7201941c36e59ddf11fee30d0ea447e95744e72c
[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:$PATH
58
59 show_help(){
60     cat <<EOF
61 Usage: configure [options]
62 Options: [defaults in brackets after descriptions]
63
64 Help options:
65   --help                   print this message
66   --quiet                  Suppress showing informative output
67   --list-decoders          show all available decoders
68   --list-encoders          show all available encoders
69   --list-hwaccels          show all available hardware accelerators
70   --list-demuxers          show all available demuxers
71   --list-muxers            show all available muxers
72   --list-parsers           show all available parsers
73   --list-protocols         show all available protocols
74   --list-bsfs              show all available bitstream filters
75   --list-indevs            show all available input devices
76   --list-outdevs           show all available output devices
77   --list-filters           show all available filters
78
79 Standard options:
80   --logfile=FILE           log tests and output to FILE [ffbuild/config.log]
81   --disable-logging        do not log configure debug information
82   --fatal-warnings         fail if any configure warning is generated
83   --prefix=PREFIX          install in PREFIX [$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
113 Program options:
114   --disable-programs       do not build command line programs
115   --disable-ffmpeg         disable ffmpeg build
116   --disable-ffplay         disable ffplay build
117   --disable-ffprobe        disable ffprobe build
118   --disable-ffserver       disable ffserver build
119
120 Documentation options:
121   --disable-doc            do not build documentation
122   --disable-htmlpages      do not build HTML documentation pages
123   --disable-manpages       do not build man documentation pages
124   --disable-podpages       do not build POD documentation pages
125   --disable-txtpages       do not build text documentation pages
126
127 Component options:
128   --disable-avdevice       disable libavdevice build
129   --disable-avcodec        disable libavcodec build
130   --disable-avformat       disable libavformat build
131   --disable-swresample     disable libswresample build
132   --disable-swscale        disable libswscale build
133   --disable-postproc       disable libpostproc build
134   --disable-avfilter       disable libavfilter build
135   --enable-avresample      enable libavresample build [no]
136   --disable-pthreads       disable pthreads [autodetect]
137   --disable-w32threads     disable Win32 threads [autodetect]
138   --disable-os2threads     disable OS/2 threads [autodetect]
139   --disable-network        disable network support [no]
140   --disable-dct            disable DCT code
141   --disable-dwt            disable DWT code
142   --disable-error-resilience disable error resilience code
143   --disable-lsp            disable LSP code
144   --disable-lzo            disable LZO decoder code
145   --disable-mdct           disable MDCT code
146   --disable-rdft           disable RDFT code
147   --disable-fft            disable FFT code
148   --disable-faan           disable floating point AAN (I)DCT code
149   --disable-pixelutils     disable pixel utils in libavutil
150
151 Individual component options:
152   --disable-everything     disable all components listed below
153   --disable-encoder=NAME   disable encoder NAME
154   --enable-encoder=NAME    enable encoder NAME
155   --disable-encoders       disable all encoders
156   --disable-decoder=NAME   disable decoder NAME
157   --enable-decoder=NAME    enable decoder NAME
158   --disable-decoders       disable all decoders
159   --disable-hwaccel=NAME   disable hwaccel NAME
160   --enable-hwaccel=NAME    enable hwaccel NAME
161   --disable-hwaccels       disable all hwaccels
162   --disable-muxer=NAME     disable muxer NAME
163   --enable-muxer=NAME      enable muxer NAME
164   --disable-muxers         disable all muxers
165   --disable-demuxer=NAME   disable demuxer NAME
166   --enable-demuxer=NAME    enable demuxer NAME
167   --disable-demuxers       disable all demuxers
168   --enable-parser=NAME     enable parser NAME
169   --disable-parser=NAME    disable parser NAME
170   --disable-parsers        disable all parsers
171   --enable-bsf=NAME        enable bitstream filter NAME
172   --disable-bsf=NAME       disable bitstream filter NAME
173   --disable-bsfs           disable all bitstream filters
174   --enable-protocol=NAME   enable protocol NAME
175   --disable-protocol=NAME  disable protocol NAME
176   --disable-protocols      disable all protocols
177   --enable-indev=NAME      enable input device NAME
178   --disable-indev=NAME     disable input device NAME
179   --disable-indevs         disable input devices
180   --enable-outdev=NAME     enable output device NAME
181   --disable-outdev=NAME    disable output device NAME
182   --disable-outdevs        disable output devices
183   --disable-devices        disable all devices
184   --enable-filter=NAME     enable filter NAME
185   --disable-filter=NAME    disable filter NAME
186   --disable-filters        disable all filters
187
188 External library support:
189
190   Using any of the following switches will allow FFmpeg to link to the
191   corresponding external library. All the components depending on that library
192   will become enabled, if all their other dependencies are met and they are not
193   explicitly disabled. E.g. --enable-libwavpack will enable linking to
194   libwavpack and allow the libwavpack encoder to be built, unless it is
195   specifically disabled with --disable-encoder=libwavpack.
196
197   Note that only the system libraries are auto-detected. All the other external
198   libraries must be explicitly enabled.
199
200   Also note that the following help text describes the purpose of the libraries
201   themselves, not all their features will necessarily be usable by FFmpeg.
202
203   --enable-avisynth        enable reading of AviSynth script files [no]
204   --disable-bzlib          disable bzlib [autodetect]
205   --enable-chromaprint     enable audio fingerprinting with chromaprint [no]
206   --enable-frei0r          enable frei0r video filtering [no]
207   --enable-gcrypt          enable gcrypt, needed for rtmp(t)e support
208                            if openssl, librtmp or gmp is not used [no]
209   --enable-gmp             enable gmp, needed for rtmp(t)e support
210                            if openssl or librtmp is not used [no]
211   --enable-gnutls          enable gnutls, needed for https support
212                            if openssl is not used [no]
213   --disable-iconv          disable iconv [autodetect]
214   --enable-jni             enable JNI support [no]
215   --enable-ladspa          enable LADSPA audio filtering [no]
216   --enable-libass          enable libass subtitles rendering,
217                            needed for subtitles and ass filter [no]
218   --enable-libbluray       enable BluRay reading using libbluray [no]
219   --enable-libbs2b         enable bs2b DSP library [no]
220   --enable-libcaca         enable textual display using libcaca [no]
221   --enable-libcelt         enable CELT decoding via libcelt [no]
222   --enable-libcdio         enable audio CD grabbing with libcdio [no]
223   --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394
224                            and libraw1394 [no]
225   --enable-libfdk-aac      enable AAC de/encoding via libfdk-aac [no]
226   --enable-libflite        enable flite (voice synthesis) support via libflite [no]
227   --enable-libfontconfig   enable libfontconfig, useful for drawtext filter [no]
228   --enable-libfreetype     enable libfreetype, needed for drawtext filter [no]
229   --enable-libfribidi      enable libfribidi, improves drawtext filter [no]
230   --enable-libgme          enable Game Music Emu via libgme [no]
231   --enable-libgsm          enable GSM de/encoding via libgsm [no]
232   --enable-libiec61883     enable iec61883 via libiec61883 [no]
233   --enable-libilbc         enable iLBC de/encoding via libilbc [no]
234   --enable-libkvazaar      enable HEVC encoding via libkvazaar [no]
235   --enable-libmodplug      enable ModPlug via libmodplug [no]
236   --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]
237   --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
238   --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
239   --enable-libopencv       enable video filtering via libopencv [no]
240   --enable-libopenh264     enable H.264 encoding via OpenH264 [no]
241   --enable-libopenjpeg     enable JPEG 2000 de/encoding via OpenJPEG [no]
242   --enable-libopenmpt      enable decoding tracked files via libopenmpt [no]
243   --enable-libopus         enable Opus de/encoding via libopus [no]
244   --enable-libpulse        enable Pulseaudio input via libpulse [no]
245   --enable-librsvg         enable SVG rasterization via librsvg [no]
246   --enable-librubberband   enable rubberband needed for rubberband filter [no]
247   --enable-librtmp         enable RTMP[E] support via librtmp [no]
248   --enable-libshine        enable fixed-point MP3 encoding via libshine [no]
249   --enable-libsmbclient    enable Samba protocol via libsmbclient [no]
250   --enable-libsnappy       enable Snappy compression, needed for hap encoding [no]
251   --enable-libsoxr         enable Include libsoxr resampling [no]
252   --enable-libspeex        enable Speex de/encoding via libspeex [no]
253   --enable-libssh          enable SFTP protocol via libssh [no]
254   --enable-libtesseract    enable Tesseract, needed for ocr filter [no]
255   --enable-libtheora       enable Theora encoding via libtheora [no]
256   --enable-libtwolame      enable MP2 encoding via libtwolame [no]
257   --enable-libv4l2         enable libv4l2/v4l-utils [no]
258   --enable-libvidstab      enable video stabilization using vid.stab [no]
259   --enable-libvmaf         enable vmaf filter via libvmaf [no]
260   --enable-libvo-amrwbenc  enable AMR-WB encoding via libvo-amrwbenc [no]
261   --enable-libvorbis       enable Vorbis en/decoding via libvorbis,
262                            native implementation exists [no]
263   --enable-libvpx          enable VP8 and VP9 de/encoding via libvpx [no]
264   --enable-libwavpack      enable wavpack encoding via libwavpack [no]
265   --enable-libwebp         enable WebP encoding via libwebp [no]
266   --enable-libx264         enable H.264 encoding via x264 [no]
267   --enable-libx265         enable HEVC encoding via x265 [no]
268   --enable-libxavs         enable AVS encoding via xavs [no]
269   --enable-libxcb          enable X11 grabbing using XCB [autodetect]
270   --enable-libxcb-shm      enable X11 grabbing shm communication [autodetect]
271   --enable-libxcb-xfixes   enable X11 grabbing mouse rendering [autodetect]
272   --enable-libxcb-shape    enable X11 grabbing shape rendering [autodetect]
273   --enable-libxvid         enable Xvid encoding via xvidcore,
274                            native MPEG-4/Xvid encoder exists [no]
275   --enable-libzimg         enable z.lib, needed for zscale filter [no]
276   --enable-libzmq          enable message passing via libzmq [no]
277   --enable-libzvbi         enable teletext support via libzvbi [no]
278   --disable-lzma           disable lzma [autodetect]
279   --enable-decklink        enable Blackmagic DeckLink I/O support [no]
280   --enable-mediacodec      enable Android MediaCodec support [no]
281   --enable-libmysofa       enable libmysofa, needed for sofalizer filter [no]
282   --enable-openal          enable OpenAL 1.1 capture support [no]
283   --enable-opencl          enable OpenCL code
284   --enable-opengl          enable OpenGL rendering [no]
285   --enable-openssl         enable openssl, needed for https support
286                            if gnutls is not used [no]
287   --disable-schannel       disable SChannel SSP, needed for TLS support on
288                            Windows if openssl and gnutls are not used [autodetect]
289   --disable-sdl2           disable sdl2 [autodetect]
290   --disable-securetransport disable Secure Transport, needed for TLS support
291                            on OSX if openssl and gnutls are not used [autodetect]
292   --disable-xlib           disable xlib [autodetect]
293   --disable-zlib           disable zlib [autodetect]
294
295   The following libraries provide various hardware acceleration features:
296   --disable-audiotoolbox   disable Apple AudioToolbox code [autodetect]
297   --disable-cuda           disable dynamically linked Nvidia CUDA code [autodetect]
298   --enable-cuda-sdk        enable CUDA features that require the CUDA SDK [no]
299   --disable-cuvid          disable Nvidia CUVID support [autodetect]
300   --disable-d3d11va        disable Microsoft Direct3D 11 video acceleration code [autodetect]
301   --disable-dxva2          disable Microsoft DirectX 9 video acceleration code [autodetect]
302   --enable-libmfx          enable Intel MediaSDK (AKA Quick Sync Video) code via libmfx [no]
303   --enable-libnpp          enable Nvidia Performance Primitives-based code [no]
304   --enable-mmal            enable Broadcom Multi-Media Abstraction Layer (Raspberry Pi) via MMAL [no]
305   --disable-nvenc          disable Nvidia video encoding code [autodetect]
306   --enable-omx             enable OpenMAX IL code [no]
307   --enable-omx-rpi         enable OpenMAX IL code for Raspberry Pi [no]
308   --disable-vaapi          disable Video Acceleration API (mainly Unix/Intel) code [autodetect]
309   --disable-vda            disable Apple Video Decode Acceleration code [autodetect]
310   --disable-vdpau          disable Nvidia Video Decode and Presentation API for Unix code [autodetect]
311   --disable-videotoolbox   disable VideoToolbox code [autodetect]
312
313 Toolchain options:
314   --arch=ARCH              select architecture [$arch]
315   --cpu=CPU                select the minimum required CPU (affects
316                            instruction selection, may crash on older CPUs)
317   --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]
318   --progs-suffix=SUFFIX    program name suffix []
319   --enable-cross-compile   assume a cross-compiler is used
320   --sysroot=PATH           root of cross-build tree
321   --sysinclude=PATH        location of cross-build system headers
322   --target-os=OS           compiler targets OS [$target_os]
323   --target-exec=CMD        command to run executables on target
324   --target-path=DIR        path to view of build directory on target
325   --target-samples=DIR     path to samples directory on target
326   --tempprefix=PATH        force fixed dir/prefix instead of mktemp for checks
327   --toolchain=NAME         set tool defaults according to NAME
328   --nm=NM                  use nm tool NM [$nm_default]
329   --ar=AR                  use archive tool AR [$ar_default]
330   --as=AS                  use assembler AS [$as_default]
331   --ln_s=LN_S              use symbolic link tool LN_S [$ln_s_default]
332   --strip=STRIP            use strip tool STRIP [$strip_default]
333   --windres=WINDRES        use windows resource compiler WINDRES [$windres_default]
334   --x86asmexe=EXE          use nasm-compatible assembler EXE [$x86asmexe_default]
335   --cc=CC                  use C compiler CC [$cc_default]
336   --cxx=CXX                use C compiler CXX [$cxx_default]
337   --objcc=OCC              use ObjC compiler OCC [$cc_default]
338   --dep-cc=DEPCC           use dependency generator DEPCC [$cc_default]
339   --nvcc=NVCC              use Nvidia CUDA compiler NVCC [$nvcc_default]
340   --ld=LD                  use linker LD [$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 [$ELIBS]
359   --extra-version=STRING   version string suffix []
360   --optflags=OPTFLAGS      override optimization-related compiler flags
361   --nvccflags=NVCCFLAGS    override nvcc flags [$nvccflags_default]
362   --build-suffix=SUFFIX    library name suffix []
363   --enable-pic             build position-independent code
364   --enable-thumb           compile for Thumb instruction set
365   --enable-lto             use link-time optimization
366   --env="ENV=override"     override the environment variables
367
368 Advanced options (experts only):
369   --malloc-prefix=PREFIX   prefix malloc and related names with PREFIX
370   --custom-allocator=NAME  use a supported custom allocator
371   --disable-symver         disable symbol versioning
372   --enable-hardcoded-tables use hardcoded tables instead of runtime generation
373   --disable-safe-bitstream-reader
374                            disable buffer boundary checking in bitreaders
375                            (faster, but may crash)
376   --sws-max-filter-size=N  the max filter size swscale uses [$sws_max_filter_size_default]
377
378 Optimization options (experts only):
379   --disable-asm            disable all assembly optimizations
380   --disable-altivec        disable AltiVec optimizations
381   --disable-vsx            disable VSX optimizations
382   --disable-power8         disable POWER8 optimizations
383   --disable-amd3dnow       disable 3DNow! optimizations
384   --disable-amd3dnowext    disable 3DNow! extended optimizations
385   --disable-mmx            disable MMX optimizations
386   --disable-mmxext         disable MMXEXT optimizations
387   --disable-sse            disable SSE optimizations
388   --disable-sse2           disable SSE2 optimizations
389   --disable-sse3           disable SSE3 optimizations
390   --disable-ssse3          disable SSSE3 optimizations
391   --disable-sse4           disable SSE4 optimizations
392   --disable-sse42          disable SSE4.2 optimizations
393   --disable-avx            disable AVX optimizations
394   --disable-xop            disable XOP optimizations
395   --disable-fma3           disable FMA3 optimizations
396   --disable-fma4           disable FMA4 optimizations
397   --disable-avx2           disable AVX2 optimizations
398   --disable-aesni          disable AESNI optimizations
399   --disable-armv5te        disable armv5te optimizations
400   --disable-armv6          disable armv6 optimizations
401   --disable-armv6t2        disable armv6t2 optimizations
402   --disable-vfp            disable VFP optimizations
403   --disable-neon           disable NEON optimizations
404   --disable-inline-asm     disable use of inline assembly
405   --disable-x86asm         disable use of standalone x86 assembly
406   --disable-mipsdsp        disable MIPS DSP ASE R1 optimizations
407   --disable-mipsdspr2      disable MIPS DSP ASE R2 optimizations
408   --disable-msa            disable MSA optimizations
409   --disable-mipsfpu        disable floating point MIPS optimizations
410   --disable-mmi            disable Loongson SIMD optimizations
411   --disable-fast-unaligned consider unaligned accesses slow
412
413 Developer options (useful when working on FFmpeg itself):
414   --disable-debug          disable debugging symbols
415   --enable-debug=LEVEL     set the debug level [$debuglevel]
416   --disable-optimizations  disable compiler optimizations
417   --enable-extra-warnings  enable more compiler warnings
418   --disable-stripping      disable stripping of executables and shared libraries
419   --assert-level=level     0(default), 1 or 2, amount of assertion testing,
420                            2 causes a slowdown at runtime.
421   --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
422   --valgrind=VALGRIND      run "make fate" tests through valgrind to detect memory
423                            leaks and errors, using the specified valgrind binary.
424                            Cannot be combined with --target-exec
425   --enable-ftrapv          Trap arithmetic overflows
426   --samples=PATH           location of test samples for FATE, if not set use
427                            \$FATE_SAMPLES at make invocation time.
428   --enable-neon-clobber-test check NEON registers for clobbering (should be
429                            used only for debugging purposes)
430   --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
431                            should be used only for debugging purposes)
432   --enable-random          randomly enable/disable components
433   --disable-random
434   --enable-random=LIST     randomly enable/disable specific components or
435   --disable-random=LIST    component groups. LIST is a comma-separated list
436                            of NAME[:PROB] entries where NAME is a component
437                            (group) and PROB the probability associated with
438                            NAME (default 0.5).
439   --random-seed=VALUE      seed value for --enable/disable-random
440   --disable-valgrind-backtrace do not print a backtrace under Valgrind
441                            (only applies to --disable-optimizations builds)
442   --enable-osfuzz          Enable building fuzzer tool
443   --libfuzzer=PATH         path to libfuzzer
444   --ignore-tests=TESTS     comma-separated list (without "fate-" prefix
445                            in the name) of tests whose result is ignored
446
447 NOTE: Object files are built at the place where configure is launched.
448 EOF
449   exit 0
450 }
451
452 quotes='""'
453 if test -t 1 && which tput >/dev/null 2>&1; then
454     ncolors=$(tput colors)
455     if test -n "$ncolors" && test $ncolors -ge 8; then
456         bold_color=$(tput bold)
457         warn_color=$(tput setaf 3)
458         error_color=$(tput setaf 1)
459         reset_color=$(tput sgr0)
460     fi
461     # 72 used instead of 80 since that's the default of pr
462     ncols=$(tput cols)
463 fi
464 : ${ncols:=72}
465
466 log(){
467     echo "$@" >> $logfile
468 }
469
470 log_file(){
471     log BEGIN $1
472     pr -n -t $1 >> $logfile
473     log END $1
474 }
475
476 warn(){
477     log "WARNING: $*"
478     WARNINGS="${WARNINGS}WARNING: $*\n"
479 }
480
481 die(){
482     log "$@"
483     echo "$error_color$bold_color$@$reset_color"
484     cat <<EOF
485
486 If you think configure made a mistake, make sure you are using the latest
487 version from Git.  If the latest version fails, report the problem to the
488 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
489 EOF
490     if disabled logging; then
491         cat <<EOF
492 Rerun configure with logging enabled (do not use --disable-logging), and
493 include the log this produces with your report.
494 EOF
495     else
496         cat <<EOF
497 Include the log file "$logfile" produced by configure as this will help
498 solve the problem.
499 EOF
500     fi
501     exit 1
502 }
503
504 # Avoid locale weirdness, besides we really just want to translate ASCII.
505 toupper(){
506     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
507 }
508
509 tolower(){
510     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
511 }
512
513 c_escape(){
514     echo "$*" | sed 's/["\\]/\\\0/g'
515 }
516
517 sh_quote(){
518     v=$(echo "$1" | sed "s/'/'\\\\''/g")
519     test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
520     echo "$v"
521 }
522
523 cleanws(){
524     echo "$@" | sed 's/^ *//;s/[[:space:]][[:space:]]*/ /g;s/ *$//'
525 }
526
527 filter(){
528     pat=$1
529     shift
530     for v; do
531         eval "case $v in $pat) printf '%s ' $v ;; esac"
532     done
533 }
534
535 filter_out(){
536     pat=$1
537     shift
538     for v; do
539         eval "case $v in $pat) ;; *) printf '%s ' $v ;; esac"
540     done
541 }
542
543 map(){
544     m=$1
545     shift
546     for v; do eval $m; done
547 }
548
549 add_suffix(){
550     suffix=$1
551     shift
552     for v; do echo ${v}${suffix}; done
553 }
554
555 set_all(){
556     value=$1
557     shift
558     for var in $*; do
559         eval $var=$value
560     done
561 }
562
563 set_weak(){
564     value=$1
565     shift
566     for var; do
567         eval : \${$var:=$value}
568     done
569 }
570
571 sanitize_var_name(){
572     echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
573 }
574
575 set_safe(){
576     var=$1
577     shift
578     eval $(sanitize_var_name "$var")='$*'
579 }
580
581 get_safe(){
582     eval echo \$$(sanitize_var_name "$1")
583 }
584
585 pushvar(){
586     for pvar in $*; do
587         eval level=\${${pvar}_level:=0}
588         eval ${pvar}_${level}="\$$pvar"
589         eval ${pvar}_level=$(($level+1))
590     done
591 }
592
593 popvar(){
594     for pvar in $*; do
595         eval level=\${${pvar}_level:-0}
596         test $level = 0 && continue
597         eval level=$(($level-1))
598         eval $pvar="\${${pvar}_${level}}"
599         eval ${pvar}_level=$level
600         eval unset ${pvar}_${level}
601     done
602 }
603
604 request(){
605     for var in $*; do
606         eval ${var}_requested=yes
607         eval $var=
608     done
609 }
610
611 enable(){
612     set_all yes $*
613 }
614
615 disable(){
616     set_all no $*
617 }
618
619 enable_weak(){
620     set_weak yes $*
621 }
622
623 disable_weak(){
624     set_weak no $*
625 }
626
627 enable_safe(){
628     for var; do
629         enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
630     done
631 }
632
633 disable_safe(){
634     for var; do
635         disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
636     done
637 }
638
639 do_enable_deep(){
640     for var; do
641         enabled $var && continue
642         eval sel="\$${var}_select"
643         eval sgs="\$${var}_suggest"
644         pushvar var sgs
645         enable_deep $sel
646         popvar sgs
647         enable_deep_weak $sgs
648         popvar var
649     done
650 }
651
652 enable_deep(){
653     do_enable_deep $*
654     enable $*
655 }
656
657 enable_deep_weak(){
658     for var; do
659         disabled $var && continue
660         pushvar var
661         do_enable_deep $var
662         popvar var
663         enable_weak $var
664     done
665 }
666
667 requested(){
668     test "${1#!}" = "$1" && op='=' || op=!=
669     eval test "x\$${1#!}_requested" $op "xyes"
670 }
671
672 enabled(){
673     test "${1#!}" = "$1" && op='=' || op=!=
674     eval test "x\$${1#!}" $op "xyes"
675 }
676
677 disabled(){
678     test "${1#!}" = "$1" && op='=' || op=!=
679     eval test "x\$${1#!}" $op "xno"
680 }
681
682 enabled_all(){
683     for opt; do
684         enabled $opt || return 1
685     done
686 }
687
688 disabled_all(){
689     for opt; do
690         disabled $opt || return 1
691     done
692 }
693
694 enabled_any(){
695     for opt; do
696         enabled $opt && return 0
697     done
698 }
699
700 disabled_any(){
701     for opt; do
702         disabled $opt && return 0
703     done
704     return 1
705 }
706
707 set_default(){
708     for opt; do
709         eval : \${$opt:=\$${opt}_default}
710     done
711 }
712
713 is_in(){
714     value=$1
715     shift
716     for var in $*; do
717         [ $var = $value ] && return 0
718     done
719     return 1
720 }
721
722 do_check_deps(){
723     for cfg; do
724         cfg="${cfg#!}"
725         enabled ${cfg}_checking && die "Circular dependency for $cfg."
726         disabled ${cfg}_checking && continue
727         enable ${cfg}_checking
728         append allopts $cfg
729
730         eval dep_all="\$${cfg}_deps"
731         eval dep_any="\$${cfg}_deps_any"
732         eval dep_sel="\$${cfg}_select"
733         eval dep_sgs="\$${cfg}_suggest"
734         eval dep_ifa="\$${cfg}_if"
735         eval dep_ifn="\$${cfg}_if_any"
736
737         pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
738         do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
739         popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
740
741         [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
742         [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
743         enabled_all  $dep_all || { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but not all dependencies are satisfied: $dep_all"; }
744         enabled_any  $dep_any || { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but not any dependency is satisfied: $dep_any"; }
745         disabled_any $dep_sel && { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but some selected dependency is unsatisfied: $dep_sel"; }
746
747         if enabled $cfg; then
748             enable_deep $dep_sel
749             enable_deep_weak $dep_sgs
750         fi
751
752         disable ${cfg}_checking
753     done
754 }
755
756 check_deps(){
757     unset allopts
758
759     do_check_deps "$@"
760
761     for cfg in $allopts; do
762         enabled $cfg || continue
763         eval dep_extralibs="\$${cfg}_extralibs"
764         test -n "$dep_extralibs" && add_extralibs $dep_extralibs
765     done
766 }
767
768 print_config(){
769     pfx=$1
770     files=$2
771     shift 2
772     map 'eval echo "$v \${$v:-no}"' "$@" |
773     awk "BEGIN { split(\"$files\", files) }
774         {
775             c = \"$pfx\" toupper(\$1);
776             v = \$2;
777             sub(/yes/, 1, v);
778             sub(/no/,  0, v);
779             for (f in files) {
780                 file = files[f];
781                 if (file ~ /\\.h\$/) {
782                     printf(\"#define %s %d\\n\", c, v) >>file;
783                 } else if (file ~ /\\.asm\$/) {
784                     printf(\"%%define %s %d\\n\", c, v) >>file;
785                 } else if (file ~ /\\.mak\$/) {
786                     n = -v ? \"\" : \"!\";
787                     printf(\"%s%s=yes\\n\", n, c) >>file;
788                 } else if (file ~ /\\.texi\$/) {
789                     pre = -v ? \"\" : \"@c \";
790                     yesno = \$2;
791                     c2 = tolower(c);
792                     gsub(/_/, \"-\", c2);
793                     printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
794                 }
795             }
796         }"
797 }
798
799 print_enabled(){
800     suf=$1
801     shift
802     for v; do
803         enabled $v && printf "%s\n" ${v%$suf}
804     done
805 }
806
807 append(){
808     var=$1
809     shift
810     eval "$var=\"\$$var $*\""
811 }
812
813 prepend(){
814     var=$1
815     shift
816     eval "$var=\"$* \$$var\""
817 }
818
819 unique(){
820     var=$1
821     uniq_list=""
822     for tok in $(eval echo \$$var); do
823         uniq_list="$(filter_out $tok $uniq_list) $tok"
824     done
825     eval "$var=\"${uniq_list}\""
826 }
827
828 add_cppflags(){
829     append CPPFLAGS "$@"
830 }
831
832 add_cflags(){
833     append CFLAGS $($cflags_filter "$@")
834 }
835
836 add_cflags_headers(){
837     append CFLAGS_HEADERS $($cflags_filter "$@")
838 }
839
840 add_cxxflags(){
841     append CXXFLAGS $($cflags_filter "$@")
842 }
843
844 add_asflags(){
845     append ASFLAGS $($asflags_filter "$@")
846 }
847
848 add_objcflags(){
849     append OBJCFLAGS $($objcflags_filter "$@")
850 }
851
852 add_ldflags(){
853     append LDFLAGS $($ldflags_filter "$@")
854 }
855
856 add_ldexeflags(){
857     append LDEXEFLAGS $($ldflags_filter "$@")
858 }
859
860 add_ldlibflags(){
861     append LDLIBFLAGS $($ldflags_filter "$@")
862 }
863
864 add_stripflags(){
865     append ASMSTRIPFLAGS "$@"
866 }
867
868 add_extralibs(){
869     prepend extralibs $($ldflags_filter "$@")
870 }
871
872 add_host_cppflags(){
873     append host_cppflags "$@"
874 }
875
876 add_host_cflags(){
877     append host_cflags $($host_cflags_filter "$@")
878 }
879
880 add_host_ldflags(){
881     append host_ldflags $($host_ldflags_filter "$@")
882 }
883
884 add_compat(){
885     append compat_objs $1
886     shift
887     map 'add_cppflags -D$v' "$@"
888 }
889
890 check_cmd(){
891     log "$@"
892     "$@" >> $logfile 2>&1
893 }
894
895 check_stat(){
896     log check_stat "$@"
897     stat "$1" >> $logfile 2>&1
898 }
899
900 cc_o(){
901     eval printf '%s\\n' $CC_O
902 }
903
904 cc_e(){
905     eval printf '%s\\n' $CC_E
906 }
907
908 check_cc(){
909     log check_cc "$@"
910     cat > $TMPC
911     log_file $TMPC
912     check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
913 }
914
915 check_cxx(){
916     log check_cxx "$@"
917     cat > $TMPCPP
918     log_file $TMPCPP
919     check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
920 }
921
922 check_objcc(){
923     log check_objcc "$@"
924     cat > $TMPM
925     log_file $TMPM
926     check_cmd $objcc -Werror=missing-prototypes $CPPFLAGS $CFLAGS $OBJCFLAGS "$@" $OBJCC_C $(cc_o $TMPO) $TMPM
927 }
928
929 check_cpp(){
930     log check_cpp "$@"
931     cat > $TMPC
932     log_file $TMPC
933     check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
934 }
935
936 as_o(){
937     eval printf '%s\\n' $AS_O
938 }
939
940 check_as(){
941     log check_as "$@"
942     cat > $TMPS
943     log_file $TMPS
944     check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
945 }
946
947 check_inline_asm(){
948     log check_inline_asm "$@"
949     name="$1"
950     code="$2"
951     shift 2
952     disable $name
953     check_cc "$@" <<EOF && enable $name
954 void foo(void){ __asm__ volatile($code); }
955 EOF
956 }
957
958 check_inline_asm_flags(){
959     log check_inline_asm_flags "$@"
960     name="$1"
961     code="$2"
962     flags=''
963     shift 2
964     while [ "$1" != "" ]; do
965       append flags $1
966       shift
967     done;
968     disable $name
969     cat > $TMPC <<EOF
970 void foo(void){ __asm__ volatile($code); }
971 EOF
972     log_file $TMPC
973     check_cmd $cc $CPPFLAGS $CFLAGS $flags "$@" $CC_C $(cc_o $TMPO) $TMPC &&
974     enable $name && add_cflags $flags && add_asflags $flags && add_ldflags $flags
975 }
976
977 check_insn(){
978     log check_insn "$@"
979     check_inline_asm ${1}_inline "\"$2\""
980     echo "$2" | check_as && enable ${1}_external || disable ${1}_external
981 }
982
983 check_x86asm(){
984     log check_x86asm "$@"
985     echo "$1" > $TMPS
986     log_file $TMPS
987     shift 1
988     check_cmd $x86asmexe $X86ASMFLAGS -Werror "$@" -o $TMPO $TMPS
989 }
990
991 ld_o(){
992     eval printf '%s\\n' $LD_O
993 }
994
995 check_ld(){
996     log check_ld "$@"
997     type=$1
998     shift 1
999     flags=$(filter_out '-l*|*.so' $@)
1000     libs=$(filter '-l*|*.so' $@)
1001     check_$type $($cflags_filter $flags) || return
1002     flags=$($ldflags_filter $flags)
1003     libs=$($ldflags_filter $libs)
1004     check_cmd $ld $LDFLAGS $LDEXEFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
1005 }
1006
1007 print_include(){
1008     hdr=$1
1009     test "${hdr%.h}" = "${hdr}" &&
1010         echo "#include $hdr"    ||
1011         echo "#include <$hdr>"
1012 }
1013
1014 check_code(){
1015     log check_code "$@"
1016     check=$1
1017     headers=$2
1018     code=$3
1019     shift 3
1020     {
1021         for hdr in $headers; do
1022             print_include $hdr
1023         done
1024         echo "int main(void) { $code; return 0; }"
1025     } | check_$check "$@"
1026 }
1027
1028 check_cppflags(){
1029     log check_cppflags "$@"
1030     check_cpp "$@" <<EOF && append CPPFLAGS "$@"
1031 int x;
1032 EOF
1033 }
1034
1035 test_cflags(){
1036     log test_cflags "$@"
1037     set -- $($cflags_filter "$@")
1038     check_cc "$@" <<EOF
1039 int x;
1040 EOF
1041 }
1042
1043 check_cflags(){
1044     log check_cflags "$@"
1045     test_cflags "$@" && add_cflags "$@"
1046 }
1047
1048 check_cxxflags(){
1049     log check_cxxflags "$@"
1050     set -- $($cflags_filter "$@")
1051     check_cxx "$@" <<EOF && append CXXFLAGS "$@"
1052 int x;
1053 EOF
1054 }
1055
1056 test_objcflags(){
1057     log test_objcflags "$@"
1058     set -- $($objcflags_filter "$@")
1059     check_objcc "$@" <<EOF
1060 int x;
1061 EOF
1062 }
1063
1064 check_objcflags(){
1065     log check_objcflags "$@"
1066     test_objcflags "$@" && add_objcflags "$@"
1067 }
1068
1069 test_ldflags(){
1070     log test_ldflags "$@"
1071     check_ld "cc" "$@" <<EOF
1072 int main(void){ return 0; }
1073 EOF
1074 }
1075
1076 check_ldflags(){
1077     log check_ldflags "$@"
1078     test_ldflags "$@" && add_ldflags "$@"
1079 }
1080
1081 test_stripflags(){
1082     log test_stripflags "$@"
1083     # call check_cc to get a fresh TMPO
1084     check_cc <<EOF
1085 int main(void) { return 0; }
1086 EOF
1087     check_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO
1088 }
1089
1090 check_stripflags(){
1091     log check_stripflags "$@"
1092     test_stripflags "$@" && add_stripflags "$@"
1093 }
1094
1095 check_header(){
1096     log check_header "$@"
1097     header=$1
1098     shift
1099     disable_safe $header
1100     check_cpp "$@" <<EOF && enable_safe $header
1101 #include <$header>
1102 int x;
1103 EOF
1104 }
1105
1106 check_header_objcc(){
1107     log check_header_objcc "$@"
1108     rm -f -- "$TMPO"
1109     header=$1
1110     shift
1111     disable_safe $header
1112     {
1113        echo "#include <$header>"
1114        echo "int main(void) { return 0; }"
1115     } | check_objcc && check_stat "$TMPO" && enable_safe $headers
1116 }
1117
1118 check_func(){
1119     log check_func "$@"
1120     func=$1
1121     shift
1122     disable $func
1123     check_ld "cc" "$@" <<EOF && enable $func
1124 extern int $func();
1125 int main(void){ $func(); }
1126 EOF
1127 }
1128
1129 check_complexfunc(){
1130     log check_complexfunc "$@"
1131     func=$1
1132     narg=$2
1133     shift 2
1134     test $narg = 2 && args="f, g" || args="f * I"
1135     disable $func
1136     check_ld "cc" "$@" <<EOF && enable $func
1137 #include <complex.h>
1138 #include <math.h>
1139 float foo(complex float f, complex float g) { return $func($args); }
1140 int main(void){ return (int) foo; }
1141 EOF
1142 }
1143
1144 check_mathfunc(){
1145     log check_mathfunc "$@"
1146     func=$1
1147     narg=$2
1148     shift 2
1149     test $narg = 2 && args="f, g" || args="f"
1150     disable $func
1151     check_ld "cc" "$@" <<EOF && enable $func
1152 #include <math.h>
1153 float foo(float f, float g) { return $func($args); }
1154 int main(void){ return (int) foo; }
1155 EOF
1156 }
1157
1158 check_func_headers(){
1159     log check_func_headers "$@"
1160     headers=$1
1161     funcs=$2
1162     shift 2
1163     {
1164         for hdr in $headers; do
1165             print_include $hdr
1166         done
1167         echo "#include <stdint.h>"
1168         for func in $funcs; do
1169             echo "long check_$func(void) { return (long) $func; }"
1170         done
1171         echo "int main(void) { int ret = 0;"
1172         # LTO could optimize out the test functions without this
1173         for func in $funcs; do
1174             echo " ret |= ((intptr_t)check_$func) & 0xFFFF;"
1175         done
1176         echo "return ret; }"
1177     } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
1178 }
1179
1180 check_class_headers_cpp(){
1181     log check_class_headers_cpp "$@"
1182     headers=$1
1183     classes=$2
1184     shift 2
1185     {
1186         for hdr in $headers; do
1187             echo "#include <$hdr>"
1188         done
1189         echo "int main(void) { "
1190         i=1
1191         for class in $classes; do
1192             echo "$class obj$i;"
1193             i=$(expr $i + 1)
1194         done
1195         echo "return 0; }"
1196     } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
1197 }
1198
1199 check_cpp_condition(){
1200     log check_cpp_condition "$@"
1201     header=$1
1202     condition=$2
1203     shift 2
1204     check_cpp "$@" <<EOF
1205 #include <$header>
1206 #if !($condition)
1207 #error "unsatisfied condition: $condition"
1208 #endif
1209 EOF
1210 }
1211
1212 test_cflags_cc(){
1213     log test_cflags_cc "$@"
1214     flags=$1
1215     header=$2
1216     condition=$3
1217     shift 3
1218     set -- $($cflags_filter "$flags")
1219     check_cc "$@" <<EOF
1220 #include <$header>
1221 #if !($condition)
1222 #error "unsatisfied condition: $condition"
1223 #endif
1224 EOF
1225 }
1226
1227 check_lib(){
1228     log check_lib "$@"
1229     name="$1"
1230     headers="$2"
1231     funcs="$3"
1232     shift 3
1233     disable $name
1234     check_func_headers "$headers" "$funcs" "$@" &&
1235         enable $name && add_extralibs "$@"
1236 }
1237
1238 check_lib_cpp(){
1239     log check_lib_cpp "$@"
1240     headers="$1"
1241     classes="$2"
1242     shift 2
1243     check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
1244 }
1245
1246 check_pkg_config(){
1247     log check_pkg_config "$@"
1248     pkg_version="$1"
1249     pkg="${1%% *}"
1250     headers="$2"
1251     funcs="$3"
1252     shift 3
1253     check_cmd $pkg_config --exists --print-errors $pkg_version || return
1254     pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1255     pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1256     check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1257         set_safe "${pkg}_cflags"    $pkg_cflags &&
1258         set_safe "${pkg}_extralibs" $pkg_libs
1259 }
1260
1261 check_exec(){
1262     check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1263 }
1264
1265 check_exec_crash(){
1266     log check_exec_crash "$@"
1267     code=$(cat)
1268
1269     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
1270     # are safe but may not be available everywhere.  Thus we use
1271     # raise(SIGTERM) instead.  The check is run in a subshell so we
1272     # can redirect the "Terminated" message from the shell.  SIGBUS
1273     # is not defined by standard C so it is used conditionally.
1274
1275     (check_exec "$@") >> $logfile 2>&1 <<EOF
1276 #include <signal.h>
1277 static void sighandler(int sig){
1278     raise(SIGTERM);
1279 }
1280 int foo(void){
1281     $code
1282 }
1283 int (*func_ptr)(void) = foo;
1284 int main(void){
1285     signal(SIGILL, sighandler);
1286     signal(SIGFPE, sighandler);
1287     signal(SIGSEGV, sighandler);
1288 #ifdef SIGBUS
1289     signal(SIGBUS, sighandler);
1290 #endif
1291     return func_ptr();
1292 }
1293 EOF
1294 }
1295
1296 check_type(){
1297     log check_type "$@"
1298     headers=$1
1299     type=$2
1300     shift 2
1301     disable_safe "$type"
1302     check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1303 }
1304
1305 check_struct(){
1306     log check_struct "$@"
1307     headers=$1
1308     struct=$2
1309     member=$3
1310     shift 3
1311     disable_safe "${struct}_${member}"
1312     check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1313         enable_safe "${struct}_${member}"
1314 }
1315
1316 check_builtin(){
1317     log check_builtin "$@"
1318     name=$1
1319     headers=$2
1320     builtin=$3
1321     shift 3
1322     disable "$name"
1323     check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1324 }
1325
1326 check_compile_assert(){
1327     log check_compile_assert "$@"
1328     name=$1
1329     headers=$2
1330     condition=$3
1331     shift 3
1332     disable "$name"
1333     check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1334 }
1335
1336 require(){
1337     log require "$@"
1338     name_version="$1"
1339     name="${1%% *}"
1340     headers="$2"
1341     func="$3"
1342     shift 3
1343     check_lib $name "$headers" $func "$@" || die "ERROR: $name_version not found"
1344 }
1345
1346 require_cpp(){
1347     name="$1"
1348     headers="$2"
1349     classes="$3"
1350     shift 3
1351     check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1352 }
1353
1354 use_pkg_config(){
1355     log use_pkg_config "$@"
1356     pkg="$1"
1357     check_pkg_config "$@" || return 1
1358     add_cflags    $(get_safe "${pkg}_cflags")
1359     add_extralibs $(get_safe "${pkg}_extralibs")
1360 }
1361
1362 require_pkg_config(){
1363     use_pkg_config "$@" || die "ERROR: $pkg not found using pkg-config$pkg_config_fail_message"
1364 }
1365
1366 hostcc_e(){
1367     eval printf '%s\\n' $HOSTCC_E
1368 }
1369
1370 hostcc_o(){
1371     eval printf '%s\\n' $HOSTCC_O
1372 }
1373
1374 check_host_cc(){
1375     log check_host_cc "$@"
1376     cat > $TMPC
1377     log_file $TMPC
1378     check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1379 }
1380
1381 check_host_cpp(){
1382     log check_host_cpp "$@"
1383     cat > $TMPC
1384     log_file $TMPC
1385     check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1386 }
1387
1388 check_host_cppflags(){
1389     log check_host_cppflags "$@"
1390     check_host_cpp "$@" <<EOF && append host_cppflags "$@"
1391 int x;
1392 EOF
1393 }
1394
1395 check_host_cflags(){
1396     log check_host_cflags "$@"
1397     set -- $($host_cflags_filter "$@")
1398     check_host_cc "$@" <<EOF && append host_cflags "$@"
1399 int x;
1400 EOF
1401 }
1402
1403 check_host_cpp_condition(){
1404     log check_host_cpp_condition "$@"
1405     header=$1
1406     condition=$2
1407     shift 2
1408     check_host_cpp "$@" <<EOF
1409 #include <$header>
1410 #if !($condition)
1411 #error "unsatisfied condition: $condition"
1412 #endif
1413 EOF
1414 }
1415
1416 cp_if_changed(){
1417     cmp -s "$1" "$2" && { test "$quiet" != "yes" && echo "$2 is unchanged"; } && return
1418     mkdir -p "$(dirname $2)"
1419     cp -f "$1" "$2"
1420 }
1421
1422 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1423 # system-dependent things.
1424
1425 AVCODEC_COMPONENTS="
1426     bsfs
1427     decoders
1428     encoders
1429     hwaccels
1430     parsers
1431 "
1432
1433 AVDEVICE_COMPONENTS="
1434     indevs
1435     outdevs
1436 "
1437 AVFILTER_COMPONENTS="
1438     filters
1439 "
1440 AVFORMAT_COMPONENTS="
1441     demuxers
1442     muxers
1443     protocols
1444 "
1445
1446 AVRESAMPLE_COMPONENTS=""
1447 AVUTIL_COMPONENTS=""
1448
1449 COMPONENT_LIST="
1450     $AVCODEC_COMPONENTS
1451     $AVDEVICE_COMPONENTS
1452     $AVFILTER_COMPONENTS
1453     $AVFORMAT_COMPONENTS
1454     $AVRESAMPLE_COMPONENTS
1455     $AVUTIL_COMPONENTS
1456 "
1457
1458 EXAMPLE_LIST="
1459     avio_dir_cmd_example
1460     avio_reading_example
1461     decode_audio_example
1462     decode_video_example
1463     demuxing_decoding_example
1464     encode_audio_example
1465     encode_video_example
1466     extract_mvs_example
1467     filter_audio_example
1468     filtering_audio_example
1469     filtering_video_example
1470     http_multiclient_example
1471     hw_decode_example
1472     metadata_example
1473     muxing_example
1474     qsvdec_example
1475     remuxing_example
1476     resampling_audio_example
1477     scaling_video_example
1478     transcode_aac_example
1479     transcoding_example
1480 "
1481 EXTERNAL_AUTODETECT_LIBRARY_LIST="
1482     bzlib
1483     iconv
1484     libxcb
1485     libxcb_shm
1486     libxcb_shape
1487     libxcb_xfixes
1488     lzma
1489     schannel
1490     sdl
1491     sdl2
1492     securetransport
1493     xlib
1494     zlib
1495 "
1496
1497 EXTERNAL_LIBRARY_GPL_LIST="
1498     avisynth
1499     frei0r
1500     libcdio
1501     librubberband
1502     libvidstab
1503     libx264
1504     libx265
1505     libxavs
1506     libxvid
1507 "
1508
1509 EXTERNAL_LIBRARY_NONFREE_LIST="
1510     decklink
1511     libfdk_aac
1512     openssl
1513 "
1514
1515 EXTERNAL_LIBRARY_VERSION3_LIST="
1516     gmp
1517     libopencore_amrnb
1518     libopencore_amrwb
1519     libvo_amrwbenc
1520 "
1521
1522 EXTERNAL_LIBRARY_GPLV3_LIST="
1523     libsmbclient
1524 "
1525
1526 EXTERNAL_LIBRARY_LIST="
1527     $EXTERNAL_AUTODETECT_LIBRARY_LIST
1528     $EXTERNAL_LIBRARY_GPL_LIST
1529     $EXTERNAL_LIBRARY_NONFREE_LIST
1530     $EXTERNAL_LIBRARY_VERSION3_LIST
1531     $EXTERNAL_LIBRARY_GPLV3_LIST
1532     chromaprint
1533     crystalhd
1534     gcrypt
1535     gnutls
1536     jni
1537     ladspa
1538     libass
1539     libbluray
1540     libbs2b
1541     libcaca
1542     libcelt
1543     libdc1394
1544     libflite
1545     libfontconfig
1546     libfreetype
1547     libfribidi
1548     libgme
1549     libgsm
1550     libiec61883
1551     libilbc
1552     libkvazaar
1553     libmodplug
1554     libmp3lame
1555     libmysofa
1556     libopencv
1557     libopenh264
1558     libopenjpeg
1559     libopenmpt
1560     libopus
1561     libpulse
1562     librsvg
1563     librtmp
1564     libshine
1565     libsmbclient
1566     libsnappy
1567     libsoxr
1568     libspeex
1569     libssh
1570     libtesseract
1571     libtheora
1572     libtwolame
1573     libv4l2
1574     libvmaf
1575     libvorbis
1576     libvpx
1577     libwavpack
1578     libwebp
1579     libzimg
1580     libzmq
1581     libzvbi
1582     mediacodec
1583     openal
1584     opencl
1585     opengl
1586     videotoolbox
1587 "
1588 HWACCEL_AUTODETECT_LIBRARY_LIST="
1589     audiotoolbox
1590     cuda
1591     cuvid
1592     d3d11va
1593     dxva2
1594     nvenc
1595     vaapi
1596     vda
1597     vdpau
1598     videotoolbox_hwaccel
1599     xvmc
1600 "
1601
1602 HWACCEL_LIBRARY_NONFREE_LIST="
1603     cuda_sdk
1604     libnpp
1605 "
1606
1607 HWACCEL_LIBRARY_LIST="
1608     $HWACCEL_AUTODETECT_LIBRARY_LIST
1609     $HWACCEL_LIBRARY_NONFREE_LIST
1610     libmfx
1611     mmal
1612     omx
1613 "
1614
1615 DOCUMENT_LIST="
1616     doc
1617     htmlpages
1618     manpages
1619     podpages
1620     txtpages
1621 "
1622
1623 FEATURE_LIST="
1624     ftrapv
1625     gray
1626     hardcoded_tables
1627     omx_rpi
1628     runtime_cpudetect
1629     safe_bitstream_reader
1630     shared
1631     small
1632     static
1633     swscale_alpha
1634 "
1635
1636 LIBRARY_LIST="
1637     avcodec
1638     avdevice
1639     avfilter
1640     avformat
1641     avresample
1642     avutil
1643     postproc
1644     swresample
1645     swscale
1646 "
1647
1648 LICENSE_LIST="
1649     gpl
1650     nonfree
1651     version3
1652 "
1653
1654 PROGRAM_LIST="
1655     ffplay
1656     ffprobe
1657     ffserver
1658     ffmpeg
1659 "
1660
1661 SUBSYSTEM_LIST="
1662     dct
1663     dwt
1664     error_resilience
1665     faan
1666     fast_unaligned
1667     fft
1668     lsp
1669     lzo
1670     mdct
1671     pixelutils
1672     network
1673     rdft
1674 "
1675
1676 # COMPONENT_LIST needs to come last to ensure correct dependency checking
1677 CONFIG_LIST="
1678     $DOCUMENT_LIST
1679     $EXAMPLE_LIST
1680     $EXTERNAL_LIBRARY_LIST
1681     $HWACCEL_LIBRARY_LIST
1682     $FEATURE_LIST
1683     $LICENSE_LIST
1684     $LIBRARY_LIST
1685     $PROGRAM_LIST
1686     $SUBSYSTEM_LIST
1687     fontconfig
1688     memory_poisoning
1689     neon_clobber_test
1690     ossfuzz
1691     pic
1692     thumb
1693     valgrind_backtrace
1694     xmm_clobber_test
1695     $COMPONENT_LIST
1696 "
1697
1698 THREADS_LIST="
1699     pthreads
1700     os2threads
1701     w32threads
1702 "
1703
1704 ATOMICS_LIST="
1705     atomics_gcc
1706     atomics_suncc
1707     atomics_win32
1708 "
1709
1710 AUTODETECT_LIBS="
1711     $EXTERNAL_AUTODETECT_LIBRARY_LIST
1712     $HWACCEL_AUTODETECT_LIBRARY_LIST
1713     $THREADS_LIST
1714 "
1715
1716 ARCH_LIST="
1717     aarch64
1718     alpha
1719     arm
1720     avr32
1721     avr32_ap
1722     avr32_uc
1723     bfin
1724     ia64
1725     m68k
1726     mips
1727     mips64
1728     parisc
1729     ppc
1730     ppc64
1731     s390
1732     sh4
1733     sparc
1734     sparc64
1735     tilegx
1736     tilepro
1737     tomi
1738     x86
1739     x86_32
1740     x86_64
1741 "
1742
1743 ARCH_EXT_LIST_ARM="
1744     armv5te
1745     armv6
1746     armv6t2
1747     armv8
1748     neon
1749     vfp
1750     vfpv3
1751     setend
1752 "
1753
1754 ARCH_EXT_LIST_MIPS="
1755     mipsfpu
1756     mips32r2
1757     mips32r5
1758     mips64r2
1759     mips32r6
1760     mips64r6
1761     mipsdsp
1762     mipsdspr2
1763     msa
1764 "
1765
1766 ARCH_EXT_LIST_LOONGSON="
1767     loongson2
1768     loongson3
1769     mmi
1770 "
1771
1772 ARCH_EXT_LIST_X86_SIMD="
1773     aesni
1774     amd3dnow
1775     amd3dnowext
1776     avx
1777     avx2
1778     fma3
1779     fma4
1780     mmx
1781     mmxext
1782     sse
1783     sse2
1784     sse3
1785     sse4
1786     sse42
1787     ssse3
1788     xop
1789 "
1790
1791 ARCH_EXT_LIST_PPC="
1792     altivec
1793     dcbzl
1794     ldbrx
1795     power8
1796     ppc4xx
1797     vsx
1798 "
1799
1800 ARCH_EXT_LIST_X86="
1801     $ARCH_EXT_LIST_X86_SIMD
1802     cpunop
1803     i686
1804 "
1805
1806 ARCH_EXT_LIST="
1807     $ARCH_EXT_LIST_ARM
1808     $ARCH_EXT_LIST_PPC
1809     $ARCH_EXT_LIST_X86
1810     $ARCH_EXT_LIST_MIPS
1811     $ARCH_EXT_LIST_LOONGSON
1812 "
1813
1814 ARCH_FEATURES="
1815     aligned_stack
1816     fast_64bit
1817     fast_clz
1818     fast_cmov
1819     local_aligned_8
1820     local_aligned_16
1821     local_aligned_32
1822     simd_align_16
1823     simd_align_32
1824 "
1825
1826 BUILTIN_LIST="
1827     atomic_cas_ptr
1828     machine_rw_barrier
1829     MemoryBarrier
1830     mm_empty
1831     rdtsc
1832     sarestart
1833     sem_timedwait
1834     sync_val_compare_and_swap
1835 "
1836 HAVE_LIST_CMDLINE="
1837     inline_asm
1838     symver
1839     x86asm
1840 "
1841
1842 HAVE_LIST_PUB="
1843     bigendian
1844     fast_unaligned
1845 "
1846
1847 HEADERS_LIST="
1848     alsa_asoundlib_h
1849     altivec_h
1850     arpa_inet_h
1851     asm_types_h
1852     cdio_paranoia_h
1853     cdio_paranoia_paranoia_h
1854     cuda_h
1855     d3d11_h
1856     dispatch_dispatch_h
1857     dev_bktr_ioctl_bt848_h
1858     dev_bktr_ioctl_meteor_h
1859     dev_ic_bt8xx_h
1860     dev_video_bktr_ioctl_bt848_h
1861     dev_video_meteor_ioctl_meteor_h
1862     direct_h
1863     dirent_h
1864     dlfcn_h
1865     dxgidebug_h
1866     dxva_h
1867     ES2_gl_h
1868     gsm_h
1869     io_h
1870     mach_mach_time_h
1871     machine_ioctl_bt848_h
1872     machine_ioctl_meteor_h
1873     malloc_h
1874     opencv2_core_core_c_h
1875     openjpeg_2_2_openjpeg_h
1876     openjpeg_2_1_openjpeg_h
1877     openjpeg_2_0_openjpeg_h
1878     openjpeg_1_5_openjpeg_h
1879     OpenGL_gl3_h
1880     poll_h
1881     sndio_h
1882     soundcard_h
1883     stdatomic_h
1884     sys_mman_h
1885     sys_param_h
1886     sys_resource_h
1887     sys_select_h
1888     sys_soundcard_h
1889     sys_time_h
1890     sys_un_h
1891     sys_videoio_h
1892     termios_h
1893     udplite_h
1894     unistd_h
1895     valgrind_valgrind_h
1896     windows_h
1897     winsock2_h
1898 "
1899
1900 INTRINSICS_LIST="
1901     intrinsics_neon
1902 "
1903
1904 COMPLEX_FUNCS="
1905     cabs
1906     cexp
1907 "
1908
1909 MATH_FUNCS="
1910     atanf
1911     atan2f
1912     cbrt
1913     cbrtf
1914     copysign
1915     cosf
1916     erf
1917     exp2
1918     exp2f
1919     expf
1920     hypot
1921     isfinite
1922     isinf
1923     isnan
1924     ldexpf
1925     llrint
1926     llrintf
1927     log2
1928     log2f
1929     log10f
1930     lrint
1931     lrintf
1932     powf
1933     rint
1934     round
1935     roundf
1936     sinf
1937     trunc
1938     truncf
1939 "
1940
1941 SYSTEM_FUNCS="
1942     access
1943     aligned_malloc
1944     arc4random
1945     clock_gettime
1946     closesocket
1947     CommandLineToArgvW
1948     CoTaskMemFree
1949     CryptGenRandom
1950     dlopen
1951     fcntl
1952     flt_lim
1953     fork
1954     getaddrinfo
1955     gethrtime
1956     getopt
1957     GetProcessAffinityMask
1958     GetProcessMemoryInfo
1959     GetProcessTimes
1960     getrusage
1961     GetSystemTimeAsFileTime
1962     gettimeofday
1963     glob
1964     glXGetProcAddress
1965     gmtime_r
1966     inet_aton
1967     isatty
1968     jack_port_get_latency_range
1969     kbhit
1970     LoadLibrary
1971     localtime_r
1972     lstat
1973     lzo1x_999_compress
1974     mach_absolute_time
1975     MapViewOfFile
1976     memalign
1977     mkstemp
1978     mmap
1979     mprotect
1980     nanosleep
1981     PeekNamedPipe
1982     posix_memalign
1983     pthread_cancel
1984     sched_getaffinity
1985     SetConsoleTextAttribute
1986     SetConsoleCtrlHandler
1987     setmode
1988     setrlimit
1989     Sleep
1990     strerror_r
1991     sysconf
1992     sysctl
1993     usleep
1994     UTGetOSTypeFromString
1995     VirtualAlloc
1996     wglGetProcAddress
1997 "
1998
1999 TOOLCHAIN_FEATURES="
2000     as_dn_directive
2001     as_fpu_directive
2002     as_func
2003     as_object_arch
2004     asm_mod_q
2005     attribute_may_alias
2006     attribute_packed
2007     blocks_extension
2008     ebp_available
2009     ebx_available
2010     gnu_as
2011     gnu_windres
2012     ibm_asm
2013     inline_asm_direct_symbol_refs
2014     inline_asm_labels
2015     inline_asm_nonlocal_labels
2016     pragma_deprecated
2017     rsync_contimeout
2018     symver_asm_label
2019     symver_gnu_asm
2020     vfp_args
2021     xform_asm
2022     xmm_clobbers
2023 "
2024
2025 TYPES_LIST="
2026     CONDITION_VARIABLE_Ptr
2027     socklen_t
2028     struct_addrinfo
2029     struct_group_source_req
2030     struct_ip_mreq_source
2031     struct_ipv6_mreq
2032     struct_msghdr_msg_flags
2033     struct_pollfd
2034     struct_rusage_ru_maxrss
2035     struct_sctp_event_subscribe
2036     struct_sockaddr_in6
2037     struct_sockaddr_sa_len
2038     struct_sockaddr_storage
2039     struct_stat_st_mtim_tv_nsec
2040     struct_v4l2_frmivalenum_discrete
2041 "
2042
2043 HAVE_LIST="
2044     $ARCH_EXT_LIST
2045     $(add_suffix _external $ARCH_EXT_LIST)
2046     $(add_suffix _inline   $ARCH_EXT_LIST)
2047     $ARCH_FEATURES
2048     $ATOMICS_LIST
2049     $BUILTIN_LIST
2050     $COMPLEX_FUNCS
2051     $HAVE_LIST_CMDLINE
2052     $HAVE_LIST_PUB
2053     $HEADERS_LIST
2054     $INTRINSICS_LIST
2055     $MATH_FUNCS
2056     $SYSTEM_FUNCS
2057     $THREADS_LIST
2058     $TOOLCHAIN_FEATURES
2059     $TYPES_LIST
2060     alsa
2061     atomics_native
2062     dos_paths
2063     jack
2064     libc_msvcrt
2065     makeinfo
2066     makeinfo_html
2067     MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS
2068     perl
2069     pod2man
2070     sdl2
2071     section_data_rel_ro
2072     sndio
2073     texi2html
2074     threads
2075     uwp
2076     vaapi_drm
2077     vaapi_x11
2078     vdpau_x11
2079     winrt
2080 "
2081
2082 # options emitted with CONFIG_ prefix but not available on the command line
2083 CONFIG_EXTRA="
2084     aandcttables
2085     ac3dsp
2086     audio_frame_queue
2087     audiodsp
2088     blockdsp
2089     bswapdsp
2090     cabac
2091     dirac_parse
2092     dvprofile
2093     exif
2094     faandct
2095     faanidct
2096     fdctdsp
2097     flacdsp
2098     fmtconvert
2099     frame_thread_encoder
2100     g722dsp
2101     golomb
2102     gplv3
2103     h263dsp
2104     h264chroma
2105     h264dsp
2106     h264parse
2107     h264pred
2108     h264qpel
2109     hevcparse
2110     hpeldsp
2111     huffman
2112     huffyuvdsp
2113     huffyuvencdsp
2114     idctdsp
2115     iirfilter
2116     mdct15
2117     intrax8
2118     iso_media
2119     ividsp
2120     jpegtables
2121     lgplv3
2122     libx262
2123     llauddsp
2124     llviddsp
2125     llvidencdsp
2126     lpc
2127     lzf
2128     me_cmp
2129     mpeg_er
2130     mpegaudio
2131     mpegaudiodsp
2132     mpegaudioheader
2133     mpegvideo
2134     mpegvideoenc
2135     mss34dsp
2136     pixblockdsp
2137     qpeldsp
2138     qsv
2139     qsvdec
2140     qsvenc
2141     rangecoder
2142     riffdec
2143     riffenc
2144     rtpdec
2145     rtpenc_chain
2146     rv34dsp
2147     sinewin
2148     snappy
2149     srtp
2150     startcode
2151     texturedsp
2152     texturedspenc
2153     tpeldsp
2154     vaapi_encode
2155     vc1dsp
2156     videodsp
2157     vp3dsp
2158     vp56dsp
2159     vp8dsp
2160     vt_bt2020
2161     wma_freqs
2162     wmv2dsp
2163 "
2164
2165 CMDLINE_SELECT="
2166     $ARCH_EXT_LIST
2167     $CONFIG_LIST
2168     $HAVE_LIST_CMDLINE
2169     $THREADS_LIST
2170     asm
2171     cross_compile
2172     debug
2173     extra_warnings
2174     logging
2175     lto
2176     optimizations
2177     rpath
2178     stripping
2179 "
2180
2181 PATHS_LIST="
2182     bindir
2183     datadir
2184     docdir
2185     incdir
2186     libdir
2187     mandir
2188     pkgconfigdir
2189     prefix
2190     shlibdir
2191     install_name_dir
2192 "
2193
2194 CMDLINE_SET="
2195     $PATHS_LIST
2196     ar
2197     arch
2198     as
2199     assert_level
2200     build_suffix
2201     cc
2202     objcc
2203     cpu
2204     cross_prefix
2205     custom_allocator
2206     cxx
2207     dep_cc
2208     doxygen
2209     env
2210     extra_version
2211     gas
2212     host_cc
2213     host_cflags
2214     host_extralibs
2215     host_ld
2216     host_ldflags
2217     host_os
2218     ignore_tests
2219     install
2220     ld
2221     ln_s
2222     logfile
2223     malloc_prefix
2224     nm
2225     optflags
2226     nvccflags
2227     pkg_config
2228     pkg_config_flags
2229     progs_suffix
2230     random_seed
2231     ranlib
2232     samples
2233     strip
2234     sws_max_filter_size
2235     sysinclude
2236     sysroot
2237     target_exec
2238     target_os
2239     target_path
2240     target_samples
2241     tempprefix
2242     toolchain
2243     valgrind
2244     x86asmexe
2245 "
2246
2247 CMDLINE_APPEND="
2248     extra_cflags
2249     extra_cxxflags
2250     extra_objcflags
2251     host_cppflags
2252 "
2253
2254 # code dependency declarations
2255
2256 # architecture extensions
2257
2258 armv5te_deps="arm"
2259 armv6_deps="arm"
2260 armv6t2_deps="arm"
2261 armv8_deps="aarch64"
2262 neon_deps_any="aarch64 arm"
2263 intrinsics_neon_deps="neon"
2264 vfp_deps_any="aarch64 arm"
2265 vfpv3_deps="vfp"
2266 setend_deps="arm"
2267
2268 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
2269
2270 loongson2_deps="mips"
2271 loongson3_deps="mips"
2272 mipsfpu_deps="mips"
2273 mipsdsp_deps="mips"
2274 mipsdspr2_deps="mips"
2275 mips32r2_deps="mips"
2276 mips32r5_deps="mips"
2277 mips32r6_deps="mips"
2278 mips64r2_deps="mips"
2279 mips64r6_deps="mips"
2280 msa_deps="mipsfpu"
2281 mmi_deps="mips"
2282
2283 altivec_deps="ppc"
2284 dcbzl_deps="ppc"
2285 ldbrx_deps="ppc"
2286 ppc4xx_deps="ppc"
2287 vsx_deps="altivec"
2288 power8_deps="vsx"
2289
2290 cpunop_deps="i686"
2291 x86_64_select="i686"
2292 x86_64_suggest="fast_cmov"
2293
2294 amd3dnow_deps="mmx"
2295 amd3dnowext_deps="amd3dnow"
2296 i686_deps="x86"
2297 mmx_deps="x86"
2298 mmxext_deps="mmx"
2299 sse_deps="mmxext"
2300 sse2_deps="sse"
2301 sse3_deps="sse2"
2302 ssse3_deps="sse3"
2303 sse4_deps="ssse3"
2304 sse42_deps="sse4"
2305 aesni_deps="sse42"
2306 avx_deps="sse42"
2307 xop_deps="avx"
2308 fma3_deps="avx"
2309 fma4_deps="avx"
2310 avx2_deps="avx"
2311
2312 mmx_external_deps="x86asm"
2313 mmx_inline_deps="inline_asm"
2314 mmx_suggest="mmx_external mmx_inline"
2315
2316 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
2317     eval dep=\$${ext}_deps
2318     eval ${ext}_external_deps='"${dep}_external"'
2319     eval ${ext}_inline_deps='"${dep}_inline"'
2320     eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
2321 done
2322
2323 aligned_stack_if_any="aarch64 ppc x86"
2324 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
2325 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
2326 fast_unaligned_if_any="aarch64 ppc x86"
2327 simd_align_16_if_any="altivec neon sse"
2328 simd_align_32_if_any="avx"
2329
2330 # system capabilities
2331 symver_if_any="symver_asm_label symver_gnu_asm"
2332 valgrind_backtrace_deps="!optimizations valgrind_valgrind_h"
2333
2334 # threading support
2335 atomics_gcc_if="sync_val_compare_and_swap"
2336 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
2337 atomics_win32_if="MemoryBarrier"
2338 atomics_native_if_any="$ATOMICS_LIST"
2339 w32threads_deps="atomics_native"
2340 threads_if_any="$THREADS_LIST"
2341
2342 # subsystems
2343 dct_select="rdft"
2344 dirac_parse_select="golomb"
2345 error_resilience_select="me_cmp"
2346 faandct_deps="faan fdctdsp"
2347 faanidct_deps="faan idctdsp"
2348 h264dsp_select="startcode"
2349 hevcparse_select="golomb"
2350 frame_thread_encoder_deps="encoders threads"
2351 intrax8_select="blockdsp idctdsp"
2352 mdct_select="fft"
2353 mdct15_select="fft"
2354 me_cmp_select="fdctdsp idctdsp pixblockdsp"
2355 mpeg_er_select="error_resilience"
2356 mpegaudio_select="mpegaudiodsp mpegaudioheader"
2357 mpegaudiodsp_select="dct"
2358 mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp mpeg_er videodsp"
2359 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
2360 vc1dsp_select="h264chroma qpeldsp startcode"
2361 rdft_select="fft"
2362
2363 # decoders / encoders
2364 aac_decoder_select="mdct15 mdct sinewin"
2365 aac_fixed_decoder_select="mdct sinewin"
2366 aac_encoder_select="audio_frame_queue iirfilter lpc mdct sinewin"
2367 aac_latm_decoder_select="aac_decoder aac_latm_parser"
2368 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
2369 ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"
2370 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
2371 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
2372 adpcm_g722_decoder_select="g722dsp"
2373 adpcm_g722_encoder_select="g722dsp"
2374 aic_decoder_select="golomb idctdsp"
2375 alac_encoder_select="lpc"
2376 als_decoder_select="bswapdsp"
2377 amrnb_decoder_select="lsp"
2378 amrwb_decoder_select="lsp"
2379 amv_decoder_select="sp5x_decoder exif"
2380 amv_encoder_select="aandcttables jpegtables mpegvideoenc"
2381 ape_decoder_select="bswapdsp llauddsp"
2382 apng_decoder_select="zlib"
2383 apng_encoder_select="llvidencdsp zlib"
2384 asv1_decoder_select="blockdsp bswapdsp idctdsp"
2385 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
2386 asv2_decoder_select="blockdsp bswapdsp idctdsp"
2387 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
2388 atrac1_decoder_select="mdct sinewin"
2389 atrac3_decoder_select="mdct"
2390 atrac3p_decoder_select="mdct sinewin"
2391 avrn_decoder_select="exif jpegtables"
2392 bink_decoder_select="blockdsp hpeldsp"
2393 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
2394 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
2395 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
2396 clearvideo_decoder_select="idctdsp"
2397 cllc_decoder_select="bswapdsp"
2398 comfortnoise_encoder_select="lpc"
2399 cook_decoder_select="audiodsp mdct sinewin"
2400 cscd_decoder_select="lzo"
2401 cscd_decoder_suggest="zlib"
2402 dca_decoder_select="mdct"
2403 dds_decoder_select="texturedsp"
2404 dirac_decoder_select="dirac_parse dwt golomb videodsp mpegvideoenc"
2405 dnxhd_decoder_select="blockdsp idctdsp"
2406 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
2407 dolby_e_decoder_select="mdct"
2408 dvvideo_decoder_select="dvprofile idctdsp"
2409 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
2410 dxa_decoder_select="zlib"
2411 dxv_decoder_select="lzf texturedsp"
2412 eac3_decoder_select="ac3_decoder"
2413 eac3_encoder_select="ac3_encoder"
2414 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
2415 eatgq_decoder_select="aandcttables"
2416 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp"
2417 exr_decoder_select="zlib"
2418 ffv1_decoder_select="rangecoder"
2419 ffv1_encoder_select="rangecoder"
2420 ffvhuff_decoder_select="huffyuv_decoder"
2421 ffvhuff_encoder_select="huffyuv_encoder"
2422 fic_decoder_select="golomb"
2423 flac_decoder_select="flacdsp"
2424 flac_encoder_select="bswapdsp flacdsp lpc"
2425 flashsv2_decoder_select="zlib"
2426 flashsv2_encoder_select="zlib"
2427 flashsv_decoder_select="zlib"
2428 flashsv_encoder_select="zlib"
2429 flv_decoder_select="h263_decoder"
2430 flv_encoder_select="h263_encoder"
2431 fourxm_decoder_select="blockdsp bswapdsp"
2432 fraps_decoder_select="bswapdsp huffman"
2433 g2m_decoder_select="blockdsp idctdsp jpegtables zlib"
2434 g729_decoder_select="audiodsp"
2435 h261_decoder_select="mpegvideo"
2436 h261_encoder_select="aandcttables mpegvideoenc"
2437 h263_decoder_select="h263_parser h263dsp mpegvideo qpeldsp"
2438 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
2439 h263i_decoder_select="h263_decoder"
2440 h263p_decoder_select="h263_decoder"
2441 h263p_encoder_select="h263_encoder"
2442 h264_decoder_select="cabac golomb h264chroma h264dsp h264parse h264pred h264qpel videodsp"
2443 h264_decoder_suggest="error_resilience"
2444 hap_decoder_select="snappy texturedsp"
2445 hap_encoder_deps="libsnappy"
2446 hap_encoder_select="texturedspenc"
2447 hevc_decoder_select="bswapdsp cabac golomb hevcparse videodsp"
2448 huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"
2449 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llvidencdsp"
2450 iac_decoder_select="imc_decoder"
2451 imc_decoder_select="bswapdsp fft mdct sinewin"
2452 indeo3_decoder_select="hpeldsp"
2453 indeo4_decoder_select="ividsp"
2454 indeo5_decoder_select="ividsp"
2455 interplay_video_decoder_select="hpeldsp"
2456 jpegls_decoder_select="mjpeg_decoder"
2457 jv_decoder_select="blockdsp"
2458 lagarith_decoder_select="llviddsp"
2459 ljpeg_encoder_select="aandcttables idctdsp jpegtables mpegvideoenc"
2460 magicyuv_decoder_select="llviddsp"
2461 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2462 metasound_decoder_select="lsp mdct sinewin"
2463 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2464 mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"
2465 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
2466 mjpegb_decoder_select="mjpeg_decoder"
2467 mlp_decoder_select="mlp_parser"
2468 mlp_encoder_select="lpc"
2469 motionpixels_decoder_select="bswapdsp"
2470 mp1_decoder_select="mpegaudio"
2471 mp1float_decoder_select="mpegaudio"
2472 mp2_decoder_select="mpegaudio"
2473 mp2float_decoder_select="mpegaudio"
2474 mp3_decoder_select="mpegaudio"
2475 mp3adu_decoder_select="mpegaudio"
2476 mp3adufloat_decoder_select="mpegaudio"
2477 mp3float_decoder_select="mpegaudio"
2478 mp3on4_decoder_select="mpegaudio"
2479 mp3on4float_decoder_select="mpegaudio"
2480 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2481 mpc8_decoder_select="mpegaudiodsp"
2482 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
2483 mpeg_xvmc_decoder_select="mpeg2video_decoder"
2484 mpegvideo_decoder_select="mpegvideo"
2485 mpeg1video_decoder_select="mpegvideo"
2486 mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"
2487 mpeg2video_decoder_select="mpegvideo"
2488 mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"
2489 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2490 mpeg4_encoder_select="h263_encoder"
2491 msa1_decoder_select="mss34dsp"
2492 mscc_decoder_select="zlib"
2493 msmpeg4v1_decoder_select="h263_decoder"
2494 msmpeg4v2_decoder_select="h263_decoder"
2495 msmpeg4v2_encoder_select="h263_encoder"
2496 msmpeg4v3_decoder_select="h263_decoder"
2497 msmpeg4v3_encoder_select="h263_encoder"
2498 mss2_decoder_select="mpegvideo qpeldsp vc1_decoder"
2499 mts2_decoder_select="mss34dsp"
2500 mxpeg_decoder_select="mjpeg_decoder"
2501 nellymoser_decoder_select="mdct sinewin"
2502 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2503 nuv_decoder_select="idctdsp lzo"
2504 on2avc_decoder_select="mdct"
2505 opus_decoder_deps="swresample"
2506 opus_decoder_select="mdct15"
2507 opus_encoder_select="audio_frame_queue mdct15"
2508 png_decoder_select="zlib"
2509 png_encoder_select="llvidencdsp zlib"
2510 prores_decoder_select="blockdsp idctdsp"
2511 prores_encoder_select="fdctdsp"
2512 qcelp_decoder_select="lsp"
2513 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2514 ra_144_decoder_select="audiodsp"
2515 ra_144_encoder_select="audio_frame_queue lpc audiodsp"
2516 ralf_decoder_select="golomb"
2517 rawvideo_decoder_select="bswapdsp"
2518 rscc_decoder_select="zlib"
2519 rtjpeg_decoder_select="me_cmp"
2520 rv10_decoder_select="h263_decoder"
2521 rv10_encoder_select="h263_encoder"
2522 rv20_decoder_select="h263_decoder"
2523 rv20_encoder_select="h263_encoder"
2524 rv30_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2525 rv40_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2526 screenpresso_decoder_select="zlib"
2527 shorten_decoder_select="bswapdsp"
2528 sipr_decoder_select="lsp"
2529 snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"
2530 snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"
2531 sonic_decoder_select="golomb rangecoder"
2532 sonic_encoder_select="golomb rangecoder"
2533 sonic_ls_encoder_select="golomb rangecoder"
2534 sp5x_decoder_select="mjpeg_decoder"
2535 srgc_decoder_select="zlib"
2536 svq1_decoder_select="hpeldsp"
2537 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2538 svq3_decoder_select="golomb h264dsp h264parse h264pred hpeldsp tpeldsp videodsp"
2539 svq3_decoder_suggest="zlib"
2540 tak_decoder_select="audiodsp"
2541 tdsc_decoder_select="zlib mjpeg_decoder"
2542 theora_decoder_select="vp3_decoder"
2543 thp_decoder_select="mjpeg_decoder"
2544 tiff_decoder_suggest="zlib lzma"
2545 tiff_encoder_suggest="zlib"
2546 truehd_decoder_select="mlp_parser"
2547 truehd_encoder_select="lpc"
2548 truemotion2_decoder_select="bswapdsp"
2549 truespeech_decoder_select="bswapdsp"
2550 tscc_decoder_select="zlib"
2551 twinvq_decoder_select="mdct lsp sinewin"
2552 txd_decoder_select="texturedsp"
2553 utvideo_decoder_select="bswapdsp llviddsp"
2554 utvideo_encoder_select="bswapdsp huffman llvidencdsp"
2555 vble_decoder_select="llviddsp"
2556 vc1_decoder_select="blockdsp h263_decoder h264qpel intrax8 mpegvideo vc1dsp"
2557 vc1_qsv_decoder_deps="libmfx"
2558 vc1_qsv_decoder_select="qsvdec vc1_qsv_hwaccel vc1_parser"
2559 vc1image_decoder_select="vc1_decoder"
2560 vorbis_decoder_select="mdct"
2561 vorbis_encoder_select="mdct"
2562 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2563 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"
2564 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"
2565 vp6a_decoder_select="vp6_decoder"
2566 vp6f_decoder_select="vp6_decoder"
2567 vp7_decoder_select="h264pred videodsp vp8dsp"
2568 vp8_decoder_select="h264pred videodsp vp8dsp"
2569 vp9_decoder_select="videodsp vp9_parser"
2570 webp_decoder_select="vp8_decoder exif"
2571 wmalossless_decoder_select="llauddsp"
2572 wmapro_decoder_select="mdct sinewin wma_freqs"
2573 wmav1_decoder_select="mdct sinewin wma_freqs"
2574 wmav1_encoder_select="mdct sinewin wma_freqs"
2575 wmav2_decoder_select="mdct sinewin wma_freqs"
2576 wmav2_encoder_select="mdct sinewin wma_freqs"
2577 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2578 wmv1_decoder_select="h263_decoder"
2579 wmv1_encoder_select="h263_encoder"
2580 wmv2_decoder_select="blockdsp error_resilience h263_decoder idctdsp intrax8 videodsp wmv2dsp"
2581 wmv2_encoder_select="h263_encoder wmv2dsp"
2582 wmv3_decoder_select="vc1_decoder"
2583 wmv3image_decoder_select="wmv3_decoder"
2584 xma1_decoder_select="wmapro_decoder"
2585 xma2_decoder_select="wmapro_decoder"
2586 zerocodec_decoder_select="zlib"
2587 zlib_decoder_select="zlib"
2588 zlib_encoder_select="zlib"
2589 zmbv_decoder_select="zlib"
2590 zmbv_encoder_select="zlib"
2591
2592 # platform codecs
2593 audiotoolbox_deps="AudioToolbox_AudioToolbox_h"
2594 audiotoolbox_extralibs="-framework CoreFoundation -framework AudioToolbox -framework CoreMedia"
2595
2596 # hardware accelerators
2597 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
2598 cuda_deps_any="dlopen LoadLibrary"
2599 cuvid_deps="cuda"
2600 d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder ID3D11VideoContext"
2601 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode ole32"
2602 dxva2_extralibs="-luser32"
2603 vda_framework_deps="VideoDecodeAcceleration_VDADecoder_h blocks_extension"
2604 vda_framework_extralibs="-framework VideoDecodeAcceleration"
2605 vda_deps="vda_framework pthreads"
2606 vda_extralibs="-framework CoreFoundation -framework QuartzCore"
2607 videotoolbox_hwaccel_deps="videotoolbox pthreads"
2608 videotoolbox_hwaccel_extralibs="-framework QuartzCore"
2609 xvmc_deps="X11_extensions_XvMClib_h"
2610
2611 h263_vaapi_hwaccel_deps="vaapi"
2612 h263_vaapi_hwaccel_select="h263_decoder"
2613 h263_videotoolbox_hwaccel_deps="videotoolbox"
2614 h263_videotoolbox_hwaccel_select="h263_decoder"
2615 h264_cuvid_hwaccel_deps="cuda cuvid"
2616 h264_cuvid_hwaccel_select="h264_cuvid_decoder"
2617 h264_d3d11va_hwaccel_deps="d3d11va"
2618 h264_d3d11va_hwaccel_select="h264_decoder"
2619 h264_d3d11va2_hwaccel_deps="d3d11va"
2620 h264_d3d11va2_hwaccel_select="h264_decoder"
2621 h264_dxva2_hwaccel_deps="dxva2"
2622 h264_dxva2_hwaccel_select="h264_decoder"
2623 h264_mediacodec_hwaccel_deps="mediacodec"
2624 h264_mmal_hwaccel_deps="mmal"
2625 h264_qsv_hwaccel_deps="libmfx"
2626 h264_vaapi_hwaccel_deps="vaapi"
2627 h264_vaapi_hwaccel_select="h264_decoder"
2628 h264_vda_hwaccel_deps="vda"
2629 h264_vda_hwaccel_select="h264_decoder"
2630 h264_vda_old_hwaccel_deps="vda"
2631 h264_vda_old_hwaccel_select="h264_decoder"
2632 h264_vdpau_hwaccel_deps="vdpau"
2633 h264_vdpau_hwaccel_select="h264_decoder"
2634 h264_videotoolbox_hwaccel_deps="videotoolbox"
2635 h264_videotoolbox_hwaccel_select="h264_decoder"
2636 hevc_cuvid_hwaccel_deps="cuda cuvid"
2637 hevc_cuvid_hwaccel_select="hevc_cuvid_decoder"
2638 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2639 hevc_d3d11va_hwaccel_select="hevc_decoder"
2640 hevc_mediacodec_hwaccel_deps="mediacodec"
2641 hevc_d3d11va2_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2642 hevc_d3d11va2_hwaccel_select="hevc_decoder"
2643 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2644 hevc_dxva2_hwaccel_select="hevc_decoder"
2645 hevc_qsv_hwaccel_deps="libmfx"
2646 hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC"
2647 hevc_vaapi_hwaccel_select="hevc_decoder"
2648 hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"
2649 hevc_vdpau_hwaccel_select="hevc_decoder"
2650 mjpeg_cuvid_hwaccel_deps="cuda cuvid"
2651 mjpeg_cuvid_hwaccel_select="mjpeg_cuvid_decoder"
2652 mpeg_xvmc_hwaccel_deps="xvmc"
2653 mpeg_xvmc_hwaccel_select="mpeg2video_decoder"
2654 mpeg1_cuvid_hwaccel_deps="cuda cuvid"
2655 mpeg1_cuvid_hwaccel_select="mpeg1_cuvid_decoder"
2656 mpeg1_vdpau_hwaccel_deps="vdpau"
2657 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2658 mpeg1_videotoolbox_hwaccel_deps="videotoolbox"
2659 mpeg1_videotoolbox_hwaccel_select="mpeg1video_decoder"
2660 mpeg1_xvmc_hwaccel_deps="xvmc"
2661 mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"
2662 mpeg2_cuvid_hwaccel_deps="cuda cuvid"
2663 mpeg2_cuvid_hwaccel_select="mpeg2_cuvid_decoder"
2664 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2665 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2666 mpeg2_d3d11va2_hwaccel_deps="d3d11va"
2667 mpeg2_d3d11va2_hwaccel_select="mpeg2video_decoder"
2668 mpeg2_dxva2_hwaccel_deps="dxva2"
2669 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2670 mpeg2_mediacodec_hwaccel_deps="mediacodec"
2671 mpeg2_mmal_hwaccel_deps="mmal"
2672 mpeg2_qsv_hwaccel_deps="libmfx"
2673 mpeg2_qsv_hwaccel_select="qsvdec_mpeg2"
2674 mpeg2_vaapi_hwaccel_deps="vaapi"
2675 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2676 mpeg2_vdpau_hwaccel_deps="vdpau"
2677 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2678 mpeg2_videotoolbox_hwaccel_deps="videotoolbox"
2679 mpeg2_videotoolbox_hwaccel_select="mpeg2video_decoder"
2680 mpeg2_xvmc_hwaccel_deps="xvmc"
2681 mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"
2682 mpeg4_cuvid_hwaccel_deps="cuda cuvid"
2683 mpeg4_cuvid_hwaccel_select="mpeg4_cuvid_decoder"
2684 mpeg4_mediacodec_hwaccel_deps="mediacodec"
2685 mpeg4_mmal_hwaccel_deps="mmal"
2686 mpeg4_vaapi_hwaccel_deps="vaapi"
2687 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2688 mpeg4_vdpau_hwaccel_deps="vdpau"
2689 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2690 mpeg4_videotoolbox_hwaccel_deps="videotoolbox"
2691 mpeg4_videotoolbox_hwaccel_select="mpeg4_decoder"
2692 vc1_cuvid_hwaccel_deps="cuda cuvid"
2693 vc1_cuvid_hwaccel_select="vc1_cuvid_decoder"
2694 vc1_d3d11va_hwaccel_deps="d3d11va"
2695 vc1_d3d11va_hwaccel_select="vc1_decoder"
2696 vc1_d3d11va2_hwaccel_deps="d3d11va"
2697 vc1_d3d11va2_hwaccel_select="vc1_decoder"
2698 vc1_dxva2_hwaccel_deps="dxva2"
2699 vc1_dxva2_hwaccel_select="vc1_decoder"
2700 vc1_mmal_hwaccel_deps="mmal"
2701 vc1_qsv_hwaccel_deps="libmfx"
2702 vc1_qsv_hwaccel_select="qsvdec_vc1"
2703 vc1_vaapi_hwaccel_deps="vaapi"
2704 vc1_vaapi_hwaccel_select="vc1_decoder"
2705 vc1_vdpau_hwaccel_deps="vdpau"
2706 vc1_vdpau_hwaccel_select="vc1_decoder"
2707 vp8_cuvid_hwaccel_deps="cuda cuvid"
2708 vp8_cuvid_hwaccel_select="vp8_cuvid_decoder"
2709 vp9_cuvid_hwaccel_deps="cuda cuvid"
2710 vp9_cuvid_hwaccel_select="vp9_cuvid_decoder"
2711 vp8_mediacodec_hwaccel_deps="mediacodec"
2712 vp8_qsv_hwaccel_deps="libmfx"
2713 vp9_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_VP9"
2714 vp9_d3d11va_hwaccel_select="vp9_decoder"
2715 vp9_d3d11va2_hwaccel_deps="d3d11va DXVA_PicParams_VP9"
2716 vp9_d3d11va2_hwaccel_select="vp9_decoder"
2717 vp9_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_VP9"
2718 vp9_dxva2_hwaccel_select="vp9_decoder"
2719 vp9_mediacodec_hwaccel_deps="mediacodec"
2720 vp9_vaapi_hwaccel_deps="vaapi VADecPictureParameterBufferVP9_bit_depth"
2721 vp9_vaapi_hwaccel_select="vp9_decoder"
2722 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2723 wmv3_d3d11va2_hwaccel_select="vc1_d3d11va2_hwaccel"
2724 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2725 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2726 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2727
2728 # hardware-accelerated codecs
2729 omx_deps="dlopen pthreads"
2730 omx_extralibs='$ldl'
2731 omx_rpi_select="omx"
2732 qsvdec_select="qsv"
2733 qsvenc_select="qsv"
2734 vaapi_encode_deps="vaapi"
2735
2736 hwupload_cuda_filter_deps="cuda"
2737 scale_npp_filter_deps="cuda libnpp"
2738 scale_cuda_filter_deps="cuda_sdk"
2739
2740 nvenc_deps="cuda"
2741 nvenc_deps_any="dlopen LoadLibrary"
2742 nvenc_encoder_deps="nvenc"
2743
2744 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
2745 h264_cuvid_decoder_deps="cuda cuvid"
2746 h264_cuvid_decoder_select="h264_mp4toannexb_bsf"
2747 h264_mediacodec_decoder_deps="mediacodec"
2748 h264_mediacodec_decoder_select="h264_mp4toannexb_bsf h264_parser"
2749 h264_mmal_decoder_deps="mmal"
2750 h264_nvenc_encoder_deps="nvenc"
2751 h264_omx_encoder_deps="omx"
2752 h264_qsv_decoder_deps="libmfx"
2753 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
2754 h264_qsv_encoder_deps="libmfx"
2755 h264_qsv_encoder_select="qsvenc"
2756 h264_vaapi_encoder_deps="VAEncPictureParameterBufferH264"
2757 h264_vaapi_encoder_select="vaapi_encode golomb"
2758 h264_vda_decoder_deps="vda"
2759 h264_vda_decoder_select="h264_decoder"
2760 h264_vdpau_decoder_deps="vdpau"
2761 h264_vdpau_decoder_select="h264_decoder"
2762 hevc_cuvid_decoder_deps="cuda cuvid"
2763 hevc_cuvid_decoder_select="hevc_mp4toannexb_bsf"
2764 hevc_mediacodec_decoder_deps="mediacodec"
2765 hevc_mediacodec_decoder_select="hevc_mp4toannexb_bsf hevc_parser"
2766 hevc_nvenc_encoder_deps="nvenc"
2767 hevc_qsv_decoder_deps="libmfx"
2768 hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec hevc_qsv_hwaccel"
2769 hevc_qsv_encoder_deps="libmfx"
2770 hevc_qsv_encoder_select="hevcparse qsvenc"
2771 hevc_vaapi_encoder_deps="VAEncPictureParameterBufferHEVC"
2772 hevc_vaapi_encoder_select="vaapi_encode golomb"
2773 mjpeg_cuvid_decoder_deps="cuda cuvid"
2774 mjpeg_vaapi_encoder_deps="VAEncPictureParameterBufferJPEG"
2775 mjpeg_vaapi_encoder_select="vaapi_encode jpegtables"
2776 mpeg1_cuvid_decoder_deps="cuda cuvid"
2777 mpeg1_vdpau_decoder_deps="vdpau"
2778 mpeg1_vdpau_decoder_select="mpeg1video_decoder"
2779 mpeg2_crystalhd_decoder_select="crystalhd"
2780 mpeg2_cuvid_decoder_deps="cuda cuvid"
2781 mpeg2_mmal_decoder_deps="mmal"
2782 mpeg2_mediacodec_decoder_deps="mediacodec"
2783 mpeg2_qsv_decoder_deps="libmfx"
2784 mpeg2_qsv_decoder_select="qsvdec mpeg2_qsv_hwaccel"
2785 mpeg2_qsv_encoder_deps="libmfx"
2786 mpeg2_qsv_encoder_select="qsvenc"
2787 mpeg2_vaapi_encoder_deps="VAEncPictureParameterBufferMPEG2"
2788 mpeg2_vaapi_encoder_select="vaapi_encode"
2789 mpeg4_crystalhd_decoder_select="crystalhd"
2790 mpeg4_cuvid_decoder_deps="cuda cuvid"
2791 mpeg4_mediacodec_decoder_deps="mediacodec"
2792 mpeg4_mmal_decoder_deps="mmal"
2793 mpeg4_omx_encoder_deps="omx"
2794 mpeg4_vdpau_decoder_deps="vdpau"
2795 mpeg4_vdpau_decoder_select="mpeg4_decoder"
2796 mpeg_vdpau_decoder_deps="vdpau"
2797 mpeg_vdpau_decoder_select="mpeg2video_decoder"
2798 msmpeg4_crystalhd_decoder_select="crystalhd"
2799 nvenc_h264_encoder_select="h264_nvenc_encoder"
2800 nvenc_hevc_encoder_select="hevc_nvenc_encoder"
2801 vc1_crystalhd_decoder_select="crystalhd"
2802 vc1_cuvid_decoder_deps="cuda cuvid"
2803 vc1_mmal_decoder_deps="mmal"
2804 vc1_vdpau_decoder_deps="vdpau"
2805 vc1_vdpau_decoder_select="vc1_decoder"
2806 vp8_cuvid_decoder_deps="cuda cuvid"
2807 vp8_mediacodec_decoder_deps="mediacodec"
2808 vp8_qsv_decoder_deps="libmfx"
2809 vp8_qsv_decoder_select="qsvdec vp8_qsv_hwaccel vp8_parser"
2810 vp8_vaapi_encoder_deps="VAEncPictureParameterBufferVP8"
2811 vp8_vaapi_encoder_select="vaapi_encode"
2812 vp9_cuvid_decoder_deps="cuda cuvid"
2813 vp9_mediacodec_decoder_deps="mediacodec"
2814 vp9_vaapi_encoder_deps="VAEncPictureParameterBufferVP9"
2815 vp9_vaapi_encoder_select="vaapi_encode"
2816 wmv3_crystalhd_decoder_select="crystalhd"
2817 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2818
2819 # parsers
2820 h264_parser_select="golomb h264dsp h264parse"
2821 hevc_parser_select="hevcparse"
2822 mpegaudio_parser_select="mpegaudioheader"
2823 mpegvideo_parser_select="mpegvideo"
2824 mpeg4video_parser_select="h263dsp mpegvideo qpeldsp"
2825 vc1_parser_select="vc1dsp"
2826
2827 # bitstream_filters
2828 mjpeg2jpeg_bsf_select="jpegtables"
2829
2830 # external libraries
2831 aac_at_decoder_deps="audiotoolbox"
2832 ac3_at_decoder_deps="audiotoolbox"
2833 ac3_at_decoder_select="ac3_parser"
2834 adpcm_ima_qt_at_decoder_deps="audiotoolbox"
2835 alac_at_decoder_deps="audiotoolbox"
2836 amr_nb_at_decoder_deps="audiotoolbox"
2837 avisynth_deps_any="dlopen LoadLibrary"
2838 avisynth_demuxer_deps="avisynth"
2839 avisynth_demuxer_select="riffdec"
2840 eac3_at_decoder_deps="audiotoolbox"
2841 eac3_at_decoder_select="ac3_parser"
2842 gsm_ms_at_decoder_deps="audiotoolbox"
2843 ilbc_at_decoder_deps="audiotoolbox"
2844 mp1_at_decoder_deps="audiotoolbox"
2845 mp2_at_decoder_deps="audiotoolbox"
2846 mp3_at_decoder_deps="audiotoolbox"
2847 mp1_at_decoder_select="mpegaudioheader"
2848 mp2_at_decoder_select="mpegaudioheader"
2849 mp3_at_decoder_select="mpegaudioheader"
2850 pcm_alaw_at_decoder_deps="audiotoolbox"
2851 pcm_mulaw_at_decoder_deps="audiotoolbox"
2852 qdmc_at_decoder_deps="audiotoolbox"
2853 qdm2_at_decoder_deps="audiotoolbox"
2854 aac_at_encoder_deps="audiotoolbox"
2855 aac_at_encoder_select="audio_frame_queue"
2856 alac_at_encoder_deps="audiotoolbox"
2857 alac_at_encoder_select="audio_frame_queue"
2858 ilbc_at_encoder_deps="audiotoolbox"
2859 ilbc_at_encoder_select="audio_frame_queue"
2860 pcm_alaw_at_encoder_deps="audiotoolbox"
2861 pcm_alaw_at_encoder_select="audio_frame_queue"
2862 pcm_mulaw_at_encoder_deps="audiotoolbox"
2863 pcm_mulaw_at_encoder_select="audio_frame_queue"
2864 chromaprint_muxer_deps="chromaprint"
2865 h264_videotoolbox_encoder_deps="videotoolbox_encoder pthreads"
2866 libcelt_decoder_deps="libcelt"
2867 libfdk_aac_decoder_deps="libfdk_aac"
2868 libfdk_aac_encoder_deps="libfdk_aac"
2869 libfdk_aac_encoder_select="audio_frame_queue"
2870 libgme_demuxer_deps="libgme"
2871 libgsm_decoder_deps="libgsm"
2872 libgsm_encoder_deps="libgsm"
2873 libgsm_ms_decoder_deps="libgsm"
2874 libgsm_ms_encoder_deps="libgsm"
2875 libilbc_decoder_deps="libilbc"
2876 libilbc_encoder_deps="libilbc"
2877 libkvazaar_encoder_deps="libkvazaar"
2878 libmodplug_demuxer_deps="libmodplug"
2879 libmp3lame_encoder_deps="libmp3lame"
2880 libmp3lame_encoder_select="audio_frame_queue mpegaudioheader"
2881 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2882 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2883 libopencore_amrnb_encoder_select="audio_frame_queue"
2884 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2885 libopenh264_decoder_deps="libopenh264"
2886 libopenh264_decoder_select="h264_mp4toannexb_bsf"
2887 libopenh264_encoder_deps="libopenh264"
2888 libopenjpeg_decoder_deps="libopenjpeg"
2889 libopenjpeg_encoder_deps="libopenjpeg"
2890 libopenmpt_demuxer_deps="libopenmpt"
2891 libopus_decoder_deps="libopus"
2892 libopus_encoder_deps="libopus"
2893 libopus_encoder_select="audio_frame_queue"
2894 librsvg_decoder_deps="librsvg"
2895 libshine_encoder_deps="libshine"
2896 libshine_encoder_select="audio_frame_queue"
2897 libspeex_decoder_deps="libspeex"
2898 libspeex_encoder_deps="libspeex"
2899 libspeex_encoder_select="audio_frame_queue"
2900 libtheora_encoder_deps="libtheora"
2901 libtwolame_encoder_deps="libtwolame"
2902 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2903 libvorbis_decoder_deps="libvorbis"
2904 libvorbis_encoder_deps="libvorbis"
2905 libvorbis_encoder_select="audio_frame_queue"
2906 libvpx_vp8_decoder_deps="libvpx"
2907 libvpx_vp8_encoder_deps="libvpx"
2908 libvpx_vp9_decoder_deps="libvpx"
2909 libvpx_vp9_encoder_deps="libvpx"
2910 libwavpack_encoder_deps="libwavpack"
2911 libwavpack_encoder_select="audio_frame_queue"
2912 libwebp_encoder_deps="libwebp"
2913 libwebp_anim_encoder_deps="libwebp"
2914 libx262_encoder_deps="libx262"
2915 libx264_encoder_deps="libx264"
2916 libx264rgb_encoder_deps="libx264 x264_csp_bgr"
2917 libx264rgb_encoder_select="libx264_encoder"
2918 libx265_encoder_deps="libx265"
2919 libxavs_encoder_deps="libxavs"
2920 libxvid_encoder_deps="libxvid"
2921 libzvbi_teletext_decoder_deps="libzvbi"
2922 videotoolbox_deps="VideoToolbox_VideoToolbox_h"
2923 videotoolbox_extralibs="-framework CoreFoundation -framework VideoToolbox -framework CoreMedia -framework CoreVideo"
2924 videotoolbox_encoder_deps="videotoolbox VTCompressionSessionPrepareToEncodeFrames"
2925 videotoolbox_encoder_suggest="vda_framework vt_bt2020"
2926 vt_bt2020_deps="kCVImageBufferColorPrimaries_ITU_R_2020"
2927
2928 # demuxers / muxers
2929 ac3_demuxer_select="ac3_parser"
2930 aiff_muxer_select="iso_media"
2931 asf_demuxer_select="riffdec"
2932 asf_o_demuxer_select="riffdec"
2933 asf_muxer_select="riffenc"
2934 asf_stream_muxer_select="asf_muxer"
2935 avi_demuxer_select="iso_media riffdec exif"
2936 avi_muxer_select="riffenc"
2937 caf_demuxer_select="iso_media riffdec"
2938 caf_muxer_select="iso_media"
2939 dash_muxer_select="mp4_muxer"
2940 dirac_demuxer_select="dirac_parser"
2941 dts_demuxer_select="dca_parser"
2942 dtshd_demuxer_select="dca_parser"
2943 dv_demuxer_select="dvprofile"
2944 dv_muxer_select="dvprofile"
2945 dxa_demuxer_select="riffdec"
2946 eac3_demuxer_select="ac3_parser"
2947 f4v_muxer_select="mov_muxer"
2948 fifo_muxer_deps="threads"
2949 flac_demuxer_select="flac_parser"
2950 hds_muxer_select="flv_muxer"
2951 hls_muxer_select="mpegts_muxer"
2952 image2_alias_pix_demuxer_select="image2_demuxer"
2953 image2_brender_pix_demuxer_select="image2_demuxer"
2954 ipod_muxer_select="mov_muxer"
2955 ismv_muxer_select="mov_muxer"
2956 matroska_audio_muxer_select="matroska_muxer"
2957 matroska_demuxer_select="iso_media riffdec"
2958 matroska_demuxer_suggest="bzlib lzo zlib"
2959 matroska_muxer_select="iso_media riffenc"
2960 mmf_muxer_select="riffenc"
2961 mov_demuxer_select="iso_media riffdec"
2962 mov_demuxer_suggest="zlib"
2963 mov_muxer_select="iso_media riffenc rtpenc_chain"
2964 mp3_demuxer_select="mpegaudio_parser"
2965 mp3_muxer_select="mpegaudioheader"
2966 mp4_muxer_select="mov_muxer"
2967 mpegts_demuxer_select="iso_media"
2968 mpegts_muxer_select="adts_muxer latm_muxer"
2969 mpegtsraw_demuxer_select="mpegts_demuxer"
2970 mxf_d10_muxer_select="mxf_muxer"
2971 mxf_opatom_muxer_select="mxf_muxer"
2972 nut_muxer_select="riffenc"
2973 nuv_demuxer_select="riffdec"
2974 oga_muxer_select="ogg_muxer"
2975 ogg_demuxer_select="dirac_parse"
2976 ogv_muxer_select="ogg_muxer"
2977 opus_muxer_select="ogg_muxer"
2978 psp_muxer_select="mov_muxer"
2979 rtp_demuxer_select="sdp_demuxer"
2980 rtp_muxer_select="golomb"
2981 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol srtp"
2982 rtsp_demuxer_select="http_protocol rtpdec"
2983 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2984 sap_demuxer_select="sdp_demuxer"
2985 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2986 sdp_demuxer_select="rtpdec"
2987 smoothstreaming_muxer_select="ismv_muxer"
2988 spdif_muxer_select="aac_parser"
2989 spx_muxer_select="ogg_muxer"
2990 swf_demuxer_suggest="zlib"
2991 tak_demuxer_select="tak_parser"
2992 tg2_muxer_select="mov_muxer"
2993 tgp_muxer_select="mov_muxer"
2994 vobsub_demuxer_select="mpegps_demuxer"
2995 w64_demuxer_select="wav_demuxer"
2996 w64_muxer_select="wav_muxer"
2997 wav_demuxer_select="riffdec"
2998 wav_muxer_select="riffenc"
2999 webm_muxer_select="iso_media riffenc"
3000 webm_dash_manifest_demuxer_select="matroska_demuxer"
3001 wtv_demuxer_select="mpegts_demuxer riffdec"
3002 wtv_muxer_select="mpegts_muxer riffenc"
3003 xmv_demuxer_select="riffdec"
3004 xwma_demuxer_select="riffdec"
3005
3006 # indevs / outdevs
3007 alsa_indev_deps="alsa"
3008 alsa_outdev_deps="alsa"
3009 avfoundation_indev_deps="pthreads"
3010 avfoundation_indev_extralibs="-framework Foundation -framework AVFoundation -framework CoreVideo -framework CoreMedia"
3011 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
3012 caca_outdev_deps="libcaca"
3013 decklink_indev_deps="decklink threads"
3014 decklink_indev_extralibs="-lstdc++"
3015 decklink_outdev_deps="decklink threads"
3016 decklink_outdev_extralibs="-lstdc++"
3017 dshow_indev_deps="IBaseFilter"
3018 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"
3019 dv1394_indev_deps="dv1394"
3020 dv1394_indev_select="dv_demuxer"
3021 fbdev_indev_deps="linux_fb_h"
3022 fbdev_outdev_deps="linux_fb_h"
3023 gdigrab_indev_deps="CreateDIBSection"
3024 gdigrab_indev_extralibs="-lgdi32"
3025 gdigrab_indev_select="bmp_decoder"
3026 iec61883_indev_deps="libiec61883"
3027 jack_indev_deps="jack"
3028 jack_indev_deps_any="sem_timedwait dispatch_dispatch_h"
3029 lavfi_indev_deps="avfilter"
3030 libcdio_indev_deps="libcdio"
3031 libdc1394_indev_deps="libdc1394"
3032 libv4l2_indev_deps="libv4l2"
3033 openal_indev_deps="openal"
3034 opengl_outdev_deps="opengl"
3035 oss_indev_deps_any="soundcard_h sys_soundcard_h"
3036 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
3037 pulse_indev_deps="libpulse"
3038 pulse_outdev_deps="libpulse"
3039 qtkit_indev_extralibs="-framework QTKit -framework Foundation -framework QuartzCore"
3040 qtkit_indev_select="qtkit"
3041 sdl2_outdev_deps="sdl2"
3042 sndio_indev_deps="sndio"
3043 sndio_outdev_deps="sndio"
3044 v4l_indev_deps="linux_videodev_h"
3045 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
3046 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
3047 vfwcap_indev_deps="vfw32 vfwcap_defines"
3048 xcbgrab_indev_deps="libxcb"
3049 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
3050 xv_outdev_extralibs="-lXv -lX11 -lXext"
3051
3052 # protocols
3053 async_protocol_deps="threads"
3054 bluray_protocol_deps="libbluray"
3055 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
3056 ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"
3057 ffrtmpcrypt_protocol_select="tcp_protocol"
3058 ffrtmphttp_protocol_deps="!librtmp_protocol"
3059 ffrtmphttp_protocol_select="http_protocol"
3060 ftp_protocol_select="tcp_protocol"
3061 gopher_protocol_select="network"
3062 http_protocol_select="tcp_protocol"
3063 httpproxy_protocol_select="tcp_protocol"
3064 https_protocol_select="tls_protocol"
3065 icecast_protocol_select="http_protocol"
3066 librtmp_protocol_deps="librtmp"
3067 librtmpe_protocol_deps="librtmp"
3068 librtmps_protocol_deps="librtmp"
3069 librtmpt_protocol_deps="librtmp"
3070 librtmpte_protocol_deps="librtmp"
3071 libsmbclient_protocol_deps="libsmbclient gplv3"
3072 libssh_protocol_deps="libssh"
3073 mmsh_protocol_select="http_protocol"
3074 mmst_protocol_select="network"
3075 rtmp_protocol_deps="!librtmp_protocol"
3076 rtmp_protocol_select="tcp_protocol"
3077 rtmpe_protocol_select="ffrtmpcrypt_protocol"
3078 rtmps_protocol_deps="!librtmp_protocol"
3079 rtmps_protocol_select="tls_protocol"
3080 rtmpt_protocol_select="ffrtmphttp_protocol"
3081 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
3082 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
3083 rtp_protocol_select="udp_protocol"
3084 sctp_protocol_deps="struct_sctp_event_subscribe struct_msghdr_msg_flags"
3085 sctp_protocol_select="network"
3086 srtp_protocol_select="rtp_protocol srtp"
3087 tcp_protocol_select="network"
3088 tls_gnutls_protocol_deps="gnutls !tls_schannel_protocol !tls_securetransport_protocol"
3089 tls_gnutls_protocol_select="tcp_protocol"
3090 tls_openssl_protocol_deps="openssl !tls_schannel_protocol !tls_securetransport_protocol !tls_gnutls_protocol"
3091 tls_openssl_protocol_select="tcp_protocol"
3092 tls_schannel_protocol_deps="schannel"
3093 tls_schannel_protocol_select="tcp_protocol"
3094 tls_securetransport_protocol_deps="securetransport"
3095 tls_securetransport_protocol_select="tcp_protocol"
3096 tls_protocol_deps_any="tls_schannel_protocol tls_securetransport_protocol tls_gnutls_protocol tls_openssl_protocol"
3097 udp_protocol_select="network"
3098 udplite_protocol_select="network"
3099 unix_protocol_deps="sys_un_h"
3100 unix_protocol_select="network"
3101
3102 # filters
3103 afftfilt_filter_deps="avcodec"
3104 afftfilt_filter_select="fft"
3105 afir_filter_deps="avcodec"
3106 afir_filter_select="fft"
3107 amovie_filter_deps="avcodec avformat"
3108 aresample_filter_deps="swresample"
3109 ass_filter_deps="libass"
3110 atempo_filter_deps="avcodec"
3111 atempo_filter_select="rdft"
3112 azmq_filter_deps="libzmq"
3113 blackframe_filter_deps="gpl"
3114 boxblur_filter_deps="gpl"
3115 bs2b_filter_deps="libbs2b"
3116 colormatrix_filter_deps="gpl"
3117 cover_rect_filter_deps="avcodec avformat gpl"
3118 cropdetect_filter_deps="gpl"
3119 deinterlace_qsv_filter_deps="libmfx"
3120 deinterlace_vaapi_filter_deps="vaapi"
3121 delogo_filter_deps="gpl"
3122 deshake_filter_select="pixelutils"
3123 drawtext_filter_deps="libfreetype"
3124 elbg_filter_deps="avcodec"
3125 eq_filter_deps="gpl"
3126 fftfilt_filter_deps="avcodec"
3127 fftfilt_filter_select="rdft"
3128 find_rect_filter_deps="avcodec avformat gpl"
3129 firequalizer_filter_deps="avcodec"
3130 firequalizer_filter_select="rdft"
3131 flite_filter_deps="libflite"
3132 framerate_filter_select="pixelutils"
3133 frei0r_filter_deps="frei0r dlopen"
3134 frei0r_src_filter_deps="frei0r dlopen"
3135 fspp_filter_deps="gpl"
3136 geq_filter_deps="gpl"
3137 histeq_filter_deps="gpl"
3138 hqdn3d_filter_deps="gpl"
3139 interlace_filter_deps="gpl"
3140 kerndeint_filter_deps="gpl"
3141 ladspa_filter_deps="ladspa dlopen"
3142 mcdeint_filter_deps="avcodec gpl"
3143 movie_filter_deps="avcodec avformat"
3144 mpdecimate_filter_deps="gpl"
3145 mpdecimate_filter_select="pixelutils"
3146 mptestsrc_filter_deps="gpl"
3147 negate_filter_deps="lut_filter"
3148 nnedi_filter_deps="gpl"
3149 ocr_filter_deps="libtesseract"
3150 ocv_filter_deps="libopencv"
3151 owdenoise_filter_deps="gpl"
3152 pan_filter_deps="swresample"
3153 perspective_filter_deps="gpl"
3154 phase_filter_deps="gpl"
3155 pp7_filter_deps="gpl"
3156 pp_filter_deps="gpl postproc"
3157 pullup_filter_deps="gpl"
3158 removelogo_filter_deps="avcodec avformat swscale"
3159 repeatfields_filter_deps="gpl"
3160 resample_filter_deps="avresample"
3161 rubberband_filter_deps="librubberband"
3162 sab_filter_deps="gpl swscale"
3163 scale2ref_filter_deps="swscale"
3164 scale_filter_deps="swscale"
3165 scale_qsv_filter_deps="libmfx"
3166 select_filter_select="pixelutils"
3167 showcqt_filter_deps="avcodec avformat swscale"
3168 showcqt_filter_select="fft"
3169 showfreqs_filter_deps="avcodec"
3170 showfreqs_filter_select="fft"
3171 showspectrum_filter_deps="avcodec"
3172 showspectrum_filter_select="fft"
3173 showspectrumpic_filter_deps="avcodec"
3174 showspectrumpic_filter_select="fft"
3175 signature_filter_deps="gpl avcodec avformat"
3176 smartblur_filter_deps="gpl swscale"
3177 sofalizer_filter_deps="libmysofa avcodec"
3178 sofalizer_filter_select="fft"
3179 spectrumsynth_filter_deps="avcodec"
3180 spectrumsynth_filter_select="fft"
3181 spp_filter_deps="gpl avcodec"
3182 spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"
3183 stereo3d_filter_deps="gpl"
3184 subtitles_filter_deps="avformat avcodec libass"
3185 super2xsai_filter_deps="gpl"
3186 pixfmts_super2xsai_test_deps="super2xsai_filter"
3187 tinterlace_filter_deps="gpl"
3188 tinterlace_merge_test_deps="tinterlace_filter"
3189 tinterlace_pad_test_deps="tinterlace_filter"
3190 uspp_filter_deps="gpl avcodec"
3191 vaguedenoiser_filter_deps="gpl"
3192 vidstabdetect_filter_deps="libvidstab"
3193 vidstabtransform_filter_deps="libvidstab"
3194 libvmaf_filter_deps="libvmaf"
3195 zmq_filter_deps="libzmq"
3196 zoompan_filter_deps="swscale"
3197 zscale_filter_deps="libzimg"
3198 scale_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
3199
3200 # examples
3201 avio_dir_cmd_deps="avformat avutil"
3202 avio_reading_deps="avformat avcodec avutil"
3203 decode_audio_example_deps="avcodec avutil"
3204 decode_video_example_deps="avcodec avutil"
3205 demuxing_decoding_example_deps="avcodec avformat avutil"
3206 encode_audio_example_deps="avcodec avutil"
3207 encode_video_example_deps="avcodec avutil"
3208 extract_mvs_example_deps="avcodec avformat avutil"
3209 filter_audio_example_deps="avfilter avutil"
3210 filtering_audio_example_deps="avfilter avcodec avformat avutil"
3211 filtering_video_example_deps="avfilter avcodec avformat avutil"
3212 http_multiclient_example_deps="avformat avutil fork"
3213 hw_decode_example_deps="avcodec avformat avutil"
3214 metadata_example_deps="avformat avutil"
3215 muxing_example_deps="avcodec avformat avutil swscale"
3216 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder"
3217 remuxing_example_deps="avcodec avformat avutil"
3218 resampling_audio_example_deps="avutil swresample"
3219 scaling_video_example_deps="avutil swscale"
3220 transcode_aac_example_deps="avcodec avformat swresample"
3221 transcoding_example_deps="avfilter avcodec avformat avutil"
3222
3223 # libraries, in linking order
3224 avcodec_deps="avutil"
3225 avcodec_select="null_bsf"
3226 avdevice_deps="avformat avcodec avutil"
3227 avfilter_deps="avutil"
3228 avformat_deps="avcodec avutil"
3229 avresample_deps="avutil"
3230 postproc_deps="avutil gpl"
3231 swresample_deps="avutil"
3232 swscale_deps="avutil"
3233
3234 # programs
3235 ffmpeg_deps="avcodec avfilter avformat swresample"
3236 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
3237                null_filter
3238                trim_filter"
3239 ffplay_deps="avcodec avformat swscale swresample sdl2"
3240 ffplay_extralibs='$sdl2_extralibs'
3241 ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"
3242 ffprobe_deps="avcodec avformat"
3243 ffserver_deps="avformat fork sarestart"
3244 ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
3245
3246 # documentation
3247 podpages_deps="perl"
3248 manpages_deps="perl pod2man"
3249 htmlpages_deps="perl"
3250 htmlpages_deps_any="makeinfo_html texi2html"
3251 txtpages_deps="perl makeinfo"
3252 doc_deps_any="manpages htmlpages podpages txtpages"
3253
3254 # default parameters
3255
3256 logfile="ffbuild/config.log"
3257
3258 # installation paths
3259 prefix_default="/usr/local"
3260 bindir_default='${prefix}/bin'
3261 datadir_default='${prefix}/share/ffmpeg'
3262 docdir_default='${prefix}/share/doc/ffmpeg'
3263 incdir_default='${prefix}/include'
3264 libdir_default='${prefix}/lib'
3265 mandir_default='${prefix}/share/man'
3266
3267 # toolchain
3268 ar_default="ar"
3269 cc_default="gcc"
3270 cxx_default="g++"
3271 host_cc_default="gcc"
3272 doxygen_default="doxygen"
3273 install="install"
3274 ln_s_default="ln -s -f"
3275 nm_default="nm -g"
3276 pkg_config_default=pkg-config
3277 ranlib_default="ranlib"
3278 strip_default="strip"
3279 version_script='--version-script'
3280 x86asmexe_default="nasm"
3281 windres_default="windres"
3282 nvcc_default="nvcc"
3283 nvccflags_default="-gencode arch=compute_30,code=sm_30 -O2"
3284
3285 # OS
3286 target_os_default=$(tolower $(uname -s))
3287 host_os=$target_os_default
3288
3289 # machine
3290 if test "$target_os_default" = aix; then
3291     arch_default=$(uname -p)
3292     strip_default="strip -X32_64"
3293 else
3294     arch_default=$(uname -m)
3295 fi
3296 cpu="generic"
3297 intrinsics="none"
3298
3299 # configurable options
3300 enable $PROGRAM_LIST
3301 enable $DOCUMENT_LIST
3302 enable $EXAMPLE_LIST
3303 enable $(filter_out avresample $LIBRARY_LIST)
3304 enable stripping
3305
3306 enable asm
3307 enable debug
3308 enable doc
3309 enable faan faandct faanidct
3310 enable optimizations
3311 enable runtime_cpudetect
3312 enable safe_bitstream_reader
3313 enable static
3314 enable swscale_alpha
3315 enable valgrind_backtrace
3316
3317 sws_max_filter_size_default=256
3318 set_default sws_max_filter_size
3319
3320 # build settings
3321 SHFLAGS='-shared -Wl,-soname,$$(@F)'
3322 LIBPREF="lib"
3323 LIBSUF=".a"
3324 FULLNAME='$(NAME)$(BUILDSUF)'
3325 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
3326 SLIBPREF="lib"
3327 SLIBSUF=".so"
3328 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
3329 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
3330 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
3331 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
3332 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
3333 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
3334 VERSION_SCRIPT_POSTPROCESS_CMD="cat"
3335
3336 asflags_filter=echo
3337 cflags_filter=echo
3338 ldflags_filter=echo
3339
3340 AS_C='-c'
3341 AS_O='-o $@'
3342 CC_C='-c'
3343 CC_E='-E -o $@'
3344 CC_O='-o $@'
3345 CXX_C='-c'
3346 CXX_O='-o $@'
3347 OBJCC_C='-c'
3348 OBJCC_E='-E -o $@'
3349 OBJCC_O='-o $@'
3350 X86ASM_O='-o $@'
3351 LD_O='-o $@'
3352 LD_LIB='-l%'
3353 LD_PATH='-L'
3354 HOSTCC_C='-c'
3355 HOSTCC_E='-E -o $@'
3356 HOSTCC_O='-o $@'
3357 HOSTLD_O='-o $@'
3358 NVCC_C='-c'
3359 NVCC_O='-o $@'
3360
3361 host_extralibs='-lm'
3362 host_cflags_filter=echo
3363 host_ldflags_filter=echo
3364
3365 target_path='$(CURDIR)'
3366
3367 # since the object filename is not given with the -MM flag, the compiler
3368 # is only able to print the basename, and we must add the path ourselves
3369 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>/dev/null | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(@F),$(@D)/$(@F)," > $(@:.o=.d)'
3370 DEPFLAGS='-MM'
3371
3372 mkdir -p ffbuild
3373
3374 # find source path
3375 if test -f configure; then
3376     source_path=.
3377 else
3378     source_path=$(cd $(dirname "$0"); pwd)
3379     case "$source_path" in
3380         *[[:blank:]]*) die "Out of tree builds are impossible with whitespace in source path." ;;
3381     esac
3382     test -e "$source_path/config.h" &&
3383         die "Out of tree builds are impossible with config.h in source dir."
3384 fi
3385
3386 for v in "$@"; do
3387     r=${v#*=}
3388     l=${v%"$r"}
3389     r=$(sh_quote "$r")
3390     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
3391 done
3392
3393 find_things(){
3394     thing=$1
3395     pattern=$2
3396     file=$source_path/$3
3397     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
3398 }
3399
3400 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
3401 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
3402 HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
3403 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
3404 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
3405 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
3406 OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
3407 INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
3408 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
3409
3410 find_things_extern(){
3411     thing=$1
3412     pattern=$2
3413     file=$source_path/$3
3414     sed -n "s/^[^#]*extern.*$pattern *ff_\([^ ]*\)_$thing;/\1_$thing/p" "$file"
3415 }
3416
3417 BSF_LIST=$(find_things_extern bsf AVBitStreamFilter libavcodec/bitstream_filters.c)
3418 PROTOCOL_LIST=$(find_things_extern protocol URLProtocol libavformat/protocols.c)
3419
3420 ALL_COMPONENTS="
3421     $BSF_LIST
3422     $DECODER_LIST
3423     $DEMUXER_LIST
3424     $ENCODER_LIST
3425     $FILTER_LIST
3426     $HWACCEL_LIST
3427     $INDEV_LIST
3428     $MUXER_LIST
3429     $OUTDEV_LIST
3430     $PARSER_LIST
3431     $PROTOCOL_LIST
3432 "
3433
3434 for n in $COMPONENT_LIST; do
3435     v=$(toupper ${n%s})_LIST
3436     eval enable \$$v
3437     eval ${n}_if_any="\$$v"
3438 done
3439
3440 enable $ARCH_EXT_LIST
3441
3442 die_unknown(){
3443     echo "Unknown option \"$1\"."
3444     echo "See $0 --help for available options."
3445     exit 1
3446 }
3447
3448 print_in_columns() {
3449     cols=$(expr $ncols / 24)
3450     cat | tr ' ' '\n' | sort | pr -r "-$cols" -w $ncols -t
3451 }
3452
3453 show_list() {
3454     suffix=_$1
3455     shift
3456     echo $* | sed s/$suffix//g | print_in_columns
3457     exit 0
3458 }
3459
3460 rand_list(){
3461     IFS=', '
3462     set -- $*
3463     unset IFS
3464     for thing; do
3465         comp=${thing%:*}
3466         prob=${thing#$comp}
3467         prob=${prob#:}
3468         is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
3469         echo "prob ${prob:-0.5}"
3470         printf '%s\n' $comp
3471     done
3472 }
3473
3474 do_random(){
3475     action=$1
3476     shift
3477     random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
3478     $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
3479 }
3480
3481 for opt do
3482     optval="${opt#*=}"
3483     case "$opt" in
3484         --extra-ldflags=*)
3485             add_ldflags $optval
3486         ;;
3487         --extra-ldexeflags=*)
3488             add_ldexeflags $optval
3489         ;;
3490         --extra-ldlibflags=*)
3491             add_ldlibflags $optval
3492         ;;
3493         --extra-libs=*)
3494             add_extralibs $optval
3495         ;;
3496         --disable-devices)
3497             disable $INDEV_LIST $OUTDEV_LIST
3498         ;;
3499         --enable-debug=*)
3500             debuglevel="$optval"
3501         ;;
3502         --disable-programs)
3503             disable $PROGRAM_LIST
3504         ;;
3505         --disable-everything)
3506             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3507         ;;
3508         --disable-all)
3509             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3510             disable $LIBRARY_LIST $PROGRAM_LIST doc
3511             enable avutil
3512         ;;
3513         --enable-random|--disable-random)
3514             action=${opt%%-random}
3515             do_random ${action#--} $COMPONENT_LIST
3516         ;;
3517         --enable-random=*|--disable-random=*)
3518             action=${opt%%-random=*}
3519             do_random ${action#--} $optval
3520         ;;
3521         --enable-*=*|--disable-*=*)
3522             eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
3523             is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
3524             eval list=\$$(toupper $thing)_LIST
3525             name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
3526             list=$(filter "$name" $list)
3527             [ "$list" = "" ] && warn "Option $opt did not match anything"
3528             $action $list
3529         ;;
3530         --enable-yasm|--disable-yasm)
3531             warn "The ${opt} option is only provided for compatibility and will be\n"\
3532                  "removed in the future. Use --enable-x86asm / --disable-x86asm instead."
3533             test $opt = --enable-yasm && x86asm=yes || x86asm=no
3534         ;;
3535         --yasmexe=*)
3536             warn "The --yasmexe option is only provided for compatibility and will be\n"\
3537                  "removed in the future. Use --x86asmexe instead."
3538             x86asmexe="$optval"
3539         ;;
3540         --enable-?*|--disable-?*)
3541             eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
3542             if is_in $option $COMPONENT_LIST; then
3543                 test $action = disable && action=unset
3544                 eval $action \$$(toupper ${option%s})_LIST
3545             elif is_in $option $CMDLINE_SELECT; then
3546                 $action $option
3547             else
3548                 die_unknown $opt
3549             fi
3550         ;;
3551         --list-*)
3552             NAME="${opt#--list-}"
3553             is_in $NAME $COMPONENT_LIST || die_unknown $opt
3554             NAME=${NAME%s}
3555             eval show_list $NAME \$$(toupper $NAME)_LIST
3556         ;;
3557         --help|-h) show_help
3558         ;;
3559         --quiet|-q) quiet=yes
3560         ;;
3561         --fatal-warnings) enable fatal_warnings
3562         ;;
3563         --libfuzzer=*)
3564             libfuzzer_path="$optval"
3565         ;;
3566         *)
3567             optname="${opt%%=*}"
3568             optname="${optname#--}"
3569             optname=$(echo "$optname" | sed 's/-/_/g')
3570             if is_in $optname $CMDLINE_SET; then
3571                 eval $optname='$optval'
3572             elif is_in $optname $CMDLINE_APPEND; then
3573                 append $optname "$optval"
3574             else
3575                 die_unknown $opt
3576             fi
3577         ;;
3578     esac
3579 done
3580
3581 for e in $env; do
3582     eval "export $e"
3583 done
3584
3585 # Mark specifically enabled, but normally autodetected libraries as requested.
3586 for lib in $AUTODETECT_LIBS; do
3587     enabled $lib && request $lib
3588 done
3589
3590 # Enable platform codecs by default.
3591 enable_weak audiotoolbox
3592
3593 # Enable hwaccels by default.
3594 enable_weak d3d11va dxva2 vaapi vda vdpau videotoolbox_hwaccel xvmc
3595 enable_weak xlib
3596
3597 enable_weak cuda cuvid nvenc vda_framework videotoolbox videotoolbox_encoder
3598
3599 disabled logging && logfile=/dev/null
3600
3601 die_license_disabled() {
3602     enabled $1 || { enabled $v && die "$v is $1 and --enable-$1 is not specified."; }
3603 }
3604
3605 die_license_disabled_gpl() {
3606     enabled $1 || { enabled $v && die "$v is incompatible with the gpl and --enable-$1 is not specified."; }
3607 }
3608
3609 map "die_license_disabled gpl"      $EXTERNAL_LIBRARY_GPL_LIST $EXTERNAL_LIBRARY_GPLV3_LIST
3610 map "die_license_disabled version3" $EXTERNAL_LIBRARY_VERSION3_LIST $EXTERNAL_LIBRARY_GPLV3_LIST
3611
3612 enabled gpl && map "die_license_disabled_gpl nonfree" $EXTERNAL_LIBRARY_NONFREE_LIST
3613 map "die_license_disabled nonfree" $HWACCEL_LIBRARY_NONFREE_LIST
3614
3615 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3616
3617 # Disable all the library-specific components if the library itself
3618 # is disabled, see AVCODEC_LIST and following _LIST variables.
3619
3620 disable_components(){
3621     disabled ${1} && disable $(
3622         eval components="\$$(toupper ${1})_COMPONENTS"
3623         map 'eval echo \${$(toupper ${v%s})_LIST}' $components
3624     )
3625 }
3626
3627 map 'disable_components $v' $LIBRARY_LIST
3628
3629 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
3630 set >> $logfile
3631
3632 test -n "$valgrind" && toolchain="valgrind-memcheck"
3633
3634 enabled ossfuzz && {
3635     add_cflags  -fsanitize=address,undefined -fsanitize-coverage=trace-pc-guard,trace-cmp -fno-omit-frame-pointer
3636     add_ldflags -fsanitize=address,undefined -fsanitize-coverage=trace-pc-guard,trace-cmp
3637 }
3638
3639 case "$toolchain" in
3640     *-asan)
3641         cc_default="${toolchain%-asan}"
3642         add_cflags  -fsanitize=address
3643         add_ldflags -fsanitize=address
3644     ;;
3645     *-msan)
3646         cc_default="${toolchain%-msan}"
3647         add_cflags  -fsanitize=memory -fsanitize-memory-track-origins
3648         add_ldflags -fsanitize=memory
3649     ;;
3650     *-tsan)
3651         cc_default="${toolchain%-tsan}"
3652         add_cflags  -fsanitize=thread -fPIE
3653         add_ldflags -fsanitize=thread -pie
3654         case "$toolchain" in
3655             gcc-tsan)
3656                 add_cflags  -fPIC
3657                 add_ldflags -fPIC
3658                 ;;
3659         esac
3660     ;;
3661     *-usan)
3662         cc_default="${toolchain%-usan}"
3663         add_cflags  -fsanitize=undefined
3664         add_ldflags -fsanitize=undefined
3665     ;;
3666     valgrind-*)
3667         target_exec_default="valgrind"
3668         case "$toolchain" in
3669             valgrind-massif)
3670                 target_exec_args="--tool=massif --alloc-fn=av_malloc --alloc-fn=av_mallocz --alloc-fn=av_calloc --alloc-fn=av_fast_padded_malloc --alloc-fn=av_fast_malloc --alloc-fn=av_realloc_f --alloc-fn=av_fast_realloc --alloc-fn=av_realloc"
3671                 ;;
3672             valgrind-memcheck)
3673                 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
3674                 ;;
3675         esac
3676     ;;
3677     msvc)
3678         # Check whether the current MSVC version needs the C99 converter.
3679         # From MSVC 2013 (compiler major version 18) onwards, it does actually
3680         # support enough of C99 to build ffmpeg. Default to the new
3681         # behaviour if the regexp was unable to match anything, since this
3682         # successfully parses the version number of existing supported
3683         # versions that require the converter (MSVC 2010 and 2012).
3684         cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
3685         if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
3686             cc_default="cl"
3687             cxx_default="cl"
3688         else
3689             cc_default="c99wrap cl"
3690             cxx_default="c99wrap cl"
3691         fi
3692         ld_default="$source_path/compat/windows/mslink"
3693         nm_default="dumpbin -symbols"
3694         ar_default="lib"
3695         case "$arch" in
3696         arm*)
3697             as_default="armasm"
3698             ;;
3699         esac
3700         target_os_default="win32"
3701         # Use a relative path for TMPDIR. This makes sure all the
3702         # ffconf temp files are written with a relative path, avoiding
3703         # issues with msys/win32 path conversion for MSVC parameters
3704         # such as -Fo<file> or -out:<file>.
3705         TMPDIR=.
3706     ;;
3707     icl)
3708         cc_default="icl"
3709         ld_default="xilink"
3710         nm_default="dumpbin -symbols"
3711         ar_default="xilib"
3712         target_os_default="win32"
3713         TMPDIR=.
3714     ;;
3715     gcov)
3716         add_cflags  -fprofile-arcs -ftest-coverage
3717         add_ldflags -fprofile-arcs -ftest-coverage
3718     ;;
3719     llvm-cov)
3720         add_cflags -fprofile-arcs -ftest-coverage
3721         add_ldflags --coverage
3722     ;;
3723     hardened)
3724         add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
3725         add_cflags   -fno-strict-overflow -fstack-protector-all
3726         add_ldflags  -Wl,-z,relro -Wl,-z,now
3727         add_cflags   -fPIE
3728         add_ldexeflags -fPIE -pie
3729     ;;
3730     ?*)
3731         die "Unknown toolchain $toolchain"
3732     ;;
3733 esac
3734
3735 test -n "$cross_prefix" && enable cross_compile
3736
3737 if enabled cross_compile; then
3738     test -n "$arch" && test -n "$target_os" ||
3739         die "Must specify target arch (--arch) and OS (--target-os) when cross-compiling"
3740 fi
3741
3742 ar_default="${cross_prefix}${ar_default}"
3743 cc_default="${cross_prefix}${cc_default}"
3744 cxx_default="${cross_prefix}${cxx_default}"
3745 nm_default="${cross_prefix}${nm_default}"
3746 pkg_config_default="${cross_prefix}${pkg_config_default}"
3747 if ${cross_prefix}${ranlib_default} 2>&1 | grep -q "\-D "; then
3748     ranlib_default="${cross_prefix}${ranlib_default} -D"
3749 else
3750     ranlib_default="${cross_prefix}${ranlib_default}"
3751 fi
3752 strip_default="${cross_prefix}${strip_default}"
3753 windres_default="${cross_prefix}${windres_default}"
3754
3755 sysinclude_default="${sysroot}/usr/include"
3756
3757 set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \
3758     target_exec target_os x86asmexe nvcc
3759 enabled cross_compile || host_cc_default=$cc
3760 set_default host_cc
3761
3762 pkg_config_fail_message=""
3763 if ! $pkg_config --version >/dev/null 2>&1; then
3764     warn "$pkg_config not found, library detection may fail."
3765     pkg_config=false
3766 elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then
3767     pkg_config_fail_message="
3768 Note: When building a static binary, add --pkg-config-flags=\"--static\"."
3769 fi
3770
3771 if test $doxygen != $doxygen_default && \
3772   ! $doxygen --version >/dev/null 2>&1; then
3773     warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."
3774 fi
3775
3776 exesuf() {
3777     case $1 in
3778         mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
3779     esac
3780 }
3781
3782 EXESUF=$(exesuf $target_os)
3783 HOSTEXESUF=$(exesuf $host_os)
3784
3785 # set temporary file name
3786 : ${TMPDIR:=$TEMPDIR}
3787 : ${TMPDIR:=$TMP}
3788 : ${TMPDIR:=/tmp}
3789
3790 if [ -n "$tempprefix" ] ; then
3791     mktemp(){
3792         tmpname="$tempprefix.${HOSTNAME}.${UID}"
3793         echo "$tmpname"
3794         mkdir "$tmpname"
3795     }
3796 elif ! check_cmd mktemp -u XXXXXX; then
3797     # simple replacement for missing mktemp
3798     # NOT SAFE FOR GENERAL USE
3799     mktemp(){
3800         tmpname="${2%%XXX*}.${HOSTNAME}.${UID}.$$"
3801         echo "$tmpname"
3802         mkdir "$tmpname"
3803     }
3804 fi
3805
3806 FFTMPDIR=$(mktemp -d "${TMPDIR}/ffconf.XXXXXXXX" 2> /dev/null) ||
3807     die "Unable to create temporary directory in $TMPDIR."
3808
3809 tmpfile(){
3810     tmp="${FFTMPDIR}/test"$2
3811     (set -C; exec > $tmp) 2> /dev/null ||
3812         die "Unable to create temporary file in $FFTMPDIR."
3813     eval $1=$tmp
3814 }
3815
3816 trap 'rm -rf -- "$FFTMPDIR"' EXIT
3817 trap 'exit 2' INT
3818
3819 tmpfile TMPASM .asm
3820 tmpfile TMPC   .c
3821 tmpfile TMPCPP .cpp
3822 tmpfile TMPE   $EXESUF
3823 tmpfile TMPH   .h
3824 tmpfile TMPM   .m
3825 tmpfile TMPO   .o
3826 tmpfile TMPS   .S
3827 tmpfile TMPSH  .sh
3828 tmpfile TMPV   .ver
3829
3830 unset -f mktemp
3831
3832 chmod +x $TMPE
3833
3834 # make sure we can execute files in $TMPDIR
3835 cat > $TMPSH 2>> $logfile <<EOF
3836 #! /bin/sh
3837 EOF
3838 chmod +x $TMPSH >> $logfile 2>&1
3839 if ! $TMPSH >> $logfile 2>&1; then
3840     cat <<EOF
3841 Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
3842 variable to another directory and make sure that it is not mounted noexec.
3843 EOF
3844     die "Sanity test failed."
3845 fi
3846
3847 armasm_flags(){
3848     for flag; do
3849         case $flag in
3850             # Filter out MSVC cl.exe options from cflags that shouldn't
3851             # be passed to gas-preprocessor
3852             -M[TD]*)                                            ;;
3853             *)                  echo $flag                      ;;
3854         esac
3855    done
3856 }
3857
3858 ccc_flags(){
3859     for flag; do
3860         case $flag in
3861             -std=c99)           echo -c99                       ;;
3862             -mcpu=*)            echo -arch ${flag#*=}           ;;
3863             -mieee)             echo -ieee                      ;;
3864             -O*|-fast)          echo $flag                      ;;
3865             -fno-math-errno)    echo -assume nomath_errno       ;;
3866             -g)                 echo -g3                        ;;
3867             -Wall)              echo -msg_enable level2         ;;
3868             -Wno-pointer-sign)  echo -msg_disable ptrmismatch1  ;;
3869             -Wl,*)              echo $flag                      ;;
3870             -f*|-W*)                                            ;;
3871             *)                  echo $flag                      ;;
3872         esac
3873    done
3874 }
3875
3876 cparser_flags(){
3877     for flag; do
3878         case $flag in
3879             -Wno-switch)             echo -Wno-switch-enum ;;
3880             -Wno-format-zero-length) ;;
3881             -Wdisabled-optimization) ;;
3882             -Wno-pointer-sign)       echo -Wno-other ;;
3883             *)                       echo $flag ;;
3884         esac
3885     done
3886 }
3887
3888 msvc_common_flags(){
3889     for flag; do
3890         case $flag in
3891             # In addition to specifying certain flags under the compiler
3892             # specific filters, they must be specified here as well or else the
3893             # generic catch all at the bottom will print the original flag.
3894             -Wall)                ;;
3895             -Wextra)              ;;
3896             -std=c99)             ;;
3897             # Common flags
3898             -fomit-frame-pointer) ;;
3899             -g)                   echo -Z7 ;;
3900             -fno-math-errno)      ;;
3901             -fno-common)          ;;
3902             -fno-signed-zeros)    ;;
3903             -fPIC)                ;;
3904             -mthumb)              ;;
3905             -march=*)             ;;
3906             -lz)                  echo zlib.lib ;;
3907             -lx264)               echo libx264.lib ;;
3908             -lstdc++)             ;;
3909             -l*)                  echo ${flag#-l}.lib ;;
3910             -LARGEADDRESSAWARE)   echo $flag ;;
3911             -L*)                  echo -libpath:${flag#-L} ;;
3912             *)                    echo $flag ;;
3913         esac
3914     done
3915 }
3916
3917 msvc_flags(){
3918     msvc_common_flags "$@"
3919     for flag; do
3920         case $flag in
3921             -Wall)                echo -W3 -wd4018 -wd4146 -wd4244 -wd4305     \
3922                                        -wd4554 ;;
3923             -Wextra)              echo -W4 -wd4244 -wd4127 -wd4018 -wd4389     \
3924                                        -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
3925                                        -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
3926                                        -wd4307 \
3927                                        -wd4273 -wd4554 -wd4701 -wd4703 ;;
3928         esac
3929     done
3930 }
3931
3932 icl_flags(){
3933     msvc_common_flags "$@"
3934     for flag; do
3935         case $flag in
3936             # Despite what Intel's documentation says -Wall, which is supported
3937             # on Windows, does enable remarks so disable them here.
3938             -Wall)                echo $flag -Qdiag-disable:remark ;;
3939             -std=c99)             echo -Qstd=c99 ;;
3940             -flto)                echo -ipo ;;
3941         esac
3942     done
3943 }
3944
3945 icc_flags(){
3946     for flag; do
3947         case $flag in
3948             -flto)                echo -ipo ;;
3949             *)                    echo $flag ;;
3950         esac
3951     done
3952 }
3953
3954 pgi_flags(){
3955     for flag; do
3956         case $flag in
3957             -flto)                echo -Mipa=fast,libopt,libinline,vestigial ;;
3958             -fomit-frame-pointer) echo -Mnoframe ;;
3959             -g)                   echo -gopt ;;
3960             *)                    echo $flag ;;
3961         esac
3962     done
3963 }
3964
3965 suncc_flags(){
3966     for flag; do
3967         case $flag in
3968             -march=*|-mcpu=*)
3969                 case "${flag#*=}" in
3970                     native)                   echo -xtarget=native       ;;
3971                     v9|niagara)               echo -xarch=sparc          ;;
3972                     ultrasparc)               echo -xarch=sparcvis       ;;
3973                     ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
3974                     i586|pentium)             echo -xchip=pentium        ;;
3975                     i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
3976                     pentium3*|c3-2)           echo -xtarget=pentium3     ;;
3977                     pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
3978                     pentium4*)          echo -xtarget=pentium4           ;;
3979                     prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
3980                     *-sse3)             echo -xarch=sse3                 ;;
3981                     core2)              echo -xarch=ssse3 -xchip=core2   ;;
3982                     bonnell)                   echo -xarch=ssse3         ;;
3983                     corei7|nehalem)            echo -xtarget=nehalem     ;;
3984                     westmere)                  echo -xtarget=westmere    ;;
3985                     silvermont)                echo -xarch=sse4_2        ;;
3986                     corei7-avx|sandybridge)    echo -xtarget=sandybridge ;;
3987                     core-avx*|ivybridge|haswell|broadwell|skylake*|knl)
3988                                                echo -xarch=avx           ;;
3989                     amdfam10|barcelona)        echo -xtarget=barcelona   ;;
3990                     btver1)                    echo -xarch=amdsse4a      ;;
3991                     btver2|bdver*|znver*)      echo -xarch=avx           ;;
3992                     athlon-4|athlon-[mx]p)     echo -xarch=ssea          ;;
3993                     k8|opteron|athlon64|athlon-fx)
3994                                                echo -xarch=sse2a         ;;
3995                     athlon*)                   echo -xarch=pentium_proa  ;;
3996                 esac
3997                 ;;
3998             -std=c99)             echo -xc99              ;;
3999             -fomit-frame-pointer) echo -xregs=frameptr    ;;
4000             -fPIC)                echo -KPIC -xcode=pic32 ;;
4001             -W*,*)                echo $flag              ;;
4002             -f*-*|-W*|-mimpure-text)                      ;;
4003             -shared)              echo -G                 ;;
4004             *)                    echo $flag              ;;
4005         esac
4006     done
4007 }
4008
4009 tms470_flags(){
4010     for flag; do
4011         case $flag in
4012             -march=*|-mcpu=*)
4013                 case "${flag#*=}" in
4014                     armv7-a|cortex-a*)      echo -mv=7a8 ;;
4015                     armv7-r|cortex-r*)      echo -mv=7r4 ;;
4016                     armv7-m|cortex-m*)      echo -mv=7m3 ;;
4017                     armv6*|arm11*)          echo -mv=6   ;;
4018                     armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
4019                                             echo -mv=5e  ;;
4020                     armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
4021                 esac
4022                 ;;
4023             -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
4024             -mfpu=vfp)      echo --float_support=vfpv2        ;;
4025             -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
4026             -mfpu=vfpv3-d16) echo --float_support=vfpv3d16    ;;
4027             -msoft-float)   echo --float_support=vfplib       ;;
4028             -O[0-3]|-mf=*)  echo $flag                        ;;
4029             -g)             echo -g -mn                       ;;
4030             -pds=*)         echo $flag                        ;;
4031             -D*|-I*)        echo $flag                        ;;
4032             --gcc|--abi=*)  echo $flag                        ;;
4033             -me)            echo $flag                        ;;
4034         esac
4035     done
4036 }
4037
4038 probe_cc(){
4039     pfx=$1
4040     _cc=$2
4041     first=$3
4042
4043     unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
4044     unset _ld_o _ldflags _ld_lib _ld_path
4045     unset _depflags _DEPCMD _DEPFLAGS
4046     _flags_filter=echo
4047
4048     if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
4049         true # no-op to avoid reading stdin in following checks
4050     elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
4051         _type=llvm_gcc
4052         gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')
4053         _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"
4054         _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4055         _cflags_speed='-O3'
4056         _cflags_size='-Os'
4057     elif $_cc -v 2>&1 | grep -qi ^gcc; then
4058         _type=gcc
4059         gcc_version=$($_cc --version | head -n1)
4060         gcc_basever=$($_cc -dumpversion)
4061         gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
4062         gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
4063         _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
4064         case $gcc_basever in
4065             2) ;;
4066             2.*) ;;
4067             *) _depflags='-MMD -MF $(@:.o=.d) -MT $@' ;;
4068         esac
4069         if [ "$first" = true ]; then
4070             case $gcc_basever in
4071                 4.2*)
4072                 warn "gcc 4.2 is outdated and may miscompile FFmpeg. Please use a newer compiler." ;;
4073             esac
4074         fi
4075         _cflags_speed='-O3'
4076         _cflags_size='-Os'
4077     elif $_cc --version 2>/dev/null | grep -q ^icc; then
4078         _type=icc
4079         _ident=$($_cc --version | head -n1)
4080         _depflags='-MMD'
4081         _cflags_speed='-O3'
4082         _cflags_size='-Os'
4083         _cflags_noopt='-O1'
4084         _flags_filter=icc_flags
4085     elif $_cc -v 2>&1 | grep -q xlc; then
4086         _type=xlc
4087         _ident=$($_cc -qversion 2>/dev/null | head -n1)
4088         _cflags_speed='-O5'
4089         _cflags_size='-O5 -qcompact'
4090     elif $_cc -V 2>/dev/null | grep -q Compaq; then
4091         _type=ccc
4092         _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
4093         _DEPFLAGS='-M'
4094         _cflags_speed='-fast'
4095         _cflags_size='-O1'
4096         _flags_filter=ccc_flags
4097     elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
4098         test -d "$sysroot" || die "No valid sysroot specified."
4099         _type=armcc
4100         _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
4101         armcc_conf="$PWD/armcc.conf"
4102         $_cc --arm_linux_configure                 \
4103              --arm_linux_config_file="$armcc_conf" \
4104              --configure_sysroot="$sysroot"        \
4105              --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
4106              die "Error creating armcc configuration file."
4107         $_cc --vsn&n