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-libass enable libass subtitles rendering,
222 needed for subtitles and ass filter [no]
223 --enable-libbluray enable BluRay reading using libbluray [no]
224 --enable-libbs2b enable bs2b DSP library [no]
225 --enable-libcaca enable textual display using libcaca [no]
226 --enable-libcelt enable CELT decoding via libcelt [no]
227 --enable-libcdio enable audio CD grabbing with libcdio [no]
228 --enable-libcodec2 enable codec2 en/decoding using libcodec2 [no]
229 --enable-libdavs2 enable AVS2 decoding via libdavs2 [no]
230 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
232 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
233 --enable-libflite enable flite (voice synthesis) support via libflite [no]
234 --enable-libfontconfig enable libfontconfig, useful for drawtext filter [no]
235 --enable-libfreetype enable libfreetype, needed for drawtext filter [no]
236 --enable-libfribidi enable libfribidi, improves drawtext filter [no]
237 --enable-libgme enable Game Music Emu via libgme [no]
238 --enable-libgsm enable GSM de/encoding via libgsm [no]
239 --enable-libiec61883 enable iec61883 via libiec61883 [no]
240 --enable-libilbc enable iLBC de/encoding via libilbc [no]
241 --enable-libjack enable JACK audio sound server [no]
242 --enable-libkvazaar enable HEVC encoding via libkvazaar [no]
243 --enable-liblensfun enable lensfun lens correction [no]
244 --enable-libmodplug enable ModPlug via libmodplug [no]
245 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
246 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
247 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
248 --enable-libopencv enable video filtering via libopencv [no]
249 --enable-libopenh264 enable H.264 encoding via OpenH264 [no]
250 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
251 --enable-libopenmpt enable decoding tracked files via libopenmpt [no]
252 --enable-libopus enable Opus de/encoding via libopus [no]
253 --enable-libpulse enable Pulseaudio input via libpulse [no]
254 --enable-librsvg enable SVG rasterization via librsvg [no]
255 --enable-librubberband enable rubberband needed for rubberband filter [no]
256 --enable-librtmp enable RTMP[E] support via librtmp [no]
257 --enable-libshine enable fixed-point MP3 encoding via libshine [no]
258 --enable-libsmbclient enable Samba protocol via libsmbclient [no]
259 --enable-libsnappy enable Snappy compression, needed for hap encoding [no]
260 --enable-libsoxr enable Include libsoxr resampling [no]
261 --enable-libspeex enable Speex de/encoding via libspeex [no]
262 --enable-libsrt enable Haivision SRT protocol via libsrt [no]
263 --enable-libssh enable SFTP protocol via libssh [no]
264 --enable-libtensorflow enable TensorFlow as a DNN module backend
265 for DNN based filters like sr [no]
266 --enable-libtesseract enable Tesseract, needed for ocr filter [no]
267 --enable-libtheora enable Theora encoding via libtheora [no]
268 --enable-libtls enable LibreSSL (via libtls), needed for https support
269 if openssl, gnutls or mbedtls is not used [no]
270 --enable-libtwolame enable MP2 encoding via libtwolame [no]
271 --enable-libv4l2 enable libv4l2/v4l-utils [no]
272 --enable-libvidstab enable video stabilization using vid.stab [no]
273 --enable-libvmaf enable vmaf filter via libvmaf [no]
274 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
275 --enable-libvorbis enable Vorbis en/decoding via libvorbis,
276 native implementation exists [no]
277 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
278 --enable-libwavpack enable wavpack encoding via libwavpack [no]
279 --enable-libwebp enable WebP encoding via libwebp [no]
280 --enable-libx264 enable H.264 encoding via x264 [no]
281 --enable-libx265 enable HEVC encoding via x265 [no]
282 --enable-libxavs enable AVS encoding via xavs [no]
283 --enable-libxcb enable X11 grabbing using XCB [autodetect]
284 --enable-libxcb-shm enable X11 grabbing shm communication [autodetect]
285 --enable-libxcb-xfixes enable X11 grabbing mouse rendering [autodetect]
286 --enable-libxcb-shape enable X11 grabbing shape rendering [autodetect]
287 --enable-libxvid enable Xvid encoding via xvidcore,
288 native MPEG-4/Xvid encoder exists [no]
289 --enable-libxml2 enable XML parsing using the C library libxml2, needed
290 for dash demuxing support [no]
291 --enable-libzimg enable z.lib, needed for zscale filter [no]
292 --enable-libzmq enable message passing via libzmq [no]
293 --enable-libzvbi enable teletext support via libzvbi [no]
294 --enable-lv2 enable LV2 audio filtering [no]
295 --disable-lzma disable lzma [autodetect]
296 --enable-decklink enable Blackmagic DeckLink I/O support [no]
297 --enable-libndi_newtek enable Newteck NDI I/O support [no]
298 --enable-mbedtls enable mbedTLS, needed for https support
299 if openssl, gnutls or libtls is not used [no]
300 --enable-mediacodec enable Android MediaCodec support [no]
301 --enable-libmysofa enable libmysofa, needed for sofalizer filter [no]
302 --enable-openal enable OpenAL 1.1 capture support [no]
303 --enable-opencl enable OpenCL processing [no]
304 --enable-opengl enable OpenGL rendering [no]
305 --enable-openssl enable openssl, needed for https support
306 if gnutls, libtls or mbedtls is not used [no]
307 --disable-sndio disable sndio support [autodetect]
308 --disable-schannel disable SChannel SSP, needed for TLS support on
309 Windows if openssl and gnutls are not used [autodetect]
310 --disable-sdl2 disable sdl2 [autodetect]
311 --disable-securetransport disable Secure Transport, needed for TLS support
312 on OSX if openssl and gnutls are not used [autodetect]
313 --enable-vapoursynth enable VapourSynth demuxer [no]
314 --disable-xlib disable xlib [autodetect]
315 --disable-zlib disable zlib [autodetect]
317 The following libraries provide various hardware acceleration features:
318 --disable-amf disable AMF video encoding code [autodetect]
319 --disable-audiotoolbox disable Apple AudioToolbox code [autodetect]
320 --enable-cuda-sdk enable CUDA features that require the CUDA SDK [no]
321 --disable-cuvid disable Nvidia CUVID support [autodetect]
322 --disable-d3d11va disable Microsoft Direct3D 11 video acceleration code [autodetect]
323 --disable-dxva2 disable Microsoft DirectX 9 video acceleration code [autodetect]
324 --disable-ffnvcodec disable dynamically linked Nvidia code [autodetect]
325 --enable-libdrm enable DRM code (Linux) [no]
326 --enable-libmfx enable Intel MediaSDK (AKA Quick Sync Video) code via libmfx [no]
327 --enable-libnpp enable Nvidia Performance Primitives-based code [no]
328 --enable-mmal enable Broadcom Multi-Media Abstraction Layer (Raspberry Pi) via MMAL [no]
329 --disable-nvdec disable Nvidia video decoding acceleration (via hwaccel) [autodetect]
330 --disable-nvenc disable Nvidia video encoding code [autodetect]
331 --enable-omx enable OpenMAX IL code [no]
332 --enable-omx-rpi enable OpenMAX IL code for Raspberry Pi [no]
333 --enable-rkmpp enable Rockchip Media Process Platform code [no]
334 --disable-v4l2-m2m disable V4L2 mem2mem code [autodetect]
335 --disable-vaapi disable Video Acceleration API (mainly Unix/Intel) code [autodetect]
336 --disable-vdpau disable Nvidia Video Decode and Presentation API for Unix code [autodetect]
337 --disable-videotoolbox disable VideoToolbox code [autodetect]
340 --arch=ARCH select architecture [$arch]
341 --cpu=CPU select the minimum required CPU (affects
342 instruction selection, may crash on older CPUs)
343 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
344 --progs-suffix=SUFFIX program name suffix []
345 --enable-cross-compile assume a cross-compiler is used
346 --sysroot=PATH root of cross-build tree
347 --sysinclude=PATH location of cross-build system headers
348 --target-os=OS compiler targets OS [$target_os]
349 --target-exec=CMD command to run executables on target
350 --target-path=DIR path to view of build directory on target
351 --target-samples=DIR path to samples directory on target
352 --tempprefix=PATH force fixed dir/prefix instead of mktemp for checks
353 --toolchain=NAME set tool defaults according to NAME
354 (gcc-asan, clang-asan, gcc-msan, clang-msan,
355 gcc-tsan, clang-tsan, gcc-usan, clang-usan,
356 valgrind-massif, valgrind-memcheck,
357 msvc, icl, gcov, llvm-cov, hardened)
358 --nm=NM use nm tool NM [$nm_default]
359 --ar=AR use archive tool AR [$ar_default]
360 --as=AS use assembler AS [$as_default]
361 --ln_s=LN_S use symbolic link tool LN_S [$ln_s_default]
362 --strip=STRIP use strip tool STRIP [$strip_default]
363 --windres=WINDRES use windows resource compiler WINDRES [$windres_default]
364 --x86asmexe=EXE use nasm-compatible assembler EXE [$x86asmexe_default]
365 --cc=CC use C compiler CC [$cc_default]
366 --cxx=CXX use C compiler CXX [$cxx_default]
367 --objcc=OCC use ObjC compiler OCC [$cc_default]
368 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
369 --nvcc=NVCC use Nvidia CUDA compiler NVCC [$nvcc_default]
370 --ld=LD use linker LD [$ld_default]
371 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
372 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
373 --ranlib=RANLIB use ranlib RANLIB [$ranlib_default]
374 --doxygen=DOXYGEN use DOXYGEN to generate API doc [$doxygen_default]
375 --host-cc=HOSTCC use host C compiler HOSTCC
376 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
377 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
378 --host-ld=HOSTLD use host linker HOSTLD
379 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
380 --host-libs=HLIBS use libs HLIBS when linking for host
381 --host-os=OS compiler host OS [$target_os]
382 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
383 --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
384 --extra-objcflags=FLAGS add FLAGS to OBJCFLAGS [$CFLAGS]
385 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
386 --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
387 --extra-ldsoflags=ELDFLAGS add ELDFLAGS to LDSOFLAGS [$LDSOFLAGS]
388 --extra-libs=ELIBS add ELIBS [$ELIBS]
389 --extra-version=STRING version string suffix []
390 --optflags=OPTFLAGS override optimization-related compiler flags
391 --nvccflags=NVCCFLAGS override nvcc flags [$nvccflags_default]
392 --build-suffix=SUFFIX library name suffix []
393 --enable-pic build position-independent code
394 --enable-thumb compile for Thumb instruction set
395 --enable-lto use link-time optimization
396 --env="ENV=override" override the environment variables
398 Advanced options (experts only):
399 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
400 --custom-allocator=NAME use a supported custom allocator
401 --disable-symver disable symbol versioning
402 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
403 --disable-safe-bitstream-reader
404 disable buffer boundary checking in bitreaders
405 (faster, but may crash)
406 --sws-max-filter-size=N the max filter size swscale uses [$sws_max_filter_size_default]
408 Optimization options (experts only):
409 --disable-asm disable all assembly optimizations
410 --disable-altivec disable AltiVec optimizations
411 --disable-vsx disable VSX optimizations
412 --disable-power8 disable POWER8 optimizations
413 --disable-amd3dnow disable 3DNow! optimizations
414 --disable-amd3dnowext disable 3DNow! extended optimizations
415 --disable-mmx disable MMX optimizations
416 --disable-mmxext disable MMXEXT optimizations
417 --disable-sse disable SSE optimizations
418 --disable-sse2 disable SSE2 optimizations
419 --disable-sse3 disable SSE3 optimizations
420 --disable-ssse3 disable SSSE3 optimizations
421 --disable-sse4 disable SSE4 optimizations
422 --disable-sse42 disable SSE4.2 optimizations
423 --disable-avx disable AVX optimizations
424 --disable-xop disable XOP optimizations
425 --disable-fma3 disable FMA3 optimizations
426 --disable-fma4 disable FMA4 optimizations
427 --disable-avx2 disable AVX2 optimizations
428 --disable-avx512 disable AVX-512 optimizations
429 --disable-aesni disable AESNI optimizations
430 --disable-armv5te disable armv5te optimizations
431 --disable-armv6 disable armv6 optimizations
432 --disable-armv6t2 disable armv6t2 optimizations
433 --disable-vfp disable VFP optimizations
434 --disable-neon disable NEON optimizations
435 --disable-inline-asm disable use of inline assembly
436 --disable-x86asm disable use of standalone x86 assembly
437 --disable-mipsdsp disable MIPS DSP ASE R1 optimizations
438 --disable-mipsdspr2 disable MIPS DSP ASE R2 optimizations
439 --disable-msa disable MSA optimizations
440 --disable-mipsfpu disable floating point MIPS optimizations
441 --disable-mmi disable Loongson SIMD optimizations
442 --disable-fast-unaligned consider unaligned accesses slow
444 Developer options (useful when working on FFmpeg itself):
445 --disable-debug disable debugging symbols
446 --enable-debug=LEVEL set the debug level [$debuglevel]
447 --disable-optimizations disable compiler optimizations
448 --enable-extra-warnings enable more compiler warnings
449 --disable-stripping disable stripping of executables and shared libraries
450 --assert-level=level 0(default), 1 or 2, amount of assertion testing,
451 2 causes a slowdown at runtime.
452 --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
453 --valgrind=VALGRIND run "make fate" tests through valgrind to detect memory
454 leaks and errors, using the specified valgrind binary.
455 Cannot be combined with --target-exec
456 --enable-ftrapv Trap arithmetic overflows
457 --samples=PATH location of test samples for FATE, if not set use
458 \$FATE_SAMPLES at make invocation time.
459 --enable-neon-clobber-test check NEON registers for clobbering (should be
460 used only for debugging purposes)
461 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
462 should be used only for debugging purposes)
463 --enable-random randomly enable/disable components
465 --enable-random=LIST randomly enable/disable specific components or
466 --disable-random=LIST component groups. LIST is a comma-separated list
467 of NAME[:PROB] entries where NAME is a component
468 (group) and PROB the probability associated with
470 --random-seed=VALUE seed value for --enable/disable-random
471 --disable-valgrind-backtrace do not print a backtrace under Valgrind
472 (only applies to --disable-optimizations builds)
473 --enable-osfuzz Enable building fuzzer tool
474 --libfuzzer=PATH path to libfuzzer
475 --ignore-tests=TESTS comma-separated list (without "fate-" prefix
476 in the name) of tests whose result is ignored
477 --enable-linux-perf enable Linux Performance Monitor API
479 NOTE: Object files are built at the place where configure is launched.
484 if test -t 1 && which tput >/dev/null 2>&1; then
485 ncolors=$(tput colors)
486 if test -n "$ncolors" && test $ncolors -ge 8; then
487 bold_color=$(tput bold)
488 warn_color=$(tput setaf 3)
489 error_color=$(tput setaf 1)
490 reset_color=$(tput sgr0)
492 # 72 used instead of 80 since that's the default of pr
498 echo "$@" >> $logfile
503 pr -n -t $1 >> $logfile
509 WARNINGS="${WARNINGS}WARNING: $*\n"
514 echo "$error_color$bold_color$@$reset_color"
517 If you think configure made a mistake, make sure you are using the latest
518 version from Git. If the latest version fails, report the problem to the
519 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
521 if disabled logging; then
523 Rerun configure with logging enabled (do not use --disable-logging), and
524 include the log this produces with your report.
528 Include the log file "$logfile" produced by configure as this will help
535 # Avoid locale weirdness, besides we really just want to translate ASCII.
537 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
541 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
545 echo "$*" | sed 's/["\\]/\\\0/g'
549 v=$(echo "$1" | sed "s/'/'\\\\''/g")
550 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
555 echo "$@" | sed 's/^ *//;s/[[:space:]][[:space:]]*/ /g;s/ *$//'
562 eval "case '$v' in $pat) printf '%s ' '$v' ;; esac"
570 eval "case '$v' in $pat) ;; *) printf '%s ' '$v' ;; esac"
577 for v; do eval $m; done
583 for v; do echo ${v}${suffix}; done
589 for v; do echo ${v%$suffix}; done
604 eval : \${$var:=$value}
609 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
615 eval $(sanitize_var_name "$var")='$*'
619 eval echo \$$(sanitize_var_name "$1")
624 eval level=\${${pvar}_level:=0}
625 eval ${pvar}_${level}="\$$pvar"
626 eval ${pvar}_level=$(($level+1))
632 eval level=\${${pvar}_level:-0}
633 test $level = 0 && continue
634 eval level=$(($level-1))
635 eval $pvar="\${${pvar}_${level}}"
636 eval ${pvar}_level=$level
637 eval unset ${pvar}_${level}
643 eval ${var}_requested=yes
666 enable $(sanitize_var_name $var)
672 disable $(sanitize_var_name $var)
678 enabled $var && continue
679 eval sel="\$${var}_select"
680 eval sgs="\$${var}_suggest"
684 enable_deep_weak $sgs
696 disabled $var && continue
705 test "${1#!}" = "$1" && op="=" || op="!="
706 eval test "x\$${1#!}_requested" $op "xyes"
710 test "${1#!}" = "$1" && op="=" || op="!="
711 eval test "x\$${1#!}" $op "xyes"
715 test "${1#!}" = "$1" && op="=" || op="!="
716 eval test "x\$${1#!}" $op "xno"
721 enabled $opt || return 1
727 disabled $opt || return 1
733 enabled $opt && return 0
739 disabled $opt && return 0
746 eval : \${$opt:=\$${opt}_default}
754 [ $var = $value ] && return 0
761 enabled ${cfg}_checking && die "Circular dependency for $cfg."
762 disabled ${cfg}_checking && continue
763 enable ${cfg}_checking
765 eval dep_all="\$${cfg}_deps"
766 eval dep_any="\$${cfg}_deps_any"
767 eval dep_con="\$${cfg}_conflict"
768 eval dep_sel="\$${cfg}_select"
769 eval dep_sgs="\$${cfg}_suggest"
770 eval dep_ifa="\$${cfg}_if"
771 eval dep_ifn="\$${cfg}_if_any"
773 pushvar cfg dep_all dep_any dep_con dep_sel dep_sgs dep_ifa dep_ifn
774 check_deps $dep_all $dep_any $dep_con $dep_sel $dep_sgs $dep_ifa $dep_ifn
775 popvar cfg dep_all dep_any dep_con dep_sel dep_sgs dep_ifa dep_ifn
777 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
778 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
779 enabled_all $dep_all || { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but not all dependencies are satisfied: $dep_all"; }
780 enabled_any $dep_any || { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but not any dependency is satisfied: $dep_any"; }
781 disabled_all $dep_con || { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but some conflicting dependencies are unsatisfied: $dep_con"; }
782 disabled_any $dep_sel && { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but some selected dependency is unsatisfied: $dep_sel"; }
784 enabled $cfg && enable_deep_weak $dep_sel $dep_sgs
786 for dep in $dep_all $dep_any $dep_sel $dep_sgs; do
787 # filter out library deps, these do not belong in extralibs
788 is_in $dep $LIBRARY_LIST && continue
789 enabled $dep && eval append ${cfg}_extralibs ${dep}_extralibs
792 disable ${cfg}_checking
800 map 'eval echo "$v \${$v:-no}"' "$@" |
801 awk "BEGIN { split(\"$files\", files) }
803 c = \"$pfx\" toupper(\$1);
809 if (file ~ /\\.h\$/) {
810 printf(\"#define %s %d\\n\", c, v) >>file;
811 } else if (file ~ /\\.asm\$/) {
812 printf(\"%%define %s %d\\n\", c, v) >>file;
813 } else if (file ~ /\\.mak\$/) {
814 n = -v ? \"\" : \"!\";
815 printf(\"%s%s=yes\\n\", n, c) >>file;
816 } else if (file ~ /\\.texi\$/) {
817 pre = -v ? \"\" : \"@c \";
820 gsub(/_/, \"-\", c2);
821 printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
831 enabled $v && printf "%s\n" ${v%$suf}
838 eval "$var=\"\$$var $*\""
844 eval "$var=\"$* \$$var\""
850 for tok in $(eval echo \$$var); do
851 uniq_list="$(filter_out $tok $uniq_list) $tok"
853 eval "$var=\"${uniq_list}\""
859 for entry in $(eval echo \$$var); do
860 tmpvar="$tmpvar $(eval echo \$${entry})"
862 eval "$var=\"${tmpvar}\""
870 append CFLAGS $($cflags_filter "$@")
873 add_cflags_headers(){
874 append CFLAGS_HEADERS $($cflags_filter "$@")
878 append CXXFLAGS $($cflags_filter "$@")
882 append ASFLAGS $($asflags_filter "$@")
886 append OBJCFLAGS $($objcflags_filter "$@")
890 append LDFLAGS $($ldflags_filter "$@")
894 append LDEXEFLAGS $($ldflags_filter "$@")
898 append LDSOFLAGS $($ldflags_filter "$@")
902 append ASMSTRIPFLAGS "$@"
906 prepend extralibs $($ldflags_filter "$@")
910 append host_cppflags "$@"
914 append host_cflags $($host_cflags_filter "$@")
918 append host_ldflags $($host_ldflags_filter "$@")
922 append compat_objs $1
924 map 'add_cppflags -D$v' "$@"
929 "$@" >> $logfile 2>&1
934 stat "$1" >> $logfile 2>&1
938 eval printf '%s\\n' $CC_O
942 eval printf '%s\\n' $CC_E
949 test_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
956 test_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
963 test_cmd $objcc -Werror=missing-prototypes $CPPFLAGS $CFLAGS $OBJCFLAGS "$@" $OBJCC_C $(cc_o $TMPO) $TMPM
970 test_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
974 eval printf '%s\\n' $AS_O
981 test_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
985 eval printf '%s\\n' $X86ASM_O
993 test_cmd $x86asmexe $X86ASMFLAGS -Werror "$@" $(x86asm_o $TMPO) $TMPASM
999 disabled $cmd && return
1001 test_cmd $@ && enable $cmd
1010 test_as $@ <<EOF && enable $name
1016 log check_inline_asm "$@"
1021 test_cc "$@" <<EOF && enable $name
1022 void foo(void){ __asm__ volatile($code); }
1026 check_inline_asm_flags(){
1027 log check_inline_asm_flags "$@"
1032 while [ "$1" != "" ]; do
1038 void foo(void){ __asm__ volatile($code); }
1041 test_cmd $cc $CPPFLAGS $CFLAGS $flags "$@" $CC_C $(cc_o $TMPO) $TMPC &&
1042 enable $name && add_cflags $flags && add_asflags $flags && add_ldflags $flags
1047 check_inline_asm ${1}_inline "\"$2\""
1048 check_as ${1}_external "$2"
1052 log check_x86asm "$@"
1056 test_x86asm "$@" && enable $name
1060 eval printf '%s\\n' $LD_O
1067 flags=$(filter_out '-l*|*.so' $@)
1068 libs=$(filter '-l*|*.so' $@)
1069 test_$type $($cflags_filter $flags) || return
1070 flags=$($ldflags_filter $flags)
1071 libs=$($ldflags_filter $libs)
1072 test_cmd $ld $LDFLAGS $LDEXEFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
1081 test_ld $type $@ && enable $name
1086 test "${hdr%.h}" = "${hdr}" &&
1087 echo "#include $hdr" ||
1088 echo "#include <$hdr>"
1098 for hdr in $headers; do
1101 echo "int main(void) { $code; return 0; }"
1102 } | test_$check "$@"
1106 log check_cppflags "$@"
1107 test_cpp "$@" <<EOF && append CPPFLAGS "$@"
1113 log test_cflags "$@"
1114 set -- $($cflags_filter "$@")
1121 log check_cflags "$@"
1122 test_cflags "$@" && add_cflags "$@"
1126 log check_cxxflags "$@"
1127 set -- $($cflags_filter "$@")
1128 test_cxx "$@" <<EOF && append CXXFLAGS "$@"
1134 log test_objcflags "$@"
1135 set -- $($objcflags_filter "$@")
1136 test_objcc "$@" <<EOF
1142 log check_objcflags "$@"
1143 test_objcflags "$@" && add_objcflags "$@"
1147 log test_ldflags "$@"
1148 set -- $($ldflags_filter "$@")
1149 test_ld "cc" "$@" <<EOF
1150 int main(void){ return 0; }
1155 log check_ldflags "$@"
1156 test_ldflags "$@" && add_ldflags "$@"
1160 log test_stripflags "$@"
1161 # call test_cc to get a fresh TMPO
1163 int main(void) { return 0; }
1165 test_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO
1169 log check_stripflags "$@"
1170 test_stripflags "$@" && add_stripflags "$@"
1174 log check_header "$@"
1177 disable_sanitized $headers
1179 for hdr in $headers; do
1183 } | test_cpp "$@" && enable_sanitized $headers
1186 check_header_objcc(){
1187 log check_header_objcc "$@"
1191 disable_sanitized $header
1193 echo "#include <$header>"
1194 echo "int main(void) { return 0; }"
1195 } | test_objcc && test_stat "$TMPO" && enable_sanitized $header
1198 check_apple_framework(){
1199 log check_apple_framework "$@"
1201 name="$(tolower $framework)"
1202 header="${framework}/${framework}.h"
1204 check_header_objcc $header &&
1205 enable $name && eval ${name}_extralibs='"-framework $framework"'
1213 test_ld "cc" "$@" <<EOF && enable $func
1215 int main(void){ $func(); }
1219 check_complexfunc(){
1220 log check_complexfunc "$@"
1224 test $narg = 2 && args="f, g" || args="f * I"
1226 test_ld "cc" "$@" <<EOF && enable $func
1227 #include <complex.h>
1229 float foo(complex float f, complex float g) { return $func($args); }
1230 int main(void){ return (int) foo; }
1235 log check_mathfunc "$@"
1239 test $narg = 2 && args="f, g" || args="f"
1241 test_ld "cc" "$@" <<EOF && enable $func
1243 float foo(float f, float g) { return $func($args); }
1244 int main(void){ return (int) foo; }
1248 check_func_headers(){
1249 log check_func_headers "$@"
1254 for hdr in $headers; do
1257 echo "#include <stdint.h>"
1258 for func in $funcs; do
1259 echo "long check_$func(void) { return (long) $func; }"
1261 echo "int main(void) { int ret = 0;"
1262 # LTO could optimize out the test functions without this
1263 for func in $funcs; do
1264 echo " ret |= ((intptr_t)check_$func) & 0xFFFF;"
1266 echo "return ret; }"
1267 } | test_ld "cc" "$@" && enable $funcs && enable_sanitized $headers
1270 check_class_headers_cpp(){
1271 log check_class_headers_cpp "$@"
1276 for hdr in $headers; do
1277 echo "#include <$hdr>"
1279 echo "int main(void) { "
1281 for class in $classes; do
1282 echo "$class obj$i;"
1286 } | test_ld "cxx" "$@" && enable $funcs && enable_sanitized $headers
1289 test_cpp_condition(){
1290 log test_cpp_condition "$@"
1297 #error "unsatisfied condition: $condition"
1302 check_cpp_condition(){
1303 log check_cpp_condition "$@"
1307 test_cpp_condition "$@" && enable $name
1311 log test_cflags_cc "$@"
1316 set -- $($cflags_filter "$flags")
1320 #error "unsatisfied condition: $condition"
1332 check_func_headers "$headers" "$funcs" "$@" &&
1333 enable $name && eval ${name}_extralibs="\$@"
1337 log check_lib_cpp "$@"
1343 check_class_headers_cpp "$headers" "$classes" "$@" &&
1344 enable $name && eval ${name}_extralibs="\$@"
1348 log test_pkg_config "$@"
1356 test_cmd $pkg_config --exists --print-errors $pkg_version || return
1357 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1358 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1359 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1361 set_sanitized "${name}_cflags" $pkg_cflags &&
1362 set_sanitized "${name}_extralibs" $pkg_libs
1366 log check_pkg_config "$@"
1368 test_pkg_config "$@" &&
1369 eval add_cflags \$${name}_cflags
1373 test_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1377 log check_exec_crash "$@"
1380 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1381 # are safe but may not be available everywhere. Thus we use
1382 # raise(SIGTERM) instead. The check is run in a subshell so we
1383 # can redirect the "Terminated" message from the shell. SIGBUS
1384 # is not defined by standard C so it is used conditionally.
1386 (test_exec "$@") >> $logfile 2>&1 <<EOF
1388 static void sighandler(int sig){
1394 int (*func_ptr)(void) = foo;
1396 signal(SIGILL, sighandler);
1397 signal(SIGFPE, sighandler);
1398 signal(SIGSEGV, sighandler);
1400 signal(SIGBUS, sighandler);
1412 disable_sanitized "$type"
1413 test_code cc "$headers" "$type v" "$@" && enable_sanitized "$type"
1417 log check_struct "$@"
1422 disable_sanitized "${struct}_${member}"
1423 test_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1424 enable_sanitized "${struct}_${member}"
1428 log check_builtin "$@"
1434 test_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1437 check_compile_assert(){
1438 log check_compile_assert "$@"
1444 test_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1452 test_code cc "$@" && enable "$name"
1460 check_lib $name "$@" || die "ERROR: $name_version not found"
1467 test_code cc "$@" || die "ERROR: $name failed"
1475 check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1479 log require_header "$@"
1481 check_header "$@" || die "ERROR: $headers not found"
1484 require_cpp_condition(){
1485 log require_cpp_condition "$@"
1487 test_cpp_condition "$@" || die "ERROR: $condition not satisfied"
1490 require_pkg_config(){
1491 log require_pkg_config "$@"
1493 check_pkg_config "$@" || die "ERROR: $pkg_version not found using pkg-config$pkg_config_fail_message"
1497 eval printf '%s\\n' $HOSTCC_E
1501 eval printf '%s\\n' $HOSTCC_O
1505 log test_host_cc "$@"
1508 test_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1512 log test_host_cpp "$@"
1515 test_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1518 check_host_cppflags(){
1519 log check_host_cppflags "$@"
1520 test_host_cpp "$@" <<EOF && append host_cppflags "$@"
1525 check_host_cflags(){
1526 log check_host_cflags "$@"
1527 set -- $($host_cflags_filter "$@")
1528 test_host_cc "$@" <<EOF && append host_cflags "$@"
1533 test_host_cpp_condition(){
1534 log test_host_cpp_condition "$@"
1538 test_host_cpp "$@" <<EOF
1541 #error "unsatisfied condition: $condition"
1546 check_host_cpp_condition(){
1547 log check_host_cpp_condition "$@"
1551 test_host_cpp_condition "$@" && enable $name
1555 cmp -s "$1" "$2" && { test "$quiet" != "yes" && echo "$2 is unchanged"; } && return
1556 mkdir -p "$(dirname $2)"
1560 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1561 # system-dependent things.
1563 AVCODEC_COMPONENTS="
1571 AVDEVICE_COMPONENTS="
1576 AVFILTER_COMPONENTS="
1580 AVFORMAT_COMPONENTS="
1588 $AVDEVICE_COMPONENTS
1589 $AVFILTER_COMPONENTS
1590 $AVFORMAT_COMPONENTS
1594 avio_dir_cmd_example
1595 avio_reading_example
1596 decode_audio_example
1597 decode_video_example
1598 demuxing_decoding_example
1599 encode_audio_example
1600 encode_video_example
1602 filter_audio_example
1603 filtering_audio_example
1604 filtering_video_example
1605 http_multiclient_example
1611 resampling_audio_example
1612 scaling_video_example
1613 transcode_aac_example
1615 vaapi_encode_example
1616 vaapi_transcode_example
1619 EXTERNAL_AUTODETECT_LIBRARY_LIST="
1639 EXTERNAL_LIBRARY_GPL_LIST="
1652 EXTERNAL_LIBRARY_NONFREE_LIST="
1660 EXTERNAL_LIBRARY_VERSION3_LIST="
1671 EXTERNAL_LIBRARY_GPLV3_LIST="
1675 EXTERNAL_LIBRARY_LIST="
1676 $EXTERNAL_LIBRARY_GPL_LIST
1677 $EXTERNAL_LIBRARY_NONFREE_LIST
1678 $EXTERNAL_LIBRARY_VERSION3_LIST
1679 $EXTERNAL_LIBRARY_GPLV3_LIST
1742 HWACCEL_AUTODETECT_LIBRARY_LIST="
1760 # catchall list of things that require external libs to link
1766 HWACCEL_LIBRARY_NONFREE_LIST="
1771 HWACCEL_LIBRARY_LIST="
1772 $HWACCEL_LIBRARY_NONFREE_LIST
1793 safe_bitstream_reader
1839 # COMPONENT_LIST needs to come last to ensure correct dependency checking
1843 $EXTERNAL_LIBRARY_LIST
1844 $EXTERNAL_AUTODETECT_LIBRARY_LIST
1845 $HWACCEL_LIBRARY_LIST
1846 $HWACCEL_AUTODETECT_LIBRARY_LIST
1878 $EXTERNAL_AUTODETECT_LIBRARY_LIST
1879 $HWACCEL_AUTODETECT_LIBRARY_LIST
1921 ARCH_EXT_LIST_MIPS="
1933 ARCH_EXT_LIST_LOONGSON="
1939 ARCH_EXT_LIST_X86_SIMD="
1969 $ARCH_EXT_LIST_X86_SIMD
1979 $ARCH_EXT_LIST_LOONGSON
2000 sync_val_compare_and_swap
2017 cdio_paranoia_paranoia_h
2020 dev_bktr_ioctl_bt848_h
2021 dev_bktr_ioctl_meteor_h
2023 dev_video_bktr_ioctl_bt848_h
2024 dev_video_meteor_ioctl_meteor_h
2033 machine_ioctl_bt848_h
2034 machine_ioctl_meteor_h
2036 opencv2_core_core_c_h
2098 MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS
2116 GetProcessAffinityMask
2117 GetProcessMemoryInfo
2120 GetSystemTimeAsFileTime
2143 SetConsoleTextAttribute
2144 SetConsoleCtrlHandler
2152 UTGetOSTypeFromString
2164 TOOLCHAIN_FEATURES="
2177 inline_asm_direct_symbol_refs
2179 inline_asm_nonlocal_labels
2190 kCMVideoCodecType_HEVC
2193 struct_group_source_req
2194 struct_ip_mreq_source
2196 struct_msghdr_msg_flags
2198 struct_rusage_ru_maxrss
2199 struct_sctp_event_subscribe
2201 struct_sockaddr_sa_len
2202 struct_sockaddr_storage
2203 struct_stat_st_mtim_tv_nsec
2204 struct_v4l2_frmivalenum_discrete
2209 $(add_suffix _external $ARCH_EXT_LIST)
2210 $(add_suffix _inline $ARCH_EXT_LIST)
2231 opencl_vaapi_beignet
2232 opencl_vaapi_intel_media
2238 # options emitted with CONFIG_ prefix but not available on the command line
2262 frame_thread_encoder
2419 # code dependency declarations
2421 # architecture extensions
2426 armv8_deps="aarch64"
2427 neon_deps_any="aarch64 arm"
2428 intrinsics_neon_deps="neon"
2429 vfp_deps_any="aarch64 arm"
2433 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
2442 loongson2_deps="mips"
2443 loongson3_deps="mips"
2444 mips32r2_deps="mips"
2445 mips32r5_deps="mips"
2446 mips32r6_deps="mips"
2447 mips64r2_deps="mips"
2448 mips64r6_deps="mips"
2451 mipsdspr2_deps="mips"
2456 x86_64_select="i686"
2457 x86_64_suggest="fast_cmov"
2460 amd3dnowext_deps="amd3dnow"
2478 mmx_external_deps="x86asm"
2479 mmx_inline_deps="inline_asm x86"
2480 mmx_suggest="mmx_external mmx_inline"
2482 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
2483 eval dep=\$${ext}_deps
2484 eval ${ext}_external_deps='"${dep}_external"'
2485 eval ${ext}_inline_deps='"${dep}_inline"'
2486 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
2489 aligned_stack_if_any="aarch64 ppc x86"
2490 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
2491 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
2492 fast_unaligned_if_any="aarch64 ppc x86"
2493 simd_align_16_if_any="altivec neon sse"
2494 simd_align_32_if_any="avx"
2495 simd_align_64_if_any="avx512"
2497 # system capabilities
2498 linux_perf_deps="linux_perf_event_h"
2499 symver_if_any="symver_asm_label symver_gnu_asm"
2500 valgrind_backtrace_conflict="optimizations"
2501 valgrind_backtrace_deps="valgrind_valgrind_h"
2504 atomics_gcc_if="sync_val_compare_and_swap"
2505 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
2506 atomics_win32_if="MemoryBarrier"
2507 atomics_native_if_any="$ATOMICS_LIST"
2508 w32threads_deps="atomics_native"
2509 threads_if_any="$THREADS_LIST"
2512 cbs_h264_select="cbs golomb"
2513 cbs_h265_select="cbs golomb"
2514 cbs_mpeg2_select="cbs"
2515 cbs_vp9_select="cbs"
2517 dirac_parse_select="golomb"
2518 dnn_suggest="libtensorflow"
2519 error_resilience_select="me_cmp"
2521 faandct_select="fdctdsp"
2522 faanidct_deps="faan"
2523 faanidct_select="idctdsp"
2524 h264dsp_select="startcode"
2525 hevcparse_select="golomb"
2526 frame_thread_encoder_deps="encoders threads"
2527 intrax8_select="blockdsp idctdsp"
2530 me_cmp_select="fdctdsp idctdsp pixblockdsp"
2531 mpeg_er_select="error_resilience"
2532 mpegaudio_select="mpegaudiodsp mpegaudioheader"
2533 mpegaudiodsp_select="dct"
2534 mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp mpeg_er videodsp"
2535 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
2536 vc1dsp_select="h264chroma qpeldsp startcode"
2539 # decoders / encoders
2540 aac_decoder_select="adts_header mdct15 mdct sinewin"
2541 aac_fixed_decoder_select="adts_header mdct sinewin"
2542 aac_encoder_select="audio_frame_queue iirfilter lpc mdct sinewin"
2543 aac_latm_decoder_select="aac_decoder aac_latm_parser"
2544 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
2545 ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"
2546 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
2547 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
2548 adpcm_g722_decoder_select="g722dsp"
2549 adpcm_g722_encoder_select="g722dsp"
2550 aic_decoder_select="golomb idctdsp"
2551 alac_encoder_select="lpc"
2552 als_decoder_select="bswapdsp"
2553 amrnb_decoder_select="lsp"
2554 amrwb_decoder_select="lsp"
2555 amv_decoder_select="sp5x_decoder exif"
2556 amv_encoder_select="aandcttables jpegtables mpegvideoenc"
2557 ape_decoder_select="bswapdsp llauddsp"
2558 apng_decoder_deps="zlib"
2559 apng_encoder_deps="zlib"
2560 apng_encoder_select="llvidencdsp"
2561 aptx_decoder_select="audio_frame_queue"
2562 aptx_encoder_select="audio_frame_queue"
2563 aptx_hd_decoder_select="audio_frame_queue"
2564 aptx_hd_encoder_select="audio_frame_queue"
2565 asv1_decoder_select="blockdsp bswapdsp idctdsp"
2566 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
2567 asv2_decoder_select="blockdsp bswapdsp idctdsp"
2568 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
2569 atrac1_decoder_select="mdct sinewin"
2570 atrac3_decoder_select="mdct"
2571 atrac3p_decoder_select="mdct sinewin"
2572 atrac9_decoder_select="mdct"
2573 avrn_decoder_select="exif jpegtables"
2574 bink_decoder_select="blockdsp hpeldsp"
2575 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
2576 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
2577 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
2578 clearvideo_decoder_select="idctdsp"
2579 cllc_decoder_select="bswapdsp"
2580 comfortnoise_encoder_select="lpc"
2581 cook_decoder_select="audiodsp mdct sinewin"
2582 cscd_decoder_select="lzo"
2583 cscd_decoder_suggest="zlib"
2584 dca_decoder_select="mdct"
2585 dds_decoder_select="texturedsp"
2586 dirac_decoder_select="dirac_parse dwt golomb videodsp mpegvideoenc"
2587 dnxhd_decoder_select="blockdsp idctdsp"
2588 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
2589 dolby_e_decoder_select="mdct"
2590 dvvideo_decoder_select="dvprofile idctdsp"
2591 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
2592 dxa_decoder_deps="zlib"
2593 dxv_decoder_select="lzf texturedsp"
2594 eac3_decoder_select="ac3_decoder"
2595 eac3_encoder_select="ac3_encoder"
2596 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
2597 eatgq_decoder_select="aandcttables"
2598 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp"
2599 exr_decoder_deps="zlib"
2600 ffv1_decoder_select="rangecoder"
2601 ffv1_encoder_select="rangecoder"
2602 ffvhuff_decoder_select="huffyuv_decoder"
2603 ffvhuff_encoder_select="huffyuv_encoder"
2604 fic_decoder_select="golomb"
2605 flac_decoder_select="flacdsp"
2606 flac_encoder_select="bswapdsp flacdsp lpc"
2607 flashsv2_decoder_deps="zlib"
2608 flashsv2_encoder_deps="zlib"
2609 flashsv_decoder_deps="zlib"
2610 flashsv_encoder_deps="zlib"
2611 flv_decoder_select="h263_decoder"
2612 flv_encoder_select="h263_encoder"
2613 fourxm_decoder_select="blockdsp bswapdsp"
2614 fraps_decoder_select="bswapdsp huffman"
2615 g2m_decoder_deps="zlib"
2616 g2m_decoder_select="blockdsp idctdsp jpegtables"
2617 g729_decoder_select="audiodsp"
2618 h261_decoder_select="mpegvideo"
2619 h261_encoder_select="aandcttables mpegvideoenc"
2620 h263_decoder_select="h263_parser h263dsp mpegvideo qpeldsp"
2621 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
2622 h263i_decoder_select="h263_decoder"
2623 h263p_decoder_select="h263_decoder"
2624 h263p_encoder_select="h263_encoder"
2625 h264_decoder_select="cabac golomb h264chroma h264dsp h264parse h264pred h264qpel videodsp"
2626 h264_decoder_suggest="error_resilience"
2627 hap_decoder_select="snappy texturedsp"
2628 hap_encoder_deps="libsnappy"
2629 hap_encoder_select="texturedspenc"
2630 hevc_decoder_select="bswapdsp cabac golomb hevcparse videodsp"
2631 huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"
2632 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llvidencdsp"
2633 iac_decoder_select="imc_decoder"
2634 imc_decoder_select="bswapdsp fft mdct sinewin"
2635 indeo3_decoder_select="hpeldsp"
2636 indeo4_decoder_select="ividsp"
2637 indeo5_decoder_select="ividsp"
2638 interplay_video_decoder_select="hpeldsp"
2639 jpegls_decoder_select="mjpeg_decoder"
2640 jv_decoder_select="blockdsp"
2641 lagarith_decoder_select="llviddsp"
2642 ljpeg_encoder_select="aandcttables idctdsp jpegtables mpegvideoenc"
2643 magicyuv_decoder_select="llviddsp"
2644 magicyuv_encoder_select="llvidencdsp"
2645 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2646 metasound_decoder_select="lsp mdct sinewin"
2647 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2648 mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"
2649 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
2650 mjpegb_decoder_select="mjpeg_decoder"
2651 mlp_decoder_select="mlp_parser"
2652 mlp_encoder_select="lpc"
2653 motionpixels_decoder_select="bswapdsp"
2654 mp1_decoder_select="mpegaudio"
2655 mp1float_decoder_select="mpegaudio"
2656 mp2_decoder_select="mpegaudio"
2657 mp2float_decoder_select="mpegaudio"
2658 mp3_decoder_select="mpegaudio"
2659 mp3adu_decoder_select="mpegaudio"
2660 mp3adufloat_decoder_select="mpegaudio"
2661 mp3float_decoder_select="mpegaudio"
2662 mp3on4_decoder_select="mpegaudio"
2663 mp3on4float_decoder_select="mpegaudio"
2664 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2665 mpc8_decoder_select="mpegaudiodsp"
2666 mpegvideo_decoder_select="mpegvideo"
2667 mpeg1video_decoder_select="mpegvideo"
2668 mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"
2669 mpeg2video_decoder_select="mpegvideo"
2670 mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"
2671 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2672 mpeg4_encoder_select="h263_encoder"
2673 msa1_decoder_select="mss34dsp"
2674 mscc_decoder_deps="zlib"
2675 msmpeg4v1_decoder_select="h263_decoder"
2676 msmpeg4v2_decoder_select="h263_decoder"
2677 msmpeg4v2_encoder_select="h263_encoder"
2678 msmpeg4v3_decoder_select="h263_decoder"
2679 msmpeg4v3_encoder_select="h263_encoder"
2680 mss2_decoder_select="mpegvideo qpeldsp vc1_decoder"
2681 mts2_decoder_select="mss34dsp"
2682 mxpeg_decoder_select="mjpeg_decoder"
2683 nellymoser_decoder_select="mdct sinewin"
2684 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2685 nuv_decoder_select="idctdsp lzo"
2686 on2avc_decoder_select="mdct"
2687 opus_decoder_deps="swresample"
2688 opus_decoder_select="mdct15"
2689 opus_encoder_select="audio_frame_queue mdct15"
2690 png_decoder_deps="zlib"
2691 png_encoder_deps="zlib"
2692 png_encoder_select="llvidencdsp"
2693 prores_decoder_select="blockdsp idctdsp"
2694 prores_encoder_select="fdctdsp"
2695 qcelp_decoder_select="lsp"
2696 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2697 ra_144_decoder_select="audiodsp"
2698 ra_144_encoder_select="audio_frame_queue lpc audiodsp"
2699 ralf_decoder_select="golomb"
2700 rawvideo_decoder_select="bswapdsp"
2701 rscc_decoder_deps="zlib"
2702 rtjpeg_decoder_select="me_cmp"
2703 rv10_decoder_select="h263_decoder"
2704 rv10_encoder_select="h263_encoder"
2705 rv20_decoder_select="h263_decoder"
2706 rv20_encoder_select="h263_encoder"
2707 rv30_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2708 rv40_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2709 screenpresso_decoder_deps="zlib"
2710 shorten_decoder_select="bswapdsp"
2711 sipr_decoder_select="lsp"
2712 snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"
2713 snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"
2714 sonic_decoder_select="golomb rangecoder"
2715 sonic_encoder_select="golomb rangecoder"
2716 sonic_ls_encoder_select="golomb rangecoder"
2717 sp5x_decoder_select="mjpeg_decoder"
2718 srgc_decoder_deps="zlib"
2719 svq1_decoder_select="hpeldsp"
2720 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2721 svq3_decoder_select="golomb h264dsp h264parse h264pred hpeldsp tpeldsp videodsp"
2722 svq3_decoder_suggest="zlib"
2723 tak_decoder_select="audiodsp"
2724 tdsc_decoder_deps="zlib"
2725 tdsc_decoder_select="mjpeg_decoder"
2726 theora_decoder_select="vp3_decoder"
2727 thp_decoder_select="mjpeg_decoder"
2728 tiff_decoder_suggest="zlib lzma"
2729 tiff_encoder_suggest="zlib"
2730 truehd_decoder_select="mlp_parser"
2731 truehd_encoder_select="lpc"
2732 truemotion2_decoder_select="bswapdsp"
2733 truespeech_decoder_select="bswapdsp"
2734 tscc_decoder_deps="zlib"
2735 twinvq_decoder_select="mdct lsp sinewin"
2736 txd_decoder_select="texturedsp"
2737 utvideo_decoder_select="bswapdsp llviddsp"
2738 utvideo_encoder_select="bswapdsp huffman llvidencdsp"
2739 vble_decoder_select="llviddsp"
2740 vc1_decoder_select="blockdsp h263_decoder h264qpel intrax8 mpegvideo vc1dsp"
2741 vc1image_decoder_select="vc1_decoder"
2742 vorbis_decoder_select="mdct"
2743 vorbis_encoder_select="audio_frame_queue mdct"
2744 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2745 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"
2746 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"
2747 vp6a_decoder_select="vp6_decoder"
2748 vp6f_decoder_select="vp6_decoder"
2749 vp7_decoder_select="h264pred videodsp vp8dsp"
2750 vp8_decoder_select="h264pred videodsp vp8dsp"
2751 vp9_decoder_select="videodsp vp9_parser vp9_superframe_split_bsf"
2752 webp_decoder_select="vp8_decoder exif"
2753 wmalossless_decoder_select="llauddsp"
2754 wmapro_decoder_select="mdct sinewin wma_freqs"
2755 wmav1_decoder_select="mdct sinewin wma_freqs"
2756 wmav1_encoder_select="mdct sinewin wma_freqs"
2757 wmav2_decoder_select="mdct sinewin wma_freqs"
2758 wmav2_encoder_select="mdct sinewin wma_freqs"
2759 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2760 wmv1_decoder_select="h263_decoder"
2761 wmv1_encoder_select="h263_encoder"
2762 wmv2_decoder_select="blockdsp error_resilience h263_decoder idctdsp intrax8 videodsp wmv2dsp"
2763 wmv2_encoder_select="h263_encoder wmv2dsp"
2764 wmv3_decoder_select="vc1_decoder"
2765 wmv3image_decoder_select="wmv3_decoder"
2766 xma1_decoder_select="wmapro_decoder"
2767 xma2_decoder_select="wmapro_decoder"
2768 zerocodec_decoder_deps="zlib"
2769 zlib_decoder_deps="zlib"
2770 zlib_encoder_deps="zlib"
2771 zmbv_decoder_deps="zlib"
2772 zmbv_encoder_deps="zlib"
2774 # hardware accelerators
2775 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
2776 cuda_deps="ffnvcodec"
2777 cuvid_deps="ffnvcodec"
2778 d3d11va_deps="dxva_h ID3D11VideoDecoder ID3D11VideoContext"
2779 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode ole32 user32"
2780 ffnvcodec_deps_any="libdl LoadLibrary"
2781 nvdec_deps="ffnvcodec"
2782 videotoolbox_hwaccel_deps="videotoolbox pthreads"
2783 videotoolbox_hwaccel_extralibs="-framework QuartzCore"
2784 xvmc_deps="X11_extensions_XvMClib_h"
2786 h263_vaapi_hwaccel_deps="vaapi"
2787 h263_vaapi_hwaccel_select="h263_decoder"
2788 h263_videotoolbox_hwaccel_deps="videotoolbox"
2789 h263_videotoolbox_hwaccel_select="h263_decoder"
2790 h264_d3d11va_hwaccel_deps="d3d11va"
2791 h264_d3d11va_hwaccel_select="h264_decoder"
2792 h264_d3d11va2_hwaccel_deps="d3d11va"
2793 h264_d3d11va2_hwaccel_select="h264_decoder"
2794 h264_dxva2_hwaccel_deps="dxva2"
2795 h264_dxva2_hwaccel_select="h264_decoder"
2796 h264_nvdec_hwaccel_deps="nvdec"
2797 h264_nvdec_hwaccel_select="h264_decoder"
2798 h264_vaapi_hwaccel_deps="vaapi"
2799 h264_vaapi_hwaccel_select="h264_decoder"
2800 h264_vdpau_hwaccel_deps="vdpau"
2801 h264_vdpau_hwaccel_select="h264_decoder"
2802 h264_videotoolbox_hwaccel_deps="videotoolbox"
2803 h264_videotoolbox_hwaccel_select="h264_decoder"
2804 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2805 hevc_d3d11va_hwaccel_select="hevc_decoder"
2806 hevc_d3d11va2_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2807 hevc_d3d11va2_hwaccel_select="hevc_decoder"
2808 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2809 hevc_dxva2_hwaccel_select="hevc_decoder"
2810 hevc_nvdec_hwaccel_deps="nvdec"
2811 hevc_nvdec_hwaccel_select="hevc_decoder"
2812 hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC"
2813 hevc_vaapi_hwaccel_select="hevc_decoder"
2814 hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"
2815 hevc_vdpau_hwaccel_select="hevc_decoder"
2816 hevc_videotoolbox_hwaccel_deps="videotoolbox"
2817 hevc_videotoolbox_hwaccel_select="hevc_decoder"
2818 mjpeg_nvdec_hwaccel_deps="nvdec"
2819 mjpeg_nvdec_hwaccel_select="mjpeg_decoder"
2820 mjpeg_vaapi_hwaccel_deps="vaapi"
2821 mjpeg_vaapi_hwaccel_select="mjpeg_decoder"
2822 mpeg_xvmc_hwaccel_deps="xvmc"
2823 mpeg_xvmc_hwaccel_select="mpeg2video_decoder"
2824 mpeg1_nvdec_hwaccel_deps="nvdec"
2825 mpeg1_nvdec_hwaccel_select="mpeg1video_decoder"
2826 mpeg1_vdpau_hwaccel_deps="vdpau"
2827 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2828 mpeg1_videotoolbox_hwaccel_deps="videotoolbox"
2829 mpeg1_videotoolbox_hwaccel_select="mpeg1video_decoder"
2830 mpeg1_xvmc_hwaccel_deps="xvmc"
2831 mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"
2832 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2833 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2834 mpeg2_d3d11va2_hwaccel_deps="d3d11va"
2835 mpeg2_d3d11va2_hwaccel_select="mpeg2video_decoder"
2836 mpeg2_dxva2_hwaccel_deps="dxva2"
2837 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2838 mpeg2_nvdec_hwaccel_deps="nvdec"
2839 mpeg2_nvdec_hwaccel_select="mpeg2video_decoder"
2840 mpeg2_vaapi_hwaccel_deps="vaapi"
2841 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2842 mpeg2_vdpau_hwaccel_deps="vdpau"
2843 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2844 mpeg2_videotoolbox_hwaccel_deps="videotoolbox"
2845 mpeg2_videotoolbox_hwaccel_select="mpeg2video_decoder"
2846 mpeg2_xvmc_hwaccel_deps="xvmc"
2847 mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"
2848 mpeg4_nvdec_hwaccel_deps="nvdec"
2849 mpeg4_nvdec_hwaccel_select="mpeg4_decoder"
2850 mpeg4_vaapi_hwaccel_deps="vaapi"
2851 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2852 mpeg4_vdpau_hwaccel_deps="vdpau"
2853 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2854 mpeg4_videotoolbox_hwaccel_deps="videotoolbox"
2855 mpeg4_videotoolbox_hwaccel_select="mpeg4_decoder"
2856 vc1_d3d11va_hwaccel_deps="d3d11va"
2857 vc1_d3d11va_hwaccel_select="vc1_decoder"
2858 vc1_d3d11va2_hwaccel_deps="d3d11va"
2859 vc1_d3d11va2_hwaccel_select="vc1_decoder"
2860 vc1_dxva2_hwaccel_deps="dxva2"
2861 vc1_dxva2_hwaccel_select="vc1_decoder"
2862 vc1_nvdec_hwaccel_deps="nvdec"
2863 vc1_nvdec_hwaccel_select="vc1_decoder"
2864 vc1_vaapi_hwaccel_deps="vaapi"
2865 vc1_vaapi_hwaccel_select="vc1_decoder"
2866 vc1_vdpau_hwaccel_deps="vdpau"
2867 vc1_vdpau_hwaccel_select="vc1_decoder"
2868 vp8_nvdec_hwaccel_deps="nvdec"
2869 vp8_nvdec_hwaccel_select="vp8_decoder"
2870 vp8_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferVP8"
2871 vp8_vaapi_hwaccel_select="vp8_decoder"
2872 vp9_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_VP9"
2873 vp9_d3d11va_hwaccel_select="vp9_decoder"
2874 vp9_d3d11va2_hwaccel_deps="d3d11va DXVA_PicParams_VP9"
2875 vp9_d3d11va2_hwaccel_select="vp9_decoder"
2876 vp9_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_VP9"
2877 vp9_dxva2_hwaccel_select="vp9_decoder"
2878 vp9_nvdec_hwaccel_deps="nvdec"
2879 vp9_nvdec_hwaccel_select="vp9_decoder"
2880 vp9_vaapi_hwaccel_deps="vaapi VADecPictureParameterBufferVP9_bit_depth"
2881 vp9_vaapi_hwaccel_select="vp9_decoder"
2882 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2883 wmv3_d3d11va2_hwaccel_select="vc1_d3d11va2_hwaccel"
2884 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2885 wmv3_nvdec_hwaccel_select="vc1_nvdec_hwaccel"
2886 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2887 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2889 # hardware-accelerated codecs
2890 omx_deps="libdl pthreads"
2891 omx_rpi_select="omx"
2896 vaapi_encode_deps="vaapi"
2897 v4l2_m2m_deps="linux_videodev2_h sem_timedwait"
2899 hwupload_cuda_filter_deps="ffnvcodec"
2900 scale_npp_filter_deps="ffnvcodec libnpp"
2901 scale_cuda_filter_deps="cuda_sdk"
2902 thumbnail_cuda_filter_deps="cuda_sdk"
2904 amf_deps_any="libdl LoadLibrary"
2905 nvenc_deps="ffnvcodec"
2906 nvenc_deps_any="libdl LoadLibrary"
2907 nvenc_encoder_deps="nvenc"
2909 h263_v4l2m2m_decoder_deps="v4l2_m2m h263_v4l2_m2m"
2910 h263_v4l2m2m_encoder_deps="v4l2_m2m h263_v4l2_m2m"
2911 h264_amf_encoder_deps="amf"
2912 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
2913 h264_cuvid_decoder_deps="cuvid"
2914 h264_cuvid_decoder_select="h264_mp4toannexb_bsf"
2915 h264_mediacodec_decoder_deps="mediacodec"
2916 h264_mediacodec_decoder_select="h264_mp4toannexb_bsf h264_parser"
2917 h264_mmal_decoder_deps="mmal"
2918 h264_nvenc_encoder_deps="nvenc"
2919 h264_omx_encoder_deps="omx"
2920 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec"
2921 h264_qsv_encoder_select="qsvenc"
2922 h264_rkmpp_decoder_deps="rkmpp"
2923 h264_rkmpp_decoder_select="h264_mp4toannexb_bsf"
2924 h264_vaapi_encoder_deps="VAEncPictureParameterBufferH264"
2925 h264_vaapi_encoder_select="cbs_h264 vaapi_encode"
2926 h264_v4l2m2m_decoder_deps="v4l2_m2m h264_v4l2_m2m"
2927 h264_v4l2m2m_encoder_deps="v4l2_m2m h264_v4l2_m2m"
2928 hevc_amf_encoder_deps="amf"
2929 hevc_cuvid_decoder_deps="cuvid"
2930 hevc_cuvid_decoder_select="hevc_mp4toannexb_bsf"
2931 hevc_mediacodec_decoder_deps="mediacodec"
2932 hevc_mediacodec_decoder_select="hevc_mp4toannexb_bsf hevc_parser"
2933 hevc_nvenc_encoder_deps="nvenc"
2934 hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec"
2935 hevc_qsv_encoder_select="hevcparse qsvenc"
2936 hevc_rkmpp_decoder_deps="rkmpp"
2937 hevc_rkmpp_decoder_select="hevc_mp4toannexb_bsf"
2938 hevc_vaapi_encoder_deps="VAEncPictureParameterBufferHEVC"
2939 hevc_vaapi_encoder_select="cbs_h265 vaapi_encode"
2940 hevc_v4l2m2m_decoder_deps="v4l2_m2m hevc_v4l2_m2m"
2941 hevc_v4l2m2m_encoder_deps="v4l2_m2m hevc_v4l2_m2m"
2942 mjpeg_cuvid_decoder_deps="cuvid"
2943 mjpeg_qsv_encoder_deps="libmfx"
2944 mjpeg_qsv_encoder_select="qsvenc"
2945 mjpeg_vaapi_encoder_deps="VAEncPictureParameterBufferJPEG"
2946 mjpeg_vaapi_encoder_select="vaapi_encode jpegtables"
2947 mpeg1_cuvid_decoder_deps="cuvid"
2948 mpeg1_v4l2m2m_decoder_deps="v4l2_m2m mpeg1_v4l2_m2m"
2949 mpeg2_crystalhd_decoder_select="crystalhd"
2950 mpeg2_cuvid_decoder_deps="cuvid"
2951 mpeg2_mmal_decoder_deps="mmal"
2952 mpeg2_mediacodec_decoder_deps="mediacodec"
2953 mpeg2_qsv_decoder_select="qsvdec mpegvideo_parser"
2954 mpeg2_qsv_encoder_select="qsvenc"
2955 mpeg2_vaapi_encoder_deps="VAEncPictureParameterBufferMPEG2"
2956 mpeg2_vaapi_encoder_select="cbs_mpeg2 vaapi_encode"
2957 mpeg2_v4l2m2m_decoder_deps="v4l2_m2m mpeg2_v4l2_m2m"
2958 mpeg4_crystalhd_decoder_select="crystalhd"
2959 mpeg4_cuvid_decoder_deps="cuvid"
2960 mpeg4_mediacodec_decoder_deps="mediacodec"
2961 mpeg4_mmal_decoder_deps="mmal"
2962 mpeg4_omx_encoder_deps="omx"
2963 mpeg4_v4l2m2m_decoder_deps="v4l2_m2m mpeg4_v4l2_m2m"
2964 mpeg4_v4l2m2m_encoder_deps="v4l2_m2m mpeg4_v4l2_m2m"
2965 msmpeg4_crystalhd_decoder_select="crystalhd"
2966 nvenc_h264_encoder_select="h264_nvenc_encoder"
2967 nvenc_hevc_encoder_select="hevc_nvenc_encoder"
2968 vc1_crystalhd_decoder_select="crystalhd"
2969 vc1_cuvid_decoder_deps="cuvid"
2970 vc1_mmal_decoder_deps="mmal"
2971 vc1_qsv_decoder_select="qsvdec vc1_parser"
2972 vc1_v4l2m2m_decoder_deps="v4l2_m2m vc1_v4l2_m2m"
2973 vp8_cuvid_decoder_deps="cuvid"
2974 vp8_mediacodec_decoder_deps="mediacodec"
2975 vp8_qsv_decoder_select="qsvdec vp8_parser"
2976 vp8_rkmpp_decoder_deps="rkmpp"
2977 vp8_vaapi_encoder_deps="VAEncPictureParameterBufferVP8"
2978 vp8_vaapi_encoder_select="vaapi_encode"
2979 vp8_v4l2m2m_decoder_deps="v4l2_m2m vp8_v4l2_m2m"
2980 vp8_v4l2m2m_encoder_deps="v4l2_m2m vp8_v4l2_m2m"
2981 vp9_cuvid_decoder_deps="cuvid"
2982 vp9_mediacodec_decoder_deps="mediacodec"
2983 vp9_rkmpp_decoder_deps="rkmpp"
2984 vp9_vaapi_encoder_deps="VAEncPictureParameterBufferVP9"
2985 vp9_vaapi_encoder_select="vaapi_encode"
2986 vp9_v4l2m2m_decoder_deps="v4l2_m2m vp9_v4l2_m2m"
2987 wmv3_crystalhd_decoder_select="crystalhd"
2990 aac_parser_select="adts_header"
2991 h264_parser_select="golomb h264dsp h264parse"
2992 hevc_parser_select="hevcparse"
2993 mpegaudio_parser_select="mpegaudioheader"
2994 mpegvideo_parser_select="mpegvideo"
2995 mpeg4video_parser_select="h263dsp mpegvideo qpeldsp"
2996 vc1_parser_select="vc1dsp"
2999 aac_adtstoasc_bsf_select="adts_header"
3000 eac3_core_bsf_select="ac3_parser"
3001 filter_units_bsf_select="cbs"
3002 h264_metadata_bsf_deps="const_nan"
3003 h264_metadata_bsf_select="cbs_h264"
3004 h264_redundant_pps_bsf_select="cbs_h264"
3005 hevc_metadata_bsf_select="cbs_h265"
3006 mjpeg2jpeg_bsf_select="jpegtables"
3007 mpeg2_metadata_bsf_select="cbs_mpeg2"
3008 trace_headers_bsf_select="cbs"
3009 vp9_metadata_bsf_select="cbs_vp9"
3011 # external libraries
3012 aac_at_decoder_deps="audiotoolbox"
3013 aac_at_decoder_select="aac_adtstoasc_bsf"
3014 ac3_at_decoder_deps="audiotoolbox"
3015 ac3_at_decoder_select="ac3_parser"
3016 adpcm_ima_qt_at_decoder_deps="audiotoolbox"
3017 alac_at_decoder_deps="audiotoolbox"
3018 amr_nb_at_decoder_deps="audiotoolbox"
3019 avisynth_deps_any="libdl LoadLibrary"
3020 avisynth_demuxer_deps="avisynth"
3021 avisynth_demuxer_select="riffdec"
3022 eac3_at_decoder_deps="audiotoolbox"
3023 eac3_at_decoder_select="ac3_parser"
3024 gsm_ms_at_decoder_deps="audiotoolbox"
3025 ilbc_at_decoder_deps="audiotoolbox"
3026 mp1_at_decoder_deps="audiotoolbox"
3027 mp2_at_decoder_deps="audiotoolbox"
3028 mp3_at_decoder_deps="audiotoolbox"
3029 mp1_at_decoder_select="mpegaudioheader"
3030 mp2_at_decoder_select="mpegaudioheader"
3031 mp3_at_decoder_select="mpegaudioheader"
3032 pcm_alaw_at_decoder_deps="audiotoolbox"
3033 pcm_mulaw_at_decoder_deps="audiotoolbox"
3034 qdmc_at_decoder_deps="audiotoolbox"
3035 qdm2_at_decoder_deps="audiotoolbox"
3036 aac_at_encoder_deps="audiotoolbox"
3037 aac_at_encoder_select="audio_frame_queue"
3038 alac_at_encoder_deps="audiotoolbox"
3039 alac_at_encoder_select="audio_frame_queue"
3040 ilbc_at_encoder_deps="audiotoolbox"
3041 ilbc_at_encoder_select="audio_frame_queue"
3042 pcm_alaw_at_encoder_deps="audiotoolbox"
3043 pcm_alaw_at_encoder_select="audio_frame_queue"
3044 pcm_mulaw_at_encoder_deps="audiotoolbox"
3045 pcm_mulaw_at_encoder_select="audio_frame_queue"
3046 chromaprint_muxer_deps="chromaprint"
3047 h264_videotoolbox_encoder_deps="pthreads"
3048 h264_videotoolbox_encoder_select="videotoolbox_encoder"
3049 hevc_videotoolbox_encoder_deps="pthreads"
3050 hevc_videotoolbox_encoder_select="videotoolbox_encoder"
3051 libaom_av1_decoder_deps="libaom"
3052 libaom_av1_encoder_deps="libaom"
3053 libaom_av1_encoder_select="extract_extradata_bsf"
3054 libcelt_decoder_deps="libcelt"
3055 libcodec2_decoder_deps="libcodec2"
3056 libcodec2_encoder_deps="libcodec2"
3057 libdavs2_decoder_deps="libdavs2"
3058 libfdk_aac_decoder_deps="libfdk_aac"
3059 libfdk_aac_encoder_deps="libfdk_aac"
3060 libfdk_aac_encoder_select="audio_frame_queue"
3061 libgme_demuxer_deps="libgme"
3062 libgsm_decoder_deps="libgsm"
3063 libgsm_encoder_deps="libgsm"
3064 libgsm_ms_decoder_deps="libgsm"
3065 libgsm_ms_encoder_deps="libgsm"
3066 libilbc_decoder_deps="libilbc"
3067 libilbc_encoder_deps="libilbc"
3068 libkvazaar_encoder_deps="libkvazaar"
3069 libmodplug_demuxer_deps="libmodplug"
3070 libmp3lame_encoder_deps="libmp3lame"
3071 libmp3lame_encoder_select="audio_frame_queue mpegaudioheader"
3072 libopencore_amrnb_decoder_deps="libopencore_amrnb"
3073 libopencore_amrnb_encoder_deps="libopencore_amrnb"
3074 libopencore_amrnb_encoder_select="audio_frame_queue"
3075 libopencore_amrwb_decoder_deps="libopencore_amrwb"
3076 libopenh264_decoder_deps="libopenh264"
3077 libopenh264_decoder_select="h264_mp4toannexb_bsf"
3078 libopenh264_encoder_deps="libopenh264"
3079 libopenjpeg_decoder_deps="libopenjpeg"
3080 libopenjpeg_encoder_deps="libopenjpeg"
3081 libopenmpt_demuxer_deps="libopenmpt"
3082 libopus_decoder_deps="libopus"
3083 libopus_encoder_deps="libopus"
3084 libopus_encoder_select="audio_frame_queue"
3085 librsvg_decoder_deps="librsvg"
3086 libshine_encoder_deps="libshine"
3087 libshine_encoder_select="audio_frame_queue"
3088 libspeex_decoder_deps="libspeex"
3089 libspeex_encoder_deps="libspeex"
3090 libspeex_encoder_select="audio_frame_queue"
3091 libtheora_encoder_deps="libtheora"
3092 libtwolame_encoder_deps="libtwolame"
3093 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
3094 libvorbis_decoder_deps="libvorbis"
3095 libvorbis_encoder_deps="libvorbis libvorbisenc"
3096 libvorbis_encoder_select="audio_frame_queue"
3097 libvpx_vp8_decoder_deps="libvpx"
3098 libvpx_vp8_encoder_deps="libvpx"
3099 libvpx_vp9_decoder_deps="libvpx"
3100 libvpx_vp9_encoder_deps="libvpx"
3101 libwavpack_encoder_deps="libwavpack"
3102 libwavpack_encoder_select="audio_frame_queue"
3103 libwebp_encoder_deps="libwebp"
3104 libwebp_anim_encoder_deps="libwebp"
3105 libx262_encoder_deps="libx262"
3106 libx264_encoder_deps="libx264"
3107 libx264rgb_encoder_deps="libx264 x264_csp_bgr"
3108 libx264rgb_encoder_select="libx264_encoder"
3109 libx265_encoder_deps="libx265"
3110 libxavs_encoder_deps="libxavs"
3111 libxvid_encoder_deps="libxvid"
3112 libzvbi_teletext_decoder_deps="libzvbi"
3113 vapoursynth_demuxer_deps="vapoursynth"
3114 videotoolbox_suggest="coreservices"
3115 videotoolbox_deps="corefoundation coremedia corevideo"
3116 videotoolbox_encoder_deps="videotoolbox VTCompressionSessionPrepareToEncodeFrames"
3119 ac3_demuxer_select="ac3_parser"
3120 aiff_muxer_select="iso_media"
3121 asf_demuxer_select="riffdec"
3122 asf_o_demuxer_select="riffdec"
3123 asf_muxer_select="riffenc"
3124 asf_stream_muxer_select="asf_muxer"
3125 avi_demuxer_select="iso_media riffdec exif"
3126 avi_muxer_select="riffenc"
3127 caf_demuxer_select="iso_media riffdec"
3128 caf_muxer_select="iso_media"
3129 dash_muxer_select="mp4_muxer"
3130 dash_demuxer_deps="libxml2"
3131 dirac_demuxer_select="dirac_parser"
3132 dts_demuxer_select="dca_parser"
3133 dtshd_demuxer_select="dca_parser"
3134 dv_demuxer_select="dvprofile"
3135 dv_muxer_select="dvprofile"
3136 dxa_demuxer_select="riffdec"
3137 eac3_demuxer_select="ac3_parser"
3138 f4v_muxer_select="mov_muxer"
3139 fifo_muxer_deps="threads"
3140 flac_demuxer_select="flac_parser"
3141 hds_muxer_select="flv_muxer"
3142 hls_muxer_select="mpegts_muxer"
3143 hls_muxer_suggest="gcrypt openssl"
3144 image2_alias_pix_demuxer_select="image2_demuxer"
3145 image2_brender_pix_demuxer_select="image2_demuxer"
3146 ipod_muxer_select="mov_muxer"
3147 ismv_muxer_select="mov_muxer"
3148 matroska_audio_muxer_select="matroska_muxer"
3149 matroska_demuxer_select="iso_media riffdec"
3150 matroska_demuxer_suggest="bzlib lzo zlib"
3151 matroska_muxer_select="iso_media riffenc"
3152 mmf_muxer_select="riffenc"
3153 mov_demuxer_select="iso_media riffdec"
3154 mov_demuxer_suggest="zlib"
3155 mov_muxer_select="iso_media riffenc rtpenc_chain"
3156 mp3_demuxer_select="mpegaudio_parser"
3157 mp3_muxer_select="mpegaudioheader"
3158 mp4_muxer_select="mov_muxer"
3159 mpegts_demuxer_select="iso_media"
3160 mpegts_muxer_select="adts_muxer latm_muxer"
3161 mpegtsraw_demuxer_select="mpegts_demuxer"
3162 mxf_d10_muxer_select="mxf_muxer"
3163 mxf_opatom_muxer_select="mxf_muxer"
3164 nut_muxer_select="riffenc"
3165 nuv_demuxer_select="riffdec"
3166 oga_muxer_select="ogg_muxer"
3167 ogg_demuxer_select="dirac_parse"
3168 ogv_muxer_select="ogg_muxer"
3169 opus_muxer_select="ogg_muxer"
3170 psp_muxer_select="mov_muxer"
3171 rtp_demuxer_select="sdp_demuxer"
3172 rtp_muxer_select="golomb"
3173 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol srtp"
3174 rtsp_demuxer_select="http_protocol rtpdec"
3175 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
3176 sap_demuxer_select="sdp_demuxer"
3177 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
3178 sdp_demuxer_select="rtpdec"
3179 smoothstreaming_muxer_select="ismv_muxer"
3180 spdif_demuxer_select="adts_header"
3181 spdif_muxer_select="adts_header"
3182 spx_muxer_select="ogg_muxer"
3183 swf_demuxer_suggest="zlib"
3184 tak_demuxer_select="tak_parser"
3185 tg2_muxer_select="mov_muxer"
3186 tgp_muxer_select="mov_muxer"
3187 vobsub_demuxer_select="mpegps_demuxer"
3188 w64_demuxer_select="wav_demuxer"
3189 w64_muxer_select="wav_muxer"
3190 wav_demuxer_select="riffdec"
3191 wav_muxer_select="riffenc"
3192 webm_muxer_select="iso_media riffenc"
3193 webm_dash_manifest_demuxer_select="matroska_demuxer"
3194 wtv_demuxer_select="mpegts_demuxer riffdec"
3195 wtv_muxer_select="mpegts_muxer riffenc"
3196 xmv_demuxer_select="riffdec"
3197 xwma_demuxer_select="riffdec"
3200 android_camera_indev_deps="android camera2ndk mediandk pthreads"
3201 android_camera_indev_extralibs="-landroid -lcamera2ndk -lmediandk"
3202 alsa_indev_deps="alsa"
3203 alsa_outdev_deps="alsa"
3204 avfoundation_indev_deps="avfoundation corevideo coremedia pthreads"
3205 avfoundation_indev_suggest="coregraphics applicationservices"
3206 avfoundation_indev_extralibs="-framework Foundation"
3207 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
3208 caca_outdev_deps="libcaca"
3209 decklink_deps_any="libdl LoadLibrary"
3210 decklink_indev_deps="decklink threads"
3211 decklink_indev_extralibs="-lstdc++"
3212 decklink_outdev_deps="decklink threads"
3213 decklink_outdev_extralibs="-lstdc++"
3214 libndi_newtek_indev_deps="libndi_newtek"
3215 libndi_newtek_indev_extralibs="-lndi"
3216 libndi_newtek_outdev_deps="libndi_newtek"
3217 libndi_newtek_outdev_extralibs="-lndi"
3218 dshow_indev_deps="IBaseFilter"
3219 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"
3220 fbdev_indev_deps="linux_fb_h"
3221 fbdev_outdev_deps="linux_fb_h"
3222 gdigrab_indev_deps="CreateDIBSection"
3223 gdigrab_indev_extralibs="-lgdi32"
3224 gdigrab_indev_select="bmp_decoder"
3225 iec61883_indev_deps="libiec61883"
3226 jack_indev_deps="libjack"
3227 jack_indev_deps_any="sem_timedwait dispatch_dispatch_h"
3228 kmsgrab_indev_deps="libdrm"
3229 lavfi_indev_deps="avfilter"
3230 libcdio_indev_deps="libcdio"
3231 libdc1394_indev_deps="libdc1394"
3232 openal_indev_deps="openal"
3233 opengl_outdev_deps="opengl"
3234 oss_indev_deps_any="sys_soundcard_h"
3235 oss_outdev_deps_any="sys_soundcard_h"
3236 pulse_indev_deps="libpulse"
3237 pulse_outdev_deps="libpulse"
3238 sdl2_outdev_deps="sdl2"
3239 sndio_indev_deps="sndio"
3240 sndio_outdev_deps="sndio"
3241 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
3242 v4l2_indev_suggest="libv4l2"
3243 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
3244 v4l2_outdev_suggest="libv4l2"
3245 vfwcap_indev_deps="vfw32 vfwcap_defines"
3246 xcbgrab_indev_deps="libxcb"
3247 xcbgrab_indev_suggest="libxcb_shm libxcb_shape libxcb_xfixes"
3248 xv_outdev_deps="xlib"
3251 async_protocol_deps="threads"
3252 bluray_protocol_deps="libbluray"
3253 ffrtmpcrypt_protocol_conflict="librtmp_protocol"
3254 ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl mbedtls"
3255 ffrtmpcrypt_protocol_select="tcp_protocol"
3256 ffrtmphttp_protocol_conflict="librtmp_protocol"
3257 ffrtmphttp_protocol_select="http_protocol"
3258 ftp_protocol_select="tcp_protocol"
3259 gopher_protocol_select="network"
3260 http_protocol_select="tcp_protocol"
3261 http_protocol_suggest="zlib"
3262 httpproxy_protocol_select="tcp_protocol"
3263 httpproxy_protocol_suggest="zlib"
3264 https_protocol_select="tls_protocol"
3265 https_protocol_suggest="zlib"
3266 icecast_protocol_select="http_protocol"
3267 librtmp_protocol_deps="librtmp"
3268 librtmpe_protocol_deps="librtmp"
3269 librtmps_protocol_deps="librtmp"
3270 librtmpt_protocol_deps="librtmp"
3271 librtmpte_protocol_deps="librtmp"
3272 libsmbclient_protocol_deps="libsmbclient gplv3"
3273 libssh_protocol_deps="libssh"
3274 libtls_conflict="openssl gnutls mbedtls"
3275 mmsh_protocol_select="http_protocol"
3276 mmst_protocol_select="network"
3277 libsrt_protocol_deps="libsrt"
3278 libsrt_protocol_select="network"
3279 rtmp_protocol_conflict="librtmp_protocol"
3280 rtmp_protocol_select="tcp_protocol"
3281 rtmp_protocol_suggest="zlib"
3282 rtmpe_protocol_select="ffrtmpcrypt_protocol"
3283 rtmpe_protocol_suggest="zlib"
3284 rtmps_protocol_conflict="librtmp_protocol"
3285 rtmps_protocol_select="tls_protocol"
3286 rtmps_protocol_suggest="zlib"
3287 rtmpt_protocol_select="ffrtmphttp_protocol"
3288 rtmpt_protocol_suggest="zlib"
3289 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
3290 rtmpte_protocol_suggest="zlib"
3291 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
3292 rtmpts_protocol_suggest="zlib"
3293 rtp_protocol_select="udp_protocol"
3294 schannel_conflict="openssl gnutls libtls mbedtls"
3295 sctp_protocol_deps="struct_sctp_event_subscribe struct_msghdr_msg_flags"
3296 sctp_protocol_select="network"
3297 securetransport_conflict="openssl gnutls libtls mbedtls"
3298 srtp_protocol_select="rtp_protocol srtp"
3299 tcp_protocol_select="network"
3300 tls_protocol_deps_any="gnutls openssl schannel securetransport libtls mbedtls"
3301 tls_protocol_select="tcp_protocol"
3302 udp_protocol_select="network"
3303 udplite_protocol_select="network"
3304 unix_protocol_deps="sys_un_h"
3305 unix_protocol_select="network"
3308 afftfilt_filter_deps="avcodec"
3309 afftfilt_filter_select="fft"
3310 afir_filter_deps="avcodec"
3311 afir_filter_select="fft"
3312 amovie_filter_deps="avcodec avformat"
3313 aresample_filter_deps="swresample"
3314 ass_filter_deps="libass"
3315 atempo_filter_deps="avcodec"
3316 atempo_filter_select="rdft"
3317 avgblur_opencl_filter_deps="opencl"
3318 azmq_filter_deps="libzmq"
3319 blackframe_filter_deps="gpl"
3320 boxblur_filter_deps="gpl"
3321 boxblur_opencl_filter_deps="opencl gpl"
3322 bs2b_filter_deps="libbs2b"
3323 colormatrix_filter_deps="gpl"
3324 convolution_opencl_filter_deps="opencl"
3325 convolve_filter_deps="avcodec"
3326 convolve_filter_select="fft"
3327 coreimage_filter_deps="coreimage appkit"
3328 coreimage_filter_extralibs="-framework OpenGL"
3329 coreimagesrc_filter_deps="coreimage appkit"
3330 coreimagesrc_filter_extralibs="-framework OpenGL"
3331 cover_rect_filter_deps="avcodec avformat gpl"
3332 cropdetect_filter_deps="gpl"
3333 deconvolve_filter_deps="avcodec"
3334 deconvolve_filter_select="fft"
3335 deinterlace_qsv_filter_deps="libmfx"
3336 deinterlace_vaapi_filter_deps="vaapi"
3337 delogo_filter_deps="gpl"
3338 denoise_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
3339 deshake_filter_select="pixelutils"
3340 drawtext_filter_deps="libfreetype"
3341 drawtext_filter_suggest="libfontconfig libfribidi"
3342 elbg_filter_deps="avcodec"
3343 eq_filter_deps="gpl"
3344 fftfilt_filter_deps="avcodec"
3345 fftfilt_filter_select="rdft"
3346 fftdnoiz_filter_deps="avcodec"
3347 fftdnoiz_filter_select="fft"
3348 find_rect_filter_deps="avcodec avformat gpl"
3349 firequalizer_filter_deps="avcodec"
3350 firequalizer_filter_select="rdft"
3351 flite_filter_deps="libflite"
3352 framerate_filter_select="pixelutils"
3353 frei0r_filter_deps="frei0r libdl"
3354 frei0r_src_filter_deps="frei0r libdl"
3355 fspp_filter_deps="gpl"
3356 geq_filter_deps="gpl"
3357 histeq_filter_deps="gpl"
3358 hqdn3d_filter_deps="gpl"
3359 interlace_filter_deps="gpl"
3360 kerndeint_filter_deps="gpl"
3361 ladspa_filter_deps="ladspa libdl"
3362 lensfun_filter_deps="liblensfun version3"
3363 lv2_filter_deps="lv2"
3364 mcdeint_filter_deps="avcodec gpl"
3365 movie_filter_deps="avcodec avformat"
3366 mpdecimate_filter_deps="gpl"
3367 mpdecimate_filter_select="pixelutils"
3368 mptestsrc_filter_deps="gpl"
3369 negate_filter_deps="lut_filter"
3370 nnedi_filter_deps="gpl"
3371 ocr_filter_deps="libtesseract"
3372 ocv_filter_deps="libopencv"
3373 openclsrc_filter_deps="opencl"
3374 overlay_opencl_filter_deps="opencl"
3375 overlay_qsv_filter_deps="libmfx"
3376 overlay_qsv_filter_select="qsvvpp"
3377 owdenoise_filter_deps="gpl"
3378 pan_filter_deps="swresample"
3379 perspective_filter_deps="gpl"
3380 phase_filter_deps="gpl"
3381 pp7_filter_deps="gpl"
3382 pp_filter_deps="gpl postproc"
3383 prewitt_opencl_filter_deps="opencl"
3384 procamp_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
3385 program_opencl_filter_deps="opencl"
3386 pullup_filter_deps="gpl"
3387 removelogo_filter_deps="avcodec avformat swscale"
3388 repeatfields_filter_deps="gpl"
3389 resample_filter_deps="avresample"
3390 roberts_opencl_filter_deps="opencl"
3391 rubberband_filter_deps="librubberband"
3392 sab_filter_deps="gpl swscale"
3393 scale2ref_filter_deps="swscale"
3394 scale_filter_deps="swscale"
3395 scale_qsv_filter_deps="libmfx"
3396 select_filter_select="pixelutils"
3397 sharpness_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
3398 showcqt_filter_deps="avcodec avformat swscale"
3399 showcqt_filter_suggest="libfontconfig libfreetype"
3400 showcqt_filter_select="fft"
3401 showfreqs_filter_deps="avcodec"
3402 showfreqs_filter_select="fft"
3403 showspectrum_filter_deps="avcodec"
3404 showspectrum_filter_select="fft"
3405 showspectrumpic_filter_deps="avcodec"
3406 showspectrumpic_filter_select="fft"
3407 signature_filter_deps="gpl avcodec avformat"
3408 smartblur_filter_deps="gpl swscale"
3409 sobel_opencl_filter_deps="opencl"
3410 sofalizer_filter_deps="libmysofa avcodec"
3411 sofalizer_filter_select="fft"
3412 spectrumsynth_filter_deps="avcodec"
3413 spectrumsynth_filter_select="fft"
3414 spp_filter_deps="gpl avcodec"
3415 spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"
3416 sr_filter_deps="avformat swscale"
3417 sr_filter_select="dnn"
3418 stereo3d_filter_deps="gpl"
3419 subtitles_filter_deps="avformat avcodec libass"
3420 super2xsai_filter_deps="gpl"
3421 pixfmts_super2xsai_test_deps="super2xsai_filter"
3422 tinterlace_filter_deps="gpl"
3423 tinterlace_merge_test_deps="tinterlace_filter"
3424 tinterlace_pad_test_deps="tinterlace_filter"
3425 tonemap_filter_deps="const_nan"
3426 tonemap_opencl_filter_deps="opencl const_nan"
3427 unsharp_opencl_filter_deps="opencl"
3428 uspp_filter_deps="gpl avcodec"
3429 vaguedenoiser_filter_deps="gpl"
3430 vidstabdetect_filter_deps="libvidstab"
3431 vidstabtransform_filter_deps="libvidstab"
3432 libvmaf_filter_deps="libvmaf pthreads"
3433 zmq_filter_deps="libzmq"
3434 zoompan_filter_deps="swscale"
3435 zscale_filter_deps="libzimg const_nan"
3436 scale_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
3437 vpp_qsv_filter_deps="libmfx"
3438 vpp_qsv_filter_select="qsvvpp"
3441 avio_dir_cmd_deps="avformat avutil"
3442 avio_reading_deps="avformat avcodec avutil"
3443 decode_audio_example_deps="avcodec avutil"
3444 decode_video_example_deps="avcodec avutil"
3445 demuxing_decoding_example_deps="avcodec avformat avutil"
3446 encode_audio_example_deps="avcodec avutil"
3447 encode_video_example_deps="avcodec avutil"
3448 extract_mvs_example_deps="avcodec avformat avutil"
3449 filter_audio_example_deps="avfilter avutil"
3450 filtering_audio_example_deps="avfilter avcodec avformat avutil"
3451 filtering_video_example_deps="avfilter avcodec avformat avutil"
3452 http_multiclient_example_deps="avformat avutil fork"
3453 hw_decode_example_deps="avcodec avformat avutil"
3454 metadata_example_deps="avformat avutil"
3455 muxing_example_deps="avcodec avformat avutil swscale"
3456 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder"
3457 remuxing_example_deps="avcodec avformat avutil"
3458 resampling_audio_example_deps="avutil swresample"
3459 scaling_video_example_deps="avutil swscale"
3460 transcode_aac_example_deps="avcodec avformat swresample"
3461 transcoding_example_deps="avfilter avcodec avformat avutil"
3462 vaapi_encode_example_deps="avcodec avutil h264_vaapi_encoder"
3463 vaapi_transcode_example_deps="avcodec avformat avutil h264_vaapi_encoder"
3466 cpu_init_extralibs="pthreads_extralibs"
3467 cws2fws_extralibs="zlib_extralibs"
3469 # libraries, in linking order
3470 avcodec_deps="avutil"
3471 avcodec_suggest="libm"
3472 avcodec_select="null_bsf"
3473 avdevice_deps="avformat avcodec avutil"
3474 avdevice_suggest="libm"
3475 avfilter_deps="avutil"
3476 avfilter_suggest="libm"
3477 avformat_deps="avcodec avutil"
3478 avformat_suggest="libm network zlib"
3479 avresample_deps="avutil"
3480 avresample_suggest="libm"
3481 avutil_suggest="clock_gettime ffnvcodec libm libdrm libmfx opencl user32 vaapi videotoolbox corefoundation corevideo coremedia bcrypt"
3482 postproc_deps="avutil gpl"
3483 postproc_suggest="libm"
3484 swresample_deps="avutil"
3485 swresample_suggest="libm libsoxr"
3486 swscale_deps="avutil"
3487 swscale_suggest="libm"
3489 avcodec_extralibs="pthreads_extralibs iconv_extralibs"
3490 avfilter_extralibs="pthreads_extralibs"
3491 avutil_extralibs="d3d11va_extralibs nanosleep_extralibs pthreads_extralibs vaapi_drm_extralibs vaapi_x11_extralibs vdpau_x11_extralibs"
3494 ffmpeg_deps="avcodec avfilter avformat"
3495 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
3498 ffmpeg_suggest="ole32 psapi shell32"
3499 ffplay_deps="avcodec avformat swscale swresample sdl2"
3500 ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"
3501 ffplay_suggest="shell32"
3502 ffprobe_deps="avcodec avformat"
3503 ffprobe_suggest="shell32"
3506 podpages_deps="perl"
3507 manpages_deps="perl pod2man"
3508 htmlpages_deps="perl"
3509 htmlpages_deps_any="makeinfo_html texi2html"
3510 txtpages_deps="perl makeinfo"
3511 doc_deps_any="manpages htmlpages podpages txtpages"
3513 # default parameters
3515 logfile="ffbuild/config.log"
3517 # installation paths
3518 prefix_default="/usr/local"
3519 bindir_default='${prefix}/bin'
3520 datadir_default='${prefix}/share/ffmpeg'
3521 docdir_default='${prefix}/share/doc/ffmpeg'
3522 incdir_default='${prefix}/include'
3523 libdir_default='${prefix}/lib'
3524 mandir_default='${prefix}/share/man'
3530 host_cc_default="gcc"
3531 doxygen_default="doxygen"
3533 ln_s_default="ln -s -f"
3535 pkg_config_default=pkg-config
3536 ranlib_default="ranlib"
3537 strip_default="strip"
3538 version_script='--version-script'
3540 x86asmexe_default="nasm"
3541 windres_default="windres"
3543 nvccflags_default="-gencode arch=compute_30,code=sm_30 -O2"
3547 target_os_default=$(tolower $(uname -s))
3548 host_os=$target_os_default
3551 if test "$target_os_default" = aix; then
3552 arch_default=$(uname -p)
3553 strip_default="strip -X32_64"
3555 arch_default=$(uname -m)
3560 # configurable options
3561 enable $PROGRAM_LIST
3562 enable $DOCUMENT_LIST
3563 enable $EXAMPLE_LIST
3564 enable $(filter_out avresample $LIBRARY_LIST)
3570 enable faan faandct faanidct
3571 enable optimizations
3572 enable runtime_cpudetect
3573 enable safe_bitstream_reader
3575 enable swscale_alpha
3576 enable valgrind_backtrace
3578 sws_max_filter_size_default=256
3579 set_default sws_max_filter_size
3581 # internal components are enabled by default
3582 enable $EXTRALIBS_LIST
3584 # Avoid external, non-system, libraries getting enabled by dependency resolution
3585 disable $EXTERNAL_LIBRARY_LIST $HWACCEL_LIBRARY_LIST
3588 SHFLAGS='-shared -Wl,-soname,$$(@F)'
3591 FULLNAME='$(NAME)$(BUILDSUF)'
3592 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
3595 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
3596 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
3597 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
3598 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
3599 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
3600 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
3601 VERSION_SCRIPT_POSTPROCESS_CMD="cat"
3628 host_extralibs='-lm'
3629 host_cflags_filter=echo
3630 host_ldflags_filter=echo
3632 target_path='$(CURDIR)'
3634 # since the object filename is not given with the -MM flag, the compiler
3635 # is only able to print the basename, and we must add the path ourselves
3636 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>/dev/null | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(@F),$(@D)/$(@F)," > $(@:.o=.d)'
3642 if test -f configure; then
3645 source_path=$(cd $(dirname "$0"); pwd)
3646 case "$source_path" in
3647 *[[:blank:]]*) die "Out of tree builds are impossible with whitespace in source path." ;;
3649 test -e "$source_path/config.h" &&
3650 die "Out of tree builds are impossible with config.h in source dir."
3657 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
3660 find_things_extern(){
3663 file=$source_path/$3
3665 sed -n "s/^[^#]*extern.*$pattern *ff_\([^ ]*\)_$thing;/\1_$out/p" "$file"
3668 find_filters_extern(){
3669 file=$source_path/$1
3670 #sed -n "s/^extern AVFilter ff_\([avfsinkrc]\{2,5\}\)_\(\w\+\);/\2_filter/p" $file
3671 sed -E -n "s/^extern AVFilter ff_([avfsinkrc]{2,5})_([a-zA-Z0-9_]+);/\2_filter/p" $file
3674 FILTER_LIST=$(find_filters_extern libavfilter/allfilters.c)
3675 OUTDEV_LIST=$(find_things_extern muxer AVOutputFormat libavdevice/alldevices.c outdev)
3676 INDEV_LIST=$(find_things_extern demuxer AVInputFormat libavdevice/alldevices.c indev)
3677 MUXER_LIST=$(find_things_extern muxer AVOutputFormat libavformat/allformats.c)
3678 DEMUXER_LIST=$(find_things_extern demuxer AVInputFormat libavformat/allformats.c)
3679 ENCODER_LIST=$(find_things_extern encoder AVCodec libavcodec/allcodecs.c)
3680 DECODER_LIST=$(find_things_extern decoder AVCodec libavcodec/allcodecs.c)
3685 PARSER_LIST=$(find_things_extern parser AVCodecParser libavcodec/parsers.c)
3686 BSF_LIST=$(find_things_extern bsf AVBitStreamFilter libavcodec/bitstream_filters.c)
3687 HWACCEL_LIST=$(find_things_extern hwaccel AVHWAccel libavcodec/hwaccels.h)
3688 PROTOCOL_LIST=$(find_things_extern protocol URLProtocol libavformat/protocols.c)
3690 AVCODEC_COMPONENTS_LIST="
3698 AVDEVICE_COMPONENTS_LIST="
3703 AVFILTER_COMPONENTS_LIST="
3707 AVFORMAT_COMPONENTS_LIST="
3714 $AVCODEC_COMPONENTS_LIST
3715 $AVDEVICE_COMPONENTS_LIST
3716 $AVFILTER_COMPONENTS_LIST
3717 $AVFORMAT_COMPONENTS_LIST
3720 for n in $COMPONENT_LIST; do
3721 v=$(toupper ${n%s})_LIST
3723 eval ${n}_if_any="\$$v"
3726 enable $ARCH_EXT_LIST
3729 echo "Unknown option \"$1\"."
3730 echo "See $0 --help for available options."
3734 print_in_columns() {
3735 cols=$(expr $ncols / 24)
3736 cat | tr ' ' '\n' | sort | pr -r "-$cols" -w $ncols -t
3742 echo $* | sed s/$suffix//g | print_in_columns
3754 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
3755 echo "prob ${prob:-0.5}"
3763 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
3764 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
3773 --extra-ldexeflags=*)
3774 add_ldexeflags $optval
3776 --extra-ldsoflags=*)
3777 add_ldsoflags $optval
3779 --extra-ldlibflags=*)
3780 warn "The --extra-ldlibflags option is only provided for compatibility and will be\n"\
3781 "removed in the future. Use --extra-ldsoflags instead."
3782 add_ldsoflags $optval
3785 add_extralibs $optval
3788 disable $INDEV_LIST $OUTDEV_LIST
3791 debuglevel="$optval"
3794 disable $PROGRAM_LIST
3796 --disable-everything)
3797 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3800 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3801 disable $LIBRARY_LIST $PROGRAM_LIST doc
3804 --enable-random|--disable-random)
3805 action=${opt%%-random}
3806 do_random ${action#--} $COMPONENT_LIST
3808 --enable-random=*|--disable-random=*)
3809 action=${opt%%-random=*}
3810 do_random ${action#--} $optval
3815 --enable-*=*|--disable-*=*)
3816 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
3817 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
3818 eval list=\$$(toupper $thing)_LIST
3819 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
3820 list=$(filter "$name" $list)
3821 [ "$list" = "" ] && warn "Option $opt did not match anything"
3824 --enable-yasm|--disable-yasm)
3825 warn "The ${opt} option is only provided for compatibility and will be\n"\
3826 "removed in the future. Use --enable-x86asm / --disable-x86asm instead."
3827 test $opt = --enable-yasm && x86asm=yes || x86asm=no
3830 warn "The --yasmexe option is only provided for compatibility and will be\n"\
3831 "removed in the future. Use --x86asmexe instead."
3834 --enable-?*|--disable-?*)
3835 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
3836 if is_in $option $COMPONENT_LIST; then
3837 test $action = disable && action=unset
3838 eval $action \$$(toupper ${option%s})_LIST
3839 elif is_in $option $CMDLINE_SELECT; then
3846 NAME="${opt#--list-}"
3847 is_in $NAME $COMPONENT_LIST || die_unknown $opt
3849 eval show_list $NAME \$$(toupper $NAME)_LIST
3851 --help|-h) show_help
3853 --quiet|-q) quiet=yes
3855 --fatal-warnings) enable fatal_warnings
3858 libfuzzer_path="$optval"
3861 optname="${opt%%=*}"
3862 optname="${optname#--}"
3863 optname=$(echo "$optname" | sed 's/-/_/g')
3864 if is_in $optname $CMDLINE_SET; then
3865 eval $optname='$optval'
3866 elif is_in $optname $CMDLINE_APPEND; then
3867 append $optname "$optval"
3879 if disabled autodetect; then
3881 # Unless iconv is explicitely disabled by the user, we still want to probe
3882 # for the iconv from the libc.
3883 disabled iconv || enable libc_iconv
3885 disable_weak $EXTERNAL_AUTODETECT_LIBRARY_LIST
3886 disable_weak $HWACCEL_AUTODETECT_LIBRARY_LIST
3888 # Mark specifically enabled, but normally autodetected libraries as requested.
3889 for lib in $AUTODETECT_LIBS; do
3890 enabled $lib && request $lib
3892 #TODO: switch to $AUTODETECT_LIBS when $THREADS_LIST is supported the same way
3893 enable_weak $EXTERNAL_AUTODETECT_LIBRARY_LIST
3894 enable_weak $HWACCEL_AUTODETECT_LIBRARY_LIST
3896 disabled logging && logfile=/dev/null
3898 # command line configuration sanity checks
3900 # we need to build at least one lib type
3901 if ! enabled_any static shared; then
3903 At least one library type must be built.
3904 Specify --enable-static to build the static libraries or --enable-shared to
3905 build the shared libraries as well. To only build the shared libraries specify
3906 --disable-static in addition to --enable-shared.
3911 die_license_disabled() {
3912 enabled $1 || { enabled $v && die "$v is $1 and --enable-$1 is not specified."; }
3915 die_license_disabled_gpl() {
3916 enabled $1 || { enabled $v && die "$v is incompatible with the gpl and --enable-$1 is not specified."; }
3919 map "die_license_disabled gpl" $EXTERNAL_LIBRARY_GPL_LIST $EXTERNAL_LIBRARY_GPLV3_LIST
3920 map "die_license_disabled version3" $EXTERNAL_LIBRARY_VERSION3_LIST $EXTERNAL_LIBRARY_GPLV3_LIST
3922 enabled gpl && map "die_license_disabled_gpl nonfree" $EXTERNAL_LIBRARY_NONFREE_LIST
3923 map "die_license_disabled nonfree" $HWACCEL_LIBRARY_NONFREE_LIST
3925 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3927 if enabled nonfree; then
3928 license="nonfree and unredistributable"
3929 elif enabled gplv3; then
3930 license="GPL version 3 or later"
3931 elif enabled lgplv3; then
3932 license="LGPL version 3 or later"
3933 elif enabled gpl; then
3934 license="GPL version 2 or later"
3936 license="LGPL version 2.1 or later"
3939 enabled_all gnutls openssl &&
3940 die "GnuTLS and OpenSSL must not be enabled at the same time."
3942 enabled_all gnutls mbedtls &&
3943 die "GnuTLS and mbedTLS must not be enabled at the same time."
3945 enabled_all openssl mbedtls &&
3946 die "OpenSSL and mbedTLS must not be enabled at the same time."
3948 # Disable all the library-specific components if the library itself
3949 # is disabled, see AVCODEC_LIST and following _LIST variables.
3951 disable_components(){
3952 disabled ${1} && disable $(
3953 eval components="\$$(toupper ${1})_COMPONENTS"
3954 map 'eval echo \${$(toupper ${v%s})_LIST}' $components
3958 map 'disable_components $v' $LIBRARY_LIST
3960 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
3963 test -n "$valgrind" && toolchain="valgrind-memcheck"
3965 enabled ossfuzz && ! echo $CFLAGS | grep -q -- "-fsanitize=" &&{
3966 add_cflags -fsanitize=address,undefined -fsanitize-coverage=trace-pc-guard,trace-cmp -fno-omit-frame-pointer
3967 add_ldflags -fsanitize=address,undefined -fsanitize-coverage=trace-pc-guard,trace-cmp
3970 case "$toolchain" in
3972 cc_default="${toolchain%-asan}"
3973 add_cflags -fsanitize=address
3974 add_ldflags -fsanitize=address
3977 cc_default="${toolchain%-msan}"
3978 add_cflags -fsanitize=memory -fsanitize-memory-track-origins
3979 add_ldflags -fsanitize=memory
3982 cc_default="${toolchain%-tsan}"
3983 add_cflags -fsanitize=thread
3984 add_ldflags -fsanitize=thread
3985 case "$toolchain" in
3993 cc_default="${toolchain%-usan}"
3994 add_cflags -fsanitize=undefined
3995 add_ldflags -fsanitize=undefined
3998 target_exec_default="valgrind"
3999 case "$toolchain" in
4001 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"
4004 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
4009 # Check whether the current MSVC version needs the C99 converter.
4010 # From MSVC 2013 (compiler major version 18) onwards, it does actually
4011 # support enough of C99 to build ffmpeg. Default to the new
4012 # behaviour if the regexp was unable to match anything, since this
4013 # successfully parses the version number of existing supported
4014 # versions that require the converter (MSVC 2010 and 2012).
4015 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
4016 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
4020 die "Unsupported MSVC version (2013 or newer required)"
4022 ld_default="$source_path/compat/windows/mslink"
4023 nm_default="dumpbin -symbols"
4027 as_default="armasm64"
4033 target_os_default="win32"
4034 # Use a relative path for TMPDIR. This makes sure all the
4035 # ffconf temp files are written with a relative path, avoiding
4036 # issues with msys/win32 path conversion for MSVC parameters
4037 # such as -Fo<file> or -out:<file>.
4043 nm_default="dumpbin -symbols"
4045 target_os_default="win32"
4049 add_cflags -fprofile-arcs -ftest-coverage
4050 add_ldflags -fprofile-arcs -ftest-coverage
4053 add_cflags -fprofile-arcs -ftest-coverage
4054 add_ldflags --coverage
4057 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
4058 add_cflags -fno-strict-overflow -fstack-protector-all
4059 add_ldflags -Wl,-z,relro -Wl,-z,now
4061 add_ldexeflags -fPIE -pie
4064 die "Unknown toolchain $toolchain"
4068 if test -n "$cross_prefix"; then
4069 test -n "$arch" && test -n "$target_os" ||
4070 die "Must specify target arch (--arch) and OS (--target-os) when cross-compiling"
4071 enable cross_compile
4074 ar_default="${cross_prefix}${ar_default}"
4075 cc_default="${cross_prefix}${cc_default}"
4076 cxx_default="${cross_prefix}${cxx_default}"
4077 nm_default="${cross_prefix}${nm_default}"
4078 pkg_config_default="${cross_prefix}${pkg_config_default}"
4079 if ${cross_prefix}${ranlib_default} 2>&1 | grep -q "\-D "; then
4080 ranlib_default="${cross_prefix}${ranlib_default} -D"
4082 ranlib_default="${cross_prefix}${ranlib_default}"
4084 strip_default="${cross_prefix}${strip_default}"
4085 windres_default="${cross_prefix}${windres_default}"
4087 sysinclude_default="${sysroot}/usr/include"
4089 set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \
4090 target_exec target_os x86asmexe nvcc
4091 enabled cross_compile || host_cc_default=$cc
4094 pkg_config_fail_message=""
4095 if ! $pkg_config --version >/dev/null 2>&1; then
4096 warn "$pkg_config not found, library detection may fail."
4098 elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then
4099 pkg_config_fail_message="
4100 Note: When building a static binary, add --pkg-config-flags=\"--static\"."
4103 if test $doxygen != $doxygen_default && \
4104 ! $doxygen --version >/dev/null 2>&1; then
4105 warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."
4110 mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
4114 EXESUF=$(exesuf $target_os)
4115 HOSTEXESUF=$(exesuf $host_os)
4117 # set temporary file name
4118 : ${TMPDIR:=$TEMPDIR}
4122 if [ -n "$tempprefix" ] ; then
4124 tmpname="$tempprefix.${HOSTNAME}.${UID}"
4128 elif ! test_cmd mktemp -u XXXXXX; then
4129 # simple replacement for missing mktemp
4130 # NOT SAFE FOR GENERAL USE
4132 tmpname="${2%%XXX*}.${HOSTNAME}.${UID}.$$"
4138 FFTMPDIR=$(mktemp -d "${TMPDIR}/ffconf.XXXXXXXX" 2> /dev/null) ||
4139 die "Unable to create temporary directory in $TMPDIR."
4142 tmp="${FFTMPDIR}/test"$2
4143 (set -C; exec > $tmp) 2> /dev/null ||
4144 die "Unable to create temporary file in $FFTMPDIR."
4148 trap 'rm -rf -- "$FFTMPDIR"' EXIT
4154 tmpfile TMPE $EXESUF
4166 # make sure we can execute files in $TMPDIR
4167 cat > $TMPSH 2>> $logfile <<EOF
4170 chmod +x $TMPSH >> $logfile 2>&1
4171 if ! $TMPSH >> $logfile 2>&1; then
4173 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
4174 variable to another directory and make sure that it is not mounted noexec.
4176 die "Sanity test failed."
4182 # Filter out MSVC cl.exe options from cflags that shouldn't
4183 # be passed to gas-preprocessor
4193 -Wno-switch) echo -Wno-switch-enum ;;
4194 -Wno-format-zero-length) ;;
4195 -Wdisabled-optimization) ;;
4196 -Wno-pointer-sign) echo -Wno-other ;;
4202 msvc_common_flags(){
4205 # In addition to specifying certain flags under the compiler
4206 # specific filters, they must be specified here as well or else the
4207 # generic catch all at the bottom will print the original flag.
4212 -fomit-frame-pointer) ;;
4216 -fno-signed-zeros) ;;
4220 -lz) echo zlib.lib ;;
4221 -lx264) echo libx264.lib ;;
4223 -l*) echo ${flag#-l}.lib ;;
4224 -LARGEADDRESSAWARE) echo $flag ;;
4225 -L*) echo -libpath:${flag#-L} ;;
4232 msvc_common_flags "$@"
4235 -Wall) echo -W3 -wd4018 -wd4146 -wd4244 -wd4305 \
4237 -Wextra) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
4238 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
4239 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
4241 -wd4273 -wd4554 -wd4701 -wd4703 ;;
4247 msvc_common_flags "$@"
4250 # Despite what Intel's documentation says -Wall, which is supported
4251 # on Windows, does enable remarks so disable them here.
4252 -Wall) echo $flag -Qdiag-disable:remark ;;
4253 -std=c99) echo -Qstd=c99 ;;
4272 case "${flag#*=}" in
4273 native) echo -xtarget=native ;;
4274 v9|niagara) echo -xarch=sparc ;;
4275 ultrasparc) echo -xarch=sparcvis ;;
4276 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
4277 i586|pentium) echo -xchip=pentium ;;
4278 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
4279 pentium3*|c3-2) echo -xtarget=pentium3 ;;
4280 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
4281 pentium4*) echo -xtarget=pentium4 ;;
4282 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
4283 *-sse3) echo -xarch=sse3 ;;
4284 core2) echo -xarch=ssse3 -xchip=core2 ;;
4285 bonnell) echo -xarch=ssse3 ;;
4286 corei7|nehalem) echo -xtarget=nehalem ;;
4287 westmere) echo -xtarget=westmere ;;
4288 silvermont) echo -xarch=sse4_2 ;;
4289 corei7-avx|sandybridge) echo -xtarget=sandybridge ;;
4290 core-avx*|ivybridge|haswell|broadwell|skylake*|knl)
4292 amdfam10|barcelona) echo -xtarget=barcelona ;;
4293 btver1) echo -xarch=amdsse4a ;;
4294 btver2|bdver*|znver*) echo -xarch=avx ;;
4295 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
4296 k8|opteron|athlon64|athlon-fx)
4297 echo -xarch=sse2a ;;
4298 athlon*) echo -xarch=pentium_proa ;;
4301 -std=c99) echo -xc99 ;;
4302 -fomit-frame-pointer) echo -xregs=frameptr ;;
4303 -fPIC) echo -KPIC -xcode=pic32 ;;
4304 -W*,*) echo $flag ;;
4305 -f*-*|-W*|-mimpure-text) ;;
4317 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
4318 unset _ld_o _ldflags _ld_lib _ld_path
4319 unset _depflags _DEPCMD _DEPFLAGS
4322 if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
4323 true # no-op to avoid reading stdin in following checks
4324 elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
4326 gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')
4327 _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"
4328 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4331 elif $_cc -v 2>&1 | grep -qi ^gcc; then
4333 gcc_version=$($_cc --version | head -n1)
4334 gcc_basever=$($_cc -dumpversion)
4335 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
4336 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
4337 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
4338 case $gcc_basever in
4341 *) _depflags='-MMD -MF $(@:.o=.d) -MT $@' ;;
4343 if [ "$first" = true ]; then
4344 case $gcc_basever in
4346 warn "gcc 4.2 is outdated and may miscompile FFmpeg. Please use a newer compiler." ;;
4351 elif $_cc --version 2>/dev/null | grep -q ^icc; then
4353 _ident=$($_cc --version | head -n1)
4358 _flags_filter=icc_flags
4359 elif $_cc -v 2>&1 | grep -q xlc; then
4361 _ident=$($_cc -qversion 2>/dev/null | head -n1)
4363 _cflags_size='-O5 -qcompact'
4364 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
4365 test -d "$sysroot" || die "No valid sysroot specified."
4367 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
4368 armcc_conf="$PWD/armcc.conf"
4369 $_cc --arm_linux_configure \
4370 --arm_linux_config_file="$armcc_conf" \
4371 --configure_sysroot="$sysroot" \
4372 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
4373 die "Error creating armcc configuration file."
4374 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
4375 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
4376 as_default="${cross_prefix}gcc"
4380 elif $_cc -v 2>&1 | grep -q clang && ! $_cc -? > /dev/null 2>&1; then
4382 _ident=$($_cc --version 2>/dev/null | head -n1)
4383 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4386 elif $_cc -V 2>&1 | grep -q Sun; then
4388 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
4389 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
4390 _DEPFLAGS='-xM1 -xc99'
4393 _cflags_size='-O5 -xspace'
4394 _flags_filter=suncc_flags
4395 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
4397 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
4398 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4401 _flags_filter='filter_out -Wdisabled-optimization'
4402 elif $_cc -v 2>&1 | grep -q Open64; then
4404 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
4405 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4408 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
4409 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
4411 _ident=$($_cc | head -n1)
4412 # 4509: "This form of conditional instruction is deprecated"
4413 _flags="-nologo -ignore 4509"
4414 _flags_filter=armasm_flags
4415 elif $_cc 2>&1 | grep -q Intel; then
4417 _ident=$($_cc 2>&1 | head -n1)
4418 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
4419 # Not only is O3 broken on 13.x+ but it is slower on all previous
4420 # versions (tested) as well.
4422 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
4423 if $_cc 2>&1 | grep -q Linker; then
4430 _flags_filter=icl_flags
4432 _ld_path='-libpath:'
4433 # -Qdiag-error to make icl error when seeing certain unknown arguments
4434 _flags='-nologo -Qdiag-error:4044,10157'
4435 # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency
4436 # with MSVC which enables it by default.
4437 _cflags='-Qms0 -Qvec- -Qsimd- -GS -fp:precise'
4439 elif $_cc -? 2>/dev/null | grep -q 'LLVM.*Linker'; then
4440 # lld can emulate multiple different linkers; in ms link.exe mode,
4441 # the -? parameter gives the help output which contains an identifyable
4442 # string, while it gives an error in other modes.
4444 # The link.exe mode doesn't have a switch for getting the version,
4445 # but we can force it back to gnu mode and get the version from there.
4446 _ident=$($_cc -flavor gnu --version 2>/dev/null)
4448 _flags_filter=msvc_flags
4450 _ld_path='-libpath:'
4451 elif $_cc -nologo- 2>&1 | grep -q Microsoft || { $_cc -v 2>&1 | grep -q clang && $_cc -? > /dev/null 2>&1; }; then
4453 _ident=$($_cc 2>&1 | head -n1 | tr -d '\r')
4454 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
4455 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
4459 if $_cc -nologo- 2>&1 | grep -q Linker; then
4466 _flags_filter=msvc_flags
4468 _ld_path='-libpath:'
4471 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
4473 _ident=$($_cc --version | head -n1)
4477 _flags_filter=cparser_flags
4480 eval ${pfx}_type=\$_type
4481 eval ${pfx}_ident=\$_ident
4485 eval ${1}_C=\${_cc_c-\${${1}_C}}
4486 eval ${1}_E=\${_cc_e-\${${1}_E}}
4487 eval ${1}_O=\${_cc_o-\${${1}_O}}
4489 if [ -n "$_depflags" ]; then
4490 eval ${1}_DEPFLAGS=\$_depflags
4492 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
4493 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
4494 eval DEP${1}FLAGS=\$_flags
4498 probe_cc cc "$cc" "true"
4499 cflags_filter=$_flags_filter
4500 cflags_speed=$_cflags_speed
4501 cflags_size=$_cflags_size
4502 cflags_noopt=$_cflags_noopt
4503 add_cflags $_flags $_cflags
4504 cc_ldflags=$_ldflags
4508 probe_cc hostcc "$host_cc"
4509 host_cflags_filter=$_flags_filter
4510 host_cflags_speed=$_cflags_speed
4511 add_host_cflags $_flags $_cflags
4514 test -n "$cc_type" && enable $cc_type ||
4515 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
4517 : ${as_default:=$cc}
4518 : ${objcc_default:=$cc}
4519 : ${dep_cc_default:=$cc}
4520 : ${ld_default:=$cc}
4521 : ${host_ld_default:=$host_cc}
4522 set_default ar as objcc dep_cc ld ln_s host_ld windres
4525 asflags_filter=$_flags_filter
4526 add_asflags $_flags $_cflags
4529 probe_cc objcc "$objcc"
4530 objcflags_filter=$_flags_filter
4531 add_objcflags $_flags $_cflags
4535 ldflags_filter=$_flags_filter
4536 add_ldflags $_flags $_ldflags
4537 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
4539 LD_LIB=${_ld_lib-$LD_LIB}
4540 LD_PATH=${_ld_path-$LD_PATH}
4542 probe_cc hostld "$host_ld"
4543 host_ldflags_filter=$_flags_filter
4544 add_host_ldflags $_flags $_ldflags
4545 HOSTLD_O=${_ld_o-$HOSTLD_O}
4547 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
4548 probe_cc depcc "$dep_cc"
4549 CCDEP=${_DEPCMD:-$DEPCMD}
4550 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
4554 if $ar 2>&1 | grep -q Microsoft; then
4557 elif $ar 2>&1 | grep -q "\[D\] "; then
4565 add_cflags $extra_cflags
4566 add_cxxflags $extra_cxxflags
4567 add_objcflags $extra_objcflags
4568 add_asflags $extra_cflags
4570 if test -n "$sysroot"; then
4573 add_cppflags --sysroot="$sysroot"
4574 add_ldflags --sysroot="$sysroot"
4579 if test "$cpu" = host; then
4580 enabled cross_compile &&
4581 die "--cpu=host makes no sense when cross-compiling."
4586 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
4588 s/.*$1=\\([^ ]*\\).*/\\1/
4593 cpu=$(check_native -march || check_native -mcpu)
4597 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
4598 sed -n "/cc1.*-target-cpu /{
4599 s/.*-target-cpu \\([^ ]*\\).*/\\1/
4604 cpu=$(check_native -march)
4608 test "${cpu:-host}" = host &&
4609 die "--cpu=host not supported with compiler $cc"
4612 # Deal with common $arch aliases
4636 "Power Macintosh"|ppc*|powerpc*)
4651 i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
4656 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
4659 # Add processor-specific flags
4660 if enabled aarch64; then
4664 cpuflags="-march=$cpu"
4667 cpuflags="-mcpu=$cpu"
4671 elif enabled alpha; then
4673 cpuflags="-mcpu=$cpu"
4675 elif enabled arm; then
4678 test_cpp_condition stddef.h \
4679 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
4684 if check_arm_arch 4; then echo armv4
4685 elif check_arm_arch 4T; then echo armv4t
4686 elif check_arm_arch 5; then echo armv5
4687 elif check_arm_arch 5E; then echo armv5e
4688 elif check_arm_arch 5T; then echo armv5t
4689 elif check_arm_arch 5TE; then echo armv5te
4690 elif check_arm_arch 5TEJ; then echo armv5te
4691 elif check_arm_arch 6; then echo armv6
4692 elif check_arm_arch 6J; then echo armv6j
4693 elif check_arm_arch 6K; then echo armv6k
4694 elif check_arm_arch 6Z; then echo armv6z
4695 elif check_arm_arch 6KZ; then echo armv6zk
4696 elif check_arm_arch 6ZK; then echo armv6zk
4697 elif check_arm_arch 6T2; then echo armv6t2
4698 elif check_arm_arch 7; then echo armv7
4699 elif check_arm_arch 7A 7_A; then echo armv7-a
4700 elif check_arm_arch 7S; then echo armv7-a
4701 elif check_arm_arch 7R 7_R; then echo armv7-r
4702 elif check_arm_arch 7M 7_M; then echo armv7-m
4703 elif check_arm_arch 7EM 7E_M; then echo armv7-m
4704 elif check_arm_arch 8A 8_A; then echo armv8-a
4708 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
4712 cpuflags="-march=$cpu"
4713 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
4716 cpuflags="-mcpu=$cpu"
4718 cortex-a*) subarch=armv7a ;;
4719 cortex-r*) subarch=armv7r ;;
4720 cortex-m*) enable thumb; subarch=armv7m ;;
4721 arm11*) subarch=armv6 ;;
4722 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
4723 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
4724 *) subarch=$(probe_arm_arch) ;;
4730 armv5t*) enable fast_clz ;;
4733 disabled fast_unaligned || enable fast_unaligned
4737 elif enabled avr32; then
4742 cpuflags="-mpart=$cpu"
4746 cpuflags="-march=$cpu"
4750 cpuflags="-mcpu=$cpu"
4754 cpuflags="-march=$cpu"
4758 elif enabled bfin; then
4760 cpuflags="-mcpu=$cpu"
4762 elif enabled mips; then
4764 cpuflags="-march=$cpu"
4766 if [ "$cpu" != "generic" ]; then
4776 24kc|24kf*|24kec|34kc|1004kc|24kef*|34kf*|1004kf*|74kc|74kf)
4787 enable local_aligned
4788 enable simd_align_16
4792 enable fast_unaligned
4793 disable aligned_stack
4799 cpuflags="-march=loongson3a -mhard-float -fno-expensive-optimizations"
4802 cpuflags="-march=loongson2e -mhard-float -fno-expensive-optimizations"
4805 cpuflags="-march=loongson2f -mhard-float -fno-expensive-optimizations"
4810 # Unknown CPU. Disable everything.
4811 warn "unknown CPU. Disabling all MIPS optimizations."
4834 24kef*|34kf*|1004kf*)
4842 check_cflags "-mtune=p5600" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops"
4846 check_cflags "-mtune=i6400 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64"
4850 check_cflags "-mtune=p6600 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64"
4854 # We do not disable anything. Is up to the user to disable the unwanted features.
4855 warn 'generic cpu selected'
4858 elif enabled ppc; then
4862 case $(tolower $cpu) in
4863 601|ppc601|powerpc601)
4864 cpuflags="-mcpu=601"
4867 603*|ppc603*|powerpc603*)
4868 cpuflags="-mcpu=603"
4871 604*|ppc604*|powerpc604*)
4872 cpuflags="-mcpu=604"
4875 g3|75*|ppc75*|powerpc75*)
4876 cpuflags="-mcpu=750"
4879 g4|745*|ppc745*|powerpc745*)
4880 cpuflags="-mcpu=7450"
4883 74*|ppc74*|powerpc74*)
4884 cpuflags="-mcpu=7400"
4887 g5|970|ppc970|powerpc970)
4888 cpuflags="-mcpu=970"
4892 cpuflags="-mcpu=$cpu"
4896 cpuflags="-mcpu=$cpu"
4899 cpuflags="-mcpu=cell"
4904 cpuflags="-mcpu=e500mc"
4908 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
4913 cpuflags="-mcpu=8540 -mhard-float"
4919 elif enabled sparc; then
4922 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
4923 cpuflags="-mcpu=$cpu"
4925 ultrasparc*|niagara[234])
4926 cpuflags="-mcpu=$cpu"
4930 elif enabled x86; then
4934 cpuflags="-march=$cpu"
4938 # targets that do NOT support nopl and conditional mov (cmov)
4939 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
4940 cpuflags="-march=$cpu"
4943 # targets that do support nopl and conditional mov (cmov)
4944 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\
4945 |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|skylake*|knl\
4946 |amdfam10|barcelona|b[dt]ver*|znver*)
4947 cpuflags="-march=$cpu"
4951 # targets that do support conditional mov but on which it's slow
4952 pentium4|pentium4m|prescott|nocona)
4953 cpuflags="-march=$cpu"
4961 if [ "$cpu" != generic ]; then
4962 add_cflags $cpuflags
4963 add_asflags $cpuflags
4964 test "$cc_type" = "$ld_type" && add_ldflags $cpuflags
4967 # compiler sanity check
4969 int main(void){ return 0; }
4971 if test "$?" != 0; then
4972 echo "$cc is unable to create an executable file."
4973 if test -z "$cross_prefix" && ! enabled cross_compile ; then
4974 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
4975 echo "Only do this if you know what cross compiling means."
4977 die "C compiler test failed."
4980 add_cppflags -D_ISOC99_SOURCE
4981 add_cxxflags -D__STDC_CONSTANT_MACROS
4982 check_cxxflags -std=c++11 || check_cxxflags -std=c++0x
4984 # some compilers silently accept -std=c11, so we also need to check that the
4985 # version macro is defined properly
4986 test_cflags_cc -std=c11 ctype.h "__STDC_VERSION__ >= 201112L" &&
4987 add_cflags -std=c11 ||
4988 check_cflags -std=c99
4990 check_cppflags -D_FILE_OFFSET_BITS=64
4991 check_cppflags -D_LARGEFILE_SOURCE
4993 add_host_cppflags -D_ISOC99_SOURCE
4994 check_host_cflags -std=c99
4995 check_host_cflags -Wall
4996 check_host_cflags $host_cflags_speed
5001 expr=${3:-'sizeof(void *) > 4'}
5002 test_code cc "" "int test[2*($expr) - 1]" &&
5003 subarch=$arch64 || subarch=$arch32
5009 enabled shared && enable_weak pic
5012 check_64bit mips mips64 '_MIPS_SIM > 1'
5013 enabled shared && enable_weak pic
5016 check_64bit parisc parisc64
5017 enabled shared && enable_weak pic
5020 check_64bit ppc ppc64
5021 enabled shared && enable_weak pic
5024 check_64bit s390 s390x
5025 enabled shared && enable_weak pic
5028 check_64bit sparc sparc64
5029 enabled shared && enable_weak pic
5032 check_64bit x86_32 x86_64
5033 # Treat x32 as x64 for now. Note it also needs pic if shared
5034 test "$subarch" = "x86_32" && test_cpp_condition stddef.h 'defined(__x86_64__)' &&
5035 subarch=x86_64 && enable x86_64 && disable x86_32
5036 if enabled x86_64; then
5037 enabled shared && enable_weak pic
5047 add_cppflags '-I\$(SRC_PATH)/compat/aix'
5048 enabled shared && add_ldflags -Wl,-brtl
5049 arflags='-Xany -r -c'
5054 enable section_data_rel_ro
5056 add_ldexeflags -fPIE -pie
5057 SLIB_INSTALL_NAME='$(SLIBNAME)'
5059 SHFLAGS='-shared -Wl,-soname,$(SLIBNAME)'
5062 prefix_default="/boot/common"
5063 network_extralibs="-lnetwork"
5067 SHFLAGS='-shared -Wl,-h,$$(@F)'
5068 enabled x86 && append SHFLAGS -mimpure-text
5069 network_extralibs="-lsocket -lnsl"
5070 add_cppflags -D__EXTENSIONS__
5071 # When using suncc to build, the Solaris linker will mark
5072 # an executable with each instruction set encountered by
5073 # the Solaris assembler. As our libraries contain their own
5074 # guards for processor-specific code, instead suppress
5075 # generation of the HWCAPS ELF section on Solaris x86 only.
5076 enabled_all suncc x86 &&
5077 echo "hwcap_1 = OVERRIDE;" > mapfile &&
5078 add_ldflags -Wl,-M,mapfile
5079 nm_default='nm -P -g'
5081 VERSION_SCRIPT_POSTPROCESS_CMD='perl $(SRC_PATH)/compat/solaris/make_sunver.pl - $(OBJS)'
5085 oss_indev_extralibs="-lossaudio"
5086 oss_outdev_extralibs="-lossaudio"
5087 enabled gcc || check_ldflags -Wl,-zmuldefs
5093 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
5095 oss_indev_extralibs="-lossaudio"
5096 oss_outdev_extralibs="-lossaudio"
5104 add_extralibs -lpoll -lgnugetopt
5108 enabled ppc && add_asflags -force_cpusubtype_ALL
5109 install_name_dir_default='$(SHLIBDIR)'
5110 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(INSTALL_NAME_DIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
5111 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
5113 add_ldflags -Wl,-dynamic,-search_paths_first
5114 check_cflags -Werror=partial-availability
5116 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
5117 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
5118 enabled x86_64 && objformat="macho64" || objformat="macho32"
5119 enabled_any pic shared x86_64 ||
5120 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
5121 check_header dispatch/dispatch.h &&
5122 add_cppflags '-I\$(SRC_PATH)/compat/dispatch_semaphore'
5123 if test -n "$sysroot"; then
5124 is_in -isysroot $cc $CPPFLAGS $CFLAGS || check_cppflags -isysroot $sysroot
5125 is_in -isysroot $ld $LDFLAGS || check_ldflags -isysroot $sysroot
5127 version_script='-exported_symbols_list'
5128 VERSION_SCRIPT_POSTPROCESS_CMD='tr " " "\n" | sed -n /global:/,/local:/p | grep ";" | tr ";" "\n" | sed -E "s/(.+)/_\1/g" | sed -E "s/(.+[^*])$$$$/\1*/"'
5131 die "Native MSYS builds are discouraged, please use the MINGW environment."
5136 if enabled x86_64; then
5137 LIBTARGET="i386:x86-64"
5138 elif enabled arm; then
5140 elif enabled aarch64; then
5143 if enabled shared; then
5144 # Cannot build both shared and static libs when using dllimport.
5147 enabled shared && ! enabled small && test_cmd $windres --version && enable gnu_windres
5148 enabled x86_32 && check_ldflags -Wl,--large-address-aware
5149 shlibdir_default="$bindir_default"
5152 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
5153 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
5154 if test_cmd lib.exe -list; then
5155 SLIB_EXTRA_CMD=-'lib.exe -nologo -machine:$(LIBTARGET) -def:$$(@:$(SLIBSUF)=.def) -out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
5156 if enabled x86_64; then
5160 SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
5162 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
5164 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
5165 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
5166 SLIB_CREATE_DEF_CMD='EXTERN_PREFIX="$(EXTERN_PREFIX)" AR="$(AR_CMD)" NM="$(NM_CMD)" $(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
5167 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--disable-auto-image-base $$(@:$(SLIBSUF)=.def)'
5168 enabled x86_64 && objformat="win64" || objformat="win32"
5169 dlltool="${cross_prefix}dlltool"
5172 check_ldflags -Wl,--nxcompat,--dynamicbase
5173 # Lets work around some stupidity in binutils.
5174 # ld will strip relocations from executables even though we need them
5175 # for dynamicbase (ASLR). Using -pie does retain the reloc section
5176 # however ld then forgets what the entry point should be (oops) so we
5177 # have to manually (re)set it.
5178 if enabled x86_32; then
5179 disabled debug && add_ldexeflags -Wl,--pic-executable,-e,_mainCRTStartup
5180 elif enabled x86_64; then
5181 disabled debug && add_ldexeflags -Wl,--pic-executable,-e,mainCRTStartup
5182 check_ldflags -Wl,--high-entropy-va # binutils 2.25
5183 # Set image base >4GB for extra entropy with HEASLR
5184 add_ldexeflags -Wl,--image-base,0x140000000
5185 append SHFLAGS -Wl,--image-base,0x180000000
5190 if enabled shared; then
5191 # Link to the import library instead of the normal static library
5194 # Cannot build both shared and static libs with MSVC or icl.
5197 enabled x86_32 && check_ldflags -LARGEADDRESSAWARE
5198 shlibdir_default="$bindir_default"
5201 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
5202 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
5203 SLIB_CREATE_DEF_CMD='EXTERN_PREFIX="$(EXTERN_PREFIX)" $(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
5204 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
5206 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
5207 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
5208 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
5209 enabled x86_64 && objformat="win64" || objformat="win32"
5215 shlibdir_default="$bindir_default"
5218 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
5219 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
5220 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
5222 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
5223 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
5224 enabled x86_64 && objformat="win64" || objformat="win32"
5226 enabled shared && ! enabled small && test_cmd $windres --version && enable gnu_windres
5227 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
5229 *-dos|freedos|opendos)
5230 network_extralibs="-lsocket"
5233 add_cppflags -U__STRICT_ANSI__
5236 enable section_data_rel_ro
5237 enabled_any arm aarch64 && enable_weak linux_perf
5241 ranlib="echo ignoring ranlib"
5247 add_cppflags -D_GNU_SOURCE
5248 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zhigh-mem -Zmap
5249 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
5253 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
5254 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(FULLNAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
5255 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(FULLNAME).def; \
5256 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(FULLNAME).def; \
5257 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(FULLNAME).def; \
5258 echo EXPORTS >> $(SUBDIR)$(FULLNAME).def; \
5259 emxexp $(OBJS) >> $(SUBDIR)$(FULLNAME).def'
5260 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(FULLNAME)_dll.a $(SUBDIR)$(FULLNAME).def; \
5261 emximp -o $(SUBDIR)$(LIBPREF)$(FULLNAME)_dll.lib $(SUBDIR)$(FULLNAME).def;'
5262 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
5264 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(FULLNAME)_dll.a $(LIBPREF)$(FULLNAME)_dll.lib'
5266 enable_weak os2threads
5269 add_cppflags -D_BSD_SOURCE
5274 add_cppflags -D_QNX_SOURCE
5275 network_extralibs="-lsocket"
5280 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
5281 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
5282 add_ldflags -Wl,--target1-abs,--no-undefined \
5283 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
5284 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
5285 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
5286 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
5287 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
5294 die "Unknown OS '$target_os'."
5298 # test if creating links works
5299 link_dest=$(mktemp -u $TMPDIR/dest_XXXXXXXX)
5300 link_name=$(mktemp -u $TMPDIR/name_XXXXXXXX)
5302 $ln_s "$link_dest" "$link_name"
5303 touch "$link_dest/test_file"
5304 if [ "$source_path" != "." ] && ([ ! -d src ] || [ -L src ]) && [ -e "$link_name/test_file" ]; then
5305 # create link to source path
5306 [ -e src ] && rm src
5307 $ln_s "$source_path" src
5310 # creating directory links doesn't work
5311 # fall back to using the full source path
5312 source_link="$source_path"
5318 # determine libc flavour
5323 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
5324 if test_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
5325 eval ${pfx}libc_type=uclibc
5326 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
5327 elif test_${pfx}cpp_condition features.h "defined __GLIBC__"; then
5328 eval ${pfx}libc_type=glibc
5329 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
5330 # MinGW headers can be installed on Cygwin, so check for newlib first.
5331 elif test_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
5332 eval ${pfx}libc_type=newlib
5333 add_${pfx}cppflags -U__STRICT_ANSI__ -D_XOPEN_SOURCE=600
5334 # MinGW64 is backwards compatible with MinGW32, so check for it first.
5335 elif test_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
5336 eval ${pfx}libc_type=mingw64
5337 if test_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then
5338 add_compat msvcrt/snprintf.o
5339 add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
5341 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
5342 eval test \$${pfx_no_}cc_type = "gcc" &&
5343 add_${pfx}cppflags -D__printf__=__gnu_printf__
5344 test_${pfx}cpp_condition windows.h "!defined(_WIN32_WINNT) || _WIN32_WINNT < 0x0600" &&
5345 add_${pfx}cppflags -D_WIN32_WINNT=0x0600
5346 elif test_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" ||
5347 test_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
5348 eval ${pfx}libc_type=mingw32
5349 test_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
5350 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
5351 die "ERROR: MinGW32 runtime version must be >= 3.15."
5352 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
5353 test_${pfx}cpp_condition _mingw.h "__MSVCRT_VERSION__ < 0x0700" &&
5354 add_${pfx}cppflags -D__MSVCRT_VERSION__=0x0700
5355 test_${pfx}cpp_condition windows.h "!defined(_WIN32_WINNT) || _WIN32_WINNT < 0x0600" &&
5356 add_${pfx}cppflags -D_WIN32_WINNT=0x0600
5357 eval test \$${pfx_no_}cc_type = "gcc" &&
5358 add_${pfx}cppflags -D__printf__=__gnu_printf__
5359 elif test_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
5360 eval ${pfx}libc_type=msvcrt
5361 if test_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then
5362 if [ "$pfx" = host_ ]; then
5363 add_host_cppflags -Dsnprintf=_snprintf
5365 add_compat strtod.o strtod=avpriv_strtod
5366 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
5367 _snprintf=avpriv_snprintf \
5368 vsnprintf=avpriv_vsnprintf
5371 add_${pfx}cppflags -D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS
5372 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
5373 # 0x601 by default unless something else is set by the user.
5374 # This can easily lead to us detecting functions only present
5375 # in such new versions and producing binaries requiring windows 7.0.
5376 # Therefore explicitly set the default to Vista unless the user has
5377 # set something else on the command line.
5378 # Don't do this if WINAPI_FAMILY is set and is set to a non-desktop
5379 # family. For these cases, configure is free to use any functions
5380 # found in the SDK headers by default. (Alternatively, we could force
5381 # _WIN32_WINNT to 0x0602 in that case.)
5382 test_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||
5383 { test_${pfx}cpp <<EOF && add_${pfx}cppflags -D_WIN32_WINNT=0x0600; }
5384 #ifdef WINAPI_FAMILY
5385 #include <winapifamily.h>
5386 #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
5391 if [ "$pfx" = "" ]; then
5392 check_func strtoll || add_cflags -Dstrtoll=_strtoi64
5393 check_func strtoull || add_cflags -Dstrtoull=_strtoui64
5395 elif test_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
5396 eval ${pfx}libc_type=klibc
5397 elif test_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then
5398 eval ${pfx}libc_type=bionic
5399 elif test_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then
5400 eval ${pfx}libc_type=solaris
5401 add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
5405 void *v = localtime_r;
5407 test "$?" != 0 && test_${pfx}cc -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 <<EOF && add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
5409 void *v = localtime_r;
5412 eval test -n "\${${pfx}libc_type}" && enable ${pfx}libc_${libc_type}
5418 # hacks for compiler/libc/os combinations
5422 add_compat strtod.o strtod=avpriv_strtod
5426 check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||
5427 add_cppflags '-I\$(SRC_PATH)/compat/float'
5429 test_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
5432 : ${shlibdir_default:="$libdir"}
5433 : ${pkgconfigdir_default:="$libdir/pkgconfig"}
5435 set_default $PATHS_LIST
5438 disabled optimizations || enabled ossfuzz || check_cflags -fomit-frame-pointer
5441 disabled pic && return
5444 case "$target_os" in
5445 mingw*|cygwin*|win*)
5454 enabled pic && enable_weak_pic
5456 test_cc <<EOF || die "Symbol mangling check failed."
5459 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
5460 extern_prefix=${sym%%ff_extern*}
5462 ! disabled inline_asm && check_inline_asm inline_asm '"" ::'
5464 for restrict_keyword in restrict __restrict__ __restrict ""; do
5465 test_code cc "" "char * $restrict_keyword p" && break
5468 check_cc pragma_deprecated "" '_Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"")'
5470 # The global variable ensures the bits appear unchanged in the object file.
5471 test_cc <<EOF || die "endian test failed"
5472 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
5474 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
5476 check_cc const_nan math.h "struct { double d; } static const bar[] = { { NAN } }"
5478 if ! enabled ppc64 || enabled bigendian; then
5483 log "check_gas using '$as' as AS"
5484 # :vararg is used on aarch64, arm and ppc altivec
5486 .macro m n, y:vararg=0
5490 # .altmacro is only used in arm asm
5491 ! enabled arm || check_as gnu_as ".altmacro"
5494 if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then
5496 enabled_any arm aarch64 && nogas=die
5497 enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn
5501 arm*) gaspp_as_type=armasm; as_noop=-h ;;
5502 gcc) gaspp_as_type=gas ;;
5503 *) gaspp_as_type=$as_type ;;
5506 [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"
5508 test "${as#*gas-preprocessor.pl}" != "$as" ||
5509 test_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- ${as:=$cc} $as_noop &&
5510 gas="${gas:=gas-preprocessor.pl} -arch $arch -as-type $gaspp_as_type -- ${as:=$cc}"
5512 if ! check_gas ; then
5515 $nogas "GNU assembler not found, install/update gas-preprocessor"
5518 check_as as_func ".func test
5522 check_inline_asm inline_asm_labels '"1:\n"'
5524 check_inline_asm inline_asm_nonlocal_labels '"Label:\n"'
5526 if enabled aarch64; then
5527 enabled armv8 && check_insn armv8 'prfm pldl1strm, [x0]'
5528 # internal assembler in clang 3.3 does not support this instruction
5529 enabled neon && check_insn neon 'ext v0.8B, v0.8B, v1.8B, #1'
5530 enabled vfp && check_insn vfp 'fmadd d0, d0, d1, d2'
5532 map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM
5534 elif enabled alpha; then
5538 elif enabled arm; then
5540 enabled msvc && check_cpp_condition thumb stddef.h "defined _M_ARMT"
5541 test_cpp_condition stddef.h "defined __thumb__" && test_cc <<EOF && enable_weak thumb
5542 float func(float a, float b){ return a+b; }
5544 enabled thumb && check_cflags -mthumb || check_cflags -marm
5546 if check_cpp_condition vfp_args stddef.h "defined __ARM_PCS_VFP"; then
5548 elif check_cpp_condition vfp_args stddef.h "defined _M_ARM_FP && _M_ARM_FP >= 30"; then
5550 elif ! test_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__" && [ $target_os != darwin ]; then
5551 case "${cross_prefix:-$cc}" in
5552 *hardfloat*) enable vfp_args; fpabi=vfp ;;
5553 *) check_ld "cc" vfp_args <<EOF && fpabi=vfp || fpabi=soft ;;
5554 __asm__ (".eabi_attribute 28, 1");
5555 int main(void) { return 0; }
5558 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
5561 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
5562 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
5563 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
5564 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
5565 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
5566 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
5567 enabled setend && check_insn setend 'setend be'
5569 [ $target_os = linux ] || [ $target_os = android ] ||
5570 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
5573 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
5575 check_as as_arch_directive ".arch armv7-a"
5576 check_as as_dn_directive "ra .dn d0.i16"
5577 check_as as_fpu_directive ".fpu neon"
5579 # llvm's integrated assembler supports .object_arch from llvm 3.5
5580 [ "$objformat" = elf32 ] || [ "$objformat" = elf64 ] &&
5581 check_as as_object_arch ".object_arch armv4"
5583 # MS armasm fails to assemble our PIC constructs
5584 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
5586 elif enabled mips; then
5588 enabled loongson2 && check_inline_asm loongson2 '"dmult.g $8, $9, $10"'
5589 enabled loongson3 && check_inline_asm loongson3 '"gsldxc1 $f0, 0($2, $3)"'
5590 enabled mmi && check_inline_asm mmi '"punpcklhw $f0, $f0, $f0"'
5592 # Enable minimum ISA based on selected options
5593 if enabled mips64; then
5594 enabled mips64r6 && check_inline_asm_flags mips64r6 '"dlsa $0, $0, $0, 1"' '-mips64r6'
5595 enabled mips64r2 && check_inline_asm_flags mips64r2 '"dext $0, $0, 0, 1"' '-mips64r2'
5596 disabled mips64r6 && disabled mips64r2 && check_inline_asm_flags mips64r1 '"daddi $0, $0, 0"' '-mips64'
5598 enabled mips32r6 && check_inline_asm_flags mips32r6 '"aui $0, $0, 0"' '-mips32r6'
5599 enabled mips32r5 && check_inline_asm_flags mips32r5 '"eretnc"' '-mips32r5'
5600 enabled mips32r2 && check_inline_asm_flags mips32r2 '"ext $0, $0, 0, 1"' '-mips32r2'
5601 disabled mips32r6 && disabled mips32r5 && disabled mips32r2 && check_inline_asm_flags mips32r1 '"addi $0, $0, 0"' '-mips32'
5604 enabled mipsfpu && check_inline_asm_flags mipsfpu '"cvt.d.l $f0, $f2"' '-mhard-float'
5605 enabled mipsfpu && (enabled mips32r5 || enabled mips32r6 || enabled mips64r6) && check_inline_asm_flags mipsfpu '"cvt.d.l $f0, $f1"' '-mfp64'
5606 enabled mipsfpu && enabled msa && check_inline_asm_flags msa '"addvi.b $w0, $w1, 1"' '-mmsa' && check_header msa.h || disable msa
5607 enabled mipsdsp && check_inline_asm_flags mipsdsp '"addu.qb $t0, $t1, $t2"' '-mdsp'
5608 enabled mipsdspr2 && check_inline_asm_flags mipsdspr2 '"absq_s.qb $t0, $t1"' '-mdspr2'
5610 if enabled bigendian && enabled msa; then
5614 elif enabled parisc; then
5616 if enabled gcc; then
5617 case $($cc -dumpversion) in
5618 4.[3-9].*) check_cflags -fno-optimize-sibling-calls ;;
5622 elif enabled ppc; then
5624 enable local_aligned
5626 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
5627 check_inline_asm ibm_asm '"add 0, 0, 0"'
5628 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
5629 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
5631 if enabled altivec; then
5632 check_cflags -maltivec -mabi=altivec
5634 # check if our compiler supports Motorola AltiVec C API
5635 check_cc altivec altivec.h "vector signed int v1 = (vector signed int) { 0 };
5636 vector signed int v2 = (vector signed int) { 1 };
5637 v1 = vec_add(v1, v2);"
5639 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
5642 if enabled vsx; then
5643 check_cflags -mvsx &&
5644 check_cc vsx altivec.h "int v[4] = { 0 };
5645 vector signed int v1 = vec_vsx_ld(0, v);"
5648 if enabled power8; then
5649 check_cpp_condition power8 "altivec.h" "defined(_ARCH_PWR8)"
5652 elif enabled x86; then
5654 check_builtin rdtsc intrin.h "__rdtsc()"
5655 check_builtin mm_empty mmintrin.h "_mm_empty()"
5657 enable local_aligned
5659 # check whether EBP is available on x86
5660 # As 'i' is stored on the stack, this program will crash
5661 # if the base pointer is used to access it because the
5662 # base pointer is cleared in the inline assembly code.
5663 check_exec_crash <<EOF && enable ebp_available
5665 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
5669 # check whether EBX is available on x86
5670 check_inline_asm ebx_available '""::"b"(0)' &&
5671 check_inline_asm ebx_available '"":::"%ebx"'
5673 # check whether xmm clobbers are supported
5674 check_inline_asm xmm_clobbers '"":::"%xmm0"'
5676 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' ||
5677 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"'
5679 # check whether binutils is new enough to compile SSSE3/MMXEXT
5680 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
5681 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
5685 if test_cmd $x86asmexe_probe -v; then
5686 x86asmexe=$x86asmexe_probe
5688 x86asm_debug="-g -F dwarf"
5690 X86ASM_DEPFLAGS='-MD $(@:.o=.d)'
5691 elif test_cmd $x86asmexe_probe --version; then
5692 x86asmexe=$x86asmexe_probe
5694 x86asm_debug="-g dwarf2"
5695 X86ASMDEP='$(DEPX86ASM) $(X86ASMFLAGS) -M $(X86ASM_O) $< > $(@:.o=.d)'
5698 check_x86asm x86asm "movbe ecx, [5]"
5701 if ! disabled_any asm mmx x86asm; then
5703 for program in $x86asmexe nasm yasm; do
5704 probe_x86asm $program && break
5706 disabled x86asm && die "nasm/yasm not found or too old. Use --disable-x86asm for a crippled build."
5707 X86ASMFLAGS="-f $objformat"
5708 enabled pic && append X86ASMFLAGS "-DPIC"
5709 test -n "$extern_prefix" && append X86ASMFLAGS "-DPREFIX"
5710 case "$objformat" in
5711 elf*) enabled debug && append X86ASMFLAGS $x86asm_debug ;;
5714 check_x86asm avx512_external "vmovdqa32 [eax]{k1}{z}, zmm0"
5715 check_x86asm avx2_external "vextracti128 xmm0, ymm0, 0"
5716 check_x86asm xop_external "vpmacsdd xmm0, xmm1, xmm2, xmm3"
5717 check_x86asm fma4_external "vfmaddps ymm0, ymm1, ymm2, ymm3"
5718 check_x86asm cpunop "CPU amdnop"
5722 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
5729 check_cc intrinsics_neon arm_neon.h "int16x8_t test = vdupq_n_s16(0)"
5731 check_ldflags -Wl,--as-needed
5732 check_ldflags -Wl,-z,noexecstack
5734 if ! disabled network; then
5735 check_func getaddrinfo $network_extralibs
5736 check_func inet_aton $network_extralibs
5738 check_type netdb.h "struct addrinfo"
5739 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
5740 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
5741 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
5742 check_type poll.h "struct pollfd"
5743 check_type netinet/sctp.h "struct sctp_event_subscribe"
5744 check_struct "sys/socket.h" "struct msghdr" msg_flags
5745 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
5746 check_type netinet/in.h "struct sockaddr_in6"
5747 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
5748 check_type "sys/types.h sys/socket.h" socklen_t
5750 # Prefer arpa/inet.h over winsock2
5751 if check_header arpa/inet.h ; then
5752 check_func closesocket
5753 elif check_header winsock2.h ; then
5754 check_func_headers winsock2.h closesocket -lws2 &&
5755 network_extralibs="-lws2" ||
5756 { check_func_headers winsock2.h closesocket -lws2_32 &&
5757 network_extralibs="-lws2_32"; } || disable winsock2_h network
5758 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
5760 check_type ws2tcpip.h socklen_t
5761 check_type ws2tcpip.h "struct addrinfo"
5762 check_type ws2tcpip.h "struct group_source_req"
5763 check_type ws2tcpip.h "struct ip_mreq_source"
5764 check_type ws2tcpip.h "struct ipv6_mreq"
5765 check_type winsock2.h "struct pollfd"
5766 check_struct winsock2.h "struct sockaddr" sa_len
5767 check_type ws2tcpip.h "struct sockaddr_in6"
5768 check_type ws2tcpip.h "struct sockaddr_storage"
5774 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
5775 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
5776 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
5777 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
5778 check_builtin gmtime_r time.h "time_t *time; struct tm *tm; gmtime_r(time, tm)"
5779 check_builtin localtime_r time.h "time_t *time; struct tm *tm; localtime_r(time, tm)"
5780 check_builtin x264_csp_bgr "stdint.h x264.h" "X264_CSP_BGR"
5782 case "$custom_allocator" in
5784 # jemalloc by default does not use a prefix
5785 require libjemalloc jemalloc/jemalloc.h malloc -ljemalloc
5788 require_pkg_config libtcmalloc libtcmalloc gperftools/tcmalloc.h tc_malloc
5793 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
5794 check_func ${malloc_prefix}memalign && enable memalign
5795 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
5798 check_func_headers stdlib.h arc4random
5799 check_lib clock_gettime time.h clock_gettime || check_lib clock_gettime time.h clock_gettime -lrt
5802 check_func gethrtime
5804 check_func getrusage
5805 check_func gettimeofday
5810 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
5811 check_func_headers time.h nanosleep || check_lib nanosleep time.h nanosleep -lrt
5812 check_func sched_getaffinity
5813 check_func setrlimit
5814 check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE
5815 check_func strerror_r
5820 check_func_headers conio.h kbhit
5821 check_func_headers io.h setmode
5822 check_func_headers lzo/lzo1x.h lzo1x_999_compress
5823 check_func_headers mach/mach_time.h mach_absolute_time
5824 check_func_headers stdlib.h getenv
5825 check_func_headers sys/stat.h lstat
5827 check_func_headers windows.h GetProcessAffinityMask
5828 check_func_headers windows.h GetProcessTimes
5829 check_func_headers windows.h GetSystemTimeAsFileTime
5830 check_func_headers windows.h LoadLibrary
5831 check_func_headers windows.h MapViewOfFile
5832 check_func_headers windows.h PeekNamedPipe
5833 check_func_headers windows.h SetConsoleTextAttribute
5834 check_func_headers windows.h SetConsoleCtrlHandler
5835 check_func_headers windows.h Sleep
5836 check_func_headers windows.h VirtualAlloc
5837 check_func_headers glob.h glob
5839 check_lib xlib "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext
5841 check_header direct.h
5842 check_header dirent.h
5843 check_header dxgidebug.h
5845 check_header dxva2api.h -D_WIN32_WINNT=0x0600
5847 check_header linux/perf_event.h
5848 check_header libcrystalhd/libcrystalhd_if.h
5849 check_header malloc.h
5850 check_header net/udplite.h
5852 check_header sys/param.h
5853 check_header sys/resource.h
5854 check_header sys/select.h
5855 check_header sys/time.h
5856 check_header sys/un.h
5857 check_header termios.h
5858 check_header unistd.h
5859 check_header valgrind/valgrind.h
5860 check_func_headers VideoToolbox/VTCompressionSession.h VTCompressionSessionPrepareToEncodeFrames -framework VideoToolbox
5861 check_header windows.h
5862 check_header X11/extensions/XvMClib.h
5863 check_header asm/types.h
5865 # it seems there are versions of clang in some distros that try to use the
5866 # gcc headers, which explodes for stdatomic
5867 # so we also check that atomics actually work here
5868 check_builtin stdatomic stdatomic.h "atomic_int foo, bar = ATOMIC_VAR_INIT(-1); atomic_store(&foo, 0); foo += bar"
5870 check_lib advapi32 "windows.h" RegCloseKey -ladvapi32
5871 check_lib bcrypt "windows.h bcrypt.h" BCryptGenRandom -lbcrypt &&
5872 check_cpp_condition bcrypt bcrypt.h "defined BCRYPT_RNG_ALGORITHM"
5873 check_lib ole32 "windows.h" CoTaskMemFree -lole32
5874 check_lib shell32 "windows.h shellapi.h" CommandLineToArgvW -lshell32
5875 check_lib psapi "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
5877 check_lib android android/native_window.h ANativeWindow_acquire -landroid
5878 check_lib mediandk "stdint.h media/NdkImage.h" AImage_delete -lmediandk
5879 check_lib camera2ndk "stdbool.h stdint.h camera/NdkCameraManager.h" ACameraManager_create -lcamera2ndk
5881 enabled appkit && check_apple_framework AppKit
5882 enabled audiotoolbox && check_apple_framework AudioToolbox
5883 enabled avfoundation && check_apple_framework AVFoundation
5884 enabled coreimage && check_apple_framework CoreImage
5885 enabled videotoolbox && check_apple_framework VideoToolbox
5887 check_apple_framework CoreFoundation
5888 check_apple_framework CoreMedia
5889 check_apple_framework CoreVideo
5891 enabled avfoundation && {
5892 disable coregraphics applicationservices
5893 check_lib coregraphics CoreGraphics/CoreGraphics.h CGGetActiveDisplayList "-framework CoreGraphics" ||
5894 check_lib applicationservices ApplicationServices/ApplicationServices.h CGGetActiveDisplayList "-framework ApplicationServices"; }
5896 enabled videotoolbox && {
5897 check_lib coreservices CoreServices/CoreServices.h UTGetOSTypeFromString "-framework CoreServices"
5898 check_func_headers CoreMedia/CMFormatDescription.h kCMVideoCodecType_HEVC "-framework CoreMedia"
5901 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
5903 check_type "windows.h dxva.h" "DXVA_PicParams_HEVC" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0
5904 check_type "windows.h dxva.h" "DXVA_PicParams_VP9" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0
5905 check_type "windows.h d3d11.h" "ID3D11VideoDecoder"
5906 check_type "windows.h d3d11.h" "ID3D11VideoContext"
5907 check_type "d3d9.h dxva2api.h" DXVA2_ConfigPictureDecode -D_WIN32_WINNT=0x0602
5909 check_type "va/va.h va/va_dec_hevc.h" "VAPictureParameterBufferHEVC"
5910 check_type "va/va.h va/va_dec_vp8.h" "VAPictureParameterBufferVP8"
5911 check_struct "va/va.h" "VADecPictureParameterBufferVP9" bit_depth
5912 check_type "va/va.h va/va_vpp.h" "VAProcPipelineParameterBuffer"
5913 check_type "va/va.h va/va_enc_h264.h" "VAEncPictureParameterBufferH264"
5914 check_type "va/va.h va/va_enc_hevc.h" "VAEncPictureParameterBufferHEVC"
5915 check_type "va/va.h va/va_enc_jpeg.h" "VAEncPictureParameterBufferJPEG"
5916 check_type "va/va.h va/va_enc_mpeg2.h" "VAEncPictureParameterBufferMPEG2"
5917 check_type "va/va.h va/va_enc_vp8.h" "VAEncPictureParameterBufferVP8"
5918 check_type "va/va.h va/va_enc_vp9.h" "VAEncPictureParameterBufferVP9"
5920 check_type "vdpau/vdpau.h" "VdpPictureInfoHEVC"
5922 if ! disabled ffnvcodec; then
5923 check_pkg_config ffnvcodec "ffnvcodec >= 8.1.24.2" \
5924 "ffnvcodec/nvEncodeAPI.h ffnvcodec/dynlink_cuda.h ffnvcodec/dynlink_cuviddec.h ffnvcodec/dynlink_nvcuvid.h" "" || \
5925 check_pkg_config ffnvcodec "ffnvcodec >= 8.0.14.2 ffnvcodec < 8.1" \
5926 "ffnvcodec/nvEncodeAPI.h ffnvcodec/dynlink_cuda.h ffnvcodec/dynlink_cuviddec.h ffnvcodec/dynlink_nvcuvid.h" ""
5929 check_cpp_condition winrt windows.h "!WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)"
5931 if ! disabled w32threads && ! enabled pthreads; then
5932 check_func_headers "windows.h process.h" _beginthreadex &&
5933 check_type "windows.h" CONDITION_VARIABLE &&
5934 check_type "windows.h" INIT_ONCE &&
5935 enable w32threads || disable w32threads
5936 if ! enabled w32threads && enabled winrt; then
5937 check_func_headers "windows.h" CreateThread &&
5938 enable w32threads || disable w32threads
5942 # check for some common methods of building with pthread support
5943 # do this before the optional library checks as some of them require pthreads
5944 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
5945 if check_lib pthreads pthread.h pthread_join -pthread &&
5946 check_lib pthreads pthread.h pthread_create -pthread; then
5948 elif check_lib pthreads pthread.h pthread_join -pthreads &&
5949 check_lib pthreads pthread.h pthread_create -pthreads; then
5950 add_cflags -pthreads
5951 elif check_lib pthreads pthread.h pthread_join -ldl -pthread &&
5952 check_lib pthreads pthread.h pthread_create -ldl -pthread; then
5953 add_cflags -ldl -pthread
5954 elif check_lib pthreads pthread.h pthread_join -lpthreadGC2 &&
5955 check_lib pthreads pthread.h pthread_create -lpthreadGC2; then
5957 elif check_lib pthreads pthread.h pthread_join -lpthread &&
5958 check_lib pthreads pthread.h pthread_create -lpthread; then
5960 elif check_func pthread_join && check_func pthread_create; then
5963 check_cc pthreads "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER"
5965 if enabled pthreads; then
5966 check_builtin sem_timedwait semaphore.h "sem_t *s; sem_init(s,0,0); sem_timedwait(s,0); sem_destroy(s)" $pthreads_extralibs
5967 check_func pthread_cancel $pthreads_extralibs
5971 enabled zlib && { check_pkg_config zlib zlib "zlib.h" zlibVersion ||
5972 check_lib zlib zlib.h zlibVersion -lz; }
5973 enabled bzlib && check_lib bzlib bzlib.h BZ2_bzlibVersion -lbz2
5974 enabled lzma && check_lib lzma lzma.h lzma_version_number -llzma
5976 # On some systems dynamic loading requires no extra linker flags
5977 check_lib libdl dlfcn.h "dlopen dlsym" || check_lib libdl dlfcn.h "dlopen dlsym" -ldl
5979 check_lib libm math.h sin -lm
5987 for func in $MATH_FUNCS; do
5988 eval check_mathfunc $func \${${func}_args:-1} $libm_extralibs
5991 for func in $COMPLEX_FUNCS; do
5992 eval check_complexfunc $func \${${func}_args:-1}
5995 # these are off by default, so fail if requested and not available
5996 enabled cuda_sdk && require cuda_sdk cuda.h cuCtxCreate -lcuda
5997 enabled chromaprint && require chromaprint chromaprint.h chromaprint_get_version -lchromaprint
5998 enabled decklink && { require_header DeckLinkAPI.h &&
5999 { test_cpp_condition DeckLinkAPIVersion.h "BLACKMAGIC_DECKLINK_API_VERSION >= 0x0a060100" || die "ERROR: Decklink API version must be >= 10.6.1."; } }
6000 enabled libndi_newtek && require_header Processing.NDI.Lib.h
6001 enabled frei0r && require_header frei0r.h
6002 enabled gmp && require gmp gmp.h mpz_export -lgmp
6003 enabled gnutls && require_pkg_config gnutls gnutls gnutls/gnutls.h gnutls_global_init
6004 enabled jni && { [ $target_os = "android" ] && check_header jni.h && enabled pthreads || die "ERROR: jni not found"; }
6005 enabled ladspa && require_header ladspa.h
6006 enabled libaom && require_pkg_config libaom "aom >= 1.0.0" aom/aom_codec.h aom_codec_version
6007 enabled lv2 && require_pkg_config lv2 lilv-0 "lilv/lilv.h" lilv_world_new
6008 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
6009 enabled libass && require_pkg_config libass libass ass/ass.h ass_library_init
6010 enabled libbluray && require_pkg_config libbluray libbluray libbluray/bluray.h bd_open
6011 enabled libbs2b && require_pkg_config libbs2b libbs2b bs2b.h bs2b_open
6012 enabled libcelt && require libcelt celt/celt.h celt_decode -lcelt0 &&
6013 { check_lib libcelt celt/celt.h celt_decoder_create_custom -lcelt0 ||
6014 die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
6015 enabled libcaca && require_pkg_config libcaca caca caca.h caca_create_canvas
6016 enabled libcodec2 && require libcodec2 codec2/codec2.h codec2_create -lcodec2
6017 enabled libdavs2 && require_pkg_config libdavs2 "davs2 >= 1.5.115" davs2.h davs2_decoder_open
6018 enabled libdc1394 && require_pkg_config libdc1394 libdc1394-2 dc1394/dc1394.h dc1394_new
6019 enabled libdrm && require_pkg_config libdrm libdrm xf86drm.h drmGetVersion
6020 enabled libfdk_aac && { check_pkg_config libfdk_aac fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen ||
6021 { require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac &&
6022 warn "using libfdk without pkg-config"; } }
6023 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"
6024 enabled libflite && require libflite "flite/flite.h" flite_init $flite_extralibs
6025 enabled fontconfig && enable libfontconfig
6026 enabled libfontconfig && require_pkg_config libfontconfig fontconfig "fontconfig/fontconfig.h" FcInit
6027 enabled libfreetype && require_pkg_config libfreetype freetype2 "ft2build.h FT_FREETYPE_H" FT_Init_FreeType
6028 enabled libfribidi && require_pkg_config libfribidi fribidi fribidi.h fribidi_version_info
6029 enabled libgme && { check_pkg_config libgme libgme gme/gme.h gme_new_emu ||
6030 require libgme gme/gme.h gme_new_emu -lgme -lstdc++; }
6031 enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
6032 check_lib libgsm "${gsm_hdr}" gsm_create -lgsm && break;
6033 done || die "ERROR: libgsm not found"; }
6034 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc $pthreads_extralibs
6035 enabled libkvazaar && require_pkg_config libkvazaar "kvazaar >= 0.8.1" kvazaar.h kvz_api_get
6036 enabled liblensfun && require_pkg_config liblensfun lensfun lensfun.h lf_db_new
6037 # While it may appear that require is being used as a pkg-config
6038 # fallback for libmfx, it is actually being used to detect a different
6039 # installation route altogether. If libmfx is installed via the Intel
6040 # Media SDK or Intel Media Server Studio, these don't come with
6041 # pkg-config support. Instead, users should make sure that the build
6042 # can find the libraries and headers through other means.
6043 enabled libmfx && { check_pkg_config libmfx libmfx "mfx/mfxvideo.h" MFXInit ||
6044 { require libmfx "mfx/mfxvideo.h" MFXInit "-llibmfx $advapi32_extralibs" && warn "using libmfx without pkg-config"; } }
6045 enabled libmodplug && require_pkg_config libmodplug libmodplug libmodplug/modplug.h ModPlug_Load
6046 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame $libm_extralibs
6047 enabled libmysofa && { check_pkg_config libmysofa libmysofa mysofa.h mysofa_load ||
6048 require libmysofa mysofa.h mysofa_load -lmysofa $zlib_extralibs; }
6049 enabled libnpp && { check_lib libnpp npp.h nppGetLibVersion -lnppig -lnppicc -lnppc ||
6050 check_lib libnpp npp.h nppGetLibVersion -lnppi -lnppc ||
6051 die "ERROR: libnpp not found"; }
6052 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
6053 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
6054 enabled libopencv && { check_header opencv2/core/core_c.h &&
6055 { check_pkg_config libopencv opencv opencv2/core/core_c.h cvCreateImageHeader ||
6056 require libopencv opencv2/core/core_c.h cvCreateImageHeader -lopencv_core -lopencv_imgproc; } ||
6057 require_pkg_config libopencv opencv opencv/cxcore.h cvCreateImageHeader; }
6058 enabled libopenh264 && require_pkg_config libopenh264 openh264 wels/codec_api.h WelsGetCodecVersion
6059 enabled libopenjpeg && { check_pkg_config libopenjpeg "libopenjp2 >= 2.1.0" openjpeg.h opj_version ||
6060 { require_pkg_config libopenjpeg "libopenjp2 >= 2.1.0" openjpeg.h opj_version -DOPJ_STATIC && add_cppflags -DOPJ_STATIC; } }
6061 enabled libopenmpt && require_pkg_config libopenmpt "libopenmpt >= 0.2.6557" libopenmpt/libopenmpt.h openmpt_module_create -lstdc++ && append libopenmpt_extralibs "-lstdc++"
6062 enabled libopus && {
6063 enabled libopus_decoder && {
6064 require_pkg_config libopus opus opus_multistream.h opus_multistream_decoder_create
6066 enabled libopus_encoder && {
6067 require_pkg_config libopus opus opus_multistream.h opus_multistream_surround_encoder_create
6070 enabled libpulse && require_pkg_config libpulse libpulse pulse/pulseaudio.h pa_context_new
6071 enabled librsvg && require_pkg_config librsvg librsvg-2.0 librsvg-2.0/librsvg/rsvg.h rsvg_handle_render_cairo
6072 enabled librtmp && require_pkg_config librtmp librtmp librtmp/rtmp.h RTMP_Socket
6073 enabled librubberband && require_pkg_config librubberband "rubberband >= 1.8.1" rubberband/rubberband-c.h rubberband_new -lstdc++ && append librubberband_extralibs "-lstdc++"
6074 enabled libshine && require_pkg_config libshine shine shine/layer3.h shine_encode_buffer
6075 enabled libsmbclient && { check_pkg_config libsmbclient smbclient libsmbclient.h smbc_init ||
6076 require libsmbclient libsmbclient.h smbc_init -lsmbclient; }
6077 enabled libsnappy && require libsnappy snappy-c.h snappy_compress -lsnappy -lstdc++
6078 enabled libsoxr && require libsoxr soxr.h soxr_create -lsoxr
6079 enabled libssh && require_pkg_config libssh libssh libssh/sftp.h sftp_init
6080 enabled libspeex && require_pkg_config libspeex speex speex/speex.h speex_decoder_init
6081 enabled libsrt && require_pkg_config libsrt "srt >= 1.2.0" srt/srt.h srt_socket
6082 enabled libtensorflow && require libtensorflow tensorflow/c/c_api.h TF_Version -ltensorflow
6083 enabled libtesseract && require_pkg_config libtesseract tesseract tesseract/capi.h TessBaseAPICreate
6084 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
6085 enabled libtls && require_pkg_config libtls libtls tls.h tls_configure
6086 enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame &&
6087 { check_lib libtwolame twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
6088 die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
6089 enabled libv4l2 && require_pkg_config libv4l2 libv4l2 libv4l2.h v4l2_ioctl
6090 enabled libvidstab && require_pkg_config libvidstab "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit
6091 enabled libvmaf && require_pkg_config libvmaf "libvmaf >= 0.6.2" libvmaf.h compute_vmaf
6092 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
6093 enabled libvorbis && require_pkg_config libvorbis vorbis vorbis/codec.h vorbis_info_init &&
6094 require_pkg_config libvorbisenc vorbisenc vorbis/vorbisenc.h vorbis_encode_init
6097 enabled libvpx_vp8_decoder && {
6098 check_pkg_config libvpx_vp8_decoder "vpx >= 1.4.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp8_dx ||
6099 check_lib libvpx_vp8_decoder "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_dec_init_ver VPX_IMG_FMT_HIGHBITDEPTH" -lvpx ||
6100 die "ERROR: libvpx decoder version must be >=1.4.0";
6102 enabled libvpx_vp8_encoder && {
6103 check_pkg_config libvpx_vp8_encoder "vpx >= 1.4.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp8_cx ||
6104 check_lib libvpx_vp8_encoder "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VPX_IMG_FMT_HIGHBITDEPTH" -lvpx ||
6105 die "ERROR: libvpx encoder version must be >=1.4.0";
6107 enabled libvpx_vp9_decoder && {
6108 check_pkg_config libvpx_vp9_decoder "vpx >= 1.4.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx ||
6109 check_lib libvpx_vp9_decoder "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx VPX_IMG_FMT_HIGHBITDEPTH" "-lvpx $libm_extralibs"
6111 enabled libvpx_vp9_encoder && {
6112 check_pkg_config libvpx_vp9_encoder "vpx >= 1.4.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx ||
6113 check_lib libvpx_vp9_encoder "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VPX_IMG_FMT_HIGHBITDEPTH" "-lvpx $libm_extralibs"
6115 if disabled_all libvpx_vp8_decoder libvpx_vp9_decoder libvpx_vp8_encoder libvpx_vp9_encoder; then
6116 die "libvpx enabled but no supported decoders found"
6120 enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack
6121 enabled libwebp && {
6122 enabled libwebp_encoder && require_pkg_config libwebp "libwebp >= 0.2.0" webp/encode.h WebPGetEncoderVersion
6123 enabled libwebp_anim_encoder && check_pkg_config libwebp_anim_encoder "libwebpmux >= 0.4.0" webp/mux.h WebPAnimEncoderOptionsInit; }
6124 enabled libx264 && { check_pkg_config libx264 x264 "stdint.h x264.h" x264_encoder_encode ||
6125 { require libx264 "stdint.h x264.h" x264_encoder_encode "-lx264 $pthreads_extralibs $libm_extralibs" &&
6126 warn "using libx264 without pkg-config"; } } &&
6127 require_cpp_condition x264.h "X264_BUILD >= 118" &&
6128 check_cpp_condition libx262 x264.h "X264_MPEG2"
6129 enabled libx265 && require_pkg_config libx265 x265 x265.h x265_api_get &&
6130 require_cpp_condition x265.h "X265_BUILD >= 68"
6131 enabled libxavs && require libxavs "stdint.h xavs.h" xavs_encoder_encode "-lxavs $pthreads_extralibs $libm_extralibs"
6132 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
6133 enabled libzimg && require_pkg_config libzimg "zimg >= 2.7.0" zimg.h zimg_get_api_version
6134 enabled libzmq && require_pkg_config libzmq libzmq zmq.h zmq_ctx_new
6135 enabled libzvbi && require_pkg_config libzvbi zvbi-0.2 libzvbi.h vbi_decoder_new &&
6136 { test_cpp_condition libzvbi.h "VBI_VERSION_MAJOR > 0 || VBI_VERSION_MINOR > 2 || VBI_VERSION_MINOR == 2 && VBI_VERSION_MICRO >= 28" ||
6137 enabled gpl || die "ERROR: libzvbi requires version 0.2.28 or --enable-gpl."; }
6138 enabled libxml2 && require_pkg_config libxml2 libxml-2.0 libxml2/libxml/xmlversion.h xmlCheckVersion
6139 enabled mbedtls && { check_pkg_config mbedtls mbedtls mbedtls/x509_crt.h mbedtls_x509_crt_init ||
6140 check_pkg_config mbedtls mbedtls mbedtls/ssl.h mbedtls_ssl_init ||
6141 check_lib mbedtls mbedtls/ssl.h mbedtls_ssl_init -lmbedtls -lmbedx509 -lmbedcrypto ||
6142 die "ERROR: mbedTLS not found"; }
6143 enabled mediacodec && { enabled jni || die "ERROR: mediacodec requires --enable-jni"; }
6144 enabled mmal && { check_lib mmal interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ||
6145 { ! enabled cross_compile &&
6146 add_cflags -isystem/opt/vc/include/ -isystem/opt/vc/include/interface/vmcs_host/linux -isystem/opt/vc/include/interface/vcos/pthreads -fgnu89-inline &&
6147 add_ldflags -L/opt/vc/lib/ &&
6148 check_lib mmal interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host; } ||
6149 die "ERROR: mmal not found" &&
6150 check_func_headers interface/mmal/mmal.h "MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS"; }
6151 enabled openal && { { for al_extralibs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
6152 check_lib openal 'AL/al.h' alGetError "${al_extralibs}" && break; done } ||
6153 die "ERROR: openal not found"; } &&
6154 { test_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
6155 die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
6156 enabled opencl && { check_pkg_config opencl OpenCL CL/cl.h clEnqueueNDRangeKernel ||
6157 check_lib opencl OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||
6158 check_lib opencl CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||
6159 die "ERROR: opencl not found"; } &&
6160 { test_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||
6161 test_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||
6162 die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }
6163 enabled opengl && { check_lib opengl GL/glx.h glXGetProcAddress "-lGL" ||
6164 check_lib opengl windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||
6165 check_lib opengl OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||
6166 check_lib opengl ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||
6167 die "ERROR: opengl not found."
6169 enabled omx && require_header OMX_Core.h
6170 enabled omx_rpi && { check_header OMX_Core.h ||
6171 { ! enabled cross_compile && add_cflags -isystem/opt/vc/include/IL && check_header OMX_Core.h ; } ||
6172 die "ERROR: OpenMAX IL headers not found"; } && enable omx
6173 enabled openssl && { check_pkg_config openssl openssl openssl/ssl.h OPENSSL_init_ssl ||
6174 check_pkg_config openssl openssl openssl/ssl.h SSL_library_init ||
6175 check_lib openssl openssl/ssl.h SSL_library_init -lssl -lcrypto ||
6176 check_lib openssl openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
6177 check_lib openssl openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
6178 die "ERROR: openssl not found"; }
6179 enabled rkmpp && { require_pkg_config rkmpp rockchip_mpp rockchip/rk_mpi.h mpp_create &&
6180 require_pkg_config rockchip_mpp "rockchip_mpp >= 1.3.7" rockchip/rk_mpi.h mpp_create &&
6182 die "ERROR: rkmpp requires --enable-libdrm"; }
6184 enabled vapoursynth && require_pkg_config vapoursynth "vapoursynth-script >= 42" VSScript.h vsscript_init
6187 if enabled gcrypt; then
6188 GCRYPT_CONFIG="${cross_prefix}libgcrypt-config"
6189 if "${GCRYPT_CONFIG}" --version > /dev/null 2>&1; then
6190 gcrypt_cflags=$("${GCRYPT_CONFIG}" --cflags)
6191 gcrypt_extralibs=$("${GCRYPT_CONFIG}" --libs)
6192 check_func_headers gcrypt.h gcry_mpi_new $gcrypt_cflags $gcrypt_extralibs ||
6193 die "ERROR: gcrypt not found"
6194 add_cflags $gcrypt_cflags
6196 require gcrypt gcrypt.h gcry_mpi_new -lgcrypt
6200 if enabled sdl2; then
6201 SDL2_CONFIG="${cross_prefix}sdl2-config"
6202 test_pkg_config sdl2 "sdl2 >= 2.0.1 sdl2 < 2.1.0" SDL_events.h SDL_PollEvent
6203 if disabled sdl2 && "${SDL2_CONFIG}" --version > /dev/null 2>&1; then
6204 sdl2_cflags=$("${SDL2_CONFIG}" --cflags)
6205 sdl2_extralibs=$("${SDL2_CONFIG}" --libs)
6206 test_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x020001" $sdl2_cflags &&
6207 test_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x020100" $sdl2_cflags &&
6208 check_func_headers SDL_events.h SDL_PollEvent $sdl2_extralibs $sdl2_cflags &&
6211 if test $target_os = "mingw32"; then
6212 sdl2_extralibs=$(filter_out '-mwindows' $sdl2_extralibs)
6216 if enabled decklink; then
6218 mingw32*|mingw64*|win32|win64)
6219 decklink_outdev_extralibs="$decklink_outdev_extralibs -lole32 -loleaut32"
6220 decklink_indev_extralibs="$decklink_indev_extralibs -lole32 -loleaut32"
6225 enabled securetransport &&
6226 check_func SecIdentityCreate "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&
6227 check_lib securetransport "Security/SecureTransport.h Security/Security.h" "SSLCreateContext" "-Wl,-framework,CoreFoundation -Wl,-framework,Security" ||
6228 disable securetransport
6230 enabled securetransport &&
6231 check_func SecItemImport "-Wl,-framework,CoreFoundation -Wl,-framework,Security"
6234 check_func_headers "windows.h security.h" InitializeSecurityContext -DSECURITY_WIN32 -lsecur32 &&
6235 test_cpp_condition winerror.h "defined(SEC_I_CONTEXT_EXPIRED)" &&
6236 schannel_extralibs="-lsecur32" ||
6239 makeinfo --version > /dev/null 2>&1 && enable makeinfo || disable makeinfo
6241 && [ 0$(makeinfo --version | grep "texinfo" | sed 's/.*texinfo[^0-9]*\([0-9]*\)\..*/\1/') -ge 5 ] \
6242 && enable makeinfo_html || disable makeinfo_html
6243 disabled makeinfo_html && texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
6244 perl -v > /dev/null 2>&1 && enable perl || disable perl
6245 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
6246 rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout
6248 # check V4L2 codecs available in the API
6249 check_header linux/fb.h
6250 check_header linux/videodev2.h
6251 test_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_sanitized struct_v4l2_frmivalenum_discrete
6252 check_cc v4l2_m2m linux/videodev2.h "int i = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_VIDEO_M2M | V4L2_BUF_FLAG_LAST;"
6253 check_cc vc1_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_VC1_ANNEX_G;"
6254 check_cc mpeg1_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG1;"
6255 check_cc mpeg2_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG2;"
6256 check_cc mpeg4_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG4;"
6257 check_cc hevc_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_HEVC;"
6258 check_cc h263_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_H263;"
6259 check_cc h264_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_H264;"
6260 check_cc vp8_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_VP8;"
6261 check_cc vp9_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_VP9;"
6263 check_header sys/videoio.h
6264 test_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_sanitized struct_v4l2_frmivalenum_discrete
6266 check_lib user32 "windows.h winuser.h" GetShellWindow -luser32
6267 check_lib vfw32 "windows.h vfw.h" capCreateCaptureWindow -lvfw32
6268 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
6269 # w32api 3.12 had it defined wrong
6270 check_cpp_condition vfwcap_defines vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER"
6272 check_type "dshow.h" IBaseFilter
6274 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
6275 check_header "dev/bktr/ioctl_meteor.h dev/bktr/ioctl_bt848.h" ||
6276 check_header "machine/ioctl_meteor.h machine/ioctl_bt848.h" ||
6277 check_header "dev/video/meteor/ioctl_meteor.h dev/video/bktr/ioctl_bt848.h" ||
6278 check_header "dev/ic/bt8xx.h"
6280 if check_struct sys/soundcard.h audio_buf_info bytes; then
6281 enable_sanitized sys/soundcard.h
6283 test_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_sanitized sys/soundcard.h
6284 #include <sys/soundcard.h>
6289 enabled alsa && check_pkg_config alsa alsa "alsa/asoundlib.h" snd_pcm_htimestamp ||
6290 check_lib alsa alsa/asoundlib.h snd_pcm_htimestamp -lasound
6293 require_pkg_config libjack jack jack/jack.h jack_port_get_latency_range
6295 enabled sndio && check_lib sndio sndio.h sio_open -lsndio
6297 if enabled libcdio; then
6298 check_pkg_config libcdio libcdio_paranoia "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open ||
6299 check_pkg_config libcdio libcdio_paranoia "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open ||
6300 check_lib libcdio "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
6301 check_lib libcdio "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
6302 die "ERROR: No usable libcdio/cdparanoia found"
6305 enabled libxcb && check_pkg_config libxcb "xcb >= 1.4" xcb/xcb.h xcb_connect ||
6306 disable libxcb_shm libxcb_shape libxcb_xfixes
6308 if enabled libxcb; then
6309 enabled libxcb_shm && check_pkg_config libxcb_shm xcb-shm xcb/shm.h xcb_shm_attach
6310 enabled libxcb_shape && check_pkg_config libxcb_shape xcb-shape xcb/shape.h xcb_shape_get_rectangles
6311 enabled libxcb_xfixes && check_pkg_config libxcb_xfixes xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image
6314 check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs"
6316 # d3d11va requires linking directly to dxgi and d3d11 if not building for
6317 # the desktop api partition
6318 test_cpp <<EOF && enable uwp && d3d11va_extralibs="-ldxgi -ld3d11"
6319 #ifdef WINAPI_FAMILY
6320 #include <winapifamily.h>
6321 #if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
6322 #error desktop, not uwp
6324 // WINAPI_FAMILY_APP, WINAPI_FAMILY_PHONE_APP => UWP
6327 #error no family set
6332 check_lib vaapi va/va.h vaInitialize -lva
6335 check_cc vaapi "va/va.h" "vaCreateSurfaces(0, 0, 0, 0, 0, 0, 0, 0)"
6337 if enabled vaapi; then
6338 check_lib vaapi_drm "va/va.h va/va_drm.h" vaGetDisplayDRM -lva -lva-drm
6339 check_lib vaapi_x11 "va/va.h va/va_x11.h" vaGetDisplay -lva -lva-x11 -lX11
6343 check_cpp_condition vaapi_1 "va/va.h" "VA_CHECK_VERSION(1, 0, 0)"
6345 if enabled_all opencl libdrm ; then
6346 check_type "CL/cl_intel.h" "clCreateImageFromFdINTEL_fn" &&
6347 enable opencl_drm_beignet
6348 check_func_headers "CL/cl_ext.h" clImportMemoryARM &&
6349 enable opencl_drm_arm
6352 if enabled_all opencl vaapi ; then
6353 enabled opencl_drm_beignet && enable opencl_vaapi_beignet
6354 check_type "CL/cl.h CL/va_ext.h" "clCreateFromVA_APIMediaSurfaceINTEL_fn" &&
6355 enable opencl_vaapi_intel_media
6358 if enabled_all opencl dxva2 ; then
6359 check_type "CL/cl_dx9_media_sharing.h" cl_dx9_surface_info_khr &&
6363 if enabled_all opencl d3d11va ; then
6364 check_type "CL/cl_d3d11.h" clGetDeviceIDsFromD3D11KHR_fn &&
6369 check_cpp_condition vdpau vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP"
6372 check_lib vdpau_x11 "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau -lX11
6374 enabled crystalhd && check_lib crystalhd "stdint.h libcrystalhd/libcrystalhd_if.h" DtsCrystalHDVersion -lcrystalhd
6376 if enabled x86; then
6378 mingw32*|mingw64*|win32|win64|linux|cygwin*)
6381 disable ffnvcodec cuvid nvdec nvenc
6385 disable ffnvcodec cuvid nvdec nvenc
6388 enabled ffnvcodec && enable cuda
6391 test_cc -I$source_path <<EOF || disable nvenc
6392 #include <ffnvcodec/nvEncodeAPI.h>
6393 NV_ENCODE_API_FUNCTION_LIST flist;
6394 void f(void) { struct { const GUID guid; } s[] = { { NV_ENC_PRESET_HQ_GUID } }; }
6395 int main(void) { return 0; }
6399 check_cpp_condition amf "AMF/core/Version.h" \
6400 "(AMF_VERSION_MAJOR << 48 | AMF_VERSION_MINOR << 32 | AMF_VERSION_RELEASE << 16 | AMF_VERSION_BUILD_NUM) >= 0x0001000400040001"
6402 # Funny iconv installations are not unusual, so check it after all flags have been set
6403 if enabled libc_iconv; then
6404 check_func_headers iconv.h iconv
6405 elif enabled iconv; then
6406 check_func_headers iconv.h iconv || check_lib iconv iconv.h iconv -liconv
6409 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
6411 # add some useful compiler flags if supported
6412 check_cflags -Wdeclaration-after-statement
6414 check_cflags -Wdisabled-optimization
6415 check_cflags -Wpointer-arith
6416 check_cflags -Wredundant-decls
6417 check_cflags -Wwrite-strings
6418 check_cflags -Wtype-limits
6419 check_cflags -Wundef
6420 check_cflags -Wmissing-prototypes
6421 check_cflags -Wno-pointer-to-int-cast
6422 check_cflags -Wstrict-prototypes
6423 check_cflags -Wempty-body
6425 if enabled extra_warnings; then
6426 check_cflags -Wcast-qual
6427 check_cflags -Wextra
6428 check_cflags -Wpedantic
6431 check_disable_warning(){
6432 warning_flag=-W${1#-Wno-}
6433 test_cflags $unknown_warning_flags $warning_flag && add_cflags $1
6436 test_cflags -Werror=unused-command-line-argument &&
6437 append unknown_warning_flags "-Werror=unused-command-line-argument"
6438 test_cflags -Werror=unknown-warning-option &&
6439 append unknown_warning_flags "-Werror=unknown-warning-option"
6441 check_disable_warning -Wno-parentheses
6442 check_disable_warning -Wno-switch
6443 check_disable_warning -Wno-format-zero-length
6444 check_disable_warning -Wno-pointer-sign
6445 check_disable_warning -Wno-unused-const-variable
6446 check_disable_warning -Wno-bool-operation
6448 check_disable_warning_headers(){
6449 warning_flag=-W${1#-Wno-}
6450 test_cflags $warning_flag && add_cflags_headers $1
6453 check_disable_warning_headers -Wno-deprecated-declarations
6454 check_disable_warning_headers -Wno-unused-variable
6456 test_cc <<EOF && enable blocks_extension
6457 void (^block)(void);
6460 # add some linker flags
6461 check_ldflags -Wl,--warn-common
6462 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
6463 enabled rpath && add_ldexeflags -Wl,-rpath,$libdir && add_ldsoflags -Wl,-rpath,$libdir
6464 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
6466 # add some strip flags
6469 enabled neon_clobber_test &&
6470 check_ldflags -Wl,--wrap,avcodec_open2 \
6471 -Wl,--wrap,avcodec_decode_audio4 \
6472 -Wl,--wrap,avcodec_decode_video2 \
6473 -Wl,--wrap,avcodec_decode_subtitle2 \
6474 -Wl,--wrap,avcodec_encode_audio2 \
6475 -Wl,--wrap,avcodec_encode_video2 \
6476 -Wl,--wrap,avcodec_encode_subtitle \
6477 -Wl,--wrap,avcodec_send_packet \
6478 -Wl,--wrap,avcodec_receive_packet \
6479 -Wl,--wrap,avcodec_send_frame \
6480 -Wl,--wrap,avcodec_receive_frame \
6481 -Wl,--wrap,swr_convert \
6482 -Wl,--wrap,avresample_convert ||
6483 disable neon_clobber_test
6485 enabled xmm_clobber_test &&
6486 check_ldflags -Wl,--wrap,avcodec_open2 \
6487 -Wl,--wrap,avcodec_decode_audio4 \
6488 -Wl,--wrap,avcodec_decode_video2 \
6489 -Wl,--wrap,avcodec_decode_subtitle2 \
6490 -Wl,--wrap,avcodec_encode_audio2 \
6491 -Wl,--wrap,avcodec_encode_video2 \
6492 -Wl,--wrap,avcodec_encode_subtitle \
6493 -Wl,--wrap,avcodec_send_packet \
6494 -Wl,--wrap,avcodec_receive_packet \
6495 -Wl,--wrap,avcodec_send_frame \
6496 -Wl,--wrap,avcodec_receive_frame \
6497 -Wl,--wrap,swr_convert \
6498 -Wl,--wrap,avresample_convert \
6499 -Wl,--wrap,sws_scale ||
6500 disable xmm_clobber_test
6502 check_ld "cc" proper_dce <<EOF
6503 extern const int array[512];
6504 static inline int func(void) { return array[0]; }
6505 int main(void) { return 0; }
6508 if enabled proper_dce; then
6509 echo "X { local: *; };" > $TMPV
6510 if test_ldflags -Wl,${version_script},$TMPV; then
6511 append SHFLAGS '-Wl,${version_script},\$(SUBDIR)lib\$(NAME).ver'
6513 test_cc <<EOF && enable symver_asm_label
6514 void ff_foo(void) __asm__ ("av_foo@VERSION");
6515 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
6517 test_cc <<EOF && enable symver_gnu_asm
6518 __asm__(".symver ff_foo,av_foo@VERSION");
6519 void ff_foo(void) {}
6524 if [ -z "$optflags" ]; then
6525 if enabled small; then
6526 optflags=$cflags_size
6527 elif enabled optimizations; then
6528 optflags=$cflags_speed
6530 optflags=$cflags_noopt
6534 if [ -z "$nvccflags" ]; then
6535 nvccflags=$nvccflags_default
6538 if enabled x86_64 || enabled ppc64 || enabled aarch64; then
6539 nvccflags="$nvccflags -m64"
6541 nvccflags="$nvccflags -m32"
6546 enabled lto && check_ldflags "$@"
6549 check_optflags $optflags
6550 check_optflags -fno-math-errno
6551 check_optflags -fno-signed-zeros
6553 if enabled lto; then
6554 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
6556 check_ldflags -flto $cpuflags
6557 disable inline_asm_direct_symbol_refs
6560 enabled ftrapv && check_cflags -ftrapv
6562 test_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
6567 if enabled icc; then
6568 # Just warnings, no remarks
6570 # -wd: Disable following warnings
6571 # 144, 167, 556: -Wno-pointer-sign
6572 # 188: enumerated type mixed with another type
6573 # 1292: attribute "foo" ignored
6574 # 1419: external declaration in primary source file
6575 # 10006: ignoring unknown option -fno-signed-zeros
6576 # 10148: ignoring unknown option -Wno-parentheses
6577 # 10156: ignoring option '-W'; no argument required
6578 # 13200: No EMMS instruction before call to function
6579 # 13203: No EMMS instruction before return from function
6580 check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156,13200,13203
6581 # 11030: Warning unknown option --as-needed
6582 # 10156: ignoring option '-export'; no argument required
6583 check_ldflags -wd10156,11030
6584 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
6585 enable ebp_available
6586 # The test above does not test linking
6587 enabled lto && disable symver_asm_label
6588 if enabled x86_32; then
6589 icc_version=$($cc -dumpversion)
6590 test ${icc_version%%.*} -ge 11 &&
6591 check_cflags -falign-stack=maintain-16-byte ||
6592 disable aligned_stack
6594 elif enabled gcc; then
6595 check_optflags -fno-tree-vectorize
6596 check_cflags -Werror=format-security
6597 check_cflags -Werror=implicit-function-declaration
6598 check_cflags -Werror=missing-prototypes
6599 check_cflags -Werror=return-type
6600 check_cflags -Werror=vla
6601 check_cflags -Wformat
6602 check_cflags -fdiagnostics-color=auto
6603 enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized
6604 if enabled x86_32; then
6607 # BSDs don't guarantee a 16 byte aligned stack, but we can
6608 # request GCC to try to maintain 16 byte alignment throughout
6609 # function calls. Library entry points that might call assembly
6610 # functions align the stack. (The parameter means 2^4 bytes.)
6611 check_cflags -mpreferred-stack-boundary=4
6615 elif enabled llvm_gcc; then
6616 check_cflags -mllvm -stack-alignment=16
6617 elif enabled clang; then
6618 if enabled x86_32; then
6619 # Clang doesn't support maintaining alignment without assuming the
6620 # same alignment in every function. If 16 byte alignment would be
6621 # enabled, one would also have to either add attribute_align_arg on
6622 # every single entry point into the libraries or enable -mstackrealign
6623 # (doing stack realignment in every single function).
6625 mingw32|win32|*bsd*)
6626 disable aligned_stack
6629 check_cflags -mllvm -stack-alignment=16
6630 check_cflags -mstack-alignment=16
6634 check_cflags -mllvm -stack-alignment=16
6635 check_cflags -mstack-alignment=16
6637 check_cflags -Qunused-arguments
6638 check_cflags -Werror=implicit-function-declaration
6639 check_cflags -Werror=missing-prototypes
6640 check_cflags -Werror=return-type
6641 elif enabled cparser; then
6642 add_cflags -Wno-missing-variable-declarations
6643 add_cflags -Wno-empty-statement
6644 elif enabled armcc; then
6645 add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat
6646 add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir
6647 # 2523: use of inline assembly is deprecated
6648 add_cflags -W${armcc_opt},--diag_suppress=2523
6649 add_cflags -W${armcc_opt},--diag_suppress=1207
6650 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
6651 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
6652 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
6653 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
6654 elif enabled pathscale; then
6655 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
6657 elif enabled_any msvc icl; then
6658 enabled x86_32 && disable aligned_stack
6659 enabled_all x86_32 debug && add_cflags -Oy-
6660 enabled debug && add_ldflags -debug
6661 enable pragma_deprecated
6662 if enabled icl; then
6663 # -Qansi-alias is basically -fstrict-aliasing, but does not work
6664 # (correctly) on icl 13.x.
6665 test_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&
6666 add_cflags -Qansi-alias
6667 # Some inline asm is not compilable in debug
6668 if enabled debug; then
6669 disable ebp_available
6670 disable ebx_available
6673 # msvcrt10 x64 incorrectly enables log2, only msvcrt12 (MSVC 2013) onwards actually has log2.
6674 check_cpp_condition log2 crtversion.h "_VC_CRT_MAJOR_VERSION >= 12"
6675 # The CRT headers contain __declspec(restrict) in a few places, but if redefining
6676 # restrict, this might break. MSVC 2010 and 2012 fail with __declspec(__restrict)
6677 # (as it ends up if the restrict redefine is done before including stdlib.h), while
6678 # MSVC 2013 and newer can handle it fine.
6679 # If this declspec fails, force including stdlib.h before the restrict redefinition
6680 # happens in config.h.
6681 if [ $restrict_keyword != restrict ]; then
6682 test_cc <<EOF || add_cflags -FIstdlib.h
6683 __declspec($restrict_keyword) void *foo(int);
6686 # the new SSA optimzer in VS2015 U3 is mis-optimizing some parts of the code
6687 # Issue has been fixed in MSVC v19.00.24218.
6688 test_cpp_condition windows.h "_MSC_FULL_VER >= 190024218" ||
6689 check_cflags -d2SSAOptimizer-
6690 # enable utf-8 source processing on VS2015 U2 and newer
6691 test_cpp_condition windows.h "_MSC_FULL_VER >= 190023918" &&
6695 for pfx in "" host_; do
6696 varname=${pfx%_}cc_type
6697 eval "type=\$$varname"
6698 if [ "$type" = "msvc" ]; then
6699 test_${pfx}cc <<EOF || add_${pfx}cflags -Dinline=__inline
6700 static inline int foo(int a) { return a; }
6707 add_asflags -Qunused-arguments
6713 check_ldflags -Qunused-arguments
6717 enable frame_thread_encoder
6719 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
6721 check_deps $CONFIG_LIST \
6726 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"
6727 enabled avresample && warn "Building with deprecated library libavresample"
6729 if test $target_os = "haiku"; then
6731 disable posix_memalign
6734 flatten_extralibs(){
6735 unset nested_entries
6738 for entry in $list; do
6741 append nested_entries $(filter '*_extralibs' $entry_copy)
6742 flat_entries=$(filter_out '*_extralibs' $entry_copy)
6743 eval $entry="\$flat_entries"
6745 append $list_name "$nested_entries"
6747 resolve nested_entries
6748 if test -n "$(filter '*_extralibs' $nested_entries)"; then
6749 flatten_extralibs $list_name
6753 flatten_extralibs_wrapper(){
6755 flatten_extralibs $list_name
6758 eval $list_name=\$\(\$ldflags_filter \$$list_name\)
6759 eval printf \''%s'\' \""\$$list_name"\"
6762 for linkunit in $LIBRARY_LIST; do
6763 unset current_extralibs
6764 eval components=\$$(toupper ${linkunit})_COMPONENTS_LIST
6765 for comp in ${components}; do
6766 enabled $comp || continue
6767 comp_extralibs="${comp}_extralibs"
6768 append current_extralibs $comp_extralibs
6770 eval prepend ${linkunit}_extralibs $current_extralibs
6773 for linkunit in $LIBRARY_LIST $PROGRAM_LIST $EXTRALIBS_LIST; do
6774 eval ${linkunit}_extralibs=\$\(flatten_extralibs_wrapper ${linkunit}_extralibs\)
6777 map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST
6779 for thread in $THREADS_LIST; do
6780 if enabled $thread; then
6781 test -n "$thread_type" &&
6782 die "ERROR: Only one thread type must be selected." ||
6783 thread_type="$thread"
6787 if disabled stdatomic; then
6788 if enabled atomics_gcc; then
6789 add_cppflags '-I\$(SRC_PATH)/compat/atomics/gcc'
6790 elif enabled atomics_win32; then
6791 add_cppflags '-I\$(SRC_PATH)/compat/atomics/win32'
6792 elif enabled atomics_suncc; then
6793 add_cppflags '-I\$(SRC_PATH)/compat/atomics/suncc'
6794 elif enabled pthreads; then
6795 add_compat atomics/pthread/stdatomic.o
6796 add_cppflags '-I\$(SRC_PATH)/compat/atomics/pthread'
6798 enabled threads && die "Threading is enabled, but no atomics are available"
6799 add_cppflags '-I\$(SRC_PATH)/compat/atomics/dummy'
6803 # Check if requested libraries were found.
6804 for lib in $AUTODETECT_LIBS; do
6805 requested $lib && ! enabled $lib && die "ERROR: $lib requested but not found";
6808 enabled zlib && add_cppflags -DZLIB_CONST
6810 # conditional library dependencies, in linking order
6811 enabled afftfilt_filter && prepend avfilter_deps "avcodec"
6812 enabled afir_filter && prepend avfilter_deps "avcodec"
6813 enabled amovie_filter && prepend avfilter_deps "avformat avcodec"
6814 enabled aresample_filter && prepend avfilter_deps "swresample"
6815 enabled atempo_filter && prepend avfilter_deps "avcodec"
6816 enabled cover_rect_filter && prepend avfilter_deps "avformat avcodec"
6817 enabled convolve_filter && prepend avfilter_deps "avcodec"
6818 enabled deconvolve_filter && prepend avfilter_deps "avcodec"
6819 enabled ebur128_filter && enabled swresample && prepend avfilter_deps "swresample"
6820 enabled elbg_filter && prepend avfilter_deps "avcodec"
6821 enabled fftfilt_filter && prepend avfilter_deps "avcodec"
6822 enabled find_rect_filter && prepend avfilter_deps "avformat avcodec"
6823 enabled firequalizer_filter && prepend avfilter_deps "avcodec"
6824 enabled mcdeint_filter && prepend avfilter_deps "avcodec"
6825 enabled movie_filter && prepend avfilter_deps "avformat avcodec"
6826 enabled pan_filter && prepend avfilter_deps "swresample"
6827 enabled pp_filter && prepend avfilter_deps "postproc"
6828 enabled removelogo_filter && prepend avfilter_deps "avformat avcodec swscale"
6829 enabled resample_filter && prepend avfilter_deps "avresample"
6830 enabled sab_filter && prepend avfilter_deps "swscale"
6831 enabled scale_filter && prepend avfilter_deps "swscale"
6832 enabled scale2ref_filter && prepend avfilter_deps "swscale"
6833 enabled sofalizer_filter && prepend avfilter_deps "avcodec"
6834 enabled showcqt_filter && prepend avfilter_deps "avformat avcodec swscale"
6835 enabled showfreqs_filter && prepend avfilter_deps "avcodec"
6836 enabled showspectrum_filter && prepend avfilter_deps "avcodec"
6837 enabled signature_filter && prepend avfilter_deps "avcodec avformat"
6838 enabled smartblur_filter && prepend avfilter_deps "swscale"
6839 enabled spectrumsynth_filter && prepend avfilter_deps "avcodec"
6840 enabled spp_filter && prepend avfilter_deps "avcodec"
6841 enabled sr_filter && prepend avfilter_deps "avformat swscale"
6842 enabled subtitles_filter && prepend avfilter_deps "avformat avcodec"
6843 enabled uspp_filter && prepend avfilter_deps "avcodec"
6844 enabled zoompan_filter && prepend avfilter_deps "swscale"
6846 enabled lavfi_indev && prepend avdevice_deps "avfilter"
6849 enabled sdl2_outdev && add_cflags $(filter_out '-Dmain=SDL_main' $sdl2_cflags)
6851 enabled opus_decoder && prepend avcodec_deps "swresample"
6855 eval "deps=\$$lib_deps"
6856 append $lib_deps $(map 'eval echo \$${v}_deps' $deps)
6860 #we have to remove gpl from the deps here as some code assumes all lib deps are libs
6861 postproc_deps="$(filter_out 'gpl' $postproc_deps)"
6863 map 'expand_deps $v' $LIBRARY_LIST
6865 if test "$quiet" != "yes"; then
6867 echo "install prefix $prefix"
6868 echo "source path $source_path"
6869 echo "C compiler $cc"
6870 echo "C library $libc_type"
6871 if test "$host_cc" != "$cc"; then
6872 echo "host C compiler $host_cc"
6873 echo "host C library $host_libc_type"
6875 echo "ARCH $arch ($cpu)"
6876 if test "$build_suffix" != ""; then
6877 echo "build suffix $build_suffix"
6879 if test "$progs_suffix" != ""; then
6880 echo "progs suffix $progs_suffix"
6882 if test "$extra_version" != ""; then
6883 echo "version string suffix $extra_version"
6885 echo "big-endian ${bigendian-no}"
6886 echo "runtime cpu detection ${runtime_cpudetect-no}"
6887 if enabled x86; then
6888 echo "standalone assembly ${x86asm-no}"
6889 echo "x86 assembler ${x86asmexe}"
6890 echo "MMX enabled ${mmx-no}"
6891 echo "MMXEXT enabled ${mmxext-no}"
6892 echo "3DNow! enabled ${amd3dnow-no}"
6893 echo "3DNow! extended enabled ${amd3dnowext-no}"
6894 echo "SSE enabled ${sse-no}"
6895 echo "SSSE3 enabled ${ssse3-no}"
6896 echo "AESNI enabled ${aesni-no}"
6897 echo "AVX enabled ${avx-no}"
6898 echo "AVX2 enabled ${avx2-no}"
6899 echo "AVX-512 enabled ${avx512-no}"
6900 echo "XOP enabled ${xop-no}"
6901 echo "FMA3 enabled ${fma3-no}"
6902 echo "FMA4 enabled ${fma4-no}"
6903 echo "i686 features enabled ${i686-no}"
6904 echo "CMOV is fast ${fast_cmov-no}"
6905 echo "EBX available ${ebx_available-no}"
6906 echo "EBP available ${ebp_available-no}"
6908 if enabled aarch64; then
6909 echo "NEON enabled ${neon-no}"
6910 echo "VFP enabled ${vfp-no}"
6912 if enabled arm; then
6913 echo "ARMv5TE enabled ${armv5te-no}"
6914 echo "ARMv6 enabled ${armv6-no}"
6915 echo "ARMv6T2 enabled ${armv6t2-no}"
6916 echo "VFP enabled ${vfp-no}"
6917 echo "NEON enabled ${neon-no}"
6918 echo "THUMB enabled ${thumb-no}"
6920 if enabled mips; then
6921 echo "MIPS FPU enabled ${mipsfpu-no}"
6922 echo "MIPS DSP R1 enabled ${mipsdsp-no}"
6923 echo "MIPS DSP R2 enabled ${mipsdspr2-no}"
6924 echo "MIPS MSA enabled ${msa-no}"
6925 echo "LOONGSON MMI enabled ${mmi-no}"
6927 if enabled ppc; then
6928 echo "AltiVec enabled ${altivec-no}"
6929 echo "VSX enabled ${vsx-no}"
6930 echo "POWER8 enabled ${power8-no}"
6931 echo "PPC 4xx optimizations ${ppc4xx-no}"
6932 echo "dcbzl available ${dcbzl-no}"
6934 echo "debug symbols ${debug-no}"
6935 echo "strip symbols ${stripping-no}"
6936 echo "optimize for size ${small-no}"
6937 echo "optimizations ${optimizations-no}"
6938 echo "static ${static-no}"
6939 echo "shared ${shared-no}"
6940 echo "postprocessing support ${postproc-no}"
6941 echo "network support ${network-no}"
6942 echo "threading support ${thread_type-no}"
6943 echo "safe bitstream reader ${safe_bitstream_reader-no}"
6944 echo "texi2html enabled ${texi2html-no}"
6945 echo "perl enabled ${perl-no}"
6946 echo "pod2man enabled ${pod2man-no}"
6947 echo "makeinfo enabled ${makeinfo-no}"
6948 echo "makeinfo supports HTML ${makeinfo_html-no}"
6949 test -n "$random_seed" &&
6950 echo "random seed ${random_seed}"
6953 echo "External libraries:"
6954 print_enabled '' $EXTERNAL_LIBRARY_LIST $EXTERNAL_AUTODETECT_LIBRARY_LIST | print_in_columns
6957 echo "External libraries providing hardware acceleration:"
6958 print_enabled '' $HWACCEL_LIBRARY_LIST $HWACCEL_AUTODETECT_LIBRARY_LIST | print_in_columns
6962 print_enabled '' $LIBRARY_LIST | print_in_columns
6966 print_enabled '' $PROGRAM_LIST | print_in_columns
6969 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
6970 echo "Enabled ${type}s:"
6971 eval list=\$$(toupper $type)_LIST
6972 print_enabled '_*' $list | print_in_columns
6976 if test -n "$ignore_tests"; then
6977 ignore_tests=$(echo $ignore_tests | tr ',' ' ')
6978 echo "Ignored FATE tests:"
6979 echo $ignore_tests | print_in_columns
6983 echo "License: $license"
6985 fi # test "$quiet" != "yes"
6987 if test -n "$WARNINGS"; then
6988 printf "\n%s%s$WARNINGS%s" "$warn_color" "$bold_color" "$reset_color"
6989 enabled fatal_warnings && exit 1
6992 test -e Makefile || echo "include $source_path/Makefile" > Makefile
6995 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
6998 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" > ffbuild/config.fate
7000 enabled stripping || strip="echo skipping strip"
7001 enabled stripping || striptype=""
7003 config_files="$TMPH ffbuild/config.mak doc/config.texi"
7005 cat > ffbuild/config.mak <<EOF
7006 # Automatically generated by configure - do not modify!
7007 ifndef FFMPEG_CONFIG_MAK
7009 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
7011 LIBDIR=\$(DESTDIR)$libdir
7012 SHLIBDIR=\$(DESTDIR)$shlibdir
7013 INCDIR=\$(DESTDIR)$incdir
7014 BINDIR=\$(DESTDIR)$bindir
7015 DATADIR=\$(DESTDIR)$datadir
7016 DOCDIR=\$(DESTDIR)$docdir
7017 MANDIR=\$(DESTDIR)$mandir
7018 PKGCONFIGDIR=\$(DESTDIR)$pkgconfigdir
7019 INSTALL_NAME_DIR=$install_name_dir
7020 SRC_PATH=$source_path
7021 SRC_LINK=$source_link
7022 ifndef MAIN_MAKEFILE
7023 SRC_PATH:=\$(SRC_PATH:.%=..%)
7027 INTRINSICS=$intrinsics
7028 EXTERN_PREFIX=$extern_prefix
7035 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
7037 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
7039 DEPX86ASM=$x86asmexe
7040 DEPX86ASMFLAGS=\$(X86ASMFLAGS)
7048 STRIPTYPE=$striptype
7055 OBJCFLAGS=$OBJCFLAGS
7057 NVCCFLAGS=$nvccflags
7079 LDEXEFLAGS=$LDEXEFLAGS
7080 LDSOFLAGS=$LDSOFLAGS
7081 SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
7082 ASMSTRIPFLAGS=$ASMSTRIPFLAGS
7083 X86ASMFLAGS=$X86ASMFLAGS
7084 BUILDSUF=$build_suffix
7085 PROGSSUF=$progs_suffix
7093 EXTRA_VERSION=$extra_version
7096 CCDEP_FLAGS=$CCDEP_FLAGS
7098 ASDEP_FLAGS=$ASDEP_FLAGS
7099 X86ASMDEP=$X86ASMDEP
7100 X86ASMDEP_FLAGS=$X86ASMDEP_FLAGS
7101 CC_DEPFLAGS=$CC_DEPFLAGS
7102 AS_DEPFLAGS=$AS_DEPFLAGS
7103 X86ASM_DEPFLAGS=$X86ASM_DEPFLAGS
7106 HOSTCFLAGS=$host_cflags
7107 HOSTCPPFLAGS=$host_cppflags
7108 HOSTEXESUF=$HOSTEXESUF
7109 HOSTLDFLAGS=$host_ldflags
7110 HOSTEXTRALIBS=$host_extralibs
7112 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
7113 HOSTCCDEP=$HOSTCCDEP
7114 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
7115 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
7119 TARGET_EXEC=$target_exec $target_exec_args
7120 TARGET_PATH=$target_path
7121 TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}
7122 CFLAGS-ffplay=${sdl2_cflags}
7123 CFLAGS_HEADERS=$CFLAGS_HEADERS
7124 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
7125 EXTRALIBS=$extralibs
7126 COMPAT_OBJS=$compat_objs
7128 LIBTARGET=${LIBTARGET}
7129 SLIBNAME=${SLIBNAME}
7130 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
7131 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
7132 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
7133 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
7134 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
7135 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
7136 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
7137 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
7138 VERSION_SCRIPT_POSTPROCESS_CMD=${VERSION_SCRIPT_POSTPROCESS_CMD}
7139 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
7140 NOREDZONE_FLAGS=$noredzone_flags
7141 LIBFUZZER_PATH=$libfuzzer_path
7142 IGNORE_TESTS=$ignore_tests
7145 map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> ffbuild/config.mak' $LIBRARY_LIST
7147 for entry in $LIBRARY_LIST $PROGRAM_LIST $EXTRALIBS_LIST; do
7148 eval echo "EXTRALIBS-${entry}=\$${entry}_extralibs" >> ffbuild/config.mak
7152 /* Automatically generated by configure - do not modify! */
7153 #ifndef FFMPEG_CONFIG_H
7154 #define FFMPEG_CONFIG_H
7155 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
7156 #define FFMPEG_LICENSE "$(c_escape $license)"
7157 #define CONFIG_THIS_YEAR 2018
7158 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
7159 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
7160 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
7161 #define av_restrict $restrict_keyword
7162 #define EXTERN_PREFIX "${extern_prefix}"
7163 #define EXTERN_ASM ${extern_prefix}
7164 #define BUILDSUF "$build_suffix"
7165 #define SLIBSUF "$SLIBSUF"
7166 #define HAVE_MMX2 HAVE_MMXEXT
7167 #define SWS_MAX_FILTER_SIZE $sws_max_filter_size
7170 test -n "$assert_level" &&
7171 echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
7173 test -n "$malloc_prefix" &&
7174 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
7176 if enabled x86asm; then
7177 append config_files $TMPASM
7179 ; Automatically generated by configure - do not modify!
7183 enabled getenv || echo "#define getenv(x) NULL" >> $TMPH
7189 echo "@c auto-generated by configure - do not modify! " > doc/config.texi
7191 print_config ARCH_ "$config_files" $ARCH_LIST
7192 print_config HAVE_ "$config_files" $HAVE_LIST
7193 print_config CONFIG_ "$config_files" $CONFIG_LIST \
7197 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
7198 echo "endif # FFMPEG_CONFIG_MAK" >> ffbuild/config.mak
7200 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
7201 cp_if_changed $TMPH config.h
7202 touch ffbuild/.config
7204 enabled x86asm && cp_if_changed $TMPASM config.asm
7207 /* Generated by ffmpeg configure */
7208 #ifndef AVUTIL_AVCONFIG_H
7209 #define AVUTIL_AVCONFIG_H
7212 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
7214 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
7216 cp_if_changed $TMPH libavutil/avconfig.h
7219 sed -n "s/^extern AVFilter ff_\([avfsinkrc]\{2,5\}\)_$1;/\1_$1/p" $source_path/libavfilter/allfilters.c
7222 # generate the lists of enabled components
7223 print_enabled_components(){
7228 echo "static const $struct_name * const $name[] = {" > $TMPH
7233 c=$(full_filter_name $(remove_suffix _filter $c))
7236 c=$(add_suffix _demuxer $(remove_suffix _indev $c))
7239 c=$(add_suffix _muxer $(remove_suffix _outdev $c))
7242 printf " &ff_%s,\n" $c >> $TMPH
7245 if [ "$name" = "filter_list" ]; then
7246 for c in asrc_abuffer vsrc_buffer asink_abuffer vsink_buffer; do
7247 printf " &ff_%s,\n" $c >> $TMPH
7250 echo " NULL };" >> $TMPH
7251 cp_if_changed $TMPH $file
7254 print_enabled_components libavfilter/filter_list.c AVFilter filter_list $FILTER_LIST
7255 print_enabled_components libavcodec/codec_list.c AVCodec codec_list $CODEC_LIST
7256 print_enabled_components libavcodec/parser_list.c AVCodecParser parser_list $PARSER_LIST
7257 print_enabled_components libavcodec/bsf_list.c AVBitStreamFilter bitstream_filters $BSF_LIST
7258 print_enabled_components libavformat/demuxer_list.c AVInputFormat demuxer_list $DEMUXER_LIST
7259 print_enabled_components libavformat/muxer_list.c AVOutputFormat muxer_list $MUXER_LIST
7260 print_enabled_components libavdevice/indev_list.c AVInputFormat indev_list $INDEV_LIST
7261 print_enabled_components libavdevice/outdev_list.c AVOutputFormat outdev_list $OUTDEV_LIST
7262 print_enabled_components libavformat/protocol_list.c URLProtocol url_protocols $PROTOCOL_LIST
7264 # Settings for pkg-config files
7267 # Automatically generated by configure - do not modify!
7269 build_suffix=$build_suffix
7273 rpath=$(enabled rpath && echo "-Wl,-rpath,\${libdir}")
7274 source_path=${source_path}
7277 extralibs_avutil="$avutil_extralibs"
7278 extralibs_avcodec="$avcodec_extralibs"
7279 extralibs_avformat="$avformat_extralibs"
7280 extralibs_avdevice="$avdevice_extralibs"
7281 extralibs_avfilter="$avfilter_extralibs"
7282 extralibs_avresample="$avresample_extralibs"
7283 extralibs_postproc="$postproc_extralibs"
7284 extralibs_swscale="$swscale_extralibs"
7285 extralibs_swresample="$swresample_extralibs"
7288 for lib in $LIBRARY_LIST; do
7289 lib_deps="$(eval echo \$${lib}_deps)"
7290 echo ${lib}_deps=\"$lib_deps\" >> $TMPH
7293 cp_if_changed $TMPH ffbuild/config.sh