configure: replace 'pr' with printf since busybox does not support pr
[ffmpeg.git] / configure
index 1946bcb..9b4305c 100755 (executable)
--- a/configure
+++ b/configure
@@ -218,6 +218,7 @@ External library support:
   --enable-jni             enable JNI support [no]
   --enable-ladspa          enable LADSPA audio filtering [no]
   --enable-libaom          enable AV1 video encoding/decoding via libaom [no]
+  --enable-libaribb24      enable ARIB text and caption decoding via libaribb24 [no]
   --enable-libass          enable libass subtitles rendering,
                            needed for subtitles and ass filter [no]
   --enable-libbluray       enable BluRay reading using libbluray [no]
@@ -226,6 +227,7 @@ External library support:
   --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-libdav1d        enable AV1 decoding via libdav1d [no]
   --enable-libdavs2        enable AVS2 decoding via libdavs2 [no]
   --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394
                            and libraw1394 [no]
@@ -296,7 +298,6 @@ External library support:
   --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]
@@ -306,6 +307,7 @@ External library support:
   --enable-opengl          enable OpenGL rendering [no]
   --enable-openssl         enable openssl, needed for https support
                            if gnutls, libtls or mbedtls is not used [no]
+  --enable-pocketsphinx    enable PocketSphinx, needed for asr filter [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]
@@ -319,7 +321,7 @@ External library support:
   The following libraries provide various hardware acceleration features:
   --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]
+  --enable-cuda-nvcc       enable Nvidia CUDA compiler [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]
@@ -379,7 +381,7 @@ Toolchain options:
   --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
   --host-ld=HOSTLD         use host linker HOSTLD
   --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host
-  --host-libs=HLIBS        use libs HLIBS when linking for host
+  --host-extralibs=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]
@@ -472,7 +474,7 @@ Developer options (useful when working on FFmpeg itself):
   --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
+  --enable-ossfuzz         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
@@ -501,9 +503,13 @@ log(){
 }
 
 log_file(){
-    log BEGIN $1
-    pr -n -t $1 >> $logfile
-    log END $1
+    log BEGIN "$1"
+    log_file_i=1
+    while IFS= read -r log_file_line; do
+        printf '%5d\t%s\n' "$log_file_i" "$log_file_line"
+        log_file_i=$(($log_file_i+1))
+    done < "$1" >> "$logfile"
+    log END "$1"
 }
 
 warn(){
@@ -647,6 +653,12 @@ request(){
     done
 }
 
+warn_if_gets_disabled(){
+    for var in $*; do
+        WARN_IF_GETS_DISABLED_LIST="$WARN_IF_GETS_DISABLED_LIST $var"
+    done
+}
+
 enable(){
     set_all yes $*
 }
@@ -655,6 +667,14 @@ disable(){
     set_all no $*
 }
 
+disable_with_reason(){
+    disable $1
+    eval "${1}_disable_reason=\"$2\""
+    if requested $1; then
+        die "ERROR: $1 requested, but $2"
+    fi
+}
+
 enable_weak(){
     set_weak yes $*
 }
@@ -783,10 +803,10 @@ check_deps(){
 
             [ -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_all  $dep_all || { disable_with_reason $cfg "not all dependencies are satisfied: $dep_all"; }
+            enabled_any  $dep_any || { disable_with_reason $cfg "not any dependency is satisfied: $dep_any"; }
+            disabled_all $dep_con || { disable_with_reason $cfg "some conflicting dependencies are unsatisfied: $dep_con"; }
+            disabled_any $dep_sel && { disable_with_reason $cfg "some selected dependency is unsatisfied: $dep_sel"; }
 
             enabled $cfg && enable_deep_weak $dep_sel $dep_sgs
 
@@ -985,6 +1005,10 @@ hostcc_o(){
     eval printf '%s\\n' $HOSTCC_O
 }
 
+nvcc_o(){
+    eval printf '%s\\n' $NVCC_O
+}
+
 test_cc(){
     log test_cc "$@"
     cat > $TMPC
@@ -1006,6 +1030,25 @@ test_objcc(){
     test_cmd $objcc -Werror=missing-prototypes $CPPFLAGS $CFLAGS $OBJCFLAGS "$@" $OBJCC_C $(cc_o $TMPO) $TMPM
 }
 
+test_nvcc(){
+    log test_nvcc "$@"
+    cat > $TMPCU
+    log_file $TMPCU
+    tmpcu_=$TMPCU
+    tmpo_=$TMPO
+    [ -x "$(command -v cygpath)" ] && tmpcu_=$(cygpath -m $tmpcu_) && tmpo_=$(cygpath -m $tmpo_)
+    test_cmd $nvcc -ptx $NVCCFLAGS "$@" $NVCC_C $(nvcc_o $tmpo_) $tmpcu_
+}
+
+check_nvcc() {
+    log check_nvcc "$@"
+    test_nvcc <<EOF
+extern "C" {
+    __global__ void hello(unsigned char *data) {}
+}
+EOF
+}
+
 test_cpp(){
     log test_cpp "$@"
     cat > $TMPC
@@ -1674,7 +1717,6 @@ EXTERNAL_LIBRARY_GPL_LIST="
 
 EXTERNAL_LIBRARY_NONFREE_LIST="
     decklink
-    libndi_newtek
     libfdk_aac
     openssl
     libtls
@@ -1682,6 +1724,7 @@ EXTERNAL_LIBRARY_NONFREE_LIST="
 
 EXTERNAL_LIBRARY_VERSION3_LIST="
     gmp
+    libaribb24
     liblensfun
     libopencore_amrnb
     libopencore_amrwb
@@ -1712,6 +1755,7 @@ EXTERNAL_LIBRARY_LIST="
     libcaca
     libcelt
     libcodec2
+    libdav1d
     libdc1394
     libdrm
     libflite
@@ -1760,6 +1804,7 @@ EXTERNAL_LIBRARY_LIST="
     mediacodec
     openal
     opengl
+    pocketsphinx
     vapoursynth
 "
 
@@ -1788,6 +1833,7 @@ EXTRALIBS_LIST="
 "
 
 HWACCEL_LIBRARY_NONFREE_LIST="
+    cuda_nvcc
     cuda_sdk
     libnpp
 "
@@ -2213,6 +2259,7 @@ TOOLCHAIN_FEATURES="
 
 TYPES_LIST="
     kCMVideoCodecType_HEVC
+    kCVPixelFormatType_420YpCbCr10BiPlanarVideoRange
     socklen_t
     struct_addrinfo
     struct_group_source_req
@@ -2271,6 +2318,7 @@ CONFIG_EXTRA="
     bswapdsp
     cabac
     cbs
+    cbs_av1
     cbs_h264
     cbs_h265
     cbs_jpeg
@@ -2334,6 +2382,7 @@ CONFIG_EXTRA="
     rtpdec
     rtpenc_chain
     rv34dsp
+    scene_sad
     sinewin
     snappy
     srtp
@@ -2432,6 +2481,7 @@ CMDLINE_SET="
     tempprefix
     toolchain
     valgrind
+    windres
     x86asmexe
 "
 
@@ -2535,6 +2585,7 @@ w32threads_deps="atomics_native"
 threads_if_any="$THREADS_LIST"
 
 # subsystems
+cbs_av1_select="cbs"
 cbs_h264_select="cbs golomb"
 cbs_h265_select="cbs golomb"
 cbs_jpeg_select="cbs"
@@ -2657,6 +2708,7 @@ hap_encoder_select="texturedspenc"
 hevc_decoder_select="bswapdsp cabac golomb hevcparse videodsp"
 huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"
 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llvidencdsp"
+hymt_decoder_select="huffyuv_decoder"
 iac_decoder_select="imc_decoder"
 imc_decoder_select="bswapdsp fft mdct sinewin"
 indeo3_decoder_select="hpeldsp"
@@ -2667,6 +2719,7 @@ jpegls_decoder_select="mjpeg_decoder"
 jv_decoder_select="blockdsp"
 lagarith_decoder_select="llviddsp"
 ljpeg_encoder_select="idctdsp jpegtables mpegvideoenc"
+lscr_decoder_deps="zlib"
 magicyuv_decoder_select="llviddsp"
 magicyuv_encoder_select="llvidencdsp"
 mdec_decoder_select="blockdsp idctdsp mpegvideo"
@@ -2676,7 +2729,7 @@ 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"
+mlp_encoder_select="lpc audio_frame_queue"
 motionpixels_decoder_select="bswapdsp"
 mp1_decoder_select="mpegaudio"
 mp1float_decoder_select="mpegaudio"
@@ -2758,7 +2811,7 @@ thp_decoder_select="mjpeg_decoder"
 tiff_decoder_suggest="zlib lzma"
 tiff_encoder_suggest="zlib"
 truehd_decoder_select="mlp_parser"
-truehd_encoder_select="lpc"
+truehd_encoder_select="lpc audio_frame_queue"
 truemotion2_decoder_select="bswapdsp"
 truespeech_decoder_select="bswapdsp"
 tscc_decoder_deps="zlib"
@@ -2810,6 +2863,7 @@ d3d11va_deps="dxva_h ID3D11VideoDecoder ID3D11VideoContext"
 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode ole32 user32"
 ffnvcodec_deps_any="libdl LoadLibrary"
 nvdec_deps="ffnvcodec"
+vaapi_x11_deps="xlib"
 videotoolbox_hwaccel_deps="videotoolbox pthreads"
 videotoolbox_hwaccel_extralibs="-framework QuartzCore"
 xvmc_deps="X11_extensions_XvMClib_h"
@@ -2929,8 +2983,8 @@ v4l2_m2m_deps="linux_videodev2_h sem_timedwait"
 
 hwupload_cuda_filter_deps="ffnvcodec"
 scale_npp_filter_deps="ffnvcodec libnpp"
-scale_cuda_filter_deps="cuda_sdk"
-thumbnail_cuda_filter_deps="cuda_sdk"
+scale_cuda_filter_deps="ffnvcodec cuda_nvcc"
+thumbnail_cuda_filter_deps="ffnvcodec cuda_nvcc"
 transpose_npp_filter_deps="ffnvcodec libnpp"
 
 amf_deps_any="libdl LoadLibrary"
@@ -2955,6 +3009,7 @@ h264_rkmpp_decoder_deps="rkmpp"
 h264_rkmpp_decoder_select="h264_mp4toannexb_bsf"
 h264_vaapi_encoder_select="cbs_h264 vaapi_encode"
 h264_v4l2m2m_decoder_deps="v4l2_m2m h264_v4l2_m2m"
+h264_v4l2m2m_decoder_select="h264_mp4toannexb_bsf"
 h264_v4l2m2m_encoder_deps="v4l2_m2m h264_v4l2_m2m"
 hevc_amf_encoder_deps="amf"
 hevc_cuvid_decoder_deps="cuvid"
@@ -2969,6 +3024,7 @@ 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_decoder_select="hevc_mp4toannexb_bsf"
 hevc_v4l2m2m_encoder_deps="v4l2_m2m hevc_v4l2_m2m"
 mjpeg_cuvid_decoder_deps="cuvid"
 mjpeg_qsv_encoder_deps="libmfx"
@@ -3018,6 +3074,7 @@ wmv3_crystalhd_decoder_select="crystalhd"
 
 # parsers
 aac_parser_select="adts_header"
+av1_parser_select="cbs_av1"
 h264_parser_select="golomb h264dsp h264parse"
 hevc_parser_select="hevcparse"
 mpegaudio_parser_select="mpegaudioheader"
@@ -3027,6 +3084,8 @@ vc1_parser_select="vc1dsp"
 
 # bitstream_filters
 aac_adtstoasc_bsf_select="adts_header"
+av1_frame_split_bsf_select="cbs_av1"
+av1_metadata_bsf_select="cbs_av1"
 eac3_core_bsf_select="ac3_parser"
 filter_units_bsf_select="cbs"
 h264_metadata_bsf_deps="const_nan"
@@ -3081,9 +3140,11 @@ hevc_videotoolbox_encoder_select="videotoolbox_encoder"
 libaom_av1_decoder_deps="libaom"
 libaom_av1_encoder_deps="libaom"
 libaom_av1_encoder_select="extract_extradata_bsf"
+libaribb24_decoder_deps="libaribb24"
 libcelt_decoder_deps="libcelt"
 libcodec2_decoder_deps="libcodec2"
 libcodec2_encoder_deps="libcodec2"
+libdav1d_decoder_deps="libdav1d"
 libdavs2_decoder_deps="libdavs2"
 libfdk_aac_decoder_deps="libfdk_aac"
 libfdk_aac_encoder_deps="libfdk_aac"
@@ -3176,6 +3237,7 @@ image2_alias_pix_demuxer_select="image2_demuxer"
 image2_brender_pix_demuxer_select="image2_demuxer"
 ipod_muxer_select="mov_muxer"
 ismv_muxer_select="mov_muxer"
+ivf_muxer_select="av1_metadata_bsf vp9_superframe_bsf"
 matroska_audio_muxer_select="matroska_muxer"
 matroska_demuxer_select="iso_media riffdec"
 matroska_demuxer_suggest="bzlib lzo zlib"
@@ -3243,10 +3305,6 @@ decklink_indev_extralibs="-lstdc++"
 decklink_outdev_deps="decklink threads"
 decklink_outdev_suggest="libklvanc"
 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"
@@ -3263,6 +3321,7 @@ libcdio_indev_deps="libcdio"
 libdc1394_indev_deps="libdc1394"
 openal_indev_deps="openal"
 opengl_outdev_deps="opengl"
+opengl_outdev_suggest="sdl2"
 oss_indev_deps_any="sys_soundcard_h"
 oss_outdev_deps_any="sys_soundcard_h"
 pulse_indev_deps="libpulse"
@@ -3339,12 +3398,15 @@ libssh_protocol_deps="libssh"
 libtls_conflict="openssl gnutls mbedtls"
 
 # filters
+afftdn_filter_deps="avcodec"
+afftdn_filter_select="fft"
 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"
+asr_filter_deps="pocketsphinx"
 ass_filter_deps="libass"
 atempo_filter_deps="avcodec"
 atempo_filter_select="rdft"
@@ -3356,6 +3418,7 @@ bm3d_filter_select="dct"
 boxblur_filter_deps="gpl"
 boxblur_opencl_filter_deps="opencl gpl"
 bs2b_filter_deps="libbs2b"
+colorkey_opencl_filter_deps="opencl"
 colormatrix_filter_deps="gpl"
 convolution_opencl_filter_deps="opencl"
 convolve_filter_deps="avcodec"
@@ -3387,7 +3450,8 @@ find_rect_filter_deps="avcodec avformat gpl"
 firequalizer_filter_deps="avcodec"
 firequalizer_filter_select="rdft"
 flite_filter_deps="libflite"
-framerate_filter_select="pixelutils"
+framerate_filter_select="scene_sad"
+freezedetect_filter_select="scene_sad"
 frei0r_filter_deps="frei0r libdl"
 frei0r_src_filter_deps="frei0r libdl"
 fspp_filter_deps="gpl"
@@ -3403,6 +3467,7 @@ mcdeint_filter_deps="avcodec gpl"
 movie_filter_deps="avcodec avformat"
 mpdecimate_filter_deps="gpl"
 mpdecimate_filter_select="pixelutils"
+minterpolate_filter_select="scene_sad"
 mptestsrc_filter_deps="gpl"
 negate_filter_deps="lut_filter"
 nnedi_filter_deps="gpl"
@@ -3431,7 +3496,7 @@ sab_filter_deps="gpl swscale"
 scale2ref_filter_deps="swscale"
 scale_filter_deps="swscale"
 scale_qsv_filter_deps="libmfx"
-select_filter_select="pixelutils"
+select_filter_select="scene_sad"
 sharpness_vaapi_filter_deps="vaapi"
 showcqt_filter_deps="avcodec avformat swscale"
 showcqt_filter_suggest="libfontconfig libfreetype"
@@ -3462,6 +3527,8 @@ tinterlace_merge_test_deps="tinterlace_filter"
 tinterlace_pad_test_deps="tinterlace_filter"
 tonemap_filter_deps="const_nan"
 tonemap_opencl_filter_deps="opencl const_nan"
+transpose_opencl_filter_deps="opencl"
+transpose_vaapi_filter_deps="vaapi VAProcPipelineCaps_rotation_flags"
 unsharp_opencl_filter_deps="opencl"
 uspp_filter_deps="gpl avcodec"
 vaguedenoiser_filter_deps="gpl"
@@ -3474,6 +3541,7 @@ zscale_filter_deps="libzimg const_nan"
 scale_vaapi_filter_deps="vaapi"
 vpp_qsv_filter_deps="libmfx"
 vpp_qsv_filter_select="qsvvpp"
+yadif_cuda_filter_deps="ffnvcodec cuda_nvcc"
 
 # examples
 avio_dir_cmd_deps="avformat avutil"
@@ -3524,15 +3592,15 @@ swresample_suggest="libm libsoxr"
 swscale_deps="avutil"
 swscale_suggest="libm"
 
-avcodec_extralibs="pthreads_extralibs iconv_extralibs"
+avcodec_extralibs="pthreads_extralibs iconv_extralibs dxva2_extralibs"
 avfilter_extralibs="pthreads_extralibs"
 avutil_extralibs="d3d11va_extralibs nanosleep_extralibs pthreads_extralibs vaapi_drm_extralibs vaapi_x11_extralibs vdpau_x11_extralibs"
 
 # programs
 ffmpeg_deps="avcodec avfilter avformat"
 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
-               null_filter
-               trim_filter"
+               hflip_filter null_filter
+               transpose_filter trim_filter vflip_filter"
 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"
@@ -3589,6 +3657,7 @@ host_os=$target_os_default
 if test "$target_os_default" = aix; then
     arch_default=$(uname -p)
     strip_default="strip -X32_64"
+    nm_default="nm -g -X32_64"
 else
     arch_default=$(uname -m)
 fi
@@ -3679,6 +3748,8 @@ mkdir -p ffbuild
 # find source path
 if test -f configure; then
     source_path=.
+elif test -f src/configure; then
+    source_path=src
 else
     source_path=$(cd $(dirname "$0"); pwd)
     case "$source_path" in
@@ -3705,8 +3776,7 @@ find_things_extern(){
 
 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
+    sed -n 's/^extern AVFilter ff_[avfsinkrc]\{2,5\}_\([[:alnum:]_]\{1,\}\);/\1_filter/p' $file
 }
 
 FILTER_LIST=$(find_filters_extern libavfilter/allfilters.c)
@@ -3857,6 +3927,7 @@ for opt do
             name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
             list=$(filter "$name" $list)
             [ "$list" = "" ] && warn "Option $opt did not match anything"
+            test $action = enable && warn_if_gets_disabled $list
             $action $list
         ;;
         --enable-yasm|--disable-yasm)
@@ -4050,22 +4121,22 @@ case "$toolchain" in
         # 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')
+        cl_major_ver=$(cl.exe 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
         if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
-            cc_default="cl"
-            cxx_default="cl"
+            cc_default="cl.exe"
+            cxx_default="cl.exe"
         else
             die "Unsupported MSVC version (2013 or newer required)"
         fi
         ld_default="$source_path/compat/windows/mslink"
-        nm_default="dumpbin -symbols"
-        ar_default="lib"
+        nm_default="dumpbin.exe -symbols"
+        ar_default="lib.exe"
         case "$arch" in
         aarch64|arm64)
-            as_default="armasm64"
+            as_default="armasm64.exe"
             ;;
         arm*)
-            as_default="armasm"
+            as_default="armasm.exe"
             ;;
         esac
         target_os_default="win32"
@@ -4109,6 +4180,11 @@ if test -n "$cross_prefix"; then
     enable cross_compile
 fi
 
+set_default target_os
+if test "$target_os" = android; then
+    cc_default="clang"
+fi
+
 ar_default="${cross_prefix}${ar_default}"
 cc_default="${cross_prefix}${cc_default}"
 cxx_default="${cross_prefix}${cxx_default}"
@@ -4125,7 +4201,7 @@ windres_default="${cross_prefix}${windres_default}"
 sysinclude_default="${sysroot}/usr/include"
 
 set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \
-    target_exec target_os x86asmexe nvcc
+    target_exec x86asmexe nvcc
 enabled cross_compile || host_cc_default=$cc
 set_default host_cc
 
@@ -4192,6 +4268,7 @@ tmpfile TMPCPP .cpp
 tmpfile TMPE   $EXESUF
 tmpfile TMPH   .h
 tmpfile TMPM   .m
+tmpfile TMPCU  .cu
 tmpfile TMPO   .o
 tmpfile TMPS   .S
 tmpfile TMPSH  .sh
@@ -4829,7 +4906,6 @@ elif enabled mips; then
                 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.
@@ -5124,6 +5200,7 @@ case $target_os in
             echo "hwcap_1 = OVERRIDE;" > mapfile &&
             add_ldflags -Wl,-M,mapfile
         nm_default='nm -P -g'
+        striptype=""
         version_script='-M'
         VERSION_SCRIPT_POSTPROCESS_CMD='perl $(SRC_PATH)/compat/solaris/make_sunver.pl - $(OBJS)'
         ;;
@@ -5277,7 +5354,6 @@ case $target_os in
         network_extralibs="-lsocket"
         objformat="coff"
         enable dos_paths
-        add_cppflags -U__STRICT_ANSI__
         ;;
     linux)
         enable section_data_rel_ro
@@ -5348,7 +5424,7 @@ link_name=$(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
+if [ "$source_path" != "." ] && [ "$source_path" != "src" ] && ([ ! -d src ] || [ -L src ]) && [ -e "$link_name/test_file" ]; then
     # create link to source path
     [ -e src ] && rm src
     $ln_s "$source_path" src
@@ -5390,6 +5466,7 @@ probe_libc(){
             add_${pfx}cppflags -D__printf__=__gnu_printf__
         test_${pfx}cpp_condition windows.h "!defined(_WIN32_WINNT) || _WIN32_WINNT < 0x0600" &&
             add_${pfx}cppflags -D_WIN32_WINNT=0x0600
+        add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
     elif test_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION"  ||
          test_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
         eval ${pfx}libc_type=mingw32
@@ -5403,6 +5480,7 @@ probe_libc(){
             add_${pfx}cppflags -D_WIN32_WINNT=0x0600
         eval test \$${pfx_no_}cc_type = "gcc" &&
             add_${pfx}cppflags -D__printf__=__gnu_printf__
+        add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
     elif test_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
         eval ${pfx}libc_type=msvcrt
         if test_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then
@@ -5446,6 +5524,11 @@ 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
+    elif test_${pfx}cpp_condition sys/version.h "defined __DJGPP__"; then
+        eval ${pfx}libc_type=djgpp
+        add_cppflags -U__STRICT_ANSI__
+        add_cflags "-include $source_path/compat/djgpp/math.h"
+        add_compat djgpp/math.o
     fi
     test_${pfx}cc <<EOF
 #include <time.h>
@@ -5943,6 +6026,7 @@ enabled avfoundation && {
 enabled videotoolbox && {
     check_lib coreservices CoreServices/CoreServices.h UTGetOSTypeFromString "-framework CoreServices"
     check_func_headers CoreMedia/CMFormatDescription.h kCMVideoCodecType_HEVC "-framework CoreMedia"
+    check_func_headers CoreVideo/CVPixelBuffer.h kCVPixelFormatType_420YpCbCr10BiPlanarVideoRange "-framework CoreVideo"
 }
 
 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
@@ -5953,20 +6037,19 @@ 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_struct "va/va.h" "VADecPictureParameterBufferVP9" bit_depth
-check_type "va/va.h va/va_enc_hevc.h" "VAEncPictureParameterBufferHEVC"
-check_type "va/va.h va/va_enc_jpeg.h" "VAEncPictureParameterBufferJPEG"
-check_type "va/va.h va/va_enc_vp8.h"  "VAEncPictureParameterBufferVP8"
-check_type "va/va.h va/va_enc_vp9.h"  "VAEncPictureParameterBufferVP9"
-
 check_type "vdpau/vdpau.h" "VdpPictureInfoHEVC"
 
+if enabled cuda_sdk; then
+    warn "Option --enable-cuda-sdk is deprecated. Use --enable-cuda-nvcc instead."
+    enable cuda_nvcc
+fi
+
 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" ""
+    ffnv_hdr_list="ffnvcodec/nvEncodeAPI.h ffnvcodec/dynlink_cuda.h ffnvcodec/dynlink_cuviddec.h ffnvcodec/dynlink_nvcuvid.h"
+    check_pkg_config ffnvcodec "ffnvcodec >= 9.0.18.0" "$ffnv_hdr_list" "" || \
+      check_pkg_config ffnvcodec "ffnvcodec >= 8.2.15.8 ffnvcodec < 8.3" "$ffnv_hdr_list" "" || \
+      check_pkg_config ffnvcodec "ffnvcodec >= 8.1.24.9 ffnvcodec < 8.2" "$ffnv_hdr_list" "" || \
+      check_pkg_config ffnvcodec "ffnvcodec >= 8.0.14.9 ffnvcodec < 8.1" "$ffnv_hdr_list" ""
 fi
 
 check_cpp_condition winrt windows.h "!WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)"
@@ -6036,17 +6119,19 @@ for func in $COMPLEX_FUNCS; do
 done
 
 # these are off by default, so fail if requested and not available
-enabled cuda_sdk          && require cuda_sdk cuda.h cuCtxCreate -lcuda
+enabled cuda_nvcc         && { check_nvcc || die "ERROR: failed checking for nvcc."; }
 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 >= 0x0a090500" || die "ERROR: Decklink API version must be >= 10.9.5."; } }
-enabled libndi_newtek     && require_headers Processing.NDI.Lib.h
-enabled frei0r            && require_headers frei0r.h
+enabled frei0r            && require_headers "frei0r.h dlfcn.h"
 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 ladspa            && require_headers "ladspa.h dlfcn.h"
 enabled libaom            && require_pkg_config libaom "aom >= 1.0.0" aom/aom_codec.h aom_codec_version
+enabled libaribb24        && { check_pkg_config libaribb24 "aribb24 > 1.0.3" "aribb24/aribb24.h" arib_instance_new ||
+                               { enabled gpl && require_pkg_config libaribb24 aribb24 "aribb24/aribb24.h" arib_instance_new; } ||
+                               die "ERROR: libaribb24 requires version higher than 1.0.3 or --enable-gpl."; }
 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
@@ -6057,7 +6142,8 @@ enabled libcelt           && require libcelt celt/celt.h celt_decode -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 libdav1d          && require_pkg_config libdav1d "dav1d >= 0.2.1" "dav1d/dav1d.h" dav1d_version
+enabled libdavs2          && require_pkg_config libdavs2 "davs2 >= 1.6.0" davs2.h davs2_decoder_open
 enabled libdc1394         && require_pkg_config libdc1394 libdc1394-2 dc1394/dc1394.h dc1394_new
 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 ||
@@ -6140,21 +6226,19 @@ enabled libvorbis         && require_pkg_config libvorbis vorbis vorbis/codec.h
 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";
+            check_lib libvpx_vp8_decoder "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp8_dx VPX_IMG_FMT_HIGHBITDEPTH" "-lvpx $libm_extralibs $pthreads_extralibs"
     }
     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";
+            check_lib libvpx_vp8_encoder "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp8_cx VPX_IMG_FMT_HIGHBITDEPTH" "-lvpx $libm_extralibs $pthreads_extralibs"
     }
     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"
+            check_lib libvpx_vp9_decoder "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx VPX_IMG_FMT_HIGHBITDEPTH" "-lvpx $libm_extralibs $pthreads_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"
+            check_lib libvpx_vp9_encoder "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VPX_IMG_FMT_HIGHBITDEPTH" "-lvpx $libm_extralibs $pthreads_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"
@@ -6173,7 +6257,7 @@ enabled libx264           && { check_pkg_config libx264 x264 "stdint.h x264.h" x
 enabled libx265           && require_pkg_config libx265 x265 x265.h x265_api_get &&
                              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 libxavs2          && require_pkg_config libxavs2 "xavs2 >= 1.2.77" "stdint.h xavs2.h" xavs2_api_get
+enabled libxavs2          && require_pkg_config libxavs2 "xavs2 >= 1.3.0" "stdint.h xavs2.h" xavs2_api_get
 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
@@ -6221,6 +6305,7 @@ enabled openssl           && { check_pkg_config openssl openssl openssl/ssl.h OP
                                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 pocketsphinx      && require_pkg_config pocketsphinx pocketsphinx pocketsphinx/pocketsphinx.h ps_init
 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 ||
@@ -6384,6 +6469,14 @@ if enabled vaapi; then
     fi
 
     check_cpp_condition vaapi_1 "va/va.h" "VA_CHECK_VERSION(1, 0, 0)"
+
+    check_type "va/va.h va/va_dec_hevc.h" "VAPictureParameterBufferHEVC"
+    check_struct "va/va.h" "VADecPictureParameterBufferVP9" bit_depth
+    check_struct "va/va.h va/va_vpp.h" "VAProcPipelineCaps" rotation_flags
+    check_type "va/va.h va/va_enc_hevc.h" "VAEncPictureParameterBufferHEVC"
+    check_type "va/va.h va/va_enc_jpeg.h" "VAEncPictureParameterBufferJPEG"
+    check_type "va/va.h va/va_enc_vp8.h"  "VAEncPictureParameterBufferVP8"
+    check_type "va/va.h va/va_enc_vp9.h"  "VAEncPictureParameterBufferVP9"
 fi
 
 if enabled_all opencl libdrm ; then
@@ -6394,9 +6487,12 @@ if enabled_all opencl libdrm ; then
 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
+    if enabled opencl_drm_beignet ; then
+        enable opencl_vaapi_beignet
+    else
+        check_type "CL/cl.h CL/cl_va_api_media_sharing_intel.h" "clCreateFromVA_APIMediaSurfaceINTEL_fn" &&
+            enable opencl_vaapi_intel_media
+    fi
 fi
 
 if enabled_all opencl dxva2 ; then
@@ -6425,6 +6521,14 @@ if enabled x86; then
             disable ffnvcodec cuvid nvdec nvenc
             ;;
     esac
+elif enabled ppc64 && ! enabled bigendian; then
+    case $target_os in
+        linux)
+            ;;
+        *)
+            disable ffnvcodec cuvid nvdec nvenc
+            ;;
+    esac
 else
     disable ffnvcodec cuvid nvdec nvenc
 fi
@@ -6488,6 +6592,7 @@ 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 -Wno-char-subscripts
 
 check_disable_warning_headers(){
     warning_flag=-W${1#-Wno-}
@@ -6503,7 +6608,7 @@ EOF
 
 # add some linker flags
 check_ldflags -Wl,--warn-common
-check_ldflags -Wl,-rpath-link=libpostproc:libswresample: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
 
@@ -6770,10 +6875,17 @@ check_deps $CONFIG_LIST       \
 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
+case $target_os in
+haiku)
     disable memalign
     disable posix_memalign
-fi
+    ;;
+*-dos|freedos|opendos)
+    if test_cpp_condition sys/version.h "defined(__DJGPP__) && __DJGPP__ == 2 && __DJGPP_MINOR__ == 5"; then
+        disable memalign
+    fi
+    ;;
+esac
 
 flatten_extralibs(){
     nested_entries=
@@ -6857,6 +6969,7 @@ done
 enabled zlib && add_cppflags -DZLIB_CONST
 
 # conditional library dependencies, in any order
+enabled afftdn_filter       && prepend avfilter_deps "avcodec"
 enabled afftfilt_filter     && prepend avfilter_deps "avcodec"
 enabled afir_filter         && prepend avfilter_deps "avcodec"
 enabled amovie_filter       && prepend avfilter_deps "avformat avcodec"
@@ -6896,7 +7009,8 @@ 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_any sdl2_outdev opengl_outdev && enabled sdl2 &&
+    add_cflags $(filter_out '-Dmain=SDL_main' $sdl2_cflags)
 
 enabled opus_decoder    && prepend avcodec_deps "swresample"
 
@@ -7059,6 +7173,15 @@ echo "License: $license"
 
 fi # test "$quiet" != "yes"
 
+if test -n "$WARN_IF_GETS_DISABLED_LIST"; then
+    for cfg in $WARN_IF_GETS_DISABLED_LIST; do
+        if disabled $cfg; then
+            varname=${cfg}_disable_reason
+            eval "warn \"Disabled $cfg because \$$varname\""
+        fi
+    done
+fi
+
 if test -n "$WARNINGS"; then
     printf "\n%s%s$WARNINGS%s" "$warn_color" "$bold_color" "$reset_color"
     enabled fatal_warnings && exit 1
@@ -7229,7 +7352,7 @@ cat > $TMPH <<EOF
 #define FFMPEG_CONFIG_H
 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
 #define FFMPEG_LICENSE "$(c_escape $license)"
-#define CONFIG_THIS_YEAR 2018
+#define CONFIG_THIS_YEAR 2019
 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"