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
119 --disable-ffserver disable ffserver build
121 Documentation options:
122 --disable-doc do not build documentation
123 --disable-htmlpages do not build HTML documentation pages
124 --disable-manpages do not build man documentation pages
125 --disable-podpages do not build POD documentation pages
126 --disable-txtpages do not build text documentation pages
129 --disable-avdevice disable libavdevice build
130 --disable-avcodec disable libavcodec build
131 --disable-avformat disable libavformat build
132 --disable-swresample disable libswresample build
133 --disable-swscale disable libswscale build
134 --disable-postproc disable libpostproc build
135 --disable-avfilter disable libavfilter build
136 --enable-avresample enable libavresample build [no]
137 --disable-pthreads disable pthreads [autodetect]
138 --disable-w32threads disable Win32 threads [autodetect]
139 --disable-os2threads disable OS/2 threads [autodetect]
140 --disable-network disable network support [no]
141 --disable-dct disable DCT code
142 --disable-dwt disable DWT code
143 --disable-error-resilience disable error resilience code
144 --disable-lsp disable LSP code
145 --disable-lzo disable LZO decoder code
146 --disable-mdct disable MDCT code
147 --disable-rdft disable RDFT code
148 --disable-fft disable FFT code
149 --disable-faan disable floating point AAN (I)DCT code
150 --disable-pixelutils disable pixel utils in libavutil
152 Individual component options:
153 --disable-everything disable all components listed below
154 --disable-encoder=NAME disable encoder NAME
155 --enable-encoder=NAME enable encoder NAME
156 --disable-encoders disable all encoders
157 --disable-decoder=NAME disable decoder NAME
158 --enable-decoder=NAME enable decoder NAME
159 --disable-decoders disable all decoders
160 --disable-hwaccel=NAME disable hwaccel NAME
161 --enable-hwaccel=NAME enable hwaccel NAME
162 --disable-hwaccels disable all hwaccels
163 --disable-muxer=NAME disable muxer NAME
164 --enable-muxer=NAME enable muxer NAME
165 --disable-muxers disable all muxers
166 --disable-demuxer=NAME disable demuxer NAME
167 --enable-demuxer=NAME enable demuxer NAME
168 --disable-demuxers disable all demuxers
169 --enable-parser=NAME enable parser NAME
170 --disable-parser=NAME disable parser NAME
171 --disable-parsers disable all parsers
172 --enable-bsf=NAME enable bitstream filter NAME
173 --disable-bsf=NAME disable bitstream filter NAME
174 --disable-bsfs disable all bitstream filters
175 --enable-protocol=NAME enable protocol NAME
176 --disable-protocol=NAME disable protocol NAME
177 --disable-protocols disable all protocols
178 --enable-indev=NAME enable input device NAME
179 --disable-indev=NAME disable input device NAME
180 --disable-indevs disable input devices
181 --enable-outdev=NAME enable output device NAME
182 --disable-outdev=NAME disable output device NAME
183 --disable-outdevs disable output devices
184 --disable-devices disable all devices
185 --enable-filter=NAME enable filter NAME
186 --disable-filter=NAME disable filter NAME
187 --disable-filters disable all filters
189 External library support:
191 Using any of the following switches will allow FFmpeg to link to the
192 corresponding external library. All the components depending on that library
193 will become enabled, if all their other dependencies are met and they are not
194 explicitly disabled. E.g. --enable-libwavpack will enable linking to
195 libwavpack and allow the libwavpack encoder to be built, unless it is
196 specifically disabled with --disable-encoder=libwavpack.
198 Note that only the system libraries are auto-detected. All the other external
199 libraries must be explicitly enabled.
201 Also note that the following help text describes the purpose of the libraries
202 themselves, not all their features will necessarily be usable by FFmpeg.
204 --disable-alsa disable ALSA support [autodetect]
205 --disable-appkit disable Apple AppKit framework [autodetect]
206 --disable-avfoundation disable Apple AVFoundation framework [autodetect]
207 --enable-avisynth enable reading of AviSynth script files [no]
208 --disable-bzlib disable bzlib [autodetect]
209 --disable-coreimage disable Apple CoreImage framework [autodetect]
210 --enable-chromaprint enable audio fingerprinting with chromaprint [no]
211 --enable-frei0r enable frei0r video filtering [no]
212 --enable-gcrypt enable gcrypt, needed for rtmp(t)e support
213 if openssl, librtmp or gmp is not used [no]
214 --enable-gmp enable gmp, needed for rtmp(t)e support
215 if openssl or librtmp is not used [no]
216 --enable-gnutls enable gnutls, needed for https support
217 if openssl or libtls is not used [no]
218 --disable-iconv disable iconv [autodetect]
219 --enable-jni enable JNI support [no]
220 --enable-ladspa enable LADSPA audio filtering [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-libdc1394 enable IIDC-1394 grabbing using libdc1394
230 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
231 --enable-libflite enable flite (voice synthesis) support via libflite [no]
232 --enable-libfontconfig enable libfontconfig, useful for drawtext filter [no]
233 --enable-libfreetype enable libfreetype, needed for drawtext filter [no]
234 --enable-libfribidi enable libfribidi, improves drawtext filter [no]
235 --enable-libgme enable Game Music Emu via libgme [no]
236 --enable-libgsm enable GSM de/encoding via libgsm [no]
237 --enable-libiec61883 enable iec61883 via libiec61883 [no]
238 --enable-libilbc enable iLBC de/encoding via libilbc [no]
239 --enable-libjack enable JACK audio sound server [no]
240 --enable-libkvazaar enable HEVC encoding via libkvazaar [no]
241 --enable-libmodplug enable ModPlug via libmodplug [no]
242 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
243 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
244 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
245 --enable-libopencv enable video filtering via libopencv [no]
246 --enable-libopenh264 enable H.264 encoding via OpenH264 [no]
247 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
248 --enable-libopenmpt enable decoding tracked files via libopenmpt [no]
249 --enable-libopus enable Opus de/encoding via libopus [no]
250 --enable-libpulse enable Pulseaudio input via libpulse [no]
251 --enable-librsvg enable SVG rasterization via librsvg [no]
252 --enable-librubberband enable rubberband needed for rubberband filter [no]
253 --enable-librtmp enable RTMP[E] support via librtmp [no]
254 --enable-libshine enable fixed-point MP3 encoding via libshine [no]
255 --enable-libsmbclient enable Samba protocol via libsmbclient [no]
256 --enable-libsnappy enable Snappy compression, needed for hap encoding [no]
257 --enable-libsoxr enable Include libsoxr resampling [no]
258 --enable-libspeex enable Speex de/encoding via libspeex [no]
259 --enable-libssh enable SFTP protocol via libssh [no]
260 --enable-libtesseract enable Tesseract, needed for ocr filter [no]
261 --enable-libtheora enable Theora encoding via libtheora [no]
262 --enable-libtls enable LibreSSL (via libtls), needed for https support
263 if openssl or gnutls is not used [no]
264 --enable-libtwolame enable MP2 encoding via libtwolame [no]
265 --enable-libv4l2 enable libv4l2/v4l-utils [no]
266 --enable-libvidstab enable video stabilization using vid.stab [no]
267 --enable-libvmaf enable vmaf filter via libvmaf [no]
268 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
269 --enable-libvorbis enable Vorbis en/decoding via libvorbis,
270 native implementation exists [no]
271 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
272 --enable-libwavpack enable wavpack encoding via libwavpack [no]
273 --enable-libwebp enable WebP encoding via libwebp [no]
274 --enable-libx264 enable H.264 encoding via x264 [no]
275 --enable-libx265 enable HEVC encoding via x265 [no]
276 --enable-libxavs enable AVS encoding via xavs [no]
277 --enable-libxcb enable X11 grabbing using XCB [autodetect]
278 --enable-libxcb-shm enable X11 grabbing shm communication [autodetect]
279 --enable-libxcb-xfixes enable X11 grabbing mouse rendering [autodetect]
280 --enable-libxcb-shape enable X11 grabbing shape rendering [autodetect]
281 --enable-libxvid enable Xvid encoding via xvidcore,
282 native MPEG-4/Xvid encoder exists [no]
283 --enable-libxml2 enable XML parsing using the C library libxml2 [no]
284 --enable-libzimg enable z.lib, needed for zscale filter [no]
285 --enable-libzmq enable message passing via libzmq [no]
286 --enable-libzvbi enable teletext support via libzvbi [no]
287 --enable-lv2 enable LV2 audio filtering [no]
288 --disable-lzma disable lzma [autodetect]
289 --enable-decklink enable Blackmagic DeckLink I/O support [no]
290 --enable-libndi_newtek enable Newteck NDI I/O support [no]
291 --enable-mediacodec enable Android MediaCodec support [no]
292 --enable-libmysofa enable libmysofa, needed for sofalizer filter [no]
293 --enable-openal enable OpenAL 1.1 capture support [no]
294 --enable-opencl enable OpenCL processing [no]
295 --enable-opengl enable OpenGL rendering [no]
296 --enable-openssl enable openssl, needed for https support
297 if gnutls or libtls is not used [no]
298 --disable-sndio disable sndio support [autodetect]
299 --disable-schannel disable SChannel SSP, needed for TLS support on
300 Windows if openssl and gnutls are not used [autodetect]
301 --disable-sdl2 disable sdl2 [autodetect]
302 --disable-securetransport disable Secure Transport, needed for TLS support
303 on OSX if openssl and gnutls are not used [autodetect]
304 --disable-xlib disable xlib [autodetect]
305 --disable-zlib disable zlib [autodetect]
307 The following libraries provide various hardware acceleration features:
308 --disable-amf disable AMF video encoding code [autodetect]
309 --disable-audiotoolbox disable Apple AudioToolbox code [autodetect]
310 --disable-cuda disable dynamically linked Nvidia CUDA code [autodetect]
311 --enable-cuda-sdk enable CUDA features that require the CUDA SDK [no]
312 --disable-cuvid disable Nvidia CUVID support [autodetect]
313 --disable-d3d11va disable Microsoft Direct3D 11 video acceleration code [autodetect]
314 --disable-dxva2 disable Microsoft DirectX 9 video acceleration code [autodetect]
315 --enable-libdrm enable DRM code (Linux) [no]
316 --enable-libmfx enable Intel MediaSDK (AKA Quick Sync Video) code via libmfx [no]
317 --enable-libnpp enable Nvidia Performance Primitives-based code [no]
318 --enable-mmal enable Broadcom Multi-Media Abstraction Layer (Raspberry Pi) via MMAL [no]
319 --disable-nvdec disable Nvidia video decoding acceleration (via hwaccel) [autodetect]
320 --disable-nvenc disable Nvidia video encoding code [autodetect]
321 --enable-omx enable OpenMAX IL code [no]
322 --enable-omx-rpi enable OpenMAX IL code for Raspberry Pi [no]
323 --enable-rkmpp enable Rockchip Media Process Platform code [no]
324 --disable-v4l2-m2m disable V4L2 mem2mem code [autodetect]
325 --disable-vaapi disable Video Acceleration API (mainly Unix/Intel) code [autodetect]
326 --disable-vdpau disable Nvidia Video Decode and Presentation API for Unix code [autodetect]
327 --disable-videotoolbox disable VideoToolbox code [autodetect]
330 --arch=ARCH select architecture [$arch]
331 --cpu=CPU select the minimum required CPU (affects
332 instruction selection, may crash on older CPUs)
333 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
334 --progs-suffix=SUFFIX program name suffix []
335 --enable-cross-compile assume a cross-compiler is used
336 --sysroot=PATH root of cross-build tree
337 --sysinclude=PATH location of cross-build system headers
338 --target-os=OS compiler targets OS [$target_os]
339 --target-exec=CMD command to run executables on target
340 --target-path=DIR path to view of build directory on target
341 --target-samples=DIR path to samples directory on target
342 --tempprefix=PATH force fixed dir/prefix instead of mktemp for checks
343 --toolchain=NAME set tool defaults according to NAME
344 --nm=NM use nm tool NM [$nm_default]
345 --ar=AR use archive tool AR [$ar_default]
346 --as=AS use assembler AS [$as_default]
347 --ln_s=LN_S use symbolic link tool LN_S [$ln_s_default]
348 --strip=STRIP use strip tool STRIP [$strip_default]
349 --windres=WINDRES use windows resource compiler WINDRES [$windres_default]
350 --x86asmexe=EXE use nasm-compatible assembler EXE [$x86asmexe_default]
351 --cc=CC use C compiler CC [$cc_default]
352 --cxx=CXX use C compiler CXX [$cxx_default]
353 --objcc=OCC use ObjC compiler OCC [$cc_default]
354 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
355 --nvcc=NVCC use Nvidia CUDA compiler NVCC [$nvcc_default]
356 --ld=LD use linker LD [$ld_default]
357 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
358 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
359 --ranlib=RANLIB use ranlib RANLIB [$ranlib_default]
360 --doxygen=DOXYGEN use DOXYGEN to generate API doc [$doxygen_default]
361 --host-cc=HOSTCC use host C compiler HOSTCC
362 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
363 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
364 --host-ld=HOSTLD use host linker HOSTLD
365 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
366 --host-libs=HLIBS use libs HLIBS when linking for host
367 --host-os=OS compiler host OS [$target_os]
368 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
369 --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
370 --extra-objcflags=FLAGS add FLAGS to OBJCFLAGS [$CFLAGS]
371 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
372 --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
373 --extra-ldsoflags=ELDFLAGS add ELDFLAGS to LDSOFLAGS [$LDSOFLAGS]
374 --extra-libs=ELIBS add ELIBS [$ELIBS]
375 --extra-version=STRING version string suffix []
376 --optflags=OPTFLAGS override optimization-related compiler flags
377 --nvccflags=NVCCFLAGS override nvcc flags [$nvccflags_default]
378 --build-suffix=SUFFIX library name suffix []
379 --enable-pic build position-independent code
380 --enable-thumb compile for Thumb instruction set
381 --enable-lto use link-time optimization
382 --env="ENV=override" override the environment variables
384 Advanced options (experts only):
385 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
386 --custom-allocator=NAME use a supported custom allocator
387 --disable-symver disable symbol versioning
388 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
389 --disable-safe-bitstream-reader
390 disable buffer boundary checking in bitreaders
391 (faster, but may crash)
392 --sws-max-filter-size=N the max filter size swscale uses [$sws_max_filter_size_default]
394 Optimization options (experts only):
395 --disable-asm disable all assembly optimizations
396 --disable-altivec disable AltiVec optimizations
397 --disable-vsx disable VSX optimizations
398 --disable-power8 disable POWER8 optimizations
399 --disable-amd3dnow disable 3DNow! optimizations
400 --disable-amd3dnowext disable 3DNow! extended optimizations
401 --disable-mmx disable MMX optimizations
402 --disable-mmxext disable MMXEXT optimizations
403 --disable-sse disable SSE optimizations
404 --disable-sse2 disable SSE2 optimizations
405 --disable-sse3 disable SSE3 optimizations
406 --disable-ssse3 disable SSSE3 optimizations
407 --disable-sse4 disable SSE4 optimizations
408 --disable-sse42 disable SSE4.2 optimizations
409 --disable-avx disable AVX optimizations
410 --disable-xop disable XOP optimizations
411 --disable-fma3 disable FMA3 optimizations
412 --disable-fma4 disable FMA4 optimizations
413 --disable-avx2 disable AVX2 optimizations
414 --disable-avx512 disable AVX-512 optimizations
415 --disable-aesni disable AESNI optimizations
416 --disable-armv5te disable armv5te optimizations
417 --disable-armv6 disable armv6 optimizations
418 --disable-armv6t2 disable armv6t2 optimizations
419 --disable-vfp disable VFP optimizations
420 --disable-neon disable NEON optimizations
421 --disable-inline-asm disable use of inline assembly
422 --disable-x86asm disable use of standalone x86 assembly
423 --disable-mipsdsp disable MIPS DSP ASE R1 optimizations
424 --disable-mipsdspr2 disable MIPS DSP ASE R2 optimizations
425 --disable-msa disable MSA optimizations
426 --disable-mipsfpu disable floating point MIPS optimizations
427 --disable-mmi disable Loongson SIMD optimizations
428 --disable-fast-unaligned consider unaligned accesses slow
430 Developer options (useful when working on FFmpeg itself):
431 --disable-debug disable debugging symbols
432 --enable-debug=LEVEL set the debug level [$debuglevel]
433 --disable-optimizations disable compiler optimizations
434 --enable-extra-warnings enable more compiler warnings
435 --disable-stripping disable stripping of executables and shared libraries
436 --assert-level=level 0(default), 1 or 2, amount of assertion testing,
437 2 causes a slowdown at runtime.
438 --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
439 --valgrind=VALGRIND run "make fate" tests through valgrind to detect memory
440 leaks and errors, using the specified valgrind binary.
441 Cannot be combined with --target-exec
442 --enable-ftrapv Trap arithmetic overflows
443 --samples=PATH location of test samples for FATE, if not set use
444 \$FATE_SAMPLES at make invocation time.
445 --enable-neon-clobber-test check NEON registers for clobbering (should be
446 used only for debugging purposes)
447 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
448 should be used only for debugging purposes)
449 --enable-random randomly enable/disable components
451 --enable-random=LIST randomly enable/disable specific components or
452 --disable-random=LIST component groups. LIST is a comma-separated list
453 of NAME[:PROB] entries where NAME is a component
454 (group) and PROB the probability associated with
456 --random-seed=VALUE seed value for --enable/disable-random
457 --disable-valgrind-backtrace do not print a backtrace under Valgrind
458 (only applies to --disable-optimizations builds)
459 --enable-osfuzz Enable building fuzzer tool
460 --libfuzzer=PATH path to libfuzzer
461 --ignore-tests=TESTS comma-separated list (without "fate-" prefix
462 in the name) of tests whose result is ignored
463 --enable-linux-perf enable Linux Performance Monitor API
465 NOTE: Object files are built at the place where configure is launched.
470 if test -t 1 && which tput >/dev/null 2>&1; then
471 ncolors=$(tput colors)
472 if test -n "$ncolors" && test $ncolors -ge 8; then
473 bold_color=$(tput bold)
474 warn_color=$(tput setaf 3)
475 error_color=$(tput setaf 1)
476 reset_color=$(tput sgr0)
478 # 72 used instead of 80 since that's the default of pr
484 echo "$@" >> $logfile
489 pr -n -t $1 >> $logfile
495 WARNINGS="${WARNINGS}WARNING: $*\n"
500 echo "$error_color$bold_color$@$reset_color"
503 If you think configure made a mistake, make sure you are using the latest
504 version from Git. If the latest version fails, report the problem to the
505 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
507 if disabled logging; then
509 Rerun configure with logging enabled (do not use --disable-logging), and
510 include the log this produces with your report.
514 Include the log file "$logfile" produced by configure as this will help
521 # Avoid locale weirdness, besides we really just want to translate ASCII.
523 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
527 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
531 echo "$*" | sed 's/["\\]/\\\0/g'
535 v=$(echo "$1" | sed "s/'/'\\\\''/g")
536 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
541 echo "$@" | sed 's/^ *//;s/[[:space:]][[:space:]]*/ /g;s/ *$//'
548 eval "case '$v' in $pat) printf '%s ' '$v' ;; esac"
556 eval "case '$v' in $pat) ;; *) printf '%s ' '$v' ;; esac"
563 for v; do eval $m; done
569 for v; do echo ${v}${suffix}; done
584 eval : \${$var:=$value}
589 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
595 eval $(sanitize_var_name "$var")='$*'
599 eval echo \$$(sanitize_var_name "$1")
604 eval level=\${${pvar}_level:=0}
605 eval ${pvar}_${level}="\$$pvar"
606 eval ${pvar}_level=$(($level+1))
612 eval level=\${${pvar}_level:-0}
613 test $level = 0 && continue
614 eval level=$(($level-1))
615 eval $pvar="\${${pvar}_${level}}"
616 eval ${pvar}_level=$level
617 eval unset ${pvar}_${level}
623 eval ${var}_requested=yes
646 enable $(sanitize_var_name $var)
652 disable $(sanitize_var_name $var)
658 enabled $var && continue
659 eval sel="\$${var}_select"
660 eval sgs="\$${var}_suggest"
664 enable_deep_weak $sgs
676 disabled $var && continue
685 test "${1#!}" = "$1" && op="=" || op="!="
686 eval test "x\$${1#!}_requested" $op "xyes"
690 test "${1#!}" = "$1" && op="=" || op="!="
691 eval test "x\$${1#!}" $op "xyes"
695 test "${1#!}" = "$1" && op="=" || op="!="
696 eval test "x\$${1#!}" $op "xno"
701 enabled $opt || return 1
707 disabled $opt || return 1
713 enabled $opt && return 0
719 disabled $opt && return 0
726 eval : \${$opt:=\$${opt}_default}
734 [ $var = $value ] && return 0
741 enabled ${cfg}_checking && die "Circular dependency for $cfg."
742 disabled ${cfg}_checking && continue
743 enable ${cfg}_checking
745 eval dep_all="\$${cfg}_deps"
746 eval dep_any="\$${cfg}_deps_any"
747 eval dep_con="\$${cfg}_conflict"
748 eval dep_sel="\$${cfg}_select"
749 eval dep_sgs="\$${cfg}_suggest"
750 eval dep_ifa="\$${cfg}_if"
751 eval dep_ifn="\$${cfg}_if_any"
753 pushvar cfg dep_all dep_any dep_con dep_sel dep_sgs dep_ifa dep_ifn
754 check_deps $dep_all $dep_any $dep_con $dep_sel $dep_sgs $dep_ifa $dep_ifn
755 popvar cfg dep_all dep_any dep_con dep_sel dep_sgs dep_ifa dep_ifn
757 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
758 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
759 enabled_all $dep_all || { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but not all dependencies are satisfied: $dep_all"; }
760 enabled_any $dep_any || { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but not any dependency is satisfied: $dep_any"; }
761 disabled_all $dep_con || { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but some conflicting dependencies are unsatisfied: $dep_con"; }
762 disabled_any $dep_sel && { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but some selected dependency is unsatisfied: $dep_sel"; }
764 enabled $cfg && enable_deep_weak $dep_sel $dep_sgs
766 for dep in $dep_all $dep_any $dep_sel $dep_sgs; do
767 # filter out library deps, these do not belong in extralibs
768 is_in $dep $LIBRARY_LIST && continue
769 enabled $dep && eval append ${cfg}_extralibs ${dep}_extralibs
772 disable ${cfg}_checking
780 map 'eval echo "$v \${$v:-no}"' "$@" |
781 awk "BEGIN { split(\"$files\", files) }
783 c = \"$pfx\" toupper(\$1);
789 if (file ~ /\\.h\$/) {
790 printf(\"#define %s %d\\n\", c, v) >>file;
791 } else if (file ~ /\\.asm\$/) {
792 printf(\"%%define %s %d\\n\", c, v) >>file;
793 } else if (file ~ /\\.mak\$/) {
794 n = -v ? \"\" : \"!\";
795 printf(\"%s%s=yes\\n\", n, c) >>file;
796 } else if (file ~ /\\.texi\$/) {
797 pre = -v ? \"\" : \"@c \";
800 gsub(/_/, \"-\", c2);
801 printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
811 enabled $v && printf "%s\n" ${v%$suf}
818 eval "$var=\"\$$var $*\""
824 eval "$var=\"$* \$$var\""
830 for tok in $(eval echo \$$var); do
831 uniq_list="$(filter_out $tok $uniq_list) $tok"
833 eval "$var=\"${uniq_list}\""
839 for entry in $(eval echo \$$var); do
840 tmpvar="$tmpvar $(eval echo \$${entry})"
842 eval "$var=\"${tmpvar}\""
850 append CFLAGS $($cflags_filter "$@")
853 add_cflags_headers(){
854 append CFLAGS_HEADERS $($cflags_filter "$@")
858 append CXXFLAGS $($cflags_filter "$@")
862 append ASFLAGS $($asflags_filter "$@")
866 append OBJCFLAGS $($objcflags_filter "$@")
870 append LDFLAGS $($ldflags_filter "$@")
874 append LDEXEFLAGS $($ldflags_filter "$@")
878 append LDSOFLAGS $($ldflags_filter "$@")
882 append ASMSTRIPFLAGS "$@"
886 prepend extralibs $($ldflags_filter "$@")
890 append host_cppflags "$@"
894 append host_cflags $($host_cflags_filter "$@")
898 append host_ldflags $($host_ldflags_filter "$@")
902 append compat_objs $1
904 map 'add_cppflags -D$v' "$@"
909 "$@" >> $logfile 2>&1
914 stat "$1" >> $logfile 2>&1
918 eval printf '%s\\n' $CC_O
922 eval printf '%s\\n' $CC_E
929 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
936 check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
943 check_cmd $objcc -Werror=missing-prototypes $CPPFLAGS $CFLAGS $OBJCFLAGS "$@" $OBJCC_C $(cc_o $TMPO) $TMPM
950 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
954 eval printf '%s\\n' $AS_O
961 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
965 log check_inline_asm "$@"
970 check_cc "$@" <<EOF && enable $name
971 void foo(void){ __asm__ volatile($code); }
975 check_inline_asm_flags(){
976 log check_inline_asm_flags "$@"
981 while [ "$1" != "" ]; do
987 void foo(void){ __asm__ volatile($code); }
990 check_cmd $cc $CPPFLAGS $CFLAGS $flags "$@" $CC_C $(cc_o $TMPO) $TMPC &&
991 enable $name && add_cflags $flags && add_asflags $flags && add_ldflags $flags
996 check_inline_asm ${1}_inline "\"$2\""
997 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
1001 log check_x86asm "$@"
1005 check_cmd $x86asmexe $X86ASMFLAGS -Werror "$@" -o $TMPO $TMPS
1009 eval printf '%s\\n' $LD_O
1016 flags=$(filter_out '-l*|*.so' $@)
1017 libs=$(filter '-l*|*.so' $@)
1018 check_$type $($cflags_filter $flags) || return
1019 flags=$($ldflags_filter $flags)
1020 libs=$($ldflags_filter $libs)
1021 check_cmd $ld $LDFLAGS $LDEXEFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
1026 test "${hdr%.h}" = "${hdr}" &&
1027 echo "#include $hdr" ||
1028 echo "#include <$hdr>"
1038 for hdr in $headers; do
1041 echo "int main(void) { $code; return 0; }"
1042 } | check_$check "$@"
1046 log check_cppflags "$@"
1047 check_cpp "$@" <<EOF && append CPPFLAGS "$@"
1053 log test_cflags "$@"
1054 set -- $($cflags_filter "$@")
1061 log check_cflags "$@"
1062 test_cflags "$@" && add_cflags "$@"
1066 log check_cxxflags "$@"
1067 set -- $($cflags_filter "$@")
1068 check_cxx "$@" <<EOF && append CXXFLAGS "$@"
1074 log test_objcflags "$@"
1075 set -- $($objcflags_filter "$@")
1076 check_objcc "$@" <<EOF
1082 log check_objcflags "$@"
1083 test_objcflags "$@" && add_objcflags "$@"
1087 log test_ldflags "$@"
1088 set -- $($ldflags_filter "$@")
1089 check_ld "cc" "$@" <<EOF
1090 int main(void){ return 0; }
1095 log check_ldflags "$@"
1096 test_ldflags "$@" && add_ldflags "$@"
1100 log test_stripflags "$@"
1101 # call check_cc to get a fresh TMPO
1103 int main(void) { return 0; }
1105 check_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO
1109 log check_stripflags "$@"
1110 test_stripflags "$@" && add_stripflags "$@"
1114 log check_header "$@"
1117 disable_sanitized $headers
1119 for hdr in $headers; do
1123 } | check_cpp "$@" && enable_sanitized $headers
1126 check_header_objcc(){
1127 log check_header_objcc "$@"
1131 disable_sanitized $header
1133 echo "#include <$header>"
1134 echo "int main(void) { return 0; }"
1135 } | check_objcc && check_stat "$TMPO" && enable_sanitized $header
1138 check_apple_framework(){
1139 log check_apple_framework "$@"
1141 name="$(tolower $framework)"
1142 header="${framework}/${framework}.h"
1144 check_header_objcc $header &&
1145 enable $name && eval ${name}_extralibs='"-framework $framework"'
1153 check_ld "cc" "$@" <<EOF && enable $func
1155 int main(void){ $func(); }
1159 check_complexfunc(){
1160 log check_complexfunc "$@"
1164 test $narg = 2 && args="f, g" || args="f * I"
1166 check_ld "cc" "$@" <<EOF && enable $func
1167 #include <complex.h>
1169 float foo(complex float f, complex float g) { return $func($args); }
1170 int main(void){ return (int) foo; }
1175 log check_mathfunc "$@"
1179 test $narg = 2 && args="f, g" || args="f"
1181 check_ld "cc" "$@" <<EOF && enable $func
1183 float foo(float f, float g) { return $func($args); }
1184 int main(void){ return (int) foo; }
1188 check_func_headers(){
1189 log check_func_headers "$@"
1194 for hdr in $headers; do
1197 echo "#include <stdint.h>"
1198 for func in $funcs; do
1199 echo "long check_$func(void) { return (long) $func; }"
1201 echo "int main(void) { int ret = 0;"
1202 # LTO could optimize out the test functions without this
1203 for func in $funcs; do
1204 echo " ret |= ((intptr_t)check_$func) & 0xFFFF;"
1206 echo "return ret; }"
1207 } | check_ld "cc" "$@" && enable $funcs && enable_sanitized $headers
1210 check_class_headers_cpp(){
1211 log check_class_headers_cpp "$@"
1216 for hdr in $headers; do
1217 echo "#include <$hdr>"
1219 echo "int main(void) { "
1221 for class in $classes; do
1222 echo "$class obj$i;"
1226 } | check_ld "cxx" "$@" && enable $funcs && enable_sanitized $headers
1229 check_cpp_condition(){
1230 log check_cpp_condition "$@"
1234 check_cpp "$@" <<EOF
1237 #error "unsatisfied condition: $condition"
1243 log test_cflags_cc "$@"
1248 set -- $($cflags_filter "$flags")
1252 #error "unsatisfied condition: $condition"
1264 check_func_headers "$headers" "$funcs" "$@" &&
1265 enable $name && eval ${name}_extralibs="\$@"
1269 log check_lib_cpp "$@"
1275 check_class_headers_cpp "$headers" "$classes" "$@" &&
1276 enable $name && eval ${name}_extralibs="\$@"
1280 log test_pkg_config "$@"
1288 check_cmd $pkg_config --exists --print-errors $pkg_version || return
1289 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1290 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1291 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1293 set_sanitized "${name}_cflags" $pkg_cflags &&
1294 set_sanitized "${name}_extralibs" $pkg_libs
1298 log check_pkg_config "$@"
1300 test_pkg_config "$@" &&
1301 eval add_cflags \$${name}_cflags
1305 check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1309 log check_exec_crash "$@"
1312 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1313 # are safe but may not be available everywhere. Thus we use
1314 # raise(SIGTERM) instead. The check is run in a subshell so we
1315 # can redirect the "Terminated" message from the shell. SIGBUS
1316 # is not defined by standard C so it is used conditionally.
1318 (check_exec "$@") >> $logfile 2>&1 <<EOF
1320 static void sighandler(int sig){
1326 int (*func_ptr)(void) = foo;
1328 signal(SIGILL, sighandler);
1329 signal(SIGFPE, sighandler);
1330 signal(SIGSEGV, sighandler);
1332 signal(SIGBUS, sighandler);
1344 disable_sanitized "$type"
1345 check_code cc "$headers" "$type v" "$@" && enable_sanitized "$type"
1349 log check_struct "$@"
1354 disable_sanitized "${struct}_${member}"
1355 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1356 enable_sanitized "${struct}_${member}"
1360 log check_builtin "$@"
1366 check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1369 check_compile_assert(){
1370 log check_compile_assert "$@"
1376 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1386 check_lib $name "$headers" $func "$@" || die "ERROR: $name_version not found"
1394 check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1398 log require_header "$@"
1401 check_header "$headers" "$@" || die "ERROR: $headers not found"
1404 require_cpp_condition(){
1405 log require_cpp_condition "$@"
1409 check_cpp_condition "$header" "$condition" "$@" || die "ERROR: $condition not satisfied"
1412 require_pkg_config(){
1413 log require_pkg_config "$@"
1415 check_pkg_config "$@" || die "ERROR: $pkg_version not found using pkg-config$pkg_config_fail_message"
1419 eval printf '%s\\n' $HOSTCC_E
1423 eval printf '%s\\n' $HOSTCC_O
1427 log check_host_cc "$@"
1430 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1434 log check_host_cpp "$@"
1437 check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1440 check_host_cppflags(){
1441 log check_host_cppflags "$@"
1442 check_host_cpp "$@" <<EOF && append host_cppflags "$@"
1447 check_host_cflags(){
1448 log check_host_cflags "$@"
1449 set -- $($host_cflags_filter "$@")
1450 check_host_cc "$@" <<EOF && append host_cflags "$@"
1455 check_host_cpp_condition(){
1456 log check_host_cpp_condition "$@"
1460 check_host_cpp "$@" <<EOF
1463 #error "unsatisfied condition: $condition"
1469 cmp -s "$1" "$2" && { test "$quiet" != "yes" && echo "$2 is unchanged"; } && return
1470 mkdir -p "$(dirname $2)"
1474 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1475 # system-dependent things.
1477 AVCODEC_COMPONENTS="
1485 AVDEVICE_COMPONENTS="
1490 AVFILTER_COMPONENTS="
1494 AVFORMAT_COMPONENTS="
1502 $AVDEVICE_COMPONENTS
1503 $AVFILTER_COMPONENTS
1504 $AVFORMAT_COMPONENTS
1508 avio_dir_cmd_example
1509 avio_reading_example
1510 decode_audio_example
1511 decode_video_example
1512 demuxing_decoding_example
1513 encode_audio_example
1514 encode_video_example
1516 filter_audio_example
1517 filtering_audio_example
1518 filtering_video_example
1519 http_multiclient_example
1525 resampling_audio_example
1526 scaling_video_example
1527 transcode_aac_example
1529 vaapi_encode_example
1532 EXTERNAL_AUTODETECT_LIBRARY_LIST="
1552 EXTERNAL_LIBRARY_GPL_LIST="
1564 EXTERNAL_LIBRARY_NONFREE_LIST="
1572 EXTERNAL_LIBRARY_VERSION3_LIST="
1581 EXTERNAL_LIBRARY_GPLV3_LIST="
1585 EXTERNAL_LIBRARY_LIST="
1586 $EXTERNAL_LIBRARY_GPL_LIST
1587 $EXTERNAL_LIBRARY_NONFREE_LIST
1588 $EXTERNAL_LIBRARY_VERSION3_LIST
1589 $EXTERNAL_LIBRARY_GPLV3_LIST
1647 HWACCEL_AUTODETECT_LIBRARY_LIST="
1664 # catchall list of things that require external libs to link
1670 HWACCEL_LIBRARY_NONFREE_LIST="
1675 HWACCEL_LIBRARY_LIST="
1676 $HWACCEL_LIBRARY_NONFREE_LIST
1697 safe_bitstream_reader
1744 # COMPONENT_LIST needs to come last to ensure correct dependency checking
1748 $EXTERNAL_LIBRARY_LIST
1749 $EXTERNAL_AUTODETECT_LIBRARY_LIST
1750 $HWACCEL_LIBRARY_LIST
1751 $HWACCEL_AUTODETECT_LIBRARY_LIST
1783 $EXTERNAL_AUTODETECT_LIBRARY_LIST
1784 $HWACCEL_AUTODETECT_LIBRARY_LIST
1826 ARCH_EXT_LIST_MIPS="
1838 ARCH_EXT_LIST_LOONGSON="
1844 ARCH_EXT_LIST_X86_SIMD="
1874 $ARCH_EXT_LIST_X86_SIMD
1884 $ARCH_EXT_LIST_LOONGSON
1906 sync_val_compare_and_swap
1923 cdio_paranoia_paranoia_h
1926 dev_bktr_ioctl_bt848_h
1927 dev_bktr_ioctl_meteor_h
1929 dev_video_bktr_ioctl_bt848_h
1930 dev_video_meteor_ioctl_meteor_h
1938 machine_ioctl_bt848_h
1939 machine_ioctl_meteor_h
1941 opencv2_core_core_c_h
2004 MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS
2022 GetProcessAffinityMask
2023 GetProcessMemoryInfo
2026 GetSystemTimeAsFileTime
2049 SetConsoleTextAttribute
2050 SetConsoleCtrlHandler
2058 UTGetOSTypeFromString
2070 TOOLCHAIN_FEATURES="
2082 inline_asm_direct_symbol_refs
2084 inline_asm_nonlocal_labels
2095 kCMVideoCodecType_HEVC
2098 struct_group_source_req
2099 struct_ip_mreq_source
2101 struct_msghdr_msg_flags
2103 struct_rusage_ru_maxrss
2104 struct_sctp_event_subscribe
2106 struct_sockaddr_sa_len
2107 struct_sockaddr_storage
2108 struct_stat_st_mtim_tv_nsec
2109 struct_v4l2_frmivalenum_discrete
2114 $(add_suffix _external $ARCH_EXT_LIST)
2115 $(add_suffix _inline $ARCH_EXT_LIST)
2136 opencl_vaapi_beignet
2137 opencl_vaapi_intel_media
2143 # options emitted with CONFIG_ prefix but not available on the command line
2165 frame_thread_encoder
2321 # code dependency declarations
2323 # architecture extensions
2328 armv8_deps="aarch64"
2329 neon_deps_any="aarch64 arm"
2330 intrinsics_neon_deps="neon"
2331 vfp_deps_any="aarch64 arm"
2335 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
2344 loongson2_deps="mips"
2345 loongson3_deps="mips"
2346 mips32r2_deps="mips"
2347 mips32r5_deps="mips"
2348 mips32r6_deps="mips"
2349 mips64r2_deps="mips"
2350 mips64r6_deps="mips"
2353 mipsdspr2_deps="mips"
2358 x86_64_select="i686"
2359 x86_64_suggest="fast_cmov"
2362 amd3dnowext_deps="amd3dnow"
2380 mmx_external_deps="x86asm"
2381 mmx_inline_deps="inline_asm x86"
2382 mmx_suggest="mmx_external mmx_inline"
2384 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
2385 eval dep=\$${ext}_deps
2386 eval ${ext}_external_deps='"${dep}_external"'
2387 eval ${ext}_inline_deps='"${dep}_inline"'
2388 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
2391 aligned_stack_if_any="aarch64 ppc x86"
2392 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
2393 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
2394 fast_unaligned_if_any="aarch64 ppc x86"
2395 simd_align_16_if_any="altivec neon sse"
2396 simd_align_32_if_any="avx"
2397 simd_align_64_if_any="avx512"
2399 # system capabilities
2400 symver_if_any="symver_asm_label symver_gnu_asm"
2401 valgrind_backtrace_conflict="optimizations"
2402 valgrind_backtrace_deps="valgrind_valgrind_h"
2405 atomics_gcc_if="sync_val_compare_and_swap"
2406 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
2407 atomics_win32_if="MemoryBarrier"
2408 atomics_native_if_any="$ATOMICS_LIST"
2409 w32threads_deps="atomics_native"
2410 threads_if_any="$THREADS_LIST"
2413 cbs_h264_select="cbs golomb"
2414 cbs_h265_select="cbs golomb"
2415 cbs_mpeg2_select="cbs"
2417 dirac_parse_select="golomb"
2418 error_resilience_select="me_cmp"
2420 faandct_select="fdctdsp"
2421 faanidct_deps="faan"
2422 faanidct_select="idctdsp"
2423 h264dsp_select="startcode"
2424 hevcparse_select="golomb"
2425 frame_thread_encoder_deps="encoders threads"
2426 intrax8_select="blockdsp idctdsp"
2429 me_cmp_select="fdctdsp idctdsp pixblockdsp"
2430 mpeg_er_select="error_resilience"
2431 mpegaudio_select="mpegaudiodsp mpegaudioheader"
2432 mpegaudiodsp_select="dct"
2433 mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp mpeg_er videodsp"
2434 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
2435 vc1dsp_select="h264chroma qpeldsp startcode"
2438 # decoders / encoders
2439 aac_decoder_select="adts_header mdct15 mdct sinewin"
2440 aac_fixed_decoder_select="mdct sinewin"
2441 aac_encoder_select="audio_frame_queue iirfilter lpc mdct sinewin"
2442 aac_latm_decoder_select="aac_decoder aac_latm_parser"
2443 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
2444 ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"
2445 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
2446 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
2447 adpcm_g722_decoder_select="g722dsp"
2448 adpcm_g722_encoder_select="g722dsp"
2449 aic_decoder_select="golomb idctdsp"
2450 alac_encoder_select="lpc"
2451 als_decoder_select="bswapdsp"
2452 amrnb_decoder_select="lsp"
2453 amrwb_decoder_select="lsp"
2454 amv_decoder_select="sp5x_decoder exif"
2455 amv_encoder_select="aandcttables jpegtables mpegvideoenc"
2456 ape_decoder_select="bswapdsp llauddsp"
2457 apng_decoder_deps="zlib"
2458 apng_encoder_deps="zlib"
2459 apng_encoder_select="llvidencdsp"
2460 aptx_decoder_select="audio_frame_queue"
2461 aptx_encoder_select="audio_frame_queue"
2462 asv1_decoder_select="blockdsp bswapdsp idctdsp"
2463 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
2464 asv2_decoder_select="blockdsp bswapdsp idctdsp"
2465 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
2466 atrac1_decoder_select="mdct sinewin"
2467 atrac3_decoder_select="mdct"
2468 atrac3p_decoder_select="mdct sinewin"
2469 avrn_decoder_select="exif jpegtables"
2470 bink_decoder_select="blockdsp hpeldsp"
2471 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
2472 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
2473 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
2474 clearvideo_decoder_select="idctdsp"
2475 cllc_decoder_select="bswapdsp"
2476 comfortnoise_encoder_select="lpc"
2477 cook_decoder_select="audiodsp mdct sinewin"
2478 cscd_decoder_select="lzo"
2479 cscd_decoder_suggest="zlib"
2480 dca_decoder_select="mdct"
2481 dds_decoder_select="texturedsp"
2482 dirac_decoder_select="dirac_parse dwt golomb videodsp mpegvideoenc"
2483 dnxhd_decoder_select="blockdsp idctdsp"
2484 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
2485 dolby_e_decoder_select="mdct"
2486 dvvideo_decoder_select="dvprofile idctdsp"
2487 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
2488 dxa_decoder_deps="zlib"
2489 dxv_decoder_select="lzf texturedsp"
2490 eac3_decoder_select="ac3_decoder"
2491 eac3_encoder_select="ac3_encoder"
2492 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
2493 eatgq_decoder_select="aandcttables"
2494 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp"
2495 exr_decoder_deps="zlib"
2496 ffv1_decoder_select="rangecoder"
2497 ffv1_encoder_select="rangecoder"
2498 ffvhuff_decoder_select="huffyuv_decoder"
2499 ffvhuff_encoder_select="huffyuv_encoder"
2500 fic_decoder_select="golomb"
2501 flac_decoder_select="flacdsp"
2502 flac_encoder_select="bswapdsp flacdsp lpc"
2503 flashsv2_decoder_deps="zlib"
2504 flashsv2_encoder_deps="zlib"
2505 flashsv_decoder_deps="zlib"
2506 flashsv_encoder_deps="zlib"
2507 flv_decoder_select="h263_decoder"
2508 flv_encoder_select="h263_encoder"
2509 fourxm_decoder_select="blockdsp bswapdsp"
2510 fraps_decoder_select="bswapdsp huffman"
2511 g2m_decoder_deps="zlib"
2512 g2m_decoder_select="blockdsp idctdsp jpegtables"
2513 g729_decoder_select="audiodsp"
2514 h261_decoder_select="mpegvideo"
2515 h261_encoder_select="aandcttables mpegvideoenc"
2516 h263_decoder_select="h263_parser h263dsp mpegvideo qpeldsp"
2517 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
2518 h263i_decoder_select="h263_decoder"
2519 h263p_decoder_select="h263_decoder"
2520 h263p_encoder_select="h263_encoder"
2521 h264_decoder_select="cabac golomb h264chroma h264dsp h264parse h264pred h264qpel videodsp"
2522 h264_decoder_suggest="error_resilience"
2523 hap_decoder_select="snappy texturedsp"
2524 hap_encoder_deps="libsnappy"
2525 hap_encoder_select="texturedspenc"
2526 hevc_decoder_select="bswapdsp cabac golomb hevcparse videodsp"
2527 huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"
2528 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llvidencdsp"
2529 iac_decoder_select="imc_decoder"
2530 imc_decoder_select="bswapdsp fft mdct sinewin"
2531 indeo3_decoder_select="hpeldsp"
2532 indeo4_decoder_select="ividsp"
2533 indeo5_decoder_select="ividsp"
2534 interplay_video_decoder_select="hpeldsp"
2535 jpegls_decoder_select="mjpeg_decoder"
2536 jv_decoder_select="blockdsp"
2537 lagarith_decoder_select="llviddsp"
2538 ljpeg_encoder_select="aandcttables idctdsp jpegtables mpegvideoenc"
2539 magicyuv_decoder_select="llviddsp"
2540 magicyuv_encoder_select="llvidencdsp"
2541 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2542 metasound_decoder_select="lsp mdct sinewin"
2543 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2544 mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"
2545 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
2546 mjpegb_decoder_select="mjpeg_decoder"
2547 mlp_decoder_select="mlp_parser"
2548 mlp_encoder_select="lpc"
2549 motionpixels_decoder_select="bswapdsp"
2550 mp1_decoder_select="mpegaudio"
2551 mp1float_decoder_select="mpegaudio"
2552 mp2_decoder_select="mpegaudio"
2553 mp2float_decoder_select="mpegaudio"
2554 mp3_decoder_select="mpegaudio"
2555 mp3adu_decoder_select="mpegaudio"
2556 mp3adufloat_decoder_select="mpegaudio"
2557 mp3float_decoder_select="mpegaudio"
2558 mp3on4_decoder_select="mpegaudio"
2559 mp3on4float_decoder_select="mpegaudio"
2560 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2561 mpc8_decoder_select="mpegaudiodsp"
2562 mpegvideo_decoder_select="mpegvideo"
2563 mpeg1video_decoder_select="mpegvideo"
2564 mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"
2565 mpeg2video_decoder_select="mpegvideo"
2566 mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"
2567 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2568 mpeg4_encoder_select="h263_encoder"
2569 msa1_decoder_select="mss34dsp"
2570 mscc_decoder_deps="zlib"
2571 msmpeg4v1_decoder_select="h263_decoder"
2572 msmpeg4v2_decoder_select="h263_decoder"
2573 msmpeg4v2_encoder_select="h263_encoder"
2574 msmpeg4v3_decoder_select="h263_decoder"
2575 msmpeg4v3_encoder_select="h263_encoder"
2576 mss2_decoder_select="mpegvideo qpeldsp vc1_decoder"
2577 mts2_decoder_select="mss34dsp"
2578 mxpeg_decoder_select="mjpeg_decoder"
2579 nellymoser_decoder_select="mdct sinewin"
2580 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2581 nuv_decoder_select="idctdsp lzo"
2582 on2avc_decoder_select="mdct"
2583 opus_decoder_deps="swresample"
2584 opus_decoder_select="mdct15"
2585 opus_encoder_select="audio_frame_queue mdct15"
2586 png_decoder_deps="zlib"
2587 png_encoder_deps="zlib"
2588 png_encoder_select="llvidencdsp"
2589 prores_decoder_select="blockdsp idctdsp"
2590 prores_encoder_select="fdctdsp"
2591 qcelp_decoder_select="lsp"
2592 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2593 ra_144_decoder_select="audiodsp"
2594 ra_144_encoder_select="audio_frame_queue lpc audiodsp"
2595 ralf_decoder_select="golomb"
2596 rawvideo_decoder_select="bswapdsp"
2597 rscc_decoder_deps="zlib"
2598 rtjpeg_decoder_select="me_cmp"
2599 rv10_decoder_select="h263_decoder"
2600 rv10_encoder_select="h263_encoder"
2601 rv20_decoder_select="h263_decoder"
2602 rv20_encoder_select="h263_encoder"
2603 rv30_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2604 rv40_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2605 screenpresso_decoder_deps="zlib"
2606 shorten_decoder_select="bswapdsp"
2607 sipr_decoder_select="lsp"
2608 snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"
2609 snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"
2610 sonic_decoder_select="golomb rangecoder"
2611 sonic_encoder_select="golomb rangecoder"
2612 sonic_ls_encoder_select="golomb rangecoder"
2613 sp5x_decoder_select="mjpeg_decoder"
2614 srgc_decoder_deps="zlib"
2615 svq1_decoder_select="hpeldsp"
2616 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2617 svq3_decoder_select="golomb h264dsp h264parse h264pred hpeldsp tpeldsp videodsp"
2618 svq3_decoder_suggest="zlib"
2619 tak_decoder_select="audiodsp"
2620 tdsc_decoder_deps="zlib"
2621 tdsc_decoder_select="mjpeg_decoder"
2622 theora_decoder_select="vp3_decoder"
2623 thp_decoder_select="mjpeg_decoder"
2624 tiff_decoder_suggest="zlib lzma"
2625 tiff_encoder_suggest="zlib"
2626 truehd_decoder_select="mlp_parser"
2627 truehd_encoder_select="lpc"
2628 truemotion2_decoder_select="bswapdsp"
2629 truespeech_decoder_select="bswapdsp"
2630 tscc_decoder_deps="zlib"
2631 twinvq_decoder_select="mdct lsp sinewin"
2632 txd_decoder_select="texturedsp"
2633 utvideo_decoder_select="bswapdsp llviddsp"
2634 utvideo_encoder_select="bswapdsp huffman llvidencdsp"
2635 vble_decoder_select="llviddsp"
2636 vc1_decoder_select="blockdsp h263_decoder h264qpel intrax8 mpegvideo vc1dsp"
2637 vc1image_decoder_select="vc1_decoder"
2638 vorbis_decoder_select="mdct"
2639 vorbis_encoder_select="mdct"
2640 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2641 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"
2642 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"
2643 vp6a_decoder_select="vp6_decoder"
2644 vp6f_decoder_select="vp6_decoder"
2645 vp7_decoder_select="h264pred videodsp vp8dsp"
2646 vp8_decoder_select="h264pred videodsp vp8dsp"
2647 vp9_decoder_select="videodsp vp9_parser vp9_superframe_split_bsf"
2648 webp_decoder_select="vp8_decoder exif"
2649 wmalossless_decoder_select="llauddsp"
2650 wmapro_decoder_select="mdct sinewin wma_freqs"
2651 wmav1_decoder_select="mdct sinewin wma_freqs"
2652 wmav1_encoder_select="mdct sinewin wma_freqs"
2653 wmav2_decoder_select="mdct sinewin wma_freqs"
2654 wmav2_encoder_select="mdct sinewin wma_freqs"
2655 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2656 wmv1_decoder_select="h263_decoder"
2657 wmv1_encoder_select="h263_encoder"
2658 wmv2_decoder_select="blockdsp error_resilience h263_decoder idctdsp intrax8 videodsp wmv2dsp"
2659 wmv2_encoder_select="h263_encoder wmv2dsp"
2660 wmv3_decoder_select="vc1_decoder"
2661 wmv3image_decoder_select="wmv3_decoder"
2662 xma1_decoder_select="wmapro_decoder"
2663 xma2_decoder_select="wmapro_decoder"
2664 zerocodec_decoder_deps="zlib"
2665 zlib_decoder_deps="zlib"
2666 zlib_encoder_deps="zlib"
2667 zmbv_decoder_deps="zlib"
2668 zmbv_encoder_deps="zlib"
2670 # hardware accelerators
2671 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
2672 cuda_deps_any="libdl LoadLibrary"
2674 d3d11va_deps="dxva_h ID3D11VideoDecoder ID3D11VideoContext"
2675 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode ole32 user32"
2677 videotoolbox_hwaccel_deps="videotoolbox pthreads"
2678 videotoolbox_hwaccel_extralibs="-framework QuartzCore"
2679 xvmc_deps="X11_extensions_XvMClib_h"
2681 h263_vaapi_hwaccel_deps="vaapi"
2682 h263_vaapi_hwaccel_select="h263_decoder"
2683 h263_videotoolbox_hwaccel_deps="videotoolbox"
2684 h263_videotoolbox_hwaccel_select="h263_decoder"
2685 h264_d3d11va_hwaccel_deps="d3d11va"
2686 h264_d3d11va_hwaccel_select="h264_decoder"
2687 h264_d3d11va2_hwaccel_deps="d3d11va"
2688 h264_d3d11va2_hwaccel_select="h264_decoder"
2689 h264_dxva2_hwaccel_deps="dxva2"
2690 h264_dxva2_hwaccel_select="h264_decoder"
2691 h264_nvdec_hwaccel_deps="nvdec"
2692 h264_nvdec_hwaccel_select="h264_decoder"
2693 h264_vaapi_hwaccel_deps="vaapi"
2694 h264_vaapi_hwaccel_select="h264_decoder"
2695 h264_vdpau_hwaccel_deps="vdpau"
2696 h264_vdpau_hwaccel_select="h264_decoder"
2697 h264_videotoolbox_hwaccel_deps="videotoolbox"
2698 h264_videotoolbox_hwaccel_select="h264_decoder"
2699 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2700 hevc_d3d11va_hwaccel_select="hevc_decoder"
2701 hevc_d3d11va2_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2702 hevc_d3d11va2_hwaccel_select="hevc_decoder"
2703 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2704 hevc_dxva2_hwaccel_select="hevc_decoder"
2705 hevc_nvdec_hwaccel_deps="nvdec"
2706 hevc_nvdec_hwaccel_select="hevc_decoder"
2707 hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC"
2708 hevc_vaapi_hwaccel_select="hevc_decoder"
2709 hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"
2710 hevc_vdpau_hwaccel_select="hevc_decoder"
2711 hevc_videotoolbox_hwaccel_deps="videotoolbox"
2712 hevc_videotoolbox_hwaccel_select="hevc_decoder"
2713 mpeg_xvmc_hwaccel_deps="xvmc"
2714 mpeg_xvmc_hwaccel_select="mpeg2video_decoder"
2715 mpeg1_nvdec_hwaccel_deps="nvdec"
2716 mpeg1_nvdec_hwaccel_select="mpeg1video_decoder"
2717 mpeg1_vdpau_hwaccel_deps="vdpau"
2718 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2719 mpeg1_videotoolbox_hwaccel_deps="videotoolbox"
2720 mpeg1_videotoolbox_hwaccel_select="mpeg1video_decoder"
2721 mpeg1_xvmc_hwaccel_deps="xvmc"
2722 mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"
2723 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2724 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2725 mpeg2_d3d11va2_hwaccel_deps="d3d11va"
2726 mpeg2_d3d11va2_hwaccel_select="mpeg2video_decoder"
2727 mpeg2_dxva2_hwaccel_deps="dxva2"
2728 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2729 mpeg2_nvdec_hwaccel_deps="nvdec"
2730 mpeg2_nvdec_hwaccel_select="mpeg2video_decoder"
2731 mpeg2_vaapi_hwaccel_deps="vaapi"
2732 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2733 mpeg2_vdpau_hwaccel_deps="vdpau"
2734 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2735 mpeg2_videotoolbox_hwaccel_deps="videotoolbox"
2736 mpeg2_videotoolbox_hwaccel_select="mpeg2video_decoder"
2737 mpeg2_xvmc_hwaccel_deps="xvmc"
2738 mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"
2739 mpeg4_nvdec_hwaccel_deps="nvdec"
2740 mpeg4_nvdec_hwaccel_select="mpeg4_decoder"
2741 mpeg4_vaapi_hwaccel_deps="vaapi"
2742 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2743 mpeg4_vdpau_hwaccel_deps="vdpau"
2744 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2745 mpeg4_videotoolbox_hwaccel_deps="videotoolbox"
2746 mpeg4_videotoolbox_hwaccel_select="mpeg4_decoder"
2747 vc1_d3d11va_hwaccel_deps="d3d11va"
2748 vc1_d3d11va_hwaccel_select="vc1_decoder"
2749 vc1_d3d11va2_hwaccel_deps="d3d11va"
2750 vc1_d3d11va2_hwaccel_select="vc1_decoder"
2751 vc1_dxva2_hwaccel_deps="dxva2"
2752 vc1_dxva2_hwaccel_select="vc1_decoder"
2753 vc1_nvdec_hwaccel_deps="nvdec"
2754 vc1_nvdec_hwaccel_select="vc1_decoder"
2755 vc1_vaapi_hwaccel_deps="vaapi"
2756 vc1_vaapi_hwaccel_select="vc1_decoder"
2757 vc1_vdpau_hwaccel_deps="vdpau"
2758 vc1_vdpau_hwaccel_select="vc1_decoder"
2759 vp8_nvdec_hwaccel_deps="nvdec"
2760 vp8_nvdec_hwaccel_select="vp8_decoder"
2761 vp8_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferVP8"
2762 vp8_vaapi_hwaccel_select="vp8_decoder"
2763 vp9_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_VP9"
2764 vp9_d3d11va_hwaccel_select="vp9_decoder"
2765 vp9_d3d11va2_hwaccel_deps="d3d11va DXVA_PicParams_VP9"
2766 vp9_d3d11va2_hwaccel_select="vp9_decoder"
2767 vp9_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_VP9"
2768 vp9_dxva2_hwaccel_select="vp9_decoder"
2769 vp9_nvdec_hwaccel_deps="nvdec"
2770 vp9_nvdec_hwaccel_select="vp9_decoder"
2771 vp9_vaapi_hwaccel_deps="vaapi VADecPictureParameterBufferVP9_bit_depth"
2772 vp9_vaapi_hwaccel_select="vp9_decoder"
2773 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2774 wmv3_d3d11va2_hwaccel_select="vc1_d3d11va2_hwaccel"
2775 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2776 wmv3_nvdec_hwaccel_select="vc1_nvdec_hwaccel"
2777 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2778 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2780 # hardware-accelerated codecs
2781 omx_deps="libdl pthreads"
2782 omx_rpi_select="omx"
2787 vaapi_encode_deps="vaapi"
2788 v4l2_m2m_deps_any="linux_videodev2_h"
2790 hwupload_cuda_filter_deps="cuda"
2791 scale_npp_filter_deps="cuda libnpp"
2792 scale_cuda_filter_deps="cuda_sdk"
2793 thumbnail_cuda_filter_deps="cuda_sdk"
2795 amf_deps_any="libdl LoadLibrary"
2797 nvenc_deps_any="libdl LoadLibrary"
2798 nvenc_encoder_deps="nvenc"
2800 h263_v4l2m2m_decoder_deps="v4l2_m2m h263_v4l2_m2m"
2801 h263_v4l2m2m_encoder_deps="v4l2_m2m h263_v4l2_m2m"
2802 h264_amf_encoder_deps="amf"
2803 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
2804 h264_cuvid_decoder_deps="cuvid"
2805 h264_cuvid_decoder_select="h264_mp4toannexb_bsf"
2806 h264_mediacodec_decoder_deps="mediacodec"
2807 h264_mediacodec_decoder_select="h264_mp4toannexb_bsf h264_parser"
2808 h264_mmal_decoder_deps="mmal"
2809 h264_nvenc_encoder_deps="nvenc"
2810 h264_omx_encoder_deps="omx"
2811 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec"
2812 h264_qsv_encoder_select="qsvenc"
2813 h264_rkmpp_decoder_deps="rkmpp"
2814 h264_rkmpp_decoder_select="h264_mp4toannexb_bsf"
2815 h264_vaapi_encoder_deps="VAEncPictureParameterBufferH264"
2816 h264_vaapi_encoder_select="cbs_h264 vaapi_encode"
2817 h264_v4l2m2m_decoder_deps="v4l2_m2m h264_v4l2_m2m"
2818 h264_v4l2m2m_encoder_deps="v4l2_m2m h264_v4l2_m2m"
2819 hevc_amf_encoder_deps="amf"
2820 hevc_cuvid_decoder_deps="cuvid"
2821 hevc_cuvid_decoder_select="hevc_mp4toannexb_bsf"
2822 hevc_mediacodec_decoder_deps="mediacodec"
2823 hevc_mediacodec_decoder_select="hevc_mp4toannexb_bsf hevc_parser"
2824 hevc_nvenc_encoder_deps="nvenc"
2825 hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec"
2826 hevc_qsv_encoder_select="hevcparse qsvenc"
2827 hevc_rkmpp_decoder_deps="rkmpp"
2828 hevc_rkmpp_decoder_select="hevc_mp4toannexb_bsf"
2829 hevc_vaapi_encoder_deps="VAEncPictureParameterBufferHEVC"
2830 hevc_vaapi_encoder_select="cbs_h265 vaapi_encode"
2831 hevc_v4l2m2m_decoder_deps="v4l2_m2m hevc_v4l2_m2m"
2832 hevc_v4l2m2m_encoder_deps="v4l2_m2m hevc_v4l2_m2m"
2833 mjpeg_cuvid_decoder_deps="cuvid"
2834 mjpeg_qsv_encoder_deps="libmfx"
2835 mjpeg_qsv_encoder_select="qsvenc"
2836 mjpeg_vaapi_encoder_deps="VAEncPictureParameterBufferJPEG"
2837 mjpeg_vaapi_encoder_select="vaapi_encode jpegtables"
2838 mpeg1_cuvid_decoder_deps="cuvid"
2839 mpeg1_v4l2m2m_decoder_deps="v4l2_m2m mpeg1_v4l2_m2m"
2840 mpeg2_crystalhd_decoder_select="crystalhd"
2841 mpeg2_cuvid_decoder_deps="cuvid"
2842 mpeg2_mmal_decoder_deps="mmal"
2843 mpeg2_mediacodec_decoder_deps="mediacodec"
2844 mpeg2_qsv_decoder_select="qsvdec mpegvideo_parser"
2845 mpeg2_qsv_encoder_select="qsvenc"
2846 mpeg2_vaapi_encoder_deps="VAEncPictureParameterBufferMPEG2"
2847 mpeg2_vaapi_encoder_select="cbs_mpeg2 vaapi_encode"
2848 mpeg2_v4l2m2m_decoder_deps="v4l2_m2m mpeg2_v4l2_m2m"
2849 mpeg4_crystalhd_decoder_select="crystalhd"
2850 mpeg4_cuvid_decoder_deps="cuvid"
2851 mpeg4_mediacodec_decoder_deps="mediacodec"
2852 mpeg4_mmal_decoder_deps="mmal"
2853 mpeg4_omx_encoder_deps="omx"
2854 mpeg4_v4l2m2m_decoder_deps="v4l2_m2m mpeg4_v4l2_m2m"
2855 mpeg4_v4l2m2m_encoder_deps="v4l2_m2m mpeg4_v4l2_m2m"
2856 msmpeg4_crystalhd_decoder_select="crystalhd"
2857 nvenc_h264_encoder_select="h264_nvenc_encoder"
2858 nvenc_hevc_encoder_select="hevc_nvenc_encoder"
2859 vc1_crystalhd_decoder_select="crystalhd"
2860 vc1_cuvid_decoder_deps="cuvid"
2861 vc1_mmal_decoder_deps="mmal"
2862 vc1_qsv_decoder_select="qsvdec vc1_parser"
2863 vc1_v4l2m2m_decoder_deps="v4l2_m2m vc1_v4l2_m2m"
2864 vp8_cuvid_decoder_deps="cuvid"
2865 vp8_mediacodec_decoder_deps="mediacodec"
2866 vp8_qsv_decoder_select="qsvdec vp8_parser"
2867 vp8_rkmpp_decoder_deps="rkmpp"
2868 vp8_vaapi_encoder_deps="VAEncPictureParameterBufferVP8"
2869 vp8_vaapi_encoder_select="vaapi_encode"
2870 vp8_v4l2m2m_decoder_deps="v4l2_m2m vp8_v4l2_m2m"
2871 vp8_v4l2m2m_encoder_deps="v4l2_m2m vp8_v4l2_m2m"
2872 vp9_cuvid_decoder_deps="cuvid"
2873 vp9_mediacodec_decoder_deps="mediacodec"
2874 vp9_rkmpp_decoder_deps="rkmpp"
2875 vp9_vaapi_encoder_deps="VAEncPictureParameterBufferVP9"
2876 vp9_vaapi_encoder_select="vaapi_encode"
2877 vp9_v4l2m2m_decoder_deps="v4l2_m2m vp9_v4l2_m2m"
2878 wmv3_crystalhd_decoder_select="crystalhd"
2881 aac_parser_select="adts_header"
2882 h264_parser_select="golomb h264dsp h264parse"
2883 hevc_parser_select="hevcparse"
2884 mpegaudio_parser_select="mpegaudioheader"
2885 mpegvideo_parser_select="mpegvideo"
2886 mpeg4video_parser_select="h263dsp mpegvideo qpeldsp"
2887 vc1_parser_select="vc1dsp"
2890 aac_adtstoasc_bsf_select="adts_header"
2891 h264_metadata_bsf_select="cbs_h264"
2892 h264_redundant_pps_bsf_select="cbs_h264"
2893 hevc_metadata_bsf_select="cbs_h265"
2894 mjpeg2jpeg_bsf_select="jpegtables"
2895 mpeg2_metadata_bsf_select="cbs_mpeg2"
2896 trace_headers_bsf_select="cbs_h264 cbs_h265 cbs_mpeg2"
2898 # external libraries
2899 aac_at_decoder_deps="audiotoolbox"
2900 aac_at_decoder_select="aac_adtstoasc_bsf"
2901 ac3_at_decoder_deps="audiotoolbox"
2902 ac3_at_decoder_select="ac3_parser"
2903 adpcm_ima_qt_at_decoder_deps="audiotoolbox"
2904 alac_at_decoder_deps="audiotoolbox"
2905 amr_nb_at_decoder_deps="audiotoolbox"
2906 avisynth_deps_any="libdl LoadLibrary"
2907 avisynth_demuxer_deps="avisynth"
2908 avisynth_demuxer_select="riffdec"
2909 eac3_at_decoder_deps="audiotoolbox"
2910 eac3_at_decoder_select="ac3_parser"
2911 gsm_ms_at_decoder_deps="audiotoolbox"
2912 ilbc_at_decoder_deps="audiotoolbox"
2913 mp1_at_decoder_deps="audiotoolbox"
2914 mp2_at_decoder_deps="audiotoolbox"
2915 mp3_at_decoder_deps="audiotoolbox"
2916 mp1_at_decoder_select="mpegaudioheader"
2917 mp2_at_decoder_select="mpegaudioheader"
2918 mp3_at_decoder_select="mpegaudioheader"
2919 pcm_alaw_at_decoder_deps="audiotoolbox"
2920 pcm_mulaw_at_decoder_deps="audiotoolbox"
2921 qdmc_at_decoder_deps="audiotoolbox"
2922 qdm2_at_decoder_deps="audiotoolbox"
2923 aac_at_encoder_deps="audiotoolbox"
2924 aac_at_encoder_select="audio_frame_queue"
2925 alac_at_encoder_deps="audiotoolbox"
2926 alac_at_encoder_select="audio_frame_queue"
2927 ilbc_at_encoder_deps="audiotoolbox"
2928 ilbc_at_encoder_select="audio_frame_queue"
2929 pcm_alaw_at_encoder_deps="audiotoolbox"
2930 pcm_alaw_at_encoder_select="audio_frame_queue"
2931 pcm_mulaw_at_encoder_deps="audiotoolbox"
2932 pcm_mulaw_at_encoder_select="audio_frame_queue"
2933 chromaprint_muxer_deps="chromaprint"
2934 h264_videotoolbox_encoder_deps="pthreads"
2935 h264_videotoolbox_encoder_select="videotoolbox_encoder"
2936 hevc_videotoolbox_encoder_deps="pthreads"
2937 hevc_videotoolbox_encoder_select="videotoolbox_encoder"
2938 libcelt_decoder_deps="libcelt"
2939 libfdk_aac_decoder_deps="libfdk_aac"
2940 libfdk_aac_encoder_deps="libfdk_aac"
2941 libfdk_aac_encoder_select="audio_frame_queue"
2942 libgme_demuxer_deps="libgme"
2943 libgsm_decoder_deps="libgsm"
2944 libgsm_encoder_deps="libgsm"
2945 libgsm_ms_decoder_deps="libgsm"
2946 libgsm_ms_encoder_deps="libgsm"
2947 libilbc_decoder_deps="libilbc"
2948 libilbc_encoder_deps="libilbc"
2949 libkvazaar_encoder_deps="libkvazaar"
2950 libmodplug_demuxer_deps="libmodplug"
2951 libmp3lame_encoder_deps="libmp3lame"
2952 libmp3lame_encoder_select="audio_frame_queue mpegaudioheader"
2953 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2954 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2955 libopencore_amrnb_encoder_select="audio_frame_queue"
2956 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2957 libopenh264_decoder_deps="libopenh264"
2958 libopenh264_decoder_select="h264_mp4toannexb_bsf"
2959 libopenh264_encoder_deps="libopenh264"
2960 libopenjpeg_decoder_deps="libopenjpeg"
2961 libopenjpeg_encoder_deps="libopenjpeg"
2962 libopenmpt_demuxer_deps="libopenmpt"
2963 libopus_decoder_deps="libopus"
2964 libopus_encoder_deps="libopus"
2965 libopus_encoder_select="audio_frame_queue"
2966 librsvg_decoder_deps="librsvg"
2967 libshine_encoder_deps="libshine"
2968 libshine_encoder_select="audio_frame_queue"
2969 libspeex_decoder_deps="libspeex"
2970 libspeex_encoder_deps="libspeex"
2971 libspeex_encoder_select="audio_frame_queue"
2972 libtheora_encoder_deps="libtheora"
2973 libtwolame_encoder_deps="libtwolame"
2974 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2975 libvorbis_decoder_deps="libvorbis"
2976 libvorbis_encoder_deps="libvorbis libvorbisenc"
2977 libvorbis_encoder_select="audio_frame_queue"
2978 libvpx_vp8_decoder_deps="libvpx"
2979 libvpx_vp8_encoder_deps="libvpx"
2980 libvpx_vp9_decoder_deps="libvpx"
2981 libvpx_vp9_encoder_deps="libvpx"
2982 libwavpack_encoder_deps="libwavpack"
2983 libwavpack_encoder_select="audio_frame_queue"
2984 libwebp_encoder_deps="libwebp"
2985 libwebp_anim_encoder_deps="libwebp"
2986 libx262_encoder_deps="libx262"
2987 libx264_encoder_deps="libx264"
2988 libx264rgb_encoder_deps="libx264 x264_csp_bgr"
2989 libx264rgb_encoder_select="libx264_encoder"
2990 libx265_encoder_deps="libx265"
2991 libxavs_encoder_deps="libxavs"
2992 libxvid_encoder_deps="libxvid"
2993 libzvbi_teletext_decoder_deps="libzvbi"
2994 videotoolbox_suggest="coreservices"
2995 videotoolbox_deps="corefoundation coremedia corevideo"
2996 videotoolbox_encoder_deps="videotoolbox VTCompressionSessionPrepareToEncodeFrames"
2999 ac3_demuxer_select="ac3_parser"
3000 aiff_muxer_select="iso_media"
3001 asf_demuxer_select="riffdec"
3002 asf_o_demuxer_select="riffdec"
3003 asf_muxer_select="riffenc"
3004 asf_stream_muxer_select="asf_muxer"
3005 avi_demuxer_select="iso_media riffdec exif"
3006 avi_muxer_select="riffenc"
3007 caf_demuxer_select="iso_media riffdec"
3008 caf_muxer_select="iso_media"
3009 dash_muxer_select="mp4_muxer"
3010 dash_demuxer_deps="libxml2"
3011 dirac_demuxer_select="dirac_parser"
3012 dts_demuxer_select="dca_parser"
3013 dtshd_demuxer_select="dca_parser"
3014 dv_demuxer_select="dvprofile"
3015 dv_muxer_select="dvprofile"
3016 dxa_demuxer_select="riffdec"
3017 eac3_demuxer_select="ac3_parser"
3018 f4v_muxer_select="mov_muxer"
3019 fifo_muxer_deps="threads"
3020 flac_demuxer_select="flac_parser"
3021 hds_muxer_select="flv_muxer"
3022 hls_muxer_select="mpegts_muxer"
3023 hls_muxer_suggest="gcrypt openssl"
3024 image2_alias_pix_demuxer_select="image2_demuxer"
3025 image2_brender_pix_demuxer_select="image2_demuxer"
3026 ipod_muxer_select="mov_muxer"
3027 ismv_muxer_select="mov_muxer"
3028 matroska_audio_muxer_select="matroska_muxer"
3029 matroska_demuxer_select="iso_media riffdec"
3030 matroska_demuxer_suggest="bzlib lzo zlib"
3031 matroska_muxer_select="iso_media riffenc"
3032 mmf_muxer_select="riffenc"
3033 mov_demuxer_select="iso_media riffdec"
3034 mov_demuxer_suggest="zlib"
3035 mov_muxer_select="iso_media riffenc rtpenc_chain"
3036 mp3_demuxer_select="mpegaudio_parser"
3037 mp3_muxer_select="mpegaudioheader"
3038 mp4_muxer_select="mov_muxer"
3039 mpegts_demuxer_select="iso_media"
3040 mpegts_muxer_select="adts_muxer latm_muxer"
3041 mpegtsraw_demuxer_select="mpegts_demuxer"
3042 mxf_d10_muxer_select="mxf_muxer"
3043 mxf_opatom_muxer_select="mxf_muxer"
3044 nut_muxer_select="riffenc"
3045 nuv_demuxer_select="riffdec"
3046 oga_muxer_select="ogg_muxer"
3047 ogg_demuxer_select="dirac_parse"
3048 ogv_muxer_select="ogg_muxer"
3049 opus_muxer_select="ogg_muxer"
3050 psp_muxer_select="mov_muxer"
3051 rtp_demuxer_select="sdp_demuxer"
3052 rtp_muxer_select="golomb"
3053 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol srtp"
3054 rtsp_demuxer_select="http_protocol rtpdec"
3055 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
3056 sap_demuxer_select="sdp_demuxer"
3057 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
3058 sdp_demuxer_select="rtpdec"
3059 smoothstreaming_muxer_select="ismv_muxer"
3060 spdif_demuxer_select="adts_header"
3061 spdif_muxer_select="adts_header"
3062 spx_muxer_select="ogg_muxer"
3063 swf_demuxer_suggest="zlib"
3064 tak_demuxer_select="tak_parser"
3065 tg2_muxer_select="mov_muxer"
3066 tgp_muxer_select="mov_muxer"
3067 vobsub_demuxer_select="mpegps_demuxer"
3068 w64_demuxer_select="wav_demuxer"
3069 w64_muxer_select="wav_muxer"
3070 wav_demuxer_select="riffdec"
3071 wav_muxer_select="riffenc"
3072 webm_muxer_select="iso_media riffenc"
3073 webm_dash_manifest_demuxer_select="matroska_demuxer"
3074 wtv_demuxer_select="mpegts_demuxer riffdec"
3075 wtv_muxer_select="mpegts_muxer riffenc"
3076 xmv_demuxer_select="riffdec"
3077 xwma_demuxer_select="riffdec"
3080 alsa_indev_deps="alsa"
3081 alsa_outdev_deps="alsa"
3082 avfoundation_indev_deps="avfoundation corevideo coremedia pthreads"
3083 avfoundation_indev_suggest="coregraphics applicationservices"
3084 avfoundation_indev_extralibs="-framework Foundation"
3085 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
3086 caca_outdev_deps="libcaca"
3087 decklink_deps_any="libdl LoadLibrary"
3088 decklink_indev_deps="decklink threads"
3089 decklink_indev_extralibs="-lstdc++"
3090 decklink_outdev_deps="decklink threads"
3091 decklink_outdev_extralibs="-lstdc++"
3092 libndi_newtek_indev_deps="libndi_newtek"
3093 libndi_newtek_indev_extralibs="-lndi"
3094 libndi_newtek_outdev_deps="libndi_newtek"
3095 libndi_newtek_outdev_extralibs="-lndi"
3096 dshow_indev_deps="IBaseFilter"
3097 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"
3098 fbdev_indev_deps="linux_fb_h"
3099 fbdev_outdev_deps="linux_fb_h"
3100 gdigrab_indev_deps="CreateDIBSection"
3101 gdigrab_indev_extralibs="-lgdi32"
3102 gdigrab_indev_select="bmp_decoder"
3103 iec61883_indev_deps="libiec61883"
3104 jack_indev_deps="libjack"
3105 jack_indev_deps_any="sem_timedwait dispatch_dispatch_h"
3106 kmsgrab_indev_deps="libdrm"
3107 lavfi_indev_deps="avfilter"
3108 libcdio_indev_deps="libcdio"
3109 libdc1394_indev_deps="libdc1394"
3110 openal_indev_deps="openal"
3111 opengl_outdev_deps="opengl"
3112 oss_indev_deps_any="sys_soundcard_h"
3113 oss_outdev_deps_any="sys_soundcard_h"
3114 pulse_indev_deps="libpulse"
3115 pulse_outdev_deps="libpulse"
3116 sdl2_outdev_deps="sdl2"
3117 sndio_indev_deps="sndio"
3118 sndio_outdev_deps="sndio"
3119 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
3120 v4l2_indev_suggest="libv4l2"
3121 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
3122 v4l2_outdev_suggest="libv4l2"
3123 vfwcap_indev_deps="vfw32 vfwcap_defines"
3124 xcbgrab_indev_deps="libxcb"
3125 xcbgrab_indev_suggest="libxcb_shm libxcb_shape libxcb_xfixes"
3126 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
3127 xv_outdev_extralibs="-lXv -lX11 -lXext"
3130 async_protocol_deps="threads"
3131 bluray_protocol_deps="libbluray"
3132 ffrtmpcrypt_protocol_conflict="librtmp_protocol"
3133 ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"
3134 ffrtmpcrypt_protocol_select="tcp_protocol"
3135 ffrtmphttp_protocol_conflict="librtmp_protocol"
3136 ffrtmphttp_protocol_select="http_protocol"
3137 ftp_protocol_select="tcp_protocol"
3138 gopher_protocol_select="network"
3139 http_protocol_select="tcp_protocol"
3140 http_protocol_suggest="zlib"
3141 httpproxy_protocol_select="tcp_protocol"
3142 httpproxy_protocol_suggest="zlib"
3143 https_protocol_select="tls_protocol"
3144 https_protocol_suggest="zlib"
3145 icecast_protocol_select="http_protocol"
3146 librtmp_protocol_deps="librtmp"
3147 librtmpe_protocol_deps="librtmp"
3148 librtmps_protocol_deps="librtmp"
3149 librtmpt_protocol_deps="librtmp"
3150 librtmpte_protocol_deps="librtmp"
3151 libsmbclient_protocol_deps="libsmbclient gplv3"
3152 libssh_protocol_deps="libssh"
3153 libtls_conflict="openssl gnutls"
3154 mmsh_protocol_select="http_protocol"
3155 mmst_protocol_select="network"
3156 rtmp_protocol_conflict="librtmp_protocol"
3157 rtmp_protocol_select="tcp_protocol"
3158 rtmp_protocol_suggest="zlib"
3159 rtmpe_protocol_select="ffrtmpcrypt_protocol"
3160 rtmpe_protocol_suggest="zlib"
3161 rtmps_protocol_conflict="librtmp_protocol"
3162 rtmps_protocol_select="tls_protocol"
3163 rtmps_protocol_suggest="zlib"
3164 rtmpt_protocol_select="ffrtmphttp_protocol"
3165 rtmpt_protocol_suggest="zlib"
3166 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
3167 rtmpte_protocol_suggest="zlib"
3168 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
3169 rtmpts_protocol_suggest="zlib"
3170 rtp_protocol_select="udp_protocol"
3171 schannel_conflict="openssl gnutls libtls"
3172 sctp_protocol_deps="struct_sctp_event_subscribe struct_msghdr_msg_flags"
3173 sctp_protocol_select="network"
3174 securetransport_conflict="openssl gnutls libtls"
3175 srtp_protocol_select="rtp_protocol srtp"
3176 tcp_protocol_select="network"
3177 tls_protocol_deps_any="gnutls openssl schannel securetransport libtls"
3178 tls_protocol_select="tcp_protocol"
3179 udp_protocol_select="network"
3180 udplite_protocol_select="network"
3181 unix_protocol_deps="sys_un_h"
3182 unix_protocol_select="network"
3185 afftfilt_filter_deps="avcodec"
3186 afftfilt_filter_select="fft"
3187 afir_filter_deps="avcodec"
3188 afir_filter_select="fft"
3189 amovie_filter_deps="avcodec avformat"
3190 aresample_filter_deps="swresample"
3191 ass_filter_deps="libass"
3192 atempo_filter_deps="avcodec"
3193 atempo_filter_select="rdft"
3194 azmq_filter_deps="libzmq"
3195 blackframe_filter_deps="gpl"
3196 boxblur_filter_deps="gpl"
3197 bs2b_filter_deps="libbs2b"
3198 colormatrix_filter_deps="gpl"
3199 convolve_filter_deps="avcodec"
3200 convolve_filter_select="fft"
3201 coreimage_filter_deps="coreimage appkit"
3202 coreimage_filter_extralibs="-framework OpenGL"
3203 coreimagesrc_filter_deps="coreimage appkit"
3204 coreimagesrc_filter_extralibs="-framework OpenGL"
3205 cover_rect_filter_deps="avcodec avformat gpl"
3206 cropdetect_filter_deps="gpl"
3207 deconvolve_filter_deps="avcodec"
3208 deconvolve_filter_select="fft"
3209 deinterlace_qsv_filter_deps="libmfx"
3210 deinterlace_vaapi_filter_deps="vaapi"
3211 delogo_filter_deps="gpl"
3212 deshake_filter_select="pixelutils"
3213 drawtext_filter_deps="libfreetype"
3214 drawtext_filter_suggest="libfontconfig libfribidi"
3215 elbg_filter_deps="avcodec"
3216 eq_filter_deps="gpl"
3217 fftfilt_filter_deps="avcodec"
3218 fftfilt_filter_select="rdft"
3219 find_rect_filter_deps="avcodec avformat gpl"
3220 firequalizer_filter_deps="avcodec"
3221 firequalizer_filter_select="rdft"
3222 flite_filter_deps="libflite"
3223 framerate_filter_select="pixelutils"
3224 frei0r_filter_deps="frei0r libdl"
3225 frei0r_src_filter_deps="frei0r libdl"
3226 fspp_filter_deps="gpl"
3227 geq_filter_deps="gpl"
3228 histeq_filter_deps="gpl"
3229 hqdn3d_filter_deps="gpl"
3230 interlace_filter_deps="gpl"
3231 kerndeint_filter_deps="gpl"
3232 ladspa_filter_deps="ladspa libdl"
3233 lv2_filter_deps="lv2"
3234 mcdeint_filter_deps="avcodec gpl"
3235 movie_filter_deps="avcodec avformat"
3236 mpdecimate_filter_deps="gpl"
3237 mpdecimate_filter_select="pixelutils"
3238 mptestsrc_filter_deps="gpl"
3239 negate_filter_deps="lut_filter"
3240 nnedi_filter_deps="gpl"
3241 ocr_filter_deps="libtesseract"
3242 ocv_filter_deps="libopencv"
3243 overlay_opencl_filter_deps="opencl"
3244 overlay_qsv_filter_deps="libmfx"
3245 overlay_qsv_filter_select="qsvvpp"
3246 owdenoise_filter_deps="gpl"
3247 pan_filter_deps="swresample"
3248 perspective_filter_deps="gpl"
3249 phase_filter_deps="gpl"
3250 pp7_filter_deps="gpl"
3251 pp_filter_deps="gpl postproc"
3252 pullup_filter_deps="gpl"
3253 removelogo_filter_deps="avcodec avformat swscale"
3254 repeatfields_filter_deps="gpl"
3255 resample_filter_deps="avresample"
3256 rubberband_filter_deps="librubberband"
3257 sab_filter_deps="gpl swscale"
3258 scale2ref_filter_deps="swscale"
3259 scale_filter_deps="swscale"
3260 scale_qsv_filter_deps="libmfx"
3261 select_filter_select="pixelutils"
3262 showcqt_filter_deps="avcodec avformat swscale"
3263 showcqt_filter_suggest="libfontconfig libfreetype"
3264 showcqt_filter_select="fft"
3265 showfreqs_filter_deps="avcodec"
3266 showfreqs_filter_select="fft"
3267 showspectrum_filter_deps="avcodec"
3268 showspectrum_filter_select="fft"
3269 showspectrumpic_filter_deps="avcodec"
3270 showspectrumpic_filter_select="fft"
3271 signature_filter_deps="gpl avcodec avformat"
3272 smartblur_filter_deps="gpl swscale"
3273 sofalizer_filter_deps="libmysofa avcodec"
3274 sofalizer_filter_select="fft"
3275 spectrumsynth_filter_deps="avcodec"
3276 spectrumsynth_filter_select="fft"
3277 spp_filter_deps="gpl avcodec"
3278 spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"
3279 stereo3d_filter_deps="gpl"
3280 subtitles_filter_deps="avformat avcodec libass"
3281 super2xsai_filter_deps="gpl"
3282 pixfmts_super2xsai_test_deps="super2xsai_filter"
3283 tinterlace_filter_deps="gpl"
3284 tinterlace_merge_test_deps="tinterlace_filter"
3285 tinterlace_pad_test_deps="tinterlace_filter"
3286 tonemap_filter_deps="const_nan"
3287 unsharp_opencl_filter_deps="opencl"
3288 uspp_filter_deps="gpl avcodec"
3289 vaguedenoiser_filter_deps="gpl"
3290 vidstabdetect_filter_deps="libvidstab"
3291 vidstabtransform_filter_deps="libvidstab"
3292 libvmaf_filter_deps="libvmaf"
3293 zmq_filter_deps="libzmq"
3294 zoompan_filter_deps="swscale"
3295 zscale_filter_deps="libzimg const_nan"
3296 scale_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
3297 vpp_qsv_filter_deps="libmfx"
3298 vpp_qsv_filter_select="qsvvpp"
3301 avio_dir_cmd_deps="avformat avutil"
3302 avio_reading_deps="avformat avcodec avutil"
3303 decode_audio_example_deps="avcodec avutil"
3304 decode_video_example_deps="avcodec avutil"
3305 demuxing_decoding_example_deps="avcodec avformat avutil"
3306 encode_audio_example_deps="avcodec avutil"
3307 encode_video_example_deps="avcodec avutil"
3308 extract_mvs_example_deps="avcodec avformat avutil"
3309 filter_audio_example_deps="avfilter avutil"
3310 filtering_audio_example_deps="avfilter avcodec avformat avutil"
3311 filtering_video_example_deps="avfilter avcodec avformat avutil"
3312 http_multiclient_example_deps="avformat avutil fork"
3313 hw_decode_example_deps="avcodec avformat avutil"
3314 metadata_example_deps="avformat avutil"
3315 muxing_example_deps="avcodec avformat avutil swscale"
3316 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder"
3317 remuxing_example_deps="avcodec avformat avutil"
3318 resampling_audio_example_deps="avutil swresample"
3319 scaling_video_example_deps="avutil swscale"
3320 transcode_aac_example_deps="avcodec avformat swresample"
3321 transcoding_example_deps="avfilter avcodec avformat avutil"
3322 vaapi_encode_example_deps="avcodec avutil"
3325 cpu_init_extralibs="pthreads_extralibs"
3326 cws2fws_extralibs="zlib_extralibs"
3328 # libraries, in linking order
3329 avcodec_deps="avutil"
3330 avcodec_suggest="libm"
3331 avcodec_select="null_bsf"
3332 avdevice_deps="avformat avcodec avutil"
3333 avdevice_suggest="libm"
3334 avfilter_deps="avutil"
3335 avfilter_suggest="libm"
3336 avformat_deps="avcodec avutil"
3337 avformat_suggest="libm network zlib"
3338 avresample_deps="avutil"
3339 avresample_suggest="libm"
3340 avutil_suggest="clock_gettime cuda libm libdrm libmfx opencl user32 vaapi videotoolbox corefoundation corevideo coremedia wincrypt"
3341 postproc_deps="avutil gpl"
3342 postproc_suggest="libm"
3343 swresample_deps="avutil"
3344 swresample_suggest="libm libsoxr"
3345 swscale_deps="avutil"
3346 swscale_suggest="libm"
3348 avcodec_extralibs="pthreads_extralibs iconv_extralibs"
3349 avfilter_extralibs="pthreads_extralibs"
3350 avutil_extralibs="d3d11va_extralibs nanosleep_extralibs pthreads_extralibs vaapi_drm_extralibs vaapi_x11_extralibs vdpau_x11_extralibs"
3353 ffmpeg_deps="avcodec avfilter avformat swresample"
3354 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
3357 ffmpeg_suggest="ole32 psapi shell32"
3358 ffplay_deps="avcodec avformat swscale swresample sdl2"
3359 ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"
3360 ffplay_suggest="shell32"
3361 ffprobe_deps="avcodec avformat"
3362 ffprobe_suggest="shell32"
3363 ffserver_deps="avformat fork sarestart"
3364 ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
3367 podpages_deps="perl"
3368 manpages_deps="perl pod2man"
3369 htmlpages_deps="perl"
3370 htmlpages_deps_any="makeinfo_html texi2html"
3371 txtpages_deps="perl makeinfo"
3372 doc_deps_any="manpages htmlpages podpages txtpages"
3374 # default parameters
3376 logfile="ffbuild/config.log"
3378 # installation paths
3379 prefix_default="/usr/local"
3380 bindir_default='${prefix}/bin'
3381 datadir_default='${prefix}/share/ffmpeg'
3382 docdir_default='${prefix}/share/doc/ffmpeg'
3383 incdir_default='${prefix}/include'
3384 libdir_default='${prefix}/lib'
3385 mandir_default='${prefix}/share/man'
3391 host_cc_default="gcc"
3392 doxygen_default="doxygen"
3394 ln_s_default="ln -s -f"
3396 pkg_config_default=pkg-config
3397 ranlib_default="ranlib"
3398 strip_default="strip"
3399 version_script='--version-script'
3401 x86asmexe_default="nasm"
3402 windres_default="windres"
3404 nvccflags_default="-gencode arch=compute_30,code=sm_30 -O2"
3408 target_os_default=$(tolower $(uname -s))
3409 host_os=$target_os_default
3412 if test "$target_os_default" = aix; then
3413 arch_default=$(uname -p)
3414 strip_default="strip -X32_64"
3416 arch_default=$(uname -m)
3421 # configurable options
3422 enable $PROGRAM_LIST
3423 enable $DOCUMENT_LIST
3424 enable $EXAMPLE_LIST
3425 enable $(filter_out avresample $LIBRARY_LIST)
3431 enable faan faandct faanidct
3432 enable optimizations
3433 enable runtime_cpudetect
3434 enable safe_bitstream_reader
3436 enable swscale_alpha
3437 enable valgrind_backtrace
3439 sws_max_filter_size_default=256
3440 set_default sws_max_filter_size
3442 # internal components are enabled by default
3443 enable $EXTRALIBS_LIST
3445 # Avoid external, non-system, libraries getting enabled by dependency resolution
3446 disable $EXTERNAL_LIBRARY_LIST $HWACCEL_LIBRARY_LIST
3449 SHFLAGS='-shared -Wl,-soname,$$(@F)'
3452 FULLNAME='$(NAME)$(BUILDSUF)'
3453 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
3456 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
3457 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
3458 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
3459 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
3460 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
3461 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
3462 VERSION_SCRIPT_POSTPROCESS_CMD="cat"
3489 host_extralibs='-lm'
3490 host_cflags_filter=echo
3491 host_ldflags_filter=echo
3493 target_path='$(CURDIR)'
3495 # since the object filename is not given with the -MM flag, the compiler
3496 # is only able to print the basename, and we must add the path ourselves
3497 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>/dev/null | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(@F),$(@D)/$(@F)," > $(@:.o=.d)'
3503 if test -f configure; then
3506 source_path=$(cd $(dirname "$0"); pwd)
3507 case "$source_path" in
3508 *[[:blank:]]*) die "Out of tree builds are impossible with whitespace in source path." ;;
3510 test -e "$source_path/config.h" &&
3511 die "Out of tree builds are impossible with config.h in source dir."
3518 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
3524 file=$source_path/$3
3525 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
3528 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
3529 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
3530 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
3531 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
3532 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
3533 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
3534 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
3535 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
3537 find_things_extern(){
3540 file=$source_path/$3
3541 sed -n "s/^[^#]*extern.*$pattern *ff_\([^ ]*\)_$thing;/\1_$thing/p" "$file"
3544 BSF_LIST=$(find_things_extern bsf AVBitStreamFilter libavcodec/bitstream_filters.c)
3545 HWACCEL_LIST=$(find_things_extern hwaccel AVHWAccel libavcodec/hwaccels.h)
3546 PROTOCOL_LIST=$(find_things_extern protocol URLProtocol libavformat/protocols.c)
3548 AVCODEC_COMPONENTS_LIST="
3556 AVDEVICE_COMPONENTS_LIST="
3561 AVFILTER_COMPONENTS_LIST="
3565 AVFORMAT_COMPONENTS_LIST="
3572 $AVCODEC_COMPONENTS_LIST
3573 $AVDEVICE_COMPONENTS_LIST
3574 $AVFILTER_COMPONENTS_LIST
3575 $AVFORMAT_COMPONENTS_LIST
3578 for n in $COMPONENT_LIST; do
3579 v=$(toupper ${n%s})_LIST
3581 eval ${n}_if_any="\$$v"
3584 enable $ARCH_EXT_LIST
3587 echo "Unknown option \"$1\"."
3588 echo "See $0 --help for available options."
3592 print_in_columns() {
3593 cols=$(expr $ncols / 24)
3594 cat | tr ' ' '\n' | sort | pr -r "-$cols" -w $ncols -t
3600 echo $* | sed s/$suffix//g | print_in_columns
3612 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
3613 echo "prob ${prob:-0.5}"
3621 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
3622 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
3631 --extra-ldexeflags=*)
3632 add_ldexeflags $optval
3634 --extra-ldsoflags=*)
3635 add_ldsoflags $optval
3637 --extra-ldlibflags=*)
3638 warn "The --extra-ldlibflags option is only provided for compatibility and will be\n"\
3639 "removed in the future. Use --extra-ldsoflags instead."
3640 add_ldsoflags $optval
3643 add_extralibs $optval
3646 disable $INDEV_LIST $OUTDEV_LIST
3649 debuglevel="$optval"
3652 disable $PROGRAM_LIST
3654 --disable-everything)
3655 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3658 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3659 disable $LIBRARY_LIST $PROGRAM_LIST doc
3662 --enable-random|--disable-random)
3663 action=${opt%%-random}
3664 do_random ${action#--} $COMPONENT_LIST
3666 --enable-random=*|--disable-random=*)
3667 action=${opt%%-random=*}
3668 do_random ${action#--} $optval
3673 --enable-*=*|--disable-*=*)
3674 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
3675 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
3676 eval list=\$$(toupper $thing)_LIST
3677 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
3678 list=$(filter "$name" $list)
3679 [ "$list" = "" ] && warn "Option $opt did not match anything"
3682 --enable-yasm|--disable-yasm)
3683 warn "The ${opt} option is only provided for compatibility and will be\n"\
3684 "removed in the future. Use --enable-x86asm / --disable-x86asm instead."
3685 test $opt = --enable-yasm && x86asm=yes || x86asm=no
3688 warn "The --yasmexe option is only provided for compatibility and will be\n"\
3689 "removed in the future. Use --x86asmexe instead."
3692 --enable-?*|--disable-?*)
3693 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
3694 if is_in $option $COMPONENT_LIST; then
3695 test $action = disable && action=unset
3696 eval $action \$$(toupper ${option%s})_LIST
3697 elif is_in $option $CMDLINE_SELECT; then
3704 NAME="${opt#--list-}"
3705 is_in $NAME $COMPONENT_LIST || die_unknown $opt
3707 eval show_list $NAME \$$(toupper $NAME)_LIST
3709 --help|-h) show_help
3711 --quiet|-q) quiet=yes
3713 --fatal-warnings) enable fatal_warnings
3716 libfuzzer_path="$optval"
3719 optname="${opt%%=*}"
3720 optname="${optname#--}"
3721 optname=$(echo "$optname" | sed 's/-/_/g')
3722 if is_in $optname $CMDLINE_SET; then
3723 eval $optname='$optval'
3724 elif is_in $optname $CMDLINE_APPEND; then
3725 append $optname "$optval"
3737 if disabled autodetect; then
3739 # Unless iconv is explicitely disabled by the user, we still want to probe
3740 # for the iconv from the libc.
3741 disabled iconv || enable libc_iconv
3743 disable_weak $EXTERNAL_AUTODETECT_LIBRARY_LIST
3744 disable_weak $HWACCEL_AUTODETECT_LIBRARY_LIST
3746 # Mark specifically enabled, but normally autodetected libraries as requested.
3747 for lib in $AUTODETECT_LIBS; do
3748 enabled $lib && request $lib
3750 #TODO: switch to $AUTODETECT_LIBS when $THREADS_LIST is supported the same way
3751 enable_weak $EXTERNAL_AUTODETECT_LIBRARY_LIST
3752 enable_weak $HWACCEL_AUTODETECT_LIBRARY_LIST
3754 disabled logging && logfile=/dev/null
3756 # command line configuration sanity checks
3758 # we need to build at least one lib type
3759 if ! enabled_any static shared; then
3761 At least one library type must be built.
3762 Specify --enable-static to build the static libraries or --enable-shared to
3763 build the shared libraries as well. To only build the shared libraries specify
3764 --disable-static in addition to --enable-shared.
3769 die_license_disabled() {
3770 enabled $1 || { enabled $v && die "$v is $1 and --enable-$1 is not specified."; }
3773 die_license_disabled_gpl() {
3774 enabled $1 || { enabled $v && die "$v is incompatible with the gpl and --enable-$1 is not specified."; }
3777 map "die_license_disabled gpl" $EXTERNAL_LIBRARY_GPL_LIST $EXTERNAL_LIBRARY_GPLV3_LIST
3778 map "die_license_disabled version3" $EXTERNAL_LIBRARY_VERSION3_LIST $EXTERNAL_LIBRARY_GPLV3_LIST
3780 enabled gpl && map "die_license_disabled_gpl nonfree" $EXTERNAL_LIBRARY_NONFREE_LIST
3781 map "die_license_disabled nonfree" $HWACCEL_LIBRARY_NONFREE_LIST
3783 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3785 enabled_all gnutls openssl &&
3786 die "GnuTLS and OpenSSL must not be enabled at the same time."
3788 # Disable all the library-specific components if the library itself
3789 # is disabled, see AVCODEC_LIST and following _LIST variables.
3791 disable_components(){
3792 disabled ${1} && disable $(
3793 eval components="\$$(toupper ${1})_COMPONENTS"
3794 map 'eval echo \${$(toupper ${v%s})_LIST}' $components
3798 map 'disable_components $v' $LIBRARY_LIST
3800 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
3803 test -n "$valgrind" && toolchain="valgrind-memcheck"
3805 enabled ossfuzz && {
3806 add_cflags -fsanitize=address,undefined -fsanitize-coverage=trace-pc-guard,trace-cmp -fno-omit-frame-pointer
3807 add_ldflags -fsanitize=address,undefined -fsanitize-coverage=trace-pc-guard,trace-cmp
3810 case "$toolchain" in
3812 cc_default="${toolchain%-asan}"
3813 add_cflags -fsanitize=address
3814 add_ldflags -fsanitize=address
3817 cc_default="${toolchain%-msan}"
3818 add_cflags -fsanitize=memory -fsanitize-memory-track-origins
3819 add_ldflags -fsanitize=memory
3822 cc_default="${toolchain%-tsan}"
3823 add_cflags -fsanitize=thread -fPIE
3824 add_ldflags -fsanitize=thread -pie
3825 case "$toolchain" in
3833 cc_default="${toolchain%-usan}"
3834 add_cflags -fsanitize=undefined
3835 add_ldflags -fsanitize=undefined
3838 target_exec_default="valgrind"
3839 case "$toolchain" in
3841 target_exec_args="--tool=massif --alloc-fn=av_malloc --alloc-fn=av_mallocz --alloc-fn=av_calloc --alloc-fn=av_fast_padded_malloc --alloc-fn=av_fast_malloc --alloc-fn=av_realloc_f --alloc-fn=av_fast_realloc --alloc-fn=av_realloc"
3844 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
3849 # Check whether the current MSVC version needs the C99 converter.
3850 # From MSVC 2013 (compiler major version 18) onwards, it does actually
3851 # support enough of C99 to build ffmpeg. Default to the new
3852 # behaviour if the regexp was unable to match anything, since this
3853 # successfully parses the version number of existing supported
3854 # versions that require the converter (MSVC 2010 and 2012).
3855 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
3856 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
3860 cc_default="c99wrap cl"
3861 cxx_default="c99wrap cl"
3863 ld_default="$source_path/compat/windows/mslink"
3864 nm_default="dumpbin -symbols"
3868 as_default="armasm64"
3874 target_os_default="win32"
3875 # Use a relative path for TMPDIR. This makes sure all the
3876 # ffconf temp files are written with a relative path, avoiding
3877 # issues with msys/win32 path conversion for MSVC parameters
3878 # such as -Fo<file> or -out:<file>.
3884 nm_default="dumpbin -symbols"
3886 target_os_default="win32"
3890 add_cflags -fprofile-arcs -ftest-coverage
3891 add_ldflags -fprofile-arcs -ftest-coverage
3894 add_cflags -fprofile-arcs -ftest-coverage
3895 add_ldflags --coverage
3898 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
3899 add_cflags -fno-strict-overflow -fstack-protector-all
3900 add_ldflags -Wl,-z,relro -Wl,-z,now
3902 add_ldexeflags -fPIE -pie
3905 die "Unknown toolchain $toolchain"
3909 if test -n "$cross_prefix"; then
3910 test -n "$arch" && test -n "$target_os" ||
3911 die "Must specify target arch (--arch) and OS (--target-os) when cross-compiling"
3912 enable cross_compile
3915 ar_default="${cross_prefix}${ar_default}"
3916 cc_default="${cross_prefix}${cc_default}"
3917 cxx_default="${cross_prefix}${cxx_default}"
3918 nm_default="${cross_prefix}${nm_default}"
3919 pkg_config_default="${cross_prefix}${pkg_config_default}"
3920 if ${cross_prefix}${ranlib_default} 2>&1 | grep -q "\-D "; then
3921 ranlib_default="${cross_prefix}${ranlib_default} -D"
3923 ranlib_default="${cross_prefix}${ranlib_default}"
3925 strip_default="${cross_prefix}${strip_default}"
3926 windres_default="${cross_prefix}${windres_default}"
3928 sysinclude_default="${sysroot}/usr/include"
3930 set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \
3931 target_exec target_os x86asmexe nvcc
3932 enabled cross_compile || host_cc_default=$cc
3935 pkg_config_fail_message=""
3936 if ! $pkg_config --version >/dev/null 2>&1; then
3937 warn "$pkg_config not found, library detection may fail."
3939 elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then
3940 pkg_config_fail_message="
3941 Note: When building a static binary, add --pkg-config-flags=\"--static\"."
3944 if test $doxygen != $doxygen_default && \
3945 ! $doxygen --version >/dev/null 2>&1; then
3946 warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."
3951 mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
3955 EXESUF=$(exesuf $target_os)
3956 HOSTEXESUF=$(exesuf $host_os)
3958 # set temporary file name
3959 : ${TMPDIR:=$TEMPDIR}
3963 if [ -n "$tempprefix" ] ; then
3965 tmpname="$tempprefix.${HOSTNAME}.${UID}"
3969 elif ! check_cmd mktemp -u XXXXXX; then
3970 # simple replacement for missing mktemp
3971 # NOT SAFE FOR GENERAL USE
3973 tmpname="${2%%XXX*}.${HOSTNAME}.${UID}.$$"
3979 FFTMPDIR=$(mktemp -d "${TMPDIR}/ffconf.XXXXXXXX" 2> /dev/null) ||
3980 die "Unable to create temporary directory in $TMPDIR."
3983 tmp="${FFTMPDIR}/test"$2
3984 (set -C; exec > $tmp) 2> /dev/null ||
3985 die "Unable to create temporary file in $FFTMPDIR."
3989 trap 'rm -rf -- "$FFTMPDIR"' EXIT
3995 tmpfile TMPE $EXESUF
4007 # make sure we can execute files in $TMPDIR
4008 cat > $TMPSH 2>> $logfile <<EOF
4011 chmod +x $TMPSH >> $logfile 2>&1
4012 if ! $TMPSH >> $logfile 2>&1; then
4014 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
4015 variable to another directory and make sure that it is not mounted noexec.
4017 die "Sanity test failed."
4023 # Filter out MSVC cl.exe options from cflags that shouldn't
4024 # be passed to gas-preprocessor
4034 -Wno-switch) echo -Wno-switch-enum ;;
4035 -Wno-format-zero-length) ;;
4036 -Wdisabled-optimization) ;;
4037 -Wno-pointer-sign) echo -Wno-other ;;
4043 msvc_common_flags(){
4046 # In addition to specifying certain flags under the compiler
4047 # specific filters, they must be specified here as well or else the
4048 # generic catch all at the bottom will print the original flag.
4053 -fomit-frame-pointer) ;;
4057 -fno-signed-zeros) ;;
4061 -lz) echo zlib.lib ;;
4062 -lx264) echo libx264.lib ;;
4064 -l*) echo ${flag#-l}.lib ;;
4065 -LARGEADDRESSAWARE) echo $flag ;;
4066 -L*) echo -libpath:${flag#-L} ;;
4073 msvc_common_flags "$@"
4076 -Wall) echo -W3 -wd4018 -wd4146 -wd4244 -wd4305 \
4078 -Wextra) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
4079 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
4080 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
4082 -wd4273 -wd4554 -wd4701 -wd4703 ;;
4088 msvc_common_flags "$@"
4091 # Despite what Intel's documentation says -Wall, which is supported
4092 # on Windows, does enable remarks so disable them here.
4093 -Wall) echo $flag -Qdiag-disable:remark ;;
4094 -std=c99) echo -Qstd=c99 ;;
4113 case "${flag#*=}" in
4114 native) echo -xtarget=native ;;
4115 v9|niagara) echo -xarch=sparc ;;
4116 ultrasparc) echo -xarch=sparcvis ;;
4117 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
4118 i586|pentium) echo -xchip=pentium ;;
4119 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
4120 pentium3*|c3-2) echo -xtarget=pentium3 ;;
4121 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
4122 pentium4*) echo -xtarget=pentium4 ;;
4123 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
4124 *-sse3) echo -xarch=sse3 ;;
4125 core2) echo -xarch=ssse3 -xchip=core2 ;;
4126 bonnell) echo -xarch=ssse3 ;;
4127 corei7|nehalem) echo -xtarget=nehalem ;;
4128 westmere) echo -xtarget=westmere ;;
4129 silvermont) echo -xarch=sse4_2 ;;
4130 corei7-avx|sandybridge) echo -xtarget=sandybridge ;;
4131 core-avx*|ivybridge|haswell|broadwell|skylake*|knl)
4133 amdfam10|barcelona) echo -xtarget=barcelona ;;
4134 btver1) echo -xarch=amdsse4a ;;
4135 btver2|bdver*|znver*) echo -xarch=avx ;;
4136 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
4137 k8|opteron|athlon64|athlon-fx)
4138 echo -xarch=sse2a ;;
4139 athlon*) echo -xarch=pentium_proa ;;
4142 -std=c99) echo -xc99 ;;
4143 -fomit-frame-pointer) echo -xregs=frameptr ;;
4144 -fPIC) echo -KPIC -xcode=pic32 ;;
4145 -W*,*) echo $flag ;;
4146 -f*-*|-W*|-mimpure-text) ;;
4158 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
4159 unset _ld_o _ldflags _ld_lib _ld_path
4160 unset _depflags _DEPCMD _DEPFLAGS
4163 if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
4164 true # no-op to avoid reading stdin in following checks
4165 elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
4167 gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')
4168 _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"
4169 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4172 elif $_cc -v 2>&1 | grep -qi ^gcc; then
4174 gcc_version=$($_cc --version | head -n1)
4175 gcc_basever=$($_cc -dumpversion)
4176 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
4177 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
4178 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
4179 case $gcc_basever in
4182 *) _depflags='-MMD -MF $(@:.o=.d) -MT $@' ;;
4184 if [ "$first" = true ]; then
4185 case $gcc_basever in
4187 warn "gcc 4.2 is outdated and may miscompile FFmpeg. Please use a newer compiler." ;;
4192 elif $_cc --version 2>/dev/null | grep -q ^icc; then
4194 _ident=$($_cc --version | head -n1)
4199 _flags_filter=icc_flags
4200 elif $_cc -v 2>&1 | grep -q xlc; then
4202 _ident=$($_cc -qversion 2>/dev/null | head -n1)
4204 _cflags_size='-O5 -qcompact'
4205 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
4206 test -d "$sysroot" || die "No valid sysroot specified."
4208 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
4209 armcc_conf="$PWD/armcc.conf"
4210 $_cc --arm_linux_configure \
4211 --arm_linux_config_file="$armcc_conf" \
4212 --configure_sysroot="$sysroot" \
4213 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
4214 die "Error creating armcc configuration file."
4215 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
4216 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
4217 as_default="${cross_prefix}gcc"
4221 elif $_cc -v 2>&1 | grep -q clang; then
4223 _ident=$($_cc --version 2>/dev/null | head -n1)
4224 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4227 elif $_cc -V 2>&1 | grep -q Sun; then
4229 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
4230 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
4231 _DEPFLAGS='-xM1 -xc99'
4234 _cflags_size='-O5 -xspace'
4235 _flags_filter=suncc_flags
4236 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
4238 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
4239 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4242 _flags_filter='filter_out -Wdisabled-optimization'
4243 elif $_cc -v 2>&1 | grep -q Open64; then
4245 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
4246 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4249 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
4250 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
4252 _ident=$($_cc | head -n1)
4253 # 4509: "This form of conditional instruction is deprecated"
4254 _flags="-nologo -ignore 4509"
4255 _flags_filter=armasm_flags
4256 elif $_cc 2>&1 | grep -q Intel; then
4258 _ident=$($_cc 2>&1 | head -n1)
4259 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
4260 # Not only is O3 broken on 13.x+ but it is slower on all previous
4261 # versions (tested) as well.
4263 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
4264 if $_cc 2>&1 | grep -q Linker; then
4271 _flags_filter=icl_flags
4273 _ld_path='-libpath:'
4274 # -Qdiag-error to make icl error when seeing certain unknown arguments
4275 _flags='-nologo -Qdiag-error:4044,10157'
4276 # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency
4277 # with MSVC which enables it by default.
4278 _cflags='-Qms0 -Qvec- -Qsimd- -GS -fp:precise'
4280 elif $_cc -? 2>/dev/null | grep -q 'LLVM.*Linker'; then
4281 # lld can emulate multiple different linkers; in ms link.exe mode,
4282 # the -? parameter gives the help output which contains an identifyable
4283 # string, while it gives an error in other modes.
4285 # The link.exe mode doesn't have a switch for getting the version,
4286 # but we can force it back to gnu mode and get the version from there.
4287 _ident=$($_cc -flavor gnu --version 2>/dev/null)
4289 _flags_filter=msvc_flags
4291 _ld_path='-libpath:'
4292 elif $_cc -nologo- 2>&1 | grep -q Microsoft; then
4294 _ident=$($_cc 2>&1 | head -n1)
4295 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
4296 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
4300 if $_cc -nologo- 2>&1 | grep -q Linker; then
4307 _flags_filter=msvc_flags
4309 _ld_path='-libpath:'
4312 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
4314 _ident=$($_cc --version | head -n1)
4318 _flags_filter=cparser_flags
4321 eval ${pfx}_type=\$_type
4322 eval ${pfx}_ident=\$_ident
4326 eval ${1}_C=\${_cc_c-\${${1}_C}}
4327 eval ${1}_E=\${_cc_e-\${${1}_E}}
4328 eval ${1}_O=\${_cc_o-\${${1}_O}}
4330 if [ -n "$_depflags" ]; then
4331 eval ${1}_DEPFLAGS=\$_depflags
4333 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
4334 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
4335 eval DEP${1}FLAGS=\$_flags
4339 probe_cc cc "$cc" "true"
4340 cflags_filter=$_flags_filter
4341 cflags_speed=$_cflags_speed
4342 cflags_size=$_cflags_size
4343 cflags_noopt=$_cflags_noopt
4344 add_cflags $_flags $_cflags
4345 cc_ldflags=$_ldflags
4349 probe_cc hostcc "$host_cc"
4350 host_cflags_filter=$_flags_filter
4351 host_cflags_speed=$_cflags_speed
4352 add_host_cflags $_flags $_cflags
4355 test -n "$cc_type" && enable $cc_type ||
4356 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
4358 : ${as_default:=$cc}
4359 : ${objcc_default:=$cc}
4360 : ${dep_cc_default:=$cc}
4361 : ${ld_default:=$cc}
4362 : ${host_ld_default:=$host_cc}
4363 set_default ar as objcc dep_cc ld ln_s host_ld windres
4366 asflags_filter=$_flags_filter
4367 add_asflags $_flags $_cflags
4370 probe_cc objcc "$objcc"
4371 objcflags_filter=$_flags_filter
4372 add_objcflags $_flags $_cflags
4376 ldflags_filter=$_flags_filter
4377 add_ldflags $_flags $_ldflags
4378 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
4380 LD_LIB=${_ld_lib-$LD_LIB}
4381 LD_PATH=${_ld_path-$LD_PATH}
4383 probe_cc hostld "$host_ld"
4384 host_ldflags_filter=$_flags_filter
4385 add_host_ldflags $_flags $_ldflags
4386 HOSTLD_O=${_ld_o-$HOSTLD_O}
4388 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
4389 probe_cc depcc "$dep_cc"
4390 CCDEP=${_DEPCMD:-$DEPCMD}
4391 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
4395 if $ar 2>&1 | grep -q Microsoft; then
4398 elif $ar 2>&1 | grep -q "\[D\] "; then
4406 add_cflags $extra_cflags
4407 add_cxxflags $extra_cxxflags
4408 add_objcflags $extra_objcflags
4409 add_asflags $extra_cflags
4411 if test -n "$sysroot"; then
4414 add_cppflags --sysroot="$sysroot"
4415 add_ldflags --sysroot="$sysroot"
4420 if test "$cpu" = host; then
4421 enabled cross_compile &&
4422 die "--cpu=host makes no sense when cross-compiling."
4427 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
4429 s/.*$1=\\([^ ]*\\).*/\\1/
4434 cpu=$(check_native -march || check_native -mcpu)
4438 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
4439 sed -n "/cc1.*-target-cpu /{
4440 s/.*-target-cpu \\([^ ]*\\).*/\\1/
4445 cpu=$(check_native -march)
4449 test "${cpu:-host}" = host &&
4450 die "--cpu=host not supported with compiler $cc"
4453 # Deal with common $arch aliases
4477 "Power Macintosh"|ppc*|powerpc*)
4492 i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
4497 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
4500 # Add processor-specific flags
4501 if enabled aarch64; then
4505 cpuflags="-march=$cpu"
4508 cpuflags="-mcpu=$cpu"
4512 elif enabled alpha; then
4514 cpuflags="-mcpu=$cpu"
4516 elif enabled arm; then
4519 check_cpp_condition stddef.h \
4520 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
4525 if check_arm_arch 4; then echo armv4
4526 elif check_arm_arch 4T; then echo armv4t
4527 elif check_arm_arch 5; then echo armv5
4528 elif check_arm_arch 5E; then echo armv5e
4529 elif check_arm_arch 5T; then echo armv5t
4530 elif check_arm_arch 5TE; then echo armv5te
4531 elif check_arm_arch 5TEJ; then echo armv5te
4532 elif check_arm_arch 6; then echo armv6
4533 elif check_arm_arch 6J; then echo armv6j
4534 elif check_arm_arch 6K; then echo armv6k
4535 elif check_arm_arch 6Z; then echo armv6z
4536 elif check_arm_arch 6KZ; then echo armv6zk
4537 elif check_arm_arch 6ZK; then echo armv6zk
4538 elif check_arm_arch 6T2; then echo armv6t2
4539 elif check_arm_arch 7; then echo armv7
4540 elif check_arm_arch 7A 7_A; then echo armv7-a
4541 elif check_arm_arch 7S; then echo armv7-a
4542 elif check_arm_arch 7R 7_R; then echo armv7-r
4543 elif check_arm_arch 7M 7_M; then echo armv7-m
4544 elif check_arm_arch 7EM 7E_M; then echo armv7-m
4545 elif check_arm_arch 8A 8_A; then echo armv8-a
4549 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
4553 cpuflags="-march=$cpu"
4554 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
4557 cpuflags="-mcpu=$cpu"
4559 cortex-a*) subarch=armv7a ;;
4560 cortex-r*) subarch=armv7r ;;
4561 cortex-m*) enable thumb; subarch=armv7m ;;
4562 arm11*) subarch=armv6 ;;
4563 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
4564 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
4565 *) subarch=$(probe_arm_arch) ;;
4571 armv5t*) enable fast_clz ;;
4574 disabled fast_unaligned || enable fast_unaligned
4578 elif enabled avr32; then
4583 cpuflags="-mpart=$cpu"
4587 cpuflags="-march=$cpu"
4591 cpuflags="-mcpu=$cpu"
4595 cpuflags="-march=$cpu"
4599 elif enabled bfin; then
4601 cpuflags="-mcpu=$cpu"
4603 elif enabled mips; then
4605 cpuflags="-march=$cpu"
4607 if [ "$cpu" != "generic" ]; then
4617 24kc|24kf*|24kec|34kc|1004kc|24kef*|34kf*|1004kf*|74kc|74kf)
4628 enable local_aligned
4629 enable simd_align_16
4633 enable fast_unaligned
4634 disable aligned_stack
4640 cpuflags="-march=loongson3a -mhard-float -fno-expensive-optimizations"
4643 cpuflags="-march=loongson2e -mhard-float -fno-expensive-optimizations"
4646 cpuflags="-march=loongson2f -mhard-float -fno-expensive-optimizations"
4651 # Unknown CPU. Disable everything.
4652 warn "unknown CPU. Disabling all MIPS optimizations."
4675 24kef*|34kf*|1004kf*)
4683 check_cflags "-mtune=p5600" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops"
4687 check_cflags "-mtune=i6400 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64"
4691 check_cflags "-mtune=p6600 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64"
4695 # We do not disable anything. Is up to the user to disable the unwanted features.
4696 warn 'generic cpu selected'
4699 elif enabled ppc; then
4703 case $(tolower $cpu) in
4704 601|ppc601|powerpc601)
4705 cpuflags="-mcpu=601"
4708 603*|ppc603*|powerpc603*)
4709 cpuflags="-mcpu=603"
4712 604*|ppc604*|powerpc604*)
4713 cpuflags="-mcpu=604"
4716 g3|75*|ppc75*|powerpc75*)
4717 cpuflags="-mcpu=750"
4720 g4|745*|ppc745*|powerpc745*)
4721 cpuflags="-mcpu=7450"
4724 74*|ppc74*|powerpc74*)
4725 cpuflags="-mcpu=7400"
4728 g5|970|ppc970|powerpc970)
4729 cpuflags="-mcpu=970"
4733 cpuflags="-mcpu=$cpu"
4737 cpuflags="-mcpu=$cpu"
4740 cpuflags="-mcpu=cell"
4745 cpuflags="-mcpu=e500mc"
4749 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
4754 cpuflags="-mcpu=8540 -mhard-float"
4760 elif enabled sparc; then
4763 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
4764 cpuflags="-mcpu=$cpu"
4766 ultrasparc*|niagara[234])
4767 cpuflags="-mcpu=$cpu"
4771 elif enabled x86; then
4775 cpuflags="-march=$cpu"
4779 # targets that do NOT support nopl and conditional mov (cmov)
4780 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
4781 cpuflags="-march=$cpu"
4784 # targets that do support nopl and conditional mov (cmov)
4785 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\
4786 |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|skylake*|knl\
4787 |amdfam10|barcelona|b[dt]ver*|znver*)
4788 cpuflags="-march=$cpu"
4792 # targets that do support conditional mov but on which it's slow
4793 pentium4|pentium4m|prescott|nocona)
4794 cpuflags="-march=$cpu"
4802 if [ "$cpu" != generic ]; then
4803 add_cflags $cpuflags
4804 add_asflags $cpuflags
4805 test "$cc_type" = "$ld_type" && add_ldflags $cpuflags
4808 # compiler sanity check
4810 int main(void){ return 0; }
4812 if test "$?" != 0; then
4813 echo "$cc is unable to create an executable file."
4814 if test -z "$cross_prefix" && ! enabled cross_compile ; then
4815 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
4816 echo "Only do this if you know what cross compiling means."
4818 die "C compiler test failed."
4821 add_cppflags -D_ISOC99_SOURCE
4822 add_cxxflags -D__STDC_CONSTANT_MACROS
4823 check_cxxflags -std=c++11 || check_cxxflags -std=c++0x
4825 # some compilers silently accept -std=c11, so we also need to check that the
4826 # version macro is defined properly
4827 test_cflags_cc -std=c11 ctype.h "__STDC_VERSION__ >= 201112L" &&
4828 add_cflags -std=c11 ||
4829 check_cflags -std=c99
4831 check_cppflags -D_FILE_OFFSET_BITS=64
4832 check_cppflags -D_LARGEFILE_SOURCE
4834 add_host_cppflags -D_ISOC99_SOURCE
4835 check_host_cflags -std=c99
4836 check_host_cflags -Wall
4837 check_host_cflags $host_cflags_speed
4843 check_code cc "" "int test[2*($expr) - 1]" &&
4844 subarch=$arch64 || subarch=$arch32
4850 enabled shared && enable_weak pic
4853 check_64bit mips mips64 '_MIPS_SIM > 1'
4854 enabled shared && enable_weak pic
4857 check_64bit parisc parisc64 'sizeof(void *) > 4'
4858 enabled shared && enable_weak pic
4861 check_64bit ppc ppc64 'sizeof(void *) > 4'
4862 enabled shared && enable_weak pic
4865 check_64bit s390 s390x 'sizeof(void *) > 4'
4866 enabled shared && enable_weak pic
4869 check_64bit sparc sparc64 'sizeof(void *) > 4'
4870 enabled shared && enable_weak pic
4873 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
4874 # Treat x32 as x64 for now. Note it also needs pic if shared
4875 test "$subarch" = "x86_32" && check_cpp_condition stddef.h 'defined(__x86_64__)' &&
4876 subarch=x86_64 && enable x86_64 && disable x86_32
4877 if enabled x86_64; then
4878 enabled shared && enable_weak pic
4888 add_cppflags '-I\$(SRC_PATH)/compat/aix'
4889 enabled shared && add_ldflags -Wl,-brtl
4890 arflags='-Xany -r -c'
4894 enable section_data_rel_ro
4895 SLIB_INSTALL_NAME='$(SLIBNAME)'
4897 SHFLAGS='-shared -Wl,-soname,$(SLIBNAME)'
4900 prefix_default="/boot/common"
4901 network_extralibs="-lnetwork"
4905 SHFLAGS='-shared -Wl,-h,$$(@F)'
4906 enabled x86 && append SHFLAGS -mimpure-text
4907 network_extralibs="-lsocket -lnsl"
4908 add_cppflags -D__EXTENSIONS__
4909 # When using suncc to build, the Solaris linker will mark
4910 # an executable with each instruction set encountered by
4911 # the Solaris assembler. As our libraries contain their own
4912 # guards for processor-specific code, instead suppress
4913 # generation of the HWCAPS ELF section on Solaris x86 only.
4914 enabled_all suncc x86 &&
4915 echo "hwcap_1 = OVERRIDE;" > mapfile &&
4916 add_ldflags -Wl,-M,mapfile
4917 nm_default='nm -P -g'
4919 VERSION_SCRIPT_POSTPROCESS_CMD='perl $(SRC_PATH)/compat/solaris/make_sunver.pl - $(OBJS)'
4923 oss_indev_extralibs="-lossaudio"
4924 oss_outdev_extralibs="-lossaudio"
4925 enabled gcc || check_ldflags -Wl,-zmuldefs
4930 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
4932 oss_indev_extralibs="-lossaudio"
4933 oss_outdev_extralibs="-lossaudio"
4941 add_extralibs -lpoll -lgnugetopt
4945 enabled ppc && add_asflags -force_cpusubtype_ALL
4946 install_name_dir_default='$(SHLIBDIR)'
4947 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(INSTALL_NAME_DIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
4948 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
4950 add_ldflags -Wl,-dynamic,-search_paths_first
4951 check_cflags -Werror=partial-availability
4953 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
4954 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
4955 enabled x86_64 && objformat="macho64" || objformat="macho32"
4956 enabled_any pic shared x86_64 ||
4957 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
4958 check_header dispatch/dispatch.h &&
4959 add_cppflags '-I\$(SRC_PATH)/compat/dispatch_semaphore'
4960 if test -n "$sysroot"; then
4961 is_in -isysroot $cc $CPPFLAGS $CFLAGS || check_cppflags -isysroot $sysroot
4962 is_in -isysroot $ld $LDFLAGS || check_ldflags -isysroot $sysroot
4964 version_script='-exported_symbols_list'
4965 VERSION_SCRIPT_POSTPROCESS_CMD='tr " " "\n" | sed -n /global:/,/local:/p | grep ";" | tr ";" "\n" | sed -E "s/(.+)/_\1/g" | sed -E "s/(.+[^*])$$$$/\1*/"'
4968 die "Native MSYS builds are discouraged, please use the MINGW environment."
4972 if enabled shared; then
4973 # Cannot build both shared and static libs when using dllimport.
4976 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
4977 enabled x86_32 && check_ldflags -Wl,--large-address-aware
4978 shlibdir_default="$bindir_default"
4981 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4982 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4983 SLIB_EXTRA_CMD='cp $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4984 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4986 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4987 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4988 SLIB_CREATE_DEF_CMD='EXTERN_PREFIX="$(EXTERN_PREFIX)" AR="$(AR_CMD)" NM="$(NM_CMD)" $(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
4989 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--disable-auto-image-base $$(@:$(SLIBSUF)=.def)'
4990 enabled x86_64 && objformat="win64" || objformat="win32"
4993 check_ldflags -Wl,--nxcompat,--dynamicbase
4994 # Lets work around some stupidity in binutils.
4995 # ld will strip relocations from executables even though we need them
4996 # for dynamicbase (ASLR). Using -pie does retain the reloc section
4997 # however ld then forgets what the entry point should be (oops) so we
4998 # have to manually (re)set it.
4999 if enabled x86_32; then
5000 disabled debug && add_ldexeflags -Wl,--pic-executable,-e,_mainCRTStartup
5001 elif enabled x86_64; then
5002 disabled debug && add_ldexeflags -Wl,--pic-executable,-e,mainCRTStartup
5003 check_ldflags -Wl,--high-entropy-va # binutils 2.25
5004 # Set image base >4GB for extra entropy with HEASLR
5005 add_ldexeflags -Wl,--image-base,0x140000000
5006 append SHFLAGS -Wl,--image-base,0x180000000
5011 if enabled shared; then
5012 # Link to the import library instead of the normal static library
5015 # Cannot build both shared and static libs with MSVC or icl.
5018 enabled x86_32 && check_ldflags -LARGEADDRESSAWARE
5019 shlibdir_default="$bindir_default"
5022 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
5023 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
5024 SLIB_CREATE_DEF_CMD='EXTERN_PREFIX="$(EXTERN_PREFIX)" $(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
5025 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
5027 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
5028 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
5029 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
5030 enabled x86_64 && objformat="win64" || objformat="win32"
5036 shlibdir_default="$bindir_default"
5039 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
5040 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
5041 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
5043 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
5044 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
5045 enabled x86_64 && objformat="win64" || objformat="win32"
5047 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
5048 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
5050 *-dos|freedos|opendos)
5051 network_extralibs="-lsocket"
5054 add_cppflags -U__STRICT_ANSI__
5057 enable section_data_rel_ro
5058 enabled_any arm aarch64 && enable_weak linux_perf
5062 ranlib="echo ignoring ranlib"
5068 add_cppflags -D_GNU_SOURCE
5069 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zhigh-mem -Zmap
5070 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
5074 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
5075 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(FULLNAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
5076 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(FULLNAME).def; \
5077 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(FULLNAME).def; \
5078 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(FULLNAME).def; \
5079 echo EXPORTS >> $(SUBDIR)$(FULLNAME).def; \
5080 emxexp $(OBJS) >> $(SUBDIR)$(FULLNAME).def'
5081 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(FULLNAME)_dll.a $(SUBDIR)$(FULLNAME).def; \
5082 emximp -o $(SUBDIR)$(LIBPREF)$(FULLNAME)_dll.lib $(SUBDIR)$(FULLNAME).def;'
5083 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
5085 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(FULLNAME)_dll.a $(LIBPREF)$(FULLNAME)_dll.lib'
5087 enable_weak os2threads
5090 add_cppflags -D_BSD_SOURCE
5095 add_cppflags -D_QNX_SOURCE
5096 network_extralibs="-lsocket"
5101 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
5102 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
5103 add_ldflags -Wl,--target1-abs,--no-undefined \
5104 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
5105 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
5106 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
5107 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
5108 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
5115 die "Unknown OS '$target_os'."
5119 # test if creating links works
5120 link_dest=$(mktemp -u $TMPDIR/dest_XXXXXXXX)
5121 link_name=$(mktemp -u $TMPDIR/name_XXXXXXXX)
5123 $ln_s "$link_dest" "$link_name"
5124 touch "$link_dest/test_file"
5125 if [ "$source_path" != "." ] && ([ ! -d src ] || [ -L src ]) && [ -e "$link_name/test_file" ]; then
5126 # create link to source path
5127 [ -e src ] && rm src
5128 $ln_s "$source_path" src
5131 # creating directory links doesn't work
5132 # fall back to using the full source path
5133 source_link="$source_path"
5139 # determine libc flavour
5144 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
5145 if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
5146 eval ${pfx}libc_type=uclibc
5147 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
5148 elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then
5149 eval ${pfx}libc_type=glibc
5150 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
5151 # MinGW headers can be installed on Cygwin, so check for newlib first.
5152 elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
5153 eval ${pfx}libc_type=newlib
5154 add_${pfx}cppflags -U__STRICT_ANSI__ -D_XOPEN_SOURCE=600
5155 # MinGW64 is backwards compatible with MinGW32, so check for it first.
5156 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
5157 eval ${pfx}libc_type=mingw64
5158 if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then
5159 add_compat msvcrt/snprintf.o
5160 add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
5162 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
5163 eval test \$${pfx_no_}cc_type = "gcc" &&
5164 add_${pfx}cppflags -D__printf__=__gnu_printf__
5165 check_${pfx}cpp_condition windows.h "!defined(_WIN32_WINNT) || _WIN32_WINNT < 0x0600" &&
5166 add_${pfx}cppflags -D_WIN32_WINNT=0x0600
5167 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" ||
5168 check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
5169 eval ${pfx}libc_type=mingw32
5170 check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
5171 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
5172 die "ERROR: MinGW32 runtime version must be >= 3.15."
5173 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
5174 check_${pfx}cpp_condition _mingw.h "__MSVCRT_VERSION__ < 0x0700" &&
5175 add_${pfx}cppflags -D__MSVCRT_VERSION__=0x0700
5176 check_${pfx}cpp_condition windows.h "!defined(_WIN32_WINNT) || _WIN32_WINNT < 0x0600" &&
5177 add_${pfx}cppflags -D_WIN32_WINNT=0x0600
5178 eval test \$${pfx_no_}cc_type = "gcc" &&
5179 add_${pfx}cppflags -D__printf__=__gnu_printf__
5180 elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
5181 eval ${pfx}libc_type=msvcrt
5182 if check_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then
5183 if [ "$pfx" = host_ ]; then
5184 add_host_cppflags -Dsnprintf=_snprintf
5186 add_compat strtod.o strtod=avpriv_strtod
5187 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
5188 _snprintf=avpriv_snprintf \
5189 vsnprintf=avpriv_vsnprintf
5192 add_${pfx}cppflags -D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS
5193 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
5194 # 0x601 by default unless something else is set by the user.
5195 # This can easily lead to us detecting functions only present
5196 # in such new versions and producing binaries requiring windows 7.0.
5197 # Therefore explicitly set the default to Vista unless the user has
5198 # set something else on the command line.
5199 # Don't do this if WINAPI_FAMILY is set and is set to a non-desktop
5200 # family. For these cases, configure is free to use any functions
5201 # found in the SDK headers by default. (Alternatively, we could force
5202 # _WIN32_WINNT to 0x0602 in that case.)
5203 check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||
5204 { check_${pfx}cpp <<EOF && add_${pfx}cppflags -D_WIN32_WINNT=0x0600; }
5205 #ifdef WINAPI_FAMILY
5206 #include <winapifamily.h>
5207 #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
5212 if [ "$pfx" = "" ]; then
5213 check_func strtoll || add_cflags -Dstrtoll=_strtoi64
5214 check_func strtoull || add_cflags -Dstrtoull=_strtoui64
5216 elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
5217 eval ${pfx}libc_type=klibc
5218 elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then
5219 eval ${pfx}libc_type=bionic
5220 elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then
5221 eval ${pfx}libc_type=solaris
5222 add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
5224 check_${pfx}cc <<EOF
5226 void *v = localtime_r;
5228 test "$?" != 0 && check_${pfx}cc -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 <<EOF && add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
5230 void *v = localtime_r;
5233 eval test -n "\${${pfx}libc_type}" && enable ${pfx}libc_${libc_type}
5239 # hacks for compiler/libc/os combinations
5243 add_compat strtod.o strtod=avpriv_strtod
5247 check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||
5248 add_cppflags '-I\$(SRC_PATH)/compat/float'
5250 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
5253 : ${shlibdir_default:="$libdir"}
5254 : ${pkgconfigdir_default:="$libdir/pkgconfig"}
5256 set_default $PATHS_LIST
5259 disabled optimizations || enabled ossfuzz || check_cflags -fomit-frame-pointer
5262 disabled pic && return
5265 case "$target_os" in
5266 mingw*|cygwin*|win*)
5275 enabled pic && enable_weak_pic
5277 check_cc <<EOF || die "Symbol mangling check failed."
5280 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
5281 extern_prefix=${sym%%ff_extern*}
5283 ! disabled inline_asm && check_inline_asm inline_asm '"" ::'
5286 for restrict_keyword in restrict __restrict__ __restrict; do
5287 check_cc <<EOF && _restrict=$restrict_keyword && break
5288 void foo(char * $restrict_keyword p);
5292 check_cc <<EOF && enable pragma_deprecated
5293 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
5296 check_cc <<EOF || die "endian test failed"
5297 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
5299 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
5301 check_cc <<EOF && enable const_nan
5303 void foo(void) { struct { double d; } static const bar[] = { { NAN } }; }
5306 if ! enabled ppc64 || enabled bigendian; then
5311 log "check_gas using '$as' as AS"
5312 # :vararg is used on aarch64, arm and ppc altivec
5313 check_as <<EOF || return 1
5314 .macro m n, y:vararg=0
5319 # .altmacro is only used in arm asm
5320 ! enabled arm || check_as <<EOF || return 1
5327 if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then
5329 enabled_any arm aarch64 && nogas=die
5330 enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn
5334 arm*) gaspp_as_type=armasm; as_noop=-h ;;
5335 gcc) gaspp_as_type=gas ;;
5336 *) gaspp_as_type=$as_type ;;
5339 [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"
5341 test "${as#*gas-preprocessor.pl}" != "$as" ||
5342 check_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- ${as:=$cc} $as_noop &&
5343 gas="${gas:=gas-preprocessor.pl} -arch $arch -as-type $gaspp_as_type -- ${as:=$cc}"
5345 if ! check_gas ; then
5348 $nogas "GNU assembler not found, install/update gas-preprocessor"
5351 check_as <<EOF && enable as_func
5357 check_inline_asm inline_asm_labels '"1:\n"'
5359 check_inline_asm inline_asm_nonlocal_labels '"Label:\n"'
5361 if enabled aarch64; then
5362 enabled armv8 && check_insn armv8 'prfm pldl1strm, [x0]'
5363 # internal assembler in clang 3.3 does not support this instruction
5364 enabled neon && check_insn neon 'ext v0.8B, v0.8B, v1.8B, #1'
5365 enabled vfp && check_insn vfp 'fmadd d0, d0, d1, d2'
5367 map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM
5369 elif enabled alpha; then
5373 elif enabled arm; then
5375 enabled msvc && check_cpp_condition stddef.h "defined _M_ARMT" && enable thumb
5377 check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb
5378 float func(float a, float b){ return a+b; }
5381 enabled thumb && check_cflags -mthumb || check_cflags -marm
5383 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
5385 elif check_cpp_condition stddef.h "defined _M_ARM_FP && _M_ARM_FP >= 30"; then
5387 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__" && [ $target_os != darwin ]; then
5388 case "${cross_prefix:-$cc}" in
5389 *hardfloat*) enable vfp_args; fpabi=vfp ;;
5390 *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
5391 __asm__ (".eabi_attribute 28, 1");
5392 int main(void) { return 0; }
5395 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
5398 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
5399 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
5400 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
5401 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
5402 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
5403 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
5404 enabled setend && check_insn setend 'setend be'
5406 [ $target_os = linux ] || [ $target_os = android ] ||
5407 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
5410 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
5412 check_as <<EOF && enable as_arch_directive
5415 check_as <<EOF && enable as_fpu_directive
5419 # llvm's integrated assembler supports .object_arch from llvm 3.5
5420 [ "$objformat" = elf32 ] || [ "$objformat" = elf64 ] &&
5421 check_as <<EOF && enable as_object_arch
5425 # MS armasm fails to assemble our PIC constructs
5426 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
5428 elif enabled mips; then
5430 enabled loongson2 && check_inline_asm loongson2 '"dmult.g $8, $9, $10"'
5431 enabled loongson3 && check_inline_asm loongson3 '"gsldxc1 $f0, 0($2, $3)"'
5432 enabled mmi && check_inline_asm mmi '"punpcklhw $f0, $f0, $f0"'
5434 # Enable minimum ISA based on selected options
5435 if enabled mips64; then
5436 enabled mips64r6 && check_inline_asm_flags mips64r6 '"dlsa $0, $0, $0, 1"' '-mips64r6'
5437 enabled mips64r2 && check_inline_asm_flags mips64r2 '"dext $0, $0, 0, 1"' '-mips64r2'
5438 disabled mips64r6 && disabled mips64r2 && check_inline_asm_flags mips64r1 '"daddi $0, $0, 0"' '-mips64'
5440 enabled mips32r6 && check_inline_asm_flags mips32r6 '"aui $0, $0, 0"' '-mips32r6'
5441 enabled mips32r5 && check_inline_asm_flags mips32r5 '"eretnc"' '-mips32r5'
5442 enabled mips32r2 && check_inline_asm_flags mips32r2 '"ext $0, $0, 0, 1"' '-mips32r2'
5443 disabled mips32r6 && disabled mips32r5 && disabled mips32r2 && check_inline_asm_flags mips32r1 '"addi $0, $0, 0"' '-mips32'
5446 enabled mipsfpu && check_inline_asm_flags mipsfpu '"cvt.d.l $f0, $f2"' '-mhard-float'
5447 enabled mipsfpu && (enabled mips32r5 || enabled mips32r6 || enabled mips64r6) && check_inline_asm_flags mipsfpu '"cvt.d.l $f0, $f1"' '-mfp64'
5448 enabled mipsfpu && enabled msa && check_inline_asm_flags msa '"addvi.b $w0, $w1, 1"' '-mmsa' && check_header msa.h || disable msa
5449 enabled mipsdsp && check_inline_asm_flags mipsdsp '"addu.qb $t0, $t1, $t2"' '-mdsp'
5450 enabled mipsdspr2 && check_inline_asm_flags mipsdspr2 '"absq_s.qb $t0, $t1"' '-mdspr2'
5452 if enabled bigendian && enabled msa; then
5456 elif enabled parisc; then
5458 if enabled gcc; then
5459 case $($cc -dumpversion) in
5460 4.[3-9].*) check_cflags -fno-optimize-sibling-calls ;;
5464 elif enabled ppc; then
5466 enable local_aligned
5468 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
5469 check_inline_asm ibm_asm '"add 0, 0, 0"'
5470 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
5471 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
5473 if enabled altivec; then
5474 check_cflags -maltivec -mabi=altivec
5476 # check if our compiler supports Motorola AltiVec C API
5477 check_code cc altivec.h "vector signed int v1 = (vector signed int) { 0 };
5478 vector signed int v2 = (vector signed int) { 1 };
5479 v1 = vec_add(v1, v2);" ||
5482 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
5485 if enabled vsx; then
5486 check_cflags -mvsx &&
5487 check_code cc altivec.h "int v[4] = { 0 };
5488 vector signed int v1 = vec_vsx_ld(0, v);" ||
5492 if enabled power8; then
5493 check_cpp_condition "altivec.h" "defined(_ARCH_PWR8)" || disable power8
5496 elif enabled x86; then
5498 check_builtin rdtsc intrin.h "__rdtsc()"
5499 check_builtin mm_empty mmintrin.h "_mm_empty()"
5501 enable local_aligned
5503 # check whether EBP is available on x86
5504 # As 'i' is stored on the stack, this program will crash
5505 # if the base pointer is used to access it because the
5506 # base pointer is cleared in the inline assembly code.
5507 check_exec_crash <<EOF && enable ebp_available
5509 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
5513 # check whether EBX is available on x86
5514 check_inline_asm ebx_available '""::"b"(0)' &&
5515 check_inline_asm ebx_available '"":::"%ebx"'
5517 # check whether xmm clobbers are supported
5518 check_inline_asm xmm_clobbers '"":::"%xmm0"'
5520 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' ||
5521 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"'
5523 # check whether binutils is new enough to compile SSSE3/MMXEXT
5524 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
5525 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
5529 if check_cmd $x86asmexe_probe -v; then
5530 x86asmexe=$x86asmexe_probe
5532 x86asm_debug="-g -F dwarf"
5534 X86ASM_DEPFLAGS='-MD $(@:.o=.d)'
5535 elif check_cmd $x86asmexe_probe --version; then
5536 x86asmexe=$x86asmexe_probe
5538 x86asm_debug="-g dwarf2"
5539 X86ASMDEP='$(DEPX86ASM) $(X86ASMFLAGS) -M $(X86ASM_O) $< > $(@:.o=.d)'
5542 check_x86asm "movbe ecx, [5]" && enable x86asm
5545 if ! disabled_any asm mmx x86asm; then
5547 for program in $x86asmexe nasm yasm; do
5548 probe_x86asm $program && break
5550 disabled x86asm && die "nasm/yasm not found or too old. Use --disable-x86asm for a crippled build."
5551 X86ASMFLAGS="-f $objformat"
5552 enabled pic && append X86ASMFLAGS "-DPIC"
5553 test -n "$extern_prefix" && append X86ASMFLAGS "-DPREFIX"
5554 case "$objformat" in
5555 elf*) enabled debug && append X86ASMFLAGS $x86asm_debug ;;
5558 check_x86asm "vmovdqa32 [eax]{k1}{z}, zmm0" || disable avx512_external
5559 check_x86asm "vextracti128 xmm0, ymm0, 0" || disable avx2_external
5560 check_x86asm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external
5561 check_x86asm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
5562 check_x86asm "CPU amdnop" || disable cpunop
5566 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
5573 check_code cc arm_neon.h "int16x8_t test = vdupq_n_s16(0)" && enable intrinsics_neon
5575 check_ldflags -Wl,--as-needed
5576 check_ldflags -Wl,-z,noexecstack
5578 if ! disabled network; then
5579 check_func getaddrinfo $network_extralibs
5580 check_func inet_aton $network_extralibs
5582 check_type netdb.h "struct addrinfo"
5583 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
5584 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
5585 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
5586 check_type poll.h "struct pollfd"
5587 check_type netinet/sctp.h "struct sctp_event_subscribe"
5588 check_struct "sys/socket.h" "struct msghdr" msg_flags
5589 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
5590 check_type netinet/in.h "struct sockaddr_in6"
5591 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
5592 check_type "sys/types.h sys/socket.h" socklen_t
5594 # Prefer arpa/inet.h over winsock2
5595 if check_header arpa/inet.h ; then
5596 check_func closesocket
5597 elif check_header winsock2.h ; then
5598 check_func_headers winsock2.h closesocket -lws2 &&
5599 network_extralibs="-lws2" ||
5600 { check_func_headers winsock2.h closesocket -lws2_32 &&
5601 network_extralibs="-lws2_32"; } || disable winsock2_h network
5602 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
5604 check_type ws2tcpip.h socklen_t
5605 check_type ws2tcpip.h "struct addrinfo"
5606 check_type ws2tcpip.h "struct group_source_req"
5607 check_type ws2tcpip.h "struct ip_mreq_source"
5608 check_type ws2tcpip.h "struct ipv6_mreq"
5609 check_type winsock2.h "struct pollfd"
5610 check_struct winsock2.h "struct sockaddr" sa_len
5611 check_type ws2tcpip.h "struct sockaddr_in6"
5612 check_type ws2tcpip.h "struct sockaddr_storage"
5618 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
5619 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
5620 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
5621 check_builtin sarestart signal.h "SA_RESTART"
5622 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
5623 check_builtin gmtime_r time.h "time_t *time; struct tm *tm; gmtime_r(time, tm)"
5624 check_builtin localtime_r time.h "time_t *time; struct tm *tm; localtime_r(time, tm)"
5625 check_builtin x264_csp_bgr "stdint.h x264.h" "X264_CSP_BGR"
5627 case "$custom_allocator" in
5629 # jemalloc by default does not use a prefix
5630 require libjemalloc jemalloc/jemalloc.h malloc -ljemalloc
5633 require_pkg_config libtcmalloc libtcmalloc gperftools/tcmalloc.h tc_malloc
5638 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
5639 check_func ${malloc_prefix}memalign && enable memalign
5640 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
5643 check_func_headers stdlib.h arc4random
5644 check_lib clock_gettime time.h clock_gettime || check_lib clock_gettime time.h clock_gettime -lrt
5647 check_func gethrtime
5649 check_func getrusage
5650 check_func gettimeofday
5655 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
5656 check_func_headers time.h nanosleep || check_lib nanosleep time.h nanosleep -lrt
5657 check_func sched_getaffinity
5658 check_func setrlimit
5659 check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE
5660 check_func strerror_r
5665 check_func_headers conio.h kbhit
5666 check_func_headers io.h setmode
5667 check_func_headers lzo/lzo1x.h lzo1x_999_compress
5668 check_func_headers mach/mach_time.h mach_absolute_time
5669 check_func_headers stdlib.h getenv
5670 check_func_headers sys/stat.h lstat
5672 check_func_headers windows.h GetProcessAffinityMask
5673 check_func_headers windows.h GetProcessTimes
5674 check_func_headers windows.h GetSystemTimeAsFileTime
5675 check_func_headers windows.h LoadLibrary
5676 check_func_headers windows.h MapViewOfFile
5677 check_func_headers windows.h PeekNamedPipe
5678 check_func_headers windows.h SetConsoleTextAttribute
5679 check_func_headers windows.h SetConsoleCtrlHandler
5680 check_func_headers windows.h Sleep
5681 check_func_headers windows.h VirtualAlloc
5682 check_func_headers glob.h glob
5684 check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext
5686 check_header direct.h
5687 check_header dirent.h
5688 check_header dxgidebug.h
5690 check_header dxva2api.h -D_WIN32_WINNT=0x0600
5692 check_header libcrystalhd/libcrystalhd_if.h
5693 check_header malloc.h
5694 check_header net/udplite.h
5696 check_header sys/param.h
5697 check_header sys/resource.h
5698 check_header sys/select.h
5699 check_header sys/time.h
5700 check_header sys/un.h
5701 check_header termios.h
5702 check_header unistd.h
5703 check_header valgrind/valgrind.h
5704 check_func_headers VideoToolbox/VTCompressionSession.h VTCompressionSessionPrepareToEncodeFrames -framework VideoToolbox
5705 check_header windows.h
5706 check_header X11/extensions/XvMClib.h
5707 check_header asm/types.h
5709 # it seems there are versions of clang in some distros that try to use the
5710 # gcc headers, which explodes for stdatomic
5711 # so we also check that atomics actually work here
5712 check_builtin stdatomic stdatomic.h "atomic_int foo, bar = ATOMIC_VAR_INIT(-1); atomic_store(&foo, 0)"
5714 check_lib advapi32 "windows.h" RegCloseKey -ladvapi32
5715 check_lib ole32 "windows.h" CoTaskMemFree -lole32
5716 check_lib shell32 "windows.h shellapi.h" CommandLineToArgvW -lshell32
5717 check_lib wincrypt "windows.h wincrypt.h" CryptGenRandom -ladvapi32
5718 check_lib psapi "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
5720 enabled appkit && check_apple_framework AppKit
5721 enabled audiotoolbox && check_apple_framework AudioToolbox
5722 enabled avfoundation && check_apple_framework AVFoundation
5723 enabled coreimage && check_apple_framework CoreImage
5724 enabled videotoolbox && check_apple_framework VideoToolbox
5726 check_apple_framework CoreFoundation
5727 check_apple_framework CoreMedia
5728 check_apple_framework CoreVideo
5730 enabled avfoundation && {
5731 disable coregraphics applicationservices
5732 check_lib coregraphics CoreGraphics/CoreGraphics.h CGGetActiveDisplayList "-framework CoreGraphics" ||
5733 check_lib applicationservices ApplicationServices/ApplicationServices.h CGGetActiveDisplayList "-framework ApplicationServices"; }
5735 enabled videotoolbox && {
5736 check_lib coreservices CoreServices/CoreServices.h UTGetOSTypeFromString "-framework CoreServices"
5737 check_func_headers CoreMedia/CMFormatDescription.h kCMVideoCodecType_HEVC "-framework CoreMedia"
5740 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
5742 check_type "windows.h dxva.h" "DXVA_PicParams_HEVC" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0
5743 check_type "windows.h dxva.h" "DXVA_PicParams_VP9" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0
5744 check_type "windows.h d3d11.h" "ID3D11VideoDecoder"
5745 check_type "windows.h d3d11.h" "ID3D11VideoContext"
5746 check_type "d3d9.h dxva2api.h" DXVA2_ConfigPictureDecode -D_WIN32_WINNT=0x0602
5748 check_type "va/va.h va/va_dec_hevc.h" "VAPictureParameterBufferHEVC"
5749 check_type "va/va.h va/va_dec_vp8.h" "VAPictureParameterBufferVP8"
5750 check_struct "va/va.h" "VADecPictureParameterBufferVP9" bit_depth
5751 check_type "va/va.h va/va_vpp.h" "VAProcPipelineParameterBuffer"
5752 check_type "va/va.h va/va_enc_h264.h" "VAEncPictureParameterBufferH264"
5753 check_type "va/va.h va/va_enc_hevc.h" "VAEncPictureParameterBufferHEVC"
5754 check_type "va/va.h va/va_enc_jpeg.h" "VAEncPictureParameterBufferJPEG"
5755 check_type "va/va.h va/va_enc_mpeg2.h" "VAEncPictureParameterBufferMPEG2"
5756 check_type "va/va.h va/va_enc_vp8.h" "VAEncPictureParameterBufferVP8"
5757 check_type "va/va.h va/va_enc_vp9.h" "VAEncPictureParameterBufferVP9"
5759 check_type "vdpau/vdpau.h" "VdpPictureInfoHEVC"
5761 check_cpp_condition windows.h "!WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)" && enable winrt || disable winrt
5763 if ! disabled w32threads && ! enabled pthreads; then
5764 check_func_headers "windows.h process.h" _beginthreadex &&
5765 check_type "windows.h" CONDITION_VARIABLE &&
5766 enable w32threads || disable w32threads
5767 if ! enabled w32threads && enabled winrt; then
5768 check_func_headers "windows.h" CreateThread &&
5769 enable w32threads || disable w32threads
5773 # check for some common methods of building with pthread support
5774 # do this before the optional library checks as some of them require pthreads
5775 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
5776 if check_lib pthreads pthread.h pthread_join -pthread &&
5777 check_lib pthreads pthread.h pthread_create -pthread; then
5779 elif check_lib pthreads pthread.h pthread_join -pthreads &&
5780 check_lib pthreads pthread.h pthread_create -pthreads; then
5781 add_cflags -pthreads
5782 elif check_lib pthreads pthread.h pthread_join -ldl -pthread &&
5783 check_lib pthreads pthread.h pthread_create -ldl -pthread; then
5784 add_cflags -ldl -pthread
5785 elif check_lib pthreads pthread.h pthread_join -lpthreadGC2 &&
5786 check_lib pthreads pthread.h pthread_create -lpthreadGC2; then
5788 elif check_lib pthreads pthread.h pthread_join -lpthread &&
5789 check_lib pthreads pthread.h pthread_create -lpthread; then
5791 elif check_func pthread_join && check_func pthread_create; then
5794 check_code cc "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER" || disable pthreads
5796 if enabled pthreads; then
5797 check_builtin sem_timedwait semaphore.h "sem_t *s; sem_init(s,0,0); sem_timedwait(s,0); sem_destroy(s)" $pthreads_extralibs
5798 check_func pthread_cancel $pthreads_extralibs
5802 enabled zlib && check_lib zlib zlib.h zlibVersion -lz
5803 enabled bzlib && check_lib bzlib bzlib.h BZ2_bzlibVersion -lbz2
5804 enabled lzma && check_lib lzma lzma.h lzma_version_number -llzma
5806 # On some systems dynamic loading requires no extra linker flags
5807 check_lib libdl dlfcn.h "dlopen dlsym" || check_lib libdl dlfcn.h "dlopen dlsym" -ldl
5809 check_lib libm math.h sin -lm
5817 for func in $MATH_FUNCS; do
5818 eval check_mathfunc $func \${${func}_args:-1} $libm_extralibs
5821 for func in $COMPLEX_FUNCS; do
5822 eval check_complexfunc $func \${${func}_args:-1}
5825 # these are off by default, so fail if requested and not available
5826 enabled cuda_sdk && require cuda_sdk cuda.h cuCtxCreate -lcuda
5827 enabled chromaprint && require chromaprint chromaprint.h chromaprint_get_version -lchromaprint
5828 enabled decklink && { require_header DeckLinkAPI.h &&
5829 { check_cpp_condition DeckLinkAPIVersion.h "BLACKMAGIC_DECKLINK_API_VERSION >= 0x0a060100" || die "ERROR: Decklink API version must be >= 10.6.1."; } }
5830 enabled libndi_newtek && require_header Processing.NDI.Lib.h
5831 enabled frei0r && require_header frei0r.h
5832 enabled gmp && require gmp gmp.h mpz_export -lgmp
5833 enabled gnutls && require_pkg_config gnutls gnutls gnutls/gnutls.h gnutls_global_init
5834 enabled jni && { [ $target_os = "android" ] && check_header jni.h && enabled pthreads || die "ERROR: jni not found"; }
5835 enabled ladspa && require_header ladspa.h
5836 enabled lv2 && require_pkg_config lv2 lilv-0 "lilv-0/lilv/lilv.h" lilv_world_new
5837 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
5838 enabled libass && require_pkg_config libass libass ass/ass.h ass_library_init
5839 enabled libbluray && require_pkg_config libbluray libbluray libbluray/bluray.h bd_open
5840 enabled libbs2b && require_pkg_config libbs2b libbs2b bs2b.h bs2b_open
5841 enabled libcelt && require libcelt celt/celt.h celt_decode -lcelt0 &&
5842 { check_lib libcelt celt/celt.h celt_decoder_create_custom -lcelt0 ||
5843 die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
5844 enabled libcaca && require_pkg_config libcaca caca caca.h caca_create_canvas
5845 enabled libdc1394 && require_pkg_config libdc1394 libdc1394-2 dc1394/dc1394.h dc1394_new
5846 enabled libdrm && require_pkg_config libdrm libdrm xf86drm.h drmGetVersion
5847 enabled libfdk_aac && { check_pkg_config libfdk_aac fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen ||
5848 { require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac &&
5849 warn "using libfdk without pkg-config"; } }
5850 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"
5851 enabled libflite && require libflite "flite/flite.h" flite_init $flite_extralibs
5852 enabled fontconfig && enable libfontconfig
5853 enabled libfontconfig && require_pkg_config libfontconfig fontconfig "fontconfig/fontconfig.h" FcInit
5854 enabled libfreetype && require_pkg_config libfreetype freetype2 "ft2build.h FT_FREETYPE_H" FT_Init_FreeType
5855 enabled libfribidi && require_pkg_config libfribidi fribidi fribidi.h fribidi_version_info
5856 enabled libgme && { check_pkg_config libgme libgme gme/gme.h gme_new_emu ||
5857 require libgme gme/gme.h gme_new_emu -lgme -lstdc++; }
5858 enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
5859 check_lib libgsm "${gsm_hdr}" gsm_create -lgsm && break;
5860 done || die "ERROR: libgsm not found"; }
5861 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc $pthreads_extralibs
5862 enabled libkvazaar && require_pkg_config libkvazaar "kvazaar >= 0.8.1" kvazaar.h kvz_api_get
5863 # While it may appear that require is being used as a pkg-config
5864 # fallback for libmfx, it is actually being used to detect a different
5865 # installation route altogether. If libmfx is installed via the Intel
5866 # Media SDK or Intel Media Server Studio, these don't come with
5867 # pkg-config support. Instead, users should make sure that the build
5868 # can find the libraries and headers through other means.
5869 enabled libmfx && { check_pkg_config libmfx libmfx "mfx/mfxvideo.h" MFXInit ||
5870 { require libmfx "mfx/mfxvideo.h" MFXInit "-llibmfx $advapi32_extralibs" && warn "using libmfx without pkg-config"; } }
5871 enabled libmodplug && require_pkg_config libmodplug libmodplug libmodplug/modplug.h ModPlug_Load
5872 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame $libm_extralibs
5873 enabled libmysofa && require libmysofa "mysofa.h" mysofa_load -lmysofa $zlib_extralibs
5874 enabled libnpp && { check_lib libnpp npp.h nppGetLibVersion -lnppig -lnppicc -lnppc ||
5875 check_lib libnpp npp.h nppGetLibVersion -lnppi -lnppc ||
5876 die "ERROR: libnpp not found"; }
5877 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
5878 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
5879 enabled libopencv && { check_header opencv2/core/core_c.h &&
5880 { check_pkg_config libopencv opencv opencv2/core/core_c.h cvCreateImageHeader ||
5881 require libopencv opencv2/core/core_c.h cvCreateImageHeader -lopencv_core -lopencv_imgproc; } ||
5882 require_pkg_config libopencv opencv opencv/cxcore.h cvCreateImageHeader; }
5883 enabled libopenh264 && require_pkg_config libopenh264 openh264 wels/codec_api.h WelsGetCodecVersion
5884 enabled libopenjpeg && { check_pkg_config libopenjpeg "libopenjp2 >= 2.1.0" openjpeg.h opj_version ||
5885 { require_pkg_config libopenjpeg "libopenjp2 >= 2.1.0" openjpeg.h opj_version -DOPJ_STATIC && add_cppflags -DOPJ_STATIC; } }
5886 enabled libopenmpt && require_pkg_config libopenmpt "libopenmpt >= 0.2.6557" libopenmpt/libopenmpt.h openmpt_module_create -lstdc++ && append libopenmpt_extralibs "-lstdc++"
5887 enabled libopus && {
5888 enabled libopus_decoder && {
5889 require_pkg_config libopus opus opus_multistream.h opus_multistream_decoder_create
5891 enabled libopus_encoder && {
5892 require_pkg_config libopus opus opus_multistream.h opus_multistream_surround_encoder_create
5895 enabled libpulse && require_pkg_config libpulse libpulse pulse/pulseaudio.h pa_context_new
5896 enabled librsvg && require_pkg_config librsvg librsvg-2.0 librsvg-2.0/librsvg/rsvg.h rsvg_handle_render_cairo
5897 enabled librtmp && require_pkg_config librtmp librtmp librtmp/rtmp.h RTMP_Socket
5898 enabled librubberband && require_pkg_config librubberband "rubberband >= 1.8.1" rubberband/rubberband-c.h rubberband_new -lstdc++ && append librubberband_extralibs "-lstdc++"
5899 enabled libshine && require_pkg_config libshine shine shine/layer3.h shine_encode_buffer
5900 enabled libsmbclient && { check_pkg_config libsmbclient smbclient libsmbclient.h smbc_init ||
5901 require libsmbclient libsmbclient.h smbc_init -lsmbclient; }
5902 enabled libsnappy && require libsnappy snappy-c.h snappy_compress -lsnappy -lstdc++
5903 enabled libsoxr && require libsoxr soxr.h soxr_create -lsoxr
5904 enabled libssh && require_pkg_config libssh libssh libssh/sftp.h sftp_init
5905 enabled libspeex && require_pkg_config libspeex speex speex/speex.h speex_decoder_init
5906 enabled libtesseract && require_pkg_config libtesseract tesseract tesseract/capi.h TessBaseAPICreate
5907 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
5908 enabled libtls && require_pkg_config libtls libtls tls.h tls_configure
5909 enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame &&
5910 { check_lib libtwolame twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
5911 die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
5912 enabled libv4l2 && require_pkg_config libv4l2 libv4l2 libv4l2.h v4l2_ioctl
5913 enabled libvidstab && require_pkg_config libvidstab "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit
5914 enabled libvmaf && require_pkg_config libvmaf libvmaf libvmaf.h compute_vmaf
5915 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
5916 enabled libvorbis && require_pkg_config libvorbis vorbis vorbis/codec.h vorbis_info_init &&
5917 require_pkg_config libvorbisenc vorbisenc vorbis/vorbisenc.h vorbis_encode_init
5920 enabled libvpx_vp8_decoder && {
5921 check_pkg_config libvpx_vp8_decoder "vpx >= 1.4.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp8_dx ||
5922 check_lib libvpx_vp8_decoder "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_dec_init_ver VPX_IMG_FMT_HIGHBITDEPTH" -lvpx ||
5923 die "ERROR: libvpx decoder version must be >=1.4.0";
5925 enabled libvpx_vp8_encoder && {
5926 check_pkg_config libvpx_vp8_encoder "vpx >= 1.4.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp8_cx ||
5927 check_lib libvpx_vp8_encoder "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VPX_IMG_FMT_HIGHBITDEPTH" -lvpx ||
5928 die "ERROR: libvpx encoder version must be >=1.4.0";
5930 enabled libvpx_vp9_decoder && {
5931 check_pkg_config libvpx_vp9_decoder "vpx >= 1.4.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx ||
5932 check_lib libvpx_vp9_decoder "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx VPX_IMG_FMT_HIGHBITDEPTH" "-lvpx $libm_extralibs"
5934 enabled libvpx_vp9_encoder && {
5935 check_pkg_config libvpx_vp9_encoder "vpx >= 1.4.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx ||
5936 check_lib libvpx_vp9_encoder "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VPX_IMG_FMT_HIGHBITDEPTH" "-lvpx $libm_extralibs"
5938 if disabled_all libvpx_vp8_decoder libvpx_vp9_decoder libvpx_vp8_encoder libvpx_vp9_encoder; then
5939 die "libvpx enabled but no supported decoders found"
5943 enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack
5944 enabled libwebp && {
5945 enabled libwebp_encoder && require_pkg_config libwebp "libwebp >= 0.2.0" webp/encode.h WebPGetEncoderVersion
5946 enabled libwebp_anim_encoder && check_pkg_config libwebp_anim_encoder "libwebpmux >= 0.4.0" webp/mux.h WebPAnimEncoderOptionsInit; }
5947 enabled libx264 && { check_pkg_config libx264 x264 "stdint.h x264.h" x264_encoder_encode ||
5948 { require libx264 "stdint.h x264.h" x264_encoder_encode -lx264 &&
5949 warn "using libx264 without pkg-config"; } } &&
5950 require_cpp_condition x264.h "X264_BUILD >= 118" &&
5951 { check_cpp_condition x264.h "X264_MPEG2" &&
5953 enabled libx265 && require_pkg_config libx265 x265 x265.h x265_api_get &&
5954 require_cpp_condition x265.h "X265_BUILD >= 68"
5955 enabled libxavs && require libxavs "stdint.h xavs.h" xavs_encoder_encode "-lxavs $pthreads_extralibs $libm_extralibs"
5956 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
5957 enabled libzimg && require_pkg_config libzimg "zimg >= 2.7.0" zimg.h zimg_get_api_version
5958 enabled libzmq && require_pkg_config libzmq libzmq zmq.h zmq_ctx_new
5959 enabled libzvbi && require_pkg_config libzvbi zvbi-0.2 libzvbi.h vbi_decoder_new &&
5960 { check_cpp_condition libzvbi.h "VBI_VERSION_MAJOR > 0 || VBI_VERSION_MINOR > 2 || VBI_VERSION_MINOR == 2 && VBI_VERSION_MICRO >= 28" ||
5961 enabled gpl || die "ERROR: libzvbi requires version 0.2.28 or --enable-gpl."; }
5962 enabled libxml2 && require_pkg_config libxml2 libxml-2.0 libxml2/libxml/xmlversion.h xmlCheckVersion
5963 enabled mediacodec && { enabled jni || die "ERROR: mediacodec requires --enable-jni"; }
5964 enabled mmal && { check_lib mmal interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ||
5965 { ! enabled cross_compile &&
5966 add_cflags -isystem/opt/vc/include/ -isystem/opt/vc/include/interface/vmcs_host/linux -isystem/opt/vc/include/interface/vcos/pthreads -fgnu89-inline &&
5967 add_ldflags -L/opt/vc/lib/ &&
5968 check_lib mmal interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host; } ||
5969 die "ERROR: mmal not found" &&
5970 check_func_headers interface/mmal/mmal.h "MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS"; }
5971 enabled openal && { { for al_extralibs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
5972 check_lib openal 'AL/al.h' alGetError "${al_extralibs}" && break; done } ||
5973 die "ERROR: openal not found"; } &&
5974 { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
5975 die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
5976 enabled opencl && { check_lib opencl OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||
5977 check_lib opencl CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||
5978 die "ERROR: opencl not found"; } &&
5979 { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||
5980 check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||
5981 die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }
5982 enabled opengl && { check_lib opengl GL/glx.h glXGetProcAddress "-lGL" ||
5983 check_lib opengl windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||
5984 check_lib opengl OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||
5985 check_lib opengl ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||
5986 die "ERROR: opengl not found."
5988 enabled omx && require_header OMX_Core.h
5989 enabled omx_rpi && { check_header OMX_Core.h ||
5990 { ! enabled cross_compile && add_cflags -isystem/opt/vc/include/IL && check_header OMX_Core.h ; } ||
5991 die "ERROR: OpenMAX IL headers not found"; } && enable omx
5992 enabled openssl && { check_pkg_config openssl openssl openssl/ssl.h OPENSSL_init_ssl ||
5993 check_pkg_config openssl openssl openssl/ssl.h SSL_library_init ||
5994 check_lib openssl openssl/ssl.h SSL_library_init -lssl -lcrypto ||
5995 check_lib openssl openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
5996 check_lib openssl openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
5997 die "ERROR: openssl not found"; }
5998 enabled rkmpp && { { require_pkg_config rkmpp rockchip_mpp rockchip/rk_mpi.h mpp_create ||
5999 die "ERROR : Rockchip MPP was not found."; } &&
6000 { check_func_headers rockchip/rk_mpi_cmd.h "MPP_DEC_GET_FREE_PACKET_SLOT_COUNT" ||
6001 die "ERROR: Rockchip MPP is outdated, please get a more recent one."; } &&
6003 die "ERROR: rkmpp requires --enable-libdrm"; }
6006 if enabled gcrypt; then
6007 GCRYPT_CONFIG="${cross_prefix}libgcrypt-config"
6008 if "${GCRYPT_CONFIG}" --version > /dev/null 2>&1; then
6009 gcrypt_cflags=$("${GCRYPT_CONFIG}" --cflags)
6010 gcrypt_extralibs=$("${GCRYPT_CONFIG}" --libs)
6011 check_func_headers gcrypt.h gcry_mpi_new $gcrypt_cflags $gcrypt_extralibs ||
6012 die "ERROR: gcrypt not found"
6013 add_cflags $gcrypt_cflags
6015 require gcrypt gcrypt.h gcry_mpi_new -lgcrypt
6019 if enabled sdl2; then
6020 SDL2_CONFIG="${cross_prefix}sdl2-config"
6021 if test_pkg_config sdl2 "sdl2 >= 2.0.1 sdl2 < 2.1.0" SDL_events.h SDL_PollEvent; then
6022 check_func SDL_Init $sdl2_extralibs $sdl2_cflags ||
6024 elif "${SDL2_CONFIG}" --version > /dev/null 2>&1; then
6025 sdl2_cflags=$("${SDL2_CONFIG}" --cflags)
6026 sdl2_extralibs=$("${SDL2_CONFIG}" --libs)
6027 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x020001" $sdl2_cflags &&
6028 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x020100" $sdl2_cflags &&
6029 check_func SDL_Init $sdl2_extralibs $sdl2_cflags &&
6032 if test $target_os = "mingw32"; then
6033 sdl2_extralibs=$(filter_out '-mwindows' $sdl2_extralibs)
6037 if enabled decklink; then
6039 mingw32*|mingw64*|win32|win64)
6040 decklink_outdev_extralibs="$decklink_outdev_extralibs -lole32 -loleaut32"
6041 decklink_indev_extralibs="$decklink_indev_extralibs -lole32 -loleaut32"
6046 enabled securetransport &&
6047 check_func SecIdentityCreate "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&
6048 check_lib securetransport "Security/SecureTransport.h Security/Security.h" "SSLCreateContext" "-Wl,-framework,CoreFoundation -Wl,-framework,Security" ||
6049 disable securetransport
6051 enabled securetransport &&
6052 check_func SecItemImport "-Wl,-framework,CoreFoundation -Wl,-framework,Security"
6055 check_func_headers "windows.h security.h" InitializeSecurityContext -DSECURITY_WIN32 -lsecur32 &&
6056 check_cpp_condition winerror.h "defined(SEC_I_CONTEXT_EXPIRED)" &&
6057 schannel_extralibs="-lsecur32" ||
6060 makeinfo --version > /dev/null 2>&1 && enable makeinfo || disable makeinfo
6062 && [ 0$(makeinfo --version | grep "texinfo" | sed 's/.*texinfo[^0-9]*\([0-9]*\)\..*/\1/') -ge 5 ] \
6063 && enable makeinfo_html || disable makeinfo_html
6064 disabled makeinfo_html && texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
6065 perl -v > /dev/null 2>&1 && enable perl || disable perl
6066 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
6067 rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout
6069 # check V4L2 codecs available in the API
6070 check_header linux/fb.h
6071 check_header linux/videodev2.h
6072 check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_sanitized struct_v4l2_frmivalenum_discrete
6073 check_code cc linux/videodev2.h "int i = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_VIDEO_M2M | V4L2_BUF_FLAG_LAST;" || disable v4l2_m2m
6074 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_VC1_ANNEX_G;" && enable vc1_v4l2_m2m
6075 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG1;" && enable mpeg1_v4l2_m2m
6076 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG2;" && enable mpeg2_v4l2_m2m
6077 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG4;" && enable mpeg4_v4l2_m2m
6078 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_HEVC;" && enable hevc_v4l2_m2m
6079 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_H263;" && enable h263_v4l2_m2m
6080 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_H264;" && enable h264_v4l2_m2m
6081 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_VP8;" && enable vp8_v4l2_m2m
6082 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_VP9;" && enable vp9_v4l2_m2m
6084 check_header sys/videoio.h
6085 check_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_sanitized struct_v4l2_frmivalenum_discrete
6087 check_lib user32 "windows.h winuser.h" GetShellWindow -luser32
6088 check_lib vfw32 "windows.h vfw.h" capCreateCaptureWindow -lvfw32
6089 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
6090 # w32api 3.12 had it defined wrong
6091 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
6093 check_type "dshow.h" IBaseFilter
6095 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
6096 check_header "dev/bktr/ioctl_meteor.h dev/bktr/ioctl_bt848.h" ||
6097 check_header "machine/ioctl_meteor.h machine/ioctl_bt848.h" ||
6098 check_header "dev/video/meteor/ioctl_meteor.h dev/video/bktr/ioctl_bt848.h" ||
6099 check_header "dev/ic/bt8xx.h"
6101 if check_struct sys/soundcard.h audio_buf_info bytes; then
6102 enable_sanitized sys/soundcard.h
6104 check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_sanitized sys/soundcard.h
6105 #include <sys/soundcard.h>
6110 enabled alsa && check_pkg_config alsa alsa "alsa/asoundlib.h" snd_pcm_htimestamp ||
6111 check_lib alsa alsa/asoundlib.h snd_pcm_htimestamp -lasound
6114 require_pkg_config libjack jack jack/jack.h jack_port_get_latency_range
6116 enabled sndio && check_lib sndio sndio.h sio_open -lsndio
6118 if enabled libcdio; then
6119 check_pkg_config libcdio libcdio_paranoia "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open ||
6120 check_pkg_config libcdio libcdio_paranoia "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open ||
6121 check_lib libcdio "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
6122 check_lib libcdio "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
6123 die "ERROR: No usable libcdio/cdparanoia found"
6126 enabled libxcb && check_pkg_config libxcb "xcb >= 1.4" xcb/xcb.h xcb_connect ||
6127 disable libxcb_shm libxcb_shape libxcb_xfixes
6129 if enabled libxcb; then
6130 enabled libxcb_shm && check_pkg_config libxcb_shm xcb-shm xcb/shm.h xcb_shm_attach
6131 enabled libxcb_shape && check_pkg_config libxcb_shape xcb-shape xcb/shape.h xcb_shape_get_rectangles
6132 enabled libxcb_xfixes && check_pkg_config libxcb_xfixes xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image
6135 check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs"
6137 # d3d11va requires linking directly to dxgi and d3d11 if not building for
6138 # the desktop api partition
6139 check_cpp <<EOF && enable uwp && d3d11va_extralibs="-ldxgi -ld3d11"
6140 #ifdef WINAPI_FAMILY
6141 #include <winapifamily.h>
6142 #if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
6143 #error desktop, not uwp
6145 // WINAPI_FAMILY_APP, WINAPI_FAMILY_PHONE_APP => UWP
6148 #error no family set
6153 check_lib vaapi va/va.h vaInitialize -lva
6156 check_code cc "va/va.h" "vaCreateSurfaces(0, 0, 0, 0, 0, 0, 0, 0)" ||
6160 check_lib vaapi_drm "va/va.h va/va_drm.h" vaGetDisplayDRM -lva -lva-drm
6163 check_lib vaapi_x11 "va/va.h va/va_x11.h" vaGetDisplay -lva -lva-x11 -lX11
6166 check_cpp_condition "va/va.h" "VA_CHECK_VERSION(1, 0, 0)" &&
6169 if enabled_all opencl vaapi ; then
6170 check_type "CL/cl_intel.h" "clCreateImageFromFdINTEL_fn" &&
6171 enable opencl_vaapi_beignet
6172 if enabled libmfx ; then
6173 check_type "CL/cl.h CL/va_ext.h" "clCreateFromVA_APIMediaSurfaceINTEL_fn" &&
6174 enable opencl_vaapi_intel_media
6178 if enabled_all opencl dxva2 ; then
6179 check_type "CL/cl_dx9_media_sharing.h" cl_dx9_surface_info_khr &&
6183 if enabled_all opencl d3d11va ; then
6184 check_type "CL/cl_d3d11.h" clGetDeviceIDsFromD3D11KHR_fn &&
6188 if enabled_all opencl libdrm ; then
6189 check_func_headers "CL/cl_ext.h" clImportMemoryARM &&
6190 enable opencl_drm_arm
6194 check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
6198 check_lib vdpau_x11 "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau -lX11
6200 enabled crystalhd && check_lib crystalhd "stdint.h libcrystalhd/libcrystalhd_if.h" DtsCrystalHDVersion -lcrystalhd
6202 if enabled x86; then
6204 mingw32*|mingw64*|win32|win64|linux|cygwin*)
6207 disable cuda cuvid nvdec nvenc
6211 disable cuda cuvid nvdec nvenc
6215 check_cc -I$source_path <<EOF || disable nvenc
6216 #include "compat/nvenc/nvEncodeAPI.h"
6217 NV_ENCODE_API_FUNCTION_LIST flist;
6218 void f(void) { struct { const GUID guid; } s[] = { { NV_ENC_PRESET_HQ_GUID } }; }
6219 int main(void) { return 0; }
6223 check_cpp_condition "AMF/core/Version.h" \
6224 "(AMF_VERSION_MAJOR << 48 | AMF_VERSION_MINOR << 32 | AMF_VERSION_RELEASE << 16 | AMF_VERSION_BUILD_NUM) >= 0x0001000400040001" ||
6227 # Funny iconv installations are not unusual, so check it after all flags have been set
6228 if enabled libc_iconv; then
6229 check_func_headers iconv.h iconv
6230 elif enabled iconv; then
6231 check_func_headers iconv.h iconv || check_lib iconv iconv.h iconv -liconv
6234 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
6236 # add some useful compiler flags if supported
6237 check_cflags -Wdeclaration-after-statement
6239 check_cflags -Wdisabled-optimization
6240 check_cflags -Wpointer-arith
6241 check_cflags -Wredundant-decls
6242 check_cflags -Wwrite-strings
6243 check_cflags -Wtype-limits
6244 check_cflags -Wundef
6245 check_cflags -Wmissing-prototypes
6246 check_cflags -Wno-pointer-to-int-cast
6247 check_cflags -Wstrict-prototypes
6248 check_cflags -Wempty-body
6250 if enabled extra_warnings; then
6251 check_cflags -Wcast-qual
6252 check_cflags -Wextra
6253 check_cflags -Wpedantic
6256 check_disable_warning(){
6257 warning_flag=-W${1#-Wno-}
6258 test_cflags $unknown_warning_flags $warning_flag && add_cflags $1
6261 test_cflags -Werror=unused-command-line-argument &&
6262 append unknown_warning_flags "-Werror=unused-command-line-argument"
6263 test_cflags -Werror=unknown-warning-option &&
6264 append unknown_warning_flags "-Werror=unknown-warning-option"
6266 check_disable_warning -Wno-parentheses
6267 check_disable_warning -Wno-switch
6268 check_disable_warning -Wno-format-zero-length
6269 check_disable_warning -Wno-pointer-sign
6270 check_disable_warning -Wno-unused-const-variable
6271 check_disable_warning -Wno-bool-operation
6273 check_disable_warning_headers(){
6274 warning_flag=-W${1#-Wno-}
6275 test_cflags $warning_flag && add_cflags_headers $1
6278 check_disable_warning_headers -Wno-deprecated-declarations
6279 check_disable_warning_headers -Wno-unused-variable
6281 check_cc <<EOF && enable blocks_extension
6282 void (^block)(void);
6285 # add some linker flags
6286 check_ldflags -Wl,--warn-common
6287 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
6288 enabled rpath && add_ldexeflags -Wl,-rpath,$libdir && add_ldsoflags -Wl,-rpath,$libdir
6289 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
6291 # add some strip flags
6294 enabled neon_clobber_test &&
6295 check_ldflags -Wl,--wrap,avcodec_open2 \
6296 -Wl,--wrap,avcodec_decode_audio4 \
6297 -Wl,--wrap,avcodec_decode_video2 \
6298 -Wl,--wrap,avcodec_decode_subtitle2 \
6299 -Wl,--wrap,avcodec_encode_audio2 \
6300 -Wl,--wrap,avcodec_encode_video2 \
6301 -Wl,--wrap,avcodec_encode_subtitle \
6302 -Wl,--wrap,avcodec_send_packet \
6303 -Wl,--wrap,avcodec_receive_packet \
6304 -Wl,--wrap,avcodec_send_frame \
6305 -Wl,--wrap,avcodec_receive_frame \
6306 -Wl,--wrap,swr_convert \
6307 -Wl,--wrap,avresample_convert ||
6308 disable neon_clobber_test
6310 enabled xmm_clobber_test &&
6311 check_ldflags -Wl,--wrap,avcodec_open2 \
6312 -Wl,--wrap,avcodec_decode_audio4 \
6313 -Wl,--wrap,avcodec_decode_video2 \
6314 -Wl,--wrap,avcodec_decode_subtitle2 \
6315 -Wl,--wrap,avcodec_encode_audio2 \
6316 -Wl,--wrap,avcodec_encode_video2 \
6317 -Wl,--wrap,avcodec_encode_subtitle \
6318 -Wl,--wrap,avcodec_send_packet \
6319 -Wl,--wrap,avcodec_receive_packet \
6320 -Wl,--wrap,avcodec_send_frame \
6321 -Wl,--wrap,avcodec_receive_frame \
6322 -Wl,--wrap,swr_convert \
6323 -Wl,--wrap,avresample_convert \
6324 -Wl,--wrap,sws_scale ||
6325 disable xmm_clobber_test
6327 check_ld "cc" <<EOF && enable proper_dce
6328 extern const int array[512];
6329 static inline int func(void) { return array[0]; }
6330 int main(void) { return 0; }
6333 if enabled proper_dce; then
6334 echo "X { local: *; };" > $TMPV
6335 if test_ldflags -Wl,${version_script},$TMPV; then
6336 append SHFLAGS '-Wl,${version_script},\$(SUBDIR)lib\$(NAME).ver'
6338 check_cc <<EOF && enable symver_asm_label
6339 void ff_foo(void) __asm__ ("av_foo@VERSION");
6340 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
6342 check_cc <<EOF && enable symver_gnu_asm
6343 __asm__(".symver ff_foo,av_foo@VERSION");
6344 void ff_foo(void) {}
6349 if [ -z "$optflags" ]; then
6350 if enabled small; then
6351 optflags=$cflags_size
6352 elif enabled optimizations; then
6353 optflags=$cflags_speed
6355 optflags=$cflags_noopt
6359 if [ -z "$nvccflags" ]; then
6360 nvccflags=$nvccflags_default
6363 if enabled x86_64 || enabled ppc64 || enabled aarch64; then
6364 nvccflags="$nvccflags -m64"
6366 nvccflags="$nvccflags -m32"
6371 enabled lto && check_ldflags "$@"
6374 check_optflags $optflags
6375 check_optflags -fno-math-errno
6376 check_optflags -fno-signed-zeros
6378 if enabled lto; then
6379 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
6381 check_ldflags -flto $cpuflags
6382 disable inline_asm_direct_symbol_refs
6385 enabled ftrapv && check_cflags -ftrapv
6387 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
6392 if enabled icc; then
6393 # Just warnings, no remarks
6395 # -wd: Disable following warnings
6396 # 144, 167, 556: -Wno-pointer-sign
6397 # 188: enumerated type mixed with another type
6398 # 1292: attribute "foo" ignored
6399 # 1419: external declaration in primary source file
6400 # 10006: ignoring unknown option -fno-signed-zeros
6401 # 10148: ignoring unknown option -Wno-parentheses
6402 # 10156: ignoring option '-W'; no argument required
6403 # 13200: No EMMS instruction before call to function
6404 # 13203: No EMMS instruction before return from function
6405 check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156,13200,13203
6406 # 11030: Warning unknown option --as-needed
6407 # 10156: ignoring option '-export'; no argument required
6408 check_ldflags -wd10156,11030
6409 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
6410 enable ebp_available
6411 # The test above does not test linking
6412 enabled lto && disable symver_asm_label
6413 if enabled x86_32; then
6414 icc_version=$($cc -dumpversion)
6415 test ${icc_version%%.*} -ge 11 &&
6416 check_cflags -falign-stack=maintain-16-byte ||
6417 disable aligned_stack
6419 elif enabled gcc; then
6420 check_optflags -fno-tree-vectorize
6421 check_cflags -Werror=format-security
6422 check_cflags -Werror=implicit-function-declaration
6423 check_cflags -Werror=missing-prototypes
6424 check_cflags -Werror=return-type
6425 check_cflags -Werror=vla
6426 check_cflags -Wformat
6427 check_cflags -fdiagnostics-color=auto
6428 enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized
6429 elif enabled llvm_gcc; then
6430 check_cflags -mllvm -stack-alignment=16
6431 elif enabled clang; then
6432 check_cflags -mllvm -stack-alignment=16
6433 check_cflags -mstack-alignment=16
6434 check_cflags -Qunused-arguments
6435 check_cflags -Werror=implicit-function-declaration
6436 check_cflags -Werror=missing-prototypes
6437 check_cflags -Werror=return-type
6438 elif enabled cparser; then
6439 add_cflags -Wno-missing-variable-declarations
6440 add_cflags -Wno-empty-statement
6441 elif enabled armcc; then
6442 add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat
6443 add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir
6444 # 2523: use of inline assembly is deprecated
6445 add_cflags -W${armcc_opt},--diag_suppress=2523
6446 add_cflags -W${armcc_opt},--diag_suppress=1207
6447 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
6448 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
6449 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
6450 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
6451 elif enabled pathscale; then
6452 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
6454 elif enabled_any msvc icl; then
6455 enabled x86_32 && disable aligned_stack
6456 enabled_all x86_32 debug && add_cflags -Oy-
6457 enabled debug && add_ldflags -debug
6458 enable pragma_deprecated
6459 if enabled icl; then
6460 # -Qansi-alias is basically -fstrict-aliasing, but does not work
6461 # (correctly) on icl 13.x.
6462 check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&
6463 add_cflags -Qansi-alias
6464 # Some inline asm is not compilable in debug
6465 if enabled debug; then
6466 disable ebp_available
6467 disable ebx_available
6470 # msvcrt10 x64 incorrectly enables log2, only msvcrt12 (MSVC 2013) onwards actually has log2.
6471 check_cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION >= 12" || disable log2
6472 # The CRT headers contain __declspec(restrict) in a few places, but if redefining
6473 # restrict, this might break. MSVC 2010 and 2012 fail with __declspec(__restrict)
6474 # (as it ends up if the restrict redefine is done before including stdlib.h), while
6475 # MSVC 2013 and newer can handle it fine.
6476 # If this declspec fails, force including stdlib.h before the restrict redefinition
6477 # happens in config.h.
6478 if [ $_restrict != restrict ]; then
6479 check_cc <<EOF || add_cflags -FIstdlib.h
6480 __declspec($_restrict) void* foo(int);
6483 # the new SSA optimzer in VS2015 U3 is mis-optimizing some parts of the code
6484 # Issue has been fixed in MSVC v19.00.24218.
6485 check_cpp_condition windows.h "_MSC_FULL_VER >= 190024218" ||
6486 check_cflags -d2SSAOptimizer-
6487 # enable utf-8 source processing on VS2015 U2 and newer
6488 check_cpp_condition windows.h "_MSC_FULL_VER >= 190023918" &&
6492 for pfx in "" host_; do
6493 varname=${pfx%_}cc_type
6494 eval "type=\$$varname"
6495 if [ "$type" = "msvc" ]; then
6496 check_${pfx}cc <<EOF || add_${pfx}cflags -Dinline=__inline
6497 static inline int foo(int a) { return a; }
6504 add_asflags -Qunused-arguments
6510 check_ldflags -Qunused-arguments
6514 enable frame_thread_encoder
6516 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
6518 check_deps $CONFIG_LIST \
6523 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"
6526 if test $target_os = "haiku"; then
6528 disable posix_memalign
6531 flatten_extralibs(){
6532 unset nested_entries
6535 for entry in $list; do
6538 append nested_entries $(filter '*_extralibs' $entry_copy)
6539 flat_entries=$(filter_out '*_extralibs' $entry_copy)
6540 eval $entry="\$flat_entries"
6542 append $list_name "$nested_entries"
6544 resolve nested_entries
6545 if test -n "$(filter '*_extralibs' $nested_entries)"; then
6546 flatten_extralibs $list_name
6550 flatten_extralibs_wrapper(){
6552 flatten_extralibs $list_name
6555 eval $list_name=\$\(\$ldflags_filter \$$list_name\)
6556 eval printf \''%s'\' \""\$$list_name"\"
6559 for linkunit in $LIBRARY_LIST; do
6560 unset current_extralibs
6561 eval components=\$$(toupper ${linkunit})_COMPONENTS_LIST
6562 for comp in ${components}; do
6563 enabled $comp || continue
6564 comp_extralibs="${comp}_extralibs"
6565 append current_extralibs $comp_extralibs
6567 eval prepend ${linkunit}_extralibs $current_extralibs
6570 for linkunit in $LIBRARY_LIST $PROGRAM_LIST $EXTRALIBS_LIST; do
6571 eval ${linkunit}_extralibs=\$\(flatten_extralibs_wrapper ${linkunit}_extralibs\)
6574 map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST
6576 for thread in $THREADS_LIST; do
6577 if enabled $thread; then
6578 test -n "$thread_type" &&
6579 die "ERROR: Only one thread type must be selected." ||
6580 thread_type="$thread"
6584 if disabled stdatomic; then
6585 if enabled atomics_gcc; then
6586 add_cppflags '-I\$(SRC_PATH)/compat/atomics/gcc'
6587 elif enabled atomics_win32; then
6588 add_cppflags '-I\$(SRC_PATH)/compat/atomics/win32'
6589 elif enabled atomics_suncc; then
6590 add_cppflags '-I\$(SRC_PATH)/compat/atomics/suncc'
6591 elif enabled pthreads; then
6592 add_compat atomics/pthread/stdatomic.o
6593 add_cppflags '-I\$(SRC_PATH)/compat/atomics/pthread'
6595 enabled threads && die "Threading is enabled, but no atomics are available"
6596 add_cppflags '-I\$(SRC_PATH)/compat/atomics/dummy'
6600 # Check if requested libraries were found.
6601 for lib in $AUTODETECT_LIBS; do
6602 requested $lib && ! enabled $lib && die "ERROR: $lib requested but not found";
6605 enabled zlib && add_cppflags -DZLIB_CONST
6607 # conditional library dependencies, in linking order
6608 enabled afftfilt_filter && prepend avfilter_deps "avcodec"
6609 enabled afir_filter && prepend avfilter_deps "avcodec"
6610 enabled amovie_filter && prepend avfilter_deps "avformat avcodec"
6611 enabled aresample_filter && prepend avfilter_deps "swresample"
6612 enabled atempo_filter && prepend avfilter_deps "avcodec"
6613 enabled cover_rect_filter && prepend avfilter_deps "avformat avcodec"
6614 enabled convolve_filter && prepend avfilter_deps "avcodec"
6615 enabled deconvolve_filter && prepend avfilter_deps "avcodec"
6616 enabled ebur128_filter && enabled swresample && prepend avfilter_deps "swresample"
6617 enabled elbg_filter && prepend avfilter_deps "avcodec"
6618 enabled fftfilt_filter && prepend avfilter_deps "avcodec"
6619 enabled find_rect_filter && prepend avfilter_deps "avformat avcodec"
6620 enabled firequalizer_filter && prepend avfilter_deps "avcodec"
6621 enabled mcdeint_filter && prepend avfilter_deps "avcodec"
6622 enabled movie_filter && prepend avfilter_deps "avformat avcodec"
6623 enabled pan_filter && prepend avfilter_deps "swresample"
6624 enabled pp_filter && prepend avfilter_deps "postproc"
6625 enabled removelogo_filter && prepend avfilter_deps "avformat avcodec swscale"
6626 enabled resample_filter && prepend avfilter_deps "avresample"
6627 enabled sab_filter && prepend avfilter_deps "swscale"
6628 enabled scale_filter && prepend avfilter_deps "swscale"
6629 enabled scale2ref_filter && prepend avfilter_deps "swscale"
6630 enabled sofalizer_filter && prepend avfilter_deps "avcodec"
6631 enabled showcqt_filter && prepend avfilter_deps "avformat avcodec swscale"
6632 enabled showfreqs_filter && prepend avfilter_deps "avcodec"
6633 enabled showspectrum_filter && prepend avfilter_deps "avcodec"
6634 enabled signature_filter && prepend avfilter_deps "avcodec avformat"
6635 enabled smartblur_filter && prepend avfilter_deps "swscale"
6636 enabled spectrumsynth_filter && prepend avfilter_deps "avcodec"
6637 enabled spp_filter && prepend avfilter_deps "avcodec"
6638 enabled subtitles_filter && prepend avfilter_deps "avformat avcodec"
6639 enabled uspp_filter && prepend avfilter_deps "avcodec"
6640 enabled zoompan_filter && prepend avfilter_deps "swscale"
6642 enabled lavfi_indev && prepend avdevice_deps "avfilter"
6645 enabled sdl2_outdev && add_cflags $(filter_out '-Dmain=SDL_main' $sdl2_cflags)
6647 enabled opus_decoder && prepend avcodec_deps "swresample"
6651 eval "deps=\$$lib_deps"
6652 append $lib_deps $(map 'eval echo \$${v}_deps' $deps)
6656 #we have to remove gpl from the deps here as some code assumes all lib deps are libs
6657 postproc_deps="$(filter_out 'gpl' $postproc_deps)"
6659 map 'expand_deps $v' $LIBRARY_LIST
6661 license="LGPL version 2.1 or later"
6662 if enabled nonfree; then
6663 license="nonfree and unredistributable"
6664 elif enabled gplv3; then
6665 license="GPL version 3 or later"
6666 elif enabled lgplv3; then
6667 license="LGPL version 3 or later"
6668 elif enabled gpl; then
6669 license="GPL version 2 or later"
6672 if test "$quiet" != "yes"; then
6674 echo "install prefix $prefix"
6675 echo "source path $source_path"
6676 echo "C compiler $cc"
6677 echo "C library $libc_type"
6678 if test "$host_cc" != "$cc"; then
6679 echo "host C compiler $host_cc"
6680 echo "host C library $host_libc_type"
6682 echo "ARCH $arch ($cpu)"
6683 if test "$build_suffix" != ""; then
6684 echo "build suffix $build_suffix"
6686 if test "$progs_suffix" != ""; then
6687 echo "progs suffix $progs_suffix"
6689 if test "$extra_version" != ""; then
6690 echo "version string suffix $extra_version"
6692 echo "big-endian ${bigendian-no}"
6693 echo "runtime cpu detection ${runtime_cpudetect-no}"
6694 if enabled x86; then
6695 echo "standalone assembly ${x86asm-no}"
6696 echo "x86 assembler ${x86asmexe}"
6697 echo "MMX enabled ${mmx-no}"
6698 echo "MMXEXT enabled ${mmxext-no}"
6699 echo "3DNow! enabled ${amd3dnow-no}"
6700 echo "3DNow! extended enabled ${amd3dnowext-no}"
6701 echo "SSE enabled ${sse-no}"
6702 echo "SSSE3 enabled ${ssse3-no}"
6703 echo "AESNI enabled ${aesni-no}"
6704 echo "AVX enabled ${avx-no}"
6705 echo "AVX2 enabled ${avx2-no}"
6706 echo "AVX-512 enabled ${avx512-no}"
6707 echo "XOP enabled ${xop-no}"
6708 echo "FMA3 enabled ${fma3-no}"
6709 echo "FMA4 enabled ${fma4-no}"
6710 echo "i686 features enabled ${i686-no}"
6711 echo "CMOV is fast ${fast_cmov-no}"
6712 echo "EBX available ${ebx_available-no}"
6713 echo "EBP available ${ebp_available-no}"
6715 if enabled aarch64; then
6716 echo "NEON enabled ${neon-no}"
6717 echo "VFP enabled ${vfp-no}"
6719 if enabled arm; then
6720 echo "ARMv5TE enabled ${armv5te-no}"
6721 echo "ARMv6 enabled ${armv6-no}"
6722 echo "ARMv6T2 enabled ${armv6t2-no}"
6723 echo "VFP enabled ${vfp-no}"
6724 echo "NEON enabled ${neon-no}"
6725 echo "THUMB enabled ${thumb-no}"
6727 if enabled mips; then
6728 echo "MIPS FPU enabled ${mipsfpu-no}"
6729 echo "MIPS DSP R1 enabled ${mipsdsp-no}"
6730 echo "MIPS DSP R2 enabled ${mipsdspr2-no}"
6731 echo "MIPS MSA enabled ${msa-no}"
6732 echo "LOONGSON MMI enabled ${mmi-no}"
6734 if enabled ppc; then
6735 echo "AltiVec enabled ${altivec-no}"
6736 echo "VSX enabled ${vsx-no}"
6737 echo "POWER8 enabled ${power8-no}"
6738 echo "PPC 4xx optimizations ${ppc4xx-no}"
6739 echo "dcbzl available ${dcbzl-no}"
6741 echo "debug symbols ${debug-no}"
6742 echo "strip symbols ${stripping-no}"
6743 echo "optimize for size ${small-no}"
6744 echo "optimizations ${optimizations-no}"
6745 echo "static ${static-no}"
6746 echo "shared ${shared-no}"
6747 echo "postprocessing support ${postproc-no}"
6748 echo "network support ${network-no}"
6749 echo "threading support ${thread_type-no}"
6750 echo "safe bitstream reader ${safe_bitstream_reader-no}"
6751 echo "texi2html enabled ${texi2html-no}"
6752 echo "perl enabled ${perl-no}"
6753 echo "pod2man enabled ${pod2man-no}"
6754 echo "makeinfo enabled ${makeinfo-no}"
6755 echo "makeinfo supports HTML ${makeinfo_html-no}"
6756 test -n "$random_seed" &&
6757 echo "random seed ${random_seed}"
6760 echo "External libraries:"
6761 print_enabled '' $EXTERNAL_LIBRARY_LIST $EXTERNAL_AUTODETECT_LIBRARY_LIST | print_in_columns
6764 echo "External libraries providing hardware acceleration:"
6765 print_enabled '' $HWACCEL_LIBRARY_LIST $HWACCEL_AUTODETECT_LIBRARY_LIST | print_in_columns
6769 print_enabled '' $LIBRARY_LIST | print_in_columns
6773 print_enabled '' $PROGRAM_LIST | print_in_columns
6776 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
6777 echo "Enabled ${type}s:"
6778 eval list=\$$(toupper $type)_LIST
6779 print_enabled '_*' $list | print_in_columns
6783 if test -n "$ignore_tests"; then
6784 ignore_tests=$(echo $ignore_tests | tr ',' ' ')
6785 echo "Ignored FATE tests:"
6786 echo $ignore_tests | print_in_columns
6790 echo "License: $license"
6792 fi # test "$quiet" != "yes"
6794 if test -n "$WARNINGS"; then
6795 printf "\n%s%s$WARNINGS%s" "$warn_color" "$bold_color" "$reset_color"
6796 enabled fatal_warnings && exit 1
6799 test -e Makefile || echo "include $source_path/Makefile" > Makefile
6802 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
6805 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" > ffbuild/config.fate
6807 enabled stripping || strip="echo skipping strip"
6808 enabled stripping || striptype=""
6810 config_files="$TMPH ffbuild/config.mak doc/config.texi"
6812 cat > ffbuild/config.mak <<EOF
6813 # Automatically generated by configure - do not modify!
6814 ifndef FFMPEG_CONFIG_MAK
6816 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
6818 LIBDIR=\$(DESTDIR)$libdir
6819 SHLIBDIR=\$(DESTDIR)$shlibdir
6820 INCDIR=\$(DESTDIR)$incdir
6821 BINDIR=\$(DESTDIR)$bindir
6822 DATADIR=\$(DESTDIR)$datadir
6823 DOCDIR=\$(DESTDIR)$docdir
6824 MANDIR=\$(DESTDIR)$mandir
6825 PKGCONFIGDIR=\$(DESTDIR)$pkgconfigdir
6826 INSTALL_NAME_DIR=$install_name_dir
6827 SRC_PATH=$source_path
6828 SRC_LINK=$source_link
6829 ifndef MAIN_MAKEFILE
6830 SRC_PATH:=\$(SRC_PATH:.%=..%)
6834 INTRINSICS=$intrinsics
6835 EXTERN_PREFIX=$extern_prefix
6842 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
6844 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
6846 DEPX86ASM=$x86asmexe
6847 DEPX86ASMFLAGS=\$(X86ASMFLAGS)
6855 STRIPTYPE=$striptype
6862 OBJCFLAGS=$OBJCFLAGS
6864 NVCCFLAGS=$nvccflags
6885 LDEXEFLAGS=$LDEXEFLAGS
6886 LDSOFLAGS=$LDSOFLAGS
6887 SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
6888 ASMSTRIPFLAGS=$ASMSTRIPFLAGS
6889 X86ASMFLAGS=$X86ASMFLAGS
6890 BUILDSUF=$build_suffix
6891 PROGSSUF=$progs_suffix
6899 EXTRA_VERSION=$extra_version
6902 CCDEP_FLAGS=$CCDEP_FLAGS
6904 ASDEP_FLAGS=$ASDEP_FLAGS
6905 X86ASMDEP=$X86ASMDEP
6906 X86ASMDEP_FLAGS=$X86ASMDEP_FLAGS
6907 CC_DEPFLAGS=$CC_DEPFLAGS
6908 AS_DEPFLAGS=$AS_DEPFLAGS
6909 X86ASM_DEPFLAGS=$X86ASM_DEPFLAGS
6912 HOSTCFLAGS=$host_cflags
6913 HOSTCPPFLAGS=$host_cppflags
6914 HOSTEXESUF=$HOSTEXESUF
6915 HOSTLDFLAGS=$host_ldflags
6916 HOSTEXTRALIBS=$host_extralibs
6918 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
6919 HOSTCCDEP=$HOSTCCDEP
6920 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
6921 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
6925 TARGET_EXEC=$target_exec $target_exec_args
6926 TARGET_PATH=$target_path
6927 TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}
6928 CFLAGS-ffplay=${sdl2_cflags}
6929 CFLAGS_HEADERS=$CFLAGS_HEADERS
6930 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
6931 EXTRALIBS=$extralibs
6932 COMPAT_OBJS=$compat_objs
6934 SLIBNAME=${SLIBNAME}
6935 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
6936 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
6937 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
6938 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
6939 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
6940 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
6941 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
6942 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
6943 VERSION_SCRIPT_POSTPROCESS_CMD=${VERSION_SCRIPT_POSTPROCESS_CMD}
6944 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
6945 NOREDZONE_FLAGS=$noredzone_flags
6946 LIBFUZZER_PATH=$libfuzzer_path
6947 IGNORE_TESTS=$ignore_tests
6950 map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> ffbuild/config.mak' $LIBRARY_LIST
6952 for entry in $LIBRARY_LIST $PROGRAM_LIST $EXTRALIBS_LIST; do
6953 eval echo "EXTRALIBS-${entry}=\$${entry}_extralibs" >> ffbuild/config.mak
6957 /* Automatically generated by configure - do not modify! */
6958 #ifndef FFMPEG_CONFIG_H
6959 #define FFMPEG_CONFIG_H
6960 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
6961 #define FFMPEG_LICENSE "$(c_escape $license)"
6962 #define CONFIG_THIS_YEAR 2017
6963 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
6964 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
6965 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
6966 #define av_restrict $_restrict
6967 #define EXTERN_PREFIX "${extern_prefix}"
6968 #define EXTERN_ASM ${extern_prefix}
6969 #define BUILDSUF "$build_suffix"
6970 #define SLIBSUF "$SLIBSUF"
6971 #define HAVE_MMX2 HAVE_MMXEXT
6972 #define SWS_MAX_FILTER_SIZE $sws_max_filter_size
6975 test -n "$assert_level" &&
6976 echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
6978 test -n "$malloc_prefix" &&
6979 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
6981 if enabled x86asm; then
6982 append config_files $TMPASM
6984 ; Automatically generated by configure - do not modify!
6988 enabled getenv || echo "#define getenv(x) NULL" >> $TMPH
6994 echo "@c auto-generated by configure - do not modify! " > doc/config.texi
6996 print_config ARCH_ "$config_files" $ARCH_LIST
6997 print_config HAVE_ "$config_files" $HAVE_LIST
6998 print_config CONFIG_ "$config_files" $CONFIG_LIST \
7002 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
7003 echo "endif # FFMPEG_CONFIG_MAK" >> ffbuild/config.mak
7005 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
7006 cp_if_changed $TMPH config.h
7007 touch ffbuild/.config
7009 enabled x86asm && cp_if_changed $TMPASM config.asm
7012 /* Generated by ffmpeg configure */
7013 #ifndef AVUTIL_AVCONFIG_H
7014 #define AVUTIL_AVCONFIG_H
7017 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
7019 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
7021 cp_if_changed $TMPH libavutil/avconfig.h
7023 # generate the lists of enabled components
7024 print_enabled_components(){
7029 echo "static const $struct_name * const $name[] = {" > $TMPH
7031 enabled $c && printf " &ff_%s,\n" $c >> $TMPH
7033 echo " NULL };" >> $TMPH
7034 cp_if_changed $TMPH $file
7037 print_enabled_components libavcodec/bsf_list.c AVBitStreamFilter bitstream_filters $BSF_LIST
7038 print_enabled_components libavformat/protocol_list.c URLProtocol url_protocols $PROTOCOL_LIST
7040 # Settings for pkg-config files
7043 # Automatically generated by configure - do not modify!
7045 build_suffix=$build_suffix
7049 rpath=$(enabled rpath && echo "-Wl,-rpath,\${libdir}")
7050 source_path=${source_path}
7053 extralibs_avutil="$avutil_extralibs"
7054 extralibs_avcodec="$avcodec_extralibs"
7055 extralibs_avformat="$avformat_extralibs"
7056 extralibs_avdevice="$avdevice_extralibs"
7057 extralibs_avfilter="$avfilter_extralibs"
7058 extralibs_avresample="$avresample_extralibs"
7059 extralibs_postproc="$postproc_extralibs"
7060 extralibs_swscale="$swscale_extralibs"
7061 extralibs_swresample="$swresample_extralibs"
7064 for lib in $LIBRARY_LIST; do
7065 lib_deps="$(eval echo \$${lib}_deps)"
7066 echo ${lib}_deps=\"$lib_deps\" >> $TMPH
7069 cp_if_changed $TMPH ffbuild/config.sh