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 --enable-pocketsphinx enable PocketSphinx, needed for asr filter [no]
311 --disable-sndio disable sndio support [autodetect]
312 --disable-schannel disable SChannel SSP, needed for TLS support on
313 Windows if openssl and gnutls are not used [autodetect]
314 --disable-sdl2 disable sdl2 [autodetect]
315 --disable-securetransport disable Secure Transport, needed for TLS support
316 on OSX if openssl and gnutls are not used [autodetect]
317 --enable-vapoursynth enable VapourSynth demuxer [no]
318 --disable-xlib disable xlib [autodetect]
319 --disable-zlib disable zlib [autodetect]
321 The following libraries provide various hardware acceleration features:
322 --disable-amf disable AMF video encoding code [autodetect]
323 --disable-audiotoolbox disable Apple AudioToolbox code [autodetect]
324 --enable-cuda-nvcc enable Nvidia CUDA compiler [no]
325 --disable-cuvid disable Nvidia CUVID support [autodetect]
326 --disable-d3d11va disable Microsoft Direct3D 11 video acceleration code [autodetect]
327 --disable-dxva2 disable Microsoft DirectX 9 video acceleration code [autodetect]
328 --disable-ffnvcodec disable dynamically linked Nvidia code [autodetect]
329 --enable-libdrm enable DRM code (Linux) [no]
330 --enable-libmfx enable Intel MediaSDK (AKA Quick Sync Video) code via libmfx [no]
331 --enable-libnpp enable Nvidia Performance Primitives-based code [no]
332 --enable-mmal enable Broadcom Multi-Media Abstraction Layer (Raspberry Pi) via MMAL [no]
333 --disable-nvdec disable Nvidia video decoding acceleration (via hwaccel) [autodetect]
334 --disable-nvenc disable Nvidia video encoding code [autodetect]
335 --enable-omx enable OpenMAX IL code [no]
336 --enable-omx-rpi enable OpenMAX IL code for Raspberry Pi [no]
337 --enable-rkmpp enable Rockchip Media Process Platform code [no]
338 --disable-v4l2-m2m disable V4L2 mem2mem code [autodetect]
339 --disable-vaapi disable Video Acceleration API (mainly Unix/Intel) code [autodetect]
340 --disable-vdpau disable Nvidia Video Decode and Presentation API for Unix code [autodetect]
341 --disable-videotoolbox disable VideoToolbox code [autodetect]
344 --arch=ARCH select architecture [$arch]
345 --cpu=CPU select the minimum required CPU (affects
346 instruction selection, may crash on older CPUs)
347 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
348 --progs-suffix=SUFFIX program name suffix []
349 --enable-cross-compile assume a cross-compiler is used
350 --sysroot=PATH root of cross-build tree
351 --sysinclude=PATH location of cross-build system headers
352 --target-os=OS compiler targets OS [$target_os]
353 --target-exec=CMD command to run executables on target
354 --target-path=DIR path to view of build directory on target
355 --target-samples=DIR path to samples directory on target
356 --tempprefix=PATH force fixed dir/prefix instead of mktemp for checks
357 --toolchain=NAME set tool defaults according to NAME
358 (gcc-asan, clang-asan, gcc-msan, clang-msan,
359 gcc-tsan, clang-tsan, gcc-usan, clang-usan,
360 valgrind-massif, valgrind-memcheck,
361 msvc, icl, gcov, llvm-cov, hardened)
362 --nm=NM use nm tool NM [$nm_default]
363 --ar=AR use archive tool AR [$ar_default]
364 --as=AS use assembler AS [$as_default]
365 --ln_s=LN_S use symbolic link tool LN_S [$ln_s_default]
366 --strip=STRIP use strip tool STRIP [$strip_default]
367 --windres=WINDRES use windows resource compiler WINDRES [$windres_default]
368 --x86asmexe=EXE use nasm-compatible assembler EXE [$x86asmexe_default]
369 --cc=CC use C compiler CC [$cc_default]
370 --cxx=CXX use C compiler CXX [$cxx_default]
371 --objcc=OCC use ObjC compiler OCC [$cc_default]
372 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
373 --nvcc=NVCC use Nvidia CUDA compiler NVCC [$nvcc_default]
374 --ld=LD use linker LD [$ld_default]
375 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
376 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
377 --ranlib=RANLIB use ranlib RANLIB [$ranlib_default]
378 --doxygen=DOXYGEN use DOXYGEN to generate API doc [$doxygen_default]
379 --host-cc=HOSTCC use host C compiler HOSTCC
380 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
381 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
382 --host-ld=HOSTLD use host linker HOSTLD
383 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
384 --host-extralibs=HLIBS use libs HLIBS when linking for host
385 --host-os=OS compiler host OS [$target_os]
386 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
387 --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
388 --extra-objcflags=FLAGS add FLAGS to OBJCFLAGS [$CFLAGS]
389 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
390 --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
391 --extra-ldsoflags=ELDFLAGS add ELDFLAGS to LDSOFLAGS [$LDSOFLAGS]
392 --extra-libs=ELIBS add ELIBS [$ELIBS]
393 --extra-version=STRING version string suffix []
394 --optflags=OPTFLAGS override optimization-related compiler flags
395 --nvccflags=NVCCFLAGS override nvcc flags [$nvccflags_default]
396 --build-suffix=SUFFIX library name suffix []
397 --enable-pic build position-independent code
398 --enable-thumb compile for Thumb instruction set
399 --enable-lto use link-time optimization
400 --env="ENV=override" override the environment variables
402 Advanced options (experts only):
403 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
404 --custom-allocator=NAME use a supported custom allocator
405 --disable-symver disable symbol versioning
406 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
407 --disable-safe-bitstream-reader
408 disable buffer boundary checking in bitreaders
409 (faster, but may crash)
410 --sws-max-filter-size=N the max filter size swscale uses [$sws_max_filter_size_default]
412 Optimization options (experts only):
413 --disable-asm disable all assembly optimizations
414 --disable-altivec disable AltiVec optimizations
415 --disable-vsx disable VSX optimizations
416 --disable-power8 disable POWER8 optimizations
417 --disable-amd3dnow disable 3DNow! optimizations
418 --disable-amd3dnowext disable 3DNow! extended optimizations
419 --disable-mmx disable MMX optimizations
420 --disable-mmxext disable MMXEXT optimizations
421 --disable-sse disable SSE optimizations
422 --disable-sse2 disable SSE2 optimizations
423 --disable-sse3 disable SSE3 optimizations
424 --disable-ssse3 disable SSSE3 optimizations
425 --disable-sse4 disable SSE4 optimizations
426 --disable-sse42 disable SSE4.2 optimizations
427 --disable-avx disable AVX optimizations
428 --disable-xop disable XOP optimizations
429 --disable-fma3 disable FMA3 optimizations
430 --disable-fma4 disable FMA4 optimizations
431 --disable-avx2 disable AVX2 optimizations
432 --disable-avx512 disable AVX-512 optimizations
433 --disable-aesni disable AESNI optimizations
434 --disable-armv5te disable armv5te optimizations
435 --disable-armv6 disable armv6 optimizations
436 --disable-armv6t2 disable armv6t2 optimizations
437 --disable-vfp disable VFP optimizations
438 --disable-neon disable NEON optimizations
439 --disable-inline-asm disable use of inline assembly
440 --disable-x86asm disable use of standalone x86 assembly
441 --disable-mipsdsp disable MIPS DSP ASE R1 optimizations
442 --disable-mipsdspr2 disable MIPS DSP ASE R2 optimizations
443 --disable-msa disable MSA optimizations
444 --disable-mipsfpu disable floating point MIPS optimizations
445 --disable-mmi disable Loongson SIMD optimizations
446 --disable-fast-unaligned consider unaligned accesses slow
448 Developer options (useful when working on FFmpeg itself):
449 --disable-debug disable debugging symbols
450 --enable-debug=LEVEL set the debug level [$debuglevel]
451 --disable-optimizations disable compiler optimizations
452 --enable-extra-warnings enable more compiler warnings
453 --disable-stripping disable stripping of executables and shared libraries
454 --assert-level=level 0(default), 1 or 2, amount of assertion testing,
455 2 causes a slowdown at runtime.
456 --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
457 --valgrind=VALGRIND run "make fate" tests through valgrind to detect memory
458 leaks and errors, using the specified valgrind binary.
459 Cannot be combined with --target-exec
460 --enable-ftrapv Trap arithmetic overflows
461 --samples=PATH location of test samples for FATE, if not set use
462 \$FATE_SAMPLES at make invocation time.
463 --enable-neon-clobber-test check NEON registers for clobbering (should be
464 used only for debugging purposes)
465 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
466 should be used only for debugging purposes)
467 --enable-random randomly enable/disable components
469 --enable-random=LIST randomly enable/disable specific components or
470 --disable-random=LIST component groups. LIST is a comma-separated list
471 of NAME[:PROB] entries where NAME is a component
472 (group) and PROB the probability associated with
474 --random-seed=VALUE seed value for --enable/disable-random
475 --disable-valgrind-backtrace do not print a backtrace under Valgrind
476 (only applies to --disable-optimizations builds)
477 --enable-ossfuzz Enable building fuzzer tool
478 --libfuzzer=PATH path to libfuzzer
479 --ignore-tests=TESTS comma-separated list (without "fate-" prefix
480 in the name) of tests whose result is ignored
481 --enable-linux-perf enable Linux Performance Monitor API
483 NOTE: Object files are built at the place where configure is launched.
488 if test -t 1 && which tput >/dev/null 2>&1; then
489 ncolors=$(tput colors)
490 if test -n "$ncolors" && test $ncolors -ge 8; then
491 bold_color=$(tput bold)
492 warn_color=$(tput setaf 3)
493 error_color=$(tput setaf 1)
494 reset_color=$(tput sgr0)
496 # 72 used instead of 80 since that's the default of pr
502 echo "$@" >> $logfile
508 while IFS= read -r log_file_line; do
509 printf '%5d\t%s\n' "$log_file_i" "$log_file_line"
510 log_file_i=$(($log_file_i+1))
511 done < "$1" >> "$logfile"
517 WARNINGS="${WARNINGS}WARNING: $*\n"
522 echo "$error_color$bold_color$@$reset_color"
525 If you think configure made a mistake, make sure you are using the latest
526 version from Git. If the latest version fails, report the problem to the
527 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
529 if disabled logging; then
531 Rerun configure with logging enabled (do not use --disable-logging), and
532 include the log this produces with your report.
536 Include the log file "$logfile" produced by configure as this will help
543 # Avoid locale weirdness, besides we really just want to translate ASCII.
545 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
549 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
553 echo "$*" | sed 's/["\\]/\\\0/g'
557 v=$(echo "$1" | sed "s/'/'\\\\''/g")
558 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
563 echo "$@" | sed 's/^ *//;s/[[:space:]][[:space:]]*/ /g;s/ *$//'
570 eval "case '$v' in $pat) printf '%s ' '$v' ;; esac"
578 eval "case '$v' in $pat) ;; *) printf '%s ' '$v' ;; esac"
585 for v; do eval $m; done
591 for v; do echo ${v}${suffix}; done
597 for v; do echo ${v%$suffix}; done
612 eval : \${$var:=$value}
617 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
623 eval $(sanitize_var_name "$var")='$*'
627 eval echo \$$(sanitize_var_name "$1")
632 eval level=\${${pvar}_level:=0}
633 eval ${pvar}_${level}="\$$pvar"
634 eval ${pvar}_level=$(($level+1))
640 eval level=\${${pvar}_level:-0}
641 test $level = 0 && continue
642 eval level=$(($level-1))
643 eval $pvar="\${${pvar}_${level}}"
644 eval ${pvar}_level=$level
645 eval unset ${pvar}_${level}
651 eval ${var}_requested=yes
656 warn_if_gets_disabled(){
658 WARN_IF_GETS_DISABLED_LIST="$WARN_IF_GETS_DISABLED_LIST $var"
670 disable_with_reason(){
672 eval "${1}_disable_reason=\"$2\""
673 if requested $1; then
674 die "ERROR: $1 requested, but $2"
688 enable $(sanitize_var_name $var)
694 disable $(sanitize_var_name $var)
700 enabled $var && continue
702 eval enable_deep \$${var}_select
704 eval enable_deep_weak \$${var}_suggest
715 disabled $var && continue
724 test "${1#!}" = "$1" && op="=" || op="!="
725 eval test "x\$${1#!}_requested" $op "xyes"
729 test "${1#!}" = "$1" && op="=" || op="!="
730 eval test "x\$${1#!}" $op "xyes"
734 test "${1#!}" = "$1" && op="=" || op="!="
735 eval test "x\$${1#!}" $op "xno"
740 enabled $opt || return 1
746 disabled $opt || return 1
752 enabled $opt && return 0
758 disabled $opt && return 0
765 eval : \${$opt:=\$${opt}_default}
773 [ $var = $value ] && return 0
778 # The cfg loop is very hot (several thousands iterations), and in bash also
779 # potentialy quite slow. Try to abort the iterations early, preferably without
780 # calling functions. 70%+ of the time cfg is already done or without deps.
783 eval [ x\$${cfg}_checking = xdone ] && continue
784 eval [ x\$${cfg}_checking = xinprogress ] && die "Circular dependency for $cfg."
787 dep_all=\$${cfg}_deps
788 dep_any=\$${cfg}_deps_any
789 dep_con=\$${cfg}_conflict
790 dep_sel=\$${cfg}_select
791 dep_sgs=\$${cfg}_suggest
793 dep_ifn=\$${cfg}_if_any
796 # most of the time here $cfg has no deps - avoid costly no-op work
797 if [ "$dep_all$dep_any$dep_con$dep_sel$dep_sgs$dep_ifa$dep_ifn" ]; then
798 eval ${cfg}_checking=inprogress
800 set -- $cfg "$dep_all" "$dep_any" "$dep_con" "$dep_sel" "$dep_sgs" "$dep_ifa" "$dep_ifn"
801 check_deps $dep_all $dep_any $dep_con $dep_sel $dep_sgs $dep_ifa $dep_ifn
802 cfg=$1; dep_all=$2; dep_any=$3; dep_con=$4; dep_sel=$5 dep_sgs=$6; dep_ifa=$7; dep_ifn=$8
804 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
805 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
806 enabled_all $dep_all || { disable_with_reason $cfg "not all dependencies are satisfied: $dep_all"; }
807 enabled_any $dep_any || { disable_with_reason $cfg "not any dependency is satisfied: $dep_any"; }
808 disabled_all $dep_con || { disable_with_reason $cfg "some conflicting dependencies are unsatisfied: $dep_con"; }
809 disabled_any $dep_sel && { disable_with_reason $cfg "some selected dependency is unsatisfied: $dep_sel"; }
811 enabled $cfg && enable_deep_weak $dep_sel $dep_sgs
813 for dep in $dep_all $dep_any $dep_sel $dep_sgs; do
814 # filter out library deps, these do not belong in extralibs
815 is_in $dep $LIBRARY_LIST && continue
816 enabled $dep && eval append ${cfg}_extralibs ${dep}_extralibs
820 eval ${cfg}_checking=done
828 map 'eval echo "$v \${$v:-no}"' "$@" |
829 awk "BEGIN { split(\"$files\", files) }
831 c = \"$pfx\" toupper(\$1);
837 if (file ~ /\\.h\$/) {
838 printf(\"#define %s %d\\n\", c, v) >>file;
839 } else if (file ~ /\\.asm\$/) {
840 printf(\"%%define %s %d\\n\", c, v) >>file;
841 } else if (file ~ /\\.mak\$/) {
842 n = -v ? \"\" : \"!\";
843 printf(\"%s%s=yes\\n\", n, c) >>file;
844 } else if (file ~ /\\.texi\$/) {
845 pre = -v ? \"\" : \"@c \";
848 gsub(/_/, \"-\", c2);
849 printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
859 enabled $v && printf "%s\n" ${v%$suf}
866 eval "$var=\"\$$var $*\""
872 eval "$var=\"$* \$$var\""
879 reverse_out="$v $reverse_out"
885 # keeps the last occurence of each non-unique item
890 for v in $unique_in; do
891 # " $unique_out" +space such that every item is surrounded with spaces
892 case " $unique_out" in *" $v "*) continue; esac # already in list
893 unique_out="$unique_out$v "
902 for v in $resolve_in; do
903 eval 'resolve_out="$resolve_out$'$v' "'
905 eval $1=\$resolve_out
913 append CFLAGS $($cflags_filter "$@")
916 add_cflags_headers(){
917 append CFLAGS_HEADERS $($cflags_filter "$@")
921 append CXXFLAGS $($cflags_filter "$@")
925 append OBJCFLAGS $($objcflags_filter "$@")
929 append ASFLAGS $($asflags_filter "$@")
933 append LDFLAGS $($ldflags_filter "$@")
937 append LDEXEFLAGS $($ldflags_filter "$@")
941 append LDSOFLAGS $($ldflags_filter "$@")
945 prepend extralibs $($ldflags_filter "$@")
949 append ASMSTRIPFLAGS "$@"
953 append host_cppflags "$@"
957 append host_cflags $($host_cflags_filter "$@")
961 append host_ldflags $($host_ldflags_filter "$@")
965 append compat_objs $1
967 map 'add_cppflags -D$v' "$@"
972 "$@" >> $logfile 2>&1
977 stat "$1" >> $logfile 2>&1
981 eval printf '%s\\n' $CC_E
985 eval printf '%s\\n' $CC_O
989 eval printf '%s\\n' $AS_O
993 eval printf '%s\\n' $X86ASM_O
997 eval printf '%s\\n' $LD_O
1001 eval printf '%s\\n' $HOSTCC_E
1005 eval printf '%s\\n' $HOSTCC_O
1009 eval printf '%s\\n' $NVCC_O
1016 test_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
1023 test_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
1030 test_cmd $objcc -Werror=missing-prototypes $CPPFLAGS $CFLAGS $OBJCFLAGS "$@" $OBJCC_C $(cc_o $TMPO) $TMPM
1039 [ -x "$(command -v cygpath)" ] && tmpcu_=$(cygpath -m $tmpcu_) && tmpo_=$(cygpath -m $tmpo_)
1040 test_cmd $nvcc -ptx $NVCCFLAGS "$@" $NVCC_C $(nvcc_o $tmpo_) $tmpcu_
1047 __global__ void hello(unsigned char *data) {}
1056 test_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
1063 test_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
1067 log test_x86asm "$@"
1071 test_cmd $x86asmexe $X86ASMFLAGS -Werror "$@" $(x86asm_o $TMPO) $TMPASM
1077 disabled $cmd && return
1079 test_cmd $@ && enable $cmd
1088 test_as $@ <<EOF && enable $name
1094 log check_inline_asm "$@"
1099 test_cc "$@" <<EOF && enable $name
1100 void foo(void){ __asm__ volatile($code); }
1104 check_inline_asm_flags(){
1105 log check_inline_asm_flags "$@"
1110 while [ "$1" != "" ]; do
1116 void foo(void){ __asm__ volatile($code); }
1119 test_cmd $cc $CPPFLAGS $CFLAGS $flags "$@" $CC_C $(cc_o $TMPO) $TMPC &&
1120 enable $name && add_cflags $flags && add_asflags $flags && add_ldflags $flags
1125 check_inline_asm ${1}_inline "\"$2\""
1126 check_as ${1}_external "$2"
1130 log check_x86asm "$@"
1134 test_x86asm "$@" && enable $name
1141 flags=$(filter_out '-l*|*.so' $@)
1142 libs=$(filter '-l*|*.so' $@)
1143 test_$type $($cflags_filter $flags) || return
1144 flags=$($ldflags_filter $flags)
1145 libs=$($ldflags_filter $libs)
1146 test_cmd $ld $LDFLAGS $LDEXEFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
1155 test_ld $type $@ && enable $name
1160 test "${hdr%.h}" = "${hdr}" &&
1161 echo "#include $hdr" ||
1162 echo "#include <$hdr>"
1172 for hdr in $headers; do
1175 echo "int main(void) { $code; return 0; }"
1176 } | test_$check "$@"
1180 log check_cppflags "$@"
1181 test_cpp "$@" <<EOF && append CPPFLAGS "$@"
1187 log test_cflags "$@"
1188 set -- $($cflags_filter "$@")
1195 log check_cflags "$@"
1196 test_cflags "$@" && add_cflags "$@"
1200 log check_cxxflags "$@"
1201 set -- $($cflags_filter "$@")
1202 test_cxx "$@" <<EOF && append CXXFLAGS "$@"
1208 log test_objcflags "$@"
1209 set -- $($objcflags_filter "$@")
1210 test_objcc "$@" <<EOF
1216 log check_objcflags "$@"
1217 test_objcflags "$@" && add_objcflags "$@"
1221 log test_ldflags "$@"
1222 set -- $($ldflags_filter "$@")
1223 test_ld "cc" "$@" <<EOF
1224 int main(void){ return 0; }
1229 log check_ldflags "$@"
1230 test_ldflags "$@" && add_ldflags "$@"
1234 log test_stripflags "$@"
1235 # call test_cc to get a fresh TMPO
1237 int main(void) { return 0; }
1239 test_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO
1243 log check_stripflags "$@"
1244 test_stripflags "$@" && add_stripflags "$@"
1248 log check_headers "$@"
1251 disable_sanitized $headers
1253 for hdr in $headers; do
1257 } | test_cpp "$@" && enable_sanitized $headers
1260 check_header_objcc(){
1261 log check_header_objcc "$@"
1265 disable_sanitized $header
1267 echo "#include <$header>"
1268 echo "int main(void) { return 0; }"
1269 } | test_objcc && test_stat "$TMPO" && enable_sanitized $header
1272 check_apple_framework(){
1273 log check_apple_framework "$@"
1275 name="$(tolower $framework)"
1276 header="${framework}/${framework}.h"
1278 check_header_objcc $header &&
1279 enable $name && eval ${name}_extralibs='"-framework $framework"'
1287 test_ld "cc" "$@" <<EOF && enable $func
1289 int main(void){ $func(); }
1293 check_complexfunc(){
1294 log check_complexfunc "$@"
1298 test $narg = 2 && args="f, g" || args="f * I"
1300 test_ld "cc" "$@" <<EOF && enable $func
1301 #include <complex.h>
1303 float foo(complex float f, complex float g) { return $func($args); }
1304 int main(void){ return (int) foo; }
1309 log check_mathfunc "$@"
1313 test $narg = 2 && args="f, g" || args="f"
1315 test_ld "cc" "$@" <<EOF && enable $func
1317 float foo(float f, float g) { return $func($args); }
1318 int main(void){ return (int) foo; }
1322 check_func_headers(){
1323 log check_func_headers "$@"
1328 for hdr in $headers; do
1331 echo "#include <stdint.h>"
1332 for func in $funcs; do
1333 echo "long check_$func(void) { return (long) $func; }"
1335 echo "int main(void) { int ret = 0;"
1336 # LTO could optimize out the test functions without this
1337 for func in $funcs; do
1338 echo " ret |= ((intptr_t)check_$func) & 0xFFFF;"
1340 echo "return ret; }"
1341 } | test_ld "cc" "$@" && enable $funcs && enable_sanitized $headers
1344 check_class_headers_cpp(){
1345 log check_class_headers_cpp "$@"
1350 for hdr in $headers; do
1351 echo "#include <$hdr>"
1353 echo "int main(void) { "
1355 for class in $classes; do
1356 echo "$class obj$i;"
1360 } | test_ld "cxx" "$@" && enable $funcs && enable_sanitized $headers
1363 test_cpp_condition(){
1364 log test_cpp_condition "$@"
1371 #error "unsatisfied condition: $condition"
1376 check_cpp_condition(){
1377 log check_cpp_condition "$@"
1381 test_cpp_condition "$@" && enable $name
1385 log test_cflags_cc "$@"
1390 set -- $($cflags_filter "$flags")
1394 #error "unsatisfied condition: $condition"
1406 check_func_headers "$headers" "$funcs" "$@" &&
1407 enable $name && eval ${name}_extralibs="\$@"
1411 log check_lib_cpp "$@"
1417 check_class_headers_cpp "$headers" "$classes" "$@" &&
1418 enable $name && eval ${name}_extralibs="\$@"
1422 log test_pkg_config "$@"
1430 test_cmd $pkg_config --exists --print-errors $pkg_version || return
1431 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1432 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1433 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1435 set_sanitized "${name}_cflags" $pkg_cflags &&
1436 set_sanitized "${name}_extralibs" $pkg_libs
1440 log check_pkg_config "$@"
1442 test_pkg_config "$@" &&
1443 eval add_cflags \$${name}_cflags
1447 test_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1451 log check_exec_crash "$@"
1454 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1455 # are safe but may not be available everywhere. Thus we use
1456 # raise(SIGTERM) instead. The check is run in a subshell so we
1457 # can redirect the "Terminated" message from the shell. SIGBUS
1458 # is not defined by standard C so it is used conditionally.
1460 (test_exec "$@") >> $logfile 2>&1 <<EOF
1462 static void sighandler(int sig){
1468 int (*func_ptr)(void) = foo;
1470 signal(SIGILL, sighandler);
1471 signal(SIGFPE, sighandler);
1472 signal(SIGSEGV, sighandler);
1474 signal(SIGBUS, sighandler);
1486 disable_sanitized "$type"
1487 test_code cc "$headers" "$type v" "$@" && enable_sanitized "$type"
1491 log check_struct "$@"
1496 disable_sanitized "${struct}_${member}"
1497 test_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1498 enable_sanitized "${struct}_${member}"
1502 log check_builtin "$@"
1508 test_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1511 check_compile_assert(){
1512 log check_compile_assert "$@"
1518 test_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1526 test_code cc "$@" && enable "$name"
1534 check_lib $name "$@" || die "ERROR: $name_version not found"
1540 check_cc "$@" || die "ERROR: $name failed"
1548 check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1552 log require_headers "$@"
1554 check_headers "$@" || die "ERROR: $headers not found"
1557 require_cpp_condition(){
1558 log require_cpp_condition "$@"
1560 check_cpp_condition "$@" || die "ERROR: $condition not satisfied"
1563 require_pkg_config(){
1564 log require_pkg_config "$@"
1566 check_pkg_config "$@" || die "ERROR: $pkg_version not found using pkg-config$pkg_config_fail_message"
1570 log test_host_cc "$@"
1573 test_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1577 log test_host_cpp "$@"
1580 test_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1583 check_host_cppflags(){
1584 log check_host_cppflags "$@"
1585 test_host_cpp "$@" <<EOF && append host_cppflags "$@"
1590 check_host_cflags(){
1591 log check_host_cflags "$@"
1592 set -- $($host_cflags_filter "$@")
1593 test_host_cc "$@" <<EOF && append host_cflags "$@"
1598 test_host_cpp_condition(){
1599 log test_host_cpp_condition "$@"
1603 test_host_cpp "$@" <<EOF
1606 #error "unsatisfied condition: $condition"
1611 check_host_cpp_condition(){
1612 log check_host_cpp_condition "$@"
1616 test_host_cpp_condition "$@" && enable $name
1620 cmp -s "$1" "$2" && { test "$quiet" != "yes" && echo "$2 is unchanged"; } && return
1621 mkdir -p "$(dirname $2)"
1625 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1626 # system-dependent things.
1628 AVCODEC_COMPONENTS="
1636 AVDEVICE_COMPONENTS="
1641 AVFILTER_COMPONENTS="
1645 AVFORMAT_COMPONENTS="
1653 $AVDEVICE_COMPONENTS
1654 $AVFILTER_COMPONENTS
1655 $AVFORMAT_COMPONENTS
1659 avio_dir_cmd_example
1660 avio_reading_example
1661 decode_audio_example
1662 decode_video_example
1663 demuxing_decoding_example
1664 encode_audio_example
1665 encode_video_example
1667 filter_audio_example
1668 filtering_audio_example
1669 filtering_video_example
1670 http_multiclient_example
1676 resampling_audio_example
1677 scaling_video_example
1678 transcode_aac_example
1680 vaapi_encode_example
1681 vaapi_transcode_example
1684 EXTERNAL_AUTODETECT_LIBRARY_LIST="
1704 EXTERNAL_LIBRARY_GPL_LIST="
1718 EXTERNAL_LIBRARY_NONFREE_LIST="
1725 EXTERNAL_LIBRARY_VERSION3_LIST="
1737 EXTERNAL_LIBRARY_GPLV3_LIST="
1741 EXTERNAL_LIBRARY_LIST="
1742 $EXTERNAL_LIBRARY_GPL_LIST
1743 $EXTERNAL_LIBRARY_NONFREE_LIST
1744 $EXTERNAL_LIBRARY_VERSION3_LIST
1745 $EXTERNAL_LIBRARY_GPLV3_LIST
1811 HWACCEL_AUTODETECT_LIBRARY_LIST="
1829 # catchall list of things that require external libs to link
1835 HWACCEL_LIBRARY_NONFREE_LIST="
1841 HWACCEL_LIBRARY_LIST="
1842 $HWACCEL_LIBRARY_NONFREE_LIST
1863 safe_bitstream_reader
1870 # this list should be kept in linking order
1910 # COMPONENT_LIST needs to come last to ensure correct dependency checking
1914 $EXTERNAL_LIBRARY_LIST
1915 $EXTERNAL_AUTODETECT_LIBRARY_LIST
1916 $HWACCEL_LIBRARY_LIST
1917 $HWACCEL_AUTODETECT_LIBRARY_LIST
1949 $EXTERNAL_AUTODETECT_LIBRARY_LIST
1950 $HWACCEL_AUTODETECT_LIBRARY_LIST
1992 ARCH_EXT_LIST_MIPS="
2004 ARCH_EXT_LIST_LOONGSON="
2010 ARCH_EXT_LIST_X86_SIMD="
2040 $ARCH_EXT_LIST_X86_SIMD
2050 $ARCH_EXT_LIST_LOONGSON
2071 sync_val_compare_and_swap
2088 cdio_paranoia_paranoia_h
2091 dev_bktr_ioctl_bt848_h
2092 dev_bktr_ioctl_meteor_h
2094 dev_video_bktr_ioctl_bt848_h
2095 dev_video_meteor_ioctl_meteor_h
2104 machine_ioctl_bt848_h
2105 machine_ioctl_meteor_h
2107 opencv2_core_core_c_h
2169 MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS
2187 GetProcessAffinityMask
2188 GetProcessMemoryInfo
2191 GetSystemTimeAsFileTime
2214 SetConsoleTextAttribute
2215 SetConsoleCtrlHandler
2223 UTGetOSTypeFromString
2235 TOOLCHAIN_FEATURES="
2248 inline_asm_direct_symbol_refs
2250 inline_asm_nonlocal_labels
2261 kCMVideoCodecType_HEVC
2262 kCVPixelFormatType_420YpCbCr10BiPlanarVideoRange
2265 struct_group_source_req
2266 struct_ip_mreq_source
2268 struct_msghdr_msg_flags
2270 struct_rusage_ru_maxrss
2271 struct_sctp_event_subscribe
2273 struct_sockaddr_sa_len
2274 struct_sockaddr_storage
2275 struct_stat_st_mtim_tv_nsec
2276 struct_v4l2_frmivalenum_discrete
2281 $(add_suffix _external $ARCH_EXT_LIST)
2282 $(add_suffix _inline $ARCH_EXT_LIST)
2303 opencl_vaapi_beignet
2304 opencl_vaapi_intel_media
2310 # options emitted with CONFIG_ prefix but not available on the command line
2336 frame_thread_encoder
2495 # code dependency declarations
2497 # architecture extensions
2502 armv8_deps="aarch64"
2503 neon_deps_any="aarch64 arm"
2504 intrinsics_neon_deps="neon"
2505 vfp_deps_any="aarch64 arm"
2509 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
2518 loongson2_deps="mips"
2519 loongson3_deps="mips"
2520 mips32r2_deps="mips"
2521 mips32r5_deps="mips"
2522 mips32r6_deps="mips"
2523 mips64r2_deps="mips"
2524 mips64r6_deps="mips"
2527 mipsdspr2_deps="mips"
2532 x86_64_select="i686"
2533 x86_64_suggest="fast_cmov"
2536 amd3dnowext_deps="amd3dnow"
2554 mmx_external_deps="x86asm"
2555 mmx_inline_deps="inline_asm x86"
2556 mmx_suggest="mmx_external mmx_inline"
2558 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
2559 eval dep=\$${ext}_deps
2560 eval ${ext}_external_deps='"${dep}_external"'
2561 eval ${ext}_inline_deps='"${dep}_inline"'
2562 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
2565 aligned_stack_if_any="aarch64 ppc x86"
2566 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
2567 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
2568 fast_unaligned_if_any="aarch64 ppc x86"
2569 simd_align_16_if_any="altivec neon sse"
2570 simd_align_32_if_any="avx"
2571 simd_align_64_if_any="avx512"
2573 # system capabilities
2574 linux_perf_deps="linux_perf_event_h"
2575 symver_if_any="symver_asm_label symver_gnu_asm"
2576 valgrind_backtrace_conflict="optimizations"
2577 valgrind_backtrace_deps="valgrind_valgrind_h"
2580 atomics_gcc_if="sync_val_compare_and_swap"
2581 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
2582 atomics_win32_if="MemoryBarrier"
2583 atomics_native_if_any="$ATOMICS_LIST"
2584 w32threads_deps="atomics_native"
2585 threads_if_any="$THREADS_LIST"
2588 cbs_av1_select="cbs"
2589 cbs_h264_select="cbs golomb"
2590 cbs_h265_select="cbs golomb"
2591 cbs_jpeg_select="cbs"
2592 cbs_mpeg2_select="cbs"
2593 cbs_vp9_select="cbs"
2595 dirac_parse_select="golomb"
2596 dnn_suggest="libtensorflow"
2597 error_resilience_select="me_cmp"
2599 faandct_select="fdctdsp"
2600 faanidct_deps="faan"
2601 faanidct_select="idctdsp"
2602 h264dsp_select="startcode"
2603 hevcparse_select="golomb"
2604 frame_thread_encoder_deps="encoders threads"
2605 intrax8_select="blockdsp idctdsp"
2608 me_cmp_select="fdctdsp idctdsp pixblockdsp"
2609 mpeg_er_select="error_resilience"
2610 mpegaudio_select="mpegaudiodsp mpegaudioheader"
2611 mpegaudiodsp_select="dct"
2612 mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp mpeg_er videodsp"
2613 mpegvideoenc_select="aandcttables me_cmp mpegvideo pixblockdsp qpeldsp"
2614 vc1dsp_select="h264chroma qpeldsp startcode"
2617 # decoders / encoders
2618 aac_decoder_select="adts_header mdct15 mdct sinewin"
2619 aac_fixed_decoder_select="adts_header mdct sinewin"
2620 aac_encoder_select="audio_frame_queue iirfilter lpc mdct sinewin"
2621 aac_latm_decoder_select="aac_decoder aac_latm_parser"
2622 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
2623 ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"
2624 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
2625 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
2626 adpcm_g722_decoder_select="g722dsp"
2627 adpcm_g722_encoder_select="g722dsp"
2628 aic_decoder_select="golomb idctdsp"
2629 alac_encoder_select="lpc"
2630 als_decoder_select="bswapdsp"
2631 amrnb_decoder_select="lsp"
2632 amrwb_decoder_select="lsp"
2633 amv_decoder_select="sp5x_decoder exif"
2634 amv_encoder_select="jpegtables mpegvideoenc"
2635 ape_decoder_select="bswapdsp llauddsp"
2636 apng_decoder_deps="zlib"
2637 apng_encoder_deps="zlib"
2638 apng_encoder_select="llvidencdsp"
2639 aptx_decoder_select="audio_frame_queue"
2640 aptx_encoder_select="audio_frame_queue"
2641 aptx_hd_decoder_select="audio_frame_queue"
2642 aptx_hd_encoder_select="audio_frame_queue"
2643 asv1_decoder_select="blockdsp bswapdsp idctdsp"
2644 asv1_encoder_select="aandcttables bswapdsp fdctdsp pixblockdsp"
2645 asv2_decoder_select="blockdsp bswapdsp idctdsp"
2646 asv2_encoder_select="aandcttables bswapdsp fdctdsp pixblockdsp"
2647 atrac1_decoder_select="mdct sinewin"
2648 atrac3_decoder_select="mdct"
2649 atrac3p_decoder_select="mdct sinewin"
2650 atrac9_decoder_select="mdct"
2651 avrn_decoder_select="exif jpegtables"
2652 bink_decoder_select="blockdsp hpeldsp"
2653 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
2654 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
2655 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
2656 clearvideo_decoder_select="idctdsp"
2657 cllc_decoder_select="bswapdsp"
2658 comfortnoise_encoder_select="lpc"
2659 cook_decoder_select="audiodsp mdct sinewin"
2660 cscd_decoder_select="lzo"
2661 cscd_decoder_suggest="zlib"
2662 dca_decoder_select="mdct"
2663 dds_decoder_select="texturedsp"
2664 dirac_decoder_select="dirac_parse dwt golomb videodsp mpegvideoenc"
2665 dnxhd_decoder_select="blockdsp idctdsp"
2666 dnxhd_encoder_select="blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
2667 dolby_e_decoder_select="mdct"
2668 dvvideo_decoder_select="dvprofile idctdsp"
2669 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
2670 dxa_decoder_deps="zlib"
2671 dxv_decoder_select="lzf texturedsp"
2672 eac3_decoder_select="ac3_decoder"
2673 eac3_encoder_select="ac3_encoder"
2674 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
2675 eatgq_decoder_select="aandcttables"
2676 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp"
2677 exr_decoder_deps="zlib"
2678 ffv1_decoder_select="rangecoder"
2679 ffv1_encoder_select="rangecoder"
2680 ffvhuff_decoder_select="huffyuv_decoder"
2681 ffvhuff_encoder_select="huffyuv_encoder"
2682 fic_decoder_select="golomb"
2683 flac_decoder_select="flacdsp"
2684 flac_encoder_select="bswapdsp flacdsp lpc"
2685 flashsv2_decoder_deps="zlib"
2686 flashsv2_encoder_deps="zlib"
2687 flashsv_decoder_deps="zlib"
2688 flashsv_encoder_deps="zlib"
2689 flv_decoder_select="h263_decoder"
2690 flv_encoder_select="h263_encoder"
2691 fourxm_decoder_select="blockdsp bswapdsp"
2692 fraps_decoder_select="bswapdsp huffman"
2693 g2m_decoder_deps="zlib"
2694 g2m_decoder_select="blockdsp idctdsp jpegtables"
2695 g729_decoder_select="audiodsp"
2696 h261_decoder_select="mpegvideo"
2697 h261_encoder_select="mpegvideoenc"
2698 h263_decoder_select="h263_parser h263dsp mpegvideo qpeldsp"
2699 h263_encoder_select="h263dsp mpegvideoenc"
2700 h263i_decoder_select="h263_decoder"
2701 h263p_decoder_select="h263_decoder"
2702 h263p_encoder_select="h263_encoder"
2703 h264_decoder_select="cabac golomb h264chroma h264dsp h264parse h264pred h264qpel videodsp"
2704 h264_decoder_suggest="error_resilience"
2705 hap_decoder_select="snappy texturedsp"
2706 hap_encoder_deps="libsnappy"
2707 hap_encoder_select="texturedspenc"
2708 hevc_decoder_select="bswapdsp cabac golomb hevcparse videodsp"
2709 huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"
2710 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llvidencdsp"
2711 hymt_decoder_select="huffyuv_decoder"
2712 iac_decoder_select="imc_decoder"
2713 imc_decoder_select="bswapdsp fft mdct sinewin"
2714 indeo3_decoder_select="hpeldsp"
2715 indeo4_decoder_select="ividsp"
2716 indeo5_decoder_select="ividsp"
2717 interplay_video_decoder_select="hpeldsp"
2718 jpegls_decoder_select="mjpeg_decoder"
2719 jv_decoder_select="blockdsp"
2720 lagarith_decoder_select="llviddsp"
2721 ljpeg_encoder_select="idctdsp jpegtables mpegvideoenc"
2722 lscr_decoder_deps="zlib"
2723 magicyuv_decoder_select="llviddsp"
2724 magicyuv_encoder_select="llvidencdsp"
2725 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2726 metasound_decoder_select="lsp mdct sinewin"
2727 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2728 mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"
2729 mjpeg_encoder_select="jpegtables mpegvideoenc"
2730 mjpegb_decoder_select="mjpeg_decoder"
2731 mlp_decoder_select="mlp_parser"
2732 mlp_encoder_select="lpc audio_frame_queue"
2733 motionpixels_decoder_select="bswapdsp"
2734 mp1_decoder_select="mpegaudio"
2735 mp1float_decoder_select="mpegaudio"
2736 mp2_decoder_select="mpegaudio"
2737 mp2float_decoder_select="mpegaudio"
2738 mp3_decoder_select="mpegaudio"
2739 mp3adu_decoder_select="mpegaudio"
2740 mp3adufloat_decoder_select="mpegaudio"
2741 mp3float_decoder_select="mpegaudio"
2742 mp3on4_decoder_select="mpegaudio"
2743 mp3on4float_decoder_select="mpegaudio"
2744 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2745 mpc8_decoder_select="mpegaudiodsp"
2746 mpegvideo_decoder_select="mpegvideo"
2747 mpeg1video_decoder_select="mpegvideo"
2748 mpeg1video_encoder_select="mpegvideoenc h263dsp"
2749 mpeg2video_decoder_select="mpegvideo"
2750 mpeg2video_encoder_select="mpegvideoenc h263dsp"
2751 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2752 mpeg4_encoder_select="h263_encoder"
2753 msa1_decoder_select="mss34dsp"
2754 mscc_decoder_deps="zlib"
2755 msmpeg4v1_decoder_select="h263_decoder"
2756 msmpeg4v2_decoder_select="h263_decoder"
2757 msmpeg4v2_encoder_select="h263_encoder"
2758 msmpeg4v3_decoder_select="h263_decoder"
2759 msmpeg4v3_encoder_select="h263_encoder"
2760 mss2_decoder_select="mpegvideo qpeldsp vc1_decoder"
2761 mts2_decoder_select="mss34dsp"
2762 mwsc_decoder_deps="zlib"
2763 mxpeg_decoder_select="mjpeg_decoder"
2764 nellymoser_decoder_select="mdct sinewin"
2765 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2766 nuv_decoder_select="idctdsp lzo"
2767 on2avc_decoder_select="mdct"
2768 opus_decoder_deps="swresample"
2769 opus_decoder_select="mdct15"
2770 opus_encoder_select="audio_frame_queue mdct15"
2771 png_decoder_deps="zlib"
2772 png_encoder_deps="zlib"
2773 png_encoder_select="llvidencdsp"
2774 prores_decoder_select="blockdsp idctdsp"
2775 prores_encoder_select="fdctdsp"
2776 qcelp_decoder_select="lsp"
2777 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2778 ra_144_decoder_select="audiodsp"
2779 ra_144_encoder_select="audio_frame_queue lpc audiodsp"
2780 ralf_decoder_select="golomb"
2781 rasc_decoder_deps="zlib"
2782 rawvideo_decoder_select="bswapdsp"
2783 rscc_decoder_deps="zlib"
2784 rtjpeg_decoder_select="me_cmp"
2785 rv10_decoder_select="h263_decoder"
2786 rv10_encoder_select="h263_encoder"
2787 rv20_decoder_select="h263_decoder"
2788 rv20_encoder_select="h263_encoder"
2789 rv30_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2790 rv40_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2791 screenpresso_decoder_deps="zlib"
2792 shorten_decoder_select="bswapdsp"
2793 sipr_decoder_select="lsp"
2794 snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"
2795 snow_encoder_select="dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"
2796 sonic_decoder_select="golomb rangecoder"
2797 sonic_encoder_select="golomb rangecoder"
2798 sonic_ls_encoder_select="golomb rangecoder"
2799 sp5x_decoder_select="mjpeg_decoder"
2800 speedhq_decoder_select="mpegvideo"
2801 srgc_decoder_deps="zlib"
2802 svq1_decoder_select="hpeldsp"
2803 svq1_encoder_select="hpeldsp me_cmp mpegvideoenc"
2804 svq3_decoder_select="golomb h264dsp h264parse h264pred hpeldsp tpeldsp videodsp"
2805 svq3_decoder_suggest="zlib"
2806 tak_decoder_select="audiodsp"
2807 tdsc_decoder_deps="zlib"
2808 tdsc_decoder_select="mjpeg_decoder"
2809 theora_decoder_select="vp3_decoder"
2810 thp_decoder_select="mjpeg_decoder"
2811 tiff_decoder_suggest="zlib lzma"
2812 tiff_encoder_suggest="zlib"
2813 truehd_decoder_select="mlp_parser"
2814 truehd_encoder_select="lpc audio_frame_queue"
2815 truemotion2_decoder_select="bswapdsp"
2816 truespeech_decoder_select="bswapdsp"
2817 tscc_decoder_deps="zlib"
2818 twinvq_decoder_select="mdct lsp sinewin"
2819 txd_decoder_select="texturedsp"
2820 utvideo_decoder_select="bswapdsp llviddsp"
2821 utvideo_encoder_select="bswapdsp huffman llvidencdsp"
2822 vble_decoder_select="llviddsp"
2823 vc1_decoder_select="blockdsp h263_decoder h264qpel intrax8 mpegvideo vc1dsp"
2824 vc1image_decoder_select="vc1_decoder"
2825 vorbis_decoder_select="mdct"
2826 vorbis_encoder_select="audio_frame_queue mdct"
2827 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2828 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"
2829 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"
2830 vp6a_decoder_select="vp6_decoder"
2831 vp6f_decoder_select="vp6_decoder"
2832 vp7_decoder_select="h264pred videodsp vp8dsp"
2833 vp8_decoder_select="h264pred videodsp vp8dsp"
2834 vp9_decoder_select="videodsp vp9_parser vp9_superframe_split_bsf"
2835 wcmv_decoder_deps="zlib"
2836 webp_decoder_select="vp8_decoder exif"
2837 wmalossless_decoder_select="llauddsp"
2838 wmapro_decoder_select="mdct sinewin wma_freqs"
2839 wmav1_decoder_select="mdct sinewin wma_freqs"
2840 wmav1_encoder_select="mdct sinewin wma_freqs"
2841 wmav2_decoder_select="mdct sinewin wma_freqs"
2842 wmav2_encoder_select="mdct sinewin wma_freqs"
2843 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2844 wmv1_decoder_select="h263_decoder"
2845 wmv1_encoder_select="h263_encoder"
2846 wmv2_decoder_select="blockdsp error_resilience h263_decoder idctdsp intrax8 videodsp wmv2dsp"
2847 wmv2_encoder_select="h263_encoder wmv2dsp"
2848 wmv3_decoder_select="vc1_decoder"
2849 wmv3image_decoder_select="wmv3_decoder"
2850 xma1_decoder_select="wmapro_decoder"
2851 xma2_decoder_select="wmapro_decoder"
2852 zerocodec_decoder_deps="zlib"
2853 zlib_decoder_deps="zlib"
2854 zlib_encoder_deps="zlib"
2855 zmbv_decoder_deps="zlib"
2856 zmbv_encoder_deps="zlib"
2858 # hardware accelerators
2859 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
2860 cuda_deps="ffnvcodec"
2861 cuvid_deps="ffnvcodec"
2862 d3d11va_deps="dxva_h ID3D11VideoDecoder ID3D11VideoContext"
2863 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode ole32 user32"
2864 ffnvcodec_deps_any="libdl LoadLibrary"
2865 nvdec_deps="ffnvcodec"
2866 vaapi_x11_deps="xlib"
2867 videotoolbox_hwaccel_deps="videotoolbox pthreads"
2868 videotoolbox_hwaccel_extralibs="-framework QuartzCore"
2869 xvmc_deps="X11_extensions_XvMClib_h"
2871 h263_vaapi_hwaccel_deps="vaapi"
2872 h263_vaapi_hwaccel_select="h263_decoder"
2873 h263_videotoolbox_hwaccel_deps="videotoolbox"
2874 h263_videotoolbox_hwaccel_select="h263_decoder"
2875 h264_d3d11va_hwaccel_deps="d3d11va"
2876 h264_d3d11va_hwaccel_select="h264_decoder"
2877 h264_d3d11va2_hwaccel_deps="d3d11va"
2878 h264_d3d11va2_hwaccel_select="h264_decoder"
2879 h264_dxva2_hwaccel_deps="dxva2"
2880 h264_dxva2_hwaccel_select="h264_decoder"
2881 h264_nvdec_hwaccel_deps="nvdec"
2882 h264_nvdec_hwaccel_select="h264_decoder"
2883 h264_vaapi_hwaccel_deps="vaapi"
2884 h264_vaapi_hwaccel_select="h264_decoder"
2885 h264_vdpau_hwaccel_deps="vdpau"
2886 h264_vdpau_hwaccel_select="h264_decoder"
2887 h264_videotoolbox_hwaccel_deps="videotoolbox"
2888 h264_videotoolbox_hwaccel_select="h264_decoder"
2889 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2890 hevc_d3d11va_hwaccel_select="hevc_decoder"
2891 hevc_d3d11va2_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2892 hevc_d3d11va2_hwaccel_select="hevc_decoder"
2893 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2894 hevc_dxva2_hwaccel_select="hevc_decoder"
2895 hevc_nvdec_hwaccel_deps="nvdec"
2896 hevc_nvdec_hwaccel_select="hevc_decoder"
2897 hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC"
2898 hevc_vaapi_hwaccel_select="hevc_decoder"
2899 hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"
2900 hevc_vdpau_hwaccel_select="hevc_decoder"
2901 hevc_videotoolbox_hwaccel_deps="videotoolbox"
2902 hevc_videotoolbox_hwaccel_select="hevc_decoder"
2903 mjpeg_nvdec_hwaccel_deps="nvdec"
2904 mjpeg_nvdec_hwaccel_select="mjpeg_decoder"
2905 mjpeg_vaapi_hwaccel_deps="vaapi"
2906 mjpeg_vaapi_hwaccel_select="mjpeg_decoder"
2907 mpeg_xvmc_hwaccel_deps="xvmc"
2908 mpeg_xvmc_hwaccel_select="mpeg2video_decoder"
2909 mpeg1_nvdec_hwaccel_deps="nvdec"
2910 mpeg1_nvdec_hwaccel_select="mpeg1video_decoder"
2911 mpeg1_vdpau_hwaccel_deps="vdpau"
2912 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2913 mpeg1_videotoolbox_hwaccel_deps="videotoolbox"
2914 mpeg1_videotoolbox_hwaccel_select="mpeg1video_decoder"
2915 mpeg1_xvmc_hwaccel_deps="xvmc"
2916 mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"
2917 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2918 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2919 mpeg2_d3d11va2_hwaccel_deps="d3d11va"
2920 mpeg2_d3d11va2_hwaccel_select="mpeg2video_decoder"
2921 mpeg2_dxva2_hwaccel_deps="dxva2"
2922 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2923 mpeg2_nvdec_hwaccel_deps="nvdec"
2924 mpeg2_nvdec_hwaccel_select="mpeg2video_decoder"
2925 mpeg2_vaapi_hwaccel_deps="vaapi"
2926 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2927 mpeg2_vdpau_hwaccel_deps="vdpau"
2928 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2929 mpeg2_videotoolbox_hwaccel_deps="videotoolbox"
2930 mpeg2_videotoolbox_hwaccel_select="mpeg2video_decoder"
2931 mpeg2_xvmc_hwaccel_deps="xvmc"
2932 mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"
2933 mpeg4_nvdec_hwaccel_deps="nvdec"
2934 mpeg4_nvdec_hwaccel_select="mpeg4_decoder"
2935 mpeg4_vaapi_hwaccel_deps="vaapi"
2936 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2937 mpeg4_vdpau_hwaccel_deps="vdpau"
2938 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2939 mpeg4_videotoolbox_hwaccel_deps="videotoolbox"
2940 mpeg4_videotoolbox_hwaccel_select="mpeg4_decoder"
2941 vc1_d3d11va_hwaccel_deps="d3d11va"
2942 vc1_d3d11va_hwaccel_select="vc1_decoder"
2943 vc1_d3d11va2_hwaccel_deps="d3d11va"
2944 vc1_d3d11va2_hwaccel_select="vc1_decoder"
2945 vc1_dxva2_hwaccel_deps="dxva2"
2946 vc1_dxva2_hwaccel_select="vc1_decoder"
2947 vc1_nvdec_hwaccel_deps="nvdec"
2948 vc1_nvdec_hwaccel_select="vc1_decoder"
2949 vc1_vaapi_hwaccel_deps="vaapi"
2950 vc1_vaapi_hwaccel_select="vc1_decoder"
2951 vc1_vdpau_hwaccel_deps="vdpau"
2952 vc1_vdpau_hwaccel_select="vc1_decoder"
2953 vp8_nvdec_hwaccel_deps="nvdec"
2954 vp8_nvdec_hwaccel_select="vp8_decoder"
2955 vp8_vaapi_hwaccel_deps="vaapi"
2956 vp8_vaapi_hwaccel_select="vp8_decoder"
2957 vp9_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_VP9"
2958 vp9_d3d11va_hwaccel_select="vp9_decoder"
2959 vp9_d3d11va2_hwaccel_deps="d3d11va DXVA_PicParams_VP9"
2960 vp9_d3d11va2_hwaccel_select="vp9_decoder"
2961 vp9_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_VP9"
2962 vp9_dxva2_hwaccel_select="vp9_decoder"
2963 vp9_nvdec_hwaccel_deps="nvdec"
2964 vp9_nvdec_hwaccel_select="vp9_decoder"
2965 vp9_vaapi_hwaccel_deps="vaapi VADecPictureParameterBufferVP9_bit_depth"
2966 vp9_vaapi_hwaccel_select="vp9_decoder"
2967 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2968 wmv3_d3d11va2_hwaccel_select="vc1_d3d11va2_hwaccel"
2969 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2970 wmv3_nvdec_hwaccel_select="vc1_nvdec_hwaccel"
2971 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2972 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2974 # hardware-accelerated codecs
2975 omx_deps="libdl pthreads"
2976 omx_rpi_select="omx"
2981 vaapi_encode_deps="vaapi"
2982 v4l2_m2m_deps="linux_videodev2_h sem_timedwait"
2984 hwupload_cuda_filter_deps="ffnvcodec"
2985 scale_npp_filter_deps="ffnvcodec libnpp"
2986 scale_cuda_filter_deps="ffnvcodec cuda_nvcc"
2987 thumbnail_cuda_filter_deps="ffnvcodec cuda_nvcc"
2988 transpose_npp_filter_deps="ffnvcodec libnpp"
2990 amf_deps_any="libdl LoadLibrary"
2991 nvenc_deps="ffnvcodec"
2992 nvenc_deps_any="libdl LoadLibrary"
2993 nvenc_encoder_deps="nvenc"
2995 h263_v4l2m2m_decoder_deps="v4l2_m2m h263_v4l2_m2m"
2996 h263_v4l2m2m_encoder_deps="v4l2_m2m h263_v4l2_m2m"
2997 h264_amf_encoder_deps="amf"
2998 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
2999 h264_cuvid_decoder_deps="cuvid"
3000 h264_cuvid_decoder_select="h264_mp4toannexb_bsf"
3001 h264_mediacodec_decoder_deps="mediacodec"
3002 h264_mediacodec_decoder_select="h264_mp4toannexb_bsf h264_parser"
3003 h264_mmal_decoder_deps="mmal"
3004 h264_nvenc_encoder_deps="nvenc"
3005 h264_omx_encoder_deps="omx"
3006 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec"
3007 h264_qsv_encoder_select="qsvenc"
3008 h264_rkmpp_decoder_deps="rkmpp"
3009 h264_rkmpp_decoder_select="h264_mp4toannexb_bsf"
3010 h264_vaapi_encoder_select="cbs_h264 vaapi_encode"
3011 h264_v4l2m2m_decoder_deps="v4l2_m2m h264_v4l2_m2m"
3012 h264_v4l2m2m_decoder_select="h264_mp4toannexb_bsf"
3013 h264_v4l2m2m_encoder_deps="v4l2_m2m h264_v4l2_m2m"
3014 hevc_amf_encoder_deps="amf"
3015 hevc_cuvid_decoder_deps="cuvid"
3016 hevc_cuvid_decoder_select="hevc_mp4toannexb_bsf"
3017 hevc_mediacodec_decoder_deps="mediacodec"
3018 hevc_mediacodec_decoder_select="hevc_mp4toannexb_bsf hevc_parser"
3019 hevc_nvenc_encoder_deps="nvenc"
3020 hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec"
3021 hevc_qsv_encoder_select="hevcparse qsvenc"
3022 hevc_rkmpp_decoder_deps="rkmpp"
3023 hevc_rkmpp_decoder_select="hevc_mp4toannexb_bsf"
3024 hevc_vaapi_encoder_deps="VAEncPictureParameterBufferHEVC"
3025 hevc_vaapi_encoder_select="cbs_h265 vaapi_encode"
3026 hevc_v4l2m2m_decoder_deps="v4l2_m2m hevc_v4l2_m2m"
3027 hevc_v4l2m2m_decoder_select="hevc_mp4toannexb_bsf"
3028 hevc_v4l2m2m_encoder_deps="v4l2_m2m hevc_v4l2_m2m"
3029 mjpeg_cuvid_decoder_deps="cuvid"
3030 mjpeg_qsv_encoder_deps="libmfx"
3031 mjpeg_qsv_encoder_select="qsvenc"
3032 mjpeg_vaapi_encoder_deps="VAEncPictureParameterBufferJPEG"
3033 mjpeg_vaapi_encoder_select="cbs_jpeg jpegtables vaapi_encode"
3034 mpeg1_cuvid_decoder_deps="cuvid"
3035 mpeg1_v4l2m2m_decoder_deps="v4l2_m2m mpeg1_v4l2_m2m"
3036 mpeg2_crystalhd_decoder_select="crystalhd"
3037 mpeg2_cuvid_decoder_deps="cuvid"
3038 mpeg2_mmal_decoder_deps="mmal"
3039 mpeg2_mediacodec_decoder_deps="mediacodec"
3040 mpeg2_qsv_decoder_select="qsvdec mpegvideo_parser"
3041 mpeg2_qsv_encoder_select="qsvenc"
3042 mpeg2_vaapi_encoder_select="cbs_mpeg2 vaapi_encode"
3043 mpeg2_v4l2m2m_decoder_deps="v4l2_m2m mpeg2_v4l2_m2m"
3044 mpeg4_crystalhd_decoder_select="crystalhd"
3045 mpeg4_cuvid_decoder_deps="cuvid"
3046 mpeg4_mediacodec_decoder_deps="mediacodec"
3047 mpeg4_mmal_decoder_deps="mmal"
3048 mpeg4_omx_encoder_deps="omx"
3049 mpeg4_v4l2m2m_decoder_deps="v4l2_m2m mpeg4_v4l2_m2m"
3050 mpeg4_v4l2m2m_encoder_deps="v4l2_m2m mpeg4_v4l2_m2m"
3051 msmpeg4_crystalhd_decoder_select="crystalhd"
3052 nvenc_h264_encoder_select="h264_nvenc_encoder"
3053 nvenc_hevc_encoder_select="hevc_nvenc_encoder"
3054 vc1_crystalhd_decoder_select="crystalhd"
3055 vc1_cuvid_decoder_deps="cuvid"
3056 vc1_mmal_decoder_deps="mmal"
3057 vc1_qsv_decoder_select="qsvdec vc1_parser"
3058 vc1_v4l2m2m_decoder_deps="v4l2_m2m vc1_v4l2_m2m"
3059 vp8_cuvid_decoder_deps="cuvid"
3060 vp8_mediacodec_decoder_deps="mediacodec"
3061 vp8_qsv_decoder_select="qsvdec vp8_parser"
3062 vp8_rkmpp_decoder_deps="rkmpp"
3063 vp8_vaapi_encoder_deps="VAEncPictureParameterBufferVP8"
3064 vp8_vaapi_encoder_select="vaapi_encode"
3065 vp8_v4l2m2m_decoder_deps="v4l2_m2m vp8_v4l2_m2m"
3066 vp8_v4l2m2m_encoder_deps="v4l2_m2m vp8_v4l2_m2m"
3067 vp9_cuvid_decoder_deps="cuvid"
3068 vp9_mediacodec_decoder_deps="mediacodec"
3069 vp9_rkmpp_decoder_deps="rkmpp"
3070 vp9_vaapi_encoder_deps="VAEncPictureParameterBufferVP9"
3071 vp9_vaapi_encoder_select="vaapi_encode"
3072 vp9_v4l2m2m_decoder_deps="v4l2_m2m vp9_v4l2_m2m"
3073 wmv3_crystalhd_decoder_select="crystalhd"
3076 aac_parser_select="adts_header"
3077 av1_parser_select="cbs_av1"
3078 h264_parser_select="golomb h264dsp h264parse"
3079 hevc_parser_select="hevcparse"
3080 mpegaudio_parser_select="mpegaudioheader"
3081 mpegvideo_parser_select="mpegvideo"
3082 mpeg4video_parser_select="h263dsp mpegvideo qpeldsp"
3083 vc1_parser_select="vc1dsp"
3086 aac_adtstoasc_bsf_select="adts_header"
3087 av1_frame_split_bsf_select="cbs_av1"
3088 av1_metadata_bsf_select="cbs_av1"
3089 eac3_core_bsf_select="ac3_parser"
3090 filter_units_bsf_select="cbs"
3091 h264_metadata_bsf_deps="const_nan"
3092 h264_metadata_bsf_select="cbs_h264"
3093 h264_redundant_pps_bsf_select="cbs_h264"
3094 hevc_metadata_bsf_select="cbs_h265"
3095 mjpeg2jpeg_bsf_select="jpegtables"
3096 mpeg2_metadata_bsf_select="cbs_mpeg2"
3097 trace_headers_bsf_select="cbs"
3098 vp9_metadata_bsf_select="cbs_vp9"
3100 # external libraries
3101 aac_at_decoder_deps="audiotoolbox"
3102 aac_at_decoder_select="aac_adtstoasc_bsf"
3103 ac3_at_decoder_deps="audiotoolbox"
3104 ac3_at_decoder_select="ac3_parser"
3105 adpcm_ima_qt_at_decoder_deps="audiotoolbox"
3106 alac_at_decoder_deps="audiotoolbox"
3107 amr_nb_at_decoder_deps="audiotoolbox"
3108 avisynth_deps_any="libdl LoadLibrary"
3109 avisynth_demuxer_deps="avisynth"
3110 avisynth_demuxer_select="riffdec"
3111 eac3_at_decoder_deps="audiotoolbox"
3112 eac3_at_decoder_select="ac3_parser"
3113 gsm_ms_at_decoder_deps="audiotoolbox"
3114 ilbc_at_decoder_deps="audiotoolbox"
3115 mp1_at_decoder_deps="audiotoolbox"
3116 mp2_at_decoder_deps="audiotoolbox"
3117 mp3_at_decoder_deps="audiotoolbox"
3118 mp1_at_decoder_select="mpegaudioheader"
3119 mp2_at_decoder_select="mpegaudioheader"
3120 mp3_at_decoder_select="mpegaudioheader"
3121 pcm_alaw_at_decoder_deps="audiotoolbox"
3122 pcm_mulaw_at_decoder_deps="audiotoolbox"
3123 qdmc_at_decoder_deps="audiotoolbox"
3124 qdm2_at_decoder_deps="audiotoolbox"
3125 aac_at_encoder_deps="audiotoolbox"
3126 aac_at_encoder_select="audio_frame_queue"
3127 alac_at_encoder_deps="audiotoolbox"
3128 alac_at_encoder_select="audio_frame_queue"
3129 ilbc_at_encoder_deps="audiotoolbox"
3130 ilbc_at_encoder_select="audio_frame_queue"
3131 pcm_alaw_at_encoder_deps="audiotoolbox"
3132 pcm_alaw_at_encoder_select="audio_frame_queue"
3133 pcm_mulaw_at_encoder_deps="audiotoolbox"
3134 pcm_mulaw_at_encoder_select="audio_frame_queue"
3135 chromaprint_muxer_deps="chromaprint"
3136 h264_videotoolbox_encoder_deps="pthreads"
3137 h264_videotoolbox_encoder_select="videotoolbox_encoder"
3138 hevc_videotoolbox_encoder_deps="pthreads"
3139 hevc_videotoolbox_encoder_select="videotoolbox_encoder"
3140 libaom_av1_decoder_deps="libaom"
3141 libaom_av1_encoder_deps="libaom"
3142 libaom_av1_encoder_select="extract_extradata_bsf"
3143 libaribb24_decoder_deps="libaribb24"
3144 libcelt_decoder_deps="libcelt"
3145 libcodec2_decoder_deps="libcodec2"
3146 libcodec2_encoder_deps="libcodec2"
3147 libdav1d_decoder_deps="libdav1d"
3148 libdavs2_decoder_deps="libdavs2"
3149 libfdk_aac_decoder_deps="libfdk_aac"
3150 libfdk_aac_encoder_deps="libfdk_aac"
3151 libfdk_aac_encoder_select="audio_frame_queue"
3152 libgme_demuxer_deps="libgme"
3153 libgsm_decoder_deps="libgsm"
3154 libgsm_encoder_deps="libgsm"
3155 libgsm_ms_decoder_deps="libgsm"
3156 libgsm_ms_encoder_deps="libgsm"
3157 libilbc_decoder_deps="libilbc"
3158 libilbc_encoder_deps="libilbc"
3159 libkvazaar_encoder_deps="libkvazaar"
3160 libmodplug_demuxer_deps="libmodplug"
3161 libmp3lame_encoder_deps="libmp3lame"
3162 libmp3lame_encoder_select="audio_frame_queue mpegaudioheader"
3163 libopencore_amrnb_decoder_deps="libopencore_amrnb"
3164 libopencore_amrnb_encoder_deps="libopencore_amrnb"
3165 libopencore_amrnb_encoder_select="audio_frame_queue"
3166 libopencore_amrwb_decoder_deps="libopencore_amrwb"
3167 libopenh264_decoder_deps="libopenh264"
3168 libopenh264_decoder_select="h264_mp4toannexb_bsf"
3169 libopenh264_encoder_deps="libopenh264"
3170 libopenjpeg_decoder_deps="libopenjpeg"
3171 libopenjpeg_encoder_deps="libopenjpeg"
3172 libopenmpt_demuxer_deps="libopenmpt"
3173 libopus_decoder_deps="libopus"
3174 libopus_encoder_deps="libopus"
3175 libopus_encoder_select="audio_frame_queue"
3176 librsvg_decoder_deps="librsvg"
3177 libshine_encoder_deps="libshine"
3178 libshine_encoder_select="audio_frame_queue"
3179 libspeex_decoder_deps="libspeex"
3180 libspeex_encoder_deps="libspeex"
3181 libspeex_encoder_select="audio_frame_queue"
3182 libtheora_encoder_deps="libtheora"
3183 libtwolame_encoder_deps="libtwolame"
3184 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
3185 libvorbis_decoder_deps="libvorbis"
3186 libvorbis_encoder_deps="libvorbis libvorbisenc"
3187 libvorbis_encoder_select="audio_frame_queue"
3188 libvpx_vp8_decoder_deps="libvpx"
3189 libvpx_vp8_encoder_deps="libvpx"
3190 libvpx_vp9_decoder_deps="libvpx"
3191 libvpx_vp9_encoder_deps="libvpx"
3192 libwavpack_encoder_deps="libwavpack"
3193 libwavpack_encoder_select="audio_frame_queue"
3194 libwebp_encoder_deps="libwebp"
3195 libwebp_anim_encoder_deps="libwebp"
3196 libx262_encoder_deps="libx262"
3197 libx264_encoder_deps="libx264"
3198 libx264rgb_encoder_deps="libx264 x264_csp_bgr"
3199 libx264rgb_encoder_select="libx264_encoder"
3200 libx265_encoder_deps="libx265"
3201 libxavs_encoder_deps="libxavs"
3202 libxavs2_encoder_deps="libxavs2"
3203 libxvid_encoder_deps="libxvid"
3204 libzvbi_teletext_decoder_deps="libzvbi"
3205 vapoursynth_demuxer_deps="vapoursynth"
3206 videotoolbox_suggest="coreservices"
3207 videotoolbox_deps="corefoundation coremedia corevideo"
3208 videotoolbox_encoder_deps="videotoolbox VTCompressionSessionPrepareToEncodeFrames"
3211 ac3_demuxer_select="ac3_parser"
3212 aiff_muxer_select="iso_media"
3213 asf_demuxer_select="riffdec"
3214 asf_o_demuxer_select="riffdec"
3215 asf_muxer_select="riffenc"
3216 asf_stream_muxer_select="asf_muxer"
3217 avi_demuxer_select="iso_media riffdec exif"
3218 avi_muxer_select="riffenc"
3219 caf_demuxer_select="iso_media riffdec"
3220 caf_muxer_select="iso_media"
3221 dash_muxer_select="mp4_muxer"
3222 dash_demuxer_deps="libxml2"
3223 dirac_demuxer_select="dirac_parser"
3224 dts_demuxer_select="dca_parser"
3225 dtshd_demuxer_select="dca_parser"
3226 dv_demuxer_select="dvprofile"
3227 dv_muxer_select="dvprofile"
3228 dxa_demuxer_select="riffdec"
3229 eac3_demuxer_select="ac3_parser"
3230 f4v_muxer_select="mov_muxer"
3231 fifo_muxer_deps="threads"
3232 flac_demuxer_select="flac_parser"
3233 hds_muxer_select="flv_muxer"
3234 hls_muxer_select="mpegts_muxer"
3235 hls_muxer_suggest="gcrypt openssl"
3236 image2_alias_pix_demuxer_select="image2_demuxer"
3237 image2_brender_pix_demuxer_select="image2_demuxer"
3238 ipod_muxer_select="mov_muxer"
3239 ismv_muxer_select="mov_muxer"
3240 ivf_muxer_select="av1_metadata_bsf vp9_superframe_bsf"
3241 matroska_audio_muxer_select="matroska_muxer"
3242 matroska_demuxer_select="iso_media riffdec"
3243 matroska_demuxer_suggest="bzlib lzo zlib"
3244 matroska_muxer_select="iso_media riffenc"
3245 mmf_muxer_select="riffenc"
3246 mov_demuxer_select="iso_media riffdec"
3247 mov_demuxer_suggest="zlib"
3248 mov_muxer_select="iso_media riffenc rtpenc_chain"
3249 mp3_demuxer_select="mpegaudio_parser"
3250 mp3_muxer_select="mpegaudioheader"
3251 mp4_muxer_select="mov_muxer"
3252 mpegts_demuxer_select="iso_media"
3253 mpegts_muxer_select="adts_muxer latm_muxer"
3254 mpegtsraw_demuxer_select="mpegts_demuxer"
3255 mxf_d10_muxer_select="mxf_muxer"
3256 mxf_opatom_muxer_select="mxf_muxer"
3257 nut_muxer_select="riffenc"
3258 nuv_demuxer_select="riffdec"
3259 oga_muxer_select="ogg_muxer"
3260 ogg_demuxer_select="dirac_parse"
3261 ogv_muxer_select="ogg_muxer"
3262 opus_muxer_select="ogg_muxer"
3263 psp_muxer_select="mov_muxer"
3264 rtp_demuxer_select="sdp_demuxer"
3265 rtp_muxer_select="golomb"
3266 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol srtp"
3267 rtsp_demuxer_select="http_protocol rtpdec"
3268 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
3269 sap_demuxer_select="sdp_demuxer"
3270 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
3271 sdp_demuxer_select="rtpdec"
3272 smoothstreaming_muxer_select="ismv_muxer"
3273 spdif_demuxer_select="adts_header"
3274 spdif_muxer_select="adts_header"
3275 spx_muxer_select="ogg_muxer"
3276 swf_demuxer_suggest="zlib"
3277 tak_demuxer_select="tak_parser"
3278 tg2_muxer_select="mov_muxer"
3279 tgp_muxer_select="mov_muxer"
3280 vobsub_demuxer_select="mpegps_demuxer"
3281 w64_demuxer_select="wav_demuxer"
3282 w64_muxer_select="wav_muxer"
3283 wav_demuxer_select="riffdec"
3284 wav_muxer_select="riffenc"
3285 webm_muxer_select="iso_media riffenc"
3286 webm_dash_manifest_demuxer_select="matroska_demuxer"
3287 wtv_demuxer_select="mpegts_demuxer riffdec"
3288 wtv_muxer_select="mpegts_muxer riffenc"
3289 xmv_demuxer_select="riffdec"
3290 xwma_demuxer_select="riffdec"
3293 android_camera_indev_deps="android camera2ndk mediandk pthreads"
3294 android_camera_indev_extralibs="-landroid -lcamera2ndk -lmediandk"
3295 alsa_indev_deps="alsa"
3296 alsa_outdev_deps="alsa"
3297 avfoundation_indev_deps="avfoundation corevideo coremedia pthreads"
3298 avfoundation_indev_suggest="coregraphics applicationservices"
3299 avfoundation_indev_extralibs="-framework Foundation"
3300 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
3301 caca_outdev_deps="libcaca"
3302 decklink_deps_any="libdl LoadLibrary"
3303 decklink_indev_deps="decklink threads"
3304 decklink_indev_extralibs="-lstdc++"
3305 decklink_outdev_deps="decklink threads"
3306 decklink_outdev_suggest="libklvanc"
3307 decklink_outdev_extralibs="-lstdc++"
3308 dshow_indev_deps="IBaseFilter"
3309 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"
3310 fbdev_indev_deps="linux_fb_h"
3311 fbdev_outdev_deps="linux_fb_h"
3312 gdigrab_indev_deps="CreateDIBSection"
3313 gdigrab_indev_extralibs="-lgdi32"
3314 gdigrab_indev_select="bmp_decoder"
3315 iec61883_indev_deps="libiec61883"
3316 jack_indev_deps="libjack"
3317 jack_indev_deps_any="sem_timedwait dispatch_dispatch_h"
3318 kmsgrab_indev_deps="libdrm"
3319 lavfi_indev_deps="avfilter"
3320 libcdio_indev_deps="libcdio"
3321 libdc1394_indev_deps="libdc1394"
3322 openal_indev_deps="openal"
3323 opengl_outdev_deps="opengl"
3324 opengl_outdev_suggest="sdl2"
3325 oss_indev_deps_any="sys_soundcard_h"
3326 oss_outdev_deps_any="sys_soundcard_h"
3327 pulse_indev_deps="libpulse"
3328 pulse_outdev_deps="libpulse"
3329 sdl2_outdev_deps="sdl2"
3330 sndio_indev_deps="sndio"
3331 sndio_outdev_deps="sndio"
3332 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
3333 v4l2_indev_suggest="libv4l2"
3334 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
3335 v4l2_outdev_suggest="libv4l2"
3336 vfwcap_indev_deps="vfw32 vfwcap_defines"
3337 xcbgrab_indev_deps="libxcb"
3338 xcbgrab_indev_suggest="libxcb_shm libxcb_shape libxcb_xfixes"
3339 xv_outdev_deps="xlib"
3342 async_protocol_deps="threads"
3343 bluray_protocol_deps="libbluray"
3344 ffrtmpcrypt_protocol_conflict="librtmp_protocol"
3345 ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl mbedtls"
3346 ffrtmpcrypt_protocol_select="tcp_protocol"
3347 ffrtmphttp_protocol_conflict="librtmp_protocol"
3348 ffrtmphttp_protocol_select="http_protocol"
3349 ftp_protocol_select="tcp_protocol"
3350 gopher_protocol_select="network"
3351 http_protocol_select="tcp_protocol"
3352 http_protocol_suggest="zlib"
3353 httpproxy_protocol_select="tcp_protocol"
3354 httpproxy_protocol_suggest="zlib"
3355 https_protocol_select="tls_protocol"
3356 https_protocol_suggest="zlib"
3357 icecast_protocol_select="http_protocol"
3358 mmsh_protocol_select="http_protocol"
3359 mmst_protocol_select="network"
3360 rtmp_protocol_conflict="librtmp_protocol"
3361 rtmp_protocol_select="tcp_protocol"
3362 rtmp_protocol_suggest="zlib"
3363 rtmpe_protocol_select="ffrtmpcrypt_protocol"
3364 rtmpe_protocol_suggest="zlib"
3365 rtmps_protocol_conflict="librtmp_protocol"
3366 rtmps_protocol_select="tls_protocol"
3367 rtmps_protocol_suggest="zlib"
3368 rtmpt_protocol_select="ffrtmphttp_protocol"
3369 rtmpt_protocol_suggest="zlib"
3370 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
3371 rtmpte_protocol_suggest="zlib"
3372 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
3373 rtmpts_protocol_suggest="zlib"
3374 rtp_protocol_select="udp_protocol"
3375 schannel_conflict="openssl gnutls libtls mbedtls"
3376 sctp_protocol_deps="struct_sctp_event_subscribe struct_msghdr_msg_flags"
3377 sctp_protocol_select="network"
3378 securetransport_conflict="openssl gnutls libtls mbedtls"
3379 srtp_protocol_select="rtp_protocol srtp"
3380 tcp_protocol_select="network"
3381 tls_protocol_deps_any="gnutls openssl schannel securetransport libtls mbedtls"
3382 tls_protocol_select="tcp_protocol"
3383 udp_protocol_select="network"
3384 udplite_protocol_select="network"
3385 unix_protocol_deps="sys_un_h"
3386 unix_protocol_select="network"
3388 # external library protocols
3389 librtmp_protocol_deps="librtmp"
3390 librtmpe_protocol_deps="librtmp"
3391 librtmps_protocol_deps="librtmp"
3392 librtmpt_protocol_deps="librtmp"
3393 librtmpte_protocol_deps="librtmp"
3394 libsmbclient_protocol_deps="libsmbclient gplv3"
3395 libsrt_protocol_deps="libsrt"
3396 libsrt_protocol_select="network"
3397 libssh_protocol_deps="libssh"
3398 libtls_conflict="openssl gnutls mbedtls"
3401 afftdn_filter_deps="avcodec"
3402 afftdn_filter_select="fft"
3403 afftfilt_filter_deps="avcodec"
3404 afftfilt_filter_select="fft"
3405 afir_filter_deps="avcodec"
3406 afir_filter_select="fft"
3407 amovie_filter_deps="avcodec avformat"
3408 aresample_filter_deps="swresample"
3409 asr_filter_deps="pocketsphinx"
3410 ass_filter_deps="libass"
3411 atempo_filter_deps="avcodec"
3412 atempo_filter_select="rdft"
3413 avgblur_opencl_filter_deps="opencl"
3414 azmq_filter_deps="libzmq"
3415 blackframe_filter_deps="gpl"
3416 bm3d_filter_deps="avcodec"
3417 bm3d_filter_select="dct"
3418 boxblur_filter_deps="gpl"
3419 boxblur_opencl_filter_deps="opencl gpl"
3420 bs2b_filter_deps="libbs2b"
3421 colorkey_opencl_filter_deps="opencl"
3422 colormatrix_filter_deps="gpl"
3423 convolution_opencl_filter_deps="opencl"
3424 convolve_filter_deps="avcodec"
3425 convolve_filter_select="fft"
3426 coreimage_filter_deps="coreimage appkit"
3427 coreimage_filter_extralibs="-framework OpenGL"
3428 coreimagesrc_filter_deps="coreimage appkit"
3429 coreimagesrc_filter_extralibs="-framework OpenGL"
3430 cover_rect_filter_deps="avcodec avformat gpl"
3431 cropdetect_filter_deps="gpl"
3432 deconvolve_filter_deps="avcodec"
3433 deconvolve_filter_select="fft"
3434 deinterlace_qsv_filter_deps="libmfx"
3435 deinterlace_vaapi_filter_deps="vaapi"
3436 delogo_filter_deps="gpl"
3437 denoise_vaapi_filter_deps="vaapi"
3438 deshake_filter_select="pixelutils"
3439 dilation_opencl_filter_deps="opencl"
3440 drawtext_filter_deps="libfreetype"
3441 drawtext_filter_suggest="libfontconfig libfribidi"
3442 elbg_filter_deps="avcodec"
3443 eq_filter_deps="gpl"
3444 erosion_opencl_filter_deps="opencl"
3445 fftfilt_filter_deps="avcodec"
3446 fftfilt_filter_select="rdft"
3447 fftdnoiz_filter_deps="avcodec"
3448 fftdnoiz_filter_select="fft"
3449 find_rect_filter_deps="avcodec avformat gpl"
3450 firequalizer_filter_deps="avcodec"
3451 firequalizer_filter_select="rdft"
3452 flite_filter_deps="libflite"
3453 framerate_filter_select="scene_sad"
3454 freezedetect_filter_select="scene_sad"
3455 frei0r_filter_deps="frei0r libdl"
3456 frei0r_src_filter_deps="frei0r libdl"
3457 fspp_filter_deps="gpl"
3458 geq_filter_deps="gpl"
3459 histeq_filter_deps="gpl"
3460 hqdn3d_filter_deps="gpl"
3461 interlace_filter_deps="gpl"
3462 kerndeint_filter_deps="gpl"
3463 ladspa_filter_deps="ladspa libdl"
3464 lensfun_filter_deps="liblensfun version3"
3465 lv2_filter_deps="lv2"
3466 mcdeint_filter_deps="avcodec gpl"
3467 movie_filter_deps="avcodec avformat"
3468 mpdecimate_filter_deps="gpl"
3469 mpdecimate_filter_select="pixelutils"
3470 minterpolate_filter_select="scene_sad"
3471 mptestsrc_filter_deps="gpl"
3472 negate_filter_deps="lut_filter"
3473 nnedi_filter_deps="gpl"
3474 ocr_filter_deps="libtesseract"
3475 ocv_filter_deps="libopencv"
3476 openclsrc_filter_deps="opencl"
3477 overlay_opencl_filter_deps="opencl"
3478 overlay_qsv_filter_deps="libmfx"
3479 overlay_qsv_filter_select="qsvvpp"
3480 owdenoise_filter_deps="gpl"
3481 pan_filter_deps="swresample"
3482 perspective_filter_deps="gpl"
3483 phase_filter_deps="gpl"
3484 pp7_filter_deps="gpl"
3485 pp_filter_deps="gpl postproc"
3486 prewitt_opencl_filter_deps="opencl"
3487 procamp_vaapi_filter_deps="vaapi"
3488 program_opencl_filter_deps="opencl"
3489 pullup_filter_deps="gpl"
3490 removelogo_filter_deps="avcodec avformat swscale"
3491 repeatfields_filter_deps="gpl"
3492 resample_filter_deps="avresample"
3493 roberts_opencl_filter_deps="opencl"
3494 rubberband_filter_deps="librubberband"
3495 sab_filter_deps="gpl swscale"
3496 scale2ref_filter_deps="swscale"
3497 scale_filter_deps="swscale"
3498 scale_qsv_filter_deps="libmfx"
3499 select_filter_select="scene_sad"
3500 sharpness_vaapi_filter_deps="vaapi"
3501 showcqt_filter_deps="avcodec avformat swscale"
3502 showcqt_filter_suggest="libfontconfig libfreetype"
3503 showcqt_filter_select="fft"
3504 showfreqs_filter_deps="avcodec"
3505 showfreqs_filter_select="fft"
3506 showspectrum_filter_deps="avcodec"
3507 showspectrum_filter_select="fft"
3508 showspectrumpic_filter_deps="avcodec"
3509 showspectrumpic_filter_select="fft"
3510 signature_filter_deps="gpl avcodec avformat"
3511 smartblur_filter_deps="gpl swscale"
3512 sobel_opencl_filter_deps="opencl"
3513 sofalizer_filter_deps="libmysofa avcodec"
3514 sofalizer_filter_select="fft"
3515 spectrumsynth_filter_deps="avcodec"
3516 spectrumsynth_filter_select="fft"
3517 spp_filter_deps="gpl avcodec"
3518 spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"
3519 sr_filter_deps="avformat swscale"
3520 sr_filter_select="dnn"
3521 stereo3d_filter_deps="gpl"
3522 subtitles_filter_deps="avformat avcodec libass"
3523 super2xsai_filter_deps="gpl"
3524 pixfmts_super2xsai_test_deps="super2xsai_filter"
3525 tinterlace_filter_deps="gpl"
3526 tinterlace_merge_test_deps="tinterlace_filter"
3527 tinterlace_pad_test_deps="tinterlace_filter"
3528 tonemap_filter_deps="const_nan"
3529 tonemap_opencl_filter_deps="opencl const_nan"
3530 transpose_opencl_filter_deps="opencl"
3531 transpose_vaapi_filter_deps="vaapi VAProcPipelineCaps_rotation_flags"
3532 unsharp_opencl_filter_deps="opencl"
3533 uspp_filter_deps="gpl avcodec"
3534 vaguedenoiser_filter_deps="gpl"
3535 vidstabdetect_filter_deps="libvidstab"
3536 vidstabtransform_filter_deps="libvidstab"
3537 libvmaf_filter_deps="libvmaf pthreads"
3538 zmq_filter_deps="libzmq"
3539 zoompan_filter_deps="swscale"
3540 zscale_filter_deps="libzimg const_nan"
3541 scale_vaapi_filter_deps="vaapi"
3542 vpp_qsv_filter_deps="libmfx"
3543 vpp_qsv_filter_select="qsvvpp"
3544 yadif_cuda_filter_deps="ffnvcodec cuda_nvcc"
3547 avio_dir_cmd_deps="avformat avutil"
3548 avio_reading_deps="avformat avcodec avutil"
3549 decode_audio_example_deps="avcodec avutil"
3550 decode_video_example_deps="avcodec avutil"
3551 demuxing_decoding_example_deps="avcodec avformat avutil"
3552 encode_audio_example_deps="avcodec avutil"
3553 encode_video_example_deps="avcodec avutil"
3554 extract_mvs_example_deps="avcodec avformat avutil"
3555 filter_audio_example_deps="avfilter avutil"
3556 filtering_audio_example_deps="avfilter avcodec avformat avutil"
3557 filtering_video_example_deps="avfilter avcodec avformat avutil"
3558 http_multiclient_example_deps="avformat avutil fork"
3559 hw_decode_example_deps="avcodec avformat avutil"
3560 metadata_example_deps="avformat avutil"
3561 muxing_example_deps="avcodec avformat avutil swscale"
3562 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder"
3563 remuxing_example_deps="avcodec avformat avutil"
3564 resampling_audio_example_deps="avutil swresample"
3565 scaling_video_example_deps="avutil swscale"
3566 transcode_aac_example_deps="avcodec avformat swresample"
3567 transcoding_example_deps="avfilter avcodec avformat avutil"
3568 vaapi_encode_example_deps="avcodec avutil h264_vaapi_encoder"
3569 vaapi_transcode_example_deps="avcodec avformat avutil h264_vaapi_encoder"
3572 cpu_init_extralibs="pthreads_extralibs"
3573 cws2fws_extralibs="zlib_extralibs"
3575 # libraries, in any order
3576 avcodec_deps="avutil"
3577 avcodec_suggest="libm"
3578 avcodec_select="null_bsf"
3579 avdevice_deps="avformat avcodec avutil"
3580 avdevice_suggest="libm"
3581 avfilter_deps="avutil"
3582 avfilter_suggest="libm"
3583 avformat_deps="avcodec avutil"
3584 avformat_suggest="libm network zlib"
3585 avresample_deps="avutil"
3586 avresample_suggest="libm"
3587 avutil_suggest="clock_gettime ffnvcodec libm libdrm libmfx opencl user32 vaapi videotoolbox corefoundation corevideo coremedia bcrypt"
3588 postproc_deps="avutil gpl"
3589 postproc_suggest="libm"
3590 swresample_deps="avutil"
3591 swresample_suggest="libm libsoxr"
3592 swscale_deps="avutil"
3593 swscale_suggest="libm"
3595 avcodec_extralibs="pthreads_extralibs iconv_extralibs dxva2_extralibs"
3596 avfilter_extralibs="pthreads_extralibs"
3597 avutil_extralibs="d3d11va_extralibs nanosleep_extralibs pthreads_extralibs vaapi_drm_extralibs vaapi_x11_extralibs vdpau_x11_extralibs"
3600 ffmpeg_deps="avcodec avfilter avformat"
3601 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
3602 hflip_filter null_filter
3603 transpose_filter trim_filter vflip_filter"
3604 ffmpeg_suggest="ole32 psapi shell32"
3605 ffplay_deps="avcodec avformat swscale swresample sdl2"
3606 ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"
3607 ffplay_suggest="shell32"
3608 ffprobe_deps="avcodec avformat"
3609 ffprobe_suggest="shell32"
3612 podpages_deps="perl"
3613 manpages_deps="perl pod2man"
3614 htmlpages_deps="perl"
3615 htmlpages_deps_any="makeinfo_html texi2html"
3616 txtpages_deps="perl makeinfo"
3617 doc_deps_any="manpages htmlpages podpages txtpages"
3619 # default parameters
3621 logfile="ffbuild/config.log"
3623 # installation paths
3624 prefix_default="/usr/local"
3625 bindir_default='${prefix}/bin'
3626 datadir_default='${prefix}/share/ffmpeg'
3627 docdir_default='${prefix}/share/doc/ffmpeg'
3628 incdir_default='${prefix}/include'
3629 libdir_default='${prefix}/lib'
3630 mandir_default='${prefix}/share/man'
3636 host_cc_default="gcc"
3637 doxygen_default="doxygen"
3639 ln_s_default="ln -s -f"
3641 pkg_config_default=pkg-config
3642 ranlib_default="ranlib"
3643 strip_default="strip"
3644 version_script='--version-script'
3646 x86asmexe_default="nasm"
3647 windres_default="windres"
3649 nvccflags_default="-gencode arch=compute_30,code=sm_30 -O2"
3653 target_os_default=$(tolower $(uname -s))
3654 host_os=$target_os_default
3657 if test "$target_os_default" = aix; then
3658 arch_default=$(uname -p)
3659 strip_default="strip -X32_64"
3660 nm_default="nm -g -X32_64"
3662 arch_default=$(uname -m)
3667 # configurable options
3668 enable $PROGRAM_LIST
3669 enable $DOCUMENT_LIST
3670 enable $EXAMPLE_LIST
3671 enable $(filter_out avresample $LIBRARY_LIST)
3677 enable faan faandct faanidct
3678 enable optimizations
3679 enable runtime_cpudetect
3680 enable safe_bitstream_reader
3682 enable swscale_alpha
3683 enable valgrind_backtrace
3685 sws_max_filter_size_default=256
3686 set_default sws_max_filter_size
3688 # internal components are enabled by default
3689 enable $EXTRALIBS_LIST
3691 # Avoid external, non-system, libraries getting enabled by dependency resolution
3692 disable $EXTERNAL_LIBRARY_LIST $HWACCEL_LIBRARY_LIST
3695 SHFLAGS='-shared -Wl,-soname,$$(@F)'
3698 FULLNAME='$(NAME)$(BUILDSUF)'
3699 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
3702 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
3703 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
3704 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
3705 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
3706 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
3707 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
3708 VERSION_SCRIPT_POSTPROCESS_CMD="cat"
3735 host_extralibs='-lm'
3736 host_cflags_filter=echo
3737 host_ldflags_filter=echo
3739 target_path='$(CURDIR)'
3741 # since the object filename is not given with the -MM flag, the compiler
3742 # is only able to print the basename, and we must add the path ourselves
3743 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>/dev/null | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(@F),$(@D)/$(@F)," > $(@:.o=.d)'
3749 if test -f configure; then
3751 elif test -f src/configure; then
3754 source_path=$(cd $(dirname "$0"); pwd)
3755 case "$source_path" in
3756 *[[:blank:]]*) die "Out of tree builds are impossible with whitespace in source path." ;;
3758 test -e "$source_path/config.h" &&
3759 die "Out of tree builds are impossible with config.h in source dir."
3766 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
3769 find_things_extern(){
3772 file=$source_path/$3
3774 sed -n "s/^[^#]*extern.*$pattern *ff_\([^ ]*\)_$thing;/\1_$out/p" "$file"
3777 find_filters_extern(){
3778 file=$source_path/$1
3779 sed -n 's/^extern AVFilter ff_[avfsinkrc]\{2,5\}_\([[:alnum:]_]\{1,\}\);/\1_filter/p' $file
3782 FILTER_LIST=$(find_filters_extern libavfilter/allfilters.c)
3783 OUTDEV_LIST=$(find_things_extern muxer AVOutputFormat libavdevice/alldevices.c outdev)
3784 INDEV_LIST=$(find_things_extern demuxer AVInputFormat libavdevice/alldevices.c indev)
3785 MUXER_LIST=$(find_things_extern muxer AVOutputFormat libavformat/allformats.c)
3786 DEMUXER_LIST=$(find_things_extern demuxer AVInputFormat libavformat/allformats.c)
3787 ENCODER_LIST=$(find_things_extern encoder AVCodec libavcodec/allcodecs.c)
3788 DECODER_LIST=$(find_things_extern decoder AVCodec libavcodec/allcodecs.c)
3793 PARSER_LIST=$(find_things_extern parser AVCodecParser libavcodec/parsers.c)
3794 BSF_LIST=$(find_things_extern bsf AVBitStreamFilter libavcodec/bitstream_filters.c)
3795 HWACCEL_LIST=$(find_things_extern hwaccel AVHWAccel libavcodec/hwaccels.h)
3796 PROTOCOL_LIST=$(find_things_extern protocol URLProtocol libavformat/protocols.c)
3798 AVCODEC_COMPONENTS_LIST="
3806 AVDEVICE_COMPONENTS_LIST="
3811 AVFILTER_COMPONENTS_LIST="
3815 AVFORMAT_COMPONENTS_LIST="
3822 $AVCODEC_COMPONENTS_LIST
3823 $AVDEVICE_COMPONENTS_LIST
3824 $AVFILTER_COMPONENTS_LIST
3825 $AVFORMAT_COMPONENTS_LIST
3828 for n in $COMPONENT_LIST; do
3829 v=$(toupper ${n%s})_LIST
3831 eval ${n}_if_any="\$$v"
3834 enable $ARCH_EXT_LIST
3837 echo "Unknown option \"$1\"."
3838 echo "See $0 --help for available options."
3842 print_in_columns() {
3843 cols=$(expr $ncols / 24)
3844 cat | tr ' ' '\n' | sort | pr -r "-$cols" -w $ncols -t
3850 echo $* | sed s/$suffix//g | print_in_columns
3862 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
3863 echo "prob ${prob:-0.5}"
3871 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
3872 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
3881 --extra-ldexeflags=*)
3882 add_ldexeflags $optval
3884 --extra-ldsoflags=*)
3885 add_ldsoflags $optval
3887 --extra-ldlibflags=*)
3888 warn "The --extra-ldlibflags option is only provided for compatibility and will be\n"\
3889 "removed in the future. Use --extra-ldsoflags instead."
3890 add_ldsoflags $optval
3893 add_extralibs $optval
3896 disable $INDEV_LIST $OUTDEV_LIST
3899 debuglevel="$optval"
3902 disable $PROGRAM_LIST
3904 --disable-everything)
3905 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3908 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3909 disable $LIBRARY_LIST $PROGRAM_LIST doc
3912 --enable-random|--disable-random)
3913 action=${opt%%-random}
3914 do_random ${action#--} $COMPONENT_LIST
3916 --enable-random=*|--disable-random=*)
3917 action=${opt%%-random=*}
3918 do_random ${action#--} $optval
3923 --enable-*=*|--disable-*=*)
3924 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
3925 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
3926 eval list=\$$(toupper $thing)_LIST
3927 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
3928 list=$(filter "$name" $list)
3929 [ "$list" = "" ] && warn "Option $opt did not match anything"
3930 test $action = enable && warn_if_gets_disabled $list
3933 --enable-yasm|--disable-yasm)
3934 warn "The ${opt} option is only provided for compatibility and will be\n"\
3935 "removed in the future. Use --enable-x86asm / --disable-x86asm instead."
3936 test $opt = --enable-yasm && x86asm=yes || x86asm=no
3939 warn "The --yasmexe option is only provided for compatibility and will be\n"\
3940 "removed in the future. Use --x86asmexe instead."
3943 --enable-?*|--disable-?*)
3944 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
3945 if is_in $option $COMPONENT_LIST; then
3946 test $action = disable && action=unset
3947 eval $action \$$(toupper ${option%s})_LIST
3948 elif is_in $option $CMDLINE_SELECT; then
3955 NAME="${opt#--list-}"
3956 is_in $NAME $COMPONENT_LIST || die_unknown $opt
3958 eval show_list $NAME \$$(toupper $NAME)_LIST
3960 --help|-h) show_help
3962 --quiet|-q) quiet=yes
3964 --fatal-warnings) enable fatal_warnings
3967 libfuzzer_path="$optval"
3970 optname="${opt%%=*}"
3971 optname="${optname#--}"
3972 optname=$(echo "$optname" | sed 's/-/_/g')
3973 if is_in $optname $CMDLINE_SET; then
3974 eval $optname='$optval'
3975 elif is_in $optname $CMDLINE_APPEND; then
3976 append $optname "$optval"
3988 if disabled autodetect; then
3990 # Unless iconv is explicitely disabled by the user, we still want to probe
3991 # for the iconv from the libc.
3992 disabled iconv || enable libc_iconv
3994 disable_weak $EXTERNAL_AUTODETECT_LIBRARY_LIST
3995 disable_weak $HWACCEL_AUTODETECT_LIBRARY_LIST
3997 # Mark specifically enabled, but normally autodetected libraries as requested.
3998 for lib in $AUTODETECT_LIBS; do
3999 enabled $lib && request $lib
4001 #TODO: switch to $AUTODETECT_LIBS when $THREADS_LIST is supported the same way
4002 enable_weak $EXTERNAL_AUTODETECT_LIBRARY_LIST
4003 enable_weak $HWACCEL_AUTODETECT_LIBRARY_LIST
4005 disabled logging && logfile=/dev/null
4007 # command line configuration sanity checks
4009 # we need to build at least one lib type
4010 if ! enabled_any static shared; then
4012 At least one library type must be built.
4013 Specify --enable-static to build the static libraries or --enable-shared to
4014 build the shared libraries as well. To only build the shared libraries specify
4015 --disable-static in addition to --enable-shared.
4020 die_license_disabled() {
4021 enabled $1 || { enabled $v && die "$v is $1 and --enable-$1 is not specified."; }
4024 die_license_disabled_gpl() {
4025 enabled $1 || { enabled $v && die "$v is incompatible with the gpl and --enable-$1 is not specified."; }
4028 map "die_license_disabled gpl" $EXTERNAL_LIBRARY_GPL_LIST $EXTERNAL_LIBRARY_GPLV3_LIST
4029 map "die_license_disabled version3" $EXTERNAL_LIBRARY_VERSION3_LIST $EXTERNAL_LIBRARY_GPLV3_LIST
4031 enabled gpl && map "die_license_disabled_gpl nonfree" $EXTERNAL_LIBRARY_NONFREE_LIST
4032 map "die_license_disabled nonfree" $HWACCEL_LIBRARY_NONFREE_LIST
4034 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
4036 if enabled nonfree; then
4037 license="nonfree and unredistributable"
4038 elif enabled gplv3; then
4039 license="GPL version 3 or later"
4040 elif enabled lgplv3; then
4041 license="LGPL version 3 or later"
4042 elif enabled gpl; then
4043 license="GPL version 2 or later"
4045 license="LGPL version 2.1 or later"
4048 enabled_all gnutls openssl &&
4049 die "GnuTLS and OpenSSL must not be enabled at the same time."
4051 enabled_all gnutls mbedtls &&
4052 die "GnuTLS and mbedTLS must not be enabled at the same time."
4054 enabled_all openssl mbedtls &&
4055 die "OpenSSL and mbedTLS must not be enabled at the same time."
4057 # Disable all the library-specific components if the library itself
4058 # is disabled, see AVCODEC_LIST and following _LIST variables.
4060 disable_components(){
4061 disabled ${1} && disable $(
4062 eval components="\$$(toupper ${1})_COMPONENTS"
4063 map 'eval echo \${$(toupper ${v%s})_LIST}' $components
4067 map 'disable_components $v' $LIBRARY_LIST
4069 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
4072 test -n "$valgrind" && toolchain="valgrind-memcheck"
4074 enabled ossfuzz && ! echo $CFLAGS | grep -q -- "-fsanitize=" && ! echo $CFLAGS | grep -q -- "-fcoverage-mapping" &&{
4075 add_cflags -fsanitize=address,undefined -fsanitize-coverage=trace-pc-guard,trace-cmp -fno-omit-frame-pointer
4076 add_ldflags -fsanitize=address,undefined -fsanitize-coverage=trace-pc-guard,trace-cmp
4079 case "$toolchain" in
4081 cc_default="${toolchain%-asan}"
4082 add_cflags -fsanitize=address
4083 add_ldflags -fsanitize=address
4086 cc_default="${toolchain%-msan}"
4087 add_cflags -fsanitize=memory -fsanitize-memory-track-origins
4088 add_ldflags -fsanitize=memory
4091 cc_default="${toolchain%-tsan}"
4092 add_cflags -fsanitize=thread
4093 add_ldflags -fsanitize=thread
4094 case "$toolchain" in
4102 cc_default="${toolchain%-usan}"
4103 add_cflags -fsanitize=undefined
4104 add_ldflags -fsanitize=undefined
4107 target_exec_default="valgrind"
4108 case "$toolchain" in
4110 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"
4113 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
4118 # Check whether the current MSVC version needs the C99 converter.
4119 # From MSVC 2013 (compiler major version 18) onwards, it does actually
4120 # support enough of C99 to build ffmpeg. Default to the new
4121 # behaviour if the regexp was unable to match anything, since this
4122 # successfully parses the version number of existing supported
4123 # versions that require the converter (MSVC 2010 and 2012).
4124 cl_major_ver=$(cl.exe 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
4125 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
4127 cxx_default="cl.exe"
4129 die "Unsupported MSVC version (2013 or newer required)"
4131 ld_default="$source_path/compat/windows/mslink"
4132 nm_default="dumpbin.exe -symbols"
4133 ar_default="lib.exe"
4136 as_default="armasm64.exe"
4139 as_default="armasm.exe"
4142 target_os_default="win32"
4143 # Use a relative path for TMPDIR. This makes sure all the
4144 # ffconf temp files are written with a relative path, avoiding
4145 # issues with msys/win32 path conversion for MSVC parameters
4146 # such as -Fo<file> or -out:<file>.
4152 nm_default="dumpbin -symbols"
4154 target_os_default="win32"
4158 add_cflags -fprofile-arcs -ftest-coverage
4159 add_ldflags -fprofile-arcs -ftest-coverage
4162 add_cflags -fprofile-arcs -ftest-coverage
4163 add_ldflags --coverage
4166 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
4167 add_cflags -fno-strict-overflow -fstack-protector-all
4168 add_ldflags -Wl,-z,relro -Wl,-z,now
4170 add_ldexeflags -fPIE -pie
4173 die "Unknown toolchain $toolchain"
4177 if test -n "$cross_prefix"; then
4178 test -n "$arch" && test -n "$target_os" ||
4179 die "Must specify target arch (--arch) and OS (--target-os) when cross-compiling"
4180 enable cross_compile
4183 set_default target_os
4184 if test "$target_os" = android; then
4188 ar_default="${cross_prefix}${ar_default}"
4189 cc_default="${cross_prefix}${cc_default}"
4190 cxx_default="${cross_prefix}${cxx_default}"
4191 nm_default="${cross_prefix}${nm_default}"
4192 pkg_config_default="${cross_prefix}${pkg_config_default}"
4193 if ${cross_prefix}${ranlib_default} 2>&1 | grep -q "\-D "; then
4194 ranlib_default="${cross_prefix}${ranlib_default} -D"
4196 ranlib_default="${cross_prefix}${ranlib_default}"
4198 strip_default="${cross_prefix}${strip_default}"
4199 windres_default="${cross_prefix}${windres_default}"
4201 sysinclude_default="${sysroot}/usr/include"
4203 set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \
4204 target_exec x86asmexe nvcc
4205 enabled cross_compile || host_cc_default=$cc
4208 pkg_config_fail_message=""
4209 if ! $pkg_config --version >/dev/null 2>&1; then
4210 warn "$pkg_config not found, library detection may fail."
4212 elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then
4213 pkg_config_fail_message="
4214 Note: When building a static binary, add --pkg-config-flags=\"--static\"."
4217 if test $doxygen != $doxygen_default && \
4218 ! $doxygen --version >/dev/null 2>&1; then
4219 warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."
4224 mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
4228 EXESUF=$(exesuf $target_os)
4229 HOSTEXESUF=$(exesuf $host_os)
4231 # set temporary file name
4232 : ${TMPDIR:=$TEMPDIR}
4236 if [ -n "$tempprefix" ] ; then
4238 tmpname="$tempprefix.${HOSTNAME}.${UID}"
4242 elif ! test_cmd mktemp -u XXXXXX; then
4243 # simple replacement for missing mktemp
4244 # NOT SAFE FOR GENERAL USE
4246 tmpname="${2%%XXX*}.${HOSTNAME}.${UID}.$$"
4252 FFTMPDIR=$(mktemp -d "${TMPDIR}/ffconf.XXXXXXXX" 2> /dev/null) ||
4253 die "Unable to create temporary directory in $TMPDIR."
4256 tmp="${FFTMPDIR}/test"$2
4257 (set -C; exec > $tmp) 2> /dev/null ||
4258 die "Unable to create temporary file in $FFTMPDIR."
4262 trap 'rm -rf -- "$FFTMPDIR"' EXIT
4268 tmpfile TMPE $EXESUF
4281 # make sure we can execute files in $TMPDIR
4282 cat > $TMPSH 2>> $logfile <<EOF
4285 chmod +x $TMPSH >> $logfile 2>&1
4286 if ! $TMPSH >> $logfile 2>&1; then
4288 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
4289 variable to another directory and make sure that it is not mounted noexec.
4291 die "Sanity test failed."
4297 # Filter out MSVC cl.exe options from cflags that shouldn't
4298 # be passed to gas-preprocessor
4308 -Wno-switch) echo -Wno-switch-enum ;;
4309 -Wno-format-zero-length) ;;
4310 -Wdisabled-optimization) ;;
4311 -Wno-pointer-sign) echo -Wno-other ;;
4317 msvc_common_flags(){
4320 # In addition to specifying certain flags under the compiler
4321 # specific filters, they must be specified here as well or else the
4322 # generic catch all at the bottom will print the original flag.
4327 -fomit-frame-pointer) ;;
4331 -fno-signed-zeros) ;;
4335 -lz) echo zlib.lib ;;
4336 -lx264) echo libx264.lib ;;
4338 -l*) echo ${flag#-l}.lib ;;
4339 -LARGEADDRESSAWARE) echo $flag ;;
4340 -L*) echo -libpath:${flag#-L} ;;
4347 msvc_common_flags "$@"
4350 -Wall) echo -W3 -wd4018 -wd4146 -wd4244 -wd4305 \
4352 -Wextra) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
4353 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
4354 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
4356 -wd4273 -wd4554 -wd4701 -wd4703 ;;
4362 msvc_common_flags "$@"
4365 # Despite what Intel's documentation says -Wall, which is supported
4366 # on Windows, does enable remarks so disable them here.
4367 -Wall) echo $flag -Qdiag-disable:remark ;;
4368 -std=c99) echo -Qstd=c99 ;;
4387 case "${flag#*=}" in
4388 native) echo -xtarget=native ;;
4389 v9|niagara) echo -xarch=sparc ;;
4390 ultrasparc) echo -xarch=sparcvis ;;
4391 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
4392 i586|pentium) echo -xchip=pentium ;;
4393 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
4394 pentium3*|c3-2) echo -xtarget=pentium3 ;;
4395 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
4396 pentium4*) echo -xtarget=pentium4 ;;
4397 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
4398 *-sse3) echo -xarch=sse3 ;;
4399 core2) echo -xarch=ssse3 -xchip=core2 ;;
4400 bonnell) echo -xarch=ssse3 ;;
4401 corei7|nehalem) echo -xtarget=nehalem ;;
4402 westmere) echo -xtarget=westmere ;;
4403 silvermont) echo -xarch=sse4_2 ;;
4404 corei7-avx|sandybridge) echo -xtarget=sandybridge ;;
4405 core-avx*|ivybridge|haswell|broadwell|skylake*|knl)
4407 amdfam10|barcelona) echo -xtarget=barcelona ;;
4408 btver1) echo -xarch=amdsse4a ;;
4409 btver2|bdver*|znver*) echo -xarch=avx ;;
4410 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
4411 k8|opteron|athlon64|athlon-fx)
4412 echo -xarch=sse2a ;;
4413 athlon*) echo -xarch=pentium_proa ;;
4416 -std=c99) echo -xc99 ;;
4417 -fomit-frame-pointer) echo -xregs=frameptr ;;
4418 -fPIC) echo -KPIC -xcode=pic32 ;;
4419 -W*,*) echo $flag ;;
4420 -f*-*|-W*|-mimpure-text) ;;
4432 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
4433 unset _ld_o _ldflags _ld_lib _ld_path
4434 unset _depflags _DEPCMD _DEPFLAGS
4437 if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
4438 true # no-op to avoid reading stdin in following checks
4439 elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
4441 gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')
4442 _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"
4443 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4446 elif $_cc -v 2>&1 | grep -qi ^gcc; then
4448 gcc_version=$($_cc --version | head -n1)
4449 gcc_basever=$($_cc -dumpversion)
4450 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
4451 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
4452 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
4453 case $gcc_basever in
4456 *) _depflags='-MMD -MF $(@:.o=.d) -MT $@' ;;
4458 if [ "$first" = true ]; then
4459 case $gcc_basever in
4461 warn "gcc 4.2 is outdated and may miscompile FFmpeg. Please use a newer compiler." ;;
4466 elif $_cc --version 2>/dev/null | grep -q ^icc; then
4468 _ident=$($_cc --version | head -n1)
4473 _flags_filter=icc_flags
4474 elif $_cc -v 2>&1 | grep -q xlc; then
4476 _ident=$($_cc -qversion 2>/dev/null | head -n1)
4478 _cflags_size='-O5 -qcompact'
4479 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
4480 test -d "$sysroot" || die "No valid sysroot specified."
4482 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
4483 armcc_conf="$PWD/armcc.conf"
4484 $_cc --arm_linux_configure \
4485 --arm_linux_config_file="$armcc_conf" \
4486 --configure_sysroot="$sysroot" \
4487 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
4488 die "Error creating armcc configuration file."
4489 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
4490 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
4491 as_default="${cross_prefix}gcc"
4495 elif $_cc -v 2>&1 | grep -q clang && ! $_cc -? > /dev/null 2>&1; then
4497 _ident=$($_cc --version 2>/dev/null | head -n1)
4498 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4501 elif $_cc -V 2>&1 | grep -q Sun; then
4503 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
4504 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
4505 _DEPFLAGS='-xM1 -xc99'
4508 _cflags_size='-O5 -xspace'
4509 _flags_filter=suncc_flags
4510 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
4512 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
4513 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4516 _flags_filter='filter_out -Wdisabled-optimization'
4517 elif $_cc -v 2>&1 | grep -q Open64; then
4519 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
4520 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4523 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
4524 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
4526 _ident=$($_cc | head -n1)
4527 # 4509: "This form of conditional instruction is deprecated"
4528 _flags="-nologo -ignore 4509"
4529 _flags_filter=armasm_flags
4530 elif $_cc 2>&1 | grep -q Intel; then
4532 _ident=$($_cc 2>&1 | head -n1)
4533 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
4534 # Not only is O3 broken on 13.x+ but it is slower on all previous
4535 # versions (tested) as well.
4537 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
4538 if $_cc 2>&1 | grep -q Linker; then
4545 _flags_filter=icl_flags
4547 _ld_path='-libpath:'
4548 # -Qdiag-error to make icl error when seeing certain unknown arguments
4549 _flags='-nologo -Qdiag-error:4044,10157'
4550 # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency
4551 # with MSVC which enables it by default.
4552 _cflags='-Qms0 -Qvec- -Qsimd- -GS -fp:precise'
4554 elif $_cc -? 2>/dev/null | grep -q 'LLVM.*Linker'; then
4555 # lld can emulate multiple different linkers; in ms link.exe mode,
4556 # the -? parameter gives the help output which contains an identifyable
4557 # string, while it gives an error in other modes.
4559 # The link.exe mode doesn't have a switch for getting the version,
4560 # but we can force it back to gnu mode and get the version from there.
4561 _ident=$($_cc -flavor gnu --version 2>/dev/null)
4563 _flags_filter=msvc_flags
4565 _ld_path='-libpath:'
4566 elif $_cc -nologo- 2>&1 | grep -q Microsoft || { $_cc -v 2>&1 | grep -q clang && $_cc -? > /dev/null 2>&1; }; then
4568 _ident=$($_cc 2>&1 | head -n1 | tr -d '\r')
4569 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
4570 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
4574 if $_cc -nologo- 2>&1 | grep -q Linker; then
4581 _flags_filter=msvc_flags
4583 _ld_path='-libpath:'
4586 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
4588 _ident=$($_cc --version | head -n1)
4592 _flags_filter=cparser_flags
4595 eval ${pfx}_type=\$_type
4596 eval ${pfx}_ident=\$_ident
4600 eval ${1}_C=\${_cc_c-\${${1}_C}}
4601 eval ${1}_E=\${_cc_e-\${${1}_E}}
4602 eval ${1}_O=\${_cc_o-\${${1}_O}}
4604 if [ -n "$_depflags" ]; then
4605 eval ${1}_DEPFLAGS=\$_depflags
4607 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
4608 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
4609 eval DEP${1}FLAGS=\$_flags
4613 probe_cc cc "$cc" "true"
4614 cflags_filter=$_flags_filter
4615 cflags_speed=$_cflags_speed
4616 cflags_size=$_cflags_size
4617 cflags_noopt=$_cflags_noopt
4618 add_cflags $_flags $_cflags
4619 cc_ldflags=$_ldflags
4623 probe_cc hostcc "$host_cc"
4624 host_cflags_filter=$_flags_filter
4625 host_cflags_speed=$_cflags_speed
4626 add_host_cflags $_flags $_cflags
4629 test -n "$cc_type" && enable $cc_type ||
4630 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
4632 : ${as_default:=$cc}
4633 : ${objcc_default:=$cc}
4634 : ${dep_cc_default:=$cc}
4635 : ${ld_default:=$cc}
4636 : ${host_ld_default:=$host_cc}
4637 set_default ar as objcc dep_cc ld ln_s host_ld windres
4640 asflags_filter=$_flags_filter
4641 add_asflags $_flags $_cflags
4644 probe_cc objcc "$objcc"
4645 objcflags_filter=$_flags_filter
4646 add_objcflags $_flags $_cflags
4650 ldflags_filter=$_flags_filter
4651 add_ldflags $_flags $_ldflags
4652 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
4654 LD_LIB=${_ld_lib-$LD_LIB}
4655 LD_PATH=${_ld_path-$LD_PATH}
4657 probe_cc hostld "$host_ld"
4658 host_ldflags_filter=$_flags_filter
4659 add_host_ldflags $_flags $_ldflags
4660 HOSTLD_O=${_ld_o-$HOSTLD_O}
4662 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
4663 probe_cc depcc "$dep_cc"
4664 CCDEP=${_DEPCMD:-$DEPCMD}
4665 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
4669 if $ar 2>&1 | grep -q Microsoft; then
4672 elif $ar 2>&1 | grep -q "\[D\] "; then
4680 add_cflags $extra_cflags
4681 add_cxxflags $extra_cxxflags
4682 add_objcflags $extra_objcflags
4683 add_asflags $extra_cflags
4685 if test -n "$sysroot"; then
4688 add_cppflags --sysroot="$sysroot"
4689 add_ldflags --sysroot="$sysroot"
4694 if test "$cpu" = host; then
4695 enabled cross_compile &&
4696 die "--cpu=host makes no sense when cross-compiling."
4701 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
4703 s/.*$1=\\([^ ]*\\).*/\\1/
4708 cpu=$(check_native -march || check_native -mcpu)
4712 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
4713 sed -n "/cc1.*-target-cpu /{
4714 s/.*-target-cpu \\([^ ]*\\).*/\\1/
4719 cpu=$(check_native -march)
4723 test "${cpu:-host}" = host &&
4724 die "--cpu=host not supported with compiler $cc"
4727 # Deal with common $arch aliases
4751 "Power Macintosh"|ppc*|powerpc*)
4766 i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
4771 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
4774 # Add processor-specific flags
4775 if enabled aarch64; then
4779 cpuflags="-march=$cpu"
4782 cpuflags="-mcpu=$cpu"
4786 elif enabled alpha; then
4788 cpuflags="-mcpu=$cpu"
4790 elif enabled arm; then
4793 test_cpp_condition stddef.h \
4794 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
4799 if check_arm_arch 4; then echo armv4
4800 elif check_arm_arch 4T; then echo armv4t
4801 elif check_arm_arch 5; then echo armv5
4802 elif check_arm_arch 5E; then echo armv5e
4803 elif check_arm_arch 5T; then echo armv5t
4804 elif check_arm_arch 5TE; then echo armv5te
4805 elif check_arm_arch 5TEJ; then echo armv5te
4806 elif check_arm_arch 6; then echo armv6
4807 elif check_arm_arch 6J; then echo armv6j
4808 elif check_arm_arch 6K; then echo armv6k
4809 elif check_arm_arch 6Z; then echo armv6z
4810 elif check_arm_arch 6KZ; then echo armv6zk
4811 elif check_arm_arch 6ZK; then echo armv6zk
4812 elif check_arm_arch 6T2; then echo armv6t2
4813 elif check_arm_arch 7; then echo armv7
4814 elif check_arm_arch 7A 7_A; then echo armv7-a
4815 elif check_arm_arch 7S; then echo armv7-a
4816 elif check_arm_arch 7R 7_R; then echo armv7-r
4817 elif check_arm_arch 7M 7_M; then echo armv7-m
4818 elif check_arm_arch 7EM 7E_M; then echo armv7-m
4819 elif check_arm_arch 8A 8_A; then echo armv8-a
4823 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
4827 cpuflags="-march=$cpu"
4828 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
4831 cpuflags="-mcpu=$cpu"
4833 cortex-a*) subarch=armv7a ;;
4834 cortex-r*) subarch=armv7r ;;
4835 cortex-m*) enable thumb; subarch=armv7m ;;
4836 arm11*) subarch=armv6 ;;
4837 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
4838 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
4839 *) subarch=$(probe_arm_arch) ;;
4845 armv5t*) enable fast_clz ;;
4848 disabled fast_unaligned || enable fast_unaligned
4852 elif enabled avr32; then
4857 cpuflags="-mpart=$cpu"
4861 cpuflags="-march=$cpu"
4865 cpuflags="-mcpu=$cpu"
4869 cpuflags="-march=$cpu"
4873 elif enabled bfin; then
4875 cpuflags="-mcpu=$cpu"
4877 elif enabled mips; then
4879 cpuflags="-march=$cpu"
4881 if [ "$cpu" != "generic" ]; then
4891 24kc|24kf*|24kec|34kc|1004kc|24kef*|34kf*|1004kf*|74kc|74kf)
4902 enable local_aligned
4903 enable simd_align_16
4907 enable fast_unaligned
4908 disable aligned_stack
4911 # When gcc version less than 5.3.0, add -fno-expensive-optimizations flag.
4912 if [ $cc == gcc ]; then
4913 gcc_version=$(gcc -dumpversion)
4914 if [ "$(echo "$gcc_version 5.3.0" | tr " " "\n" | sort -rV | head -n 1)" == "$gcc_version" ]; then
4915 expensive_optimization_flag=""
4917 expensive_optimization_flag="-fno-expensive-optimizations"
4922 cpuflags="-march=loongson3a -mhard-float $expensive_optimization_flag"
4925 cpuflags="-march=loongson2e -mhard-float $expensive_optimization_flag"
4928 cpuflags="-march=loongson2f -mhard-float $expensive_optimization_flag"
4933 # Unknown CPU. Disable everything.
4934 warn "unknown CPU. Disabling all MIPS optimizations."
4957 24kef*|34kf*|1004kf*)
4965 check_cflags "-mtune=p5600" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops"
4969 check_cflags "-mtune=i6400 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64"
4973 check_cflags "-mtune=p6600 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64"
4977 # We do not disable anything. Is up to the user to disable the unwanted features.
4978 warn 'generic cpu selected'
4981 elif enabled ppc; then
4985 case $(tolower $cpu) in
4986 601|ppc601|powerpc601)
4987 cpuflags="-mcpu=601"
4990 603*|ppc603*|powerpc603*)
4991 cpuflags="-mcpu=603"
4994 604*|ppc604*|powerpc604*)
4995 cpuflags="-mcpu=604"
4998 g3|75*|ppc75*|powerpc75*)
4999 cpuflags="-mcpu=750"
5002 g4|745*|ppc745*|powerpc745*)
5003 cpuflags="-mcpu=7450"
5006 74*|ppc74*|powerpc74*)
5007 cpuflags="-mcpu=7400"
5010 g5|970|ppc970|powerpc970)
5011 cpuflags="-mcpu=970"
5015 cpuflags="-mcpu=$cpu"
5019 cpuflags="-mcpu=$cpu"
5022 cpuflags="-mcpu=cell"
5027 cpuflags="-mcpu=e500mc"
5031 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
5036 cpuflags="-mcpu=8540 -mhard-float"
5042 elif enabled sparc; then
5045 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
5046 cpuflags="-mcpu=$cpu"
5048 ultrasparc*|niagara[234])
5049 cpuflags="-mcpu=$cpu"
5053 elif enabled x86; then
5057 cpuflags="-march=$cpu"
5061 # targets that do NOT support nopl and conditional mov (cmov)
5062 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
5063 cpuflags="-march=$cpu"
5066 # targets that do support nopl and conditional mov (cmov)
5067 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\
5068 |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|skylake*|knl\
5069 |amdfam10|barcelona|b[dt]ver*|znver*)
5070 cpuflags="-march=$cpu"
5074 # targets that do support conditional mov but on which it's slow
5075 pentium4|pentium4m|prescott|nocona)
5076 cpuflags="-march=$cpu"
5084 if [ "$cpu" != generic ]; then
5085 add_cflags $cpuflags
5086 add_asflags $cpuflags
5087 test "$cc_type" = "$ld_type" && add_ldflags $cpuflags
5090 # compiler sanity check
5092 int main(void){ return 0; }
5094 if test "$?" != 0; then
5095 echo "$cc is unable to create an executable file."
5096 if test -z "$cross_prefix" && ! enabled cross_compile ; then
5097 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
5098 echo "Only do this if you know what cross compiling means."
5100 die "C compiler test failed."
5103 add_cppflags -D_ISOC99_SOURCE
5104 add_cxxflags -D__STDC_CONSTANT_MACROS
5105 check_cxxflags -std=c++11 || check_cxxflags -std=c++0x
5107 # some compilers silently accept -std=c11, so we also need to check that the
5108 # version macro is defined properly
5109 test_cflags_cc -std=c11 ctype.h "__STDC_VERSION__ >= 201112L" &&
5110 add_cflags -std=c11 ||
5111 check_cflags -std=c99
5113 check_cppflags -D_FILE_OFFSET_BITS=64
5114 check_cppflags -D_LARGEFILE_SOURCE
5116 add_host_cppflags -D_ISOC99_SOURCE
5117 check_host_cflags -std=c99
5118 check_host_cflags -Wall
5119 check_host_cflags $host_cflags_speed
5124 expr=${3:-'sizeof(void *) > 4'}
5125 test_code cc "" "int test[2*($expr) - 1]" &&
5126 subarch=$arch64 || subarch=$arch32
5132 enabled shared && enable_weak pic
5135 check_64bit mips mips64 '_MIPS_SIM > 1'
5136 enabled shared && enable_weak pic
5139 check_64bit parisc parisc64
5140 enabled shared && enable_weak pic
5143 check_64bit ppc ppc64
5144 enabled shared && enable_weak pic
5147 check_64bit s390 s390x
5148 enabled shared && enable_weak pic
5151 check_64bit sparc sparc64
5152 enabled shared && enable_weak pic
5155 check_64bit x86_32 x86_64
5156 # Treat x32 as x64 for now. Note it also needs pic if shared
5157 test "$subarch" = "x86_32" && test_cpp_condition stddef.h 'defined(__x86_64__)' &&
5158 subarch=x86_64 && enable x86_64 && disable x86_32
5159 if enabled x86_64; then
5160 enabled shared && enable_weak pic
5170 add_cppflags '-I\$(SRC_PATH)/compat/aix'
5171 enabled shared && add_ldflags -Wl,-brtl
5172 arflags='-Xany -r -c'
5177 enable section_data_rel_ro
5179 add_ldexeflags -fPIE -pie
5180 SLIB_INSTALL_NAME='$(SLIBNAME)'
5182 SHFLAGS='-shared -Wl,-soname,$(SLIBNAME)'
5185 prefix_default="/boot/common"
5186 network_extralibs="-lnetwork"
5190 SHFLAGS='-shared -Wl,-h,$$(@F)'
5191 enabled x86 && append SHFLAGS -mimpure-text
5192 network_extralibs="-lsocket -lnsl"
5193 add_cppflags -D__EXTENSIONS__
5194 # When using suncc to build, the Solaris linker will mark
5195 # an executable with each instruction set encountered by
5196 # the Solaris assembler. As our libraries contain their own
5197 # guards for processor-specific code, instead suppress
5198 # generation of the HWCAPS ELF section on Solaris x86 only.
5199 enabled_all suncc x86 &&
5200 echo "hwcap_1 = OVERRIDE;" > mapfile &&
5201 add_ldflags -Wl,-M,mapfile
5202 nm_default='nm -P -g'
5205 VERSION_SCRIPT_POSTPROCESS_CMD='perl $(SRC_PATH)/compat/solaris/make_sunver.pl - $(OBJS)'
5209 oss_indev_extralibs="-lossaudio"
5210 oss_outdev_extralibs="-lossaudio"
5211 enabled gcc || check_ldflags -Wl,-zmuldefs
5217 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
5219 oss_indev_extralibs="-lossaudio"
5220 oss_outdev_extralibs="-lossaudio"
5228 add_extralibs -lpoll -lgnugetopt
5232 enabled ppc && add_asflags -force_cpusubtype_ALL
5233 install_name_dir_default='$(SHLIBDIR)'
5234 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(INSTALL_NAME_DIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
5235 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
5237 add_ldflags -Wl,-dynamic,-search_paths_first
5238 check_cflags -Werror=partial-availability
5240 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
5241 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
5242 enabled x86_64 && objformat="macho64" || objformat="macho32"
5243 enabled_any pic shared x86_64 ||
5244 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
5245 check_headers dispatch/dispatch.h &&
5246 add_cppflags '-I\$(SRC_PATH)/compat/dispatch_semaphore'
5247 if test -n "$sysroot"; then
5248 is_in -isysroot $cc $CPPFLAGS $CFLAGS || check_cppflags -isysroot $sysroot
5249 is_in -isysroot $ld $LDFLAGS || check_ldflags -isysroot $sysroot
5251 version_script='-exported_symbols_list'
5252 VERSION_SCRIPT_POSTPROCESS_CMD='tr " " "\n" | sed -n /global:/,/local:/p | grep ";" | tr ";" "\n" | sed -E "s/(.+)/_\1/g" | sed -E "s/(.+[^*])$$$$/\1*/"'
5255 die "Native MSYS builds are discouraged, please use the MINGW environment."
5260 if enabled x86_64; then
5261 LIBTARGET="i386:x86-64"
5262 elif enabled arm; then
5264 elif enabled aarch64; then
5267 if enabled shared; then
5268 # Cannot build both shared and static libs when using dllimport.
5271 enabled shared && ! enabled small && test_cmd $windres --version && enable gnu_windres
5272 enabled x86_32 && check_ldflags -Wl,--large-address-aware
5273 shlibdir_default="$bindir_default"
5276 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
5277 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
5278 if test_cmd lib.exe -list; then
5279 SLIB_EXTRA_CMD=-'lib.exe -nologo -machine:$(LIBTARGET) -def:$$(@:$(SLIBSUF)=.def) -out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
5280 if enabled x86_64; then
5284 SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
5286 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
5288 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
5289 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
5290 SLIB_CREATE_DEF_CMD='EXTERN_PREFIX="$(EXTERN_PREFIX)" AR="$(AR_CMD)" NM="$(NM_CMD)" $(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
5291 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--disable-auto-image-base $$(@:$(SLIBSUF)=.def)'
5292 enabled x86_64 && objformat="win64" || objformat="win32"
5293 dlltool="${cross_prefix}dlltool"
5296 check_ldflags -Wl,--nxcompat,--dynamicbase
5297 # Lets work around some stupidity in binutils.
5298 # ld will strip relocations from executables even though we need them
5299 # for dynamicbase (ASLR). Using -pie does retain the reloc section
5300 # however ld then forgets what the entry point should be (oops) so we
5301 # have to manually (re)set it.
5302 if enabled x86_32; then
5303 disabled debug && add_ldexeflags -Wl,--pic-executable,-e,_mainCRTStartup
5304 elif enabled x86_64; then
5305 disabled debug && add_ldexeflags -Wl,--pic-executable,-e,mainCRTStartup
5306 check_ldflags -Wl,--high-entropy-va # binutils 2.25
5307 # Set image base >4GB for extra entropy with HEASLR
5308 add_ldexeflags -Wl,--image-base,0x140000000
5309 append SHFLAGS -Wl,--image-base,0x180000000
5314 if enabled shared; then
5315 # Link to the import library instead of the normal static library
5318 # Cannot build both shared and static libs with MSVC or icl.
5321 enabled x86_32 && check_ldflags -LARGEADDRESSAWARE
5322 shlibdir_default="$bindir_default"
5325 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
5326 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
5327 SLIB_CREATE_DEF_CMD='EXTERN_PREFIX="$(EXTERN_PREFIX)" $(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
5328 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
5330 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
5331 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
5332 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
5333 enabled x86_64 && objformat="win64" || objformat="win32"
5339 shlibdir_default="$bindir_default"
5342 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
5343 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
5344 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
5346 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
5347 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
5348 enabled x86_64 && objformat="win64" || objformat="win32"
5350 enabled shared && ! enabled small && test_cmd $windres --version && enable gnu_windres
5351 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
5353 *-dos|freedos|opendos)
5354 network_extralibs="-lsocket"
5359 enable section_data_rel_ro
5360 enabled_any arm aarch64 && enable_weak linux_perf
5364 ranlib="echo ignoring ranlib"
5370 add_cppflags -D_GNU_SOURCE
5371 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zhigh-mem -Zmap
5372 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
5376 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
5377 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(FULLNAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
5378 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(FULLNAME).def; \
5379 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(FULLNAME).def; \
5380 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(FULLNAME).def; \
5381 echo EXPORTS >> $(SUBDIR)$(FULLNAME).def; \
5382 emxexp $(OBJS) >> $(SUBDIR)$(FULLNAME).def'
5383 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(FULLNAME)_dll.a $(SUBDIR)$(FULLNAME).def; \
5384 emximp -o $(SUBDIR)$(LIBPREF)$(FULLNAME)_dll.lib $(SUBDIR)$(FULLNAME).def;'
5385 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
5387 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(FULLNAME)_dll.a $(LIBPREF)$(FULLNAME)_dll.lib'
5389 enable_weak os2threads
5392 add_cppflags -D_BSD_SOURCE
5397 add_cppflags -D_QNX_SOURCE
5398 network_extralibs="-lsocket"
5403 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
5404 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
5405 add_ldflags -Wl,--target1-abs,--no-undefined \
5406 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
5407 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
5408 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
5409 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
5410 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
5417 die "Unknown OS '$target_os'."
5421 # test if creating links works
5422 link_dest=$(mktemp -u $TMPDIR/dest_XXXXXXXX)
5423 link_name=$(mktemp -u $TMPDIR/name_XXXXXXXX)
5425 $ln_s "$link_dest" "$link_name"
5426 touch "$link_dest/test_file"
5427 if [ "$source_path" != "." ] && [ "$source_path" != "src" ] && ([ ! -d src ] || [ -L src ]) && [ -e "$link_name/test_file" ]; then
5428 # create link to source path
5429 [ -e src ] && rm src
5430 $ln_s "$source_path" src
5433 # creating directory links doesn't work
5434 # fall back to using the full source path
5435 source_link="$source_path"
5441 # determine libc flavour
5446 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
5447 if test_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
5448 eval ${pfx}libc_type=uclibc
5449 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
5450 elif test_${pfx}cpp_condition features.h "defined __GLIBC__"; then
5451 eval ${pfx}libc_type=glibc
5452 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
5453 # MinGW headers can be installed on Cygwin, so check for newlib first.
5454 elif test_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
5455 eval ${pfx}libc_type=newlib
5456 add_${pfx}cppflags -U__STRICT_ANSI__ -D_XOPEN_SOURCE=600
5457 # MinGW64 is backwards compatible with MinGW32, so check for it first.
5458 elif test_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
5459 eval ${pfx}libc_type=mingw64
5460 if test_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then
5461 add_compat msvcrt/snprintf.o
5462 add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
5464 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
5465 eval test \$${pfx_no_}cc_type = "gcc" &&
5466 add_${pfx}cppflags -D__printf__=__gnu_printf__
5467 test_${pfx}cpp_condition windows.h "!defined(_WIN32_WINNT) || _WIN32_WINNT < 0x0600" &&
5468 add_${pfx}cppflags -D_WIN32_WINNT=0x0600
5469 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
5470 elif test_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" ||
5471 test_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
5472 eval ${pfx}libc_type=mingw32
5473 test_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
5474 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
5475 die "ERROR: MinGW32 runtime version must be >= 3.15."
5476 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
5477 test_${pfx}cpp_condition _mingw.h "__MSVCRT_VERSION__ < 0x0700" &&
5478 add_${pfx}cppflags -D__MSVCRT_VERSION__=0x0700
5479 test_${pfx}cpp_condition windows.h "!defined(_WIN32_WINNT) || _WIN32_WINNT < 0x0600" &&
5480 add_${pfx}cppflags -D_WIN32_WINNT=0x0600
5481 eval test \$${pfx_no_}cc_type = "gcc" &&
5482 add_${pfx}cppflags -D__printf__=__gnu_printf__
5483 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
5484 elif test_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
5485 eval ${pfx}libc_type=msvcrt
5486 if test_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then
5487 if [ "$pfx" = host_ ]; then
5488 add_host_cppflags -Dsnprintf=_snprintf
5490 add_compat strtod.o strtod=avpriv_strtod
5491 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
5492 _snprintf=avpriv_snprintf \
5493 vsnprintf=avpriv_vsnprintf
5496 add_${pfx}cppflags -D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS
5497 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
5498 # 0x601 by default unless something else is set by the user.
5499 # This can easily lead to us detecting functions only present
5500 # in such new versions and producing binaries requiring windows 7.0.
5501 # Therefore explicitly set the default to Vista unless the user has
5502 # set something else on the command line.
5503 # Don't do this if WINAPI_FAMILY is set and is set to a non-desktop
5504 # family. For these cases, configure is free to use any functions
5505 # found in the SDK headers by default. (Alternatively, we could force
5506 # _WIN32_WINNT to 0x0602 in that case.)
5507 test_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||
5508 { test_${pfx}cpp <<EOF && add_${pfx}cppflags -D_WIN32_WINNT=0x0600; }
5509 #ifdef WINAPI_FAMILY
5510 #include <winapifamily.h>
5511 #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
5516 if [ "$pfx" = "" ]; then
5517 check_func strtoll || add_cflags -Dstrtoll=_strtoi64
5518 check_func strtoull || add_cflags -Dstrtoull=_strtoui64
5520 elif test_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
5521 eval ${pfx}libc_type=klibc
5522 elif test_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then
5523 eval ${pfx}libc_type=bionic
5524 elif test_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then
5525 eval ${pfx}libc_type=solaris
5526 add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
5527 elif test_${pfx}cpp_condition sys/version.h "defined __DJGPP__"; then
5528 eval ${pfx}libc_type=djgpp
5529 add_cppflags -U__STRICT_ANSI__
5530 add_cflags "-include $source_path/compat/djgpp/math.h"
5531 add_compat djgpp/math.o
5535 void *v = localtime_r;
5537 test "$?" != 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
5539 void *v = localtime_r;
5542 eval test -n "\${${pfx}libc_type}" && enable ${pfx}libc_${libc_type}
5548 # hacks for compiler/libc/os combinations
5552 add_compat strtod.o strtod=avpriv_strtod
5556 check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||
5557 add_cppflags '-I\$(SRC_PATH)/compat/float'
5559 test_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
5562 : ${shlibdir_default:="$libdir"}
5563 : ${pkgconfigdir_default:="$libdir/pkgconfig"}
5565 set_default $PATHS_LIST
5568 disabled optimizations || enabled ossfuzz || check_cflags -fomit-frame-pointer
5571 disabled pic && return
5574 case "$target_os" in
5575 mingw*|cygwin*|win*)
5584 enabled pic && enable_weak_pic
5586 test_cc <<EOF || die "Symbol mangling check failed."
5589 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
5590 extern_prefix=${sym%%ff_extern*}
5592 ! disabled inline_asm && check_inline_asm inline_asm '"" ::'
5594 for restrict_keyword in restrict __restrict__ __restrict ""; do
5595 test_code cc "" "char * $restrict_keyword p" && break
5598 check_cc pragma_deprecated "" '_Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"")'
5600 # The global variable ensures the bits appear unchanged in the object file.
5601 test_cc <<EOF || die "endian test failed"
5602 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
5604 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
5606 check_cc const_nan math.h "struct { double d; } static const bar[] = { { NAN } }"
5608 if ! enabled ppc64 || enabled bigendian; then
5613 log "check_gas using '$as' as AS"
5614 # :vararg is used on aarch64, arm and ppc altivec
5616 .macro m n, y:vararg=0
5620 # .altmacro is only used in arm asm
5621 ! enabled arm || check_as gnu_as ".altmacro"
5624 if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then
5626 enabled_any arm aarch64 && nogas=die
5627 enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn
5631 arm*) gaspp_as_type=armasm; as_noop=-h ;;
5632 gcc) gaspp_as_type=gas ;;
5633 *) gaspp_as_type=$as_type ;;
5636 [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"
5638 test "${as#*gas-preprocessor.pl}" != "$as" ||
5639 test_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- ${as:=$cc} $as_noop &&
5640 gas="${gas:=gas-preprocessor.pl} -arch $arch -as-type $gaspp_as_type -- ${as:=$cc}"
5642 if ! check_gas ; then
5645 $nogas "GNU assembler not found, install/update gas-preprocessor"
5648 check_as as_func ".func test
5652 check_inline_asm inline_asm_labels '"1:\n"'
5654 check_inline_asm inline_asm_nonlocal_labels '"Label:\n"'
5656 if enabled aarch64; then
5657 enabled armv8 && check_insn armv8 'prfm pldl1strm, [x0]'
5658 # internal assembler in clang 3.3 does not support this instruction
5659 enabled neon && check_insn neon 'ext v0.8B, v0.8B, v1.8B, #1'
5660 enabled vfp && check_insn vfp 'fmadd d0, d0, d1, d2'
5662 map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM
5664 elif enabled alpha; then
5668 elif enabled arm; then
5670 enabled msvc && check_cpp_condition thumb stddef.h "defined _M_ARMT"
5671 test_cpp_condition stddef.h "defined __thumb__" && test_cc <<EOF && enable_weak thumb
5672 float func(float a, float b){ return a+b; }
5674 enabled thumb && check_cflags -mthumb || check_cflags -marm
5676 if check_cpp_condition vfp_args stddef.h "defined __ARM_PCS_VFP"; then
5678 elif check_cpp_condition vfp_args stddef.h "defined _M_ARM_FP && _M_ARM_FP >= 30"; then
5680 elif ! test_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__" && [ $target_os != darwin ]; then
5681 case "${cross_prefix:-$cc}" in
5682 *hardfloat*) enable vfp_args; fpabi=vfp ;;
5683 *) check_ld "cc" vfp_args <<EOF && fpabi=vfp || fpabi=soft ;;
5684 __asm__ (".eabi_attribute 28, 1");
5685 int main(void) { return 0; }
5688 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
5691 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
5692 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
5693 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
5694 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
5695 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
5696 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
5697 enabled setend && check_insn setend 'setend be'
5699 [ $target_os = linux ] || [ $target_os = android ] ||
5700 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
5703 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
5705 check_as as_arch_directive ".arch armv7-a"
5706 check_as as_dn_directive "ra .dn d0.i16"
5707 check_as as_fpu_directive ".fpu neon"
5709 # llvm's integrated assembler supports .object_arch from llvm 3.5
5710 [ "$objformat" = elf32 ] || [ "$objformat" = elf64 ] &&
5711 check_as as_object_arch ".object_arch armv4"
5713 # MS armasm fails to assemble our PIC constructs
5714 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
5716 elif enabled mips; then
5718 enabled loongson2 && check_inline_asm loongson2 '"dmult.g $8, $9, $10"'
5719 enabled loongson3 && check_inline_asm loongson3 '"gsldxc1 $f0, 0($2, $3)"'
5720 enabled mmi && check_inline_asm mmi '"punpcklhw $f0, $f0, $f0"'
5722 # Enable minimum ISA based on selected options
5723 if enabled mips64; then
5724 enabled mips64r6 && check_inline_asm_flags mips64r6 '"dlsa $0, $0, $0, 1"' '-mips64r6'
5725 enabled mips64r2 && check_inline_asm_flags mips64r2 '"dext $0, $0, 0, 1"' '-mips64r2'
5726 disabled mips64r6 && disabled mips64r2 && check_inline_asm_flags mips64r1 '"daddi $0, $0, 0"' '-mips64'
5728 enabled mips32r6 && check_inline_asm_flags mips32r6 '"aui $0, $0, 0"' '-mips32r6'
5729 enabled mips32r5 && check_inline_asm_flags mips32r5 '"eretnc"' '-mips32r5'
5730 enabled mips32r2 && check_inline_asm_flags mips32r2 '"ext $0, $0, 0, 1"' '-mips32r2'
5731 disabled mips32r6 && disabled mips32r5 && disabled mips32r2 && check_inline_asm_flags mips32r1 '"addi $0, $0, 0"' '-mips32'
5734 enabled mipsfpu && check_inline_asm_flags mipsfpu '"cvt.d.l $f0, $f2"' '-mhard-float'
5735 enabled mipsfpu && (enabled mips32r5 || enabled mips32r6 || enabled mips64r6) && check_inline_asm_flags mipsfpu '"cvt.d.l $f0, $f1"' '-mfp64'
5736 enabled mipsfpu && enabled msa && check_inline_asm_flags msa '"addvi.b $w0, $w1, 1"' '-mmsa' && check_headers msa.h || disable msa
5737 enabled mipsdsp && check_inline_asm_flags mipsdsp '"addu.qb $t0, $t1, $t2"' '-mdsp'
5738 enabled mipsdspr2 && check_inline_asm_flags mipsdspr2 '"absq_s.qb $t0, $t1"' '-mdspr2'
5740 if enabled bigendian && enabled msa; then
5744 elif enabled parisc; then
5746 if enabled gcc; then
5747 case $($cc -dumpversion) in
5748 4.[3-9].*) check_cflags -fno-optimize-sibling-calls ;;
5752 elif enabled ppc; then
5754 enable local_aligned
5756 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
5757 check_inline_asm ibm_asm '"add 0, 0, 0"'
5758 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
5759 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
5761 if enabled altivec; then
5762 check_cflags -maltivec -mabi=altivec
5764 # check if our compiler supports Motorola AltiVec C API
5765 check_cc altivec altivec.h "vector signed int v1 = (vector signed int) { 0 };
5766 vector signed int v2 = (vector signed int) { 1 };
5767 v1 = vec_add(v1, v2);"
5769 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
5772 if enabled vsx; then
5773 check_cflags -mvsx &&
5774 check_cc vsx altivec.h "int v[4] = { 0 };
5775 vector signed int v1 = vec_vsx_ld(0, v);"
5778 if enabled power8; then
5779 check_cpp_condition power8 "altivec.h" "defined(_ARCH_PWR8)"
5782 elif enabled x86; then
5784 check_builtin rdtsc intrin.h "__rdtsc()"
5785 check_builtin mm_empty mmintrin.h "_mm_empty()"
5787 enable local_aligned
5789 # check whether EBP is available on x86
5790 # As 'i' is stored on the stack, this program will crash
5791 # if the base pointer is used to access it because the
5792 # base pointer is cleared in the inline assembly code.
5793 check_exec_crash <<EOF && enable ebp_available
5795 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
5799 # check whether EBX is available on x86
5800 check_inline_asm ebx_available '""::"b"(0)' &&
5801 check_inline_asm ebx_available '"":::"%ebx"'
5803 # check whether xmm clobbers are supported
5804 check_inline_asm xmm_clobbers '"":::"%xmm0"'
5806 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' ||
5807 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"'
5809 # check whether binutils is new enough to compile SSSE3/MMXEXT
5810 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
5811 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
5815 if test_cmd $x86asmexe_probe -v; then
5816 x86asmexe=$x86asmexe_probe
5818 x86asm_debug="-g -F dwarf"
5820 X86ASM_DEPFLAGS='-MD $(@:.o=.d)'
5821 elif test_cmd $x86asmexe_probe --version; then
5822 x86asmexe=$x86asmexe_probe
5824 x86asm_debug="-g dwarf2"
5825 X86ASMDEP='$(DEPX86ASM) $(X86ASMFLAGS) -M $(X86ASM_O) $< > $(@:.o=.d)'
5828 check_x86asm x86asm "movbe ecx, [5]"
5831 if ! disabled_any asm mmx x86asm; then
5833 for program in $x86asmexe nasm yasm; do
5834 probe_x86asm $program && break
5836 disabled x86asm && die "nasm/yasm not found or too old. Use --disable-x86asm for a crippled build."
5837 X86ASMFLAGS="-f $objformat"
5838 enabled pic && append X86ASMFLAGS "-DPIC"
5839 test -n "$extern_prefix" && append X86ASMFLAGS "-DPREFIX"
5840 case "$objformat" in
5841 elf*) enabled debug && append X86ASMFLAGS $x86asm_debug ;;
5844 check_x86asm avx512_external "vmovdqa32 [eax]{k1}{z}, zmm0"
5845 check_x86asm avx2_external "vextracti128 xmm0, ymm0, 0"
5846 check_x86asm xop_external "vpmacsdd xmm0, xmm1, xmm2, xmm3"
5847 check_x86asm fma4_external "vfmaddps ymm0, ymm1, ymm2, ymm3"
5848 check_x86asm cpunop "CPU amdnop"
5852 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
5859 check_cc intrinsics_neon arm_neon.h "int16x8_t test = vdupq_n_s16(0)"
5861 check_ldflags -Wl,--as-needed
5862 check_ldflags -Wl,-z,noexecstack
5864 if ! disabled network; then
5865 check_func getaddrinfo $network_extralibs
5866 check_func inet_aton $network_extralibs
5868 check_type netdb.h "struct addrinfo"
5869 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
5870 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
5871 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
5872 check_type poll.h "struct pollfd"
5873 check_type netinet/sctp.h "struct sctp_event_subscribe"
5874 check_struct "sys/socket.h" "struct msghdr" msg_flags
5875 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
5876 check_type netinet/in.h "struct sockaddr_in6"
5877 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
5878 check_type "sys/types.h sys/socket.h" socklen_t
5880 # Prefer arpa/inet.h over winsock2
5881 if check_headers arpa/inet.h ; then
5882 check_func closesocket
5883 elif check_headers winsock2.h ; then
5884 check_func_headers winsock2.h closesocket -lws2 &&
5885 network_extralibs="-lws2" ||
5886 { check_func_headers winsock2.h closesocket -lws2_32 &&
5887 network_extralibs="-lws2_32"; } || disable winsock2_h network
5888 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
5890 check_type ws2tcpip.h socklen_t
5891 check_type ws2tcpip.h "struct addrinfo"
5892 check_type ws2tcpip.h "struct group_source_req"
5893 check_type ws2tcpip.h "struct ip_mreq_source"
5894 check_type ws2tcpip.h "struct ipv6_mreq"
5895 check_type winsock2.h "struct pollfd"
5896 check_struct winsock2.h "struct sockaddr" sa_len
5897 check_type ws2tcpip.h "struct sockaddr_in6"
5898 check_type ws2tcpip.h "struct sockaddr_storage"
5904 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
5905 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
5906 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
5907 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
5908 check_builtin gmtime_r time.h "time_t *time; struct tm *tm; gmtime_r(time, tm)"
5909 check_builtin localtime_r time.h "time_t *time; struct tm *tm; localtime_r(time, tm)"
5910 check_builtin x264_csp_bgr "stdint.h x264.h" "X264_CSP_BGR"
5912 case "$custom_allocator" in
5914 # jemalloc by default does not use a prefix
5915 require libjemalloc jemalloc/jemalloc.h malloc -ljemalloc
5918 require_pkg_config libtcmalloc libtcmalloc gperftools/tcmalloc.h tc_malloc
5923 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
5924 check_func ${malloc_prefix}memalign && enable memalign
5925 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
5928 check_func_headers stdlib.h arc4random
5929 check_lib clock_gettime time.h clock_gettime || check_lib clock_gettime time.h clock_gettime -lrt
5932 check_func gethrtime
5934 check_func getrusage
5935 check_func gettimeofday
5940 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
5941 check_func_headers time.h nanosleep || check_lib nanosleep time.h nanosleep -lrt
5942 check_func sched_getaffinity
5943 check_func setrlimit
5944 check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE
5945 check_func strerror_r
5950 check_func_headers conio.h kbhit
5951 check_func_headers io.h setmode
5952 check_func_headers lzo/lzo1x.h lzo1x_999_compress
5953 check_func_headers mach/mach_time.h mach_absolute_time
5954 check_func_headers stdlib.h getenv
5955 check_func_headers sys/stat.h lstat
5957 check_func_headers windows.h GetProcessAffinityMask
5958 check_func_headers windows.h GetProcessTimes
5959 check_func_headers windows.h GetSystemTimeAsFileTime
5960 check_func_headers windows.h LoadLibrary
5961 check_func_headers windows.h MapViewOfFile
5962 check_func_headers windows.h PeekNamedPipe
5963 check_func_headers windows.h SetConsoleTextAttribute
5964 check_func_headers windows.h SetConsoleCtrlHandler
5965 check_func_headers windows.h Sleep
5966 check_func_headers windows.h VirtualAlloc
5967 check_func_headers glob.h glob
5969 check_lib xlib "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext
5971 check_headers direct.h
5972 check_headers dirent.h
5973 check_headers dxgidebug.h
5974 check_headers dxva.h
5975 check_headers dxva2api.h -D_WIN32_WINNT=0x0600
5977 check_headers linux/perf_event.h
5978 check_headers libcrystalhd/libcrystalhd_if.h
5979 check_headers malloc.h
5980 check_headers net/udplite.h
5981 check_headers poll.h
5982 check_headers sys/param.h
5983 check_headers sys/resource.h
5984 check_headers sys/select.h
5985 check_headers sys/time.h
5986 check_headers sys/un.h
5987 check_headers termios.h
5988 check_headers unistd.h
5989 check_headers valgrind/valgrind.h
5990 check_func_headers VideoToolbox/VTCompressionSession.h VTCompressionSessionPrepareToEncodeFrames -framework VideoToolbox
5991 check_headers windows.h
5992 check_headers X11/extensions/XvMClib.h
5993 check_headers asm/types.h
5995 # it seems there are versions of clang in some distros that try to use the
5996 # gcc headers, which explodes for stdatomic
5997 # so we also check that atomics actually work here
5998 check_builtin stdatomic stdatomic.h "atomic_int foo, bar = ATOMIC_VAR_INIT(-1); atomic_store(&foo, 0); foo += bar"
6000 check_lib advapi32 "windows.h" RegCloseKey -ladvapi32
6001 check_lib bcrypt "windows.h bcrypt.h" BCryptGenRandom -lbcrypt &&
6002 check_cpp_condition bcrypt bcrypt.h "defined BCRYPT_RNG_ALGORITHM"
6003 check_lib ole32 "windows.h" CoTaskMemFree -lole32
6004 check_lib shell32 "windows.h shellapi.h" CommandLineToArgvW -lshell32
6005 check_lib psapi "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
6007 check_lib android android/native_window.h ANativeWindow_acquire -landroid
6008 check_lib mediandk "stdint.h media/NdkImage.h" AImage_delete -lmediandk
6009 check_lib camera2ndk "stdbool.h stdint.h camera/NdkCameraManager.h" ACameraManager_create -lcamera2ndk
6011 enabled appkit && check_apple_framework AppKit
6012 enabled audiotoolbox && check_apple_framework AudioToolbox
6013 enabled avfoundation && check_apple_framework AVFoundation
6014 enabled coreimage && check_apple_framework CoreImage
6015 enabled videotoolbox && check_apple_framework VideoToolbox
6017 check_apple_framework CoreFoundation
6018 check_apple_framework CoreMedia
6019 check_apple_framework CoreVideo
6021 enabled avfoundation && {
6022 disable coregraphics applicationservices
6023 check_lib coregraphics CoreGraphics/CoreGraphics.h CGGetActiveDisplayList "-framework CoreGraphics" ||
6024 check_lib applicationservices ApplicationServices/ApplicationServices.h CGGetActiveDisplayList "-framework ApplicationServices"; }
6026 enabled videotoolbox && {
6027 check_lib coreservices CoreServices/CoreServices.h UTGetOSTypeFromString "-framework CoreServices"
6028 check_func_headers CoreMedia/CMFormatDescription.h kCMVideoCodecType_HEVC "-framework CoreMedia"
6029 check_func_headers CoreVideo/CVPixelBuffer.h kCVPixelFormatType_420YpCbCr10BiPlanarVideoRange "-framework CoreVideo"
6032 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
6034 check_type "windows.h dxva.h" "DXVA_PicParams_HEVC" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0
6035 check_type "windows.h dxva.h" "DXVA_PicParams_VP9" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0
6036 check_type "windows.h d3d11.h" "ID3D11VideoDecoder"
6037 check_type "windows.h d3d11.h" "ID3D11VideoContext"
6038 check_type "d3d9.h dxva2api.h" DXVA2_ConfigPictureDecode -D_WIN32_WINNT=0x0602
6040 check_type "vdpau/vdpau.h" "VdpPictureInfoHEVC"
6042 if enabled cuda_sdk; then
6043 warn "Option --enable-cuda-sdk is deprecated. Use --enable-cuda-nvcc instead."
6047 if ! disabled ffnvcodec; then
6048 ffnv_hdr_list="ffnvcodec/nvEncodeAPI.h ffnvcodec/dynlink_cuda.h ffnvcodec/dynlink_cuviddec.h ffnvcodec/dynlink_nvcuvid.h"
6049 check_pkg_config ffnvcodec "ffnvcodec >= 9.0.18.0" "$ffnv_hdr_list" "" || \
6050 check_pkg_config ffnvcodec "ffnvcodec >= 8.2.15.8 ffnvcodec < 8.3" "$ffnv_hdr_list" "" || \
6051 check_pkg_config ffnvcodec "ffnvcodec >= 8.1.24.9 ffnvcodec < 8.2" "$ffnv_hdr_list" "" || \
6052 check_pkg_config ffnvcodec "ffnvcodec >= 8.0.14.9 ffnvcodec < 8.1" "$ffnv_hdr_list" ""
6055 check_cpp_condition winrt windows.h "!WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)"
6057 if ! disabled w32threads && ! enabled pthreads; then
6058 check_func_headers "windows.h process.h" _beginthreadex &&
6059 check_type "windows.h" CONDITION_VARIABLE &&
6060 check_type "windows.h" INIT_ONCE &&
6061 enable w32threads || disable w32threads
6062 if ! enabled w32threads && enabled winrt; then
6063 check_func_headers "windows.h" CreateThread &&
6064 enable w32threads || disable w32threads
6068 # check for some common methods of building with pthread support
6069 # do this before the optional library checks as some of them require pthreads
6070 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
6071 if check_lib pthreads pthread.h pthread_join -pthread &&
6072 check_lib pthreads pthread.h pthread_create -pthread; then
6074 elif check_lib pthreads pthread.h pthread_join -pthreads &&
6075 check_lib pthreads pthread.h pthread_create -pthreads; then
6076 add_cflags -pthreads
6077 elif check_lib pthreads pthread.h pthread_join -ldl -pthread &&
6078 check_lib pthreads pthread.h pthread_create -ldl -pthread; then
6079 add_cflags -ldl -pthread
6080 elif check_lib pthreads pthread.h pthread_join -lpthreadGC2 &&
6081 check_lib pthreads pthread.h pthread_create -lpthreadGC2; then
6083 elif check_lib pthreads pthread.h pthread_join -lpthread &&
6084 check_lib pthreads pthread.h pthread_create -lpthread; then
6086 elif check_func pthread_join && check_func pthread_create; then
6089 check_cc pthreads "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER"
6091 if enabled pthreads; then
6092 check_builtin sem_timedwait semaphore.h "sem_t *s; sem_init(s,0,0); sem_timedwait(s,0); sem_destroy(s)" $pthreads_extralibs
6093 check_func pthread_cancel $pthreads_extralibs
6097 enabled zlib && { check_pkg_config zlib zlib "zlib.h" zlibVersion ||
6098 check_lib zlib zlib.h zlibVersion -lz; }
6099 enabled bzlib && check_lib bzlib bzlib.h BZ2_bzlibVersion -lbz2
6100 enabled lzma && check_lib lzma lzma.h lzma_version_number -llzma
6102 # On some systems dynamic loading requires no extra linker flags
6103 check_lib libdl dlfcn.h "dlopen dlsym" || check_lib libdl dlfcn.h "dlopen dlsym" -ldl
6105 check_lib libm math.h sin -lm
6113 for func in $MATH_FUNCS; do
6114 eval check_mathfunc $func \${${func}_args:-1} $libm_extralibs
6117 for func in $COMPLEX_FUNCS; do
6118 eval check_complexfunc $func \${${func}_args:-1}
6121 # these are off by default, so fail if requested and not available
6122 enabled cuda_nvcc && { check_nvcc || die "ERROR: failed checking for nvcc."; }
6123 enabled chromaprint && require chromaprint chromaprint.h chromaprint_get_version -lchromaprint
6124 enabled decklink && { require_headers DeckLinkAPI.h &&
6125 { test_cpp_condition DeckLinkAPIVersion.h "BLACKMAGIC_DECKLINK_API_VERSION >= 0x0a090500" || die "ERROR: Decklink API version must be >= 10.9.5."; } }
6126 enabled frei0r && require_headers "frei0r.h dlfcn.h"
6127 enabled gmp && require gmp gmp.h mpz_export -lgmp
6128 enabled gnutls && require_pkg_config gnutls gnutls gnutls/gnutls.h gnutls_global_init
6129 enabled jni && { [ $target_os = "android" ] && check_headers jni.h && enabled pthreads || die "ERROR: jni not found"; }
6130 enabled ladspa && require_headers "ladspa.h dlfcn.h"
6131 enabled libaom && require_pkg_config libaom "aom >= 1.0.0" aom/aom_codec.h aom_codec_version
6132 enabled libaribb24 && { check_pkg_config libaribb24 "aribb24 > 1.0.3" "aribb24/aribb24.h" arib_instance_new ||
6133 { enabled gpl && require_pkg_config libaribb24 aribb24 "aribb24/aribb24.h" arib_instance_new; } ||
6134 die "ERROR: libaribb24 requires version higher than 1.0.3 or --enable-gpl."; }
6135 enabled lv2 && require_pkg_config lv2 lilv-0 "lilv/lilv.h" lilv_world_new
6136 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
6137 enabled libass && require_pkg_config libass libass ass/ass.h ass_library_init
6138 enabled libbluray && require_pkg_config libbluray libbluray libbluray/bluray.h bd_open
6139 enabled libbs2b && require_pkg_config libbs2b libbs2b bs2b.h bs2b_open
6140 enabled libcelt && require libcelt celt/celt.h celt_decode -lcelt0 &&
6141 { check_lib libcelt celt/celt.h celt_decoder_create_custom -lcelt0 ||
6142 die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
6143 enabled libcaca && require_pkg_config libcaca caca caca.h caca_create_canvas
6144 enabled libcodec2 && require libcodec2 codec2/codec2.h codec2_create -lcodec2
6145 enabled libdav1d && require_pkg_config libdav1d "dav1d >= 0.2.1" "dav1d/dav1d.h" dav1d_version
6146 enabled libdavs2 && require_pkg_config libdavs2 "davs2 >= 1.6.0" davs2.h davs2_decoder_open
6147 enabled libdc1394 && require_pkg_config libdc1394 libdc1394-2 dc1394/dc1394.h dc1394_new
6148 enabled libdrm && require_pkg_config libdrm libdrm xf86drm.h drmGetVersion
6149 enabled libfdk_aac && { check_pkg_config libfdk_aac fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen ||
6150 { require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac &&
6151 warn "using libfdk without pkg-config"; } }
6152 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"
6153 enabled libflite && require libflite "flite/flite.h" flite_init $flite_extralibs
6154 enabled fontconfig && enable libfontconfig
6155 enabled libfontconfig && require_pkg_config libfontconfig fontconfig "fontconfig/fontconfig.h" FcInit
6156 enabled libfreetype && require_pkg_config libfreetype freetype2 "ft2build.h FT_FREETYPE_H" FT_Init_FreeType
6157 enabled libfribidi && require_pkg_config libfribidi fribidi fribidi.h fribidi_version_info
6158 enabled libgme && { check_pkg_config libgme libgme gme/gme.h gme_new_emu ||
6159 require libgme gme/gme.h gme_new_emu -lgme -lstdc++; }
6160 enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
6161 check_lib libgsm "${gsm_hdr}" gsm_create -lgsm && break;
6162 done || die "ERROR: libgsm not found"; }
6163 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc $pthreads_extralibs
6164 enabled libklvanc && require libklvanc libklvanc/vanc.h klvanc_context_create -lklvanc
6165 enabled libkvazaar && require_pkg_config libkvazaar "kvazaar >= 0.8.1" kvazaar.h kvz_api_get
6166 enabled liblensfun && require_pkg_config liblensfun lensfun lensfun.h lf_db_new
6167 # While it may appear that require is being used as a pkg-config
6168 # fallback for libmfx, it is actually being used to detect a different
6169 # installation route altogether. If libmfx is installed via the Intel
6170 # Media SDK or Intel Media Server Studio, these don't come with
6171 # pkg-config support. Instead, users should make sure that the build
6172 # can find the libraries and headers through other means.
6173 enabled libmfx && { check_pkg_config libmfx libmfx "mfx/mfxvideo.h" MFXInit ||
6174 { require libmfx "mfx/mfxvideo.h" MFXInit "-llibmfx $advapi32_extralibs" && warn "using libmfx without pkg-config"; } }
6175 enabled libmodplug && require_pkg_config libmodplug libmodplug libmodplug/modplug.h ModPlug_Load
6176 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame $libm_extralibs
6177 enabled libmysofa && { check_pkg_config libmysofa libmysofa mysofa.h mysofa_load ||
6178 require libmysofa mysofa.h mysofa_load -lmysofa $zlib_extralibs; }
6179 enabled libnpp && { check_lib libnpp npp.h nppGetLibVersion -lnppig -lnppicc -lnppc -lnppidei ||
6180 check_lib libnpp npp.h nppGetLibVersion -lnppi -lnppc -lnppidei ||
6181 die "ERROR: libnpp not found"; }
6182 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
6183 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
6184 enabled libopencv && { check_headers opencv2/core/core_c.h &&
6185 { check_pkg_config libopencv opencv opencv2/core/core_c.h cvCreateImageHeader ||
6186 require libopencv opencv2/core/core_c.h cvCreateImageHeader -lopencv_core -lopencv_imgproc; } ||
6187 require_pkg_config libopencv opencv opencv/cxcore.h cvCreateImageHeader; }
6188 enabled libopenh264 && require_pkg_config libopenh264 openh264 wels/codec_api.h WelsGetCodecVersion
6189 enabled libopenjpeg && { check_pkg_config libopenjpeg "libopenjp2 >= 2.1.0" openjpeg.h opj_version ||
6190 { require_pkg_config libopenjpeg "libopenjp2 >= 2.1.0" openjpeg.h opj_version -DOPJ_STATIC && add_cppflags -DOPJ_STATIC; } }
6191 enabled libopenmpt && require_pkg_config libopenmpt "libopenmpt >= 0.2.6557" libopenmpt/libopenmpt.h openmpt_module_create -lstdc++ && append libopenmpt_extralibs "-lstdc++"
6192 enabled libopus && {
6193 enabled libopus_decoder && {
6194 require_pkg_config libopus opus opus_multistream.h opus_multistream_decoder_create
6196 enabled libopus_encoder && {
6197 require_pkg_config libopus opus opus_multistream.h opus_multistream_surround_encoder_create
6200 enabled libpulse && require_pkg_config libpulse libpulse pulse/pulseaudio.h pa_context_new
6201 enabled librsvg && require_pkg_config librsvg librsvg-2.0 librsvg-2.0/librsvg/rsvg.h rsvg_handle_render_cairo
6202 enabled librtmp && require_pkg_config librtmp librtmp librtmp/rtmp.h RTMP_Socket
6203 enabled librubberband && require_pkg_config librubberband "rubberband >= 1.8.1" rubberband/rubberband-c.h rubberband_new -lstdc++ && append librubberband_extralibs "-lstdc++"
6204 enabled libshine && require_pkg_config libshine shine shine/layer3.h shine_encode_buffer
6205 enabled libsmbclient && { check_pkg_config libsmbclient smbclient libsmbclient.h smbc_init ||
6206 require libsmbclient libsmbclient.h smbc_init -lsmbclient; }
6207 enabled libsnappy && require libsnappy snappy-c.h snappy_compress -lsnappy -lstdc++
6208 enabled libsoxr && require libsoxr soxr.h soxr_create -lsoxr
6209 enabled libssh && require_pkg_config libssh libssh libssh/sftp.h sftp_init
6210 enabled libspeex && require_pkg_config libspeex speex speex/speex.h speex_decoder_init
6211 enabled libsrt && require_pkg_config libsrt "srt >= 1.3.0" srt/srt.h srt_socket
6212 enabled libtensorflow && require libtensorflow tensorflow/c/c_api.h TF_Version -ltensorflow
6213 enabled libtesseract && require_pkg_config libtesseract tesseract tesseract/capi.h TessBaseAPICreate
6214 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
6215 enabled libtls && require_pkg_config libtls libtls tls.h tls_configure
6216 enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame &&
6217 { check_lib libtwolame twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
6218 die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
6219 enabled libv4l2 && require_pkg_config libv4l2 libv4l2 libv4l2.h v4l2_ioctl
6220 enabled libvidstab && require_pkg_config libvidstab "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit
6221 enabled libvmaf && require_pkg_config libvmaf "libvmaf >= 1.3.9" libvmaf.h compute_vmaf
6222 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
6223 enabled libvorbis && require_pkg_config libvorbis vorbis vorbis/codec.h vorbis_info_init &&
6224 require_pkg_config libvorbisenc vorbisenc vorbis/vorbisenc.h vorbis_encode_init
6227 enabled libvpx_vp8_decoder && {
6228 check_pkg_config libvpx_vp8_decoder "vpx >= 1.4.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp8_dx ||
6229 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"
6231 enabled libvpx_vp8_encoder && {
6232 check_pkg_config libvpx_vp8_encoder "vpx >= 1.4.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp8_cx ||
6233 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"
6235 enabled libvpx_vp9_decoder && {
6236 check_pkg_config libvpx_vp9_decoder "vpx >= 1.4.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx ||
6237 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"
6239 enabled libvpx_vp9_encoder && {
6240 check_pkg_config libvpx_vp9_encoder "vpx >= 1.4.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx ||
6241 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"
6243 if disabled_all libvpx_vp8_decoder libvpx_vp9_decoder libvpx_vp8_encoder libvpx_vp9_encoder; then
6244 die "libvpx enabled but no supported decoders found"
6248 enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack
6249 enabled libwebp && {
6250 enabled libwebp_encoder && require_pkg_config libwebp "libwebp >= 0.2.0" webp/encode.h WebPGetEncoderVersion
6251 enabled libwebp_anim_encoder && check_pkg_config libwebp_anim_encoder "libwebpmux >= 0.4.0" webp/mux.h WebPAnimEncoderOptionsInit; }
6252 enabled libx264 && { check_pkg_config libx264 x264 "stdint.h x264.h" x264_encoder_encode ||
6253 { require libx264 "stdint.h x264.h" x264_encoder_encode "-lx264 $pthreads_extralibs $libm_extralibs" &&
6254 warn "using libx264 without pkg-config"; } } &&
6255 require_cpp_condition libx264 x264.h "X264_BUILD >= 118" &&
6256 check_cpp_condition libx262 x264.h "X264_MPEG2"
6257 enabled libx265 && require_pkg_config libx265 x265 x265.h x265_api_get &&
6258 require_cpp_condition libx265 x265.h "X265_BUILD >= 68"
6259 enabled libxavs && require libxavs "stdint.h xavs.h" xavs_encoder_encode "-lxavs $pthreads_extralibs $libm_extralibs"
6260 enabled libxavs2 && require_pkg_config libxavs2 "xavs2 >= 1.3.0" "stdint.h xavs2.h" xavs2_api_get
6261 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
6262 enabled libzimg && require_pkg_config libzimg "zimg >= 2.7.0" zimg.h zimg_get_api_version
6263 enabled libzmq && require_pkg_config libzmq libzmq zmq.h zmq_ctx_new
6264 enabled libzvbi && require_pkg_config libzvbi zvbi-0.2 libzvbi.h vbi_decoder_new &&
6265 { test_cpp_condition libzvbi.h "VBI_VERSION_MAJOR > 0 || VBI_VERSION_MINOR > 2 || VBI_VERSION_MINOR == 2 && VBI_VERSION_MICRO >= 28" ||
6266 enabled gpl || die "ERROR: libzvbi requires version 0.2.28 or --enable-gpl."; }
6267 enabled libxml2 && require_pkg_config libxml2 libxml-2.0 libxml2/libxml/xmlversion.h xmlCheckVersion
6268 enabled mbedtls && { check_pkg_config mbedtls mbedtls mbedtls/x509_crt.h mbedtls_x509_crt_init ||
6269 check_pkg_config mbedtls mbedtls mbedtls/ssl.h mbedtls_ssl_init ||
6270 check_lib mbedtls mbedtls/ssl.h mbedtls_ssl_init -lmbedtls -lmbedx509 -lmbedcrypto ||
6271 die "ERROR: mbedTLS not found"; }
6272 enabled mediacodec && { enabled jni || die "ERROR: mediacodec requires --enable-jni"; }
6273 enabled mmal && { check_lib mmal interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ||
6274 { ! enabled cross_compile &&
6275 add_cflags -isystem/opt/vc/include/ -isystem/opt/vc/include/interface/vmcs_host/linux -isystem/opt/vc/include/interface/vcos/pthreads -fgnu89-inline &&
6276 add_ldflags -L/opt/vc/lib/ &&
6277 check_lib mmal interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host; } ||
6278 die "ERROR: mmal not found" &&
6279 check_func_headers interface/mmal/mmal.h "MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS"; }
6280 enabled openal && { { for al_extralibs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
6281 check_lib openal 'AL/al.h' alGetError "${al_extralibs}" && break; done } ||
6282 die "ERROR: openal not found"; } &&
6283 { test_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
6284 die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
6285 enabled opencl && { check_pkg_config opencl OpenCL CL/cl.h clEnqueueNDRangeKernel ||
6286 check_lib opencl OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||
6287 check_lib opencl CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||
6288 die "ERROR: opencl not found"; } &&
6289 { test_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||
6290 test_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||
6291 die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }
6292 enabled opengl && { check_lib opengl GL/glx.h glXGetProcAddress "-lGL" ||
6293 check_lib opengl windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||
6294 check_lib opengl OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||
6295 check_lib opengl ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||
6296 die "ERROR: opengl not found."
6298 enabled omx && require_headers OMX_Core.h
6299 enabled omx_rpi && { check_headers OMX_Core.h ||
6300 { ! enabled cross_compile && add_cflags -isystem/opt/vc/include/IL && check_headers OMX_Core.h ; } ||
6301 die "ERROR: OpenMAX IL headers not found"; } && enable omx
6302 enabled openssl && { check_pkg_config openssl openssl openssl/ssl.h OPENSSL_init_ssl ||
6303 check_pkg_config openssl openssl openssl/ssl.h SSL_library_init ||
6304 check_lib openssl openssl/ssl.h SSL_library_init -lssl -lcrypto ||
6305 check_lib openssl openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
6306 check_lib openssl openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
6307 die "ERROR: openssl not found"; }
6308 enabled pocketsphinx && require_pkg_config pocketsphinx pocketsphinx pocketsphinx/pocketsphinx.h ps_init
6309 enabled rkmpp && { require_pkg_config rkmpp rockchip_mpp rockchip/rk_mpi.h mpp_create &&
6310 require_pkg_config rockchip_mpp "rockchip_mpp >= 1.3.7" rockchip/rk_mpi.h mpp_create &&
6312 die "ERROR: rkmpp requires --enable-libdrm"; }
6314 enabled vapoursynth && require_pkg_config vapoursynth "vapoursynth-script >= 42" VSScript.h vsscript_init
6317 if enabled gcrypt; then
6318 GCRYPT_CONFIG="${cross_prefix}libgcrypt-config"
6319 if "${GCRYPT_CONFIG}" --version > /dev/null 2>&1; then
6320 gcrypt_cflags=$("${GCRYPT_CONFIG}" --cflags)
6321 gcrypt_extralibs=$("${GCRYPT_CONFIG}" --libs)
6322 check_func_headers gcrypt.h gcry_mpi_new $gcrypt_cflags $gcrypt_extralibs ||
6323 die "ERROR: gcrypt not found"
6324 add_cflags $gcrypt_cflags
6326 require gcrypt gcrypt.h gcry_mpi_new -lgcrypt
6330 if enabled sdl2; then
6331 SDL2_CONFIG="${cross_prefix}sdl2-config"
6332 test_pkg_config sdl2 "sdl2 >= 2.0.1 sdl2 < 2.1.0" SDL_events.h SDL_PollEvent
6333 if disabled sdl2 && "${SDL2_CONFIG}" --version > /dev/null 2>&1; then
6334 sdl2_cflags=$("${SDL2_CONFIG}" --cflags)
6335 sdl2_extralibs=$("${SDL2_CONFIG}" --libs)
6336 test_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x020001" $sdl2_cflags &&
6337 test_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x020100" $sdl2_cflags &&
6338 check_func_headers SDL_events.h SDL_PollEvent $sdl2_extralibs $sdl2_cflags &&
6341 if test $target_os = "mingw32"; then
6342 sdl2_extralibs=$(filter_out '-mwindows' $sdl2_extralibs)
6346 if enabled decklink; then
6348 mingw32*|mingw64*|win32|win64)
6349 decklink_outdev_extralibs="$decklink_outdev_extralibs -lole32 -loleaut32"
6350 decklink_indev_extralibs="$decklink_indev_extralibs -lole32 -loleaut32"
6355 enabled securetransport &&
6356 check_func SecIdentityCreate "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&
6357 check_lib securetransport "Security/SecureTransport.h Security/Security.h" "SSLCreateContext" "-Wl,-framework,CoreFoundation -Wl,-framework,Security" ||
6358 disable securetransport
6360 enabled securetransport &&
6361 check_func SecItemImport "-Wl,-framework,CoreFoundation -Wl,-framework,Security"
6364 check_func_headers "windows.h security.h" InitializeSecurityContext -DSECURITY_WIN32 -lsecur32 &&
6365 test_cpp_condition winerror.h "defined(SEC_I_CONTEXT_EXPIRED)" &&
6366 schannel_extralibs="-lsecur32" ||
6369 makeinfo --version > /dev/null 2>&1 && enable makeinfo || disable makeinfo
6371 && [ 0$(makeinfo --version | grep "texinfo" | sed 's/.*texinfo[^0-9]*\([0-9]*\)\..*/\1/') -ge 5 ] \
6372 && enable makeinfo_html || disable makeinfo_html
6373 disabled makeinfo_html && texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
6374 perl -v > /dev/null 2>&1 && enable perl || disable perl
6375 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
6376 rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout
6378 # check V4L2 codecs available in the API
6379 check_headers linux/fb.h
6380 check_headers linux/videodev2.h
6381 test_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_sanitized struct_v4l2_frmivalenum_discrete
6382 check_cc v4l2_m2m linux/videodev2.h "int i = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_VIDEO_M2M | V4L2_BUF_FLAG_LAST;"
6383 check_cc vc1_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_VC1_ANNEX_G;"
6384 check_cc mpeg1_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG1;"
6385 check_cc mpeg2_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG2;"
6386 check_cc mpeg4_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG4;"
6387 check_cc hevc_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_HEVC;"
6388 check_cc h263_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_H263;"
6389 check_cc h264_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_H264;"
6390 check_cc vp8_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_VP8;"
6391 check_cc vp9_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_VP9;"
6393 check_headers sys/videoio.h
6394 test_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_sanitized struct_v4l2_frmivalenum_discrete
6396 check_lib user32 "windows.h winuser.h" GetShellWindow -luser32
6397 check_lib vfw32 "windows.h vfw.h" capCreateCaptureWindow -lvfw32
6398 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
6399 # w32api 3.12 had it defined wrong
6400 check_cpp_condition vfwcap_defines vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER"
6402 check_type "dshow.h" IBaseFilter
6404 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
6405 check_headers "dev/bktr/ioctl_meteor.h dev/bktr/ioctl_bt848.h" ||
6406 check_headers "machine/ioctl_meteor.h machine/ioctl_bt848.h" ||
6407 check_headers "dev/video/meteor/ioctl_meteor.h dev/video/bktr/ioctl_bt848.h" ||
6408 check_headers "dev/ic/bt8xx.h"
6410 if check_struct sys/soundcard.h audio_buf_info bytes; then
6411 enable_sanitized sys/soundcard.h
6413 test_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_sanitized sys/soundcard.h
6414 #include <sys/soundcard.h>
6419 enabled alsa && check_pkg_config alsa alsa "alsa/asoundlib.h" snd_pcm_htimestamp ||
6420 check_lib alsa alsa/asoundlib.h snd_pcm_htimestamp -lasound
6423 require_pkg_config libjack jack jack/jack.h jack_port_get_latency_range
6425 enabled sndio && check_lib sndio sndio.h sio_open -lsndio
6427 if enabled libcdio; then
6428 check_pkg_config libcdio libcdio_paranoia "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open ||
6429 check_pkg_config libcdio libcdio_paranoia "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open ||
6430 check_lib libcdio "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
6431 check_lib libcdio "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
6432 die "ERROR: No usable libcdio/cdparanoia found"
6435 enabled libxcb && check_pkg_config libxcb "xcb >= 1.4" xcb/xcb.h xcb_connect ||
6436 disable libxcb_shm libxcb_shape libxcb_xfixes
6438 if enabled libxcb; then
6439 enabled libxcb_shm && check_pkg_config libxcb_shm xcb-shm xcb/shm.h xcb_shm_attach
6440 enabled libxcb_shape && check_pkg_config libxcb_shape xcb-shape xcb/shape.h xcb_shape_get_rectangles
6441 enabled libxcb_xfixes && check_pkg_config libxcb_xfixes xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image
6444 check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs"
6446 # d3d11va requires linking directly to dxgi and d3d11 if not building for
6447 # the desktop api partition
6448 test_cpp <<EOF && enable uwp && d3d11va_extralibs="-ldxgi -ld3d11"
6449 #ifdef WINAPI_FAMILY
6450 #include <winapifamily.h>
6451 #if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
6452 #error desktop, not uwp
6454 // WINAPI_FAMILY_APP, WINAPI_FAMILY_PHONE_APP => UWP
6457 #error no family set
6462 check_pkg_config vaapi "libva >= 0.35.0" "va/va.h" vaInitialize
6464 if enabled vaapi; then
6465 check_pkg_config vaapi_drm "libva-drm" "va/va_drm.h" vaGetDisplayDRM
6467 if enabled xlib; then
6468 check_pkg_config vaapi_x11 "libva-x11" "va/va_x11.h" vaGetDisplay
6471 check_cpp_condition vaapi_1 "va/va.h" "VA_CHECK_VERSION(1, 0, 0)"
6473 check_type "va/va.h va/va_dec_hevc.h" "VAPictureParameterBufferHEVC"
6474 check_struct "va/va.h" "VADecPictureParameterBufferVP9" bit_depth
6475 check_struct "va/va.h va/va_vpp.h" "VAProcPipelineCaps" rotation_flags
6476 check_type "va/va.h va/va_enc_hevc.h" "VAEncPictureParameterBufferHEVC"
6477 check_type "va/va.h va/va_enc_jpeg.h" "VAEncPictureParameterBufferJPEG"
6478 check_type "va/va.h va/va_enc_vp8.h" "VAEncPictureParameterBufferVP8"
6479 check_type "va/va.h va/va_enc_vp9.h" "VAEncPictureParameterBufferVP9"
6482 if enabled_all opencl libdrm ; then
6483 check_type "CL/cl_intel.h" "clCreateImageFromFdINTEL_fn" &&
6484 enable opencl_drm_beignet
6485 check_func_headers "CL/cl_ext.h" clImportMemoryARM &&
6486 enable opencl_drm_arm
6489 if enabled_all opencl vaapi ; then
6490 if enabled opencl_drm_beignet ; then
6491 enable opencl_vaapi_beignet
6493 check_type "CL/cl.h CL/cl_va_api_media_sharing_intel.h" "clCreateFromVA_APIMediaSurfaceINTEL_fn" &&
6494 enable opencl_vaapi_intel_media
6498 if enabled_all opencl dxva2 ; then
6499 check_type "CL/cl_dx9_media_sharing.h" cl_dx9_surface_info_khr &&
6503 if enabled_all opencl d3d11va ; then
6504 check_type "CL/cl_d3d11.h" clGetDeviceIDsFromD3D11KHR_fn &&
6509 check_cpp_condition vdpau vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP"
6512 check_lib vdpau_x11 "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau -lX11
6514 enabled crystalhd && check_lib crystalhd "stdint.h libcrystalhd/libcrystalhd_if.h" DtsCrystalHDVersion -lcrystalhd
6516 if enabled x86; then
6518 mingw32*|mingw64*|win32|win64|linux|cygwin*)
6521 disable ffnvcodec cuvid nvdec nvenc
6524 elif enabled ppc64 && ! enabled bigendian; then
6529 disable ffnvcodec cuvid nvdec nvenc
6533 disable ffnvcodec cuvid nvdec nvenc
6536 enabled ffnvcodec && enable cuda
6539 test_cc -I$source_path <<EOF || disable nvenc
6540 #include <ffnvcodec/nvEncodeAPI.h>
6541 NV_ENCODE_API_FUNCTION_LIST flist;
6542 void f(void) { struct { const GUID guid; } s[] = { { NV_ENC_PRESET_HQ_GUID } }; }
6543 int main(void) { return 0; }
6547 check_cpp_condition amf "AMF/core/Version.h" \
6548 "(AMF_VERSION_MAJOR << 48 | AMF_VERSION_MINOR << 32 | AMF_VERSION_RELEASE << 16 | AMF_VERSION_BUILD_NUM) >= 0x0001000400040001"
6550 # Funny iconv installations are not unusual, so check it after all flags have been set
6551 if enabled libc_iconv; then
6552 check_func_headers iconv.h iconv
6553 elif enabled iconv; then
6554 check_func_headers iconv.h iconv || check_lib iconv iconv.h iconv -liconv
6557 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
6559 # add some useful compiler flags if supported
6560 check_cflags -Wdeclaration-after-statement
6562 check_cflags -Wdisabled-optimization
6563 check_cflags -Wpointer-arith
6564 check_cflags -Wredundant-decls
6565 check_cflags -Wwrite-strings
6566 check_cflags -Wtype-limits
6567 check_cflags -Wundef
6568 check_cflags -Wmissing-prototypes
6569 check_cflags -Wno-pointer-to-int-cast
6570 check_cflags -Wstrict-prototypes
6571 check_cflags -Wempty-body
6573 if enabled extra_warnings; then
6574 check_cflags -Wcast-qual
6575 check_cflags -Wextra
6576 check_cflags -Wpedantic
6579 check_disable_warning(){
6580 warning_flag=-W${1#-Wno-}
6581 test_cflags $unknown_warning_flags $warning_flag && add_cflags $1
6584 test_cflags -Werror=unused-command-line-argument &&
6585 append unknown_warning_flags "-Werror=unused-command-line-argument"
6586 test_cflags -Werror=unknown-warning-option &&
6587 append unknown_warning_flags "-Werror=unknown-warning-option"
6589 check_disable_warning -Wno-parentheses
6590 check_disable_warning -Wno-switch
6591 check_disable_warning -Wno-format-zero-length
6592 check_disable_warning -Wno-pointer-sign
6593 check_disable_warning -Wno-unused-const-variable
6594 check_disable_warning -Wno-bool-operation
6595 check_disable_warning -Wno-char-subscripts
6597 check_disable_warning_headers(){
6598 warning_flag=-W${1#-Wno-}
6599 test_cflags $warning_flag && add_cflags_headers $1
6602 check_disable_warning_headers -Wno-deprecated-declarations
6603 check_disable_warning_headers -Wno-unused-variable
6605 test_cc <<EOF && enable blocks_extension
6606 void (^block)(void);
6609 # add some linker flags
6610 check_ldflags -Wl,--warn-common
6611 check_ldflags -Wl,-rpath-link=:libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
6612 enabled rpath && add_ldexeflags -Wl,-rpath,$libdir && add_ldsoflags -Wl,-rpath,$libdir
6613 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
6615 # add some strip flags
6618 enabled neon_clobber_test &&
6619 check_ldflags -Wl,--wrap,avcodec_open2 \
6620 -Wl,--wrap,avcodec_decode_audio4 \
6621 -Wl,--wrap,avcodec_decode_video2 \
6622 -Wl,--wrap,avcodec_decode_subtitle2 \
6623 -Wl,--wrap,avcodec_encode_audio2 \
6624 -Wl,--wrap,avcodec_encode_video2 \
6625 -Wl,--wrap,avcodec_encode_subtitle \
6626 -Wl,--wrap,avcodec_send_packet \
6627 -Wl,--wrap,avcodec_receive_packet \
6628 -Wl,--wrap,avcodec_send_frame \
6629 -Wl,--wrap,avcodec_receive_frame \
6630 -Wl,--wrap,swr_convert \
6631 -Wl,--wrap,avresample_convert ||
6632 disable neon_clobber_test
6634 enabled xmm_clobber_test &&
6635 check_ldflags -Wl,--wrap,avcodec_open2 \
6636 -Wl,--wrap,avcodec_decode_audio4 \
6637 -Wl,--wrap,avcodec_decode_video2 \
6638 -Wl,--wrap,avcodec_decode_subtitle2 \
6639 -Wl,--wrap,avcodec_encode_audio2 \
6640 -Wl,--wrap,avcodec_encode_video2 \
6641 -Wl,--wrap,avcodec_encode_subtitle \
6642 -Wl,--wrap,avcodec_send_packet \
6643 -Wl,--wrap,avcodec_receive_packet \
6644 -Wl,--wrap,avcodec_send_frame \
6645 -Wl,--wrap,avcodec_receive_frame \
6646 -Wl,--wrap,swr_convert \
6647 -Wl,--wrap,avresample_convert \
6648 -Wl,--wrap,sws_scale ||
6649 disable xmm_clobber_test
6651 check_ld "cc" proper_dce <<EOF
6652 extern const int array[512];
6653 static inline int func(void) { return array[0]; }
6654 int main(void) { return 0; }
6657 if enabled proper_dce; then
6658 echo "X { local: *; };" > $TMPV
6659 if test_ldflags -Wl,${version_script},$TMPV; then
6660 append SHFLAGS '-Wl,${version_script},\$(SUBDIR)lib\$(NAME).ver'
6662 test_cc <<EOF && enable symver_asm_label
6663 void ff_foo(void) __asm__ ("av_foo@VERSION");
6664 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
6666 test_cc <<EOF && enable symver_gnu_asm
6667 __asm__(".symver ff_foo,av_foo@VERSION");
6668 void ff_foo(void) {}
6673 if [ -z "$optflags" ]; then
6674 if enabled small; then
6675 optflags=$cflags_size
6676 elif enabled optimizations; then
6677 optflags=$cflags_speed
6679 optflags=$cflags_noopt
6683 if [ -z "$nvccflags" ]; then
6684 nvccflags=$nvccflags_default
6687 if enabled x86_64 || enabled ppc64 || enabled aarch64; then
6688 nvccflags="$nvccflags -m64"
6690 nvccflags="$nvccflags -m32"
6695 enabled lto && check_ldflags "$@"
6698 check_optflags $optflags
6699 check_optflags -fno-math-errno
6700 check_optflags -fno-signed-zeros
6702 if enabled lto; then
6703 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
6705 check_ldflags -flto $cpuflags
6706 disable inline_asm_direct_symbol_refs
6709 enabled ftrapv && check_cflags -ftrapv
6711 test_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
6716 if enabled icc; then
6717 # Just warnings, no remarks
6719 # -wd: Disable following warnings
6720 # 144, 167, 556: -Wno-pointer-sign
6721 # 188: enumerated type mixed with another type
6722 # 1292: attribute "foo" ignored
6723 # 1419: external declaration in primary source file
6724 # 10006: ignoring unknown option -fno-signed-zeros
6725 # 10148: ignoring unknown option -Wno-parentheses
6726 # 10156: ignoring option '-W'; no argument required
6727 # 13200: No EMMS instruction before call to function
6728 # 13203: No EMMS instruction before return from function
6729 check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156,13200,13203
6730 # 11030: Warning unknown option --as-needed
6731 # 10156: ignoring option '-export'; no argument required
6732 check_ldflags -wd10156,11030
6733 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
6734 enable ebp_available
6735 # The test above does not test linking
6736 enabled lto && disable symver_asm_label
6737 if enabled x86_32; then
6738 icc_version=$($cc -dumpversion)
6739 test ${icc_version%%.*} -ge 11 &&
6740 check_cflags -falign-stack=maintain-16-byte ||
6741 disable aligned_stack
6743 elif enabled gcc; then
6744 check_optflags -fno-tree-vectorize
6745 check_cflags -Werror=format-security
6746 check_cflags -Werror=implicit-function-declaration
6747 check_cflags -Werror=missing-prototypes
6748 check_cflags -Werror=return-type
6749 check_cflags -Werror=vla
6750 check_cflags -Wformat
6751 check_cflags -fdiagnostics-color=auto
6752 enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized
6753 if enabled x86_32; then
6756 # BSDs don't guarantee a 16 byte aligned stack, but we can
6757 # request GCC to try to maintain 16 byte alignment throughout
6758 # function calls. Library entry points that might call assembly
6759 # functions align the stack. (The parameter means 2^4 bytes.)
6760 check_cflags -mpreferred-stack-boundary=4
6764 elif enabled llvm_gcc; then
6765 check_cflags -mllvm -stack-alignment=16
6766 elif enabled clang; then
6767 if enabled x86_32; then
6768 # Clang doesn't support maintaining alignment without assuming the
6769 # same alignment in every function. If 16 byte alignment would be
6770 # enabled, one would also have to either add attribute_align_arg on
6771 # every single entry point into the libraries or enable -mstackrealign
6772 # (doing stack realignment in every single function).
6774 mingw32|win32|*bsd*)
6775 disable aligned_stack
6778 check_cflags -mllvm -stack-alignment=16
6779 check_cflags -mstack-alignment=16
6783 check_cflags -mllvm -stack-alignment=16
6784 check_cflags -mstack-alignment=16
6786 check_cflags -Qunused-arguments
6787 check_cflags -Werror=implicit-function-declaration
6788 check_cflags -Werror=missing-prototypes
6789 check_cflags -Werror=return-type
6790 elif enabled cparser; then
6791 add_cflags -Wno-missing-variable-declarations
6792 add_cflags -Wno-empty-statement
6793 elif enabled armcc; then
6794 add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat
6795 add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir
6796 # 2523: use of inline assembly is deprecated
6797 add_cflags -W${armcc_opt},--diag_suppress=2523
6798 add_cflags -W${armcc_opt},--diag_suppress=1207
6799 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
6800 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
6801 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
6802 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
6803 elif enabled pathscale; then
6804 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
6806 elif enabled_any msvc icl; then
6807 enabled x86_32 && disable aligned_stack
6808 enabled_all x86_32 debug && add_cflags -Oy-
6809 enabled debug && add_ldflags -debug
6810 enable pragma_deprecated
6811 if enabled icl; then
6812 # -Qansi-alias is basically -fstrict-aliasing, but does not work
6813 # (correctly) on icl 13.x.
6814 test_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&
6815 add_cflags -Qansi-alias
6816 # Some inline asm is not compilable in debug
6817 if enabled debug; then
6818 disable ebp_available
6819 disable ebx_available
6822 # msvcrt10 x64 incorrectly enables log2, only msvcrt12 (MSVC 2013) onwards actually has log2.
6823 check_cpp_condition log2 crtversion.h "_VC_CRT_MAJOR_VERSION >= 12"
6824 # The CRT headers contain __declspec(restrict) in a few places, but if redefining
6825 # restrict, this might break. MSVC 2010 and 2012 fail with __declspec(__restrict)
6826 # (as it ends up if the restrict redefine is done before including stdlib.h), while
6827 # MSVC 2013 and newer can handle it fine.
6828 # If this declspec fails, force including stdlib.h before the restrict redefinition
6829 # happens in config.h.
6830 if [ $restrict_keyword != restrict ]; then
6831 test_cc <<EOF || add_cflags -FIstdlib.h
6832 __declspec($restrict_keyword) void *foo(int);
6835 # the new SSA optimzer in VS2015 U3 is mis-optimizing some parts of the code
6836 # Issue has been fixed in MSVC v19.00.24218.
6837 test_cpp_condition windows.h "_MSC_FULL_VER >= 190024218" ||
6838 check_cflags -d2SSAOptimizer-
6839 # enable utf-8 source processing on VS2015 U2 and newer
6840 test_cpp_condition windows.h "_MSC_FULL_VER >= 190023918" &&
6844 for pfx in "" host_; do
6845 varname=${pfx%_}cc_type
6846 eval "type=\$$varname"
6847 if [ "$type" = "msvc" ]; then
6848 test_${pfx}cc <<EOF || add_${pfx}cflags -Dinline=__inline
6849 static inline int foo(int a) { return a; }
6856 add_asflags -Qunused-arguments
6862 check_ldflags -Qunused-arguments
6866 enable frame_thread_encoder
6868 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
6870 check_deps $CONFIG_LIST \
6875 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"
6876 enabled avresample && warn "Building with deprecated library libavresample"
6881 disable posix_memalign
6883 *-dos|freedos|opendos)
6884 if test_cpp_condition sys/version.h "defined(__DJGPP__) && __DJGPP__ == 2 && __DJGPP_MINOR__ == 5"; then
6890 flatten_extralibs(){
6894 for entry in $list; do
6898 for e in $entry_copy; do
6900 *_extralibs) nested_entries="$nested_entries$e ";;
6901 *) flat_entries="$flat_entries$e ";;
6904 eval $entry="\$flat_entries"
6906 append $list_name "$nested_entries"
6908 resolve nested_entries
6909 if test -n "$(filter '*_extralibs' $nested_entries)"; then
6910 flatten_extralibs $list_name
6914 flatten_extralibs_wrapper(){
6916 flatten_extralibs $list_name
6919 eval $list_name=\$\(\$ldflags_filter \$$list_name\)
6920 eval printf \''%s'\' \""\$$list_name"\"
6923 for linkunit in $LIBRARY_LIST; do
6924 unset current_extralibs
6925 eval components=\$$(toupper ${linkunit})_COMPONENTS_LIST
6926 for comp in ${components}; do
6927 enabled $comp || continue
6928 comp_extralibs="${comp}_extralibs"
6929 append current_extralibs $comp_extralibs
6931 eval prepend ${linkunit}_extralibs $current_extralibs
6934 for linkunit in $LIBRARY_LIST $PROGRAM_LIST $EXTRALIBS_LIST; do
6935 eval ${linkunit}_extralibs=\$\(flatten_extralibs_wrapper ${linkunit}_extralibs\)
6938 map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST
6940 for thread in $THREADS_LIST; do
6941 if enabled $thread; then
6942 test -n "$thread_type" &&
6943 die "ERROR: Only one thread type must be selected." ||
6944 thread_type="$thread"
6948 if disabled stdatomic; then
6949 if enabled atomics_gcc; then
6950 add_cppflags '-I\$(SRC_PATH)/compat/atomics/gcc'
6951 elif enabled atomics_win32; then
6952 add_cppflags '-I\$(SRC_PATH)/compat/atomics/win32'
6953 elif enabled atomics_suncc; then
6954 add_cppflags '-I\$(SRC_PATH)/compat/atomics/suncc'
6955 elif enabled pthreads; then
6956 add_compat atomics/pthread/stdatomic.o
6957 add_cppflags '-I\$(SRC_PATH)/compat/atomics/pthread'
6959 enabled threads && die "Threading is enabled, but no atomics are available"
6960 add_cppflags '-I\$(SRC_PATH)/compat/atomics/dummy'
6964 # Check if requested libraries were found.
6965 for lib in $AUTODETECT_LIBS; do
6966 requested $lib && ! enabled $lib && die "ERROR: $lib requested but not found";
6969 enabled zlib && add_cppflags -DZLIB_CONST
6971 # conditional library dependencies, in any order
6972 enabled afftdn_filter && prepend avfilter_deps "avcodec"
6973 enabled afftfilt_filter && prepend avfilter_deps "avcodec"
6974 enabled afir_filter && prepend avfilter_deps "avcodec"
6975 enabled amovie_filter && prepend avfilter_deps "avformat avcodec"
6976 enabled aresample_filter && prepend avfilter_deps "swresample"
6977 enabled atempo_filter && prepend avfilter_deps "avcodec"
6978 enabled bm3d_filter && prepend avfilter_deps "avcodec"
6979 enabled cover_rect_filter && prepend avfilter_deps "avformat avcodec"
6980 enabled convolve_filter && prepend avfilter_deps "avcodec"
6981 enabled deconvolve_filter && prepend avfilter_deps "avcodec"
6982 enabled ebur128_filter && enabled swresample && prepend avfilter_deps "swresample"
6983 enabled elbg_filter && prepend avfilter_deps "avcodec"
6984 enabled fftfilt_filter && prepend avfilter_deps "avcodec"
6985 enabled find_rect_filter && prepend avfilter_deps "avformat avcodec"
6986 enabled firequalizer_filter && prepend avfilter_deps "avcodec"
6987 enabled mcdeint_filter && prepend avfilter_deps "avcodec"
6988 enabled movie_filter && prepend avfilter_deps "avformat avcodec"
6989 enabled pan_filter && prepend avfilter_deps "swresample"
6990 enabled pp_filter && prepend avfilter_deps "postproc"
6991 enabled removelogo_filter && prepend avfilter_deps "avformat avcodec swscale"
6992 enabled resample_filter && prepend avfilter_deps "avresample"
6993 enabled sab_filter && prepend avfilter_deps "swscale"
6994 enabled scale_filter && prepend avfilter_deps "swscale"
6995 enabled scale2ref_filter && prepend avfilter_deps "swscale"
6996 enabled sofalizer_filter && prepend avfilter_deps "avcodec"
6997 enabled showcqt_filter && prepend avfilter_deps "avformat avcodec swscale"
6998 enabled showfreqs_filter && prepend avfilter_deps "avcodec"
6999 enabled showspectrum_filter && prepend avfilter_deps "avcodec"
7000 enabled signature_filter && prepend avfilter_deps "avcodec avformat"
7001 enabled smartblur_filter && prepend avfilter_deps "swscale"
7002 enabled spectrumsynth_filter && prepend avfilter_deps "avcodec"
7003 enabled spp_filter && prepend avfilter_deps "avcodec"
7004 enabled sr_filter && prepend avfilter_deps "avformat swscale"
7005 enabled subtitles_filter && prepend avfilter_deps "avformat avcodec"
7006 enabled uspp_filter && prepend avfilter_deps "avcodec"
7007 enabled zoompan_filter && prepend avfilter_deps "swscale"
7009 enabled lavfi_indev && prepend avdevice_deps "avfilter"
7012 enabled_any sdl2_outdev opengl_outdev && enabled sdl2 &&
7013 add_cflags $(filter_out '-Dmain=SDL_main' $sdl2_cflags)
7015 enabled opus_decoder && prepend avcodec_deps "swresample"
7017 # reorder the items at var $1 to align with the items order at var $2 .
7018 # die if an item at $1 is not at $2 .
7021 eval rb_ordered=\$$2
7023 for rb in $rb_in; do
7024 is_in $rb $rb_ordered || die "$rb at \$$1 is not at \$$2"
7028 for rb in $rb_ordered; do
7029 is_in $rb $rb_in && rb_out="$rb_out$rb "
7034 # deps-expand fflib $1: N x {append all expanded deps; unique}
7035 # within a set of N items, N expansions are enough to expose a cycle.
7037 unique ${1}_deps # required for the early break test.
7038 for dummy in $LIBRARY_LIST; do # N iteratios
7039 eval deps=\$${1}_deps
7040 append ${1}_deps $(map 'eval echo \$${v}_deps' $deps)
7042 eval '[ ${#deps} = ${#'${1}_deps'} ]' && break # doesn't expand anymore
7045 eval is_in $1 \$${1}_deps && die "Dependency cycle at ${1}_deps"
7046 reorder_by ${1}_deps LIBRARY_LIST # linking order is expected later
7049 #we have to remove gpl from the deps here as some code assumes all lib deps are libs
7050 postproc_deps="$(filter_out 'gpl' $postproc_deps)"
7052 map 'expand_deps $v' $LIBRARY_LIST
7054 if test "$quiet" != "yes"; then
7056 echo "install prefix $prefix"
7057 echo "source path $source_path"
7058 echo "C compiler $cc"
7059 echo "C library $libc_type"
7060 if test "$host_cc" != "$cc"; then
7061 echo "host C compiler $host_cc"
7062 echo "host C library $host_libc_type"
7064 echo "ARCH $arch ($cpu)"
7065 if test "$build_suffix" != ""; then
7066 echo "build suffix $build_suffix"
7068 if test "$progs_suffix" != ""; then
7069 echo "progs suffix $progs_suffix"
7071 if test "$extra_version" != ""; then
7072 echo "version string suffix $extra_version"
7074 echo "big-endian ${bigendian-no}"
7075 echo "runtime cpu detection ${runtime_cpudetect-no}"
7076 if enabled x86; then
7077 echo "standalone assembly ${x86asm-no}"
7078 echo "x86 assembler ${x86asmexe}"
7079 echo "MMX enabled ${mmx-no}"
7080 echo "MMXEXT enabled ${mmxext-no}"
7081 echo "3DNow! enabled ${amd3dnow-no}"
7082 echo "3DNow! extended enabled ${amd3dnowext-no}"
7083 echo "SSE enabled ${sse-no}"
7084 echo "SSSE3 enabled ${ssse3-no}"
7085 echo "AESNI enabled ${aesni-no}"
7086 echo "AVX enabled ${avx-no}"
7087 echo "AVX2 enabled ${avx2-no}"
7088 echo "AVX-512 enabled ${avx512-no}"
7089 echo "XOP enabled ${xop-no}"
7090 echo "FMA3 enabled ${fma3-no}"
7091 echo "FMA4 enabled ${fma4-no}"
7092 echo "i686 features enabled ${i686-no}"
7093 echo "CMOV is fast ${fast_cmov-no}"
7094 echo "EBX available ${ebx_available-no}"
7095 echo "EBP available ${ebp_available-no}"
7097 if enabled aarch64; then
7098 echo "NEON enabled ${neon-no}"
7099 echo "VFP enabled ${vfp-no}"
7101 if enabled arm; then
7102 echo "ARMv5TE enabled ${armv5te-no}"
7103 echo "ARMv6 enabled ${armv6-no}"
7104 echo "ARMv6T2 enabled ${armv6t2-no}"
7105 echo "VFP enabled ${vfp-no}"
7106 echo "NEON enabled ${neon-no}"
7107 echo "THUMB enabled ${thumb-no}"
7109 if enabled mips; then
7110 echo "MIPS FPU enabled ${mipsfpu-no}"
7111 echo "MIPS DSP R1 enabled ${mipsdsp-no}"
7112 echo "MIPS DSP R2 enabled ${mipsdspr2-no}"
7113 echo "MIPS MSA enabled ${msa-no}"
7114 echo "LOONGSON MMI enabled ${mmi-no}"
7116 if enabled ppc; then
7117 echo "AltiVec enabled ${altivec-no}"
7118 echo "VSX enabled ${vsx-no}"
7119 echo "POWER8 enabled ${power8-no}"
7120 echo "PPC 4xx optimizations ${ppc4xx-no}"
7121 echo "dcbzl available ${dcbzl-no}"
7123 echo "debug symbols ${debug-no}"
7124 echo "strip symbols ${stripping-no}"
7125 echo "optimize for size ${small-no}"
7126 echo "optimizations ${optimizations-no}"
7127 echo "static ${static-no}"
7128 echo "shared ${shared-no}"
7129 echo "postprocessing support ${postproc-no}"
7130 echo "network support ${network-no}"
7131 echo "threading support ${thread_type-no}"
7132 echo "safe bitstream reader ${safe_bitstream_reader-no}"
7133 echo "texi2html enabled ${texi2html-no}"
7134 echo "perl enabled ${perl-no}"
7135 echo "pod2man enabled ${pod2man-no}"
7136 echo "makeinfo enabled ${makeinfo-no}"
7137 echo "makeinfo supports HTML ${makeinfo_html-no}"
7138 test -n "$random_seed" &&
7139 echo "random seed ${random_seed}"
7142 echo "External libraries:"
7143 print_enabled '' $EXTERNAL_LIBRARY_LIST $EXTERNAL_AUTODETECT_LIBRARY_LIST | print_in_columns
7146 echo "External libraries providing hardware acceleration:"
7147 print_enabled '' $HWACCEL_LIBRARY_LIST $HWACCEL_AUTODETECT_LIBRARY_LIST | print_in_columns
7151 print_enabled '' $LIBRARY_LIST | print_in_columns
7155 print_enabled '' $PROGRAM_LIST | print_in_columns
7158 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
7159 echo "Enabled ${type}s:"
7160 eval list=\$$(toupper $type)_LIST
7161 print_enabled '_*' $list | print_in_columns
7165 if test -n "$ignore_tests"; then
7166 ignore_tests=$(echo $ignore_tests | tr ',' ' ')
7167 echo "Ignored FATE tests:"
7168 echo $ignore_tests | print_in_columns
7172 echo "License: $license"
7174 fi # test "$quiet" != "yes"
7176 if test -n "$WARN_IF_GETS_DISABLED_LIST"; then
7177 for cfg in $WARN_IF_GETS_DISABLED_LIST; do
7178 if disabled $cfg; then
7179 varname=${cfg}_disable_reason
7180 eval "warn \"Disabled $cfg because \$$varname\""
7185 if test -n "$WARNINGS"; then
7186 printf "\n%s%s$WARNINGS%s" "$warn_color" "$bold_color" "$reset_color"
7187 enabled fatal_warnings && exit 1
7190 test -e Makefile || echo "include $source_path/Makefile" > Makefile
7193 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
7196 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" > ffbuild/config.fate
7198 enabled stripping || strip="echo skipping strip"
7199 enabled stripping || striptype=""
7201 config_files="$TMPH ffbuild/config.mak doc/config.texi"
7203 cat > ffbuild/config.mak <<EOF
7204 # Automatically generated by configure - do not modify!
7205 ifndef FFMPEG_CONFIG_MAK
7207 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
7209 LIBDIR=\$(DESTDIR)$libdir
7210 SHLIBDIR=\$(DESTDIR)$shlibdir
7211 INCDIR=\$(DESTDIR)$incdir
7212 BINDIR=\$(DESTDIR)$bindir
7213 DATADIR=\$(DESTDIR)$datadir
7214 DOCDIR=\$(DESTDIR)$docdir
7215 MANDIR=\$(DESTDIR)$mandir
7216 PKGCONFIGDIR=\$(DESTDIR)$pkgconfigdir
7217 INSTALL_NAME_DIR=$install_name_dir
7218 SRC_PATH=$source_path
7219 SRC_LINK=$source_link
7220 ifndef MAIN_MAKEFILE
7221 SRC_PATH:=\$(SRC_PATH:.%=..%)
7225 INTRINSICS=$intrinsics
7226 EXTERN_PREFIX=$extern_prefix
7233 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
7235 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
7237 DEPX86ASM=$x86asmexe
7238 DEPX86ASMFLAGS=\$(X86ASMFLAGS)
7246 STRIPTYPE=$striptype
7253 OBJCFLAGS=$OBJCFLAGS
7255 NVCCFLAGS=$nvccflags
7277 LDEXEFLAGS=$LDEXEFLAGS
7278 LDSOFLAGS=$LDSOFLAGS
7279 SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
7280 ASMSTRIPFLAGS=$ASMSTRIPFLAGS
7281 X86ASMFLAGS=$X86ASMFLAGS
7282 BUILDSUF=$build_suffix
7283 PROGSSUF=$progs_suffix
7291 EXTRA_VERSION=$extra_version
7294 CCDEP_FLAGS=$CCDEP_FLAGS
7296 ASDEP_FLAGS=$ASDEP_FLAGS
7297 X86ASMDEP=$X86ASMDEP
7298 X86ASMDEP_FLAGS=$X86ASMDEP_FLAGS
7299 CC_DEPFLAGS=$CC_DEPFLAGS
7300 AS_DEPFLAGS=$AS_DEPFLAGS
7301 X86ASM_DEPFLAGS=$X86ASM_DEPFLAGS
7304 HOSTCFLAGS=$host_cflags
7305 HOSTCPPFLAGS=$host_cppflags
7306 HOSTEXESUF=$HOSTEXESUF
7307 HOSTLDFLAGS=$host_ldflags
7308 HOSTEXTRALIBS=$host_extralibs
7310 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
7311 HOSTCCDEP=$HOSTCCDEP
7312 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
7313 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
7317 TARGET_EXEC=$target_exec $target_exec_args
7318 TARGET_PATH=$target_path
7319 TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}
7320 CFLAGS-ffplay=${sdl2_cflags}
7321 CFLAGS_HEADERS=$CFLAGS_HEADERS
7322 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
7323 EXTRALIBS=$extralibs
7324 COMPAT_OBJS=$compat_objs
7326 LIBTARGET=${LIBTARGET}
7327 SLIBNAME=${SLIBNAME}
7328 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
7329 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
7330 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
7331 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
7332 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
7333 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
7334 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
7335 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
7336 VERSION_SCRIPT_POSTPROCESS_CMD=${VERSION_SCRIPT_POSTPROCESS_CMD}
7337 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
7338 NOREDZONE_FLAGS=$noredzone_flags
7339 LIBFUZZER_PATH=$libfuzzer_path
7340 IGNORE_TESTS=$ignore_tests
7343 map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> ffbuild/config.mak' $LIBRARY_LIST
7345 for entry in $LIBRARY_LIST $PROGRAM_LIST $EXTRALIBS_LIST; do
7346 eval echo "EXTRALIBS-${entry}=\$${entry}_extralibs" >> ffbuild/config.mak
7350 /* Automatically generated by configure - do not modify! */
7351 #ifndef FFMPEG_CONFIG_H
7352 #define FFMPEG_CONFIG_H
7353 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
7354 #define FFMPEG_LICENSE "$(c_escape $license)"
7355 #define CONFIG_THIS_YEAR 2019
7356 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
7357 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
7358 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
7359 #define av_restrict $restrict_keyword
7360 #define EXTERN_PREFIX "${extern_prefix}"
7361 #define EXTERN_ASM ${extern_prefix}
7362 #define BUILDSUF "$build_suffix"
7363 #define SLIBSUF "$SLIBSUF"
7364 #define HAVE_MMX2 HAVE_MMXEXT
7365 #define SWS_MAX_FILTER_SIZE $sws_max_filter_size
7368 test -n "$assert_level" &&
7369 echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
7371 test -n "$malloc_prefix" &&
7372 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
7374 if enabled x86asm; then
7375 append config_files $TMPASM
7377 ; Automatically generated by configure - do not modify!
7381 enabled getenv || echo "#define getenv(x) NULL" >> $TMPH
7387 echo "@c auto-generated by configure - do not modify! " > doc/config.texi
7389 print_config ARCH_ "$config_files" $ARCH_LIST
7390 print_config HAVE_ "$config_files" $HAVE_LIST
7391 print_config CONFIG_ "$config_files" $CONFIG_LIST \
7395 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
7396 echo "endif # FFMPEG_CONFIG_MAK" >> ffbuild/config.mak
7398 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
7399 cp_if_changed $TMPH config.h
7400 touch ffbuild/.config
7402 enabled x86asm && cp_if_changed $TMPASM config.asm
7405 /* Generated by ffmpeg configure */
7406 #ifndef AVUTIL_AVCONFIG_H
7407 #define AVUTIL_AVCONFIG_H
7410 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
7412 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
7414 cp_if_changed $TMPH libavutil/avconfig.h
7416 # full_filter_name_foo=vf_foo
7417 # full_filter_name_bar=asrc_bar
7419 eval "$(sed -n "s/^extern AVFilter ff_\([avfsinkrc]\{2,5\}\)_\(.*\);/full_filter_name_\2=\1_\2/p" $source_path/libavfilter/allfilters.c)"
7421 # generate the lists of enabled components
7422 print_enabled_components(){
7427 echo "static const $struct_name * const $name[] = {" > $TMPH
7432 eval c=\$full_filter_name_${c%_filter}
7435 c=${c%_indev}_demuxer
7438 c=${c%_outdev}_muxer
7441 printf " &ff_%s,\n" $c >> $TMPH
7444 if [ "$name" = "filter_list" ]; then
7445 for c in asrc_abuffer vsrc_buffer asink_abuffer vsink_buffer; do
7446 printf " &ff_%s,\n" $c >> $TMPH
7449 echo " NULL };" >> $TMPH
7450 cp_if_changed $TMPH $file
7453 print_enabled_components libavfilter/filter_list.c AVFilter filter_list $FILTER_LIST
7454 print_enabled_components libavcodec/codec_list.c AVCodec codec_list $CODEC_LIST
7455 print_enabled_components libavcodec/parser_list.c AVCodecParser parser_list $PARSER_LIST
7456 print_enabled_components libavcodec/bsf_list.c AVBitStreamFilter bitstream_filters $BSF_LIST
7457 print_enabled_components libavformat/demuxer_list.c AVInputFormat demuxer_list $DEMUXER_LIST
7458 print_enabled_components libavformat/muxer_list.c AVOutputFormat muxer_list $MUXER_LIST
7459 print_enabled_components libavdevice/indev_list.c AVInputFormat indev_list $INDEV_LIST
7460 print_enabled_components libavdevice/outdev_list.c AVOutputFormat outdev_list $OUTDEV_LIST
7461 print_enabled_components libavformat/protocol_list.c URLProtocol url_protocols $PROTOCOL_LIST
7463 # Settings for pkg-config files
7466 # Automatically generated by configure - do not modify!
7468 build_suffix=$build_suffix
7472 rpath=$(enabled rpath && echo "-Wl,-rpath,\${libdir}")
7473 source_path=${source_path}
7476 extralibs_avutil="$avutil_extralibs"
7477 extralibs_avcodec="$avcodec_extralibs"
7478 extralibs_avformat="$avformat_extralibs"
7479 extralibs_avdevice="$avdevice_extralibs"
7480 extralibs_avfilter="$avfilter_extralibs"
7481 extralibs_avresample="$avresample_extralibs"
7482 extralibs_postproc="$postproc_extralibs"
7483 extralibs_swscale="$swscale_extralibs"
7484 extralibs_swresample="$swresample_extralibs"
7487 for lib in $LIBRARY_LIST; do
7488 lib_deps="$(eval echo \$${lib}_deps)"
7489 echo ${lib}_deps=\"$lib_deps\" >> $TMPH
7492 cp_if_changed $TMPH ffbuild/config.sh