e6706b971634da464b7f364cc8edf488052a691d
[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 --enable-avfilter 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-libschroedinger enable Dirac support via libschroedinger [no]
181 --enable-libspeex enable Speex decoding via libspeex [no]
182 --enable-libtheora enable Theora encoding via libtheora [no]
183 --enable-libvorbis enable Vorbis encoding via libvorbis,
184 native implementation exists [no]
185 --enable-libx264 enable H.264 encoding via x264 [no]
186 --enable-libxvid enable Xvid encoding via xvidcore,
187 native MPEG-4/Xvid encoder exists [no]
188 --enable-mlib enable Sun medialib [no]
189 --enable-zlib enable zlib [autodetect]
190
191 Advanced options (experts only):
192 --source-path=PATH path to source code [$source_path]
193 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
194 --enable-cross-compile assume a cross-compiler is used
195 --sysroot=PATH root of cross-build tree
196 --sysinclude=PATH location of cross-build system headers
197 --target-os=OS compiler targets OS [$target_os]
198 --target-exec=CMD command to run executables on target
199 --target-path=DIR path to view of build directory on target
200 --nm=NM use nm tool
201 --as=AS use assembler AS [$as_default]
202 --cc=CC use C compiler CC [$cc_default]
203 --ld=LD use linker LD
204 --host-cc=HOSTCC use host C compiler HOSTCC
205 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
206 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
207 --host-libs=HLIBS use libs HLIBS when linking for host
208 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
209 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
210 --extra-libs=ELIBS add ELIBS [$ELIBS]
211 --extra-version=STRING version string suffix []
212 --build-suffix=SUFFIX library name suffix []
213 --arch=ARCH select architecture [$arch]
214 --cpu=CPU select the minimum required CPU (affects
215 instruction selection, may crash on older CPUs)
216 --enable-powerpc-perf enable performance report on PPC
217 (requires enabling PMC)
218 --disable-asm disable all assembler optimizations
219 --disable-altivec disable AltiVec optimizations
220 --disable-amd3dnow disable 3DNow! optimizations
221 --disable-amd3dnowext disable 3DNow! extended optimizations
222 --disable-mmx disable MMX optimizations
223 --disable-mmx2 disable MMX2 optimizations
224 --disable-sse disable SSE optimizations
225 --disable-ssse3 disable SSSE3 optimizations
226 --disable-armv5te disable armv5te optimizations
227 --disable-armv6 disable armv6 optimizations
228 --disable-armv6t2 disable armv6t2 optimizations
229 --disable-armvfp disable ARM VFP optimizations
230 --disable-iwmmxt disable iwmmxt optimizations
231 --disable-mmi disable MMI optimizations
232 --disable-neon disable neon optimizations
233 --disable-vis disable VIS optimizations
234 --disable-yasm disable use of yasm assembler
235 --enable-pic build position-independent code
236 --malloc-prefix=PFX prefix malloc and related names with PFX
237 --enable-sram allow use of on-chip SRAM
238
239 Developer options (useful when working on FFmpeg itself):
240 --disable-debug disable debugging symbols
241 --enable-debug=LEVEL set the debug level [$debuglevel]
242 --enable-gprof enable profiling with gprof [$gprof]
243 --disable-optimizations disable compiler optimizations
244 --enable-extra-warnings enable more compiler warnings
245 --disable-stripping disable stripping of executables and shared libraries
246 --samples=PATH location of test samples for FATE
247
248 NOTE: Object files are built at the place where configure is launched.
249 EOF
250 exit 0
251 }
252
253 log(){
254 echo "$@" >> $logfile
255 }
256
257 log_file(){
258 log BEGIN $1
259 pr -n -t $1 >> $logfile
260 log END $1
261 }
262
263 echolog(){
264 log "$@"
265 echo "$@"
266 }
267
268 die(){
269 echolog "$@"
270 cat <<EOF
271
272 If you think configure made a mistake, make sure you are using the latest
273 version from SVN. If the latest version fails, report the problem to the
274 ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
275 EOF
276 if disabled logging; then
277 cat <<EOF
278 Rerun configure with logging enabled (do not use --disable-logging), and
279 include the log this produces with your report.
280 EOF
281 else
282 cat <<EOF
283 Include the log file "$logfile" produced by configure as this will help
284 solving the problem.
285 EOF
286 fi
287 exit 1
288 }
289
290 # Avoid locale weirdness, besides we really just want to translate ASCII.
291 toupper(){
292 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
293 }
294
295 tolower(){
296 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
297 }
298
299 c_escape(){
300 echo "$*" | sed 's/["\\]/\\\0/g'
301 }
302
303 sh_quote(){
304 v=$(echo "$1" | sed "s/'/'\\\\''/g")
305 test "$v" = "${v#*[ |&;<>()$\`\\\"\'*?\[\]#~=%]}" || v="'$v'"
306 echo "$v"
307 }
308
309 filter(){
310 pat=$1
311 shift
312 for v; do
313 eval "case $v in $pat) echo $v ;; esac"
314 done
315 }
316
317 map(){
318 m=$1
319 shift
320 for v; do eval $m; done
321 }
322
323 set_all(){
324 value=$1
325 shift
326 for var in $*; do
327 eval $var=$value
328 done
329 }
330
331 set_weak(){
332 value=$1
333 shift
334 for var; do
335 eval : \${$var:=$value}
336 done
337 }
338
339 pushvar(){
340 for var in $*; do
341 eval level=\${${var}_level:=0}
342 eval ${var}_${level}="\$$var"
343 eval ${var}_level=$(($level+1))
344 done
345 }
346
347 popvar(){
348 for var in $*; do
349 eval level=\${${var}_level:-0}
350 test $level = 0 && continue
351 eval level=$(($level-1))
352 eval $var="\${${var}_${level}}"
353 eval ${var}_level=$level
354 eval unset ${var}_${level}
355 done
356 }
357
358 enable(){
359 set_all yes $*
360 }
361
362 disable(){
363 set_all no $*
364 }
365
366 enable_weak(){
367 set_weak yes $*
368 }
369
370 disable_weak(){
371 set_weak no $*
372 }
373
374 enable_safe(){
375 for var; do
376 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
377 done
378 }
379
380 disable_safe(){
381 for var; do
382 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
383 done
384 }
385
386 do_enable_deep(){
387 for var; do
388 enabled $var && continue
389 eval sel="\$${var}_select"
390 eval sgs="\$${var}_suggest"
391 pushvar var sgs
392 enable_deep $sel
393 popvar sgs
394 enable_deep_weak $sgs
395 popvar var
396 done
397 }
398
399 enable_deep(){
400 do_enable_deep $*
401 enable $*
402 }
403
404 enable_deep_weak(){
405 do_enable_deep $*
406 enable_weak $*
407 }
408
409 enabled(){
410 test "${1#!}" = "$1" && op== || op=!=
411 eval test "x\$${1#!}" $op "xyes"
412 }
413
414 disabled(){
415 test "${1#!}" = "$1" && op== || op=!=
416 eval test "x\$${1#!}" $op "xno"
417 }
418
419 enabled_all(){
420 for opt; do
421 enabled $opt || return 1
422 done
423 }
424
425 disabled_all(){
426 for opt; do
427 disabled $opt || return 1
428 done
429 }
430
431 enabled_any(){
432 for opt; do
433 enabled $opt && return 0
434 done
435 }
436
437 disabled_any(){
438 for opt; do
439 disabled $opt && return 0
440 done
441 return 1
442 }
443
444 set_default(){
445 for opt; do
446 eval : \${$opt:=\$${opt}_default}
447 done
448 }
449
450 is_in(){
451 value=$1
452 shift
453 for var in $*; do
454 [ $var = $value ] && return 0
455 done
456 return 1
457 }
458
459 check_deps(){
460 for cfg; do
461 cfg="${cfg#!}"
462 enabled ${cfg}_checking && die "Circular dependency for $cfg."
463 disabled ${cfg}_checking && continue
464 enable ${cfg}_checking
465
466 eval dep_all="\$${cfg}_deps"
467 eval dep_any="\$${cfg}_deps_any"
468 eval dep_sel="\$${cfg}_select"
469 eval dep_sgs="\$${cfg}_suggest"
470 eval dep_ifa="\$${cfg}_if"
471 eval dep_ifn="\$${cfg}_if_any"
472
473 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
474 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
475 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
476
477 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
478 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
479 enabled_all $dep_all || disable $cfg
480 enabled_any $dep_any || disable $cfg
481 disabled_any $dep_sel && disable $cfg
482
483 if enabled $cfg; then
484 eval dep_extralibs="\$${cfg}_extralibs"
485 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
486 enable_deep $dep_sel
487 enable_deep_weak $dep_sgs
488 fi
489
490 disable ${cfg}_checking
491 done
492 }
493
494 print_config(){
495 pfx=$1
496 header=$2
497 makefile=$3
498 shift 3
499 for cfg; do
500 ucname="$(toupper $cfg)"
501 if enabled $cfg; then
502 echo "#define ${pfx}${ucname} 1" >> $header
503 echo "${pfx}${ucname}=yes" >> $makefile
504 else
505 echo "#define ${pfx}${ucname} 0" >> $header
506 echo "!${pfx}${ucname}=yes" >> $makefile
507 fi
508 done
509 }
510
511 flags_saved(){
512 (: ${SAVE_CFLAGS?}) 2> /dev/null
513 }
514
515 save_flags(){
516 flags_saved && return
517 SAVE_CFLAGS="$CFLAGS"
518 SAVE_LDFLAGS="$LDFLAGS"
519 SAVE_extralibs="$extralibs"
520 }
521
522 restore_flags(){
523 flags_saved || return
524 CFLAGS="$SAVE_CFLAGS"
525 LDFLAGS="$SAVE_LDFLAGS"
526 extralibs="$SAVE_extralibs"
527 unset SAVE_CFLAGS
528 unset SAVE_LDFLAGS
529 unset SAVE_extralibs
530 }
531
532 temp_cflags(){
533 save_flags
534 CFLAGS="$CFLAGS $*"
535 }
536
537 temp_ldflags(){
538 save_flags
539 LDFLAGS="$LDFLAGS $*"
540 }
541
542 temp_extralibs(){
543 save_flags
544 extralibs="$extralibs $*"
545 }
546
547 append(){
548 var=$1
549 shift
550 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
551 eval "$var=\"\$$var $*\""
552 }
553
554 add_cppflags(){
555 append CPPFLAGS $($filter_cppflags "$@")
556 }
557
558 add_cflags(){
559 append CFLAGS $($filter_cflags "$@")
560 }
561
562 add_asflags(){
563 append ASFLAGS $($filter_asflags "$@")
564 }
565
566 add_ldflags(){
567 append LDFLAGS "$@"
568 }
569
570 add_extralibs(){
571 append extralibs "$@"
572 }
573
574 check_cmd(){
575 log "$@"
576 "$@" >> $logfile 2>&1
577 }
578
579 check_cc(){
580 log check_cc "$@"
581 cat > $TMPC
582 log_file $TMPC
583 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
584 }
585
586 check_cpp(){
587 log check_cpp "$@"
588 cat > $TMPC
589 log_file $TMPC
590 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
591 }
592
593 check_as(){
594 log check_as "$@"
595 cat > $TMPC
596 log_file $TMPC
597 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
598 }
599
600 check_asm(){
601 log check_asm "$@"
602 name="$1"
603 code="$2"
604 shift 2
605 disable $name
606 check_as "$@" <<EOF && enable $name
607 void foo(void){ __asm__ volatile($code); }
608 EOF
609 }
610
611 check_yasm(){
612 log check_yasm "$@"
613 echo "$1" > $TMPS
614 log_file $TMPS
615 shift 1
616 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
617 }
618
619 check_ld(){
620 log check_ld "$@"
621 flags=''
622 libs=''
623 for f; do
624 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
625 done
626 check_cc $($filter_cflags $flags) || return
627 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
628 }
629
630 check_cppflags(){
631 log check_cppflags "$@"
632 set -- $($filter_cppflags "$@")
633 check_cc "$@" <<EOF && append CPPFLAGS "$@"
634 int x;
635 EOF
636 }
637
638 check_cflags(){
639 log check_cflags "$@"
640 set -- $($filter_cflags "$@")
641 check_cc "$@" <<EOF && append CFLAGS "$@"
642 int x;
643 EOF
644 }
645
646 test_ldflags(){
647 log test_ldflags "$@"
648 check_ld "$@" <<EOF
649 int main(void){ return 0; }
650 EOF
651 }
652
653 check_ldflags(){
654 log check_ldflags "$@"
655 test_ldflags "$@" && add_ldflags "$@"
656 }
657
658 check_header(){
659 log check_header "$@"
660 header=$1
661 shift
662 disable_safe $header
663 check_cpp "$@" <<EOF && enable_safe $header
664 #include <$header>
665 int x;
666 EOF
667 }
668
669 check_func(){
670 log check_func "$@"
671 func=$1
672 shift
673 disable $func
674 check_ld "$@" <<EOF && enable $func
675 extern int $func();
676 int main(void){ $func(); }
677 EOF
678 }
679
680 check_mathfunc(){
681 log check_mathfunc "$@"
682 func=$1
683 shift
684 disable $func
685 check_ld "$@" <<EOF && enable $func
686 #include <math.h>
687 float foo(float f) { return $func(f); }
688 int main(void){ return 0; }
689 EOF
690 }
691
692 check_func_headers(){
693 log check_func_headers "$@"
694 headers=$1
695 func=$2
696 shift 2
697 disable $func
698 incs=""
699 for hdr in $headers; do
700 incs="$incs
701 #include <$hdr>"
702 done
703 check_ld "$@" <<EOF && enable $func && enable_safe $headers
704 $incs
705 int main(int argc, char **argv){
706 return (long) $func;
707 }
708 EOF
709 }
710
711 check_cpp_condition(){
712 log check_cpp_condition "$@"
713 header=$1
714 condition=$2
715 shift 2
716 check_cpp $($filter_cppflags "$@") <<EOF
717 #include <$header>
718 #if !($condition)
719 #error "unsatisfied condition: $condition"
720 #endif
721 EOF
722 }
723
724 check_lib(){
725 log check_lib "$@"
726 header="$1"
727 func="$2"
728 shift 2
729 temp_extralibs "$@"
730 check_header $header && check_func $func && add_extralibs "$@"
731 err=$?
732 restore_flags
733 return $err
734 }
735
736 check_lib2(){
737 log check_lib2 "$@"
738 headers="$1"
739 func="$2"
740 shift 2
741 check_func_headers "$headers" $func "$@" && add_extralibs "$@"
742 }
743
744 check_exec(){
745 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
746 }
747
748 check_exec_crash(){
749 code=$(cat)
750
751 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
752 # are safe but may not be available everywhere. Thus we use
753 # raise(SIGTERM) instead. The check is run in a subshell so we
754 # can redirect the "Terminated" message from the shell. SIGBUS
755 # is not defined by standard C so it is used conditionally.
756
757 (check_exec "$@") >> $logfile 2>&1 <<EOF
758 #include <signal.h>
759 static void sighandler(int sig){
760 raise(SIGTERM);
761 }
762 int main(void){
763 signal(SIGILL, sighandler);
764 signal(SIGFPE, sighandler);
765 signal(SIGSEGV, sighandler);
766 #ifdef SIGBUS
767 signal(SIGBUS, sighandler);
768 #endif
769 { $code }
770 }
771 EOF
772 }
773
774 check_type(){
775 log check_type "$@"
776 headers=$1
777 type=$2
778 shift 2
779 disable_safe "$type"
780 incs=""
781 for hdr in $headers; do
782 incs="$incs
783 #include <$hdr>"
784 done
785 check_cc "$@" <<EOF && enable_safe "$type"
786 $incs
787 $type v;
788 EOF
789 }
790
791 check_struct(){
792 log check_type "$@"
793 headers=$1
794 struct=$2
795 member=$3
796 shift 3
797 disable_safe "${struct}_${member}"
798 incs=""
799 for hdr in $headers; do
800 incs="$incs
801 #include <$hdr>"
802 done
803 check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
804 $incs
805 const void *p = &(($struct *)0)->$member;
806 EOF
807 }
808
809 require(){
810 name="$1"
811 header="$2"
812 func="$3"
813 shift 3
814 check_lib $header $func "$@" || die "ERROR: $name not found"
815 }
816
817 require2(){
818 name="$1"
819 headers="$2"
820 func="$3"
821 shift 3
822 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
823 }
824
825 check_foo_config(){
826 cfg=$1
827 pkg=$2
828 header=$3
829 func=$4
830 shift 4
831 disable $cfg
832 check_cmd ${pkg}-config --version
833 err=$?
834 if test "$err" = 0; then
835 temp_cflags $(${pkg}-config --cflags)
836 temp_extralibs $(${pkg}-config --libs)
837 check_lib "$@" $header $func && enable $cfg
838 fi
839 return $err
840 }
841
842 check_host_cc(){
843 log check_host_cc "$@"
844 cat > $TMPC
845 log_file $TMPC
846 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
847 }
848
849 check_host_cflags(){
850 log check_host_cflags "$@"
851 check_host_cc "$@" <<EOF && append host_cflags "$@"
852 int x;
853 EOF
854 }
855
856 apply(){
857 file=$1
858 shift
859 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
860 }
861
862 cp_if_changed(){
863 cmp -s "$1" "$2" &&
864 echo "$2 is unchanged" ||
865 cp -f "$1" "$2"
866 }
867
868 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
869 # system-dependent things.
870
871 COMPONENT_LIST="
872 bsfs
873 decoders
874 demuxers
875 encoders
876 filters
877 hwaccels
878 indevs
879 muxers
880 outdevs
881 parsers
882 protocols
883 "
884
885 CONFIG_LIST="
886 $COMPONENT_LIST
887 aandct
888 avcodec
889 avdevice
890 avfilter
891 avfilter_lavf
892 avformat
893 avisynth
894 beos_netserver
895 bzlib
896 dct
897 doc
898 dwt
899 dxva2
900 fastdiv
901 ffmpeg
902 ffplay
903 ffprobe
904 ffserver
905 fft
906 golomb
907 gpl
908 gprof
909 gray
910 h264dsp
911 hardcoded_tables
912 libdc1394
913 libdirac
914 libfaac
915 libfaad
916 libfaadbin
917 libgsm
918 libmp3lame
919 libnut
920 libopencore_amrnb
921 libopencore_amrwb
922 libopenjpeg
923 libschroedinger
924 libspeex
925 libtheora
926 libvorbis
927 libx264
928 libxvid
929 lpc
930 lsp
931 mdct
932 memalign_hack
933 mlib
934 mpegaudio_hp
935 network
936 nonfree
937 pic
938 postproc
939 powerpc_perf
940 rdft
941 runtime_cpudetect
942 shared
943 small
944 sram
945 static
946 swscale
947 swscale_alpha
948 vaapi
949 vdpau
950 version3
951 x11grab
952 zlib
953 "
954
955 THREADS_LIST='
956 beosthreads
957 os2threads
958 pthreads
959 w32threads
960 '
961
962 ARCH_LIST='
963 alpha
964 arm
965 avr32
966 avr32_ap
967 avr32_uc
968 bfin
969 ia64
970 m68k
971 mips
972 mips64
973 parisc
974 ppc
975 ppc64
976 s390
977 sh4
978 sparc
979 sparc64
980 tomi
981 x86
982 x86_32
983 x86_64
984 '
985
986 ARCH_EXT_LIST='
987 altivec
988 amd3dnow
989 amd3dnowext
990 armv5te
991 armv6
992 armv6t2
993 armvfp
994 iwmmxt
995 mmi
996 mmx
997 mmx2
998 neon
999 ppc4xx
1000 sse
1001 ssse3
1002 vis
1003 '
1004
1005 HAVE_LIST_PUB='
1006 bigendian
1007 '
1008
1009 HAVE_LIST="
1010 $ARCH_EXT_LIST
1011 $HAVE_LIST_PUB
1012 $THREADS_LIST
1013 alsa_asoundlib_h
1014 altivec_h
1015 arpa_inet_h
1016 attribute_may_alias
1017 attribute_packed
1018 bswap
1019 closesocket
1020 cmov
1021 conio_h
1022 dcbzl
1023 dev_bktr_ioctl_bt848_h
1024 dev_bktr_ioctl_meteor_h
1025 dev_ic_bt8xx_h
1026 dev_video_meteor_ioctl_meteor_h
1027 dev_video_bktr_ioctl_bt848_h
1028 dlfcn_h
1029 dlopen
1030 dos_paths
1031 ebp_available
1032 ebx_available
1033 exp2
1034 exp2f
1035 fast_64bit
1036 fast_clz
1037 fast_cmov
1038 fast_unaligned
1039 fork
1040 getaddrinfo
1041 gethrtime
1042 GetProcessMemoryInfo
1043 GetProcessTimes
1044 getrusage
1045 struct_rusage_ru_maxrss
1046 inet_aton
1047 inline_asm
1048 isatty
1049 ldbrx
1050 libdc1394_1
1051 libdc1394_2
1052 llrint
1053 local_aligned_16
1054 local_aligned_8
1055 log2
1056 log2f
1057 loongson
1058 lrint
1059 lrintf
1060 lzo1x_999_compress
1061 machine_ioctl_bt848_h
1062 machine_ioctl_meteor_h
1063 malloc_h
1064 memalign
1065 mkstemp
1066 pld
1067 posix_memalign
1068 round
1069 roundf
1070 sdl
1071 sdl_video_size
1072 setmode
1073 socklen_t
1074 soundcard_h
1075 poll_h
1076 setrlimit
1077 strerror_r
1078 struct_addrinfo
1079 struct_ipv6_mreq
1080 struct_sockaddr_in6
1081 struct_sockaddr_sa_len
1082 struct_sockaddr_storage
1083 sys_mman_h
1084 sys_resource_h
1085 sys_select_h
1086 sys_soundcard_h
1087 sys_videoio_h
1088 ten_operands
1089 termios_h
1090 threads
1091 truncf
1092 vfp_args
1093 VirtualAlloc
1094 winsock2_h
1095 xform_asm
1096 yasm
1097 "
1098
1099 # options emitted with CONFIG_ prefix but not available on command line
1100 CONFIG_EXTRA="
1101 avutil
1102 gplv3
1103 lgplv3
1104 "
1105
1106 CMDLINE_SELECT="
1107 $ARCH_EXT_LIST
1108 $CONFIG_LIST
1109 $THREADS_LIST
1110 asm
1111 cross_compile
1112 debug
1113 extra_warnings
1114 logging
1115 optimizations
1116 stripping
1117 yasm
1118 "
1119
1120 PATHS_LIST='
1121 bindir
1122 datadir
1123 incdir
1124 libdir
1125 mandir
1126 prefix
1127 shlibdir
1128 '
1129
1130 CMDLINE_SET="
1131 $PATHS_LIST
1132 arch
1133 as
1134 build_suffix
1135 cc
1136 cpu
1137 cross_prefix
1138 dep_cc
1139 extra_version
1140 host_cc
1141 host_cflags
1142 host_ldflags
1143 host_libs
1144 host_os
1145 ld
1146 logfile
1147 malloc_prefix
1148 nm
1149 samples
1150 source_path
1151 strip
1152 sysinclude
1153 sysroot
1154 target_exec
1155 target_os
1156 target_path
1157 "
1158
1159 CMDLINE_APPEND="
1160 extra_cflags
1161 "
1162
1163 # code dependency declarations
1164
1165 # architecture extensions
1166
1167 armv5te_deps="arm"
1168 armv6_deps="arm"
1169 armv6t2_deps="arm"
1170 armvfp_deps="arm"
1171 iwmmxt_deps="arm"
1172 neon_deps="arm"
1173
1174 mmi_deps="mips"
1175
1176 altivec_deps="ppc"
1177 ppc4xx_deps="ppc"
1178
1179 vis_deps="sparc"
1180
1181 x86_64_suggest="cmov fast_cmov"
1182 amd3dnow_deps="mmx"
1183 amd3dnowext_deps="amd3dnow"
1184 mmx_deps="x86"
1185 mmx2_deps="mmx"
1186 sse_deps="mmx"
1187 ssse3_deps="sse"
1188
1189 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1190 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1191 fast_unaligned_if_any="armv6 ppc x86"
1192
1193 need_memalign="altivec neon sse"
1194 inline_asm_deps="!tms470"
1195
1196 # subsystems
1197 mdct_select="fft"
1198 rdft_select="fft"
1199
1200 # decoders / encoders / hardware accelerators
1201 aac_decoder_select="mdct rdft aac_parser"
1202 aac_encoder_select="mdct"
1203 ac3_decoder_select="mdct ac3_parser"
1204 alac_encoder_select="lpc"
1205 amrnb_decoder_select="lsp"
1206 atrac1_decoder_select="mdct"
1207 atrac3_decoder_select="mdct"
1208 binkaudio_dct_decoder_select="mdct rdft dct"
1209 binkaudio_rdft_decoder_select="mdct rdft"
1210 cavs_decoder_select="golomb"
1211 cook_decoder_select="mdct"
1212 cscd_decoder_suggest="zlib"
1213 dca_decoder_select="mdct"
1214 dnxhd_encoder_select="aandct"
1215 dxa_decoder_select="zlib"
1216 eac3_decoder_select="ac3_decoder"
1217 eamad_decoder_select="aandct"
1218 eatgq_decoder_select="aandct"
1219 eatqi_decoder_select="aandct"
1220 ffv1_decoder_select="golomb"
1221 flac_decoder_select="golomb"
1222 flac_encoder_select="golomb lpc"
1223 flashsv_decoder_select="zlib"
1224 flashsv_encoder_select="zlib"
1225 flv_decoder_select="h263_decoder"
1226 flv_encoder_select="h263_encoder"
1227 h261_encoder_select="aandct"
1228 h263_decoder_select="h263_parser"
1229 h263_encoder_select="aandct"
1230 h263_vaapi_hwaccel_deps="va_va_h"
1231 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1232 h263i_decoder_select="h263_decoder"
1233 h263p_encoder_select="h263_encoder"
1234 h264_decoder_select="golomb h264dsp"
1235 h264_dxva2_hwaccel_deps="dxva2api_h"
1236 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1237 h264_vaapi_hwaccel_deps="va_va_h"
1238 h264_vaapi_hwaccel_select="vaapi"
1239 h264_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1240 h264_vdpau_decoder_select="vdpau h264_decoder"
1241 imc_decoder_select="fft mdct"
1242 jpegls_decoder_select="golomb"
1243 jpegls_encoder_select="golomb"
1244 ljpeg_encoder_select="aandct"
1245 loco_decoder_select="golomb"
1246 mjpeg_encoder_select="aandct"
1247 mlp_decoder_select="mlp_parser"
1248 mpeg1video_encoder_select="aandct"
1249 mpeg2video_encoder_select="aandct"
1250 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1251 mpeg4_encoder_select="h263_encoder"
1252 mpeg_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1253 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1254 mpeg1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1255 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1256 mpeg2_vaapi_hwaccel_deps="va_va_h"
1257 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1258 mpeg4_vaapi_hwaccel_deps="va_va_h"
1259 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1260 mpeg4_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1261 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1262 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1263 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1264 msmpeg4v1_decoder_select="h263_decoder"
1265 msmpeg4v1_encoder_select="h263_encoder"
1266 msmpeg4v2_decoder_select="h263_decoder"
1267 msmpeg4v2_encoder_select="h263_encoder"
1268 msmpeg4v3_decoder_select="h263_decoder"
1269 msmpeg4v3_encoder_select="h263_encoder"
1270 nellymoser_decoder_select="mdct"
1271 nellymoser_encoder_select="mdct"
1272 png_decoder_select="zlib"
1273 png_encoder_select="zlib"
1274 qcelp_decoder_select="lsp"
1275 qdm2_decoder_select="mdct rdft"
1276 rv10_decoder_select="h263_decoder"
1277 rv10_encoder_select="h263_encoder"
1278 rv20_decoder_select="h263_decoder"
1279 rv20_encoder_select="h263_encoder"
1280 rv30_decoder_select="golomb h264dsp"
1281 rv40_decoder_select="golomb h264dsp"
1282 shorten_decoder_select="golomb"
1283 sipr_decoder_select="lsp"
1284 snow_decoder_select="dwt"
1285 snow_encoder_select="aandct dwt"
1286 sonic_decoder_select="golomb"
1287 sonic_encoder_select="golomb"
1288 sonic_ls_encoder_select="golomb"
1289 svq1_encoder_select="aandct"
1290 svq3_decoder_select="golomb h264dsp"
1291 svq3_decoder_suggest="zlib"
1292 theora_decoder_select="vp3_decoder"
1293 tiff_decoder_suggest="zlib"
1294 tiff_encoder_suggest="zlib"
1295 truehd_decoder_select="mlp_decoder"
1296 tscc_decoder_select="zlib"
1297 twinvq_decoder_select="mdct lsp"
1298 vc1_decoder_select="h263_decoder"
1299 vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
1300 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1301 vc1_vaapi_hwaccel_deps="va_va_h"
1302 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1303 vc1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1304 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1305 vorbis_decoder_select="mdct"
1306 vorbis_encoder_select="mdct"
1307 vp6a_decoder_select="vp6_decoder"
1308 vp6f_decoder_select="vp6_decoder"
1309 wmapro_decoder_select="mdct"
1310 wmav1_decoder_select="mdct"
1311 wmav1_encoder_select="mdct"
1312 wmav2_decoder_select="mdct"
1313 wmav2_encoder_select="mdct"
1314 wmavoice_decoder_select="lsp"
1315 wmv1_decoder_select="h263_decoder"
1316 wmv1_encoder_select="h263_encoder"
1317 wmv2_decoder_select="h263_decoder"
1318 wmv2_encoder_select="h263_encoder"
1319 wmv3_decoder_select="vc1_decoder"
1320 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1321 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1322 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1323 zlib_decoder_select="zlib"
1324 zlib_encoder_select="zlib"
1325 zmbv_decoder_select="zlib"
1326 zmbv_encoder_select="zlib"
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_decoder_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 libx264_encoder_deps="libx264"
1355 libxvid_encoder_deps="libxvid"
1356
1357 # demuxers / muxers
1358 ac3_demuxer_deps="ac3_parser"
1359 asf_stream_muxer_select="asf_muxer"
1360 avisynth_demuxer_deps="avisynth"
1361 dirac_demuxer_deps="dirac_parser"
1362 eac3_demuxer_select="ac3_parser"
1363 ipod_muxer_select="mov_muxer"
1364 libnut_demuxer_deps="libnut"
1365 libnut_muxer_deps="libnut"
1366 matroska_audio_muxer_select="matroska_muxer"
1367 matroska_demuxer_suggest="zlib bzlib"
1368 mov_demuxer_suggest="zlib"
1369 mp3_demuxer_deps="mpegaudio_parser"
1370 mp4_muxer_select="mov_muxer"
1371 mpegtsraw_demuxer_select="mpegts_demuxer"
1372 mxf_d10_muxer_select="mxf_muxer"
1373 ogg_demuxer_select="golomb"
1374 psp_muxer_select="mov_muxer"
1375 rtsp_demuxer_deps="sdp_demuxer"
1376 rtsp_muxer_deps="sdp_demuxer"
1377 rtsp_muxer_select="rtp_muxer"
1378 sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1379 sdp_demuxer_select="asf_demuxer rm_demuxer"
1380 spdif_muxer_select="aac_parser"
1381 tg2_muxer_select="mov_muxer"
1382 tgp_muxer_select="mov_muxer"
1383 w64_demuxer_deps="wav_demuxer"
1384
1385 # indevs / outdevs
1386 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1387 alsa_indev_extralibs="-lasound"
1388 alsa_outdev_deps="alsa_asoundlib_h"
1389 alsa_outdev_extralibs="-lasound"
1390 audio_beos_indev_deps="audio_beos"
1391 audio_beos_indev_extralibs="-lmedia -lbe"
1392 audio_beos_outdev_deps="audio_beos"
1393 audio_beos_outdev_extralibs="-lmedia -lbe"
1394 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1395 dv1394_indev_deps="dv1394 dv_demuxer"
1396 jack_indev_deps="jack_jack_h"
1397 jack_indev_extralibs="-ljack"
1398 libdc1394_indev_deps="libdc1394"
1399 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1400 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1401 v4l_indev_deps="linux_videodev_h"
1402 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1403 vfwcap_indev_deps="capCreateCaptureWindow"
1404 vfwcap_indev_extralibs="-lavicap32"
1405 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1406 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1407
1408 # protocols
1409 gopher_protocol_deps="network"
1410 http_protocol_deps="network"
1411 http_protocol_select="tcp_protocol"
1412 rtmp_protocol_deps="tcp_protocol"
1413 rtp_protocol_deps="udp_protocol"
1414 tcp_protocol_deps="network"
1415 udp_protocol_deps="network"
1416
1417 # filters
1418 movie_filter_deps="avfilter_lavf"
1419 avfilter_lavf_deps="avformat"
1420
1421 # libraries
1422 avdevice_deps="avcodec avformat"
1423 avformat_deps="avcodec"
1424
1425 # programs
1426 ffmpeg_deps="avcodec avformat swscale"
1427 ffplay_deps="avcodec avformat swscale sdl"
1428 ffplay_select="rdft"
1429 ffprobe_deps="avcodec avformat"
1430 ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
1431 ffserver_extralibs='$ldl'
1432
1433 doc_deps="texi2html"
1434
1435 # default parameters
1436
1437 logfile="config.err"
1438
1439 # installation paths
1440 prefix_default="/usr/local"
1441 bindir_default='${prefix}/bin'
1442 datadir_default='${prefix}/share/ffmpeg'
1443 incdir_default='${prefix}/include'
1444 libdir_default='${prefix}/lib'
1445 mandir_default='${prefix}/share/man'
1446 shlibdir_default="$libdir_default"
1447
1448 # toolchain
1449 ar="ar"
1450 cc_default="gcc"
1451 cc_version=\"unknown\"
1452 host_cc_default="gcc"
1453 ln_s="ln -sf"
1454 nm_default="nm"
1455 objformat="elf"
1456 ranlib="ranlib"
1457 strip_default="strip"
1458 yasmexe="yasm"
1459
1460 nm_opts='-g'
1461
1462 # machine
1463 arch_default=$(uname -m)
1464 cpu="generic"
1465
1466 # OS
1467 target_os_default=$(tolower $(uname -s))
1468 host_os=$target_os_default
1469
1470 # configurable options
1471 enable avcodec
1472 enable avdevice
1473 enable avformat
1474 enable avutil
1475 enable asm
1476 enable debug
1477 enable doc
1478 enable fastdiv
1479 enable ffmpeg
1480 enable ffplay
1481 enable ffprobe
1482 enable ffserver
1483 enable mpegaudio_hp
1484 enable network
1485 enable optimizations
1486 enable protocols
1487 enable static
1488 enable stripping
1489 enable swscale
1490 enable swscale_alpha
1491
1492 # build settings
1493 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1494 FFSERVERLDFLAGS=-Wl,-E
1495 LIBPREF="lib"
1496 LIBSUF=".a"
1497 FULLNAME='$(NAME)$(BUILDSUF)'
1498 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1499 SLIBPREF="lib"
1500 SLIBSUF=".so"
1501 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1502 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1503 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1504 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1505
1506 CC_O='-o $@'
1507
1508 host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
1509 host_libs='-lm'
1510
1511 target_path='$(CURDIR)'
1512
1513 # gcc stupidly only outputs the basename of targets with -MM, but we need the
1514 # full relative path for objects in subdirectories for non-recursive Make.
1515 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1516 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1517
1518 # find source path
1519 source_path="$(dirname "$0")"
1520 enable source_path_used
1521 if test -f configure; then
1522 source_path="$(pwd)"
1523 disable source_path_used
1524 else
1525 source_path="$(cd "$source_path"; pwd)"
1526 echo "$source_path" | grep -q '[[:blank:]]' &&
1527 die "Out of tree builds are impossible with whitespace in source path."
1528 test -e "$source_path/config.h" &&
1529 die "Out of tree builds are impossible with config.h in source dir."
1530 fi
1531
1532 for v in "$@"; do
1533 r=${v#*=}
1534 l=${v%"$r"}
1535 r=$(sh_quote "$r")
1536 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1537 done
1538
1539 find_things(){
1540 thing=$1
1541 pattern=$2
1542 file=$source_path/$3
1543 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1544 }
1545
1546 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1547 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1548 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1549 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1550 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1551 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1552 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1553 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1554 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1555 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1556 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1557
1558 enable $ARCH_EXT_LIST \
1559 $DECODER_LIST \
1560 $ENCODER_LIST \
1561 $HWACCEL_LIST \
1562 $PARSER_LIST \
1563 $BSF_LIST \
1564 $DEMUXER_LIST \
1565 $MUXER_LIST \
1566 $FILTER_LIST \
1567 $PROTOCOL_LIST \
1568 $INDEV_LIST \
1569 $OUTDEV_LIST \
1570
1571 die_unknown(){
1572 echo "Unknown option \"$1\"."
1573 echo "See $0 --help for available options."
1574 exit 1
1575 }
1576
1577 show_list() {
1578 suffix=_$1
1579 shift
1580 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1581 exit 0
1582 }
1583
1584 for opt do
1585 optval="${opt#*=}"
1586 case "$opt" in
1587 --extra-ldflags=*) add_ldflags $optval
1588 ;;
1589 --extra-libs=*) add_extralibs $optval
1590 ;;
1591 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1592 ;;
1593 --enable-debug=*) debuglevel="$optval"
1594 ;;
1595 --disable-everything)
1596 map 'eval disable \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1597 ;;
1598 --enable-*=*|--disable-*=*)
1599 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1600 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1601 eval list=\$$(toupper $thing)_LIST
1602 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1603 $action $(filter "$name" $list)
1604 ;;
1605 --enable-?*|--disable-?*)
1606 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1607 if is_in $option $COMPONENT_LIST; then
1608 test $action = disable && action=unset
1609 eval $action \$$(toupper ${option%s})_LIST
1610 elif is_in $option $CMDLINE_SELECT; then
1611 $action $option
1612 else
1613 die_unknown $opt
1614 fi
1615 ;;
1616 --list-*)
1617 NAME="${opt#--list-}"
1618 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1619 NAME=${NAME%s}
1620 eval show_list $NAME \$$(toupper $NAME)_LIST
1621 ;;
1622 --help|-h) show_help
1623 ;;
1624 *)
1625 optname="${opt%%=*}"
1626 optname="${optname#--}"
1627 optname=$(echo "$optname" | sed 's/-/_/g')
1628 if is_in $optname $CMDLINE_SET; then
1629 eval $optname='$optval'
1630 elif is_in $optname $CMDLINE_APPEND; then
1631 append $optname "$optval"
1632 else
1633 die_unknown $opt
1634 fi
1635 ;;
1636 esac
1637 done
1638
1639 disabled logging && logfile=/dev/null
1640
1641 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1642 set >> $logfile
1643
1644 test -n "$cross_prefix" && enable cross_compile
1645
1646 if enabled cross_compile; then
1647 test -n "$arch" && test -n "$target_os" ||
1648 die "Must specify target arch and OS when cross-compiling"
1649 fi
1650
1651 set_default arch target_os
1652
1653 ar="${cross_prefix}${ar}"
1654 cc_default="${cross_prefix}${cc_default}"
1655 nm_default="${cross_prefix}${nm_default}"
1656 ranlib="${cross_prefix}${ranlib}"
1657 strip_default="${cross_prefix}${strip_default}"
1658
1659 sysinclude_default="${sysroot}/usr/include"
1660
1661 set_default cc nm strip sysinclude
1662 enabled cross_compile || host_cc_default=$cc
1663 set_default host_cc
1664
1665 exesuf() {
1666 case $1 in
1667 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1668 esac
1669 }
1670
1671 EXESUF=$(exesuf $target_os)
1672 HOSTEXESUF=$(exesuf $host_os)
1673
1674 # set temporary file name
1675 : ${TMPDIR:=$TEMPDIR}
1676 : ${TMPDIR:=$TMP}
1677 : ${TMPDIR:=/tmp}
1678
1679 if ! check_cmd type mktemp; then
1680 # simple replacement for missing mktemp
1681 # NOT SAFE FOR GENERAL USE
1682 mktemp(){
1683 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1684 }
1685 fi
1686
1687 tmpfile(){
1688 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1689 (set -C; exec > $tmp) 2>/dev/null ||
1690 die "Unable to create temporary file in $TMPDIR."
1691 append TMPFILES $tmp
1692 eval $1=$tmp
1693 }
1694
1695 trap 'rm -f -- $TMPFILES' EXIT
1696 trap exit HUP INT TERM
1697
1698 tmpfile TMPC .c
1699 tmpfile TMPE $EXESUF
1700 tmpfile TMPH .h
1701 tmpfile TMPO .o
1702 tmpfile TMPS .S
1703 tmpfile TMPV .ver
1704 tmpfile TMPSH .sh
1705
1706 unset -f mktemp
1707
1708 # make sure we can execute files in $TMPDIR
1709 cat > $TMPSH 2>> $logfile <<EOF
1710 #! /bin/sh
1711 EOF
1712 chmod +x $TMPSH >> $logfile 2>&1
1713 if ! $TMPSH >> $logfile 2>&1; then
1714 cat <<EOF
1715 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1716 variable to another directory and make sure that it is not mounted noexec.
1717 EOF
1718 die "Sanity test failed."
1719 fi
1720
1721 filter_cflags=echo
1722 filter_cppflags=echo
1723 filter_asflags=echo
1724
1725 if $cc -v 2>&1 | grep -qi ^gcc; then
1726 cc_type=gcc
1727 cc_version=__VERSION__
1728 if ! $cc -dumpversion | grep -q '^2\.'; then
1729 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1730 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1731 fi
1732 speed_cflags='-O3'
1733 size_cflags='-Os'
1734 elif $cc --version 2>/dev/null | grep -q Intel; then
1735 cc_type=icc
1736 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1737 CC_DEPFLAGS='-MMD'
1738 AS_DEPFLAGS='-MMD'
1739 speed_cflags='-O3'
1740 size_cflags='-Os'
1741 elif $cc -v 2>&1 | grep -q xlc; then
1742 cc_type=xlc
1743 cc_version="AV_STRINGIFY(__IBMC__)"
1744 speed_cflags='-O5'
1745 size_cflags='-O5 -qcompact'
1746 elif $cc -V 2>/dev/null | grep -q Compaq; then
1747 cc_type=ccc
1748 cc_version="AV_STRINGIFY(__DECC_VER)"
1749 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1750 debuglevel=3
1751 add_ldflags -Wl,-z,now # calls to libots crash without this
1752 speed_cflags='-fast'
1753 size_cflags='-O1'
1754 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1755 test -d "$sysroot" || die "No valid sysroot specified."
1756 cc_type=armcc
1757 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1758 armcc_conf="$PWD/armcc.conf"
1759 $cc --arm_linux_configure \
1760 --arm_linux_config_file="$armcc_conf" \
1761 --configure_sysroot="$sysroot" \
1762 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1763 die "Error creating armcc configuration file."
1764 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1765 as_default="${cross_prefix}gcc"
1766 CC_DEPFLAGS='-MMD'
1767 AS_DEPFLAGS='-MMD'
1768 speed_cflags='-O3'
1769 size_cflags='-Os'
1770 elif $cc -version 2>/dev/null | grep -q TMS470; then
1771 cc_type=tms470
1772 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1773 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1774 CC_O='-fr=$(@D)'
1775 as_default="${cross_prefix}gcc"
1776 ld_default="${cross_prefix}gcc"
1777 TMPO=$(basename $TMPC .c).o
1778 append TMPFILES $TMPO
1779 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1780 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1781 AS_DEPFLAGS='-MMD'
1782 speed_cflags='-O3 -mf=5'
1783 size_cflags='-O3 -mf=2'
1784 filter_cflags=tms470_flags
1785 tms470_flags(){
1786 for flag; do
1787 case $flag in
1788 -march=*|-mcpu=*)
1789 case "${flag#*=}" in
1790 armv7-a|cortex-a*) echo -mv=7a8 ;;
1791 armv7-r|cortex-r*) echo -mv=7r4 ;;
1792 armv7-m|cortex-m*) echo -mv=7m3 ;;
1793 armv6*|arm11*) echo -mv=6 ;;
1794 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1795 echo -mv=5e ;;
1796 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1797 esac
1798 ;;
1799 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1800 -mfpu=vfp) echo --float_support=vfpv2 ;;
1801 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
1802 -msoft-float) echo --float_support=vfplib ;;
1803 -O[0-3]|-mf=*) echo $flag ;;
1804 -g) echo -g -mn ;;
1805 -pds=*) echo $flag ;;
1806 esac
1807 done
1808 }
1809 elif $cc -v 2>&1 | grep -q clang; then
1810 cc_type=clang
1811 cc_version=__VERSION__
1812 CC_DEPFLAGS='-MMD'
1813 AS_DEPFLAGS='-MMD'
1814 speed_cflags='-O3'
1815 size_cflags='-Os'
1816 elif $cc -V 2>&1 | grep -q Sun; then
1817 cc_type=suncc
1818 cc_version="AV_STRINGIFY(__SUNPRO_C)"
1819 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
1820 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
1821 speed_cflags='-O5'
1822 size_cflags='-O5 -xspace'
1823 filter_cflags=suncc_flags
1824 suncc_flags(){
1825 for flag; do
1826 case $flag in
1827 -march=*|-mcpu=*)
1828 case "${flag#*=}" in
1829 native) echo -xtarget=native ;;
1830 v9) echo -xarch=sparc ;;
1831 ultrasparc) echo -xarch=sparcvis ;;
1832 ultrasparc3|niagara*) echo -xarch=sparcvis2 ;;
1833 i586|pentium) echo -xchip=pentium ;;
1834 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
1835 pentium3*|c3-2) echo -xtarget=pentium3 ;;
1836 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
1837 pentium4*) echo -xtarget=pentium4 ;;
1838 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
1839 *-sse3) echo -xarch=sse3 ;;
1840 core2) echo -xarch=ssse3 -xchip=core2 ;;
1841 amdfam10|barcelona) echo -xarch=sse4_1 ;;
1842 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
1843 k8|opteron|athlon64|athlon-fx)
1844 echo -xarch=sse2a ;;
1845 athlon*) echo -xarch=pentium_proa ;;
1846 esac
1847 ;;
1848 -std=c99) echo -xc99 ;;
1849 -fomit-frame-pointer) echo -xregs=frameptr ;;
1850 -fPIC) echo -KPIC -xcode=pic32 ;;
1851 -W*,*) echo $flag ;;
1852 -f*-*|-W*) ;;
1853 *) echo $flag ;;
1854 esac
1855 done
1856 }
1857 fi
1858
1859 test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1860
1861 : ${as_default:=$cc}
1862 : ${dep_cc_default:=$cc}
1863 : ${ld_default:=$cc}
1864 set_default as dep_cc ld
1865
1866 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1867 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1868
1869 add_cflags $extra_cflags
1870 add_asflags $extra_cflags
1871
1872 if test -n "$sysroot"; then
1873 case "$cc_type" in
1874 gcc)
1875 add_cppflags --sysroot="$sysroot"
1876 add_ldflags --sysroot="$sysroot"
1877 ;;
1878 tms470)
1879 add_cppflags -I"$sysinclude"
1880 add_ldflags --sysroot="$sysroot"
1881 ;;
1882 clang)
1883 add_cppflags -isysroot "$sysroot"
1884 add_ldflags -isysroot "$sysroot"
1885 ;;
1886 esac
1887 fi
1888
1889 if test "$cpu" = host; then
1890 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1891
1892 case "$cc_type" in
1893 gcc)
1894 check_native(){
1895 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
1896 sed -n "/$1=/{
1897 s/.*$1=\\([^ ]*\\).*/\\1/
1898 p
1899 q
1900 }" $TMPE
1901 }
1902 cpu=$(check_native -march || check_native -mcpu)
1903 ;;
1904 esac
1905
1906 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1907 fi
1908
1909 # Deal with common $arch aliases
1910 case "$arch" in
1911 arm*)
1912 arch="arm"
1913 ;;
1914 mips|mipsel|IP*)
1915 arch="mips"
1916 ;;
1917 mips64*)
1918 arch="mips"
1919 subarch="mips64"
1920 ;;
1921 parisc|hppa)
1922 arch="parisc"
1923 ;;
1924 parisc64|hppa64)
1925 arch="parisc"
1926 subarch="parisc64"
1927 ;;
1928 "Power Macintosh"|ppc|powerpc)
1929 arch="ppc"
1930 ;;
1931 ppc64|powerpc64)
1932 arch="ppc"
1933 subarch="ppc64"
1934 ;;
1935 s390|s390x)
1936 arch="s390"
1937 ;;
1938 sh4|sh)
1939 arch="sh4"
1940 ;;
1941 sun4u|sparc64)
1942 arch="sparc"
1943 subarch="sparc64"
1944 ;;
1945 i[3-6]86|i86pc|BePC|x86_64|amd64)
1946 arch="x86"
1947 ;;
1948 esac
1949
1950 is_in $arch $ARCH_LIST || echo "WARNING: unknown arch $arch"
1951 enable $arch
1952
1953 # Add processor-specific flags
1954 if test "$cpu" = generic; then
1955 : do nothing
1956 elif enabled ppc; then
1957
1958 case $(tolower $cpu) in
1959 601|ppc601|powerpc601)
1960 cpuflags="-mcpu=601"
1961 disable altivec
1962 ;;
1963 603*|ppc603*|powerpc603*)
1964 cpuflags="-mcpu=603"
1965 disable altivec
1966 ;;
1967 604*|ppc604*|powerpc604*)
1968 cpuflags="-mcpu=604"
1969 disable altivec
1970 ;;
1971 g3|75*|ppc75*|powerpc75*)
1972 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
1973 disable altivec
1974 ;;
1975 g4|745*|ppc745*|powerpc745*)
1976 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1977 ;;
1978 74*|ppc74*|powerpc74*)
1979 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1980 ;;
1981 g5|970|ppc970|powerpc970|power4*)
1982 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1983 ;;
1984 cell)
1985 cpuflags="-mcpu=cell"
1986 enable ldbrx
1987 ;;
1988 e500v2)
1989 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
1990 disable altivec
1991 ;;
1992 e500)
1993 cpuflags="-mcpu=8540 -mhard-float"
1994 disable altivec
1995 ;;
1996 esac
1997
1998 elif enabled x86; then
1999
2000 case $cpu in
2001 i[345]86|pentium)
2002 cpuflags="-march=$cpu"
2003 disable mmx
2004 ;;
2005 # targets that do NOT support conditional mov (cmov)
2006 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2007 cpuflags="-march=$cpu"
2008 disable cmov
2009 ;;
2010 # targets that do support conditional mov (cmov)
2011 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10)
2012 cpuflags="-march=$cpu"
2013 enable cmov
2014 enable fast_cmov
2015 ;;
2016 # targets that do support conditional mov but on which it's slow
2017 pentium4|pentium4m|prescott|nocona)
2018 cpuflags="-march=$cpu"
2019 enable cmov
2020 disable fast_cmov
2021 ;;
2022 esac
2023
2024 elif enabled sparc; then
2025
2026 case $cpu in
2027 sparc64)
2028 cpuflags="-mcpu=v9"
2029 ;;
2030 esac
2031
2032 elif enabled arm; then
2033
2034 case $cpu in
2035 armv*)
2036 cpuflags="-march=$cpu"
2037 ;;
2038 *)
2039 cpuflags="-mcpu=$cpu"
2040 ;;
2041 esac
2042
2043 elif enabled alpha; then
2044
2045 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2046
2047 elif enabled bfin; then
2048
2049 cpuflags="-mcpu=$cpu"
2050
2051 elif enabled mips; then
2052
2053 cpuflags="-march=$cpu"
2054
2055 elif enabled avr32; then
2056
2057 case $cpu in
2058 ap7[02]0[0-2])
2059 subarch="avr32_ap"
2060 cpuflags="-mpart=$cpu"
2061 ;;
2062 ap)
2063 subarch="avr32_ap"
2064 cpuflags="-march=$cpu"
2065 ;;
2066 uc3[ab]*)
2067 subarch="avr32_uc"
2068 cpuflags="-mcpu=$cpu"
2069 ;;
2070 uc)
2071 subarch="avr32_uc"
2072 cpuflags="-march=$cpu"
2073 ;;
2074 esac
2075
2076 fi
2077
2078 add_cflags $cpuflags
2079 add_asflags $cpuflags
2080
2081 # compiler sanity check
2082 check_exec <<EOF
2083 int main(void){ return 0; }
2084 EOF
2085 if test "$?" != 0; then
2086 echo "$cc is unable to create an executable file."
2087 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2088 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2089 echo "Only do this if you know what cross compiling means."
2090 fi
2091 die "C compiler test failed."
2092 fi
2093
2094 add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
2095 check_cflags -std=c99
2096 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2097 #include <stdlib.h>
2098 EOF
2099 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2100 #include <stdlib.h>
2101 EOF
2102
2103 check_host_cflags -std=c99
2104
2105 case "$arch" in
2106 alpha|ia64|mips|parisc|sparc)
2107 spic=$shared
2108 ;;
2109 x86)
2110 subarch="x86_32"
2111 check_cc <<EOF && subarch="x86_64"
2112 int test[(int)sizeof(char*) - 7];
2113 EOF
2114 if test "$subarch" = "x86_64"; then
2115 spic=$shared
2116 fi
2117 ;;
2118 esac
2119
2120 enable $subarch
2121 enabled spic && enable pic
2122 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2123
2124 # OS specific
2125 case $target_os in
2126 beos|haiku|zeta)
2127 prefix_default="$HOME/config"
2128 # 3 gcc releases known for BeOS, each with ugly bugs
2129 gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
2130 case "$gcc_version" in
2131 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
2132 disable mmx
2133 ;;
2134 *20010315*) echo "BeBits gcc"
2135 add_cflags -fno-expensive-optimizations
2136 ;;
2137 esac
2138 SHFLAGS=-nostart
2139 # enable BeOS things
2140 enable audio_beos
2141 # no need for libm, but the inet stuff
2142 # Check for BONE
2143 # XXX: actually should check for NOT net_server
2144 if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
2145 network_extralibs="-lbind -lsocket"
2146 else
2147 enable beos_netserver
2148 network_extralibs="-lnet"
2149 fi ;;
2150 sunos)
2151 FFSERVERLDFLAGS=""
2152 SHFLAGS='-shared -Wl,-h,$$(@F)'
2153 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2154 network_extralibs="-lsocket -lnsl"
2155 add_cppflags -D__EXTENSIONS__
2156 nm_opts='-P -g'
2157 ;;
2158 netbsd)
2159 oss_indev_extralibs="-lossaudio"
2160 oss_outdev_extralibs="-lossaudio"
2161 add_cppflags -D_XOPEN_SOURCE=600
2162 ;;
2163 openbsd)
2164 enable malloc_aligned
2165 # On OpenBSD 4.5. the compiler does not use PIC unless
2166 # explicitly using -fPIC. FFmpeg builds fine without PIC,
2167 # however the generated executable will not do anything
2168 # (simply quits with exit-code 1, no crash, no output).
2169 # Thus explicitly enable PIC here.
2170 enable pic
2171 SHFLAGS='-shared'
2172 oss_indev_extralibs="-lossaudio"
2173 oss_outdev_extralibs="-lossaudio"
2174 ;;
2175 freebsd|dragonfly)
2176 enable malloc_aligned
2177 ;;
2178 bsd/os)
2179 osextralibs="-lpoll -lgnugetopt"
2180 strip="strip -d"
2181 ;;
2182 darwin)
2183 enable malloc_aligned
2184 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
2185 strip="strip -x"
2186 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
2187 SLIBSUF=".dylib"
2188 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2189 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2190 FFSERVERLDFLAGS=-Wl,-bind_at_load
2191 objformat="macho"
2192 enabled x86_64 && objformat="macho64"
2193 enabled_any pic shared ||
2194 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2195 ;;
2196 mingw32*)
2197 if test $target_os = "mingw32ce"; then
2198 disable network
2199 else
2200 target_os=mingw32
2201 fi
2202 LIBTARGET=i386
2203 if enabled x86_64; then
2204 enable malloc_aligned
2205 LIBTARGET=x64
2206 elif enabled arm; then
2207 LIBTARGET=arm
2208 fi
2209 shlibdir_default="$bindir_default"
2210 disable ffserver
2211 SLIBPREF=""
2212 SLIBSUF=".dll"
2213 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2214 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2215 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
2216 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
2217 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2218 install -d "$(LIBDIR)"; \
2219 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
2220 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
2221 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
2222 objformat="win32"
2223 enable dos_paths
2224 check_cflags -fno-common
2225 if ! enabled x86_64; then
2226 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2227 die "ERROR: MinGW runtime version must be >= 3.15."
2228 enabled_any avisynth vfwcap_indev &&
2229 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
2230 die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
2231 fi
2232 ;;
2233 cygwin*)
2234 target_os=cygwin
2235 shlibdir_default="$bindir_default"
2236 SLIBPREF="cyg"
2237 SLIBSUF=".dll"
2238 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2239 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2240 SHFLAGS='-shared -Wl,--enable-auto-image-base'
2241 objformat="win32"
2242 enable dos_paths
2243 check_cflags -fno-common
2244 ;;
2245 *-dos|freedos|opendos)
2246 disable ffplay ffserver
2247 disable $INDEV_LIST $OUTDEV_LIST
2248 network_extralibs="-lsocket"
2249 objformat="coff"
2250 enable dos_paths
2251 ;;
2252 linux)
2253 enable dv1394
2254 ;;
2255 irix*)
2256 target_os=irix
2257 ranlib="echo ignoring ranlib"
2258 ;;
2259 os/2*)
2260 strip="lxlite"
2261 ln_s="cp -f"
2262 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
2263 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2264 FFSERVERLDFLAGS=""
2265 LIBSUF="_s.a"
2266 SLIBPREF=""
2267 SLIBSUF=".dll"
2268 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2269 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2270 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2271 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2272 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2273 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2274 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2275 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2276 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2277 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2278 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
2279 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
2280 enable dos_paths
2281 ;;
2282 gnu/kfreebsd)
2283 ;;
2284 gnu)
2285 ;;
2286 none)
2287 ;;
2288 *)
2289 die "Unknown OS '$target_os'."
2290 ;;
2291 esac
2292
2293 set_default $PATHS_LIST
2294
2295 add_extralibs $osextralibs
2296
2297 # Combine FFLDFLAGS and the LDFLAGS environment variable.
2298 LDFLAGS="$FFLDFLAGS $LDFLAGS"
2299
2300 # we need to build at least one lib type
2301 if ! enabled_any static shared; then
2302 cat <<EOF
2303 At least one library type must be built.
2304 Specify --enable-static to build the static libraries or --enable-shared to
2305 build the shared libraries as well. To only build the shared libraries specify
2306 --disable-static in addition to --enable-shared.
2307 EOF
2308 exit 1;
2309 fi
2310
2311 disabled static && LIBNAME=""
2312
2313 if enabled_any libfaad libfaadbin ; then
2314 if check_header faad.h; then
2315 check_cc <<EOF
2316 #include <faad.h>
2317 #ifndef FAAD2_VERSION
2318 ok faad1
2319 #endif
2320 int main(void) { return 0; }
2321 EOF
2322 test $? = 0 && enable libfaad2
2323 else
2324 die "FAAD test failed."
2325 fi
2326 fi
2327
2328
2329 die_license_disabled() {
2330 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2331 }
2332
2333 die_license_disabled gpl libfaad2
2334 die_license_disabled gpl libx264
2335 die_license_disabled gpl libxvid
2336 die_license_disabled gpl postproc
2337 die_license_disabled gpl x11grab
2338
2339 die_license_disabled nonfree libfaac
2340
2341 die_license_disabled version3 libopencore_amrnb
2342 die_license_disabled version3 libopencore_amrwb
2343
2344 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2345
2346 check_deps $ARCH_EXT_LIST
2347
2348 disabled optimizations || check_cflags -fomit-frame-pointer
2349
2350 enable_pic() {
2351 enable pic
2352 add_cppflags -DPIC
2353 add_cflags -fPIC
2354 add_asflags -fPIC
2355 }
2356
2357 enabled pic && enable_pic
2358
2359 check_cc <<EOF || die "Symbol mangling check failed."
2360 int ff_extern;
2361 EOF
2362 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2363 extern_prefix=${sym%%ff_extern*}
2364
2365 check_cc <<EOF && enable inline_asm
2366 void foo(void) { __asm__ volatile ("" ::); }
2367 EOF
2368
2369 _restrict=
2370 for restrict_keyword in restrict __restrict__ __restrict; do
2371 check_cc <<EOF && _restrict=$restrict_keyword && break
2372 void foo(char * $restrict_keyword p);
2373 EOF
2374 done
2375
2376 check_cc <<EOF && enable attribute_packed
2377 struct { int x; } __attribute__((packed)) x;
2378 EOF
2379
2380 check_cc <<EOF && enable attribute_may_alias
2381 union { int x; } __attribute__((may_alias)) x;
2382 EOF
2383
2384 check_cc <<EOF || die "endian test failed"
2385 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2386 EOF
2387 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2388
2389 if enabled alpha; then
2390
2391 check_cflags -mieee
2392
2393 elif enabled arm; then
2394
2395 check_cflags -marm
2396
2397 check_ld <<EOF && enable vfp_args
2398 __asm__ (".eabi_attribute 28, 1");
2399 int main(void) { return 0; }
2400 EOF
2401
2402 # We have to check if pld is a nop and disable it.
2403 check_asm pld '"pld [r0]"'
2404
2405 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2406 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2407 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2408 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2409 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2410 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
2411
2412 enabled_all armv6t2 shared !pic && enable_pic
2413
2414 elif enabled ia64; then
2415
2416 # HACK: currently fails to build if .bss is > 4MB and shared libs are built
2417 enabled shared && enable_weak hardcoded_tables
2418
2419 elif enabled mips; then
2420
2421 check_asm loongson '"dmult.g $1, $2, $3"'
2422 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
2423
2424 elif enabled ppc; then
2425
2426 enable local_aligned_8 local_aligned_16
2427
2428 check_asm dcbzl '"dcbzl 0, 1"'
2429 check_asm ppc4xx '"maclhw r10, r11, r12"'
2430 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2431
2432 # AltiVec flags: The FSF version of GCC differs from the Apple version
2433 if enabled altivec; then
2434 check_cflags -maltivec -mabi=altivec &&
2435 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2436 check_cflags -faltivec
2437
2438 # check if our compiler supports Motorola AltiVec C API
2439 check_cc <<EOF || disable altivec
2440 $inc_altivec_h
2441 int main(void) {
2442 vector signed int v1, v2, v3;
2443 v1 = vec_add(v2,v3);
2444 return 0;
2445 }
2446 EOF
2447
2448 # check if our compiler supports braces for vector declarations
2449 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2450 $inc_altivec_h
2451 int main (void) { (vector int) {1}; return 0; }
2452 EOF
2453 fi
2454
2455 elif enabled sparc; then
2456
2457 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2458 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2459
2460 elif enabled x86; then
2461
2462 enable local_aligned_8 local_aligned_16
2463
2464 # check whether EBP is available on x86
2465 # As 'i' is stored on the stack, this program will crash
2466 # if the base pointer is used to access it because the
2467 # base pointer is cleared in the inline assembly code.
2468 check_exec_crash <<EOF && enable ebp_available
2469 volatile int i=0;
2470 __asm__ volatile (
2471 "xorl %%ebp, %%ebp"
2472 ::: "%ebp");
2473 return i;
2474 EOF
2475
2476 # check whether EBX is available on x86
2477 check_asm ebx_available '""::"b"(0)' &&
2478 check_asm ebx_available '"":::"%ebx"'
2479
2480 # check whether more than 10 operands are supported
2481 check_cc <<EOF && enable ten_operands
2482 int main(void) {
2483 int x=0;
2484 __asm__ volatile(
2485 ""
2486 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2487 );
2488 return 0;
2489 }
2490 EOF
2491
2492 # check whether binutils is new enough to compile SSSE3/MMX2
2493 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2494 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
2495
2496 check_asm bswap '"bswap %%eax" ::: "%eax"'
2497
2498 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
2499 enabled x86_64 && append YASMFLAGS "-m amd64"
2500 enabled pic && append YASMFLAGS "-DPIC"
2501 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
2502 case "$objformat" in
2503 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
2504 esac
2505 disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
2506
2507 case "$cpu" in
2508 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2509 disable fast_clz
2510 ;;
2511 esac
2512
2513 fi
2514
2515 if check_func dlopen; then
2516 ldl=
2517 elif check_func dlopen -ldl; then
2518 ldl=-ldl
2519 fi
2520
2521 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2522 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2523
2524 check_func fork
2525 check_func getaddrinfo $network_extralibs
2526 check_func gethrtime
2527 check_func getrusage
2528 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2529 check_func inet_aton $network_extralibs
2530 check_func isatty
2531 check_func ${malloc_prefix}memalign && enable memalign
2532 check_func mkstemp
2533 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
2534 check_func setrlimit
2535 check_func strerror_r
2536 check_func_headers io.h setmode
2537 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2538 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2539 check_func_headers windows.h GetProcessTimes
2540 check_func_headers windows.h VirtualAlloc
2541
2542 check_header conio.h
2543 check_header dlfcn.h
2544 check_header dxva2api.h
2545 check_header malloc.h
2546 check_header poll.h
2547 check_header sys/mman.h
2548 check_header sys/resource.h
2549 check_header sys/select.h
2550 check_header termios.h
2551 check_header vdpau/vdpau.h
2552 check_header vdpau/vdpau_x11.h
2553 check_header X11/extensions/XvMClib.h
2554
2555 check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2556
2557 if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2558 enabled_any $need_memalign ; then
2559 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2560 fi
2561
2562 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
2563 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2564
2565 # check for some common methods of building with pthread support
2566 # do this before the optional library checks as some of them require pthreads
2567 if enabled pthreads; then
2568 if check_func pthread_create; then
2569 :
2570 elif check_func pthread_create -pthread; then
2571 add_cflags -pthread
2572 add_extralibs -pthread
2573 elif check_func pthread_create -pthreads; then
2574 add_cflags -pthreads
2575 add_extralibs -pthreads
2576 elif check_func pthread_create -lpthreadGC2; then
2577 add_extralibs -lpthreadGC2
2578 elif ! check_lib pthread.h pthread_create -lpthread; then
2579 die "ERROR: can't find pthreads library"
2580 fi
2581 fi
2582
2583 for thread in $THREADS_LIST; do
2584 if enabled $thread; then
2585 test -n "$thread_type" &&
2586 die "ERROR: Only one thread type must be selected." ||
2587 thread_type="$thread"
2588 fi
2589 done
2590
2591 check_lib math.h sin -lm
2592 check_lib va/va.h vaInitialize -lva
2593
2594 check_mathfunc exp2
2595 check_mathfunc exp2f
2596 check_mathfunc llrint
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 libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2619 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2620 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2621 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2622 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2623 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 -lm &&
2624 { check_cpp_condition x264.h "X264_BUILD >= 83" ||
2625 die "ERROR: libx264 version must be >= 0.83."; }
2626 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2627 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2628
2629 # libdc1394 check
2630 if enabled libdc1394; then
2631 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2632 enable libdc1394_2; } ||
2633 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2634 enable libdc1394_1; } ||
2635 die "ERROR: No version of libdc1394 found "
2636 fi
2637
2638 SDL_CONFIG="${cross_prefix}sdl-config"
2639 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2640 sdl_cflags=$("${SDL_CONFIG}" --cflags)
2641 sdl_libs=$("${SDL_CONFIG}" --libs)
2642 check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2643 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2644 enable sdl &&
2645 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2646 fi
2647
2648 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2649
2650 if enabled network; then
2651 check_type "sys/types.h sys/socket.h" socklen_t
2652 check_type netdb.h "struct addrinfo"
2653 check_type netinet/in.h "struct ipv6_mreq"
2654 check_type netinet/in.h "struct sockaddr_in6"
2655 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2656 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2657 # Prefer arpa/inet.h over winsock2
2658 if check_header arpa/inet.h ; then
2659 check_func closesocket
2660 elif check_header winsock2.h ; then
2661 check_func_headers winsock2.h closesocket -lws2 && \
2662 network_extralibs="-lws2" || \
2663 { check_func_headers winsock2.h closesocket -lws2_32 && \
2664 network_extralibs="-lws2_32"; }
2665 check_type ws2tcpip.h socklen_t
2666 check_type ws2tcpip.h "struct addrinfo"
2667 check_type ws2tcpip.h "struct ipv6_mreq"
2668 check_type ws2tcpip.h "struct sockaddr_in6"
2669 check_type ws2tcpip.h "struct sockaddr_storage"
2670 check_struct winsock2.h "struct sockaddr" sa_len
2671 else
2672 disable network
2673 fi
2674 fi
2675
2676 check_header linux/videodev.h
2677 check_header linux/videodev2.h
2678 check_header sys/videoio.h
2679
2680 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2681
2682 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2683 { check_header dev/bktr/ioctl_meteor.h &&
2684 check_header dev/bktr/ioctl_bt848.h; } ||
2685 { check_header machine/ioctl_meteor.h &&
2686 check_header machine/ioctl_bt848.h; } ||
2687 { check_header dev/video/meteor/ioctl_meteor.h &&
2688 check_header dev/video/bktr/ioctl_bt848.h; } ||
2689 check_header dev/ic/bt8xx.h
2690
2691 check_header sys/soundcard.h
2692 check_header soundcard.h
2693
2694 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2695
2696 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2697
2698 enabled x11grab &&
2699 check_header X11/Xlib.h &&
2700 check_header X11/extensions/XShm.h &&
2701 check_header X11/extensions/Xfixes.h &&
2702 check_func XOpenDisplay -lX11 &&
2703 check_func XShmCreateImage -lX11 -lXext &&
2704 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2705
2706 if ! disabled vdpau && enabled vdpau_vdpau_h; then
2707 check_cpp_condition \
2708 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2709 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2710 disable vdpau; }
2711 fi
2712
2713 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2714
2715 # add some useful compiler flags if supported
2716 check_cflags -Wdeclaration-after-statement
2717 check_cflags -Wall
2718 check_cflags -Wno-switch
2719 check_cflags -Wdisabled-optimization
2720 check_cflags -Wpointer-arith
2721 check_cflags -Wredundant-decls
2722 check_cflags -Wno-pointer-sign
2723 check_cflags -Wcast-qual
2724 check_cflags -Wwrite-strings
2725 check_cflags -Wtype-limits
2726 check_cflags -Wundef
2727 check_cflags -Wmissing-prototypes
2728 enabled extra_warnings && check_cflags -Winline
2729
2730 # add some linker flags
2731 check_ldflags -Wl,--warn-common
2732 check_ldflags -Wl,--as-needed
2733 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'
2734 check_ldflags -Wl,-Bsymbolic
2735
2736 echo "X{};" > $TMPV
2737 test_ldflags -Wl,--version-script,$TMPV &&
2738 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2739
2740 if enabled small; then
2741 add_cflags $size_cflags
2742 optimizations="small"
2743 elif enabled optimizations; then
2744 add_cflags $speed_cflags
2745 fi
2746 check_cflags -fno-math-errno
2747 check_cflags -fno-signed-zeros
2748
2749 if enabled icc; then
2750 # Just warnings, no remarks
2751 check_cflags -w1
2752 # -wd: Disable following warnings
2753 # 144, 167, 556: -Wno-pointer-sign
2754 # 10006: ignoring unknown option -fno-signed-zeros
2755 # 10156: ignoring option '-W'; no argument required
2756 check_cflags -wd144,167,556,10006,10156
2757 # 11030: Warning unknown option --as-needed
2758 # 10156: ignoring option '-export'; no argument required
2759 check_ldflags -wd10156,11030
2760 # Allow to compile with optimizations
2761 check_ldflags -march=$cpu
2762 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2763 enable ebp_available
2764 elif enabled ccc; then
2765 # disable some annoying warnings
2766 add_cflags -msg_disable cvtu32to64
2767 add_cflags -msg_disable embedcomment
2768 add_cflags -msg_disable needconstext
2769 add_cflags -msg_disable nomainieee
2770 add_cflags -msg_disable ptrmismatch1
2771 add_cflags -msg_disable unreachcode
2772 elif enabled gcc; then
2773 check_cflags -fno-tree-vectorize
2774 check_cflags -Werror=implicit
2775 check_cflags -Werror=missing-prototypes
2776 elif enabled clang; then
2777 check_cflags -Qunused-arguments
2778 elif enabled armcc; then
2779 # 2523: use of inline assembler is deprecated
2780 add_cflags -Wrvct,--diag_suppress=2523
2781 add_cflags -Wrvct,--diag_suppress=1207
2782 elif enabled tms470; then
2783 add_cflags -pds=824 -pds=837
2784 fi
2785
2786 if enabled gprof; then
2787 add_cflags -p
2788 add_ldflags -p
2789 fi
2790
2791 # Find out if the .align argument is a power of two or not.
2792 check_asm asmalign_pot '".align 3"'
2793
2794 enabled_any $DECODER_LIST && enable decoders
2795 enabled_any $ENCODER_LIST && enable encoders
2796 enabled_any $HWACCEL_LIST && enable hwaccels
2797 enabled_any $BSF_LIST && enable bsfs
2798 enabled_any $DEMUXER_LIST && enable demuxers
2799 enabled_any $MUXER_LIST && enable muxers
2800 enabled_any $FILTER_LIST && enable filters
2801 enabled_any $INDEV_LIST && enable indevs
2802 enabled_any $OUTDEV_LIST && enable outdevs
2803 enabled_any $PROTOCOL_LIST && enable protocols
2804
2805 enabled_any $THREADS_LIST && enable threads
2806
2807 check_deps $CONFIG_LIST \
2808 $CONFIG_EXTRA \
2809 $HAVE_LIST \
2810 $DECODER_LIST \
2811 $ENCODER_LIST \
2812 $HWACCEL_LIST \
2813 $PARSER_LIST \
2814 $BSF_LIST \
2815 $DEMUXER_LIST \
2816 $MUXER_LIST \
2817 $FILTER_LIST \
2818 $INDEV_LIST \
2819 $OUTDEV_LIST \
2820 $PROTOCOL_LIST \
2821
2822 enabled asm || disable $ARCH_LIST $ARCH_EXT_LIST
2823
2824 echo "install prefix $prefix"
2825 echo "source path $source_path"
2826 echo "C compiler $cc"
2827 echo ".align is power-of-two $asmalign_pot"
2828 echo "ARCH $arch ($cpu)"
2829 if test "$build_suffix" != ""; then
2830 echo "build suffix $build_suffix"
2831 fi
2832 if test "$extra_version" != ""; then
2833 echo "version string suffix $extra_version"
2834 fi
2835 echo "big-endian ${bigendian-no}"
2836 echo "runtime cpu detection ${runtime_cpudetect-no}"
2837 if enabled x86; then
2838 echo "yasm ${yasm-no}"
2839 echo "MMX enabled ${mmx-no}"
2840 echo "MMX2 enabled ${mmx2-no}"
2841 echo "3DNow! enabled ${amd3dnow-no}"
2842 echo "3DNow! extended enabled ${amd3dnowext-no}"
2843 echo "SSE enabled ${sse-no}"
2844 echo "SSSE3 enabled ${ssse3-no}"
2845 echo "CMOV enabled ${cmov-no}"
2846 echo "CMOV is fast ${fast_cmov-no}"
2847 echo "EBX available ${ebx_available-no}"
2848 echo "EBP available ${ebp_available-no}"
2849 echo "10 operands supported ${ten_operands-no}"
2850 fi
2851 if enabled arm; then
2852 echo "ARMv5TE enabled ${armv5te-no}"
2853 echo "ARMv6 enabled ${armv6-no}"
2854 echo "ARMv6T2 enabled ${armv6t2-no}"
2855 echo "ARM VFP enabled ${armvfp-no}"
2856 echo "IWMMXT enabled ${iwmmxt-no}"
2857 echo "NEON enabled ${neon-no}"
2858 fi
2859 if enabled mips; then
2860 echo "MMI enabled ${mmi-no}"
2861 fi
2862 if enabled ppc; then
2863 echo "AltiVec enabled ${altivec-no}"
2864 echo "PPC 4xx optimizations ${ppc4xx-no}"
2865 echo "dcbzl available ${dcbzl-no}"
2866 echo "performance report ${powerpc_perf-no}"
2867 fi
2868 if enabled sparc; then
2869 echo "VIS enabled ${vis-no}"
2870 fi
2871 echo "gprof enabled ${gprof-no}"
2872 echo "debug symbols ${debug-no}"
2873 echo "strip symbols ${stripping-no}"
2874 echo "optimizations ${optimizations-no}"
2875 echo "static ${static-no}"
2876 echo "shared ${shared-no}"
2877 echo "postprocessing support ${postproc-no}"
2878 echo "new filter support ${avfilter-no}"
2879 echo "filters using lavformat ${avfilter_lavf-no}"
2880 echo "network support ${network-no}"
2881 echo "threading support ${thread_type-no}"
2882 echo "SDL support ${sdl-no}"
2883 echo "Sun medialib support ${mlib-no}"
2884 echo "AVISynth enabled ${avisynth-no}"
2885 echo "libdc1394 support ${libdc1394-no}"
2886 echo "libdirac enabled ${libdirac-no}"
2887 echo "libfaac enabled ${libfaac-no}"
2888 echo "libfaad enabled ${libfaad-no}"
2889 echo "libfaad dlopened ${libfaadbin-no}"
2890 echo "libgsm enabled ${libgsm-no}"
2891 echo "libmp3lame enabled ${libmp3lame-no}"
2892 echo "libnut enabled ${libnut-no}"
2893 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2894 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
2895 echo "libopenjpeg enabled ${libopenjpeg-no}"
2896 echo "libschroedinger enabled ${libschroedinger-no}"
2897 echo "libspeex enabled ${libspeex-no}"
2898 echo "libtheora enabled ${libtheora-no}"
2899 echo "libvorbis enabled ${libvorbis-no}"
2900 echo "libx264 enabled ${libx264-no}"
2901 echo "libxvid enabled ${libxvid-no}"
2902 echo "zlib enabled ${zlib-no}"
2903 echo "bzlib enabled ${bzlib-no}"
2904 echo
2905
2906 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
2907 echo "Enabled ${type}s:"
2908 eval list=\$$(toupper $type)_LIST
2909 for part in $list; do
2910 enabled $part && echo ${part%_*}
2911 done | sort | pr -3 -t
2912 echo
2913 done
2914
2915 license="LGPL version 2.1 or later"
2916 if enabled nonfree; then
2917 license="nonfree and unredistributable"
2918 elif enabled gplv3; then
2919 license="GPL version 3 or later"
2920 elif enabled lgplv3; then
2921 license="LGPL version 3 or later"
2922 elif enabled gpl; then
2923 license="GPL version 2 or later"
2924 fi
2925
2926 echo "License: $license"
2927
2928 echo "Creating config.mak and config.h..."
2929
2930 # build tree in object directory if source path is different from current one
2931 if enabled source_path_used; then
2932 DIRS="
2933 doc
2934 libavcodec
2935 libavcodec/$arch
2936 libavdevice
2937 libavfilter
2938 libavformat
2939 libavutil
2940 libavutil/$arch
2941 libpostproc
2942 libswscale
2943 libswscale/$arch
2944 tests
2945 tools
2946 "
2947 FILES="
2948 Makefile
2949 common.mak
2950 subdir.mak
2951 doc/texi2pod.pl
2952 libavcodec/Makefile
2953 libavcodec/${arch}/Makefile
2954 libavdevice/Makefile
2955 libavfilter/Makefile
2956 libavformat/Makefile
2957 libavutil/Makefile
2958 libpostproc/Makefile
2959 libswscale/Makefile
2960 "
2961 map 'mkdir -p $v' $DIRS;
2962 map 'test -f "$source_path/$v" && $ln_s "$source_path/$v" $v' $FILES
2963 fi
2964
2965 enabled stripping || strip="echo skipping strip"
2966
2967 cat > config.mak <<EOF
2968 # Automatically generated by configure - do not modify!
2969 ifndef FFMPEG_CONFIG_MAK
2970 FFMPEG_CONFIG_MAK=1
2971 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
2972 prefix=$prefix
2973 LIBDIR=\$(DESTDIR)$libdir
2974 SHLIBDIR=\$(DESTDIR)$shlibdir
2975 INCDIR=\$(DESTDIR)$incdir
2976 BINDIR=\$(DESTDIR)$bindir
2977 DATADIR=\$(DESTDIR)$datadir
2978 MANDIR=\$(DESTDIR)$mandir
2979 SRC_PATH="$source_path"
2980 SRC_PATH_BARE=$source_path
2981 BUILD_ROOT="$PWD"
2982 ARCH=$arch
2983 CC=$cc
2984 AS=$as
2985 LD=$ld
2986 DEPCC=$dep_cc
2987 YASM=$yasmexe
2988 YASMDEP=$yasmexe
2989 AR=$ar
2990 RANLIB=$ranlib
2991 CP=cp -p
2992 LN_S=$ln_s
2993 STRIP=$strip
2994 CPPFLAGS=$CPPFLAGS
2995 CFLAGS=$CFLAGS
2996 ASFLAGS=$ASFLAGS
2997 CC_O=$CC_O
2998 LDFLAGS=$LDFLAGS
2999 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3000 SHFLAGS=$SHFLAGS
3001 YASMFLAGS=$YASMFLAGS
3002 BUILDSUF=$build_suffix
3003 FULLNAME=$FULLNAME
3004 LIBPREF=$LIBPREF
3005 LIBSUF=$LIBSUF
3006 LIBNAME=$LIBNAME
3007 SLIBPREF=$SLIBPREF
3008 SLIBSUF=$SLIBSUF
3009 EXESUF=$EXESUF
3010 EXTRA_VERSION=$extra_version
3011 DEPFLAGS=$DEPFLAGS
3012 CCDEP=$CCDEP
3013 ASDEP=$ASDEP
3014 CC_DEPFLAGS=$CC_DEPFLAGS
3015 AS_DEPFLAGS=$AS_DEPFLAGS
3016 HOSTCC=$host_cc
3017 HOSTCFLAGS=$host_cflags
3018 HOSTEXESUF=$HOSTEXESUF
3019 HOSTLDFLAGS=$host_ldflags
3020 HOSTLIBS=$host_libs
3021 TARGET_EXEC=$target_exec
3022 TARGET_PATH=$target_path
3023 SDL_LIBS=$sdl_libs
3024 SDL_CFLAGS=$sdl_cflags
3025 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3026 EXTRALIBS=$extralibs
3027 INSTALL=install
3028 LIBTARGET=${LIBTARGET}
3029 SLIBNAME=${SLIBNAME}
3030 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3031 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3032 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3033 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3034 SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
3035 SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
3036 SAMPLES=$samples
3037 EOF
3038
3039 get_version(){
3040 name=$1
3041 file=$source_path/$2
3042 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3043 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3044 lcname=$(tolower $name)
3045 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3046 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3047 }
3048
3049 get_version LIBSWSCALE libswscale/swscale.h
3050 get_version LIBPOSTPROC libpostproc/postprocess.h
3051 get_version LIBAVCODEC libavcodec/avcodec.h
3052 get_version LIBAVDEVICE libavdevice/avdevice.h
3053 get_version LIBAVFORMAT libavformat/avformat.h
3054 get_version LIBAVUTIL libavutil/avutil.h
3055 get_version LIBAVFILTER libavfilter/avfilter.h
3056
3057 enabled asmalign_pot || align_shift="1 <<"
3058
3059 cat > $TMPH <<EOF
3060 /* Automatically generated by configure - do not modify! */
3061 #ifndef FFMPEG_CONFIG_H
3062 #define FFMPEG_CONFIG_H
3063 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3064 #define FFMPEG_LICENSE "$(c_escape $license)"
3065 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3066 #define CC_TYPE "$cc_type"
3067 #define CC_VERSION $cc_version
3068 #define restrict $_restrict
3069 #define ASMALIGN(ZEROBITS) ".align $align_shift " #ZEROBITS "\\n\\t"
3070 #define EXTERN_PREFIX "${extern_prefix}"
3071 #define EXTERN_ASM ${extern_prefix}
3072 EOF
3073
3074 test -n "$malloc_prefix" &&
3075 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3076
3077 if enabled small || disabled optimizations; then
3078 echo "#undef av_always_inline" >> $TMPH
3079 echo "#define av_always_inline" >> $TMPH
3080 fi
3081
3082 print_config ARCH_ $TMPH config.mak $ARCH_LIST
3083 print_config HAVE_ $TMPH config.mak $HAVE_LIST
3084 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
3085 $CONFIG_EXTRA \
3086 $DECODER_LIST \
3087 $ENCODER_LIST \
3088 $HWACCEL_LIST \
3089 $PARSER_LIST \
3090 $BSF_LIST \
3091 $DEMUXER_LIST \
3092 $MUXER_LIST \
3093 $FILTER_LIST \
3094 $PROTOCOL_LIST \
3095 $INDEV_LIST \
3096 $OUTDEV_LIST \
3097
3098 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3099 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3100
3101 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3102 cp_if_changed $TMPH config.h
3103
3104 cat > $TMPH <<EOF
3105 /* Generated by ffconf */
3106 #ifndef AVUTIL_AVCONFIG_H
3107 #define AVUTIL_AVCONFIG_H
3108 EOF
3109
3110 print_config AV_HAVE_ $TMPH /dev/null $HAVE_LIST_PUB
3111
3112 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3113
3114 cp_if_changed $TMPH libavutil/avconfig.h
3115
3116 # build pkg-config files
3117
3118 pkgconfig_generate(){
3119 name=$1
3120 shortname=${name#lib}${build_suffix}
3121 comment=$2
3122 version=$3
3123 libs=$4
3124 requires=$5
3125 cat <<EOF > $name/$name.pc
3126 prefix=$prefix
3127 exec_prefix=\${prefix}
3128 libdir=$libdir
3129 includedir=$incdir
3130
3131 Name: $name
3132 Description: $comment
3133 Version: $version
3134 Requires: $(enabled shared || echo $requires)
3135 Requires.private: $(enabled shared && echo $requires)
3136 Conflicts:
3137 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3138 Libs.private: $(enabled shared && echo $libs)
3139 Cflags: -I\${includedir}
3140 EOF
3141 cat <<EOF > $name/$name-uninstalled.pc
3142 prefix=
3143 exec_prefix=
3144 libdir=\${pcfiledir}
3145 includedir=${source_path}
3146
3147 Name: $name
3148 Description: $comment
3149 Version: $version
3150 Requires: $requires
3151 Conflicts:
3152 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3153 Cflags: -I\${includedir}
3154 EOF
3155 }
3156
3157 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
3158 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3159 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3160 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3161 enabled avfilter &&
3162 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3163 enabled postproc &&
3164 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
3165 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"