aacdec: pass avctx as logging context for decode_audio_specific_config
[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.log]
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-avcore disable libavcore build
90 --disable-avformat disable libavformat build
91 --disable-swscale disable libswscale build
92 --enable-postproc enable GPLed postprocessing support [no]
93 --disable-avfilter disable video filter support [no]
94 --disable-pthreads disable pthreads [auto]
95 --enable-w32threads use Win32 threads [no]
96 --enable-x11grab enable X11 grabbing [no]
97 --disable-network disable network support [no]
98 --disable-mpegaudio-hp faster (but less accurate) MPEG audio decoding [no]
99 --enable-gray enable full grayscale support (slower color)
100 --disable-swscale-alpha disable alpha channel support in swscale
101 --disable-fastdiv disable table-based division
102 --enable-small optimize for size instead of speed
103 --disable-aandct disable AAN DCT code
104 --disable-dct disable DCT code
105 --disable-fft disable FFT code
106 --disable-golomb disable Golomb code
107 --disable-huffman disable Huffman code
108 --disable-lpc disable LPC code
109 --disable-mdct disable MDCT code
110 --disable-rdft disable RDFT code
111 --disable-vaapi disable VAAPI code
112 --disable-vdpau disable VDPAU code
113 --disable-dxva2 disable DXVA2 code
114 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
115 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
116 --enable-memalign-hack emulate memalign, interferes with memory debuggers
117 --disable-everything disable all components listed below
118 --disable-encoder=NAME disable encoder NAME
119 --enable-encoder=NAME enable encoder NAME
120 --disable-encoders disable all encoders
121 --disable-decoder=NAME disable decoder NAME
122 --enable-decoder=NAME enable decoder NAME
123 --disable-decoders disable all decoders
124 --disable-hwaccel=NAME disable hwaccel NAME
125 --enable-hwaccel=NAME enable hwaccel NAME
126 --disable-hwaccels disable all hwaccels
127 --disable-muxer=NAME disable muxer NAME
128 --enable-muxer=NAME enable muxer NAME
129 --disable-muxers disable all muxers
130 --disable-demuxer=NAME disable demuxer NAME
131 --enable-demuxer=NAME enable demuxer NAME
132 --disable-demuxers disable all demuxers
133 --enable-parser=NAME enable parser NAME
134 --disable-parser=NAME disable parser NAME
135 --disable-parsers disable all parsers
136 --enable-bsf=NAME enable bitstream filter NAME
137 --disable-bsf=NAME disable bitstream filter NAME
138 --disable-bsfs disable all bitstream filters
139 --enable-protocol=NAME enable protocol NAME
140 --disable-protocol=NAME disable protocol NAME
141 --disable-protocols disable all protocols
142 --disable-indev=NAME disable input device NAME
143 --disable-outdev=NAME disable output device NAME
144 --disable-indevs disable input devices
145 --disable-outdevs disable output devices
146 --disable-devices disable all devices
147 --enable-filter=NAME enable filter NAME
148 --disable-filter=NAME disable filter NAME
149 --disable-filters disable all filters
150 --list-decoders show all available decoders
151 --list-encoders show all available encoders
152 --list-hwaccels show all available hardware accelerators
153 --list-muxers show all available muxers
154 --list-demuxers show all available demuxers
155 --list-parsers show all available parsers
156 --list-protocols show all available protocols
157 --list-bsfs show all available bitstream filters
158 --list-indevs show all available input devices
159 --list-outdevs show all available output devices
160 --list-filters show all available filters
161
162 External library support:
163 --enable-avisynth enable reading of AVISynth script files [no]
164 --enable-bzlib enable bzlib [autodetect]
165 --enable-frei0r enable frei0r video filtering
166 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
167 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
168 --enable-libopencv enable video filtering via libopencv [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-libgsm enable GSM support via libgsm [no]
174 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
175 --enable-libnut enable NUT (de)muxing via libnut,
176 native (de)muxer exists [no]
177 --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]
178 --enable-librtmp enable RTMP[E] support via librtmp [no]
179 --enable-libschroedinger enable Dirac support via libschroedinger [no]
180 --enable-libspeex enable Speex decoding via libspeex [no]
181 --enable-libtheora enable Theora encoding via libtheora [no]
182 --enable-libvorbis enable Vorbis encoding via libvorbis,
183 native implementation exists [no]
184 --enable-libvpx enable VP8 support via libvpx [no]
185 --enable-libx264 enable H.264 encoding via x264 [no]
186 --enable-libxavs enable AVS encoding via xavs [no]
187 --enable-libxvid enable Xvid encoding via xvidcore,
188 native MPEG-4/Xvid encoder exists [no]
189 --enable-mlib enable Sun medialib [no]
190 --enable-zlib enable zlib [autodetect]
191
192 Advanced options (experts only):
193 --source-path=PATH path to source code [$source_path]
194 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
195 --enable-cross-compile assume a cross-compiler is used
196 --sysroot=PATH root of cross-build tree
197 --sysinclude=PATH location of cross-build system headers
198 --target-os=OS compiler targets OS [$target_os]
199 --target-exec=CMD command to run executables on target
200 --target-path=DIR path to view of build directory on target
201 --nm=NM use nm tool
202 --ar=AR use archive tool AR [$ar_default]
203 --as=AS use assembler AS [$as_default]
204 --cc=CC use C compiler CC [$cc_default]
205 --ld=LD use linker LD
206 --host-cc=HOSTCC use host C compiler HOSTCC
207 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
208 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
209 --host-libs=HLIBS use libs HLIBS when linking for host
210 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
211 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
212 --extra-libs=ELIBS add ELIBS [$ELIBS]
213 --extra-version=STRING version string suffix []
214 --build-suffix=SUFFIX library name suffix []
215 --arch=ARCH select architecture [$arch]
216 --cpu=CPU select the minimum required CPU (affects
217 instruction selection, may crash on older CPUs)
218 --disable-asm disable all assembler optimizations
219 --disable-altivec disable AltiVec optimizations
220 --disable-amd3dnow disable 3DNow! optimizations
221 --disable-amd3dnowext disable 3DNow! extended optimizations
222 --disable-mmx disable MMX optimizations
223 --disable-mmx2 disable MMX2 optimizations
224 --disable-sse disable SSE optimizations
225 --disable-ssse3 disable SSSE3 optimizations
226 --disable-armv5te disable armv5te optimizations
227 --disable-armv6 disable armv6 optimizations
228 --disable-armv6t2 disable armv6t2 optimizations
229 --disable-armvfp disable ARM VFP optimizations
230 --disable-iwmmxt disable iwmmxt optimizations
231 --disable-mmi disable MMI optimizations
232 --disable-neon disable neon optimizations
233 --disable-vis disable VIS optimizations
234 --disable-yasm disable use of yasm assembler
235 --enable-pic build position-independent code
236 --malloc-prefix=PFX prefix malloc and related names with PFX
237 --enable-sram allow use of on-chip SRAM
238
239 Developer options (useful when working on FFmpeg itself):
240 --disable-debug disable debugging symbols
241 --enable-debug=LEVEL set the debug level [$debuglevel]
242 --disable-optimizations disable compiler optimizations
243 --enable-extra-warnings enable more compiler warnings
244 --disable-stripping disable stripping of executables and shared libraries
245 --samples=PATH location of test samples for FATE
246
247 NOTE: Object files are built at the place where configure is launched.
248 EOF
249 exit 0
250 }
251
252 quotes='""'
253
254 log(){
255 echo "$@" >> $logfile
256 }
257
258 log_file(){
259 log BEGIN $1
260 pr -n -t $1 >> $logfile
261 log END $1
262 }
263
264 echolog(){
265 log "$@"
266 echo "$@"
267 }
268
269 warn(){
270 log "WARNING: $*"
271 WARNINGS="${WARNINGS}WARNING: $*\n"
272 }
273
274 die(){
275 echolog "$@"
276 cat <<EOF
277
278 If you think configure made a mistake, make sure you are using the latest
279 version from SVN. If the latest version fails, report the problem to the
280 ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
281 EOF
282 if disabled logging; then
283 cat <<EOF
284 Rerun configure with logging enabled (do not use --disable-logging), and
285 include the log this produces with your report.
286 EOF
287 else
288 cat <<EOF
289 Include the log file "$logfile" produced by configure as this will help
290 solving the problem.
291 EOF
292 fi
293 exit 1
294 }
295
296 # Avoid locale weirdness, besides we really just want to translate ASCII.
297 toupper(){
298 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
299 }
300
301 tolower(){
302 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
303 }
304
305 c_escape(){
306 echo "$*" | sed 's/["\\]/\\\0/g'
307 }
308
309 sh_quote(){
310 v=$(echo "$1" | sed "s/'/'\\\\''/g")
311 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
312 echo "$v"
313 }
314
315 filter(){
316 pat=$1
317 shift
318 for v; do
319 eval "case $v in $pat) echo $v ;; esac"
320 done
321 }
322
323 map(){
324 m=$1
325 shift
326 for v; do eval $m; done
327 }
328
329 set_all(){
330 value=$1
331 shift
332 for var in $*; do
333 eval $var=$value
334 done
335 }
336
337 set_weak(){
338 value=$1
339 shift
340 for var; do
341 eval : \${$var:=$value}
342 done
343 }
344
345 pushvar(){
346 for var in $*; do
347 eval level=\${${var}_level:=0}
348 eval ${var}_${level}="\$$var"
349 eval ${var}_level=$(($level+1))
350 done
351 }
352
353 popvar(){
354 for var in $*; do
355 eval level=\${${var}_level:-0}
356 test $level = 0 && continue
357 eval level=$(($level-1))
358 eval $var="\${${var}_${level}}"
359 eval ${var}_level=$level
360 eval unset ${var}_${level}
361 done
362 }
363
364 enable(){
365 set_all yes $*
366 }
367
368 disable(){
369 set_all no $*
370 }
371
372 enable_weak(){
373 set_weak yes $*
374 }
375
376 disable_weak(){
377 set_weak no $*
378 }
379
380 enable_safe(){
381 for var; do
382 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
383 done
384 }
385
386 disable_safe(){
387 for var; do
388 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
389 done
390 }
391
392 do_enable_deep(){
393 for var; do
394 enabled $var && continue
395 eval sel="\$${var}_select"
396 eval sgs="\$${var}_suggest"
397 pushvar var sgs
398 enable_deep $sel
399 popvar sgs
400 enable_deep_weak $sgs
401 popvar var
402 done
403 }
404
405 enable_deep(){
406 do_enable_deep $*
407 enable $*
408 }
409
410 enable_deep_weak(){
411 do_enable_deep $*
412 enable_weak $*
413 }
414
415 enabled(){
416 test "${1#!}" = "$1" && op== || op=!=
417 eval test "x\$${1#!}" $op "xyes"
418 }
419
420 disabled(){
421 test "${1#!}" = "$1" && op== || op=!=
422 eval test "x\$${1#!}" $op "xno"
423 }
424
425 enabled_all(){
426 for opt; do
427 enabled $opt || return 1
428 done
429 }
430
431 disabled_all(){
432 for opt; do
433 disabled $opt || return 1
434 done
435 }
436
437 enabled_any(){
438 for opt; do
439 enabled $opt && return 0
440 done
441 }
442
443 disabled_any(){
444 for opt; do
445 disabled $opt && return 0
446 done
447 return 1
448 }
449
450 set_default(){
451 for opt; do
452 eval : \${$opt:=\$${opt}_default}
453 done
454 }
455
456 is_in(){
457 value=$1
458 shift
459 for var in $*; do
460 [ $var = $value ] && return 0
461 done
462 return 1
463 }
464
465 check_deps(){
466 for cfg; do
467 cfg="${cfg#!}"
468 enabled ${cfg}_checking && die "Circular dependency for $cfg."
469 disabled ${cfg}_checking && continue
470 enable ${cfg}_checking
471
472 eval dep_all="\$${cfg}_deps"
473 eval dep_any="\$${cfg}_deps_any"
474 eval dep_sel="\$${cfg}_select"
475 eval dep_sgs="\$${cfg}_suggest"
476 eval dep_ifa="\$${cfg}_if"
477 eval dep_ifn="\$${cfg}_if_any"
478
479 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
480 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
481 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
482
483 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
484 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
485 enabled_all $dep_all || disable $cfg
486 enabled_any $dep_any || disable $cfg
487 disabled_any $dep_sel && disable $cfg
488
489 if enabled $cfg; then
490 eval dep_extralibs="\$${cfg}_extralibs"
491 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
492 enable_deep $dep_sel
493 enable_deep_weak $dep_sgs
494 fi
495
496 disable ${cfg}_checking
497 done
498 }
499
500 print_config_h(){
501 enabled $1 && v=1 || v=0
502 echo "#define $2 $v"
503 }
504
505 print_config_mak(){
506 enabled $1 && v= || v=!
507 echo "$v$2=yes"
508 }
509
510 print_config_asm(){
511 enabled $1 && echo "%define $2"
512 }
513
514 print_config(){
515 pfx=$1
516 files=$2
517 shift 2
518 for cfg; do
519 ucname="$(toupper $cfg)"
520 for f in $files; do
521 "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
522 done
523 done
524 }
525
526 print_enabled(){
527 test "$1" = -n && end=" " && shift || end="\n"
528 suf=$1
529 shift
530 for v; do
531 enabled $v && printf "%s$end" ${v%$suf};
532 done
533 }
534
535 append(){
536 var=$1
537 shift
538 eval "$var=\"\$$var $*\""
539 }
540
541 prepend(){
542 var=$1
543 shift
544 eval "$var=\"$* \$$var\""
545 }
546
547 add_cppflags(){
548 append CPPFLAGS $($filter_cppflags "$@")
549 }
550
551 add_cflags(){
552 append CFLAGS $($filter_cflags "$@")
553 }
554
555 add_asflags(){
556 append ASFLAGS $($filter_asflags "$@")
557 }
558
559 add_ldflags(){
560 append LDFLAGS "$@"
561 }
562
563 add_extralibs(){
564 prepend extralibs "$@"
565 }
566
567 check_cmd(){
568 log "$@"
569 "$@" >> $logfile 2>&1
570 }
571
572 check_cc(){
573 log check_cc "$@"
574 cat > $TMPC
575 log_file $TMPC
576 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
577 }
578
579 check_cpp(){
580 log check_cpp "$@"
581 cat > $TMPC
582 log_file $TMPC
583 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
584 }
585
586 check_as(){
587 log check_as "$@"
588 cat > $TMPC
589 log_file $TMPC
590 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
591 }
592
593 check_asm(){
594 log check_asm "$@"
595 name="$1"
596 code="$2"
597 shift 2
598 disable $name
599 check_as "$@" <<EOF && enable $name
600 void foo(void){ __asm__ volatile($code); }
601 EOF
602 }
603
604 check_yasm(){
605 log check_yasm "$@"
606 echo "$1" > $TMPS
607 log_file $TMPS
608 shift 1
609 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
610 }
611
612 check_ld(){
613 log check_ld "$@"
614 flags=''
615 libs=''
616 for f; do
617 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
618 done
619 check_cc $($filter_cflags $flags) || return
620 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
621 }
622
623 check_cppflags(){
624 log check_cppflags "$@"
625 set -- $($filter_cppflags "$@")
626 check_cc "$@" <<EOF && append CPPFLAGS "$@"
627 int x;
628 EOF
629 }
630
631 check_cflags(){
632 log check_cflags "$@"
633 set -- $($filter_cflags "$@")
634 check_cc "$@" <<EOF && append CFLAGS "$@"
635 int x;
636 EOF
637 }
638
639 test_ldflags(){
640 log test_ldflags "$@"
641 check_ld "$@" <<EOF
642 int main(void){ return 0; }
643 EOF
644 }
645
646 check_ldflags(){
647 log check_ldflags "$@"
648 test_ldflags "$@" && add_ldflags "$@"
649 }
650
651 check_header(){
652 log check_header "$@"
653 header=$1
654 shift
655 disable_safe $header
656 check_cpp "$@" <<EOF && enable_safe $header
657 #include <$header>
658 int x;
659 EOF
660 }
661
662 check_func(){
663 log check_func "$@"
664 func=$1
665 shift
666 disable $func
667 check_ld "$@" <<EOF && enable $func
668 extern int $func();
669 int main(void){ $func(); }
670 EOF
671 }
672
673 check_mathfunc(){
674 log check_mathfunc "$@"
675 func=$1
676 shift
677 disable $func
678 check_ld "$@" <<EOF && enable $func
679 #include <math.h>
680 float foo(float f) { return $func(f); }
681 int main(void){ return 0; }
682 EOF
683 }
684
685 check_func_headers(){
686 log check_func_headers "$@"
687 headers=$1
688 func=$2
689 shift 2
690 disable $func
691 incs=""
692 for hdr in $headers; do
693 incs="$incs
694 #include <$hdr>"
695 done
696 check_ld "$@" <<EOF && enable $func && enable_safe $headers
697 $incs
698 int main(int argc, char **argv){
699 return (long) $func;
700 }
701 EOF
702 }
703
704 check_cpp_condition(){
705 log check_cpp_condition "$@"
706 header=$1
707 condition=$2
708 shift 2
709 check_cpp $($filter_cppflags "$@") <<EOF
710 #include <$header>
711 #if !($condition)
712 #error "unsatisfied condition: $condition"
713 #endif
714 EOF
715 }
716
717 check_lib(){
718 log check_lib "$@"
719 header="$1"
720 func="$2"
721 shift 2
722 check_header $header && check_func $func "$@" && add_extralibs "$@"
723 }
724
725 check_lib2(){
726 log check_lib2 "$@"
727 headers="$1"
728 func="$2"
729 shift 2
730 check_func_headers "$headers" $func "$@" && add_extralibs "$@"
731 }
732
733 check_exec(){
734 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
735 }
736
737 check_exec_crash(){
738 code=$(cat)
739
740 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
741 # are safe but may not be available everywhere. Thus we use
742 # raise(SIGTERM) instead. The check is run in a subshell so we
743 # can redirect the "Terminated" message from the shell. SIGBUS
744 # is not defined by standard C so it is used conditionally.
745
746 (check_exec "$@") >> $logfile 2>&1 <<EOF
747 #include <signal.h>
748 static void sighandler(int sig){
749 raise(SIGTERM);
750 }
751 int main(void){
752 signal(SIGILL, sighandler);
753 signal(SIGFPE, sighandler);
754 signal(SIGSEGV, sighandler);
755 #ifdef SIGBUS
756 signal(SIGBUS, sighandler);
757 #endif
758 { $code }
759 }
760 EOF
761 }
762
763 check_type(){
764 log check_type "$@"
765 headers=$1
766 type=$2
767 shift 2
768 disable_safe "$type"
769 incs=""
770 for hdr in $headers; do
771 incs="$incs
772 #include <$hdr>"
773 done
774 check_cc "$@" <<EOF && enable_safe "$type"
775 $incs
776 $type v;
777 EOF
778 }
779
780 check_struct(){
781 log check_type "$@"
782 headers=$1
783 struct=$2
784 member=$3
785 shift 3
786 disable_safe "${struct}_${member}"
787 incs=""
788 for hdr in $headers; do
789 incs="$incs
790 #include <$hdr>"
791 done
792 check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
793 $incs
794 const void *p = &(($struct *)0)->$member;
795 EOF
796 }
797
798 require(){
799 name="$1"
800 header="$2"
801 func="$3"
802 shift 3
803 check_lib $header $func "$@" || die "ERROR: $name not found"
804 }
805
806 require2(){
807 name="$1"
808 headers="$2"
809 func="$3"
810 shift 3
811 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
812 }
813
814 check_host_cc(){
815 log check_host_cc "$@"
816 cat > $TMPC
817 log_file $TMPC
818 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
819 }
820
821 check_host_cflags(){
822 log check_host_cflags "$@"
823 check_host_cc "$@" <<EOF && append host_cflags "$@"
824 int x;
825 EOF
826 }
827
828 apply(){
829 file=$1
830 shift
831 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
832 }
833
834 cp_if_changed(){
835 cmp -s "$1" "$2" &&
836 echo "$2 is unchanged" ||
837 cp -f "$1" "$2"
838 }
839
840 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
841 # system-dependent things.
842
843 COMPONENT_LIST="
844 bsfs
845 decoders
846 demuxers
847 encoders
848 filters
849 hwaccels
850 indevs
851 muxers
852 outdevs
853 parsers
854 protocols
855 "
856
857 CONFIG_LIST="
858 $COMPONENT_LIST
859 aandct
860 avcodec
861 avcore
862 avdevice
863 avfilter
864 avformat
865 avisynth
866 bzlib
867 dct
868 doc
869 dwt
870 dxva2
871 fastdiv
872 ffmpeg
873 ffplay
874 ffprobe
875 ffserver
876 fft
877 frei0r
878 golomb
879 gpl
880 gray
881 h264dsp
882 h264pred
883 hardcoded_tables
884 huffman
885 libdc1394
886 libdirac
887 libfaac
888 libgsm
889 libmp3lame
890 libnut
891 libopencore_amrnb
892 libopencore_amrwb
893 libopencv
894 libopenjpeg
895 librtmp
896 libschroedinger
897 libspeex
898 libtheora
899 libvorbis
900 libvpx
901 libx264
902 libxavs
903 libxvid
904 lpc
905 lsp
906 mdct
907 memalign_hack
908 mlib
909 mpegaudio_hp
910 network
911 nonfree
912 pic
913 postproc
914 rdft
915 rtpdec
916 runtime_cpudetect
917 shared
918 small
919 sram
920 static
921 swscale
922 swscale_alpha
923 vaapi
924 vdpau
925 version3
926 x11grab
927 zlib
928 "
929
930 THREADS_LIST='
931 pthreads
932 w32threads
933 '
934
935 ARCH_LIST='
936 alpha
937 arm
938 avr32
939 avr32_ap
940 avr32_uc
941 bfin
942 ia64
943 m68k
944 mips
945 mips64
946 parisc
947 ppc
948 ppc64
949 s390
950 sh4
951 sparc
952 sparc64
953 tomi
954 x86
955 x86_32
956 x86_64
957 '
958
959 ARCH_EXT_LIST='
960 altivec
961 amd3dnow
962 amd3dnowext
963 armv5te
964 armv6
965 armv6t2
966 armvfp
967 iwmmxt
968 mmi
969 mmx
970 mmx2
971 neon
972 ppc4xx
973 sse
974 ssse3
975 vis
976 '
977
978 HAVE_LIST_PUB='
979 bigendian
980 fast_unaligned
981 '
982
983 HAVE_LIST="
984 $ARCH_EXT_LIST
985 $HAVE_LIST_PUB
986 $THREADS_LIST
987 aligned_stack
988 alsa_asoundlib_h
989 altivec_h
990 arpa_inet_h
991 attribute_may_alias
992 attribute_packed
993 bswap
994 closesocket
995 cmov
996 conio_h
997 dcbzl
998 dev_bktr_ioctl_bt848_h
999 dev_bktr_ioctl_meteor_h
1000 dev_ic_bt8xx_h
1001 dev_video_meteor_ioctl_meteor_h
1002 dev_video_bktr_ioctl_bt848_h
1003 dlfcn_h
1004 dlopen
1005 dos_paths
1006 ebp_available
1007 ebx_available
1008 exp2
1009 exp2f
1010 fast_64bit
1011 fast_clz
1012 fast_cmov
1013 fcntl
1014 fork
1015 getaddrinfo
1016 gethrtime
1017 GetProcessMemoryInfo
1018 GetProcessTimes
1019 getrusage
1020 gnu_as
1021 struct_rusage_ru_maxrss
1022 ibm_asm
1023 inet_aton
1024 inline_asm
1025 isatty
1026 ldbrx
1027 libdc1394_1
1028 libdc1394_2
1029 llrint
1030 llrintf
1031 local_aligned_16
1032 local_aligned_8
1033 log2
1034 log2f
1035 loongson
1036 lrint
1037 lrintf
1038 lzo1x_999_compress
1039 machine_ioctl_bt848_h
1040 machine_ioctl_meteor_h
1041 malloc_h
1042 memalign
1043 mkstemp
1044 pld
1045 posix_memalign
1046 round
1047 roundf
1048 sdl
1049 sdl_video_size
1050 setmode
1051 socklen_t
1052 soundcard_h
1053 poll_h
1054 setrlimit
1055 strerror_r
1056 strtok_r
1057 struct_addrinfo
1058 struct_ipv6_mreq
1059 struct_sockaddr_in6
1060 struct_sockaddr_sa_len
1061 struct_sockaddr_storage
1062 symver
1063 symver_gnu_asm
1064 symver_asm_label
1065 sys_mman_h
1066 sys_resource_h
1067 sys_select_h
1068 sys_soundcard_h
1069 sys_videoio_h
1070 ten_operands
1071 termios_h
1072 threads
1073 truncf
1074 vfp_args
1075 VirtualAlloc
1076 winsock2_h
1077 xform_asm
1078 xmm_clobbers
1079 yasm
1080 "
1081
1082 # options emitted with CONFIG_ prefix but not available on command line
1083 CONFIG_EXTRA="
1084 avutil
1085 gplv3
1086 lgplv3
1087 "
1088
1089 CMDLINE_SELECT="
1090 $ARCH_EXT_LIST
1091 $CONFIG_LIST
1092 $THREADS_LIST
1093 asm
1094 cross_compile
1095 debug
1096 extra_warnings
1097 logging
1098 optimizations
1099 stripping
1100 yasm
1101 "
1102
1103 PATHS_LIST='
1104 bindir
1105 datadir
1106 incdir
1107 libdir
1108 mandir
1109 prefix
1110 shlibdir
1111 '
1112
1113 CMDLINE_SET="
1114 $PATHS_LIST
1115 ar
1116 arch
1117 as
1118 build_suffix
1119 cc
1120 cpu
1121 cross_prefix
1122 dep_cc
1123 extra_version
1124 host_cc
1125 host_cflags
1126 host_ldflags
1127 host_libs
1128 host_os
1129 ld
1130 logfile
1131 malloc_prefix
1132 nm
1133 samples
1134 source_path
1135 strip
1136 sysinclude
1137 sysroot
1138 target_exec
1139 target_os
1140 target_path
1141 "
1142
1143 CMDLINE_APPEND="
1144 extra_cflags
1145 "
1146
1147 # code dependency declarations
1148
1149 # architecture extensions
1150
1151 armv5te_deps="arm"
1152 armv6_deps="arm"
1153 armv6t2_deps="arm"
1154 armvfp_deps="arm"
1155 iwmmxt_deps="arm"
1156 neon_deps="arm"
1157
1158 mmi_deps="mips"
1159
1160 altivec_deps="ppc"
1161 ppc4xx_deps="ppc"
1162
1163 vis_deps="sparc"
1164
1165 x86_64_suggest="cmov fast_cmov"
1166 amd3dnow_deps="mmx"
1167 amd3dnowext_deps="amd3dnow"
1168 mmx_deps="x86"
1169 mmx2_deps="mmx"
1170 sse_deps="mmx"
1171 ssse3_deps="sse"
1172
1173 aligned_stack_if_any="ppc x86"
1174 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1175 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1176 fast_unaligned_if_any="armv6 ppc x86"
1177
1178 need_memalign="altivec neon sse"
1179 inline_asm_deps="!tms470"
1180
1181 symver_if_any="symver_asm_label symver_gnu_asm"
1182
1183 # subsystems
1184 dct_select="rdft"
1185 mdct_select="fft"
1186 rdft_select="fft"
1187
1188 # decoders / encoders / hardware accelerators
1189 aac_decoder_select="mdct rdft"
1190 aac_encoder_select="mdct"
1191 ac3_decoder_select="mdct ac3_parser"
1192 alac_encoder_select="lpc"
1193 amrnb_decoder_select="lsp"
1194 atrac1_decoder_select="mdct"
1195 atrac3_decoder_select="mdct"
1196 binkaudio_dct_decoder_select="mdct rdft dct"
1197 binkaudio_rdft_decoder_select="mdct rdft"
1198 cavs_decoder_select="golomb"
1199 cook_decoder_select="mdct"
1200 cscd_decoder_suggest="zlib"
1201 dca_decoder_select="mdct"
1202 dnxhd_encoder_select="aandct"
1203 dxa_decoder_select="zlib"
1204 eac3_decoder_select="ac3_decoder"
1205 eamad_decoder_select="aandct"
1206 eatgq_decoder_select="aandct"
1207 eatqi_decoder_select="aandct"
1208 ffv1_decoder_select="golomb"
1209 flac_decoder_select="golomb"
1210 flac_encoder_select="golomb lpc"
1211 flashsv_decoder_select="zlib"
1212 flashsv_encoder_select="zlib"
1213 flv_decoder_select="h263_decoder"
1214 flv_encoder_select="h263_encoder"
1215 fraps_decoder_select="huffman"
1216 h261_encoder_select="aandct"
1217 h263_decoder_select="h263_parser"
1218 h263_encoder_select="aandct"
1219 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1220 h263i_decoder_select="h263_decoder"
1221 h263p_encoder_select="h263_encoder"
1222 h264_decoder_select="golomb h264dsp h264pred"
1223 h264_dxva2_hwaccel_deps="dxva2api_h"
1224 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1225 h264_vaapi_hwaccel_select="vaapi"
1226 h264_vdpau_decoder_select="vdpau h264_decoder"
1227 imc_decoder_select="fft mdct"
1228 jpegls_decoder_select="golomb"
1229 jpegls_encoder_select="golomb"
1230 ljpeg_encoder_select="aandct"
1231 loco_decoder_select="golomb"
1232 mjpeg_encoder_select="aandct"
1233 mlp_decoder_select="mlp_parser"
1234 mp1float_decoder_select="dct"
1235 mp2float_decoder_select="dct"
1236 mp3adufloat_decoder_select="dct"
1237 mp3float_decoder_select="dct"
1238 mp3on4float_decoder_select="dct"
1239 mpeg1video_encoder_select="aandct"
1240 mpeg2video_encoder_select="aandct"
1241 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1242 mpeg4_encoder_select="h263_encoder"
1243 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1244 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1245 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1246 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1247 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1248 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1249 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1250 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1251 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1252 msmpeg4v1_decoder_select="h263_decoder"
1253 msmpeg4v1_encoder_select="h263_encoder"
1254 msmpeg4v2_decoder_select="h263_decoder"
1255 msmpeg4v2_encoder_select="h263_encoder"
1256 msmpeg4v3_decoder_select="h263_decoder"
1257 msmpeg4v3_encoder_select="h263_encoder"
1258 nellymoser_decoder_select="mdct"
1259 nellymoser_encoder_select="mdct"
1260 png_decoder_select="zlib"
1261 png_encoder_select="zlib"
1262 qcelp_decoder_select="lsp"
1263 qdm2_decoder_select="mdct rdft"
1264 ra_144_encoder_select="lpc"
1265 rv10_decoder_select="h263_decoder"
1266 rv10_encoder_select="h263_encoder"
1267 rv20_decoder_select="h263_decoder"
1268 rv20_encoder_select="h263_encoder"
1269 rv30_decoder_select="golomb h264pred"
1270 rv40_decoder_select="golomb h264pred"
1271 shorten_decoder_select="golomb"
1272 sipr_decoder_select="lsp"
1273 snow_decoder_select="dwt"
1274 snow_encoder_select="aandct dwt"
1275 sonic_decoder_select="golomb"
1276 sonic_encoder_select="golomb"
1277 sonic_ls_encoder_select="golomb"
1278 svq1_encoder_select="aandct"
1279 svq3_decoder_select="golomb h264dsp h264pred"
1280 svq3_decoder_suggest="zlib"
1281 theora_decoder_select="vp3_decoder"
1282 tiff_decoder_suggest="zlib"
1283 tiff_encoder_suggest="zlib"
1284 truehd_decoder_select="mlp_decoder"
1285 tscc_decoder_select="zlib"
1286 twinvq_decoder_select="mdct lsp"
1287 vc1_decoder_select="h263_decoder"
1288 vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
1289 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1290 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1291 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1292 vorbis_decoder_select="mdct"
1293 vorbis_encoder_select="mdct"
1294 vp6_decoder_select="huffman"
1295 vp6a_decoder_select="vp6_decoder"
1296 vp6f_decoder_select="vp6_decoder"
1297 vp8_decoder_select="h264pred"
1298 wmapro_decoder_select="mdct"
1299 wmav1_decoder_select="mdct"
1300 wmav1_encoder_select="mdct"
1301 wmav2_decoder_select="mdct"
1302 wmav2_encoder_select="mdct"
1303 wmavoice_decoder_select="lsp rdft dct mdct"
1304 wmv1_decoder_select="h263_decoder"
1305 wmv1_encoder_select="h263_encoder"
1306 wmv2_decoder_select="h263_decoder"
1307 wmv2_encoder_select="h263_encoder"
1308 wmv3_decoder_select="vc1_decoder"
1309 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1310 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1311 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1312 zlib_decoder_select="zlib"
1313 zlib_encoder_select="zlib"
1314 zmbv_decoder_select="zlib"
1315 zmbv_encoder_select="zlib"
1316
1317 vaapi_deps="va_va_h"
1318 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1319
1320 # parsers
1321 h264_parser_select="golomb h264dsp h264pred"
1322
1323 # external libraries
1324 libdirac_decoder_deps="libdirac !libschroedinger"
1325 libdirac_encoder_deps="libdirac"
1326 libfaac_encoder_deps="libfaac"
1327 libgsm_decoder_deps="libgsm"
1328 libgsm_encoder_deps="libgsm"
1329 libgsm_ms_decoder_deps="libgsm"
1330 libgsm_ms_encoder_deps="libgsm"
1331 libmp3lame_encoder_deps="libmp3lame"
1332 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1333 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1334 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1335 libopenjpeg_decoder_deps="libopenjpeg"
1336 libschroedinger_decoder_deps="libschroedinger"
1337 libschroedinger_encoder_deps="libschroedinger"
1338 libspeex_decoder_deps="libspeex"
1339 libtheora_encoder_deps="libtheora"
1340 libvorbis_encoder_deps="libvorbis"
1341 libvpx_decoder_deps="libvpx"
1342 libvpx_encoder_deps="libvpx"
1343 libx264_encoder_deps="libx264"
1344 libxavs_encoder_deps="libxavs"
1345 libxvid_encoder_deps="libxvid"
1346
1347 # demuxers / muxers
1348 ac3_demuxer_deps="ac3_parser"
1349 asf_stream_muxer_select="asf_muxer"
1350 avisynth_demuxer_deps="avisynth"
1351 dirac_demuxer_deps="dirac_parser"
1352 eac3_demuxer_select="ac3_parser"
1353 ipod_muxer_select="mov_muxer"
1354 libnut_demuxer_deps="libnut"
1355 libnut_muxer_deps="libnut"
1356 matroska_audio_muxer_select="matroska_muxer"
1357 matroska_demuxer_suggest="zlib bzlib"
1358 mov_demuxer_suggest="zlib"
1359 mp3_demuxer_deps="mpegaudio_parser"
1360 mp4_muxer_select="mov_muxer"
1361 mpegtsraw_demuxer_select="mpegts_demuxer"
1362 mxf_d10_muxer_select="mxf_muxer"
1363 ogg_demuxer_select="golomb"
1364 psp_muxer_select="mov_muxer"
1365 rtp_demuxer_select="sdp_demuxer"
1366 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1367 rtsp_demuxer_select="http_protocol rtpdec"
1368 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1369 sap_demuxer_select="sdp_demuxer"
1370 sap_muxer_select="rtp_muxer rtp_protocol"
1371 sdp_demuxer_select="rtpdec"
1372 spdif_muxer_select="aac_parser"
1373 tg2_muxer_select="mov_muxer"
1374 tgp_muxer_select="mov_muxer"
1375 w64_demuxer_deps="wav_demuxer"
1376
1377 # indevs / outdevs
1378 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1379 alsa_outdev_deps="alsa_asoundlib_h"
1380 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1381 dv1394_indev_deps="dv1394 dv_demuxer"
1382 jack_indev_deps="jack_jack_h"
1383 libdc1394_indev_deps="libdc1394"
1384 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1385 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1386 v4l_indev_deps="linux_videodev_h"
1387 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1388 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1389 vfwcap_indev_extralibs="-lavicap32"
1390 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1391 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1392
1393 # protocols
1394 gopher_protocol_deps="network"
1395 http_protocol_deps="network"
1396 http_protocol_select="tcp_protocol"
1397 mmsh_protocol_select="http_protocol"
1398 mmst_protocol_deps="network"
1399 rtmp_protocol_select="tcp_protocol"
1400 rtp_protocol_select="udp_protocol"
1401 tcp_protocol_deps="network"
1402 udp_protocol_deps="network"
1403
1404 # filters
1405 blackframe_filter_deps="gpl"
1406 cropdetect_filter_deps="gpl"
1407 frei0r_filter_deps="frei0r dlopen strtok_r"
1408 ocv_smooth_filter_deps="libopencv"
1409 yadif_filter_deps="gpl"
1410
1411 # libraries
1412 avdevice_deps="avcodec avformat"
1413 avformat_deps="avcodec"
1414
1415 # programs
1416 ffmpeg_deps="avcodec avformat swscale"
1417 ffmpeg_select="buffer_filter"
1418 ffplay_deps="avcodec avformat swscale sdl"
1419 ffplay_select="rdft"
1420 ffprobe_deps="avcodec avformat"
1421 ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
1422 ffserver_extralibs='$ldl'
1423
1424 doc_deps="texi2html"
1425
1426 # tests
1427
1428 test_deps(){
1429 suf1=$1
1430 suf2=$2
1431 shift 2
1432 for v; do
1433 dep=${v%=*}
1434 tests=${v#*=}
1435 for name in ${tests}; do
1436 eval ${name}_test_deps="'${dep}$suf1 ${dep}$suf2'"
1437 done
1438 done
1439 }
1440
1441 set_ne_test_deps(){
1442 eval ${1}_be_test_deps="bigendian"
1443 eval ${1}_le_test_deps="!bigendian"
1444 }
1445
1446 test_deps _encoder _decoder \
1447 ac3 \
1448 adpcm_g726=g726 \
1449 adpcm_ima_qt \
1450 adpcm_ima_wav \
1451 adpcm_ms \
1452 adpcm_swf \
1453 adpcm_yamaha=adpcm_yam \
1454 alac \
1455 asv1 \
1456 asv2 \
1457 bmp \
1458 dnxhd="dnxhd_1080i dnxhd_720p dnxhd_720p_rd" \
1459 dvvideo="dv dv50" \
1460 ffv1 \
1461 flac \
1462 flashsv \
1463 flv \
1464 gif \
1465 h261 \
1466 h263="h263 h263p" \
1467 huffyuv \
1468 jpegls \
1469 mjpeg="jpg mjpeg ljpeg" \
1470 mp2 \
1471 mpeg1video="mpeg mpeg1b" \
1472 mpeg2video="mpeg2 mpeg2thread" \
1473 mpeg4="mpeg4 mpeg4adv mpeg4nr mpeg4thread error rc" \
1474 msmpeg4v3=msmpeg4 \
1475 msmpeg4v2 \
1476 pbm=pbmpipe \
1477 pcx \
1478 pgm="pgm pgmpipe" \
1479 ppm="ppm ppmpipe" \
1480 rawvideo="rgb yuv" \
1481 roq \
1482 rv10 \
1483 rv20 \
1484 sgi \
1485 snow="snow snowll" \
1486 svq1 \
1487 targa=tga \
1488 tiff \
1489 wmav1 \
1490 wmav2 \
1491 wmv1 \
1492 wmv2 \
1493
1494 test_deps _muxer _demuxer \
1495 aiff \
1496 pcm_alaw=alaw \
1497 asf \
1498 au \
1499 avi \
1500 dv=dv_fmt \
1501 ffm \
1502 flv=flv_fmt \
1503 gxf \
1504 matroska=mkv \
1505 mmf \
1506 mov \
1507 pcm_mulaw=mulaw \
1508 mxf \
1509 nut \
1510 ogg \
1511 rawvideo=pixfmt \
1512 rm \
1513 swf \
1514 mpegts=ts \
1515 voc \
1516 wav \
1517 yuv4mpegpipe=yuv4mpeg \
1518
1519 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1520
1521 set_ne_test_deps pixdesc
1522 set_ne_test_deps pixfmts_crop
1523 set_ne_test_deps pixfmts_hflip
1524 set_ne_test_deps pixfmts_null
1525 set_ne_test_deps pixfmts_pad
1526 set_ne_test_deps pixfmts_scale
1527 set_ne_test_deps pixfmts_vflip
1528
1529 # default parameters
1530
1531 logfile="config.log"
1532
1533 # installation paths
1534 prefix_default="/usr/local"
1535 bindir_default='${prefix}/bin'
1536 datadir_default='${prefix}/share/ffmpeg'
1537 incdir_default='${prefix}/include'
1538 libdir_default='${prefix}/lib'
1539 mandir_default='${prefix}/share/man'
1540 shlibdir_default="$libdir_default"
1541
1542 # toolchain
1543 ar_default="ar"
1544 cc_default="gcc"
1545 cc_version=\"unknown\"
1546 host_cc_default="gcc"
1547 ln_s="ln -sf"
1548 nm_default="nm"
1549 objformat="elf"
1550 ranlib="ranlib"
1551 strip_default="strip"
1552 yasmexe="yasm"
1553 nogas=":"
1554
1555 nm_opts='-g'
1556
1557 # machine
1558 arch_default=$(uname -m)
1559 cpu="generic"
1560
1561 # OS
1562 target_os_default=$(tolower $(uname -s))
1563 host_os=$target_os_default
1564
1565 # configurable options
1566 enable avcodec
1567 enable avcore
1568 enable avdevice
1569 enable avfilter
1570 enable avformat
1571 enable avutil
1572 enable asm
1573 enable debug
1574 enable doc
1575 enable fastdiv
1576 enable ffmpeg
1577 enable ffplay
1578 enable ffprobe
1579 enable ffserver
1580 enable mpegaudio_hp
1581 enable network
1582 enable optimizations
1583 enable protocols
1584 enable static
1585 enable stripping
1586 enable swscale
1587 enable swscale_alpha
1588
1589 # build settings
1590 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1591 FFSERVERLDFLAGS=-Wl,-E
1592 LIBPREF="lib"
1593 LIBSUF=".a"
1594 FULLNAME='$(NAME)$(BUILDSUF)'
1595 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1596 SLIBPREF="lib"
1597 SLIBSUF=".so"
1598 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1599 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1600 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1601 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1602
1603 CC_O='-o $@'
1604
1605 host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
1606 host_libs='-lm'
1607
1608 target_path='$(CURDIR)'
1609
1610 # since the object filename is not given with the -MM flag, the compiler
1611 # is only able to print the basename, and we must add the path ourselves
1612 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1613 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1614
1615 # find source path
1616 source_path="$(dirname "$0")"
1617 enable source_path_used
1618 if test -f configure; then
1619 source_path="$(pwd)"
1620 disable source_path_used
1621 else
1622 source_path="$(cd "$source_path"; pwd)"
1623 echo "$source_path" | grep -q '[[:blank:]]' &&
1624 die "Out of tree builds are impossible with whitespace in source path."
1625 test -e "$source_path/config.h" &&
1626 die "Out of tree builds are impossible with config.h in source dir."
1627 fi
1628
1629 for v in "$@"; do
1630 r=${v#*=}
1631 l=${v%"$r"}
1632 r=$(sh_quote "$r")
1633 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1634 done
1635
1636 find_things(){
1637 thing=$1
1638 pattern=$2
1639 file=$source_path/$3
1640 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1641 }
1642
1643 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1644 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1645 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1646 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1647 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1648 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1649 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1650 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1651 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1652 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1653 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1654
1655 find_tests(){
1656 map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1657 }
1658
1659 ACODEC_TESTS=$(find_tests acodec)
1660 VCODEC_TESTS=$(find_tests vsynth1)
1661 LAVF_TESTS=$(find_tests lavf)
1662 LAVFI_TESTS=$(find_tests lavfi)
1663 SEEK_TESTS=$(find_tests seek seek_)
1664
1665 pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1666
1667 for n in $COMPONENT_LIST; do
1668 v=$(toupper ${n%s})_LIST
1669 eval enable \$$v
1670 eval ${n}_if_any="\$$v"
1671 done
1672
1673 enable $ARCH_EXT_LIST $ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS
1674
1675 die_unknown(){
1676 echo "Unknown option \"$1\"."
1677 echo "See $0 --help for available options."
1678 exit 1
1679 }
1680
1681 show_list() {
1682 suffix=_$1
1683 shift
1684 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1685 exit 0
1686 }
1687
1688 for opt do
1689 optval="${opt#*=}"
1690 case "$opt" in
1691 --extra-ldflags=*) add_ldflags $optval
1692 ;;
1693 --extra-libs=*) add_extralibs $optval
1694 ;;
1695 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1696 ;;
1697 --enable-debug=*) debuglevel="$optval"
1698 ;;
1699 --disable-everything)
1700 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1701 ;;
1702 --enable-*=*|--disable-*=*)
1703 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1704 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1705 eval list=\$$(toupper $thing)_LIST
1706 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1707 $action $(filter "$name" $list)
1708 ;;
1709 --enable-?*|--disable-?*)
1710 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1711 if is_in $option $COMPONENT_LIST; then
1712 test $action = disable && action=unset
1713 eval $action \$$(toupper ${option%s})_LIST
1714 elif is_in $option $CMDLINE_SELECT; then
1715 $action $option
1716 else
1717 die_unknown $opt
1718 fi
1719 ;;
1720 --list-*)
1721 NAME="${opt#--list-}"
1722 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1723 NAME=${NAME%s}
1724 eval show_list $NAME \$$(toupper $NAME)_LIST
1725 ;;
1726 --help|-h) show_help
1727 ;;
1728 *)
1729 optname="${opt%%=*}"
1730 optname="${optname#--}"
1731 optname=$(echo "$optname" | sed 's/-/_/g')
1732 if is_in $optname $CMDLINE_SET; then
1733 eval $optname='$optval'
1734 elif is_in $optname $CMDLINE_APPEND; then
1735 append $optname "$optval"
1736 else
1737 die_unknown $opt
1738 fi
1739 ;;
1740 esac
1741 done
1742
1743 disabled logging && logfile=/dev/null
1744
1745 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1746 set >> $logfile
1747
1748 test -n "$cross_prefix" && enable cross_compile
1749
1750 if enabled cross_compile; then
1751 test -n "$arch" && test -n "$target_os" ||
1752 die "Must specify target arch and OS when cross-compiling"
1753 fi
1754
1755 set_default arch target_os
1756
1757 ar_default="${cross_prefix}${ar_default}"
1758 cc_default="${cross_prefix}${cc_default}"
1759 nm_default="${cross_prefix}${nm_default}"
1760 ranlib="${cross_prefix}${ranlib}"
1761 strip_default="${cross_prefix}${strip_default}"
1762
1763 sysinclude_default="${sysroot}/usr/include"
1764
1765 set_default cc nm strip sysinclude
1766 enabled cross_compile || host_cc_default=$cc
1767 set_default host_cc
1768
1769 exesuf() {
1770 case $1 in
1771 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1772 esac
1773 }
1774
1775 EXESUF=$(exesuf $target_os)
1776 HOSTEXESUF=$(exesuf $host_os)
1777
1778 # set temporary file name
1779 : ${TMPDIR:=$TEMPDIR}
1780 : ${TMPDIR:=$TMP}
1781 : ${TMPDIR:=/tmp}
1782
1783 if ! check_cmd type mktemp; then
1784 # simple replacement for missing mktemp
1785 # NOT SAFE FOR GENERAL USE
1786 mktemp(){
1787 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1788 }
1789 fi
1790
1791 tmpfile(){
1792 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1793 (set -C; exec > $tmp) 2>/dev/null ||
1794 die "Unable to create temporary file in $TMPDIR."
1795 append TMPFILES $tmp
1796 eval $1=$tmp
1797 }
1798
1799 trap 'rm -f -- $TMPFILES' EXIT
1800 trap exit HUP INT TERM
1801
1802 tmpfile TMPC .c
1803 tmpfile TMPE $EXESUF
1804 tmpfile TMPH .h
1805 tmpfile TMPO .o
1806 tmpfile TMPS .S
1807 tmpfile TMPV .ver
1808 tmpfile TMPSH .sh
1809 tmpfile TMPASM .asm
1810
1811 unset -f mktemp
1812
1813 # make sure we can execute files in $TMPDIR
1814 cat > $TMPSH 2>> $logfile <<EOF
1815 #! /bin/sh
1816 EOF
1817 chmod +x $TMPSH >> $logfile 2>&1
1818 if ! $TMPSH >> $logfile 2>&1; then
1819 cat <<EOF
1820 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1821 variable to another directory and make sure that it is not mounted noexec.
1822 EOF
1823 die "Sanity test failed."
1824 fi
1825
1826 filter_cflags=echo
1827 filter_cppflags=echo
1828 filter_asflags=echo
1829
1830 if $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
1831 cc_type=llvm_gcc
1832 cc_version=__VERSION__
1833 gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1834 cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
1835 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1836 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1837 speed_cflags='-O3'
1838 size_cflags='-Os'
1839 elif $cc -v 2>&1 | grep -qi ^gcc; then
1840 cc_type=gcc
1841 cc_version=__VERSION__
1842 gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1843 cc_ident="gcc $($cc -dumpversion) $gcc_extra_ver"
1844 if ! $cc -dumpversion | grep -q '^2\.'; then
1845 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1846 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1847 fi
1848 speed_cflags='-O3'
1849 size_cflags='-Os'
1850 elif $cc --version 2>/dev/null | grep -q Intel; then
1851 cc_type=icc
1852 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1853 cc_ident=$($cc --version | head -n1)
1854 icc_version=$($cc -dumpversion)
1855 CC_DEPFLAGS='-MMD'
1856 AS_DEPFLAGS='-MMD'
1857 speed_cflags='-O3'
1858 size_cflags='-Os'
1859 noopt_cflags='-O1'
1860 elif $cc -v 2>&1 | grep -q xlc; then
1861 cc_type=xlc
1862 cc_version="AV_STRINGIFY(__IBMC__)"
1863 cc_ident=$($cc -qversion 2>/dev/null | head -n1)
1864 speed_cflags='-O5'
1865 size_cflags='-O5 -qcompact'
1866 elif $cc -V 2>/dev/null | grep -q Compaq; then
1867 cc_type=ccc
1868 cc_version="AV_STRINGIFY(__DECC_VER)"
1869 cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
1870 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1871 debuglevel=3
1872 add_ldflags -Wl,-z,now # calls to libots crash without this
1873 speed_cflags='-fast'
1874 size_cflags='-O1'
1875 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1876 test -d "$sysroot" || die "No valid sysroot specified."
1877 cc_type=armcc
1878 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1879 cc_ident=$($cc --vsn | head -n1)
1880 armcc_conf="$PWD/armcc.conf"
1881 $cc --arm_linux_configure \
1882 --arm_linux_config_file="$armcc_conf" \
1883 --configure_sysroot="$sysroot" \
1884 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1885 die "Error creating armcc configuration file."
1886 $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
1887 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1888 as_default="${cross_prefix}gcc"
1889 CC_DEPFLAGS='-MMD'
1890 AS_DEPFLAGS='-MMD'
1891 speed_cflags='-O3'
1892 size_cflags='-Os'
1893 elif $cc -version 2>/dev/null | grep -q TMS470; then
1894 cc_type=tms470
1895 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1896 cc_ident=$($cc -version | head -n1 | tr -s ' ')
1897 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1898 CC_O='-fr=$(@D)'
1899 as_default="${cross_prefix}gcc"
1900 ld_default="${cross_prefix}gcc"
1901 TMPO=$(basename $TMPC .c).o
1902 append TMPFILES $TMPO
1903 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1904 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1905 AS_DEPFLAGS='-MMD'
1906 speed_cflags='-O3 -mf=5'
1907 size_cflags='-O3 -mf=2'
1908 filter_cflags=tms470_flags
1909 tms470_flags(){
1910 for flag; do
1911 case $flag in
1912 -march=*|-mcpu=*)
1913 case "${flag#*=}" in
1914 armv7-a|cortex-a*) echo -mv=7a8 ;;
1915 armv7-r|cortex-r*) echo -mv=7r4 ;;
1916 armv7-m|cortex-m*) echo -mv=7m3 ;;
1917 armv6*|arm11*) echo -mv=6 ;;
1918 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1919 echo -mv=5e ;;
1920 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1921 esac
1922 ;;
1923 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1924 -mfpu=vfp) echo --float_support=vfpv2 ;;
1925 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
1926 -msoft-float) echo --float_support=vfplib ;;
1927 -O[0-3]|-mf=*) echo $flag ;;
1928 -g) echo -g -mn ;;
1929 -pds=*) echo $flag ;;
1930 esac
1931 done
1932 }
1933 elif $cc -v 2>&1 | grep -q clang; then
1934 cc_type=clang
1935 $cc -dM -E $TMPC | grep -q __clang_version__ &&
1936 cc_version=__clang_version__ || cc_version=__VERSION__
1937 cc_ident=$($cc --version | head -n1)
1938 CC_DEPFLAGS='-MMD'
1939 AS_DEPFLAGS='-MMD'
1940 speed_cflags='-O3'
1941 size_cflags='-Os'
1942 elif $cc -V 2>&1 | grep -q Sun; then
1943 cc_type=suncc
1944 cc_version="AV_STRINGIFY(__SUNPRO_C)"
1945 cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
1946 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
1947 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
1948 speed_cflags='-O5'
1949 size_cflags='-O5 -xspace'
1950 filter_cflags=suncc_flags
1951 suncc_flags(){
1952 for flag; do
1953 case $flag in
1954 -march=*|-mcpu=*)
1955 case "${flag#*=}" in
1956 native) echo -xtarget=native ;;
1957 v9|niagara) echo -xarch=sparc ;;
1958 ultrasparc) echo -xarch=sparcvis ;;
1959 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
1960 i586|pentium) echo -xchip=pentium ;;
1961 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
1962 pentium3*|c3-2) echo -xtarget=pentium3 ;;
1963 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
1964 pentium4*) echo -xtarget=pentium4 ;;
1965 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
1966 *-sse3) echo -xarch=sse3 ;;
1967 core2) echo -xarch=ssse3 -xchip=core2 ;;
1968 amdfam10|barcelona) echo -xarch=sse4_1 ;;
1969 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
1970 k8|opteron|athlon64|athlon-fx)
1971 echo -xarch=sse2a ;;
1972 athlon*) echo -xarch=pentium_proa ;;
1973 esac
1974 ;;
1975 -std=c99) echo -xc99 ;;
1976 -fomit-frame-pointer) echo -xregs=frameptr ;;
1977 -fPIC) echo -KPIC -xcode=pic32 ;;
1978 -W*,*) echo $flag ;;
1979 -f*-*|-W*) ;;
1980 *) echo $flag ;;
1981 esac
1982 done
1983 }
1984 elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
1985 cc_type=pathscale
1986 cc_version=__PATHSCALE__
1987 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
1988 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1989 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1990 speed_cflags='-O2'
1991 size_cflags='-Os'
1992 elif $cc -v 2>&1 | grep -q Open64; then
1993 cc_type=open64
1994 cc_version=__OPEN64__
1995 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
1996 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1997 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1998 speed_cflags='-O2'
1999 size_cflags='-Os'
2000 fi
2001
2002 test -n "$cc_type" && enable $cc_type ||
2003 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2004
2005 : ${as_default:=$cc}
2006 : ${dep_cc_default:=$cc}
2007 : ${ld_default:=$cc}
2008 set_default ar as dep_cc ld
2009
2010 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2011 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2012
2013 add_cflags $extra_cflags
2014 add_asflags $extra_cflags
2015
2016 if test -n "$sysroot"; then
2017 case "$cc_type" in
2018 gcc|llvm_gcc)
2019 add_cppflags --sysroot="$sysroot"
2020 add_ldflags --sysroot="$sysroot"
2021 ;;
2022 tms470)
2023 add_cppflags -I"$sysinclude"
2024 add_ldflags --sysroot="$sysroot"
2025 ;;
2026 clang)
2027 add_cppflags -isysroot "$sysroot"
2028 add_ldflags -isysroot "$sysroot"
2029 ;;
2030 esac
2031 fi
2032
2033 if test "$cpu" = host; then
2034 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2035
2036 case "$cc_type" in
2037 gcc|llvm_gcc)
2038 check_native(){
2039 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2040 sed -n "/$1=/{
2041 s/.*$1=\\([^ ]*\\).*/\\1/
2042 p
2043 q
2044 }" $TMPE
2045 }
2046 cpu=$(check_native -march || check_native -mcpu)
2047 ;;
2048 esac
2049
2050 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2051 fi
2052
2053 # Deal with common $arch aliases
2054 case "$arch" in
2055 arm*)
2056 arch="arm"
2057 ;;
2058 mips|mipsel|IP*)
2059 arch="mips"
2060 ;;
2061 mips64*)
2062 arch="mips"
2063 subarch="mips64"
2064 ;;
2065 parisc|hppa)
2066 arch="parisc"
2067 ;;
2068 parisc64|hppa64)
2069 arch="parisc"
2070 subarch="parisc64"
2071 ;;
2072 "Power Macintosh"|ppc|powerpc)
2073 arch="ppc"
2074 ;;
2075 ppc64|powerpc64)
2076 arch="ppc"
2077 subarch="ppc64"
2078 ;;
2079 s390|s390x)
2080 arch="s390"
2081 ;;
2082 sh4|sh)
2083 arch="sh4"
2084 ;;
2085 sun4u|sparc64)
2086 arch="sparc"
2087 subarch="sparc64"
2088 ;;
2089 i[3-6]86|i86pc|BePC|x86_64|amd64)
2090 arch="x86"
2091 ;;
2092 esac
2093
2094 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2095 enable $arch
2096
2097 # Add processor-specific flags
2098 if test "$cpu" = generic; then
2099 : do nothing
2100 elif enabled ppc; then
2101
2102 case $(tolower $cpu) in
2103 601|ppc601|powerpc601)
2104 cpuflags="-mcpu=601"
2105 disable altivec
2106 ;;
2107 603*|ppc603*|powerpc603*)
2108 cpuflags="-mcpu=603"
2109 disable altivec
2110 ;;
2111 604*|ppc604*|powerpc604*)
2112 cpuflags="-mcpu=604"
2113 disable altivec
2114 ;;
2115 g3|75*|ppc75*|powerpc75*)
2116 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2117 disable altivec
2118 ;;
2119 g4|745*|ppc745*|powerpc745*)
2120 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2121 ;;
2122 74*|ppc74*|powerpc74*)
2123 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2124 ;;
2125 g5|970|ppc970|powerpc970|power4*)
2126 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2127 ;;
2128 cell)
2129 cpuflags="-mcpu=cell"
2130 enable ldbrx
2131 ;;
2132 e500v2)
2133 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2134 disable altivec
2135 ;;
2136 e500)
2137 cpuflags="-mcpu=8540 -mhard-float"
2138 disable altivec
2139 ;;
2140 esac
2141
2142 elif enabled x86; then
2143
2144 case $cpu in
2145 i[345]86|pentium)
2146 cpuflags="-march=$cpu"
2147 disable mmx
2148 ;;
2149 # targets that do NOT support conditional mov (cmov)
2150 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2151 cpuflags="-march=$cpu"
2152 disable cmov
2153 ;;
2154 # targets that do support conditional mov (cmov)
2155 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10|barcelona|atom)
2156 cpuflags="-march=$cpu"
2157 enable cmov
2158 enable fast_cmov
2159 ;;
2160 # targets that do support conditional mov but on which it's slow
2161 pentium4|pentium4m|prescott|nocona)
2162 cpuflags="-march=$cpu"
2163 enable cmov
2164 disable fast_cmov
2165 ;;
2166 esac
2167
2168 elif enabled sparc; then
2169
2170 case $cpu in
2171 niagara)
2172 cpuflags="-mcpu=$cpu"
2173 disable vis
2174 ;;
2175 sparc64)
2176 cpuflags="-mcpu=v9"
2177 ;;
2178 esac
2179
2180 elif enabled arm; then
2181
2182 case $cpu in
2183 armv*)
2184 cpuflags="-march=$cpu"
2185 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2186 ;;
2187 *)
2188 cpuflags="-mcpu=$cpu"
2189 case $cpu in
2190 cortex-a*) subarch=armv7a ;;
2191 cortex-r*) subarch=armv7r ;;
2192 cortex-m*) subarch=armv7m ;;
2193 arm11*) subarch=armv6 ;;
2194 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2195 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
2196 esac
2197 ;;
2198 esac
2199
2200 elif enabled alpha; then
2201
2202 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2203
2204 elif enabled bfin; then
2205
2206 cpuflags="-mcpu=$cpu"
2207
2208 elif enabled mips; then
2209
2210 cpuflags="-march=$cpu"
2211
2212 elif enabled avr32; then
2213
2214 case $cpu in
2215 ap7[02]0[0-2])
2216 subarch="avr32_ap"
2217 cpuflags="-mpart=$cpu"
2218 ;;
2219 ap)
2220 subarch="avr32_ap"
2221 cpuflags="-march=$cpu"
2222 ;;
2223 uc3[ab]*)
2224 subarch="avr32_uc"
2225 cpuflags="-mcpu=$cpu"
2226 ;;
2227 uc)
2228 subarch="avr32_uc"
2229 cpuflags="-march=$cpu"
2230 ;;
2231 esac
2232
2233 fi
2234
2235 add_cflags $cpuflags
2236 add_asflags $cpuflags
2237
2238 # compiler sanity check
2239 check_exec <<EOF
2240 int main(void){ return 0; }
2241 EOF
2242 if test "$?" != 0; then
2243 echo "$cc is unable to create an executable file."
2244 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2245 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2246 echo "Only do this if you know what cross compiling means."
2247 fi
2248 die "C compiler test failed."
2249 fi
2250
2251 add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
2252 check_cflags -std=c99
2253 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2254 #include <stdlib.h>
2255 EOF
2256 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2257 #include <stdlib.h>
2258 EOF
2259
2260 check_host_cflags -std=c99
2261
2262 case "$arch" in
2263 alpha|ia64|mips|parisc|sparc)
2264 spic=$shared
2265 ;;
2266 x86)
2267 subarch="x86_32"
2268 check_cc <<EOF && subarch="x86_64"
2269 int test[(int)sizeof(char*) - 7];
2270 EOF
2271 if test "$subarch" = "x86_64"; then
2272 spic=$shared
2273 fi
2274 ;;
2275 esac
2276
2277 enable $subarch
2278 enabled spic && enable pic
2279
2280 # OS specific
2281 case $target_os in
2282 haiku)
2283 prefix_default="/boot/common"
2284 network_extralibs="-lnetwork"
2285 ;;
2286 sunos)
2287 FFSERVERLDFLAGS=""
2288 SHFLAGS='-shared -Wl,-h,$$(@F)'
2289 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2290 network_extralibs="-lsocket -lnsl"
2291 add_cppflags -D__EXTENSIONS__
2292 nm_opts='-P -g'
2293 ;;
2294 netbsd)
2295 oss_indev_extralibs="-lossaudio"
2296 oss_outdev_extralibs="-lossaudio"
2297 add_cppflags -D_XOPEN_SOURCE=600
2298 ;;
2299 openbsd)
2300 enable malloc_aligned
2301 # On OpenBSD 4.5. the compiler does not use PIC unless
2302 # explicitly using -fPIC. FFmpeg builds fine without PIC,
2303 # however the generated executable will not do anything
2304 # (simply quits with exit-code 1, no crash, no output).
2305 # Thus explicitly enable PIC here.
2306 enable pic
2307 SHFLAGS='-shared'
2308 oss_indev_extralibs="-lossaudio"
2309 oss_outdev_extralibs="-lossaudio"
2310 ;;
2311 freebsd|dragonfly)
2312 enable malloc_aligned
2313 ;;
2314 bsd/os)
2315 add_extralibs -lpoll -lgnugetopt
2316 strip="strip -d"
2317 ;;
2318 darwin)
2319 enable malloc_aligned
2320 gas="gas-preprocessor.pl $cc"
2321 enabled ppc && add_asflags -force_cpusubtype_ALL
2322 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
2323 strip="${strip} -x"
2324 add_ldflags -Wl,-dynamic,-search_paths_first
2325 SLIBSUF=".dylib"
2326 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2327 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2328 FFSERVERLDFLAGS=-Wl,-bind_at_load
2329 objformat="macho"
2330 enabled x86_64 && objformat="macho64"
2331 enabled_any pic shared ||
2332 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2333 ;;
2334 mingw32*)
2335 if test $target_os = "mingw32ce"; then
2336 disable network
2337 else
2338 target_os=mingw32
2339 fi
2340 LIBTARGET=i386
2341 if enabled x86_64; then
2342 enable malloc_aligned
2343 LIBTARGET=x64
2344 elif enabled arm; then
2345 LIBTARGET=arm
2346 fi
2347 shlibdir_default="$bindir_default"
2348 disable ffserver
2349 SLIBPREF=""
2350 SLIBSUF=".dll"
2351 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2352 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2353 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
2354 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
2355 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2356 install -d "$(LIBDIR)"; \
2357 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
2358 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
2359 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'
2360 objformat="win32"
2361 enable dos_paths
2362 check_cflags -fno-common
2363 check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2364 || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2365 die "ERROR: MinGW runtime version must be >= 3.15."
2366 ;;
2367 cygwin*)
2368 target_os=cygwin
2369 shlibdir_default="$bindir_default"
2370 SLIBPREF="cyg"
2371 SLIBSUF=".dll"
2372 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2373 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2374 SHFLAGS='-shared -Wl,--enable-auto-image-base'
2375 objformat="win32"
2376 enable dos_paths
2377 check_cflags -fno-common
2378 ;;
2379 *-dos|freedos|opendos)
2380 disable ffplay ffserver
2381 disable $INDEV_LIST $OUTDEV_LIST
2382 network_extralibs="-lsocket"
2383 objformat="coff"
2384 enable dos_paths
2385 ;;
2386 linux)
2387 enable dv1394
2388 ;;
2389 irix*)
2390 target_os=irix
2391 ranlib="echo ignoring ranlib"
2392 ;;
2393 os/2*)
2394 strip="lxlite"
2395 ln_s="cp -f"
2396 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2397 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2398 FFSERVERLDFLAGS=""
2399 LIBSUF="_s.a"
2400 SLIBPREF=""
2401 SLIBSUF=".dll"
2402 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2403 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2404 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2405 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2406 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2407 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2408 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2409 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2410 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2411 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2412 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
2413 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
2414 enable dos_paths
2415 ;;
2416 gnu/kfreebsd)
2417 ;;
2418 gnu)
2419 ;;
2420 none)
2421 ;;
2422 *)
2423 die "Unknown OS '$target_os'."
2424 ;;
2425 esac
2426
2427 echo "config:$arch:$subarch:$cpu:$target_os:$cc_ident:$FFMPEG_CONFIGURATION" >config.fate
2428
2429 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2430
2431 set_default $PATHS_LIST
2432
2433 # we need to build at least one lib type
2434 if ! enabled_any static shared; then
2435 cat <<EOF
2436 At least one library type must be built.
2437 Specify --enable-static to build the static libraries or --enable-shared to
2438 build the shared libraries as well. To only build the shared libraries specify
2439 --disable-static in addition to --enable-shared.
2440 EOF
2441 exit 1;
2442 fi
2443
2444 disabled static && LIBNAME=""
2445
2446 die_license_disabled() {
2447 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2448 }
2449
2450 die_license_disabled gpl libx264
2451 die_license_disabled gpl libxavs
2452 die_license_disabled gpl libxvid
2453 die_license_disabled gpl postproc
2454 die_license_disabled gpl x11grab
2455
2456 die_license_disabled nonfree libfaac
2457
2458 die_license_disabled version3 libopencore_amrnb
2459 die_license_disabled version3 libopencore_amrwb
2460
2461 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2462
2463 check_deps $ARCH_EXT_LIST
2464
2465 disabled optimizations || check_cflags -fomit-frame-pointer
2466
2467 enable_pic() {
2468 enable pic
2469 add_cppflags -DPIC
2470 add_cflags -fPIC
2471 add_asflags -fPIC
2472 }
2473
2474 enabled pic && enable_pic
2475
2476 check_cc <<EOF || die "Symbol mangling check failed."
2477 int ff_extern;
2478 EOF
2479 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2480 extern_prefix=${sym%%ff_extern*}
2481
2482 check_cc <<EOF && enable inline_asm
2483 void foo(void) { __asm__ volatile ("" ::); }
2484 EOF
2485
2486 _restrict=
2487 for restrict_keyword in restrict __restrict__ __restrict; do
2488 check_cc <<EOF && _restrict=$restrict_keyword && break
2489 void foo(char * $restrict_keyword p);
2490 EOF
2491 done
2492
2493 check_cc <<EOF && enable attribute_packed
2494 struct { int x; } __attribute__((packed)) x;
2495 EOF
2496
2497 check_cc <<EOF && enable attribute_may_alias
2498 union { int x; } __attribute__((may_alias)) x;
2499 EOF
2500
2501 check_cc <<EOF || die "endian test failed"
2502 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2503 EOF
2504 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2505
2506 if enabled alpha; then
2507
2508 check_cflags -mieee
2509
2510 elif enabled arm; then
2511
2512 check_cflags -marm
2513 nogas=die
2514
2515 check_ld <<EOF && enable vfp_args
2516 __asm__ (".eabi_attribute 28, 1");
2517 int main(void) { return 0; }
2518 EOF
2519
2520 # We have to check if pld is a nop and disable it.
2521 check_asm pld '"pld [r0]"'
2522
2523 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2524 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2525 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2526 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2527 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2528 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
2529
2530 enabled_all armv6t2 shared !pic && enable_pic
2531
2532 elif enabled mips; then
2533
2534 check_asm loongson '"dmult.g $1, $2, $3"'
2535 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
2536
2537 elif enabled ppc; then
2538
2539 enable local_aligned_8 local_aligned_16
2540
2541 check_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
2542 check_asm ibm_asm '"add 0, 0, 0"'
2543 check_asm ppc4xx '"maclhw r10, r11, r12"'
2544 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2545
2546 # AltiVec flags: The FSF version of GCC differs from the Apple version
2547 if enabled altivec; then
2548 nogas=warn
2549 check_cflags -maltivec -mabi=altivec &&
2550 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2551 check_cflags -faltivec
2552
2553 # check if our compiler supports Motorola AltiVec C API
2554 check_cc <<EOF || disable altivec
2555 $inc_altivec_h
2556 int main(void) {
2557 vector signed int v1, v2, v3;
2558 v1 = vec_add(v2,v3);
2559 return 0;
2560 }
2561 EOF
2562
2563 # check if our compiler supports braces for vector declarations
2564 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2565 $inc_altivec_h
2566 int main (void) { (vector int) {1}; return 0; }
2567 EOF
2568 fi
2569
2570 elif enabled sparc; then
2571
2572 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2573 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2574
2575 elif enabled x86; then
2576
2577 enable local_aligned_8 local_aligned_16
2578
2579 # check whether EBP is available on x86
2580 # As 'i' is stored on the stack, this program will crash
2581 # if the base pointer is used to access it because the
2582 # base pointer is cleared in the inline assembly code.
2583 check_exec_crash <<EOF && enable ebp_available
2584 volatile int i=0;
2585 __asm__ volatile (
2586 "xorl %%ebp, %%ebp"
2587 ::: "%ebp");
2588 return i;
2589 EOF
2590
2591 # check whether EBX is available on x86
2592 check_asm ebx_available '""::"b"(0)' &&
2593 check_asm ebx_available '"":::"%ebx"'
2594
2595 # check whether xmm clobbers are supported
2596 check_asm xmm_clobbers '"":::"%xmm0"'
2597
2598 # check whether more than 10 operands are supported
2599 check_cc <<EOF && enable ten_operands
2600 int main(void) {
2601 int x=0;
2602 __asm__ volatile(
2603 ""
2604 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2605 );
2606 return 0;
2607 }
2608 EOF
2609
2610 # check whether binutils is new enough to compile SSSE3/MMX2
2611 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2612 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
2613
2614 check_asm bswap '"bswap %%eax" ::: "%eax"'
2615
2616 if ! disabled_any asm mmx yasm; then
2617 if check_cmd $yasmexe --version; then
2618 enabled x86_64 && yasm_extra="-m amd64"
2619 yasm_debug="-g dwarf2"
2620 elif check_cmd nasm -v; then
2621 yasmexe=nasm
2622 yasm_debug="-g -F dwarf"
2623 enabled x86_64 && test "$objformat" = elf && objformat=elf64
2624 fi
2625
2626 YASMFLAGS="-f $objformat $yasm_extra"
2627 enabled pic && append YASMFLAGS "-DPIC"
2628 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
2629 case "$objformat" in
2630 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2631 esac
2632
2633 check_yasm "pabsw xmm0, xmm0" && enable yasm ||
2634 die "yasm not found, use --disable-yasm for a crippled build"
2635 fi
2636
2637 case "$cpu" in
2638 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2639 disable fast_clz
2640 ;;
2641 esac
2642
2643 fi
2644
2645 if enabled asm; then
2646 as=${gas:=$as}
2647 check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2648 $nogas "GNU assembler not found, install gas-preprocessor"
2649 fi
2650
2651 if check_func dlopen; then
2652 ldl=
2653 elif check_func dlopen -ldl; then
2654 ldl=-ldl
2655 fi
2656
2657 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2658 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2659
2660 check_func fcntl
2661 check_func fork
2662 check_func getaddrinfo $network_extralibs
2663 check_func gethrtime
2664 check_func getrusage
2665 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2666 check_func inet_aton $network_extralibs
2667 check_func isatty
2668 check_func ${malloc_prefix}memalign && enable memalign
2669 check_func mkstemp
2670 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
2671 check_func setrlimit
2672 check_func strerror_r
2673 check_func strtok_r
2674 check_func_headers io.h setmode
2675 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2676 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2677 check_func_headers windows.h GetProcessTimes
2678 check_func_headers windows.h VirtualAlloc
2679
2680 check_header conio.h
2681 check_header dlfcn.h
2682 check_header dxva2api.h
2683 check_header malloc.h
2684 check_header poll.h
2685 check_header sys/mman.h
2686 check_header sys/resource.h
2687 check_header sys/select.h
2688 check_header termios.h
2689 check_header vdpau/vdpau.h
2690 check_header vdpau/vdpau_x11.h
2691 check_header X11/extensions/XvMClib.h
2692
2693 check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2694
2695 if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2696 enabled_any $need_memalign ; then
2697 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2698 fi
2699
2700 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
2701 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2702
2703 # check for some common methods of building with pthread support
2704 # do this before the optional library checks as some of them require pthreads
2705 if ! disabled pthreads && ! enabled w32threads; then
2706 enable pthreads
2707 if check_func pthread_create; then
2708 :
2709 elif check_func pthread_create -pthread; then
2710 add_cflags -pthread
2711 add_extralibs -pthread
2712 elif check_func pthread_create -pthreads; then
2713 add_cflags -pthreads
2714 add_extralibs -pthreads
2715 elif check_func pthread_create -lpthreadGC2; then
2716 add_extralibs -lpthreadGC2
2717 elif ! check_lib pthread.h pthread_create -lpthread; then
2718 disable pthreads
2719 fi
2720 fi
2721
2722 for thread in $THREADS_LIST; do
2723 if enabled $thread; then
2724 test -n "$thread_type" &&
2725 die "ERROR: Only one thread type must be selected." ||
2726 thread_type="$thread"
2727 fi
2728 done
2729
2730 check_lib math.h sin -lm
2731 disabled vaapi || check_lib va/va.h vaInitialize -lva
2732
2733 check_mathfunc exp2
2734 check_mathfunc exp2f
2735 check_mathfunc llrint
2736 check_mathfunc llrintf
2737 check_mathfunc log2
2738 check_mathfunc log2f
2739 check_mathfunc lrint
2740 check_mathfunc lrintf
2741 check_mathfunc round
2742 check_mathfunc roundf
2743 check_mathfunc truncf
2744
2745 # these are off by default, so fail if requested and not available
2746 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2747 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
2748 enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2749 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2750 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
2751 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2752 enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
2753 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
2754 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
2755 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2756 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
2757 enabled libopencv && { check_lib opencv/cv.h cvCreateImageHeader $(pkg-config --libs opencv) ||
2758 die "ERROR: libopencv not found"; }
2759 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2760 enabled librtmp && { check_lib librtmp/rtmp.h RTMP_Socket $(pkg-config --libs librtmp) ||
2761 die "ERROR: librtmp not found or RTMP_Socket() missing, librtmp version must be >= 2.2.f"; }
2762 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2763 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2764 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2765 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2766 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2767 enabled libvpx && {
2768 enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
2769 die "ERROR: libvpx decoder version must be >=0.9.1"; }
2770 enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
2771 die "ERROR: libvpx encoder version must be >=0.9.1"; } }
2772 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
2773 { check_cpp_condition x264.h "X264_BUILD >= 99" ||
2774 die "ERROR: libx264 version must be >= 0.99."; }
2775 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
2776 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2777 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2778
2779 # libdc1394 check
2780 if enabled libdc1394; then
2781 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2782 enable libdc1394_2; } ||
2783 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2784 enable libdc1394_1; } ||
2785 die "ERROR: No version of libdc1394 found "
2786 fi
2787
2788 SDL_CONFIG="${cross_prefix}sdl-config"
2789 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2790 sdl_cflags=$("${SDL_CONFIG}" --cflags)
2791 sdl_libs=$("${SDL_CONFIG}" --libs)
2792 check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2793 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2794 enable sdl &&
2795 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2796 fi
2797
2798 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2799
2800 if enabled network; then
2801 check_type "sys/types.h sys/socket.h" socklen_t
2802 check_type netdb.h "struct addrinfo"
2803 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
2804 check_type netinet/in.h "struct sockaddr_in6"
2805 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2806 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2807 # Prefer arpa/inet.h over winsock2
2808 if check_header arpa/inet.h ; then
2809 check_func closesocket
2810 elif check_header winsock2.h ; then
2811 check_func_headers winsock2.h closesocket -lws2 && \
2812 network_extralibs="-lws2" || \
2813 { check_func_headers winsock2.h closesocket -lws2_32 && \
2814 network_extralibs="-lws2_32"; }
2815 check_type ws2tcpip.h socklen_t
2816 check_type ws2tcpip.h "struct addrinfo"
2817 check_type ws2tcpip.h "struct ipv6_mreq"
2818 check_type ws2tcpip.h "struct sockaddr_in6"
2819 check_type ws2tcpip.h "struct sockaddr_storage"
2820 check_struct winsock2.h "struct sockaddr" sa_len
2821 else
2822 disable network
2823 fi
2824 fi
2825
2826 check_header linux/videodev.h
2827 check_header linux/videodev2.h
2828 check_header sys/videoio.h
2829
2830 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2831 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
2832 # w32api 3.12 had it defined wrong
2833 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
2834
2835 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2836 { check_header dev/bktr/ioctl_meteor.h &&
2837 check_header dev/bktr/ioctl_bt848.h; } ||
2838 { check_header machine/ioctl_meteor.h &&
2839 check_header machine/ioctl_bt848.h; } ||
2840 { check_header dev/video/meteor/ioctl_meteor.h &&
2841 check_header dev/video/bktr/ioctl_bt848.h; } ||
2842 check_header dev/ic/bt8xx.h
2843
2844 check_header sys/soundcard.h
2845 check_header soundcard.h
2846
2847 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2848
2849 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2850
2851 enabled x11grab &&
2852 check_header X11/Xlib.h &&
2853 check_header X11/extensions/XShm.h &&
2854 check_header X11/extensions/Xfixes.h &&
2855 check_func XOpenDisplay -lX11 &&
2856 check_func XShmCreateImage -lX11 -lXext &&
2857 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2858
2859 if ! disabled vdpau && enabled vdpau_vdpau_h; then
2860 check_cpp_condition \
2861 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2862 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2863 disable vdpau; }
2864 fi
2865
2866 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2867
2868 # add some useful compiler flags if supported
2869 check_cflags -Wdeclaration-after-statement
2870 check_cflags -Wall
2871 check_cflags -Wno-parentheses
2872 check_cflags -Wno-switch
2873 check_cflags -Wdisabled-optimization
2874 check_cflags -Wpointer-arith
2875 check_cflags -Wredundant-decls
2876 check_cflags -Wno-pointer-sign
2877 check_cflags -Wcast-qual
2878 check_cflags -Wwrite-strings
2879 check_cflags -Wtype-limits
2880 check_cflags -Wundef
2881 check_cflags -Wmissing-prototypes
2882 enabled extra_warnings && check_cflags -Winline
2883
2884 # add some linker flags
2885 check_ldflags -Wl,--warn-common
2886 check_ldflags -Wl,--as-needed
2887 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)/libavcore -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
2888 check_ldflags -Wl,-Bsymbolic
2889
2890 echo "X{};" > $TMPV
2891 if test_ldflags -Wl,--version-script,$TMPV; then
2892 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2893 check_cc <<EOF && enable symver_asm_label
2894 void ff_foo(void) __asm__ ("av_foo@VERSION");
2895 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
2896 EOF
2897 check_cc <<EOF && enable symver_gnu_asm
2898 __asm__(".symver ff_foo,av_foo@VERSION");
2899 void ff_foo(void) {}
2900 EOF
2901 fi
2902
2903 if enabled small; then
2904 add_cflags $size_cflags
2905 optimizations="small"
2906 elif enabled optimizations; then
2907 add_cflags $speed_cflags
2908 else
2909 add_cflags $noopt_cflags
2910 fi
2911 check_cflags -fno-math-errno
2912 check_cflags -fno-signed-zeros
2913
2914 if enabled icc; then
2915 # Just warnings, no remarks
2916 check_cflags -w1
2917 # -wd: Disable following warnings
2918 # 144, 167, 556: -Wno-pointer-sign
2919 # 10006: ignoring unknown option -fno-signed-zeros
2920 # 10156: ignoring option '-W'; no argument required
2921 check_cflags -wd144,167,556,10006,10156
2922 # 11030: Warning unknown option --as-needed
2923 # 10156: ignoring option '-export'; no argument required
2924 check_ldflags -wd10156,11030
2925 # Allow to compile with optimizations
2926 check_ldflags -march=$cpu
2927 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2928 enable ebp_available
2929 if enabled x86_32; then
2930 test ${icc_version%%.*} -ge 11 && \
2931 check_cflags -falign-stack=maintain-16-byte || \
2932 disable aligned_stack
2933 fi
2934 elif enabled ccc; then
2935 # disable some annoying warnings
2936 add_cflags -msg_disable cvtu32to64
2937 add_cflags -msg_disable embedcomment
2938 add_cflags -msg_disable needconstext
2939 add_cflags -msg_disable nomainieee
2940 add_cflags -msg_disable ptrmismatch1
2941 add_cflags -msg_disable unreachcode
2942 elif enabled gcc; then
2943 check_cflags -fno-tree-vectorize
2944 check_cflags -Werror=implicit-function-declaration
2945 check_cflags -Werror=missing-prototypes
2946 elif enabled llvm_gcc; then
2947 check_cflags -mllvm -stack-alignment=16
2948 elif enabled clang; then
2949 check_cflags -mllvm -stack-alignment=16
2950 check_cflags -Qunused-arguments
2951 elif enabled armcc; then
2952 # 2523: use of inline assembler is deprecated
2953 add_cflags -W${armcc_opt},--diag_suppress=2523
2954 add_cflags -W${armcc_opt},--diag_suppress=1207
2955 elif enabled tms470; then
2956 add_cflags -pds=824 -pds=837
2957 fi
2958
2959 enabled_any $THREADS_LIST && enable threads
2960
2961 check_deps $CONFIG_LIST \
2962 $CONFIG_EXTRA \
2963 $HAVE_LIST \
2964 $DECODER_LIST \
2965 $ENCODER_LIST \
2966 $HWACCEL_LIST \
2967 $PARSER_LIST \
2968 $BSF_LIST \
2969 $DEMUXER_LIST \
2970 $MUXER_LIST \
2971 $FILTER_LIST \
2972 $INDEV_LIST \
2973 $OUTDEV_LIST \
2974 $PROTOCOL_LIST \
2975 $ACODEC_TESTS \
2976 $VCODEC_TESTS \
2977 $LAVF_TESTS \
2978 $LAVFI_TESTS \
2979 $SEEK_TESTS \
2980
2981 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
2982
2983 echo "install prefix $prefix"
2984 echo "source path $source_path"
2985 echo "C compiler $cc"
2986 echo "ARCH $arch ($cpu)"
2987 if test "$build_suffix" != ""; then
2988 echo "build suffix $build_suffix"
2989 fi
2990 if test "$extra_version" != ""; then
2991 echo "version string suffix $extra_version"
2992 fi
2993 echo "big-endian ${bigendian-no}"
2994 echo "runtime cpu detection ${runtime_cpudetect-no}"
2995 if enabled x86; then
2996 echo "yasm ${yasm-no}"
2997 echo "MMX enabled ${mmx-no}"
2998 echo "MMX2 enabled ${mmx2-no}"
2999 echo "3DNow! enabled ${amd3dnow-no}"
3000 echo "3DNow! extended enabled ${amd3dnowext-no}"
3001 echo "SSE enabled ${sse-no}"
3002 echo "SSSE3 enabled ${ssse3-no}"
3003 echo "CMOV enabled ${cmov-no}"
3004 echo "CMOV is fast ${fast_cmov-no}"
3005 echo "EBX available ${ebx_available-no}"
3006 echo "EBP available ${ebp_available-no}"
3007 echo "10 operands supported ${ten_operands-no}"
3008 fi
3009 if enabled arm; then
3010 echo "ARMv5TE enabled ${armv5te-no}"
3011 echo "ARMv6 enabled ${armv6-no}"
3012 echo "ARMv6T2 enabled ${armv6t2-no}"
3013 echo "ARM VFP enabled ${armvfp-no}"
3014 echo "IWMMXT enabled ${iwmmxt-no}"
3015 echo "NEON enabled ${neon-no}"
3016 fi
3017 if enabled mips; then
3018 echo "MMI enabled ${mmi-no}"
3019 fi
3020 if enabled ppc; then
3021 echo "AltiVec enabled ${altivec-no}"
3022 echo "PPC 4xx optimizations ${ppc4xx-no}"
3023 echo "dcbzl available ${dcbzl-no}"
3024 fi
3025 if enabled sparc; then
3026 echo "VIS enabled ${vis-no}"
3027 fi
3028 echo "debug symbols ${debug-no}"
3029 echo "strip symbols ${stripping-no}"
3030 echo "optimizations ${optimizations-no}"
3031 echo "static ${static-no}"
3032 echo "shared ${shared-no}"
3033 echo "postprocessing support ${postproc-no}"
3034 echo "new filter support ${avfilter-no}"
3035 echo "network support ${network-no}"
3036 echo "threading support ${thread_type-no}"
3037 echo "SDL support ${sdl-no}"
3038 echo "Sun medialib support ${mlib-no}"
3039 echo "AVISynth enabled ${avisynth-no}"
3040 echo "frei0r enabled ${frei0r-no}"
3041 echo "libdc1394 support ${libdc1394-no}"
3042 echo "libdirac enabled ${libdirac-no}"
3043 echo "libfaac enabled ${libfaac-no}"
3044 echo "libgsm enabled ${libgsm-no}"
3045 echo "libmp3lame enabled ${libmp3lame-no}"
3046 echo "libnut enabled ${libnut-no}"
3047 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3048 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3049 echo "libopencv support ${libopencv-no}"
3050 echo "libopenjpeg enabled ${libopenjpeg-no}"
3051 echo "librtmp enabled ${librtmp-no}"
3052 echo "libschroedinger enabled ${libschroedinger-no}"
3053 echo "libspeex enabled ${libspeex-no}"
3054 echo "libtheora enabled ${libtheora-no}"
3055 echo "libvorbis enabled ${libvorbis-no}"
3056 echo "libvpx enabled ${libvpx-no}"
3057 echo "libx264 enabled ${libx264-no}"
3058 echo "libxavs enabled ${libxavs-no}"
3059 echo "libxvid enabled ${libxvid-no}"
3060 echo "zlib enabled ${zlib-no}"
3061 echo "bzlib enabled ${bzlib-no}"
3062 echo
3063
3064 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3065 echo "Enabled ${type}s:"
3066 eval list=\$$(toupper $type)_LIST
3067 print_enabled '_*' $list | sort | pr -3 -t
3068 echo
3069 done
3070
3071 license="LGPL version 2.1 or later"
3072 if enabled nonfree; then
3073 license="nonfree and unredistributable"
3074 elif enabled gplv3; then
3075 license="GPL version 3 or later"
3076 elif enabled lgplv3; then
3077 license="LGPL version 3 or later"
3078 elif enabled gpl; then
3079 license="GPL version 2 or later"
3080 fi
3081
3082 echo "License: $license"
3083
3084 echo "Creating config.mak and config.h..."
3085
3086 # build tree in object directory if source path is different from current one
3087 if enabled source_path_used; then
3088 DIRS="
3089 doc
3090 libavcodec
3091 libavcodec/$arch
3092 libavcore
3093 libavdevice
3094 libavfilter
3095 libavfilter/$arch
3096 libavformat
3097 libavutil
3098 libavutil/$arch
3099 libpostproc
3100 libswscale
3101 libswscale/$arch
3102 tests
3103 tools
3104 "
3105 FILES="
3106 Makefile
3107 common.mak
3108 subdir.mak
3109 doc/texi2pod.pl
3110 libavcodec/Makefile
3111 libavcodec/${arch}/Makefile
3112 libavcore/Makefile
3113 libavdevice/Makefile
3114 libavfilter/Makefile
3115 libavfilter/${arch}/Makefile
3116 libavformat/Makefile
3117 libavutil/Makefile
3118 libpostproc/Makefile
3119 libswscale/Makefile
3120 "
3121 map 'mkdir -p $v' $DIRS;
3122 map 'test -f "$source_path/$v" && $ln_s "$source_path/$v" $v' $FILES
3123 fi
3124
3125 enabled stripping || strip="echo skipping strip"
3126
3127 config_files="$TMPH config.mak"
3128
3129 cat > config.mak <<EOF
3130 # Automatically generated by configure - do not modify!
3131 ifndef FFMPEG_CONFIG_MAK
3132 FFMPEG_CONFIG_MAK=1
3133 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
3134 prefix=$prefix
3135 LIBDIR=\$(DESTDIR)$libdir
3136 SHLIBDIR=\$(DESTDIR)$shlibdir
3137 INCDIR=\$(DESTDIR)$incdir
3138 BINDIR=\$(DESTDIR)$bindir
3139 DATADIR=\$(DESTDIR)$datadir
3140 MANDIR=\$(DESTDIR)$mandir
3141 SRC_PATH="$source_path"
3142 SRC_PATH_BARE=$source_path
3143 BUILD_ROOT="$PWD"
3144 CC_IDENT=$cc_ident
3145 ARCH=$arch
3146 CC=$cc
3147 AS=$as
3148 LD=$ld
3149 DEPCC=$dep_cc
3150 YASM=$yasmexe
3151 YASMDEP=$yasmexe
3152 AR=$ar
3153 RANLIB=$ranlib
3154 CP=cp -p
3155 LN_S=$ln_s
3156 STRIP=$strip
3157 CPPFLAGS=$CPPFLAGS
3158 CFLAGS=$CFLAGS
3159 ASFLAGS=$ASFLAGS
3160 CC_O=$CC_O
3161 LDFLAGS=$LDFLAGS
3162 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3163 SHFLAGS=$SHFLAGS
3164 YASMFLAGS=$YASMFLAGS
3165 BUILDSUF=$build_suffix
3166 FULLNAME=$FULLNAME
3167 LIBPREF=$LIBPREF
3168 LIBSUF=$LIBSUF
3169 LIBNAME=$LIBNAME
3170 SLIBPREF=$SLIBPREF
3171 SLIBSUF=$SLIBSUF
3172 EXESUF=$EXESUF
3173 EXTRA_VERSION=$extra_version
3174 DEPFLAGS=$DEPFLAGS
3175 CCDEP=$CCDEP
3176 ASDEP=$ASDEP
3177 CC_DEPFLAGS=$CC_DEPFLAGS
3178 AS_DEPFLAGS=$AS_DEPFLAGS
3179 HOSTCC=$host_cc
3180 HOSTCFLAGS=$host_cflags
3181 HOSTEXESUF=$HOSTEXESUF
3182 HOSTLDFLAGS=$host_ldflags
3183 HOSTLIBS=$host_libs
3184 TARGET_EXEC=$target_exec
3185 TARGET_PATH=$target_path
3186 SDL_LIBS=$sdl_libs
3187 SDL_CFLAGS=$sdl_cflags
3188 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3189 EXTRALIBS=$extralibs
3190 INSTALL=install
3191 LIBTARGET=${LIBTARGET}
3192 SLIBNAME=${SLIBNAME}
3193 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3194 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3195 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3196 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3197 SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
3198 SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
3199 SAMPLES=$samples
3200 EOF
3201
3202 get_version(){
3203 name=$1
3204 file=$source_path/$2
3205 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3206 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3207 lcname=$(tolower $name)
3208 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3209 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3210 }
3211
3212 get_version LIBSWSCALE libswscale/swscale.h
3213 get_version LIBPOSTPROC libpostproc/postprocess.h
3214 get_version LIBAVCODEC libavcodec/avcodec.h
3215 get_version LIBAVCORE libavcore/avcore.h
3216 get_version LIBAVDEVICE libavdevice/avdevice.h
3217 get_version LIBAVFORMAT libavformat/avformat.h
3218 get_version LIBAVUTIL libavutil/avutil.h
3219 get_version LIBAVFILTER libavfilter/avfilter.h
3220
3221 cat > $TMPH <<EOF
3222 /* Automatically generated by configure - do not modify! */
3223 #ifndef FFMPEG_CONFIG_H
3224 #define FFMPEG_CONFIG_H
3225 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3226 #define FFMPEG_LICENSE "$(c_escape $license)"
3227 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3228 #define CC_TYPE "$cc_type"
3229 #define CC_VERSION $cc_version
3230 #define restrict $_restrict
3231 #define ASMALIGN(ZEROBITS) ".p2align " #ZEROBITS "\\n\\t"
3232 #define EXTERN_PREFIX "${extern_prefix}"
3233 #define EXTERN_ASM ${extern_prefix}
3234 #define SLIBSUF "$SLIBSUF"
3235 EOF
3236
3237 test -n "$malloc_prefix" &&
3238 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3239
3240 if enabled small || disabled optimizations; then
3241 echo "#undef av_always_inline" >> $TMPH
3242 echo "#define av_always_inline" >> $TMPH
3243 fi
3244
3245 if enabled yasm; then
3246 append config_files $TMPASM
3247 printf '' >$TMPASM
3248 fi
3249
3250 print_config ARCH_ "$config_files" $ARCH_LIST
3251 print_config HAVE_ "$config_files" $HAVE_LIST
3252 print_config CONFIG_ "$config_files" $CONFIG_LIST \
3253 $CONFIG_EXTRA \
3254 $DECODER_LIST \
3255 $ENCODER_LIST \
3256 $HWACCEL_LIST \
3257 $PARSER_LIST \
3258 $BSF_LIST \
3259 $DEMUXER_LIST \
3260 $MUXER_LIST \
3261 $FILTER_LIST \
3262 $PROTOCOL_LIST \
3263 $INDEV_LIST \
3264 $OUTDEV_LIST \
3265
3266 cat >>config.mak <<EOF
3267 ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3268 VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3269 LAVF_TESTS=$(print_enabled -n _test $LAVF_TESTS)
3270 LAVFI_TESTS=$(print_enabled -n _test $LAVFI_TESTS)
3271 SEEK_TESTS=$(print_enabled -n _test $SEEK_TESTS)
3272 EOF
3273
3274 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3275 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3276
3277 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3278 cp_if_changed $TMPH config.h
3279 touch .config
3280
3281 enabled yasm && cp_if_changed $TMPASM config.asm
3282
3283 cat > $TMPH <<EOF
3284 /* Generated by ffconf */
3285 #ifndef AVUTIL_AVCONFIG_H
3286 #define AVUTIL_AVCONFIG_H
3287 EOF
3288
3289 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3290
3291 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3292
3293 cp_if_changed $TMPH libavutil/avconfig.h
3294
3295 test -n "$WARNINGS" && printf "\n$WARNINGS"
3296
3297 # build pkg-config files
3298
3299 pkgconfig_generate(){
3300 name=$1
3301 shortname=${name#lib}${build_suffix}
3302 comment=$2
3303 version=$3
3304 libs=$4
3305 requires=$5
3306 enabled ${name#lib} || return 0
3307 cat <<EOF > $name/$name.pc
3308 prefix=$prefix
3309 exec_prefix=\${prefix}
3310 libdir=$libdir
3311 includedir=$incdir
3312
3313 Name: $name
3314 Description: $comment
3315 Version: $version
3316 Requires: $(enabled shared || echo $requires)
3317 Requires.private: $(enabled shared && echo $requires)
3318 Conflicts:
3319 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3320 Libs.private: $(enabled shared && echo $libs)
3321 Cflags: -I\${includedir}
3322 EOF
3323 cat <<EOF > $name/$name-uninstalled.pc
3324 prefix=
3325 exec_prefix=
3326 libdir=\${pcfiledir}
3327 includedir=${source_path}
3328
3329 Name: $name
3330 Description: $comment
3331 Version: $version
3332 Requires: $requires
3333 Conflicts:
3334 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3335 Cflags: -I\${includedir}
3336 EOF
3337 }
3338
3339 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
3340 pkgconfig_generate libavcore "FFmpeg multimedia shared core utilities library" "$LIBAVCORE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3341 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavcore = $LIBAVCORE_VERSION"
3342 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3343 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3344 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavcore = $LIBAVCORE_VERSION"
3345 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
3346 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"