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-libcodec2 enable codec2 en/decoding using libcodec2 [no]
228 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
230 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
231 --enable-libflite enable flite (voice synthesis) support via libflite [no]
232 --enable-libfontconfig enable libfontconfig, useful for drawtext filter [no]
233 --enable-libfreetype enable libfreetype, needed for drawtext filter [no]
234 --enable-libfribidi enable libfribidi, improves drawtext filter [no]
235 --enable-libgme enable Game Music Emu via libgme [no]
236 --enable-libgsm enable GSM de/encoding via libgsm [no]
237 --enable-libiec61883 enable iec61883 via libiec61883 [no]
238 --enable-libilbc enable iLBC de/encoding via libilbc [no]
239 --enable-libjack enable JACK audio sound server [no]
240 --enable-libkvazaar enable HEVC encoding via libkvazaar [no]
241 --enable-libmodplug enable ModPlug via libmodplug [no]
242 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
243 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
244 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
245 --enable-libopencv enable video filtering via libopencv [no]
246 --enable-libopenh264 enable H.264 encoding via OpenH264 [no]
247 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
248 --enable-libopenmpt enable decoding tracked files via libopenmpt [no]
249 --enable-libopus enable Opus de/encoding via libopus [no]
250 --enable-libpulse enable Pulseaudio input via libpulse [no]
251 --enable-librsvg enable SVG rasterization via librsvg [no]
252 --enable-librubberband enable rubberband needed for rubberband filter [no]
253 --enable-librtmp enable RTMP[E] support via librtmp [no]
254 --enable-libshine enable fixed-point MP3 encoding via libshine [no]
255 --enable-libsmbclient enable Samba protocol via libsmbclient [no]
256 --enable-libsnappy enable Snappy compression, needed for hap encoding [no]
257 --enable-libsoxr enable Include libsoxr resampling [no]
258 --enable-libspeex enable Speex de/encoding via libspeex [no]
259 --enable-libssh enable SFTP protocol via libssh [no]
260 --enable-libtesseract enable Tesseract, needed for ocr filter [no]
261 --enable-libtheora enable Theora encoding via libtheora [no]
262 --enable-libtls enable LibreSSL (via libtls), needed for https support
263 if openssl or gnutls is not used [no]
264 --enable-libtwolame enable MP2 encoding via libtwolame [no]
265 --enable-libv4l2 enable libv4l2/v4l-utils [no]
266 --enable-libvidstab enable video stabilization using vid.stab [no]
267 --enable-libvmaf enable vmaf filter via libvmaf [no]
268 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
269 --enable-libvorbis enable Vorbis en/decoding via libvorbis,
270 native implementation exists [no]
271 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
272 --enable-libwavpack enable wavpack encoding via libwavpack [no]
273 --enable-libwebp enable WebP encoding via libwebp [no]
274 --enable-libx264 enable H.264 encoding via x264 [no]
275 --enable-libx265 enable HEVC encoding via x265 [no]
276 --enable-libxavs enable AVS encoding via xavs [no]
277 --enable-libxcb enable X11 grabbing using XCB [autodetect]
278 --enable-libxcb-shm enable X11 grabbing shm communication [autodetect]
279 --enable-libxcb-xfixes enable X11 grabbing mouse rendering [autodetect]
280 --enable-libxcb-shape enable X11 grabbing shape rendering [autodetect]
281 --enable-libxvid enable Xvid encoding via xvidcore,
282 native MPEG-4/Xvid encoder exists [no]
283 --enable-libxml2 enable XML parsing using the C library libxml2 [no]
284 --enable-libzimg enable z.lib, needed for zscale filter [no]
285 --enable-libzmq enable message passing via libzmq [no]
286 --enable-libzvbi enable teletext support via libzvbi [no]
287 --enable-lv2 enable LV2 audio filtering [no]
288 --disable-lzma disable lzma [autodetect]
289 --enable-decklink enable Blackmagic DeckLink I/O support [no]
290 --enable-libndi_newtek enable Newteck NDI I/O support [no]
291 --enable-mediacodec enable Android MediaCodec support [no]
292 --enable-libmysofa enable libmysofa, needed for sofalizer filter [no]
293 --enable-openal enable OpenAL 1.1 capture support [no]
294 --enable-opencl enable OpenCL processing [no]
295 --enable-opengl enable OpenGL rendering [no]
296 --enable-openssl enable openssl, needed for https support
297 if gnutls or libtls is not used [no]
298 --disable-sndio disable sndio support [autodetect]
299 --disable-schannel disable SChannel SSP, needed for TLS support on
300 Windows if openssl and gnutls are not used [autodetect]
301 --disable-sdl2 disable sdl2 [autodetect]
302 --disable-securetransport disable Secure Transport, needed for TLS support
303 on OSX if openssl and gnutls are not used [autodetect]
304 --disable-xlib disable xlib [autodetect]
305 --disable-zlib disable zlib [autodetect]
307 The following libraries provide various hardware acceleration features:
308 --disable-amf disable AMF video encoding code [autodetect]
309 --disable-audiotoolbox disable Apple AudioToolbox code [autodetect]
310 --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 --disable-ffnvcodec disable dynamically linked Nvidia code [autodetect]
315 --enable-libdrm enable DRM code (Linux) [no]
316 --enable-libmfx enable Intel MediaSDK (AKA Quick Sync Video) code via libmfx [no]
317 --enable-libnpp enable Nvidia Performance Primitives-based code [no]
318 --enable-mmal enable Broadcom Multi-Media Abstraction Layer (Raspberry Pi) via MMAL [no]
319 --disable-nvdec disable Nvidia video decoding acceleration (via hwaccel) [autodetect]
320 --disable-nvenc disable Nvidia video encoding code [autodetect]
321 --enable-omx enable OpenMAX IL code [no]
322 --enable-omx-rpi enable OpenMAX IL code for Raspberry Pi [no]
323 --enable-rkmpp enable Rockchip Media Process Platform code [no]
324 --disable-v4l2-m2m disable V4L2 mem2mem code [autodetect]
325 --disable-vaapi disable Video Acceleration API (mainly Unix/Intel) code [autodetect]
326 --disable-vdpau disable Nvidia Video Decode and Presentation API for Unix code [autodetect]
327 --disable-videotoolbox disable VideoToolbox code [autodetect]
330 --arch=ARCH select architecture [$arch]
331 --cpu=CPU select the minimum required CPU (affects
332 instruction selection, may crash on older CPUs)
333 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
334 --progs-suffix=SUFFIX program name suffix []
335 --enable-cross-compile assume a cross-compiler is used
336 --sysroot=PATH root of cross-build tree
337 --sysinclude=PATH location of cross-build system headers
338 --target-os=OS compiler targets OS [$target_os]
339 --target-exec=CMD command to run executables on target
340 --target-path=DIR path to view of build directory on target
341 --target-samples=DIR path to samples directory on target
342 --tempprefix=PATH force fixed dir/prefix instead of mktemp for checks
343 --toolchain=NAME set tool defaults according to NAME
344 --nm=NM use nm tool NM [$nm_default]
345 --ar=AR use archive tool AR [$ar_default]
346 --as=AS use assembler AS [$as_default]
347 --ln_s=LN_S use symbolic link tool LN_S [$ln_s_default]
348 --strip=STRIP use strip tool STRIP [$strip_default]
349 --windres=WINDRES use windows resource compiler WINDRES [$windres_default]
350 --x86asmexe=EXE use nasm-compatible assembler EXE [$x86asmexe_default]
351 --cc=CC use C compiler CC [$cc_default]
352 --cxx=CXX use C compiler CXX [$cxx_default]
353 --objcc=OCC use ObjC compiler OCC [$cc_default]
354 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
355 --nvcc=NVCC use Nvidia CUDA compiler NVCC [$nvcc_default]
356 --ld=LD use linker LD [$ld_default]
357 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
358 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
359 --ranlib=RANLIB use ranlib RANLIB [$ranlib_default]
360 --doxygen=DOXYGEN use DOXYGEN to generate API doc [$doxygen_default]
361 --host-cc=HOSTCC use host C compiler HOSTCC
362 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
363 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
364 --host-ld=HOSTLD use host linker HOSTLD
365 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
366 --host-libs=HLIBS use libs HLIBS when linking for host
367 --host-os=OS compiler host OS [$target_os]
368 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
369 --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
370 --extra-objcflags=FLAGS add FLAGS to OBJCFLAGS [$CFLAGS]
371 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
372 --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
373 --extra-ldsoflags=ELDFLAGS add ELDFLAGS to LDSOFLAGS [$LDSOFLAGS]
374 --extra-libs=ELIBS add ELIBS [$ELIBS]
375 --extra-version=STRING version string suffix []
376 --optflags=OPTFLAGS override optimization-related compiler flags
377 --nvccflags=NVCCFLAGS override nvcc flags [$nvccflags_default]
378 --build-suffix=SUFFIX library name suffix []
379 --enable-pic build position-independent code
380 --enable-thumb compile for Thumb instruction set
381 --enable-lto use link-time optimization
382 --env="ENV=override" override the environment variables
384 Advanced options (experts only):
385 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
386 --custom-allocator=NAME use a supported custom allocator
387 --disable-symver disable symbol versioning
388 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
389 --disable-safe-bitstream-reader
390 disable buffer boundary checking in bitreaders
391 (faster, but may crash)
392 --sws-max-filter-size=N the max filter size swscale uses [$sws_max_filter_size_default]
394 Optimization options (experts only):
395 --disable-asm disable all assembly optimizations
396 --disable-altivec disable AltiVec optimizations
397 --disable-vsx disable VSX optimizations
398 --disable-power8 disable POWER8 optimizations
399 --disable-amd3dnow disable 3DNow! optimizations
400 --disable-amd3dnowext disable 3DNow! extended optimizations
401 --disable-mmx disable MMX optimizations
402 --disable-mmxext disable MMXEXT optimizations
403 --disable-sse disable SSE optimizations
404 --disable-sse2 disable SSE2 optimizations
405 --disable-sse3 disable SSE3 optimizations
406 --disable-ssse3 disable SSSE3 optimizations
407 --disable-sse4 disable SSE4 optimizations
408 --disable-sse42 disable SSE4.2 optimizations
409 --disable-avx disable AVX optimizations
410 --disable-xop disable XOP optimizations
411 --disable-fma3 disable FMA3 optimizations
412 --disable-fma4 disable FMA4 optimizations
413 --disable-avx2 disable AVX2 optimizations
414 --disable-avx512 disable AVX-512 optimizations
415 --disable-aesni disable AESNI optimizations
416 --disable-armv5te disable armv5te optimizations
417 --disable-armv6 disable armv6 optimizations
418 --disable-armv6t2 disable armv6t2 optimizations
419 --disable-vfp disable VFP optimizations
420 --disable-neon disable NEON optimizations
421 --disable-inline-asm disable use of inline assembly
422 --disable-x86asm disable use of standalone x86 assembly
423 --disable-mipsdsp disable MIPS DSP ASE R1 optimizations
424 --disable-mipsdspr2 disable MIPS DSP ASE R2 optimizations
425 --disable-msa disable MSA optimizations
426 --disable-mipsfpu disable floating point MIPS optimizations
427 --disable-mmi disable Loongson SIMD optimizations
428 --disable-fast-unaligned consider unaligned accesses slow
430 Developer options (useful when working on FFmpeg itself):
431 --disable-debug disable debugging symbols
432 --enable-debug=LEVEL set the debug level [$debuglevel]
433 --disable-optimizations disable compiler optimizations
434 --enable-extra-warnings enable more compiler warnings
435 --disable-stripping disable stripping of executables and shared libraries
436 --assert-level=level 0(default), 1 or 2, amount of assertion testing,
437 2 causes a slowdown at runtime.
438 --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
439 --valgrind=VALGRIND run "make fate" tests through valgrind to detect memory
440 leaks and errors, using the specified valgrind binary.
441 Cannot be combined with --target-exec
442 --enable-ftrapv Trap arithmetic overflows
443 --samples=PATH location of test samples for FATE, if not set use
444 \$FATE_SAMPLES at make invocation time.
445 --enable-neon-clobber-test check NEON registers for clobbering (should be
446 used only for debugging purposes)
447 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
448 should be used only for debugging purposes)
449 --enable-random randomly enable/disable components
451 --enable-random=LIST randomly enable/disable specific components or
452 --disable-random=LIST component groups. LIST is a comma-separated list
453 of NAME[:PROB] entries where NAME is a component
454 (group) and PROB the probability associated with
456 --random-seed=VALUE seed value for --enable/disable-random
457 --disable-valgrind-backtrace do not print a backtrace under Valgrind
458 (only applies to --disable-optimizations builds)
459 --enable-osfuzz Enable building fuzzer tool
460 --libfuzzer=PATH path to libfuzzer
461 --ignore-tests=TESTS comma-separated list (without "fate-" prefix
462 in the name) of tests whose result is ignored
463 --enable-linux-perf enable Linux Performance Monitor API
465 NOTE: Object files are built at the place where configure is launched.
470 if test -t 1 && which tput >/dev/null 2>&1; then
471 ncolors=$(tput colors)
472 if test -n "$ncolors" && test $ncolors -ge 8; then
473 bold_color=$(tput bold)
474 warn_color=$(tput setaf 3)
475 error_color=$(tput setaf 1)
476 reset_color=$(tput sgr0)
478 # 72 used instead of 80 since that's the default of pr
484 echo "$@" >> $logfile
489 pr -n -t $1 >> $logfile
495 WARNINGS="${WARNINGS}WARNING: $*\n"
500 echo "$error_color$bold_color$@$reset_color"
503 If you think configure made a mistake, make sure you are using the latest
504 version from Git. If the latest version fails, report the problem to the
505 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
507 if disabled logging; then
509 Rerun configure with logging enabled (do not use --disable-logging), and
510 include the log this produces with your report.
514 Include the log file "$logfile" produced by configure as this will help
521 # Avoid locale weirdness, besides we really just want to translate ASCII.
523 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
527 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
531 echo "$*" | sed 's/["\\]/\\\0/g'
535 v=$(echo "$1" | sed "s/'/'\\\\''/g")
536 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
541 echo "$@" | sed 's/^ *//;s/[[:space:]][[:space:]]*/ /g;s/ *$//'
548 eval "case '$v' in $pat) printf '%s ' '$v' ;; esac"
556 eval "case '$v' in $pat) ;; *) printf '%s ' '$v' ;; esac"
563 for v; do eval $m; done
569 for v; do echo ${v}${suffix}; done
575 for v; do echo ${v%$suffix}; done
590 eval : \${$var:=$value}
595 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
601 eval $(sanitize_var_name "$var")='$*'
605 eval echo \$$(sanitize_var_name "$1")
610 eval level=\${${pvar}_level:=0}
611 eval ${pvar}_${level}="\$$pvar"
612 eval ${pvar}_level=$(($level+1))
618 eval level=\${${pvar}_level:-0}
619 test $level = 0 && continue
620 eval level=$(($level-1))
621 eval $pvar="\${${pvar}_${level}}"
622 eval ${pvar}_level=$level
623 eval unset ${pvar}_${level}
629 eval ${var}_requested=yes
652 enable $(sanitize_var_name $var)
658 disable $(sanitize_var_name $var)
664 enabled $var && continue
665 eval sel="\$${var}_select"
666 eval sgs="\$${var}_suggest"
670 enable_deep_weak $sgs
682 disabled $var && continue
691 test "${1#!}" = "$1" && op="=" || op="!="
692 eval test "x\$${1#!}_requested" $op "xyes"
696 test "${1#!}" = "$1" && op="=" || op="!="
697 eval test "x\$${1#!}" $op "xyes"
701 test "${1#!}" = "$1" && op="=" || op="!="
702 eval test "x\$${1#!}" $op "xno"
707 enabled $opt || return 1
713 disabled $opt || return 1
719 enabled $opt && return 0
725 disabled $opt && return 0
732 eval : \${$opt:=\$${opt}_default}
740 [ $var = $value ] && return 0
747 enabled ${cfg}_checking && die "Circular dependency for $cfg."
748 disabled ${cfg}_checking && continue
749 enable ${cfg}_checking
751 eval dep_all="\$${cfg}_deps"
752 eval dep_any="\$${cfg}_deps_any"
753 eval dep_con="\$${cfg}_conflict"
754 eval dep_sel="\$${cfg}_select"
755 eval dep_sgs="\$${cfg}_suggest"
756 eval dep_ifa="\$${cfg}_if"
757 eval dep_ifn="\$${cfg}_if_any"
759 pushvar cfg dep_all dep_any dep_con dep_sel dep_sgs dep_ifa dep_ifn
760 check_deps $dep_all $dep_any $dep_con $dep_sel $dep_sgs $dep_ifa $dep_ifn
761 popvar cfg dep_all dep_any dep_con dep_sel dep_sgs dep_ifa dep_ifn
763 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
764 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
765 enabled_all $dep_all || { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but not all dependencies are satisfied: $dep_all"; }
766 enabled_any $dep_any || { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but not any dependency is satisfied: $dep_any"; }
767 disabled_all $dep_con || { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but some conflicting dependencies are unsatisfied: $dep_con"; }
768 disabled_any $dep_sel && { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but some selected dependency is unsatisfied: $dep_sel"; }
770 enabled $cfg && enable_deep_weak $dep_sel $dep_sgs
772 for dep in $dep_all $dep_any $dep_sel $dep_sgs; do
773 # filter out library deps, these do not belong in extralibs
774 is_in $dep $LIBRARY_LIST && continue
775 enabled $dep && eval append ${cfg}_extralibs ${dep}_extralibs
778 disable ${cfg}_checking
786 map 'eval echo "$v \${$v:-no}"' "$@" |
787 awk "BEGIN { split(\"$files\", files) }
789 c = \"$pfx\" toupper(\$1);
795 if (file ~ /\\.h\$/) {
796 printf(\"#define %s %d\\n\", c, v) >>file;
797 } else if (file ~ /\\.asm\$/) {
798 printf(\"%%define %s %d\\n\", c, v) >>file;
799 } else if (file ~ /\\.mak\$/) {
800 n = -v ? \"\" : \"!\";
801 printf(\"%s%s=yes\\n\", n, c) >>file;
802 } else if (file ~ /\\.texi\$/) {
803 pre = -v ? \"\" : \"@c \";
806 gsub(/_/, \"-\", c2);
807 printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
817 enabled $v && printf "%s\n" ${v%$suf}
824 eval "$var=\"\$$var $*\""
830 eval "$var=\"$* \$$var\""
836 for tok in $(eval echo \$$var); do
837 uniq_list="$(filter_out $tok $uniq_list) $tok"
839 eval "$var=\"${uniq_list}\""
845 for entry in $(eval echo \$$var); do
846 tmpvar="$tmpvar $(eval echo \$${entry})"
848 eval "$var=\"${tmpvar}\""
856 append CFLAGS $($cflags_filter "$@")
859 add_cflags_headers(){
860 append CFLAGS_HEADERS $($cflags_filter "$@")
864 append CXXFLAGS $($cflags_filter "$@")
868 append ASFLAGS $($asflags_filter "$@")
872 append OBJCFLAGS $($objcflags_filter "$@")
876 append LDFLAGS $($ldflags_filter "$@")
880 append LDEXEFLAGS $($ldflags_filter "$@")
884 append LDSOFLAGS $($ldflags_filter "$@")
888 append ASMSTRIPFLAGS "$@"
892 prepend extralibs $($ldflags_filter "$@")
896 append host_cppflags "$@"
900 append host_cflags $($host_cflags_filter "$@")
904 append host_ldflags $($host_ldflags_filter "$@")
908 append compat_objs $1
910 map 'add_cppflags -D$v' "$@"
915 "$@" >> $logfile 2>&1
920 stat "$1" >> $logfile 2>&1
924 eval printf '%s\\n' $CC_O
928 eval printf '%s\\n' $CC_E
935 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
942 check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
949 check_cmd $objcc -Werror=missing-prototypes $CPPFLAGS $CFLAGS $OBJCFLAGS "$@" $OBJCC_C $(cc_o $TMPO) $TMPM
956 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
960 eval printf '%s\\n' $AS_O
967 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
971 log check_inline_asm "$@"
976 check_cc "$@" <<EOF && enable $name
977 void foo(void){ __asm__ volatile($code); }
981 check_inline_asm_flags(){
982 log check_inline_asm_flags "$@"
987 while [ "$1" != "" ]; do
993 void foo(void){ __asm__ volatile($code); }
996 check_cmd $cc $CPPFLAGS $CFLAGS $flags "$@" $CC_C $(cc_o $TMPO) $TMPC &&
997 enable $name && add_cflags $flags && add_asflags $flags && add_ldflags $flags
1002 check_inline_asm ${1}_inline "\"$2\""
1003 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
1007 log check_x86asm "$@"
1011 check_cmd $x86asmexe $X86ASMFLAGS -Werror "$@" -o $TMPO $TMPS
1015 eval printf '%s\\n' $LD_O
1022 flags=$(filter_out '-l*|*.so' $@)
1023 libs=$(filter '-l*|*.so' $@)
1024 check_$type $($cflags_filter $flags) || return
1025 flags=$($ldflags_filter $flags)
1026 libs=$($ldflags_filter $libs)
1027 check_cmd $ld $LDFLAGS $LDEXEFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
1032 test "${hdr%.h}" = "${hdr}" &&
1033 echo "#include $hdr" ||
1034 echo "#include <$hdr>"
1044 for hdr in $headers; do
1047 echo "int main(void) { $code; return 0; }"
1048 } | check_$check "$@"
1052 log check_cppflags "$@"
1053 check_cpp "$@" <<EOF && append CPPFLAGS "$@"
1059 log test_cflags "$@"
1060 set -- $($cflags_filter "$@")
1067 log check_cflags "$@"
1068 test_cflags "$@" && add_cflags "$@"
1072 log check_cxxflags "$@"
1073 set -- $($cflags_filter "$@")
1074 check_cxx "$@" <<EOF && append CXXFLAGS "$@"
1080 log test_objcflags "$@"
1081 set -- $($objcflags_filter "$@")
1082 check_objcc "$@" <<EOF
1088 log check_objcflags "$@"
1089 test_objcflags "$@" && add_objcflags "$@"
1093 log test_ldflags "$@"
1094 set -- $($ldflags_filter "$@")
1095 check_ld "cc" "$@" <<EOF
1096 int main(void){ return 0; }
1101 log check_ldflags "$@"
1102 test_ldflags "$@" && add_ldflags "$@"
1106 log test_stripflags "$@"
1107 # call check_cc to get a fresh TMPO
1109 int main(void) { return 0; }
1111 check_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO
1115 log check_stripflags "$@"
1116 test_stripflags "$@" && add_stripflags "$@"
1120 log check_header "$@"
1123 disable_sanitized $headers
1125 for hdr in $headers; do
1129 } | check_cpp "$@" && enable_sanitized $headers
1132 check_header_objcc(){
1133 log check_header_objcc "$@"
1137 disable_sanitized $header
1139 echo "#include <$header>"
1140 echo "int main(void) { return 0; }"
1141 } | check_objcc && check_stat "$TMPO" && enable_sanitized $header
1144 check_apple_framework(){
1145 log check_apple_framework "$@"
1147 name="$(tolower $framework)"
1148 header="${framework}/${framework}.h"
1150 check_header_objcc $header &&
1151 enable $name && eval ${name}_extralibs='"-framework $framework"'
1159 check_ld "cc" "$@" <<EOF && enable $func
1161 int main(void){ $func(); }
1165 check_complexfunc(){
1166 log check_complexfunc "$@"
1170 test $narg = 2 && args="f, g" || args="f * I"
1172 check_ld "cc" "$@" <<EOF && enable $func
1173 #include <complex.h>
1175 float foo(complex float f, complex float g) { return $func($args); }
1176 int main(void){ return (int) foo; }
1181 log check_mathfunc "$@"
1185 test $narg = 2 && args="f, g" || args="f"
1187 check_ld "cc" "$@" <<EOF && enable $func
1189 float foo(float f, float g) { return $func($args); }
1190 int main(void){ return (int) foo; }
1194 check_func_headers(){
1195 log check_func_headers "$@"
1200 for hdr in $headers; do
1203 echo "#include <stdint.h>"
1204 for func in $funcs; do
1205 echo "long check_$func(void) { return (long) $func; }"
1207 echo "int main(void) { int ret = 0;"
1208 # LTO could optimize out the test functions without this
1209 for func in $funcs; do
1210 echo " ret |= ((intptr_t)check_$func) & 0xFFFF;"
1212 echo "return ret; }"
1213 } | check_ld "cc" "$@" && enable $funcs && enable_sanitized $headers
1216 check_class_headers_cpp(){
1217 log check_class_headers_cpp "$@"
1222 for hdr in $headers; do
1223 echo "#include <$hdr>"
1225 echo "int main(void) { "
1227 for class in $classes; do
1228 echo "$class obj$i;"
1232 } | check_ld "cxx" "$@" && enable $funcs && enable_sanitized $headers
1235 check_cpp_condition(){
1236 log check_cpp_condition "$@"
1240 check_cpp "$@" <<EOF
1243 #error "unsatisfied condition: $condition"
1249 log test_cflags_cc "$@"
1254 set -- $($cflags_filter "$flags")
1258 #error "unsatisfied condition: $condition"
1270 check_func_headers "$headers" "$funcs" "$@" &&
1271 enable $name && eval ${name}_extralibs="\$@"
1275 log check_lib_cpp "$@"
1281 check_class_headers_cpp "$headers" "$classes" "$@" &&
1282 enable $name && eval ${name}_extralibs="\$@"
1286 log test_pkg_config "$@"
1294 check_cmd $pkg_config --exists --print-errors $pkg_version || return
1295 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1296 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1297 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1299 set_sanitized "${name}_cflags" $pkg_cflags &&
1300 set_sanitized "${name}_extralibs" $pkg_libs
1304 log check_pkg_config "$@"
1306 test_pkg_config "$@" &&
1307 eval add_cflags \$${name}_cflags
1311 check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1315 log check_exec_crash "$@"
1318 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1319 # are safe but may not be available everywhere. Thus we use
1320 # raise(SIGTERM) instead. The check is run in a subshell so we
1321 # can redirect the "Terminated" message from the shell. SIGBUS
1322 # is not defined by standard C so it is used conditionally.
1324 (check_exec "$@") >> $logfile 2>&1 <<EOF
1326 static void sighandler(int sig){
1332 int (*func_ptr)(void) = foo;
1334 signal(SIGILL, sighandler);
1335 signal(SIGFPE, sighandler);
1336 signal(SIGSEGV, sighandler);
1338 signal(SIGBUS, sighandler);
1350 disable_sanitized "$type"
1351 check_code cc "$headers" "$type v" "$@" && enable_sanitized "$type"
1355 log check_struct "$@"
1360 disable_sanitized "${struct}_${member}"
1361 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1362 enable_sanitized "${struct}_${member}"
1366 log check_builtin "$@"
1372 check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1375 check_compile_assert(){
1376 log check_compile_assert "$@"
1382 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1392 check_lib $name "$headers" $func "$@" || die "ERROR: $name_version not found"
1400 check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1404 log require_header "$@"
1407 check_header "$headers" "$@" || die "ERROR: $headers not found"
1410 require_cpp_condition(){
1411 log require_cpp_condition "$@"
1415 check_cpp_condition "$header" "$condition" "$@" || die "ERROR: $condition not satisfied"
1418 require_pkg_config(){
1419 log require_pkg_config "$@"
1421 check_pkg_config "$@" || die "ERROR: $pkg_version not found using pkg-config$pkg_config_fail_message"
1425 eval printf '%s\\n' $HOSTCC_E
1429 eval printf '%s\\n' $HOSTCC_O
1433 log check_host_cc "$@"
1436 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1440 log check_host_cpp "$@"
1443 check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1446 check_host_cppflags(){
1447 log check_host_cppflags "$@"
1448 check_host_cpp "$@" <<EOF && append host_cppflags "$@"
1453 check_host_cflags(){
1454 log check_host_cflags "$@"
1455 set -- $($host_cflags_filter "$@")
1456 check_host_cc "$@" <<EOF && append host_cflags "$@"
1461 check_host_cpp_condition(){
1462 log check_host_cpp_condition "$@"
1466 check_host_cpp "$@" <<EOF
1469 #error "unsatisfied condition: $condition"
1475 cmp -s "$1" "$2" && { test "$quiet" != "yes" && echo "$2 is unchanged"; } && return
1476 mkdir -p "$(dirname $2)"
1480 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1481 # system-dependent things.
1483 AVCODEC_COMPONENTS="
1491 AVDEVICE_COMPONENTS="
1496 AVFILTER_COMPONENTS="
1500 AVFORMAT_COMPONENTS="
1508 $AVDEVICE_COMPONENTS
1509 $AVFILTER_COMPONENTS
1510 $AVFORMAT_COMPONENTS
1514 avio_dir_cmd_example
1515 avio_reading_example
1516 decode_audio_example
1517 decode_video_example
1518 demuxing_decoding_example
1519 encode_audio_example
1520 encode_video_example
1522 filter_audio_example
1523 filtering_audio_example
1524 filtering_video_example
1525 http_multiclient_example
1531 resampling_audio_example
1532 scaling_video_example
1533 transcode_aac_example
1535 vaapi_encode_example
1536 vaapi_transcode_example
1539 EXTERNAL_AUTODETECT_LIBRARY_LIST="
1559 EXTERNAL_LIBRARY_GPL_LIST="
1571 EXTERNAL_LIBRARY_NONFREE_LIST="
1579 EXTERNAL_LIBRARY_VERSION3_LIST="
1588 EXTERNAL_LIBRARY_GPLV3_LIST="
1592 EXTERNAL_LIBRARY_LIST="
1593 $EXTERNAL_LIBRARY_GPL_LIST
1594 $EXTERNAL_LIBRARY_NONFREE_LIST
1595 $EXTERNAL_LIBRARY_VERSION3_LIST
1596 $EXTERNAL_LIBRARY_GPLV3_LIST
1655 HWACCEL_AUTODETECT_LIBRARY_LIST="
1673 # catchall list of things that require external libs to link
1679 HWACCEL_LIBRARY_NONFREE_LIST="
1684 HWACCEL_LIBRARY_LIST="
1685 $HWACCEL_LIBRARY_NONFREE_LIST
1706 safe_bitstream_reader
1752 # COMPONENT_LIST needs to come last to ensure correct dependency checking
1756 $EXTERNAL_LIBRARY_LIST
1757 $EXTERNAL_AUTODETECT_LIBRARY_LIST
1758 $HWACCEL_LIBRARY_LIST
1759 $HWACCEL_AUTODETECT_LIBRARY_LIST
1791 $EXTERNAL_AUTODETECT_LIBRARY_LIST
1792 $HWACCEL_AUTODETECT_LIBRARY_LIST
1834 ARCH_EXT_LIST_MIPS="
1846 ARCH_EXT_LIST_LOONGSON="
1852 ARCH_EXT_LIST_X86_SIMD="
1882 $ARCH_EXT_LIST_X86_SIMD
1892 $ARCH_EXT_LIST_LOONGSON
1913 sync_val_compare_and_swap
1930 cdio_paranoia_paranoia_h
1933 dev_bktr_ioctl_bt848_h
1934 dev_bktr_ioctl_meteor_h
1936 dev_video_bktr_ioctl_bt848_h
1937 dev_video_meteor_ioctl_meteor_h
1945 machine_ioctl_bt848_h
1946 machine_ioctl_meteor_h
1948 opencv2_core_core_c_h
2010 MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS
2028 GetProcessAffinityMask
2029 GetProcessMemoryInfo
2032 GetSystemTimeAsFileTime
2055 SetConsoleTextAttribute
2056 SetConsoleCtrlHandler
2064 UTGetOSTypeFromString
2076 TOOLCHAIN_FEATURES="
2088 inline_asm_direct_symbol_refs
2090 inline_asm_nonlocal_labels
2101 kCMVideoCodecType_HEVC
2104 struct_group_source_req
2105 struct_ip_mreq_source
2107 struct_msghdr_msg_flags
2109 struct_rusage_ru_maxrss
2110 struct_sctp_event_subscribe
2112 struct_sockaddr_sa_len
2113 struct_sockaddr_storage
2114 struct_stat_st_mtim_tv_nsec
2115 struct_v4l2_frmivalenum_discrete
2120 $(add_suffix _external $ARCH_EXT_LIST)
2121 $(add_suffix _inline $ARCH_EXT_LIST)
2141 opencl_vaapi_beignet
2142 opencl_vaapi_intel_media
2148 # options emitted with CONFIG_ prefix but not available on the command line
2170 frame_thread_encoder
2326 # code dependency declarations
2328 # architecture extensions
2333 armv8_deps="aarch64"
2334 neon_deps_any="aarch64 arm"
2335 intrinsics_neon_deps="neon"
2336 vfp_deps_any="aarch64 arm"
2340 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
2349 loongson2_deps="mips"
2350 loongson3_deps="mips"
2351 mips32r2_deps="mips"
2352 mips32r5_deps="mips"
2353 mips32r6_deps="mips"
2354 mips64r2_deps="mips"
2355 mips64r6_deps="mips"
2358 mipsdspr2_deps="mips"
2363 x86_64_select="i686"
2364 x86_64_suggest="fast_cmov"
2367 amd3dnowext_deps="amd3dnow"
2385 mmx_external_deps="x86asm"
2386 mmx_inline_deps="inline_asm x86"
2387 mmx_suggest="mmx_external mmx_inline"
2389 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
2390 eval dep=\$${ext}_deps
2391 eval ${ext}_external_deps='"${dep}_external"'
2392 eval ${ext}_inline_deps='"${dep}_inline"'
2393 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
2396 aligned_stack_if_any="aarch64 ppc x86"
2397 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
2398 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
2399 fast_unaligned_if_any="aarch64 ppc x86"
2400 simd_align_16_if_any="altivec neon sse"
2401 simd_align_32_if_any="avx"
2402 simd_align_64_if_any="avx512"
2404 # system capabilities
2405 symver_if_any="symver_asm_label symver_gnu_asm"
2406 valgrind_backtrace_conflict="optimizations"
2407 valgrind_backtrace_deps="valgrind_valgrind_h"
2410 atomics_gcc_if="sync_val_compare_and_swap"
2411 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
2412 atomics_win32_if="MemoryBarrier"
2413 atomics_native_if_any="$ATOMICS_LIST"
2414 w32threads_deps="atomics_native"
2415 threads_if_any="$THREADS_LIST"
2418 cbs_h264_select="cbs golomb"
2419 cbs_h265_select="cbs golomb"
2420 cbs_mpeg2_select="cbs"
2422 dirac_parse_select="golomb"
2423 error_resilience_select="me_cmp"
2425 faandct_select="fdctdsp"
2426 faanidct_deps="faan"
2427 faanidct_select="idctdsp"
2428 h264dsp_select="startcode"
2429 hevcparse_select="golomb"
2430 frame_thread_encoder_deps="encoders threads"
2431 intrax8_select="blockdsp idctdsp"
2434 me_cmp_select="fdctdsp idctdsp pixblockdsp"
2435 mpeg_er_select="error_resilience"
2436 mpegaudio_select="mpegaudiodsp mpegaudioheader"
2437 mpegaudiodsp_select="dct"
2438 mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp mpeg_er videodsp"
2439 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
2440 vc1dsp_select="h264chroma qpeldsp startcode"
2443 # decoders / encoders
2444 aac_decoder_select="adts_header mdct15 mdct sinewin"
2445 aac_fixed_decoder_select="mdct sinewin"
2446 aac_encoder_select="audio_frame_queue iirfilter lpc mdct sinewin"
2447 aac_latm_decoder_select="aac_decoder aac_latm_parser"
2448 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
2449 ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"
2450 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
2451 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
2452 adpcm_g722_decoder_select="g722dsp"
2453 adpcm_g722_encoder_select="g722dsp"
2454 aic_decoder_select="golomb idctdsp"
2455 alac_encoder_select="lpc"
2456 als_decoder_select="bswapdsp"
2457 amrnb_decoder_select="lsp"
2458 amrwb_decoder_select="lsp"
2459 amv_decoder_select="sp5x_decoder exif"
2460 amv_encoder_select="aandcttables jpegtables mpegvideoenc"
2461 ape_decoder_select="bswapdsp llauddsp"
2462 apng_decoder_deps="zlib"
2463 apng_encoder_deps="zlib"
2464 apng_encoder_select="llvidencdsp"
2465 aptx_decoder_select="audio_frame_queue"
2466 aptx_encoder_select="audio_frame_queue"
2467 aptx_hd_decoder_select="audio_frame_queue"
2468 aptx_hd_encoder_select="audio_frame_queue"
2469 asv1_decoder_select="blockdsp bswapdsp idctdsp"
2470 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
2471 asv2_decoder_select="blockdsp bswapdsp idctdsp"
2472 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
2473 atrac1_decoder_select="mdct sinewin"
2474 atrac3_decoder_select="mdct"
2475 atrac3p_decoder_select="mdct sinewin"
2476 avrn_decoder_select="exif jpegtables"
2477 bink_decoder_select="blockdsp hpeldsp"
2478 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
2479 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
2480 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
2481 clearvideo_decoder_select="idctdsp"
2482 cllc_decoder_select="bswapdsp"
2483 comfortnoise_encoder_select="lpc"
2484 cook_decoder_select="audiodsp mdct sinewin"
2485 cscd_decoder_select="lzo"
2486 cscd_decoder_suggest="zlib"
2487 dca_decoder_select="mdct"
2488 dds_decoder_select="texturedsp"
2489 dirac_decoder_select="dirac_parse dwt golomb videodsp mpegvideoenc"
2490 dnxhd_decoder_select="blockdsp idctdsp"
2491 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
2492 dolby_e_decoder_select="mdct"
2493 dvvideo_decoder_select="dvprofile idctdsp"
2494 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
2495 dxa_decoder_deps="zlib"
2496 dxv_decoder_select="lzf texturedsp"
2497 eac3_decoder_select="ac3_decoder"
2498 eac3_encoder_select="ac3_encoder"
2499 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
2500 eatgq_decoder_select="aandcttables"
2501 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp"
2502 exr_decoder_deps="zlib"
2503 ffv1_decoder_select="rangecoder"
2504 ffv1_encoder_select="rangecoder"
2505 ffvhuff_decoder_select="huffyuv_decoder"
2506 ffvhuff_encoder_select="huffyuv_encoder"
2507 fic_decoder_select="golomb"
2508 flac_decoder_select="flacdsp"
2509 flac_encoder_select="bswapdsp flacdsp lpc"
2510 flashsv2_decoder_deps="zlib"
2511 flashsv2_encoder_deps="zlib"
2512 flashsv_decoder_deps="zlib"
2513 flashsv_encoder_deps="zlib"
2514 flv_decoder_select="h263_decoder"
2515 flv_encoder_select="h263_encoder"
2516 fourxm_decoder_select="blockdsp bswapdsp"
2517 fraps_decoder_select="bswapdsp huffman"
2518 g2m_decoder_deps="zlib"
2519 g2m_decoder_select="blockdsp idctdsp jpegtables"
2520 g729_decoder_select="audiodsp"
2521 h261_decoder_select="mpegvideo"
2522 h261_encoder_select="aandcttables mpegvideoenc"
2523 h263_decoder_select="h263_parser h263dsp mpegvideo qpeldsp"
2524 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
2525 h263i_decoder_select="h263_decoder"
2526 h263p_decoder_select="h263_decoder"
2527 h263p_encoder_select="h263_encoder"
2528 h264_decoder_select="cabac golomb h264chroma h264dsp h264parse h264pred h264qpel videodsp"
2529 h264_decoder_suggest="error_resilience"
2530 hap_decoder_select="snappy texturedsp"
2531 hap_encoder_deps="libsnappy"
2532 hap_encoder_select="texturedspenc"
2533 hevc_decoder_select="bswapdsp cabac golomb hevcparse videodsp"
2534 huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"
2535 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llvidencdsp"
2536 iac_decoder_select="imc_decoder"
2537 imc_decoder_select="bswapdsp fft mdct sinewin"
2538 indeo3_decoder_select="hpeldsp"
2539 indeo4_decoder_select="ividsp"
2540 indeo5_decoder_select="ividsp"
2541 interplay_video_decoder_select="hpeldsp"
2542 jpegls_decoder_select="mjpeg_decoder"
2543 jv_decoder_select="blockdsp"
2544 lagarith_decoder_select="llviddsp"
2545 ljpeg_encoder_select="aandcttables idctdsp jpegtables mpegvideoenc"
2546 magicyuv_decoder_select="llviddsp"
2547 magicyuv_encoder_select="llvidencdsp"
2548 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2549 metasound_decoder_select="lsp mdct sinewin"
2550 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2551 mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"
2552 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
2553 mjpegb_decoder_select="mjpeg_decoder"
2554 mlp_decoder_select="mlp_parser"
2555 mlp_encoder_select="lpc"
2556 motionpixels_decoder_select="bswapdsp"
2557 mp1_decoder_select="mpegaudio"
2558 mp1float_decoder_select="mpegaudio"
2559 mp2_decoder_select="mpegaudio"
2560 mp2float_decoder_select="mpegaudio"
2561 mp3_decoder_select="mpegaudio"
2562 mp3adu_decoder_select="mpegaudio"
2563 mp3adufloat_decoder_select="mpegaudio"
2564 mp3float_decoder_select="mpegaudio"
2565 mp3on4_decoder_select="mpegaudio"
2566 mp3on4float_decoder_select="mpegaudio"
2567 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2568 mpc8_decoder_select="mpegaudiodsp"
2569 mpegvideo_decoder_select="mpegvideo"
2570 mpeg1video_decoder_select="mpegvideo"
2571 mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"
2572 mpeg2video_decoder_select="mpegvideo"
2573 mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"
2574 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2575 mpeg4_encoder_select="h263_encoder"
2576 msa1_decoder_select="mss34dsp"
2577 mscc_decoder_deps="zlib"
2578 msmpeg4v1_decoder_select="h263_decoder"
2579 msmpeg4v2_decoder_select="h263_decoder"
2580 msmpeg4v2_encoder_select="h263_encoder"
2581 msmpeg4v3_decoder_select="h263_decoder"
2582 msmpeg4v3_encoder_select="h263_encoder"
2583 mss2_decoder_select="mpegvideo qpeldsp vc1_decoder"
2584 mts2_decoder_select="mss34dsp"
2585 mxpeg_decoder_select="mjpeg_decoder"
2586 nellymoser_decoder_select="mdct sinewin"
2587 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2588 nuv_decoder_select="idctdsp lzo"
2589 on2avc_decoder_select="mdct"
2590 opus_decoder_deps="swresample"
2591 opus_decoder_select="mdct15"
2592 opus_encoder_select="audio_frame_queue mdct15"
2593 png_decoder_deps="zlib"
2594 png_encoder_deps="zlib"
2595 png_encoder_select="llvidencdsp"
2596 prores_decoder_select="blockdsp idctdsp"
2597 prores_encoder_select="fdctdsp"
2598 qcelp_decoder_select="lsp"
2599 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2600 ra_144_decoder_select="audiodsp"
2601 ra_144_encoder_select="audio_frame_queue lpc audiodsp"
2602 ralf_decoder_select="golomb"
2603 rawvideo_decoder_select="bswapdsp"
2604 rscc_decoder_deps="zlib"
2605 rtjpeg_decoder_select="me_cmp"
2606 rv10_decoder_select="h263_decoder"
2607 rv10_encoder_select="h263_encoder"
2608 rv20_decoder_select="h263_decoder"
2609 rv20_encoder_select="h263_encoder"
2610 rv30_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2611 rv40_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2612 screenpresso_decoder_deps="zlib"
2613 shorten_decoder_select="bswapdsp"
2614 sipr_decoder_select="lsp"
2615 snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"
2616 snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"
2617 sonic_decoder_select="golomb rangecoder"
2618 sonic_encoder_select="golomb rangecoder"
2619 sonic_ls_encoder_select="golomb rangecoder"
2620 sp5x_decoder_select="mjpeg_decoder"
2621 srgc_decoder_deps="zlib"
2622 svq1_decoder_select="hpeldsp"
2623 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2624 svq3_decoder_select="golomb h264dsp h264parse h264pred hpeldsp tpeldsp videodsp"
2625 svq3_decoder_suggest="zlib"
2626 tak_decoder_select="audiodsp"
2627 tdsc_decoder_deps="zlib"
2628 tdsc_decoder_select="mjpeg_decoder"
2629 theora_decoder_select="vp3_decoder"
2630 thp_decoder_select="mjpeg_decoder"
2631 tiff_decoder_suggest="zlib lzma"
2632 tiff_encoder_suggest="zlib"
2633 truehd_decoder_select="mlp_parser"
2634 truehd_encoder_select="lpc"
2635 truemotion2_decoder_select="bswapdsp"
2636 truespeech_decoder_select="bswapdsp"
2637 tscc_decoder_deps="zlib"
2638 twinvq_decoder_select="mdct lsp sinewin"
2639 txd_decoder_select="texturedsp"
2640 utvideo_decoder_select="bswapdsp llviddsp"
2641 utvideo_encoder_select="bswapdsp huffman llvidencdsp"
2642 vble_decoder_select="llviddsp"
2643 vc1_decoder_select="blockdsp h263_decoder h264qpel intrax8 mpegvideo vc1dsp"
2644 vc1image_decoder_select="vc1_decoder"
2645 vorbis_decoder_select="mdct"
2646 vorbis_encoder_select="audio_frame_queue mdct"
2647 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2648 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"
2649 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"
2650 vp6a_decoder_select="vp6_decoder"
2651 vp6f_decoder_select="vp6_decoder"
2652 vp7_decoder_select="h264pred videodsp vp8dsp"
2653 vp8_decoder_select="h264pred videodsp vp8dsp"
2654 vp9_decoder_select="videodsp vp9_parser vp9_superframe_split_bsf"
2655 webp_decoder_select="vp8_decoder exif"
2656 wmalossless_decoder_select="llauddsp"
2657 wmapro_decoder_select="mdct sinewin wma_freqs"
2658 wmav1_decoder_select="mdct sinewin wma_freqs"
2659 wmav1_encoder_select="mdct sinewin wma_freqs"
2660 wmav2_decoder_select="mdct sinewin wma_freqs"
2661 wmav2_encoder_select="mdct sinewin wma_freqs"
2662 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2663 wmv1_decoder_select="h263_decoder"
2664 wmv1_encoder_select="h263_encoder"
2665 wmv2_decoder_select="blockdsp error_resilience h263_decoder idctdsp intrax8 videodsp wmv2dsp"
2666 wmv2_encoder_select="h263_encoder wmv2dsp"
2667 wmv3_decoder_select="vc1_decoder"
2668 wmv3image_decoder_select="wmv3_decoder"
2669 xma1_decoder_select="wmapro_decoder"
2670 xma2_decoder_select="wmapro_decoder"
2671 zerocodec_decoder_deps="zlib"
2672 zlib_decoder_deps="zlib"
2673 zlib_encoder_deps="zlib"
2674 zmbv_decoder_deps="zlib"
2675 zmbv_encoder_deps="zlib"
2677 # hardware accelerators
2678 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
2679 cuda_deps="ffnvcodec"
2680 cuvid_deps="ffnvcodec"
2681 d3d11va_deps="dxva_h ID3D11VideoDecoder ID3D11VideoContext"
2682 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode ole32 user32"
2683 ffnvcodec_deps_any="libdl LoadLibrary"
2684 nvdec_deps="ffnvcodec"
2685 videotoolbox_hwaccel_deps="videotoolbox pthreads"
2686 videotoolbox_hwaccel_extralibs="-framework QuartzCore"
2687 xvmc_deps="X11_extensions_XvMClib_h"
2689 h263_vaapi_hwaccel_deps="vaapi"
2690 h263_vaapi_hwaccel_select="h263_decoder"
2691 h263_videotoolbox_hwaccel_deps="videotoolbox"
2692 h263_videotoolbox_hwaccel_select="h263_decoder"
2693 h264_d3d11va_hwaccel_deps="d3d11va"
2694 h264_d3d11va_hwaccel_select="h264_decoder"
2695 h264_d3d11va2_hwaccel_deps="d3d11va"
2696 h264_d3d11va2_hwaccel_select="h264_decoder"
2697 h264_dxva2_hwaccel_deps="dxva2"
2698 h264_dxva2_hwaccel_select="h264_decoder"
2699 h264_nvdec_hwaccel_deps="nvdec"
2700 h264_nvdec_hwaccel_select="h264_decoder"
2701 h264_vaapi_hwaccel_deps="vaapi"
2702 h264_vaapi_hwaccel_select="h264_decoder"
2703 h264_vdpau_hwaccel_deps="vdpau"
2704 h264_vdpau_hwaccel_select="h264_decoder"
2705 h264_videotoolbox_hwaccel_deps="videotoolbox"
2706 h264_videotoolbox_hwaccel_select="h264_decoder"
2707 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2708 hevc_d3d11va_hwaccel_select="hevc_decoder"
2709 hevc_d3d11va2_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2710 hevc_d3d11va2_hwaccel_select="hevc_decoder"
2711 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2712 hevc_dxva2_hwaccel_select="hevc_decoder"
2713 hevc_nvdec_hwaccel_deps="nvdec"
2714 hevc_nvdec_hwaccel_select="hevc_decoder"
2715 hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC"
2716 hevc_vaapi_hwaccel_select="hevc_decoder"
2717 hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"
2718 hevc_vdpau_hwaccel_select="hevc_decoder"
2719 hevc_videotoolbox_hwaccel_deps="videotoolbox"
2720 hevc_videotoolbox_hwaccel_select="hevc_decoder"
2721 mjpeg_nvdec_hwaccel_deps="nvdec"
2722 mjpeg_nvdec_hwaccel_select="mjpeg_decoder"
2723 mjpeg_vaapi_hwaccel_deps="vaapi"
2724 mjpeg_vaapi_hwaccel_select="mjpeg_decoder"
2725 mpeg_xvmc_hwaccel_deps="xvmc"
2726 mpeg_xvmc_hwaccel_select="mpeg2video_decoder"
2727 mpeg1_nvdec_hwaccel_deps="nvdec"
2728 mpeg1_nvdec_hwaccel_select="mpeg1video_decoder"
2729 mpeg1_vdpau_hwaccel_deps="vdpau"
2730 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2731 mpeg1_videotoolbox_hwaccel_deps="videotoolbox"
2732 mpeg1_videotoolbox_hwaccel_select="mpeg1video_decoder"
2733 mpeg1_xvmc_hwaccel_deps="xvmc"
2734 mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"
2735 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2736 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2737 mpeg2_d3d11va2_hwaccel_deps="d3d11va"
2738 mpeg2_d3d11va2_hwaccel_select="mpeg2video_decoder"
2739 mpeg2_dxva2_hwaccel_deps="dxva2"
2740 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2741 mpeg2_nvdec_hwaccel_deps="nvdec"
2742 mpeg2_nvdec_hwaccel_select="mpeg2video_decoder"
2743 mpeg2_vaapi_hwaccel_deps="vaapi"
2744 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2745 mpeg2_vdpau_hwaccel_deps="vdpau"
2746 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2747 mpeg2_videotoolbox_hwaccel_deps="videotoolbox"
2748 mpeg2_videotoolbox_hwaccel_select="mpeg2video_decoder"
2749 mpeg2_xvmc_hwaccel_deps="xvmc"
2750 mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"
2751 mpeg4_nvdec_hwaccel_deps="nvdec"
2752 mpeg4_nvdec_hwaccel_select="mpeg4_decoder"
2753 mpeg4_vaapi_hwaccel_deps="vaapi"
2754 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2755 mpeg4_vdpau_hwaccel_deps="vdpau"
2756 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2757 mpeg4_videotoolbox_hwaccel_deps="videotoolbox"
2758 mpeg4_videotoolbox_hwaccel_select="mpeg4_decoder"
2759 vc1_d3d11va_hwaccel_deps="d3d11va"
2760 vc1_d3d11va_hwaccel_select="vc1_decoder"
2761 vc1_d3d11va2_hwaccel_deps="d3d11va"
2762 vc1_d3d11va2_hwaccel_select="vc1_decoder"
2763 vc1_dxva2_hwaccel_deps="dxva2"
2764 vc1_dxva2_hwaccel_select="vc1_decoder"
2765 vc1_nvdec_hwaccel_deps="nvdec"
2766 vc1_nvdec_hwaccel_select="vc1_decoder"
2767 vc1_vaapi_hwaccel_deps="vaapi"
2768 vc1_vaapi_hwaccel_select="vc1_decoder"
2769 vc1_vdpau_hwaccel_deps="vdpau"
2770 vc1_vdpau_hwaccel_select="vc1_decoder"
2771 vp8_nvdec_hwaccel_deps="nvdec"
2772 vp8_nvdec_hwaccel_select="vp8_decoder"
2773 vp8_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferVP8"
2774 vp8_vaapi_hwaccel_select="vp8_decoder"
2775 vp9_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_VP9"
2776 vp9_d3d11va_hwaccel_select="vp9_decoder"
2777 vp9_d3d11va2_hwaccel_deps="d3d11va DXVA_PicParams_VP9"
2778 vp9_d3d11va2_hwaccel_select="vp9_decoder"
2779 vp9_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_VP9"
2780 vp9_dxva2_hwaccel_select="vp9_decoder"
2781 vp9_nvdec_hwaccel_deps="nvdec"
2782 vp9_nvdec_hwaccel_select="vp9_decoder"
2783 vp9_vaapi_hwaccel_deps="vaapi VADecPictureParameterBufferVP9_bit_depth"
2784 vp9_vaapi_hwaccel_select="vp9_decoder"
2785 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2786 wmv3_d3d11va2_hwaccel_select="vc1_d3d11va2_hwaccel"
2787 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2788 wmv3_nvdec_hwaccel_select="vc1_nvdec_hwaccel"
2789 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2790 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2792 # hardware-accelerated codecs
2793 omx_deps="libdl pthreads"
2794 omx_rpi_select="omx"
2799 vaapi_encode_deps="vaapi"
2800 v4l2_m2m_deps_any="linux_videodev2_h"
2802 hwupload_cuda_filter_deps="ffnvcodec"
2803 scale_npp_filter_deps="ffnvcodec libnpp"
2804 scale_cuda_filter_deps="cuda_sdk"
2805 thumbnail_cuda_filter_deps="cuda_sdk"
2807 amf_deps_any="libdl LoadLibrary"
2808 nvenc_deps="ffnvcodec"
2809 nvenc_deps_any="libdl LoadLibrary"
2810 nvenc_encoder_deps="nvenc"
2812 h263_v4l2m2m_decoder_deps="v4l2_m2m h263_v4l2_m2m"
2813 h263_v4l2m2m_encoder_deps="v4l2_m2m h263_v4l2_m2m"
2814 h264_amf_encoder_deps="amf"
2815 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
2816 h264_cuvid_decoder_deps="cuvid"
2817 h264_cuvid_decoder_select="h264_mp4toannexb_bsf"
2818 h264_mediacodec_decoder_deps="mediacodec"
2819 h264_mediacodec_decoder_select="h264_mp4toannexb_bsf h264_parser"
2820 h264_mmal_decoder_deps="mmal"
2821 h264_nvenc_encoder_deps="nvenc"
2822 h264_omx_encoder_deps="omx"
2823 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec"
2824 h264_qsv_encoder_select="qsvenc"
2825 h264_rkmpp_decoder_deps="rkmpp"
2826 h264_rkmpp_decoder_select="h264_mp4toannexb_bsf"
2827 h264_vaapi_encoder_deps="VAEncPictureParameterBufferH264"
2828 h264_vaapi_encoder_select="cbs_h264 vaapi_encode"
2829 h264_v4l2m2m_decoder_deps="v4l2_m2m h264_v4l2_m2m"
2830 h264_v4l2m2m_encoder_deps="v4l2_m2m h264_v4l2_m2m"
2831 hevc_amf_encoder_deps="amf"
2832 hevc_cuvid_decoder_deps="cuvid"
2833 hevc_cuvid_decoder_select="hevc_mp4toannexb_bsf"
2834 hevc_mediacodec_decoder_deps="mediacodec"
2835 hevc_mediacodec_decoder_select="hevc_mp4toannexb_bsf hevc_parser"
2836 hevc_nvenc_encoder_deps="nvenc"
2837 hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec"
2838 hevc_qsv_encoder_select="hevcparse qsvenc"
2839 hevc_rkmpp_decoder_deps="rkmpp"
2840 hevc_rkmpp_decoder_select="hevc_mp4toannexb_bsf"
2841 hevc_vaapi_encoder_deps="VAEncPictureParameterBufferHEVC"
2842 hevc_vaapi_encoder_select="cbs_h265 vaapi_encode"
2843 hevc_v4l2m2m_decoder_deps="v4l2_m2m hevc_v4l2_m2m"
2844 hevc_v4l2m2m_encoder_deps="v4l2_m2m hevc_v4l2_m2m"
2845 mjpeg_cuvid_decoder_deps="cuvid"
2846 mjpeg_qsv_encoder_deps="libmfx"
2847 mjpeg_qsv_encoder_select="qsvenc"
2848 mjpeg_vaapi_encoder_deps="VAEncPictureParameterBufferJPEG"
2849 mjpeg_vaapi_encoder_select="vaapi_encode jpegtables"
2850 mpeg1_cuvid_decoder_deps="cuvid"
2851 mpeg1_v4l2m2m_decoder_deps="v4l2_m2m mpeg1_v4l2_m2m"
2852 mpeg2_crystalhd_decoder_select="crystalhd"
2853 mpeg2_cuvid_decoder_deps="cuvid"
2854 mpeg2_mmal_decoder_deps="mmal"
2855 mpeg2_mediacodec_decoder_deps="mediacodec"
2856 mpeg2_qsv_decoder_select="qsvdec mpegvideo_parser"
2857 mpeg2_qsv_encoder_select="qsvenc"
2858 mpeg2_vaapi_encoder_deps="VAEncPictureParameterBufferMPEG2"
2859 mpeg2_vaapi_encoder_select="cbs_mpeg2 vaapi_encode"
2860 mpeg2_v4l2m2m_decoder_deps="v4l2_m2m mpeg2_v4l2_m2m"
2861 mpeg4_crystalhd_decoder_select="crystalhd"
2862 mpeg4_cuvid_decoder_deps="cuvid"
2863 mpeg4_mediacodec_decoder_deps="mediacodec"
2864 mpeg4_mmal_decoder_deps="mmal"
2865 mpeg4_omx_encoder_deps="omx"
2866 mpeg4_v4l2m2m_decoder_deps="v4l2_m2m mpeg4_v4l2_m2m"
2867 mpeg4_v4l2m2m_encoder_deps="v4l2_m2m mpeg4_v4l2_m2m"
2868 msmpeg4_crystalhd_decoder_select="crystalhd"
2869 nvenc_h264_encoder_select="h264_nvenc_encoder"
2870 nvenc_hevc_encoder_select="hevc_nvenc_encoder"
2871 vc1_crystalhd_decoder_select="crystalhd"
2872 vc1_cuvid_decoder_deps="cuvid"
2873 vc1_mmal_decoder_deps="mmal"
2874 vc1_qsv_decoder_select="qsvdec vc1_parser"
2875 vc1_v4l2m2m_decoder_deps="v4l2_m2m vc1_v4l2_m2m"
2876 vp8_cuvid_decoder_deps="cuvid"
2877 vp8_mediacodec_decoder_deps="mediacodec"
2878 vp8_qsv_decoder_select="qsvdec vp8_parser"
2879 vp8_rkmpp_decoder_deps="rkmpp"
2880 vp8_vaapi_encoder_deps="VAEncPictureParameterBufferVP8"
2881 vp8_vaapi_encoder_select="vaapi_encode"
2882 vp8_v4l2m2m_decoder_deps="v4l2_m2m vp8_v4l2_m2m"
2883 vp8_v4l2m2m_encoder_deps="v4l2_m2m vp8_v4l2_m2m"
2884 vp9_cuvid_decoder_deps="cuvid"
2885 vp9_mediacodec_decoder_deps="mediacodec"
2886 vp9_rkmpp_decoder_deps="rkmpp"
2887 vp9_vaapi_encoder_deps="VAEncPictureParameterBufferVP9"
2888 vp9_vaapi_encoder_select="vaapi_encode"
2889 vp9_v4l2m2m_decoder_deps="v4l2_m2m vp9_v4l2_m2m"
2890 wmv3_crystalhd_decoder_select="crystalhd"
2893 aac_parser_select="adts_header"
2894 h264_parser_select="golomb h264dsp h264parse"
2895 hevc_parser_select="hevcparse"
2896 mpegaudio_parser_select="mpegaudioheader"
2897 mpegvideo_parser_select="mpegvideo"
2898 mpeg4video_parser_select="h263dsp mpegvideo qpeldsp"
2899 vc1_parser_select="vc1dsp"
2902 aac_adtstoasc_bsf_select="adts_header"
2903 h264_metadata_bsf_select="cbs_h264"
2904 h264_redundant_pps_bsf_select="cbs_h264"
2905 hevc_metadata_bsf_select="cbs_h265"
2906 mjpeg2jpeg_bsf_select="jpegtables"
2907 mpeg2_metadata_bsf_select="cbs_mpeg2"
2908 trace_headers_bsf_select="cbs_h264 cbs_h265 cbs_mpeg2"
2910 # external libraries
2911 aac_at_decoder_deps="audiotoolbox"
2912 aac_at_decoder_select="aac_adtstoasc_bsf"
2913 ac3_at_decoder_deps="audiotoolbox"
2914 ac3_at_decoder_select="ac3_parser"
2915 adpcm_ima_qt_at_decoder_deps="audiotoolbox"
2916 alac_at_decoder_deps="audiotoolbox"
2917 amr_nb_at_decoder_deps="audiotoolbox"
2918 avisynth_deps_any="libdl LoadLibrary"
2919 avisynth_demuxer_deps="avisynth"
2920 avisynth_demuxer_select="riffdec"
2921 eac3_at_decoder_deps="audiotoolbox"
2922 eac3_at_decoder_select="ac3_parser"
2923 gsm_ms_at_decoder_deps="audiotoolbox"
2924 ilbc_at_decoder_deps="audiotoolbox"
2925 mp1_at_decoder_deps="audiotoolbox"
2926 mp2_at_decoder_deps="audiotoolbox"
2927 mp3_at_decoder_deps="audiotoolbox"
2928 mp1_at_decoder_select="mpegaudioheader"
2929 mp2_at_decoder_select="mpegaudioheader"
2930 mp3_at_decoder_select="mpegaudioheader"
2931 pcm_alaw_at_decoder_deps="audiotoolbox"
2932 pcm_mulaw_at_decoder_deps="audiotoolbox"
2933 qdmc_at_decoder_deps="audiotoolbox"
2934 qdm2_at_decoder_deps="audiotoolbox"
2935 aac_at_encoder_deps="audiotoolbox"
2936 aac_at_encoder_select="audio_frame_queue"
2937 alac_at_encoder_deps="audiotoolbox"
2938 alac_at_encoder_select="audio_frame_queue"
2939 ilbc_at_encoder_deps="audiotoolbox"
2940 ilbc_at_encoder_select="audio_frame_queue"
2941 pcm_alaw_at_encoder_deps="audiotoolbox"
2942 pcm_alaw_at_encoder_select="audio_frame_queue"
2943 pcm_mulaw_at_encoder_deps="audiotoolbox"
2944 pcm_mulaw_at_encoder_select="audio_frame_queue"
2945 chromaprint_muxer_deps="chromaprint"
2946 h264_videotoolbox_encoder_deps="pthreads"
2947 h264_videotoolbox_encoder_select="videotoolbox_encoder"
2948 hevc_videotoolbox_encoder_deps="pthreads"
2949 hevc_videotoolbox_encoder_select="videotoolbox_encoder"
2950 libcelt_decoder_deps="libcelt"
2951 libcodec2_decoder_deps="libcodec2"
2952 libcodec2_encoder_deps="libcodec2"
2953 libfdk_aac_decoder_deps="libfdk_aac"
2954 libfdk_aac_encoder_deps="libfdk_aac"
2955 libfdk_aac_encoder_select="audio_frame_queue"
2956 libgme_demuxer_deps="libgme"
2957 libgsm_decoder_deps="libgsm"
2958 libgsm_encoder_deps="libgsm"
2959 libgsm_ms_decoder_deps="libgsm"
2960 libgsm_ms_encoder_deps="libgsm"
2961 libilbc_decoder_deps="libilbc"
2962 libilbc_encoder_deps="libilbc"
2963 libkvazaar_encoder_deps="libkvazaar"
2964 libmodplug_demuxer_deps="libmodplug"
2965 libmp3lame_encoder_deps="libmp3lame"
2966 libmp3lame_encoder_select="audio_frame_queue mpegaudioheader"
2967 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2968 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2969 libopencore_amrnb_encoder_select="audio_frame_queue"
2970 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2971 libopenh264_decoder_deps="libopenh264"
2972 libopenh264_decoder_select="h264_mp4toannexb_bsf"
2973 libopenh264_encoder_deps="libopenh264"
2974 libopenjpeg_decoder_deps="libopenjpeg"
2975 libopenjpeg_encoder_deps="libopenjpeg"
2976 libopenmpt_demuxer_deps="libopenmpt"
2977 libopus_decoder_deps="libopus"
2978 libopus_encoder_deps="libopus"
2979 libopus_encoder_select="audio_frame_queue"
2980 librsvg_decoder_deps="librsvg"
2981 libshine_encoder_deps="libshine"
2982 libshine_encoder_select="audio_frame_queue"
2983 libspeex_decoder_deps="libspeex"
2984 libspeex_encoder_deps="libspeex"
2985 libspeex_encoder_select="audio_frame_queue"
2986 libtheora_encoder_deps="libtheora"
2987 libtwolame_encoder_deps="libtwolame"
2988 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2989 libvorbis_decoder_deps="libvorbis"
2990 libvorbis_encoder_deps="libvorbis libvorbisenc"
2991 libvorbis_encoder_select="audio_frame_queue"
2992 libvpx_vp8_decoder_deps="libvpx"
2993 libvpx_vp8_encoder_deps="libvpx"
2994 libvpx_vp9_decoder_deps="libvpx"
2995 libvpx_vp9_encoder_deps="libvpx"
2996 libwavpack_encoder_deps="libwavpack"
2997 libwavpack_encoder_select="audio_frame_queue"
2998 libwebp_encoder_deps="libwebp"
2999 libwebp_anim_encoder_deps="libwebp"
3000 libx262_encoder_deps="libx262"
3001 libx264_encoder_deps="libx264"
3002 libx264rgb_encoder_deps="libx264 x264_csp_bgr"
3003 libx264rgb_encoder_select="libx264_encoder"
3004 libx265_encoder_deps="libx265"
3005 libxavs_encoder_deps="libxavs"
3006 libxvid_encoder_deps="libxvid"
3007 libzvbi_teletext_decoder_deps="libzvbi"
3008 videotoolbox_suggest="coreservices"
3009 videotoolbox_deps="corefoundation coremedia corevideo"
3010 videotoolbox_encoder_deps="videotoolbox VTCompressionSessionPrepareToEncodeFrames"
3013 ac3_demuxer_select="ac3_parser"
3014 aiff_muxer_select="iso_media"
3015 asf_demuxer_select="riffdec"
3016 asf_o_demuxer_select="riffdec"
3017 asf_muxer_select="riffenc"
3018 asf_stream_muxer_select="asf_muxer"
3019 avi_demuxer_select="iso_media riffdec exif"
3020 avi_muxer_select="riffenc"
3021 caf_demuxer_select="iso_media riffdec"
3022 caf_muxer_select="iso_media"
3023 dash_muxer_select="mp4_muxer"
3024 dash_demuxer_deps="libxml2"
3025 dirac_demuxer_select="dirac_parser"
3026 dts_demuxer_select="dca_parser"
3027 dtshd_demuxer_select="dca_parser"
3028 dv_demuxer_select="dvprofile"
3029 dv_muxer_select="dvprofile"
3030 dxa_demuxer_select="riffdec"
3031 eac3_demuxer_select="ac3_parser"
3032 f4v_muxer_select="mov_muxer"
3033 fifo_muxer_deps="threads"
3034 flac_demuxer_select="flac_parser"
3035 hds_muxer_select="flv_muxer"
3036 hls_muxer_select="mpegts_muxer"
3037 hls_muxer_suggest="gcrypt openssl"
3038 image2_alias_pix_demuxer_select="image2_demuxer"
3039 image2_brender_pix_demuxer_select="image2_demuxer"
3040 ipod_muxer_select="mov_muxer"
3041 ismv_muxer_select="mov_muxer"
3042 matroska_audio_muxer_select="matroska_muxer"
3043 matroska_demuxer_select="iso_media riffdec"
3044 matroska_demuxer_suggest="bzlib lzo zlib"
3045 matroska_muxer_select="iso_media riffenc"
3046 mmf_muxer_select="riffenc"
3047 mov_demuxer_select="iso_media riffdec"
3048 mov_demuxer_suggest="zlib"
3049 mov_muxer_select="iso_media riffenc rtpenc_chain"
3050 mp3_demuxer_select="mpegaudio_parser"
3051 mp3_muxer_select="mpegaudioheader"
3052 mp4_muxer_select="mov_muxer"
3053 mpegts_demuxer_select="iso_media"
3054 mpegts_muxer_select="adts_muxer latm_muxer"
3055 mpegtsraw_demuxer_select="mpegts_demuxer"
3056 mxf_d10_muxer_select="mxf_muxer"
3057 mxf_opatom_muxer_select="mxf_muxer"
3058 nut_muxer_select="riffenc"
3059 nuv_demuxer_select="riffdec"
3060 oga_muxer_select="ogg_muxer"
3061 ogg_demuxer_select="dirac_parse"
3062 ogv_muxer_select="ogg_muxer"
3063 opus_muxer_select="ogg_muxer"
3064 psp_muxer_select="mov_muxer"
3065 rtp_demuxer_select="sdp_demuxer"
3066 rtp_muxer_select="golomb"
3067 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol srtp"
3068 rtsp_demuxer_select="http_protocol rtpdec"
3069 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
3070 sap_demuxer_select="sdp_demuxer"
3071 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
3072 sdp_demuxer_select="rtpdec"
3073 smoothstreaming_muxer_select="ismv_muxer"
3074 spdif_demuxer_select="adts_header"
3075 spdif_muxer_select="adts_header"
3076 spx_muxer_select="ogg_muxer"
3077 swf_demuxer_suggest="zlib"
3078 tak_demuxer_select="tak_parser"
3079 tg2_muxer_select="mov_muxer"
3080 tgp_muxer_select="mov_muxer"
3081 vobsub_demuxer_select="mpegps_demuxer"
3082 w64_demuxer_select="wav_demuxer"
3083 w64_muxer_select="wav_muxer"
3084 wav_demuxer_select="riffdec"
3085 wav_muxer_select="riffenc"
3086 webm_muxer_select="iso_media riffenc"
3087 webm_dash_manifest_demuxer_select="matroska_demuxer"
3088 wtv_demuxer_select="mpegts_demuxer riffdec"
3089 wtv_muxer_select="mpegts_muxer riffenc"
3090 xmv_demuxer_select="riffdec"
3091 xwma_demuxer_select="riffdec"
3094 android_camera_indev_deps="android camera2ndk mediandk pthreads"
3095 android_camera_indev_extralibs="-landroid -lcamera2ndk -lmediandk"
3096 alsa_indev_deps="alsa"
3097 alsa_outdev_deps="alsa"
3098 avfoundation_indev_deps="avfoundation corevideo coremedia pthreads"
3099 avfoundation_indev_suggest="coregraphics applicationservices"
3100 avfoundation_indev_extralibs="-framework Foundation"
3101 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
3102 caca_outdev_deps="libcaca"
3103 decklink_deps_any="libdl LoadLibrary"
3104 decklink_indev_deps="decklink threads"
3105 decklink_indev_extralibs="-lstdc++"
3106 decklink_outdev_deps="decklink threads"
3107 decklink_outdev_extralibs="-lstdc++"
3108 libndi_newtek_indev_deps="libndi_newtek"
3109 libndi_newtek_indev_extralibs="-lndi"
3110 libndi_newtek_outdev_deps="libndi_newtek"
3111 libndi_newtek_outdev_extralibs="-lndi"
3112 dshow_indev_deps="IBaseFilter"
3113 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"
3114 fbdev_indev_deps="linux_fb_h"
3115 fbdev_outdev_deps="linux_fb_h"
3116 gdigrab_indev_deps="CreateDIBSection"
3117 gdigrab_indev_extralibs="-lgdi32"
3118 gdigrab_indev_select="bmp_decoder"
3119 iec61883_indev_deps="libiec61883"
3120 jack_indev_deps="libjack"
3121 jack_indev_deps_any="sem_timedwait dispatch_dispatch_h"
3122 kmsgrab_indev_deps="libdrm"
3123 lavfi_indev_deps="avfilter"
3124 libcdio_indev_deps="libcdio"
3125 libdc1394_indev_deps="libdc1394"
3126 openal_indev_deps="openal"
3127 opengl_outdev_deps="opengl"
3128 oss_indev_deps_any="sys_soundcard_h"
3129 oss_outdev_deps_any="sys_soundcard_h"
3130 pulse_indev_deps="libpulse"
3131 pulse_outdev_deps="libpulse"
3132 sdl2_outdev_deps="sdl2"
3133 sndio_indev_deps="sndio"
3134 sndio_outdev_deps="sndio"
3135 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
3136 v4l2_indev_suggest="libv4l2"
3137 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
3138 v4l2_outdev_suggest="libv4l2"
3139 vfwcap_indev_deps="vfw32 vfwcap_defines"
3140 xcbgrab_indev_deps="libxcb"
3141 xcbgrab_indev_suggest="libxcb_shm libxcb_shape libxcb_xfixes"
3142 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
3143 xv_outdev_extralibs="-lXv -lX11 -lXext"
3146 async_protocol_deps="threads"
3147 bluray_protocol_deps="libbluray"
3148 ffrtmpcrypt_protocol_conflict="librtmp_protocol"
3149 ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"
3150 ffrtmpcrypt_protocol_select="tcp_protocol"
3151 ffrtmphttp_protocol_conflict="librtmp_protocol"
3152 ffrtmphttp_protocol_select="http_protocol"
3153 ftp_protocol_select="tcp_protocol"
3154 gopher_protocol_select="network"
3155 http_protocol_select="tcp_protocol"
3156 http_protocol_suggest="zlib"
3157 httpproxy_protocol_select="tcp_protocol"
3158 httpproxy_protocol_suggest="zlib"
3159 https_protocol_select="tls_protocol"
3160 https_protocol_suggest="zlib"
3161 icecast_protocol_select="http_protocol"
3162 librtmp_protocol_deps="librtmp"
3163 librtmpe_protocol_deps="librtmp"
3164 librtmps_protocol_deps="librtmp"
3165 librtmpt_protocol_deps="librtmp"
3166 librtmpte_protocol_deps="librtmp"
3167 libsmbclient_protocol_deps="libsmbclient gplv3"
3168 libssh_protocol_deps="libssh"
3169 libtls_conflict="openssl gnutls"
3170 mmsh_protocol_select="http_protocol"
3171 mmst_protocol_select="network"
3172 rtmp_protocol_conflict="librtmp_protocol"
3173 rtmp_protocol_select="tcp_protocol"
3174 rtmp_protocol_suggest="zlib"
3175 rtmpe_protocol_select="ffrtmpcrypt_protocol"
3176 rtmpe_protocol_suggest="zlib"
3177 rtmps_protocol_conflict="librtmp_protocol"
3178 rtmps_protocol_select="tls_protocol"
3179 rtmps_protocol_suggest="zlib"
3180 rtmpt_protocol_select="ffrtmphttp_protocol"
3181 rtmpt_protocol_suggest="zlib"
3182 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
3183 rtmpte_protocol_suggest="zlib"
3184 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
3185 rtmpts_protocol_suggest="zlib"
3186 rtp_protocol_select="udp_protocol"
3187 schannel_conflict="openssl gnutls libtls"
3188 sctp_protocol_deps="struct_sctp_event_subscribe struct_msghdr_msg_flags"
3189 sctp_protocol_select="network"
3190 securetransport_conflict="openssl gnutls libtls"
3191 srtp_protocol_select="rtp_protocol srtp"
3192 tcp_protocol_select="network"
3193 tls_protocol_deps_any="gnutls openssl schannel securetransport libtls"
3194 tls_protocol_select="tcp_protocol"
3195 udp_protocol_select="network"
3196 udplite_protocol_select="network"
3197 unix_protocol_deps="sys_un_h"
3198 unix_protocol_select="network"
3201 afftfilt_filter_deps="avcodec"
3202 afftfilt_filter_select="fft"
3203 afir_filter_deps="avcodec"
3204 afir_filter_select="fft"
3205 amovie_filter_deps="avcodec avformat"
3206 aresample_filter_deps="swresample"
3207 ass_filter_deps="libass"
3208 atempo_filter_deps="avcodec"
3209 atempo_filter_select="rdft"
3210 azmq_filter_deps="libzmq"
3211 blackframe_filter_deps="gpl"
3212 boxblur_filter_deps="gpl"
3213 bs2b_filter_deps="libbs2b"
3214 colormatrix_filter_deps="gpl"
3215 convolve_filter_deps="avcodec"
3216 convolve_filter_select="fft"
3217 coreimage_filter_deps="coreimage appkit"
3218 coreimage_filter_extralibs="-framework OpenGL"
3219 coreimagesrc_filter_deps="coreimage appkit"
3220 coreimagesrc_filter_extralibs="-framework OpenGL"
3221 cover_rect_filter_deps="avcodec avformat gpl"
3222 cropdetect_filter_deps="gpl"
3223 deconvolve_filter_deps="avcodec"
3224 deconvolve_filter_select="fft"
3225 deinterlace_qsv_filter_deps="libmfx"
3226 deinterlace_vaapi_filter_deps="vaapi"
3227 delogo_filter_deps="gpl"
3228 denoise_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
3229 deshake_filter_select="pixelutils"
3230 drawtext_filter_deps="libfreetype"
3231 drawtext_filter_suggest="libfontconfig libfribidi"
3232 elbg_filter_deps="avcodec"
3233 eq_filter_deps="gpl"
3234 fftfilt_filter_deps="avcodec"
3235 fftfilt_filter_select="rdft"
3236 find_rect_filter_deps="avcodec avformat gpl"
3237 firequalizer_filter_deps="avcodec"
3238 firequalizer_filter_select="rdft"
3239 flite_filter_deps="libflite"
3240 framerate_filter_select="pixelutils"
3241 frei0r_filter_deps="frei0r libdl"
3242 frei0r_src_filter_deps="frei0r libdl"
3243 fspp_filter_deps="gpl"
3244 geq_filter_deps="gpl"
3245 histeq_filter_deps="gpl"
3246 hqdn3d_filter_deps="gpl"
3247 interlace_filter_deps="gpl"
3248 kerndeint_filter_deps="gpl"
3249 ladspa_filter_deps="ladspa libdl"
3250 lv2_filter_deps="lv2"
3251 mcdeint_filter_deps="avcodec gpl"
3252 movie_filter_deps="avcodec avformat"
3253 mpdecimate_filter_deps="gpl"
3254 mpdecimate_filter_select="pixelutils"
3255 mptestsrc_filter_deps="gpl"
3256 negate_filter_deps="lut_filter"
3257 nnedi_filter_deps="gpl"
3258 ocr_filter_deps="libtesseract"
3259 ocv_filter_deps="libopencv"
3260 openclsrc_filter_deps="opencl"
3261 overlay_opencl_filter_deps="opencl"
3262 overlay_qsv_filter_deps="libmfx"
3263 overlay_qsv_filter_select="qsvvpp"
3264 owdenoise_filter_deps="gpl"
3265 pan_filter_deps="swresample"
3266 perspective_filter_deps="gpl"
3267 phase_filter_deps="gpl"
3268 pp7_filter_deps="gpl"
3269 pp_filter_deps="gpl postproc"
3270 procamp_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
3271 program_opencl_filter_deps="opencl"
3272 pullup_filter_deps="gpl"
3273 removelogo_filter_deps="avcodec avformat swscale"
3274 repeatfields_filter_deps="gpl"
3275 resample_filter_deps="avresample"
3276 rubberband_filter_deps="librubberband"
3277 sab_filter_deps="gpl swscale"
3278 scale2ref_filter_deps="swscale"
3279 scale_filter_deps="swscale"
3280 scale_qsv_filter_deps="libmfx"
3281 select_filter_select="pixelutils"
3282 sharpness_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
3283 showcqt_filter_deps="avcodec avformat swscale"
3284 showcqt_filter_suggest="libfontconfig libfreetype"
3285 showcqt_filter_select="fft"
3286 showfreqs_filter_deps="avcodec"
3287 showfreqs_filter_select="fft"
3288 showspectrum_filter_deps="avcodec"
3289 showspectrum_filter_select="fft"
3290 showspectrumpic_filter_deps="avcodec"
3291 showspectrumpic_filter_select="fft"
3292 signature_filter_deps="gpl avcodec avformat"
3293 smartblur_filter_deps="gpl swscale"
3294 sofalizer_filter_deps="libmysofa avcodec"
3295 sofalizer_filter_select="fft"
3296 spectrumsynth_filter_deps="avcodec"
3297 spectrumsynth_filter_select="fft"
3298 spp_filter_deps="gpl avcodec"
3299 spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"
3300 stereo3d_filter_deps="gpl"
3301 subtitles_filter_deps="avformat avcodec libass"
3302 super2xsai_filter_deps="gpl"
3303 pixfmts_super2xsai_test_deps="super2xsai_filter"
3304 tinterlace_filter_deps="gpl"
3305 tinterlace_merge_test_deps="tinterlace_filter"
3306 tinterlace_pad_test_deps="tinterlace_filter"
3307 tonemap_filter_deps="const_nan"
3308 unsharp_opencl_filter_deps="opencl"
3309 uspp_filter_deps="gpl avcodec"
3310 vaguedenoiser_filter_deps="gpl"
3311 vidstabdetect_filter_deps="libvidstab"
3312 vidstabtransform_filter_deps="libvidstab"
3313 libvmaf_filter_deps="libvmaf pthreads"
3314 zmq_filter_deps="libzmq"
3315 zoompan_filter_deps="swscale"
3316 zscale_filter_deps="libzimg const_nan"
3317 scale_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
3318 vpp_qsv_filter_deps="libmfx"
3319 vpp_qsv_filter_select="qsvvpp"
3322 avio_dir_cmd_deps="avformat avutil"
3323 avio_reading_deps="avformat avcodec avutil"
3324 decode_audio_example_deps="avcodec avutil"
3325 decode_video_example_deps="avcodec avutil"
3326 demuxing_decoding_example_deps="avcodec avformat avutil"
3327 encode_audio_example_deps="avcodec avutil"
3328 encode_video_example_deps="avcodec avutil"
3329 extract_mvs_example_deps="avcodec avformat avutil"
3330 filter_audio_example_deps="avfilter avutil"
3331 filtering_audio_example_deps="avfilter avcodec avformat avutil"
3332 filtering_video_example_deps="avfilter avcodec avformat avutil"
3333 http_multiclient_example_deps="avformat avutil fork"
3334 hw_decode_example_deps="avcodec avformat avutil"
3335 metadata_example_deps="avformat avutil"
3336 muxing_example_deps="avcodec avformat avutil swscale"
3337 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder"
3338 remuxing_example_deps="avcodec avformat avutil"
3339 resampling_audio_example_deps="avutil swresample"
3340 scaling_video_example_deps="avutil swscale"
3341 transcode_aac_example_deps="avcodec avformat swresample"
3342 transcoding_example_deps="avfilter avcodec avformat avutil"
3343 vaapi_encode_example_deps="avcodec avutil h264_vaapi_encoder"
3344 vaapi_transcode_example_deps="avcodec avformat avutil h264_vaapi_encoder"
3347 cpu_init_extralibs="pthreads_extralibs"
3348 cws2fws_extralibs="zlib_extralibs"
3350 # libraries, in linking order
3351 avcodec_deps="avutil"
3352 avcodec_suggest="libm"
3353 avcodec_select="null_bsf"
3354 avdevice_deps="avformat avcodec avutil"
3355 avdevice_suggest="libm"
3356 avfilter_deps="avutil"
3357 avfilter_suggest="libm"
3358 avformat_deps="avcodec avutil"
3359 avformat_suggest="libm network zlib"
3360 avresample_deps="avutil"
3361 avresample_suggest="libm"
3362 avutil_suggest="clock_gettime ffnvcodec libm libdrm libmfx opencl user32 vaapi videotoolbox corefoundation corevideo coremedia wincrypt"
3363 postproc_deps="avutil gpl"
3364 postproc_suggest="libm"
3365 swresample_deps="avutil"
3366 swresample_suggest="libm libsoxr"
3367 swscale_deps="avutil"
3368 swscale_suggest="libm"
3370 avcodec_extralibs="pthreads_extralibs iconv_extralibs"
3371 avfilter_extralibs="pthreads_extralibs"
3372 avutil_extralibs="d3d11va_extralibs nanosleep_extralibs pthreads_extralibs vaapi_drm_extralibs vaapi_x11_extralibs vdpau_x11_extralibs"
3375 ffmpeg_deps="avcodec avfilter avformat swresample"
3376 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
3379 ffmpeg_suggest="ole32 psapi shell32"
3380 ffplay_deps="avcodec avformat swscale swresample sdl2"
3381 ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"
3382 ffplay_suggest="shell32"
3383 ffprobe_deps="avcodec avformat"
3384 ffprobe_suggest="shell32"
3387 podpages_deps="perl"
3388 manpages_deps="perl pod2man"
3389 htmlpages_deps="perl"
3390 htmlpages_deps_any="makeinfo_html texi2html"
3391 txtpages_deps="perl makeinfo"
3392 doc_deps_any="manpages htmlpages podpages txtpages"
3394 # default parameters
3396 logfile="ffbuild/config.log"
3398 # installation paths
3399 prefix_default="/usr/local"
3400 bindir_default='${prefix}/bin'
3401 datadir_default='${prefix}/share/ffmpeg'
3402 docdir_default='${prefix}/share/doc/ffmpeg'
3403 incdir_default='${prefix}/include'
3404 libdir_default='${prefix}/lib'
3405 mandir_default='${prefix}/share/man'
3411 host_cc_default="gcc"
3412 doxygen_default="doxygen"
3414 ln_s_default="ln -s -f"
3416 pkg_config_default=pkg-config
3417 ranlib_default="ranlib"
3418 strip_default="strip"
3419 version_script='--version-script'
3421 x86asmexe_default="nasm"
3422 windres_default="windres"
3424 nvccflags_default="-gencode arch=compute_30,code=sm_30 -O2"
3428 target_os_default=$(tolower $(uname -s))
3429 host_os=$target_os_default
3432 if test "$target_os_default" = aix; then
3433 arch_default=$(uname -p)
3434 strip_default="strip -X32_64"
3436 arch_default=$(uname -m)
3441 # configurable options
3442 enable $PROGRAM_LIST
3443 enable $DOCUMENT_LIST
3444 enable $EXAMPLE_LIST
3445 enable $(filter_out avresample $LIBRARY_LIST)
3451 enable faan faandct faanidct
3452 enable optimizations
3453 enable runtime_cpudetect
3454 enable safe_bitstream_reader
3456 enable swscale_alpha
3457 enable valgrind_backtrace
3459 sws_max_filter_size_default=256
3460 set_default sws_max_filter_size
3462 # internal components are enabled by default
3463 enable $EXTRALIBS_LIST
3465 # Avoid external, non-system, libraries getting enabled by dependency resolution
3466 disable $EXTERNAL_LIBRARY_LIST $HWACCEL_LIBRARY_LIST
3469 SHFLAGS='-shared -Wl,-soname,$$(@F)'
3472 FULLNAME='$(NAME)$(BUILDSUF)'
3473 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
3476 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
3477 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
3478 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
3479 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
3480 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
3481 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
3482 VERSION_SCRIPT_POSTPROCESS_CMD="cat"
3509 host_extralibs='-lm'
3510 host_cflags_filter=echo
3511 host_ldflags_filter=echo
3513 target_path='$(CURDIR)'
3515 # since the object filename is not given with the -MM flag, the compiler
3516 # is only able to print the basename, and we must add the path ourselves
3517 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>/dev/null | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(@F),$(@D)/$(@F)," > $(@:.o=.d)'
3523 if test -f configure; then
3526 source_path=$(cd $(dirname "$0"); pwd)
3527 case "$source_path" in
3528 *[[:blank:]]*) die "Out of tree builds are impossible with whitespace in source path." ;;
3530 test -e "$source_path/config.h" &&
3531 die "Out of tree builds are impossible with config.h in source dir."
3538 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
3544 file=$source_path/$3
3545 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
3548 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
3550 find_things_extern(){
3553 file=$source_path/$3
3555 sed -n "s/^[^#]*extern.*$pattern *ff_\([^ ]*\)_$thing;/\1_$out/p" "$file"
3558 OUTDEV_LIST=$(find_things_extern muxer AVOutputFormat libavdevice/alldevices.c outdev)
3559 INDEV_LIST=$(find_things_extern demuxer AVInputFormat libavdevice/alldevices.c indev)
3560 MUXER_LIST=$(find_things_extern muxer AVOutputFormat libavformat/allformats.c)
3561 DEMUXER_LIST=$(find_things_extern demuxer AVInputFormat libavformat/allformats.c)
3562 ENCODER_LIST=$(find_things_extern encoder AVCodec libavcodec/allcodecs.c)
3563 DECODER_LIST=$(find_things_extern decoder AVCodec libavcodec/allcodecs.c)
3568 PARSER_LIST=$(find_things_extern parser AVCodecParser libavcodec/parser.c)
3569 BSF_LIST=$(find_things_extern bsf AVBitStreamFilter libavcodec/bitstream_filters.c)
3570 HWACCEL_LIST=$(find_things_extern hwaccel AVHWAccel libavcodec/hwaccels.h)
3571 PROTOCOL_LIST=$(find_things_extern protocol URLProtocol libavformat/protocols.c)
3573 AVCODEC_COMPONENTS_LIST="
3581 AVDEVICE_COMPONENTS_LIST="
3586 AVFILTER_COMPONENTS_LIST="
3590 AVFORMAT_COMPONENTS_LIST="
3597 $AVCODEC_COMPONENTS_LIST
3598 $AVDEVICE_COMPONENTS_LIST
3599 $AVFILTER_COMPONENTS_LIST
3600 $AVFORMAT_COMPONENTS_LIST
3603 for n in $COMPONENT_LIST; do
3604 v=$(toupper ${n%s})_LIST
3606 eval ${n}_if_any="\$$v"
3609 enable $ARCH_EXT_LIST
3612 echo "Unknown option \"$1\"."
3613 echo "See $0 --help for available options."
3617 print_in_columns() {
3618 cols=$(expr $ncols / 24)
3619 cat | tr ' ' '\n' | sort | pr -r "-$cols" -w $ncols -t
3625 echo $* | sed s/$suffix//g | print_in_columns
3637 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
3638 echo "prob ${prob:-0.5}"
3646 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
3647 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
3656 --extra-ldexeflags=*)
3657 add_ldexeflags $optval
3659 --extra-ldsoflags=*)
3660 add_ldsoflags $optval
3662 --extra-ldlibflags=*)
3663 warn "The --extra-ldlibflags option is only provided for compatibility and will be\n"\
3664 "removed in the future. Use --extra-ldsoflags instead."
3665 add_ldsoflags $optval
3668 add_extralibs $optval
3671 disable $INDEV_LIST $OUTDEV_LIST
3674 debuglevel="$optval"
3677 disable $PROGRAM_LIST
3679 --disable-everything)
3680 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3683 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3684 disable $LIBRARY_LIST $PROGRAM_LIST doc
3687 --enable-random|--disable-random)
3688 action=${opt%%-random}
3689 do_random ${action#--} $COMPONENT_LIST
3691 --enable-random=*|--disable-random=*)
3692 action=${opt%%-random=*}
3693 do_random ${action#--} $optval
3698 --enable-*=*|--disable-*=*)
3699 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
3700 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
3701 eval list=\$$(toupper $thing)_LIST
3702 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
3703 list=$(filter "$name" $list)
3704 [ "$list" = "" ] && warn "Option $opt did not match anything"
3707 --enable-yasm|--disable-yasm)
3708 warn "The ${opt} option is only provided for compatibility and will be\n"\
3709 "removed in the future. Use --enable-x86asm / --disable-x86asm instead."
3710 test $opt = --enable-yasm && x86asm=yes || x86asm=no
3713 warn "The --yasmexe option is only provided for compatibility and will be\n"\
3714 "removed in the future. Use --x86asmexe instead."
3717 --enable-?*|--disable-?*)
3718 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
3719 if is_in $option $COMPONENT_LIST; then
3720 test $action = disable && action=unset
3721 eval $action \$$(toupper ${option%s})_LIST
3722 elif is_in $option $CMDLINE_SELECT; then
3729 NAME="${opt#--list-}"
3730 is_in $NAME $COMPONENT_LIST || die_unknown $opt
3732 eval show_list $NAME \$$(toupper $NAME)_LIST
3734 --help|-h) show_help
3736 --quiet|-q) quiet=yes
3738 --fatal-warnings) enable fatal_warnings
3741 libfuzzer_path="$optval"
3744 optname="${opt%%=*}"
3745 optname="${optname#--}"
3746 optname=$(echo "$optname" | sed 's/-/_/g')
3747 if is_in $optname $CMDLINE_SET; then
3748 eval $optname='$optval'
3749 elif is_in $optname $CMDLINE_APPEND; then
3750 append $optname "$optval"
3762 if disabled autodetect; then
3764 # Unless iconv is explicitely disabled by the user, we still want to probe
3765 # for the iconv from the libc.
3766 disabled iconv || enable libc_iconv
3768 disable_weak $EXTERNAL_AUTODETECT_LIBRARY_LIST
3769 disable_weak $HWACCEL_AUTODETECT_LIBRARY_LIST
3771 # Mark specifically enabled, but normally autodetected libraries as requested.
3772 for lib in $AUTODETECT_LIBS; do
3773 enabled $lib && request $lib
3775 #TODO: switch to $AUTODETECT_LIBS when $THREADS_LIST is supported the same way
3776 enable_weak $EXTERNAL_AUTODETECT_LIBRARY_LIST
3777 enable_weak $HWACCEL_AUTODETECT_LIBRARY_LIST
3779 disabled logging && logfile=/dev/null
3781 # command line configuration sanity checks
3783 # we need to build at least one lib type
3784 if ! enabled_any static shared; then
3786 At least one library type must be built.
3787 Specify --enable-static to build the static libraries or --enable-shared to
3788 build the shared libraries as well. To only build the shared libraries specify
3789 --disable-static in addition to --enable-shared.
3794 die_license_disabled() {
3795 enabled $1 || { enabled $v && die "$v is $1 and --enable-$1 is not specified."; }
3798 die_license_disabled_gpl() {
3799 enabled $1 || { enabled $v && die "$v is incompatible with the gpl and --enable-$1 is not specified."; }
3802 map "die_license_disabled gpl" $EXTERNAL_LIBRARY_GPL_LIST $EXTERNAL_LIBRARY_GPLV3_LIST
3803 map "die_license_disabled version3" $EXTERNAL_LIBRARY_VERSION3_LIST $EXTERNAL_LIBRARY_GPLV3_LIST
3805 enabled gpl && map "die_license_disabled_gpl nonfree" $EXTERNAL_LIBRARY_NONFREE_LIST
3806 map "die_license_disabled nonfree" $HWACCEL_LIBRARY_NONFREE_LIST
3808 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3810 if enabled nonfree; then
3811 license="nonfree and unredistributable"
3812 elif enabled gplv3; then
3813 license="GPL version 3 or later"
3814 elif enabled lgplv3; then
3815 license="LGPL version 3 or later"
3816 elif enabled gpl; then
3817 license="GPL version 2 or later"
3819 license="LGPL version 2.1 or later"
3822 enabled_all gnutls openssl &&
3823 die "GnuTLS and OpenSSL must not be enabled at the same time."
3825 # Disable all the library-specific components if the library itself
3826 # is disabled, see AVCODEC_LIST and following _LIST variables.
3828 disable_components(){
3829 disabled ${1} && disable $(
3830 eval components="\$$(toupper ${1})_COMPONENTS"
3831 map 'eval echo \${$(toupper ${v%s})_LIST}' $components
3835 map 'disable_components $v' $LIBRARY_LIST
3837 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
3840 test -n "$valgrind" && toolchain="valgrind-memcheck"
3842 enabled ossfuzz && {
3843 add_cflags -fsanitize=address,undefined -fsanitize-coverage=trace-pc-guard,trace-cmp -fno-omit-frame-pointer
3844 add_ldflags -fsanitize=address,undefined -fsanitize-coverage=trace-pc-guard,trace-cmp
3847 case "$toolchain" in
3849 cc_default="${toolchain%-asan}"
3850 add_cflags -fsanitize=address
3851 add_ldflags -fsanitize=address
3854 cc_default="${toolchain%-msan}"
3855 add_cflags -fsanitize=memory -fsanitize-memory-track-origins
3856 add_ldflags -fsanitize=memory
3859 cc_default="${toolchain%-tsan}"
3860 add_cflags -fsanitize=thread -fPIE
3861 add_ldflags -fsanitize=thread -pie
3862 case "$toolchain" in
3870 cc_default="${toolchain%-usan}"
3871 add_cflags -fsanitize=undefined
3872 add_ldflags -fsanitize=undefined
3875 target_exec_default="valgrind"
3876 case "$toolchain" in
3878 target_exec_args="--tool=massif --alloc-fn=av_malloc --alloc-fn=av_mallocz --alloc-fn=av_calloc --alloc-fn=av_fast_padded_malloc --alloc-fn=av_fast_malloc --alloc-fn=av_realloc_f --alloc-fn=av_fast_realloc --alloc-fn=av_realloc"
3881 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
3886 # Check whether the current MSVC version needs the C99 converter.
3887 # From MSVC 2013 (compiler major version 18) onwards, it does actually
3888 # support enough of C99 to build ffmpeg. Default to the new
3889 # behaviour if the regexp was unable to match anything, since this
3890 # successfully parses the version number of existing supported
3891 # versions that require the converter (MSVC 2010 and 2012).
3892 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
3893 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
3897 cc_default="c99wrap cl"
3898 cxx_default="c99wrap cl"
3900 ld_default="$source_path/compat/windows/mslink"
3901 nm_default="dumpbin -symbols"
3905 as_default="armasm64"
3911 target_os_default="win32"
3912 # Use a relative path for TMPDIR. This makes sure all the
3913 # ffconf temp files are written with a relative path, avoiding
3914 # issues with msys/win32 path conversion for MSVC parameters
3915 # such as -Fo<file> or -out:<file>.
3921 nm_default="dumpbin -symbols"
3923 target_os_default="win32"
3927 add_cflags -fprofile-arcs -ftest-coverage
3928 add_ldflags -fprofile-arcs -ftest-coverage
3931 add_cflags -fprofile-arcs -ftest-coverage
3932 add_ldflags --coverage
3935 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
3936 add_cflags -fno-strict-overflow -fstack-protector-all
3937 add_ldflags -Wl,-z,relro -Wl,-z,now
3939 add_ldexeflags -fPIE -pie
3942 die "Unknown toolchain $toolchain"
3946 if test -n "$cross_prefix"; then
3947 test -n "$arch" && test -n "$target_os" ||
3948 die "Must specify target arch (--arch) and OS (--target-os) when cross-compiling"
3949 enable cross_compile
3952 ar_default="${cross_prefix}${ar_default}"
3953 cc_default="${cross_prefix}${cc_default}"
3954 cxx_default="${cross_prefix}${cxx_default}"
3955 nm_default="${cross_prefix}${nm_default}"
3956 pkg_config_default="${cross_prefix}${pkg_config_default}"
3957 if ${cross_prefix}${ranlib_default} 2>&1 | grep -q "\-D "; then
3958 ranlib_default="${cross_prefix}${ranlib_default} -D"
3960 ranlib_default="${cross_prefix}${ranlib_default}"
3962 strip_default="${cross_prefix}${strip_default}"
3963 windres_default="${cross_prefix}${windres_default}"
3965 sysinclude_default="${sysroot}/usr/include"
3967 set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \
3968 target_exec target_os x86asmexe nvcc
3969 enabled cross_compile || host_cc_default=$cc
3972 pkg_config_fail_message=""
3973 if ! $pkg_config --version >/dev/null 2>&1; then
3974 warn "$pkg_config not found, library detection may fail."
3976 elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then
3977 pkg_config_fail_message="
3978 Note: When building a static binary, add --pkg-config-flags=\"--static\"."
3981 if test $doxygen != $doxygen_default && \
3982 ! $doxygen --version >/dev/null 2>&1; then
3983 warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."
3988 mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
3992 EXESUF=$(exesuf $target_os)
3993 HOSTEXESUF=$(exesuf $host_os)
3995 # set temporary file name
3996 : ${TMPDIR:=$TEMPDIR}
4000 if [ -n "$tempprefix" ] ; then
4002 tmpname="$tempprefix.${HOSTNAME}.${UID}"
4006 elif ! check_cmd mktemp -u XXXXXX; then
4007 # simple replacement for missing mktemp
4008 # NOT SAFE FOR GENERAL USE
4010 tmpname="${2%%XXX*}.${HOSTNAME}.${UID}.$$"
4016 FFTMPDIR=$(mktemp -d "${TMPDIR}/ffconf.XXXXXXXX" 2> /dev/null) ||
4017 die "Unable to create temporary directory in $TMPDIR."
4020 tmp="${FFTMPDIR}/test"$2
4021 (set -C; exec > $tmp) 2> /dev/null ||
4022 die "Unable to create temporary file in $FFTMPDIR."
4026 trap 'rm -rf -- "$FFTMPDIR"' EXIT
4032 tmpfile TMPE $EXESUF
4044 # make sure we can execute files in $TMPDIR
4045 cat > $TMPSH 2>> $logfile <<EOF
4048 chmod +x $TMPSH >> $logfile 2>&1
4049 if ! $TMPSH >> $logfile 2>&1; then
4051 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
4052 variable to another directory and make sure that it is not mounted noexec.
4054 die "Sanity test failed."
4060 # Filter out MSVC cl.exe options from cflags that shouldn't
4061 # be passed to gas-preprocessor
4071 -Wno-switch) echo -Wno-switch-enum ;;
4072 -Wno-format-zero-length) ;;
4073 -Wdisabled-optimization) ;;
4074 -Wno-pointer-sign) echo -Wno-other ;;
4080 msvc_common_flags(){
4083 # In addition to specifying certain flags under the compiler
4084 # specific filters, they must be specified here as well or else the
4085 # generic catch all at the bottom will print the original flag.
4090 -fomit-frame-pointer) ;;
4094 -fno-signed-zeros) ;;
4098 -lz) echo zlib.lib ;;
4099 -lx264) echo libx264.lib ;;
4101 -l*) echo ${flag#-l}.lib ;;
4102 -LARGEADDRESSAWARE) echo $flag ;;
4103 -L*) echo -libpath:${flag#-L} ;;
4110 msvc_common_flags "$@"
4113 -Wall) echo -W3 -wd4018 -wd4146 -wd4244 -wd4305 \
4115 -Wextra) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
4116 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
4117 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
4119 -wd4273 -wd4554 -wd4701 -wd4703 ;;
4125 msvc_common_flags "$@"
4128 # Despite what Intel's documentation says -Wall, which is supported
4129 # on Windows, does enable remarks so disable them here.
4130 -Wall) echo $flag -Qdiag-disable:remark ;;
4131 -std=c99) echo -Qstd=c99 ;;
4150 case "${flag#*=}" in
4151 native) echo -xtarget=native ;;
4152 v9|niagara) echo -xarch=sparc ;;
4153 ultrasparc) echo -xarch=sparcvis ;;
4154 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
4155 i586|pentium) echo -xchip=pentium ;;
4156 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
4157 pentium3*|c3-2) echo -xtarget=pentium3 ;;
4158 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
4159 pentium4*) echo -xtarget=pentium4 ;;
4160 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
4161 *-sse3) echo -xarch=sse3 ;;
4162 core2) echo -xarch=ssse3 -xchip=core2 ;;
4163 bonnell) echo -xarch=ssse3 ;;
4164 corei7|nehalem) echo -xtarget=nehalem ;;
4165 westmere) echo -xtarget=westmere ;;
4166 silvermont) echo -xarch=sse4_2 ;;
4167 corei7-avx|sandybridge) echo -xtarget=sandybridge ;;
4168 core-avx*|ivybridge|haswell|broadwell|skylake*|knl)
4170 amdfam10|barcelona) echo -xtarget=barcelona ;;
4171 btver1) echo -xarch=amdsse4a ;;
4172 btver2|bdver*|znver*) echo -xarch=avx ;;
4173 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
4174 k8|opteron|athlon64|athlon-fx)
4175 echo -xarch=sse2a ;;
4176 athlon*) echo -xarch=pentium_proa ;;
4179 -std=c99) echo -xc99 ;;
4180 -fomit-frame-pointer) echo -xregs=frameptr ;;
4181 -fPIC) echo -KPIC -xcode=pic32 ;;
4182 -W*,*) echo $flag ;;
4183 -f*-*|-W*|-mimpure-text) ;;
4195 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
4196 unset _ld_o _ldflags _ld_lib _ld_path
4197 unset _depflags _DEPCMD _DEPFLAGS
4200 if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
4201 true # no-op to avoid reading stdin in following checks
4202 elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
4204 gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')
4205 _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"
4206 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4209 elif $_cc -v 2>&1 | grep -qi ^gcc; then
4211 gcc_version=$($_cc --version | head -n1)
4212 gcc_basever=$($_cc -dumpversion)
4213 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
4214 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
4215 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
4216 case $gcc_basever in
4219 *) _depflags='-MMD -MF $(@:.o=.d) -MT $@' ;;
4221 if [ "$first" = true ]; then
4222 case $gcc_basever in
4224 warn "gcc 4.2 is outdated and may miscompile FFmpeg. Please use a newer compiler." ;;
4229 elif $_cc --version 2>/dev/null | grep -q ^icc; then
4231 _ident=$($_cc --version | head -n1)
4236 _flags_filter=icc_flags
4237 elif $_cc -v 2>&1 | grep -q xlc; then
4239 _ident=$($_cc -qversion 2>/dev/null | head -n1)
4241 _cflags_size='-O5 -qcompact'
4242 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
4243 test -d "$sysroot" || die "No valid sysroot specified."
4245 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
4246 armcc_conf="$PWD/armcc.conf"
4247 $_cc --arm_linux_configure \
4248 --arm_linux_config_file="$armcc_conf" \
4249 --configure_sysroot="$sysroot" \
4250 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
4251 die "Error creating armcc configuration file."
4252 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
4253 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
4254 as_default="${cross_prefix}gcc"
4258 elif $_cc -v 2>&1 | grep -q clang; then
4260 _ident=$($_cc --version 2>/dev/null | head -n1)
4261 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4264 elif $_cc -V 2>&1 | grep -q Sun; then
4266 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
4267 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
4268 _DEPFLAGS='-xM1 -xc99'
4271 _cflags_size='-O5 -xspace'
4272 _flags_filter=suncc_flags
4273 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
4275 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
4276 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4279 _flags_filter='filter_out -Wdisabled-optimization'
4280 elif $_cc -v 2>&1 | grep -q Open64; then
4282 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
4283 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4286 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
4287 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
4289 _ident=$($_cc | head -n1)
4290 # 4509: "This form of conditional instruction is deprecated"
4291 _flags="-nologo -ignore 4509"
4292 _flags_filter=armasm_flags
4293 elif $_cc 2>&1 | grep -q Intel; then
4295 _ident=$($_cc 2>&1 | head -n1)
4296 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
4297 # Not only is O3 broken on 13.x+ but it is slower on all previous
4298 # versions (tested) as well.
4300 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
4301 if $_cc 2>&1 | grep -q Linker; then
4308 _flags_filter=icl_flags
4310 _ld_path='-libpath:'
4311 # -Qdiag-error to make icl error when seeing certain unknown arguments
4312 _flags='-nologo -Qdiag-error:4044,10157'
4313 # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency
4314 # with MSVC which enables it by default.
4315 _cflags='-Qms0 -Qvec- -Qsimd- -GS -fp:precise'
4317 elif $_cc -? 2>/dev/null | grep -q 'LLVM.*Linker'; then
4318 # lld can emulate multiple different linkers; in ms link.exe mode,
4319 # the -? parameter gives the help output which contains an identifyable
4320 # string, while it gives an error in other modes.
4322 # The link.exe mode doesn't have a switch for getting the version,
4323 # but we can force it back to gnu mode and get the version from there.
4324 _ident=$($_cc -flavor gnu --version 2>/dev/null)
4326 _flags_filter=msvc_flags
4328 _ld_path='-libpath:'
4329 elif $_cc -nologo- 2>&1 | grep -q Microsoft; then
4331 _ident=$($_cc 2>&1 | head -n1 | tr -d '\r')
4332 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
4333 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
4337 if $_cc -nologo- 2>&1 | grep -q Linker; then
4344 _flags_filter=msvc_flags
4346 _ld_path='-libpath:'
4349 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
4351 _ident=$($_cc --version | head -n1)
4355 _flags_filter=cparser_flags
4358 eval ${pfx}_type=\$_type
4359 eval ${pfx}_ident=\$_ident
4363 eval ${1}_C=\${_cc_c-\${${1}_C}}
4364 eval ${1}_E=\${_cc_e-\${${1}_E}}
4365 eval ${1}_O=\${_cc_o-\${${1}_O}}
4367 if [ -n "$_depflags" ]; then
4368 eval ${1}_DEPFLAGS=\$_depflags
4370 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
4371 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
4372 eval DEP${1}FLAGS=\$_flags
4376 probe_cc cc "$cc" "true"
4377 cflags_filter=$_flags_filter
4378 cflags_speed=$_cflags_speed
4379 cflags_size=$_cflags_size
4380 cflags_noopt=$_cflags_noopt
4381 add_cflags $_flags $_cflags
4382 cc_ldflags=$_ldflags
4386 probe_cc hostcc "$host_cc"
4387 host_cflags_filter=$_flags_filter
4388 host_cflags_speed=$_cflags_speed
4389 add_host_cflags $_flags $_cflags
4392 test -n "$cc_type" && enable $cc_type ||
4393 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
4395 : ${as_default:=$cc}
4396 : ${objcc_default:=$cc}
4397 : ${dep_cc_default:=$cc}
4398 : ${ld_default:=$cc}
4399 : ${host_ld_default:=$host_cc}
4400 set_default ar as objcc dep_cc ld ln_s host_ld windres
4403 asflags_filter=$_flags_filter
4404 add_asflags $_flags $_cflags
4407 probe_cc objcc "$objcc"
4408 objcflags_filter=$_flags_filter
4409 add_objcflags $_flags $_cflags
4413 ldflags_filter=$_flags_filter
4414 add_ldflags $_flags $_ldflags
4415 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
4417 LD_LIB=${_ld_lib-$LD_LIB}
4418 LD_PATH=${_ld_path-$LD_PATH}
4420 probe_cc hostld "$host_ld"
4421 host_ldflags_filter=$_flags_filter
4422 add_host_ldflags $_flags $_ldflags
4423 HOSTLD_O=${_ld_o-$HOSTLD_O}
4425 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
4426 probe_cc depcc "$dep_cc"
4427 CCDEP=${_DEPCMD:-$DEPCMD}
4428 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
4432 if $ar 2>&1 | grep -q Microsoft; then
4435 elif $ar 2>&1 | grep -q "\[D\] "; then
4443 add_cflags $extra_cflags
4444 add_cxxflags $extra_cxxflags
4445 add_objcflags $extra_objcflags
4446 add_asflags $extra_cflags
4448 if test -n "$sysroot"; then
4451 add_cppflags --sysroot="$sysroot"
4452 add_ldflags --sysroot="$sysroot"
4457 if test "$cpu" = host; then
4458 enabled cross_compile &&
4459 die "--cpu=host makes no sense when cross-compiling."
4464 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
4466 s/.*$1=\\([^ ]*\\).*/\\1/
4471 cpu=$(check_native -march || check_native -mcpu)
4475 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
4476 sed -n "/cc1.*-target-cpu /{
4477 s/.*-target-cpu \\([^ ]*\\).*/\\1/
4482 cpu=$(check_native -march)
4486 test "${cpu:-host}" = host &&
4487 die "--cpu=host not supported with compiler $cc"
4490 # Deal with common $arch aliases
4514 "Power Macintosh"|ppc*|powerpc*)
4529 i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
4534 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
4537 # Add processor-specific flags
4538 if enabled aarch64; then
4542 cpuflags="-march=$cpu"
4545 cpuflags="-mcpu=$cpu"
4549 elif enabled alpha; then
4551 cpuflags="-mcpu=$cpu"
4553 elif enabled arm; then
4556 check_cpp_condition stddef.h \
4557 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
4562 if check_arm_arch 4; then echo armv4
4563 elif check_arm_arch 4T; then echo armv4t
4564 elif check_arm_arch 5; then echo armv5
4565 elif check_arm_arch 5E; then echo armv5e
4566 elif check_arm_arch 5T; then echo armv5t
4567 elif check_arm_arch 5TE; then echo armv5te
4568 elif check_arm_arch 5TEJ; then echo armv5te
4569 elif check_arm_arch 6; then echo armv6
4570 elif check_arm_arch 6J; then echo armv6j
4571 elif check_arm_arch 6K; then echo armv6k
4572 elif check_arm_arch 6Z; then echo armv6z
4573 elif check_arm_arch 6KZ; then echo armv6zk
4574 elif check_arm_arch 6ZK; then echo armv6zk
4575 elif check_arm_arch 6T2; then echo armv6t2
4576 elif check_arm_arch 7; then echo armv7
4577 elif check_arm_arch 7A 7_A; then echo armv7-a
4578 elif check_arm_arch 7S; then echo armv7-a
4579 elif check_arm_arch 7R 7_R; then echo armv7-r
4580 elif check_arm_arch 7M 7_M; then echo armv7-m
4581 elif check_arm_arch 7EM 7E_M; then echo armv7-m
4582 elif check_arm_arch 8A 8_A; then echo armv8-a
4586 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
4590 cpuflags="-march=$cpu"
4591 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
4594 cpuflags="-mcpu=$cpu"
4596 cortex-a*) subarch=armv7a ;;
4597 cortex-r*) subarch=armv7r ;;
4598 cortex-m*) enable thumb; subarch=armv7m ;;
4599 arm11*) subarch=armv6 ;;
4600 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
4601 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
4602 *) subarch=$(probe_arm_arch) ;;
4608 armv5t*) enable fast_clz ;;
4611 disabled fast_unaligned || enable fast_unaligned
4615 elif enabled avr32; then
4620 cpuflags="-mpart=$cpu"
4624 cpuflags="-march=$cpu"
4628 cpuflags="-mcpu=$cpu"
4632 cpuflags="-march=$cpu"
4636 elif enabled bfin; then
4638 cpuflags="-mcpu=$cpu"
4640 elif enabled mips; then
4642 cpuflags="-march=$cpu"
4644 if [ "$cpu" != "generic" ]; then
4654 24kc|24kf*|24kec|34kc|1004kc|24kef*|34kf*|1004kf*|74kc|74kf)
4665 enable local_aligned
4666 enable simd_align_16
4670 enable fast_unaligned
4671 disable aligned_stack
4677 cpuflags="-march=loongson3a -mhard-float -fno-expensive-optimizations"
4680 cpuflags="-march=loongson2e -mhard-float -fno-expensive-optimizations"
4683 cpuflags="-march=loongson2f -mhard-float -fno-expensive-optimizations"
4688 # Unknown CPU. Disable everything.
4689 warn "unknown CPU. Disabling all MIPS optimizations."
4712 24kef*|34kf*|1004kf*)
4720 check_cflags "-mtune=p5600" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops"
4724 check_cflags "-mtune=i6400 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64"
4728 check_cflags "-mtune=p6600 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64"
4732 # We do not disable anything. Is up to the user to disable the unwanted features.
4733 warn 'generic cpu selected'
4736 elif enabled ppc; then
4740 case $(tolower $cpu) in
4741 601|ppc601|powerpc601)
4742 cpuflags="-mcpu=601"
4745 603*|ppc603*|powerpc603*)
4746 cpuflags="-mcpu=603"
4749 604*|ppc604*|powerpc604*)
4750 cpuflags="-mcpu=604"
4753 g3|75*|ppc75*|powerpc75*)
4754 cpuflags="-mcpu=750"
4757 g4|745*|ppc745*|powerpc745*)
4758 cpuflags="-mcpu=7450"
4761 74*|ppc74*|powerpc74*)
4762 cpuflags="-mcpu=7400"
4765 g5|970|ppc970|powerpc970)
4766 cpuflags="-mcpu=970"
4770 cpuflags="-mcpu=$cpu"
4774 cpuflags="-mcpu=$cpu"
4777 cpuflags="-mcpu=cell"
4782 cpuflags="-mcpu=e500mc"
4786 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
4791 cpuflags="-mcpu=8540 -mhard-float"
4797 elif enabled sparc; then
4800 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
4801 cpuflags="-mcpu=$cpu"
4803 ultrasparc*|niagara[234])
4804 cpuflags="-mcpu=$cpu"
4808 elif enabled x86; then
4812 cpuflags="-march=$cpu"
4816 # targets that do NOT support nopl and conditional mov (cmov)
4817 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
4818 cpuflags="-march=$cpu"
4821 # targets that do support nopl and conditional mov (cmov)
4822 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\
4823 |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|skylake*|knl\
4824 |amdfam10|barcelona|b[dt]ver*|znver*)
4825 cpuflags="-march=$cpu"
4829 # targets that do support conditional mov but on which it's slow
4830 pentium4|pentium4m|prescott|nocona)
4831 cpuflags="-march=$cpu"
4839 if [ "$cpu" != generic ]; then
4840 add_cflags $cpuflags
4841 add_asflags $cpuflags
4842 test "$cc_type" = "$ld_type" && add_ldflags $cpuflags
4845 # compiler sanity check
4847 int main(void){ return 0; }
4849 if test "$?" != 0; then
4850 echo "$cc is unable to create an executable file."
4851 if test -z "$cross_prefix" && ! enabled cross_compile ; then
4852 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
4853 echo "Only do this if you know what cross compiling means."
4855 die "C compiler test failed."
4858 add_cppflags -D_ISOC99_SOURCE
4859 add_cxxflags -D__STDC_CONSTANT_MACROS
4860 check_cxxflags -std=c++11 || check_cxxflags -std=c++0x
4862 # some compilers silently accept -std=c11, so we also need to check that the
4863 # version macro is defined properly
4864 test_cflags_cc -std=c11 ctype.h "__STDC_VERSION__ >= 201112L" &&
4865 add_cflags -std=c11 ||
4866 check_cflags -std=c99
4868 check_cppflags -D_FILE_OFFSET_BITS=64
4869 check_cppflags -D_LARGEFILE_SOURCE
4871 add_host_cppflags -D_ISOC99_SOURCE
4872 check_host_cflags -std=c99
4873 check_host_cflags -Wall
4874 check_host_cflags $host_cflags_speed
4879 expr=${3:-'sizeof(void *) > 4'}
4880 check_code cc "" "int test[2*($expr) - 1]" &&
4881 subarch=$arch64 || subarch=$arch32
4887 enabled shared && enable_weak pic
4890 check_64bit mips mips64 '_MIPS_SIM > 1'
4891 enabled shared && enable_weak pic
4894 check_64bit parisc parisc64
4895 enabled shared && enable_weak pic
4898 check_64bit ppc ppc64
4899 enabled shared && enable_weak pic
4902 check_64bit s390 s390x
4903 enabled shared && enable_weak pic
4906 check_64bit sparc sparc64
4907 enabled shared && enable_weak pic
4910 check_64bit x86_32 x86_64
4911 # Treat x32 as x64 for now. Note it also needs pic if shared
4912 test "$subarch" = "x86_32" && check_cpp_condition stddef.h 'defined(__x86_64__)' &&
4913 subarch=x86_64 && enable x86_64 && disable x86_32
4914 if enabled x86_64; then
4915 enabled shared && enable_weak pic
4925 add_cppflags '-I\$(SRC_PATH)/compat/aix'
4926 enabled shared && add_ldflags -Wl,-brtl
4927 arflags='-Xany -r -c'
4931 enable section_data_rel_ro
4932 SLIB_INSTALL_NAME='$(SLIBNAME)'
4934 SHFLAGS='-shared -Wl,-soname,$(SLIBNAME)'
4937 prefix_default="/boot/common"
4938 network_extralibs="-lnetwork"
4942 SHFLAGS='-shared -Wl,-h,$$(@F)'
4943 enabled x86 && append SHFLAGS -mimpure-text
4944 network_extralibs="-lsocket -lnsl"
4945 add_cppflags -D__EXTENSIONS__
4946 # When using suncc to build, the Solaris linker will mark
4947 # an executable with each instruction set encountered by
4948 # the Solaris assembler. As our libraries contain their own
4949 # guards for processor-specific code, instead suppress
4950 # generation of the HWCAPS ELF section on Solaris x86 only.
4951 enabled_all suncc x86 &&
4952 echo "hwcap_1 = OVERRIDE;" > mapfile &&
4953 add_ldflags -Wl,-M,mapfile
4954 nm_default='nm -P -g'
4956 VERSION_SCRIPT_POSTPROCESS_CMD='perl $(SRC_PATH)/compat/solaris/make_sunver.pl - $(OBJS)'
4960 oss_indev_extralibs="-lossaudio"
4961 oss_outdev_extralibs="-lossaudio"
4962 enabled gcc || check_ldflags -Wl,-zmuldefs
4967 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
4969 oss_indev_extralibs="-lossaudio"
4970 oss_outdev_extralibs="-lossaudio"
4978 add_extralibs -lpoll -lgnugetopt
4982 enabled ppc && add_asflags -force_cpusubtype_ALL
4983 install_name_dir_default='$(SHLIBDIR)'
4984 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(INSTALL_NAME_DIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
4985 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
4987 add_ldflags -Wl,-dynamic,-search_paths_first
4988 check_cflags -Werror=partial-availability
4990 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
4991 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
4992 enabled x86_64 && objformat="macho64" || objformat="macho32"
4993 enabled_any pic shared x86_64 ||
4994 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
4995 check_header dispatch/dispatch.h &&
4996 add_cppflags '-I\$(SRC_PATH)/compat/dispatch_semaphore'
4997 if test -n "$sysroot"; then
4998 is_in -isysroot $cc $CPPFLAGS $CFLAGS || check_cppflags -isysroot $sysroot
4999 is_in -isysroot $ld $LDFLAGS || check_ldflags -isysroot $sysroot
5001 version_script='-exported_symbols_list'
5002 VERSION_SCRIPT_POSTPROCESS_CMD='tr " " "\n" | sed -n /global:/,/local:/p | grep ";" | tr ";" "\n" | sed -E "s/(.+)/_\1/g" | sed -E "s/(.+[^*])$$$$/\1*/"'
5005 die "Native MSYS builds are discouraged, please use the MINGW environment."
5010 if enabled x86_64; then
5011 LIBTARGET="i386:x86-64"
5012 elif enabled arm; then
5014 elif enabled aarch64; then
5017 if enabled shared; then
5018 # Cannot build both shared and static libs when using dllimport.
5021 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
5022 enabled x86_32 && check_ldflags -Wl,--large-address-aware
5023 shlibdir_default="$bindir_default"
5026 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
5027 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
5028 if check_cmd lib.exe -list; then
5029 SLIB_EXTRA_CMD=-'lib.exe -nologo -machine:$(LIBTARGET) -def:$$(@:$(SLIBSUF)=.def) -out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
5030 if enabled x86_64; then
5034 SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
5036 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
5038 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
5039 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
5040 SLIB_CREATE_DEF_CMD='EXTERN_PREFIX="$(EXTERN_PREFIX)" AR="$(AR_CMD)" NM="$(NM_CMD)" $(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
5041 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--disable-auto-image-base $$(@:$(SLIBSUF)=.def)'
5042 enabled x86_64 && objformat="win64" || objformat="win32"
5043 dlltool="${cross_prefix}dlltool"
5046 check_ldflags -Wl,--nxcompat,--dynamicbase
5047 # Lets work around some stupidity in binutils.
5048 # ld will strip relocations from executables even though we need them
5049 # for dynamicbase (ASLR). Using -pie does retain the reloc section
5050 # however ld then forgets what the entry point should be (oops) so we
5051 # have to manually (re)set it.
5052 if enabled x86_32; then
5053 disabled debug && add_ldexeflags -Wl,--pic-executable,-e,_mainCRTStartup
5054 elif enabled x86_64; then
5055 disabled debug && add_ldexeflags -Wl,--pic-executable,-e,mainCRTStartup
5056 check_ldflags -Wl,--high-entropy-va # binutils 2.25
5057 # Set image base >4GB for extra entropy with HEASLR
5058 add_ldexeflags -Wl,--image-base,0x140000000
5059 append SHFLAGS -Wl,--image-base,0x180000000
5064 if enabled shared; then
5065 # Link to the import library instead of the normal static library
5068 # Cannot build both shared and static libs with MSVC or icl.
5071 enabled x86_32 && check_ldflags -LARGEADDRESSAWARE
5072 shlibdir_default="$bindir_default"
5075 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
5076 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
5077 SLIB_CREATE_DEF_CMD='EXTERN_PREFIX="$(EXTERN_PREFIX)" $(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
5078 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
5080 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
5081 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
5082 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
5083 enabled x86_64 && objformat="win64" || objformat="win32"
5089 shlibdir_default="$bindir_default"
5092 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
5093 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
5094 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
5096 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
5097 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
5098 enabled x86_64 && objformat="win64" || objformat="win32"
5100 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
5101 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
5103 *-dos|freedos|opendos)
5104 network_extralibs="-lsocket"
5107 add_cppflags -U__STRICT_ANSI__
5110 enable section_data_rel_ro
5111 enabled_any arm aarch64 && enable_weak linux_perf
5115 ranlib="echo ignoring ranlib"
5121 add_cppflags -D_GNU_SOURCE
5122 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zhigh-mem -Zmap
5123 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
5127 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
5128 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(FULLNAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
5129 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(FULLNAME).def; \
5130 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(FULLNAME).def; \
5131 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(FULLNAME).def; \
5132 echo EXPORTS >> $(SUBDIR)$(FULLNAME).def; \
5133 emxexp $(OBJS) >> $(SUBDIR)$(FULLNAME).def'
5134 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(FULLNAME)_dll.a $(SUBDIR)$(FULLNAME).def; \
5135 emximp -o $(SUBDIR)$(LIBPREF)$(FULLNAME)_dll.lib $(SUBDIR)$(FULLNAME).def;'
5136 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
5138 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(FULLNAME)_dll.a $(LIBPREF)$(FULLNAME)_dll.lib'
5140 enable_weak os2threads
5143 add_cppflags -D_BSD_SOURCE
5148 add_cppflags -D_QNX_SOURCE
5149 network_extralibs="-lsocket"
5154 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
5155 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
5156 add_ldflags -Wl,--target1-abs,--no-undefined \
5157 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
5158 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
5159 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
5160 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
5161 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
5168 die "Unknown OS '$target_os'."
5172 # test if creating links works
5173 link_dest=$(mktemp -u $TMPDIR/dest_XXXXXXXX)
5174 link_name=$(mktemp -u $TMPDIR/name_XXXXXXXX)
5176 $ln_s "$link_dest" "$link_name"
5177 touch "$link_dest/test_file"
5178 if [ "$source_path" != "." ] && ([ ! -d src ] || [ -L src ]) && [ -e "$link_name/test_file" ]; then
5179 # create link to source path
5180 [ -e src ] && rm src
5181 $ln_s "$source_path" src
5184 # creating directory links doesn't work
5185 # fall back to using the full source path
5186 source_link="$source_path"
5192 # determine libc flavour
5197 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
5198 if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
5199 eval ${pfx}libc_type=uclibc
5200 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
5201 elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then
5202 eval ${pfx}libc_type=glibc
5203 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
5204 # MinGW headers can be installed on Cygwin, so check for newlib first.
5205 elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
5206 eval ${pfx}libc_type=newlib
5207 add_${pfx}cppflags -U__STRICT_ANSI__ -D_XOPEN_SOURCE=600
5208 # MinGW64 is backwards compatible with MinGW32, so check for it first.
5209 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
5210 eval ${pfx}libc_type=mingw64
5211 if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then
5212 add_compat msvcrt/snprintf.o
5213 add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
5215 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
5216 eval test \$${pfx_no_}cc_type = "gcc" &&
5217 add_${pfx}cppflags -D__printf__=__gnu_printf__
5218 check_${pfx}cpp_condition windows.h "!defined(_WIN32_WINNT) || _WIN32_WINNT < 0x0600" &&
5219 add_${pfx}cppflags -D_WIN32_WINNT=0x0600
5220 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" ||
5221 check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
5222 eval ${pfx}libc_type=mingw32
5223 check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
5224 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
5225 die "ERROR: MinGW32 runtime version must be >= 3.15."
5226 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
5227 check_${pfx}cpp_condition _mingw.h "__MSVCRT_VERSION__ < 0x0700" &&
5228 add_${pfx}cppflags -D__MSVCRT_VERSION__=0x0700
5229 check_${pfx}cpp_condition windows.h "!defined(_WIN32_WINNT) || _WIN32_WINNT < 0x0600" &&
5230 add_${pfx}cppflags -D_WIN32_WINNT=0x0600
5231 eval test \$${pfx_no_}cc_type = "gcc" &&
5232 add_${pfx}cppflags -D__printf__=__gnu_printf__
5233 elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
5234 eval ${pfx}libc_type=msvcrt
5235 if check_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then
5236 if [ "$pfx" = host_ ]; then
5237 add_host_cppflags -Dsnprintf=_snprintf
5239 add_compat strtod.o strtod=avpriv_strtod
5240 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
5241 _snprintf=avpriv_snprintf \
5242 vsnprintf=avpriv_vsnprintf
5245 add_${pfx}cppflags -D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS
5246 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
5247 # 0x601 by default unless something else is set by the user.
5248 # This can easily lead to us detecting functions only present
5249 # in such new versions and producing binaries requiring windows 7.0.
5250 # Therefore explicitly set the default to Vista unless the user has
5251 # set something else on the command line.
5252 # Don't do this if WINAPI_FAMILY is set and is set to a non-desktop
5253 # family. For these cases, configure is free to use any functions
5254 # found in the SDK headers by default. (Alternatively, we could force
5255 # _WIN32_WINNT to 0x0602 in that case.)
5256 check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||
5257 { check_${pfx}cpp <<EOF && add_${pfx}cppflags -D_WIN32_WINNT=0x0600; }
5258 #ifdef WINAPI_FAMILY
5259 #include <winapifamily.h>
5260 #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
5265 if [ "$pfx" = "" ]; then
5266 check_func strtoll || add_cflags -Dstrtoll=_strtoi64
5267 check_func strtoull || add_cflags -Dstrtoull=_strtoui64
5269 elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
5270 eval ${pfx}libc_type=klibc
5271 elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then
5272 eval ${pfx}libc_type=bionic
5273 elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then
5274 eval ${pfx}libc_type=solaris
5275 add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
5277 check_${pfx}cc <<EOF
5279 void *v = localtime_r;
5281 test "$?" != 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
5283 void *v = localtime_r;
5286 eval test -n "\${${pfx}libc_type}" && enable ${pfx}libc_${libc_type}
5292 # hacks for compiler/libc/os combinations
5296 add_compat strtod.o strtod=avpriv_strtod
5300 check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||
5301 add_cppflags '-I\$(SRC_PATH)/compat/float'
5303 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
5306 : ${shlibdir_default:="$libdir"}
5307 : ${pkgconfigdir_default:="$libdir/pkgconfig"}
5309 set_default $PATHS_LIST
5312 disabled optimizations || enabled ossfuzz || check_cflags -fomit-frame-pointer
5315 disabled pic && return
5318 case "$target_os" in
5319 mingw*|cygwin*|win*)
5328 enabled pic && enable_weak_pic
5330 check_cc <<EOF || die "Symbol mangling check failed."
5333 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
5334 extern_prefix=${sym%%ff_extern*}
5336 ! disabled inline_asm && check_inline_asm inline_asm '"" ::'
5338 for restrict_keyword in restrict __restrict__ __restrict ""; do
5339 check_cc <<EOF && break
5340 void foo(char * $restrict_keyword p);
5344 check_cc <<EOF && enable pragma_deprecated
5345 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
5348 check_cc <<EOF || die "endian test failed"
5349 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
5351 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
5353 check_cc <<EOF && enable const_nan
5355 void foo(void) { struct { double d; } static const bar[] = { { NAN } }; }
5358 if ! enabled ppc64 || enabled bigendian; then
5363 log "check_gas using '$as' as AS"
5364 # :vararg is used on aarch64, arm and ppc altivec
5365 check_as <<EOF || return 1
5366 .macro m n, y:vararg=0
5371 # .altmacro is only used in arm asm
5372 ! enabled arm || check_as <<EOF || return 1
5379 if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then
5381 enabled_any arm aarch64 && nogas=die
5382 enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn
5386 arm*) gaspp_as_type=armasm; as_noop=-h ;;
5387 gcc) gaspp_as_type=gas ;;
5388 *) gaspp_as_type=$as_type ;;
5391 [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"
5393 test "${as#*gas-preprocessor.pl}" != "$as" ||
5394 check_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- ${as:=$cc} $as_noop &&
5395 gas="${gas:=gas-preprocessor.pl} -arch $arch -as-type $gaspp_as_type -- ${as:=$cc}"
5397 if ! check_gas ; then
5400 $nogas "GNU assembler not found, install/update gas-preprocessor"
5403 check_as <<EOF && enable as_func
5409 check_inline_asm inline_asm_labels '"1:\n"'
5411 check_inline_asm inline_asm_nonlocal_labels '"Label:\n"'
5413 if enabled aarch64; then
5414 enabled armv8 && check_insn armv8 'prfm pldl1strm, [x0]'
5415 # internal assembler in clang 3.3 does not support this instruction
5416 enabled neon && check_insn neon 'ext v0.8B, v0.8B, v1.8B, #1'
5417 enabled vfp && check_insn vfp 'fmadd d0, d0, d1, d2'
5419 map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM
5421 elif enabled alpha; then
5425 elif enabled arm; then
5427 enabled msvc && check_cpp_condition stddef.h "defined _M_ARMT" && enable thumb
5429 check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb
5430 float func(float a, float b){ return a+b; }
5433 enabled thumb && check_cflags -mthumb || check_cflags -marm
5435 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
5437 elif check_cpp_condition stddef.h "defined _M_ARM_FP && _M_ARM_FP >= 30"; then
5439 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__" && [ $target_os != darwin ]; then
5440 case "${cross_prefix:-$cc}" in
5441 *hardfloat*) enable vfp_args; fpabi=vfp ;;
5442 *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
5443 __asm__ (".eabi_attribute 28, 1");
5444 int main(void) { return 0; }
5447 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
5450 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
5451 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
5452 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
5453 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
5454 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
5455 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
5456 enabled setend && check_insn setend 'setend be'
5458 [ $target_os = linux ] || [ $target_os = android ] ||
5459 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
5462 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
5464 check_as <<EOF && enable as_arch_directive
5467 check_as <<EOF && enable as_fpu_directive
5471 # llvm's integrated assembler supports .object_arch from llvm 3.5
5472 [ "$objformat" = elf32 ] || [ "$objformat" = elf64 ] &&
5473 check_as <<EOF && enable as_object_arch
5477 # MS armasm fails to assemble our PIC constructs
5478 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
5480 elif enabled mips; then
5482 enabled loongson2 && check_inline_asm loongson2 '"dmult.g $8, $9, $10"'
5483 enabled loongson3 && check_inline_asm loongson3 '"gsldxc1 $f0, 0($2, $3)"'
5484 enabled mmi && check_inline_asm mmi '"punpcklhw $f0, $f0, $f0"'
5486 # Enable minimum ISA based on selected options
5487 if enabled mips64; then
5488 enabled mips64r6 && check_inline_asm_flags mips64r6 '"dlsa $0, $0, $0, 1"' '-mips64r6'
5489 enabled mips64r2 && check_inline_asm_flags mips64r2 '"dext $0, $0, 0, 1"' '-mips64r2'
5490 disabled mips64r6 && disabled mips64r2 && check_inline_asm_flags mips64r1 '"daddi $0, $0, 0"' '-mips64'
5492 enabled mips32r6 && check_inline_asm_flags mips32r6 '"aui $0, $0, 0"' '-mips32r6'
5493 enabled mips32r5 && check_inline_asm_flags mips32r5 '"eretnc"' '-mips32r5'
5494 enabled mips32r2 && check_inline_asm_flags mips32r2 '"ext $0, $0, 0, 1"' '-mips32r2'
5495 disabled mips32r6 && disabled mips32r5 && disabled mips32r2 && check_inline_asm_flags mips32r1 '"addi $0, $0, 0"' '-mips32'
5498 enabled mipsfpu && check_inline_asm_flags mipsfpu '"cvt.d.l $f0, $f2"' '-mhard-float'
5499 enabled mipsfpu && (enabled mips32r5 || enabled mips32r6 || enabled mips64r6) && check_inline_asm_flags mipsfpu '"cvt.d.l $f0, $f1"' '-mfp64'
5500 enabled mipsfpu && enabled msa && check_inline_asm_flags msa '"addvi.b $w0, $w1, 1"' '-mmsa' && check_header msa.h || disable msa
5501 enabled mipsdsp && check_inline_asm_flags mipsdsp '"addu.qb $t0, $t1, $t2"' '-mdsp'
5502 enabled mipsdspr2 && check_inline_asm_flags mipsdspr2 '"absq_s.qb $t0, $t1"' '-mdspr2'
5504 if enabled bigendian && enabled msa; then
5508 elif enabled parisc; then
5510 if enabled gcc; then
5511 case $($cc -dumpversion) in
5512 4.[3-9].*) check_cflags -fno-optimize-sibling-calls ;;
5516 elif enabled ppc; then
5518 enable local_aligned
5520 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
5521 check_inline_asm ibm_asm '"add 0, 0, 0"'
5522 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
5523 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
5525 if enabled altivec; then
5526 check_cflags -maltivec -mabi=altivec
5528 # check if our compiler supports Motorola AltiVec C API
5529 check_code cc altivec.h "vector signed int v1 = (vector signed int) { 0 };
5530 vector signed int v2 = (vector signed int) { 1 };
5531 v1 = vec_add(v1, v2);" ||
5534 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
5537 if enabled vsx; then
5538 check_cflags -mvsx &&
5539 check_code cc altivec.h "int v[4] = { 0 };
5540 vector signed int v1 = vec_vsx_ld(0, v);" ||
5544 if enabled power8; then
5545 check_cpp_condition "altivec.h" "defined(_ARCH_PWR8)" || disable power8
5548 elif enabled x86; then
5550 check_builtin rdtsc intrin.h "__rdtsc()"
5551 check_builtin mm_empty mmintrin.h "_mm_empty()"
5553 enable local_aligned
5555 # check whether EBP is available on x86
5556 # As 'i' is stored on the stack, this program will crash
5557 # if the base pointer is used to access it because the
5558 # base pointer is cleared in the inline assembly code.
5559 check_exec_crash <<EOF && enable ebp_available
5561 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
5565 # check whether EBX is available on x86
5566 check_inline_asm ebx_available '""::"b"(0)' &&
5567 check_inline_asm ebx_available '"":::"%ebx"'
5569 # check whether xmm clobbers are supported
5570 check_inline_asm xmm_clobbers '"":::"%xmm0"'
5572 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' ||
5573 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"'
5575 # check whether binutils is new enough to compile SSSE3/MMXEXT
5576 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
5577 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
5581 if check_cmd $x86asmexe_probe -v; then
5582 x86asmexe=$x86asmexe_probe
5584 x86asm_debug="-g -F dwarf"
5586 X86ASM_DEPFLAGS='-MD $(@:.o=.d)'
5587 elif check_cmd $x86asmexe_probe --version; then
5588 x86asmexe=$x86asmexe_probe
5590 x86asm_debug="-g dwarf2"
5591 X86ASMDEP='$(DEPX86ASM) $(X86ASMFLAGS) -M $(X86ASM_O) $< > $(@:.o=.d)'
5594 check_x86asm "movbe ecx, [5]" && enable x86asm
5597 if ! disabled_any asm mmx x86asm; then
5599 for program in $x86asmexe nasm yasm; do
5600 probe_x86asm $program && break
5602 disabled x86asm && die "nasm/yasm not found or too old. Use --disable-x86asm for a crippled build."
5603 X86ASMFLAGS="-f $objformat"
5604 enabled pic && append X86ASMFLAGS "-DPIC"
5605 test -n "$extern_prefix" && append X86ASMFLAGS "-DPREFIX"
5606 case "$objformat" in
5607 elf*) enabled debug && append X86ASMFLAGS $x86asm_debug ;;
5610 check_x86asm "vmovdqa32 [eax]{k1}{z}, zmm0" || disable avx512_external
5611 check_x86asm "vextracti128 xmm0, ymm0, 0" || disable avx2_external
5612 check_x86asm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external
5613 check_x86asm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
5614 check_x86asm "CPU amdnop" || disable cpunop
5618 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
5625 check_code cc arm_neon.h "int16x8_t test = vdupq_n_s16(0)" && enable intrinsics_neon
5627 check_ldflags -Wl,--as-needed
5628 check_ldflags -Wl,-z,noexecstack
5630 if ! disabled network; then
5631 check_func getaddrinfo $network_extralibs
5632 check_func inet_aton $network_extralibs
5634 check_type netdb.h "struct addrinfo"
5635 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
5636 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
5637 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
5638 check_type poll.h "struct pollfd"
5639 check_type netinet/sctp.h "struct sctp_event_subscribe"
5640 check_struct "sys/socket.h" "struct msghdr" msg_flags
5641 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
5642 check_type netinet/in.h "struct sockaddr_in6"
5643 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
5644 check_type "sys/types.h sys/socket.h" socklen_t
5646 # Prefer arpa/inet.h over winsock2
5647 if check_header arpa/inet.h ; then
5648 check_func closesocket
5649 elif check_header winsock2.h ; then
5650 check_func_headers winsock2.h closesocket -lws2 &&
5651 network_extralibs="-lws2" ||
5652 { check_func_headers winsock2.h closesocket -lws2_32 &&
5653 network_extralibs="-lws2_32"; } || disable winsock2_h network
5654 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
5656 check_type ws2tcpip.h socklen_t
5657 check_type ws2tcpip.h "struct addrinfo"
5658 check_type ws2tcpip.h "struct group_source_req"
5659 check_type ws2tcpip.h "struct ip_mreq_source"
5660 check_type ws2tcpip.h "struct ipv6_mreq"
5661 check_type winsock2.h "struct pollfd"
5662 check_struct winsock2.h "struct sockaddr" sa_len
5663 check_type ws2tcpip.h "struct sockaddr_in6"
5664 check_type ws2tcpip.h "struct sockaddr_storage"
5670 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
5671 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
5672 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
5673 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
5674 check_builtin gmtime_r time.h "time_t *time; struct tm *tm; gmtime_r(time, tm)"
5675 check_builtin localtime_r time.h "time_t *time; struct tm *tm; localtime_r(time, tm)"
5676 check_builtin x264_csp_bgr "stdint.h x264.h" "X264_CSP_BGR"
5678 case "$custom_allocator" in
5680 # jemalloc by default does not use a prefix
5681 require libjemalloc jemalloc/jemalloc.h malloc -ljemalloc
5684 require_pkg_config libtcmalloc libtcmalloc gperftools/tcmalloc.h tc_malloc
5689 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
5690 check_func ${malloc_prefix}memalign && enable memalign
5691 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
5694 check_func_headers stdlib.h arc4random
5695 check_lib clock_gettime time.h clock_gettime || check_lib clock_gettime time.h clock_gettime -lrt
5698 check_func gethrtime
5700 check_func getrusage
5701 check_func gettimeofday
5706 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
5707 check_func_headers time.h nanosleep || check_lib nanosleep time.h nanosleep -lrt
5708 check_func sched_getaffinity
5709 check_func setrlimit
5710 check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE
5711 check_func strerror_r
5716 check_func_headers conio.h kbhit
5717 check_func_headers io.h setmode
5718 check_func_headers lzo/lzo1x.h lzo1x_999_compress
5719 check_func_headers mach/mach_time.h mach_absolute_time
5720 check_func_headers stdlib.h getenv
5721 check_func_headers sys/stat.h lstat
5723 check_func_headers windows.h GetProcessAffinityMask
5724 check_func_headers windows.h GetProcessTimes
5725 check_func_headers windows.h GetSystemTimeAsFileTime
5726 check_func_headers windows.h LoadLibrary
5727 check_func_headers windows.h MapViewOfFile
5728 check_func_headers windows.h PeekNamedPipe
5729 check_func_headers windows.h SetConsoleTextAttribute
5730 check_func_headers windows.h SetConsoleCtrlHandler
5731 check_func_headers windows.h Sleep
5732 check_func_headers windows.h VirtualAlloc
5733 check_func_headers glob.h glob
5735 check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext
5737 check_header direct.h
5738 check_header dirent.h
5739 check_header dxgidebug.h
5741 check_header dxva2api.h -D_WIN32_WINNT=0x0600
5743 check_header libcrystalhd/libcrystalhd_if.h
5744 check_header malloc.h
5745 check_header net/udplite.h
5747 check_header sys/param.h
5748 check_header sys/resource.h
5749 check_header sys/select.h
5750 check_header sys/time.h
5751 check_header sys/un.h
5752 check_header termios.h
5753 check_header unistd.h
5754 check_header valgrind/valgrind.h
5755 check_func_headers VideoToolbox/VTCompressionSession.h VTCompressionSessionPrepareToEncodeFrames -framework VideoToolbox
5756 check_header windows.h
5757 check_header X11/extensions/XvMClib.h
5758 check_header asm/types.h
5760 # it seems there are versions of clang in some distros that try to use the
5761 # gcc headers, which explodes for stdatomic
5762 # so we also check that atomics actually work here
5763 check_builtin stdatomic stdatomic.h "atomic_int foo, bar = ATOMIC_VAR_INIT(-1); atomic_store(&foo, 0)"
5765 check_lib advapi32 "windows.h" RegCloseKey -ladvapi32
5766 check_lib ole32 "windows.h" CoTaskMemFree -lole32
5767 check_lib shell32 "windows.h shellapi.h" CommandLineToArgvW -lshell32
5768 check_lib wincrypt "windows.h wincrypt.h" CryptGenRandom -ladvapi32
5769 check_lib psapi "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
5771 check_lib android android/native_window.h ANativeWindow_acquire -landroid
5772 check_lib mediandk "stdint.h media/NdkImage.h" AImage_delete -lmediandk
5773 check_lib camera2ndk "stdbool.h stdint.h camera/NdkCameraManager.h" ACameraManager_create -lcamera2ndk
5775 enabled appkit && check_apple_framework AppKit
5776 enabled audiotoolbox && check_apple_framework AudioToolbox
5777 enabled avfoundation && check_apple_framework AVFoundation
5778 enabled coreimage && check_apple_framework CoreImage
5779 enabled videotoolbox && check_apple_framework VideoToolbox
5781 check_apple_framework CoreFoundation
5782 check_apple_framework CoreMedia
5783 check_apple_framework CoreVideo
5785 enabled avfoundation && {
5786 disable coregraphics applicationservices
5787 check_lib coregraphics CoreGraphics/CoreGraphics.h CGGetActiveDisplayList "-framework CoreGraphics" ||
5788 check_lib applicationservices ApplicationServices/ApplicationServices.h CGGetActiveDisplayList "-framework ApplicationServices"; }
5790 enabled videotoolbox && {
5791 check_lib coreservices CoreServices/CoreServices.h UTGetOSTypeFromString "-framework CoreServices"
5792 check_func_headers CoreMedia/CMFormatDescription.h kCMVideoCodecType_HEVC "-framework CoreMedia"
5795 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
5797 check_type "windows.h dxva.h" "DXVA_PicParams_HEVC" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0
5798 check_type "windows.h dxva.h" "DXVA_PicParams_VP9" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0
5799 check_type "windows.h d3d11.h" "ID3D11VideoDecoder"
5800 check_type "windows.h d3d11.h" "ID3D11VideoContext"
5801 check_type "d3d9.h dxva2api.h" DXVA2_ConfigPictureDecode -D_WIN32_WINNT=0x0602
5803 check_type "va/va.h va/va_dec_hevc.h" "VAPictureParameterBufferHEVC"
5804 check_type "va/va.h va/va_dec_vp8.h" "VAPictureParameterBufferVP8"
5805 check_struct "va/va.h" "VADecPictureParameterBufferVP9" bit_depth
5806 check_type "va/va.h va/va_vpp.h" "VAProcPipelineParameterBuffer"
5807 check_type "va/va.h va/va_enc_h264.h" "VAEncPictureParameterBufferH264"
5808 check_type "va/va.h va/va_enc_hevc.h" "VAEncPictureParameterBufferHEVC"
5809 check_type "va/va.h va/va_enc_jpeg.h" "VAEncPictureParameterBufferJPEG"
5810 check_type "va/va.h va/va_enc_mpeg2.h" "VAEncPictureParameterBufferMPEG2"
5811 check_type "va/va.h va/va_enc_vp8.h" "VAEncPictureParameterBufferVP8"
5812 check_type "va/va.h va/va_enc_vp9.h" "VAEncPictureParameterBufferVP9"
5814 check_type "vdpau/vdpau.h" "VdpPictureInfoHEVC"
5816 if ! disabled ffnvcodec; then
5817 check_pkg_config ffnvcodec "ffnvcodec >= 8.0.14.1" \
5818 "ffnvcodec/nvEncodeAPI.h ffnvcodec/dynlink_cuda.h ffnvcodec/dynlink_cuviddec.h ffnvcodec/dynlink_nvcuvid.h" ""
5821 check_cpp_condition windows.h "!WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)" && enable winrt || disable winrt
5823 if ! disabled w32threads && ! enabled pthreads; then
5824 check_func_headers "windows.h process.h" _beginthreadex &&
5825 check_type "windows.h" CONDITION_VARIABLE &&
5826 enable w32threads || disable w32threads
5827 if ! enabled w32threads && enabled winrt; then
5828 check_func_headers "windows.h" CreateThread &&
5829 enable w32threads || disable w32threads
5833 # check for some common methods of building with pthread support
5834 # do this before the optional library checks as some of them require pthreads
5835 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
5836 if check_lib pthreads pthread.h pthread_join -pthread &&
5837 check_lib pthreads pthread.h pthread_create -pthread; then
5839 elif check_lib pthreads pthread.h pthread_join -pthreads &&
5840 check_lib pthreads pthread.h pthread_create -pthreads; then
5841 add_cflags -pthreads
5842 elif check_lib pthreads pthread.h pthread_join -ldl -pthread &&
5843 check_lib pthreads pthread.h pthread_create -ldl -pthread; then
5844 add_cflags -ldl -pthread
5845 elif check_lib pthreads pthread.h pthread_join -lpthreadGC2 &&
5846 check_lib pthreads pthread.h pthread_create -lpthreadGC2; then
5848 elif check_lib pthreads pthread.h pthread_join -lpthread &&
5849 check_lib pthreads pthread.h pthread_create -lpthread; then
5851 elif check_func pthread_join && check_func pthread_create; then
5854 check_code cc "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER" || disable pthreads
5856 if enabled pthreads; then
5857 check_builtin sem_timedwait semaphore.h "sem_t *s; sem_init(s,0,0); sem_timedwait(s,0); sem_destroy(s)" $pthreads_extralibs
5858 check_func pthread_cancel $pthreads_extralibs
5862 enabled zlib && check_lib zlib zlib.h zlibVersion -lz
5863 enabled bzlib && check_lib bzlib bzlib.h BZ2_bzlibVersion -lbz2
5864 enabled lzma && check_lib lzma lzma.h lzma_version_number -llzma
5866 # On some systems dynamic loading requires no extra linker flags
5867 check_lib libdl dlfcn.h "dlopen dlsym" || check_lib libdl dlfcn.h "dlopen dlsym" -ldl
5869 check_lib libm math.h sin -lm
5877 for func in $MATH_FUNCS; do
5878 eval check_mathfunc $func \${${func}_args:-1} $libm_extralibs
5881 for func in $COMPLEX_FUNCS; do
5882 eval check_complexfunc $func \${${func}_args:-1}
5885 # these are off by default, so fail if requested and not available
5886 enabled cuda_sdk && require cuda_sdk cuda.h cuCtxCreate -lcuda
5887 enabled chromaprint && require chromaprint chromaprint.h chromaprint_get_version -lchromaprint
5888 enabled decklink && { require_header DeckLinkAPI.h &&
5889 { check_cpp_condition DeckLinkAPIVersion.h "BLACKMAGIC_DECKLINK_API_VERSION >= 0x0a060100" || die "ERROR: Decklink API version must be >= 10.6.1."; } }
5890 enabled libndi_newtek && require_header Processing.NDI.Lib.h
5891 enabled frei0r && require_header frei0r.h
5892 enabled gmp && require gmp gmp.h mpz_export -lgmp
5893 enabled gnutls && require_pkg_config gnutls gnutls gnutls/gnutls.h gnutls_global_init
5894 enabled jni && { [ $target_os = "android" ] && check_header jni.h && enabled pthreads || die "ERROR: jni not found"; }
5895 enabled ladspa && require_header ladspa.h
5896 enabled lv2 && require_pkg_config lv2 lilv-0 "lilv-0/lilv/lilv.h" lilv_world_new
5897 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
5898 enabled libass && require_pkg_config libass libass ass/ass.h ass_library_init
5899 enabled libbluray && require_pkg_config libbluray libbluray libbluray/bluray.h bd_open
5900 enabled libbs2b && require_pkg_config libbs2b libbs2b bs2b.h bs2b_open
5901 enabled libcelt && require libcelt celt/celt.h celt_decode -lcelt0 &&
5902 { check_lib libcelt celt/celt.h celt_decoder_create_custom -lcelt0 ||
5903 die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
5904 enabled libcaca && require_pkg_config libcaca caca caca.h caca_create_canvas
5905 enabled libcodec2 && require libcodec2 codec2/codec2.h codec2_create -lcodec2
5906 enabled libdc1394 && require_pkg_config libdc1394 libdc1394-2 dc1394/dc1394.h dc1394_new
5907 enabled libdrm && require_pkg_config libdrm libdrm xf86drm.h drmGetVersion
5908 enabled libfdk_aac && { check_pkg_config libfdk_aac fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen ||
5909 { require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac &&
5910 warn "using libfdk without pkg-config"; } }
5911 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"
5912 enabled libflite && require libflite "flite/flite.h" flite_init $flite_extralibs
5913 enabled fontconfig && enable libfontconfig
5914 enabled libfontconfig && require_pkg_config libfontconfig fontconfig "fontconfig/fontconfig.h" FcInit
5915 enabled libfreetype && require_pkg_config libfreetype freetype2 "ft2build.h FT_FREETYPE_H" FT_Init_FreeType
5916 enabled libfribidi && require_pkg_config libfribidi fribidi fribidi.h fribidi_version_info
5917 enabled libgme && { check_pkg_config libgme libgme gme/gme.h gme_new_emu ||
5918 require libgme gme/gme.h gme_new_emu -lgme -lstdc++; }
5919 enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
5920 check_lib libgsm "${gsm_hdr}" gsm_create -lgsm && break;
5921 done || die "ERROR: libgsm not found"; }
5922 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc $pthreads_extralibs
5923 enabled libkvazaar && require_pkg_config libkvazaar "kvazaar >= 0.8.1" kvazaar.h kvz_api_get
5924 # While it may appear that require is being used as a pkg-config
5925 # fallback for libmfx, it is actually being used to detect a different
5926 # installation route altogether. If libmfx is installed via the Intel
5927 # Media SDK or Intel Media Server Studio, these don't come with
5928 # pkg-config support. Instead, users should make sure that the build
5929 # can find the libraries and headers through other means.
5930 enabled libmfx && { check_pkg_config libmfx libmfx "mfx/mfxvideo.h" MFXInit ||
5931 { require libmfx "mfx/mfxvideo.h" MFXInit "-llibmfx $advapi32_extralibs" && warn "using libmfx without pkg-config"; } }
5932 enabled libmodplug && require_pkg_config libmodplug libmodplug libmodplug/modplug.h ModPlug_Load
5933 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame $libm_extralibs
5934 enabled libmysofa && require libmysofa "mysofa.h" mysofa_load -lmysofa $zlib_extralibs
5935 enabled libnpp && { check_lib libnpp npp.h nppGetLibVersion -lnppig -lnppicc -lnppc ||
5936 check_lib libnpp npp.h nppGetLibVersion -lnppi -lnppc ||
5937 die "ERROR: libnpp not found"; }
5938 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
5939 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
5940 enabled libopencv && { check_header opencv2/core/core_c.h &&
5941 { check_pkg_config libopencv opencv opencv2/core/core_c.h cvCreateImageHeader ||
5942 require libopencv opencv2/core/core_c.h cvCreateImageHeader -lopencv_core -lopencv_imgproc; } ||
5943 require_pkg_config libopencv opencv opencv/cxcore.h cvCreateImageHeader; }
5944 enabled libopenh264 && require_pkg_config libopenh264 openh264 wels/codec_api.h WelsGetCodecVersion
5945 enabled libopenjpeg && { check_pkg_config libopenjpeg "libopenjp2 >= 2.1.0" openjpeg.h opj_version ||
5946 { require_pkg_config libopenjpeg "libopenjp2 >= 2.1.0" openjpeg.h opj_version -DOPJ_STATIC && add_cppflags -DOPJ_STATIC; } }
5947 enabled libopenmpt && require_pkg_config libopenmpt "libopenmpt >= 0.2.6557" libopenmpt/libopenmpt.h openmpt_module_create -lstdc++ && append libopenmpt_extralibs "-lstdc++"
5948 enabled libopus && {
5949 enabled libopus_decoder && {
5950 require_pkg_config libopus opus opus_multistream.h opus_multistream_decoder_create
5952 enabled libopus_encoder && {
5953 require_pkg_config libopus opus opus_multistream.h opus_multistream_surround_encoder_create
5956 enabled libpulse && require_pkg_config libpulse libpulse pulse/pulseaudio.h pa_context_new
5957 enabled librsvg && require_pkg_config librsvg librsvg-2.0 librsvg-2.0/librsvg/rsvg.h rsvg_handle_render_cairo
5958 enabled librtmp && require_pkg_config librtmp librtmp librtmp/rtmp.h RTMP_Socket
5959 enabled librubberband && require_pkg_config librubberband "rubberband >= 1.8.1" rubberband/rubberband-c.h rubberband_new -lstdc++ && append librubberband_extralibs "-lstdc++"
5960 enabled libshine && require_pkg_config libshine shine shine/layer3.h shine_encode_buffer
5961 enabled libsmbclient && { check_pkg_config libsmbclient smbclient libsmbclient.h smbc_init ||
5962 require libsmbclient libsmbclient.h smbc_init -lsmbclient; }
5963 enabled libsnappy && require libsnappy snappy-c.h snappy_compress -lsnappy -lstdc++
5964 enabled libsoxr && require libsoxr soxr.h soxr_create -lsoxr
5965 enabled libssh && require_pkg_config libssh libssh libssh/sftp.h sftp_init
5966 enabled libspeex && require_pkg_config libspeex speex speex/speex.h speex_decoder_init
5967 enabled libtesseract && require_pkg_config libtesseract tesseract tesseract/capi.h TessBaseAPICreate
5968 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
5969 enabled libtls && require_pkg_config libtls libtls tls.h tls_configure
5970 enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame &&
5971 { check_lib libtwolame twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
5972 die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
5973 enabled libv4l2 && require_pkg_config libv4l2 libv4l2 libv4l2.h v4l2_ioctl
5974 enabled libvidstab && require_pkg_config libvidstab "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit
5975 enabled libvmaf && require_pkg_config libvmaf "libvmaf >= 0.6.2" libvmaf.h compute_vmaf
5976 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
5977 enabled libvorbis && require_pkg_config libvorbis vorbis vorbis/codec.h vorbis_info_init &&
5978 require_pkg_config libvorbisenc vorbisenc vorbis/vorbisenc.h vorbis_encode_init
5981 enabled libvpx_vp8_decoder && {
5982 check_pkg_config libvpx_vp8_decoder "vpx >= 1.4.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp8_dx ||
5983 check_lib libvpx_vp8_decoder "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_dec_init_ver VPX_IMG_FMT_HIGHBITDEPTH" -lvpx ||
5984 die "ERROR: libvpx decoder version must be >=1.4.0";
5986 enabled libvpx_vp8_encoder && {
5987 check_pkg_config libvpx_vp8_encoder "vpx >= 1.4.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp8_cx ||
5988 check_lib libvpx_vp8_encoder "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VPX_IMG_FMT_HIGHBITDEPTH" -lvpx ||
5989 die "ERROR: libvpx encoder version must be >=1.4.0";
5991 enabled libvpx_vp9_decoder && {
5992 check_pkg_config libvpx_vp9_decoder "vpx >= 1.4.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx ||
5993 check_lib libvpx_vp9_decoder "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx VPX_IMG_FMT_HIGHBITDEPTH" "-lvpx $libm_extralibs"
5995 enabled libvpx_vp9_encoder && {
5996 check_pkg_config libvpx_vp9_encoder "vpx >= 1.4.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx ||
5997 check_lib libvpx_vp9_encoder "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VPX_IMG_FMT_HIGHBITDEPTH" "-lvpx $libm_extralibs"
5999 if disabled_all libvpx_vp8_decoder libvpx_vp9_decoder libvpx_vp8_encoder libvpx_vp9_encoder; then
6000 die "libvpx enabled but no supported decoders found"
6004 enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack
6005 enabled libwebp && {
6006 enabled libwebp_encoder && require_pkg_config libwebp "libwebp >= 0.2.0" webp/encode.h WebPGetEncoderVersion
6007 enabled libwebp_anim_encoder && check_pkg_config libwebp_anim_encoder "libwebpmux >= 0.4.0" webp/mux.h WebPAnimEncoderOptionsInit; }
6008 enabled libx264 && { check_pkg_config libx264 x264 "stdint.h x264.h" x264_encoder_encode ||
6009 { require libx264 "stdint.h x264.h" x264_encoder_encode "-lx264 $pthreads_extralibs $libm_extralibs" &&
6010 warn "using libx264 without pkg-config"; } } &&
6011 require_cpp_condition x264.h "X264_BUILD >= 118" &&
6012 { check_cpp_condition x264.h "X264_MPEG2" &&
6014 enabled libx265 && require_pkg_config libx265 x265 x265.h x265_api_get &&
6015 require_cpp_condition x265.h "X265_BUILD >= 68"
6016 enabled libxavs && require libxavs "stdint.h xavs.h" xavs_encoder_encode "-lxavs $pthreads_extralibs $libm_extralibs"
6017 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
6018 enabled libzimg && require_pkg_config libzimg "zimg >= 2.7.0" zimg.h zimg_get_api_version
6019 enabled libzmq && require_pkg_config libzmq libzmq zmq.h zmq_ctx_new
6020 enabled libzvbi && require_pkg_config libzvbi zvbi-0.2 libzvbi.h vbi_decoder_new &&
6021 { check_cpp_condition libzvbi.h "VBI_VERSION_MAJOR > 0 || VBI_VERSION_MINOR > 2 || VBI_VERSION_MINOR == 2 && VBI_VERSION_MICRO >= 28" ||
6022 enabled gpl || die "ERROR: libzvbi requires version 0.2.28 or --enable-gpl."; }
6023 enabled libxml2 && require_pkg_config libxml2 libxml-2.0 libxml2/libxml/xmlversion.h xmlCheckVersion
6024 enabled mediacodec && { enabled jni || die "ERROR: mediacodec requires --enable-jni"; }
6025 enabled mmal && { check_lib mmal interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ||
6026 { ! enabled cross_compile &&
6027 add_cflags -isystem/opt/vc/include/ -isystem/opt/vc/include/interface/vmcs_host/linux -isystem/opt/vc/include/interface/vcos/pthreads -fgnu89-inline &&
6028 add_ldflags -L/opt/vc/lib/ &&
6029 check_lib mmal interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host; } ||
6030 die "ERROR: mmal not found" &&
6031 check_func_headers interface/mmal/mmal.h "MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS"; }
6032 enabled openal && { { for al_extralibs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
6033 check_lib openal 'AL/al.h' alGetError "${al_extralibs}" && break; done } ||
6034 die "ERROR: openal not found"; } &&
6035 { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
6036 die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
6037 enabled opencl && { check_lib opencl OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||
6038 check_lib opencl CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||
6039 die "ERROR: opencl not found"; } &&
6040 { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||
6041 check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||
6042 die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }
6043 enabled opengl && { check_lib opengl GL/glx.h glXGetProcAddress "-lGL" ||
6044 check_lib opengl windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||
6045 check_lib opengl OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||
6046 check_lib opengl ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||
6047 die "ERROR: opengl not found."
6049 enabled omx && require_header OMX_Core.h
6050 enabled omx_rpi && { check_header OMX_Core.h ||
6051 { ! enabled cross_compile && add_cflags -isystem/opt/vc/include/IL && check_header OMX_Core.h ; } ||
6052 die "ERROR: OpenMAX IL headers not found"; } && enable omx
6053 enabled openssl && { check_pkg_config openssl openssl openssl/ssl.h OPENSSL_init_ssl ||
6054 check_pkg_config openssl openssl openssl/ssl.h SSL_library_init ||
6055 check_lib openssl openssl/ssl.h SSL_library_init -lssl -lcrypto ||
6056 check_lib openssl openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
6057 check_lib openssl openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
6058 die "ERROR: openssl not found"; }
6059 enabled rkmpp && { require_pkg_config rkmpp rockchip_mpp rockchip/rk_mpi.h mpp_create &&
6060 require_pkg_config rockchip_mpp "rockchip_mpp >= 1.3.7" rockchip/rk_mpi.h mpp_create &&
6062 die "ERROR: rkmpp requires --enable-libdrm"; }
6065 if enabled gcrypt; then
6066 GCRYPT_CONFIG="${cross_prefix}libgcrypt-config"
6067 if "${GCRYPT_CONFIG}" --version > /dev/null 2>&1; then
6068 gcrypt_cflags=$("${GCRYPT_CONFIG}" --cflags)
6069 gcrypt_extralibs=$("${GCRYPT_CONFIG}" --libs)
6070 check_func_headers gcrypt.h gcry_mpi_new $gcrypt_cflags $gcrypt_extralibs ||
6071 die "ERROR: gcrypt not found"
6072 add_cflags $gcrypt_cflags
6074 require gcrypt gcrypt.h gcry_mpi_new -lgcrypt
6078 if enabled sdl2; then
6079 SDL2_CONFIG="${cross_prefix}sdl2-config"
6080 test_pkg_config sdl2 "sdl2 >= 2.0.1 sdl2 < 2.1.0" SDL_events.h SDL_PollEvent
6081 if disabled sdl2 && "${SDL2_CONFIG}" --version > /dev/null 2>&1; then
6082 sdl2_cflags=$("${SDL2_CONFIG}" --cflags)
6083 sdl2_extralibs=$("${SDL2_CONFIG}" --libs)
6084 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x020001" $sdl2_cflags &&
6085 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x020100" $sdl2_cflags &&
6086 check_func_headers SDL_events.h SDL_PollEvent $sdl2_extralibs $sdl2_cflags &&
6089 if test $target_os = "mingw32"; then
6090 sdl2_extralibs=$(filter_out '-mwindows' $sdl2_extralibs)
6094 if enabled decklink; then
6096 mingw32*|mingw64*|win32|win64)
6097 decklink_outdev_extralibs="$decklink_outdev_extralibs -lole32 -loleaut32"
6098 decklink_indev_extralibs="$decklink_indev_extralibs -lole32 -loleaut32"
6103 enabled securetransport &&
6104 check_func SecIdentityCreate "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&
6105 check_lib securetransport "Security/SecureTransport.h Security/Security.h" "SSLCreateContext" "-Wl,-framework,CoreFoundation -Wl,-framework,Security" ||
6106 disable securetransport
6108 enabled securetransport &&
6109 check_func SecItemImport "-Wl,-framework,CoreFoundation -Wl,-framework,Security"
6112 check_func_headers "windows.h security.h" InitializeSecurityContext -DSECURITY_WIN32 -lsecur32 &&
6113 check_cpp_condition winerror.h "defined(SEC_I_CONTEXT_EXPIRED)" &&
6114 schannel_extralibs="-lsecur32" ||
6117 makeinfo --version > /dev/null 2>&1 && enable makeinfo || disable makeinfo
6119 && [ 0$(makeinfo --version | grep "texinfo" | sed 's/.*texinfo[^0-9]*\([0-9]*\)\..*/\1/') -ge 5 ] \
6120 && enable makeinfo_html || disable makeinfo_html
6121 disabled makeinfo_html && texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
6122 perl -v > /dev/null 2>&1 && enable perl || disable perl
6123 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
6124 rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout
6126 # check V4L2 codecs available in the API
6127 check_header linux/fb.h
6128 check_header linux/videodev2.h
6129 check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_sanitized struct_v4l2_frmivalenum_discrete
6130 check_code cc linux/videodev2.h "int i = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_VIDEO_M2M | V4L2_BUF_FLAG_LAST;" || disable v4l2_m2m
6131 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_VC1_ANNEX_G;" && enable vc1_v4l2_m2m
6132 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG1;" && enable mpeg1_v4l2_m2m
6133 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG2;" && enable mpeg2_v4l2_m2m
6134 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG4;" && enable mpeg4_v4l2_m2m
6135 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_HEVC;" && enable hevc_v4l2_m2m
6136 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_H263;" && enable h263_v4l2_m2m
6137 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_H264;" && enable h264_v4l2_m2m
6138 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_VP8;" && enable vp8_v4l2_m2m
6139 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_VP9;" && enable vp9_v4l2_m2m
6141 check_header sys/videoio.h
6142 check_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_sanitized struct_v4l2_frmivalenum_discrete
6144 check_lib user32 "windows.h winuser.h" GetShellWindow -luser32
6145 check_lib vfw32 "windows.h vfw.h" capCreateCaptureWindow -lvfw32
6146 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
6147 # w32api 3.12 had it defined wrong
6148 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
6150 check_type "dshow.h" IBaseFilter
6152 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
6153 check_header "dev/bktr/ioctl_meteor.h dev/bktr/ioctl_bt848.h" ||
6154 check_header "machine/ioctl_meteor.h machine/ioctl_bt848.h" ||
6155 check_header "dev/video/meteor/ioctl_meteor.h dev/video/bktr/ioctl_bt848.h" ||
6156 check_header "dev/ic/bt8xx.h"
6158 if check_struct sys/soundcard.h audio_buf_info bytes; then
6159 enable_sanitized sys/soundcard.h
6161 check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_sanitized sys/soundcard.h
6162 #include <sys/soundcard.h>
6167 enabled alsa && check_pkg_config alsa alsa "alsa/asoundlib.h" snd_pcm_htimestamp ||
6168 check_lib alsa alsa/asoundlib.h snd_pcm_htimestamp -lasound
6171 require_pkg_config libjack jack jack/jack.h jack_port_get_latency_range
6173 enabled sndio && check_lib sndio sndio.h sio_open -lsndio
6175 if enabled libcdio; then
6176 check_pkg_config libcdio libcdio_paranoia "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open ||
6177 check_pkg_config libcdio libcdio_paranoia "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open ||
6178 check_lib libcdio "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
6179 check_lib libcdio "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
6180 die "ERROR: No usable libcdio/cdparanoia found"
6183 enabled libxcb && check_pkg_config libxcb "xcb >= 1.4" xcb/xcb.h xcb_connect ||
6184 disable libxcb_shm libxcb_shape libxcb_xfixes
6186 if enabled libxcb; then
6187 enabled libxcb_shm && check_pkg_config libxcb_shm xcb-shm xcb/shm.h xcb_shm_attach
6188 enabled libxcb_shape && check_pkg_config libxcb_shape xcb-shape xcb/shape.h xcb_shape_get_rectangles
6189 enabled libxcb_xfixes && check_pkg_config libxcb_xfixes xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image
6192 check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs"
6194 # d3d11va requires linking directly to dxgi and d3d11 if not building for
6195 # the desktop api partition
6196 check_cpp <<EOF && enable uwp && d3d11va_extralibs="-ldxgi -ld3d11"
6197 #ifdef WINAPI_FAMILY
6198 #include <winapifamily.h>
6199 #if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
6200 #error desktop, not uwp
6202 // WINAPI_FAMILY_APP, WINAPI_FAMILY_PHONE_APP => UWP
6205 #error no family set
6210 check_lib vaapi va/va.h vaInitialize -lva
6213 check_code cc "va/va.h" "vaCreateSurfaces(0, 0, 0, 0, 0, 0, 0, 0)" ||
6217 check_lib vaapi_drm "va/va.h va/va_drm.h" vaGetDisplayDRM -lva -lva-drm
6220 check_lib vaapi_x11 "va/va.h va/va_x11.h" vaGetDisplay -lva -lva-x11 -lX11
6223 check_cpp_condition "va/va.h" "VA_CHECK_VERSION(1, 0, 0)" &&
6226 if enabled_all opencl vaapi ; then
6227 check_type "CL/cl_intel.h" "clCreateImageFromFdINTEL_fn" &&
6228 enable opencl_vaapi_beignet
6229 if enabled libmfx ; then
6230 check_type "CL/cl.h CL/va_ext.h" "clCreateFromVA_APIMediaSurfaceINTEL_fn" &&
6231 enable opencl_vaapi_intel_media
6235 if enabled_all opencl dxva2 ; then
6236 check_type "CL/cl_dx9_media_sharing.h" cl_dx9_surface_info_khr &&
6240 if enabled_all opencl d3d11va ; then
6241 check_type "CL/cl_d3d11.h" clGetDeviceIDsFromD3D11KHR_fn &&
6245 if enabled_all opencl libdrm ; then
6246 check_func_headers "CL/cl_ext.h" clImportMemoryARM &&
6247 enable opencl_drm_arm
6251 check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
6255 check_lib vdpau_x11 "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau -lX11
6257 enabled crystalhd && check_lib crystalhd "stdint.h libcrystalhd/libcrystalhd_if.h" DtsCrystalHDVersion -lcrystalhd
6259 if enabled x86; then
6261 mingw32*|mingw64*|win32|win64|linux|cygwin*)
6264 disable ffnvcodec cuvid nvdec nvenc
6268 disable ffnvcodec cuvid nvdec nvenc
6271 enabled ffnvcodec && enable cuda
6274 check_cc -I$source_path <<EOF || disable nvenc
6275 #include <ffnvcodec/nvEncodeAPI.h>
6276 NV_ENCODE_API_FUNCTION_LIST flist;
6277 void f(void) { struct { const GUID guid; } s[] = { { NV_ENC_PRESET_HQ_GUID } }; }
6278 int main(void) { return 0; }
6282 check_cpp_condition "AMF/core/Version.h" \
6283 "(AMF_VERSION_MAJOR << 48 | AMF_VERSION_MINOR << 32 | AMF_VERSION_RELEASE << 16 | AMF_VERSION_BUILD_NUM) >= 0x0001000400040001" ||
6286 # Funny iconv installations are not unusual, so check it after all flags have been set
6287 if enabled libc_iconv; then
6288 check_func_headers iconv.h iconv
6289 elif enabled iconv; then
6290 check_func_headers iconv.h iconv || check_lib iconv iconv.h iconv -liconv
6293 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
6295 # add some useful compiler flags if supported
6296 check_cflags -Wdeclaration-after-statement
6298 check_cflags -Wdisabled-optimization
6299 check_cflags -Wpointer-arith
6300 check_cflags -Wredundant-decls
6301 check_cflags -Wwrite-strings
6302 check_cflags -Wtype-limits
6303 check_cflags -Wundef
6304 check_cflags -Wmissing-prototypes
6305 check_cflags -Wno-pointer-to-int-cast
6306 check_cflags -Wstrict-prototypes
6307 check_cflags -Wempty-body
6309 if enabled extra_warnings; then
6310 check_cflags -Wcast-qual
6311 check_cflags -Wextra
6312 check_cflags -Wpedantic
6315 check_disable_warning(){
6316 warning_flag=-W${1#-Wno-}
6317 test_cflags $unknown_warning_flags $warning_flag && add_cflags $1
6320 test_cflags -Werror=unused-command-line-argument &&
6321 append unknown_warning_flags "-Werror=unused-command-line-argument"
6322 test_cflags -Werror=unknown-warning-option &&
6323 append unknown_warning_flags "-Werror=unknown-warning-option"
6325 check_disable_warning -Wno-parentheses
6326 check_disable_warning -Wno-switch
6327 check_disable_warning -Wno-format-zero-length
6328 check_disable_warning -Wno-pointer-sign
6329 check_disable_warning -Wno-unused-const-variable
6330 check_disable_warning -Wno-bool-operation
6332 check_disable_warning_headers(){
6333 warning_flag=-W${1#-Wno-}
6334 test_cflags $warning_flag && add_cflags_headers $1
6337 check_disable_warning_headers -Wno-deprecated-declarations
6338 check_disable_warning_headers -Wno-unused-variable
6340 check_cc <<EOF && enable blocks_extension
6341 void (^block)(void);
6344 # add some linker flags
6345 check_ldflags -Wl,--warn-common
6346 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
6347 enabled rpath && add_ldexeflags -Wl,-rpath,$libdir && add_ldsoflags -Wl,-rpath,$libdir
6348 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
6350 # add some strip flags
6353 enabled neon_clobber_test &&
6354 check_ldflags -Wl,--wrap,avcodec_open2 \
6355 -Wl,--wrap,avcodec_decode_audio4 \
6356 -Wl,--wrap,avcodec_decode_video2 \
6357 -Wl,--wrap,avcodec_decode_subtitle2 \
6358 -Wl,--wrap,avcodec_encode_audio2 \
6359 -Wl,--wrap,avcodec_encode_video2 \
6360 -Wl,--wrap,avcodec_encode_subtitle \
6361 -Wl,--wrap,avcodec_send_packet \
6362 -Wl,--wrap,avcodec_receive_packet \
6363 -Wl,--wrap,avcodec_send_frame \
6364 -Wl,--wrap,avcodec_receive_frame \
6365 -Wl,--wrap,swr_convert \
6366 -Wl,--wrap,avresample_convert ||
6367 disable neon_clobber_test
6369 enabled xmm_clobber_test &&
6370 check_ldflags -Wl,--wrap,avcodec_open2 \
6371 -Wl,--wrap,avcodec_decode_audio4 \
6372 -Wl,--wrap,avcodec_decode_video2 \
6373 -Wl,--wrap,avcodec_decode_subtitle2 \
6374 -Wl,--wrap,avcodec_encode_audio2 \
6375 -Wl,--wrap,avcodec_encode_video2 \
6376 -Wl,--wrap,avcodec_encode_subtitle \
6377 -Wl,--wrap,avcodec_send_packet \
6378 -Wl,--wrap,avcodec_receive_packet \
6379 -Wl,--wrap,avcodec_send_frame \
6380 -Wl,--wrap,avcodec_receive_frame \
6381 -Wl,--wrap,swr_convert \
6382 -Wl,--wrap,avresample_convert \
6383 -Wl,--wrap,sws_scale ||
6384 disable xmm_clobber_test
6386 check_ld "cc" <<EOF && enable proper_dce
6387 extern const int array[512];
6388 static inline int func(void) { return array[0]; }
6389 int main(void) { return 0; }
6392 if enabled proper_dce; then
6393 echo "X { local: *; };" > $TMPV
6394 if test_ldflags -Wl,${version_script},$TMPV; then
6395 append SHFLAGS '-Wl,${version_script},\$(SUBDIR)lib\$(NAME).ver'
6397 check_cc <<EOF && enable symver_asm_label
6398 void ff_foo(void) __asm__ ("av_foo@VERSION");
6399 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
6401 check_cc <<EOF && enable symver_gnu_asm
6402 __asm__(".symver ff_foo,av_foo@VERSION");
6403 void ff_foo(void) {}
6408 if [ -z "$optflags" ]; then
6409 if enabled small; then
6410 optflags=$cflags_size
6411 elif enabled optimizations; then
6412 optflags=$cflags_speed
6414 optflags=$cflags_noopt
6418 if [ -z "$nvccflags" ]; then
6419 nvccflags=$nvccflags_default
6422 if enabled x86_64 || enabled ppc64 || enabled aarch64; then
6423 nvccflags="$nvccflags -m64"
6425 nvccflags="$nvccflags -m32"
6430 enabled lto && check_ldflags "$@"
6433 check_optflags $optflags
6434 check_optflags -fno-math-errno
6435 check_optflags -fno-signed-zeros
6437 if enabled lto; then
6438 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
6440 check_ldflags -flto $cpuflags
6441 disable inline_asm_direct_symbol_refs
6444 enabled ftrapv && check_cflags -ftrapv
6446 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
6451 if enabled icc; then
6452 # Just warnings, no remarks
6454 # -wd: Disable following warnings
6455 # 144, 167, 556: -Wno-pointer-sign
6456 # 188: enumerated type mixed with another type
6457 # 1292: attribute "foo" ignored
6458 # 1419: external declaration in primary source file
6459 # 10006: ignoring unknown option -fno-signed-zeros
6460 # 10148: ignoring unknown option -Wno-parentheses
6461 # 10156: ignoring option '-W'; no argument required
6462 # 13200: No EMMS instruction before call to function
6463 # 13203: No EMMS instruction before return from function
6464 check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156,13200,13203
6465 # 11030: Warning unknown option --as-needed
6466 # 10156: ignoring option '-export'; no argument required
6467 check_ldflags -wd10156,11030
6468 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
6469 enable ebp_available
6470 # The test above does not test linking
6471 enabled lto && disable symver_asm_label
6472 if enabled x86_32; then
6473 icc_version=$($cc -dumpversion)
6474 test ${icc_version%%.*} -ge 11 &&
6475 check_cflags -falign-stack=maintain-16-byte ||
6476 disable aligned_stack
6478 elif enabled gcc; then
6479 check_optflags -fno-tree-vectorize
6480 check_cflags -Werror=format-security
6481 check_cflags -Werror=implicit-function-declaration
6482 check_cflags -Werror=missing-prototypes
6483 check_cflags -Werror=return-type
6484 check_cflags -Werror=vla
6485 check_cflags -Wformat
6486 check_cflags -fdiagnostics-color=auto
6487 enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized
6488 elif enabled llvm_gcc; then
6489 check_cflags -mllvm -stack-alignment=16
6490 elif enabled clang; then
6491 check_cflags -mllvm -stack-alignment=16
6492 check_cflags -mstack-alignment=16
6493 check_cflags -Qunused-arguments
6494 check_cflags -Werror=implicit-function-declaration
6495 check_cflags -Werror=missing-prototypes
6496 check_cflags -Werror=return-type
6497 elif enabled cparser; then
6498 add_cflags -Wno-missing-variable-declarations
6499 add_cflags -Wno-empty-statement
6500 elif enabled armcc; then
6501 add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat
6502 add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir
6503 # 2523: use of inline assembly is deprecated
6504 add_cflags -W${armcc_opt},--diag_suppress=2523
6505 add_cflags -W${armcc_opt},--diag_suppress=1207
6506 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
6507 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
6508 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
6509 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
6510 elif enabled pathscale; then
6511 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
6513 elif enabled_any msvc icl; then
6514 enabled x86_32 && disable aligned_stack
6515 enabled_all x86_32 debug && add_cflags -Oy-
6516 enabled debug && add_ldflags -debug
6517 enable pragma_deprecated
6518 if enabled icl; then
6519 # -Qansi-alias is basically -fstrict-aliasing, but does not work
6520 # (correctly) on icl 13.x.
6521 check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&
6522 add_cflags -Qansi-alias
6523 # Some inline asm is not compilable in debug
6524 if enabled debug; then
6525 disable ebp_available
6526 disable ebx_available
6529 # msvcrt10 x64 incorrectly enables log2, only msvcrt12 (MSVC 2013) onwards actually has log2.
6530 check_cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION >= 12" || disable log2
6531 # The CRT headers contain __declspec(restrict) in a few places, but if redefining
6532 # restrict, this might break. MSVC 2010 and 2012 fail with __declspec(__restrict)
6533 # (as it ends up if the restrict redefine is done before including stdlib.h), while
6534 # MSVC 2013 and newer can handle it fine.
6535 # If this declspec fails, force including stdlib.h before the restrict redefinition
6536 # happens in config.h.
6537 if [ $restrict_keyword != restrict ]; then
6538 check_cc <<EOF || add_cflags -FIstdlib.h
6539 __declspec($restrict_keyword) void *foo(int);
6542 # the new SSA optimzer in VS2015 U3 is mis-optimizing some parts of the code
6543 # Issue has been fixed in MSVC v19.00.24218.
6544 check_cpp_condition windows.h "_MSC_FULL_VER >= 190024218" ||
6545 check_cflags -d2SSAOptimizer-
6546 # enable utf-8 source processing on VS2015 U2 and newer
6547 check_cpp_condition windows.h "_MSC_FULL_VER >= 190023918" &&
6551 for pfx in "" host_; do
6552 varname=${pfx%_}cc_type
6553 eval "type=\$$varname"
6554 if [ "$type" = "msvc" ]; then
6555 check_${pfx}cc <<EOF || add_${pfx}cflags -Dinline=__inline
6556 static inline int foo(int a) { return a; }
6563 add_asflags -Qunused-arguments
6569 check_ldflags -Qunused-arguments
6573 enable frame_thread_encoder
6575 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
6577 check_deps $CONFIG_LIST \
6582 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"
6583 enabled avresample && warn "Building with deprecated library libavresample"
6585 if test $target_os = "haiku"; then
6587 disable posix_memalign
6590 flatten_extralibs(){
6591 unset nested_entries
6594 for entry in $list; do
6597 append nested_entries $(filter '*_extralibs' $entry_copy)
6598 flat_entries=$(filter_out '*_extralibs' $entry_copy)
6599 eval $entry="\$flat_entries"
6601 append $list_name "$nested_entries"
6603 resolve nested_entries
6604 if test -n "$(filter '*_extralibs' $nested_entries)"; then
6605 flatten_extralibs $list_name
6609 flatten_extralibs_wrapper(){
6611 flatten_extralibs $list_name
6614 eval $list_name=\$\(\$ldflags_filter \$$list_name\)
6615 eval printf \''%s'\' \""\$$list_name"\"
6618 for linkunit in $LIBRARY_LIST; do
6619 unset current_extralibs
6620 eval components=\$$(toupper ${linkunit})_COMPONENTS_LIST
6621 for comp in ${components}; do
6622 enabled $comp || continue
6623 comp_extralibs="${comp}_extralibs"
6624 append current_extralibs $comp_extralibs
6626 eval prepend ${linkunit}_extralibs $current_extralibs
6629 for linkunit in $LIBRARY_LIST $PROGRAM_LIST $EXTRALIBS_LIST; do
6630 eval ${linkunit}_extralibs=\$\(flatten_extralibs_wrapper ${linkunit}_extralibs\)
6633 map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST
6635 for thread in $THREADS_LIST; do
6636 if enabled $thread; then
6637 test -n "$thread_type" &&
6638 die "ERROR: Only one thread type must be selected." ||
6639 thread_type="$thread"
6643 if disabled stdatomic; then
6644 if enabled atomics_gcc; then
6645 add_cppflags '-I\$(SRC_PATH)/compat/atomics/gcc'
6646 elif enabled atomics_win32; then
6647 add_cppflags '-I\$(SRC_PATH)/compat/atomics/win32'
6648 elif enabled atomics_suncc; then
6649 add_cppflags '-I\$(SRC_PATH)/compat/atomics/suncc'
6650 elif enabled pthreads; then
6651 add_compat atomics/pthread/stdatomic.o
6652 add_cppflags '-I\$(SRC_PATH)/compat/atomics/pthread'
6654 enabled threads && die "Threading is enabled, but no atomics are available"
6655 add_cppflags '-I\$(SRC_PATH)/compat/atomics/dummy'
6659 # Check if requested libraries were found.
6660 for lib in $AUTODETECT_LIBS; do
6661 requested $lib && ! enabled $lib && die "ERROR: $lib requested but not found";
6664 enabled zlib && add_cppflags -DZLIB_CONST
6666 # conditional library dependencies, in linking order
6667 enabled afftfilt_filter && prepend avfilter_deps "avcodec"
6668 enabled afir_filter && prepend avfilter_deps "avcodec"
6669 enabled amovie_filter && prepend avfilter_deps "avformat avcodec"
6670 enabled aresample_filter && prepend avfilter_deps "swresample"
6671 enabled atempo_filter && prepend avfilter_deps "avcodec"
6672 enabled cover_rect_filter && prepend avfilter_deps "avformat avcodec"
6673 enabled convolve_filter && prepend avfilter_deps "avcodec"
6674 enabled deconvolve_filter && prepend avfilter_deps "avcodec"
6675 enabled ebur128_filter && enabled swresample && prepend avfilter_deps "swresample"
6676 enabled elbg_filter && prepend avfilter_deps "avcodec"
6677 enabled fftfilt_filter && prepend avfilter_deps "avcodec"
6678 enabled find_rect_filter && prepend avfilter_deps "avformat avcodec"
6679 enabled firequalizer_filter && prepend avfilter_deps "avcodec"
6680 enabled mcdeint_filter && prepend avfilter_deps "avcodec"
6681 enabled movie_filter && prepend avfilter_deps "avformat avcodec"
6682 enabled pan_filter && prepend avfilter_deps "swresample"
6683 enabled pp_filter && prepend avfilter_deps "postproc"
6684 enabled removelogo_filter && prepend avfilter_deps "avformat avcodec swscale"
6685 enabled resample_filter && prepend avfilter_deps "avresample"
6686 enabled sab_filter && prepend avfilter_deps "swscale"
6687 enabled scale_filter && prepend avfilter_deps "swscale"
6688 enabled scale2ref_filter && prepend avfilter_deps "swscale"
6689 enabled sofalizer_filter && prepend avfilter_deps "avcodec"
6690 enabled showcqt_filter && prepend avfilter_deps "avformat avcodec swscale"
6691 enabled showfreqs_filter && prepend avfilter_deps "avcodec"
6692 enabled showspectrum_filter && prepend avfilter_deps "avcodec"
6693 enabled signature_filter && prepend avfilter_deps "avcodec avformat"
6694 enabled smartblur_filter && prepend avfilter_deps "swscale"
6695 enabled spectrumsynth_filter && prepend avfilter_deps "avcodec"
6696 enabled spp_filter && prepend avfilter_deps "avcodec"
6697 enabled subtitles_filter && prepend avfilter_deps "avformat avcodec"
6698 enabled uspp_filter && prepend avfilter_deps "avcodec"
6699 enabled zoompan_filter && prepend avfilter_deps "swscale"
6701 enabled lavfi_indev && prepend avdevice_deps "avfilter"
6704 enabled sdl2_outdev && add_cflags $(filter_out '-Dmain=SDL_main' $sdl2_cflags)
6706 enabled opus_decoder && prepend avcodec_deps "swresample"
6710 eval "deps=\$$lib_deps"
6711 append $lib_deps $(map 'eval echo \$${v}_deps' $deps)
6715 #we have to remove gpl from the deps here as some code assumes all lib deps are libs
6716 postproc_deps="$(filter_out 'gpl' $postproc_deps)"
6718 map 'expand_deps $v' $LIBRARY_LIST
6720 if test "$quiet" != "yes"; then
6722 echo "install prefix $prefix"
6723 echo "source path $source_path"
6724 echo "C compiler $cc"
6725 echo "C library $libc_type"
6726 if test "$host_cc" != "$cc"; then
6727 echo "host C compiler $host_cc"
6728 echo "host C library $host_libc_type"
6730 echo "ARCH $arch ($cpu)"
6731 if test "$build_suffix" != ""; then
6732 echo "build suffix $build_suffix"
6734 if test "$progs_suffix" != ""; then
6735 echo "progs suffix $progs_suffix"
6737 if test "$extra_version" != ""; then
6738 echo "version string suffix $extra_version"
6740 echo "big-endian ${bigendian-no}"
6741 echo "runtime cpu detection ${runtime_cpudetect-no}"
6742 if enabled x86; then
6743 echo "standalone assembly ${x86asm-no}"
6744 echo "x86 assembler ${x86asmexe}"
6745 echo "MMX enabled ${mmx-no}"
6746 echo "MMXEXT enabled ${mmxext-no}"
6747 echo "3DNow! enabled ${amd3dnow-no}"
6748 echo "3DNow! extended enabled ${amd3dnowext-no}"
6749 echo "SSE enabled ${sse-no}"
6750 echo "SSSE3 enabled ${ssse3-no}"
6751 echo "AESNI enabled ${aesni-no}"
6752 echo "AVX enabled ${avx-no}"
6753 echo "AVX2 enabled ${avx2-no}"
6754 echo "AVX-512 enabled ${avx512-no}"
6755 echo "XOP enabled ${xop-no}"
6756 echo "FMA3 enabled ${fma3-no}"
6757 echo "FMA4 enabled ${fma4-no}"
6758 echo "i686 features enabled ${i686-no}"
6759 echo "CMOV is fast ${fast_cmov-no}"
6760 echo "EBX available ${ebx_available-no}"
6761 echo "EBP available ${ebp_available-no}"
6763 if enabled aarch64; then
6764 echo "NEON enabled ${neon-no}"
6765 echo "VFP enabled ${vfp-no}"
6767 if enabled arm; then
6768 echo "ARMv5TE enabled ${armv5te-no}"
6769 echo "ARMv6 enabled ${armv6-no}"
6770 echo "ARMv6T2 enabled ${armv6t2-no}"
6771 echo "VFP enabled ${vfp-no}"
6772 echo "NEON enabled ${neon-no}"
6773 echo "THUMB enabled ${thumb-no}"
6775 if enabled mips; then
6776 echo "MIPS FPU enabled ${mipsfpu-no}"
6777 echo "MIPS DSP R1 enabled ${mipsdsp-no}"
6778 echo "MIPS DSP R2 enabled ${mipsdspr2-no}"
6779 echo "MIPS MSA enabled ${msa-no}"
6780 echo "LOONGSON MMI enabled ${mmi-no}"
6782 if enabled ppc; then
6783 echo "AltiVec enabled ${altivec-no}"
6784 echo "VSX enabled ${vsx-no}"
6785 echo "POWER8 enabled ${power8-no}"
6786 echo "PPC 4xx optimizations ${ppc4xx-no}"
6787 echo "dcbzl available ${dcbzl-no}"
6789 echo "debug symbols ${debug-no}"
6790 echo "strip symbols ${stripping-no}"
6791 echo "optimize for size ${small-no}"
6792 echo "optimizations ${optimizations-no}"
6793 echo "static ${static-no}"
6794 echo "shared ${shared-no}"
6795 echo "postprocessing support ${postproc-no}"
6796 echo "network support ${network-no}"
6797 echo "threading support ${thread_type-no}"
6798 echo "safe bitstream reader ${safe_bitstream_reader-no}"
6799 echo "texi2html enabled ${texi2html-no}"
6800 echo "perl enabled ${perl-no}"
6801 echo "pod2man enabled ${pod2man-no}"
6802 echo "makeinfo enabled ${makeinfo-no}"
6803 echo "makeinfo supports HTML ${makeinfo_html-no}"
6804 test -n "$random_seed" &&
6805 echo "random seed ${random_seed}"
6808 echo "External libraries:"
6809 print_enabled '' $EXTERNAL_LIBRARY_LIST $EXTERNAL_AUTODETECT_LIBRARY_LIST | print_in_columns
6812 echo "External libraries providing hardware acceleration:"
6813 print_enabled '' $HWACCEL_LIBRARY_LIST $HWACCEL_AUTODETECT_LIBRARY_LIST | print_in_columns
6817 print_enabled '' $LIBRARY_LIST | print_in_columns
6821 print_enabled '' $PROGRAM_LIST | print_in_columns
6824 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
6825 echo "Enabled ${type}s:"
6826 eval list=\$$(toupper $type)_LIST
6827 print_enabled '_*' $list | print_in_columns
6831 if test -n "$ignore_tests"; then
6832 ignore_tests=$(echo $ignore_tests | tr ',' ' ')
6833 echo "Ignored FATE tests:"
6834 echo $ignore_tests | print_in_columns
6838 echo "License: $license"
6840 fi # test "$quiet" != "yes"
6842 if test -n "$WARNINGS"; then
6843 printf "\n%s%s$WARNINGS%s" "$warn_color" "$bold_color" "$reset_color"
6844 enabled fatal_warnings && exit 1
6847 test -e Makefile || echo "include $source_path/Makefile" > Makefile
6850 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
6853 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" > ffbuild/config.fate
6855 enabled stripping || strip="echo skipping strip"
6856 enabled stripping || striptype=""
6858 config_files="$TMPH ffbuild/config.mak doc/config.texi"
6860 cat > ffbuild/config.mak <<EOF
6861 # Automatically generated by configure - do not modify!
6862 ifndef FFMPEG_CONFIG_MAK
6864 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
6866 LIBDIR=\$(DESTDIR)$libdir
6867 SHLIBDIR=\$(DESTDIR)$shlibdir
6868 INCDIR=\$(DESTDIR)$incdir
6869 BINDIR=\$(DESTDIR)$bindir
6870 DATADIR=\$(DESTDIR)$datadir
6871 DOCDIR=\$(DESTDIR)$docdir
6872 MANDIR=\$(DESTDIR)$mandir
6873 PKGCONFIGDIR=\$(DESTDIR)$pkgconfigdir
6874 INSTALL_NAME_DIR=$install_name_dir
6875 SRC_PATH=$source_path
6876 SRC_LINK=$source_link
6877 ifndef MAIN_MAKEFILE
6878 SRC_PATH:=\$(SRC_PATH:.%=..%)
6882 INTRINSICS=$intrinsics
6883 EXTERN_PREFIX=$extern_prefix
6890 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
6892 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
6894 DEPX86ASM=$x86asmexe
6895 DEPX86ASMFLAGS=\$(X86ASMFLAGS)
6903 STRIPTYPE=$striptype
6910 OBJCFLAGS=$OBJCFLAGS
6912 NVCCFLAGS=$nvccflags
6934 LDEXEFLAGS=$LDEXEFLAGS
6935 LDSOFLAGS=$LDSOFLAGS
6936 SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
6937 ASMSTRIPFLAGS=$ASMSTRIPFLAGS
6938 X86ASMFLAGS=$X86ASMFLAGS
6939 BUILDSUF=$build_suffix
6940 PROGSSUF=$progs_suffix
6948 EXTRA_VERSION=$extra_version
6951 CCDEP_FLAGS=$CCDEP_FLAGS
6953 ASDEP_FLAGS=$ASDEP_FLAGS
6954 X86ASMDEP=$X86ASMDEP
6955 X86ASMDEP_FLAGS=$X86ASMDEP_FLAGS
6956 CC_DEPFLAGS=$CC_DEPFLAGS
6957 AS_DEPFLAGS=$AS_DEPFLAGS
6958 X86ASM_DEPFLAGS=$X86ASM_DEPFLAGS
6961 HOSTCFLAGS=$host_cflags
6962 HOSTCPPFLAGS=$host_cppflags
6963 HOSTEXESUF=$HOSTEXESUF
6964 HOSTLDFLAGS=$host_ldflags
6965 HOSTEXTRALIBS=$host_extralibs
6967 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
6968 HOSTCCDEP=$HOSTCCDEP
6969 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
6970 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
6974 TARGET_EXEC=$target_exec $target_exec_args
6975 TARGET_PATH=$target_path
6976 TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}
6977 CFLAGS-ffplay=${sdl2_cflags}
6978 CFLAGS_HEADERS=$CFLAGS_HEADERS
6979 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
6980 EXTRALIBS=$extralibs
6981 COMPAT_OBJS=$compat_objs
6983 LIBTARGET=${LIBTARGET}
6984 SLIBNAME=${SLIBNAME}
6985 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
6986 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
6987 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
6988 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
6989 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
6990 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
6991 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
6992 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
6993 VERSION_SCRIPT_POSTPROCESS_CMD=${VERSION_SCRIPT_POSTPROCESS_CMD}
6994 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
6995 NOREDZONE_FLAGS=$noredzone_flags
6996 LIBFUZZER_PATH=$libfuzzer_path
6997 IGNORE_TESTS=$ignore_tests
7000 map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> ffbuild/config.mak' $LIBRARY_LIST
7002 for entry in $LIBRARY_LIST $PROGRAM_LIST $EXTRALIBS_LIST; do
7003 eval echo "EXTRALIBS-${entry}=\$${entry}_extralibs" >> ffbuild/config.mak
7007 /* Automatically generated by configure - do not modify! */
7008 #ifndef FFMPEG_CONFIG_H
7009 #define FFMPEG_CONFIG_H
7010 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
7011 #define FFMPEG_LICENSE "$(c_escape $license)"
7012 #define CONFIG_THIS_YEAR 2018
7013 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
7014 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
7015 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
7016 #define av_restrict $restrict_keyword
7017 #define EXTERN_PREFIX "${extern_prefix}"
7018 #define EXTERN_ASM ${extern_prefix}
7019 #define BUILDSUF "$build_suffix"
7020 #define SLIBSUF "$SLIBSUF"
7021 #define HAVE_MMX2 HAVE_MMXEXT
7022 #define SWS_MAX_FILTER_SIZE $sws_max_filter_size
7025 test -n "$assert_level" &&
7026 echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
7028 test -n "$malloc_prefix" &&
7029 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
7031 if enabled x86asm; then
7032 append config_files $TMPASM
7034 ; Automatically generated by configure - do not modify!
7038 enabled getenv || echo "#define getenv(x) NULL" >> $TMPH
7044 echo "@c auto-generated by configure - do not modify! " > doc/config.texi
7046 print_config ARCH_ "$config_files" $ARCH_LIST
7047 print_config HAVE_ "$config_files" $HAVE_LIST
7048 print_config CONFIG_ "$config_files" $CONFIG_LIST \
7052 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
7053 echo "endif # FFMPEG_CONFIG_MAK" >> ffbuild/config.mak
7055 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
7056 cp_if_changed $TMPH config.h
7057 touch ffbuild/.config
7059 enabled x86asm && cp_if_changed $TMPASM config.asm
7062 /* Generated by ffmpeg configure */
7063 #ifndef AVUTIL_AVCONFIG_H
7064 #define AVUTIL_AVCONFIG_H
7067 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
7069 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
7071 cp_if_changed $TMPH libavutil/avconfig.h
7073 # generate the lists of enabled components
7074 print_enabled_components(){
7079 echo "static const $struct_name * const $name[] = {" > $TMPH
7084 c=$(add_suffix _demuxer $(remove_suffix _indev $c))
7087 c=$(add_suffix _muxer $(remove_suffix _outdev $c))
7090 printf " &ff_%s,\n" $c >> $TMPH
7093 echo " NULL };" >> $TMPH
7094 cp_if_changed $TMPH $file
7097 print_enabled_components libavcodec/codec_list.c AVCodec codec_list $CODEC_LIST
7098 print_enabled_components libavcodec/parser_list.c AVCodecParser parser_list $PARSER_LIST
7099 print_enabled_components libavcodec/bsf_list.c AVBitStreamFilter bitstream_filters $BSF_LIST
7100 print_enabled_components libavdevice/indev_list.c AVInputFormat indev_list $INDEV_LIST
7101 print_enabled_components libavdevice/outdev_list.c AVOutputFormat outdev_list $OUTDEV_LIST
7102 print_enabled_components libavformat/demuxer_list.c AVInputFormat demuxer_list $DEMUXER_LIST
7103 print_enabled_components libavformat/muxer_list.c AVOutputFormat muxer_list $MUXER_LIST
7104 print_enabled_components libavformat/protocol_list.c URLProtocol url_protocols $PROTOCOL_LIST
7106 # Settings for pkg-config files
7109 # Automatically generated by configure - do not modify!
7111 build_suffix=$build_suffix
7115 rpath=$(enabled rpath && echo "-Wl,-rpath,\${libdir}")
7116 source_path=${source_path}
7119 extralibs_avutil="$avutil_extralibs"
7120 extralibs_avcodec="$avcodec_extralibs"
7121 extralibs_avformat="$avformat_extralibs"
7122 extralibs_avdevice="$avdevice_extralibs"
7123 extralibs_avfilter="$avfilter_extralibs"
7124 extralibs_avresample="$avresample_extralibs"
7125 extralibs_postproc="$postproc_extralibs"
7126 extralibs_swscale="$swscale_extralibs"
7127 extralibs_swresample="$swresample_extralibs"
7130 for lib in $LIBRARY_LIST; do
7131 lib_deps="$(eval echo \$${lib}_deps)"
7132 echo ${lib}_deps=\"$lib_deps\" >> $TMPH
7135 cp_if_changed $TMPH ffbuild/config.sh