3 # FFmpeg configure script
5 # Copyright (c) 2000-2002 Fabrice Bellard
6 # Copyright (c) 2005-2008 Diego Biurrun
7 # Copyright (c) 2005-2008 Mans Rullgard
10 # Prevent locale nonsense from breaking basic text processing.
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
18 echo "Trying shell $1"
19 type "$1" > /dev/null 2>&1 && exec "$@"
23 (: ${foo%%bar}) 2> /dev/null
26 (: ${foo?}) 2> /dev/null
29 if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
32 if test "0$FF_CONF_EXEC" -lt 1; then
34 try_exec bash "$0" "$@"
36 if test "0$FF_CONF_EXEC" -lt 2; then
38 try_exec ksh "$0" "$@"
40 if test "0$FF_CONF_EXEC" -lt 3; then
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
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."
57 test -d /usr/xpg4/bin && PATH=/usr/xpg4/bin:$PATH
61 Usage: configure [options]
62 Options: [defaults in brackets after descriptions]
65 --help print this message
66 --quiet Suppress showing informative output
67 --list-decoders show all available decoders
68 --list-encoders show all available encoders
69 --list-hwaccels show all available hardware accelerators
70 --list-demuxers show all available demuxers
71 --list-muxers show all available muxers
72 --list-parsers show all available parsers
73 --list-protocols show all available protocols
74 --list-bsfs show all available bitstream filters
75 --list-indevs show all available input devices
76 --list-outdevs show all available output devices
77 --list-filters show all available filters
80 --logfile=FILE log tests and output to FILE [ffbuild/config.log]
81 --disable-logging do not log configure debug information
82 --fatal-warnings fail if any configure warning is generated
83 --prefix=PREFIX install in PREFIX [$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
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]
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]
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
120 Documentation options:
121 --disable-doc do not build documentation
122 --disable-htmlpages do not build HTML documentation pages
123 --disable-manpages do not build man documentation pages
124 --disable-podpages do not build POD documentation pages
125 --disable-txtpages do not build text documentation pages
128 --disable-avdevice disable libavdevice build
129 --disable-avcodec disable libavcodec build
130 --disable-avformat disable libavformat build
131 --disable-swresample disable libswresample build
132 --disable-swscale disable libswscale build
133 --disable-postproc disable libpostproc build
134 --disable-avfilter disable libavfilter build
135 --enable-avresample enable libavresample build (deprecated) [no]
136 --disable-pthreads disable pthreads [autodetect]
137 --disable-w32threads disable Win32 threads [autodetect]
138 --disable-os2threads disable OS/2 threads [autodetect]
139 --disable-network disable network support [no]
140 --disable-dct disable DCT code
141 --disable-dwt disable DWT code
142 --disable-error-resilience disable error resilience code
143 --disable-lsp disable LSP code
144 --disable-lzo disable LZO decoder code
145 --disable-mdct disable MDCT code
146 --disable-rdft disable RDFT code
147 --disable-fft disable FFT code
148 --disable-faan disable floating point AAN (I)DCT code
149 --disable-pixelutils disable pixel utils in libavutil
151 Individual component options:
152 --disable-everything disable all components listed below
153 --disable-encoder=NAME disable encoder NAME
154 --enable-encoder=NAME enable encoder NAME
155 --disable-encoders disable all encoders
156 --disable-decoder=NAME disable decoder NAME
157 --enable-decoder=NAME enable decoder NAME
158 --disable-decoders disable all decoders
159 --disable-hwaccel=NAME disable hwaccel NAME
160 --enable-hwaccel=NAME enable hwaccel NAME
161 --disable-hwaccels disable all hwaccels
162 --disable-muxer=NAME disable muxer NAME
163 --enable-muxer=NAME enable muxer NAME
164 --disable-muxers disable all muxers
165 --disable-demuxer=NAME disable demuxer NAME
166 --enable-demuxer=NAME enable demuxer NAME
167 --disable-demuxers disable all demuxers
168 --enable-parser=NAME enable parser NAME
169 --disable-parser=NAME disable parser NAME
170 --disable-parsers disable all parsers
171 --enable-bsf=NAME enable bitstream filter NAME
172 --disable-bsf=NAME disable bitstream filter NAME
173 --disable-bsfs disable all bitstream filters
174 --enable-protocol=NAME enable protocol NAME
175 --disable-protocol=NAME disable protocol NAME
176 --disable-protocols disable all protocols
177 --enable-indev=NAME enable input device NAME
178 --disable-indev=NAME disable input device NAME
179 --disable-indevs disable input devices
180 --enable-outdev=NAME enable output device NAME
181 --disable-outdev=NAME disable output device NAME
182 --disable-outdevs disable output devices
183 --disable-devices disable all devices
184 --enable-filter=NAME enable filter NAME
185 --disable-filter=NAME disable filter NAME
186 --disable-filters disable all filters
188 External library support:
190 Using any of the following switches will allow FFmpeg to link to the
191 corresponding external library. All the components depending on that library
192 will become enabled, if all their other dependencies are met and they are not
193 explicitly disabled. E.g. --enable-libwavpack will enable linking to
194 libwavpack and allow the libwavpack encoder to be built, unless it is
195 specifically disabled with --disable-encoder=libwavpack.
197 Note that only the system libraries are auto-detected. All the other external
198 libraries must be explicitly enabled.
200 Also note that the following help text describes the purpose of the libraries
201 themselves, not all their features will necessarily be usable by FFmpeg.
203 --disable-alsa disable ALSA support [autodetect]
204 --disable-appkit disable Apple AppKit framework [autodetect]
205 --disable-avfoundation disable Apple AVFoundation framework [autodetect]
206 --enable-avisynth enable reading of AviSynth script files [no]
207 --disable-bzlib disable bzlib [autodetect]
208 --disable-coreimage disable Apple CoreImage framework [autodetect]
209 --enable-chromaprint enable audio fingerprinting with chromaprint [no]
210 --enable-frei0r enable frei0r video filtering [no]
211 --enable-gcrypt enable gcrypt, needed for rtmp(t)e support
212 if openssl, librtmp or gmp is not used [no]
213 --enable-gmp enable gmp, needed for rtmp(t)e support
214 if openssl or librtmp is not used [no]
215 --enable-gnutls enable gnutls, needed for https support
216 if openssl, libtls or mbedtls is not used [no]
217 --disable-iconv disable iconv [autodetect]
218 --enable-jni enable JNI support [no]
219 --enable-ladspa enable LADSPA audio filtering [no]
220 --enable-libaom enable AV1 video encoding/decoding via libaom [no]
221 --enable-libaribb24 enable ARIB text and caption decoding via libaribb24 [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-libcodec2 enable codec2 en/decoding using libcodec2 [no]
230 --enable-libdav1d enable AV1 decoding via libdav1d [no]
231 --enable-libdavs2 enable AVS2 decoding via libdavs2 [no]
232 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
234 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
235 --enable-libflite enable flite (voice synthesis) support via libflite [no]
236 --enable-libfontconfig enable libfontconfig, useful for drawtext filter [no]
237 --enable-libfreetype enable libfreetype, needed for drawtext filter [no]
238 --enable-libfribidi enable libfribidi, improves drawtext filter [no]
239 --enable-libgme enable Game Music Emu via libgme [no]
240 --enable-libgsm enable GSM de/encoding via libgsm [no]
241 --enable-libiec61883 enable iec61883 via libiec61883 [no]
242 --enable-libilbc enable iLBC de/encoding via libilbc [no]
243 --enable-libjack enable JACK audio sound server [no]
244 --enable-libklvanc enable Kernel Labs VANC processing [no]
245 --enable-libkvazaar enable HEVC encoding via libkvazaar [no]
246 --enable-liblensfun enable lensfun lens correction [no]
247 --enable-libmodplug enable ModPlug via libmodplug [no]
248 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
249 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
250 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
251 --enable-libopencv enable video filtering via libopencv [no]
252 --enable-libopenh264 enable H.264 encoding via OpenH264 [no]
253 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
254 --enable-libopenmpt enable decoding tracked files via libopenmpt [no]
255 --enable-libopus enable Opus de/encoding via libopus [no]
256 --enable-libpulse enable Pulseaudio input via libpulse [no]
257 --enable-librsvg enable SVG rasterization via librsvg [no]
258 --enable-librubberband enable rubberband needed for rubberband filter [no]
259 --enable-librtmp enable RTMP[E] support via librtmp [no]
260 --enable-libshine enable fixed-point MP3 encoding via libshine [no]
261 --enable-libsmbclient enable Samba protocol via libsmbclient [no]
262 --enable-libsnappy enable Snappy compression, needed for hap encoding [no]
263 --enable-libsoxr enable Include libsoxr resampling [no]
264 --enable-libspeex enable Speex de/encoding via libspeex [no]
265 --enable-libsrt enable Haivision SRT protocol via libsrt [no]
266 --enable-libssh enable SFTP protocol via libssh [no]
267 --enable-libtensorflow enable TensorFlow as a DNN module backend
268 for DNN based filters like sr [no]
269 --enable-libtesseract enable Tesseract, needed for ocr filter [no]
270 --enable-libtheora enable Theora encoding via libtheora [no]
271 --enable-libtls enable LibreSSL (via libtls), needed for https support
272 if openssl, gnutls or mbedtls is not used [no]
273 --enable-libtwolame enable MP2 encoding via libtwolame [no]
274 --enable-libv4l2 enable libv4l2/v4l-utils [no]
275 --enable-libvidstab enable video stabilization using vid.stab [no]
276 --enable-libvmaf enable vmaf filter via libvmaf [no]
277 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
278 --enable-libvorbis enable Vorbis en/decoding via libvorbis,
279 native implementation exists [no]
280 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
281 --enable-libwavpack enable wavpack encoding via libwavpack [no]
282 --enable-libwebp enable WebP encoding via libwebp [no]
283 --enable-libx264 enable H.264 encoding via x264 [no]
284 --enable-libx265 enable HEVC encoding via x265 [no]
285 --enable-libxavs enable AVS encoding via xavs [no]
286 --enable-libxavs2 enable AVS2 encoding via xavs2 [no]
287 --enable-libxcb enable X11 grabbing using XCB [autodetect]
288 --enable-libxcb-shm enable X11 grabbing shm communication [autodetect]
289 --enable-libxcb-xfixes enable X11 grabbing mouse rendering [autodetect]
290 --enable-libxcb-shape enable X11 grabbing shape rendering [autodetect]
291 --enable-libxvid enable Xvid encoding via xvidcore,
292 native MPEG-4/Xvid encoder exists [no]
293 --enable-libxml2 enable XML parsing using the C library libxml2, needed
294 for dash demuxing support [no]
295 --enable-libzimg enable z.lib, needed for zscale filter [no]
296 --enable-libzmq enable message passing via libzmq [no]
297 --enable-libzvbi enable teletext support via libzvbi [no]
298 --enable-lv2 enable LV2 audio filtering [no]
299 --disable-lzma disable lzma [autodetect]
300 --enable-decklink enable Blackmagic DeckLink I/O support [no]
301 --enable-mbedtls enable mbedTLS, needed for https support
302 if openssl, gnutls or libtls is not used [no]
303 --enable-mediacodec enable Android MediaCodec support [no]
304 --enable-libmysofa enable libmysofa, needed for sofalizer filter [no]
305 --enable-openal enable OpenAL 1.1 capture support [no]
306 --enable-opencl enable OpenCL processing [no]
307 --enable-opengl enable OpenGL rendering [no]
308 --enable-openssl enable openssl, needed for https support
309 if gnutls, libtls or mbedtls is not used [no]
310 --disable-sndio disable sndio support [autodetect]
311 --disable-schannel disable SChannel SSP, needed for TLS support on
312 Windows if openssl and gnutls are not used [autodetect]
313 --disable-sdl2 disable sdl2 [autodetect]
314 --disable-securetransport disable Secure Transport, needed for TLS support
315 on OSX if openssl and gnutls are not used [autodetect]
316 --enable-vapoursynth enable VapourSynth demuxer [no]
317 --disable-xlib disable xlib [autodetect]
318 --disable-zlib disable zlib [autodetect]
320 The following libraries provide various hardware acceleration features:
321 --disable-amf disable AMF video encoding code [autodetect]
322 --disable-audiotoolbox disable Apple AudioToolbox code [autodetect]
323 --enable-cuda-nvcc enable Nvidia CUDA compiler [no]
324 --disable-cuvid disable Nvidia CUVID support [autodetect]
325 --disable-d3d11va disable Microsoft Direct3D 11 video acceleration code [autodetect]
326 --disable-dxva2 disable Microsoft DirectX 9 video acceleration code [autodetect]
327 --disable-ffnvcodec disable dynamically linked Nvidia code [autodetect]
328 --enable-libdrm enable DRM code (Linux) [no]
329 --enable-libmfx enable Intel MediaSDK (AKA Quick Sync Video) code via libmfx [no]
330 --enable-libnpp enable Nvidia Performance Primitives-based code [no]
331 --enable-mmal enable Broadcom Multi-Media Abstraction Layer (Raspberry Pi) via MMAL [no]
332 --disable-nvdec disable Nvidia video decoding acceleration (via hwaccel) [autodetect]
333 --disable-nvenc disable Nvidia video encoding code [autodetect]
334 --enable-omx enable OpenMAX IL code [no]
335 --enable-omx-rpi enable OpenMAX IL code for Raspberry Pi [no]
336 --enable-rkmpp enable Rockchip Media Process Platform code [no]
337 --disable-v4l2-m2m disable V4L2 mem2mem code [autodetect]
338 --disable-vaapi disable Video Acceleration API (mainly Unix/Intel) code [autodetect]
339 --disable-vdpau disable Nvidia Video Decode and Presentation API for Unix code [autodetect]
340 --disable-videotoolbox disable VideoToolbox code [autodetect]
343 --arch=ARCH select architecture [$arch]
344 --cpu=CPU select the minimum required CPU (affects
345 instruction selection, may crash on older CPUs)
346 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
347 --progs-suffix=SUFFIX program name suffix []
348 --enable-cross-compile assume a cross-compiler is used
349 --sysroot=PATH root of cross-build tree
350 --sysinclude=PATH location of cross-build system headers
351 --target-os=OS compiler targets OS [$target_os]
352 --target-exec=CMD command to run executables on target
353 --target-path=DIR path to view of build directory on target
354 --target-samples=DIR path to samples directory on target
355 --tempprefix=PATH force fixed dir/prefix instead of mktemp for checks
356 --toolchain=NAME set tool defaults according to NAME
357 (gcc-asan, clang-asan, gcc-msan, clang-msan,
358 gcc-tsan, clang-tsan, gcc-usan, clang-usan,
359 valgrind-massif, valgrind-memcheck,
360 msvc, icl, gcov, llvm-cov, hardened)
361 --nm=NM use nm tool NM [$nm_default]
362 --ar=AR use archive tool AR [$ar_default]
363 --as=AS use assembler AS [$as_default]
364 --ln_s=LN_S use symbolic link tool LN_S [$ln_s_default]
365 --strip=STRIP use strip tool STRIP [$strip_default]
366 --windres=WINDRES use windows resource compiler WINDRES [$windres_default]
367 --x86asmexe=EXE use nasm-compatible assembler EXE [$x86asmexe_default]
368 --cc=CC use C compiler CC [$cc_default]
369 --cxx=CXX use C compiler CXX [$cxx_default]
370 --objcc=OCC use ObjC compiler OCC [$cc_default]
371 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
372 --nvcc=NVCC use Nvidia CUDA compiler NVCC [$nvcc_default]
373 --ld=LD use linker LD [$ld_default]
374 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
375 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
376 --ranlib=RANLIB use ranlib RANLIB [$ranlib_default]
377 --doxygen=DOXYGEN use DOXYGEN to generate API doc [$doxygen_default]
378 --host-cc=HOSTCC use host C compiler HOSTCC
379 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
380 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
381 --host-ld=HOSTLD use host linker HOSTLD
382 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
383 --host-extralibs=HLIBS use libs HLIBS when linking for host
384 --host-os=OS compiler host OS [$target_os]
385 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
386 --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
387 --extra-objcflags=FLAGS add FLAGS to OBJCFLAGS [$CFLAGS]
388 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
389 --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
390 --extra-ldsoflags=ELDFLAGS add ELDFLAGS to LDSOFLAGS [$LDSOFLAGS]
391 --extra-libs=ELIBS add ELIBS [$ELIBS]
392 --extra-version=STRING version string suffix []
393 --optflags=OPTFLAGS override optimization-related compiler flags
394 --nvccflags=NVCCFLAGS override nvcc flags [$nvccflags_default]
395 --build-suffix=SUFFIX library name suffix []
396 --enable-pic build position-independent code
397 --enable-thumb compile for Thumb instruction set
398 --enable-lto use link-time optimization
399 --env="ENV=override" override the environment variables
401 Advanced options (experts only):
402 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
403 --custom-allocator=NAME use a supported custom allocator
404 --disable-symver disable symbol versioning
405 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
406 --disable-safe-bitstream-reader
407 disable buffer boundary checking in bitreaders
408 (faster, but may crash)
409 --sws-max-filter-size=N the max filter size swscale uses [$sws_max_filter_size_default]
411 Optimization options (experts only):
412 --disable-asm disable all assembly optimizations
413 --disable-altivec disable AltiVec optimizations
414 --disable-vsx disable VSX optimizations
415 --disable-power8 disable POWER8 optimizations
416 --disable-amd3dnow disable 3DNow! optimizations
417 --disable-amd3dnowext disable 3DNow! extended optimizations
418 --disable-mmx disable MMX optimizations
419 --disable-mmxext disable MMXEXT optimizations
420 --disable-sse disable SSE optimizations
421 --disable-sse2 disable SSE2 optimizations
422 --disable-sse3 disable SSE3 optimizations
423 --disable-ssse3 disable SSSE3 optimizations
424 --disable-sse4 disable SSE4 optimizations
425 --disable-sse42 disable SSE4.2 optimizations
426 --disable-avx disable AVX optimizations
427 --disable-xop disable XOP optimizations
428 --disable-fma3 disable FMA3 optimizations
429 --disable-fma4 disable FMA4 optimizations
430 --disable-avx2 disable AVX2 optimizations
431 --disable-avx512 disable AVX-512 optimizations
432 --disable-aesni disable AESNI optimizations
433 --disable-armv5te disable armv5te optimizations
434 --disable-armv6 disable armv6 optimizations
435 --disable-armv6t2 disable armv6t2 optimizations
436 --disable-vfp disable VFP optimizations
437 --disable-neon disable NEON optimizations
438 --disable-inline-asm disable use of inline assembly
439 --disable-x86asm disable use of standalone x86 assembly
440 --disable-mipsdsp disable MIPS DSP ASE R1 optimizations
441 --disable-mipsdspr2 disable MIPS DSP ASE R2 optimizations
442 --disable-msa disable MSA optimizations
443 --disable-mipsfpu disable floating point MIPS optimizations
444 --disable-mmi disable Loongson SIMD optimizations
445 --disable-fast-unaligned consider unaligned accesses slow
447 Developer options (useful when working on FFmpeg itself):
448 --disable-debug disable debugging symbols
449 --enable-debug=LEVEL set the debug level [$debuglevel]
450 --disable-optimizations disable compiler optimizations
451 --enable-extra-warnings enable more compiler warnings
452 --disable-stripping disable stripping of executables and shared libraries
453 --assert-level=level 0(default), 1 or 2, amount of assertion testing,
454 2 causes a slowdown at runtime.
455 --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
456 --valgrind=VALGRIND run "make fate" tests through valgrind to detect memory
457 leaks and errors, using the specified valgrind binary.
458 Cannot be combined with --target-exec
459 --enable-ftrapv Trap arithmetic overflows
460 --samples=PATH location of test samples for FATE, if not set use
461 \$FATE_SAMPLES at make invocation time.
462 --enable-neon-clobber-test check NEON registers for clobbering (should be
463 used only for debugging purposes)
464 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
465 should be used only for debugging purposes)
466 --enable-random randomly enable/disable components
468 --enable-random=LIST randomly enable/disable specific components or
469 --disable-random=LIST component groups. LIST is a comma-separated list
470 of NAME[:PROB] entries where NAME is a component
471 (group) and PROB the probability associated with
473 --random-seed=VALUE seed value for --enable/disable-random
474 --disable-valgrind-backtrace do not print a backtrace under Valgrind
475 (only applies to --disable-optimizations builds)
476 --enable-ossfuzz Enable building fuzzer tool
477 --libfuzzer=PATH path to libfuzzer
478 --ignore-tests=TESTS comma-separated list (without "fate-" prefix
479 in the name) of tests whose result is ignored
480 --enable-linux-perf enable Linux Performance Monitor API
482 NOTE: Object files are built at the place where configure is launched.
487 if test -t 1 && which tput >/dev/null 2>&1; then
488 ncolors=$(tput colors)
489 if test -n "$ncolors" && test $ncolors -ge 8; then
490 bold_color=$(tput bold)
491 warn_color=$(tput setaf 3)
492 error_color=$(tput setaf 1)
493 reset_color=$(tput sgr0)
495 # 72 used instead of 80 since that's the default of pr
501 echo "$@" >> $logfile
506 pr -n -t $1 >> $logfile
512 WARNINGS="${WARNINGS}WARNING: $*\n"
517 echo "$error_color$bold_color$@$reset_color"
520 If you think configure made a mistake, make sure you are using the latest
521 version from Git. If the latest version fails, report the problem to the
522 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
524 if disabled logging; then
526 Rerun configure with logging enabled (do not use --disable-logging), and
527 include the log this produces with your report.
531 Include the log file "$logfile" produced by configure as this will help
538 # Avoid locale weirdness, besides we really just want to translate ASCII.
540 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
544 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
548 echo "$*" | sed 's/["\\]/\\\0/g'
552 v=$(echo "$1" | sed "s/'/'\\\\''/g")
553 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
558 echo "$@" | sed 's/^ *//;s/[[:space:]][[:space:]]*/ /g;s/ *$//'
565 eval "case '$v' in $pat) printf '%s ' '$v' ;; esac"
573 eval "case '$v' in $pat) ;; *) printf '%s ' '$v' ;; esac"
580 for v; do eval $m; done
586 for v; do echo ${v}${suffix}; done
592 for v; do echo ${v%$suffix}; done
607 eval : \${$var:=$value}
612 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
618 eval $(sanitize_var_name "$var")='$*'
622 eval echo \$$(sanitize_var_name "$1")
627 eval level=\${${pvar}_level:=0}
628 eval ${pvar}_${level}="\$$pvar"
629 eval ${pvar}_level=$(($level+1))
635 eval level=\${${pvar}_level:-0}
636 test $level = 0 && continue
637 eval level=$(($level-1))
638 eval $pvar="\${${pvar}_${level}}"
639 eval ${pvar}_level=$level
640 eval unset ${pvar}_${level}
646 eval ${var}_requested=yes
651 warn_if_gets_disabled(){
653 WARN_IF_GETS_DISABLED_LIST="$WARN_IF_GETS_DISABLED_LIST $var"
665 disable_with_reason(){
667 eval "${1}_disable_reason=\"$2\""
668 if requested $1; then
669 die "ERROR: $1 requested, but $2"
683 enable $(sanitize_var_name $var)
689 disable $(sanitize_var_name $var)
695 enabled $var && continue
697 eval enable_deep \$${var}_select
699 eval enable_deep_weak \$${var}_suggest
710 disabled $var && continue
719 test "${1#!}" = "$1" && op="=" || op="!="
720 eval test "x\$${1#!}_requested" $op "xyes"
724 test "${1#!}" = "$1" && op="=" || op="!="
725 eval test "x\$${1#!}" $op "xyes"
729 test "${1#!}" = "$1" && op="=" || op="!="
730 eval test "x\$${1#!}" $op "xno"
735 enabled $opt || return 1
741 disabled $opt || return 1
747 enabled $opt && return 0
753 disabled $opt && return 0
760 eval : \${$opt:=\$${opt}_default}
768 [ $var = $value ] && return 0
773 # The cfg loop is very hot (several thousands iterations), and in bash also
774 # potentialy quite slow. Try to abort the iterations early, preferably without
775 # calling functions. 70%+ of the time cfg is already done or without deps.
778 eval [ x\$${cfg}_checking = xdone ] && continue
779 eval [ x\$${cfg}_checking = xinprogress ] && die "Circular dependency for $cfg."
782 dep_all=\$${cfg}_deps
783 dep_any=\$${cfg}_deps_any
784 dep_con=\$${cfg}_conflict
785 dep_sel=\$${cfg}_select
786 dep_sgs=\$${cfg}_suggest
788 dep_ifn=\$${cfg}_if_any
791 # most of the time here $cfg has no deps - avoid costly no-op work
792 if [ "$dep_all$dep_any$dep_con$dep_sel$dep_sgs$dep_ifa$dep_ifn" ]; then
793 eval ${cfg}_checking=inprogress
795 set -- $cfg "$dep_all" "$dep_any" "$dep_con" "$dep_sel" "$dep_sgs" "$dep_ifa" "$dep_ifn"
796 check_deps $dep_all $dep_any $dep_con $dep_sel $dep_sgs $dep_ifa $dep_ifn
797 cfg=$1; dep_all=$2; dep_any=$3; dep_con=$4; dep_sel=$5 dep_sgs=$6; dep_ifa=$7; dep_ifn=$8
799 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
800 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
801 enabled_all $dep_all || { disable_with_reason $cfg "not all dependencies are satisfied: $dep_all"; }
802 enabled_any $dep_any || { disable_with_reason $cfg "not any dependency is satisfied: $dep_any"; }
803 disabled_all $dep_con || { disable_with_reason $cfg "some conflicting dependencies are unsatisfied: $dep_con"; }
804 disabled_any $dep_sel && { disable_with_reason $cfg "some selected dependency is unsatisfied: $dep_sel"; }
806 enabled $cfg && enable_deep_weak $dep_sel $dep_sgs
808 for dep in $dep_all $dep_any $dep_sel $dep_sgs; do
809 # filter out library deps, these do not belong in extralibs
810 is_in $dep $LIBRARY_LIST && continue
811 enabled $dep && eval append ${cfg}_extralibs ${dep}_extralibs
815 eval ${cfg}_checking=done
823 map 'eval echo "$v \${$v:-no}"' "$@" |
824 awk "BEGIN { split(\"$files\", files) }
826 c = \"$pfx\" toupper(\$1);
832 if (file ~ /\\.h\$/) {
833 printf(\"#define %s %d\\n\", c, v) >>file;
834 } else if (file ~ /\\.asm\$/) {
835 printf(\"%%define %s %d\\n\", c, v) >>file;
836 } else if (file ~ /\\.mak\$/) {
837 n = -v ? \"\" : \"!\";
838 printf(\"%s%s=yes\\n\", n, c) >>file;
839 } else if (file ~ /\\.texi\$/) {
840 pre = -v ? \"\" : \"@c \";
843 gsub(/_/, \"-\", c2);
844 printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
854 enabled $v && printf "%s\n" ${v%$suf}
861 eval "$var=\"\$$var $*\""
867 eval "$var=\"$* \$$var\""
874 reverse_out="$v $reverse_out"
880 # keeps the last occurence of each non-unique item
885 for v in $unique_in; do
886 # " $unique_out" +space such that every item is surrounded with spaces
887 case " $unique_out" in *" $v "*) continue; esac # already in list
888 unique_out="$unique_out$v "
897 for v in $resolve_in; do
898 eval 'resolve_out="$resolve_out$'$v' "'
900 eval $1=\$resolve_out
908 append CFLAGS $($cflags_filter "$@")
911 add_cflags_headers(){
912 append CFLAGS_HEADERS $($cflags_filter "$@")
916 append CXXFLAGS $($cflags_filter "$@")
920 append OBJCFLAGS $($objcflags_filter "$@")
924 append ASFLAGS $($asflags_filter "$@")
928 append LDFLAGS $($ldflags_filter "$@")
932 append LDEXEFLAGS $($ldflags_filter "$@")
936 append LDSOFLAGS $($ldflags_filter "$@")
940 prepend extralibs $($ldflags_filter "$@")
944 append ASMSTRIPFLAGS "$@"
948 append host_cppflags "$@"
952 append host_cflags $($host_cflags_filter "$@")
956 append host_ldflags $($host_ldflags_filter "$@")
960 append compat_objs $1
962 map 'add_cppflags -D$v' "$@"
967 "$@" >> $logfile 2>&1
972 stat "$1" >> $logfile 2>&1
976 eval printf '%s\\n' $CC_E
980 eval printf '%s\\n' $CC_O
984 eval printf '%s\\n' $AS_O
988 eval printf '%s\\n' $X86ASM_O
992 eval printf '%s\\n' $LD_O
996 eval printf '%s\\n' $HOSTCC_E
1000 eval printf '%s\\n' $HOSTCC_O
1004 eval printf '%s\\n' $NVCC_O
1011 test_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
1018 test_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
1025 test_cmd $objcc -Werror=missing-prototypes $CPPFLAGS $CFLAGS $OBJCFLAGS "$@" $OBJCC_C $(cc_o $TMPO) $TMPM
1034 [ -x "$(command -v cygpath)" ] && tmpcu_=$(cygpath -m $tmpcu_) && tmpo_=$(cygpath -m $tmpo_)
1035 test_cmd $nvcc -ptx $NVCCFLAGS "$@" $NVCC_C $(nvcc_o $tmpo_) $tmpcu_
1042 __global__ void hello(unsigned char *data) {}
1051 test_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
1058 test_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
1062 log test_x86asm "$@"
1066 test_cmd $x86asmexe $X86ASMFLAGS -Werror "$@" $(x86asm_o $TMPO) $TMPASM
1072 disabled $cmd && return
1074 test_cmd $@ && enable $cmd
1083 test_as $@ <<EOF && enable $name
1089 log check_inline_asm "$@"
1094 test_cc "$@" <<EOF && enable $name
1095 void foo(void){ __asm__ volatile($code); }
1099 check_inline_asm_flags(){
1100 log check_inline_asm_flags "$@"
1105 while [ "$1" != "" ]; do
1111 void foo(void){ __asm__ volatile($code); }
1114 test_cmd $cc $CPPFLAGS $CFLAGS $flags "$@" $CC_C $(cc_o $TMPO) $TMPC &&
1115 enable $name && add_cflags $flags && add_asflags $flags && add_ldflags $flags
1120 check_inline_asm ${1}_inline "\"$2\""
1121 check_as ${1}_external "$2"
1125 log check_x86asm "$@"
1129 test_x86asm "$@" && enable $name
1136 flags=$(filter_out '-l*|*.so' $@)
1137 libs=$(filter '-l*|*.so' $@)
1138 test_$type $($cflags_filter $flags) || return
1139 flags=$($ldflags_filter $flags)
1140 libs=$($ldflags_filter $libs)
1141 test_cmd $ld $LDFLAGS $LDEXEFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
1150 test_ld $type $@ && enable $name
1155 test "${hdr%.h}" = "${hdr}" &&
1156 echo "#include $hdr" ||
1157 echo "#include <$hdr>"
1167 for hdr in $headers; do
1170 echo "int main(void) { $code; return 0; }"
1171 } | test_$check "$@"
1175 log check_cppflags "$@"
1176 test_cpp "$@" <<EOF && append CPPFLAGS "$@"
1182 log test_cflags "$@"
1183 set -- $($cflags_filter "$@")
1190 log check_cflags "$@"
1191 test_cflags "$@" && add_cflags "$@"
1195 log check_cxxflags "$@"
1196 set -- $($cflags_filter "$@")
1197 test_cxx "$@" <<EOF && append CXXFLAGS "$@"
1203 log test_objcflags "$@"
1204 set -- $($objcflags_filter "$@")
1205 test_objcc "$@" <<EOF
1211 log check_objcflags "$@"
1212 test_objcflags "$@" && add_objcflags "$@"
1216 log test_ldflags "$@"
1217 set -- $($ldflags_filter "$@")
1218 test_ld "cc" "$@" <<EOF
1219 int main(void){ return 0; }
1224 log check_ldflags "$@"
1225 test_ldflags "$@" && add_ldflags "$@"
1229 log test_stripflags "$@"
1230 # call test_cc to get a fresh TMPO
1232 int main(void) { return 0; }
1234 test_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO
1238 log check_stripflags "$@"
1239 test_stripflags "$@" && add_stripflags "$@"
1243 log check_headers "$@"
1246 disable_sanitized $headers
1248 for hdr in $headers; do
1252 } | test_cpp "$@" && enable_sanitized $headers
1255 check_header_objcc(){
1256 log check_header_objcc "$@"
1260 disable_sanitized $header
1262 echo "#include <$header>"
1263 echo "int main(void) { return 0; }"
1264 } | test_objcc && test_stat "$TMPO" && enable_sanitized $header
1267 check_apple_framework(){
1268 log check_apple_framework "$@"
1270 name="$(tolower $framework)"
1271 header="${framework}/${framework}.h"
1273 check_header_objcc $header &&
1274 enable $name && eval ${name}_extralibs='"-framework $framework"'
1282 test_ld "cc" "$@" <<EOF && enable $func
1284 int main(void){ $func(); }
1288 check_complexfunc(){
1289 log check_complexfunc "$@"
1293 test $narg = 2 && args="f, g" || args="f * I"
1295 test_ld "cc" "$@" <<EOF && enable $func
1296 #include <complex.h>
1298 float foo(complex float f, complex float g) { return $func($args); }
1299 int main(void){ return (int) foo; }
1304 log check_mathfunc "$@"
1308 test $narg = 2 && args="f, g" || args="f"
1310 test_ld "cc" "$@" <<EOF && enable $func
1312 float foo(float f, float g) { return $func($args); }
1313 int main(void){ return (int) foo; }
1317 check_func_headers(){
1318 log check_func_headers "$@"
1323 for hdr in $headers; do
1326 echo "#include <stdint.h>"
1327 for func in $funcs; do
1328 echo "long check_$func(void) { return (long) $func; }"
1330 echo "int main(void) { int ret = 0;"
1331 # LTO could optimize out the test functions without this
1332 for func in $funcs; do
1333 echo " ret |= ((intptr_t)check_$func) & 0xFFFF;"
1335 echo "return ret; }"
1336 } | test_ld "cc" "$@" && enable $funcs && enable_sanitized $headers
1339 check_class_headers_cpp(){
1340 log check_class_headers_cpp "$@"
1345 for hdr in $headers; do
1346 echo "#include <$hdr>"
1348 echo "int main(void) { "
1350 for class in $classes; do
1351 echo "$class obj$i;"
1355 } | test_ld "cxx" "$@" && enable $funcs && enable_sanitized $headers
1358 test_cpp_condition(){
1359 log test_cpp_condition "$@"
1366 #error "unsatisfied condition: $condition"
1371 check_cpp_condition(){
1372 log check_cpp_condition "$@"
1376 test_cpp_condition "$@" && enable $name
1380 log test_cflags_cc "$@"
1385 set -- $($cflags_filter "$flags")
1389 #error "unsatisfied condition: $condition"
1401 check_func_headers "$headers" "$funcs" "$@" &&
1402 enable $name && eval ${name}_extralibs="\$@"
1406 log check_lib_cpp "$@"
1412 check_class_headers_cpp "$headers" "$classes" "$@" &&
1413 enable $name && eval ${name}_extralibs="\$@"
1417 log test_pkg_config "$@"
1425 test_cmd $pkg_config --exists --print-errors $pkg_version || return
1426 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1427 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1428 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1430 set_sanitized "${name}_cflags" $pkg_cflags &&
1431 set_sanitized "${name}_extralibs" $pkg_libs
1435 log check_pkg_config "$@"
1437 test_pkg_config "$@" &&
1438 eval add_cflags \$${name}_cflags
1442 test_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1446 log check_exec_crash "$@"
1449 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1450 # are safe but may not be available everywhere. Thus we use
1451 # raise(SIGTERM) instead. The check is run in a subshell so we
1452 # can redirect the "Terminated" message from the shell. SIGBUS
1453 # is not defined by standard C so it is used conditionally.
1455 (test_exec "$@") >> $logfile 2>&1 <<EOF
1457 static void sighandler(int sig){
1463 int (*func_ptr)(void) = foo;
1465 signal(SIGILL, sighandler);
1466 signal(SIGFPE, sighandler);
1467 signal(SIGSEGV, sighandler);
1469 signal(SIGBUS, sighandler);
1481 disable_sanitized "$type"
1482 test_code cc "$headers" "$type v" "$@" && enable_sanitized "$type"
1486 log check_struct "$@"
1491 disable_sanitized "${struct}_${member}"
1492 test_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1493 enable_sanitized "${struct}_${member}"
1497 log check_builtin "$@"
1503 test_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1506 check_compile_assert(){
1507 log check_compile_assert "$@"
1513 test_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1521 test_code cc "$@" && enable "$name"
1529 check_lib $name "$@" || die "ERROR: $name_version not found"
1535 check_cc "$@" || die "ERROR: $name failed"
1543 check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1547 log require_headers "$@"
1549 check_headers "$@" || die "ERROR: $headers not found"
1552 require_cpp_condition(){
1553 log require_cpp_condition "$@"
1555 check_cpp_condition "$@" || die "ERROR: $condition not satisfied"
1558 require_pkg_config(){
1559 log require_pkg_config "$@"
1561 check_pkg_config "$@" || die "ERROR: $pkg_version not found using pkg-config$pkg_config_fail_message"
1565 log test_host_cc "$@"
1568 test_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1572 log test_host_cpp "$@"
1575 test_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1578 check_host_cppflags(){
1579 log check_host_cppflags "$@"
1580 test_host_cpp "$@" <<EOF && append host_cppflags "$@"
1585 check_host_cflags(){
1586 log check_host_cflags "$@"
1587 set -- $($host_cflags_filter "$@")
1588 test_host_cc "$@" <<EOF && append host_cflags "$@"
1593 test_host_cpp_condition(){
1594 log test_host_cpp_condition "$@"
1598 test_host_cpp "$@" <<EOF
1601 #error "unsatisfied condition: $condition"
1606 check_host_cpp_condition(){
1607 log check_host_cpp_condition "$@"
1611 test_host_cpp_condition "$@" && enable $name
1615 cmp -s "$1" "$2" && { test "$quiet" != "yes" && echo "$2 is unchanged"; } && return
1616 mkdir -p "$(dirname $2)"
1620 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1621 # system-dependent things.
1623 AVCODEC_COMPONENTS="
1631 AVDEVICE_COMPONENTS="
1636 AVFILTER_COMPONENTS="
1640 AVFORMAT_COMPONENTS="
1648 $AVDEVICE_COMPONENTS
1649 $AVFILTER_COMPONENTS
1650 $AVFORMAT_COMPONENTS
1654 avio_dir_cmd_example
1655 avio_reading_example
1656 decode_audio_example
1657 decode_video_example
1658 demuxing_decoding_example
1659 encode_audio_example
1660 encode_video_example
1662 filter_audio_example
1663 filtering_audio_example
1664 filtering_video_example
1665 http_multiclient_example
1671 resampling_audio_example
1672 scaling_video_example
1673 transcode_aac_example
1675 vaapi_encode_example
1676 vaapi_transcode_example
1679 EXTERNAL_AUTODETECT_LIBRARY_LIST="
1699 EXTERNAL_LIBRARY_GPL_LIST="
1713 EXTERNAL_LIBRARY_NONFREE_LIST="
1720 EXTERNAL_LIBRARY_VERSION3_LIST="
1732 EXTERNAL_LIBRARY_GPLV3_LIST="
1736 EXTERNAL_LIBRARY_LIST="
1737 $EXTERNAL_LIBRARY_GPL_LIST
1738 $EXTERNAL_LIBRARY_NONFREE_LIST
1739 $EXTERNAL_LIBRARY_VERSION3_LIST
1740 $EXTERNAL_LIBRARY_GPLV3_LIST
1805 HWACCEL_AUTODETECT_LIBRARY_LIST="
1823 # catchall list of things that require external libs to link
1829 HWACCEL_LIBRARY_NONFREE_LIST="
1835 HWACCEL_LIBRARY_LIST="
1836 $HWACCEL_LIBRARY_NONFREE_LIST
1857 safe_bitstream_reader
1864 # this list should be kept in linking order
1904 # COMPONENT_LIST needs to come last to ensure correct dependency checking
1908 $EXTERNAL_LIBRARY_LIST
1909 $EXTERNAL_AUTODETECT_LIBRARY_LIST
1910 $HWACCEL_LIBRARY_LIST
1911 $HWACCEL_AUTODETECT_LIBRARY_LIST
1943 $EXTERNAL_AUTODETECT_LIBRARY_LIST
1944 $HWACCEL_AUTODETECT_LIBRARY_LIST
1986 ARCH_EXT_LIST_MIPS="
1998 ARCH_EXT_LIST_LOONGSON="
2004 ARCH_EXT_LIST_X86_SIMD="
2034 $ARCH_EXT_LIST_X86_SIMD
2044 $ARCH_EXT_LIST_LOONGSON
2065 sync_val_compare_and_swap
2082 cdio_paranoia_paranoia_h
2085 dev_bktr_ioctl_bt848_h
2086 dev_bktr_ioctl_meteor_h
2088 dev_video_bktr_ioctl_bt848_h
2089 dev_video_meteor_ioctl_meteor_h
2098 machine_ioctl_bt848_h
2099 machine_ioctl_meteor_h
2101 opencv2_core_core_c_h
2163 MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS
2181 GetProcessAffinityMask
2182 GetProcessMemoryInfo
2185 GetSystemTimeAsFileTime
2208 SetConsoleTextAttribute
2209 SetConsoleCtrlHandler
2217 UTGetOSTypeFromString
2229 TOOLCHAIN_FEATURES="
2242 inline_asm_direct_symbol_refs
2244 inline_asm_nonlocal_labels
2255 kCMVideoCodecType_HEVC
2258 struct_group_source_req
2259 struct_ip_mreq_source
2261 struct_msghdr_msg_flags
2263 struct_rusage_ru_maxrss
2264 struct_sctp_event_subscribe
2266 struct_sockaddr_sa_len
2267 struct_sockaddr_storage
2268 struct_stat_st_mtim_tv_nsec
2269 struct_v4l2_frmivalenum_discrete
2274 $(add_suffix _external $ARCH_EXT_LIST)
2275 $(add_suffix _inline $ARCH_EXT_LIST)
2296 opencl_vaapi_beignet
2297 opencl_vaapi_intel_media
2303 # options emitted with CONFIG_ prefix but not available on the command line
2329 frame_thread_encoder
2488 # code dependency declarations
2490 # architecture extensions
2495 armv8_deps="aarch64"
2496 neon_deps_any="aarch64 arm"
2497 intrinsics_neon_deps="neon"
2498 vfp_deps_any="aarch64 arm"
2502 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
2511 loongson2_deps="mips"
2512 loongson3_deps="mips"
2513 mips32r2_deps="mips"
2514 mips32r5_deps="mips"
2515 mips32r6_deps="mips"
2516 mips64r2_deps="mips"
2517 mips64r6_deps="mips"
2520 mipsdspr2_deps="mips"
2525 x86_64_select="i686"
2526 x86_64_suggest="fast_cmov"
2529 amd3dnowext_deps="amd3dnow"
2547 mmx_external_deps="x86asm"
2548 mmx_inline_deps="inline_asm x86"
2549 mmx_suggest="mmx_external mmx_inline"
2551 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
2552 eval dep=\$${ext}_deps
2553 eval ${ext}_external_deps='"${dep}_external"'
2554 eval ${ext}_inline_deps='"${dep}_inline"'
2555 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
2558 aligned_stack_if_any="aarch64 ppc x86"
2559 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
2560 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
2561 fast_unaligned_if_any="aarch64 ppc x86"
2562 simd_align_16_if_any="altivec neon sse"
2563 simd_align_32_if_any="avx"
2564 simd_align_64_if_any="avx512"
2566 # system capabilities
2567 linux_perf_deps="linux_perf_event_h"
2568 symver_if_any="symver_asm_label symver_gnu_asm"
2569 valgrind_backtrace_conflict="optimizations"
2570 valgrind_backtrace_deps="valgrind_valgrind_h"
2573 atomics_gcc_if="sync_val_compare_and_swap"
2574 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
2575 atomics_win32_if="MemoryBarrier"
2576 atomics_native_if_any="$ATOMICS_LIST"
2577 w32threads_deps="atomics_native"
2578 threads_if_any="$THREADS_LIST"
2581 cbs_av1_select="cbs"
2582 cbs_h264_select="cbs golomb"
2583 cbs_h265_select="cbs golomb"
2584 cbs_jpeg_select="cbs"
2585 cbs_mpeg2_select="cbs"
2586 cbs_vp9_select="cbs"
2588 dirac_parse_select="golomb"
2589 dnn_suggest="libtensorflow"
2590 error_resilience_select="me_cmp"
2592 faandct_select="fdctdsp"
2593 faanidct_deps="faan"
2594 faanidct_select="idctdsp"
2595 h264dsp_select="startcode"
2596 hevcparse_select="golomb"
2597 frame_thread_encoder_deps="encoders threads"
2598 intrax8_select="blockdsp idctdsp"
2601 me_cmp_select="fdctdsp idctdsp pixblockdsp"
2602 mpeg_er_select="error_resilience"
2603 mpegaudio_select="mpegaudiodsp mpegaudioheader"
2604 mpegaudiodsp_select="dct"
2605 mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp mpeg_er videodsp"
2606 mpegvideoenc_select="aandcttables me_cmp mpegvideo pixblockdsp qpeldsp"
2607 vc1dsp_select="h264chroma qpeldsp startcode"
2610 # decoders / encoders
2611 aac_decoder_select="adts_header mdct15 mdct sinewin"
2612 aac_fixed_decoder_select="adts_header mdct sinewin"
2613 aac_encoder_select="audio_frame_queue iirfilter lpc mdct sinewin"
2614 aac_latm_decoder_select="aac_decoder aac_latm_parser"
2615 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
2616 ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"
2617 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
2618 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
2619 adpcm_g722_decoder_select="g722dsp"
2620 adpcm_g722_encoder_select="g722dsp"
2621 aic_decoder_select="golomb idctdsp"
2622 alac_encoder_select="lpc"
2623 als_decoder_select="bswapdsp"
2624 amrnb_decoder_select="lsp"
2625 amrwb_decoder_select="lsp"
2626 amv_decoder_select="sp5x_decoder exif"
2627 amv_encoder_select="jpegtables mpegvideoenc"
2628 ape_decoder_select="bswapdsp llauddsp"
2629 apng_decoder_deps="zlib"
2630 apng_encoder_deps="zlib"
2631 apng_encoder_select="llvidencdsp"
2632 aptx_decoder_select="audio_frame_queue"
2633 aptx_encoder_select="audio_frame_queue"
2634 aptx_hd_decoder_select="audio_frame_queue"
2635 aptx_hd_encoder_select="audio_frame_queue"
2636 asv1_decoder_select="blockdsp bswapdsp idctdsp"
2637 asv1_encoder_select="aandcttables bswapdsp fdctdsp pixblockdsp"
2638 asv2_decoder_select="blockdsp bswapdsp idctdsp"
2639 asv2_encoder_select="aandcttables bswapdsp fdctdsp pixblockdsp"
2640 atrac1_decoder_select="mdct sinewin"
2641 atrac3_decoder_select="mdct"
2642 atrac3p_decoder_select="mdct sinewin"
2643 atrac9_decoder_select="mdct"
2644 avrn_decoder_select="exif jpegtables"
2645 bink_decoder_select="blockdsp hpeldsp"
2646 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
2647 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
2648 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
2649 clearvideo_decoder_select="idctdsp"
2650 cllc_decoder_select="bswapdsp"
2651 comfortnoise_encoder_select="lpc"
2652 cook_decoder_select="audiodsp mdct sinewin"
2653 cscd_decoder_select="lzo"
2654 cscd_decoder_suggest="zlib"
2655 dca_decoder_select="mdct"
2656 dds_decoder_select="texturedsp"
2657 dirac_decoder_select="dirac_parse dwt golomb videodsp mpegvideoenc"
2658 dnxhd_decoder_select="blockdsp idctdsp"
2659 dnxhd_encoder_select="blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
2660 dolby_e_decoder_select="mdct"
2661 dvvideo_decoder_select="dvprofile idctdsp"
2662 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
2663 dxa_decoder_deps="zlib"
2664 dxv_decoder_select="lzf texturedsp"
2665 eac3_decoder_select="ac3_decoder"
2666 eac3_encoder_select="ac3_encoder"
2667 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
2668 eatgq_decoder_select="aandcttables"
2669 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp"
2670 exr_decoder_deps="zlib"
2671 ffv1_decoder_select="rangecoder"
2672 ffv1_encoder_select="rangecoder"
2673 ffvhuff_decoder_select="huffyuv_decoder"
2674 ffvhuff_encoder_select="huffyuv_encoder"
2675 fic_decoder_select="golomb"
2676 flac_decoder_select="flacdsp"
2677 flac_encoder_select="bswapdsp flacdsp lpc"
2678 flashsv2_decoder_deps="zlib"
2679 flashsv2_encoder_deps="zlib"
2680 flashsv_decoder_deps="zlib"
2681 flashsv_encoder_deps="zlib"
2682 flv_decoder_select="h263_decoder"
2683 flv_encoder_select="h263_encoder"
2684 fourxm_decoder_select="blockdsp bswapdsp"
2685 fraps_decoder_select="bswapdsp huffman"
2686 g2m_decoder_deps="zlib"
2687 g2m_decoder_select="blockdsp idctdsp jpegtables"
2688 g729_decoder_select="audiodsp"
2689 h261_decoder_select="mpegvideo"
2690 h261_encoder_select="mpegvideoenc"
2691 h263_decoder_select="h263_parser h263dsp mpegvideo qpeldsp"
2692 h263_encoder_select="h263dsp mpegvideoenc"
2693 h263i_decoder_select="h263_decoder"
2694 h263p_decoder_select="h263_decoder"
2695 h263p_encoder_select="h263_encoder"
2696 h264_decoder_select="cabac golomb h264chroma h264dsp h264parse h264pred h264qpel videodsp"
2697 h264_decoder_suggest="error_resilience"
2698 hap_decoder_select="snappy texturedsp"
2699 hap_encoder_deps="libsnappy"
2700 hap_encoder_select="texturedspenc"
2701 hevc_decoder_select="bswapdsp cabac golomb hevcparse videodsp"
2702 huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"
2703 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llvidencdsp"
2704 hymt_decoder_select="huffyuv_decoder"
2705 iac_decoder_select="imc_decoder"
2706 imc_decoder_select="bswapdsp fft mdct sinewin"
2707 indeo3_decoder_select="hpeldsp"
2708 indeo4_decoder_select="ividsp"
2709 indeo5_decoder_select="ividsp"
2710 interplay_video_decoder_select="hpeldsp"
2711 jpegls_decoder_select="mjpeg_decoder"
2712 jv_decoder_select="blockdsp"
2713 lagarith_decoder_select="llviddsp"
2714 ljpeg_encoder_select="idctdsp jpegtables mpegvideoenc"
2715 magicyuv_decoder_select="llviddsp"
2716 magicyuv_encoder_select="llvidencdsp"
2717 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2718 metasound_decoder_select="lsp mdct sinewin"
2719 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2720 mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"
2721 mjpeg_encoder_select="jpegtables mpegvideoenc"
2722 mjpegb_decoder_select="mjpeg_decoder"
2723 mlp_decoder_select="mlp_parser"
2724 mlp_encoder_select="lpc audio_frame_queue"
2725 motionpixels_decoder_select="bswapdsp"
2726 mp1_decoder_select="mpegaudio"
2727 mp1float_decoder_select="mpegaudio"
2728 mp2_decoder_select="mpegaudio"
2729 mp2float_decoder_select="mpegaudio"
2730 mp3_decoder_select="mpegaudio"
2731 mp3adu_decoder_select="mpegaudio"
2732 mp3adufloat_decoder_select="mpegaudio"
2733 mp3float_decoder_select="mpegaudio"
2734 mp3on4_decoder_select="mpegaudio"
2735 mp3on4float_decoder_select="mpegaudio"
2736 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2737 mpc8_decoder_select="mpegaudiodsp"
2738 mpegvideo_decoder_select="mpegvideo"
2739 mpeg1video_decoder_select="mpegvideo"
2740 mpeg1video_encoder_select="mpegvideoenc h263dsp"
2741 mpeg2video_decoder_select="mpegvideo"
2742 mpeg2video_encoder_select="mpegvideoenc h263dsp"
2743 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2744 mpeg4_encoder_select="h263_encoder"
2745 msa1_decoder_select="mss34dsp"
2746 mscc_decoder_deps="zlib"
2747 msmpeg4v1_decoder_select="h263_decoder"
2748 msmpeg4v2_decoder_select="h263_decoder"
2749 msmpeg4v2_encoder_select="h263_encoder"
2750 msmpeg4v3_decoder_select="h263_decoder"
2751 msmpeg4v3_encoder_select="h263_encoder"
2752 mss2_decoder_select="mpegvideo qpeldsp vc1_decoder"
2753 mts2_decoder_select="mss34dsp"
2754 mwsc_decoder_deps="zlib"
2755 mxpeg_decoder_select="mjpeg_decoder"
2756 nellymoser_decoder_select="mdct sinewin"
2757 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2758 nuv_decoder_select="idctdsp lzo"
2759 on2avc_decoder_select="mdct"
2760 opus_decoder_deps="swresample"
2761 opus_decoder_select="mdct15"
2762 opus_encoder_select="audio_frame_queue mdct15"
2763 png_decoder_deps="zlib"
2764 png_encoder_deps="zlib"
2765 png_encoder_select="llvidencdsp"
2766 prores_decoder_select="blockdsp idctdsp"
2767 prores_encoder_select="fdctdsp"
2768 qcelp_decoder_select="lsp"
2769 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2770 ra_144_decoder_select="audiodsp"
2771 ra_144_encoder_select="audio_frame_queue lpc audiodsp"
2772 ralf_decoder_select="golomb"
2773 rasc_decoder_deps="zlib"
2774 rawvideo_decoder_select="bswapdsp"
2775 rscc_decoder_deps="zlib"
2776 rtjpeg_decoder_select="me_cmp"
2777 rv10_decoder_select="h263_decoder"
2778 rv10_encoder_select="h263_encoder"
2779 rv20_decoder_select="h263_decoder"
2780 rv20_encoder_select="h263_encoder"
2781 rv30_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2782 rv40_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2783 screenpresso_decoder_deps="zlib"
2784 shorten_decoder_select="bswapdsp"
2785 sipr_decoder_select="lsp"
2786 snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"
2787 snow_encoder_select="dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"
2788 sonic_decoder_select="golomb rangecoder"
2789 sonic_encoder_select="golomb rangecoder"
2790 sonic_ls_encoder_select="golomb rangecoder"
2791 sp5x_decoder_select="mjpeg_decoder"
2792 speedhq_decoder_select="mpegvideo"
2793 srgc_decoder_deps="zlib"
2794 svq1_decoder_select="hpeldsp"
2795 svq1_encoder_select="hpeldsp me_cmp mpegvideoenc"
2796 svq3_decoder_select="golomb h264dsp h264parse h264pred hpeldsp tpeldsp videodsp"
2797 svq3_decoder_suggest="zlib"
2798 tak_decoder_select="audiodsp"
2799 tdsc_decoder_deps="zlib"
2800 tdsc_decoder_select="mjpeg_decoder"
2801 theora_decoder_select="vp3_decoder"
2802 thp_decoder_select="mjpeg_decoder"
2803 tiff_decoder_suggest="zlib lzma"
2804 tiff_encoder_suggest="zlib"
2805 truehd_decoder_select="mlp_parser"
2806 truehd_encoder_select="lpc audio_frame_queue"
2807 truemotion2_decoder_select="bswapdsp"
2808 truespeech_decoder_select="bswapdsp"
2809 tscc_decoder_deps="zlib"
2810 twinvq_decoder_select="mdct lsp sinewin"
2811 txd_decoder_select="texturedsp"
2812 utvideo_decoder_select="bswapdsp llviddsp"
2813 utvideo_encoder_select="bswapdsp huffman llvidencdsp"
2814 vble_decoder_select="llviddsp"
2815 vc1_decoder_select="blockdsp h263_decoder h264qpel intrax8 mpegvideo vc1dsp"
2816 vc1image_decoder_select="vc1_decoder"
2817 vorbis_decoder_select="mdct"
2818 vorbis_encoder_select="audio_frame_queue mdct"
2819 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2820 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"
2821 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"
2822 vp6a_decoder_select="vp6_decoder"
2823 vp6f_decoder_select="vp6_decoder"
2824 vp7_decoder_select="h264pred videodsp vp8dsp"
2825 vp8_decoder_select="h264pred videodsp vp8dsp"
2826 vp9_decoder_select="videodsp vp9_parser vp9_superframe_split_bsf"
2827 wcmv_decoder_deps="zlib"
2828 webp_decoder_select="vp8_decoder exif"
2829 wmalossless_decoder_select="llauddsp"
2830 wmapro_decoder_select="mdct sinewin wma_freqs"
2831 wmav1_decoder_select="mdct sinewin wma_freqs"
2832 wmav1_encoder_select="mdct sinewin wma_freqs"
2833 wmav2_decoder_select="mdct sinewin wma_freqs"
2834 wmav2_encoder_select="mdct sinewin wma_freqs"
2835 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2836 wmv1_decoder_select="h263_decoder"
2837 wmv1_encoder_select="h263_encoder"
2838 wmv2_decoder_select="blockdsp error_resilience h263_decoder idctdsp intrax8 videodsp wmv2dsp"
2839 wmv2_encoder_select="h263_encoder wmv2dsp"
2840 wmv3_decoder_select="vc1_decoder"
2841 wmv3image_decoder_select="wmv3_decoder"
2842 xma1_decoder_select="wmapro_decoder"
2843 xma2_decoder_select="wmapro_decoder"
2844 zerocodec_decoder_deps="zlib"
2845 zlib_decoder_deps="zlib"
2846 zlib_encoder_deps="zlib"
2847 zmbv_decoder_deps="zlib"
2848 zmbv_encoder_deps="zlib"
2850 # hardware accelerators
2851 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
2852 cuda_deps="ffnvcodec"
2853 cuvid_deps="ffnvcodec"
2854 d3d11va_deps="dxva_h ID3D11VideoDecoder ID3D11VideoContext"
2855 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode ole32 user32"
2856 ffnvcodec_deps_any="libdl LoadLibrary"
2857 nvdec_deps="ffnvcodec"
2858 vaapi_x11_deps="xlib"
2859 videotoolbox_hwaccel_deps="videotoolbox pthreads"
2860 videotoolbox_hwaccel_extralibs="-framework QuartzCore"
2861 xvmc_deps="X11_extensions_XvMClib_h"
2863 h263_vaapi_hwaccel_deps="vaapi"
2864 h263_vaapi_hwaccel_select="h263_decoder"
2865 h263_videotoolbox_hwaccel_deps="videotoolbox"
2866 h263_videotoolbox_hwaccel_select="h263_decoder"
2867 h264_d3d11va_hwaccel_deps="d3d11va"
2868 h264_d3d11va_hwaccel_select="h264_decoder"
2869 h264_d3d11va2_hwaccel_deps="d3d11va"
2870 h264_d3d11va2_hwaccel_select="h264_decoder"
2871 h264_dxva2_hwaccel_deps="dxva2"
2872 h264_dxva2_hwaccel_select="h264_decoder"
2873 h264_nvdec_hwaccel_deps="nvdec"
2874 h264_nvdec_hwaccel_select="h264_decoder"
2875 h264_vaapi_hwaccel_deps="vaapi"
2876 h264_vaapi_hwaccel_select="h264_decoder"
2877 h264_vdpau_hwaccel_deps="vdpau"
2878 h264_vdpau_hwaccel_select="h264_decoder"
2879 h264_videotoolbox_hwaccel_deps="videotoolbox"
2880 h264_videotoolbox_hwaccel_select="h264_decoder"
2881 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2882 hevc_d3d11va_hwaccel_select="hevc_decoder"
2883 hevc_d3d11va2_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2884 hevc_d3d11va2_hwaccel_select="hevc_decoder"
2885 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2886 hevc_dxva2_hwaccel_select="hevc_decoder"
2887 hevc_nvdec_hwaccel_deps="nvdec"
2888 hevc_nvdec_hwaccel_select="hevc_decoder"
2889 hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC"
2890 hevc_vaapi_hwaccel_select="hevc_decoder"
2891 hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"
2892 hevc_vdpau_hwaccel_select="hevc_decoder"
2893 hevc_videotoolbox_hwaccel_deps="videotoolbox"
2894 hevc_videotoolbox_hwaccel_select="hevc_decoder"
2895 mjpeg_nvdec_hwaccel_deps="nvdec"
2896 mjpeg_nvdec_hwaccel_select="mjpeg_decoder"
2897 mjpeg_vaapi_hwaccel_deps="vaapi"
2898 mjpeg_vaapi_hwaccel_select="mjpeg_decoder"
2899 mpeg_xvmc_hwaccel_deps="xvmc"
2900 mpeg_xvmc_hwaccel_select="mpeg2video_decoder"
2901 mpeg1_nvdec_hwaccel_deps="nvdec"
2902 mpeg1_nvdec_hwaccel_select="mpeg1video_decoder"
2903 mpeg1_vdpau_hwaccel_deps="vdpau"
2904 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2905 mpeg1_videotoolbox_hwaccel_deps="videotoolbox"
2906 mpeg1_videotoolbox_hwaccel_select="mpeg1video_decoder"
2907 mpeg1_xvmc_hwaccel_deps="xvmc"
2908 mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"
2909 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2910 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2911 mpeg2_d3d11va2_hwaccel_deps="d3d11va"
2912 mpeg2_d3d11va2_hwaccel_select="mpeg2video_decoder"
2913 mpeg2_dxva2_hwaccel_deps="dxva2"
2914 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2915 mpeg2_nvdec_hwaccel_deps="nvdec"
2916 mpeg2_nvdec_hwaccel_select="mpeg2video_decoder"
2917 mpeg2_vaapi_hwaccel_deps="vaapi"
2918 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2919 mpeg2_vdpau_hwaccel_deps="vdpau"
2920 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2921 mpeg2_videotoolbox_hwaccel_deps="videotoolbox"
2922 mpeg2_videotoolbox_hwaccel_select="mpeg2video_decoder"
2923 mpeg2_xvmc_hwaccel_deps="xvmc"
2924 mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"
2925 mpeg4_nvdec_hwaccel_deps="nvdec"
2926 mpeg4_nvdec_hwaccel_select="mpeg4_decoder"
2927 mpeg4_vaapi_hwaccel_deps="vaapi"
2928 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2929 mpeg4_vdpau_hwaccel_deps="vdpau"
2930 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2931 mpeg4_videotoolbox_hwaccel_deps="videotoolbox"
2932 mpeg4_videotoolbox_hwaccel_select="mpeg4_decoder"
2933 vc1_d3d11va_hwaccel_deps="d3d11va"
2934 vc1_d3d11va_hwaccel_select="vc1_decoder"
2935 vc1_d3d11va2_hwaccel_deps="d3d11va"
2936 vc1_d3d11va2_hwaccel_select="vc1_decoder"
2937 vc1_dxva2_hwaccel_deps="dxva2"
2938 vc1_dxva2_hwaccel_select="vc1_decoder"
2939 vc1_nvdec_hwaccel_deps="nvdec"
2940 vc1_nvdec_hwaccel_select="vc1_decoder"
2941 vc1_vaapi_hwaccel_deps="vaapi"
2942 vc1_vaapi_hwaccel_select="vc1_decoder"
2943 vc1_vdpau_hwaccel_deps="vdpau"
2944 vc1_vdpau_hwaccel_select="vc1_decoder"
2945 vp8_nvdec_hwaccel_deps="nvdec"
2946 vp8_nvdec_hwaccel_select="vp8_decoder"
2947 vp8_vaapi_hwaccel_deps="vaapi"
2948 vp8_vaapi_hwaccel_select="vp8_decoder"
2949 vp9_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_VP9"
2950 vp9_d3d11va_hwaccel_select="vp9_decoder"
2951 vp9_d3d11va2_hwaccel_deps="d3d11va DXVA_PicParams_VP9"
2952 vp9_d3d11va2_hwaccel_select="vp9_decoder"
2953 vp9_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_VP9"
2954 vp9_dxva2_hwaccel_select="vp9_decoder"
2955 vp9_nvdec_hwaccel_deps="nvdec"
2956 vp9_nvdec_hwaccel_select="vp9_decoder"
2957 vp9_vaapi_hwaccel_deps="vaapi VADecPictureParameterBufferVP9_bit_depth"
2958 vp9_vaapi_hwaccel_select="vp9_decoder"
2959 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2960 wmv3_d3d11va2_hwaccel_select="vc1_d3d11va2_hwaccel"
2961 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2962 wmv3_nvdec_hwaccel_select="vc1_nvdec_hwaccel"
2963 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2964 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2966 # hardware-accelerated codecs
2967 omx_deps="libdl pthreads"
2968 omx_rpi_select="omx"
2973 vaapi_encode_deps="vaapi"
2974 v4l2_m2m_deps="linux_videodev2_h sem_timedwait"
2976 hwupload_cuda_filter_deps="ffnvcodec"
2977 scale_npp_filter_deps="ffnvcodec libnpp"
2978 scale_cuda_filter_deps="ffnvcodec cuda_nvcc"
2979 thumbnail_cuda_filter_deps="ffnvcodec cuda_nvcc"
2980 transpose_npp_filter_deps="ffnvcodec libnpp"
2982 amf_deps_any="libdl LoadLibrary"
2983 nvenc_deps="ffnvcodec"
2984 nvenc_deps_any="libdl LoadLibrary"
2985 nvenc_encoder_deps="nvenc"
2987 h263_v4l2m2m_decoder_deps="v4l2_m2m h263_v4l2_m2m"
2988 h263_v4l2m2m_encoder_deps="v4l2_m2m h263_v4l2_m2m"
2989 h264_amf_encoder_deps="amf"
2990 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
2991 h264_cuvid_decoder_deps="cuvid"
2992 h264_cuvid_decoder_select="h264_mp4toannexb_bsf"
2993 h264_mediacodec_decoder_deps="mediacodec"
2994 h264_mediacodec_decoder_select="h264_mp4toannexb_bsf h264_parser"
2995 h264_mmal_decoder_deps="mmal"
2996 h264_nvenc_encoder_deps="nvenc"
2997 h264_omx_encoder_deps="omx"
2998 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec"
2999 h264_qsv_encoder_select="qsvenc"
3000 h264_rkmpp_decoder_deps="rkmpp"
3001 h264_rkmpp_decoder_select="h264_mp4toannexb_bsf"
3002 h264_vaapi_encoder_select="cbs_h264 vaapi_encode"
3003 h264_v4l2m2m_decoder_deps="v4l2_m2m h264_v4l2_m2m"
3004 h264_v4l2m2m_decoder_select="h264_mp4toannexb_bsf"
3005 h264_v4l2m2m_encoder_deps="v4l2_m2m h264_v4l2_m2m"
3006 hevc_amf_encoder_deps="amf"
3007 hevc_cuvid_decoder_deps="cuvid"
3008 hevc_cuvid_decoder_select="hevc_mp4toannexb_bsf"
3009 hevc_mediacodec_decoder_deps="mediacodec"
3010 hevc_mediacodec_decoder_select="hevc_mp4toannexb_bsf hevc_parser"
3011 hevc_nvenc_encoder_deps="nvenc"
3012 hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec"
3013 hevc_qsv_encoder_select="hevcparse qsvenc"
3014 hevc_rkmpp_decoder_deps="rkmpp"
3015 hevc_rkmpp_decoder_select="hevc_mp4toannexb_bsf"
3016 hevc_vaapi_encoder_deps="VAEncPictureParameterBufferHEVC"
3017 hevc_vaapi_encoder_select="cbs_h265 vaapi_encode"
3018 hevc_v4l2m2m_decoder_deps="v4l2_m2m hevc_v4l2_m2m"
3019 hevc_v4l2m2m_decoder_select="hevc_mp4toannexb_bsf"
3020 hevc_v4l2m2m_encoder_deps="v4l2_m2m hevc_v4l2_m2m"
3021 mjpeg_cuvid_decoder_deps="cuvid"
3022 mjpeg_qsv_encoder_deps="libmfx"
3023 mjpeg_qsv_encoder_select="qsvenc"
3024 mjpeg_vaapi_encoder_deps="VAEncPictureParameterBufferJPEG"
3025 mjpeg_vaapi_encoder_select="cbs_jpeg jpegtables vaapi_encode"
3026 mpeg1_cuvid_decoder_deps="cuvid"
3027 mpeg1_v4l2m2m_decoder_deps="v4l2_m2m mpeg1_v4l2_m2m"
3028 mpeg2_crystalhd_decoder_select="crystalhd"
3029 mpeg2_cuvid_decoder_deps="cuvid"
3030 mpeg2_mmal_decoder_deps="mmal"
3031 mpeg2_mediacodec_decoder_deps="mediacodec"
3032 mpeg2_qsv_decoder_select="qsvdec mpegvideo_parser"
3033 mpeg2_qsv_encoder_select="qsvenc"
3034 mpeg2_vaapi_encoder_select="cbs_mpeg2 vaapi_encode"
3035 mpeg2_v4l2m2m_decoder_deps="v4l2_m2m mpeg2_v4l2_m2m"
3036 mpeg4_crystalhd_decoder_select="crystalhd"
3037 mpeg4_cuvid_decoder_deps="cuvid"
3038 mpeg4_mediacodec_decoder_deps="mediacodec"
3039 mpeg4_mmal_decoder_deps="mmal"
3040 mpeg4_omx_encoder_deps="omx"
3041 mpeg4_v4l2m2m_decoder_deps="v4l2_m2m mpeg4_v4l2_m2m"
3042 mpeg4_v4l2m2m_encoder_deps="v4l2_m2m mpeg4_v4l2_m2m"
3043 msmpeg4_crystalhd_decoder_select="crystalhd"
3044 nvenc_h264_encoder_select="h264_nvenc_encoder"
3045 nvenc_hevc_encoder_select="hevc_nvenc_encoder"
3046 vc1_crystalhd_decoder_select="crystalhd"
3047 vc1_cuvid_decoder_deps="cuvid"
3048 vc1_mmal_decoder_deps="mmal"
3049 vc1_qsv_decoder_select="qsvdec vc1_parser"
3050 vc1_v4l2m2m_decoder_deps="v4l2_m2m vc1_v4l2_m2m"
3051 vp8_cuvid_decoder_deps="cuvid"
3052 vp8_mediacodec_decoder_deps="mediacodec"
3053 vp8_qsv_decoder_select="qsvdec vp8_parser"
3054 vp8_rkmpp_decoder_deps="rkmpp"
3055 vp8_vaapi_encoder_deps="VAEncPictureParameterBufferVP8"
3056 vp8_vaapi_encoder_select="vaapi_encode"
3057 vp8_v4l2m2m_decoder_deps="v4l2_m2m vp8_v4l2_m2m"
3058 vp8_v4l2m2m_encoder_deps="v4l2_m2m vp8_v4l2_m2m"
3059 vp9_cuvid_decoder_deps="cuvid"
3060 vp9_mediacodec_decoder_deps="mediacodec"
3061 vp9_rkmpp_decoder_deps="rkmpp"
3062 vp9_vaapi_encoder_deps="VAEncPictureParameterBufferVP9"
3063 vp9_vaapi_encoder_select="vaapi_encode"
3064 vp9_v4l2m2m_decoder_deps="v4l2_m2m vp9_v4l2_m2m"
3065 wmv3_crystalhd_decoder_select="crystalhd"
3068 aac_parser_select="adts_header"
3069 av1_parser_select="cbs_av1"
3070 h264_parser_select="golomb h264dsp h264parse"
3071 hevc_parser_select="hevcparse"
3072 mpegaudio_parser_select="mpegaudioheader"
3073 mpegvideo_parser_select="mpegvideo"
3074 mpeg4video_parser_select="h263dsp mpegvideo qpeldsp"
3075 vc1_parser_select="vc1dsp"
3078 aac_adtstoasc_bsf_select="adts_header"
3079 av1_metadata_bsf_select="cbs_av1"
3080 eac3_core_bsf_select="ac3_parser"
3081 filter_units_bsf_select="cbs"
3082 h264_metadata_bsf_deps="const_nan"
3083 h264_metadata_bsf_select="cbs_h264"
3084 h264_redundant_pps_bsf_select="cbs_h264"
3085 hevc_metadata_bsf_select="cbs_h265"
3086 mjpeg2jpeg_bsf_select="jpegtables"
3087 mpeg2_metadata_bsf_select="cbs_mpeg2"
3088 trace_headers_bsf_select="cbs"
3089 truehd_core_bsf_select="mlp_parser"
3090 vp9_metadata_bsf_select="cbs_vp9"
3092 # external libraries
3093 aac_at_decoder_deps="audiotoolbox"
3094 aac_at_decoder_select="aac_adtstoasc_bsf"
3095 ac3_at_decoder_deps="audiotoolbox"
3096 ac3_at_decoder_select="ac3_parser"
3097 adpcm_ima_qt_at_decoder_deps="audiotoolbox"
3098 alac_at_decoder_deps="audiotoolbox"
3099 amr_nb_at_decoder_deps="audiotoolbox"
3100 avisynth_deps_any="libdl LoadLibrary"
3101 avisynth_demuxer_deps="avisynth"
3102 avisynth_demuxer_select="riffdec"
3103 eac3_at_decoder_deps="audiotoolbox"
3104 eac3_at_decoder_select="ac3_parser"
3105 gsm_ms_at_decoder_deps="audiotoolbox"
3106 ilbc_at_decoder_deps="audiotoolbox"
3107 mp1_at_decoder_deps="audiotoolbox"
3108 mp2_at_decoder_deps="audiotoolbox"
3109 mp3_at_decoder_deps="audiotoolbox"
3110 mp1_at_decoder_select="mpegaudioheader"
3111 mp2_at_decoder_select="mpegaudioheader"
3112 mp3_at_decoder_select="mpegaudioheader"
3113 pcm_alaw_at_decoder_deps="audiotoolbox"
3114 pcm_mulaw_at_decoder_deps="audiotoolbox"
3115 qdmc_at_decoder_deps="audiotoolbox"
3116 qdm2_at_decoder_deps="audiotoolbox"
3117 aac_at_encoder_deps="audiotoolbox"
3118 aac_at_encoder_select="audio_frame_queue"
3119 alac_at_encoder_deps="audiotoolbox"
3120 alac_at_encoder_select="audio_frame_queue"
3121 ilbc_at_encoder_deps="audiotoolbox"
3122 ilbc_at_encoder_select="audio_frame_queue"
3123 pcm_alaw_at_encoder_deps="audiotoolbox"
3124 pcm_alaw_at_encoder_select="audio_frame_queue"
3125 pcm_mulaw_at_encoder_deps="audiotoolbox"
3126 pcm_mulaw_at_encoder_select="audio_frame_queue"
3127 chromaprint_muxer_deps="chromaprint"
3128 h264_videotoolbox_encoder_deps="pthreads"
3129 h264_videotoolbox_encoder_select="videotoolbox_encoder"
3130 hevc_videotoolbox_encoder_deps="pthreads"
3131 hevc_videotoolbox_encoder_select="videotoolbox_encoder"
3132 libaom_av1_decoder_deps="libaom"
3133 libaom_av1_encoder_deps="libaom"
3134 libaom_av1_encoder_select="extract_extradata_bsf"
3135 libaribb24_decoder_deps="libaribb24"
3136 libcelt_decoder_deps="libcelt"
3137 libcodec2_decoder_deps="libcodec2"
3138 libcodec2_encoder_deps="libcodec2"
3139 libdav1d_decoder_deps="libdav1d"
3140 libdavs2_decoder_deps="libdavs2"
3141 libfdk_aac_decoder_deps="libfdk_aac"
3142 libfdk_aac_encoder_deps="libfdk_aac"
3143 libfdk_aac_encoder_select="audio_frame_queue"
3144 libgme_demuxer_deps="libgme"
3145 libgsm_decoder_deps="libgsm"
3146 libgsm_encoder_deps="libgsm"
3147 libgsm_ms_decoder_deps="libgsm"
3148 libgsm_ms_encoder_deps="libgsm"
3149 libilbc_decoder_deps="libilbc"
3150 libilbc_encoder_deps="libilbc"
3151 libkvazaar_encoder_deps="libkvazaar"
3152 libmodplug_demuxer_deps="libmodplug"
3153 libmp3lame_encoder_deps="libmp3lame"
3154 libmp3lame_encoder_select="audio_frame_queue mpegaudioheader"
3155 libopencore_amrnb_decoder_deps="libopencore_amrnb"
3156 libopencore_amrnb_encoder_deps="libopencore_amrnb"
3157 libopencore_amrnb_encoder_select="audio_frame_queue"
3158 libopencore_amrwb_decoder_deps="libopencore_amrwb"
3159 libopenh264_decoder_deps="libopenh264"
3160 libopenh264_decoder_select="h264_mp4toannexb_bsf"
3161 libopenh264_encoder_deps="libopenh264"
3162 libopenjpeg_decoder_deps="libopenjpeg"
3163 libopenjpeg_encoder_deps="libopenjpeg"
3164 libopenmpt_demuxer_deps="libopenmpt"
3165 libopus_decoder_deps="libopus"
3166 libopus_encoder_deps="libopus"
3167 libopus_encoder_select="audio_frame_queue"
3168 librsvg_decoder_deps="librsvg"
3169 libshine_encoder_deps="libshine"
3170 libshine_encoder_select="audio_frame_queue"
3171 libspeex_decoder_deps="libspeex"
3172 libspeex_encoder_deps="libspeex"
3173 libspeex_encoder_select="audio_frame_queue"
3174 libtheora_encoder_deps="libtheora"
3175 libtwolame_encoder_deps="libtwolame"
3176 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
3177 libvorbis_decoder_deps="libvorbis"
3178 libvorbis_encoder_deps="libvorbis libvorbisenc"
3179 libvorbis_encoder_select="audio_frame_queue"
3180 libvpx_vp8_decoder_deps="libvpx"
3181 libvpx_vp8_encoder_deps="libvpx"
3182 libvpx_vp9_decoder_deps="libvpx"
3183 libvpx_vp9_encoder_deps="libvpx"
3184 libwavpack_encoder_deps="libwavpack"
3185 libwavpack_encoder_select="audio_frame_queue"
3186 libwebp_encoder_deps="libwebp"
3187 libwebp_anim_encoder_deps="libwebp"
3188 libx262_encoder_deps="libx262"
3189 libx264_encoder_deps="libx264"
3190 libx264rgb_encoder_deps="libx264 x264_csp_bgr"
3191 libx264rgb_encoder_select="libx264_encoder"
3192 libx265_encoder_deps="libx265"
3193 libxavs_encoder_deps="libxavs"
3194 libxavs2_encoder_deps="libxavs2"
3195 libxvid_encoder_deps="libxvid"
3196 libzvbi_teletext_decoder_deps="libzvbi"
3197 vapoursynth_demuxer_deps="vapoursynth"
3198 videotoolbox_suggest="coreservices"
3199 videotoolbox_deps="corefoundation coremedia corevideo"
3200 videotoolbox_encoder_deps="videotoolbox VTCompressionSessionPrepareToEncodeFrames"
3203 ac3_demuxer_select="ac3_parser"
3204 aiff_muxer_select="iso_media"
3205 asf_demuxer_select="riffdec"
3206 asf_o_demuxer_select="riffdec"
3207 asf_muxer_select="riffenc"
3208 asf_stream_muxer_select="asf_muxer"
3209 avi_demuxer_select="iso_media riffdec exif"
3210 avi_muxer_select="riffenc"
3211 caf_demuxer_select="iso_media riffdec"
3212 caf_muxer_select="iso_media"
3213 dash_muxer_select="mp4_muxer"
3214 dash_demuxer_deps="libxml2"
3215 dirac_demuxer_select="dirac_parser"
3216 dts_demuxer_select="dca_parser"
3217 dtshd_demuxer_select="dca_parser"
3218 dv_demuxer_select="dvprofile"
3219 dv_muxer_select="dvprofile"
3220 dxa_demuxer_select="riffdec"
3221 eac3_demuxer_select="ac3_parser"
3222 f4v_muxer_select="mov_muxer"
3223 fifo_muxer_deps="threads"
3224 flac_demuxer_select="flac_parser"
3225 hds_muxer_select="flv_muxer"
3226 hls_muxer_select="mpegts_muxer"
3227 hls_muxer_suggest="gcrypt openssl"
3228 image2_alias_pix_demuxer_select="image2_demuxer"
3229 image2_brender_pix_demuxer_select="image2_demuxer"
3230 ipod_muxer_select="mov_muxer"
3231 ismv_muxer_select="mov_muxer"
3232 ivf_muxer_select="av1_metadata_bsf vp9_superframe_bsf"
3233 matroska_audio_muxer_select="matroska_muxer"
3234 matroska_demuxer_select="iso_media riffdec"
3235 matroska_demuxer_suggest="bzlib lzo zlib"
3236 matroska_muxer_select="iso_media riffenc"
3237 mmf_muxer_select="riffenc"
3238 mov_demuxer_select="iso_media riffdec"
3239 mov_demuxer_suggest="zlib"
3240 mov_muxer_select="iso_media riffenc rtpenc_chain"
3241 mp3_demuxer_select="mpegaudio_parser"
3242 mp3_muxer_select="mpegaudioheader"
3243 mp4_muxer_select="mov_muxer"
3244 mpegts_demuxer_select="iso_media"
3245 mpegts_muxer_select="adts_muxer latm_muxer"
3246 mpegtsraw_demuxer_select="mpegts_demuxer"
3247 mxf_d10_muxer_select="mxf_muxer"
3248 mxf_opatom_muxer_select="mxf_muxer"
3249 nut_muxer_select="riffenc"
3250 nuv_demuxer_select="riffdec"
3251 oga_muxer_select="ogg_muxer"
3252 ogg_demuxer_select="dirac_parse"
3253 ogv_muxer_select="ogg_muxer"
3254 opus_muxer_select="ogg_muxer"
3255 psp_muxer_select="mov_muxer"
3256 rtp_demuxer_select="sdp_demuxer"
3257 rtp_muxer_select="golomb"
3258 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol srtp"
3259 rtsp_demuxer_select="http_protocol rtpdec"
3260 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
3261 sap_demuxer_select="sdp_demuxer"
3262 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
3263 sdp_demuxer_select="rtpdec"
3264 smoothstreaming_muxer_select="ismv_muxer"
3265 spdif_demuxer_select="adts_header"
3266 spdif_muxer_select="adts_header"
3267 spx_muxer_select="ogg_muxer"
3268 swf_demuxer_suggest="zlib"
3269 tak_demuxer_select="tak_parser"
3270 tg2_muxer_select="mov_muxer"
3271 tgp_muxer_select="mov_muxer"
3272 vobsub_demuxer_select="mpegps_demuxer"
3273 w64_demuxer_select="wav_demuxer"
3274 w64_muxer_select="wav_muxer"
3275 wav_demuxer_select="riffdec"
3276 wav_muxer_select="riffenc"
3277 webm_muxer_select="iso_media riffenc"
3278 webm_dash_manifest_demuxer_select="matroska_demuxer"
3279 wtv_demuxer_select="mpegts_demuxer riffdec"
3280 wtv_muxer_select="mpegts_muxer riffenc"
3281 xmv_demuxer_select="riffdec"
3282 xwma_demuxer_select="riffdec"
3285 android_camera_indev_deps="android camera2ndk mediandk pthreads"
3286 android_camera_indev_extralibs="-landroid -lcamera2ndk -lmediandk"
3287 alsa_indev_deps="alsa"
3288 alsa_outdev_deps="alsa"
3289 avfoundation_indev_deps="avfoundation corevideo coremedia pthreads"
3290 avfoundation_indev_suggest="coregraphics applicationservices"
3291 avfoundation_indev_extralibs="-framework Foundation"
3292 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
3293 caca_outdev_deps="libcaca"
3294 decklink_deps_any="libdl LoadLibrary"
3295 decklink_indev_deps="decklink threads"
3296 decklink_indev_extralibs="-lstdc++"
3297 decklink_outdev_deps="decklink threads"
3298 decklink_outdev_suggest="libklvanc"
3299 decklink_outdev_extralibs="-lstdc++"
3300 dshow_indev_deps="IBaseFilter"
3301 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"
3302 fbdev_indev_deps="linux_fb_h"
3303 fbdev_outdev_deps="linux_fb_h"
3304 gdigrab_indev_deps="CreateDIBSection"
3305 gdigrab_indev_extralibs="-lgdi32"
3306 gdigrab_indev_select="bmp_decoder"
3307 iec61883_indev_deps="libiec61883"
3308 jack_indev_deps="libjack"
3309 jack_indev_deps_any="sem_timedwait dispatch_dispatch_h"
3310 kmsgrab_indev_deps="libdrm"
3311 lavfi_indev_deps="avfilter"
3312 libcdio_indev_deps="libcdio"
3313 libdc1394_indev_deps="libdc1394"
3314 openal_indev_deps="openal"
3315 opengl_outdev_deps="opengl"
3316 opengl_outdev_suggest="sdl2"
3317 oss_indev_deps_any="sys_soundcard_h"
3318 oss_outdev_deps_any="sys_soundcard_h"
3319 pulse_indev_deps="libpulse"
3320 pulse_outdev_deps="libpulse"
3321 sdl2_outdev_deps="sdl2"
3322 sndio_indev_deps="sndio"
3323 sndio_outdev_deps="sndio"
3324 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
3325 v4l2_indev_suggest="libv4l2"
3326 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
3327 v4l2_outdev_suggest="libv4l2"
3328 vfwcap_indev_deps="vfw32 vfwcap_defines"
3329 xcbgrab_indev_deps="libxcb"
3330 xcbgrab_indev_suggest="libxcb_shm libxcb_shape libxcb_xfixes"
3331 xv_outdev_deps="xlib"
3334 async_protocol_deps="threads"
3335 bluray_protocol_deps="libbluray"
3336 ffrtmpcrypt_protocol_conflict="librtmp_protocol"
3337 ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl mbedtls"
3338 ffrtmpcrypt_protocol_select="tcp_protocol"
3339 ffrtmphttp_protocol_conflict="librtmp_protocol"
3340 ffrtmphttp_protocol_select="http_protocol"
3341 ftp_protocol_select="tcp_protocol"
3342 gopher_protocol_select="network"
3343 http_protocol_select="tcp_protocol"
3344 http_protocol_suggest="zlib"
3345 httpproxy_protocol_select="tcp_protocol"
3346 httpproxy_protocol_suggest="zlib"
3347 https_protocol_select="tls_protocol"
3348 https_protocol_suggest="zlib"
3349 icecast_protocol_select="http_protocol"
3350 mmsh_protocol_select="http_protocol"
3351 mmst_protocol_select="network"
3352 rtmp_protocol_conflict="librtmp_protocol"
3353 rtmp_protocol_select="tcp_protocol"
3354 rtmp_protocol_suggest="zlib"
3355 rtmpe_protocol_select="ffrtmpcrypt_protocol"
3356 rtmpe_protocol_suggest="zlib"
3357 rtmps_protocol_conflict="librtmp_protocol"
3358 rtmps_protocol_select="tls_protocol"
3359 rtmps_protocol_suggest="zlib"
3360 rtmpt_protocol_select="ffrtmphttp_protocol"
3361 rtmpt_protocol_suggest="zlib"
3362 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
3363 rtmpte_protocol_suggest="zlib"
3364 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
3365 rtmpts_protocol_suggest="zlib"
3366 rtp_protocol_select="udp_protocol"
3367 schannel_conflict="openssl gnutls libtls mbedtls"
3368 sctp_protocol_deps="struct_sctp_event_subscribe struct_msghdr_msg_flags"
3369 sctp_protocol_select="network"
3370 securetransport_conflict="openssl gnutls libtls mbedtls"
3371 srtp_protocol_select="rtp_protocol srtp"
3372 tcp_protocol_select="network"
3373 tls_protocol_deps_any="gnutls openssl schannel securetransport libtls mbedtls"
3374 tls_protocol_select="tcp_protocol"
3375 udp_protocol_select="network"
3376 udplite_protocol_select="network"
3377 unix_protocol_deps="sys_un_h"
3378 unix_protocol_select="network"
3380 # external library protocols
3381 librtmp_protocol_deps="librtmp"
3382 librtmpe_protocol_deps="librtmp"
3383 librtmps_protocol_deps="librtmp"
3384 librtmpt_protocol_deps="librtmp"
3385 librtmpte_protocol_deps="librtmp"
3386 libsmbclient_protocol_deps="libsmbclient gplv3"
3387 libsrt_protocol_deps="libsrt"
3388 libsrt_protocol_select="network"
3389 libssh_protocol_deps="libssh"
3390 libtls_conflict="openssl gnutls mbedtls"
3393 afftdn_filter_deps="avcodec"
3394 afftdn_filter_select="fft"
3395 afftfilt_filter_deps="avcodec"
3396 afftfilt_filter_select="fft"
3397 afir_filter_deps="avcodec"
3398 afir_filter_select="fft"
3399 amovie_filter_deps="avcodec avformat"
3400 aresample_filter_deps="swresample"
3401 ass_filter_deps="libass"
3402 atempo_filter_deps="avcodec"
3403 atempo_filter_select="rdft"
3404 avgblur_opencl_filter_deps="opencl"
3405 azmq_filter_deps="libzmq"
3406 blackframe_filter_deps="gpl"
3407 bm3d_filter_deps="avcodec"
3408 bm3d_filter_select="dct"
3409 boxblur_filter_deps="gpl"
3410 boxblur_opencl_filter_deps="opencl gpl"
3411 bs2b_filter_deps="libbs2b"
3412 colormatrix_filter_deps="gpl"
3413 convolution_opencl_filter_deps="opencl"
3414 convolve_filter_deps="avcodec"
3415 convolve_filter_select="fft"
3416 coreimage_filter_deps="coreimage appkit"
3417 coreimage_filter_extralibs="-framework OpenGL"
3418 coreimagesrc_filter_deps="coreimage appkit"
3419 coreimagesrc_filter_extralibs="-framework OpenGL"
3420 cover_rect_filter_deps="avcodec avformat gpl"
3421 cropdetect_filter_deps="gpl"
3422 deconvolve_filter_deps="avcodec"
3423 deconvolve_filter_select="fft"
3424 deinterlace_qsv_filter_deps="libmfx"
3425 deinterlace_vaapi_filter_deps="vaapi"
3426 delogo_filter_deps="gpl"
3427 denoise_vaapi_filter_deps="vaapi"
3428 deshake_filter_select="pixelutils"
3429 dilation_opencl_filter_deps="opencl"
3430 drawtext_filter_deps="libfreetype"
3431 drawtext_filter_suggest="libfontconfig libfribidi"
3432 elbg_filter_deps="avcodec"
3433 eq_filter_deps="gpl"
3434 erosion_opencl_filter_deps="opencl"
3435 fftfilt_filter_deps="avcodec"
3436 fftfilt_filter_select="rdft"
3437 fftdnoiz_filter_deps="avcodec"
3438 fftdnoiz_filter_select="fft"
3439 find_rect_filter_deps="avcodec avformat gpl"
3440 firequalizer_filter_deps="avcodec"
3441 firequalizer_filter_select="rdft"
3442 flite_filter_deps="libflite"
3443 framerate_filter_select="scene_sad"
3444 freezedetect_filter_select="scene_sad"
3445 frei0r_filter_deps="frei0r libdl"
3446 frei0r_src_filter_deps="frei0r libdl"
3447 fspp_filter_deps="gpl"
3448 geq_filter_deps="gpl"
3449 histeq_filter_deps="gpl"
3450 hqdn3d_filter_deps="gpl"
3451 interlace_filter_deps="gpl"
3452 kerndeint_filter_deps="gpl"
3453 ladspa_filter_deps="ladspa libdl"
3454 lensfun_filter_deps="liblensfun version3"
3455 lv2_filter_deps="lv2"
3456 mcdeint_filter_deps="avcodec gpl"
3457 movie_filter_deps="avcodec avformat"
3458 mpdecimate_filter_deps="gpl"
3459 mpdecimate_filter_select="pixelutils"
3460 minterpolate_filter_select="scene_sad"
3461 mptestsrc_filter_deps="gpl"
3462 negate_filter_deps="lut_filter"
3463 nnedi_filter_deps="gpl"
3464 ocr_filter_deps="libtesseract"
3465 ocv_filter_deps="libopencv"
3466 openclsrc_filter_deps="opencl"
3467 overlay_opencl_filter_deps="opencl"
3468 overlay_qsv_filter_deps="libmfx"
3469 overlay_qsv_filter_select="qsvvpp"
3470 owdenoise_filter_deps="gpl"
3471 pan_filter_deps="swresample"
3472 perspective_filter_deps="gpl"
3473 phase_filter_deps="gpl"
3474 pp7_filter_deps="gpl"
3475 pp_filter_deps="gpl postproc"
3476 prewitt_opencl_filter_deps="opencl"
3477 procamp_vaapi_filter_deps="vaapi"
3478 program_opencl_filter_deps="opencl"
3479 pullup_filter_deps="gpl"
3480 removelogo_filter_deps="avcodec avformat swscale"
3481 repeatfields_filter_deps="gpl"
3482 resample_filter_deps="avresample"
3483 roberts_opencl_filter_deps="opencl"
3484 rubberband_filter_deps="librubberband"
3485 sab_filter_deps="gpl swscale"
3486 scale2ref_filter_deps="swscale"
3487 scale_filter_deps="swscale"
3488 scale_qsv_filter_deps="libmfx"
3489 select_filter_select="scene_sad"
3490 sharpness_vaapi_filter_deps="vaapi"
3491 showcqt_filter_deps="avcodec avformat swscale"
3492 showcqt_filter_suggest="libfontconfig libfreetype"
3493 showcqt_filter_select="fft"
3494 showfreqs_filter_deps="avcodec"
3495 showfreqs_filter_select="fft"
3496 showspectrum_filter_deps="avcodec"
3497 showspectrum_filter_select="fft"
3498 showspectrumpic_filter_deps="avcodec"
3499 showspectrumpic_filter_select="fft"
3500 signature_filter_deps="gpl avcodec avformat"
3501 smartblur_filter_deps="gpl swscale"
3502 sobel_opencl_filter_deps="opencl"
3503 sofalizer_filter_deps="libmysofa avcodec"
3504 sofalizer_filter_select="fft"
3505 spectrumsynth_filter_deps="avcodec"
3506 spectrumsynth_filter_select="fft"
3507 spp_filter_deps="gpl avcodec"
3508 spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"
3509 sr_filter_deps="avformat swscale"
3510 sr_filter_select="dnn"
3511 stereo3d_filter_deps="gpl"
3512 subtitles_filter_deps="avformat avcodec libass"
3513 super2xsai_filter_deps="gpl"
3514 pixfmts_super2xsai_test_deps="super2xsai_filter"
3515 tinterlace_filter_deps="gpl"
3516 tinterlace_merge_test_deps="tinterlace_filter"
3517 tinterlace_pad_test_deps="tinterlace_filter"
3518 tonemap_filter_deps="const_nan"
3519 tonemap_opencl_filter_deps="opencl const_nan"
3520 transpose_opencl_filter_deps="opencl"
3521 transpose_vaapi_filter_deps="vaapi VAProcPipelineCaps_rotation_flags"
3522 unsharp_opencl_filter_deps="opencl"
3523 uspp_filter_deps="gpl avcodec"
3524 vaguedenoiser_filter_deps="gpl"
3525 vidstabdetect_filter_deps="libvidstab"
3526 vidstabtransform_filter_deps="libvidstab"
3527 libvmaf_filter_deps="libvmaf pthreads"
3528 zmq_filter_deps="libzmq"
3529 zoompan_filter_deps="swscale"
3530 zscale_filter_deps="libzimg const_nan"
3531 scale_vaapi_filter_deps="vaapi"
3532 vpp_qsv_filter_deps="libmfx"
3533 vpp_qsv_filter_select="qsvvpp"
3534 yadif_cuda_filter_deps="ffnvcodec cuda_nvcc"
3537 avio_dir_cmd_deps="avformat avutil"
3538 avio_reading_deps="avformat avcodec avutil"
3539 decode_audio_example_deps="avcodec avutil"
3540 decode_video_example_deps="avcodec avutil"
3541 demuxing_decoding_example_deps="avcodec avformat avutil"
3542 encode_audio_example_deps="avcodec avutil"
3543 encode_video_example_deps="avcodec avutil"
3544 extract_mvs_example_deps="avcodec avformat avutil"
3545 filter_audio_example_deps="avfilter avutil"
3546 filtering_audio_example_deps="avfilter avcodec avformat avutil"
3547 filtering_video_example_deps="avfilter avcodec avformat avutil"
3548 http_multiclient_example_deps="avformat avutil fork"
3549 hw_decode_example_deps="avcodec avformat avutil"
3550 metadata_example_deps="avformat avutil"
3551 muxing_example_deps="avcodec avformat avutil swscale"
3552 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder"
3553 remuxing_example_deps="avcodec avformat avutil"
3554 resampling_audio_example_deps="avutil swresample"
3555 scaling_video_example_deps="avutil swscale"
3556 transcode_aac_example_deps="avcodec avformat swresample"
3557 transcoding_example_deps="avfilter avcodec avformat avutil"
3558 vaapi_encode_example_deps="avcodec avutil h264_vaapi_encoder"
3559 vaapi_transcode_example_deps="avcodec avformat avutil h264_vaapi_encoder"
3562 cpu_init_extralibs="pthreads_extralibs"
3563 cws2fws_extralibs="zlib_extralibs"
3565 # libraries, in any order
3566 avcodec_deps="avutil"
3567 avcodec_suggest="libm"
3568 avcodec_select="null_bsf"
3569 avdevice_deps="avformat avcodec avutil"
3570 avdevice_suggest="libm"
3571 avfilter_deps="avutil"
3572 avfilter_suggest="libm"
3573 avformat_deps="avcodec avutil"
3574 avformat_suggest="libm network zlib"
3575 avresample_deps="avutil"
3576 avresample_suggest="libm"
3577 avutil_suggest="clock_gettime ffnvcodec libm libdrm libmfx opencl user32 vaapi videotoolbox corefoundation corevideo coremedia bcrypt"
3578 postproc_deps="avutil gpl"
3579 postproc_suggest="libm"
3580 swresample_deps="avutil"
3581 swresample_suggest="libm libsoxr"
3582 swscale_deps="avutil"
3583 swscale_suggest="libm"
3585 avcodec_extralibs="pthreads_extralibs iconv_extralibs dxva2_extralibs"
3586 avfilter_extralibs="pthreads_extralibs"
3587 avutil_extralibs="d3d11va_extralibs nanosleep_extralibs pthreads_extralibs vaapi_drm_extralibs vaapi_x11_extralibs vdpau_x11_extralibs"
3590 ffmpeg_deps="avcodec avfilter avformat"
3591 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
3592 hflip_filter null_filter
3593 transpose_filter trim_filter vflip_filter"
3594 ffmpeg_suggest="ole32 psapi shell32"
3595 ffplay_deps="avcodec avformat swscale swresample sdl2"
3596 ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"
3597 ffplay_suggest="shell32"
3598 ffprobe_deps="avcodec avformat"
3599 ffprobe_suggest="shell32"
3602 podpages_deps="perl"
3603 manpages_deps="perl pod2man"
3604 htmlpages_deps="perl"
3605 htmlpages_deps_any="makeinfo_html texi2html"
3606 txtpages_deps="perl makeinfo"
3607 doc_deps_any="manpages htmlpages podpages txtpages"
3609 # default parameters
3611 logfile="ffbuild/config.log"
3613 # installation paths
3614 prefix_default="/usr/local"
3615 bindir_default='${prefix}/bin'
3616 datadir_default='${prefix}/share/ffmpeg'
3617 docdir_default='${prefix}/share/doc/ffmpeg'
3618 incdir_default='${prefix}/include'
3619 libdir_default='${prefix}/lib'
3620 mandir_default='${prefix}/share/man'
3626 host_cc_default="gcc"
3627 doxygen_default="doxygen"
3629 ln_s_default="ln -s -f"
3631 pkg_config_default=pkg-config
3632 ranlib_default="ranlib"
3633 strip_default="strip"
3634 version_script='--version-script'
3636 x86asmexe_default="nasm"
3637 windres_default="windres"
3639 nvccflags_default="-gencode arch=compute_30,code=sm_30 -O2"
3643 target_os_default=$(tolower $(uname -s))
3644 host_os=$target_os_default
3647 if test "$target_os_default" = aix; then
3648 arch_default=$(uname -p)
3649 strip_default="strip -X32_64"
3650 nm_default="nm -g -X32_64"
3652 arch_default=$(uname -m)
3657 # configurable options
3658 enable $PROGRAM_LIST
3659 enable $DOCUMENT_LIST
3660 enable $EXAMPLE_LIST
3661 enable $(filter_out avresample $LIBRARY_LIST)
3667 enable faan faandct faanidct
3668 enable optimizations
3669 enable runtime_cpudetect
3670 enable safe_bitstream_reader
3672 enable swscale_alpha
3673 enable valgrind_backtrace
3675 sws_max_filter_size_default=256
3676 set_default sws_max_filter_size
3678 # internal components are enabled by default
3679 enable $EXTRALIBS_LIST
3681 # Avoid external, non-system, libraries getting enabled by dependency resolution
3682 disable $EXTERNAL_LIBRARY_LIST $HWACCEL_LIBRARY_LIST
3685 SHFLAGS='-shared -Wl,-soname,$$(@F)'
3688 FULLNAME='$(NAME)$(BUILDSUF)'
3689 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
3692 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
3693 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
3694 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
3695 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
3696 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
3697 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
3698 VERSION_SCRIPT_POSTPROCESS_CMD="cat"
3725 host_extralibs='-lm'
3726 host_cflags_filter=echo
3727 host_ldflags_filter=echo
3729 target_path='$(CURDIR)'
3731 # since the object filename is not given with the -MM flag, the compiler
3732 # is only able to print the basename, and we must add the path ourselves
3733 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>/dev/null | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(@F),$(@D)/$(@F)," > $(@:.o=.d)'
3739 if test -f configure; then
3742 source_path=$(cd $(dirname "$0"); pwd)
3743 case "$source_path" in
3744 *[[:blank:]]*) die "Out of tree builds are impossible with whitespace in source path." ;;
3746 test -e "$source_path/config.h" &&
3747 die "Out of tree builds are impossible with config.h in source dir."
3754 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
3757 find_things_extern(){
3760 file=$source_path/$3
3762 sed -n "s/^[^#]*extern.*$pattern *ff_\([^ ]*\)_$thing;/\1_$out/p" "$file"
3765 find_filters_extern(){
3766 file=$source_path/$1
3767 sed -n 's/^extern AVFilter ff_[avfsinkrc]\{2,5\}_\([[:alnum:]_]\{1,\}\);/\1_filter/p' $file
3770 FILTER_LIST=$(find_filters_extern libavfilter/allfilters.c)
3771 OUTDEV_LIST=$(find_things_extern muxer AVOutputFormat libavdevice/alldevices.c outdev)
3772 INDEV_LIST=$(find_things_extern demuxer AVInputFormat libavdevice/alldevices.c indev)
3773 MUXER_LIST=$(find_things_extern muxer AVOutputFormat libavformat/allformats.c)
3774 DEMUXER_LIST=$(find_things_extern demuxer AVInputFormat libavformat/allformats.c)
3775 ENCODER_LIST=$(find_things_extern encoder AVCodec libavcodec/allcodecs.c)
3776 DECODER_LIST=$(find_things_extern decoder AVCodec libavcodec/allcodecs.c)
3781 PARSER_LIST=$(find_things_extern parser AVCodecParser libavcodec/parsers.c)
3782 BSF_LIST=$(find_things_extern bsf AVBitStreamFilter libavcodec/bitstream_filters.c)
3783 HWACCEL_LIST=$(find_things_extern hwaccel AVHWAccel libavcodec/hwaccels.h)
3784 PROTOCOL_LIST=$(find_things_extern protocol URLProtocol libavformat/protocols.c)
3786 AVCODEC_COMPONENTS_LIST="
3794 AVDEVICE_COMPONENTS_LIST="
3799 AVFILTER_COMPONENTS_LIST="
3803 AVFORMAT_COMPONENTS_LIST="
3810 $AVCODEC_COMPONENTS_LIST
3811 $AVDEVICE_COMPONENTS_LIST
3812 $AVFILTER_COMPONENTS_LIST
3813 $AVFORMAT_COMPONENTS_LIST
3816 for n in $COMPONENT_LIST; do
3817 v=$(toupper ${n%s})_LIST
3819 eval ${n}_if_any="\$$v"
3822 enable $ARCH_EXT_LIST
3825 echo "Unknown option \"$1\"."
3826 echo "See $0 --help for available options."
3830 print_in_columns() {
3831 cols=$(expr $ncols / 24)
3832 cat | tr ' ' '\n' | sort | pr -r "-$cols" -w $ncols -t
3838 echo $* | sed s/$suffix//g | print_in_columns
3850 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
3851 echo "prob ${prob:-0.5}"
3859 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
3860 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
3869 --extra-ldexeflags=*)
3870 add_ldexeflags $optval
3872 --extra-ldsoflags=*)
3873 add_ldsoflags $optval
3875 --extra-ldlibflags=*)
3876 warn "The --extra-ldlibflags option is only provided for compatibility and will be\n"\
3877 "removed in the future. Use --extra-ldsoflags instead."
3878 add_ldsoflags $optval
3881 add_extralibs $optval
3884 disable $INDEV_LIST $OUTDEV_LIST
3887 debuglevel="$optval"
3890 disable $PROGRAM_LIST
3892 --disable-everything)
3893 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3896 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3897 disable $LIBRARY_LIST $PROGRAM_LIST doc
3900 --enable-random|--disable-random)
3901 action=${opt%%-random}
3902 do_random ${action#--} $COMPONENT_LIST
3904 --enable-random=*|--disable-random=*)
3905 action=${opt%%-random=*}
3906 do_random ${action#--} $optval
3911 --enable-*=*|--disable-*=*)
3912 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
3913 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
3914 eval list=\$$(toupper $thing)_LIST
3915 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
3916 list=$(filter "$name" $list)
3917 [ "$list" = "" ] && warn "Option $opt did not match anything"
3918 test $action = enable && warn_if_gets_disabled $list
3921 --enable-yasm|--disable-yasm)
3922 warn "The ${opt} option is only provided for compatibility and will be\n"\
3923 "removed in the future. Use --enable-x86asm / --disable-x86asm instead."
3924 test $opt = --enable-yasm && x86asm=yes || x86asm=no
3927 warn "The --yasmexe option is only provided for compatibility and will be\n"\
3928 "removed in the future. Use --x86asmexe instead."
3931 --enable-?*|--disable-?*)
3932 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
3933 if is_in $option $COMPONENT_LIST; then
3934 test $action = disable && action=unset
3935 eval $action \$$(toupper ${option%s})_LIST
3936 elif is_in $option $CMDLINE_SELECT; then
3943 NAME="${opt#--list-}"
3944 is_in $NAME $COMPONENT_LIST || die_unknown $opt
3946 eval show_list $NAME \$$(toupper $NAME)_LIST
3948 --help|-h) show_help
3950 --quiet|-q) quiet=yes
3952 --fatal-warnings) enable fatal_warnings
3955 libfuzzer_path="$optval"
3958 optname="${opt%%=*}"
3959 optname="${optname#--}"
3960 optname=$(echo "$optname" | sed 's/-/_/g')
3961 if is_in $optname $CMDLINE_SET; then
3962 eval $optname='$optval'
3963 elif is_in $optname $CMDLINE_APPEND; then
3964 append $optname "$optval"
3976 if disabled autodetect; then
3978 # Unless iconv is explicitely disabled by the user, we still want to probe
3979 # for the iconv from the libc.
3980 disabled iconv || enable libc_iconv
3982 disable_weak $EXTERNAL_AUTODETECT_LIBRARY_LIST
3983 disable_weak $HWACCEL_AUTODETECT_LIBRARY_LIST
3985 # Mark specifically enabled, but normally autodetected libraries as requested.
3986 for lib in $AUTODETECT_LIBS; do
3987 enabled $lib && request $lib
3989 #TODO: switch to $AUTODETECT_LIBS when $THREADS_LIST is supported the same way
3990 enable_weak $EXTERNAL_AUTODETECT_LIBRARY_LIST
3991 enable_weak $HWACCEL_AUTODETECT_LIBRARY_LIST
3993 disabled logging && logfile=/dev/null
3995 # command line configuration sanity checks
3997 # we need to build at least one lib type
3998 if ! enabled_any static shared; then
4000 At least one library type must be built.
4001 Specify --enable-static to build the static libraries or --enable-shared to
4002 build the shared libraries as well. To only build the shared libraries specify
4003 --disable-static in addition to --enable-shared.
4008 die_license_disabled() {
4009 enabled $1 || { enabled $v && die "$v is $1 and --enable-$1 is not specified."; }
4012 die_license_disabled_gpl() {
4013 enabled $1 || { enabled $v && die "$v is incompatible with the gpl and --enable-$1 is not specified."; }
4016 map "die_license_disabled gpl" $EXTERNAL_LIBRARY_GPL_LIST $EXTERNAL_LIBRARY_GPLV3_LIST
4017 map "die_license_disabled version3" $EXTERNAL_LIBRARY_VERSION3_LIST $EXTERNAL_LIBRARY_GPLV3_LIST
4019 enabled gpl && map "die_license_disabled_gpl nonfree" $EXTERNAL_LIBRARY_NONFREE_LIST
4020 map "die_license_disabled nonfree" $HWACCEL_LIBRARY_NONFREE_LIST
4022 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
4024 if enabled nonfree; then
4025 license="nonfree and unredistributable"
4026 elif enabled gplv3; then
4027 license="GPL version 3 or later"
4028 elif enabled lgplv3; then
4029 license="LGPL version 3 or later"
4030 elif enabled gpl; then
4031 license="GPL version 2 or later"
4033 license="LGPL version 2.1 or later"
4036 enabled_all gnutls openssl &&
4037 die "GnuTLS and OpenSSL must not be enabled at the same time."
4039 enabled_all gnutls mbedtls &&
4040 die "GnuTLS and mbedTLS must not be enabled at the same time."
4042 enabled_all openssl mbedtls &&
4043 die "OpenSSL and mbedTLS must not be enabled at the same time."
4045 # Disable all the library-specific components if the library itself
4046 # is disabled, see AVCODEC_LIST and following _LIST variables.
4048 disable_components(){
4049 disabled ${1} && disable $(
4050 eval components="\$$(toupper ${1})_COMPONENTS"
4051 map 'eval echo \${$(toupper ${v%s})_LIST}' $components
4055 map 'disable_components $v' $LIBRARY_LIST
4057 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
4060 test -n "$valgrind" && toolchain="valgrind-memcheck"
4062 enabled ossfuzz && ! echo $CFLAGS | grep -q -- "-fsanitize=" && ! echo $CFLAGS | grep -q -- "-fcoverage-mapping" &&{
4063 add_cflags -fsanitize=address,undefined -fsanitize-coverage=trace-pc-guard,trace-cmp -fno-omit-frame-pointer
4064 add_ldflags -fsanitize=address,undefined -fsanitize-coverage=trace-pc-guard,trace-cmp
4067 case "$toolchain" in
4069 cc_default="${toolchain%-asan}"
4070 add_cflags -fsanitize=address
4071 add_ldflags -fsanitize=address
4074 cc_default="${toolchain%-msan}"
4075 add_cflags -fsanitize=memory -fsanitize-memory-track-origins
4076 add_ldflags -fsanitize=memory
4079 cc_default="${toolchain%-tsan}"
4080 add_cflags -fsanitize=thread
4081 add_ldflags -fsanitize=thread
4082 case "$toolchain" in
4090 cc_default="${toolchain%-usan}"
4091 add_cflags -fsanitize=undefined
4092 add_ldflags -fsanitize=undefined
4095 target_exec_default="valgrind"
4096 case "$toolchain" in
4098 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"
4101 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
4106 # Check whether the current MSVC version needs the C99 converter.
4107 # From MSVC 2013 (compiler major version 18) onwards, it does actually
4108 # support enough of C99 to build ffmpeg. Default to the new
4109 # behaviour if the regexp was unable to match anything, since this
4110 # successfully parses the version number of existing supported
4111 # versions that require the converter (MSVC 2010 and 2012).
4112 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
4113 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
4117 die "Unsupported MSVC version (2013 or newer required)"
4119 ld_default="$source_path/compat/windows/mslink"
4120 nm_default="dumpbin -symbols"
4124 as_default="armasm64"
4130 target_os_default="win32"
4131 # Use a relative path for TMPDIR. This makes sure all the
4132 # ffconf temp files are written with a relative path, avoiding
4133 # issues with msys/win32 path conversion for MSVC parameters
4134 # such as -Fo<file> or -out:<file>.
4140 nm_default="dumpbin -symbols"
4142 target_os_default="win32"
4146 add_cflags -fprofile-arcs -ftest-coverage
4147 add_ldflags -fprofile-arcs -ftest-coverage
4150 add_cflags -fprofile-arcs -ftest-coverage
4151 add_ldflags --coverage
4154 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
4155 add_cflags -fno-strict-overflow -fstack-protector-all
4156 add_ldflags -Wl,-z,relro -Wl,-z,now
4158 add_ldexeflags -fPIE -pie
4161 die "Unknown toolchain $toolchain"
4165 if test -n "$cross_prefix"; then
4166 test -n "$arch" && test -n "$target_os" ||
4167 die "Must specify target arch (--arch) and OS (--target-os) when cross-compiling"
4168 enable cross_compile
4171 set_default target_os
4172 if test "$target_os" = android; then
4176 ar_default="${cross_prefix}${ar_default}"
4177 cc_default="${cross_prefix}${cc_default}"
4178 cxx_default="${cross_prefix}${cxx_default}"
4179 nm_default="${cross_prefix}${nm_default}"
4180 pkg_config_default="${cross_prefix}${pkg_config_default}"
4181 if ${cross_prefix}${ranlib_default} 2>&1 | grep -q "\-D "; then
4182 ranlib_default="${cross_prefix}${ranlib_default} -D"
4184 ranlib_default="${cross_prefix}${ranlib_default}"
4186 strip_default="${cross_prefix}${strip_default}"
4187 windres_default="${cross_prefix}${windres_default}"
4189 sysinclude_default="${sysroot}/usr/include"
4191 set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \
4192 target_exec x86asmexe nvcc
4193 enabled cross_compile || host_cc_default=$cc
4196 pkg_config_fail_message=""
4197 if ! $pkg_config --version >/dev/null 2>&1; then
4198 warn "$pkg_config not found, library detection may fail."
4200 elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then
4201 pkg_config_fail_message="
4202 Note: When building a static binary, add --pkg-config-flags=\"--static\"."
4205 if test $doxygen != $doxygen_default && \
4206 ! $doxygen --version >/dev/null 2>&1; then
4207 warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."
4212 mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
4216 EXESUF=$(exesuf $target_os)
4217 HOSTEXESUF=$(exesuf $host_os)
4219 # set temporary file name
4220 : ${TMPDIR:=$TEMPDIR}
4224 if [ -n "$tempprefix" ] ; then
4226 tmpname="$tempprefix.${HOSTNAME}.${UID}"
4230 elif ! test_cmd mktemp -u XXXXXX; then
4231 # simple replacement for missing mktemp
4232 # NOT SAFE FOR GENERAL USE
4234 tmpname="${2%%XXX*}.${HOSTNAME}.${UID}.$$"
4240 FFTMPDIR=$(mktemp -d "${TMPDIR}/ffconf.XXXXXXXX" 2> /dev/null) ||
4241 die "Unable to create temporary directory in $TMPDIR."
4244 tmp="${FFTMPDIR}/test"$2
4245 (set -C; exec > $tmp) 2> /dev/null ||
4246 die "Unable to create temporary file in $FFTMPDIR."
4250 trap 'rm -rf -- "$FFTMPDIR"' EXIT
4256 tmpfile TMPE $EXESUF
4269 # make sure we can execute files in $TMPDIR
4270 cat > $TMPSH 2>> $logfile <<EOF
4273 chmod +x $TMPSH >> $logfile 2>&1
4274 if ! $TMPSH >> $logfile 2>&1; then
4276 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
4277 variable to another directory and make sure that it is not mounted noexec.
4279 die "Sanity test failed."
4285 # Filter out MSVC cl.exe options from cflags that shouldn't
4286 # be passed to gas-preprocessor
4296 -Wno-switch) echo -Wno-switch-enum ;;
4297 -Wno-format-zero-length) ;;
4298 -Wdisabled-optimization) ;;
4299 -Wno-pointer-sign) echo -Wno-other ;;
4305 msvc_common_flags(){
4308 # In addition to specifying certain flags under the compiler
4309 # specific filters, they must be specified here as well or else the
4310 # generic catch all at the bottom will print the original flag.
4315 -fomit-frame-pointer) ;;
4319 -fno-signed-zeros) ;;
4323 -lz) echo zlib.lib ;;
4324 -lx264) echo libx264.lib ;;
4326 -l*) echo ${flag#-l}.lib ;;
4327 -LARGEADDRESSAWARE) echo $flag ;;
4328 -L*) echo -libpath:${flag#-L} ;;
4335 msvc_common_flags "$@"
4338 -Wall) echo -W3 -wd4018 -wd4146 -wd4244 -wd4305 \
4340 -Wextra) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
4341 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
4342 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
4344 -wd4273 -wd4554 -wd4701 -wd4703 ;;
4350 msvc_common_flags "$@"
4353 # Despite what Intel's documentation says -Wall, which is supported
4354 # on Windows, does enable remarks so disable them here.
4355 -Wall) echo $flag -Qdiag-disable:remark ;;
4356 -std=c99) echo -Qstd=c99 ;;
4375 case "${flag#*=}" in
4376 native) echo -xtarget=native ;;
4377 v9|niagara) echo -xarch=sparc ;;
4378 ultrasparc) echo -xarch=sparcvis ;;
4379 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
4380 i586|pentium) echo -xchip=pentium ;;
4381 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
4382 pentium3*|c3-2) echo -xtarget=pentium3 ;;
4383 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
4384 pentium4*) echo -xtarget=pentium4 ;;
4385 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
4386 *-sse3) echo -xarch=sse3 ;;
4387 core2) echo -xarch=ssse3 -xchip=core2 ;;
4388 bonnell) echo -xarch=ssse3 ;;
4389 corei7|nehalem) echo -xtarget=nehalem ;;
4390 westmere) echo -xtarget=westmere ;;
4391 silvermont) echo -xarch=sse4_2 ;;
4392 corei7-avx|sandybridge) echo -xtarget=sandybridge ;;
4393 core-avx*|ivybridge|haswell|broadwell|skylake*|knl)
4395 amdfam10|barcelona) echo -xtarget=barcelona ;;
4396 btver1) echo -xarch=amdsse4a ;;
4397 btver2|bdver*|znver*) echo -xarch=avx ;;
4398 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
4399 k8|opteron|athlon64|athlon-fx)
4400 echo -xarch=sse2a ;;
4401 athlon*) echo -xarch=pentium_proa ;;
4404 -std=c99) echo -xc99 ;;
4405 -fomit-frame-pointer) echo -xregs=frameptr ;;
4406 -fPIC) echo -KPIC -xcode=pic32 ;;
4407 -W*,*) echo $flag ;;
4408 -f*-*|-W*|-mimpure-text) ;;
4420 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
4421 unset _ld_o _ldflags _ld_lib _ld_path
4422 unset _depflags _DEPCMD _DEPFLAGS
4425 if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
4426 true # no-op to avoid reading stdin in following checks
4427 elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
4429 gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')
4430 _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"
4431 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4434 elif $_cc -v 2>&1 | grep -qi ^gcc; then
4436 gcc_version=$($_cc --version | head -n1)
4437 gcc_basever=$($_cc -dumpversion)
4438 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
4439 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
4440 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
4441 case $gcc_basever in
4444 *) _depflags='-MMD -MF $(@:.o=.d) -MT $@' ;;
4446 if [ "$first" = true ]; then
4447 case $gcc_basever in
4449 warn "gcc 4.2 is outdated and may miscompile FFmpeg. Please use a newer compiler." ;;
4454 elif $_cc --version 2>/dev/null | grep -q ^icc; then
4456 _ident=$($_cc --version | head -n1)
4461 _flags_filter=icc_flags
4462 elif $_cc -v 2>&1 | grep -q xlc; then
4464 _ident=$($_cc -qversion 2>/dev/null | head -n1)
4466 _cflags_size='-O5 -qcompact'
4467 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
4468 test -d "$sysroot" || die "No valid sysroot specified."
4470 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
4471 armcc_conf="$PWD/armcc.conf"
4472 $_cc --arm_linux_configure \
4473 --arm_linux_config_file="$armcc_conf" \
4474 --configure_sysroot="$sysroot" \
4475 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
4476 die "Error creating armcc configuration file."
4477 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
4478 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
4479 as_default="${cross_prefix}gcc"
4483 elif $_cc -v 2>&1 | grep -q clang && ! $_cc -? > /dev/null 2>&1; then
4485 _ident=$($_cc --version 2>/dev/null | head -n1)
4486 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4489 elif $_cc -V 2>&1 | grep -q Sun; then
4491 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
4492 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
4493 _DEPFLAGS='-xM1 -xc99'
4496 _cflags_size='-O5 -xspace'
4497 _flags_filter=suncc_flags
4498 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
4500 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
4501 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4504 _flags_filter='filter_out -Wdisabled-optimization'
4505 elif $_cc -v 2>&1 | grep -q Open64; then
4507 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
4508 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4511 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
4512 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
4514 _ident=$($_cc | head -n1)
4515 # 4509: "This form of conditional instruction is deprecated"
4516 _flags="-nologo -ignore 4509"
4517 _flags_filter=armasm_flags
4518 elif $_cc 2>&1 | grep -q Intel; then
4520 _ident=$($_cc 2>&1 | head -n1)
4521 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
4522 # Not only is O3 broken on 13.x+ but it is slower on all previous
4523 # versions (tested) as well.
4525 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
4526 if $_cc 2>&1 | grep -q Linker; then
4533 _flags_filter=icl_flags
4535 _ld_path='-libpath:'
4536 # -Qdiag-error to make icl error when seeing certain unknown arguments
4537 _flags='-nologo -Qdiag-error:4044,10157'
4538 # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency
4539 # with MSVC which enables it by default.
4540 _cflags='-Qms0 -Qvec- -Qsimd- -GS -fp:precise'
4542 elif $_cc -? 2>/dev/null | grep -q 'LLVM.*Linker'; then
4543 # lld can emulate multiple different linkers; in ms link.exe mode,
4544 # the -? parameter gives the help output which contains an identifyable
4545 # string, while it gives an error in other modes.
4547 # The link.exe mode doesn't have a switch for getting the version,
4548 # but we can force it back to gnu mode and get the version from there.
4549 _ident=$($_cc -flavor gnu --version 2>/dev/null)
4551 _flags_filter=msvc_flags
4553 _ld_path='-libpath:'
4554 elif $_cc -nologo- 2>&1 | grep -q Microsoft || { $_cc -v 2>&1 | grep -q clang && $_cc -? > /dev/null 2>&1; }; then
4556 _ident=$($_cc 2>&1 | head -n1 | tr -d '\r')
4557 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
4558 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
4562 if $_cc -nologo- 2>&1 | grep -q Linker; then
4569 _flags_filter=msvc_flags
4571 _ld_path='-libpath:'
4574 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
4576 _ident=$($_cc --version | head -n1)
4580 _flags_filter=cparser_flags
4583 eval ${pfx}_type=\$_type
4584 eval ${pfx}_ident=\$_ident
4588 eval ${1}_C=\${_cc_c-\${${1}_C}}
4589 eval ${1}_E=\${_cc_e-\${${1}_E}}
4590 eval ${1}_O=\${_cc_o-\${${1}_O}}
4592 if [ -n "$_depflags" ]; then
4593 eval ${1}_DEPFLAGS=\$_depflags
4595 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
4596 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
4597 eval DEP${1}FLAGS=\$_flags
4601 probe_cc cc "$cc" "true"
4602 cflags_filter=$_flags_filter
4603 cflags_speed=$_cflags_speed
4604 cflags_size=$_cflags_size
4605 cflags_noopt=$_cflags_noopt
4606 add_cflags $_flags $_cflags
4607 cc_ldflags=$_ldflags
4611 probe_cc hostcc "$host_cc"
4612 host_cflags_filter=$_flags_filter
4613 host_cflags_speed=$_cflags_speed
4614 add_host_cflags $_flags $_cflags
4617 test -n "$cc_type" && enable $cc_type ||
4618 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
4620 : ${as_default:=$cc}
4621 : ${objcc_default:=$cc}
4622 : ${dep_cc_default:=$cc}
4623 : ${ld_default:=$cc}
4624 : ${host_ld_default:=$host_cc}
4625 set_default ar as objcc dep_cc ld ln_s host_ld windres
4628 asflags_filter=$_flags_filter
4629 add_asflags $_flags $_cflags
4632 probe_cc objcc "$objcc"
4633 objcflags_filter=$_flags_filter
4634 add_objcflags $_flags $_cflags
4638 ldflags_filter=$_flags_filter
4639 add_ldflags $_flags $_ldflags
4640 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
4642 LD_LIB=${_ld_lib-$LD_LIB}
4643 LD_PATH=${_ld_path-$LD_PATH}
4645 probe_cc hostld "$host_ld"
4646 host_ldflags_filter=$_flags_filter
4647 add_host_ldflags $_flags $_ldflags
4648 HOSTLD_O=${_ld_o-$HOSTLD_O}
4650 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
4651 probe_cc depcc "$dep_cc"
4652 CCDEP=${_DEPCMD:-$DEPCMD}
4653 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
4657 if $ar 2>&1 | grep -q Microsoft; then
4660 elif $ar 2>&1 | grep -q "\[D\] "; then
4668 add_cflags $extra_cflags
4669 add_cxxflags $extra_cxxflags
4670 add_objcflags $extra_objcflags
4671 add_asflags $extra_cflags
4673 if test -n "$sysroot"; then
4676 add_cppflags --sysroot="$sysroot"
4677 add_ldflags --sysroot="$sysroot"
4682 if test "$cpu" = host; then
4683 enabled cross_compile &&
4684 die "--cpu=host makes no sense when cross-compiling."
4689 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
4691 s/.*$1=\\([^ ]*\\).*/\\1/
4696 cpu=$(check_native -march || check_native -mcpu)
4700 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
4701 sed -n "/cc1.*-target-cpu /{
4702 s/.*-target-cpu \\([^ ]*\\).*/\\1/
4707 cpu=$(check_native -march)
4711 test "${cpu:-host}" = host &&
4712 die "--cpu=host not supported with compiler $cc"
4715 # Deal with common $arch aliases
4739 "Power Macintosh"|ppc*|powerpc*)
4754 i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
4759 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
4762 # Add processor-specific flags
4763 if enabled aarch64; then
4767 cpuflags="-march=$cpu"
4770 cpuflags="-mcpu=$cpu"
4774 elif enabled alpha; then
4776 cpuflags="-mcpu=$cpu"
4778 elif enabled arm; then
4781 test_cpp_condition stddef.h \
4782 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
4787 if check_arm_arch 4; then echo armv4
4788 elif check_arm_arch 4T; then echo armv4t
4789 elif check_arm_arch 5; then echo armv5
4790 elif check_arm_arch 5E; then echo armv5e
4791 elif check_arm_arch 5T; then echo armv5t
4792 elif check_arm_arch 5TE; then echo armv5te
4793 elif check_arm_arch 5TEJ; then echo armv5te
4794 elif check_arm_arch 6; then echo armv6
4795 elif check_arm_arch 6J; then echo armv6j
4796 elif check_arm_arch 6K; then echo armv6k
4797 elif check_arm_arch 6Z; then echo armv6z
4798 elif check_arm_arch 6KZ; then echo armv6zk
4799 elif check_arm_arch 6ZK; then echo armv6zk
4800 elif check_arm_arch 6T2; then echo armv6t2
4801 elif check_arm_arch 7; then echo armv7
4802 elif check_arm_arch 7A 7_A; then echo armv7-a
4803 elif check_arm_arch 7S; then echo armv7-a
4804 elif check_arm_arch 7R 7_R; then echo armv7-r
4805 elif check_arm_arch 7M 7_M; then echo armv7-m
4806 elif check_arm_arch 7EM 7E_M; then echo armv7-m
4807 elif check_arm_arch 8A 8_A; then echo armv8-a
4811 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
4815 cpuflags="-march=$cpu"
4816 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
4819 cpuflags="-mcpu=$cpu"
4821 cortex-a*) subarch=armv7a ;;
4822 cortex-r*) subarch=armv7r ;;
4823 cortex-m*) enable thumb; subarch=armv7m ;;
4824 arm11*) subarch=armv6 ;;
4825 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
4826 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
4827 *) subarch=$(probe_arm_arch) ;;
4833 armv5t*) enable fast_clz ;;
4836 disabled fast_unaligned || enable fast_unaligned
4840 elif enabled avr32; then
4845 cpuflags="-mpart=$cpu"
4849 cpuflags="-march=$cpu"
4853 cpuflags="-mcpu=$cpu"
4857 cpuflags="-march=$cpu"
4861 elif enabled bfin; then
4863 cpuflags="-mcpu=$cpu"
4865 elif enabled mips; then
4867 cpuflags="-march=$cpu"
4869 if [ "$cpu" != "generic" ]; then
4879 24kc|24kf*|24kec|34kc|1004kc|24kef*|34kf*|1004kf*|74kc|74kf)
4890 enable local_aligned
4891 enable simd_align_16
4895 enable fast_unaligned
4896 disable aligned_stack
4899 # When gcc version less than 5.3.0, add -fno-expensive-optimizations flag.
4900 if [ $cc == gcc ]; then
4901 gcc_version=$(gcc -dumpversion)
4902 if [ "$(echo "$gcc_version 5.3.0" | tr " " "\n" | sort -rV | head -n 1)" == "$gcc_version" ]; then
4903 expensive_optimization_flag=""
4905 expensive_optimization_flag="-fno-expensive-optimizations"
4910 cpuflags="-march=loongson3a -mhard-float $expensive_optimization_flag"
4913 cpuflags="-march=loongson2e -mhard-float $expensive_optimization_flag"
4916 cpuflags="-march=loongson2f -mhard-float $expensive_optimization_flag"
4921 # Unknown CPU. Disable everything.
4922 warn "unknown CPU. Disabling all MIPS optimizations."
4945 24kef*|34kf*|1004kf*)
4953 check_cflags "-mtune=p5600" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops"
4957 check_cflags "-mtune=i6400 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64"
4961 check_cflags "-mtune=p6600 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64"
4965 # We do not disable anything. Is up to the user to disable the unwanted features.
4966 warn 'generic cpu selected'
4969 elif enabled ppc; then
4973 case $(tolower $cpu) in
4974 601|ppc601|powerpc601)
4975 cpuflags="-mcpu=601"
4978 603*|ppc603*|powerpc603*)
4979 cpuflags="-mcpu=603"
4982 604*|ppc604*|powerpc604*)
4983 cpuflags="-mcpu=604"
4986 g3|75*|ppc75*|powerpc75*)
4987 cpuflags="-mcpu=750"
4990 g4|745*|ppc745*|powerpc745*)
4991 cpuflags="-mcpu=7450"
4994 74*|ppc74*|powerpc74*)
4995 cpuflags="-mcpu=7400"
4998 g5|970|ppc970|powerpc970)
4999 cpuflags="-mcpu=970"
5003 cpuflags="-mcpu=$cpu"
5007 cpuflags="-mcpu=$cpu"
5010 cpuflags="-mcpu=cell"
5015 cpuflags="-mcpu=e500mc"
5019 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
5024 cpuflags="-mcpu=8540 -mhard-float"
5030 elif enabled sparc; then
5033 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
5034 cpuflags="-mcpu=$cpu"
5036 ultrasparc*|niagara[234])
5037 cpuflags="-mcpu=$cpu"
5041 elif enabled x86; then
5045 cpuflags="-march=$cpu"
5049 # targets that do NOT support nopl and conditional mov (cmov)
5050 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
5051 cpuflags="-march=$cpu"
5054 # targets that do support nopl and conditional mov (cmov)
5055 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\
5056 |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|skylake*|knl\
5057 |amdfam10|barcelona|b[dt]ver*|znver*)
5058 cpuflags="-march=$cpu"
5062 # targets that do support conditional mov but on which it's slow
5063 pentium4|pentium4m|prescott|nocona)
5064 cpuflags="-march=$cpu"
5072 if [ "$cpu" != generic ]; then
5073 add_cflags $cpuflags
5074 add_asflags $cpuflags
5075 test "$cc_type" = "$ld_type" && add_ldflags $cpuflags
5078 # compiler sanity check
5080 int main(void){ return 0; }
5082 if test "$?" != 0; then
5083 echo "$cc is unable to create an executable file."
5084 if test -z "$cross_prefix" && ! enabled cross_compile ; then
5085 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
5086 echo "Only do this if you know what cross compiling means."
5088 die "C compiler test failed."
5091 add_cppflags -D_ISOC99_SOURCE
5092 add_cxxflags -D__STDC_CONSTANT_MACROS
5093 check_cxxflags -std=c++11 || check_cxxflags -std=c++0x
5095 # some compilers silently accept -std=c11, so we also need to check that the
5096 # version macro is defined properly
5097 test_cflags_cc -std=c11 ctype.h "__STDC_VERSION__ >= 201112L" &&
5098 add_cflags -std=c11 ||
5099 check_cflags -std=c99
5101 check_cppflags -D_FILE_OFFSET_BITS=64
5102 check_cppflags -D_LARGEFILE_SOURCE
5104 add_host_cppflags -D_ISOC99_SOURCE
5105 check_host_cflags -std=c99
5106 check_host_cflags -Wall
5107 check_host_cflags $host_cflags_speed
5112 expr=${3:-'sizeof(void *) > 4'}
5113 test_code cc "" "int test[2*($expr) - 1]" &&
5114 subarch=$arch64 || subarch=$arch32
5120 enabled shared && enable_weak pic
5123 check_64bit mips mips64 '_MIPS_SIM > 1'
5124 enabled shared && enable_weak pic
5127 check_64bit parisc parisc64
5128 enabled shared && enable_weak pic
5131 check_64bit ppc ppc64
5132 enabled shared && enable_weak pic
5135 check_64bit s390 s390x
5136 enabled shared && enable_weak pic
5139 check_64bit sparc sparc64
5140 enabled shared && enable_weak pic
5143 check_64bit x86_32 x86_64
5144 # Treat x32 as x64 for now. Note it also needs pic if shared
5145 test "$subarch" = "x86_32" && test_cpp_condition stddef.h 'defined(__x86_64__)' &&
5146 subarch=x86_64 && enable x86_64 && disable x86_32
5147 if enabled x86_64; then
5148 enabled shared && enable_weak pic
5158 add_cppflags '-I\$(SRC_PATH)/compat/aix'
5159 enabled shared && add_ldflags -Wl,-brtl
5160 arflags='-Xany -r -c'
5165 enable section_data_rel_ro
5167 add_ldexeflags -fPIE -pie
5168 SLIB_INSTALL_NAME='$(SLIBNAME)'
5170 SHFLAGS='-shared -Wl,-soname,$(SLIBNAME)'
5173 prefix_default="/boot/common"
5174 network_extralibs="-lnetwork"
5178 SHFLAGS='-shared -Wl,-h,$$(@F)'
5179 enabled x86 && append SHFLAGS -mimpure-text
5180 network_extralibs="-lsocket -lnsl"
5181 add_cppflags -D__EXTENSIONS__
5182 # When using suncc to build, the Solaris linker will mark
5183 # an executable with each instruction set encountered by
5184 # the Solaris assembler. As our libraries contain their own
5185 # guards for processor-specific code, instead suppress
5186 # generation of the HWCAPS ELF section on Solaris x86 only.
5187 enabled_all suncc x86 &&
5188 echo "hwcap_1 = OVERRIDE;" > mapfile &&
5189 add_ldflags -Wl,-M,mapfile
5190 nm_default='nm -P -g'
5193 VERSION_SCRIPT_POSTPROCESS_CMD='perl $(SRC_PATH)/compat/solaris/make_sunver.pl - $(OBJS)'
5197 oss_indev_extralibs="-lossaudio"
5198 oss_outdev_extralibs="-lossaudio"
5199 enabled gcc || check_ldflags -Wl,-zmuldefs
5205 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
5207 oss_indev_extralibs="-lossaudio"
5208 oss_outdev_extralibs="-lossaudio"
5216 add_extralibs -lpoll -lgnugetopt
5220 enabled ppc && add_asflags -force_cpusubtype_ALL
5221 install_name_dir_default='$(SHLIBDIR)'
5222 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(INSTALL_NAME_DIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
5223 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
5225 add_ldflags -Wl,-dynamic,-search_paths_first
5226 check_cflags -Werror=partial-availability
5228 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
5229 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
5230 enabled x86_64 && objformat="macho64" || objformat="macho32"
5231 enabled_any pic shared x86_64 ||
5232 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
5233 check_headers dispatch/dispatch.h &&
5234 add_cppflags '-I\$(SRC_PATH)/compat/dispatch_semaphore'
5235 if test -n "$sysroot"; then
5236 is_in -isysroot $cc $CPPFLAGS $CFLAGS || check_cppflags -isysroot $sysroot
5237 is_in -isysroot $ld $LDFLAGS || check_ldflags -isysroot $sysroot
5239 version_script='-exported_symbols_list'
5240 VERSION_SCRIPT_POSTPROCESS_CMD='tr " " "\n" | sed -n /global:/,/local:/p | grep ";" | tr ";" "\n" | sed -E "s/(.+)/_\1/g" | sed -E "s/(.+[^*])$$$$/\1*/"'
5243 die "Native MSYS builds are discouraged, please use the MINGW environment."
5248 if enabled x86_64; then
5249 LIBTARGET="i386:x86-64"
5250 elif enabled arm; then
5252 elif enabled aarch64; then
5255 if enabled shared; then
5256 # Cannot build both shared and static libs when using dllimport.
5259 enabled shared && ! enabled small && test_cmd $windres --version && enable gnu_windres
5260 enabled x86_32 && check_ldflags -Wl,--large-address-aware
5261 shlibdir_default="$bindir_default"
5264 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
5265 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
5266 if test_cmd lib.exe -list; then
5267 SLIB_EXTRA_CMD=-'lib.exe -nologo -machine:$(LIBTARGET) -def:$$(@:$(SLIBSUF)=.def) -out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
5268 if enabled x86_64; then
5272 SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
5274 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
5276 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
5277 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
5278 SLIB_CREATE_DEF_CMD='EXTERN_PREFIX="$(EXTERN_PREFIX)" AR="$(AR_CMD)" NM="$(NM_CMD)" $(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
5279 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--disable-auto-image-base $$(@:$(SLIBSUF)=.def)'
5280 enabled x86_64 && objformat="win64" || objformat="win32"
5281 dlltool="${cross_prefix}dlltool"
5284 check_ldflags -Wl,--nxcompat,--dynamicbase
5285 # Lets work around some stupidity in binutils.
5286 # ld will strip relocations from executables even though we need them
5287 # for dynamicbase (ASLR). Using -pie does retain the reloc section
5288 # however ld then forgets what the entry point should be (oops) so we
5289 # have to manually (re)set it.
5290 if enabled x86_32; then
5291 disabled debug && add_ldexeflags -Wl,--pic-executable,-e,_mainCRTStartup
5292 elif enabled x86_64; then
5293 disabled debug && add_ldexeflags -Wl,--pic-executable,-e,mainCRTStartup
5294 check_ldflags -Wl,--high-entropy-va # binutils 2.25
5295 # Set image base >4GB for extra entropy with HEASLR
5296 add_ldexeflags -Wl,--image-base,0x140000000
5297 append SHFLAGS -Wl,--image-base,0x180000000
5302 if enabled shared; then
5303 # Link to the import library instead of the normal static library
5306 # Cannot build both shared and static libs with MSVC or icl.
5309 enabled x86_32 && check_ldflags -LARGEADDRESSAWARE
5310 shlibdir_default="$bindir_default"
5313 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
5314 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
5315 SLIB_CREATE_DEF_CMD='EXTERN_PREFIX="$(EXTERN_PREFIX)" $(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
5316 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
5318 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
5319 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
5320 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
5321 enabled x86_64 && objformat="win64" || objformat="win32"
5327 shlibdir_default="$bindir_default"
5330 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
5331 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
5332 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
5334 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
5335 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
5336 enabled x86_64 && objformat="win64" || objformat="win32"
5338 enabled shared && ! enabled small && test_cmd $windres --version && enable gnu_windres
5339 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
5341 *-dos|freedos|opendos)
5342 network_extralibs="-lsocket"
5347 enable section_data_rel_ro
5348 enabled_any arm aarch64 && enable_weak linux_perf
5352 ranlib="echo ignoring ranlib"
5358 add_cppflags -D_GNU_SOURCE
5359 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zhigh-mem -Zmap
5360 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
5364 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
5365 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(FULLNAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
5366 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(FULLNAME).def; \
5367 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(FULLNAME).def; \
5368 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(FULLNAME).def; \
5369 echo EXPORTS >> $(SUBDIR)$(FULLNAME).def; \
5370 emxexp $(OBJS) >> $(SUBDIR)$(FULLNAME).def'
5371 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(FULLNAME)_dll.a $(SUBDIR)$(FULLNAME).def; \
5372 emximp -o $(SUBDIR)$(LIBPREF)$(FULLNAME)_dll.lib $(SUBDIR)$(FULLNAME).def;'
5373 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
5375 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(FULLNAME)_dll.a $(LIBPREF)$(FULLNAME)_dll.lib'
5377 enable_weak os2threads
5380 add_cppflags -D_BSD_SOURCE
5385 add_cppflags -D_QNX_SOURCE
5386 network_extralibs="-lsocket"
5391 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
5392 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
5393 add_ldflags -Wl,--target1-abs,--no-undefined \
5394 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
5395 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
5396 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
5397 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
5398 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
5405 die "Unknown OS '$target_os'."
5409 # test if creating links works
5410 link_dest=$(mktemp -u $TMPDIR/dest_XXXXXXXX)
5411 link_name=$(mktemp -u $TMPDIR/name_XXXXXXXX)
5413 $ln_s "$link_dest" "$link_name"
5414 touch "$link_dest/test_file"
5415 if [ "$source_path" != "." ] && ([ ! -d src ] || [ -L src ]) && [ -e "$link_name/test_file" ]; then
5416 # create link to source path
5417 [ -e src ] && rm src
5418 $ln_s "$source_path" src
5421 # creating directory links doesn't work
5422 # fall back to using the full source path
5423 source_link="$source_path"
5429 # determine libc flavour
5434 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
5435 if test_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
5436 eval ${pfx}libc_type=uclibc
5437 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
5438 elif test_${pfx}cpp_condition features.h "defined __GLIBC__"; then
5439 eval ${pfx}libc_type=glibc
5440 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
5441 # MinGW headers can be installed on Cygwin, so check for newlib first.
5442 elif test_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
5443 eval ${pfx}libc_type=newlib
5444 add_${pfx}cppflags -U__STRICT_ANSI__ -D_XOPEN_SOURCE=600
5445 # MinGW64 is backwards compatible with MinGW32, so check for it first.
5446 elif test_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
5447 eval ${pfx}libc_type=mingw64
5448 if test_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then
5449 add_compat msvcrt/snprintf.o
5450 add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
5452 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
5453 eval test \$${pfx_no_}cc_type = "gcc" &&
5454 add_${pfx}cppflags -D__printf__=__gnu_printf__
5455 test_${pfx}cpp_condition windows.h "!defined(_WIN32_WINNT) || _WIN32_WINNT < 0x0600" &&
5456 add_${pfx}cppflags -D_WIN32_WINNT=0x0600
5457 elif test_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" ||
5458 test_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
5459 eval ${pfx}libc_type=mingw32
5460 test_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
5461 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
5462 die "ERROR: MinGW32 runtime version must be >= 3.15."
5463 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
5464 test_${pfx}cpp_condition _mingw.h "__MSVCRT_VERSION__ < 0x0700" &&
5465 add_${pfx}cppflags -D__MSVCRT_VERSION__=0x0700
5466 test_${pfx}cpp_condition windows.h "!defined(_WIN32_WINNT) || _WIN32_WINNT < 0x0600" &&
5467 add_${pfx}cppflags -D_WIN32_WINNT=0x0600
5468 eval test \$${pfx_no_}cc_type = "gcc" &&
5469 add_${pfx}cppflags -D__printf__=__gnu_printf__
5470 elif test_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
5471 eval ${pfx}libc_type=msvcrt
5472 if test_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then
5473 if [ "$pfx" = host_ ]; then
5474 add_host_cppflags -Dsnprintf=_snprintf
5476 add_compat strtod.o strtod=avpriv_strtod
5477 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
5478 _snprintf=avpriv_snprintf \
5479 vsnprintf=avpriv_vsnprintf
5482 add_${pfx}cppflags -D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS
5483 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
5484 # 0x601 by default unless something else is set by the user.
5485 # This can easily lead to us detecting functions only present
5486 # in such new versions and producing binaries requiring windows 7.0.
5487 # Therefore explicitly set the default to Vista unless the user has
5488 # set something else on the command line.
5489 # Don't do this if WINAPI_FAMILY is set and is set to a non-desktop
5490 # family. For these cases, configure is free to use any functions
5491 # found in the SDK headers by default. (Alternatively, we could force
5492 # _WIN32_WINNT to 0x0602 in that case.)
5493 test_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||
5494 { test_${pfx}cpp <<EOF && add_${pfx}cppflags -D_WIN32_WINNT=0x0600; }
5495 #ifdef WINAPI_FAMILY
5496 #include <winapifamily.h>
5497 #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
5502 if [ "$pfx" = "" ]; then
5503 check_func strtoll || add_cflags -Dstrtoll=_strtoi64
5504 check_func strtoull || add_cflags -Dstrtoull=_strtoui64
5506 elif test_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
5507 eval ${pfx}libc_type=klibc
5508 elif test_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then
5509 eval ${pfx}libc_type=bionic
5510 elif test_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then
5511 eval ${pfx}libc_type=solaris
5512 add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
5513 elif test_${pfx}cpp_condition sys/version.h "defined __DJGPP__"; then
5514 eval ${pfx}libc_type=djgpp
5515 add_cppflags -U__STRICT_ANSI__
5516 add_cflags "-include $source_path/compat/djgpp/math.h"
5517 add_compat djgpp/math.o
5521 void *v = localtime_r;
5523 test "$?" != 0 && test_${pfx}cc -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 <<EOF && add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
5525 void *v = localtime_r;
5528 eval test -n "\${${pfx}libc_type}" && enable ${pfx}libc_${libc_type}
5534 # hacks for compiler/libc/os combinations
5538 add_compat strtod.o strtod=avpriv_strtod
5542 check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||
5543 add_cppflags '-I\$(SRC_PATH)/compat/float'
5545 test_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
5548 : ${shlibdir_default:="$libdir"}
5549 : ${pkgconfigdir_default:="$libdir/pkgconfig"}
5551 set_default $PATHS_LIST
5554 disabled optimizations || enabled ossfuzz || check_cflags -fomit-frame-pointer
5557 disabled pic && return
5560 case "$target_os" in
5561 mingw*|cygwin*|win*)
5570 enabled pic && enable_weak_pic
5572 test_cc <<EOF || die "Symbol mangling check failed."
5575 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
5576 extern_prefix=${sym%%ff_extern*}
5578 ! disabled inline_asm && check_inline_asm inline_asm '"" ::'
5580 for restrict_keyword in restrict __restrict__ __restrict ""; do
5581 test_code cc "" "char * $restrict_keyword p" && break
5584 check_cc pragma_deprecated "" '_Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"")'
5586 # The global variable ensures the bits appear unchanged in the object file.
5587 test_cc <<EOF || die "endian test failed"
5588 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
5590 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
5592 check_cc const_nan math.h "struct { double d; } static const bar[] = { { NAN } }"
5594 if ! enabled ppc64 || enabled bigendian; then
5599 log "check_gas using '$as' as AS"
5600 # :vararg is used on aarch64, arm and ppc altivec
5602 .macro m n, y:vararg=0
5606 # .altmacro is only used in arm asm
5607 ! enabled arm || check_as gnu_as ".altmacro"
5610 if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then
5612 enabled_any arm aarch64 && nogas=die
5613 enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn
5617 arm*) gaspp_as_type=armasm; as_noop=-h ;;
5618 gcc) gaspp_as_type=gas ;;
5619 *) gaspp_as_type=$as_type ;;
5622 [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"
5624 test "${as#*gas-preprocessor.pl}" != "$as" ||
5625 test_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- ${as:=$cc} $as_noop &&
5626 gas="${gas:=gas-preprocessor.pl} -arch $arch -as-type $gaspp_as_type -- ${as:=$cc}"
5628 if ! check_gas ; then
5631 $nogas "GNU assembler not found, install/update gas-preprocessor"
5634 check_as as_func ".func test
5638 check_inline_asm inline_asm_labels '"1:\n"'
5640 check_inline_asm inline_asm_nonlocal_labels '"Label:\n"'
5642 if enabled aarch64; then
5643 enabled armv8 && check_insn armv8 'prfm pldl1strm, [x0]'
5644 # internal assembler in clang 3.3 does not support this instruction
5645 enabled neon && check_insn neon 'ext v0.8B, v0.8B, v1.8B, #1'
5646 enabled vfp && check_insn vfp 'fmadd d0, d0, d1, d2'
5648 map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM
5650 elif enabled alpha; then
5654 elif enabled arm; then
5656 enabled msvc && check_cpp_condition thumb stddef.h "defined _M_ARMT"
5657 test_cpp_condition stddef.h "defined __thumb__" && test_cc <<EOF && enable_weak thumb
5658 float func(float a, float b){ return a+b; }
5660 enabled thumb && check_cflags -mthumb || check_cflags -marm
5662 if check_cpp_condition vfp_args stddef.h "defined __ARM_PCS_VFP"; then
5664 elif check_cpp_condition vfp_args stddef.h "defined _M_ARM_FP && _M_ARM_FP >= 30"; then
5666 elif ! test_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__" && [ $target_os != darwin ]; then
5667 case "${cross_prefix:-$cc}" in
5668 *hardfloat*) enable vfp_args; fpabi=vfp ;;
5669 *) check_ld "cc" vfp_args <<EOF && fpabi=vfp || fpabi=soft ;;
5670 __asm__ (".eabi_attribute 28, 1");
5671 int main(void) { return 0; }
5674 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
5677 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
5678 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
5679 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
5680 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
5681 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
5682 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
5683 enabled setend && check_insn setend 'setend be'
5685 [ $target_os = linux ] || [ $target_os = android ] ||
5686 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
5689 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
5691 check_as as_arch_directive ".arch armv7-a"
5692 check_as as_dn_directive "ra .dn d0.i16"
5693 check_as as_fpu_directive ".fpu neon"
5695 # llvm's integrated assembler supports .object_arch from llvm 3.5
5696 [ "$objformat" = elf32 ] || [ "$objformat" = elf64 ] &&
5697 check_as as_object_arch ".object_arch armv4"
5699 # MS armasm fails to assemble our PIC constructs
5700 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
5702 elif enabled mips; then
5704 enabled loongson2 && check_inline_asm loongson2 '"dmult.g $8, $9, $10"'
5705 enabled loongson3 && check_inline_asm loongson3 '"gsldxc1 $f0, 0($2, $3)"'
5706 enabled mmi && check_inline_asm mmi '"punpcklhw $f0, $f0, $f0"'
5708 # Enable minimum ISA based on selected options
5709 if enabled mips64; then
5710 enabled mips64r6 && check_inline_asm_flags mips64r6 '"dlsa $0, $0, $0, 1"' '-mips64r6'
5711 enabled mips64r2 && check_inline_asm_flags mips64r2 '"dext $0, $0, 0, 1"' '-mips64r2'
5712 disabled mips64r6 && disabled mips64r2 && check_inline_asm_flags mips64r1 '"daddi $0, $0, 0"' '-mips64'
5714 enabled mips32r6 && check_inline_asm_flags mips32r6 '"aui $0, $0, 0"' '-mips32r6'
5715 enabled mips32r5 && check_inline_asm_flags mips32r5 '"eretnc"' '-mips32r5'
5716 enabled mips32r2 && check_inline_asm_flags mips32r2 '"ext $0, $0, 0, 1"' '-mips32r2'
5717 disabled mips32r6 && disabled mips32r5 && disabled mips32r2 && check_inline_asm_flags mips32r1 '"addi $0, $0, 0"' '-mips32'
5720 enabled mipsfpu && check_inline_asm_flags mipsfpu '"cvt.d.l $f0, $f2"' '-mhard-float'
5721 enabled mipsfpu && (enabled mips32r5 || enabled mips32r6 || enabled mips64r6) && check_inline_asm_flags mipsfpu '"cvt.d.l $f0, $f1"' '-mfp64'
5722 enabled mipsfpu && enabled msa && check_inline_asm_flags msa '"addvi.b $w0, $w1, 1"' '-mmsa' && check_headers msa.h || disable msa
5723 enabled mipsdsp && check_inline_asm_flags mipsdsp '"addu.qb $t0, $t1, $t2"' '-mdsp'
5724 enabled mipsdspr2 && check_inline_asm_flags mipsdspr2 '"absq_s.qb $t0, $t1"' '-mdspr2'
5726 if enabled bigendian && enabled msa; then
5730 elif enabled parisc; then
5732 if enabled gcc; then
5733 case $($cc -dumpversion) in
5734 4.[3-9].*) check_cflags -fno-optimize-sibling-calls ;;
5738 elif enabled ppc; then
5740 enable local_aligned
5742 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
5743 check_inline_asm ibm_asm '"add 0, 0, 0"'
5744 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
5745 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
5747 if enabled altivec; then
5748 check_cflags -maltivec -mabi=altivec
5750 # check if our compiler supports Motorola AltiVec C API
5751 check_cc altivec altivec.h "vector signed int v1 = (vector signed int) { 0 };
5752 vector signed int v2 = (vector signed int) { 1 };
5753 v1 = vec_add(v1, v2);"
5755 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
5758 if enabled vsx; then
5759 check_cflags -mvsx &&
5760 check_cc vsx altivec.h "int v[4] = { 0 };
5761 vector signed int v1 = vec_vsx_ld(0, v);"
5764 if enabled power8; then
5765 check_cpp_condition power8 "altivec.h" "defined(_ARCH_PWR8)"
5768 elif enabled x86; then
5770 check_builtin rdtsc intrin.h "__rdtsc()"
5771 check_builtin mm_empty mmintrin.h "_mm_empty()"
5773 enable local_aligned
5775 # check whether EBP is available on x86
5776 # As 'i' is stored on the stack, this program will crash
5777 # if the base pointer is used to access it because the
5778 # base pointer is cleared in the inline assembly code.
5779 check_exec_crash <<EOF && enable ebp_available
5781 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
5785 # check whether EBX is available on x86
5786 check_inline_asm ebx_available '""::"b"(0)' &&
5787 check_inline_asm ebx_available '"":::"%ebx"'
5789 # check whether xmm clobbers are supported
5790 check_inline_asm xmm_clobbers '"":::"%xmm0"'
5792 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' ||
5793 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"'
5795 # check whether binutils is new enough to compile SSSE3/MMXEXT
5796 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
5797 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
5801 if test_cmd $x86asmexe_probe -v; then
5802 x86asmexe=$x86asmexe_probe
5804 x86asm_debug="-g -F dwarf"
5806 X86ASM_DEPFLAGS='-MD $(@:.o=.d)'
5807 elif test_cmd $x86asmexe_probe --version; then
5808 x86asmexe=$x86asmexe_probe
5810 x86asm_debug="-g dwarf2"
5811 X86ASMDEP='$(DEPX86ASM) $(X86ASMFLAGS) -M $(X86ASM_O) $< > $(@:.o=.d)'
5814 check_x86asm x86asm "movbe ecx, [5]"
5817 if ! disabled_any asm mmx x86asm; then
5819 for program in $x86asmexe nasm yasm; do
5820 probe_x86asm $program && break
5822 disabled x86asm && die "nasm/yasm not found or too old. Use --disable-x86asm for a crippled build."
5823 X86ASMFLAGS="-f $objformat"
5824 enabled pic && append X86ASMFLAGS "-DPIC"
5825 test -n "$extern_prefix" && append X86ASMFLAGS "-DPREFIX"
5826 case "$objformat" in
5827 elf*) enabled debug && append X86ASMFLAGS $x86asm_debug ;;
5830 check_x86asm avx512_external "vmovdqa32 [eax]{k1}{z}, zmm0"
5831 check_x86asm avx2_external "vextracti128 xmm0, ymm0, 0"
5832 check_x86asm xop_external "vpmacsdd xmm0, xmm1, xmm2, xmm3"
5833 check_x86asm fma4_external "vfmaddps ymm0, ymm1, ymm2, ymm3"
5834 check_x86asm cpunop "CPU amdnop"
5838 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
5845 check_cc intrinsics_neon arm_neon.h "int16x8_t test = vdupq_n_s16(0)"
5847 check_ldflags -Wl,--as-needed
5848 check_ldflags -Wl,-z,noexecstack
5850 if ! disabled network; then
5851 check_func getaddrinfo $network_extralibs
5852 check_func inet_aton $network_extralibs
5854 check_type netdb.h "struct addrinfo"
5855 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
5856 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
5857 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
5858 check_type poll.h "struct pollfd"
5859 check_type netinet/sctp.h "struct sctp_event_subscribe"
5860 check_struct "sys/socket.h" "struct msghdr" msg_flags
5861 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
5862 check_type netinet/in.h "struct sockaddr_in6"
5863 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
5864 check_type "sys/types.h sys/socket.h" socklen_t
5866 # Prefer arpa/inet.h over winsock2
5867 if check_headers arpa/inet.h ; then
5868 check_func closesocket
5869 elif check_headers winsock2.h ; then
5870 check_func_headers winsock2.h closesocket -lws2 &&
5871 network_extralibs="-lws2" ||
5872 { check_func_headers winsock2.h closesocket -lws2_32 &&
5873 network_extralibs="-lws2_32"; } || disable winsock2_h network
5874 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
5876 check_type ws2tcpip.h socklen_t
5877 check_type ws2tcpip.h "struct addrinfo"
5878 check_type ws2tcpip.h "struct group_source_req"
5879 check_type ws2tcpip.h "struct ip_mreq_source"
5880 check_type ws2tcpip.h "struct ipv6_mreq"
5881 check_type winsock2.h "struct pollfd"
5882 check_struct winsock2.h "struct sockaddr" sa_len
5883 check_type ws2tcpip.h "struct sockaddr_in6"
5884 check_type ws2tcpip.h "struct sockaddr_storage"
5890 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
5891 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
5892 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
5893 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
5894 check_builtin gmtime_r time.h "time_t *time; struct tm *tm; gmtime_r(time, tm)"
5895 check_builtin localtime_r time.h "time_t *time; struct tm *tm; localtime_r(time, tm)"
5896 check_builtin x264_csp_bgr "stdint.h x264.h" "X264_CSP_BGR"
5898 case "$custom_allocator" in
5900 # jemalloc by default does not use a prefix
5901 require libjemalloc jemalloc/jemalloc.h malloc -ljemalloc
5904 require_pkg_config libtcmalloc libtcmalloc gperftools/tcmalloc.h tc_malloc
5909 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
5910 check_func ${malloc_prefix}memalign && enable memalign
5911 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
5914 check_func_headers stdlib.h arc4random
5915 check_lib clock_gettime time.h clock_gettime || check_lib clock_gettime time.h clock_gettime -lrt
5918 check_func gethrtime
5920 check_func getrusage
5921 check_func gettimeofday
5926 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
5927 check_func_headers time.h nanosleep || check_lib nanosleep time.h nanosleep -lrt
5928 check_func sched_getaffinity
5929 check_func setrlimit
5930 check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE
5931 check_func strerror_r
5936 check_func_headers conio.h kbhit
5937 check_func_headers io.h setmode
5938 check_func_headers lzo/lzo1x.h lzo1x_999_compress
5939 check_func_headers mach/mach_time.h mach_absolute_time
5940 check_func_headers stdlib.h getenv
5941 check_func_headers sys/stat.h lstat
5943 check_func_headers windows.h GetProcessAffinityMask
5944 check_func_headers windows.h GetProcessTimes
5945 check_func_headers windows.h GetSystemTimeAsFileTime
5946 check_func_headers windows.h LoadLibrary
5947 check_func_headers windows.h MapViewOfFile
5948 check_func_headers windows.h PeekNamedPipe
5949 check_func_headers windows.h SetConsoleTextAttribute
5950 check_func_headers windows.h SetConsoleCtrlHandler
5951 check_func_headers windows.h Sleep
5952 check_func_headers windows.h VirtualAlloc
5953 check_func_headers glob.h glob
5955 check_lib xlib "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext
5957 check_headers direct.h
5958 check_headers dirent.h
5959 check_headers dxgidebug.h
5960 check_headers dxva.h
5961 check_headers dxva2api.h -D_WIN32_WINNT=0x0600
5963 check_headers linux/perf_event.h
5964 check_headers libcrystalhd/libcrystalhd_if.h
5965 check_headers malloc.h
5966 check_headers net/udplite.h
5967 check_headers poll.h
5968 check_headers sys/param.h
5969 check_headers sys/resource.h
5970 check_headers sys/select.h
5971 check_headers sys/time.h
5972 check_headers sys/un.h
5973 check_headers termios.h
5974 check_headers unistd.h
5975 check_headers valgrind/valgrind.h
5976 check_func_headers VideoToolbox/VTCompressionSession.h VTCompressionSessionPrepareToEncodeFrames -framework VideoToolbox
5977 check_headers windows.h
5978 check_headers X11/extensions/XvMClib.h
5979 check_headers asm/types.h
5981 # it seems there are versions of clang in some distros that try to use the
5982 # gcc headers, which explodes for stdatomic
5983 # so we also check that atomics actually work here
5984 check_builtin stdatomic stdatomic.h "atomic_int foo, bar = ATOMIC_VAR_INIT(-1); atomic_store(&foo, 0); foo += bar"
5986 check_lib advapi32 "windows.h" RegCloseKey -ladvapi32
5987 check_lib bcrypt "windows.h bcrypt.h" BCryptGenRandom -lbcrypt &&
5988 check_cpp_condition bcrypt bcrypt.h "defined BCRYPT_RNG_ALGORITHM"
5989 check_lib ole32 "windows.h" CoTaskMemFree -lole32
5990 check_lib shell32 "windows.h shellapi.h" CommandLineToArgvW -lshell32
5991 check_lib psapi "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
5993 check_lib android android/native_window.h ANativeWindow_acquire -landroid
5994 check_lib mediandk "stdint.h media/NdkImage.h" AImage_delete -lmediandk
5995 check_lib camera2ndk "stdbool.h stdint.h camera/NdkCameraManager.h" ACameraManager_create -lcamera2ndk
5997 enabled appkit && check_apple_framework AppKit
5998 enabled audiotoolbox && check_apple_framework AudioToolbox
5999 enabled avfoundation && check_apple_framework AVFoundation
6000 enabled coreimage && check_apple_framework CoreImage
6001 enabled videotoolbox && check_apple_framework VideoToolbox
6003 check_apple_framework CoreFoundation
6004 check_apple_framework CoreMedia
6005 check_apple_framework CoreVideo
6007 enabled avfoundation && {
6008 disable coregraphics applicationservices
6009 check_lib coregraphics CoreGraphics/CoreGraphics.h CGGetActiveDisplayList "-framework CoreGraphics" ||
6010 check_lib applicationservices ApplicationServices/ApplicationServices.h CGGetActiveDisplayList "-framework ApplicationServices"; }
6012 enabled videotoolbox && {
6013 check_lib coreservices CoreServices/CoreServices.h UTGetOSTypeFromString "-framework CoreServices"
6014 check_func_headers CoreMedia/CMFormatDescription.h kCMVideoCodecType_HEVC "-framework CoreMedia"
6017 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
6019 check_type "windows.h dxva.h" "DXVA_PicParams_HEVC" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0
6020 check_type "windows.h dxva.h" "DXVA_PicParams_VP9" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0
6021 check_type "windows.h d3d11.h" "ID3D11VideoDecoder"
6022 check_type "windows.h d3d11.h" "ID3D11VideoContext"
6023 check_type "d3d9.h dxva2api.h" DXVA2_ConfigPictureDecode -D_WIN32_WINNT=0x0602
6025 check_type "va/va.h va/va_dec_hevc.h" "VAPictureParameterBufferHEVC"
6026 check_struct "va/va.h" "VADecPictureParameterBufferVP9" bit_depth
6027 check_struct "va/va.h va/va_vpp.h" "VAProcPipelineCaps" rotation_flags
6028 check_type "va/va.h va/va_enc_hevc.h" "VAEncPictureParameterBufferHEVC"
6029 check_type "va/va.h va/va_enc_jpeg.h" "VAEncPictureParameterBufferJPEG"
6030 check_type "va/va.h va/va_enc_vp8.h" "VAEncPictureParameterBufferVP8"
6031 check_type "va/va.h va/va_enc_vp9.h" "VAEncPictureParameterBufferVP9"
6033 check_type "vdpau/vdpau.h" "VdpPictureInfoHEVC"
6035 if enabled cuda_sdk; then
6036 warn "Option --enable-cuda-sdk is deprecated. Use --enable-cuda-nvcc instead."
6040 if ! disabled ffnvcodec; then
6041 ffnv_hdr_list="ffnvcodec/nvEncodeAPI.h ffnvcodec/dynlink_cuda.h ffnvcodec/dynlink_cuviddec.h ffnvcodec/dynlink_nvcuvid.h"
6042 check_pkg_config ffnvcodec "ffnvcodec >= 9.0.18.0" "$ffnv_hdr_list" "" || \
6043 check_pkg_config ffnvcodec "ffnvcodec >= 8.2.15.8 ffnvcodec < 8.3" "$ffnv_hdr_list" "" || \
6044 check_pkg_config ffnvcodec "ffnvcodec >= 8.1.24.9 ffnvcodec < 8.2" "$ffnv_hdr_list" "" || \
6045 check_pkg_config ffnvcodec "ffnvcodec >= 8.0.14.9 ffnvcodec < 8.1" "$ffnv_hdr_list" ""
6048 check_cpp_condition winrt windows.h "!WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)"
6050 if ! disabled w32threads && ! enabled pthreads; then
6051 check_func_headers "windows.h process.h" _beginthreadex &&
6052 check_type "windows.h" CONDITION_VARIABLE &&
6053 check_type "windows.h" INIT_ONCE &&
6054 enable w32threads || disable w32threads
6055 if ! enabled w32threads && enabled winrt; then
6056 check_func_headers "windows.h" CreateThread &&
6057 enable w32threads || disable w32threads
6061 # check for some common methods of building with pthread support
6062 # do this before the optional library checks as some of them require pthreads
6063 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
6064 if check_lib pthreads pthread.h pthread_join -pthread &&
6065 check_lib pthreads pthread.h pthread_create -pthread; then
6067 elif check_lib pthreads pthread.h pthread_join -pthreads &&
6068 check_lib pthreads pthread.h pthread_create -pthreads; then
6069 add_cflags -pthreads
6070 elif check_lib pthreads pthread.h pthread_join -ldl -pthread &&
6071 check_lib pthreads pthread.h pthread_create -ldl -pthread; then
6072 add_cflags -ldl -pthread
6073 elif check_lib pthreads pthread.h pthread_join -lpthreadGC2 &&
6074 check_lib pthreads pthread.h pthread_create -lpthreadGC2; then
6076 elif check_lib pthreads pthread.h pthread_join -lpthread &&
6077 check_lib pthreads pthread.h pthread_create -lpthread; then
6079 elif check_func pthread_join && check_func pthread_create; then
6082 check_cc pthreads "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER"
6084 if enabled pthreads; then
6085 check_builtin sem_timedwait semaphore.h "sem_t *s; sem_init(s,0,0); sem_timedwait(s,0); sem_destroy(s)" $pthreads_extralibs
6086 check_func pthread_cancel $pthreads_extralibs
6090 enabled zlib && { check_pkg_config zlib zlib "zlib.h" zlibVersion ||
6091 check_lib zlib zlib.h zlibVersion -lz; }
6092 enabled bzlib && check_lib bzlib bzlib.h BZ2_bzlibVersion -lbz2
6093 enabled lzma && check_lib lzma lzma.h lzma_version_number -llzma
6095 # On some systems dynamic loading requires no extra linker flags
6096 check_lib libdl dlfcn.h "dlopen dlsym" || check_lib libdl dlfcn.h "dlopen dlsym" -ldl
6098 check_lib libm math.h sin -lm
6106 for func in $MATH_FUNCS; do
6107 eval check_mathfunc $func \${${func}_args:-1} $libm_extralibs
6110 for func in $COMPLEX_FUNCS; do
6111 eval check_complexfunc $func \${${func}_args:-1}
6114 # these are off by default, so fail if requested and not available
6115 enabled cuda_nvcc && { check_nvcc || die "ERROR: failed checking for nvcc."; }
6116 enabled chromaprint && require chromaprint chromaprint.h chromaprint_get_version -lchromaprint
6117 enabled decklink && { require_headers DeckLinkAPI.h &&
6118 { test_cpp_condition DeckLinkAPIVersion.h "BLACKMAGIC_DECKLINK_API_VERSION >= 0x0a090500" || die "ERROR: Decklink API version must be >= 10.9.5."; } }
6119 enabled frei0r && require_headers "frei0r.h dlfcn.h"
6120 enabled gmp && require gmp gmp.h mpz_export -lgmp
6121 enabled gnutls && require_pkg_config gnutls gnutls gnutls/gnutls.h gnutls_global_init
6122 enabled jni && { [ $target_os = "android" ] && check_headers jni.h && enabled pthreads || die "ERROR: jni not found"; }
6123 enabled ladspa && require_headers "ladspa.h dlfcn.h"
6124 enabled libaom && require_pkg_config libaom "aom >= 1.0.0" aom/aom_codec.h aom_codec_version
6125 enabled libaribb24 && { check_pkg_config libaribb24 "aribb24 > 1.0.3" "aribb24/aribb24.h" arib_instance_new ||
6126 { enabled gpl && require_pkg_config libaribb24 aribb24 "aribb24/aribb24.h" arib_instance_new; } ||
6127 die "ERROR: libaribb24 requires version higher than 1.0.3 or --enable-gpl."; }
6128 enabled lv2 && require_pkg_config lv2 lilv-0 "lilv/lilv.h" lilv_world_new
6129 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
6130 enabled libass && require_pkg_config libass libass ass/ass.h ass_library_init
6131 enabled libbluray && require_pkg_config libbluray libbluray libbluray/bluray.h bd_open
6132 enabled libbs2b && require_pkg_config libbs2b libbs2b bs2b.h bs2b_open
6133 enabled libcelt && require libcelt celt/celt.h celt_decode -lcelt0 &&
6134 { check_lib libcelt celt/celt.h celt_decoder_create_custom -lcelt0 ||
6135 die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
6136 enabled libcaca && require_pkg_config libcaca caca caca.h caca_create_canvas
6137 enabled libcodec2 && require libcodec2 codec2/codec2.h codec2_create -lcodec2
6138 enabled libdav1d && require_pkg_config libdav1d "dav1d >= 0.2.1" "dav1d/dav1d.h" dav1d_version
6139 enabled libdavs2 && require_pkg_config libdavs2 "davs2 >= 1.6.0" davs2.h davs2_decoder_open
6140 enabled libdc1394 && require_pkg_config libdc1394 libdc1394-2 dc1394/dc1394.h dc1394_new
6141 enabled libdrm && require_pkg_config libdrm libdrm xf86drm.h drmGetVersion
6142 enabled libfdk_aac && { check_pkg_config libfdk_aac fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen ||
6143 { require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac &&
6144 warn "using libfdk without pkg-config"; } }
6145 flite_extralibs="-lflite_cmu_time_awb -lflite_cmu_us_awb -lflite_cmu_us_kal -lflite_cmu_us_kal16 -lflite_cmu_us_rms -lflite_cmu_us_slt -lflite_usenglish -lflite_cmulex -lflite"
6146 enabled libflite && require libflite "flite/flite.h" flite_init $flite_extralibs
6147 enabled fontconfig && enable libfontconfig
6148 enabled libfontconfig && require_pkg_config libfontconfig fontconfig "fontconfig/fontconfig.h" FcInit
6149 enabled libfreetype && require_pkg_config libfreetype freetype2 "ft2build.h FT_FREETYPE_H" FT_Init_FreeType
6150 enabled libfribidi && require_pkg_config libfribidi fribidi fribidi.h fribidi_version_info
6151 enabled libgme && { check_pkg_config libgme libgme gme/gme.h gme_new_emu ||
6152 require libgme gme/gme.h gme_new_emu -lgme -lstdc++; }
6153 enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
6154 check_lib libgsm "${gsm_hdr}" gsm_create -lgsm && break;
6155 done || die "ERROR: libgsm not found"; }
6156 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc $pthreads_extralibs
6157 enabled libklvanc && require libklvanc libklvanc/vanc.h klvanc_context_create -lklvanc
6158 enabled libkvazaar && require_pkg_config libkvazaar "kvazaar >= 0.8.1" kvazaar.h kvz_api_get
6159 enabled liblensfun && require_pkg_config liblensfun lensfun lensfun.h lf_db_new
6160 # While it may appear that require is being used as a pkg-config
6161 # fallback for libmfx, it is actually being used to detect a different
6162 # installation route altogether. If libmfx is installed via the Intel
6163 # Media SDK or Intel Media Server Studio, these don't come with
6164 # pkg-config support. Instead, users should make sure that the build
6165 # can find the libraries and headers through other means.
6166 enabled libmfx && { check_pkg_config libmfx libmfx "mfx/mfxvideo.h" MFXInit ||
6167 { require libmfx "mfx/mfxvideo.h" MFXInit "-llibmfx $advapi32_extralibs" && warn "using libmfx without pkg-config"; } }
6168 enabled libmodplug && require_pkg_config libmodplug libmodplug libmodplug/modplug.h ModPlug_Load
6169 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame $libm_extralibs
6170 enabled libmysofa && { check_pkg_config libmysofa libmysofa mysofa.h mysofa_load ||
6171 require libmysofa mysofa.h mysofa_load -lmysofa $zlib_extralibs; }
6172 enabled libnpp && { check_lib libnpp npp.h nppGetLibVersion -lnppig -lnppicc -lnppc -lnppidei ||
6173 check_lib libnpp npp.h nppGetLibVersion -lnppi -lnppc -lnppidei ||
6174 die "ERROR: libnpp not found"; }
6175 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
6176 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
6177 enabled libopencv && { check_headers opencv2/core/core_c.h &&
6178 { check_pkg_config libopencv opencv opencv2/core/core_c.h cvCreateImageHeader ||
6179 require libopencv opencv2/core/core_c.h cvCreateImageHeader -lopencv_core -lopencv_imgproc; } ||
6180 require_pkg_config libopencv opencv opencv/cxcore.h cvCreateImageHeader; }
6181 enabled libopenh264 && require_pkg_config libopenh264 openh264 wels/codec_api.h WelsGetCodecVersion
6182 enabled libopenjpeg && { check_pkg_config libopenjpeg "libopenjp2 >= 2.1.0" openjpeg.h opj_version ||
6183 { require_pkg_config libopenjpeg "libopenjp2 >= 2.1.0" openjpeg.h opj_version -DOPJ_STATIC && add_cppflags -DOPJ_STATIC; } }
6184 enabled libopenmpt && require_pkg_config libopenmpt "libopenmpt >= 0.2.6557" libopenmpt/libopenmpt.h openmpt_module_create -lstdc++ && append libopenmpt_extralibs "-lstdc++"
6185 enabled libopus && {
6186 enabled libopus_decoder && {
6187 require_pkg_config libopus opus opus_multistream.h opus_multistream_decoder_create
6189 enabled libopus_encoder && {
6190 require_pkg_config libopus opus opus_multistream.h opus_multistream_surround_encoder_create
6193 enabled libpulse && require_pkg_config libpulse libpulse pulse/pulseaudio.h pa_context_new
6194 enabled librsvg && require_pkg_config librsvg librsvg-2.0 librsvg-2.0/librsvg/rsvg.h rsvg_handle_render_cairo
6195 enabled librtmp && require_pkg_config librtmp librtmp librtmp/rtmp.h RTMP_Socket
6196 enabled librubberband && require_pkg_config librubberband "rubberband >= 1.8.1" rubberband/rubberband-c.h rubberband_new -lstdc++ && append librubberband_extralibs "-lstdc++"
6197 enabled libshine && require_pkg_config libshine shine shine/layer3.h shine_encode_buffer
6198 enabled libsmbclient && { check_pkg_config libsmbclient smbclient libsmbclient.h smbc_init ||
6199 require libsmbclient libsmbclient.h smbc_init -lsmbclient; }
6200 enabled libsnappy && require libsnappy snappy-c.h snappy_compress -lsnappy -lstdc++
6201 enabled libsoxr && require libsoxr soxr.h soxr_create -lsoxr
6202 enabled libssh && require_pkg_config libssh libssh libssh/sftp.h sftp_init
6203 enabled libspeex && require_pkg_config libspeex speex speex/speex.h speex_decoder_init
6204 enabled libsrt && require_pkg_config libsrt "srt >= 1.3.0" srt/srt.h srt_socket
6205 enabled libtensorflow && require libtensorflow tensorflow/c/c_api.h TF_Version -ltensorflow
6206 enabled libtesseract && require_pkg_config libtesseract tesseract tesseract/capi.h TessBaseAPICreate
6207 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
6208 enabled libtls && require_pkg_config libtls libtls tls.h tls_configure
6209 enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame &&
6210 { check_lib libtwolame twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
6211 die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
6212 enabled libv4l2 && require_pkg_config libv4l2 libv4l2 libv4l2.h v4l2_ioctl
6213 enabled libvidstab && require_pkg_config libvidstab "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit
6214 enabled libvmaf && require_pkg_config libvmaf "libvmaf >= 1.3.9" libvmaf.h compute_vmaf
6215 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
6216 enabled libvorbis && require_pkg_config libvorbis vorbis vorbis/codec.h vorbis_info_init &&
6217 require_pkg_config libvorbisenc vorbisenc vorbis/vorbisenc.h vorbis_encode_init
6220 enabled libvpx_vp8_decoder && {
6221 check_pkg_config libvpx_vp8_decoder "vpx >= 1.4.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp8_dx ||
6222 check_lib libvpx_vp8_decoder "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp8_dx VPX_IMG_FMT_HIGHBITDEPTH" "-lvpx $libm_extralibs $pthreads_extralibs"
6224 enabled libvpx_vp8_encoder && {
6225 check_pkg_config libvpx_vp8_encoder "vpx >= 1.4.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp8_cx ||
6226 check_lib libvpx_vp8_encoder "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp8_cx VPX_IMG_FMT_HIGHBITDEPTH" "-lvpx $libm_extralibs $pthreads_extralibs"
6228 enabled libvpx_vp9_decoder && {
6229 check_pkg_config libvpx_vp9_decoder "vpx >= 1.4.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx ||
6230 check_lib libvpx_vp9_decoder "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx VPX_IMG_FMT_HIGHBITDEPTH" "-lvpx $libm_extralibs $pthreads_extralibs"
6232 enabled libvpx_vp9_encoder && {
6233 check_pkg_config libvpx_vp9_encoder "vpx >= 1.4.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx ||
6234 check_lib libvpx_vp9_encoder "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VPX_IMG_FMT_HIGHBITDEPTH" "-lvpx $libm_extralibs $pthreads_extralibs"
6236 if disabled_all libvpx_vp8_decoder libvpx_vp9_decoder libvpx_vp8_encoder libvpx_vp9_encoder; then
6237 die "libvpx enabled but no supported decoders found"
6241 enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack
6242 enabled libwebp && {
6243 enabled libwebp_encoder && require_pkg_config libwebp "libwebp >= 0.2.0" webp/encode.h WebPGetEncoderVersion
6244 enabled libwebp_anim_encoder && check_pkg_config libwebp_anim_encoder "libwebpmux >= 0.4.0" webp/mux.h WebPAnimEncoderOptionsInit; }
6245 enabled libx264 && { check_pkg_config libx264 x264 "stdint.h x264.h" x264_encoder_encode ||
6246 { require libx264 "stdint.h x264.h" x264_encoder_encode "-lx264 $pthreads_extralibs $libm_extralibs" &&
6247 warn "using libx264 without pkg-config"; } } &&
6248 require_cpp_condition libx264 x264.h "X264_BUILD >= 118" &&
6249 check_cpp_condition libx262 x264.h "X264_MPEG2"
6250 enabled libx265 && require_pkg_config libx265 x265 x265.h x265_api_get &&
6251 require_cpp_condition libx265 x265.h "X265_BUILD >= 68"
6252 enabled libxavs && require libxavs "stdint.h xavs.h" xavs_encoder_encode "-lxavs $pthreads_extralibs $libm_extralibs"
6253 enabled libxavs2 && require_pkg_config libxavs2 "xavs2 >= 1.3.0" "stdint.h xavs2.h" xavs2_api_get
6254 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
6255 enabled libzimg && require_pkg_config libzimg "zimg >= 2.7.0" zimg.h zimg_get_api_version
6256 enabled libzmq && require_pkg_config libzmq libzmq zmq.h zmq_ctx_new
6257 enabled libzvbi && require_pkg_config libzvbi zvbi-0.2 libzvbi.h vbi_decoder_new &&
6258 { test_cpp_condition libzvbi.h "VBI_VERSION_MAJOR > 0 || VBI_VERSION_MINOR > 2 || VBI_VERSION_MINOR == 2 && VBI_VERSION_MICRO >= 28" ||
6259 enabled gpl || die "ERROR: libzvbi requires version 0.2.28 or --enable-gpl."; }
6260 enabled libxml2 && require_pkg_config libxml2 libxml-2.0 libxml2/libxml/xmlversion.h xmlCheckVersion
6261 enabled mbedtls && { check_pkg_config mbedtls mbedtls mbedtls/x509_crt.h mbedtls_x509_crt_init ||
6262 check_pkg_config mbedtls mbedtls mbedtls/ssl.h mbedtls_ssl_init ||
6263 check_lib mbedtls mbedtls/ssl.h mbedtls_ssl_init -lmbedtls -lmbedx509 -lmbedcrypto ||
6264 die "ERROR: mbedTLS not found"; }
6265 enabled mediacodec && { enabled jni || die "ERROR: mediacodec requires --enable-jni"; }
6266 enabled mmal && { check_lib mmal interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ||
6267 { ! enabled cross_compile &&
6268 add_cflags -isystem/opt/vc/include/ -isystem/opt/vc/include/interface/vmcs_host/linux -isystem/opt/vc/include/interface/vcos/pthreads -fgnu89-inline &&
6269 add_ldflags -L/opt/vc/lib/ &&
6270 check_lib mmal interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host; } ||
6271 die "ERROR: mmal not found" &&
6272 check_func_headers interface/mmal/mmal.h "MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS"; }
6273 enabled openal && { { for al_extralibs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
6274 check_lib openal 'AL/al.h' alGetError "${al_extralibs}" && break; done } ||
6275 die "ERROR: openal not found"; } &&
6276 { test_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
6277 die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
6278 enabled opencl && { check_pkg_config opencl OpenCL CL/cl.h clEnqueueNDRangeKernel ||
6279 check_lib opencl OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||
6280 check_lib opencl CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||
6281 die "ERROR: opencl not found"; } &&
6282 { test_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||
6283 test_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||
6284 die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }
6285 enabled opengl && { check_lib opengl GL/glx.h glXGetProcAddress "-lGL" ||
6286 check_lib opengl windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||
6287 check_lib opengl OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||
6288 check_lib opengl ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||
6289 die "ERROR: opengl not found."
6291 enabled omx && require_headers OMX_Core.h
6292 enabled omx_rpi && { check_headers OMX_Core.h ||
6293 { ! enabled cross_compile && add_cflags -isystem/opt/vc/include/IL && check_headers OMX_Core.h ; } ||
6294 die "ERROR: OpenMAX IL headers not found"; } && enable omx
6295 enabled openssl && { check_pkg_config openssl openssl openssl/ssl.h OPENSSL_init_ssl ||
6296 check_pkg_config openssl openssl openssl/ssl.h SSL_library_init ||
6297 check_lib openssl openssl/ssl.h SSL_library_init -lssl -lcrypto ||
6298 check_lib openssl openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
6299 check_lib openssl openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
6300 die "ERROR: openssl not found"; }
6301 enabled rkmpp && { require_pkg_config rkmpp rockchip_mpp rockchip/rk_mpi.h mpp_create &&
6302 require_pkg_config rockchip_mpp "rockchip_mpp >= 1.3.7" rockchip/rk_mpi.h mpp_create &&
6304 die "ERROR: rkmpp requires --enable-libdrm"; }
6306 enabled vapoursynth && require_pkg_config vapoursynth "vapoursynth-script >= 42" VSScript.h vsscript_init
6309 if enabled gcrypt; then
6310 GCRYPT_CONFIG="${cross_prefix}libgcrypt-config"
6311 if "${GCRYPT_CONFIG}" --version > /dev/null 2>&1; then
6312 gcrypt_cflags=$("${GCRYPT_CONFIG}" --cflags)
6313 gcrypt_extralibs=$("${GCRYPT_CONFIG}" --libs)
6314 check_func_headers gcrypt.h gcry_mpi_new $gcrypt_cflags $gcrypt_extralibs ||
6315 die "ERROR: gcrypt not found"
6316 add_cflags $gcrypt_cflags
6318 require gcrypt gcrypt.h gcry_mpi_new -lgcrypt
6322 if enabled sdl2; then
6323 SDL2_CONFIG="${cross_prefix}sdl2-config"
6324 test_pkg_config sdl2 "sdl2 >= 2.0.1 sdl2 < 2.1.0" SDL_events.h SDL_PollEvent
6325 if disabled sdl2 && "${SDL2_CONFIG}" --version > /dev/null 2>&1; then
6326 sdl2_cflags=$("${SDL2_CONFIG}" --cflags)
6327 sdl2_extralibs=$("${SDL2_CONFIG}" --libs)
6328 test_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x020001" $sdl2_cflags &&
6329 test_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x020100" $sdl2_cflags &&
6330 check_func_headers SDL_events.h SDL_PollEvent $sdl2_extralibs $sdl2_cflags &&
6333 if test $target_os = "mingw32"; then
6334 sdl2_extralibs=$(filter_out '-mwindows' $sdl2_extralibs)
6338 if enabled decklink; then
6340 mingw32*|mingw64*|win32|win64)
6341 decklink_outdev_extralibs="$decklink_outdev_extralibs -lole32 -loleaut32"
6342 decklink_indev_extralibs="$decklink_indev_extralibs -lole32 -loleaut32"
6347 enabled securetransport &&
6348 check_func SecIdentityCreate "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&
6349 check_lib securetransport "Security/SecureTransport.h Security/Security.h" "SSLCreateContext" "-Wl,-framework,CoreFoundation -Wl,-framework,Security" ||
6350 disable securetransport
6352 enabled securetransport &&
6353 check_func SecItemImport "-Wl,-framework,CoreFoundation -Wl,-framework,Security"
6356 check_func_headers "windows.h security.h" InitializeSecurityContext -DSECURITY_WIN32 -lsecur32 &&
6357 test_cpp_condition winerror.h "defined(SEC_I_CONTEXT_EXPIRED)" &&
6358 schannel_extralibs="-lsecur32" ||
6361 makeinfo --version > /dev/null 2>&1 && enable makeinfo || disable makeinfo
6363 && [ 0$(makeinfo --version | grep "texinfo" | sed 's/.*texinfo[^0-9]*\([0-9]*\)\..*/\1/') -ge 5 ] \
6364 && enable makeinfo_html || disable makeinfo_html
6365 disabled makeinfo_html && texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
6366 perl -v > /dev/null 2>&1 && enable perl || disable perl
6367 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
6368 rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout
6370 # check V4L2 codecs available in the API
6371 check_headers linux/fb.h
6372 check_headers linux/videodev2.h
6373 test_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_sanitized struct_v4l2_frmivalenum_discrete
6374 check_cc v4l2_m2m linux/videodev2.h "int i = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_VIDEO_M2M | V4L2_BUF_FLAG_LAST;"
6375 check_cc vc1_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_VC1_ANNEX_G;"
6376 check_cc mpeg1_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG1;"
6377 check_cc mpeg2_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG2;"
6378 check_cc mpeg4_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG4;"
6379 check_cc hevc_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_HEVC;"
6380 check_cc h263_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_H263;"
6381 check_cc h264_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_H264;"
6382 check_cc vp8_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_VP8;"
6383 check_cc vp9_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_VP9;"
6385 check_headers sys/videoio.h
6386 test_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_sanitized struct_v4l2_frmivalenum_discrete
6388 check_lib user32 "windows.h winuser.h" GetShellWindow -luser32
6389 check_lib vfw32 "windows.h vfw.h" capCreateCaptureWindow -lvfw32
6390 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
6391 # w32api 3.12 had it defined wrong
6392 check_cpp_condition vfwcap_defines vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER"
6394 check_type "dshow.h" IBaseFilter
6396 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
6397 check_headers "dev/bktr/ioctl_meteor.h dev/bktr/ioctl_bt848.h" ||
6398 check_headers "machine/ioctl_meteor.h machine/ioctl_bt848.h" ||
6399 check_headers "dev/video/meteor/ioctl_meteor.h dev/video/bktr/ioctl_bt848.h" ||
6400 check_headers "dev/ic/bt8xx.h"
6402 if check_struct sys/soundcard.h audio_buf_info bytes; then
6403 enable_sanitized sys/soundcard.h
6405 test_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_sanitized sys/soundcard.h
6406 #include <sys/soundcard.h>
6411 enabled alsa && check_pkg_config alsa alsa "alsa/asoundlib.h" snd_pcm_htimestamp ||
6412 check_lib alsa alsa/asoundlib.h snd_pcm_htimestamp -lasound
6415 require_pkg_config libjack jack jack/jack.h jack_port_get_latency_range
6417 enabled sndio && check_lib sndio sndio.h sio_open -lsndio
6419 if enabled libcdio; then
6420 check_pkg_config libcdio libcdio_paranoia "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open ||
6421 check_pkg_config libcdio libcdio_paranoia "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open ||
6422 check_lib libcdio "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
6423 check_lib libcdio "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
6424 die "ERROR: No usable libcdio/cdparanoia found"
6427 enabled libxcb && check_pkg_config libxcb "xcb >= 1.4" xcb/xcb.h xcb_connect ||
6428 disable libxcb_shm libxcb_shape libxcb_xfixes
6430 if enabled libxcb; then
6431 enabled libxcb_shm && check_pkg_config libxcb_shm xcb-shm xcb/shm.h xcb_shm_attach
6432 enabled libxcb_shape && check_pkg_config libxcb_shape xcb-shape xcb/shape.h xcb_shape_get_rectangles
6433 enabled libxcb_xfixes && check_pkg_config libxcb_xfixes xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image
6436 check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs"
6438 # d3d11va requires linking directly to dxgi and d3d11 if not building for
6439 # the desktop api partition
6440 test_cpp <<EOF && enable uwp && d3d11va_extralibs="-ldxgi -ld3d11"
6441 #ifdef WINAPI_FAMILY
6442 #include <winapifamily.h>
6443 #if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
6444 #error desktop, not uwp
6446 // WINAPI_FAMILY_APP, WINAPI_FAMILY_PHONE_APP => UWP
6449 #error no family set
6454 check_pkg_config vaapi "libva >= 0.35.0" "va/va.h" vaInitialize
6456 if enabled vaapi; then
6457 check_pkg_config vaapi_drm "libva-drm" "va/va_drm.h" vaGetDisplayDRM
6459 if enabled xlib; then
6460 check_pkg_config vaapi_x11 "libva-x11" "va/va_x11.h" vaGetDisplay
6463 check_cpp_condition vaapi_1 "va/va.h" "VA_CHECK_VERSION(1, 0, 0)"
6466 if enabled_all opencl libdrm ; then
6467 check_type "CL/cl_intel.h" "clCreateImageFromFdINTEL_fn" &&
6468 enable opencl_drm_beignet
6469 check_func_headers "CL/cl_ext.h" clImportMemoryARM &&
6470 enable opencl_drm_arm
6473 if enabled_all opencl vaapi ; then
6474 if enabled opencl_drm_beignet ; then
6475 enable opencl_vaapi_beignet
6477 check_type "CL/cl.h CL/cl_va_api_media_sharing_intel.h" "clCreateFromVA_APIMediaSurfaceINTEL_fn" &&
6478 enable opencl_vaapi_intel_media
6482 if enabled_all opencl dxva2 ; then
6483 check_type "CL/cl_dx9_media_sharing.h" cl_dx9_surface_info_khr &&
6487 if enabled_all opencl d3d11va ; then
6488 check_type "CL/cl_d3d11.h" clGetDeviceIDsFromD3D11KHR_fn &&
6493 check_cpp_condition vdpau vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP"
6496 check_lib vdpau_x11 "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau -lX11
6498 enabled crystalhd && check_lib crystalhd "stdint.h libcrystalhd/libcrystalhd_if.h" DtsCrystalHDVersion -lcrystalhd
6500 if enabled x86; then
6502 mingw32*|mingw64*|win32|win64|linux|cygwin*)
6505 disable ffnvcodec cuvid nvdec nvenc
6509 disable ffnvcodec cuvid nvdec nvenc
6512 enabled ffnvcodec && enable cuda
6515 test_cc -I$source_path <<EOF || disable nvenc
6516 #include <ffnvcodec/nvEncodeAPI.h>
6517 NV_ENCODE_API_FUNCTION_LIST flist;
6518 void f(void) { struct { const GUID guid; } s[] = { { NV_ENC_PRESET_HQ_GUID } }; }
6519 int main(void) { return 0; }
6523 check_cpp_condition amf "AMF/core/Version.h" \
6524 "(AMF_VERSION_MAJOR << 48 | AMF_VERSION_MINOR << 32 | AMF_VERSION_RELEASE << 16 | AMF_VERSION_BUILD_NUM) >= 0x0001000400040001"
6526 # Funny iconv installations are not unusual, so check it after all flags have been set
6527 if enabled libc_iconv; then
6528 check_func_headers iconv.h iconv
6529 elif enabled iconv; then
6530 check_func_headers iconv.h iconv || check_lib iconv iconv.h iconv -liconv
6533 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
6535 # add some useful compiler flags if supported
6536 check_cflags -Wdeclaration-after-statement
6538 check_cflags -Wdisabled-optimization
6539 check_cflags -Wpointer-arith
6540 check_cflags -Wredundant-decls
6541 check_cflags -Wwrite-strings
6542 check_cflags -Wtype-limits
6543 check_cflags -Wundef
6544 check_cflags -Wmissing-prototypes
6545 check_cflags -Wno-pointer-to-int-cast
6546 check_cflags -Wstrict-prototypes
6547 check_cflags -Wempty-body
6549 if enabled extra_warnings; then
6550 check_cflags -Wcast-qual
6551 check_cflags -Wextra
6552 check_cflags -Wpedantic
6555 check_disable_warning(){
6556 warning_flag=-W${1#-Wno-}
6557 test_cflags $unknown_warning_flags $warning_flag && add_cflags $1
6560 test_cflags -Werror=unused-command-line-argument &&
6561 append unknown_warning_flags "-Werror=unused-command-line-argument"
6562 test_cflags -Werror=unknown-warning-option &&
6563 append unknown_warning_flags "-Werror=unknown-warning-option"
6565 check_disable_warning -Wno-parentheses
6566 check_disable_warning -Wno-switch
6567 check_disable_warning -Wno-format-zero-length
6568 check_disable_warning -Wno-pointer-sign
6569 check_disable_warning -Wno-unused-const-variable
6570 check_disable_warning -Wno-bool-operation
6571 check_disable_warning -Wno-char-subscripts
6573 check_disable_warning_headers(){
6574 warning_flag=-W${1#-Wno-}
6575 test_cflags $warning_flag && add_cflags_headers $1
6578 check_disable_warning_headers -Wno-deprecated-declarations
6579 check_disable_warning_headers -Wno-unused-variable
6581 test_cc <<EOF && enable blocks_extension
6582 void (^block)(void);
6585 # add some linker flags
6586 check_ldflags -Wl,--warn-common
6587 check_ldflags -Wl,-rpath-link=:libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
6588 enabled rpath && add_ldexeflags -Wl,-rpath,$libdir && add_ldsoflags -Wl,-rpath,$libdir
6589 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
6591 # add some strip flags
6594 enabled neon_clobber_test &&
6595 check_ldflags -Wl,--wrap,avcodec_open2 \
6596 -Wl,--wrap,avcodec_decode_audio4 \
6597 -Wl,--wrap,avcodec_decode_video2 \
6598 -Wl,--wrap,avcodec_decode_subtitle2 \
6599 -Wl,--wrap,avcodec_encode_audio2 \
6600 -Wl,--wrap,avcodec_encode_video2 \
6601 -Wl,--wrap,avcodec_encode_subtitle \
6602 -Wl,--wrap,avcodec_send_packet \
6603 -Wl,--wrap,avcodec_receive_packet \
6604 -Wl,--wrap,avcodec_send_frame \
6605 -Wl,--wrap,avcodec_receive_frame \
6606 -Wl,--wrap,swr_convert \
6607 -Wl,--wrap,avresample_convert ||
6608 disable neon_clobber_test
6610 enabled xmm_clobber_test &&
6611 check_ldflags -Wl,--wrap,avcodec_open2 \
6612 -Wl,--wrap,avcodec_decode_audio4 \
6613 -Wl,--wrap,avcodec_decode_video2 \
6614 -Wl,--wrap,avcodec_decode_subtitle2 \
6615 -Wl,--wrap,avcodec_encode_audio2 \
6616 -Wl,--wrap,avcodec_encode_video2 \
6617 -Wl,--wrap,avcodec_encode_subtitle \
6618 -Wl,--wrap,avcodec_send_packet \
6619 -Wl,--wrap,avcodec_receive_packet \
6620 -Wl,--wrap,avcodec_send_frame \
6621 -Wl,--wrap,avcodec_receive_frame \
6622 -Wl,--wrap,swr_convert \
6623 -Wl,--wrap,avresample_convert \
6624 -Wl,--wrap,sws_scale ||
6625 disable xmm_clobber_test
6627 check_ld "cc" proper_dce <<EOF
6628 extern const int array[512];
6629 static inline int func(void) { return array[0]; }
6630 int main(void) { return 0; }
6633 if enabled proper_dce; then
6634 echo "X { local: *; };" > $TMPV
6635 if test_ldflags -Wl,${version_script},$TMPV; then
6636 append SHFLAGS '-Wl,${version_script},\$(SUBDIR)lib\$(NAME).ver'
6638 test_cc <<EOF && enable symver_asm_label
6639 void ff_foo(void) __asm__ ("av_foo@VERSION");
6640 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
6642 test_cc <<EOF && enable symver_gnu_asm
6643 __asm__(".symver ff_foo,av_foo@VERSION");
6644 void ff_foo(void) {}
6649 if [ -z "$optflags" ]; then
6650 if enabled small; then
6651 optflags=$cflags_size
6652 elif enabled optimizations; then
6653 optflags=$cflags_speed
6655 optflags=$cflags_noopt
6659 if [ -z "$nvccflags" ]; then
6660 nvccflags=$nvccflags_default
6663 if enabled x86_64 || enabled ppc64 || enabled aarch64; then
6664 nvccflags="$nvccflags -m64"
6666 nvccflags="$nvccflags -m32"
6671 enabled lto && check_ldflags "$@"
6674 check_optflags $optflags
6675 check_optflags -fno-math-errno
6676 check_optflags -fno-signed-zeros
6678 if enabled lto; then
6679 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
6681 check_ldflags -flto $cpuflags
6682 disable inline_asm_direct_symbol_refs
6685 enabled ftrapv && check_cflags -ftrapv
6687 test_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
6692 if enabled icc; then
6693 # Just warnings, no remarks
6695 # -wd: Disable following warnings
6696 # 144, 167, 556: -Wno-pointer-sign
6697 # 188: enumerated type mixed with another type
6698 # 1292: attribute "foo" ignored
6699 # 1419: external declaration in primary source file
6700 # 10006: ignoring unknown option -fno-signed-zeros
6701 # 10148: ignoring unknown option -Wno-parentheses
6702 # 10156: ignoring option '-W'; no argument required
6703 # 13200: No EMMS instruction before call to function
6704 # 13203: No EMMS instruction before return from function
6705 check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156,13200,13203
6706 # 11030: Warning unknown option --as-needed
6707 # 10156: ignoring option '-export'; no argument required
6708 check_ldflags -wd10156,11030
6709 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
6710 enable ebp_available
6711 # The test above does not test linking
6712 enabled lto && disable symver_asm_label
6713 if enabled x86_32; then
6714 icc_version=$($cc -dumpversion)
6715 test ${icc_version%%.*} -ge 11 &&
6716 check_cflags -falign-stack=maintain-16-byte ||
6717 disable aligned_stack
6719 elif enabled gcc; then
6720 check_optflags -fno-tree-vectorize
6721 check_cflags -Werror=format-security
6722 check_cflags -Werror=implicit-function-declaration
6723 check_cflags -Werror=missing-prototypes
6724 check_cflags -Werror=return-type
6725 check_cflags -Werror=vla
6726 check_cflags -Wformat
6727 check_cflags -fdiagnostics-color=auto
6728 enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized
6729 if enabled x86_32; then
6732 # BSDs don't guarantee a 16 byte aligned stack, but we can
6733 # request GCC to try to maintain 16 byte alignment throughout
6734 # function calls. Library entry points that might call assembly
6735 # functions align the stack. (The parameter means 2^4 bytes.)
6736 check_cflags -mpreferred-stack-boundary=4
6740 elif enabled llvm_gcc; then
6741 check_cflags -mllvm -stack-alignment=16
6742 elif enabled clang; then
6743 if enabled x86_32; then
6744 # Clang doesn't support maintaining alignment without assuming the
6745 # same alignment in every function. If 16 byte alignment would be
6746 # enabled, one would also have to either add attribute_align_arg on
6747 # every single entry point into the libraries or enable -mstackrealign
6748 # (doing stack realignment in every single function).
6750 mingw32|win32|*bsd*)
6751 disable aligned_stack
6754 check_cflags -mllvm -stack-alignment=16
6755 check_cflags -mstack-alignment=16
6759 check_cflags -mllvm -stack-alignment=16
6760 check_cflags -mstack-alignment=16
6762 check_cflags -Qunused-arguments
6763 check_cflags -Werror=implicit-function-declaration
6764 check_cflags -Werror=missing-prototypes
6765 check_cflags -Werror=return-type
6766 elif enabled cparser; then
6767 add_cflags -Wno-missing-variable-declarations
6768 add_cflags -Wno-empty-statement
6769 elif enabled armcc; then
6770 add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat
6771 add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir
6772 # 2523: use of inline assembly is deprecated
6773 add_cflags -W${armcc_opt},--diag_suppress=2523
6774 add_cflags -W${armcc_opt},--diag_suppress=1207
6775 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
6776 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
6777 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
6778 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
6779 elif enabled pathscale; then
6780 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
6782 elif enabled_any msvc icl; then
6783 enabled x86_32 && disable aligned_stack
6784 enabled_all x86_32 debug && add_cflags -Oy-
6785 enabled debug && add_ldflags -debug
6786 enable pragma_deprecated
6787 if enabled icl; then
6788 # -Qansi-alias is basically -fstrict-aliasing, but does not work
6789 # (correctly) on icl 13.x.
6790 test_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&
6791 add_cflags -Qansi-alias
6792 # Some inline asm is not compilable in debug
6793 if enabled debug; then
6794 disable ebp_available
6795 disable ebx_available
6798 # msvcrt10 x64 incorrectly enables log2, only msvcrt12 (MSVC 2013) onwards actually has log2.
6799 check_cpp_condition log2 crtversion.h "_VC_CRT_MAJOR_VERSION >= 12"
6800 # The CRT headers contain __declspec(restrict) in a few places, but if redefining
6801 # restrict, this might break. MSVC 2010 and 2012 fail with __declspec(__restrict)
6802 # (as it ends up if the restrict redefine is done before including stdlib.h), while
6803 # MSVC 2013 and newer can handle it fine.
6804 # If this declspec fails, force including stdlib.h before the restrict redefinition
6805 # happens in config.h.
6806 if [ $restrict_keyword != restrict ]; then
6807 test_cc <<EOF || add_cflags -FIstdlib.h
6808 __declspec($restrict_keyword) void *foo(int);
6811 # the new SSA optimzer in VS2015 U3 is mis-optimizing some parts of the code
6812 # Issue has been fixed in MSVC v19.00.24218.
6813 test_cpp_condition windows.h "_MSC_FULL_VER >= 190024218" ||
6814 check_cflags -d2SSAOptimizer-
6815 # enable utf-8 source processing on VS2015 U2 and newer
6816 test_cpp_condition windows.h "_MSC_FULL_VER >= 190023918" &&
6820 for pfx in "" host_; do
6821 varname=${pfx%_}cc_type
6822 eval "type=\$$varname"
6823 if [ "$type" = "msvc" ]; then
6824 test_${pfx}cc <<EOF || add_${pfx}cflags -Dinline=__inline
6825 static inline int foo(int a) { return a; }
6832 add_asflags -Qunused-arguments
6838 check_ldflags -Qunused-arguments
6842 enable frame_thread_encoder
6844 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
6846 check_deps $CONFIG_LIST \
6851 enabled threads && ! enabled pthreads && ! enabled atomics_native && die "non pthread threading without atomics not supported, try adding --enable-pthreads or --cpu=i486 or higher if you are on x86"
6852 enabled avresample && warn "Building with deprecated library libavresample"
6857 disable posix_memalign
6859 *-dos|freedos|opendos)
6860 if test_cpp_condition sys/version.h "defined(__DJGPP__) && __DJGPP__ == 2 && __DJGPP_MINOR__ == 5"; then
6866 flatten_extralibs(){
6870 for entry in $list; do
6874 for e in $entry_copy; do
6876 *_extralibs) nested_entries="$nested_entries$e ";;
6877 *) flat_entries="$flat_entries$e ";;
6880 eval $entry="\$flat_entries"
6882 append $list_name "$nested_entries"
6884 resolve nested_entries
6885 if test -n "$(filter '*_extralibs' $nested_entries)"; then
6886 flatten_extralibs $list_name
6890 flatten_extralibs_wrapper(){
6892 flatten_extralibs $list_name
6895 eval $list_name=\$\(\$ldflags_filter \$$list_name\)
6896 eval printf \''%s'\' \""\$$list_name"\"
6899 for linkunit in $LIBRARY_LIST; do
6900 unset current_extralibs
6901 eval components=\$$(toupper ${linkunit})_COMPONENTS_LIST
6902 for comp in ${components}; do
6903 enabled $comp || continue
6904 comp_extralibs="${comp}_extralibs"
6905 append current_extralibs $comp_extralibs
6907 eval prepend ${linkunit}_extralibs $current_extralibs
6910 for linkunit in $LIBRARY_LIST $PROGRAM_LIST $EXTRALIBS_LIST; do
6911 eval ${linkunit}_extralibs=\$\(flatten_extralibs_wrapper ${linkunit}_extralibs\)
6914 map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST
6916 for thread in $THREADS_LIST; do
6917 if enabled $thread; then
6918 test -n "$thread_type" &&
6919 die "ERROR: Only one thread type must be selected." ||
6920 thread_type="$thread"
6924 if disabled stdatomic; then
6925 if enabled atomics_gcc; then
6926 add_cppflags '-I\$(SRC_PATH)/compat/atomics/gcc'
6927 elif enabled atomics_win32; then
6928 add_cppflags '-I\$(SRC_PATH)/compat/atomics/win32'
6929 elif enabled atomics_suncc; then
6930 add_cppflags '-I\$(SRC_PATH)/compat/atomics/suncc'
6931 elif enabled pthreads; then
6932 add_compat atomics/pthread/stdatomic.o
6933 add_cppflags '-I\$(SRC_PATH)/compat/atomics/pthread'
6935 enabled threads && die "Threading is enabled, but no atomics are available"
6936 add_cppflags '-I\$(SRC_PATH)/compat/atomics/dummy'
6940 # Check if requested libraries were found.
6941 for lib in $AUTODETECT_LIBS; do
6942 requested $lib && ! enabled $lib && die "ERROR: $lib requested but not found";
6945 enabled zlib && add_cppflags -DZLIB_CONST
6947 # conditional library dependencies, in any order
6948 enabled afftdn_filter && prepend avfilter_deps "avcodec"
6949 enabled afftfilt_filter && prepend avfilter_deps "avcodec"
6950 enabled afir_filter && prepend avfilter_deps "avcodec"
6951 enabled amovie_filter && prepend avfilter_deps "avformat avcodec"
6952 enabled aresample_filter && prepend avfilter_deps "swresample"
6953 enabled atempo_filter && prepend avfilter_deps "avcodec"
6954 enabled bm3d_filter && prepend avfilter_deps "avcodec"
6955 enabled cover_rect_filter && prepend avfilter_deps "avformat avcodec"
6956 enabled convolve_filter && prepend avfilter_deps "avcodec"
6957 enabled deconvolve_filter && prepend avfilter_deps "avcodec"
6958 enabled ebur128_filter && enabled swresample && prepend avfilter_deps "swresample"
6959 enabled elbg_filter && prepend avfilter_deps "avcodec"
6960 enabled fftfilt_filter && prepend avfilter_deps "avcodec"
6961 enabled find_rect_filter && prepend avfilter_deps "avformat avcodec"
6962 enabled firequalizer_filter && prepend avfilter_deps "avcodec"
6963 enabled mcdeint_filter && prepend avfilter_deps "avcodec"
6964 enabled movie_filter && prepend avfilter_deps "avformat avcodec"
6965 enabled pan_filter && prepend avfilter_deps "swresample"
6966 enabled pp_filter && prepend avfilter_deps "postproc"
6967 enabled removelogo_filter && prepend avfilter_deps "avformat avcodec swscale"
6968 enabled resample_filter && prepend avfilter_deps "avresample"
6969 enabled sab_filter && prepend avfilter_deps "swscale"
6970 enabled scale_filter && prepend avfilter_deps "swscale"
6971 enabled scale2ref_filter && prepend avfilter_deps "swscale"
6972 enabled sofalizer_filter && prepend avfilter_deps "avcodec"
6973 enabled showcqt_filter && prepend avfilter_deps "avformat avcodec swscale"
6974 enabled showfreqs_filter && prepend avfilter_deps "avcodec"
6975 enabled showspectrum_filter && prepend avfilter_deps "avcodec"
6976 enabled signature_filter && prepend avfilter_deps "avcodec avformat"
6977 enabled smartblur_filter && prepend avfilter_deps "swscale"
6978 enabled spectrumsynth_filter && prepend avfilter_deps "avcodec"
6979 enabled spp_filter && prepend avfilter_deps "avcodec"
6980 enabled sr_filter && prepend avfilter_deps "avformat swscale"
6981 enabled subtitles_filter && prepend avfilter_deps "avformat avcodec"
6982 enabled uspp_filter && prepend avfilter_deps "avcodec"
6983 enabled zoompan_filter && prepend avfilter_deps "swscale"
6985 enabled lavfi_indev && prepend avdevice_deps "avfilter"
6988 enabled_any sdl2_outdev opengl_outdev && enabled sdl2 &&
6989 add_cflags $(filter_out '-Dmain=SDL_main' $sdl2_cflags)
6991 enabled opus_decoder && prepend avcodec_deps "swresample"
6993 # reorder the items at var $1 to align with the items order at var $2 .
6994 # die if an item at $1 is not at $2 .
6997 eval rb_ordered=\$$2
6999 for rb in $rb_in; do
7000 is_in $rb $rb_ordered || die "$rb at \$$1 is not at \$$2"
7004 for rb in $rb_ordered; do
7005 is_in $rb $rb_in && rb_out="$rb_out$rb "
7010 # deps-expand fflib $1: N x {append all expanded deps; unique}
7011 # within a set of N items, N expansions are enough to expose a cycle.
7013 unique ${1}_deps # required for the early break test.
7014 for dummy in $LIBRARY_LIST; do # N iteratios
7015 eval deps=\$${1}_deps
7016 append ${1}_deps $(map 'eval echo \$${v}_deps' $deps)
7018 eval '[ ${#deps} = ${#'${1}_deps'} ]' && break # doesn't expand anymore
7021 eval is_in $1 \$${1}_deps && die "Dependency cycle at ${1}_deps"
7022 reorder_by ${1}_deps LIBRARY_LIST # linking order is expected later
7025 #we have to remove gpl from the deps here as some code assumes all lib deps are libs
7026 postproc_deps="$(filter_out 'gpl' $postproc_deps)"
7028 map 'expand_deps $v' $LIBRARY_LIST
7030 if test "$quiet" != "yes"; then
7032 echo "install prefix $prefix"
7033 echo "source path $source_path"
7034 echo "C compiler $cc"
7035 echo "C library $libc_type"
7036 if test "$host_cc" != "$cc"; then
7037 echo "host C compiler $host_cc"
7038 echo "host C library $host_libc_type"
7040 echo "ARCH $arch ($cpu)"
7041 if test "$build_suffix" != ""; then
7042 echo "build suffix $build_suffix"
7044 if test "$progs_suffix" != ""; then
7045 echo "progs suffix $progs_suffix"
7047 if test "$extra_version" != ""; then
7048 echo "version string suffix $extra_version"
7050 echo "big-endian ${bigendian-no}"
7051 echo "runtime cpu detection ${runtime_cpudetect-no}"
7052 if enabled x86; then
7053 echo "standalone assembly ${x86asm-no}"
7054 echo "x86 assembler ${x86asmexe}"
7055 echo "MMX enabled ${mmx-no}"
7056 echo "MMXEXT enabled ${mmxext-no}"
7057 echo "3DNow! enabled ${amd3dnow-no}"
7058 echo "3DNow! extended enabled ${amd3dnowext-no}"
7059 echo "SSE enabled ${sse-no}"
7060 echo "SSSE3 enabled ${ssse3-no}"
7061 echo "AESNI enabled ${aesni-no}"
7062 echo "AVX enabled ${avx-no}"
7063 echo "AVX2 enabled ${avx2-no}"
7064 echo "AVX-512 enabled ${avx512-no}"
7065 echo "XOP enabled ${xop-no}"
7066 echo "FMA3 enabled ${fma3-no}"
7067 echo "FMA4 enabled ${fma4-no}"
7068 echo "i686 features enabled ${i686-no}"
7069 echo "CMOV is fast ${fast_cmov-no}"
7070 echo "EBX available ${ebx_available-no}"
7071 echo "EBP available ${ebp_available-no}"
7073 if enabled aarch64; then
7074 echo "NEON enabled ${neon-no}"
7075 echo "VFP enabled ${vfp-no}"
7077 if enabled arm; then
7078 echo "ARMv5TE enabled ${armv5te-no}"
7079 echo "ARMv6 enabled ${armv6-no}"
7080 echo "ARMv6T2 enabled ${armv6t2-no}"
7081 echo "VFP enabled ${vfp-no}"
7082 echo "NEON enabled ${neon-no}"
7083 echo "THUMB enabled ${thumb-no}"
7085 if enabled mips; then
7086 echo "MIPS FPU enabled ${mipsfpu-no}"
7087 echo "MIPS DSP R1 enabled ${mipsdsp-no}"
7088 echo "MIPS DSP R2 enabled ${mipsdspr2-no}"
7089 echo "MIPS MSA enabled ${msa-no}"
7090 echo "LOONGSON MMI enabled ${mmi-no}"
7092 if enabled ppc; then
7093 echo "AltiVec enabled ${altivec-no}"
7094 echo "VSX enabled ${vsx-no}"
7095 echo "POWER8 enabled ${power8-no}"
7096 echo "PPC 4xx optimizations ${ppc4xx-no}"
7097 echo "dcbzl available ${dcbzl-no}"
7099 echo "debug symbols ${debug-no}"
7100 echo "strip symbols ${stripping-no}"
7101 echo "optimize for size ${small-no}"
7102 echo "optimizations ${optimizations-no}"
7103 echo "static ${static-no}"
7104 echo "shared ${shared-no}"
7105 echo "postprocessing support ${postproc-no}"
7106 echo "network support ${network-no}"
7107 echo "threading support ${thread_type-no}"
7108 echo "safe bitstream reader ${safe_bitstream_reader-no}"
7109 echo "texi2html enabled ${texi2html-no}"
7110 echo "perl enabled ${perl-no}"
7111 echo "pod2man enabled ${pod2man-no}"
7112 echo "makeinfo enabled ${makeinfo-no}"
7113 echo "makeinfo supports HTML ${makeinfo_html-no}"
7114 test -n "$random_seed" &&
7115 echo "random seed ${random_seed}"
7118 echo "External libraries:"
7119 print_enabled '' $EXTERNAL_LIBRARY_LIST $EXTERNAL_AUTODETECT_LIBRARY_LIST | print_in_columns
7122 echo "External libraries providing hardware acceleration:"
7123 print_enabled '' $HWACCEL_LIBRARY_LIST $HWACCEL_AUTODETECT_LIBRARY_LIST | print_in_columns
7127 print_enabled '' $LIBRARY_LIST | print_in_columns
7131 print_enabled '' $PROGRAM_LIST | print_in_columns
7134 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
7135 echo "Enabled ${type}s:"
7136 eval list=\$$(toupper $type)_LIST
7137 print_enabled '_*' $list | print_in_columns
7141 if test -n "$ignore_tests"; then
7142 ignore_tests=$(echo $ignore_tests | tr ',' ' ')
7143 echo "Ignored FATE tests:"
7144 echo $ignore_tests | print_in_columns
7148 echo "License: $license"
7150 fi # test "$quiet" != "yes"
7152 if test -n "$WARN_IF_GETS_DISABLED_LIST"; then
7153 for cfg in $WARN_IF_GETS_DISABLED_LIST; do
7154 if disabled $cfg; then
7155 varname=${cfg}_disable_reason
7156 eval "warn \"Disabled $cfg because \$$varname\""
7161 if test -n "$WARNINGS"; then
7162 printf "\n%s%s$WARNINGS%s" "$warn_color" "$bold_color" "$reset_color"
7163 enabled fatal_warnings && exit 1
7166 test -e Makefile || echo "include $source_path/Makefile" > Makefile
7169 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
7172 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" > ffbuild/config.fate
7174 enabled stripping || strip="echo skipping strip"
7175 enabled stripping || striptype=""
7177 config_files="$TMPH ffbuild/config.mak doc/config.texi"
7179 cat > ffbuild/config.mak <<EOF
7180 # Automatically generated by configure - do not modify!
7181 ifndef FFMPEG_CONFIG_MAK
7183 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
7185 LIBDIR=\$(DESTDIR)$libdir
7186 SHLIBDIR=\$(DESTDIR)$shlibdir
7187 INCDIR=\$(DESTDIR)$incdir
7188 BINDIR=\$(DESTDIR)$bindir
7189 DATADIR=\$(DESTDIR)$datadir
7190 DOCDIR=\$(DESTDIR)$docdir
7191 MANDIR=\$(DESTDIR)$mandir
7192 PKGCONFIGDIR=\$(DESTDIR)$pkgconfigdir
7193 INSTALL_NAME_DIR=$install_name_dir
7194 SRC_PATH=$source_path
7195 SRC_LINK=$source_link
7196 ifndef MAIN_MAKEFILE
7197 SRC_PATH:=\$(SRC_PATH:.%=..%)
7201 INTRINSICS=$intrinsics
7202 EXTERN_PREFIX=$extern_prefix
7209 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
7211 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
7213 DEPX86ASM=$x86asmexe
7214 DEPX86ASMFLAGS=\$(X86ASMFLAGS)
7222 STRIPTYPE=$striptype
7229 OBJCFLAGS=$OBJCFLAGS
7231 NVCCFLAGS=$nvccflags
7253 LDEXEFLAGS=$LDEXEFLAGS
7254 LDSOFLAGS=$LDSOFLAGS
7255 SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
7256 ASMSTRIPFLAGS=$ASMSTRIPFLAGS
7257 X86ASMFLAGS=$X86ASMFLAGS
7258 BUILDSUF=$build_suffix
7259 PROGSSUF=$progs_suffix
7267 EXTRA_VERSION=$extra_version
7270 CCDEP_FLAGS=$CCDEP_FLAGS
7272 ASDEP_FLAGS=$ASDEP_FLAGS
7273 X86ASMDEP=$X86ASMDEP
7274 X86ASMDEP_FLAGS=$X86ASMDEP_FLAGS
7275 CC_DEPFLAGS=$CC_DEPFLAGS
7276 AS_DEPFLAGS=$AS_DEPFLAGS
7277 X86ASM_DEPFLAGS=$X86ASM_DEPFLAGS
7280 HOSTCFLAGS=$host_cflags
7281 HOSTCPPFLAGS=$host_cppflags
7282 HOSTEXESUF=$HOSTEXESUF
7283 HOSTLDFLAGS=$host_ldflags
7284 HOSTEXTRALIBS=$host_extralibs
7286 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
7287 HOSTCCDEP=$HOSTCCDEP
7288 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
7289 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
7293 TARGET_EXEC=$target_exec $target_exec_args
7294 TARGET_PATH=$target_path
7295 TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}
7296 CFLAGS-ffplay=${sdl2_cflags}
7297 CFLAGS_HEADERS=$CFLAGS_HEADERS
7298 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
7299 EXTRALIBS=$extralibs
7300 COMPAT_OBJS=$compat_objs
7302 LIBTARGET=${LIBTARGET}
7303 SLIBNAME=${SLIBNAME}
7304 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
7305 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
7306 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
7307 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
7308 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
7309 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
7310 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
7311 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
7312 VERSION_SCRIPT_POSTPROCESS_CMD=${VERSION_SCRIPT_POSTPROCESS_CMD}
7313 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
7314 NOREDZONE_FLAGS=$noredzone_flags
7315 LIBFUZZER_PATH=$libfuzzer_path
7316 IGNORE_TESTS=$ignore_tests
7319 map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> ffbuild/config.mak' $LIBRARY_LIST
7321 for entry in $LIBRARY_LIST $PROGRAM_LIST $EXTRALIBS_LIST; do
7322 eval echo "EXTRALIBS-${entry}=\$${entry}_extralibs" >> ffbuild/config.mak
7326 /* Automatically generated by configure - do not modify! */
7327 #ifndef FFMPEG_CONFIG_H
7328 #define FFMPEG_CONFIG_H
7329 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
7330 #define FFMPEG_LICENSE "$(c_escape $license)"
7331 #define CONFIG_THIS_YEAR 2019
7332 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
7333 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
7334 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
7335 #define av_restrict $restrict_keyword
7336 #define EXTERN_PREFIX "${extern_prefix}"
7337 #define EXTERN_ASM ${extern_prefix}
7338 #define BUILDSUF "$build_suffix"
7339 #define SLIBSUF "$SLIBSUF"
7340 #define HAVE_MMX2 HAVE_MMXEXT
7341 #define SWS_MAX_FILTER_SIZE $sws_max_filter_size
7344 test -n "$assert_level" &&
7345 echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
7347 test -n "$malloc_prefix" &&
7348 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
7350 if enabled x86asm; then
7351 append config_files $TMPASM
7353 ; Automatically generated by configure - do not modify!
7357 enabled getenv || echo "#define getenv(x) NULL" >> $TMPH
7363 echo "@c auto-generated by configure - do not modify! " > doc/config.texi
7365 print_config ARCH_ "$config_files" $ARCH_LIST
7366 print_config HAVE_ "$config_files" $HAVE_LIST
7367 print_config CONFIG_ "$config_files" $CONFIG_LIST \
7371 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
7372 echo "endif # FFMPEG_CONFIG_MAK" >> ffbuild/config.mak
7374 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
7375 cp_if_changed $TMPH config.h
7376 touch ffbuild/.config
7378 enabled x86asm && cp_if_changed $TMPASM config.asm
7381 /* Generated by ffmpeg configure */
7382 #ifndef AVUTIL_AVCONFIG_H
7383 #define AVUTIL_AVCONFIG_H
7386 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
7388 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
7390 cp_if_changed $TMPH libavutil/avconfig.h
7392 # full_filter_name_foo=vf_foo
7393 # full_filter_name_bar=asrc_bar
7395 eval "$(sed -n "s/^extern AVFilter ff_\([avfsinkrc]\{2,5\}\)_\(.*\);/full_filter_name_\2=\1_\2/p" $source_path/libavfilter/allfilters.c)"
7397 # generate the lists of enabled components
7398 print_enabled_components(){
7403 echo "static const $struct_name * const $name[] = {" > $TMPH
7408 eval c=\$full_filter_name_${c%_filter}
7411 c=${c%_indev}_demuxer
7414 c=${c%_outdev}_muxer
7417 printf " &ff_%s,\n" $c >> $TMPH
7420 if [ "$name" = "filter_list" ]; then
7421 for c in asrc_abuffer vsrc_buffer asink_abuffer vsink_buffer; do
7422 printf " &ff_%s,\n" $c >> $TMPH
7425 echo " NULL };" >> $TMPH
7426 cp_if_changed $TMPH $file
7429 print_enabled_components libavfilter/filter_list.c AVFilter filter_list $FILTER_LIST
7430 print_enabled_components libavcodec/codec_list.c AVCodec codec_list $CODEC_LIST
7431 print_enabled_components libavcodec/parser_list.c AVCodecParser parser_list $PARSER_LIST
7432 print_enabled_components libavcodec/bsf_list.c AVBitStreamFilter bitstream_filters $BSF_LIST
7433 print_enabled_components libavformat/demuxer_list.c AVInputFormat demuxer_list $DEMUXER_LIST
7434 print_enabled_components libavformat/muxer_list.c AVOutputFormat muxer_list $MUXER_LIST
7435 print_enabled_components libavdevice/indev_list.c AVInputFormat indev_list $INDEV_LIST
7436 print_enabled_components libavdevice/outdev_list.c AVOutputFormat outdev_list $OUTDEV_LIST
7437 print_enabled_components libavformat/protocol_list.c URLProtocol url_protocols $PROTOCOL_LIST
7439 # Settings for pkg-config files
7442 # Automatically generated by configure - do not modify!
7444 build_suffix=$build_suffix
7448 rpath=$(enabled rpath && echo "-Wl,-rpath,\${libdir}")
7449 source_path=${source_path}
7452 extralibs_avutil="$avutil_extralibs"
7453 extralibs_avcodec="$avcodec_extralibs"
7454 extralibs_avformat="$avformat_extralibs"
7455 extralibs_avdevice="$avdevice_extralibs"
7456 extralibs_avfilter="$avfilter_extralibs"
7457 extralibs_avresample="$avresample_extralibs"
7458 extralibs_postproc="$postproc_extralibs"
7459 extralibs_swscale="$swscale_extralibs"
7460 extralibs_swresample="$swresample_extralibs"
7463 for lib in $LIBRARY_LIST; do
7464 lib_deps="$(eval echo \$${lib}_deps)"
7465 echo ${lib}_deps=\"$lib_deps\" >> $TMPH
7468 cp_if_changed $TMPH ffbuild/config.sh