Merge commit '4064f42889685e7122cfad4934b060098c147753'
[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   --disable-ffserver       disable ffserver build
120
121 Documentation options:
122   --disable-doc            do not build documentation
123   --disable-htmlpages      do not build HTML documentation pages
124   --disable-manpages       do not build man documentation pages
125   --disable-podpages       do not build POD documentation pages
126   --disable-txtpages       do not build text documentation pages
127
128 Component options:
129   --disable-avdevice       disable libavdevice build
130   --disable-avcodec        disable libavcodec build
131   --disable-avformat       disable libavformat build
132   --disable-swresample     disable libswresample build
133   --disable-swscale        disable libswscale build
134   --disable-postproc       disable libpostproc build
135   --disable-avfilter       disable libavfilter build
136   --enable-avresample      enable libavresample build [no]
137   --disable-pthreads       disable pthreads [autodetect]
138   --disable-w32threads     disable Win32 threads [autodetect]
139   --disable-os2threads     disable OS/2 threads [autodetect]
140   --disable-network        disable network support [no]
141   --disable-dct            disable DCT code
142   --disable-dwt            disable DWT code
143   --disable-error-resilience disable error resilience code
144   --disable-lsp            disable LSP code
145   --disable-lzo            disable LZO decoder code
146   --disable-mdct           disable MDCT code
147   --disable-rdft           disable RDFT code
148   --disable-fft            disable FFT code
149   --disable-faan           disable floating point AAN (I)DCT code
150   --disable-pixelutils     disable pixel utils in libavutil
151
152 Individual component options:
153   --disable-everything     disable all components listed below
154   --disable-encoder=NAME   disable encoder NAME
155   --enable-encoder=NAME    enable encoder NAME
156   --disable-encoders       disable all encoders
157   --disable-decoder=NAME   disable decoder NAME
158   --enable-decoder=NAME    enable decoder NAME
159   --disable-decoders       disable all decoders
160   --disable-hwaccel=NAME   disable hwaccel NAME
161   --enable-hwaccel=NAME    enable hwaccel NAME
162   --disable-hwaccels       disable all hwaccels
163   --disable-muxer=NAME     disable muxer NAME
164   --enable-muxer=NAME      enable muxer NAME
165   --disable-muxers         disable all muxers
166   --disable-demuxer=NAME   disable demuxer NAME
167   --enable-demuxer=NAME    enable demuxer NAME
168   --disable-demuxers       disable all demuxers
169   --enable-parser=NAME     enable parser NAME
170   --disable-parser=NAME    disable parser NAME
171   --disable-parsers        disable all parsers
172   --enable-bsf=NAME        enable bitstream filter NAME
173   --disable-bsf=NAME       disable bitstream filter NAME
174   --disable-bsfs           disable all bitstream filters
175   --enable-protocol=NAME   enable protocol NAME
176   --disable-protocol=NAME  disable protocol NAME
177   --disable-protocols      disable all protocols
178   --enable-indev=NAME      enable input device NAME
179   --disable-indev=NAME     disable input device NAME
180   --disable-indevs         disable input devices
181   --enable-outdev=NAME     enable output device NAME
182   --disable-outdev=NAME    disable output device NAME
183   --disable-outdevs        disable output devices
184   --disable-devices        disable all devices
185   --enable-filter=NAME     enable filter NAME
186   --disable-filter=NAME    disable filter NAME
187   --disable-filters        disable all filters
188   --disable-v4l2_m2m       disable V4L2 mem2mem code [autodetect]
189
190 External library support:
191
192   Using any of the following switches will allow FFmpeg to link to the
193   corresponding external library. All the components depending on that library
194   will become enabled, if all their other dependencies are met and they are not
195   explicitly disabled. E.g. --enable-libwavpack will enable linking to
196   libwavpack and allow the libwavpack encoder to be built, unless it is
197   specifically disabled with --disable-encoder=libwavpack.
198
199   Note that only the system libraries are auto-detected. All the other external
200   libraries must be explicitly enabled.
201
202   Also note that the following help text describes the purpose of the libraries
203   themselves, not all their features will necessarily be usable by FFmpeg.
204
205   --disable-alsa           disable ALSA support [autodetect]
206   --disable-appkit         disable Apple AppKit framework [autodetect]
207   --disable-avfoundation   disable Apple AVFoundation framework [autodetect]
208   --enable-avisynth        enable reading of AviSynth script files [no]
209   --disable-bzlib          disable bzlib [autodetect]
210   --disable-coreimage      disable Apple CoreImage framework [autodetect]
211   --enable-chromaprint     enable audio fingerprinting with chromaprint [no]
212   --enable-frei0r          enable frei0r video filtering [no]
213   --enable-gcrypt          enable gcrypt, needed for rtmp(t)e support
214                            if openssl, librtmp or gmp is not used [no]
215   --enable-gmp             enable gmp, needed for rtmp(t)e support
216                            if openssl or librtmp is not used [no]
217   --enable-gnutls          enable gnutls, needed for https support
218                            if openssl is not used [no]
219   --disable-iconv          disable iconv [autodetect]
220   --enable-jni             enable JNI support [no]
221   --enable-ladspa          enable LADSPA audio filtering [no]
222   --enable-libass          enable libass subtitles rendering,
223                            needed for subtitles and ass filter [no]
224   --enable-libbluray       enable BluRay reading using libbluray [no]
225   --enable-libbs2b         enable bs2b DSP library [no]
226   --enable-libcaca         enable textual display using libcaca [no]
227   --enable-libcelt         enable CELT decoding via libcelt [no]
228   --enable-libcdio         enable audio CD grabbing with libcdio [no]
229   --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394
230                            and libraw1394 [no]
231   --enable-libfdk-aac      enable AAC de/encoding via libfdk-aac [no]
232   --enable-libflite        enable flite (voice synthesis) support via libflite [no]
233   --enable-libfontconfig   enable libfontconfig, useful for drawtext filter [no]
234   --enable-libfreetype     enable libfreetype, needed for drawtext filter [no]
235   --enable-libfribidi      enable libfribidi, improves drawtext filter [no]
236   --enable-libgme          enable Game Music Emu via libgme [no]
237   --enable-libgsm          enable GSM de/encoding via libgsm [no]
238   --enable-libiec61883     enable iec61883 via libiec61883 [no]
239   --enable-libilbc         enable iLBC de/encoding via libilbc [no]
240   --enable-libjack         enable JACK audio sound server [no]
241   --enable-libkvazaar      enable HEVC encoding via libkvazaar [no]
242   --enable-libmodplug      enable ModPlug via libmodplug [no]
243   --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]
244   --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
245   --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
246   --enable-libopencv       enable video filtering via libopencv [no]
247   --enable-libopenh264     enable H.264 encoding via OpenH264 [no]
248   --enable-libopenjpeg     enable JPEG 2000 de/encoding via OpenJPEG [no]
249   --enable-libopenmpt      enable decoding tracked files via libopenmpt [no]
250   --enable-libopus         enable Opus de/encoding via libopus [no]
251   --enable-libpulse        enable Pulseaudio input via libpulse [no]
252   --enable-librsvg         enable SVG rasterization via librsvg [no]
253   --enable-librubberband   enable rubberband needed for rubberband filter [no]
254   --enable-librtmp         enable RTMP[E] support via librtmp [no]
255   --enable-libshine        enable fixed-point MP3 encoding via libshine [no]
256   --enable-libsmbclient    enable Samba protocol via libsmbclient [no]
257   --enable-libsnappy       enable Snappy compression, needed for hap encoding [no]
258   --enable-libsoxr         enable Include libsoxr resampling [no]
259   --enable-libspeex        enable Speex de/encoding via libspeex [no]
260   --enable-libssh          enable SFTP protocol via libssh [no]
261   --enable-libtesseract    enable Tesseract, needed for ocr filter [no]
262   --enable-libtheora       enable Theora encoding via libtheora [no]
263   --enable-libtwolame      enable MP2 encoding via libtwolame [no]
264   --enable-libv4l2         enable libv4l2/v4l-utils [no]
265   --enable-libvidstab      enable video stabilization using vid.stab [no]
266   --enable-libvmaf         enable vmaf filter via libvmaf [no]
267   --enable-libvo-amrwbenc  enable AMR-WB encoding via libvo-amrwbenc [no]
268   --enable-libvorbis       enable Vorbis en/decoding via libvorbis,
269                            native implementation exists [no]
270   --enable-libvpx          enable VP8 and VP9 de/encoding via libvpx [no]
271   --enable-libwavpack      enable wavpack encoding via libwavpack [no]
272   --enable-libwebp         enable WebP encoding via libwebp [no]
273   --enable-libx264         enable H.264 encoding via x264 [no]
274   --enable-libx265         enable HEVC encoding via x265 [no]
275   --enable-libxavs         enable AVS encoding via xavs [no]
276   --enable-libxcb          enable X11 grabbing using XCB [autodetect]
277   --enable-libxcb-shm      enable X11 grabbing shm communication [autodetect]
278   --enable-libxcb-xfixes   enable X11 grabbing mouse rendering [autodetect]
279   --enable-libxcb-shape    enable X11 grabbing shape rendering [autodetect]
280   --enable-libxvid         enable Xvid encoding via xvidcore,
281                            native MPEG-4/Xvid encoder exists [no]
282   --enable-libxml2         enable XML parsing using the C library libxml2 [no]
283   --enable-libzimg         enable z.lib, needed for zscale filter [no]
284   --enable-libzmq          enable message passing via libzmq [no]
285   --enable-libzvbi         enable teletext support via libzvbi [no]
286   --disable-lzma           disable lzma [autodetect]
287   --enable-decklink        enable Blackmagic DeckLink I/O support [no]
288   --enable-libndi_newtek   enable Newteck NDI I/O support [no]
289   --enable-mediacodec      enable Android MediaCodec support [no]
290   --enable-libmysofa       enable libmysofa, needed for sofalizer filter [no]
291   --enable-openal          enable OpenAL 1.1 capture support [no]
292   --enable-opencl          enable OpenCL code
293   --enable-opengl          enable OpenGL rendering [no]
294   --enable-openssl         enable openssl, needed for https support
295                            if gnutls is not used [no]
296   --disable-sndio          disable sndio support [autodetect]
297   --disable-schannel       disable SChannel SSP, needed for TLS support on
298                            Windows if openssl and gnutls are not used [autodetect]
299   --disable-sdl2           disable sdl2 [autodetect]
300   --disable-securetransport disable Secure Transport, needed for TLS support
301                            on OSX if openssl and gnutls are not used [autodetect]
302   --disable-xlib           disable xlib [autodetect]
303   --disable-zlib           disable zlib [autodetect]
304
305   The following libraries provide various hardware acceleration features:
306   --disable-audiotoolbox   disable Apple AudioToolbox code [autodetect]
307   --disable-cuda           disable dynamically linked Nvidia CUDA code [autodetect]
308   --enable-cuda-sdk        enable CUDA features that require the CUDA SDK [no]
309   --disable-cuvid          disable Nvidia CUVID support [autodetect]
310   --disable-d3d11va        disable Microsoft Direct3D 11 video acceleration code [autodetect]
311   --disable-dxva2          disable Microsoft DirectX 9 video acceleration code [autodetect]
312   --enable-libdrm          enable DRM code (Linux) [no]
313   --enable-libmfx          enable Intel MediaSDK (AKA Quick Sync Video) code via libmfx [no]
314   --enable-libnpp          enable Nvidia Performance Primitives-based code [no]
315   --enable-mmal            enable Broadcom Multi-Media Abstraction Layer (Raspberry Pi) via MMAL [no]
316   --disable-nvdec          disable Nvidia video decoding acceleration (via hwaccel) [autodetect]
317   --disable-nvenc          disable Nvidia video encoding code [autodetect]
318   --enable-omx             enable OpenMAX IL code [no]
319   --enable-omx-rpi         enable OpenMAX IL code for Raspberry Pi [no]
320   --enable-rkmpp           enable Rockchip Media Process Platform code [no]
321   --disable-vaapi          disable Video Acceleration API (mainly Unix/Intel) code [autodetect]
322   --disable-vdpau          disable Nvidia Video Decode and Presentation API for Unix code [autodetect]
323   --disable-videotoolbox   disable VideoToolbox code [autodetect]
324
325 Toolchain options:
326   --arch=ARCH              select architecture [$arch]
327   --cpu=CPU                select the minimum required CPU (affects
328                            instruction selection, may crash on older CPUs)
329   --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]
330   --progs-suffix=SUFFIX    program name suffix []
331   --enable-cross-compile   assume a cross-compiler is used
332   --sysroot=PATH           root of cross-build tree
333   --sysinclude=PATH        location of cross-build system headers
334   --target-os=OS           compiler targets OS [$target_os]
335   --target-exec=CMD        command to run executables on target
336   --target-path=DIR        path to view of build directory on target
337   --target-samples=DIR     path to samples directory on target
338   --tempprefix=PATH        force fixed dir/prefix instead of mktemp for checks
339   --toolchain=NAME         set tool defaults according to NAME
340   --nm=NM                  use nm tool NM [$nm_default]
341   --ar=AR                  use archive tool AR [$ar_default]
342   --as=AS                  use assembler AS [$as_default]
343   --ln_s=LN_S              use symbolic link tool LN_S [$ln_s_default]
344   --strip=STRIP            use strip tool STRIP [$strip_default]
345   --windres=WINDRES        use windows resource compiler WINDRES [$windres_default]
346   --x86asmexe=EXE          use nasm-compatible assembler EXE [$x86asmexe_default]
347   --cc=CC                  use C compiler CC [$cc_default]
348   --cxx=CXX                use C compiler CXX [$cxx_default]
349   --objcc=OCC              use ObjC compiler OCC [$cc_default]
350   --dep-cc=DEPCC           use dependency generator DEPCC [$cc_default]
351   --nvcc=NVCC              use Nvidia CUDA compiler NVCC [$nvcc_default]
352   --ld=LD                  use linker LD [$ld_default]
353   --pkg-config=PKGCONFIG   use pkg-config tool PKGCONFIG [$pkg_config_default]
354   --pkg-config-flags=FLAGS pass additional flags to pkgconf []
355   --ranlib=RANLIB          use ranlib RANLIB [$ranlib_default]
356   --doxygen=DOXYGEN        use DOXYGEN to generate API doc [$doxygen_default]
357   --host-cc=HOSTCC         use host C compiler HOSTCC
358   --host-cflags=HCFLAGS    use HCFLAGS when compiling for host
359   --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
360   --host-ld=HOSTLD         use host linker HOSTLD
361   --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host
362   --host-libs=HLIBS        use libs HLIBS when linking for host
363   --host-os=OS             compiler host OS [$target_os]
364   --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]
365   --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
366   --extra-objcflags=FLAGS  add FLAGS to OBJCFLAGS [$CFLAGS]
367   --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
368   --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
369   --extra-ldsoflags=ELDFLAGS add ELDFLAGS to LDSOFLAGS [$LDSOFLAGS]
370   --extra-libs=ELIBS       add ELIBS [$ELIBS]
371   --extra-version=STRING   version string suffix []
372   --optflags=OPTFLAGS      override optimization-related compiler flags
373   --nvccflags=NVCCFLAGS    override nvcc flags [$nvccflags_default]
374   --build-suffix=SUFFIX    library name suffix []
375   --enable-pic             build position-independent code
376   --enable-thumb           compile for Thumb instruction set
377   --enable-lto             use link-time optimization
378   --env="ENV=override"     override the environment variables
379
380 Advanced options (experts only):
381   --malloc-prefix=PREFIX   prefix malloc and related names with PREFIX
382   --custom-allocator=NAME  use a supported custom allocator
383   --disable-symver         disable symbol versioning
384   --enable-hardcoded-tables use hardcoded tables instead of runtime generation
385   --disable-safe-bitstream-reader
386                            disable buffer boundary checking in bitreaders
387                            (faster, but may crash)
388   --sws-max-filter-size=N  the max filter size swscale uses [$sws_max_filter_size_default]
389
390 Optimization options (experts only):
391   --disable-asm            disable all assembly optimizations
392   --disable-altivec        disable AltiVec optimizations
393   --disable-vsx            disable VSX optimizations
394   --disable-power8         disable POWER8 optimizations
395   --disable-amd3dnow       disable 3DNow! optimizations
396   --disable-amd3dnowext    disable 3DNow! extended optimizations
397   --disable-mmx            disable MMX optimizations
398   --disable-mmxext         disable MMXEXT optimizations
399   --disable-sse            disable SSE optimizations
400   --disable-sse2           disable SSE2 optimizations
401   --disable-sse3           disable SSE3 optimizations
402   --disable-ssse3          disable SSSE3 optimizations
403   --disable-sse4           disable SSE4 optimizations
404   --disable-sse42          disable SSE4.2 optimizations
405   --disable-avx            disable AVX optimizations
406   --disable-xop            disable XOP optimizations
407   --disable-fma3           disable FMA3 optimizations
408   --disable-fma4           disable FMA4 optimizations
409   --disable-avx2           disable AVX2 optimizations
410   --disable-aesni          disable AESNI optimizations
411   --disable-armv5te        disable armv5te optimizations
412   --disable-armv6          disable armv6 optimizations
413   --disable-armv6t2        disable armv6t2 optimizations
414   --disable-vfp            disable VFP optimizations
415   --disable-neon           disable NEON optimizations
416   --disable-inline-asm     disable use of inline assembly
417   --disable-x86asm         disable use of standalone x86 assembly
418   --disable-mipsdsp        disable MIPS DSP ASE R1 optimizations
419   --disable-mipsdspr2      disable MIPS DSP ASE R2 optimizations
420   --disable-msa            disable MSA optimizations
421   --disable-mipsfpu        disable floating point MIPS optimizations
422   --disable-mmi            disable Loongson SIMD optimizations
423   --disable-fast-unaligned consider unaligned accesses slow
424
425 Developer options (useful when working on FFmpeg itself):
426   --disable-debug          disable debugging symbols
427   --enable-debug=LEVEL     set the debug level [$debuglevel]
428   --disable-optimizations  disable compiler optimizations
429   --enable-extra-warnings  enable more compiler warnings
430   --disable-stripping      disable stripping of executables and shared libraries
431   --assert-level=level     0(default), 1 or 2, amount of assertion testing,
432                            2 causes a slowdown at runtime.
433   --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
434   --valgrind=VALGRIND      run "make fate" tests through valgrind to detect memory
435                            leaks and errors, using the specified valgrind binary.
436                            Cannot be combined with --target-exec
437   --enable-ftrapv          Trap arithmetic overflows
438   --samples=PATH           location of test samples for FATE, if not set use
439                            \$FATE_SAMPLES at make invocation time.
440   --enable-neon-clobber-test check NEON registers for clobbering (should be
441                            used only for debugging purposes)
442   --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
443                            should be used only for debugging purposes)
444   --enable-random          randomly enable/disable components
445   --disable-random
446   --enable-random=LIST     randomly enable/disable specific components or
447   --disable-random=LIST    component groups. LIST is a comma-separated list
448                            of NAME[:PROB] entries where NAME is a component
449                            (group) and PROB the probability associated with
450                            NAME (default 0.5).
451   --random-seed=VALUE      seed value for --enable/disable-random
452   --disable-valgrind-backtrace do not print a backtrace under Valgrind
453                            (only applies to --disable-optimizations builds)
454   --enable-osfuzz          Enable building fuzzer tool
455   --libfuzzer=PATH         path to libfuzzer
456   --ignore-tests=TESTS     comma-separated list (without "fate-" prefix
457                            in the name) of tests whose result is ignored
458   --enable-linux-perf      enable Linux Performance Monitor API
459
460 NOTE: Object files are built at the place where configure is launched.
461 EOF
462   exit 0
463 }
464
465 quotes='""'
466 if test -t 1 && which tput >/dev/null 2>&1; then
467     ncolors=$(tput colors)
468     if test -n "$ncolors" && test $ncolors -ge 8; then
469         bold_color=$(tput bold)
470         warn_color=$(tput setaf 3)
471         error_color=$(tput setaf 1)
472         reset_color=$(tput sgr0)
473     fi
474     # 72 used instead of 80 since that's the default of pr
475     ncols=$(tput cols)
476 fi
477 : ${ncols:=72}
478
479 log(){
480     echo "$@" >> $logfile
481 }
482
483 log_file(){
484     log BEGIN $1
485     pr -n -t $1 >> $logfile
486     log END $1
487 }
488
489 warn(){
490     log "WARNING: $*"
491     WARNINGS="${WARNINGS}WARNING: $*\n"
492 }
493
494 die(){
495     log "$@"
496     echo "$error_color$bold_color$@$reset_color"
497     cat <<EOF
498
499 If you think configure made a mistake, make sure you are using the latest
500 version from Git.  If the latest version fails, report the problem to the
501 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
502 EOF
503     if disabled logging; then
504         cat <<EOF
505 Rerun configure with logging enabled (do not use --disable-logging), and
506 include the log this produces with your report.
507 EOF
508     else
509         cat <<EOF
510 Include the log file "$logfile" produced by configure as this will help
511 solve the problem.
512 EOF
513     fi
514     exit 1
515 }
516
517 # Avoid locale weirdness, besides we really just want to translate ASCII.
518 toupper(){
519     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
520 }
521
522 tolower(){
523     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
524 }
525
526 c_escape(){
527     echo "$*" | sed 's/["\\]/\\\0/g'
528 }
529
530 sh_quote(){
531     v=$(echo "$1" | sed "s/'/'\\\\''/g")
532     test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
533     echo "$v"
534 }
535
536 cleanws(){
537     echo "$@" | sed 's/^ *//;s/[[:space:]][[:space:]]*/ /g;s/ *$//'
538 }
539
540 filter(){
541     pat=$1
542     shift
543     for v; do
544         eval "case '$v' in $pat) printf '%s ' '$v' ;; esac"
545     done
546 }
547
548 filter_out(){
549     pat=$1
550     shift
551     for v; do
552         eval "case '$v' in $pat) ;; *) printf '%s ' '$v' ;; esac"
553     done
554 }
555
556 map(){
557     m=$1
558     shift
559     for v; do eval $m; done
560 }
561
562 add_suffix(){
563     suffix=$1
564     shift
565     for v; do echo ${v}${suffix}; done
566 }
567
568 set_all(){
569     value=$1
570     shift
571     for var in $*; do
572         eval $var=$value
573     done
574 }
575
576 set_weak(){
577     value=$1
578     shift
579     for var; do
580         eval : \${$var:=$value}
581     done
582 }
583
584 sanitize_var_name(){
585     echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
586 }
587
588 set_sanitized(){
589     var=$1
590     shift
591     eval $(sanitize_var_name "$var")='$*'
592 }
593
594 get_sanitized(){
595     eval echo \$$(sanitize_var_name "$1")
596 }
597
598 pushvar(){
599     for pvar in $*; do
600         eval level=\${${pvar}_level:=0}
601         eval ${pvar}_${level}="\$$pvar"
602         eval ${pvar}_level=$(($level+1))
603     done
604 }
605
606 popvar(){
607     for pvar in $*; do
608         eval level=\${${pvar}_level:-0}
609         test $level = 0 && continue
610         eval level=$(($level-1))
611         eval $pvar="\${${pvar}_${level}}"
612         eval ${pvar}_level=$level
613         eval unset ${pvar}_${level}
614     done
615 }
616
617 request(){
618     for var in $*; do
619         eval ${var}_requested=yes
620         eval $var=
621     done
622 }
623
624 enable(){
625     set_all yes $*
626 }
627
628 disable(){
629     set_all no $*
630 }
631
632 enable_weak(){
633     set_weak yes $*
634 }
635
636 disable_weak(){
637     set_weak no $*
638 }
639
640 enable_sanitized(){
641     for var; do
642         enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
643     done
644 }
645
646 disable_sanitized(){
647     for var; do
648         disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
649     done
650 }
651
652 do_enable_deep(){
653     for var; do
654         enabled $var && continue
655         eval sel="\$${var}_select"
656         eval sgs="\$${var}_suggest"
657         pushvar var sgs
658         enable_deep $sel
659         popvar sgs
660         enable_deep_weak $sgs
661         popvar var
662     done
663 }
664
665 enable_deep(){
666     do_enable_deep $*
667     enable $*
668 }
669
670 enable_deep_weak(){
671     for var; do
672         disabled $var && continue
673         pushvar var
674         do_enable_deep $var
675         popvar var
676         enable_weak $var
677     done
678 }
679
680 requested(){
681     test "${1#!}" = "$1" && op='=' || op=!=
682     eval test "x\$${1#!}_requested" $op "xyes"
683 }
684
685 enabled(){
686     test "${1#!}" = "$1" && op='=' || op=!=
687     eval test "x\$${1#!}" $op "xyes"
688 }
689
690 disabled(){
691     test "${1#!}" = "$1" && op='=' || op=!=
692     eval test "x\$${1#!}" $op "xno"
693 }
694
695 enabled_all(){
696     for opt; do
697         enabled $opt || return 1
698     done
699 }
700
701 disabled_all(){
702     for opt; do
703         disabled $opt || return 1
704     done
705 }
706
707 enabled_any(){
708     for opt; do
709         enabled $opt && return 0
710     done
711 }
712
713 disabled_any(){
714     for opt; do
715         disabled $opt && return 0
716     done
717     return 1
718 }
719
720 set_default(){
721     for opt; do
722         eval : \${$opt:=\$${opt}_default}
723     done
724 }
725
726 is_in(){
727     value=$1
728     shift
729     for var in $*; do
730         [ $var = $value ] && return 0
731     done
732     return 1
733 }
734
735 check_deps(){
736     for cfg; do
737         enabled ${cfg}_checking && die "Circular dependency for $cfg."
738         disabled ${cfg}_checking && continue
739         enable ${cfg}_checking
740
741         eval dep_all="\$${cfg}_deps"
742         eval dep_any="\$${cfg}_deps_any"
743         eval dep_con="\$${cfg}_conflict"
744         eval dep_sel="\$${cfg}_select"
745         eval dep_sgs="\$${cfg}_suggest"
746         eval dep_ifa="\$${cfg}_if"
747         eval dep_ifn="\$${cfg}_if_any"
748
749         pushvar cfg dep_all dep_any dep_con dep_sel dep_sgs dep_ifa dep_ifn
750         check_deps $dep_all $dep_any $dep_con $dep_sel $dep_sgs $dep_ifa $dep_ifn
751         popvar cfg dep_all dep_any dep_con dep_sel dep_sgs dep_ifa dep_ifn
752
753         [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
754         [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
755         enabled_all  $dep_all || { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but not all dependencies are satisfied: $dep_all"; }
756         enabled_any  $dep_any || { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but not any dependency is satisfied: $dep_any"; }
757         disabled_all $dep_con || { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but some conflicting dependencies are unsatisfied: $dep_con"; }
758         disabled_any $dep_sel && { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but some selected dependency is unsatisfied: $dep_sel"; }
759
760         enabled $cfg && enable_deep_weak $dep_sel $dep_sgs
761
762         for dep in $dep_all $dep_any $dep_sel $dep_sgs; do
763             # filter out library deps, these do not belong in extralibs
764             is_in $dep $LIBRARY_LIST && continue
765             enabled $dep && eval append ${cfg}_extralibs ${dep}_extralibs
766         done
767
768         disable ${cfg}_checking
769     done
770 }
771
772 print_config(){
773     pfx=$1
774     files=$2
775     shift 2
776     map 'eval echo "$v \${$v:-no}"' "$@" |
777     awk "BEGIN { split(\"$files\", files) }
778         {
779             c = \"$pfx\" toupper(\$1);
780             v = \$2;
781             sub(/yes/, 1, v);
782             sub(/no/,  0, v);
783             for (f in files) {
784                 file = files[f];
785                 if (file ~ /\\.h\$/) {
786                     printf(\"#define %s %d\\n\", c, v) >>file;
787                 } else if (file ~ /\\.asm\$/) {
788                     printf(\"%%define %s %d\\n\", c, v) >>file;
789                 } else if (file ~ /\\.mak\$/) {
790                     n = -v ? \"\" : \"!\";
791                     printf(\"%s%s=yes\\n\", n, c) >>file;
792                 } else if (file ~ /\\.texi\$/) {
793                     pre = -v ? \"\" : \"@c \";
794                     yesno = \$2;
795                     c2 = tolower(c);
796                     gsub(/_/, \"-\", c2);
797                     printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
798                 }
799             }
800         }"
801 }
802
803 print_enabled(){
804     suf=$1
805     shift
806     for v; do
807         enabled $v && printf "%s\n" ${v%$suf}
808     done
809 }
810
811 append(){
812     var=$1
813     shift
814     eval "$var=\"\$$var $*\""
815 }
816
817 prepend(){
818     var=$1
819     shift
820     eval "$var=\"$* \$$var\""
821 }
822
823 unique(){
824     var=$1
825     uniq_list=""
826     for tok in $(eval echo \$$var); do
827         uniq_list="$(filter_out $tok $uniq_list) $tok"
828     done
829     eval "$var=\"${uniq_list}\""
830 }
831
832 resolve(){
833     var=$1
834     tmpvar=
835     for entry in $(eval echo \$$var); do
836         tmpvar="$tmpvar $(eval echo \$${entry})"
837     done
838     eval "$var=\"${tmpvar}\""
839 }
840
841 add_cppflags(){
842     append CPPFLAGS "$@"
843 }
844
845 add_cflags(){
846     append CFLAGS $($cflags_filter "$@")
847 }
848
849 add_cflags_headers(){
850     append CFLAGS_HEADERS $($cflags_filter "$@")
851 }
852
853 add_cxxflags(){
854     append CXXFLAGS $($cflags_filter "$@")
855 }
856
857 add_asflags(){
858     append ASFLAGS $($asflags_filter "$@")
859 }
860
861 add_objcflags(){
862     append OBJCFLAGS $($objcflags_filter "$@")
863 }
864
865 add_ldflags(){
866     append LDFLAGS $($ldflags_filter "$@")
867 }
868
869 add_ldexeflags(){
870     append LDEXEFLAGS $($ldflags_filter "$@")
871 }
872
873 add_ldsoflags(){
874     append LDSOFLAGS $($ldflags_filter "$@")
875 }
876
877 add_stripflags(){
878     append ASMSTRIPFLAGS "$@"
879 }
880
881 add_extralibs(){
882     prepend extralibs $($ldflags_filter "$@")
883 }
884
885 add_host_cppflags(){
886     append host_cppflags "$@"
887 }
888
889 add_host_cflags(){
890     append host_cflags $($host_cflags_filter "$@")
891 }
892
893 add_host_ldflags(){
894     append host_ldflags $($host_ldflags_filter "$@")
895 }
896
897 add_compat(){
898     append compat_objs $1
899     shift
900     map 'add_cppflags -D$v' "$@"
901 }
902
903 check_cmd(){
904     log "$@"
905     "$@" >> $logfile 2>&1
906 }
907
908 check_stat(){
909     log check_stat "$@"
910     stat "$1" >> $logfile 2>&1
911 }
912
913 cc_o(){
914     eval printf '%s\\n' $CC_O
915 }
916
917 cc_e(){
918     eval printf '%s\\n' $CC_E
919 }
920
921 check_cc(){
922     log check_cc "$@"
923     cat > $TMPC
924     log_file $TMPC
925     check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
926 }
927
928 check_cxx(){
929     log check_cxx "$@"
930     cat > $TMPCPP
931     log_file $TMPCPP
932     check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
933 }
934
935 check_objcc(){
936     log check_objcc "$@"
937     cat > $TMPM
938     log_file $TMPM
939     check_cmd $objcc -Werror=missing-prototypes $CPPFLAGS $CFLAGS $OBJCFLAGS "$@" $OBJCC_C $(cc_o $TMPO) $TMPM
940 }
941
942 check_cpp(){
943     log check_cpp "$@"
944     cat > $TMPC
945     log_file $TMPC
946     check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
947 }
948
949 as_o(){
950     eval printf '%s\\n' $AS_O
951 }
952
953 check_as(){
954     log check_as "$@"
955     cat > $TMPS
956     log_file $TMPS
957     check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
958 }
959
960 check_inline_asm(){
961     log check_inline_asm "$@"
962     name="$1"
963     code="$2"
964     shift 2
965     disable $name
966     check_cc "$@" <<EOF && enable $name
967 void foo(void){ __asm__ volatile($code); }
968 EOF
969 }
970
971 check_inline_asm_flags(){
972     log check_inline_asm_flags "$@"
973     name="$1"
974     code="$2"
975     flags=''
976     shift 2
977     while [ "$1" != "" ]; do
978       append flags $1
979       shift
980     done;
981     disable $name
982     cat > $TMPC <<EOF
983 void foo(void){ __asm__ volatile($code); }
984 EOF
985     log_file $TMPC
986     check_cmd $cc $CPPFLAGS $CFLAGS $flags "$@" $CC_C $(cc_o $TMPO) $TMPC &&
987     enable $name && add_cflags $flags && add_asflags $flags && add_ldflags $flags
988 }
989
990 check_insn(){
991     log check_insn "$@"
992     check_inline_asm ${1}_inline "\"$2\""
993     echo "$2" | check_as && enable ${1}_external || disable ${1}_external
994 }
995
996 check_x86asm(){
997     log check_x86asm "$@"
998     echo "$1" > $TMPS
999     log_file $TMPS
1000     shift 1
1001     check_cmd $x86asmexe $X86ASMFLAGS -Werror "$@" -o $TMPO $TMPS
1002 }
1003
1004 ld_o(){
1005     eval printf '%s\\n' $LD_O
1006 }
1007
1008 check_ld(){
1009     log check_ld "$@"
1010     type=$1
1011     shift 1
1012     flags=$(filter_out '-l*|*.so' $@)
1013     libs=$(filter '-l*|*.so' $@)
1014     check_$type $($cflags_filter $flags) || return
1015     flags=$($ldflags_filter $flags)
1016     libs=$($ldflags_filter $libs)
1017     check_cmd $ld $LDFLAGS $LDEXEFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
1018 }
1019
1020 print_include(){
1021     hdr=$1
1022     test "${hdr%.h}" = "${hdr}" &&
1023         echo "#include $hdr"    ||
1024         echo "#include <$hdr>"
1025 }
1026
1027 check_code(){
1028     log check_code "$@"
1029     check=$1
1030     headers=$2
1031     code=$3
1032     shift 3
1033     {
1034         for hdr in $headers; do
1035             print_include $hdr
1036         done
1037         echo "int main(void) { $code; return 0; }"
1038     } | check_$check "$@"
1039 }
1040
1041 check_cppflags(){
1042     log check_cppflags "$@"
1043     check_cpp "$@" <<EOF && append CPPFLAGS "$@"
1044 #include <stdlib.h>
1045 EOF
1046 }
1047
1048 test_cflags(){
1049     log test_cflags "$@"
1050     set -- $($cflags_filter "$@")
1051     check_cc "$@" <<EOF
1052 int x;
1053 EOF
1054 }
1055
1056 check_cflags(){
1057     log check_cflags "$@"
1058     test_cflags "$@" && add_cflags "$@"
1059 }
1060
1061 check_cxxflags(){
1062     log check_cxxflags "$@"
1063     set -- $($cflags_filter "$@")
1064     check_cxx "$@" <<EOF && append CXXFLAGS "$@"
1065 int x;
1066 EOF
1067 }
1068
1069 test_objcflags(){
1070     log test_objcflags "$@"
1071     set -- $($objcflags_filter "$@")
1072     check_objcc "$@" <<EOF
1073 int x;
1074 EOF
1075 }
1076
1077 check_objcflags(){
1078     log check_objcflags "$@"
1079     test_objcflags "$@" && add_objcflags "$@"
1080 }
1081
1082 test_ldflags(){
1083     log test_ldflags "$@"
1084     check_ld "cc" "$@" <<EOF
1085 int main(void){ return 0; }
1086 EOF
1087 }
1088
1089 check_ldflags(){
1090     log check_ldflags "$@"
1091     test_ldflags "$@" && add_ldflags "$@"
1092 }
1093
1094 test_stripflags(){
1095     log test_stripflags "$@"
1096     # call check_cc to get a fresh TMPO
1097     check_cc <<EOF
1098 int main(void) { return 0; }
1099 EOF
1100     check_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO
1101 }
1102
1103 check_stripflags(){
1104     log check_stripflags "$@"
1105     test_stripflags "$@" && add_stripflags "$@"
1106 }
1107
1108 check_header(){
1109     log check_header "$@"
1110     header=$1
1111     shift
1112     disable_sanitized $header
1113     check_cpp "$@" <<EOF && enable_sanitized $header
1114 #include <$header>
1115 int x;
1116 EOF
1117 }
1118
1119 check_header_objcc(){
1120     log check_header_objcc "$@"
1121     rm -f -- "$TMPO"
1122     header=$1
1123     shift
1124     disable_sanitized $header
1125     {
1126        echo "#include <$header>"
1127        echo "int main(void) { return 0; }"
1128     } | check_objcc && check_stat "$TMPO" && enable_sanitized $header
1129 }
1130
1131 check_apple_framework(){
1132     log check_apple_framework "$@"
1133     framework="$1"
1134     name="$(tolower $framework)"
1135     header="${framework}/${framework}.h"
1136     disable $name
1137     check_header_objcc $header &&
1138         enable $name && eval ${name}_extralibs='"-framework $framework"'
1139 }
1140
1141 check_func(){
1142     log check_func "$@"
1143     func=$1
1144     shift
1145     disable $func
1146     check_ld "cc" "$@" <<EOF && enable $func
1147 extern int $func();
1148 int main(void){ $func(); }
1149 EOF
1150 }
1151
1152 check_complexfunc(){
1153     log check_complexfunc "$@"
1154     func=$1
1155     narg=$2
1156     shift 2
1157     test $narg = 2 && args="f, g" || args="f * I"
1158     disable $func
1159     check_ld "cc" "$@" <<EOF && enable $func
1160 #include <complex.h>
1161 #include <math.h>
1162 float foo(complex float f, complex float g) { return $func($args); }
1163 int main(void){ return (int) foo; }
1164 EOF
1165 }
1166
1167 check_mathfunc(){
1168     log check_mathfunc "$@"
1169     func=$1
1170     narg=$2
1171     shift 2
1172     test $narg = 2 && args="f, g" || args="f"
1173     disable $func
1174     check_ld "cc" "$@" <<EOF && enable $func
1175 #include <math.h>
1176 float foo(float f, float g) { return $func($args); }
1177 int main(void){ return (int) foo; }
1178 EOF
1179 }
1180
1181 check_func_headers(){
1182     log check_func_headers "$@"
1183     headers=$1
1184     funcs=$2
1185     shift 2
1186     {
1187         for hdr in $headers; do
1188             print_include $hdr
1189         done
1190         echo "#include <stdint.h>"
1191         for func in $funcs; do
1192             echo "long check_$func(void) { return (long) $func; }"
1193         done
1194         echo "int main(void) { int ret = 0;"
1195         # LTO could optimize out the test functions without this
1196         for func in $funcs; do
1197             echo " ret |= ((intptr_t)check_$func) & 0xFFFF;"
1198         done
1199         echo "return ret; }"
1200     } | check_ld "cc" "$@" && enable $funcs && enable_sanitized $headers
1201 }
1202
1203 check_class_headers_cpp(){
1204     log check_class_headers_cpp "$@"
1205     headers=$1
1206     classes=$2
1207     shift 2
1208     {
1209         for hdr in $headers; do
1210             echo "#include <$hdr>"
1211         done
1212         echo "int main(void) { "
1213         i=1
1214         for class in $classes; do
1215             echo "$class obj$i;"
1216             i=$(expr $i + 1)
1217         done
1218         echo "return 0; }"
1219     } | check_ld "cxx" "$@" && enable $funcs && enable_sanitized $headers
1220 }
1221
1222 check_cpp_condition(){
1223     log check_cpp_condition "$@"
1224     header=$1
1225     condition=$2
1226     shift 2
1227     check_cpp "$@" <<EOF
1228 #include <$header>
1229 #if !($condition)
1230 #error "unsatisfied condition: $condition"
1231 #endif
1232 EOF
1233 }
1234
1235 test_cflags_cc(){
1236     log test_cflags_cc "$@"
1237     flags=$1
1238     header=$2
1239     condition=$3
1240     shift 3
1241     set -- $($cflags_filter "$flags")
1242     check_cc "$@" <<EOF
1243 #include <$header>
1244 #if !($condition)
1245 #error "unsatisfied condition: $condition"
1246 #endif
1247 EOF
1248 }
1249
1250 check_lib(){
1251     log check_lib "$@"
1252     name="$1"
1253     headers="$2"
1254     funcs="$3"
1255     shift 3
1256     disable $name
1257     check_func_headers "$headers" "$funcs" "$@" &&
1258         enable $name && eval ${name}_extralibs="\$@"
1259 }
1260
1261 check_lib_cpp(){
1262     log check_lib_cpp "$@"
1263     name="$1"
1264     headers="$2"
1265     classes="$3"
1266     shift 3
1267     disable $name
1268     check_class_headers_cpp "$headers" "$classes" "$@" &&
1269         enable $name && eval ${name}_extralibs="\$@"
1270 }
1271
1272 test_pkg_config(){
1273     log test_pkg_config "$@"
1274     name="$1"
1275     pkg_version="$2"
1276     pkg="${2%% *}"
1277     headers="$3"
1278     funcs="$4"
1279     shift 4
1280     disable $name
1281     check_cmd $pkg_config --exists --print-errors $pkg_version || return
1282     pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1283     pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1284     check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1285         enable $name &&
1286         set_sanitized "${name}_cflags"    $pkg_cflags &&
1287         set_sanitized "${name}_extralibs" $pkg_libs
1288 }
1289
1290 check_pkg_config(){
1291     log check_pkg_config "$@"
1292     name="$1"
1293     test_pkg_config "$@" &&
1294         eval add_cflags \$${name}_cflags
1295 }
1296
1297 check_exec(){
1298     check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1299 }
1300
1301 check_exec_crash(){
1302     log check_exec_crash "$@"
1303     code=$(cat)
1304
1305     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
1306     # are safe but may not be available everywhere.  Thus we use
1307     # raise(SIGTERM) instead.  The check is run in a subshell so we
1308     # can redirect the "Terminated" message from the shell.  SIGBUS
1309     # is not defined by standard C so it is used conditionally.
1310
1311     (check_exec "$@") >> $logfile 2>&1 <<EOF
1312 #include <signal.h>
1313 static void sighandler(int sig){
1314     raise(SIGTERM);
1315 }
1316 int foo(void){
1317     $code
1318 }
1319 int (*func_ptr)(void) = foo;
1320 int main(void){
1321     signal(SIGILL, sighandler);
1322     signal(SIGFPE, sighandler);
1323     signal(SIGSEGV, sighandler);
1324 #ifdef SIGBUS
1325     signal(SIGBUS, sighandler);
1326 #endif
1327     return func_ptr();
1328 }
1329 EOF
1330 }
1331
1332 check_type(){
1333     log check_type "$@"
1334     headers=$1
1335     type=$2
1336     shift 2
1337     disable_sanitized "$type"
1338     check_code cc "$headers" "$type v" "$@" && enable_sanitized "$type"
1339 }
1340
1341 check_struct(){
1342     log check_struct "$@"
1343     headers=$1
1344     struct=$2
1345     member=$3
1346     shift 3
1347     disable_sanitized "${struct}_${member}"
1348     check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1349         enable_sanitized "${struct}_${member}"
1350 }
1351
1352 check_builtin(){
1353     log check_builtin "$@"
1354     name=$1
1355     headers=$2
1356     builtin=$3
1357     shift 3
1358     disable "$name"
1359     check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1360 }
1361
1362 check_compile_assert(){
1363     log check_compile_assert "$@"
1364     name=$1
1365     headers=$2
1366     condition=$3
1367     shift 3
1368     disable "$name"
1369     check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1370 }
1371
1372 require(){
1373     log require "$@"
1374     name_version="$1"
1375     name="${1%% *}"
1376     headers="$2"
1377     func="$3"
1378     shift 3
1379     check_lib $name "$headers" $func "$@" || die "ERROR: $name_version not found"
1380 }
1381
1382 require_cpp(){
1383     name="$1"
1384     headers="$2"
1385     classes="$3"
1386     shift 3
1387     check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1388 }
1389
1390 require_header(){
1391     log require "$@"
1392     header="$1"
1393     shift
1394     check_header "$header" "$@" || die "ERROR: $header header not found"
1395 }
1396
1397 require_cpp_condition(){
1398     log require "$@"
1399     header="$1"
1400     condition="$2"
1401     shift 2
1402     check_cpp_condition "$header" "$condition" "$@" || die "ERROR: $condition not satisfied"
1403 }
1404
1405 require_pkg_config(){
1406     log require_pkg_config "$@"
1407     pkg_version="$2"
1408     check_pkg_config "$@" || die "ERROR: $pkg_version not found using pkg-config$pkg_config_fail_message"
1409 }
1410
1411 hostcc_e(){
1412     eval printf '%s\\n' $HOSTCC_E
1413 }
1414
1415 hostcc_o(){
1416     eval printf '%s\\n' $HOSTCC_O
1417 }
1418
1419 check_host_cc(){
1420     log check_host_cc "$@"
1421     cat > $TMPC
1422     log_file $TMPC
1423     check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1424 }
1425
1426 check_host_cpp(){
1427     log check_host_cpp "$@"
1428     cat > $TMPC
1429     log_file $TMPC
1430     check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1431 }
1432
1433 check_host_cppflags(){
1434     log check_host_cppflags "$@"
1435     check_host_cpp "$@" <<EOF && append host_cppflags "$@"
1436 #include <stdlib.h>
1437 EOF
1438 }
1439
1440 check_host_cflags(){
1441     log check_host_cflags "$@"
1442     set -- $($host_cflags_filter "$@")
1443     check_host_cc "$@" <<EOF && append host_cflags "$@"
1444 int x;
1445 EOF
1446 }
1447
1448 check_host_cpp_condition(){
1449     log check_host_cpp_condition "$@"
1450     header=$1
1451     condition=$2
1452     shift 2
1453     check_host_cpp "$@" <<EOF
1454 #include <$header>
1455 #if !($condition)
1456 #error "unsatisfied condition: $condition"
1457 #endif
1458 EOF
1459 }
1460
1461 cp_if_changed(){
1462     cmp -s "$1" "$2" && { test "$quiet" != "yes" && echo "$2 is unchanged"; } && return
1463     mkdir -p "$(dirname $2)"
1464     cp -f "$1" "$2"
1465 }
1466
1467 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1468 # system-dependent things.
1469
1470 AVCODEC_COMPONENTS="
1471     bsfs
1472     decoders
1473     encoders
1474     hwaccels
1475     parsers
1476 "
1477
1478 AVDEVICE_COMPONENTS="
1479     indevs
1480     outdevs
1481 "
1482
1483 AVFILTER_COMPONENTS="
1484     filters
1485 "
1486
1487 AVFORMAT_COMPONENTS="
1488     demuxers
1489     muxers
1490     protocols
1491 "
1492
1493 AVRESAMPLE_COMPONENTS=""
1494
1495 AVUTIL_COMPONENTS=""
1496
1497 COMPONENT_LIST="
1498     $AVCODEC_COMPONENTS
1499     $AVDEVICE_COMPONENTS
1500     $AVFILTER_COMPONENTS
1501     $AVFORMAT_COMPONENTS
1502     $AVRESAMPLE_COMPONENTS
1503     $AVUTIL_COMPONENTS
1504 "
1505
1506 EXAMPLE_LIST="
1507     avio_dir_cmd_example
1508     avio_reading_example
1509     decode_audio_example
1510     decode_video_example
1511     demuxing_decoding_example
1512     encode_audio_example
1513     encode_video_example
1514     extract_mvs_example
1515     filter_audio_example
1516     filtering_audio_example
1517     filtering_video_example
1518     http_multiclient_example
1519     hw_decode_example
1520     metadata_example
1521     muxing_example
1522     qsvdec_example
1523     remuxing_example
1524     resampling_audio_example
1525     scaling_video_example
1526     transcode_aac_example
1527     transcoding_example
1528 "
1529
1530 EXTERNAL_AUTODETECT_LIBRARY_LIST="
1531     alsa
1532     appkit
1533     avfoundation
1534     bzlib
1535     coreimage
1536     iconv
1537     libxcb
1538     libxcb_shm
1539     libxcb_shape
1540     libxcb_xfixes
1541     lzma
1542     schannel
1543     sdl2
1544     securetransport
1545     sndio
1546     xlib
1547     zlib
1548 "
1549
1550 EXTERNAL_LIBRARY_GPL_LIST="
1551     avisynth
1552     frei0r
1553     libcdio
1554     librubberband
1555     libvidstab
1556     libx264
1557     libx265
1558     libxavs
1559     libxvid
1560 "
1561
1562 EXTERNAL_LIBRARY_NONFREE_LIST="
1563     decklink
1564     libndi_newtek
1565     libfdk_aac
1566     openssl
1567 "
1568
1569 EXTERNAL_LIBRARY_VERSION3_LIST="
1570     gmp
1571     libopencore_amrnb
1572     libopencore_amrwb
1573     libvmaf
1574     libvo_amrwbenc
1575     rkmpp
1576 "
1577
1578 EXTERNAL_LIBRARY_GPLV3_LIST="
1579     libsmbclient
1580 "
1581
1582 EXTERNAL_LIBRARY_LIST="
1583     $EXTERNAL_LIBRARY_GPL_LIST
1584     $EXTERNAL_LIBRARY_NONFREE_LIST
1585     $EXTERNAL_LIBRARY_VERSION3_LIST
1586     $EXTERNAL_LIBRARY_GPLV3_LIST
1587     chromaprint
1588     gcrypt
1589     gnutls
1590     jni
1591     ladspa
1592     libass
1593     libbluray
1594     libbs2b
1595     libcaca
1596     libcelt
1597     libdc1394
1598     libdrm
1599     libflite
1600     libfontconfig
1601     libfreetype
1602     libfribidi
1603     libgme
1604     libgsm
1605     libiec61883
1606     libilbc
1607     libjack
1608     libkvazaar
1609     libmodplug
1610     libmp3lame
1611     libmysofa
1612     libopencv
1613     libopenh264
1614     libopenjpeg
1615     libopenmpt
1616     libopus
1617     libpulse
1618     librsvg
1619     librtmp
1620     libshine
1621     libsmbclient
1622     libsnappy
1623     libsoxr
1624     libspeex
1625     libssh
1626     libtesseract
1627     libtheora
1628     libtwolame
1629     libv4l2
1630     libvorbis
1631     libvpx
1632     libwavpack
1633     libwebp
1634     libxml2
1635     libzimg
1636     libzmq
1637     libzvbi
1638     mediacodec
1639     openal
1640     opencl
1641     opengl
1642 "
1643
1644 HWACCEL_AUTODETECT_LIBRARY_LIST="
1645     audiotoolbox
1646     crystalhd
1647     cuda
1648     cuvid
1649     d3d11va
1650     dxva2
1651     nvdec
1652     nvenc
1653     vaapi
1654     vdpau
1655     videotoolbox
1656     v4l2_m2m
1657     xvmc
1658 "
1659
1660 # catchall list of things that require external libs to link
1661 EXTRALIBS_LIST="
1662     cpu_init
1663     cws2fws
1664 "
1665
1666 HWACCEL_LIBRARY_NONFREE_LIST="
1667     cuda_sdk
1668     libnpp
1669 "
1670
1671 HWACCEL_LIBRARY_LIST="
1672     $HWACCEL_LIBRARY_NONFREE_LIST
1673     libmfx
1674     mmal
1675     omx
1676 "
1677
1678 DOCUMENT_LIST="
1679     doc
1680     htmlpages
1681     manpages
1682     podpages
1683     txtpages
1684 "
1685
1686 FEATURE_LIST="
1687     ftrapv
1688     gray
1689     hardcoded_tables
1690     omx_rpi
1691     runtime_cpudetect
1692     safe_bitstream_reader
1693     shared
1694     small
1695     static
1696     swscale_alpha
1697 "
1698
1699 LIBRARY_LIST="
1700     avcodec
1701     avdevice
1702     avfilter
1703     avformat
1704     avresample
1705     avutil
1706     postproc
1707     swresample
1708     swscale
1709 "
1710
1711 LICENSE_LIST="
1712     gpl
1713     nonfree
1714     version3
1715 "
1716
1717 PROGRAM_LIST="
1718     ffplay
1719     ffprobe
1720     ffserver
1721     ffmpeg
1722 "
1723
1724 SUBSYSTEM_LIST="
1725     dct
1726     dwt
1727     error_resilience
1728     faan
1729     fast_unaligned
1730     fft
1731     lsp
1732     lzo
1733     mdct
1734     pixelutils
1735     network
1736     rdft
1737 "
1738
1739 # COMPONENT_LIST needs to come last to ensure correct dependency checking
1740 CONFIG_LIST="
1741     $DOCUMENT_LIST
1742     $EXAMPLE_LIST
1743     $EXTERNAL_LIBRARY_LIST
1744     $EXTERNAL_AUTODETECT_LIBRARY_LIST
1745     $HWACCEL_LIBRARY_LIST
1746     $HWACCEL_AUTODETECT_LIBRARY_LIST
1747     $FEATURE_LIST
1748     $LICENSE_LIST
1749     $LIBRARY_LIST
1750     $PROGRAM_LIST
1751     $SUBSYSTEM_LIST
1752     autodetect
1753     fontconfig
1754     linux_perf
1755     memory_poisoning
1756     neon_clobber_test
1757     ossfuzz
1758     pic
1759     thumb
1760     valgrind_backtrace
1761     xmm_clobber_test
1762     $COMPONENT_LIST
1763 "
1764
1765 THREADS_LIST="
1766     pthreads
1767     os2threads
1768     w32threads
1769 "
1770
1771 ATOMICS_LIST="
1772     atomics_gcc
1773     atomics_suncc
1774     atomics_win32
1775 "
1776
1777 AUTODETECT_LIBS="
1778     $EXTERNAL_AUTODETECT_LIBRARY_LIST
1779     $HWACCEL_AUTODETECT_LIBRARY_LIST
1780     $THREADS_LIST
1781 "
1782
1783 ARCH_LIST="
1784     aarch64
1785     alpha
1786     arm
1787     avr32
1788     avr32_ap
1789     avr32_uc
1790     bfin
1791     ia64
1792     m68k
1793     mips
1794     mips64
1795     parisc
1796     ppc
1797     ppc64
1798     s390
1799     sh4
1800     sparc
1801     sparc64
1802     tilegx
1803     tilepro
1804     tomi
1805     x86
1806     x86_32
1807     x86_64
1808 "
1809
1810 ARCH_EXT_LIST_ARM="
1811     armv5te
1812     armv6
1813     armv6t2
1814     armv8
1815     neon
1816     vfp
1817     vfpv3
1818     setend
1819 "
1820
1821 ARCH_EXT_LIST_MIPS="
1822     mipsfpu
1823     mips32r2
1824     mips32r5
1825     mips64r2
1826     mips32r6
1827     mips64r6
1828     mipsdsp
1829     mipsdspr2
1830     msa
1831 "
1832
1833 ARCH_EXT_LIST_LOONGSON="
1834     loongson2
1835     loongson3
1836     mmi
1837 "
1838
1839 ARCH_EXT_LIST_X86_SIMD="
1840     aesni
1841     amd3dnow
1842     amd3dnowext
1843     avx
1844     avx2
1845     fma3
1846     fma4
1847     mmx
1848     mmxext
1849     sse
1850     sse2
1851     sse3
1852     sse4
1853     sse42
1854     ssse3
1855     xop
1856 "
1857
1858 ARCH_EXT_LIST_PPC="
1859     altivec
1860     dcbzl
1861     ldbrx
1862     power8
1863     ppc4xx
1864     vsx
1865 "
1866
1867 ARCH_EXT_LIST_X86="
1868     $ARCH_EXT_LIST_X86_SIMD
1869     cpunop
1870     i686
1871 "
1872
1873 ARCH_EXT_LIST="
1874     $ARCH_EXT_LIST_ARM
1875     $ARCH_EXT_LIST_PPC
1876     $ARCH_EXT_LIST_X86
1877     $ARCH_EXT_LIST_MIPS
1878     $ARCH_EXT_LIST_LOONGSON
1879 "
1880
1881 ARCH_FEATURES="
1882     aligned_stack
1883     fast_64bit
1884     fast_clz
1885     fast_cmov
1886     local_aligned
1887     simd_align_16
1888     simd_align_32
1889 "
1890
1891 BUILTIN_LIST="
1892     atomic_cas_ptr
1893     machine_rw_barrier
1894     MemoryBarrier
1895     mm_empty
1896     rdtsc
1897     sarestart
1898     sem_timedwait
1899     sync_val_compare_and_swap
1900 "
1901 HAVE_LIST_CMDLINE="
1902     inline_asm
1903     symver
1904     x86asm
1905 "
1906
1907 HAVE_LIST_PUB="
1908     bigendian
1909     fast_unaligned
1910 "
1911
1912 HEADERS_LIST="
1913     arpa_inet_h
1914     asm_types_h
1915     cdio_paranoia_h
1916     cdio_paranoia_paranoia_h
1917     cuda_h
1918     d3d11_h
1919     dispatch_dispatch_h
1920     dev_bktr_ioctl_bt848_h
1921     dev_bktr_ioctl_meteor_h
1922     dev_ic_bt8xx_h
1923     dev_video_bktr_ioctl_bt848_h
1924     dev_video_meteor_ioctl_meteor_h
1925     direct_h
1926     dirent_h
1927     dxgidebug_h
1928     dxva_h
1929     ES2_gl_h
1930     gsm_h
1931     io_h
1932     mach_mach_time_h
1933     machine_ioctl_bt848_h
1934     machine_ioctl_meteor_h
1935     malloc_h
1936     opencv2_core_core_c_h
1937     OpenGL_gl3_h
1938     poll_h
1939     soundcard_h
1940     stdatomic_h
1941     sys_mman_h
1942     sys_param_h
1943     sys_resource_h
1944     sys_select_h
1945     sys_soundcard_h
1946     sys_time_h
1947     sys_un_h
1948     sys_videoio_h
1949     termios_h
1950     udplite_h
1951     unistd_h
1952     valgrind_valgrind_h
1953     windows_h
1954     winsock2_h
1955 "
1956
1957 INTRINSICS_LIST="
1958     intrinsics_neon
1959 "
1960
1961 COMPLEX_FUNCS="
1962     cabs
1963     cexp
1964 "
1965
1966 MATH_FUNCS="
1967     atanf
1968     atan2f
1969     cbrt
1970     cbrtf
1971     copysign
1972     cosf
1973     erf
1974     exp2
1975     exp2f
1976     expf
1977     hypot
1978     isfinite
1979     isinf
1980     isnan
1981     ldexpf
1982     llrint
1983     llrintf
1984     log2
1985     log2f
1986     log10f
1987     lrint
1988     lrintf
1989     powf
1990     rint
1991     round
1992     roundf
1993     sinf
1994     trunc
1995     truncf
1996 "
1997
1998 SYSTEM_FUNCS="
1999     access
2000     aligned_malloc
2001     arc4random
2002     clock_gettime
2003     closesocket
2004     CommandLineToArgvW
2005     CryptGenRandom
2006     fcntl
2007     fork
2008     getaddrinfo
2009     gethrtime
2010     getopt
2011     GetProcessAffinityMask
2012     GetProcessMemoryInfo
2013     GetProcessTimes
2014     getrusage
2015     GetSystemTimeAsFileTime
2016     gettimeofday
2017     glob
2018     glXGetProcAddress
2019     gmtime_r
2020     inet_aton
2021     isatty
2022     kbhit
2023     localtime_r
2024     lstat
2025     lzo1x_999_compress
2026     mach_absolute_time
2027     MapViewOfFile
2028     memalign
2029     mkstemp
2030     mmap
2031     mprotect
2032     nanosleep
2033     PeekNamedPipe
2034     posix_memalign
2035     pthread_cancel
2036     sched_getaffinity
2037     SetConsoleTextAttribute
2038     SetConsoleCtrlHandler
2039     setmode
2040     setrlimit
2041     Sleep
2042     strerror_r
2043     sysconf
2044     sysctl
2045     usleep
2046     UTGetOSTypeFromString
2047     VirtualAlloc
2048     wglGetProcAddress
2049 "
2050
2051 TOOLCHAIN_FEATURES="
2052     as_arch_directive
2053     as_fpu_directive
2054     as_func
2055     as_object_arch
2056     asm_mod_q
2057     attribute_may_alias
2058     attribute_packed
2059     blocks_extension
2060     ebp_available
2061     ebx_available
2062     gnu_as
2063     gnu_windres
2064     ibm_asm
2065     inline_asm_direct_symbol_refs
2066     inline_asm_labels
2067     inline_asm_nonlocal_labels
2068     pragma_deprecated
2069     rsync_contimeout
2070     symver_asm_label
2071     symver_gnu_asm
2072     vfp_args
2073     xform_asm
2074     xmm_clobbers
2075 "
2076
2077 TYPES_LIST="
2078     CONDITION_VARIABLE_Ptr
2079     kCMVideoCodecType_HEVC
2080     socklen_t
2081     struct_addrinfo
2082     struct_group_source_req
2083     struct_ip_mreq_source
2084     struct_ipv6_mreq
2085     struct_msghdr_msg_flags
2086     struct_pollfd
2087     struct_rusage_ru_maxrss
2088     struct_sctp_event_subscribe
2089     struct_sockaddr_in6
2090     struct_sockaddr_sa_len
2091     struct_sockaddr_storage
2092     struct_stat_st_mtim_tv_nsec
2093     struct_v4l2_frmivalenum_discrete
2094 "
2095
2096 HAVE_LIST="
2097     $ARCH_EXT_LIST
2098     $(add_suffix _external $ARCH_EXT_LIST)
2099     $(add_suffix _inline   $ARCH_EXT_LIST)
2100     $ARCH_FEATURES
2101     $ATOMICS_LIST
2102     $BUILTIN_LIST
2103     $COMPLEX_FUNCS
2104     $HAVE_LIST_CMDLINE
2105     $HAVE_LIST_PUB
2106     $HEADERS_LIST
2107     $INTRINSICS_LIST
2108     $MATH_FUNCS
2109     $SYSTEM_FUNCS
2110     $THREADS_LIST
2111     $TOOLCHAIN_FEATURES
2112     $TYPES_LIST
2113     atomics_native
2114     dos_paths
2115     libc_msvcrt
2116     makeinfo
2117     makeinfo_html
2118     MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS
2119     perl
2120     pod2man
2121     section_data_rel_ro
2122     texi2html
2123     threads
2124     uwp
2125     vaapi_drm
2126     vaapi_x11
2127     vdpau_x11
2128     winrt
2129 "
2130
2131 # options emitted with CONFIG_ prefix but not available on the command line
2132 CONFIG_EXTRA="
2133     aandcttables
2134     ac3dsp
2135     adts_header
2136     audio_frame_queue
2137     audiodsp
2138     blockdsp
2139     bswapdsp
2140     cabac
2141     cbs
2142     cbs_h264
2143     cbs_h265
2144     cbs_mpeg2
2145     dirac_parse
2146     dvprofile
2147     exif
2148     faandct
2149     faanidct
2150     fdctdsp
2151     flacdsp
2152     fmtconvert
2153     frame_thread_encoder
2154     g722dsp
2155     golomb
2156     gplv3
2157     h263dsp
2158     h264chroma
2159     h264dsp
2160     h264parse
2161     h264pred
2162     h264qpel
2163     hevcparse
2164     hpeldsp
2165     huffman
2166     huffyuvdsp
2167     huffyuvencdsp
2168     idctdsp
2169     iirfilter
2170     mdct15
2171     intrax8
2172     iso_media
2173     ividsp
2174     jpegtables
2175     lgplv3
2176     libx262
2177     llauddsp
2178     llviddsp
2179     llvidencdsp
2180     lpc
2181     lzf
2182     me_cmp
2183     mpeg_er
2184     mpegaudio
2185     mpegaudiodsp
2186     mpegaudioheader
2187     mpegvideo
2188     mpegvideoenc
2189     mss34dsp
2190     pixblockdsp
2191     qpeldsp
2192     qsv
2193     qsvdec
2194     qsvenc
2195     qsvvpp
2196     rangecoder
2197     riffdec
2198     riffenc
2199     rtpdec
2200     rtpenc_chain
2201     rv34dsp
2202     sinewin
2203     snappy
2204     srtp
2205     startcode
2206     texturedsp
2207     texturedspenc
2208     tpeldsp
2209     vaapi_1
2210     vaapi_encode
2211     vc1dsp
2212     videodsp
2213     vp3dsp
2214     vp56dsp
2215     vp8dsp
2216     wma_freqs
2217     wmv2dsp
2218 "
2219
2220 CMDLINE_SELECT="
2221     $ARCH_EXT_LIST
2222     $CONFIG_LIST
2223     $HAVE_LIST_CMDLINE
2224     $THREADS_LIST
2225     asm
2226     cross_compile
2227     debug
2228     extra_warnings
2229     logging
2230     lto
2231     optimizations
2232     rpath
2233     stripping
2234 "
2235
2236 PATHS_LIST="
2237     bindir
2238     datadir
2239     docdir
2240     incdir
2241     libdir
2242     mandir
2243     pkgconfigdir
2244     prefix
2245     shlibdir
2246     install_name_dir
2247 "
2248
2249 CMDLINE_SET="
2250     $PATHS_LIST
2251     ar
2252     arch
2253     as
2254     assert_level
2255     build_suffix
2256     cc
2257     objcc
2258     cpu
2259     cross_prefix
2260     custom_allocator
2261     cxx
2262     dep_cc
2263     doxygen
2264     env
2265     extra_version
2266     gas
2267     host_cc
2268     host_cflags
2269     host_extralibs
2270     host_ld
2271     host_ldflags
2272     host_os
2273     ignore_tests
2274     install
2275     ld
2276     ln_s
2277     logfile
2278     malloc_prefix
2279     nm
2280     optflags
2281     nvccflags
2282     pkg_config
2283     pkg_config_flags
2284     progs_suffix
2285     random_seed
2286     ranlib
2287     samples
2288     strip
2289     sws_max_filter_size
2290     sysinclude
2291     sysroot
2292     target_exec
2293     target_os
2294     target_path
2295     target_samples
2296     tempprefix
2297     toolchain
2298     valgrind
2299     x86asmexe
2300 "
2301
2302 CMDLINE_APPEND="
2303     extra_cflags
2304     extra_cxxflags
2305     extra_objcflags
2306     host_cppflags
2307 "
2308
2309 # code dependency declarations
2310
2311 # architecture extensions
2312
2313 armv5te_deps="arm"
2314 armv6_deps="arm"
2315 armv6t2_deps="arm"
2316 armv8_deps="aarch64"
2317 neon_deps_any="aarch64 arm"
2318 intrinsics_neon_deps="neon"
2319 vfp_deps_any="aarch64 arm"
2320 vfpv3_deps="vfp"
2321 setend_deps="arm"
2322
2323 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
2324
2325 altivec_deps="ppc"
2326 dcbzl_deps="ppc"
2327 ldbrx_deps="ppc"
2328 ppc4xx_deps="ppc"
2329 vsx_deps="altivec"
2330 power8_deps="vsx"
2331
2332 loongson2_deps="mips"
2333 loongson3_deps="mips"
2334 mips32r2_deps="mips"
2335 mips32r5_deps="mips"
2336 mips32r6_deps="mips"
2337 mips64r2_deps="mips"
2338 mips64r6_deps="mips"
2339 mipsfpu_deps="mips"
2340 mipsdsp_deps="mips"
2341 mipsdspr2_deps="mips"
2342 mmi_deps="mips"
2343 msa_deps="mipsfpu"
2344
2345 cpunop_deps="i686"
2346 x86_64_select="i686"
2347 x86_64_suggest="fast_cmov"
2348
2349 amd3dnow_deps="mmx"
2350 amd3dnowext_deps="amd3dnow"
2351 i686_deps="x86"
2352 mmx_deps="x86"
2353 mmxext_deps="mmx"
2354 sse_deps="mmxext"
2355 sse2_deps="sse"
2356 sse3_deps="sse2"
2357 ssse3_deps="sse3"
2358 sse4_deps="ssse3"
2359 sse42_deps="sse4"
2360 aesni_deps="sse42"
2361 avx_deps="sse42"
2362 xop_deps="avx"
2363 fma3_deps="avx"
2364 fma4_deps="avx"
2365 avx2_deps="avx"
2366
2367 mmx_external_deps="x86asm"
2368 mmx_inline_deps="inline_asm x86"
2369 mmx_suggest="mmx_external mmx_inline"
2370
2371 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
2372     eval dep=\$${ext}_deps
2373     eval ${ext}_external_deps='"${dep}_external"'
2374     eval ${ext}_inline_deps='"${dep}_inline"'
2375     eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
2376 done
2377
2378 aligned_stack_if_any="aarch64 ppc x86"
2379 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
2380 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
2381 fast_unaligned_if_any="aarch64 ppc x86"
2382 simd_align_16_if_any="altivec neon sse"
2383 simd_align_32_if_any="avx"
2384
2385 # system capabilities
2386 symver_if_any="symver_asm_label symver_gnu_asm"
2387 valgrind_backtrace_conflict="optimizations"
2388 valgrind_backtrace_deps="valgrind_valgrind_h"
2389
2390 # threading support
2391 atomics_gcc_if="sync_val_compare_and_swap"
2392 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
2393 atomics_win32_if="MemoryBarrier"
2394 atomics_native_if_any="$ATOMICS_LIST"
2395 w32threads_deps="atomics_native"
2396 threads_if_any="$THREADS_LIST"
2397
2398 # subsystems
2399 cbs_h264_select="cbs golomb"
2400 cbs_h265_select="cbs golomb"
2401 cbs_mpeg2_select="cbs"
2402 dct_select="rdft"
2403 dirac_parse_select="golomb"
2404 error_resilience_select="me_cmp"
2405 faandct_deps="faan"
2406 faandct_select="fdctdsp"
2407 faanidct_deps="faan"
2408 faanidct_select="idctdsp"
2409 h264dsp_select="startcode"
2410 hevcparse_select="golomb"
2411 frame_thread_encoder_deps="encoders threads"
2412 intrax8_select="blockdsp idctdsp"
2413 mdct_select="fft"
2414 mdct15_select="fft"
2415 me_cmp_select="fdctdsp idctdsp pixblockdsp"
2416 mpeg_er_select="error_resilience"
2417 mpegaudio_select="mpegaudiodsp mpegaudioheader"
2418 mpegaudiodsp_select="dct"
2419 mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp mpeg_er videodsp"
2420 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
2421 vc1dsp_select="h264chroma qpeldsp startcode"
2422 rdft_select="fft"
2423
2424 # decoders / encoders
2425 aac_decoder_select="adts_header mdct15 mdct sinewin"
2426 aac_fixed_decoder_select="mdct sinewin"
2427 aac_encoder_select="audio_frame_queue iirfilter lpc mdct sinewin"
2428 aac_latm_decoder_select="aac_decoder aac_latm_parser"
2429 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
2430 ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"
2431 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
2432 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
2433 adpcm_g722_decoder_select="g722dsp"
2434 adpcm_g722_encoder_select="g722dsp"
2435 aic_decoder_select="golomb idctdsp"
2436 alac_encoder_select="lpc"
2437 als_decoder_select="bswapdsp"
2438 amrnb_decoder_select="lsp"
2439 amrwb_decoder_select="lsp"
2440 amv_decoder_select="sp5x_decoder exif"
2441 amv_encoder_select="aandcttables jpegtables mpegvideoenc"
2442 ape_decoder_select="bswapdsp llauddsp"
2443 apng_decoder_select="zlib"
2444 apng_encoder_select="llvidencdsp zlib"
2445 asv1_decoder_select="blockdsp bswapdsp idctdsp"
2446 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
2447 asv2_decoder_select="blockdsp bswapdsp idctdsp"
2448 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
2449 atrac1_decoder_select="mdct sinewin"
2450 atrac3_decoder_select="mdct"
2451 atrac3p_decoder_select="mdct sinewin"
2452 avrn_decoder_select="exif jpegtables"
2453 bink_decoder_select="blockdsp hpeldsp"
2454 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
2455 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
2456 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
2457 clearvideo_decoder_select="idctdsp"
2458 cllc_decoder_select="bswapdsp"
2459 comfortnoise_encoder_select="lpc"
2460 cook_decoder_select="audiodsp mdct sinewin"
2461 cscd_decoder_select="lzo"
2462 cscd_decoder_suggest="zlib"
2463 dca_decoder_select="mdct"
2464 dds_decoder_select="texturedsp"
2465 dirac_decoder_select="dirac_parse dwt golomb videodsp mpegvideoenc"
2466 dnxhd_decoder_select="blockdsp idctdsp"
2467 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
2468 dolby_e_decoder_select="mdct"
2469 dvvideo_decoder_select="dvprofile idctdsp"
2470 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
2471 dxa_decoder_select="zlib"
2472 dxv_decoder_select="lzf texturedsp"
2473 eac3_decoder_select="ac3_decoder"
2474 eac3_encoder_select="ac3_encoder"
2475 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
2476 eatgq_decoder_select="aandcttables"
2477 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp"
2478 exr_decoder_select="zlib"
2479 ffv1_decoder_select="rangecoder"
2480 ffv1_encoder_select="rangecoder"
2481 ffvhuff_decoder_select="huffyuv_decoder"
2482 ffvhuff_encoder_select="huffyuv_encoder"
2483 fic_decoder_select="golomb"
2484 flac_decoder_select="flacdsp"
2485 flac_encoder_select="bswapdsp flacdsp lpc"
2486 flashsv2_decoder_select="zlib"
2487 flashsv2_encoder_select="zlib"
2488 flashsv_decoder_select="zlib"
2489 flashsv_encoder_select="zlib"
2490 flv_decoder_select="h263_decoder"
2491 flv_encoder_select="h263_encoder"
2492 fourxm_decoder_select="blockdsp bswapdsp"
2493 fraps_decoder_select="bswapdsp huffman"
2494 g2m_decoder_select="blockdsp idctdsp jpegtables zlib"
2495 g729_decoder_select="audiodsp"
2496 h261_decoder_select="mpegvideo"
2497 h261_encoder_select="aandcttables mpegvideoenc"
2498 h263_decoder_select="h263_parser h263dsp mpegvideo qpeldsp"
2499 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
2500 h263i_decoder_select="h263_decoder"
2501 h263p_decoder_select="h263_decoder"
2502 h263p_encoder_select="h263_encoder"
2503 h264_decoder_select="cabac golomb h264chroma h264dsp h264parse h264pred h264qpel videodsp"
2504 h264_decoder_suggest="error_resilience"
2505 hap_decoder_select="snappy texturedsp"
2506 hap_encoder_deps="libsnappy"
2507 hap_encoder_select="texturedspenc"
2508 hevc_decoder_select="bswapdsp cabac golomb hevcparse videodsp"
2509 huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"
2510 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llvidencdsp"
2511 iac_decoder_select="imc_decoder"
2512 imc_decoder_select="bswapdsp fft mdct sinewin"
2513 indeo3_decoder_select="hpeldsp"
2514 indeo4_decoder_select="ividsp"
2515 indeo5_decoder_select="ividsp"
2516 interplay_video_decoder_select="hpeldsp"
2517 jpegls_decoder_select="mjpeg_decoder"
2518 jv_decoder_select="blockdsp"
2519 lagarith_decoder_select="llviddsp"
2520 ljpeg_encoder_select="aandcttables idctdsp jpegtables mpegvideoenc"
2521 magicyuv_decoder_select="llviddsp"
2522 magicyuv_encoder_select="llvidencdsp"
2523 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2524 metasound_decoder_select="lsp mdct sinewin"
2525 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2526 mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"
2527 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
2528 mjpegb_decoder_select="mjpeg_decoder"
2529 mlp_decoder_select="mlp_parser"
2530 mlp_encoder_select="lpc"
2531 motionpixels_decoder_select="bswapdsp"
2532 mp1_decoder_select="mpegaudio"
2533 mp1float_decoder_select="mpegaudio"
2534 mp2_decoder_select="mpegaudio"
2535 mp2float_decoder_select="mpegaudio"
2536 mp3_decoder_select="mpegaudio"
2537 mp3adu_decoder_select="mpegaudio"
2538 mp3adufloat_decoder_select="mpegaudio"
2539 mp3float_decoder_select="mpegaudio"
2540 mp3on4_decoder_select="mpegaudio"
2541 mp3on4float_decoder_select="mpegaudio"
2542 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2543 mpc8_decoder_select="mpegaudiodsp"
2544 mpegvideo_decoder_select="mpegvideo"
2545 mpeg1video_decoder_select="mpegvideo"
2546 mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"
2547 mpeg2video_decoder_select="mpegvideo"
2548 mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"
2549 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2550 mpeg4_encoder_select="h263_encoder"
2551 msa1_decoder_select="mss34dsp"
2552 mscc_decoder_select="zlib"
2553 msmpeg4v1_decoder_select="h263_decoder"
2554 msmpeg4v2_decoder_select="h263_decoder"
2555 msmpeg4v2_encoder_select="h263_encoder"
2556 msmpeg4v3_decoder_select="h263_decoder"
2557 msmpeg4v3_encoder_select="h263_encoder"
2558 mss2_decoder_select="mpegvideo qpeldsp vc1_decoder"
2559 mts2_decoder_select="mss34dsp"
2560 mxpeg_decoder_select="mjpeg_decoder"
2561 nellymoser_decoder_select="mdct sinewin"
2562 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2563 nuv_decoder_select="idctdsp lzo"
2564 on2avc_decoder_select="mdct"
2565 opus_decoder_deps="swresample"
2566 opus_decoder_select="mdct15"
2567 opus_encoder_select="audio_frame_queue mdct15"
2568 png_decoder_select="zlib"
2569 png_encoder_select="llvidencdsp zlib"
2570 prores_decoder_select="blockdsp idctdsp"
2571 prores_encoder_select="fdctdsp"
2572 qcelp_decoder_select="lsp"
2573 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2574 ra_144_decoder_select="audiodsp"
2575 ra_144_encoder_select="audio_frame_queue lpc audiodsp"
2576 ralf_decoder_select="golomb"
2577 rawvideo_decoder_select="bswapdsp"
2578 rscc_decoder_select="zlib"
2579 rtjpeg_decoder_select="me_cmp"
2580 rv10_decoder_select="h263_decoder"
2581 rv10_encoder_select="h263_encoder"
2582 rv20_decoder_select="h263_decoder"
2583 rv20_encoder_select="h263_encoder"
2584 rv30_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2585 rv40_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2586 screenpresso_decoder_select="zlib"
2587 shorten_decoder_select="bswapdsp"
2588 sipr_decoder_select="lsp"
2589 snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"
2590 snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"
2591 sonic_decoder_select="golomb rangecoder"
2592 sonic_encoder_select="golomb rangecoder"
2593 sonic_ls_encoder_select="golomb rangecoder"
2594 sp5x_decoder_select="mjpeg_decoder"
2595 srgc_decoder_select="zlib"
2596 svq1_decoder_select="hpeldsp"
2597 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2598 svq3_decoder_select="golomb h264dsp h264parse h264pred hpeldsp tpeldsp videodsp"
2599 svq3_decoder_suggest="zlib"
2600 tak_decoder_select="audiodsp"
2601 tdsc_decoder_select="zlib mjpeg_decoder"
2602 theora_decoder_select="vp3_decoder"
2603 thp_decoder_select="mjpeg_decoder"
2604 tiff_decoder_suggest="zlib lzma"
2605 tiff_encoder_suggest="zlib"
2606 truehd_decoder_select="mlp_parser"
2607 truehd_encoder_select="lpc"
2608 truemotion2_decoder_select="bswapdsp"
2609 truespeech_decoder_select="bswapdsp"
2610 tscc_decoder_select="zlib"
2611 twinvq_decoder_select="mdct lsp sinewin"
2612 txd_decoder_select="texturedsp"
2613 utvideo_decoder_select="bswapdsp llviddsp"
2614 utvideo_encoder_select="bswapdsp huffman llvidencdsp"
2615 vble_decoder_select="llviddsp"
2616 vc1_decoder_select="blockdsp h263_decoder h264qpel intrax8 mpegvideo vc1dsp"
2617 vc1image_decoder_select="vc1_decoder"
2618 vorbis_decoder_select="mdct"
2619 vorbis_encoder_select="mdct"
2620 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2621 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"
2622 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"
2623 vp6a_decoder_select="vp6_decoder"
2624 vp6f_decoder_select="vp6_decoder"
2625 vp7_decoder_select="h264pred videodsp vp8dsp"
2626 vp8_decoder_select="h264pred videodsp vp8dsp"
2627 vp9_decoder_select="videodsp vp9_parser"
2628 webp_decoder_select="vp8_decoder exif"
2629 wmalossless_decoder_select="llauddsp"
2630 wmapro_decoder_select="mdct sinewin wma_freqs"
2631 wmav1_decoder_select="mdct sinewin wma_freqs"
2632 wmav1_encoder_select="mdct sinewin wma_freqs"
2633 wmav2_decoder_select="mdct sinewin wma_freqs"
2634 wmav2_encoder_select="mdct sinewin wma_freqs"
2635 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2636 wmv1_decoder_select="h263_decoder"
2637 wmv1_encoder_select="h263_encoder"
2638 wmv2_decoder_select="blockdsp error_resilience h263_decoder idctdsp intrax8 videodsp wmv2dsp"
2639 wmv2_encoder_select="h263_encoder wmv2dsp"
2640 wmv3_decoder_select="vc1_decoder"
2641 wmv3image_decoder_select="wmv3_decoder"
2642 xma1_decoder_select="wmapro_decoder"
2643 xma2_decoder_select="wmapro_decoder"
2644 zerocodec_decoder_select="zlib"
2645 zlib_decoder_select="zlib"
2646 zlib_encoder_select="zlib"
2647 zmbv_decoder_select="zlib"
2648 zmbv_encoder_select="zlib"
2649
2650 # hardware accelerators
2651 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
2652 cuda_deps_any="libdl LoadLibrary"
2653 cuvid_deps="cuda"
2654 d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder ID3D11VideoContext"
2655 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode ole32 user32"
2656 videotoolbox_hwaccel_deps="videotoolbox pthreads"
2657 videotoolbox_hwaccel_extralibs="-framework QuartzCore"
2658 xvmc_deps="X11_extensions_XvMClib_h"
2659
2660 h263_vaapi_hwaccel_deps="vaapi"
2661 h263_vaapi_hwaccel_select="h263_decoder"
2662 h263_videotoolbox_hwaccel_deps="videotoolbox"
2663 h263_videotoolbox_hwaccel_select="h263_decoder"
2664 h264_cuvid_hwaccel_deps="cuda cuvid"
2665 h264_cuvid_hwaccel_select="h264_cuvid_decoder"
2666 h264_d3d11va_hwaccel_deps="d3d11va"
2667 h264_d3d11va_hwaccel_select="h264_decoder"
2668 h264_d3d11va2_hwaccel_deps="d3d11va"
2669 h264_d3d11va2_hwaccel_select="h264_decoder"
2670 h264_dxva2_hwaccel_deps="dxva2"
2671 h264_dxva2_hwaccel_select="h264_decoder"
2672 h264_mediacodec_hwaccel_deps="mediacodec"
2673 h264_mmal_hwaccel_deps="mmal"
2674 h264_nvdec_hwaccel_deps="cuda nvdec"
2675 h264_nvdec_hwaccel_select="h264_decoder"
2676 h264_qsv_hwaccel_deps="libmfx"
2677 h264_vaapi_hwaccel_deps="vaapi"
2678 h264_vaapi_hwaccel_select="h264_decoder"
2679 h264_vdpau_hwaccel_deps="vdpau"
2680 h264_vdpau_hwaccel_select="h264_decoder"
2681 h264_videotoolbox_hwaccel_deps="videotoolbox"
2682 h264_videotoolbox_hwaccel_select="h264_decoder"
2683 hevc_cuvid_hwaccel_deps="cuda cuvid"
2684 hevc_cuvid_hwaccel_select="hevc_cuvid_decoder"
2685 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2686 hevc_d3d11va_hwaccel_select="hevc_decoder"
2687 hevc_mediacodec_hwaccel_deps="mediacodec"
2688 hevc_d3d11va2_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2689 hevc_d3d11va2_hwaccel_select="hevc_decoder"
2690 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2691 hevc_dxva2_hwaccel_select="hevc_decoder"
2692 hevc_nvdec_hwaccel_deps="cuda nvdec"
2693 hevc_nvdec_hwaccel_select="hevc_decoder"
2694 hevc_qsv_hwaccel_deps="libmfx"
2695 hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC"
2696 hevc_vaapi_hwaccel_select="hevc_decoder"
2697 hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"
2698 hevc_vdpau_hwaccel_select="hevc_decoder"
2699 hevc_videotoolbox_hwaccel_deps="videotoolbox"
2700 hevc_videotoolbox_hwaccel_select="hevc_decoder"
2701 mjpeg_cuvid_hwaccel_deps="cuda cuvid"
2702 mjpeg_cuvid_hwaccel_select="mjpeg_cuvid_decoder"
2703 mpeg_xvmc_hwaccel_deps="xvmc"
2704 mpeg_xvmc_hwaccel_select="mpeg2video_decoder"
2705 mpeg1_cuvid_hwaccel_deps="cuda cuvid"
2706 mpeg1_cuvid_hwaccel_select="mpeg1_cuvid_decoder"
2707 mpeg1_vdpau_hwaccel_deps="vdpau"
2708 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2709 mpeg1_videotoolbox_hwaccel_deps="videotoolbox"
2710 mpeg1_videotoolbox_hwaccel_select="mpeg1video_decoder"
2711 mpeg1_xvmc_hwaccel_deps="xvmc"
2712 mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"
2713 mpeg2_cuvid_hwaccel_deps="cuda cuvid"
2714 mpeg2_cuvid_hwaccel_select="mpeg2_cuvid_decoder"
2715 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2716 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2717 mpeg2_d3d11va2_hwaccel_deps="d3d11va"
2718 mpeg2_d3d11va2_hwaccel_select="mpeg2video_decoder"
2719 mpeg2_dxva2_hwaccel_deps="dxva2"
2720 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2721 mpeg2_mediacodec_hwaccel_deps="mediacodec"
2722 mpeg2_mmal_hwaccel_deps="mmal"
2723 mpeg2_qsv_hwaccel_deps="libmfx"
2724 mpeg2_vaapi_hwaccel_deps="vaapi"
2725 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2726 mpeg2_vdpau_hwaccel_deps="vdpau"
2727 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2728 mpeg2_videotoolbox_hwaccel_deps="videotoolbox"
2729 mpeg2_videotoolbox_hwaccel_select="mpeg2video_decoder"
2730 mpeg2_xvmc_hwaccel_deps="xvmc"
2731 mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"
2732 mpeg4_cuvid_hwaccel_deps="cuda cuvid"
2733 mpeg4_cuvid_hwaccel_select="mpeg4_cuvid_decoder"
2734 mpeg4_mediacodec_hwaccel_deps="mediacodec"
2735 mpeg4_mmal_hwaccel_deps="mmal"
2736 mpeg4_vaapi_hwaccel_deps="vaapi"
2737 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2738 mpeg4_vdpau_hwaccel_deps="vdpau"
2739 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2740 mpeg4_videotoolbox_hwaccel_deps="videotoolbox"
2741 mpeg4_videotoolbox_hwaccel_select="mpeg4_decoder"
2742 vc1_cuvid_hwaccel_deps="cuda cuvid"
2743 vc1_cuvid_hwaccel_select="vc1_cuvid_decoder"
2744 vc1_d3d11va_hwaccel_deps="d3d11va"
2745 vc1_d3d11va_hwaccel_select="vc1_decoder"
2746 vc1_d3d11va2_hwaccel_deps="d3d11va"
2747 vc1_d3d11va2_hwaccel_select="vc1_decoder"
2748 vc1_dxva2_hwaccel_deps="dxva2"
2749 vc1_dxva2_hwaccel_select="vc1_decoder"
2750 vc1_mmal_hwaccel_deps="mmal"
2751 vc1_qsv_hwaccel_deps="libmfx"
2752 vc1_vaapi_hwaccel_deps="vaapi"
2753 vc1_vaapi_hwaccel_select="vc1_decoder"
2754 vc1_vdpau_hwaccel_deps="vdpau"
2755 vc1_vdpau_hwaccel_select="vc1_decoder"
2756 vp8_cuvid_hwaccel_deps="cuda cuvid"
2757 vp8_cuvid_hwaccel_select="vp8_cuvid_decoder"
2758 vp9_cuvid_hwaccel_deps="cuda cuvid"
2759 vp9_cuvid_hwaccel_select="vp9_cuvid_decoder"
2760 vp8_mediacodec_hwaccel_deps="mediacodec"
2761 vp8_qsv_hwaccel_deps="libmfx"
2762 vp9_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_VP9"
2763 vp9_d3d11va_hwaccel_select="vp9_decoder"
2764 vp9_d3d11va2_hwaccel_deps="d3d11va DXVA_PicParams_VP9"
2765 vp9_d3d11va2_hwaccel_select="vp9_decoder"
2766 vp9_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_VP9"
2767 vp9_dxva2_hwaccel_select="vp9_decoder"
2768 vp9_mediacodec_hwaccel_deps="mediacodec"
2769 vp9_vaapi_hwaccel_deps="vaapi VADecPictureParameterBufferVP9_bit_depth"
2770 vp9_vaapi_hwaccel_select="vp9_decoder"
2771 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2772 wmv3_d3d11va2_hwaccel_select="vc1_d3d11va2_hwaccel"
2773 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2774 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2775 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2776
2777 # hardware-accelerated codecs
2778 omx_deps="libdl pthreads"
2779 omx_rpi_select="omx"
2780 qsv_deps="libmfx"
2781 qsvdec_select="qsv"
2782 qsvenc_select="qsv"
2783 qsvvpp_select="qsv"
2784 vaapi_encode_deps="vaapi"
2785 v4l2_m2m_deps_any="linux_videodev2_h"
2786
2787 hwupload_cuda_filter_deps="cuda"
2788 scale_npp_filter_deps="cuda libnpp"
2789 scale_cuda_filter_deps="cuda_sdk"
2790 thumbnail_cuda_filter_deps="cuda_sdk"
2791
2792 nvenc_deps="cuda"
2793 nvenc_deps_any="libdl LoadLibrary"
2794 nvenc_encoder_deps="nvenc"
2795
2796 h263_v4l2m2m_decoder_deps="v4l2_m2m h263_v4l2_m2m"
2797 h263_v4l2m2m_encoder_deps="v4l2_m2m h263_v4l2_m2m"
2798 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
2799 h264_cuvid_decoder_deps="cuda cuvid"
2800 h264_cuvid_decoder_select="h264_mp4toannexb_bsf"
2801 h264_mediacodec_decoder_deps="mediacodec"
2802 h264_mediacodec_decoder_select="h264_mp4toannexb_bsf h264_parser"
2803 h264_mmal_decoder_deps="mmal"
2804 h264_nvenc_encoder_deps="nvenc"
2805 h264_omx_encoder_deps="omx"
2806 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
2807 h264_qsv_encoder_select="qsvenc"
2808 h264_rkmpp_decoder_deps="rkmpp"
2809 h264_rkmpp_decoder_select="h264_mp4toannexb_bsf"
2810 h264_vaapi_encoder_deps="VAEncPictureParameterBufferH264"
2811 h264_vaapi_encoder_select="cbs_h264 vaapi_encode"
2812 h264_v4l2m2m_decoder_deps="v4l2_m2m h264_v4l2_m2m"
2813 h264_v4l2m2m_encoder_deps="v4l2_m2m h264_v4l2_m2m"
2814 hevc_cuvid_decoder_deps="cuda cuvid"
2815 hevc_cuvid_decoder_select="hevc_mp4toannexb_bsf"
2816 hevc_mediacodec_decoder_deps="mediacodec"
2817 hevc_mediacodec_decoder_select="hevc_mp4toannexb_bsf hevc_parser"
2818 hevc_nvenc_encoder_deps="nvenc"
2819 hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec hevc_qsv_hwaccel"
2820 hevc_qsv_encoder_select="hevcparse qsvenc"
2821 hevc_rkmpp_decoder_deps="rkmpp"
2822 hevc_rkmpp_decoder_select="hevc_mp4toannexb_bsf"
2823 hevc_vaapi_encoder_deps="VAEncPictureParameterBufferHEVC"
2824 hevc_vaapi_encoder_select="cbs_h265 vaapi_encode"
2825 hevc_v4l2m2m_decoder_deps="v4l2_m2m hevc_v4l2_m2m"
2826 hevc_v4l2m2m_encoder_deps="v4l2_m2m hevc_v4l2_m2m"
2827 mjpeg_cuvid_decoder_deps="cuda cuvid"
2828 mjpeg_qsv_encoder_deps="libmfx"
2829 mjpeg_qsv_encoder_select="qsvenc"
2830 mjpeg_vaapi_encoder_deps="VAEncPictureParameterBufferJPEG"
2831 mjpeg_vaapi_encoder_select="vaapi_encode jpegtables"
2832 mpeg1_cuvid_decoder_deps="cuda cuvid"
2833 mpeg1_v4l2m2m_decoder_deps="v4l2_m2m mpeg1_v4l2_m2m"
2834 mpeg2_crystalhd_decoder_select="crystalhd"
2835 mpeg2_cuvid_decoder_deps="cuda cuvid"
2836 mpeg2_mmal_decoder_deps="mmal"
2837 mpeg2_mediacodec_decoder_deps="mediacodec"
2838 mpeg2_qsv_decoder_select="qsvdec mpeg2_qsv_hwaccel"
2839 mpeg2_qsv_encoder_select="qsvenc"
2840 mpeg2_vaapi_encoder_deps="VAEncPictureParameterBufferMPEG2"
2841 mpeg2_vaapi_encoder_select="cbs_mpeg2 vaapi_encode"
2842 mpeg2_v4l2m2m_decoder_deps="v4l2_m2m mpeg2_v4l2_m2m"
2843 mpeg4_crystalhd_decoder_select="crystalhd"
2844 mpeg4_cuvid_decoder_deps="cuda cuvid"
2845 mpeg4_mediacodec_decoder_deps="mediacodec"
2846 mpeg4_mmal_decoder_deps="mmal"
2847 mpeg4_omx_encoder_deps="omx"
2848 mpeg4_v4l2m2m_decoder_deps="v4l2_m2m mpeg4_v4l2_m2m"
2849 mpeg4_v4l2m2m_encoder_deps="v4l2_m2m mpeg4_v4l2_m2m"
2850 msmpeg4_crystalhd_decoder_select="crystalhd"
2851 nvenc_h264_encoder_select="h264_nvenc_encoder"
2852 nvenc_hevc_encoder_select="hevc_nvenc_encoder"
2853 vc1_crystalhd_decoder_select="crystalhd"
2854 vc1_cuvid_decoder_deps="cuda cuvid"
2855 vc1_mmal_decoder_deps="mmal"
2856 vc1_qsv_decoder_select="qsvdec vc1_qsv_hwaccel vc1_parser"
2857 vc1_v4l2m2m_decoder_deps="v4l2_m2m vc1_v4l2_m2m"
2858 vp8_cuvid_decoder_deps="cuda cuvid"
2859 vp8_mediacodec_decoder_deps="mediacodec"
2860 vp8_qsv_decoder_select="qsvdec vp8_qsv_hwaccel vp8_parser"
2861 vp8_rkmpp_decoder_deps="rkmpp"
2862 vp8_vaapi_encoder_deps="VAEncPictureParameterBufferVP8"
2863 vp8_vaapi_encoder_select="vaapi_encode"
2864 vp8_v4l2m2m_decoder_deps="v4l2_m2m vp8_v4l2_m2m"
2865 vp8_v4l2m2m_encoder_deps="v4l2_m2m vp8_v4l2_m2m"
2866 vp9_cuvid_decoder_deps="cuda cuvid"
2867 vp9_mediacodec_decoder_deps="mediacodec"
2868 vp9_rkmpp_decoder_deps="rkmpp"
2869 vp9_vaapi_encoder_deps="VAEncPictureParameterBufferVP9"
2870 vp9_vaapi_encoder_select="vaapi_encode"
2871 vp9_v4l2m2m_decoder_deps="v4l2_m2m vp9_v4l2_m2m"
2872 wmv3_crystalhd_decoder_select="crystalhd"
2873
2874 # parsers
2875 aac_parser_select="adts_header"
2876 h264_parser_select="golomb h264dsp h264parse"
2877 hevc_parser_select="hevcparse"
2878 mpegaudio_parser_select="mpegaudioheader"
2879 mpegvideo_parser_select="mpegvideo"
2880 mpeg4video_parser_select="h263dsp mpegvideo qpeldsp"
2881 vc1_parser_select="vc1dsp"
2882
2883 # bitstream_filters
2884 aac_adtstoasc_bsf_select="adts_header"
2885 h264_metadata_bsf_select="cbs_h264"
2886 h264_redundant_pps_bsf_select="cbs_h264"
2887 hevc_metadata_bsf_select="cbs_h265"
2888 mjpeg2jpeg_bsf_select="jpegtables"
2889 mpeg2_metadata_bsf_select="cbs_mpeg2"
2890 trace_headers_bsf_select="cbs_h264 cbs_h265 cbs_mpeg2"
2891
2892 # external libraries
2893 aac_at_decoder_deps="audiotoolbox"
2894 ac3_at_decoder_deps="audiotoolbox"
2895 ac3_at_decoder_select="ac3_parser"
2896 adpcm_ima_qt_at_decoder_deps="audiotoolbox"
2897 alac_at_decoder_deps="audiotoolbox"
2898 amr_nb_at_decoder_deps="audiotoolbox"
2899 avisynth_deps_any="libdl LoadLibrary"
2900 avisynth_demuxer_deps="avisynth"
2901 avisynth_demuxer_select="riffdec"
2902 eac3_at_decoder_deps="audiotoolbox"
2903 eac3_at_decoder_select="ac3_parser"
2904 gsm_ms_at_decoder_deps="audiotoolbox"
2905 ilbc_at_decoder_deps="audiotoolbox"
2906 mp1_at_decoder_deps="audiotoolbox"
2907 mp2_at_decoder_deps="audiotoolbox"
2908 mp3_at_decoder_deps="audiotoolbox"
2909 mp1_at_decoder_select="mpegaudioheader"
2910 mp2_at_decoder_select="mpegaudioheader"
2911 mp3_at_decoder_select="mpegaudioheader"
2912 pcm_alaw_at_decoder_deps="audiotoolbox"
2913 pcm_mulaw_at_decoder_deps="audiotoolbox"
2914 qdmc_at_decoder_deps="audiotoolbox"
2915 qdm2_at_decoder_deps="audiotoolbox"
2916 aac_at_encoder_deps="audiotoolbox"
2917 aac_at_encoder_select="audio_frame_queue"
2918 alac_at_encoder_deps="audiotoolbox"
2919 alac_at_encoder_select="audio_frame_queue"
2920 ilbc_at_encoder_deps="audiotoolbox"
2921 ilbc_at_encoder_select="audio_frame_queue"
2922 pcm_alaw_at_encoder_deps="audiotoolbox"
2923 pcm_alaw_at_encoder_select="audio_frame_queue"
2924 pcm_mulaw_at_encoder_deps="audiotoolbox"
2925 pcm_mulaw_at_encoder_select="audio_frame_queue"
2926 chromaprint_muxer_deps="chromaprint"
2927 h264_videotoolbox_encoder_deps="pthreads"
2928 h264_videotoolbox_encoder_select="videotoolbox_encoder"
2929 libcelt_decoder_deps="libcelt"
2930 libfdk_aac_decoder_deps="libfdk_aac"
2931 libfdk_aac_encoder_deps="libfdk_aac"
2932 libfdk_aac_encoder_select="audio_frame_queue"
2933 libgme_demuxer_deps="libgme"
2934 libgsm_decoder_deps="libgsm"
2935 libgsm_encoder_deps="libgsm"
2936 libgsm_ms_decoder_deps="libgsm"
2937 libgsm_ms_encoder_deps="libgsm"
2938 libilbc_decoder_deps="libilbc"
2939 libilbc_encoder_deps="libilbc"
2940 libkvazaar_encoder_deps="libkvazaar"
2941 libmodplug_demuxer_deps="libmodplug"
2942 libmp3lame_encoder_deps="libmp3lame"
2943 libmp3lame_encoder_select="audio_frame_queue mpegaudioheader"
2944 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2945 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2946 libopencore_amrnb_encoder_select="audio_frame_queue"
2947 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2948 libopenh264_decoder_deps="libopenh264"
2949 libopenh264_decoder_select="h264_mp4toannexb_bsf"
2950 libopenh264_encoder_deps="libopenh264"
2951 libopenjpeg_decoder_deps="libopenjpeg"
2952 libopenjpeg_encoder_deps="libopenjpeg"
2953 libopenmpt_demuxer_deps="libopenmpt"
2954 libopus_decoder_deps="libopus"
2955 libopus_encoder_deps="libopus"
2956 libopus_encoder_select="audio_frame_queue"
2957 librsvg_decoder_deps="librsvg"
2958 libshine_encoder_deps="libshine"
2959 libshine_encoder_select="audio_frame_queue"
2960 libspeex_decoder_deps="libspeex"
2961 libspeex_encoder_deps="libspeex"
2962 libspeex_encoder_select="audio_frame_queue"
2963 libtheora_encoder_deps="libtheora"
2964 libtwolame_encoder_deps="libtwolame"
2965 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2966 libvorbis_decoder_deps="libvorbis"
2967 libvorbis_encoder_deps="libvorbis libvorbisenc"
2968 libvorbis_encoder_select="audio_frame_queue"
2969 libvpx_vp8_decoder_deps="libvpx"
2970 libvpx_vp8_encoder_deps="libvpx"
2971 libvpx_vp9_decoder_deps="libvpx"
2972 libvpx_vp9_encoder_deps="libvpx"
2973 libwavpack_encoder_deps="libwavpack"
2974 libwavpack_encoder_select="audio_frame_queue"
2975 libwebp_encoder_deps="libwebp"
2976 libwebp_anim_encoder_deps="libwebp"
2977 libx262_encoder_deps="libx262"
2978 libx264_encoder_deps="libx264"
2979 libx264rgb_encoder_deps="libx264 x264_csp_bgr"
2980 libx264rgb_encoder_select="libx264_encoder"
2981 libx265_encoder_deps="libx265"
2982 libxavs_encoder_deps="libxavs"
2983 libxvid_encoder_deps="libxvid"
2984 libzvbi_teletext_decoder_deps="libzvbi"
2985 videotoolbox_suggest="coreservices"
2986 videotoolbox_deps="corefoundation coremedia corevideo"
2987 videotoolbox_encoder_deps="videotoolbox VTCompressionSessionPrepareToEncodeFrames"
2988
2989 # demuxers / muxers
2990 ac3_demuxer_select="ac3_parser"
2991 aiff_muxer_select="iso_media"
2992 asf_demuxer_select="riffdec"
2993 asf_o_demuxer_select="riffdec"
2994 asf_muxer_select="riffenc"
2995 asf_stream_muxer_select="asf_muxer"
2996 avi_demuxer_select="iso_media riffdec exif"
2997 avi_muxer_select="riffenc"
2998 caf_demuxer_select="iso_media riffdec"
2999 caf_muxer_select="iso_media"
3000 dash_muxer_select="mp4_muxer"
3001 dash_demuxer_deps="libxml2"
3002 dirac_demuxer_select="dirac_parser"
3003 dts_demuxer_select="dca_parser"
3004 dtshd_demuxer_select="dca_parser"
3005 dv_demuxer_select="dvprofile"
3006 dv_muxer_select="dvprofile"
3007 dxa_demuxer_select="riffdec"
3008 eac3_demuxer_select="ac3_parser"
3009 f4v_muxer_select="mov_muxer"
3010 fifo_muxer_deps="threads"
3011 flac_demuxer_select="flac_parser"
3012 hds_muxer_select="flv_muxer"
3013 hls_muxer_select="mpegts_muxer"
3014 hls_muxer_suggest="gcrypt openssl"
3015 image2_alias_pix_demuxer_select="image2_demuxer"
3016 image2_brender_pix_demuxer_select="image2_demuxer"
3017 ipod_muxer_select="mov_muxer"
3018 ismv_muxer_select="mov_muxer"
3019 matroska_audio_muxer_select="matroska_muxer"
3020 matroska_demuxer_select="iso_media riffdec"
3021 matroska_demuxer_suggest="bzlib lzo zlib"
3022 matroska_muxer_select="iso_media riffenc"
3023 mmf_muxer_select="riffenc"
3024 mov_demuxer_select="iso_media riffdec"
3025 mov_demuxer_suggest="zlib"
3026 mov_muxer_select="iso_media riffenc rtpenc_chain"
3027 mp3_demuxer_select="mpegaudio_parser"
3028 mp3_muxer_select="mpegaudioheader"
3029 mp4_muxer_select="mov_muxer"
3030 mpegts_demuxer_select="iso_media"
3031 mpegts_muxer_select="adts_muxer latm_muxer"
3032 mpegtsraw_demuxer_select="mpegts_demuxer"
3033 mxf_d10_muxer_select="mxf_muxer"
3034 mxf_opatom_muxer_select="mxf_muxer"
3035 nut_muxer_select="riffenc"
3036 nuv_demuxer_select="riffdec"
3037 oga_muxer_select="ogg_muxer"
3038 ogg_demuxer_select="dirac_parse"
3039 ogv_muxer_select="ogg_muxer"
3040 opus_muxer_select="ogg_muxer"
3041 psp_muxer_select="mov_muxer"
3042 rtp_demuxer_select="sdp_demuxer"
3043 rtp_muxer_select="golomb"
3044 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol srtp"
3045 rtsp_demuxer_select="http_protocol rtpdec"
3046 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
3047 sap_demuxer_select="sdp_demuxer"
3048 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
3049 sdp_demuxer_select="rtpdec"
3050 smoothstreaming_muxer_select="ismv_muxer"
3051 spdif_demuxer_select="adts_header"
3052 spdif_muxer_select="adts_header"
3053 spx_muxer_select="ogg_muxer"
3054 swf_demuxer_suggest="zlib"
3055 tak_demuxer_select="tak_parser"
3056 tg2_muxer_select="mov_muxer"
3057 tgp_muxer_select="mov_muxer"
3058 vobsub_demuxer_select="mpegps_demuxer"
3059 w64_demuxer_select="wav_demuxer"
3060 w64_muxer_select="wav_muxer"
3061 wav_demuxer_select="riffdec"
3062 wav_muxer_select="riffenc"
3063 webm_muxer_select="iso_media riffenc"
3064 webm_dash_manifest_demuxer_select="matroska_demuxer"
3065 wtv_demuxer_select="mpegts_demuxer riffdec"
3066 wtv_muxer_select="mpegts_muxer riffenc"
3067 xmv_demuxer_select="riffdec"
3068 xwma_demuxer_select="riffdec"
3069
3070 # indevs / outdevs
3071 alsa_indev_deps="alsa"
3072 alsa_outdev_deps="alsa"
3073 avfoundation_indev_deps="avfoundation corevideo coremedia pthreads"
3074 avfoundation_indev_suggest="coregraphics applicationservices"
3075 avfoundation_indev_extralibs="-framework Foundation"
3076 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
3077 caca_outdev_deps="libcaca"
3078 decklink_deps_any="libdl LoadLibrary"
3079 decklink_indev_deps="decklink threads"
3080 decklink_indev_extralibs="-lstdc++"
3081 decklink_outdev_deps="decklink threads"
3082 decklink_outdev_extralibs="-lstdc++"
3083 libndi_newtek_indev_deps="libndi_newtek"
3084 libndi_newtek_indev_extralibs="-lndi"
3085 libndi_newtek_outdev_deps="libndi_newtek"
3086 libndi_newtek_outdev_extralibs="-lndi"
3087 dshow_indev_deps="IBaseFilter"
3088 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"
3089 fbdev_indev_deps="linux_fb_h"
3090 fbdev_outdev_deps="linux_fb_h"
3091 gdigrab_indev_deps="CreateDIBSection"
3092 gdigrab_indev_extralibs="-lgdi32"
3093 gdigrab_indev_select="bmp_decoder"
3094 iec61883_indev_deps="libiec61883"
3095 jack_indev_deps="libjack"
3096 jack_indev_deps_any="sem_timedwait dispatch_dispatch_h"
3097 kmsgrab_indev_deps="libdrm"
3098 lavfi_indev_deps="avfilter"
3099 libcdio_indev_deps="libcdio"
3100 libdc1394_indev_deps="libdc1394"
3101 openal_indev_deps="openal"
3102 opengl_outdev_deps="opengl"
3103 oss_indev_deps_any="soundcard_h sys_soundcard_h"
3104 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
3105 pulse_indev_deps="libpulse"
3106 pulse_outdev_deps="libpulse"
3107 sdl2_outdev_deps="sdl2"
3108 sndio_indev_deps="sndio"
3109 sndio_outdev_deps="sndio"
3110 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
3111 v4l2_indev_suggest="libv4l2"
3112 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
3113 v4l2_outdev_suggest="libv4l2"
3114 vfwcap_indev_deps="vfw32 vfwcap_defines"
3115 xcbgrab_indev_deps="libxcb"
3116 xcbgrab_indev_suggest="libxcb_shm libxcb_shape libxcb_xfixes"
3117 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
3118 xv_outdev_extralibs="-lXv -lX11 -lXext"
3119
3120 # protocols
3121 async_protocol_deps="threads"
3122 bluray_protocol_deps="libbluray"
3123 ffrtmpcrypt_protocol_conflict="librtmp_protocol"
3124 ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"
3125 ffrtmpcrypt_protocol_select="tcp_protocol"
3126 ffrtmphttp_protocol_conflict="librtmp_protocol"
3127 ffrtmphttp_protocol_select="http_protocol"
3128 ftp_protocol_select="tcp_protocol"
3129 gopher_protocol_select="network"
3130 http_protocol_select="tcp_protocol"
3131 http_protocol_suggest="zlib"
3132 httpproxy_protocol_select="tcp_protocol"
3133 httpproxy_protocol_suggest="zlib"
3134 https_protocol_select="tls_protocol"
3135 https_protocol_suggest="zlib"
3136 icecast_protocol_select="http_protocol"
3137 librtmp_protocol_deps="librtmp"
3138 librtmpe_protocol_deps="librtmp"
3139 librtmps_protocol_deps="librtmp"
3140 librtmpt_protocol_deps="librtmp"
3141 librtmpte_protocol_deps="librtmp"
3142 libsmbclient_protocol_deps="libsmbclient gplv3"
3143 libssh_protocol_deps="libssh"
3144 mmsh_protocol_select="http_protocol"
3145 mmst_protocol_select="network"
3146 rtmp_protocol_conflict="librtmp_protocol"
3147 rtmp_protocol_select="tcp_protocol"
3148 rtmp_protocol_suggest="zlib"
3149 rtmpe_protocol_select="ffrtmpcrypt_protocol"
3150 rtmpe_protocol_suggest="zlib"
3151 rtmps_protocol_conflict="librtmp_protocol"
3152 rtmps_protocol_select="tls_protocol"
3153 rtmps_protocol_suggest="zlib"
3154 rtmpt_protocol_select="ffrtmphttp_protocol"
3155 rtmpt_protocol_suggest="zlib"
3156 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
3157 rtmpte_protocol_suggest="zlib"
3158 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
3159 rtmpts_protocol_suggest="zlib"
3160 rtp_protocol_select="udp_protocol"
3161 schannel_conflict="openssl gnutls"
3162 sctp_protocol_deps="struct_sctp_event_subscribe struct_msghdr_msg_flags"
3163 sctp_protocol_select="network"
3164 securetransport_conflict="openssl gnutls"
3165 srtp_protocol_select="rtp_protocol srtp"
3166 tcp_protocol_select="network"
3167 tls_protocol_deps_any="gnutls openssl schannel securetransport"
3168 tls_protocol_select="tcp_protocol"
3169 udp_protocol_select="network"
3170 udplite_protocol_select="network"
3171 unix_protocol_deps="sys_un_h"
3172 unix_protocol_select="network"
3173
3174 # filters
3175 afftfilt_filter_deps="avcodec"
3176 afftfilt_filter_select="fft"
3177 afir_filter_deps="avcodec"
3178 afir_filter_select="fft"
3179 amovie_filter_deps="avcodec avformat"
3180 aresample_filter_deps="swresample"
3181 ass_filter_deps="libass"
3182 atempo_filter_deps="avcodec"
3183 atempo_filter_select="rdft"
3184 azmq_filter_deps="libzmq"
3185 blackframe_filter_deps="gpl"
3186 boxblur_filter_deps="gpl"
3187 bs2b_filter_deps="libbs2b"
3188 colormatrix_filter_deps="gpl"
3189 coreimage_filter_deps="coreimage appkit"
3190 coreimage_filter_extralibs="-framework OpenGL"
3191 coreimagesrc_filter_deps="coreimage appkit"
3192 coreimagesrc_filter_extralibs="-framework OpenGL"
3193 cover_rect_filter_deps="avcodec avformat gpl"
3194 cropdetect_filter_deps="gpl"
3195 deinterlace_qsv_filter_deps="libmfx"
3196 deinterlace_vaapi_filter_deps="vaapi"
3197 delogo_filter_deps="gpl"
3198 deshake_filter_select="pixelutils"
3199 deshake_filter_suggest="opencl"
3200 drawtext_filter_deps="libfreetype"
3201 drawtext_filter_suggest="libfontconfig libfribidi"
3202 elbg_filter_deps="avcodec"
3203 eq_filter_deps="gpl"
3204 fftfilt_filter_deps="avcodec"
3205 fftfilt_filter_select="rdft"
3206 find_rect_filter_deps="avcodec avformat gpl"
3207 firequalizer_filter_deps="avcodec"
3208 firequalizer_filter_select="rdft"
3209 flite_filter_deps="libflite"
3210 framerate_filter_select="pixelutils"
3211 frei0r_filter_deps="frei0r libdl"
3212 frei0r_src_filter_deps="frei0r libdl"
3213 fspp_filter_deps="gpl"
3214 geq_filter_deps="gpl"
3215 histeq_filter_deps="gpl"
3216 hqdn3d_filter_deps="gpl"
3217 interlace_filter_deps="gpl"
3218 kerndeint_filter_deps="gpl"
3219 ladspa_filter_deps="ladspa libdl"
3220 mcdeint_filter_deps="avcodec gpl"
3221 movie_filter_deps="avcodec avformat"
3222 mpdecimate_filter_deps="gpl"
3223 mpdecimate_filter_select="pixelutils"
3224 mptestsrc_filter_deps="gpl"
3225 negate_filter_deps="lut_filter"
3226 nnedi_filter_deps="gpl"
3227 ocr_filter_deps="libtesseract"
3228 ocv_filter_deps="libopencv"
3229 overlay_qsv_filter_deps="libmfx"
3230 overlay_qsv_filter_select="qsvvpp"
3231 owdenoise_filter_deps="gpl"
3232 pan_filter_deps="swresample"
3233 perspective_filter_deps="gpl"
3234 phase_filter_deps="gpl"
3235 pp7_filter_deps="gpl"
3236 pp_filter_deps="gpl postproc"
3237 pullup_filter_deps="gpl"
3238 removelogo_filter_deps="avcodec avformat swscale"
3239 repeatfields_filter_deps="gpl"
3240 resample_filter_deps="avresample"
3241 rubberband_filter_deps="librubberband"
3242 sab_filter_deps="gpl swscale"
3243 scale2ref_filter_deps="swscale"
3244 scale_filter_deps="swscale"
3245 scale_qsv_filter_deps="libmfx"
3246 select_filter_select="pixelutils"
3247 showcqt_filter_deps="avcodec avformat swscale"
3248 showcqt_filter_suggest="libfontconfig libfreetype"
3249 showcqt_filter_select="fft"
3250 showfreqs_filter_deps="avcodec"
3251 showfreqs_filter_select="fft"
3252 showspectrum_filter_deps="avcodec"
3253 showspectrum_filter_select="fft"
3254 showspectrumpic_filter_deps="avcodec"
3255 showspectrumpic_filter_select="fft"
3256 signature_filter_deps="gpl avcodec avformat"
3257 smartblur_filter_deps="gpl swscale"
3258 sofalizer_filter_deps="libmysofa avcodec"
3259 sofalizer_filter_select="fft"
3260 spectrumsynth_filter_deps="avcodec"
3261 spectrumsynth_filter_select="fft"
3262 spp_filter_deps="gpl avcodec"
3263 spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"
3264 stereo3d_filter_deps="gpl"
3265 subtitles_filter_deps="avformat avcodec libass"
3266 super2xsai_filter_deps="gpl"
3267 pixfmts_super2xsai_test_deps="super2xsai_filter"
3268 tinterlace_filter_deps="gpl"
3269 tinterlace_merge_test_deps="tinterlace_filter"
3270 tinterlace_pad_test_deps="tinterlace_filter"
3271 tonemap_filter_deps="const_nan"
3272 uspp_filter_deps="gpl avcodec"
3273 unsharp_filter_suggest="opencl"
3274 vaguedenoiser_filter_deps="gpl"
3275 vidstabdetect_filter_deps="libvidstab"
3276 vidstabtransform_filter_deps="libvidstab"
3277 libvmaf_filter_deps="libvmaf"
3278 zmq_filter_deps="libzmq"
3279 zoompan_filter_deps="swscale"
3280 zscale_filter_deps="libzimg const_nan"
3281 scale_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
3282 vpp_qsv_filter_deps="libmfx"
3283 vpp_qsv_filter_select="qsvvpp"
3284
3285 # examples
3286 avio_dir_cmd_deps="avformat avutil"
3287 avio_reading_deps="avformat avcodec avutil"
3288 decode_audio_example_deps="avcodec avutil"
3289 decode_video_example_deps="avcodec avutil"
3290 demuxing_decoding_example_deps="avcodec avformat avutil"
3291 encode_audio_example_deps="avcodec avutil"
3292 encode_video_example_deps="avcodec avutil"
3293 extract_mvs_example_deps="avcodec avformat avutil"
3294 filter_audio_example_deps="avfilter avutil"
3295 filtering_audio_example_deps="avfilter avcodec avformat avutil"
3296 filtering_video_example_deps="avfilter avcodec avformat avutil"
3297 http_multiclient_example_deps="avformat avutil fork"
3298 hw_decode_example_deps="avcodec avformat avutil"
3299 metadata_example_deps="avformat avutil"
3300 muxing_example_deps="avcodec avformat avutil swscale"
3301 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder"
3302 remuxing_example_deps="avcodec avformat avutil"
3303 resampling_audio_example_deps="avutil swresample"
3304 scaling_video_example_deps="avutil swscale"
3305 transcode_aac_example_deps="avcodec avformat swresample"
3306 transcoding_example_deps="avfilter avcodec avformat avutil"
3307
3308 # EXTRALIBS_LIST
3309 cpu_init_extralibs="pthreads_extralibs"
3310 cws2fws_extralibs="zlib_extralibs"
3311
3312 # libraries, in linking order
3313 avcodec_deps="avutil"
3314 avcodec_suggest="libm"
3315 avcodec_select="null_bsf"
3316 avdevice_deps="avformat avcodec avutil"
3317 avdevice_suggest="libm"
3318 avfilter_deps="avutil"
3319 avfilter_suggest="libm"
3320 avformat_deps="avcodec avutil"
3321 avformat_suggest="libm network zlib"
3322 avresample_deps="avutil"
3323 avresample_suggest="libm"
3324 avutil_suggest="clock_gettime cuda libm libdrm libmfx opencl user32 vaapi videotoolbox corefoundation corevideo coremedia wincrypt"
3325 postproc_deps="avutil gpl"
3326 postproc_suggest="libm"
3327 swresample_deps="avutil"
3328 swresample_suggest="libm libsoxr"
3329 swscale_deps="avutil"
3330 swscale_suggest="libm"
3331
3332 avcodec_extralibs="pthreads_extralibs iconv_extralibs"
3333 avfilter_extralibs="pthreads_extralibs"
3334 avutil_extralibs="d3d11va_extralibs nanosleep_extralibs pthreads_extralibs vaapi_drm_extralibs vaapi_x11_extralibs vdpau_x11_extralibs"
3335
3336 # programs
3337 ffmpeg_deps="avcodec avfilter avformat swresample"
3338 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
3339                null_filter
3340                trim_filter"
3341 ffmpeg_suggest="ole32 psapi shell32"
3342 ffplay_deps="avcodec avformat swscale swresample sdl2"
3343 ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"
3344 ffplay_suggest="shell32"
3345 ffprobe_deps="avcodec avformat"
3346 ffprobe_suggest="shell32"
3347 ffserver_deps="avformat fork sarestart"
3348 ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
3349
3350 # documentation
3351 podpages_deps="perl"
3352 manpages_deps="perl pod2man"
3353 htmlpages_deps="perl"
3354 htmlpages_deps_any="makeinfo_html texi2html"
3355 txtpages_deps="perl makeinfo"
3356 doc_deps_any="manpages htmlpages podpages txtpages"
3357
3358 # default parameters
3359
3360 logfile="ffbuild/config.log"
3361
3362 # installation paths
3363 prefix_default="/usr/local"
3364 bindir_default='${prefix}/bin'
3365 datadir_default='${prefix}/share/ffmpeg'
3366 docdir_default='${prefix}/share/doc/ffmpeg'
3367 incdir_default='${prefix}/include'
3368 libdir_default='${prefix}/lib'
3369 mandir_default='${prefix}/share/man'
3370
3371 # toolchain
3372 ar_default="ar"
3373 cc_default="gcc"
3374 cxx_default="g++"
3375 host_cc_default="gcc"
3376 doxygen_default="doxygen"
3377 install="install"
3378 ln_s_default="ln -s -f"
3379 nm_default="nm -g"
3380 pkg_config_default=pkg-config
3381 ranlib_default="ranlib"
3382 strip_default="strip"
3383 version_script='--version-script'
3384 x86asmexe_default="nasm"
3385 windres_default="windres"
3386 nvcc_default="nvcc"
3387 nvccflags_default="-gencode arch=compute_30,code=sm_30 -O2"
3388 striptype="direct"
3389
3390 # OS
3391 target_os_default=$(tolower $(uname -s))
3392 host_os=$target_os_default
3393
3394 # machine
3395 if test "$target_os_default" = aix; then
3396     arch_default=$(uname -p)
3397     strip_default="strip -X32_64"
3398 else
3399     arch_default=$(uname -m)
3400 fi
3401 cpu="generic"
3402 intrinsics="none"
3403
3404 # configurable options
3405 enable $PROGRAM_LIST
3406 enable $DOCUMENT_LIST
3407 enable $EXAMPLE_LIST
3408 enable $(filter_out avresample $LIBRARY_LIST)
3409 enable stripping
3410
3411 enable asm
3412 enable debug
3413 enable doc
3414 enable faan faandct faanidct
3415 enable optimizations
3416 enable runtime_cpudetect
3417 enable safe_bitstream_reader
3418 enable static
3419 enable swscale_alpha
3420 enable valgrind_backtrace
3421
3422 sws_max_filter_size_default=256
3423 set_default sws_max_filter_size
3424
3425 # internal components are enabled by default
3426 enable $EXTRALIBS_LIST
3427
3428 # Avoid external, non-system, libraries getting enabled by dependency resolution
3429 disable $EXTERNAL_LIBRARY_LIST $HWACCEL_LIBRARY_LIST
3430
3431 # build settings
3432 SHFLAGS='-shared -Wl,-soname,$$(@F)'
3433 LIBPREF="lib"
3434 LIBSUF=".a"
3435 FULLNAME='$(NAME)$(BUILDSUF)'
3436 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
3437 SLIBPREF="lib"
3438 SLIBSUF=".so"
3439 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
3440 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
3441 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
3442 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
3443 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
3444 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
3445 VERSION_SCRIPT_POSTPROCESS_CMD="cat"
3446
3447 asflags_filter=echo
3448 cflags_filter=echo
3449 ldflags_filter=echo
3450
3451 AS_C='-c'
3452 AS_O='-o $@'
3453 CC_C='-c'
3454 CC_E='-E -o $@'
3455 CC_O='-o $@'
3456 CXX_C='-c'
3457 CXX_O='-o $@'
3458 OBJCC_C='-c'
3459 OBJCC_E='-E -o $@'
3460 OBJCC_O='-o $@'
3461 X86ASM_O='-o $@'
3462 LD_O='-o $@'
3463 LD_LIB='-l%'
3464 LD_PATH='-L'
3465 HOSTCC_C='-c'
3466 HOSTCC_E='-E -o $@'
3467 HOSTCC_O='-o $@'
3468 HOSTLD_O='-o $@'
3469 NVCC_C='-c'
3470 NVCC_O='-o $@'
3471
3472 host_extralibs='-lm'
3473 host_cflags_filter=echo
3474 host_ldflags_filter=echo
3475
3476 target_path='$(CURDIR)'
3477
3478 # since the object filename is not given with the -MM flag, the compiler
3479 # is only able to print the basename, and we must add the path ourselves
3480 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>/dev/null | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(@F),$(@D)/$(@F)," > $(@:.o=.d)'
3481 DEPFLAGS='-MM'
3482
3483 mkdir -p ffbuild
3484
3485 # find source path
3486 if test -f configure; then
3487     source_path=.
3488 else
3489     source_path=$(cd $(dirname "$0"); pwd)
3490     case "$source_path" in
3491         *[[:blank:]]*) die "Out of tree builds are impossible with whitespace in source path." ;;
3492     esac
3493     test -e "$source_path/config.h" &&
3494         die "Out of tree builds are impossible with config.h in source dir."
3495 fi
3496
3497 for v in "$@"; do
3498     r=${v#*=}
3499     l=${v%"$r"}
3500     r=$(sh_quote "$r")
3501     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
3502 done
3503
3504 find_things(){
3505     thing=$1
3506     pattern=$2
3507     file=$source_path/$3
3508     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
3509 }
3510
3511 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
3512 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
3513 HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
3514 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
3515 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
3516 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
3517 OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
3518 INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
3519 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
3520
3521 find_things_extern(){
3522     thing=$1
3523     pattern=$2
3524     file=$source_path/$3
3525     sed -n "s/^[^#]*extern.*$pattern *ff_\([^ ]*\)_$thing;/\1_$thing/p" "$file"
3526 }
3527
3528 BSF_LIST=$(find_things_extern bsf AVBitStreamFilter libavcodec/bitstream_filters.c)
3529 PROTOCOL_LIST=$(find_things_extern protocol URLProtocol libavformat/protocols.c)
3530
3531 AVCODEC_COMPONENTS_LIST="
3532     $BSF_LIST
3533     $DECODER_LIST
3534     $ENCODER_LIST
3535     $HWACCEL_LIST
3536     $PARSER_LIST
3537 "
3538
3539 AVDEVICE_COMPONENTS_LIST="
3540     $INDEV_LIST
3541     $OUTDEV_LIST
3542 "
3543
3544 AVFILTER_COMPONENTS_LIST="
3545     $FILTER_LIST
3546 "
3547
3548 AVFORMAT_COMPONENTS_LIST="
3549     $DEMUXER_LIST
3550     $MUXER_LIST
3551     $PROTOCOL_LIST
3552 "
3553
3554 ALL_COMPONENTS="
3555     $AVCODEC_COMPONENTS_LIST
3556     $AVDEVICE_COMPONENTS_LIST
3557     $AVFILTER_COMPONENTS_LIST
3558     $AVFORMAT_COMPONENTS_LIST
3559 "
3560
3561 for n in $COMPONENT_LIST; do
3562     v=$(toupper ${n%s})_LIST
3563     eval enable \$$v
3564     eval ${n}_if_any="\$$v"
3565 done
3566
3567 enable $ARCH_EXT_LIST
3568
3569 die_unknown(){
3570     echo "Unknown option \"$1\"."
3571     echo "See $0 --help for available options."
3572     exit 1
3573 }
3574
3575 print_in_columns() {
3576     cols=$(expr $ncols / 24)
3577     cat | tr ' ' '\n' | sort | pr -r "-$cols" -w $ncols -t
3578 }
3579
3580 show_list() {
3581     suffix=_$1
3582     shift
3583     echo $* | sed s/$suffix//g | print_in_columns
3584     exit 0
3585 }
3586
3587 rand_list(){
3588     IFS=', '
3589     set -- $*
3590     unset IFS
3591     for thing; do
3592         comp=${thing%:*}
3593         prob=${thing#$comp}
3594         prob=${prob#:}
3595         is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
3596         echo "prob ${prob:-0.5}"
3597         printf '%s\n' $comp
3598     done
3599 }
3600
3601 do_random(){
3602     action=$1
3603     shift
3604     random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
3605     $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
3606 }
3607
3608 for opt do
3609     optval="${opt#*=}"
3610     case "$opt" in
3611         --extra-ldflags=*)
3612             add_ldflags $optval
3613         ;;
3614         --extra-ldexeflags=*)
3615             add_ldexeflags $optval
3616         ;;
3617         --extra-ldsoflags=*)
3618             add_ldsoflags $optval
3619         ;;
3620         --extra-ldlibflags=*)
3621             warn "The --extra-ldlibflags option is only provided for compatibility and will be\n"\
3622                  "removed in the future. Use --extra-ldsoflags instead."
3623             add_ldsoflags $optval
3624         ;;
3625         --extra-libs=*)
3626             add_extralibs $optval
3627         ;;
3628         --disable-devices)
3629             disable $INDEV_LIST $OUTDEV_LIST
3630         ;;
3631         --enable-debug=*)
3632             debuglevel="$optval"
3633         ;;
3634         --disable-programs)
3635             disable $PROGRAM_LIST
3636         ;;
3637         --disable-everything)
3638             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3639         ;;
3640         --disable-all)
3641             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3642             disable $LIBRARY_LIST $PROGRAM_LIST doc
3643             enable avutil
3644         ;;
3645         --enable-random|--disable-random)
3646             action=${opt%%-random}
3647             do_random ${action#--} $COMPONENT_LIST
3648         ;;
3649         --enable-random=*|--disable-random=*)
3650             action=${opt%%-random=*}
3651             do_random ${action#--} $optval
3652         ;;
3653         --enable-sdl)
3654             enable sdl2
3655         ;;
3656         --enable-*=*|--disable-*=*)
3657             eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
3658             is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
3659             eval list=\$$(toupper $thing)_LIST
3660             name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
3661             list=$(filter "$name" $list)
3662             [ "$list" = "" ] && warn "Option $opt did not match anything"
3663             $action $list
3664         ;;
3665         --enable-yasm|--disable-yasm)
3666             warn "The ${opt} option is only provided for compatibility and will be\n"\
3667                  "removed in the future. Use --enable-x86asm / --disable-x86asm instead."
3668             test $opt = --enable-yasm && x86asm=yes || x86asm=no
3669         ;;
3670         --yasmexe=*)
3671             warn "The --yasmexe option is only provided for compatibility and will be\n"\
3672                  "removed in the future. Use --x86asmexe instead."
3673             x86asmexe="$optval"
3674         ;;
3675         --enable-?*|--disable-?*)
3676             eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
3677             if is_in $option $COMPONENT_LIST; then
3678                 test $action = disable && action=unset
3679                 eval $action \$$(toupper ${option%s})_LIST
3680             elif is_in $option $CMDLINE_SELECT; then
3681                 $action $option
3682             else
3683                 die_unknown $opt
3684             fi
3685         ;;
3686         --list-*)
3687             NAME="${opt#--list-}"
3688             is_in $NAME $COMPONENT_LIST || die_unknown $opt
3689             NAME=${NAME%s}
3690             eval show_list $NAME \$$(toupper $NAME)_LIST
3691         ;;
3692         --help|-h) show_help
3693         ;;
3694         --quiet|-q) quiet=yes
3695         ;;
3696         --fatal-warnings) enable fatal_warnings
3697         ;;
3698         --libfuzzer=*)
3699             libfuzzer_path="$optval"
3700         ;;
3701         *)
3702             optname="${opt%%=*}"
3703             optname="${optname#--}"
3704             optname=$(echo "$optname" | sed 's/-/_/g')
3705             if is_in $optname $CMDLINE_SET; then
3706                 eval $optname='$optval'
3707             elif is_in $optname $CMDLINE_APPEND; then
3708                 append $optname "$optval"
3709             else
3710                 die_unknown $opt
3711             fi
3712         ;;
3713     esac
3714 done
3715
3716 for e in $env; do
3717     eval "export $e"
3718 done
3719
3720 if disabled autodetect; then
3721
3722     # Unless iconv is explicitely disabled by the user, we still want to probe
3723     # for the iconv from the libc.
3724     disabled iconv || enable libc_iconv
3725
3726     disable_weak $EXTERNAL_AUTODETECT_LIBRARY_LIST
3727     disable_weak $HWACCEL_AUTODETECT_LIBRARY_LIST
3728 fi
3729 # Mark specifically enabled, but normally autodetected libraries as requested.
3730 for lib in $AUTODETECT_LIBS; do
3731     enabled $lib && request $lib
3732 done
3733 #TODO: switch to $AUTODETECT_LIBS when $THREADS_LIST is supported the same way
3734 enable_weak $EXTERNAL_AUTODETECT_LIBRARY_LIST
3735 enable_weak $HWACCEL_AUTODETECT_LIBRARY_LIST
3736
3737 disabled logging && logfile=/dev/null
3738
3739 die_license_disabled() {
3740     enabled $1 || { enabled $v && die "$v is $1 and --enable-$1 is not specified."; }
3741 }
3742
3743 die_license_disabled_gpl() {
3744     enabled $1 || { enabled $v && die "$v is incompatible with the gpl and --enable-$1 is not specified."; }
3745 }
3746
3747 map "die_license_disabled gpl"      $EXTERNAL_LIBRARY_GPL_LIST $EXTERNAL_LIBRARY_GPLV3_LIST
3748 map "die_license_disabled version3" $EXTERNAL_LIBRARY_VERSION3_LIST $EXTERNAL_LIBRARY_GPLV3_LIST
3749
3750 enabled gpl && map "die_license_disabled_gpl nonfree" $EXTERNAL_LIBRARY_NONFREE_LIST
3751 map "die_license_disabled nonfree" $HWACCEL_LIBRARY_NONFREE_LIST
3752
3753 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3754
3755 enabled_all gnutls openssl &&
3756     die "GnuTLS and OpenSSL must not be enabled at the same time."
3757
3758 # Disable all the library-specific components if the library itself
3759 # is disabled, see AVCODEC_LIST and following _LIST variables.
3760
3761 disable_components(){
3762     disabled ${1} && disable $(
3763         eval components="\$$(toupper ${1})_COMPONENTS"
3764         map 'eval echo \${$(toupper ${v%s})_LIST}' $components
3765     )
3766 }
3767
3768 map 'disable_components $v' $LIBRARY_LIST
3769
3770 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
3771 set >> $logfile
3772
3773 test -n "$valgrind" && toolchain="valgrind-memcheck"
3774
3775 enabled ossfuzz && {
3776     add_cflags  -fsanitize=address,undefined -fsanitize-coverage=trace-pc-guard,trace-cmp -fno-omit-frame-pointer
3777     add_ldflags -fsanitize=address,undefined -fsanitize-coverage=trace-pc-guard,trace-cmp
3778 }
3779
3780 case "$toolchain" in
3781     *-asan)
3782         cc_default="${toolchain%-asan}"
3783         add_cflags  -fsanitize=address
3784         add_ldflags -fsanitize=address
3785     ;;
3786     *-msan)
3787         cc_default="${toolchain%-msan}"
3788         add_cflags  -fsanitize=memory -fsanitize-memory-track-origins
3789         add_ldflags -fsanitize=memory
3790     ;;
3791     *-tsan)
3792         cc_default="${toolchain%-tsan}"
3793         add_cflags  -fsanitize=thread -fPIE
3794         add_ldflags -fsanitize=thread -pie
3795         case "$toolchain" in
3796             gcc-tsan)
3797                 add_cflags  -fPIC
3798                 add_ldflags -fPIC
3799                 ;;
3800         esac
3801     ;;
3802     *-usan)
3803         cc_default="${toolchain%-usan}"
3804         add_cflags  -fsanitize=undefined
3805         add_ldflags -fsanitize=undefined
3806     ;;
3807     valgrind-*)
3808         target_exec_default="valgrind"
3809         case "$toolchain" in
3810             valgrind-massif)
3811                 target_exec_args="--tool=massif --alloc-fn=av_malloc --alloc-fn=av_mallocz --alloc-fn=av_calloc --alloc-fn=av_fast_padded_malloc --alloc-fn=av_fast_malloc --alloc-fn=av_realloc_f --alloc-fn=av_fast_realloc --alloc-fn=av_realloc"
3812                 ;;
3813             valgrind-memcheck)
3814                 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
3815                 ;;
3816         esac
3817     ;;
3818     msvc)
3819         # Check whether the current MSVC version needs the C99 converter.
3820         # From MSVC 2013 (compiler major version 18) onwards, it does actually
3821         # support enough of C99 to build ffmpeg. Default to the new
3822         # behaviour if the regexp was unable to match anything, since this
3823         # successfully parses the version number of existing supported
3824         # versions that require the converter (MSVC 2010 and 2012).
3825         cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
3826         if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
3827             cc_default="cl"
3828             cxx_default="cl"
3829         else
3830             cc_default="c99wrap cl"
3831             cxx_default="c99wrap cl"
3832         fi
3833         ld_default="$source_path/compat/windows/mslink"
3834         nm_default="dumpbin -symbols"
3835         ar_default="lib"
3836         case "$arch" in
3837         arm*)
3838             as_default="armasm"
3839             ;;
3840         esac
3841         target_os_default="win32"
3842         # Use a relative path for TMPDIR. This makes sure all the
3843         # ffconf temp files are written with a relative path, avoiding
3844         # issues with msys/win32 path conversion for MSVC parameters
3845         # such as -Fo<file> or -out:<file>.
3846         TMPDIR=.
3847     ;;
3848     icl)
3849         cc_default="icl"
3850         ld_default="xilink"
3851         nm_default="dumpbin -symbols"
3852         ar_default="xilib"
3853         target_os_default="win32"
3854         TMPDIR=.
3855     ;;
3856     gcov)
3857         add_cflags  -fprofile-arcs -ftest-coverage
3858         add_ldflags -fprofile-arcs -ftest-coverage
3859     ;;
3860     llvm-cov)
3861         add_cflags -fprofile-arcs -ftest-coverage
3862         add_ldflags --coverage
3863     ;;
3864     hardened)
3865         add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
3866         add_cflags   -fno-strict-overflow -fstack-protector-all
3867         add_ldflags  -Wl,-z,relro -Wl,-z,now
3868         add_cflags   -fPIE
3869         add_ldexeflags -fPIE -pie
3870     ;;
3871     ?*)
3872         die "Unknown toolchain $toolchain"
3873     ;;
3874 esac
3875
3876 test -n "$cross_prefix" && enable cross_compile
3877
3878 if enabled cross_compile; then
3879     test -n "$arch" && test -n "$target_os" ||
3880         die "Must specify target arch (--arch) and OS (--target-os) when cross-compiling"
3881 fi
3882
3883 ar_default="${cross_prefix}${ar_default}"
3884 cc_default="${cross_prefix}${cc_default}"
3885 cxx_default="${cross_prefix}${cxx_default}"
3886 nm_default="${cross_prefix}${nm_default}"
3887 pkg_config_default="${cross_prefix}${pkg_config_default}"
3888 if ${cross_prefix}${ranlib_default} 2>&1 | grep -q "\-D "; then
3889     ranlib_default="${cross_prefix}${ranlib_default} -D"
3890 else
3891     ranlib_default="${cross_prefix}${ranlib_default}"
3892 fi
3893 strip_default="${cross_prefix}${strip_default}"
3894 windres_default="${cross_prefix}${windres_default}"
3895
3896 sysinclude_default="${sysroot}/usr/include"
3897
3898 set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \
3899     target_exec target_os x86asmexe nvcc
3900 enabled cross_compile || host_cc_default=$cc
3901 set_default host_cc
3902
3903 pkg_config_fail_message=""
3904 if ! $pkg_config --version >/dev/null 2>&1; then
3905     warn "$pkg_config not found, library detection may fail."
3906     pkg_config=false
3907 elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then
3908     pkg_config_fail_message="
3909 Note: When building a static binary, add --pkg-config-flags=\"--static\"."
3910 fi
3911
3912 if test $doxygen != $doxygen_default && \
3913   ! $doxygen --version >/dev/null 2>&1; then
3914     warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."
3915 fi
3916
3917 exesuf() {
3918     case $1 in
3919         mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
3920     esac
3921 }
3922
3923 EXESUF=$(exesuf $target_os)
3924 HOSTEXESUF=$(exesuf $host_os)
3925
3926 # set temporary file name
3927 : ${TMPDIR:=$TEMPDIR}
3928 : ${TMPDIR:=$TMP}
3929 : ${TMPDIR:=/tmp}
3930
3931 if [ -n "$tempprefix" ] ; then
3932     mktemp(){
3933         tmpname="$tempprefix.${HOSTNAME}.${UID}"
3934         echo "$tmpname"
3935         mkdir "$tmpname"
3936     }
3937 elif ! check_cmd mktemp -u XXXXXX; then
3938     # simple replacement for missing mktemp
3939     # NOT SAFE FOR GENERAL USE
3940     mktemp(){
3941         tmpname="${2%%XXX*}.${HOSTNAME}.${UID}.$$"
3942         echo "$tmpname"
3943         mkdir "$tmpname"
3944     }
3945 fi
3946
3947 FFTMPDIR=$(mktemp -d "${TMPDIR}/ffconf.XXXXXXXX" 2> /dev/null) ||
3948     die "Unable to create temporary directory in $TMPDIR."
3949
3950 tmpfile(){
3951     tmp="${FFTMPDIR}/test"$2
3952     (set -C; exec > $tmp) 2> /dev/null ||
3953         die "Unable to create temporary file in $FFTMPDIR."
3954     eval $1=$tmp
3955 }
3956
3957 trap 'rm -rf -- "$FFTMPDIR"' EXIT
3958 trap 'exit 2' INT
3959
3960 tmpfile TMPASM .asm
3961 tmpfile TMPC   .c
3962 tmpfile TMPCPP .cpp
3963 tmpfile TMPE   $EXESUF
3964 tmpfile TMPH   .h
3965 tmpfile TMPM   .m
3966 tmpfile TMPO   .o
3967 tmpfile TMPS   .S
3968 tmpfile TMPSH  .sh
3969 tmpfile TMPV   .ver
3970
3971 unset -f mktemp
3972
3973 chmod +x $TMPE
3974
3975 # make sure we can execute files in $TMPDIR
3976 cat > $TMPSH 2>> $logfile <<EOF
3977 #! /bin/sh
3978 EOF
3979 chmod +x $TMPSH >> $logfile 2>&1
3980 if ! $TMPSH >> $logfile 2>&1; then
3981     cat <<EOF
3982 Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
3983 variable to another directory and make sure that it is not mounted noexec.
3984 EOF
3985     die "Sanity test failed."
3986 fi
3987
3988 armasm_flags(){
3989     for flag; do
3990         case $flag in
3991             # Filter out MSVC cl.exe options from cflags that shouldn't
3992             # be passed to gas-preprocessor
3993             -M[TD]*)                                            ;;
3994             *)                  echo $flag                      ;;
3995         esac
3996    done
3997 }
3998
3999 cparser_flags(){
4000     for flag; do
4001         case $flag in
4002             -Wno-switch)             echo -Wno-switch-enum ;;
4003             -Wno-format-zero-length) ;;
4004             -Wdisabled-optimization) ;;
4005             -Wno-pointer-sign)       echo -Wno-other ;;
4006             *)                       echo $flag ;;
4007         esac
4008     done
4009 }
4010
4011 msvc_common_flags(){
4012     for flag; do
4013         case $flag in
4014             # In addition to specifying certain flags under the compiler
4015             # specific filters, they must be specified here as well or else the
4016             # generic catch all at the bottom will print the original flag.
4017             -Wall)                ;;
4018             -Wextra)              ;;
4019             -std=c99)             ;;
4020             # Common flags
4021             -fomit-frame-pointer) ;;
4022             -g)                   echo -Z7 ;;
4023             -fno-math-errno)      ;;
4024             -fno-common)          ;;
4025             -fno-signed-zeros)    ;;
4026             -fPIC)                ;;
4027             -mthumb)              ;;
4028             -march=*)             ;;
4029             -lz)                  echo zlib.lib ;;
4030             -lx264)               echo libx264.lib ;;
4031             -lstdc++)             ;;
4032             -l*)                  echo ${flag#-l}.lib ;;
4033             -LARGEADDRESSAWARE)   echo $flag ;;
4034             -L*)                  echo -libpath:${flag#-L} ;;
4035             *)                    echo $flag ;;
4036         esac
4037     done
4038 }
4039
4040 msvc_flags(){
4041     msvc_common_flags "$@"
4042     for flag; do
4043         case $flag in
4044             -Wall)                echo -W3 -wd4018 -wd4146 -wd4244 -wd4305     \
4045                                        -wd4554 ;;
4046             -Wextra)              echo -W4 -wd4244 -wd4127 -wd4018 -wd4389     \
4047                                        -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
4048                                        -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
4049                                        -wd4307 \
4050                                        -wd4273 -wd4554 -wd4701 -wd4703 ;;
4051         esac
4052     done
4053 }
4054
4055 icl_flags(){
4056     msvc_common_flags "$@"
4057     for flag; do
4058         case $flag in
4059             # Despite what Intel's documentation says -Wall, which is supported
4060             # on Windows, does enable remarks so disable them here.
4061             -Wall)                echo $flag -Qdiag-disable:remark ;;
4062             -std=c99)             echo -Qstd=c99 ;;
4063             -flto)                echo -ipo ;;
4064         esac
4065     done
4066 }
4067
4068 icc_flags(){
4069     for flag; do
4070         case $flag in
4071             -flto)                echo -ipo ;;
4072             *)                    echo $flag ;;
4073         esac
4074     done
4075 }
4076
4077 pgi_flags(){
4078     for flag; do
4079         case $flag in
4080             -flto)                echo -Mipa=fast,libopt,libinline,vestigial ;;
4081             -fomit-frame-pointer) echo -Mnoframe ;;
4082             -g)                   echo -gopt ;;
4083             *)                    echo $flag ;;
4084         esac
4085     done
4086 }
4087
4088 suncc_flags(){
4089     for flag; do
4090         case $flag in
4091             -march=*|-mcpu=*)
4092                 case "${flag#*=}" in
4093                     native)                   echo -xtarget=native       ;;
4094                     v9|niagara)               echo -xarch=sparc          ;;
4095                     ultrasparc)               echo -xarch=sparcvis       ;;
4096                     ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
4097                     i586|pentium)             echo -xchip=pentium        ;;
4098                     i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
4099                     pentium3*|c3-2)           echo -xtarget=pentium3     ;;
4100                     pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
4101                     pentium4*)          echo -xtarget=pentium4           ;;
4102                     prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
4103                     *-sse3)             echo -xarch=sse3                 ;;
4104                     core2)              echo -xarch=ssse3 -xchip=core2   ;;
4105                     bonnell)                   echo -xarch=ssse3         ;;
4106                     corei7|nehalem)            echo -xtarget=nehalem     ;;
4107                     westmere)                  echo -xtarget=westmere    ;;
4108                     silvermont)                echo -xarch=sse4_2        ;;
4109                     corei7-avx|sandybridge)    echo -xtarget=sandybridge ;;
4110                     core-avx*|ivybridge|haswell|broadwell|skylake*|knl)
4111                                                echo -xarch=avx           ;;
4112                     amdfam10|barcelona)        echo -xtarget=barcelona   ;;
4113                     btver1)                    echo -xarch=amdsse4a      ;;
4114                     btver2|bdver*|znver*)      echo -xarch=avx           ;;
4115                     athlon-4|athlon-[mx]p)     echo -xarch=ssea          ;;
4116                     k8|opteron|athlon64|athlon-fx)
4117                                                echo -xarch=sse2a         ;;
4118                     athlon*)                   echo -xarch=pentium_proa  ;;
4119                 esac
4120                 ;;
4121             -std=c99)             echo -xc99              ;;
4122             -fomit-frame-pointer) echo -xregs=frameptr    ;;
4123             -fPIC)                echo -KPIC -xcode=pic32 ;;
4124             -W*,*)                echo $flag              ;;
4125             -f*-*|-W*|-mimpure-text)                      ;;
4126             -shared)              echo -G                 ;;
4127             *)                    echo $flag              ;;
4128         esac
4129     done
4130 }
4131
4132 tms470_flags(){
4133     for flag; do