Merge commit '39f3b6f3fc2b46b405b680cce3599f1b370e342d'
[ffmpeg.git] / configure
index 20a839c..0d6ee0a 100755 (executable)
--- a/configure
+++ b/configure
@@ -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 @@ if test "$E1" != 0 || test "$E2" = 0; then
     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."
@@ -73,20 +73,26 @@ Help options:
   --list-protocols         show all available protocols
   --list-bsfs              show all available bitstream filters
   --list-indevs            show all available input devices
+  --list-outdevs           show all available output devices
   --list-filters           show all available filters
 
 Standard options:
-  --logfile=FILE           log tests and output to FILE [avbuild/config.log]
+  --logfile=FILE           log tests and output to FILE [ffbuild/config.log]
   --disable-logging        do not log configure debug information
+  --fatal-warnings         fail if any configure warning is generated
   --prefix=PREFIX          install in PREFIX [$prefix_default]
   --bindir=DIR             install binaries in DIR [PREFIX/bin]
-  --datadir=DIR            install data files in DIR [PREFIX/share/avconv]
-  --docdir=DIR             install documentation in DIR [PREFIX/share/doc/libav]
+  --datadir=DIR            install data files in DIR [PREFIX/share/ffmpeg]
+  --docdir=DIR             install documentation in DIR [PREFIX/share/doc/ffmpeg]
   --libdir=DIR             install libs in DIR [PREFIX/lib]
-  --shlibdir=DIR           install shared libs in DIR [PREFIX/lib]
+  --shlibdir=DIR           install shared libs in DIR [LIBDIR]
   --incdir=DIR             install includes in DIR [PREFIX/include]
   --mandir=DIR             install man page in DIR [PREFIX/share/man]
-  --enable-rpath           use rpath when linking programs (USE WITH CARE)
+  --pkgconfigdir=DIR       install pkg-config files in DIR [LIBDIR/pkgconfig]
+  --enable-rpath           use rpath to allow installing libraries in paths
+                           not part of the dynamic linker search path
+                           use rpath when linking programs (USE WITH CARE)
+  --install-name-dir=DIR   Darwin directory name for installed targets
 
 Licensing options:
   --enable-gpl             allow use of GPL code, the resulting libs
@@ -99,32 +105,40 @@ Configuration options:
   --disable-static         do not build static libraries [no]
   --enable-shared          build shared libraries [no]
   --enable-small           optimize for size instead of speed
-  --enable-runtime-cpudetect detect CPU capabilities at runtime (bigger binary)
+  --disable-runtime-cpudetect disable detecting CPU capabilities at runtime (smaller binary)
   --enable-gray            enable full grayscale support (slower color)
   --disable-swscale-alpha  disable alpha channel support in swscale
   --disable-all            disable building components, libraries and programs
+  --disable-autodetect     disable automatically detected external libraries [no]
 
 Program options:
   --disable-programs       do not build command line programs
-  --disable-avconv         disable avconv build
-  --disable-avplay         disable avplay build
-  --disable-avprobe        disable avprobe build
+  --disable-ffmpeg         disable ffmpeg build
+  --disable-ffplay         disable ffplay build
+  --disable-ffprobe        disable ffprobe build
 
-Component options:
+Documentation options:
   --disable-doc            do not build documentation
-  --disable-pod2man        do not build manual pages
-  --disable-texi2html      do not build HTML documentation
+  --disable-htmlpages      do not build HTML documentation pages
+  --disable-manpages       do not build man documentation pages
+  --disable-podpages       do not build POD documentation pages
+  --disable-txtpages       do not build text documentation pages
+
+Component options:
   --disable-avdevice       disable libavdevice build
   --disable-avcodec        disable libavcodec build
   --disable-avformat       disable libavformat build
-  --disable-avutil         disable libavutil build
+  --disable-swresample     disable libswresample build
   --disable-swscale        disable libswscale build
-  --disable-avfilter       disable video filter support [no]
-  --disable-avresample     disable libavresample build [no]
-  --disable-pthreads       disable pthreads [auto]
-  --disable-w32threads     disable Win32 threads [auto]
+  --disable-postproc       disable libpostproc build
+  --disable-avfilter       disable libavfilter build
+  --enable-avresample      enable libavresample build (deprecated) [no]
+  --disable-pthreads       disable pthreads [autodetect]
+  --disable-w32threads     disable Win32 threads [autodetect]
+  --disable-os2threads     disable OS/2 threads [autodetect]
   --disable-network        disable network support [no]
   --disable-dct            disable DCT code
+  --disable-dwt            disable DWT code
   --disable-error-resilience disable error resilience code
   --disable-lsp            disable LSP code
   --disable-lzo            disable LZO decoder code
@@ -132,6 +146,7 @@ Component options:
   --disable-rdft           disable RDFT code
   --disable-fft            disable FFT code
   --disable-faan           disable floating point AAN (I)DCT code
+  --disable-pixelutils     disable pixel utils in libavutil
 
 Individual component options:
   --disable-everything     disable all components listed below
@@ -162,6 +177,9 @@ Individual component options:
   --enable-indev=NAME      enable input device NAME
   --disable-indev=NAME     disable input device NAME
   --disable-indevs         disable input devices
+  --enable-outdev=NAME     enable output device NAME
+  --disable-outdev=NAME    disable output device NAME
+  --disable-outdevs        disable output devices
   --disable-devices        disable all devices
   --enable-filter=NAME     enable filter NAME
   --disable-filter=NAME    disable filter NAME
@@ -169,7 +187,7 @@ Individual component options:
 
 External library support:
 
-  Using any of the following switches will allow Libav to link to the
+  Using any of the following switches will allow FFmpeg to link to the
   corresponding external library. All the components depending on that library
   will become enabled, if all their other dependencies are met and they are not
   explicitly disabled. E.g. --enable-libwavpack will enable linking to
@@ -180,79 +198,150 @@ External library support:
   libraries must be explicitly enabled.
 
   Also note that the following help text describes the purpose of the libraries
-  themselves, not all their features will necessarily be usable by Libav.
-
-  --enable-avisynth          video frameserver
-  --enable-avxsynth          Linux version of AviSynth
-  --enable-bzlib             bzip2 compression [autodetect]
-  --enable-frei0r            video filtering plugins
-  --enable-gnutls            crypto
-  --enable-libaom            AV1 video encoding/decoding
-  --enable-libbs2b           Bauer stereophonic-to-binaural DSP
-  --enable-libcdio           audio CD input
-  --enable-libdc1394         IEEE 1394/Firewire camera input
-  --enable-libdcadec         DCA audio decoding
-  --enable-libfaac           AAC audio encoding
-  --enable-libfdk-aac        AAC audio encoding/decoding
-  --enable-libfontconfig     font configuration and management
-  --enable-libfreetype       font rendering
-  --enable-libgsm            GSM audio encoding/decoding
-  --enable-libhdcd           HDCD decoding filter
-  --enable-libilbc           ILBC audio encoding/decoding
-  --enable-libjack           JACK audio sound server
-  --enable-libkvazaar        HEVC video encoding
-  --enable-libmp3lame        MP3 audio encoding
-  --enable-libopencore-amrnb AMR-NB audio encoding/decoding
-  --enable-libopencore-amrwb AMR-WB audio decoding
-  --enable-libopencv         computer vision
-  --enable-libopenh264       H.264 video encoding/decoding
-  --enable-libopenjpeg       JPEG 2000 image encoding/decoding
-  --enable-libopus           Opus audio encoding/decoding
-  --enable-libpulse          Pulseaudio sound server
-  --enable-librtmp           RTMP streaming
-  --enable-libschroedinger   Dirac video encoding/decoding
-  --enable-libsnappy         snappy compression
-  --enable-libspeex          Speex audio encoding/decoding
-  --enable-libsrt            Haivision SRT protocol
-  --enable-libtheora         Theora video encoding/decoding
-  --enable-libtwolame        MP2 audio encoding
-  --enable-libvo-aacenc      AAC audio encoding
-  --enable-libvo-amrwbenc    AMR-WB audio encoding
-  --enable-libvorbis         Vorbis audio encoding/decoding
-  --enable-libvpx            VP* video encoding/decoding
-  --enable-libwavpack        Wavpack audio encoding/decoding
-  --enable-libwebp           WebP image encoding/decoding
-  --enable-libx264           H.264 video encoding
-  --enable-libx265           HEVC video encoding
-  --enable-libxavs           Chinese AVS video encoding
-  --enable-libxcb            X window system protocol communication
-  --enable-libxcb-shm        X11 shm communication [auto]
-  --enable-libxcb-xfixes     X11 mouse rendering [auto]
-  --enable-libxvid           MPEG-4 ASP video encoding
-  --enable-openssl           crypto
-  --enable-zlib              compression [autodetect]
+  themselves, not all their features will necessarily be usable by FFmpeg.
+
+  --disable-alsa           disable ALSA support [autodetect]
+  --disable-appkit         disable Apple AppKit framework [autodetect]
+  --disable-avfoundation   disable Apple AVFoundation framework [autodetect]
+  --enable-avisynth        enable reading of AviSynth script files [no]
+  --disable-bzlib          disable bzlib [autodetect]
+  --disable-coreimage      disable Apple CoreImage framework [autodetect]
+  --enable-chromaprint     enable audio fingerprinting with chromaprint [no]
+  --enable-frei0r          enable frei0r video filtering [no]
+  --enable-gcrypt          enable gcrypt, needed for rtmp(t)e support
+                           if openssl, librtmp or gmp is not used [no]
+  --enable-gmp             enable gmp, needed for rtmp(t)e support
+                           if openssl or librtmp is not used [no]
+  --enable-gnutls          enable gnutls, needed for https support
+                           if openssl, libtls or mbedtls is not used [no]
+  --disable-iconv          disable iconv [autodetect]
+  --enable-jni             enable JNI support [no]
+  --enable-ladspa          enable LADSPA audio filtering [no]
+  --enable-libaom          enable AV1 video encoding/decoding via libaom [no]
+  --enable-libass          enable libass subtitles rendering,
+                           needed for subtitles and ass filter [no]
+  --enable-libbluray       enable BluRay reading using libbluray [no]
+  --enable-libbs2b         enable bs2b DSP library [no]
+  --enable-libcaca         enable textual display using libcaca [no]
+  --enable-libcelt         enable CELT decoding via libcelt [no]
+  --enable-libcdio         enable audio CD grabbing with libcdio [no]
+  --enable-libcodec2       enable codec2 en/decoding using libcodec2 [no]
+  --enable-libdavs2        enable AVS2 decoding via libdavs2 [no]
+  --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394
+                           and libraw1394 [no]
+  --enable-libfdk-aac      enable AAC de/encoding via libfdk-aac [no]
+  --enable-libflite        enable flite (voice synthesis) support via libflite [no]
+  --enable-libfontconfig   enable libfontconfig, useful for drawtext filter [no]
+  --enable-libfreetype     enable libfreetype, needed for drawtext filter [no]
+  --enable-libfribidi      enable libfribidi, improves drawtext filter [no]
+  --enable-libgme          enable Game Music Emu via libgme [no]
+  --enable-libgsm          enable GSM de/encoding via libgsm [no]
+  --enable-libiec61883     enable iec61883 via libiec61883 [no]
+  --enable-libilbc         enable iLBC de/encoding via libilbc [no]
+  --enable-libjack         enable JACK audio sound server [no]
+  --enable-libkvazaar      enable HEVC encoding via libkvazaar [no]
+  --enable-liblensfun      enable lensfun lens correction [no]
+  --enable-libmodplug      enable ModPlug via libmodplug [no]
+  --enable-libmp3lame      enable MP3 encoding via libmp3lame [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-libopenh264     enable H.264 encoding via OpenH264 [no]
+  --enable-libopenjpeg     enable JPEG 2000 de/encoding via OpenJPEG [no]
+  --enable-libopenmpt      enable decoding tracked files via libopenmpt [no]
+  --enable-libopus         enable Opus de/encoding via libopus [no]
+  --enable-libpulse        enable Pulseaudio input via libpulse [no]
+  --enable-librsvg         enable SVG rasterization via librsvg [no]
+  --enable-librubberband   enable rubberband needed for rubberband filter [no]
+  --enable-librtmp         enable RTMP[E] support via librtmp [no]
+  --enable-libshine        enable fixed-point MP3 encoding via libshine [no]
+  --enable-libsmbclient    enable Samba protocol via libsmbclient [no]
+  --enable-libsnappy       enable Snappy compression, needed for hap encoding [no]
+  --enable-libsoxr         enable Include libsoxr resampling [no]
+  --enable-libspeex        enable Speex de/encoding via libspeex [no]
+  --enable-libsrt          enable Haivision SRT protocol via libsrt [no]
+  --enable-libssh          enable SFTP protocol via libssh [no]
+  --enable-libtensorflow   enable TensorFlow as a DNN module backend
+                           for DNN based filters like sr [no]
+  --enable-libtesseract    enable Tesseract, needed for ocr filter [no]
+  --enable-libtheora       enable Theora encoding via libtheora [no]
+  --enable-libtls          enable LibreSSL (via libtls), needed for https support
+                           if openssl, gnutls or mbedtls is not used [no]
+  --enable-libtwolame      enable MP2 encoding via libtwolame [no]
+  --enable-libv4l2         enable libv4l2/v4l-utils [no]
+  --enable-libvidstab      enable video stabilization using vid.stab [no]
+  --enable-libvmaf         enable vmaf filter via libvmaf [no]
+  --enable-libvo-amrwbenc  enable AMR-WB encoding via libvo-amrwbenc [no]
+  --enable-libvorbis       enable Vorbis en/decoding via libvorbis,
+                           native implementation exists [no]
+  --enable-libvpx          enable VP8 and VP9 de/encoding via libvpx [no]
+  --enable-libwavpack      enable wavpack encoding via libwavpack [no]
+  --enable-libwebp         enable WebP encoding via libwebp [no]
+  --enable-libx264         enable H.264 encoding via x264 [no]
+  --enable-libx265         enable HEVC encoding via x265 [no]
+  --enable-libxavs         enable AVS encoding via xavs [no]
+  --enable-libxcb          enable X11 grabbing using XCB [autodetect]
+  --enable-libxcb-shm      enable X11 grabbing shm communication [autodetect]
+  --enable-libxcb-xfixes   enable X11 grabbing mouse rendering [autodetect]
+  --enable-libxcb-shape    enable X11 grabbing shape rendering [autodetect]
+  --enable-libxvid         enable Xvid encoding via xvidcore,
+                           native MPEG-4/Xvid encoder exists [no]
+  --enable-libxml2         enable XML parsing using the C library libxml2, needed
+                           for dash demuxing support [no]
+  --enable-libzimg         enable z.lib, needed for zscale filter [no]
+  --enable-libzmq          enable message passing via libzmq [no]
+  --enable-libzvbi         enable teletext support via libzvbi [no]
+  --enable-lv2             enable LV2 audio filtering [no]
+  --disable-lzma           disable lzma [autodetect]
+  --enable-decklink        enable Blackmagic DeckLink I/O support [no]
+  --enable-libndi_newtek   enable Newteck NDI I/O support [no]
+  --enable-mbedtls         enable mbedTLS, needed for https support
+                           if openssl, gnutls or libtls is not used [no]
+  --enable-mediacodec      enable Android MediaCodec support [no]
+  --enable-libmysofa       enable libmysofa, needed for sofalizer filter [no]
+  --enable-openal          enable OpenAL 1.1 capture support [no]
+  --enable-opencl          enable OpenCL processing [no]
+  --enable-opengl          enable OpenGL rendering [no]
+  --enable-openssl         enable openssl, needed for https support
+                           if gnutls, libtls or mbedtls is not used [no]
+  --disable-sndio          disable sndio support [autodetect]
+  --disable-schannel       disable SChannel SSP, needed for TLS support on
+                           Windows if openssl and gnutls are not used [autodetect]
+  --disable-sdl2           disable sdl2 [autodetect]
+  --disable-securetransport disable Secure Transport, needed for TLS support
+                           on OSX if openssl and gnutls are not used [autodetect]
+  --enable-vapoursynth     enable VapourSynth demuxer [no]
+  --disable-xlib           disable xlib [autodetect]
+  --disable-zlib           disable zlib [autodetect]
 
   The following libraries provide various hardware acceleration features:
-  --enable-amf     AMF video encoding code [auto]
-  --enable-cuda    Nvidia CUDA (dynamically linked)
-  --enable-cuvid   Nvidia CUVID video decode acceleration
-  --enable-d3d11va Microsoft Direct3D 11 video acceleration [auto]
-  --enable-dxva2   Microsoft DirectX 9 video acceleration [auto]
-  --enable-libmfx  Intel MediaSDK (AKA Quick Sync Video)
-  --enable-libnpp  Nvidia CUDA processing
-  --enable-mmal    Broadcom Multi-Media Abstraction Layer (Raspberry Pi)
-  --enable-nvenc   Nvidia video encoding
-  --enable-omx     OpenMAX IL
-  --enable-omx-rpi OpenMAX IL for Raspberry Pi
-  --enable-vaapi   Video Acceleration API (mainly Unix/Intel)
-  --enable-vda     Apple Video Decode Acceleration [auto]
-  --enable-vdpau   Nvidia Video Decode and Presentation API for Unix [auto]
+  --disable-amf            disable AMF video encoding code [autodetect]
+  --disable-audiotoolbox   disable Apple AudioToolbox code [autodetect]
+  --enable-cuda-sdk        enable CUDA features that require the CUDA SDK [no]
+  --disable-cuvid          disable Nvidia CUVID support [autodetect]
+  --disable-d3d11va        disable Microsoft Direct3D 11 video acceleration code [autodetect]
+  --disable-dxva2          disable Microsoft DirectX 9 video acceleration code [autodetect]
+  --disable-ffnvcodec      disable dynamically linked Nvidia code [autodetect]
+  --enable-libdrm          enable DRM code (Linux) [no]
+  --enable-libmfx          enable Intel MediaSDK (AKA Quick Sync Video) code via libmfx [no]
+  --enable-libnpp          enable Nvidia Performance Primitives-based code [no]
+  --enable-mmal            enable Broadcom Multi-Media Abstraction Layer (Raspberry Pi) via MMAL [no]
+  --disable-nvdec          disable Nvidia video decoding acceleration (via hwaccel) [autodetect]
+  --disable-nvenc          disable Nvidia video encoding code [autodetect]
+  --enable-omx             enable OpenMAX IL code [no]
+  --enable-omx-rpi         enable OpenMAX IL code for Raspberry Pi [no]
+  --enable-rkmpp           enable Rockchip Media Process Platform code [no]
+  --disable-v4l2-m2m       disable V4L2 mem2mem code [autodetect]
+  --disable-vaapi          disable Video Acceleration API (mainly Unix/Intel) code [autodetect]
+  --disable-vdpau          disable Nvidia Video Decode and Presentation API for Unix code [autodetect]
+  --disable-videotoolbox   disable VideoToolbox code [autodetect]
 
 Toolchain options:
   --arch=ARCH              select architecture [$arch]
   --cpu=CPU                select the minimum required CPU (affects
                            instruction selection, may crash on older CPUs)
   --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]
+  --progs-suffix=SUFFIX    program name suffix []
   --enable-cross-compile   assume a cross-compiler is used
   --sysroot=PATH           root of cross-build tree
   --sysinclude=PATH        location of cross-build system headers
@@ -260,21 +349,29 @@ Toolchain options:
   --target-exec=CMD        command to run executables on target
   --target-path=DIR        path to view of build directory on target
   --target-samples=DIR     path to samples directory on target
+  --tempprefix=PATH        force fixed dir/prefix instead of mktemp for checks
   --toolchain=NAME         set tool defaults according to NAME
                            (gcc-asan, clang-asan, gcc-msan, clang-msan,
                            gcc-tsan, clang-tsan, gcc-usan, clang-usan,
                            valgrind-massif, valgrind-memcheck,
                            msvc, icl, gcov, llvm-cov, hardened)
-  --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 [$as_default]
+  --ln_s=LN_S              use symbolic link tool LN_S [$ln_s_default]
+  --strip=STRIP            use strip tool STRIP [$strip_default]
+  --windres=WINDRES        use windows resource compiler WINDRES [$windres_default]
+  --x86asmexe=EXE          use nasm-compatible assembler EXE [$x86asmexe_default]
   --cc=CC                  use C compiler CC [$cc_default]
+  --cxx=CXX                use C compiler CXX [$cxx_default]
   --objcc=OCC              use ObjC compiler OCC [$cc_default]
   --dep-cc=DEPCC           use dependency generator DEPCC [$cc_default]
-  --ld=LD                  use linker LD
-  --x86asmexe=X86ASM       use x86 assembler X86ASM
+  --nvcc=NVCC              use Nvidia CUDA compiler NVCC [$nvcc_default]
+  --ld=LD                  use linker LD [$ld_default]
   --pkg-config=PKGCONFIG   use pkg-config tool PKGCONFIG [$pkg_config_default]
   --pkg-config-flags=FLAGS pass additional flags to pkgconf []
+  --ranlib=RANLIB          use ranlib RANLIB [$ranlib_default]
+  --doxygen=DOXYGEN        use DOXYGEN to generate API doc [$doxygen_default]
   --host-cc=HOSTCC         use host C compiler HOSTCC
   --host-cflags=HCFLAGS    use HCFLAGS when compiling for host
   --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
@@ -283,6 +380,7 @@ Toolchain options:
   --host-libs=HLIBS        use libs HLIBS when linking for host
   --host-os=OS             compiler host OS [$target_os]
   --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]
+  --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
   --extra-objcflags=FLAGS  add FLAGS to OBJCFLAGS [$CFLAGS]
   --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
   --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
@@ -290,6 +388,8 @@ Toolchain options:
   --extra-libs=ELIBS       add ELIBS [$ELIBS]
   --extra-version=STRING   version string suffix []
   --optflags=OPTFLAGS      override optimization-related compiler flags
+  --nvccflags=NVCCFLAGS    override nvcc flags [$nvccflags_default]
+  --build-suffix=SUFFIX    library name suffix []
   --enable-pic             build position-independent code
   --enable-thumb           compile for Thumb instruction set
   --enable-lto             use link-time optimization
@@ -303,7 +403,7 @@ Advanced options (experts only):
   --disable-safe-bitstream-reader
                            disable buffer boundary checking in bitreaders
                            (faster, but may crash)
-  --enable-sram            allow use of on-chip SRAM
+  --sws-max-filter-size=N  the max filter size swscale uses [$sws_max_filter_size_default]
 
 Optimization options (experts only):
   --disable-asm            disable all assembly optimizations
@@ -325,6 +425,8 @@ Optimization options (experts only):
   --disable-fma3           disable FMA3 optimizations
   --disable-fma4           disable FMA4 optimizations
   --disable-avx2           disable AVX2 optimizations
+  --disable-avx512         disable AVX-512 optimizations
+  --disable-aesni          disable AESNI optimizations
   --disable-armv5te        disable armv5te optimizations
   --disable-armv6          disable armv6 optimizations
   --disable-armv6t2        disable armv6t2 optimizations
@@ -332,59 +434,89 @@ Optimization options (experts only):
   --disable-neon           disable NEON optimizations
   --disable-inline-asm     disable use of inline assembly
   --disable-x86asm         disable use of standalone x86 assembly
-
-Developer options (useful when working on Libav itself):
+  --disable-mipsdsp        disable MIPS DSP ASE R1 optimizations
+  --disable-mipsdspr2      disable MIPS DSP ASE R2 optimizations
+  --disable-msa            disable MSA optimizations
+  --disable-mipsfpu        disable floating point MIPS optimizations
+  --disable-mmi            disable Loongson SIMD optimizations
+  --disable-fast-unaligned consider unaligned accesses slow
+
+Developer options (useful when working on FFmpeg itself):
   --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.
+  --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
+  --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
+  --enable-ftrapv          Trap arithmetic overflows
   --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-neon-clobber-test check NEON registers for clobbering (should be
                            used only for debugging purposes)
   --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
   --disable-valgrind-backtrace do not print a backtrace under Valgrind
                            (only applies to --disable-optimizations builds)
+  --enable-osfuzz          Enable building fuzzer tool
+  --libfuzzer=PATH         path to libfuzzer
   --ignore-tests=TESTS     comma-separated list (without "fate-" prefix
                            in the name) of tests whose result is ignored
+  --enable-linux-perf      enable Linux Performance Monitor API
 
 NOTE: Object files are built at the place where configure is launched.
 EOF
   exit 0
 }
 
+if test -t 1 && which tput >/dev/null 2>&1; then
+    ncolors=$(tput colors)
+    if test -n "$ncolors" && test $ncolors -ge 8; then
+        bold_color=$(tput bold)
+        warn_color=$(tput setaf 3)
+        error_color=$(tput setaf 1)
+        reset_color=$(tput sgr0)
+    fi
+    # 72 used instead of 80 since that's the default of pr
+    ncols=$(tput cols)
+fi
+: ${ncols:=72}
+
 log(){
     echo "$@" >> $logfile
 }
 
 log_file(){
     log BEGIN $1
-    i=1
-    while read line; do
-        printf '%5s   %s\n' "${i}" "${line}"
-        i=$(($i+1))
-    done < $1 >> $logfile
+    pr -n -t $1 >> $logfile
     log END $1
 }
 
-echolog(){
-    log "$@"
-    echo "$@"
-}
-
 warn(){
     log "WARNING: $*"
     WARNINGS="${WARNINGS}WARNING: $*\n"
 }
 
 die(){
-    echolog "$@"
+    log "$@"
+    echo "$error_color$bold_color$@$reset_color"
     cat <<EOF
 
 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-tools@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
@@ -394,7 +526,7 @@ EOF
     else
         cat <<EOF
 Include the log file "$logfile" produced by configure as this will help
-solving the problem.
+solve the problem.
 EOF
     fi
     exit 1
@@ -420,7 +552,7 @@ sh_quote(){
 }
 
 cleanws(){
-    echo "$@" | sed 's/^ *//;s/  */ /g;s/ *$//'
+    echo "$@" | sed 's/^ *//;s/[[:space:]][[:space:]]*/ /g;s/ *$//'
 }
 
 filter(){
@@ -451,6 +583,12 @@ add_suffix(){
     for v; do echo ${v}${suffix}; done
 }
 
+remove_suffix(){
+    suffix=$1
+    shift
+    for v; do echo ${v%$suffix}; done
+}
+
 set_all(){
     value=$1
     shift
@@ -500,6 +638,13 @@ popvar(){
     done
 }
 
+request(){
+    for var in $*; do
+        eval ${var}_requested=yes
+        eval $var=
+    done
+}
+
 enable(){
     set_all yes $*
 }
@@ -531,13 +676,10 @@ disable_sanitized(){
 do_enable_deep(){
     for var; do
         enabled $var && continue
-        eval sel="\$${var}_select"
-        eval sgs="\$${var}_suggest"
-        pushvar var sgs
-        enable_deep $sel
-        popvar sgs
-        enable_deep_weak $sgs
-        popvar var
+        set -- $var
+        eval enable_deep \$${var}_select
+        var=$1
+        eval enable_deep_weak \$${var}_suggest
     done
 }
 
@@ -549,13 +691,18 @@ enable_deep(){
 enable_deep_weak(){
     for var; do
         disabled $var && continue
-        pushvar var
+        set -- $var
         do_enable_deep $var
-        popvar var
+        var=$1
         enable_weak $var
     done
 }
 
+requested(){
+    test "${1#!}" = "$1" && op="=" || op="!="
+    eval test "x\$${1#!}_requested" $op "xyes"
+}
+
 enabled(){
     test "${1#!}" = "$1" && op="=" || op="!="
     eval test "x\$${1#!}" $op "xyes"
@@ -606,40 +753,49 @@ is_in(){
     return 1
 }
 
+# The cfg loop is very hot (several thousands iterations), and in bash also
+# potentialy quite slow. Try to abort the iterations early, preferably without
+# calling functions. 70%+ of the time cfg is already done or without deps.
 check_deps(){
     for cfg; do
-        enabled ${cfg}_checking && die "Circular dependency for $cfg."
-        disabled ${cfg}_checking && continue
-        enable ${cfg}_checking
-
-        eval dep_all="\$${cfg}_deps"
-        eval dep_any="\$${cfg}_deps_any"
-        eval dep_con="\$${cfg}_conflict"
-        eval dep_sel="\$${cfg}_select"
-        eval dep_sgs="\$${cfg}_suggest"
-        eval dep_ifa="\$${cfg}_if"
-        eval dep_ifn="\$${cfg}_if_any"
-
-        pushvar cfg dep_all dep_any dep_con dep_sel dep_sgs dep_ifa dep_ifn
-        check_deps $dep_all $dep_any $dep_con $dep_sel $dep_sgs $dep_ifa $dep_ifn
-        popvar cfg dep_all dep_any dep_con dep_sel dep_sgs dep_ifa dep_ifn
-
-        [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
-        [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
-        enabled_all  $dep_all || disable $cfg
-        enabled_any  $dep_any || disable $cfg
-        disabled_all $dep_con || disable $cfg
-        disabled_any $dep_sel && disable $cfg
-
-        enabled $cfg && enable_deep_weak $dep_sel $dep_sgs
-
-        for dep in $dep_all $dep_any $dep_sel $dep_sgs; do
-            # filter out library deps, these do not belong in extralibs
-            is_in $dep $LIBRARY_LIST && continue
-            enabled $dep && eval append ${cfg}_extralibs ${dep}_extralibs
-        done
+        eval [ x\$${cfg}_checking = xdone ] && continue
+        eval [ x\$${cfg}_checking = xinprogress ] && die "Circular dependency for $cfg."
+
+        eval "
+        dep_all=\$${cfg}_deps
+        dep_any=\$${cfg}_deps_any
+        dep_con=\$${cfg}_conflict
+        dep_sel=\$${cfg}_select
+        dep_sgs=\$${cfg}_suggest
+        dep_ifa=\$${cfg}_if
+        dep_ifn=\$${cfg}_if_any
+        "
+
+        # most of the time here $cfg has no deps - avoid costly no-op work
+        if [ "$dep_all$dep_any$dep_con$dep_sel$dep_sgs$dep_ifa$dep_ifn" ]; then
+            eval ${cfg}_checking=inprogress
+
+            set -- $cfg "$dep_all" "$dep_any" "$dep_con" "$dep_sel" "$dep_sgs" "$dep_ifa" "$dep_ifn"
+            check_deps $dep_all $dep_any $dep_con $dep_sel $dep_sgs $dep_ifa $dep_ifn
+            cfg=$1; dep_all=$2; dep_any=$3; dep_con=$4; dep_sel=$5 dep_sgs=$6; dep_ifa=$7; dep_ifn=$8
+
+            [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
+            [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
+            enabled_all  $dep_all || { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but not all dependencies are satisfied: $dep_all"; }
+            enabled_any  $dep_any || { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but not any dependency is satisfied: $dep_any"; }
+            disabled_all $dep_con || { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but some conflicting dependencies are unsatisfied: $dep_con"; }
+            disabled_any $dep_sel && { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but some selected dependency is unsatisfied: $dep_sel"; }
+
+            enabled $cfg && enable_deep_weak $dep_sel $dep_sgs
+
+            for dep in $dep_all $dep_any $dep_sel $dep_sgs; do
+                # filter out library deps, these do not belong in extralibs
+                is_in $dep $LIBRARY_LIST && continue
+                enabled $dep && eval append ${cfg}_extralibs ${dep}_extralibs
+            done
+        fi
 
-        disable ${cfg}_checking
+        eval ${cfg}_checking=done
     done
 }
 
@@ -663,6 +819,12 @@ print_config(){
                 } else if (file ~ /\\.mak\$/) {
                     n = -v ? \"\" : \"!\";
                     printf(\"%s%s=yes\\n\", n, c) >>file;
+                } else if (file ~ /\\.texi\$/) {
+                    pre = -v ? \"\" : \"@c \";
+                    yesno = \$2;
+                    c2 = tolower(c);
+                    gsub(/_/, \"-\", c2);
+                    printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
                 }
             }
         }"
@@ -688,22 +850,37 @@ prepend(){
     eval "$var=\"$* \$$var\""
 }
 
+reverse () {
+    eval '
+        reverse_out=
+        for v in $'$1'; do
+            reverse_out="$v $reverse_out"
+        done
+        '$1'=$reverse_out
+    '
+}
+
+# keeps the last occurence of each non-unique item
 unique(){
-    var=$1
-    uniq_list=""
-    for tok in $(eval echo \$$var); do
-        uniq_list="$(filter_out $tok $uniq_list) $tok"
+    unique_out=
+    eval unique_in=\$$1
+    reverse unique_in
+    for v in $unique_in; do
+        # " $unique_out" +space such that every item is surrounded with spaces
+        case " $unique_out" in *" $v "*) continue; esac  # already in list
+        unique_out="$unique_out$v "
     done
-    eval "$var=\"${uniq_list}\""
+    reverse unique_out
+    eval $1=\$unique_out
 }
 
 resolve(){
-    var=$1
-    tmpvar=
-    for entry in $(eval echo \$$var); do
-        tmpvar="$tmpvar $(eval echo \$${entry})"
+    resolve_out=
+    eval resolve_in=\$$1
+    for v in $resolve_in; do
+        eval 'resolve_out="$resolve_out$'$v' "'
     done
-    eval "$var=\"${tmpvar}\""
+    eval $1=\$resolve_out
 }
 
 add_cppflags(){
@@ -718,6 +895,10 @@ add_cflags_headers(){
     append CFLAGS_HEADERS $($cflags_filter "$@")
 }
 
+add_cxxflags(){
+    append CXXFLAGS $($cflags_filter "$@")
+}
+
 add_objcflags(){
     append OBJCFLAGS $($objcflags_filter "$@")
 }
@@ -743,7 +924,7 @@ add_extralibs(){
 }
 
 add_stripflags(){
-    append STRIPFLAGS "$@"
+    append ASMSTRIPFLAGS "$@"
 }
 
 add_host_cppflags(){
@@ -769,6 +950,11 @@ test_cmd(){
     "$@" >> $logfile 2>&1
 }
 
+test_stat(){
+    log test_stat "$@"
+    stat "$1" >> $logfile 2>&1
+}
+
 cc_e(){
     eval printf '%s\\n' $CC_E
 }
@@ -804,11 +990,18 @@ test_cc(){
     test_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
 }
 
+test_cxx(){
+    log test_cxx "$@"
+    cat > $TMPCPP
+    log_file $TMPCPP
+    test_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
+}
+
 test_objcc(){
     log test_objcc "$@"
-    cat > $TMPC
-    log_file $TMPC
-    test_cmd $objcc $CPPFLAGS $CFLAGS $OBJCFLAGS "$@" $OBJCC_C $(cc_o $TMPO) $TMPC
+    cat > $TMPM
+    log_file $TMPM
+    test_cmd $objcc -Werror=missing-prototypes $CPPFLAGS $CFLAGS $OBJCFLAGS "$@" $OBJCC_C $(cc_o $TMPO) $TMPM
 }
 
 test_cpp(){
@@ -830,7 +1023,7 @@ test_x86asm(){
     echo "$1" > $TMPASM
     log_file $TMPASM
     shift
-    test_cmd $x86asmexe $X86ASMFLAGS "$@" $(x86asm_o $TMPO) $TMPASM
+    test_cmd $x86asmexe $X86ASMFLAGS -Werror "$@" $(x86asm_o $TMPO) $TMPASM
 }
 
 check_cmd(){
@@ -863,9 +1056,28 @@ void foo(void){ __asm__ volatile($code); }
 EOF
 }
 
+check_inline_asm_flags(){
+    log check_inline_asm_flags "$@"
+    name="$1"
+    code="$2"
+    flags=''
+    shift 2
+    while [ "$1" != "" ]; do
+      append flags $1
+      shift
+    done;
+    disable $name
+    cat > $TMPC <<EOF
+void foo(void){ __asm__ volatile($code); }
+EOF
+    log_file $TMPC
+    test_cmd $cc $CPPFLAGS $CFLAGS $flags "$@" $CC_C $(cc_o $TMPO) $TMPC &&
+    enable $name && add_cflags $flags && add_asflags $flags && add_ldflags $flags
+}
+
 check_insn(){
     log check_insn "$@"
-    check_inline_asm ${1}_inline "$2"
+    check_inline_asm ${1}_inline "\"$2\""
     check_as ${1}_external "$2"
 }
 
@@ -879,20 +1091,23 @@ check_x86asm(){
 
 test_ld(){
     log test_ld "$@"
-    flags=$(filter_out '-l*' "$@")
-    libs=$(filter '-l*' "$@")
-    test_cc $($cflags_filter $flags) || return
+    type=$1
+    shift 1
+    flags=$(filter_out '-l*|*.so' $@)
+    libs=$(filter '-l*|*.so' $@)
+    test_$type $($cflags_filter $flags) || return
     flags=$($ldflags_filter $flags)
     libs=$($ldflags_filter $libs)
-    test_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
+    test_cmd $ld $LDFLAGS $LDEXEFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
 }
 
 check_ld(){
     log check_ld "$@"
-    name=$1
-    shift
+    type=$1
+    name=$2
+    shift 2
     disable $name
-    test_ld $@ && enable $name
+    test_ld $type $@ && enable $name
 }
 
 print_include(){
@@ -918,8 +1133,8 @@ test_code(){
 
 check_cppflags(){
     log check_cppflags "$@"
-    test_cpp "$@" <<EOF && add_cppflags "$@"
-#include <stdlib.h>;
+    test_cpp "$@" <<EOF && append CPPFLAGS "$@"
+#include <stdlib.h>
 EOF
 }
 
@@ -936,6 +1151,14 @@ check_cflags(){
     test_cflags "$@" && add_cflags "$@"
 }
 
+check_cxxflags(){
+    log check_cxxflags "$@"
+    set -- $($cflags_filter "$@")
+    test_cxx "$@" <<EOF && append CXXFLAGS "$@"
+int x;
+EOF
+}
+
 test_objcflags(){
     log test_objcflags "$@"
     set -- $($objcflags_filter "$@")
@@ -952,7 +1175,7 @@ check_objcflags(){
 test_ldflags(){
     log test_ldflags "$@"
     set -- $($ldflags_filter "$@")
-    test_ld "$@" <<EOF
+    test_ld "cc" "$@" <<EOF
 int main(void){ return 0; }
 EOF
 }
@@ -968,7 +1191,7 @@ test_stripflags(){
     test_cc <<EOF
 int main(void) { return 0; }
 EOF
-    test_cmd $strip $STRIPFLAGS "$@" $TMPO
+    test_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO
 }
 
 check_stripflags(){
@@ -989,17 +1212,54 @@ check_headers(){
     } | test_cpp "$@" && enable_sanitized $headers
 }
 
+check_header_objcc(){
+    log check_header_objcc "$@"
+    rm -f -- "$TMPO"
+    header=$1
+    shift
+    disable_sanitized $header
+    {
+       echo "#include <$header>"
+       echo "int main(void) { return 0; }"
+    } | test_objcc && test_stat "$TMPO" && enable_sanitized $header
+}
+
+check_apple_framework(){
+    log check_apple_framework "$@"
+    framework="$1"
+    name="$(tolower $framework)"
+    header="${framework}/${framework}.h"
+    disable $name
+    check_header_objcc $header &&
+        enable $name && eval ${name}_extralibs='"-framework $framework"'
+}
+
 check_func(){
     log check_func "$@"
     func=$1
     shift
     disable $func
-    test_ld "$@" <<EOF && enable $func
+    test_ld "cc" "$@" <<EOF && enable $func
 extern int $func();
 int main(void){ $func(); }
 EOF
 }
 
+check_complexfunc(){
+    log check_complexfunc "$@"
+    func=$1
+    narg=$2
+    shift 2
+    test $narg = 2 && args="f, g" || args="f * I"
+    disable $func
+    test_ld "cc" "$@" <<EOF && enable $func
+#include <complex.h>
+#include <math.h>
+float foo(complex float f, complex float g) { return $func($args); }
+int main(void){ return (int) foo; }
+EOF
+}
+
 check_mathfunc(){
     log check_mathfunc "$@"
     func=$1
@@ -1007,10 +1267,10 @@ check_mathfunc(){
     shift 2
     test $narg = 2 && args="f, g" || args="f"
     disable $func
-    test_ld "$@" <<EOF && enable $func
+    test_ld "cc" "$@" <<EOF && enable $func
 #include <math.h>
 float foo(float f, float g) { return $func($args); }
-int main(void){ return 0; }
+int main(void){ return (int) foo; }
 EOF
 }
 
@@ -1023,11 +1283,36 @@ check_func_headers(){
         for hdr in $headers; do
             print_include $hdr
         done
+        echo "#include <stdint.h>"
         for func in $funcs; do
             echo "long check_$func(void) { return (long) $func; }"
         done
-        echo "int main(void) { return 0; }"
-    } | test_ld "$@" && enable $funcs && enable_sanitized $headers
+        echo "int main(void) { int ret = 0;"
+        # LTO could optimize out the test functions without this
+        for func in $funcs; do
+            echo " ret |= ((intptr_t)check_$func) & 0xFFFF;"
+        done
+        echo "return ret; }"
+    } | test_ld "cc" "$@" && enable $funcs && enable_sanitized $headers
+}
+
+check_class_headers_cpp(){
+    log check_class_headers_cpp "$@"
+    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 $i + 1)
+        done
+        echo "return 0; }"
+    } | test_ld "cxx" "$@" && enable $funcs && enable_sanitized $headers
 }
 
 test_cpp_condition(){
@@ -1051,6 +1336,21 @@ check_cpp_condition(){
     test_cpp_condition "$@" && enable $name
 }
 
+test_cflags_cc(){
+    log test_cflags_cc "$@"
+    flags=$1
+    header=$2
+    condition=$3
+    shift 3
+    set -- $($cflags_filter "$flags")
+    test_cc "$@" <<EOF
+#include <$header>
+#if !($condition)
+#error "unsatisfied condition: $condition"
+#endif
+EOF
+}
+
 check_lib(){
     log check_lib "$@"
     name="$1"
@@ -1062,6 +1362,17 @@ check_lib(){
         enable $name && eval ${name}_extralibs="\$@"
 }
 
+check_lib_cpp(){
+    log check_lib_cpp "$@"
+    name="$1"
+    headers="$2"
+    classes="$3"
+    shift 3
+    disable $name
+    check_class_headers_cpp "$headers" "$classes" "$@" &&
+        enable $name && eval ${name}_extralibs="\$@"
+}
+
 test_pkg_config(){
     log test_pkg_config "$@"
     name="$1"
@@ -1088,8 +1399,7 @@ check_pkg_config(){
 }
 
 test_exec(){
-    log test_exec "$@"
-    test_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
+    test_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
 }
 
 check_exec_crash(){
@@ -1146,9 +1456,11 @@ check_struct(){
 check_builtin(){
     log check_builtin "$@"
     name=$1
-    shift
+    headers=$2
+    builtin=$3
+    shift 3
     disable "$name"
-    test_code ld "$@" && enable "$name"
+    test_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
 }
 
 check_compile_assert(){
@@ -1183,22 +1495,30 @@ require_cc(){
     check_cc "$@" || die "ERROR: $name failed"
 }
 
-require_header(){
-    log require_header "$@"
+require_cpp(){
+    name="$1"
+    headers="$2"
+    classes="$3"
+    shift 3
+    check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
+}
+
+require_headers(){
+    log require_headers "$@"
     headers="$1"
     check_headers "$@" || die "ERROR: $headers not found"
 }
 
 require_cpp_condition(){
     log require_cpp_condition "$@"
-    condition="$2"
+    condition="$3"
     check_cpp_condition "$@" || die "ERROR: $condition not satisfied"
 }
 
 require_pkg_config(){
     log require_pkg_config "$@"
     pkg_version="$2"
-    check_pkg_config "$@" || die "ERROR: $pkg_version not found"
+    check_pkg_config "$@" || die "ERROR: $pkg_version not found using pkg-config$pkg_config_fail_message"
 }
 
 test_host_cc(){
@@ -1218,7 +1538,7 @@ test_host_cpp(){
 check_host_cppflags(){
     log check_host_cppflags "$@"
     test_host_cpp "$@" <<EOF && append host_cppflags "$@"
-#include <stdlib.h>;
+#include <stdlib.h>
 EOF
 }
 
@@ -1270,10 +1590,13 @@ AVCODEC_COMPONENTS="
 
 AVDEVICE_COMPONENTS="
     indevs
+    outdevs
 "
+
 AVFILTER_COMPONENTS="
     filters
 "
+
 AVFORMAT_COMPONENTS="
     demuxers
     muxers
@@ -1288,44 +1611,58 @@ COMPONENT_LIST="
 "
 
 EXAMPLE_LIST="
+    avio_dir_cmd_example
+    avio_reading_example
     decode_audio_example
     decode_video_example
+    demuxing_decoding_example
     encode_audio_example
     encode_video_example
+    extract_mvs_example
     filter_audio_example
+    filtering_audio_example
+    filtering_video_example
+    http_multiclient_example
+    hw_decode_example
     metadata_example
-    output_example
+    muxing_example
     qsvdec_example
+    remuxing_example
+    resampling_audio_example
+    scaling_video_example
     transcode_aac_example
+    transcoding_example
+    vaapi_encode_example
+    vaapi_transcode_example
 "
 
-# catchall list of things that require external libs to link
-EXTRALIBS_LIST="
-    cpu_init
-    cws2fws
-"
-
-HWACCEL_LIBRARY_NONFREE_LIST="
-    cuda
-    cuvid
-    libnpp
-"
-HWACCEL_LIBRARY_LIST="
-    $HWACCEL_LIBRARY_NONFREE_LIST
-    amf
-    d3d11va
-    dxva2
-    libmfx
-    mmal
-    nvenc
-    omx
-    vaapi
-    vda
-    vdpau
+EXTERNAL_AUTODETECT_LIBRARY_LIST="
+    alsa
+    appkit
+    avfoundation
+    bzlib
+    coreimage
+    iconv
+    libxcb
+    libxcb_shm
+    libxcb_shape
+    libxcb_xfixes
+    lzma
+    schannel
+    sdl2
+    securetransport
+    sndio
+    xlib
+    zlib
 "
 
 EXTERNAL_LIBRARY_GPL_LIST="
+    avisynth
+    frei0r
     libcdio
+    libdavs2
+    librubberband
+    libvidstab
     libx264
     libx265
     libxavs
@@ -1333,65 +1670,142 @@ EXTERNAL_LIBRARY_GPL_LIST="
 "
 
 EXTERNAL_LIBRARY_NONFREE_LIST="
-    libfaac
+    decklink
+    libndi_newtek
     libfdk_aac
     openssl
+    libtls
 "
 
 EXTERNAL_LIBRARY_VERSION3_LIST="
+    gmp
+    liblensfun
     libopencore_amrnb
     libopencore_amrwb
-    libvo_aacenc
+    libvmaf
     libvo_amrwbenc
+    mbedtls
+    rkmpp
+"
+
+EXTERNAL_LIBRARY_GPLV3_LIST="
+    libsmbclient
 "
 
 EXTERNAL_LIBRARY_LIST="
     $EXTERNAL_LIBRARY_GPL_LIST
     $EXTERNAL_LIBRARY_NONFREE_LIST
     $EXTERNAL_LIBRARY_VERSION3_LIST
-    avisynth
-    avxsynth
-    frei0r
+    $EXTERNAL_LIBRARY_GPLV3_LIST
+    chromaprint
+    gcrypt
     gnutls
+    jni
+    ladspa
     libaom
+    libass
+    libbluray
     libbs2b
+    libcaca
+    libcelt
+    libcodec2
     libdc1394
-    libdcadec
+    libdrm
+    libflite
     libfontconfig
     libfreetype
+    libfribidi
+    libgme
     libgsm
-    libhdcd
+    libiec61883
     libilbc
     libjack
     libkvazaar
+    libmodplug
     libmp3lame
+    libmysofa
     libopencv
     libopenh264
     libopenjpeg
+    libopenmpt
     libopus
     libpulse
+    librsvg
     librtmp
-    libschroedinger
+    libshine
+    libsmbclient
     libsnappy
+    libsoxr
     libspeex
     libsrt
+    libssh
+    libtensorflow
+    libtesseract
     libtheora
     libtwolame
+    libv4l2
     libvorbis
     libvpx
     libwavpack
     libwebp
-    libxcb
-    libxcb_shm
-    libxcb_xfixes
+    libxml2
+    libzimg
+    libzmq
+    libzvbi
+    lv2
+    mediacodec
+    openal
+    opengl
+    vapoursynth
 "
 
-SYSTEM_LIBRARY_LIST="
-    bzlib
-    zlib
+HWACCEL_AUTODETECT_LIBRARY_LIST="
+    amf
+    audiotoolbox
+    crystalhd
+    cuda
+    cuvid
+    d3d11va
+    dxva2
+    ffnvcodec
+    nvdec
+    nvenc
+    vaapi
+    vdpau
+    videotoolbox
+    v4l2_m2m
+    xvmc
+"
+
+# catchall list of things that require external libs to link
+EXTRALIBS_LIST="
+    cpu_init
+    cws2fws
+"
+
+HWACCEL_LIBRARY_NONFREE_LIST="
+    cuda_sdk
+    libnpp
+"
+
+HWACCEL_LIBRARY_LIST="
+    $HWACCEL_LIBRARY_NONFREE_LIST
+    libmfx
+    mmal
+    omx
+    opencl
+"
+
+DOCUMENT_LIST="
+    doc
+    htmlpages
+    manpages
+    podpages
+    txtpages
 "
 
 FEATURE_LIST="
+    ftrapv
     gray
     hardcoded_tables
     omx_rpi
@@ -1399,19 +1813,21 @@ FEATURE_LIST="
     safe_bitstream_reader
     shared
     small
-    sram
     static
     swscale_alpha
 "
 
+# this list should be kept in linking order
 LIBRARY_LIST="
-    avcodec
     avdevice
     avfilter
+    swscale
+    postproc
     avformat
+    avcodec
+    swresample
     avresample
     avutil
-    swscale
 "
 
 LICENSE_LIST="
@@ -1421,39 +1837,46 @@ LICENSE_LIST="
 "
 
 PROGRAM_LIST="
-    avconv
-    avplay
-    avprobe
+    ffplay
+    ffprobe
+    ffmpeg
 "
 
 SUBSYSTEM_LIST="
     dct
-    doc
+    dwt
     error_resilience
     faan
+    fast_unaligned
     fft
     lsp
     lzo
     mdct
+    pixelutils
     network
     rdft
 "
 
 # COMPONENT_LIST needs to come last to ensure correct dependency checking
 CONFIG_LIST="
+    $DOCUMENT_LIST
     $EXAMPLE_LIST
     $EXTERNAL_LIBRARY_LIST
+    $EXTERNAL_AUTODETECT_LIBRARY_LIST
     $HWACCEL_LIBRARY_LIST
+    $HWACCEL_AUTODETECT_LIBRARY_LIST
     $FEATURE_LIST
     $LICENSE_LIST
     $LIBRARY_LIST
     $PROGRAM_LIST
     $SUBSYSTEM_LIST
-    $SYSTEM_LIBRARY_LIST
+    autodetect
+    fontconfig
+    linux_perf
+    memory_poisoning
     neon_clobber_test
+    ossfuzz
     pic
-    pod2man
-    texi2html
     thumb
     valgrind_backtrace
     xmm_clobber_test
@@ -1462,6 +1885,7 @@ CONFIG_LIST="
 
 THREADS_LIST="
     pthreads
+    os2threads
     w32threads
 "
 
@@ -1471,6 +1895,12 @@ ATOMICS_LIST="
     atomics_win32
 "
 
+AUTODETECT_LIBS="
+    $EXTERNAL_AUTODETECT_LIBRARY_LIST
+    $HWACCEL_AUTODETECT_LIBRARY_LIST
+    $THREADS_LIST
+"
+
 ARCH_LIST="
     aarch64
     alpha
@@ -1506,13 +1936,34 @@ ARCH_EXT_LIST_ARM="
     neon
     vfp
     vfpv3
+    setend
+"
+
+ARCH_EXT_LIST_MIPS="
+    mipsfpu
+    mips32r2
+    mips32r5
+    mips64r2
+    mips32r6
+    mips64r6
+    mipsdsp
+    mipsdspr2
+    msa
+"
+
+ARCH_EXT_LIST_LOONGSON="
+    loongson2
+    loongson3
+    mmi
 "
 
 ARCH_EXT_LIST_X86_SIMD="
+    aesni
     amd3dnow
     amd3dnowext
     avx
     avx2
+    avx512
     fma3
     fma4
     mmx
@@ -1541,22 +1992,12 @@ ARCH_EXT_LIST_X86="
     i686
 "
 
-ARCH_EXT_LIST_MIPS="
-    loongson
-    mips32r1
-    mips64r1
-    mips32r2
-    mips64r2
-    mips32r6
-    mips64r6
-"
-
 ARCH_EXT_LIST="
     $ARCH_EXT_LIST_ARM
-    $ARCH_EXT_LIST_MIPS
     $ARCH_EXT_LIST_PPC
     $ARCH_EXT_LIST_X86
-    vis
+    $ARCH_EXT_LIST_MIPS
+    $ARCH_EXT_LIST_LOONGSON
 "
 
 ARCH_FEATURES="
@@ -1564,11 +2005,10 @@ ARCH_FEATURES="
     fast_64bit
     fast_clz
     fast_cmov
-    local_aligned_8
-    local_aligned_16
-    local_aligned_32
+    local_aligned
     simd_align_16
     simd_align_32
+    simd_align_64
 "
 
 BUILTIN_LIST="
@@ -1592,10 +2032,11 @@ HAVE_LIST_PUB="
 "
 
 HEADERS_LIST="
-    AVFoundation_AVFoundation_h
     arpa_inet_h
+    asm_types_h
     cdio_paranoia_h
     cdio_paranoia_paranoia_h
+    cuda_h
     dispatch_dispatch_h
     dev_bktr_ioctl_bt848_h
     dev_bktr_ioctl_meteor_h
@@ -1603,12 +2044,18 @@ HEADERS_LIST="
     dev_video_bktr_ioctl_bt848_h
     dev_video_meteor_ioctl_meteor_h
     direct_h
+    dirent_h
     dxgidebug_h
     dxva_h
+    ES2_gl_h
+    gsm_h
     io_h
+    linux_perf_event_h
     machine_ioctl_bt848_h
     machine_ioctl_meteor_h
     malloc_h
+    opencv2_core_core_c_h
+    OpenGL_gl3_h
     poll_h
     sys_param_h
     sys_resource_h
@@ -1617,6 +2064,8 @@ HEADERS_LIST="
     sys_time_h
     sys_un_h
     sys_videoio_h
+    termios_h
+    udplite_h
     unistd_h
     valgrind_valgrind_h
     windows_h
@@ -1627,14 +2076,24 @@ INTRINSICS_LIST="
     intrinsics_neon
 "
 
+COMPLEX_FUNCS="
+    cabs
+    cexp
+"
+
 MATH_FUNCS="
     atanf
     atan2f
+    cbrt
     cbrtf
+    copysign
     cosf
+    erf
     exp2
     exp2f
     expf
+    hypot
+    isfinite
     isinf
     isnan
     ldexpf
@@ -1661,10 +2120,13 @@ SYSTEM_FEATURES="
     section_data_rel_ro
     threads
     uwp
+    winrt
 "
 
 SYSTEM_FUNCS="
+    access
     aligned_malloc
+    arc4random
     clock_gettime
     closesocket
     CommandLineToArgvW
@@ -1678,19 +2140,29 @@ SYSTEM_FUNCS="
     getrusage
     GetSystemTimeAsFileTime
     gettimeofday
+    glob
+    glXGetProcAddress
     gmtime_r
     inet_aton
     isatty
+    kbhit
     localtime_r
+    lstat
+    lzo1x_999_compress
     mach_absolute_time
     MapViewOfFile
     memalign
+    mkstemp
     mmap
     mprotect
     nanosleep
+    PeekNamedPipe
     posix_memalign
+    pthread_cancel
     sched_getaffinity
+    SecItemImport
     SetConsoleTextAttribute
+    SetConsoleCtrlHandler
     setmode
     setrlimit
     Sleep
@@ -1698,13 +2170,13 @@ SYSTEM_FUNCS="
     sysconf
     sysctl
     usleep
+    UTGetOSTypeFromString
     VirtualAlloc
+    wglGetProcAddress
 "
 
 SYSTEM_LIBRARIES="
     bcrypt
-    sdl
-    vaapi_1
     vaapi_drm
     vaapi_x11
     vdpau_x11
@@ -1712,6 +2184,7 @@ SYSTEM_LIBRARIES="
 
 TOOLCHAIN_FEATURES="
     as_arch_directive
+    as_dn_directive
     as_fpu_directive
     as_func
     as_object_arch
@@ -1720,9 +2193,13 @@ TOOLCHAIN_FEATURES="
     ebp_available
     ebx_available
     gnu_as
+    gnu_windres
     ibm_asm
+    inline_asm_direct_symbol_refs
     inline_asm_labels
+    inline_asm_nonlocal_labels
     pragma_deprecated
+    rsync_contimeout
     symver_asm_label
     symver_gnu_asm
     vfp_args
@@ -1731,17 +2208,20 @@ TOOLCHAIN_FEATURES="
 "
 
 TYPES_LIST="
-    CUVIDDECODECREATEINFO_bitDepthMinus8
+    kCMVideoCodecType_HEVC
     socklen_t
     struct_addrinfo
     struct_group_source_req
     struct_ip_mreq_source
     struct_ipv6_mreq
+    struct_msghdr_msg_flags
     struct_pollfd
     struct_rusage_ru_maxrss
+    struct_sctp_event_subscribe
     struct_sockaddr_in6
     struct_sockaddr_sa_len
     struct_sockaddr_storage
+    struct_stat_st_mtim_tv_nsec
     struct_v4l2_frmivalenum_discrete
 "
 
@@ -1751,6 +2231,7 @@ HAVE_LIST="
     $(add_suffix _inline   $ARCH_EXT_LIST)
     $ARCH_FEATURES
     $BUILTIN_LIST
+    $COMPLEX_FUNCS
     $HAVE_LIST_CMDLINE
     $HAVE_LIST_PUB
     $HEADERS_LIST
@@ -1762,6 +2243,17 @@ HAVE_LIST="
     $THREADS_LIST
     $TOOLCHAIN_FEATURES
     $TYPES_LIST
+    makeinfo
+    makeinfo_html
+    opencl_d3d11
+    opencl_drm_arm
+    opencl_drm_beignet
+    opencl_dxva2
+    opencl_vaapi_beignet
+    opencl_vaapi_intel_media
+    perl
+    pod2man
+    texi2html
 "
 
 # options emitted with CONFIG_ prefix but not available on the command line
@@ -1778,15 +2270,18 @@ CONFIG_EXTRA="
     cbs_h264
     cbs_h265
     cbs_mpeg2
+    cbs_vp9
     dirac_parse
+    dnn
     dvprofile
+    exif
     faandct
     faanidct
     fdctdsp
     flacdsp
     fmtconvert
+    frame_thread_encoder
     g722dsp
-    gmp
     golomb
     gplv3
     h263dsp
@@ -1802,14 +2297,16 @@ CONFIG_EXTRA="
     huffyuvencdsp
     idctdsp
     iirfilter
-    imdct15
+    mdct15
     intrax8
     iso_media
     ividsp
     jpegtables
     lgplv3
     libx262
-    libxcb_shape
+    llauddsp
+    llviddsp
+    llvidencdsp
     lpc
     lzf
     me_cmp
@@ -1839,6 +2336,7 @@ CONFIG_EXTRA="
     texturedsp
     texturedspenc
     tpeldsp
+    vaapi_1
     vaapi_encode
     vc1dsp
     videodsp
@@ -1862,6 +2360,7 @@ CMDLINE_SELECT="
     lto
     optimizations
     rpath
+    stripping
 "
 
 PATHS_LIST="
@@ -1871,8 +2370,10 @@ PATHS_LIST="
     incdir
     libdir
     mandir
+    pkgconfigdir
     prefix
     shlibdir
+    install_name_dir
 "
 
 CMDLINE_SET="
@@ -1880,14 +2381,19 @@ CMDLINE_SET="
     ar
     arch
     as
+    assert_level
+    build_suffix
     cc
     objcc
     cpu
     cross_prefix
     custom_allocator
+    cxx
     dep_cc
+    doxygen
     env
     extra_version
+    gas
     host_cc
     host_cflags
     host_extralibs
@@ -1895,26 +2401,38 @@ CMDLINE_SET="
     host_ldflags
     host_os
     ignore_tests
+    install
     ld
+    ln_s
     logfile
     malloc_prefix
     nm
     optflags
+    nvcc
+    nvccflags
     pkg_config
     pkg_config_flags
+    progs_suffix
+    random_seed
+    ranlib
     samples
+    strip
+    sws_max_filter_size
     sysinclude
     sysroot
     target_exec
     target_os
     target_path
     target_samples
+    tempprefix
     toolchain
+    valgrind
     x86asmexe
 "
 
 CMDLINE_APPEND="
     extra_cflags
+    extra_cxxflags
     extra_objcflags
     host_cppflags
 "
@@ -1931,6 +2449,7 @@ neon_deps_any="aarch64 arm"
 intrinsics_neon_deps="neon"
 vfp_deps_any="aarch64 arm"
 vfpv3_deps="vfp"
+setend_deps="arm"
 
 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
 
@@ -1941,15 +2460,18 @@ ppc4xx_deps="ppc"
 vsx_deps="altivec"
 power8_deps="vsx"
 
-loongson_deps="mips"
-mips32r1_deps="mips32"
-mips32r2_deps="mips32"
-mips32r6_deps="mips32"
-mips64r1_deps="mips64"
-mips64r2_deps="mips64"
-mips64r6_deps="mips64"
-
-vis_deps="sparc"
+loongson2_deps="mips"
+loongson3_deps="mips"
+mips32r2_deps="mips"
+mips32r5_deps="mips"
+mips32r6_deps="mips"
+mips64r2_deps="mips"
+mips64r6_deps="mips"
+mipsfpu_deps="mips"
+mipsdsp_deps="mips"
+mipsdspr2_deps="mips"
+mmi_deps="mips"
+msa_deps="mipsfpu"
 
 cpunop_deps="i686"
 x86_64_select="i686"
@@ -1966,11 +2488,13 @@ sse3_deps="sse2"
 ssse3_deps="sse3"
 sse4_deps="ssse3"
 sse42_deps="sse4"
+aesni_deps="sse42"
 avx_deps="sse42"
 xop_deps="avx"
 fma3_deps="avx"
 fma4_deps="avx"
 avx2_deps="avx"
+avx512_deps="avx2"
 
 mmx_external_deps="x86asm"
 mmx_inline_deps="inline_asm x86"
@@ -1989,8 +2513,10 @@ fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
 fast_unaligned_if_any="aarch64 ppc x86"
 simd_align_16_if_any="altivec neon sse"
 simd_align_32_if_any="avx"
+simd_align_64_if_any="avx512"
 
 # system capabilities
+linux_perf_deps="linux_perf_event_h"
 symver_if_any="symver_asm_label symver_gnu_asm"
 valgrind_backtrace_conflict="optimizations"
 valgrind_backtrace_deps="valgrind_valgrind_h"
@@ -2000,15 +2526,17 @@ atomics_gcc_if="sync_val_compare_and_swap"
 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
 atomics_win32_if="MemoryBarrier"
 atomics_native_if_any="$ATOMICS_LIST"
-w32threads_deps="atomics_native CONDITION_VARIABLE"
+w32threads_deps="atomics_native"
 threads_if_any="$THREADS_LIST"
 
 # subsystems
 cbs_h264_select="cbs golomb"
 cbs_h265_select="cbs golomb"
 cbs_mpeg2_select="cbs"
+cbs_vp9_select="cbs"
 dct_select="rdft"
 dirac_parse_select="golomb"
+dnn_suggest="libtensorflow"
 error_resilience_select="me_cmp"
 faandct_deps="faan"
 faandct_select="fdctdsp"
@@ -2016,22 +2544,26 @@ faanidct_deps="faan"
 faanidct_select="idctdsp"
 h264dsp_select="startcode"
 hevcparse_select="golomb"
+frame_thread_encoder_deps="encoders threads"
 intrax8_select="blockdsp idctdsp"
 mdct_select="fft"
-rdft_select="fft"
+mdct15_select="fft"
 me_cmp_select="fdctdsp idctdsp pixblockdsp"
 mpeg_er_select="error_resilience"
 mpegaudio_select="mpegaudiodsp mpegaudioheader"
 mpegaudiodsp_select="dct"
-mpegvideo_select="blockdsp hpeldsp idctdsp me_cmp mpeg_er videodsp"
-mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
+mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp mpeg_er videodsp"
+mpegvideoenc_select="aandcttables me_cmp mpegvideo pixblockdsp qpeldsp"
 vc1dsp_select="h264chroma qpeldsp startcode"
+rdft_select="fft"
 
 # decoders / encoders
-aac_decoder_select="adts_header imdct15 mdct sinewin"
-aac_encoder_select="audio_frame_queue iirfilter mdct sinewin"
+aac_decoder_select="adts_header mdct15 mdct sinewin"
+aac_fixed_decoder_select="adts_header mdct sinewin"
+aac_encoder_select="audio_frame_queue iirfilter lpc mdct sinewin"
 aac_latm_decoder_select="aac_decoder aac_latm_parser"
 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
+ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"
 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
 adpcm_g722_decoder_select="g722dsp"
@@ -2041,15 +2573,25 @@ alac_encoder_select="lpc"
 als_decoder_select="bswapdsp"
 amrnb_decoder_select="lsp"
 amrwb_decoder_select="lsp"
-amv_decoder_select="sp5x_decoder"
-ape_decoder_select="bswapdsp"
+amv_decoder_select="sp5x_decoder exif"
+amv_encoder_select="jpegtables mpegvideoenc"
+ape_decoder_select="bswapdsp llauddsp"
+apng_decoder_deps="zlib"
+apng_encoder_deps="zlib"
+apng_encoder_select="llvidencdsp"
+aptx_decoder_select="audio_frame_queue"
+aptx_encoder_select="audio_frame_queue"
+aptx_hd_decoder_select="audio_frame_queue"
+aptx_hd_encoder_select="audio_frame_queue"
 asv1_decoder_select="blockdsp bswapdsp idctdsp"
-asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
+asv1_encoder_select="aandcttables bswapdsp fdctdsp pixblockdsp"
 asv2_decoder_select="blockdsp bswapdsp idctdsp"
-asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
+asv2_encoder_select="aandcttables bswapdsp fdctdsp pixblockdsp"
 atrac1_decoder_select="mdct sinewin"
 atrac3_decoder_select="mdct"
 atrac3p_decoder_select="mdct sinewin"
+atrac9_decoder_select="mdct"
+avrn_decoder_select="exif jpegtables"
 bink_decoder_select="blockdsp hpeldsp"
 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
@@ -2060,10 +2602,12 @@ comfortnoise_encoder_select="lpc"
 cook_decoder_select="audiodsp mdct sinewin"
 cscd_decoder_select="lzo"
 cscd_decoder_suggest="zlib"
-dca_decoder_select="fmtconvert mdct"
+dca_decoder_select="mdct"
 dds_decoder_select="texturedsp"
+dirac_decoder_select="dirac_parse dwt golomb videodsp mpegvideoenc"
 dnxhd_decoder_select="blockdsp idctdsp"
-dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
+dnxhd_encoder_select="blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
+dolby_e_decoder_select="mdct"
 dvvideo_decoder_select="dvprofile idctdsp"
 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
 dxa_decoder_deps="zlib"
@@ -2071,7 +2615,7 @@ dxv_decoder_select="lzf texturedsp"
 eac3_decoder_select="ac3_decoder"
 eac3_encoder_select="ac3_encoder"
 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
-eatgq_decoder_select="aandcttables idctdsp"
+eatgq_decoder_select="aandcttables"
 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp"
 exr_decoder_deps="zlib"
 ffv1_decoder_select="rangecoder"
@@ -2081,29 +2625,32 @@ ffvhuff_encoder_select="huffyuv_encoder"
 fic_decoder_select="golomb"
 flac_decoder_select="flacdsp"
 flac_encoder_select="bswapdsp flacdsp lpc"
+flashsv2_decoder_deps="zlib"
+flashsv2_encoder_deps="zlib"
 flashsv_decoder_deps="zlib"
 flashsv_encoder_deps="zlib"
-flashsv2_decoder_deps="zlib"
 flv_decoder_select="h263_decoder"
 flv_encoder_select="h263_encoder"
 fourxm_decoder_select="blockdsp bswapdsp"
 fraps_decoder_select="bswapdsp huffman"
 g2m_decoder_deps="zlib"
 g2m_decoder_select="blockdsp idctdsp jpegtables"
-h261_decoder_select="mpeg_er mpegvideo"
-h261_encoder_select="aandcttables mpegvideoenc"
-h263_decoder_select="error_resilience h263_parser h263dsp mpeg_er mpegvideo qpeldsp"
-h263_encoder_select="aandcttables h263dsp mpegvideoenc"
+g729_decoder_select="audiodsp"
+h261_decoder_select="mpegvideo"
+h261_encoder_select="mpegvideoenc"
+h263_decoder_select="h263_parser h263dsp mpegvideo qpeldsp"
+h263_encoder_select="h263dsp mpegvideoenc"
 h263i_decoder_select="h263_decoder"
+h263p_decoder_select="h263_decoder"
 h263p_encoder_select="h263_encoder"
 h264_decoder_select="cabac golomb h264chroma h264dsp h264parse h264pred h264qpel videodsp"
 h264_decoder_suggest="error_resilience"
 hap_decoder_select="snappy texturedsp"
 hap_encoder_deps="libsnappy"
 hap_encoder_select="texturedspenc"
-hevc_decoder_select="bswapdsp cabac hevcparse videodsp"
-huffyuv_decoder_select="bswapdsp huffyuvdsp"
-huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp"
+hevc_decoder_select="bswapdsp cabac golomb hevcparse videodsp"
+huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"
+huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llvidencdsp"
 iac_decoder_select="imc_decoder"
 imc_decoder_select="bswapdsp fft mdct sinewin"
 indeo3_decoder_select="hpeldsp"
@@ -2112,16 +2659,18 @@ indeo5_decoder_select="ividsp"
 interplay_video_decoder_select="hpeldsp"
 jpegls_decoder_select="mjpeg_decoder"
 jv_decoder_select="blockdsp"
-lagarith_decoder_select="huffyuvdsp"
-ljpeg_encoder_select="aandcttables idctdsp jpegtables"
-magicyuv_decoder_select="huffyuvdsp"
+lagarith_decoder_select="llviddsp"
+ljpeg_encoder_select="idctdsp jpegtables mpegvideoenc"
+magicyuv_decoder_select="llviddsp"
+magicyuv_encoder_select="llvidencdsp"
 mdec_decoder_select="blockdsp idctdsp mpegvideo"
 metasound_decoder_select="lsp mdct sinewin"
 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
-mjpeg_decoder_select="blockdsp hpeldsp idctdsp jpegtables"
-mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
+mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"
+mjpeg_encoder_select="jpegtables mpegvideoenc"
 mjpegb_decoder_select="mjpeg_decoder"
 mlp_decoder_select="mlp_parser"
+mlp_encoder_select="lpc"
 motionpixels_decoder_select="bswapdsp"
 mp1_decoder_select="mpegaudio"
 mp1float_decoder_select="mpegaudio"
@@ -2135,48 +2684,62 @@ mp3on4_decoder_select="mpegaudio"
 mp3on4float_decoder_select="mpegaudio"
 mpc7_decoder_select="bswapdsp mpegaudiodsp"
 mpc8_decoder_select="mpegaudiodsp"
-mpeg1video_decoder_select="error_resilience mpeg_er mpegvideo"
-mpeg1video_encoder_select="aandcttables mpegvideoenc"
-mpeg2video_decoder_select="error_resilience mpeg_er mpegvideo"
-mpeg2video_encoder_select="aandcttables mpegvideoenc"
+mpegvideo_decoder_select="mpegvideo"
+mpeg1video_decoder_select="mpegvideo"
+mpeg1video_encoder_select="mpegvideoenc h263dsp"
+mpeg2video_decoder_select="mpegvideo"
+mpeg2video_encoder_select="mpegvideoenc h263dsp"
 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
 mpeg4_encoder_select="h263_encoder"
 msa1_decoder_select="mss34dsp"
+mscc_decoder_deps="zlib"
 msmpeg4v1_decoder_select="h263_decoder"
 msmpeg4v2_decoder_select="h263_decoder"
 msmpeg4v2_encoder_select="h263_encoder"
 msmpeg4v3_decoder_select="h263_decoder"
 msmpeg4v3_encoder_select="h263_encoder"
-mss2_decoder_select="error_resilience mpeg_er mpegvideo qpeldsp vc1_decoder"
+mss2_decoder_select="mpegvideo qpeldsp vc1_decoder"
 mts2_decoder_select="mss34dsp"
+mwsc_decoder_deps="zlib"
 mxpeg_decoder_select="mjpeg_decoder"
 nellymoser_decoder_select="mdct sinewin"
 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
 nuv_decoder_select="idctdsp lzo"
 on2avc_decoder_select="mdct"
-opus_decoder_deps="avresample"
-opus_decoder_select="imdct15"
+opus_decoder_deps="swresample"
+opus_decoder_select="mdct15"
+opus_encoder_select="audio_frame_queue mdct15"
 png_decoder_deps="zlib"
 png_encoder_deps="zlib"
-png_encoder_select="huffyuvencdsp"
-prores_decoder_select="idctdsp"
+png_encoder_select="llvidencdsp"
+prores_decoder_select="blockdsp idctdsp"
 prores_encoder_select="fdctdsp"
 qcelp_decoder_select="lsp"
 qdm2_decoder_select="mdct rdft mpegaudiodsp"
-ra_144_encoder_select="audio_frame_queue lpc"
+ra_144_decoder_select="audiodsp"
+ra_144_encoder_select="audio_frame_queue lpc audiodsp"
 ralf_decoder_select="golomb"
+rawvideo_decoder_select="bswapdsp"
 rscc_decoder_deps="zlib"
-rv10_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
+rtjpeg_decoder_select="me_cmp"
+rv10_decoder_select="h263_decoder"
 rv10_encoder_select="h263_encoder"
-rv20_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
+rv20_decoder_select="h263_decoder"
 rv20_encoder_select="h263_encoder"
-rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo rv34dsp videodsp"
-rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo rv34dsp videodsp"
+rv30_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
+rv40_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
 screenpresso_decoder_deps="zlib"
+shorten_decoder_select="bswapdsp"
 sipr_decoder_select="lsp"
+snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"
+snow_encoder_select="dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"
+sonic_decoder_select="golomb rangecoder"
+sonic_encoder_select="golomb rangecoder"
+sonic_ls_encoder_select="golomb rangecoder"
 sp5x_decoder_select="mjpeg_decoder"
+srgc_decoder_deps="zlib"
 svq1_decoder_select="hpeldsp"
-svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
+svq1_encoder_select="hpeldsp me_cmp mpegvideoenc"
 svq3_decoder_select="golomb h264dsp h264parse h264pred hpeldsp tpeldsp videodsp"
 svq3_decoder_suggest="zlib"
 tak_decoder_select="audiodsp"
@@ -2184,21 +2747,22 @@ tdsc_decoder_deps="zlib"
 tdsc_decoder_select="mjpeg_decoder"
 theora_decoder_select="vp3_decoder"
 thp_decoder_select="mjpeg_decoder"
-tiff_decoder_suggest="zlib"
+tiff_decoder_suggest="zlib lzma"
 tiff_encoder_suggest="zlib"
-truehd_decoder_select="mlp_decoder"
+truehd_decoder_select="mlp_parser"
+truehd_encoder_select="lpc"
 truemotion2_decoder_select="bswapdsp"
 truespeech_decoder_select="bswapdsp"
 tscc_decoder_deps="zlib"
-txd_decoder_select="texturedsp"
 twinvq_decoder_select="mdct lsp sinewin"
-utvideo_decoder_select="bswapdsp huffyuvdsp"
-utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"
-vble_decoder_select="huffyuvdsp"
-vc1_decoder_select="blockdsp error_resilience h263_decoder h264qpel intrax8 mpeg_er mpegvideo vc1dsp"
+txd_decoder_select="texturedsp"
+utvideo_decoder_select="bswapdsp llviddsp"
+utvideo_encoder_select="bswapdsp huffman llvidencdsp"
+vble_decoder_select="llviddsp"
+vc1_decoder_select="blockdsp h263_decoder h264qpel intrax8 mpegvideo vc1dsp"
 vc1image_decoder_select="vc1_decoder"
 vorbis_decoder_select="mdct"
-vorbis_encoder_select="mdct"
+vorbis_encoder_select="audio_frame_queue mdct"
 vp3_decoder_select="hpeldsp vp3dsp videodsp"
 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"
 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"
@@ -2206,8 +2770,10 @@ vp6a_decoder_select="vp6_decoder"
 vp6f_decoder_select="vp6_decoder"
 vp7_decoder_select="h264pred videodsp vp8dsp"
 vp8_decoder_select="h264pred videodsp vp8dsp"
-vp9_decoder_select="videodsp vp9_superframe_split_bsf"
-webp_decoder_select="vp8_decoder"
+vp9_decoder_select="videodsp vp9_parser vp9_superframe_split_bsf"
+wcmv_decoder_deps="zlib"
+webp_decoder_select="vp8_decoder exif"
+wmalossless_decoder_select="llauddsp"
 wmapro_decoder_select="mdct sinewin wma_freqs"
 wmav1_decoder_select="mdct sinewin wma_freqs"
 wmav1_encoder_select="mdct sinewin wma_freqs"
@@ -2220,6 +2786,8 @@ wmv2_decoder_select="blockdsp error_resilience h263_decoder idctdsp intrax8 vide
 wmv2_encoder_select="h263_encoder wmv2dsp"
 wmv3_decoder_select="vc1_decoder"
 wmv3image_decoder_select="wmv3_decoder"
+xma1_decoder_select="wmapro_decoder"
+xma2_decoder_select="wmapro_decoder"
 zerocodec_decoder_deps="zlib"
 zlib_decoder_deps="zlib"
 zlib_encoder_deps="zlib"
@@ -2227,78 +2795,121 @@ zmbv_decoder_deps="zlib"
 zmbv_encoder_deps="zlib"
 
 # hardware accelerators
-d3d11va_deps="dxva_h ID3D11VideoDecoder"
-dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode ole32"
-vda_deps="VideoDecodeAcceleration_VDADecoder_h blocks_extension pthreads"
-vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
+crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
+cuda_deps="ffnvcodec"
+cuvid_deps="ffnvcodec"
+d3d11va_deps="dxva_h ID3D11VideoDecoder ID3D11VideoContext"
+dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode ole32 user32"
+ffnvcodec_deps_any="libdl LoadLibrary"
+nvdec_deps="ffnvcodec"
+videotoolbox_hwaccel_deps="videotoolbox pthreads"
+videotoolbox_hwaccel_extralibs="-framework QuartzCore"
+xvmc_deps="X11_extensions_XvMClib_h"
 
 h263_vaapi_hwaccel_deps="vaapi"
 h263_vaapi_hwaccel_select="h263_decoder"
-h264_cuvid_hwaccel_deps="cuvid CUVIDH264PICPARAMS"
-h264_cuvid_hwaccel_select="h264_decoder"
+h263_videotoolbox_hwaccel_deps="videotoolbox"
+h263_videotoolbox_hwaccel_select="h263_decoder"
 h264_d3d11va_hwaccel_deps="d3d11va"
 h264_d3d11va_hwaccel_select="h264_decoder"
 h264_d3d11va2_hwaccel_deps="d3d11va"
 h264_d3d11va2_hwaccel_select="h264_decoder"
 h264_dxva2_hwaccel_deps="dxva2"
 h264_dxva2_hwaccel_select="h264_decoder"
+h264_nvdec_hwaccel_deps="nvdec"
+h264_nvdec_hwaccel_select="h264_decoder"
 h264_vaapi_hwaccel_deps="vaapi"
 h264_vaapi_hwaccel_select="h264_decoder"
-h264_vda_hwaccel_deps="vda"
-h264_vda_hwaccel_select="h264_decoder"
-h264_vda_old_hwaccel_deps="vda"
-h264_vda_old_hwaccel_select="h264_decoder"
 h264_vdpau_hwaccel_deps="vdpau"
 h264_vdpau_hwaccel_select="h264_decoder"
-hevc_cuvid_hwaccel_deps="cuvid CUVIDHEVCPICPARAMS"
-hevc_cuvid_hwaccel_select="hevc_decoder"
+h264_videotoolbox_hwaccel_deps="videotoolbox"
+h264_videotoolbox_hwaccel_select="h264_decoder"
 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
 hevc_d3d11va_hwaccel_select="hevc_decoder"
 hevc_d3d11va2_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
 hevc_d3d11va2_hwaccel_select="hevc_decoder"
 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
 hevc_dxva2_hwaccel_select="hevc_decoder"
+hevc_nvdec_hwaccel_deps="nvdec"
+hevc_nvdec_hwaccel_select="hevc_decoder"
 hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC"
 hevc_vaapi_hwaccel_select="hevc_decoder"
 hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"
 hevc_vdpau_hwaccel_select="hevc_decoder"
+hevc_videotoolbox_hwaccel_deps="videotoolbox"
+hevc_videotoolbox_hwaccel_select="hevc_decoder"
+mjpeg_nvdec_hwaccel_deps="nvdec"
+mjpeg_nvdec_hwaccel_select="mjpeg_decoder"
+mjpeg_vaapi_hwaccel_deps="vaapi"
+mjpeg_vaapi_hwaccel_select="mjpeg_decoder"
+mpeg_xvmc_hwaccel_deps="xvmc"
+mpeg_xvmc_hwaccel_select="mpeg2video_decoder"
+mpeg1_nvdec_hwaccel_deps="nvdec"
+mpeg1_nvdec_hwaccel_select="mpeg1video_decoder"
 mpeg1_vdpau_hwaccel_deps="vdpau"
 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
+mpeg1_videotoolbox_hwaccel_deps="videotoolbox"
+mpeg1_videotoolbox_hwaccel_select="mpeg1video_decoder"
+mpeg1_xvmc_hwaccel_deps="xvmc"
+mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"
 mpeg2_d3d11va_hwaccel_deps="d3d11va"
 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
 mpeg2_d3d11va2_hwaccel_deps="d3d11va"
 mpeg2_d3d11va2_hwaccel_select="mpeg2video_decoder"
 mpeg2_dxva2_hwaccel_deps="dxva2"
 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
+mpeg2_nvdec_hwaccel_deps="nvdec"
+mpeg2_nvdec_hwaccel_select="mpeg2video_decoder"
 mpeg2_vaapi_hwaccel_deps="vaapi"
 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
 mpeg2_vdpau_hwaccel_deps="vdpau"
 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
+mpeg2_videotoolbox_hwaccel_deps="videotoolbox"
+mpeg2_videotoolbox_hwaccel_select="mpeg2video_decoder"
+mpeg2_xvmc_hwaccel_deps="xvmc"
+mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"
+mpeg4_nvdec_hwaccel_deps="nvdec"
+mpeg4_nvdec_hwaccel_select="mpeg4_decoder"
 mpeg4_vaapi_hwaccel_deps="vaapi"
 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
 mpeg4_vdpau_hwaccel_deps="vdpau"
 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
+mpeg4_videotoolbox_hwaccel_deps="videotoolbox"
+mpeg4_videotoolbox_hwaccel_select="mpeg4_decoder"
 vc1_d3d11va_hwaccel_deps="d3d11va"
 vc1_d3d11va_hwaccel_select="vc1_decoder"
 vc1_d3d11va2_hwaccel_deps="d3d11va"
 vc1_d3d11va2_hwaccel_select="vc1_decoder"
 vc1_dxva2_hwaccel_deps="dxva2"
 vc1_dxva2_hwaccel_select="vc1_decoder"
+vc1_nvdec_hwaccel_deps="nvdec"
+vc1_nvdec_hwaccel_select="vc1_decoder"
 vc1_vaapi_hwaccel_deps="vaapi"
 vc1_vaapi_hwaccel_select="vc1_decoder"
 vc1_vdpau_hwaccel_deps="vdpau"
 vc1_vdpau_hwaccel_select="vc1_decoder"
+vp8_nvdec_hwaccel_deps="nvdec"
+vp8_nvdec_hwaccel_select="vp8_decoder"
 vp8_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferVP8"
 vp8_vaapi_hwaccel_select="vp8_decoder"
+vp9_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_VP9"
+vp9_d3d11va_hwaccel_select="vp9_decoder"
+vp9_d3d11va2_hwaccel_deps="d3d11va DXVA_PicParams_VP9"
+vp9_d3d11va2_hwaccel_select="vp9_decoder"
+vp9_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_VP9"
+vp9_dxva2_hwaccel_select="vp9_decoder"
+vp9_nvdec_hwaccel_deps="nvdec"
+vp9_nvdec_hwaccel_select="vp9_decoder"
+vp9_vaapi_hwaccel_deps="vaapi VADecPictureParameterBufferVP9_bit_depth"
+vp9_vaapi_hwaccel_select="vp9_decoder"
 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
 wmv3_d3d11va2_hwaccel_select="vc1_d3d11va2_hwaccel"
 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
+wmv3_nvdec_hwaccel_select="vc1_nvdec_hwaccel"
 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
 
 # hardware-accelerated codecs
-amf_deps_any="libdl LoadLibrary"
-nvenc_deps_any="libdl LoadLibrary"
 omx_deps="libdl pthreads"
 omx_rpi_select="omx"
 qsv_deps="libmfx"
@@ -2306,44 +2917,97 @@ qsvdec_select="qsv"
 qsvenc_select="qsv"
 qsvvpp_select="qsv"
 vaapi_encode_deps="vaapi"
+v4l2_m2m_deps="linux_videodev2_h sem_timedwait"
 
-hwupload_cuda_filter_deps="cuda"
-scale_npp_filter_deps="cuda libnpp"
+hwupload_cuda_filter_deps="ffnvcodec"
+scale_npp_filter_deps="ffnvcodec libnpp"
+scale_cuda_filter_deps="cuda_sdk"
+thumbnail_cuda_filter_deps="cuda_sdk"
 
+amf_deps_any="libdl LoadLibrary"
+nvenc_deps="ffnvcodec"
+nvenc_deps_any="libdl LoadLibrary"
+nvenc_encoder_deps="nvenc"
+
+h263_v4l2m2m_decoder_deps="v4l2_m2m h263_v4l2_m2m"
+h263_v4l2m2m_encoder_deps="v4l2_m2m h263_v4l2_m2m"
 h264_amf_encoder_deps="amf"
+h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
+h264_cuvid_decoder_deps="cuvid"
+h264_cuvid_decoder_select="h264_mp4toannexb_bsf"
+h264_mediacodec_decoder_deps="mediacodec"
+h264_mediacodec_decoder_select="h264_mp4toannexb_bsf h264_parser"
 h264_mmal_decoder_deps="mmal"
 h264_nvenc_encoder_deps="nvenc"
 h264_omx_encoder_deps="omx"
 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec"
 h264_qsv_encoder_select="qsvenc"
+h264_rkmpp_decoder_deps="rkmpp"
+h264_rkmpp_decoder_select="h264_mp4toannexb_bsf"
 h264_vaapi_encoder_deps="VAEncPictureParameterBufferH264"
 h264_vaapi_encoder_select="cbs_h264 vaapi_encode"
+h264_v4l2m2m_decoder_deps="v4l2_m2m h264_v4l2_m2m"
+h264_v4l2m2m_encoder_deps="v4l2_m2m h264_v4l2_m2m"
 hevc_amf_encoder_deps="amf"
+hevc_cuvid_decoder_deps="cuvid"
+hevc_cuvid_decoder_select="hevc_mp4toannexb_bsf"
+hevc_mediacodec_decoder_deps="mediacodec"
+hevc_mediacodec_decoder_select="hevc_mp4toannexb_bsf hevc_parser"
 hevc_nvenc_encoder_deps="nvenc"
 hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec"
 hevc_qsv_encoder_select="hevcparse qsvenc"
+hevc_rkmpp_decoder_deps="rkmpp"
+hevc_rkmpp_decoder_select="hevc_mp4toannexb_bsf"
 hevc_vaapi_encoder_deps="VAEncPictureParameterBufferHEVC"
 hevc_vaapi_encoder_select="cbs_h265 vaapi_encode"
+hevc_v4l2m2m_decoder_deps="v4l2_m2m hevc_v4l2_m2m"
+hevc_v4l2m2m_encoder_deps="v4l2_m2m hevc_v4l2_m2m"
+mjpeg_cuvid_decoder_deps="cuvid"
 mjpeg_qsv_encoder_deps="libmfx"
 mjpeg_qsv_encoder_select="qsvenc"
 mjpeg_vaapi_encoder_deps="VAEncPictureParameterBufferJPEG"
 mjpeg_vaapi_encoder_select="vaapi_encode jpegtables"
+mpeg1_cuvid_decoder_deps="cuvid"
+mpeg1_v4l2m2m_decoder_deps="v4l2_m2m mpeg1_v4l2_m2m"
+mpeg2_crystalhd_decoder_select="crystalhd"
+mpeg2_cuvid_decoder_deps="cuvid"
 mpeg2_mmal_decoder_deps="mmal"
+mpeg2_mediacodec_decoder_deps="mediacodec"
 mpeg2_qsv_decoder_select="qsvdec mpegvideo_parser"
 mpeg2_qsv_encoder_select="qsvenc"
 mpeg2_vaapi_encoder_deps="VAEncPictureParameterBufferMPEG2"
 mpeg2_vaapi_encoder_select="cbs_mpeg2 vaapi_encode"
+mpeg2_v4l2m2m_decoder_deps="v4l2_m2m mpeg2_v4l2_m2m"
+mpeg4_crystalhd_decoder_select="crystalhd"
+mpeg4_cuvid_decoder_deps="cuvid"
+mpeg4_mediacodec_decoder_deps="mediacodec"
+mpeg4_mmal_decoder_deps="mmal"
 mpeg4_omx_encoder_deps="omx"
+mpeg4_v4l2m2m_decoder_deps="v4l2_m2m mpeg4_v4l2_m2m"
+mpeg4_v4l2m2m_encoder_deps="v4l2_m2m mpeg4_v4l2_m2m"
+msmpeg4_crystalhd_decoder_select="crystalhd"
+nvenc_h264_encoder_select="h264_nvenc_encoder"
+nvenc_hevc_encoder_select="hevc_nvenc_encoder"
+vc1_crystalhd_decoder_select="crystalhd"
+vc1_cuvid_decoder_deps="cuvid"
 vc1_mmal_decoder_deps="mmal"
 vc1_qsv_decoder_select="qsvdec vc1_parser"
+vc1_v4l2m2m_decoder_deps="v4l2_m2m vc1_v4l2_m2m"
+vp8_cuvid_decoder_deps="cuvid"
+vp8_mediacodec_decoder_deps="mediacodec"
 vp8_qsv_decoder_select="qsvdec vp8_parser"
+vp8_rkmpp_decoder_deps="rkmpp"
 vp8_vaapi_encoder_deps="VAEncPictureParameterBufferVP8"
 vp8_vaapi_encoder_select="vaapi_encode"
+vp8_v4l2m2m_decoder_deps="v4l2_m2m vp8_v4l2_m2m"
+vp8_v4l2m2m_encoder_deps="v4l2_m2m vp8_v4l2_m2m"
+vp9_cuvid_decoder_deps="cuvid"
+vp9_mediacodec_decoder_deps="mediacodec"
+vp9_rkmpp_decoder_deps="rkmpp"
 vp9_vaapi_encoder_deps="VAEncPictureParameterBufferVP9"
 vp9_vaapi_encoder_select="vaapi_encode"
-
-nvenc_h264_encoder_select="h264_nvenc_encoder"
-nvenc_hevc_encoder_select="hevc_nvenc_encoder"
+vp9_v4l2m2m_decoder_deps="v4l2_m2m vp9_v4l2_m2m"
+wmv3_crystalhd_decoder_select="crystalhd"
 
 # parsers
 aac_parser_select="adts_header"
@@ -2351,31 +3015,73 @@ h264_parser_select="golomb h264dsp h264parse"
 hevc_parser_select="hevcparse"
 mpegaudio_parser_select="mpegaudioheader"
 mpegvideo_parser_select="mpegvideo"
-mpeg4video_parser_select="error_resilience h263dsp mpegvideo qpeldsp"
+mpeg4video_parser_select="h263dsp mpegvideo qpeldsp"
 vc1_parser_select="vc1dsp"
 
 # bitstream_filters
 aac_adtstoasc_bsf_select="adts_header"
+eac3_core_bsf_select="ac3_parser"
+filter_units_bsf_select="cbs"
+h264_metadata_bsf_deps="const_nan"
 h264_metadata_bsf_select="cbs_h264"
 h264_redundant_pps_bsf_select="cbs_h264"
 hevc_metadata_bsf_select="cbs_h265"
 mjpeg2jpeg_bsf_select="jpegtables"
 mpeg2_metadata_bsf_select="cbs_mpeg2"
-trace_headers_bsf_select="cbs_h264 cbs_h265 cbs_mpeg2"
+trace_headers_bsf_select="cbs"
+vp9_metadata_bsf_select="cbs_vp9"
 
 # external libraries
-avisynth_deps="LoadLibrary"
-avxsynth_deps="libdl"
-avisynth_demuxer_deps_any="avisynth avxsynth"
+aac_at_decoder_deps="audiotoolbox"
+aac_at_decoder_select="aac_adtstoasc_bsf"
+ac3_at_decoder_deps="audiotoolbox"
+ac3_at_decoder_select="ac3_parser"
+adpcm_ima_qt_at_decoder_deps="audiotoolbox"
+alac_at_decoder_deps="audiotoolbox"
+amr_nb_at_decoder_deps="audiotoolbox"
+avisynth_deps_any="libdl LoadLibrary"
+avisynth_demuxer_deps="avisynth"
 avisynth_demuxer_select="riffdec"
+eac3_at_decoder_deps="audiotoolbox"
+eac3_at_decoder_select="ac3_parser"
+gsm_ms_at_decoder_deps="audiotoolbox"
+ilbc_at_decoder_deps="audiotoolbox"
+mp1_at_decoder_deps="audiotoolbox"
+mp2_at_decoder_deps="audiotoolbox"
+mp3_at_decoder_deps="audiotoolbox"
+mp1_at_decoder_select="mpegaudioheader"
+mp2_at_decoder_select="mpegaudioheader"
+mp3_at_decoder_select="mpegaudioheader"
+pcm_alaw_at_decoder_deps="audiotoolbox"
+pcm_mulaw_at_decoder_deps="audiotoolbox"
+qdmc_at_decoder_deps="audiotoolbox"
+qdm2_at_decoder_deps="audiotoolbox"
+aac_at_encoder_deps="audiotoolbox"
+aac_at_encoder_select="audio_frame_queue"
+alac_at_encoder_deps="audiotoolbox"
+alac_at_encoder_select="audio_frame_queue"
+ilbc_at_encoder_deps="audiotoolbox"
+ilbc_at_encoder_select="audio_frame_queue"
+pcm_alaw_at_encoder_deps="audiotoolbox"
+pcm_alaw_at_encoder_select="audio_frame_queue"
+pcm_mulaw_at_encoder_deps="audiotoolbox"
+pcm_mulaw_at_encoder_select="audio_frame_queue"
+chromaprint_muxer_deps="chromaprint"
+h264_videotoolbox_encoder_deps="pthreads"
+h264_videotoolbox_encoder_select="videotoolbox_encoder"
+hevc_videotoolbox_encoder_deps="pthreads"
+hevc_videotoolbox_encoder_select="videotoolbox_encoder"
 libaom_av1_decoder_deps="libaom"
 libaom_av1_encoder_deps="libaom"
-libdcadec_decoder_deps="libdcadec"
-libfaac_encoder_deps="libfaac"
-libfaac_encoder_select="audio_frame_queue"
+libaom_av1_encoder_select="extract_extradata_bsf"
+libcelt_decoder_deps="libcelt"
+libcodec2_decoder_deps="libcodec2"
+libcodec2_encoder_deps="libcodec2"
+libdavs2_decoder_deps="libdavs2"
 libfdk_aac_decoder_deps="libfdk_aac"
 libfdk_aac_encoder_deps="libfdk_aac"
 libfdk_aac_encoder_select="audio_frame_queue"
+libgme_demuxer_deps="libgme"
 libgsm_decoder_deps="libgsm"
 libgsm_encoder_deps="libgsm"
 libgsm_ms_decoder_deps="libgsm"
@@ -2383,6 +3089,7 @@ libgsm_ms_encoder_deps="libgsm"
 libilbc_decoder_deps="libilbc"
 libilbc_encoder_deps="libilbc"
 libkvazaar_encoder_deps="libkvazaar"
+libmodplug_demuxer_deps="libmodplug"
 libmp3lame_encoder_deps="libmp3lame"
 libmp3lame_encoder_select="audio_frame_queue mpegaudioheader"
 libopencore_amrnb_decoder_deps="libopencore_amrnb"
@@ -2394,20 +3101,21 @@ libopenh264_decoder_select="h264_mp4toannexb_bsf"
 libopenh264_encoder_deps="libopenh264"
 libopenjpeg_decoder_deps="libopenjpeg"
 libopenjpeg_encoder_deps="libopenjpeg"
+libopenmpt_demuxer_deps="libopenmpt"
 libopus_decoder_deps="libopus"
 libopus_encoder_deps="libopus"
 libopus_encoder_select="audio_frame_queue"
-libschroedinger_decoder_deps="libschroedinger"
-libschroedinger_encoder_deps="libschroedinger"
+librsvg_decoder_deps="librsvg"
+libshine_encoder_deps="libshine"
+libshine_encoder_select="audio_frame_queue"
 libspeex_decoder_deps="libspeex"
 libspeex_encoder_deps="libspeex"
 libspeex_encoder_select="audio_frame_queue"
 libtheora_encoder_deps="libtheora"
 libtwolame_encoder_deps="libtwolame"
-libvo_aacenc_encoder_deps="libvo_aacenc"
-libvo_aacenc_encoder_select="audio_frame_queue"
 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
-libvorbis_encoder_deps="libvorbis"
+libvorbis_decoder_deps="libvorbis"
+libvorbis_encoder_deps="libvorbis libvorbisenc"
 libvorbis_encoder_select="audio_frame_queue"
 libvpx_vp8_decoder_deps="libvpx"
 libvpx_vp8_encoder_deps="libvpx"
@@ -2416,30 +3124,48 @@ libvpx_vp9_encoder_deps="libvpx"
 libwavpack_encoder_deps="libwavpack"
 libwavpack_encoder_select="audio_frame_queue"
 libwebp_encoder_deps="libwebp"
+libwebp_anim_encoder_deps="libwebp"
 libx262_encoder_deps="libx262"
 libx264_encoder_deps="libx264"
+libx264rgb_encoder_deps="libx264 x264_csp_bgr"
+libx264rgb_encoder_select="libx264_encoder"
 libx265_encoder_deps="libx265"
 libxavs_encoder_deps="libxavs"
-libxvid_encoder_deps="libxvid mkstemp"
+libxvid_encoder_deps="libxvid"
+libzvbi_teletext_decoder_deps="libzvbi"
+vapoursynth_demuxer_deps="vapoursynth"
+videotoolbox_suggest="coreservices"
+videotoolbox_deps="corefoundation coremedia corevideo"
+videotoolbox_encoder_deps="videotoolbox VTCompressionSessionPrepareToEncodeFrames"
 
 # demuxers / muxers
 ac3_demuxer_select="ac3_parser"
+aiff_muxer_select="iso_media"
 asf_demuxer_select="riffdec"
+asf_o_demuxer_select="riffdec"
 asf_muxer_select="riffenc"
 asf_stream_muxer_select="asf_muxer"
-avi_demuxer_select="iso_media riffdec"
+avi_demuxer_select="iso_media riffdec exif"
 avi_muxer_select="riffenc"
 caf_demuxer_select="iso_media riffdec"
+caf_muxer_select="iso_media"
 dash_muxer_select="mp4_muxer"
+dash_demuxer_deps="libxml2"
 dirac_demuxer_select="dirac_parser"
+dts_demuxer_select="dca_parser"
+dtshd_demuxer_select="dca_parser"
 dv_demuxer_select="dvprofile"
 dv_muxer_select="dvprofile"
 dxa_demuxer_select="riffdec"
 eac3_demuxer_select="ac3_parser"
 f4v_muxer_select="mov_muxer"
+fifo_muxer_deps="threads"
 flac_demuxer_select="flac_parser"
 hds_muxer_select="flv_muxer"
 hls_muxer_select="mpegts_muxer"
+hls_muxer_suggest="gcrypt openssl"
+image2_alias_pix_demuxer_select="image2_demuxer"
+image2_brender_pix_demuxer_select="image2_demuxer"
 ipod_muxer_select="mov_muxer"
 ismv_muxer_select="mov_muxer"
 matroska_audio_muxer_select="matroska_muxer"
@@ -2457,13 +3183,16 @@ mpegts_demuxer_select="iso_media"
 mpegts_muxer_select="adts_muxer latm_muxer"
 mpegtsraw_demuxer_select="mpegts_demuxer"
 mxf_d10_muxer_select="mxf_muxer"
+mxf_opatom_muxer_select="mxf_muxer"
 nut_muxer_select="riffenc"
 nuv_demuxer_select="riffdec"
 oga_muxer_select="ogg_muxer"
 ogg_demuxer_select="dirac_parse"
+ogv_muxer_select="ogg_muxer"
 opus_muxer_select="ogg_muxer"
 psp_muxer_select="mov_muxer"
 rtp_demuxer_select="sdp_demuxer"
+rtp_muxer_select="golomb"
 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol srtp"
 rtsp_demuxer_select="http_protocol rtpdec"
 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
@@ -2478,38 +3207,78 @@ swf_demuxer_suggest="zlib"
 tak_demuxer_select="tak_parser"
 tg2_muxer_select="mov_muxer"
 tgp_muxer_select="mov_muxer"
+vobsub_demuxer_select="mpegps_demuxer"
 w64_demuxer_select="wav_demuxer"
+w64_muxer_select="wav_muxer"
 wav_demuxer_select="riffdec"
 wav_muxer_select="riffenc"
 webm_muxer_select="iso_media riffenc"
+webm_dash_manifest_demuxer_select="matroska_demuxer"
 wtv_demuxer_select="mpegts_demuxer riffdec"
+wtv_muxer_select="mpegts_muxer riffenc"
 xmv_demuxer_select="riffdec"
 xwma_demuxer_select="riffdec"
 
-# indevs
+# indevs / outdevs
+android_camera_indev_deps="android camera2ndk mediandk pthreads"
+android_camera_indev_extralibs="-landroid -lcamera2ndk -lmediandk"
 alsa_indev_deps="alsa"
-avfoundation_indev_deps="AVFoundation_AVFoundation_h objc_arc pthreads"
-avfoundation_indev_extralibs="-framework Foundation -framework AVFoundation -framework CoreVideo -framework CoreMedia"
+alsa_outdev_deps="alsa"
+avfoundation_indev_deps="avfoundation corevideo coremedia pthreads"
+avfoundation_indev_suggest="coregraphics applicationservices"
+avfoundation_indev_extralibs="-framework Foundation"
 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
+caca_outdev_deps="libcaca"
+decklink_deps_any="libdl LoadLibrary"
+decklink_indev_deps="decklink threads"
+decklink_indev_extralibs="-lstdc++"
+decklink_outdev_deps="decklink threads"
+decklink_outdev_extralibs="-lstdc++"
+libndi_newtek_indev_deps="libndi_newtek"
+libndi_newtek_indev_extralibs="-lndi"
+libndi_newtek_outdev_deps="libndi_newtek"
+libndi_newtek_outdev_extralibs="-lndi"
+dshow_indev_deps="IBaseFilter"
+dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"
 fbdev_indev_deps="linux_fb_h"
+fbdev_outdev_deps="linux_fb_h"
+gdigrab_indev_deps="CreateDIBSection"
+gdigrab_indev_extralibs="-lgdi32"
+gdigrab_indev_select="bmp_decoder"
+iec61883_indev_deps="libiec61883"
 jack_indev_deps="libjack"
 jack_indev_deps_any="sem_timedwait dispatch_dispatch_h"
+kmsgrab_indev_deps="libdrm"
+lavfi_indev_deps="avfilter"
 libcdio_indev_deps="libcdio"
 libdc1394_indev_deps="libdc1394"
+openal_indev_deps="openal"
+opengl_outdev_deps="opengl"
 oss_indev_deps_any="sys_soundcard_h"
+oss_outdev_deps_any="sys_soundcard_h"
 pulse_indev_deps="libpulse"
+pulse_outdev_deps="libpulse"
+sdl2_outdev_deps="sdl2"
 sndio_indev_deps="sndio"
+sndio_outdev_deps="sndio"
 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
+v4l2_indev_suggest="libv4l2"
+v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
+v4l2_outdev_suggest="libv4l2"
 vfwcap_indev_deps="vfw32 vfwcap_defines"
-xcbgrab_indev_deps="libxcb libxcb_shape"
-xcbgrab_indev_suggest="libxcb_shm libxcb_xfixes"
+xcbgrab_indev_deps="libxcb"
+xcbgrab_indev_suggest="libxcb_shm libxcb_shape libxcb_xfixes"
+xv_outdev_deps="xlib"
 
 # protocols
+async_protocol_deps="threads"
+bluray_protocol_deps="libbluray"
 ffrtmpcrypt_protocol_conflict="librtmp_protocol"
-ffrtmpcrypt_protocol_deps_any="gmp openssl"
+ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl mbedtls"
 ffrtmpcrypt_protocol_select="tcp_protocol"
 ffrtmphttp_protocol_conflict="librtmp_protocol"
 ffrtmphttp_protocol_select="http_protocol"
+ftp_protocol_select="tcp_protocol"
 gopher_protocol_select="network"
 http_protocol_select="tcp_protocol"
 http_protocol_suggest="zlib"
@@ -2535,13 +3304,16 @@ rtmpte_protocol_suggest="zlib"
 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
 rtmpts_protocol_suggest="zlib"
 rtp_protocol_select="udp_protocol"
-sctp_protocol_deps="struct_sctp_event_subscribe"
+schannel_conflict="openssl gnutls libtls mbedtls"
+sctp_protocol_deps="struct_sctp_event_subscribe struct_msghdr_msg_flags"
 sctp_protocol_select="network"
+securetransport_conflict="openssl gnutls libtls mbedtls"
 srtp_protocol_select="rtp_protocol srtp"
 tcp_protocol_select="network"
-tls_protocol_deps_any="gnutls openssl"
+tls_protocol_deps_any="gnutls openssl schannel securetransport libtls mbedtls"
 tls_protocol_select="tcp_protocol"
 udp_protocol_select="network"
+udplite_protocol_select="network"
 unix_protocol_deps="sys_un_h"
 unix_protocol_select="network"
 
@@ -2551,151 +3323,303 @@ librtmpe_protocol_deps="librtmp"
 librtmps_protocol_deps="librtmp"
 librtmpt_protocol_deps="librtmp"
 librtmpte_protocol_deps="librtmp"
+libsmbclient_protocol_deps="libsmbclient gplv3"
 libsrt_protocol_deps="libsrt"
 libsrt_protocol_select="network"
+libssh_protocol_deps="libssh"
+libtls_conflict="openssl gnutls mbedtls"
 
 # filters
-asyncts_filter_deps="avresample"
+afftfilt_filter_deps="avcodec"
+afftfilt_filter_select="fft"
+afir_filter_deps="avcodec"
+afir_filter_select="fft"
+amovie_filter_deps="avcodec avformat"
+aresample_filter_deps="swresample"
+ass_filter_deps="libass"
+atempo_filter_deps="avcodec"
+atempo_filter_select="rdft"
+avgblur_opencl_filter_deps="opencl"
+azmq_filter_deps="libzmq"
 blackframe_filter_deps="gpl"
 boxblur_filter_deps="gpl"
+boxblur_opencl_filter_deps="opencl gpl"
 bs2b_filter_deps="libbs2b"
+colormatrix_filter_deps="gpl"
+convolution_opencl_filter_deps="opencl"
+convolve_filter_deps="avcodec"
+convolve_filter_select="fft"
+coreimage_filter_deps="coreimage appkit"
+coreimage_filter_extralibs="-framework OpenGL"
+coreimagesrc_filter_deps="coreimage appkit"
+coreimagesrc_filter_extralibs="-framework OpenGL"
+cover_rect_filter_deps="avcodec avformat gpl"
 cropdetect_filter_deps="gpl"
+deconvolve_filter_deps="avcodec"
+deconvolve_filter_select="fft"
 deinterlace_qsv_filter_deps="libmfx"
 deinterlace_vaapi_filter_deps="vaapi"
 delogo_filter_deps="gpl"
+denoise_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
+deshake_filter_select="pixelutils"
+dilation_opencl_filter_deps="opencl"
 drawtext_filter_deps="libfreetype"
-drawtext_filter_suggest="libfontconfig"
+drawtext_filter_suggest="libfontconfig libfribidi"
+elbg_filter_deps="avcodec"
+eq_filter_deps="gpl"
+erosion_opencl_filter_deps="opencl"
+fftfilt_filter_deps="avcodec"
+fftfilt_filter_select="rdft"
+fftdnoiz_filter_deps="avcodec"
+fftdnoiz_filter_select="fft"
+find_rect_filter_deps="avcodec avformat gpl"
+firequalizer_filter_deps="avcodec"
+firequalizer_filter_select="rdft"
+flite_filter_deps="libflite"
+framerate_filter_select="pixelutils"
 frei0r_filter_deps="frei0r libdl"
 frei0r_src_filter_deps="frei0r libdl"
-hdcd_filter_deps="libhdcd"
+fspp_filter_deps="gpl"
+geq_filter_deps="gpl"
+histeq_filter_deps="gpl"
 hqdn3d_filter_deps="gpl"
 interlace_filter_deps="gpl"
+kerndeint_filter_deps="gpl"
+ladspa_filter_deps="ladspa libdl"
+lensfun_filter_deps="liblensfun version3"
+lv2_filter_deps="lv2"
+mcdeint_filter_deps="avcodec gpl"
 movie_filter_deps="avcodec avformat"
+mpdecimate_filter_deps="gpl"
+mpdecimate_filter_select="pixelutils"
+mptestsrc_filter_deps="gpl"
+negate_filter_deps="lut_filter"
+nnedi_filter_deps="gpl"
+ocr_filter_deps="libtesseract"
 ocv_filter_deps="libopencv"
+openclsrc_filter_deps="opencl"
+overlay_opencl_filter_deps="opencl"
 overlay_qsv_filter_deps="libmfx"
 overlay_qsv_filter_select="qsvvpp"
+owdenoise_filter_deps="gpl"
+pan_filter_deps="swresample"
+perspective_filter_deps="gpl"
+phase_filter_deps="gpl"
+pp7_filter_deps="gpl"
+pp_filter_deps="gpl postproc"
+prewitt_opencl_filter_deps="opencl"
+procamp_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
+program_opencl_filter_deps="opencl"
+pullup_filter_deps="gpl"
+removelogo_filter_deps="avcodec avformat swscale"
+repeatfields_filter_deps="gpl"
 resample_filter_deps="avresample"
+roberts_opencl_filter_deps="opencl"
+rubberband_filter_deps="librubberband"
+sab_filter_deps="gpl swscale"
+scale2ref_filter_deps="swscale"
 scale_filter_deps="swscale"
 scale_qsv_filter_deps="libmfx"
+select_filter_select="pixelutils"
+sharpness_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
+showcqt_filter_deps="avcodec avformat swscale"
+showcqt_filter_suggest="libfontconfig libfreetype"
+showcqt_filter_select="fft"
+showfreqs_filter_deps="avcodec"
+showfreqs_filter_select="fft"
+showspectrum_filter_deps="avcodec"
+showspectrum_filter_select="fft"
+showspectrumpic_filter_deps="avcodec"
+showspectrumpic_filter_select="fft"
+signature_filter_deps="gpl avcodec avformat"
+smartblur_filter_deps="gpl swscale"
+sobel_opencl_filter_deps="opencl"
+sofalizer_filter_deps="libmysofa avcodec"
+sofalizer_filter_select="fft"
+spectrumsynth_filter_deps="avcodec"
+spectrumsynth_filter_select="fft"
+spp_filter_deps="gpl avcodec"
+spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"
+sr_filter_deps="avformat swscale"
+sr_filter_select="dnn"
+stereo3d_filter_deps="gpl"
+subtitles_filter_deps="avformat avcodec libass"
+super2xsai_filter_deps="gpl"
+pixfmts_super2xsai_test_deps="super2xsai_filter"
+tinterlace_filter_deps="gpl"
+tinterlace_merge_test_deps="tinterlace_filter"
+tinterlace_pad_test_deps="tinterlace_filter"
+tonemap_filter_deps="const_nan"
+tonemap_opencl_filter_deps="opencl const_nan"
+unsharp_opencl_filter_deps="opencl"
+uspp_filter_deps="gpl avcodec"
+vaguedenoiser_filter_deps="gpl"
+vidstabdetect_filter_deps="libvidstab"
+vidstabtransform_filter_deps="libvidstab"
+libvmaf_filter_deps="libvmaf pthreads"
+zmq_filter_deps="libzmq"
+zoompan_filter_deps="swscale"
+zscale_filter_deps="libzimg const_nan"
 scale_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
 vpp_qsv_filter_deps="libmfx"
 vpp_qsv_filter_select="qsvvpp"
 
 # examples
+avio_dir_cmd_deps="avformat avutil"
+avio_reading_deps="avformat avcodec avutil"
 decode_audio_example_deps="avcodec avutil"
 decode_video_example_deps="avcodec avutil"
+demuxing_decoding_example_deps="avcodec avformat avutil"
 encode_audio_example_deps="avcodec avutil"
 encode_video_example_deps="avcodec avutil"
+extract_mvs_example_deps="avcodec avformat avutil"
 filter_audio_example_deps="avfilter avutil"
+filtering_audio_example_deps="avfilter avcodec avformat avutil"
+filtering_video_example_deps="avfilter avcodec avformat avutil"
+http_multiclient_example_deps="avformat avutil fork"
+hw_decode_example_deps="avcodec avformat avutil"
 metadata_example_deps="avformat avutil"
-output_example_deps="avcodec avformat avresample avutil swscale"
+muxing_example_deps="avcodec avformat avutil swscale"
 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder"
-transcode_aac_example_deps="avcodec avformat avresample"
+remuxing_example_deps="avcodec avformat avutil"
+resampling_audio_example_deps="avutil swresample"
+scaling_video_example_deps="avutil swscale"
+transcode_aac_example_deps="avcodec avformat swresample"
+transcoding_example_deps="avfilter avcodec avformat avutil"
+vaapi_encode_example_deps="avcodec avutil h264_vaapi_encoder"
+vaapi_transcode_example_deps="avcodec avformat avutil h264_vaapi_encoder"
 
 # EXTRALIBS_LIST
 cpu_init_extralibs="pthreads_extralibs"
 cws2fws_extralibs="zlib_extralibs"
 
-# libraries, in linking order
+# libraries, in any order
 avcodec_deps="avutil"
+avcodec_suggest="libm"
 avcodec_select="null_bsf"
 avdevice_deps="avformat avcodec avutil"
+avdevice_suggest="libm"
 avfilter_deps="avutil"
+avfilter_suggest="libm"
 avformat_deps="avcodec avutil"
-avformat_suggest="network"
+avformat_suggest="libm network zlib"
 avresample_deps="avutil"
+avresample_suggest="libm"
+avutil_suggest="clock_gettime ffnvcodec libm libdrm libmfx opencl user32 vaapi videotoolbox corefoundation corevideo coremedia bcrypt"
+postproc_deps="avutil gpl"
+postproc_suggest="libm"
+swresample_deps="avutil"
+swresample_suggest="libm libsoxr"
 swscale_deps="avutil"
+swscale_suggest="libm"
 
-avcodec_extralibs="pthreads_extralibs libm_extralibs"
-avdevice_extralibs="libm_extralibs"
-avformat_extralibs="libm_extralibs"
-avfilter_extralibs="pthreads_extralibs libm_extralibs"
-avresample_extralibs="libm_extralibs"
-avutil_extralibs="bcrypt_extralibs clock_gettime_extralibs cuda_extralibs cuvid_extralibs d3d11va_extralibs libm_extralibs libmfx_extralibs nanosleep_extralibs pthreads_extralibs user32_extralibs vaapi_extralibs vaapi_drm_extralibs vaapi_x11_extralibs vdpau_x11_extralibs"
-swscale_extralibs="libm_extralibs"
+avcodec_extralibs="pthreads_extralibs iconv_extralibs"
+avfilter_extralibs="pthreads_extralibs"
+avutil_extralibs="d3d11va_extralibs nanosleep_extralibs pthreads_extralibs vaapi_drm_extralibs vaapi_x11_extralibs vdpau_x11_extralibs"
 
 # programs
-avconv_deps="avcodec avfilter avformat avresample swscale"
-avconv_select="aformat_filter anull_filter asyncts_filter atrim_filter format_filter
-               fps_filter null_filter resample_filter scale_filter
+ffmpeg_deps="avcodec avfilter avformat"
+ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
+               null_filter
                trim_filter"
-avconv_suggest="psapi shell32"
-avplay_deps="avcodec avfilter avformat avresample sdl"
-avplay_select="rdft format_filter transpose_filter hflip_filter vflip_filter"
-avplay_suggest="shell32"
-avprobe_deps="avcodec avformat"
-avprobe_suggest="shell32"
+ffmpeg_suggest="ole32 psapi shell32"
+ffplay_deps="avcodec avformat swscale swresample sdl2"
+ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"
+ffplay_suggest="shell32"
+ffprobe_deps="avcodec avformat"
+ffprobe_suggest="shell32"
 
 # documentation
-pod2man_deps="doc"
-texi2html_deps="doc"
+podpages_deps="perl"
+manpages_deps="perl pod2man"
+htmlpages_deps="perl"
+htmlpages_deps_any="makeinfo_html texi2html"
+txtpages_deps="perl makeinfo"
+doc_deps_any="manpages htmlpages podpages txtpages"
 
 # default parameters
 
-logfile="avbuild/config.log"
+logfile="ffbuild/config.log"
 
 # installation paths
 prefix_default="/usr/local"
 bindir_default='${prefix}/bin'
-datadir_default='${prefix}/share/avconv'
-docdir_default='${prefix}/share/doc/libav'
+datadir_default='${prefix}/share/ffmpeg'
+docdir_default='${prefix}/share/doc/ffmpeg'
 incdir_default='${prefix}/include'
 libdir_default='${prefix}/lib'
 mandir_default='${prefix}/share/man'
-shlibdir_default="$libdir_default"
 
 # toolchain
 ar_default="ar"
 cc_default="gcc"
+cxx_default="g++"
 host_cc_default="gcc"
-x86asmexe_default="nasm"
-ln_s="ln -s -f"
+doxygen_default="doxygen"
+install="install"
+ln_s_default="ln -s -f"
 nm_default="nm -g"
 pkg_config_default=pkg-config
-ranlib="ranlib"
-strip="strip"
+ranlib_default="ranlib"
+strip_default="strip"
 version_script='--version-script'
 objformat="elf32"
-
-# machine
-arch_default=$(uname -m)
-cpu="generic"
-intrinsics="none"
+x86asmexe_default="nasm"
+windres_default="windres"
+nvcc_default="nvcc"
+nvccflags_default="-gencode arch=compute_30,code=sm_30 -O2"
+striptype="direct"
 
 # OS
 target_os_default=$(tolower $(uname -s))
 host_os=$target_os_default
 
+# machine
+if test "$target_os_default" = aix; then
+    arch_default=$(uname -p)
+    strip_default="strip -X32_64"
+else
+    arch_default=$(uname -m)
+fi
+cpu="generic"
+intrinsics="none"
+
 # configurable options
-enable $EXAMPLE_LIST $LIBRARY_LIST $PROGRAM_LIST
+enable $PROGRAM_LIST
+enable $DOCUMENT_LIST
+enable $EXAMPLE_LIST
+enable $(filter_out avresample $LIBRARY_LIST)
+enable stripping
 
 enable asm
 enable debug
 enable doc
 enable faan faandct faanidct
 enable optimizations
+enable runtime_cpudetect
 enable safe_bitstream_reader
 enable static
 enable swscale_alpha
 enable valgrind_backtrace
 
-# By default, enable only those hwaccels that have no external dependencies.
-enable d3d11va dxva2 vda vdpau
+sws_max_filter_size_default=256
+set_default sws_max_filter_size
 
 # internal components are enabled by default
 enable $EXTRALIBS_LIST
 
 # Avoid external, non-system, libraries getting enabled by dependency resolution
-disable $EXTERNAL_LIBRARY_LIST
+disable $EXTERNAL_LIBRARY_LIST $HWACCEL_LIBRARY_LIST
 
 # build settings
 SHFLAGS='-shared -Wl,-soname,$$(@F)'
 LIBPREF="lib"
 LIBSUF=".a"
-LIBNAME='$(LIBPREF)$(NAME)$(LIBSUF)'
+FULLNAME='$(NAME)$(BUILDSUF)'
+LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
 SLIBPREF="lib"
 SLIBSUF=".so"
-SLIBNAME='$(SLIBPREF)$(NAME)$(SLIBSUF)'
+SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
@@ -2712,6 +3636,8 @@ AS_O='-o $@'
 CC_C='-c'
 CC_E='-E -o $@'
 CC_O='-o $@'
+CXX_C='-c'
+CXX_O='-o $@'
 OBJCC_C='-c'
 OBJCC_E='-E -o $@'
 OBJCC_O='-o $@'
@@ -2723,6 +3649,8 @@ HOSTCC_C='-c'
 HOSTCC_E='-E -o $@'
 HOSTCC_O='-o $@'
 HOSTLD_O='-o $@'
+NVCC_C='-c'
+NVCC_O='-o $@'
 
 host_extralibs='-lm'
 host_cflags_filter=echo
@@ -2732,18 +3660,19 @@ target_path='$(CURDIR)'
 
 # since the object filename is not given with the -MM flag, the compiler
 # is only able to print the basename, and we must add the path ourselves
-DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
+DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>/dev/null | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(@F),$(@D)/$(@F)," > $(@:.o=.d)'
 DEPFLAGS='-MM'
 
-mkdir -p avbuild
+mkdir -p ffbuild
 
 # find source path
 if test -f configure; then
     source_path=.
 else
     source_path=$(cd $(dirname "$0"); pwd)
-    echo "$source_path" | grep -q '[[:blank:]]' &&
-        die "Out of tree builds are impossible with whitespace in source path."
+    case "$source_path" in
+        *[[:blank:]]*) die "Out of tree builds are impossible with whitespace in source path." ;;
+    esac
     test -e "$source_path/config.h" &&
         die "Out of tree builds are impossible with config.h in source dir."
 fi
@@ -2752,31 +3681,35 @@ for v in "$@"; do
     r=${v#*=}
     l=${v%"$r"}
     r=$(sh_quote "$r")
-    LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
+    FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
 done
 
-find_things(){
+find_things_extern(){
     thing=$1
     pattern=$2
     file=$source_path/$3
-    sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
+    out=${4:-$thing}
+    sed -n "s/^[^#]*extern.*$pattern *ff_\([^ ]*\)_$thing;/\1_$out/p" "$file"
 }
 
-ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
-DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
-PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
-MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
-DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
-INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
-FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
-
-find_things_extern(){
-    thing=$1
-    pattern=$2
-    file=$source_path/$3
-    sed -n "s/^[^#]*extern.*$pattern *ff_\([^ ]*\)_$thing;/\1_$thing/p" "$file"
+find_filters_extern(){
+    file=$source_path/$1
+    #sed -n "s/^extern AVFilter ff_\([avfsinkrc]\{2,5\}\)_\(\w\+\);/\2_filter/p" $file
+    sed -E -n "s/^extern AVFilter ff_([avfsinkrc]{2,5})_([a-zA-Z0-9_]+);/\2_filter/p" $file
 }
 
+FILTER_LIST=$(find_filters_extern libavfilter/allfilters.c)
+OUTDEV_LIST=$(find_things_extern muxer AVOutputFormat libavdevice/alldevices.c outdev)
+INDEV_LIST=$(find_things_extern demuxer AVInputFormat libavdevice/alldevices.c indev)
+MUXER_LIST=$(find_things_extern muxer AVOutputFormat libavformat/allformats.c)
+DEMUXER_LIST=$(find_things_extern demuxer AVInputFormat libavformat/allformats.c)
+ENCODER_LIST=$(find_things_extern encoder AVCodec libavcodec/allcodecs.c)
+DECODER_LIST=$(find_things_extern decoder AVCodec libavcodec/allcodecs.c)
+CODEC_LIST="
+    $ENCODER_LIST
+    $DECODER_LIST
+"
+PARSER_LIST=$(find_things_extern parser AVCodecParser libavcodec/parsers.c)
 BSF_LIST=$(find_things_extern bsf AVBitStreamFilter libavcodec/bitstream_filters.c)
 HWACCEL_LIST=$(find_things_extern hwaccel AVHWAccel libavcodec/hwaccels.h)
 PROTOCOL_LIST=$(find_things_extern protocol URLProtocol libavformat/protocols.c)
@@ -2791,6 +3724,7 @@ AVCODEC_COMPONENTS_LIST="
 
 AVDEVICE_COMPONENTS_LIST="
     $INDEV_LIST
+    $OUTDEV_LIST
 "
 
 AVFILTER_COMPONENTS_LIST="
@@ -2824,17 +3758,39 @@ die_unknown(){
     exit 1
 }
 
-print_3_columns() {
-    printf "%-25s %-25s %-25s\n" $(cat | tr ' ' '\n' | sort)
+print_in_columns() {
+    cols=$(expr $ncols / 24)
+    cat | tr ' ' '\n' | sort | pr -r "-$cols" -w $ncols -t
 }
 
 show_list() {
     suffix=_$1
     shift
-    echo $* | sed s/$suffix//g | print_3_columns
+    echo $* | sed s/$suffix//g | print_in_columns
     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
@@ -2847,11 +3803,16 @@ for opt do
         --extra-ldsoflags=*)
             add_ldsoflags $optval
         ;;
+        --extra-ldlibflags=*)
+            warn "The --extra-ldlibflags option is only provided for compatibility and will be\n"\
+                 "removed in the future. Use --extra-ldsoflags instead."
+            add_ldsoflags $optval
+        ;;
         --extra-libs=*)
             add_extralibs $optval
         ;;
         --disable-devices)
-            disable $INDEV_LIST
+            disable $INDEV_LIST $OUTDEV_LIST
         ;;
         --enable-debug=*)
             debuglevel="$optval"
@@ -2865,19 +3826,38 @@ for opt do
         --disable-all)
             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
             disable $LIBRARY_LIST $PROGRAM_LIST doc
+            enable avutil
+        ;;
+        --enable-random|--disable-random)
+            action=${opt%%-random}
+            do_random ${action#--} $COMPONENT_LIST
+        ;;
+        --enable-random=*|--disable-random=*)
+            action=${opt%%-random=*}
+            do_random ${action#--} $optval
+        ;;
+        --enable-sdl)
+            enable sdl2
         ;;
         --enable-*=*|--disable-*=*)
             eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
             is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
             eval list=\$$(toupper $thing)_LIST
             name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
-            $action $(filter "$name" $list)
+            list=$(filter "$name" $list)
+            [ "$list" = "" ] && warn "Option $opt did not match anything"
+            $action $list
         ;;
         --enable-yasm|--disable-yasm)
             warn "The ${opt} option is only provided for compatibility and will be\n"\
                  "removed in the future. Use --enable-x86asm / --disable-x86asm instead."
             test $opt = --enable-yasm && x86asm=yes || x86asm=no
         ;;
+        --yasmexe=*)
+            warn "The --yasmexe option is only provided for compatibility and will be\n"\
+                 "removed in the future. Use --x86asmexe instead."
+            x86asmexe="$optval"
+        ;;
         --enable-?*|--disable-?*)
             eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
             if is_in $option $COMPONENT_LIST; then
@@ -2899,6 +3879,11 @@ for opt do
         ;;
         --quiet|-q) quiet=yes
         ;;
+        --fatal-warnings) enable fatal_warnings
+        ;;
+        --libfuzzer=*)
+            libfuzzer_path="$optval"
+        ;;
         *)
             optname="${opt%%=*}"
             optname="${optname#--}"
@@ -2918,6 +3903,23 @@ for e in $env; do
     eval "export $e"
 done
 
+if disabled autodetect; then
+
+    # Unless iconv is explicitely disabled by the user, we still want to probe
+    # for the iconv from the libc.
+    disabled iconv || enable libc_iconv
+
+    disable_weak $EXTERNAL_AUTODETECT_LIBRARY_LIST
+    disable_weak $HWACCEL_AUTODETECT_LIBRARY_LIST
+fi
+# Mark specifically enabled, but normally autodetected libraries as requested.
+for lib in $AUTODETECT_LIBS; do
+    enabled $lib && request $lib
+done
+#TODO: switch to $AUTODETECT_LIBS when $THREADS_LIST is supported the same way
+enable_weak $EXTERNAL_AUTODETECT_LIBRARY_LIST
+enable_weak $HWACCEL_AUTODETECT_LIBRARY_LIST
+
 disabled logging && logfile=/dev/null
 
 # command line configuration sanity checks
@@ -2933,14 +3935,19 @@ EOF
     exit 1
 fi
 
-# Die early if licensing-related configure options are incompatible.
 die_license_disabled() {
     enabled $1 || { enabled $v && die "$v is $1 and --enable-$1 is not specified."; }
 }
 
-map "die_license_disabled gpl"      $EXTERNAL_LIBRARY_GPL_LIST
-map "die_license_disabled nonfree"  $EXTERNAL_LIBRARY_NONFREE_LIST $HWACCEL_LIBRARY_NONFREE_LIST
-map "die_license_disabled version3" $EXTERNAL_LIBRARY_VERSION3_LIST
+die_license_disabled_gpl() {
+    enabled $1 || { enabled $v && die "$v is incompatible with the gpl and --enable-$1 is not specified."; }
+}
+
+map "die_license_disabled gpl"      $EXTERNAL_LIBRARY_GPL_LIST $EXTERNAL_LIBRARY_GPLV3_LIST
+map "die_license_disabled version3" $EXTERNAL_LIBRARY_VERSION3_LIST $EXTERNAL_LIBRARY_GPLV3_LIST
+
+enabled gpl && map "die_license_disabled_gpl nonfree" $EXTERNAL_LIBRARY_NONFREE_LIST
+map "die_license_disabled nonfree" $HWACCEL_LIBRARY_NONFREE_LIST
 
 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
 
@@ -2959,6 +3966,12 @@ fi
 enabled_all gnutls openssl &&
     die "GnuTLS and OpenSSL must not be enabled at the same time."
 
+enabled_all gnutls mbedtls &&
+    die "GnuTLS and mbedTLS must not be enabled at the same time."
+
+enabled_all openssl mbedtls &&
+    die "OpenSSL and mbedTLS must not be enabled at the same time."
+
 # Disable all the library-specific components if the library itself
 # is disabled, see AVCODEC_LIST and following _LIST variables.
 
@@ -2971,9 +3984,16 @@ disable_components(){
 
 map 'disable_components $v' $LIBRARY_LIST
 
-echo "# $0 $LIBAV_CONFIGURATION" > $logfile
+echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
 set >> $logfile
 
+test -n "$valgrind" && toolchain="valgrind-memcheck"
+
+enabled ossfuzz && ! echo $CFLAGS | grep -q -- "-fsanitize="  && ! echo $CFLAGS | grep -q -- "-fcoverage-mapping" &&{
+    add_cflags  -fsanitize=address,undefined -fsanitize-coverage=trace-pc-guard,trace-cmp -fno-omit-frame-pointer
+    add_ldflags -fsanitize=address,undefined -fsanitize-coverage=trace-pc-guard,trace-cmp
+}
+
 case "$toolchain" in
     *-asan)
         cc_default="${toolchain%-asan}"
@@ -2987,8 +4007,8 @@ case "$toolchain" in
     ;;
     *-tsan)
         cc_default="${toolchain%-tsan}"
-        add_cflags  -fsanitize=thread -fPIE
-        add_ldflags -fsanitize=thread -pie
+        add_cflags  -fsanitize=thread
+        add_ldflags -fsanitize=thread
         case "$toolchain" in
             gcc-tsan)
                 add_cflags  -fPIC
@@ -3000,35 +4020,31 @@ case "$toolchain" in
         cc_default="${toolchain%-usan}"
         add_cflags  -fsanitize=undefined
         add_ldflags -fsanitize=undefined
-        case "$toolchain" in
-            clang-usan)
-                add_cflags -O1
-                ;;
-        esac
     ;;
     valgrind-*)
         target_exec_default="valgrind"
         case "$toolchain" in
             valgrind-massif)
-                target_exec_args="--alloc-fn=av_malloc --alloc-fn=av_mallocz"
+                target_exec_args="--tool=massif --alloc-fn=av_malloc --alloc-fn=av_mallocz --alloc-fn=av_calloc --alloc-fn=av_fast_padded_malloc --alloc-fn=av_fast_malloc --alloc-fn=av_realloc_f --alloc-fn=av_fast_realloc --alloc-fn=av_realloc"
                 ;;
             valgrind-memcheck)
-                target_exec_args="--track-origins=yes --leak-check=full"
+                target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
                 ;;
         esac
     ;;
     msvc)
         # Check whether the current MSVC version needs the C99 converter.
         # From MSVC 2013 (compiler major version 18) onwards, it does actually
-        # support enough of C99 to build libav. Default to the new
+        # support enough of C99 to build ffmpeg. Default to the new
         # behaviour if the regexp was unable to match anything, since this
         # successfully parses the version number of existing supported
         # versions that require the converter (MSVC 2010 and 2012).
         cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
         if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
             cc_default="cl"
+            cxx_default="cl"
         else
-            cc_default="c99wrap cl"
+            die "Unsupported MSVC version (2013 or newer required)"
         fi
         ld_default="$source_path/compat/windows/mslink"
         nm_default="dumpbin -symbols"
@@ -3068,6 +4084,8 @@ case "$toolchain" in
         add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
         add_cflags   -fno-strict-overflow -fstack-protector-all
         add_ldflags  -Wl,-z,relro -Wl,-z,now
+        add_cflags   -fPIE
+        add_ldexeflags -fPIE -pie
     ;;
     ?*)
         die "Unknown toolchain $toolchain"
@@ -3082,22 +4100,36 @@ fi
 
 ar_default="${cross_prefix}${ar_default}"
 cc_default="${cross_prefix}${cc_default}"
-objcc_default="${cross_prefix}${objcc_default}"
-x86asmexe_default="${cross_prefix}${x86asmexe_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="${cross_prefix}${strip}"
+if ${cross_prefix}${ranlib_default} 2>&1 | grep -q "\-D "; then
+    ranlib_default="${cross_prefix}${ranlib_default} -D"
+else
+    ranlib_default="${cross_prefix}${ranlib_default}"
+fi
+strip_default="${cross_prefix}${strip_default}"
+windres_default="${cross_prefix}${windres_default}"
 
 sysinclude_default="${sysroot}/usr/include"
 
-set_default arch cc pkg_config sysinclude target_exec target_os x86asmexe
+set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \
+    target_exec target_os x86asmexe nvcc
 enabled cross_compile || host_cc_default=$cc
 set_default host_cc
 
+pkg_config_fail_message=""
 if ! $pkg_config --version >/dev/null 2>&1; then
     warn "$pkg_config not found, library detection may fail."
     pkg_config=false
+elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then
+    pkg_config_fail_message="
+Note: When building a static binary, add --pkg-config-flags=\"--static\"."
+fi
+
+if test $doxygen != $doxygen_default && \
+  ! $doxygen --version >/dev/null 2>&1; then
+    warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."
 fi
 
 exesuf() {
@@ -3114,7 +4146,13 @@ HOSTEXESUF=$(exesuf $host_os)
 : ${TMPDIR:=$TMP}
 : ${TMPDIR:=/tmp}
 
-if ! test_cmd mktemp -u XXXXXX; then
+if [ -n "$tempprefix" ] ; then
+    mktemp(){
+        tmpname="$tempprefix.${HOSTNAME}.${UID}"
+        echo "$tmpname"
+        mkdir "$tmpname"
+    }
+elif ! test_cmd mktemp -u XXXXXX; then
     # simple replacement for missing mktemp
     # NOT SAFE FOR GENERAL USE
     mktemp(){
@@ -3124,23 +4162,25 @@ if ! test_cmd mktemp -u XXXXXX; then
     }
 fi
 
-AVTMPDIR=$(mktemp -d "${TMPDIR}/avconf.XXXXXXXX" 2> /dev/null) ||
+FFTMPDIR=$(mktemp -d "${TMPDIR}/ffconf.XXXXXXXX" 2> /dev/null) ||
     die "Unable to create temporary directory in $TMPDIR."
 
 tmpfile(){
-    tmp="${AVTMPDIR}/test"$2
+    tmp="${FFTMPDIR}/test"$2
     (set -C; exec > $tmp) 2> /dev/null ||
-        die "Unable to create temporary file in $AVTMPDIR."
+        die "Unable to create temporary file in $FFTMPDIR."
     eval $1=$tmp
 }
 
-trap 'rm -rf -- "$AVTMPDIR"' EXIT
+trap 'rm -rf -- "$FFTMPDIR"' EXIT
 trap 'exit 2' INT
 
 tmpfile TMPASM .asm
 tmpfile TMPC   .c
+tmpfile TMPCPP .cpp
 tmpfile TMPE   $EXESUF
 tmpfile TMPH   .h
+tmpfile TMPM   .m
 tmpfile TMPO   .o
 tmpfile TMPS   .S
 tmpfile TMPSH  .sh
@@ -3206,7 +4246,9 @@ msvc_common_flags(){
             -march=*)             ;;
             -lz)                  echo zlib.lib ;;
             -lx264)               echo libx264.lib ;;
+            -lstdc++)             ;;
             -l*)                  echo ${flag#-l}.lib ;;
+            -LARGEADDRESSAWARE)   echo $flag ;;
             -L*)                  echo -libpath:${flag#-L} ;;
             *)                    echo $flag ;;
         esac
@@ -3222,6 +4264,7 @@ msvc_flags(){
             -Wextra)              echo -W4 -wd4244 -wd4127 -wd4018 -wd4389     \
                                        -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
                                        -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
+                                       -wd4307 \
                                        -wd4273 -wd4554 -wd4701 -wd4703 ;;
         esac
     done
@@ -3235,6 +4278,16 @@ icl_flags(){
             # on Windows, does enable remarks so disable them here.
             -Wall)                echo $flag -Qdiag-disable:remark ;;
             -std=c99)             echo -Qstd=c99 ;;
+            -flto)                echo -ipo ;;
+        esac
+    done
+}
+
+icc_flags(){
+    for flag; do
+        case $flag in
+            -flto)                echo -ipo ;;
+            *)                    echo $flag ;;
         esac
     done
 }
@@ -3256,9 +4309,16 @@ suncc_flags(){
                     prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
                     *-sse3)             echo -xarch=sse3                 ;;
                     core2)              echo -xarch=ssse3 -xchip=core2   ;;
-                    corei7)           echo -xarch=sse4_2 -xchip=nehalem  ;;
-                    corei7-avx)       echo -xarch=avx -xchip=sandybridge ;;
-                    amdfam10|barcelona|bdver*) echo -xarch=sse4_1        ;;
+                    bonnell)                   echo -xarch=ssse3         ;;
+                    corei7|nehalem)            echo -xtarget=nehalem     ;;
+                    westmere)                  echo -xtarget=westmere    ;;
+                    silvermont)                echo -xarch=sse4_2        ;;
+                    corei7-avx|sandybridge)    echo -xtarget=sandybridge ;;
+                    core-avx*|ivybridge|haswell|broadwell|skylake*|knl)
+                                               echo -xarch=avx           ;;
+                    amdfam10|barcelona)        echo -xtarget=barcelona   ;;
+                    btver1)                    echo -xarch=amdsse4a      ;;
+                    btver2|bdver*|znver*)      echo -xarch=avx           ;;
                     athlon-4|athlon-[mx]p)     echo -xarch=ssea          ;;
                     k8|opteron|athlon64|athlon-fx)
                                                echo -xarch=sse2a         ;;
@@ -3279,13 +4339,16 @@ suncc_flags(){
 probe_cc(){
     pfx=$1
     _cc=$2
+    first=$3
 
     unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
     unset _ld_o _ldflags _ld_lib _ld_path
     unset _depflags _DEPCMD _DEPFLAGS
     _flags_filter=echo
 
-    if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
+    if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
+        true # no-op to avoid reading stdin in following checks
+    elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
         _type=llvm_gcc
         gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')
         _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"
@@ -3299,8 +4362,16 @@ probe_cc(){
         gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
         gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
         _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
-        if ! $_cc -dumpversion | grep -q '^2\.'; then
-            _depflags='-MMD -MF $(@:.o=.d) -MT $@'
+        case $gcc_basever in
+            2) ;;
+            2.*) ;;
+            *) _depflags='-MMD -MF $(@:.o=.d) -MT $@' ;;
+        esac
+        if [ "$first" = true ]; then
+            case $gcc_basever in
+                4.2*)
+                warn "gcc 4.2 is outdated and may miscompile FFmpeg. Please use a newer compiler." ;;
+            esac
         fi
         _cflags_speed='-O3'
         _cflags_size='-Os'
@@ -3311,6 +4382,7 @@ probe_cc(){
         _cflags_speed='-O3'
         _cflags_size='-Os'
         _cflags_noopt='-O1'
+        _flags_filter=icc_flags
     elif $_cc -v 2>&1 | grep -q xlc; then
         _type=xlc
         _ident=$($_cc -qversion 2>/dev/null | head -n1)
@@ -3332,12 +4404,12 @@ probe_cc(){
         _depflags='-MMD'
         _cflags_speed='-O3'
         _cflags_size='-Os'
-    elif $_cc -v 2>&1 | grep -q clang; then
+    elif $_cc -v 2>&1 | grep -q clang && ! $_cc -? > /dev/null 2>&1; then
         _type=clang
         _ident=$($_cc --version 2>/dev/null | head -n1)
         _depflags='-MMD -MF $(@:.o=.d) -MT $@'
         _cflags_speed='-O3'
-        _cflags_size='-Os'
+        _cflags_size='-Oz'
     elif $_cc -V 2>&1 | grep -q Sun; then
         _type=suncc
         _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
@@ -3367,25 +4439,6 @@ probe_cc(){
         # 4509: "This form of conditional instruction is deprecated"
         _flags="-nologo -ignore 4509"
         _flags_filter=armasm_flags
-    elif $_cc -nologo- 2>&1 | grep -q Microsoft; then
-        _type=msvc
-        _ident=$($_cc 2>&1 | head -n1)
-        _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
-        _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
-        _cflags_speed="-O2"
-        _cflags_size="-O1"
-        _cflags_noopt="-O1"
-        if $_cc -nologo- 2>&1 | grep -q Linker; then
-            _ld_o='-out:$@'
-        else
-            _ld_o='-Fe$@'
-        fi
-        _cc_o='-Fo$@'
-        _cc_e='-P -Fi$@'
-        _flags_filter=msvc_flags
-        _ld_lib='lib%.a'
-        _ld_path='-libpath:'
-        _flags='-nologo'
     elif $_cc 2>&1 | grep -q Intel; then
         _type=icl
         _ident=$($_cc 2>&1 | head -n1)
@@ -3406,9 +4459,10 @@ probe_cc(){
         _ld_path='-libpath:'
         # -Qdiag-error to make icl error when seeing certain unknown arguments
         _flags='-nologo -Qdiag-error:4044,10157'
-        # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency
+        # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency
         # with MSVC which enables it by default.
-        _cflags='-Qms0 -Qvec- -Qsimd- -GS'
+        _cflags='-Qms0 -Qvec- -Qsimd- -GS -fp:precise'
+        disable stripping
     elif $_cc -? 2>/dev/null | grep -q 'LLVM.*Linker'; then
         # lld can emulate multiple different linkers; in ms link.exe mode,
         # the -? parameter gives the help output which contains an identifyable
@@ -3421,6 +4475,26 @@ probe_cc(){
         _flags_filter=msvc_flags
         _ld_lib='lib%.a'
         _ld_path='-libpath:'
+    elif $_cc -nologo- 2>&1 | grep -q Microsoft || { $_cc -v 2>&1 | grep -q clang && $_cc -? > /dev/null 2>&1; }; then
+        _type=msvc
+        _ident=$($_cc 2>&1 | head -n1 | tr -d '\r')
+        _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
+        _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
+        _cflags_speed="-O2"
+        _cflags_size="-O1"
+        _cflags_noopt="-O1"
+        if $_cc -nologo- 2>&1 | grep -q Linker; then
+            _ld_o='-out:$@'
+        else
+            _ld_o='-Fe$@'
+        fi
+        _cc_o='-Fo$@'
+        _cc_e='-P -Fi$@'
+        _flags_filter=msvc_flags
+        _ld_lib='lib%.a'
+        _ld_path='-libpath:'
+        _flags='-nologo'
+        disable stripping
     elif $_cc --version 2>/dev/null | grep -q ^cparser; then
         _type=cparser
         _ident=$($_cc --version | head -n1)
@@ -3448,7 +4522,7 @@ set_ccvars(){
     fi
 }
 
-probe_cc cc "$cc"
+probe_cc cc "$cc" "true"
 cflags_filter=$_flags_filter
 cflags_speed=$_cflags_speed
 cflags_size=$_cflags_size
@@ -3456,6 +4530,7 @@ cflags_noopt=$_cflags_noopt
 add_cflags $_flags $_cflags
 cc_ldflags=$_ldflags
 set_ccvars CC
+set_ccvars CXX
 
 probe_cc hostcc "$host_cc"
 host_cflags_filter=$_flags_filter
@@ -3471,7 +4546,7 @@ test -n "$cc_type" && enable $cc_type ||
 : ${dep_cc_default:=$cc}
 : ${ld_default:=$cc}
 : ${host_ld_default:=$host_cc}
-set_default ar as objcc dep_cc ld host_ld
+set_default ar as objcc dep_cc ld ln_s host_ld windres
 
 probe_cc as "$as"
 asflags_filter=$_flags_filter
@@ -3506,12 +4581,16 @@ fi
 if $ar 2>&1 | grep -q Microsoft; then
     arflags="-nologo"
     ar_o='-out:$@'
+elif $ar 2>&1 | grep -q "\[D\] "; then
+    arflags="rcD"
+    ar_o='$@'
 else
     arflags="rc"
     ar_o='$@'
 fi
 
 add_cflags $extra_cflags
+add_cxxflags $extra_cxxflags
 add_objcflags $extra_objcflags
 add_asflags $extra_cflags
 
@@ -3540,6 +4619,17 @@ if test "$cpu" = host; then
             }
             cpu=$(check_native -march || check_native -mcpu)
         ;;
+        clang)
+            check_native(){
+                $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
+                sed -n "/cc1.*-target-cpu /{
+                            s/.*-target-cpu \\([^ ]*\\).*/\\1/
+                            p
+                            q
+                        }" $TMPE
+            }
+            cpu=$(check_native -march)
+        ;;
     esac
 
     test "${cpu:-host}" = host &&
@@ -3551,7 +4641,7 @@ case "$arch" in
     aarch64|arm64)
         arch="aarch64"
     ;;
-    arm*)
+    arm*|iPad*|iPhone*)
         arch="arm"
     ;;
     mips*|IP*)
@@ -3579,13 +4669,13 @@ case "$arch" in
     sh4|sh)
         arch="sh4"
     ;;
-    sun4u|sparc*)
+    sun4*|sparc*)
         arch="sparc"
     ;;
     tilegx|tile-gx)
         arch="tilegx"
     ;;
-    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
@@ -3629,6 +4719,7 @@ elif enabled arm; then
         elif check_arm_arch 6J;       then echo armv6j
         elif check_arm_arch 6K;       then echo armv6k
         elif check_arm_arch 6Z;       then echo armv6z
+        elif check_arm_arch 6KZ;      then echo armv6zk
         elif check_arm_arch 6ZK;      then echo armv6zk
         elif check_arm_arch 6T2;      then echo armv6t2
         elif check_arm_arch 7;        then echo armv7
@@ -3664,7 +4755,10 @@ elif enabled arm; then
 
     case "$subarch" in
         armv5t*)    enable fast_clz                ;;
-        armv[6-8]*) enable fast_clz fast_unaligned ;;
+        armv[6-8]*)
+            enable fast_clz
+            disabled fast_unaligned || enable fast_unaligned
+            ;;
     esac
 
 elif enabled avr32; then
@@ -3696,6 +4790,107 @@ elif enabled mips; then
 
     cpuflags="-march=$cpu"
 
+    if [ "$cpu" != "generic" ]; then
+        disable mips32r2
+        disable mips32r5
+        disable mips64r2
+        disable mips32r6
+        disable mips64r6
+        disable loongson2
+        disable loongson3
+
+        case $cpu in
+            24kc|24kf*|24kec|34kc|1004kc|24kef*|34kf*|1004kf*|74kc|74kf)
+                enable mips32r2
+                disable msa
+            ;;
+            p5600|i6400|p6600)
+                disable mipsdsp
+                disable mipsdspr2
+            ;;
+            loongson*)
+                enable loongson2
+                enable loongson3
+                enable local_aligned
+                enable simd_align_16
+                enable fast_64bit
+                enable fast_clz
+                enable fast_cmov
+                enable fast_unaligned
+                disable aligned_stack
+                disable mipsfpu
+                disable mipsdsp
+                disable mipsdspr2
+                # When gcc version less than 5.3.0, add -fno-expensive-optimizations flag.
+                if [ $cc == gcc ]; then
+                    gcc_version=$(gcc -dumpversion)
+                    if [ "$(echo "$gcc_version 5.3.0" | tr " " "\n" | sort -rV | head -n 1)" == "$gcc_version" ]; then
+                        expensive_optimization_flag=""
+                    else
+                        expensive_optimization_flag="-fno-expensive-optimizations"
+                    fi
+                fi
+                case $cpu in
+                    loongson3*)
+                        cpuflags="-march=loongson3a -mhard-float $expensive_optimization_flag"
+                    ;;
+                    loongson2e)
+                        cpuflags="-march=loongson2e -mhard-float $expensive_optimization_flag"
+                    ;;
+                    loongson2f)
+                        cpuflags="-march=loongson2f -mhard-float $expensive_optimization_flag"
+                    ;;
+                esac
+            ;;
+            *)
+                # Unknown CPU. Disable everything.
+                warn "unknown CPU. Disabling all MIPS optimizations."
+                disable mipsfpu
+                disable mipsdsp
+                disable mipsdspr2
+                disable msa
+                disable mmi
+            ;;
+        esac
+
+        case $cpu in
+            24kc)
+                disable mipsfpu
+                disable mipsdsp
+                disable mipsdspr2
+            ;;
+            24kf*)
+                disable mipsdsp
+                disable mipsdspr2
+            ;;
+            24kec|34kc|1004kc)
+                disable mipsfpu
+                disable mipsdspr2
+            ;;
+            24kef*|34kf*|1004kf*)
+                disable mipsdspr2
+            ;;
+            74kc)
+                disable mipsfpu
+            ;;
+            p5600)
+                enable mips32r5
+                check_cflags "-mtune=p5600" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops"
+            ;;
+            i6400)
+                enable mips64r6
+                check_cflags "-mtune=i6400 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64"
+            ;;
+            p6600)
+                enable mips64r6
+                check_cflags "-mtune=p6600 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64"
+            ;;
+        esac
+    else
+        # We do not disable anything. Is up to the user to disable the unwanted features.
+        warn 'generic cpu selected'
+    fi
+
 elif enabled ppc; then
 
     disable ldbrx
@@ -3735,7 +4930,6 @@ elif enabled ppc; then
         ;;
         power[7-8]*)
             cpuflags="-mcpu=$cpu"
-            enable ldbrx
         ;;
         cell)
             cpuflags="-mcpu=cell"
@@ -3783,7 +4977,9 @@ elif enabled x86; then
             disable i686
         ;;
         # targets that do support nopl and conditional mov (cmov)
-        i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|corei7*|amdfam10|barcelona|atom|bdver*)
+        i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\
+        |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|skylake*|knl\
+        |amdfam10|barcelona|b[dt]ver*|znver*)
             cpuflags="-march=$cpu"
             enable i686
             enable fast_cmov
@@ -3818,10 +5014,12 @@ if test "$?" != 0; then
 fi
 
 add_cppflags -D_ISOC99_SOURCE
+add_cxxflags -D__STDC_CONSTANT_MACROS
+check_cxxflags -std=c++11 || check_cxxflags -std=c++0x
 
 # some compilers silently accept -std=c11, so we also need to check that the
 # version macro is defined properly
-test_cpp_condition stdlib.h  "__STDC_VERSION__ >= 201112L" -std=c11 &&
+test_cflags_cc -std=c11 ctype.h "__STDC_VERSION__ >= 201112L" &&
     add_cflags -std=c11 ||
     check_cflags -std=c99
 
@@ -3868,6 +5066,9 @@ case "$arch" in
     ;;
     x86)
         check_64bit x86_32 x86_64
+        # Treat x32 as x64 for now. Note it also needs pic if shared
+        test "$subarch" = "x86_32" && test_cpp_condition stddef.h 'defined(__x86_64__)' &&
+            subarch=x86_64 && enable x86_64 && disable x86_32
         if enabled x86_64; then
             enabled shared && enable_weak pic
             objformat=elf64
@@ -3882,10 +5083,13 @@ case $target_os in
         add_cppflags '-I\$(SRC_PATH)/compat/aix'
         enabled shared && add_ldflags -Wl,-brtl
         arflags='-Xany -r -c'
+        striptype=""
         ;;
     android)
         disable symver
         enable section_data_rel_ro
+        add_cflags -fPIE
+        add_ldexeflags -fPIE -pie
         SLIB_INSTALL_NAME='$(SLIBNAME)'
         SLIB_INSTALL_LINKS=
         SHFLAGS='-shared -Wl,-soname,$(SLIBNAME)'
@@ -3899,6 +5103,7 @@ case $target_os in
         SHFLAGS='-shared -Wl,-h,$$(@F)'
         enabled x86 && append SHFLAGS -mimpure-text
         network_extralibs="-lsocket -lnsl"
+        add_cppflags -D__EXTENSIONS__
         # When using suncc to build, the Solaris linker will mark
         # an executable with each instruction set encountered by
         # the Solaris assembler.  As our libraries contain their own
@@ -3914,13 +5119,17 @@ case $target_os in
     netbsd)
         disable symver
         oss_indev_extralibs="-lossaudio"
+        oss_outdev_extralibs="-lossaudio"
+        enabled gcc || check_ldflags -Wl,-zmuldefs
         ;;
     openbsd|bitrig)
         disable symver
+        striptype=""
         SHFLAGS='-shared'
         SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
         SLIB_INSTALL_LINKS=
         oss_indev_extralibs="-lossaudio"
+        oss_outdev_extralibs="-lossaudio"
         ;;
     dragonfly)
         disable symver
@@ -3929,18 +5138,21 @@ case $target_os in
         ;;
     bsd/os)
         add_extralibs -lpoll -lgnugetopt
+        strip="strip -d"
         ;;
     darwin)
         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)'
+        install_name_dir_default='$(SHLIBDIR)'
+        SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(INSTALL_NAME_DIR)/$(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
         check_cflags -Werror=partial-availability
         SLIBSUF=".dylib"
-        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME).$(LIBVERSION)$(SLIBSUF)'
-        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME).$(LIBMAJOR)$(SLIBSUF)'
+        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
+        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
         enabled x86_64 && objformat="macho64" || objformat="macho32"
-        enabled_any pic shared ||
+        enabled_any pic shared x86_64 ||
             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
         check_headers dispatch/dispatch.h &&
             add_cppflags '-I\$(SRC_PATH)/compat/dispatch_semaphore'
@@ -3948,6 +5160,8 @@ case $target_os in
             is_in -isysroot $cc $CPPFLAGS $CFLAGS || check_cppflags -isysroot $sysroot
             is_in -isysroot $ld $LDFLAGS          || check_ldflags  -isysroot $sysroot
         fi
+        version_script='-exported_symbols_list'
+        VERSION_SCRIPT_POSTPROCESS_CMD='tr " " "\n" | sed -n /global:/,/local:/p | grep ";" | tr ";" "\n" | sed -E "s/(.+)/_\1/g" | sed -E "s/(.+[^*])$$$$/\1*/"'
         ;;
     msys*)
         die "Native MSYS builds are discouraged, please use the MINGW environment."
@@ -3966,24 +5180,46 @@ case $target_os in
             # Cannot build both shared and static libs when using dllimport.
             disable static
         fi
-        check_ldflags -Wl,--nxcompat
-        check_ldflags -Wl,--dynamicbase
+        enabled shared && ! enabled small && test_cmd $windres --version && enable gnu_windres
+        enabled x86_32 && check_ldflags -Wl,--large-address-aware
         shlibdir_default="$bindir_default"
         SLIBPREF=""
         SLIBSUF=".dll"
-        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
-        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
-        SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
+        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
+        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
+        if test_cmd lib.exe -list; then
+            SLIB_EXTRA_CMD=-'lib.exe -nologo -machine:$(LIBTARGET) -def:$$(@:$(SLIBSUF)=.def) -out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
+            if enabled x86_64; then
+                LIBTARGET=x64
+            fi
+        else
+            SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
+        fi
         SLIB_INSTALL_NAME='$(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)'
         SLIB_CREATE_DEF_CMD='EXTERN_PREFIX="$(EXTERN_PREFIX)" AR="$(AR_CMD)" NM="$(NM_CMD)" $(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
-        SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-auto-image-base $$(@:$(SLIBSUF)=.def)'
+        SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--disable-auto-image-base $$(@:$(SLIBSUF)=.def)'
         enabled x86_64 && objformat="win64" || objformat="win32"
         dlltool="${cross_prefix}dlltool"
         ranlib=:
         enable dos_paths
+        check_ldflags -Wl,--nxcompat,--dynamicbase
+        # Lets work around some stupidity in binutils.
+        # ld will strip relocations from executables even though we need them
+        # for dynamicbase (ASLR).  Using -pie does retain the reloc section
+        # however ld then forgets what the entry point should be (oops) so we
+        # have to manually (re)set it.
+        if enabled x86_32; then
+            disabled debug && add_ldexeflags -Wl,--pic-executable,-e,_mainCRTStartup
+        elif enabled x86_64; then
+            disabled debug && add_ldexeflags -Wl,--pic-executable,-e,mainCRTStartup
+            check_ldflags -Wl,--high-entropy-va # binutils 2.25
+            # Set image base >4GB for extra entropy with HEASLR
+            add_ldexeflags -Wl,--image-base,0x140000000
+            append SHFLAGS -Wl,--image-base,0x180000000
+        fi
         ;;
     win32|win64)
         disable symver
@@ -3994,11 +5230,12 @@ case $target_os in
             # Cannot build both shared and static libs with MSVC or icl.
             disable static
         fi
+        enabled x86_32 && check_ldflags -LARGEADDRESSAWARE
         shlibdir_default="$bindir_default"
         SLIBPREF=""
         SLIBSUF=".dll"
-        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
-        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
+        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
+        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
         SLIB_CREATE_DEF_CMD='EXTERN_PREFIX="$(EXTERN_PREFIX)" $(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
         SLIB_INSTALL_LINKS=
@@ -4014,14 +5251,16 @@ case $target_os in
         shlibdir_default="$bindir_default"
         SLIBPREF="cyg"
         SLIBSUF=".dll"
-        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
-        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
+        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
+        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
         SLIB_INSTALL_LINKS=
-        SLIB_INSTALL_EXTRA_LIB='lib$(NAME).dll.a'
-        SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(NAME).dll.a'
+        SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
+        SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
         enabled x86_64 && objformat="win64" || objformat="win32"
         enable dos_paths
+        enabled shared && ! enabled small && test_cmd $windres --version && enable gnu_windres
+        add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
         ;;
     *-dos|freedos|opendos)
         network_extralibs="-lsocket"
@@ -4031,13 +5270,15 @@ case $target_os in
         ;;
     linux)
         enable section_data_rel_ro
+        enabled_any arm aarch64 && enable_weak linux_perf
         ;;
     irix*)
         target_os=irix
         ranlib="echo ignoring ranlib"
         ;;
     os/2*)
-        ln_s="cp -f"
+        strip="lxlite -CS"
+        striptype=""
         objformat="aout"
         add_cppflags -D_GNU_SOURCE
         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zhigh-mem -Zmap
@@ -4045,17 +5286,20 @@ case $target_os in
         LIBSUF="_s.a"
         SLIBPREF=""
         SLIBSUF=".dll"
-        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
-        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
-        SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
-            echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
-            echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
-            echo EXPORTS >> $(SUBDIR)$(NAME).def; \
-            emxexp $(OBJS) >> $(SUBDIR)$(NAME).def'
-        SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
-            emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
-        SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
+        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
+        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(FULLNAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
+        SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(FULLNAME).def; \
+            echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(FULLNAME).def; \
+            echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(FULLNAME).def; \
+            echo EXPORTS >> $(SUBDIR)$(FULLNAME).def; \
+            emxexp $(OBJS) >> $(SUBDIR)$(FULLNAME).def'
+        SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(FULLNAME)_dll.a $(SUBDIR)$(FULLNAME).def; \
+            emximp -o $(SUBDIR)$(LIBPREF)$(FULLNAME)_dll.lib $(SUBDIR)$(FULLNAME).def;'
+        SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
+        SLIB_INSTALL_LINKS=
+        SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(FULLNAME)_dll.a $(LIBPREF)$(FULLNAME)_dll.lib'
         enable dos_paths
+        enable_weak os2threads
         ;;
     gnu/kfreebsd)
         add_cppflags -D_BSD_SOURCE
@@ -4087,6 +5331,26 @@ case $target_os in
         ;;
 esac
 
+# test if creating links works
+link_dest=$(mktemp -u $TMPDIR/dest_XXXXXXXX)
+link_name=$(mktemp -u $TMPDIR/name_XXXXXXXX)
+mkdir "$link_dest"
+$ln_s "$link_dest" "$link_name"
+touch "$link_dest/test_file"
+if [ "$source_path" != "." ] && ([ ! -d src ] || [ -L src ]) && [ -e "$link_name/test_file" ]; then
+    # create link to source path
+    [ -e src ] && rm src
+    $ln_s "$source_path" src
+    source_link=src
+else
+    # creating directory links doesn't work
+    # fall back to using the full source path
+    source_link="$source_path"
+fi
+# cleanup
+rm -r "$link_dest"
+rm -r "$link_name"
+
 # determine libc flavour
 
 probe_libc(){
@@ -4103,11 +5367,13 @@ probe_libc(){
     elif test_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
         eval ${pfx}libc_type=newlib
         add_${pfx}cppflags -U__STRICT_ANSI__ -D_XOPEN_SOURCE=600
-        test_${pfx}cpp_condition windows.h "!defined(_WIN32_WINNT) || _WIN32_WINNT < 0x0600" &&
-            add_${pfx}cppflags -D_WIN32_WINNT=0x0600
     # MinGW64 is backwards compatible with MinGW32, so check for it first.
     elif test_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
         eval ${pfx}libc_type=mingw64
+        if test_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then
+            add_compat msvcrt/snprintf.o
+            add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
+        fi
         add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
         eval test \$${pfx_no_}cc_type = "gcc" &&
             add_${pfx}cppflags -D__printf__=__gnu_printf__
@@ -4160,6 +5426,7 @@ probe_libc(){
 EOF
         if [ "$pfx" = "" ]; then
             check_func strtoll || add_cflags -Dstrtoll=_strtoi64
+            check_func strtoull || add_cflags -Dstrtoull=_strtoui64
         fi
     elif test_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
         eval ${pfx}libc_type=klibc
@@ -4168,10 +5435,16 @@ EOF
     elif test_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then
         eval ${pfx}libc_type=solaris
         add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
-    else
-        eval ${pfx}libc_type=default
-        add_${pfx}cppflags -D_DEFAULT_SOURCE
     fi
+    test_${pfx}cc <<EOF
+#include <time.h>
+void *v = localtime_r;
+EOF
+test "$?" != 0 && test_${pfx}cc -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 <<EOF && add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
+#include <time.h>
+void *v = localtime_r;
+EOF
+
     eval test -n "\${${pfx}libc_type}" && enable ${pfx}libc_${libc_type}
 }
 
@@ -4191,10 +5464,14 @@ check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||
 
 test_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
 
+set_default libdir
+: ${shlibdir_default:="$libdir"}
+: ${pkgconfigdir_default:="$libdir/pkgconfig"}
+
 set_default $PATHS_LIST
 set_default nm
 
-disabled optimizations || check_cflags -fomit-frame-pointer
+disabled optimizations || enabled ossfuzz || check_cflags -fomit-frame-pointer
 
 enable_weak_pic() {
     disabled pic && return
@@ -4232,6 +5509,12 @@ unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
 EOF
 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
 
+check_cc const_nan math.h "struct { double d; } static const bar[] = { { NAN } }"
+
+if ! enabled ppc64 || enabled bigendian; then
+    disable vsx
+fi
+
 check_gas() {
     log "check_gas using '$as' as AS"
     # :vararg is used on aarch64, arm and ppc altivec
@@ -4247,7 +5530,7 @@ m x" || return 1
 if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then
     nogas=:
     enabled_any arm aarch64 && nogas=die
-    enabled_all ppc altivec && nogas=warn
+    enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn
     as_noop=-v
 
     case $as_type in
@@ -4258,8 +5541,9 @@ if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then
 
     [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"
 
-    test_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- $as $as_noop &&
-        gas="gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- $as"
+    test "${as#*gas-preprocessor.pl}" != "$as" ||
+    test_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- ${as:=$cc} $as_noop &&
+        gas="${gas:=gas-preprocessor.pl} -arch $arch -as-type $gaspp_as_type -- ${as:=$cc}"
 
     if ! check_gas ; then
         as=${gas:=$as}
@@ -4273,6 +5557,8 @@ fi
 
 check_inline_asm inline_asm_labels '"1:\n"'
 
+check_inline_asm inline_asm_nonlocal_labels '"Label:\n"'
+
 if enabled aarch64; then
     enabled armv8 && check_insn armv8 'prfm   pldl1strm, [x0]'
     # internal assembler in clang 3.3 does not support this instruction
@@ -4288,7 +5574,9 @@ elif enabled alpha; then
 elif enabled arm; then
 
     enabled msvc && check_cpp_condition thumb stddef.h "defined _M_ARMT"
-    test_cpp_condition stddef.h "defined __thumb__" && enable_weak thumb
+    test_cpp_condition stddef.h "defined __thumb__" && test_cc <<EOF && enable_weak thumb
+float func(float a, float b){ return a+b; }
+EOF
     enabled thumb && check_cflags -mthumb || check_cflags -marm
 
     if check_cpp_condition vfp_args stddef.h "defined __ARM_PCS_VFP"; then
@@ -4298,7 +5586,7 @@ elif enabled arm; then
     elif ! test_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__" && [ $target_os != darwin ]; then
         case "${cross_prefix:-$cc}" in
             *hardfloat*) enable vfp_args; fpabi=vfp ;;
-            *) check_ld vfp_args <<EOF && fpabi=vfp || fpabi=soft ;;
+            *) check_ld "cc" vfp_args <<EOF && fpabi=vfp || fpabi=soft ;;
 __asm__ (".eabi_attribute 28, 1");
 int main(void) { return 0; }
 EOF
@@ -4312,6 +5600,7 @@ EOF
     enabled neon    && check_insn neon    'vadd.i16 q0, q0, q0'
     enabled vfp     && check_insn vfp     'fadds s0, s0, s0'
     enabled vfpv3   && check_insn vfpv3   'vmov.f32 s0, #1.0'
+    enabled setend  && check_insn setend  'setend be'
 
     [ $target_os = linux ] || [ $target_os = android ] ||
         map 'enabled_any ${v}_external ${v}_inline || disable $v' \
@@ -4320,6 +5609,7 @@ EOF
     check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
 
     check_as as_arch_directive ".arch armv7-a"
+    check_as as_dn_directive   "ra .dn d0.i16"
     check_as as_fpu_directive  ".fpu neon"
 
     # llvm's integrated assembler supports .object_arch from llvm 3.5
@@ -4331,32 +5621,43 @@ EOF
 
 elif enabled mips; then
 
-    # make sure that only one instruction set is enabled
-    disable $ARCH_EXT_LIST_MIPS
-
-    check_inline_asm loongson '"dmult.g $1, $2, $3"'
+    enabled loongson2 && check_inline_asm loongson2 '"dmult.g $8, $9, $10"'
+    enabled loongson3 && check_inline_asm loongson3 '"gsldxc1 $f0, 0($2, $3)"'
+    enabled mmi && check_inline_asm mmi '"punpcklhw $f0, $f0, $f0"'
 
+    # Enable minimum ISA based on selected options
     if enabled mips64; then
-        check_inline_asm mips64r6 '"dlsa $0, $0, $0, 1"' ||
-            check_inline_asm mips64r2 '"dext $0, $0, 0, 1"' ||
-                check_inline_asm mips64r1 '"daddi $0, $0, 0"'
+        enabled mips64r6 && check_inline_asm_flags mips64r6 '"dlsa $0, $0, $0, 1"' '-mips64r6'
+        enabled mips64r2 && check_inline_asm_flags mips64r2 '"dext $0, $0, 0, 1"' '-mips64r2'
+        disabled mips64r6 && disabled mips64r2 && check_inline_asm_flags mips64r1 '"daddi $0, $0, 0"' '-mips64'
     else
-        check_inline_asm mips32r6 '"aui $0, $0, 0"' ||
-            check_inline_asm mips32r2 '"ext $0, $0, 0, 1"' ||
-                check_inline_asm mips32r1 '"addi $0, $0, 0"'
+        enabled mips32r6 && check_inline_asm_flags mips32r6 '"aui $0, $0, 0"' '-mips32r6'
+        enabled mips32r5 && check_inline_asm_flags mips32r5 '"eretnc"' '-mips32r5'
+        enabled mips32r2 && check_inline_asm_flags mips32r2 '"ext $0, $0, 0, 1"' '-mips32r2'
+        disabled mips32r6 && disabled mips32r5 && disabled mips32r2 && check_inline_asm_flags mips32r1 '"addi $0, $0, 0"' '-mips32'
+    fi
+
+    enabled mipsfpu && check_inline_asm_flags mipsfpu '"cvt.d.l $f0, $f2"' '-mhard-float'
+    enabled mipsfpu && (enabled mips32r5 || enabled mips32r6 || enabled mips64r6) && check_inline_asm_flags mipsfpu '"cvt.d.l $f0, $f1"' '-mfp64'
+    enabled mipsfpu && enabled msa && check_inline_asm_flags msa '"addvi.b $w0, $w1, 1"' '-mmsa' && check_headers msa.h || disable msa
+    enabled mipsdsp && check_inline_asm_flags mipsdsp '"addu.qb $t0, $t1, $t2"' '-mdsp'
+    enabled mipsdspr2 && check_inline_asm_flags mipsdspr2 '"absq_s.qb $t0, $t1"' '-mdspr2'
+
+    if enabled bigendian && enabled msa; then
+        disable msa
     fi
 
 elif enabled parisc; then
 
     if enabled gcc; then
         case $($cc -dumpversion) in
-            4.[3-8].*) check_cflags -fno-optimize-sibling-calls ;;
+            4.[3-9].*) check_cflags -fno-optimize-sibling-calls ;;
         esac
     fi
 
 elif enabled ppc; then
 
-    enable local_aligned_8 local_aligned_16 local_aligned_32
+    enable local_aligned
 
     check_inline_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'
     check_inline_asm ibm_asm   '"add 0, 0, 0"'
@@ -4381,7 +5682,7 @@ elif enabled ppc; then
     fi
 
     if enabled power8; then
-        check_cpp_condition power8 altivec.h "defined(_ARCH_PWR8)"
+        check_cpp_condition power8 "altivec.h" "defined(_ARCH_PWR8)"
     fi
 
 elif enabled x86; then
@@ -4389,7 +5690,7 @@ elif enabled x86; then
     check_builtin rdtsc    intrin.h   "__rdtsc()"
     check_builtin mm_empty mmintrin.h "_mm_empty()"
 
-    enable local_aligned_8 local_aligned_16 local_aligned_32
+    enable local_aligned
 
     # check whether EBP is available on x86
     # As 'i' is stored on the stack, this program will crash
@@ -4408,6 +5709,9 @@ EOF
     # check whether xmm clobbers are supported
     check_inline_asm xmm_clobbers '"":::"%xmm0"'
 
+    check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' ||
+        check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"'
+
     # check whether binutils is new enough to compile SSSE3/MMXEXT
     enabled ssse3  && check_inline_asm ssse3_inline  '"pabsw %xmm0, %xmm0"'
     enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
@@ -4443,11 +5747,11 @@ EOF
             elf*) enabled debug && append X86ASMFLAGS $x86asm_debug ;;
         esac
 
-        check_x86asm avx2_external "vextracti128 xmm0, ymm0, 0"
-        check_x86asm  xop_external "vpmacsdd xmm0, xmm1, xmm2, xmm3"
-        check_x86asm fma3_external "vfmadd132ps ymm0, ymm1, ymm2"
-        check_x86asm fma4_external "vfmaddps ymm0, ymm1, ymm2, ymm3"
-        check_x86asm cpunop        "CPU amdnop"
+        check_x86asm avx512_external "vmovdqa32 [eax]{k1}{z}, zmm0"
+        check_x86asm avx2_external   "vextracti128 xmm0, ymm0, 0"
+        check_x86asm xop_external    "vpmacsdd xmm0, xmm1, xmm2, xmm3"
+        check_x86asm fma4_external   "vfmaddps ymm0, ymm1, ymm2, ymm3"
+        check_x86asm cpunop          "CPU amdnop"
     fi
 
     case "$cpu" in
@@ -4461,6 +5765,7 @@ fi
 check_cc intrinsics_neon arm_neon.h "int16x8_t test = vdupq_n_s16(0)"
 
 check_ldflags -Wl,--as-needed
+check_ldflags -Wl,-z,noexecstack
 
 if ! disabled network; then
     check_func getaddrinfo $network_extralibs
@@ -4472,6 +5777,7 @@ if ! disabled network; then
     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
     check_type poll.h "struct pollfd"
     check_type netinet/sctp.h "struct sctp_event_subscribe"
+    check_struct "sys/socket.h" "struct msghdr" msg_flags
     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
     check_type netinet/in.h "struct sockaddr_in6"
     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
@@ -4505,6 +5811,9 @@ check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic
 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
+check_builtin gmtime_r time.h "time_t *time; struct tm *tm; gmtime_r(time, tm)"
+check_builtin localtime_r time.h "time_t *time; struct tm *tm; localtime_r(time, tm)"
+check_builtin x264_csp_bgr "stdint.h x264.h" "X264_CSP_BGR"
 
 case "$custom_allocator" in
     jemalloc)
@@ -4521,18 +5830,16 @@ check_func_headers malloc.h _aligned_malloc     && enable aligned_malloc
 check_func  ${malloc_prefix}memalign            && enable memalign
 check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
 
-test_cpp_condition unistd.h "defined(_POSIX_MONOTONIC_CLOCK)" &&
-    { check_lib clock_gettime time.h clock_gettime ||
-      check_lib clock_gettime time.h clock_gettime -lrt; }
-
+check_func  access
+check_func_headers stdlib.h arc4random
+check_lib   clock_gettime time.h clock_gettime || check_lib clock_gettime time.h clock_gettime -lrt
 check_func  fcntl
+check_func  fork
 check_func  gethrtime
 check_func  getopt
 check_func  getrusage
 check_func  gettimeofday
-check_func  gmtime_r
 check_func  isatty
-check_func  localtime_r
 check_func  mkstemp
 check_func  mmap
 check_func  mprotect
@@ -4540,64 +5847,104 @@ check_func  mprotect
 check_func_headers time.h nanosleep || check_lib nanosleep time.h nanosleep -lrt
 check_func  sched_getaffinity
 check_func  setrlimit
+check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE
 check_func  strerror_r
 check_func  sysconf
 check_func  sysctl
 check_func  usleep
 
+check_func_headers conio.h kbhit
 check_func_headers io.h setmode
+check_func_headers lzo/lzo1x.h lzo1x_999_compress
 check_func_headers mach/mach_time.h mach_absolute_time
 check_func_headers stdlib.h getenv
+check_func_headers sys/stat.h lstat
 
 check_func_headers windows.h GetProcessAffinityMask
 check_func_headers windows.h GetProcessTimes
 check_func_headers windows.h GetSystemTimeAsFileTime
 check_func_headers windows.h LoadLibrary
 check_func_headers windows.h MapViewOfFile
+check_func_headers windows.h PeekNamedPipe
 check_func_headers windows.h SetConsoleTextAttribute
+check_func_headers windows.h SetConsoleCtrlHandler
 check_func_headers windows.h Sleep
 check_func_headers windows.h VirtualAlloc
+check_func_headers glob.h glob
+enabled xlib &&
+    check_lib xlib "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext
 
 check_headers direct.h
+check_headers dirent.h
 check_headers dxgidebug.h
 check_headers dxva.h
-check_headers dxva2api.h
+check_headers dxva2api.h -D_WIN32_WINNT=0x0600
 check_headers io.h
+check_headers linux/perf_event.h
+check_headers libcrystalhd/libcrystalhd_if.h
 check_headers malloc.h
+check_headers net/udplite.h
 check_headers poll.h
 check_headers sys/param.h
 check_headers sys/resource.h
 check_headers sys/select.h
 check_headers sys/time.h
 check_headers sys/un.h
+check_headers termios.h
 check_headers unistd.h
 check_headers valgrind/valgrind.h
-check_headers VideoDecodeAcceleration/VDADecoder.h
+check_func_headers VideoToolbox/VTCompressionSession.h VTCompressionSessionPrepareToEncodeFrames -framework VideoToolbox
 check_headers windows.h
+check_headers X11/extensions/XvMClib.h
+check_headers asm/types.h
 
 # it seems there are versions of clang in some distros that try to use the
 # gcc headers, which explodes for stdatomic
 # so we also check that atomics actually work here
-check_builtin stdatomic stdatomic.h "atomic_int foo; atomic_store(&foo, 0)"
+check_builtin stdatomic stdatomic.h "atomic_int foo, bar = ATOMIC_VAR_INIT(-1); atomic_store(&foo, 0); foo += bar"
 
+check_lib advapi32 "windows.h"            RegCloseKey          -ladvapi32
 check_lib bcrypt   "windows.h bcrypt.h"   BCryptGenRandom      -lbcrypt &&
     check_cpp_condition bcrypt bcrypt.h "defined BCRYPT_RNG_ALGORITHM"
 check_lib ole32    "windows.h"            CoTaskMemFree        -lole32
 check_lib shell32  "windows.h shellapi.h" CommandLineToArgvW   -lshell32
 check_lib psapi    "windows.h psapi.h"    GetProcessMemoryInfo -lpsapi
 
-check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
+check_lib android android/native_window.h ANativeWindow_acquire -landroid
+check_lib mediandk "stdint.h media/NdkImage.h" AImage_delete -lmediandk
+check_lib camera2ndk "stdbool.h stdint.h camera/NdkCameraManager.h" ACameraManager_create -lcamera2ndk
+
+enabled appkit       && check_apple_framework AppKit
+enabled audiotoolbox && check_apple_framework AudioToolbox
+enabled avfoundation && check_apple_framework AVFoundation
+enabled coreimage    && check_apple_framework CoreImage
+enabled videotoolbox && check_apple_framework VideoToolbox
+
+check_apple_framework CoreFoundation
+check_apple_framework CoreMedia
+check_apple_framework CoreVideo
+
+enabled avfoundation && {
+    disable coregraphics applicationservices
+    check_lib coregraphics        CoreGraphics/CoreGraphics.h               CGGetActiveDisplayList "-framework CoreGraphics" ||
+    check_lib applicationservices ApplicationServices/ApplicationServices.h CGGetActiveDisplayList "-framework ApplicationServices"; }
+
+enabled videotoolbox && {
+    check_lib coreservices CoreServices/CoreServices.h UTGetOSTypeFromString "-framework CoreServices"
+    check_func_headers CoreMedia/CMFormatDescription.h kCMVideoCodecType_HEVC "-framework CoreMedia"
+}
 
-check_type "cuviddec.h" "CUVIDH264PICPARAMS"
-check_type "cuviddec.h" "CUVIDHEVCPICPARAMS"
-check_struct "cuviddec.h" "CUVIDDECODECREATEINFO" bitDepthMinus8
+check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
 
 check_type "windows.h dxva.h" "DXVA_PicParams_HEVC" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0
+check_type "windows.h dxva.h" "DXVA_PicParams_VP9" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0
 check_type "windows.h d3d11.h" "ID3D11VideoDecoder"
+check_type "windows.h d3d11.h" "ID3D11VideoContext"
 check_type "d3d9.h dxva2api.h" DXVA2_ConfigPictureDecode -D_WIN32_WINNT=0x0602
 
 check_type "va/va.h va/va_dec_hevc.h" "VAPictureParameterBufferHEVC"
 check_type "va/va.h va/va_dec_vp8.h" "VAPictureParameterBufferVP8"
+check_struct "va/va.h" "VADecPictureParameterBufferVP9" bit_depth
 check_type "va/va.h va/va_vpp.h" "VAProcPipelineParameterBuffer"
 check_type "va/va.h va/va_enc_h264.h" "VAEncPictureParameterBufferH264"
 check_type "va/va.h va/va_enc_hevc.h" "VAEncPictureParameterBufferHEVC"
@@ -4608,38 +5955,68 @@ check_type "va/va.h va/va_enc_vp9.h"  "VAEncPictureParameterBufferVP9"
 
 check_type "vdpau/vdpau.h" "VdpPictureInfoHEVC"
 
+if ! disabled ffnvcodec; then
+    check_pkg_config ffnvcodec "ffnvcodec >= 8.1.24.2" \
+          "ffnvcodec/nvEncodeAPI.h ffnvcodec/dynlink_cuda.h ffnvcodec/dynlink_cuviddec.h ffnvcodec/dynlink_nvcuvid.h" "" || \
+      check_pkg_config ffnvcodec "ffnvcodec >= 8.0.14.2 ffnvcodec < 8.1" \
+          "ffnvcodec/nvEncodeAPI.h ffnvcodec/dynlink_cuda.h ffnvcodec/dynlink_cuviddec.h ffnvcodec/dynlink_nvcuvid.h" ""
+fi
+
+check_cpp_condition winrt windows.h "!WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)"
+
 if ! disabled w32threads && ! enabled pthreads; then
-    check_lib w32threads "windows.h process.h" _beginthreadex &&
-        check_type "windows.h" CONDITION_VARIABLE
+    check_func_headers "windows.h process.h" _beginthreadex &&
+        check_type "windows.h" CONDITION_VARIABLE &&
+        check_type "windows.h" INIT_ONCE &&
+        enable w32threads || disable w32threads
+    if ! enabled w32threads && enabled winrt; then
+        check_func_headers "windows.h" CreateThread &&
+            enable w32threads || disable w32threads
+    fi
 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 check_lib pthreads pthread.h pthread_join -pthread; then
+if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
+    if check_lib pthreads pthread.h pthread_join   -pthread &&
+       check_lib pthreads pthread.h pthread_create -pthread; then
         add_cflags -pthread
-    elif check_lib pthreads pthread.h pthread_join -pthreads; then
+    elif check_lib pthreads pthread.h pthread_join   -pthreads &&
+         check_lib pthreads pthread.h pthread_create -pthreads; then
         add_cflags -pthreads
-    elif check_lib pthreads pthread.h pthread_join -lpthreadGC2; then
+    elif check_lib pthreads pthread.h pthread_join   -ldl -pthread &&
+         check_lib pthreads pthread.h pthread_create -ldl -pthread; then
+        add_cflags -ldl -pthread
+    elif check_lib pthreads pthread.h pthread_join   -lpthreadGC2 &&
+         check_lib pthreads pthread.h pthread_create -lpthreadGC2; then
         :
-    elif check_lib pthreads pthread.h pthread_join -lpthread; then
+    elif check_lib pthreads pthread.h pthread_join   -lpthread &&
+         check_lib pthreads pthread.h pthread_create -lpthread; then
         :
-    elif check_func pthread_join; then
+    elif check_func pthread_join && check_func pthread_create; then
         enable pthreads
     fi
-    enabled pthreads &&
+    check_cc pthreads "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER"
+
+    if enabled pthreads; then
         check_builtin sem_timedwait semaphore.h "sem_t *s; sem_init(s,0,0); sem_timedwait(s,0); sem_destroy(s)" $pthreads_extralibs
+        check_func pthread_cancel $pthreads_extralibs
+    fi
 fi
 
-disabled  zlib || check_lib  zlib  zlib.h      zlibVersion -lz
-disabled bzlib || check_lib bzlib bzlib.h BZ2_bzlibVersion -lbz2
+enabled  zlib && { check_pkg_config zlib zlib "zlib.h" zlibVersion ||
+                   check_lib zlib   zlib.h      zlibVersion    -lz; }
+enabled bzlib && check_lib bzlib bzlib.h BZ2_bzlibVersion    -lbz2
+enabled  lzma && check_lib lzma   lzma.h lzma_version_number -llzma
 
 # On some systems dynamic loading requires no extra linker flags
-check_lib libdl dlfcn.h dlopen || check_lib libdl dlfcn.h dlopen -ldl
+check_lib libdl dlfcn.h "dlopen dlsym" || check_lib libdl dlfcn.h "dlopen dlsym" -ldl
 
 check_lib libm math.h sin -lm
 
 atan2f_args=2
+copysign_args=2
+hypot_args=2
 ldexpf_args=2
 powf_args=2
 
@@ -4647,69 +6024,159 @@ for func in $MATH_FUNCS; do
     eval check_mathfunc $func \${${func}_args:-1} $libm_extralibs
 done
 
+for func in $COMPLEX_FUNCS; do
+    eval check_complexfunc $func \${${func}_args:-1}
+done
+
 # these are off by default, so fail if requested and not available
-enabled amf               && require_cpp_condition amf AMF/core/Version.h "(AMF_VERSION_MAJOR << 48 | AMF_VERSION_MINOR << 32 | AMF_VERSION_RELEASE << 16 | AMF_VERSION_BUILD_NUM) >= 0x0001000400040001"
-enabled avisynth          && require_headers avisynth/avisynth_c.h
-enabled avxsynth          && require_headers avxsynth/avxsynth_c.h
-enabled cuda              && require cuda cuda.h cuInit -lcuda
-enabled cuvid             && require cuvid cuviddec.h cuvidCreateDecoder -lnvcuvid
+enabled cuda_sdk          && require cuda_sdk cuda.h cuCtxCreate -lcuda
+enabled chromaprint       && require chromaprint chromaprint.h chromaprint_get_version -lchromaprint
+enabled decklink          && { require_headers DeckLinkAPI.h &&
+                               { test_cpp_condition DeckLinkAPIVersion.h "BLACKMAGIC_DECKLINK_API_VERSION >= 0x0a060100" || die "ERROR: Decklink API version must be >= 10.6.1."; } }
+enabled libndi_newtek     && require_headers Processing.NDI.Lib.h
 enabled frei0r            && require_headers frei0r.h
-enabled gnutls            && require_pkg_config gnutls gnutls gnutls/gnutls.h gnutls_global_init &&
-                             check_lib gmp gmp.h mpz_export -lgmp
-enabled libaom            && require_pkg_config libaom "aom >= 0.1.0" aom/aom_codec.h aom_codec_version
+enabled gmp               && require gmp gmp.h mpz_export -lgmp
+enabled gnutls            && require_pkg_config gnutls gnutls gnutls/gnutls.h gnutls_global_init
+enabled jni               && { [ $target_os = "android" ] && check_headers jni.h && enabled pthreads || die "ERROR: jni not found"; }
+enabled ladspa            && require_headers ladspa.h
+enabled libaom            && require_pkg_config libaom "aom >= 1.0.0" aom/aom_codec.h aom_codec_version
+enabled lv2               && require_pkg_config lv2 lilv-0 "lilv/lilv.h" lilv_world_new
+enabled libiec61883       && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
+enabled libass            && require_pkg_config libass libass ass/ass.h ass_library_init
+enabled libbluray         && require_pkg_config libbluray libbluray libbluray/bluray.h bd_open
 enabled libbs2b           && require_pkg_config libbs2b libbs2b bs2b.h bs2b_open
+enabled libcelt           && require libcelt celt/celt.h celt_decode -lcelt0 &&
+                             { check_lib libcelt celt/celt.h celt_decoder_create_custom -lcelt0 ||
+                               die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
+enabled libcaca           && require_pkg_config libcaca caca caca.h caca_create_canvas
+enabled libcodec2         && require libcodec2 codec2/codec2.h codec2_create -lcodec2
+enabled libdavs2          && require_pkg_config libdavs2 "davs2 >= 1.5.115" davs2.h davs2_decoder_open
 enabled libdc1394         && require_pkg_config libdc1394 libdc1394-2 dc1394/dc1394.h dc1394_new
-enabled libdcadec         && require libdcadec libdcadec/dca_context.h dcadec_context_create -ldcadec
-enabled libfaac           && require libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
-enabled libfdk_aac        && require_pkg_config libfdk_aac fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen
+enabled libdrm            && require_pkg_config libdrm libdrm xf86drm.h drmGetVersion
+enabled libfdk_aac        && { check_pkg_config libfdk_aac fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen ||
+                               { require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac &&
+                                 warn "using libfdk without pkg-config"; } }
+flite_extralibs="-lflite_cmu_time_awb -lflite_cmu_us_awb -lflite_cmu_us_kal -lflite_cmu_us_kal16 -lflite_cmu_us_rms -lflite_cmu_us_slt -lflite_usenglish -lflite_cmulex -lflite"
+enabled libflite          && require libflite "flite/flite.h" flite_init $flite_extralibs
+enabled fontconfig        && enable libfontconfig
 enabled libfontconfig     && require_pkg_config libfontconfig fontconfig "fontconfig/fontconfig.h" FcInit
 enabled libfreetype       && require_pkg_config libfreetype freetype2 "ft2build.h FT_FREETYPE_H" FT_Init_FreeType
-enabled libgsm            && require libgsm gsm.h gsm_create -lgsm
-enabled libhdcd           && require_pkg_config libhdcd libhdcd "hdcd/hdcd_simple.h" hdcd_new
-enabled libilbc           && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
+enabled libfribidi        && require_pkg_config libfribidi fribidi fribidi.h fribidi_version_info
+enabled libgme            && { check_pkg_config libgme libgme gme/gme.h gme_new_emu ||
+                               require libgme gme/gme.h gme_new_emu -lgme -lstdc++; }
+enabled libgsm            && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
+                                   check_lib libgsm "${gsm_hdr}" gsm_create -lgsm && break;
+                               done || die "ERROR: libgsm not found"; }
+enabled libilbc           && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc $pthreads_extralibs
 enabled libkvazaar        && require_pkg_config libkvazaar "kvazaar >= 0.8.1" kvazaar.h kvz_api_get
-enabled libmfx            && require_pkg_config libmfx libmfx "mfx/mfxvideo.h" MFXInit
-enabled libmp3lame        && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
-enabled libnpp            && require libnpp npp.h nppGetLibVersion -lnppi -lnppc
+enabled liblensfun        && require_pkg_config liblensfun lensfun lensfun.h lf_db_new
+# While it may appear that require is being used as a pkg-config
+# fallback for libmfx, it is actually being used to detect a different
+# installation route altogether.  If libmfx is installed via the Intel
+# Media SDK or Intel Media Server Studio, these don't come with
+# pkg-config support.  Instead, users should make sure that the build
+# can find the libraries and headers through other means.
+enabled libmfx            && { check_pkg_config libmfx libmfx "mfx/mfxvideo.h" MFXInit ||
+                               { require libmfx "mfx/mfxvideo.h" MFXInit "-llibmfx $advapi32_extralibs" && warn "using libmfx without pkg-config"; } }
+enabled libmodplug        && require_pkg_config libmodplug libmodplug libmodplug/modplug.h ModPlug_Load
+enabled libmp3lame        && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame $libm_extralibs
+enabled libmysofa         && { check_pkg_config libmysofa libmysofa mysofa.h mysofa_load ||
+                               require libmysofa mysofa.h mysofa_load -lmysofa $zlib_extralibs; }
+enabled libnpp            && { check_lib libnpp npp.h nppGetLibVersion -lnppig -lnppicc -lnppc ||
+                               check_lib libnpp npp.h nppGetLibVersion -lnppi -lnppc ||
+                               die "ERROR: libnpp not found"; }
 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 libopencv opencv opencv/cv.h cvCreateImageHeader
+enabled libopencv         && { check_headers opencv2/core/core_c.h &&
+                               { check_pkg_config libopencv opencv opencv2/core/core_c.h cvCreateImageHeader ||
+                                 require libopencv opencv2/core/core_c.h cvCreateImageHeader -lopencv_core -lopencv_imgproc; } ||
+                               require_pkg_config libopencv opencv opencv/cxcore.h cvCreateImageHeader; }
 enabled libopenh264       && require_pkg_config libopenh264 openh264 wels/codec_api.h WelsGetCodecVersion
-enabled libopenjpeg       && { check_lib libopenjpeg openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||
-                               require_pkg_config libopenjpeg libopenjpeg1 openjpeg.h opj_version -DOPJ_STATIC; }
-enabled libopus           && require_pkg_config libopus opus opus_multistream.h opus_multistream_decoder_create
-enabled libpulse          && require_pkg_config libpulse libpulse-simple pulse/simple.h pa_simple_new
+enabled libopenjpeg       && { check_pkg_config libopenjpeg "libopenjp2 >= 2.1.0" openjpeg.h opj_version ||
+                               { require_pkg_config libopenjpeg "libopenjp2 >= 2.1.0" openjpeg.h opj_version -DOPJ_STATIC && add_cppflags -DOPJ_STATIC; } }
+enabled libopenmpt        && require_pkg_config libopenmpt "libopenmpt >= 0.2.6557" libopenmpt/libopenmpt.h openmpt_module_create -lstdc++ && append libopenmpt_extralibs "-lstdc++"
+enabled libopus           && {
+    enabled libopus_decoder && {
+        require_pkg_config libopus opus opus_multistream.h opus_multistream_decoder_create
+    }
+    enabled libopus_encoder && {
+        require_pkg_config libopus opus opus_multistream.h opus_multistream_surround_encoder_create
+    }
+}
+enabled libpulse          && require_pkg_config libpulse libpulse pulse/pulseaudio.h pa_context_new
+enabled librsvg           && require_pkg_config librsvg librsvg-2.0 librsvg-2.0/librsvg/rsvg.h rsvg_handle_render_cairo
 enabled librtmp           && require_pkg_config librtmp librtmp librtmp/rtmp.h RTMP_Socket
-enabled libschroedinger   && require_pkg_config libschroedinger schroedinger-1.0 schroedinger/schro.h schro_init
-enabled libsnappy         && require libsnappy snappy-c.h snappy_compress -lsnappy
+enabled librubberband     && require_pkg_config librubberband "rubberband >= 1.8.1" rubberband/rubberband-c.h rubberband_new -lstdc++ && append librubberband_extralibs "-lstdc++"
+enabled libshine          && require_pkg_config libshine shine shine/layer3.h shine_encode_buffer
+enabled libsmbclient      && { check_pkg_config libsmbclient smbclient libsmbclient.h smbc_init ||
+                               require libsmbclient libsmbclient.h smbc_init -lsmbclient; }
+enabled libsnappy         && require libsnappy snappy-c.h snappy_compress -lsnappy -lstdc++
+enabled libsoxr           && require libsoxr soxr.h soxr_create -lsoxr
+enabled libssh            && require_pkg_config libssh libssh libssh/sftp.h sftp_init
 enabled libspeex          && require_pkg_config libspeex speex speex/speex.h speex_decoder_init
-enabled libsrt            && require_pkg_config libsrt "srt >= 1.2.0" srt/srt.h srt_socket
+enabled libsrt            && require_pkg_config libsrt "srt >= 1.3.0" srt/srt.h srt_socket
+enabled libtensorflow     && require libtensorflow tensorflow/c/c_api.h TF_Version -ltensorflow
+enabled libtesseract      && require_pkg_config libtesseract tesseract tesseract/capi.h TessBaseAPICreate
 enabled libtheora         && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
-enabled libtwolame        && require libtwolame twolame.h twolame_init -ltwolame
-enabled libvo_aacenc      && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
+enabled libtls            && require_pkg_config libtls libtls tls.h tls_configure
+enabled libtwolame        && require libtwolame twolame.h twolame_init -ltwolame &&
+                             { check_lib libtwolame twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
+                               die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
+enabled libv4l2           && require_pkg_config libv4l2 libv4l2 libv4l2.h v4l2_ioctl
+enabled libvidstab        && require_pkg_config libvidstab "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit
+enabled libvmaf           && require_pkg_config libvmaf "libvmaf >= 1.3.9" libvmaf.h compute_vmaf
 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            && require_pkg_config libvpx "vpx >= 1.3.0" vpx/vpx_codec.h vpx_codec_version &&
-                             { enabled libvpx_vp8_decoder &&
-                                   check_pkg_config libvpx_vp8_decoder vpx "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp8_dx
-                               enabled libvpx_vp8_encoder &&
-                                   check_pkg_config libvpx_vp8_encoder vpx "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp8_cx
-                               enabled libvpx_vp9_decoder &&
-                                   check_pkg_config libvpx_vp9_decoder vpx "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx
-                               enabled libvpx_vp9_encoder &&
-                                   check_pkg_config libvpx_vp9_encoder vpx "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx
-                               disabled_all libvpx_vp8_decoder libvpx_vp9_decoder libvpx_vp8_encoder libvpx_vp9_encoder &&
-                                   die "libvpx enabled but no supported decoders/encoders found"
-                             }
+enabled libvorbis         && require_pkg_config libvorbis vorbis vorbis/codec.h vorbis_info_init &&
+                             require_pkg_config libvorbisenc vorbisenc vorbis/vorbisenc.h vorbis_encode_init
+
+enabled libvpx            && {
+    enabled libvpx_vp8_decoder && {
+        check_pkg_config libvpx_vp8_decoder "vpx >= 1.4.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp8_dx ||
+            check_lib libvpx_vp8_decoder "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_dec_init_ver VPX_IMG_FMT_HIGHBITDEPTH" -lvpx ||
+                die "ERROR: libvpx decoder version must be >=1.4.0";
+    }
+    enabled libvpx_vp8_encoder && {
+        check_pkg_config libvpx_vp8_encoder "vpx >= 1.4.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp8_cx ||
+            check_lib libvpx_vp8_encoder "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VPX_IMG_FMT_HIGHBITDEPTH" -lvpx ||
+                die "ERROR: libvpx encoder version must be >=1.4.0";
+    }
+    enabled libvpx_vp9_decoder && {
+        check_pkg_config libvpx_vp9_decoder "vpx >= 1.4.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx ||
+            check_lib libvpx_vp9_decoder "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx VPX_IMG_FMT_HIGHBITDEPTH" "-lvpx $libm_extralibs"
+    }
+    enabled libvpx_vp9_encoder && {
+        check_pkg_config libvpx_vp9_encoder "vpx >= 1.4.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx ||
+            check_lib libvpx_vp9_encoder "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VPX_IMG_FMT_HIGHBITDEPTH" "-lvpx $libm_extralibs"
+    }
+    if disabled_all libvpx_vp8_decoder libvpx_vp9_decoder libvpx_vp8_encoder libvpx_vp9_encoder; then
+        die "libvpx enabled but no supported decoders found"
+    fi
+}
+
 enabled libwavpack        && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput  -lwavpack
-enabled libwebp           && require_pkg_config libwebp libwebp webp/encode.h WebPGetEncoderVersion
-enabled libx264           && require_pkg_config libx264 x264 "stdint.h x264.h" x264_encoder_encode &&
+enabled libwebp           && {
+    enabled libwebp_encoder      && require_pkg_config libwebp "libwebp >= 0.2.0" webp/encode.h WebPGetEncoderVersion
+    enabled libwebp_anim_encoder && check_pkg_config libwebp_anim_encoder "libwebpmux >= 0.4.0" webp/mux.h WebPAnimEncoderOptionsInit; }
+enabled libx264           && { check_pkg_config libx264 x264 "stdint.h x264.h" x264_encoder_encode ||
+                               { require libx264 "stdint.h x264.h" x264_encoder_encode "-lx264 $pthreads_extralibs $libm_extralibs" &&
+                                 warn "using libx264 without pkg-config"; } } &&
                              require_cpp_condition libx264 x264.h "X264_BUILD >= 118" &&
                              check_cpp_condition libx262 x264.h "X264_MPEG2"
 enabled libx265           && require_pkg_config libx265 x265 x265.h x265_api_get &&
-                             require_cpp_condition libx265 x265.h "X265_BUILD >= 57"
-enabled libxavs           && require libxavs "stdint.h xavs.h" xavs_encoder_encode -lxavs
+                             require_cpp_condition libx265 x265.h "X265_BUILD >= 68"
+enabled libxavs           && require libxavs "stdint.h xavs.h" xavs_encoder_encode "-lxavs $pthreads_extralibs $libm_extralibs"
 enabled libxvid           && require libxvid xvid.h xvid_global -lxvidcore
+enabled libzimg           && require_pkg_config libzimg "zimg >= 2.7.0" zimg.h zimg_get_api_version
+enabled libzmq            && require_pkg_config libzmq libzmq zmq.h zmq_ctx_new
+enabled libzvbi           && require_pkg_config libzvbi zvbi-0.2 libzvbi.h vbi_decoder_new &&
+                             { test_cpp_condition libzvbi.h "VBI_VERSION_MAJOR > 0 || VBI_VERSION_MINOR > 2 || VBI_VERSION_MINOR == 2 && VBI_VERSION_MICRO >= 28" ||
+                               enabled gpl || die "ERROR: libzvbi requires version 0.2.28 or --enable-gpl."; }
+enabled libxml2           && require_pkg_config libxml2 libxml-2.0 libxml2/libxml/xmlversion.h xmlCheckVersion
+enabled mbedtls           && { check_pkg_config mbedtls mbedtls mbedtls/x509_crt.h mbedtls_x509_crt_init ||
+                               check_pkg_config mbedtls mbedtls mbedtls/ssl.h mbedtls_ssl_init ||
+                               check_lib mbedtls mbedtls/ssl.h mbedtls_ssl_init -lmbedtls -lmbedx509 -lmbedcrypto ||
+                               die "ERROR: mbedTLS not found"; }
+enabled mediacodec        && { enabled jni || die "ERROR: mediacodec requires --enable-jni"; }
 enabled mmal              && { check_lib mmal interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ||
                                { ! enabled cross_compile &&
                                  add_cflags -isystem/opt/vc/include/ -isystem/opt/vc/include/interface/vmcs_host/linux -isystem/opt/vc/include/interface/vcos/pthreads -fgnu89-inline &&
@@ -4717,29 +6184,120 @@ enabled mmal              && { check_lib mmal interface/mmal/mmal.h mmal_port_co
                                  check_lib mmal interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host; } ||
                                die "ERROR: mmal not found" &&
                                check_func_headers interface/mmal/mmal.h "MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS"; }
-enabled nvenc             && require_cpp_condition nvenc nvEncodeAPI.h "NVENCAPI_MAJOR_VERSION >= 6"
+enabled openal            && { { for al_extralibs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
+                               check_lib openal 'AL/al.h' alGetError "${al_extralibs}" && break; done } ||
+                               die "ERROR: openal not found"; } &&
+                             { test_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
+                               die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
+enabled opencl            && { check_pkg_config opencl OpenCL CL/cl.h clEnqueueNDRangeKernel ||
+                               check_lib opencl OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||
+                               check_lib opencl CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||
+                               die "ERROR: opencl not found"; } &&
+                             { test_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||
+                               test_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||
+                               die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }
+enabled opengl            && { check_lib opengl GL/glx.h glXGetProcAddress "-lGL" ||
+                               check_lib opengl windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||
+                               check_lib opengl OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||
+                               check_lib opengl ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||
+                               die "ERROR: opengl not found."
+                             }
 enabled omx               && require_headers OMX_Core.h
 enabled omx_rpi           && { check_headers OMX_Core.h ||
                                { ! enabled cross_compile && add_cflags -isystem/opt/vc/include/IL && check_headers OMX_Core.h ; } ||
                                die "ERROR: OpenMAX IL headers not found"; } && enable omx
-enabled openssl           && { check_pkg_config openssl openssl openssl/ssl.h OPENSSL_init_ssl ||
-                                 check_pkg_config openssl openssl openssl/ssl.h SSL_library_init; } ||
+enabled openssl           && { check_pkg_config openssl openssl openssl/ssl.h OPENSSL_init_ssl ||
+                               check_pkg_config openssl openssl openssl/ssl.h SSL_library_init ||
                                check_lib openssl openssl/ssl.h SSL_library_init -lssl -lcrypto ||
                                check_lib openssl openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
                                check_lib openssl openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
                                die "ERROR: openssl not found"; }
+enabled rkmpp             && { require_pkg_config rkmpp rockchip_mpp  rockchip/rk_mpi.h mpp_create &&
+                               require_pkg_config rockchip_mpp "rockchip_mpp >= 1.3.7" rockchip/rk_mpi.h mpp_create &&
+                               { enabled libdrm ||
+                                 die "ERROR: rkmpp requires --enable-libdrm"; }
+                             }
+enabled vapoursynth       && require_pkg_config vapoursynth "vapoursynth-script >= 42" VSScript.h vsscript_init
+
+
+if enabled gcrypt; then
+    GCRYPT_CONFIG="${cross_prefix}libgcrypt-config"
+    if "${GCRYPT_CONFIG}" --version > /dev/null 2>&1; then
+        gcrypt_cflags=$("${GCRYPT_CONFIG}" --cflags)
+        gcrypt_extralibs=$("${GCRYPT_CONFIG}" --libs)
+        check_func_headers gcrypt.h gcry_mpi_new $gcrypt_cflags $gcrypt_extralibs ||
+            die "ERROR: gcrypt not found"
+        add_cflags $gcrypt_cflags
+    else
+        require gcrypt gcrypt.h gcry_mpi_new -lgcrypt
+    fi
+fi
+
+if enabled sdl2; then
+    SDL2_CONFIG="${cross_prefix}sdl2-config"
+    test_pkg_config sdl2 "sdl2 >= 2.0.1 sdl2 < 2.1.0" SDL_events.h SDL_PollEvent
+    if disabled sdl2 && "${SDL2_CONFIG}" --version > /dev/null 2>&1; then
+        sdl2_cflags=$("${SDL2_CONFIG}" --cflags)
+        sdl2_extralibs=$("${SDL2_CONFIG}" --libs)
+        test_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x020001" $sdl2_cflags &&
+        test_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x020100" $sdl2_cflags &&
+        check_func_headers SDL_events.h SDL_PollEvent $sdl2_extralibs $sdl2_cflags &&
+            enable sdl2
+    fi
+    if test $target_os = "mingw32"; then
+        sdl2_extralibs=$(filter_out '-mwindows' $sdl2_extralibs)
+    fi
+fi
 
-# SDL adds some CFLAGS that should not be part of the general CFLAGS.
-enabled avplay &&
-    test_pkg_config sdl "sdl >= 1.2.1 sdl < 1.3.0" SDL_events.h SDL_PollEvent
+if enabled decklink; then
+    case $target_os in
+        mingw32*|mingw64*|win32|win64)
+            decklink_outdev_extralibs="$decklink_outdev_extralibs -lole32 -loleaut32"
+            decklink_indev_extralibs="$decklink_indev_extralibs -lole32 -loleaut32"
+            ;;
+    esac
+fi
 
+enabled securetransport &&
+    check_func SecIdentityCreate "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&
+    check_lib securetransport "Security/SecureTransport.h Security/Security.h" "SSLCreateContext" "-Wl,-framework,CoreFoundation -Wl,-framework,Security" ||
+        disable securetransport
+
+enabled securetransport &&
+    check_func SecItemImport "-Wl,-framework,CoreFoundation -Wl,-framework,Security"
+
+enabled schannel &&
+    check_func_headers "windows.h security.h" InitializeSecurityContext -DSECURITY_WIN32 -lsecur32 &&
+    test_cpp_condition winerror.h "defined(SEC_I_CONTEXT_EXPIRED)" &&
+    schannel_extralibs="-lsecur32" ||
+        disable schannel
+
+makeinfo --version > /dev/null 2>&1 && enable makeinfo  || disable makeinfo
+enabled makeinfo \
+    && [ 0$(makeinfo --version | grep "texinfo" | sed 's/.*texinfo[^0-9]*\([0-9]*\)\..*/\1/') -ge 5 ] \
+    && enable makeinfo_html || disable makeinfo_html
+disabled makeinfo_html && texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
+perl -v            > /dev/null 2>&1 && enable perl      || disable perl
+pod2man --help     > /dev/null 2>&1 && enable pod2man   || disable pod2man
+rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout
+
+# check V4L2 codecs available in the API
 check_headers linux/fb.h
 check_headers linux/videodev2.h
-check_struct linux/videodev2.h "struct v4l2_frmivalenum" discrete
-
-check_headers AVFoundation/AVFoundation.h
+test_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_sanitized struct_v4l2_frmivalenum_discrete
+check_cc v4l2_m2m linux/videodev2.h "int i = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_VIDEO_M2M | V4L2_BUF_FLAG_LAST;"
+check_cc vc1_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_VC1_ANNEX_G;"
+check_cc mpeg1_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG1;"
+check_cc mpeg2_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG2;"
+check_cc mpeg4_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG4;"
+check_cc hevc_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_HEVC;"
+check_cc h263_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_H263;"
+check_cc h264_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_H264;"
+check_cc vp8_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_VP8;"
+check_cc vp9_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_VP9;"
 
 check_headers sys/videoio.h
+test_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_sanitized struct_v4l2_frmivalenum_discrete
 
 check_lib user32 "windows.h winuser.h" GetShellWindow -luser32
 check_lib vfw32 "windows.h vfw.h" capCreateCaptureWindow -lvfw32
@@ -4747,37 +6305,50 @@ check_lib vfw32 "windows.h vfw.h" capCreateCaptureWindow -lvfw32
 # w32api 3.12 had it defined wrong
 check_cpp_condition vfwcap_defines vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER"
 
+check_type "dshow.h" IBaseFilter
+
 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
 check_headers "dev/bktr/ioctl_meteor.h dev/bktr/ioctl_bt848.h"                   ||
     check_headers "machine/ioctl_meteor.h machine/ioctl_bt848.h"                 ||
     check_headers "dev/video/meteor/ioctl_meteor.h dev/video/bktr/ioctl_bt848.h" ||
     check_headers "dev/ic/bt8xx.h"
 
-check_headers sys/soundcard.h
+if check_struct sys/soundcard.h audio_buf_info bytes; then
+    enable_sanitized sys/soundcard.h
+else
+    test_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_sanitized sys/soundcard.h
+    #include <sys/soundcard.h>
+    audio_buf_info abc;
+EOF
+fi
 
-enabled alsa_indev &&
+enabled alsa && check_pkg_config alsa alsa "alsa/asoundlib.h" snd_pcm_htimestamp ||
     check_lib alsa alsa/asoundlib.h snd_pcm_htimestamp -lasound
 
 enabled libjack &&
     require_pkg_config libjack jack jack/jack.h jack_port_get_latency_range
 
-enabled sndio_indev && check_lib sndio sndio.h sio_open -lsndio
+enabled sndio && check_lib sndio sndio.h sio_open -lsndio
 
 if enabled libcdio; then
+    check_pkg_config libcdio libcdio_paranoia "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open ||
+    check_pkg_config libcdio libcdio_paranoia "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open ||
     check_lib libcdio "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
     check_lib libcdio "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
     die "ERROR: No usable libcdio/cdparanoia found"
 fi
 
+enabled libxcb && check_pkg_config libxcb "xcb >= 1.4" xcb/xcb.h xcb_connect ||
+    disable libxcb_shm libxcb_shape libxcb_xfixes
+
 if enabled libxcb; then
-    require_pkg_config libxcb xcb xcb/xcb.h xcb_connect
-    require_pkg_config libxcb_shape xcb-shape xcb/shape.h xcb_shape_rectangles
-    disabled libxcb_shm ||
-        check_pkg_config libxcb_shm xcb-shm xcb/shm.h xcb_shm_attach
-    disabled libxcb_xfixes ||
-        check_pkg_config libxcb_xfixes xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image
+    enabled libxcb_shm    && check_pkg_config libxcb_shm    xcb-shm    xcb/shm.h    xcb_shm_attach
+    enabled libxcb_shape  && check_pkg_config libxcb_shape  xcb-shape  xcb/shape.h  xcb_shape_get_rectangles
+    enabled libxcb_xfixes && check_pkg_config libxcb_xfixes xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image
 fi
 
+check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs"
+
 # d3d11va requires linking directly to dxgi and d3d11 if not building for
 # the desktop api partition
 test_cpp <<EOF && enable uwp && d3d11va_extralibs="-ldxgi -ld3d11"
@@ -4793,17 +6364,42 @@ test_cpp <<EOF && enable uwp && d3d11va_extralibs="-ldxgi -ld3d11"
 #endif
 EOF
 
-enabled vaapi && require vaapi va/va.h vaInitialize -lva
+enabled vaapi &&
+    check_lib vaapi va/va.h vaInitialize -lva
+
+enabled vaapi &&
+    check_cc vaapi "va/va.h" "vaCreateSurfaces(0, 0, 0, 0, 0, 0, 0, 0)"
 
 if enabled vaapi; then
-     require_cc vaapi "va/va.h" "vaCreateSurfaces(0, 0, 0, 0, 0, 0, 0, 0)"
-     check_lib vaapi_drm "va/va.h va/va_drm.h" vaGetDisplayDRM -lva -lva-drm
-     check_lib vaapi_x11 "va/va.h va/va_x11.h" vaGetDisplay -lva -lva-x11 -lX11
+    check_lib vaapi_drm "va/va.h va/va_drm.h" vaGetDisplayDRM -lva -lva-drm
+    check_lib vaapi_x11 "va/va.h va/va_x11.h" vaGetDisplay -lva -lva-x11 -lX11
 fi
 
 enabled vaapi &&
-    test_cpp_condition "va/va.h" "VA_CHECK_VERSION(1, 0, 0)" &&
-    enable vaapi_1
+    check_cpp_condition vaapi_1 "va/va.h" "VA_CHECK_VERSION(1, 0, 0)"
+
+if enabled_all opencl libdrm ; then
+    check_type "CL/cl_intel.h" "clCreateImageFromFdINTEL_fn" &&
+        enable opencl_drm_beignet
+    check_func_headers "CL/cl_ext.h" clImportMemoryARM &&
+        enable opencl_drm_arm
+fi
+
+if enabled_all opencl vaapi ; then
+    enabled opencl_drm_beignet && enable opencl_vaapi_beignet
+    check_type "CL/cl.h CL/va_ext.h" "clCreateFromVA_APIMediaSurfaceINTEL_fn" &&
+        enable opencl_vaapi_intel_media
+fi
+
+if enabled_all opencl dxva2 ; then
+    check_type "CL/cl_dx9_media_sharing.h" cl_dx9_surface_info_khr &&
+        enable opencl_dxva2
+fi
+
+if enabled_all opencl d3d11va ; then
+    check_type "CL/cl_d3d11.h" clGetDeviceIDsFromD3D11KHR_fn &&
+        enable opencl_d3d11
+fi
 
 enabled vdpau &&
     check_cpp_condition vdpau vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP"
@@ -4811,6 +6407,41 @@ enabled vdpau &&
 enabled vdpau &&
     check_lib vdpau_x11 "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau -lX11
 
+enabled crystalhd && check_lib crystalhd "stdint.h libcrystalhd/libcrystalhd_if.h" DtsCrystalHDVersion -lcrystalhd
+
+if enabled x86; then
+    case $target_os in
+        mingw32*|mingw64*|win32|win64|linux|cygwin*)
+            ;;
+        *)
+            disable ffnvcodec cuvid nvdec nvenc
+            ;;
+    esac
+else
+    disable ffnvcodec cuvid nvdec nvenc
+fi
+
+enabled ffnvcodec && enable cuda
+
+enabled nvenc &&
+    test_cc -I$source_path <<EOF || disable nvenc
+#include <ffnvcodec/nvEncodeAPI.h>
+NV_ENCODE_API_FUNCTION_LIST flist;
+void f(void) { struct { const GUID guid; } s[] = { { NV_ENC_PRESET_HQ_GUID } }; }
+int main(void) { return 0; }
+EOF
+
+enabled amf &&
+    check_cpp_condition amf "AMF/core/Version.h" \
+        "(AMF_VERSION_MAJOR << 48 | AMF_VERSION_MINOR << 32 | AMF_VERSION_RELEASE << 16 | AMF_VERSION_BUILD_NUM) >= 0x0001000400040001"
+
+# Funny iconv installations are not unusual, so check it after all flags have been set
+if enabled libc_iconv; then
+    check_func_headers iconv.h iconv
+elif enabled iconv; then
+    check_func_headers iconv.h iconv || check_lib iconv iconv.h iconv -liconv
+fi
+
 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
 
 # add some useful compiler flags if supported
@@ -4823,7 +6454,9 @@ 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
+check_cflags -Wempty-body
 
 if enabled extra_warnings; then
     check_cflags -Wcast-qual
@@ -4833,13 +6466,20 @@ fi
 
 check_disable_warning(){
     warning_flag=-W${1#-Wno-}
-    test_cflags $warning_flag && add_cflags $1
+    test_cflags $unknown_warning_flags $warning_flag && add_cflags $1
 }
 
+test_cflags -Werror=unused-command-line-argument &&
+    append unknown_warning_flags "-Werror=unused-command-line-argument"
+test_cflags -Werror=unknown-warning-option &&
+    append unknown_warning_flags "-Werror=unknown-warning-option"
+
 check_disable_warning -Wno-parentheses
 check_disable_warning -Wno-switch
 check_disable_warning -Wno-format-zero-length
 check_disable_warning -Wno-pointer-sign
+check_disable_warning -Wno-unused-const-variable
+check_disable_warning -Wno-bool-operation
 
 check_disable_warning_headers(){
     warning_flag=-W${1#-Wno-}
@@ -4849,21 +6489,18 @@ check_disable_warning_headers(){
 check_disable_warning_headers -Wno-deprecated-declarations
 check_disable_warning_headers -Wno-unused-variable
 
-check_objcflags -fobjc-arc && enable objc_arc
-
 test_cc <<EOF && enable blocks_extension
 void (^block)(void);
 EOF
 
 # 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
 enabled rpath && add_ldexeflags -Wl,-rpath,$libdir && add_ldsoflags -Wl,-rpath,$libdir
 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
 
 # add some strip flags
-# -wN '..@*' is more selective than -x, but not available everywhere.
-check_stripflags -wN \'..@*\' || check_stripflags -x || strip='true'
+check_stripflags -x
 
 enabled neon_clobber_test &&
     check_ldflags -Wl,--wrap,avcodec_open2              \
@@ -4877,6 +6514,7 @@ enabled neon_clobber_test &&
                   -Wl,--wrap,avcodec_receive_packet     \
                   -Wl,--wrap,avcodec_send_frame         \
                   -Wl,--wrap,avcodec_receive_frame      \
+                  -Wl,--wrap,swr_convert                \
                   -Wl,--wrap,avresample_convert ||
     disable neon_clobber_test
 
@@ -4892,11 +6530,12 @@ enabled xmm_clobber_test &&
                   -Wl,--wrap,avcodec_receive_packet     \
                   -Wl,--wrap,avcodec_send_frame         \
                   -Wl,--wrap,avcodec_receive_frame      \
+                  -Wl,--wrap,swr_convert                \
                   -Wl,--wrap,avresample_convert         \
                   -Wl,--wrap,sws_scale ||
     disable xmm_clobber_test
 
-check_ld proper_dce <<EOF
+check_ld "cc" proper_dce <<EOF
 extern const int array[512];
 static inline int func(void) { return array[0]; }
 int main(void) { return 0; }
@@ -4928,6 +6567,16 @@ if [ -z "$optflags" ]; then
     fi
 fi
 
+if [ -z "$nvccflags" ]; then
+    nvccflags=$nvccflags_default
+fi
+
+if enabled x86_64 || enabled ppc64 || enabled aarch64; then
+    nvccflags="$nvccflags -m64"
+else
+    nvccflags="$nvccflags -m32"
+fi
+
 check_optflags(){
     check_cflags "$@"
     enabled lto && check_ldflags "$@"
@@ -4941,24 +6590,37 @@ if enabled lto; then
     test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
     check_cflags  -flto
     check_ldflags -flto $cpuflags
+    disable inline_asm_direct_symbol_refs
 fi
 
+enabled ftrapv && check_cflags -ftrapv
+
+test_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
+int x;
+EOF
+
+
 if enabled icc; then
     # Just warnings, no remarks
     check_cflags -w1
     # -wd: Disable following warnings
     # 144, 167, 556: -Wno-pointer-sign
+    # 188: enumerated type mixed with another type
     # 1292: attribute "foo" ignored
     # 1419: external declaration in primary source file
     # 10006: ignoring unknown option -fno-signed-zeros
     # 10148: ignoring unknown option -Wno-parentheses
     # 10156: ignoring option '-W'; no argument required
-    check_cflags -wd144,167,556,1292,1419,10006,10148,10156
+    # 13200: No EMMS instruction before call to function
+    # 13203: No EMMS instruction before return from function
+    check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156,13200,13203
     # 11030: Warning unknown option --as-needed
     # 10156: ignoring option '-export'; no argument required
     check_ldflags -wd10156,11030
     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
     enable ebp_available
+    # The test above does not test linking
+    enabled lto && disable symver_asm_label
     if enabled x86_32; then
         icc_version=$($cc -dumpversion)
         test ${icc_version%%.*} -ge 11 &&
@@ -4967,12 +6629,12 @@ if enabled icc; then
     fi
 elif enabled gcc; then
     check_optflags -fno-tree-vectorize
+    check_cflags -Werror=format-security
     check_cflags -Werror=implicit-function-declaration
     check_cflags -Werror=missing-prototypes
     check_cflags -Werror=return-type
-    check_cflags -Werror=declaration-after-statement
     check_cflags -Werror=vla
-    check_cflags -Werror=format-security
+    check_cflags -Wformat
     check_cflags -fdiagnostics-color=auto
     enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized
     if enabled x86_32; then
@@ -5001,10 +6663,12 @@ elif enabled clang; then
             ;;
         *)
             check_cflags -mllvm -stack-alignment=16
+            check_cflags -mstack-alignment=16
             ;;
         esac
     else
         check_cflags -mllvm -stack-alignment=16
+        check_cflags -mstack-alignment=16
     fi
     check_cflags -Qunused-arguments
     check_cflags -Werror=implicit-function-declaration
@@ -5036,9 +6700,11 @@ elif enabled_any msvc icl; then
         # (correctly) on icl 13.x.
         test_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&
             add_cflags -Qansi-alias
-        # icl will pass the inline asm tests but inline asm is currently
-        # not supported (build will fail)
-        disable inline_asm
+        # Some inline asm is not compilable in debug
+        if enabled debug; then
+            disable ebp_available
+            disable ebx_available
+        fi
     fi
     # msvcrt10 x64 incorrectly enables log2, only msvcrt12 (MSVC 2013) onwards actually has log2.
     check_cpp_condition log2 crtversion.h "_VC_CRT_MAJOR_VERSION >= 12"
@@ -5053,6 +6719,13 @@ elif enabled_any msvc icl; then
 __declspec($restrict_keyword) void *foo(int);
 EOF
     fi
+    # the new SSA optimzer in VS2015 U3 is mis-optimizing some parts of the code
+    # Issue has been fixed in MSVC v19.00.24218.
+    test_cpp_condition windows.h "_MSC_FULL_VER >= 190024218" ||
+        check_cflags -d2SSAOptimizer-
+    # enable utf-8 source processing on VS2015 U2 and newer
+    test_cpp_condition windows.h "_MSC_FULL_VER >= 190023918" &&
+        add_cflags -utf-8
 fi
 
 for pfx in "" host_; do
@@ -5077,25 +6750,37 @@ case $ld_type in
     ;;
 esac
 
-enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
+enable frame_thread_encoder
 
-check_cmd pod2man --help
-check_cmd texi2html -version
+enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
 
 check_deps $CONFIG_LIST       \
            $CONFIG_EXTRA      \
            $HAVE_LIST         \
            $ALL_COMPONENTS    \
 
+enabled threads && ! enabled pthreads && ! enabled atomics_native && die "non pthread threading without atomics not supported, try adding --enable-pthreads or --cpu=i486 or higher if you are on x86"
+enabled avresample && warn "Building with deprecated library libavresample"
+
+if test $target_os = "haiku"; then
+    disable memalign
+    disable posix_memalign
+fi
+
 flatten_extralibs(){
-    unset nested_entries
+    nested_entries=
     list_name=$1
     eval list=\$${1}
     for entry in $list; do
         entry_copy=$entry
         resolve entry_copy
-        append nested_entries $(filter '*_extralibs' $entry_copy)
-        flat_entries=$(filter_out '*_extralibs' $entry_copy)
+        flat_entries=
+        for e in $entry_copy; do
+            case $e in
+                *_extralibs) nested_entries="$nested_entries$e ";;
+                          *) flat_entries="$flat_entries$e ";;
+            esac
+        done
         eval $entry="\$flat_entries"
     done
     append $list_name "$nested_entries"
@@ -5106,6 +6791,15 @@ flatten_extralibs(){
     fi
 }
 
+flatten_extralibs_wrapper(){
+    list_name=$1
+    flatten_extralibs $list_name
+    unique $list_name
+    resolve $list_name
+    eval $list_name=\$\(\$ldflags_filter \$$list_name\)
+    eval printf \''%s'\' \""\$$list_name"\"
+}
+
 for linkunit in $LIBRARY_LIST; do
     unset current_extralibs
     eval components=\$$(toupper ${linkunit})_COMPONENTS_LIST
@@ -5118,10 +6812,7 @@ for linkunit in $LIBRARY_LIST; do
 done
 
 for linkunit in $LIBRARY_LIST $PROGRAM_LIST $EXTRALIBS_LIST; do
-    flatten_extralibs ${linkunit}_extralibs
-    unique  ${linkunit}_extralibs
-    resolve ${linkunit}_extralibs
-    eval ${linkunit}_extralibs=\$\(\$ldflags_filter \$${linkunit}_extralibs\)
+    eval ${linkunit}_extralibs=\$\(flatten_extralibs_wrapper ${linkunit}_extralibs\)
 done
 
 map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST
@@ -5150,23 +6841,91 @@ if disabled stdatomic; then
     fi
 fi
 
+# Check if requested libraries were found.
+for lib in $AUTODETECT_LIBS; do
+    requested $lib && ! enabled $lib && die "ERROR: $lib requested but not found";
+done
+
 enabled zlib && add_cppflags -DZLIB_CONST
 
-# conditional library dependencies, in linking order
+# conditional library dependencies, in any order
+enabled afftfilt_filter     && prepend avfilter_deps "avcodec"
+enabled afir_filter         && prepend avfilter_deps "avcodec"
+enabled amovie_filter       && prepend avfilter_deps "avformat avcodec"
+enabled aresample_filter    && prepend avfilter_deps "swresample"
+enabled atempo_filter       && prepend avfilter_deps "avcodec"
+enabled cover_rect_filter   && prepend avfilter_deps "avformat avcodec"
+enabled convolve_filter     && prepend avfilter_deps "avcodec"
+enabled deconvolve_filter   && prepend avfilter_deps "avcodec"
+enabled ebur128_filter && enabled swresample && prepend avfilter_deps "swresample"
+enabled elbg_filter         && prepend avfilter_deps "avcodec"
+enabled fftfilt_filter      && prepend avfilter_deps "avcodec"
+enabled find_rect_filter    && prepend avfilter_deps "avformat avcodec"
+enabled firequalizer_filter && prepend avfilter_deps "avcodec"
+enabled mcdeint_filter      && prepend avfilter_deps "avcodec"
 enabled movie_filter    && prepend avfilter_deps "avformat avcodec"
-enabled_any asyncts_filter resample_filter &&
-                           prepend avfilter_deps "avresample"
+enabled pan_filter          && prepend avfilter_deps "swresample"
+enabled pp_filter           && prepend avfilter_deps "postproc"
+enabled removelogo_filter   && prepend avfilter_deps "avformat avcodec swscale"
+enabled resample_filter && prepend avfilter_deps "avresample"
+enabled sab_filter          && prepend avfilter_deps "swscale"
 enabled scale_filter    && prepend avfilter_deps "swscale"
+enabled scale2ref_filter    && prepend avfilter_deps "swscale"
+enabled sofalizer_filter    && prepend avfilter_deps "avcodec"
+enabled showcqt_filter      && prepend avfilter_deps "avformat avcodec swscale"
+enabled showfreqs_filter    && prepend avfilter_deps "avcodec"
+enabled showspectrum_filter && prepend avfilter_deps "avcodec"
+enabled signature_filter    && prepend avfilter_deps "avcodec avformat"
+enabled smartblur_filter    && prepend avfilter_deps "swscale"
+enabled spectrumsynth_filter && prepend avfilter_deps "avcodec"
+enabled spp_filter          && prepend avfilter_deps "avcodec"
+enabled sr_filter           && prepend avfilter_deps "avformat swscale"
+enabled subtitles_filter    && prepend avfilter_deps "avformat avcodec"
+enabled uspp_filter         && prepend avfilter_deps "avcodec"
+enabled zoompan_filter      && prepend avfilter_deps "swscale"
+
+enabled lavfi_indev         && prepend avdevice_deps "avfilter"
+
+#FIXME
+enabled sdl2_outdev     && add_cflags $(filter_out '-Dmain=SDL_main' $sdl2_cflags)
+
+enabled opus_decoder    && prepend avcodec_deps "swresample"
+
+# reorder the items at var $1 to align with the items order at var $2 .
+# die if an item at $1 is not at $2 .
+reorder_by(){
+    eval rb_in=\$$1
+    eval rb_ordered=\$$2
+
+    for rb in $rb_in; do
+        is_in $rb $rb_ordered || die "$rb at \$$1 is not at \$$2"
+    done
 
-enabled opus_decoder    && prepend avcodec_deps "avresample"
+    rb_out=
+    for rb in $rb_ordered; do
+        is_in $rb $rb_in && rb_out="$rb_out$rb "
+    done
+    eval $1=\$rb_out
+}
 
+# deps-expand fflib $1:  N x {append all expanded deps; unique}
+# within a set of N items, N expansions are enough to expose a cycle.
 expand_deps(){
-    lib_deps=${1}_deps
-    eval "deps=\$$lib_deps"
-    append $lib_deps $(map 'eval echo \$${v}_deps' $deps)
-    unique $lib_deps
+    unique ${1}_deps  # required for the early break test.
+    for dummy in $LIBRARY_LIST; do  # N iteratios
+        eval deps=\$${1}_deps
+        append ${1}_deps $(map 'eval echo \$${v}_deps' $deps)
+        unique ${1}_deps
+        eval '[ ${#deps} = ${#'${1}_deps'} ]' && break  # doesn't expand anymore
+    done
+
+    eval is_in $1 \$${1}_deps && die "Dependency cycle at ${1}_deps"
+    reorder_by ${1}_deps LIBRARY_LIST  # linking order is expected later
 }
 
+#we have to remove gpl from the deps here as some code assumes all lib deps are libs
+postproc_deps="$(filter_out 'gpl' $postproc_deps)"
+
 map 'expand_deps $v' $LIBRARY_LIST
 
 if test "$quiet" != "yes"; then
@@ -5180,6 +6939,12 @@ if test "$host_cc" != "$cc"; then
     echo "host C library            $host_libc_type"
 fi
 echo "ARCH                      $arch ($cpu)"
+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
@@ -5194,7 +6959,10 @@ if enabled x86; then
     echo "3DNow! extended enabled   ${amd3dnowext-no}"
     echo "SSE enabled               ${sse-no}"
     echo "SSSE3 enabled             ${ssse3-no}"
+    echo "AESNI enabled             ${aesni-no}"
     echo "AVX enabled               ${avx-no}"
+    echo "AVX2 enabled              ${avx2-no}"
+    echo "AVX-512 enabled           ${avx512-no}"
     echo "XOP enabled               ${xop-no}"
     echo "FMA3 enabled              ${fma3-no}"
     echo "FMA4 enabled              ${fma4-no}"
@@ -5213,6 +6981,14 @@ if enabled arm; then
     echo "ARMv6T2 enabled           ${armv6t2-no}"
     echo "VFP enabled               ${vfp-no}"
     echo "NEON enabled              ${neon-no}"
+    echo "THUMB enabled             ${thumb-no}"
+fi
+if enabled mips; then
+    echo "MIPS FPU enabled          ${mipsfpu-no}"
+    echo "MIPS DSP R1 enabled       ${mipsdsp-no}"
+    echo "MIPS DSP R2 enabled       ${mipsdspr2-no}"
+    echo "MIPS MSA enabled          ${msa-no}"
+    echo "LOONGSON MMI enabled      ${mmi-no}"
 fi
 if enabled ppc; then
     echo "AltiVec enabled           ${altivec-no}"
@@ -5222,40 +6998,51 @@ if enabled ppc; then
     echo "dcbzl available           ${dcbzl-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 "network support           ${network-no}"
 echo "threading support         ${thread_type-no}"
 echo "safe bitstream reader     ${safe_bitstream_reader-no}"
+echo "texi2html enabled         ${texi2html-no}"
+echo "perl enabled              ${perl-no}"
+echo "pod2man enabled           ${pod2man-no}"
+echo "makeinfo enabled          ${makeinfo-no}"
+echo "makeinfo supports HTML    ${makeinfo_html-no}"
+test -n "$random_seed" &&
+    echo "random seed               ${random_seed}"
+echo
 
 echo "External libraries:"
-print_enabled '' $EXTERNAL_LIBRARY_LIST | print_3_columns
+print_enabled '' $EXTERNAL_LIBRARY_LIST $EXTERNAL_AUTODETECT_LIBRARY_LIST | print_in_columns
 echo
+
 echo "External libraries providing hardware acceleration:"
-print_enabled '' $HWACCEL_LIBRARY_LIST | print_3_columns
+print_enabled '' $HWACCEL_LIBRARY_LIST $HWACCEL_AUTODETECT_LIBRARY_LIST | print_in_columns
 echo
 
 echo "Libraries:"
-print_enabled '' $LIBRARY_LIST | print_3_columns
+print_enabled '' $LIBRARY_LIST | print_in_columns
 echo
 
 echo "Programs:"
-print_enabled '' $PROGRAM_LIST | print_3_columns
+print_enabled '' $PROGRAM_LIST | print_in_columns
 echo
 
-for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev; do
+for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
     echo "Enabled ${type}s:"
     eval list=\$$(toupper $type)_LIST
-    print_enabled '_*' $list | print_3_columns
+    print_enabled '_*' $list | print_in_columns
     echo
 done
 
 if test -n "$ignore_tests"; then
     ignore_tests=$(echo $ignore_tests | tr ',' ' ')
     echo "Ignored FATE tests:"
-    echo $ignore_tests | print_3_columns
+    echo $ignore_tests | print_in_columns
     echo
 fi
 
@@ -5263,7 +7050,10 @@ echo "License: $license"
 
 fi # test "$quiet" != "yes"
 
-test -n "$WARNINGS" && printf "\n$WARNINGS"
+if test -n "$WARNINGS"; then
+    printf "\n%s%s$WARNINGS%s" "$warn_color" "$bold_color" "$reset_color"
+    enabled fatal_warnings && exit 1
+fi
 
 test -e Makefile || echo "include $source_path/Makefile" > Makefile
 
@@ -5271,13 +7061,18 @@ esc(){
     echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
 }
 
-echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $LIBAV_CONFIGURATION)" > avbuild/config.fate
+echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" > ffbuild/config.fate
+
+enabled stripping || strip="echo skipping strip"
+enabled stripping || striptype=""
 
-config_files="$TMPH avbuild/config.mak"
+config_files="$TMPH ffbuild/config.mak doc/config.texi"
 
-cat > avbuild/config.mak <<EOF
+cat > ffbuild/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)$shlibdir
@@ -5286,12 +7081,19 @@ BINDIR=\$(DESTDIR)$bindir
 DATADIR=\$(DESTDIR)$datadir
 DOCDIR=\$(DESTDIR)$docdir
 MANDIR=\$(DESTDIR)$mandir
+PKGCONFIGDIR=\$(DESTDIR)$pkgconfigdir
+INSTALL_NAME_DIR=$install_name_dir
 SRC_PATH=$source_path
+SRC_LINK=$source_link
+ifndef MAIN_MAKEFILE
+SRC_PATH:=\$(SRC_PATH:.%=..%)
+endif
 CC_IDENT=$cc_ident
 ARCH=$arch
 INTRINSICS=$intrinsics
 EXTERN_PREFIX=$extern_prefix
 CC=$cc
+CXX=$cxx
 AS=$as
 OBJCC=$objcc
 LD=$ld
@@ -5309,11 +7111,16 @@ AR_CMD=$ar
 NM_CMD=$nm
 RANLIB=$ranlib
 STRIP=$strip
+STRIPTYPE=$striptype
+NVCC=$nvcc
+CP=cp -p
 LN_S=$ln_s
 CPPFLAGS=$CPPFLAGS
 CFLAGS=$CFLAGS
+CXXFLAGS=$CXXFLAGS
 OBJCFLAGS=$OBJCFLAGS
 ASFLAGS=$ASFLAGS
+NVCCFLAGS=$nvccflags
 AS_C=$AS_C
 AS_O=$AS_O
 OBJCC_C=$OBJCC_C
@@ -5322,17 +7129,27 @@ OBJCC_O=$OBJCC_O
 CC_C=$CC_C
 CC_E=$CC_E
 CC_O=$CC_O
-X86ASM_O=$X86ASM_O
+CXX_C=$CXX_C
+CXX_O=$CXX_O
+NVCC_C=$NVCC_C
+NVCC_O=$NVCC_O
 LD_O=$LD_O
+X86ASM_O=$X86ASM_O
 LD_LIB=$LD_LIB
 LD_PATH=$LD_PATH
 DLLTOOL=$dlltool
+WINDRES=$windres
+DEPWINDRES=$dep_cc
+DOXYGEN=$doxygen
 LDFLAGS=$LDFLAGS
 LDEXEFLAGS=$LDEXEFLAGS
 LDSOFLAGS=$LDSOFLAGS
 SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
-STRIPFLAGS=$STRIPFLAGS
+ASMSTRIPFLAGS=$ASMSTRIPFLAGS
 X86ASMFLAGS=$X86ASMFLAGS
+BUILDSUF=$build_suffix
+PROGSSUF=$progs_suffix
+FULLNAME=$FULLNAME
 LIBPREF=$LIBPREF
 LIBSUF=$LIBSUF
 LIBNAME=$LIBNAME
@@ -5341,6 +7158,7 @@ SLIBSUF=$SLIBSUF
 EXESUF=$EXESUF
 EXTRA_VERSION=$extra_version
 CCDEP=$CCDEP
+CXXDEP=$CXXDEP
 CCDEP_FLAGS=$CCDEP_FLAGS
 ASDEP=$ASDEP
 ASDEP_FLAGS=$ASDEP_FLAGS
@@ -5367,12 +7185,12 @@ HOSTLD_O=$HOSTLD_O
 TARGET_EXEC=$target_exec $target_exec_args
 TARGET_PATH=$target_path
 TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}
-CFLAGS-avplay=$sdl_cflags
+CFLAGS-ffplay=${sdl2_cflags}
 CFLAGS_HEADERS=$CFLAGS_HEADERS
 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
 EXTRALIBS=$extralibs
 COMPAT_OBJS=$compat_objs
-INSTALL=install
+INSTALL=$install
 LIBTARGET=${LIBTARGET}
 SLIBNAME=${SLIBNAME}
 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
@@ -5384,31 +7202,39 @@ SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
 VERSION_SCRIPT_POSTPROCESS_CMD=${VERSION_SCRIPT_POSTPROCESS_CMD}
-SAMPLES:=${samples:-\$(LIBAV_SAMPLES)}
+SAMPLES:=${samples:-\$(FATE_SAMPLES)}
+NOREDZONE_FLAGS=$noredzone_flags
+LIBFUZZER_PATH=$libfuzzer_path
 IGNORE_TESTS=$ignore_tests
 EOF
 
-map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> avbuild/config.mak' $LIBRARY_LIST
+map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> ffbuild/config.mak' $LIBRARY_LIST
 
 for entry in $LIBRARY_LIST $PROGRAM_LIST $EXTRALIBS_LIST; do
-    eval echo "EXTRALIBS-${entry}=\$${entry}_extralibs" >> avbuild/config.mak
+    eval echo "EXTRALIBS-${entry}=\$${entry}_extralibs" >> ffbuild/config.mak
 done
 
 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 $license)"
+#define CONFIG_THIS_YEAR 2018
+#define FFMPEG_DATADIR "$(eval c_escape $datadir)"
 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
+#define av_restrict $restrict_keyword
 #define EXTERN_PREFIX "${extern_prefix}"
 #define EXTERN_ASM ${extern_prefix}
+#define BUILDSUF "$build_suffix"
 #define SLIBSUF "$SLIBSUF"
+#define HAVE_MMX2 HAVE_MMXEXT
+#define SWS_MAX_FILTER_SIZE $sws_max_filter_size
 EOF
 
-test $restrict_keyword != restrict &&
-    echo "#define restrict $restrict_keyword" >> $TMPH
+test -n "$assert_level" &&
+    echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
 
 test -n "$malloc_prefix" &&
     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
@@ -5422,22 +7248,29 @@ fi
 
 enabled getenv || echo "#define getenv(x) NULL" >> $TMPH
 
+
+mkdir -p doc
+mkdir -p tests
+mkdir -p tests/api
+echo "@c auto-generated by configure - do not modify! " > doc/config.texi
+
 print_config ARCH_   "$config_files" $ARCH_LIST
 print_config HAVE_   "$config_files" $HAVE_LIST
 print_config CONFIG_ "$config_files" $CONFIG_LIST       \
                                      $CONFIG_EXTRA      \
                                      $ALL_COMPONENTS    \
 
-echo "#endif /* LIBAV_CONFIG_H */" >> $TMPH
+echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
+echo "endif # FFMPEG_CONFIG_MAK" >> ffbuild/config.mak
 
 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
 cp_if_changed $TMPH config.h
-touch avbuild/.config
+touch ffbuild/.config
 
 enabled x86asm && cp_if_changed $TMPASM config.asm
 
 cat > $TMPH <<EOF
-/* Generated by libav configure */
+/* Generated by ffmpeg configure */
 #ifndef AVUTIL_AVCONFIG_H
 #define AVUTIL_AVCONFIG_H
 EOF
@@ -5448,6 +7281,11 @@ echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
 
 cp_if_changed $TMPH libavutil/avconfig.h
 
+# full_filter_name_foo=vf_foo
+# full_filter_name_bar=asrc_bar
+# ...
+eval "$(sed -n "s/^extern AVFilter ff_\([avfsinkrc]\{2,5\}\)_\(.*\);/full_filter_name_\2=\1_\2/p" $source_path/libavfilter/allfilters.c)"
+
 # generate the lists of enabled components
 print_enabled_components(){
     file=$1
@@ -5456,13 +7294,38 @@ print_enabled_components(){
     shift 3
     echo "static const $struct_name * const $name[] = {" > $TMPH
     for c in $*; do
-        enabled $c && printf "    &ff_%s,\n" $c >> $TMPH
+        if enabled $c; then
+            case $name in
+                filter_list)
+                    eval c=\$full_filter_name_${c%_filter}
+                ;;
+                indev_list)
+                    c=${c%_indev}_demuxer
+                ;;
+                outdev_list)
+                    c=${c%_outdev}_muxer
+                ;;
+            esac
+            printf "    &ff_%s,\n" $c >> $TMPH
+        fi
     done
+    if [ "$name" = "filter_list" ]; then
+        for c in asrc_abuffer vsrc_buffer asink_abuffer vsink_buffer; do
+            printf "    &ff_%s,\n" $c >> $TMPH
+        done
+    fi
     echo "    NULL };" >> $TMPH
     cp_if_changed $TMPH $file
 }
 
+print_enabled_components libavfilter/filter_list.c AVFilter filter_list $FILTER_LIST
+print_enabled_components libavcodec/codec_list.c AVCodec codec_list $CODEC_LIST
+print_enabled_components libavcodec/parser_list.c AVCodecParser parser_list $PARSER_LIST
 print_enabled_components libavcodec/bsf_list.c AVBitStreamFilter bitstream_filters $BSF_LIST
+print_enabled_components libavformat/demuxer_list.c AVInputFormat demuxer_list $DEMUXER_LIST
+print_enabled_components libavformat/muxer_list.c AVOutputFormat muxer_list $MUXER_LIST
+print_enabled_components libavdevice/indev_list.c AVInputFormat indev_list $INDEV_LIST
+print_enabled_components libavdevice/outdev_list.c AVOutputFormat outdev_list $OUTDEV_LIST
 print_enabled_components libavformat/protocol_list.c URLProtocol url_protocols $PROTOCOL_LIST
 
 # Settings for pkg-config files
@@ -5470,9 +7333,11 @@ print_enabled_components libavformat/protocol_list.c URLProtocol url_protocols $
 cat > $TMPH <<EOF
 # Automatically generated by configure - do not modify!
 shared=$shared
+build_suffix=$build_suffix
 prefix=$prefix
 libdir=$libdir
 incdir=$incdir
+rpath=$(enabled rpath && echo "-Wl,-rpath,\${libdir}")
 source_path=${source_path}
 LIBPREF=${LIBPREF}
 LIBSUF=${LIBSUF}
@@ -5482,7 +7347,9 @@ extralibs_avformat="$avformat_extralibs"
 extralibs_avdevice="$avdevice_extralibs"
 extralibs_avfilter="$avfilter_extralibs"
 extralibs_avresample="$avresample_extralibs"
+extralibs_postproc="$postproc_extralibs"
 extralibs_swscale="$swscale_extralibs"
+extralibs_swresample="$swresample_extralibs"
 EOF
 
 for lib in $LIBRARY_LIST; do
@@ -5490,4 +7357,4 @@ for lib in $LIBRARY_LIST; do
     echo ${lib}_deps=\"$lib_deps\" >> $TMPH
 done
 
-cp_if_changed $TMPH avbuild/config.sh
+cp_if_changed $TMPH ffbuild/config.sh