Merge remote branch 'qatar/master'
[ffmpeg.git] / configure
index df1b485..11fb7f8 100755 (executable)
--- a/configure
+++ b/configure
@@ -161,6 +161,7 @@ Configuration options:
 External library support:
   --enable-avisynth        enable reading of AVISynth script files [no]
   --enable-bzlib           enable bzlib [autodetect]
+  --enable-libcelt         enable CELT/Opus decoding via libcelt [no]
   --enable-frei0r          enable frei0r video filtering
   --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
   --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
@@ -179,6 +180,8 @@ External library support:
   --enable-libschroedinger enable Dirac support via libschroedinger [no]
   --enable-libspeex        enable Speex decoding via libspeex [no]
   --enable-libtheora       enable Theora encoding via libtheora [no]
+  --enable-libvo-aacenc    enable AAC encoding via libvo-aacenc [no]
+  --enable-libvo-amrwbenc  enable AMR-WB encoding via libvo-amrwbenc [no]
   --enable-libvorbis       enable Vorbis encoding via libvorbis,
                            native implementation exists [no]
   --enable-libvpx          enable VP8 support via libvpx [no]
@@ -243,6 +246,7 @@ Developer options (useful when working on FFmpeg itself):
   --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
   --samples=PATH           location of test samples for FATE, if not set use
                            \$FATE_SAMPLES at make invocation time.
 
@@ -757,7 +761,7 @@ check_pkg_config(){
     headers="$2"
     funcs="$3"
     shift 3
-    $pkg_config --exists $pkg || return
+    $pkg_config --exists $pkg 2>/dev/null || return
     pkg_cflags=$($pkg_config --cflags $pkg)
     pkg_libs=$($pkg_config --libs $pkg)
     check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
@@ -925,6 +929,7 @@ CONFIG_LIST="
     h264pred
     hardcoded_tables
     huffman
+    libcelt
     libdc1394
     libdirac
     libfaac
@@ -940,6 +945,8 @@ CONFIG_LIST="
     libschroedinger
     libspeex
     libtheora
+    libvo_aacenc
+    libvo_amrwbenc
     libvorbis
     libvpx
     libx264
@@ -1118,7 +1125,9 @@ HAVE_LIST="
     sys_soundcard_h
     sys_videoio_h
     ten_operands
+    termios_h
     threads
+    trunc
     truncf
     vfp_args
     VirtualAlloc
@@ -1145,6 +1154,7 @@ CMDLINE_SELECT="
     extra_warnings
     logging
     optimizations
+    stripping
     symver
     yasm
 "
@@ -1182,6 +1192,7 @@ CMDLINE_SET="
     pkg_config
     samples
     source_path
+    strip
     sysinclude
     sysroot
     target_exec
@@ -1236,19 +1247,19 @@ mdct_select="fft"
 rdft_select="fft"
 
 # decoders / encoders / hardware accelerators
-aac_decoder_select="mdct rdft sinewin"
+aac_decoder_select="mdct sinewin"
 aac_encoder_select="mdct sinewin"
 aac_latm_decoder_select="aac_decoder aac_latm_parser"
 ac3_decoder_select="mdct ac3dsp ac3_parser"
 ac3_encoder_select="mdct ac3dsp"
-ac3_fixed_encoder_select="ac3dsp"
+ac3_fixed_encoder_select="mdct ac3dsp"
 alac_encoder_select="lpc"
 amrnb_decoder_select="lsp"
 amrwb_decoder_select="lsp"
 atrac1_decoder_select="mdct sinewin"
 atrac3_decoder_select="mdct"
-binkaudio_dct_decoder_select="mdct rdft dct"
-binkaudio_rdft_decoder_select="mdct rdft"
+binkaudio_dct_decoder_select="mdct rdft dct sinewin"
+binkaudio_rdft_decoder_select="mdct rdft sinewin"
 cavs_decoder_select="golomb"
 cook_decoder_select="mdct sinewin"
 cscd_decoder_suggest="zlib"
@@ -1264,6 +1275,7 @@ flac_decoder_select="golomb"
 flac_encoder_select="golomb lpc"
 flashsv_decoder_select="zlib"
 flashsv_encoder_select="zlib"
+flashsv2_encoder_select="zlib"
 flv_decoder_select="h263_decoder"
 flv_encoder_select="h263_encoder"
 fraps_decoder_select="huffman"
@@ -1274,12 +1286,12 @@ h263_vaapi_hwaccel_select="vaapi h263_decoder"
 h263i_decoder_select="h263_decoder"
 h263p_encoder_select="h263_encoder"
 h264_decoder_select="golomb h264dsp h264pred"
-h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf"
+h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
 h264_dxva2_hwaccel_deps="dxva2api_h"
 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
 h264_vaapi_hwaccel_select="vaapi"
 h264_vdpau_decoder_select="vdpau h264_decoder"
-imc_decoder_select="fft mdct"
+imc_decoder_select="fft mdct sinewin"
 jpegls_decoder_select="golomb"
 jpegls_encoder_select="golomb"
 ljpeg_encoder_select="aandct"
@@ -1297,9 +1309,11 @@ mpeg4_decoder_select="h263_decoder mpeg4video_parser"
 mpeg4_encoder_select="h263_encoder"
 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
+mpeg1_vdpau_hwaccel_select="vdpau mpeg1video_decoder"
 mpeg2_crystalhd_decoder_select="crystalhd"
 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
+mpeg2_vdpau_hwaccel_select="vdpau mpeg2video_decoder"
 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
 mpeg4_crystalhd_decoder_select="crystalhd"
 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
@@ -1382,6 +1396,7 @@ vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
 h264_parser_select="golomb h264dsp h264pred"
 
 # external libraries
+libcelt_decoder_deps="libcelt"
 libdirac_decoder_deps="libdirac !libschroedinger"
 libdirac_encoder_deps="libdirac"
 libfaac_encoder_deps="libfaac"
@@ -1398,6 +1413,8 @@ libschroedinger_decoder_deps="libschroedinger"
 libschroedinger_encoder_deps="libschroedinger"
 libspeex_decoder_deps="libspeex"
 libtheora_encoder_deps="libtheora"
+libvo_aacenc_encoder_deps="libvo_aacenc"
+libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
 libvorbis_encoder_deps="libvorbis"
 libvpx_decoder_deps="libvpx"
 libvpx_encoder_deps="libvpx"
@@ -1442,7 +1459,7 @@ alsa_outdev_deps="alsa_asoundlib_h"
 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
 dv1394_indev_deps="dv1394 dv_demuxer"
 fbdev_indev_deps="linux_fb_h"
-jack_indev_deps="jack_jack_h"
+jack_indev_deps="jack_jack_h sem_timedwait"
 libdc1394_indev_deps="libdc1394"
 oss_indev_deps_any="soundcard_h sys_soundcard_h"
 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
@@ -1473,7 +1490,8 @@ drawtext_filter_deps="libfreetype"
 frei0r_filter_deps="frei0r dlopen strtok_r"
 frei0r_src_filter_deps="frei0r dlopen strtok_r"
 hqdn3d_filter_deps="gpl"
-mp_filter_deps="gpl"
+movie_filter_deps="avcodec avformat"
+mp_filter_deps="gpl avcodec"
 ocv_filter_deps="libopencv"
 scale_filter_deps="swscale"
 yadif_filter_deps="gpl"
@@ -1621,6 +1639,7 @@ nm_default="nm"
 objformat="elf"
 pkg_config_default=pkg-config
 ranlib="ranlib"
+strip_default="strip"
 yasmexe="yasm"
 nogas=":"
 
@@ -1653,6 +1672,7 @@ enable network
 enable optimizations
 enable protocols
 enable static
+enable stripping
 enable swscale
 enable swscale_alpha
 
@@ -1829,16 +1849,22 @@ cc_default="${cross_prefix}${cc_default}"
 nm_default="${cross_prefix}${nm_default}"
 pkg_config_default="${cross_prefix}${pkg_config_default}"
 ranlib="${cross_prefix}${ranlib}"
+strip_default="${cross_prefix}${strip_default}"
 
 sysinclude_default="${sysroot}/usr/include"
 
-set_default cc nm pkg_config sysinclude
+set_default cc nm pkg_config strip sysinclude
 enabled cross_compile || host_cc_default=$cc
 set_default host_cc
 
+if ! $pkg_config --version >/dev/null 2>&1; then
+    warn "$pkg_config not found, library detection may fail."
+    pkg_config=false
+fi
+
 exesuf() {
     case $1 in
-        mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
+        mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
     esac
 }
 
@@ -2391,6 +2417,7 @@ case $target_os in
         ;;
     bsd/os)
         add_extralibs -lpoll -lgnugetopt
+        strip="strip -d"
         ;;
     darwin)
         enable malloc_aligned
@@ -2398,6 +2425,7 @@ case $target_os in
         enabled ppc && add_asflags -force_cpusubtype_ALL
         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
+        strip="${strip} -x"
         add_ldflags -Wl,-dynamic,-search_paths_first
         SLIBSUF=".dylib"
         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
@@ -2417,7 +2445,7 @@ case $target_os in
         LIBTARGET=i386
         if enabled x86_64; then
             enable malloc_aligned
-            LIBTARGET="i386:x86-64"
+            LIBTARGET=x64
         elif enabled arm; then
             LIBTARGET=arm-wince
         fi
@@ -2426,7 +2454,7 @@ case $target_os in
         SLIBSUF=".dll"
         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
-        SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
+        SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
         SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
             install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
             install -d "$(LIBDIR)"; \
@@ -2434,7 +2462,6 @@ case $target_os in
         SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
         SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
         objformat="win32"
-        dlltool="${cross_prefix}dlltool"
         enable dos_paths
         check_cflags -fno-common
         check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
@@ -2467,6 +2494,7 @@ case $target_os in
         ranlib="echo ignoring ranlib"
         ;;
     os/2*)
+        strip="lxlite -CS"
         ln_s="cp -f"
         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
@@ -2496,6 +2524,11 @@ case $target_os in
         add_cppflags -D_QNX_SOURCE
         network_extralibs="-lsocket"
         ;;
+    symbian)
+        SLIBSUF=".dll"
+        enable dos_paths
+        add_cflags --include=$sysinclude/gcce/gcce.h
+        ;;
     none)
         ;;
     *)
@@ -2536,6 +2569,8 @@ die_license_disabled nonfree libfaac
 
 die_license_disabled version3 libopencore_amrnb
 die_license_disabled version3 libopencore_amrwb
+die_license_disabled version3 libvo_aacenc
+die_license_disabled version3 libvo_amrwbenc
 
 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
 
@@ -2803,6 +2838,7 @@ check_header poll.h
 check_header sys/mman.h
 check_header sys/resource.h
 check_header sys/select.h
+check_header termios.h
 check_header vdpau/vdpau.h
 check_header vdpau/vdpau_x11.h
 check_header X11/extensions/XvMClib.h
@@ -2844,8 +2880,9 @@ for thread in $THREADS_LIST; do
     fi
 done
 
-check_lib math.h sin -lm
+check_lib math.h sin -lm && LIBM="-lm"
 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
+enabled vaapi && require vaapi va/va.h vaInitialize -lva
 
 check_mathfunc exp2
 check_mathfunc exp2f
@@ -2857,10 +2894,12 @@ check_mathfunc lrint
 check_mathfunc lrintf
 check_mathfunc round
 check_mathfunc roundf
+check_mathfunc trunc
 check_mathfunc truncf
 
 # these are off by default, so fail if requested and not available
 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
+enabled libcelt    && require libcelt celt/celt.h celt_decode -lcelt0
 enabled frei0r     && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
 enabled libdirac   && require_pkg_config dirac                          \
     "libdirac_decoder/dirac_parser.h libdirac_encoder/dirac_encoder.h"  \
@@ -2878,12 +2917,14 @@ 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_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
                                 die "ERROR: libvpx decoder version must be >=0.9.1"; }
-    enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
-                                die "ERROR: libvpx encoder version must be >=0.9.1"; } }
+    enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VPX_CQ" -lvpx ||
+                                die "ERROR: libvpx encoder version must be >=0.9.6"; } }
 enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 &&
                       { check_cpp_condition x264.h "X264_BUILD >= 99" ||
                         die "ERROR: libx264 version must be >= 0.99."; }
@@ -2928,12 +2969,19 @@ check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_def
 check_header dev/ic/bt8xx.h
 
 check_header sndio.h
-check_header sys/soundcard.h
+if check_struct sys/soundcard.h audio_buf_info bytes; then
+    enable_safe sys/soundcard.h
+else
+    check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
+    #include <sys/soundcard.h>
+    audio_buf_info abc;
+EOF
+fi
 check_header soundcard.h
 
 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
 
-enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
+enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait
 
 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
 
@@ -2945,7 +2993,12 @@ check_func XOpenDisplay -lX11           &&
 check_func XShmCreateImage -lX11 -lXext &&
 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
 
-disabled vaapi || check_lib va/va.h vaInitialize -lva || disable vaapi
+if ! disabled vaapi; then
+    check_lib va/va.h vaInitialize -lva && {
+        check_cpp_condition va/va_version.h "VA_CHECK_VERSION(0,32,0)" ||
+        warn "Please upgrade to VA-API >= 0.32 if you would like full VA-API support.";
+    } || disable vaapi
+fi
 
 if ! disabled vdpau && enabled vdpau_vdpau_h; then
 check_cpp_condition \
@@ -2970,6 +3023,7 @@ check_cflags -Wwrite-strings
 check_cflags -Wtype-limits
 check_cflags -Wundef
 check_cflags -Wmissing-prototypes
+check_cflags -Wno-pointer-to-int-cast
 enabled extra_warnings && check_cflags -Winline
 
 # add some linker flags
@@ -3122,6 +3176,7 @@ if enabled sparc; then
     echo "VIS enabled               ${vis-no}"
 fi
 echo "debug symbols             ${debug-no}"
+echo "strip symbols             ${stripping-no}"
 echo "optimizations             ${optimizations-no}"
 echo "static                    ${static-no}"
 echo "shared                    ${shared-no}"
@@ -3132,6 +3187,7 @@ echo "threading support         ${thread_type-no}"
 echo "SDL support               ${sdl-no}"
 echo "Sun medialib support      ${mlib-no}"
 echo "AVISynth enabled          ${avisynth-no}"
+echo "libcelt enabled           ${libcelt-no}"
 echo "frei0r enabled            ${frei0r-no}"
 echo "libdc1394 support         ${libdc1394-no}"
 echo "libdirac enabled          ${libdirac-no}"
@@ -3147,6 +3203,9 @@ echo "librtmp enabled           ${librtmp-no}"
 echo "libschroedinger enabled   ${libschroedinger-no}"
 echo "libspeex enabled          ${libspeex-no}"
 echo "libtheora enabled         ${libtheora-no}"
+echo "libva enabled             ${vaapi-no}"
+echo "libvo-aacenc support      ${libvo_aacenc-no}"
+echo "libvo-amrwbenc support    ${libvo_amrwbenc-no}"
 echo "libvorbis enabled         ${libvorbis-no}"
 echo "libvpx enabled            ${libvpx-no}"
 echo "libx264 enabled           ${libx264-no}"
@@ -3217,6 +3276,8 @@ if enabled source_path_used; then
     map 'test -f "$source_path/$v" && $ln_s "$source_path/$v" $v' $FILES
 fi
 
+enabled stripping || strip="echo skipping strip"
+
 config_files="$TMPH config.mak"
 
 cat > config.mak <<EOF
@@ -3244,12 +3305,13 @@ YASM=$yasmexe
 YASMDEP=$yasmexe
 AR=$ar
 RANLIB=$ranlib
+CP=cp -p
 LN_S=$ln_s
+STRIP=$strip
 CPPFLAGS=$CPPFLAGS
 CFLAGS=$CFLAGS
 ASFLAGS=$ASFLAGS
 CC_O=$CC_O
-DLLTOOL=$dlltool
 LDFLAGS=$LDFLAGS
 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
 SHFLAGS=$SHFLAGS
@@ -3288,7 +3350,7 @@ SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
 SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
 SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
-SAMPLES=${samples:-\$(FATE_SAMPLES)}
+SAMPLES:=${samples:-\$(FATE_SAMPLES)}
 EOF
 
 get_version(){
@@ -3430,10 +3492,10 @@ Cflags: -I\${includedir}
 EOF
 }
 
-pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
-pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs"
+pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBM"
+pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
-pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
-pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
+pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
+pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"