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 [$sws_max_filter_size_default]
394 Optimization options (experts only):
395 --disable-asm disable all assembly optimizations
396 --disable-altivec disable AltiVec optimizations
397 --disable-vsx disable VSX optimizations
398 --disable-power8 disable POWER8 optimizations
399 --disable-amd3dnow disable 3DNow! optimizations
400 --disable-amd3dnowext disable 3DNow! extended optimizations
401 --disable-mmx disable MMX optimizations
402 --disable-mmxext disable MMXEXT optimizations
403 --disable-sse disable SSE optimizations
404 --disable-sse2 disable SSE2 optimizations
405 --disable-sse3 disable SSE3 optimizations
406 --disable-ssse3 disable SSSE3 optimizations
407 --disable-sse4 disable SSE4 optimizations
408 --disable-sse42 disable SSE4.2 optimizations
409 --disable-avx disable AVX optimizations
410 --disable-xop disable XOP optimizations
411 --disable-fma3 disable FMA3 optimizations
412 --disable-fma4 disable FMA4 optimizations
413 --disable-avx2 disable AVX2 optimizations
414 --disable-aesni disable AESNI optimizations
415 --disable-armv5te disable armv5te optimizations
416 --disable-armv6 disable armv6 optimizations
417 --disable-armv6t2 disable armv6t2 optimizations
418 --disable-vfp disable VFP optimizations
419 --disable-neon disable NEON optimizations
420 --disable-inline-asm disable use of inline assembly
421 --disable-x86asm disable use of standalone x86 assembly
422 --disable-mipsdsp disable MIPS DSP ASE R1 optimizations
423 --disable-mipsdspr2 disable MIPS DSP ASE R2 optimizations
424 --disable-msa disable MSA optimizations
425 --disable-mipsfpu disable floating point MIPS optimizations
426 --disable-mmi disable Loongson SIMD optimizations
427 --disable-fast-unaligned consider unaligned accesses slow
429 Developer options (useful when working on FFmpeg itself):
430 --disable-debug disable debugging symbols
431 --enable-debug=LEVEL set the debug level [$debuglevel]
432 --disable-optimizations disable compiler optimizations
433 --enable-extra-warnings enable more compiler warnings
434 --disable-stripping disable stripping of executables and shared libraries
435 --assert-level=level 0(default), 1 or 2, amount of assertion testing,
436 2 causes a slowdown at runtime.
437 --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
438 --valgrind=VALGRIND run "make fate" tests through valgrind to detect memory
439 leaks and errors, using the specified valgrind binary.
440 Cannot be combined with --target-exec
441 --enable-ftrapv Trap arithmetic overflows
442 --samples=PATH location of test samples for FATE, if not set use
443 \$FATE_SAMPLES at make invocation time.
444 --enable-neon-clobber-test check NEON registers for clobbering (should be
445 used only for debugging purposes)
446 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
447 should be used only for debugging purposes)
448 --enable-random randomly enable/disable components
450 --enable-random=LIST randomly enable/disable specific components or
451 --disable-random=LIST component groups. LIST is a comma-separated list
452 of NAME[:PROB] entries where NAME is a component
453 (group) and PROB the probability associated with
455 --random-seed=VALUE seed value for --enable/disable-random
456 --disable-valgrind-backtrace do not print a backtrace under Valgrind
457 (only applies to --disable-optimizations builds)
458 --enable-osfuzz Enable building fuzzer tool
459 --libfuzzer=PATH path to libfuzzer
460 --ignore-tests=TESTS comma-separated list (without "fate-" prefix
461 in the name) of tests whose result is ignored
462 --enable-linux-perf enable Linux Performance Monitor API
464 NOTE: Object files are built at the place where configure is launched.
469 if test -t 1 && which tput >/dev/null 2>&1; then
470 ncolors=$(tput colors)
471 if test -n "$ncolors" && test $ncolors -ge 8; then
472 bold_color=$(tput bold)
473 warn_color=$(tput setaf 3)
474 error_color=$(tput setaf 1)
475 reset_color=$(tput sgr0)
477 # 72 used instead of 80 since that's the default of pr
483 echo "$@" >> $logfile
488 pr -n -t $1 >> $logfile
494 WARNINGS="${WARNINGS}WARNING: $*\n"
499 echo "$error_color$bold_color$@$reset_color"
502 If you think configure made a mistake, make sure you are using the latest
503 version from Git. If the latest version fails, report the problem to the
504 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
506 if disabled logging; then
508 Rerun configure with logging enabled (do not use --disable-logging), and
509 include the log this produces with your report.
513 Include the log file "$logfile" produced by configure as this will help
520 # Avoid locale weirdness, besides we really just want to translate ASCII.
522 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
526 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
530 echo "$*" | sed 's/["\\]/\\\0/g'
534 v=$(echo "$1" | sed "s/'/'\\\\''/g")
535 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
540 echo "$@" | sed 's/^ *//;s/[[:space:]][[:space:]]*/ /g;s/ *$//'
547 eval "case '$v' in $pat) printf '%s ' '$v' ;; esac"
555 eval "case '$v' in $pat) ;; *) printf '%s ' '$v' ;; esac"
562 for v; do eval $m; done
568 for v; do echo ${v}${suffix}; done
583 eval : \${$var:=$value}
588 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
594 eval $(sanitize_var_name "$var")='$*'
598 eval echo \$$(sanitize_var_name "$1")
603 eval level=\${${pvar}_level:=0}
604 eval ${pvar}_${level}="\$$pvar"
605 eval ${pvar}_level=$(($level+1))
611 eval level=\${${pvar}_level:-0}
612 test $level = 0 && continue
613 eval level=$(($level-1))
614 eval $pvar="\${${pvar}_${level}}"
615 eval ${pvar}_level=$level
616 eval unset ${pvar}_${level}
622 eval ${var}_requested=yes
645 enable $(sanitize_var_name $var)
651 disable $(sanitize_var_name $var)
657 enabled $var && continue
658 eval sel="\$${var}_select"
659 eval sgs="\$${var}_suggest"
663 enable_deep_weak $sgs
675 disabled $var && continue
684 test "${1#!}" = "$1" && op="=" || op="!="
685 eval test "x\$${1#!}_requested" $op "xyes"
689 test "${1#!}" = "$1" && op="=" || op="!="
690 eval test "x\$${1#!}" $op "xyes"
694 test "${1#!}" = "$1" && op="=" || op="!="
695 eval test "x\$${1#!}" $op "xno"
700 enabled $opt || return 1
706 disabled $opt || return 1
712 enabled $opt && return 0
718 disabled $opt && return 0
725 eval : \${$opt:=\$${opt}_default}
733 [ $var = $value ] && return 0
740 enabled ${cfg}_checking && die "Circular dependency for $cfg."
741 disabled ${cfg}_checking && continue
742 enable ${cfg}_checking
744 eval dep_all="\$${cfg}_deps"
745 eval dep_any="\$${cfg}_deps_any"
746 eval dep_con="\$${cfg}_conflict"
747 eval dep_sel="\$${cfg}_select"
748 eval dep_sgs="\$${cfg}_suggest"
749 eval dep_ifa="\$${cfg}_if"
750 eval dep_ifn="\$${cfg}_if_any"
752 pushvar cfg dep_all dep_any dep_con dep_sel dep_sgs dep_ifa dep_ifn
753 check_deps $dep_all $dep_any $dep_con $dep_sel $dep_sgs $dep_ifa $dep_ifn
754 popvar cfg dep_all dep_any dep_con dep_sel dep_sgs dep_ifa dep_ifn
756 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
757 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
758 enabled_all $dep_all || { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but not all dependencies are satisfied: $dep_all"; }
759 enabled_any $dep_any || { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but not any dependency is satisfied: $dep_any"; }
760 disabled_all $dep_con || { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but some conflicting dependencies are unsatisfied: $dep_con"; }
761 disabled_any $dep_sel && { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but some selected dependency is unsatisfied: $dep_sel"; }
763 enabled $cfg && enable_deep_weak $dep_sel $dep_sgs
765 for dep in $dep_all $dep_any $dep_sel $dep_sgs; do
766 # filter out library deps, these do not belong in extralibs
767 is_in $dep $LIBRARY_LIST && continue
768 enabled $dep && eval append ${cfg}_extralibs ${dep}_extralibs
771 disable ${cfg}_checking
779 map 'eval echo "$v \${$v:-no}"' "$@" |
780 awk "BEGIN { split(\"$files\", files) }
782 c = \"$pfx\" toupper(\$1);
788 if (file ~ /\\.h\$/) {
789 printf(\"#define %s %d\\n\", c, v) >>file;
790 } else if (file ~ /\\.asm\$/) {
791 printf(\"%%define %s %d\\n\", c, v) >>file;
792 } else if (file ~ /\\.mak\$/) {
793 n = -v ? \"\" : \"!\";
794 printf(\"%s%s=yes\\n\", n, c) >>file;
795 } else if (file ~ /\\.texi\$/) {
796 pre = -v ? \"\" : \"@c \";
799 gsub(/_/, \"-\", c2);
800 printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
810 enabled $v && printf "%s\n" ${v%$suf}
817 eval "$var=\"\$$var $*\""
823 eval "$var=\"$* \$$var\""
829 for tok in $(eval echo \$$var); do
830 uniq_list="$(filter_out $tok $uniq_list) $tok"
832 eval "$var=\"${uniq_list}\""
838 for entry in $(eval echo \$$var); do
839 tmpvar="$tmpvar $(eval echo \$${entry})"
841 eval "$var=\"${tmpvar}\""
849 append CFLAGS $($cflags_filter "$@")
852 add_cflags_headers(){
853 append CFLAGS_HEADERS $($cflags_filter "$@")
857 append CXXFLAGS $($cflags_filter "$@")
861 append ASFLAGS $($asflags_filter "$@")
865 append OBJCFLAGS $($objcflags_filter "$@")
869 append LDFLAGS $($ldflags_filter "$@")
873 append LDEXEFLAGS $($ldflags_filter "$@")
877 append LDSOFLAGS $($ldflags_filter "$@")
881 append ASMSTRIPFLAGS "$@"
885 prepend extralibs $($ldflags_filter "$@")
889 append host_cppflags "$@"
893 append host_cflags $($host_cflags_filter "$@")
897 append host_ldflags $($host_ldflags_filter "$@")
901 append compat_objs $1
903 map 'add_cppflags -D$v' "$@"
908 "$@" >> $logfile 2>&1
913 stat "$1" >> $logfile 2>&1
917 eval printf '%s\\n' $CC_O
921 eval printf '%s\\n' $CC_E
928 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
935 check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
942 check_cmd $objcc -Werror=missing-prototypes $CPPFLAGS $CFLAGS $OBJCFLAGS "$@" $OBJCC_C $(cc_o $TMPO) $TMPM
949 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
953 eval printf '%s\\n' $AS_O
960 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
964 log check_inline_asm "$@"
969 check_cc "$@" <<EOF && enable $name
970 void foo(void){ __asm__ volatile($code); }
974 check_inline_asm_flags(){
975 log check_inline_asm_flags "$@"
980 while [ "$1" != "" ]; do
986 void foo(void){ __asm__ volatile($code); }
989 check_cmd $cc $CPPFLAGS $CFLAGS $flags "$@" $CC_C $(cc_o $TMPO) $TMPC &&
990 enable $name && add_cflags $flags && add_asflags $flags && add_ldflags $flags
995 check_inline_asm ${1}_inline "\"$2\""
996 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
1000 log check_x86asm "$@"
1004 check_cmd $x86asmexe $X86ASMFLAGS -Werror "$@" -o $TMPO $TMPS
1008 eval printf '%s\\n' $LD_O
1015 flags=$(filter_out '-l*|*.so' $@)
1016 libs=$(filter '-l*|*.so' $@)
1017 check_$type $($cflags_filter $flags) || return
1018 flags=$($ldflags_filter $flags)
1019 libs=$($ldflags_filter $libs)
1020 check_cmd $ld $LDFLAGS $LDEXEFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
1025 test "${hdr%.h}" = "${hdr}" &&
1026 echo "#include $hdr" ||
1027 echo "#include <$hdr>"
1037 for hdr in $headers; do
1040 echo "int main(void) { $code; return 0; }"
1041 } | check_$check "$@"
1045 log check_cppflags "$@"
1046 check_cpp "$@" <<EOF && append CPPFLAGS "$@"
1052 log test_cflags "$@"
1053 set -- $($cflags_filter "$@")
1060 log check_cflags "$@"
1061 test_cflags "$@" && add_cflags "$@"
1065 log check_cxxflags "$@"
1066 set -- $($cflags_filter "$@")
1067 check_cxx "$@" <<EOF && append CXXFLAGS "$@"
1073 log test_objcflags "$@"
1074 set -- $($objcflags_filter "$@")
1075 check_objcc "$@" <<EOF
1081 log check_objcflags "$@"
1082 test_objcflags "$@" && add_objcflags "$@"
1086 log test_ldflags "$@"
1087 set -- $($ldflags_filter "$@")
1088 check_ld "cc" "$@" <<EOF
1089 int main(void){ return 0; }
1094 log check_ldflags "$@"
1095 test_ldflags "$@" && add_ldflags "$@"
1099 log test_stripflags "$@"
1100 # call check_cc to get a fresh TMPO
1102 int main(void) { return 0; }
1104 check_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO
1108 log check_stripflags "$@"
1109 test_stripflags "$@" && add_stripflags "$@"
1113 log check_header "$@"
1116 disable_sanitized $headers
1118 for hdr in $headers; do
1122 } | check_cpp "$@" && enable_sanitized $headers
1125 check_header_objcc(){
1126 log check_header_objcc "$@"
1130 disable_sanitized $header
1132 echo "#include <$header>"
1133 echo "int main(void) { return 0; }"
1134 } | check_objcc && check_stat "$TMPO" && enable_sanitized $header
1137 check_apple_framework(){
1138 log check_apple_framework "$@"
1140 name="$(tolower $framework)"
1141 header="${framework}/${framework}.h"
1143 check_header_objcc $header &&
1144 enable $name && eval ${name}_extralibs='"-framework $framework"'
1152 check_ld "cc" "$@" <<EOF && enable $func
1154 int main(void){ $func(); }
1158 check_complexfunc(){
1159 log check_complexfunc "$@"
1163 test $narg = 2 && args="f, g" || args="f * I"
1165 check_ld "cc" "$@" <<EOF && enable $func
1166 #include <complex.h>
1168 float foo(complex float f, complex float g) { return $func($args); }
1169 int main(void){ return (int) foo; }
1174 log check_mathfunc "$@"
1178 test $narg = 2 && args="f, g" || args="f"
1180 check_ld "cc" "$@" <<EOF && enable $func
1182 float foo(float f, float g) { return $func($args); }
1183 int main(void){ return (int) foo; }
1187 check_func_headers(){
1188 log check_func_headers "$@"
1193 for hdr in $headers; do
1196 echo "#include <stdint.h>"
1197 for func in $funcs; do
1198 echo "long check_$func(void) { return (long) $func; }"
1200 echo "int main(void) { int ret = 0;"
1201 # LTO could optimize out the test functions without this
1202 for func in $funcs; do
1203 echo " ret |= ((intptr_t)check_$func) & 0xFFFF;"
1205 echo "return ret; }"
1206 } | check_ld "cc" "$@" && enable $funcs && enable_sanitized $headers
1209 check_class_headers_cpp(){
1210 log check_class_headers_cpp "$@"
1215 for hdr in $headers; do
1216 echo "#include <$hdr>"
1218 echo "int main(void) { "
1220 for class in $classes; do
1221 echo "$class obj$i;"
1225 } | check_ld "cxx" "$@" && enable $funcs && enable_sanitized $headers
1228 check_cpp_condition(){
1229 log check_cpp_condition "$@"
1233 check_cpp "$@" <<EOF
1236 #error "unsatisfied condition: $condition"
1242 log test_cflags_cc "$@"
1247 set -- $($cflags_filter "$flags")
1251 #error "unsatisfied condition: $condition"
1263 check_func_headers "$headers" "$funcs" "$@" &&
1264 enable $name && eval ${name}_extralibs="\$@"
1268 log check_lib_cpp "$@"
1274 check_class_headers_cpp "$headers" "$classes" "$@" &&
1275 enable $name && eval ${name}_extralibs="\$@"
1279 log test_pkg_config "$@"
1287 check_cmd $pkg_config --exists --print-errors $pkg_version || return
1288 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1289 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1290 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1292 set_sanitized "${name}_cflags" $pkg_cflags &&
1293 set_sanitized "${name}_extralibs" $pkg_libs
1297 log check_pkg_config "$@"
1299 test_pkg_config "$@" &&
1300 eval add_cflags \$${name}_cflags
1304 check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1308 log check_exec_crash "$@"
1311 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1312 # are safe but may not be available everywhere. Thus we use
1313 # raise(SIGTERM) instead. The check is run in a subshell so we
1314 # can redirect the "Terminated" message from the shell. SIGBUS
1315 # is not defined by standard C so it is used conditionally.
1317 (check_exec "$@") >> $logfile 2>&1 <<EOF
1319 static void sighandler(int sig){
1325 int (*func_ptr)(void) = foo;
1327 signal(SIGILL, sighandler);
1328 signal(SIGFPE, sighandler);
1329 signal(SIGSEGV, sighandler);
1331 signal(SIGBUS, sighandler);
1343 disable_sanitized "$type"
1344 check_code cc "$headers" "$type v" "$@" && enable_sanitized "$type"
1348 log check_struct "$@"
1353 disable_sanitized "${struct}_${member}"
1354 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1355 enable_sanitized "${struct}_${member}"
1359 log check_builtin "$@"
1365 check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1368 check_compile_assert(){
1369 log check_compile_assert "$@"
1375 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1385 check_lib $name "$headers" $func "$@" || die "ERROR: $name_version not found"
1393 check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1397 log require_header "$@"
1400 check_header "$headers" "$@" || die "ERROR: $headers not found"
1403 require_cpp_condition(){
1404 log require_cpp_condition "$@"
1408 check_cpp_condition "$header" "$condition" "$@" || die "ERROR: $condition not satisfied"
1411 require_pkg_config(){
1412 log require_pkg_config "$@"
1414 check_pkg_config "$@" || die "ERROR: $pkg_version not found using pkg-config$pkg_config_fail_message"
1418 eval printf '%s\\n' $HOSTCC_E
1422 eval printf '%s\\n' $HOSTCC_O
1426 log check_host_cc "$@"
1429 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1433 log check_host_cpp "$@"
1436 check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1439 check_host_cppflags(){
1440 log check_host_cppflags "$@"
1441 check_host_cpp "$@" <<EOF && append host_cppflags "$@"
1446 check_host_cflags(){
1447 log check_host_cflags "$@"
1448 set -- $($host_cflags_filter "$@")
1449 check_host_cc "$@" <<EOF && append host_cflags "$@"
1454 check_host_cpp_condition(){
1455 log check_host_cpp_condition "$@"
1459 check_host_cpp "$@" <<EOF
1462 #error "unsatisfied condition: $condition"
1468 cmp -s "$1" "$2" && { test "$quiet" != "yes" && echo "$2 is unchanged"; } && return
1469 mkdir -p "$(dirname $2)"
1473 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1474 # system-dependent things.
1476 AVCODEC_COMPONENTS="
1484 AVDEVICE_COMPONENTS="
1489 AVFILTER_COMPONENTS="
1493 AVFORMAT_COMPONENTS="
1501 $AVDEVICE_COMPONENTS
1502 $AVFILTER_COMPONENTS
1503 $AVFORMAT_COMPONENTS
1507 avio_dir_cmd_example
1508 avio_reading_example
1509 decode_audio_example
1510 decode_video_example
1511 demuxing_decoding_example
1512 encode_audio_example
1513 encode_video_example
1515 filter_audio_example
1516 filtering_audio_example
1517 filtering_video_example
1518 http_multiclient_example
1524 resampling_audio_example
1525 scaling_video_example
1526 transcode_aac_example
1528 vaapi_encode_example
1531 EXTERNAL_AUTODETECT_LIBRARY_LIST="
1551 EXTERNAL_LIBRARY_GPL_LIST="
1563 EXTERNAL_LIBRARY_NONFREE_LIST="
1571 EXTERNAL_LIBRARY_VERSION3_LIST="
1580 EXTERNAL_LIBRARY_GPLV3_LIST="
1584 EXTERNAL_LIBRARY_LIST="
1585 $EXTERNAL_LIBRARY_GPL_LIST
1586 $EXTERNAL_LIBRARY_NONFREE_LIST
1587 $EXTERNAL_LIBRARY_VERSION3_LIST
1588 $EXTERNAL_LIBRARY_GPLV3_LIST
1646 HWACCEL_AUTODETECT_LIBRARY_LIST="
1663 # catchall list of things that require external libs to link
1669 HWACCEL_LIBRARY_NONFREE_LIST="
1674 HWACCEL_LIBRARY_LIST="
1675 $HWACCEL_LIBRARY_NONFREE_LIST
1696 safe_bitstream_reader
1743 # COMPONENT_LIST needs to come last to ensure correct dependency checking
1747 $EXTERNAL_LIBRARY_LIST
1748 $EXTERNAL_AUTODETECT_LIBRARY_LIST
1749 $HWACCEL_LIBRARY_LIST
1750 $HWACCEL_AUTODETECT_LIBRARY_LIST
1782 $EXTERNAL_AUTODETECT_LIBRARY_LIST
1783 $HWACCEL_AUTODETECT_LIBRARY_LIST
1825 ARCH_EXT_LIST_MIPS="
1837 ARCH_EXT_LIST_LOONGSON="
1843 ARCH_EXT_LIST_X86_SIMD="
1872 $ARCH_EXT_LIST_X86_SIMD
1882 $ARCH_EXT_LIST_LOONGSON
1903 sync_val_compare_and_swap
1920 cdio_paranoia_paranoia_h
1923 dev_bktr_ioctl_bt848_h
1924 dev_bktr_ioctl_meteor_h
1926 dev_video_bktr_ioctl_bt848_h
1927 dev_video_meteor_ioctl_meteor_h
1935 machine_ioctl_bt848_h
1936 machine_ioctl_meteor_h
1938 opencv2_core_core_c_h
2001 MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS
2019 GetProcessAffinityMask
2020 GetProcessMemoryInfo
2023 GetSystemTimeAsFileTime
2046 SetConsoleTextAttribute
2047 SetConsoleCtrlHandler
2055 UTGetOSTypeFromString
2067 TOOLCHAIN_FEATURES="
2079 inline_asm_direct_symbol_refs
2081 inline_asm_nonlocal_labels
2092 CONDITION_VARIABLE_Ptr
2093 kCMVideoCodecType_HEVC
2096 struct_group_source_req
2097 struct_ip_mreq_source
2099 struct_msghdr_msg_flags
2101 struct_rusage_ru_maxrss
2102 struct_sctp_event_subscribe
2104 struct_sockaddr_sa_len
2105 struct_sockaddr_storage
2106 struct_stat_st_mtim_tv_nsec
2107 struct_v4l2_frmivalenum_discrete
2112 $(add_suffix _external $ARCH_EXT_LIST)
2113 $(add_suffix _inline $ARCH_EXT_LIST)
2134 opencl_vaapi_beignet
2135 opencl_vaapi_intel_media
2141 # options emitted with CONFIG_ prefix but not available on the command line
2163 frame_thread_encoder
2319 # code dependency declarations
2321 # architecture extensions
2326 armv8_deps="aarch64"
2327 neon_deps_any="aarch64 arm"
2328 intrinsics_neon_deps="neon"
2329 vfp_deps_any="aarch64 arm"
2333 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
2342 loongson2_deps="mips"
2343 loongson3_deps="mips"
2344 mips32r2_deps="mips"
2345 mips32r5_deps="mips"
2346 mips32r6_deps="mips"
2347 mips64r2_deps="mips"
2348 mips64r6_deps="mips"
2351 mipsdspr2_deps="mips"
2356 x86_64_select="i686"
2357 x86_64_suggest="fast_cmov"
2360 amd3dnowext_deps="amd3dnow"
2377 mmx_external_deps="x86asm"
2378 mmx_inline_deps="inline_asm x86"
2379 mmx_suggest="mmx_external mmx_inline"
2381 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
2382 eval dep=\$${ext}_deps
2383 eval ${ext}_external_deps='"${dep}_external"'
2384 eval ${ext}_inline_deps='"${dep}_inline"'
2385 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
2388 aligned_stack_if_any="aarch64 ppc x86"
2389 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
2390 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
2391 fast_unaligned_if_any="aarch64 ppc x86"
2392 simd_align_16_if_any="altivec neon sse"
2393 simd_align_32_if_any="avx"
2395 # system capabilities
2396 symver_if_any="symver_asm_label symver_gnu_asm"
2397 valgrind_backtrace_conflict="optimizations"
2398 valgrind_backtrace_deps="valgrind_valgrind_h"
2401 atomics_gcc_if="sync_val_compare_and_swap"
2402 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
2403 atomics_win32_if="MemoryBarrier"
2404 atomics_native_if_any="$ATOMICS_LIST"
2405 w32threads_deps="atomics_native"
2406 threads_if_any="$THREADS_LIST"
2409 cbs_h264_select="cbs golomb"
2410 cbs_h265_select="cbs golomb"
2411 cbs_mpeg2_select="cbs"
2413 dirac_parse_select="golomb"
2414 error_resilience_select="me_cmp"
2416 faandct_select="fdctdsp"
2417 faanidct_deps="faan"
2418 faanidct_select="idctdsp"
2419 h264dsp_select="startcode"
2420 hevcparse_select="golomb"
2421 frame_thread_encoder_deps="encoders threads"
2422 intrax8_select="blockdsp idctdsp"
2425 me_cmp_select="fdctdsp idctdsp pixblockdsp"
2426 mpeg_er_select="error_resilience"
2427 mpegaudio_select="mpegaudiodsp mpegaudioheader"
2428 mpegaudiodsp_select="dct"
2429 mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp mpeg_er videodsp"
2430 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
2431 vc1dsp_select="h264chroma qpeldsp startcode"
2434 # decoders / encoders
2435 aac_decoder_select="adts_header mdct15 mdct sinewin"
2436 aac_fixed_decoder_select="mdct sinewin"
2437 aac_encoder_select="audio_frame_queue iirfilter lpc mdct sinewin"
2438 aac_latm_decoder_select="aac_decoder aac_latm_parser"
2439 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
2440 ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"
2441 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
2442 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
2443 adpcm_g722_decoder_select="g722dsp"
2444 adpcm_g722_encoder_select="g722dsp"
2445 aic_decoder_select="golomb idctdsp"
2446 alac_encoder_select="lpc"
2447 als_decoder_select="bswapdsp"
2448 amrnb_decoder_select="lsp"
2449 amrwb_decoder_select="lsp"
2450 amv_decoder_select="sp5x_decoder exif"
2451 amv_encoder_select="aandcttables jpegtables mpegvideoenc"
2452 ape_decoder_select="bswapdsp llauddsp"
2453 apng_decoder_deps="zlib"
2454 apng_encoder_deps="zlib"
2455 apng_encoder_select="llvidencdsp"
2456 aptx_decoder_select="audio_frame_queue"
2457 aptx_encoder_select="audio_frame_queue"
2458 asv1_decoder_select="blockdsp bswapdsp idctdsp"
2459 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
2460 asv2_decoder_select="blockdsp bswapdsp idctdsp"
2461 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
2462 atrac1_decoder_select="mdct sinewin"
2463 atrac3_decoder_select="mdct"
2464 atrac3p_decoder_select="mdct sinewin"
2465 avrn_decoder_select="exif jpegtables"
2466 bink_decoder_select="blockdsp hpeldsp"
2467 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
2468 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
2469 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
2470 clearvideo_decoder_select="idctdsp"
2471 cllc_decoder_select="bswapdsp"
2472 comfortnoise_encoder_select="lpc"
2473 cook_decoder_select="audiodsp mdct sinewin"
2474 cscd_decoder_select="lzo"
2475 cscd_decoder_suggest="zlib"
2476 dca_decoder_select="mdct"
2477 dds_decoder_select="texturedsp"
2478 dirac_decoder_select="dirac_parse dwt golomb videodsp mpegvideoenc"
2479 dnxhd_decoder_select="blockdsp idctdsp"
2480 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
2481 dolby_e_decoder_select="mdct"
2482 dvvideo_decoder_select="dvprofile idctdsp"
2483 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
2484 dxa_decoder_deps="zlib"
2485 dxv_decoder_select="lzf texturedsp"
2486 eac3_decoder_select="ac3_decoder"
2487 eac3_encoder_select="ac3_encoder"
2488 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
2489 eatgq_decoder_select="aandcttables"
2490 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp"
2491 exr_decoder_deps="zlib"
2492 ffv1_decoder_select="rangecoder"
2493 ffv1_encoder_select="rangecoder"
2494 ffvhuff_decoder_select="huffyuv_decoder"
2495 ffvhuff_encoder_select="huffyuv_encoder"
2496 fic_decoder_select="golomb"
2497 flac_decoder_select="flacdsp"
2498 flac_encoder_select="bswapdsp flacdsp lpc"
2499 flashsv2_decoder_deps="zlib"
2500 flashsv2_encoder_deps="zlib"
2501 flashsv_decoder_deps="zlib"
2502 flashsv_encoder_deps="zlib"
2503 flv_decoder_select="h263_decoder"
2504 flv_encoder_select="h263_encoder"
2505 fourxm_decoder_select="blockdsp bswapdsp"
2506 fraps_decoder_select="bswapdsp huffman"
2507 g2m_decoder_deps="zlib"
2508 g2m_decoder_select="blockdsp idctdsp jpegtables"
2509 g729_decoder_select="audiodsp"
2510 h261_decoder_select="mpegvideo"
2511 h261_encoder_select="aandcttables mpegvideoenc"
2512 h263_decoder_select="h263_parser h263dsp mpegvideo qpeldsp"
2513 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
2514 h263i_decoder_select="h263_decoder"
2515 h263p_decoder_select="h263_decoder"
2516 h263p_encoder_select="h263_encoder"
2517 h264_decoder_select="cabac golomb h264chroma h264dsp h264parse h264pred h264qpel videodsp"
2518 h264_decoder_suggest="error_resilience"
2519 hap_decoder_select="snappy texturedsp"
2520 hap_encoder_deps="libsnappy"
2521 hap_encoder_select="texturedspenc"
2522 hevc_decoder_select="bswapdsp cabac golomb hevcparse videodsp"
2523 huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"
2524 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llvidencdsp"
2525 iac_decoder_select="imc_decoder"
2526 imc_decoder_select="bswapdsp fft mdct sinewin"
2527 indeo3_decoder_select="hpeldsp"
2528 indeo4_decoder_select="ividsp"
2529 indeo5_decoder_select="ividsp"
2530 interplay_video_decoder_select="hpeldsp"
2531 jpegls_decoder_select="mjpeg_decoder"
2532 jv_decoder_select="blockdsp"
2533 lagarith_decoder_select="llviddsp"
2534 ljpeg_encoder_select="aandcttables idctdsp jpegtables mpegvideoenc"
2535 magicyuv_decoder_select="llviddsp"
2536 magicyuv_encoder_select="llvidencdsp"
2537 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2538 metasound_decoder_select="lsp mdct sinewin"
2539 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2540 mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"
2541 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
2542 mjpegb_decoder_select="mjpeg_decoder"
2543 mlp_decoder_select="mlp_parser"
2544 mlp_encoder_select="lpc"
2545 motionpixels_decoder_select="bswapdsp"
2546 mp1_decoder_select="mpegaudio"
2547 mp1float_decoder_select="mpegaudio"
2548 mp2_decoder_select="mpegaudio"
2549 mp2float_decoder_select="mpegaudio"
2550 mp3_decoder_select="mpegaudio"
2551 mp3adu_decoder_select="mpegaudio"
2552 mp3adufloat_decoder_select="mpegaudio"
2553 mp3float_decoder_select="mpegaudio"
2554 mp3on4_decoder_select="mpegaudio"
2555 mp3on4float_decoder_select="mpegaudio"
2556 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2557 mpc8_decoder_select="mpegaudiodsp"
2558 mpegvideo_decoder_select="mpegvideo"
2559 mpeg1video_decoder_select="mpegvideo"
2560 mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"
2561 mpeg2video_decoder_select="mpegvideo"
2562 mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"
2563 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2564 mpeg4_encoder_select="h263_encoder"
2565 msa1_decoder_select="mss34dsp"
2566 mscc_decoder_deps="zlib"
2567 msmpeg4v1_decoder_select="h263_decoder"
2568 msmpeg4v2_decoder_select="h263_decoder"
2569 msmpeg4v2_encoder_select="h263_encoder"
2570 msmpeg4v3_decoder_select="h263_decoder"
2571 msmpeg4v3_encoder_select="h263_encoder"
2572 mss2_decoder_select="mpegvideo qpeldsp vc1_decoder"
2573 mts2_decoder_select="mss34dsp"
2574 mxpeg_decoder_select="mjpeg_decoder"
2575 nellymoser_decoder_select="mdct sinewin"
2576 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2577 nuv_decoder_select="idctdsp lzo"
2578 on2avc_decoder_select="mdct"
2579 opus_decoder_deps="swresample"
2580 opus_decoder_select="mdct15"
2581 opus_encoder_select="audio_frame_queue mdct15"
2582 png_decoder_deps="zlib"
2583 png_encoder_deps="zlib"
2584 png_encoder_select="llvidencdsp"
2585 prores_decoder_select="blockdsp idctdsp"
2586 prores_encoder_select="fdctdsp"
2587 qcelp_decoder_select="lsp"
2588 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2589 ra_144_decoder_select="audiodsp"
2590 ra_144_encoder_select="audio_frame_queue lpc audiodsp"
2591 ralf_decoder_select="golomb"
2592 rawvideo_decoder_select="bswapdsp"
2593 rscc_decoder_deps="zlib"
2594 rtjpeg_decoder_select="me_cmp"
2595 rv10_decoder_select="h263_decoder"
2596 rv10_encoder_select="h263_encoder"
2597 rv20_decoder_select="h263_decoder"
2598 rv20_encoder_select="h263_encoder"
2599 rv30_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2600 rv40_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2601 screenpresso_decoder_deps="zlib"
2602 shorten_decoder_select="bswapdsp"
2603 sipr_decoder_select="lsp"
2604 snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"
2605 snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"
2606 sonic_decoder_select="golomb rangecoder"
2607 sonic_encoder_select="golomb rangecoder"
2608 sonic_ls_encoder_select="golomb rangecoder"
2609 sp5x_decoder_select="mjpeg_decoder"
2610 srgc_decoder_deps="zlib"
2611 svq1_decoder_select="hpeldsp"
2612 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2613 svq3_decoder_select="golomb h264dsp h264parse h264pred hpeldsp tpeldsp videodsp"
2614 svq3_decoder_suggest="zlib"
2615 tak_decoder_select="audiodsp"
2616 tdsc_decoder_deps="zlib"
2617 tdsc_decoder_select="mjpeg_decoder"
2618 theora_decoder_select="vp3_decoder"
2619 thp_decoder_select="mjpeg_decoder"
2620 tiff_decoder_suggest="zlib lzma"
2621 tiff_encoder_suggest="zlib"
2622 truehd_decoder_select="mlp_parser"
2623 truehd_encoder_select="lpc"
2624 truemotion2_decoder_select="bswapdsp"
2625 truespeech_decoder_select="bswapdsp"
2626 tscc_decoder_deps="zlib"
2627 twinvq_decoder_select="mdct lsp sinewin"
2628 txd_decoder_select="texturedsp"
2629 utvideo_decoder_select="bswapdsp llviddsp"
2630 utvideo_encoder_select="bswapdsp huffman llvidencdsp"
2631 vble_decoder_select="llviddsp"
2632 vc1_decoder_select="blockdsp h263_decoder h264qpel intrax8 mpegvideo vc1dsp"
2633 vc1image_decoder_select="vc1_decoder"
2634 vorbis_decoder_select="mdct"
2635 vorbis_encoder_select="mdct"
2636 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2637 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"
2638 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"
2639 vp6a_decoder_select="vp6_decoder"
2640 vp6f_decoder_select="vp6_decoder"
2641 vp7_decoder_select="h264pred videodsp vp8dsp"
2642 vp8_decoder_select="h264pred videodsp vp8dsp"
2643 vp9_decoder_select="videodsp vp9_parser vp9_superframe_split_bsf"
2644 webp_decoder_select="vp8_decoder exif"
2645 wmalossless_decoder_select="llauddsp"
2646 wmapro_decoder_select="mdct sinewin wma_freqs"
2647 wmav1_decoder_select="mdct sinewin wma_freqs"
2648 wmav1_encoder_select="mdct sinewin wma_freqs"
2649 wmav2_decoder_select="mdct sinewin wma_freqs"
2650 wmav2_encoder_select="mdct sinewin wma_freqs"
2651 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2652 wmv1_decoder_select="h263_decoder"
2653 wmv1_encoder_select="h263_encoder"
2654 wmv2_decoder_select="blockdsp error_resilience h263_decoder idctdsp intrax8 videodsp wmv2dsp"
2655 wmv2_encoder_select="h263_encoder wmv2dsp"
2656 wmv3_decoder_select="vc1_decoder"
2657 wmv3image_decoder_select="wmv3_decoder"
2658 xma1_decoder_select="wmapro_decoder"
2659 xma2_decoder_select="wmapro_decoder"
2660 zerocodec_decoder_deps="zlib"
2661 zlib_decoder_deps="zlib"
2662 zlib_encoder_deps="zlib"
2663 zmbv_decoder_deps="zlib"
2664 zmbv_encoder_deps="zlib"
2666 # hardware accelerators
2667 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
2668 cuda_deps_any="libdl LoadLibrary"
2670 d3d11va_deps="dxva_h ID3D11VideoDecoder ID3D11VideoContext"
2671 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode ole32 user32"
2673 videotoolbox_hwaccel_deps="videotoolbox pthreads"
2674 videotoolbox_hwaccel_extralibs="-framework QuartzCore"
2675 xvmc_deps="X11_extensions_XvMClib_h"
2677 h263_vaapi_hwaccel_deps="vaapi"
2678 h263_vaapi_hwaccel_select="h263_decoder"
2679 h263_videotoolbox_hwaccel_deps="videotoolbox"
2680 h263_videotoolbox_hwaccel_select="h263_decoder"
2681 h264_d3d11va_hwaccel_deps="d3d11va"
2682 h264_d3d11va_hwaccel_select="h264_decoder"
2683 h264_d3d11va2_hwaccel_deps="d3d11va"
2684 h264_d3d11va2_hwaccel_select="h264_decoder"
2685 h264_dxva2_hwaccel_deps="dxva2"
2686 h264_dxva2_hwaccel_select="h264_decoder"
2687 h264_nvdec_hwaccel_deps="nvdec"
2688 h264_nvdec_hwaccel_select="h264_decoder"
2689 h264_vaapi_hwaccel_deps="vaapi"
2690 h264_vaapi_hwaccel_select="h264_decoder"
2691 h264_vdpau_hwaccel_deps="vdpau"
2692 h264_vdpau_hwaccel_select="h264_decoder"
2693 h264_videotoolbox_hwaccel_deps="videotoolbox"
2694 h264_videotoolbox_hwaccel_select="h264_decoder"
2695 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2696 hevc_d3d11va_hwaccel_select="hevc_decoder"
2697 hevc_d3d11va2_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2698 hevc_d3d11va2_hwaccel_select="hevc_decoder"
2699 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2700 hevc_dxva2_hwaccel_select="hevc_decoder"
2701 hevc_nvdec_hwaccel_deps="nvdec"
2702 hevc_nvdec_hwaccel_select="hevc_decoder"
2703 hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC"
2704 hevc_vaapi_hwaccel_select="hevc_decoder"
2705 hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"
2706 hevc_vdpau_hwaccel_select="hevc_decoder"
2707 hevc_videotoolbox_hwaccel_deps="videotoolbox"
2708 hevc_videotoolbox_hwaccel_select="hevc_decoder"
2709 mpeg_xvmc_hwaccel_deps="xvmc"
2710 mpeg_xvmc_hwaccel_select="mpeg2video_decoder"
2711 mpeg1_nvdec_hwaccel_deps="nvdec"
2712 mpeg1_nvdec_hwaccel_select="mpeg1video_decoder"
2713 mpeg1_vdpau_hwaccel_deps="vdpau"
2714 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2715 mpeg1_videotoolbox_hwaccel_deps="videotoolbox"
2716 mpeg1_videotoolbox_hwaccel_select="mpeg1video_decoder"
2717 mpeg1_xvmc_hwaccel_deps="xvmc"
2718 mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"
2719 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2720 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2721 mpeg2_d3d11va2_hwaccel_deps="d3d11va"
2722 mpeg2_d3d11va2_hwaccel_select="mpeg2video_decoder"
2723 mpeg2_dxva2_hwaccel_deps="dxva2"
2724 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2725 mpeg2_nvdec_hwaccel_deps="nvdec"
2726 mpeg2_nvdec_hwaccel_select="mpeg2video_decoder"
2727 mpeg2_vaapi_hwaccel_deps="vaapi"
2728 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2729 mpeg2_vdpau_hwaccel_deps="vdpau"
2730 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2731 mpeg2_videotoolbox_hwaccel_deps="videotoolbox"
2732 mpeg2_videotoolbox_hwaccel_select="mpeg2video_decoder"
2733 mpeg2_xvmc_hwaccel_deps="xvmc"
2734 mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"
2735 mpeg4_nvdec_hwaccel_deps="nvdec"
2736 mpeg4_nvdec_hwaccel_select="mpeg4_decoder"
2737 mpeg4_vaapi_hwaccel_deps="vaapi"
2738 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2739 mpeg4_vdpau_hwaccel_deps="vdpau"
2740 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2741 mpeg4_videotoolbox_hwaccel_deps="videotoolbox"
2742 mpeg4_videotoolbox_hwaccel_select="mpeg4_decoder"
2743 vc1_d3d11va_hwaccel_deps="d3d11va"
2744 vc1_d3d11va_hwaccel_select="vc1_decoder"
2745 vc1_d3d11va2_hwaccel_deps="d3d11va"
2746 vc1_d3d11va2_hwaccel_select="vc1_decoder"
2747 vc1_dxva2_hwaccel_deps="dxva2"
2748 vc1_dxva2_hwaccel_select="vc1_decoder"
2749 vc1_nvdec_hwaccel_deps="nvdec"
2750 vc1_nvdec_hwaccel_select="vc1_decoder"
2751 vc1_vaapi_hwaccel_deps="vaapi"
2752 vc1_vaapi_hwaccel_select="vc1_decoder"
2753 vc1_vdpau_hwaccel_deps="vdpau"
2754 vc1_vdpau_hwaccel_select="vc1_decoder"
2755 vp8_nvdec_hwaccel_deps="nvdec"
2756 vp8_nvdec_hwaccel_select="vp8_decoder"
2757 vp8_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferVP8"
2758 vp8_vaapi_hwaccel_select="vp8_decoder"
2759 vp9_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_VP9"
2760 vp9_d3d11va_hwaccel_select="vp9_decoder"
2761 vp9_d3d11va2_hwaccel_deps="d3d11va DXVA_PicParams_VP9"
2762 vp9_d3d11va2_hwaccel_select="vp9_decoder"
2763 vp9_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_VP9"
2764 vp9_dxva2_hwaccel_select="vp9_decoder"
2765 vp9_nvdec_hwaccel_deps="nvdec"
2766 vp9_nvdec_hwaccel_select="vp9_decoder"
2767 vp9_vaapi_hwaccel_deps="vaapi VADecPictureParameterBufferVP9_bit_depth"
2768 vp9_vaapi_hwaccel_select="vp9_decoder"
2769 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2770 wmv3_d3d11va2_hwaccel_select="vc1_d3d11va2_hwaccel"
2771 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2772 wmv3_nvdec_hwaccel_select="vc1_nvdec_hwaccel"
2773 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2774 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2776 # hardware-accelerated codecs
2777 omx_deps="libdl pthreads"
2778 omx_rpi_select="omx"
2783 vaapi_encode_deps="vaapi"
2784 v4l2_m2m_deps_any="linux_videodev2_h"
2786 hwupload_cuda_filter_deps="cuda"
2787 scale_npp_filter_deps="cuda libnpp"
2788 scale_cuda_filter_deps="cuda_sdk"
2789 thumbnail_cuda_filter_deps="cuda_sdk"
2791 amf_deps_any="libdl LoadLibrary"
2793 nvenc_deps_any="libdl LoadLibrary"
2794 nvenc_encoder_deps="nvenc"
2796 h263_v4l2m2m_decoder_deps="v4l2_m2m h263_v4l2_m2m"
2797 h263_v4l2m2m_encoder_deps="v4l2_m2m h263_v4l2_m2m"
2798 h264_amf_encoder_deps="amf"
2799 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
2800 h264_cuvid_decoder_deps="cuvid"
2801 h264_cuvid_decoder_select="h264_mp4toannexb_bsf"
2802 h264_mediacodec_decoder_deps="mediacodec"
2803 h264_mediacodec_decoder_select="h264_mp4toannexb_bsf h264_parser"
2804 h264_mmal_decoder_deps="mmal"
2805 h264_nvenc_encoder_deps="nvenc"
2806 h264_omx_encoder_deps="omx"
2807 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec"
2808 h264_qsv_encoder_select="qsvenc"
2809 h264_rkmpp_decoder_deps="rkmpp"
2810 h264_rkmpp_decoder_select="h264_mp4toannexb_bsf"
2811 h264_vaapi_encoder_deps="VAEncPictureParameterBufferH264"
2812 h264_vaapi_encoder_select="cbs_h264 vaapi_encode"
2813 h264_v4l2m2m_decoder_deps="v4l2_m2m h264_v4l2_m2m"
2814 h264_v4l2m2m_encoder_deps="v4l2_m2m h264_v4l2_m2m"
2815 hevc_amf_encoder_deps="amf"
2816 hevc_cuvid_decoder_deps="cuvid"
2817 hevc_cuvid_decoder_select="hevc_mp4toannexb_bsf"
2818 hevc_mediacodec_decoder_deps="mediacodec"
2819 hevc_mediacodec_decoder_select="hevc_mp4toannexb_bsf hevc_parser"
2820 hevc_nvenc_encoder_deps="nvenc"
2821 hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec"
2822 hevc_qsv_encoder_select="hevcparse qsvenc"
2823 hevc_rkmpp_decoder_deps="rkmpp"
2824 hevc_rkmpp_decoder_select="hevc_mp4toannexb_bsf"
2825 hevc_vaapi_encoder_deps="VAEncPictureParameterBufferHEVC"
2826 hevc_vaapi_encoder_select="cbs_h265 vaapi_encode"
2827 hevc_v4l2m2m_decoder_deps="v4l2_m2m hevc_v4l2_m2m"
2828 hevc_v4l2m2m_encoder_deps="v4l2_m2m hevc_v4l2_m2m"
2829 mjpeg_cuvid_decoder_deps="cuvid"
2830 mjpeg_qsv_encoder_deps="libmfx"
2831 mjpeg_qsv_encoder_select="qsvenc"
2832 mjpeg_vaapi_encoder_deps="VAEncPictureParameterBufferJPEG"
2833 mjpeg_vaapi_encoder_select="vaapi_encode jpegtables"
2834 mpeg1_cuvid_decoder_deps="cuvid"
2835 mpeg1_v4l2m2m_decoder_deps="v4l2_m2m mpeg1_v4l2_m2m"
2836 mpeg2_crystalhd_decoder_select="crystalhd"
2837 mpeg2_cuvid_decoder_deps="cuvid"
2838 mpeg2_mmal_decoder_deps="mmal"
2839 mpeg2_mediacodec_decoder_deps="mediacodec"
2840 mpeg2_qsv_decoder_select="qsvdec mpegvideo_parser"
2841 mpeg2_qsv_encoder_select="qsvenc"
2842 mpeg2_vaapi_encoder_deps="VAEncPictureParameterBufferMPEG2"
2843 mpeg2_vaapi_encoder_select="cbs_mpeg2 vaapi_encode"
2844 mpeg2_v4l2m2m_decoder_deps="v4l2_m2m mpeg2_v4l2_m2m"
2845 mpeg4_crystalhd_decoder_select="crystalhd"
2846 mpeg4_cuvid_decoder_deps="cuvid"
2847 mpeg4_mediacodec_decoder_deps="mediacodec"
2848 mpeg4_mmal_decoder_deps="mmal"
2849 mpeg4_omx_encoder_deps="omx"
2850 mpeg4_v4l2m2m_decoder_deps="v4l2_m2m mpeg4_v4l2_m2m"
2851 mpeg4_v4l2m2m_encoder_deps="v4l2_m2m mpeg4_v4l2_m2m"
2852 msmpeg4_crystalhd_decoder_select="crystalhd"
2853 nvenc_h264_encoder_select="h264_nvenc_encoder"
2854 nvenc_hevc_encoder_select="hevc_nvenc_encoder"
2855 vc1_crystalhd_decoder_select="crystalhd"
2856 vc1_cuvid_decoder_deps="cuvid"
2857 vc1_mmal_decoder_deps="mmal"
2858 vc1_qsv_decoder_select="qsvdec vc1_parser"
2859 vc1_v4l2m2m_decoder_deps="v4l2_m2m vc1_v4l2_m2m"
2860 vp8_cuvid_decoder_deps="cuvid"
2861 vp8_mediacodec_decoder_deps="mediacodec"
2862 vp8_qsv_decoder_select="qsvdec vp8_parser"
2863 vp8_rkmpp_decoder_deps="rkmpp"
2864 vp8_vaapi_encoder_deps="VAEncPictureParameterBufferVP8"
2865 vp8_vaapi_encoder_select="vaapi_encode"
2866 vp8_v4l2m2m_decoder_deps="v4l2_m2m vp8_v4l2_m2m"
2867 vp8_v4l2m2m_encoder_deps="v4l2_m2m vp8_v4l2_m2m"
2868 vp9_cuvid_decoder_deps="cuvid"
2869 vp9_mediacodec_decoder_deps="mediacodec"
2870 vp9_rkmpp_decoder_deps="rkmpp"
2871 vp9_vaapi_encoder_deps="VAEncPictureParameterBufferVP9"
2872 vp9_vaapi_encoder_select="vaapi_encode"
2873 vp9_v4l2m2m_decoder_deps="v4l2_m2m vp9_v4l2_m2m"
2874 wmv3_crystalhd_decoder_select="crystalhd"
2877 aac_parser_select="adts_header"
2878 h264_parser_select="golomb h264dsp h264parse"
2879 hevc_parser_select="hevcparse"
2880 mpegaudio_parser_select="mpegaudioheader"
2881 mpegvideo_parser_select="mpegvideo"
2882 mpeg4video_parser_select="h263dsp mpegvideo qpeldsp"
2883 vc1_parser_select="vc1dsp"
2886 aac_adtstoasc_bsf_select="adts_header"
2887 h264_metadata_bsf_select="cbs_h264"
2888 h264_redundant_pps_bsf_select="cbs_h264"
2889 hevc_metadata_bsf_select="cbs_h265"
2890 mjpeg2jpeg_bsf_select="jpegtables"
2891 mpeg2_metadata_bsf_select="cbs_mpeg2"
2892 trace_headers_bsf_select="cbs_h264 cbs_h265 cbs_mpeg2"
2894 # external libraries
2895 aac_at_decoder_deps="audiotoolbox"
2896 aac_at_decoder_select="aac_adtstoasc_bsf"
2897 ac3_at_decoder_deps="audiotoolbox"
2898 ac3_at_decoder_select="ac3_parser"
2899 adpcm_ima_qt_at_decoder_deps="audiotoolbox"
2900 alac_at_decoder_deps="audiotoolbox"
2901 amr_nb_at_decoder_deps="audiotoolbox"
2902 avisynth_deps_any="libdl LoadLibrary"
2903 avisynth_demuxer_deps="avisynth"
2904 avisynth_demuxer_select="riffdec"
2905 eac3_at_decoder_deps="audiotoolbox"
2906 eac3_at_decoder_select="ac3_parser"
2907 gsm_ms_at_decoder_deps="audiotoolbox"
2908 ilbc_at_decoder_deps="audiotoolbox"
2909 mp1_at_decoder_deps="audiotoolbox"
2910 mp2_at_decoder_deps="audiotoolbox"
2911 mp3_at_decoder_deps="audiotoolbox"
2912 mp1_at_decoder_select="mpegaudioheader"
2913 mp2_at_decoder_select="mpegaudioheader"
2914 mp3_at_decoder_select="mpegaudioheader"
2915 pcm_alaw_at_decoder_deps="audiotoolbox"
2916 pcm_mulaw_at_decoder_deps="audiotoolbox"
2917 qdmc_at_decoder_deps="audiotoolbox"
2918 qdm2_at_decoder_deps="audiotoolbox"
2919 aac_at_encoder_deps="audiotoolbox"
2920 aac_at_encoder_select="audio_frame_queue"
2921 alac_at_encoder_deps="audiotoolbox"
2922 alac_at_encoder_select="audio_frame_queue"
2923 ilbc_at_encoder_deps="audiotoolbox"
2924 ilbc_at_encoder_select="audio_frame_queue"
2925 pcm_alaw_at_encoder_deps="audiotoolbox"
2926 pcm_alaw_at_encoder_select="audio_frame_queue"
2927 pcm_mulaw_at_encoder_deps="audiotoolbox"
2928 pcm_mulaw_at_encoder_select="audio_frame_queue"
2929 chromaprint_muxer_deps="chromaprint"
2930 h264_videotoolbox_encoder_deps="pthreads"
2931 h264_videotoolbox_encoder_select="videotoolbox_encoder"
2932 hevc_videotoolbox_encoder_deps="pthreads"
2933 hevc_videotoolbox_encoder_select="videotoolbox_encoder"
2934 libcelt_decoder_deps="libcelt"
2935 libfdk_aac_decoder_deps="libfdk_aac"
2936 libfdk_aac_encoder_deps="libfdk_aac"
2937 libfdk_aac_encoder_select="audio_frame_queue"
2938 libgme_demuxer_deps="libgme"
2939 libgsm_decoder_deps="libgsm"
2940 libgsm_encoder_deps="libgsm"
2941 libgsm_ms_decoder_deps="libgsm"
2942 libgsm_ms_encoder_deps="libgsm"
2943 libilbc_decoder_deps="libilbc"
2944 libilbc_encoder_deps="libilbc"
2945 libkvazaar_encoder_deps="libkvazaar"
2946 libmodplug_demuxer_deps="libmodplug"
2947 libmp3lame_encoder_deps="libmp3lame"
2948 libmp3lame_encoder_select="audio_frame_queue mpegaudioheader"
2949 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2950 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2951 libopencore_amrnb_encoder_select="audio_frame_queue"
2952 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2953 libopenh264_decoder_deps="libopenh264"
2954 libopenh264_decoder_select="h264_mp4toannexb_bsf"
2955 libopenh264_encoder_deps="libopenh264"
2956 libopenjpeg_decoder_deps="libopenjpeg"
2957 libopenjpeg_encoder_deps="libopenjpeg"
2958 libopenmpt_demuxer_deps="libopenmpt"
2959 libopus_decoder_deps="libopus"
2960 libopus_encoder_deps="libopus"
2961 libopus_encoder_select="audio_frame_queue"
2962 librsvg_decoder_deps="librsvg"
2963 libshine_encoder_deps="libshine"
2964 libshine_encoder_select="audio_frame_queue"
2965 libspeex_decoder_deps="libspeex"
2966 libspeex_encoder_deps="libspeex"
2967 libspeex_encoder_select="audio_frame_queue"
2968 libtheora_encoder_deps="libtheora"
2969 libtwolame_encoder_deps="libtwolame"
2970 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2971 libvorbis_decoder_deps="libvorbis"
2972 libvorbis_encoder_deps="libvorbis libvorbisenc"
2973 libvorbis_encoder_select="audio_frame_queue"
2974 libvpx_vp8_decoder_deps="libvpx"
2975 libvpx_vp8_encoder_deps="libvpx"
2976 libvpx_vp9_decoder_deps="libvpx"
2977 libvpx_vp9_encoder_deps="libvpx"
2978 libwavpack_encoder_deps="libwavpack"
2979 libwavpack_encoder_select="audio_frame_queue"
2980 libwebp_encoder_deps="libwebp"
2981 libwebp_anim_encoder_deps="libwebp"
2982 libx262_encoder_deps="libx262"
2983 libx264_encoder_deps="libx264"
2984 libx264rgb_encoder_deps="libx264 x264_csp_bgr"
2985 libx264rgb_encoder_select="libx264_encoder"
2986 libx265_encoder_deps="libx265"
2987 libxavs_encoder_deps="libxavs"
2988 libxvid_encoder_deps="libxvid"
2989 libzvbi_teletext_decoder_deps="libzvbi"
2990 videotoolbox_suggest="coreservices"
2991 videotoolbox_deps="corefoundation coremedia corevideo"
2992 videotoolbox_encoder_deps="videotoolbox VTCompressionSessionPrepareToEncodeFrames"
2995 ac3_demuxer_select="ac3_parser"
2996 aiff_muxer_select="iso_media"
2997 asf_demuxer_select="riffdec"
2998 asf_o_demuxer_select="riffdec"
2999 asf_muxer_select="riffenc"
3000 asf_stream_muxer_select="asf_muxer"
3001 avi_demuxer_select="iso_media riffdec exif"
3002 avi_muxer_select="riffenc"
3003 caf_demuxer_select="iso_media riffdec"
3004 caf_muxer_select="iso_media"
3005 dash_muxer_select="mp4_muxer"
3006 dash_demuxer_deps="libxml2"
3007 dirac_demuxer_select="dirac_parser"
3008 dts_demuxer_select="dca_parser"
3009 dtshd_demuxer_select="dca_parser"
3010 dv_demuxer_select="dvprofile"
3011 dv_muxer_select="dvprofile"
3012 dxa_demuxer_select="riffdec"
3013 eac3_demuxer_select="ac3_parser"
3014 f4v_muxer_select="mov_muxer"
3015 fifo_muxer_deps="threads"
3016 flac_demuxer_select="flac_parser"
3017 hds_muxer_select="flv_muxer"
3018 hls_muxer_select="mpegts_muxer"
3019 hls_muxer_suggest="gcrypt openssl"
3020 image2_alias_pix_demuxer_select="image2_demuxer"
3021 image2_brender_pix_demuxer_select="image2_demuxer"
3022 ipod_muxer_select="mov_muxer"
3023 ismv_muxer_select="mov_muxer"
3024 matroska_audio_muxer_select="matroska_muxer"
3025 matroska_demuxer_select="iso_media riffdec"
3026 matroska_demuxer_suggest="bzlib lzo zlib"
3027 matroska_muxer_select="iso_media riffenc"
3028 mmf_muxer_select="riffenc"
3029 mov_demuxer_select="iso_media riffdec"
3030 mov_demuxer_suggest="zlib"
3031 mov_muxer_select="iso_media riffenc rtpenc_chain"
3032 mp3_demuxer_select="mpegaudio_parser"
3033 mp3_muxer_select="mpegaudioheader"
3034 mp4_muxer_select="mov_muxer"
3035 mpegts_demuxer_select="iso_media"
3036 mpegts_muxer_select="adts_muxer latm_muxer"
3037 mpegtsraw_demuxer_select="mpegts_demuxer"
3038 mxf_d10_muxer_select="mxf_muxer"
3039 mxf_opatom_muxer_select="mxf_muxer"
3040 nut_muxer_select="riffenc"
3041 nuv_demuxer_select="riffdec"
3042 oga_muxer_select="ogg_muxer"
3043 ogg_demuxer_select="dirac_parse"
3044 ogv_muxer_select="ogg_muxer"
3045 opus_muxer_select="ogg_muxer"
3046 psp_muxer_select="mov_muxer"
3047 rtp_demuxer_select="sdp_demuxer"
3048 rtp_muxer_select="golomb"
3049 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol srtp"
3050 rtsp_demuxer_select="http_protocol rtpdec"
3051 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
3052 sap_demuxer_select="sdp_demuxer"
3053 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
3054 sdp_demuxer_select="rtpdec"
3055 smoothstreaming_muxer_select="ismv_muxer"
3056 spdif_demuxer_select="adts_header"
3057 spdif_muxer_select="adts_header"
3058 spx_muxer_select="ogg_muxer"
3059 swf_demuxer_suggest="zlib"
3060 tak_demuxer_select="tak_parser"
3061 tg2_muxer_select="mov_muxer"
3062 tgp_muxer_select="mov_muxer"
3063 vobsub_demuxer_select="mpegps_demuxer"
3064 w64_demuxer_select="wav_demuxer"
3065 w64_muxer_select="wav_muxer"
3066 wav_demuxer_select="riffdec"
3067 wav_muxer_select="riffenc"
3068 webm_muxer_select="iso_media riffenc"
3069 webm_dash_manifest_demuxer_select="matroska_demuxer"
3070 wtv_demuxer_select="mpegts_demuxer riffdec"
3071 wtv_muxer_select="mpegts_muxer riffenc"
3072 xmv_demuxer_select="riffdec"
3073 xwma_demuxer_select="riffdec"
3076 alsa_indev_deps="alsa"
3077 alsa_outdev_deps="alsa"
3078 avfoundation_indev_deps="avfoundation corevideo coremedia pthreads"
3079 avfoundation_indev_suggest="coregraphics applicationservices"
3080 avfoundation_indev_extralibs="-framework Foundation"
3081 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
3082 caca_outdev_deps="libcaca"
3083 decklink_deps_any="libdl LoadLibrary"
3084 decklink_indev_deps="decklink threads"
3085 decklink_indev_extralibs="-lstdc++"
3086 decklink_outdev_deps="decklink threads"
3087 decklink_outdev_extralibs="-lstdc++"
3088 libndi_newtek_indev_deps="libndi_newtek"
3089 libndi_newtek_indev_extralibs="-lndi"
3090 libndi_newtek_outdev_deps="libndi_newtek"
3091 libndi_newtek_outdev_extralibs="-lndi"
3092 dshow_indev_deps="IBaseFilter"
3093 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"
3094 fbdev_indev_deps="linux_fb_h"
3095 fbdev_outdev_deps="linux_fb_h"
3096 gdigrab_indev_deps="CreateDIBSection"
3097 gdigrab_indev_extralibs="-lgdi32"
3098 gdigrab_indev_select="bmp_decoder"
3099 iec61883_indev_deps="libiec61883"
3100 jack_indev_deps="libjack"
3101 jack_indev_deps_any="sem_timedwait dispatch_dispatch_h"
3102 kmsgrab_indev_deps="libdrm"
3103 lavfi_indev_deps="avfilter"
3104 libcdio_indev_deps="libcdio"
3105 libdc1394_indev_deps="libdc1394"
3106 openal_indev_deps="openal"
3107 opengl_outdev_deps="opengl"
3108 oss_indev_deps_any="sys_soundcard_h"
3109 oss_outdev_deps_any="sys_soundcard_h"
3110 pulse_indev_deps="libpulse"
3111 pulse_outdev_deps="libpulse"
3112 sdl2_outdev_deps="sdl2"
3113 sndio_indev_deps="sndio"
3114 sndio_outdev_deps="sndio"
3115 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
3116 v4l2_indev_suggest="libv4l2"
3117 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
3118 v4l2_outdev_suggest="libv4l2"
3119 vfwcap_indev_deps="vfw32 vfwcap_defines"
3120 xcbgrab_indev_deps="libxcb"
3121 xcbgrab_indev_suggest="libxcb_shm libxcb_shape libxcb_xfixes"
3122 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
3123 xv_outdev_extralibs="-lXv -lX11 -lXext"
3126 async_protocol_deps="threads"
3127 bluray_protocol_deps="libbluray"
3128 ffrtmpcrypt_protocol_conflict="librtmp_protocol"
3129 ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"
3130 ffrtmpcrypt_protocol_select="tcp_protocol"
3131 ffrtmphttp_protocol_conflict="librtmp_protocol"
3132 ffrtmphttp_protocol_select="http_protocol"
3133 ftp_protocol_select="tcp_protocol"
3134 gopher_protocol_select="network"
3135 http_protocol_select="tcp_protocol"
3136 http_protocol_suggest="zlib"
3137 httpproxy_protocol_select="tcp_protocol"
3138 httpproxy_protocol_suggest="zlib"
3139 https_protocol_select="tls_protocol"
3140 https_protocol_suggest="zlib"
3141 icecast_protocol_select="http_protocol"
3142 librtmp_protocol_deps="librtmp"
3143 librtmpe_protocol_deps="librtmp"
3144 librtmps_protocol_deps="librtmp"
3145 librtmpt_protocol_deps="librtmp"
3146 librtmpte_protocol_deps="librtmp"
3147 libsmbclient_protocol_deps="libsmbclient gplv3"
3148 libssh_protocol_deps="libssh"
3149 libtls_conflict="openssl gnutls"
3150 mmsh_protocol_select="http_protocol"
3151 mmst_protocol_select="network"
3152 rtmp_protocol_conflict="librtmp_protocol"
3153 rtmp_protocol_select="tcp_protocol"
3154 rtmp_protocol_suggest="zlib"
3155 rtmpe_protocol_select="ffrtmpcrypt_protocol"
3156 rtmpe_protocol_suggest="zlib"
3157 rtmps_protocol_conflict="librtmp_protocol"
3158 rtmps_protocol_select="tls_protocol"
3159 rtmps_protocol_suggest="zlib"
3160 rtmpt_protocol_select="ffrtmphttp_protocol"
3161 rtmpt_protocol_suggest="zlib"
3162 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
3163 rtmpte_protocol_suggest="zlib"
3164 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
3165 rtmpts_protocol_suggest="zlib"
3166 rtp_protocol_select="udp_protocol"
3167 schannel_conflict="openssl gnutls libtls"
3168 sctp_protocol_deps="struct_sctp_event_subscribe struct_msghdr_msg_flags"
3169 sctp_protocol_select="network"
3170 securetransport_conflict="openssl gnutls libtls"
3171 srtp_protocol_select="rtp_protocol srtp"
3172 tcp_protocol_select="network"
3173 tls_protocol_deps_any="gnutls openssl schannel securetransport libtls"
3174 tls_protocol_select="tcp_protocol"
3175 udp_protocol_select="network"
3176 udplite_protocol_select="network"
3177 unix_protocol_deps="sys_un_h"
3178 unix_protocol_select="network"
3181 afftfilt_filter_deps="avcodec"
3182 afftfilt_filter_select="fft"
3183 afir_filter_deps="avcodec"
3184 afir_filter_select="fft"
3185 amovie_filter_deps="avcodec avformat"
3186 aresample_filter_deps="swresample"
3187 ass_filter_deps="libass"
3188 atempo_filter_deps="avcodec"
3189 atempo_filter_select="rdft"
3190 azmq_filter_deps="libzmq"
3191 blackframe_filter_deps="gpl"
3192 boxblur_filter_deps="gpl"
3193 bs2b_filter_deps="libbs2b"
3194 colormatrix_filter_deps="gpl"
3195 coreimage_filter_deps="coreimage appkit"
3196 coreimage_filter_extralibs="-framework OpenGL"
3197 coreimagesrc_filter_deps="coreimage appkit"
3198 coreimagesrc_filter_extralibs="-framework OpenGL"
3199 cover_rect_filter_deps="avcodec avformat gpl"
3200 cropdetect_filter_deps="gpl"
3201 deinterlace_qsv_filter_deps="libmfx"
3202 deinterlace_vaapi_filter_deps="vaapi"
3203 delogo_filter_deps="gpl"
3204 deshake_filter_select="pixelutils"
3205 drawtext_filter_deps="libfreetype"
3206 drawtext_filter_suggest="libfontconfig libfribidi"
3207 elbg_filter_deps="avcodec"
3208 eq_filter_deps="gpl"
3209 fftfilt_filter_deps="avcodec"
3210 fftfilt_filter_select="rdft"
3211 find_rect_filter_deps="avcodec avformat gpl"
3212 firequalizer_filter_deps="avcodec"
3213 firequalizer_filter_select="rdft"
3214 flite_filter_deps="libflite"
3215 framerate_filter_select="pixelutils"
3216 frei0r_filter_deps="frei0r libdl"
3217 frei0r_src_filter_deps="frei0r libdl"
3218 fspp_filter_deps="gpl"
3219 geq_filter_deps="gpl"
3220 histeq_filter_deps="gpl"
3221 hqdn3d_filter_deps="gpl"
3222 interlace_filter_deps="gpl"
3223 kerndeint_filter_deps="gpl"
3224 ladspa_filter_deps="ladspa libdl"
3225 lv2_filter_deps="lv2"
3226 mcdeint_filter_deps="avcodec gpl"
3227 movie_filter_deps="avcodec avformat"
3228 mpdecimate_filter_deps="gpl"
3229 mpdecimate_filter_select="pixelutils"
3230 mptestsrc_filter_deps="gpl"
3231 negate_filter_deps="lut_filter"
3232 nnedi_filter_deps="gpl"
3233 ocr_filter_deps="libtesseract"
3234 ocv_filter_deps="libopencv"
3235 overlay_opencl_filter_deps="opencl"
3236 overlay_qsv_filter_deps="libmfx"
3237 overlay_qsv_filter_select="qsvvpp"
3238 owdenoise_filter_deps="gpl"
3239 pan_filter_deps="swresample"
3240 perspective_filter_deps="gpl"
3241 phase_filter_deps="gpl"
3242 pp7_filter_deps="gpl"
3243 pp_filter_deps="gpl postproc"
3244 pullup_filter_deps="gpl"
3245 removelogo_filter_deps="avcodec avformat swscale"
3246 repeatfields_filter_deps="gpl"
3247 resample_filter_deps="avresample"
3248 rubberband_filter_deps="librubberband"
3249 sab_filter_deps="gpl swscale"
3250 scale2ref_filter_deps="swscale"
3251 scale_filter_deps="swscale"
3252 scale_qsv_filter_deps="libmfx"
3253 select_filter_select="pixelutils"
3254 showcqt_filter_deps="avcodec avformat swscale"
3255 showcqt_filter_suggest="libfontconfig libfreetype"
3256 showcqt_filter_select="fft"
3257 showfreqs_filter_deps="avcodec"
3258 showfreqs_filter_select="fft"
3259 showspectrum_filter_deps="avcodec"
3260 showspectrum_filter_select="fft"
3261 showspectrumpic_filter_deps="avcodec"
3262 showspectrumpic_filter_select="fft"
3263 signature_filter_deps="gpl avcodec avformat"
3264 smartblur_filter_deps="gpl swscale"
3265 sofalizer_filter_deps="libmysofa avcodec"
3266 sofalizer_filter_select="fft"
3267 spectrumsynth_filter_deps="avcodec"
3268 spectrumsynth_filter_select="fft"
3269 spp_filter_deps="gpl avcodec"
3270 spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"
3271 stereo3d_filter_deps="gpl"
3272 subtitles_filter_deps="avformat avcodec libass"
3273 super2xsai_filter_deps="gpl"
3274 pixfmts_super2xsai_test_deps="super2xsai_filter"
3275 tinterlace_filter_deps="gpl"
3276 tinterlace_merge_test_deps="tinterlace_filter"
3277 tinterlace_pad_test_deps="tinterlace_filter"
3278 tonemap_filter_deps="const_nan"
3279 unsharp_opencl_filter_deps="opencl"
3280 uspp_filter_deps="gpl avcodec"
3281 vaguedenoiser_filter_deps="gpl"
3282 vidstabdetect_filter_deps="libvidstab"
3283 vidstabtransform_filter_deps="libvidstab"
3284 libvmaf_filter_deps="libvmaf"
3285 zmq_filter_deps="libzmq"
3286 zoompan_filter_deps="swscale"
3287 zscale_filter_deps="libzimg const_nan"
3288 scale_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
3289 vpp_qsv_filter_deps="libmfx"
3290 vpp_qsv_filter_select="qsvvpp"
3293 avio_dir_cmd_deps="avformat avutil"
3294 avio_reading_deps="avformat avcodec avutil"
3295 decode_audio_example_deps="avcodec avutil"
3296 decode_video_example_deps="avcodec avutil"
3297 demuxing_decoding_example_deps="avcodec avformat avutil"
3298 encode_audio_example_deps="avcodec avutil"
3299 encode_video_example_deps="avcodec avutil"
3300 extract_mvs_example_deps="avcodec avformat avutil"
3301 filter_audio_example_deps="avfilter avutil"
3302 filtering_audio_example_deps="avfilter avcodec avformat avutil"
3303 filtering_video_example_deps="avfilter avcodec avformat avutil"
3304 http_multiclient_example_deps="avformat avutil fork"
3305 hw_decode_example_deps="avcodec avformat avutil"
3306 metadata_example_deps="avformat avutil"
3307 muxing_example_deps="avcodec avformat avutil swscale"
3308 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder"
3309 remuxing_example_deps="avcodec avformat avutil"
3310 resampling_audio_example_deps="avutil swresample"
3311 scaling_video_example_deps="avutil swscale"
3312 transcode_aac_example_deps="avcodec avformat swresample"
3313 transcoding_example_deps="avfilter avcodec avformat avutil"
3314 vaapi_encode_example_deps="avcodec avutil"
3317 cpu_init_extralibs="pthreads_extralibs"
3318 cws2fws_extralibs="zlib_extralibs"
3320 # libraries, in linking order
3321 avcodec_deps="avutil"
3322 avcodec_suggest="libm"
3323 avcodec_select="null_bsf"
3324 avdevice_deps="avformat avcodec avutil"
3325 avdevice_suggest="libm"
3326 avfilter_deps="avutil"
3327 avfilter_suggest="libm"
3328 avformat_deps="avcodec avutil"
3329 avformat_suggest="libm network zlib"
3330 avresample_deps="avutil"
3331 avresample_suggest="libm"
3332 avutil_suggest="clock_gettime cuda libm libdrm libmfx opencl user32 vaapi videotoolbox corefoundation corevideo coremedia wincrypt"
3333 postproc_deps="avutil gpl"
3334 postproc_suggest="libm"
3335 swresample_deps="avutil"
3336 swresample_suggest="libm libsoxr"
3337 swscale_deps="avutil"
3338 swscale_suggest="libm"
3340 avcodec_extralibs="pthreads_extralibs iconv_extralibs"
3341 avfilter_extralibs="pthreads_extralibs"
3342 avutil_extralibs="d3d11va_extralibs nanosleep_extralibs pthreads_extralibs vaapi_drm_extralibs vaapi_x11_extralibs vdpau_x11_extralibs"
3345 ffmpeg_deps="avcodec avfilter avformat swresample"
3346 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
3349 ffmpeg_suggest="ole32 psapi shell32"
3350 ffplay_deps="avcodec avformat swscale swresample sdl2"
3351 ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"
3352 ffplay_suggest="shell32"
3353 ffprobe_deps="avcodec avformat"
3354 ffprobe_suggest="shell32"
3355 ffserver_deps="avformat fork sarestart"
3356 ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
3359 podpages_deps="perl"
3360 manpages_deps="perl pod2man"
3361 htmlpages_deps="perl"
3362 htmlpages_deps_any="makeinfo_html texi2html"
3363 txtpages_deps="perl makeinfo"
3364 doc_deps_any="manpages htmlpages podpages txtpages"
3366 # default parameters
3368 logfile="ffbuild/config.log"
3370 # installation paths
3371 prefix_default="/usr/local"
3372 bindir_default='${prefix}/bin'
3373 datadir_default='${prefix}/share/ffmpeg'
3374 docdir_default='${prefix}/share/doc/ffmpeg'
3375 incdir_default='${prefix}/include'
3376 libdir_default='${prefix}/lib'
3377 mandir_default='${prefix}/share/man'
3383 host_cc_default="gcc"
3384 doxygen_default="doxygen"
3386 ln_s_default="ln -s -f"
3388 pkg_config_default=pkg-config
3389 ranlib_default="ranlib"
3390 strip_default="strip"
3391 version_script='--version-script'
3393 x86asmexe_default="nasm"
3394 windres_default="windres"
3396 nvccflags_default="-gencode arch=compute_30,code=sm_30 -O2"
3400 target_os_default=$(tolower $(uname -s))
3401 host_os=$target_os_default
3404 if test "$target_os_default" = aix; then
3405 arch_default=$(uname -p)
3406 strip_default="strip -X32_64"
3408 arch_default=$(uname -m)
3413 # configurable options
3414 enable $PROGRAM_LIST
3415 enable $DOCUMENT_LIST
3416 enable $EXAMPLE_LIST
3417 enable $(filter_out avresample $LIBRARY_LIST)
3423 enable faan faandct faanidct
3424 enable optimizations
3425 enable runtime_cpudetect
3426 enable safe_bitstream_reader
3428 enable swscale_alpha
3429 enable valgrind_backtrace
3431 sws_max_filter_size_default=256
3432 set_default sws_max_filter_size
3434 # internal components are enabled by default
3435 enable $EXTRALIBS_LIST
3437 # Avoid external, non-system, libraries getting enabled by dependency resolution
3438 disable $EXTERNAL_LIBRARY_LIST $HWACCEL_LIBRARY_LIST
3441 SHFLAGS='-shared -Wl,-soname,$$(@F)'
3444 FULLNAME='$(NAME)$(BUILDSUF)'
3445 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
3448 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
3449 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
3450 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
3451 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
3452 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
3453 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
3454 VERSION_SCRIPT_POSTPROCESS_CMD="cat"
3481 host_extralibs='-lm'
3482 host_cflags_filter=echo
3483 host_ldflags_filter=echo
3485 target_path='$(CURDIR)'
3487 # since the object filename is not given with the -MM flag, the compiler
3488 # is only able to print the basename, and we must add the path ourselves
3489 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>/dev/null | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(@F),$(@D)/$(@F)," > $(@:.o=.d)'
3495 if test -f configure; then
3498 source_path=$(cd $(dirname "$0"); pwd)
3499 case "$source_path" in
3500 *[[:blank:]]*) die "Out of tree builds are impossible with whitespace in source path." ;;
3502 test -e "$source_path/config.h" &&
3503 die "Out of tree builds are impossible with config.h in source dir."
3510 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
3516 file=$source_path/$3
3517 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
3520 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
3521 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
3522 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
3523 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
3524 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
3525 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
3526 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
3527 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
3529 find_things_extern(){
3532 file=$source_path/$3
3533 sed -n "s/^[^#]*extern.*$pattern *ff_\([^ ]*\)_$thing;/\1_$thing/p" "$file"
3536 BSF_LIST=$(find_things_extern bsf AVBitStreamFilter libavcodec/bitstream_filters.c)
3537 HWACCEL_LIST=$(find_things_extern hwaccel AVHWAccel libavcodec/hwaccels.h)
3538 PROTOCOL_LIST=$(find_things_extern protocol URLProtocol libavformat/protocols.c)
3540 AVCODEC_COMPONENTS_LIST="
3548 AVDEVICE_COMPONENTS_LIST="
3553 AVFILTER_COMPONENTS_LIST="
3557 AVFORMAT_COMPONENTS_LIST="
3564 $AVCODEC_COMPONENTS_LIST
3565 $AVDEVICE_COMPONENTS_LIST
3566 $AVFILTER_COMPONENTS_LIST
3567 $AVFORMAT_COMPONENTS_LIST
3570 for n in $COMPONENT_LIST; do
3571 v=$(toupper ${n%s})_LIST
3573 eval ${n}_if_any="\$$v"
3576 enable $ARCH_EXT_LIST
3579 echo "Unknown option \"$1\"."
3580 echo "See $0 --help for available options."
3584 print_in_columns() {
3585 cols=$(expr $ncols / 24)
3586 cat | tr ' ' '\n' | sort | pr -r "-$cols" -w $ncols -t
3592 echo $* | sed s/$suffix//g | print_in_columns
3604 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
3605 echo "prob ${prob:-0.5}"
3613 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
3614 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
3623 --extra-ldexeflags=*)
3624 add_ldexeflags $optval
3626 --extra-ldsoflags=*)
3627 add_ldsoflags $optval
3629 --extra-ldlibflags=*)
3630 warn "The --extra-ldlibflags option is only provided for compatibility and will be\n"\
3631 "removed in the future. Use --extra-ldsoflags instead."
3632 add_ldsoflags $optval
3635 add_extralibs $optval
3638 disable $INDEV_LIST $OUTDEV_LIST
3641 debuglevel="$optval"
3644 disable $PROGRAM_LIST
3646 --disable-everything)
3647 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3650 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3651 disable $LIBRARY_LIST $PROGRAM_LIST doc
3654 --enable-random|--disable-random)
3655 action=${opt%%-random}
3656 do_random ${action#--} $COMPONENT_LIST
3658 --enable-random=*|--disable-random=*)
3659 action=${opt%%-random=*}
3660 do_random ${action#--} $optval
3665 --enable-*=*|--disable-*=*)
3666 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
3667 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
3668 eval list=\$$(toupper $thing)_LIST
3669 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
3670 list=$(filter "$name" $list)
3671 [ "$list" = "" ] && warn "Option $opt did not match anything"
3674 --enable-yasm|--disable-yasm)
3675 warn "The ${opt} option is only provided for compatibility and will be\n"\
3676 "removed in the future. Use --enable-x86asm / --disable-x86asm instead."
3677 test $opt = --enable-yasm && x86asm=yes || x86asm=no
3680 warn "The --yasmexe option is only provided for compatibility and will be\n"\
3681 "removed in the future. Use --x86asmexe instead."
3684 --enable-?*|--disable-?*)
3685 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
3686 if is_in $option $COMPONENT_LIST; then
3687 test $action = disable && action=unset
3688 eval $action \$$(toupper ${option%s})_LIST
3689 elif is_in $option $CMDLINE_SELECT; then
3696 NAME="${opt#--list-}"
3697 is_in $NAME $COMPONENT_LIST || die_unknown $opt
3699 eval show_list $NAME \$$(toupper $NAME)_LIST
3701 --help|-h) show_help
3703 --quiet|-q) quiet=yes
3705 --fatal-warnings) enable fatal_warnings
3708 libfuzzer_path="$optval"
3711 optname="${opt%%=*}"
3712 optname="${optname#--}"
3713 optname=$(echo "$optname" | sed 's/-/_/g')
3714 if is_in $optname $CMDLINE_SET; then
3715 eval $optname='$optval'
3716 elif is_in $optname $CMDLINE_APPEND; then
3717 append $optname "$optval"
3729 if disabled autodetect; then
3731 # Unless iconv is explicitely disabled by the user, we still want to probe
3732 # for the iconv from the libc.
3733 disabled iconv || enable libc_iconv
3735 disable_weak $EXTERNAL_AUTODETECT_LIBRARY_LIST
3736 disable_weak $HWACCEL_AUTODETECT_LIBRARY_LIST
3738 # Mark specifically enabled, but normally autodetected libraries as requested.
3739 for lib in $AUTODETECT_LIBS; do
3740 enabled $lib && request $lib
3742 #TODO: switch to $AUTODETECT_LIBS when $THREADS_LIST is supported the same way
3743 enable_weak $EXTERNAL_AUTODETECT_LIBRARY_LIST
3744 enable_weak $HWACCEL_AUTODETECT_LIBRARY_LIST
3746 disabled logging && logfile=/dev/null
3748 # command line configuration sanity checks
3750 # we need to build at least one lib type
3751 if ! enabled_any static shared; then
3753 At least one library type must be built.
3754 Specify --enable-static to build the static libraries or --enable-shared to
3755 build the shared libraries as well. To only build the shared libraries specify
3756 --disable-static in addition to --enable-shared.
3761 die_license_disabled() {
3762 enabled $1 || { enabled $v && die "$v is $1 and --enable-$1 is not specified."; }
3765 die_license_disabled_gpl() {
3766 enabled $1 || { enabled $v && die "$v is incompatible with the gpl and --enable-$1 is not specified."; }
3769 map "die_license_disabled gpl" $EXTERNAL_LIBRARY_GPL_LIST $EXTERNAL_LIBRARY_GPLV3_LIST
3770 map "die_license_disabled version3" $EXTERNAL_LIBRARY_VERSION3_LIST $EXTERNAL_LIBRARY_GPLV3_LIST
3772 enabled gpl && map "die_license_disabled_gpl nonfree" $EXTERNAL_LIBRARY_NONFREE_LIST
3773 map "die_license_disabled nonfree" $HWACCEL_LIBRARY_NONFREE_LIST
3775 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3777 enabled_all gnutls openssl &&
3778 die "GnuTLS and OpenSSL must not be enabled at the same time."
3780 # Disable all the library-specific components if the library itself
3781 # is disabled, see AVCODEC_LIST and following _LIST variables.
3783 disable_components(){
3784 disabled ${1} && disable $(
3785 eval components="\$$(toupper ${1})_COMPONENTS"
3786 map 'eval echo \${$(toupper ${v%s})_LIST}' $components
3790 map 'disable_components $v' $LIBRARY_LIST
3792 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
3795 test -n "$valgrind" && toolchain="valgrind-memcheck"
3797 enabled ossfuzz && {
3798 add_cflags -fsanitize=address,undefined -fsanitize-coverage=trace-pc-guard,trace-cmp -fno-omit-frame-pointer
3799 add_ldflags -fsanitize=address,undefined -fsanitize-coverage=trace-pc-guard,trace-cmp
3802 case "$toolchain" in
3804 cc_default="${toolchain%-asan}"
3805 add_cflags -fsanitize=address
3806 add_ldflags -fsanitize=address
3809 cc_default="${toolchain%-msan}"
3810 add_cflags -fsanitize=memory -fsanitize-memory-track-origins
3811 add_ldflags -fsanitize=memory
3814 cc_default="${toolchain%-tsan}"
3815 add_cflags -fsanitize=thread -fPIE
3816 add_ldflags -fsanitize=thread -pie
3817 case "$toolchain" in
3825 cc_default="${toolchain%-usan}"
3826 add_cflags -fsanitize=undefined
3827 add_ldflags -fsanitize=undefined
3830 target_exec_default="valgrind"
3831 case "$toolchain" in
3833 target_exec_args="--tool=massif --alloc-fn=av_malloc --alloc-fn=av_mallocz --alloc-fn=av_calloc --alloc-fn=av_fast_padded_malloc --alloc-fn=av_fast_malloc --alloc-fn=av_realloc_f --alloc-fn=av_fast_realloc --alloc-fn=av_realloc"
3836 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
3841 # Check whether the current MSVC version needs the C99 converter.
3842 # From MSVC 2013 (compiler major version 18) onwards, it does actually
3843 # support enough of C99 to build ffmpeg. Default to the new
3844 # behaviour if the regexp was unable to match anything, since this
3845 # successfully parses the version number of existing supported
3846 # versions that require the converter (MSVC 2010 and 2012).
3847 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
3848 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
3852 cc_default="c99wrap cl"
3853 cxx_default="c99wrap cl"
3855 ld_default="$source_path/compat/windows/mslink"
3856 nm_default="dumpbin -symbols"
3860 as_default="armasm64"
3866 target_os_default="win32"
3867 # Use a relative path for TMPDIR. This makes sure all the
3868 # ffconf temp files are written with a relative path, avoiding
3869 # issues with msys/win32 path conversion for MSVC parameters
3870 # such as -Fo<file> or -out:<file>.
3876 nm_default="dumpbin -symbols"
3878 target_os_default="win32"
3882 add_cflags -fprofile-arcs -ftest-coverage
3883 add_ldflags -fprofile-arcs -ftest-coverage
3886 add_cflags -fprofile-arcs -ftest-coverage
3887 add_ldflags --coverage
3890 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
3891 add_cflags -fno-strict-overflow -fstack-protector-all
3892 add_ldflags -Wl,-z,relro -Wl,-z,now
3894 add_ldexeflags -fPIE -pie
3897 die "Unknown toolchain $toolchain"
3901 if test -n "$cross_prefix"; then
3902 test -n "$arch" && test -n "$target_os" ||
3903 die "Must specify target arch (--arch) and OS (--target-os) when cross-compiling"
3904 enable cross_compile
3907 ar_default="${cross_prefix}${ar_default}"
3908 cc_default="${cross_prefix}${cc_default}"
3909 cxx_default="${cross_prefix}${cxx_default}"
3910 nm_default="${cross_prefix}${nm_default}"
3911 pkg_config_default="${cross_prefix}${pkg_config_default}"
3912 if ${cross_prefix}${ranlib_default} 2>&1 | grep -q "\-D "; then
3913 ranlib_default="${cross_prefix}${ranlib_default} -D"
3915 ranlib_default="${cross_prefix}${ranlib_default}"
3917 strip_default="${cross_prefix}${strip_default}"
3918 windres_default="${cross_prefix}${windres_default}"
3920 sysinclude_default="${sysroot}/usr/include"
3922 set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \
3923 target_exec target_os x86asmexe nvcc
3924 enabled cross_compile || host_cc_default=$cc
3927 pkg_config_fail_message=""
3928 if ! $pkg_config --version >/dev/null 2>&1; then
3929 warn "$pkg_config not found, library detection may fail."
3931 elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then
3932 pkg_config_fail_message="
3933 Note: When building a static binary, add --pkg-config-flags=\"--static\"."
3936 if test $doxygen != $doxygen_default && \
3937 ! $doxygen --version >/dev/null 2>&1; then
3938 warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."
3943 mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
3947 EXESUF=$(exesuf $target_os)
3948 HOSTEXESUF=$(exesuf $host_os)
3950 # set temporary file name
3951 : ${TMPDIR:=$TEMPDIR}
3955 if [ -n "$tempprefix" ] ; then
3957 tmpname="$tempprefix.${HOSTNAME}.${UID}"
3961 elif ! check_cmd mktemp -u XXXXXX; then
3962 # simple replacement for missing mktemp
3963 # NOT SAFE FOR GENERAL USE
3965 tmpname="${2%%XXX*}.${HOSTNAME}.${UID}.$$"
3971 FFTMPDIR=$(mktemp -d "${TMPDIR}/ffconf.XXXXXXXX" 2> /dev/null) ||
3972 die "Unable to create temporary directory in $TMPDIR."
3975 tmp="${FFTMPDIR}/test"$2
3976 (set -C; exec > $tmp) 2> /dev/null ||
3977 die "Unable to create temporary file in $FFTMPDIR."
3981 trap 'rm -rf -- "$FFTMPDIR"' EXIT
3987 tmpfile TMPE $EXESUF
3999 # make sure we can execute files in $TMPDIR
4000 cat > $TMPSH 2>> $logfile <<EOF
4003 chmod +x $TMPSH >> $logfile 2>&1
4004 if ! $TMPSH >> $logfile 2>&1; then
4006 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
4007 variable to another directory and make sure that it is not mounted noexec.
4009 die "Sanity test failed."
4015 # Filter out MSVC cl.exe options from cflags that shouldn't
4016 # be passed to gas-preprocessor
4026 -Wno-switch) echo -Wno-switch-enum ;;
4027 -Wno-format-zero-length) ;;
4028 -Wdisabled-optimization) ;;
4029 -Wno-pointer-sign) echo -Wno-other ;;
4035 msvc_common_flags(){
4038 # In addition to specifying certain flags under the compiler
4039 # specific filters, they must be specified here as well or else the
4040 # generic catch all at the bottom will print the original flag.
4045 -fomit-frame-pointer) ;;
4049 -fno-signed-zeros) ;;
4053 -lz) echo zlib.lib ;;
4054 -lx264) echo libx264.lib ;;
4056 -l*) echo ${flag#-l}.lib ;;
4057 -LARGEADDRESSAWARE) echo $flag ;;
4058 -L*) echo -libpath:${flag#-L} ;;
4065 msvc_common_flags "$@"
4068 -Wall) echo -W3 -wd4018 -wd4146 -wd4244 -wd4305 \
4070 -Wextra) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
4071 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
4072 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
4074 -wd4273 -wd4554 -wd4701 -wd4703 ;;
4080 msvc_common_flags "$@"
4083 # Despite what Intel's documentation says -Wall, which is supported
4084 # on Windows, does enable remarks so disable them here.
4085 -Wall) echo $flag -Qdiag-disable:remark ;;
4086 -std=c99) echo -Qstd=c99 ;;
4105 case "${flag#*=}" in
4106 native) echo -xtarget=native ;;
4107 v9|niagara) echo -xarch=sparc ;;
4108 ultrasparc) echo -xarch=sparcvis ;;
4109 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
4110 i586|pentium) echo -xchip=pentium ;;
4111 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
4112 pentium3*|c3-2) echo -xtarget=pentium3 ;;
4113 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
4114 pentium4*) echo -xtarget=pentium4 ;;
4115 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
4116 *-sse3) echo -xarch=sse3 ;;
4117 core2) echo -xarch=ssse3 -xchip=core2 ;;
4118 bonnell) echo -xarch=ssse3 ;;
4119 corei7|nehalem) echo -xtarget=nehalem ;;
4120 westmere) echo -xtarget=westmere ;;
4121 silvermont) echo -xarch=sse4_2 ;;
4122 corei7-avx|sandybridge) echo -xtarget=sandybridge ;;
4123 core-avx*|ivybridge|haswell|broadwell|skylake*|knl)
4125 amdfam10|barcelona) echo -xtarget=barcelona ;;
4126 btver1) echo -xarch=amdsse4a ;;
4127 btver2|bdver*|znver*) echo -xarch=avx ;;
4128 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
4129 k8|opteron|athlon64|athlon-fx)
4130 echo -xarch=sse2a ;;
4131 athlon*) echo -xarch=pentium_proa ;;
4134 -std=c99) echo -xc99 ;;
4135 -fomit-frame-pointer) echo -xregs=frameptr ;;
4136 -fPIC) echo -KPIC -xcode=pic32 ;;
4137 -W*,*) echo $flag ;;
4138 -f*-*|-W*|-mimpure-text) ;;
4150 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
4151 unset _ld_o _ldflags _ld_lib _ld_path
4152 unset _depflags _DEPCMD _DEPFLAGS
4155 if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
4156 true # no-op to avoid reading stdin in following checks
4157 elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
4159 gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')
4160 _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"
4161 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4164 elif $_cc -v 2>&1 | grep -qi ^gcc; then
4166 gcc_version=$($_cc --version | head -n1)
4167 gcc_basever=$($_cc -dumpversion)
4168 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
4169 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
4170 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
4171 case $gcc_basever in
4174 *) _depflags='-MMD -MF $(@:.o=.d) -MT $@' ;;
4176 if [ "$first" = true ]; then
4177 case $gcc_basever in
4179 warn "gcc 4.2 is outdated and may miscompile FFmpeg. Please use a newer compiler." ;;
4184 elif $_cc --version 2>/dev/null | grep -q ^icc; then
4186 _ident=$($_cc --version | head -n1)
4191 _flags_filter=icc_flags
4192 elif $_cc -v 2>&1 | grep -q xlc; then
4194 _ident=$($_cc -qversion 2>/dev/null | head -n1)
4196 _cflags_size='-O5 -qcompact'
4197 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
4198 test -d "$sysroot" || die "No valid sysroot specified."
4200 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
4201 armcc_conf="$PWD/armcc.conf"
4202 $_cc --arm_linux_configure \
4203 --arm_linux_config_file="$armcc_conf" \
4204 --configure_sysroot="$sysroot" \
4205 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
4206 die "Error creating armcc configuration file."
4207 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
4208 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
4209 as_default="${cross_prefix}gcc"
4213 elif $_cc -v 2>&1 | grep -q clang; then
4215 _ident=$($_cc --version 2>/dev/null | head -n1)
4216 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4219 elif $_cc -V 2>&1 | grep -q Sun; then
4221 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
4222 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
4223 _DEPFLAGS='-xM1 -xc99'
4226 _cflags_size='-O5 -xspace'
4227 _flags_filter=suncc_flags
4228 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
4230 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
4231 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4234 _flags_filter='filter_out -Wdisabled-optimization'
4235 elif $_cc -v 2>&1 | grep -q Open64; then
4237 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
4238 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4241 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
4242 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
4244 _ident=$($_cc | head -n1)
4245 # 4509: "This form of conditional instruction is deprecated"
4246 _flags="-nologo -ignore 4509"
4247 _flags_filter=armasm_flags
4248 elif $_cc 2>&1 | grep -q Intel; then
4250 _ident=$($_cc 2>&1 | head -n1)
4251 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
4252 # Not only is O3 broken on 13.x+ but it is slower on all previous
4253 # versions (tested) as well.
4255 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
4256 if $_cc 2>&1 | grep -q Linker; then
4263 _flags_filter=icl_flags
4265 _ld_path='-libpath:'
4266 # -Qdiag-error to make icl error when seeing certain unknown arguments
4267 _flags='-nologo -Qdiag-error:4044,10157'
4268 # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency
4269 # with MSVC which enables it by default.
4270 _cflags='-Qms0 -Qvec- -Qsimd- -GS -fp:precise'
4272 elif $_cc -? 2>/dev/null | grep -q 'LLVM.*Linker'; then
4273 # lld can emulate multiple different linkers; in ms link.exe mode,
4274 # the -? parameter gives the help output which contains an identifyable
4275 # string, while it gives an error in other modes.
4277 # The link.exe mode doesn't have a switch for getting the version,
4278 # but we can force it back to gnu mode and get the version from there.
4279 _ident=$($_cc -flavor gnu --version 2>/dev/null)
4281 _flags_filter=msvc_flags
4283 _ld_path='-libpath:'
4284 elif $_cc -nologo- 2>&1 | grep -q Microsoft; then
4286 _ident=$($_cc 2>&1 | head -n1)
4287 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
4288 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
4292 if $_cc -nologo- 2>&1 | grep -q Linker; then
4299 _flags_filter=msvc_flags
4301 _ld_path='-libpath:'
4304 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
4306 _ident=$($_cc --version | head -n1)
4310 _flags_filter=cparser_flags
4313 eval ${pfx}_type=\$_type
4314 eval ${pfx}_ident=\$_ident
4318 eval ${1}_C=\${_cc_c-\${${1}_C}}
4319 eval ${1}_E=\${_cc_e-\${${1}_E}}
4320 eval ${1}_O=\${_cc_o-\${${1}_O}}
4322 if [ -n "$_depflags" ]; then
4323 eval ${1}_DEPFLAGS=\$_depflags
4325 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
4326 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
4327 eval DEP${1}FLAGS=\$_flags
4331 probe_cc cc "$cc" "true"
4332 cflags_filter=$_flags_filter
4333 cflags_speed=$_cflags_speed
4334 cflags_size=$_cflags_size
4335 cflags_noopt=$_cflags_noopt
4336 add_cflags $_flags $_cflags
4337 cc_ldflags=$_ldflags
4341 probe_cc hostcc "$host_cc"
4342 host_cflags_filter=$_flags_filter
4343 host_cflags_speed=$_cflags_speed
4344 add_host_cflags $_flags $_cflags
4347 test -n "$cc_type" && enable $cc_type ||
4348 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
4350 : ${as_default:=$cc}
4351 : ${objcc_default:=$cc}
4352 : ${dep_cc_default:=$cc}
4353 : ${ld_default:=$cc}
4354 : ${host_ld_default:=$host_cc}
4355 set_default ar as objcc dep_cc ld ln_s host_ld windres
4358 asflags_filter=$_flags_filter
4359 add_asflags $_flags $_cflags
4362 probe_cc objcc "$objcc"
4363 objcflags_filter=$_flags_filter
4364 add_objcflags $_flags $_cflags
4368 ldflags_filter=$_flags_filter
4369 add_ldflags $_flags $_ldflags
4370 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
4372 LD_LIB=${_ld_lib-$LD_LIB}
4373 LD_PATH=${_ld_path-$LD_PATH}
4375 probe_cc hostld "$host_ld"
4376 host_ldflags_filter=$_flags_filter
4377 add_host_ldflags $_flags $_ldflags
4378 HOSTLD_O=${_ld_o-$HOSTLD_O}
4380 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
4381 probe_cc depcc "$dep_cc"
4382 CCDEP=${_DEPCMD:-$DEPCMD}
4383 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
4387 if $ar 2>&1 | grep -q Microsoft; then
4390 elif $ar 2>&1 | grep -q "\[D\] "; then
4398 add_cflags $extra_cflags
4399 add_cxxflags $extra_cxxflags
4400 add_objcflags $extra_objcflags
4401 add_asflags $extra_cflags
4403 if test -n "$sysroot"; then
4406 add_cppflags --sysroot="$sysroot"
4407 add_ldflags --sysroot="$sysroot"
4412 if test "$cpu" = host; then
4413 enabled cross_compile &&
4414 die "--cpu=host makes no sense when cross-compiling."
4419 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
4421 s/.*$1=\\([^ ]*\\).*/\\1/
4426 cpu=$(check_native -march || check_native -mcpu)
4430 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
4431 sed -n "/cc1.*-target-cpu /{
4432 s/.*-target-cpu \\([^ ]*\\).*/\\1/
4437 cpu=$(check_native -march)
4441 test "${cpu:-host}" = host &&
4442 die "--cpu=host not supported with compiler $cc"
4445 # Deal with common $arch aliases
4469 "Power Macintosh"|ppc*|powerpc*)
4484 i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
4489 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
4492 # Add processor-specific flags
4493 if enabled aarch64; then
4497 cpuflags="-march=$cpu"
4500 cpuflags="-mcpu=$cpu"
4504 elif enabled alpha; then
4506 cpuflags="-mcpu=$cpu"
4508 elif enabled arm; then
4511 check_cpp_condition stddef.h \
4512 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
4517 if check_arm_arch 4; then echo armv4
4518 elif check_arm_arch 4T; then echo armv4t
4519 elif check_arm_arch 5; then echo armv5
4520 elif check_arm_arch 5E; then echo armv5e
4521 elif check_arm_arch 5T; then echo armv5t
4522 elif check_arm_arch 5TE; then echo armv5te
4523 elif check_arm_arch 5TEJ; then echo armv5te
4524 elif check_arm_arch 6; then echo armv6
4525 elif check_arm_arch 6J; then echo armv6j
4526 elif check_arm_arch 6K; then echo armv6k
4527 elif check_arm_arch 6Z; then echo armv6z
4528 elif check_arm_arch 6KZ; then echo armv6zk
4529 elif check_arm_arch 6ZK; then echo armv6zk
4530 elif check_arm_arch 6T2; then echo armv6t2
4531 elif check_arm_arch 7; then echo armv7
4532 elif check_arm_arch 7A 7_A; then echo armv7-a
4533 elif check_arm_arch 7S; then echo armv7-a
4534 elif check_arm_arch 7R 7_R; then echo armv7-r
4535 elif check_arm_arch 7M 7_M; then echo armv7-m
4536 elif check_arm_arch 7EM 7E_M; then echo armv7-m
4537 elif check_arm_arch 8A 8_A; then echo armv8-a
4541 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
4545 cpuflags="-march=$cpu"
4546 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
4549 cpuflags="-mcpu=$cpu"
4551 cortex-a*) subarch=armv7a ;;
4552 cortex-r*) subarch=armv7r ;;
4553 cortex-m*) enable thumb; subarch=armv7m ;;
4554 arm11*) subarch=armv6 ;;
4555 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
4556 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
4557 *) subarch=$(probe_arm_arch) ;;
4563 armv5t*) enable fast_clz ;;
4566 disabled fast_unaligned || enable fast_unaligned
4570 elif enabled avr32; then
4575 cpuflags="-mpart=$cpu"
4579 cpuflags="-march=$cpu"
4583 cpuflags="-mcpu=$cpu"
4587 cpuflags="-march=$cpu"
4591 elif enabled bfin; then
4593 cpuflags="-mcpu=$cpu"
4595 elif enabled mips; then
4597 cpuflags="-march=$cpu"
4599 if [ "$cpu" != "generic" ]; then
4609 24kc|24kf*|24kec|34kc|1004kc|24kef*|34kf*|1004kf*|74kc|74kf)
4620 enable local_aligned
4621 enable simd_align_16
4625 enable fast_unaligned
4626 disable aligned_stack
4632 cpuflags="-march=loongson3a -mhard-float -fno-expensive-optimizations"
4635 cpuflags="-march=loongson2e -mhard-float -fno-expensive-optimizations"
4638 cpuflags="-march=loongson2f -mhard-float -fno-expensive-optimizations"
4643 # Unknown CPU. Disable everything.
4644 warn "unknown CPU. Disabling all MIPS optimizations."
4667 24kef*|34kf*|1004kf*)
4675 check_cflags "-mtune=p5600" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops"
4679 check_cflags "-mtune=i6400 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64"
4683 check_cflags "-mtune=p6600 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64"
4687 # We do not disable anything. Is up to the user to disable the unwanted features.
4688 warn 'generic cpu selected'
4691 elif enabled ppc; then
4695 case $(tolower $cpu) in
4696 601|ppc601|powerpc601)
4697 cpuflags="-mcpu=601"
4700 603*|ppc603*|powerpc603*)
4701 cpuflags="-mcpu=603"
4704 604*|ppc604*|powerpc604*)
4705 cpuflags="-mcpu=604"
4708 g3|75*|ppc75*|powerpc75*)
4709 cpuflags="-mcpu=750"
4712 g4|745*|ppc745*|powerpc745*)
4713 cpuflags="-mcpu=7450"
4716 74*|ppc74*|powerpc74*)
4717 cpuflags="-mcpu=7400"
4720 g5|970|ppc970|powerpc970)
4721 cpuflags="-mcpu=970"
4725 cpuflags="-mcpu=$cpu"
4729 cpuflags="-mcpu=$cpu"
4732 cpuflags="-mcpu=cell"
4737 cpuflags="-mcpu=e500mc"
4741 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
4746 cpuflags="-mcpu=8540 -mhard-float"
4752 elif enabled sparc; then
4755 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
4756 cpuflags="-mcpu=$cpu"
4758 ultrasparc*|niagara[234])
4759 cpuflags="-mcpu=$cpu"
4763 elif enabled x86; then
4767 cpuflags="-march=$cpu"
4771 # targets that do NOT support nopl and conditional mov (cmov)
4772 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
4773 cpuflags="-march=$cpu"
4776 # targets that do support nopl and conditional mov (cmov)
4777 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\
4778 |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|skylake*|knl\
4779 |amdfam10|barcelona|b[dt]ver*|znver*)
4780 cpuflags="-march=$cpu"
4784 # targets that do support conditional mov but on which it's slow
4785 pentium4|pentium4m|prescott|nocona)
4786 cpuflags="-march=$cpu"
4794 if [ "$cpu" != generic ]; then
4795 add_cflags $cpuflags
4796 add_asflags $cpuflags
4797 test "$cc_type" = "$ld_type" && add_ldflags $cpuflags
4800 # compiler sanity check
4802 int main(void){ return 0; }
4804 if test "$?" != 0; then
4805 echo "$cc is unable to create an executable file."
4806 if test -z "$cross_prefix" && ! enabled cross_compile ; then
4807 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
4808 echo "Only do this if you know what cross compiling means."
4810 die "C compiler test failed."
4813 add_cppflags -D_ISOC99_SOURCE
4814 add_cxxflags -D__STDC_CONSTANT_MACROS
4815 check_cxxflags -std=c++11 || check_cxxflags -std=c++0x
4817 # some compilers silently accept -std=c11, so we also need to check that the
4818 # version macro is defined properly
4819 test_cflags_cc -std=c11 ctype.h "__STDC_VERSION__ >= 201112L" &&
4820 add_cflags -std=c11 ||
4821 check_cflags -std=c99
4823 check_cppflags -D_FILE_OFFSET_BITS=64
4824 check_cppflags -D_LARGEFILE_SOURCE
4826 add_host_cppflags -D_ISOC99_SOURCE
4827 check_host_cflags -std=c99
4828 check_host_cflags -Wall
4829 check_host_cflags $host_cflags_speed
4835 check_code cc "" "int test[2*($expr) - 1]" &&
4836 subarch=$arch64 || subarch=$arch32
4842 enabled shared && enable_weak pic
4845 check_64bit mips mips64 '_MIPS_SIM > 1'
4846 enabled shared && enable_weak pic
4849 check_64bit parisc parisc64 'sizeof(void *) > 4'
4850 enabled shared && enable_weak pic
4853 check_64bit ppc ppc64 'sizeof(void *) > 4'
4854 enabled shared && enable_weak pic
4857 check_64bit s390 s390x 'sizeof(void *) > 4'
4858 enabled shared && enable_weak pic
4861 check_64bit sparc sparc64 'sizeof(void *) > 4'
4862 enabled shared && enable_weak pic
4865 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
4866 # Treat x32 as x64 for now. Note it also needs pic if shared
4867 test "$subarch" = "x86_32" && check_cpp_condition stddef.h 'defined(__x86_64__)' &&
4868 subarch=x86_64 && enable x86_64 && disable x86_32
4869 if enabled x86_64; then
4870 enabled shared && enable_weak pic
4880 add_cppflags '-I\$(SRC_PATH)/compat/aix'
4881 enabled shared && add_ldflags -Wl,-brtl
4882 arflags='-Xany -r -c'
4886 enable section_data_rel_ro
4887 SLIB_INSTALL_NAME='$(SLIBNAME)'
4889 SHFLAGS='-shared -Wl,-soname,$(SLIBNAME)'
4892 prefix_default="/boot/common"
4893 network_extralibs="-lnetwork"
4897 SHFLAGS='-shared -Wl,-h,$$(@F)'
4898 enabled x86 && append SHFLAGS -mimpure-text
4899 network_extralibs="-lsocket -lnsl"
4900 add_cppflags -D__EXTENSIONS__
4901 # When using suncc to build, the Solaris linker will mark
4902 # an executable with each instruction set encountered by
4903 # the Solaris assembler. As our libraries contain their own
4904 # guards for processor-specific code, instead suppress
4905 # generation of the HWCAPS ELF section on Solaris x86 only.
4906 enabled_all suncc x86 &&
4907 echo "hwcap_1 = OVERRIDE;" > mapfile &&
4908 add_ldflags -Wl,-M,mapfile
4909 nm_default='nm -P -g'
4911 VERSION_SCRIPT_POSTPROCESS_CMD='perl $(SRC_PATH)/compat/solaris/make_sunver.pl - $(OBJS)'
4915 oss_indev_extralibs="-lossaudio"
4916 oss_outdev_extralibs="-lossaudio"
4917 enabled gcc || check_ldflags -Wl,-zmuldefs
4922 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
4924 oss_indev_extralibs="-lossaudio"
4925 oss_outdev_extralibs="-lossaudio"
4933 add_extralibs -lpoll -lgnugetopt
4937 enabled ppc && add_asflags -force_cpusubtype_ALL
4938 install_name_dir_default='$(SHLIBDIR)'
4939 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(INSTALL_NAME_DIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
4940 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
4942 add_ldflags -Wl,-dynamic,-search_paths_first
4943 check_cflags -Werror=partial-availability
4945 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
4946 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
4947 enabled x86_64 && objformat="macho64" || objformat="macho32"
4948 enabled_any pic shared x86_64 ||
4949 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
4950 check_header dispatch/dispatch.h &&
4951 add_cppflags '-I\$(SRC_PATH)/compat/dispatch_semaphore'
4952 if test -n "$sysroot"; then
4953 is_in -isysroot $cc $CPPFLAGS $CFLAGS || check_cppflags -isysroot $sysroot
4954 is_in -isysroot $ld $LDFLAGS || check_ldflags -isysroot $sysroot
4956 version_script='-exported_symbols_list'
4957 VERSION_SCRIPT_POSTPROCESS_CMD='tr " " "\n" | sed -n /global:/,/local:/p | grep ";" | tr ";" "\n" | sed -E "s/(.+)/_\1/g" | sed -E "s/(.+[^*])$$$$/\1*/"'
4960 die "Native MSYS builds are discouraged, please use the MINGW environment."
4964 if enabled shared; then
4965 # Cannot build both shared and static libs when using dllimport.
4968 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
4969 enabled x86_32 && check_ldflags -Wl,--large-address-aware
4970 shlibdir_default="$bindir_default"
4973 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4974 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4975 SLIB_EXTRA_CMD='cp $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4976 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4978 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4979 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4980 SLIB_CREATE_DEF_CMD='EXTERN_PREFIX="$(EXTERN_PREFIX)" AR="$(AR_CMD)" NM="$(NM_CMD)" $(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
4981 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--disable-auto-image-base $$(@:$(SLIBSUF)=.def)'
4982 enabled x86_64 && objformat="win64" || objformat="win32"
4985 check_ldflags -Wl,--nxcompat,--dynamicbase
4986 # Lets work around some stupidity in binutils.
4987 # ld will strip relocations from executables even though we need them
4988 # for dynamicbase (ASLR). Using -pie does retain the reloc section
4989 # however ld then forgets what the entry point should be (oops) so we
4990 # have to manually (re)set it.
4991 if enabled x86_32; then
4992 disabled debug && add_ldexeflags -Wl,--pic-executable,-e,_mainCRTStartup
4993 elif enabled x86_64; then
4994 disabled debug && add_ldexeflags -Wl,--pic-executable,-e,mainCRTStartup
4995 check_ldflags -Wl,--high-entropy-va # binutils 2.25
4996 # Set image base >4GB for extra entropy with HEASLR
4997 add_ldexeflags -Wl,--image-base,0x140000000
4998 append SHFLAGS -Wl,--image-base,0x180000000
5003 if enabled shared; then
5004 # Link to the import library instead of the normal static library
5007 # Cannot build both shared and static libs with MSVC or icl.
5010 enabled x86_32 && check_ldflags -LARGEADDRESSAWARE
5011 shlibdir_default="$bindir_default"
5014 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
5015 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
5016 SLIB_CREATE_DEF_CMD='EXTERN_PREFIX="$(EXTERN_PREFIX)" $(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
5017 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
5019 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
5020 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
5021 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
5022 enabled x86_64 && objformat="win64" || objformat="win32"
5028 shlibdir_default="$bindir_default"
5031 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
5032 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
5033 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
5035 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
5036 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
5037 enabled x86_64 && objformat="win64" || objformat="win32"
5039 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
5040 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
5042 *-dos|freedos|opendos)
5043 network_extralibs="-lsocket"
5046 add_cppflags -U__STRICT_ANSI__
5049 enable section_data_rel_ro
5050 enabled_any arm aarch64 && enable_weak linux_perf
5054 ranlib="echo ignoring ranlib"
5060 add_cppflags -D_GNU_SOURCE
5061 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zhigh-mem -Zmap
5062 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
5066 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
5067 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(FULLNAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
5068 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(FULLNAME).def; \
5069 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(FULLNAME).def; \
5070 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(FULLNAME).def; \
5071 echo EXPORTS >> $(SUBDIR)$(FULLNAME).def; \
5072 emxexp $(OBJS) >> $(SUBDIR)$(FULLNAME).def'
5073 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(FULLNAME)_dll.a $(SUBDIR)$(FULLNAME).def; \
5074 emximp -o $(SUBDIR)$(LIBPREF)$(FULLNAME)_dll.lib $(SUBDIR)$(FULLNAME).def;'
5075 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
5077 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(FULLNAME)_dll.a $(LIBPREF)$(FULLNAME)_dll.lib'
5079 enable_weak os2threads
5082 add_cppflags -D_BSD_SOURCE
5087 add_cppflags -D_QNX_SOURCE
5088 network_extralibs="-lsocket"
5093 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
5094 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
5095 add_ldflags -Wl,--target1-abs,--no-undefined \
5096 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
5097 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
5098 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
5099 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
5100 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
5107 die "Unknown OS '$target_os'."
5111 # test if creating links works
5112 link_dest=$(mktemp -u $TMPDIR/dest_XXXXXXXX)
5113 link_name=$(mktemp -u $TMPDIR/name_XXXXXXXX)
5115 $ln_s "$link_dest" "$link_name"
5116 touch "$link_dest/test_file"
5117 if [ "$source_path" != "." ] && ([ ! -d src ] || [ -L src ]) && [ -e "$link_name/test_file" ]; then
5118 # create link to source path
5119 [ -e src ] && rm src
5120 $ln_s "$source_path" src
5123 # creating directory links doesn't work
5124 # fall back to using the full source path
5125 source_link="$source_path"
5131 # determine libc flavour
5136 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
5137 if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
5138 eval ${pfx}libc_type=uclibc
5139 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
5140 elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then
5141 eval ${pfx}libc_type=glibc
5142 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
5143 # MinGW headers can be installed on Cygwin, so check for newlib first.
5144 elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
5145 eval ${pfx}libc_type=newlib
5146 add_${pfx}cppflags -U__STRICT_ANSI__ -D_XOPEN_SOURCE=600
5147 # MinGW64 is backwards compatible with MinGW32, so check for it first.
5148 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
5149 eval ${pfx}libc_type=mingw64
5150 if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then
5151 add_compat msvcrt/snprintf.o
5152 add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
5154 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
5155 eval test \$${pfx_no_}cc_type = "gcc" &&
5156 add_${pfx}cppflags -D__printf__=__gnu_printf__
5157 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" ||
5158 check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
5159 eval ${pfx}libc_type=mingw32
5160 check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
5161 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
5162 die "ERROR: MinGW32 runtime version must be >= 3.15."
5163 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
5164 check_${pfx}cpp_condition _mingw.h "__MSVCRT_VERSION__ < 0x0700" &&
5165 add_${pfx}cppflags -D__MSVCRT_VERSION__=0x0700
5166 check_${pfx}cpp_condition windows.h "defined(_WIN32_WINNT) && _WIN32_WINNT < 0x0502" &&
5167 add_${pfx}cppflags -D_WIN32_WINNT=0x0502
5168 eval test \$${pfx_no_}cc_type = "gcc" &&
5169 add_${pfx}cppflags -D__printf__=__gnu_printf__
5170 elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
5171 eval ${pfx}libc_type=msvcrt
5172 if check_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then
5173 if [ "$pfx" = host_ ]; then
5174 add_host_cppflags -Dsnprintf=_snprintf
5176 add_compat strtod.o strtod=avpriv_strtod
5177 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
5178 _snprintf=avpriv_snprintf \
5179 vsnprintf=avpriv_vsnprintf
5182 add_${pfx}cppflags -D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS
5183 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
5184 # 0x601 by default unless something else is set by the user.
5185 # This can easily lead to us detecting functions only present
5186 # in such new versions and producing binaries requiring windows 7.0.
5187 # Therefore explicitly set the default to XP unless the user has
5188 # set something else on the command line.
5189 # Don't do this if WINAPI_FAMILY is set and is set to a non-desktop
5190 # family. For these cases, configure is free to use any functions
5191 # found in the SDK headers by default. (Alternatively, we could force
5192 # _WIN32_WINNT to 0x0602 in that case.)
5193 check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||
5194 { check_${pfx}cpp <<EOF && add_${pfx}cppflags -D_WIN32_WINNT=0x0502; }
5195 #ifdef WINAPI_FAMILY
5196 #include <winapifamily.h>
5197 #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
5202 if [ "$pfx" = "" ]; then
5203 check_func strtoll || add_cflags -Dstrtoll=_strtoi64
5204 check_func strtoull || add_cflags -Dstrtoull=_strtoui64
5206 elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
5207 eval ${pfx}libc_type=klibc
5208 elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then
5209 eval ${pfx}libc_type=bionic
5210 elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then
5211 eval ${pfx}libc_type=solaris
5212 add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
5214 check_${pfx}cc <<EOF
5216 void *v = localtime_r;
5218 test "$?" != 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
5220 void *v = localtime_r;
5223 eval test -n "\${${pfx}libc_type}" && enable ${pfx}libc_${libc_type}
5229 # hacks for compiler/libc/os combinations
5233 add_compat strtod.o strtod=avpriv_strtod
5237 check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||
5238 add_cppflags '-I\$(SRC_PATH)/compat/float'
5240 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
5243 : ${shlibdir_default:="$libdir"}
5244 : ${pkgconfigdir_default:="$libdir/pkgconfig"}
5246 set_default $PATHS_LIST
5249 disabled optimizations || enabled ossfuzz || check_cflags -fomit-frame-pointer
5252 disabled pic && return
5255 case "$target_os" in
5256 mingw*|cygwin*|win*)
5265 enabled pic && enable_weak_pic
5267 check_cc <<EOF || die "Symbol mangling check failed."
5270 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
5271 extern_prefix=${sym%%ff_extern*}
5273 ! disabled inline_asm && check_inline_asm inline_asm '"" ::'
5276 for restrict_keyword in restrict __restrict__ __restrict; do
5277 check_cc <<EOF && _restrict=$restrict_keyword && break
5278 void foo(char * $restrict_keyword p);
5282 check_cc <<EOF && enable pragma_deprecated
5283 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
5286 check_cc <<EOF || die "endian test failed"
5287 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
5289 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
5291 check_cc <<EOF && enable const_nan
5293 void foo(void) { struct { double d; } static const bar[] = { { NAN } }; }
5296 if ! enabled ppc64 || enabled bigendian; then
5301 log "check_gas using '$as' as AS"
5302 # :vararg is used on aarch64, arm and ppc altivec
5303 check_as <<EOF || return 1
5304 .macro m n, y:vararg=0
5309 # .altmacro is only used in arm asm
5310 ! enabled arm || check_as <<EOF || return 1
5317 if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then
5319 enabled_any arm aarch64 && nogas=die
5320 enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn
5324 arm*) gaspp_as_type=armasm; as_noop=-h ;;
5325 gcc) gaspp_as_type=gas ;;
5326 *) gaspp_as_type=$as_type ;;
5329 [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"
5331 test "${as#*gas-preprocessor.pl}" != "$as" ||
5332 check_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- ${as:=$cc} $as_noop &&
5333 gas="${gas:=gas-preprocessor.pl} -arch $arch -as-type $gaspp_as_type -- ${as:=$cc}"
5335 if ! check_gas ; then
5338 $nogas "GNU assembler not found, install/update gas-preprocessor"
5341 check_as <<EOF && enable as_func
5347 check_inline_asm inline_asm_labels '"1:\n"'
5349 check_inline_asm inline_asm_nonlocal_labels '"Label:\n"'
5351 if enabled aarch64; then
5352 enabled armv8 && check_insn armv8 'prfm pldl1strm, [x0]'
5353 # internal assembler in clang 3.3 does not support this instruction
5354 enabled neon && check_insn neon 'ext v0.8B, v0.8B, v1.8B, #1'
5355 enabled vfp && check_insn vfp 'fmadd d0, d0, d1, d2'
5357 map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM
5359 elif enabled alpha; then
5363 elif enabled arm; then
5365 enabled msvc && check_cpp_condition stddef.h "defined _M_ARMT" && enable thumb
5367 check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb
5368 float func(float a, float b){ return a+b; }
5371 enabled thumb && check_cflags -mthumb || check_cflags -marm
5373 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
5375 elif check_cpp_condition stddef.h "defined _M_ARM_FP && _M_ARM_FP >= 30"; then
5377 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__" && [ $target_os != darwin ]; then
5378 case "${cross_prefix:-$cc}" in
5379 *hardfloat*) enable vfp_args; fpabi=vfp ;;
5380 *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
5381 __asm__ (".eabi_attribute 28, 1");
5382 int main(void) { return 0; }
5385 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
5388 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
5389 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
5390 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
5391 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
5392 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
5393 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
5394 enabled setend && check_insn setend 'setend be'
5396 [ $target_os = linux ] || [ $target_os = android ] ||
5397 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
5400 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
5402 check_as <<EOF && enable as_arch_directive
5405 check_as <<EOF && enable as_fpu_directive
5409 # llvm's integrated assembler supports .object_arch from llvm 3.5
5410 [ "$objformat" = elf32 ] || [ "$objformat" = elf64 ] &&
5411 check_as <<EOF && enable as_object_arch
5415 # MS armasm fails to assemble our PIC constructs
5416 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
5418 elif enabled mips; then
5420 enabled loongson2 && check_inline_asm loongson2 '"dmult.g $8, $9, $10"'
5421 enabled loongson3 && check_inline_asm loongson3 '"gsldxc1 $f0, 0($2, $3)"'
5422 enabled mmi && check_inline_asm mmi '"punpcklhw $f0, $f0, $f0"'
5424 # Enable minimum ISA based on selected options
5425 if enabled mips64; then
5426 enabled mips64r6 && check_inline_asm_flags mips64r6 '"dlsa $0, $0, $0, 1"' '-mips64r6'
5427 enabled mips64r2 && check_inline_asm_flags mips64r2 '"dext $0, $0, 0, 1"' '-mips64r2'
5428 disabled mips64r6 && disabled mips64r2 && check_inline_asm_flags mips64r1 '"daddi $0, $0, 0"' '-mips64'
5430 enabled mips32r6 && check_inline_asm_flags mips32r6 '"aui $0, $0, 0"' '-mips32r6'
5431 enabled mips32r5 && check_inline_asm_flags mips32r5 '"eretnc"' '-mips32r5'
5432 enabled mips32r2 && check_inline_asm_flags mips32r2 '"ext $0, $0, 0, 1"' '-mips32r2'
5433 disabled mips32r6 && disabled mips32r5 && disabled mips32r2 && check_inline_asm_flags mips32r1 '"addi $0, $0, 0"' '-mips32'
5436 enabled mipsfpu && check_inline_asm_flags mipsfpu '"cvt.d.l $f0, $f2"' '-mhard-float'
5437 enabled mipsfpu && (enabled mips32r5 || enabled mips32r6 || enabled mips64r6) && check_inline_asm_flags mipsfpu '"cvt.d.l $f0, $f1"' '-mfp64'
5438 enabled mipsfpu && enabled msa && check_inline_asm_flags msa '"addvi.b $w0, $w1, 1"' '-mmsa' && check_header msa.h || disable msa
5439 enabled mipsdsp && check_inline_asm_flags mipsdsp '"addu.qb $t0, $t1, $t2"' '-mdsp'
5440 enabled mipsdspr2 && check_inline_asm_flags mipsdspr2 '"absq_s.qb $t0, $t1"' '-mdspr2'
5442 if enabled bigendian && enabled msa; then
5446 elif enabled parisc; then
5448 if enabled gcc; then
5449 case $($cc -dumpversion) in
5450 4.[3-9].*) check_cflags -fno-optimize-sibling-calls ;;
5454 elif enabled ppc; then
5456 enable local_aligned
5458 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
5459 check_inline_asm ibm_asm '"add 0, 0, 0"'
5460 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
5461 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
5463 if enabled altivec; then
5464 check_cflags -maltivec -mabi=altivec
5466 # check if our compiler supports Motorola AltiVec C API
5467 check_code cc altivec.h "vector signed int v1 = (vector signed int) { 0 };
5468 vector signed int v2 = (vector signed int) { 1 };
5469 v1 = vec_add(v1, v2);" ||
5472 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
5475 if enabled vsx; then
5476 check_cflags -mvsx &&
5477 check_code cc altivec.h "int v[4] = { 0 };
5478 vector signed int v1 = vec_vsx_ld(0, v);" ||
5482 if enabled power8; then
5483 check_cpp_condition "altivec.h" "defined(_ARCH_PWR8)" || disable power8
5486 elif enabled x86; then
5488 check_builtin rdtsc intrin.h "__rdtsc()"
5489 check_builtin mm_empty mmintrin.h "_mm_empty()"
5491 enable local_aligned
5493 # check whether EBP is available on x86
5494 # As 'i' is stored on the stack, this program will crash
5495 # if the base pointer is used to access it because the
5496 # base pointer is cleared in the inline assembly code.
5497 check_exec_crash <<EOF && enable ebp_available
5499 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
5503 # check whether EBX is available on x86
5504 check_inline_asm ebx_available '""::"b"(0)' &&
5505 check_inline_asm ebx_available '"":::"%ebx"'
5507 # check whether xmm clobbers are supported
5508 check_inline_asm xmm_clobbers '"":::"%xmm0"'
5510 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' ||
5511 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"'
5513 # check whether binutils is new enough to compile SSSE3/MMXEXT
5514 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
5515 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
5519 if check_cmd $x86asmexe_probe -v; then
5520 x86asmexe=$x86asmexe_probe
5522 x86asm_debug="-g -F dwarf"
5524 X86ASM_DEPFLAGS='-MD $(@:.o=.d)'
5525 elif check_cmd $x86asmexe_probe --version; then
5526 x86asmexe=$x86asmexe_probe
5528 x86asm_debug="-g dwarf2"
5529 X86ASMDEP='$(DEPX86ASM) $(X86ASMFLAGS) -M $(X86ASM_O) $< > $(@:.o=.d)'
5532 check_x86asm "movbe ecx, [5]" && enable x86asm
5535 if ! disabled_any asm mmx x86asm; then
5537 for program in $x86asmexe nasm yasm; do
5538 probe_x86asm $program && break
5540 disabled x86asm && die "nasm/yasm not found or too old. Use --disable-x86asm for a crippled build."
5541 X86ASMFLAGS="-f $objformat"
5542 enabled pic && append X86ASMFLAGS "-DPIC"
5543 test -n "$extern_prefix" && append X86ASMFLAGS "-DPREFIX"
5544 case "$objformat" in
5545 elf*) enabled debug && append X86ASMFLAGS $x86asm_debug ;;
5548 check_x86asm "vextracti128 xmm0, ymm0, 0" || disable avx2_external
5549 check_x86asm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external
5550 check_x86asm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
5551 check_x86asm "CPU amdnop" || disable cpunop
5555 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
5562 check_code cc arm_neon.h "int16x8_t test = vdupq_n_s16(0)" && enable intrinsics_neon
5564 check_ldflags -Wl,--as-needed
5565 check_ldflags -Wl,-z,noexecstack
5567 if ! disabled network; then
5568 check_func getaddrinfo $network_extralibs
5569 check_func inet_aton $network_extralibs
5571 check_type netdb.h "struct addrinfo"
5572 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
5573 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
5574 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
5575 check_type poll.h "struct pollfd"
5576 check_type netinet/sctp.h "struct sctp_event_subscribe"
5577 check_struct "sys/socket.h" "struct msghdr" msg_flags
5578 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
5579 check_type netinet/in.h "struct sockaddr_in6"
5580 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
5581 check_type "sys/types.h sys/socket.h" socklen_t
5583 # Prefer arpa/inet.h over winsock2
5584 if check_header arpa/inet.h ; then
5585 check_func closesocket
5586 elif check_header winsock2.h ; then
5587 check_func_headers winsock2.h closesocket -lws2 &&
5588 network_extralibs="-lws2" ||
5589 { check_func_headers winsock2.h closesocket -lws2_32 &&
5590 network_extralibs="-lws2_32"; } || disable winsock2_h network
5591 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
5593 check_type ws2tcpip.h socklen_t
5594 check_type ws2tcpip.h "struct addrinfo"
5595 check_type ws2tcpip.h "struct group_source_req"
5596 check_type ws2tcpip.h "struct ip_mreq_source"
5597 check_type ws2tcpip.h "struct ipv6_mreq"
5598 check_type winsock2.h "struct pollfd"
5599 check_struct winsock2.h "struct sockaddr" sa_len
5600 check_type ws2tcpip.h "struct sockaddr_in6"
5601 check_type ws2tcpip.h "struct sockaddr_storage"
5607 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
5608 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
5609 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
5610 check_builtin sarestart signal.h "SA_RESTART"
5611 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
5612 check_builtin gmtime_r time.h "time_t *time; struct tm *tm; gmtime_r(time, tm)"
5613 check_builtin localtime_r time.h "time_t *time; struct tm *tm; localtime_r(time, tm)"
5614 check_builtin x264_csp_bgr "stdint.h x264.h" "X264_CSP_BGR"
5616 case "$custom_allocator" in
5618 # jemalloc by default does not use a prefix
5619 require libjemalloc jemalloc/jemalloc.h malloc -ljemalloc
5622 require_pkg_config libtcmalloc libtcmalloc gperftools/tcmalloc.h tc_malloc
5627 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
5628 check_func ${malloc_prefix}memalign && enable memalign
5629 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
5632 check_func_headers stdlib.h arc4random
5633 check_lib clock_gettime time.h clock_gettime || check_lib clock_gettime time.h clock_gettime -lrt
5636 check_func gethrtime
5638 check_func getrusage
5639 check_func gettimeofday
5644 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
5645 check_func_headers time.h nanosleep || check_lib nanosleep time.h nanosleep -lrt
5646 check_func sched_getaffinity
5647 check_func setrlimit
5648 check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE
5649 check_func strerror_r
5654 check_func_headers conio.h kbhit
5655 check_func_headers io.h setmode
5656 check_func_headers lzo/lzo1x.h lzo1x_999_compress
5657 check_func_headers mach/mach_time.h mach_absolute_time
5658 check_func_headers stdlib.h getenv
5659 check_func_headers sys/stat.h lstat
5661 check_func_headers windows.h GetProcessAffinityMask
5662 check_func_headers windows.h GetProcessTimes
5663 check_func_headers windows.h GetSystemTimeAsFileTime
5664 check_func_headers windows.h LoadLibrary
5665 check_func_headers windows.h MapViewOfFile
5666 check_func_headers windows.h PeekNamedPipe
5667 check_func_headers windows.h SetConsoleTextAttribute
5668 check_func_headers windows.h SetConsoleCtrlHandler
5669 check_func_headers windows.h Sleep
5670 check_func_headers windows.h VirtualAlloc
5671 check_struct windows.h "CONDITION_VARIABLE" Ptr
5672 check_func_headers glob.h glob
5674 check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext
5676 check_header direct.h
5677 check_header dirent.h
5678 check_header dxgidebug.h
5680 check_header dxva2api.h -D_WIN32_WINNT=0x0600
5682 check_header libcrystalhd/libcrystalhd_if.h
5683 check_header malloc.h
5684 check_header net/udplite.h
5686 check_header sys/param.h
5687 check_header sys/resource.h
5688 check_header sys/select.h
5689 check_header sys/time.h
5690 check_header sys/un.h
5691 check_header termios.h
5692 check_header unistd.h
5693 check_header valgrind/valgrind.h
5694 check_func_headers VideoToolbox/VTCompressionSession.h VTCompressionSessionPrepareToEncodeFrames -framework VideoToolbox
5695 check_header windows.h
5696 check_header X11/extensions/XvMClib.h
5697 check_header asm/types.h
5699 # it seems there are versions of clang in some distros that try to use the
5700 # gcc headers, which explodes for stdatomic
5701 # so we also check that atomics actually work here
5702 check_builtin stdatomic stdatomic.h "atomic_int foo, bar = ATOMIC_VAR_INIT(-1); atomic_store(&foo, 0)"
5704 check_lib advapi32 "windows.h" RegCloseKey -ladvapi32
5705 check_lib ole32 "windows.h" CoTaskMemFree -lole32
5706 check_lib shell32 "windows.h shellapi.h" CommandLineToArgvW -lshell32
5707 check_lib wincrypt "windows.h wincrypt.h" CryptGenRandom -ladvapi32
5708 check_lib psapi "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
5710 enabled appkit && check_apple_framework AppKit
5711 enabled audiotoolbox && check_apple_framework AudioToolbox
5712 enabled avfoundation && check_apple_framework AVFoundation
5713 enabled coreimage && check_apple_framework CoreImage
5714 enabled videotoolbox && check_apple_framework VideoToolbox
5716 check_apple_framework CoreFoundation
5717 check_apple_framework CoreMedia
5718 check_apple_framework CoreVideo
5720 enabled avfoundation && {
5721 disable coregraphics applicationservices
5722 check_lib coregraphics CoreGraphics/CoreGraphics.h CGGetActiveDisplayList "-framework CoreGraphics" ||
5723 check_lib applicationservices ApplicationServices/ApplicationServices.h CGGetActiveDisplayList "-framework ApplicationServices"; }
5725 enabled videotoolbox && {
5726 check_lib coreservices CoreServices/CoreServices.h UTGetOSTypeFromString "-framework CoreServices"
5727 check_func_headers CoreMedia/CMFormatDescription.h kCMVideoCodecType_HEVC "-framework CoreMedia"
5730 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
5732 check_type "windows.h dxva.h" "DXVA_PicParams_HEVC" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0
5733 check_type "windows.h dxva.h" "DXVA_PicParams_VP9" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0
5734 check_type "windows.h d3d11.h" "ID3D11VideoDecoder"
5735 check_type "windows.h d3d11.h" "ID3D11VideoContext"
5736 check_type "d3d9.h dxva2api.h" DXVA2_ConfigPictureDecode -D_WIN32_WINNT=0x0602
5738 check_type "va/va.h va/va_dec_hevc.h" "VAPictureParameterBufferHEVC"
5739 check_type "va/va.h va/va_dec_vp8.h" "VAPictureParameterBufferVP8"
5740 check_struct "va/va.h" "VADecPictureParameterBufferVP9" bit_depth
5741 check_type "va/va.h va/va_vpp.h" "VAProcPipelineParameterBuffer"
5742 check_type "va/va.h va/va_enc_h264.h" "VAEncPictureParameterBufferH264"
5743 check_type "va/va.h va/va_enc_hevc.h" "VAEncPictureParameterBufferHEVC"
5744 check_type "va/va.h va/va_enc_jpeg.h" "VAEncPictureParameterBufferJPEG"
5745 check_type "va/va.h va/va_enc_mpeg2.h" "VAEncPictureParameterBufferMPEG2"
5746 check_type "va/va.h va/va_enc_vp8.h" "VAEncPictureParameterBufferVP8"
5747 check_type "va/va.h va/va_enc_vp9.h" "VAEncPictureParameterBufferVP9"
5749 check_type "vdpau/vdpau.h" "VdpPictureInfoHEVC"
5751 check_cpp_condition windows.h "!WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)" && enable winrt || disable winrt
5753 if ! disabled w32threads && ! enabled pthreads; then
5754 check_func_headers "windows.h process.h" _beginthreadex &&
5755 enable w32threads || disable w32threads
5756 if ! enabled w32threads && enabled winrt; then
5757 check_func_headers "windows.h" CreateThread &&
5758 enable w32threads || disable w32threads
5762 # check for some common methods of building with pthread support
5763 # do this before the optional library checks as some of them require pthreads
5764 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
5765 if check_lib pthreads pthread.h pthread_join -pthread &&
5766 check_lib pthreads pthread.h pthread_create -pthread; then
5768 elif check_lib pthreads pthread.h pthread_join -pthreads &&
5769 check_lib pthreads pthread.h pthread_create -pthreads; then
5770 add_cflags -pthreads
5771 elif check_lib pthreads pthread.h pthread_join -ldl -pthread &&
5772 check_lib pthreads pthread.h pthread_create -ldl -pthread; then
5773 add_cflags -ldl -pthread
5774 elif check_lib pthreads pthread.h pthread_join -lpthreadGC2 &&
5775 check_lib pthreads pthread.h pthread_create -lpthreadGC2; then
5777 elif check_lib pthreads pthread.h pthread_join -lpthread &&
5778 check_lib pthreads pthread.h pthread_create -lpthread; then
5780 elif check_func pthread_join && check_func pthread_create; then
5783 check_code cc "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER" || disable pthreads
5785 if enabled pthreads; then
5786 check_builtin sem_timedwait semaphore.h "sem_t *s; sem_init(s,0,0); sem_timedwait(s,0); sem_destroy(s)" $pthreads_extralibs
5787 check_func pthread_cancel $pthreads_extralibs
5791 enabled zlib && check_lib zlib zlib.h zlibVersion -lz
5792 enabled bzlib && check_lib bzlib bzlib.h BZ2_bzlibVersion -lbz2
5793 enabled lzma && check_lib lzma lzma.h lzma_version_number -llzma
5795 # On some systems dynamic loading requires no extra linker flags
5796 check_lib libdl dlfcn.h "dlopen dlsym" || check_lib libdl dlfcn.h "dlopen dlsym" -ldl
5798 check_lib libm math.h sin -lm
5806 for func in $MATH_FUNCS; do
5807 eval check_mathfunc $func \${${func}_args:-1} $libm_extralibs
5810 for func in $COMPLEX_FUNCS; do
5811 eval check_complexfunc $func \${${func}_args:-1}
5814 # these are off by default, so fail if requested and not available
5815 enabled cuda_sdk && require cuda_sdk cuda.h cuCtxCreate -lcuda
5816 enabled chromaprint && require chromaprint chromaprint.h chromaprint_get_version -lchromaprint
5817 enabled decklink && { require_header DeckLinkAPI.h &&
5818 { check_cpp_condition DeckLinkAPIVersion.h "BLACKMAGIC_DECKLINK_API_VERSION >= 0x0a060100" || die "ERROR: Decklink API version must be >= 10.6.1."; } }
5819 enabled libndi_newtek && require_header Processing.NDI.Lib.h
5820 enabled frei0r && require_header frei0r.h
5821 enabled gmp && require gmp gmp.h mpz_export -lgmp
5822 enabled gnutls && require_pkg_config gnutls gnutls gnutls/gnutls.h gnutls_global_init
5823 enabled jni && { [ $target_os = "android" ] && check_header jni.h && enabled pthreads || die "ERROR: jni not found"; }
5824 enabled ladspa && require_header ladspa.h
5825 enabled lv2 && require_pkg_config lv2 lilv-0 "lilv-0/lilv/lilv.h" lilv_world_new
5826 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
5827 enabled libass && require_pkg_config libass libass ass/ass.h ass_library_init
5828 enabled libbluray && require_pkg_config libbluray libbluray libbluray/bluray.h bd_open
5829 enabled libbs2b && require_pkg_config libbs2b libbs2b bs2b.h bs2b_open
5830 enabled libcelt && require libcelt celt/celt.h celt_decode -lcelt0 &&
5831 { check_lib libcelt celt/celt.h celt_decoder_create_custom -lcelt0 ||
5832 die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
5833 enabled libcaca && require_pkg_config libcaca caca caca.h caca_create_canvas
5834 enabled libdc1394 && require_pkg_config libdc1394 libdc1394-2 dc1394/dc1394.h dc1394_new
5835 enabled libdrm && require_pkg_config libdrm libdrm xf86drm.h drmGetVersion
5836 enabled libfdk_aac && { check_pkg_config libfdk_aac fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen ||
5837 { require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac &&
5838 warn "using libfdk without pkg-config"; } }
5839 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"
5840 enabled libflite && require libflite "flite/flite.h" flite_init $flite_extralibs
5841 enabled fontconfig && enable libfontconfig
5842 enabled libfontconfig && require_pkg_config libfontconfig fontconfig "fontconfig/fontconfig.h" FcInit
5843 enabled libfreetype && require_pkg_config libfreetype freetype2 "ft2build.h FT_FREETYPE_H" FT_Init_FreeType
5844 enabled libfribidi && require_pkg_config libfribidi fribidi fribidi.h fribidi_version_info
5845 enabled libgme && { check_pkg_config libgme libgme gme/gme.h gme_new_emu ||
5846 require libgme gme/gme.h gme_new_emu -lgme -lstdc++; }
5847 enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
5848 check_lib libgsm "${gsm_hdr}" gsm_create -lgsm && break;
5849 done || die "ERROR: libgsm not found"; }
5850 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc $pthreads_extralibs
5851 enabled libkvazaar && require_pkg_config libkvazaar "kvazaar >= 0.8.1" kvazaar.h kvz_api_get
5852 # While it may appear that require is being used as a pkg-config
5853 # fallback for libmfx, it is actually being used to detect a different
5854 # installation route altogether. If libmfx is installed via the Intel
5855 # Media SDK or Intel Media Server Studio, these don't come with
5856 # pkg-config support. Instead, users should make sure that the build
5857 # can find the libraries and headers through other means.
5858 enabled libmfx && { check_pkg_config libmfx libmfx "mfx/mfxvideo.h" MFXInit ||
5859 { require libmfx "mfx/mfxvideo.h" MFXInit "-llibmfx $advapi32_extralibs" && warn "using libmfx without pkg-config"; } }
5860 enabled libmodplug && require_pkg_config libmodplug libmodplug libmodplug/modplug.h ModPlug_Load
5861 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame $libm_extralibs
5862 enabled libmysofa && require libmysofa "mysofa.h" mysofa_load -lmysofa $zlib_extralibs
5863 enabled libnpp && { check_lib libnpp npp.h nppGetLibVersion -lnppig -lnppicc -lnppc ||
5864 check_lib libnpp npp.h nppGetLibVersion -lnppi -lnppc ||
5865 die "ERROR: libnpp not found"; }
5866 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
5867 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
5868 enabled libopencv && { check_header opencv2/core/core_c.h &&
5869 { check_pkg_config libopencv opencv opencv2/core/core_c.h cvCreateImageHeader ||
5870 require libopencv opencv2/core/core_c.h cvCreateImageHeader -lopencv_core -lopencv_imgproc; } ||
5871 require_pkg_config libopencv opencv opencv/cxcore.h cvCreateImageHeader; }
5872 enabled libopenh264 && require_pkg_config libopenh264 openh264 wels/codec_api.h WelsGetCodecVersion
5873 enabled libopenjpeg && { check_pkg_config libopenjpeg "libopenjp2 >= 2.1.0" openjpeg.h opj_version ||
5874 { require_pkg_config libopenjpeg "libopenjp2 >= 2.1.0" openjpeg.h opj_version -DOPJ_STATIC && add_cppflags -DOPJ_STATIC; } }
5875 enabled libopenmpt && require_pkg_config libopenmpt "libopenmpt >= 0.2.6557" libopenmpt/libopenmpt.h openmpt_module_create -lstdc++ && append libopenmpt_extralibs "-lstdc++"
5876 enabled libopus && {
5877 enabled libopus_decoder && {
5878 require_pkg_config libopus opus opus_multistream.h opus_multistream_decoder_create
5880 enabled libopus_encoder && {
5881 require_pkg_config libopus opus opus_multistream.h opus_multistream_surround_encoder_create
5884 enabled libpulse && require_pkg_config libpulse libpulse pulse/pulseaudio.h pa_context_new
5885 enabled librsvg && require_pkg_config librsvg librsvg-2.0 librsvg-2.0/librsvg/rsvg.h rsvg_handle_render_cairo
5886 enabled librtmp && require_pkg_config librtmp librtmp librtmp/rtmp.h RTMP_Socket
5887 enabled librubberband && require_pkg_config librubberband "rubberband >= 1.8.1" rubberband/rubberband-c.h rubberband_new -lstdc++ && append librubberband_extralibs "-lstdc++"
5888 enabled libshine && require_pkg_config libshine shine shine/layer3.h shine_encode_buffer
5889 enabled libsmbclient && { check_pkg_config libsmbclient smbclient libsmbclient.h smbc_init ||
5890 require libsmbclient libsmbclient.h smbc_init -lsmbclient; }
5891 enabled libsnappy && require libsnappy snappy-c.h snappy_compress -lsnappy -lstdc++
5892 enabled libsoxr && require libsoxr soxr.h soxr_create -lsoxr
5893 enabled libssh && require_pkg_config libssh libssh libssh/sftp.h sftp_init
5894 enabled libspeex && require_pkg_config libspeex speex speex/speex.h speex_decoder_init
5895 enabled libtesseract && require_pkg_config libtesseract tesseract tesseract/capi.h TessBaseAPICreate
5896 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
5897 enabled libtls && require_pkg_config libtls libtls tls.h tls_configure
5898 enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame &&
5899 { check_lib libtwolame twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
5900 die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
5901 enabled libv4l2 && require_pkg_config libv4l2 libv4l2 libv4l2.h v4l2_ioctl
5902 enabled libvidstab && require_pkg_config libvidstab "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit
5903 enabled libvmaf && require_pkg_config libvmaf libvmaf libvmaf.h compute_vmaf
5904 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
5905 enabled libvorbis && require_pkg_config libvorbis vorbis vorbis/codec.h vorbis_info_init &&
5906 require_pkg_config libvorbisenc vorbisenc vorbis/vorbisenc.h vorbis_encode_init
5909 enabled libvpx_vp8_decoder && {
5910 check_pkg_config libvpx_vp8_decoder "vpx >= 1.4.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp8_dx ||
5911 check_lib libvpx_vp8_decoder "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_dec_init_ver VPX_IMG_FMT_HIGHBITDEPTH" -lvpx ||
5912 die "ERROR: libvpx decoder version must be >=1.4.0";
5914 enabled libvpx_vp8_encoder && {
5915 check_pkg_config libvpx_vp8_encoder "vpx >= 1.4.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp8_cx ||
5916 check_lib libvpx_vp8_encoder "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VPX_IMG_FMT_HIGHBITDEPTH" -lvpx ||
5917 die "ERROR: libvpx encoder version must be >=1.4.0";
5919 enabled libvpx_vp9_decoder && {
5920 check_pkg_config libvpx_vp9_decoder "vpx >= 1.4.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx ||
5921 check_lib libvpx_vp9_decoder "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx VPX_IMG_FMT_HIGHBITDEPTH" "-lvpx $libm_extralibs"
5923 enabled libvpx_vp9_encoder && {
5924 check_pkg_config libvpx_vp9_encoder "vpx >= 1.4.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx ||
5925 check_lib libvpx_vp9_encoder "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VPX_IMG_FMT_HIGHBITDEPTH" "-lvpx $libm_extralibs"
5927 if disabled_all libvpx_vp8_decoder libvpx_vp9_decoder libvpx_vp8_encoder libvpx_vp9_encoder; then
5928 die "libvpx enabled but no supported decoders found"
5932 enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack
5933 enabled libwebp && {
5934 enabled libwebp_encoder && require_pkg_config libwebp "libwebp >= 0.2.0" webp/encode.h WebPGetEncoderVersion
5935 enabled libwebp_anim_encoder && check_pkg_config libwebp_anim_encoder "libwebpmux >= 0.4.0" webp/mux.h WebPAnimEncoderOptionsInit; }
5936 enabled libx264 && { check_pkg_config libx264 x264 "stdint.h x264.h" x264_encoder_encode ||
5937 { require libx264 "stdint.h x264.h" x264_encoder_encode -lx264 &&
5938 warn "using libx264 without pkg-config"; } } &&
5939 require_cpp_condition x264.h "X264_BUILD >= 118" &&
5940 { check_cpp_condition x264.h "X264_MPEG2" &&
5942 enabled libx265 && require_pkg_config libx265 x265 x265.h x265_api_get &&
5943 require_cpp_condition x265.h "X265_BUILD >= 68"
5944 enabled libxavs && require libxavs "stdint.h xavs.h" xavs_encoder_encode "-lxavs $pthreads_extralibs $libm_extralibs"
5945 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
5946 enabled libzimg && require_pkg_config libzimg "zimg >= 2.6.2" zimg.h zimg_get_api_version
5947 enabled libzmq && require_pkg_config libzmq libzmq zmq.h zmq_ctx_new
5948 enabled libzvbi && require_pkg_config libzvbi zvbi-0.2 libzvbi.h vbi_decoder_new &&
5949 { check_cpp_condition libzvbi.h "VBI_VERSION_MAJOR > 0 || VBI_VERSION_MINOR > 2 || VBI_VERSION_MINOR == 2 && VBI_VERSION_MICRO >= 28" ||
5950 enabled gpl || die "ERROR: libzvbi requires version 0.2.28 or --enable-gpl."; }
5951 enabled libxml2 && require_pkg_config libxml2 libxml-2.0 libxml2/libxml/xmlversion.h xmlCheckVersion
5952 enabled mediacodec && { enabled jni || die "ERROR: mediacodec requires --enable-jni"; }
5953 enabled mmal && { check_lib mmal interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ||
5954 { ! enabled cross_compile &&
5955 add_cflags -isystem/opt/vc/include/ -isystem/opt/vc/include/interface/vmcs_host/linux -isystem/opt/vc/include/interface/vcos/pthreads -fgnu89-inline &&
5956 add_ldflags -L/opt/vc/lib/ &&
5957 check_lib mmal interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host; } ||
5958 die "ERROR: mmal not found" &&
5959 check_func_headers interface/mmal/mmal.h "MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS"; }
5960 enabled openal && { { for al_extralibs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
5961 check_lib openal 'AL/al.h' alGetError "${al_extralibs}" && break; done } ||
5962 die "ERROR: openal not found"; } &&
5963 { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
5964 die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
5965 enabled opencl && { check_lib opencl OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||
5966 check_lib opencl CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||
5967 die "ERROR: opencl not found"; } &&
5968 { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||
5969 check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||
5970 die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }
5971 enabled opengl && { check_lib opengl GL/glx.h glXGetProcAddress "-lGL" ||
5972 check_lib opengl windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||
5973 check_lib opengl OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||
5974 check_lib opengl ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||
5975 die "ERROR: opengl not found."
5977 enabled omx && require_header OMX_Core.h
5978 enabled omx_rpi && { check_header OMX_Core.h ||
5979 { ! enabled cross_compile && add_cflags -isystem/opt/vc/include/IL && check_header OMX_Core.h ; } ||
5980 die "ERROR: OpenMAX IL headers not found"; } && enable omx
5981 enabled openssl && { check_pkg_config openssl openssl openssl/ssl.h OPENSSL_init_ssl ||
5982 check_pkg_config openssl openssl openssl/ssl.h SSL_library_init ||
5983 check_lib openssl openssl/ssl.h SSL_library_init -lssl -lcrypto ||
5984 check_lib openssl openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
5985 check_lib openssl openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
5986 die "ERROR: openssl not found"; }
5987 enabled rkmpp && { { require_pkg_config rkmpp rockchip_mpp rockchip/rk_mpi.h mpp_create ||
5988 die "ERROR : Rockchip MPP was not found."; } &&
5989 { check_func_headers rockchip/rk_mpi_cmd.h "MPP_DEC_GET_FREE_PACKET_SLOT_COUNT" ||
5990 die "ERROR: Rockchip MPP is outdated, please get a more recent one."; } &&
5992 die "ERROR: rkmpp requires --enable-libdrm"; }
5995 if enabled gcrypt; then
5996 GCRYPT_CONFIG="${cross_prefix}libgcrypt-config"
5997 if "${GCRYPT_CONFIG}" --version > /dev/null 2>&1; then
5998 gcrypt_cflags=$("${GCRYPT_CONFIG}" --cflags)
5999 gcrypt_extralibs=$("${GCRYPT_CONFIG}" --libs)
6000 check_func_headers gcrypt.h gcry_mpi_new $gcrypt_cflags $gcrypt_extralibs ||
6001 die "ERROR: gcrypt not found"
6002 add_cflags $gcrypt_cflags
6004 require gcrypt gcrypt.h gcry_mpi_new -lgcrypt
6008 if enabled sdl2; then
6009 SDL2_CONFIG="${cross_prefix}sdl2-config"
6010 if test_pkg_config sdl2 "sdl2 >= 2.0.1 sdl2 < 2.1.0" SDL_events.h SDL_PollEvent; then
6011 check_func SDL_Init $sdl2_extralibs $sdl2_cflags ||
6013 elif "${SDL2_CONFIG}" --version > /dev/null 2>&1; then
6014 sdl2_cflags=$("${SDL2_CONFIG}" --cflags)
6015 sdl2_extralibs=$("${SDL2_CONFIG}" --libs)
6016 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x020001" $sdl2_cflags &&
6017 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x020100" $sdl2_cflags &&
6018 check_func SDL_Init $sdl2_extralibs $sdl2_cflags &&
6021 if test $target_os = "mingw32"; then
6022 sdl2_extralibs=$(filter_out '-mwindows' $sdl2_extralibs)
6026 if enabled decklink; then
6028 mingw32*|mingw64*|win32|win64)
6029 decklink_outdev_extralibs="$decklink_outdev_extralibs -lole32 -loleaut32"
6030 decklink_indev_extralibs="$decklink_indev_extralibs -lole32 -loleaut32"
6035 enabled securetransport &&
6036 check_func SecIdentityCreate "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&
6037 check_lib securetransport "Security/SecureTransport.h Security/Security.h" "SSLCreateContext" "-Wl,-framework,CoreFoundation -Wl,-framework,Security" ||
6038 disable securetransport
6040 enabled securetransport &&
6041 check_func SecItemImport "-Wl,-framework,CoreFoundation -Wl,-framework,Security"
6044 check_func_headers "windows.h security.h" InitializeSecurityContext -DSECURITY_WIN32 -lsecur32 &&
6045 check_cpp_condition winerror.h "defined(SEC_I_CONTEXT_EXPIRED)" &&
6046 schannel_extralibs="-lsecur32" ||
6049 makeinfo --version > /dev/null 2>&1 && enable makeinfo || disable makeinfo
6051 && [ 0$(makeinfo --version | grep "texinfo" | sed 's/.*texinfo[^0-9]*\([0-9]*\)\..*/\1/') -ge 5 ] \
6052 && enable makeinfo_html || disable makeinfo_html
6053 disabled makeinfo_html && texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
6054 perl -v > /dev/null 2>&1 && enable perl || disable perl
6055 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
6056 rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout
6058 # check V4L2 codecs available in the API
6059 check_header linux/fb.h
6060 check_header linux/videodev2.h
6061 check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_sanitized struct_v4l2_frmivalenum_discrete
6062 check_code cc linux/videodev2.h "int i = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_VIDEO_M2M | V4L2_BUF_FLAG_LAST;" || disable v4l2_m2m
6063 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_VC1_ANNEX_G;" && enable vc1_v4l2_m2m
6064 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG1;" && enable mpeg1_v4l2_m2m
6065 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG2;" && enable mpeg2_v4l2_m2m
6066 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG4;" && enable mpeg4_v4l2_m2m
6067 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_HEVC;" && enable hevc_v4l2_m2m
6068 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_H263;" && enable h263_v4l2_m2m
6069 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_H264;" && enable h264_v4l2_m2m
6070 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_VP8;" && enable vp8_v4l2_m2m
6071 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_VP9;" && enable vp9_v4l2_m2m
6073 check_header sys/videoio.h
6074 check_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_sanitized struct_v4l2_frmivalenum_discrete
6076 check_lib user32 "windows.h winuser.h" GetShellWindow -luser32
6077 check_lib vfw32 "windows.h vfw.h" capCreateCaptureWindow -lvfw32
6078 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
6079 # w32api 3.12 had it defined wrong
6080 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
6082 check_type "dshow.h" IBaseFilter
6084 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
6085 check_header "dev/bktr/ioctl_meteor.h dev/bktr/ioctl_bt848.h" ||
6086 check_header "machine/ioctl_meteor.h machine/ioctl_bt848.h" ||
6087 check_header "dev/video/meteor/ioctl_meteor.h dev/video/bktr/ioctl_bt848.h" ||
6088 check_header "dev/ic/bt8xx.h"
6090 if check_struct sys/soundcard.h audio_buf_info bytes; then
6091 enable_sanitized sys/soundcard.h
6093 check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_sanitized sys/soundcard.h
6094 #include <sys/soundcard.h>
6099 enabled alsa && check_pkg_config alsa alsa "alsa/asoundlib.h" snd_pcm_htimestamp ||
6100 check_lib alsa alsa/asoundlib.h snd_pcm_htimestamp -lasound
6103 require_pkg_config libjack jack jack/jack.h jack_port_get_latency_range
6105 enabled sndio && check_lib sndio sndio.h sio_open -lsndio
6107 if enabled libcdio; then
6108 check_pkg_config libcdio libcdio_paranoia "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open ||
6109 check_pkg_config libcdio libcdio_paranoia "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open ||
6110 check_lib libcdio "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
6111 check_lib libcdio "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
6112 die "ERROR: No usable libcdio/cdparanoia found"
6115 enabled libxcb && check_pkg_config libxcb "xcb >= 1.4" xcb/xcb.h xcb_connect ||
6116 disable libxcb_shm libxcb_shape libxcb_xfixes
6118 if enabled libxcb; then
6119 enabled libxcb_shm && check_pkg_config libxcb_shm xcb-shm xcb/shm.h xcb_shm_attach
6120 enabled libxcb_shape && check_pkg_config libxcb_shape xcb-shape xcb/shape.h xcb_shape_get_rectangles
6121 enabled libxcb_xfixes && check_pkg_config libxcb_xfixes xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image
6124 check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs"
6126 # d3d11va requires linking directly to dxgi and d3d11 if not building for
6127 # the desktop api partition
6128 check_cpp <<EOF && enable uwp && d3d11va_extralibs="-ldxgi -ld3d11"
6129 #ifdef WINAPI_FAMILY
6130 #include <winapifamily.h>
6131 #if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
6132 #error desktop, not uwp
6134 // WINAPI_FAMILY_APP, WINAPI_FAMILY_PHONE_APP => UWP
6137 #error no family set
6142 check_lib vaapi va/va.h vaInitialize -lva
6145 check_code cc "va/va.h" "vaCreateSurfaces(0, 0, 0, 0, 0, 0, 0, 0)" ||
6149 check_lib vaapi_drm "va/va.h va/va_drm.h" vaGetDisplayDRM -lva -lva-drm
6152 check_lib vaapi_x11 "va/va.h va/va_x11.h" vaGetDisplay -lva -lva-x11 -lX11
6155 check_cpp_condition "va/va.h" "VA_CHECK_VERSION(1, 0, 0)" &&
6158 if enabled_all opencl vaapi ; then
6159 check_type "CL/cl_intel.h" "clCreateImageFromFdINTEL_fn" &&
6160 enable opencl_vaapi_beignet
6161 if enabled libmfx ; then
6162 check_type "CL/cl.h CL/va_ext.h" "clCreateFromVA_APIMediaSurfaceINTEL_fn" &&
6163 enable opencl_vaapi_intel_media
6167 if enabled_all opencl dxva2 ; then
6168 check_type "CL/cl_dx9_media_sharing.h" cl_dx9_surface_info_khr &&
6172 if enabled_all opencl d3d11va ; then
6173 check_type "CL/cl_d3d11.h" clGetDeviceIDsFromD3D11KHR_fn &&
6177 if enabled_all opencl libdrm ; then
6178 check_func_headers "CL/cl_ext.h" clImportMemoryARM &&
6179 enable opencl_drm_arm
6183 check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
6187 check_lib vdpau_x11 "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau -lX11
6189 enabled crystalhd && check_lib crystalhd "stdint.h libcrystalhd/libcrystalhd_if.h" DtsCrystalHDVersion -lcrystalhd
6191 if enabled x86; then
6193 mingw32*|mingw64*|win32|win64|linux|cygwin*)
6196 disable cuda cuvid nvdec nvenc
6200 disable cuda cuvid nvdec nvenc
6204 check_cc -I$source_path <<EOF || disable nvenc
6205 #include "compat/nvenc/nvEncodeAPI.h"
6206 NV_ENCODE_API_FUNCTION_LIST flist;
6207 void f(void) { struct { const GUID guid; } s[] = { { NV_ENC_PRESET_HQ_GUID } }; }
6208 int main(void) { return 0; }
6212 check_cpp_condition "AMF/core/Version.h" \
6213 "(AMF_VERSION_MAJOR << 48 | AMF_VERSION_MINOR << 32 | AMF_VERSION_RELEASE << 16 | AMF_VERSION_BUILD_NUM) >= 0x0001000400040001" ||
6216 # Funny iconv installations are not unusual, so check it after all flags have been set
6217 if enabled libc_iconv; then
6218 check_func_headers iconv.h iconv
6219 elif enabled iconv; then
6220 check_func_headers iconv.h iconv || check_lib iconv iconv.h iconv -liconv
6223 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
6225 # add some useful compiler flags if supported
6226 check_cflags -Wdeclaration-after-statement
6228 check_cflags -Wdisabled-optimization
6229 check_cflags -Wpointer-arith
6230 check_cflags -Wredundant-decls
6231 check_cflags -Wwrite-strings
6232 check_cflags -Wtype-limits
6233 check_cflags -Wundef
6234 check_cflags -Wmissing-prototypes
6235 check_cflags -Wno-pointer-to-int-cast
6236 check_cflags -Wstrict-prototypes
6237 check_cflags -Wempty-body
6239 if enabled extra_warnings; then
6240 check_cflags -Wcast-qual
6241 check_cflags -Wextra
6242 check_cflags -Wpedantic
6245 check_disable_warning(){
6246 warning_flag=-W${1#-Wno-}
6247 test_cflags $unknown_warning_flags $warning_flag && add_cflags $1
6250 test_cflags -Werror=unused-command-line-argument &&
6251 append unknown_warning_flags "-Werror=unused-command-line-argument"
6252 test_cflags -Werror=unknown-warning-option &&
6253 append unknown_warning_flags "-Werror=unknown-warning-option"
6255 check_disable_warning -Wno-parentheses
6256 check_disable_warning -Wno-switch
6257 check_disable_warning -Wno-format-zero-length
6258 check_disable_warning -Wno-pointer-sign
6259 check_disable_warning -Wno-unused-const-variable
6260 check_disable_warning -Wno-bool-operation
6262 check_disable_warning_headers(){
6263 warning_flag=-W${1#-Wno-}
6264 test_cflags $warning_flag && add_cflags_headers $1
6267 check_disable_warning_headers -Wno-deprecated-declarations
6268 check_disable_warning_headers -Wno-unused-variable
6270 check_cc <<EOF && enable blocks_extension
6271 void (^block)(void);
6274 # add some linker flags
6275 check_ldflags -Wl,--warn-common
6276 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
6277 enabled rpath && add_ldexeflags -Wl,-rpath,$libdir && add_ldsoflags -Wl,-rpath,$libdir
6278 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
6280 # add some strip flags
6283 enabled neon_clobber_test &&
6284 check_ldflags -Wl,--wrap,avcodec_open2 \
6285 -Wl,--wrap,avcodec_decode_audio4 \
6286 -Wl,--wrap,avcodec_decode_video2 \
6287 -Wl,--wrap,avcodec_decode_subtitle2 \
6288 -Wl,--wrap,avcodec_encode_audio2 \
6289 -Wl,--wrap,avcodec_encode_video2 \
6290 -Wl,--wrap,avcodec_encode_subtitle \
6291 -Wl,--wrap,avcodec_send_packet \
6292 -Wl,--wrap,avcodec_receive_packet \
6293 -Wl,--wrap,avcodec_send_frame \
6294 -Wl,--wrap,avcodec_receive_frame \
6295 -Wl,--wrap,swr_convert \
6296 -Wl,--wrap,avresample_convert ||
6297 disable neon_clobber_test
6299 enabled xmm_clobber_test &&
6300 check_ldflags -Wl,--wrap,avcodec_open2 \
6301 -Wl,--wrap,avcodec_decode_audio4 \
6302 -Wl,--wrap,avcodec_decode_video2 \
6303 -Wl,--wrap,avcodec_decode_subtitle2 \
6304 -Wl,--wrap,avcodec_encode_audio2 \
6305 -Wl,--wrap,avcodec_encode_video2 \
6306 -Wl,--wrap,avcodec_encode_subtitle \
6307 -Wl,--wrap,avcodec_send_packet \
6308 -Wl,--wrap,avcodec_receive_packet \
6309 -Wl,--wrap,avcodec_send_frame \
6310 -Wl,--wrap,avcodec_receive_frame \
6311 -Wl,--wrap,swr_convert \
6312 -Wl,--wrap,avresample_convert \
6313 -Wl,--wrap,sws_scale ||
6314 disable xmm_clobber_test
6316 check_ld "cc" <<EOF && enable proper_dce
6317 extern const int array[512];
6318 static inline int func(void) { return array[0]; }
6319 int main(void) { return 0; }
6322 if enabled proper_dce; then
6323 echo "X { local: *; };" > $TMPV
6324 if test_ldflags -Wl,${version_script},$TMPV; then
6325 append SHFLAGS '-Wl,${version_script},\$(SUBDIR)lib\$(NAME).ver'
6327 check_cc <<EOF && enable symver_asm_label
6328 void ff_foo(void) __asm__ ("av_foo@VERSION");
6329 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
6331 check_cc <<EOF && enable symver_gnu_asm
6332 __asm__(".symver ff_foo,av_foo@VERSION");
6333 void ff_foo(void) {}
6338 if [ -z "$optflags" ]; then
6339 if enabled small; then
6340 optflags=$cflags_size
6341 elif enabled optimizations; then
6342 optflags=$cflags_speed
6344 optflags=$cflags_noopt
6348 if [ -z "$nvccflags" ]; then
6349 nvccflags=$nvccflags_default
6352 if enabled x86_64 || enabled ppc64 || enabled aarch64; then
6353 nvccflags="$nvccflags -m64"
6355 nvccflags="$nvccflags -m32"
6360 enabled lto && check_ldflags "$@"
6363 check_optflags $optflags
6364 check_optflags -fno-math-errno
6365 check_optflags -fno-signed-zeros
6367 if enabled lto; then
6368 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
6370 check_ldflags -flto $cpuflags
6371 disable inline_asm_direct_symbol_refs
6374 enabled ftrapv && check_cflags -ftrapv
6376 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
6381 if enabled icc; then
6382 # Just warnings, no remarks
6384 # -wd: Disable following warnings
6385 # 144, 167, 556: -Wno-pointer-sign
6386 # 188: enumerated type mixed with another type
6387 # 1292: attribute "foo" ignored
6388 # 1419: external declaration in primary source file
6389 # 10006: ignoring unknown option -fno-signed-zeros
6390 # 10148: ignoring unknown option -Wno-parentheses
6391 # 10156: ignoring option '-W'; no argument required
6392 # 13200: No EMMS instruction before call to function
6393 # 13203: No EMMS instruction before return from function
6394 check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156,13200,13203
6395 # 11030: Warning unknown option --as-needed
6396 # 10156: ignoring option '-export'; no argument required
6397 check_ldflags -wd10156,11030
6398 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
6399 enable ebp_available
6400 # The test above does not test linking
6401 enabled lto && disable symver_asm_label
6402 if enabled x86_32; then
6403 icc_version=$($cc -dumpversion)
6404 test ${icc_version%%.*} -ge 11 &&
6405 check_cflags -falign-stack=maintain-16-byte ||
6406 disable aligned_stack
6408 elif enabled gcc; then
6409 check_optflags -fno-tree-vectorize
6410 check_cflags -Werror=format-security
6411 check_cflags -Werror=implicit-function-declaration
6412 check_cflags -Werror=missing-prototypes
6413 check_cflags -Werror=return-type
6414 check_cflags -Werror=vla
6415 check_cflags -Wformat
6416 check_cflags -fdiagnostics-color=auto
6417 enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized
6418 elif enabled llvm_gcc; then
6419 check_cflags -mllvm -stack-alignment=16
6420 elif enabled clang; then
6421 check_cflags -mllvm -stack-alignment=16
6422 check_cflags -mstack-alignment=16
6423 check_cflags -Qunused-arguments
6424 check_cflags -Werror=implicit-function-declaration
6425 check_cflags -Werror=missing-prototypes
6426 check_cflags -Werror=return-type
6427 elif enabled cparser; then
6428 add_cflags -Wno-missing-variable-declarations
6429 add_cflags -Wno-empty-statement
6430 elif enabled armcc; then
6431 add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat
6432 add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir
6433 # 2523: use of inline assembly is deprecated
6434 add_cflags -W${armcc_opt},--diag_suppress=2523
6435 add_cflags -W${armcc_opt},--diag_suppress=1207
6436 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
6437 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
6438 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
6439 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
6440 elif enabled pathscale; then
6441 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
6443 elif enabled_any msvc icl; then
6444 enabled x86_32 && disable aligned_stack
6445 enabled_all x86_32 debug && add_cflags -Oy-
6446 enabled debug && add_ldflags -debug
6447 enable pragma_deprecated
6448 if enabled icl; then
6449 # -Qansi-alias is basically -fstrict-aliasing, but does not work
6450 # (correctly) on icl 13.x.
6451 check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&
6452 add_cflags -Qansi-alias
6453 # Some inline asm is not compilable in debug
6454 if enabled debug; then
6455 disable ebp_available
6456 disable ebx_available
6459 # msvcrt10 x64 incorrectly enables log2, only msvcrt12 (MSVC 2013) onwards actually has log2.
6460 check_cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION >= 12" || disable log2
6461 # The CRT headers contain __declspec(restrict) in a few places, but if redefining
6462 # restrict, this might break. MSVC 2010 and 2012 fail with __declspec(__restrict)
6463 # (as it ends up if the restrict redefine is done before including stdlib.h), while
6464 # MSVC 2013 and newer can handle it fine.
6465 # If this declspec fails, force including stdlib.h before the restrict redefinition
6466 # happens in config.h.
6467 if [ $_restrict != restrict ]; then
6468 check_cc <<EOF || add_cflags -FIstdlib.h
6469 __declspec($_restrict) void* foo(int);
6472 # the new SSA optimzer in VS2015 U3 is mis-optimizing some parts of the code
6473 # Issue has been fixed in MSVC v19.00.24218.
6474 check_cpp_condition windows.h "_MSC_FULL_VER >= 190024218" ||
6475 check_cflags -d2SSAOptimizer-
6476 # enable utf-8 source processing on VS2015 U2 and newer
6477 check_cpp_condition windows.h "_MSC_FULL_VER >= 190023918" &&
6481 for pfx in "" host_; do
6482 varname=${pfx%_}cc_type
6483 eval "type=\$$varname"
6484 if [ "$type" = "msvc" ]; then
6485 check_${pfx}cc <<EOF || add_${pfx}cflags -Dinline=__inline
6486 static inline int foo(int a) { return a; }
6493 add_asflags -Qunused-arguments
6499 check_ldflags -Qunused-arguments
6503 enable frame_thread_encoder
6505 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
6507 check_deps $CONFIG_LIST \
6512 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"
6515 if test $target_os = "haiku"; then
6517 disable posix_memalign
6520 flatten_extralibs(){
6521 unset nested_entries
6524 for entry in $list; do
6527 append nested_entries $(filter '*_extralibs' $entry_copy)
6528 flat_entries=$(filter_out '*_extralibs' $entry_copy)
6529 eval $entry="\$flat_entries"
6531 append $list_name "$nested_entries"
6533 resolve nested_entries
6534 if test -n "$(filter '*_extralibs' $nested_entries)"; then
6535 flatten_extralibs $list_name
6539 flatten_extralibs_wrapper(){
6541 flatten_extralibs $list_name
6544 eval $list_name=\$\(\$ldflags_filter \$$list_name\)
6545 eval printf \''%s'\' \""\$$list_name"\"
6548 for linkunit in $LIBRARY_LIST; do
6549 unset current_extralibs
6550 eval components=\$$(toupper ${linkunit})_COMPONENTS_LIST
6551 for comp in ${components}; do
6552 enabled $comp || continue
6553 comp_extralibs="${comp}_extralibs"
6554 append current_extralibs $comp_extralibs
6556 eval prepend ${linkunit}_extralibs $current_extralibs
6559 for linkunit in $LIBRARY_LIST $PROGRAM_LIST $EXTRALIBS_LIST; do
6560 eval ${linkunit}_extralibs=\$\(flatten_extralibs_wrapper ${linkunit}_extralibs\)
6563 map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST
6565 for thread in $THREADS_LIST; do
6566 if enabled $thread; then
6567 test -n "$thread_type" &&
6568 die "ERROR: Only one thread type must be selected." ||
6569 thread_type="$thread"
6573 if disabled stdatomic; then
6574 if enabled atomics_gcc; then
6575 add_cppflags '-I\$(SRC_PATH)/compat/atomics/gcc'
6576 elif enabled atomics_win32; then
6577 add_cppflags '-I\$(SRC_PATH)/compat/atomics/win32'
6578 elif enabled atomics_suncc; then
6579 add_cppflags '-I\$(SRC_PATH)/compat/atomics/suncc'
6580 elif enabled pthreads; then
6581 add_compat atomics/pthread/stdatomic.o
6582 add_cppflags '-I\$(SRC_PATH)/compat/atomics/pthread'
6584 enabled threads && die "Threading is enabled, but no atomics are available"
6585 add_cppflags '-I\$(SRC_PATH)/compat/atomics/dummy'
6589 # Check if requested libraries were found.
6590 for lib in $AUTODETECT_LIBS; do
6591 requested $lib && ! enabled $lib && die "ERROR: $lib requested but not found";
6594 enabled zlib && add_cppflags -DZLIB_CONST
6596 # conditional library dependencies, in linking order
6597 enabled afftfilt_filter && prepend avfilter_deps "avcodec"
6598 enabled afir_filter && prepend avfilter_deps "avcodec"
6599 enabled amovie_filter && prepend avfilter_deps "avformat avcodec"
6600 enabled aresample_filter && prepend avfilter_deps "swresample"
6601 enabled atempo_filter && prepend avfilter_deps "avcodec"
6602 enabled cover_rect_filter && prepend avfilter_deps "avformat avcodec"
6603 enabled ebur128_filter && enabled swresample && prepend avfilter_deps "swresample"
6604 enabled elbg_filter && prepend avfilter_deps "avcodec"
6605 enabled fftfilt_filter && prepend avfilter_deps "avcodec"
6606 enabled find_rect_filter && prepend avfilter_deps "avformat avcodec"
6607 enabled firequalizer_filter && prepend avfilter_deps "avcodec"
6608 enabled mcdeint_filter && prepend avfilter_deps "avcodec"
6609 enabled movie_filter && prepend avfilter_deps "avformat avcodec"
6610 enabled pan_filter && prepend avfilter_deps "swresample"
6611 enabled pp_filter && prepend avfilter_deps "postproc"
6612 enabled removelogo_filter && prepend avfilter_deps "avformat avcodec swscale"
6613 enabled resample_filter && prepend avfilter_deps "avresample"
6614 enabled sab_filter && prepend avfilter_deps "swscale"
6615 enabled scale_filter && prepend avfilter_deps "swscale"
6616 enabled scale2ref_filter && prepend avfilter_deps "swscale"
6617 enabled sofalizer_filter && prepend avfilter_deps "avcodec"
6618 enabled showcqt_filter && prepend avfilter_deps "avformat avcodec swscale"
6619 enabled showfreqs_filter && prepend avfilter_deps "avcodec"
6620 enabled showspectrum_filter && prepend avfilter_deps "avcodec"
6621 enabled signature_filter && prepend avfilter_deps "avcodec avformat"
6622 enabled smartblur_filter && prepend avfilter_deps "swscale"
6623 enabled spectrumsynth_filter && prepend avfilter_deps "avcodec"
6624 enabled spp_filter && prepend avfilter_deps "avcodec"
6625 enabled subtitles_filter && prepend avfilter_deps "avformat avcodec"
6626 enabled uspp_filter && prepend avfilter_deps "avcodec"
6627 enabled zoompan_filter && prepend avfilter_deps "swscale"
6629 enabled lavfi_indev && prepend avdevice_deps "avfilter"
6632 enabled sdl2_outdev && add_cflags $(filter_out '-Dmain=SDL_main' $sdl2_cflags)
6634 enabled opus_decoder && prepend avcodec_deps "swresample"
6638 eval "deps=\$$lib_deps"
6639 append $lib_deps $(map 'eval echo \$${v}_deps' $deps)
6643 #we have to remove gpl from the deps here as some code assumes all lib deps are libs
6644 postproc_deps="$(filter_out 'gpl' $postproc_deps)"
6646 map 'expand_deps $v' $LIBRARY_LIST
6648 license="LGPL version 2.1 or later"
6649 if enabled nonfree; then
6650 license="nonfree and unredistributable"
6651 elif enabled gplv3; then
6652 license="GPL version 3 or later"
6653 elif enabled lgplv3; then
6654 license="LGPL version 3 or later"
6655 elif enabled gpl; then
6656 license="GPL version 2 or later"
6659 if test "$quiet" != "yes"; then
6661 echo "install prefix $prefix"
6662 echo "source path $source_path"
6663 echo "C compiler $cc"
6664 echo "C library $libc_type"
6665 if test "$host_cc" != "$cc"; then
6666 echo "host C compiler $host_cc"
6667 echo "host C library $host_libc_type"
6669 echo "ARCH $arch ($cpu)"
6670 if test "$build_suffix" != ""; then
6671 echo "build suffix $build_suffix"
6673 if test "$progs_suffix" != ""; then
6674 echo "progs suffix $progs_suffix"
6676 if test "$extra_version" != ""; then
6677 echo "version string suffix $extra_version"
6679 echo "big-endian ${bigendian-no}"
6680 echo "runtime cpu detection ${runtime_cpudetect-no}"
6681 if enabled x86; then
6682 echo "standalone assembly ${x86asm-no}"
6683 echo "x86 assembler ${x86asmexe}"
6684 echo "MMX enabled ${mmx-no}"
6685 echo "MMXEXT enabled ${mmxext-no}"
6686 echo "3DNow! enabled ${amd3dnow-no}"
6687 echo "3DNow! extended enabled ${amd3dnowext-no}"
6688 echo "SSE enabled ${sse-no}"
6689 echo "SSSE3 enabled ${ssse3-no}"
6690 echo "AESNI enabled ${aesni-no}"
6691 echo "AVX enabled ${avx-no}"
6692 echo "AVX2 enabled ${avx2-no}"
6693 echo "XOP enabled ${xop-no}"
6694 echo "FMA3 enabled ${fma3-no}"
6695 echo "FMA4 enabled ${fma4-no}"
6696 echo "i686 features enabled ${i686-no}"
6697 echo "CMOV is fast ${fast_cmov-no}"
6698 echo "EBX available ${ebx_available-no}"
6699 echo "EBP available ${ebp_available-no}"
6701 if enabled aarch64; then
6702 echo "NEON enabled ${neon-no}"
6703 echo "VFP enabled ${vfp-no}"
6705 if enabled arm; then
6706 echo "ARMv5TE enabled ${armv5te-no}"
6707 echo "ARMv6 enabled ${armv6-no}"
6708 echo "ARMv6T2 enabled ${armv6t2-no}"
6709 echo "VFP enabled ${vfp-no}"
6710 echo "NEON enabled ${neon-no}"
6711 echo "THUMB enabled ${thumb-no}"
6713 if enabled mips; then
6714 echo "MIPS FPU enabled ${mipsfpu-no}"
6715 echo "MIPS DSP R1 enabled ${mipsdsp-no}"
6716 echo "MIPS DSP R2 enabled ${mipsdspr2-no}"
6717 echo "MIPS MSA enabled ${msa-no}"
6718 echo "LOONGSON MMI enabled ${mmi-no}"
6720 if enabled ppc; then
6721 echo "AltiVec enabled ${altivec-no}"
6722 echo "VSX enabled ${vsx-no}"
6723 echo "POWER8 enabled ${power8-no}"
6724 echo "PPC 4xx optimizations ${ppc4xx-no}"
6725 echo "dcbzl available ${dcbzl-no}"
6727 echo "debug symbols ${debug-no}"
6728 echo "strip symbols ${stripping-no}"
6729 echo "optimize for size ${small-no}"
6730 echo "optimizations ${optimizations-no}"
6731 echo "static ${static-no}"
6732 echo "shared ${shared-no}"
6733 echo "postprocessing support ${postproc-no}"
6734 echo "network support ${network-no}"
6735 echo "threading support ${thread_type-no}"
6736 echo "safe bitstream reader ${safe_bitstream_reader-no}"
6737 echo "texi2html enabled ${texi2html-no}"
6738 echo "perl enabled ${perl-no}"
6739 echo "pod2man enabled ${pod2man-no}"
6740 echo "makeinfo enabled ${makeinfo-no}"
6741 echo "makeinfo supports HTML ${makeinfo_html-no}"
6742 test -n "$random_seed" &&
6743 echo "random seed ${random_seed}"
6746 echo "External libraries:"
6747 print_enabled '' $EXTERNAL_LIBRARY_LIST $EXTERNAL_AUTODETECT_LIBRARY_LIST | print_in_columns
6750 echo "External libraries providing hardware acceleration:"
6751 print_enabled '' $HWACCEL_LIBRARY_LIST $HWACCEL_AUTODETECT_LIBRARY_LIST | print_in_columns
6755 print_enabled '' $LIBRARY_LIST | print_in_columns
6759 print_enabled '' $PROGRAM_LIST | print_in_columns
6762 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
6763 echo "Enabled ${type}s:"
6764 eval list=\$$(toupper $type)_LIST
6765 print_enabled '_*' $list | print_in_columns
6769 if test -n "$ignore_tests"; then
6770 ignore_tests=$(echo $ignore_tests | tr ',' ' ')
6771 echo "Ignored FATE tests:"
6772 echo $ignore_tests | print_in_columns
6776 echo "License: $license"
6778 fi # test "$quiet" != "yes"
6780 if test -n "$WARNINGS"; then
6781 printf "\n%s%s$WARNINGS%s" "$warn_color" "$bold_color" "$reset_color"
6782 enabled fatal_warnings && exit 1
6785 test -e Makefile || echo "include $source_path/Makefile" > Makefile
6788 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
6791 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" > ffbuild/config.fate
6793 enabled stripping || strip="echo skipping strip"
6794 enabled stripping || striptype=""
6796 config_files="$TMPH ffbuild/config.mak doc/config.texi"
6798 cat > ffbuild/config.mak <<EOF
6799 # Automatically generated by configure - do not modify!
6800 ifndef FFMPEG_CONFIG_MAK
6802 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
6804 LIBDIR=\$(DESTDIR)$libdir
6805 SHLIBDIR=\$(DESTDIR)$shlibdir
6806 INCDIR=\$(DESTDIR)$incdir
6807 BINDIR=\$(DESTDIR)$bindir
6808 DATADIR=\$(DESTDIR)$datadir
6809 DOCDIR=\$(DESTDIR)$docdir
6810 MANDIR=\$(DESTDIR)$mandir
6811 PKGCONFIGDIR=\$(DESTDIR)$pkgconfigdir
6812 INSTALL_NAME_DIR=$install_name_dir
6813 SRC_PATH=$source_path
6814 SRC_LINK=$source_link
6815 ifndef MAIN_MAKEFILE
6816 SRC_PATH:=\$(SRC_PATH:.%=..%)
6820 INTRINSICS=$intrinsics
6821 EXTERN_PREFIX=$extern_prefix
6828 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
6830 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
6832 DEPX86ASM=$x86asmexe
6833 DEPX86ASMFLAGS=\$(X86ASMFLAGS)
6841 STRIPTYPE=$striptype
6848 OBJCFLAGS=$OBJCFLAGS
6850 NVCCFLAGS=$nvccflags
6871 LDEXEFLAGS=$LDEXEFLAGS
6872 LDSOFLAGS=$LDSOFLAGS
6873 SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
6874 ASMSTRIPFLAGS=$ASMSTRIPFLAGS
6875 X86ASMFLAGS=$X86ASMFLAGS
6876 BUILDSUF=$build_suffix
6877 PROGSSUF=$progs_suffix
6885 EXTRA_VERSION=$extra_version
6888 CCDEP_FLAGS=$CCDEP_FLAGS
6890 ASDEP_FLAGS=$ASDEP_FLAGS
6891 X86ASMDEP=$X86ASMDEP
6892 X86ASMDEP_FLAGS=$X86ASMDEP_FLAGS
6893 CC_DEPFLAGS=$CC_DEPFLAGS
6894 AS_DEPFLAGS=$AS_DEPFLAGS
6895 X86ASM_DEPFLAGS=$X86ASM_DEPFLAGS
6898 HOSTCFLAGS=$host_cflags
6899 HOSTCPPFLAGS=$host_cppflags
6900 HOSTEXESUF=$HOSTEXESUF
6901 HOSTLDFLAGS=$host_ldflags
6902 HOSTEXTRALIBS=$host_extralibs
6904 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
6905 HOSTCCDEP=$HOSTCCDEP
6906 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
6907 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
6911 TARGET_EXEC=$target_exec $target_exec_args
6912 TARGET_PATH=$target_path
6913 TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}
6914 CFLAGS-ffplay=${sdl2_cflags}
6915 CFLAGS_HEADERS=$CFLAGS_HEADERS
6916 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
6917 EXTRALIBS=$extralibs
6918 COMPAT_OBJS=$compat_objs
6920 SLIBNAME=${SLIBNAME}
6921 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
6922 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
6923 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
6924 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
6925 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
6926 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
6927 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
6928 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
6929 VERSION_SCRIPT_POSTPROCESS_CMD=${VERSION_SCRIPT_POSTPROCESS_CMD}
6930 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
6931 NOREDZONE_FLAGS=$noredzone_flags
6932 LIBFUZZER_PATH=$libfuzzer_path
6933 IGNORE_TESTS=$ignore_tests
6936 map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> ffbuild/config.mak' $LIBRARY_LIST
6938 for entry in $LIBRARY_LIST $PROGRAM_LIST $EXTRALIBS_LIST; do
6939 eval echo "EXTRALIBS-${entry}=\$${entry}_extralibs" >> ffbuild/config.mak
6943 /* Automatically generated by configure - do not modify! */
6944 #ifndef FFMPEG_CONFIG_H
6945 #define FFMPEG_CONFIG_H
6946 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
6947 #define FFMPEG_LICENSE "$(c_escape $license)"
6948 #define CONFIG_THIS_YEAR 2017
6949 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
6950 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
6951 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
6952 #define av_restrict $_restrict
6953 #define EXTERN_PREFIX "${extern_prefix}"
6954 #define EXTERN_ASM ${extern_prefix}
6955 #define BUILDSUF "$build_suffix"
6956 #define SLIBSUF "$SLIBSUF"
6957 #define HAVE_MMX2 HAVE_MMXEXT
6958 #define SWS_MAX_FILTER_SIZE $sws_max_filter_size
6961 test -n "$assert_level" &&
6962 echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
6964 test -n "$malloc_prefix" &&
6965 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
6967 if enabled x86asm; then
6968 append config_files $TMPASM
6970 ; Automatically generated by configure - do not modify!
6974 enabled getenv || echo "#define getenv(x) NULL" >> $TMPH
6980 echo "@c auto-generated by configure - do not modify! " > doc/config.texi
6982 print_config ARCH_ "$config_files" $ARCH_LIST
6983 print_config HAVE_ "$config_files" $HAVE_LIST
6984 print_config CONFIG_ "$config_files" $CONFIG_LIST \
6988 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
6989 echo "endif # FFMPEG_CONFIG_MAK" >> ffbuild/config.mak
6991 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
6992 cp_if_changed $TMPH config.h
6993 touch ffbuild/.config
6995 enabled x86asm && cp_if_changed $TMPASM config.asm
6998 /* Generated by ffmpeg configure */
6999 #ifndef AVUTIL_AVCONFIG_H
7000 #define AVUTIL_AVCONFIG_H
7003 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
7005 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
7007 cp_if_changed $TMPH libavutil/avconfig.h
7009 # generate the lists of enabled components
7010 print_enabled_components(){
7015 echo "static const $struct_name * const $name[] = {" > $TMPH
7017 enabled $c && printf " &ff_%s,\n" $c >> $TMPH
7019 echo " NULL };" >> $TMPH
7020 cp_if_changed $TMPH $file
7023 print_enabled_components libavcodec/bsf_list.c AVBitStreamFilter bitstream_filters $BSF_LIST
7024 print_enabled_components libavformat/protocol_list.c URLProtocol url_protocols $PROTOCOL_LIST
7026 # Settings for pkg-config files
7029 # Automatically generated by configure - do not modify!
7031 build_suffix=$build_suffix
7035 rpath=$(enabled rpath && echo "-Wl,-rpath,\${libdir}")
7036 source_path=${source_path}
7039 extralibs_avutil="$avutil_extralibs"
7040 extralibs_avcodec="$avcodec_extralibs"
7041 extralibs_avformat="$avformat_extralibs"
7042 extralibs_avdevice="$avdevice_extralibs"
7043 extralibs_avfilter="$avfilter_extralibs"
7044 extralibs_avresample="$avresample_extralibs"
7045 extralibs_postproc="$postproc_extralibs"
7046 extralibs_swscale="$swscale_extralibs"
7047 extralibs_swresample="$swresample_extralibs"
7050 for lib in $LIBRARY_LIST; do
7051 lib_deps="$(eval echo \$${lib}_deps)"
7052 echo ${lib}_deps=\"$lib_deps\" >> $TMPH
7055 cp_if_changed $TMPH ffbuild/config.sh