configure

    $CONFIG_LIST
    $HAVE_LIST_CMDLINE
    $THREADS_LIST
    asm
    cross_compile
    debug
    extra_warnings
    logging
    lto
    optimizations
    rpath
    stripping
"

PATHS_LIST="
    bindir
    datadir
    docdir
    incdir
    libdir
    mandir
    pkgconfigdir
    prefix
    shlibdir
"

CMDLINE_SET="
    $PATHS_LIST
    ar
    arch
    as
    assert_level
    build_suffix
    cc
    cpu
    cross_prefix
    custom_allocator
    cxx
    dep_cc
    doxygen
    env
    extra_version
    gas
    host_cc
    host_cflags
    host_ld
    host_ldflags
    host_libs
    host_os
    install
    ld
    logfile
    malloc_prefix
    nm
    optflags
    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
    yasmexe
"

CMDLINE_APPEND="
    extra_cflags
    extra_cxxflags
    host_cppflags
"

# code dependency declarations

# architecture extensions

armv5te_deps="arm"
armv6_deps="arm"
armv6t2_deps="arm"
armv8_deps="aarch64"
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

mipsfpu_deps="mips"
mipsdspr1_deps="mips"
mipsdspr2_deps="mips"
mips32r2_deps="mips"
mips32r5_deps="mips"
mips64r6_deps="mips"
msa_deps="mips"
mmi_deps="mips"

altivec_deps="ppc"
dcbzl_deps="ppc"
ldbrx_deps="ppc"
ppc4xx_deps="ppc"
vsx_deps="altivec"
power8_deps="vsx"

cpunop_deps="i686"
x86_64_select="i686"
x86_64_suggest="fast_cmov"

amd3dnow_deps="mmx"
amd3dnowext_deps="amd3dnow"
i686_deps="x86"
mmx_deps="x86"
mmxext_deps="mmx"
sse_deps="mmxext"
sse2_deps="sse"
sse3_deps="sse2"
ssse3_deps="sse3"
sse4_deps="ssse3"
sse42_deps="sse4"
avx_deps="sse42"
xop_deps="avx"
fma3_deps="avx"
fma4_deps="avx"
avx2_deps="avx"

mmx_external_deps="yasm"
mmx_inline_deps="inline_asm"
mmx_suggest="mmx_external mmx_inline"

for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
    eval dep=\$${ext}_deps
    eval ${ext}_external_deps='"${dep}_external"'
    eval ${ext}_inline_deps='"${dep}_inline"'
    eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
done

aligned_stack_if_any="aarch64 ppc x86"
fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
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"

# system capabilities
symver_if_any="symver_asm_label symver_gnu_asm"
valgrind_backtrace_deps="!optimizations valgrind_valgrind_h"

# threading support
atomics_gcc_if_any="sync_val_compare_and_swap atomic_compare_exchange"
atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
atomics_win32_if="MemoryBarrier"
atomics_native_if_any="$ATOMICS_LIST"
w32threads_deps="atomics_native"
threads_if_any="$THREADS_LIST"

# subsystems
dct_select="rdft"
error_resilience_select="me_cmp"
faandct_deps="faan fdctdsp"
faanidct_deps="faan idctdsp"
frame_thread_encoder_deps="encoders threads"
intrax8_select="error_resilience"
mdct_select="fft"
rdft_select="fft"
me_cmp_select="fdctdsp idctdsp pixblockdsp"
mpeg_er_select="error_resilience"
mpegaudio_select="mpegaudiodsp"
mpegaudiodsp_select="dct"
mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp mpeg_er videodsp"
mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
qsvdec_select="qsv"
qsvenc_select="qsv"

# decoders / encoders
aac_decoder_select="imdct15 mdct sinewin"
aac_fixed_decoder_select="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"
adpcm_g722_encoder_select="g722dsp"
aic_decoder_select="golomb idctdsp"
alac_encoder_select="lpc"
als_decoder_select="bswapdsp"
amrnb_decoder_select="lsp"
amrwb_decoder_select="lsp"
amv_decoder_select="sp5x_decoder exif"
amv_encoder_select="aandcttables jpegtables mpegvideoenc"
ape_decoder_select="bswapdsp llauddsp"
apng_decoder_select="zlib"
apng_encoder_select="huffyuvencdsp zlib"
asv1_decoder_select="blockdsp bswapdsp idctdsp"
asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
asv2_decoder_select="blockdsp bswapdsp idctdsp"
asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
atrac1_decoder_select="mdct sinewin"
atrac3_decoder_select="mdct"
atrac3p_decoder_select="mdct sinewin"
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"
cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
cllc_decoder_select="bswapdsp"
comfortnoise_encoder_select="lpc"
cook_decoder_select="audiodsp mdct sinewin"
cscd_decoder_select="lzo"
cscd_decoder_suggest="zlib"
dca_decoder_select="fmtconvert mdct"
dds_decoder_select="texturedsp"
dirac_decoder_select="dwt golomb videodsp mpegvideoenc"
dnxhd_decoder_select="blockdsp idctdsp"
dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
dvvideo_decoder_select="dvprofile idctdsp"
dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
dxa_decoder_select="zlib"
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"
eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpeg1video_decoder"
exr_decoder_select="zlib"
ffv1_decoder_select="golomb rangecoder"
ffv1_encoder_select="rangecoder"
ffvhuff_decoder_select="huffyuv_decoder"
ffvhuff_encoder_select="huffyuv_encoder"
fic_decoder_select="golomb"
flac_decoder_select="flacdsp golomb"
flac_encoder_select="bswapdsp flacdsp golomb lpc"
flashsv_decoder_select="zlib"
flashsv_encoder_select="zlib"
flashsv2_encoder_select="zlib"
flashsv2_decoder_select="zlib"
flv_decoder_select="h263_decoder"
flv_encoder_select="h263_encoder"
fourxm_decoder_select="blockdsp bswapdsp"
fraps_decoder_select="bswapdsp huffman"
g2m_decoder_select="blockdsp idctdsp jpegtables zlib"
g729_decoder_select="audiodsp"
h261_decoder_select="mpegvideo"
h261_encoder_select="aandcttables mpegvideoenc"
h263_decoder_select="h263_parser h263dsp mpegvideo qpeldsp"
h263_encoder_select="aandcttables h263dsp mpegvideoenc"
h263i_decoder_select="h263_decoder"
h263p_decoder_select="h263_decoder"
h263p_encoder_select="h263_encoder"
h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel startcode videodsp"
h264_decoder_suggest="error_resilience"
h264_qsv_decoder_deps="libmfx"
h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
h264_qsv_encoder_deps="libmfx"
h264_qsv_encoder_select="qsvenc"
hap_decoder_select="snappy texturedsp"
hap_encoder_deps="libsnappy"
hap_encoder_select="texturedspenc"
hevc_decoder_select="bswapdsp cabac golomb videodsp"
hevc_qsv_encoder_deps="libmfx"
hevc_qsv_decoder_deps="libmfx"
hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec hevc_qsv_hwaccel"
hevc_qsv_encoder_select="qsvenc"
huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"
huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llviddsp"
iac_decoder_select="imc_decoder"
imc_decoder_select="bswapdsp fft mdct sinewin"
indeo3_decoder_select="hpeldsp"
indeo4_decoder_select="ividsp"
indeo5_decoder_select="ividsp"
interplay_video_decoder_select="hpeldsp"
jpegls_decoder_select="golomb mjpeg_decoder"
jpegls_encoder_select="golomb"
jv_decoder_select="blockdsp"
lagarith_decoder_select="huffyuvdsp"
ljpeg_encoder_select="aandcttables idctdsp jpegtables"
loco_decoder_select="golomb"
mdec_decoder_select="blockdsp idctdsp mpegvideo"
metasound_decoder_select="lsp mdct sinewin"
mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"
mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
mjpegb_decoder_select="mjpeg_decoder"
mlp_decoder_select="mlp_parser"
motionpixels_decoder_select="bswapdsp"
mp1_decoder_select="mpegaudio"
mp1float_decoder_select="mpegaudio"
mp2_decoder_select="mpegaudio"
mp2float_decoder_select="mpegaudio"
mp3_decoder_select="mpegaudio"
mp3adu_decoder_select="mpegaudio"
mp3adufloat_decoder_select="mpegaudio"
mp3float_decoder_select="mpegaudio"
mp3on4_decoder_select="mpegaudio"
mp3on4float_decoder_select="mpegaudio"
mpc7_decoder_select="bswapdsp mpegaudiodsp"
mpc8_decoder_select="mpegaudiodsp"
mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
mpeg_xvmc_decoder_select="mpeg2video_decoder"
mpegvideo_decoder_select="mpegvideo"
mpeg1video_decoder_select="mpegvideo"
mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"
mpeg2video_decoder_select="mpegvideo"
mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"
mpeg2_qsv_decoder_deps="libmfx"
mpeg2_qsv_decoder_select="qsvdec mpeg2_qsv_hwaccel"
mpeg2_qsv_encoder_deps="libmfx"
mpeg2_qsv_encoder_select="qsvenc"
mpeg4_decoder_select="h263_decoder mpeg4video_parser"
mpeg4_encoder_select="h263_encoder"
msa1_decoder_select="mss34dsp"
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="vc1_decoder"
mts2_decoder_select="mss34dsp"
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="swresample"
opus_decoder_select="imdct15"
png_decoder_select="zlib"
png_encoder_select="huffyuvencdsp zlib"
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 audiodsp"
ra_144_decoder_select="audiodsp"
ralf_decoder_select="golomb"
rawvideo_decoder_select="bswapdsp"
rtjpeg_decoder_select="me_cmp"
rv10_decoder_select="h263_decoder"
rv10_encoder_select="h263_encoder"
rv20_decoder_select="h263_decoder"
rv20_encoder_select="h263_encoder"
rv30_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
rv40_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
screenpresso_decoder_select="zlib"
shorten_decoder_select="golomb"
sipr_decoder_select="lsp"
snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"
snow_encoder_select="aandcttables 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"
svq1_decoder_select="hpeldsp"
svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
svq3_decoder_select="h264_decoder hpeldsp tpeldsp"
svq3_decoder_suggest="zlib"
tak_decoder_select="audiodsp"
tdsc_decoder_select="zlib mjpeg_decoder"
theora_decoder_select="vp3_decoder"
thp_decoder_select="mjpeg_decoder"
tiff_decoder_suggest="zlib lzma"
tiff_encoder_suggest="zlib"
truehd_decoder_select="mlp_parser"
truemotion2_decoder_select="bswapdsp"
truespeech_decoder_select="bswapdsp"
tscc_decoder_select="zlib"
twinvq_decoder_select="mdct lsp sinewin"
txd_decoder_select="texturedsp"
utvideo_decoder_select="bswapdsp"
utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"
vble_decoder_select="huffyuvdsp"
vc1_decoder_select="blockdsp h263_decoder h264qpel intrax8 qpeldsp startcode"
vc1image_decoder_select="vc1_decoder"
vc1_qsv_decoder_deps="libmfx"
vc1_qsv_decoder_select="qsvdec vc1_qsv_hwaccel"
vorbis_decoder_select="mdct"
vorbis_encoder_select="mdct"
vp3_decoder_select="hpeldsp vp3dsp videodsp"
vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"
vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"
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_parser"
webp_decoder_select="vp8_decoder"
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"
wmav2_decoder_select="mdct sinewin wma_freqs"
wmav2_encoder_select="mdct sinewin wma_freqs"
wmavoice_decoder_select="lsp rdft dct mdct sinewin"
wmv1_decoder_select="h263_decoder"
wmv1_encoder_select="h263_encoder"
wmv2_decoder_select="blockdsp h263_decoder idctdsp intrax8 videodsp wmv2dsp"
wmv2_encoder_select="h263_encoder wmv2dsp"
wmv3_decoder_select="vc1_decoder"
wmv3image_decoder_select="wmv3_decoder"
zerocodec_decoder_select="zlib"
zlib_decoder_select="zlib"
zlib_encoder_select="zlib"
zmbv_decoder_select="zlib"
zmbv_encoder_select="zlib"

# hardware accelerators
crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder ID3D11VideoContext"
dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode"
vaapi_deps="va_va_h"
vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
videotoolbox_deps="VideoToolbox_VideoToolbox_h pthreads"
videotoolbox_extralibs="-framework CoreFoundation -framework VideoToolbox -framework CoreMedia -framework QuartzCore -framework CoreVideo"
xvmc_deps="X11_extensions_XvMClib_h"

h263_vaapi_hwaccel_deps="vaapi"
h263_vaapi_hwaccel_select="h263_decoder"
h263_vdpau_hwaccel_deps="vdpau"
h263_vdpau_hwaccel_select="h263_decoder"
h263_videotoolbox_hwaccel_deps="videotoolbox"
h263_videotoolbox_hwaccel_select="h263_decoder"
h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
h264_d3d11va_hwaccel_deps="d3d11va"
h264_d3d11va_hwaccel_select="h264_decoder"
h264_dxva2_hwaccel_deps="dxva2"
h264_dxva2_hwaccel_select="h264_decoder"
h264_mmal_decoder_deps="mmal"
h264_mmal_hwaccel_deps="mmal"
h264_mmal_decoder_select="h264_decoder"
h264_mmal_encoder_deps="mmal"
h264_qsv_hwaccel_deps="libmfx"
h264_vaapi_hwaccel_deps="vaapi"
h264_vaapi_hwaccel_select="h264_decoder"
h264_vda_decoder_deps="vda"
h264_vda_decoder_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_decoder_deps="vdpau"
h264_vdpau_decoder_select="h264_decoder"
h264_vdpau_hwaccel_deps="vdpau"
h264_vdpau_hwaccel_select="h264_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_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
hevc_dxva2_hwaccel_select="hevc_decoder"
hevc_qsv_hwaccel_deps="libmfx"
hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC"
hevc_vaapi_hwaccel_select="hevc_decoder"
hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"
hevc_vdpau_hwaccel_select="hevc_decoder"
mpeg_vdpau_decoder_deps="vdpau"
mpeg_vdpau_decoder_select="mpeg2video_decoder"
mpeg_xvmc_hwaccel_deps="xvmc"
mpeg_xvmc_hwaccel_select="mpeg2video_decoder"
mpeg1_vdpau_decoder_deps="vdpau"
mpeg1_vdpau_decoder_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_crystalhd_decoder_select="crystalhd"
mpeg2_d3d11va_hwaccel_deps="d3d11va"
mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
mpeg2_dxva2_hwaccel_deps="dxva2"
mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
mpeg2_qsv_hwaccel_deps="libmfx"
mpeg2_qsv_hwaccel_select="qsvdec_mpeg2"
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_crystalhd_decoder_select="crystalhd"
mpeg4_vaapi_hwaccel_deps="vaapi"
mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
mpeg4_vdpau_decoder_deps="vdpau"
mpeg4_vdpau_decoder_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"
msmpeg4_crystalhd_decoder_select="crystalhd"
vc1_crystalhd_decoder_select="crystalhd"
vc1_d3d11va_hwaccel_deps="d3d11va"
vc1_d3d11va_hwaccel_select="vc1_decoder"
vc1_dxva2_hwaccel_deps="dxva2"
vc1_dxva2_hwaccel_select="vc1_decoder"
vc1_vaapi_hwaccel_deps="vaapi"
vc1_vaapi_hwaccel_select="vc1_decoder"
vc1_vdpau_decoder_deps="vdpau"
vc1_vdpau_decoder_select="vc1_decoder"
vc1_vdpau_hwaccel_deps="vdpau"
vc1_vdpau_hwaccel_select="vc1_decoder"
vc1_qsv_hwaccel_deps="libmfx"
vc1_qsv_hwaccel_select="qsvdec_vc1"
wmv3_crystalhd_decoder_select="crystalhd"
wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"

# parsers
h264_parser_select="h264_decoder"
hevc_parser_select="golomb"
mpegvideo_parser_select="mpegvideo"
mpeg4video_parser_select="h263dsp mpegvideo qpeldsp"
vc1_parser_select="mpegvideo startcode vc1_decoder"

# bitstream_filters
mjpeg2jpeg_bsf_select="jpegtables"

# external libraries
chromaprint_muxer_deps="chromaprint"
libaacplus_encoder_deps="libaacplus"
libcelt_decoder_deps="libcelt"
libdcadec_decoder_deps="libdcadec"
libfaac_encoder_deps="libfaac"
libfaac_encoder_select="audio_frame_queue"
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"
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"
libopencore_amrnb_decoder_deps="libopencore_amrnb"
libopencore_amrnb_encoder_deps="libopencore_amrnb"
libopencore_amrnb_encoder_select="audio_frame_queue"
libopencore_amrwb_decoder_deps="libopencore_amrwb"
libopenh264_encoder_deps="libopenh264"
libopenjpeg_decoder_deps="libopenjpeg"
libopenjpeg_encoder_deps="libopenjpeg"
libopus_decoder_deps="libopus"
libopus_encoder_deps="libopus"
libopus_encoder_select="audio_frame_queue"
libquvi_demuxer_deps="libquvi"
libschroedinger_decoder_deps="libschroedinger"
libschroedinger_encoder_deps="libschroedinger"
libshine_encoder_deps="libshine"
libshine_encoder_select="audio_frame_queue"
libspeex_decoder_deps="libspeex"
libspeex_encoder_deps="libspeex"
libspeex_encoder_select="audio_frame_queue"
libstagefright_h264_decoder_deps="libstagefright_h264"
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_decoder_deps="libvorbis"
libvorbis_encoder_deps="libvorbis"
libvorbis_encoder_select="audio_frame_queue"
libvpx_vp8_decoder_deps="libvpx"
libvpx_vp8_encoder_deps="libvpx"
libvpx_vp9_decoder_deps="libvpx"
libvpx_vp9_encoder_deps="libvpx"
libwavpack_encoder_deps="libwavpack"
libwebp_encoder_deps="libwebp"
libwebp_anim_encoder_deps="libwebp"
libx262_encoder_deps="libx262"
libx264_encoder_deps="libx264"
libx264rgb_encoder_deps="libx264"
libx264rgb_encoder_select="libx264_encoder"
libx265_encoder_deps="libx265"
libxavs_encoder_deps="libxavs"
libxvid_encoder_deps="libxvid"
libutvideo_decoder_deps="libutvideo"
libutvideo_encoder_deps="libutvideo"
libzvbi_teletext_decoder_deps="libzvbi"
nvenc_encoder_deps="nvenc"
nvenc_h264_encoder_deps="nvenc"
nvenc_hevc_encoder_deps="nvenc"

# demuxers / muxers
ac3_demuxer_select="ac3_parser"
asf_demuxer_select="riffdec"
asf_o_demuxer_select="riffdec"
asf_muxer_select="riffenc"
asf_stream_muxer_select="asf_muxer"
avi_demuxer_select="riffdec exif"
avi_muxer_select="riffenc"
avisynth_demuxer_deps="avisynth"
avisynth_demuxer_select="riffdec"
caf_demuxer_select="riffdec"
dash_muxer_select="mp4_muxer"
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"
flac_demuxer_select="flac_parser"
hds_muxer_select="flv_muxer"
hls_muxer_select="mpegts_muxer"
image2_alias_pix_demuxer_select="image2_demuxer"
image2_brender_pix_demuxer_select="image2_demuxer"
ipod_muxer_select="mov_muxer"
ismv_muxer_select="mov_muxer"
libnut_demuxer_deps="libnut"
libnut_muxer_deps="libnut"
matroska_audio_muxer_select="matroska_muxer"
matroska_demuxer_select="riffdec"
matroska_demuxer_suggest="bzlib lzo zlib"
matroska_muxer_select="riffenc"
mmf_muxer_select="riffenc"
mov_demuxer_select="riffdec"
mov_demuxer_suggest="zlib"
mov_muxer_select="riffenc rtpenc_chain"
mp3_demuxer_select="mpegaudio_parser"
mp4_muxer_select="mov_muxer"
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="golomb"
opus_muxer_select="ogg_muxer"
psp_muxer_select="mov_muxer"
rtp_demuxer_select="sdp_demuxer"
rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol"
rtsp_demuxer_select="http_protocol rtpdec"
rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
sap_demuxer_select="sdp_demuxer"
sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
sdp_demuxer_select="rtpdec"
smoothstreaming_muxer_select="ismv_muxer"
spdif_muxer_select="aac_parser"
spx_muxer_select="ogg_muxer"
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="riffenc"
wtv_demuxer_select="riffdec"
wtv_muxer_select="riffenc"
xmv_demuxer_select="riffdec"
xwma_demuxer_select="riffdec"

# indevs / outdevs
alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
alsa_outdev_deps="alsa_asoundlib_h"
avfoundation_indev_extralibs="-framework CoreVideo -framework Foundation -framework AVFoundation -framework CoreMedia"
avfoundation_indev_select="avfoundation"
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_outdev_deps="decklink pthreads"
decklink_outdev_extralibs="-lstdc++"
decklink_indev_deps="decklink pthreads"
decklink_indev_extralibs="-lstdc++"
dshow_indev_deps="IBaseFilter"
dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"
dv1394_indev_deps="dv1394"
dv1394_indev_select="dv_demuxer"
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="jack_jack_h sem_timedwait"
lavfi_indev_deps="avfilter"
libcdio_indev_deps="libcdio"
libdc1394_indev_deps="libdc1394"
libv4l2_indev_deps="libv4l2"
openal_indev_deps="openal"
opengl_outdev_deps="opengl"
oss_indev_deps_any="soundcard_h sys_soundcard_h"
oss_outdev_deps_any="soundcard_h sys_soundcard_h"
pulse_indev_deps="libpulse"
pulse_outdev_deps="libpulse"
qtkit_indev_extralibs="-framework QTKit -framework Foundation -framework QuartzCore"
qtkit_indev_select="qtkit"
sdl_outdev_deps="sdl"
sndio_indev_deps="sndio_h"
sndio_outdev_deps="sndio_h"
v4l_indev_deps="linux_videodev_h"
v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
vfwcap_indev_extralibs="-lavicap32"
xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
xv_outdev_extralibs="-lXv -lX11 -lXext"
x11grab_indev_deps="x11grab"
x11grab_xcb_indev_deps="libxcb"

# protocols
async_protocol_deps="threads"
bluray_protocol_deps="libbluray"
ffrtmpcrypt_protocol_deps="!librtmp_protocol"
ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"
ffrtmpcrypt_protocol_select="tcp_protocol"
ffrtmphttp_protocol_deps="!librtmp_protocol"
ffrtmphttp_protocol_select="http_protocol"
ftp_protocol_select="tcp_protocol"
gopher_protocol_select="network"
http_protocol_select="tcp_protocol"
httpproxy_protocol_select="tcp_protocol"
https_protocol_select="tls_protocol"
icecast_protocol_select="http_protocol"
librtmp_protocol_deps="librtmp"
librtmpe_protocol_deps="librtmp"
librtmps_protocol_deps="librtmp"
librtmpt_protocol_deps="librtmp"
librtmpte_protocol_deps="librtmp"
libsmbclient_protocol_deps="libsmbclient gplv3"
libssh_protocol_deps="libssh"
mmsh_protocol_select="http_protocol"
mmst_protocol_select="network"
rtmp_protocol_deps="!librtmp_protocol"
rtmp_protocol_select="tcp_protocol"
rtmpe_protocol_select="ffrtmpcrypt_protocol"
rtmps_protocol_deps="!librtmp_protocol"
rtmps_protocol_select="tls_protocol"
rtmpt_protocol_select="ffrtmphttp_protocol"
rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
rtp_protocol_select="udp_protocol"
sctp_protocol_deps="struct_sctp_event_subscribe"
sctp_protocol_select="network"
srtp_protocol_select="rtp_protocol"
tcp_protocol_select="network"
tls_gnutls_protocol_deps="gnutls !tls_securetransport_protocol"
tls_gnutls_protocol_select="tcp_protocol"
tls_openssl_protocol_deps="openssl !tls_securetransport_protocol !tls_gnutls_protocol"
tls_openssl_protocol_select="tcp_protocol"
tls_securetransport_protocol_deps="securetransport"
tls_securetransport_protocol_select="tcp_protocol"
tls_protocol_deps_any="tls_securetransport_protocol tls_gnutls_protocol tls_openssl_protocol"
udp_protocol_select="network"
udplite_protocol_select="network"
unix_protocol_deps="sys_un_h"
unix_protocol_select="network"

# filters
amovie_filter_deps="avcodec avformat"
aresample_filter_deps="swresample"
ass_filter_deps="libass"
asyncts_filter_deps="avresample"
atempo_filter_deps="avcodec"
atempo_filter_select="rdft"
azmq_filter_deps="libzmq"
blackframe_filter_deps="gpl"
boxblur_filter_deps="gpl"
bs2b_filter_deps="libbs2b"
colormatrix_filter_deps="gpl"
cover_rect_filter_deps="avcodec avformat gpl"
cropdetect_filter_deps="gpl"
delogo_filter_deps="gpl"
deshake_filter_select="pixelutils"
drawtext_filter_deps="libfreetype"
dynaudnorm_filter_deps="copysign erf"
ebur128_filter_deps="gpl"
eq_filter_deps="gpl"
fftfilt_filter_deps="avcodec"
fftfilt_filter_select="rdft"
flite_filter_deps="libflite"
find_rect_filter_deps="avcodec avformat gpl"
frei0r_filter_deps="frei0r dlopen"
frei0r_src_filter_deps="frei0r dlopen"
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 dlopen"
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"
perspective_filter_deps="gpl"
pp7_filter_deps="gpl"
ocr_filter_deps="libtesseract"
ocv_filter_deps="libopencv"
owdenoise_filter_deps="gpl"
pan_filter_deps="swresample"
phase_filter_deps="gpl"
pp_filter_deps="gpl postproc"
pullup_filter_deps="gpl"
removelogo_filter_deps="avcodec avformat swscale"
repeatfields_filter_deps="gpl"
resample_filter_deps="avresample"
rubberband_filter_deps="librubberband"
sab_filter_deps="gpl swscale"
scale_filter_deps="swscale"
scale2ref_filter_deps="swscale"
select_filter_select="pixelutils"
smartblur_filter_deps="gpl swscale"
showcqt_filter_deps="avcodec"
showcqt_filter_select="fft"
showfreqs_filter_deps="avcodec"
showfreqs_filter_select="fft"
showspectrum_filter_deps="avcodec"
showspectrum_filter_select="rdft"
spp_filter_deps="gpl avcodec"
spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"
stereo3d_filter_deps="gpl"
subtitles_filter_deps="avformat avcodec libass"
super2xsai_filter_deps="gpl"
tinterlace_filter_deps="gpl"
vidstabdetect_filter_deps="libvidstab"
vidstabtransform_filter_deps="libvidstab"
pixfmts_super2xsai_test_deps="super2xsai_filter"
tinterlace_merge_test_deps="tinterlace_filter"
tinterlace_pad_test_deps="tinterlace_filter"
uspp_filter_deps="gpl avcodec"
zmq_filter_deps="libzmq"
zoompan_filter_deps="swscale"

# examples
avio_reading="avformat avcodec avutil"
avio_dir_cmd="avformat avutil"
avcodec_example_deps="avcodec avutil"
decoding_encoding_example_deps="avcodec avformat avutil"
demuxing_decoding_example_deps="avcodec avformat 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"
metadata_example_deps="avformat avutil"
muxing_example_deps="avcodec avformat avutil swscale"
qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder vaapi_x11"
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"

# libraries, in linking order
avcodec_deps="avutil"
avdevice_deps="avformat avcodec avutil"
avfilter_deps="avutil"
avformat_deps="avcodec avutil"
avresample_deps="avutil"
postproc_deps="avutil gpl"
swresample_deps="avutil"
swscale_deps="avutil"

# programs
ffmpeg_deps="avcodec avfilter avformat swresample"
ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
               null_filter
               setpts_filter trim_filter"
ffplay_deps="avcodec avformat swscale swresample sdl"
ffplay_libs='$sdl_libs'
ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"
ffprobe_deps="avcodec avformat"
ffserver_deps="avformat fork sarestart"
ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"

# documentation
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="config.log"

# installation paths
prefix_default="/usr/local"
bindir_default='${prefix}/bin'
datadir_default='${prefix}/share/ffmpeg'
docdir_default='${prefix}/share/doc/ffmpeg'
incdir_default='${prefix}/include'
libdir_default='${prefix}/lib'
mandir_default='${prefix}/share/man'

# toolchain
ar_default="ar"
cc_default="gcc"
cxx_default="g++"
host_cc_default="gcc"
cp_f="cp -f"
doxygen_default="doxygen"
install="install"
ln_s="ln -s -f"
nm_default="nm -g"
objformat="elf"
pkg_config_default=pkg-config
ranlib_default="ranlib"
strip_default="strip"
yasmexe_default="yasm"
windres_default="windres"

# 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 $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

sws_max_filter_size_default=256
set_default sws_max_filter_size

# Enable hwaccels by default.
enable d3d11va dxva2 vaapi vda vdpau videotoolbox xvmc
enable xlib

# build settings
SHFLAGS='-shared -Wl,-soname,$$(@F)'
LIBPREF="lib"
LIBSUF=".a"
FULLNAME='$(NAME)$(BUILDSUF)'
LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
SLIBPREF="lib"
SLIBSUF=".so"
SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'

asflags_filter=echo
cflags_filter=echo
ldflags_filter=echo

AS_C='-c'
AS_O='-o $@'
CC_C='-c'
CC_E='-E -o $@'
CC_O='-o $@'
CXX_C='-c'
CXX_O='-o $@'
LD_O='-o $@'
LD_LIB='-l%'
LD_PATH='-L'
HOSTCC_C='-c'
HOSTCC_E='-E -o $@'
HOSTCC_O='-o $@'
HOSTLD_O='-o $@'

host_libs='-lm'
host_cflags_filter=echo