3 # FFmpeg configure script
5 # Copyright (c) 2000-2002 Fabrice Bellard
6 # Copyright (c) 2005-2008 Diego Biurrun
7 # Copyright (c) 2005-2008 Mans Rullgard
10 # Prevent locale nonsense from breaking basic text processing.
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
18 echo "Trying shell $1"
19 type "$1" > /dev/null 2>&1 && exec "$@"
23 (: ${foo%%bar}) 2> /dev/null
26 (: ${foo?}) 2> /dev/null
29 if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
32 if test "0$FF_CONF_EXEC" -lt 1; then
34 try_exec bash "$0" "$@"
36 if test "0$FF_CONF_EXEC" -lt 2; then
38 try_exec ksh "$0" "$@"
40 if test "0$FF_CONF_EXEC" -lt 3; then
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
44 echo "No compatible shell script interpreter found."
45 echo "This configure script requires a POSIX-compatible shell"
46 echo "such as bash or ksh."
47 echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken FFmpeg."
50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
58 echo "Usage: configure [options]"
59 echo "Options: [defaults in brackets after descriptions]"
61 echo "Standard options:"
62 echo " --help print this message"
63 echo " --logfile=FILE log tests and output to FILE [config.err]"
64 echo " --disable-logging do not log configure debug information"
65 echo " --prefix=PREFIX install in PREFIX [$prefix]"
66 echo " --bindir=DIR install binaries in DIR [PREFIX/bin]"
67 echo " --libdir=DIR install libs in DIR [PREFIX/lib]"
68 echo " --shlibdir=DIR install shared libs in DIR [PREFIX/lib]"
69 echo " --incdir=DIR install includes in DIR [PREFIX/include]"
70 echo " --mandir=DIR install man page in DIR [PREFIX/share/man]"
71 echo " --enable-static build static libraries [default=yes]"
72 echo " --disable-static do not build static libraries [default=no]"
73 echo " --enable-shared build shared libraries [default=no]"
74 echo " --disable-shared do not build shared libraries [default=yes]"
75 echo " --enable-gpl allow use of GPL code, the resulting libav*"
76 echo " and ffmpeg will be under GPL [default=no]"
77 echo " --enable-nonfree allow use of nonfree code, the resulting libav*"
78 echo " and ffmpeg will be unredistributable [default=no]"
79 echo " --enable-postproc enable GPLed postprocessing support [default=no]"
80 echo " --enable-swscale software scaler support [default=no]"
81 echo " --enable-avfilter video filter support (replaces vhook) [default=no]"
82 echo " --enable-avfilter-lavf video filters dependant on avformat [default=no]"
83 echo " --enable-beosthreads use BeOS threads [default=no]"
84 echo " --enable-os2threads use OS/2 threads [default=no]"
85 echo " --enable-pthreads use pthreads [default=no]"
86 echo " --enable-w32threads use Win32 threads [default=no]"
87 echo " --enable-x11grab enable X11 grabbing [default=no]"
89 echo "External library support:"
90 echo " --enable-mlib use Sun medialib [default=no]"
91 echo " --enable-avisynth allow reading AVISynth script files [default=no]"
92 echo " --enable-libamr-nb enable libamr-nb floating point audio codec"
93 echo " --enable-libamr-wb enable libamr-wb floating point audio codec"
94 echo " --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394"
95 echo " and libraw1394 [default=no]"
96 echo " --enable-libdirac enable Dirac support via libdirac [default=no]"
97 echo " --enable-libfaac enable FAAC support via libfaac [default=no]"
98 echo " --enable-libfaad enable FAAD support via libfaad [default=no]"
99 echo " --enable-libfaadbin open libfaad.so.0 at runtime [default=no]"
100 echo " --enable-libgsm enable GSM support via libgsm [default=no]"
101 echo " --enable-libmp3lame enable MP3 encoding via libmp3lame [default=no]"
102 echo " --enable-libnut enable NUT (de)muxing via libnut,"
103 echo " native demuxer exists [default=no]"
104 echo " --enable-libschroedinger enable Dirac support via libschroedinger [default=no]"
105 echo " --enable-libspeex enable Speex decoding via libspeex [default=no]"
106 echo " --enable-libtheora enable Theora encoding via libtheora [default=no]"
107 echo " --enable-libvorbis enable Vorbis encoding via libvorbis,"
108 echo " native implementation exists [default=no]"
109 echo " --enable-libx264 enable H.264 encoding via x264 [default=no]"
110 echo " --enable-libxvid enable Xvid encoding via xvidcore,"
111 echo " native MPEG-4/Xvid encoder exists [default=no]"
113 echo "Advanced options (experts only):"
114 echo " --source-path=PATH path to source code [$source_path]"
115 echo " --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]"
116 echo " --enable-cross-compile assume a cross-compiler is used"
117 echo " --target-os=OS compiler targets OS [$target_os]"
118 echo " --cc=CC use C compiler CC [$cc]"
119 echo " --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]"
120 echo " --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
121 echo " --extra-libs=ELIBS add ELIBS [$ELIBS]"
122 echo " --extra-version=STRING version string suffix []"
123 echo " --build-suffix=SUFFIX suffix for application specific build []"
124 echo " --arch=ARCH select architecture [$arch]"
125 echo " --cpu=CPU selects the minimum cpu required (affects"
126 echo " instruction selection, may crash on older CPUs)"
127 echo " --enable-powerpc-perf enable performance report on PPC"
128 echo " (requires enabling PMC)"
129 echo " --disable-mmx disable MMX usage"
130 echo " --disable-mmx2 disable MMX2 usage"
131 echo " --disable-ssse3 disable SSSE3 usage"
132 echo " --disable-armv5te disable armv5te usage"
133 echo " --disable-armv6 disable armv6 usage"
134 echo " --disable-armvfp disable ARM VFP usage"
135 echo " --disable-iwmmxt disable iwmmxt usage"
136 echo " --disable-altivec disable AltiVec usage"
137 echo " --disable-network disable network support [default=no]"
138 echo " --disable-ipv6 disable ipv6 support [default=no]"
139 echo " --disable-zlib disable zlib [default=no]"
140 echo " --disable-bzlib disable bzlib [default=no]"
141 echo " --disable-vhook disable video hooking support"
142 echo " --disable-mpegaudio-hp faster (but less accurate)"
143 echo " MPEG audio decoding [default=no]"
144 echo " --enable-gray enable full grayscale support (slower color)"
145 echo " --disable-ffmpeg disable ffmpeg build"
146 echo " --disable-ffserver disable ffserver build"
147 echo " --disable-ffplay disable ffplay build"
148 echo " --enable-small optimize for size instead of speed"
149 echo " --enable-hardcoded-tables use hardcoded tables instead of runtime generation"
150 echo " --enable-memalign-hack emulate memalign, interferes with memory debuggers"
151 echo " --disable-encoder=NAME disables encoder NAME"
152 echo " --enable-encoder=NAME enables encoder NAME"
153 echo " --disable-decoder=NAME disables decoder NAME"
154 echo " --enable-decoder=NAME enables decoder NAME"
155 echo " --disable-encoders disables all encoders"
156 echo " --disable-decoders disables all decoders"
157 echo " --disable-muxer=NAME disables muxer NAME"
158 echo " --enable-muxer=NAME enables muxer NAME"
159 echo " --disable-muxers disables all muxers"
160 echo " --disable-demuxer=NAME disables demuxer NAME"
161 echo " --enable-demuxer=NAME enables demuxer NAME"
162 echo " --disable-demuxers disables all demuxers"
163 echo " --enable-parser=NAME enables parser NAME"
164 echo " --disable-parser=NAME disables parser NAME"
165 echo " --disable-parsers disables all parsers"
166 echo " --enable-bsf=NAME enables bitstream filter NAME"
167 echo " --disable-bsf=NAME disables bitstream filter NAME"
168 echo " --disable-bsfs disables all bitstream filters"
169 echo " --enable-protocol=NAME enables protocol NAME"
170 echo " --disable-protocol=NAME disables protocol NAME"
171 echo " --disable-protocols disables all protocols"
172 echo " --disable-devices disables all devices"
173 echo " --enable-filter=NAME enables filter NAME"
174 echo " --disable-filter=NAME disables filter NAME"
175 echo " --disable-filters disables all filters"
176 echo " --list-decoders show all available decoders"
177 echo " --list-encoders show all available encoders"
178 echo " --list-muxers show all available muxers"
179 echo " --list-demuxers show all available demuxers"
180 echo " --list-parsers show all available parsers"
181 echo " --list-protocols show all available protocols"
182 echo " --list-bsfs show all available bitstream filters"
183 echo " --list-indevs show all available input devices"
184 echo " --list-outdevs show all available output devices"
185 echo " --list-filters show all available filters"
187 echo "Developer options (useful when working on FFmpeg itself):"
188 echo " --disable-debug disable debugging symbols"
189 echo " --enable-debug=LEVEL set the debug level [$debuglevel]"
190 echo " --enable-gprof enable profiling with gprof [$gprof]"
191 echo " --disable-optimizations disable compiler optimizations"
192 echo " --enable-extra-warnings enable more compiler warnings"
193 echo " --disable-stripping disable stripping of executables and shared libraries"
195 echo "NOTE: Object files are built at the place where configure is launched."
200 echo "$@" >> $logfile
205 pr -n -t $1 >> $logfile
217 If you think configure made a mistake, make sure you are using the latest
218 version from SVN. If the latest version fails, report the problem to the
219 ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
221 if disabled logging; then
223 Rerun configure with logging enabled (do not use --disable-logging), and
224 include the log this produces with your report.
228 Include the log file "$logfile" produced by configure as this will help
232 rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
236 # Avoid locale weirdness, besides we really just want to translate ASCII.
238 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
242 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
257 eval : \${$var:=$value}
263 eval level=\${${var}_level:=0}
264 eval ${var}_${level}="\$$var"
265 eval ${var}_level=$(($level+1))
271 eval level=\${${var}_level:-0}
272 test $level = 0 && continue
273 eval level=$(($level-1))
274 eval $var="\${${var}_${level}}"
275 eval ${var}_level=$level
276 eval unset ${var}_${level}
298 enabled $var && continue
299 eval sel="\$${var}_select"
300 eval sgs="\$${var}_suggest"
304 enable_deep_weak $sgs
320 test "${1#!}" = "$1" && op== || op=!=
321 eval test "x\$${1#!}" $op "xyes"
325 test "${1#!}" = "$1" && op== || op=!=
326 eval test "x\$${1#!}" $op "xno"
331 enabled $opt || return 1
337 disabled $opt || return 1
343 enabled $opt && return 0
349 disabled $opt && return 0
356 eval test -z "\$$opt" && eval $opt=\$${opt}_default
364 [ $var = $value ] && return 0
372 enabled ${cfg}_checking && die "Circular dependency for $cfg."
373 disabled ${cfg}_checking && continue
374 enable ${cfg}_checking
376 eval dep_all="\$${cfg}_deps"
377 eval dep_any="\$${cfg}_deps_any"
378 eval dep_sel="\$${cfg}_select"
379 eval dep_sgs="\$${cfg}_suggest"
381 pushvar cfg dep_all dep_any dep_sel dep_sgs
382 check_deps $dep_all $dep_any $dep_sel $dep_sgs
383 popvar cfg dep_all dep_any dep_sel dep_sgs
385 enabled_all $dep_all || disable $cfg
386 enabled_any $dep_any || disable $cfg
387 disabled_any $dep_sel && disable $cfg
389 if enabled $cfg; then
390 eval dep_extralibs="\$${cfg}_extralibs"
391 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
393 enable_deep_weak $dep_sgs
396 disable ${cfg}_checking
406 ucname="`toupper $cfg`"
407 if enabled $cfg; then
408 echo "#define ${pfx}${ucname} 1" >> $header
409 echo "#define ENABLE_${ucname} 1" >> $header
410 echo "${pfx}${ucname}=yes" >> $makefile
412 echo "#define ENABLE_${ucname} 0" >> $header
418 (: ${SAVE_CFLAGS?}) 2> /dev/null
422 flags_saved && return
423 SAVE_CFLAGS="$CFLAGS"
424 SAVE_LDFLAGS="$LDFLAGS"
425 SAVE_extralibs="$extralibs"
429 flags_saved || return
430 CFLAGS="$SAVE_CFLAGS"
431 LDFLAGS="$SAVE_LDFLAGS"
432 extralibs="$SAVE_extralibs"
445 LDFLAGS="$LDFLAGS $*"
450 extralibs="$extralibs $*"
456 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
457 eval "$var=\"\$$var $*\""
469 append extralibs "$@"
474 "$@" >> $logfile 2>&1
481 check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
488 check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
496 check_cc "$@" <<EOF && enable $name || disable $name
497 int foo(void){ __asm__ volatile($asm); }
506 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
515 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
517 check_cmd $cc $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
521 log check_cflags "$@"
522 check_cc "$@" <<EOF && add_cflags "$@"
528 log check_ldflags "$@"
529 check_ld "$@" <<EOF && add_ldflags "$@"
530 int main(void){ return 0; }
535 log check_header "$@"
538 var=`echo $header | sed 's/[^A-Za-z0-9_]/_/g'`
540 check_cpp "$@" <<EOF && enable $var
551 check_ld "$@" <<EOF && enable $func
553 int main(void){ $func(); }
557 check_func_headers(){
558 log check_func_headers "$@"
564 for hdr in $headers; do
568 check_ld "$@" <<EOF && enable $func
570 int main(int argc, char **argv){
577 check_cpp_condition(){
578 log check_cpp_condition "$@"
584 #error "unsatisfied condition: $condition"
595 check_header $header && check_func $func && add_extralibs "$@"
607 check_func_headers "$headers" $func && add_extralibs "$@"
614 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
620 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
621 # are safe but may not be available everywhere. Thus we use
622 # raise(SIGTERM) instead. The check is run in a subshell so we
623 # can redirect the "Terminated" message from the shell. SIGBUS
624 # is not defined by standard C so it is used conditionally.
626 (check_exec "$@") >> $logfile 2>&1 <<EOF
628 static void sighandler(int sig){
632 signal(SIGILL, sighandler);
633 signal(SIGFPE, sighandler);
634 signal(SIGSEGV, sighandler);
636 signal(SIGBUS, sighandler);
650 for hdr in $headers; do
654 check_cc "$@" <<EOF && enable $type
665 check_lib $header $func "$@" || die "ERROR: $name not found"
673 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
683 check_cmd ${pkg}-config --version
685 if test "$err" = 0; then
686 temp_cflags `${pkg}-config --cflags`
687 temp_extralibs `${pkg}-config --libs`
688 check_lib "$@" $header $func && enable $cfg
696 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
699 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
700 # system-dependent things.
810 dev_bktr_ioctl_bt848_h
811 dev_bktr_ioctl_meteor_h
813 dev_video_meteor_ioctl_meteor_h
814 dev_video_bktr_ioctl_bt848_h
836 machine_ioctl_bt848_h
837 machine_ioctl_meteor_h
861 # options emitted with CONFIG_ prefix but not available on command line
902 # code dependency declarations
904 # architecture extensions
905 altivec_deps="powerpc"
906 armv5te_deps="armv4l"
918 fft_suggest="fft_mmx"
919 fft_mmx_deps="mmx yasm"
921 # decoders / encoders
922 aac_decoder_select="fft"
923 ac3_decoder_deps="gpl"
924 ac3_decoder_select="fft"
925 atrac3_decoder_select="fft"
926 cook_decoder_select="fft"
927 dca_decoder_select="fft"
928 dxa_decoder_deps="zlib"
929 eac3_decoder_deps="gpl"
930 eac3_decoder_select="fft"
931 flashsv_decoder_deps="zlib"
932 flashsv_encoder_deps="zlib"
933 imc_decoder_select="fft"
934 mpeg_xvmc_decoder_deps="xvmc"
935 nellymoser_decoder_select="fft"
936 nellymoser_encoder_select="fft"
937 png_decoder_deps="zlib"
938 png_encoder_deps="zlib"
939 qdm2_decoder_select="fft"
940 vorbis_decoder_select="fft"
941 vorbis_encoder_select="fft"
942 wmav1_decoder_select="fft"
943 wmav1_encoder_select="fft"
944 wmav2_decoder_select="fft"
945 wmav2_encoder_select="fft"
946 zmbv_decoder_deps="zlib"
947 zmbv_encoder_deps="zlib"
950 libamr_nb_decoder_deps="libamr_nb"
951 libamr_nb_encoder_deps="libamr_nb"
952 libamr_wb_decoder_deps="libamr_wb"
953 libamr_wb_encoder_deps="libamr_wb"
954 libdirac_decoder_deps="libdirac !libschroedinger"
955 libdirac_encoder_deps="libdirac"
956 libfaac_encoder_deps="libfaac"
957 libfaad_decoder_deps="libfaad"
958 libfaadbin_decoder_extralibs='$ldl'
959 libgsm_decoder_deps="libgsm"
960 libgsm_encoder_deps="libgsm"
961 libgsm_ms_decoder_deps="libgsm"
962 libgsm_ms_encoder_deps="libgsm"
963 libmp3lame_encoder_deps="libmp3lame"
964 libschroedinger_decoder_deps="libschroedinger"
965 libschroedinger_encoder_deps="libschroedinger"
966 libspeex_decoder_deps="libspeex"
967 libtheora_encoder_deps="libtheora"
968 libvorbis_encoder_deps="libvorbis"
969 libx264_encoder_deps="libx264"
970 libxvid_encoder_deps="libxvid"
971 mpeg4aac_decoder_deps="libfaad"
974 ac3_demuxer_deps="ac3_parser"
975 audio_beos_demuxer_deps="audio_beos"
976 audio_beos_demuxer_extralibs="-lmedia -lbe"
977 audio_beos_muxer_deps="audio_beos"
978 audio_beos_muxer_extralibs="-lmedia -lbe"
979 avisynth_demuxer_deps="avisynth"
980 bktr_demuxer_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
981 dirac_demuxer_deps="dirac_parser"
982 dv1394_demuxer_deps="dv1394 dv_demuxer"
983 libdc1394_demuxer_deps="libdc1394"
984 libnut_demuxer_deps="libnut"
985 libnut_muxer_deps="libnut"
986 mp3_demuxer_deps="mpegaudio_parser"
987 oss_demuxer_deps_any="soundcard_h sys_soundcard_h"
988 oss_muxer_deps_any="soundcard_h sys_soundcard_h"
989 redir_demuxer_deps="network"
990 rtp_muxer_deps="network rtp_protocol"
991 rtsp_demuxer_deps="sdp_demuxer"
992 sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
993 v4l_demuxer_deps="linux_videodev_h"
994 v4l2_demuxer_deps_any="linux_videodev2_h sys_videoio_h"
995 vfwcap_demuxer_deps="capCreateCaptureWindow"
996 vfwcap_demuxer_extralibs="-lvfw32"
997 x11_grab_device_demuxer_deps="x11grab XShmCreateImage"
998 x11_grab_device_demuxer_extralibs="-lX11 -lXext"
1001 http_protocol_deps="network"
1002 rtp_protocol_deps="udp_protocol"
1003 tcp_protocol_deps="network"
1004 udp_protocol_deps="network"
1007 movie_filter_deps="avfilter_lavf"
1011 ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
1012 ffserver_extralibs='$ldl'
1013 vhook_extralibs='$ldl'
1016 # default parameters
1018 logfile="config.err"
1020 # installation paths
1021 prefix_default="/usr/local"
1022 bindir_default='${prefix}/bin'
1023 incdir_default='${prefix}/include'
1024 libdir_default='${prefix}/lib'
1025 mandir_default='${prefix}/share/man'
1026 shlibdir_default="$libdir_default"
1035 asmalign_pot="unknown"
1044 target_os=$(tolower $(uname -s))
1050 # configurable options
1058 enable optimizations
1065 add_cflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
1066 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1067 VHOOKSHFLAGS='$(SHFLAGS)'
1068 FFSERVERLDFLAGS=-Wl,-E
1071 FULLNAME='$(NAME)$(BUILDSUF)'
1072 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1075 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1076 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1077 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1078 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1080 # gcc stupidly only outputs the basename of targets with -MM, but we need the
1081 # full relative path for objects in subdirectories for non-recursive Make.
1082 DEPEND_CMD='$(CC) $(CFLAGS) -MM -MG $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," -e "s,\\([[:space:]]\\)\\(version\\.h\\),\\1\$$(BUILD_ROOT_REL)/\\2,"'
1085 source_path="`dirname \"$0\"`"
1086 enable source_path_used
1087 if test -z "$source_path" -o "$source_path" = "." ; then
1089 disable source_path_used
1091 source_path="`cd \"$source_path\"; pwd`"
1092 echo "$source_path" | grep -q '[[:blank:]]' &&
1093 die "Out of tree builds are impossible with whitespace in source path."
1096 FFMPEG_CONFIGURATION="$@"
1101 file=$source_path/$3
1102 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1105 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1106 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1107 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1108 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1109 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1110 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1111 OUTDEV_LIST=$(find_things muxer _MUX libavdevice/alldevices.c)
1112 INDEV_LIST=$(find_things demuxer DEMUX libavdevice/alldevices.c)
1113 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1114 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1116 enable $ARCH_EXT_LIST \
1129 echo "Unknown option \"$1\"."
1130 echo "See $0 --help for available options."
1137 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
1144 --extra-cflags=*) add_cflags "$optval"
1146 --extra-ldflags=*) add_ldflags "$optval"
1148 --extra-libs=*) add_extralibs "$optval"
1150 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1152 --enable-debug=*) debuglevel="$optval"
1154 --enable-*=*|--disable-*=*)
1155 eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
1157 encoder|decoder|muxer|demuxer|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
1158 *) die_unknown "$opt" ;;
1161 --enable-?*|--disable-?*)
1162 eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
1163 if is_in $option $COMPONENT_LIST; then
1164 eval $action \$$(toupper ${option%s})_LIST
1165 elif is_in $option $CMDLINE_SELECT; then
1172 NAME="${opt#--list-}"
1173 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1175 eval show_list $NAME \$$(toupper $NAME)_LIST
1177 --help|-h) show_help
1180 optname="${opt%%=*}"
1181 optname="${optname#--}"
1182 optname=$(echo "$optname" | sed 's/-/_/g')
1183 is_in $optname $CMDLINE_SET || die_unknown $opt
1184 eval $optname='$optval'
1189 disabled logging && logfile=/dev/null
1191 echo "# $0 $@" > $logfile
1194 cc_default="${cross_prefix}${cc_default}"
1195 yasmexe="${cross_prefix}${yasmexe}"
1196 ar="${cross_prefix}${ar}"
1197 nm="${cross_prefix}${nm}"
1198 ranlib="${cross_prefix}${ranlib}"
1199 strip="${cross_prefix}${strip}"
1203 # set temporary file name
1204 if test ! -z "$TMPDIR" ; then
1206 elif test ! -z "$TEMPDIR" ; then
1207 TMPDIR1="${TEMPDIR}"
1212 TMPC="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
1213 TMPE="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}${EXESUF}"
1214 TMPH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
1215 TMPO="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
1216 TMPS="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
1217 TMPSH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.sh"
1219 check_cflags -std=c99
1222 i386|i486|i586|i686|i86pc|BePC)
1224 enable fast_unaligned
1228 enable fast_unaligned
1229 check_cc <<EOF && enable fast_64bit && arch="x86_64"
1230 int test[sizeof(char*) - 7];
1233 # armv4l is a subset of armv[567]*l
1241 "Power Macintosh"|ppc|powerpc)
1243 enable fast_unaligned
1248 enable fast_unaligned
1289 enabled_any x86_32 x86_64 && enable x86
1290 enabled sparc64 && enable sparc
1295 prefix_default="$HOME/config"
1296 # helps building libavcodec
1297 add_cflags "-DPIC -fomit-frame-pointer"
1298 # 3 gcc releases known for BeOS, each with ugly bugs
1299 gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1300 case "$gcc_version" in
1301 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1304 *20010315*) echo "BeBits gcc"
1305 add_cflags "-fno-expensive-optimizations"
1309 # enable BeOS things
1311 # no need for libm, but the inet stuff
1313 # XXX: actually should check for NOT net_server
1314 if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
1315 network_extralibs="-lbind -lsocket"
1317 enable beos_netserver
1318 network_extralibs="-lnet"
1322 SHFLAGS='-shared -Wl,-h,$$(@F)'
1323 network_extralibs="-lsocket -lnsl"
1326 oss_demuxer_extralibs="-lossaudio"
1327 oss_muxer_extralibs="-lossaudio"
1330 disable need_memalign
1331 LIBOBJFLAGS='$(PIC)'
1333 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF).$(LIBVERSION)'
1334 SLIBNAME_WITH_VERSION='$(SLIBNAME)'
1335 SLIBNAME_WITH_MAJOR='$(SLIBNAME)'
1336 oss_demuxer_extralibs="-lossaudio"
1337 oss_muxer_extralibs="-lossaudio"
1340 disable need_memalign
1343 osextralibs="-lpoll -lgnugetopt"
1347 disable need_memalign
1348 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
1349 VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(SHLIBDIR)/vhook/$$(@F)'
1351 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1353 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1354 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1355 FFSERVERLDFLAGS=-Wl,-bind_at_load
1357 enabled x86_64 && objformat="macho64"
1362 if test $arch = x86_64; then
1363 disable need_memalign
1366 shlibdir_default="$bindir_default"
1367 VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1368 VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1369 if enabled swscale; then
1370 VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1371 VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1377 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1378 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1379 SLIB_EXTRA_CMD='-lib /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
1380 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1381 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"'
1382 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1383 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
1389 shlibdir_default="$bindir_default"
1390 VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1391 VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1392 if enabled swscale; then
1393 VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1394 VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1399 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1400 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1401 SHFLAGS='-shared -Wl,--enable-auto-image-base'
1405 *-dos|freedos|opendos)
1406 disable ffplay ffserver vhook
1407 disable $INDEV_LIST $OUTDEV_LIST
1408 network_extralibs="-lsocket"
1418 ranlib="echo ignoring ranlib"
1424 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
1425 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
1430 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1431 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
1432 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1433 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1434 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1435 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1436 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1437 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1438 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1439 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1440 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
1441 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
1450 target_os="${target_os}-UNKNOWN"
1454 set_default $PATHS_LIST
1456 add_extralibs $osextralibs
1458 # Combine FFLDFLAGS and the LDFLAGS environment variable.
1459 LDFLAGS="$FFLDFLAGS $LDFLAGS"
1461 test -n "$cross_prefix" && enable cross_compile
1463 # we need to build at least one lib type
1464 if ! enabled_any static shared; then
1466 At least one library type must be built.
1467 Specify --enable-static to build the static libraries or --enable-shared to
1468 build the shared libraries as well. To only build the shared libraries specify
1469 --disable-static in addition to --enable-shared.
1474 disabled static && LIBNAME=""
1476 if enabled_any libfaad libfaadbin ; then
1477 if check_header faad.h; then
1480 #ifndef FAAD2_VERSION
1483 int main(void) { return 0; }
1485 test $? = 0 && enable libfaad2
1487 die "FAAD test failed."
1492 if ! enabled gpl; then
1496 enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1498 die_gpl_disabled "The Postprocessing code" postproc
1499 die_gpl_disabled "libx264" libx264
1500 die_gpl_disabled "libxvidcore" libxvid
1501 die_gpl_disabled "FAAD2" libfaad2
1502 die_gpl_disabled "The X11 grabber" x11grab
1503 die_gpl_disabled "The software scaler" swscale
1506 if ! enabled nonfree && enabled_any libamr_nb libamr_wb; then
1507 die "libamr is nonfree and --enable-nonfree is not specified."
1510 check_deps $ARCH_EXT_LIST
1512 test -z "$need_memalign" && need_memalign="$mmx"
1515 if test $target_os = darwin; then
1516 if $cc -v 2>&1 | grep -q xlc; then
1517 add_cflags "-qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto"
1520 check_cflags "-force_cpusubtype_ALL"
1521 check_cflags "-Wno-sign-compare"
1522 enabled shared || check_cflags -mdynamic-no-pic
1526 disabled optimizations || check_cflags -fomit-frame-pointer
1528 # Add processor-specific flags
1529 if test $cpu != "generic"; then
1531 $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1534 601|ppc601|PowerPC601)
1535 add_cflags "-mcpu=601"
1536 warn_altivec enabled PPC601
1538 603*|ppc603*|PowerPC603*)
1539 add_cflags "-mcpu=603"
1540 warn_altivec enabled PPC603
1542 604*|ppc604*|PowerPC604*)
1543 add_cflags "-mcpu=604"
1544 warn_altivec enabled PPC604
1546 G3|g3|75*|ppc75*|PowerPC75*)
1547 add_cflags "-mcpu=750 -mpowerpc-gfxopt"
1548 warn_altivec enabled PPC75x
1550 G4|g4|745*|ppc745*|PowerPC745*)
1551 add_cflags "-mcpu=7450 -mpowerpc-gfxopt"
1552 warn_altivec disabled PPC745x
1554 74*|ppc74*|PowerPC74*)
1555 add_cflags "-mcpu=7400 -mpowerpc-gfxopt"
1556 warn_altivec disabled PPC74xx
1558 G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1559 add_cflags "-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1560 warn_altivec disabled PPC970
1564 add_cflags "-mcpu=cell"
1565 warn_altivec disabled Cell
1568 # targets that do NOT support conditional mov (cmov)
1569 i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1570 add_cflags "-march=$cpu"
1573 # targets that do support conditional mov (cmov)
1574 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1575 add_cflags "-march=$cpu"
1579 # targets that do support conditional mov but on which it's slow
1580 pentium4|pentium4m|prescott|nocona)
1581 add_cflags "-march=$cpu"
1586 add_cflags "-mcpu=v9"
1589 add_cflags "-mcpu=$cpu"
1590 enable fast_unaligned
1593 add_cflags "-march=$cpu"
1596 add_cflags "-mcpu=$cpu"
1599 echo "WARNING: Unknown CPU \"$cpu\", ignored."
1604 # make sure we can execute files in $TMPDIR
1605 cat > $TMPSH 2>> $logfile <<EOF
1608 chmod +x $TMPSH >> $logfile 2>&1
1609 if ! $TMPSH >> $logfile 2>&1; then
1611 Unable to create and execute files in $TMPDIR1. Set the TMPDIR environment
1612 variable to another directory and make sure that $TMPDIR1 is not mounted
1615 die "Sanity test failed."
1619 # compiler sanity check
1621 int main(void){ return 0; }
1623 if test "$?" != 0; then
1624 echo "$cc is unable to create an executable file."
1625 if test -z "$cross_prefix" && ! enabled cross_compile ; then
1626 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1627 echo "Only do this if you know what cross compiling means."
1629 die "C compiler test failed."
1632 check_cc <<EOF || die "Symbol mangling check failed."
1635 sym=$($nm -P -g $TMPO | grep ff_extern)
1636 extern_prefix=${sym%%ff_extern*}
1638 check_asm inline_asm '""'
1640 if enabled x86; then
1641 # check whether EBP is available on x86
1642 # As 'i' is stored on the stack, this program will crash
1643 # if the base pointer is used to access it because the
1644 # base pointer is cleared in the inline assembly code.
1645 check_exec_crash <<EOF && enable ebp_available
1653 # check wether EBX is available on x86
1654 check_asm ebx_available '"":::"%ebx"'
1656 # check whether binutils is new enough to compile SSSE3/MMX2
1657 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
1658 enabled mmx2 && check_asm mmx2 '"movss %xmm0, %xmm0"'
1660 check_asm bswap '"bswap %%eax" ::: "%eax"'
1662 YASMFLAGS="-f $objformat -DARCH_$(toupper $arch)"
1663 enabled x86_64 && append YASMFLAGS "-m amd64"
1664 enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
1665 case "$objformat" in
1666 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
1667 macho64) append YASMFLAGS "-DPIC -DPREFIX" ;;
1668 *) append YASMFLAGS "-DPREFIX" ;;
1670 check_yasm "pabsw xmm0, xmm0" && enable yasm
1673 # check for assembler specific support
1675 if test $arch = "powerpc"; then
1676 check_asm dcbzl '"dcbzl 0, 1"'
1679 # check for SIMD availability
1681 # AltiVec flags: The FSF version of GCC differs from the Apple version
1682 if enabled altivec; then
1683 check_cflags -maltivec -mabi=altivec &&
1684 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
1685 check_cflags -faltivec
1687 # check if our compiler supports Motorola AltiVec C API
1688 check_cc <<EOF || disable altivec
1691 vector signed int v1, v2, v3;
1692 v1 = vec_add(v2,v3);
1697 # check if our compiler supports braces for vector declarations
1698 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
1700 int main (void) { (vector int) {1}; return 0; }
1704 # We have to check if pld is a nop and disable it.
1705 enabled armv4l && check_asm pld '"pld [r0]"'
1706 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
1707 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
1708 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
1709 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
1710 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
1711 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
1712 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
1714 enabled vis && add_cflags "-mcpu=ultrasparc -mtune=ultrasparc"
1717 # big/little-endian test
1718 check_cc <<EOF || die "endian test failed"
1719 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
1721 od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
1724 # check availability of some header files
1726 if check_func dlopen; then
1728 elif check_func dlopen -ldl; then
1733 check_func gethrtime
1734 check_func getrusage
1735 check_func inet_aton $network_extralibs
1738 check_func_headers windows.h GetProcessTimes
1740 check_header conio.h
1741 check_header dlfcn.h
1742 check_header malloc.h
1744 check_header sys/mman.h
1745 check_header sys/resource.h
1746 check_header sys/select.h
1747 check_header termios.h
1749 if ! enabled_any memalign memalign_hack && enabled need_memalign ; then
1750 die "Error, no memalign() but SSE enabled, disable it or use --enable-memalign-hack."
1753 enabled zlib && check_lib zlib.h zlibVersion -lz || disable zlib
1754 enabled bzlib && check_lib bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
1756 # check for some common methods of building with pthread support
1757 # do this before the optional library checks as some of them require pthreads
1758 if enabled pthreads; then
1759 if check_func pthread_create; then
1761 elif check_func pthread_create -pthread; then
1763 add_extralibs -pthread
1764 elif check_func pthread_create -pthreads; then
1765 add_cflags -pthreads
1766 add_extralibs -pthreads
1767 elif check_func pthread_create -lpthreadGC2; then
1768 add_extralibs -lpthreadGC2
1769 elif ! check_lib pthread.h pthread_create -lpthread; then
1770 die "ERROR: can't find pthreads library"
1774 for thread in $THREADS_LIST; do
1775 if enabled $thread; then
1776 test -n "$thread_type" &&
1777 die "ERROR: Only one thread type must be selected." ||
1778 thread_type="$thread"
1782 check_lib math.h sin -lm
1784 # test for C99 functions in math.h
1785 for func in llrint lrint lrintf round roundf; do
1786 check_exec <<EOF && enable $func || disable $func
1788 int main(void) { return ($func(3.999f) > 0)?0:1; }
1792 # these are off by default, so fail if requested and not available
1793 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
1794 enabled libamr_nb && require libamrnb amrnb/interf_dec.h Speech_Decode_Frame_init -lamrnb -lm
1795 enabled libamr_wb && require libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
1796 enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
1797 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder &&
1798 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
1799 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
1800 enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
1801 enabled libgsm && require libgsm gsm.h gsm_create -lgsm
1802 enabled libmp3lame && require LAME lame/lame.h lame_init -lmp3lame -lm
1803 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
1804 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
1805 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
1806 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
1807 enabled libtheora && require libtheora theora/theora.h theora_info_init -ltheora -logg
1808 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
1809 enabled libx264 && require x264 x264.h x264_encoder_open -lx264 -lm &&
1810 { check_cpp_condition x264.h "X264_BUILD >= 65" ||
1811 die "ERROR: libx264 version must be >= 0.65."; }
1812 enabled libxvid && require Xvid xvid.h xvid_global -lxvidcore
1813 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
1816 if enabled libdc1394; then
1817 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
1818 enable libdc1394_2; } ||
1819 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
1820 enable libdc1394_1; } ||
1821 die "ERROR: No version of libdc1394 found "
1826 for restrict_keyword in restrict __restrict__ __restrict; do
1827 check_cc <<EOF && _restrict=$restrict_keyword && break
1828 void foo(char * $restrict_keyword p);
1832 test "$vhook" = "default" && vhook="$dlopen"
1834 if test "$target_os" = cygwin -o "$target_os" = mingw32 && enabled_all static vhook ; then
1837 echo "At the moment vhooks don't work on Cygwin or MinGW static builds."
1838 echo "Patches welcome."
1842 if enabled vhook; then
1843 check_ldflags -rdynamic
1844 check_ldflags -export-dynamic
1847 check_foo_config imlib2 imlib2 Imlib2.h imlib_load_font
1848 check_foo_config freetype2 freetype ft2build.h FT_Init_FreeType
1850 ##########################################
1855 SDL_CONFIG="${cross_prefix}sdl-config"
1856 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
1857 sdl_cflags=`"${SDL_CONFIG}" --cflags`
1858 temp_cflags $sdl_cflags
1859 temp_extralibs `"${SDL_CONFIG}" --libs`
1860 if check_lib2 SDL.h SDL_Init; then
1861 _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
1862 if test "$_sdlversion" -lt 121 ; then
1866 check_cc $sdl_cflags <<EOF && enable sdl_video_size
1868 int main(int argc, char **argv){
1869 const SDL_VideoInfo *vi = SDL_GetVideoInfo();
1870 int w = vi->current_w;
1879 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
1881 ##########################################
1884 if enabled network; then
1885 check_type sys/socket.h socklen_t
1886 # Prefer arpa/inet.h over winsock2
1887 if check_header arpa/inet.h ; then
1888 check_func closesocket
1889 elif check_header winsock2.h ; then
1890 network_extralibs="-lws2_32"
1891 check_type ws2tcpip.h socklen_t
1892 check_func_headers winsock2.h closesocket
1896 ##########################################
1899 enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
1900 #include <sys/types.h>
1901 #include <sys/socket.h>
1902 #include <netinet/in.h>
1905 struct sockaddr_storage saddr;
1906 struct ipv6_mreq mreq6;
1907 getaddrinfo(0,0,0,0);
1908 getnameinfo(0,0,0,0,0,0,0);
1909 IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
1913 check_header linux/videodev.h
1914 check_header linux/videodev2.h
1915 check_header sys/videoio.h
1917 check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
1919 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1920 { check_header dev/bktr/ioctl_meteor.h &&
1921 check_header dev/bktr/ioctl_bt848.h; } ||
1922 { check_header machine/ioctl_meteor.h &&
1923 check_header machine/ioctl_bt848.h; } ||
1924 { check_header dev/video/meteor/ioctl_meteor.h &&
1925 check_header dev/video/bktr/ioctl_bt848.h; } ||
1926 check_header dev/ic/bt8xx.h
1928 check_header sys/soundcard.h
1929 check_header soundcard.h
1931 # deal with the X11 frame grabber
1933 check_header X11/Xlib.h &&
1934 check_header X11/extensions/XShm.h &&
1935 check_func XOpenDisplay -lX11 &&
1936 check_func XShmCreateImage -lX11 -lXext
1938 enabled debug && add_cflags -g"$debuglevel"
1940 # add some useful compiler flags if supported
1941 check_cflags -Wdeclaration-after-statement
1943 check_cflags -Wno-switch
1944 check_cflags -Wdisabled-optimization
1945 check_cflags -Wpointer-arith
1946 check_cflags -Wredundant-decls
1947 check_cflags -Wno-pointer-sign
1948 check_cflags -Wcast-qual
1949 check_cflags -Wwrite-strings
1950 check_cflags -Wtype-limits
1951 enabled extra_warnings && check_cflags -Winline
1953 # add some linker flags
1954 check_ldflags -Wl,--warn-common
1955 check_ldflags -Wl,--as-needed
1956 check_ldflags '-Wl,-rpath-link,\$(BUILD_ROOT)/libpostproc -Wl,-rpath-link,\$(BUILD_ROOT)/libswscale -Wl,-rpath-link,\$(BUILD_ROOT)/libavfilter -Wl,-rpath-link,\$(BUILD_ROOT)/libavdevice -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
1957 check_ldflags -Wl,-Bsymbolic
1959 if enabled small; then
1960 check_cflags -Os # not all compilers support -Os
1961 optimizations="small"
1962 elif enabled optimizations; then
1963 if $cc -v 2>&1 | grep -q xlc; then
1970 check_cflags -fno-math-errno
1971 check_cflags -fno-signed-zeros
1973 # add some flags for Intel C Compiler
1974 if $cc --version 2> /dev/null | grep -q Intel; then
1975 # Just warnings, no remarks
1977 # -wd: Disable following warnings
1978 # 144, 167, 556: -Wno-pointer-sign
1979 # 10006: ignoring unknown option -fno-signed-zeros
1980 # 10156: ignoring option '-W'; no argument required
1981 check_cflags -wd144,167,556,10006,10156
1982 # 11030: Warning unknown option --as-needed
1983 # 10156: ignoring option '-export'; no argument required
1984 check_ldflags -wd10156,11030
1985 # Allow to compile with optimizations
1986 check_ldflags -march=$cpu
1989 # PIC flags for shared library objects where they are needed
1990 if enabled shared; then
1991 # LIBOBJFLAGS may have already been set in the OS configuration
1992 if test -z "$LIBOBJFLAGS" ; then
1994 x86_64|ia64|alpha|sparc*|power*|parisc*|mips*) LIBOBJFLAGS='$(PIC)' ;;
1999 if enabled gprof; then
2006 # Find out if the .align argument is a power of two or not.
2007 if test $asmalign_pot = "unknown"; then
2008 disable asmalign_pot
2009 echo '__asm__ (".align 3");' | check_cc && enable asmalign_pot
2012 enabled_any $DECODER_LIST && enable decoders
2013 enabled_any $ENCODER_LIST && enable encoders
2014 enabled_any $BSF_LIST && enable bsfs
2015 enabled_any $DEMUXER_LIST && enable demuxers
2016 enabled_any $MUXER_LIST && enable muxers
2017 enabled_any $FILTER_LIST && enable filters
2018 enabled_any $INDEV_LIST && enable demuxers
2019 enabled_any $OUTDEV_LIST && enable muxers
2020 enabled_any $PROTOCOL_LIST && enable protocols
2022 enabled_any $THREADS_LIST && enable threads
2024 check_deps $CONFIG_LIST \
2038 enabled libdc1394 && append pkg_requires "libraw1394"
2039 enabled libdirac && append pkg_requires "dirac"
2040 enabled libtheora && append pkg_requires "theora"
2041 enabled libvorbis && append pkg_requires "vorbisenc"
2043 echo "install prefix $prefix"
2044 echo "source path $source_path"
2045 echo "C compiler $cc"
2046 echo ".align is power-of-two $asmalign_pot"
2047 echo "ARCH $arch ($cpu)"
2048 if test "$build_suffix" != ""; then
2049 echo "build suffix $build_suffix"
2051 if test "$extra_version" != ""; then
2052 echo "version string suffix $extra_version"
2054 echo "big-endian ${bigendian-no}"
2055 if test $arch = "x86_32" -o $arch = "x86_64"; then
2056 echo "yasm ${yasm-no}"
2057 echo "MMX enabled ${mmx-no}"
2058 echo "CMOV enabled ${cmov-no}"
2059 echo "CMOV is fast ${fast_cmov-no}"
2060 echo "EBX available ${ebx_available-no}"
2061 echo "EBP available ${ebp_available-no}"
2063 if test $arch = "armv4l"; then
2064 echo "ARMv5TE enabled ${armv5te-no}"
2065 echo "ARMv6 enabled ${armv6-no}"
2066 echo "ARM VFP enabled ${armvfp-no}"
2067 echo "IWMMXT enabled ${iwmmxt-no}"
2068 echo "NEON enabled ${neon-no}"
2070 if test $arch = "mips"; then
2071 echo "MMI enabled ${mmi-no}"
2073 if test $arch = "powerpc"; then
2074 echo "AltiVec enabled ${altivec-no}"
2075 echo "dcbzl available ${dcbzl-no}"
2077 echo "gprof enabled ${gprof-no}"
2078 echo "debug symbols ${debug-no}"
2079 echo "strip symbols ${stripping-no}"
2080 echo "optimizations ${optimizations-no}"
2081 echo "static ${static-no}"
2082 echo "shared ${shared-no}"
2083 echo "postprocessing support ${postproc-no}"
2084 echo "software scaler enabled ${swscale-no}"
2085 echo "new filter support ${avfilter-no}"
2086 echo "filters using lavformat ${avfilter_lavf-no}"
2087 echo "video hooking ${vhook-no}"
2088 if enabled vhook; then
2089 echo "Imlib2 support ${imlib2-no}"
2090 echo "FreeType support ${freetype2-no}"
2092 echo "network support ${network-no}"
2093 if enabled network; then
2094 echo "IPv6 support ${ipv6-no}"
2096 echo "threading support ${thread_type-no}"
2097 echo "SDL support ${sdl-no}"
2098 if enabled sdl_too_old; then
2099 echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2101 echo "Sun medialib support ${mlib-no}"
2102 echo "AVISynth enabled ${avisynth-no}"
2103 echo "libamr-nb support ${libamr_nb-no}"
2104 echo "libamr-wb support ${libamr_wb-no}"
2105 echo "libdc1394 support ${libdc1394-no}"
2106 echo "libdirac enabled ${libdirac-no}"
2107 echo "libfaac enabled ${libfaac-no}"
2108 echo "libfaad enabled ${libfaad-no}"
2109 echo "libfaad dlopened ${libfaadbin-no}"
2110 echo "libgsm enabled ${libgsm-no}"
2111 echo "libmp3lame enabled ${libmp3lame-no}"
2112 echo "libnut enabled ${libnut-no}"
2113 echo "libschroedinger enabled ${libschroedinger-no}"
2114 echo "libspeex enabled ${libspeex-no}"
2115 echo "libtheora enabled ${libtheora-no}"
2116 echo "libvorbis enabled ${libvorbis-no}"
2117 echo "libx264 enabled ${libx264-no}"
2118 echo "libxvid enabled ${libxvid-no}"
2119 echo "zlib enabled ${zlib-no}"
2120 echo "bzlib enabled ${bzlib-no}"
2123 for type in decoder encoder parser demuxer muxer protocol filter bsf indev outdev; do
2124 echo "Enabled ${type}s:"
2125 eval list=\$$(toupper $type)_LIST
2126 for part in $list; do
2127 enabled $part && echo ${part%_*}
2128 done | sort | pr -3 -t
2133 if enabled nonfree; then
2134 license="unredistributable"
2135 elif enabled gpl; then
2139 echo "License: $license"
2141 echo "Creating config.mak and config.h..."
2143 echo "# Automatically generated by configure - do not modify!" > config.mak
2144 echo "/* Automatically generated by configure - do not modify! */" > $TMPH
2145 echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2146 echo "#define FFMPEG_CONFIG_H" >> $TMPH
2147 echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
2149 echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
2150 echo "prefix=$prefix" >> config.mak
2151 echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2152 echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2153 echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2154 echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
2155 echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
2156 echo "CC=$cc" >> config.mak
2157 echo "YASM=$yasmexe" >> config.mak
2158 echo "AR=$ar" >> config.mak
2159 echo "RANLIB=$ranlib" >> config.mak
2160 echo "LN_S=$ln_s" >> config.mak
2161 enabled stripping &&
2162 echo "STRIP=$strip" >> config.mak ||
2163 echo "STRIP=echo ignoring strip" >> config.mak
2165 echo "OPTFLAGS=$CFLAGS" >> config.mak
2166 echo "VHOOKCFLAGS=$VHOOKCFLAGS" >> config.mak
2167 echo "LDFLAGS=$LDFLAGS" >> config.mak
2168 echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
2169 echo "SHFLAGS=$SHFLAGS" >> config.mak
2170 echo "YASMFLAGS=$YASMFLAGS" >> config.mak
2171 echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
2172 echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
2173 echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
2174 echo "BUILD_STATIC=$static" >> config.mak
2175 echo "BUILDSUF=$build_suffix" >> config.mak
2176 echo "FULLNAME=$FULLNAME" >> config.mak
2177 echo "LIBPREF=$LIBPREF" >> config.mak
2178 echo "LIBSUF=$LIBSUF" >> config.mak
2179 echo "LIBNAME=$LIBNAME" >> config.mak
2180 echo "SLIBPREF=$SLIBPREF" >> config.mak
2181 echo "SLIBSUF=$SLIBSUF" >> config.mak
2182 echo "EXESUF=$EXESUF" >> config.mak
2183 echo "EXTRA_VERSION=$extra_version" >> config.mak
2184 echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
2186 if enabled bigendian; then
2187 echo "WORDS_BIGENDIAN=yes" >> config.mak
2188 echo "#define WORDS_BIGENDIAN 1" >> $TMPH
2191 if enabled sdl; then
2192 echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
2193 echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
2195 if enabled texi2html; then
2196 echo "BUILD_DOC=yes" >> config.mak
2201 file=$source_path/$2
2202 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2203 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2204 lcname=$(tolower $name)
2205 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2206 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2209 get_version LIBSWSCALE libswscale/swscale.h
2210 get_version LIBPOSTPROC libpostproc/postprocess.h
2211 get_version LIBAVCODEC libavcodec/avcodec.h
2212 get_version LIBAVDEVICE libavdevice/avdevice.h
2213 get_version LIBAVFORMAT libavformat/avformat.h
2214 get_version LIBAVUTIL libavutil/avutil.h
2215 get_version LIBAVFILTER libavfilter/avfilter.h
2217 if enabled shared; then
2218 echo "BUILD_SHARED=yes" >> config.mak
2219 echo "PIC=-fPIC -DPIC" >> config.mak
2220 echo "LIBTARGET=${LIBTARGET}" >> config.mak
2221 echo "SLIBNAME=${SLIBNAME}" >> config.mak
2222 echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2223 echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2224 echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
2225 echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2226 echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2227 echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
2229 echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2230 echo "EXTRALIBS=$extralibs" >> config.mak
2232 print_config ARCH_ $TMPH config.mak $ARCH_LIST
2233 print_config HAVE_ $TMPH config.mak $HAVE_LIST
2234 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
2247 echo "#define restrict $_restrict" >> $TMPH
2249 if enabled small; then
2250 echo "#define av_always_inline" >> $TMPH
2253 echo "SRC_PATH=\"$source_path\"" >> config.mak
2254 echo "SRC_PATH_BARE=$source_path" >> config.mak
2255 echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2257 # Apparently it's not possible to portably echo a backslash.
2258 enabled asmalign_pot &&
2259 printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
2260 printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
2262 echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
2264 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2266 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
2267 cmp -s $TMPH config.h &&
2268 echo "config.h is unchanged" ||
2269 mv -f $TMPH config.h
2271 rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
2273 # build tree in object directory if source path is different from current one
2274 if enabled source_path_used; then
2301 libavcodec/Makefile \
2302 libavdevice/Makefile \
2303 libavfilter/Makefile \
2304 libavformat/Makefile \
2305 libavutil/Makefile \
2306 libpostproc/Makefile \
2307 libswscale/Makefile \
2309 for dir in $DIRS ; do
2312 for f in $FILES ; do
2313 $ln_s "$source_path/$f" $f
2318 # build pkg-config files
2320 pkgconfig_generate(){
2322 shortname=${name#lib}
2327 cat <<EOF > $name/$name.pc
2329 exec_prefix=\${prefix}
2334 Description: $comment
2336 Requires: $(disabled shared && echo $requires)
2337 Requires.private: $(enabled shared && echo $requires)
2339 Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2340 Libs.private: $(enabled shared && echo $libs)
2341 Cflags: -I\${includedir}
2343 cat <<EOF > $name/$name-uninstalled.pc
2346 libdir=\${pcfiledir}
2347 includedir=${source_path}
2350 Description: $comment
2354 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2355 Cflags: -I\${includedir}
2359 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
2360 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "$pkg_requires libavutil = $LIBAVUTIL_VERSION"
2361 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "$pkg_requires libavcodec = $LIBAVCODEC_VERSION"
2362 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$pkg_requires libavformat = $LIBAVFORMAT_VERSION"
2364 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$pkg_requires libavutil = $LIBAVUTIL_VERSION"
2366 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
2367 if enabled swscale; then
2368 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
2370 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "$pkg_requires libavcodec = $LIBAVCODEC_VERSION"
2371 apply libswscale/libswscale.pc sed s/^Libs:.*$/Libs:/