--disable-filters disable all filters
External library support:
- --enable-avisynth enable reading of AVISynth script files [no]
+ --enable-avisynth enable reading of AviSynth script files [no]
--enable-bzlib enable bzlib [autodetect]
--enable-frei0r enable frei0r video filtering
--enable-gnutls enable gnutls [no]
--enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
--enable-libvorbis enable Vorbis encoding via libvorbis [no]
--enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
+ --enable-libwavpack enable wavpack encoding via libwavpack [no]
--enable-libx264 enable H.264 encoding via x264 [no]
--enable-libxavs enable AVS encoding via xavs [no]
--enable-libxvid enable Xvid encoding via xvidcore,
libvo_amrwbenc
libvorbis
libvpx
+ libwavpack
libx264
libxavs
libxvid
ibm_asm
inet_aton
io_h
+ inline_asm_labels
isatty
jack_port_get_latency_range
ldbrx
nanosleep
poll_h
posix_memalign
+ pragma_deprecated
rdtsc
sched_getaffinity
sdl
h264_vaapi_hwaccel_select="h264_decoder"
h264_vda_hwaccel_deps="vda"
h264_vda_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"
-mpeg_vdpau_decoder_deps="vdpau"
-mpeg_vdpau_decoder_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"
mpeg2_dxva2_hwaccel_deps="dxva2"
mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
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"
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"
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
libvpx_vp8_encoder_deps="libvpx"
libvpx_vp9_decoder_deps="libvpx"
libvpx_vp9_encoder_deps="libvpx"
+libwavpack_encoder_deps="libwavpack"
libx264_encoder_deps="libx264"
libxavs_encoder_deps="libxavs"
libxvid_encoder_deps="libxvid"
# build settings
SHFLAGS='-shared -Wl,-soname,$$(@F)'
-AVSERVERLDFLAGS=-Wl,-E
LIBPREF="lib"
LIBSUF=".a"
FULLNAME='$(NAME)$(BUILDSUF)'
-Wall) ;;
-std=c99) ;;
# Common flags
- -fomit-frame-pointer) echo -Oy ;;
+ -fomit-frame-pointer) ;;
-g) echo -Z7 ;;
-fno-math-errno) ;;
-fno-common) ;;
msvc_common_flags "$@"
for flag; do
case $flag in
- -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
+ -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
-wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
-wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
-wd4996 -wd4273 ;;
corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
amdfam10|barcelona|bdver*) echo -xarch=sse4_1 ;;
- athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
+ athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
k8|opteron|athlon64|athlon-fx)
- echo -xarch=sse2a ;;
- athlon*) echo -xarch=pentium_proa ;;
+ echo -xarch=sse2a ;;
+ athlon*) echo -xarch=pentium_proa ;;
esac
;;
-std=c99) echo -xc99 ;;
_DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
_cflags_speed="-O2"
_cflags_size="-O1"
- # Nonstandard output options, to avoid msys path conversion issues, relies on wrapper to remap it
+ # Nonstandard output options, to avoid msys path conversion issues.
+ # Relies on wrapper to remap it.
if $_cc 2>&1 | grep -q Linker; then
_ld_o='-out $@'
else
_type=icl
_ident=$($cc 2>&1 | head -n1)
_depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
- # Not only is O3 broken on 13.x+ but it's slower on all previous versions (tested) as well
+ # Not only is O3 broken on 13.x+ but it is slower on all previous
+ # versions (tested) as well.
_cflags_speed="-O2"
_cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
- # Nonstandard output options, to avoid msys path conversion issues, relies on wrapper to remap it
+ # Nonstandard output options, to avoid msys path conversion issues.
+ # Relies on wrapper to remap it.
if $_cc 2>&1 | grep -q Linker; then
_ld_o='-out $@'
else
_flags_filter=icl_flags
_ld_lib='lib%.a'
_ld_path='-libpath:'
- # -Qdiag-error to make icl error when presented with certain unknown arguments
+ # -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 with msvc which enables it by default
- _cflags='-D_USE_MATH_DEFINES -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS'
+ # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency
+ # with MSVC which enables it by default.
+ _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS'
if [ $pfx = hostcc ]; then
append _cflags -Dsnprintf=_snprintf
fi
elif $ar 2>&1 | grep -q 'Texas Instruments'; then
arflags="rq"
ar_o='$@'
+elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
+ arflags='-Xany -r -c'
+ ar_o='$@'
else
arflags="rc"
ar_o='$@'
fi
if test "$cpu" = host; then
- enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
+ enabled cross_compile &&
+ die "--cpu=host makes no sense when cross-compiling."
case "$cc_type" in
gcc|llvm_gcc)
;;
esac
- test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
+ test "${cpu:-host}" = host &&
+ die "--cpu=host not supported with compiler $cc"
fi
# Deal with common $arch aliases
# OS specific
case $target_os in
+ aix)
+ SHFLAGS=-shared
+ add_cppflags '-I\$(SRC_PATH)/compat/aix'
+ enabled shared && add_ldflags -Wl,-brtl
+ ;;
haiku)
prefix_default="/boot/common"
network_extralibs="-lnetwork"
host_libs=
;;
sunos)
- AVSERVERLDFLAGS=""
SHFLAGS='-shared -Wl,-h,$$(@F)'
enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
network_extralibs="-lsocket -lnsl"
# the Solaris assembler. As our libraries contain their own
# guards for processor-specific code, instead suppress
# generation of the HWCAPS ELF section on Solaris x86 only.
- enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
+ enabled_all suncc x86 &&
+ echo "hwcap_1 = OVERRIDE;" > mapfile &&
+ add_ldflags -Wl,-M,mapfile
nm_default='nm -P -g'
;;
netbsd)
SLIBSUF=".dylib"
SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
- AVSERVERLDFLAGS=-Wl,-bind_at_load
objformat="macho"
enabled x86_64 && objformat="macho64"
enabled_any pic shared ||
dlltool="${cross_prefix}dlltool"
ranlib=:
enable dos_paths
- disable pic
;;
win32|win64)
if enabled shared; then
# Link to the import library instead of the normal static library
# for shared libs.
LD_LIB='%.lib'
- # Cannot build shared and static libraries at the same time with
- # MSVC.
+ # Cannot build shared and static libs at the same time with MSVC.
disable static
fi
shlibdir_default="$bindir_default"
objformat="win32"
ranlib=:
enable dos_paths
- disable pic
;;
cygwin*)
target_os=cygwin
SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
objformat="win32"
enable dos_paths
- disable pic
;;
*-dos|freedos|opendos)
network_extralibs="-lsocket"
add_cppflags -D_GNU_SOURCE
add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
- AVSERVERLDFLAGS=""
LIBSUF="_s.a"
SLIBPREF=""
SLIBSUF=".dll"
;;
osf1)
add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
- AVSERVERLDFLAGS=
;;
minix)
;;
disabled pic && return
enable pic
add_cppflags -DPIC
- add_cflags -fPIC
+ case "$target_os" in
+ mingw*|cygwin*)
+ ;;
+ *)
+ add_cflags -fPIC
+ ;;
+ esac
add_asflags -fPIC
}
EOF
done
+check_cc <<EOF && enable pragma_deprecated
+void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
+EOF
+
check_cc <<EOF && enable attribute_packed
struct { int x; } __attribute__((packed)) x;
EOF
EOF
od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
+check_inline_asm inline_asm_labels '"1:\n"'
+
if enabled alpha; then
check_cflags -mieee
done
enabled sync_val_compare_and_swap && enable atomics_gcc
-enabled machine_rw_barrier && enabled atomic_cas_ptr && enable atomics_suncc
+enabled_all atomic_cas_ptr machine_rw_barrier && enable atomics_suncc
enabled MemoryBarrier && enable atomics_win32
check_lib math.h sin -lm && LIBM="-lm"
done
# these are off by default, so fail if requested and not available
-enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
-enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
-enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
-enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
-enabled libfdk_aac && require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac
-enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
-enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
- check_lib "${gsm_hdr}" gsm_create -lgsm && break;
- done || die "ERROR: libgsm not found"; }
-enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
-enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
-enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
-enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
-enabled libopencv && require_pkg_config opencv opencv/cv.h cvCreateImageHeader
-enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
-enabled libopus && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
-enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
-enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
-enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
-enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
-enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
-enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
-enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
-enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
-enabled libvpx && {
+enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
+enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
+enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
+enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
+enabled libfdk_aac && require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac
+enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
+enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
+ check_lib "${gsm_hdr}" gsm_create -lgsm && break;
+ done || die "ERROR: libgsm not found"; }
+enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
+enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
+enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
+enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
+enabled libopencv && require_pkg_config opencv opencv/cv.h cvCreateImageHeader
+enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
+enabled libopus && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
+enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
+enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
+enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
+enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
+enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
+enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
+enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
+enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
+enabled libvpx && {
enabled libvpx_vp8_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
- die "ERROR: libvpx decoder version must be >=0.9.1"; }
+ die "ERROR: libvpx decoder version must be >=0.9.1"; }
enabled libvpx_vp8_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VPX_CQ" -lvpx ||
- die "ERROR: libvpx encoder version must be >=0.9.6"; }
- enabled libvpx_vp9_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx || disable libvpx_vp9_decoder; }
+ die "ERROR: libvpx encoder version must be >=0.9.6"; }
+ enabled libvpx_vp9_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx || disable libvpx_vp9_decoder; }
enabled libvpx_vp9_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx" -lvpx || disable libvpx_vp9_encoder; } }
-enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
- { check_cpp_condition x264.h "X264_BUILD >= 118" ||
- die "ERROR: libx264 version must be >= 0.118."; }
-enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
-enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
-enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
- check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
- check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
- die "ERROR: openssl not found"; }
+enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack
+enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
+ { check_cpp_condition x264.h "X264_BUILD >= 118" ||
+ die "ERROR: libx264 version must be >= 0.118."; }
+enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
+enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
+enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
+ check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
+ check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
+ die "ERROR: openssl not found"; }
if enabled gnutls; then
{ check_lib nettle/bignum.h nettle_mpz_get_str_256 -lnettle -lhogweed -lgmp && enable nettle; } ||
check_header sys/soundcard.h
check_header soundcard.h
-enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
+enabled_any alsa_indev alsa_outdev &&
+ check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack &&
check_func jack_port_get_latency_range -ljack
enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
if enabled libcdio; then
- check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio || check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio
+ check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
+ check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio
fi
enabled x11grab &&
add_cflags -pds=824 -pds=837
elif enabled pathscale; then
add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
-elif enabled msvc; then
+elif enabled_any msvc icl; then
enabled x86_32 && disable aligned_stack
-elif enabled icl; then
- enabled x86_32 && disable aligned_stack
- # basically -fstrict-aliasing for icl that doesn't work (correctly) on 13.x+
- check_cpp_condition "windows.h" "__ICL < 1300" && add_cflags -Qansi-alias
- # icl will pass the inline asm tests but inline asm is currently not supported (build will fail)
- disable inline_asm
+ enabled_all x86_32 debug && add_cflags -Oy-
+ enabled debug && add_ldflags -debug
+ if enabled icl; then
+ # basically -fstrict-aliasing that does not work (correctly) on icl 13.x
+ check_cpp_condition "windows.h" "__ICL < 1300" && add_cflags -Qansi-alias
+ # icl will pass the inline asm tests but inline asm is currently
+ # not supported (build will fail)
+ disable inline_asm
+ fi
fi
case $target_os in
LD_PATH=$LD_PATH
DLLTOOL=$dlltool
LDFLAGS=$LDFLAGS
-LDFLAGS-avserver=$AVSERVERLDFLAGS
SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
YASMFLAGS=$YASMFLAGS
BUILDSUF=$build_suffix
enabled resample_filter && prepend lavfi_libs "libavresample >= $LIBAVRESAMPLE_VERSION,"
enabled scale_filter && prepend lavfi_libs "libswscale >= $LIBSWSCALE_VERSION,"
-pkgconfig_generate libavutil "Libav utility library" "$LIBAVUTIL_VERSION" "$LIBM"
-pkgconfig_generate libavcodec "Libav codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
-pkgconfig_generate libavformat "Libav container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
-pkgconfig_generate libavdevice "Libav device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
-pkgconfig_generate libavfilter "Libav video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$lavfi_libs"
+pkgconfig_generate libavutil "Libav utility library" "$LIBAVUTIL_VERSION" "$LIBM"
+pkgconfig_generate libavcodec "Libav codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
+pkgconfig_generate libavformat "Libav container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
+pkgconfig_generate libavdevice "Libav device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
+pkgconfig_generate libavfilter "Libav video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$lavfi_libs"
pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
-pkgconfig_generate libswscale "Libav image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"
+pkgconfig_generate libswscale "Libav image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"