avfilter: add doubleweave filter
[ffmpeg.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 test -d /usr/xpg4/bin && PATH=/usr/xpg4/bin:$PATH
58
59 show_help(){
60     cat <<EOF
61 Usage: configure [options]
62 Options: [defaults in brackets after descriptions]
63
64 Help options:
65   --help                   print this message
66   --quiet                  Suppress showing informative output
67   --list-decoders          show all available decoders
68   --list-encoders          show all available encoders
69   --list-hwaccels          show all available hardware accelerators
70   --list-demuxers          show all available demuxers
71   --list-muxers            show all available muxers
72   --list-parsers           show all available parsers
73   --list-protocols         show all available protocols
74   --list-bsfs              show all available bitstream filters
75   --list-indevs            show all available input devices
76   --list-outdevs           show all available output devices
77   --list-filters           show all available filters
78
79 Standard options:
80   --logfile=FILE           log tests and output to FILE [config.log]
81   --disable-logging        do not log configure debug information
82   --fatal-warnings         fail if any configure warning is generated
83   --prefix=PREFIX          install in PREFIX [$prefix_default]
84   --bindir=DIR             install binaries in DIR [PREFIX/bin]
85   --datadir=DIR            install data files in DIR [PREFIX/share/ffmpeg]
86   --docdir=DIR             install documentation in DIR [PREFIX/share/doc/ffmpeg]
87   --libdir=DIR             install libs in DIR [PREFIX/lib]
88   --shlibdir=DIR           install shared libs in DIR [LIBDIR]
89   --incdir=DIR             install includes in DIR [PREFIX/include]
90   --mandir=DIR             install man page in DIR [PREFIX/share/man]
91   --pkgconfigdir=DIR       install pkg-config files in DIR [LIBDIR/pkgconfig]
92   --enable-rpath           use rpath to allow installing libraries in paths
93                            not part of the dynamic linker search path
94                            use rpath when linking programs (USE WITH CARE)
95   --install-name-dir=DIR   Darwin directory name for installed targets
96
97 Licensing options:
98   --enable-gpl             allow use of GPL code, the resulting libs
99                            and binaries will be under GPL [no]
100   --enable-version3        upgrade (L)GPL to version 3 [no]
101   --enable-nonfree         allow use of nonfree code, the resulting libs
102                            and binaries will be unredistributable [no]
103
104 Configuration options:
105   --disable-static         do not build static libraries [no]
106   --enable-shared          build shared libraries [no]
107   --enable-small           optimize for size instead of speed
108   --disable-runtime-cpudetect disable detecting CPU capabilities at runtime (smaller binary)
109   --enable-gray            enable full grayscale support (slower color)
110   --disable-swscale-alpha  disable alpha channel support in swscale
111   --disable-all            disable building components, libraries and programs
112   --enable-raise-major     increase major version numbers in sonames [no]
113
114 Program options:
115   --disable-programs       do not build command line programs
116   --disable-ffmpeg         disable ffmpeg build
117   --disable-ffplay         disable ffplay build
118   --disable-ffprobe        disable ffprobe build
119   --disable-ffserver       disable ffserver build
120
121 Documentation options:
122   --disable-doc            do not build documentation
123   --disable-htmlpages      do not build HTML documentation pages
124   --disable-manpages       do not build man documentation pages
125   --disable-podpages       do not build POD documentation pages
126   --disable-txtpages       do not build text documentation pages
127
128 Component options:
129   --disable-avdevice       disable libavdevice build
130   --disable-avcodec        disable libavcodec build
131   --disable-avformat       disable libavformat build
132   --disable-swresample     disable libswresample build
133   --disable-swscale        disable libswscale build
134   --disable-postproc       disable libpostproc build
135   --disable-avfilter       disable libavfilter build
136   --enable-avresample      enable libavresample build [no]
137   --disable-pthreads       disable pthreads [autodetect]
138   --disable-w32threads     disable Win32 threads [autodetect]
139   --disable-os2threads     disable OS/2 threads [autodetect]
140   --disable-network        disable network support [no]
141   --disable-dct            disable DCT code
142   --disable-dwt            disable DWT code
143   --disable-error-resilience disable error resilience code
144   --disable-lsp            disable LSP code
145   --disable-lzo            disable LZO decoder code
146   --disable-mdct           disable MDCT code
147   --disable-rdft           disable RDFT code
148   --disable-fft            disable FFT code
149   --disable-faan           disable floating point AAN (I)DCT code
150   --disable-pixelutils     disable pixel utils in libavutil
151
152 Individual component options:
153   --disable-everything     disable all components listed below
154   --disable-encoder=NAME   disable encoder NAME
155   --enable-encoder=NAME    enable encoder NAME
156   --disable-encoders       disable all encoders
157   --disable-decoder=NAME   disable decoder NAME
158   --enable-decoder=NAME    enable decoder NAME
159   --disable-decoders       disable all decoders
160   --disable-hwaccel=NAME   disable hwaccel NAME
161   --enable-hwaccel=NAME    enable hwaccel NAME
162   --disable-hwaccels       disable all hwaccels
163   --disable-muxer=NAME     disable muxer NAME
164   --enable-muxer=NAME      enable muxer NAME
165   --disable-muxers         disable all muxers
166   --disable-demuxer=NAME   disable demuxer NAME
167   --enable-demuxer=NAME    enable demuxer NAME
168   --disable-demuxers       disable all demuxers
169   --enable-parser=NAME     enable parser NAME
170   --disable-parser=NAME    disable parser NAME
171   --disable-parsers        disable all parsers
172   --enable-bsf=NAME        enable bitstream filter NAME
173   --disable-bsf=NAME       disable bitstream filter NAME
174   --disable-bsfs           disable all bitstream filters
175   --enable-protocol=NAME   enable protocol NAME
176   --disable-protocol=NAME  disable protocol NAME
177   --disable-protocols      disable all protocols
178   --enable-indev=NAME      enable input device NAME
179   --disable-indev=NAME     disable input device NAME
180   --disable-indevs         disable input devices
181   --enable-outdev=NAME     enable output device NAME
182   --disable-outdev=NAME    disable output device NAME
183   --disable-outdevs        disable output devices
184   --disable-devices        disable all devices
185   --enable-filter=NAME     enable filter NAME
186   --disable-filter=NAME    disable filter NAME
187   --disable-filters        disable all filters
188
189 External library support:
190
191   Using any of the following switches will allow FFmpeg to link to the
192   corresponding external library. All the components depending on that library
193   will become enabled, if all their other dependencies are met and they are not
194   explicitly disabled. E.g. --enable-libwavpack will enable linking to
195   libwavpack and allow the libwavpack encoder to be built, unless it is
196   specifically disabled with --disable-encoder=libwavpack.
197
198   Note that only the system libraries are auto-detected. All the other external
199   libraries must be explicitly enabled.
200
201   Also note that the following help text describes the purpose of the libraries
202   themselves, not all their features will necessarily be usable by FFmpeg.
203
204   --enable-avisynth        enable reading of AviSynth script files [no]
205   --disable-bzlib          disable bzlib [autodetect]
206   --enable-chromaprint     enable audio fingerprinting with chromaprint [no]
207   --enable-frei0r          enable frei0r video filtering [no]
208   --enable-gcrypt          enable gcrypt, needed for rtmp(t)e support
209                            if openssl, librtmp or gmp is not used [no]
210   --enable-gmp             enable gmp, needed for rtmp(t)e support
211                            if openssl or librtmp is not used [no]
212   --enable-gnutls          enable gnutls, needed for https support
213                            if openssl is not used [no]
214   --disable-iconv          disable iconv [autodetect]
215   --enable-jni             enable JNI support [no]
216   --enable-ladspa          enable LADSPA audio filtering [no]
217   --enable-libass          enable libass subtitles rendering,
218                            needed for subtitles and ass filter [no]
219   --enable-libbluray       enable BluRay reading using libbluray [no]
220   --enable-libbs2b         enable bs2b DSP library [no]
221   --enable-libcaca         enable textual display using libcaca [no]
222   --enable-libcelt         enable CELT decoding via libcelt [no]
223   --enable-libcdio         enable audio CD grabbing with libcdio [no]
224   --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394
225                            and libraw1394 [no]
226   --enable-libfdk-aac      enable AAC de/encoding via libfdk-aac [no]
227   --enable-libflite        enable flite (voice synthesis) support via libflite [no]
228   --enable-libfontconfig   enable libfontconfig, useful for drawtext filter [no]
229   --enable-libfreetype     enable libfreetype, needed for drawtext filter [no]
230   --enable-libfribidi      enable libfribidi, improves drawtext filter [no]
231   --enable-libgme          enable Game Music Emu via libgme [no]
232   --enable-libgsm          enable GSM de/encoding via libgsm [no]
233   --enable-libiec61883     enable iec61883 via libiec61883 [no]
234   --enable-libilbc         enable iLBC de/encoding via libilbc [no]
235   --enable-libkvazaar      enable HEVC encoding via libkvazaar [no]
236   --enable-libmodplug      enable ModPlug via libmodplug [no]
237   --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]
238   --enable-libnut          enable NUT (de)muxing via libnut,
239                            native (de)muxer exists [no]
240   --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
241   --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
242   --enable-libopencv       enable video filtering via libopencv [no]
243   --enable-libopenh264     enable H.264 encoding via OpenH264 [no]
244   --enable-libopenjpeg     enable JPEG 2000 de/encoding via OpenJPEG [no]
245   --enable-libopenmpt      enable decoding tracked files via libopenmpt [no]
246   --enable-libopus         enable Opus de/encoding via libopus [no]
247   --enable-libpulse        enable Pulseaudio input via libpulse [no]
248   --enable-librubberband   enable rubberband needed for rubberband filter [no]
249   --enable-librtmp         enable RTMP[E] support via librtmp [no]
250   --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
251   --enable-libshine        enable fixed-point MP3 encoding via libshine [no]
252   --enable-libsmbclient    enable Samba protocol via libsmbclient [no]
253   --enable-libsnappy       enable Snappy compression, needed for hap encoding [no]
254   --enable-libsoxr         enable Include libsoxr resampling [no]
255   --enable-libspeex        enable Speex de/encoding via libspeex [no]
256   --enable-libssh          enable SFTP protocol via libssh [no]
257   --enable-libtesseract    enable Tesseract, needed for ocr filter [no]
258   --enable-libtheora       enable Theora encoding via libtheora [no]
259   --enable-libtwolame      enable MP2 encoding via libtwolame [no]
260   --enable-libv4l2         enable libv4l2/v4l-utils [no]
261   --enable-libvidstab      enable video stabilization using vid.stab [no]
262   --enable-libvo-amrwbenc  enable AMR-WB encoding via libvo-amrwbenc [no]
263   --enable-libvorbis       enable Vorbis en/decoding via libvorbis,
264                            native implementation exists [no]
265   --enable-libvpx          enable VP8 and VP9 de/encoding via libvpx [no]
266   --enable-libwavpack      enable wavpack encoding via libwavpack [no]
267   --enable-libwebp         enable WebP encoding via libwebp [no]
268   --enable-libx264         enable H.264 encoding via x264 [no]
269   --enable-libx265         enable HEVC encoding via x265 [no]
270   --enable-libxavs         enable AVS encoding via xavs [no]
271   --enable-libxcb          enable X11 grabbing using XCB [autodetect]
272   --enable-libxcb-shm      enable X11 grabbing shm communication [autodetect]
273   --enable-libxcb-xfixes   enable X11 grabbing mouse rendering [autodetect]
274   --enable-libxcb-shape    enable X11 grabbing shape rendering [autodetect]
275   --enable-libxvid         enable Xvid encoding via xvidcore,
276                            native MPEG-4/Xvid encoder exists [no]
277   --enable-libzimg         enable z.lib, needed for zscale filter [no]
278   --enable-libzmq          enable message passing via libzmq [no]
279   --enable-libzvbi         enable teletext support via libzvbi [no]
280   --disable-lzma           disable lzma [autodetect]
281   --enable-decklink        enable Blackmagic DeckLink I/O support [no]
282   --enable-mediacodec      enable Android MediaCodec support [no]
283   --enable-netcdf          enable NetCDF, needed for sofalizer filter [no]
284   --enable-openal          enable OpenAL 1.1 capture support [no]
285   --enable-opencl          enable OpenCL code
286   --enable-opengl          enable OpenGL rendering [no]
287   --enable-openssl         enable openssl, needed for https support
288                            if gnutls is not used [no]
289   --disable-schannel       disable SChannel SSP, needed for TLS support on
290                            Windows if openssl and gnutls are not used [autodetect]
291   --disable-sdl2           disable sdl2 [autodetect]
292   --disable-securetransport disable Secure Transport, needed for TLS support
293                            on OSX if openssl and gnutls are not used [autodetect]
294   --disable-xlib           disable xlib [autodetect]
295   --disable-zlib           disable zlib [autodetect]
296
297   The following libraries provide various hardware acceleration features:
298   --disable-audiotoolbox   disable Apple AudioToolbox code [autodetect]
299   --disable-cuda           disable dynamically linked Nvidia CUDA code [autodetect]
300   --disable-cuvid          disable Nvidia CUVID support [autodetect]
301   --disable-d3d11va        disable Microsoft Direct3D 11 video acceleration code [autodetect]
302   --disable-dxva2          disable Microsoft DirectX 9 video acceleration code [autodetect]
303   --enable-libmfx          enable Intel MediaSDK (AKA Quick Sync Video) code via libmfx [no]
304   --enable-libnpp          enable Nvidia Performance Primitives-based code [no]
305   --enable-mmal            enable Broadcom Multi-Media Abstraction Layer (Raspberry Pi) via MMAL [no]
306   --disable-nvenc          disable Nvidia video encoding code [autodetect]
307   --enable-omx             enable OpenMAX IL code [no]
308   --enable-omx-rpi         enable OpenMAX IL code for Raspberry Pi [no]
309   --disable-vaapi          disable Video Acceleration API (mainly Unix/Intel) code [autodetect]
310   --disable-vda            disable Apple Video Decode Acceleration code [autodetect]
311   --disable-vdpau          disable Nvidia Video Decode and Presentation API for Unix code [autodetect]
312   --disable-videotoolbox   disable VideoToolbox code [autodetect]
313
314 Toolchain options:
315   --arch=ARCH              select architecture [$arch]
316   --cpu=CPU                select the minimum required CPU (affects
317                            instruction selection, may crash on older CPUs)
318   --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]
319   --progs-suffix=SUFFIX    program name suffix []
320   --enable-cross-compile   assume a cross-compiler is used
321   --sysroot=PATH           root of cross-build tree
322   --sysinclude=PATH        location of cross-build system headers
323   --target-os=OS           compiler targets OS [$target_os]
324   --target-exec=CMD        command to run executables on target
325   --target-path=DIR        path to view of build directory on target
326   --target-samples=DIR     path to samples directory on target
327   --tempprefix=PATH        force fixed dir/prefix instead of mktemp for checks
328   --toolchain=NAME         set tool defaults according to NAME
329   --nm=NM                  use nm tool NM [$nm_default]
330   --ar=AR                  use archive tool AR [$ar_default]
331   --as=AS                  use assembler AS [$as_default]
332   --ln_s=LN_S              use symbolic link tool LN_S [$ln_s_default]
333   --strip=STRIP            use strip tool STRIP [$strip_default]
334   --windres=WINDRES        use windows resource compiler WINDRES [$windres_default]
335   --yasmexe=EXE            use yasm-compatible assembler EXE [$yasmexe_default]
336   --cc=CC                  use C compiler CC [$cc_default]
337   --cxx=CXX                use C compiler CXX [$cxx_default]
338   --objcc=OCC              use ObjC compiler OCC [$cc_default]
339   --dep-cc=DEPCC           use dependency generator DEPCC [$cc_default]
340   --ld=LD                  use linker LD [$ld_default]
341   --pkg-config=PKGCONFIG   use pkg-config tool PKGCONFIG [$pkg_config_default]
342   --pkg-config-flags=FLAGS pass additional flags to pkgconf []
343   --ranlib=RANLIB          use ranlib RANLIB [$ranlib_default]
344   --doxygen=DOXYGEN        use DOXYGEN to generate API doc [$doxygen_default]
345   --host-cc=HOSTCC         use host C compiler HOSTCC
346   --host-cflags=HCFLAGS    use HCFLAGS when compiling for host
347   --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
348   --host-ld=HOSTLD         use host linker HOSTLD
349   --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host
350   --host-libs=HLIBS        use libs HLIBS when linking for host
351   --host-os=OS             compiler host OS [$target_os]
352   --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]
353   --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
354   --extra-objcflags=FLAGS  add FLAGS to OBJCFLAGS [$CFLAGS]
355   --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
356   --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
357   --extra-ldlibflags=ELDFLAGS add ELDFLAGS to LDLIBFLAGS [$LDLIBFLAGS]
358   --extra-libs=ELIBS       add ELIBS [$ELIBS]
359   --extra-version=STRING   version string suffix []
360   --optflags=OPTFLAGS      override optimization-related compiler flags
361   --build-suffix=SUFFIX    library name suffix []
362   --enable-pic             build position-independent code
363   --enable-thumb           compile for Thumb instruction set
364   --enable-lto             use link-time optimization
365   --env="ENV=override"     override the environment variables
366
367 Advanced options (experts only):
368   --malloc-prefix=PREFIX   prefix malloc and related names with PREFIX
369   --custom-allocator=NAME  use a supported custom allocator
370   --disable-symver         disable symbol versioning
371   --enable-hardcoded-tables use hardcoded tables instead of runtime generation
372   --disable-safe-bitstream-reader
373                            disable buffer boundary checking in bitreaders
374                            (faster, but may crash)
375   --sws-max-filter-size=N  the max filter size swscale uses [$sws_max_filter_size_default]
376
377 Optimization options (experts only):
378   --disable-asm            disable all assembly optimizations
379   --disable-altivec        disable AltiVec optimizations
380   --disable-vsx            disable VSX optimizations
381   --disable-power8         disable POWER8 optimizations
382   --disable-amd3dnow       disable 3DNow! optimizations
383   --disable-amd3dnowext    disable 3DNow! extended optimizations
384   --disable-mmx            disable MMX optimizations
385   --disable-mmxext         disable MMXEXT optimizations
386   --disable-sse            disable SSE optimizations
387   --disable-sse2           disable SSE2 optimizations
388   --disable-sse3           disable SSE3 optimizations
389   --disable-ssse3          disable SSSE3 optimizations
390   --disable-sse4           disable SSE4 optimizations
391   --disable-sse42          disable SSE4.2 optimizations
392   --disable-avx            disable AVX optimizations
393   --disable-xop            disable XOP optimizations
394   --disable-fma3           disable FMA3 optimizations
395   --disable-fma4           disable FMA4 optimizations
396   --disable-avx2           disable AVX2 optimizations
397   --disable-aesni          disable AESNI optimizations
398   --disable-armv5te        disable armv5te optimizations
399   --disable-armv6          disable armv6 optimizations
400   --disable-armv6t2        disable armv6t2 optimizations
401   --disable-vfp            disable VFP optimizations
402   --disable-neon           disable NEON optimizations
403   --disable-inline-asm     disable use of inline assembly
404   --disable-yasm           disable use of nasm/yasm assembly
405   --disable-mipsdsp        disable MIPS DSP ASE R1 optimizations
406   --disable-mipsdspr2      disable MIPS DSP ASE R2 optimizations
407   --disable-msa            disable MSA optimizations
408   --disable-mipsfpu        disable floating point MIPS optimizations
409   --disable-mmi            disable Loongson SIMD optimizations
410   --disable-fast-unaligned consider unaligned accesses slow
411
412 Developer options (useful when working on FFmpeg itself):
413   --disable-debug          disable debugging symbols
414   --enable-debug=LEVEL     set the debug level [$debuglevel]
415   --disable-optimizations  disable compiler optimizations
416   --enable-extra-warnings  enable more compiler warnings
417   --disable-stripping      disable stripping of executables and shared libraries
418   --assert-level=level     0(default), 1 or 2, amount of assertion testing,
419                            2 causes a slowdown at runtime.
420   --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
421   --valgrind=VALGRIND      run "make fate" tests through valgrind to detect memory
422                            leaks and errors, using the specified valgrind binary.
423                            Cannot be combined with --target-exec
424   --enable-ftrapv          Trap arithmetic overflows
425   --samples=PATH           location of test samples for FATE, if not set use
426                            \$FATE_SAMPLES at make invocation time.
427   --enable-neon-clobber-test check NEON registers for clobbering (should be
428                            used only for debugging purposes)
429   --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
430                            should be used only for debugging purposes)
431   --enable-random          randomly enable/disable components
432   --disable-random
433   --enable-random=LIST     randomly enable/disable specific components or
434   --disable-random=LIST    component groups. LIST is a comma-separated list
435                            of NAME[:PROB] entries where NAME is a component
436                            (group) and PROB the probability associated with
437                            NAME (default 0.5).
438   --random-seed=VALUE      seed value for --enable/disable-random
439   --disable-valgrind-backtrace do not print a backtrace under Valgrind
440                            (only applies to --disable-optimizations builds)
441
442 NOTE: Object files are built at the place where configure is launched.
443 EOF
444   exit 0
445 }
446
447 quotes='""'
448 if test -t 1 && which tput >/dev/null 2>&1; then
449     ncolors=$(tput colors)
450     if test -n "$ncolors" && test $ncolors -ge 8; then
451         bold_color=$(tput bold)
452         warn_color=$(tput setaf 3)
453         error_color=$(tput setaf 1)
454         reset_color=$(tput sgr0)
455     fi
456     # 72 used instead of 80 since that's the default of pr
457     ncols=$(tput cols)
458 fi
459 : ${ncols:=72}
460
461 log(){
462     echo "$@" >> $logfile
463 }
464
465 log_file(){
466     log BEGIN $1
467     pr -n -t $1 >> $logfile
468     log END $1
469 }
470
471 warn(){
472     log "WARNING: $*"
473     WARNINGS="${WARNINGS}WARNING: $*\n"
474 }
475
476 die(){
477     log "$@"
478     echo "$error_color$bold_color$@$reset_color"
479     cat <<EOF
480
481 If you think configure made a mistake, make sure you are using the latest
482 version from Git.  If the latest version fails, report the problem to the
483 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
484 EOF
485     if disabled logging; then
486         cat <<EOF
487 Rerun configure with logging enabled (do not use --disable-logging), and
488 include the log this produces with your report.
489 EOF
490     else
491         cat <<EOF
492 Include the log file "$logfile" produced by configure as this will help
493 solve the problem.
494 EOF
495     fi
496     exit 1
497 }
498
499 # Avoid locale weirdness, besides we really just want to translate ASCII.
500 toupper(){
501     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
502 }
503
504 tolower(){
505     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
506 }
507
508 c_escape(){
509     echo "$*" | sed 's/["\\]/\\\0/g'
510 }
511
512 sh_quote(){
513     v=$(echo "$1" | sed "s/'/'\\\\''/g")
514     test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
515     echo "$v"
516 }
517
518 cleanws(){
519     echo "$@" | sed 's/^ *//;s/[[:space:]][[:space:]]*/ /g;s/ *$//'
520 }
521
522 filter(){
523     pat=$1
524     shift
525     for v; do
526         eval "case $v in $pat) printf '%s ' $v ;; esac"
527     done
528 }
529
530 filter_out(){
531     pat=$1
532     shift
533     for v; do
534         eval "case $v in $pat) ;; *) printf '%s ' $v ;; esac"
535     done
536 }
537
538 map(){
539     m=$1
540     shift
541     for v; do eval $m; done
542 }
543
544 add_suffix(){
545     suffix=$1
546     shift
547     for v; do echo ${v}${suffix}; done
548 }
549
550 set_all(){
551     value=$1
552     shift
553     for var in $*; do
554         eval $var=$value
555     done
556 }
557
558 set_weak(){
559     value=$1
560     shift
561     for var; do
562         eval : \${$var:=$value}
563     done
564 }
565
566 sanitize_var_name(){
567     echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
568 }
569
570 set_safe(){
571     var=$1
572     shift
573     eval $(sanitize_var_name "$var")='$*'
574 }
575
576 get_safe(){
577     eval echo \$$(sanitize_var_name "$1")
578 }
579
580 pushvar(){
581     for pvar in $*; do
582         eval level=\${${pvar}_level:=0}
583         eval ${pvar}_${level}="\$$pvar"
584         eval ${pvar}_level=$(($level+1))
585     done
586 }
587
588 popvar(){
589     for pvar in $*; do
590         eval level=\${${pvar}_level:-0}
591         test $level = 0 && continue
592         eval level=$(($level-1))
593         eval $pvar="\${${pvar}_${level}}"
594         eval ${pvar}_level=$level
595         eval unset ${pvar}_${level}
596     done
597 }
598
599 request(){
600     for var in $*; do
601         eval ${var}_requested=yes
602         eval $var=
603     done
604 }
605
606 enable(){
607     set_all yes $*
608 }
609
610 disable(){
611     set_all no $*
612 }
613
614 enable_weak(){
615     set_weak yes $*
616 }
617
618 disable_weak(){
619     set_weak no $*
620 }
621
622 enable_safe(){
623     for var; do
624         enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
625     done
626 }
627
628 disable_safe(){
629     for var; do
630         disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
631     done
632 }
633
634 do_enable_deep(){
635     for var; do
636         enabled $var && continue
637         eval sel="\$${var}_select"
638         eval sgs="\$${var}_suggest"
639         pushvar var sgs
640         enable_deep $sel
641         popvar sgs
642         enable_deep_weak $sgs
643         popvar var
644     done
645 }
646
647 enable_deep(){
648     do_enable_deep $*
649     enable $*
650 }
651
652 enable_deep_weak(){
653     for var; do
654         disabled $var && continue
655         pushvar var
656         do_enable_deep $var
657         popvar var
658         enable_weak $var
659     done
660 }
661
662 requested(){
663     test "${1#!}" = "$1" && op='=' || op=!=
664     eval test "x\$${1#!}_requested" $op "xyes"
665 }
666
667 enabled(){
668     test "${1#!}" = "$1" && op='=' || op=!=
669     eval test "x\$${1#!}" $op "xyes"
670 }
671
672 disabled(){
673     test "${1#!}" = "$1" && op='=' || op=!=
674     eval test "x\$${1#!}" $op "xno"
675 }
676
677 enabled_all(){
678     for opt; do
679         enabled $opt || return 1
680     done
681 }
682
683 disabled_all(){
684     for opt; do
685         disabled $opt || return 1
686     done
687 }
688
689 enabled_any(){
690     for opt; do
691         enabled $opt && return 0
692     done
693 }
694
695 disabled_any(){
696     for opt; do
697         disabled $opt && return 0
698     done
699     return 1
700 }
701
702 set_default(){
703     for opt; do
704         eval : \${$opt:=\$${opt}_default}
705     done
706 }
707
708 is_in(){
709     value=$1
710     shift
711     for var in $*; do
712         [ $var = $value ] && return 0
713     done
714     return 1
715 }
716
717 do_check_deps(){
718     for cfg; do
719         cfg="${cfg#!}"
720         enabled ${cfg}_checking && die "Circular dependency for $cfg."
721         disabled ${cfg}_checking && continue
722         enable ${cfg}_checking
723         append allopts $cfg
724
725         eval dep_all="\$${cfg}_deps"
726         eval dep_any="\$${cfg}_deps_any"
727         eval dep_sel="\$${cfg}_select"
728         eval dep_sgs="\$${cfg}_suggest"
729         eval dep_ifa="\$${cfg}_if"
730         eval dep_ifn="\$${cfg}_if_any"
731
732         pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
733         do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
734         popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
735
736         [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
737         [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
738         enabled_all  $dep_all || { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but not all dependencies are satisfied: $dep_all"; }
739         enabled_any  $dep_any || { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but not any dependency is satisfied: $dep_any"; }
740         disabled_any $dep_sel && { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but some selected dependency is unsatisfied: $dep_sel"; }
741
742         if enabled $cfg; then
743             enable_deep $dep_sel
744             enable_deep_weak $dep_sgs
745         fi
746
747         disable ${cfg}_checking
748     done
749 }
750
751 check_deps(){
752     unset allopts
753
754     do_check_deps "$@"
755
756     for cfg in $allopts; do
757         enabled $cfg || continue
758         eval dep_extralibs="\$${cfg}_extralibs"
759         test -n "$dep_extralibs" && add_extralibs $dep_extralibs
760     done
761 }
762
763 print_config(){
764     pfx=$1
765     files=$2
766     shift 2
767     map 'eval echo "$v \${$v:-no}"' "$@" |
768     awk "BEGIN { split(\"$files\", files) }
769         {
770             c = \"$pfx\" toupper(\$1);
771             v = \$2;
772             sub(/yes/, 1, v);
773             sub(/no/,  0, v);
774             for (f in files) {
775                 file = files[f];
776                 if (file ~ /\\.h\$/) {
777                     printf(\"#define %s %d\\n\", c, v) >>file;
778                 } else if (file ~ /\\.asm\$/) {
779                     printf(\"%%define %s %d\\n\", c, v) >>file;
780                 } else if (file ~ /\\.mak\$/) {
781                     n = -v ? \"\" : \"!\";
782                     printf(\"%s%s=yes\\n\", n, c) >>file;
783                 } else if (file ~ /\\.texi\$/) {
784                     pre = -v ? \"\" : \"@c \";
785                     yesno = \$2;
786                     c2 = tolower(c);
787                     gsub(/_/, \"-\", c2);
788                     printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
789                 }
790             }
791         }"
792 }
793
794 print_enabled(){
795     suf=$1
796     shift
797     for v; do
798         enabled $v && printf "%s\n" ${v%$suf}
799     done
800 }
801
802 append(){
803     var=$1
804     shift
805     eval "$var=\"\$$var $*\""
806 }
807
808 prepend(){
809     var=$1
810     shift
811     eval "$var=\"$* \$$var\""
812 }
813
814 unique(){
815     var=$1
816     uniq_list=""
817     for tok in $(eval echo \$$var); do
818         uniq_list="$(filter_out $tok $uniq_list) $tok"
819     done
820     eval "$var=\"${uniq_list}\""
821 }
822
823 add_cppflags(){
824     append CPPFLAGS "$@"
825 }
826
827 add_cflags(){
828     append CFLAGS $($cflags_filter "$@")
829 }
830
831 add_cflags_headers(){
832     append CFLAGS_HEADERS $($cflags_filter "$@")
833 }
834
835 add_cxxflags(){
836     append CXXFLAGS $($cflags_filter "$@")
837 }
838
839 add_asflags(){
840     append ASFLAGS $($asflags_filter "$@")
841 }
842
843 add_objcflags(){
844     append OBJCFLAGS $($objcflags_filter "$@")
845 }
846
847 add_ldflags(){
848     append LDFLAGS $($ldflags_filter "$@")
849 }
850
851 add_ldexeflags(){
852     append LDEXEFLAGS $($ldflags_filter "$@")
853 }
854
855 add_ldlibflags(){
856     append LDLIBFLAGS $($ldflags_filter "$@")
857 }
858
859 add_stripflags(){
860     append ASMSTRIPFLAGS "$@"
861 }
862
863 add_extralibs(){
864     prepend extralibs $($ldflags_filter "$@")
865 }
866
867 add_host_cppflags(){
868     append host_cppflags "$@"
869 }
870
871 add_host_cflags(){
872     append host_cflags $($host_cflags_filter "$@")
873 }
874
875 add_host_ldflags(){
876     append host_ldflags $($host_ldflags_filter "$@")
877 }
878
879 add_compat(){
880     append compat_objs $1
881     shift
882     map 'add_cppflags -D$v' "$@"
883 }
884
885 check_cmd(){
886     log "$@"
887     "$@" >> $logfile 2>&1
888 }
889
890 check_stat(){
891     log check_stat "$@"
892     stat "$1" >> $logfile 2>&1
893 }
894
895 cc_o(){
896     eval printf '%s\\n' $CC_O
897 }
898
899 cc_e(){
900     eval printf '%s\\n' $CC_E
901 }
902
903 check_cc(){
904     log check_cc "$@"
905     cat > $TMPC
906     log_file $TMPC
907     check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
908 }
909
910 check_cxx(){
911     log check_cxx "$@"
912     cat > $TMPCPP
913     log_file $TMPCPP
914     check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
915 }
916
917 check_objcc(){
918     log check_objcc "$@"
919     cat > $TMPM
920     log_file $TMPM
921     check_cmd $objcc -Werror=missing-prototypes $CPPFLAGS $CFLAGS $OBJCFLAGS "$@" $OBJCC_C $(cc_o $TMPO) $TMPM
922 }
923
924 check_cpp(){
925     log check_cpp "$@"
926     cat > $TMPC
927     log_file $TMPC
928     check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
929 }
930
931 as_o(){
932     eval printf '%s\\n' $AS_O
933 }
934
935 check_as(){
936     log check_as "$@"
937     cat > $TMPS
938     log_file $TMPS
939     check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
940 }
941
942 check_inline_asm(){
943     log check_inline_asm "$@"
944     name="$1"
945     code="$2"
946     shift 2
947     disable $name
948     check_cc "$@" <<EOF && enable $name
949 void foo(void){ __asm__ volatile($code); }
950 EOF
951 }
952
953 check_inline_asm_flags(){
954     log check_inline_asm_flags "$@"
955     name="$1"
956     code="$2"
957     flags=''
958     shift 2
959     while [ "$1" != "" ]; do
960       append flags $1
961       shift
962     done;
963     disable $name
964     cat > $TMPC <<EOF
965 void foo(void){ __asm__ volatile($code); }
966 EOF
967     log_file $TMPC
968     check_cmd $cc $CPPFLAGS $CFLAGS $flags "$@" $CC_C $(cc_o $TMPO) $TMPC &&
969     enable $name && add_cflags $flags && add_asflags $flags && add_ldflags $flags
970 }
971
972 check_insn(){
973     log check_insn "$@"
974     check_inline_asm ${1}_inline "\"$2\""
975     echo "$2" | check_as && enable ${1}_external || disable ${1}_external
976 }
977
978 check_yasm(){
979     log check_yasm "$@"
980     echo "$1" > $TMPS
981     log_file $TMPS
982     shift 1
983     check_cmd $yasmexe $YASMFLAGS -Werror "$@" -o $TMPO $TMPS
984 }
985
986 ld_o(){
987     eval printf '%s\\n' $LD_O
988 }
989
990 check_ld(){
991     log check_ld "$@"
992     type=$1
993     shift 1
994     flags=$(filter_out '-l*|*.so' $@)
995     libs=$(filter '-l*|*.so' $@)
996     check_$type $($cflags_filter $flags) || return
997     flags=$($ldflags_filter $flags)
998     libs=$($ldflags_filter $libs)
999     check_cmd $ld $LDFLAGS $LDEXEFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
1000 }
1001
1002 print_include(){
1003     hdr=$1
1004     test "${hdr%.h}" = "${hdr}" &&
1005         echo "#include $hdr"    ||
1006         echo "#include <$hdr>"
1007 }
1008
1009 check_code(){
1010     log check_code "$@"
1011     check=$1
1012     headers=$2
1013     code=$3
1014     shift 3
1015     {
1016         for hdr in $headers; do
1017             print_include $hdr
1018         done
1019         echo "int main(void) { $code; return 0; }"
1020     } | check_$check "$@"
1021 }
1022
1023 check_cppflags(){
1024     log check_cppflags "$@"
1025     check_cpp "$@" <<EOF && append CPPFLAGS "$@"
1026 int x;
1027 EOF
1028 }
1029
1030 test_cflags(){
1031     log test_cflags "$@"
1032     set -- $($cflags_filter "$@")
1033     check_cc "$@" <<EOF
1034 int x;
1035 EOF
1036 }
1037
1038 check_cflags(){
1039     log check_cflags "$@"
1040     test_cflags "$@" && add_cflags "$@"
1041 }
1042
1043 check_cxxflags(){
1044     log check_cxxflags "$@"
1045     set -- $($cflags_filter "$@")
1046     check_cxx "$@" <<EOF && append CXXFLAGS "$@"
1047 int x;
1048 EOF
1049 }
1050
1051 test_objcflags(){
1052     log test_objcflags "$@"
1053     set -- $($objcflags_filter "$@")
1054     check_objcc "$@" <<EOF
1055 int x;
1056 EOF
1057 }
1058
1059 check_objcflags(){
1060     log check_objcflags "$@"
1061     test_objcflags "$@" && add_objcflags "$@"
1062 }
1063
1064 test_ldflags(){
1065     log test_ldflags "$@"
1066     check_ld "cc" "$@" <<EOF
1067 int main(void){ return 0; }
1068 EOF
1069 }
1070
1071 check_ldflags(){
1072     log check_ldflags "$@"
1073     test_ldflags "$@" && add_ldflags "$@"
1074 }
1075
1076 test_stripflags(){
1077     log test_stripflags "$@"
1078     # call check_cc to get a fresh TMPO
1079     check_cc <<EOF
1080 int main(void) { return 0; }
1081 EOF
1082     check_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO
1083 }
1084
1085 check_stripflags(){
1086     log check_stripflags "$@"
1087     test_stripflags "$@" && add_stripflags "$@"
1088 }
1089
1090 check_header(){
1091     log check_header "$@"
1092     header=$1
1093     shift
1094     disable_safe $header
1095     check_cpp "$@" <<EOF && enable_safe $header
1096 #include <$header>
1097 int x;
1098 EOF
1099 }
1100
1101 check_header_objcc(){
1102     log check_header_objcc "$@"
1103     rm -f -- "$TMPO"
1104     header=$1
1105     shift
1106     disable_safe $header
1107     {
1108        echo "#include <$header>"
1109        echo "int main(void) { return 0; }"
1110     } | check_objcc && check_stat "$TMPO" && enable_safe $headers
1111 }
1112
1113 check_func(){
1114     log check_func "$@"
1115     func=$1
1116     shift
1117     disable $func
1118     check_ld "cc" "$@" <<EOF && enable $func
1119 extern int $func();
1120 int main(void){ $func(); }
1121 EOF
1122 }
1123
1124 check_complexfunc(){
1125     log check_complexfunc "$@"
1126     func=$1
1127     narg=$2
1128     shift 2
1129     test $narg = 2 && args="f, g" || args="f * I"
1130     disable $func
1131     check_ld "cc" "$@" <<EOF && enable $func
1132 #include <complex.h>
1133 #include <math.h>
1134 float foo(complex float f, complex float g) { return $func($args); }
1135 int main(void){ return (int) foo; }
1136 EOF
1137 }
1138
1139 check_mathfunc(){
1140     log check_mathfunc "$@"
1141     func=$1
1142     narg=$2
1143     shift 2
1144     test $narg = 2 && args="f, g" || args="f"
1145     disable $func
1146     check_ld "cc" "$@" <<EOF && enable $func
1147 #include <math.h>
1148 float foo(float f, float g) { return $func($args); }
1149 int main(void){ return (int) foo; }
1150 EOF
1151 }
1152
1153 check_func_headers(){
1154     log check_func_headers "$@"
1155     headers=$1
1156     funcs=$2
1157     shift 2
1158     {
1159         for hdr in $headers; do
1160             print_include $hdr
1161         done
1162         echo "#include <stdint.h>"
1163         for func in $funcs; do
1164             echo "long check_$func(void) { return (long) $func; }"
1165         done
1166         echo "int main(void) { int ret = 0;"
1167         # LTO could optimize out the test functions without this
1168         for func in $funcs; do
1169             echo " ret |= ((intptr_t)check_$func) & 0xFFFF;"
1170         done
1171         echo "return ret; }"
1172     } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
1173 }
1174
1175 check_class_headers_cpp(){
1176     log check_class_headers_cpp "$@"
1177     headers=$1
1178     classes=$2
1179     shift 2
1180     {
1181         for hdr in $headers; do
1182             echo "#include <$hdr>"
1183         done
1184         echo "int main(void) { "
1185         i=1
1186         for class in $classes; do
1187             echo "$class obj$i;"
1188             i=$(expr $i + 1)
1189         done
1190         echo "return 0; }"
1191     } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
1192 }
1193
1194 check_cpp_condition(){
1195     log check_cpp_condition "$@"
1196     header=$1
1197     condition=$2
1198     shift 2
1199     check_cpp "$@" <<EOF
1200 #include <$header>
1201 #if !($condition)
1202 #error "unsatisfied condition: $condition"
1203 #endif
1204 EOF
1205 }
1206
1207 test_cflags_cc(){
1208     log test_cflags_cc "$@"
1209     flags=$1
1210     header=$2
1211     condition=$3
1212     shift 3
1213     set -- $($cflags_filter "$flags")
1214     check_cc "$@" <<EOF
1215 #include <$header>
1216 #if !($condition)
1217 #error "unsatisfied condition: $condition"
1218 #endif
1219 EOF
1220 }
1221
1222 check_lib(){
1223     log check_lib "$@"
1224     headers="$1"
1225     funcs="$2"
1226     shift 2
1227     check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
1228 }
1229
1230 check_lib_cpp(){
1231     log check_lib_cpp "$@"
1232     headers="$1"
1233     classes="$2"
1234     shift 2
1235     check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
1236 }
1237
1238 check_pkg_config(){
1239     log check_pkg_config "$@"
1240     pkg_version="$1"
1241     pkg="${1%% *}"
1242     headers="$2"
1243     funcs="$3"
1244     shift 3
1245     check_cmd $pkg_config --exists --print-errors $pkg_version || return
1246     pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1247     pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1248     check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1249         set_safe "${pkg}_cflags"    $pkg_cflags &&
1250         set_safe "${pkg}_extralibs" $pkg_libs
1251 }
1252
1253 check_exec(){
1254     check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1255 }
1256
1257 check_exec_crash(){
1258     log check_exec_crash "$@"
1259     code=$(cat)
1260
1261     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
1262     # are safe but may not be available everywhere.  Thus we use
1263     # raise(SIGTERM) instead.  The check is run in a subshell so we
1264     # can redirect the "Terminated" message from the shell.  SIGBUS
1265     # is not defined by standard C so it is used conditionally.
1266
1267     (check_exec "$@") >> $logfile 2>&1 <<EOF
1268 #include <signal.h>
1269 static void sighandler(int sig){
1270     raise(SIGTERM);
1271 }
1272 int foo(void){
1273     $code
1274 }
1275 int (*func_ptr)(void) = foo;
1276 int main(void){
1277     signal(SIGILL, sighandler);
1278     signal(SIGFPE, sighandler);
1279     signal(SIGSEGV, sighandler);
1280 #ifdef SIGBUS
1281     signal(SIGBUS, sighandler);
1282 #endif
1283     return func_ptr();
1284 }
1285 EOF
1286 }
1287
1288 check_type(){
1289     log check_type "$@"
1290     headers=$1
1291     type=$2
1292     shift 2
1293     disable_safe "$type"
1294     check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1295 }
1296
1297 check_struct(){
1298     log check_struct "$@"
1299     headers=$1
1300     struct=$2
1301     member=$3
1302     shift 3
1303     disable_safe "${struct}_${member}"
1304     check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1305         enable_safe "${struct}_${member}"
1306 }
1307
1308 check_builtin(){
1309     log check_builtin "$@"
1310     name=$1
1311     headers=$2
1312     builtin=$3
1313     shift 3
1314     disable "$name"
1315     check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1316 }
1317
1318 check_compile_assert(){
1319     log check_compile_assert "$@"
1320     name=$1
1321     headers=$2
1322     condition=$3
1323     shift 3
1324     disable "$name"
1325     check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1326 }
1327
1328 require(){
1329     log require "$@"
1330     name_version="$1"
1331     headers="$2"
1332     func="$3"
1333     shift 3
1334     check_lib "$headers" $func "$@" || die "ERROR: $name_version not found"
1335 }
1336
1337 require_cpp(){
1338     name="$1"
1339     headers="$2"
1340     classes="$3"
1341     shift 3
1342     check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1343 }
1344
1345 use_pkg_config(){
1346     log use_pkg_config "$@"
1347     pkg="$1"
1348     check_pkg_config "$@" || return 1
1349     add_cflags    $(get_safe "${pkg}_cflags")
1350     add_extralibs $(get_safe "${pkg}_extralibs")
1351 }
1352
1353 require_pkg_config(){
1354     use_pkg_config "$@" || die "ERROR: $pkg not found using pkg-config$pkg_config_fail_message"
1355 }
1356
1357 hostcc_e(){
1358     eval printf '%s\\n' $HOSTCC_E
1359 }
1360
1361 hostcc_o(){
1362     eval printf '%s\\n' $HOSTCC_O
1363 }
1364
1365 check_host_cc(){
1366     log check_host_cc "$@"
1367     cat > $TMPC
1368     log_file $TMPC
1369     check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1370 }
1371
1372 check_host_cpp(){
1373     log check_host_cpp "$@"
1374     cat > $TMPC
1375     log_file $TMPC
1376     check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1377 }
1378
1379 check_host_cppflags(){
1380     log check_host_cppflags "$@"
1381     check_host_cpp "$@" <<EOF && append host_cppflags "$@"
1382 int x;
1383 EOF
1384 }
1385
1386 check_host_cflags(){
1387     log check_host_cflags "$@"
1388     set -- $($host_cflags_filter "$@")
1389     check_host_cc "$@" <<EOF && append host_cflags "$@"
1390 int x;
1391 EOF
1392 }
1393
1394 check_host_cpp_condition(){
1395     log check_host_cpp_condition "$@"
1396     header=$1
1397     condition=$2
1398     shift 2
1399     check_host_cpp "$@" <<EOF
1400 #include <$header>
1401 #if !($condition)
1402 #error "unsatisfied condition: $condition"
1403 #endif
1404 EOF
1405 }
1406
1407 cp_if_changed(){
1408     cmp -s "$1" "$2" && { test "$quiet" != "yes" && echo "$2 is unchanged"; } && return
1409     mkdir -p "$(dirname $2)"
1410     cp -f "$1" "$2"
1411 }
1412
1413 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1414 # system-dependent things.
1415
1416 AVCODEC_COMPONENTS="
1417     bsfs
1418     decoders
1419     encoders
1420     hwaccels
1421     parsers
1422 "
1423
1424 AVDEVICE_COMPONENTS="
1425     indevs
1426     outdevs
1427 "
1428 AVFILTER_COMPONENTS="
1429     filters
1430 "
1431 AVFORMAT_COMPONENTS="
1432     demuxers
1433     muxers
1434     protocols
1435 "
1436
1437 AVRESAMPLE_COMPONENTS=""
1438 AVUTIL_COMPONENTS=""
1439
1440 COMPONENT_LIST="
1441     $AVCODEC_COMPONENTS
1442     $AVDEVICE_COMPONENTS
1443     $AVFILTER_COMPONENTS
1444     $AVFORMAT_COMPONENTS
1445     $AVRESAMPLE_COMPONENTS
1446     $AVUTIL_COMPONENTS
1447 "
1448
1449 EXAMPLE_LIST="
1450     avio_dir_cmd_example
1451     avio_reading_example
1452     decode_audio_example
1453     decode_video_example
1454     demuxing_decoding_example
1455     encode_audio_example
1456     encode_video_example
1457     extract_mvs_example
1458     filter_audio_example
1459     filtering_audio_example
1460     filtering_video_example
1461     http_multiclient_example
1462     metadata_example
1463     muxing_example
1464     qsvdec_example
1465     remuxing_example
1466     resampling_audio_example
1467     scaling_video_example
1468     transcode_aac_example
1469     transcoding_example
1470 "
1471 EXTERNAL_AUTODETECT_LIBRARY_LIST="
1472     bzlib
1473     iconv
1474     libxcb
1475     libxcb_shm
1476     libxcb_shape
1477     libxcb_xfixes
1478     lzma
1479     schannel
1480     sdl
1481     sdl2
1482     securetransport
1483     xlib
1484     zlib
1485 "
1486
1487 EXTERNAL_LIBRARY_GPL_LIST="
1488     avisynth
1489     frei0r
1490     libcdio
1491     librubberband
1492     libvidstab
1493     libx264
1494     libx265
1495     libxavs
1496     libxvid
1497 "
1498
1499 EXTERNAL_LIBRARY_NONFREE_LIST="
1500     decklink
1501     libfdk_aac
1502     openssl
1503 "
1504
1505 EXTERNAL_LIBRARY_VERSION3_LIST="
1506     gmp
1507     libopencore_amrnb
1508     libopencore_amrwb
1509     libvo_amrwbenc
1510 "
1511
1512 EXTERNAL_LIBRARY_GPLV3_LIST="
1513     libsmbclient
1514 "
1515
1516 EXTERNAL_LIBRARY_LIST="
1517     $EXTERNAL_AUTODETECT_LIBRARY_LIST
1518     $EXTERNAL_LIBRARY_GPL_LIST
1519     $EXTERNAL_LIBRARY_NONFREE_LIST
1520     $EXTERNAL_LIBRARY_VERSION3_LIST
1521     $EXTERNAL_LIBRARY_GPLV3_LIST
1522     chromaprint
1523     crystalhd
1524     gcrypt
1525     gnutls
1526     jni
1527     ladspa
1528     libass
1529     libbluray
1530     libbs2b
1531     libcaca
1532     libcelt
1533     libdc1394
1534     libflite
1535     libfontconfig
1536     libfreetype
1537     libfribidi
1538     libgme
1539     libgsm
1540     libiec61883
1541     libilbc
1542     libkvazaar
1543     libmodplug
1544     libmp3lame
1545     libnut
1546     libopencv
1547     libopenh264
1548     libopenjpeg
1549     libopenmpt
1550     libopus
1551     libpulse
1552     librtmp
1553     libschroedinger
1554     libshine
1555     libsmbclient
1556     libsnappy
1557     libsoxr
1558     libspeex
1559     libssh
1560     libtesseract
1561     libtheora
1562     libtwolame
1563     libv4l2
1564     libvorbis
1565     libvpx
1566     libwavpack
1567     libwebp
1568     libzimg
1569     libzmq
1570     libzvbi
1571     mediacodec
1572     netcdf
1573     openal
1574     opencl
1575     opengl
1576     videotoolbox
1577 "
1578 HWACCEL_AUTODETECT_LIBRARY_LIST="
1579     audiotoolbox
1580     cuda
1581     cuvid
1582     d3d11va
1583     dxva2
1584     nvenc
1585     vaapi
1586     vda
1587     vdpau
1588     videotoolbox_hwaccel
1589     xvmc
1590 "
1591
1592 HWACCEL_LIBRARY_NONFREE_LIST="
1593     libnpp
1594 "
1595
1596 HWACCEL_LIBRARY_LIST="
1597     $HWACCEL_AUTODETECT_LIBRARY_LIST
1598     $HWACCEL_LIBRARY_NONFREE_LIST
1599     libmfx
1600     mmal
1601     omx
1602 "
1603
1604 DOCUMENT_LIST="
1605     doc
1606     htmlpages
1607     manpages
1608     podpages
1609     txtpages
1610 "
1611
1612 FEATURE_LIST="
1613     ftrapv
1614     gray
1615     hardcoded_tables
1616     omx_rpi
1617     runtime_cpudetect
1618     safe_bitstream_reader
1619     shared
1620     small
1621     static
1622     swscale_alpha
1623 "
1624
1625 LIBRARY_LIST="
1626     avcodec
1627     avdevice
1628     avfilter
1629     avformat
1630     avresample
1631     avutil
1632     postproc
1633     swresample
1634     swscale
1635 "
1636
1637 LICENSE_LIST="
1638     gpl
1639     nonfree
1640     version3
1641 "
1642
1643 PROGRAM_LIST="
1644     ffplay
1645     ffprobe
1646     ffserver
1647     ffmpeg
1648 "
1649
1650 SUBSYSTEM_LIST="
1651     dct
1652     dwt
1653     error_resilience
1654     faan
1655     fast_unaligned
1656     fft
1657     lsp
1658     lzo
1659     mdct
1660     pixelutils
1661     network
1662     rdft
1663 "
1664
1665 # COMPONENT_LIST needs to come last to ensure correct dependency checking
1666 CONFIG_LIST="
1667     $DOCUMENT_LIST
1668     $EXAMPLE_LIST
1669     $EXTERNAL_LIBRARY_LIST
1670     $HWACCEL_LIBRARY_LIST
1671     $FEATURE_LIST
1672     $LICENSE_LIST
1673     $LIBRARY_LIST
1674     $PROGRAM_LIST
1675     $SUBSYSTEM_LIST
1676     fontconfig
1677     memory_poisoning
1678     neon_clobber_test
1679     pic
1680     raise_major
1681     thumb
1682     valgrind_backtrace
1683     xmm_clobber_test
1684     $COMPONENT_LIST
1685 "
1686
1687 THREADS_LIST="
1688     pthreads
1689     os2threads
1690     w32threads
1691 "
1692
1693 ATOMICS_LIST="
1694     atomics_gcc
1695     atomics_suncc
1696     atomics_win32
1697 "
1698
1699 AUTODETECT_LIBS="
1700     $EXTERNAL_AUTODETECT_LIBRARY_LIST
1701     $HWACCEL_AUTODETECT_LIBRARY_LIST
1702     $THREADS_LIST
1703 "
1704
1705 ARCH_LIST="
1706     aarch64
1707     alpha
1708     arm
1709     avr32
1710     avr32_ap
1711     avr32_uc
1712     bfin
1713     ia64
1714     m68k
1715     mips
1716     mips64
1717     parisc
1718     ppc
1719     ppc64
1720     s390
1721     sh4
1722     sparc
1723     sparc64
1724     tilegx
1725     tilepro
1726     tomi
1727     x86
1728     x86_32
1729     x86_64
1730 "
1731
1732 ARCH_EXT_LIST_ARM="
1733     armv5te
1734     armv6
1735     armv6t2
1736     armv8
1737     neon
1738     vfp
1739     vfpv3
1740     setend
1741 "
1742
1743 ARCH_EXT_LIST_MIPS="
1744     mipsfpu
1745     mips32r2
1746     mips32r5
1747     mips64r2
1748     mips32r6
1749     mips64r6
1750     mipsdsp
1751     mipsdspr2
1752     msa
1753 "
1754
1755 ARCH_EXT_LIST_LOONGSON="
1756     loongson2
1757     loongson3
1758     mmi
1759 "
1760
1761 ARCH_EXT_LIST_X86_SIMD="
1762     aesni
1763     amd3dnow
1764     amd3dnowext
1765     avx
1766     avx2
1767     fma3
1768     fma4
1769     mmx
1770     mmxext
1771     sse
1772     sse2
1773     sse3
1774     sse4
1775     sse42
1776     ssse3
1777     xop
1778 "
1779
1780 ARCH_EXT_LIST_PPC="
1781     altivec
1782     dcbzl
1783     ldbrx
1784     power8
1785     ppc4xx
1786     vsx
1787 "
1788
1789 ARCH_EXT_LIST_X86="
1790     $ARCH_EXT_LIST_X86_SIMD
1791     cpunop
1792     i686
1793 "
1794
1795 ARCH_EXT_LIST="
1796     $ARCH_EXT_LIST_ARM
1797     $ARCH_EXT_LIST_PPC
1798     $ARCH_EXT_LIST_X86
1799     $ARCH_EXT_LIST_MIPS
1800     $ARCH_EXT_LIST_LOONGSON
1801 "
1802
1803 ARCH_FEATURES="
1804     aligned_stack
1805     fast_64bit
1806     fast_clz
1807     fast_cmov
1808     local_aligned_8
1809     local_aligned_16
1810     local_aligned_32
1811     simd_align_16
1812     simd_align_32
1813 "
1814
1815 BUILTIN_LIST="
1816     atomic_cas_ptr
1817     machine_rw_barrier
1818     MemoryBarrier
1819     mm_empty
1820     rdtsc
1821     sarestart
1822     sem_timedwait
1823     sync_val_compare_and_swap
1824 "
1825 HAVE_LIST_CMDLINE="
1826     inline_asm
1827     symver
1828     yasm
1829 "
1830
1831 HAVE_LIST_PUB="
1832     bigendian
1833     fast_unaligned
1834 "
1835
1836 HEADERS_LIST="
1837     alsa_asoundlib_h
1838     altivec_h
1839     arpa_inet_h
1840     asm_types_h
1841     cdio_paranoia_h
1842     cdio_paranoia_paranoia_h
1843     cuda_h
1844     dispatch_dispatch_h
1845     dev_bktr_ioctl_bt848_h
1846     dev_bktr_ioctl_meteor_h
1847     dev_ic_bt8xx_h
1848     dev_video_bktr_ioctl_bt848_h
1849     dev_video_meteor_ioctl_meteor_h
1850     direct_h
1851     dirent_h
1852     dlfcn_h
1853     d3d11_h
1854     dxva_h
1855     ES2_gl_h
1856     gsm_h
1857     io_h
1858     mach_mach_time_h
1859     machine_ioctl_bt848_h
1860     machine_ioctl_meteor_h
1861     malloc_h
1862     opencv2_core_core_c_h
1863     openjpeg_2_1_openjpeg_h
1864     openjpeg_2_0_openjpeg_h
1865     openjpeg_1_5_openjpeg_h
1866     OpenGL_gl3_h
1867     poll_h
1868     sndio_h
1869     soundcard_h
1870     stdatomic_h
1871     sys_mman_h
1872     sys_param_h
1873     sys_resource_h
1874     sys_select_h
1875     sys_soundcard_h
1876     sys_time_h
1877     sys_un_h
1878     sys_videoio_h
1879     termios_h
1880     udplite_h
1881     unistd_h
1882     valgrind_valgrind_h
1883     windows_h
1884     winsock2_h
1885 "
1886
1887 INTRINSICS_LIST="
1888     intrinsics_neon
1889 "
1890
1891 COMPLEX_FUNCS="
1892     cabs
1893     cexp
1894 "
1895
1896 MATH_FUNCS="
1897     atanf
1898     atan2f
1899     cbrt
1900     cbrtf
1901     copysign
1902     cosf
1903     erf
1904     exp2
1905     exp2f
1906     expf
1907     hypot
1908     isfinite
1909     isinf
1910     isnan
1911     ldexpf
1912     llrint
1913     llrintf
1914     log2
1915     log2f
1916     log10f
1917     lrint
1918     lrintf
1919     powf
1920     rint
1921     round
1922     roundf
1923     sinf
1924     trunc
1925     truncf
1926 "
1927
1928 SYSTEM_FUNCS="
1929     access
1930     aligned_malloc
1931     arc4random
1932     clock_gettime
1933     closesocket
1934     CommandLineToArgvW
1935     CoTaskMemFree
1936     CryptGenRandom
1937     dlopen
1938     fcntl
1939     flt_lim
1940     fork
1941     getaddrinfo
1942     gethrtime
1943     getopt
1944     GetProcessAffinityMask
1945     GetProcessMemoryInfo
1946     GetProcessTimes
1947     getrusage
1948     GetSystemTimeAsFileTime
1949     gettimeofday
1950     glob
1951     glXGetProcAddress
1952     gmtime_r
1953     inet_aton
1954     isatty
1955     jack_port_get_latency_range
1956     kbhit
1957     LoadLibrary
1958     localtime_r
1959     lstat
1960     lzo1x_999_compress
1961     mach_absolute_time
1962     MapViewOfFile
1963     memalign
1964     mkstemp
1965     mmap
1966     mprotect
1967     nanosleep
1968     PeekNamedPipe
1969     posix_memalign
1970     pthread_cancel
1971     sched_getaffinity
1972     SetConsoleTextAttribute
1973     SetConsoleCtrlHandler
1974     setmode
1975     setrlimit
1976     Sleep
1977     strerror_r
1978     sysconf
1979     sysctl
1980     usleep
1981     UTGetOSTypeFromString
1982     VirtualAlloc
1983     wglGetProcAddress
1984 "
1985
1986 TOOLCHAIN_FEATURES="
1987     as_dn_directive
1988     as_fpu_directive
1989     as_func
1990     as_object_arch
1991     asm_mod_q
1992     attribute_may_alias
1993     attribute_packed
1994     ebp_available
1995     ebx_available
1996     gnu_as
1997     gnu_windres
1998     ibm_asm
1999     inline_asm_direct_symbol_refs
2000     inline_asm_labels
2001     inline_asm_nonlocal_labels
2002     pragma_deprecated
2003     rsync_contimeout
2004     symver_asm_label
2005     symver_gnu_asm
2006     vfp_args
2007     xform_asm
2008     xmm_clobbers
2009 "
2010
2011 TYPES_LIST="
2012     CONDITION_VARIABLE_Ptr
2013     socklen_t
2014     struct_addrinfo
2015     struct_group_source_req
2016     struct_ip_mreq_source
2017     struct_ipv6_mreq
2018     struct_msghdr_msg_flags
2019     struct_pollfd
2020     struct_rusage_ru_maxrss
2021     struct_sctp_event_subscribe
2022     struct_sockaddr_in6
2023     struct_sockaddr_sa_len
2024     struct_sockaddr_storage
2025     struct_stat_st_mtim_tv_nsec
2026     struct_v4l2_frmivalenum_discrete
2027 "
2028
2029 HAVE_LIST="
2030     $ARCH_EXT_LIST
2031     $(add_suffix _external $ARCH_EXT_LIST)
2032     $(add_suffix _inline   $ARCH_EXT_LIST)
2033     $ARCH_FEATURES
2034     $ATOMICS_LIST
2035     $BUILTIN_LIST
2036     $COMPLEX_FUNCS
2037     $HAVE_LIST_CMDLINE
2038     $HAVE_LIST_PUB
2039     $HEADERS_LIST
2040     $INTRINSICS_LIST
2041     $MATH_FUNCS
2042     $SYSTEM_FUNCS
2043     $THREADS_LIST
2044     $TOOLCHAIN_FEATURES
2045     $TYPES_LIST
2046     alsa
2047     atomics_native
2048     dos_paths
2049     dxva2_lib
2050     dxva2api_cobj
2051     jack
2052     libc_msvcrt
2053     makeinfo
2054     makeinfo_html
2055     MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS
2056     perl
2057     pod2man
2058     sdl2
2059     section_data_rel_ro
2060     sndio
2061     texi2html
2062     threads
2063     vaapi_drm
2064     vaapi_x11
2065     vdpau_x11
2066     winrt
2067 "
2068
2069 # options emitted with CONFIG_ prefix but not available on the command line
2070 CONFIG_EXTRA="
2071     aandcttables
2072     ac3dsp
2073     audio_frame_queue
2074     audiodsp
2075     blockdsp
2076     bswapdsp
2077     cabac
2078     dirac_parse
2079     dvprofile
2080     exif
2081     faandct
2082     faanidct
2083     fdctdsp
2084     flacdsp
2085     fmtconvert
2086     frame_thread_encoder
2087     g722dsp
2088     golomb
2089     gplv3
2090     h263dsp
2091     h264chroma
2092     h264dsp
2093     h264parse
2094     h264pred
2095     h264qpel
2096     hevcparse
2097     hpeldsp
2098     huffman
2099     huffyuvdsp
2100     huffyuvencdsp
2101     idctdsp
2102     iirfilter
2103     mdct15
2104     intrax8
2105     iso_media
2106     ividsp
2107     jpegtables
2108     lgplv3
2109     libx262
2110     llauddsp
2111     llviddsp
2112     llvidencdsp
2113     lpc
2114     lzf
2115     me_cmp
2116     mpeg_er
2117     mpegaudio
2118     mpegaudiodsp
2119     mpegaudioheader
2120     mpegvideo
2121     mpegvideoenc
2122     mss34dsp
2123     pixblockdsp
2124     qpeldsp
2125     qsv
2126     qsvdec
2127     qsvenc
2128     rangecoder
2129     riffdec
2130     riffenc
2131     rtpdec
2132     rtpenc_chain
2133     rv34dsp
2134     sinewin
2135     snappy
2136     srtp
2137     startcode
2138     texturedsp
2139     texturedspenc
2140     tpeldsp
2141     vaapi_encode
2142     vc1dsp
2143     videodsp
2144     vp3dsp
2145     vp56dsp
2146     vp8dsp
2147     vt_bt2020
2148     wma_freqs
2149     wmv2dsp
2150 "
2151
2152 CMDLINE_SELECT="
2153     $ARCH_EXT_LIST
2154     $CONFIG_LIST
2155     $HAVE_LIST_CMDLINE
2156     $THREADS_LIST
2157     asm
2158     cross_compile
2159     debug
2160     extra_warnings
2161     logging
2162     lto
2163     optimizations
2164     rpath
2165     stripping
2166 "
2167
2168 PATHS_LIST="
2169     bindir
2170     datadir
2171     docdir
2172     incdir
2173     libdir
2174     mandir
2175     pkgconfigdir
2176     prefix
2177     shlibdir
2178     install_name_dir
2179 "
2180
2181 CMDLINE_SET="
2182     $PATHS_LIST
2183     ar
2184     arch
2185     as
2186     assert_level
2187     build_suffix
2188     cc
2189     objcc
2190     cpu
2191     cross_prefix
2192     custom_allocator
2193     cxx
2194     dep_cc
2195     doxygen
2196     env
2197     extra_version
2198     gas
2199     host_cc
2200     host_cflags
2201     host_extralibs
2202     host_ld
2203     host_ldflags
2204     host_os
2205     install
2206     ld
2207     ln_s
2208     logfile
2209     malloc_prefix
2210     nm
2211     optflags
2212     pkg_config
2213     pkg_config_flags
2214     progs_suffix
2215     random_seed
2216     ranlib
2217     samples
2218     strip
2219     sws_max_filter_size
2220     sysinclude
2221     sysroot
2222     target_exec
2223     target_os
2224     target_path
2225     target_samples
2226     tempprefix
2227     toolchain
2228     valgrind
2229     yasmexe
2230 "
2231
2232 CMDLINE_APPEND="
2233     extra_cflags
2234     extra_cxxflags
2235     extra_objcflags
2236     host_cppflags
2237 "
2238
2239 # code dependency declarations
2240
2241 # architecture extensions
2242
2243 armv5te_deps="arm"
2244 armv6_deps="arm"
2245 armv6t2_deps="arm"
2246 armv8_deps="aarch64"
2247 neon_deps_any="aarch64 arm"
2248 intrinsics_neon_deps="neon"
2249 vfp_deps_any="aarch64 arm"
2250 vfpv3_deps="vfp"
2251 setend_deps="arm"
2252
2253 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
2254
2255 loongson2_deps="mips"
2256 loongson3_deps="mips"
2257 mipsfpu_deps="mips"
2258 mipsdsp_deps="mips"
2259 mipsdspr2_deps="mips"
2260 mips32r2_deps="mips"
2261 mips32r5_deps="mips"
2262 mips32r6_deps="mips"
2263 mips64r2_deps="mips"
2264 mips64r6_deps="mips"
2265 msa_deps="mipsfpu"
2266 mmi_deps="mips"
2267
2268 altivec_deps="ppc"
2269 dcbzl_deps="ppc"
2270 ldbrx_deps="ppc"
2271 ppc4xx_deps="ppc"
2272 vsx_deps="altivec"
2273 power8_deps="vsx"
2274
2275 cpunop_deps="i686"
2276 x86_64_select="i686"
2277 x86_64_suggest="fast_cmov"
2278
2279 amd3dnow_deps="mmx"
2280 amd3dnowext_deps="amd3dnow"
2281 i686_deps="x86"
2282 mmx_deps="x86"
2283 mmxext_deps="mmx"
2284 sse_deps="mmxext"
2285 sse2_deps="sse"
2286 sse3_deps="sse2"
2287 ssse3_deps="sse3"
2288 sse4_deps="ssse3"
2289 sse42_deps="sse4"
2290 aesni_deps="sse42"
2291 avx_deps="sse42"
2292 xop_deps="avx"
2293 fma3_deps="avx"
2294 fma4_deps="avx"
2295 avx2_deps="avx"
2296
2297 mmx_external_deps="yasm"
2298 mmx_inline_deps="inline_asm"
2299 mmx_suggest="mmx_external mmx_inline"
2300
2301 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
2302     eval dep=\$${ext}_deps
2303     eval ${ext}_external_deps='"${dep}_external"'
2304     eval ${ext}_inline_deps='"${dep}_inline"'
2305     eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
2306 done
2307
2308 aligned_stack_if_any="aarch64 ppc x86"
2309 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
2310 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
2311 fast_unaligned_if_any="aarch64 ppc x86"
2312 simd_align_16_if_any="altivec neon sse"
2313 simd_align_32_if_any="avx"
2314
2315 # system capabilities
2316 symver_if_any="symver_asm_label symver_gnu_asm"
2317 valgrind_backtrace_deps="!optimizations valgrind_valgrind_h"
2318
2319 # threading support
2320 atomics_gcc_if="sync_val_compare_and_swap"
2321 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
2322 atomics_win32_if="MemoryBarrier"
2323 atomics_native_if_any="$ATOMICS_LIST"
2324 w32threads_deps="atomics_native"
2325 threads_if_any="$THREADS_LIST"
2326
2327 # subsystems
2328 dct_select="rdft"
2329 dirac_parse_select="golomb"
2330 error_resilience_select="me_cmp"
2331 faandct_deps="faan fdctdsp"
2332 faanidct_deps="faan idctdsp"
2333 h264dsp_select="startcode"
2334 hevcparse_select="golomb"
2335 frame_thread_encoder_deps="encoders threads"
2336 intrax8_select="blockdsp idctdsp"
2337 mdct_select="fft"
2338 mdct15_select="fft"
2339 me_cmp_select="fdctdsp idctdsp pixblockdsp"
2340 mpeg_er_select="error_resilience"
2341 mpegaudio_select="mpegaudiodsp mpegaudioheader"
2342 mpegaudiodsp_select="dct"
2343 mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp mpeg_er videodsp"
2344 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
2345 vc1dsp_select="h264chroma qpeldsp startcode"
2346 rdft_select="fft"
2347
2348 # decoders / encoders
2349 aac_decoder_select="mdct15 mdct sinewin"
2350 aac_fixed_decoder_select="mdct sinewin"
2351 aac_encoder_select="audio_frame_queue iirfilter lpc mdct sinewin"
2352 aac_latm_decoder_select="aac_decoder aac_latm_parser"
2353 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
2354 ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"
2355 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
2356 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
2357 adpcm_g722_decoder_select="g722dsp"
2358 adpcm_g722_encoder_select="g722dsp"
2359 aic_decoder_select="golomb idctdsp"
2360 alac_encoder_select="lpc"
2361 als_decoder_select="bswapdsp"
2362 amrnb_decoder_select="lsp"
2363 amrwb_decoder_select="lsp"
2364 amv_decoder_select="sp5x_decoder exif"
2365 amv_encoder_select="aandcttables jpegtables mpegvideoenc"
2366 ape_decoder_select="bswapdsp llauddsp"
2367 apng_decoder_select="zlib"
2368 apng_encoder_select="llvidencdsp zlib"
2369 asv1_decoder_select="blockdsp bswapdsp idctdsp"
2370 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
2371 asv2_decoder_select="blockdsp bswapdsp idctdsp"
2372 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
2373 atrac1_decoder_select="mdct sinewin"
2374 atrac3_decoder_select="mdct"
2375 atrac3p_decoder_select="mdct sinewin"
2376 avrn_decoder_select="exif jpegtables"
2377 bink_decoder_select="blockdsp hpeldsp"
2378 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
2379 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
2380 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
2381 cllc_decoder_select="bswapdsp"
2382 comfortnoise_encoder_select="lpc"
2383 cook_decoder_select="audiodsp mdct sinewin"
2384 cscd_decoder_select="lzo"
2385 cscd_decoder_suggest="zlib"
2386 dca_decoder_select="mdct"
2387 dds_decoder_select="texturedsp"
2388 dirac_decoder_select="dirac_parse dwt golomb videodsp mpegvideoenc"
2389 dnxhd_decoder_select="blockdsp idctdsp"
2390 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
2391 dvvideo_decoder_select="dvprofile idctdsp"
2392 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
2393 dxa_decoder_select="zlib"
2394 dxv_decoder_select="lzf texturedsp"
2395 eac3_decoder_select="ac3_decoder"
2396 eac3_encoder_select="ac3_encoder"
2397 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
2398 eatgq_decoder_select="aandcttables"
2399 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp"
2400 exr_decoder_select="zlib"
2401 ffv1_decoder_select="rangecoder"
2402 ffv1_encoder_select="rangecoder"
2403 ffvhuff_decoder_select="huffyuv_decoder"
2404 ffvhuff_encoder_select="huffyuv_encoder"
2405 fic_decoder_select="golomb"
2406 flac_decoder_select="flacdsp"
2407 flac_encoder_select="bswapdsp flacdsp lpc"
2408 flashsv2_decoder_select="zlib"
2409 flashsv2_encoder_select="zlib"
2410 flashsv_decoder_select="zlib"
2411 flashsv_encoder_select="zlib"
2412 flv_decoder_select="h263_decoder"
2413 flv_encoder_select="h263_encoder"
2414 fourxm_decoder_select="blockdsp bswapdsp"
2415 fraps_decoder_select="bswapdsp huffman"
2416 g2m_decoder_select="blockdsp idctdsp jpegtables zlib"
2417 g729_decoder_select="audiodsp"
2418 h261_decoder_select="mpegvideo"
2419 h261_encoder_select="aandcttables mpegvideoenc"
2420 h263_decoder_select="h263_parser h263dsp mpegvideo qpeldsp"
2421 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
2422 h263i_decoder_select="h263_decoder"
2423 h263p_decoder_select="h263_decoder"
2424 h263p_encoder_select="h263_encoder"
2425 h264_decoder_select="cabac golomb h264chroma h264dsp h264parse h264pred h264qpel videodsp"
2426 h264_decoder_suggest="error_resilience"
2427 hap_decoder_select="snappy texturedsp"
2428 hap_encoder_deps="libsnappy"
2429 hap_encoder_select="texturedspenc"
2430 hevc_decoder_select="bswapdsp cabac golomb hevcparse videodsp"
2431 huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"
2432 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llvidencdsp"
2433 iac_decoder_select="imc_decoder"
2434 imc_decoder_select="bswapdsp fft mdct sinewin"
2435 indeo3_decoder_select="hpeldsp"
2436 indeo4_decoder_select="ividsp"
2437 indeo5_decoder_select="ividsp"
2438 interplay_video_decoder_select="hpeldsp"
2439 jpegls_decoder_select="mjpeg_decoder"
2440 jv_decoder_select="blockdsp"
2441 lagarith_decoder_select="llviddsp"
2442 ljpeg_encoder_select="aandcttables idctdsp jpegtables mpegvideoenc"
2443 magicyuv_decoder_select="llviddsp"
2444 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2445 metasound_decoder_select="lsp mdct sinewin"
2446 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2447 mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"
2448 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
2449 mjpegb_decoder_select="mjpeg_decoder"
2450 mlp_decoder_select="mlp_parser"
2451 motionpixels_decoder_select="bswapdsp"
2452 mp1_decoder_select="mpegaudio"
2453 mp1float_decoder_select="mpegaudio"
2454 mp2_decoder_select="mpegaudio"
2455 mp2float_decoder_select="mpegaudio"
2456 mp3_decoder_select="mpegaudio"
2457 mp3adu_decoder_select="mpegaudio"
2458 mp3adufloat_decoder_select="mpegaudio"
2459 mp3float_decoder_select="mpegaudio"
2460 mp3on4_decoder_select="mpegaudio"
2461 mp3on4float_decoder_select="mpegaudio"
2462 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2463 mpc8_decoder_select="mpegaudiodsp"
2464 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
2465 mpeg_xvmc_decoder_select="mpeg2video_decoder"
2466 mpegvideo_decoder_select="mpegvideo"
2467 mpeg1video_decoder_select="mpegvideo"
2468 mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"
2469 mpeg2video_decoder_select="mpegvideo"
2470 mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"
2471 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2472 mpeg4_encoder_select="h263_encoder"
2473 msa1_decoder_select="mss34dsp"
2474 mscc_decoder_select="zlib"
2475 msmpeg4v1_decoder_select="h263_decoder"
2476 msmpeg4v2_decoder_select="h263_decoder"
2477 msmpeg4v2_encoder_select="h263_encoder"
2478 msmpeg4v3_decoder_select="h263_decoder"
2479 msmpeg4v3_encoder_select="h263_encoder"
2480 mss2_decoder_select="mpegvideo qpeldsp vc1_decoder"
2481 mts2_decoder_select="mss34dsp"
2482 mxpeg_decoder_select="mjpeg_decoder"
2483 nellymoser_decoder_select="mdct sinewin"
2484 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2485 nuv_decoder_select="idctdsp lzo"
2486 on2avc_decoder_select="mdct"
2487 opus_decoder_deps="swresample"
2488 opus_decoder_select="mdct15"
2489 opus_encoder_select="audio_frame_queue mdct15"
2490 png_decoder_select="zlib"
2491 png_encoder_select="llvidencdsp zlib"
2492 prores_decoder_select="blockdsp idctdsp"
2493 prores_encoder_select="fdctdsp"
2494 qcelp_decoder_select="lsp"
2495 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2496 ra_144_decoder_select="audiodsp"
2497 ra_144_encoder_select="audio_frame_queue lpc audiodsp"
2498 ralf_decoder_select="golomb"
2499 rawvideo_decoder_select="bswapdsp"
2500 rscc_decoder_select="zlib"
2501 rtjpeg_decoder_select="me_cmp"
2502 rv10_decoder_select="h263_decoder"
2503 rv10_encoder_select="h263_encoder"
2504 rv20_decoder_select="h263_decoder"
2505 rv20_encoder_select="h263_encoder"
2506 rv30_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2507 rv40_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2508 screenpresso_decoder_select="zlib"
2509 shorten_decoder_select="bswapdsp"
2510 sipr_decoder_select="lsp"
2511 snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"
2512 snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"
2513 sonic_decoder_select="golomb rangecoder"
2514 sonic_encoder_select="golomb rangecoder"
2515 sonic_ls_encoder_select="golomb rangecoder"
2516 sp5x_decoder_select="mjpeg_decoder"
2517 srgc_decoder_select="zlib"
2518 svq1_decoder_select="hpeldsp"
2519 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2520 svq3_decoder_select="golomb h264dsp h264parse h264pred hpeldsp tpeldsp videodsp"
2521 svq3_decoder_suggest="zlib"
2522 tak_decoder_select="audiodsp"
2523 tdsc_decoder_select="zlib mjpeg_decoder"
2524 theora_decoder_select="vp3_decoder"
2525 thp_decoder_select="mjpeg_decoder"
2526 tiff_decoder_suggest="zlib lzma"
2527 tiff_encoder_suggest="zlib"
2528 truehd_decoder_select="mlp_parser"
2529 truemotion2_decoder_select="bswapdsp"
2530 truespeech_decoder_select="bswapdsp"
2531 tscc_decoder_select="zlib"
2532 twinvq_decoder_select="mdct lsp sinewin"
2533 txd_decoder_select="texturedsp"
2534 utvideo_decoder_select="bswapdsp llviddsp"
2535 utvideo_encoder_select="bswapdsp huffman llvidencdsp"
2536 vble_decoder_select="llviddsp"
2537 vc1_decoder_select="blockdsp h263_decoder h264qpel intrax8 mpegvideo vc1dsp"
2538 vc1_qsv_decoder_deps="libmfx"
2539 vc1_qsv_decoder_select="qsvdec vc1_qsv_hwaccel vc1_parser"
2540 vc1image_decoder_select="vc1_decoder"
2541 vorbis_decoder_select="mdct"
2542 vorbis_encoder_select="mdct"
2543 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2544 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"
2545 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"
2546 vp6a_decoder_select="vp6_decoder"
2547 vp6f_decoder_select="vp6_decoder"
2548 vp7_decoder_select="h264pred videodsp vp8dsp"
2549 vp8_decoder_select="h264pred videodsp vp8dsp"
2550 vp9_decoder_select="videodsp vp9_parser"
2551 webp_decoder_select="vp8_decoder exif"
2552 wmalossless_decoder_select="llauddsp"
2553 wmapro_decoder_select="mdct sinewin wma_freqs"
2554 wmav1_decoder_select="mdct sinewin wma_freqs"
2555 wmav1_encoder_select="mdct sinewin wma_freqs"
2556 wmav2_decoder_select="mdct sinewin wma_freqs"
2557 wmav2_encoder_select="mdct sinewin wma_freqs"
2558 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2559 wmv1_decoder_select="h263_decoder"
2560 wmv1_encoder_select="h263_encoder"
2561 wmv2_decoder_select="blockdsp error_resilience h263_decoder idctdsp intrax8 videodsp wmv2dsp"
2562 wmv2_encoder_select="h263_encoder wmv2dsp"
2563 wmv3_decoder_select="vc1_decoder"
2564 wmv3image_decoder_select="wmv3_decoder"
2565 xma1_decoder_select="wmapro_decoder"
2566 xma2_decoder_select="wmapro_decoder"
2567 zerocodec_decoder_select="zlib"
2568 zlib_decoder_select="zlib"
2569 zlib_encoder_select="zlib"
2570 zmbv_decoder_select="zlib"
2571 zmbv_encoder_select="zlib"
2572
2573 # platform codecs
2574 audiotoolbox_deps="AudioToolbox_AudioToolbox_h"
2575 audiotoolbox_extralibs="-framework CoreFoundation -framework AudioToolbox -framework CoreMedia"
2576
2577 # hardware accelerators
2578 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
2579 cuda_deps_any="dlopen LoadLibrary"
2580 cuvid_deps="cuda"
2581 d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder ID3D11VideoContext"
2582 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode"
2583 dxva2_extralibs="-luser32"
2584 dxva2_lib_deps="dxva2"
2585 vda_framework_deps="VideoDecodeAcceleration_VDADecoder_h"
2586 vda_framework_extralibs="-framework VideoDecodeAcceleration"
2587 vda_deps="vda_framework pthreads"
2588 vda_extralibs="-framework CoreFoundation -framework QuartzCore"
2589 videotoolbox_hwaccel_deps="videotoolbox pthreads"
2590 videotoolbox_hwaccel_extralibs="-framework QuartzCore"
2591 xvmc_deps="X11_extensions_XvMClib_h"
2592
2593 h263_vaapi_hwaccel_deps="vaapi"
2594 h263_vaapi_hwaccel_select="h263_decoder"
2595 h263_videotoolbox_hwaccel_deps="videotoolbox"
2596 h263_videotoolbox_hwaccel_select="h263_decoder"
2597 h264_cuvid_hwaccel_deps="cuda cuvid"
2598 h264_cuvid_hwaccel_select="h264_cuvid_decoder"
2599 h264_d3d11va_hwaccel_deps="d3d11va"
2600 h264_d3d11va_hwaccel_select="h264_decoder"
2601 h264_dxva2_hwaccel_deps="dxva2"
2602 h264_dxva2_hwaccel_select="h264_decoder"
2603 h264_mediacodec_hwaccel_deps="mediacodec"
2604 h264_mmal_hwaccel_deps="mmal"
2605 h264_qsv_hwaccel_deps="libmfx"
2606 h264_vaapi_hwaccel_deps="vaapi"
2607 h264_vaapi_hwaccel_select="h264_decoder"
2608 h264_vda_hwaccel_deps="vda"
2609 h264_vda_hwaccel_select="h264_decoder"
2610 h264_vda_old_hwaccel_deps="vda"
2611 h264_vda_old_hwaccel_select="h264_decoder"
2612 h264_vdpau_hwaccel_deps="vdpau"
2613 h264_vdpau_hwaccel_select="h264_decoder"
2614 h264_videotoolbox_hwaccel_deps="videotoolbox"
2615 h264_videotoolbox_hwaccel_select="h264_decoder"
2616 hevc_cuvid_hwaccel_deps="cuda cuvid"
2617 hevc_cuvid_hwaccel_select="hevc_cuvid_decoder"
2618 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2619 hevc_d3d11va_hwaccel_select="hevc_decoder"
2620 hevc_mediacodec_hwaccel_deps="mediacodec"
2621 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2622 hevc_dxva2_hwaccel_select="hevc_decoder"
2623 hevc_qsv_hwaccel_deps="libmfx"
2624 hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC"
2625 hevc_vaapi_hwaccel_select="hevc_decoder"
2626 hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"
2627 hevc_vdpau_hwaccel_select="hevc_decoder"
2628 mjpeg_cuvid_hwaccel_deps="cuda cuvid"
2629 mjpeg_cuvid_hwaccel_select="mjpeg_cuvid_decoder"
2630 mpeg_xvmc_hwaccel_deps="xvmc"
2631 mpeg_xvmc_hwaccel_select="mpeg2video_decoder"
2632 mpeg1_cuvid_hwaccel_deps="cuda cuvid"
2633 mpeg1_cuvid_hwaccel_select="mpeg1_cuvid_decoder"
2634 mpeg1_vdpau_hwaccel_deps="vdpau"
2635 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2636 mpeg1_videotoolbox_hwaccel_deps="videotoolbox"
2637 mpeg1_videotoolbox_hwaccel_select="mpeg1video_decoder"
2638 mpeg1_xvmc_hwaccel_deps="xvmc"
2639 mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"
2640 mpeg2_cuvid_hwaccel_deps="cuda cuvid"
2641 mpeg2_cuvid_hwaccel_select="mpeg2_cuvid_decoder"
2642 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2643 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2644 mpeg2_dxva2_hwaccel_deps="dxva2"
2645 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2646 mpeg2_mmal_hwaccel_deps="mmal"
2647 mpeg2_qsv_hwaccel_deps="libmfx"
2648 mpeg2_qsv_hwaccel_select="qsvdec_mpeg2"
2649 mpeg2_vaapi_hwaccel_deps="vaapi"
2650 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2651 mpeg2_vdpau_hwaccel_deps="vdpau"
2652 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2653 mpeg2_videotoolbox_hwaccel_deps="videotoolbox"
2654 mpeg2_videotoolbox_hwaccel_select="mpeg2video_decoder"
2655 mpeg2_xvmc_hwaccel_deps="xvmc"
2656 mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"
2657 mpeg4_cuvid_hwaccel_deps="cuda cuvid"
2658 mpeg4_cuvid_hwaccel_select="mpeg4_cuvid_decoder"
2659 mpeg4_mediacodec_hwaccel_deps="mediacodec"
2660 mpeg4_mmal_hwaccel_deps="mmal"
2661 mpeg4_vaapi_hwaccel_deps="vaapi"
2662 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2663 mpeg4_vdpau_hwaccel_deps="vdpau"
2664 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2665 mpeg4_videotoolbox_hwaccel_deps="videotoolbox"
2666 mpeg4_videotoolbox_hwaccel_select="mpeg4_decoder"
2667 vc1_cuvid_hwaccel_deps="cuda cuvid"
2668 vc1_cuvid_hwaccel_select="vc1_cuvid_decoder"
2669 vc1_d3d11va_hwaccel_deps="d3d11va"
2670 vc1_d3d11va_hwaccel_select="vc1_decoder"
2671 vc1_dxva2_hwaccel_deps="dxva2"
2672 vc1_dxva2_hwaccel_select="vc1_decoder"
2673 vc1_mmal_hwaccel_deps="mmal"
2674 vc1_qsv_hwaccel_deps="libmfx"
2675 vc1_qsv_hwaccel_select="qsvdec_vc1"
2676 vc1_vaapi_hwaccel_deps="vaapi"
2677 vc1_vaapi_hwaccel_select="vc1_decoder"
2678 vc1_vdpau_hwaccel_deps="vdpau"
2679 vc1_vdpau_hwaccel_select="vc1_decoder"
2680 vp8_cuvid_hwaccel_deps="cuda cuvid"
2681 vp8_cuvid_hwaccel_select="vp8_cuvid_decoder"
2682 vp9_cuvid_hwaccel_deps="cuda cuvid"
2683 vp9_cuvid_hwaccel_select="vp9_cuvid_decoder"
2684 vp8_mediacodec_hwaccel_deps="mediacodec"
2685 vp8_qsv_hwaccel_deps="libmfx"
2686 vp9_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_VP9"
2687 vp9_d3d11va_hwaccel_select="vp9_decoder"
2688 vp9_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_VP9"
2689 vp9_dxva2_hwaccel_select="vp9_decoder"
2690 vp9_mediacodec_hwaccel_deps="mediacodec"
2691 vp9_vaapi_hwaccel_deps="vaapi VADecPictureParameterBufferVP9_bit_depth"
2692 vp9_vaapi_hwaccel_select="vp9_decoder"
2693 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2694 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2695 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2696 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2697
2698 # hardware-accelerated codecs
2699 omx_deps="dlopen pthreads"
2700 omx_extralibs='$ldl'
2701 omx_rpi_select="omx"
2702 qsvdec_select="qsv"
2703 qsvenc_select="qsv"
2704 vaapi_encode_deps="vaapi"
2705
2706 hwupload_cuda_filter_deps="cuda"
2707 scale_npp_filter_deps="cuda libnpp"
2708
2709 nvenc_deps="cuda"
2710 nvenc_deps_any="dlopen LoadLibrary"
2711 nvenc_encoder_deps="nvenc"
2712
2713 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
2714 h264_cuvid_decoder_deps="cuda cuvid"
2715 h264_cuvid_decoder_select="h264_mp4toannexb_bsf"
2716 h264_mediacodec_decoder_deps="mediacodec"
2717 h264_mediacodec_decoder_select="h264_mp4toannexb_bsf h264_parser"
2718 h264_mmal_decoder_deps="mmal"
2719 h264_nvenc_encoder_deps="nvenc"
2720 h264_omx_encoder_deps="omx"
2721 h264_qsv_decoder_deps="libmfx"
2722 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
2723 h264_qsv_encoder_deps="libmfx"
2724 h264_qsv_encoder_select="qsvenc"
2725 h264_vaapi_encoder_deps="VAEncPictureParameterBufferH264"
2726 h264_vaapi_encoder_select="vaapi_encode golomb"
2727 h264_vda_decoder_deps="vda"
2728 h264_vda_decoder_select="h264_decoder"
2729 h264_vdpau_decoder_deps="vdpau"
2730 h264_vdpau_decoder_select="h264_decoder"
2731 hevc_cuvid_decoder_deps="cuda cuvid"
2732 hevc_cuvid_decoder_select="hevc_mp4toannexb_bsf"
2733 hevc_mediacodec_decoder_deps="mediacodec"
2734 hevc_mediacodec_decoder_select="hevc_mp4toannexb_bsf hevc_parser"
2735 hevc_nvenc_encoder_deps="nvenc"
2736 hevc_qsv_decoder_deps="libmfx"
2737 hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec hevc_qsv_hwaccel"
2738 hevc_qsv_encoder_deps="libmfx"
2739 hevc_qsv_encoder_select="hevcparse qsvenc"
2740 hevc_vaapi_encoder_deps="VAEncPictureParameterBufferHEVC"
2741 hevc_vaapi_encoder_select="vaapi_encode golomb"
2742 mjpeg_cuvid_decoder_deps="cuda cuvid"
2743 mjpeg_vaapi_encoder_deps="VAEncPictureParameterBufferJPEG"
2744 mjpeg_vaapi_encoder_select="vaapi_encode jpegtables"
2745 mpeg1_cuvid_decoder_deps="cuda cuvid"
2746 mpeg1_vdpau_decoder_deps="vdpau"
2747 mpeg1_vdpau_decoder_select="mpeg1video_decoder"
2748 mpeg2_crystalhd_decoder_select="crystalhd"
2749 mpeg2_cuvid_decoder_deps="cuda cuvid"
2750 mpeg2_mmal_decoder_deps="mmal"
2751 mpeg2_qsv_decoder_deps="libmfx"
2752 mpeg2_qsv_decoder_select="qsvdec mpeg2_qsv_hwaccel"
2753 mpeg2_qsv_encoder_deps="libmfx"
2754 mpeg2_qsv_encoder_select="qsvenc"
2755 mpeg2_vaapi_encoder_deps="VAEncPictureParameterBufferMPEG2"
2756 mpeg2_vaapi_encoder_select="vaapi_encode"
2757 mpeg4_crystalhd_decoder_select="crystalhd"
2758 mpeg4_cuvid_decoder_deps="cuda cuvid"
2759 mpeg4_mediacodec_decoder_deps="mediacodec"
2760 mpeg4_mmal_decoder_deps="mmal"
2761 mpeg4_omx_encoder_deps="omx"
2762 mpeg4_vdpau_decoder_deps="vdpau"
2763 mpeg4_vdpau_decoder_select="mpeg4_decoder"
2764 mpeg_vdpau_decoder_deps="vdpau"
2765 mpeg_vdpau_decoder_select="mpeg2video_decoder"
2766 msmpeg4_crystalhd_decoder_select="crystalhd"
2767 nvenc_h264_encoder_select="h264_nvenc_encoder"
2768 nvenc_hevc_encoder_select="hevc_nvenc_encoder"
2769 vc1_crystalhd_decoder_select="crystalhd"
2770 vc1_cuvid_decoder_deps="cuda cuvid"
2771 vc1_mmal_decoder_deps="mmal"
2772 vc1_vdpau_decoder_deps="vdpau"
2773 vc1_vdpau_decoder_select="vc1_decoder"
2774 vp8_cuvid_decoder_deps="cuda cuvid"
2775 vp8_mediacodec_decoder_deps="mediacodec"
2776 vp8_qsv_decoder_deps="libmfx"
2777 vp8_qsv_decoder_select="qsvdec vp8_qsv_hwaccel vp8_parser"
2778 vp8_vaapi_encoder_deps="VAEncPictureParameterBufferVP8"
2779 vp8_vaapi_encoder_select="vaapi_encode"
2780 vp9_cuvid_decoder_deps="cuda cuvid"
2781 vp9_mediacodec_decoder_deps="mediacodec"
2782 wmv3_crystalhd_decoder_select="crystalhd"
2783 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2784
2785 # parsers
2786 h264_parser_select="golomb h264dsp h264parse"
2787 hevc_parser_select="hevcparse"
2788 mpegaudio_parser_select="mpegaudioheader"
2789 mpegvideo_parser_select="mpegvideo"
2790 mpeg4video_parser_select="h263dsp mpegvideo qpeldsp"
2791 vc1_parser_select="vc1dsp"
2792
2793 # bitstream_filters
2794 mjpeg2jpeg_bsf_select="jpegtables"
2795
2796 # external libraries
2797 aac_at_decoder_deps="audiotoolbox"
2798 ac3_at_decoder_deps="audiotoolbox"
2799 ac3_at_decoder_select="ac3_parser"
2800 adpcm_ima_qt_at_decoder_deps="audiotoolbox"
2801 alac_at_decoder_deps="audiotoolbox"
2802 amr_nb_at_decoder_deps="audiotoolbox"
2803 avisynth_deps_any="dlopen LoadLibrary"
2804 avisynth_demuxer_deps="avisynth"
2805 avisynth_demuxer_select="riffdec"
2806 eac3_at_decoder_deps="audiotoolbox"
2807 eac3_at_decoder_select="ac3_parser"
2808 gsm_ms_at_decoder_deps="audiotoolbox"
2809 ilbc_at_decoder_deps="audiotoolbox"
2810 mp1_at_decoder_deps="audiotoolbox"
2811 mp2_at_decoder_deps="audiotoolbox"
2812 mp3_at_decoder_deps="audiotoolbox"
2813 mp1_at_decoder_select="mpegaudioheader"
2814 mp2_at_decoder_select="mpegaudioheader"
2815 mp3_at_decoder_select="mpegaudioheader"
2816 pcm_alaw_at_decoder_deps="audiotoolbox"
2817 pcm_mulaw_at_decoder_deps="audiotoolbox"
2818 qdmc_at_decoder_deps="audiotoolbox"
2819 qdm2_at_decoder_deps="audiotoolbox"
2820 aac_at_encoder_deps="audiotoolbox"
2821 aac_at_encoder_select="audio_frame_queue"
2822 alac_at_encoder_deps="audiotoolbox"
2823 alac_at_encoder_select="audio_frame_queue"
2824 ilbc_at_encoder_deps="audiotoolbox"
2825 ilbc_at_encoder_select="audio_frame_queue"
2826 pcm_alaw_at_encoder_deps="audiotoolbox"
2827 pcm_alaw_at_encoder_select="audio_frame_queue"
2828 pcm_mulaw_at_encoder_deps="audiotoolbox"
2829 pcm_mulaw_at_encoder_select="audio_frame_queue"
2830 chromaprint_muxer_deps="chromaprint"
2831 h264_videotoolbox_encoder_deps="videotoolbox_encoder pthreads"
2832 libcelt_decoder_deps="libcelt"
2833 libfdk_aac_decoder_deps="libfdk_aac"
2834 libfdk_aac_encoder_deps="libfdk_aac"
2835 libfdk_aac_encoder_select="audio_frame_queue"
2836 libgme_demuxer_deps="libgme"
2837 libgsm_decoder_deps="libgsm"
2838 libgsm_encoder_deps="libgsm"
2839 libgsm_ms_decoder_deps="libgsm"
2840 libgsm_ms_encoder_deps="libgsm"
2841 libilbc_decoder_deps="libilbc"
2842 libilbc_encoder_deps="libilbc"
2843 libkvazaar_encoder_deps="libkvazaar"
2844 libmodplug_demuxer_deps="libmodplug"
2845 libmp3lame_encoder_deps="libmp3lame"
2846 libmp3lame_encoder_select="audio_frame_queue mpegaudioheader"
2847 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2848 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2849 libopencore_amrnb_encoder_select="audio_frame_queue"
2850 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2851 libopenh264_decoder_deps="libopenh264"
2852 libopenh264_decoder_select="h264_mp4toannexb_bsf"
2853 libopenh264_encoder_deps="libopenh264"
2854 libopenjpeg_decoder_deps="libopenjpeg"
2855 libopenjpeg_encoder_deps="libopenjpeg"
2856 libopenmpt_demuxer_deps="libopenmpt"
2857 libopus_decoder_deps="libopus"
2858 libopus_encoder_deps="libopus"
2859 libopus_encoder_select="audio_frame_queue"
2860 libschroedinger_decoder_deps="libschroedinger"
2861 libschroedinger_encoder_deps="libschroedinger"
2862 libshine_encoder_deps="libshine"
2863 libshine_encoder_select="audio_frame_queue"
2864 libspeex_decoder_deps="libspeex"
2865 libspeex_encoder_deps="libspeex"
2866 libspeex_encoder_select="audio_frame_queue"
2867 libtheora_encoder_deps="libtheora"
2868 libtwolame_encoder_deps="libtwolame"
2869 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2870 libvorbis_decoder_deps="libvorbis"
2871 libvorbis_encoder_deps="libvorbis"
2872 libvorbis_encoder_select="audio_frame_queue"
2873 libvpx_vp8_decoder_deps="libvpx"
2874 libvpx_vp8_encoder_deps="libvpx"
2875 libvpx_vp9_decoder_deps="libvpx"
2876 libvpx_vp9_encoder_deps="libvpx"
2877 libwavpack_encoder_deps="libwavpack"
2878 libwavpack_encoder_select="audio_frame_queue"
2879 libwebp_encoder_deps="libwebp"
2880 libwebp_anim_encoder_deps="libwebp"
2881 libx262_encoder_deps="libx262"
2882 libx264_encoder_deps="libx264"
2883 libx264rgb_encoder_deps="libx264 x264_csp_bgr"
2884 libx264rgb_encoder_select="libx264_encoder"
2885 libx265_encoder_deps="libx265"
2886 libxavs_encoder_deps="libxavs"
2887 libxvid_encoder_deps="libxvid"
2888 libzvbi_teletext_decoder_deps="libzvbi"
2889 videotoolbox_deps="VideoToolbox_VideoToolbox_h"
2890 videotoolbox_extralibs="-framework CoreFoundation -framework VideoToolbox -framework CoreMedia -framework CoreVideo"
2891 videotoolbox_encoder_deps="videotoolbox VTCompressionSessionPrepareToEncodeFrames"
2892 videotoolbox_encoder_suggest="vda_framework vt_bt2020"
2893 vt_bt2020_deps="kCVImageBufferColorPrimaries_ITU_R_2020"
2894
2895 # demuxers / muxers
2896 ac3_demuxer_select="ac3_parser"
2897 aiff_muxer_select="iso_media"
2898 asf_demuxer_select="riffdec"
2899 asf_o_demuxer_select="riffdec"
2900 asf_muxer_select="riffenc"
2901 asf_stream_muxer_select="asf_muxer"
2902 avi_demuxer_select="iso_media riffdec exif"
2903 avi_muxer_select="riffenc"
2904 caf_demuxer_select="iso_media riffdec"
2905 caf_muxer_select="iso_media"
2906 dash_muxer_select="mp4_muxer"
2907 dirac_demuxer_select="dirac_parser"
2908 dts_demuxer_select="dca_parser"
2909 dtshd_demuxer_select="dca_parser"
2910 dv_demuxer_select="dvprofile"
2911 dv_muxer_select="dvprofile"
2912 dxa_demuxer_select="riffdec"
2913 eac3_demuxer_select="ac3_parser"
2914 f4v_muxer_select="mov_muxer"
2915 fifo_muxer_deps="threads"
2916 flac_demuxer_select="flac_parser"
2917 hds_muxer_select="flv_muxer"
2918 hls_muxer_select="mpegts_muxer"
2919 image2_alias_pix_demuxer_select="image2_demuxer"
2920 image2_brender_pix_demuxer_select="image2_demuxer"
2921 ipod_muxer_select="mov_muxer"
2922 ismv_muxer_select="mov_muxer"
2923 libnut_demuxer_deps="libnut"
2924 libnut_muxer_deps="libnut"
2925 matroska_audio_muxer_select="matroska_muxer"
2926 matroska_demuxer_select="iso_media riffdec"
2927 matroska_demuxer_suggest="bzlib lzo zlib"
2928 matroska_muxer_select="iso_media riffenc"
2929 mmf_muxer_select="riffenc"
2930 mov_demuxer_select="iso_media riffdec"
2931 mov_demuxer_suggest="zlib"
2932 mov_muxer_select="iso_media riffenc rtpenc_chain"
2933 mp3_demuxer_select="mpegaudio_parser"
2934 mp3_muxer_select="mpegaudioheader"
2935 mp4_muxer_select="mov_muxer"
2936 mpegts_demuxer_select="iso_media"
2937 mpegts_muxer_select="adts_muxer latm_muxer"
2938 mpegtsraw_demuxer_select="mpegts_demuxer"
2939 mxf_d10_muxer_select="mxf_muxer"
2940 mxf_opatom_muxer_select="mxf_muxer"
2941 nut_muxer_select="riffenc"
2942 nuv_demuxer_select="riffdec"
2943 oga_muxer_select="ogg_muxer"
2944 ogg_demuxer_select="dirac_parse"
2945 ogv_muxer_select="ogg_muxer"
2946 opus_muxer_select="ogg_muxer"
2947 psp_muxer_select="mov_muxer"
2948 rtp_demuxer_select="sdp_demuxer"
2949 rtp_muxer_select="golomb"
2950 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol srtp"
2951 rtsp_demuxer_select="http_protocol rtpdec"
2952 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2953 sap_demuxer_select="sdp_demuxer"
2954 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2955 sdp_demuxer_select="rtpdec"
2956 smoothstreaming_muxer_select="ismv_muxer"
2957 spdif_muxer_select="aac_parser"
2958 spx_muxer_select="ogg_muxer"
2959 swf_demuxer_suggest="zlib"
2960 tak_demuxer_select="tak_parser"
2961 tg2_muxer_select="mov_muxer"
2962 tgp_muxer_select="mov_muxer"
2963 vobsub_demuxer_select="mpegps_demuxer"
2964 w64_demuxer_select="wav_demuxer"
2965 w64_muxer_select="wav_muxer"
2966 wav_demuxer_select="riffdec"
2967 wav_muxer_select="riffenc"
2968 webm_muxer_select="iso_media riffenc"
2969 webm_dash_manifest_demuxer_select="matroska_demuxer"
2970 wtv_demuxer_select="mpegts_demuxer riffdec"
2971 wtv_muxer_select="mpegts_muxer riffenc"
2972 xmv_demuxer_select="riffdec"
2973 xwma_demuxer_select="riffdec"
2974
2975 # indevs / outdevs
2976 alsa_indev_deps="alsa"
2977 alsa_outdev_deps="alsa"
2978 avfoundation_indev_deps="pthreads"
2979 avfoundation_indev_extralibs="-framework Foundation -framework AVFoundation -framework CoreVideo -framework CoreMedia"
2980 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2981 caca_outdev_deps="libcaca"
2982 decklink_indev_deps="decklink threads"
2983 decklink_indev_extralibs="-lstdc++"
2984 decklink_outdev_deps="decklink threads"
2985 decklink_outdev_extralibs="-lstdc++"
2986 dshow_indev_deps="IBaseFilter"
2987 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"
2988 dv1394_indev_deps="dv1394"
2989 dv1394_indev_select="dv_demuxer"
2990 fbdev_indev_deps="linux_fb_h"
2991 fbdev_outdev_deps="linux_fb_h"
2992 gdigrab_indev_deps="CreateDIBSection"
2993 gdigrab_indev_extralibs="-lgdi32"
2994 gdigrab_indev_select="bmp_decoder"
2995 iec61883_indev_deps="libiec61883"
2996 jack_indev_deps="jack"
2997 jack_indev_deps_any="sem_timedwait dispatch_dispatch_h"
2998 lavfi_indev_deps="avfilter"
2999 libcdio_indev_deps="libcdio"
3000 libdc1394_indev_deps="libdc1394"
3001 libv4l2_indev_deps="libv4l2"
3002 openal_indev_deps="openal"
3003 opengl_outdev_deps="opengl"
3004 oss_indev_deps_any="soundcard_h sys_soundcard_h"
3005 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
3006 pulse_indev_deps="libpulse"
3007 pulse_outdev_deps="libpulse"
3008 qtkit_indev_extralibs="-framework QTKit -framework Foundation -framework QuartzCore"
3009 qtkit_indev_select="qtkit"
3010 sdl2_outdev_deps="sdl2"
3011 sndio_indev_deps="sndio"
3012 sndio_outdev_deps="sndio"
3013 v4l_indev_deps="linux_videodev_h"
3014 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
3015 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
3016 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
3017 vfwcap_indev_extralibs="-lavicap32"
3018 xcbgrab_indev_deps="libxcb"
3019 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
3020 xv_outdev_extralibs="-lXv -lX11 -lXext"
3021
3022 # protocols
3023 async_protocol_deps="threads"
3024 bluray_protocol_deps="libbluray"
3025 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
3026 ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"
3027 ffrtmpcrypt_protocol_select="tcp_protocol"
3028 ffrtmphttp_protocol_deps="!librtmp_protocol"
3029 ffrtmphttp_protocol_select="http_protocol"
3030 ftp_protocol_select="tcp_protocol"
3031 gopher_protocol_select="network"
3032 http_protocol_select="tcp_protocol"
3033 httpproxy_protocol_select="tcp_protocol"
3034 https_protocol_select="tls_protocol"
3035 icecast_protocol_select="http_protocol"
3036 librtmp_protocol_deps="librtmp"
3037 librtmpe_protocol_deps="librtmp"
3038 librtmps_protocol_deps="librtmp"
3039 librtmpt_protocol_deps="librtmp"
3040 librtmpte_protocol_deps="librtmp"
3041 libsmbclient_protocol_deps="libsmbclient gplv3"
3042 libssh_protocol_deps="libssh"
3043 mmsh_protocol_select="http_protocol"
3044 mmst_protocol_select="network"
3045 rtmp_protocol_deps="!librtmp_protocol"
3046 rtmp_protocol_select="tcp_protocol"
3047 rtmpe_protocol_select="ffrtmpcrypt_protocol"
3048 rtmps_protocol_deps="!librtmp_protocol"
3049 rtmps_protocol_select="tls_protocol"
3050 rtmpt_protocol_select="ffrtmphttp_protocol"
3051 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
3052 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
3053 rtp_protocol_select="udp_protocol"
3054 sctp_protocol_deps="struct_sctp_event_subscribe struct_msghdr_msg_flags"
3055 sctp_protocol_select="network"
3056 srtp_protocol_select="rtp_protocol srtp"
3057 tcp_protocol_select="network"
3058 tls_gnutls_protocol_deps="gnutls !tls_schannel_protocol !tls_securetransport_protocol"
3059 tls_gnutls_protocol_select="tcp_protocol"
3060 tls_openssl_protocol_deps="openssl !tls_schannel_protocol !tls_securetransport_protocol !tls_gnutls_protocol"
3061 tls_openssl_protocol_select="tcp_protocol"
3062 tls_schannel_protocol_deps="schannel"
3063 tls_schannel_protocol_select="tcp_protocol"
3064 tls_securetransport_protocol_deps="securetransport"
3065 tls_securetransport_protocol_select="tcp_protocol"
3066 tls_protocol_deps_any="tls_schannel_protocol tls_securetransport_protocol tls_gnutls_protocol tls_openssl_protocol"
3067 udp_protocol_select="network"
3068 udplite_protocol_select="network"
3069 unix_protocol_deps="sys_un_h"
3070 unix_protocol_select="network"
3071
3072 # filters
3073 afftfilt_filter_deps="avcodec"
3074 afftfilt_filter_select="fft"
3075 amovie_filter_deps="avcodec avformat"
3076 aresample_filter_deps="swresample"
3077 ass_filter_deps="libass"
3078 atempo_filter_deps="avcodec"
3079 atempo_filter_select="rdft"
3080 azmq_filter_deps="libzmq"
3081 blackframe_filter_deps="gpl"
3082 boxblur_filter_deps="gpl"
3083 bs2b_filter_deps="libbs2b"
3084 colormatrix_filter_deps="gpl"
3085 cover_rect_filter_deps="avcodec avformat gpl"
3086 cropdetect_filter_deps="gpl"
3087 deinterlace_qsv_filter_deps="libmfx"
3088 deinterlace_vaapi_filter_deps="vaapi"
3089 delogo_filter_deps="gpl"
3090 deshake_filter_select="pixelutils"
3091 drawtext_filter_deps="libfreetype"
3092 eq_filter_deps="gpl"
3093 fftfilt_filter_deps="avcodec"
3094 fftfilt_filter_select="rdft"
3095 find_rect_filter_deps="avcodec avformat gpl"
3096 firequalizer_filter_deps="avcodec"
3097 firequalizer_filter_select="rdft"
3098 flite_filter_deps="libflite"
3099 framerate_filter_select="pixelutils"
3100 frei0r_filter_deps="frei0r dlopen"
3101 frei0r_src_filter_deps="frei0r dlopen"
3102 fspp_filter_deps="gpl"
3103 geq_filter_deps="gpl"
3104 histeq_filter_deps="gpl"
3105 hqdn3d_filter_deps="gpl"
3106 interlace_filter_deps="gpl"
3107 kerndeint_filter_deps="gpl"
3108 ladspa_filter_deps="ladspa dlopen"
3109 mcdeint_filter_deps="avcodec gpl"
3110 movie_filter_deps="avcodec avformat"
3111 mpdecimate_filter_deps="gpl"
3112 mpdecimate_filter_select="pixelutils"
3113 mptestsrc_filter_deps="gpl"
3114 negate_filter_deps="lut_filter"
3115 nnedi_filter_deps="gpl"
3116 ocr_filter_deps="libtesseract"
3117 ocv_filter_deps="libopencv"
3118 owdenoise_filter_deps="gpl"
3119 pan_filter_deps="swresample"
3120 perspective_filter_deps="gpl"
3121 phase_filter_deps="gpl"
3122 pp7_filter_deps="gpl"
3123 pp_filter_deps="gpl postproc"
3124 pullup_filter_deps="gpl"
3125 removelogo_filter_deps="avcodec avformat swscale"
3126 repeatfields_filter_deps="gpl"
3127 resample_filter_deps="avresample"
3128 rubberband_filter_deps="librubberband"
3129 sab_filter_deps="gpl swscale"
3130 scale2ref_filter_deps="swscale"
3131 scale_filter_deps="swscale"
3132 scale_qsv_filter_deps="libmfx"
3133 select_filter_select="pixelutils"
3134 showcqt_filter_deps="avcodec avformat swscale"
3135 showcqt_filter_select="fft"
3136 showfreqs_filter_deps="avcodec"
3137 showfreqs_filter_select="fft"
3138 showspectrum_filter_deps="avcodec"
3139 showspectrum_filter_select="fft"
3140 showspectrumpic_filter_deps="avcodec"
3141 showspectrumpic_filter_select="fft"
3142 signature_filter_deps="gpl avcodec avformat"
3143 smartblur_filter_deps="gpl swscale"
3144 sofalizer_filter_deps="netcdf avcodec"
3145 sofalizer_filter_select="fft"
3146 spectrumsynth_filter_deps="avcodec"
3147 spectrumsynth_filter_select="fft"
3148 spp_filter_deps="gpl avcodec"
3149 spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"
3150 stereo3d_filter_deps="gpl"
3151 subtitles_filter_deps="avformat avcodec libass"
3152 super2xsai_filter_deps="gpl"
3153 pixfmts_super2xsai_test_deps="super2xsai_filter"
3154 tinterlace_filter_deps="gpl"
3155 tinterlace_merge_test_deps="tinterlace_filter"
3156 tinterlace_pad_test_deps="tinterlace_filter"
3157 uspp_filter_deps="gpl avcodec"
3158 vaguedenoiser_filter_deps="gpl"
3159 vidstabdetect_filter_deps="libvidstab"
3160 vidstabtransform_filter_deps="libvidstab"
3161 zmq_filter_deps="libzmq"
3162 zoompan_filter_deps="swscale"
3163 zscale_filter_deps="libzimg"
3164 scale_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
3165
3166 # examples
3167 avio_dir_cmd_deps="avformat avutil"
3168 avio_reading_deps="avformat avcodec avutil"
3169 decode_audio_example_deps="avcodec avutil"
3170 decode_video_example_deps="avcodec avutil"
3171 demuxing_decoding_example_deps="avcodec avformat avutil"
3172 encode_audio_example_deps="avcodec avutil"
3173 encode_video_example_deps="avcodec avutil"
3174 extract_mvs_example_deps="avcodec avformat avutil"
3175 filter_audio_example_deps="avfilter avutil"
3176 filtering_audio_example_deps="avfilter avcodec avformat avutil"
3177 filtering_video_example_deps="avfilter avcodec avformat avutil"
3178 http_multiclient_example_deps="avformat avutil fork"
3179 metadata_example_deps="avformat avutil"
3180 muxing_example_deps="avcodec avformat avutil swscale"
3181 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder"
3182 remuxing_example_deps="avcodec avformat avutil"
3183 resampling_audio_example_deps="avutil swresample"
3184 scaling_video_example_deps="avutil swscale"
3185 transcode_aac_example_deps="avcodec avformat swresample"
3186 transcoding_example_deps="avfilter avcodec avformat avutil"
3187
3188 # libraries, in linking order
3189 avcodec_deps="avutil"
3190 avdevice_deps="avformat avcodec avutil"
3191 avfilter_deps="avutil"
3192 avformat_deps="avcodec avutil"
3193 avresample_deps="avutil"
3194 postproc_deps="avutil gpl"
3195 swresample_deps="avutil"
3196 swscale_deps="avutil"
3197
3198 # programs
3199 ffmpeg_deps="avcodec avfilter avformat swresample"
3200 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
3201                null_filter
3202                trim_filter"
3203 ffplay_deps="avcodec avformat swscale swresample sdl2"
3204 ffplay_extralibs='$sdl2_extralibs'
3205 ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"
3206 ffprobe_deps="avcodec avformat"
3207 ffserver_deps="avformat fork sarestart"
3208 ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
3209
3210 # documentation
3211 podpages_deps="perl"
3212 manpages_deps="perl pod2man"
3213 htmlpages_deps="perl"
3214 htmlpages_deps_any="makeinfo_html texi2html"
3215 txtpages_deps="perl makeinfo"
3216 doc_deps_any="manpages htmlpages podpages txtpages"
3217
3218 # default parameters
3219
3220 logfile="config.log"
3221
3222 # installation paths
3223 prefix_default="/usr/local"
3224 bindir_default='${prefix}/bin'
3225 datadir_default='${prefix}/share/ffmpeg'
3226 docdir_default='${prefix}/share/doc/ffmpeg'
3227 incdir_default='${prefix}/include'
3228 libdir_default='${prefix}/lib'
3229 mandir_default='${prefix}/share/man'
3230
3231 # toolchain
3232 ar_default="ar"
3233 cc_default="gcc"
3234 cxx_default="g++"
3235 host_cc_default="gcc"
3236 doxygen_default="doxygen"
3237 install="install"
3238 ln_s_default="ln -s -f"
3239 nm_default="nm -g"
3240 objformat="elf"
3241 pkg_config_default=pkg-config
3242 ranlib_default="ranlib"
3243 strip_default="strip"
3244 version_script='--version-script'
3245 yasmexe_default="yasm"
3246 windres_default="windres"
3247
3248 # OS
3249 target_os_default=$(tolower $(uname -s))
3250 host_os=$target_os_default
3251
3252 # machine
3253 if test "$target_os_default" = aix; then
3254     arch_default=$(uname -p)
3255     strip_default="strip -X32_64"
3256 else
3257     arch_default=$(uname -m)
3258 fi
3259 cpu="generic"
3260 intrinsics="none"
3261
3262 # configurable options
3263 enable $PROGRAM_LIST
3264 enable $DOCUMENT_LIST
3265 enable $EXAMPLE_LIST
3266 enable $(filter_out avresample $LIBRARY_LIST)
3267 enable stripping
3268
3269 enable asm
3270 enable debug
3271 enable doc
3272 enable faan faandct faanidct
3273 enable optimizations
3274 enable runtime_cpudetect
3275 enable safe_bitstream_reader
3276 enable static
3277 enable swscale_alpha
3278 enable valgrind_backtrace
3279
3280 sws_max_filter_size_default=256
3281 set_default sws_max_filter_size
3282
3283 # build settings
3284 SHFLAGS='-shared -Wl,-soname,$$(@F)'
3285 LIBPREF="lib"
3286 LIBSUF=".a"
3287 FULLNAME='$(NAME)$(BUILDSUF)'
3288 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
3289 SLIBPREF="lib"
3290 SLIBSUF=".so"
3291 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
3292 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
3293 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
3294 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
3295 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
3296 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
3297 VERSION_SCRIPT_POSTPROCESS_CMD="cat"
3298
3299 asflags_filter=echo
3300 cflags_filter=echo
3301 ldflags_filter=echo
3302
3303 AS_C='-c'
3304 AS_O='-o $@'
3305 CC_C='-c'
3306 CC_E='-E -o $@'
3307 CC_O='-o $@'
3308 CXX_C='-c'
3309 CXX_O='-o $@'
3310 OBJCC_C='-c'
3311 OBJCC_E='-E -o $@'
3312 OBJCC_O='-o $@'
3313 LD_O='-o $@'
3314 LD_LIB='-l%'
3315 LD_PATH='-L'
3316 HOSTCC_C='-c'
3317 HOSTCC_E='-E -o $@'
3318 HOSTCC_O='-o $@'
3319 HOSTLD_O='-o $@'
3320
3321 host_extralibs='-lm'
3322 host_cflags_filter=echo
3323 host_ldflags_filter=echo
3324
3325 target_path='$(CURDIR)'
3326
3327 # since the object filename is not given with the -MM flag, the compiler
3328 # is only able to print the basename, and we must add the path ourselves
3329 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>/dev/null | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(@F),$(@D)/$(@F)," > $(@:.o=.d)'
3330 DEPFLAGS='-MM'
3331
3332 # find source path
3333 if test -f configure; then
3334     source_path=.
3335 else
3336     source_path=$(cd $(dirname "$0"); pwd)
3337     case "$source_path" in
3338         *[[:blank:]]*) die "Out of tree builds are impossible with whitespace in source path." ;;
3339     esac
3340     test -e "$source_path/config.h" &&
3341         die "Out of tree builds are impossible with config.h in source dir."
3342 fi
3343
3344 for v in "$@"; do
3345     r=${v#*=}
3346     l=${v%"$r"}
3347     r=$(sh_quote "$r")
3348     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
3349 done
3350
3351 find_things(){
3352     thing=$1
3353     pattern=$2
3354     file=$source_path/$3
3355     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
3356 }
3357
3358 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
3359 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
3360 HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
3361 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
3362 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
3363 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
3364 OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
3365 INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
3366 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
3367
3368 find_things_extern(){
3369     thing=$1
3370     pattern=$2
3371     file=$source_path/$3
3372     sed -n "s/^[^#]*extern.*$pattern *ff_\([^ ]*\)_$thing;/\1_$thing/p" "$file"
3373 }
3374
3375 BSF_LIST=$(find_things_extern bsf AVBitStreamFilter libavcodec/bitstream_filters.c)
3376 PROTOCOL_LIST=$(find_things_extern protocol URLProtocol libavformat/protocols.c)
3377
3378 ALL_COMPONENTS="
3379     $BSF_LIST
3380     $DECODER_LIST
3381     $DEMUXER_LIST
3382     $ENCODER_LIST
3383     $FILTER_LIST
3384     $HWACCEL_LIST
3385     $INDEV_LIST
3386     $MUXER_LIST
3387     $OUTDEV_LIST
3388     $PARSER_LIST
3389     $PROTOCOL_LIST
3390 "
3391
3392 for n in $COMPONENT_LIST; do
3393     v=$(toupper ${n%s})_LIST
3394     eval enable \$$v
3395     eval ${n}_if_any="\$$v"
3396 done
3397
3398 enable $ARCH_EXT_LIST
3399
3400 die_unknown(){
3401     echo "Unknown option \"$1\"."
3402     echo "See $0 --help for available options."
3403     exit 1
3404 }
3405
3406 print_in_columns() {
3407     cols=$(expr $ncols / 24)
3408     cat | tr ' ' '\n' | sort | pr -r "-$cols" -w $ncols -t
3409 }
3410
3411 show_list() {
3412     suffix=_$1
3413     shift
3414     echo $* | sed s/$suffix//g | print_in_columns
3415     exit 0
3416 }
3417
3418 rand_list(){
3419     IFS=', '
3420     set -- $*
3421     unset IFS
3422     for thing; do
3423         comp=${thing%:*}
3424         prob=${thing#$comp}
3425         prob=${prob#:}
3426         is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
3427         echo "prob ${prob:-0.5}"
3428         printf '%s\n' $comp
3429     done
3430 }
3431
3432 do_random(){
3433     action=$1
3434     shift
3435     random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
3436     $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
3437 }
3438
3439 for opt do
3440     optval="${opt#*=}"
3441     case "$opt" in
3442         --extra-ldflags=*)
3443             add_ldflags $optval
3444         ;;
3445         --extra-ldexeflags=*)
3446             add_ldexeflags $optval
3447         ;;
3448         --extra-ldlibflags=*)
3449             add_ldlibflags $optval
3450         ;;
3451         --extra-libs=*)
3452             add_extralibs $optval
3453         ;;
3454         --disable-devices)
3455             disable $INDEV_LIST $OUTDEV_LIST
3456         ;;
3457         --enable-debug=*)
3458             debuglevel="$optval"
3459         ;;
3460         --disable-programs)
3461             disable $PROGRAM_LIST
3462         ;;
3463         --disable-everything)
3464             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3465         ;;
3466         --disable-all)
3467             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3468             disable $LIBRARY_LIST $PROGRAM_LIST doc
3469             enable avutil
3470         ;;
3471         --enable-random|--disable-random)
3472             action=${opt%%-random}
3473             do_random ${action#--} $COMPONENT_LIST
3474         ;;
3475         --enable-random=*|--disable-random=*)
3476             action=${opt%%-random=*}
3477             do_random ${action#--} $optval
3478         ;;
3479         --enable-*=*|--disable-*=*)
3480             eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
3481             is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
3482             eval list=\$$(toupper $thing)_LIST
3483             name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
3484             list=$(filter "$name" $list)
3485             [ "$list" = "" ] && warn "Option $opt did not match anything"
3486             $action $list
3487         ;;
3488         --enable-?*|--disable-?*)
3489             eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
3490             if is_in $option $COMPONENT_LIST; then
3491                 test $action = disable && action=unset
3492                 eval $action \$$(toupper ${option%s})_LIST
3493             elif is_in $option $CMDLINE_SELECT; then
3494                 $action $option
3495             else
3496                 die_unknown $opt
3497             fi
3498         ;;
3499         --list-*)
3500             NAME="${opt#--list-}"
3501             is_in $NAME $COMPONENT_LIST || die_unknown $opt
3502             NAME=${NAME%s}
3503             eval show_list $NAME \$$(toupper $NAME)_LIST
3504         ;;
3505         --help|-h) show_help
3506         ;;
3507         --quiet|-q) quiet=yes
3508         ;;
3509         --fatal-warnings) enable fatal_warnings
3510         ;;
3511         *)
3512             optname="${opt%%=*}"
3513             optname="${optname#--}"
3514             optname=$(echo "$optname" | sed 's/-/_/g')
3515             if is_in $optname $CMDLINE_SET; then
3516                 eval $optname='$optval'
3517             elif is_in $optname $CMDLINE_APPEND; then
3518                 append $optname "$optval"
3519             else
3520                 die_unknown $opt
3521             fi
3522         ;;
3523     esac
3524 done
3525
3526 for e in $env; do
3527     eval "export $e"
3528 done
3529
3530 # Mark specifically enabled, but normally autodetected libraries as requested.
3531 for lib in $AUTODETECT_LIBS; do
3532     enabled $lib && request $lib
3533 done
3534
3535 # Enable platform codecs by default.
3536 enable_weak audiotoolbox
3537
3538 # Enable hwaccels by default.
3539 enable_weak d3d11va dxva2 vaapi vda vdpau videotoolbox_hwaccel xvmc
3540 enable_weak xlib
3541
3542 enable_weak cuda cuvid nvenc vda_framework videotoolbox videotoolbox_encoder
3543
3544 disabled logging && logfile=/dev/null
3545
3546 die_license_disabled() {
3547     enabled $1 || { enabled $v && die "$v is $1 and --enable-$1 is not specified."; }
3548 }
3549
3550 die_license_disabled_gpl() {
3551     enabled $1 || { enabled $v && die "$v is incompatible with the gpl and --enable-$1 is not specified."; }
3552 }
3553
3554 map "die_license_disabled gpl"      $EXTERNAL_LIBRARY_GPL_LIST $EXTERNAL_LIBRARY_GPLV3_LIST
3555 map "die_license_disabled version3" $EXTERNAL_LIBRARY_VERSION3_LIST $EXTERNAL_LIBRARY_GPLV3_LIST
3556
3557 enabled gpl && map "die_license_disabled_gpl nonfree" $EXTERNAL_LIBRARY_NONFREE_LIST
3558 map "die_license_disabled nonfree" $HWACCEL_LIBRARY_NONFREE_LIST
3559
3560 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3561
3562 # Disable all the library-specific components if the library itself
3563 # is disabled, see AVCODEC_LIST and following _LIST variables.
3564
3565 disable_components(){
3566     disabled ${1} && disable $(
3567         eval components="\$$(toupper ${1})_COMPONENTS"
3568         map 'eval echo \${$(toupper ${v%s})_LIST}' $components
3569     )
3570 }
3571
3572 map 'disable_components $v' $LIBRARY_LIST
3573
3574 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
3575 set >> $logfile
3576
3577 test -n "$valgrind" && toolchain="valgrind-memcheck"
3578
3579 case "$toolchain" in
3580     *-asan)
3581         cc_default="${toolchain%-asan}"
3582         add_cflags  -fsanitize=address
3583         add_ldflags -fsanitize=address
3584     ;;
3585     *-msan)
3586         cc_default="${toolchain%-msan}"
3587         add_cflags  -fsanitize=memory -fsanitize-memory-track-origins
3588         add_ldflags -fsanitize=memory
3589     ;;
3590     *-tsan)
3591         cc_default="${toolchain%-tsan}"
3592         add_cflags  -fsanitize=thread -fPIE
3593         add_ldflags -fsanitize=thread -pie
3594         case "$toolchain" in
3595             gcc-tsan)
3596                 add_cflags  -fPIC
3597                 add_ldflags -fPIC
3598                 ;;
3599         esac
3600     ;;
3601     *-usan)
3602         cc_default="${toolchain%-usan}"
3603         add_cflags  -fsanitize=undefined
3604         add_ldflags -fsanitize=undefined
3605     ;;
3606     valgrind-*)
3607         target_exec_default="valgrind"
3608         case "$toolchain" in
3609             valgrind-massif)
3610                 target_exec_args="--tool=massif --alloc-fn=av_malloc --alloc-fn=av_mallocz --alloc-fn=av_calloc --alloc-fn=av_fast_padded_malloc --alloc-fn=av_fast_malloc --alloc-fn=av_realloc_f --alloc-fn=av_fast_realloc --alloc-fn=av_realloc"
3611                 ;;
3612             valgrind-memcheck)
3613                 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
3614                 ;;
3615         esac
3616     ;;
3617     msvc)
3618         # Check whether the current MSVC version needs the C99 converter.
3619         # From MSVC 2013 (compiler major version 18) onwards, it does actually
3620         # support enough of C99 to build ffmpeg. Default to the new
3621         # behaviour if the regexp was unable to match anything, since this
3622         # successfully parses the version number of existing supported
3623         # versions that require the converter (MSVC 2010 and 2012).
3624         cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
3625         if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
3626             cc_default="cl"
3627             cxx_default="cl"
3628         else
3629             cc_default="c99wrap cl"
3630             cxx_default="c99wrap cl"
3631         fi
3632         ld_default="$source_path/compat/windows/mslink"
3633         nm_default="dumpbin -symbols"
3634         ar_default="lib"
3635         case "$arch" in
3636         arm*)
3637             as_default="armasm"
3638             ;;
3639         esac
3640         target_os_default="win32"
3641         # Use a relative path for TMPDIR. This makes sure all the
3642         # ffconf temp files are written with a relative path, avoiding
3643         # issues with msys/win32 path conversion for MSVC parameters
3644         # such as -Fo<file> or -out:<file>.
3645         TMPDIR=.
3646     ;;
3647     icl)
3648         cc_default="icl"
3649         ld_default="xilink"
3650         nm_default="dumpbin -symbols"
3651         ar_default="xilib"
3652         target_os_default="win32"
3653         TMPDIR=.
3654     ;;
3655     gcov)
3656         add_cflags  -fprofile-arcs -ftest-coverage
3657         add_ldflags -fprofile-arcs -ftest-coverage
3658     ;;
3659     llvm-cov)
3660         add_cflags -fprofile-arcs -ftest-coverage
3661         add_ldflags --coverage
3662     ;;
3663     hardened)
3664         add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
3665         add_cflags   -fno-strict-overflow -fstack-protector-all
3666         add_ldflags  -Wl,-z,relro -Wl,-z,now
3667         add_cflags   -fPIE
3668         add_ldexeflags -fPIE -pie
3669     ;;
3670     ?*)
3671         die "Unknown toolchain $toolchain"
3672     ;;
3673 esac
3674
3675 test -n "$cross_prefix" && enable cross_compile
3676
3677 if enabled cross_compile; then
3678     test -n "$arch" && test -n "$target_os" ||
3679         die "Must specify target arch (--arch) and OS (--target-os) when cross-compiling"
3680 fi
3681
3682 ar_default="${cross_prefix}${ar_default}"
3683 cc_default="${cross_prefix}${cc_default}"
3684 cxx_default="${cross_prefix}${cxx_default}"
3685 nm_default="${cross_prefix}${nm_default}"
3686 pkg_config_default="${cross_prefix}${pkg_config_default}"
3687 if ${cross_prefix}${ranlib_default} 2>&1 | grep -q "\-D "; then
3688     ranlib_default="${cross_prefix}${ranlib_default} -D"
3689 else
3690     ranlib_default="${cross_prefix}${ranlib_default}"
3691 fi
3692 strip_default="${cross_prefix}${strip_default}"
3693 windres_default="${cross_prefix}${windres_default}"
3694
3695 sysinclude_default="${sysroot}/usr/include"
3696
3697 set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \
3698     target_exec target_os yasmexe
3699 enabled cross_compile || host_cc_default=$cc
3700 set_default host_cc
3701
3702 pkg_config_fail_message=""
3703 if ! $pkg_config --version >/dev/null 2>&1; then
3704     warn "$pkg_config not found, library detection may fail."
3705     pkg_config=false
3706 elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then
3707     pkg_config_fail_message="
3708 Note: When building a static binary, add --pkg-config-flags=\"--static\"."
3709 fi
3710
3711 if test $doxygen != $doxygen_default && \
3712   ! $doxygen --version >/dev/null 2>&1; then
3713     warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."
3714 fi
3715
3716 exesuf() {
3717     case $1 in
3718         mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
3719     esac
3720 }
3721
3722 EXESUF=$(exesuf $target_os)
3723 HOSTEXESUF=$(exesuf $host_os)
3724
3725 # set temporary file name
3726 : ${TMPDIR:=$TEMPDIR}
3727 : ${TMPDIR:=$TMP}
3728 : ${TMPDIR:=/tmp}
3729
3730 if [ -n "$tempprefix" ] ; then
3731     mktemp(){
3732         echo $tempprefix.${HOSTNAME}.${UID}
3733     }
3734 elif ! check_cmd mktemp -u XXXXXX; then
3735     # simple replacement for missing mktemp
3736     # NOT SAFE FOR GENERAL USE
3737     mktemp(){
3738         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
3739     }
3740 fi
3741
3742 tmpfile(){
3743     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
3744         (set -C; exec > $tmp) 2>/dev/null ||
3745         die "Unable to create temporary file in $TMPDIR."
3746     append TMPFILES $tmp
3747     eval $1=$tmp
3748 }
3749
3750 trap 'rm -f -- $TMPFILES' EXIT
3751
3752 tmpfile TMPASM .asm
3753 tmpfile TMPC   .c
3754 tmpfile TMPCPP .cpp
3755 tmpfile TMPE   $EXESUF
3756 tmpfile TMPH   .h
3757 tmpfile TMPM   .m
3758 tmpfile TMPO   .o
3759 tmpfile TMPS   .S
3760 tmpfile TMPSH  .sh
3761 tmpfile TMPV   .ver
3762
3763 unset -f mktemp
3764
3765 chmod +x $TMPE
3766
3767 # make sure we can execute files in $TMPDIR
3768 cat > $TMPSH 2>> $logfile <<EOF
3769 #! /bin/sh
3770 EOF
3771 chmod +x $TMPSH >> $logfile 2>&1
3772 if ! $TMPSH >> $logfile 2>&1; then
3773     cat <<EOF
3774 Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
3775 variable to another directory and make sure that it is not mounted noexec.
3776 EOF
3777     die "Sanity test failed."
3778 fi
3779
3780 armasm_flags(){
3781     for flag; do
3782         case $flag in
3783             # Filter out MSVC cl.exe options from cflags that shouldn't
3784             # be passed to gas-preprocessor
3785             -M[TD]*)                                            ;;
3786             *)                  echo $flag                      ;;
3787         esac
3788    done
3789 }
3790
3791 ccc_flags(){
3792     for flag; do
3793         case $flag in
3794             -std=c99)           echo -c99                       ;;
3795             -mcpu=*)            echo -arch ${flag#*=}           ;;
3796             -mieee)             echo -ieee                      ;;
3797             -O*|-fast)          echo $flag                      ;;
3798             -fno-math-errno)    echo -assume nomath_errno       ;;
3799             -g)                 echo -g3                        ;;
3800             -Wall)              echo -msg_enable level2         ;;
3801             -Wno-pointer-sign)  echo -msg_disable ptrmismatch1  ;;
3802             -Wl,*)              echo $flag                      ;;
3803             -f*|-W*)                                            ;;
3804             *)                  echo $flag                      ;;
3805         esac
3806    done
3807 }
3808
3809 cparser_flags(){
3810     for flag; do
3811         case $flag in
3812             -Wno-switch)             echo -Wno-switch-enum ;;
3813             -Wno-format-zero-length) ;;
3814             -Wdisabled-optimization) ;;
3815             -Wno-pointer-sign)       echo -Wno-other ;;
3816             *)                       echo $flag ;;
3817         esac
3818     done
3819 }
3820
3821 msvc_common_flags(){
3822     for flag; do
3823         case $flag in
3824             # In addition to specifying certain flags under the compiler
3825             # specific filters, they must be specified here as well or else the
3826             # generic catch all at the bottom will print the original flag.
3827             -Wall)                ;;
3828             -std=c99)             ;;
3829             # Common flags
3830             -fomit-frame-pointer) ;;
3831             -g)                   echo -Z7 ;;
3832             -fno-math-errno)      ;;
3833             -fno-common)          ;;
3834             -fno-signed-zeros)    ;;
3835             -fPIC)                ;;
3836             -mthumb)              ;;
3837             -march=*)             ;;
3838             -lz)                  echo zlib.lib ;;
3839             -lavicap32)           echo vfw32.lib user32.lib ;;
3840             -lx264)               echo libx264.lib ;;
3841             -lstdc++)             ;;
3842             -l*)                  echo ${flag#-l}.lib ;;
3843             -LARGEADDRESSAWARE)   echo $flag ;;
3844             -L*)                  echo -libpath:${flag#-L} ;;
3845             *)                    echo $flag ;;
3846         esac
3847     done
3848 }
3849
3850 msvc_flags(){
3851     msvc_common_flags "$@"
3852     for flag; do
3853         case $flag in
3854             -Wall)                echo -W4 -wd4244 -wd4127 -wd4018 -wd4389     \
3855                                        -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
3856                                        -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
3857                                        -wd4307 \
3858                                        -wd4273 -wd4554 -wd4701 -wd4703 ;;
3859         esac
3860     done
3861 }
3862
3863 icl_flags(){
3864     msvc_common_flags "$@"
3865     for flag; do
3866         case $flag in
3867             # Despite what Intel's documentation says -Wall, which is supported
3868             # on Windows, does enable remarks so disable them here.
3869             -Wall)                echo $flag -Qdiag-disable:remark ;;
3870             -std=c99)             echo -Qstd=c99 ;;
3871             -flto)                echo -ipo ;;
3872         esac
3873     done
3874 }
3875
3876 icc_flags(){
3877     for flag; do
3878         case $flag in
3879             -flto)                echo -ipo ;;
3880             *)                    echo $flag ;;
3881         esac
3882     done
3883 }
3884
3885 pgi_flags(){
3886     for flag; do
3887         case $flag in
3888             -flto)                echo -Mipa=fast,libopt,libinline,vestigial ;;
3889             -fomit-frame-pointer) echo -Mnoframe ;;
3890             -g)                   echo -gopt ;;
3891             *)                    echo $flag ;;
3892         esac
3893     done
3894 }
3895
3896 suncc_flags(){
3897     for flag; do
3898         case $flag in
3899             -march=*|-mcpu=*)
3900                 case "${flag#*=}" in
3901                     native)                   echo -xtarget=native       ;;
3902                     v9|niagara)               echo -xarch=sparc          ;;
3903                     ultrasparc)               echo -xarch=sparcvis       ;;
3904                     ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
3905                     i586|pentium)             echo -xchip=pentium        ;;
3906                     i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
3907                     pentium3*|c3-2)           echo -xtarget=pentium3     ;;
3908                     pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
3909                     pentium4*)          echo -xtarget=pentium4           ;;
3910                     prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
3911                     *-sse3)             echo -xarch=sse3                 ;;
3912                     core2)              echo -xarch=ssse3 -xchip=core2   ;;
3913                     bonnell)                   echo -xarch=ssse3         ;;
3914                     corei7|nehalem)            echo -xtarget=nehalem     ;;
3915                     westmere)                  echo -xtarget=westmere    ;;
3916                     silvermont)                echo -xarch=sse4_2        ;;
3917                     corei7-avx|sandybridge)    echo -xtarget=sandybridge ;;
3918                     core-avx*|ivybridge|haswell|broadwell|skylake*|knl)
3919                                                echo -xarch=avx           ;;
3920                     amdfam10|barcelona)        echo -xtarget=barcelona   ;;
3921                     btver1)                    echo -xarch=amdsse4a      ;;
3922                     btver2|bdver*|znver*)      echo -xarch=avx           ;;
3923                     athlon-4|athlon-[mx]p)     echo -xarch=ssea          ;;
3924                     k8|opteron|athlon64|athlon-fx)
3925                                                echo -xarch=sse2a         ;;
3926                     athlon*)                   echo -xarch=pentium_proa  ;;
3927                 esac
3928                 ;;
3929             -std=c99)             echo -xc99              ;;
3930             -fomit-frame-pointer) echo -xregs=frameptr    ;;
3931             -fPIC)                echo -KPIC -xcode=pic32 ;;
3932             -W*,*)                echo $flag              ;;
3933             -f*-*|-W*|-mimpure-text)                      ;;
3934             -shared)              echo -G                 ;;
3935             *)                    echo $flag              ;;
3936         esac
3937     done
3938 }
3939
3940 tms470_flags(){
3941     for flag; do
3942         case $flag in
3943             -march=*|-mcpu=*)
3944                 case "${flag#*=}" in
3945                     armv7-a|cortex-a*)      echo -mv=7a8 ;;
3946                     armv7-r|cortex-r*)      echo -mv=7r4 ;;
3947                     armv7-m|cortex-m*)      echo -mv=7m3 ;;
3948                     armv6*|arm11*)          echo -mv=6   ;;
3949                     armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
3950                                             echo -mv=5e  ;;
3951                     armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
3952                 esac
3953                 ;;
3954             -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
3955             -mfpu=vfp)      echo --float_support=vfpv2        ;;
3956             -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
3957             -mfpu=vfpv3-d16) echo --float_support=vfpv3d16    ;;
3958             -msoft-float)   echo --float_support=vfplib       ;;
3959             -O[0-3]|-mf=*)  echo $flag                        ;;
3960             -g)             echo -g -mn                       ;;
3961             -pds=*)         echo $flag                        ;;
3962             -D*|-I*)        echo $flag                        ;;
3963             --gcc|--abi=*)  echo $flag                        ;;
3964             -me)            echo $flag                        ;;
3965         esac
3966     done
3967 }
3968
3969 probe_cc(){
3970     pfx=$1
3971     _cc=$2
3972     first=$3
3973
3974     unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
3975     unset _ld_o _ldflags _ld_lib _ld_path
3976     unset _depflags _DEPCMD _DEPFLAGS
3977     _flags_filter=echo
3978
3979     if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
3980         true # no-op to avoid reading stdin in following checks
3981     elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
3982         _type=llvm_gcc
3983         gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')
3984         _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"
3985         _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3986         _cflags_speed='-O3'
3987         _cflags_size='-Os'
3988     elif $_cc -v 2>&1 | grep -qi ^gcc; then
3989         _type=gcc
3990         gcc_version=$($_cc --version | head -n1)
3991         gcc_basever=$($_cc -dumpversion)
3992         gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
3993         gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
3994         _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
3995         case $gcc_basever in
3996             2) ;;
3997             2.*) ;;
3998             *) _depflags='-MMD -MF $(@:.o=.d) -MT $@' ;;
3999         esac
4000         if [ "$first" = true ]; then
4001             case $gcc_basever in
4002                 4.2*)
4003                 warn "gcc 4.2 is outdated and may miscompile FFmpeg. Please use a newer compiler." ;;
4004             esac
4005         fi
4006         _cflags_speed='-O3'
4007         _cflags_size='-Os'
4008     elif $_cc --version 2>/dev/null | grep -q ^icc; then
4009         _type=icc
4010         _ident=$($_cc --version | head -n1)
4011         _depflags='-MMD'
4012         _cflags_speed='-O3'
4013         _cflags_size='-Os'
4014         _cflags_noopt='-O1'
4015         _flags_filter=icc_flags
4016     elif $_cc -v 2>&1 | grep -q xlc; then
4017         _type=xlc
4018         _ident=$($_cc -qversion 2>/dev/null | head -n1)
4019         _cflags_speed='-O5'
4020         _cflags_size='-O5 -qcompact'
4021     elif $_cc -V 2>/dev/null | grep -q Compaq; then
4022         _type=ccc
4023         _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
4024         _DEPFLAGS='-M'
4025         _cflags_speed='-fast'
4026         _cflags_size='-O1'
4027         _flags_filter=ccc_flags
4028     elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
4029         test -d "$sysroot" || die "No valid sysroot specified."
4030         _type=armcc
4031         _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
4032         armcc_conf="$PWD/armcc.conf"
4033         $_cc --arm_linux_configure                 \
4034              --arm_linux_config_file="$armcc_conf" \
4035              --configure_sysroot="$sysroot"        \
4036              --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
4037              die "Error creating armcc configuration file."
4038         $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
4039         _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
4040         as_default="${cross_prefix}gcc"
4041         _depflags='-MMD'
4042         _cflags_speed='-O3'
4043         _cflags_size='-Os'
4044     elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
4045         _type=tms470
4046         _ident=$($_cc -version | head -n1 | tr -s ' ')
4047         _flags='--gcc --abi=eabi -me'
4048         _cc_e='-ppl -fe=$@'
4049         _cc_o='-fe=$@'
4050         _depflags='-ppa -ppd=$(@:.o=.d)'
4051         _cflags_speed='-O3 -mf=5'
4052         _cflags_size='-O3 -mf=2'
4053         _flags_filter=tms470_flags
4054     elif $_cc -v 2>&1 | grep -q clang; then
4055         _type=clang
4056         _ident=$($_cc --version 2>/dev/null | head -n1)
4057         _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4058         _cflags_speed='-O3'
4059         _cflags_size='-Oz'
4060     elif $_cc -V 2>&1 | grep -q Sun; then
4061         _type=suncc
4062         _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
4063         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
4064         _DEPFLAGS='-xM1 -xc99'
4065         _ldflags='-std=c99'
4066         _cflags_speed='-O5'
4067         _cflags_size='-O5 -xspace'
4068         _flags_filter=suncc_flags
4069     elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
4070         _type=pathscale
4071         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
4072         _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4073         _cflags_speed='-O2'
4074         _cflags_size='-Os'
4075         _flags_filter='filter_out -Wdisabled-optimization'
4076     elif $_cc -v 2>&1 | grep -q Open64; then
4077         _type=open64
4078         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
4079         _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4080         _cflags_speed='-O2'
4081         _cflags_size='-Os'
4082         _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
4083     elif $_cc -V 2>&1 | grep -q Portland; then
4084         _type=pgi
4085         _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
4086         opt_common='-alias=ansi -Mdse -Mlre -Mpre'
4087         _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
4088         _cflags_size="-O2 -Munroll=c:1 $opt_common"
4089         _cflags_noopt="-O"
4090         _flags_filter=pgi_flags
4091     elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
4092         _type=armasm
4093         _ident=$($_cc | head -n1)
4094         # 4509: "This form of conditional instruction is deprecated"
4095         _flags="-nologo -ignore 4509"
4096         _flags_filter=armasm_flags
4097     elif $_cc 2>&1 | grep -q Intel; then
4098         _type=icl