avcodec: libdav1d AV1 decoder wrapper.
[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   --disable-autodetect     disable automatically detected external libraries [no]
113
114 Program options:
115   --disable-programs       do not build command line programs
116   --disable-ffmpeg         disable ffmpeg build
117   --disable-ffplay         disable ffplay build
118   --disable-ffprobe        disable ffprobe build
119
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 (deprecated) [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   --disable-alsa           disable ALSA support [autodetect]
204   --disable-appkit         disable Apple AppKit framework [autodetect]
205   --disable-avfoundation   disable Apple AVFoundation framework [autodetect]
206   --enable-avisynth        enable reading of AviSynth script files [no]
207   --disable-bzlib          disable bzlib [autodetect]
208   --disable-coreimage      disable Apple CoreImage framework [autodetect]
209   --enable-chromaprint     enable audio fingerprinting with chromaprint [no]
210   --enable-frei0r          enable frei0r video filtering [no]
211   --enable-gcrypt          enable gcrypt, needed for rtmp(t)e support
212                            if openssl, librtmp or gmp is not used [no]
213   --enable-gmp             enable gmp, needed for rtmp(t)e support
214                            if openssl or librtmp is not used [no]
215   --enable-gnutls          enable gnutls, needed for https support
216                            if openssl, libtls or mbedtls is not used [no]
217   --disable-iconv          disable iconv [autodetect]
218   --enable-jni             enable JNI support [no]
219   --enable-ladspa          enable LADSPA audio filtering [no]
220   --enable-libaom          enable AV1 video encoding/decoding via libaom [no]
221   --enable-libass          enable libass subtitles rendering,
222                            needed for subtitles and ass filter [no]
223   --enable-libbluray       enable BluRay reading using libbluray [no]
224   --enable-libbs2b         enable bs2b DSP library [no]
225   --enable-libcaca         enable textual display using libcaca [no]
226   --enable-libcelt         enable CELT decoding via libcelt [no]
227   --enable-libcdio         enable audio CD grabbing with libcdio [no]
228   --enable-libcodec2       enable codec2 en/decoding using libcodec2 [no]
229   --enable-libdav1d        enable AV1 decoding via libdav1d [no]
230   --enable-libdavs2        enable AVS2 decoding via libdavs2 [no]
231   --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394
232                            and libraw1394 [no]
233   --enable-libfdk-aac      enable AAC de/encoding via libfdk-aac [no]
234   --enable-libflite        enable flite (voice synthesis) support via libflite [no]
235   --enable-libfontconfig   enable libfontconfig, useful for drawtext filter [no]
236   --enable-libfreetype     enable libfreetype, needed for drawtext filter [no]
237   --enable-libfribidi      enable libfribidi, improves drawtext filter [no]
238   --enable-libgme          enable Game Music Emu via libgme [no]
239   --enable-libgsm          enable GSM de/encoding via libgsm [no]
240   --enable-libiec61883     enable iec61883 via libiec61883 [no]
241   --enable-libilbc         enable iLBC de/encoding via libilbc [no]
242   --enable-libjack         enable JACK audio sound server [no]
243   --enable-libklvanc       enable Kernel Labs VANC processing [no]
244   --enable-libkvazaar      enable HEVC encoding via libkvazaar [no]
245   --enable-liblensfun      enable lensfun lens correction [no]
246   --enable-libmodplug      enable ModPlug via libmodplug [no]
247   --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]
248   --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
249   --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
250   --enable-libopencv       enable video filtering via libopencv [no]
251   --enable-libopenh264     enable H.264 encoding via OpenH264 [no]
252   --enable-libopenjpeg     enable JPEG 2000 de/encoding via OpenJPEG [no]
253   --enable-libopenmpt      enable decoding tracked files via libopenmpt [no]
254   --enable-libopus         enable Opus de/encoding via libopus [no]
255   --enable-libpulse        enable Pulseaudio input via libpulse [no]
256   --enable-librsvg         enable SVG rasterization via librsvg [no]
257   --enable-librubberband   enable rubberband needed for rubberband filter [no]
258   --enable-librtmp         enable RTMP[E] support via librtmp [no]
259   --enable-libshine        enable fixed-point MP3 encoding via libshine [no]
260   --enable-libsmbclient    enable Samba protocol via libsmbclient [no]
261   --enable-libsnappy       enable Snappy compression, needed for hap encoding [no]
262   --enable-libsoxr         enable Include libsoxr resampling [no]
263   --enable-libspeex        enable Speex de/encoding via libspeex [no]
264   --enable-libsrt          enable Haivision SRT protocol via libsrt [no]
265   --enable-libssh          enable SFTP protocol via libssh [no]
266   --enable-libtensorflow   enable TensorFlow as a DNN module backend
267                            for DNN based filters like sr [no]
268   --enable-libtesseract    enable Tesseract, needed for ocr filter [no]
269   --enable-libtheora       enable Theora encoding via libtheora [no]
270   --enable-libtls          enable LibreSSL (via libtls), needed for https support
271                            if openssl, gnutls or mbedtls is not used [no]
272   --enable-libtwolame      enable MP2 encoding via libtwolame [no]
273   --enable-libv4l2         enable libv4l2/v4l-utils [no]
274   --enable-libvidstab      enable video stabilization using vid.stab [no]
275   --enable-libvmaf         enable vmaf filter via libvmaf [no]
276   --enable-libvo-amrwbenc  enable AMR-WB encoding via libvo-amrwbenc [no]
277   --enable-libvorbis       enable Vorbis en/decoding via libvorbis,
278                            native implementation exists [no]
279   --enable-libvpx          enable VP8 and VP9 de/encoding via libvpx [no]
280   --enable-libwavpack      enable wavpack encoding via libwavpack [no]
281   --enable-libwebp         enable WebP encoding via libwebp [no]
282   --enable-libx264         enable H.264 encoding via x264 [no]
283   --enable-libx265         enable HEVC encoding via x265 [no]
284   --enable-libxavs         enable AVS encoding via xavs [no]
285   --enable-libxavs2        enable AVS2 encoding via xavs2 [no]
286   --enable-libxcb          enable X11 grabbing using XCB [autodetect]
287   --enable-libxcb-shm      enable X11 grabbing shm communication [autodetect]
288   --enable-libxcb-xfixes   enable X11 grabbing mouse rendering [autodetect]
289   --enable-libxcb-shape    enable X11 grabbing shape rendering [autodetect]
290   --enable-libxvid         enable Xvid encoding via xvidcore,
291                            native MPEG-4/Xvid encoder exists [no]
292   --enable-libxml2         enable XML parsing using the C library libxml2, needed
293                            for dash demuxing support [no]
294   --enable-libzimg         enable z.lib, needed for zscale filter [no]
295   --enable-libzmq          enable message passing via libzmq [no]
296   --enable-libzvbi         enable teletext support via libzvbi [no]
297   --enable-lv2             enable LV2 audio filtering [no]
298   --disable-lzma           disable lzma [autodetect]
299   --enable-decklink        enable Blackmagic DeckLink I/O support [no]
300   --enable-libndi_newtek   enable Newteck NDI I/O support [no]
301   --enable-mbedtls         enable mbedTLS, needed for https support
302                            if openssl, gnutls or libtls is not used [no]
303   --enable-mediacodec      enable Android MediaCodec support [no]
304   --enable-libmysofa       enable libmysofa, needed for sofalizer filter [no]
305   --enable-openal          enable OpenAL 1.1 capture support [no]
306   --enable-opencl          enable OpenCL processing [no]
307   --enable-opengl          enable OpenGL rendering [no]
308   --enable-openssl         enable openssl, needed for https support
309                            if gnutls, libtls or mbedtls is not used [no]
310   --disable-sndio          disable sndio support [autodetect]
311   --disable-schannel       disable SChannel SSP, needed for TLS support on
312                            Windows if openssl and gnutls are not used [autodetect]
313   --disable-sdl2           disable sdl2 [autodetect]
314   --disable-securetransport disable Secure Transport, needed for TLS support
315                            on OSX if openssl and gnutls are not used [autodetect]
316   --enable-vapoursynth     enable VapourSynth demuxer [no]
317   --disable-xlib           disable xlib [autodetect]
318   --disable-zlib           disable zlib [autodetect]
319
320   The following libraries provide various hardware acceleration features:
321   --disable-amf            disable AMF video encoding code [autodetect]
322   --disable-audiotoolbox   disable Apple AudioToolbox code [autodetect]
323   --enable-cuda-sdk        enable CUDA features that require the CUDA SDK [no]
324   --disable-cuvid          disable Nvidia CUVID support [autodetect]
325   --disable-d3d11va        disable Microsoft Direct3D 11 video acceleration code [autodetect]
326   --disable-dxva2          disable Microsoft DirectX 9 video acceleration code [autodetect]
327   --disable-ffnvcodec      disable dynamically linked Nvidia code [autodetect]
328   --enable-libdrm          enable DRM code (Linux) [no]
329   --enable-libmfx          enable Intel MediaSDK (AKA Quick Sync Video) code via libmfx [no]
330   --enable-libnpp          enable Nvidia Performance Primitives-based code [no]
331   --enable-mmal            enable Broadcom Multi-Media Abstraction Layer (Raspberry Pi) via MMAL [no]
332   --disable-nvdec          disable Nvidia video decoding acceleration (via hwaccel) [autodetect]
333   --disable-nvenc          disable Nvidia video encoding code [autodetect]
334   --enable-omx             enable OpenMAX IL code [no]
335   --enable-omx-rpi         enable OpenMAX IL code for Raspberry Pi [no]
336   --enable-rkmpp           enable Rockchip Media Process Platform code [no]
337   --disable-v4l2-m2m       disable V4L2 mem2mem code [autodetect]
338   --disable-vaapi          disable Video Acceleration API (mainly Unix/Intel) code [autodetect]
339   --disable-vdpau          disable Nvidia Video Decode and Presentation API for Unix code [autodetect]
340   --disable-videotoolbox   disable VideoToolbox code [autodetect]
341
342 Toolchain options:
343   --arch=ARCH              select architecture [$arch]
344   --cpu=CPU                select the minimum required CPU (affects
345                            instruction selection, may crash on older CPUs)
346   --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]
347   --progs-suffix=SUFFIX    program name suffix []
348   --enable-cross-compile   assume a cross-compiler is used
349   --sysroot=PATH           root of cross-build tree
350   --sysinclude=PATH        location of cross-build system headers
351   --target-os=OS           compiler targets OS [$target_os]
352   --target-exec=CMD        command to run executables on target
353   --target-path=DIR        path to view of build directory on target
354   --target-samples=DIR     path to samples directory on target
355   --tempprefix=PATH        force fixed dir/prefix instead of mktemp for checks
356   --toolchain=NAME         set tool defaults according to NAME
357                            (gcc-asan, clang-asan, gcc-msan, clang-msan,
358                            gcc-tsan, clang-tsan, gcc-usan, clang-usan,
359                            valgrind-massif, valgrind-memcheck,
360                            msvc, icl, gcov, llvm-cov, hardened)
361   --nm=NM                  use nm tool NM [$nm_default]
362   --ar=AR                  use archive tool AR [$ar_default]
363   --as=AS                  use assembler AS [$as_default]
364   --ln_s=LN_S              use symbolic link tool LN_S [$ln_s_default]
365   --strip=STRIP            use strip tool STRIP [$strip_default]
366   --windres=WINDRES        use windows resource compiler WINDRES [$windres_default]
367   --x86asmexe=EXE          use nasm-compatible assembler EXE [$x86asmexe_default]
368   --cc=CC                  use C compiler CC [$cc_default]
369   --cxx=CXX                use C compiler CXX [$cxx_default]
370   --objcc=OCC              use ObjC compiler OCC [$cc_default]
371   --dep-cc=DEPCC           use dependency generator DEPCC [$cc_default]
372   --nvcc=NVCC              use Nvidia CUDA compiler NVCC [$nvcc_default]
373   --ld=LD                  use linker LD [$ld_default]
374   --pkg-config=PKGCONFIG   use pkg-config tool PKGCONFIG [$pkg_config_default]
375   --pkg-config-flags=FLAGS pass additional flags to pkgconf []
376   --ranlib=RANLIB          use ranlib RANLIB [$ranlib_default]
377   --doxygen=DOXYGEN        use DOXYGEN to generate API doc [$doxygen_default]
378   --host-cc=HOSTCC         use host C compiler HOSTCC
379   --host-cflags=HCFLAGS    use HCFLAGS when compiling for host
380   --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
381   --host-ld=HOSTLD         use host linker HOSTLD
382   --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host
383   --host-libs=HLIBS        use libs HLIBS when linking for host
384   --host-os=OS             compiler host OS [$target_os]
385   --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]
386   --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
387   --extra-objcflags=FLAGS  add FLAGS to OBJCFLAGS [$CFLAGS]
388   --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
389   --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
390   --extra-ldsoflags=ELDFLAGS add ELDFLAGS to LDSOFLAGS [$LDSOFLAGS]
391   --extra-libs=ELIBS       add ELIBS [$ELIBS]
392   --extra-version=STRING   version string suffix []
393   --optflags=OPTFLAGS      override optimization-related compiler flags
394   --nvccflags=NVCCFLAGS    override nvcc flags [$nvccflags_default]
395   --build-suffix=SUFFIX    library name suffix []
396   --enable-pic             build position-independent code
397   --enable-thumb           compile for Thumb instruction set
398   --enable-lto             use link-time optimization
399   --env="ENV=override"     override the environment variables
400
401 Advanced options (experts only):
402   --malloc-prefix=PREFIX   prefix malloc and related names with PREFIX
403   --custom-allocator=NAME  use a supported custom allocator
404   --disable-symver         disable symbol versioning
405   --enable-hardcoded-tables use hardcoded tables instead of runtime generation
406   --disable-safe-bitstream-reader
407                            disable buffer boundary checking in bitreaders
408                            (faster, but may crash)
409   --sws-max-filter-size=N  the max filter size swscale uses [$sws_max_filter_size_default]
410
411 Optimization options (experts only):
412   --disable-asm            disable all assembly optimizations
413   --disable-altivec        disable AltiVec optimizations
414   --disable-vsx            disable VSX optimizations
415   --disable-power8         disable POWER8 optimizations
416   --disable-amd3dnow       disable 3DNow! optimizations
417   --disable-amd3dnowext    disable 3DNow! extended optimizations
418   --disable-mmx            disable MMX optimizations
419   --disable-mmxext         disable MMXEXT optimizations
420   --disable-sse            disable SSE optimizations
421   --disable-sse2           disable SSE2 optimizations
422   --disable-sse3           disable SSE3 optimizations
423   --disable-ssse3          disable SSSE3 optimizations
424   --disable-sse4           disable SSE4 optimizations
425   --disable-sse42          disable SSE4.2 optimizations
426   --disable-avx            disable AVX optimizations
427   --disable-xop            disable XOP optimizations
428   --disable-fma3           disable FMA3 optimizations
429   --disable-fma4           disable FMA4 optimizations
430   --disable-avx2           disable AVX2 optimizations
431   --disable-avx512         disable AVX-512 optimizations
432   --disable-aesni          disable AESNI optimizations
433   --disable-armv5te        disable armv5te optimizations
434   --disable-armv6          disable armv6 optimizations
435   --disable-armv6t2        disable armv6t2 optimizations
436   --disable-vfp            disable VFP optimizations
437   --disable-neon           disable NEON optimizations
438   --disable-inline-asm     disable use of inline assembly
439   --disable-x86asm         disable use of standalone x86 assembly
440   --disable-mipsdsp        disable MIPS DSP ASE R1 optimizations
441   --disable-mipsdspr2      disable MIPS DSP ASE R2 optimizations
442   --disable-msa            disable MSA optimizations
443   --disable-mipsfpu        disable floating point MIPS optimizations
444   --disable-mmi            disable Loongson SIMD optimizations
445   --disable-fast-unaligned consider unaligned accesses slow
446
447 Developer options (useful when working on FFmpeg itself):
448   --disable-debug          disable debugging symbols
449   --enable-debug=LEVEL     set the debug level [$debuglevel]
450   --disable-optimizations  disable compiler optimizations
451   --enable-extra-warnings  enable more compiler warnings
452   --disable-stripping      disable stripping of executables and shared libraries
453   --assert-level=level     0(default), 1 or 2, amount of assertion testing,
454                            2 causes a slowdown at runtime.
455   --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
456   --valgrind=VALGRIND      run "make fate" tests through valgrind to detect memory
457                            leaks and errors, using the specified valgrind binary.
458                            Cannot be combined with --target-exec
459   --enable-ftrapv          Trap arithmetic overflows
460   --samples=PATH           location of test samples for FATE, if not set use
461                            \$FATE_SAMPLES at make invocation time.
462   --enable-neon-clobber-test check NEON registers for clobbering (should be
463                            used only for debugging purposes)
464   --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
465                            should be used only for debugging purposes)
466   --enable-random          randomly enable/disable components
467   --disable-random
468   --enable-random=LIST     randomly enable/disable specific components or
469   --disable-random=LIST    component groups. LIST is a comma-separated list
470                            of NAME[:PROB] entries where NAME is a component
471                            (group) and PROB the probability associated with
472                            NAME (default 0.5).
473   --random-seed=VALUE      seed value for --enable/disable-random
474   --disable-valgrind-backtrace do not print a backtrace under Valgrind
475                            (only applies to --disable-optimizations builds)
476   --enable-osfuzz          Enable building fuzzer tool
477   --libfuzzer=PATH         path to libfuzzer
478   --ignore-tests=TESTS     comma-separated list (without "fate-" prefix
479                            in the name) of tests whose result is ignored
480   --enable-linux-perf      enable Linux Performance Monitor API
481
482 NOTE: Object files are built at the place where configure is launched.
483 EOF
484   exit 0
485 }
486
487 if test -t 1 && which tput >/dev/null 2>&1; then
488     ncolors=$(tput colors)
489     if test -n "$ncolors" && test $ncolors -ge 8; then
490         bold_color=$(tput bold)
491         warn_color=$(tput setaf 3)
492         error_color=$(tput setaf 1)
493         reset_color=$(tput sgr0)
494     fi
495     # 72 used instead of 80 since that's the default of pr
496     ncols=$(tput cols)
497 fi
498 : ${ncols:=72}
499
500 log(){
501     echo "$@" >> $logfile
502 }
503
504 log_file(){
505     log BEGIN $1
506     pr -n -t $1 >> $logfile
507     log END $1
508 }
509
510 warn(){
511     log "WARNING: $*"
512     WARNINGS="${WARNINGS}WARNING: $*\n"
513 }
514
515 die(){
516     log "$@"
517     echo "$error_color$bold_color$@$reset_color"
518     cat <<EOF
519
520 If you think configure made a mistake, make sure you are using the latest
521 version from Git.  If the latest version fails, report the problem to the
522 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
523 EOF
524     if disabled logging; then
525         cat <<EOF
526 Rerun configure with logging enabled (do not use --disable-logging), and
527 include the log this produces with your report.
528 EOF
529     else
530         cat <<EOF
531 Include the log file "$logfile" produced by configure as this will help
532 solve the problem.
533 EOF
534     fi
535     exit 1
536 }
537
538 # Avoid locale weirdness, besides we really just want to translate ASCII.
539 toupper(){
540     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
541 }
542
543 tolower(){
544     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
545 }
546
547 c_escape(){
548     echo "$*" | sed 's/["\\]/\\\0/g'
549 }
550
551 sh_quote(){
552     v=$(echo "$1" | sed "s/'/'\\\\''/g")
553     test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
554     echo "$v"
555 }
556
557 cleanws(){
558     echo "$@" | sed 's/^ *//;s/[[:space:]][[:space:]]*/ /g;s/ *$//'
559 }
560
561 filter(){
562     pat=$1
563     shift
564     for v; do
565         eval "case '$v' in $pat) printf '%s ' '$v' ;; esac"
566     done
567 }
568
569 filter_out(){
570     pat=$1
571     shift
572     for v; do
573         eval "case '$v' in $pat) ;; *) printf '%s ' '$v' ;; esac"
574     done
575 }
576
577 map(){
578     m=$1
579     shift
580     for v; do eval $m; done
581 }
582
583 add_suffix(){
584     suffix=$1
585     shift
586     for v; do echo ${v}${suffix}; done
587 }
588
589 remove_suffix(){
590     suffix=$1
591     shift
592     for v; do echo ${v%$suffix}; done
593 }
594
595 set_all(){
596     value=$1
597     shift
598     for var in $*; do
599         eval $var=$value
600     done
601 }
602
603 set_weak(){
604     value=$1
605     shift
606     for var; do
607         eval : \${$var:=$value}
608     done
609 }
610
611 sanitize_var_name(){
612     echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
613 }
614
615 set_sanitized(){
616     var=$1
617     shift
618     eval $(sanitize_var_name "$var")='$*'
619 }
620
621 get_sanitized(){
622     eval echo \$$(sanitize_var_name "$1")
623 }
624
625 pushvar(){
626     for pvar in $*; do
627         eval level=\${${pvar}_level:=0}
628         eval ${pvar}_${level}="\$$pvar"
629         eval ${pvar}_level=$(($level+1))
630     done
631 }
632
633 popvar(){
634     for pvar in $*; do
635         eval level=\${${pvar}_level:-0}
636         test $level = 0 && continue
637         eval level=$(($level-1))
638         eval $pvar="\${${pvar}_${level}}"
639         eval ${pvar}_level=$level
640         eval unset ${pvar}_${level}
641     done
642 }
643
644 request(){
645     for var in $*; do
646         eval ${var}_requested=yes
647         eval $var=
648     done
649 }
650
651 enable(){
652     set_all yes $*
653 }
654
655 disable(){
656     set_all no $*
657 }
658
659 enable_weak(){
660     set_weak yes $*
661 }
662
663 disable_weak(){
664     set_weak no $*
665 }
666
667 enable_sanitized(){
668     for var; do
669         enable $(sanitize_var_name $var)
670     done
671 }
672
673 disable_sanitized(){
674     for var; do
675         disable $(sanitize_var_name $var)
676     done
677 }
678
679 do_enable_deep(){
680     for var; do
681         enabled $var && continue
682         set -- $var
683         eval enable_deep \$${var}_select
684         var=$1
685         eval enable_deep_weak \$${var}_suggest
686     done
687 }
688
689 enable_deep(){
690     do_enable_deep $*
691     enable $*
692 }
693
694 enable_deep_weak(){
695     for var; do
696         disabled $var && continue
697         set -- $var
698         do_enable_deep $var
699         var=$1
700         enable_weak $var
701     done
702 }
703
704 requested(){
705     test "${1#!}" = "$1" && op="=" || op="!="
706     eval test "x\$${1#!}_requested" $op "xyes"
707 }
708
709 enabled(){
710     test "${1#!}" = "$1" && op="=" || op="!="
711     eval test "x\$${1#!}" $op "xyes"
712 }
713
714 disabled(){
715     test "${1#!}" = "$1" && op="=" || op="!="
716     eval test "x\$${1#!}" $op "xno"
717 }
718
719 enabled_all(){
720     for opt; do
721         enabled $opt || return 1
722     done
723 }
724
725 disabled_all(){
726     for opt; do
727         disabled $opt || return 1
728     done
729 }
730
731 enabled_any(){
732     for opt; do
733         enabled $opt && return 0
734     done
735 }
736
737 disabled_any(){
738     for opt; do
739         disabled $opt && return 0
740     done
741     return 1
742 }
743
744 set_default(){
745     for opt; do
746         eval : \${$opt:=\$${opt}_default}
747     done
748 }
749
750 is_in(){
751     value=$1
752     shift
753     for var in $*; do
754         [ $var = $value ] && return 0
755     done
756     return 1
757 }
758
759 # The cfg loop is very hot (several thousands iterations), and in bash also
760 # potentialy quite slow. Try to abort the iterations early, preferably without
761 # calling functions. 70%+ of the time cfg is already done or without deps.
762 check_deps(){
763     for cfg; do
764         eval [ x\$${cfg}_checking = xdone ] && continue
765         eval [ x\$${cfg}_checking = xinprogress ] && die "Circular dependency for $cfg."
766
767         eval "
768         dep_all=\$${cfg}_deps
769         dep_any=\$${cfg}_deps_any
770         dep_con=\$${cfg}_conflict
771         dep_sel=\$${cfg}_select
772         dep_sgs=\$${cfg}_suggest
773         dep_ifa=\$${cfg}_if
774         dep_ifn=\$${cfg}_if_any
775         "
776
777         # most of the time here $cfg has no deps - avoid costly no-op work
778         if [ "$dep_all$dep_any$dep_con$dep_sel$dep_sgs$dep_ifa$dep_ifn" ]; then
779             eval ${cfg}_checking=inprogress
780
781             set -- $cfg "$dep_all" "$dep_any" "$dep_con" "$dep_sel" "$dep_sgs" "$dep_ifa" "$dep_ifn"
782             check_deps $dep_all $dep_any $dep_con $dep_sel $dep_sgs $dep_ifa $dep_ifn
783             cfg=$1; dep_all=$2; dep_any=$3; dep_con=$4; dep_sel=$5 dep_sgs=$6; dep_ifa=$7; dep_ifn=$8
784
785             [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
786             [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
787             enabled_all  $dep_all || { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but not all dependencies are satisfied: $dep_all"; }
788             enabled_any  $dep_any || { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but not any dependency is satisfied: $dep_any"; }
789             disabled_all $dep_con || { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but some conflicting dependencies are unsatisfied: $dep_con"; }
790             disabled_any $dep_sel && { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but some selected dependency is unsatisfied: $dep_sel"; }
791
792             enabled $cfg && enable_deep_weak $dep_sel $dep_sgs
793
794             for dep in $dep_all $dep_any $dep_sel $dep_sgs; do
795                 # filter out library deps, these do not belong in extralibs
796                 is_in $dep $LIBRARY_LIST && continue
797                 enabled $dep && eval append ${cfg}_extralibs ${dep}_extralibs
798             done
799         fi
800
801         eval ${cfg}_checking=done
802     done
803 }
804
805 print_config(){
806     pfx=$1
807     files=$2
808     shift 2
809     map 'eval echo "$v \${$v:-no}"' "$@" |
810     awk "BEGIN { split(\"$files\", files) }
811         {
812             c = \"$pfx\" toupper(\$1);
813             v = \$2;
814             sub(/yes/, 1, v);
815             sub(/no/,  0, v);
816             for (f in files) {
817                 file = files[f];
818                 if (file ~ /\\.h\$/) {
819                     printf(\"#define %s %d\\n\", c, v) >>file;
820                 } else if (file ~ /\\.asm\$/) {
821                     printf(\"%%define %s %d\\n\", c, v) >>file;
822                 } else if (file ~ /\\.mak\$/) {
823                     n = -v ? \"\" : \"!\";
824                     printf(\"%s%s=yes\\n\", n, c) >>file;
825                 } else if (file ~ /\\.texi\$/) {
826                     pre = -v ? \"\" : \"@c \";
827                     yesno = \$2;
828                     c2 = tolower(c);
829                     gsub(/_/, \"-\", c2);
830                     printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
831                 }
832             }
833         }"
834 }
835
836 print_enabled(){
837     suf=$1
838     shift
839     for v; do
840         enabled $v && printf "%s\n" ${v%$suf}
841     done
842 }
843
844 append(){
845     var=$1
846     shift
847     eval "$var=\"\$$var $*\""
848 }
849
850 prepend(){
851     var=$1
852     shift
853     eval "$var=\"$* \$$var\""
854 }
855
856 reverse () {
857     eval '
858         reverse_out=
859         for v in $'$1'; do
860             reverse_out="$v $reverse_out"
861         done
862         '$1'=$reverse_out
863     '
864 }
865
866 # keeps the last occurence of each non-unique item
867 unique(){
868     unique_out=
869     eval unique_in=\$$1
870     reverse unique_in
871     for v in $unique_in; do
872         # " $unique_out" +space such that every item is surrounded with spaces
873         case " $unique_out" in *" $v "*) continue; esac  # already in list
874         unique_out="$unique_out$v "
875     done
876     reverse unique_out
877     eval $1=\$unique_out
878 }
879
880 resolve(){
881     resolve_out=
882     eval resolve_in=\$$1
883     for v in $resolve_in; do
884         eval 'resolve_out="$resolve_out$'$v' "'
885     done
886     eval $1=\$resolve_out
887 }
888
889 add_cppflags(){
890     append CPPFLAGS "$@"
891 }
892
893 add_cflags(){
894     append CFLAGS $($cflags_filter "$@")
895 }
896
897 add_cflags_headers(){
898     append CFLAGS_HEADERS $($cflags_filter "$@")
899 }
900
901 add_cxxflags(){
902     append CXXFLAGS $($cflags_filter "$@")
903 }
904
905 add_objcflags(){
906     append OBJCFLAGS $($objcflags_filter "$@")
907 }
908
909 add_asflags(){
910     append ASFLAGS $($asflags_filter "$@")
911 }
912
913 add_ldflags(){
914     append LDFLAGS $($ldflags_filter "$@")
915 }
916
917 add_ldexeflags(){
918     append LDEXEFLAGS $($ldflags_filter "$@")
919 }
920
921 add_ldsoflags(){
922     append LDSOFLAGS $($ldflags_filter "$@")
923 }
924
925 add_extralibs(){
926     prepend extralibs $($ldflags_filter "$@")
927 }
928
929 add_stripflags(){
930     append ASMSTRIPFLAGS "$@"
931 }
932
933 add_host_cppflags(){
934     append host_cppflags "$@"
935 }
936
937 add_host_cflags(){
938     append host_cflags $($host_cflags_filter "$@")
939 }
940
941 add_host_ldflags(){
942     append host_ldflags $($host_ldflags_filter "$@")
943 }
944
945 add_compat(){
946     append compat_objs $1
947     shift
948     map 'add_cppflags -D$v' "$@"
949 }
950
951 test_cmd(){
952     log "$@"
953     "$@" >> $logfile 2>&1
954 }
955
956 test_stat(){
957     log test_stat "$@"
958     stat "$1" >> $logfile 2>&1
959 }
960
961 cc_e(){
962     eval printf '%s\\n' $CC_E
963 }
964
965 cc_o(){
966     eval printf '%s\\n' $CC_O
967 }
968
969 as_o(){
970     eval printf '%s\\n' $AS_O
971 }
972
973 x86asm_o(){
974     eval printf '%s\\n' $X86ASM_O
975 }
976
977 ld_o(){
978     eval printf '%s\\n' $LD_O
979 }
980
981 hostcc_e(){
982     eval printf '%s\\n' $HOSTCC_E
983 }
984
985 hostcc_o(){
986     eval printf '%s\\n' $HOSTCC_O
987 }
988
989 test_cc(){
990     log test_cc "$@"
991     cat > $TMPC
992     log_file $TMPC
993     test_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
994 }
995
996 test_cxx(){
997     log test_cxx "$@"
998     cat > $TMPCPP
999     log_file $TMPCPP
1000     test_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
1001 }
1002
1003 test_objcc(){
1004     log test_objcc "$@"
1005     cat > $TMPM
1006     log_file $TMPM
1007     test_cmd $objcc -Werror=missing-prototypes $CPPFLAGS $CFLAGS $OBJCFLAGS "$@" $OBJCC_C $(cc_o $TMPO) $TMPM
1008 }
1009
1010 test_cpp(){
1011     log test_cpp "$@"
1012     cat > $TMPC
1013     log_file $TMPC
1014     test_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
1015 }
1016
1017 test_as(){
1018     log test_as "$@"
1019     cat > $TMPS
1020     log_file $TMPS
1021     test_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
1022 }
1023
1024 test_x86asm(){
1025     log test_x86asm "$@"
1026     echo "$1" > $TMPASM
1027     log_file $TMPASM
1028     shift
1029     test_cmd $x86asmexe $X86ASMFLAGS -Werror "$@" $(x86asm_o $TMPO) $TMPASM
1030 }
1031
1032 check_cmd(){
1033     log check_cmd "$@"
1034     cmd=$1
1035     disabled $cmd && return
1036     disable $cmd
1037     test_cmd $@ && enable $cmd
1038 }
1039
1040 check_as(){
1041     log check_as "$@"
1042     name=$1
1043     code=$2
1044     shift 2
1045     disable $name
1046     test_as $@ <<EOF && enable $name
1047 $code
1048 EOF
1049 }
1050
1051 check_inline_asm(){
1052     log check_inline_asm "$@"
1053     name="$1"
1054     code="$2"
1055     shift 2
1056     disable $name
1057     test_cc "$@" <<EOF && enable $name
1058 void foo(void){ __asm__ volatile($code); }
1059 EOF
1060 }
1061
1062 check_inline_asm_flags(){
1063     log check_inline_asm_flags "$@"
1064     name="$1"
1065     code="$2"
1066     flags=''
1067     shift 2
1068     while [ "$1" != "" ]; do
1069       append flags $1
1070       shift
1071     done;
1072     disable $name
1073     cat > $TMPC <<EOF
1074 void foo(void){ __asm__ volatile($code); }
1075 EOF
1076     log_file $TMPC
1077     test_cmd $cc $CPPFLAGS $CFLAGS $flags "$@" $CC_C $(cc_o $TMPO) $TMPC &&
1078     enable $name && add_cflags $flags && add_asflags $flags && add_ldflags $flags
1079 }
1080
1081 check_insn(){
1082     log check_insn "$@"
1083     check_inline_asm ${1}_inline "\"$2\""
1084     check_as ${1}_external "$2"
1085 }
1086
1087 check_x86asm(){
1088     log check_x86asm "$@"
1089     name=$1
1090     shift
1091     disable $name
1092     test_x86asm "$@" && enable $name
1093 }
1094
1095 test_ld(){
1096     log test_ld "$@"
1097     type=$1
1098     shift 1
1099     flags=$(filter_out '-l*|*.so' $@)
1100     libs=$(filter '-l*|*.so' $@)
1101     test_$type $($cflags_filter $flags) || return
1102     flags=$($ldflags_filter $flags)
1103     libs=$($ldflags_filter $libs)
1104     test_cmd $ld $LDFLAGS $LDEXEFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
1105 }
1106
1107 check_ld(){
1108     log check_ld "$@"
1109     type=$1
1110     name=$2
1111     shift 2
1112     disable $name
1113     test_ld $type $@ && enable $name
1114 }
1115
1116 print_include(){
1117     hdr=$1
1118     test "${hdr%.h}" = "${hdr}" &&
1119         echo "#include $hdr"    ||
1120         echo "#include <$hdr>"
1121 }
1122
1123 test_code(){
1124     log test_code "$@"
1125     check=$1
1126     headers=$2
1127     code=$3
1128     shift 3
1129     {
1130         for hdr in $headers; do
1131             print_include $hdr
1132         done
1133         echo "int main(void) { $code; return 0; }"
1134     } | test_$check "$@"
1135 }
1136
1137 check_cppflags(){
1138     log check_cppflags "$@"
1139     test_cpp "$@" <<EOF && append CPPFLAGS "$@"
1140 #include <stdlib.h>
1141 EOF
1142 }
1143
1144 test_cflags(){
1145     log test_cflags "$@"
1146     set -- $($cflags_filter "$@")
1147     test_cc "$@" <<EOF
1148 int x;
1149 EOF
1150 }
1151
1152 check_cflags(){
1153     log check_cflags "$@"
1154     test_cflags "$@" && add_cflags "$@"
1155 }
1156
1157 check_cxxflags(){
1158     log check_cxxflags "$@"
1159     set -- $($cflags_filter "$@")
1160     test_cxx "$@" <<EOF && append CXXFLAGS "$@"
1161 int x;
1162 EOF
1163 }
1164
1165 test_objcflags(){
1166     log test_objcflags "$@"
1167     set -- $($objcflags_filter "$@")
1168     test_objcc "$@" <<EOF
1169 int x;
1170 EOF
1171 }
1172
1173 check_objcflags(){
1174     log check_objcflags "$@"
1175     test_objcflags "$@" && add_objcflags "$@"
1176 }
1177
1178 test_ldflags(){
1179     log test_ldflags "$@"
1180     set -- $($ldflags_filter "$@")
1181     test_ld "cc" "$@" <<EOF
1182 int main(void){ return 0; }
1183 EOF
1184 }
1185
1186 check_ldflags(){
1187     log check_ldflags "$@"
1188     test_ldflags "$@" && add_ldflags "$@"
1189 }
1190
1191 test_stripflags(){
1192     log test_stripflags "$@"
1193     # call test_cc to get a fresh TMPO
1194     test_cc <<EOF
1195 int main(void) { return 0; }
1196 EOF
1197     test_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO
1198 }
1199
1200 check_stripflags(){
1201     log check_stripflags "$@"
1202     test_stripflags "$@" && add_stripflags "$@"
1203 }
1204
1205 check_headers(){
1206     log check_headers "$@"
1207     headers=$1
1208     shift
1209     disable_sanitized $headers
1210     {
1211         for hdr in $headers; do
1212             print_include $hdr
1213         done
1214         echo "int x;"
1215     } | test_cpp "$@" && enable_sanitized $headers
1216 }
1217
1218 check_header_objcc(){
1219     log check_header_objcc "$@"
1220     rm -f -- "$TMPO"
1221     header=$1
1222     shift
1223     disable_sanitized $header
1224     {
1225        echo "#include <$header>"
1226        echo "int main(void) { return 0; }"
1227     } | test_objcc && test_stat "$TMPO" && enable_sanitized $header
1228 }
1229
1230 check_apple_framework(){
1231     log check_apple_framework "$@"
1232     framework="$1"
1233     name="$(tolower $framework)"
1234     header="${framework}/${framework}.h"
1235     disable $name
1236     check_header_objcc $header &&
1237         enable $name && eval ${name}_extralibs='"-framework $framework"'
1238 }
1239
1240 check_func(){
1241     log check_func "$@"
1242     func=$1
1243     shift
1244     disable $func
1245     test_ld "cc" "$@" <<EOF && enable $func
1246 extern int $func();
1247 int main(void){ $func(); }
1248 EOF
1249 }
1250
1251 check_complexfunc(){
1252     log check_complexfunc "$@"
1253     func=$1
1254     narg=$2
1255     shift 2
1256     test $narg = 2 && args="f, g" || args="f * I"
1257     disable $func
1258     test_ld "cc" "$@" <<EOF && enable $func
1259 #include <complex.h>
1260 #include <math.h>
1261 float foo(complex float f, complex float g) { return $func($args); }
1262 int main(void){ return (int) foo; }
1263 EOF
1264 }
1265
1266 check_mathfunc(){
1267     log check_mathfunc "$@"
1268     func=$1
1269     narg=$2
1270     shift 2
1271     test $narg = 2 && args="f, g" || args="f"
1272     disable $func
1273     test_ld "cc" "$@" <<EOF && enable $func
1274 #include <math.h>
1275 float foo(float f, float g) { return $func($args); }
1276 int main(void){ return (int) foo; }
1277 EOF
1278 }
1279
1280 check_func_headers(){
1281     log check_func_headers "$@"
1282     headers=$1
1283     funcs=$2
1284     shift 2
1285     {
1286         for hdr in $headers; do
1287             print_include $hdr
1288         done
1289         echo "#include <stdint.h>"
1290         for func in $funcs; do
1291             echo "long check_$func(void) { return (long) $func; }"
1292         done
1293         echo "int main(void) { int ret = 0;"
1294         # LTO could optimize out the test functions without this
1295         for func in $funcs; do
1296             echo " ret |= ((intptr_t)check_$func) & 0xFFFF;"
1297         done
1298         echo "return ret; }"
1299     } | test_ld "cc" "$@" && enable $funcs && enable_sanitized $headers
1300 }
1301
1302 check_class_headers_cpp(){
1303     log check_class_headers_cpp "$@"
1304     headers=$1
1305     classes=$2
1306     shift 2
1307     {
1308         for hdr in $headers; do
1309             echo "#include <$hdr>"
1310         done
1311         echo "int main(void) { "
1312         i=1
1313         for class in $classes; do
1314             echo "$class obj$i;"
1315             i=$(expr $i + 1)
1316         done
1317         echo "return 0; }"
1318     } | test_ld "cxx" "$@" && enable $funcs && enable_sanitized $headers
1319 }
1320
1321 test_cpp_condition(){
1322     log test_cpp_condition "$@"
1323     header=$1
1324     condition=$2
1325     shift 2
1326     test_cpp "$@" <<EOF
1327 #include <$header>
1328 #if !($condition)
1329 #error "unsatisfied condition: $condition"
1330 #endif
1331 EOF
1332 }
1333
1334 check_cpp_condition(){
1335     log check_cpp_condition "$@"
1336     name=$1
1337     shift 1
1338     disable $name
1339     test_cpp_condition "$@" && enable $name
1340 }
1341
1342 test_cflags_cc(){
1343     log test_cflags_cc "$@"
1344     flags=$1
1345     header=$2
1346     condition=$3
1347     shift 3
1348     set -- $($cflags_filter "$flags")
1349     test_cc "$@" <<EOF
1350 #include <$header>
1351 #if !($condition)
1352 #error "unsatisfied condition: $condition"
1353 #endif
1354 EOF
1355 }
1356
1357 check_lib(){
1358     log check_lib "$@"
1359     name="$1"
1360     headers="$2"
1361     funcs="$3"
1362     shift 3
1363     disable $name
1364     check_func_headers "$headers" "$funcs" "$@" &&
1365         enable $name && eval ${name}_extralibs="\$@"
1366 }
1367
1368 check_lib_cpp(){
1369     log check_lib_cpp "$@"
1370     name="$1"
1371     headers="$2"
1372     classes="$3"
1373     shift 3
1374     disable $name
1375     check_class_headers_cpp "$headers" "$classes" "$@" &&
1376         enable $name && eval ${name}_extralibs="\$@"
1377 }
1378
1379 test_pkg_config(){
1380     log test_pkg_config "$@"
1381     name="$1"
1382     pkg_version="$2"
1383     pkg="${2%% *}"
1384     headers="$3"
1385     funcs="$4"
1386     shift 4
1387     disable $name
1388     test_cmd $pkg_config --exists --print-errors $pkg_version || return
1389     pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1390     pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1391     check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1392         enable $name &&
1393         set_sanitized "${name}_cflags"    $pkg_cflags &&
1394         set_sanitized "${name}_extralibs" $pkg_libs
1395 }
1396
1397 check_pkg_config(){
1398     log check_pkg_config "$@"
1399     name="$1"
1400     test_pkg_config "$@" &&
1401         eval add_cflags \$${name}_cflags
1402 }
1403
1404 test_exec(){
1405     test_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1406 }
1407
1408 check_exec_crash(){
1409     log check_exec_crash "$@"
1410     code=$(cat)
1411
1412     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
1413     # are safe but may not be available everywhere.  Thus we use
1414     # raise(SIGTERM) instead.  The check is run in a subshell so we
1415     # can redirect the "Terminated" message from the shell.  SIGBUS
1416     # is not defined by standard C so it is used conditionally.
1417
1418     (test_exec "$@") >> $logfile 2>&1 <<EOF
1419 #include <signal.h>
1420 static void sighandler(int sig){
1421     raise(SIGTERM);
1422 }
1423 int foo(void){
1424     $code
1425 }
1426 int (*func_ptr)(void) = foo;
1427 int main(void){
1428     signal(SIGILL, sighandler);
1429     signal(SIGFPE, sighandler);
1430     signal(SIGSEGV, sighandler);
1431 #ifdef SIGBUS
1432     signal(SIGBUS, sighandler);
1433 #endif
1434     return func_ptr();
1435 }
1436 EOF
1437 }
1438
1439 check_type(){
1440     log check_type "$@"
1441     headers=$1
1442     type=$2
1443     shift 2
1444     disable_sanitized "$type"
1445     test_code cc "$headers" "$type v" "$@" && enable_sanitized "$type"
1446 }
1447
1448 check_struct(){
1449     log check_struct "$@"
1450     headers=$1
1451     struct=$2
1452     member=$3
1453     shift 3
1454     disable_sanitized "${struct}_${member}"
1455     test_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1456         enable_sanitized "${struct}_${member}"
1457 }
1458
1459 check_builtin(){
1460     log check_builtin "$@"
1461     name=$1
1462     headers=$2
1463     builtin=$3
1464     shift 3
1465     disable "$name"
1466     test_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1467 }
1468
1469 check_compile_assert(){
1470     log check_compile_assert "$@"
1471     name=$1
1472     headers=$2
1473     condition=$3
1474     shift 3
1475     disable "$name"
1476     test_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1477 }
1478
1479 check_cc(){
1480     log check_cc "$@"
1481     name=$1
1482     shift
1483     disable "$name"
1484     test_code cc "$@" && enable "$name"
1485 }
1486
1487 require(){
1488     log require "$@"
1489     name_version="$1"
1490     name="${1%% *}"
1491     shift
1492     check_lib $name "$@" || die "ERROR: $name_version not found"
1493 }
1494
1495 require_cc(){
1496     log require_cc "$@"
1497     name="$1"
1498     check_cc "$@" || die "ERROR: $name failed"
1499 }
1500
1501 require_cpp(){
1502     name="$1"
1503     headers="$2"
1504     classes="$3"
1505     shift 3
1506     check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1507 }
1508
1509 require_headers(){
1510     log require_headers "$@"
1511     headers="$1"
1512     check_headers "$@" || die "ERROR: $headers not found"
1513 }
1514
1515 require_cpp_condition(){
1516     log require_cpp_condition "$@"
1517     condition="$3"
1518     check_cpp_condition "$@" || die "ERROR: $condition not satisfied"
1519 }
1520
1521 require_pkg_config(){
1522     log require_pkg_config "$@"
1523     pkg_version="$2"
1524     check_pkg_config "$@" || die "ERROR: $pkg_version not found using pkg-config$pkg_config_fail_message"
1525 }
1526
1527 test_host_cc(){
1528     log test_host_cc "$@"
1529     cat > $TMPC
1530     log_file $TMPC
1531     test_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1532 }
1533
1534 test_host_cpp(){
1535     log test_host_cpp "$@"
1536     cat > $TMPC
1537     log_file $TMPC
1538     test_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1539 }
1540
1541 check_host_cppflags(){
1542     log check_host_cppflags "$@"
1543     test_host_cpp "$@" <<EOF && append host_cppflags "$@"
1544 #include <stdlib.h>
1545 EOF
1546 }
1547
1548 check_host_cflags(){
1549     log check_host_cflags "$@"
1550     set -- $($host_cflags_filter "$@")
1551     test_host_cc "$@" <<EOF && append host_cflags "$@"
1552 int x;
1553 EOF
1554 }
1555
1556 test_host_cpp_condition(){
1557     log test_host_cpp_condition "$@"
1558     header=$1
1559     condition=$2
1560     shift 2
1561     test_host_cpp "$@" <<EOF
1562 #include <$header>
1563 #if !($condition)
1564 #error "unsatisfied condition: $condition"
1565 #endif
1566 EOF
1567 }
1568
1569 check_host_cpp_condition(){
1570     log check_host_cpp_condition "$@"
1571     name=$1
1572     shift 1
1573     disable $name
1574     test_host_cpp_condition "$@" && enable $name
1575 }
1576
1577 cp_if_changed(){
1578     cmp -s "$1" "$2" && { test "$quiet" != "yes" && echo "$2 is unchanged"; } && return
1579     mkdir -p "$(dirname $2)"
1580     cp -f "$1" "$2"
1581 }
1582
1583 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1584 # system-dependent things.
1585
1586 AVCODEC_COMPONENTS="
1587     bsfs
1588     decoders
1589     encoders
1590     hwaccels
1591     parsers
1592 "
1593
1594 AVDEVICE_COMPONENTS="
1595     indevs
1596     outdevs
1597 "
1598
1599 AVFILTER_COMPONENTS="
1600     filters
1601 "
1602
1603 AVFORMAT_COMPONENTS="
1604     demuxers
1605     muxers
1606     protocols
1607 "
1608
1609 COMPONENT_LIST="
1610     $AVCODEC_COMPONENTS
1611     $AVDEVICE_COMPONENTS
1612     $AVFILTER_COMPONENTS
1613     $AVFORMAT_COMPONENTS
1614 "
1615
1616 EXAMPLE_LIST="
1617     avio_dir_cmd_example
1618     avio_reading_example
1619     decode_audio_example
1620     decode_video_example
1621     demuxing_decoding_example
1622     encode_audio_example
1623     encode_video_example
1624     extract_mvs_example
1625     filter_audio_example
1626     filtering_audio_example
1627     filtering_video_example
1628     http_multiclient_example
1629     hw_decode_example
1630     metadata_example
1631     muxing_example
1632     qsvdec_example
1633     remuxing_example
1634     resampling_audio_example
1635     scaling_video_example
1636     transcode_aac_example
1637     transcoding_example
1638     vaapi_encode_example
1639     vaapi_transcode_example
1640 "
1641
1642 EXTERNAL_AUTODETECT_LIBRARY_LIST="
1643     alsa
1644     appkit
1645     avfoundation
1646     bzlib
1647     coreimage
1648     iconv
1649     libxcb
1650     libxcb_shm
1651     libxcb_shape
1652     libxcb_xfixes
1653     lzma
1654     schannel
1655     sdl2
1656     securetransport
1657     sndio
1658     xlib
1659     zlib
1660 "
1661
1662 EXTERNAL_LIBRARY_GPL_LIST="
1663     avisynth
1664     frei0r
1665     libcdio
1666     libdavs2
1667     librubberband
1668     libvidstab
1669     libx264
1670     libx265
1671     libxavs
1672     libxavs2
1673     libxvid
1674 "
1675
1676 EXTERNAL_LIBRARY_NONFREE_LIST="
1677     decklink
1678     libndi_newtek
1679     libfdk_aac
1680     openssl
1681     libtls
1682 "
1683
1684 EXTERNAL_LIBRARY_VERSION3_LIST="
1685     gmp
1686     liblensfun
1687     libopencore_amrnb
1688     libopencore_amrwb
1689     libvmaf
1690     libvo_amrwbenc
1691     mbedtls
1692     rkmpp
1693 "
1694
1695 EXTERNAL_LIBRARY_GPLV3_LIST="
1696     libsmbclient
1697 "
1698
1699 EXTERNAL_LIBRARY_LIST="
1700     $EXTERNAL_LIBRARY_GPL_LIST
1701     $EXTERNAL_LIBRARY_NONFREE_LIST
1702     $EXTERNAL_LIBRARY_VERSION3_LIST
1703     $EXTERNAL_LIBRARY_GPLV3_LIST
1704     chromaprint
1705     gcrypt
1706     gnutls
1707     jni
1708     ladspa
1709     libaom
1710     libass
1711     libbluray
1712     libbs2b
1713     libcaca
1714     libcelt
1715     libcodec2
1716     libdav1d
1717     libdc1394
1718     libdrm
1719     libflite
1720     libfontconfig
1721     libfreetype
1722     libfribidi
1723     libgme
1724     libgsm
1725     libiec61883
1726     libilbc
1727     libjack
1728     libklvanc
1729     libkvazaar
1730     libmodplug
1731     libmp3lame
1732     libmysofa
1733     libopencv
1734     libopenh264
1735     libopenjpeg
1736     libopenmpt
1737     libopus
1738     libpulse
1739     librsvg
1740     librtmp
1741     libshine
1742     libsmbclient
1743     libsnappy
1744     libsoxr
1745     libspeex
1746     libsrt
1747     libssh
1748     libtensorflow
1749     libtesseract
1750     libtheora
1751     libtwolame
1752     libv4l2
1753     libvorbis
1754     libvpx
1755     libwavpack
1756     libwebp
1757     libxml2
1758     libzimg
1759     libzmq
1760     libzvbi
1761     lv2
1762     mediacodec
1763     openal
1764     opengl
1765     vapoursynth
1766 "
1767
1768 HWACCEL_AUTODETECT_LIBRARY_LIST="
1769     amf
1770     audiotoolbox
1771     crystalhd
1772     cuda
1773     cuvid
1774     d3d11va
1775     dxva2
1776     ffnvcodec
1777     nvdec
1778     nvenc
1779     vaapi
1780     vdpau
1781     videotoolbox
1782     v4l2_m2m
1783     xvmc
1784 "
1785
1786 # catchall list of things that require external libs to link
1787 EXTRALIBS_LIST="
1788     cpu_init
1789     cws2fws
1790 "
1791
1792 HWACCEL_LIBRARY_NONFREE_LIST="
1793     cuda_sdk
1794     libnpp
1795 "
1796
1797 HWACCEL_LIBRARY_LIST="
1798     $HWACCEL_LIBRARY_NONFREE_LIST
1799     libmfx
1800     mmal
1801     omx
1802     opencl
1803 "
1804
1805 DOCUMENT_LIST="
1806     doc
1807     htmlpages
1808     manpages
1809     podpages
1810     txtpages
1811 "
1812
1813 FEATURE_LIST="
1814     ftrapv
1815     gray
1816     hardcoded_tables
1817     omx_rpi
1818     runtime_cpudetect
1819     safe_bitstream_reader
1820     shared
1821     small
1822     static
1823     swscale_alpha
1824 "
1825
1826 # this list should be kept in linking order
1827 LIBRARY_LIST="
1828     avdevice
1829     avfilter
1830     swscale
1831     postproc
1832     avformat
1833     avcodec
1834     swresample
1835     avresample
1836     avutil
1837 "
1838
1839 LICENSE_LIST="
1840     gpl
1841     nonfree
1842     version3
1843 "
1844
1845 PROGRAM_LIST="
1846     ffplay
1847     ffprobe
1848     ffmpeg
1849 "
1850
1851 SUBSYSTEM_LIST="
1852     dct
1853     dwt
1854     error_resilience
1855     faan
1856     fast_unaligned
1857     fft
1858     lsp
1859     lzo
1860     mdct
1861     pixelutils
1862     network
1863     rdft
1864 "
1865
1866 # COMPONENT_LIST needs to come last to ensure correct dependency checking
1867 CONFIG_LIST="
1868     $DOCUMENT_LIST
1869     $EXAMPLE_LIST
1870     $EXTERNAL_LIBRARY_LIST
1871     $EXTERNAL_AUTODETECT_LIBRARY_LIST
1872     $HWACCEL_LIBRARY_LIST
1873     $HWACCEL_AUTODETECT_LIBRARY_LIST
1874     $FEATURE_LIST
1875     $LICENSE_LIST
1876     $LIBRARY_LIST
1877     $PROGRAM_LIST
1878     $SUBSYSTEM_LIST
1879     autodetect
1880     fontconfig
1881     linux_perf
1882     memory_poisoning
1883     neon_clobber_test
1884     ossfuzz
1885     pic
1886     thumb
1887     valgrind_backtrace
1888     xmm_clobber_test
1889     $COMPONENT_LIST
1890 "
1891
1892 THREADS_LIST="
1893     pthreads
1894     os2threads
1895     w32threads
1896 "
1897
1898 ATOMICS_LIST="
1899     atomics_gcc
1900     atomics_suncc
1901     atomics_win32
1902 "
1903
1904 AUTODETECT_LIBS="
1905     $EXTERNAL_AUTODETECT_LIBRARY_LIST
1906     $HWACCEL_AUTODETECT_LIBRARY_LIST
1907     $THREADS_LIST
1908 "
1909
1910 ARCH_LIST="
1911     aarch64
1912     alpha
1913     arm
1914     avr32
1915     avr32_ap
1916     avr32_uc
1917     bfin
1918     ia64
1919     m68k
1920     mips
1921     mips64
1922     parisc
1923     ppc
1924     ppc64
1925     s390
1926     sh4
1927     sparc
1928     sparc64
1929     tilegx
1930     tilepro
1931     tomi
1932     x86
1933     x86_32
1934     x86_64
1935 "
1936
1937 ARCH_EXT_LIST_ARM="
1938     armv5te
1939     armv6
1940     armv6t2
1941     armv8
1942     neon
1943     vfp
1944     vfpv3
1945     setend
1946 "
1947
1948 ARCH_EXT_LIST_MIPS="
1949     mipsfpu
1950     mips32r2
1951     mips32r5
1952     mips64r2
1953     mips32r6
1954     mips64r6
1955     mipsdsp
1956     mipsdspr2
1957     msa
1958 "
1959
1960 ARCH_EXT_LIST_LOONGSON="
1961     loongson2
1962     loongson3
1963     mmi
1964 "
1965
1966 ARCH_EXT_LIST_X86_SIMD="
1967     aesni
1968     amd3dnow
1969     amd3dnowext
1970     avx
1971     avx2
1972     avx512
1973     fma3
1974     fma4
1975     mmx
1976     mmxext
1977     sse
1978     sse2
1979     sse3
1980     sse4
1981     sse42
1982     ssse3
1983     xop
1984 "
1985
1986 ARCH_EXT_LIST_PPC="
1987     altivec
1988     dcbzl
1989     ldbrx
1990     power8
1991     ppc4xx
1992     vsx
1993 "
1994
1995 ARCH_EXT_LIST_X86="
1996     $ARCH_EXT_LIST_X86_SIMD
1997     cpunop
1998     i686
1999 "
2000
2001 ARCH_EXT_LIST="
2002     $ARCH_EXT_LIST_ARM
2003     $ARCH_EXT_LIST_PPC
2004     $ARCH_EXT_LIST_X86
2005     $ARCH_EXT_LIST_MIPS
2006     $ARCH_EXT_LIST_LOONGSON
2007 "
2008
2009 ARCH_FEATURES="
2010     aligned_stack
2011     fast_64bit
2012     fast_clz
2013     fast_cmov
2014     local_aligned
2015     simd_align_16
2016     simd_align_32
2017     simd_align_64
2018 "
2019
2020 BUILTIN_LIST="
2021     atomic_cas_ptr
2022     machine_rw_barrier
2023     MemoryBarrier
2024     mm_empty
2025     rdtsc
2026     sem_timedwait
2027     sync_val_compare_and_swap
2028 "
2029 HAVE_LIST_CMDLINE="
2030     inline_asm
2031     symver
2032     x86asm
2033 "
2034
2035 HAVE_LIST_PUB="
2036     bigendian
2037     fast_unaligned
2038 "
2039
2040 HEADERS_LIST="
2041     arpa_inet_h
2042     asm_types_h
2043     cdio_paranoia_h
2044     cdio_paranoia_paranoia_h
2045     cuda_h
2046     dispatch_dispatch_h
2047     dev_bktr_ioctl_bt848_h
2048     dev_bktr_ioctl_meteor_h
2049     dev_ic_bt8xx_h
2050     dev_video_bktr_ioctl_bt848_h
2051     dev_video_meteor_ioctl_meteor_h
2052     direct_h
2053     dirent_h
2054     dxgidebug_h
2055     dxva_h
2056     ES2_gl_h
2057     gsm_h
2058     io_h
2059     linux_perf_event_h
2060     machine_ioctl_bt848_h
2061     machine_ioctl_meteor_h
2062     malloc_h
2063     opencv2_core_core_c_h
2064     OpenGL_gl3_h
2065     poll_h
2066     sys_param_h
2067     sys_resource_h
2068     sys_select_h
2069     sys_soundcard_h
2070     sys_time_h
2071     sys_un_h
2072     sys_videoio_h
2073     termios_h
2074     udplite_h
2075     unistd_h
2076     valgrind_valgrind_h
2077     windows_h
2078     winsock2_h
2079 "
2080
2081 INTRINSICS_LIST="
2082     intrinsics_neon
2083 "
2084
2085 COMPLEX_FUNCS="
2086     cabs
2087     cexp
2088 "
2089
2090 MATH_FUNCS="
2091     atanf
2092     atan2f
2093     cbrt
2094     cbrtf
2095     copysign
2096     cosf
2097     erf
2098     exp2
2099     exp2f
2100     expf
2101     hypot
2102     isfinite
2103     isinf
2104     isnan
2105     ldexpf
2106     llrint
2107     llrintf
2108     log2
2109     log2f
2110     log10f
2111     lrint
2112     lrintf
2113     powf
2114     rint
2115     round
2116     roundf
2117     sinf
2118     trunc
2119     truncf
2120 "
2121
2122 SYSTEM_FEATURES="
2123     dos_paths
2124     libc_msvcrt
2125     MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS
2126     section_data_rel_ro
2127     threads
2128     uwp
2129     winrt
2130 "
2131
2132 SYSTEM_FUNCS="
2133     access
2134     aligned_malloc
2135     arc4random
2136     clock_gettime
2137     closesocket
2138     CommandLineToArgvW
2139     fcntl
2140     getaddrinfo
2141     gethrtime
2142     getopt
2143     GetProcessAffinityMask
2144     GetProcessMemoryInfo
2145     GetProcessTimes
2146     getrusage
2147     GetSystemTimeAsFileTime
2148     gettimeofday
2149     glob
2150     glXGetProcAddress
2151     gmtime_r
2152     inet_aton
2153     isatty
2154     kbhit
2155     localtime_r
2156     lstat
2157     lzo1x_999_compress
2158     mach_absolute_time
2159     MapViewOfFile
2160     memalign
2161     mkstemp
2162     mmap
2163     mprotect
2164     nanosleep
2165     PeekNamedPipe
2166     posix_memalign
2167     pthread_cancel
2168     sched_getaffinity
2169     SecItemImport
2170     SetConsoleTextAttribute
2171     SetConsoleCtrlHandler
2172     setmode
2173     setrlimit
2174     Sleep
2175     strerror_r
2176     sysconf
2177     sysctl
2178     usleep
2179     UTGetOSTypeFromString
2180     VirtualAlloc
2181     wglGetProcAddress
2182 "
2183
2184 SYSTEM_LIBRARIES="
2185     bcrypt
2186     vaapi_drm
2187     vaapi_x11
2188     vdpau_x11
2189 "
2190
2191 TOOLCHAIN_FEATURES="
2192     as_arch_directive
2193     as_dn_directive
2194     as_fpu_directive
2195     as_func
2196     as_object_arch
2197     asm_mod_q
2198     blocks_extension
2199     ebp_available
2200     ebx_available
2201     gnu_as
2202     gnu_windres
2203     ibm_asm
2204     inline_asm_direct_symbol_refs
2205     inline_asm_labels
2206     inline_asm_nonlocal_labels
2207     pragma_deprecated
2208     rsync_contimeout
2209     symver_asm_label
2210     symver_gnu_asm
2211     vfp_args
2212     xform_asm
2213     xmm_clobbers
2214 "
2215
2216 TYPES_LIST="
2217     kCMVideoCodecType_HEVC
2218     socklen_t
2219     struct_addrinfo
2220     struct_group_source_req
2221     struct_ip_mreq_source
2222     struct_ipv6_mreq
2223     struct_msghdr_msg_flags
2224     struct_pollfd
2225     struct_rusage_ru_maxrss
2226     struct_sctp_event_subscribe
2227     struct_sockaddr_in6
2228     struct_sockaddr_sa_len
2229     struct_sockaddr_storage
2230     struct_stat_st_mtim_tv_nsec
2231     struct_v4l2_frmivalenum_discrete
2232 "
2233
2234 HAVE_LIST="
2235     $ARCH_EXT_LIST
2236     $(add_suffix _external $ARCH_EXT_LIST)
2237     $(add_suffix _inline   $ARCH_EXT_LIST)
2238     $ARCH_FEATURES
2239     $BUILTIN_LIST
2240     $COMPLEX_FUNCS
2241     $HAVE_LIST_CMDLINE
2242     $HAVE_LIST_PUB
2243     $HEADERS_LIST
2244     $INTRINSICS_LIST
2245     $MATH_FUNCS
2246     $SYSTEM_FEATURES
2247     $SYSTEM_FUNCS
2248     $SYSTEM_LIBRARIES
2249     $THREADS_LIST
2250     $TOOLCHAIN_FEATURES
2251     $TYPES_LIST
2252     makeinfo
2253     makeinfo_html
2254     opencl_d3d11
2255     opencl_drm_arm
2256     opencl_drm_beignet
2257     opencl_dxva2
2258     opencl_vaapi_beignet
2259     opencl_vaapi_intel_media
2260     perl
2261     pod2man
2262     texi2html
2263 "
2264
2265 # options emitted with CONFIG_ prefix but not available on the command line
2266 CONFIG_EXTRA="
2267     aandcttables
2268     ac3dsp
2269     adts_header
2270     audio_frame_queue
2271     audiodsp
2272     blockdsp
2273     bswapdsp
2274     cabac
2275     cbs
2276     cbs_av1
2277     cbs_h264
2278     cbs_h265
2279     cbs_jpeg
2280     cbs_mpeg2
2281     cbs_vp9
2282     dirac_parse
2283     dnn
2284     dvprofile
2285     exif
2286     faandct
2287     faanidct
2288     fdctdsp
2289     flacdsp
2290     fmtconvert
2291     frame_thread_encoder
2292     g722dsp
2293     golomb
2294     gplv3
2295     h263dsp
2296     h264chroma
2297     h264dsp
2298     h264parse
2299     h264pred
2300     h264qpel
2301     hevcparse
2302     hpeldsp
2303     huffman
2304     huffyuvdsp
2305     huffyuvencdsp
2306     idctdsp
2307     iirfilter
2308     mdct15
2309     intrax8
2310     iso_media
2311     ividsp
2312     jpegtables
2313     lgplv3
2314     libx262
2315     llauddsp
2316     llviddsp
2317     llvidencdsp
2318     lpc
2319     lzf
2320     me_cmp
2321     mpeg_er
2322     mpegaudio
2323     mpegaudiodsp
2324     mpegaudioheader
2325     mpegvideo
2326     mpegvideoenc
2327     mss34dsp
2328     pixblockdsp
2329     qpeldsp
2330     qsv
2331     qsvdec
2332     qsvenc
2333     qsvvpp
2334     rangecoder
2335     riffdec
2336     riffenc
2337     rtpdec
2338     rtpenc_chain
2339     rv34dsp
2340     sinewin
2341     snappy
2342     srtp
2343     startcode
2344     texturedsp
2345     texturedspenc
2346     tpeldsp
2347     vaapi_1
2348     vaapi_encode
2349     vc1dsp
2350     videodsp
2351     vp3dsp
2352     vp56dsp
2353     vp8dsp
2354     wma_freqs
2355     wmv2dsp
2356 "
2357
2358 CMDLINE_SELECT="
2359     $ARCH_EXT_LIST
2360     $CONFIG_LIST
2361     $HAVE_LIST_CMDLINE
2362     $THREADS_LIST
2363     asm
2364     cross_compile
2365     debug
2366     extra_warnings
2367     logging
2368     lto
2369     optimizations
2370     rpath
2371     stripping
2372 "
2373
2374 PATHS_LIST="
2375     bindir
2376     datadir
2377     docdir
2378     incdir
2379     libdir
2380     mandir
2381     pkgconfigdir
2382     prefix
2383     shlibdir
2384     install_name_dir
2385 "
2386
2387 CMDLINE_SET="
2388     $PATHS_LIST
2389     ar
2390     arch
2391     as
2392     assert_level
2393     build_suffix
2394     cc
2395     objcc
2396     cpu
2397     cross_prefix
2398     custom_allocator
2399     cxx
2400     dep_cc
2401     doxygen
2402     env
2403     extra_version
2404     gas
2405     host_cc
2406     host_cflags
2407     host_extralibs
2408     host_ld
2409     host_ldflags
2410     host_os
2411     ignore_tests
2412     install
2413     ld
2414     ln_s
2415     logfile
2416     malloc_prefix
2417     nm
2418     optflags
2419     nvcc
2420     nvccflags
2421     pkg_config
2422     pkg_config_flags
2423     progs_suffix
2424     random_seed
2425     ranlib
2426     samples
2427     strip
2428     sws_max_filter_size
2429     sysinclude
2430     sysroot
2431     target_exec
2432     target_os
2433     target_path
2434     target_samples
2435     tempprefix
2436     toolchain
2437     valgrind
2438     x86asmexe
2439 "
2440
2441 CMDLINE_APPEND="
2442     extra_cflags
2443     extra_cxxflags
2444     extra_objcflags
2445     host_cppflags
2446 "
2447
2448 # code dependency declarations
2449
2450 # architecture extensions
2451
2452 armv5te_deps="arm"
2453 armv6_deps="arm"
2454 armv6t2_deps="arm"
2455 armv8_deps="aarch64"
2456 neon_deps_any="aarch64 arm"
2457 intrinsics_neon_deps="neon"
2458 vfp_deps_any="aarch64 arm"
2459 vfpv3_deps="vfp"
2460 setend_deps="arm"
2461
2462 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
2463
2464 altivec_deps="ppc"
2465 dcbzl_deps="ppc"
2466 ldbrx_deps="ppc"
2467 ppc4xx_deps="ppc"
2468 vsx_deps="altivec"
2469 power8_deps="vsx"
2470
2471 loongson2_deps="mips"
2472 loongson3_deps="mips"
2473 mips32r2_deps="mips"
2474 mips32r5_deps="mips"
2475 mips32r6_deps="mips"
2476 mips64r2_deps="mips"
2477 mips64r6_deps="mips"
2478 mipsfpu_deps="mips"
2479 mipsdsp_deps="mips"
2480 mipsdspr2_deps="mips"
2481 mmi_deps="mips"
2482 msa_deps="mipsfpu"
2483
2484 cpunop_deps="i686"
2485 x86_64_select="i686"
2486 x86_64_suggest="fast_cmov"
2487
2488 amd3dnow_deps="mmx"
2489 amd3dnowext_deps="amd3dnow"
2490 i686_deps="x86"
2491 mmx_deps="x86"
2492 mmxext_deps="mmx"
2493 sse_deps="mmxext"
2494 sse2_deps="sse"
2495 sse3_deps="sse2"
2496 ssse3_deps="sse3"
2497 sse4_deps="ssse3"
2498 sse42_deps="sse4"
2499 aesni_deps="sse42"
2500 avx_deps="sse42"
2501 xop_deps="avx"
2502 fma3_deps="avx"
2503 fma4_deps="avx"
2504 avx2_deps="avx"
2505 avx512_deps="avx2"
2506
2507 mmx_external_deps="x86asm"
2508 mmx_inline_deps="inline_asm x86"
2509 mmx_suggest="mmx_external mmx_inline"
2510
2511 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
2512     eval dep=\$${ext}_deps
2513     eval ${ext}_external_deps='"${dep}_external"'
2514     eval ${ext}_inline_deps='"${dep}_inline"'
2515     eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
2516 done
2517
2518 aligned_stack_if_any="aarch64 ppc x86"
2519 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
2520 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
2521 fast_unaligned_if_any="aarch64 ppc x86"
2522 simd_align_16_if_any="altivec neon sse"
2523 simd_align_32_if_any="avx"
2524 simd_align_64_if_any="avx512"
2525
2526 # system capabilities
2527 linux_perf_deps="linux_perf_event_h"
2528 symver_if_any="symver_asm_label symver_gnu_asm"
2529 valgrind_backtrace_conflict="optimizations"
2530 valgrind_backtrace_deps="valgrind_valgrind_h"
2531
2532 # threading support
2533 atomics_gcc_if="sync_val_compare_and_swap"
2534 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
2535 atomics_win32_if="MemoryBarrier"
2536 atomics_native_if_any="$ATOMICS_LIST"
2537 w32threads_deps="atomics_native"
2538 threads_if_any="$THREADS_LIST"
2539
2540 # subsystems
2541 cbs_av1_select="cbs"
2542 cbs_h264_select="cbs golomb"
2543 cbs_h265_select="cbs golomb"
2544 cbs_jpeg_select="cbs"
2545 cbs_mpeg2_select="cbs"
2546 cbs_vp9_select="cbs"
2547 dct_select="rdft"
2548 dirac_parse_select="golomb"
2549 dnn_suggest="libtensorflow"
2550 error_resilience_select="me_cmp"
2551 faandct_deps="faan"
2552 faandct_select="fdctdsp"
2553 faanidct_deps="faan"
2554 faanidct_select="idctdsp"
2555 h264dsp_select="startcode"
2556 hevcparse_select="golomb"
2557 frame_thread_encoder_deps="encoders threads"
2558 intrax8_select="blockdsp idctdsp"
2559 mdct_select="fft"
2560 mdct15_select="fft"
2561 me_cmp_select="fdctdsp idctdsp pixblockdsp"
2562 mpeg_er_select="error_resilience"
2563 mpegaudio_select="mpegaudiodsp mpegaudioheader"
2564 mpegaudiodsp_select="dct"
2565 mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp mpeg_er videodsp"
2566 mpegvideoenc_select="aandcttables me_cmp mpegvideo pixblockdsp qpeldsp"
2567 vc1dsp_select="h264chroma qpeldsp startcode"
2568 rdft_select="fft"
2569
2570 # decoders / encoders
2571 aac_decoder_select="adts_header mdct15 mdct sinewin"
2572 aac_fixed_decoder_select="adts_header mdct sinewin"
2573 aac_encoder_select="audio_frame_queue iirfilter lpc mdct sinewin"
2574 aac_latm_decoder_select="aac_decoder aac_latm_parser"
2575 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
2576 ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"
2577 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
2578 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
2579 adpcm_g722_decoder_select="g722dsp"
2580 adpcm_g722_encoder_select="g722dsp"
2581 aic_decoder_select="golomb idctdsp"
2582 alac_encoder_select="lpc"
2583 als_decoder_select="bswapdsp"
2584 amrnb_decoder_select="lsp"
2585 amrwb_decoder_select="lsp"
2586 amv_decoder_select="sp5x_decoder exif"
2587 amv_encoder_select="jpegtables mpegvideoenc"
2588 ape_decoder_select="bswapdsp llauddsp"
2589 apng_decoder_deps="zlib"
2590 apng_encoder_deps="zlib"
2591 apng_encoder_select="llvidencdsp"
2592 aptx_decoder_select="audio_frame_queue"
2593 aptx_encoder_select="audio_frame_queue"
2594 aptx_hd_decoder_select="audio_frame_queue"
2595 aptx_hd_encoder_select="audio_frame_queue"
2596 asv1_decoder_select="blockdsp bswapdsp idctdsp"
2597 asv1_encoder_select="aandcttables bswapdsp fdctdsp pixblockdsp"
2598 asv2_decoder_select="blockdsp bswapdsp idctdsp"
2599 asv2_encoder_select="aandcttables bswapdsp fdctdsp pixblockdsp"
2600 atrac1_decoder_select="mdct sinewin"
2601 atrac3_decoder_select="mdct"
2602 atrac3p_decoder_select="mdct sinewin"
2603 atrac9_decoder_select="mdct"
2604 avrn_decoder_select="exif jpegtables"
2605 bink_decoder_select="blockdsp hpeldsp"
2606 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
2607 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
2608 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
2609 clearvideo_decoder_select="idctdsp"
2610 cllc_decoder_select="bswapdsp"
2611 comfortnoise_encoder_select="lpc"
2612 cook_decoder_select="audiodsp mdct sinewin"
2613 cscd_decoder_select="lzo"
2614 cscd_decoder_suggest="zlib"
2615 dca_decoder_select="mdct"
2616 dds_decoder_select="texturedsp"
2617 dirac_decoder_select="dirac_parse dwt golomb videodsp mpegvideoenc"
2618 dnxhd_decoder_select="blockdsp idctdsp"
2619 dnxhd_encoder_select="blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
2620 dolby_e_decoder_select="mdct"
2621 dvvideo_decoder_select="dvprofile idctdsp"
2622 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
2623 dxa_decoder_deps="zlib"
2624 dxv_decoder_select="lzf texturedsp"
2625 eac3_decoder_select="ac3_decoder"
2626 eac3_encoder_select="ac3_encoder"
2627 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
2628 eatgq_decoder_select="aandcttables"
2629 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp"
2630 exr_decoder_deps="zlib"
2631 ffv1_decoder_select="rangecoder"
2632 ffv1_encoder_select="rangecoder"
2633 ffvhuff_decoder_select="huffyuv_decoder"
2634 ffvhuff_encoder_select="huffyuv_encoder"
2635 fic_decoder_select="golomb"
2636 flac_decoder_select="flacdsp"
2637 flac_encoder_select="bswapdsp flacdsp lpc"
2638 flashsv2_decoder_deps="zlib"
2639 flashsv2_encoder_deps="zlib"
2640 flashsv_decoder_deps="zlib"
2641 flashsv_encoder_deps="zlib"
2642 flv_decoder_select="h263_decoder"
2643 flv_encoder_select="h263_encoder"
2644 fourxm_decoder_select="blockdsp bswapdsp"
2645 fraps_decoder_select="bswapdsp huffman"
2646 g2m_decoder_deps="zlib"
2647 g2m_decoder_select="blockdsp idctdsp jpegtables"
2648 g729_decoder_select="audiodsp"
2649 h261_decoder_select="mpegvideo"
2650 h261_encoder_select="mpegvideoenc"
2651 h263_decoder_select="h263_parser h263dsp mpegvideo qpeldsp"
2652 h263_encoder_select="h263dsp mpegvideoenc"
2653 h263i_decoder_select="h263_decoder"
2654 h263p_decoder_select="h263_decoder"
2655 h263p_encoder_select="h263_encoder"
2656 h264_decoder_select="cabac golomb h264chroma h264dsp h264parse h264pred h264qpel videodsp"
2657 h264_decoder_suggest="error_resilience"
2658 hap_decoder_select="snappy texturedsp"
2659 hap_encoder_deps="libsnappy"
2660 hap_encoder_select="texturedspenc"
2661 hevc_decoder_select="bswapdsp cabac golomb hevcparse videodsp"
2662 huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"
2663 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llvidencdsp"
2664 iac_decoder_select="imc_decoder"
2665 imc_decoder_select="bswapdsp fft mdct sinewin"
2666 indeo3_decoder_select="hpeldsp"
2667 indeo4_decoder_select="ividsp"
2668 indeo5_decoder_select="ividsp"
2669 interplay_video_decoder_select="hpeldsp"
2670 jpegls_decoder_select="mjpeg_decoder"
2671 jv_decoder_select="blockdsp"
2672 lagarith_decoder_select="llviddsp"
2673 ljpeg_encoder_select="idctdsp jpegtables mpegvideoenc"
2674 magicyuv_decoder_select="llviddsp"
2675 magicyuv_encoder_select="llvidencdsp"
2676 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2677 metasound_decoder_select="lsp mdct sinewin"
2678 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2679 mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"
2680 mjpeg_encoder_select="jpegtables mpegvideoenc"
2681 mjpegb_decoder_select="mjpeg_decoder"
2682 mlp_decoder_select="mlp_parser"
2683 mlp_encoder_select="lpc"
2684 motionpixels_decoder_select="bswapdsp"
2685 mp1_decoder_select="mpegaudio"
2686 mp1float_decoder_select="mpegaudio"
2687 mp2_decoder_select="mpegaudio"
2688 mp2float_decoder_select="mpegaudio"
2689 mp3_decoder_select="mpegaudio"
2690 mp3adu_decoder_select="mpegaudio"
2691 mp3adufloat_decoder_select="mpegaudio"
2692 mp3float_decoder_select="mpegaudio"
2693 mp3on4_decoder_select="mpegaudio"
2694 mp3on4float_decoder_select="mpegaudio"
2695 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2696 mpc8_decoder_select="mpegaudiodsp"
2697 mpegvideo_decoder_select="mpegvideo"
2698 mpeg1video_decoder_select="mpegvideo"
2699 mpeg1video_encoder_select="mpegvideoenc h263dsp"
2700 mpeg2video_decoder_select="mpegvideo"
2701 mpeg2video_encoder_select="mpegvideoenc h263dsp"
2702 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2703 mpeg4_encoder_select="h263_encoder"
2704 msa1_decoder_select="mss34dsp"
2705 mscc_decoder_deps="zlib"
2706 msmpeg4v1_decoder_select="h263_decoder"
2707 msmpeg4v2_decoder_select="h263_decoder"
2708 msmpeg4v2_encoder_select="h263_encoder"
2709 msmpeg4v3_decoder_select="h263_decoder"
2710 msmpeg4v3_encoder_select="h263_encoder"
2711 mss2_decoder_select="mpegvideo qpeldsp vc1_decoder"
2712 mts2_decoder_select="mss34dsp"
2713 mwsc_decoder_deps="zlib"
2714 mxpeg_decoder_select="mjpeg_decoder"
2715 nellymoser_decoder_select="mdct sinewin"
2716 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2717 nuv_decoder_select="idctdsp lzo"
2718 on2avc_decoder_select="mdct"
2719 opus_decoder_deps="swresample"
2720 opus_decoder_select="mdct15"
2721 opus_encoder_select="audio_frame_queue mdct15"
2722 png_decoder_deps="zlib"
2723 png_encoder_deps="zlib"
2724 png_encoder_select="llvidencdsp"
2725 prores_decoder_select="blockdsp idctdsp"
2726 prores_encoder_select="fdctdsp"
2727 qcelp_decoder_select="lsp"
2728 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2729 ra_144_decoder_select="audiodsp"
2730 ra_144_encoder_select="audio_frame_queue lpc audiodsp"
2731 ralf_decoder_select="golomb"
2732 rasc_decoder_deps="zlib"
2733 rawvideo_decoder_select="bswapdsp"
2734 rscc_decoder_deps="zlib"
2735 rtjpeg_decoder_select="me_cmp"
2736 rv10_decoder_select="h263_decoder"
2737 rv10_encoder_select="h263_encoder"
2738 rv20_decoder_select="h263_decoder"
2739 rv20_encoder_select="h263_encoder"
2740 rv30_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2741 rv40_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2742 screenpresso_decoder_deps="zlib"
2743 shorten_decoder_select="bswapdsp"
2744 sipr_decoder_select="lsp"
2745 snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"
2746 snow_encoder_select="dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"
2747 sonic_decoder_select="golomb rangecoder"
2748 sonic_encoder_select="golomb rangecoder"
2749 sonic_ls_encoder_select="golomb rangecoder"
2750 sp5x_decoder_select="mjpeg_decoder"
2751 speedhq_decoder_select="mpegvideo"
2752 srgc_decoder_deps="zlib"
2753 svq1_decoder_select="hpeldsp"
2754 svq1_encoder_select="hpeldsp me_cmp mpegvideoenc"
2755 svq3_decoder_select="golomb h264dsp h264parse h264pred hpeldsp tpeldsp videodsp"
2756 svq3_decoder_suggest="zlib"
2757 tak_decoder_select="audiodsp"
2758 tdsc_decoder_deps="zlib"
2759 tdsc_decoder_select="mjpeg_decoder"
2760 theora_decoder_select="vp3_decoder"
2761 thp_decoder_select="mjpeg_decoder"
2762 tiff_decoder_suggest="zlib lzma"
2763 tiff_encoder_suggest="zlib"
2764 truehd_decoder_select="mlp_parser"
2765 truehd_encoder_select="lpc"
2766 truemotion2_decoder_select="bswapdsp"
2767 truespeech_decoder_select="bswapdsp"
2768 tscc_decoder_deps="zlib"
2769 twinvq_decoder_select="mdct lsp sinewin"
2770 txd_decoder_select="texturedsp"
2771 utvideo_decoder_select="bswapdsp llviddsp"
2772 utvideo_encoder_select="bswapdsp huffman llvidencdsp"
2773 vble_decoder_select="llviddsp"
2774 vc1_decoder_select="blockdsp h263_decoder h264qpel intrax8 mpegvideo vc1dsp"
2775 vc1image_decoder_select="vc1_decoder"
2776 vorbis_decoder_select="mdct"
2777 vorbis_encoder_select="audio_frame_queue mdct"
2778 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2779 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"
2780 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"
2781 vp6a_decoder_select="vp6_decoder"
2782 vp6f_decoder_select="vp6_decoder"
2783 vp7_decoder_select="h264pred videodsp vp8dsp"
2784 vp8_decoder_select="h264pred videodsp vp8dsp"
2785 vp9_decoder_select="videodsp vp9_parser vp9_superframe_split_bsf"
2786 wcmv_decoder_deps="zlib"
2787 webp_decoder_select="vp8_decoder exif"
2788 wmalossless_decoder_select="llauddsp"
2789 wmapro_decoder_select="mdct sinewin wma_freqs"
2790 wmav1_decoder_select="mdct sinewin wma_freqs"
2791 wmav1_encoder_select="mdct sinewin wma_freqs"
2792 wmav2_decoder_select="mdct sinewin wma_freqs"
2793 wmav2_encoder_select="mdct sinewin wma_freqs"
2794 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2795 wmv1_decoder_select="h263_decoder"
2796 wmv1_encoder_select="h263_encoder"
2797 wmv2_decoder_select="blockdsp error_resilience h263_decoder idctdsp intrax8 videodsp wmv2dsp"
2798 wmv2_encoder_select="h263_encoder wmv2dsp"
2799 wmv3_decoder_select="vc1_decoder"
2800 wmv3image_decoder_select="wmv3_decoder"
2801 xma1_decoder_select="wmapro_decoder"
2802 xma2_decoder_select="wmapro_decoder"
2803 zerocodec_decoder_deps="zlib"
2804 zlib_decoder_deps="zlib"
2805 zlib_encoder_deps="zlib"
2806 zmbv_decoder_deps="zlib"
2807 zmbv_encoder_deps="zlib"
2808
2809 # hardware accelerators
2810 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
2811 cuda_deps="ffnvcodec"
2812 cuvid_deps="ffnvcodec"
2813 d3d11va_deps="dxva_h ID3D11VideoDecoder ID3D11VideoContext"
2814 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode ole32 user32"
2815 ffnvcodec_deps_any="libdl LoadLibrary"
2816 nvdec_deps="ffnvcodec"
2817 videotoolbox_hwaccel_deps="videotoolbox pthreads"
2818 videotoolbox_hwaccel_extralibs="-framework QuartzCore"
2819 xvmc_deps="X11_extensions_XvMClib_h"
2820
2821 h263_vaapi_hwaccel_deps="vaapi"
2822 h263_vaapi_hwaccel_select="h263_decoder"
2823 h263_videotoolbox_hwaccel_deps="videotoolbox"
2824 h263_videotoolbox_hwaccel_select="h263_decoder"
2825 h264_d3d11va_hwaccel_deps="d3d11va"
2826 h264_d3d11va_hwaccel_select="h264_decoder"
2827 h264_d3d11va2_hwaccel_deps="d3d11va"
2828 h264_d3d11va2_hwaccel_select="h264_decoder"
2829 h264_dxva2_hwaccel_deps="dxva2"
2830 h264_dxva2_hwaccel_select="h264_decoder"
2831 h264_nvdec_hwaccel_deps="nvdec"
2832 h264_nvdec_hwaccel_select="h264_decoder"
2833 h264_vaapi_hwaccel_deps="vaapi"
2834 h264_vaapi_hwaccel_select="h264_decoder"
2835 h264_vdpau_hwaccel_deps="vdpau"
2836 h264_vdpau_hwaccel_select="h264_decoder"
2837 h264_videotoolbox_hwaccel_deps="videotoolbox"
2838 h264_videotoolbox_hwaccel_select="h264_decoder"
2839 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2840 hevc_d3d11va_hwaccel_select="hevc_decoder"
2841 hevc_d3d11va2_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2842 hevc_d3d11va2_hwaccel_select="hevc_decoder"
2843 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2844 hevc_dxva2_hwaccel_select="hevc_decoder"
2845 hevc_nvdec_hwaccel_deps="nvdec"
2846 hevc_nvdec_hwaccel_select="hevc_decoder"
2847 hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC"
2848 hevc_vaapi_hwaccel_select="hevc_decoder"
2849 hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"
2850 hevc_vdpau_hwaccel_select="hevc_decoder"
2851 hevc_videotoolbox_hwaccel_deps="videotoolbox"
2852 hevc_videotoolbox_hwaccel_select="hevc_decoder"
2853 mjpeg_nvdec_hwaccel_deps="nvdec"
2854 mjpeg_nvdec_hwaccel_select="mjpeg_decoder"
2855 mjpeg_vaapi_hwaccel_deps="vaapi"
2856 mjpeg_vaapi_hwaccel_select="mjpeg_decoder"
2857 mpeg_xvmc_hwaccel_deps="xvmc"
2858 mpeg_xvmc_hwaccel_select="mpeg2video_decoder"
2859 mpeg1_nvdec_hwaccel_deps="nvdec"
2860 mpeg1_nvdec_hwaccel_select="mpeg1video_decoder"
2861 mpeg1_vdpau_hwaccel_deps="vdpau"
2862 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2863 mpeg1_videotoolbox_hwaccel_deps="videotoolbox"
2864 mpeg1_videotoolbox_hwaccel_select="mpeg1video_decoder"
2865 mpeg1_xvmc_hwaccel_deps="xvmc"
2866 mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"
2867 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2868 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2869 mpeg2_d3d11va2_hwaccel_deps="d3d11va"
2870 mpeg2_d3d11va2_hwaccel_select="mpeg2video_decoder"
2871 mpeg2_dxva2_hwaccel_deps="dxva2"
2872 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2873 mpeg2_nvdec_hwaccel_deps="nvdec"
2874 mpeg2_nvdec_hwaccel_select="mpeg2video_decoder"
2875 mpeg2_vaapi_hwaccel_deps="vaapi"
2876 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2877 mpeg2_vdpau_hwaccel_deps="vdpau"
2878 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2879 mpeg2_videotoolbox_hwaccel_deps="videotoolbox"
2880 mpeg2_videotoolbox_hwaccel_select="mpeg2video_decoder"
2881 mpeg2_xvmc_hwaccel_deps="xvmc"
2882 mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"
2883 mpeg4_nvdec_hwaccel_deps="nvdec"
2884 mpeg4_nvdec_hwaccel_select="mpeg4_decoder"
2885 mpeg4_vaapi_hwaccel_deps="vaapi"
2886 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2887 mpeg4_vdpau_hwaccel_deps="vdpau"
2888 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2889 mpeg4_videotoolbox_hwaccel_deps="videotoolbox"
2890 mpeg4_videotoolbox_hwaccel_select="mpeg4_decoder"
2891 vc1_d3d11va_hwaccel_deps="d3d11va"
2892 vc1_d3d11va_hwaccel_select="vc1_decoder"
2893 vc1_d3d11va2_hwaccel_deps="d3d11va"
2894 vc1_d3d11va2_hwaccel_select="vc1_decoder"
2895 vc1_dxva2_hwaccel_deps="dxva2"
2896 vc1_dxva2_hwaccel_select="vc1_decoder"
2897 vc1_nvdec_hwaccel_deps="nvdec"
2898 vc1_nvdec_hwaccel_select="vc1_decoder"
2899 vc1_vaapi_hwaccel_deps="vaapi"
2900 vc1_vaapi_hwaccel_select="vc1_decoder"
2901 vc1_vdpau_hwaccel_deps="vdpau"
2902 vc1_vdpau_hwaccel_select="vc1_decoder"
2903 vp8_nvdec_hwaccel_deps="nvdec"
2904 vp8_nvdec_hwaccel_select="vp8_decoder"
2905 vp8_vaapi_hwaccel_deps="vaapi"
2906 vp8_vaapi_hwaccel_select="vp8_decoder"
2907 vp9_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_VP9"
2908 vp9_d3d11va_hwaccel_select="vp9_decoder"
2909 vp9_d3d11va2_hwaccel_deps="d3d11va DXVA_PicParams_VP9"
2910 vp9_d3d11va2_hwaccel_select="vp9_decoder"
2911 vp9_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_VP9"
2912 vp9_dxva2_hwaccel_select="vp9_decoder"
2913 vp9_nvdec_hwaccel_deps="nvdec"
2914 vp9_nvdec_hwaccel_select="vp9_decoder"
2915 vp9_vaapi_hwaccel_deps="vaapi VADecPictureParameterBufferVP9_bit_depth"
2916 vp9_vaapi_hwaccel_select="vp9_decoder"
2917 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2918 wmv3_d3d11va2_hwaccel_select="vc1_d3d11va2_hwaccel"
2919 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2920 wmv3_nvdec_hwaccel_select="vc1_nvdec_hwaccel"
2921 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2922 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2923
2924 # hardware-accelerated codecs
2925 omx_deps="libdl pthreads"
2926 omx_rpi_select="omx"
2927 qsv_deps="libmfx"
2928 qsvdec_select="qsv"
2929 qsvenc_select="qsv"
2930 qsvvpp_select="qsv"
2931 vaapi_encode_deps="vaapi"
2932 v4l2_m2m_deps="linux_videodev2_h sem_timedwait"
2933
2934 hwupload_cuda_filter_deps="ffnvcodec"
2935 scale_npp_filter_deps="ffnvcodec libnpp"
2936 scale_cuda_filter_deps="cuda_sdk"
2937 thumbnail_cuda_filter_deps="cuda_sdk"
2938 transpose_npp_filter_deps="ffnvcodec libnpp"
2939
2940 amf_deps_any="libdl LoadLibrary"
2941 nvenc_deps="ffnvcodec"
2942 nvenc_deps_any="libdl LoadLibrary"
2943 nvenc_encoder_deps="nvenc"
2944
2945 h263_v4l2m2m_decoder_deps="v4l2_m2m h263_v4l2_m2m"
2946 h263_v4l2m2m_encoder_deps="v4l2_m2m h263_v4l2_m2m"
2947 h264_amf_encoder_deps="amf"
2948 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
2949 h264_cuvid_decoder_deps="cuvid"
2950 h264_cuvid_decoder_select="h264_mp4toannexb_bsf"
2951 h264_mediacodec_decoder_deps="mediacodec"
2952 h264_mediacodec_decoder_select="h264_mp4toannexb_bsf h264_parser"
2953 h264_mmal_decoder_deps="mmal"
2954 h264_nvenc_encoder_deps="nvenc"
2955 h264_omx_encoder_deps="omx"
2956 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec"
2957 h264_qsv_encoder_select="qsvenc"
2958 h264_rkmpp_decoder_deps="rkmpp"
2959 h264_rkmpp_decoder_select="h264_mp4toannexb_bsf"
2960 h264_vaapi_encoder_select="cbs_h264 vaapi_encode"
2961 h264_v4l2m2m_decoder_deps="v4l2_m2m h264_v4l2_m2m"
2962 h264_v4l2m2m_decoder_select="h264_mp4toannexb_bsf"
2963 h264_v4l2m2m_encoder_deps="v4l2_m2m h264_v4l2_m2m"
2964 hevc_amf_encoder_deps="amf"
2965 hevc_cuvid_decoder_deps="cuvid"
2966 hevc_cuvid_decoder_select="hevc_mp4toannexb_bsf"
2967 hevc_mediacodec_decoder_deps="mediacodec"
2968 hevc_mediacodec_decoder_select="hevc_mp4toannexb_bsf hevc_parser"
2969 hevc_nvenc_encoder_deps="nvenc"
2970 hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec"
2971 hevc_qsv_encoder_select="hevcparse qsvenc"
2972 hevc_rkmpp_decoder_deps="rkmpp"
2973 hevc_rkmpp_decoder_select="hevc_mp4toannexb_bsf"
2974 hevc_vaapi_encoder_deps="VAEncPictureParameterBufferHEVC"
2975 hevc_vaapi_encoder_select="cbs_h265 vaapi_encode"
2976 hevc_v4l2m2m_decoder_deps="v4l2_m2m hevc_v4l2_m2m"
2977 hevc_v4l2m2m_decoder_select="hevc_mp4toannexb_bsf"
2978 hevc_v4l2m2m_encoder_deps="v4l2_m2m hevc_v4l2_m2m"
2979 mjpeg_cuvid_decoder_deps="cuvid"
2980 mjpeg_qsv_encoder_deps="libmfx"
2981 mjpeg_qsv_encoder_select="qsvenc"
2982 mjpeg_vaapi_encoder_deps="VAEncPictureParameterBufferJPEG"
2983 mjpeg_vaapi_encoder_select="cbs_jpeg jpegtables vaapi_encode"
2984 mpeg1_cuvid_decoder_deps="cuvid"
2985 mpeg1_v4l2m2m_decoder_deps="v4l2_m2m mpeg1_v4l2_m2m"
2986 mpeg2_crystalhd_decoder_select="crystalhd"
2987 mpeg2_cuvid_decoder_deps="cuvid"
2988 mpeg2_mmal_decoder_deps="mmal"
2989 mpeg2_mediacodec_decoder_deps="mediacodec"
2990 mpeg2_qsv_decoder_select="qsvdec mpegvideo_parser"
2991 mpeg2_qsv_encoder_select="qsvenc"
2992 mpeg2_vaapi_encoder_select="cbs_mpeg2 vaapi_encode"
2993 mpeg2_v4l2m2m_decoder_deps="v4l2_m2m mpeg2_v4l2_m2m"
2994 mpeg4_crystalhd_decoder_select="crystalhd"
2995 mpeg4_cuvid_decoder_deps="cuvid"
2996 mpeg4_mediacodec_decoder_deps="mediacodec"
2997 mpeg4_mmal_decoder_deps="mmal"
2998 mpeg4_omx_encoder_deps="omx"
2999 mpeg4_v4l2m2m_decoder_deps="v4l2_m2m mpeg4_v4l2_m2m"
3000 mpeg4_v4l2m2m_encoder_deps="v4l2_m2m mpeg4_v4l2_m2m"
3001 msmpeg4_crystalhd_decoder_select="crystalhd"
3002 nvenc_h264_encoder_select="h264_nvenc_encoder"
3003 nvenc_hevc_encoder_select="hevc_nvenc_encoder"
3004 vc1_crystalhd_decoder_select="crystalhd"
3005 vc1_cuvid_decoder_deps="cuvid"
3006 vc1_mmal_decoder_deps="mmal"
3007 vc1_qsv_decoder_select="qsvdec vc1_parser"
3008 vc1_v4l2m2m_decoder_deps="v4l2_m2m vc1_v4l2_m2m"
3009 vp8_cuvid_decoder_deps="cuvid"
3010 vp8_mediacodec_decoder_deps="mediacodec"
3011 vp8_qsv_decoder_select="qsvdec vp8_parser"
3012 vp8_rkmpp_decoder_deps="rkmpp"
3013 vp8_vaapi_encoder_deps="VAEncPictureParameterBufferVP8"
3014 vp8_vaapi_encoder_select="vaapi_encode"
3015 vp8_v4l2m2m_decoder_deps="v4l2_m2m vp8_v4l2_m2m"
3016 vp8_v4l2m2m_encoder_deps="v4l2_m2m vp8_v4l2_m2m"
3017 vp9_cuvid_decoder_deps="cuvid"
3018 vp9_mediacodec_decoder_deps="mediacodec"
3019 vp9_rkmpp_decoder_deps="rkmpp"
3020 vp9_vaapi_encoder_deps="VAEncPictureParameterBufferVP9"
3021 vp9_vaapi_encoder_select="vaapi_encode"
3022 vp9_v4l2m2m_decoder_deps="v4l2_m2m vp9_v4l2_m2m"
3023 wmv3_crystalhd_decoder_select="crystalhd"
3024
3025 # parsers
3026 aac_parser_select="adts_header"
3027 av1_parser_select="cbs_av1"
3028 h264_parser_select="golomb h264dsp h264parse"
3029 hevc_parser_select="hevcparse"
3030 mpegaudio_parser_select="mpegaudioheader"
3031 mpegvideo_parser_select="mpegvideo"
3032 mpeg4video_parser_select="h263dsp mpegvideo qpeldsp"
3033 vc1_parser_select="vc1dsp"
3034
3035 # bitstream_filters
3036 aac_adtstoasc_bsf_select="adts_header"
3037 av1_metadata_bsf_select="cbs_av1"
3038 eac3_core_bsf_select="ac3_parser"
3039 filter_units_bsf_select="cbs"
3040 h264_metadata_bsf_deps="const_nan"
3041 h264_metadata_bsf_select="cbs_h264"
3042 h264_redundant_pps_bsf_select="cbs_h264"
3043 hevc_metadata_bsf_select="cbs_h265"
3044 mjpeg2jpeg_bsf_select="jpegtables"
3045 mpeg2_metadata_bsf_select="cbs_mpeg2"
3046 trace_headers_bsf_select="cbs"
3047 vp9_metadata_bsf_select="cbs_vp9"
3048
3049 # external libraries
3050 aac_at_decoder_deps="audiotoolbox"
3051 aac_at_decoder_select="aac_adtstoasc_bsf"
3052 ac3_at_decoder_deps="audiotoolbox"
3053 ac3_at_decoder_select="ac3_parser"
3054 adpcm_ima_qt_at_decoder_deps="audiotoolbox"
3055 alac_at_decoder_deps="audiotoolbox"
3056 amr_nb_at_decoder_deps="audiotoolbox"
3057 avisynth_deps_any="libdl LoadLibrary"
3058 avisynth_demuxer_deps="avisynth"
3059 avisynth_demuxer_select="riffdec"
3060 eac3_at_decoder_deps="audiotoolbox"
3061 eac3_at_decoder_select="ac3_parser"
3062 gsm_ms_at_decoder_deps="audiotoolbox"
3063 ilbc_at_decoder_deps="audiotoolbox"
3064 mp1_at_decoder_deps="audiotoolbox"
3065 mp2_at_decoder_deps="audiotoolbox"
3066 mp3_at_decoder_deps="audiotoolbox"
3067 mp1_at_decoder_select="mpegaudioheader"
3068 mp2_at_decoder_select="mpegaudioheader"
3069 mp3_at_decoder_select="mpegaudioheader"
3070 pcm_alaw_at_decoder_deps="audiotoolbox"
3071 pcm_mulaw_at_decoder_deps="audiotoolbox"
3072 qdmc_at_decoder_deps="audiotoolbox"
3073 qdm2_at_decoder_deps="audiotoolbox"
3074 aac_at_encoder_deps="audiotoolbox"
3075 aac_at_encoder_select="audio_frame_queue"
3076 alac_at_encoder_deps="audiotoolbox"
3077 alac_at_encoder_select="audio_frame_queue"
3078 ilbc_at_encoder_deps="audiotoolbox"
3079 ilbc_at_encoder_select="audio_frame_queue"
3080 pcm_alaw_at_encoder_deps="audiotoolbox"
3081 pcm_alaw_at_encoder_select="audio_frame_queue"
3082 pcm_mulaw_at_encoder_deps="audiotoolbox"
3083 pcm_mulaw_at_encoder_select="audio_frame_queue"
3084 chromaprint_muxer_deps="chromaprint"
3085 h264_videotoolbox_encoder_deps="pthreads"
3086 h264_videotoolbox_encoder_select="videotoolbox_encoder"
3087 hevc_videotoolbox_encoder_deps="pthreads"
3088 hevc_videotoolbox_encoder_select="videotoolbox_encoder"
3089 libaom_av1_decoder_deps="libaom"
3090 libaom_av1_encoder_deps="libaom"
3091 libaom_av1_encoder_select="extract_extradata_bsf"
3092 libcelt_decoder_deps="libcelt"
3093 libcodec2_decoder_deps="libcodec2"
3094 libcodec2_encoder_deps="libcodec2"
3095 libdav1d_decoder_deps="libdav1d"
3096 libdavs2_decoder_deps="libdavs2"
3097 libfdk_aac_decoder_deps="libfdk_aac"
3098 libfdk_aac_encoder_deps="libfdk_aac"
3099 libfdk_aac_encoder_select="audio_frame_queue"
3100 libgme_demuxer_deps="libgme"
3101 libgsm_decoder_deps="libgsm"
3102 libgsm_encoder_deps="libgsm"
3103 libgsm_ms_decoder_deps="libgsm"
3104 libgsm_ms_encoder_deps="libgsm"
3105 libilbc_decoder_deps="libilbc"
3106 libilbc_encoder_deps="libilbc"
3107 libkvazaar_encoder_deps="libkvazaar"
3108 libmodplug_demuxer_deps="libmodplug"
3109 libmp3lame_encoder_deps="libmp3lame"
3110 libmp3lame_encoder_select="audio_frame_queue mpegaudioheader"
3111 libopencore_amrnb_decoder_deps="libopencore_amrnb"
3112 libopencore_amrnb_encoder_deps="libopencore_amrnb"
3113 libopencore_amrnb_encoder_select="audio_frame_queue"
3114 libopencore_amrwb_decoder_deps="libopencore_amrwb"
3115 libopenh264_decoder_deps="libopenh264"
3116 libopenh264_decoder_select="h264_mp4toannexb_bsf"
3117 libopenh264_encoder_deps="libopenh264"
3118 libopenjpeg_decoder_deps="libopenjpeg"
3119 libopenjpeg_encoder_deps="libopenjpeg"
3120 libopenmpt_demuxer_deps="libopenmpt"
3121 libopus_decoder_deps="libopus"
3122 libopus_encoder_deps="libopus"
3123 libopus_encoder_select="audio_frame_queue"
3124 librsvg_decoder_deps="librsvg"
3125 libshine_encoder_deps="libshine"
3126 libshine_encoder_select="audio_frame_queue"
3127 libspeex_decoder_deps="libspeex"
3128 libspeex_encoder_deps="libspeex"
3129 libspeex_encoder_select="audio_frame_queue"
3130 libtheora_encoder_deps="libtheora"
3131 libtwolame_encoder_deps="libtwolame"
3132 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
3133 libvorbis_decoder_deps="libvorbis"
3134 libvorbis_encoder_deps="libvorbis libvorbisenc"
3135 libvorbis_encoder_select="audio_frame_queue"
3136 libvpx_vp8_decoder_deps="libvpx"
3137 libvpx_vp8_encoder_deps="libvpx"
3138 libvpx_vp9_decoder_deps="libvpx"
3139 libvpx_vp9_encoder_deps="libvpx"
3140 libwavpack_encoder_deps="libwavpack"
3141 libwavpack_encoder_select="audio_frame_queue"
3142 libwebp_encoder_deps="libwebp"
3143 libwebp_anim_encoder_deps="libwebp"
3144 libx262_encoder_deps="libx262"
3145 libx264_encoder_deps="libx264"
3146 libx264rgb_encoder_deps="libx264 x264_csp_bgr"
3147 libx264rgb_encoder_select="libx264_encoder"
3148 libx265_encoder_deps="libx265"
3149 libxavs_encoder_deps="libxavs"
3150 libxavs2_encoder_deps="libxavs2"
3151 libxvid_encoder_deps="libxvid"
3152 libzvbi_teletext_decoder_deps="libzvbi"
3153 vapoursynth_demuxer_deps="vapoursynth"
3154 videotoolbox_suggest="coreservices"
3155 videotoolbox_deps="corefoundation coremedia corevideo"
3156 videotoolbox_encoder_deps="videotoolbox VTCompressionSessionPrepareToEncodeFrames"
3157
3158 # demuxers / muxers
3159 ac3_demuxer_select="ac3_parser"
3160 aiff_muxer_select="iso_media"
3161 asf_demuxer_select="riffdec"
3162 asf_o_demuxer_select="riffdec"
3163 asf_muxer_select="riffenc"
3164 asf_stream_muxer_select="asf_muxer"
3165 avi_demuxer_select="iso_media riffdec exif"
3166 avi_muxer_select="riffenc"
3167 caf_demuxer_select="iso_media riffdec"
3168 caf_muxer_select="iso_media"
3169 dash_muxer_select="mp4_muxer"
3170 dash_demuxer_deps="libxml2"
3171 dirac_demuxer_select="dirac_parser"
3172 dts_demuxer_select="dca_parser"
3173 dtshd_demuxer_select="dca_parser"
3174 dv_demuxer_select="dvprofile"
3175 dv_muxer_select="dvprofile"
3176 dxa_demuxer_select="riffdec"
3177 eac3_demuxer_select="ac3_parser"
3178 f4v_muxer_select="mov_muxer"
3179 fifo_muxer_deps="threads"
3180 flac_demuxer_select="flac_parser"
3181 hds_muxer_select="flv_muxer"
3182 hls_muxer_select="mpegts_muxer"
3183 hls_muxer_suggest="gcrypt openssl"
3184 image2_alias_pix_demuxer_select="image2_demuxer"
3185 image2_brender_pix_demuxer_select="image2_demuxer"
3186 ipod_muxer_select="mov_muxer"
3187 ismv_muxer_select="mov_muxer"
3188 ivf_muxer_select="av1_metadata_bsf vp9_superframe_bsf"
3189 matroska_audio_muxer_select="matroska_muxer"
3190 matroska_demuxer_select="iso_media riffdec"
3191 matroska_demuxer_suggest="bzlib lzo zlib"
3192 matroska_muxer_select="iso_media riffenc"
3193 mmf_muxer_select="riffenc"
3194 mov_demuxer_select="iso_media riffdec"
3195 mov_demuxer_suggest="zlib"
3196 mov_muxer_select="iso_media riffenc rtpenc_chain"
3197 mp3_demuxer_select="mpegaudio_parser"
3198 mp3_muxer_select="mpegaudioheader"
3199 mp4_muxer_select="mov_muxer"
3200 mpegts_demuxer_select="iso_media"
3201 mpegts_muxer_select="adts_muxer latm_muxer"
3202 mpegtsraw_demuxer_select="mpegts_demuxer"
3203 mxf_d10_muxer_select="mxf_muxer"
3204 mxf_opatom_muxer_select="mxf_muxer"
3205 nut_muxer_select="riffenc"
3206 nuv_demuxer_select="riffdec"
3207 oga_muxer_select="ogg_muxer"
3208 ogg_demuxer_select="dirac_parse"
3209 ogv_muxer_select="ogg_muxer"
3210 opus_muxer_select="ogg_muxer"
3211 psp_muxer_select="mov_muxer"
3212 rtp_demuxer_select="sdp_demuxer"
3213 rtp_muxer_select="golomb"
3214 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol srtp"
3215 rtsp_demuxer_select="http_protocol rtpdec"
3216 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
3217 sap_demuxer_select="sdp_demuxer"
3218 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
3219 sdp_demuxer_select="rtpdec"
3220 smoothstreaming_muxer_select="ismv_muxer"
3221 spdif_demuxer_select="adts_header"
3222 spdif_muxer_select="adts_header"
3223 spx_muxer_select="ogg_muxer"
3224 swf_demuxer_suggest="zlib"
3225 tak_demuxer_select="tak_parser"
3226 tg2_muxer_select="mov_muxer"
3227 tgp_muxer_select="mov_muxer"
3228 vobsub_demuxer_select="mpegps_demuxer"
3229 w64_demuxer_select="wav_demuxer"
3230 w64_muxer_select="wav_muxer"
3231 wav_demuxer_select="riffdec"
3232 wav_muxer_select="riffenc"
3233 webm_muxer_select="iso_media riffenc"
3234 webm_dash_manifest_demuxer_select="matroska_demuxer"
3235 wtv_demuxer_select="mpegts_demuxer riffdec"
3236 wtv_muxer_select="mpegts_muxer riffenc"
3237 xmv_demuxer_select="riffdec"
3238 xwma_demuxer_select="riffdec"
3239
3240 # indevs / outdevs
3241 android_camera_indev_deps="android camera2ndk mediandk pthreads"
3242 android_camera_indev_extralibs="-landroid -lcamera2ndk -lmediandk"
3243 alsa_indev_deps="alsa"
3244 alsa_outdev_deps="alsa"
3245 avfoundation_indev_deps="avfoundation corevideo coremedia pthreads"
3246 avfoundation_indev_suggest="coregraphics applicationservices"
3247 avfoundation_indev_extralibs="-framework Foundation"
3248 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
3249 caca_outdev_deps="libcaca"
3250 decklink_deps_any="libdl LoadLibrary"
3251 decklink_indev_deps="decklink threads"
3252 decklink_indev_extralibs="-lstdc++"
3253 decklink_outdev_deps="decklink threads"
3254 decklink_outdev_suggest="libklvanc"
3255 decklink_outdev_extralibs="-lstdc++"
3256 libndi_newtek_indev_deps="libndi_newtek"
3257 libndi_newtek_indev_extralibs="-lndi"
3258 libndi_newtek_outdev_deps="libndi_newtek"
3259 libndi_newtek_outdev_extralibs="-lndi"
3260 dshow_indev_deps="IBaseFilter"
3261 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"
3262 fbdev_indev_deps="linux_fb_h"
3263 fbdev_outdev_deps="linux_fb_h"
3264 gdigrab_indev_deps="CreateDIBSection"
3265 gdigrab_indev_extralibs="-lgdi32"
3266 gdigrab_indev_select="bmp_decoder"
3267 iec61883_indev_deps="libiec61883"
3268 jack_indev_deps="libjack"
3269 jack_indev_deps_any="sem_timedwait dispatch_dispatch_h"
3270 kmsgrab_indev_deps="libdrm"
3271 lavfi_indev_deps="avfilter"
3272 libcdio_indev_deps="libcdio"
3273 libdc1394_indev_deps="libdc1394"
3274 openal_indev_deps="openal"
3275 opengl_outdev_deps="opengl"
3276 opengl_outdev_suggest="sdl2"
3277 oss_indev_deps_any="sys_soundcard_h"
3278 oss_outdev_deps_any="sys_soundcard_h"
3279 pulse_indev_deps="libpulse"
3280 pulse_outdev_deps="libpulse"
3281 sdl2_outdev_deps="sdl2"
3282 sndio_indev_deps="sndio"
3283 sndio_outdev_deps="sndio"
3284 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
3285 v4l2_indev_suggest="libv4l2"
3286 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
3287 v4l2_outdev_suggest="libv4l2"
3288 vfwcap_indev_deps="vfw32 vfwcap_defines"
3289 xcbgrab_indev_deps="libxcb"
3290 xcbgrab_indev_suggest="libxcb_shm libxcb_shape libxcb_xfixes"
3291 xv_outdev_deps="xlib"
3292
3293 # protocols
3294 async_protocol_deps="threads"
3295 bluray_protocol_deps="libbluray"
3296 ffrtmpcrypt_protocol_conflict="librtmp_protocol"
3297 ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl mbedtls"
3298 ffrtmpcrypt_protocol_select="tcp_protocol"
3299 ffrtmphttp_protocol_conflict="librtmp_protocol"
3300 ffrtmphttp_protocol_select="http_protocol"
3301 ftp_protocol_select="tcp_protocol"
3302 gopher_protocol_select="network"
3303 http_protocol_select="tcp_protocol"
3304 http_protocol_suggest="zlib"
3305 httpproxy_protocol_select="tcp_protocol"
3306 httpproxy_protocol_suggest="zlib"
3307 https_protocol_select="tls_protocol"
3308 https_protocol_suggest="zlib"
3309 icecast_protocol_select="http_protocol"
3310 mmsh_protocol_select="http_protocol"
3311 mmst_protocol_select="network"
3312 rtmp_protocol_conflict="librtmp_protocol"
3313 rtmp_protocol_select="tcp_protocol"
3314 rtmp_protocol_suggest="zlib"
3315 rtmpe_protocol_select="ffrtmpcrypt_protocol"
3316 rtmpe_protocol_suggest="zlib"
3317 rtmps_protocol_conflict="librtmp_protocol"
3318 rtmps_protocol_select="tls_protocol"
3319 rtmps_protocol_suggest="zlib"
3320 rtmpt_protocol_select="ffrtmphttp_protocol"
3321 rtmpt_protocol_suggest="zlib"
3322 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
3323 rtmpte_protocol_suggest="zlib"
3324 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
3325 rtmpts_protocol_suggest="zlib"
3326 rtp_protocol_select="udp_protocol"
3327 schannel_conflict="openssl gnutls libtls mbedtls"
3328 sctp_protocol_deps="struct_sctp_event_subscribe struct_msghdr_msg_flags"
3329 sctp_protocol_select="network"
3330 securetransport_conflict="openssl gnutls libtls mbedtls"
3331 srtp_protocol_select="rtp_protocol srtp"
3332 tcp_protocol_select="network"
3333 tls_protocol_deps_any="gnutls openssl schannel securetransport libtls mbedtls"
3334 tls_protocol_select="tcp_protocol"
3335 udp_protocol_select="network"
3336 udplite_protocol_select="network"
3337 unix_protocol_deps="sys_un_h"
3338 unix_protocol_select="network"
3339
3340 # external library protocols
3341 librtmp_protocol_deps="librtmp"
3342 librtmpe_protocol_deps="librtmp"
3343 librtmps_protocol_deps="librtmp"
3344 librtmpt_protocol_deps="librtmp"
3345 librtmpte_protocol_deps="librtmp"
3346 libsmbclient_protocol_deps="libsmbclient gplv3"
3347 libsrt_protocol_deps="libsrt"
3348 libsrt_protocol_select="network"
3349 libssh_protocol_deps="libssh"
3350 libtls_conflict="openssl gnutls mbedtls"
3351
3352 # filters
3353 afftdn_filter_deps="avcodec"
3354 afftdn_filter_select="fft"
3355 afftfilt_filter_deps="avcodec"
3356 afftfilt_filter_select="fft"
3357 afir_filter_deps="avcodec"
3358 afir_filter_select="fft"
3359 amovie_filter_deps="avcodec avformat"
3360 aresample_filter_deps="swresample"
3361 ass_filter_deps="libass"
3362 atempo_filter_deps="avcodec"
3363 atempo_filter_select="rdft"
3364 avgblur_opencl_filter_deps="opencl"
3365 azmq_filter_deps="libzmq"
3366 blackframe_filter_deps="gpl"
3367 bm3d_filter_deps="avcodec"
3368 bm3d_filter_select="dct"
3369 boxblur_filter_deps="gpl"
3370 boxblur_opencl_filter_deps="opencl gpl"
3371 bs2b_filter_deps="libbs2b"
3372 colormatrix_filter_deps="gpl"
3373 convolution_opencl_filter_deps="opencl"
3374 convolve_filter_deps="avcodec"
3375 convolve_filter_select="fft"
3376 coreimage_filter_deps="coreimage appkit"
3377 coreimage_filter_extralibs="-framework OpenGL"
3378 coreimagesrc_filter_deps="coreimage appkit"
3379 coreimagesrc_filter_extralibs="-framework OpenGL"
3380 cover_rect_filter_deps="avcodec avformat gpl"
3381 cropdetect_filter_deps="gpl"
3382 deconvolve_filter_deps="avcodec"
3383 deconvolve_filter_select="fft"
3384 deinterlace_qsv_filter_deps="libmfx"
3385 deinterlace_vaapi_filter_deps="vaapi"
3386 delogo_filter_deps="gpl"
3387 denoise_vaapi_filter_deps="vaapi"
3388 deshake_filter_select="pixelutils"
3389 dilation_opencl_filter_deps="opencl"
3390 drawtext_filter_deps="libfreetype"
3391 drawtext_filter_suggest="libfontconfig libfribidi"
3392 elbg_filter_deps="avcodec"
3393 eq_filter_deps="gpl"
3394 erosion_opencl_filter_deps="opencl"
3395 fftfilt_filter_deps="avcodec"
3396 fftfilt_filter_select="rdft"
3397 fftdnoiz_filter_deps="avcodec"
3398 fftdnoiz_filter_select="fft"
3399 find_rect_filter_deps="avcodec avformat gpl"
3400 firequalizer_filter_deps="avcodec"
3401 firequalizer_filter_select="rdft"
3402 flite_filter_deps="libflite"
3403 framerate_filter_select="pixelutils"
3404 frei0r_filter_deps="frei0r libdl"
3405 frei0r_src_filter_deps="frei0r libdl"
3406 fspp_filter_deps="gpl"
3407 geq_filter_deps="gpl"
3408 histeq_filter_deps="gpl"
3409 hqdn3d_filter_deps="gpl"
3410 interlace_filter_deps="gpl"
3411 kerndeint_filter_deps="gpl"
3412 ladspa_filter_deps="ladspa libdl"
3413 lensfun_filter_deps="liblensfun version3"
3414 lv2_filter_deps="lv2"
3415 mcdeint_filter_deps="avcodec gpl"
3416 movie_filter_deps="avcodec avformat"
3417 mpdecimate_filter_deps="gpl"
3418 mpdecimate_filter_select="pixelutils"
3419 mptestsrc_filter_deps="gpl"
3420 negate_filter_deps="lut_filter"
3421 nnedi_filter_deps="gpl"
3422 ocr_filter_deps="libtesseract"
3423 ocv_filter_deps="libopencv"
3424 openclsrc_filter_deps="opencl"
3425 overlay_opencl_filter_deps="opencl"
3426 overlay_qsv_filter_deps="libmfx"
3427 overlay_qsv_filter_select="qsvvpp"
3428 owdenoise_filter_deps="gpl"
3429 pan_filter_deps="swresample"
3430 perspective_filter_deps="gpl"
3431 phase_filter_deps="gpl"
3432 pp7_filter_deps="gpl"
3433 pp_filter_deps="gpl postproc"
3434 prewitt_opencl_filter_deps="opencl"
3435 procamp_vaapi_filter_deps="vaapi"
3436 program_opencl_filter_deps="opencl"
3437 pullup_filter_deps="gpl"
3438 removelogo_filter_deps="avcodec avformat swscale"
3439 repeatfields_filter_deps="gpl"
3440 resample_filter_deps="avresample"
3441 roberts_opencl_filter_deps="opencl"
3442 rubberband_filter_deps="librubberband"
3443 sab_filter_deps="gpl swscale"
3444 scale2ref_filter_deps="swscale"
3445 scale_filter_deps="swscale"
3446 scale_qsv_filter_deps="libmfx"
3447 select_filter_select="pixelutils"
3448 sharpness_vaapi_filter_deps="vaapi"
3449 showcqt_filter_deps="avcodec avformat swscale"
3450 showcqt_filter_suggest="libfontconfig libfreetype"
3451 showcqt_filter_select="fft"
3452 showfreqs_filter_deps="avcodec"
3453 showfreqs_filter_select="fft"
3454 showspectrum_filter_deps="avcodec"
3455 showspectrum_filter_select="fft"
3456 showspectrumpic_filter_deps="avcodec"
3457 showspectrumpic_filter_select="fft"
3458 signature_filter_deps="gpl avcodec avformat"
3459 smartblur_filter_deps="gpl swscale"
3460 sobel_opencl_filter_deps="opencl"
3461 sofalizer_filter_deps="libmysofa avcodec"
3462 sofalizer_filter_select="fft"
3463 spectrumsynth_filter_deps="avcodec"
3464 spectrumsynth_filter_select="fft"
3465 spp_filter_deps="gpl avcodec"
3466 spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"
3467 sr_filter_deps="avformat swscale"
3468 sr_filter_select="dnn"
3469 stereo3d_filter_deps="gpl"
3470 subtitles_filter_deps="avformat avcodec libass"
3471 super2xsai_filter_deps="gpl"
3472 pixfmts_super2xsai_test_deps="super2xsai_filter"
3473 tinterlace_filter_deps="gpl"
3474 tinterlace_merge_test_deps="tinterlace_filter"
3475 tinterlace_pad_test_deps="tinterlace_filter"
3476 tonemap_filter_deps="const_nan"
3477 tonemap_opencl_filter_deps="opencl const_nan"
3478 unsharp_opencl_filter_deps="opencl"
3479 uspp_filter_deps="gpl avcodec"
3480 vaguedenoiser_filter_deps="gpl"
3481 vidstabdetect_filter_deps="libvidstab"
3482 vidstabtransform_filter_deps="libvidstab"
3483 libvmaf_filter_deps="libvmaf pthreads"
3484 zmq_filter_deps="libzmq"
3485 zoompan_filter_deps="swscale"
3486 zscale_filter_deps="libzimg const_nan"
3487 scale_vaapi_filter_deps="vaapi"
3488 vpp_qsv_filter_deps="libmfx"
3489 vpp_qsv_filter_select="qsvvpp"
3490 yadif_cuda_filter_deps="cuda_sdk"
3491
3492 # examples
3493 avio_dir_cmd_deps="avformat avutil"
3494 avio_reading_deps="avformat avcodec avutil"
3495 decode_audio_example_deps="avcodec avutil"
3496 decode_video_example_deps="avcodec avutil"
3497 demuxing_decoding_example_deps="avcodec avformat avutil"
3498 encode_audio_example_deps="avcodec avutil"
3499 encode_video_example_deps="avcodec avutil"
3500 extract_mvs_example_deps="avcodec avformat avutil"
3501 filter_audio_example_deps="avfilter avutil"
3502 filtering_audio_example_deps="avfilter avcodec avformat avutil"
3503 filtering_video_example_deps="avfilter avcodec avformat avutil"
3504 http_multiclient_example_deps="avformat avutil fork"
3505 hw_decode_example_deps="avcodec avformat avutil"
3506 metadata_example_deps="avformat avutil"
3507 muxing_example_deps="avcodec avformat avutil swscale"
3508 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder"
3509 remuxing_example_deps="avcodec avformat avutil"
3510 resampling_audio_example_deps="avutil swresample"
3511 scaling_video_example_deps="avutil swscale"
3512 transcode_aac_example_deps="avcodec avformat swresample"
3513 transcoding_example_deps="avfilter avcodec avformat avutil"
3514 vaapi_encode_example_deps="avcodec avutil h264_vaapi_encoder"
3515 vaapi_transcode_example_deps="avcodec avformat avutil h264_vaapi_encoder"
3516
3517 # EXTRALIBS_LIST
3518 cpu_init_extralibs="pthreads_extralibs"
3519 cws2fws_extralibs="zlib_extralibs"
3520
3521 # libraries, in any order
3522 avcodec_deps="avutil"
3523 avcodec_suggest="libm"
3524 avcodec_select="null_bsf"
3525 avdevice_deps="avformat avcodec avutil"
3526 avdevice_suggest="libm"
3527 avfilter_deps="avutil"
3528 avfilter_suggest="libm"
3529 avformat_deps="avcodec avutil"
3530 avformat_suggest="libm network zlib"
3531 avresample_deps="avutil"
3532 avresample_suggest="libm"
3533 avutil_suggest="clock_gettime ffnvcodec libm libdrm libmfx opencl user32 vaapi videotoolbox corefoundation corevideo coremedia bcrypt"
3534 postproc_deps="avutil gpl"
3535 postproc_suggest="libm"
3536 swresample_deps="avutil"
3537 swresample_suggest="libm libsoxr"
3538 swscale_deps="avutil"
3539 swscale_suggest="libm"
3540
3541 avcodec_extralibs="pthreads_extralibs iconv_extralibs"
3542 avfilter_extralibs="pthreads_extralibs"
3543 avutil_extralibs="d3d11va_extralibs nanosleep_extralibs pthreads_extralibs vaapi_drm_extralibs vaapi_x11_extralibs vdpau_x11_extralibs"
3544
3545 # programs
3546 ffmpeg_deps="avcodec avfilter avformat"
3547 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
3548                null_filter
3549                trim_filter"
3550 ffmpeg_suggest="ole32 psapi shell32"
3551 ffplay_deps="avcodec avformat swscale swresample sdl2"
3552 ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"
3553 ffplay_suggest="shell32"
3554 ffprobe_deps="avcodec avformat"
3555 ffprobe_suggest="shell32"
3556
3557 # documentation
3558 podpages_deps="perl"
3559 manpages_deps="perl pod2man"
3560 htmlpages_deps="perl"
3561 htmlpages_deps_any="makeinfo_html texi2html"
3562 txtpages_deps="perl makeinfo"
3563 doc_deps_any="manpages htmlpages podpages txtpages"
3564
3565 # default parameters
3566
3567 logfile="ffbuild/config.log"
3568
3569 # installation paths
3570 prefix_default="/usr/local"
3571 bindir_default='${prefix}/bin'
3572 datadir_default='${prefix}/share/ffmpeg'
3573 docdir_default='${prefix}/share/doc/ffmpeg'
3574 incdir_default='${prefix}/include'
3575 libdir_default='${prefix}/lib'
3576 mandir_default='${prefix}/share/man'
3577
3578 # toolchain
3579 ar_default="ar"
3580 cc_default="gcc"
3581 cxx_default="g++"
3582 host_cc_default="gcc"
3583 doxygen_default="doxygen"
3584 install="install"
3585 ln_s_default="ln -s -f"
3586 nm_default="nm -g"
3587 pkg_config_default=pkg-config
3588 ranlib_default="ranlib"
3589 strip_default="strip"
3590 version_script='--version-script'
3591 objformat="elf32"
3592 x86asmexe_default="nasm"
3593 windres_default="windres"
3594 nvcc_default="nvcc"
3595 nvccflags_default="-gencode arch=compute_30,code=sm_30 -O2"
3596 striptype="direct"
3597
3598 # OS
3599 target_os_default=$(tolower $(uname -s))
3600 host_os=$target_os_default
3601
3602 # machine
3603 if test "$target_os_default" = aix; then
3604     arch_default=$(uname -p)
3605     strip_default="strip -X32_64"
3606 else
3607     arch_default=$(uname -m)
3608 fi
3609 cpu="generic"
3610 intrinsics="none"
3611
3612 # configurable options
3613 enable $PROGRAM_LIST
3614 enable $DOCUMENT_LIST
3615 enable $EXAMPLE_LIST
3616 enable $(filter_out avresample $LIBRARY_LIST)
3617 enable stripping
3618
3619 enable asm
3620 enable debug
3621 enable doc
3622 enable faan faandct faanidct
3623 enable optimizations
3624 enable runtime_cpudetect
3625 enable safe_bitstream_reader
3626 enable static
3627 enable swscale_alpha
3628 enable valgrind_backtrace
3629
3630 sws_max_filter_size_default=256
3631 set_default sws_max_filter_size
3632
3633 # internal components are enabled by default
3634 enable $EXTRALIBS_LIST
3635
3636 # Avoid external, non-system, libraries getting enabled by dependency resolution
3637 disable $EXTERNAL_LIBRARY_LIST $HWACCEL_LIBRARY_LIST
3638
3639 # build settings
3640 SHFLAGS='-shared -Wl,-soname,$$(@F)'
3641 LIBPREF="lib"
3642 LIBSUF=".a"
3643 FULLNAME='$(NAME)$(BUILDSUF)'
3644 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
3645 SLIBPREF="lib"
3646 SLIBSUF=".so"
3647 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
3648 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
3649 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
3650 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
3651 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
3652 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
3653 VERSION_SCRIPT_POSTPROCESS_CMD="cat"
3654
3655 asflags_filter=echo
3656 cflags_filter=echo
3657 ldflags_filter=echo
3658
3659 AS_C='-c'
3660 AS_O='-o $@'
3661 CC_C='-c'
3662 CC_E='-E -o $@'
3663 CC_O='-o $@'
3664 CXX_C='-c'
3665 CXX_O='-o $@'
3666 OBJCC_C='-c'
3667 OBJCC_E='-E -o $@'
3668 OBJCC_O='-o $@'
3669 X86ASM_O='-o $@'
3670 LD_O='-o $@'
3671 LD_LIB='-l%'
3672 LD_PATH='-L'
3673 HOSTCC_C='-c'
3674 HOSTCC_E='-E -o $@'
3675 HOSTCC_O='-o $@'
3676 HOSTLD_O='-o $@'
3677 NVCC_C='-c'
3678 NVCC_O='-o $@'
3679
3680 host_extralibs='-lm'
3681 host_cflags_filter=echo
3682 host_ldflags_filter=echo
3683
3684 target_path='$(CURDIR)'
3685
3686 # since the object filename is not given with the -MM flag, the compiler
3687 # is only able to print the basename, and we must add the path ourselves
3688 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>/dev/null | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(@F),$(@D)/$(@F)," > $(@:.o=.d)'
3689 DEPFLAGS='-MM'
3690
3691 mkdir -p ffbuild
3692
3693 # find source path
3694 if test -f configure; then
3695     source_path=.
3696 else
3697     source_path=$(cd $(dirname "$0"); pwd)
3698     case "$source_path" in
3699         *[[:blank:]]*) die "Out of tree builds are impossible with whitespace in source path." ;;
3700     esac
3701     test -e "$source_path/config.h" &&
3702         die "Out of tree builds are impossible with config.h in source dir."
3703 fi
3704
3705 for v in "$@"; do
3706     r=${v#*=}
3707     l=${v%"$r"}
3708     r=$(sh_quote "$r")
3709     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
3710 done
3711
3712 find_things_extern(){
3713     thing=$1
3714     pattern=$2
3715     file=$source_path/$3
3716     out=${4:-$thing}
3717     sed -n "s/^[^#]*extern.*$pattern *ff_\([^ ]*\)_$thing;/\1_$out/p" "$file"
3718 }
3719
3720 find_filters_extern(){
3721     file=$source_path/$1
3722     #sed -n "s/^extern AVFilter ff_\([avfsinkrc]\{2,5\}\)_\(\w\+\);/\2_filter/p" $file
3723     sed -E -n "s/^extern AVFilter ff_([avfsinkrc]{2,5})_([a-zA-Z0-9_]+);/\2_filter/p" $file
3724 }
3725
3726 FILTER_LIST=$(find_filters_extern libavfilter/allfilters.c)
3727 OUTDEV_LIST=$(find_things_extern muxer AVOutputFormat libavdevice/alldevices.c outdev)
3728 INDEV_LIST=$(find_things_extern demuxer AVInputFormat libavdevice/alldevices.c indev)
3729 MUXER_LIST=$(find_things_extern muxer AVOutputFormat libavformat/allformats.c)
3730 DEMUXER_LIST=$(find_things_extern demuxer AVInputFormat libavformat/allformats.c)
3731 ENCODER_LIST=$(find_things_extern encoder AVCodec libavcodec/allcodecs.c)
3732 DECODER_LIST=$(find_things_extern decoder AVCodec libavcodec/allcodecs.c)
3733 CODEC_LIST="
3734     $ENCODER_LIST
3735     $DECODER_LIST
3736 "
3737 PARSER_LIST=$(find_things_extern parser AVCodecParser libavcodec/parsers.c)
3738 BSF_LIST=$(find_things_extern bsf AVBitStreamFilter libavcodec/bitstream_filters.c)
3739 HWACCEL_LIST=$(find_things_extern hwaccel AVHWAccel libavcodec/hwaccels.h)
3740 PROTOCOL_LIST=$(find_things_extern protocol URLProtocol libavformat/protocols.c)
3741
3742 AVCODEC_COMPONENTS_LIST="
3743     $BSF_LIST
3744     $DECODER_LIST
3745     $ENCODER_LIST
3746     $HWACCEL_LIST
3747     $PARSER_LIST
3748 "
3749
3750 AVDEVICE_COMPONENTS_LIST="
3751     $INDEV_LIST
3752     $OUTDEV_LIST
3753 "
3754
3755 AVFILTER_COMPONENTS_LIST="
3756     $FILTER_LIST
3757 "
3758
3759 AVFORMAT_COMPONENTS_LIST="
3760     $DEMUXER_LIST
3761     $MUXER_LIST
3762     $PROTOCOL_LIST
3763 "
3764
3765 ALL_COMPONENTS="
3766     $AVCODEC_COMPONENTS_LIST
3767     $AVDEVICE_COMPONENTS_LIST
3768     $AVFILTER_COMPONENTS_LIST
3769     $AVFORMAT_COMPONENTS_LIST
3770 "
3771
3772 for n in $COMPONENT_LIST; do
3773     v=$(toupper ${n%s})_LIST
3774     eval enable \$$v
3775     eval ${n}_if_any="\$$v"
3776 done
3777
3778 enable $ARCH_EXT_LIST
3779
3780 die_unknown(){
3781     echo "Unknown option \"$1\"."
3782     echo "See $0 --help for available options."
3783     exit 1
3784 }
3785
3786 print_in_columns() {
3787     cols=$(expr $ncols / 24)
3788     cat | tr ' ' '\n' | sort | pr -r "-$cols" -w $ncols -t
3789 }
3790
3791 show_list() {
3792     suffix=_$1
3793     shift
3794     echo $* | sed s/$suffix//g | print_in_columns
3795     exit 0
3796 }
3797
3798 rand_list(){
3799     IFS=', '
3800     set -- $*
3801     unset IFS
3802     for thing; do
3803         comp=${thing%:*}
3804         prob=${thing#$comp}
3805         prob=${prob#:}
3806         is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
3807         echo "prob ${prob:-0.5}"
3808         printf '%s\n' $comp
3809     done
3810 }
3811
3812 do_random(){
3813     action=$1
3814     shift
3815     random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
3816     $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
3817 }
3818
3819 for opt do
3820     optval="${opt#*=}"
3821     case "$opt" in
3822         --extra-ldflags=*)
3823             add_ldflags $optval
3824         ;;
3825         --extra-ldexeflags=*)
3826             add_ldexeflags $optval
3827         ;;
3828         --extra-ldsoflags=*)
3829             add_ldsoflags $optval
3830         ;;
3831         --extra-ldlibflags=*)
3832             warn "The --extra-ldlibflags option is only provided for compatibility and will be\n"\
3833                  "removed in the future. Use --extra-ldsoflags instead."
3834             add_ldsoflags $optval
3835         ;;
3836         --extra-libs=*)
3837             add_extralibs $optval
3838         ;;
3839         --disable-devices)
3840             disable $INDEV_LIST $OUTDEV_LIST
3841         ;;
3842         --enable-debug=*)
3843             debuglevel="$optval"
3844         ;;
3845         --disable-programs)
3846             disable $PROGRAM_LIST
3847         ;;
3848         --disable-everything)
3849             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3850         ;;
3851         --disable-all)
3852             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3853             disable $LIBRARY_LIST $PROGRAM_LIST doc
3854             enable avutil
3855         ;;
3856         --enable-random|--disable-random)
3857             action=${opt%%-random}
3858             do_random ${action#--} $COMPONENT_LIST
3859         ;;
3860         --enable-random=*|--disable-random=*)
3861             action=${opt%%-random=*}
3862             do_random ${action#--} $optval
3863         ;;
3864         --enable-sdl)
3865             enable sdl2
3866         ;;
3867         --enable-*=*|--disable-*=*)
3868             eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
3869             is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
3870             eval list=\$$(toupper $thing)_LIST
3871             name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
3872             list=$(filter "$name" $list)
3873             [ "$list" = "" ] && warn "Option $opt did not match anything"
3874             $action $list
3875         ;;
3876         --enable-yasm|--disable-yasm)
3877             warn "The ${opt} option is only provided for compatibility and will be\n"\
3878                  "removed in the future. Use --enable-x86asm / --disable-x86asm instead."
3879             test $opt = --enable-yasm && x86asm=yes || x86asm=no
3880         ;;
3881         --yasmexe=*)
3882             warn "The --yasmexe option is only provided for compatibility and will be\n"\
3883                  "removed in the future. Use --x86asmexe instead."
3884             x86asmexe="$optval"
3885         ;;
3886         --enable-?*|--disable-?*)
3887             eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
3888             if is_in $option $COMPONENT_LIST; then
3889                 test $action = disable && action=unset
3890                 eval $action \$$(toupper ${option%s})_LIST
3891             elif is_in $option $CMDLINE_SELECT; then
3892                 $action $option
3893             else
3894                 die_unknown $opt
3895             fi
3896         ;;
3897         --list-*)
3898             NAME="${opt#--list-}"
3899             is_in $NAME $COMPONENT_LIST || die_unknown $opt
3900             NAME=${NAME%s}
3901             eval show_list $NAME \$$(toupper $NAME)_LIST
3902         ;;
3903         --help|-h) show_help
3904         ;;
3905         --quiet|-q) quiet=yes
3906         ;;
3907         --fatal-warnings) enable fatal_warnings
3908         ;;
3909         --libfuzzer=*)
3910             libfuzzer_path="$optval"
3911         ;;
3912         *)
3913             optname="${opt%%=*}"
3914             optname="${optname#--}"
3915             optname=$(echo "$optname" | sed 's/-/_/g')
3916             if is_in $optname $CMDLINE_SET; then
3917                 eval $optname='$optval'
3918             elif is_in $optname $CMDLINE_APPEND; then
3919                 append $optname "$optval"
3920             else
3921                 die_unknown $opt
3922             fi
3923         ;;
3924     esac
3925 done
3926
3927 for e in $env; do
3928     eval "export $e"
3929 done
3930
3931 if disabled autodetect; then
3932
3933     # Unless iconv is explicitely disabled by the user, we still want to probe
3934     # for the iconv from the libc.
3935     disabled iconv || enable libc_iconv
3936
3937     disable_weak $EXTERNAL_AUTODETECT_LIBRARY_LIST
3938     disable_weak $HWACCEL_AUTODETECT_LIBRARY_LIST
3939 fi
3940 # Mark specifically enabled, but normally autodetected libraries as requested.
3941 for lib in $AUTODETECT_LIBS; do
3942     enabled $lib && request $lib
3943 done
3944 #TODO: switch to $AUTODETECT_LIBS when $THREADS_LIST is supported the same way
3945 enable_weak $EXTERNAL_AUTODETECT_LIBRARY_LIST
3946 enable_weak $HWACCEL_AUTODETECT_LIBRARY_LIST
3947
3948 disabled logging && logfile=/dev/null
3949
3950 # command line configuration sanity checks
3951
3952 # we need to build at least one lib type
3953 if ! enabled_any static shared; then
3954     cat <<EOF
3955 At least one library type must be built.
3956 Specify --enable-static to build the static libraries or --enable-shared to
3957 build the shared libraries as well. To only build the shared libraries specify
3958 --disable-static in addition to --enable-shared.
3959 EOF
3960     exit 1
3961 fi
3962
3963 die_license_disabled() {
3964     enabled $1 || { enabled $v && die "$v is $1 and --enable-$1 is not specified."; }
3965 }
3966
3967 die_license_disabled_gpl() {
3968     enabled $1 || { enabled $v && die "$v is incompatible with the gpl and --enable-$1 is not specified."; }
3969 }
3970
3971 map "die_license_disabled gpl"      $EXTERNAL_LIBRARY_GPL_LIST $EXTERNAL_LIBRARY_GPLV3_LIST
3972 map "die_license_disabled version3" $EXTERNAL_LIBRARY_VERSION3_LIST $EXTERNAL_LIBRARY_GPLV3_LIST
3973
3974 enabled gpl && map "die_license_disabled_gpl nonfree" $EXTERNAL_LIBRARY_NONFREE_LIST
3975 map "die_license_disabled nonfree" $HWACCEL_LIBRARY_NONFREE_LIST
3976
3977 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3978
3979 if enabled nonfree; then
3980     license="nonfree and unredistributable"
3981 elif enabled gplv3; then
3982     license="GPL version 3 or later"
3983 elif enabled lgplv3; then
3984     license="LGPL version 3 or later"
3985 elif enabled gpl; then
3986     license="GPL version 2 or later"
3987 else
3988     license="LGPL version 2.1 or later"
3989 fi
3990
3991 enabled_all gnutls openssl &&
3992     die "GnuTLS and OpenSSL must not be enabled at the same time."
3993
3994 enabled_all gnutls mbedtls &&
3995     die "GnuTLS and mbedTLS must not be enabled at the same time."
3996
3997 enabled_all openssl mbedtls &&
3998     die "OpenSSL and mbedTLS must not be enabled at the same time."
3999
4000 # Disable all the library-specific components if the library itself
4001 # is disabled, see AVCODEC_LIST and following _LIST variables.
4002
4003 disable_components(){
4004     disabled ${1} && disable $(
4005         eval components="\$$(toupper ${1})_COMPONENTS"
4006         map 'eval echo \${$(toupper ${v%s})_LIST}' $components
4007     )
4008 }
4009
4010 map 'disable_components $v' $LIBRARY_LIST
4011
4012 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
4013 set >> $logfile
4014
4015 test -n "$valgrind" && toolchain="valgrind-memcheck"
4016
4017 enabled ossfuzz && ! echo $CFLAGS | grep -q -- "-fsanitize="  && ! echo $CFLAGS | grep -q -- "-fcoverage-mapping" &&{
4018     add_cflags  -fsanitize=address,undefined -fsanitize-coverage=trace-pc-guard,trace-cmp -fno-omit-frame-pointer
4019     add_ldflags -fsanitize=address,undefined -fsanitize-coverage=trace-pc-guard,trace-cmp
4020 }
4021
4022 case "$toolchain" in
4023     *-asan)
4024         cc_default="${toolchain%-asan}"
4025         add_cflags  -fsanitize=address
4026         add_ldflags -fsanitize=address
4027     ;;
4028     *-msan)
4029         cc_default="${toolchain%-msan}"
4030         add_cflags  -fsanitize=memory -fsanitize-memory-track-origins
4031         add_ldflags -fsanitize=memory
4032     ;;
4033     *-tsan)
4034         cc_default="${toolchain%-tsan}"
4035         add_cflags  -fsanitize=thread
4036         add_ldflags -fsanitize=thread
4037         case "$toolchain" in
4038             gcc-tsan)
4039                 add_cflags  -fPIC
4040                 add_ldflags -fPIC
4041                 ;;
4042         esac
4043     ;;
4044     *-usan)
4045         cc_default="${toolchain%-usan}"
4046         add_cflags  -fsanitize=undefined
4047         add_ldflags -fsanitize=undefined
4048     ;;
4049     valgrind-*)
4050         target_exec_default="valgrind"
4051         case "$toolchain" in
4052             valgrind-massif)
4053                 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"
4054                 ;;
4055             valgrind-memcheck)
4056                 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
4057                 ;;
4058         esac
4059     ;;
4060     msvc)
4061         # Check whether the current MSVC version needs the C99 converter.
4062         # From MSVC 2013 (compiler major version 18) onwards, it does actually
4063         # support enough of C99 to build ffmpeg. Default to the new
4064         # behaviour if the regexp was unable to match anything, since this
4065         # successfully parses the version number of existing supported
4066         # versions that require the converter (MSVC 2010 and 2012).
4067         cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
4068         if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
4069             cc_default="cl"
4070             cxx_default="cl"
4071         else
4072             die "Unsupported MSVC version (2013 or newer required)"
4073         fi
4074         ld_default="$source_path/compat/windows/mslink"
4075         nm_default="dumpbin -symbols"
4076         ar_default="lib"
4077         case "$arch" in
4078         aarch64|arm64)
4079             as_default="armasm64"
4080             ;;
4081         arm*)
4082             as_default="armasm"
4083             ;;
4084         esac
4085         target_os_default="win32"
4086         # Use a relative path for TMPDIR. This makes sure all the
4087         # ffconf temp files are written with a relative path, avoiding
4088         # issues with msys/win32 path conversion for MSVC parameters
4089         # such as -Fo<file> or -out:<file>.
4090         TMPDIR=.
4091     ;;
4092     icl)
4093         cc_default="icl"
4094         ld_default="xilink"
4095         nm_default="dumpbin -symbols"
4096         ar_default="xilib"
4097         target_os_default="win32"
4098         TMPDIR=.
4099     ;;
4100     gcov)
4101         add_cflags  -fprofile-arcs -ftest-coverage
4102         add_ldflags -fprofile-arcs -ftest-coverage
4103     ;;
4104     llvm-cov)
4105         add_cflags -fprofile-arcs -ftest-coverage
4106         add_ldflags --coverage
4107     ;;
4108     hardened)
4109         add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
4110         add_cflags   -fno-strict-overflow -fstack-protector-all
4111         add_ldflags  -Wl,-z,relro -Wl,-z,now
4112         add_cflags   -fPIE
4113         add_ldexeflags -fPIE -pie
4114     ;;
4115     ?*)
4116         die "Unknown toolchain $toolchain"
4117     ;;
4118 esac
4119
4120 if test -n "$cross_prefix"; then
4121     test -n "$arch" && test -n "$target_os" ||
4122         die "Must specify target arch (--arch) and OS (--target-os) when cross-compiling"
4123     enable cross_compile
4124 fi
4125
4126 ar_default="${cross_prefix}${ar_default}"
4127 cc_default="${cross_prefix}${cc_default}"
4128 cxx_default="${cross_prefix}${cxx_default}"
4129 nm_default="${cross_prefix}${nm_default}"
4130 pkg_config_default="${cross_prefix}${pkg_config_default}"
4131 if ${cross_prefix}${ranlib_default} 2>&1 | grep -q "\-D "; then
4132     ranlib_default="${cross_prefix}${ranlib_default} -D"
4133 else
4134     ranlib_default="${cross_prefix}${ranlib_default}"
4135 fi
4136 strip_default="${cross_prefix}${strip_default}"
4137 windres_default="${cross_prefix}${windres_default}"
4138
4139 sysinclude_default="${sysroot}/usr/include"
4140
4141 set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \
4142     target_exec target_os x86asmexe nvcc
4143 enabled cross_compile || host_cc_default=$cc
4144 set_default host_cc
4145
4146 pkg_config_fail_message=""
4147 if ! $pkg_config --version >/dev/null 2>&1; then
4148     warn "$pkg_config not found, library detection may fail."
4149     pkg_config=false
4150 elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then
4151     pkg_config_fail_message="
4152 Note: When building a static binary, add --pkg-config-flags=\"--static\"."
4153 fi
4154
4155 if test $doxygen != $doxygen_default && \
4156   ! $doxygen --version >/dev/null 2>&1; then
4157     warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."
4158 fi
4159
4160 exesuf() {
4161     case $1 in
4162         mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
4163     esac
4164 }
4165
4166 EXESUF=$(exesuf $target_os)
4167 HOSTEXESUF=$(exesuf $host_os)
4168
4169 # set temporary file name
4170 : ${TMPDIR:=$TEMPDIR}
4171 : ${TMPDIR:=$TMP}
4172 : ${TMPDIR:=/tmp}
4173
4174 if [ -n "$tempprefix" ] ; then
4175     mktemp(){
4176         tmpname="$tempprefix.${HOSTNAME}.${UID}"
4177         echo "$tmpname"
4178         mkdir "$tmpname"
4179     }
4180 elif ! test_cmd mktemp -u XXXXXX; then