mmst_protocol depends on network
[libav.git] / configure
1 #!/bin/sh
2 #
3 # FFmpeg configure script
4 #
5 # Copyright (c) 2000-2002 Fabrice Bellard
6 # Copyright (c) 2005-2008 Diego Biurrun
7 # Copyright (c) 2005-2008 Mans Rullgard
8 #
9
10 # Prevent locale nonsense from breaking basic text processing.
11 LC_ALL=C
12 export LC_ALL
13
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
16
17 try_exec(){
18 echo "Trying shell $1"
19 type "$1" > /dev/null 2>&1 && exec "$@"
20 }
21
22 unset foo
23 (: ${foo%%bar}) 2> /dev/null
24 E1="$?"
25
26 (: ${foo?}) 2> /dev/null
27 E2="$?"
28
29 if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
31 export FF_CONF_EXEC
32 if test "0$FF_CONF_EXEC" -lt 1; then
33 FF_CONF_EXEC=1
34 try_exec bash "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 2; then
37 FF_CONF_EXEC=2
38 try_exec ksh "$0" "$@"
39 fi
40 if test "0$FF_CONF_EXEC" -lt 3; then
41 FF_CONF_EXEC=3
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
43 fi
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."
53 fi
54 exit 1
55 fi
56
57 show_help(){
58 cat <<EOF
59 Usage: configure [options]
60 Options: [defaults in brackets after descriptions]
61
62 Standard options:
63 --help print this message
64 --logfile=FILE log tests and output to FILE [config.err]
65 --disable-logging do not log configure debug information
66 --prefix=PREFIX install in PREFIX [$prefix]
67 --bindir=DIR install binaries in DIR [PREFIX/bin]
68 --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg]
69 --libdir=DIR install libs in DIR [PREFIX/lib]
70 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
71 --incdir=DIR install includes in DIR [PREFIX/include]
72 --mandir=DIR install man page in DIR [PREFIX/share/man]
73
74 Configuration options:
75 --disable-static do not build static libraries [no]
76 --enable-shared build shared libraries [no]
77 --enable-gpl allow use of GPL code, the resulting libs
78 and binaries will be under GPL [no]
79 --enable-version3 upgrade (L)GPL to version 3 [no]
80 --enable-nonfree allow use of nonfree code, the resulting libs
81 and binaries will be unredistributable [no]
82 --disable-doc do not build documentation
83 --disable-ffmpeg disable ffmpeg build
84 --disable-ffplay disable ffplay build
85 --disable-ffprobe disable ffprobe build
86 --disable-ffserver disable ffserver build
87 --disable-avdevice disable libavdevice build
88 --disable-avcodec disable libavcodec build
89 --disable-avformat disable libavformat build
90 --disable-swscale disable libswscale build
91 --enable-postproc enable GPLed postprocessing support [no]
92 --disable-avfilter disable video filter support [no]
93 --enable-avfilter-lavf video filters dependent on avformat [no]
94 --enable-beosthreads use BeOS threads [no]
95 --enable-os2threads use OS/2 threads [no]
96 --enable-pthreads use pthreads [no]
97 --enable-w32threads use Win32 threads [no]
98 --enable-x11grab enable X11 grabbing [no]
99 --disable-network disable network support [no]
100 --disable-mpegaudio-hp faster (but less accurate) MPEG audio decoding [no]
101 --enable-gray enable full grayscale support (slower color)
102 --disable-swscale-alpha disable alpha channel support in swscale
103 --disable-fastdiv disable table-based division
104 --enable-small optimize for size instead of speed
105 --disable-aandct disable AAN DCT code
106 --disable-dct disable DCT code
107 --disable-fft disable FFT code
108 --disable-golomb disable Golomb code
109 --disable-lpc disable LPC code
110 --disable-mdct disable MDCT code
111 --disable-rdft disable RDFT code
112 --disable-vaapi disable VAAPI code
113 --disable-vdpau disable VDPAU code
114 --disable-dxva2 disable DXVA2 code
115 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
116 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
117 --enable-memalign-hack emulate memalign, interferes with memory debuggers
118 --enable-beos-netserver enable BeOS netserver
119 --disable-everything disable all components listed below
120 --disable-encoder=NAME disable encoder NAME
121 --enable-encoder=NAME enable encoder NAME
122 --disable-encoders disable all encoders
123 --disable-decoder=NAME disable decoder NAME
124 --enable-decoder=NAME enable decoder NAME
125 --disable-decoders disable all decoders
126 --disable-hwaccel=NAME disable hwaccel NAME
127 --enable-hwaccel=NAME enable hwaccel NAME
128 --disable-hwaccels disable all hwaccels
129 --disable-muxer=NAME disable muxer NAME
130 --enable-muxer=NAME enable muxer NAME
131 --disable-muxers disable all muxers
132 --disable-demuxer=NAME disable demuxer NAME
133 --enable-demuxer=NAME enable demuxer NAME
134 --disable-demuxers disable all demuxers
135 --enable-parser=NAME enable parser NAME
136 --disable-parser=NAME disable parser NAME
137 --disable-parsers disable all parsers
138 --enable-bsf=NAME enable bitstream filter NAME
139 --disable-bsf=NAME disable bitstream filter NAME
140 --disable-bsfs disable all bitstream filters
141 --enable-protocol=NAME enable protocol NAME
142 --disable-protocol=NAME disable protocol NAME
143 --disable-protocols disable all protocols
144 --disable-indev=NAME disable input device NAME
145 --disable-outdev=NAME disable output device NAME
146 --disable-indevs disable input devices
147 --disable-outdevs disable output devices
148 --disable-devices disable all devices
149 --enable-filter=NAME enable filter NAME
150 --disable-filter=NAME disable filter NAME
151 --disable-filters disable all filters
152 --list-decoders show all available decoders
153 --list-encoders show all available encoders
154 --list-hwaccels show all available hardware accelerators
155 --list-muxers show all available muxers
156 --list-demuxers show all available demuxers
157 --list-parsers show all available parsers
158 --list-protocols show all available protocols
159 --list-bsfs show all available bitstream filters
160 --list-indevs show all available input devices
161 --list-outdevs show all available output devices
162 --list-filters show all available filters
163
164 External library support:
165 --enable-avisynth enable reading of AVISynth script files [no]
166 --enable-bzlib enable bzlib [autodetect]
167 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
168 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
169 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
170 and libraw1394 [no]
171 --enable-libdirac enable Dirac support via libdirac [no]
172 --enable-libfaac enable FAAC support via libfaac [no]
173 --enable-libfaad enable FAAD support via libfaad [no]
174 --enable-libfaadbin open libfaad.so.0 at runtime [no]
175 --enable-libgsm enable GSM support via libgsm [no]
176 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
177 --enable-libnut enable NUT (de)muxing via libnut,
178 native (de)muxer exists [no]
179 --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]
180 --enable-librtmp enable RTMP[E] support via librtmp [no]
181 --enable-libschroedinger enable Dirac support via libschroedinger [no]
182 --enable-libspeex enable Speex decoding via libspeex [no]
183 --enable-libtheora enable Theora encoding via libtheora [no]
184 --enable-libvorbis enable Vorbis encoding via libvorbis,
185 native implementation exists [no]
186 --enable-libvpx enable VP8 support via libvpx [no]
187 --enable-libx264 enable H.264 encoding via x264 [no]
188 --enable-libxvid enable Xvid encoding via xvidcore,
189 native MPEG-4/Xvid encoder exists [no]
190 --enable-mlib enable Sun medialib [no]
191 --enable-zlib enable zlib [autodetect]
192
193 Advanced options (experts only):
194 --source-path=PATH path to source code [$source_path]
195 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
196 --enable-cross-compile assume a cross-compiler is used
197 --sysroot=PATH root of cross-build tree
198 --sysinclude=PATH location of cross-build system headers
199 --target-os=OS compiler targets OS [$target_os]
200 --target-exec=CMD command to run executables on target
201 --target-path=DIR path to view of build directory on target
202 --nm=NM use nm tool
203 --ar=AR use archive tool AR [$ar_default]
204 --as=AS use assembler AS [$as_default]
205 --cc=CC use C compiler CC [$cc_default]
206 --ld=LD use linker LD
207 --host-cc=HOSTCC use host C compiler HOSTCC
208 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
209 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
210 --host-libs=HLIBS use libs HLIBS when linking for host
211 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
212 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
213 --extra-libs=ELIBS add ELIBS [$ELIBS]
214 --extra-version=STRING version string suffix []
215 --build-suffix=SUFFIX library name suffix []
216 --arch=ARCH select architecture [$arch]
217 --cpu=CPU select the minimum required CPU (affects
218 instruction selection, may crash on older CPUs)
219 --enable-powerpc-perf enable performance report on PPC
220 (requires enabling PMC)
221 --disable-asm disable all assembler optimizations
222 --disable-altivec disable AltiVec optimizations
223 --disable-amd3dnow disable 3DNow! optimizations
224 --disable-amd3dnowext disable 3DNow! extended optimizations
225 --disable-mmx disable MMX optimizations
226 --disable-mmx2 disable MMX2 optimizations
227 --disable-sse disable SSE optimizations
228 --disable-ssse3 disable SSSE3 optimizations
229 --disable-armv5te disable armv5te optimizations
230 --disable-armv6 disable armv6 optimizations
231 --disable-armv6t2 disable armv6t2 optimizations
232 --disable-armvfp disable ARM VFP optimizations
233 --disable-iwmmxt disable iwmmxt optimizations
234 --disable-mmi disable MMI optimizations
235 --disable-neon disable neon optimizations
236 --disable-vis disable VIS optimizations
237 --disable-yasm disable use of yasm assembler
238 --enable-pic build position-independent code
239 --malloc-prefix=PFX prefix malloc and related names with PFX
240 --enable-sram allow use of on-chip SRAM
241
242 Developer options (useful when working on FFmpeg itself):
243 --disable-debug disable debugging symbols
244 --enable-debug=LEVEL set the debug level [$debuglevel]
245 --enable-gprof enable profiling with gprof [$gprof]
246 --disable-optimizations disable compiler optimizations
247 --enable-extra-warnings enable more compiler warnings
248 --disable-stripping disable stripping of executables and shared libraries
249 --samples=PATH location of test samples for FATE
250
251 NOTE: Object files are built at the place where configure is launched.
252 EOF
253 exit 0
254 }
255
256 log(){
257 echo "$@" >> $logfile
258 }
259
260 log_file(){
261 log BEGIN $1
262 pr -n -t $1 >> $logfile
263 log END $1
264 }
265
266 echolog(){
267 log "$@"
268 echo "$@"
269 }
270
271 die(){
272 echolog "$@"
273 cat <<EOF
274
275 If you think configure made a mistake, make sure you are using the latest
276 version from SVN. If the latest version fails, report the problem to the
277 ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
278 EOF
279 if disabled logging; then
280 cat <<EOF
281 Rerun configure with logging enabled (do not use --disable-logging), and
282 include the log this produces with your report.
283 EOF
284 else
285 cat <<EOF
286 Include the log file "$logfile" produced by configure as this will help
287 solving the problem.
288 EOF
289 fi
290 exit 1
291 }
292
293 # Avoid locale weirdness, besides we really just want to translate ASCII.
294 toupper(){
295 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
296 }
297
298 tolower(){
299 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
300 }
301
302 c_escape(){
303 echo "$*" | sed 's/["\\]/\\\0/g'
304 }
305
306 sh_quote(){
307 v=$(echo "$1" | sed "s/'/'\\\\''/g")
308 test "$v" = "${v#*[ |&;<>()$\`\\\"\'*?\[\]#~=%]}" || v="'$v'"
309 echo "$v"
310 }
311
312 filter(){
313 pat=$1
314 shift
315 for v; do
316 eval "case $v in $pat) echo $v ;; esac"
317 done
318 }
319
320 map(){
321 m=$1
322 shift
323 for v; do eval $m; done
324 }
325
326 set_all(){
327 value=$1
328 shift
329 for var in $*; do
330 eval $var=$value
331 done
332 }
333
334 set_weak(){
335 value=$1
336 shift
337 for var; do
338 eval : \${$var:=$value}
339 done
340 }
341
342 pushvar(){
343 for var in $*; do
344 eval level=\${${var}_level:=0}
345 eval ${var}_${level}="\$$var"
346 eval ${var}_level=$(($level+1))
347 done
348 }
349
350 popvar(){
351 for var in $*; do
352 eval level=\${${var}_level:-0}
353 test $level = 0 && continue
354 eval level=$(($level-1))
355 eval $var="\${${var}_${level}}"
356 eval ${var}_level=$level
357 eval unset ${var}_${level}
358 done
359 }
360
361 enable(){
362 set_all yes $*
363 }
364
365 disable(){
366 set_all no $*
367 }
368
369 enable_weak(){
370 set_weak yes $*
371 }
372
373 disable_weak(){
374 set_weak no $*
375 }
376
377 enable_safe(){
378 for var; do
379 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
380 done
381 }
382
383 disable_safe(){
384 for var; do
385 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
386 done
387 }
388
389 do_enable_deep(){
390 for var; do
391 enabled $var && continue
392 eval sel="\$${var}_select"
393 eval sgs="\$${var}_suggest"
394 pushvar var sgs
395 enable_deep $sel
396 popvar sgs
397 enable_deep_weak $sgs
398 popvar var
399 done
400 }
401
402 enable_deep(){
403 do_enable_deep $*
404 enable $*
405 }
406
407 enable_deep_weak(){
408 do_enable_deep $*
409 enable_weak $*
410 }
411
412 enabled(){
413 test "${1#!}" = "$1" && op== || op=!=
414 eval test "x\$${1#!}" $op "xyes"
415 }
416
417 disabled(){
418 test "${1#!}" = "$1" && op== || op=!=
419 eval test "x\$${1#!}" $op "xno"
420 }
421
422 enabled_all(){
423 for opt; do
424 enabled $opt || return 1
425 done
426 }
427
428 disabled_all(){
429 for opt; do
430 disabled $opt || return 1
431 done
432 }
433
434 enabled_any(){
435 for opt; do
436 enabled $opt && return 0
437 done
438 }
439
440 disabled_any(){
441 for opt; do
442 disabled $opt && return 0
443 done
444 return 1
445 }
446
447 set_default(){
448 for opt; do
449 eval : \${$opt:=\$${opt}_default}
450 done
451 }
452
453 is_in(){
454 value=$1
455 shift
456 for var in $*; do
457 [ $var = $value ] && return 0
458 done
459 return 1
460 }
461
462 check_deps(){
463 for cfg; do
464 cfg="${cfg#!}"
465 enabled ${cfg}_checking && die "Circular dependency for $cfg."
466 disabled ${cfg}_checking && continue
467 enable ${cfg}_checking
468
469 eval dep_all="\$${cfg}_deps"
470 eval dep_any="\$${cfg}_deps_any"
471 eval dep_sel="\$${cfg}_select"
472 eval dep_sgs="\$${cfg}_suggest"
473 eval dep_ifa="\$${cfg}_if"
474 eval dep_ifn="\$${cfg}_if_any"
475
476 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
477 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
478 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
479
480 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
481 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
482 enabled_all $dep_all || disable $cfg
483 enabled_any $dep_any || disable $cfg
484 disabled_any $dep_sel && disable $cfg
485
486 if enabled $cfg; then
487 eval dep_extralibs="\$${cfg}_extralibs"
488 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
489 enable_deep $dep_sel
490 enable_deep_weak $dep_sgs
491 fi
492
493 disable ${cfg}_checking
494 done
495 }
496
497 print_config(){
498 pfx=$1
499 header=$2
500 makefile=$3
501 shift 3
502 for cfg; do
503 ucname="$(toupper $cfg)"
504 if enabled $cfg; then
505 echo "#define ${pfx}${ucname} 1" >> $header
506 echo "${pfx}${ucname}=yes" >> $makefile
507 else
508 echo "#define ${pfx}${ucname} 0" >> $header
509 echo "!${pfx}${ucname}=yes" >> $makefile
510 fi
511 done
512 }
513
514 flags_saved(){
515 (: ${SAVE_CFLAGS?}) 2> /dev/null
516 }
517
518 save_flags(){
519 flags_saved && return
520 SAVE_CFLAGS="$CFLAGS"
521 SAVE_LDFLAGS="$LDFLAGS"
522 SAVE_extralibs="$extralibs"
523 }
524
525 restore_flags(){
526 flags_saved || return
527 CFLAGS="$SAVE_CFLAGS"
528 LDFLAGS="$SAVE_LDFLAGS"
529 extralibs="$SAVE_extralibs"
530 unset SAVE_CFLAGS
531 unset SAVE_LDFLAGS
532 unset SAVE_extralibs
533 }
534
535 temp_cflags(){
536 save_flags
537 CFLAGS="$CFLAGS $*"
538 }
539
540 temp_ldflags(){
541 save_flags
542 LDFLAGS="$LDFLAGS $*"
543 }
544
545 temp_extralibs(){
546 save_flags
547 extralibs="$extralibs $*"
548 }
549
550 append(){
551 var=$1
552 shift
553 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
554 eval "$var=\"\$$var $*\""
555 }
556
557 add_cppflags(){
558 append CPPFLAGS $($filter_cppflags "$@")
559 }
560
561 add_cflags(){
562 append CFLAGS $($filter_cflags "$@")
563 }
564
565 add_asflags(){
566 append ASFLAGS $($filter_asflags "$@")
567 }
568
569 add_ldflags(){
570 append LDFLAGS "$@"
571 }
572
573 add_extralibs(){
574 append extralibs "$@"
575 }
576
577 check_cmd(){
578 log "$@"
579 "$@" >> $logfile 2>&1
580 }
581
582 check_cc(){
583 log check_cc "$@"
584 cat > $TMPC
585 log_file $TMPC
586 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
587 }
588
589 check_cpp(){
590 log check_cpp "$@"
591 cat > $TMPC
592 log_file $TMPC
593 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
594 }
595
596 check_as(){
597 log check_as "$@"
598 cat > $TMPC
599 log_file $TMPC
600 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
601 }
602
603 check_asm(){
604 log check_asm "$@"
605 name="$1"
606 code="$2"
607 shift 2
608 disable $name
609 check_as "$@" <<EOF && enable $name
610 void foo(void){ __asm__ volatile($code); }
611 EOF
612 }
613
614 check_yasm(){
615 log check_yasm "$@"
616 echo "$1" > $TMPS
617 log_file $TMPS
618 shift 1
619 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
620 }
621
622 check_ld(){
623 log check_ld "$@"
624 flags=''
625 libs=''
626 for f; do
627 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
628 done
629 check_cc $($filter_cflags $flags) || return
630 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
631 }
632
633 check_cppflags(){
634 log check_cppflags "$@"
635 set -- $($filter_cppflags "$@")
636 check_cc "$@" <<EOF && append CPPFLAGS "$@"
637 int x;
638 EOF
639 }
640
641 check_cflags(){
642 log check_cflags "$@"
643 set -- $($filter_cflags "$@")
644 check_cc "$@" <<EOF && append CFLAGS "$@"
645 int x;
646 EOF
647 }
648
649 test_ldflags(){
650 log test_ldflags "$@"
651 check_ld "$@" <<EOF
652 int main(void){ return 0; }
653 EOF
654 }
655
656 check_ldflags(){
657 log check_ldflags "$@"
658 test_ldflags "$@" && add_ldflags "$@"
659 }
660
661 check_header(){
662 log check_header "$@"
663 header=$1
664 shift
665 disable_safe $header
666 check_cpp "$@" <<EOF && enable_safe $header
667 #include <$header>
668 int x;
669 EOF
670 }
671
672 check_func(){
673 log check_func "$@"
674 func=$1
675 shift
676 disable $func
677 check_ld "$@" <<EOF && enable $func
678 extern int $func();
679 int main(void){ $func(); }
680 EOF
681 }
682
683 check_mathfunc(){
684 log check_mathfunc "$@"
685 func=$1
686 shift
687 disable $func
688 check_ld "$@" <<EOF && enable $func
689 #include <math.h>
690 float foo(float f) { return $func(f); }
691 int main(void){ return 0; }
692 EOF
693 }
694
695 check_func_headers(){
696 log check_func_headers "$@"
697 headers=$1
698 func=$2
699 shift 2
700 disable $func
701 incs=""
702 for hdr in $headers; do
703 incs="$incs
704 #include <$hdr>"
705 done
706 check_ld "$@" <<EOF && enable $func && enable_safe $headers
707 $incs
708 int main(int argc, char **argv){
709 return (long) $func;
710 }
711 EOF
712 }
713
714 check_cpp_condition(){
715 log check_cpp_condition "$@"
716 header=$1
717 condition=$2
718 shift 2
719 check_cpp $($filter_cppflags "$@") <<EOF
720 #include <$header>
721 #if !($condition)
722 #error "unsatisfied condition: $condition"
723 #endif
724 EOF
725 }
726
727 check_lib(){
728 log check_lib "$@"
729 header="$1"
730 func="$2"
731 shift 2
732 temp_extralibs "$@"
733 check_header $header && check_func $func && add_extralibs "$@"
734 err=$?
735 restore_flags
736 return $err
737 }
738
739 check_lib2(){
740 log check_lib2 "$@"
741 headers="$1"
742 func="$2"
743 shift 2
744 check_func_headers "$headers" $func "$@" && add_extralibs "$@"
745 }
746
747 check_exec(){
748 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
749 }
750
751 check_exec_crash(){
752 code=$(cat)
753
754 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
755 # are safe but may not be available everywhere. Thus we use
756 # raise(SIGTERM) instead. The check is run in a subshell so we
757 # can redirect the "Terminated" message from the shell. SIGBUS
758 # is not defined by standard C so it is used conditionally.
759
760 (check_exec "$@") >> $logfile 2>&1 <<EOF
761 #include <signal.h>
762 static void sighandler(int sig){
763 raise(SIGTERM);
764 }
765 int main(void){
766 signal(SIGILL, sighandler);
767 signal(SIGFPE, sighandler);
768 signal(SIGSEGV, sighandler);
769 #ifdef SIGBUS
770 signal(SIGBUS, sighandler);
771 #endif
772 { $code }
773 }
774 EOF
775 }
776
777 check_type(){
778 log check_type "$@"
779 headers=$1
780 type=$2
781 shift 2
782 disable_safe "$type"
783 incs=""
784 for hdr in $headers; do
785 incs="$incs
786 #include <$hdr>"
787 done
788 check_cc "$@" <<EOF && enable_safe "$type"
789 $incs
790 $type v;
791 EOF
792 }
793
794 check_struct(){
795 log check_type "$@"
796 headers=$1
797 struct=$2
798 member=$3
799 shift 3
800 disable_safe "${struct}_${member}"
801 incs=""
802 for hdr in $headers; do
803 incs="$incs
804 #include <$hdr>"
805 done
806 check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
807 $incs
808 const void *p = &(($struct *)0)->$member;
809 EOF
810 }
811
812 require(){
813 name="$1"
814 header="$2"
815 func="$3"
816 shift 3
817 check_lib $header $func "$@" || die "ERROR: $name not found"
818 }
819
820 require2(){
821 name="$1"
822 headers="$2"
823 func="$3"
824 shift 3
825 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
826 }
827
828 check_foo_config(){
829 cfg=$1
830 pkg=$2
831 header=$3
832 func=$4
833 shift 4
834 disable $cfg
835 check_cmd ${pkg}-config --version
836 err=$?
837 if test "$err" = 0; then
838 temp_cflags $(${pkg}-config --cflags)
839 temp_extralibs $(${pkg}-config --libs)
840 check_lib "$@" $header $func && enable $cfg
841 fi
842 return $err
843 }
844
845 check_host_cc(){
846 log check_host_cc "$@"
847 cat > $TMPC
848 log_file $TMPC
849 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
850 }
851
852 check_host_cflags(){
853 log check_host_cflags "$@"
854 check_host_cc "$@" <<EOF && append host_cflags "$@"
855 int x;
856 EOF
857 }
858
859 apply(){
860 file=$1
861 shift
862 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
863 }
864
865 cp_if_changed(){
866 cmp -s "$1" "$2" &&
867 echo "$2 is unchanged" ||
868 cp -f "$1" "$2"
869 }
870
871 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
872 # system-dependent things.
873
874 COMPONENT_LIST="
875 bsfs
876 decoders
877 demuxers
878 encoders
879 filters
880 hwaccels
881 indevs
882 muxers
883 outdevs
884 parsers
885 protocols
886 "
887
888 CONFIG_LIST="
889 $COMPONENT_LIST
890 aandct
891 avcodec
892 avdevice
893 avfilter
894 avfilter_lavf
895 avformat
896 avisynth
897 beos_netserver
898 bzlib
899 dct
900 doc
901 dwt
902 dxva2
903 fastdiv
904 ffmpeg
905 ffplay
906 ffprobe
907 ffserver
908 fft
909 golomb
910 gpl
911 gprof
912 gray
913 h264dsp
914 hardcoded_tables
915 libdc1394
916 libdirac
917 libfaac
918 libfaad
919 libfaadbin
920 libgsm
921 libmp3lame
922 libnut
923 libopencore_amrnb
924 libopencore_amrwb
925 libopenjpeg
926 librtmp
927 libschroedinger
928 libspeex
929 libtheora
930 libvorbis
931 libvpx
932 libx264
933 libxvid
934 lpc
935 lsp
936 mdct
937 memalign_hack
938 mlib
939 mpegaudio_hp
940 network
941 nonfree
942 pic
943 postproc
944 powerpc_perf
945 rdft
946 runtime_cpudetect
947 shared
948 small
949 sram
950 static
951 swscale
952 swscale_alpha
953 vaapi
954 vdpau
955 version3
956 x11grab
957 zlib
958 "
959
960 THREADS_LIST='
961 beosthreads
962 os2threads
963 pthreads
964 w32threads
965 '
966
967 ARCH_LIST='
968 alpha
969 arm
970 avr32
971 avr32_ap
972 avr32_uc
973 bfin
974 ia64
975 m68k
976 mips
977 mips64
978 parisc
979 ppc
980 ppc64
981 s390
982 sh4
983 sparc
984 sparc64
985 tomi
986 x86
987 x86_32
988 x86_64
989 '
990
991 ARCH_EXT_LIST='
992 altivec
993 amd3dnow
994 amd3dnowext
995 armv5te
996 armv6
997 armv6t2
998 armvfp
999 iwmmxt
1000 mmi
1001 mmx
1002 mmx2
1003 neon
1004 ppc4xx
1005 sse
1006 ssse3
1007 vis
1008 '
1009
1010 HAVE_LIST_PUB='
1011 bigendian
1012 '
1013
1014 HAVE_LIST="
1015 $ARCH_EXT_LIST
1016 $HAVE_LIST_PUB
1017 $THREADS_LIST
1018 alsa_asoundlib_h
1019 altivec_h
1020 arpa_inet_h
1021 attribute_may_alias
1022 attribute_packed
1023 bswap
1024 closesocket
1025 cmov
1026 conio_h
1027 dcbzl
1028 dev_bktr_ioctl_bt848_h
1029 dev_bktr_ioctl_meteor_h
1030 dev_ic_bt8xx_h
1031 dev_video_meteor_ioctl_meteor_h
1032 dev_video_bktr_ioctl_bt848_h
1033 dlfcn_h
1034 dlopen
1035 dos_paths
1036 ebp_available
1037 ebx_available
1038 exp2
1039 exp2f
1040 fast_64bit
1041 fast_clz
1042 fast_cmov
1043 fast_unaligned
1044 fork
1045 getaddrinfo
1046 gethrtime
1047 GetProcessMemoryInfo
1048 GetProcessTimes
1049 getrusage
1050 struct_rusage_ru_maxrss
1051 inet_aton
1052 inline_asm
1053 isatty
1054 ldbrx
1055 libdc1394_1
1056 libdc1394_2
1057 llrint
1058 llrintf
1059 local_aligned_16
1060 local_aligned_8
1061 log2
1062 log2f
1063 loongson
1064 lrint
1065 lrintf
1066 lzo1x_999_compress
1067 machine_ioctl_bt848_h
1068 machine_ioctl_meteor_h
1069 malloc_h
1070 memalign
1071 mkstemp
1072 pld
1073 posix_memalign
1074 round
1075 roundf
1076 sdl
1077 sdl_video_size
1078 setmode
1079 socklen_t
1080 soundcard_h
1081 poll_h
1082 setrlimit
1083 strerror_r
1084 struct_addrinfo
1085 struct_ipv6_mreq
1086 struct_sockaddr_in6
1087 struct_sockaddr_sa_len
1088 struct_sockaddr_storage
1089 sys_mman_h
1090 sys_resource_h
1091 sys_select_h
1092 sys_soundcard_h
1093 sys_videoio_h
1094 ten_operands
1095 termios_h
1096 threads
1097 truncf
1098 vfp_args
1099 VirtualAlloc
1100 winsock2_h
1101 xform_asm
1102 yasm
1103 "
1104
1105 # options emitted with CONFIG_ prefix but not available on command line
1106 CONFIG_EXTRA="
1107 avutil
1108 gplv3
1109 lgplv3
1110 "
1111
1112 CMDLINE_SELECT="
1113 $ARCH_EXT_LIST
1114 $CONFIG_LIST
1115 $THREADS_LIST
1116 asm
1117 cross_compile
1118 debug
1119 extra_warnings
1120 logging
1121 optimizations
1122 stripping
1123 yasm
1124 "
1125
1126 PATHS_LIST='
1127 bindir
1128 datadir
1129 incdir
1130 libdir
1131 mandir
1132 prefix
1133 shlibdir
1134 '
1135
1136 CMDLINE_SET="
1137 $PATHS_LIST
1138 ar
1139 arch
1140 as
1141 build_suffix
1142 cc
1143 cpu
1144 cross_prefix
1145 dep_cc
1146 extra_version
1147 host_cc
1148 host_cflags
1149 host_ldflags
1150 host_libs
1151 host_os
1152 ld
1153 logfile
1154 malloc_prefix
1155 nm
1156 samples
1157 source_path
1158 strip
1159 sysinclude
1160 sysroot
1161 target_exec
1162 target_os
1163 target_path
1164 "
1165
1166 CMDLINE_APPEND="
1167 extra_cflags
1168 "
1169
1170 # code dependency declarations
1171
1172 # architecture extensions
1173
1174 armv5te_deps="arm"
1175 armv6_deps="arm"
1176 armv6t2_deps="arm"
1177 armvfp_deps="arm"
1178 iwmmxt_deps="arm"
1179 neon_deps="arm"
1180
1181 mmi_deps="mips"
1182
1183 altivec_deps="ppc"
1184 ppc4xx_deps="ppc"
1185
1186 vis_deps="sparc"
1187
1188 x86_64_suggest="cmov fast_cmov"
1189 amd3dnow_deps="mmx"
1190 amd3dnowext_deps="amd3dnow"
1191 mmx_deps="x86"
1192 mmx2_deps="mmx"
1193 sse_deps="mmx"
1194 ssse3_deps="sse"
1195
1196 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1197 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1198 fast_unaligned_if_any="armv6 ppc x86"
1199
1200 need_memalign="altivec neon sse"
1201 inline_asm_deps="!tms470"
1202
1203 # subsystems
1204 mdct_select="fft"
1205 rdft_select="fft"
1206
1207 # decoders / encoders / hardware accelerators
1208 aac_decoder_select="mdct rdft aac_parser"
1209 aac_encoder_select="mdct"
1210 ac3_decoder_select="mdct ac3_parser"
1211 alac_encoder_select="lpc"
1212 amrnb_decoder_select="lsp"
1213 atrac1_decoder_select="mdct"
1214 atrac3_decoder_select="mdct"
1215 binkaudio_dct_decoder_select="mdct rdft dct"
1216 binkaudio_rdft_decoder_select="mdct rdft"
1217 cavs_decoder_select="golomb"
1218 cook_decoder_select="mdct"
1219 cscd_decoder_suggest="zlib"
1220 dca_decoder_select="mdct"
1221 dnxhd_encoder_select="aandct"
1222 dxa_decoder_select="zlib"
1223 eac3_decoder_select="ac3_decoder"
1224 eamad_decoder_select="aandct"
1225 eatgq_decoder_select="aandct"
1226 eatqi_decoder_select="aandct"
1227 ffv1_decoder_select="golomb"
1228 flac_decoder_select="golomb"
1229 flac_encoder_select="golomb lpc"
1230 flashsv_decoder_select="zlib"
1231 flashsv_encoder_select="zlib"
1232 flv_decoder_select="h263_decoder"
1233 flv_encoder_select="h263_encoder"
1234 h261_encoder_select="aandct"
1235 h263_decoder_select="h263_parser"
1236 h263_encoder_select="aandct"
1237 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1238 h263i_decoder_select="h263_decoder"
1239 h263p_encoder_select="h263_encoder"
1240 h264_decoder_select="golomb h264dsp"
1241 h264_dxva2_hwaccel_deps="dxva2api_h"
1242 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1243 h264_vaapi_hwaccel_select="vaapi"
1244 h264_vdpau_decoder_select="vdpau h264_decoder"
1245 imc_decoder_select="fft mdct"
1246 jpegls_decoder_select="golomb"
1247 jpegls_encoder_select="golomb"
1248 ljpeg_encoder_select="aandct"
1249 loco_decoder_select="golomb"
1250 mjpeg_encoder_select="aandct"
1251 mlp_decoder_select="mlp_parser"
1252 mpeg1video_encoder_select="aandct"
1253 mpeg2video_encoder_select="aandct"
1254 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1255 mpeg4_encoder_select="h263_encoder"
1256 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1257 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1258 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1259 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1260 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1261 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1262 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1263 msmpeg4v1_decoder_select="h263_decoder"
1264 msmpeg4v1_encoder_select="h263_encoder"
1265 msmpeg4v2_decoder_select="h263_decoder"
1266 msmpeg4v2_encoder_select="h263_encoder"
1267 msmpeg4v3_decoder_select="h263_decoder"
1268 msmpeg4v3_encoder_select="h263_encoder"
1269 nellymoser_decoder_select="mdct"
1270 nellymoser_encoder_select="mdct"
1271 png_decoder_select="zlib"
1272 png_encoder_select="zlib"
1273 qcelp_decoder_select="lsp"
1274 qdm2_decoder_select="mdct rdft"
1275 rv10_decoder_select="h263_decoder"
1276 rv10_encoder_select="h263_encoder"
1277 rv20_decoder_select="h263_decoder"
1278 rv20_encoder_select="h263_encoder"
1279 rv30_decoder_select="golomb h264dsp"
1280 rv40_decoder_select="golomb h264dsp"
1281 shorten_decoder_select="golomb"
1282 sipr_decoder_select="lsp"
1283 snow_decoder_select="dwt"
1284 snow_encoder_select="aandct dwt"
1285 sonic_decoder_select="golomb"
1286 sonic_encoder_select="golomb"
1287 sonic_ls_encoder_select="golomb"
1288 svq1_encoder_select="aandct"
1289 svq3_decoder_select="golomb h264dsp"
1290 svq3_decoder_suggest="zlib"
1291 theora_decoder_select="vp3_decoder"
1292 tiff_decoder_suggest="zlib"
1293 tiff_encoder_suggest="zlib"
1294 truehd_decoder_select="mlp_decoder"
1295 tscc_decoder_select="zlib"
1296 twinvq_decoder_select="mdct lsp"
1297 vc1_decoder_select="h263_decoder"
1298 vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
1299 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1300 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1301 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1302 vorbis_decoder_select="mdct"
1303 vorbis_encoder_select="mdct"
1304 vp6a_decoder_select="vp6_decoder"
1305 vp6f_decoder_select="vp6_decoder"
1306 wmapro_decoder_select="mdct"
1307 wmav1_decoder_select="mdct"
1308 wmav1_encoder_select="mdct"
1309 wmav2_decoder_select="mdct"
1310 wmav2_encoder_select="mdct"
1311 wmavoice_decoder_select="lsp rdft dct"
1312 wmv1_decoder_select="h263_decoder"
1313 wmv1_encoder_select="h263_encoder"
1314 wmv2_decoder_select="h263_decoder"
1315 wmv2_encoder_select="h263_encoder"
1316 wmv3_decoder_select="vc1_decoder"
1317 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1318 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1319 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1320 zlib_decoder_select="zlib"
1321 zlib_encoder_select="zlib"
1322 zmbv_decoder_select="zlib"
1323 zmbv_encoder_select="zlib"
1324
1325 vaapi_deps="va_va_h"
1326 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1327
1328 # parsers
1329 h264_parser_select="golomb h264dsp"
1330
1331 # bitstream_filters
1332 aac_adtstoasc_bsf_select="aac_parser"
1333
1334 # external libraries
1335 libdirac_decoder_deps="libdirac !libschroedinger"
1336 libdirac_encoder_deps="libdirac"
1337 libfaac_encoder_deps="libfaac"
1338 libfaad_decoder_deps="libfaad"
1339 libfaadbin_extralibs='$ldl'
1340 libgsm_decoder_deps="libgsm"
1341 libgsm_encoder_deps="libgsm"
1342 libgsm_ms_decoder_deps="libgsm"
1343 libgsm_ms_encoder_deps="libgsm"
1344 libmp3lame_encoder_deps="libmp3lame"
1345 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1346 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1347 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1348 libopenjpeg_decoder_deps="libopenjpeg"
1349 libschroedinger_decoder_deps="libschroedinger"
1350 libschroedinger_encoder_deps="libschroedinger"
1351 libspeex_decoder_deps="libspeex"
1352 libtheora_encoder_deps="libtheora"
1353 libvorbis_encoder_deps="libvorbis"
1354 libvpx_decoder_deps="libvpx"
1355 libx264_encoder_deps="libx264"
1356 libxvid_encoder_deps="libxvid"
1357
1358 # demuxers / muxers
1359 ac3_demuxer_deps="ac3_parser"
1360 asf_stream_muxer_select="asf_muxer"
1361 avisynth_demuxer_deps="avisynth"
1362 dirac_demuxer_deps="dirac_parser"
1363 eac3_demuxer_select="ac3_parser"
1364 ipod_muxer_select="mov_muxer"
1365 libnut_demuxer_deps="libnut"
1366 libnut_muxer_deps="libnut"
1367 matroska_audio_muxer_select="matroska_muxer"
1368 matroska_demuxer_suggest="zlib bzlib"
1369 mov_demuxer_suggest="zlib"
1370 mp3_demuxer_deps="mpegaudio_parser"
1371 mp4_muxer_select="mov_muxer"
1372 mpegtsraw_demuxer_select="mpegts_demuxer"
1373 mxf_d10_muxer_select="mxf_muxer"
1374 ogg_demuxer_select="golomb"
1375 psp_muxer_select="mov_muxer"
1376 rtsp_demuxer_deps="sdp_demuxer"
1377 rtsp_muxer_deps="sdp_demuxer"
1378 rtsp_muxer_select="rtp_muxer"
1379 sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1380 sdp_demuxer_select="asf_demuxer rm_demuxer"
1381 spdif_muxer_select="aac_parser"
1382 tg2_muxer_select="mov_muxer"
1383 tgp_muxer_select="mov_muxer"
1384 w64_demuxer_deps="wav_demuxer"
1385
1386 # indevs / outdevs
1387 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1388 alsa_indev_extralibs="-lasound"
1389 alsa_outdev_deps="alsa_asoundlib_h"
1390 alsa_outdev_extralibs="-lasound"
1391 audio_beos_indev_deps="audio_beos"
1392 audio_beos_indev_extralibs="-lmedia -lbe"
1393 audio_beos_outdev_deps="audio_beos"
1394 audio_beos_outdev_extralibs="-lmedia -lbe"
1395 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1396 dv1394_indev_deps="dv1394 dv_demuxer"
1397 jack_indev_deps="jack_jack_h"
1398 jack_indev_extralibs="-ljack"
1399 libdc1394_indev_deps="libdc1394"
1400 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1401 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1402 v4l_indev_deps="linux_videodev_h"
1403 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1404 vfwcap_indev_deps="capCreateCaptureWindow"
1405 vfwcap_indev_extralibs="-lavicap32"
1406 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1407 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1408
1409 # protocols
1410 gopher_protocol_deps="network"
1411 http_protocol_deps="network"
1412 http_protocol_select="tcp_protocol"
1413 mmst_protocol_deps="network"
1414 rtmp_protocol_select="tcp_protocol"
1415 rtp_protocol_select="udp_protocol"
1416 tcp_protocol_deps="network"
1417 udp_protocol_deps="network"
1418
1419 # filters
1420 movie_filter_deps="avfilter_lavf"
1421 avfilter_lavf_deps="avformat"
1422
1423 # libraries
1424 avdevice_deps="avcodec avformat"
1425 avformat_deps="avcodec"
1426
1427 # programs
1428 ffmpeg_deps="avcodec avformat swscale"
1429 ffplay_deps="avcodec avformat swscale sdl"
1430 ffplay_select="rdft"
1431 ffprobe_deps="avcodec avformat"
1432 ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
1433 ffserver_extralibs='$ldl'
1434
1435 doc_deps="texi2html"
1436
1437 # default parameters
1438
1439 logfile="config.err"
1440
1441 # installation paths
1442 prefix_default="/usr/local"
1443 bindir_default='${prefix}/bin'
1444 datadir_default='${prefix}/share/ffmpeg'
1445 incdir_default='${prefix}/include'
1446 libdir_default='${prefix}/lib'
1447 mandir_default='${prefix}/share/man'
1448 shlibdir_default="$libdir_default"
1449
1450 # toolchain
1451 ar_default="ar"
1452 cc_default="gcc"
1453 cc_version=\"unknown\"
1454 host_cc_default="gcc"
1455 ln_s="ln -sf"
1456 nm_default="nm"
1457 objformat="elf"
1458 ranlib="ranlib"
1459 strip_default="strip"
1460 yasmexe="yasm"
1461
1462 nm_opts='-g'
1463
1464 # machine
1465 arch_default=$(uname -m)
1466 cpu="generic"
1467
1468 # OS
1469 target_os_default=$(tolower $(uname -s))
1470 host_os=$target_os_default
1471
1472 # configurable options
1473 enable avcodec
1474 enable avdevice
1475 enable avfilter
1476 enable avformat
1477 enable avutil
1478 enable asm
1479 enable debug
1480 enable doc
1481 enable fastdiv
1482 enable ffmpeg
1483 enable ffplay
1484 enable ffprobe
1485 enable ffserver
1486 enable mpegaudio_hp
1487 enable network
1488 enable optimizations
1489 enable protocols
1490 enable static
1491 enable stripping
1492 enable swscale
1493 enable swscale_alpha
1494
1495 # build settings
1496 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1497 FFSERVERLDFLAGS=-Wl,-E
1498 LIBPREF="lib"
1499 LIBSUF=".a"
1500 FULLNAME='$(NAME)$(BUILDSUF)'
1501 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1502 SLIBPREF="lib"
1503 SLIBSUF=".so"
1504 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1505 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1506 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1507 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1508
1509 CC_O='-o $@'
1510
1511 host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
1512 host_libs='-lm'
1513
1514 target_path='$(CURDIR)'
1515
1516 # gcc stupidly only outputs the basename of targets with -MM, but we need the
1517 # full relative path for objects in subdirectories for non-recursive Make.
1518 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1519 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1520
1521 # find source path
1522 source_path="$(dirname "$0")"
1523 enable source_path_used
1524 if test -f configure; then
1525 source_path="$(pwd)"
1526 disable source_path_used
1527 else
1528 source_path="$(cd "$source_path"; pwd)"
1529 echo "$source_path" | grep -q '[[:blank:]]' &&
1530 die "Out of tree builds are impossible with whitespace in source path."
1531 test -e "$source_path/config.h" &&
1532 die "Out of tree builds are impossible with config.h in source dir."
1533 fi
1534
1535 for v in "$@"; do
1536 r=${v#*=}
1537 l=${v%"$r"}
1538 r=$(sh_quote "$r")
1539 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1540 done
1541
1542 find_things(){
1543 thing=$1
1544 pattern=$2
1545 file=$source_path/$3
1546 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1547 }
1548
1549 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1550 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1551 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1552 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1553 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1554 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1555 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1556 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1557 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1558 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1559 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1560
1561 for n in $COMPONENT_LIST; do
1562 v=$(toupper ${n%s})_LIST
1563 eval enable \$$v
1564 eval ${n}_if_any="\$$v"
1565 done
1566
1567 enable $ARCH_EXT_LIST
1568
1569 die_unknown(){
1570 echo "Unknown option \"$1\"."
1571 echo "See $0 --help for available options."
1572 exit 1
1573 }
1574
1575 show_list() {
1576 suffix=_$1
1577 shift
1578 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1579 exit 0
1580 }
1581
1582 for opt do
1583 optval="${opt#*=}"
1584 case "$opt" in
1585 --extra-ldflags=*) add_ldflags $optval
1586 ;;
1587 --extra-libs=*) add_extralibs $optval
1588 ;;
1589 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1590 ;;
1591 --enable-debug=*) debuglevel="$optval"
1592 ;;
1593 --disable-everything)
1594 map 'eval disable \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1595 ;;
1596 --enable-*=*|--disable-*=*)
1597 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1598 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1599 eval list=\$$(toupper $thing)_LIST
1600 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1601 $action $(filter "$name" $list)
1602 ;;
1603 --enable-?*|--disable-?*)
1604 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1605 if is_in $option $COMPONENT_LIST; then
1606 test $action = disable && action=unset
1607 eval $action \$$(toupper ${option%s})_LIST
1608 elif is_in $option $CMDLINE_SELECT; then
1609 $action $option
1610 else
1611 die_unknown $opt
1612 fi
1613 ;;
1614 --list-*)
1615 NAME="${opt#--list-}"
1616 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1617 NAME=${NAME%s}
1618 eval show_list $NAME \$$(toupper $NAME)_LIST
1619 ;;
1620 --help|-h) show_help
1621 ;;
1622 *)
1623 optname="${opt%%=*}"
1624 optname="${optname#--}"
1625 optname=$(echo "$optname" | sed 's/-/_/g')
1626 if is_in $optname $CMDLINE_SET; then
1627 eval $optname='$optval'
1628 elif is_in $optname $CMDLINE_APPEND; then
1629 append $optname "$optval"
1630 else
1631 die_unknown $opt
1632 fi
1633 ;;
1634 esac
1635 done
1636
1637 disabled logging && logfile=/dev/null
1638
1639 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1640 set >> $logfile
1641
1642 test -n "$cross_prefix" && enable cross_compile
1643
1644 if enabled cross_compile; then
1645 test -n "$arch" && test -n "$target_os" ||
1646 die "Must specify target arch and OS when cross-compiling"
1647 fi
1648
1649 set_default arch target_os
1650
1651 ar_default="${cross_prefix}${ar_default}"
1652 cc_default="${cross_prefix}${cc_default}"
1653 nm_default="${cross_prefix}${nm_default}"
1654 ranlib="${cross_prefix}${ranlib}"
1655 strip_default="${cross_prefix}${strip_default}"
1656
1657 sysinclude_default="${sysroot}/usr/include"
1658
1659 set_default cc nm strip sysinclude
1660 enabled cross_compile || host_cc_default=$cc
1661 set_default host_cc
1662
1663 exesuf() {
1664 case $1 in
1665 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1666 esac
1667 }
1668
1669 EXESUF=$(exesuf $target_os)
1670 HOSTEXESUF=$(exesuf $host_os)
1671
1672 # set temporary file name
1673 : ${TMPDIR:=$TEMPDIR}
1674 : ${TMPDIR:=$TMP}
1675 : ${TMPDIR:=/tmp}
1676
1677 if ! check_cmd type mktemp; then
1678 # simple replacement for missing mktemp
1679 # NOT SAFE FOR GENERAL USE
1680 mktemp(){
1681 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1682 }
1683 fi
1684
1685 tmpfile(){
1686 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1687 (set -C; exec > $tmp) 2>/dev/null ||
1688 die "Unable to create temporary file in $TMPDIR."
1689 append TMPFILES $tmp
1690 eval $1=$tmp
1691 }
1692
1693 trap 'rm -f -- $TMPFILES' EXIT
1694 trap exit HUP INT TERM
1695
1696 tmpfile TMPC .c
1697 tmpfile TMPE $EXESUF
1698 tmpfile TMPH .h
1699 tmpfile TMPO .o
1700 tmpfile TMPS .S
1701 tmpfile TMPV .ver
1702 tmpfile TMPSH .sh
1703
1704 unset -f mktemp
1705
1706 # make sure we can execute files in $TMPDIR
1707 cat > $TMPSH 2>> $logfile <<EOF
1708 #! /bin/sh
1709 EOF
1710 chmod +x $TMPSH >> $logfile 2>&1
1711 if ! $TMPSH >> $logfile 2>&1; then
1712 cat <<EOF
1713 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1714 variable to another directory and make sure that it is not mounted noexec.
1715 EOF
1716 die "Sanity test failed."
1717 fi
1718
1719 filter_cflags=echo
1720 filter_cppflags=echo
1721 filter_asflags=echo
1722
1723 if $cc -v 2>&1 | grep -qi ^gcc; then
1724 cc_type=gcc
1725 cc_version=__VERSION__
1726 if ! $cc -dumpversion | grep -q '^2\.'; then
1727 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1728 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1729 fi
1730 speed_cflags='-O3'
1731 size_cflags='-Os'
1732 elif $cc --version 2>/dev/null | grep -q Intel; then
1733 cc_type=icc
1734 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1735 CC_DEPFLAGS='-MMD'
1736 AS_DEPFLAGS='-MMD'
1737 speed_cflags='-O3'
1738 size_cflags='-Os'
1739 noopt_cflags='-O1'
1740 elif $cc -v 2>&1 | grep -q xlc; then
1741 cc_type=xlc
1742 cc_version="AV_STRINGIFY(__IBMC__)"
1743 speed_cflags='-O5'
1744 size_cflags='-O5 -qcompact'
1745 elif $cc -V 2>/dev/null | grep -q Compaq; then
1746 cc_type=ccc
1747 cc_version="AV_STRINGIFY(__DECC_VER)"
1748 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1749 debuglevel=3
1750 add_ldflags -Wl,-z,now # calls to libots crash without this
1751 speed_cflags='-fast'
1752 size_cflags='-O1'
1753 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1754 test -d "$sysroot" || die "No valid sysroot specified."
1755 cc_type=armcc
1756 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1757 armcc_conf="$PWD/armcc.conf"
1758 $cc --arm_linux_configure \
1759 --arm_linux_config_file="$armcc_conf" \
1760 --configure_sysroot="$sysroot" \
1761 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1762 die "Error creating armcc configuration file."
1763 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1764 as_default="${cross_prefix}gcc"
1765 CC_DEPFLAGS='-MMD'
1766 AS_DEPFLAGS='-MMD'
1767 speed_cflags='-O3'
1768 size_cflags='-Os'
1769 elif $cc -version 2>/dev/null | grep -q TMS470; then
1770 cc_type=tms470
1771 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1772 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1773 CC_O='-fr=$(@D)'
1774 as_default="${cross_prefix}gcc"
1775 ld_default="${cross_prefix}gcc"
1776 TMPO=$(basename $TMPC .c).o
1777 append TMPFILES $TMPO
1778 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1779 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1780 AS_DEPFLAGS='-MMD'
1781 speed_cflags='-O3 -mf=5'
1782 size_cflags='-O3 -mf=2'
1783 filter_cflags=tms470_flags
1784 tms470_flags(){
1785 for flag; do
1786 case $flag in
1787 -march=*|-mcpu=*)
1788 case "${flag#*=}" in
1789 armv7-a|cortex-a*) echo -mv=7a8 ;;
1790 armv7-r|cortex-r*) echo -mv=7r4 ;;
1791 armv7-m|cortex-m*) echo -mv=7m3 ;;
1792 armv6*|arm11*) echo -mv=6 ;;
1793 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1794 echo -mv=5e ;;
1795 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1796 esac
1797 ;;
1798 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1799 -mfpu=vfp) echo --float_support=vfpv2 ;;
1800 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
1801 -msoft-float) echo --float_support=vfplib ;;
1802 -O[0-3]|-mf=*) echo $flag ;;
1803 -g) echo -g -mn ;;
1804 -pds=*) echo $flag ;;
1805 esac
1806 done
1807 }
1808 elif $cc -v 2>&1 | grep -q clang; then
1809 cc_type=clang
1810 cc_version=__VERSION__
1811 CC_DEPFLAGS='-MMD'
1812 AS_DEPFLAGS='-MMD'
1813 speed_cflags='-O3'
1814 size_cflags='-Os'
1815 elif $cc -V 2>&1 | grep -q Sun; then
1816 cc_type=suncc
1817 cc_version="AV_STRINGIFY(__SUNPRO_C)"
1818 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
1819 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
1820 speed_cflags='-O5'
1821 size_cflags='-O5 -xspace'
1822 filter_cflags=suncc_flags
1823 suncc_flags(){
1824 for flag; do
1825 case $flag in
1826 -march=*|-mcpu=*)
1827 case "${flag#*=}" in
1828 native) echo -xtarget=native ;;
1829 v9|niagara) echo -xarch=sparc ;;
1830 ultrasparc) echo -xarch=sparcvis ;;
1831 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
1832 i586|pentium) echo -xchip=pentium ;;
1833 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
1834 pentium3*|c3-2) echo -xtarget=pentium3 ;;
1835 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
1836 pentium4*) echo -xtarget=pentium4 ;;
1837 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
1838 *-sse3) echo -xarch=sse3 ;;
1839 core2) echo -xarch=ssse3 -xchip=core2 ;;
1840 amdfam10|barcelona) echo -xarch=sse4_1 ;;
1841 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
1842 k8|opteron|athlon64|athlon-fx)
1843 echo -xarch=sse2a ;;
1844 athlon*) echo -xarch=pentium_proa ;;
1845 esac
1846 ;;
1847 -std=c99) echo -xc99 ;;
1848 -fomit-frame-pointer) echo -xregs=frameptr ;;
1849 -fPIC) echo -KPIC -xcode=pic32 ;;
1850 -W*,*) echo $flag ;;
1851 -f*-*|-W*) ;;
1852 *) echo $flag ;;
1853 esac
1854 done
1855 }
1856 fi
1857
1858 test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1859
1860 : ${as_default:=$cc}
1861 : ${dep_cc_default:=$cc}
1862 : ${ld_default:=$cc}
1863 set_default ar as dep_cc ld
1864
1865 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1866 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1867
1868 add_cflags $extra_cflags
1869 add_asflags $extra_cflags
1870
1871 if test -n "$sysroot"; then
1872 case "$cc_type" in
1873 gcc)
1874 add_cppflags --sysroot="$sysroot"
1875 add_ldflags --sysroot="$sysroot"
1876 ;;
1877 tms470)
1878 add_cppflags -I"$sysinclude"
1879 add_ldflags --sysroot="$sysroot"
1880 ;;
1881 clang)
1882 add_cppflags -isysroot "$sysroot"
1883 add_ldflags -isysroot "$sysroot"
1884 ;;
1885 esac
1886 fi
1887
1888 if test "$cpu" = host; then
1889 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1890
1891 case "$cc_type" in
1892 gcc)
1893 check_native(){
1894 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
1895 sed -n "/$1=/{
1896 s/.*$1=\\([^ ]*\\).*/\\1/
1897 p
1898 q
1899 }" $TMPE
1900 }
1901 cpu=$(check_native -march || check_native -mcpu)
1902 ;;
1903 esac
1904
1905 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1906 fi
1907
1908 # Deal with common $arch aliases
1909 case "$arch" in
1910 arm*)
1911 arch="arm"
1912 ;;
1913 mips|mipsel|IP*)
1914 arch="mips"
1915 ;;
1916 mips64*)
1917 arch="mips"
1918 subarch="mips64"
1919 ;;
1920 parisc|hppa)
1921 arch="parisc"
1922 ;;
1923 parisc64|hppa64)
1924 arch="parisc"
1925 subarch="parisc64"
1926 ;;
1927 "Power Macintosh"|ppc|powerpc)
1928 arch="ppc"
1929 ;;
1930 ppc64|powerpc64)
1931 arch="ppc"
1932 subarch="ppc64"
1933 ;;
1934 s390|s390x)
1935 arch="s390"
1936 ;;
1937 sh4|sh)
1938 arch="sh4"
1939 ;;
1940 sun4u|sparc64)
1941 arch="sparc"
1942 subarch="sparc64"
1943 ;;
1944 i[3-6]86|i86pc|BePC|x86_64|amd64)
1945 arch="x86"
1946 ;;
1947 esac
1948
1949 is_in $arch $ARCH_LIST || echo "WARNING: unknown arch $arch"
1950 enable $arch
1951
1952 # Add processor-specific flags
1953 if test "$cpu" = generic; then
1954 : do nothing
1955 elif enabled ppc; then
1956
1957 case $(tolower $cpu) in
1958 601|ppc601|powerpc601)
1959 cpuflags="-mcpu=601"
1960 disable altivec
1961 ;;
1962 603*|ppc603*|powerpc603*)
1963 cpuflags="-mcpu=603"
1964 disable altivec
1965 ;;
1966 604*|ppc604*|powerpc604*)
1967 cpuflags="-mcpu=604"
1968 disable altivec
1969 ;;
1970 g3|75*|ppc75*|powerpc75*)
1971 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
1972 disable altivec
1973 ;;
1974 g4|745*|ppc745*|powerpc745*)
1975 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1976 ;;
1977 74*|ppc74*|powerpc74*)
1978 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1979 ;;
1980 g5|970|ppc970|powerpc970|power4*)
1981 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1982 ;;
1983 cell)
1984 cpuflags="-mcpu=cell"
1985 enable ldbrx
1986 ;;
1987 e500v2)
1988 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
1989 disable altivec
1990 ;;
1991 e500)
1992 cpuflags="-mcpu=8540 -mhard-float"
1993 disable altivec
1994 ;;
1995 esac
1996
1997 elif enabled x86; then
1998
1999 case $cpu in
2000 i[345]86|pentium)
2001 cpuflags="-march=$cpu"
2002 disable mmx
2003 ;;
2004 # targets that do NOT support conditional mov (cmov)
2005 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2006 cpuflags="-march=$cpu"
2007 disable cmov
2008 ;;
2009 # targets that do support conditional mov (cmov)
2010 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10)
2011 cpuflags="-march=$cpu"
2012 enable cmov
2013 enable fast_cmov
2014 ;;
2015 # targets that do support conditional mov but on which it's slow
2016 pentium4|pentium4m|prescott|nocona)
2017 cpuflags="-march=$cpu"
2018 enable cmov
2019 disable fast_cmov
2020 ;;
2021 esac
2022
2023 elif enabled sparc; then
2024
2025 case $cpu in
2026 niagara)
2027 cpuflags="-mcpu=$cpu"
2028 disable vis
2029 ;;
2030 sparc64)
2031 cpuflags="-mcpu=v9"
2032 ;;
2033 esac
2034
2035 elif enabled arm; then
2036
2037 case $cpu in
2038 armv*)
2039 cpuflags="-march=$cpu"
2040 ;;
2041 *)
2042 cpuflags="-mcpu=$cpu"
2043 ;;
2044 esac
2045
2046 elif enabled alpha; then
2047
2048 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2049
2050 elif enabled bfin; then
2051
2052 cpuflags="-mcpu=$cpu"
2053
2054 elif enabled mips; then
2055
2056 cpuflags="-march=$cpu"
2057
2058 elif enabled avr32; then
2059
2060 case $cpu in
2061 ap7[02]0[0-2])
2062 subarch="avr32_ap"
2063 cpuflags="-mpart=$cpu"
2064 ;;
2065 ap)
2066 subarch="avr32_ap"
2067 cpuflags="-march=$cpu"
2068 ;;
2069 uc3[ab]*)
2070 subarch="avr32_uc"
2071 cpuflags="-mcpu=$cpu"
2072 ;;
2073 uc)
2074 subarch="avr32_uc"
2075 cpuflags="-march=$cpu"
2076 ;;
2077 esac
2078
2079 fi
2080
2081 add_cflags $cpuflags
2082 add_asflags $cpuflags
2083
2084 # compiler sanity check
2085 check_exec <<EOF
2086 int main(void){ return 0; }
2087 EOF
2088 if test "$?" != 0; then
2089 echo "$cc is unable to create an executable file."
2090 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2091 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2092 echo "Only do this if you know what cross compiling means."
2093 fi
2094 die "C compiler test failed."
2095 fi
2096
2097 add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
2098 check_cflags -std=c99
2099 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2100 #include <stdlib.h>
2101 EOF
2102 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2103 #include <stdlib.h>
2104 EOF
2105
2106 check_host_cflags -std=c99
2107
2108 case "$arch" in
2109 alpha|ia64|mips|parisc|sparc)
2110 spic=$shared
2111 ;;
2112 x86)
2113 subarch="x86_32"
2114 check_cc <<EOF && subarch="x86_64"
2115 int test[(int)sizeof(char*) - 7];
2116 EOF
2117 if test "$subarch" = "x86_64"; then
2118 spic=$shared
2119 fi
2120 ;;
2121 esac
2122
2123 enable $subarch
2124 enabled spic && enable pic
2125
2126 # OS specific
2127 case $target_os in
2128 beos|haiku|zeta)
2129 prefix_default="$HOME/config"
2130 # 3 gcc releases known for BeOS, each with ugly bugs
2131 gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
2132 case "$gcc_version" in
2133 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
2134 disable mmx
2135 ;;
2136 *20010315*) echo "BeBits gcc"
2137 add_cflags -fno-expensive-optimizations
2138 ;;
2139 esac
2140 SHFLAGS=-nostart
2141 # enable BeOS things
2142 enable audio_beos
2143 # no need for libm, but the inet stuff
2144 # Check for BONE
2145 # XXX: actually should check for NOT net_server
2146 if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
2147 network_extralibs="-lbind -lsocket"
2148 else
2149 enable beos_netserver
2150 network_extralibs="-lnet"
2151 fi ;;
2152 sunos)
2153 FFSERVERLDFLAGS=""
2154 SHFLAGS='-shared -Wl,-h,$$(@F)'
2155 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2156 network_extralibs="-lsocket -lnsl"
2157 add_cppflags -D__EXTENSIONS__
2158 nm_opts='-P -g'
2159 ;;
2160 netbsd)
2161 oss_indev_extralibs="-lossaudio"
2162 oss_outdev_extralibs="-lossaudio"
2163 add_cppflags -D_XOPEN_SOURCE=600
2164 ;;
2165 openbsd)
2166 enable malloc_aligned
2167 # On OpenBSD 4.5. the compiler does not use PIC unless
2168 # explicitly using -fPIC. FFmpeg builds fine without PIC,
2169 # however the generated executable will not do anything
2170 # (simply quits with exit-code 1, no crash, no output).
2171 # Thus explicitly enable PIC here.
2172 enable pic
2173 SHFLAGS='-shared'
2174 oss_indev_extralibs="-lossaudio"
2175 oss_outdev_extralibs="-lossaudio"
2176 ;;
2177 freebsd|dragonfly)
2178 enable malloc_aligned
2179 ;;
2180 bsd/os)
2181 osextralibs="-lpoll -lgnugetopt"
2182 strip="strip -d"
2183 ;;
2184 darwin)
2185 enable malloc_aligned
2186 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
2187 strip="strip -x"
2188 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
2189 SLIBSUF=".dylib"
2190 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2191 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2192 FFSERVERLDFLAGS=-Wl,-bind_at_load
2193 objformat="macho"
2194 enabled x86_64 && objformat="macho64"
2195 enabled_any pic shared ||
2196 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2197 ;;
2198 mingw32*)
2199 if test $target_os = "mingw32ce"; then
2200 disable network
2201 else
2202 target_os=mingw32
2203 fi
2204 LIBTARGET=i386
2205 if enabled x86_64; then
2206 enable malloc_aligned
2207 LIBTARGET=x64
2208 elif enabled arm; then
2209 LIBTARGET=arm
2210 fi
2211 shlibdir_default="$bindir_default"
2212 disable ffserver
2213 SLIBPREF=""
2214 SLIBSUF=".dll"
2215 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2216 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2217 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
2218 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
2219 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2220 install -d "$(LIBDIR)"; \
2221 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
2222 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
2223 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
2224 objformat="win32"
2225 enable dos_paths
2226 check_cflags -fno-common
2227 if ! enabled x86_64; then
2228 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2229 die "ERROR: MinGW runtime version must be >= 3.15."
2230 enabled_any avisynth vfwcap_indev &&
2231 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
2232 die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
2233 fi
2234 ;;
2235 cygwin*)
2236 target_os=cygwin
2237 shlibdir_default="$bindir_default"
2238 SLIBPREF="cyg"
2239 SLIBSUF=".dll"
2240 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2241 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2242 SHFLAGS='-shared -Wl,--enable-auto-image-base'
2243 objformat="win32"
2244 enable dos_paths
2245 check_cflags -fno-common
2246 ;;
2247 *-dos|freedos|opendos)
2248 disable ffplay ffserver
2249 disable $INDEV_LIST $OUTDEV_LIST
2250 network_extralibs="-lsocket"
2251 objformat="coff"
2252 enable dos_paths
2253 ;;
2254 linux)
2255 enable dv1394
2256 ;;
2257 irix*)
2258 target_os=irix
2259 ranlib="echo ignoring ranlib"
2260 ;;
2261 os/2*)
2262 strip="lxlite"
2263 ln_s="cp -f"
2264 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
2265 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2266 FFSERVERLDFLAGS=""
2267 LIBSUF="_s.a"
2268 SLIBPREF=""
2269 SLIBSUF=".dll"
2270 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2271 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2272 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2273 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2274 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2275 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2276 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2277 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2278 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2279 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2280 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
2281 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
2282 enable dos_paths
2283 ;;
2284 gnu/kfreebsd)
2285 ;;
2286 gnu)
2287 ;;
2288 none)
2289 ;;
2290 *)
2291 die "Unknown OS '$target_os'."
2292 ;;
2293 esac
2294
2295 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2296
2297 set_default $PATHS_LIST
2298
2299 add_extralibs $osextralibs
2300
2301 # Combine FFLDFLAGS and the LDFLAGS environment variable.
2302 LDFLAGS="$FFLDFLAGS $LDFLAGS"
2303
2304 # we need to build at least one lib type
2305 if ! enabled_any static shared; then
2306 cat <<EOF
2307 At least one library type must be built.
2308 Specify --enable-static to build the static libraries or --enable-shared to
2309 build the shared libraries as well. To only build the shared libraries specify
2310 --disable-static in addition to --enable-shared.
2311 EOF
2312 exit 1;
2313 fi
2314
2315 disabled static && LIBNAME=""
2316
2317 if enabled_any libfaad libfaadbin ; then
2318 if check_header faad.h; then
2319 check_cc <<EOF
2320 #include <faad.h>
2321 #ifndef FAAD2_VERSION
2322 ok faad1
2323 #endif
2324 int main(void) { return 0; }
2325 EOF
2326 test $? = 0 && enable libfaad2
2327 else
2328 die "FAAD test failed."
2329 fi
2330 fi
2331
2332
2333 die_license_disabled() {
2334 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2335 }
2336
2337 die_license_disabled gpl libfaad2
2338 die_license_disabled gpl libx264
2339 die_license_disabled gpl libxvid
2340 die_license_disabled gpl postproc
2341 die_license_disabled gpl x11grab
2342
2343 die_license_disabled nonfree libfaac
2344
2345 die_license_disabled version3 libopencore_amrnb
2346 die_license_disabled version3 libopencore_amrwb
2347
2348 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2349
2350 check_deps $ARCH_EXT_LIST
2351
2352 disabled optimizations || check_cflags -fomit-frame-pointer
2353
2354 enable_pic() {
2355 enable pic
2356 add_cppflags -DPIC
2357 add_cflags -fPIC
2358 add_asflags -fPIC
2359 }
2360
2361 enabled pic && enable_pic
2362
2363 check_cc <<EOF || die "Symbol mangling check failed."
2364 int ff_extern;
2365 EOF
2366 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2367 extern_prefix=${sym%%ff_extern*}
2368
2369 check_cc <<EOF && enable inline_asm
2370 void foo(void) { __asm__ volatile ("" ::); }
2371 EOF
2372
2373 _restrict=
2374 for restrict_keyword in restrict __restrict__ __restrict; do
2375 check_cc <<EOF && _restrict=$restrict_keyword && break
2376 void foo(char * $restrict_keyword p);
2377 EOF
2378 done
2379
2380 check_cc <<EOF && enable attribute_packed
2381 struct { int x; } __attribute__((packed)) x;
2382 EOF
2383
2384 check_cc <<EOF && enable attribute_may_alias
2385 union { int x; } __attribute__((may_alias)) x;
2386 EOF
2387
2388 check_cc <<EOF || die "endian test failed"
2389 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2390 EOF
2391 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2392
2393 if enabled alpha; then
2394
2395 check_cflags -mieee
2396
2397 elif enabled arm; then
2398
2399 check_cflags -marm
2400
2401 check_ld <<EOF && enable vfp_args
2402 __asm__ (".eabi_attribute 28, 1");
2403 int main(void) { return 0; }
2404 EOF
2405
2406 # We have to check if pld is a nop and disable it.
2407 check_asm pld '"pld [r0]"'
2408
2409 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2410 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2411 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2412 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2413 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2414 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
2415
2416 enabled_all armv6t2 shared !pic && enable_pic
2417
2418 elif enabled mips; then
2419
2420 check_asm loongson '"dmult.g $1, $2, $3"'
2421 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
2422
2423 elif enabled ppc; then
2424
2425 enable local_aligned_8 local_aligned_16
2426
2427 check_asm dcbzl '"dcbzl 0, 1"'
2428 check_asm ppc4xx '"maclhw r10, r11, r12"'
2429 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2430
2431 # AltiVec flags: The FSF version of GCC differs from the Apple version
2432 if enabled altivec; then
2433 check_cflags -maltivec -mabi=altivec &&
2434 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2435 check_cflags -faltivec
2436
2437 # check if our compiler supports Motorola AltiVec C API
2438 check_cc <<EOF || disable altivec
2439 $inc_altivec_h
2440 int main(void) {
2441 vector signed int v1, v2, v3;
2442 v1 = vec_add(v2,v3);
2443 return 0;
2444 }
2445 EOF
2446
2447 # check if our compiler supports braces for vector declarations
2448 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2449 $inc_altivec_h
2450 int main (void) { (vector int) {1}; return 0; }
2451 EOF
2452 fi
2453
2454 elif enabled sparc; then
2455
2456 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2457 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2458
2459 elif enabled x86; then
2460
2461 enable local_aligned_8 local_aligned_16
2462
2463 # check whether EBP is available on x86
2464 # As 'i' is stored on the stack, this program will crash
2465 # if the base pointer is used to access it because the
2466 # base pointer is cleared in the inline assembly code.
2467 check_exec_crash <<EOF && enable ebp_available
2468 volatile int i=0;
2469 __asm__ volatile (
2470 "xorl %%ebp, %%ebp"
2471 ::: "%ebp");
2472 return i;
2473 EOF
2474
2475 # check whether EBX is available on x86
2476 check_asm ebx_available '""::"b"(0)' &&
2477 check_asm ebx_available '"":::"%ebx"'
2478
2479 # check whether more than 10 operands are supported
2480 check_cc <<EOF && enable ten_operands
2481 int main(void) {
2482 int x=0;
2483 __asm__ volatile(
2484 ""
2485 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2486 );
2487 return 0;
2488 }
2489 EOF
2490
2491 # check whether binutils is new enough to compile SSSE3/MMX2
2492 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2493 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
2494
2495 check_asm bswap '"bswap %%eax" ::: "%eax"'
2496
2497 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
2498 enabled x86_64 && append YASMFLAGS "-m amd64"
2499 enabled pic && append YASMFLAGS "-DPIC"
2500 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
2501 case "$objformat" in
2502 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
2503 esac
2504 disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
2505
2506 case "$cpu" in
2507 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2508 disable fast_clz
2509 ;;
2510 esac
2511
2512 fi
2513
2514 if check_func dlopen; then
2515 ldl=
2516 elif check_func dlopen -ldl; then
2517 ldl=-ldl
2518 fi
2519
2520 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2521 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2522
2523 check_func fork
2524 check_func getaddrinfo $network_extralibs
2525 check_func gethrtime
2526 check_func getrusage
2527 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2528 check_func inet_aton $network_extralibs
2529 check_func isatty
2530 check_func ${malloc_prefix}memalign && enable memalign
2531 check_func mkstemp
2532 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
2533 check_func setrlimit
2534 check_func strerror_r
2535 check_func_headers io.h setmode
2536 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2537 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2538 check_func_headers windows.h GetProcessTimes
2539 check_func_headers windows.h VirtualAlloc
2540
2541 check_header conio.h
2542 check_header dlfcn.h
2543 check_header dxva2api.h
2544 check_header malloc.h
2545 check_header poll.h
2546 check_header sys/mman.h
2547 check_header sys/resource.h
2548 check_header sys/select.h
2549 check_header termios.h
2550 check_header vdpau/vdpau.h
2551 check_header vdpau/vdpau_x11.h
2552 check_header X11/extensions/XvMClib.h
2553
2554 check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2555
2556 if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2557 enabled_any $need_memalign ; then
2558 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2559 fi
2560
2561 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
2562 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2563
2564 # check for some common methods of building with pthread support
2565 # do this before the optional library checks as some of them require pthreads
2566 if enabled pthreads; then
2567 if check_func pthread_create; then
2568 :
2569 elif check_func pthread_create -pthread; then
2570 add_cflags -pthread
2571 add_extralibs -pthread
2572 elif check_func pthread_create -pthreads; then
2573 add_cflags -pthreads
2574 add_extralibs -pthreads
2575 elif check_func pthread_create -lpthreadGC2; then
2576 add_extralibs -lpthreadGC2
2577 elif ! check_lib pthread.h pthread_create -lpthread; then
2578 die "ERROR: can't find pthreads library"
2579 fi
2580 fi
2581
2582 for thread in $THREADS_LIST; do
2583 if enabled $thread; then
2584 test -n "$thread_type" &&
2585 die "ERROR: Only one thread type must be selected." ||
2586 thread_type="$thread"
2587 fi
2588 done
2589
2590 check_lib math.h sin -lm
2591 check_lib va/va.h vaInitialize -lva
2592
2593 check_mathfunc exp2
2594 check_mathfunc exp2f
2595 check_mathfunc llrint
2596 check_mathfunc llrintf
2597 check_mathfunc log2
2598 check_mathfunc log2f
2599 check_mathfunc lrint
2600 check_mathfunc lrintf
2601 check_mathfunc round
2602 check_mathfunc roundf
2603 check_mathfunc truncf
2604
2605 # these are off by default, so fail if requested and not available
2606 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2607 enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2608 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2609 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
2610 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2611 enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
2612 enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
2613 enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame -lm
2614 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
2615 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2616 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
2617 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2618 enabled librtmp && require librtmp librtmp/rtmp.h RTMP_Init -lrtmp
2619 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2620 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2621 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2622 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2623 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2624 enabled libvpx && require2 libvpx "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_dec_init_ver" -lvpx
2625 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 -lm &&
2626 { check_cpp_condition x264.h "X264_BUILD >= 90" ||
2627 die "ERROR: libx264 version must be >= 0.90."; }
2628 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2629 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2630
2631 # libdc1394 check
2632 if enabled libdc1394; then
2633 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2634 enable libdc1394_2; } ||
2635 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2636 enable libdc1394_1; } ||
2637 die "ERROR: No version of libdc1394 found "
2638 fi
2639
2640 SDL_CONFIG="${cross_prefix}sdl-config"
2641 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2642 sdl_cflags=$("${SDL_CONFIG}" --cflags)
2643 sdl_libs=$("${SDL_CONFIG}" --libs)
2644 check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2645 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2646 enable sdl &&
2647 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2648 fi
2649
2650 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2651
2652 if enabled network; then
2653 check_type "sys/types.h sys/socket.h" socklen_t
2654 check_type netdb.h "struct addrinfo"
2655 check_type netinet/in.h "struct ipv6_mreq"
2656 check_type netinet/in.h "struct sockaddr_in6"
2657 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2658 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2659 # Prefer arpa/inet.h over winsock2
2660 if check_header arpa/inet.h ; then
2661 check_func closesocket
2662 elif check_header winsock2.h ; then
2663 check_func_headers winsock2.h closesocket -lws2 && \
2664 network_extralibs="-lws2" || \
2665 { check_func_headers winsock2.h closesocket -lws2_32 && \
2666 network_extralibs="-lws2_32"; }
2667 check_type ws2tcpip.h socklen_t
2668 check_type ws2tcpip.h "struct addrinfo"
2669 check_type ws2tcpip.h "struct ipv6_mreq"
2670 check_type ws2tcpip.h "struct sockaddr_in6"
2671 check_type ws2tcpip.h "struct sockaddr_storage"
2672 check_struct winsock2.h "struct sockaddr" sa_len
2673 else
2674 disable network
2675 fi
2676 fi
2677
2678 check_header linux/videodev.h
2679 check_header linux/videodev2.h
2680 check_header sys/videoio.h
2681
2682 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2683
2684 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2685 { check_header dev/bktr/ioctl_meteor.h &&
2686 check_header dev/bktr/ioctl_bt848.h; } ||
2687 { check_header machine/ioctl_meteor.h &&
2688 check_header machine/ioctl_bt848.h; } ||
2689 { check_header dev/video/meteor/ioctl_meteor.h &&
2690 check_header dev/video/bktr/ioctl_bt848.h; } ||
2691 check_header dev/ic/bt8xx.h
2692
2693 check_header sys/soundcard.h
2694 check_header soundcard.h
2695
2696 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2697
2698 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2699
2700 enabled x11grab &&
2701 check_header X11/Xlib.h &&
2702 check_header X11/extensions/XShm.h &&
2703 check_header X11/extensions/Xfixes.h &&
2704 check_func XOpenDisplay -lX11 &&
2705 check_func XShmCreateImage -lX11 -lXext &&
2706 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2707
2708 if ! disabled vdpau && enabled vdpau_vdpau_h; then
2709 check_cpp_condition \
2710 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2711 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2712 disable vdpau; }
2713 fi
2714
2715 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2716
2717 # add some useful compiler flags if supported
2718 check_cflags -Wdeclaration-after-statement
2719 check_cflags -Wall
2720 check_cflags -Wno-switch
2721 check_cflags -Wdisabled-optimization
2722 check_cflags -Wpointer-arith
2723 check_cflags -Wredundant-decls
2724 check_cflags -Wno-pointer-sign
2725 check_cflags -Wcast-qual
2726 check_cflags -Wwrite-strings
2727 check_cflags -Wtype-limits
2728 check_cflags -Wundef
2729 check_cflags -Wmissing-prototypes
2730 enabled extra_warnings && check_cflags -Winline
2731
2732 # add some linker flags
2733 check_ldflags -Wl,--warn-common
2734 check_ldflags -Wl,--as-needed
2735 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'
2736 check_ldflags -Wl,-Bsymbolic
2737
2738 echo "X{};" > $TMPV
2739 test_ldflags -Wl,--version-script,$TMPV &&
2740 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2741
2742 if enabled small; then
2743 add_cflags $size_cflags
2744 optimizations="small"
2745 elif enabled optimizations; then
2746 add_cflags $speed_cflags
2747 else
2748 add_cflags $noopt_cflags
2749 fi
2750 check_cflags -fno-math-errno
2751 check_cflags -fno-signed-zeros
2752
2753 if enabled icc; then
2754 # Just warnings, no remarks
2755 check_cflags -w1
2756 # -wd: Disable following warnings
2757 # 144, 167, 556: -Wno-pointer-sign
2758 # 10006: ignoring unknown option -fno-signed-zeros
2759 # 10156: ignoring option '-W'; no argument required
2760 check_cflags -wd144,167,556,10006,10156
2761 # 11030: Warning unknown option --as-needed
2762 # 10156: ignoring option '-export'; no argument required
2763 check_ldflags -wd10156,11030
2764 # Allow to compile with optimizations
2765 check_ldflags -march=$cpu
2766 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2767 enable ebp_available
2768 elif enabled ccc; then
2769 # disable some annoying warnings
2770 add_cflags -msg_disable cvtu32to64
2771 add_cflags -msg_disable embedcomment
2772 add_cflags -msg_disable needconstext
2773 add_cflags -msg_disable nomainieee
2774 add_cflags -msg_disable ptrmismatch1
2775 add_cflags -msg_disable unreachcode
2776 elif enabled gcc; then
2777 check_cflags -fno-tree-vectorize
2778 check_cflags -Werror=implicit
2779 check_cflags -Werror=missing-prototypes
2780 elif enabled clang; then
2781 check_cflags -Qunused-arguments
2782 elif enabled armcc; then
2783 # 2523: use of inline assembler is deprecated
2784 add_cflags -Wrvct,--diag_suppress=2523
2785 add_cflags -Wrvct,--diag_suppress=1207
2786 elif enabled tms470; then
2787 add_cflags -pds=824 -pds=837
2788 fi
2789
2790 if enabled gprof; then
2791 add_cflags -p
2792 add_ldflags -p
2793 fi
2794
2795 # Find out if the .align argument is a power of two or not.
2796 check_asm asmalign_pot '".align 3"'
2797
2798 enabled_any $THREADS_LIST && enable threads
2799
2800 check_deps $CONFIG_LIST \
2801 $CONFIG_EXTRA \
2802 $HAVE_LIST \
2803 $DECODER_LIST \
2804 $ENCODER_LIST \
2805 $HWACCEL_LIST \
2806 $PARSER_LIST \
2807 $BSF_LIST \
2808 $DEMUXER_LIST \
2809 $MUXER_LIST \
2810 $FILTER_LIST \
2811 $INDEV_LIST \
2812 $OUTDEV_LIST \
2813 $PROTOCOL_LIST \
2814
2815 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
2816
2817 echo "install prefix $prefix"
2818 echo "source path $source_path"
2819 echo "C compiler $cc"
2820 echo ".align is power-of-two $asmalign_pot"
2821 echo "ARCH $arch ($cpu)"
2822 if test "$build_suffix" != ""; then
2823 echo "build suffix $build_suffix"
2824 fi
2825 if test "$extra_version" != ""; then
2826 echo "version string suffix $extra_version"
2827 fi
2828 echo "big-endian ${bigendian-no}"
2829 echo "runtime cpu detection ${runtime_cpudetect-no}"
2830 if enabled x86; then
2831 echo "yasm ${yasm-no}"
2832 echo "MMX enabled ${mmx-no}"
2833 echo "MMX2 enabled ${mmx2-no}"
2834 echo "3DNow! enabled ${amd3dnow-no}"
2835 echo "3DNow! extended enabled ${amd3dnowext-no}"
2836 echo "SSE enabled ${sse-no}"
2837 echo "SSSE3 enabled ${ssse3-no}"
2838 echo "CMOV enabled ${cmov-no}"
2839 echo "CMOV is fast ${fast_cmov-no}"
2840 echo "EBX available ${ebx_available-no}"
2841 echo "EBP available ${ebp_available-no}"
2842 echo "10 operands supported ${ten_operands-no}"
2843 fi
2844 if enabled arm; then
2845 echo "ARMv5TE enabled ${armv5te-no}"
2846 echo "ARMv6 enabled ${armv6-no}"
2847 echo "ARMv6T2 enabled ${armv6t2-no}"
2848 echo "ARM VFP enabled ${armvfp-no}"
2849 echo "IWMMXT enabled ${iwmmxt-no}"
2850 echo "NEON enabled ${neon-no}"
2851 fi
2852 if enabled mips; then
2853 echo "MMI enabled ${mmi-no}"
2854 fi
2855 if enabled ppc; then
2856 echo "AltiVec enabled ${altivec-no}"
2857 echo "PPC 4xx optimizations ${ppc4xx-no}"
2858 echo "dcbzl available ${dcbzl-no}"
2859 echo "performance report ${powerpc_perf-no}"
2860 fi
2861 if enabled sparc; then
2862 echo "VIS enabled ${vis-no}"
2863 fi
2864 echo "gprof enabled ${gprof-no}"
2865 echo "debug symbols ${debug-no}"
2866 echo "strip symbols ${stripping-no}"
2867 echo "optimizations ${optimizations-no}"
2868 echo "static ${static-no}"
2869 echo "shared ${shared-no}"
2870 echo "postprocessing support ${postproc-no}"
2871 echo "new filter support ${avfilter-no}"
2872 echo "filters using lavformat ${avfilter_lavf-no}"
2873 echo "network support ${network-no}"
2874 echo "threading support ${thread_type-no}"
2875 echo "SDL support ${sdl-no}"
2876 echo "Sun medialib support ${mlib-no}"
2877 echo "AVISynth enabled ${avisynth-no}"
2878 echo "libdc1394 support ${libdc1394-no}"
2879 echo "libdirac enabled ${libdirac-no}"
2880 echo "libfaac enabled ${libfaac-no}"
2881 echo "libfaad enabled ${libfaad-no}"
2882 echo "libfaad dlopened ${libfaadbin-no}"
2883 echo "libgsm enabled ${libgsm-no}"
2884 echo "libmp3lame enabled ${libmp3lame-no}"
2885 echo "libnut enabled ${libnut-no}"
2886 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2887 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
2888 echo "libopenjpeg enabled ${libopenjpeg-no}"
2889 echo "librtmp enabled ${librtmp-no}"
2890 echo "libschroedinger enabled ${libschroedinger-no}"
2891 echo "libspeex enabled ${libspeex-no}"
2892 echo "libtheora enabled ${libtheora-no}"
2893 echo "libvorbis enabled ${libvorbis-no}"
2894 echo "libvpx enabled ${libvpx-no}"
2895 echo "libx264 enabled ${libx264-no}"
2896 echo "libxvid enabled ${libxvid-no}"
2897 echo "zlib enabled ${zlib-no}"
2898 echo "bzlib enabled ${bzlib-no}"
2899 echo
2900
2901 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
2902 echo "Enabled ${type}s:"
2903 eval list=\$$(toupper $type)_LIST
2904 for part in $list; do
2905 enabled $part && echo ${part%_*}
2906 done | sort | pr -3 -t
2907 echo
2908 done
2909
2910 license="LGPL version 2.1 or later"
2911 if enabled nonfree; then
2912 license="nonfree and unredistributable"
2913 elif enabled gplv3; then
2914 license="GPL version 3 or later"
2915 elif enabled lgplv3; then
2916 license="LGPL version 3 or later"
2917 elif enabled gpl; then
2918 license="GPL version 2 or later"
2919 fi
2920
2921 echo "License: $license"
2922
2923 echo "Creating config.mak and config.h..."
2924
2925 # build tree in object directory if source path is different from current one
2926 if enabled source_path_used; then
2927 DIRS="
2928 doc
2929 libavcodec
2930 libavcodec/$arch
2931 libavdevice
2932 libavfilter
2933 libavformat
2934 libavutil
2935 libavutil/$arch
2936 libpostproc
2937 libswscale
2938 libswscale/$arch
2939 tests
2940 tools
2941 "
2942 FILES="
2943 Makefile
2944 common.mak
2945 subdir.mak
2946 doc/texi2pod.pl
2947 libavcodec/Makefile
2948 libavcodec/${arch}/Makefile
2949 libavdevice/Makefile
2950 libavfilter/Makefile
2951 libavformat/Makefile
2952 libavutil/Makefile
2953 libpostproc/Makefile
2954 libswscale/Makefile
2955 "
2956 map 'mkdir -p $v' $DIRS;
2957 map 'test -f "$source_path/$v" && $ln_s "$source_path/$v" $v' $FILES
2958 fi
2959
2960 enabled stripping || strip="echo skipping strip"
2961
2962 cat > config.mak <<EOF
2963 # Automatically generated by configure - do not modify!
2964 ifndef FFMPEG_CONFIG_MAK
2965 FFMPEG_CONFIG_MAK=1
2966 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
2967 prefix=$prefix
2968 LIBDIR=\$(DESTDIR)$libdir
2969 SHLIBDIR=\$(DESTDIR)$shlibdir
2970 INCDIR=\$(DESTDIR)$incdir
2971 BINDIR=\$(DESTDIR)$bindir
2972 DATADIR=\$(DESTDIR)$datadir
2973 MANDIR=\$(DESTDIR)$mandir
2974 SRC_PATH="$source_path"
2975 SRC_PATH_BARE=$source_path
2976 BUILD_ROOT="$PWD"
2977 ARCH=$arch
2978 CC=$cc
2979 AS=$as
2980 LD=$ld
2981 DEPCC=$dep_cc
2982 YASM=$yasmexe
2983 YASMDEP=$yasmexe
2984 AR=$ar
2985 RANLIB=$ranlib
2986 CP=cp -p
2987 LN_S=$ln_s
2988 STRIP=$strip
2989 CPPFLAGS=$CPPFLAGS
2990 CFLAGS=$CFLAGS
2991 ASFLAGS=$ASFLAGS
2992 CC_O=$CC_O
2993 LDFLAGS=$LDFLAGS
2994 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
2995 SHFLAGS=$SHFLAGS
2996 YASMFLAGS=$YASMFLAGS
2997 BUILDSUF=$build_suffix
2998 FULLNAME=$FULLNAME
2999 LIBPREF=$LIBPREF
3000 LIBSUF=$LIBSUF
3001 LIBNAME=$LIBNAME
3002 SLIBPREF=$SLIBPREF
3003 SLIBSUF=$SLIBSUF
3004 EXESUF=$EXESUF
3005 EXTRA_VERSION=$extra_version
3006 DEPFLAGS=$DEPFLAGS
3007 CCDEP=$CCDEP
3008 ASDEP=$ASDEP
3009 CC_DEPFLAGS=$CC_DEPFLAGS
3010 AS_DEPFLAGS=$AS_DEPFLAGS
3011 HOSTCC=$host_cc
3012 HOSTCFLAGS=$host_cflags
3013 HOSTEXESUF=$HOSTEXESUF
3014 HOSTLDFLAGS=$host_ldflags
3015 HOSTLIBS=$host_libs
3016 TARGET_EXEC=$target_exec
3017 TARGET_PATH=$target_path
3018 SDL_LIBS=$sdl_libs
3019 SDL_CFLAGS=$sdl_cflags
3020 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3021 EXTRALIBS=$extralibs
3022 INSTALL=install
3023 LIBTARGET=${LIBTARGET}
3024 SLIBNAME=${SLIBNAME}
3025 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3026 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3027 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3028 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3029 SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
3030 SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
3031 SAMPLES=$samples
3032 EOF
3033
3034 get_version(){
3035 name=$1
3036 file=$source_path/$2
3037 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3038 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3039 lcname=$(tolower $name)
3040 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3041 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3042 }
3043
3044 get_version LIBSWSCALE libswscale/swscale.h
3045 get_version LIBPOSTPROC libpostproc/postprocess.h
3046 get_version LIBAVCODEC libavcodec/avcodec.h
3047 get_version LIBAVDEVICE libavdevice/avdevice.h
3048 get_version LIBAVFORMAT libavformat/avformat.h
3049 get_version LIBAVUTIL libavutil/avutil.h
3050 get_version LIBAVFILTER libavfilter/avfilter.h
3051
3052 enabled asmalign_pot || align_shift="1 <<"
3053
3054 cat > $TMPH <<EOF
3055 /* Automatically generated by configure - do not modify! */
3056 #ifndef FFMPEG_CONFIG_H
3057 #define FFMPEG_CONFIG_H
3058 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3059 #define FFMPEG_LICENSE "$(c_escape $license)"
3060 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3061 #define CC_TYPE "$cc_type"
3062 #define CC_VERSION $cc_version
3063 #define restrict $_restrict
3064 #define ASMALIGN(ZEROBITS) ".align $align_shift " #ZEROBITS "\\n\\t"
3065 #define EXTERN_PREFIX "${extern_prefix}"
3066 #define EXTERN_ASM ${extern_prefix}
3067 EOF
3068
3069 test -n "$malloc_prefix" &&
3070 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3071
3072 if enabled small || disabled optimizations; then
3073 echo "#undef av_always_inline" >> $TMPH
3074 echo "#define av_always_inline" >> $TMPH
3075 fi
3076
3077 print_config ARCH_ $TMPH config.mak $ARCH_LIST
3078 print_config HAVE_ $TMPH config.mak $HAVE_LIST
3079 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
3080 $CONFIG_EXTRA \
3081 $DECODER_LIST \
3082 $ENCODER_LIST \
3083 $HWACCEL_LIST \
3084 $PARSER_LIST \
3085 $BSF_LIST \
3086 $DEMUXER_LIST \
3087 $MUXER_LIST \
3088 $FILTER_LIST \
3089 $PROTOCOL_LIST \
3090 $INDEV_LIST \
3091 $OUTDEV_LIST \
3092
3093 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3094 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3095
3096 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3097 cp_if_changed $TMPH config.h
3098
3099 cat > $TMPH <<EOF
3100 /* Generated by ffconf */
3101 #ifndef AVUTIL_AVCONFIG_H
3102 #define AVUTIL_AVCONFIG_H
3103 EOF
3104
3105 print_config AV_HAVE_ $TMPH /dev/null $HAVE_LIST_PUB
3106
3107 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3108
3109 cp_if_changed $TMPH libavutil/avconfig.h
3110
3111 # build pkg-config files
3112
3113 pkgconfig_generate(){
3114 name=$1
3115 shortname=${name#lib}${build_suffix}
3116 comment=$2
3117 version=$3
3118 libs=$4
3119 requires=$5
3120 cat <<EOF > $name/$name.pc
3121 prefix=$prefix
3122 exec_prefix=\${prefix}
3123 libdir=$libdir
3124 includedir=$incdir
3125
3126 Name: $name
3127 Description: $comment
3128 Version: $version
3129 Requires: $(enabled shared || echo $requires)
3130 Requires.private: $(enabled shared && echo $requires)
3131 Conflicts:
3132 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3133 Libs.private: $(enabled shared && echo $libs)
3134 Cflags: -I\${includedir}
3135 EOF
3136 cat <<EOF > $name/$name-uninstalled.pc
3137 prefix=
3138 exec_prefix=
3139 libdir=\${pcfiledir}
3140 includedir=${source_path}
3141
3142 Name: $name
3143 Description: $comment
3144 Version: $version
3145 Requires: $requires
3146 Conflicts:
3147 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3148 Cflags: -I\${includedir}
3149 EOF
3150 }
3151
3152 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
3153 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3154 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3155 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3156 enabled avfilter &&
3157 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3158 enabled postproc &&
3159 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
3160 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"