3 # FFmpeg configure script
5 # Copyright (c) 2000-2002 Fabrice Bellard
6 # Copyright (c) 2005-2008 Diego Biurrun
7 # Copyright (c) 2005-2008 Mans Rullgard
10 # Prevent locale nonsense from breaking basic text processing.
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
18 echo "Trying shell $1"
19 type "$1" > /dev/null 2>&1 && exec "$@"
23 (: ${foo%%bar}) 2> /dev/null
26 (: ${foo?}) 2> /dev/null
29 if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
32 if test "0$FF_CONF_EXEC" -lt 1; then
34 try_exec bash "$0" "$@"
36 if test "0$FF_CONF_EXEC" -lt 2; then
38 try_exec ksh "$0" "$@"
40 if test "0$FF_CONF_EXEC" -lt 3; then
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
44 echo "No compatible shell script interpreter found."
45 echo "This configure script requires a POSIX-compatible shell"
46 echo "such as bash or ksh."
47 echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken FFmpeg."
50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
57 test -d /usr/xpg4/bin && PATH=/usr/xpg4/bin:$PATH
61 Usage: configure [options]
62 Options: [defaults in brackets after descriptions]
65 --help print this message
66 --quiet Suppress showing informative output
67 --list-decoders show all available decoders
68 --list-encoders show all available encoders
69 --list-hwaccels show all available hardware accelerators
70 --list-demuxers show all available demuxers
71 --list-muxers show all available muxers
72 --list-parsers show all available parsers
73 --list-protocols show all available protocols
74 --list-bsfs show all available bitstream filters
75 --list-indevs show all available input devices
76 --list-outdevs show all available output devices
77 --list-filters show all available filters
80 --logfile=FILE log tests and output to FILE [ffbuild/config.log]
81 --disable-logging do not log configure debug information
82 --fatal-warnings fail if any configure warning is generated
83 --prefix=PREFIX install in PREFIX [$prefix_default]
84 --bindir=DIR install binaries in DIR [PREFIX/bin]
85 --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg]
86 --docdir=DIR install documentation in DIR [PREFIX/share/doc/ffmpeg]
87 --libdir=DIR install libs in DIR [PREFIX/lib]
88 --shlibdir=DIR install shared libs in DIR [LIBDIR]
89 --incdir=DIR install includes in DIR [PREFIX/include]
90 --mandir=DIR install man page in DIR [PREFIX/share/man]
91 --pkgconfigdir=DIR install pkg-config files in DIR [LIBDIR/pkgconfig]
92 --enable-rpath use rpath to allow installing libraries in paths
93 not part of the dynamic linker search path
94 use rpath when linking programs (USE WITH CARE)
95 --install-name-dir=DIR Darwin directory name for installed targets
98 --enable-gpl allow use of GPL code, the resulting libs
99 and binaries will be under GPL [no]
100 --enable-version3 upgrade (L)GPL to version 3 [no]
101 --enable-nonfree allow use of nonfree code, the resulting libs
102 and binaries will be unredistributable [no]
104 Configuration options:
105 --disable-static do not build static libraries [no]
106 --enable-shared build shared libraries [no]
107 --enable-small optimize for size instead of speed
108 --disable-runtime-cpudetect disable detecting CPU capabilities at runtime (smaller binary)
109 --enable-gray enable full grayscale support (slower color)
110 --disable-swscale-alpha disable alpha channel support in swscale
111 --disable-all disable building components, libraries and programs
112 --disable-autodetect disable automatically detected external libraries [no]
115 --disable-programs do not build command line programs
116 --disable-ffmpeg disable ffmpeg build
117 --disable-ffplay disable ffplay build
118 --disable-ffprobe disable ffprobe build
120 Documentation options:
121 --disable-doc do not build documentation
122 --disable-htmlpages do not build HTML documentation pages
123 --disable-manpages do not build man documentation pages
124 --disable-podpages do not build POD documentation pages
125 --disable-txtpages do not build text documentation pages
128 --disable-avdevice disable libavdevice build
129 --disable-avcodec disable libavcodec build
130 --disable-avformat disable libavformat build
131 --disable-swresample disable libswresample build
132 --disable-swscale disable libswscale build
133 --disable-postproc disable libpostproc build
134 --disable-avfilter disable libavfilter build
135 --enable-avresample enable libavresample build (deprecated) [no]
136 --disable-pthreads disable pthreads [autodetect]
137 --disable-w32threads disable Win32 threads [autodetect]
138 --disable-os2threads disable OS/2 threads [autodetect]
139 --disable-network disable network support [no]
140 --disable-dct disable DCT code
141 --disable-dwt disable DWT code
142 --disable-error-resilience disable error resilience code
143 --disable-lsp disable LSP code
144 --disable-lzo disable LZO decoder code
145 --disable-mdct disable MDCT code
146 --disable-rdft disable RDFT code
147 --disable-fft disable FFT code
148 --disable-faan disable floating point AAN (I)DCT code
149 --disable-pixelutils disable pixel utils in libavutil
151 Individual component options:
152 --disable-everything disable all components listed below
153 --disable-encoder=NAME disable encoder NAME
154 --enable-encoder=NAME enable encoder NAME
155 --disable-encoders disable all encoders
156 --disable-decoder=NAME disable decoder NAME
157 --enable-decoder=NAME enable decoder NAME
158 --disable-decoders disable all decoders
159 --disable-hwaccel=NAME disable hwaccel NAME
160 --enable-hwaccel=NAME enable hwaccel NAME
161 --disable-hwaccels disable all hwaccels
162 --disable-muxer=NAME disable muxer NAME
163 --enable-muxer=NAME enable muxer NAME
164 --disable-muxers disable all muxers
165 --disable-demuxer=NAME disable demuxer NAME
166 --enable-demuxer=NAME enable demuxer NAME
167 --disable-demuxers disable all demuxers
168 --enable-parser=NAME enable parser NAME
169 --disable-parser=NAME disable parser NAME
170 --disable-parsers disable all parsers
171 --enable-bsf=NAME enable bitstream filter NAME
172 --disable-bsf=NAME disable bitstream filter NAME
173 --disable-bsfs disable all bitstream filters
174 --enable-protocol=NAME enable protocol NAME
175 --disable-protocol=NAME disable protocol NAME
176 --disable-protocols disable all protocols
177 --enable-indev=NAME enable input device NAME
178 --disable-indev=NAME disable input device NAME
179 --disable-indevs disable input devices
180 --enable-outdev=NAME enable output device NAME
181 --disable-outdev=NAME disable output device NAME
182 --disable-outdevs disable output devices
183 --disable-devices disable all devices
184 --enable-filter=NAME enable filter NAME
185 --disable-filter=NAME disable filter NAME
186 --disable-filters disable all filters
188 External library support:
190 Using any of the following switches will allow FFmpeg to link to the
191 corresponding external library. All the components depending on that library
192 will become enabled, if all their other dependencies are met and they are not
193 explicitly disabled. E.g. --enable-libwavpack will enable linking to
194 libwavpack and allow the libwavpack encoder to be built, unless it is
195 specifically disabled with --disable-encoder=libwavpack.
197 Note that only the system libraries are auto-detected. All the other external
198 libraries must be explicitly enabled.
200 Also note that the following help text describes the purpose of the libraries
201 themselves, not all their features will necessarily be usable by FFmpeg.
203 --disable-alsa disable ALSA support [autodetect]
204 --disable-appkit disable Apple AppKit framework [autodetect]
205 --disable-avfoundation disable Apple AVFoundation framework [autodetect]
206 --enable-avisynth enable reading of AviSynth script files [no]
207 --disable-bzlib disable bzlib [autodetect]
208 --disable-coreimage disable Apple CoreImage framework [autodetect]
209 --enable-chromaprint enable audio fingerprinting with chromaprint [no]
210 --enable-frei0r enable frei0r video filtering [no]
211 --enable-gcrypt enable gcrypt, needed for rtmp(t)e support
212 if openssl, librtmp or gmp is not used [no]
213 --enable-gmp enable gmp, needed for rtmp(t)e support
214 if openssl or librtmp is not used [no]
215 --enable-gnutls enable gnutls, needed for https support
216 if openssl or libtls is not used [no]
217 --disable-iconv disable iconv [autodetect]
218 --enable-jni enable JNI support [no]
219 --enable-ladspa enable LADSPA audio filtering [no]
220 --enable-libass enable libass subtitles rendering,
221 needed for subtitles and ass filter [no]
222 --enable-libbluray enable BluRay reading using libbluray [no]
223 --enable-libbs2b enable bs2b DSP library [no]
224 --enable-libcaca enable textual display using libcaca [no]
225 --enable-libcelt enable CELT decoding via libcelt [no]
226 --enable-libcdio enable audio CD grabbing with libcdio [no]
227 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
229 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
230 --enable-libflite enable flite (voice synthesis) support via libflite [no]
231 --enable-libfontconfig enable libfontconfig, useful for drawtext filter [no]
232 --enable-libfreetype enable libfreetype, needed for drawtext filter [no]
233 --enable-libfribidi enable libfribidi, improves drawtext filter [no]
234 --enable-libgme enable Game Music Emu via libgme [no]
235 --enable-libgsm enable GSM de/encoding via libgsm [no]
236 --enable-libiec61883 enable iec61883 via libiec61883 [no]
237 --enable-libilbc enable iLBC de/encoding via libilbc [no]
238 --enable-libjack enable JACK audio sound server [no]
239 --enable-libkvazaar enable HEVC encoding via libkvazaar [no]
240 --enable-libmodplug enable ModPlug via libmodplug [no]
241 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
242 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
243 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
244 --enable-libopencv enable video filtering via libopencv [no]
245 --enable-libopenh264 enable H.264 encoding via OpenH264 [no]
246 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
247 --enable-libopenmpt enable decoding tracked files via libopenmpt [no]
248 --enable-libopus enable Opus de/encoding via libopus [no]
249 --enable-libpulse enable Pulseaudio input via libpulse [no]
250 --enable-librsvg enable SVG rasterization via librsvg [no]
251 --enable-librubberband enable rubberband needed for rubberband filter [no]
252 --enable-librtmp enable RTMP[E] support via librtmp [no]
253 --enable-libshine enable fixed-point MP3 encoding via libshine [no]
254 --enable-libsmbclient enable Samba protocol via libsmbclient [no]
255 --enable-libsnappy enable Snappy compression, needed for hap encoding [no]
256 --enable-libsoxr enable Include libsoxr resampling [no]
257 --enable-libspeex enable Speex de/encoding via libspeex [no]
258 --enable-libssh enable SFTP protocol via libssh [no]
259 --enable-libtesseract enable Tesseract, needed for ocr filter [no]
260 --enable-libtheora enable Theora encoding via libtheora [no]
261 --enable-libtls enable LibreSSL (via libtls), needed for https support
262 if openssl or gnutls is not used [no]
263 --enable-libtwolame enable MP2 encoding via libtwolame [no]
264 --enable-libv4l2 enable libv4l2/v4l-utils [no]
265 --enable-libvidstab enable video stabilization using vid.stab [no]
266 --enable-libvmaf enable vmaf filter via libvmaf [no]
267 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
268 --enable-libvorbis enable Vorbis en/decoding via libvorbis,
269 native implementation exists [no]
270 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
271 --enable-libwavpack enable wavpack encoding via libwavpack [no]
272 --enable-libwebp enable WebP encoding via libwebp [no]
273 --enable-libx264 enable H.264 encoding via x264 [no]
274 --enable-libx265 enable HEVC encoding via x265 [no]
275 --enable-libxavs enable AVS encoding via xavs [no]
276 --enable-libxcb enable X11 grabbing using XCB [autodetect]
277 --enable-libxcb-shm enable X11 grabbing shm communication [autodetect]
278 --enable-libxcb-xfixes enable X11 grabbing mouse rendering [autodetect]
279 --enable-libxcb-shape enable X11 grabbing shape rendering [autodetect]
280 --enable-libxvid enable Xvid encoding via xvidcore,
281 native MPEG-4/Xvid encoder exists [no]
282 --enable-libxml2 enable XML parsing using the C library libxml2 [no]
283 --enable-libzimg enable z.lib, needed for zscale filter [no]
284 --enable-libzmq enable message passing via libzmq [no]
285 --enable-libzvbi enable teletext support via libzvbi [no]
286 --enable-lv2 enable LV2 audio filtering [no]
287 --disable-lzma disable lzma [autodetect]
288 --enable-decklink enable Blackmagic DeckLink I/O support [no]
289 --enable-libndi_newtek enable Newteck NDI I/O support [no]
290 --enable-mediacodec enable Android MediaCodec support [no]
291 --enable-libmysofa enable libmysofa, needed for sofalizer filter [no]
292 --enable-openal enable OpenAL 1.1 capture support [no]
293 --enable-opencl enable OpenCL processing [no]
294 --enable-opengl enable OpenGL rendering [no]
295 --enable-openssl enable openssl, needed for https support
296 if gnutls or libtls is not used [no]
297 --disable-sndio disable sndio support [autodetect]
298 --disable-schannel disable SChannel SSP, needed for TLS support on
299 Windows if openssl and gnutls are not used [autodetect]
300 --disable-sdl2 disable sdl2 [autodetect]
301 --disable-securetransport disable Secure Transport, needed for TLS support
302 on OSX if openssl and gnutls are not used [autodetect]
303 --disable-xlib disable xlib [autodetect]
304 --disable-zlib disable zlib [autodetect]
306 The following libraries provide various hardware acceleration features:
307 --disable-amf disable AMF video encoding code [autodetect]
308 --disable-audiotoolbox disable Apple AudioToolbox code [autodetect]
309 --disable-cuda disable dynamically linked Nvidia CUDA code [autodetect]
310 --enable-cuda-sdk enable CUDA features that require the CUDA SDK [no]
311 --disable-cuvid disable Nvidia CUVID support [autodetect]
312 --disable-d3d11va disable Microsoft Direct3D 11 video acceleration code [autodetect]
313 --disable-dxva2 disable Microsoft DirectX 9 video acceleration code [autodetect]
314 --enable-libdrm enable DRM code (Linux) [no]
315 --enable-libmfx enable Intel MediaSDK (AKA Quick Sync Video) code via libmfx [no]
316 --enable-libnpp enable Nvidia Performance Primitives-based code [no]
317 --enable-mmal enable Broadcom Multi-Media Abstraction Layer (Raspberry Pi) via MMAL [no]
318 --disable-nvdec disable Nvidia video decoding acceleration (via hwaccel) [autodetect]
319 --disable-nvenc disable Nvidia video encoding code [autodetect]
320 --enable-omx enable OpenMAX IL code [no]
321 --enable-omx-rpi enable OpenMAX IL code for Raspberry Pi [no]
322 --enable-rkmpp enable Rockchip Media Process Platform code [no]
323 --disable-v4l2-m2m disable V4L2 mem2mem code [autodetect]
324 --disable-vaapi disable Video Acceleration API (mainly Unix/Intel) code [autodetect]
325 --disable-vdpau disable Nvidia Video Decode and Presentation API for Unix code [autodetect]
326 --disable-videotoolbox disable VideoToolbox code [autodetect]
329 --arch=ARCH select architecture [$arch]
330 --cpu=CPU select the minimum required CPU (affects
331 instruction selection, may crash on older CPUs)
332 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
333 --progs-suffix=SUFFIX program name suffix []
334 --enable-cross-compile assume a cross-compiler is used
335 --sysroot=PATH root of cross-build tree
336 --sysinclude=PATH location of cross-build system headers
337 --target-os=OS compiler targets OS [$target_os]
338 --target-exec=CMD command to run executables on target
339 --target-path=DIR path to view of build directory on target
340 --target-samples=DIR path to samples directory on target
341 --tempprefix=PATH force fixed dir/prefix instead of mktemp for checks
342 --toolchain=NAME set tool defaults according to NAME
343 --nm=NM use nm tool NM [$nm_default]
344 --ar=AR use archive tool AR [$ar_default]
345 --as=AS use assembler AS [$as_default]
346 --ln_s=LN_S use symbolic link tool LN_S [$ln_s_default]
347 --strip=STRIP use strip tool STRIP [$strip_default]
348 --windres=WINDRES use windows resource compiler WINDRES [$windres_default]
349 --x86asmexe=EXE use nasm-compatible assembler EXE [$x86asmexe_default]
350 --cc=CC use C compiler CC [$cc_default]
351 --cxx=CXX use C compiler CXX [$cxx_default]
352 --objcc=OCC use ObjC compiler OCC [$cc_default]
353 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
354 --nvcc=NVCC use Nvidia CUDA compiler NVCC [$nvcc_default]
355 --ld=LD use linker LD [$ld_default]
356 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
357 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
358 --ranlib=RANLIB use ranlib RANLIB [$ranlib_default]
359 --doxygen=DOXYGEN use DOXYGEN to generate API doc [$doxygen_default]
360 --host-cc=HOSTCC use host C compiler HOSTCC
361 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
362 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
363 --host-ld=HOSTLD use host linker HOSTLD
364 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
365 --host-libs=HLIBS use libs HLIBS when linking for host
366 --host-os=OS compiler host OS [$target_os]
367 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
368 --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
369 --extra-objcflags=FLAGS add FLAGS to OBJCFLAGS [$CFLAGS]
370 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
371 --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
372 --extra-ldsoflags=ELDFLAGS add ELDFLAGS to LDSOFLAGS [$LDSOFLAGS]
373 --extra-libs=ELIBS add ELIBS [$ELIBS]
374 --extra-version=STRING version string suffix []
375 --optflags=OPTFLAGS override optimization-related compiler flags
376 --nvccflags=NVCCFLAGS override nvcc flags [$nvccflags_default]
377 --build-suffix=SUFFIX library name suffix []
378 --enable-pic build position-independent code
379 --enable-thumb compile for Thumb instruction set
380 --enable-lto use link-time optimization
381 --env="ENV=override" override the environment variables
383 Advanced options (experts only):
384 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
385 --custom-allocator=NAME use a supported custom allocator
386 --disable-symver disable symbol versioning
387 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
388 --disable-safe-bitstream-reader
389 disable buffer boundary checking in bitreaders
390 (faster, but may crash)
391 --sws-max-filter-size=N the max filter size swscale uses [$sws_max_filter_size_default]
393 Optimization options (experts only):
394 --disable-asm disable all assembly optimizations
395 --disable-altivec disable AltiVec optimizations
396 --disable-vsx disable VSX optimizations
397 --disable-power8 disable POWER8 optimizations
398 --disable-amd3dnow disable 3DNow! optimizations
399 --disable-amd3dnowext disable 3DNow! extended optimizations
400 --disable-mmx disable MMX optimizations
401 --disable-mmxext disable MMXEXT optimizations
402 --disable-sse disable SSE optimizations
403 --disable-sse2 disable SSE2 optimizations
404 --disable-sse3 disable SSE3 optimizations
405 --disable-ssse3 disable SSSE3 optimizations
406 --disable-sse4 disable SSE4 optimizations
407 --disable-sse42 disable SSE4.2 optimizations
408 --disable-avx disable AVX optimizations
409 --disable-xop disable XOP optimizations
410 --disable-fma3 disable FMA3 optimizations
411 --disable-fma4 disable FMA4 optimizations
412 --disable-avx2 disable AVX2 optimizations
413 --disable-avx512 disable AVX-512 optimizations
414 --disable-aesni disable AESNI optimizations
415 --disable-armv5te disable armv5te optimizations
416 --disable-armv6 disable armv6 optimizations
417 --disable-armv6t2 disable armv6t2 optimizations
418 --disable-vfp disable VFP optimizations
419 --disable-neon disable NEON optimizations
420 --disable-inline-asm disable use of inline assembly
421 --disable-x86asm disable use of standalone x86 assembly
422 --disable-mipsdsp disable MIPS DSP ASE R1 optimizations
423 --disable-mipsdspr2 disable MIPS DSP ASE R2 optimizations
424 --disable-msa disable MSA optimizations
425 --disable-mipsfpu disable floating point MIPS optimizations
426 --disable-mmi disable Loongson SIMD optimizations
427 --disable-fast-unaligned consider unaligned accesses slow
429 Developer options (useful when working on FFmpeg itself):
430 --disable-debug disable debugging symbols
431 --enable-debug=LEVEL set the debug level [$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
1742 # COMPONENT_LIST needs to come last to ensure correct dependency checking
1746 $EXTERNAL_LIBRARY_LIST
1747 $EXTERNAL_AUTODETECT_LIBRARY_LIST
1748 $HWACCEL_LIBRARY_LIST
1749 $HWACCEL_AUTODETECT_LIBRARY_LIST
1781 $EXTERNAL_AUTODETECT_LIBRARY_LIST
1782 $HWACCEL_AUTODETECT_LIBRARY_LIST
1824 ARCH_EXT_LIST_MIPS="
1836 ARCH_EXT_LIST_LOONGSON="
1842 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
2000 MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS
2018 GetProcessAffinityMask
2019 GetProcessMemoryInfo
2022 GetSystemTimeAsFileTime
2045 SetConsoleTextAttribute
2046 SetConsoleCtrlHandler
2054 UTGetOSTypeFromString
2066 TOOLCHAIN_FEATURES="
2078 inline_asm_direct_symbol_refs
2080 inline_asm_nonlocal_labels
2091 kCMVideoCodecType_HEVC
2094 struct_group_source_req
2095 struct_ip_mreq_source
2097 struct_msghdr_msg_flags
2099 struct_rusage_ru_maxrss
2100 struct_sctp_event_subscribe
2102 struct_sockaddr_sa_len
2103 struct_sockaddr_storage
2104 struct_stat_st_mtim_tv_nsec
2105 struct_v4l2_frmivalenum_discrete
2110 $(add_suffix _external $ARCH_EXT_LIST)
2111 $(add_suffix _inline $ARCH_EXT_LIST)
2131 opencl_vaapi_beignet
2132 opencl_vaapi_intel_media
2138 # options emitted with CONFIG_ prefix but not available on the command line
2160 frame_thread_encoder
2316 # code dependency declarations
2318 # architecture extensions
2323 armv8_deps="aarch64"
2324 neon_deps_any="aarch64 arm"
2325 intrinsics_neon_deps="neon"
2326 vfp_deps_any="aarch64 arm"
2330 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
2339 loongson2_deps="mips"
2340 loongson3_deps="mips"
2341 mips32r2_deps="mips"
2342 mips32r5_deps="mips"
2343 mips32r6_deps="mips"
2344 mips64r2_deps="mips"
2345 mips64r6_deps="mips"
2348 mipsdspr2_deps="mips"
2353 x86_64_select="i686"
2354 x86_64_suggest="fast_cmov"
2357 amd3dnowext_deps="amd3dnow"
2375 mmx_external_deps="x86asm"
2376 mmx_inline_deps="inline_asm x86"
2377 mmx_suggest="mmx_external mmx_inline"
2379 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
2380 eval dep=\$${ext}_deps
2381 eval ${ext}_external_deps='"${dep}_external"'
2382 eval ${ext}_inline_deps='"${dep}_inline"'
2383 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
2386 aligned_stack_if_any="aarch64 ppc x86"
2387 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
2388 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
2389 fast_unaligned_if_any="aarch64 ppc x86"
2390 simd_align_16_if_any="altivec neon sse"
2391 simd_align_32_if_any="avx"
2392 simd_align_64_if_any="avx512"
2394 # system capabilities
2395 symver_if_any="symver_asm_label symver_gnu_asm"
2396 valgrind_backtrace_conflict="optimizations"
2397 valgrind_backtrace_deps="valgrind_valgrind_h"
2400 atomics_gcc_if="sync_val_compare_and_swap"
2401 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
2402 atomics_win32_if="MemoryBarrier"
2403 atomics_native_if_any="$ATOMICS_LIST"
2404 w32threads_deps="atomics_native"
2405 threads_if_any="$THREADS_LIST"
2408 cbs_h264_select="cbs golomb"
2409 cbs_h265_select="cbs golomb"
2410 cbs_mpeg2_select="cbs"
2412 dirac_parse_select="golomb"
2413 error_resilience_select="me_cmp"
2415 faandct_select="fdctdsp"
2416 faanidct_deps="faan"
2417 faanidct_select="idctdsp"
2418 h264dsp_select="startcode"
2419 hevcparse_select="golomb"
2420 frame_thread_encoder_deps="encoders threads"
2421 intrax8_select="blockdsp idctdsp"
2424 me_cmp_select="fdctdsp idctdsp pixblockdsp"
2425 mpeg_er_select="error_resilience"
2426 mpegaudio_select="mpegaudiodsp mpegaudioheader"
2427 mpegaudiodsp_select="dct"
2428 mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp mpeg_er videodsp"
2429 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
2430 vc1dsp_select="h264chroma qpeldsp startcode"
2433 # decoders / encoders
2434 aac_decoder_select="adts_header mdct15 mdct sinewin"
2435 aac_fixed_decoder_select="mdct sinewin"
2436 aac_encoder_select="audio_frame_queue iirfilter lpc mdct sinewin"
2437 aac_latm_decoder_select="aac_decoder aac_latm_parser"
2438 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
2439 ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"
2440 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
2441 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
2442 adpcm_g722_decoder_select="g722dsp"
2443 adpcm_g722_encoder_select="g722dsp"
2444 aic_decoder_select="golomb idctdsp"
2445 alac_encoder_select="lpc"
2446 als_decoder_select="bswapdsp"
2447 amrnb_decoder_select="lsp"
2448 amrwb_decoder_select="lsp"
2449 amv_decoder_select="sp5x_decoder exif"
2450 amv_encoder_select="aandcttables jpegtables mpegvideoenc"
2451 ape_decoder_select="bswapdsp llauddsp"
2452 apng_decoder_deps="zlib"
2453 apng_encoder_deps="zlib"
2454 apng_encoder_select="llvidencdsp"
2455 aptx_decoder_select="audio_frame_queue"
2456 aptx_encoder_select="audio_frame_queue"
2457 asv1_decoder_select="blockdsp bswapdsp idctdsp"
2458 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
2459 asv2_decoder_select="blockdsp bswapdsp idctdsp"
2460 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
2461 atrac1_decoder_select="mdct sinewin"
2462 atrac3_decoder_select="mdct"
2463 atrac3p_decoder_select="mdct sinewin"
2464 avrn_decoder_select="exif jpegtables"
2465 bink_decoder_select="blockdsp hpeldsp"
2466 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
2467 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
2468 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
2469 clearvideo_decoder_select="idctdsp"
2470 cllc_decoder_select="bswapdsp"
2471 comfortnoise_encoder_select="lpc"
2472 cook_decoder_select="audiodsp mdct sinewin"
2473 cscd_decoder_select="lzo"
2474 cscd_decoder_suggest="zlib"
2475 dca_decoder_select="mdct"
2476 dds_decoder_select="texturedsp"
2477 dirac_decoder_select="dirac_parse dwt golomb videodsp mpegvideoenc"
2478 dnxhd_decoder_select="blockdsp idctdsp"
2479 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
2480 dolby_e_decoder_select="mdct"
2481 dvvideo_decoder_select="dvprofile idctdsp"
2482 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
2483 dxa_decoder_deps="zlib"
2484 dxv_decoder_select="lzf texturedsp"
2485 eac3_decoder_select="ac3_decoder"
2486 eac3_encoder_select="ac3_encoder"
2487 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
2488 eatgq_decoder_select="aandcttables"
2489 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp"
2490 exr_decoder_deps="zlib"
2491 ffv1_decoder_select="rangecoder"
2492 ffv1_encoder_select="rangecoder"
2493 ffvhuff_decoder_select="huffyuv_decoder"
2494 ffvhuff_encoder_select="huffyuv_encoder"
2495 fic_decoder_select="golomb"
2496 flac_decoder_select="flacdsp"
2497 flac_encoder_select="bswapdsp flacdsp lpc"
2498 flashsv2_decoder_deps="zlib"
2499 flashsv2_encoder_deps="zlib"
2500 flashsv_decoder_deps="zlib"
2501 flashsv_encoder_deps="zlib"
2502 flv_decoder_select="h263_decoder"
2503 flv_encoder_select="h263_encoder"
2504 fourxm_decoder_select="blockdsp bswapdsp"
2505 fraps_decoder_select="bswapdsp huffman"
2506 g2m_decoder_deps="zlib"
2507 g2m_decoder_select="blockdsp idctdsp jpegtables"
2508 g729_decoder_select="audiodsp"
2509 h261_decoder_select="mpegvideo"
2510 h261_encoder_select="aandcttables mpegvideoenc"
2511 h263_decoder_select="h263_parser h263dsp mpegvideo qpeldsp"
2512 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
2513 h263i_decoder_select="h263_decoder"
2514 h263p_decoder_select="h263_decoder"
2515 h263p_encoder_select="h263_encoder"
2516 h264_decoder_select="cabac golomb h264chroma h264dsp h264parse h264pred h264qpel videodsp"
2517 h264_decoder_suggest="error_resilience"
2518 hap_decoder_select="snappy texturedsp"
2519 hap_encoder_deps="libsnappy"
2520 hap_encoder_select="texturedspenc"
2521 hevc_decoder_select="bswapdsp cabac golomb hevcparse videodsp"
2522 huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"
2523 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llvidencdsp"
2524 iac_decoder_select="imc_decoder"
2525 imc_decoder_select="bswapdsp fft mdct sinewin"
2526 indeo3_decoder_select="hpeldsp"
2527 indeo4_decoder_select="ividsp"
2528 indeo5_decoder_select="ividsp"
2529 interplay_video_decoder_select="hpeldsp"
2530 jpegls_decoder_select="mjpeg_decoder"
2531 jv_decoder_select="blockdsp"
2532 lagarith_decoder_select="llviddsp"
2533 ljpeg_encoder_select="aandcttables idctdsp jpegtables mpegvideoenc"
2534 magicyuv_decoder_select="llviddsp"
2535 magicyuv_encoder_select="llvidencdsp"
2536 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2537 metasound_decoder_select="lsp mdct sinewin"
2538 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2539 mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"
2540 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
2541 mjpegb_decoder_select="mjpeg_decoder"
2542 mlp_decoder_select="mlp_parser"
2543 mlp_encoder_select="lpc"
2544 motionpixels_decoder_select="bswapdsp"
2545 mp1_decoder_select="mpegaudio"
2546 mp1float_decoder_select="mpegaudio"
2547 mp2_decoder_select="mpegaudio"
2548 mp2float_decoder_select="mpegaudio"
2549 mp3_decoder_select="mpegaudio"
2550 mp3adu_decoder_select="mpegaudio"
2551 mp3adufloat_decoder_select="mpegaudio"
2552 mp3float_decoder_select="mpegaudio"
2553 mp3on4_decoder_select="mpegaudio"
2554 mp3on4float_decoder_select="mpegaudio"
2555 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2556 mpc8_decoder_select="mpegaudiodsp"
2557 mpegvideo_decoder_select="mpegvideo"
2558 mpeg1video_decoder_select="mpegvideo"
2559 mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"
2560 mpeg2video_decoder_select="mpegvideo"
2561 mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"
2562 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2563 mpeg4_encoder_select="h263_encoder"
2564 msa1_decoder_select="mss34dsp"
2565 mscc_decoder_deps="zlib"
2566 msmpeg4v1_decoder_select="h263_decoder"
2567 msmpeg4v2_decoder_select="h263_decoder"
2568 msmpeg4v2_encoder_select="h263_encoder"
2569 msmpeg4v3_decoder_select="h263_decoder"
2570 msmpeg4v3_encoder_select="h263_encoder"
2571 mss2_decoder_select="mpegvideo qpeldsp vc1_decoder"
2572 mts2_decoder_select="mss34dsp"
2573 mxpeg_decoder_select="mjpeg_decoder"
2574 nellymoser_decoder_select="mdct sinewin"
2575 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2576 nuv_decoder_select="idctdsp lzo"
2577 on2avc_decoder_select="mdct"
2578 opus_decoder_deps="swresample"
2579 opus_decoder_select="mdct15"
2580 opus_encoder_select="audio_frame_queue mdct15"
2581 png_decoder_deps="zlib"
2582 png_encoder_deps="zlib"
2583 png_encoder_select="llvidencdsp"
2584 prores_decoder_select="blockdsp idctdsp"
2585 prores_encoder_select="fdctdsp"
2586 qcelp_decoder_select="lsp"
2587 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2588 ra_144_decoder_select="audiodsp"
2589 ra_144_encoder_select="audio_frame_queue lpc audiodsp"
2590 ralf_decoder_select="golomb"
2591 rawvideo_decoder_select="bswapdsp"
2592 rscc_decoder_deps="zlib"
2593 rtjpeg_decoder_select="me_cmp"
2594 rv10_decoder_select="h263_decoder"
2595 rv10_encoder_select="h263_encoder"
2596 rv20_decoder_select="h263_decoder"
2597 rv20_encoder_select="h263_encoder"
2598 rv30_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2599 rv40_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2600 screenpresso_decoder_deps="zlib"
2601 shorten_decoder_select="bswapdsp"
2602 sipr_decoder_select="lsp"
2603 snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"
2604 snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"
2605 sonic_decoder_select="golomb rangecoder"
2606 sonic_encoder_select="golomb rangecoder"
2607 sonic_ls_encoder_select="golomb rangecoder"
2608 sp5x_decoder_select="mjpeg_decoder"
2609 srgc_decoder_deps="zlib"
2610 svq1_decoder_select="hpeldsp"
2611 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2612 svq3_decoder_select="golomb h264dsp h264parse h264pred hpeldsp tpeldsp videodsp"
2613 svq3_decoder_suggest="zlib"
2614 tak_decoder_select="audiodsp"
2615 tdsc_decoder_deps="zlib"
2616 tdsc_decoder_select="mjpeg_decoder"
2617 theora_decoder_select="vp3_decoder"
2618 thp_decoder_select="mjpeg_decoder"
2619 tiff_decoder_suggest="zlib lzma"
2620 tiff_encoder_suggest="zlib"
2621 truehd_decoder_select="mlp_parser"
2622 truehd_encoder_select="lpc"
2623 truemotion2_decoder_select="bswapdsp"
2624 truespeech_decoder_select="bswapdsp"
2625 tscc_decoder_deps="zlib"
2626 twinvq_decoder_select="mdct lsp sinewin"
2627 txd_decoder_select="texturedsp"
2628 utvideo_decoder_select="bswapdsp llviddsp"
2629 utvideo_encoder_select="bswapdsp huffman llvidencdsp"
2630 vble_decoder_select="llviddsp"
2631 vc1_decoder_select="blockdsp h263_decoder h264qpel intrax8 mpegvideo vc1dsp"
2632 vc1image_decoder_select="vc1_decoder"
2633 vorbis_decoder_select="mdct"
2634 vorbis_encoder_select="mdct"
2635 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2636 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"
2637 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"
2638 vp6a_decoder_select="vp6_decoder"
2639 vp6f_decoder_select="vp6_decoder"
2640 vp7_decoder_select="h264pred videodsp vp8dsp"
2641 vp8_decoder_select="h264pred videodsp vp8dsp"
2642 vp9_decoder_select="videodsp vp9_parser vp9_superframe_split_bsf"
2643 webp_decoder_select="vp8_decoder exif"
2644 wmalossless_decoder_select="llauddsp"
2645 wmapro_decoder_select="mdct sinewin wma_freqs"
2646 wmav1_decoder_select="mdct sinewin wma_freqs"
2647 wmav1_encoder_select="mdct sinewin wma_freqs"
2648 wmav2_decoder_select="mdct sinewin wma_freqs"
2649 wmav2_encoder_select="mdct sinewin wma_freqs"
2650 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2651 wmv1_decoder_select="h263_decoder"
2652 wmv1_encoder_select="h263_encoder"
2653 wmv2_decoder_select="blockdsp error_resilience h263_decoder idctdsp intrax8 videodsp wmv2dsp"
2654 wmv2_encoder_select="h263_encoder wmv2dsp"
2655 wmv3_decoder_select="vc1_decoder"
2656 wmv3image_decoder_select="wmv3_decoder"
2657 xma1_decoder_select="wmapro_decoder"
2658 xma2_decoder_select="wmapro_decoder"
2659 zerocodec_decoder_deps="zlib"
2660 zlib_decoder_deps="zlib"
2661 zlib_encoder_deps="zlib"
2662 zmbv_decoder_deps="zlib"
2663 zmbv_encoder_deps="zlib"
2665 # hardware accelerators
2666 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
2667 cuda_deps_any="libdl LoadLibrary"
2669 d3d11va_deps="dxva_h ID3D11VideoDecoder ID3D11VideoContext"
2670 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode ole32 user32"
2672 videotoolbox_hwaccel_deps="videotoolbox pthreads"
2673 videotoolbox_hwaccel_extralibs="-framework QuartzCore"
2674 xvmc_deps="X11_extensions_XvMClib_h"
2676 h263_vaapi_hwaccel_deps="vaapi"
2677 h263_vaapi_hwaccel_select="h263_decoder"
2678 h263_videotoolbox_hwaccel_deps="videotoolbox"
2679 h263_videotoolbox_hwaccel_select="h263_decoder"
2680 h264_d3d11va_hwaccel_deps="d3d11va"
2681 h264_d3d11va_hwaccel_select="h264_decoder"
2682 h264_d3d11va2_hwaccel_deps="d3d11va"
2683 h264_d3d11va2_hwaccel_select="h264_decoder"
2684 h264_dxva2_hwaccel_deps="dxva2"
2685 h264_dxva2_hwaccel_select="h264_decoder"
2686 h264_nvdec_hwaccel_deps="nvdec"
2687 h264_nvdec_hwaccel_select="h264_decoder"
2688 h264_vaapi_hwaccel_deps="vaapi"
2689 h264_vaapi_hwaccel_select="h264_decoder"
2690 h264_vdpau_hwaccel_deps="vdpau"
2691 h264_vdpau_hwaccel_select="h264_decoder"
2692 h264_videotoolbox_hwaccel_deps="videotoolbox"
2693 h264_videotoolbox_hwaccel_select="h264_decoder"
2694 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2695 hevc_d3d11va_hwaccel_select="hevc_decoder"
2696 hevc_d3d11va2_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2697 hevc_d3d11va2_hwaccel_select="hevc_decoder"
2698 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2699 hevc_dxva2_hwaccel_select="hevc_decoder"
2700 hevc_nvdec_hwaccel_deps="nvdec"
2701 hevc_nvdec_hwaccel_select="hevc_decoder"
2702 hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC"
2703 hevc_vaapi_hwaccel_select="hevc_decoder"
2704 hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"
2705 hevc_vdpau_hwaccel_select="hevc_decoder"
2706 hevc_videotoolbox_hwaccel_deps="videotoolbox"
2707 hevc_videotoolbox_hwaccel_select="hevc_decoder"
2708 mpeg_xvmc_hwaccel_deps="xvmc"
2709 mpeg_xvmc_hwaccel_select="mpeg2video_decoder"
2710 mpeg1_nvdec_hwaccel_deps="nvdec"
2711 mpeg1_nvdec_hwaccel_select="mpeg1video_decoder"
2712 mpeg1_vdpau_hwaccel_deps="vdpau"
2713 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2714 mpeg1_videotoolbox_hwaccel_deps="videotoolbox"
2715 mpeg1_videotoolbox_hwaccel_select="mpeg1video_decoder"
2716 mpeg1_xvmc_hwaccel_deps="xvmc"
2717 mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"
2718 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2719 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2720 mpeg2_d3d11va2_hwaccel_deps="d3d11va"
2721 mpeg2_d3d11va2_hwaccel_select="mpeg2video_decoder"
2722 mpeg2_dxva2_hwaccel_deps="dxva2"
2723 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2724 mpeg2_nvdec_hwaccel_deps="nvdec"
2725 mpeg2_nvdec_hwaccel_select="mpeg2video_decoder"
2726 mpeg2_vaapi_hwaccel_deps="vaapi"
2727 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2728 mpeg2_vdpau_hwaccel_deps="vdpau"
2729 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2730 mpeg2_videotoolbox_hwaccel_deps="videotoolbox"
2731 mpeg2_videotoolbox_hwaccel_select="mpeg2video_decoder"
2732 mpeg2_xvmc_hwaccel_deps="xvmc"
2733 mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"
2734 mpeg4_nvdec_hwaccel_deps="nvdec"
2735 mpeg4_nvdec_hwaccel_select="mpeg4_decoder"
2736 mpeg4_vaapi_hwaccel_deps="vaapi"
2737 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2738 mpeg4_vdpau_hwaccel_deps="vdpau"
2739 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2740 mpeg4_videotoolbox_hwaccel_deps="videotoolbox"
2741 mpeg4_videotoolbox_hwaccel_select="mpeg4_decoder"
2742 vc1_d3d11va_hwaccel_deps="d3d11va"
2743 vc1_d3d11va_hwaccel_select="vc1_decoder"
2744 vc1_d3d11va2_hwaccel_deps="d3d11va"
2745 vc1_d3d11va2_hwaccel_select="vc1_decoder"
2746 vc1_dxva2_hwaccel_deps="dxva2"
2747 vc1_dxva2_hwaccel_select="vc1_decoder"
2748 vc1_nvdec_hwaccel_deps="nvdec"
2749 vc1_nvdec_hwaccel_select="vc1_decoder"
2750 vc1_vaapi_hwaccel_deps="vaapi"
2751 vc1_vaapi_hwaccel_select="vc1_decoder"
2752 vc1_vdpau_hwaccel_deps="vdpau"
2753 vc1_vdpau_hwaccel_select="vc1_decoder"
2754 vp8_nvdec_hwaccel_deps="nvdec"
2755 vp8_nvdec_hwaccel_select="vp8_decoder"
2756 vp8_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferVP8"
2757 vp8_vaapi_hwaccel_select="vp8_decoder"
2758 vp9_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_VP9"
2759 vp9_d3d11va_hwaccel_select="vp9_decoder"
2760 vp9_d3d11va2_hwaccel_deps="d3d11va DXVA_PicParams_VP9"
2761 vp9_d3d11va2_hwaccel_select="vp9_decoder"
2762 vp9_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_VP9"
2763 vp9_dxva2_hwaccel_select="vp9_decoder"
2764 vp9_nvdec_hwaccel_deps="nvdec"
2765 vp9_nvdec_hwaccel_select="vp9_decoder"
2766 vp9_vaapi_hwaccel_deps="vaapi VADecPictureParameterBufferVP9_bit_depth"
2767 vp9_vaapi_hwaccel_select="vp9_decoder"
2768 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2769 wmv3_d3d11va2_hwaccel_select="vc1_d3d11va2_hwaccel"
2770 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2771 wmv3_nvdec_hwaccel_select="vc1_nvdec_hwaccel"
2772 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2773 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2775 # hardware-accelerated codecs
2776 omx_deps="libdl pthreads"
2777 omx_rpi_select="omx"
2782 vaapi_encode_deps="vaapi"
2783 v4l2_m2m_deps_any="linux_videodev2_h"
2785 hwupload_cuda_filter_deps="cuda"
2786 scale_npp_filter_deps="cuda libnpp"
2787 scale_cuda_filter_deps="cuda_sdk"
2788 thumbnail_cuda_filter_deps="cuda_sdk"
2790 amf_deps_any="libdl LoadLibrary"
2792 nvenc_deps_any="libdl LoadLibrary"
2793 nvenc_encoder_deps="nvenc"
2795 h263_v4l2m2m_decoder_deps="v4l2_m2m h263_v4l2_m2m"
2796 h263_v4l2m2m_encoder_deps="v4l2_m2m h263_v4l2_m2m"
2797 h264_amf_encoder_deps="amf"
2798 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
2799 h264_cuvid_decoder_deps="cuvid"
2800 h264_cuvid_decoder_select="h264_mp4toannexb_bsf"
2801 h264_mediacodec_decoder_deps="mediacodec"
2802 h264_mediacodec_decoder_select="h264_mp4toannexb_bsf h264_parser"
2803 h264_mmal_decoder_deps="mmal"
2804 h264_nvenc_encoder_deps="nvenc"
2805 h264_omx_encoder_deps="omx"
2806 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec"
2807 h264_qsv_encoder_select="qsvenc"
2808 h264_rkmpp_decoder_deps="rkmpp"
2809 h264_rkmpp_decoder_select="h264_mp4toannexb_bsf"
2810 h264_vaapi_encoder_deps="VAEncPictureParameterBufferH264"
2811 h264_vaapi_encoder_select="cbs_h264 vaapi_encode"
2812 h264_v4l2m2m_decoder_deps="v4l2_m2m h264_v4l2_m2m"
2813 h264_v4l2m2m_encoder_deps="v4l2_m2m h264_v4l2_m2m"
2814 hevc_amf_encoder_deps="amf"
2815 hevc_cuvid_decoder_deps="cuvid"
2816 hevc_cuvid_decoder_select="hevc_mp4toannexb_bsf"
2817 hevc_mediacodec_decoder_deps="mediacodec"
2818 hevc_mediacodec_decoder_select="hevc_mp4toannexb_bsf hevc_parser"
2819 hevc_nvenc_encoder_deps="nvenc"
2820 hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec"
2821 hevc_qsv_encoder_select="hevcparse qsvenc"
2822 hevc_rkmpp_decoder_deps="rkmpp"
2823 hevc_rkmpp_decoder_select="hevc_mp4toannexb_bsf"
2824 hevc_vaapi_encoder_deps="VAEncPictureParameterBufferHEVC"
2825 hevc_vaapi_encoder_select="cbs_h265 vaapi_encode"
2826 hevc_v4l2m2m_decoder_deps="v4l2_m2m hevc_v4l2_m2m"
2827 hevc_v4l2m2m_encoder_deps="v4l2_m2m hevc_v4l2_m2m"
2828 mjpeg_cuvid_decoder_deps="cuvid"
2829 mjpeg_qsv_encoder_deps="libmfx"
2830 mjpeg_qsv_encoder_select="qsvenc"
2831 mjpeg_vaapi_encoder_deps="VAEncPictureParameterBufferJPEG"
2832 mjpeg_vaapi_encoder_select="vaapi_encode jpegtables"
2833 mpeg1_cuvid_decoder_deps="cuvid"
2834 mpeg1_v4l2m2m_decoder_deps="v4l2_m2m mpeg1_v4l2_m2m"
2835 mpeg2_crystalhd_decoder_select="crystalhd"
2836 mpeg2_cuvid_decoder_deps="cuvid"
2837 mpeg2_mmal_decoder_deps="mmal"
2838 mpeg2_mediacodec_decoder_deps="mediacodec"
2839 mpeg2_qsv_decoder_select="qsvdec mpegvideo_parser"
2840 mpeg2_qsv_encoder_select="qsvenc"
2841 mpeg2_vaapi_encoder_deps="VAEncPictureParameterBufferMPEG2"
2842 mpeg2_vaapi_encoder_select="cbs_mpeg2 vaapi_encode"
2843 mpeg2_v4l2m2m_decoder_deps="v4l2_m2m mpeg2_v4l2_m2m"
2844 mpeg4_crystalhd_decoder_select="crystalhd"
2845 mpeg4_cuvid_decoder_deps="cuvid"
2846 mpeg4_mediacodec_decoder_deps="mediacodec"
2847 mpeg4_mmal_decoder_deps="mmal"
2848 mpeg4_omx_encoder_deps="omx"
2849 mpeg4_v4l2m2m_decoder_deps="v4l2_m2m mpeg4_v4l2_m2m"
2850 mpeg4_v4l2m2m_encoder_deps="v4l2_m2m mpeg4_v4l2_m2m"
2851 msmpeg4_crystalhd_decoder_select="crystalhd"
2852 nvenc_h264_encoder_select="h264_nvenc_encoder"
2853 nvenc_hevc_encoder_select="hevc_nvenc_encoder"
2854 vc1_crystalhd_decoder_select="crystalhd"
2855 vc1_cuvid_decoder_deps="cuvid"
2856 vc1_mmal_decoder_deps="mmal"
2857 vc1_qsv_decoder_select="qsvdec vc1_parser"
2858 vc1_v4l2m2m_decoder_deps="v4l2_m2m vc1_v4l2_m2m"
2859 vp8_cuvid_decoder_deps="cuvid"
2860 vp8_mediacodec_decoder_deps="mediacodec"
2861 vp8_qsv_decoder_select="qsvdec vp8_parser"
2862 vp8_rkmpp_decoder_deps="rkmpp"
2863 vp8_vaapi_encoder_deps="VAEncPictureParameterBufferVP8"
2864 vp8_vaapi_encoder_select="vaapi_encode"
2865 vp8_v4l2m2m_decoder_deps="v4l2_m2m vp8_v4l2_m2m"
2866 vp8_v4l2m2m_encoder_deps="v4l2_m2m vp8_v4l2_m2m"
2867 vp9_cuvid_decoder_deps="cuvid"
2868 vp9_mediacodec_decoder_deps="mediacodec"
2869 vp9_rkmpp_decoder_deps="rkmpp"
2870 vp9_vaapi_encoder_deps="VAEncPictureParameterBufferVP9"
2871 vp9_vaapi_encoder_select="vaapi_encode"
2872 vp9_v4l2m2m_decoder_deps="v4l2_m2m vp9_v4l2_m2m"
2873 wmv3_crystalhd_decoder_select="crystalhd"
2876 aac_parser_select="adts_header"
2877 h264_parser_select="golomb h264dsp h264parse"
2878 hevc_parser_select="hevcparse"
2879 mpegaudio_parser_select="mpegaudioheader"
2880 mpegvideo_parser_select="mpegvideo"
2881 mpeg4video_parser_select="h263dsp mpegvideo qpeldsp"
2882 vc1_parser_select="vc1dsp"
2885 aac_adtstoasc_bsf_select="adts_header"
2886 h264_metadata_bsf_select="cbs_h264"
2887 h264_redundant_pps_bsf_select="cbs_h264"
2888 hevc_metadata_bsf_select="cbs_h265"
2889 mjpeg2jpeg_bsf_select="jpegtables"
2890 mpeg2_metadata_bsf_select="cbs_mpeg2"
2891 trace_headers_bsf_select="cbs_h264 cbs_h265 cbs_mpeg2"
2893 # external libraries
2894 aac_at_decoder_deps="audiotoolbox"
2895 aac_at_decoder_select="aac_adtstoasc_bsf"
2896 ac3_at_decoder_deps="audiotoolbox"
2897 ac3_at_decoder_select="ac3_parser"
2898 adpcm_ima_qt_at_decoder_deps="audiotoolbox"
2899 alac_at_decoder_deps="audiotoolbox"
2900 amr_nb_at_decoder_deps="audiotoolbox"
2901 avisynth_deps_any="libdl LoadLibrary"
2902 avisynth_demuxer_deps="avisynth"
2903 avisynth_demuxer_select="riffdec"
2904 eac3_at_decoder_deps="audiotoolbox"
2905 eac3_at_decoder_select="ac3_parser"
2906 gsm_ms_at_decoder_deps="audiotoolbox"
2907 ilbc_at_decoder_deps="audiotoolbox"
2908 mp1_at_decoder_deps="audiotoolbox"
2909 mp2_at_decoder_deps="audiotoolbox"
2910 mp3_at_decoder_deps="audiotoolbox"
2911 mp1_at_decoder_select="mpegaudioheader"
2912 mp2_at_decoder_select="mpegaudioheader"
2913 mp3_at_decoder_select="mpegaudioheader"
2914 pcm_alaw_at_decoder_deps="audiotoolbox"
2915 pcm_mulaw_at_decoder_deps="audiotoolbox"
2916 qdmc_at_decoder_deps="audiotoolbox"
2917 qdm2_at_decoder_deps="audiotoolbox"
2918 aac_at_encoder_deps="audiotoolbox"
2919 aac_at_encoder_select="audio_frame_queue"
2920 alac_at_encoder_deps="audiotoolbox"
2921 alac_at_encoder_select="audio_frame_queue"
2922 ilbc_at_encoder_deps="audiotoolbox"
2923 ilbc_at_encoder_select="audio_frame_queue"
2924 pcm_alaw_at_encoder_deps="audiotoolbox"
2925 pcm_alaw_at_encoder_select="audio_frame_queue"
2926 pcm_mulaw_at_encoder_deps="audiotoolbox"
2927 pcm_mulaw_at_encoder_select="audio_frame_queue"
2928 chromaprint_muxer_deps="chromaprint"
2929 h264_videotoolbox_encoder_deps="pthreads"
2930 h264_videotoolbox_encoder_select="videotoolbox_encoder"
2931 hevc_videotoolbox_encoder_deps="pthreads"
2932 hevc_videotoolbox_encoder_select="videotoolbox_encoder"
2933 libcelt_decoder_deps="libcelt"
2934 libfdk_aac_decoder_deps="libfdk_aac"
2935 libfdk_aac_encoder_deps="libfdk_aac"
2936 libfdk_aac_encoder_select="audio_frame_queue"
2937 libgme_demuxer_deps="libgme"
2938 libgsm_decoder_deps="libgsm"
2939 libgsm_encoder_deps="libgsm"
2940 libgsm_ms_decoder_deps="libgsm"
2941 libgsm_ms_encoder_deps="libgsm"
2942 libilbc_decoder_deps="libilbc"
2943 libilbc_encoder_deps="libilbc"
2944 libkvazaar_encoder_deps="libkvazaar"
2945 libmodplug_demuxer_deps="libmodplug"
2946 libmp3lame_encoder_deps="libmp3lame"
2947 libmp3lame_encoder_select="audio_frame_queue mpegaudioheader"
2948 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2949 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2950 libopencore_amrnb_encoder_select="audio_frame_queue"
2951 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2952 libopenh264_decoder_deps="libopenh264"
2953 libopenh264_decoder_select="h264_mp4toannexb_bsf"
2954 libopenh264_encoder_deps="libopenh264"
2955 libopenjpeg_decoder_deps="libopenjpeg"
2956 libopenjpeg_encoder_deps="libopenjpeg"
2957 libopenmpt_demuxer_deps="libopenmpt"
2958 libopus_decoder_deps="libopus"
2959 libopus_encoder_deps="libopus"
2960 libopus_encoder_select="audio_frame_queue"
2961 librsvg_decoder_deps="librsvg"
2962 libshine_encoder_deps="libshine"
2963 libshine_encoder_select="audio_frame_queue"
2964 libspeex_decoder_deps="libspeex"
2965 libspeex_encoder_deps="libspeex"
2966 libspeex_encoder_select="audio_frame_queue"
2967 libtheora_encoder_deps="libtheora"
2968 libtwolame_encoder_deps="libtwolame"
2969 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2970 libvorbis_decoder_deps="libvorbis"
2971 libvorbis_encoder_deps="libvorbis libvorbisenc"
2972 libvorbis_encoder_select="audio_frame_queue"
2973 libvpx_vp8_decoder_deps="libvpx"
2974 libvpx_vp8_encoder_deps="libvpx"
2975 libvpx_vp9_decoder_deps="libvpx"
2976 libvpx_vp9_encoder_deps="libvpx"
2977 libwavpack_encoder_deps="libwavpack"
2978 libwavpack_encoder_select="audio_frame_queue"
2979 libwebp_encoder_deps="libwebp"
2980 libwebp_anim_encoder_deps="libwebp"
2981 libx262_encoder_deps="libx262"
2982 libx264_encoder_deps="libx264"
2983 libx264rgb_encoder_deps="libx264 x264_csp_bgr"
2984 libx264rgb_encoder_select="libx264_encoder"
2985 libx265_encoder_deps="libx265"
2986 libxavs_encoder_deps="libxavs"
2987 libxvid_encoder_deps="libxvid"
2988 libzvbi_teletext_decoder_deps="libzvbi"
2989 videotoolbox_suggest="coreservices"
2990 videotoolbox_deps="corefoundation coremedia corevideo"
2991 videotoolbox_encoder_deps="videotoolbox VTCompressionSessionPrepareToEncodeFrames"
2994 ac3_demuxer_select="ac3_parser"
2995 aiff_muxer_select="iso_media"
2996 asf_demuxer_select="riffdec"
2997 asf_o_demuxer_select="riffdec"
2998 asf_muxer_select="riffenc"
2999 asf_stream_muxer_select="asf_muxer"
3000 avi_demuxer_select="iso_media riffdec exif"
3001 avi_muxer_select="riffenc"
3002 caf_demuxer_select="iso_media riffdec"
3003 caf_muxer_select="iso_media"
3004 dash_muxer_select="mp4_muxer"
3005 dash_demuxer_deps="libxml2"
3006 dirac_demuxer_select="dirac_parser"
3007 dts_demuxer_select="dca_parser"
3008 dtshd_demuxer_select="dca_parser"
3009 dv_demuxer_select="dvprofile"
3010 dv_muxer_select="dvprofile"
3011 dxa_demuxer_select="riffdec"
3012 eac3_demuxer_select="ac3_parser"
3013 f4v_muxer_select="mov_muxer"
3014 fifo_muxer_deps="threads"
3015 flac_demuxer_select="flac_parser"
3016 hds_muxer_select="flv_muxer"
3017 hls_muxer_select="mpegts_muxer"
3018 hls_muxer_suggest="gcrypt openssl"
3019 image2_alias_pix_demuxer_select="image2_demuxer"
3020 image2_brender_pix_demuxer_select="image2_demuxer"
3021 ipod_muxer_select="mov_muxer"
3022 ismv_muxer_select="mov_muxer"
3023 matroska_audio_muxer_select="matroska_muxer"
3024 matroska_demuxer_select="iso_media riffdec"
3025 matroska_demuxer_suggest="bzlib lzo zlib"
3026 matroska_muxer_select="iso_media riffenc"
3027 mmf_muxer_select="riffenc"
3028 mov_demuxer_select="iso_media riffdec"
3029 mov_demuxer_suggest="zlib"
3030 mov_muxer_select="iso_media riffenc rtpenc_chain"
3031 mp3_demuxer_select="mpegaudio_parser"
3032 mp3_muxer_select="mpegaudioheader"
3033 mp4_muxer_select="mov_muxer"
3034 mpegts_demuxer_select="iso_media"
3035 mpegts_muxer_select="adts_muxer latm_muxer"
3036 mpegtsraw_demuxer_select="mpegts_demuxer"
3037 mxf_d10_muxer_select="mxf_muxer"
3038 mxf_opatom_muxer_select="mxf_muxer"
3039 nut_muxer_select="riffenc"
3040 nuv_demuxer_select="riffdec"
3041 oga_muxer_select="ogg_muxer"
3042 ogg_demuxer_select="dirac_parse"
3043 ogv_muxer_select="ogg_muxer"
3044 opus_muxer_select="ogg_muxer"
3045 psp_muxer_select="mov_muxer"
3046 rtp_demuxer_select="sdp_demuxer"
3047 rtp_muxer_select="golomb"
3048 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol srtp"
3049 rtsp_demuxer_select="http_protocol rtpdec"
3050 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
3051 sap_demuxer_select="sdp_demuxer"
3052 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
3053 sdp_demuxer_select="rtpdec"
3054 smoothstreaming_muxer_select="ismv_muxer"
3055 spdif_demuxer_select="adts_header"
3056 spdif_muxer_select="adts_header"
3057 spx_muxer_select="ogg_muxer"
3058 swf_demuxer_suggest="zlib"
3059 tak_demuxer_select="tak_parser"
3060 tg2_muxer_select="mov_muxer"
3061 tgp_muxer_select="mov_muxer"
3062 vobsub_demuxer_select="mpegps_demuxer"
3063 w64_demuxer_select="wav_demuxer"
3064 w64_muxer_select="wav_muxer"
3065 wav_demuxer_select="riffdec"
3066 wav_muxer_select="riffenc"
3067 webm_muxer_select="iso_media riffenc"
3068 webm_dash_manifest_demuxer_select="matroska_demuxer"
3069 wtv_demuxer_select="mpegts_demuxer riffdec"
3070 wtv_muxer_select="mpegts_muxer riffenc"
3071 xmv_demuxer_select="riffdec"
3072 xwma_demuxer_select="riffdec"
3075 alsa_indev_deps="alsa"
3076 alsa_outdev_deps="alsa"
3077 avfoundation_indev_deps="avfoundation corevideo coremedia pthreads"
3078 avfoundation_indev_suggest="coregraphics applicationservices"
3079 avfoundation_indev_extralibs="-framework Foundation"
3080 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
3081 caca_outdev_deps="libcaca"
3082 decklink_deps_any="libdl LoadLibrary"
3083 decklink_indev_deps="decklink threads"
3084 decklink_indev_extralibs="-lstdc++"
3085 decklink_outdev_deps="decklink threads"
3086 decklink_outdev_extralibs="-lstdc++"
3087 libndi_newtek_indev_deps="libndi_newtek"
3088 libndi_newtek_indev_extralibs="-lndi"
3089 libndi_newtek_outdev_deps="libndi_newtek"
3090 libndi_newtek_outdev_extralibs="-lndi"
3091 dshow_indev_deps="IBaseFilter"
3092 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"
3093 fbdev_indev_deps="linux_fb_h"
3094 fbdev_outdev_deps="linux_fb_h"
3095 gdigrab_indev_deps="CreateDIBSection"
3096 gdigrab_indev_extralibs="-lgdi32"
3097 gdigrab_indev_select="bmp_decoder"
3098 iec61883_indev_deps="libiec61883"
3099 jack_indev_deps="libjack"
3100 jack_indev_deps_any="sem_timedwait dispatch_dispatch_h"
3101 kmsgrab_indev_deps="libdrm"
3102 lavfi_indev_deps="avfilter"
3103 libcdio_indev_deps="libcdio"
3104 libdc1394_indev_deps="libdc1394"
3105 openal_indev_deps="openal"
3106 opengl_outdev_deps="opengl"
3107 oss_indev_deps_any="sys_soundcard_h"
3108 oss_outdev_deps_any="sys_soundcard_h"
3109 pulse_indev_deps="libpulse"
3110 pulse_outdev_deps="libpulse"
3111 sdl2_outdev_deps="sdl2"
3112 sndio_indev_deps="sndio"
3113 sndio_outdev_deps="sndio"
3114 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
3115 v4l2_indev_suggest="libv4l2"
3116 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
3117 v4l2_outdev_suggest="libv4l2"
3118 vfwcap_indev_deps="vfw32 vfwcap_defines"
3119 xcbgrab_indev_deps="libxcb"
3120 xcbgrab_indev_suggest="libxcb_shm libxcb_shape libxcb_xfixes"
3121 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
3122 xv_outdev_extralibs="-lXv -lX11 -lXext"
3125 async_protocol_deps="threads"
3126 bluray_protocol_deps="libbluray"
3127 ffrtmpcrypt_protocol_conflict="librtmp_protocol"
3128 ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"
3129 ffrtmpcrypt_protocol_select="tcp_protocol"
3130 ffrtmphttp_protocol_conflict="librtmp_protocol"
3131 ffrtmphttp_protocol_select="http_protocol"
3132 ftp_protocol_select="tcp_protocol"
3133 gopher_protocol_select="network"
3134 http_protocol_select="tcp_protocol"
3135 http_protocol_suggest="zlib"
3136 httpproxy_protocol_select="tcp_protocol"
3137 httpproxy_protocol_suggest="zlib"
3138 https_protocol_select="tls_protocol"
3139 https_protocol_suggest="zlib"
3140 icecast_protocol_select="http_protocol"
3141 librtmp_protocol_deps="librtmp"
3142 librtmpe_protocol_deps="librtmp"
3143 librtmps_protocol_deps="librtmp"
3144 librtmpt_protocol_deps="librtmp"
3145 librtmpte_protocol_deps="librtmp"
3146 libsmbclient_protocol_deps="libsmbclient gplv3"
3147 libssh_protocol_deps="libssh"
3148 libtls_conflict="openssl gnutls"
3149 mmsh_protocol_select="http_protocol"
3150 mmst_protocol_select="network"
3151 rtmp_protocol_conflict="librtmp_protocol"
3152 rtmp_protocol_select="tcp_protocol"
3153 rtmp_protocol_suggest="zlib"
3154 rtmpe_protocol_select="ffrtmpcrypt_protocol"
3155 rtmpe_protocol_suggest="zlib"
3156 rtmps_protocol_conflict="librtmp_protocol"
3157 rtmps_protocol_select="tls_protocol"
3158 rtmps_protocol_suggest="zlib"
3159 rtmpt_protocol_select="ffrtmphttp_protocol"
3160 rtmpt_protocol_suggest="zlib"
3161 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
3162 rtmpte_protocol_suggest="zlib"
3163 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
3164 rtmpts_protocol_suggest="zlib"
3165 rtp_protocol_select="udp_protocol"
3166 schannel_conflict="openssl gnutls libtls"
3167 sctp_protocol_deps="struct_sctp_event_subscribe struct_msghdr_msg_flags"
3168 sctp_protocol_select="network"
3169 securetransport_conflict="openssl gnutls libtls"
3170 srtp_protocol_select="rtp_protocol srtp"
3171 tcp_protocol_select="network"
3172 tls_protocol_deps_any="gnutls openssl schannel securetransport libtls"
3173 tls_protocol_select="tcp_protocol"
3174 udp_protocol_select="network"
3175 udplite_protocol_select="network"
3176 unix_protocol_deps="sys_un_h"
3177 unix_protocol_select="network"
3180 afftfilt_filter_deps="avcodec"
3181 afftfilt_filter_select="fft"
3182 afir_filter_deps="avcodec"
3183 afir_filter_select="fft"
3184 amovie_filter_deps="avcodec avformat"
3185 aresample_filter_deps="swresample"
3186 ass_filter_deps="libass"
3187 atempo_filter_deps="avcodec"
3188 atempo_filter_select="rdft"
3189 azmq_filter_deps="libzmq"
3190 blackframe_filter_deps="gpl"
3191 boxblur_filter_deps="gpl"
3192 bs2b_filter_deps="libbs2b"
3193 colormatrix_filter_deps="gpl"
3194 convolve_filter_deps="avcodec"
3195 convolve_filter_select="fft"
3196 coreimage_filter_deps="coreimage appkit"
3197 coreimage_filter_extralibs="-framework OpenGL"
3198 coreimagesrc_filter_deps="coreimage appkit"
3199 coreimagesrc_filter_extralibs="-framework OpenGL"
3200 cover_rect_filter_deps="avcodec avformat gpl"
3201 cropdetect_filter_deps="gpl"
3202 deconvolve_filter_deps="avcodec"
3203 deconvolve_filter_select="fft"
3204 deinterlace_qsv_filter_deps="libmfx"
3205 deinterlace_vaapi_filter_deps="vaapi"
3206 delogo_filter_deps="gpl"
3207 denoise_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
3208 deshake_filter_select="pixelutils"
3209 drawtext_filter_deps="libfreetype"
3210 drawtext_filter_suggest="libfontconfig libfribidi"
3211 elbg_filter_deps="avcodec"
3212 eq_filter_deps="gpl"
3213 fftfilt_filter_deps="avcodec"
3214 fftfilt_filter_select="rdft"
3215 find_rect_filter_deps="avcodec avformat gpl"
3216 firequalizer_filter_deps="avcodec"
3217 firequalizer_filter_select="rdft"
3218 flite_filter_deps="libflite"
3219 framerate_filter_select="pixelutils"
3220 frei0r_filter_deps="frei0r libdl"
3221 frei0r_src_filter_deps="frei0r libdl"
3222 fspp_filter_deps="gpl"
3223 geq_filter_deps="gpl"
3224 histeq_filter_deps="gpl"
3225 hqdn3d_filter_deps="gpl"
3226 interlace_filter_deps="gpl"
3227 kerndeint_filter_deps="gpl"
3228 ladspa_filter_deps="ladspa libdl"
3229 lv2_filter_deps="lv2"
3230 mcdeint_filter_deps="avcodec gpl"
3231 movie_filter_deps="avcodec avformat"
3232 mpdecimate_filter_deps="gpl"
3233 mpdecimate_filter_select="pixelutils"
3234 mptestsrc_filter_deps="gpl"
3235 negate_filter_deps="lut_filter"
3236 nnedi_filter_deps="gpl"
3237 ocr_filter_deps="libtesseract"
3238 ocv_filter_deps="libopencv"
3239 openclsrc_filter_deps="opencl"
3240 overlay_opencl_filter_deps="opencl"
3241 overlay_qsv_filter_deps="libmfx"
3242 overlay_qsv_filter_select="qsvvpp"
3243 owdenoise_filter_deps="gpl"
3244 pan_filter_deps="swresample"
3245 perspective_filter_deps="gpl"
3246 phase_filter_deps="gpl"
3247 pp7_filter_deps="gpl"
3248 pp_filter_deps="gpl postproc"
3249 procamp_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
3250 program_opencl_filter_deps="opencl"
3251 pullup_filter_deps="gpl"
3252 removelogo_filter_deps="avcodec avformat swscale"
3253 repeatfields_filter_deps="gpl"
3254 resample_filter_deps="avresample"
3255 rubberband_filter_deps="librubberband"
3256 sab_filter_deps="gpl swscale"
3257 scale2ref_filter_deps="swscale"
3258 scale_filter_deps="swscale"
3259 scale_qsv_filter_deps="libmfx"
3260 select_filter_select="pixelutils"
3261 sharpness_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
3262 showcqt_filter_deps="avcodec avformat swscale"
3263 showcqt_filter_suggest="libfontconfig libfreetype"
3264 showcqt_filter_select="fft"
3265 showfreqs_filter_deps="avcodec"
3266 showfreqs_filter_select="fft"
3267 showspectrum_filter_deps="avcodec"
3268 showspectrum_filter_select="fft"
3269 showspectrumpic_filter_deps="avcodec"
3270 showspectrumpic_filter_select="fft"
3271 signature_filter_deps="gpl avcodec avformat"
3272 smartblur_filter_deps="gpl swscale"
3273 sofalizer_filter_deps="libmysofa avcodec"
3274 sofalizer_filter_select="fft"
3275 spectrumsynth_filter_deps="avcodec"
3276 spectrumsynth_filter_select="fft"
3277 spp_filter_deps="gpl avcodec"
3278 spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"
3279 stereo3d_filter_deps="gpl"
3280 subtitles_filter_deps="avformat avcodec libass"
3281 super2xsai_filter_deps="gpl"
3282 pixfmts_super2xsai_test_deps="super2xsai_filter"
3283 tinterlace_filter_deps="gpl"
3284 tinterlace_merge_test_deps="tinterlace_filter"
3285 tinterlace_pad_test_deps="tinterlace_filter"
3286 tonemap_filter_deps="const_nan"
3287 unsharp_opencl_filter_deps="opencl"
3288 uspp_filter_deps="gpl avcodec"
3289 vaguedenoiser_filter_deps="gpl"
3290 vidstabdetect_filter_deps="libvidstab"
3291 vidstabtransform_filter_deps="libvidstab"
3292 libvmaf_filter_deps="libvmaf pthreads"
3293 zmq_filter_deps="libzmq"
3294 zoompan_filter_deps="swscale"
3295 zscale_filter_deps="libzimg const_nan"
3296 scale_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
3297 vpp_qsv_filter_deps="libmfx"
3298 vpp_qsv_filter_select="qsvvpp"
3301 avio_dir_cmd_deps="avformat avutil"
3302 avio_reading_deps="avformat avcodec avutil"
3303 decode_audio_example_deps="avcodec avutil"
3304 decode_video_example_deps="avcodec avutil"
3305 demuxing_decoding_example_deps="avcodec avformat avutil"
3306 encode_audio_example_deps="avcodec avutil"
3307 encode_video_example_deps="avcodec avutil"
3308 extract_mvs_example_deps="avcodec avformat avutil"
3309 filter_audio_example_deps="avfilter avutil"
3310 filtering_audio_example_deps="avfilter avcodec avformat avutil"
3311 filtering_video_example_deps="avfilter avcodec avformat avutil"
3312 http_multiclient_example_deps="avformat avutil fork"
3313 hw_decode_example_deps="avcodec avformat avutil"
3314 metadata_example_deps="avformat avutil"
3315 muxing_example_deps="avcodec avformat avutil swscale"
3316 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder"
3317 remuxing_example_deps="avcodec avformat avutil"
3318 resampling_audio_example_deps="avutil swresample"
3319 scaling_video_example_deps="avutil swscale"
3320 transcode_aac_example_deps="avcodec avformat swresample"
3321 transcoding_example_deps="avfilter avcodec avformat avutil"
3322 vaapi_encode_example_deps="avcodec avutil"
3325 cpu_init_extralibs="pthreads_extralibs"
3326 cws2fws_extralibs="zlib_extralibs"
3328 # libraries, in linking order
3329 avcodec_deps="avutil"
3330 avcodec_suggest="libm"
3331 avcodec_select="null_bsf"
3332 avdevice_deps="avformat avcodec avutil"
3333 avdevice_suggest="libm"
3334 avfilter_deps="avutil"
3335 avfilter_suggest="libm"
3336 avformat_deps="avcodec avutil"
3337 avformat_suggest="libm network zlib"
3338 avresample_deps="avutil"
3339 avresample_suggest="libm"
3340 avutil_suggest="clock_gettime cuda libm libdrm libmfx opencl user32 vaapi videotoolbox corefoundation corevideo coremedia wincrypt"
3341 postproc_deps="avutil gpl"
3342 postproc_suggest="libm"
3343 swresample_deps="avutil"
3344 swresample_suggest="libm libsoxr"
3345 swscale_deps="avutil"
3346 swscale_suggest="libm"
3348 avcodec_extralibs="pthreads_extralibs iconv_extralibs"
3349 avfilter_extralibs="pthreads_extralibs"
3350 avutil_extralibs="d3d11va_extralibs nanosleep_extralibs pthreads_extralibs vaapi_drm_extralibs vaapi_x11_extralibs vdpau_x11_extralibs"
3353 ffmpeg_deps="avcodec avfilter avformat swresample"
3354 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
3357 ffmpeg_suggest="ole32 psapi shell32"
3358 ffplay_deps="avcodec avformat swscale swresample sdl2"
3359 ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"
3360 ffplay_suggest="shell32"
3361 ffprobe_deps="avcodec avformat"
3362 ffprobe_suggest="shell32"
3365 podpages_deps="perl"
3366 manpages_deps="perl pod2man"
3367 htmlpages_deps="perl"
3368 htmlpages_deps_any="makeinfo_html texi2html"
3369 txtpages_deps="perl makeinfo"
3370 doc_deps_any="manpages htmlpages podpages txtpages"
3372 # default parameters
3374 logfile="ffbuild/config.log"
3376 # installation paths
3377 prefix_default="/usr/local"
3378 bindir_default='${prefix}/bin'
3379 datadir_default='${prefix}/share/ffmpeg'
3380 docdir_default='${prefix}/share/doc/ffmpeg'
3381 incdir_default='${prefix}/include'
3382 libdir_default='${prefix}/lib'
3383 mandir_default='${prefix}/share/man'
3389 host_cc_default="gcc"
3390 doxygen_default="doxygen"
3392 ln_s_default="ln -s -f"
3394 pkg_config_default=pkg-config
3395 ranlib_default="ranlib"
3396 strip_default="strip"
3397 version_script='--version-script'
3399 x86asmexe_default="nasm"
3400 windres_default="windres"
3402 nvccflags_default="-gencode arch=compute_30,code=sm_30 -O2"
3406 target_os_default=$(tolower $(uname -s))
3407 host_os=$target_os_default
3410 if test "$target_os_default" = aix; then
3411 arch_default=$(uname -p)
3412 strip_default="strip -X32_64"
3414 arch_default=$(uname -m)
3419 # configurable options
3420 enable $PROGRAM_LIST
3421 enable $DOCUMENT_LIST
3422 enable $EXAMPLE_LIST
3423 enable $(filter_out avresample $LIBRARY_LIST)
3429 enable faan faandct faanidct
3430 enable optimizations
3431 enable runtime_cpudetect
3432 enable safe_bitstream_reader
3434 enable swscale_alpha
3435 enable valgrind_backtrace
3437 sws_max_filter_size_default=256
3438 set_default sws_max_filter_size
3440 # internal components are enabled by default
3441 enable $EXTRALIBS_LIST
3443 # Avoid external, non-system, libraries getting enabled by dependency resolution
3444 disable $EXTERNAL_LIBRARY_LIST $HWACCEL_LIBRARY_LIST
3447 SHFLAGS='-shared -Wl,-soname,$$(@F)'
3450 FULLNAME='$(NAME)$(BUILDSUF)'
3451 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
3454 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
3455 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
3456 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
3457 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
3458 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
3459 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
3460 VERSION_SCRIPT_POSTPROCESS_CMD="cat"
3487 host_extralibs='-lm'
3488 host_cflags_filter=echo
3489 host_ldflags_filter=echo
3491 target_path='$(CURDIR)'
3493 # since the object filename is not given with the -MM flag, the compiler
3494 # is only able to print the basename, and we must add the path ourselves
3495 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>/dev/null | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(@F),$(@D)/$(@F)," > $(@:.o=.d)'
3501 if test -f configure; then
3504 source_path=$(cd $(dirname "$0"); pwd)
3505 case "$source_path" in
3506 *[[:blank:]]*) die "Out of tree builds are impossible with whitespace in source path." ;;
3508 test -e "$source_path/config.h" &&
3509 die "Out of tree builds are impossible with config.h in source dir."
3516 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
3522 file=$source_path/$3
3523 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
3526 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
3527 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
3528 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
3529 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
3530 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
3531 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
3532 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
3533 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
3535 find_things_extern(){
3538 file=$source_path/$3
3539 sed -n "s/^[^#]*extern.*$pattern *ff_\([^ ]*\)_$thing;/\1_$thing/p" "$file"
3542 BSF_LIST=$(find_things_extern bsf AVBitStreamFilter libavcodec/bitstream_filters.c)
3543 HWACCEL_LIST=$(find_things_extern hwaccel AVHWAccel libavcodec/hwaccels.h)
3544 PROTOCOL_LIST=$(find_things_extern protocol URLProtocol libavformat/protocols.c)
3546 AVCODEC_COMPONENTS_LIST="
3554 AVDEVICE_COMPONENTS_LIST="
3559 AVFILTER_COMPONENTS_LIST="
3563 AVFORMAT_COMPONENTS_LIST="
3570 $AVCODEC_COMPONENTS_LIST
3571 $AVDEVICE_COMPONENTS_LIST
3572 $AVFILTER_COMPONENTS_LIST
3573 $AVFORMAT_COMPONENTS_LIST
3576 for n in $COMPONENT_LIST; do
3577 v=$(toupper ${n%s})_LIST
3579 eval ${n}_if_any="\$$v"
3582 enable $ARCH_EXT_LIST
3585 echo "Unknown option \"$1\"."
3586 echo "See $0 --help for available options."
3590 print_in_columns() {
3591 cols=$(expr $ncols / 24)
3592 cat | tr ' ' '\n' | sort | pr -r "-$cols" -w $ncols -t
3598 echo $* | sed s/$suffix//g | print_in_columns
3610 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
3611 echo "prob ${prob:-0.5}"
3619 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
3620 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
3629 --extra-ldexeflags=*)
3630 add_ldexeflags $optval
3632 --extra-ldsoflags=*)
3633 add_ldsoflags $optval
3635 --extra-ldlibflags=*)
3636 warn "The --extra-ldlibflags option is only provided for compatibility and will be\n"\
3637 "removed in the future. Use --extra-ldsoflags instead."
3638 add_ldsoflags $optval
3641 add_extralibs $optval
3644 disable $INDEV_LIST $OUTDEV_LIST
3647 debuglevel="$optval"
3650 disable $PROGRAM_LIST
3652 --disable-everything)
3653 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3656 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3657 disable $LIBRARY_LIST $PROGRAM_LIST doc
3660 --enable-random|--disable-random)
3661 action=${opt%%-random}
3662 do_random ${action#--} $COMPONENT_LIST
3664 --enable-random=*|--disable-random=*)
3665 action=${opt%%-random=*}
3666 do_random ${action#--} $optval
3671 --enable-*=*|--disable-*=*)
3672 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
3673 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
3674 eval list=\$$(toupper $thing)_LIST
3675 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
3676 list=$(filter "$name" $list)
3677 [ "$list" = "" ] && warn "Option $opt did not match anything"
3680 --enable-yasm|--disable-yasm)
3681 warn "The ${opt} option is only provided for compatibility and will be\n"\
3682 "removed in the future. Use --enable-x86asm / --disable-x86asm instead."
3683 test $opt = --enable-yasm && x86asm=yes || x86asm=no
3686 warn "The --yasmexe option is only provided for compatibility and will be\n"\
3687 "removed in the future. Use --x86asmexe instead."
3690 --enable-?*|--disable-?*)
3691 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
3692 if is_in $option $COMPONENT_LIST; then
3693 test $action = disable && action=unset
3694 eval $action \$$(toupper ${option%s})_LIST
3695 elif is_in $option $CMDLINE_SELECT; then
3702 NAME="${opt#--list-}"
3703 is_in $NAME $COMPONENT_LIST || die_unknown $opt
3705 eval show_list $NAME \$$(toupper $NAME)_LIST
3707 --help|-h) show_help
3709 --quiet|-q) quiet=yes
3711 --fatal-warnings) enable fatal_warnings
3714 libfuzzer_path="$optval"
3717 optname="${opt%%=*}"
3718 optname="${optname#--}"
3719 optname=$(echo "$optname" | sed 's/-/_/g')
3720 if is_in $optname $CMDLINE_SET; then
3721 eval $optname='$optval'
3722 elif is_in $optname $CMDLINE_APPEND; then
3723 append $optname "$optval"
3735 if disabled autodetect; then
3737 # Unless iconv is explicitely disabled by the user, we still want to probe
3738 # for the iconv from the libc.
3739 disabled iconv || enable libc_iconv
3741 disable_weak $EXTERNAL_AUTODETECT_LIBRARY_LIST
3742 disable_weak $HWACCEL_AUTODETECT_LIBRARY_LIST
3744 # Mark specifically enabled, but normally autodetected libraries as requested.
3745 for lib in $AUTODETECT_LIBS; do
3746 enabled $lib && request $lib
3748 #TODO: switch to $AUTODETECT_LIBS when $THREADS_LIST is supported the same way
3749 enable_weak $EXTERNAL_AUTODETECT_LIBRARY_LIST
3750 enable_weak $HWACCEL_AUTODETECT_LIBRARY_LIST
3752 disabled logging && logfile=/dev/null
3754 # command line configuration sanity checks
3756 # we need to build at least one lib type
3757 if ! enabled_any static shared; then
3759 At least one library type must be built.
3760 Specify --enable-static to build the static libraries or --enable-shared to
3761 build the shared libraries as well. To only build the shared libraries specify
3762 --disable-static in addition to --enable-shared.
3767 die_license_disabled() {
3768 enabled $1 || { enabled $v && die "$v is $1 and --enable-$1 is not specified."; }
3771 die_license_disabled_gpl() {
3772 enabled $1 || { enabled $v && die "$v is incompatible with the gpl and --enable-$1 is not specified."; }
3775 map "die_license_disabled gpl" $EXTERNAL_LIBRARY_GPL_LIST $EXTERNAL_LIBRARY_GPLV3_LIST
3776 map "die_license_disabled version3" $EXTERNAL_LIBRARY_VERSION3_LIST $EXTERNAL_LIBRARY_GPLV3_LIST
3778 enabled gpl && map "die_license_disabled_gpl nonfree" $EXTERNAL_LIBRARY_NONFREE_LIST
3779 map "die_license_disabled nonfree" $HWACCEL_LIBRARY_NONFREE_LIST
3781 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3783 enabled_all gnutls openssl &&
3784 die "GnuTLS and OpenSSL must not be enabled at the same time."
3786 # Disable all the library-specific components if the library itself
3787 # is disabled, see AVCODEC_LIST and following _LIST variables.
3789 disable_components(){
3790 disabled ${1} && disable $(
3791 eval components="\$$(toupper ${1})_COMPONENTS"
3792 map 'eval echo \${$(toupper ${v%s})_LIST}' $components
3796 map 'disable_components $v' $LIBRARY_LIST
3798 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
3801 test -n "$valgrind" && toolchain="valgrind-memcheck"
3803 enabled ossfuzz && {
3804 add_cflags -fsanitize=address,undefined -fsanitize-coverage=trace-pc-guard,trace-cmp -fno-omit-frame-pointer
3805 add_ldflags -fsanitize=address,undefined -fsanitize-coverage=trace-pc-guard,trace-cmp
3808 case "$toolchain" in
3810 cc_default="${toolchain%-asan}"
3811 add_cflags -fsanitize=address
3812 add_ldflags -fsanitize=address
3815 cc_default="${toolchain%-msan}"
3816 add_cflags -fsanitize=memory -fsanitize-memory-track-origins
3817 add_ldflags -fsanitize=memory
3820 cc_default="${toolchain%-tsan}"
3821 add_cflags -fsanitize=thread -fPIE
3822 add_ldflags -fsanitize=thread -pie
3823 case "$toolchain" in
3831 cc_default="${toolchain%-usan}"
3832 add_cflags -fsanitize=undefined
3833 add_ldflags -fsanitize=undefined
3836 target_exec_default="valgrind"
3837 case "$toolchain" in
3839 target_exec_args="--tool=massif --alloc-fn=av_malloc --alloc-fn=av_mallocz --alloc-fn=av_calloc --alloc-fn=av_fast_padded_malloc --alloc-fn=av_fast_malloc --alloc-fn=av_realloc_f --alloc-fn=av_fast_realloc --alloc-fn=av_realloc"
3842 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
3847 # Check whether the current MSVC version needs the C99 converter.
3848 # From MSVC 2013 (compiler major version 18) onwards, it does actually
3849 # support enough of C99 to build ffmpeg. Default to the new
3850 # behaviour if the regexp was unable to match anything, since this
3851 # successfully parses the version number of existing supported
3852 # versions that require the converter (MSVC 2010 and 2012).
3853 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
3854 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
3858 cc_default="c99wrap cl"
3859 cxx_default="c99wrap cl"
3861 ld_default="$source_path/compat/windows/mslink"
3862 nm_default="dumpbin -symbols"
3866 as_default="armasm64"
3872 target_os_default="win32"
3873 # Use a relative path for TMPDIR. This makes sure all the
3874 # ffconf temp files are written with a relative path, avoiding
3875 # issues with msys/win32 path conversion for MSVC parameters
3876 # such as -Fo<file> or -out:<file>.
3882 nm_default="dumpbin -symbols"
3884 target_os_default="win32"
3888 add_cflags -fprofile-arcs -ftest-coverage
3889 add_ldflags -fprofile-arcs -ftest-coverage
3892 add_cflags -fprofile-arcs -ftest-coverage
3893 add_ldflags --coverage
3896 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
3897 add_cflags -fno-strict-overflow -fstack-protector-all
3898 add_ldflags -Wl,-z,relro -Wl,-z,now
3900 add_ldexeflags -fPIE -pie
3903 die "Unknown toolchain $toolchain"
3907 if test -n "$cross_prefix"; then
3908 test -n "$arch" && test -n "$target_os" ||
3909 die "Must specify target arch (--arch) and OS (--target-os) when cross-compiling"
3910 enable cross_compile
3913 ar_default="${cross_prefix}${ar_default}"
3914 cc_default="${cross_prefix}${cc_default}"
3915 cxx_default="${cross_prefix}${cxx_default}"
3916 nm_default="${cross_prefix}${nm_default}"
3917 pkg_config_default="${cross_prefix}${pkg_config_default}"
3918 if ${cross_prefix}${ranlib_default} 2>&1 | grep -q "\-D "; then
3919 ranlib_default="${cross_prefix}${ranlib_default} -D"
3921 ranlib_default="${cross_prefix}${ranlib_default}"
3923 strip_default="${cross_prefix}${strip_default}"
3924 windres_default="${cross_prefix}${windres_default}"
3926 sysinclude_default="${sysroot}/usr/include"
3928 set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \
3929 target_exec target_os x86asmexe nvcc
3930 enabled cross_compile || host_cc_default=$cc
3933 pkg_config_fail_message=""
3934 if ! $pkg_config --version >/dev/null 2>&1; then
3935 warn "$pkg_config not found, library detection may fail."
3937 elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then
3938 pkg_config_fail_message="
3939 Note: When building a static binary, add --pkg-config-flags=\"--static\"."
3942 if test $doxygen != $doxygen_default && \
3943 ! $doxygen --version >/dev/null 2>&1; then
3944 warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."
3949 mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
3953 EXESUF=$(exesuf $target_os)
3954 HOSTEXESUF=$(exesuf $host_os)
3956 # set temporary file name
3957 : ${TMPDIR:=$TEMPDIR}
3961 if [ -n "$tempprefix" ] ; then
3963 tmpname="$tempprefix.${HOSTNAME}.${UID}"
3967 elif ! check_cmd mktemp -u XXXXXX; then
3968 # simple replacement for missing mktemp
3969 # NOT SAFE FOR GENERAL USE
3971 tmpname="${2%%XXX*}.${HOSTNAME}.${UID}.$$"
3977 FFTMPDIR=$(mktemp -d "${TMPDIR}/ffconf.XXXXXXXX" 2> /dev/null) ||
3978 die "Unable to create temporary directory in $TMPDIR."
3981 tmp="${FFTMPDIR}/test"$2
3982 (set -C; exec > $tmp) 2> /dev/null ||
3983 die "Unable to create temporary file in $FFTMPDIR."
3987 trap 'rm -rf -- "$FFTMPDIR"' EXIT
3993 tmpfile TMPE $EXESUF
4005 # make sure we can execute files in $TMPDIR
4006 cat > $TMPSH 2>> $logfile <<EOF
4009 chmod +x $TMPSH >> $logfile 2>&1
4010 if ! $TMPSH >> $logfile 2>&1; then
4012 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
4013 variable to another directory and make sure that it is not mounted noexec.
4015 die "Sanity test failed."
4021 # Filter out MSVC cl.exe options from cflags that shouldn't
4022 # be passed to gas-preprocessor
4032 -Wno-switch) echo -Wno-switch-enum ;;
4033 -Wno-format-zero-length) ;;
4034 -Wdisabled-optimization) ;;
4035 -Wno-pointer-sign) echo -Wno-other ;;
4041 msvc_common_flags(){
4044 # In addition to specifying certain flags under the compiler
4045 # specific filters, they must be specified here as well or else the
4046 # generic catch all at the bottom will print the original flag.
4051 -fomit-frame-pointer) ;;
4055 -fno-signed-zeros) ;;
4059 -lz) echo zlib.lib ;;
4060 -lx264) echo libx264.lib ;;
4062 -l*) echo ${flag#-l}.lib ;;
4063 -LARGEADDRESSAWARE) echo $flag ;;
4064 -L*) echo -libpath:${flag#-L} ;;
4071 msvc_common_flags "$@"
4074 -Wall) echo -W3 -wd4018 -wd4146 -wd4244 -wd4305 \
4076 -Wextra) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
4077 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
4078 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
4080 -wd4273 -wd4554 -wd4701 -wd4703 ;;
4086 msvc_common_flags "$@"
4089 # Despite what Intel's documentation says -Wall, which is supported
4090 # on Windows, does enable remarks so disable them here.
4091 -Wall) echo $flag -Qdiag-disable:remark ;;
4092 -std=c99) echo -Qstd=c99 ;;
4111 case "${flag#*=}" in
4112 native) echo -xtarget=native ;;
4113 v9|niagara) echo -xarch=sparc ;;
4114 ultrasparc) echo -xarch=sparcvis ;;
4115 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
4116 i586|pentium) echo -xchip=pentium ;;
4117 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
4118 pentium3*|c3-2) echo -xtarget=pentium3 ;;
4119 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
4120 pentium4*) echo -xtarget=pentium4 ;;
4121 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
4122 *-sse3) echo -xarch=sse3 ;;
4123 core2) echo -xarch=ssse3 -xchip=core2 ;;
4124 bonnell) echo -xarch=ssse3 ;;
4125 corei7|nehalem) echo -xtarget=nehalem ;;
4126 westmere) echo -xtarget=westmere ;;
4127 silvermont) echo -xarch=sse4_2 ;;
4128 corei7-avx|sandybridge) echo -xtarget=sandybridge ;;
4129 core-avx*|ivybridge|haswell|broadwell|skylake*|knl)
4131 amdfam10|barcelona) echo -xtarget=barcelona ;;
4132 btver1) echo -xarch=amdsse4a ;;
4133 btver2|bdver*|znver*) echo -xarch=avx ;;
4134 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
4135 k8|opteron|athlon64|athlon-fx)
4136 echo -xarch=sse2a ;;
4137 athlon*) echo -xarch=pentium_proa ;;
4140 -std=c99) echo -xc99 ;;
4141 -fomit-frame-pointer) echo -xregs=frameptr ;;
4142 -fPIC) echo -KPIC -xcode=pic32 ;;
4143 -W*,*) echo $flag ;;
4144 -f*-*|-W*|-mimpure-text) ;;
4156 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
4157 unset _ld_o _ldflags _ld_lib _ld_path
4158 unset _depflags _DEPCMD _DEPFLAGS
4161 if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
4162 true # no-op to avoid reading stdin in following checks
4163 elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
4165 gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')
4166 _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"
4167 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4170 elif $_cc -v 2>&1 | grep -qi ^gcc; then
4172 gcc_version=$($_cc --version | head -n1)
4173 gcc_basever=$($_cc -dumpversion)
4174 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
4175 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
4176 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
4177 case $gcc_basever in
4180 *) _depflags='-MMD -MF $(@:.o=.d) -MT $@' ;;
4182 if [ "$first" = true ]; then
4183 case $gcc_basever in
4185 warn "gcc 4.2 is outdated and may miscompile FFmpeg. Please use a newer compiler." ;;
4190 elif $_cc --version 2>/dev/null | grep -q ^icc; then
4192 _ident=$($_cc --version | head -n1)
4197 _flags_filter=icc_flags
4198 elif $_cc -v 2>&1 | grep -q xlc; then
4200 _ident=$($_cc -qversion 2>/dev/null | head -n1)
4202 _cflags_size='-O5 -qcompact'
4203 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
4204 test -d "$sysroot" || die "No valid sysroot specified."
4206 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
4207 armcc_conf="$PWD/armcc.conf"
4208 $_cc --arm_linux_configure \
4209 --arm_linux_config_file="$armcc_conf" \
4210 --configure_sysroot="$sysroot" \
4211 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
4212 die "Error creating armcc configuration file."
4213 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
4214 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
4215 as_default="${cross_prefix}gcc"
4219 elif $_cc -v 2>&1 | grep -q clang; then
4221 _ident=$($_cc --version 2>/dev/null | head -n1)
4222 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4225 elif $_cc -V 2>&1 | grep -q Sun; then
4227 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
4228 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
4229 _DEPFLAGS='-xM1 -xc99'
4232 _cflags_size='-O5 -xspace'
4233 _flags_filter=suncc_flags
4234 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
4236 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
4237 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4240 _flags_filter='filter_out -Wdisabled-optimization'
4241 elif $_cc -v 2>&1 | grep -q Open64; then
4243 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
4244 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4247 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
4248 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
4250 _ident=$($_cc | head -n1)
4251 # 4509: "This form of conditional instruction is deprecated"
4252 _flags="-nologo -ignore 4509"
4253 _flags_filter=armasm_flags
4254 elif $_cc 2>&1 | grep -q Intel; then
4256 _ident=$($_cc 2>&1 | head -n1)
4257 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
4258 # Not only is O3 broken on 13.x+ but it is slower on all previous
4259 # versions (tested) as well.
4261 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
4262 if $_cc 2>&1 | grep -q Linker; then
4269 _flags_filter=icl_flags
4271 _ld_path='-libpath:'
4272 # -Qdiag-error to make icl error when seeing certain unknown arguments
4273 _flags='-nologo -Qdiag-error:4044,10157'
4274 # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency
4275 # with MSVC which enables it by default.
4276 _cflags='-Qms0 -Qvec- -Qsimd- -GS -fp:precise'
4278 elif $_cc -? 2>/dev/null | grep -q 'LLVM.*Linker'; then
4279 # lld can emulate multiple different linkers; in ms link.exe mode,
4280 # the -? parameter gives the help output which contains an identifyable
4281 # string, while it gives an error in other modes.
4283 # The link.exe mode doesn't have a switch for getting the version,
4284 # but we can force it back to gnu mode and get the version from there.
4285 _ident=$($_cc -flavor gnu --version 2>/dev/null)
4287 _flags_filter=msvc_flags
4289 _ld_path='-libpath:'
4290 elif $_cc -nologo- 2>&1 | grep -q Microsoft; then
4292 _ident=$($_cc 2>&1 | head -n1)
4293 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
4294 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
4298 if $_cc -nologo- 2>&1 | grep -q Linker; then
4305 _flags_filter=msvc_flags
4307 _ld_path='-libpath:'
4310 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
4312 _ident=$($_cc --version | head -n1)
4316 _flags_filter=cparser_flags
4319 eval ${pfx}_type=\$_type
4320 eval ${pfx}_ident=\$_ident
4324 eval ${1}_C=\${_cc_c-\${${1}_C}}
4325 eval ${1}_E=\${_cc_e-\${${1}_E}}
4326 eval ${1}_O=\${_cc_o-\${${1}_O}}
4328 if [ -n "$_depflags" ]; then
4329 eval ${1}_DEPFLAGS=\$_depflags
4331 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
4332 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
4333 eval DEP${1}FLAGS=\$_flags
4337 probe_cc cc "$cc" "true"
4338 cflags_filter=$_flags_filter
4339 cflags_speed=$_cflags_speed
4340 cflags_size=$_cflags_size
4341 cflags_noopt=$_cflags_noopt
4342 add_cflags $_flags $_cflags
4343 cc_ldflags=$_ldflags
4347 probe_cc hostcc "$host_cc"
4348 host_cflags_filter=$_flags_filter
4349 host_cflags_speed=$_cflags_speed
4350 add_host_cflags $_flags $_cflags
4353 test -n "$cc_type" && enable $cc_type ||
4354 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
4356 : ${as_default:=$cc}
4357 : ${objcc_default:=$cc}
4358 : ${dep_cc_default:=$cc}
4359 : ${ld_default:=$cc}
4360 : ${host_ld_default:=$host_cc}
4361 set_default ar as objcc dep_cc ld ln_s host_ld windres
4364 asflags_filter=$_flags_filter
4365 add_asflags $_flags $_cflags
4368 probe_cc objcc "$objcc"
4369 objcflags_filter=$_flags_filter
4370 add_objcflags $_flags $_cflags
4374 ldflags_filter=$_flags_filter
4375 add_ldflags $_flags $_ldflags
4376 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
4378 LD_LIB=${_ld_lib-$LD_LIB}
4379 LD_PATH=${_ld_path-$LD_PATH}
4381 probe_cc hostld "$host_ld"
4382 host_ldflags_filter=$_flags_filter
4383 add_host_ldflags $_flags $_ldflags
4384 HOSTLD_O=${_ld_o-$HOSTLD_O}
4386 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
4387 probe_cc depcc "$dep_cc"
4388 CCDEP=${_DEPCMD:-$DEPCMD}
4389 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
4393 if $ar 2>&1 | grep -q Microsoft; then
4396 elif $ar 2>&1 | grep -q "\[D\] "; then
4404 add_cflags $extra_cflags
4405 add_cxxflags $extra_cxxflags
4406 add_objcflags $extra_objcflags
4407 add_asflags $extra_cflags
4409 if test -n "$sysroot"; then
4412 add_cppflags --sysroot="$sysroot"
4413 add_ldflags --sysroot="$sysroot"
4418 if test "$cpu" = host; then
4419 enabled cross_compile &&
4420 die "--cpu=host makes no sense when cross-compiling."
4425 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
4427 s/.*$1=\\([^ ]*\\).*/\\1/
4432 cpu=$(check_native -march || check_native -mcpu)
4436 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
4437 sed -n "/cc1.*-target-cpu /{
4438 s/.*-target-cpu \\([^ ]*\\).*/\\1/
4443 cpu=$(check_native -march)
4447 test "${cpu:-host}" = host &&
4448 die "--cpu=host not supported with compiler $cc"
4451 # Deal with common $arch aliases
4475 "Power Macintosh"|ppc*|powerpc*)
4490 i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
4495 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
4498 # Add processor-specific flags
4499 if enabled aarch64; then
4503 cpuflags="-march=$cpu"
4506 cpuflags="-mcpu=$cpu"
4510 elif enabled alpha; then
4512 cpuflags="-mcpu=$cpu"
4514 elif enabled arm; then
4517 check_cpp_condition stddef.h \
4518 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
4523 if check_arm_arch 4; then echo armv4
4524 elif check_arm_arch 4T; then echo armv4t
4525 elif check_arm_arch 5; then echo armv5
4526 elif check_arm_arch 5E; then echo armv5e
4527 elif check_arm_arch 5T; then echo armv5t
4528 elif check_arm_arch 5TE; then echo armv5te
4529 elif check_arm_arch 5TEJ; then echo armv5te
4530 elif check_arm_arch 6; then echo armv6
4531 elif check_arm_arch 6J; then echo armv6j
4532 elif check_arm_arch 6K; then echo armv6k
4533 elif check_arm_arch 6Z; then echo armv6z
4534 elif check_arm_arch 6KZ; then echo armv6zk
4535 elif check_arm_arch 6ZK; then echo armv6zk
4536 elif check_arm_arch 6T2; then echo armv6t2
4537 elif check_arm_arch 7; then echo armv7
4538 elif check_arm_arch 7A 7_A; then echo armv7-a
4539 elif check_arm_arch 7S; then echo armv7-a
4540 elif check_arm_arch 7R 7_R; then echo armv7-r
4541 elif check_arm_arch 7M 7_M; then echo armv7-m
4542 elif check_arm_arch 7EM 7E_M; then echo armv7-m
4543 elif check_arm_arch 8A 8_A; then echo armv8-a
4547 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
4551 cpuflags="-march=$cpu"
4552 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
4555 cpuflags="-mcpu=$cpu"
4557 cortex-a*) subarch=armv7a ;;
4558 cortex-r*) subarch=armv7r ;;
4559 cortex-m*) enable thumb; subarch=armv7m ;;
4560 arm11*) subarch=armv6 ;;
4561 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
4562 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
4563 *) subarch=$(probe_arm_arch) ;;
4569 armv5t*) enable fast_clz ;;
4572 disabled fast_unaligned || enable fast_unaligned
4576 elif enabled avr32; then
4581 cpuflags="-mpart=$cpu"
4585 cpuflags="-march=$cpu"
4589 cpuflags="-mcpu=$cpu"
4593 cpuflags="-march=$cpu"
4597 elif enabled bfin; then
4599 cpuflags="-mcpu=$cpu"
4601 elif enabled mips; then
4603 cpuflags="-march=$cpu"
4605 if [ "$cpu" != "generic" ]; then
4615 24kc|24kf*|24kec|34kc|1004kc|24kef*|34kf*|1004kf*|74kc|74kf)
4626 enable local_aligned
4627 enable simd_align_16
4631 enable fast_unaligned
4632 disable aligned_stack
4638 cpuflags="-march=loongson3a -mhard-float -fno-expensive-optimizations"
4641 cpuflags="-march=loongson2e -mhard-float -fno-expensive-optimizations"
4644 cpuflags="-march=loongson2f -mhard-float -fno-expensive-optimizations"
4649 # Unknown CPU. Disable everything.
4650 warn "unknown CPU. Disabling all MIPS optimizations."
4673 24kef*|34kf*|1004kf*)
4681 check_cflags "-mtune=p5600" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops"
4685 check_cflags "-mtune=i6400 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64"
4689 check_cflags "-mtune=p6600 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64"
4693 # We do not disable anything. Is up to the user to disable the unwanted features.
4694 warn 'generic cpu selected'
4697 elif enabled ppc; then
4701 case $(tolower $cpu) in
4702 601|ppc601|powerpc601)
4703 cpuflags="-mcpu=601"
4706 603*|ppc603*|powerpc603*)
4707 cpuflags="-mcpu=603"
4710 604*|ppc604*|powerpc604*)
4711 cpuflags="-mcpu=604"
4714 g3|75*|ppc75*|powerpc75*)
4715 cpuflags="-mcpu=750"
4718 g4|745*|ppc745*|powerpc745*)
4719 cpuflags="-mcpu=7450"
4722 74*|ppc74*|powerpc74*)
4723 cpuflags="-mcpu=7400"
4726 g5|970|ppc970|powerpc970)
4727 cpuflags="-mcpu=970"
4731 cpuflags="-mcpu=$cpu"
4735 cpuflags="-mcpu=$cpu"
4738 cpuflags="-mcpu=cell"
4743 cpuflags="-mcpu=e500mc"
4747 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
4752 cpuflags="-mcpu=8540 -mhard-float"
4758 elif enabled sparc; then
4761 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
4762 cpuflags="-mcpu=$cpu"
4764 ultrasparc*|niagara[234])
4765 cpuflags="-mcpu=$cpu"
4769 elif enabled x86; then
4773 cpuflags="-march=$cpu"
4777 # targets that do NOT support nopl and conditional mov (cmov)
4778 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
4779 cpuflags="-march=$cpu"
4782 # targets that do support nopl and conditional mov (cmov)
4783 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\
4784 |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|skylake*|knl\
4785 |amdfam10|barcelona|b[dt]ver*|znver*)
4786 cpuflags="-march=$cpu"
4790 # targets that do support conditional mov but on which it's slow
4791 pentium4|pentium4m|prescott|nocona)
4792 cpuflags="-march=$cpu"
4800 if [ "$cpu" != generic ]; then
4801 add_cflags $cpuflags
4802 add_asflags $cpuflags
4803 test "$cc_type" = "$ld_type" && add_ldflags $cpuflags
4806 # compiler sanity check
4808 int main(void){ return 0; }
4810 if test "$?" != 0; then
4811 echo "$cc is unable to create an executable file."
4812 if test -z "$cross_prefix" && ! enabled cross_compile ; then
4813 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
4814 echo "Only do this if you know what cross compiling means."
4816 die "C compiler test failed."
4819 add_cppflags -D_ISOC99_SOURCE
4820 add_cxxflags -D__STDC_CONSTANT_MACROS
4821 check_cxxflags -std=c++11 || check_cxxflags -std=c++0x
4823 # some compilers silently accept -std=c11, so we also need to check that the
4824 # version macro is defined properly
4825 test_cflags_cc -std=c11 ctype.h "__STDC_VERSION__ >= 201112L" &&
4826 add_cflags -std=c11 ||
4827 check_cflags -std=c99
4829 check_cppflags -D_FILE_OFFSET_BITS=64
4830 check_cppflags -D_LARGEFILE_SOURCE
4832 add_host_cppflags -D_ISOC99_SOURCE
4833 check_host_cflags -std=c99
4834 check_host_cflags -Wall
4835 check_host_cflags $host_cflags_speed
4841 check_code cc "" "int test[2*($expr) - 1]" &&
4842 subarch=$arch64 || subarch=$arch32
4848 enabled shared && enable_weak pic
4851 check_64bit mips mips64 '_MIPS_SIM > 1'
4852 enabled shared && enable_weak pic
4855 check_64bit parisc parisc64 'sizeof(void *) > 4'
4856 enabled shared && enable_weak pic
4859 check_64bit ppc ppc64 'sizeof(void *) > 4'
4860 enabled shared && enable_weak pic
4863 check_64bit s390 s390x 'sizeof(void *) > 4'
4864 enabled shared && enable_weak pic
4867 check_64bit sparc sparc64 'sizeof(void *) > 4'
4868 enabled shared && enable_weak pic
4871 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
4872 # Treat x32 as x64 for now. Note it also needs pic if shared
4873 test "$subarch" = "x86_32" && check_cpp_condition stddef.h 'defined(__x86_64__)' &&
4874 subarch=x86_64 && enable x86_64 && disable x86_32
4875 if enabled x86_64; then
4876 enabled shared && enable_weak pic
4886 add_cppflags '-I\$(SRC_PATH)/compat/aix'
4887 enabled shared && add_ldflags -Wl,-brtl
4888 arflags='-Xany -r -c'
4892 enable section_data_rel_ro
4893 SLIB_INSTALL_NAME='$(SLIBNAME)'
4895 SHFLAGS='-shared -Wl,-soname,$(SLIBNAME)'
4898 prefix_default="/boot/common"
4899 network_extralibs="-lnetwork"
4903 SHFLAGS='-shared -Wl,-h,$$(@F)'
4904 enabled x86 && append SHFLAGS -mimpure-text
4905 network_extralibs="-lsocket -lnsl"
4906 add_cppflags -D__EXTENSIONS__
4907 # When using suncc to build, the Solaris linker will mark
4908 # an executable with each instruction set encountered by
4909 # the Solaris assembler. As our libraries contain their own
4910 # guards for processor-specific code, instead suppress
4911 # generation of the HWCAPS ELF section on Solaris x86 only.
4912 enabled_all suncc x86 &&
4913 echo "hwcap_1 = OVERRIDE;" > mapfile &&
4914 add_ldflags -Wl,-M,mapfile
4915 nm_default='nm -P -g'
4917 VERSION_SCRIPT_POSTPROCESS_CMD='perl $(SRC_PATH)/compat/solaris/make_sunver.pl - $(OBJS)'
4921 oss_indev_extralibs="-lossaudio"
4922 oss_outdev_extralibs="-lossaudio"
4923 enabled gcc || check_ldflags -Wl,-zmuldefs
4928 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
4930 oss_indev_extralibs="-lossaudio"
4931 oss_outdev_extralibs="-lossaudio"
4939 add_extralibs -lpoll -lgnugetopt
4943 enabled ppc && add_asflags -force_cpusubtype_ALL
4944 install_name_dir_default='$(SHLIBDIR)'
4945 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(INSTALL_NAME_DIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
4946 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
4948 add_ldflags -Wl,-dynamic,-search_paths_first
4949 check_cflags -Werror=partial-availability
4951 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
4952 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
4953 enabled x86_64 && objformat="macho64" || objformat="macho32"
4954 enabled_any pic shared x86_64 ||
4955 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
4956 check_header dispatch/dispatch.h &&
4957 add_cppflags '-I\$(SRC_PATH)/compat/dispatch_semaphore'
4958 if test -n "$sysroot"; then
4959 is_in -isysroot $cc $CPPFLAGS $CFLAGS || check_cppflags -isysroot $sysroot
4960 is_in -isysroot $ld $LDFLAGS || check_ldflags -isysroot $sysroot
4962 version_script='-exported_symbols_list'
4963 VERSION_SCRIPT_POSTPROCESS_CMD='tr " " "\n" | sed -n /global:/,/local:/p | grep ";" | tr ";" "\n" | sed -E "s/(.+)/_\1/g" | sed -E "s/(.+[^*])$$$$/\1*/"'
4966 die "Native MSYS builds are discouraged, please use the MINGW environment."
4970 if enabled shared; then
4971 # Cannot build both shared and static libs when using dllimport.
4974 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
4975 enabled x86_32 && check_ldflags -Wl,--large-address-aware
4976 shlibdir_default="$bindir_default"
4979 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4980 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4981 SLIB_EXTRA_CMD='cp $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4982 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4984 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4985 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4986 SLIB_CREATE_DEF_CMD='EXTERN_PREFIX="$(EXTERN_PREFIX)" AR="$(AR_CMD)" NM="$(NM_CMD)" $(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
4987 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--disable-auto-image-base $$(@:$(SLIBSUF)=.def)'
4988 enabled x86_64 && objformat="win64" || objformat="win32"
4991 check_ldflags -Wl,--nxcompat,--dynamicbase
4992 # Lets work around some stupidity in binutils.
4993 # ld will strip relocations from executables even though we need them
4994 # for dynamicbase (ASLR). Using -pie does retain the reloc section
4995 # however ld then forgets what the entry point should be (oops) so we
4996 # have to manually (re)set it.
4997 if enabled x86_32; then
4998 disabled debug && add_ldexeflags -Wl,--pic-executable,-e,_mainCRTStartup
4999 elif enabled x86_64; then
5000 disabled debug && add_ldexeflags -Wl,--pic-executable,-e,mainCRTStartup
5001 check_ldflags -Wl,--high-entropy-va # binutils 2.25
5002 # Set image base >4GB for extra entropy with HEASLR
5003 add_ldexeflags -Wl,--image-base,0x140000000
5004 append SHFLAGS -Wl,--image-base,0x180000000
5009 if enabled shared; then
5010 # Link to the import library instead of the normal static library
5013 # Cannot build both shared and static libs with MSVC or icl.
5016 enabled x86_32 && check_ldflags -LARGEADDRESSAWARE
5017 shlibdir_default="$bindir_default"
5020 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
5021 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
5022 SLIB_CREATE_DEF_CMD='EXTERN_PREFIX="$(EXTERN_PREFIX)" $(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
5023 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
5025 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
5026 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
5027 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
5028 enabled x86_64 && objformat="win64" || objformat="win32"
5034 shlibdir_default="$bindir_default"
5037 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
5038 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
5039 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
5041 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
5042 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
5043 enabled x86_64 && objformat="win64" || objformat="win32"
5045 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
5046 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
5048 *-dos|freedos|opendos)
5049 network_extralibs="-lsocket"
5052 add_cppflags -U__STRICT_ANSI__
5055 enable section_data_rel_ro
5056 enabled_any arm aarch64 && enable_weak linux_perf
5060 ranlib="echo ignoring ranlib"
5066 add_cppflags -D_GNU_SOURCE
5067 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zhigh-mem -Zmap
5068 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
5072 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
5073 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(FULLNAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
5074 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(FULLNAME).def; \
5075 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(FULLNAME).def; \
5076 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(FULLNAME).def; \
5077 echo EXPORTS >> $(SUBDIR)$(FULLNAME).def; \
5078 emxexp $(OBJS) >> $(SUBDIR)$(FULLNAME).def'
5079 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(FULLNAME)_dll.a $(SUBDIR)$(FULLNAME).def; \
5080 emximp -o $(SUBDIR)$(LIBPREF)$(FULLNAME)_dll.lib $(SUBDIR)$(FULLNAME).def;'
5081 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
5083 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(FULLNAME)_dll.a $(LIBPREF)$(FULLNAME)_dll.lib'
5085 enable_weak os2threads
5088 add_cppflags -D_BSD_SOURCE
5093 add_cppflags -D_QNX_SOURCE
5094 network_extralibs="-lsocket"
5099 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
5100 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
5101 add_ldflags -Wl,--target1-abs,--no-undefined \
5102 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
5103 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
5104 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
5105 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
5106 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
5113 die "Unknown OS '$target_os'."
5117 # test if creating links works
5118 link_dest=$(mktemp -u $TMPDIR/dest_XXXXXXXX)
5119 link_name=$(mktemp -u $TMPDIR/name_XXXXXXXX)
5121 $ln_s "$link_dest" "$link_name"
5122 touch "$link_dest/test_file"
5123 if [ "$source_path" != "." ] && ([ ! -d src ] || [ -L src ]) && [ -e "$link_name/test_file" ]; then
5124 # create link to source path
5125 [ -e src ] && rm src
5126 $ln_s "$source_path" src
5129 # creating directory links doesn't work
5130 # fall back to using the full source path
5131 source_link="$source_path"
5137 # determine libc flavour
5142 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
5143 if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
5144 eval ${pfx}libc_type=uclibc
5145 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
5146 elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then
5147 eval ${pfx}libc_type=glibc
5148 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
5149 # MinGW headers can be installed on Cygwin, so check for newlib first.
5150 elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
5151 eval ${pfx}libc_type=newlib
5152 add_${pfx}cppflags -U__STRICT_ANSI__ -D_XOPEN_SOURCE=600
5153 # MinGW64 is backwards compatible with MinGW32, so check for it first.
5154 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
5155 eval ${pfx}libc_type=mingw64
5156 if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then
5157 add_compat msvcrt/snprintf.o
5158 add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
5160 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
5161 eval test \$${pfx_no_}cc_type = "gcc" &&
5162 add_${pfx}cppflags -D__printf__=__gnu_printf__
5163 check_${pfx}cpp_condition windows.h "!defined(_WIN32_WINNT) || _WIN32_WINNT < 0x0600" &&
5164 add_${pfx}cppflags -D_WIN32_WINNT=0x0600
5165 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" ||
5166 check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
5167 eval ${pfx}libc_type=mingw32
5168 check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
5169 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
5170 die "ERROR: MinGW32 runtime version must be >= 3.15."
5171 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
5172 check_${pfx}cpp_condition _mingw.h "__MSVCRT_VERSION__ < 0x0700" &&
5173 add_${pfx}cppflags -D__MSVCRT_VERSION__=0x0700
5174 check_${pfx}cpp_condition windows.h "!defined(_WIN32_WINNT) || _WIN32_WINNT < 0x0600" &&
5175 add_${pfx}cppflags -D_WIN32_WINNT=0x0600
5176 eval test \$${pfx_no_}cc_type = "gcc" &&
5177 add_${pfx}cppflags -D__printf__=__gnu_printf__
5178 elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
5179 eval ${pfx}libc_type=msvcrt
5180 if check_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then
5181 if [ "$pfx" = host_ ]; then
5182 add_host_cppflags -Dsnprintf=_snprintf
5184 add_compat strtod.o strtod=avpriv_strtod
5185 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
5186 _snprintf=avpriv_snprintf \
5187 vsnprintf=avpriv_vsnprintf
5190 add_${pfx}cppflags -D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS
5191 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
5192 # 0x601 by default unless something else is set by the user.
5193 # This can easily lead to us detecting functions only present
5194 # in such new versions and producing binaries requiring windows 7.0.
5195 # Therefore explicitly set the default to Vista unless the user has
5196 # set something else on the command line.
5197 # Don't do this if WINAPI_FAMILY is set and is set to a non-desktop
5198 # family. For these cases, configure is free to use any functions
5199 # found in the SDK headers by default. (Alternatively, we could force
5200 # _WIN32_WINNT to 0x0602 in that case.)
5201 check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||
5202 { check_${pfx}cpp <<EOF && add_${pfx}cppflags -D_WIN32_WINNT=0x0600; }
5203 #ifdef WINAPI_FAMILY
5204 #include <winapifamily.h>
5205 #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
5210 if [ "$pfx" = "" ]; then
5211 check_func strtoll || add_cflags -Dstrtoll=_strtoi64
5212 check_func strtoull || add_cflags -Dstrtoull=_strtoui64
5214 elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
5215 eval ${pfx}libc_type=klibc
5216 elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then
5217 eval ${pfx}libc_type=bionic
5218 elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then
5219 eval ${pfx}libc_type=solaris
5220 add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
5222 check_${pfx}cc <<EOF
5224 void *v = localtime_r;
5226 test "$?" != 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
5228 void *v = localtime_r;
5231 eval test -n "\${${pfx}libc_type}" && enable ${pfx}libc_${libc_type}
5237 # hacks for compiler/libc/os combinations
5241 add_compat strtod.o strtod=avpriv_strtod
5245 check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||
5246 add_cppflags '-I\$(SRC_PATH)/compat/float'
5248 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
5251 : ${shlibdir_default:="$libdir"}
5252 : ${pkgconfigdir_default:="$libdir/pkgconfig"}
5254 set_default $PATHS_LIST
5257 disabled optimizations || enabled ossfuzz || check_cflags -fomit-frame-pointer
5260 disabled pic && return
5263 case "$target_os" in
5264 mingw*|cygwin*|win*)
5273 enabled pic && enable_weak_pic
5275 check_cc <<EOF || die "Symbol mangling check failed."
5278 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
5279 extern_prefix=${sym%%ff_extern*}
5281 ! disabled inline_asm && check_inline_asm inline_asm '"" ::'
5284 for restrict_keyword in restrict __restrict__ __restrict; do
5285 check_cc <<EOF && _restrict=$restrict_keyword && break
5286 void foo(char * $restrict_keyword p);
5290 check_cc <<EOF && enable pragma_deprecated
5291 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
5294 check_cc <<EOF || die "endian test failed"
5295 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
5297 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
5299 check_cc <<EOF && enable const_nan
5301 void foo(void) { struct { double d; } static const bar[] = { { NAN } }; }
5304 if ! enabled ppc64 || enabled bigendian; then
5309 log "check_gas using '$as' as AS"
5310 # :vararg is used on aarch64, arm and ppc altivec
5311 check_as <<EOF || return 1
5312 .macro m n, y:vararg=0
5317 # .altmacro is only used in arm asm
5318 ! enabled arm || check_as <<EOF || return 1
5325 if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then
5327 enabled_any arm aarch64 && nogas=die
5328 enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn
5332 arm*) gaspp_as_type=armasm; as_noop=-h ;;
5333 gcc) gaspp_as_type=gas ;;
5334 *) gaspp_as_type=$as_type ;;
5337 [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"
5339 test "${as#*gas-preprocessor.pl}" != "$as" ||
5340 check_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- ${as:=$cc} $as_noop &&
5341 gas="${gas:=gas-preprocessor.pl} -arch $arch -as-type $gaspp_as_type -- ${as:=$cc}"
5343 if ! check_gas ; then
5346 $nogas "GNU assembler not found, install/update gas-preprocessor"
5349 check_as <<EOF && enable as_func
5355 check_inline_asm inline_asm_labels '"1:\n"'
5357 check_inline_asm inline_asm_nonlocal_labels '"Label:\n"'
5359 if enabled aarch64; then
5360 enabled armv8 && check_insn armv8 'prfm pldl1strm, [x0]'
5361 # internal assembler in clang 3.3 does not support this instruction
5362 enabled neon && check_insn neon 'ext v0.8B, v0.8B, v1.8B, #1'
5363 enabled vfp && check_insn vfp 'fmadd d0, d0, d1, d2'
5365 map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM
5367 elif enabled alpha; then
5371 elif enabled arm; then
5373 enabled msvc && check_cpp_condition stddef.h "defined _M_ARMT" && enable thumb
5375 check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb
5376 float func(float a, float b){ return a+b; }
5379 enabled thumb && check_cflags -mthumb || check_cflags -marm
5381 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
5383 elif check_cpp_condition stddef.h "defined _M_ARM_FP && _M_ARM_FP >= 30"; then
5385 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__" && [ $target_os != darwin ]; then
5386 case "${cross_prefix:-$cc}" in
5387 *hardfloat*) enable vfp_args; fpabi=vfp ;;
5388 *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
5389 __asm__ (".eabi_attribute 28, 1");
5390 int main(void) { return 0; }
5393 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
5396 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
5397 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
5398 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
5399 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
5400 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
5401 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
5402 enabled setend && check_insn setend 'setend be'
5404 [ $target_os = linux ] || [ $target_os = android ] ||
5405 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
5408 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
5410 check_as <<EOF && enable as_arch_directive
5413 check_as <<EOF && enable as_fpu_directive
5417 # llvm's integrated assembler supports .object_arch from llvm 3.5
5418 [ "$objformat" = elf32 ] || [ "$objformat" = elf64 ] &&
5419 check_as <<EOF && enable as_object_arch
5423 # MS armasm fails to assemble our PIC constructs
5424 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
5426 elif enabled mips; then
5428 enabled loongson2 && check_inline_asm loongson2 '"dmult.g $8, $9, $10"'
5429 enabled loongson3 && check_inline_asm loongson3 '"gsldxc1 $f0, 0($2, $3)"'
5430 enabled mmi && check_inline_asm mmi '"punpcklhw $f0, $f0, $f0"'
5432 # Enable minimum ISA based on selected options
5433 if enabled mips64; then
5434 enabled mips64r6 && check_inline_asm_flags mips64r6 '"dlsa $0, $0, $0, 1"' '-mips64r6'
5435 enabled mips64r2 && check_inline_asm_flags mips64r2 '"dext $0, $0, 0, 1"' '-mips64r2'
5436 disabled mips64r6 && disabled mips64r2 && check_inline_asm_flags mips64r1 '"daddi $0, $0, 0"' '-mips64'
5438 enabled mips32r6 && check_inline_asm_flags mips32r6 '"aui $0, $0, 0"' '-mips32r6'
5439 enabled mips32r5 && check_inline_asm_flags mips32r5 '"eretnc"' '-mips32r5'
5440 enabled mips32r2 && check_inline_asm_flags mips32r2 '"ext $0, $0, 0, 1"' '-mips32r2'
5441 disabled mips32r6 && disabled mips32r5 && disabled mips32r2 && check_inline_asm_flags mips32r1 '"addi $0, $0, 0"' '-mips32'
5444 enabled mipsfpu && check_inline_asm_flags mipsfpu '"cvt.d.l $f0, $f2"' '-mhard-float'
5445 enabled mipsfpu && (enabled mips32r5 || enabled mips32r6 || enabled mips64r6) && check_inline_asm_flags mipsfpu '"cvt.d.l $f0, $f1"' '-mfp64'
5446 enabled mipsfpu && enabled msa && check_inline_asm_flags msa '"addvi.b $w0, $w1, 1"' '-mmsa' && check_header msa.h || disable msa
5447 enabled mipsdsp && check_inline_asm_flags mipsdsp '"addu.qb $t0, $t1, $t2"' '-mdsp'
5448 enabled mipsdspr2 && check_inline_asm_flags mipsdspr2 '"absq_s.qb $t0, $t1"' '-mdspr2'
5450 if enabled bigendian && enabled msa; then
5454 elif enabled parisc; then
5456 if enabled gcc; then
5457 case $($cc -dumpversion) in
5458 4.[3-9].*) check_cflags -fno-optimize-sibling-calls ;;
5462 elif enabled ppc; then
5464 enable local_aligned
5466 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
5467 check_inline_asm ibm_asm '"add 0, 0, 0"'
5468 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
5469 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
5471 if enabled altivec; then
5472 check_cflags -maltivec -mabi=altivec
5474 # check if our compiler supports Motorola AltiVec C API
5475 check_code cc altivec.h "vector signed int v1 = (vector signed int) { 0 };
5476 vector signed int v2 = (vector signed int) { 1 };
5477 v1 = vec_add(v1, v2);" ||
5480 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
5483 if enabled vsx; then
5484 check_cflags -mvsx &&
5485 check_code cc altivec.h "int v[4] = { 0 };
5486 vector signed int v1 = vec_vsx_ld(0, v);" ||
5490 if enabled power8; then
5491 check_cpp_condition "altivec.h" "defined(_ARCH_PWR8)" || disable power8
5494 elif enabled x86; then
5496 check_builtin rdtsc intrin.h "__rdtsc()"
5497 check_builtin mm_empty mmintrin.h "_mm_empty()"
5499 enable local_aligned
5501 # check whether EBP is available on x86
5502 # As 'i' is stored on the stack, this program will crash
5503 # if the base pointer is used to access it because the
5504 # base pointer is cleared in the inline assembly code.
5505 check_exec_crash <<EOF && enable ebp_available
5507 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
5511 # check whether EBX is available on x86
5512 check_inline_asm ebx_available '""::"b"(0)' &&
5513 check_inline_asm ebx_available '"":::"%ebx"'
5515 # check whether xmm clobbers are supported
5516 check_inline_asm xmm_clobbers '"":::"%xmm0"'
5518 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' ||
5519 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"'
5521 # check whether binutils is new enough to compile SSSE3/MMXEXT
5522 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
5523 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
5527 if check_cmd $x86asmexe_probe -v; then
5528 x86asmexe=$x86asmexe_probe
5530 x86asm_debug="-g -F dwarf"
5532 X86ASM_DEPFLAGS='-MD $(@:.o=.d)'
5533 elif check_cmd $x86asmexe_probe --version; then
5534 x86asmexe=$x86asmexe_probe
5536 x86asm_debug="-g dwarf2"
5537 X86ASMDEP='$(DEPX86ASM) $(X86ASMFLAGS) -M $(X86ASM_O) $< > $(@:.o=.d)'
5540 check_x86asm "movbe ecx, [5]" && enable x86asm
5543 if ! disabled_any asm mmx x86asm; then
5545 for program in $x86asmexe nasm yasm; do
5546 probe_x86asm $program && break
5548 disabled x86asm && die "nasm/yasm not found or too old. Use --disable-x86asm for a crippled build."
5549 X86ASMFLAGS="-f $objformat"
5550 enabled pic && append X86ASMFLAGS "-DPIC"
5551 test -n "$extern_prefix" && append X86ASMFLAGS "-DPREFIX"
5552 case "$objformat" in
5553 elf*) enabled debug && append X86ASMFLAGS $x86asm_debug ;;
5556 check_x86asm "vmovdqa32 [eax]{k1}{z}, zmm0" || disable avx512_external
5557 check_x86asm "vextracti128 xmm0, ymm0, 0" || disable avx2_external
5558 check_x86asm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external
5559 check_x86asm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
5560 check_x86asm "CPU amdnop" || disable cpunop
5564 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
5571 check_code cc arm_neon.h "int16x8_t test = vdupq_n_s16(0)" && enable intrinsics_neon
5573 check_ldflags -Wl,--as-needed
5574 check_ldflags -Wl,-z,noexecstack
5576 if ! disabled network; then
5577 check_func getaddrinfo $network_extralibs
5578 check_func inet_aton $network_extralibs
5580 check_type netdb.h "struct addrinfo"
5581 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
5582 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
5583 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
5584 check_type poll.h "struct pollfd"
5585 check_type netinet/sctp.h "struct sctp_event_subscribe"
5586 check_struct "sys/socket.h" "struct msghdr" msg_flags
5587 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
5588 check_type netinet/in.h "struct sockaddr_in6"
5589 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
5590 check_type "sys/types.h sys/socket.h" socklen_t
5592 # Prefer arpa/inet.h over winsock2
5593 if check_header arpa/inet.h ; then
5594 check_func closesocket
5595 elif check_header winsock2.h ; then
5596 check_func_headers winsock2.h closesocket -lws2 &&
5597 network_extralibs="-lws2" ||
5598 { check_func_headers winsock2.h closesocket -lws2_32 &&
5599 network_extralibs="-lws2_32"; } || disable winsock2_h network
5600 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
5602 check_type ws2tcpip.h socklen_t
5603 check_type ws2tcpip.h "struct addrinfo"
5604 check_type ws2tcpip.h "struct group_source_req"
5605 check_type ws2tcpip.h "struct ip_mreq_source"
5606 check_type ws2tcpip.h "struct ipv6_mreq"
5607 check_type winsock2.h "struct pollfd"
5608 check_struct winsock2.h "struct sockaddr" sa_len
5609 check_type ws2tcpip.h "struct sockaddr_in6"
5610 check_type ws2tcpip.h "struct sockaddr_storage"
5616 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
5617 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
5618 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
5619 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
5620 check_builtin gmtime_r time.h "time_t *time; struct tm *tm; gmtime_r(time, tm)"
5621 check_builtin localtime_r time.h "time_t *time; struct tm *tm; localtime_r(time, tm)"
5622 check_builtin x264_csp_bgr "stdint.h x264.h" "X264_CSP_BGR"
5624 case "$custom_allocator" in
5626 # jemalloc by default does not use a prefix
5627 require libjemalloc jemalloc/jemalloc.h malloc -ljemalloc
5630 require_pkg_config libtcmalloc libtcmalloc gperftools/tcmalloc.h tc_malloc
5635 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
5636 check_func ${malloc_prefix}memalign && enable memalign
5637 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
5640 check_func_headers stdlib.h arc4random
5641 check_lib clock_gettime time.h clock_gettime || check_lib clock_gettime time.h clock_gettime -lrt
5644 check_func gethrtime
5646 check_func getrusage
5647 check_func gettimeofday
5652 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
5653 check_func_headers time.h nanosleep || check_lib nanosleep time.h nanosleep -lrt
5654 check_func sched_getaffinity
5655 check_func setrlimit
5656 check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE
5657 check_func strerror_r
5662 check_func_headers conio.h kbhit
5663 check_func_headers io.h setmode
5664 check_func_headers lzo/lzo1x.h lzo1x_999_compress
5665 check_func_headers mach/mach_time.h mach_absolute_time
5666 check_func_headers stdlib.h getenv
5667 check_func_headers sys/stat.h lstat
5669 check_func_headers windows.h GetProcessAffinityMask
5670 check_func_headers windows.h GetProcessTimes
5671 check_func_headers windows.h GetSystemTimeAsFileTime
5672 check_func_headers windows.h LoadLibrary
5673 check_func_headers windows.h MapViewOfFile
5674 check_func_headers windows.h PeekNamedPipe
5675 check_func_headers windows.h SetConsoleTextAttribute
5676 check_func_headers windows.h SetConsoleCtrlHandler
5677 check_func_headers windows.h Sleep
5678 check_func_headers windows.h VirtualAlloc
5679 check_func_headers glob.h glob
5681 check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext
5683 check_header direct.h
5684 check_header dirent.h
5685 check_header dxgidebug.h
5687 check_header dxva2api.h -D_WIN32_WINNT=0x0600
5689 check_header libcrystalhd/libcrystalhd_if.h
5690 check_header malloc.h
5691 check_header net/udplite.h
5693 check_header sys/param.h
5694 check_header sys/resource.h
5695 check_header sys/select.h
5696 check_header sys/time.h
5697 check_header sys/un.h
5698 check_header termios.h
5699 check_header unistd.h
5700 check_header valgrind/valgrind.h
5701 check_func_headers VideoToolbox/VTCompressionSession.h VTCompressionSessionPrepareToEncodeFrames -framework VideoToolbox
5702 check_header windows.h
5703 check_header X11/extensions/XvMClib.h
5704 check_header asm/types.h
5706 # it seems there are versions of clang in some distros that try to use the
5707 # gcc headers, which explodes for stdatomic
5708 # so we also check that atomics actually work here
5709 check_builtin stdatomic stdatomic.h "atomic_int foo, bar = ATOMIC_VAR_INIT(-1); atomic_store(&foo, 0)"
5711 check_lib advapi32 "windows.h" RegCloseKey -ladvapi32
5712 check_lib ole32 "windows.h" CoTaskMemFree -lole32
5713 check_lib shell32 "windows.h shellapi.h" CommandLineToArgvW -lshell32
5714 check_lib wincrypt "windows.h wincrypt.h" CryptGenRandom -ladvapi32
5715 check_lib psapi "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
5717 enabled appkit && check_apple_framework AppKit
5718 enabled audiotoolbox && check_apple_framework AudioToolbox
5719 enabled avfoundation && check_apple_framework AVFoundation
5720 enabled coreimage && check_apple_framework CoreImage
5721 enabled videotoolbox && check_apple_framework VideoToolbox
5723 check_apple_framework CoreFoundation
5724 check_apple_framework CoreMedia
5725 check_apple_framework CoreVideo
5727 enabled avfoundation && {
5728 disable coregraphics applicationservices
5729 check_lib coregraphics CoreGraphics/CoreGraphics.h CGGetActiveDisplayList "-framework CoreGraphics" ||
5730 check_lib applicationservices ApplicationServices/ApplicationServices.h CGGetActiveDisplayList "-framework ApplicationServices"; }
5732 enabled videotoolbox && {
5733 check_lib coreservices CoreServices/CoreServices.h UTGetOSTypeFromString "-framework CoreServices"
5734 check_func_headers CoreMedia/CMFormatDescription.h kCMVideoCodecType_HEVC "-framework CoreMedia"
5737 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
5739 check_type "windows.h dxva.h" "DXVA_PicParams_HEVC" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0
5740 check_type "windows.h dxva.h" "DXVA_PicParams_VP9" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0
5741 check_type "windows.h d3d11.h" "ID3D11VideoDecoder"
5742 check_type "windows.h d3d11.h" "ID3D11VideoContext"
5743 check_type "d3d9.h dxva2api.h" DXVA2_ConfigPictureDecode -D_WIN32_WINNT=0x0602
5745 check_type "va/va.h va/va_dec_hevc.h" "VAPictureParameterBufferHEVC"
5746 check_type "va/va.h va/va_dec_vp8.h" "VAPictureParameterBufferVP8"
5747 check_struct "va/va.h" "VADecPictureParameterBufferVP9" bit_depth
5748 check_type "va/va.h va/va_vpp.h" "VAProcPipelineParameterBuffer"
5749 check_type "va/va.h va/va_enc_h264.h" "VAEncPictureParameterBufferH264"
5750 check_type "va/va.h va/va_enc_hevc.h" "VAEncPictureParameterBufferHEVC"
5751 check_type "va/va.h va/va_enc_jpeg.h" "VAEncPictureParameterBufferJPEG"
5752 check_type "va/va.h va/va_enc_mpeg2.h" "VAEncPictureParameterBufferMPEG2"
5753 check_type "va/va.h va/va_enc_vp8.h" "VAEncPictureParameterBufferVP8"
5754 check_type "va/va.h va/va_enc_vp9.h" "VAEncPictureParameterBufferVP9"
5756 check_type "vdpau/vdpau.h" "VdpPictureInfoHEVC"
5758 check_cpp_condition windows.h "!WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)" && enable winrt || disable winrt
5760 if ! disabled w32threads && ! enabled pthreads; then
5761 check_func_headers "windows.h process.h" _beginthreadex &&
5762 check_type "windows.h" CONDITION_VARIABLE &&
5763 enable w32threads || disable w32threads
5764 if ! enabled w32threads && enabled winrt; then
5765 check_func_headers "windows.h" CreateThread &&
5766 enable w32threads || disable w32threads
5770 # check for some common methods of building with pthread support
5771 # do this before the optional library checks as some of them require pthreads
5772 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
5773 if check_lib pthreads pthread.h pthread_join -pthread &&
5774 check_lib pthreads pthread.h pthread_create -pthread; then
5776 elif check_lib pthreads pthread.h pthread_join -pthreads &&
5777 check_lib pthreads pthread.h pthread_create -pthreads; then
5778 add_cflags -pthreads
5779 elif check_lib pthreads pthread.h pthread_join -ldl -pthread &&
5780 check_lib pthreads pthread.h pthread_create -ldl -pthread; then
5781 add_cflags -ldl -pthread
5782 elif check_lib pthreads pthread.h pthread_join -lpthreadGC2 &&
5783 check_lib pthreads pthread.h pthread_create -lpthreadGC2; then
5785 elif check_lib pthreads pthread.h pthread_join -lpthread &&
5786 check_lib pthreads pthread.h pthread_create -lpthread; then
5788 elif check_func pthread_join && check_func pthread_create; then
5791 check_code cc "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER" || disable pthreads
5793 if enabled pthreads; then
5794 check_builtin sem_timedwait semaphore.h "sem_t *s; sem_init(s,0,0); sem_timedwait(s,0); sem_destroy(s)" $pthreads_extralibs
5795 check_func pthread_cancel $pthreads_extralibs
5799 enabled zlib && check_lib zlib zlib.h zlibVersion -lz
5800 enabled bzlib && check_lib bzlib bzlib.h BZ2_bzlibVersion -lbz2
5801 enabled lzma && check_lib lzma lzma.h lzma_version_number -llzma
5803 # On some systems dynamic loading requires no extra linker flags
5804 check_lib libdl dlfcn.h "dlopen dlsym" || check_lib libdl dlfcn.h "dlopen dlsym" -ldl
5806 check_lib libm math.h sin -lm
5814 for func in $MATH_FUNCS; do
5815 eval check_mathfunc $func \${${func}_args:-1} $libm_extralibs
5818 for func in $COMPLEX_FUNCS; do
5819 eval check_complexfunc $func \${${func}_args:-1}
5822 # these are off by default, so fail if requested and not available
5823 enabled cuda_sdk && require cuda_sdk cuda.h cuCtxCreate -lcuda
5824 enabled chromaprint && require chromaprint chromaprint.h chromaprint_get_version -lchromaprint
5825 enabled decklink && { require_header DeckLinkAPI.h &&
5826 { check_cpp_condition DeckLinkAPIVersion.h "BLACKMAGIC_DECKLINK_API_VERSION >= 0x0a060100" || die "ERROR: Decklink API version must be >= 10.6.1."; } }
5827 enabled libndi_newtek && require_header Processing.NDI.Lib.h
5828 enabled frei0r && require_header frei0r.h
5829 enabled gmp && require gmp gmp.h mpz_export -lgmp
5830 enabled gnutls && require_pkg_config gnutls gnutls gnutls/gnutls.h gnutls_global_init
5831 enabled jni && { [ $target_os = "android" ] && check_header jni.h && enabled pthreads || die "ERROR: jni not found"; }
5832 enabled ladspa && require_header ladspa.h
5833 enabled lv2 && require_pkg_config lv2 lilv-0 "lilv-0/lilv/lilv.h" lilv_world_new
5834 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
5835 enabled libass && require_pkg_config libass libass ass/ass.h ass_library_init
5836 enabled libbluray && require_pkg_config libbluray libbluray libbluray/bluray.h bd_open
5837 enabled libbs2b && require_pkg_config libbs2b libbs2b bs2b.h bs2b_open
5838 enabled libcelt && require libcelt celt/celt.h celt_decode -lcelt0 &&
5839 { check_lib libcelt celt/celt.h celt_decoder_create_custom -lcelt0 ||
5840 die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
5841 enabled libcaca && require_pkg_config libcaca caca caca.h caca_create_canvas
5842 enabled libdc1394 && require_pkg_config libdc1394 libdc1394-2 dc1394/dc1394.h dc1394_new
5843 enabled libdrm && require_pkg_config libdrm libdrm xf86drm.h drmGetVersion
5844 enabled libfdk_aac && { check_pkg_config libfdk_aac fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen ||
5845 { require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac &&
5846 warn "using libfdk without pkg-config"; } }
5847 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"
5848 enabled libflite && require libflite "flite/flite.h" flite_init $flite_extralibs
5849 enabled fontconfig && enable libfontconfig
5850 enabled libfontconfig && require_pkg_config libfontconfig fontconfig "fontconfig/fontconfig.h" FcInit
5851 enabled libfreetype && require_pkg_config libfreetype freetype2 "ft2build.h FT_FREETYPE_H" FT_Init_FreeType
5852 enabled libfribidi && require_pkg_config libfribidi fribidi fribidi.h fribidi_version_info
5853 enabled libgme && { check_pkg_config libgme libgme gme/gme.h gme_new_emu ||
5854 require libgme gme/gme.h gme_new_emu -lgme -lstdc++; }
5855 enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
5856 check_lib libgsm "${gsm_hdr}" gsm_create -lgsm && break;
5857 done || die "ERROR: libgsm not found"; }
5858 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc $pthreads_extralibs
5859 enabled libkvazaar && require_pkg_config libkvazaar "kvazaar >= 0.8.1" kvazaar.h kvz_api_get
5860 # While it may appear that require is being used as a pkg-config
5861 # fallback for libmfx, it is actually being used to detect a different
5862 # installation route altogether. If libmfx is installed via the Intel
5863 # Media SDK or Intel Media Server Studio, these don't come with
5864 # pkg-config support. Instead, users should make sure that the build
5865 # can find the libraries and headers through other means.
5866 enabled libmfx && { check_pkg_config libmfx libmfx "mfx/mfxvideo.h" MFXInit ||
5867 { require libmfx "mfx/mfxvideo.h" MFXInit "-llibmfx $advapi32_extralibs" && warn "using libmfx without pkg-config"; } }
5868 enabled libmodplug && require_pkg_config libmodplug libmodplug libmodplug/modplug.h ModPlug_Load
5869 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame $libm_extralibs
5870 enabled libmysofa && require libmysofa "mysofa.h" mysofa_load -lmysofa $zlib_extralibs
5871 enabled libnpp && { check_lib libnpp npp.h nppGetLibVersion -lnppig -lnppicc -lnppc ||
5872 check_lib libnpp npp.h nppGetLibVersion -lnppi -lnppc ||
5873 die "ERROR: libnpp not found"; }
5874 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
5875 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
5876 enabled libopencv && { check_header opencv2/core/core_c.h &&
5877 { check_pkg_config libopencv opencv opencv2/core/core_c.h cvCreateImageHeader ||
5878 require libopencv opencv2/core/core_c.h cvCreateImageHeader -lopencv_core -lopencv_imgproc; } ||
5879 require_pkg_config libopencv opencv opencv/cxcore.h cvCreateImageHeader; }
5880 enabled libopenh264 && require_pkg_config libopenh264 openh264 wels/codec_api.h WelsGetCodecVersion
5881 enabled libopenjpeg && { check_pkg_config libopenjpeg "libopenjp2 >= 2.1.0" openjpeg.h opj_version ||
5882 { require_pkg_config libopenjpeg "libopenjp2 >= 2.1.0" openjpeg.h opj_version -DOPJ_STATIC && add_cppflags -DOPJ_STATIC; } }
5883 enabled libopenmpt && require_pkg_config libopenmpt "libopenmpt >= 0.2.6557" libopenmpt/libopenmpt.h openmpt_module_create -lstdc++ && append libopenmpt_extralibs "-lstdc++"
5884 enabled libopus && {
5885 enabled libopus_decoder && {
5886 require_pkg_config libopus opus opus_multistream.h opus_multistream_decoder_create
5888 enabled libopus_encoder && {
5889 require_pkg_config libopus opus opus_multistream.h opus_multistream_surround_encoder_create
5892 enabled libpulse && require_pkg_config libpulse libpulse pulse/pulseaudio.h pa_context_new
5893 enabled librsvg && require_pkg_config librsvg librsvg-2.0 librsvg-2.0/librsvg/rsvg.h rsvg_handle_render_cairo
5894 enabled librtmp && require_pkg_config librtmp librtmp librtmp/rtmp.h RTMP_Socket
5895 enabled librubberband && require_pkg_config librubberband "rubberband >= 1.8.1" rubberband/rubberband-c.h rubberband_new -lstdc++ && append librubberband_extralibs "-lstdc++"
5896 enabled libshine && require_pkg_config libshine shine shine/layer3.h shine_encode_buffer
5897 enabled libsmbclient && { check_pkg_config libsmbclient smbclient libsmbclient.h smbc_init ||
5898 require libsmbclient libsmbclient.h smbc_init -lsmbclient; }
5899 enabled libsnappy && require libsnappy snappy-c.h snappy_compress -lsnappy -lstdc++
5900 enabled libsoxr && require libsoxr soxr.h soxr_create -lsoxr
5901 enabled libssh && require_pkg_config libssh libssh libssh/sftp.h sftp_init
5902 enabled libspeex && require_pkg_config libspeex speex speex/speex.h speex_decoder_init
5903 enabled libtesseract && require_pkg_config libtesseract tesseract tesseract/capi.h TessBaseAPICreate
5904 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
5905 enabled libtls && require_pkg_config libtls libtls tls.h tls_configure
5906 enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame &&
5907 { check_lib libtwolame twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
5908 die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
5909 enabled libv4l2 && require_pkg_config libv4l2 libv4l2 libv4l2.h v4l2_ioctl
5910 enabled libvidstab && require_pkg_config libvidstab "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit
5911 enabled libvmaf && require_pkg_config libvmaf "libvmaf >= 0.6.2" libvmaf.h compute_vmaf
5912 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
5913 enabled libvorbis && require_pkg_config libvorbis vorbis vorbis/codec.h vorbis_info_init &&
5914 require_pkg_config libvorbisenc vorbisenc vorbis/vorbisenc.h vorbis_encode_init
5917 enabled libvpx_vp8_decoder && {
5918 check_pkg_config libvpx_vp8_decoder "vpx >= 1.4.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp8_dx ||
5919 check_lib libvpx_vp8_decoder "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_dec_init_ver VPX_IMG_FMT_HIGHBITDEPTH" -lvpx ||
5920 die "ERROR: libvpx decoder version must be >=1.4.0";
5922 enabled libvpx_vp8_encoder && {
5923 check_pkg_config libvpx_vp8_encoder "vpx >= 1.4.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp8_cx ||
5924 check_lib libvpx_vp8_encoder "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VPX_IMG_FMT_HIGHBITDEPTH" -lvpx ||
5925 die "ERROR: libvpx encoder version must be >=1.4.0";
5927 enabled libvpx_vp9_decoder && {
5928 check_pkg_config libvpx_vp9_decoder "vpx >= 1.4.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx ||
5929 check_lib libvpx_vp9_decoder "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx VPX_IMG_FMT_HIGHBITDEPTH" "-lvpx $libm_extralibs"
5931 enabled libvpx_vp9_encoder && {
5932 check_pkg_config libvpx_vp9_encoder "vpx >= 1.4.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx ||
5933 check_lib libvpx_vp9_encoder "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VPX_IMG_FMT_HIGHBITDEPTH" "-lvpx $libm_extralibs"
5935 if disabled_all libvpx_vp8_decoder libvpx_vp9_decoder libvpx_vp8_encoder libvpx_vp9_encoder; then
5936 die "libvpx enabled but no supported decoders found"
5940 enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack
5941 enabled libwebp && {
5942 enabled libwebp_encoder && require_pkg_config libwebp "libwebp >= 0.2.0" webp/encode.h WebPGetEncoderVersion
5943 enabled libwebp_anim_encoder && check_pkg_config libwebp_anim_encoder "libwebpmux >= 0.4.0" webp/mux.h WebPAnimEncoderOptionsInit; }
5944 enabled libx264 && { check_pkg_config libx264 x264 "stdint.h x264.h" x264_encoder_encode ||
5945 { require libx264 "stdint.h x264.h" x264_encoder_encode "-lx264 $pthreads_extralibs $libm_extralibs" &&
5946 warn "using libx264 without pkg-config"; } } &&
5947 require_cpp_condition x264.h "X264_BUILD >= 118" &&
5948 { check_cpp_condition x264.h "X264_MPEG2" &&
5950 enabled libx265 && require_pkg_config libx265 x265 x265.h x265_api_get &&
5951 require_cpp_condition x265.h "X265_BUILD >= 68"
5952 enabled libxavs && require libxavs "stdint.h xavs.h" xavs_encoder_encode "-lxavs $pthreads_extralibs $libm_extralibs"
5953 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
5954 enabled libzimg && require_pkg_config libzimg "zimg >= 2.7.0" zimg.h zimg_get_api_version
5955 enabled libzmq && require_pkg_config libzmq libzmq zmq.h zmq_ctx_new
5956 enabled libzvbi && require_pkg_config libzvbi zvbi-0.2 libzvbi.h vbi_decoder_new &&
5957 { check_cpp_condition libzvbi.h "VBI_VERSION_MAJOR > 0 || VBI_VERSION_MINOR > 2 || VBI_VERSION_MINOR == 2 && VBI_VERSION_MICRO >= 28" ||
5958 enabled gpl || die "ERROR: libzvbi requires version 0.2.28 or --enable-gpl."; }
5959 enabled libxml2 && require_pkg_config libxml2 libxml-2.0 libxml2/libxml/xmlversion.h xmlCheckVersion
5960 enabled mediacodec && { enabled jni || die "ERROR: mediacodec requires --enable-jni"; }
5961 enabled mmal && { check_lib mmal interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ||
5962 { ! enabled cross_compile &&
5963 add_cflags -isystem/opt/vc/include/ -isystem/opt/vc/include/interface/vmcs_host/linux -isystem/opt/vc/include/interface/vcos/pthreads -fgnu89-inline &&
5964 add_ldflags -L/opt/vc/lib/ &&
5965 check_lib mmal interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host; } ||
5966 die "ERROR: mmal not found" &&
5967 check_func_headers interface/mmal/mmal.h "MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS"; }
5968 enabled openal && { { for al_extralibs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
5969 check_lib openal 'AL/al.h' alGetError "${al_extralibs}" && break; done } ||
5970 die "ERROR: openal not found"; } &&
5971 { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
5972 die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
5973 enabled opencl && { check_lib opencl OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||
5974 check_lib opencl CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||
5975 die "ERROR: opencl not found"; } &&
5976 { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||
5977 check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||
5978 die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }
5979 enabled opengl && { check_lib opengl GL/glx.h glXGetProcAddress "-lGL" ||
5980 check_lib opengl windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||
5981 check_lib opengl OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||
5982 check_lib opengl ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||
5983 die "ERROR: opengl not found."
5985 enabled omx && require_header OMX_Core.h
5986 enabled omx_rpi && { check_header OMX_Core.h ||
5987 { ! enabled cross_compile && add_cflags -isystem/opt/vc/include/IL && check_header OMX_Core.h ; } ||
5988 die "ERROR: OpenMAX IL headers not found"; } && enable omx
5989 enabled openssl && { check_pkg_config openssl openssl openssl/ssl.h OPENSSL_init_ssl ||
5990 check_pkg_config openssl openssl openssl/ssl.h SSL_library_init ||
5991 check_lib openssl openssl/ssl.h SSL_library_init -lssl -lcrypto ||
5992 check_lib openssl openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
5993 check_lib openssl openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
5994 die "ERROR: openssl not found"; }
5995 enabled rkmpp && { require_pkg_config rkmpp rockchip_mpp rockchip/rk_mpi.h mpp_create &&
5996 require_pkg_config rockchip_mpp "rockchip_mpp >= 1.3.7" rockchip/rk_mpi.h mpp_create &&
5998 die "ERROR: rkmpp requires --enable-libdrm"; }
6001 if enabled gcrypt; then
6002 GCRYPT_CONFIG="${cross_prefix}libgcrypt-config"
6003 if "${GCRYPT_CONFIG}" --version > /dev/null 2>&1; then
6004 gcrypt_cflags=$("${GCRYPT_CONFIG}" --cflags)
6005 gcrypt_extralibs=$("${GCRYPT_CONFIG}" --libs)
6006 check_func_headers gcrypt.h gcry_mpi_new $gcrypt_cflags $gcrypt_extralibs ||
6007 die "ERROR: gcrypt not found"
6008 add_cflags $gcrypt_cflags
6010 require gcrypt gcrypt.h gcry_mpi_new -lgcrypt
6014 if enabled sdl2; then
6015 SDL2_CONFIG="${cross_prefix}sdl2-config"
6016 test_pkg_config sdl2 "sdl2 >= 2.0.1 sdl2 < 2.1.0" SDL_events.h SDL_PollEvent
6017 if disabled sdl2 && "${SDL2_CONFIG}" --version > /dev/null 2>&1; then
6018 sdl2_cflags=$("${SDL2_CONFIG}" --cflags)
6019 sdl2_extralibs=$("${SDL2_CONFIG}" --libs)
6020 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x020001" $sdl2_cflags &&
6021 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x020100" $sdl2_cflags &&
6022 check_func_headers SDL_events.h SDL_PollEvent $sdl2_extralibs $sdl2_cflags &&
6025 if test $target_os = "mingw32"; then
6026 sdl2_extralibs=$(filter_out '-mwindows' $sdl2_extralibs)
6030 if enabled decklink; then
6032 mingw32*|mingw64*|win32|win64)
6033 decklink_outdev_extralibs="$decklink_outdev_extralibs -lole32 -loleaut32"
6034 decklink_indev_extralibs="$decklink_indev_extralibs -lole32 -loleaut32"
6039 enabled securetransport &&
6040 check_func SecIdentityCreate "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&
6041 check_lib securetransport "Security/SecureTransport.h Security/Security.h" "SSLCreateContext" "-Wl,-framework,CoreFoundation -Wl,-framework,Security" ||
6042 disable securetransport
6044 enabled securetransport &&
6045 check_func SecItemImport "-Wl,-framework,CoreFoundation -Wl,-framework,Security"
6048 check_func_headers "windows.h security.h" InitializeSecurityContext -DSECURITY_WIN32 -lsecur32 &&
6049 check_cpp_condition winerror.h "defined(SEC_I_CONTEXT_EXPIRED)" &&
6050 schannel_extralibs="-lsecur32" ||
6053 makeinfo --version > /dev/null 2>&1 && enable makeinfo || disable makeinfo
6055 && [ 0$(makeinfo --version | grep "texinfo" | sed 's/.*texinfo[^0-9]*\([0-9]*\)\..*/\1/') -ge 5 ] \
6056 && enable makeinfo_html || disable makeinfo_html
6057 disabled makeinfo_html && texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
6058 perl -v > /dev/null 2>&1 && enable perl || disable perl
6059 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
6060 rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout
6062 # check V4L2 codecs available in the API
6063 check_header linux/fb.h
6064 check_header linux/videodev2.h
6065 check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_sanitized struct_v4l2_frmivalenum_discrete
6066 check_code cc linux/videodev2.h "int i = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_VIDEO_M2M | V4L2_BUF_FLAG_LAST;" || disable v4l2_m2m
6067 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_VC1_ANNEX_G;" && enable vc1_v4l2_m2m
6068 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG1;" && enable mpeg1_v4l2_m2m
6069 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG2;" && enable mpeg2_v4l2_m2m
6070 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG4;" && enable mpeg4_v4l2_m2m
6071 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_HEVC;" && enable hevc_v4l2_m2m
6072 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_H263;" && enable h263_v4l2_m2m
6073 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_H264;" && enable h264_v4l2_m2m
6074 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_VP8;" && enable vp8_v4l2_m2m
6075 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_VP9;" && enable vp9_v4l2_m2m
6077 check_header sys/videoio.h
6078 check_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_sanitized struct_v4l2_frmivalenum_discrete
6080 check_lib user32 "windows.h winuser.h" GetShellWindow -luser32
6081 check_lib vfw32 "windows.h vfw.h" capCreateCaptureWindow -lvfw32
6082 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
6083 # w32api 3.12 had it defined wrong
6084 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
6086 check_type "dshow.h" IBaseFilter
6088 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
6089 check_header "dev/bktr/ioctl_meteor.h dev/bktr/ioctl_bt848.h" ||
6090 check_header "machine/ioctl_meteor.h machine/ioctl_bt848.h" ||
6091 check_header "dev/video/meteor/ioctl_meteor.h dev/video/bktr/ioctl_bt848.h" ||
6092 check_header "dev/ic/bt8xx.h"
6094 if check_struct sys/soundcard.h audio_buf_info bytes; then
6095 enable_sanitized sys/soundcard.h
6097 check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_sanitized sys/soundcard.h
6098 #include <sys/soundcard.h>
6103 enabled alsa && check_pkg_config alsa alsa "alsa/asoundlib.h" snd_pcm_htimestamp ||
6104 check_lib alsa alsa/asoundlib.h snd_pcm_htimestamp -lasound
6107 require_pkg_config libjack jack jack/jack.h jack_port_get_latency_range
6109 enabled sndio && check_lib sndio sndio.h sio_open -lsndio
6111 if enabled libcdio; then
6112 check_pkg_config libcdio libcdio_paranoia "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open ||
6113 check_pkg_config libcdio libcdio_paranoia "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open ||
6114 check_lib libcdio "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
6115 check_lib libcdio "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
6116 die "ERROR: No usable libcdio/cdparanoia found"
6119 enabled libxcb && check_pkg_config libxcb "xcb >= 1.4" xcb/xcb.h xcb_connect ||
6120 disable libxcb_shm libxcb_shape libxcb_xfixes
6122 if enabled libxcb; then
6123 enabled libxcb_shm && check_pkg_config libxcb_shm xcb-shm xcb/shm.h xcb_shm_attach
6124 enabled libxcb_shape && check_pkg_config libxcb_shape xcb-shape xcb/shape.h xcb_shape_get_rectangles
6125 enabled libxcb_xfixes && check_pkg_config libxcb_xfixes xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image
6128 check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs"
6130 # d3d11va requires linking directly to dxgi and d3d11 if not building for
6131 # the desktop api partition
6132 check_cpp <<EOF && enable uwp && d3d11va_extralibs="-ldxgi -ld3d11"
6133 #ifdef WINAPI_FAMILY
6134 #include <winapifamily.h>
6135 #if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
6136 #error desktop, not uwp
6138 // WINAPI_FAMILY_APP, WINAPI_FAMILY_PHONE_APP => UWP
6141 #error no family set
6146 check_lib vaapi va/va.h vaInitialize -lva
6149 check_code cc "va/va.h" "vaCreateSurfaces(0, 0, 0, 0, 0, 0, 0, 0)" ||
6153 check_lib vaapi_drm "va/va.h va/va_drm.h" vaGetDisplayDRM -lva -lva-drm
6156 check_lib vaapi_x11 "va/va.h va/va_x11.h" vaGetDisplay -lva -lva-x11 -lX11
6159 check_cpp_condition "va/va.h" "VA_CHECK_VERSION(1, 0, 0)" &&
6162 if enabled_all opencl vaapi ; then
6163 check_type "CL/cl_intel.h" "clCreateImageFromFdINTEL_fn" &&
6164 enable opencl_vaapi_beignet
6165 if enabled libmfx ; then
6166 check_type "CL/cl.h CL/va_ext.h" "clCreateFromVA_APIMediaSurfaceINTEL_fn" &&
6167 enable opencl_vaapi_intel_media
6171 if enabled_all opencl dxva2 ; then
6172 check_type "CL/cl_dx9_media_sharing.h" cl_dx9_surface_info_khr &&
6176 if enabled_all opencl d3d11va ; then
6177 check_type "CL/cl_d3d11.h" clGetDeviceIDsFromD3D11KHR_fn &&
6181 if enabled_all opencl libdrm ; then
6182 check_func_headers "CL/cl_ext.h" clImportMemoryARM &&
6183 enable opencl_drm_arm
6187 check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
6191 check_lib vdpau_x11 "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau -lX11
6193 enabled crystalhd && check_lib crystalhd "stdint.h libcrystalhd/libcrystalhd_if.h" DtsCrystalHDVersion -lcrystalhd
6195 if enabled x86; then
6197 mingw32*|mingw64*|win32|win64|linux|cygwin*)
6200 disable cuda cuvid nvdec nvenc
6204 disable cuda cuvid nvdec nvenc
6208 check_cc -I$source_path <<EOF || disable nvenc
6209 #include "compat/nvenc/nvEncodeAPI.h"
6210 NV_ENCODE_API_FUNCTION_LIST flist;
6211 void f(void) { struct { const GUID guid; } s[] = { { NV_ENC_PRESET_HQ_GUID } }; }
6212 int main(void) { return 0; }
6216 check_cpp_condition "AMF/core/Version.h" \
6217 "(AMF_VERSION_MAJOR << 48 | AMF_VERSION_MINOR << 32 | AMF_VERSION_RELEASE << 16 | AMF_VERSION_BUILD_NUM) >= 0x0001000400040001" ||
6220 # Funny iconv installations are not unusual, so check it after all flags have been set
6221 if enabled libc_iconv; then
6222 check_func_headers iconv.h iconv
6223 elif enabled iconv; then
6224 check_func_headers iconv.h iconv || check_lib iconv iconv.h iconv -liconv
6227 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
6229 # add some useful compiler flags if supported
6230 check_cflags -Wdeclaration-after-statement
6232 check_cflags -Wdisabled-optimization
6233 check_cflags -Wpointer-arith
6234 check_cflags -Wredundant-decls
6235 check_cflags -Wwrite-strings
6236 check_cflags -Wtype-limits
6237 check_cflags -Wundef
6238 check_cflags -Wmissing-prototypes
6239 check_cflags -Wno-pointer-to-int-cast
6240 check_cflags -Wstrict-prototypes
6241 check_cflags -Wempty-body
6243 if enabled extra_warnings; then
6244 check_cflags -Wcast-qual
6245 check_cflags -Wextra
6246 check_cflags -Wpedantic
6249 check_disable_warning(){
6250 warning_flag=-W${1#-Wno-}
6251 test_cflags $unknown_warning_flags $warning_flag && add_cflags $1
6254 test_cflags -Werror=unused-command-line-argument &&
6255 append unknown_warning_flags "-Werror=unused-command-line-argument"
6256 test_cflags -Werror=unknown-warning-option &&
6257 append unknown_warning_flags "-Werror=unknown-warning-option"
6259 check_disable_warning -Wno-parentheses
6260 check_disable_warning -Wno-switch
6261 check_disable_warning -Wno-format-zero-length
6262 check_disable_warning -Wno-pointer-sign
6263 check_disable_warning -Wno-unused-const-variable
6264 check_disable_warning -Wno-bool-operation
6266 check_disable_warning_headers(){
6267 warning_flag=-W${1#-Wno-}
6268 test_cflags $warning_flag && add_cflags_headers $1
6271 check_disable_warning_headers -Wno-deprecated-declarations
6272 check_disable_warning_headers -Wno-unused-variable
6274 check_cc <<EOF && enable blocks_extension
6275 void (^block)(void);
6278 # add some linker flags
6279 check_ldflags -Wl,--warn-common
6280 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
6281 enabled rpath && add_ldexeflags -Wl,-rpath,$libdir && add_ldsoflags -Wl,-rpath,$libdir
6282 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
6284 # add some strip flags
6287 enabled neon_clobber_test &&
6288 check_ldflags -Wl,--wrap,avcodec_open2 \
6289 -Wl,--wrap,avcodec_decode_audio4 \
6290 -Wl,--wrap,avcodec_decode_video2 \
6291 -Wl,--wrap,avcodec_decode_subtitle2 \
6292 -Wl,--wrap,avcodec_encode_audio2 \
6293 -Wl,--wrap,avcodec_encode_video2 \
6294 -Wl,--wrap,avcodec_encode_subtitle \
6295 -Wl,--wrap,avcodec_send_packet \
6296 -Wl,--wrap,avcodec_receive_packet \
6297 -Wl,--wrap,avcodec_send_frame \
6298 -Wl,--wrap,avcodec_receive_frame \
6299 -Wl,--wrap,swr_convert \
6300 -Wl,--wrap,avresample_convert ||
6301 disable neon_clobber_test
6303 enabled xmm_clobber_test &&
6304 check_ldflags -Wl,--wrap,avcodec_open2 \
6305 -Wl,--wrap,avcodec_decode_audio4 \
6306 -Wl,--wrap,avcodec_decode_video2 \
6307 -Wl,--wrap,avcodec_decode_subtitle2 \
6308 -Wl,--wrap,avcodec_encode_audio2 \
6309 -Wl,--wrap,avcodec_encode_video2 \
6310 -Wl,--wrap,avcodec_encode_subtitle \
6311 -Wl,--wrap,avcodec_send_packet \
6312 -Wl,--wrap,avcodec_receive_packet \
6313 -Wl,--wrap,avcodec_send_frame \
6314 -Wl,--wrap,avcodec_receive_frame \
6315 -Wl,--wrap,swr_convert \
6316 -Wl,--wrap,avresample_convert \
6317 -Wl,--wrap,sws_scale ||
6318 disable xmm_clobber_test
6320 check_ld "cc" <<EOF && enable proper_dce
6321 extern const int array[512];
6322 static inline int func(void) { return array[0]; }
6323 int main(void) { return 0; }
6326 if enabled proper_dce; then
6327 echo "X { local: *; };" > $TMPV
6328 if test_ldflags -Wl,${version_script},$TMPV; then
6329 append SHFLAGS '-Wl,${version_script},\$(SUBDIR)lib\$(NAME).ver'
6331 check_cc <<EOF && enable symver_asm_label
6332 void ff_foo(void) __asm__ ("av_foo@VERSION");
6333 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
6335 check_cc <<EOF && enable symver_gnu_asm
6336 __asm__(".symver ff_foo,av_foo@VERSION");
6337 void ff_foo(void) {}
6342 if [ -z "$optflags" ]; then
6343 if enabled small; then
6344 optflags=$cflags_size
6345 elif enabled optimizations; then
6346 optflags=$cflags_speed
6348 optflags=$cflags_noopt
6352 if [ -z "$nvccflags" ]; then
6353 nvccflags=$nvccflags_default
6356 if enabled x86_64 || enabled ppc64 || enabled aarch64; then
6357 nvccflags="$nvccflags -m64"
6359 nvccflags="$nvccflags -m32"
6364 enabled lto && check_ldflags "$@"
6367 check_optflags $optflags
6368 check_optflags -fno-math-errno
6369 check_optflags -fno-signed-zeros
6371 if enabled lto; then
6372 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
6374 check_ldflags -flto $cpuflags
6375 disable inline_asm_direct_symbol_refs
6378 enabled ftrapv && check_cflags -ftrapv
6380 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
6385 if enabled icc; then
6386 # Just warnings, no remarks
6388 # -wd: Disable following warnings
6389 # 144, 167, 556: -Wno-pointer-sign
6390 # 188: enumerated type mixed with another type
6391 # 1292: attribute "foo" ignored
6392 # 1419: external declaration in primary source file
6393 # 10006: ignoring unknown option -fno-signed-zeros
6394 # 10148: ignoring unknown option -Wno-parentheses
6395 # 10156: ignoring option '-W'; no argument required
6396 # 13200: No EMMS instruction before call to function
6397 # 13203: No EMMS instruction before return from function
6398 check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156,13200,13203
6399 # 11030: Warning unknown option --as-needed
6400 # 10156: ignoring option '-export'; no argument required
6401 check_ldflags -wd10156,11030
6402 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
6403 enable ebp_available
6404 # The test above does not test linking
6405 enabled lto && disable symver_asm_label
6406 if enabled x86_32; then
6407 icc_version=$($cc -dumpversion)
6408 test ${icc_version%%.*} -ge 11 &&
6409 check_cflags -falign-stack=maintain-16-byte ||
6410 disable aligned_stack
6412 elif enabled gcc; then
6413 check_optflags -fno-tree-vectorize
6414 check_cflags -Werror=format-security
6415 check_cflags -Werror=implicit-function-declaration
6416 check_cflags -Werror=missing-prototypes
6417 check_cflags -Werror=return-type
6418 check_cflags -Werror=vla
6419 check_cflags -Wformat
6420 check_cflags -fdiagnostics-color=auto
6421 enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized
6422 elif enabled llvm_gcc; then
6423 check_cflags -mllvm -stack-alignment=16
6424 elif enabled clang; then
6425 check_cflags -mllvm -stack-alignment=16
6426 check_cflags -mstack-alignment=16
6427 check_cflags -Qunused-arguments
6428 check_cflags -Werror=implicit-function-declaration
6429 check_cflags -Werror=missing-prototypes
6430 check_cflags -Werror=return-type
6431 elif enabled cparser; then
6432 add_cflags -Wno-missing-variable-declarations
6433 add_cflags -Wno-empty-statement
6434 elif enabled armcc; then
6435 add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat
6436 add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir
6437 # 2523: use of inline assembly is deprecated
6438 add_cflags -W${armcc_opt},--diag_suppress=2523
6439 add_cflags -W${armcc_opt},--diag_suppress=1207
6440 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
6441 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
6442 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
6443 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
6444 elif enabled pathscale; then
6445 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
6447 elif enabled_any msvc icl; then
6448 enabled x86_32 && disable aligned_stack
6449 enabled_all x86_32 debug && add_cflags -Oy-
6450 enabled debug && add_ldflags -debug
6451 enable pragma_deprecated
6452 if enabled icl; then
6453 # -Qansi-alias is basically -fstrict-aliasing, but does not work
6454 # (correctly) on icl 13.x.
6455 check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&
6456 add_cflags -Qansi-alias
6457 # Some inline asm is not compilable in debug
6458 if enabled debug; then
6459 disable ebp_available
6460 disable ebx_available
6463 # msvcrt10 x64 incorrectly enables log2, only msvcrt12 (MSVC 2013) onwards actually has log2.
6464 check_cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION >= 12" || disable log2
6465 # The CRT headers contain __declspec(restrict) in a few places, but if redefining
6466 # restrict, this might break. MSVC 2010 and 2012 fail with __declspec(__restrict)
6467 # (as it ends up if the restrict redefine is done before including stdlib.h), while
6468 # MSVC 2013 and newer can handle it fine.
6469 # If this declspec fails, force including stdlib.h before the restrict redefinition
6470 # happens in config.h.
6471 if [ $_restrict != restrict ]; then
6472 check_cc <<EOF || add_cflags -FIstdlib.h
6473 __declspec($_restrict) void* foo(int);
6476 # the new SSA optimzer in VS2015 U3 is mis-optimizing some parts of the code
6477 # Issue has been fixed in MSVC v19.00.24218.
6478 check_cpp_condition windows.h "_MSC_FULL_VER >= 190024218" ||
6479 check_cflags -d2SSAOptimizer-
6480 # enable utf-8 source processing on VS2015 U2 and newer
6481 check_cpp_condition windows.h "_MSC_FULL_VER >= 190023918" &&
6485 for pfx in "" host_; do
6486 varname=${pfx%_}cc_type
6487 eval "type=\$$varname"
6488 if [ "$type" = "msvc" ]; then
6489 check_${pfx}cc <<EOF || add_${pfx}cflags -Dinline=__inline
6490 static inline int foo(int a) { return a; }
6497 add_asflags -Qunused-arguments
6503 check_ldflags -Qunused-arguments
6507 enable frame_thread_encoder
6509 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
6511 check_deps $CONFIG_LIST \
6516 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"
6517 enabled avresample && warn "Building with deprecated library libavresample"
6519 if test $target_os = "haiku"; then
6521 disable posix_memalign
6524 flatten_extralibs(){
6525 unset nested_entries
6528 for entry in $list; do
6531 append nested_entries $(filter '*_extralibs' $entry_copy)
6532 flat_entries=$(filter_out '*_extralibs' $entry_copy)
6533 eval $entry="\$flat_entries"
6535 append $list_name "$nested_entries"
6537 resolve nested_entries
6538 if test -n "$(filter '*_extralibs' $nested_entries)"; then
6539 flatten_extralibs $list_name
6543 flatten_extralibs_wrapper(){
6545 flatten_extralibs $list_name
6548 eval $list_name=\$\(\$ldflags_filter \$$list_name\)
6549 eval printf \''%s'\' \""\$$list_name"\"
6552 for linkunit in $LIBRARY_LIST; do
6553 unset current_extralibs
6554 eval components=\$$(toupper ${linkunit})_COMPONENTS_LIST
6555 for comp in ${components}; do
6556 enabled $comp || continue
6557 comp_extralibs="${comp}_extralibs"
6558 append current_extralibs $comp_extralibs
6560 eval prepend ${linkunit}_extralibs $current_extralibs
6563 for linkunit in $LIBRARY_LIST $PROGRAM_LIST $EXTRALIBS_LIST; do
6564 eval ${linkunit}_extralibs=\$\(flatten_extralibs_wrapper ${linkunit}_extralibs\)
6567 map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST
6569 for thread in $THREADS_LIST; do
6570 if enabled $thread; then
6571 test -n "$thread_type" &&
6572 die "ERROR: Only one thread type must be selected." ||
6573 thread_type="$thread"
6577 if disabled stdatomic; then
6578 if enabled atomics_gcc; then
6579 add_cppflags '-I\$(SRC_PATH)/compat/atomics/gcc'
6580 elif enabled atomics_win32; then
6581 add_cppflags '-I\$(SRC_PATH)/compat/atomics/win32'
6582 elif enabled atomics_suncc; then
6583 add_cppflags '-I\$(SRC_PATH)/compat/atomics/suncc'
6584 elif enabled pthreads; then
6585 add_compat atomics/pthread/stdatomic.o
6586 add_cppflags '-I\$(SRC_PATH)/compat/atomics/pthread'
6588 enabled threads && die "Threading is enabled, but no atomics are available"
6589 add_cppflags '-I\$(SRC_PATH)/compat/atomics/dummy'
6593 # Check if requested libraries were found.
6594 for lib in $AUTODETECT_LIBS; do
6595 requested $lib && ! enabled $lib && die "ERROR: $lib requested but not found";
6598 enabled zlib && add_cppflags -DZLIB_CONST
6600 # conditional library dependencies, in linking order
6601 enabled afftfilt_filter && prepend avfilter_deps "avcodec"
6602 enabled afir_filter && prepend avfilter_deps "avcodec"
6603 enabled amovie_filter && prepend avfilter_deps "avformat avcodec"
6604 enabled aresample_filter && prepend avfilter_deps "swresample"
6605 enabled atempo_filter && prepend avfilter_deps "avcodec"
6606 enabled cover_rect_filter && prepend avfilter_deps "avformat avcodec"
6607 enabled convolve_filter && prepend avfilter_deps "avcodec"
6608 enabled deconvolve_filter && prepend avfilter_deps "avcodec"
6609 enabled ebur128_filter && enabled swresample && prepend avfilter_deps "swresample"
6610 enabled elbg_filter && prepend avfilter_deps "avcodec"
6611 enabled fftfilt_filter && prepend avfilter_deps "avcodec"
6612 enabled find_rect_filter && prepend avfilter_deps "avformat avcodec"
6613 enabled firequalizer_filter && prepend avfilter_deps "avcodec"
6614 enabled mcdeint_filter && prepend avfilter_deps "avcodec"
6615 enabled movie_filter && prepend avfilter_deps "avformat avcodec"
6616 enabled pan_filter && prepend avfilter_deps "swresample"
6617 enabled pp_filter && prepend avfilter_deps "postproc"
6618 enabled removelogo_filter && prepend avfilter_deps "avformat avcodec swscale"
6619 enabled resample_filter && prepend avfilter_deps "avresample"
6620 enabled sab_filter && prepend avfilter_deps "swscale"
6621 enabled scale_filter && prepend avfilter_deps "swscale"
6622 enabled scale2ref_filter && prepend avfilter_deps "swscale"
6623 enabled sofalizer_filter && prepend avfilter_deps "avcodec"
6624 enabled showcqt_filter && prepend avfilter_deps "avformat avcodec swscale"
6625 enabled showfreqs_filter && prepend avfilter_deps "avcodec"
6626 enabled showspectrum_filter && prepend avfilter_deps "avcodec"
6627 enabled signature_filter && prepend avfilter_deps "avcodec avformat"
6628 enabled smartblur_filter && prepend avfilter_deps "swscale"
6629 enabled spectrumsynth_filter && prepend avfilter_deps "avcodec"
6630 enabled spp_filter && prepend avfilter_deps "avcodec"
6631 enabled subtitles_filter && prepend avfilter_deps "avformat avcodec"
6632 enabled uspp_filter && prepend avfilter_deps "avcodec"
6633 enabled zoompan_filter && prepend avfilter_deps "swscale"
6635 enabled lavfi_indev && prepend avdevice_deps "avfilter"
6638 enabled sdl2_outdev && add_cflags $(filter_out '-Dmain=SDL_main' $sdl2_cflags)
6640 enabled opus_decoder && prepend avcodec_deps "swresample"
6644 eval "deps=\$$lib_deps"
6645 append $lib_deps $(map 'eval echo \$${v}_deps' $deps)
6649 #we have to remove gpl from the deps here as some code assumes all lib deps are libs
6650 postproc_deps="$(filter_out 'gpl' $postproc_deps)"
6652 map 'expand_deps $v' $LIBRARY_LIST
6654 license="LGPL version 2.1 or later"
6655 if enabled nonfree; then
6656 license="nonfree and unredistributable"
6657 elif enabled gplv3; then
6658 license="GPL version 3 or later"
6659 elif enabled lgplv3; then
6660 license="LGPL version 3 or later"
6661 elif enabled gpl; then
6662 license="GPL version 2 or later"
6665 if test "$quiet" != "yes"; then
6667 echo "install prefix $prefix"
6668 echo "source path $source_path"
6669 echo "C compiler $cc"
6670 echo "C library $libc_type"
6671 if test "$host_cc" != "$cc"; then
6672 echo "host C compiler $host_cc"
6673 echo "host C library $host_libc_type"
6675 echo "ARCH $arch ($cpu)"
6676 if test "$build_suffix" != ""; then
6677 echo "build suffix $build_suffix"
6679 if test "$progs_suffix" != ""; then
6680 echo "progs suffix $progs_suffix"
6682 if test "$extra_version" != ""; then
6683 echo "version string suffix $extra_version"
6685 echo "big-endian ${bigendian-no}"
6686 echo "runtime cpu detection ${runtime_cpudetect-no}"
6687 if enabled x86; then
6688 echo "standalone assembly ${x86asm-no}"
6689 echo "x86 assembler ${x86asmexe}"
6690 echo "MMX enabled ${mmx-no}"
6691 echo "MMXEXT enabled ${mmxext-no}"
6692 echo "3DNow! enabled ${amd3dnow-no}"
6693 echo "3DNow! extended enabled ${amd3dnowext-no}"
6694 echo "SSE enabled ${sse-no}"
6695 echo "SSSE3 enabled ${ssse3-no}"
6696 echo "AESNI enabled ${aesni-no}"
6697 echo "AVX enabled ${avx-no}"
6698 echo "AVX2 enabled ${avx2-no}"
6699 echo "AVX-512 enabled ${avx512-no}"
6700 echo "XOP enabled ${xop-no}"
6701 echo "FMA3 enabled ${fma3-no}"
6702 echo "FMA4 enabled ${fma4-no}"
6703 echo "i686 features enabled ${i686-no}"
6704 echo "CMOV is fast ${fast_cmov-no}"
6705 echo "EBX available ${ebx_available-no}"
6706 echo "EBP available ${ebp_available-no}"
6708 if enabled aarch64; then
6709 echo "NEON enabled ${neon-no}"
6710 echo "VFP enabled ${vfp-no}"
6712 if enabled arm; then
6713 echo "ARMv5TE enabled ${armv5te-no}"
6714 echo "ARMv6 enabled ${armv6-no}"
6715 echo "ARMv6T2 enabled ${armv6t2-no}"
6716 echo "VFP enabled ${vfp-no}"
6717 echo "NEON enabled ${neon-no}"
6718 echo "THUMB enabled ${thumb-no}"
6720 if enabled mips; then
6721 echo "MIPS FPU enabled ${mipsfpu-no}"
6722 echo "MIPS DSP R1 enabled ${mipsdsp-no}"
6723 echo "MIPS DSP R2 enabled ${mipsdspr2-no}"
6724 echo "MIPS MSA enabled ${msa-no}"
6725 echo "LOONGSON MMI enabled ${mmi-no}"
6727 if enabled ppc; then
6728 echo "AltiVec enabled ${altivec-no}"
6729 echo "VSX enabled ${vsx-no}"
6730 echo "POWER8 enabled ${power8-no}"
6731 echo "PPC 4xx optimizations ${ppc4xx-no}"
6732 echo "dcbzl available ${dcbzl-no}"
6734 echo "debug symbols ${debug-no}"
6735 echo "strip symbols ${stripping-no}"
6736 echo "optimize for size ${small-no}"
6737 echo "optimizations ${optimizations-no}"
6738 echo "static ${static-no}"
6739 echo "shared ${shared-no}"
6740 echo "postprocessing support ${postproc-no}"
6741 echo "network support ${network-no}"
6742 echo "threading support ${thread_type-no}"
6743 echo "safe bitstream reader ${safe_bitstream_reader-no}"
6744 echo "texi2html enabled ${texi2html-no}"
6745 echo "perl enabled ${perl-no}"
6746 echo "pod2man enabled ${pod2man-no}"
6747 echo "makeinfo enabled ${makeinfo-no}"
6748 echo "makeinfo supports HTML ${makeinfo_html-no}"
6749 test -n "$random_seed" &&
6750 echo "random seed ${random_seed}"
6753 echo "External libraries:"
6754 print_enabled '' $EXTERNAL_LIBRARY_LIST $EXTERNAL_AUTODETECT_LIBRARY_LIST | print_in_columns
6757 echo "External libraries providing hardware acceleration:"
6758 print_enabled '' $HWACCEL_LIBRARY_LIST $HWACCEL_AUTODETECT_LIBRARY_LIST | print_in_columns
6762 print_enabled '' $LIBRARY_LIST | print_in_columns
6766 print_enabled '' $PROGRAM_LIST | print_in_columns
6769 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
6770 echo "Enabled ${type}s:"
6771 eval list=\$$(toupper $type)_LIST
6772 print_enabled '_*' $list | print_in_columns
6776 if test -n "$ignore_tests"; then
6777 ignore_tests=$(echo $ignore_tests | tr ',' ' ')
6778 echo "Ignored FATE tests:"
6779 echo $ignore_tests | print_in_columns
6783 echo "License: $license"
6785 fi # test "$quiet" != "yes"
6787 if test -n "$WARNINGS"; then
6788 printf "\n%s%s$WARNINGS%s" "$warn_color" "$bold_color" "$reset_color"
6789 enabled fatal_warnings && exit 1
6792 test -e Makefile || echo "include $source_path/Makefile" > Makefile
6795 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
6798 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" > ffbuild/config.fate
6800 enabled stripping || strip="echo skipping strip"
6801 enabled stripping || striptype=""
6803 config_files="$TMPH ffbuild/config.mak doc/config.texi"
6805 cat > ffbuild/config.mak <<EOF
6806 # Automatically generated by configure - do not modify!
6807 ifndef FFMPEG_CONFIG_MAK
6809 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
6811 LIBDIR=\$(DESTDIR)$libdir
6812 SHLIBDIR=\$(DESTDIR)$shlibdir
6813 INCDIR=\$(DESTDIR)$incdir
6814 BINDIR=\$(DESTDIR)$bindir
6815 DATADIR=\$(DESTDIR)$datadir
6816 DOCDIR=\$(DESTDIR)$docdir
6817 MANDIR=\$(DESTDIR)$mandir
6818 PKGCONFIGDIR=\$(DESTDIR)$pkgconfigdir
6819 INSTALL_NAME_DIR=$install_name_dir
6820 SRC_PATH=$source_path
6821 SRC_LINK=$source_link
6822 ifndef MAIN_MAKEFILE
6823 SRC_PATH:=\$(SRC_PATH:.%=..%)
6827 INTRINSICS=$intrinsics
6828 EXTERN_PREFIX=$extern_prefix
6835 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
6837 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
6839 DEPX86ASM=$x86asmexe
6840 DEPX86ASMFLAGS=\$(X86ASMFLAGS)
6848 STRIPTYPE=$striptype
6855 OBJCFLAGS=$OBJCFLAGS
6857 NVCCFLAGS=$nvccflags
6878 LDEXEFLAGS=$LDEXEFLAGS
6879 LDSOFLAGS=$LDSOFLAGS
6880 SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
6881 ASMSTRIPFLAGS=$ASMSTRIPFLAGS
6882 X86ASMFLAGS=$X86ASMFLAGS
6883 BUILDSUF=$build_suffix
6884 PROGSSUF=$progs_suffix
6892 EXTRA_VERSION=$extra_version
6895 CCDEP_FLAGS=$CCDEP_FLAGS
6897 ASDEP_FLAGS=$ASDEP_FLAGS
6898 X86ASMDEP=$X86ASMDEP
6899 X86ASMDEP_FLAGS=$X86ASMDEP_FLAGS
6900 CC_DEPFLAGS=$CC_DEPFLAGS
6901 AS_DEPFLAGS=$AS_DEPFLAGS
6902 X86ASM_DEPFLAGS=$X86ASM_DEPFLAGS
6905 HOSTCFLAGS=$host_cflags
6906 HOSTCPPFLAGS=$host_cppflags
6907 HOSTEXESUF=$HOSTEXESUF
6908 HOSTLDFLAGS=$host_ldflags
6909 HOSTEXTRALIBS=$host_extralibs
6911 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
6912 HOSTCCDEP=$HOSTCCDEP
6913 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
6914 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
6918 TARGET_EXEC=$target_exec $target_exec_args
6919 TARGET_PATH=$target_path
6920 TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}
6921 CFLAGS-ffplay=${sdl2_cflags}
6922 CFLAGS_HEADERS=$CFLAGS_HEADERS
6923 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
6924 EXTRALIBS=$extralibs
6925 COMPAT_OBJS=$compat_objs
6927 SLIBNAME=${SLIBNAME}
6928 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
6929 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
6930 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
6931 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
6932 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
6933 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
6934 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
6935 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
6936 VERSION_SCRIPT_POSTPROCESS_CMD=${VERSION_SCRIPT_POSTPROCESS_CMD}
6937 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
6938 NOREDZONE_FLAGS=$noredzone_flags
6939 LIBFUZZER_PATH=$libfuzzer_path
6940 IGNORE_TESTS=$ignore_tests
6943 map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> ffbuild/config.mak' $LIBRARY_LIST
6945 for entry in $LIBRARY_LIST $PROGRAM_LIST $EXTRALIBS_LIST; do
6946 eval echo "EXTRALIBS-${entry}=\$${entry}_extralibs" >> ffbuild/config.mak
6950 /* Automatically generated by configure - do not modify! */
6951 #ifndef FFMPEG_CONFIG_H
6952 #define FFMPEG_CONFIG_H
6953 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
6954 #define FFMPEG_LICENSE "$(c_escape $license)"
6955 #define CONFIG_THIS_YEAR 2018
6956 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
6957 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
6958 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
6959 #define av_restrict $_restrict
6960 #define EXTERN_PREFIX "${extern_prefix}"
6961 #define EXTERN_ASM ${extern_prefix}
6962 #define BUILDSUF "$build_suffix"
6963 #define SLIBSUF "$SLIBSUF"
6964 #define HAVE_MMX2 HAVE_MMXEXT
6965 #define SWS_MAX_FILTER_SIZE $sws_max_filter_size
6968 test -n "$assert_level" &&
6969 echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
6971 test -n "$malloc_prefix" &&
6972 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
6974 if enabled x86asm; then
6975 append config_files $TMPASM
6977 ; Automatically generated by configure - do not modify!
6981 enabled getenv || echo "#define getenv(x) NULL" >> $TMPH
6987 echo "@c auto-generated by configure - do not modify! " > doc/config.texi
6989 print_config ARCH_ "$config_files" $ARCH_LIST
6990 print_config HAVE_ "$config_files" $HAVE_LIST
6991 print_config CONFIG_ "$config_files" $CONFIG_LIST \
6995 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
6996 echo "endif # FFMPEG_CONFIG_MAK" >> ffbuild/config.mak
6998 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
6999 cp_if_changed $TMPH config.h
7000 touch ffbuild/.config
7002 enabled x86asm && cp_if_changed $TMPASM config.asm
7005 /* Generated by ffmpeg configure */
7006 #ifndef AVUTIL_AVCONFIG_H
7007 #define AVUTIL_AVCONFIG_H
7010 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
7012 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
7014 cp_if_changed $TMPH libavutil/avconfig.h
7016 # generate the lists of enabled components
7017 print_enabled_components(){
7022 echo "static const $struct_name * const $name[] = {" > $TMPH
7024 enabled $c && printf " &ff_%s,\n" $c >> $TMPH
7026 echo " NULL };" >> $TMPH
7027 cp_if_changed $TMPH $file
7030 print_enabled_components libavcodec/bsf_list.c AVBitStreamFilter bitstream_filters $BSF_LIST
7031 print_enabled_components libavformat/protocol_list.c URLProtocol url_protocols $PROTOCOL_LIST
7033 # Settings for pkg-config files
7036 # Automatically generated by configure - do not modify!
7038 build_suffix=$build_suffix
7042 rpath=$(enabled rpath && echo "-Wl,-rpath,\${libdir}")
7043 source_path=${source_path}
7046 extralibs_avutil="$avutil_extralibs"
7047 extralibs_avcodec="$avcodec_extralibs"
7048 extralibs_avformat="$avformat_extralibs"
7049 extralibs_avdevice="$avdevice_extralibs"
7050 extralibs_avfilter="$avfilter_extralibs"
7051 extralibs_avresample="$avresample_extralibs"
7052 extralibs_postproc="$postproc_extralibs"
7053 extralibs_swscale="$swscale_extralibs"
7054 extralibs_swresample="$swresample_extralibs"
7057 for lib in $LIBRARY_LIST; do
7058 lib_deps="$(eval echo \$${lib}_deps)"
7059 echo ${lib}_deps=\"$lib_deps\" >> $TMPH
7062 cp_if_changed $TMPH ffbuild/config.sh