Merge remote-tracking branch 'qatar/master'
authorMichael Niedermayer <michaelni@gmx.at>
Tue, 26 Jun 2012 23:58:09 +0000 (01:58 +0200)
committerMichael Niedermayer <michaelni@gmx.at>
Tue, 26 Jun 2012 23:58:09 +0000 (01:58 +0200)
* qatar/master:
  avconv: add an assert to silence an uninitialized variable warning.
  avconv: shut up an uninitialized variable warning.
  avfiltergraph: shut up uninitialized variable warning.
  af_join: initialize a variable to shut up gcc warning.
  amix: fix format specifier for AVFilterLink.sample_rate.
  lavfi: make filters less verbose.
  mpc8: read APE tags.
  lavr: x86: fix ff_conv_fltp_to_flt_6ch function prototypes
  libm: provide fallback definition for cbrtf() using powf()
  network: Don't redefine error codes if they already exist in errno.h
  configure: Check for sys/time.h
  network: Include unistd.h from network.h
  avconv: don't include vsrc_buffer.h, which doesn't exist anymore
  lavfi: reorder AVFilterLink fields.
  lavfi: reorder AVFilterContext fields.
  lavfi: reorder AVFilter fields.
  lavfi: reorder AVFilterBufferRef fields.
  lavfi: reorder AVFilterBuffer fields.

Conflicts:
configure
libavcodec/v210dec.h
libavfilter/asrc_anullsrc.c
libavfilter/avfilter.h
libavfilter/buffersrc.c
libavfilter/src_movie.c
libavfilter/vf_aspect.c
libavfilter/vf_crop.c
libavfilter/vf_drawbox.c
libavfilter/vf_fade.c
libavfilter/vf_overlay.c
libavfilter/vf_pad.c
libavfilter/vf_scale.c
libavfilter/vsrc_color.c
libavformat/network.h
libavutil/libm.h

Merged-by: Michael Niedermayer <michaelni@gmx.at>
36 files changed:
1  2 
configure
ffmpeg.c
libavfilter/af_amix.c
libavfilter/asrc_anullsrc.c
libavfilter/avfilter.c
libavfilter/avfilter.h
libavfilter/avfiltergraph.c
libavfilter/fifo.c
libavfilter/src_movie.c
libavfilter/vf_aspect.c
libavfilter/vf_blackframe.c
libavfilter/vf_crop.c
libavfilter/vf_cropdetect.c
libavfilter/vf_drawbox.c
libavfilter/vf_fade.c
libavfilter/vf_fieldorder.c
libavfilter/vf_frei0r.c
libavfilter/vf_gradfun.c
libavfilter/vf_hqdn3d.c
libavfilter/vf_libopencv.c
libavfilter/vf_overlay.c
libavfilter/vf_pad.c
libavfilter/vf_setpts.c
libavfilter/vf_settb.c
libavfilter/vf_transpose.c
libavfilter/vf_unsharp.c
libavfilter/vf_yadif.c
libavfilter/vsrc_color.c
libavformat/Makefile
libavformat/mpc8.c
libavformat/network.c
libavformat/network.h
libavformat/os_support.c
libavformat/tcp.c
libavformat/udp.c
libavutil/libm.h

diff --combined configure
+++ b/configure
@@@ -1,6 -1,6 +1,6 @@@
  #!/bin/sh
  #
 -# Libav configure script
 +# FFmpeg configure script
  #
  # Copyright (c) 2000-2002 Fabrice Bellard
  # Copyright (c) 2005-2008 Diego Biurrun
@@@ -44,9 -44,9 +44,9 @@@ if test "$E1" != 0 || test "$E2" = 0; t
      echo "No compatible shell script interpreter found."
      echo "This configure script requires a POSIX-compatible shell"
      echo "such as bash or ksh."
 -    echo "THIS IS NOT A BUG IN LIBAV, DO NOT REPORT IT AS SUCH."
 +    echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
      echo "Instead, install a working POSIX-compatible shell."
 -    echo "Disabling this configure test will create a broken Libav."
 +    echo "Disabling this configure test will create a broken FFmpeg."
      if test "$BASH_VERSION" = '2.04.0(1)-release'; then
          echo "This bash version ($BASH_VERSION) is broken on your platform."
          echo "Upgrade to a later version if available."
@@@ -78,7 -78,7 +78,7 @@@ Standard options
    --disable-logging        do not log configure debug information
    --prefix=PREFIX          install in PREFIX [$prefix]
    --bindir=DIR             install binaries in DIR [PREFIX/bin]
 -  --datadir=DIR            install data files in DIR [PREFIX/share/avconv]
 +  --datadir=DIR            install data files in DIR [PREFIX/share/ffmpeg]
    --libdir=DIR             install libs in DIR [PREFIX/lib]
    --shlibdir=DIR           install shared libs in DIR [PREFIX/lib]
    --incdir=DIR             install includes in DIR [PREFIX/include]
@@@ -101,21 -101,18 +101,21 @@@ Configuration options
  
  Component options:
    --disable-doc            do not build documentation
 -  --disable-avconv         disable avconv build
 -  --disable-avplay         disable avplay build
 -  --disable-avprobe        disable avprobe build
 -  --disable-avserver       disable avserver build
 +  --disable-ffmpeg         disable ffmpeg build
 +  --disable-ffplay         disable ffplay build
 +  --disable-ffprobe        disable ffprobe build
 +  --disable-ffserver       disable ffserver build
    --disable-avdevice       disable libavdevice build
    --disable-avcodec        disable libavcodec build
    --disable-avformat       disable libavformat build
 +  --disable-swresample     disable libswresample build
    --disable-swscale        disable libswscale build
 +  --disable-postproc       disable libpostproc build
    --disable-avfilter       disable video filter support [no]
 -  --disable-avresample     disable libavresample build [no]
 +  --enable-avresample      enable libavresample build [no]
    --disable-pthreads       disable pthreads [auto]
    --disable-w32threads     disable Win32 threads [auto]
 +  --disable-os2threads     disable OS/2 threads [auto]
    --enable-x11grab         enable X11 grabbing [no]
    --disable-network        disable network support [no]
    --disable-dct            disable DCT code
    --disable-rdft           disable RDFT code
    --disable-fft            disable FFT code
    --enable-dxva2           enable DXVA2 code
 -  --enable-vaapi           enable VAAPI code
 -  --enable-vda             enable VDA code
 -  --enable-vdpau           enable VDPAU code
 +  --enable-vaapi           enable VAAPI code [autodetect]
 +  --enable-vda             enable VDA code   [autodetect]
 +  --enable-vdpau           enable VDPAU code [autodetect]
  
  Individual component options:
    --disable-everything     disable all components listed below
  External library support:
    --enable-avisynth        enable reading of AVISynth script files [no]
    --enable-bzlib           enable bzlib [autodetect]
 +  --enable-fontconfig      enable fontconfig
    --enable-frei0r          enable frei0r video filtering
    --enable-gnutls          enable gnutls [no]
 +  --enable-libaacplus      enable AAC+ encoding via libaacplus [no]
 +  --enable-libass          enable libass subtitles rendering [no]
 +  --enable-libbluray       enable BluRay reading using libbluray [no]
 +  --enable-libcelt         enable CELT decoding via libcelt [no]
    --enable-libcdio         enable audio CD grabbing with libcdio
    --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394
                             and libraw1394 [no]
    --enable-libfreetype     enable libfreetype [no]
    --enable-libgsm          enable GSM support via libgsm [no]
    --enable-libilbc         enable iLBC de/encoding via libilbc [no]
 +  --enable-libmodplug      enable ModPlug via libmodplug [no]
    --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]
 +  --enable-libnut          enable NUT (de)muxing via libnut,
 +                           native (de)muxer exists [no]
    --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
    --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
    --enable-libopencv       enable video filtering via libopencv [no]
 -  --enable-libopenjpeg     enable JPEG 2000 decoding via OpenJPEG [no]
 +  --enable-libopenjpeg     enable JPEG 2000 encoding/decoding via OpenJPEG [no]
    --enable-libpulse        enable Pulseaudio input via libpulse [no]
    --enable-librtmp         enable RTMP[E] support via librtmp [no]
    --enable-libschroedinger enable Dirac support via libschroedinger [no]
    --enable-libspeex        enable Speex support via libspeex [no]
 +  --enable-libstagefright-h264  enable H.264 decoding via libstagefright [no]
    --enable-libtheora       enable Theora encoding via libtheora [no]
 +  --enable-libutvideo      enable Ut Video encoding and decoding via libutvideo [no]
 +  --enable-libv4l2         enable libv4l2/v4l-utils [no]
    --enable-libvo-aacenc    enable AAC encoding via libvo-aacenc [no]
    --enable-libvo-amrwbenc  enable AMR-WB encoding via libvo-amrwbenc [no]
 -  --enable-libvorbis       enable Vorbis encoding via libvorbis,
 +  --enable-libvorbis       enable Vorbis en/decoding via libvorbis,
                             native implementation exists [no]
    --enable-libvpx          enable VP8 support via libvpx [no]
    --enable-libx264         enable H.264 encoding via x264 [no]
    --enable-libxavs         enable AVS encoding via xavs [no]
    --enable-libxvid         enable Xvid encoding via xvidcore,
                             native MPEG-4/Xvid encoder exists [no]
 +  --enable-openal          enable OpenAL 1.1 capture support [no]
    --enable-openssl         enable openssl [no]
    --enable-zlib            enable zlib [autodetect]
  
@@@ -218,26 -203,22 +218,26 @@@ Advanced options (experts only)
    --target-os=OS           compiler targets OS [$target_os]
    --target-exec=CMD        command to run executables on target
    --target-path=DIR        path to view of build directory on target
 -  --nm=NM                  use nm tool
 +  --nm=NM                  use nm tool NM [$nm_default]
    --ar=AR                  use archive tool AR [$ar_default]
    --as=AS                  use assembler AS [$as_default]
 +  --yasmexe=EXE            use yasm-compatible assembler EXE [$yasmexe_default]
    --cc=CC                  use C compiler CC [$cc_default]
 -  --ld=LD                  use linker LD
 +  --cxx=CXX                use C compiler CXX [$cxx_default]
 +  --ld=LD                  use linker LD [$ld_default]
    --host-cc=HOSTCC         use host C compiler HOSTCC
    --host-cflags=HCFLAGS    use HCFLAGS when compiling for host
    --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host
    --host-libs=HLIBS        use libs HLIBS when linking for host
    --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]
 +  --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
    --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
    --extra-libs=ELIBS       add ELIBS [$ELIBS]
    --extra-version=STRING   version string suffix []
    --optflags               override optimization-related compiler flags
    --build-suffix=SUFFIX    library name suffix []
    --malloc-prefix=PREFIX   prefix malloc and related names with PREFIX
 +  --progs-suffix=SUFFIX    program name suffix []
    --arch=ARCH              select architecture [$arch]
    --cpu=CPU                select the minimum required CPU (affects
                             instruction selection, may crash on older CPUs)
@@@ -269,37 -250,16 +269,37 @@@ Optimization options (experts only)
    --disable-neon           disable NEON optimizations
    --disable-vis            disable VIS optimizations
    --disable-yasm           disable use of yasm assembler
 -
 -Developer options (useful when working on Libav itself):
 +  --disable-mips32r2       disable MIPS32R2 optimizations
 +  --disable-mipsdspr1      disable MIPS DSP ASE R1 optimizations
 +  --disable-mipsdspr2      disable MIPS DSP ASE R2 optimizations
 +  --disable-mipsfpu        disable floating point MIPS optimizations
 +  --postproc-version=V     build libpostproc version V.
 +                           Where V can be '$ALT_PP_VER_MAJOR.$ALT_PP_VER_MINOR.$ALT_PP_VER_MICRO' or 'current'. [$postproc_version_default]
 +
 +Developer options (useful when working on FFmpeg itself):
 +  --enable-coverage        build with test coverage instrumentation
    --disable-debug          disable debugging symbols
    --enable-debug=LEVEL     set the debug level [$debuglevel]
    --disable-optimizations  disable compiler optimizations
    --enable-extra-warnings  enable more compiler warnings
 +  --disable-stripping      disable stripping of executables and shared libraries
 +  --assert-level=level     0(default), 1 or 2, amount of assertion testing,
 +                           2 causes a slowdown at runtime.
 +  --valgrind=VALGRIND      run "make fate" tests through valgrind to detect memory
 +                           leaks and errors, using the specified valgrind binary.
 +                           Cannot be combined with --target-exec
    --samples=PATH           location of test samples for FATE, if not set use
 -                           \$LIBAV_SAMPLES at make invocation time.
 +                           \$FATE_SAMPLES at make invocation time.
    --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
                             should be used only for debugging purposes)
 +  --enable-random          randomly enable/disable components
 +  --disable-random
 +  --enable-random=LIST     randomly enable/disable specific components or
 +  --disable-random=LIST    component groups. LIST is a comma-separated list
 +                           of NAME[:PROB] entries where NAME is a component
 +                           (group) and PROB the probability associated with
 +                           NAME (default 0.5).
 +  --random-seed=VALUE      seed value for --enable/disable-random
  
  NOTE: Object files are built at the place where configure is launched.
  EOF
@@@ -334,7 -294,7 +334,7 @@@ die()
  
  If you think configure made a mistake, make sure you are using the latest
  version from Git.  If the latest version fails, report the problem to the
 -libav-user@libav.org mailing list or IRC #libav on irc.freenode.net.
 +ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
  EOF
      if disabled logging; then
          cat <<EOF
@@@ -632,10 -592,6 +632,10 @@@ add_cflags()
      append CFLAGS $($filter_cflags "$@")
  }
  
 +add_cxxflags(){
 +    append CXXFLAGS $($filter_cflags "$@")
 +}
 +
  add_asflags(){
      append ASFLAGS $($filter_asflags "$@")
  }
@@@ -660,13 -616,6 +660,13 @@@ check_cc()
      check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
  }
  
 +check_cxx(){
 +    log check_cxx "$@"
 +    cat > $TMPCPP
 +    log_file $TMPCPP
 +    check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" -c -o $TMPO $TMPCPP
 +}
 +
  check_cpp(){
      log check_cpp "$@"
      cat > $TMPC
@@@ -702,14 -651,12 +702,14 @@@ check_yasm()
  
  check_ld(){
      log check_ld "$@"
 +    type=$1
 +    shift 1
      flags=''
      libs=''
      for f; do
          test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
      done
 -    check_cc $($filter_cflags $flags) || return
 +    check_$type $($filter_cflags $flags) || return
      check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $libs $extralibs
  }
  
@@@ -729,17 -676,9 +729,17 @@@ int x
  EOF
  }
  
 +check_cxxflags(){
 +    log check_cxxflags "$@"
 +    set -- $($filter_cflags "$@")
 +    check_cxx "$@" <<EOF && append CXXFLAGS "$@"
 +int x;
 +EOF
 +}
 +
  test_ldflags(){
      log test_ldflags "$@"
 -    check_ld "$@" <<EOF
 +    check_ld "cc" "$@" <<EOF
  int main(void){ return 0; }
  EOF
  }
@@@ -765,7 -704,7 +765,7 @@@ check_func()
      func=$1
      shift
      disable $func
 -    check_ld "$@" <<EOF && enable $func
 +    check_ld "cc" "$@" <<EOF && enable $func
  extern int $func();
  int main(void){ $func(); }
  EOF
@@@ -776,10 -715,10 +776,10 @@@ check_mathfunc()
      func=$1
      shift
      disable $func
 -    check_ld "$@" <<EOF && enable $func
 +    check_ld "cc" "$@" <<EOF && enable $func
  #include <math.h>
  float foo(float f) { return $func(f); }
 -int main(void){ return 0; }
 +int main(void){ return (int) foo; }
  EOF
  }
  
@@@ -796,26 -735,7 +796,26 @@@ check_func_headers()
              echo "long check_$func(void) { return (long) $func; }"
          done
          echo "int main(void) { return 0; }"
 -    } | check_ld "$@" && enable $funcs && enable_safe $headers
 +    } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
 +}
 +
 +check_class_headers_cpp(){
 +    log check_class_headers_cpp "$@"
 +    headers=$1
 +    classes=$2
 +    shift 2
 +    {
 +        for hdr in $headers; do
 +            echo "#include <$hdr>"
 +        done
 +        echo "int main(void) { "
 +        i=1
 +        for class in $classes; do
 +            echo "$class obj$i;"
 +            i=$(expr $i + 1)
 +        done
 +        echo "return 0; }"
 +    } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
  }
  
  check_cpp_condition(){
@@@ -847,21 -767,13 +847,21 @@@ check_lib2()
      check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
  }
  
 +check_lib_cpp(){
 +    log check_lib_cpp "$@"
 +    headers="$1"
 +    classes="$2"
 +    shift 2
 +    check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
 +}
 +
  check_pkg_config(){
      log check_pkg_config "$@"
      pkg="$1"
      headers="$2"
      funcs="$3"
      shift 3
 -    $pkg_config --exists $pkg || return
 +    $pkg_config --exists $pkg 2>/dev/null || return
      pkg_cflags=$($pkg_config --cflags $pkg)
      pkg_libs=$($pkg_config --libs $pkg)
      check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
  }
  
  check_exec(){
 -    check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
 +    check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
  }
  
  check_exec_crash(){
  static void sighandler(int sig){
      raise(SIGTERM);
  }
 +int func(void){
 +    $code
 +}
 +int (*func_ptr)(void) = func;
  int main(void){
      signal(SIGILL, sighandler);
      signal(SIGFPE, sighandler);
  #ifdef SIGBUS
      signal(SIGBUS, sighandler);
  #endif
 -    { $code }
 +    return func_ptr();
  }
  EOF
  }
@@@ -954,14 -862,6 +954,14 @@@ require2()
      check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
  }
  
 +require_cpp(){
 +    name="$1"
 +    headers="$2"
 +    classes="$3"
 +    shift 3
 +    check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
 +}
 +
  require_pkg_config(){
      pkg="$1"
      check_pkg_config "$@" || die "ERROR: $pkg not found"
@@@ -1013,10 -913,10 +1013,10 @@@ COMPONENT_LIST=
  "
  
  PROGRAM_LIST="
 -    avconv
 -    avplay
 -    avprobe
 -    avserver
 +    ffplay
 +    ffprobe
 +    ffserver
 +    ffmpeg
  "
  
  CONFIG_LIST="
      avresample
      avisynth
      bzlib
 +    crystalhd
      dct
      doc
      dwt
      dxva2
      fastdiv
      fft
 +    fontconfig
      frei0r
      gnutls
      gpl
      gray
      hardcoded_tables
 +    libaacplus
 +    libass
 +    libbluray
      libcdio
 +    libcelt
      libdc1394
      libfaac
      libfreetype
      libgsm
      libilbc
 +    libmodplug
      libmp3lame
 +    libnut
      libopencore_amrnb
      libopencore_amrwb
      libopencv
      librtmp
      libschroedinger
      libspeex
 +    libstagefright_h264
      libtheora
 +    libutvideo
 +    libv4l2
      libvo_aacenc
      libvo_amrwbenc
      libvorbis
      mpegaudiodsp
      network
      nonfree
 +    openal
      openssl
      pic
 +    postproc
      rdft
      rtpdec
      runtime_cpudetect
      small
      sram
      static
 +    swresample
      swscale
      swscale_alpha
      thumb
  THREADS_LIST='
      pthreads
      w32threads
 +    os2threads
  '
  
  ARCH_LIST='
@@@ -1155,10 -1040,6 +1155,10 @@@ ARCH_EXT_LIST=
      ssse3
      vfpv3
      vis
 +    mipsfpu
 +    mips32r2
 +    mipsdspr1
 +    mipsdspr2
  '
  
  HAVE_LIST_PUB='
@@@ -1176,11 -1057,9 +1176,11 @@@ HAVE_LIST=
      altivec_h
      arpa_inet_h
      asm_mod_y
 +    asm_types_h
      attribute_may_alias
      attribute_packed
      cbrtf
 +    clock_gettime
      closesocket
      cmov
      dcbzl
      GetSystemTimeAsFileTime
      getrusage
      gettimeofday
 +    glob
      gnu_as
      ibm_asm
      inet_aton
      inline_asm
      isatty
      jack_port_get_latency_range
 +    kbhit
      ldbrx
      libdc1394_1
      libdc1394_2
      loongson
      lrint
      lrintf
 +    lzo1x_999_compress
      machine_ioctl_bt848_h
      machine_ioctl_meteor_h
 +    makeinfo
      malloc_h
      MapViewOfFile
      memalign
      mmap
      nanosleep
      netinet_sctp_h
 +    PeekNamedPipe
      poll_h
      posix_memalign
 +    pthread_cancel
      round
      roundf
      sched_getaffinity
      soundcard_h
      strerror_r
      strptime
 -    strtok_r
      struct_addrinfo
      struct_ipv6_mreq
      struct_rusage_ru_maxrss
      sys_resource_h
      sys_select_h
      sys_soundcard_h
+     sys_time_h
      sys_videoio_h
 +    termios_h
      threads
      trunc
      truncf
@@@ -1311,13 -1185,11 +1312,13 @@@ CMDLINE_SELECT=
      $CONFIG_LIST
      $THREADS_LIST
      asm
 +    coverage
      cross_compile
      debug
      extra_warnings
      logging
      optimizations
 +    stripping
      symver
      yasm
  "
@@@ -1337,12 -1209,10 +1338,12 @@@ CMDLINE_SET=
      ar
      arch
      as
 +    assert_level
      build_suffix
      cc
      cpu
      cross_prefix
 +    cxx
      dep_cc
      extra_version
      host_cc
      host_ldflags
      host_libs
      host_os
 +    install
      ld
      logfile
      malloc_prefix
      nm
      optflags
      pkg_config
 +    postproc_version
 +    progs_suffix
 +    random_seed
      samples
 +    strip
      sysinclude
      sysroot
      target_exec
      target_os
      target_path
 +    valgrind
 +    yasmexe
  "
  
  CMDLINE_APPEND="
      extra_cflags
 +    extra_cxxflags
  "
  
  # code dependency declarations
@@@ -1387,10 -1249,6 +1388,10 @@@ armvfp_deps="arm
  neon_deps="arm"
  vfpv3_deps="armvfp"
  
 +mipsfpu_deps="mips"
 +mips32r2_deps="mips"
 +mipsdspr1_deps="mips"
 +mipsdspr2_deps="mips"
  mmi_deps="mips"
  
  altivec_deps="ppc"
@@@ -1433,7 -1291,6 +1434,7 @@@ ac3_fixed_encoder_select="mdct ac3dsp
  alac_encoder_select="lpc"
  amrnb_decoder_select="lsp"
  amrwb_decoder_select="lsp"
 +amv_encoder_select="aandct"
  atrac1_decoder_select="mdct sinewin"
  atrac3_decoder_select="mdct"
  binkaudio_dct_decoder_select="mdct rdft dct sinewin"
@@@ -1442,7 -1299,6 +1443,7 @@@ cavs_decoder_select="golomb
  cook_decoder_select="mdct sinewin"
  cscd_decoder_suggest="zlib"
  dca_decoder_select="mdct"
 +dirac_decoder_select="dwt golomb"
  dnxhd_encoder_select="aandct"
  dxa_decoder_select="zlib"
  eac3_decoder_select="ac3_decoder"
@@@ -1455,7 -1311,6 +1456,7 @@@ flac_decoder_select="golomb
  flac_encoder_select="golomb lpc"
  flashsv_decoder_select="zlib"
  flashsv_encoder_select="zlib"
 +flashsv2_encoder_select="zlib"
  flashsv2_decoder_select="zlib"
  flv_decoder_select="h263_decoder"
  flv_encoder_select="h263_encoder"
@@@ -1466,12 -1321,10 +1467,12 @@@ h263_encoder_select="aandct
  h263_vaapi_hwaccel_select="vaapi h263_decoder"
  h263i_decoder_select="h263_decoder"
  h263p_encoder_select="h263_encoder"
 +h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
  h264_decoder_select="golomb h264chroma h264dsp h264pred h264qpel"
  h264_dxva2_hwaccel_deps="dxva2api_h"
  h264_dxva2_hwaccel_select="dxva2 h264_decoder"
  h264_vaapi_hwaccel_select="vaapi h264_decoder"
 +h264_vda_hwaccel_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
  h264_vda_hwaccel_select="vda h264_decoder"
  h264_vdpau_decoder_select="vdpau h264_decoder"
  iac_decoder_select="fft mdct sinewin"
@@@ -1498,20 -1351,15 +1499,20 @@@ mpeg_vdpau_decoder_select="vdpau mpegvi
  mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
  mpeg_xvmc_decoder_select="mpegvideo_decoder"
  mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
 +mpeg1_vdpau_hwaccel_select="vdpau mpeg1video_decoder"
  mpeg1video_encoder_select="aandct"
 +mpeg2_crystalhd_decoder_select="crystalhd"
  mpeg2_dxva2_hwaccel_deps="dxva2api_h"
  mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
 +mpeg2_vdpau_hwaccel_select="vdpau mpeg2video_decoder"
  mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
  mpeg2video_encoder_select="aandct"
 +mpeg4_crystalhd_decoder_select="crystalhd"
  mpeg4_decoder_select="h263_decoder mpeg4video_parser"
  mpeg4_encoder_select="h263_encoder"
  mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
  mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
 +msmpeg4_crystalhd_decoder_select="crystalhd"
  msmpeg4v1_decoder_select="h263_decoder"
  msmpeg4v1_encoder_select="h263_encoder"
  msmpeg4v2_decoder_select="h263_decoder"
@@@ -1536,18 -1384,15 +1537,18 @@@ shorten_decoder_select="golomb
  sipr_decoder_select="lsp"
  snow_decoder_select="dwt"
  snow_encoder_select="aandct dwt"
 +sonic_decoder_select="golomb"
 +sonic_encoder_select="golomb"
 +sonic_ls_encoder_select="golomb"
  svq1_encoder_select="aandct"
  svq3_decoder_select="golomb h264chroma h264dsp h264pred h264qpel"
  svq3_decoder_suggest="zlib"
  theora_decoder_select="vp3_decoder"
  tiff_decoder_suggest="zlib"
  tiff_encoder_suggest="zlib"
 -truehd_decoder_select="mlp_decoder"
  tscc_decoder_select="zlib"
  twinvq_decoder_select="mdct lsp sinewin"
 +vc1_crystalhd_decoder_select="crystalhd"
  vc1_decoder_select="h263_decoder h264chroma h264qpel"
  vc1_dxva2_hwaccel_deps="dxva2api_h"
  vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
@@@ -1571,7 -1416,6 +1572,7 @@@ wmv1_encoder_select="h263_encoder
  wmv2_decoder_select="h263_decoder"
  wmv2_encoder_select="h263_encoder"
  wmv3_decoder_select="vc1_decoder"
 +wmv3_crystalhd_decoder_select="crystalhd"
  wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
  wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
  wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
@@@ -1582,7 -1426,6 +1583,7 @@@ zlib_encoder_select="zlib
  zmbv_decoder_select="zlib"
  zmbv_encoder_select="zlib"
  
 +crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
  vaapi_deps="va_va_h"
  vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
  vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
  h264_parser_select="golomb h264dsp h264pred"
  
  # external libraries
 +libaacplus_encoder_deps="libaacplus"
 +libcelt_decoder_deps="libcelt"
  libfaac_encoder_deps="libfaac"
  libgsm_decoder_deps="libgsm"
  libgsm_encoder_deps="libgsm"
@@@ -1600,31 -1441,24 +1601,31 @@@ libgsm_ms_decoder_deps="libgsm
  libgsm_ms_encoder_deps="libgsm"
  libilbc_decoder_deps="libilbc"
  libilbc_encoder_deps="libilbc"
 +libmodplug_demuxer_deps="libmodplug"
  libmp3lame_encoder_deps="libmp3lame"
  libopencore_amrnb_decoder_deps="libopencore_amrnb"
  libopencore_amrnb_encoder_deps="libopencore_amrnb"
  libopencore_amrwb_decoder_deps="libopencore_amrwb"
  libopenjpeg_decoder_deps="libopenjpeg"
 +libopenjpeg_encoder_deps="libopenjpeg"
  libschroedinger_decoder_deps="libschroedinger"
  libschroedinger_encoder_deps="libschroedinger"
  libspeex_decoder_deps="libspeex"
  libspeex_encoder_deps="libspeex"
 +libstagefright_h264_decoder_deps="libstagefright_h264"
  libtheora_encoder_deps="libtheora"
  libvo_aacenc_encoder_deps="libvo_aacenc"
  libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
 +libvorbis_decoder_deps="libvorbis"
  libvorbis_encoder_deps="libvorbis"
  libvpx_decoder_deps="libvpx"
  libvpx_encoder_deps="libvpx"
  libx264_encoder_deps="libx264"
 +libx264rgb_encoder_deps="libx264"
  libxavs_encoder_deps="libxavs"
  libxvid_encoder_deps="libxvid"
 +libutvideo_decoder_deps="libutvideo"
 +libutvideo_encoder_deps="libutvideo"
  
  # demuxers / muxers
  ac3_demuxer_select="ac3_parser"
@@@ -1634,8 -1468,6 +1635,8 @@@ dirac_demuxer_select="dirac_parser
  eac3_demuxer_select="ac3_parser"
  flac_demuxer_select="flac_parser"
  ipod_muxer_select="mov_muxer"
 +libnut_demuxer_deps="libnut"
 +libnut_muxer_deps="libnut"
  matroska_audio_muxer_select="matroska_muxer"
  matroska_demuxer_suggest="zlib bzlib"
  mov_demuxer_suggest="zlib"
@@@ -1662,30 -1494,22 +1663,30 @@@ w64_demuxer_deps="wav_demuxer
  alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
  alsa_outdev_deps="alsa_asoundlib_h"
  bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
 +dshow_indev_deps="IBaseFilter"
 +dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"
  dv1394_indev_deps="dv1394 dv_demuxer"
  fbdev_indev_deps="linux_fb_h"
 -jack_indev_deps="jack_jack_h"
 +jack_indev_deps="jack_jack_h sem_timedwait"
 +lavfi_indev_deps="avfilter"
  libcdio_indev_deps="libcdio"
  libdc1394_indev_deps="libdc1394"
 +libv4l2_indev_deps="libv4l2"
 +openal_indev_deps="openal"
  oss_indev_deps_any="soundcard_h sys_soundcard_h"
  oss_outdev_deps_any="soundcard_h sys_soundcard_h"
  pulse_indev_deps="libpulse"
 +sdl_outdev_deps="sdl"
  sndio_indev_deps="sndio_h"
  sndio_outdev_deps="sndio_h"
 +v4l_indev_deps="linux_videodev_h"
  v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
  vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
  vfwcap_indev_extralibs="-lavicap32"
  x11_grab_device_indev_deps="x11grab XShmCreateImage"
  
  # protocols
 +bluray_protocol_deps="libbluray"
  gopher_protocol_deps="network"
  httpproxy_protocol_deps="network"
  httpproxy_protocol_select="tcp_protocol"
@@@ -1713,52 -1537,34 +1714,52 @@@ tls_protocol_select="tcp_protocol
  udp_protocol_deps="network"
  
  # filters
 +aconvert_filter_deps="swresample"
 +amovie_filter_deps="avcodec avformat"
 +aresample_filter_deps="swresample"
 +ass_filter_deps="libass"
 +asyncts_filter_deps="avresample"
 +atempo_filter_deps="avcodec rdft"
  blackframe_filter_deps="gpl"
  boxblur_filter_deps="gpl"
 +colormatrix_filter_deps="gpl"
  cropdetect_filter_deps="gpl"
  delogo_filter_deps="gpl"
 +deshake_filter_deps="avcodec"
  drawtext_filter_deps="libfreetype"
 -frei0r_filter_deps="frei0r dlopen strtok_r"
 +frei0r_filter_deps="frei0r dlopen"
  frei0r_filter_extralibs='$ldl'
 -frei0r_src_filter_deps="frei0r dlopen strtok_r"
 +frei0r_src_filter_deps="frei0r dlopen"
  frei0r_src_filter_extralibs='$ldl'
  hqdn3d_filter_deps="gpl"
 +movie_filter_deps="avcodec avformat"
 +mp_filter_deps="gpl avcodec swscale postproc"
 +mptestsrc_filter_deps="gpl"
 +negate_filter_deps="lut_filter"
  resample_filter_deps="avresample"
  ocv_filter_deps="libopencv"
 +pan_filter_deps="swresample"
 +removelogo_filter_deps="avcodec avformat swscale"
  scale_filter_deps="swscale"
 +select_filter_deps="avcodec"
 +super2xsai_filter_deps="gpl"
 +tinterlace_filter_deps="gpl"
  yadif_filter_deps="gpl"
  
  # libraries
  avdevice_deps="avcodec avformat"
  avformat_deps="avcodec"
 +postproc_deps="gpl"
  
  # programs
 -avconv_deps="avcodec avfilter avformat avresample swscale
 -             aformat_filter asyncts_filter
 -             format_filter fps_filter scale_filter setpts_filter"
 -avplay_deps="avcodec avformat swscale sdl"
 -avplay_select="rdft"
 -avprobe_deps="avcodec avformat"
 -avserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer !shared"
 -avserver_extralibs='$ldl'
 +ffmpeg_deps="avcodec avfilter avformat swscale swresample"
 +ffmpeg_select="buffersink_filter format_filter aformat_filter
 +               setpts_filter null_filter anull_filter"
 +ffplay_deps="avcodec avformat swscale swresample sdl"
 +ffplay_select="buffersink_filter rdft"
 +ffprobe_deps="avcodec avformat"
 +ffserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer"
 +ffserver_extralibs='$ldl'
  
  doc_deps="texi2html"
  
@@@ -1792,11 -1598,11 +1793,11 @@@ test_deps _muxer _demuxe
      gxf                                                                 \
      matroska=mkv                                                        \
      mmf                                                                 \
 -    mov                                                                 \
 +    mov="mov ismv"                                                      \
      pcm_mulaw=mulaw                                                     \
      mxf="mxf mxf_d10"                                                   \
      nut                                                                 \
 -    ogg                                                                 \
 +    ogg="ogg ogg_vp3"                                                   \
      rawvideo=pixfmt                                                     \
      rm                                                                  \
      swf                                                                 \
      wav                                                                 \
      yuv4mpegpipe=yuv4mpeg                                               \
  
 +colormatrix1_test_deps="colormatrix_filter"
 +colormatrix2_test_deps="colormatrix_filter"
 +flashsv2_test_deps="zlib"
  mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
 +mpng_test_deps="zlib"
 +pp_test_deps="mp_filter"
 +pp2_test_deps="mp_filter"
 +pp3_test_deps="mp_filter"
 +pp4_test_deps="mp_filter"
 +pp5_test_deps="mp_filter"
 +pp6_test_deps="mp_filter"
 +zlib_test_deps="zlib"
 +zmbv_test_deps="zlib"
  
  # default parameters
  
@@@ -1826,27 -1620,23 +1827,27 @@@ logfile="config.log
  # installation paths
  prefix_default="/usr/local"
  bindir_default='${prefix}/bin'
 -datadir_default='${prefix}/share/avconv'
 +datadir_default='${prefix}/share/ffmpeg'
  incdir_default='${prefix}/include'
  libdir_default='${prefix}/lib'
  mandir_default='${prefix}/share/man'
  shlibdir_default="$libdir_default"
 +postproc_version_default="current"
  
  # toolchain
  ar_default="ar"
  cc_default="gcc"
 +cxx_default="g++"
  cc_version=\"unknown\"
  host_cc_default="gcc"
 +install="install"
  ln_s="ln -sf"
  nm_default="nm"
  objformat="elf"
  pkg_config_default=pkg-config
  ranlib="ranlib"
 -yasmexe="yasm"
 +strip_default="strip"
 +yasmexe_default="yasm"
  
  nm_opts='-g'
  nogas=":"
@@@ -1859,12 -1649,6 +1860,12 @@@ cpu="generic
  target_os_default=$(tolower $(uname -s))
  host_os=$target_os_default
  
 +# alternative libpostproc version
 +ALT_PP_VER_MAJOR=51
 +ALT_PP_VER_MINOR=2
 +ALT_PP_VER_MICRO=101
 +ALT_PP_VER=$ALT_PP_VER_MAJOR.$ALT_PP_VER_MINOR.$ALT_PP_VER_MICRO
 +
  # configurable options
  enable $PROGRAM_LIST
  
@@@ -1872,10 -1656,8 +1873,10 @@@ enable avcode
  enable avdevice
  enable avfilter
  enable avformat
 -enable avresample
  enable avutil
 +enable postproc
 +enable stripping
 +enable swresample
  enable swscale
  
  enable asm
@@@ -1890,7 -1672,7 +1891,7 @@@ enable swscale_alph
  
  # build settings
  SHFLAGS='-shared -Wl,-soname,$$(@F)'
 -AVSERVERLDFLAGS=-Wl,-E
 +FFSERVERLDFLAGS=-Wl,-E
  LIBPREF="lib"
  LIBSUF=".a"
  FULLNAME='$(NAME)$(BUILDSUF)'
@@@ -1906,7 -1688,6 +1907,7 @@@ SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJ
  
  AS_O='-o $@'
  CC_O='-o $@'
 +CXX_O='-o $@'
  
  host_cflags='-D_ISOC99_SOURCE -D_XOPEN_SOURCE=600 -O3 -g'
  host_libs='-lm'
@@@ -1933,7 -1714,7 +1934,7 @@@ for v in "$@"; d
      r=${v#*=}
      l=${v%"$r"}
      r=$(sh_quote "$r")
 -    LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
 +    FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
  done
  
  find_things(){
@@@ -1973,12 -1754,11 +1974,12 @@@ find_tests()
      map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
  }
  
 +LAVF_FATE_TESTS=$(find_tests lavf-fate)
  LAVF_TESTS=$(find_tests lavf)
  LAVFI_TESTS=$(find_tests lavfi)
  SEEK_TESTS=$(find_tests seek seek_)
  
 -ALL_TESTS="$LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS"
 +ALL_TESTS="$LAVF_FATE_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS"
  
  for n in $COMPONENT_LIST; do
      v=$(toupper ${n%s})_LIST
@@@ -2001,27 -1781,6 +2002,27 @@@ show_list() 
      exit 0
  }
  
 +rand_list(){
 +    IFS=', '
 +    set -- $*
 +    unset IFS
 +    for thing; do
 +        comp=${thing%:*}
 +        prob=${thing#$comp}
 +        prob=${prob#:}
 +        is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
 +        echo "prob ${prob:-0.5}"
 +        printf '%s\n' $comp
 +    done
 +}
 +
 +do_random(){
 +    action=$1
 +    shift
 +    random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
 +    $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
 +}
 +
  for opt do
      optval="${opt#*=}"
      case "$opt" in
      --disable-everything)
      map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
      ;;
 +    --enable-random|--disable-random)
 +    action=${opt%%-random}
 +    do_random ${action#--} $COMPONENT_LIST
 +    ;;
 +    --enable-random=*|--disable-random=*)
 +    action=${opt%%-random=*}
 +    do_random ${action#--} $optval
 +    ;;
      --enable-*=*|--disable-*=*)
      eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
      is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
@@@ -2087,7 -1838,7 +2088,7 @@@ don
  
  disabled logging && logfile=/dev/null
  
 -echo "# $0 $LIBAV_CONFIGURATION" > $logfile
 +echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
  set >> $logfile
  
  test -n "$cross_prefix" && enable cross_compile
@@@ -2097,29 -1848,17 +2098,29 @@@ if enabled cross_compile; the
          die "Must specify target arch and OS when cross-compiling"
  fi
  
 -set_default arch target_os
 +set_default arch target_os postproc_version
 +
 +# Check if we should build alternative libpostproc version instead of current
 +if   test "$postproc_version" = $ALT_PP_VER; then
 +  LIBPOSTPROC_VERSION=$ALT_PP_VER
 +  LIBPOSTPROC_VERSION_MAJOR=$ALT_PP_VER_MAJOR
 +  LIBPOSTPROC_VERSION_MINOR=$ALT_PP_VER_MINOR
 +  LIBPOSTPROC_VERSION_MICRO=$ALT_PP_VER_MICRO
 +elif test "$postproc_version" != current; then
 +  die "Invalid argument to --postproc-version. See --help output."
 +fi
  
  ar_default="${cross_prefix}${ar_default}"
  cc_default="${cross_prefix}${cc_default}"
 +cxx_default="${cross_prefix}${cxx_default}"
  nm_default="${cross_prefix}${nm_default}"
  pkg_config_default="${cross_prefix}${pkg_config_default}"
  ranlib="${cross_prefix}${ranlib}"
 +strip_default="${cross_prefix}${strip_default}"
  
  sysinclude_default="${sysroot}/usr/include"
  
 -set_default cc nm pkg_config sysinclude
 +set_default cc cxx nm pkg_config strip sysinclude yasmexe
  enabled cross_compile || host_cc_default=$cc
  set_default host_cc
  
@@@ -2162,7 -1901,6 +2163,7 @@@ trap 'rm -f -- $TMPFILES' EXI
  
  tmpfile TMPASM .asm
  tmpfile TMPC   .c
 +tmpfile TMPCPP .cpp
  tmpfile TMPE   $EXESUF
  tmpfile TMPH   .h
  tmpfile TMPO   .o
@@@ -2397,11 -2135,9 +2398,11 @@@ test -n "$cc_type" && enable $cc_type |
  set_default ar as dep_cc ld
  
  test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
 +test -n "$CXX_DEPFLAGS" || CXXDEP=$DEPEND_CMD
  test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
  
  add_cflags $extra_cflags
 +add_cxxflags $extra_cxxflags
  add_asflags $extra_cflags
  
  if test -n "$sysroot"; then
  
  # Deal with common $arch aliases
  case "$arch" in
 -    arm*)
 +    arm*|iPad*)
          arch="arm"
      ;;
      mips|mipsel|IP*)
          arch="parisc"
          subarch="parisc64"
      ;;
 -    "Power Macintosh"|ppc|powerpc)
 -        arch="ppc"
 -    ;;
 -    ppc64|powerpc64)
 +    "Power Macintosh"|ppc|powerpc|ppc64|powerpc64)
          arch="ppc"
 -        subarch="ppc64"
      ;;
      s390|s390x)
          arch="s390"
          arch="sparc"
          subarch="sparc64"
      ;;
 -    i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
 +    i[3-6]86|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
          arch="x86"
      ;;
  esac
@@@ -2595,28 -2335,6 +2596,28 @@@ elif enabled mips; the
  
      cpuflags="-march=$cpu"
  
 +    case $cpu in
 +        24kc)
 +            disable mipsfpu
 +            disable mipsdspr1
 +            disable mipsdspr2
 +        ;;
 +        24kf*)
 +            disable mipsdspr1
 +            disable mipsdspr2
 +        ;;
 +        24kec|34kc|1004kc)
 +            disable mipsfpu
 +            disable mipsdspr2
 +        ;;
 +        24kef*|34kf*|1004kf*)
 +            disable mipsdspr2
 +        ;;
 +        74kc)
 +            disable mipsfpu
 +        ;;
 +    esac
 +
  elif enabled avr32; then
  
      case $cpu in
@@@ -2657,7 -2375,6 +2658,7 @@@ if test "$?" != 0; the
  fi
  
  add_cppflags -D_ISOC99_SOURCE
 +add_cxxflags -D__STDC_CONSTANT_MACROS
  check_cflags -std=c99
  check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
  #include <stdlib.h>
              spic=$shared
          fi
      ;;
 +    ppc)
 +        check_cc <<EOF && subarch="ppc64"
 +        int test[(int)sizeof(char*) - 7];
 +EOF
 +    ;;
  esac
  
  enable $subarch
@@@ -2700,7 -2412,7 +2701,7 @@@ case $target_os i
          host_libs=
          ;;
      sunos)
 -        AVSERVERLDFLAGS=""
 +        FFSERVERLDFLAGS=""
          SHFLAGS='-shared -Wl,-h,$$(@F)'
          enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
          network_extralibs="-lsocket -lnsl"
          oss_indev_extralibs="-lossaudio"
          oss_outdev_extralibs="-lossaudio"
          ;;
 -    openbsd)
 +    openbsd|bitrig)
          # On OpenBSD 4.5. the compiler does not use PIC unless
 -        # explicitly using -fPIC. Libav builds fine without PIC,
 +        # explicitly using -fPIC. FFmpeg builds fine without PIC,
          # however the generated executable will not do anything
          # (simply quits with exit-code 1, no crash, no output).
          # Thus explicitly enable PIC here.
          enable pic
          disable symver
          SHFLAGS='-shared'
 +        SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBVERSION)'
          oss_indev_extralibs="-lossaudio"
          oss_outdev_extralibs="-lossaudio"
          ;;
          ;;
      bsd/os)
          add_extralibs -lpoll -lgnugetopt
 +        strip="strip -d"
          ;;
      darwin)
          gas="gas-preprocessor.pl $cc"
          enabled ppc && add_asflags -force_cpusubtype_ALL
          SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
          enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
 +        strip="${strip} -x"
          add_ldflags -Wl,-dynamic,-search_paths_first
          SLIBSUF=".dylib"
          SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
          SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
 -        AVSERVERLDFLAGS=-Wl,-bind_at_load
 +        FFSERVERLDFLAGS=-Wl,-bind_at_load
          objformat="macho"
          enabled x86_64 && objformat="macho64"
          enabled_any pic shared ||
          fi
          LIBTARGET=i386
          if enabled x86_64; then
 -            LIBTARGET="i386:x86-64"
 +            LIBTARGET=x64
          elif enabled arm; then
              LIBTARGET=arm-wince
          fi
          SLIBSUF=".dll"
          SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
          SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
 -        SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
 +        SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
          SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
          SLIB_INSTALL_LINKS=
          SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
          SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
          SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
          objformat="win32"
 -        dlltool="${cross_prefix}dlltool"
          enable dos_paths
          check_cflags -fno-common
          check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
          ranlib="echo ignoring ranlib"
          ;;
      os/2*)
 +        strip="lxlite -CS"
          ln_s="cp -f"
          objformat="aout"
          add_cppflags -D_GNU_SOURCE
          add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
          SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
 -        AVSERVERLDFLAGS=""
 +        FFSERVERLDFLAGS=""
          LIBSUF="_s.a"
          SLIBPREF=""
          SLIBSUF=".dll"
            emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
          SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
          enable dos_paths
 +        enable_weak os2threads
          ;;
      gnu/kfreebsd)
          add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
@@@ -2872,7 -2580,7 +2873,7 @@@ esc()
      echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
  }
  
 -echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $LIBAV_CONFIGURATION)" >config.fate
 +echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
  
  check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
  
@@@ -2893,20 -2601,14 +2894,20 @@@ die_license_disabled() 
      enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
  }
  
 +die_license_disabled_gpl() {
 +    enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }
 +}
 +
  die_license_disabled gpl libcdio
 +die_license_disabled gpl libutvideo
  die_license_disabled gpl libx264
  die_license_disabled gpl libxavs
  die_license_disabled gpl libxvid
  die_license_disabled gpl x11grab
  
 +die_license_disabled nonfree libaacplus
  die_license_disabled nonfree libfaac
 -die_license_disabled nonfree openssl
 +enabled gpl && die_license_disabled_gpl nonfree openssl
  
  die_license_disabled version3 libopencore_amrnb
  die_license_disabled version3 libopencore_amrwb
@@@ -2970,7 -2672,7 +2971,7 @@@ elif enabled arm; the
      elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
          case "${cross_prefix:-$cc}" in
              *hardfloat*)         enable vfp_args;   fpabi=vfp ;;
 -            *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
 +            *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
  __asm__ (".eabi_attribute 28, 1");
  int main(void) { return 0; }
  EOF
@@@ -2993,15 -2695,6 +2994,15 @@@ elif enabled mips; the
  
      check_asm loongson '"dmult.g $1, $2, $3"'
      enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
 +    enabled mips32r2  && add_cflags "-mips32r2" &&
 +     check_asm mips32r2  '"rotr $t0, $t1, 1"'
 +    enabled mipsdspr1 && add_cflags "-mdsp" && add_asflags "-mdsp" &&
 +     check_asm mipsdspr1 '"addu.qb $t0, $t1, $t2"'
 +    enabled mipsdspr2 && add_cflags "-mdspr2" && add_asflags "-mdspr2" &&
 +     check_asm mipsdspr2 '"absq_s.qb $t0, $t1"'
 +    enabled mipsfpu   && add_cflags "-mhard-float" &&
 +     check_asm mipsfpu   '"madd.d $f0, $f2, $f4, $f6"'
 +
  
  elif enabled ppc; then
  
  # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
  check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
  
 +check_func  clock_gettime || { check_func clock_gettime -lrt && add_extralibs -lrt; }
  check_func  fcntl
  check_func  fork
  check_func  getaddrinfo $network_extralibs
@@@ -3161,14 -2853,12 +3162,14 @@@ check_func_headers malloc.h _aligned_ma
  check_func  setrlimit
  check_func  strerror_r
  check_func  strptime
 -check_func  strtok_r
  check_func  sched_getaffinity
  check_func  sysconf
  check_func  sysctl
  check_func  usleep
 +check_func_headers conio.h kbhit
 +check_func_headers windows.h PeekNamedPipe
  check_func_headers io.h setmode
 +check_func_headers lzo/lzo1x.h lzo1x_999_compress
  check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
  check_func_headers windows.h GetProcessAffinityMask
  check_func_headers windows.h GetProcessTimes
@@@ -3176,43 -2866,32 +3177,44 @@@ check_func_headers windows.h GetSystemT
  check_func_headers windows.h MapViewOfFile
  check_func_headers windows.h Sleep
  check_func_headers windows.h VirtualAlloc
 +check_func_headers glob.h glob
  
  check_header dlfcn.h
 -check_header dxva2api.h
 +check_header dxva2api.h -D_WIN32_WINNT=0x0600
 +check_header libcrystalhd/libcrystalhd_if.h
  check_header malloc.h
  check_header poll.h
  check_header sys/mman.h
  check_header sys/param.h
  check_header sys/resource.h
  check_header sys/select.h
+ check_header sys/time.h
 +check_header termios.h
  check_header unistd.h
  check_header vdpau/vdpau.h
  check_header vdpau/vdpau_x11.h
  check_header windows.h
  check_header X11/extensions/XvMClib.h
 +check_header asm/types.h
  
  disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
  disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
  
 +# check for VDA header
 +if ! disabled vda; then
 +    if check_header VideoDecodeAcceleration/VDADecoder.h; then
 +        enable vda
 +        add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
 +    fi
 +fi
 +
  if ! disabled w32threads && ! enabled pthreads; then
      check_func _beginthreadex && enable w32threads
  fi
  
  # check for some common methods of building with pthread support
  # do this before the optional library checks as some of them require pthreads
 -if ! disabled pthreads && ! enabled w32threads; then
 +if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
      enable pthreads
      if check_func pthread_create; then
          :
@@@ -3237,12 -2916,7 +3239,12 @@@ for thread in $THREADS_LIST; d
      fi
  done
  
 +if enabled pthreads; then
 +  check_func pthread_cancel
 +fi
 +
  check_lib math.h sin -lm && LIBM="-lm"
 +disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
  enabled vaapi && require vaapi va/va.h vaInitialize -lva
  
  check_mathfunc cbrtf
@@@ -3261,54 -2935,35 +3263,54 @@@ check_mathfunc trunc
  
  # these are off by default, so fail if requested and not available
  enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
 +enabled fontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
  enabled frei0r     && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
  enabled gnutls     && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
 +enabled libaacplus && require  "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
 +enabled libass     && require_pkg_config libass ass/ass.h ass_library_init
 +enabled libbluray  && require libbluray libbluray/bluray.h bd_open -lbluray
 +enabled libcelt    && require libcelt celt/celt.h celt_decode -lcelt0 &&
 +                      { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
 +                        die "ERROR: libcelt version must be >= 0.11.0."; }
  enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
  enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
  enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
  enabled libilbc    && require  libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
 +enabled libmodplug && require  libmodplug libmodplug/modplug.h ModPlug_Load -lmodplug
  enabled libmp3lame && require  "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
 +enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
  enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
  enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
 -enabled libopencv  && require_pkg_config opencv opencv/cv.h cvCreateImageHeader
 +enabled libopencv  && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
  enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
  enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
  enabled librtmp    && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
  enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
  enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
 +enabled libstagefright_h264  && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
 +    media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
 +    media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static
  enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
 +enabled libutvideo    && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
 +enabled libv4l2    && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
  enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
  enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
  enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
  enabled libvpx     && {
      enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
                                  die "ERROR: libvpx decoder version must be >=0.9.1"; }
 -    enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
 -                                die "ERROR: libvpx encoder version must be >=0.9.1"; } }
 +    enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VP8E_SET_MAX_INTRA_BITRATE_PCT" -lvpx ||
 +                                die "ERROR: libvpx encoder version must be >=0.9.7"; } }
  enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 &&
                        { check_cpp_condition x264.h "X264_BUILD >= 118" ||
                          die "ERROR: libx264 version must be >= 0.118."; }
  enabled libxavs    && require  libxavs xavs.h xavs_encoder_encode -lxavs
  enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
 +enabled openal     && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
 +                        check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
 +                        die "ERROR: openal not found"; } &&
 +                      { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
 +                        die "ERROR: openal version must be 1.1 or compatible"; }
  enabled openssl    && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
                          check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
                          check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
@@@ -3323,28 -2978,15 +3325,28 @@@ if enabled libdc1394; the
      die "ERROR: No version of libdc1394 found "
  fi
  
 +SDL_CONFIG="${cross_prefix}sdl-config"
  if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
      check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
      enable sdl &&
      check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
 +else
 +  if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
 +    sdl_cflags=$("${SDL_CONFIG}" --cflags)
 +    sdl_libs=$("${SDL_CONFIG}" --libs)
 +    check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
 +    check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
 +    enable sdl &&
 +    check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
 +  fi
  fi
 +enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
  
  texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
 +makeinfo --version > /dev/null 2>&1 && enable makeinfo  || disable makeinfo
  
  check_header linux/fb.h
 +check_header linux/videodev.h
  check_header linux/videodev2.h
  check_struct linux/videodev2.h "struct v4l2_frmivalenum" discrete
  
@@@ -3355,8 -2997,6 +3357,8 @@@ check_func_headers "windows.h vfw.h" ca
  # w32api 3.12 had it defined wrong
  check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
  
 +check_type "dshow.h" IBaseFilter
 +
  # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
  { check_header dev/bktr/ioctl_meteor.h &&
    check_header dev/bktr/ioctl_bt848.h; } ||
  check_header dev/ic/bt8xx.h
  
  check_header sndio.h
 -check_header sys/soundcard.h
 +if check_struct sys/soundcard.h audio_buf_info bytes; then
 +    enable_safe sys/soundcard.h
 +else
 +    check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
 +    #include <sys/soundcard.h>
 +    audio_buf_info abc;
 +EOF
 +fi
  check_header soundcard.h
  
  enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
  
 -enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack &&
 +enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait &&
      check_func jack_port_get_latency_range -ljack
  
  enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
@@@ -3392,11 -3025,9 +3394,11 @@@ require X11 X11/Xlib.h XOpenDisplay -lX
  require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
  require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
  
 -# check for VDA header
 -if ! disabled vda && check_header VideoDecodeAcceleration/VDADecoder.h; then
 -    enable vda && add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
 +if ! disabled vaapi; then
 +    check_lib va/va.h vaInitialize -lva && {
 +        check_cpp_condition va/va_version.h "VA_CHECK_VERSION(0,32,0)" ||
 +        warn "Please upgrade to VA-API >= 0.32 if you would like full VA-API support.";
 +    } || disable vaapi
  fi
  
  if ! disabled vdpau && enabled vdpau_vdpau_h; then
@@@ -3407,8 -3038,6 +3409,8 @@@ check_cpp_condition 
  fi
  
  enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
 +enabled coverage && add_cflags "-fprofile-arcs -ftest-coverage" && add_ldflags "-fprofile-arcs -ftest-coverage"
 +test -n "$valgrind" && target_exec="$valgrind --error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
  
  # add some useful compiler flags if supported
  check_cflags -Wdeclaration-after-statement
@@@ -3420,17 -3049,17 +3422,17 @@@ check_cflags -Wdisabled-optimizatio
  check_cflags -Wpointer-arith
  check_cflags -Wredundant-decls
  check_cflags -Wno-pointer-sign
 -check_cflags -Wcast-qual
  check_cflags -Wwrite-strings
  check_cflags -Wtype-limits
  check_cflags -Wundef
  check_cflags -Wmissing-prototypes
 +check_cflags -Wno-pointer-to-int-cast
  check_cflags -Wstrict-prototypes
  enabled extra_warnings && check_cflags -Winline
  
  # add some linker flags
  check_ldflags -Wl,--warn-common
 -check_ldflags -Wl,-rpath-link=libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
 +check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
  test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
  
  enabled xmm_clobber_test &&                             \
  fi
  check_cflags -fno-math-errno
  check_cflags -fno-signed-zeros
 +check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
 +int x;
 +EOF
 +
  
  if enabled icc; then
      # Just warnings, no remarks
@@@ -3508,6 -3133,7 +3510,6 @@@ elif enabled gcc; the
      check_cflags -fno-tree-vectorize
      check_cflags -Werror=implicit-function-declaration
      check_cflags -Werror=missing-prototypes
 -    check_cflags -Werror=declaration-after-statement
  elif enabled llvm_gcc; then
      check_cflags -mllvm -stack-alignment=16
  elif enabled clang; then
@@@ -3537,41 -3163,9 +3539,41 @@@ check_deps $CONFIG_LIST       
  
  enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
  
 +if test $target_os = "haiku"; then
 +    disable memalign
 +    disable posix_memalign
 +fi
 +
  ! enabled_any memalign posix_memalign aligned_malloc &&
      enabled_any $need_memalign && enable memalign_hack
  
 +# add_dep lib dep
 +# -> enable ${lib}_deps_${dep}
 +# -> add $dep to ${lib}_deps only once
 +add_dep() {
 +    lib=$1
 +    dep=$2
 +    enabled "${lib}_deps_${dep}" && return 0
 +    enable  "${lib}_deps_${dep}"
 +    prepend "${lib}_deps" $dep
 +}
 +
 +# merge deps lib components
 +# merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
 +merge_deps() {
 +    lib=$1
 +    shift
 +    for comp in $*; do
 +        enabled $comp || continue
 +        eval "dep=\"\$${comp}_deps\""
 +        for d in $dep; do
 +            add_dep $lib $d
 +        done
 +    done
 +}
 +
 +merge_deps libavfilter $FILTER_LIST
 +
  echo "install prefix            $prefix"
  echo "source path               $source_path"
  echo "C compiler                $cc"
@@@ -3579,9 -3173,6 +3581,9 @@@ echo "ARCH                      $arch (
  if test "$build_suffix" != ""; then
      echo "build suffix              $build_suffix"
  fi
 +if test "$progs_suffix" != ""; then
 +    echo "progs suffix              $progs_suffix"
 +fi
  if test "$extra_version" != ""; then
      echo "version string suffix     $extra_version"
  fi
@@@ -3610,10 -3201,6 +3612,10 @@@ if enabled arm; the
  fi
  if enabled mips; then
      echo "MMI enabled               ${mmi-no}"
 +    echo "MIPS FPU enabled          ${mipsfpu-no}"
 +    echo "MIPS32R2 enabled          ${mips32r2-no}"
 +    echo "MIPS DSP R1 enabled       ${mipsdspr1-no}"
 +    echo "MIPS DSP R2 enabled       ${mipsdspr2-no}"
  fi
  if enabled ppc; then
      echo "AltiVec enabled           ${altivec-no}"
@@@ -3624,12 -3211,10 +3626,12 @@@ if enabled sparc; the
      echo "VIS enabled               ${vis-no}"
  fi
  echo "debug symbols             ${debug-no}"
 +echo "strip symbols             ${stripping-no}"
  echo "optimize for size         ${small-no}"
  echo "optimizations             ${optimizations-no}"
  echo "static                    ${static-no}"
  echo "shared                    ${shared-no}"
 +echo "postprocessing support    ${postproc-no}"
  echo "new filter support        ${avfilter-no}"
  echo "network support           ${network-no}"
  echo "threading support         ${thread_type-no}"
@@@ -3641,17 -3226,12 +3643,17 @@@ echo "libvdpau enabled          ${vdpau
  echo "AVISynth enabled          ${avisynth-no}"
  echo "frei0r enabled            ${frei0r-no}"
  echo "gnutls enabled            ${gnutls-no}"
 +echo "libaacplus enabled        ${libaacplus-no}"
 +echo "libass enabled            ${libass-no}"
  echo "libcdio support           ${libcdio-no}"
 +echo "libcelt enabled           ${libcelt-no}"
  echo "libdc1394 support         ${libdc1394-no}"
  echo "libfaac enabled           ${libfaac-no}"
  echo "libgsm enabled            ${libgsm-no}"
  echo "libilbc enabled           ${libilbc-no}"
 +echo "libmodplug enabled        ${libmodplug-no}"
  echo "libmp3lame enabled        ${libmp3lame-no}"
 +echo "libnut enabled            ${libnut-no}"
  echo "libopencore-amrnb support ${libopencore_amrnb-no}"
  echo "libopencore-amrwb support ${libopencore_amrwb-no}"
  echo "libopencv support         ${libopencv-no}"
@@@ -3660,10 -3240,7 +3662,10 @@@ echo "libpulse enabled          ${libpu
  echo "librtmp enabled           ${librtmp-no}"
  echo "libschroedinger enabled   ${libschroedinger-no}"
  echo "libspeex enabled          ${libspeex-no}"
 +echo "libstagefright-h264 enabled    ${libstagefright_h264-no}"
  echo "libtheora enabled         ${libtheora-no}"
 +echo "libutvideo enabled        ${libutvideo-no}"
 +echo "libv4l2 enabled           ${libv4l2-no}"
  echo "libvo-aacenc support      ${libvo_aacenc-no}"
  echo "libvo-amrwbenc support    ${libvo_amrwbenc-no}"
  echo "libvorbis enabled         ${libvorbis-no}"
@@@ -3671,12 -3248,9 +3673,12 @@@ echo "libvpx enabled            ${libvp
  echo "libx264 enabled           ${libx264-no}"
  echo "libxavs enabled           ${libxavs-no}"
  echo "libxvid enabled           ${libxvid-no}"
 +echo "openal enabled            ${openal-no}"
  echo "openssl enabled           ${openssl-no}"
  echo "zlib enabled              ${zlib-no}"
  echo "bzlib enabled             ${bzlib-no}"
 +test -n "$random_seed" &&
 +    echo "random seed               ${random_seed}"
  echo
  
  for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
@@@ -3703,15 -3277,11 +3705,15 @@@ echo "Creating config.mak and config.h.
  
  test -e Makefile || $ln_s "$source_path/Makefile" .
  
 +enabled stripping || strip="echo skipping strip"
 +
  config_files="$TMPH config.mak"
  
  cat > config.mak <<EOF
  # Automatically generated by configure - do not modify!
 -LIBAV_CONFIGURATION=$LIBAV_CONFIGURATION
 +ifndef FFMPEG_CONFIG_MAK
 +FFMPEG_CONFIG_MAK=1
 +FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
  prefix=$prefix
  LIBDIR=\$(DESTDIR)$libdir
  SHLIBDIR=\$(DESTDIR)$shlibdir
@@@ -3720,13 -3290,9 +3722,13 @@@ BINDIR=\$(DESTDIR)$bindi
  DATADIR=\$(DESTDIR)$datadir
  MANDIR=\$(DESTDIR)$mandir
  SRC_PATH=$source_path
 +ifndef MAIN_MAKEFILE
 +SRC_PATH:=\$(SRC_PATH:.%=..%)
 +endif
  CC_IDENT=$cc_ident
  ARCH=$arch
  CC=$cc
 +CXX=$cxx
  AS=$as
  LD=$ld
  DEPCC=$dep_cc
@@@ -3734,22 -3300,18 +3736,22 @@@ YASM=$yasmex
  YASMDEP=$yasmexe
  AR=$ar
  RANLIB=$ranlib
 +CP=cp -p
  LN_S=$ln_s
 +STRIP=$strip
  CPPFLAGS=$CPPFLAGS
  CFLAGS=$CFLAGS
 +CXXFLAGS=$CXXFLAGS
  ASFLAGS=$ASFLAGS
  AS_O=$CC_O
  CC_O=$CC_O
 -DLLTOOL=$dlltool
 +CXX_O=$CXX_O
  LDFLAGS=$LDFLAGS
 -AVSERVERLDFLAGS=$AVSERVERLDFLAGS
 +FFSERVERLDFLAGS=$FFSERVERLDFLAGS
  SHFLAGS=$SHFLAGS
  YASMFLAGS=$YASMFLAGS
  BUILDSUF=$build_suffix
 +PROGSSUF=$progs_suffix
  FULLNAME=$FULLNAME
  LIBPREF=$LIBPREF
  LIBSUF=$LIBSUF
@@@ -3760,7 -3322,6 +3762,7 @@@ EXESUF=$EXESU
  EXTRA_VERSION=$extra_version
  DEPFLAGS=$DEPFLAGS
  CCDEP=$CCDEP
 +CXXDEP=$CXXDEP
  ASDEP=$ASDEP
  CC_DEPFLAGS=$CC_DEPFLAGS
  AS_DEPFLAGS=$AS_DEPFLAGS
@@@ -3775,7 -3336,7 +3777,7 @@@ SDL_LIBS=$sdl_lib
  SDL_CFLAGS=$sdl_cflags
  LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
  EXTRALIBS=$extralibs
 -INSTALL=install
 +INSTALL=$install
  LIBTARGET=${LIBTARGET}
  SLIBNAME=${SLIBNAME}
  SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
@@@ -3786,18 -3347,14 +3788,18 @@@ SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME
  SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
  SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
  SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
 -SAMPLES:=${samples:-\$(LIBAV_SAMPLES)}
 +SAMPLES:=${samples:-\$(FATE_SAMPLES)}
 +NOREDZONE_FLAGS=$noredzone_flags
  EOF
  
  get_version(){
      name=$1
      file=$source_path/$2
 +# This condition will be removed when we stop supporting old libpostproc versions
 +if ! test "$name" = LIBPOSTPROC || test "$postproc_version" = current; then
      eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
      eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
 +fi
      lcname=$(tolower $name)
      eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
      eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
@@@ -3808,30 -3365,24 +3810,30 @@@ get_version LIBAVDEVICE libavdevice/avd
  get_version LIBAVFILTER libavfilter/version.h
  get_version LIBAVFORMAT libavformat/version.h
  get_version LIBAVRESAMPLE libavresample/version.h
 -get_version LIBAVUTIL   libavutil/avutil.h
 +get_version LIBAVUTIL   libavutil/version.h
 +get_version LIBPOSTPROC libpostproc/postprocess.h
 +get_version LIBSWRESAMPLE libswresample/swresample.h
  get_version LIBSWSCALE  libswscale/swscale.h
  
  cat > $TMPH <<EOF
  /* Automatically generated by configure - do not modify! */
 -#ifndef LIBAV_CONFIG_H
 -#define LIBAV_CONFIG_H
 -#define LIBAV_CONFIGURATION "$(c_escape $LIBAV_CONFIGURATION)"
 -#define LIBAV_LICENSE "$(c_escape $license)"
 +#ifndef FFMPEG_CONFIG_H
 +#define FFMPEG_CONFIG_H
 +#define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
 +#define FFMPEG_LICENSE "$(c_escape $license)"
 +#define FFMPEG_DATADIR "$(eval c_escape $datadir)"
  #define AVCONV_DATADIR "$(eval c_escape $datadir)"
  #define CC_TYPE "$cc_type"
  #define CC_VERSION $cc_version
 -#define restrict $_restrict
 +#define av_restrict $_restrict
  #define EXTERN_PREFIX "${extern_prefix}"
  #define EXTERN_ASM ${extern_prefix}
  #define SLIBSUF "$SLIBSUF"
  EOF
  
 +test -n "$assert_level" &&
 +    echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
 +
  test -n "$malloc_prefix" &&
      echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
  
@@@ -3856,14 -3407,12 +3858,14 @@@ print_config CONFIG_ "$config_files" $C
                                       $ALL_COMPONENTS    \
  
  cat >>config.mak <<EOF
 +LAVF_FATE_TESTS=$(print_enabled -n _test $LAVF_FATE_TESTS)
  LAVF_TESTS=$(print_enabled   -n _test $LAVF_TESTS)
  LAVFI_TESTS=$(print_enabled  -n _test $LAVFI_TESTS)
  SEEK_TESTS=$(print_enabled   -n _test $SEEK_TESTS)
  EOF
  
 -echo "#endif /* LIBAV_CONFIG_H */" >> $TMPH
 +echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
 +echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
  
  # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
  cp_if_changed $TMPH config.h
@@@ -3877,12 -3426,6 +3879,12 @@@ cat > $TMPH <<EO
  #define AVUTIL_AVCONFIG_H
  EOF
  
 +test "$postproc_version" != current && cat >> $TMPH <<EOF
 +#define LIBPOSTPROC_VERSION_MAJOR $LIBPOSTPROC_VERSION_MAJOR
 +#define LIBPOSTPROC_VERSION_MINOR $LIBPOSTPROC_VERSION_MINOR
 +#define LIBPOSTPROC_VERSION_MICRO $LIBPOSTPROC_VERSION_MICRO
 +EOF
 +
  print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
  
  echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
@@@ -3934,23 -3477,10 +3936,23 @@@ Cflags: -I\${includedir
  EOF
  }
  
 -pkgconfig_generate libavutil "Libav utility library" "$LIBAVUTIL_VERSION" "$LIBM"
 -pkgconfig_generate libavcodec "Libav codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
 -pkgconfig_generate libavformat "Libav container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
 -pkgconfig_generate libavdevice "Libav device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
 -pkgconfig_generate libavfilter "Libav video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
 +libavfilter_pc_deps=""
 +enabled libavfilter_deps_avcodec    && prepend libavfilter_pc_deps "libavcodec = $LIBAVCODEC_VERSION,"
 +enabled libavfilter_deps_avformat   && prepend libavfilter_pc_deps "libavformat = $LIBAVFORMAT_VERSION,"
 +enabled libavfilter_deps_swscale    && prepend libavfilter_pc_deps "libswscale = $LIBSWSCALE_VERSION,"
 +enabled libavfilter_deps_swresample && prepend libavfilter_pc_deps "libswresample = $LIBSWRESAMPLE_VERSION,"
 +enabled libavfilter_deps_postproc   && prepend libavfilter_pc_deps "libpostproc = $LIBPOSTPROC_VERSION,"
 +libavfilter_pc_deps=${libavfilter_pc_deps%, }
 +
 +libavdevice_pc_deps="libavformat = $LIBAVFORMAT_VERSION"
 +enabled lavfi_indev && prepend libavdevice_pc_deps "libavfilter = $LIBAVFILTER_VERSION,"
 +
 +pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBM"
 +pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
 +pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
 +pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$libavdevice_pc_deps"
 +pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$libavfilter_pc_deps"
 +pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
  pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$extralibs"
 -pkgconfig_generate libswscale "Libav image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"
 +pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"
 +pkgconfig_generate libswresample "FFmpeg audio rescaling library" "$LIBSWRESAMPLE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"
diff --combined ffmpeg.c
index 699147a,0000000..f6ce70b
mode 100644,000000..100644
--- /dev/null
+++ b/ffmpeg.c
@@@ -1,5941 -1,0 +1,5944 @@@
 +/*
 + * Copyright (c) 2000-2003 Fabrice Bellard
 + *
 + * This file is part of FFmpeg.
 + *
 + * FFmpeg is free software; you can redistribute it and/or
 + * modify it under the terms of the GNU Lesser General Public
 + * License as published by the Free Software Foundation; either
 + * version 2.1 of the License, or (at your option) any later version.
 + *
 + * FFmpeg is distributed in the hope that it will be useful,
 + * but WITHOUT ANY WARRANTY; without even the implied warranty of
 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 + * Lesser General Public License for more details.
 + *
 + * You should have received a copy of the GNU Lesser General Public
 + * License along with FFmpeg; if not, write to the Free Software
 + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 + */
 +
 +/**
 + * @file
 + * multimedia converter based on the FFmpeg libraries
 + */
 +
 +#include "config.h"
 +#include <ctype.h>
 +#include <string.h>
 +#include <math.h>
 +#include <stdlib.h>
 +#include <errno.h>
 +#include <signal.h>
 +#include <limits.h>
 +#if HAVE_ISATTY
 +#include <unistd.h>
 +#endif
 +#include "libavformat/avformat.h"
 +#include "libavdevice/avdevice.h"
 +#include "libswscale/swscale.h"
 +#include "libswresample/swresample.h"
 +#include "libavutil/opt.h"
 +#include "libavutil/audioconvert.h"
 +#include "libavutil/parseutils.h"
 +#include "libavutil/samplefmt.h"
 +#include "libavutil/colorspace.h"
 +#include "libavutil/fifo.h"
 +#include "libavutil/intreadwrite.h"
 +#include "libavutil/dict.h"
 +#include "libavutil/mathematics.h"
 +#include "libavutil/pixdesc.h"
 +#include "libavutil/avstring.h"
 +#include "libavutil/libm.h"
 +#include "libavutil/imgutils.h"
 +#include "libavutil/timestamp.h"
 +#include "libavutil/bprint.h"
 +#include "libavutil/time.h"
 +#include "libavformat/os_support.h"
 +
 +#include "libavformat/ffm.h" // not public API
 +
 +# include "libavfilter/avcodec.h"
 +# include "libavfilter/avfilter.h"
 +# include "libavfilter/avfiltergraph.h"
 +# include "libavfilter/buffersrc.h"
 +# include "libavfilter/buffersink.h"
 +
 +#if HAVE_SYS_RESOURCE_H
 +#include <sys/types.h>
 +#include <sys/resource.h>
 +#elif HAVE_GETPROCESSTIMES
 +#include <windows.h>
 +#endif
 +#if HAVE_GETPROCESSMEMORYINFO
 +#include <windows.h>
 +#include <psapi.h>
 +#endif
 +
 +#if HAVE_SYS_SELECT_H
 +#include <sys/select.h>
 +#endif
 +
 +#if HAVE_TERMIOS_H
 +#include <fcntl.h>
 +#include <sys/ioctl.h>
 +#include <sys/time.h>
 +#include <termios.h>
 +#elif HAVE_KBHIT
 +#include <conio.h>
 +#endif
 +
 +#if HAVE_PTHREADS
 +#include <pthread.h>
 +#endif
 +
 +#include <time.h>
 +
 +#include "cmdutils.h"
 +
 +#include "libavutil/avassert.h"
 +
 +#define VSYNC_AUTO       -1
 +#define VSYNC_PASSTHROUGH 0
 +#define VSYNC_CFR         1
 +#define VSYNC_VFR         2
 +#define VSYNC_DROP        0xff
 +
 +const char program_name[] = "ffmpeg";
 +const int program_birth_year = 2000;
 +
 +/* select an input stream for an output stream */
 +typedef struct StreamMap {
 +    int disabled;           /** 1 is this mapping is disabled by a negative map */
 +    int file_index;
 +    int stream_index;
 +    int sync_file_index;
 +    int sync_stream_index;
 +    char *linklabel;       /** name of an output link, for mapping lavfi outputs */
 +} StreamMap;
 +
 +typedef struct {
 +    int  file_idx,  stream_idx,  channel_idx; // input
 +    int ofile_idx, ostream_idx;               // output
 +} AudioChannelMap;
 +
 +static const OptionDef options[];
 +
 +#define MAX_STREAMS 1024    /* arbitrary sanity check value */
 +
 +static int frame_bits_per_raw_sample = 0;
 +static int video_discard = 0;
 +static int same_quant = 0;
 +static int do_deinterlace = 0;
 +static int intra_dc_precision = 8;
 +static int qp_hist = 0;
 +static int intra_only = 0;
 +static const char *video_codec_name    = NULL;
 +static const char *audio_codec_name    = NULL;
 +static const char *subtitle_codec_name = NULL;
 +
 +static int file_overwrite = 0;
 +static int no_file_overwrite = 0;
 +static int do_benchmark = 0;
 +static int do_benchmark_all = 0;
 +static int do_hex_dump = 0;
 +static int do_pkt_dump = 0;
 +static int do_psnr = 0;
 +static int do_pass = 0;
 +static const char *pass_logfilename_prefix;
 +static int video_sync_method = VSYNC_AUTO;
 +static int audio_sync_method = 0;
 +static float audio_drift_threshold = 0.1;
 +static int copy_ts = 0;
 +static int copy_tb = -1;
 +static int opt_shortest = 0;
 +static char *vstats_filename;
 +static FILE *vstats_file;
 +
 +static int audio_volume = 256;
 +
 +static int exit_on_error = 0;
 +static int using_stdin = 0;
 +static int run_as_daemon  = 0;
 +static volatile int received_nb_signals = 0;
 +static int64_t video_size = 0;
 +static int64_t audio_size = 0;
 +static int64_t subtitle_size = 0;
 +static int64_t extra_size = 0;
 +static int nb_frames_dup = 0;
 +static int nb_frames_drop = 0;
 +static int input_sync;
 +
 +static float dts_delta_threshold = 10;
 +static float dts_error_threshold = 3600*30;
 +
 +static int print_stats = 1;
 +static int debug_ts = 0;
 +static int current_time;
 +
 +#if HAVE_PTHREADS
 +/* signal to input threads that they should exit; set by the main thread */
 +static int transcoding_finished;
 +#endif
 +
 +#define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
 +
 +typedef struct InputFilter {
 +    AVFilterContext    *filter;
 +    struct InputStream *ist;
 +    struct FilterGraph *graph;
 +    uint8_t            *name;
 +} InputFilter;
 +
 +typedef struct OutputFilter {
 +    AVFilterContext     *filter;
 +    struct OutputStream *ost;
 +    struct FilterGraph  *graph;
 +    uint8_t             *name;
 +
 +    /* temporary storage until stream maps are processed */
 +    AVFilterInOut       *out_tmp;
 +} OutputFilter;
 +
 +typedef struct FilterGraph {
 +    int            index;
 +    const char    *graph_desc;
 +
 +    AVFilterGraph *graph;
 +
 +    InputFilter   **inputs;
 +    int          nb_inputs;
 +    OutputFilter **outputs;
 +    int         nb_outputs;
 +} FilterGraph;
 +
 +typedef struct InputStream {
 +    int file_index;
 +    AVStream *st;
 +    int discard;             /* true if stream data should be discarded */
 +    int decoding_needed;     /* true if the packets must be decoded in 'raw_fifo' */
 +    AVCodec *dec;
 +    AVFrame *decoded_frame;
 +
 +    int64_t       start;     /* time when read started */
 +    /* predicted dts of the next packet read for this stream or (when there are
 +     * several frames in a packet) of the next frame in current packet */
 +    int64_t       next_dts;
 +    /* dts of the last packet read for this stream */
 +    int64_t       dts;
 +
 +    int64_t       next_pts;  /* synthetic pts for the next decode frame */
 +    int64_t       pts;       /* current pts of the decoded frame */
 +    double ts_scale;
 +    int is_start;            /* is 1 at the start and after a discontinuity */
 +    int saw_first_ts;
 +    int showed_multi_packet_warning;
 +    AVDictionary *opts;
 +    AVRational framerate;               /* framerate forced with -r */
 +    int top_field_first;
 +
 +    int resample_height;
 +    int resample_width;
 +    int resample_pix_fmt;
 +
 +    int      resample_sample_fmt;
 +    int      resample_sample_rate;
 +    int      resample_channels;
 +    uint64_t resample_channel_layout;
 +
 +    /* a pool of free buffers for decoded data */
 +    FrameBuffer *buffer_pool;
 +    int dr1;
 +
 +    /* decoded data from this stream goes into all those filters
 +     * currently video and audio only */
 +    InputFilter **filters;
 +    int        nb_filters;
 +} InputStream;
 +
 +typedef struct InputFile {
 +    AVFormatContext *ctx;
 +    int eof_reached;      /* true if eof reached */
 +    int ist_index;        /* index of first stream in input_streams */
 +    int64_t ts_offset;
 +    int nb_streams;       /* number of stream that ffmpeg is aware of; may be different
 +                             from ctx.nb_streams if new streams appear during av_read_frame() */
 +    int rate_emu;
 +
 +#if HAVE_PTHREADS
 +    pthread_t thread;           /* thread reading from this file */
 +    int finished;               /* the thread has exited */
 +    int joined;                 /* the thread has been joined */
 +    pthread_mutex_t fifo_lock;  /* lock for access to fifo */
 +    pthread_cond_t  fifo_cond;  /* the main thread will signal on this cond after reading from fifo */
 +    AVFifoBuffer *fifo;         /* demuxed packets are stored here; freed by the main thread */
 +#endif
 +} InputFile;
 +
 +typedef struct OutputStream {
 +    int file_index;          /* file index */
 +    int index;               /* stream index in the output file */
 +    int source_index;        /* InputStream index */
 +    AVStream *st;            /* stream in the output file */
 +    int encoding_needed;     /* true if encoding needed for this stream */
 +    int frame_number;
 +    /* input pts and corresponding output pts
 +       for A/V sync */
 +    struct InputStream *sync_ist; /* input stream to sync against */
 +    int64_t sync_opts;       /* output frame counter, could be changed to some true timestamp */ // FIXME look at frame_number
 +    /* pts of the first frame encoded for this stream, used for limiting
 +     * recording time */
 +    int64_t first_pts;
 +    AVBitStreamFilterContext *bitstream_filters;
 +    AVCodec *enc;
 +    int64_t max_frames;
 +    AVFrame *filtered_frame;
 +
 +    /* video only */
 +    AVRational frame_rate;
 +    int force_fps;
 +    int top_field_first;
 +
 +    float frame_aspect_ratio;
 +    float last_quality;
 +
 +    /* forced key frames */
 +    int64_t *forced_kf_pts;
 +    int forced_kf_count;
 +    int forced_kf_index;
 +    char *forced_keyframes;
 +
 +    /* audio only */
 +    int audio_channels_map[SWR_CH_MAX];  /* list of the channels id to pick from the source stream */
 +    int audio_channels_mapped;           /* number of channels in audio_channels_map */
 +
 +    FILE *logfile;
 +
 +    OutputFilter *filter;
 +    char *avfilter;
 +
 +    int64_t sws_flags;
 +    int64_t swr_dither_method;
 +    double swr_dither_scale;
 +    AVDictionary *opts;
 +    int is_past_recording_time;
 +    int stream_copy;
 +    const char *attachment_filename;
 +    int copy_initial_nonkeyframes;
 +
 +    int keep_pix_fmt;
 +} OutputStream;
 +
 +
 +#if HAVE_TERMIOS_H
 +
 +/* init terminal so that we can grab keys */
 +static struct termios oldtty;
 +static int restore_tty;
 +#endif
 +
 +typedef struct OutputFile {
 +    AVFormatContext *ctx;
 +    AVDictionary *opts;
 +    int ost_index;       /* index of the first stream in output_streams */
 +    int64_t recording_time; /* desired length of the resulting file in microseconds */
 +    int64_t start_time;     /* start time in microseconds */
 +    uint64_t limit_filesize; /* filesize limit expressed in bytes */
 +} OutputFile;
 +
 +static InputStream **input_streams = NULL;
 +static int        nb_input_streams = 0;
 +static InputFile   **input_files   = NULL;
 +static int        nb_input_files   = 0;
 +
 +static OutputStream **output_streams = NULL;
 +static int         nb_output_streams = 0;
 +static OutputFile   **output_files   = NULL;
 +static int         nb_output_files   = 0;
 +
 +static FilterGraph **filtergraphs;
 +int               nb_filtergraphs;
 +
 +typedef struct OptionsContext {
 +    /* input/output options */
 +    int64_t start_time;
 +    const char *format;
 +
 +    SpecifierOpt *codec_names;
 +    int        nb_codec_names;
 +    SpecifierOpt *audio_channels;
 +    int        nb_audio_channels;
 +    SpecifierOpt *audio_sample_rate;
 +    int        nb_audio_sample_rate;
 +    SpecifierOpt *frame_rates;
 +    int        nb_frame_rates;
 +    SpecifierOpt *frame_sizes;
 +    int        nb_frame_sizes;
 +    SpecifierOpt *frame_pix_fmts;
 +    int        nb_frame_pix_fmts;
 +
 +    /* input options */
 +    int64_t input_ts_offset;
 +    int rate_emu;
 +
 +    SpecifierOpt *ts_scale;
 +    int        nb_ts_scale;
 +    SpecifierOpt *dump_attachment;
 +    int        nb_dump_attachment;
 +
 +    /* output options */
 +    StreamMap *stream_maps;
 +    int     nb_stream_maps;
 +    AudioChannelMap *audio_channel_maps; /* one info entry per -map_channel */
 +    int           nb_audio_channel_maps; /* number of (valid) -map_channel settings */
 +    int metadata_global_manual;
 +    int metadata_streams_manual;
 +    int metadata_chapters_manual;
 +    const char **attachments;
 +    int       nb_attachments;
 +
 +    int chapters_input_file;
 +
 +    int64_t recording_time;
 +    uint64_t limit_filesize;
 +    float mux_preload;
 +    float mux_max_delay;
 +
 +    int video_disable;
 +    int audio_disable;
 +    int subtitle_disable;
 +    int data_disable;
 +
 +    /* indexed by output file stream index */
 +    int   *streamid_map;
 +    int nb_streamid_map;
 +
 +    SpecifierOpt *metadata;
 +    int        nb_metadata;
 +    SpecifierOpt *max_frames;
 +    int        nb_max_frames;
 +    SpecifierOpt *bitstream_filters;
 +    int        nb_bitstream_filters;
 +    SpecifierOpt *codec_tags;
 +    int        nb_codec_tags;
 +    SpecifierOpt *sample_fmts;
 +    int        nb_sample_fmts;
 +    SpecifierOpt *qscale;
 +    int        nb_qscale;
 +    SpecifierOpt *forced_key_frames;
 +    int        nb_forced_key_frames;
 +    SpecifierOpt *force_fps;
 +    int        nb_force_fps;
 +    SpecifierOpt *frame_aspect_ratios;
 +    int        nb_frame_aspect_ratios;
 +    SpecifierOpt *rc_overrides;
 +    int        nb_rc_overrides;
 +    SpecifierOpt *intra_matrices;
 +    int        nb_intra_matrices;
 +    SpecifierOpt *inter_matrices;
 +    int        nb_inter_matrices;
 +    SpecifierOpt *top_field_first;
 +    int        nb_top_field_first;
 +    SpecifierOpt *metadata_map;
 +    int        nb_metadata_map;
 +    SpecifierOpt *presets;
 +    int        nb_presets;
 +    SpecifierOpt *copy_initial_nonkeyframes;
 +    int        nb_copy_initial_nonkeyframes;
 +    SpecifierOpt *filters;
 +    int        nb_filters;
 +} OptionsContext;
 +
 +static void do_video_stats(AVFormatContext *os, OutputStream *ost, int frame_size);
 +
 +#define MATCH_PER_STREAM_OPT(name, type, outvar, fmtctx, st)\
 +{\
 +    int i, ret;\
 +    for (i = 0; i < o->nb_ ## name; i++) {\
 +        char *spec = o->name[i].specifier;\
 +        if ((ret = check_stream_specifier(fmtctx, st, spec)) > 0)\
 +            outvar = o->name[i].u.type;\
 +        else if (ret < 0)\
 +            exit_program(1);\
 +    }\
 +}
 +
 +static int64_t getutime(void)
 +{
 +#if HAVE_GETRUSAGE
 +    struct rusage rusage;
 +
 +    getrusage(RUSAGE_SELF, &rusage);
 +    return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
 +#elif HAVE_GETPROCESSTIMES
 +    HANDLE proc;
 +    FILETIME c, e, k, u;
 +    proc = GetCurrentProcess();
 +    GetProcessTimes(proc, &c, &e, &k, &u);
 +    return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
 +#else
 +    return av_gettime();
 +#endif
 +}
 +
 +static void update_benchmark(const char *fmt, ...)
 +{
 +    if (do_benchmark_all) {
 +        int64_t t = getutime();
 +        va_list va;
 +        char buf[1024];
 +
 +        if (fmt) {
 +            va_start(va, fmt);
 +            vsnprintf(buf, sizeof(buf), fmt, va);
 +            va_end(va);
 +            printf("bench: %8"PRIu64" %s \n", t - current_time, buf);
 +        }
 +        current_time = t;
 +    }
 +}
 +
 +static void reset_options(OptionsContext *o, int is_input)
 +{
 +    const OptionDef *po = options;
 +    OptionsContext bak= *o;
 +    int i;
 +
 +    /* all OPT_SPEC and OPT_STRING can be freed in generic way */
 +    while (po->name) {
 +        void *dst = (uint8_t*)o + po->u.off;
 +
 +        if (po->flags & OPT_SPEC) {
 +            SpecifierOpt **so = dst;
 +            int i, *count = (int*)(so + 1);
 +            for (i = 0; i < *count; i++) {
 +                av_freep(&(*so)[i].specifier);
 +                if (po->flags & OPT_STRING)
 +                    av_freep(&(*so)[i].u.str);
 +            }
 +            av_freep(so);
 +            *count = 0;
 +        } else if (po->flags & OPT_OFFSET && po->flags & OPT_STRING)
 +            av_freep(dst);
 +        po++;
 +    }
 +
 +    for (i = 0; i < o->nb_stream_maps; i++)
 +        av_freep(&o->stream_maps[i].linklabel);
 +    av_freep(&o->stream_maps);
 +    av_freep(&o->audio_channel_maps);
 +    av_freep(&o->streamid_map);
 +
 +    memset(o, 0, sizeof(*o));
 +
 +    if(is_input) o->recording_time = bak.recording_time;
 +    else         o->recording_time = INT64_MAX;
 +    o->mux_max_delay  = 0.7;
 +    o->limit_filesize = UINT64_MAX;
 +    o->chapters_input_file = INT_MAX;
 +
 +    uninit_opts();
 +    init_opts();
 +}
 +
 +static enum PixelFormat choose_pixel_fmt(AVStream *st, AVCodec *codec, enum PixelFormat target)
 +{
 +    if (codec && codec->pix_fmts) {
 +        const enum PixelFormat *p = codec->pix_fmts;
 +        int has_alpha= av_pix_fmt_descriptors[target].nb_components % 2 == 0;
 +        enum PixelFormat best= PIX_FMT_NONE;
 +        if (st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL) {
 +            if (st->codec->codec_id == CODEC_ID_MJPEG) {
 +                p = (const enum PixelFormat[]) { PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE };
 +            } else if (st->codec->codec_id == CODEC_ID_LJPEG) {
 +                p = (const enum PixelFormat[]) { PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUVJ444P, PIX_FMT_YUV420P,
 +                                                 PIX_FMT_YUV422P, PIX_FMT_YUV444P, PIX_FMT_BGRA, PIX_FMT_NONE };
 +            }
 +        }
 +        for (; *p != PIX_FMT_NONE; p++) {
 +            best= avcodec_find_best_pix_fmt2(best, *p, target, has_alpha, NULL);
 +            if (*p == target)
 +                break;
 +        }
 +        if (*p == PIX_FMT_NONE) {
 +            if (target != PIX_FMT_NONE)
 +                av_log(NULL, AV_LOG_WARNING,
 +                       "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
 +                       av_pix_fmt_descriptors[target].name,
 +                       codec->name,
 +                       av_pix_fmt_descriptors[best].name);
 +            return best;
 +        }
 +    }
 +    return target;
 +}
 +
 +static char *choose_pix_fmts(OutputStream *ost)
 +{
 +     if (ost->keep_pix_fmt) {
 +        if (ost->filter)
 +            avfilter_graph_set_auto_convert(ost->filter->graph->graph,
 +                                            AVFILTER_AUTO_CONVERT_NONE);
 +        if (ost->st->codec->pix_fmt == PIX_FMT_NONE)
 +            return NULL;
 +        return av_strdup(av_get_pix_fmt_name(ost->st->codec->pix_fmt));
 +    }
 +    if (ost->st->codec->pix_fmt != PIX_FMT_NONE) {
 +        return av_strdup(av_get_pix_fmt_name(choose_pixel_fmt(ost->st, ost->enc, ost->st->codec->pix_fmt)));
 +    } else if (ost->enc && ost->enc->pix_fmts) {
 +        const enum PixelFormat *p;
 +        AVIOContext *s = NULL;
 +        uint8_t *ret;
 +        int len;
 +
 +        if (avio_open_dyn_buf(&s) < 0)
 +            exit_program(1);
 +
 +        p = ost->enc->pix_fmts;
 +        if (ost->st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL) {
 +            if (ost->st->codec->codec_id == CODEC_ID_MJPEG) {
 +                p = (const enum PixelFormat[]) { PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE };
 +            } else if (ost->st->codec->codec_id == CODEC_ID_LJPEG) {
 +                p = (const enum PixelFormat[]) { PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUVJ444P, PIX_FMT_YUV420P,
 +                                                    PIX_FMT_YUV422P, PIX_FMT_YUV444P, PIX_FMT_BGRA, PIX_FMT_NONE };
 +            }
 +        }
 +
 +        for (; *p != PIX_FMT_NONE; p++) {
 +            const char *name = av_get_pix_fmt_name(*p);
 +            avio_printf(s, "%s:", name);
 +        }
 +        len = avio_close_dyn_buf(s, &ret);
 +        ret[len - 1] = 0;
 +        return ret;
 +    } else
 +        return NULL;
 +}
 +
 +/**
 + * Define a function for building a string containing a list of
 + * allowed formats,
 + */
 +#define DEF_CHOOSE_FORMAT(type, var, supported_list, none, get_name, separator) \
 +static char *choose_ ## var ## s(OutputStream *ost)                             \
 +{                                                                               \
 +    if (ost->st->codec->var != none) {                                          \
 +        get_name(ost->st->codec->var);                                          \
 +        return av_strdup(name);                                                 \
 +    } else if (ost->enc->supported_list) {                                      \
 +        const type *p;                                                          \
 +        AVIOContext *s = NULL;                                                  \
 +        uint8_t *ret;                                                           \
 +        int len;                                                                \
 +                                                                                \
 +        if (avio_open_dyn_buf(&s) < 0)                                          \
 +            exit_program(1);                                                    \
 +                                                                                \
 +        for (p = ost->enc->supported_list; *p != none; p++) {                   \
 +            get_name(*p);                                                       \
 +            avio_printf(s, "%s" separator, name);                               \
 +        }                                                                       \
 +        len = avio_close_dyn_buf(s, &ret);                                      \
 +        ret[len - 1] = 0;                                                       \
 +        return ret;                                                             \
 +    } else                                                                      \
 +        return NULL;                                                            \
 +}
 +
 +#define GET_PIX_FMT_NAME(pix_fmt)\
 +    const char *name = av_get_pix_fmt_name(pix_fmt);
 +
 +// DEF_CHOOSE_FORMAT(enum PixelFormat, pix_fmt, pix_fmts, PIX_FMT_NONE,
 +//                   GET_PIX_FMT_NAME, ":")
 +
 +#define GET_SAMPLE_FMT_NAME(sample_fmt)\
 +    const char *name = av_get_sample_fmt_name(sample_fmt)
 +
 +DEF_CHOOSE_FORMAT(enum AVSampleFormat, sample_fmt, sample_fmts,
 +                  AV_SAMPLE_FMT_NONE, GET_SAMPLE_FMT_NAME, ",")
 +
 +#define GET_SAMPLE_RATE_NAME(rate)\
 +    char name[16];\
 +    snprintf(name, sizeof(name), "%d", rate);
 +
 +DEF_CHOOSE_FORMAT(int, sample_rate, supported_samplerates, 0,
 +                  GET_SAMPLE_RATE_NAME, ",")
 +
 +#define GET_CH_LAYOUT_NAME(ch_layout)\
 +    char name[16];\
 +    snprintf(name, sizeof(name), "0x%"PRIx64, ch_layout);
 +
 +DEF_CHOOSE_FORMAT(uint64_t, channel_layout, channel_layouts, 0,
 +                  GET_CH_LAYOUT_NAME, ",")
 +
 +static FilterGraph *init_simple_filtergraph(InputStream *ist, OutputStream *ost)
 +{
 +    FilterGraph *fg = av_mallocz(sizeof(*fg));
 +
 +    if (!fg)
 +        exit_program(1);
 +    fg->index = nb_filtergraphs;
 +
 +    fg->outputs = grow_array(fg->outputs, sizeof(*fg->outputs), &fg->nb_outputs,
 +                             fg->nb_outputs + 1);
 +    if (!(fg->outputs[0] = av_mallocz(sizeof(*fg->outputs[0]))))
 +        exit_program(1);
 +    fg->outputs[0]->ost   = ost;
 +    fg->outputs[0]->graph = fg;
 +
 +    ost->filter = fg->outputs[0];
 +
 +    fg->inputs = grow_array(fg->inputs, sizeof(*fg->inputs), &fg->nb_inputs,
 +                            fg->nb_inputs + 1);
 +    if (!(fg->inputs[0] = av_mallocz(sizeof(*fg->inputs[0]))))
 +        exit_program(1);
 +    fg->inputs[0]->ist   = ist;
 +    fg->inputs[0]->graph = fg;
 +
 +    ist->filters = grow_array(ist->filters, sizeof(*ist->filters),
 +                              &ist->nb_filters, ist->nb_filters + 1);
 +    ist->filters[ist->nb_filters - 1] = fg->inputs[0];
 +
 +    filtergraphs = grow_array(filtergraphs, sizeof(*filtergraphs),
 +                              &nb_filtergraphs, nb_filtergraphs + 1);
 +    filtergraphs[nb_filtergraphs - 1] = fg;
 +
 +    return fg;
 +}
 +
 +static void init_input_filter(FilterGraph *fg, AVFilterInOut *in)
 +{
 +    InputStream *ist = NULL;
 +    enum AVMediaType type = avfilter_pad_get_type(in->filter_ctx->input_pads, in->pad_idx);
 +    int i;
 +
 +    // TODO: support other filter types
 +    if (type != AVMEDIA_TYPE_VIDEO && type != AVMEDIA_TYPE_AUDIO) {
 +        av_log(NULL, AV_LOG_FATAL, "Only video and audio filters supported "
 +               "currently.\n");
 +        exit_program(1);
 +    }
 +
 +    if (in->name) {
 +        AVFormatContext *s;
 +        AVStream       *st = NULL;
 +        char *p;
 +        int file_idx = strtol(in->name, &p, 0);
 +
 +        if (file_idx < 0 || file_idx >= nb_input_files) {
 +            av_log(NULL, AV_LOG_FATAL, "Invalid file index %d in filtergraph description %s.\n",
 +                   file_idx, fg->graph_desc);
 +            exit_program(1);
 +        }
 +        s = input_files[file_idx]->ctx;
 +
 +        for (i = 0; i < s->nb_streams; i++) {
 +            if (s->streams[i]->codec->codec_type != type)
 +                continue;
 +            if (check_stream_specifier(s, s->streams[i], *p == ':' ? p + 1 : p) == 1) {
 +                st = s->streams[i];
 +                break;
 +            }
 +        }
 +        if (!st) {
 +            av_log(NULL, AV_LOG_FATAL, "Stream specifier '%s' in filtergraph description %s "
 +                   "matches no streams.\n", p, fg->graph_desc);
 +            exit_program(1);
 +        }
 +        ist = input_streams[input_files[file_idx]->ist_index + st->index];
 +    } else {
 +        /* find the first unused stream of corresponding type */
 +        for (i = 0; i < nb_input_streams; i++) {
 +            ist = input_streams[i];
 +            if (ist->st->codec->codec_type == type && ist->discard)
 +                break;
 +        }
 +        if (i == nb_input_streams) {
 +            av_log(NULL, AV_LOG_FATAL, "Cannot find a matching stream for "
 +                   "unlabeled input pad %d on filter %s\n", in->pad_idx,
 +                   in->filter_ctx->name);
 +            exit_program(1);
 +        }
 +    }
++    av_assert0(ist);
++
 +    ist->discard         = 0;
 +    ist->decoding_needed = 1;
 +    ist->st->discard = AVDISCARD_NONE;
 +
 +    fg->inputs = grow_array(fg->inputs, sizeof(*fg->inputs),
 +                            &fg->nb_inputs, fg->nb_inputs + 1);
 +    if (!(fg->inputs[fg->nb_inputs - 1] = av_mallocz(sizeof(*fg->inputs[0]))))
 +        exit_program(1);
 +    fg->inputs[fg->nb_inputs - 1]->ist   = ist;
 +    fg->inputs[fg->nb_inputs - 1]->graph = fg;
 +
 +    ist->filters = grow_array(ist->filters, sizeof(*ist->filters),
 +                              &ist->nb_filters, ist->nb_filters + 1);
 +    ist->filters[ist->nb_filters - 1] = fg->inputs[fg->nb_inputs - 1];
 +}
 +
 +static int configure_output_video_filter(FilterGraph *fg, OutputFilter *ofilter, AVFilterInOut *out)
 +{
 +    char *pix_fmts;
 +    OutputStream *ost = ofilter->ost;
 +    AVCodecContext *codec = ost->st->codec;
 +    AVFilterContext *last_filter = out->filter_ctx;
 +    int pad_idx = out->pad_idx;
 +    int ret;
 +    char name[255];
 +    AVBufferSinkParams *buffersink_params = av_buffersink_params_alloc();
 +
 +    snprintf(name, sizeof(name), "output stream %d:%d", ost->file_index, ost->index);
 +    ret = avfilter_graph_create_filter(&ofilter->filter,
 +                                       avfilter_get_by_name("buffersink"),
 +                                       name, NULL, NULL/*buffersink_params*/, fg->graph);
 +    av_freep(&buffersink_params);
 +
 +    if (ret < 0)
 +        return ret;
 +
 +    if (codec->width || codec->height) {
 +        char args[255];
 +        AVFilterContext *filter;
 +
 +        snprintf(args, sizeof(args), "%d:%d:flags=0x%X",
 +                 codec->width,
 +                 codec->height,
 +                 (unsigned)ost->sws_flags);
 +        snprintf(name, sizeof(name), "scaler for output stream %d:%d",
 +                 ost->file_index, ost->index);
 +        if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
 +                                                name, args, NULL, fg->graph)) < 0)
 +            return ret;
 +        if ((ret = avfilter_link(last_filter, pad_idx, filter, 0)) < 0)
 +            return ret;
 +
 +        last_filter = filter;
 +        pad_idx = 0;
 +    }
 +
 +    if ((pix_fmts = choose_pix_fmts(ost))) {
 +        AVFilterContext *filter;
 +        snprintf(name, sizeof(name), "pixel format for output stream %d:%d",
 +                 ost->file_index, ost->index);
 +        if ((ret = avfilter_graph_create_filter(&filter,
 +                                                avfilter_get_by_name("format"),
 +                                                "format", pix_fmts, NULL,
 +                                                fg->graph)) < 0)
 +            return ret;
 +        if ((ret = avfilter_link(last_filter, pad_idx, filter, 0)) < 0)
 +            return ret;
 +
 +        last_filter = filter;
 +        pad_idx     = 0;
 +        av_freep(&pix_fmts);
 +    }
 +
 +    if (ost->frame_rate.num && 0) {
 +        AVFilterContext *fps;
 +        char args[255];
 +
 +        snprintf(args, sizeof(args), "fps=%d/%d", ost->frame_rate.num,
 +                 ost->frame_rate.den);
 +        snprintf(name, sizeof(name), "fps for output stream %d:%d",
 +                 ost->file_index, ost->index);
 +        ret = avfilter_graph_create_filter(&fps, avfilter_get_by_name("fps"),
 +                                           name, args, NULL, fg->graph);
 +        if (ret < 0)
 +            return ret;
 +
 +        ret = avfilter_link(last_filter, pad_idx, fps, 0);
 +        if (ret < 0)
 +            return ret;
 +        last_filter = fps;
 +        pad_idx = 0;
 +    }
 +
 +    if ((ret = avfilter_link(last_filter, pad_idx, ofilter->filter, 0)) < 0)
 +        return ret;
 +
 +    return 0;
 +}
 +
 +static int configure_output_audio_filter(FilterGraph *fg, OutputFilter *ofilter, AVFilterInOut *out)
 +{
 +    OutputStream *ost = ofilter->ost;
 +    AVCodecContext *codec  = ost->st->codec;
 +    AVFilterContext *last_filter = out->filter_ctx;
 +    int pad_idx = out->pad_idx;
 +    char *sample_fmts, *sample_rates, *channel_layouts;
 +    char name[255];
 +    int ret;
 +
 +
 +    snprintf(name, sizeof(name), "output stream %d:%d", ost->file_index, ost->index);
 +    ret = avfilter_graph_create_filter(&ofilter->filter,
 +                                       avfilter_get_by_name("abuffersink_old"),
 +                                       name, NULL, NULL, fg->graph);
 +    if (ret < 0)
 +        return ret;
 +
 +#define AUTO_INSERT_FILTER(opt_name, filter_name, arg) do {                 \
 +    AVFilterContext *filt_ctx;                                              \
 +                                                                            \
 +    av_log(NULL, AV_LOG_INFO, opt_name " is forwarded to lavfi "            \
 +           "similarly to -af " filter_name "=%s.\n", arg);                  \
 +                                                                            \
 +    ret = avfilter_graph_create_filter(&filt_ctx,                           \
 +                                       avfilter_get_by_name(filter_name),   \
 +                                       filter_name, arg, NULL, fg->graph);  \
 +    if (ret < 0)                                                            \
 +        return ret;                                                         \
 +                                                                            \
 +    ret = avfilter_link(last_filter, pad_idx, filt_ctx, 0);                 \
 +    if (ret < 0)                                                            \
 +        return ret;                                                         \
 +                                                                            \
 +    last_filter = filt_ctx;                                                 \
 +    pad_idx = 0;                                                            \
 +} while (0)
 +    if (ost->audio_channels_mapped) {
 +        int i;
 +        AVBPrint pan_buf;
 +        av_bprint_init(&pan_buf, 256, 8192);
 +        av_bprintf(&pan_buf, "0x%"PRIx64,
 +                   av_get_default_channel_layout(ost->audio_channels_mapped));
 +        for (i = 0; i < ost->audio_channels_mapped; i++)
 +            if (ost->audio_channels_map[i] != -1)
 +                av_bprintf(&pan_buf, ":c%d=c%d", i, ost->audio_channels_map[i]);
 +
 +        AUTO_INSERT_FILTER("-map_channel", "pan", pan_buf.str);
 +        av_bprint_finalize(&pan_buf, NULL);
 +    }
 +
 +    if (codec->channels && !codec->channel_layout)
 +        codec->channel_layout = av_get_default_channel_layout(codec->channels);
 +
 +    sample_fmts     = choose_sample_fmts(ost);
 +    sample_rates    = choose_sample_rates(ost);
 +    channel_layouts = choose_channel_layouts(ost);
 +    if (sample_fmts || sample_rates || channel_layouts) {
 +        AVFilterContext *format;
 +        char args[256];
 +        int len = 0;
 +
 +        if (sample_fmts)
 +            len += snprintf(args + len, sizeof(args) - len, "sample_fmts=%s:",
 +                            sample_fmts);
 +        if (sample_rates)
 +            len += snprintf(args + len, sizeof(args) - len, "sample_rates=%s:",
 +                            sample_rates);
 +        if (channel_layouts)
 +            len += snprintf(args + len, sizeof(args) - len, "channel_layouts=%s:",
 +                            channel_layouts);
 +        args[len - 1] = 0;
 +
 +        av_freep(&sample_fmts);
 +        av_freep(&sample_rates);
 +        av_freep(&channel_layouts);
 +
 +        snprintf(name, sizeof(name), "audio format for output stream %d:%d",
 +                 ost->file_index, ost->index);
 +        ret = avfilter_graph_create_filter(&format,
 +                                           avfilter_get_by_name("aformat"),
 +                                           name, args, NULL, fg->graph);
 +        if (ret < 0)
 +            return ret;
 +
 +        ret = avfilter_link(last_filter, pad_idx, format, 0);
 +        if (ret < 0)
 +            return ret;
 +
 +        last_filter = format;
 +        pad_idx = 0;
 +    }
 +
 +    if (audio_volume != 256 && 0) {
 +        char args[256];
 +
 +        snprintf(args, sizeof(args), "%f", audio_volume / 256.);
 +        AUTO_INSERT_FILTER("-vol", "volume", args);
 +    }
 +
 +    if ((ret = avfilter_link(last_filter, pad_idx, ofilter->filter, 0)) < 0)
 +        return ret;
 +
 +    return 0;
 +}
 +
 +#define DESCRIBE_FILTER_LINK(f, inout, in)                         \
 +{                                                                  \
 +    AVFilterContext *ctx = inout->filter_ctx;                      \
 +    AVFilterPad *pads = in ? ctx->input_pads  : ctx->output_pads;  \
 +    int       nb_pads = in ? ctx->input_count : ctx->output_count; \
 +    AVIOContext *pb;                                               \
 +                                                                   \
 +    if (avio_open_dyn_buf(&pb) < 0)                                \
 +        exit_program(1);                                           \
 +                                                                   \
 +    avio_printf(pb, "%s", ctx->filter->name);                      \
 +    if (nb_pads > 1)                                               \
 +        avio_printf(pb, ":%s", avfilter_pad_get_name(pads, inout->pad_idx));\
 +    avio_w8(pb, 0);                                                \
 +    avio_close_dyn_buf(pb, &f->name);                              \
 +}
 +
 +static int configure_output_filter(FilterGraph *fg, OutputFilter *ofilter, AVFilterInOut *out)
 +{
 +    av_freep(&ofilter->name);
 +    DESCRIBE_FILTER_LINK(ofilter, out, 0);
 +
 +    switch (avfilter_pad_get_type(out->filter_ctx->output_pads, out->pad_idx)) {
 +    case AVMEDIA_TYPE_VIDEO: return configure_output_video_filter(fg, ofilter, out);
 +    case AVMEDIA_TYPE_AUDIO: return configure_output_audio_filter(fg, ofilter, out);
 +    default: av_assert0(0);
 +    }
 +}
 +
 +static int configure_input_video_filter(FilterGraph *fg, InputFilter *ifilter,
 +                                        AVFilterInOut *in)
 +{
 +    AVFilterContext *first_filter = in->filter_ctx;
 +    AVFilter *filter = avfilter_get_by_name("buffer");
 +    InputStream *ist = ifilter->ist;
 +    AVRational tb = ist->framerate.num ? (AVRational){ist->framerate.den,
 +                                                      ist->framerate.num} :
 +                                         ist->st->time_base;
 +    AVRational fr = ist->framerate.num ? ist->framerate :
 +                                         ist->st->r_frame_rate;
 +    AVRational sar;
 +    AVBPrint args;
 +    char name[255];
 +    int pad_idx = in->pad_idx;
 +    int ret;
 +
 +    sar = ist->st->sample_aspect_ratio.num ?
 +          ist->st->sample_aspect_ratio :
 +          ist->st->codec->sample_aspect_ratio;
 +    if(!sar.den)
 +        sar = (AVRational){0,1};
 +    av_bprint_init(&args, 0, 1);
 +    av_bprintf(&args,
 +             "video_size=%dx%d:pix_fmt=%d:time_base=%d/%d:"
 +             "pixel_aspect=%d/%d:sws_param=flags=%d", ist->st->codec->width,
 +             ist->st->codec->height, ist->st->codec->pix_fmt,
 +             tb.num, tb.den, sar.num, sar.den,
 +             SWS_BILINEAR + ((ist->st->codec->flags&CODEC_FLAG_BITEXACT) ? SWS_BITEXACT:0));
 +    if (fr.num && fr.den)
 +        av_bprintf(&args, ":frame_rate=%d/%d", fr.num, fr.den);
 +    snprintf(name, sizeof(name), "graph %d input from stream %d:%d", fg->index,
 +             ist->file_index, ist->st->index);
 +
 +    if ((ret = avfilter_graph_create_filter(&ifilter->filter, filter, name,
 +                                            args.str, NULL, fg->graph)) < 0)
 +        return ret;
 +
 +    if (ist->framerate.num) {
 +        AVFilterContext *setpts;
 +
 +        snprintf(name, sizeof(name), "force CFR for input from stream %d:%d",
 +                 ist->file_index, ist->st->index);
 +        if ((ret = avfilter_graph_create_filter(&setpts,
 +                                                avfilter_get_by_name("setpts"),
 +                                                name, "N", NULL,
 +                                                fg->graph)) < 0)
 +            return ret;
 +
 +        if ((ret = avfilter_link(setpts, 0, first_filter, pad_idx)) < 0)
 +            return ret;
 +
 +        first_filter = setpts;
 +        pad_idx = 0;
 +    }
 +
 +    if ((ret = avfilter_link(ifilter->filter, 0, first_filter, pad_idx)) < 0)
 +        return ret;
 +    return 0;
 +}
 +
 +static int configure_input_audio_filter(FilterGraph *fg, InputFilter *ifilter,
 +                                        AVFilterInOut *in)
 +{
 +    AVFilterContext *first_filter = in->filter_ctx;
 +    AVFilter *filter = avfilter_get_by_name("abuffer");
 +    InputStream *ist = ifilter->ist;
 +    int pad_idx = in->pad_idx;
 +    char args[255], name[255];
 +    int ret;
 +
 +    snprintf(args, sizeof(args), "time_base=%d/%d:sample_rate=%d:sample_fmt=%s"
 +             ":channel_layout=0x%"PRIx64,
 +             ist->st->time_base.num, ist->st->time_base.den,
 +             ist->st->codec->sample_rate,
 +             av_get_sample_fmt_name(ist->st->codec->sample_fmt),
 +             ist->st->codec->channel_layout);
 +    snprintf(name, sizeof(name), "graph %d input from stream %d:%d", fg->index,
 +             ist->file_index, ist->st->index);
 +
 +    if ((ret = avfilter_graph_create_filter(&ifilter->filter, filter,
 +                                            name, args, NULL,
 +                                            fg->graph)) < 0)
 +        return ret;
 +
 +#define AUTO_INSERT_FILTER_INPUT(opt_name, filter_name, arg) do {                 \
 +    AVFilterContext *filt_ctx;                                              \
 +                                                                            \
 +    av_log(NULL, AV_LOG_INFO, opt_name " is forwarded to lavfi "            \
 +           "similarly to -af " filter_name "=%s.\n", arg);                  \
 +                                                                            \
 +    snprintf(name, sizeof(name), "graph %d %s for input stream %d:%d",      \
 +                fg->index, filter_name, ist->file_index, ist->st->index);   \
 +    ret = avfilter_graph_create_filter(&filt_ctx,                           \
 +                                       avfilter_get_by_name(filter_name),   \
 +                                       name, arg, NULL, fg->graph);         \
 +    if (ret < 0)                                                            \
 +        return ret;                                                         \
 +                                                                            \
 +    ret = avfilter_link(filt_ctx, 0, first_filter, pad_idx);                \
 +    if (ret < 0)                                                            \
 +        return ret;                                                         \
 +                                                                            \
 +    first_filter = filt_ctx;                                                  \
 +} while (0)
 +
 +    if (audio_sync_method > 0) {
 +        char args[256] = {0};
 +
 +        av_strlcatf(args, sizeof(args), "min_comp=0.001:min_hard_comp=%f", audio_drift_threshold);
 +        if (audio_sync_method > 1)
 +            av_strlcatf(args, sizeof(args), ":max_soft_comp=%f", audio_sync_method/(double)ist->st->codec->sample_rate);
 +        AUTO_INSERT_FILTER_INPUT("-async", "aresample", args);
 +    }
 +
 +//     if (ost->audio_channels_mapped) {
 +//         int i;
 +//         AVBPrint pan_buf;
 +//         av_bprint_init(&pan_buf, 256, 8192);
 +//         av_bprintf(&pan_buf, "0x%"PRIx64,
 +//                    av_get_default_channel_layout(ost->audio_channels_mapped));
 +//         for (i = 0; i < ost->audio_channels_mapped; i++)
 +//             if (ost->audio_channels_map[i] != -1)
 +//                 av_bprintf(&pan_buf, ":c%d=c%d", i, ost->audio_channels_map[i]);
 +//         AUTO_INSERT_FILTER_INPUT("-map_channel", "pan", pan_buf.str);
 +//         av_bprint_finalize(&pan_buf, NULL);
 +//     }
 +
 +    if (audio_volume != 256) {
 +        char args[256];
 +
 +        snprintf(args, sizeof(args), "%f", audio_volume / 256.);
 +        AUTO_INSERT_FILTER_INPUT("-vol", "volume", args);
 +    }
 +    if ((ret = avfilter_link(ifilter->filter, 0, first_filter, pad_idx)) < 0)
 +        return ret;
 +
 +    return 0;
 +}
 +
 +static int configure_input_filter(FilterGraph *fg, InputFilter *ifilter,
 +                                  AVFilterInOut *in)
 +{
 +    av_freep(&ifilter->name);
 +    DESCRIBE_FILTER_LINK(ifilter, in, 1);
 +
 +    switch (avfilter_pad_get_type(in->filter_ctx->input_pads, in->pad_idx)) {
 +    case AVMEDIA_TYPE_VIDEO: return configure_input_video_filter(fg, ifilter, in);
 +    case AVMEDIA_TYPE_AUDIO: return configure_input_audio_filter(fg, ifilter, in);
 +    default: av_assert0(0);
 +    }
 +}
 +
 +static int configure_filtergraph(FilterGraph *fg)
 +{
 +    AVFilterInOut *inputs, *outputs, *cur;
 +    int ret, i, init = !fg->graph, simple = !fg->graph_desc;
 +    const char *graph_desc = simple ? fg->outputs[0]->ost->avfilter :
 +                                      fg->graph_desc;
 +
 +    avfilter_graph_free(&fg->graph);
 +    if (!(fg->graph = avfilter_graph_alloc()))
 +        return AVERROR(ENOMEM);
 +
 +    if (simple) {
 +        OutputStream *ost = fg->outputs[0]->ost;
 +        char args[255];
 +        snprintf(args, sizeof(args), "flags=0x%X", (unsigned)ost->sws_flags);
 +        fg->graph->scale_sws_opts = av_strdup(args);
 +    }
 +
 +    if ((ret = avfilter_graph_parse2(fg->graph, graph_desc, &inputs, &outputs)) < 0)
 +        return ret;
 +
 +    if (simple && (!inputs || inputs->next || !outputs || outputs->next)) {
 +        av_log(NULL, AV_LOG_ERROR, "Simple filtergraph '%s' does not have "
 +               "exactly one input and output.\n", graph_desc);
 +        return AVERROR(EINVAL);
 +    }
 +
 +    for (cur = inputs; !simple && init && cur; cur = cur->next)
 +        init_input_filter(fg, cur);
 +
 +    for (cur = inputs, i = 0; cur; cur = cur->next, i++)
 +        if ((ret = configure_input_filter(fg, fg->inputs[i], cur)) < 0)
 +            return ret;
 +    avfilter_inout_free(&inputs);
 +
 +    if (!init || simple) {
 +        /* we already know the mappings between lavfi outputs and output streams,
 +         * so we can finish the setup */
 +        for (cur = outputs, i = 0; cur; cur = cur->next, i++)
 +            configure_output_filter(fg, fg->outputs[i], cur);
 +        avfilter_inout_free(&outputs);
 +
 +        if ((ret = avfilter_graph_config(fg->graph, NULL)) < 0)
 +            return ret;
 +    } else {
 +        /* wait until output mappings are processed */
 +        for (cur = outputs; cur;) {
 +            fg->outputs = grow_array(fg->outputs, sizeof(*fg->outputs),
 +                                     &fg->nb_outputs, fg->nb_outputs + 1);
 +            if (!(fg->outputs[fg->nb_outputs - 1] = av_mallocz(sizeof(*fg->outputs[0]))))
 +                exit_program(1);
 +            fg->outputs[fg->nb_outputs - 1]->graph   = fg;
 +            fg->outputs[fg->nb_outputs - 1]->out_tmp = cur;
 +            cur = cur->next;
 +            fg->outputs[fg->nb_outputs - 1]->out_tmp->next = NULL;
 +        }
 +    }
 +
 +    return 0;
 +}
 +
 +static int configure_complex_filters(void)
 +{
 +    int i, ret = 0;
 +
 +    for (i = 0; i < nb_filtergraphs; i++)
 +        if (!filtergraphs[i]->graph &&
 +            (ret = configure_filtergraph(filtergraphs[i])) < 0)
 +            return ret;
 +    return 0;
 +}
 +
 +static int ist_in_filtergraph(FilterGraph *fg, InputStream *ist)
 +{
 +    int i;
 +    for (i = 0; i < fg->nb_inputs; i++)
 +        if (fg->inputs[i]->ist == ist)
 +            return 1;
 +    return 0;
 +}
 +
 +static void term_exit(void)
 +{
 +    av_log(NULL, AV_LOG_QUIET, "%s", "");
 +#if HAVE_TERMIOS_H
 +    if(restore_tty)
 +        tcsetattr (0, TCSANOW, &oldtty);
 +#endif
 +}
 +
 +static volatile int received_sigterm = 0;
 +
 +static void sigterm_handler(int sig)
 +{
 +    received_sigterm = sig;
 +    received_nb_signals++;
 +    term_exit();
 +    if(received_nb_signals > 3)
 +        exit(123);
 +}
 +
 +static void term_init(void)
 +{
 +#if HAVE_TERMIOS_H
 +    if(!run_as_daemon){
 +        struct termios tty;
 +        int istty = 1;
 +#if HAVE_ISATTY
 +        istty = isatty(0) && isatty(2);
 +#endif
 +        if (istty && tcgetattr (0, &tty) == 0) {
 +            oldtty = tty;
 +            restore_tty = 1;
 +            atexit(term_exit);
 +
 +            tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
 +                             |INLCR|IGNCR|ICRNL|IXON);
 +            tty.c_oflag |= OPOST;
 +            tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
 +            tty.c_cflag &= ~(CSIZE|PARENB);
 +            tty.c_cflag |= CS8;
 +            tty.c_cc[VMIN] = 1;
 +            tty.c_cc[VTIME] = 0;
 +
 +            tcsetattr (0, TCSANOW, &tty);
 +        }
 +        signal(SIGQUIT, sigterm_handler); /* Quit (POSIX).  */
 +    }
 +#endif
 +    avformat_network_deinit();
 +
 +    signal(SIGINT , sigterm_handler); /* Interrupt (ANSI).    */
 +    signal(SIGTERM, sigterm_handler); /* Termination (ANSI).  */
 +#ifdef SIGXCPU
 +    signal(SIGXCPU, sigterm_handler);
 +#endif
 +}
 +
 +/* read a key without blocking */
 +static int read_key(void)
 +{
 +    unsigned char ch;
 +#if HAVE_TERMIOS_H
 +    int n = 1;
 +    struct timeval tv;
 +    fd_set rfds;
 +
 +    FD_ZERO(&rfds);
 +    FD_SET(0, &rfds);
 +    tv.tv_sec = 0;
 +    tv.tv_usec = 0;
 +    n = select(1, &rfds, NULL, NULL, &tv);
 +    if (n > 0) {
 +        n = read(0, &ch, 1);
 +        if (n == 1)
 +            return ch;
 +
 +        return n;
 +    }
 +#elif HAVE_KBHIT
 +#    if HAVE_PEEKNAMEDPIPE
 +    static int is_pipe;
 +    static HANDLE input_handle;
 +    DWORD dw, nchars;
 +    if(!input_handle){
 +        input_handle = GetStdHandle(STD_INPUT_HANDLE);
 +        is_pipe = !GetConsoleMode(input_handle, &dw);
 +    }
 +
 +    if (stdin->_cnt > 0) {
 +        read(0, &ch, 1);
 +        return ch;
 +    }
 +    if (is_pipe) {
 +        /* When running under a GUI, you will end here. */
 +        if (!PeekNamedPipe(input_handle, NULL, 0, NULL, &nchars, NULL))
 +            return -1;
 +        //Read it
 +        if(nchars != 0) {
 +            read(0, &ch, 1);
 +            return ch;
 +        }else{
 +            return -1;
 +        }
 +    }
 +#    endif
 +    if(kbhit())
 +        return(getch());
 +#endif
 +    return -1;
 +}
 +
 +static int decode_interrupt_cb(void *ctx)
 +{
 +    return received_nb_signals > 1;
 +}
 +
 +static const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL };
 +
 +void av_noreturn exit_program(int ret)
 +{
 +    int i, j;
 +
 +    for (i = 0; i < nb_filtergraphs; i++) {
 +        avfilter_graph_free(&filtergraphs[i]->graph);
 +        for (j = 0; j < filtergraphs[i]->nb_inputs; j++) {
 +            av_freep(&filtergraphs[i]->inputs[j]->name);
 +            av_freep(&filtergraphs[i]->inputs[j]);
 +        }
 +        av_freep(&filtergraphs[i]->inputs);
 +        for (j = 0; j < filtergraphs[i]->nb_outputs; j++) {
 +            av_freep(&filtergraphs[i]->outputs[j]->name);
 +            av_freep(&filtergraphs[i]->outputs[j]);
 +        }
 +        av_freep(&filtergraphs[i]->outputs);
 +        av_freep(&filtergraphs[i]);
 +    }
 +    av_freep(&filtergraphs);
 +
 +    /* close files */
 +    for (i = 0; i < nb_output_files; i++) {
 +        AVFormatContext *s = output_files[i]->ctx;
 +        if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
 +            avio_close(s->pb);
 +        avformat_free_context(s);
 +        av_dict_free(&output_files[i]->opts);
 +        av_freep(&output_files[i]);
 +    }
 +    for (i = 0; i < nb_output_streams; i++) {
 +        AVBitStreamFilterContext *bsfc = output_streams[i]->bitstream_filters;
 +        while (bsfc) {
 +            AVBitStreamFilterContext *next = bsfc->next;
 +            av_bitstream_filter_close(bsfc);
 +            bsfc = next;
 +        }
 +        output_streams[i]->bitstream_filters = NULL;
 +
 +        av_freep(&output_streams[i]->forced_keyframes);
 +        av_freep(&output_streams[i]->filtered_frame);
 +        av_freep(&output_streams[i]->avfilter);
 +        av_freep(&output_streams[i]);
 +    }
 +    for (i = 0; i < nb_input_files; i++) {
 +        avformat_close_input(&input_files[i]->ctx);
 +        av_freep(&input_files[i]);
 +    }
 +    for (i = 0; i < nb_input_streams; i++) {
 +        av_freep(&input_streams[i]->decoded_frame);
 +        av_dict_free(&input_streams[i]->opts);
 +        free_buffer_pool(&input_streams[i]->buffer_pool);
 +        av_freep(&input_streams[i]->filters);
 +        av_freep(&input_streams[i]);
 +    }
 +
 +    if (vstats_file)
 +        fclose(vstats_file);
 +    av_free(vstats_filename);
 +
 +    av_freep(&input_streams);
 +    av_freep(&input_files);
 +    av_freep(&output_streams);
 +    av_freep(&output_files);
 +
 +    uninit_opts();
 +
 +    avfilter_uninit();
 +    avformat_network_deinit();
 +
 +    if (received_sigterm) {
 +        av_log(NULL, AV_LOG_INFO, "Received signal %d: terminating.\n",
 +               (int) received_sigterm);
 +        exit (255);
 +    }
 +
 +    exit(ret);
 +}
 +
 +static void assert_avoptions(AVDictionary *m)
 +{
 +    AVDictionaryEntry *t;
 +    if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
 +        av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key);
 +        exit_program(1);
 +    }
 +}
 +
 +static void assert_codec_experimental(AVCodecContext *c, int encoder)
 +{
 +    const char *codec_string = encoder ? "encoder" : "decoder";
 +    AVCodec *codec;
 +    if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
 +        c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
 +        av_log(NULL, AV_LOG_FATAL, "%s '%s' is experimental and might produce bad "
 +                "results.\nAdd '-strict experimental' if you want to use it.\n",
 +                codec_string, c->codec->name);
 +        codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
 +        if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
 +            av_log(NULL, AV_LOG_FATAL, "Or use the non experimental %s '%s'.\n",
 +                   codec_string, codec->name);
 +        exit_program(1);
 +    }
 +}
 +
 +static void choose_sample_fmt(AVStream *st, AVCodec *codec)
 +{
 +    if (codec && codec->sample_fmts) {
 +        const enum AVSampleFormat *p = codec->sample_fmts;
 +        for (; *p != -1; p++) {
 +            if (*p == st->codec->sample_fmt)
 +                break;
 +        }
 +        if (*p == -1) {
 +            if((codec->capabilities & CODEC_CAP_LOSSLESS) && av_get_sample_fmt_name(st->codec->sample_fmt) > av_get_sample_fmt_name(codec->sample_fmts[0]))
 +                av_log(NULL, AV_LOG_ERROR, "Conversion will not be lossless.\n");
 +            if(av_get_sample_fmt_name(st->codec->sample_fmt))
 +            av_log(NULL, AV_LOG_WARNING,
 +                   "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
 +                   av_get_sample_fmt_name(st->codec->sample_fmt),
 +                   codec->name,
 +                   av_get_sample_fmt_name(codec->sample_fmts[0]));
 +            st->codec->sample_fmt = codec->sample_fmts[0];
 +        }
 +    }
 +}
 +
 +static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
 +{
 +    AVBitStreamFilterContext *bsfc = ost->bitstream_filters;
 +    AVCodecContext          *avctx = ost->st->codec;
 +    int ret;
 +
 +    if ((avctx->codec_type == AVMEDIA_TYPE_VIDEO && video_sync_method == VSYNC_DROP) ||
 +        (avctx->codec_type == AVMEDIA_TYPE_AUDIO && audio_sync_method < 0))
 +        pkt->pts = pkt->dts = AV_NOPTS_VALUE;
 +
 +    if (avctx->codec_type == AVMEDIA_TYPE_AUDIO && pkt->dts != AV_NOPTS_VALUE) {
 +        int64_t max = ost->st->cur_dts + !(s->oformat->flags & AVFMT_TS_NONSTRICT);
 +        if (ost->st->cur_dts && ost->st->cur_dts != AV_NOPTS_VALUE &&  max > pkt->dts) {
 +            av_log(s, max - pkt->dts > 2 ? AV_LOG_WARNING : AV_LOG_DEBUG, "Audio timestamp %"PRId64" < %"PRId64" invalid, cliping\n", pkt->dts, max);
 +            pkt->pts = pkt->dts = max;
 +        }
 +    }
 +
 +    /*
 +     * Audio encoders may split the packets --  #frames in != #packets out.
 +     * But there is no reordering, so we can limit the number of output packets
 +     * by simply dropping them here.
 +     * Counting encoded video frames needs to be done separately because of
 +     * reordering, see do_video_out()
 +     */
 +    if (!(avctx->codec_type == AVMEDIA_TYPE_VIDEO && avctx->codec)) {
 +        if (ost->frame_number >= ost->max_frames) {
 +            av_free_packet(pkt);
 +            return;
 +        }
 +        ost->frame_number++;
 +    }
 +
 +    while (bsfc) {
 +        AVPacket new_pkt = *pkt;
 +        int a = av_bitstream_filter_filter(bsfc, avctx, NULL,
 +                                           &new_pkt.data, &new_pkt.size,
 +                                           pkt->data, pkt->size,
 +                                           pkt->flags & AV_PKT_FLAG_KEY);
 +        if (a > 0) {
 +            av_free_packet(pkt);
 +            new_pkt.destruct = av_destruct_packet;
 +        } else if (a < 0) {
 +            av_log(NULL, AV_LOG_ERROR, "Failed to open bitstream filter %s for stream %d with codec %s",
 +                   bsfc->filter->name, pkt->stream_index,
 +                   avctx->codec ? avctx->codec->name : "copy");
 +            print_error("", a);
 +            if (exit_on_error)
 +                exit_program(1);
 +        }
 +        *pkt = new_pkt;
 +
 +        bsfc = bsfc->next;
 +    }
 +
 +    pkt->stream_index = ost->index;
 +    ret = av_interleaved_write_frame(s, pkt);
 +    if (ret < 0) {
 +        print_error("av_interleaved_write_frame()", ret);
 +        exit_program(1);
 +    }
 +}
 +
 +static int check_recording_time(OutputStream *ost)
 +{
 +    OutputFile *of = output_files[ost->file_index];
 +
 +    if (of->recording_time != INT64_MAX &&
 +        av_compare_ts(ost->sync_opts - ost->first_pts, ost->st->codec->time_base, of->recording_time,
 +                      AV_TIME_BASE_Q) >= 0) {
 +        ost->is_past_recording_time = 1;
 +        return 0;
 +    }
 +    return 1;
 +}
 +
 +static void do_audio_out(AVFormatContext *s, OutputStream *ost,
 +                         AVFrame *frame)
 +{
 +    AVCodecContext *enc = ost->st->codec;
 +    AVPacket pkt;
 +    int got_packet = 0;
 +
 +    av_init_packet(&pkt);
 +    pkt.data = NULL;
 +    pkt.size = 0;
 +#if 0
 +    if (!check_recording_time(ost))
 +        return;
 +#endif
 +    if (frame->pts == AV_NOPTS_VALUE || audio_sync_method < 0)
 +        frame->pts = ost->sync_opts;
 +    ost->sync_opts = frame->pts + frame->nb_samples;
 +
 +    av_assert0(pkt.size || !pkt.data);
 +    update_benchmark(NULL);
 +    if (avcodec_encode_audio2(enc, &pkt, frame, &got_packet) < 0) {
 +        av_log(NULL, AV_LOG_FATAL, "Audio encoding failed (avcodec_encode_audio2)\n");
 +        exit_program(1);
 +    }
 +    update_benchmark("encode_audio %d.%d", ost->file_index, ost->index);
 +
 +    if (got_packet) {
 +        if (pkt.pts != AV_NOPTS_VALUE)
 +            pkt.pts      = av_rescale_q(pkt.pts,      enc->time_base, ost->st->time_base);
 +        if (pkt.dts != AV_NOPTS_VALUE)
 +            pkt.dts      = av_rescale_q(pkt.dts,      enc->time_base, ost->st->time_base);
 +        if (pkt.duration > 0)
 +            pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base);
 +
 +        if (debug_ts) {
 +            av_log(NULL, AV_LOG_INFO, "encoder -> type:audio "
 +                   "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
 +                   av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
 +                   av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
 +        }
 +
 +        write_frame(s, &pkt, ost);
 +
 +        audio_size += pkt.size;
 +        av_free_packet(&pkt);
 +    }
 +}
 +
 +static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
 +{
 +    AVCodecContext *dec;
 +    AVPicture *picture2;
 +    AVPicture picture_tmp;
 +    uint8_t *buf = 0;
 +
 +    dec = ist->st->codec;
 +
 +    /* deinterlace : must be done before any resize */
 +    if (do_deinterlace) {
 +        int size;
 +
 +        /* create temporary picture */
 +        size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
 +        buf  = av_malloc(size);
 +        if (!buf)
 +            return;
 +
 +        picture2 = &picture_tmp;
 +        avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
 +
 +        if (avpicture_deinterlace(picture2, picture,
 +                                 dec->pix_fmt, dec->width, dec->height) < 0) {
 +            /* if error, do not deinterlace */
 +            av_log(NULL, AV_LOG_WARNING, "Deinterlacing failed\n");
 +            av_free(buf);
 +            buf = NULL;
 +            picture2 = picture;
 +        }
 +    } else {
 +        picture2 = picture;
 +    }
 +
 +    if (picture != picture2)
 +        *picture = *picture2;
 +    *bufp = buf;
 +}
 +
 +static void do_subtitle_out(AVFormatContext *s,
 +                            OutputStream *ost,
 +                            InputStream *ist,
 +                            AVSubtitle *sub,
 +                            int64_t pts)
 +{
 +    static uint8_t *subtitle_out = NULL;
 +    int subtitle_out_max_size = 1024 * 1024;
 +    int subtitle_out_size, nb, i;
 +    AVCodecContext *enc;
 +    AVPacket pkt;
 +
 +    if (pts == AV_NOPTS_VALUE) {
 +        av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
 +        if (exit_on_error)
 +            exit_program(1);
 +        return;
 +    }
 +
 +    enc = ost->st->codec;
 +
 +    if (!subtitle_out) {
 +        subtitle_out = av_malloc(subtitle_out_max_size);
 +    }
 +
 +    /* Note: DVB subtitle need one packet to draw them and one other
 +       packet to clear them */
 +    /* XXX: signal it in the codec context ? */
 +    if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
 +        nb = 2;
 +    else
 +        nb = 1;
 +
 +    for (i = 0; i < nb; i++) {
 +        ost->sync_opts = av_rescale_q(pts, ist->st->time_base, enc->time_base);
 +
 +        sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
 +        // start_display_time is required to be 0
 +        sub->pts               += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q);
 +        sub->end_display_time  -= sub->start_display_time;
 +        sub->start_display_time = 0;
 +        subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
 +                                                    subtitle_out_max_size, sub);
 +        if (subtitle_out_size < 0) {
 +            av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
 +            exit_program(1);
 +        }
 +
 +        av_init_packet(&pkt);
 +        pkt.data = subtitle_out;
 +        pkt.size = subtitle_out_size;
 +        pkt.pts  = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
 +        pkt.duration = av_rescale_q(sub->end_display_time, (AVRational){ 1, 1000 }, ost->st->time_base);
 +        if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
 +            /* XXX: the pts correction is handled here. Maybe handling
 +               it in the codec would be better */
 +            if (i == 0)
 +                pkt.pts += 90 * sub->start_display_time;
 +            else
 +                pkt.pts += 90 * sub->end_display_time;
 +        }
 +        write_frame(s, &pkt, ost);
 +        subtitle_size += pkt.size;
 +    }
 +}
 +
 +static void do_video_out(AVFormatContext *s,
 +                         OutputStream *ost,
 +                         AVFrame *in_picture,
 +                         float quality)
 +{
 +    int ret, format_video_sync;
 +    AVPacket pkt;
 +    AVCodecContext *enc = ost->st->codec;
 +    int nb_frames;
 +    double sync_ipts, delta;
 +    double duration = 0;
 +    int frame_size = 0;
 +    InputStream *ist = NULL;
 +
 +    if (ost->source_index >= 0)
 +        ist = input_streams[ost->source_index];
 +
 +    if(ist && ist->st->start_time != AV_NOPTS_VALUE && ist->st->first_dts != AV_NOPTS_VALUE && ost->frame_rate.num)
 +        duration = 1/(av_q2d(ost->frame_rate) * av_q2d(enc->time_base));
 +
 +    sync_ipts = in_picture->pts;
 +    delta = sync_ipts - ost->sync_opts + duration;
 +
 +    /* by default, we output a single frame */
 +    nb_frames = 1;
 +
 +    format_video_sync = video_sync_method;
 +    if (format_video_sync == VSYNC_AUTO)
 +        format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? ((s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH : VSYNC_VFR) : 1;
 +
 +    switch (format_video_sync) {
 +    case VSYNC_CFR:
 +        // FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
 +        if (delta < -1.1)
 +            nb_frames = 0;
 +        else if (delta > 1.1)
 +            nb_frames = lrintf(delta);
 +        break;
 +    case VSYNC_VFR:
 +        if (delta <= -0.6)
 +            nb_frames = 0;
 +        else if (delta > 0.6)
 +            ost->sync_opts = lrint(sync_ipts);
 +        break;
 +    case VSYNC_DROP:
 +    case VSYNC_PASSTHROUGH:
 +        ost->sync_opts = lrint(sync_ipts);
 +        break;
 +    default:
 +        av_assert0(0);
 +    }
 +
 +    nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
 +    if (nb_frames == 0) {
 +        nb_frames_drop++;
 +        av_log(NULL, AV_LOG_VERBOSE, "*** drop!\n");
 +        return;
 +    } else if (nb_frames > 1) {
 +        nb_frames_dup += nb_frames - 1;
 +        av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames - 1);
 +    }
 +
 +
 +duplicate_frame:
 +    av_init_packet(&pkt);
 +    pkt.data = NULL;
 +    pkt.size = 0;
 +
 +    in_picture->pts = ost->sync_opts;
 +
 +    if (s->oformat->flags & AVFMT_RAWPICTURE &&
 +        enc->codec->id == CODEC_ID_RAWVIDEO) {
 +        /* raw pictures are written as AVPicture structure to
 +           avoid any copies. We support temporarily the older
 +           method. */
 +        enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
 +        enc->coded_frame->top_field_first  = in_picture->top_field_first;
 +        pkt.data   = (uint8_t *)in_picture;
 +        pkt.size   =  sizeof(AVPicture);
 +        pkt.pts    = av_rescale_q(in_picture->pts, enc->time_base, ost->st->time_base);
 +        pkt.flags |= AV_PKT_FLAG_KEY;
 +
 +        write_frame(s, &pkt, ost);
 +        video_size += pkt.size;
 +    } else {
 +        int got_packet;
 +        AVFrame big_picture;
 +
 +        big_picture = *in_picture;
 +        /* better than nothing: use input picture interlaced
 +           settings */
 +        big_picture.interlaced_frame = in_picture->interlaced_frame;
 +        if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
 +            if (ost->top_field_first == -1)
 +                big_picture.top_field_first = in_picture->top_field_first;
 +            else
 +                big_picture.top_field_first = !!ost->top_field_first;
 +        }
 +
 +        /* handles same_quant here. This is not correct because it may
 +           not be a global option */
 +        big_picture.quality = quality;
 +        if (!enc->me_threshold)
 +            big_picture.pict_type = 0;
 +        if (ost->forced_kf_index < ost->forced_kf_count &&
 +            big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
 +            big_picture.pict_type = AV_PICTURE_TYPE_I;
 +            ost->forced_kf_index++;
 +        }
 +        update_benchmark(NULL);
 +        ret = avcodec_encode_video2(enc, &pkt, &big_picture, &got_packet);
 +        update_benchmark("encode_video %d.%d", ost->file_index, ost->index);
 +        if (ret < 0) {
 +            av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
 +            exit_program(1);
 +        }
 +
 +        if (got_packet) {
 +            if (pkt.pts == AV_NOPTS_VALUE && !(enc->codec->capabilities & CODEC_CAP_DELAY))
 +                pkt.pts = ost->sync_opts;
 +
 +            if (pkt.pts != AV_NOPTS_VALUE)
 +                pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
 +            if (pkt.dts != AV_NOPTS_VALUE)
 +                pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
 +
 +            if (debug_ts) {
 +                av_log(NULL, AV_LOG_INFO, "encoder -> type:video "
 +                    "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
 +                    av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
 +                    av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
 +            }
 +
 +            write_frame(s, &pkt, ost);
 +            frame_size = pkt.size;
 +            video_size += pkt.size;
 +            av_free_packet(&pkt);
 +
 +            /* if two pass, output log */
 +            if (ost->logfile && enc->stats_out) {
 +                fprintf(ost->logfile, "%s", enc->stats_out);
 +            }
 +        }
 +    }
 +    ost->sync_opts++;
 +    /*
 +     * For video, number of frames in == number of packets out.
 +     * But there may be reordering, so we can't throw away frames on encoder
 +     * flush, we need to limit them here, before they go into encoder.
 +     */
 +    ost->frame_number++;
 +
 +    if(--nb_frames)
 +        goto duplicate_frame;
 +
 +    if (vstats_filename && frame_size)
 +        do_video_stats(output_files[ost->file_index]->ctx, ost, frame_size);
 +}
 +
 +static double psnr(double d)
 +{
 +    return -10.0 * log(d) / log(10.0);
 +}
 +
 +static void do_video_stats(AVFormatContext *os, OutputStream *ost,
 +                           int frame_size)
 +{
 +    AVCodecContext *enc;
 +    int frame_number;
 +    double ti1, bitrate, avg_bitrate;
 +
 +    /* this is executed just the first time do_video_stats is called */
 +    if (!vstats_file) {
 +        vstats_file = fopen(vstats_filename, "w");
 +        if (!vstats_file) {
 +            perror("fopen");
 +            exit_program(1);
 +        }
 +    }
 +
 +    enc = ost->st->codec;
 +    if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
 +        frame_number = ost->frame_number;
 +        fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality / (float)FF_QP2LAMBDA);
 +        if (enc->flags&CODEC_FLAG_PSNR)
 +            fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
 +
 +        fprintf(vstats_file,"f_size= %6d ", frame_size);
 +        /* compute pts value */
 +        ti1 = ost->sync_opts * av_q2d(enc->time_base);
 +        if (ti1 < 0.01)
 +            ti1 = 0.01;
 +
 +        bitrate     = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
 +        avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
 +        fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
 +               (double)video_size / 1024, ti1, bitrate, avg_bitrate);
 +        fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
 +    }
 +}
 +
 +/* check for new output on any of the filtergraphs */
 +static int poll_filters(void)
 +{
 +    AVFilterBufferRef *picref;
 +    AVFrame *filtered_frame = NULL;
 +    int i, ret, ret_all;
 +    unsigned nb_success, nb_eof;
 +    int64_t frame_pts;
 +
 +    while (1) {
 +        /* Reap all buffers present in the buffer sinks */
 +        for (i = 0; i < nb_output_streams; i++) {
 +            OutputStream *ost = output_streams[i];
 +            OutputFile    *of = output_files[ost->file_index];
 +            int ret = 0;
 +
 +            if (!ost->filter)
 +                continue;
 +
 +            if (!ost->filtered_frame && !(ost->filtered_frame = avcodec_alloc_frame())) {
 +                return AVERROR(ENOMEM);
 +            } else
 +                avcodec_get_frame_defaults(ost->filtered_frame);
 +            filtered_frame = ost->filtered_frame;
 +
 +            while (!ost->is_past_recording_time) {
 +                if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
 +                    !(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE))
 +                    ret = av_buffersink_read_samples(ost->filter->filter, &picref,
 +                                                    ost->st->codec->frame_size);
 +                else if(ost->enc->type == AVMEDIA_TYPE_AUDIO)
 +                    ret = av_buffersink_read(ost->filter->filter, &picref);
 +                else
 +                    ret = av_buffersink_get_buffer_ref(ost->filter->filter, &picref,
 +                                                       AV_BUFFERSINK_FLAG_NO_REQUEST);
 +                if (ret < 0) {
 +                    if (ret != AVERROR(EAGAIN) && ret != AVERROR_EOF) {
 +                        char buf[256];
 +                        av_strerror(ret, buf, sizeof(buf));
 +                        av_log(NULL, AV_LOG_WARNING,
 +                               "Error in av_buffersink_get_buffer_ref(): %s\n", buf);
 +                    }
 +                    break;
 +                }
 +                frame_pts = AV_NOPTS_VALUE;
 +                if (picref->pts != AV_NOPTS_VALUE) {
 +                    filtered_frame->pts = frame_pts = av_rescale_q(picref->pts,
 +                                                    ost->filter->filter->inputs[0]->time_base,
 +                                                    ost->st->codec->time_base) -
 +                                        av_rescale_q(of->start_time,
 +                                                    AV_TIME_BASE_Q,
 +                                                    ost->st->codec->time_base);
 +
 +                    if (of->start_time && filtered_frame->pts < 0) {
 +                        avfilter_unref_buffer(picref);
 +                        continue;
 +                    }
 +                }
 +                //if (ost->source_index >= 0)
 +                //    *filtered_frame= *input_streams[ost->source_index]->decoded_frame; //for me_threshold
 +
 +
 +                switch (ost->filter->filter->inputs[0]->type) {
 +                case AVMEDIA_TYPE_VIDEO:
 +                    avfilter_copy_buf_props(filtered_frame, picref);
 +                    filtered_frame->pts = frame_pts;
 +                    if (!ost->frame_aspect_ratio)
 +                        ost->st->codec->sample_aspect_ratio = picref->video->sample_aspect_ratio;
 +
 +                    do_video_out(of->ctx, ost, filtered_frame,
 +                                 same_quant ? ost->last_quality :
 +                                              ost->st->codec->global_quality);
 +                    break;
 +                case AVMEDIA_TYPE_AUDIO:
 +                    avfilter_copy_buf_props(filtered_frame, picref);
 +                    filtered_frame->pts = frame_pts;
 +                    do_audio_out(of->ctx, ost, filtered_frame);
 +                    break;
 +                default:
 +                    // TODO support subtitle filters
 +                    av_assert0(0);
 +                }
 +
 +                avfilter_unref_buffer(picref);
 +            }
 +        }
 +        /* Request frames through all the graphs */
 +        ret_all = nb_success = nb_eof = 0;
 +        for (i = 0; i < nb_filtergraphs; i++) {
 +            ret = avfilter_graph_request_oldest(filtergraphs[i]->graph);
 +            if (!ret) {
 +                nb_success++;
 +            } else if (ret == AVERROR_EOF) {
 +                nb_eof++;
 +            } else if (ret != AVERROR(EAGAIN)) {
 +                char buf[256];
 +                av_strerror(ret, buf, sizeof(buf));
 +                av_log(NULL, AV_LOG_WARNING,
 +                       "Error in request_frame(): %s\n", buf);
 +                ret_all = ret;
 +            }
 +        }
 +        if (!nb_success)
 +            break;
 +        /* Try again if anything succeeded */
 +    }
 +    return nb_eof == nb_filtergraphs ? AVERROR_EOF : ret_all;
 +}
 +
 +static void print_report(int is_last_report, int64_t timer_start, int64_t cur_time)
 +{
 +    char buf[1024];
 +    OutputStream *ost;
 +    AVFormatContext *oc;
 +    int64_t total_size;
 +    AVCodecContext *enc;
 +    int frame_number, vid, i;
 +    double bitrate;
 +    int64_t pts = INT64_MAX;
 +    static int64_t last_time = -1;
 +    static int qp_histogram[52];
 +    int hours, mins, secs, us;
 +
 +    if (!print_stats && !is_last_report)
 +        return;
 +
 +    if (!is_last_report) {
 +        if (last_time == -1) {
 +            last_time = cur_time;
 +            return;
 +        }
 +        if ((cur_time - last_time) < 500000)
 +            return;
 +        last_time = cur_time;
 +    }
 +
 +
 +    oc = output_files[0]->ctx;
 +
 +    total_size = avio_size(oc->pb);
 +    if (total_size < 0) { // FIXME improve avio_size() so it works with non seekable output too
 +        total_size = avio_tell(oc->pb);
 +        if (total_size < 0)
 +            total_size = 0;
 +    }
 +
 +    buf[0] = '\0';
 +    vid = 0;
 +    for (i = 0; i < nb_output_streams; i++) {
 +        float q = -1;
 +        ost = output_streams[i];
 +        enc = ost->st->codec;
 +        if (!ost->stream_copy && enc->coded_frame)
 +            q = enc->coded_frame->quality / (float)FF_QP2LAMBDA;
 +        if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
 +            snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
 +        }
 +        if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
 +            float fps, t = (cur_time-timer_start) / 1000000.0;
 +
 +            frame_number = ost->frame_number;
 +            fps = t > 1 ? frame_number / t : 0;
 +            snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3.*f q=%3.1f ",
 +                     frame_number, fps < 9.95, fps, q);
 +            if (is_last_report)
 +                snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
 +            if (qp_hist) {
 +                int j;
 +                int qp = lrintf(q);
 +                if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram))
 +                    qp_histogram[qp]++;
 +                for (j = 0; j < 32; j++)
 +                    snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j] + 1) / log(2)));
 +            }
 +            if (enc->flags&CODEC_FLAG_PSNR) {
 +                int j;
 +                double error, error_sum = 0;
 +                double scale, scale_sum = 0;
 +                char type[3] = { 'Y','U','V' };
 +                snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
 +                for (j = 0; j < 3; j++) {
 +                    if (is_last_report) {
 +                        error = enc->error[j];
 +                        scale = enc->width * enc->height * 255.0 * 255.0 * frame_number;
 +                    } else {
 +                        error = enc->coded_frame->error[j];
 +                        scale = enc->width * enc->height * 255.0 * 255.0;
 +                    }
 +                    if (j)
 +                        scale /= 4;
 +                    error_sum += error;
 +                    scale_sum += scale;
 +                    snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error / scale));
 +                }
 +                snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum));
 +            }
 +            vid = 1;
 +        }
 +        /* compute min output value */
 +        pts = FFMIN(pts, av_rescale_q(ost->st->pts.val,
 +                                      ost->st->time_base, AV_TIME_BASE_Q));
 +    }
 +
 +    secs = pts / AV_TIME_BASE;
 +    us = pts % AV_TIME_BASE;
 +    mins = secs / 60;
 +    secs %= 60;
 +    hours = mins / 60;
 +    mins %= 60;
 +
 +    bitrate = pts ? total_size * 8 / (pts / 1000.0) : 0;
 +
 +    snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
 +             "size=%8.0fkB time=", total_size / 1024.0);
 +    snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
 +             "%02d:%02d:%02d.%02d ", hours, mins, secs,
 +             (100 * us) / AV_TIME_BASE);
 +    snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
 +             "bitrate=%6.1fkbits/s", bitrate);
 +
 +    if (nb_frames_dup || nb_frames_drop)
 +        snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
 +                nb_frames_dup, nb_frames_drop);
 +
 +    av_log(NULL, AV_LOG_INFO, "%s    \r", buf);
 +
 +    fflush(stderr);
 +
 +    if (is_last_report) {
 +        int64_t raw= audio_size + video_size + subtitle_size + extra_size;
 +        av_log(NULL, AV_LOG_INFO, "\n");
 +        av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB subtitle:%1.0f global headers:%1.0fkB muxing overhead %f%%\n",
 +               video_size / 1024.0,
 +               audio_size / 1024.0,
 +               subtitle_size / 1024.0,
 +               extra_size / 1024.0,
 +               100.0 * (total_size - raw) / raw
 +        );
 +        if(video_size + audio_size + subtitle_size + extra_size == 0){
 +            av_log(NULL, AV_LOG_WARNING, "Output file is empty, nothing was encoded (check -ss / -t / -frames parameters if used)\n");
 +        }
 +    }
 +}
 +
 +static void flush_encoders(void)
 +{
 +    int i, ret;
 +
 +    for (i = 0; i < nb_output_streams; i++) {
 +        OutputStream   *ost = output_streams[i];
 +        AVCodecContext *enc = ost->st->codec;
 +        AVFormatContext *os = output_files[ost->file_index]->ctx;
 +        int stop_encoding = 0;
 +
 +        if (!ost->encoding_needed)
 +            continue;
 +
 +        if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
 +            continue;
 +        if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == CODEC_ID_RAWVIDEO)
 +            continue;
 +
 +        for (;;) {
 +            int (*encode)(AVCodecContext*, AVPacket*, const AVFrame*, int*) = NULL;
 +            const char *desc;
 +            int64_t *size;
 +
 +            switch (ost->st->codec->codec_type) {
 +            case AVMEDIA_TYPE_AUDIO:
 +                encode = avcodec_encode_audio2;
 +                desc   = "Audio";
 +                size   = &audio_size;
 +                break;
 +            case AVMEDIA_TYPE_VIDEO:
 +                encode = avcodec_encode_video2;
 +                desc   = "Video";
 +                size   = &video_size;
 +                break;
 +            default:
 +                stop_encoding = 1;
 +            }
 +
 +            if (encode) {
 +                AVPacket pkt;
 +                int got_packet;
 +                av_init_packet(&pkt);
 +                pkt.data = NULL;
 +                pkt.size = 0;
 +
 +                update_benchmark(NULL);
 +                ret = encode(enc, &pkt, NULL, &got_packet);
 +                update_benchmark("flush %s %d.%d", desc, ost->file_index, ost->index);
 +                if (ret < 0) {
 +                    av_log(NULL, AV_LOG_FATAL, "%s encoding failed\n", desc);
 +                    exit_program(1);
 +                }
 +                *size += pkt.size;
 +                if (ost->logfile && enc->stats_out) {
 +                    fprintf(ost->logfile, "%s", enc->stats_out);
 +                }
 +                if (!got_packet) {
 +                    stop_encoding = 1;
 +                    break;
 +                }
 +                if (pkt.pts != AV_NOPTS_VALUE)
 +                    pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
 +                if (pkt.dts != AV_NOPTS_VALUE)
 +                    pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
 +                write_frame(os, &pkt, ost);
 +            }
 +
 +            if (stop_encoding)
 +                break;
 +        }
 +    }
 +}
 +
 +/*
 + * Check whether a packet from ist should be written into ost at this time
 + */
 +static int check_output_constraints(InputStream *ist, OutputStream *ost)
 +{
 +    OutputFile *of = output_files[ost->file_index];
 +    int ist_index  = input_files[ist->file_index]->ist_index + ist->st->index;
 +
 +    if (ost->source_index != ist_index)
 +        return 0;
 +
 +    if (of->start_time && ist->pts < of->start_time)
 +        return 0;
 +
 +    if (of->recording_time != INT64_MAX &&
 +        av_compare_ts(ist->pts, AV_TIME_BASE_Q, of->recording_time + of->start_time,
 +                      (AVRational){ 1, 1000000 }) >= 0) {
 +        ost->is_past_recording_time = 1;
 +        return 0;
 +    }
 +
 +    return 1;
 +}
 +
 +static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
 +{
 +    OutputFile *of = output_files[ost->file_index];
 +    int64_t ost_tb_start_time = av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
 +    AVPicture pict;
 +    AVPacket opkt;
 +
 +    av_init_packet(&opkt);
 +
 +    if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
 +        !ost->copy_initial_nonkeyframes)
 +        return;
 +
 +    /* force the input stream PTS */
 +    if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
 +        audio_size += pkt->size;
 +    else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
 +        video_size += pkt->size;
 +        ost->sync_opts++;
 +    } else if (ost->st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
 +        subtitle_size += pkt->size;
 +    }
 +
 +    if (pkt->pts != AV_NOPTS_VALUE)
 +        opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
 +    else
 +        opkt.pts = AV_NOPTS_VALUE;
 +
 +    if (pkt->dts == AV_NOPTS_VALUE)
 +        opkt.dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ost->st->time_base);
 +    else
 +        opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
 +    opkt.dts -= ost_tb_start_time;
 +
 +    opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
 +    opkt.flags    = pkt->flags;
 +
 +    // FIXME remove the following 2 lines they shall be replaced by the bitstream filters
 +    if (  ost->st->codec->codec_id != CODEC_ID_H264
 +       && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
 +       && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
 +       && ost->st->codec->codec_id != CODEC_ID_VC1
 +       ) {
 +        if (av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, pkt->data, pkt->size, pkt->flags & AV_PKT_FLAG_KEY))
 +            opkt.destruct = av_destruct_packet;
 +    } else {
 +        opkt.data = pkt->data;
 +        opkt.size = pkt->size;
 +    }
 +    if (of->ctx->oformat->flags & AVFMT_RAWPICTURE) {
 +        /* store AVPicture in AVPacket, as expected by the output format */
 +        avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height);
 +        opkt.data = (uint8_t *)&pict;
 +        opkt.size = sizeof(AVPicture);
 +        opkt.flags |= AV_PKT_FLAG_KEY;
 +    }
 +
 +    write_frame(of->ctx, &opkt, ost);
 +    ost->st->codec->frame_number++;
 +    av_free_packet(&opkt);
 +}
 +
 +static void rate_emu_sleep(InputStream *ist)
 +{
 +    if (input_files[ist->file_index]->rate_emu) {
 +        int64_t pts = av_rescale(ist->dts, 1000000, AV_TIME_BASE);
 +        int64_t now = av_gettime() - ist->start;
 +        if (pts > now)
 +            av_usleep(pts - now);
 +    }
 +}
 +
 +static int guess_input_channel_layout(InputStream *ist)
 +{
 +    AVCodecContext *dec = ist->st->codec;
 +
 +    if (!dec->channel_layout) {
 +        char layout_name[256];
 +
 +        dec->channel_layout = av_get_default_channel_layout(dec->channels);
 +        if (!dec->channel_layout)
 +            return 0;
 +        av_get_channel_layout_string(layout_name, sizeof(layout_name),
 +                                     dec->channels, dec->channel_layout);
 +        av_log(NULL, AV_LOG_WARNING, "Guessed Channel Layout for  Input Stream "
 +               "#%d.%d : %s\n", ist->file_index, ist->st->index, layout_name);
 +    }
 +    return 1;
 +}
 +
 +static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
 +{
 +    AVFrame *decoded_frame;
 +    AVCodecContext *avctx = ist->st->codec;
 +    int i, ret, resample_changed;
 +
 +    if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
 +        return AVERROR(ENOMEM);
 +    else
 +        avcodec_get_frame_defaults(ist->decoded_frame);
 +    decoded_frame = ist->decoded_frame;
 +
 +    update_benchmark(NULL);
 +    ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
 +    update_benchmark("decode_audio %d.%d", ist->file_index, ist->st->index);
 +    if (ret < 0) {
 +        return ret;
 +    }
 +    if (avctx->sample_rate <= 0) {
 +        av_log(avctx, AV_LOG_ERROR, "Sample rate %d invalid\n", avctx->sample_rate);
 +        return AVERROR_INVALIDDATA;
 +    }
 +
 +    if (!*got_output) {
 +        /* no audio frame */
 +        if (!pkt->size)
 +            for (i = 0; i < ist->nb_filters; i++)
 +                av_buffersrc_add_ref(ist->filters[i]->filter, NULL,
 +                                     AV_BUFFERSRC_FLAG_NO_COPY);
 +        return ret;
 +    }
 +
 +    /* if the decoder provides a pts, use it instead of the last packet pts.
 +       the decoder could be delaying output by a packet or more. */
 +    if (decoded_frame->pts != AV_NOPTS_VALUE)
 +        ist->dts = ist->next_dts = ist->pts = ist->next_pts = decoded_frame->pts;
 +    else if (pkt->pts != AV_NOPTS_VALUE) {
 +        decoded_frame->pts = pkt->pts;
 +        pkt->pts           = AV_NOPTS_VALUE;
 +    }else
 +        decoded_frame->pts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ist->st->time_base);
 +
 +
 +#if 1
 +    /* increment next_dts to use for the case where the input stream does not
 +       have timestamps or there are multiple frames in the packet */
 +    ist->next_pts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
 +                     avctx->sample_rate;
 +    ist->next_dts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
 +                     avctx->sample_rate;
 +#endif
 +
 +    rate_emu_sleep(ist);
 +
 +    resample_changed = ist->resample_sample_fmt     != decoded_frame->format         ||
 +                       ist->resample_channels       != avctx->channels               ||
 +                       ist->resample_channel_layout != decoded_frame->channel_layout ||
 +                       ist->resample_sample_rate    != decoded_frame->sample_rate;
 +    if (resample_changed) {
 +        char layout1[64], layout2[64];
 +
 +        if (!guess_input_channel_layout(ist)) {
 +            av_log(NULL, AV_LOG_FATAL, "Unable to find default channel "
 +                   "layout for Input Stream #%d.%d\n", ist->file_index,
 +                   ist->st->index);
 +            exit_program(1);
 +        }
 +        decoded_frame->channel_layout = avctx->channel_layout;
 +
 +        av_get_channel_layout_string(layout1, sizeof(layout1), ist->resample_channels,
 +                                     ist->resample_channel_layout);
 +        av_get_channel_layout_string(layout2, sizeof(layout2), avctx->channels,
 +                                     decoded_frame->channel_layout);
 +
 +        av_log(NULL, AV_LOG_INFO,
 +               "Input stream #%d:%d frame changed from rate:%d fmt:%s ch:%d chl:%s to rate:%d fmt:%s ch:%d chl:%s\n",
 +               ist->file_index, ist->st->index,
 +               ist->resample_sample_rate,  av_get_sample_fmt_name(ist->resample_sample_fmt),
 +               ist->resample_channels, layout1,
 +               decoded_frame->sample_rate, av_get_sample_fmt_name(decoded_frame->format),
 +               avctx->channels, layout2);
 +
 +        ist->resample_sample_fmt     = decoded_frame->format;
 +        ist->resample_sample_rate    = decoded_frame->sample_rate;
 +        ist->resample_channel_layout = decoded_frame->channel_layout;
 +        ist->resample_channels       = avctx->channels;
 +
 +        for (i = 0; i < nb_filtergraphs; i++)
 +            if (ist_in_filtergraph(filtergraphs[i], ist) &&
 +                configure_filtergraph(filtergraphs[i]) < 0) {
 +                av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
 +                exit_program(1);
 +            }
 +    }
 +
 +    for (i = 0; i < ist->nb_filters; i++)
 +        av_buffersrc_add_frame(ist->filters[i]->filter, decoded_frame, 0);
 +
 +    return ret;
 +}
 +
 +static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output)
 +{
 +    AVFrame *decoded_frame;
 +    void *buffer_to_free = NULL;
 +    int i, ret = 0, resample_changed;
 +    int64_t best_effort_timestamp;
 +    AVRational *frame_sample_aspect;
 +    float quality;
 +
 +    if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
 +        return AVERROR(ENOMEM);
 +    else
 +        avcodec_get_frame_defaults(ist->decoded_frame);
 +    decoded_frame = ist->decoded_frame;
 +    pkt->dts  = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ist->st->time_base);
 +
 +    update_benchmark(NULL);
 +    ret = avcodec_decode_video2(ist->st->codec,
 +                                decoded_frame, got_output, pkt);
 +    update_benchmark("decode_video %d.%d", ist->file_index, ist->st->index);
 +    if (ret < 0)
 +        return ret;
 +
 +    quality = same_quant ? decoded_frame->quality : 0;
 +    if (!*got_output) {
 +        /* no picture yet */
 +        if (!pkt->size)
 +            for (i = 0; i < ist->nb_filters; i++)
 +                av_buffersrc_add_ref(ist->filters[i]->filter, NULL, AV_BUFFERSRC_FLAG_NO_COPY);
 +        return ret;
 +    }
 +
 +    if(ist->top_field_first>=0)
 +        decoded_frame->top_field_first = ist->top_field_first;
 +
 +    best_effort_timestamp= av_frame_get_best_effort_timestamp(decoded_frame);
 +    if(best_effort_timestamp != AV_NOPTS_VALUE)
 +        ist->next_pts = ist->pts = av_rescale_q(decoded_frame->pts = best_effort_timestamp, ist->st->time_base, AV_TIME_BASE_Q);
 +
 +    pkt->size = 0;
 +    pre_process_video_frame(ist, (AVPicture *)decoded_frame, &buffer_to_free);
 +
 +    rate_emu_sleep(ist);
 +
 +    if (ist->st->sample_aspect_ratio.num)
 +        decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio;
 +
 +    resample_changed = ist->resample_width   != decoded_frame->width  ||
 +                       ist->resample_height  != decoded_frame->height ||
 +                       ist->resample_pix_fmt != decoded_frame->format;
 +    if (resample_changed) {
 +        av_log(NULL, AV_LOG_INFO,
 +               "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
 +               ist->file_index, ist->st->index,
 +               ist->resample_width,  ist->resample_height,  av_get_pix_fmt_name(ist->resample_pix_fmt),
 +               decoded_frame->width, decoded_frame->height, av_get_pix_fmt_name(decoded_frame->format));
 +
 +        ist->resample_width   = decoded_frame->width;
 +        ist->resample_height  = decoded_frame->height;
 +        ist->resample_pix_fmt = decoded_frame->format;
 +
 +        for (i = 0; i < nb_filtergraphs; i++)
 +            if (ist_in_filtergraph(filtergraphs[i], ist) &&
 +                configure_filtergraph(filtergraphs[i]) < 0) {
 +                av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
 +                exit_program(1);
 +            }
 +    }
 +
 +    frame_sample_aspect= av_opt_ptr(avcodec_get_frame_class(), decoded_frame, "sample_aspect_ratio");
 +    for (i = 0; i < ist->nb_filters; i++) {
 +        int changed =      ist->st->codec->width   != ist->filters[i]->filter->outputs[0]->w
 +                        || ist->st->codec->height  != ist->filters[i]->filter->outputs[0]->h
 +                        || ist->st->codec->pix_fmt != ist->filters[i]->filter->outputs[0]->format;
 +        // XXX what an ugly hack
 +        if (ist->filters[i]->graph->nb_outputs == 1)
 +            ist->filters[i]->graph->outputs[0]->ost->last_quality = quality;
 +
 +        if (!frame_sample_aspect->num)
 +            *frame_sample_aspect = ist->st->sample_aspect_ratio;
 +        if (ist->dr1 && decoded_frame->type==FF_BUFFER_TYPE_USER && !changed) {
 +            FrameBuffer      *buf = decoded_frame->opaque;
 +            AVFilterBufferRef *fb = avfilter_get_video_buffer_ref_from_arrays(
 +                                        decoded_frame->data, decoded_frame->linesize,
 +                                        AV_PERM_READ | AV_PERM_PRESERVE,
 +                                        ist->st->codec->width, ist->st->codec->height,
 +                                        ist->st->codec->pix_fmt);
 +
 +            avfilter_copy_frame_props(fb, decoded_frame);
 +            fb->buf->priv           = buf;
 +            fb->buf->free           = filter_release_buffer;
 +
 +            av_assert0(buf->refcount>0);
 +            buf->refcount++;
 +            av_buffersrc_add_ref(ist->filters[i]->filter, fb,
 +                                 AV_BUFFERSRC_FLAG_NO_CHECK_FORMAT |
 +                                 AV_BUFFERSRC_FLAG_NO_COPY);
 +        } else
 +        if(av_buffersrc_add_frame(ist->filters[i]->filter, decoded_frame, 0)<0) {
 +            av_log(NULL, AV_LOG_FATAL, "Failed to inject frame into filter network\n");
 +            exit_program(1);
 +        }
 +
 +    }
 +
 +    av_free(buffer_to_free);
 +    return ret;
 +}
 +
 +static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
 +{
 +    AVSubtitle subtitle;
 +    int i, ret = avcodec_decode_subtitle2(ist->st->codec,
 +                                          &subtitle, got_output, pkt);
 +    if (ret < 0)
 +        return ret;
 +    if (!*got_output)
 +        return ret;
 +
 +    rate_emu_sleep(ist);
 +
 +    for (i = 0; i < nb_output_streams; i++) {
 +        OutputStream *ost = output_streams[i];
 +
 +        if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
 +            continue;
 +
 +        do_subtitle_out(output_files[ost->file_index]->ctx, ost, ist, &subtitle, pkt->pts);
 +    }
 +
 +    avsubtitle_free(&subtitle);
 +    return ret;
 +}
 +
 +/* pkt = NULL means EOF (needed to flush decoder buffers) */
 +static int output_packet(InputStream *ist, const AVPacket *pkt)
 +{
 +    int ret = 0, i;
 +    int got_output;
 +
 +    AVPacket avpkt;
 +    if (!ist->saw_first_ts) {
 +        ist->dts = ist->st->avg_frame_rate.num ? - ist->st->codec->has_b_frames * AV_TIME_BASE / av_q2d(ist->st->avg_frame_rate) : 0;
 +        ist->pts = 0;
 +        if (pkt != NULL && pkt->pts != AV_NOPTS_VALUE && !ist->decoding_needed) {
 +            ist->dts += av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
 +            ist->pts = ist->dts; //unused but better to set it to a value thats not totally wrong
 +        }
 +        ist->saw_first_ts = 1;
 +    }
 +
 +    if (ist->next_dts == AV_NOPTS_VALUE)
 +        ist->next_dts = ist->dts;
 +    if (ist->next_pts == AV_NOPTS_VALUE)
 +        ist->next_pts = ist->pts;
 +
 +    if (pkt == NULL) {
 +        /* EOF handling */
 +        av_init_packet(&avpkt);
 +        avpkt.data = NULL;
 +        avpkt.size = 0;
 +        goto handle_eof;
 +    } else {
 +        avpkt = *pkt;
 +    }
 +
 +    if (pkt->dts != AV_NOPTS_VALUE) {
 +        ist->next_dts = ist->dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
 +        if (ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO || !ist->decoding_needed)
 +            ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
 +    }
 +
 +    // while we have more to decode or while the decoder did output something on EOF
 +    while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
 +        int duration;
 +    handle_eof:
 +
 +        ist->pts = ist->next_pts;
 +        ist->dts = ist->next_dts;
 +
 +        if (avpkt.size && avpkt.size != pkt->size) {
 +            av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
 +                   "Multiple frames in a packet from stream %d\n", pkt->stream_index);
 +            ist->showed_multi_packet_warning = 1;
 +        }
 +
 +        switch (ist->st->codec->codec_type) {
 +        case AVMEDIA_TYPE_AUDIO:
 +            ret = decode_audio    (ist, &avpkt, &got_output);
 +            break;
 +        case AVMEDIA_TYPE_VIDEO:
 +            ret = decode_video    (ist, &avpkt, &got_output);
 +            if (avpkt.duration) {
 +                duration = av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q);
 +            } else if(ist->st->codec->time_base.num != 0 && ist->st->codec->time_base.den != 0) {
 +                int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
 +                duration = ((int64_t)AV_TIME_BASE *
 +                                ist->st->codec->time_base.num * ticks) /
 +                                ist->st->codec->time_base.den;
 +            } else
 +                duration = 0;
 +
 +            if(ist->dts != AV_NOPTS_VALUE && duration) {
 +                ist->next_dts += duration;
 +            }else
 +                ist->next_dts = AV_NOPTS_VALUE;
 +
 +            if (got_output)
 +                ist->next_pts += duration; //FIXME the duration is not correct in some cases
 +            break;
 +        case AVMEDIA_TYPE_SUBTITLE:
 +            ret = transcode_subtitles(ist, &avpkt, &got_output);
 +            break;
 +        default:
 +            return -1;
 +        }
 +
 +        if (ret < 0)
 +            return ret;
 +
 +        avpkt.dts=
 +        avpkt.pts= AV_NOPTS_VALUE;
 +
 +        // touch data and size only if not EOF
 +        if (pkt) {
 +            if(ist->st->codec->codec_type != AVMEDIA_TYPE_AUDIO)
 +                ret = avpkt.size;
 +            avpkt.data += ret;
 +            avpkt.size -= ret;
 +        }
 +        if (!got_output) {
 +            continue;
 +        }
 +    }
 +
 +    /* handle stream copy */
 +    if (!ist->decoding_needed) {
 +        rate_emu_sleep(ist);
 +        ist->dts = ist->next_dts;
 +        switch (ist->st->codec->codec_type) {
 +        case AVMEDIA_TYPE_AUDIO:
 +            ist->next_dts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
 +                             ist->st->codec->sample_rate;
 +            break;
 +        case AVMEDIA_TYPE_VIDEO:
 +            if (pkt->duration) {
 +                ist->next_dts += av_rescale_q(pkt->duration, ist->st->time_base, AV_TIME_BASE_Q);
 +            } else if(ist->st->codec->time_base.num != 0) {
 +                int ticks= ist->st->parser ? ist->st->parser->repeat_pict + 1 : ist->st->codec->ticks_per_frame;
 +                ist->next_dts += ((int64_t)AV_TIME_BASE *
 +                                  ist->st->codec->time_base.num * ticks) /
 +                                  ist->st->codec->time_base.den;
 +            }
 +            break;
 +        }
 +        ist->pts = ist->dts;
 +        ist->next_pts = ist->next_dts;
 +    }
 +    for (i = 0; pkt && i < nb_output_streams; i++) {
 +        OutputStream *ost = output_streams[i];
 +
 +        if (!check_output_constraints(ist, ost) || ost->encoding_needed)
 +            continue;
 +
 +        do_streamcopy(ist, ost, pkt);
 +    }
 +
 +    return 0;
 +}
 +
 +static void print_sdp(void)
 +{
 +    char sdp[2048];
 +    int i;
 +    AVFormatContext **avc = av_malloc(sizeof(*avc) * nb_output_files);
 +
 +    if (!avc)
 +        exit_program(1);
 +    for (i = 0; i < nb_output_files; i++)
 +        avc[i] = output_files[i]->ctx;
 +
 +    av_sdp_create(avc, nb_output_files, sdp, sizeof(sdp));
 +    printf("SDP:\n%s\n", sdp);
 +    fflush(stdout);
 +    av_freep(&avc);
 +}
 +
 +static int init_input_stream(int ist_index, char *error, int error_len)
 +{
 +    InputStream *ist = input_streams[ist_index];
 +
 +    if (ist->decoding_needed) {
 +        AVCodec *codec = ist->dec;
 +        if (!codec) {
 +            snprintf(error, error_len, "Decoder (codec %s) not found for input stream #%d:%d",
 +                    avcodec_get_name(ist->st->codec->codec_id), ist->file_index, ist->st->index);
 +            return AVERROR(EINVAL);
 +        }
 +
 +        ist->dr1 = (codec->capabilities & CODEC_CAP_DR1) && !do_deinterlace;
 +        if (codec->type == AVMEDIA_TYPE_VIDEO && ist->dr1) {
 +            ist->st->codec->get_buffer     = codec_get_buffer;
 +            ist->st->codec->release_buffer = codec_release_buffer;
 +            ist->st->codec->opaque         = &ist->buffer_pool;
 +        }
 +
 +        if (!av_dict_get(ist->opts, "threads", NULL, 0))
 +            av_dict_set(&ist->opts, "threads", "auto", 0);
 +        if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
 +            snprintf(error, error_len, "Error while opening decoder for input stream #%d:%d",
 +                    ist->file_index, ist->st->index);
 +            return AVERROR(EINVAL);
 +        }
 +        assert_codec_experimental(ist->st->codec, 0);
 +        assert_avoptions(ist->opts);
 +    }
 +
 +    ist->next_pts = AV_NOPTS_VALUE;
 +    ist->next_dts = AV_NOPTS_VALUE;
 +    ist->is_start = 1;
 +
 +    return 0;
 +}
 +
 +static InputStream *get_input_stream(OutputStream *ost)
 +{
 +    if (ost->source_index >= 0)
 +        return input_streams[ost->source_index];
 +    return NULL;
 +}
 +
 +static void parse_forced_key_frames(char *kf, OutputStream *ost,
 +                                    AVCodecContext *avctx)
 +{
 +    char *p;
 +    int n = 1, i;
 +    int64_t t;
 +
 +    for (p = kf; *p; p++)
 +        if (*p == ',')
 +            n++;
 +    ost->forced_kf_count = n;
 +    ost->forced_kf_pts   = av_malloc(sizeof(*ost->forced_kf_pts) * n);
 +    if (!ost->forced_kf_pts) {
 +        av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
 +        exit_program(1);
 +    }
 +    for (i = 0; i < n; i++) {
 +        p = i ? strchr(p, ',') + 1 : kf;
 +        t = parse_time_or_die("force_key_frames", p, 1);
 +        ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
 +    }
 +}
 +
 +static int transcode_init(void)
 +{
 +    int ret = 0, i, j, k;
 +    AVFormatContext *oc;
 +    AVCodecContext *codec, *icodec = NULL;
 +    OutputStream *ost;
 +    InputStream *ist;
 +    char error[1024];
 +    int want_sdp = 1;
 +
 +    /* init framerate emulation */
 +    for (i = 0; i < nb_input_files; i++) {
 +        InputFile *ifile = input_files[i];
 +        if (ifile->rate_emu)
 +            for (j = 0; j < ifile->nb_streams; j++)
 +                input_streams[j + ifile->ist_index]->start = av_gettime();
 +    }
 +
 +    /* output stream init */
 +    for (i = 0; i < nb_output_files; i++) {
 +        oc = output_files[i]->ctx;
 +        if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
 +            av_dump_format(oc, i, oc->filename, 1);
 +            av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
 +            return AVERROR(EINVAL);
 +        }
 +    }
 +
 +    /* init complex filtergraphs */
 +    for (i = 0; i < nb_filtergraphs; i++)
 +        if ((ret = avfilter_graph_config(filtergraphs[i]->graph, NULL)) < 0)
 +            return ret;
 +
 +    /* for each output stream, we compute the right encoding parameters */
 +    for (i = 0; i < nb_output_streams; i++) {
 +        ost = output_streams[i];
 +        oc  = output_files[ost->file_index]->ctx;
 +        ist = get_input_stream(ost);
 +
 +        if (ost->attachment_filename)
 +            continue;
 +
 +        codec  = ost->st->codec;
 +
 +        if (ist) {
 +            icodec = ist->st->codec;
 +
 +            ost->st->disposition          = ist->st->disposition;
 +            codec->bits_per_raw_sample    = icodec->bits_per_raw_sample;
 +            codec->chroma_sample_location = icodec->chroma_sample_location;
 +        }
 +
 +        if (ost->stream_copy) {
 +            uint64_t extra_size;
 +
 +            av_assert0(ist && !ost->filter);
 +
 +            extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
 +
 +            if (extra_size > INT_MAX) {
 +                return AVERROR(EINVAL);
 +            }
 +
 +            /* if stream_copy is selected, no need to decode or encode */
 +            codec->codec_id   = icodec->codec_id;
 +            codec->codec_type = icodec->codec_type;
 +
 +            if (!codec->codec_tag) {
 +                if (!oc->oformat->codec_tag ||
 +                     av_codec_get_id (oc->oformat->codec_tag, icodec->codec_tag) == codec->codec_id ||
 +                     av_codec_get_tag(oc->oformat->codec_tag, icodec->codec_id) <= 0)
 +                    codec->codec_tag = icodec->codec_tag;
 +            }
 +
 +            codec->bit_rate       = icodec->bit_rate;
 +            codec->rc_max_rate    = icodec->rc_max_rate;
 +            codec->rc_buffer_size = icodec->rc_buffer_size;
 +            codec->field_order    = icodec->field_order;
 +            codec->extradata      = av_mallocz(extra_size);
 +            if (!codec->extradata) {
 +                return AVERROR(ENOMEM);
 +            }
 +            memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
 +            codec->extradata_size= icodec->extradata_size;
 +            codec->bits_per_coded_sample  = icodec->bits_per_coded_sample;
 +
 +            codec->time_base = ist->st->time_base;
 +            /*
 +             * Avi is a special case here because it supports variable fps but
 +             * having the fps and timebase differe significantly adds quite some
 +             * overhead
 +             */
 +            if(!strcmp(oc->oformat->name, "avi")) {
 +                if (   copy_tb<0 && av_q2d(icodec->time_base)*icodec->ticks_per_frame > 2*av_q2d(ist->st->time_base)
 +                                 && av_q2d(ist->st->time_base) < 1.0/500
 +                    || copy_tb==0){
 +                    codec->time_base = icodec->time_base;
 +                    codec->time_base.num *= icodec->ticks_per_frame;
 +                    codec->time_base.den *= 2;
 +                    codec->ticks_per_frame = 2;
 +                }
 +            } else if(!(oc->oformat->flags & AVFMT_VARIABLE_FPS)
 +                      && strcmp(oc->oformat->name, "mov") && strcmp(oc->oformat->name, "mp4") && strcmp(oc->oformat->name, "3gp")
 +                      && strcmp(oc->oformat->name, "3g2") && strcmp(oc->oformat->name, "psp") && strcmp(oc->oformat->name, "ipod")
 +            ) {
 +                if(   copy_tb<0 && av_q2d(icodec->time_base)*icodec->ticks_per_frame > av_q2d(ist->st->time_base)
 +                                && av_q2d(ist->st->time_base) < 1.0/500
 +                   || copy_tb==0){
 +                    codec->time_base = icodec->time_base;
 +                    codec->time_base.num *= icodec->ticks_per_frame;
 +                }
 +            }
 +
 +            if(ost->frame_rate.num)
 +                codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
 +
 +            av_reduce(&codec->time_base.num, &codec->time_base.den,
 +                        codec->time_base.num, codec->time_base.den, INT_MAX);
 +
 +            switch (codec->codec_type) {
 +            case AVMEDIA_TYPE_AUDIO:
 +                if (audio_volume != 256) {
 +                    av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
 +                    exit_program(1);
 +                }
 +                codec->channel_layout     = icodec->channel_layout;
 +                codec->sample_rate        = icodec->sample_rate;
 +                codec->channels           = icodec->channels;
 +                codec->frame_size         = icodec->frame_size;
 +                codec->audio_service_type = icodec->audio_service_type;
 +                codec->block_align        = icodec->block_align;
 +                if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
 +                    codec->block_align= 0;
 +                if(codec->codec_id == CODEC_ID_AC3)
 +                    codec->block_align= 0;
 +                break;
 +            case AVMEDIA_TYPE_VIDEO:
 +                codec->pix_fmt            = icodec->pix_fmt;
 +                codec->width              = icodec->width;
 +                codec->height             = icodec->height;
 +                codec->has_b_frames       = icodec->has_b_frames;
 +                if (!codec->sample_aspect_ratio.num) {
 +                    codec->sample_aspect_ratio   =
 +                    ost->st->sample_aspect_ratio =
 +                        ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
 +                        ist->st->codec->sample_aspect_ratio.num ?
 +                        ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
 +                }
 +                ost->st->avg_frame_rate = ist->st->avg_frame_rate;
 +                break;
 +            case AVMEDIA_TYPE_SUBTITLE:
 +                codec->width  = icodec->width;
 +                codec->height = icodec->height;
 +                break;
 +            case AVMEDIA_TYPE_DATA:
 +            case AVMEDIA_TYPE_ATTACHMENT:
 +                break;
 +            default:
 +                abort();
 +            }
 +        } else {
 +            if (!ost->enc)
 +                ost->enc = avcodec_find_encoder(codec->codec_id);
 +            if (!ost->enc) {
 +                /* should only happen when a default codec is not present. */
 +                snprintf(error, sizeof(error), "Encoder (codec %s) not found for output stream #%d:%d",
 +                         avcodec_get_name(ost->st->codec->codec_id), ost->file_index, ost->index);
 +                ret = AVERROR(EINVAL);
 +                goto dump_format;
 +            }
 +
 +            if (ist)
 +                ist->decoding_needed = 1;
 +            ost->encoding_needed = 1;
 +
 +            if (codec->codec_type == AVMEDIA_TYPE_VIDEO) {
 +                if (ost->filter && !ost->frame_rate.num)
 +                    ost->frame_rate = av_buffersink_get_frame_rate(ost->filter->filter);
 +                if (ist && !ost->frame_rate.num)
 +                    ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25, 1};
 +                if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
 +                    int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
 +                    ost->frame_rate = ost->enc->supported_framerates[idx];
 +                }
 +            }
 +
 +            if (!ost->filter &&
 +                (codec->codec_type == AVMEDIA_TYPE_VIDEO ||
 +                 codec->codec_type == AVMEDIA_TYPE_AUDIO)) {
 +                    FilterGraph *fg;
 +                    fg = init_simple_filtergraph(ist, ost);
 +                    if (configure_filtergraph(fg)) {
 +                        av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
 +                        exit(1);
 +                    }
 +            }
 +
 +            switch (codec->codec_type) {
 +            case AVMEDIA_TYPE_AUDIO:
 +                codec->sample_fmt     = ost->filter->filter->inputs[0]->format;
 +                codec->sample_rate    = ost->filter->filter->inputs[0]->sample_rate;
 +                codec->channel_layout = ost->filter->filter->inputs[0]->channel_layout;
 +                codec->channels       = av_get_channel_layout_nb_channels(codec->channel_layout);
 +                codec->time_base      = (AVRational){ 1, codec->sample_rate };
 +                break;
 +            case AVMEDIA_TYPE_VIDEO:
 +                codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
 +                if (ost->filter && !(codec->time_base.num && codec->time_base.den))
 +                    codec->time_base = ost->filter->filter->inputs[0]->time_base;
 +                if (   av_q2d(codec->time_base) < 0.001 && video_sync_method != VSYNC_PASSTHROUGH
 +                   && (video_sync_method == VSYNC_CFR || (video_sync_method == VSYNC_AUTO && !(oc->oformat->flags & AVFMT_VARIABLE_FPS)))){
 +                    av_log(oc, AV_LOG_WARNING, "Frame rate very high for a muxer not efficiently supporting it.\n"
 +                                               "Please consider specifying a lower framerate, a different muxer or -vsync 2\n");
 +                }
 +                for (j = 0; j < ost->forced_kf_count; j++)
 +                    ost->forced_kf_pts[j] = av_rescale_q(ost->forced_kf_pts[j],
 +                                                         AV_TIME_BASE_Q,
 +                                                         codec->time_base);
 +
 +                codec->width  = ost->filter->filter->inputs[0]->w;
 +                codec->height = ost->filter->filter->inputs[0]->h;
 +                codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
 +                    ost->frame_aspect_ratio ? // overridden by the -aspect cli option
 +                    av_d2q(ost->frame_aspect_ratio * codec->height/codec->width, 255) :
 +                    ost->filter->filter->inputs[0]->sample_aspect_ratio;
 +                codec->pix_fmt = ost->filter->filter->inputs[0]->format;
 +
 +                if (!icodec ||
 +                    codec->width   != icodec->width  ||
 +                    codec->height  != icodec->height ||
 +                    codec->pix_fmt != icodec->pix_fmt) {
 +                    codec->bits_per_raw_sample = frame_bits_per_raw_sample;
 +                }
 +
 +                if (ost->forced_keyframes)
 +                    parse_forced_key_frames(ost->forced_keyframes, ost,
 +                                            ost->st->codec);
 +                break;
 +            case AVMEDIA_TYPE_SUBTITLE:
 +                codec->time_base = (AVRational){1, 1000};
 +                break;
 +            default:
 +                abort();
 +                break;
 +            }
 +            /* two pass mode */
 +            if (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2)) {
 +                char logfilename[1024];
 +                FILE *f;
 +
 +                snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
 +                         pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
 +                         i);
 +                if (!strcmp(ost->enc->name, "libx264")) {
 +                    av_dict_set(&ost->opts, "stats", logfilename, AV_DICT_DONT_OVERWRITE);
 +                } else {
 +                    if (codec->flags & CODEC_FLAG_PASS2) {
 +                        char  *logbuffer;
 +                        size_t logbuffer_size;
 +                        if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
 +                            av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
 +                                   logfilename);
 +                            exit_program(1);
 +                        }
 +                        codec->stats_in = logbuffer;
 +                    }
 +                    if (codec->flags & CODEC_FLAG_PASS1) {
 +                        f = fopen(logfilename, "wb");
 +                        if (!f) {
 +                            av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
 +                                logfilename, strerror(errno));
 +                            exit_program(1);
 +                        }
 +                        ost->logfile = f;
 +                    }
 +                }
 +            }
 +        }
 +    }
 +
 +    /* open each encoder */
 +    for (i = 0; i < nb_output_streams; i++) {
 +        ost = output_streams[i];
 +        if (ost->encoding_needed) {
 +            AVCodec      *codec = ost->enc;
 +            AVCodecContext *dec = NULL;
 +
 +            if ((ist = get_input_stream(ost)))
 +                dec = ist->st->codec;
 +            if (dec && dec->subtitle_header) {
 +                ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
 +                if (!ost->st->codec->subtitle_header) {
 +                    ret = AVERROR(ENOMEM);
 +                    goto dump_format;
 +                }
 +                memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
 +                ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
 +            }
 +            if (!av_dict_get(ost->opts, "threads", NULL, 0))
 +                av_dict_set(&ost->opts, "threads", "auto", 0);
 +            if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
 +                snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d:%d - maybe incorrect parameters such as bit_rate, rate, width or height",
 +                        ost->file_index, ost->index);
 +                ret = AVERROR(EINVAL);
 +                goto dump_format;
 +            }
 +            assert_codec_experimental(ost->st->codec, 1);
 +            assert_avoptions(ost->opts);
 +            if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
 +                av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
 +                                             " It takes bits/s as argument, not kbits/s\n");
 +            extra_size += ost->st->codec->extradata_size;
 +
 +            if (ost->st->codec->me_threshold)
 +                input_streams[ost->source_index]->st->codec->debug |= FF_DEBUG_MV;
 +        }
 +    }
 +
 +    /* init input streams */
 +    for (i = 0; i < nb_input_streams; i++)
 +        if ((ret = init_input_stream(i, error, sizeof(error))) < 0)
 +            goto dump_format;
 +
 +    /* discard unused programs */
 +    for (i = 0; i < nb_input_files; i++) {
 +        InputFile *ifile = input_files[i];
 +        for (j = 0; j < ifile->ctx->nb_programs; j++) {
 +            AVProgram *p = ifile->ctx->programs[j];
 +            int discard  = AVDISCARD_ALL;
 +
 +            for (k = 0; k < p->nb_stream_indexes; k++)
 +                if (!input_streams[ifile->ist_index + p->stream_index[k]]->discard) {
 +                    discard = AVDISCARD_DEFAULT;
 +                    break;
 +                }
 +            p->discard = discard;
 +        }
 +    }
 +
 +    /* open files and write file headers */
 +    for (i = 0; i < nb_output_files; i++) {
 +        oc = output_files[i]->ctx;
 +        oc->interrupt_callback = int_cb;
 +        if ((ret = avformat_write_header(oc, &output_files[i]->opts)) < 0) {
 +            char errbuf[128];
 +            const char *errbuf_ptr = errbuf;
 +            if (av_strerror(ret, errbuf, sizeof(errbuf)) < 0)
 +                errbuf_ptr = strerror(AVUNERROR(ret));
 +            snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?): %s", i, errbuf_ptr);
 +            ret = AVERROR(EINVAL);
 +            goto dump_format;
 +        }
 +//         assert_avoptions(output_files[i]->opts);
 +        if (strcmp(oc->oformat->name, "rtp")) {
 +            want_sdp = 0;
 +        }
 +    }
 +
 + dump_format:
 +    /* dump the file output parameters - cannot be done before in case
 +       of stream copy */
 +    for (i = 0; i < nb_output_files; i++) {
 +        av_dump_format(output_files[i]->ctx, i, output_files[i]->ctx->filename, 1);
 +    }
 +
 +    /* dump the stream mapping */
 +    av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
 +    for (i = 0; i < nb_input_streams; i++) {
 +        ist = input_streams[i];
 +
 +        for (j = 0; j < ist->nb_filters; j++) {
 +            if (ist->filters[j]->graph->graph_desc) {
 +                av_log(NULL, AV_LOG_INFO, "  Stream #%d:%d (%s) -> %s",
 +                       ist->file_index, ist->st->index, ist->dec ? ist->dec->name : "?",
 +                       ist->filters[j]->name);
 +                if (nb_filtergraphs > 1)
 +                    av_log(NULL, AV_LOG_INFO, " (graph %d)", ist->filters[j]->graph->index);
 +                av_log(NULL, AV_LOG_INFO, "\n");
 +            }
 +        }
 +    }
 +
 +    for (i = 0; i < nb_output_streams; i++) {
 +        ost = output_streams[i];
 +
 +        if (ost->attachment_filename) {
 +            /* an attached file */
 +            av_log(NULL, AV_LOG_INFO, "  File %s -> Stream #%d:%d\n",
 +                   ost->attachment_filename, ost->file_index, ost->index);
 +            continue;
 +        }
 +
 +        if (ost->filter && ost->filter->graph->graph_desc) {
 +            /* output from a complex graph */
 +            av_log(NULL, AV_LOG_INFO, "  %s", ost->filter->name);
 +            if (nb_filtergraphs > 1)
 +                av_log(NULL, AV_LOG_INFO, " (graph %d)", ost->filter->graph->index);
 +
 +            av_log(NULL, AV_LOG_INFO, " -> Stream #%d:%d (%s)\n", ost->file_index,
 +                   ost->index, ost->enc ? ost->enc->name : "?");
 +            continue;
 +        }
 +
 +        av_log(NULL, AV_LOG_INFO, "  Stream #%d:%d -> #%d:%d",
 +               input_streams[ost->source_index]->file_index,
 +               input_streams[ost->source_index]->st->index,
 +               ost->file_index,
 +               ost->index);
 +        if (ost->sync_ist != input_streams[ost->source_index])
 +            av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
 +                   ost->sync_ist->file_index,
 +                   ost->sync_ist->st->index);
 +        if (ost->stream_copy)
 +            av_log(NULL, AV_LOG_INFO, " (copy)");
 +        else
 +            av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index]->dec ?
 +                   input_streams[ost->source_index]->dec->name : "?",
 +                   ost->enc ? ost->enc->name : "?");
 +        av_log(NULL, AV_LOG_INFO, "\n");
 +    }
 +
 +    if (ret) {
 +        av_log(NULL, AV_LOG_ERROR, "%s\n", error);
 +        return ret;
 +    }
 +
 +    if (want_sdp) {
 +        print_sdp();
 +    }
 +
 +    return 0;
 +}
 +
 +/**
 + * @return 1 if there are still streams where more output is wanted,
 + *         0 otherwise
 + */
 +static int need_output(void)
 +{
 +    int i;
 +
 +    for (i = 0; i < nb_output_streams; i++) {
 +        OutputStream *ost    = output_streams[i];
 +        OutputFile *of       = output_files[ost->file_index];
 +        AVFormatContext *os  = output_files[ost->file_index]->ctx;
 +
 +        if (ost->is_past_recording_time ||
 +            (os->pb && avio_tell(os->pb) >= of->limit_filesize))
 +            continue;
 +        if (ost->frame_number >= ost->max_frames) {
 +            int j;
 +            for (j = 0; j < of->ctx->nb_streams; j++)
 +                output_streams[of->ost_index + j]->is_past_recording_time = 1;
 +            continue;
 +        }
 +
 +        return 1;
 +    }
 +
 +    return 0;
 +}
 +
 +static int select_input_file(uint8_t *no_packet)
 +{
 +    int64_t ipts_min = INT64_MAX;
 +    int i, file_index = -1;
 +
 +    for (i = 0; i < nb_input_streams; i++) {
 +        InputStream *ist = input_streams[i];
 +        int64_t ipts     = ist->pts;
 +
 +        if (ist->discard || no_packet[ist->file_index])
 +            continue;
 +        if (!input_files[ist->file_index]->eof_reached) {
 +            if (ipts < ipts_min) {
 +                ipts_min = ipts;
 +                file_index = ist->file_index;
 +            }
 +        }
 +    }
 +
 +    return file_index;
 +}
 +
 +static int check_keyboard_interaction(int64_t cur_time)
 +{
 +    int i, ret, key;
 +    static int64_t last_time;
 +    if (received_nb_signals)
 +        return AVERROR_EXIT;
 +    /* read_key() returns 0 on EOF */
 +    if(cur_time - last_time >= 100000 && !run_as_daemon){
 +        key =  read_key();
 +        last_time = cur_time;
 +    }else
 +        key = -1;
 +    if (key == 'q')
 +        return AVERROR_EXIT;
 +    if (key == '+') av_log_set_level(av_log_get_level()+10);
 +    if (key == '-') av_log_set_level(av_log_get_level()-10);
 +    if (key == 's') qp_hist     ^= 1;
 +    if (key == 'h'){
 +        if (do_hex_dump){
 +            do_hex_dump = do_pkt_dump = 0;
 +        } else if(do_pkt_dump){
 +            do_hex_dump = 1;
 +        } else
 +            do_pkt_dump = 1;
 +        av_log_set_level(AV_LOG_DEBUG);
 +    }
 +    if (key == 'c' || key == 'C'){
 +        char buf[4096], target[64], command[256], arg[256] = {0};
 +        double time;
 +        int k, n = 0;
 +        fprintf(stderr, "\nEnter command: <target> <time> <command>[ <argument>]\n");
 +        i = 0;
 +        while ((k = read_key()) != '\n' && k != '\r' && i < sizeof(buf)-1)
 +            if (k > 0)
 +                buf[i++] = k;
 +        buf[i] = 0;
 +        if (k > 0 &&
 +            (n = sscanf(buf, "%63[^ ] %lf %255[^ ] %255[^\n]", target, &time, command, arg)) >= 3) {
 +            av_log(NULL, AV_LOG_DEBUG, "Processing command target:%s time:%f command:%s arg:%s",
 +                   target, time, command, arg);
 +            for (i = 0; i < nb_filtergraphs; i++) {
 +                FilterGraph *fg = filtergraphs[i];
 +                if (fg->graph) {
 +                    if (time < 0) {
 +                        ret = avfilter_graph_send_command(fg->graph, target, command, arg, buf, sizeof(buf),
 +                                                          key == 'c' ? AVFILTER_CMD_FLAG_ONE : 0);
 +                        fprintf(stderr, "Command reply for stream %d: ret:%d res:%s\n", i, ret, buf);
 +                    } else {
 +                        ret = avfilter_graph_queue_command(fg->graph, target, command, arg, 0, time);
 +                    }
 +                }
 +            }
 +        } else {
 +            av_log(NULL, AV_LOG_ERROR,
 +                   "Parse error, at least 3 arguments were expected, "
 +                   "only %d given in string '%s'\n", n, buf);
 +        }
 +    }
 +    if (key == 'd' || key == 'D'){
 +        int debug=0;
 +        if(key == 'D') {
 +            debug = input_streams[0]->st->codec->debug<<1;
 +            if(!debug) debug = 1;
 +            while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash
 +                debug += debug;
 +        }else
 +            if(scanf("%d", &debug)!=1)
 +                fprintf(stderr,"error parsing debug value\n");
 +        for(i=0;i<nb_input_streams;i++) {
 +            input_streams[i]->st->codec->debug = debug;
 +        }
 +        for(i=0;i<nb_output_streams;i++) {
 +            OutputStream *ost = output_streams[i];
 +            ost->st->codec->debug = debug;
 +        }
 +        if(debug) av_log_set_level(AV_LOG_DEBUG);
 +        fprintf(stderr,"debug=%d\n", debug);
 +    }
 +    if (key == '?'){
 +        fprintf(stderr, "key    function\n"
 +                        "?      show this help\n"
 +                        "+      increase verbosity\n"
 +                        "-      decrease verbosity\n"
 +                        "c      Send command to filtergraph\n"
 +                        "D      cycle through available debug modes\n"
 +                        "h      dump packets/hex press to cycle through the 3 states\n"
 +                        "q      quit\n"
 +                        "s      Show QP histogram\n"
 +        );
 +    }
 +    return 0;
 +}
 +
 +#if HAVE_PTHREADS
 +static void *input_thread(void *arg)
 +{
 +    InputFile *f = arg;
 +    int ret = 0;
 +
 +    while (!transcoding_finished && ret >= 0) {
 +        AVPacket pkt;
 +        ret = av_read_frame(f->ctx, &pkt);
 +
 +        if (ret == AVERROR(EAGAIN)) {
 +            av_usleep(10000);
 +            ret = 0;
 +            continue;
 +        } else if (ret < 0)
 +            break;
 +
 +        pthread_mutex_lock(&f->fifo_lock);
 +        while (!av_fifo_space(f->fifo))
 +            pthread_cond_wait(&f->fifo_cond, &f->fifo_lock);
 +
 +        av_dup_packet(&pkt);
 +        av_fifo_generic_write(f->fifo, &pkt, sizeof(pkt), NULL);
 +
 +        pthread_mutex_unlock(&f->fifo_lock);
 +    }
 +
 +    f->finished = 1;
 +    return NULL;
 +}
 +
 +static void free_input_threads(void)
 +{
 +    int i;
 +
 +    if (nb_input_files == 1)
 +        return;
 +
 +    transcoding_finished = 1;
 +
 +    for (i = 0; i < nb_input_files; i++) {
 +        InputFile *f = input_files[i];
 +        AVPacket pkt;
 +
 +        if (!f->fifo || f->joined)
 +            continue;
 +
 +        pthread_mutex_lock(&f->fifo_lock);
 +        while (av_fifo_size(f->fifo)) {
 +            av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL);
 +            av_free_packet(&pkt);
 +        }
 +        pthread_cond_signal(&f->fifo_cond);
 +        pthread_mutex_unlock(&f->fifo_lock);
 +
 +        pthread_join(f->thread, NULL);
 +        f->joined = 1;
 +
 +        while (av_fifo_size(f->fifo)) {
 +            av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL);
 +            av_free_packet(&pkt);
 +        }
 +        av_fifo_free(f->fifo);
 +    }
 +}
 +
 +static int init_input_threads(void)
 +{
 +    int i, ret;
 +
 +    if (nb_input_files == 1)
 +        return 0;
 +
 +    for (i = 0; i < nb_input_files; i++) {
 +        InputFile *f = input_files[i];
 +
 +        if (!(f->fifo = av_fifo_alloc(8*sizeof(AVPacket))))
 +            return AVERROR(ENOMEM);
 +
 +        pthread_mutex_init(&f->fifo_lock, NULL);
 +        pthread_cond_init (&f->fifo_cond, NULL);
 +
 +        if ((ret = pthread_create(&f->thread, NULL, input_thread, f)))
 +            return AVERROR(ret);
 +    }
 +    return 0;
 +}
 +
 +static int get_input_packet_mt(InputFile *f, AVPacket *pkt)
 +{
 +    int ret = 0;
 +
 +    pthread_mutex_lock(&f->fifo_lock);
 +
 +    if (av_fifo_size(f->fifo)) {
 +        av_fifo_generic_read(f->fifo, pkt, sizeof(*pkt), NULL);
 +        pthread_cond_signal(&f->fifo_cond);
 +    } else {
 +        if (f->finished)
 +            ret = AVERROR_EOF;
 +        else
 +            ret = AVERROR(EAGAIN);
 +    }
 +
 +    pthread_mutex_unlock(&f->fifo_lock);
 +
 +    return ret;
 +}
 +#endif
 +
 +static int get_input_packet(InputFile *f, AVPacket *pkt)
 +{
 +#if HAVE_PTHREADS
 +    if (nb_input_files > 1)
 +        return get_input_packet_mt(f, pkt);
 +#endif
 +    return av_read_frame(f->ctx, pkt);
 +}
 +
 +/*
 + * The following code is the main loop of the file converter
 + */
 +static int transcode(void)
 +{
 +    int ret, i;
 +    AVFormatContext *is, *os;
 +    OutputStream *ost;
 +    InputStream *ist;
 +    uint8_t *no_packet;
 +    int no_packet_count = 0;
 +    int64_t timer_start;
 +
 +    if (!(no_packet = av_mallocz(nb_input_files)))
 +        exit_program(1);
 +
 +    ret = transcode_init();
 +    if (ret < 0)
 +        goto fail;
 +
 +    if (!using_stdin) {
 +        av_log(NULL, AV_LOG_INFO, "Press [q] to stop, [?] for help\n");
 +    }
 +
 +    timer_start = av_gettime();
 +
 +#if HAVE_PTHREADS
 +    if ((ret = init_input_threads()) < 0)
 +        goto fail;
 +#endif
 +
 +    for (; received_sigterm == 0;) {
 +        int file_index, ist_index;
 +        AVPacket pkt;
 +        int64_t cur_time= av_gettime();
 +
 +        /* if 'q' pressed, exits */
 +        if (!using_stdin)
 +            if (check_keyboard_interaction(cur_time) < 0)
 +                break;
 +
 +        /* check if there's any stream where output is still needed */
 +        if (!need_output()) {
 +            av_log(NULL, AV_LOG_VERBOSE, "No more output streams to write to, finishing.\n");
 +            break;
 +        }
 +
 +        /* select the stream that we must read now */
 +        file_index = select_input_file(no_packet);
 +        /* if none, if is finished */
 +        if (file_index < 0) {
 +            if (no_packet_count) {
 +                no_packet_count = 0;
 +                memset(no_packet, 0, nb_input_files);
 +                av_usleep(10000);
 +                continue;
 +            }
 +            av_log(NULL, AV_LOG_VERBOSE, "No more inputs to read from, finishing.\n");
 +            break;
 +        }
 +
 +        is  = input_files[file_index]->ctx;
 +        ret = get_input_packet(input_files[file_index], &pkt);
 +
 +        if (ret == AVERROR(EAGAIN)) {
 +            no_packet[file_index] = 1;
 +            no_packet_count++;
 +            continue;
 +        }
 +        if (ret < 0) {
 +            input_files[file_index]->eof_reached = 1;
 +
 +            for (i = 0; i < input_files[file_index]->nb_streams; i++) {
 +                ist = input_streams[input_files[file_index]->ist_index + i];
 +                if (ist->decoding_needed)
 +                    output_packet(ist, NULL);
 +            }
 +
 +            if (opt_shortest)
 +                break;
 +            else
 +                continue;
 +        }
 +
 +        no_packet_count = 0;
 +        memset(no_packet, 0, nb_input_files);
 +
 +        if (do_pkt_dump) {
 +            av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
 +                             is->streams[pkt.stream_index]);
 +        }
 +        /* the following test is needed in case new streams appear
 +           dynamically in stream : we ignore them */
 +        if (pkt.stream_index >= input_files[file_index]->nb_streams)
 +            goto discard_packet;
 +        ist_index = input_files[file_index]->ist_index + pkt.stream_index;
 +        ist = input_streams[ist_index];
 +        if (ist->discard)
 +            goto discard_packet;
 +
 +        if (pkt.dts != AV_NOPTS_VALUE)
 +            pkt.dts += av_rescale_q(input_files[ist->file_index]->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
 +        if (pkt.pts != AV_NOPTS_VALUE)
 +            pkt.pts += av_rescale_q(input_files[ist->file_index]->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
 +
 +        if (pkt.pts != AV_NOPTS_VALUE)
 +            pkt.pts *= ist->ts_scale;
 +        if (pkt.dts != AV_NOPTS_VALUE)
 +            pkt.dts *= ist->ts_scale;
 +
 +        if (debug_ts) {
 +            av_log(NULL, AV_LOG_INFO, "demuxer -> ist_index:%d type:%s "
 +                    "next_dts:%s next_dts_time:%s next_pts:%s next_pts_time:%s  pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s off:%"PRId64"\n",
 +                    ist_index, av_get_media_type_string(ist->st->codec->codec_type),
 +                    av_ts2str(ist->next_dts), av_ts2timestr(ist->next_dts, &ist->st->time_base),
 +                    av_ts2str(ist->next_pts), av_ts2timestr(ist->next_pts, &ist->st->time_base),
 +                    av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base),
 +                    av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base),
 +                    input_files[ist->file_index]->ts_offset);
 +        }
 +
 +        if (pkt.dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE && !copy_ts) {
 +            int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
 +            int64_t delta   = pkt_dts - ist->next_dts;
 +            if (is->iformat->flags & AVFMT_TS_DISCONT) {
 +            if(delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
 +                (delta > 1LL*dts_delta_threshold*AV_TIME_BASE &&
 +                 ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE) ||
 +                pkt_dts+1<ist->pts){
 +                input_files[ist->file_index]->ts_offset -= delta;
 +                av_log(NULL, AV_LOG_DEBUG,
 +                       "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
 +                       delta, input_files[ist->file_index]->ts_offset);
 +                pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
 +                if (pkt.pts != AV_NOPTS_VALUE)
 +                    pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
 +            }
 +            } else {
 +                if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
 +                    (delta > 1LL*dts_error_threshold*AV_TIME_BASE && ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE) ||
 +                     pkt_dts+1<ist->pts){
 +                    av_log(NULL, AV_LOG_WARNING, "DTS %"PRId64", next:%"PRId64" st:%d invalid dropping\n", pkt.dts, ist->next_dts, pkt.stream_index);
 +                    pkt.dts = AV_NOPTS_VALUE;
 +                }
 +                if (pkt.pts != AV_NOPTS_VALUE){
 +                    int64_t pkt_pts = av_rescale_q(pkt.pts, ist->st->time_base, AV_TIME_BASE_Q);
 +                    delta   = pkt_pts - ist->next_dts;
 +                    if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
 +                        (delta > 1LL*dts_error_threshold*AV_TIME_BASE && ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE) ||
 +                        pkt_pts+1<ist->pts) {
 +                        av_log(NULL, AV_LOG_WARNING, "PTS %"PRId64", next:%"PRId64" invalid dropping st:%d\n", pkt.pts, ist->next_dts, pkt.stream_index);
 +                        pkt.pts = AV_NOPTS_VALUE;
 +                    }
 +                }
 +            }
 +        }
 +
 +        // fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
 +        if ((ret = output_packet(ist, &pkt)) < 0 ||
 +            ((ret = poll_filters()) < 0 && ret != AVERROR_EOF)) {
 +            char buf[128];
 +            av_strerror(ret, buf, sizeof(buf));
 +            av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d: %s\n",
 +                   ist->file_index, ist->st->index, buf);
 +            if (exit_on_error)
 +                exit_program(1);
 +            av_free_packet(&pkt);
 +            continue;
 +        }
 +
 +    discard_packet:
 +        av_free_packet(&pkt);
 +
 +        /* dump report by using the output first video and audio streams */
 +        print_report(0, timer_start, cur_time);
 +    }
 +#if HAVE_PTHREADS
 +    free_input_threads();
 +#endif
 +
 +    /* at the end of stream, we must flush the decoder buffers */
 +    for (i = 0; i < nb_input_streams; i++) {
 +        ist = input_streams[i];
 +        if (!input_files[ist->file_index]->eof_reached && ist->decoding_needed) {
 +            output_packet(ist, NULL);
 +        }
 +    }
 +    poll_filters();
 +    flush_encoders();
 +
 +    term_exit();
 +
 +    /* write the trailer if needed and close file */
 +    for (i = 0; i < nb_output_files; i++) {
 +        os = output_files[i]->ctx;
 +        av_write_trailer(os);
 +    }
 +
 +    /* dump report by using the first video and audio streams */
 +    print_report(1, timer_start, av_gettime());
 +
 +    /* close each encoder */
 +    for (i = 0; i < nb_output_streams; i++) {
 +        ost = output_streams[i];
 +        if (ost->encoding_needed) {
 +            av_freep(&ost->st->codec->stats_in);
 +            avcodec_close(ost->st->codec);
 +        }
 +    }
 +
 +    /* close each decoder */
 +    for (i = 0; i < nb_input_streams; i++) {
 +        ist = input_streams[i];
 +        if (ist->decoding_needed) {
 +            avcodec_close(ist->st->codec);
 +        }
 +    }
 +
 +    /* finished ! */
 +    ret = 0;
 +
 + fail:
 +    av_freep(&no_packet);
 +#if HAVE_PTHREADS
 +    free_input_threads();
 +#endif
 +
 +    if (output_streams) {
 +        for (i = 0; i < nb_output_streams; i++) {
 +            ost = output_streams[i];
 +            if (ost) {
 +                if (ost->stream_copy)
 +                    av_freep(&ost->st->codec->extradata);
 +                if (ost->logfile) {
 +                    fclose(ost->logfile);
 +                    ost->logfile = NULL;
 +                }
 +                av_freep(&ost->st->codec->subtitle_header);
 +                av_free(ost->forced_kf_pts);
 +                av_dict_free(&ost->opts);
 +            }
 +        }
 +    }
 +    return ret;
 +}
 +
 +static int opt_frame_crop(const char *opt, const char *arg)
 +{
 +    av_log(NULL, AV_LOG_FATAL, "Option '%s' has been removed, use the crop filter instead\n", opt);
 +    return AVERROR(EINVAL);
 +}
 +
 +static int opt_pad(const char *opt, const char *arg)
 +{
 +    av_log(NULL, AV_LOG_FATAL, "Option '%s' has been removed, use the pad filter instead\n", opt);
 +    return -1;
 +}
 +
 +static int opt_video_channel(const char *opt, const char *arg)
 +{
 +    av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -channel.\n");
 +    return opt_default("channel", arg);
 +}
 +
 +static int opt_video_standard(const char *opt, const char *arg)
 +{
 +    av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -standard.\n");
 +    return opt_default("standard", arg);
 +}
 +
 +static int opt_audio_codec(OptionsContext *o, const char *opt, const char *arg)
 +{
 +    audio_codec_name = arg;
 +    return parse_option(o, "codec:a", arg, options);
 +}
 +
 +static int opt_video_codec(OptionsContext *o, const char *opt, const char *arg)
 +{
 +    video_codec_name = arg;
 +    return parse_option(o, "codec:v", arg, options);
 +}
 +
 +static int opt_subtitle_codec(OptionsContext *o, const char *opt, const char *arg)
 +{
 +    subtitle_codec_name = arg;
 +    return parse_option(o, "codec:s", arg, options);
 +}
 +
 +static int opt_data_codec(OptionsContext *o, const char *opt, const char *arg)
 +{
 +    return parse_option(o, "codec:d", arg, options);
 +}
 +
 +static int opt_map(OptionsContext *o, const char *opt, const char *arg)
 +{
 +    StreamMap *m = NULL;
 +    int i, negative = 0, file_idx;
 +    int sync_file_idx = -1, sync_stream_idx = 0;
 +    char *p, *sync;
 +    char *map;
 +
 +    if (*arg == '-') {
 +        negative = 1;
 +        arg++;
 +    }
 +    map = av_strdup(arg);
 +
 +    /* parse sync stream first, just pick first matching stream */
 +    if (sync = strchr(map, ',')) {
 +        *sync = 0;
 +        sync_file_idx = strtol(sync + 1, &sync, 0);
 +        if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
 +            av_log(NULL, AV_LOG_FATAL, "Invalid sync file index: %d.\n", sync_file_idx);
 +            exit_program(1);
 +        }
 +        if (*sync)
 +            sync++;
 +        for (i = 0; i < input_files[sync_file_idx]->nb_streams; i++)
 +            if (check_stream_specifier(input_files[sync_file_idx]->ctx,
 +                                       input_files[sync_file_idx]->ctx->streams[i], sync) == 1) {
 +                sync_stream_idx = i;
 +                break;
 +            }
 +        if (i == input_files[sync_file_idx]->nb_streams) {
 +            av_log(NULL, AV_LOG_FATAL, "Sync stream specification in map %s does not "
 +                                       "match any streams.\n", arg);
 +            exit_program(1);
 +        }
 +    }
 +
 +
 +    if (map[0] == '[') {
 +        /* this mapping refers to lavfi output */
 +        const char *c = map + 1;
 +        o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
 +                                    &o->nb_stream_maps, o->nb_stream_maps + 1);
 +        m = &o->stream_maps[o->nb_stream_maps - 1];
 +        m->linklabel = av_get_token(&c, "]");
 +        if (!m->linklabel) {
 +            av_log(NULL, AV_LOG_ERROR, "Invalid output link label: %s.\n", map);
 +            exit_program(1);
 +        }
 +    } else {
 +        file_idx = strtol(map, &p, 0);
 +        if (file_idx >= nb_input_files || file_idx < 0) {
 +            av_log(NULL, AV_LOG_FATAL, "Invalid input file index: %d.\n", file_idx);
 +            exit_program(1);
 +        }
 +        if (negative)
 +            /* disable some already defined maps */
 +            for (i = 0; i < o->nb_stream_maps; i++) {
 +                m = &o->stream_maps[i];
 +                if (file_idx == m->file_index &&
 +                    check_stream_specifier(input_files[m->file_index]->ctx,
 +                                           input_files[m->file_index]->ctx->streams[m->stream_index],
 +                                           *p == ':' ? p + 1 : p) > 0)
 +                    m->disabled = 1;
 +            }
 +        else
 +            for (i = 0; i < input_files[file_idx]->nb_streams; i++) {
 +                if (check_stream_specifier(input_files[file_idx]->ctx, input_files[file_idx]->ctx->streams[i],
 +                            *p == ':' ? p + 1 : p) <= 0)
 +                    continue;
 +                o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
 +                                            &o->nb_stream_maps, o->nb_stream_maps + 1);
 +                m = &o->stream_maps[o->nb_stream_maps - 1];
 +
 +                m->file_index   = file_idx;
 +                m->stream_index = i;
 +
 +                if (sync_file_idx >= 0) {
 +                    m->sync_file_index   = sync_file_idx;
 +                    m->sync_stream_index = sync_stream_idx;
 +                } else {
 +                    m->sync_file_index   = file_idx;
 +                    m->sync_stream_index = i;
 +                }
 +            }
 +    }
 +
 +    if (!m) {
 +        av_log(NULL, AV_LOG_FATAL, "Stream map '%s' matches no streams.\n", arg);
 +        exit_program(1);
 +    }
 +
 +    av_freep(&map);
 +    return 0;
 +}
 +
 +static int opt_attach(OptionsContext *o, const char *opt, const char *arg)
 +{
 +    o->attachments = grow_array(o->attachments, sizeof(*o->attachments),
 +                                &o->nb_attachments, o->nb_attachments + 1);
 +    o->attachments[o->nb_attachments - 1] = arg;
 +    return 0;
 +}
 +
 +static int opt_map_channel(OptionsContext *o, const char *opt, const char *arg)
 +{
 +    int n;
 +    AVStream *st;
 +    AudioChannelMap *m;
 +
 +    o->audio_channel_maps =
 +        grow_array(o->audio_channel_maps, sizeof(*o->audio_channel_maps),
 +                   &o->nb_audio_channel_maps, o->nb_audio_channel_maps + 1);
 +    m = &o->audio_channel_maps[o->nb_audio_channel_maps - 1];
 +
 +    /* muted channel syntax */
 +    n = sscanf(arg, "%d:%d.%d", &m->channel_idx, &m->ofile_idx, &m->ostream_idx);
 +    if ((n == 1 || n == 3) && m->channel_idx == -1) {
 +        m->file_idx = m->stream_idx = -1;
 +        if (n == 1)
 +            m->ofile_idx = m->ostream_idx = -1;
 +        return 0;
 +    }
 +
 +    /* normal syntax */
 +    n = sscanf(arg, "%d.%d.%d:%d.%d",
 +               &m->file_idx,  &m->stream_idx, &m->channel_idx,
 +               &m->ofile_idx, &m->ostream_idx);
 +
 +    if (n != 3 && n != 5) {
 +        av_log(NULL, AV_LOG_FATAL, "Syntax error, mapchan usage: "
 +               "[file.stream.channel|-1][:syncfile:syncstream]\n");
 +        exit_program(1);
 +    }
 +
 +    if (n != 5) // only file.stream.channel specified
 +        m->ofile_idx = m->ostream_idx = -1;
 +
 +    /* check input */
 +    if (m->file_idx < 0 || m->file_idx >= nb_input_files) {
 +        av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file index: %d\n",
 +               m->file_idx);
 +        exit_program(1);
 +    }
 +    if (m->stream_idx < 0 ||
 +        m->stream_idx >= input_files[m->file_idx]->nb_streams) {
 +        av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file stream index #%d.%d\n",
 +               m->file_idx, m->stream_idx);
 +        exit_program(1);
 +    }
 +    st = input_files[m->file_idx]->ctx->streams[m->stream_idx];
 +    if (st->codec->codec_type != AVMEDIA_TYPE_AUDIO) {
 +        av_log(NULL, AV_LOG_FATAL, "mapchan: stream #%d.%d is not an audio stream.\n",
 +               m->file_idx, m->stream_idx);
 +        exit_program(1);
 +    }
 +    if (m->channel_idx < 0 || m->channel_idx >= st->codec->channels) {
 +        av_log(NULL, AV_LOG_FATAL, "mapchan: invalid audio channel #%d.%d.%d\n",
 +               m->file_idx, m->stream_idx, m->channel_idx);
 +        exit_program(1);
 +    }
 +    return 0;
 +}
 +
 +/**
 + * Parse a metadata specifier in arg.
 + * @param type metadata type is written here -- g(lobal)/s(tream)/c(hapter)/p(rogram)
 + * @param index for type c/p, chapter/program index is written here
 + * @param stream_spec for type s, the stream specifier is written here
 + */
 +static void parse_meta_type(char *arg, char *type, int *index, const char **stream_spec)
 +{
 +    if (*arg) {
 +        *type = *arg;
 +        switch (*arg) {
 +        case 'g':
 +            break;
 +        case 's':
 +            if (*(++arg) && *arg != ':') {
 +                av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", arg);
 +                exit_program(1);
 +            }
 +            *stream_spec = *arg == ':' ? arg + 1 : "";
 +            break;
 +        case 'c':
 +        case 'p':
 +            if (*(++arg) == ':')
 +                *index = strtol(++arg, NULL, 0);
 +            break;
 +        default:
 +            av_log(NULL, AV_LOG_FATAL, "Invalid metadata type %c.\n", *arg);
 +            exit_program(1);
 +        }
 +    } else
 +        *type = 'g';
 +}
 +
 +static int copy_metadata(char *outspec, char *inspec, AVFormatContext *oc, AVFormatContext *ic, OptionsContext *o)
 +{
 +    AVDictionary **meta_in = NULL;
 +    AVDictionary **meta_out = NULL;
 +    int i, ret = 0;
 +    char type_in, type_out;
 +    const char *istream_spec = NULL, *ostream_spec = NULL;
 +    int idx_in = 0, idx_out = 0;
 +
 +    parse_meta_type(inspec,  &type_in,  &idx_in,  &istream_spec);
 +    parse_meta_type(outspec, &type_out, &idx_out, &ostream_spec);
 +
 +    if (!ic) {
 +        if (type_out == 'g' || !*outspec)
 +            o->metadata_global_manual = 1;
 +        if (type_out == 's' || !*outspec)
 +            o->metadata_streams_manual = 1;
 +        if (type_out == 'c' || !*outspec)
 +            o->metadata_chapters_manual = 1;
 +        return 0;
 +    }
 +
 +    if (type_in == 'g' || type_out == 'g')
 +        o->metadata_global_manual = 1;
 +    if (type_in == 's' || type_out == 's')
 +        o->metadata_streams_manual = 1;
 +    if (type_in == 'c' || type_out == 'c')
 +        o->metadata_chapters_manual = 1;
 +
 +#define METADATA_CHECK_INDEX(index, nb_elems, desc)\
 +    if ((index) < 0 || (index) >= (nb_elems)) {\
 +        av_log(NULL, AV_LOG_FATAL, "Invalid %s index %d while processing metadata maps.\n",\
 +                (desc), (index));\
 +        exit_program(1);\
 +    }
 +
 +#define SET_DICT(type, meta, context, index)\
 +        switch (type) {\
 +        case 'g':\
 +            meta = &context->metadata;\
 +            break;\
 +        case 'c':\
 +            METADATA_CHECK_INDEX(index, context->nb_chapters, "chapter")\
 +            meta = &context->chapters[index]->metadata;\
 +            break;\
 +        case 'p':\
 +            METADATA_CHECK_INDEX(index, context->nb_programs, "program")\
 +            meta = &context->programs[index]->metadata;\
 +            break;\
++        default: av_assert0(0);\
 +        }\
 +
 +    SET_DICT(type_in, meta_in, ic, idx_in);
 +    SET_DICT(type_out, meta_out, oc, idx_out);
 +
 +    /* for input streams choose first matching stream */
 +    if (type_in == 's') {
 +        for (i = 0; i < ic->nb_streams; i++) {
 +            if ((ret = check_stream_specifier(ic, ic->streams[i], istream_spec)) > 0) {
 +                meta_in = &ic->streams[i]->metadata;
 +                break;
 +            } else if (ret < 0)
 +                exit_program(1);
 +        }
 +        if (!meta_in) {
 +            av_log(NULL, AV_LOG_FATAL, "Stream specifier %s does not match  any streams.\n", istream_spec);
 +            exit_program(1);
 +        }
 +    }
 +
 +    if (type_out == 's') {
 +        for (i = 0; i < oc->nb_streams; i++) {
 +            if ((ret = check_stream_specifier(oc, oc->streams[i], ostream_spec)) > 0) {
 +                meta_out = &oc->streams[i]->metadata;
 +                av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
 +            } else if (ret < 0)
 +                exit_program(1);
 +        }
 +    } else
 +        av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
 +
 +    return 0;
 +}
 +
 +static int opt_recording_timestamp(OptionsContext *o, const char *opt, const char *arg)
 +{
 +    char buf[128];
 +    int64_t recording_timestamp = parse_time_or_die(opt, arg, 0) / 1E6;
 +    struct tm time = *gmtime((time_t*)&recording_timestamp);
 +    strftime(buf, sizeof(buf), "creation_time=%FT%T%z", &time);
 +    parse_option(o, "metadata", buf, options);
 +
 +    av_log(NULL, AV_LOG_WARNING, "%s is deprecated, set the 'creation_time' metadata "
 +                                 "tag instead.\n", opt);
 +    return 0;
 +}
 +
 +static AVCodec *find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
 +{
 +    const char *codec_string = encoder ? "encoder" : "decoder";
 +    AVCodec *codec;
 +
 +    codec = encoder ?
 +        avcodec_find_encoder_by_name(name) :
 +        avcodec_find_decoder_by_name(name);
 +    if (!codec) {
 +        av_log(NULL, AV_LOG_FATAL, "Unknown %s '%s'\n", codec_string, name);
 +        exit_program(1);
 +    }
 +    if (codec->type != type) {
 +        av_log(NULL, AV_LOG_FATAL, "Invalid %s type '%s'\n", codec_string, name);
 +        exit_program(1);
 +    }
 +    return codec;
 +}
 +
 +static AVCodec *choose_decoder(OptionsContext *o, AVFormatContext *s, AVStream *st)
 +{
 +    char *codec_name = NULL;
 +
 +    MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st);
 +    if (codec_name) {
 +        AVCodec *codec = find_codec_or_die(codec_name, st->codec->codec_type, 0);
 +        st->codec->codec_id = codec->id;
 +        return codec;
 +    } else
 +        return avcodec_find_decoder(st->codec->codec_id);
 +}
 +
 +/**
 + * Add all the streams from the given input file to the global
 + * list of input streams.
 + */
 +static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
 +{
 +    int i;
 +    char *next, *codec_tag = NULL;
 +
 +    for (i = 0; i < ic->nb_streams; i++) {
 +        AVStream *st = ic->streams[i];
 +        AVCodecContext *dec = st->codec;
 +        InputStream *ist = av_mallocz(sizeof(*ist));
 +        char *framerate = NULL;
 +
 +        if (!ist)
 +            exit_program(1);
 +
 +        input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
 +        input_streams[nb_input_streams - 1] = ist;
 +
 +        ist->st = st;
 +        ist->file_index = nb_input_files;
 +        ist->discard = 1;
 +        st->discard  = AVDISCARD_ALL;
 +        ist->opts = filter_codec_opts(codec_opts, choose_decoder(o, ic, st), ic, st);
 +
 +        ist->ts_scale = 1.0;
 +        MATCH_PER_STREAM_OPT(ts_scale, dbl, ist->ts_scale, ic, st);
 +
 +        MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, ic, st);
 +        if (codec_tag) {
 +            uint32_t tag = strtol(codec_tag, &next, 0);
 +            if (*next)
 +                tag = AV_RL32(codec_tag);
 +            st->codec->codec_tag = tag;
 +        }
 +
 +        ist->dec = choose_decoder(o, ic, st);
 +
 +        switch (dec->codec_type) {
 +        case AVMEDIA_TYPE_VIDEO:
 +            if(!ist->dec)
 +                ist->dec = avcodec_find_decoder(dec->codec_id);
 +            if (dec->lowres) {
 +                dec->flags |= CODEC_FLAG_EMU_EDGE;
 +            }
 +
 +            ist->resample_height  = dec->height;
 +            ist->resample_width   = dec->width;
 +            ist->resample_pix_fmt = dec->pix_fmt;
 +
 +            MATCH_PER_STREAM_OPT(frame_rates, str, framerate, ic, st);
 +            if (framerate && av_parse_video_rate(&ist->framerate,
 +                                                 framerate) < 0) {
 +                av_log(NULL, AV_LOG_ERROR, "Error parsing framerate %s.\n",
 +                       framerate);
 +                exit_program(1);
 +            }
 +
 +            ist->top_field_first = -1;
 +            MATCH_PER_STREAM_OPT(top_field_first, i, ist->top_field_first, ic, st);
 +
 +            break;
 +        case AVMEDIA_TYPE_AUDIO:
 +            guess_input_channel_layout(ist);
 +
 +            ist->resample_sample_fmt     = dec->sample_fmt;
 +            ist->resample_sample_rate    = dec->sample_rate;
 +            ist->resample_channels       = dec->channels;
 +            ist->resample_channel_layout = dec->channel_layout;
 +
 +            break;
 +        case AVMEDIA_TYPE_DATA:
 +        case AVMEDIA_TYPE_SUBTITLE:
 +            if(!ist->dec)
 +                ist->dec = avcodec_find_decoder(dec->codec_id);
 +            break;
 +        case AVMEDIA_TYPE_ATTACHMENT:
 +        case AVMEDIA_TYPE_UNKNOWN:
 +            break;
 +        default:
 +            abort();
 +        }
 +    }
 +}
 +
 +static void assert_file_overwrite(const char *filename)
 +{
 +    if ((!file_overwrite || no_file_overwrite) &&
 +        (strchr(filename, ':') == NULL || filename[1] == ':' ||
 +         av_strstart(filename, "file:", NULL))) {
 +        if (avio_check(filename, 0) == 0) {
 +            if (!using_stdin && (!no_file_overwrite || file_overwrite)) {
 +                fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
 +                fflush(stderr);
 +                term_exit();
 +                signal(SIGINT, SIG_DFL);
 +                if (!read_yesno()) {
 +                    av_log(NULL, AV_LOG_FATAL, "Not overwriting - exiting\n");
 +                    exit_program(1);
 +                }
 +                term_init();
 +            }
 +            else {
 +                av_log(NULL, AV_LOG_FATAL, "File '%s' already exists. Exiting.\n", filename);
 +                exit_program(1);
 +            }
 +        }
 +    }
 +}
 +
 +static void dump_attachment(AVStream *st, const char *filename)
 +{
 +    int ret;
 +    AVIOContext *out = NULL;
 +    AVDictionaryEntry *e;
 +
 +    if (!st->codec->extradata_size) {
 +        av_log(NULL, AV_LOG_WARNING, "No extradata to dump in stream #%d:%d.\n",
 +               nb_input_files - 1, st->index);
 +        return;
 +    }
 +    if (!*filename && (e = av_dict_get(st->metadata, "filename", NULL, 0)))
 +        filename = e->value;
 +    if (!*filename) {
 +        av_log(NULL, AV_LOG_FATAL, "No filename specified and no 'filename' tag"
 +               "in stream #%d:%d.\n", nb_input_files - 1, st->index);
 +        exit_program(1);
 +    }
 +
 +    assert_file_overwrite(filename);
 +
 +    if ((ret = avio_open2(&out, filename, AVIO_FLAG_WRITE, &int_cb, NULL)) < 0) {
 +        av_log(NULL, AV_LOG_FATAL, "Could not open file %s for writing.\n",
 +               filename);
 +        exit_program(1);
 +    }
 +
 +    avio_write(out, st->codec->extradata, st->codec->extradata_size);
 +    avio_flush(out);
 +    avio_close(out);
 +}
 +
 +static int opt_input_file(OptionsContext *o, const char *opt, const char *filename)
 +{
 +    AVFormatContext *ic;
 +    AVInputFormat *file_iformat = NULL;
 +    int err, i, ret;
 +    int64_t timestamp;
 +    uint8_t buf[128];
 +    AVDictionary **opts;
 +    int orig_nb_streams;                     // number of streams before avformat_find_stream_info
 +
 +    if (o->format) {
 +        if (!(file_iformat = av_find_input_format(o->format))) {
 +            av_log(NULL, AV_LOG_FATAL, "Unknown input format: '%s'\n", o->format);
 +            exit_program(1);
 +        }
 +    }
 +
 +    if (!strcmp(filename, "-"))
 +        filename = "pipe:";
 +
 +    using_stdin |= !strncmp(filename, "pipe:", 5) ||
 +                    !strcmp(filename, "/dev/stdin");
 +
 +    /* get default parameters from command line */
 +    ic = avformat_alloc_context();
 +    if (!ic) {
 +        print_error(filename, AVERROR(ENOMEM));
 +        exit_program(1);
 +    }
 +    if (o->nb_audio_sample_rate) {
 +        snprintf(buf, sizeof(buf), "%d", o->audio_sample_rate[o->nb_audio_sample_rate - 1].u.i);
 +        av_dict_set(&format_opts, "sample_rate", buf, 0);
 +    }
 +    if (o->nb_audio_channels) {
 +        /* because we set audio_channels based on both the "ac" and
 +         * "channel_layout" options, we need to check that the specified
 +         * demuxer actually has the "channels" option before setting it */
 +        if (file_iformat && file_iformat->priv_class &&
 +            av_opt_find(&file_iformat->priv_class, "channels", NULL, 0,
 +                        AV_OPT_SEARCH_FAKE_OBJ)) {
 +            snprintf(buf, sizeof(buf), "%d",
 +                     o->audio_channels[o->nb_audio_channels - 1].u.i);
 +            av_dict_set(&format_opts, "channels", buf, 0);
 +        }
 +    }
 +    if (o->nb_frame_rates) {
 +        /* set the format-level framerate option;
 +         * this is important for video grabbers, e.g. x11 */
 +        if (file_iformat && file_iformat->priv_class &&
 +            av_opt_find(&file_iformat->priv_class, "framerate", NULL, 0,
 +                        AV_OPT_SEARCH_FAKE_OBJ)) {
 +            av_dict_set(&format_opts, "framerate",
 +                        o->frame_rates[o->nb_frame_rates - 1].u.str, 0);
 +        }
 +    }
 +    if (o->nb_frame_sizes) {
 +        av_dict_set(&format_opts, "video_size", o->frame_sizes[o->nb_frame_sizes - 1].u.str, 0);
 +    }
 +    if (o->nb_frame_pix_fmts)
 +        av_dict_set(&format_opts, "pixel_format", o->frame_pix_fmts[o->nb_frame_pix_fmts - 1].u.str, 0);
 +
 +    ic->video_codec_id   = video_codec_name ?
 +        find_codec_or_die(video_codec_name   , AVMEDIA_TYPE_VIDEO   , 0)->id : CODEC_ID_NONE;
 +    ic->audio_codec_id   = audio_codec_name ?
 +        find_codec_or_die(audio_codec_name   , AVMEDIA_TYPE_AUDIO   , 0)->id : CODEC_ID_NONE;
 +    ic->subtitle_codec_id= subtitle_codec_name ?
 +        find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0)->id : CODEC_ID_NONE;
 +    ic->flags |= AVFMT_FLAG_NONBLOCK;
 +    ic->interrupt_callback = int_cb;
 +
 +    /* open the input file with generic avformat function */
 +    err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
 +    if (err < 0) {
 +        print_error(filename, err);
 +        exit_program(1);
 +    }
 +    assert_avoptions(format_opts);
 +
 +    /* apply forced codec ids */
 +    for (i = 0; i < ic->nb_streams; i++)
 +        choose_decoder(o, ic, ic->streams[i]);
 +
 +    /* Set AVCodecContext options for avformat_find_stream_info */
 +    opts = setup_find_stream_info_opts(ic, codec_opts);
 +    orig_nb_streams = ic->nb_streams;
 +
 +    /* If not enough info to get the stream parameters, we decode the
 +       first frames to get it. (used in mpeg case for example) */
 +    ret = avformat_find_stream_info(ic, opts);
 +    if (ret < 0) {
 +        av_log(NULL, AV_LOG_FATAL, "%s: could not find codec parameters\n", filename);
 +        avformat_close_input(&ic);
 +        exit_program(1);
 +    }
 +
 +    timestamp = o->start_time;
 +    /* add the stream start time */
 +    if (ic->start_time != AV_NOPTS_VALUE)
 +        timestamp += ic->start_time;
 +
 +    /* if seeking requested, we execute it */
 +    if (o->start_time != 0) {
 +        ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
 +        if (ret < 0) {
 +            av_log(NULL, AV_LOG_WARNING, "%s: could not seek to position %0.3f\n",
 +                   filename, (double)timestamp / AV_TIME_BASE);
 +        }
 +    }
 +
 +    /* update the current parameters so that they match the one of the input stream */
 +    add_input_streams(o, ic);
 +
 +    /* dump the file content */
 +    av_dump_format(ic, nb_input_files, filename, 0);
 +
 +    input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
 +    if (!(input_files[nb_input_files - 1] = av_mallocz(sizeof(*input_files[0]))))
 +        exit_program(1);
 +
 +    input_files[nb_input_files - 1]->ctx        = ic;
 +    input_files[nb_input_files - 1]->ist_index  = nb_input_streams - ic->nb_streams;
 +    input_files[nb_input_files - 1]->ts_offset  = o->input_ts_offset - (copy_ts ? 0 : timestamp);
 +    input_files[nb_input_files - 1]->nb_streams = ic->nb_streams;
 +    input_files[nb_input_files - 1]->rate_emu   = o->rate_emu;
 +
 +    for (i = 0; i < o->nb_dump_attachment; i++) {
 +        int j;
 +
 +        for (j = 0; j < ic->nb_streams; j++) {
 +            AVStream *st = ic->streams[j];
 +
 +            if (check_stream_specifier(ic, st, o->dump_attachment[i].specifier) == 1)
 +                dump_attachment(st, o->dump_attachment[i].u.str);
 +        }
 +    }
 +
 +    for (i = 0; i < orig_nb_streams; i++)
 +        av_dict_free(&opts[i]);
 +    av_freep(&opts);
 +
 +    reset_options(o, 1);
 +    return 0;
 +}
 +
 +static uint8_t *get_line(AVIOContext *s)
 +{
 +    AVIOContext *line;
 +    uint8_t *buf;
 +    char c;
 +
 +    if (avio_open_dyn_buf(&line) < 0) {
 +        av_log(NULL, AV_LOG_FATAL, "Could not alloc buffer for reading preset.\n");
 +        exit_program(1);
 +    }
 +
 +    while ((c = avio_r8(s)) && c != '\n')
 +        avio_w8(line, c);
 +    avio_w8(line, 0);
 +    avio_close_dyn_buf(line, &buf);
 +
 +    return buf;
 +}
 +
 +static int get_preset_file_2(const char *preset_name, const char *codec_name, AVIOContext **s)
 +{
 +    int i, ret = 1;
 +    char filename[1000];
 +    const char *base[3] = { getenv("AVCONV_DATADIR"),
 +                            getenv("HOME"),
 +                            AVCONV_DATADIR,
 +                            };
 +
 +    for (i = 0; i < FF_ARRAY_ELEMS(base) && ret; i++) {
 +        if (!base[i])
 +            continue;
 +        if (codec_name) {
 +            snprintf(filename, sizeof(filename), "%s%s/%s-%s.avpreset", base[i],
 +                     i != 1 ? "" : "/.avconv", codec_name, preset_name);
 +            ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
 +        }
 +        if (ret) {
 +            snprintf(filename, sizeof(filename), "%s%s/%s.avpreset", base[i],
 +                     i != 1 ? "" : "/.avconv", preset_name);
 +            ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
 +        }
 +    }
 +    return ret;
 +}
 +
 +static void choose_encoder(OptionsContext *o, AVFormatContext *s, OutputStream *ost)
 +{
 +    char *codec_name = NULL;
 +
 +    MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, ost->st);
 +    if (!codec_name) {
 +        ost->st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename,
 +                                                  NULL, ost->st->codec->codec_type);
 +        ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
 +    } else if (!strcmp(codec_name, "copy"))
 +        ost->stream_copy = 1;
 +    else {
 +        ost->enc = find_codec_or_die(codec_name, ost->st->codec->codec_type, 1);
 +        ost->st->codec->codec_id = ost->enc->id;
 +    }
 +}
 +
 +static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type, int source_index)
 +{
 +    OutputStream *ost;
 +    AVStream *st = avformat_new_stream(oc, NULL);
 +    int idx      = oc->nb_streams - 1, ret = 0;
 +    char *bsf = NULL, *next, *codec_tag = NULL;
 +    AVBitStreamFilterContext *bsfc, *bsfc_prev = NULL;
 +    double qscale = -1;
 +    char *buf = NULL, *arg = NULL, *preset = NULL;
 +    AVIOContext *s = NULL;
 +
 +    if (!st) {
 +        av_log(NULL, AV_LOG_FATAL, "Could not alloc stream.\n");
 +        exit_program(1);
 +    }
 +
 +    if (oc->nb_streams - 1 < o->nb_streamid_map)
 +        st->id = o->streamid_map[oc->nb_streams - 1];
 +
 +    output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
 +                                nb_output_streams + 1);
 +    if (!(ost = av_mallocz(sizeof(*ost))))
 +        exit_program(1);
 +    output_streams[nb_output_streams - 1] = ost;
 +
 +    ost->file_index = nb_output_files;
 +    ost->index      = idx;
 +    ost->st         = st;
 +    st->codec->codec_type = type;
 +    choose_encoder(o, oc, ost);
 +    if (ost->enc) {
 +        ost->opts  = filter_codec_opts(codec_opts, ost->enc, oc, st);
 +    }
 +
 +    avcodec_get_context_defaults3(st->codec, ost->enc);
 +    st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
 +
 +    MATCH_PER_STREAM_OPT(presets, str, preset, oc, st);
 +    if (preset && (!(ret = get_preset_file_2(preset, ost->enc->name, &s)))) {
 +        do  {
 +            buf = get_line(s);
 +            if (!buf[0] || buf[0] == '#') {
 +                av_free(buf);
 +                continue;
 +            }
 +            if (!(arg = strchr(buf, '='))) {
 +                av_log(NULL, AV_LOG_FATAL, "Invalid line found in the preset file.\n");
 +                exit_program(1);
 +            }
 +            *arg++ = 0;
 +            av_dict_set(&ost->opts, buf, arg, AV_DICT_DONT_OVERWRITE);
 +            av_free(buf);
 +        } while (!s->eof_reached);
 +        avio_close(s);
 +    }
 +    if (ret) {
 +        av_log(NULL, AV_LOG_FATAL,
 +               "Preset %s specified for stream %d:%d, but could not be opened.\n",
 +               preset, ost->file_index, ost->index);
 +        exit_program(1);
 +    }
 +
 +    ost->max_frames = INT64_MAX;
 +    MATCH_PER_STREAM_OPT(max_frames, i64, ost->max_frames, oc, st);
 +
 +    MATCH_PER_STREAM_OPT(bitstream_filters, str, bsf, oc, st);
 +    while (bsf) {
 +        if (next = strchr(bsf, ','))
 +            *next++ = 0;
 +        if (!(bsfc = av_bitstream_filter_init(bsf))) {
 +            av_log(NULL, AV_LOG_FATAL, "Unknown bitstream filter %s\n", bsf);
 +            exit_program(1);
 +        }
 +        if (bsfc_prev)
 +            bsfc_prev->next = bsfc;
 +        else
 +            ost->bitstream_filters = bsfc;
 +
 +        bsfc_prev = bsfc;
 +        bsf       = next;
 +    }
 +
 +    MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, oc, st);
 +    if (codec_tag) {
 +        uint32_t tag = strtol(codec_tag, &next, 0);
 +        if (*next)
 +            tag = AV_RL32(codec_tag);
 +        st->codec->codec_tag = tag;
 +    }
 +
 +    MATCH_PER_STREAM_OPT(qscale, dbl, qscale, oc, st);
 +    if (qscale >= 0 || same_quant) {
 +        st->codec->flags |= CODEC_FLAG_QSCALE;
 +        st->codec->global_quality = FF_QP2LAMBDA * qscale;
 +    }
 +
 +    if (oc->oformat->flags & AVFMT_GLOBALHEADER)
 +        st->codec->flags |= CODEC_FLAG_GLOBAL_HEADER;
 +
 +    av_opt_get_int(sws_opts, "sws_flags", 0, &ost->sws_flags);
 +    av_opt_get_int   (swr_opts, "dither_method", 0, &ost->swr_dither_method);
 +    av_opt_get_double(swr_opts, "dither_scale" , 0, &ost->swr_dither_scale);
 +
 +    ost->source_index = source_index;
 +    if (source_index >= 0) {
 +        ost->sync_ist = input_streams[source_index];
 +        input_streams[source_index]->discard = 0;
 +        input_streams[source_index]->st->discard = AVDISCARD_NONE;
 +    }
 +
 +    return ost;
 +}
 +
 +static void parse_matrix_coeffs(uint16_t *dest, const char *str)
 +{
 +    int i;
 +    const char *p = str;
 +    for (i = 0;; i++) {
 +        dest[i] = atoi(p);
 +        if (i == 63)
 +            break;
 +        p = strchr(p, ',');
 +        if (!p) {
 +            av_log(NULL, AV_LOG_FATAL, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
 +            exit_program(1);
 +        }
 +        p++;
 +    }
 +}
 +
 +static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
 +{
 +    AVStream *st;
 +    OutputStream *ost;
 +    AVCodecContext *video_enc;
 +    char *frame_rate = NULL;
 +
 +    ost = new_output_stream(o, oc, AVMEDIA_TYPE_VIDEO, source_index);
 +    st  = ost->st;
 +    video_enc = st->codec;
 +
 +    MATCH_PER_STREAM_OPT(frame_rates, str, frame_rate, oc, st);
 +    if (frame_rate && av_parse_video_rate(&ost->frame_rate, frame_rate) < 0) {
 +        av_log(NULL, AV_LOG_FATAL, "Invalid framerate value: %s\n", frame_rate);
 +        exit_program(1);
 +    }
 +
 +    if (!ost->stream_copy) {
 +        const char *p = NULL;
 +        char *frame_size = NULL;
 +        char *frame_aspect_ratio = NULL, *frame_pix_fmt = NULL;
 +        char *intra_matrix = NULL, *inter_matrix = NULL;
 +        const char *filters = "null";
 +        int i;
 +
 +        MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st);
 +        if (frame_size && av_parse_video_size(&video_enc->width, &video_enc->height, frame_size) < 0) {
 +            av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size);
 +            exit_program(1);
 +        }
 +
 +        MATCH_PER_STREAM_OPT(frame_aspect_ratios, str, frame_aspect_ratio, oc, st);
 +        if (frame_aspect_ratio) {
 +            AVRational q;
 +            if (av_parse_ratio(&q, frame_aspect_ratio, 255, 0, NULL) < 0 ||
 +                q.num <= 0 || q.den <= 0) {
 +                av_log(NULL, AV_LOG_FATAL, "Invalid aspect ratio: %s\n", frame_aspect_ratio);
 +                exit_program(1);
 +            }
 +            ost->frame_aspect_ratio = av_q2d(q);
 +        }
 +
 +        video_enc->bits_per_raw_sample = frame_bits_per_raw_sample;
 +        MATCH_PER_STREAM_OPT(frame_pix_fmts, str, frame_pix_fmt, oc, st);
 +        if (frame_pix_fmt && *frame_pix_fmt == '+') {
 +            ost->keep_pix_fmt = 1;
 +            if (!*++frame_pix_fmt)
 +                frame_pix_fmt = NULL;
 +        }
 +        if (frame_pix_fmt && (video_enc->pix_fmt = av_get_pix_fmt(frame_pix_fmt)) == PIX_FMT_NONE) {
 +            av_log(NULL, AV_LOG_FATAL, "Unknown pixel format requested: %s.\n", frame_pix_fmt);
 +            exit_program(1);
 +        }
 +        st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
 +
 +        if (intra_only)
 +            video_enc->gop_size = 0;
 +        MATCH_PER_STREAM_OPT(intra_matrices, str, intra_matrix, oc, st);
 +        if (intra_matrix) {
 +            if (!(video_enc->intra_matrix = av_mallocz(sizeof(*video_enc->intra_matrix) * 64))) {
 +                av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for intra matrix.\n");
 +                exit_program(1);
 +            }
 +            parse_matrix_coeffs(video_enc->intra_matrix, intra_matrix);
 +        }
 +        MATCH_PER_STREAM_OPT(inter_matrices, str, inter_matrix, oc, st);
 +        if (inter_matrix) {
 +            if (!(video_enc->inter_matrix = av_mallocz(sizeof(*video_enc->inter_matrix) * 64))) {
 +                av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for inter matrix.\n");
 +                exit_program(1);
 +            }
 +            parse_matrix_coeffs(video_enc->inter_matrix, inter_matrix);
 +        }
 +
 +        MATCH_PER_STREAM_OPT(rc_overrides, str, p, oc, st);
 +        for (i = 0; p; i++) {
 +            int start, end, q;
 +            int e = sscanf(p, "%d,%d,%d", &start, &end, &q);
 +            if (e != 3) {
 +                av_log(NULL, AV_LOG_FATAL, "error parsing rc_override\n");
 +                exit_program(1);
 +            }
 +            /* FIXME realloc failure */
 +            video_enc->rc_override =
 +                av_realloc(video_enc->rc_override,
 +                           sizeof(RcOverride) * (i + 1));
 +            video_enc->rc_override[i].start_frame = start;
 +            video_enc->rc_override[i].end_frame   = end;
 +            if (q > 0) {
 +                video_enc->rc_override[i].qscale         = q;
 +                video_enc->rc_override[i].quality_factor = 1.0;
 +            }
 +            else {
 +                video_enc->rc_override[i].qscale         = 0;
 +                video_enc->rc_override[i].quality_factor = -q/100.0;
 +            }
 +            p = strchr(p, '/');
 +            if (p) p++;
 +        }
 +        video_enc->rc_override_count = i;
 +        if (!video_enc->rc_initial_buffer_occupancy)
 +            video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size * 3 / 4;
 +        video_enc->intra_dc_precision = intra_dc_precision - 8;
 +
 +        if (do_psnr)
 +            video_enc->flags|= CODEC_FLAG_PSNR;
 +
 +        /* two pass mode */
 +        if (do_pass) {
 +            if (do_pass & 1) {
 +                video_enc->flags |= CODEC_FLAG_PASS1;
 +            }
 +            if (do_pass & 2) {
 +                video_enc->flags |= CODEC_FLAG_PASS2;
 +            }
 +        }
 +
 +        MATCH_PER_STREAM_OPT(forced_key_frames, str, ost->forced_keyframes, oc, st);
 +        if (ost->forced_keyframes)
 +            ost->forced_keyframes = av_strdup(ost->forced_keyframes);
 +
 +        MATCH_PER_STREAM_OPT(force_fps, i, ost->force_fps, oc, st);
 +
 +        ost->top_field_first = -1;
 +        MATCH_PER_STREAM_OPT(top_field_first, i, ost->top_field_first, oc, st);
 +
 +        MATCH_PER_STREAM_OPT(filters, str, filters, oc, st);
 +        ost->avfilter = av_strdup(filters);
 +    } else {
 +        MATCH_PER_STREAM_OPT(copy_initial_nonkeyframes, i, ost->copy_initial_nonkeyframes, oc ,st);
 +    }
 +
 +    return ost;
 +}
 +
 +static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
 +{
 +    int n;
 +    AVStream *st;
 +    OutputStream *ost;
 +    AVCodecContext *audio_enc;
 +
 +    ost = new_output_stream(o, oc, AVMEDIA_TYPE_AUDIO, source_index);
 +    st  = ost->st;
 +
 +    audio_enc = st->codec;
 +    audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
 +
 +    if (!ost->stream_copy) {
 +        char *sample_fmt = NULL;
 +        const char *filters = "anull";
 +
 +        MATCH_PER_STREAM_OPT(audio_channels, i, audio_enc->channels, oc, st);
 +
 +        MATCH_PER_STREAM_OPT(sample_fmts, str, sample_fmt, oc, st);
 +        if (sample_fmt &&
 +            (audio_enc->sample_fmt = av_get_sample_fmt(sample_fmt)) == AV_SAMPLE_FMT_NONE) {
 +            av_log(NULL, AV_LOG_FATAL, "Invalid sample format '%s'\n", sample_fmt);
 +            exit_program(1);
 +        }
 +
 +        MATCH_PER_STREAM_OPT(audio_sample_rate, i, audio_enc->sample_rate, oc, st);
 +
 +        MATCH_PER_STREAM_OPT(filters, str, filters, oc, st);
 +
 +        av_assert1(filters);
 +        ost->avfilter = av_strdup(filters);
 +
 +        /* check for channel mapping for this audio stream */
 +        for (n = 0; n < o->nb_audio_channel_maps; n++) {
 +            AudioChannelMap *map = &o->audio_channel_maps[n];
 +            InputStream *ist = input_streams[ost->source_index];
 +            if ((map->channel_idx == -1 || (ist->file_index == map->file_idx && ist->st->index == map->stream_idx)) &&
 +                (map->ofile_idx   == -1 || ost->file_index == map->ofile_idx) &&
 +                (map->ostream_idx == -1 || ost->st->index  == map->ostream_idx)) {
 +                if (ost->audio_channels_mapped < FF_ARRAY_ELEMS(ost->audio_channels_map))
 +                    ost->audio_channels_map[ost->audio_channels_mapped++] = map->channel_idx;
 +                else
 +                    av_log(NULL, AV_LOG_FATAL, "Max channel mapping for output %d.%d reached\n",
 +                           ost->file_index, ost->st->index);
 +            }
 +        }
 +    }
 +
 +    return ost;
 +}
 +
 +static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
 +{
 +    OutputStream *ost;
 +
 +    ost = new_output_stream(o, oc, AVMEDIA_TYPE_DATA, source_index);
 +    if (!ost->stream_copy) {
 +        av_log(NULL, AV_LOG_FATAL, "Data stream encoding not supported yet (only streamcopy)\n");
 +        exit_program(1);
 +    }
 +
 +    return ost;
 +}
 +
 +static OutputStream *new_attachment_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
 +{
 +    OutputStream *ost = new_output_stream(o, oc, AVMEDIA_TYPE_ATTACHMENT, source_index);
 +    ost->stream_copy = 1;
 +    return ost;
 +}
 +
 +static OutputStream *new_subtitle_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
 +{
 +    AVStream *st;
 +    OutputStream *ost;
 +    AVCodecContext *subtitle_enc;
 +
 +    ost = new_output_stream(o, oc, AVMEDIA_TYPE_SUBTITLE, source_index);
 +    st  = ost->st;
 +    subtitle_enc = st->codec;
 +
 +    subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
 +
 +    MATCH_PER_STREAM_OPT(copy_initial_nonkeyframes, i, ost->copy_initial_nonkeyframes, oc, st);
 +
 +    return ost;
 +}
 +
 +/* arg format is "output-stream-index:streamid-value". */
 +static int opt_streamid(OptionsContext *o, const char *opt, const char *arg)
 +{
 +    int idx;
 +    char *p;
 +    char idx_str[16];
 +
 +    av_strlcpy(idx_str, arg, sizeof(idx_str));
 +    p = strchr(idx_str, ':');
 +    if (!p) {
 +        av_log(NULL, AV_LOG_FATAL,
 +               "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
 +               arg, opt);
 +        exit_program(1);
 +    }
 +    *p++ = '\0';
 +    idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, MAX_STREAMS-1);
 +    o->streamid_map = grow_array(o->streamid_map, sizeof(*o->streamid_map), &o->nb_streamid_map, idx+1);
 +    o->streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
 +    return 0;
 +}
 +
 +static int copy_chapters(InputFile *ifile, OutputFile *ofile, int copy_metadata)
 +{
 +    AVFormatContext *is = ifile->ctx;
 +    AVFormatContext *os = ofile->ctx;
 +    int i;
 +
 +    for (i = 0; i < is->nb_chapters; i++) {
 +        AVChapter *in_ch = is->chapters[i], *out_ch;
 +        int64_t ts_off   = av_rescale_q(ofile->start_time - ifile->ts_offset,
 +                                       AV_TIME_BASE_Q, in_ch->time_base);
 +        int64_t rt       = (ofile->recording_time == INT64_MAX) ? INT64_MAX :
 +                           av_rescale_q(ofile->recording_time, AV_TIME_BASE_Q, in_ch->time_base);
 +
 +
 +        if (in_ch->end < ts_off)
 +            continue;
 +        if (rt != INT64_MAX && in_ch->start > rt + ts_off)
 +            break;
 +
 +        out_ch = av_mallocz(sizeof(AVChapter));
 +        if (!out_ch)
 +            return AVERROR(ENOMEM);
 +
 +        out_ch->id        = in_ch->id;
 +        out_ch->time_base = in_ch->time_base;
 +        out_ch->start     = FFMAX(0,  in_ch->start - ts_off);
 +        out_ch->end       = FFMIN(rt, in_ch->end   - ts_off);
 +
 +        if (copy_metadata)
 +            av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
 +
 +        os->nb_chapters++;
 +        os->chapters = av_realloc_f(os->chapters, os->nb_chapters, sizeof(AVChapter));
 +        if (!os->chapters)
 +            return AVERROR(ENOMEM);
 +        os->chapters[os->nb_chapters - 1] = out_ch;
 +    }
 +    return 0;
 +}
 +
 +static int read_ffserver_streams(OptionsContext *o, AVFormatContext *s, const char *filename)
 +{
 +    int i, err;
 +    AVFormatContext *ic = avformat_alloc_context();
 +
 +    ic->interrupt_callback = int_cb;
 +    err = avformat_open_input(&ic, filename, NULL, NULL);
 +    if (err < 0)
 +        return err;
 +    /* copy stream format */
 +    for(i=0;i<ic->nb_streams;i++) {
 +        AVStream *st;
 +        OutputStream *ost;
 +        AVCodec *codec;
 +        AVCodecContext *avctx;
 +
 +        codec = avcodec_find_encoder(ic->streams[i]->codec->codec_id);
 +        ost   = new_output_stream(o, s, codec->type, -1);
 +        st    = ost->st;
 +        avctx = st->codec;
 +        ost->enc = codec;
 +
 +        // FIXME: a more elegant solution is needed
 +        memcpy(st, ic->streams[i], sizeof(AVStream));
 +        st->cur_dts = 0;
 +        st->info = av_malloc(sizeof(*st->info));
 +        memcpy(st->info, ic->streams[i]->info, sizeof(*st->info));
 +        st->codec= avctx;
 +        avcodec_copy_context(st->codec, ic->streams[i]->codec);
 +
 +        if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !ost->stream_copy)
 +            choose_sample_fmt(st, codec);
 +        else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !ost->stream_copy)
 +            choose_pixel_fmt(st, codec, st->codec->pix_fmt);
 +    }
 +
 +    avformat_close_input(&ic);
 +    return 0;
 +}
 +
 +static void init_output_filter(OutputFilter *ofilter, OptionsContext *o,
 +                               AVFormatContext *oc)
 +{
 +    OutputStream *ost;
 +
 +    switch (avfilter_pad_get_type(ofilter->out_tmp->filter_ctx->output_pads,
 +                                  ofilter->out_tmp->pad_idx)) {
 +    case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc, -1); break;
 +    case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc, -1); break;
 +    default:
 +        av_log(NULL, AV_LOG_FATAL, "Only video and audio filters are supported "
 +               "currently.\n");
 +        exit_program(1);
 +    }
 +
 +    ost->source_index = -1;
 +    ost->filter       = ofilter;
 +
 +    ofilter->ost      = ost;
 +
 +    if (ost->stream_copy) {
 +        av_log(NULL, AV_LOG_ERROR, "Streamcopy requested for output stream %d:%d, "
 +               "which is fed from a complex filtergraph. Filtering and streamcopy "
 +               "cannot be used together.\n", ost->file_index, ost->index);
 +        exit_program(1);
 +    }
 +
 +    if (configure_output_filter(ofilter->graph, ofilter, ofilter->out_tmp) < 0) {
 +        av_log(NULL, AV_LOG_FATAL, "Error configuring filter.\n");
 +        exit_program(1);
 +    }
 +    avfilter_inout_free(&ofilter->out_tmp);
 +}
 +
 +static void opt_output_file(void *optctx, const char *filename)
 +{
 +    OptionsContext *o = optctx;
 +    AVFormatContext *oc;
 +    int i, j, err;
 +    AVOutputFormat *file_oformat;
 +    OutputStream *ost;
 +    InputStream  *ist;
 +
 +    if (configure_complex_filters() < 0) {
 +        av_log(NULL, AV_LOG_FATAL, "Error configuring filters.\n");
 +        exit_program(1);
 +    }
 +
 +    if (!strcmp(filename, "-"))
 +        filename = "pipe:";
 +
 +    err = avformat_alloc_output_context2(&oc, NULL, o->format, filename);
 +    if (!oc) {
 +        print_error(filename, err);
 +        exit_program(1);
 +    }
 +    file_oformat= oc->oformat;
 +    oc->interrupt_callback = int_cb;
 +
 +    /* create streams for all unlabeled output pads */
 +    for (i = 0; i < nb_filtergraphs; i++) {
 +        FilterGraph *fg = filtergraphs[i];
 +        for (j = 0; j < fg->nb_outputs; j++) {
 +            OutputFilter *ofilter = fg->outputs[j];
 +
 +            if (!ofilter->out_tmp || ofilter->out_tmp->name)
 +                continue;
 +
 +            switch (avfilter_pad_get_type(ofilter->out_tmp->filter_ctx->output_pads,
 +                                          ofilter->out_tmp->pad_idx)) {
 +            case AVMEDIA_TYPE_VIDEO:    o->video_disable    = 1; break;
 +            case AVMEDIA_TYPE_AUDIO:    o->audio_disable    = 1; break;
 +            case AVMEDIA_TYPE_SUBTITLE: o->subtitle_disable = 1; break;
 +            }
 +            init_output_filter(ofilter, o, oc);
 +        }
 +    }
 +
 +    if (!strcmp(file_oformat->name, "ffm") &&
 +        av_strstart(filename, "http:", NULL)) {
 +        int j;
 +        /* special case for files sent to ffserver: we get the stream
 +           parameters from ffserver */
 +        int err = read_ffserver_streams(o, oc, filename);
 +        if (err < 0) {
 +            print_error(filename, err);
 +            exit_program(1);
 +        }
 +        for(j = nb_output_streams - oc->nb_streams; j < nb_output_streams; j++) {
 +            ost = output_streams[j];
 +            for (i = 0; i < nb_input_streams; i++) {
 +                ist = input_streams[i];
 +                if(ist->st->codec->codec_type == ost->st->codec->codec_type){
 +                    ost->sync_ist= ist;
 +                    ost->source_index= i;
 +                    if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) ost->avfilter = av_strdup("anull");
 +                    if(ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) ost->avfilter = av_strdup("null");
 +                    ist->discard = 0;
 +                    ist->st->discard = AVDISCARD_NONE;
 +                    break;
 +                }
 +            }
 +            if(!ost->sync_ist){
 +                av_log(NULL, AV_LOG_FATAL, "Missing %s stream which is required by this ffm\n", av_get_media_type_string(ost->st->codec->codec_type));
 +                exit_program(1);
 +            }
 +        }
 +    } else if (!o->nb_stream_maps) {
 +        /* pick the "best" stream of each type */
 +
 +        /* video: highest resolution */
 +        if (!o->video_disable && oc->oformat->video_codec != CODEC_ID_NONE) {
 +            int area = 0, idx = -1;
 +            for (i = 0; i < nb_input_streams; i++) {
 +                ist = input_streams[i];
 +                if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
 +                    ist->st->codec->width * ist->st->codec->height > area) {
 +                    area = ist->st->codec->width * ist->st->codec->height;
 +                    idx = i;
 +                }
 +            }
 +            if (idx >= 0)
 +                new_video_stream(o, oc, idx);
 +        }
 +
 +        /* audio: most channels */
 +        if (!o->audio_disable && oc->oformat->audio_codec != CODEC_ID_NONE) {
 +            int channels = 0, idx = -1;
 +            for (i = 0; i < nb_input_streams; i++) {
 +                ist = input_streams[i];
 +                if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
 +                    ist->st->codec->channels > channels) {
 +                    channels = ist->st->codec->channels;
 +                    idx = i;
 +                }
 +            }
 +            if (idx >= 0)
 +                new_audio_stream(o, oc, idx);
 +        }
 +
 +        /* subtitles: pick first */
 +        if (!o->subtitle_disable && (oc->oformat->subtitle_codec != CODEC_ID_NONE || subtitle_codec_name)) {
 +            for (i = 0; i < nb_input_streams; i++)
 +                if (input_streams[i]->st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
 +                    new_subtitle_stream(o, oc, i);
 +                    break;
 +                }
 +        }
 +        /* do something with data? */
 +    } else {
 +        for (i = 0; i < o->nb_stream_maps; i++) {
 +            StreamMap *map = &o->stream_maps[i];
 +            int src_idx = input_files[map->file_index]->ist_index + map->stream_index;
 +
 +            if (map->disabled)
 +                continue;
 +
 +            if (map->linklabel) {
 +                FilterGraph *fg;
 +                OutputFilter *ofilter = NULL;
 +                int j, k;
 +
 +                for (j = 0; j < nb_filtergraphs; j++) {
 +                    fg = filtergraphs[j];
 +                    for (k = 0; k < fg->nb_outputs; k++) {
 +                        AVFilterInOut *out = fg->outputs[k]->out_tmp;
 +                        if (out && !strcmp(out->name, map->linklabel)) {
 +                            ofilter = fg->outputs[k];
 +                            goto loop_end;
 +                        }
 +                    }
 +                }
 +loop_end:
 +                if (!ofilter) {
 +                    av_log(NULL, AV_LOG_FATAL, "Output with label '%s' does not exist "
 +                           "in any defined filter graph.\n", map->linklabel);
 +                    exit_program(1);
 +                }
 +                init_output_filter(ofilter, o, oc);
 +            } else {
 +                ist = input_streams[input_files[map->file_index]->ist_index + map->stream_index];
 +                if(o->subtitle_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE)
 +                    continue;
 +                if(o->   audio_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
 +                    continue;
 +                if(o->   video_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
 +                    continue;
 +                if(o->    data_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_DATA)
 +                    continue;
 +
 +                switch (ist->st->codec->codec_type) {
 +                case AVMEDIA_TYPE_VIDEO:      ost = new_video_stream     (o, oc, src_idx); break;
 +                case AVMEDIA_TYPE_AUDIO:      ost = new_audio_stream     (o, oc, src_idx); break;
 +                case AVMEDIA_TYPE_SUBTITLE:   ost = new_subtitle_stream  (o, oc, src_idx); break;
 +                case AVMEDIA_TYPE_DATA:       ost = new_data_stream      (o, oc, src_idx); break;
 +                case AVMEDIA_TYPE_ATTACHMENT: ost = new_attachment_stream(o, oc, src_idx); break;
 +                default:
 +                    av_log(NULL, AV_LOG_FATAL, "Cannot map stream #%d:%d - unsupported type.\n",
 +                           map->file_index, map->stream_index);
 +                    exit_program(1);
 +                }
 +            }
 +        }
 +    }
 +
 +
 +    for (i = nb_output_streams - oc->nb_streams; i < nb_output_streams; i++) { //for all streams of this output file
 +        AVDictionaryEntry *e;
 +        ost = output_streams[i];
 +
 +        if (   ost->stream_copy
 +            && (e = av_dict_get(codec_opts, "flags", NULL, AV_DICT_IGNORE_SUFFIX))
 +            && (!e->key[5] || check_stream_specifier(oc, ost->st, e->key+6)))
 +            if (av_opt_set(ost->st->codec, "flags", e->value, 0) < 0)
 +                exit_program(1);
 +    }
 +
 +    /* handle attached files */
 +    for (i = 0; i < o->nb_attachments; i++) {
 +        AVIOContext *pb;
 +        uint8_t *attachment;
 +        const char *p;
 +        int64_t len;
 +
 +        if ((err = avio_open2(&pb, o->attachments[i], AVIO_FLAG_READ, &int_cb, NULL)) < 0) {
 +            av_log(NULL, AV_LOG_FATAL, "Could not open attachment file %s.\n",
 +                   o->attachments[i]);
 +            exit_program(1);
 +        }
 +        if ((len = avio_size(pb)) <= 0) {
 +            av_log(NULL, AV_LOG_FATAL, "Could not get size of the attachment %s.\n",
 +                   o->attachments[i]);
 +            exit_program(1);
 +        }
 +        if (!(attachment = av_malloc(len))) {
 +            av_log(NULL, AV_LOG_FATAL, "Attachment %s too large to fit into memory.\n",
 +                   o->attachments[i]);
 +            exit_program(1);
 +        }
 +        avio_read(pb, attachment, len);
 +
 +        ost = new_attachment_stream(o, oc, -1);
 +        ost->stream_copy               = 0;
 +        ost->attachment_filename       = o->attachments[i];
 +        ost->st->codec->extradata      = attachment;
 +        ost->st->codec->extradata_size = len;
 +
 +        p = strrchr(o->attachments[i], '/');
 +        av_dict_set(&ost->st->metadata, "filename", (p && *p) ? p + 1 : o->attachments[i], AV_DICT_DONT_OVERWRITE);
 +        avio_close(pb);
 +    }
 +
 +    output_files = grow_array(output_files, sizeof(*output_files), &nb_output_files, nb_output_files + 1);
 +    if (!(output_files[nb_output_files - 1] = av_mallocz(sizeof(*output_files[0]))))
 +        exit_program(1);
 +
 +    output_files[nb_output_files - 1]->ctx            = oc;
 +    output_files[nb_output_files - 1]->ost_index      = nb_output_streams - oc->nb_streams;
 +    output_files[nb_output_files - 1]->recording_time = o->recording_time;
 +    if (o->recording_time != INT64_MAX)
 +        oc->duration = o->recording_time;
 +    output_files[nb_output_files - 1]->start_time     = o->start_time;
 +    output_files[nb_output_files - 1]->limit_filesize = o->limit_filesize;
 +    av_dict_copy(&output_files[nb_output_files - 1]->opts, format_opts, 0);
 +
 +    /* check filename in case of an image number is expected */
 +    if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
 +        if (!av_filename_number_test(oc->filename)) {
 +            print_error(oc->filename, AVERROR(EINVAL));
 +            exit_program(1);
 +        }
 +    }
 +
 +    if (!(oc->oformat->flags & AVFMT_NOFILE)) {
 +        /* test if it already exists to avoid losing precious files */
 +        assert_file_overwrite(filename);
 +
 +        /* open the file */
 +        if ((err = avio_open2(&oc->pb, filename, AVIO_FLAG_WRITE,
 +                              &oc->interrupt_callback,
 +                              &output_files[nb_output_files - 1]->opts)) < 0) {
 +            print_error(filename, err);
 +            exit_program(1);
 +        }
 +    }
 +
 +    if (o->mux_preload) {
 +        uint8_t buf[64];
 +        snprintf(buf, sizeof(buf), "%d", (int)(o->mux_preload*AV_TIME_BASE));
 +        av_dict_set(&output_files[nb_output_files - 1]->opts, "preload", buf, 0);
 +    }
 +    oc->max_delay = (int)(o->mux_max_delay * AV_TIME_BASE);
 +
 +    /* copy metadata */
 +    for (i = 0; i < o->nb_metadata_map; i++) {
 +        char *p;
 +        int in_file_index = strtol(o->metadata_map[i].u.str, &p, 0);
 +
 +        if (in_file_index >= nb_input_files) {
 +            av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d while processing metadata maps\n", in_file_index);
 +            exit_program(1);
 +        }
 +        copy_metadata(o->metadata_map[i].specifier, *p ? p + 1 : p, oc, in_file_index >= 0 ? input_files[in_file_index]->ctx : NULL, o);
 +    }
 +
 +    /* copy chapters */
 +    if (o->chapters_input_file >= nb_input_files) {
 +        if (o->chapters_input_file == INT_MAX) {
 +            /* copy chapters from the first input file that has them*/
 +            o->chapters_input_file = -1;
 +            for (i = 0; i < nb_input_files; i++)
 +                if (input_files[i]->ctx->nb_chapters) {
 +                    o->chapters_input_file = i;
 +                    break;
 +                }
 +        } else {
 +            av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d in chapter mapping.\n",
 +                   o->chapters_input_file);
 +            exit_program(1);
 +        }
 +    }
 +    if (o->chapters_input_file >= 0)
 +        copy_chapters(input_files[o->chapters_input_file], output_files[nb_output_files - 1],
 +                      !o->metadata_chapters_manual);
 +
 +    /* copy global metadata by default */
 +    if (!o->metadata_global_manual && nb_input_files){
 +        av_dict_copy(&oc->metadata, input_files[0]->ctx->metadata,
 +                     AV_DICT_DONT_OVERWRITE);
 +        if(o->recording_time != INT64_MAX)
 +            av_dict_set(&oc->metadata, "duration", NULL, 0);
 +    }
 +    if (!o->metadata_streams_manual)
 +        for (i = output_files[nb_output_files - 1]->ost_index; i < nb_output_streams; i++) {
 +            InputStream *ist;
 +            if (output_streams[i]->source_index < 0)         /* this is true e.g. for attached files */
 +                continue;
 +            ist = input_streams[output_streams[i]->source_index];
 +            av_dict_copy(&output_streams[i]->st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
 +        }
 +
 +    /* process manually set metadata */
 +    for (i = 0; i < o->nb_metadata; i++) {
 +        AVDictionary **m;
 +        char type, *val;
 +        const char *stream_spec;
 +        int index = 0, j, ret = 0;
 +
 +        val = strchr(o->metadata[i].u.str, '=');
 +        if (!val) {
 +            av_log(NULL, AV_LOG_FATAL, "No '=' character in metadata string %s.\n",
 +                   o->metadata[i].u.str);
 +            exit_program(1);
 +        }
 +        *val++ = 0;
 +
 +        parse_meta_type(o->metadata[i].specifier, &type, &index, &stream_spec);
 +        if (type == 's') {
 +            for (j = 0; j < oc->nb_streams; j++) {
 +                if ((ret = check_stream_specifier(oc, oc->streams[j], stream_spec)) > 0) {
 +                    av_dict_set(&oc->streams[j]->metadata, o->metadata[i].u.str, *val ? val : NULL, 0);
 +                } else if (ret < 0)
 +                    exit_program(1);
 +            }
 +        }
 +        else {
 +            switch (type) {
 +            case 'g':
 +                m = &oc->metadata;
 +                break;
 +            case 'c':
 +                if (index < 0 || index >= oc->nb_chapters) {
 +                    av_log(NULL, AV_LOG_FATAL, "Invalid chapter index %d in metadata specifier.\n", index);
 +                    exit_program(1);
 +                }
 +                m = &oc->chapters[index]->metadata;
 +                break;
 +            default:
 +                av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", o->metadata[i].specifier);
 +                exit_program(1);
 +            }
 +            av_dict_set(m, o->metadata[i].u.str, *val ? val : NULL, 0);
 +        }
 +    }
 +
 +    reset_options(o, 0);
 +}
 +
 +/* same option as mencoder */
 +static int opt_pass(const char *opt, const char *arg)
 +{
 +    do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 3);
 +    return 0;
 +}
 +
 +static int64_t getmaxrss(void)
 +{
 +#if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
 +    struct rusage rusage;
 +    getrusage(RUSAGE_SELF, &rusage);
 +    return (int64_t)rusage.ru_maxrss * 1024;
 +#elif HAVE_GETPROCESSMEMORYINFO
 +    HANDLE proc;
 +    PROCESS_MEMORY_COUNTERS memcounters;
 +    proc = GetCurrentProcess();
 +    memcounters.cb = sizeof(memcounters);
 +    GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
 +    return memcounters.PeakPagefileUsage;
 +#else
 +    return 0;
 +#endif
 +}
 +
 +static int opt_audio_qscale(OptionsContext *o, const char *opt, const char *arg)
 +{
 +    return parse_option(o, "q:a", arg, options);
 +}
 +
 +static void show_usage(void)
 +{
 +    av_log(NULL, AV_LOG_INFO, "Hyper fast Audio and Video encoder\n");
 +    av_log(NULL, AV_LOG_INFO, "usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
 +    av_log(NULL, AV_LOG_INFO, "\n");
 +}
 +
 +static int opt_help(const char *opt, const char *arg)
 +{
 +    int flags = AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_ENCODING_PARAM;
 +    av_log_set_callback(log_callback_help);
 +    show_usage();
 +    show_help_options(options, "Main options:\n",
 +                      OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
 +    show_help_options(options, "\nAdvanced options:\n",
 +                      OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
 +                      OPT_EXPERT);
 +    show_help_options(options, "\nVideo options:\n",
 +                      OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
 +                      OPT_VIDEO);
 +    show_help_options(options, "\nAdvanced Video options:\n",
 +                      OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
 +                      OPT_VIDEO | OPT_EXPERT);
 +    show_help_options(options, "\nAudio options:\n",
 +                      OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
 +                      OPT_AUDIO);
 +    show_help_options(options, "\nAdvanced Audio options:\n",
 +                      OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
 +                      OPT_AUDIO | OPT_EXPERT);
 +    show_help_options(options, "\nSubtitle options:\n",
 +                      OPT_SUBTITLE | OPT_GRAB,
 +                      OPT_SUBTITLE);
 +    show_help_options(options, "\nAudio/Video grab options:\n",
 +                      OPT_GRAB,
 +                      OPT_GRAB);
 +    printf("\n");
 +    show_help_children(avcodec_get_class(), flags);
 +    show_help_children(avformat_get_class(), flags);
 +    show_help_children(sws_get_class(), flags);
 +    show_help_children(swr_get_class(), AV_OPT_FLAG_AUDIO_PARAM);
 +
 +    return 0;
 +}
 +
 +static int opt_target(OptionsContext *o, const char *opt, const char *arg)
 +{
 +    enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
 +    static const char *const frame_rates[] = { "25", "30000/1001", "24000/1001" };
 +
 +    if (!strncmp(arg, "pal-", 4)) {
 +        norm = PAL;
 +        arg += 4;
 +    } else if (!strncmp(arg, "ntsc-", 5)) {
 +        norm = NTSC;
 +        arg += 5;
 +    } else if (!strncmp(arg, "film-", 5)) {
 +        norm = FILM;
 +        arg += 5;
 +    } else {
 +        /* Try to determine PAL/NTSC by peeking in the input files */
 +        if (nb_input_files) {
 +            int i, j, fr;
 +            for (j = 0; j < nb_input_files; j++) {
 +                for (i = 0; i < input_files[j]->nb_streams; i++) {
 +                    AVCodecContext *c = input_files[j]->ctx->streams[i]->codec;
 +                    if (c->codec_type != AVMEDIA_TYPE_VIDEO)
 +                        continue;
 +                    fr = c->time_base.den * 1000 / c->time_base.num;
 +                    if (fr == 25000) {
 +                        norm = PAL;
 +                        break;
 +                    } else if ((fr == 29970) || (fr == 23976)) {
 +                        norm = NTSC;
 +                        break;
 +                    }
 +                }
 +                if (norm != UNKNOWN)
 +                    break;
 +            }
 +        }
 +        if (norm != UNKNOWN)
 +            av_log(NULL, AV_LOG_INFO, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
 +    }
 +
 +    if (norm == UNKNOWN) {
 +        av_log(NULL, AV_LOG_FATAL, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
 +        av_log(NULL, AV_LOG_FATAL, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
 +        av_log(NULL, AV_LOG_FATAL, "or set a framerate with \"-r xxx\".\n");
 +        exit_program(1);
 +    }
 +
 +    if (!strcmp(arg, "vcd")) {
 +        opt_video_codec(o, "c:v", "mpeg1video");
 +        opt_audio_codec(o, "c:a", "mp2");
 +        parse_option(o, "f", "vcd", options);
 +
 +        parse_option(o, "s", norm == PAL ? "352x288" : "352x240", options);
 +        parse_option(o, "r", frame_rates[norm], options);
 +        opt_default("g", norm == PAL ? "15" : "18");
 +
 +        opt_default("b:v", "1150000");
 +        opt_default("maxrate", "1150000");
 +        opt_default("minrate", "1150000");
 +        opt_default("bufsize", "327680"); // 40*1024*8;
 +
 +        opt_default("b:a", "224000");
 +        parse_option(o, "ar", "44100", options);
 +        parse_option(o, "ac", "2", options);
 +
 +        opt_default("packetsize", "2324");
 +        opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
 +
 +        /* We have to offset the PTS, so that it is consistent with the SCR.
 +           SCR starts at 36000, but the first two packs contain only padding
 +           and the first pack from the other stream, respectively, may also have
 +           been written before.
 +           So the real data starts at SCR 36000+3*1200. */
 +        o->mux_preload = (36000 + 3 * 1200) / 90000.0; // 0.44
 +    } else if (!strcmp(arg, "svcd")) {
 +
 +        opt_video_codec(o, "c:v", "mpeg2video");
 +        opt_audio_codec(o, "c:a", "mp2");
 +        parse_option(o, "f", "svcd", options);
 +
 +        parse_option(o, "s", norm == PAL ? "480x576" : "480x480", options);
 +        parse_option(o, "r", frame_rates[norm], options);
 +        parse_option(o, "pix_fmt", "yuv420p", options);
 +        opt_default("g", norm == PAL ? "15" : "18");
 +
 +        opt_default("b:v", "2040000");
 +        opt_default("maxrate", "2516000");
 +        opt_default("minrate", "0"); // 1145000;
 +        opt_default("bufsize", "1835008"); // 224*1024*8;
 +        opt_default("scan_offset", "1");
 +
 +
 +        opt_default("b:a", "224000");
 +        parse_option(o, "ar", "44100", options);
 +
 +        opt_default("packetsize", "2324");
 +
 +    } else if (!strcmp(arg, "dvd")) {
 +
 +        opt_video_codec(o, "c:v", "mpeg2video");
 +        opt_audio_codec(o, "c:a", "ac3");
 +        parse_option(o, "f", "dvd", options);
 +
 +        parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
 +        parse_option(o, "r", frame_rates[norm], options);
 +        parse_option(o, "pix_fmt", "yuv420p", options);
 +        opt_default("g", norm == PAL ? "15" : "18");
 +
 +        opt_default("b:v", "6000000");
 +        opt_default("maxrate", "9000000");
 +        opt_default("minrate", "0"); // 1500000;
 +        opt_default("bufsize", "1835008"); // 224*1024*8;
 +
 +        opt_default("packetsize", "2048");  // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
 +        opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
 +
 +        opt_default("b:a", "448000");
 +        parse_option(o, "ar", "48000", options);
 +
 +    } else if (!strncmp(arg, "dv", 2)) {
 +
 +        parse_option(o, "f", "dv", options);
 +
 +        parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
 +        parse_option(o, "pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
 +                          norm == PAL ? "yuv420p" : "yuv411p", options);
 +        parse_option(o, "r", frame_rates[norm], options);
 +
 +        parse_option(o, "ar", "48000", options);
 +        parse_option(o, "ac", "2", options);
 +
 +    } else {
 +        av_log(NULL, AV_LOG_ERROR, "Unknown target: %s\n", arg);
 +        return AVERROR(EINVAL);
 +    }
 +    return 0;
 +}
 +
 +static int opt_vstats_file(const char *opt, const char *arg)
 +{
 +    av_free (vstats_filename);
 +    vstats_filename = av_strdup (arg);
 +    return 0;
 +}
 +
 +static int opt_vstats(const char *opt, const char *arg)
 +{
 +    char filename[40];
 +    time_t today2 = time(NULL);
 +    struct tm *today = localtime(&today2);
 +
 +    snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
 +             today->tm_sec);
 +    return opt_vstats_file(opt, filename);
 +}
 +
 +static int opt_video_frames(OptionsContext *o, const char *opt, const char *arg)
 +{
 +    return parse_option(o, "frames:v", arg, options);
 +}
 +
 +static int opt_audio_frames(OptionsContext *o, const char *opt, const char *arg)
 +{
 +    return parse_option(o, "frames:a", arg, options);
 +}
 +
 +static int opt_data_frames(OptionsContext *o, const char *opt, const char *arg)
 +{
 +    return parse_option(o, "frames:d", arg, options);
 +}
 +
 +static int opt_preset(OptionsContext *o, const char *opt, const char *arg)
 +{
 +    FILE *f=NULL;
 +    char filename[1000], line[1000], tmp_line[1000];
 +    const char *codec_name = *opt == 'v' ? video_codec_name :
 +                             *opt == 'a' ? audio_codec_name :
 +                                           subtitle_codec_name;
 +
 +    if (!(f = get_preset_file(filename, sizeof(filename), arg, *opt == 'f', codec_name))) {
 +        if(!strncmp(arg, "libx264-lossless", strlen("libx264-lossless"))){
 +            av_log(NULL, AV_LOG_FATAL, "Please use -preset <speed> -qp 0\n");
 +        }else
 +            av_log(NULL, AV_LOG_FATAL, "File for preset '%s' not found\n", arg);
 +        exit_program(1);
 +    }
 +
 +    while (fgets(line, sizeof(line), f)) {
 +        char *key = tmp_line, *value, *endptr;
 +
 +        if (strcspn(line, "#\n\r") == 0)
 +            continue;
 +        strcpy(tmp_line, line);
 +        if (!av_strtok(key,   "=",    &value) ||
 +            !av_strtok(value, "\r\n", &endptr)) {
 +            av_log(NULL, AV_LOG_FATAL, "%s: Invalid syntax: '%s'\n", filename, line);
 +            exit_program(1);
 +        }
 +        av_log(NULL, AV_LOG_DEBUG, "ffpreset[%s]: set '%s' = '%s'\n", filename, key, value);
 +
 +        if      (!strcmp(key, "acodec")) opt_audio_codec   (o, key, value);
 +        else if (!strcmp(key, "vcodec")) opt_video_codec   (o, key, value);
 +        else if (!strcmp(key, "scodec")) opt_subtitle_codec(o, key, value);
 +        else if (!strcmp(key, "dcodec")) opt_data_codec    (o, key, value);
 +        else if (opt_default(key, value) < 0) {
 +            av_log(NULL, AV_LOG_FATAL, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n",
 +                   filename, line, key, value);
 +            exit_program(1);
 +        }
 +    }
 +
 +    fclose(f);
 +
 +    return 0;
 +}
 +
 +static void log_callback_null(void *ptr, int level, const char *fmt, va_list vl)
 +{
 +}
 +
 +static int opt_passlogfile(const char *opt, const char *arg)
 +{
 +    pass_logfilename_prefix = arg;
 +#if CONFIG_LIBX264_ENCODER
 +    return opt_default(opt, arg);
 +#else
 +    return 0;
 +#endif
 +}
 +
 +static int opt_old2new(OptionsContext *o, const char *opt, const char *arg)
 +{
 +    char *s = av_asprintf("%s:%c", opt + 1, *opt);
 +    int ret = parse_option(o, s, arg, options);
 +    av_free(s);
 +    return ret;
 +}
 +
 +static int opt_bitrate(OptionsContext *o, const char *opt, const char *arg)
 +{
 +    if(!strcmp(opt, "b")){
 +        av_log(NULL, AV_LOG_WARNING, "Please use -b:a or -b:v, -b is ambiguous\n");
 +        return parse_option(o, "b:v", arg, options);
 +    }
 +    return opt_default(opt, arg);
 +}
 +
 +static int opt_qscale(OptionsContext *o, const char *opt, const char *arg)
 +{
 +    char *s;
 +    int ret;
 +    if(!strcmp(opt, "qscale")){
 +        av_log(NULL, AV_LOG_WARNING, "Please use -q:a or -q:v, -qscale is ambiguous\n");
 +        return parse_option(o, "q:v", arg, options);
 +    }
 +    s = av_asprintf("q%s", opt + 6);
 +    ret = parse_option(o, s, arg, options);
 +    av_free(s);
 +    return ret;
 +}
 +
 +static int opt_profile(OptionsContext *o, const char *opt, const char *arg)
 +{
 +    if(!strcmp(opt, "profile")){
 +        av_log(NULL, AV_LOG_WARNING, "Please use -profile:a or -profile:v, -profile is ambiguous\n");
 +        return parse_option(o, "profile:v", arg, options);
 +    }
 +    return opt_default(opt, arg);
 +}
 +
 +static int opt_video_filters(OptionsContext *o, const char *opt, const char *arg)
 +{
 +    return parse_option(o, "filter:v", arg, options);
 +}
 +
 +static int opt_audio_filters(OptionsContext *o, const char *opt, const char *arg)
 +{
 +    return parse_option(o, "filter:a", arg, options);
 +}
 +
 +static int opt_vsync(const char *opt, const char *arg)
 +{
 +    if      (!av_strcasecmp(arg, "cfr"))         video_sync_method = VSYNC_CFR;
 +    else if (!av_strcasecmp(arg, "vfr"))         video_sync_method = VSYNC_VFR;
 +    else if (!av_strcasecmp(arg, "passthrough")) video_sync_method = VSYNC_PASSTHROUGH;
 +    else if (!av_strcasecmp(arg, "drop"))        video_sync_method = VSYNC_DROP;
 +
 +    if (video_sync_method == VSYNC_AUTO)
 +        video_sync_method = parse_number_or_die("vsync", arg, OPT_INT, VSYNC_AUTO, VSYNC_VFR);
 +    return 0;
 +}
 +
 +static int opt_deinterlace(const char *opt, const char *arg)
 +{
 +    av_log(NULL, AV_LOG_WARNING, "-%s is deprecated, use -filter:v yadif instead\n", opt);
 +    do_deinterlace = 1;
 +    return 0;
 +}
 +
 +static int opt_timecode(OptionsContext *o, const char *opt, const char *arg)
 +{
 +    char *tcr = av_asprintf("timecode=%s", arg);
 +    int ret = parse_option(o, "metadata:g", tcr, options);
 +    if (ret >= 0)
 +        ret = opt_default("gop_timecode", arg);
 +    av_free(tcr);
 +    return ret;
 +}
 +
 +static void parse_cpuflags(int argc, char **argv, const OptionDef *options)
 +{
 +    int idx = locate_option(argc, argv, options, "cpuflags");
 +    if (idx && argv[idx + 1])
 +        opt_cpuflags("cpuflags", argv[idx + 1]);
 +}
 +
 +static int opt_channel_layout(OptionsContext *o, const char *opt, const char *arg)
 +{
 +    char layout_str[32];
 +    char *stream_str;
 +    char *ac_str;
 +    int ret, channels, ac_str_size;
 +    uint64_t layout;
 +
 +    layout = av_get_channel_layout(arg);
 +    if (!layout) {
 +        av_log(NULL, AV_LOG_ERROR, "Unknown channel layout: %s\n", arg);
 +        return AVERROR(EINVAL);
 +    }
 +    snprintf(layout_str, sizeof(layout_str), "%"PRIu64, layout);
 +    ret = opt_default(opt, layout_str);
 +    if (ret < 0)
 +        return ret;
 +
 +    /* set 'ac' option based on channel layout */
 +    channels = av_get_channel_layout_nb_channels(layout);
 +    snprintf(layout_str, sizeof(layout_str), "%d", channels);
 +    stream_str = strchr(opt, ':');
 +    ac_str_size = 3 + (stream_str ? strlen(stream_str) : 0);
 +    ac_str = av_mallocz(ac_str_size);
 +    if (!ac_str)
 +        return AVERROR(ENOMEM);
 +    av_strlcpy(ac_str, "ac", 3);
 +    if (stream_str)
 +        av_strlcat(ac_str, stream_str, ac_str_size);
 +    ret = parse_option(o, ac_str, layout_str, options);
 +    av_free(ac_str);
 +
 +    return ret;
 +}
 +
 +static int opt_filter_complex(const char *opt, const char *arg)
 +{
 +    filtergraphs = grow_array(filtergraphs, sizeof(*filtergraphs),
 +                              &nb_filtergraphs, nb_filtergraphs + 1);
 +    if (!(filtergraphs[nb_filtergraphs - 1] = av_mallocz(sizeof(*filtergraphs[0]))))
 +        return AVERROR(ENOMEM);
 +    filtergraphs[nb_filtergraphs - 1]->index       = nb_filtergraphs - 1;
 +    filtergraphs[nb_filtergraphs - 1]->graph_desc = arg;
 +    return 0;
 +}
 +
 +#define OFFSET(x) offsetof(OptionsContext, x)
 +static const OptionDef options[] = {
 +    /* main options */
 +#include "cmdutils_common_opts.h"
 +    { "f", HAS_ARG | OPT_STRING | OPT_OFFSET, {.off = OFFSET(format)}, "force format", "fmt" },
 +    { "i", HAS_ARG | OPT_FUNC2, {(void*)opt_input_file}, "input file name", "filename" },
 +    { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
 +    { "n", OPT_BOOL, {(void*)&no_file_overwrite}, "do not overwrite output files" },
 +    { "c", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
 +    { "codec", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
 +    { "pre", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(presets)}, "preset name", "preset" },
 +  &n