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"
1390 check_lib $name "$@" || die "ERROR: $name_version not found"
1398 check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1402 log require_header "$@"
1404 check_header "$@" || die "ERROR: $headers not found"
1407 require_cpp_condition(){
1408 log require_cpp_condition "$@"
1410 check_cpp_condition "$@" || die "ERROR: $condition not satisfied"
1413 require_pkg_config(){
1414 log require_pkg_config "$@"
1416 check_pkg_config "$@" || die "ERROR: $pkg_version not found using pkg-config$pkg_config_fail_message"
1420 eval printf '%s\\n' $HOSTCC_E
1424 eval printf '%s\\n' $HOSTCC_O
1428 log check_host_cc "$@"
1431 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1435 log check_host_cpp "$@"
1438 check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1441 check_host_cppflags(){
1442 log check_host_cppflags "$@"
1443 check_host_cpp "$@" <<EOF && append host_cppflags "$@"
1448 check_host_cflags(){
1449 log check_host_cflags "$@"
1450 set -- $($host_cflags_filter "$@")
1451 check_host_cc "$@" <<EOF && append host_cflags "$@"
1456 check_host_cpp_condition(){
1457 log check_host_cpp_condition "$@"
1461 check_host_cpp "$@" <<EOF
1464 #error "unsatisfied condition: $condition"
1470 cmp -s "$1" "$2" && { test "$quiet" != "yes" && echo "$2 is unchanged"; } && return
1471 mkdir -p "$(dirname $2)"
1475 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1476 # system-dependent things.
1478 AVCODEC_COMPONENTS="
1486 AVDEVICE_COMPONENTS="
1491 AVFILTER_COMPONENTS="
1495 AVFORMAT_COMPONENTS="
1503 $AVDEVICE_COMPONENTS
1504 $AVFILTER_COMPONENTS
1505 $AVFORMAT_COMPONENTS
1509 avio_dir_cmd_example
1510 avio_reading_example
1511 decode_audio_example
1512 decode_video_example
1513 demuxing_decoding_example
1514 encode_audio_example
1515 encode_video_example
1517 filter_audio_example
1518 filtering_audio_example
1519 filtering_video_example
1520 http_multiclient_example
1526 resampling_audio_example
1527 scaling_video_example
1528 transcode_aac_example
1530 vaapi_encode_example
1531 vaapi_transcode_example
1534 EXTERNAL_AUTODETECT_LIBRARY_LIST="
1554 EXTERNAL_LIBRARY_GPL_LIST="
1566 EXTERNAL_LIBRARY_NONFREE_LIST="
1574 EXTERNAL_LIBRARY_VERSION3_LIST="
1583 EXTERNAL_LIBRARY_GPLV3_LIST="
1587 EXTERNAL_LIBRARY_LIST="
1588 $EXTERNAL_LIBRARY_GPL_LIST
1589 $EXTERNAL_LIBRARY_NONFREE_LIST
1590 $EXTERNAL_LIBRARY_VERSION3_LIST
1591 $EXTERNAL_LIBRARY_GPLV3_LIST
1650 HWACCEL_AUTODETECT_LIBRARY_LIST="
1668 # catchall list of things that require external libs to link
1674 HWACCEL_LIBRARY_NONFREE_LIST="
1679 HWACCEL_LIBRARY_LIST="
1680 $HWACCEL_LIBRARY_NONFREE_LIST
1701 safe_bitstream_reader
1747 # COMPONENT_LIST needs to come last to ensure correct dependency checking
1751 $EXTERNAL_LIBRARY_LIST
1752 $EXTERNAL_AUTODETECT_LIBRARY_LIST
1753 $HWACCEL_LIBRARY_LIST
1754 $HWACCEL_AUTODETECT_LIBRARY_LIST
1786 $EXTERNAL_AUTODETECT_LIBRARY_LIST
1787 $HWACCEL_AUTODETECT_LIBRARY_LIST
1829 ARCH_EXT_LIST_MIPS="
1841 ARCH_EXT_LIST_LOONGSON="
1847 ARCH_EXT_LIST_X86_SIMD="
1877 $ARCH_EXT_LIST_X86_SIMD
1887 $ARCH_EXT_LIST_LOONGSON
1908 sync_val_compare_and_swap
1925 cdio_paranoia_paranoia_h
1928 dev_bktr_ioctl_bt848_h
1929 dev_bktr_ioctl_meteor_h
1931 dev_video_bktr_ioctl_bt848_h
1932 dev_video_meteor_ioctl_meteor_h
1940 machine_ioctl_bt848_h
1941 machine_ioctl_meteor_h
1943 opencv2_core_core_c_h
2005 MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS
2023 GetProcessAffinityMask
2024 GetProcessMemoryInfo
2027 GetSystemTimeAsFileTime
2050 SetConsoleTextAttribute
2051 SetConsoleCtrlHandler
2059 UTGetOSTypeFromString
2071 TOOLCHAIN_FEATURES="
2083 inline_asm_direct_symbol_refs
2085 inline_asm_nonlocal_labels
2096 kCMVideoCodecType_HEVC
2099 struct_group_source_req
2100 struct_ip_mreq_source
2102 struct_msghdr_msg_flags
2104 struct_rusage_ru_maxrss
2105 struct_sctp_event_subscribe
2107 struct_sockaddr_sa_len
2108 struct_sockaddr_storage
2109 struct_stat_st_mtim_tv_nsec
2110 struct_v4l2_frmivalenum_discrete
2115 $(add_suffix _external $ARCH_EXT_LIST)
2116 $(add_suffix _inline $ARCH_EXT_LIST)
2136 opencl_vaapi_beignet
2137 opencl_vaapi_intel_media
2143 # options emitted with CONFIG_ prefix but not available on the command line
2165 frame_thread_encoder
2321 # code dependency declarations
2323 # architecture extensions
2328 armv8_deps="aarch64"
2329 neon_deps_any="aarch64 arm"
2330 intrinsics_neon_deps="neon"
2331 vfp_deps_any="aarch64 arm"
2335 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
2344 loongson2_deps="mips"
2345 loongson3_deps="mips"
2346 mips32r2_deps="mips"
2347 mips32r5_deps="mips"
2348 mips32r6_deps="mips"
2349 mips64r2_deps="mips"
2350 mips64r6_deps="mips"
2353 mipsdspr2_deps="mips"
2358 x86_64_select="i686"
2359 x86_64_suggest="fast_cmov"
2362 amd3dnowext_deps="amd3dnow"
2380 mmx_external_deps="x86asm"
2381 mmx_inline_deps="inline_asm x86"
2382 mmx_suggest="mmx_external mmx_inline"
2384 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
2385 eval dep=\$${ext}_deps
2386 eval ${ext}_external_deps='"${dep}_external"'
2387 eval ${ext}_inline_deps='"${dep}_inline"'
2388 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
2391 aligned_stack_if_any="aarch64 ppc x86"
2392 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
2393 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
2394 fast_unaligned_if_any="aarch64 ppc x86"
2395 simd_align_16_if_any="altivec neon sse"
2396 simd_align_32_if_any="avx"
2397 simd_align_64_if_any="avx512"
2399 # system capabilities
2400 symver_if_any="symver_asm_label symver_gnu_asm"
2401 valgrind_backtrace_conflict="optimizations"
2402 valgrind_backtrace_deps="valgrind_valgrind_h"
2405 atomics_gcc_if="sync_val_compare_and_swap"
2406 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
2407 atomics_win32_if="MemoryBarrier"
2408 atomics_native_if_any="$ATOMICS_LIST"
2409 w32threads_deps="atomics_native"
2410 threads_if_any="$THREADS_LIST"
2413 cbs_h264_select="cbs golomb"
2414 cbs_h265_select="cbs golomb"
2415 cbs_mpeg2_select="cbs"
2417 dirac_parse_select="golomb"
2418 error_resilience_select="me_cmp"
2420 faandct_select="fdctdsp"
2421 faanidct_deps="faan"
2422 faanidct_select="idctdsp"
2423 h264dsp_select="startcode"
2424 hevcparse_select="golomb"
2425 frame_thread_encoder_deps="encoders threads"
2426 intrax8_select="blockdsp idctdsp"
2429 me_cmp_select="fdctdsp idctdsp pixblockdsp"
2430 mpeg_er_select="error_resilience"
2431 mpegaudio_select="mpegaudiodsp mpegaudioheader"
2432 mpegaudiodsp_select="dct"
2433 mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp mpeg_er videodsp"
2434 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
2435 vc1dsp_select="h264chroma qpeldsp startcode"
2438 # decoders / encoders
2439 aac_decoder_select="adts_header mdct15 mdct sinewin"
2440 aac_fixed_decoder_select="mdct sinewin"
2441 aac_encoder_select="audio_frame_queue iirfilter lpc mdct sinewin"
2442 aac_latm_decoder_select="aac_decoder aac_latm_parser"
2443 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
2444 ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"
2445 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
2446 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
2447 adpcm_g722_decoder_select="g722dsp"
2448 adpcm_g722_encoder_select="g722dsp"
2449 aic_decoder_select="golomb idctdsp"
2450 alac_encoder_select="lpc"
2451 als_decoder_select="bswapdsp"
2452 amrnb_decoder_select="lsp"
2453 amrwb_decoder_select="lsp"
2454 amv_decoder_select="sp5x_decoder exif"
2455 amv_encoder_select="aandcttables jpegtables mpegvideoenc"
2456 ape_decoder_select="bswapdsp llauddsp"
2457 apng_decoder_deps="zlib"
2458 apng_encoder_deps="zlib"
2459 apng_encoder_select="llvidencdsp"
2460 aptx_decoder_select="audio_frame_queue"
2461 aptx_encoder_select="audio_frame_queue"
2462 aptx_hd_decoder_select="audio_frame_queue"
2463 aptx_hd_encoder_select="audio_frame_queue"
2464 asv1_decoder_select="blockdsp bswapdsp idctdsp"
2465 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
2466 asv2_decoder_select="blockdsp bswapdsp idctdsp"
2467 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
2468 atrac1_decoder_select="mdct sinewin"
2469 atrac3_decoder_select="mdct"
2470 atrac3p_decoder_select="mdct sinewin"
2471 avrn_decoder_select="exif jpegtables"
2472 bink_decoder_select="blockdsp hpeldsp"
2473 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
2474 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
2475 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
2476 clearvideo_decoder_select="idctdsp"
2477 cllc_decoder_select="bswapdsp"
2478 comfortnoise_encoder_select="lpc"
2479 cook_decoder_select="audiodsp mdct sinewin"
2480 cscd_decoder_select="lzo"
2481 cscd_decoder_suggest="zlib"
2482 dca_decoder_select="mdct"
2483 dds_decoder_select="texturedsp"
2484 dirac_decoder_select="dirac_parse dwt golomb videodsp mpegvideoenc"
2485 dnxhd_decoder_select="blockdsp idctdsp"
2486 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
2487 dolby_e_decoder_select="mdct"
2488 dvvideo_decoder_select="dvprofile idctdsp"
2489 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
2490 dxa_decoder_deps="zlib"
2491 dxv_decoder_select="lzf texturedsp"
2492 eac3_decoder_select="ac3_decoder"
2493 eac3_encoder_select="ac3_encoder"
2494 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
2495 eatgq_decoder_select="aandcttables"
2496 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp"
2497 exr_decoder_deps="zlib"
2498 ffv1_decoder_select="rangecoder"
2499 ffv1_encoder_select="rangecoder"
2500 ffvhuff_decoder_select="huffyuv_decoder"
2501 ffvhuff_encoder_select="huffyuv_encoder"
2502 fic_decoder_select="golomb"
2503 flac_decoder_select="flacdsp"
2504 flac_encoder_select="bswapdsp flacdsp lpc"
2505 flashsv2_decoder_deps="zlib"
2506 flashsv2_encoder_deps="zlib"
2507 flashsv_decoder_deps="zlib"
2508 flashsv_encoder_deps="zlib"
2509 flv_decoder_select="h263_decoder"
2510 flv_encoder_select="h263_encoder"
2511 fourxm_decoder_select="blockdsp bswapdsp"
2512 fraps_decoder_select="bswapdsp huffman"
2513 g2m_decoder_deps="zlib"
2514 g2m_decoder_select="blockdsp idctdsp jpegtables"
2515 g729_decoder_select="audiodsp"
2516 h261_decoder_select="mpegvideo"
2517 h261_encoder_select="aandcttables mpegvideoenc"
2518 h263_decoder_select="h263_parser h263dsp mpegvideo qpeldsp"
2519 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
2520 h263i_decoder_select="h263_decoder"
2521 h263p_decoder_select="h263_decoder"
2522 h263p_encoder_select="h263_encoder"
2523 h264_decoder_select="cabac golomb h264chroma h264dsp h264parse h264pred h264qpel videodsp"
2524 h264_decoder_suggest="error_resilience"
2525 hap_decoder_select="snappy texturedsp"
2526 hap_encoder_deps="libsnappy"
2527 hap_encoder_select="texturedspenc"
2528 hevc_decoder_select="bswapdsp cabac golomb hevcparse videodsp"
2529 huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"
2530 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llvidencdsp"
2531 iac_decoder_select="imc_decoder"
2532 imc_decoder_select="bswapdsp fft mdct sinewin"
2533 indeo3_decoder_select="hpeldsp"
2534 indeo4_decoder_select="ividsp"
2535 indeo5_decoder_select="ividsp"
2536 interplay_video_decoder_select="hpeldsp"
2537 jpegls_decoder_select="mjpeg_decoder"
2538 jv_decoder_select="blockdsp"
2539 lagarith_decoder_select="llviddsp"
2540 ljpeg_encoder_select="aandcttables idctdsp jpegtables mpegvideoenc"
2541 magicyuv_decoder_select="llviddsp"
2542 magicyuv_encoder_select="llvidencdsp"
2543 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2544 metasound_decoder_select="lsp mdct sinewin"
2545 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2546 mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"
2547 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
2548 mjpegb_decoder_select="mjpeg_decoder"
2549 mlp_decoder_select="mlp_parser"
2550 mlp_encoder_select="lpc"
2551 motionpixels_decoder_select="bswapdsp"
2552 mp1_decoder_select="mpegaudio"
2553 mp1float_decoder_select="mpegaudio"
2554 mp2_decoder_select="mpegaudio"
2555 mp2float_decoder_select="mpegaudio"
2556 mp3_decoder_select="mpegaudio"
2557 mp3adu_decoder_select="mpegaudio"
2558 mp3adufloat_decoder_select="mpegaudio"
2559 mp3float_decoder_select="mpegaudio"
2560 mp3on4_decoder_select="mpegaudio"
2561 mp3on4float_decoder_select="mpegaudio"
2562 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2563 mpc8_decoder_select="mpegaudiodsp"
2564 mpegvideo_decoder_select="mpegvideo"
2565 mpeg1video_decoder_select="mpegvideo"
2566 mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"
2567 mpeg2video_decoder_select="mpegvideo"
2568 mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"
2569 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2570 mpeg4_encoder_select="h263_encoder"
2571 msa1_decoder_select="mss34dsp"
2572 mscc_decoder_deps="zlib"
2573 msmpeg4v1_decoder_select="h263_decoder"
2574 msmpeg4v2_decoder_select="h263_decoder"
2575 msmpeg4v2_encoder_select="h263_encoder"
2576 msmpeg4v3_decoder_select="h263_decoder"
2577 msmpeg4v3_encoder_select="h263_encoder"
2578 mss2_decoder_select="mpegvideo qpeldsp vc1_decoder"
2579 mts2_decoder_select="mss34dsp"
2580 mxpeg_decoder_select="mjpeg_decoder"
2581 nellymoser_decoder_select="mdct sinewin"
2582 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2583 nuv_decoder_select="idctdsp lzo"
2584 on2avc_decoder_select="mdct"
2585 opus_decoder_deps="swresample"
2586 opus_decoder_select="mdct15"
2587 opus_encoder_select="audio_frame_queue mdct15"
2588 png_decoder_deps="zlib"
2589 png_encoder_deps="zlib"
2590 png_encoder_select="llvidencdsp"
2591 prores_decoder_select="blockdsp idctdsp"
2592 prores_encoder_select="fdctdsp"
2593 qcelp_decoder_select="lsp"
2594 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2595 ra_144_decoder_select="audiodsp"
2596 ra_144_encoder_select="audio_frame_queue lpc audiodsp"
2597 ralf_decoder_select="golomb"
2598 rawvideo_decoder_select="bswapdsp"
2599 rscc_decoder_deps="zlib"
2600 rtjpeg_decoder_select="me_cmp"
2601 rv10_decoder_select="h263_decoder"
2602 rv10_encoder_select="h263_encoder"
2603 rv20_decoder_select="h263_decoder"
2604 rv20_encoder_select="h263_encoder"
2605 rv30_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2606 rv40_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2607 screenpresso_decoder_deps="zlib"
2608 shorten_decoder_select="bswapdsp"
2609 sipr_decoder_select="lsp"
2610 snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"
2611 snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"
2612 sonic_decoder_select="golomb rangecoder"
2613 sonic_encoder_select="golomb rangecoder"
2614 sonic_ls_encoder_select="golomb rangecoder"
2615 sp5x_decoder_select="mjpeg_decoder"
2616 srgc_decoder_deps="zlib"
2617 svq1_decoder_select="hpeldsp"
2618 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2619 svq3_decoder_select="golomb h264dsp h264parse h264pred hpeldsp tpeldsp videodsp"
2620 svq3_decoder_suggest="zlib"
2621 tak_decoder_select="audiodsp"
2622 tdsc_decoder_deps="zlib"
2623 tdsc_decoder_select="mjpeg_decoder"
2624 theora_decoder_select="vp3_decoder"
2625 thp_decoder_select="mjpeg_decoder"
2626 tiff_decoder_suggest="zlib lzma"
2627 tiff_encoder_suggest="zlib"
2628 truehd_decoder_select="mlp_parser"
2629 truehd_encoder_select="lpc"
2630 truemotion2_decoder_select="bswapdsp"
2631 truespeech_decoder_select="bswapdsp"
2632 tscc_decoder_deps="zlib"
2633 twinvq_decoder_select="mdct lsp sinewin"
2634 txd_decoder_select="texturedsp"
2635 utvideo_decoder_select="bswapdsp llviddsp"
2636 utvideo_encoder_select="bswapdsp huffman llvidencdsp"
2637 vble_decoder_select="llviddsp"
2638 vc1_decoder_select="blockdsp h263_decoder h264qpel intrax8 mpegvideo vc1dsp"
2639 vc1image_decoder_select="vc1_decoder"
2640 vorbis_decoder_select="mdct"
2641 vorbis_encoder_select="audio_frame_queue mdct"
2642 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2643 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"
2644 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"
2645 vp6a_decoder_select="vp6_decoder"
2646 vp6f_decoder_select="vp6_decoder"
2647 vp7_decoder_select="h264pred videodsp vp8dsp"
2648 vp8_decoder_select="h264pred videodsp vp8dsp"
2649 vp9_decoder_select="videodsp vp9_parser vp9_superframe_split_bsf"
2650 webp_decoder_select="vp8_decoder exif"
2651 wmalossless_decoder_select="llauddsp"
2652 wmapro_decoder_select="mdct sinewin wma_freqs"
2653 wmav1_decoder_select="mdct sinewin wma_freqs"
2654 wmav1_encoder_select="mdct sinewin wma_freqs"
2655 wmav2_decoder_select="mdct sinewin wma_freqs"
2656 wmav2_encoder_select="mdct sinewin wma_freqs"
2657 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2658 wmv1_decoder_select="h263_decoder"
2659 wmv1_encoder_select="h263_encoder"
2660 wmv2_decoder_select="blockdsp error_resilience h263_decoder idctdsp intrax8 videodsp wmv2dsp"
2661 wmv2_encoder_select="h263_encoder wmv2dsp"
2662 wmv3_decoder_select="vc1_decoder"
2663 wmv3image_decoder_select="wmv3_decoder"
2664 xma1_decoder_select="wmapro_decoder"
2665 xma2_decoder_select="wmapro_decoder"
2666 zerocodec_decoder_deps="zlib"
2667 zlib_decoder_deps="zlib"
2668 zlib_encoder_deps="zlib"
2669 zmbv_decoder_deps="zlib"
2670 zmbv_encoder_deps="zlib"
2672 # hardware accelerators
2673 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
2674 cuda_deps="ffnvcodec"
2675 cuvid_deps="ffnvcodec"
2676 d3d11va_deps="dxva_h ID3D11VideoDecoder ID3D11VideoContext"
2677 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode ole32 user32"
2678 ffnvcodec_deps_any="libdl LoadLibrary"
2679 nvdec_deps="ffnvcodec"
2680 videotoolbox_hwaccel_deps="videotoolbox pthreads"
2681 videotoolbox_hwaccel_extralibs="-framework QuartzCore"
2682 xvmc_deps="X11_extensions_XvMClib_h"
2684 h263_vaapi_hwaccel_deps="vaapi"
2685 h263_vaapi_hwaccel_select="h263_decoder"
2686 h263_videotoolbox_hwaccel_deps="videotoolbox"
2687 h263_videotoolbox_hwaccel_select="h263_decoder"
2688 h264_d3d11va_hwaccel_deps="d3d11va"
2689 h264_d3d11va_hwaccel_select="h264_decoder"
2690 h264_d3d11va2_hwaccel_deps="d3d11va"
2691 h264_d3d11va2_hwaccel_select="h264_decoder"
2692 h264_dxva2_hwaccel_deps="dxva2"
2693 h264_dxva2_hwaccel_select="h264_decoder"
2694 h264_nvdec_hwaccel_deps="nvdec"
2695 h264_nvdec_hwaccel_select="h264_decoder"
2696 h264_vaapi_hwaccel_deps="vaapi"
2697 h264_vaapi_hwaccel_select="h264_decoder"
2698 h264_vdpau_hwaccel_deps="vdpau"
2699 h264_vdpau_hwaccel_select="h264_decoder"
2700 h264_videotoolbox_hwaccel_deps="videotoolbox"
2701 h264_videotoolbox_hwaccel_select="h264_decoder"
2702 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2703 hevc_d3d11va_hwaccel_select="hevc_decoder"
2704 hevc_d3d11va2_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2705 hevc_d3d11va2_hwaccel_select="hevc_decoder"
2706 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2707 hevc_dxva2_hwaccel_select="hevc_decoder"
2708 hevc_nvdec_hwaccel_deps="nvdec"
2709 hevc_nvdec_hwaccel_select="hevc_decoder"
2710 hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC"
2711 hevc_vaapi_hwaccel_select="hevc_decoder"
2712 hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"
2713 hevc_vdpau_hwaccel_select="hevc_decoder"
2714 hevc_videotoolbox_hwaccel_deps="videotoolbox"
2715 hevc_videotoolbox_hwaccel_select="hevc_decoder"
2716 mjpeg_nvdec_hwaccel_deps="nvdec"
2717 mjpeg_nvdec_hwaccel_select="mjpeg_decoder"
2718 mjpeg_vaapi_hwaccel_deps="vaapi"
2719 mjpeg_vaapi_hwaccel_select="mjpeg_decoder"
2720 mpeg_xvmc_hwaccel_deps="xvmc"
2721 mpeg_xvmc_hwaccel_select="mpeg2video_decoder"
2722 mpeg1_nvdec_hwaccel_deps="nvdec"
2723 mpeg1_nvdec_hwaccel_select="mpeg1video_decoder"
2724 mpeg1_vdpau_hwaccel_deps="vdpau"
2725 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2726 mpeg1_videotoolbox_hwaccel_deps="videotoolbox"
2727 mpeg1_videotoolbox_hwaccel_select="mpeg1video_decoder"
2728 mpeg1_xvmc_hwaccel_deps="xvmc"
2729 mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"
2730 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2731 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2732 mpeg2_d3d11va2_hwaccel_deps="d3d11va"
2733 mpeg2_d3d11va2_hwaccel_select="mpeg2video_decoder"
2734 mpeg2_dxva2_hwaccel_deps="dxva2"
2735 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2736 mpeg2_nvdec_hwaccel_deps="nvdec"
2737 mpeg2_nvdec_hwaccel_select="mpeg2video_decoder"
2738 mpeg2_vaapi_hwaccel_deps="vaapi"
2739 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2740 mpeg2_vdpau_hwaccel_deps="vdpau"
2741 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2742 mpeg2_videotoolbox_hwaccel_deps="videotoolbox"
2743 mpeg2_videotoolbox_hwaccel_select="mpeg2video_decoder"
2744 mpeg2_xvmc_hwaccel_deps="xvmc"
2745 mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"
2746 mpeg4_nvdec_hwaccel_deps="nvdec"
2747 mpeg4_nvdec_hwaccel_select="mpeg4_decoder"
2748 mpeg4_vaapi_hwaccel_deps="vaapi"
2749 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2750 mpeg4_vdpau_hwaccel_deps="vdpau"
2751 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2752 mpeg4_videotoolbox_hwaccel_deps="videotoolbox"
2753 mpeg4_videotoolbox_hwaccel_select="mpeg4_decoder"
2754 vc1_d3d11va_hwaccel_deps="d3d11va"
2755 vc1_d3d11va_hwaccel_select="vc1_decoder"
2756 vc1_d3d11va2_hwaccel_deps="d3d11va"
2757 vc1_d3d11va2_hwaccel_select="vc1_decoder"
2758 vc1_dxva2_hwaccel_deps="dxva2"
2759 vc1_dxva2_hwaccel_select="vc1_decoder"
2760 vc1_nvdec_hwaccel_deps="nvdec"
2761 vc1_nvdec_hwaccel_select="vc1_decoder"
2762 vc1_vaapi_hwaccel_deps="vaapi"
2763 vc1_vaapi_hwaccel_select="vc1_decoder"
2764 vc1_vdpau_hwaccel_deps="vdpau"
2765 vc1_vdpau_hwaccel_select="vc1_decoder"
2766 vp8_nvdec_hwaccel_deps="nvdec"
2767 vp8_nvdec_hwaccel_select="vp8_decoder"
2768 vp8_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferVP8"
2769 vp8_vaapi_hwaccel_select="vp8_decoder"
2770 vp9_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_VP9"
2771 vp9_d3d11va_hwaccel_select="vp9_decoder"
2772 vp9_d3d11va2_hwaccel_deps="d3d11va DXVA_PicParams_VP9"
2773 vp9_d3d11va2_hwaccel_select="vp9_decoder"
2774 vp9_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_VP9"
2775 vp9_dxva2_hwaccel_select="vp9_decoder"
2776 vp9_nvdec_hwaccel_deps="nvdec"
2777 vp9_nvdec_hwaccel_select="vp9_decoder"
2778 vp9_vaapi_hwaccel_deps="vaapi VADecPictureParameterBufferVP9_bit_depth"
2779 vp9_vaapi_hwaccel_select="vp9_decoder"
2780 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2781 wmv3_d3d11va2_hwaccel_select="vc1_d3d11va2_hwaccel"
2782 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2783 wmv3_nvdec_hwaccel_select="vc1_nvdec_hwaccel"
2784 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2785 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2787 # hardware-accelerated codecs
2788 omx_deps="libdl pthreads"
2789 omx_rpi_select="omx"
2794 vaapi_encode_deps="vaapi"
2795 v4l2_m2m_deps_any="linux_videodev2_h"
2797 hwupload_cuda_filter_deps="ffnvcodec"
2798 scale_npp_filter_deps="ffnvcodec libnpp"
2799 scale_cuda_filter_deps="cuda_sdk"
2800 thumbnail_cuda_filter_deps="cuda_sdk"
2802 amf_deps_any="libdl LoadLibrary"
2803 nvenc_deps="ffnvcodec"
2804 nvenc_deps_any="libdl LoadLibrary"
2805 nvenc_encoder_deps="nvenc"
2807 h263_v4l2m2m_decoder_deps="v4l2_m2m h263_v4l2_m2m"
2808 h263_v4l2m2m_encoder_deps="v4l2_m2m h263_v4l2_m2m"
2809 h264_amf_encoder_deps="amf"
2810 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
2811 h264_cuvid_decoder_deps="cuvid"
2812 h264_cuvid_decoder_select="h264_mp4toannexb_bsf"
2813 h264_mediacodec_decoder_deps="mediacodec"
2814 h264_mediacodec_decoder_select="h264_mp4toannexb_bsf h264_parser"
2815 h264_mmal_decoder_deps="mmal"
2816 h264_nvenc_encoder_deps="nvenc"
2817 h264_omx_encoder_deps="omx"
2818 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec"
2819 h264_qsv_encoder_select="qsvenc"
2820 h264_rkmpp_decoder_deps="rkmpp"
2821 h264_rkmpp_decoder_select="h264_mp4toannexb_bsf"
2822 h264_vaapi_encoder_deps="VAEncPictureParameterBufferH264"
2823 h264_vaapi_encoder_select="cbs_h264 vaapi_encode"
2824 h264_v4l2m2m_decoder_deps="v4l2_m2m h264_v4l2_m2m"
2825 h264_v4l2m2m_encoder_deps="v4l2_m2m h264_v4l2_m2m"
2826 hevc_amf_encoder_deps="amf"
2827 hevc_cuvid_decoder_deps="cuvid"
2828 hevc_cuvid_decoder_select="hevc_mp4toannexb_bsf"
2829 hevc_mediacodec_decoder_deps="mediacodec"
2830 hevc_mediacodec_decoder_select="hevc_mp4toannexb_bsf hevc_parser"
2831 hevc_nvenc_encoder_deps="nvenc"
2832 hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec"
2833 hevc_qsv_encoder_select="hevcparse qsvenc"
2834 hevc_rkmpp_decoder_deps="rkmpp"
2835 hevc_rkmpp_decoder_select="hevc_mp4toannexb_bsf"
2836 hevc_vaapi_encoder_deps="VAEncPictureParameterBufferHEVC"
2837 hevc_vaapi_encoder_select="cbs_h265 vaapi_encode"
2838 hevc_v4l2m2m_decoder_deps="v4l2_m2m hevc_v4l2_m2m"
2839 hevc_v4l2m2m_encoder_deps="v4l2_m2m hevc_v4l2_m2m"
2840 mjpeg_cuvid_decoder_deps="cuvid"
2841 mjpeg_qsv_encoder_deps="libmfx"
2842 mjpeg_qsv_encoder_select="qsvenc"
2843 mjpeg_vaapi_encoder_deps="VAEncPictureParameterBufferJPEG"
2844 mjpeg_vaapi_encoder_select="vaapi_encode jpegtables"
2845 mpeg1_cuvid_decoder_deps="cuvid"
2846 mpeg1_v4l2m2m_decoder_deps="v4l2_m2m mpeg1_v4l2_m2m"
2847 mpeg2_crystalhd_decoder_select="crystalhd"
2848 mpeg2_cuvid_decoder_deps="cuvid"
2849 mpeg2_mmal_decoder_deps="mmal"
2850 mpeg2_mediacodec_decoder_deps="mediacodec"
2851 mpeg2_qsv_decoder_select="qsvdec mpegvideo_parser"
2852 mpeg2_qsv_encoder_select="qsvenc"
2853 mpeg2_vaapi_encoder_deps="VAEncPictureParameterBufferMPEG2"
2854 mpeg2_vaapi_encoder_select="cbs_mpeg2 vaapi_encode"
2855 mpeg2_v4l2m2m_decoder_deps="v4l2_m2m mpeg2_v4l2_m2m"
2856 mpeg4_crystalhd_decoder_select="crystalhd"
2857 mpeg4_cuvid_decoder_deps="cuvid"
2858 mpeg4_mediacodec_decoder_deps="mediacodec"
2859 mpeg4_mmal_decoder_deps="mmal"
2860 mpeg4_omx_encoder_deps="omx"
2861 mpeg4_v4l2m2m_decoder_deps="v4l2_m2m mpeg4_v4l2_m2m"
2862 mpeg4_v4l2m2m_encoder_deps="v4l2_m2m mpeg4_v4l2_m2m"
2863 msmpeg4_crystalhd_decoder_select="crystalhd"
2864 nvenc_h264_encoder_select="h264_nvenc_encoder"
2865 nvenc_hevc_encoder_select="hevc_nvenc_encoder"
2866 vc1_crystalhd_decoder_select="crystalhd"
2867 vc1_cuvid_decoder_deps="cuvid"
2868 vc1_mmal_decoder_deps="mmal"
2869 vc1_qsv_decoder_select="qsvdec vc1_parser"
2870 vc1_v4l2m2m_decoder_deps="v4l2_m2m vc1_v4l2_m2m"
2871 vp8_cuvid_decoder_deps="cuvid"
2872 vp8_mediacodec_decoder_deps="mediacodec"
2873 vp8_qsv_decoder_select="qsvdec vp8_parser"
2874 vp8_rkmpp_decoder_deps="rkmpp"
2875 vp8_vaapi_encoder_deps="VAEncPictureParameterBufferVP8"
2876 vp8_vaapi_encoder_select="vaapi_encode"
2877 vp8_v4l2m2m_decoder_deps="v4l2_m2m vp8_v4l2_m2m"
2878 vp8_v4l2m2m_encoder_deps="v4l2_m2m vp8_v4l2_m2m"
2879 vp9_cuvid_decoder_deps="cuvid"
2880 vp9_mediacodec_decoder_deps="mediacodec"
2881 vp9_rkmpp_decoder_deps="rkmpp"
2882 vp9_vaapi_encoder_deps="VAEncPictureParameterBufferVP9"
2883 vp9_vaapi_encoder_select="vaapi_encode"
2884 vp9_v4l2m2m_decoder_deps="v4l2_m2m vp9_v4l2_m2m"
2885 wmv3_crystalhd_decoder_select="crystalhd"
2888 aac_parser_select="adts_header"
2889 h264_parser_select="golomb h264dsp h264parse"
2890 hevc_parser_select="hevcparse"
2891 mpegaudio_parser_select="mpegaudioheader"
2892 mpegvideo_parser_select="mpegvideo"
2893 mpeg4video_parser_select="h263dsp mpegvideo qpeldsp"
2894 vc1_parser_select="vc1dsp"
2897 aac_adtstoasc_bsf_select="adts_header"
2898 h264_metadata_bsf_select="cbs_h264"
2899 h264_redundant_pps_bsf_select="cbs_h264"
2900 hevc_metadata_bsf_select="cbs_h265"
2901 mjpeg2jpeg_bsf_select="jpegtables"
2902 mpeg2_metadata_bsf_select="cbs_mpeg2"
2903 trace_headers_bsf_select="cbs_h264 cbs_h265 cbs_mpeg2"
2905 # external libraries
2906 aac_at_decoder_deps="audiotoolbox"
2907 aac_at_decoder_select="aac_adtstoasc_bsf"
2908 ac3_at_decoder_deps="audiotoolbox"
2909 ac3_at_decoder_select="ac3_parser"
2910 adpcm_ima_qt_at_decoder_deps="audiotoolbox"
2911 alac_at_decoder_deps="audiotoolbox"
2912 amr_nb_at_decoder_deps="audiotoolbox"
2913 avisynth_deps_any="libdl LoadLibrary"
2914 avisynth_demuxer_deps="avisynth"
2915 avisynth_demuxer_select="riffdec"
2916 eac3_at_decoder_deps="audiotoolbox"
2917 eac3_at_decoder_select="ac3_parser"
2918 gsm_ms_at_decoder_deps="audiotoolbox"
2919 ilbc_at_decoder_deps="audiotoolbox"
2920 mp1_at_decoder_deps="audiotoolbox"
2921 mp2_at_decoder_deps="audiotoolbox"
2922 mp3_at_decoder_deps="audiotoolbox"
2923 mp1_at_decoder_select="mpegaudioheader"
2924 mp2_at_decoder_select="mpegaudioheader"
2925 mp3_at_decoder_select="mpegaudioheader"
2926 pcm_alaw_at_decoder_deps="audiotoolbox"
2927 pcm_mulaw_at_decoder_deps="audiotoolbox"
2928 qdmc_at_decoder_deps="audiotoolbox"
2929 qdm2_at_decoder_deps="audiotoolbox"
2930 aac_at_encoder_deps="audiotoolbox"
2931 aac_at_encoder_select="audio_frame_queue"
2932 alac_at_encoder_deps="audiotoolbox"
2933 alac_at_encoder_select="audio_frame_queue"
2934 ilbc_at_encoder_deps="audiotoolbox"
2935 ilbc_at_encoder_select="audio_frame_queue"
2936 pcm_alaw_at_encoder_deps="audiotoolbox"
2937 pcm_alaw_at_encoder_select="audio_frame_queue"
2938 pcm_mulaw_at_encoder_deps="audiotoolbox"
2939 pcm_mulaw_at_encoder_select="audio_frame_queue"
2940 chromaprint_muxer_deps="chromaprint"
2941 h264_videotoolbox_encoder_deps="pthreads"
2942 h264_videotoolbox_encoder_select="videotoolbox_encoder"
2943 hevc_videotoolbox_encoder_deps="pthreads"
2944 hevc_videotoolbox_encoder_select="videotoolbox_encoder"
2945 libcelt_decoder_deps="libcelt"
2946 libcodec2_decoder_deps="libcodec2"
2947 libcodec2_encoder_deps="libcodec2"
2948 libfdk_aac_decoder_deps="libfdk_aac"
2949 libfdk_aac_encoder_deps="libfdk_aac"
2950 libfdk_aac_encoder_select="audio_frame_queue"
2951 libgme_demuxer_deps="libgme"
2952 libgsm_decoder_deps="libgsm"
2953 libgsm_encoder_deps="libgsm"
2954 libgsm_ms_decoder_deps="libgsm"
2955 libgsm_ms_encoder_deps="libgsm"
2956 libilbc_decoder_deps="libilbc"
2957 libilbc_encoder_deps="libilbc"
2958 libkvazaar_encoder_deps="libkvazaar"
2959 libmodplug_demuxer_deps="libmodplug"
2960 libmp3lame_encoder_deps="libmp3lame"
2961 libmp3lame_encoder_select="audio_frame_queue mpegaudioheader"
2962 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2963 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2964 libopencore_amrnb_encoder_select="audio_frame_queue"
2965 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2966 libopenh264_decoder_deps="libopenh264"
2967 libopenh264_decoder_select="h264_mp4toannexb_bsf"
2968 libopenh264_encoder_deps="libopenh264"
2969 libopenjpeg_decoder_deps="libopenjpeg"
2970 libopenjpeg_encoder_deps="libopenjpeg"
2971 libopenmpt_demuxer_deps="libopenmpt"
2972 libopus_decoder_deps="libopus"
2973 libopus_encoder_deps="libopus"
2974 libopus_encoder_select="audio_frame_queue"
2975 librsvg_decoder_deps="librsvg"
2976 libshine_encoder_deps="libshine"
2977 libshine_encoder_select="audio_frame_queue"
2978 libspeex_decoder_deps="libspeex"
2979 libspeex_encoder_deps="libspeex"
2980 libspeex_encoder_select="audio_frame_queue"
2981 libtheora_encoder_deps="libtheora"
2982 libtwolame_encoder_deps="libtwolame"
2983 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2984 libvorbis_decoder_deps="libvorbis"
2985 libvorbis_encoder_deps="libvorbis libvorbisenc"
2986 libvorbis_encoder_select="audio_frame_queue"
2987 libvpx_vp8_decoder_deps="libvpx"
2988 libvpx_vp8_encoder_deps="libvpx"
2989 libvpx_vp9_decoder_deps="libvpx"
2990 libvpx_vp9_encoder_deps="libvpx"
2991 libwavpack_encoder_deps="libwavpack"
2992 libwavpack_encoder_select="audio_frame_queue"
2993 libwebp_encoder_deps="libwebp"
2994 libwebp_anim_encoder_deps="libwebp"
2995 libx262_encoder_deps="libx262"
2996 libx264_encoder_deps="libx264"
2997 libx264rgb_encoder_deps="libx264 x264_csp_bgr"
2998 libx264rgb_encoder_select="libx264_encoder"
2999 libx265_encoder_deps="libx265"
3000 libxavs_encoder_deps="libxavs"
3001 libxvid_encoder_deps="libxvid"
3002 libzvbi_teletext_decoder_deps="libzvbi"
3003 videotoolbox_suggest="coreservices"
3004 videotoolbox_deps="corefoundation coremedia corevideo"
3005 videotoolbox_encoder_deps="videotoolbox VTCompressionSessionPrepareToEncodeFrames"
3008 ac3_demuxer_select="ac3_parser"
3009 aiff_muxer_select="iso_media"
3010 asf_demuxer_select="riffdec"
3011 asf_o_demuxer_select="riffdec"
3012 asf_muxer_select="riffenc"
3013 asf_stream_muxer_select="asf_muxer"
3014 avi_demuxer_select="iso_media riffdec exif"
3015 avi_muxer_select="riffenc"
3016 caf_demuxer_select="iso_media riffdec"
3017 caf_muxer_select="iso_media"
3018 dash_muxer_select="mp4_muxer"
3019 dash_demuxer_deps="libxml2"
3020 dirac_demuxer_select="dirac_parser"
3021 dts_demuxer_select="dca_parser"
3022 dtshd_demuxer_select="dca_parser"
3023 dv_demuxer_select="dvprofile"
3024 dv_muxer_select="dvprofile"
3025 dxa_demuxer_select="riffdec"
3026 eac3_demuxer_select="ac3_parser"
3027 f4v_muxer_select="mov_muxer"
3028 fifo_muxer_deps="threads"
3029 flac_demuxer_select="flac_parser"
3030 hds_muxer_select="flv_muxer"
3031 hls_muxer_select="mpegts_muxer"
3032 hls_muxer_suggest="gcrypt openssl"
3033 image2_alias_pix_demuxer_select="image2_demuxer"
3034 image2_brender_pix_demuxer_select="image2_demuxer"
3035 ipod_muxer_select="mov_muxer"
3036 ismv_muxer_select="mov_muxer"
3037 matroska_audio_muxer_select="matroska_muxer"
3038 matroska_demuxer_select="iso_media riffdec"
3039 matroska_demuxer_suggest="bzlib lzo zlib"
3040 matroska_muxer_select="iso_media riffenc"
3041 mmf_muxer_select="riffenc"
3042 mov_demuxer_select="iso_media riffdec"
3043 mov_demuxer_suggest="zlib"
3044 mov_muxer_select="iso_media riffenc rtpenc_chain"
3045 mp3_demuxer_select="mpegaudio_parser"
3046 mp3_muxer_select="mpegaudioheader"
3047 mp4_muxer_select="mov_muxer"
3048 mpegts_demuxer_select="iso_media"
3049 mpegts_muxer_select="adts_muxer latm_muxer"
3050 mpegtsraw_demuxer_select="mpegts_demuxer"
3051 mxf_d10_muxer_select="mxf_muxer"
3052 mxf_opatom_muxer_select="mxf_muxer"
3053 nut_muxer_select="riffenc"
3054 nuv_demuxer_select="riffdec"
3055 oga_muxer_select="ogg_muxer"
3056 ogg_demuxer_select="dirac_parse"
3057 ogv_muxer_select="ogg_muxer"
3058 opus_muxer_select="ogg_muxer"
3059 psp_muxer_select="mov_muxer"
3060 rtp_demuxer_select="sdp_demuxer"
3061 rtp_muxer_select="golomb"
3062 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol srtp"
3063 rtsp_demuxer_select="http_protocol rtpdec"
3064 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
3065 sap_demuxer_select="sdp_demuxer"
3066 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
3067 sdp_demuxer_select="rtpdec"
3068 smoothstreaming_muxer_select="ismv_muxer"
3069 spdif_demuxer_select="adts_header"
3070 spdif_muxer_select="adts_header"
3071 spx_muxer_select="ogg_muxer"
3072 swf_demuxer_suggest="zlib"
3073 tak_demuxer_select="tak_parser"
3074 tg2_muxer_select="mov_muxer"
3075 tgp_muxer_select="mov_muxer"
3076 vobsub_demuxer_select="mpegps_demuxer"
3077 w64_demuxer_select="wav_demuxer"
3078 w64_muxer_select="wav_muxer"
3079 wav_demuxer_select="riffdec"
3080 wav_muxer_select="riffenc"
3081 webm_muxer_select="iso_media riffenc"
3082 webm_dash_manifest_demuxer_select="matroska_demuxer"
3083 wtv_demuxer_select="mpegts_demuxer riffdec"
3084 wtv_muxer_select="mpegts_muxer riffenc"
3085 xmv_demuxer_select="riffdec"
3086 xwma_demuxer_select="riffdec"
3089 android_camera_indev_deps="android camera2ndk mediandk pthreads"
3090 android_camera_indev_extralibs="-landroid -lcamera2ndk -lmediandk"
3091 alsa_indev_deps="alsa"
3092 alsa_outdev_deps="alsa"
3093 avfoundation_indev_deps="avfoundation corevideo coremedia pthreads"
3094 avfoundation_indev_suggest="coregraphics applicationservices"
3095 avfoundation_indev_extralibs="-framework Foundation"
3096 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
3097 caca_outdev_deps="libcaca"
3098 decklink_deps_any="libdl LoadLibrary"
3099 decklink_indev_deps="decklink threads"
3100 decklink_indev_extralibs="-lstdc++"
3101 decklink_outdev_deps="decklink threads"
3102 decklink_outdev_extralibs="-lstdc++"
3103 libndi_newtek_indev_deps="libndi_newtek"
3104 libndi_newtek_indev_extralibs="-lndi"
3105 libndi_newtek_outdev_deps="libndi_newtek"
3106 libndi_newtek_outdev_extralibs="-lndi"
3107 dshow_indev_deps="IBaseFilter"
3108 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"
3109 fbdev_indev_deps="linux_fb_h"
3110 fbdev_outdev_deps="linux_fb_h"
3111 gdigrab_indev_deps="CreateDIBSection"
3112 gdigrab_indev_extralibs="-lgdi32"
3113 gdigrab_indev_select="bmp_decoder"
3114 iec61883_indev_deps="libiec61883"
3115 jack_indev_deps="libjack"
3116 jack_indev_deps_any="sem_timedwait dispatch_dispatch_h"
3117 kmsgrab_indev_deps="libdrm"
3118 lavfi_indev_deps="avfilter"
3119 libcdio_indev_deps="libcdio"
3120 libdc1394_indev_deps="libdc1394"
3121 openal_indev_deps="openal"
3122 opengl_outdev_deps="opengl"
3123 oss_indev_deps_any="sys_soundcard_h"
3124 oss_outdev_deps_any="sys_soundcard_h"
3125 pulse_indev_deps="libpulse"
3126 pulse_outdev_deps="libpulse"
3127 sdl2_outdev_deps="sdl2"
3128 sndio_indev_deps="sndio"
3129 sndio_outdev_deps="sndio"
3130 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
3131 v4l2_indev_suggest="libv4l2"
3132 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
3133 v4l2_outdev_suggest="libv4l2"
3134 vfwcap_indev_deps="vfw32 vfwcap_defines"
3135 xcbgrab_indev_deps="libxcb"
3136 xcbgrab_indev_suggest="libxcb_shm libxcb_shape libxcb_xfixes"
3137 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
3138 xv_outdev_extralibs="-lXv -lX11 -lXext"
3141 async_protocol_deps="threads"
3142 bluray_protocol_deps="libbluray"
3143 ffrtmpcrypt_protocol_conflict="librtmp_protocol"
3144 ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"
3145 ffrtmpcrypt_protocol_select="tcp_protocol"
3146 ffrtmphttp_protocol_conflict="librtmp_protocol"
3147 ffrtmphttp_protocol_select="http_protocol"
3148 ftp_protocol_select="tcp_protocol"
3149 gopher_protocol_select="network"
3150 http_protocol_select="tcp_protocol"
3151 http_protocol_suggest="zlib"
3152 httpproxy_protocol_select="tcp_protocol"
3153 httpproxy_protocol_suggest="zlib"
3154 https_protocol_select="tls_protocol"
3155 https_protocol_suggest="zlib"
3156 icecast_protocol_select="http_protocol"
3157 librtmp_protocol_deps="librtmp"
3158 librtmpe_protocol_deps="librtmp"
3159 librtmps_protocol_deps="librtmp"
3160 librtmpt_protocol_deps="librtmp"
3161 librtmpte_protocol_deps="librtmp"
3162 libsmbclient_protocol_deps="libsmbclient gplv3"
3163 libssh_protocol_deps="libssh"
3164 libtls_conflict="openssl gnutls"
3165 mmsh_protocol_select="http_protocol"
3166 mmst_protocol_select="network"
3167 rtmp_protocol_conflict="librtmp_protocol"
3168 rtmp_protocol_select="tcp_protocol"
3169 rtmp_protocol_suggest="zlib"
3170 rtmpe_protocol_select="ffrtmpcrypt_protocol"
3171 rtmpe_protocol_suggest="zlib"
3172 rtmps_protocol_conflict="librtmp_protocol"
3173 rtmps_protocol_select="tls_protocol"
3174 rtmps_protocol_suggest="zlib"
3175 rtmpt_protocol_select="ffrtmphttp_protocol"
3176 rtmpt_protocol_suggest="zlib"
3177 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
3178 rtmpte_protocol_suggest="zlib"
3179 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
3180 rtmpts_protocol_suggest="zlib"
3181 rtp_protocol_select="udp_protocol"
3182 schannel_conflict="openssl gnutls libtls"
3183 sctp_protocol_deps="struct_sctp_event_subscribe struct_msghdr_msg_flags"
3184 sctp_protocol_select="network"
3185 securetransport_conflict="openssl gnutls libtls"
3186 srtp_protocol_select="rtp_protocol srtp"
3187 tcp_protocol_select="network"
3188 tls_protocol_deps_any="gnutls openssl schannel securetransport libtls"
3189 tls_protocol_select="tcp_protocol"
3190 udp_protocol_select="network"
3191 udplite_protocol_select="network"
3192 unix_protocol_deps="sys_un_h"
3193 unix_protocol_select="network"
3196 afftfilt_filter_deps="avcodec"
3197 afftfilt_filter_select="fft"
3198 afir_filter_deps="avcodec"
3199 afir_filter_select="fft"
3200 amovie_filter_deps="avcodec avformat"
3201 aresample_filter_deps="swresample"
3202 ass_filter_deps="libass"
3203 atempo_filter_deps="avcodec"
3204 atempo_filter_select="rdft"
3205 azmq_filter_deps="libzmq"
3206 blackframe_filter_deps="gpl"
3207 boxblur_filter_deps="gpl"
3208 bs2b_filter_deps="libbs2b"
3209 colormatrix_filter_deps="gpl"
3210 convolve_filter_deps="avcodec"
3211 convolve_filter_select="fft"
3212 coreimage_filter_deps="coreimage appkit"
3213 coreimage_filter_extralibs="-framework OpenGL"
3214 coreimagesrc_filter_deps="coreimage appkit"
3215 coreimagesrc_filter_extralibs="-framework OpenGL"
3216 cover_rect_filter_deps="avcodec avformat gpl"
3217 cropdetect_filter_deps="gpl"
3218 deconvolve_filter_deps="avcodec"
3219 deconvolve_filter_select="fft"
3220 deinterlace_qsv_filter_deps="libmfx"
3221 deinterlace_vaapi_filter_deps="vaapi"
3222 delogo_filter_deps="gpl"
3223 denoise_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
3224 deshake_filter_select="pixelutils"
3225 drawtext_filter_deps="libfreetype"
3226 drawtext_filter_suggest="libfontconfig libfribidi"
3227 elbg_filter_deps="avcodec"
3228 eq_filter_deps="gpl"
3229 fftfilt_filter_deps="avcodec"
3230 fftfilt_filter_select="rdft"
3231 find_rect_filter_deps="avcodec avformat gpl"
3232 firequalizer_filter_deps="avcodec"
3233 firequalizer_filter_select="rdft"
3234 flite_filter_deps="libflite"
3235 framerate_filter_select="pixelutils"
3236 frei0r_filter_deps="frei0r libdl"
3237 frei0r_src_filter_deps="frei0r libdl"
3238 fspp_filter_deps="gpl"
3239 geq_filter_deps="gpl"
3240 histeq_filter_deps="gpl"
3241 hqdn3d_filter_deps="gpl"
3242 interlace_filter_deps="gpl"
3243 kerndeint_filter_deps="gpl"
3244 ladspa_filter_deps="ladspa libdl"
3245 lv2_filter_deps="lv2"
3246 mcdeint_filter_deps="avcodec gpl"
3247 movie_filter_deps="avcodec avformat"
3248 mpdecimate_filter_deps="gpl"
3249 mpdecimate_filter_select="pixelutils"
3250 mptestsrc_filter_deps="gpl"
3251 negate_filter_deps="lut_filter"
3252 nnedi_filter_deps="gpl"
3253 ocr_filter_deps="libtesseract"
3254 ocv_filter_deps="libopencv"
3255 openclsrc_filter_deps="opencl"
3256 overlay_opencl_filter_deps="opencl"
3257 overlay_qsv_filter_deps="libmfx"
3258 overlay_qsv_filter_select="qsvvpp"
3259 owdenoise_filter_deps="gpl"
3260 pan_filter_deps="swresample"
3261 perspective_filter_deps="gpl"
3262 phase_filter_deps="gpl"
3263 pp7_filter_deps="gpl"
3264 pp_filter_deps="gpl postproc"
3265 procamp_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
3266 program_opencl_filter_deps="opencl"
3267 pullup_filter_deps="gpl"
3268 removelogo_filter_deps="avcodec avformat swscale"
3269 repeatfields_filter_deps="gpl"
3270 resample_filter_deps="avresample"
3271 rubberband_filter_deps="librubberband"
3272 sab_filter_deps="gpl swscale"
3273 scale2ref_filter_deps="swscale"
3274 scale_filter_deps="swscale"
3275 scale_qsv_filter_deps="libmfx"
3276 select_filter_select="pixelutils"
3277 sharpness_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
3278 showcqt_filter_deps="avcodec avformat swscale"
3279 showcqt_filter_suggest="libfontconfig libfreetype"
3280 showcqt_filter_select="fft"
3281 showfreqs_filter_deps="avcodec"
3282 showfreqs_filter_select="fft"
3283 showspectrum_filter_deps="avcodec"
3284 showspectrum_filter_select="fft"
3285 showspectrumpic_filter_deps="avcodec"
3286 showspectrumpic_filter_select="fft"
3287 signature_filter_deps="gpl avcodec avformat"
3288 smartblur_filter_deps="gpl swscale"
3289 sofalizer_filter_deps="libmysofa avcodec"
3290 sofalizer_filter_select="fft"
3291 spectrumsynth_filter_deps="avcodec"
3292 spectrumsynth_filter_select="fft"
3293 spp_filter_deps="gpl avcodec"
3294 spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"
3295 stereo3d_filter_deps="gpl"
3296 subtitles_filter_deps="avformat avcodec libass"
3297 super2xsai_filter_deps="gpl"
3298 pixfmts_super2xsai_test_deps="super2xsai_filter"
3299 tinterlace_filter_deps="gpl"
3300 tinterlace_merge_test_deps="tinterlace_filter"
3301 tinterlace_pad_test_deps="tinterlace_filter"
3302 tonemap_filter_deps="const_nan"
3303 unsharp_opencl_filter_deps="opencl"
3304 uspp_filter_deps="gpl avcodec"
3305 vaguedenoiser_filter_deps="gpl"
3306 vidstabdetect_filter_deps="libvidstab"
3307 vidstabtransform_filter_deps="libvidstab"
3308 libvmaf_filter_deps="libvmaf pthreads"
3309 zmq_filter_deps="libzmq"
3310 zoompan_filter_deps="swscale"
3311 zscale_filter_deps="libzimg const_nan"
3312 scale_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
3313 vpp_qsv_filter_deps="libmfx"
3314 vpp_qsv_filter_select="qsvvpp"
3317 avio_dir_cmd_deps="avformat avutil"
3318 avio_reading_deps="avformat avcodec avutil"
3319 decode_audio_example_deps="avcodec avutil"
3320 decode_video_example_deps="avcodec avutil"
3321 demuxing_decoding_example_deps="avcodec avformat avutil"
3322 encode_audio_example_deps="avcodec avutil"
3323 encode_video_example_deps="avcodec avutil"
3324 extract_mvs_example_deps="avcodec avformat avutil"
3325 filter_audio_example_deps="avfilter avutil"
3326 filtering_audio_example_deps="avfilter avcodec avformat avutil"
3327 filtering_video_example_deps="avfilter avcodec avformat avutil"
3328 http_multiclient_example_deps="avformat avutil fork"
3329 hw_decode_example_deps="avcodec avformat avutil"
3330 metadata_example_deps="avformat avutil"
3331 muxing_example_deps="avcodec avformat avutil swscale"
3332 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder"
3333 remuxing_example_deps="avcodec avformat avutil"
3334 resampling_audio_example_deps="avutil swresample"
3335 scaling_video_example_deps="avutil swscale"
3336 transcode_aac_example_deps="avcodec avformat swresample"
3337 transcoding_example_deps="avfilter avcodec avformat avutil"
3338 vaapi_encode_example_deps="avcodec avutil h264_vaapi_encoder"
3339 vaapi_transcode_example_deps="avcodec avformat avutil h264_vaapi_encoder"
3342 cpu_init_extralibs="pthreads_extralibs"
3343 cws2fws_extralibs="zlib_extralibs"
3345 # libraries, in linking order
3346 avcodec_deps="avutil"
3347 avcodec_suggest="libm"
3348 avcodec_select="null_bsf"
3349 avdevice_deps="avformat avcodec avutil"
3350 avdevice_suggest="libm"
3351 avfilter_deps="avutil"
3352 avfilter_suggest="libm"
3353 avformat_deps="avcodec avutil"
3354 avformat_suggest="libm network zlib"
3355 avresample_deps="avutil"
3356 avresample_suggest="libm"
3357 avutil_suggest="clock_gettime ffnvcodec libm libdrm libmfx opencl user32 vaapi videotoolbox corefoundation corevideo coremedia wincrypt"
3358 postproc_deps="avutil gpl"
3359 postproc_suggest="libm"
3360 swresample_deps="avutil"
3361 swresample_suggest="libm libsoxr"
3362 swscale_deps="avutil"
3363 swscale_suggest="libm"
3365 avcodec_extralibs="pthreads_extralibs iconv_extralibs"
3366 avfilter_extralibs="pthreads_extralibs"
3367 avutil_extralibs="d3d11va_extralibs nanosleep_extralibs pthreads_extralibs vaapi_drm_extralibs vaapi_x11_extralibs vdpau_x11_extralibs"
3370 ffmpeg_deps="avcodec avfilter avformat swresample"
3371 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
3374 ffmpeg_suggest="ole32 psapi shell32"
3375 ffplay_deps="avcodec avformat swscale swresample sdl2"
3376 ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"
3377 ffplay_suggest="shell32"
3378 ffprobe_deps="avcodec avformat"
3379 ffprobe_suggest="shell32"
3382 podpages_deps="perl"
3383 manpages_deps="perl pod2man"
3384 htmlpages_deps="perl"
3385 htmlpages_deps_any="makeinfo_html texi2html"
3386 txtpages_deps="perl makeinfo"
3387 doc_deps_any="manpages htmlpages podpages txtpages"
3389 # default parameters
3391 logfile="ffbuild/config.log"
3393 # installation paths
3394 prefix_default="/usr/local"
3395 bindir_default='${prefix}/bin'
3396 datadir_default='${prefix}/share/ffmpeg'
3397 docdir_default='${prefix}/share/doc/ffmpeg'
3398 incdir_default='${prefix}/include'
3399 libdir_default='${prefix}/lib'
3400 mandir_default='${prefix}/share/man'
3406 host_cc_default="gcc"
3407 doxygen_default="doxygen"
3409 ln_s_default="ln -s -f"
3411 pkg_config_default=pkg-config
3412 ranlib_default="ranlib"
3413 strip_default="strip"
3414 version_script='--version-script'
3416 x86asmexe_default="nasm"
3417 windres_default="windres"
3419 nvccflags_default="-gencode arch=compute_30,code=sm_30 -O2"
3423 target_os_default=$(tolower $(uname -s))
3424 host_os=$target_os_default
3427 if test "$target_os_default" = aix; then
3428 arch_default=$(uname -p)
3429 strip_default="strip -X32_64"
3431 arch_default=$(uname -m)
3436 # configurable options
3437 enable $PROGRAM_LIST
3438 enable $DOCUMENT_LIST
3439 enable $EXAMPLE_LIST
3440 enable $(filter_out avresample $LIBRARY_LIST)
3446 enable faan faandct faanidct
3447 enable optimizations
3448 enable runtime_cpudetect
3449 enable safe_bitstream_reader
3451 enable swscale_alpha
3452 enable valgrind_backtrace
3454 sws_max_filter_size_default=256
3455 set_default sws_max_filter_size
3457 # internal components are enabled by default
3458 enable $EXTRALIBS_LIST
3460 # Avoid external, non-system, libraries getting enabled by dependency resolution
3461 disable $EXTERNAL_LIBRARY_LIST $HWACCEL_LIBRARY_LIST
3464 SHFLAGS='-shared -Wl,-soname,$$(@F)'
3467 FULLNAME='$(NAME)$(BUILDSUF)'
3468 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
3471 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
3472 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
3473 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
3474 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
3475 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
3476 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
3477 VERSION_SCRIPT_POSTPROCESS_CMD="cat"
3504 host_extralibs='-lm'
3505 host_cflags_filter=echo
3506 host_ldflags_filter=echo
3508 target_path='$(CURDIR)'
3510 # since the object filename is not given with the -MM flag, the compiler
3511 # is only able to print the basename, and we must add the path ourselves
3512 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>/dev/null | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(@F),$(@D)/$(@F)," > $(@:.o=.d)'
3518 if test -f configure; then
3521 source_path=$(cd $(dirname "$0"); pwd)
3522 case "$source_path" in
3523 *[[:blank:]]*) die "Out of tree builds are impossible with whitespace in source path." ;;
3525 test -e "$source_path/config.h" &&
3526 die "Out of tree builds are impossible with config.h in source dir."
3533 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
3539 file=$source_path/$3
3540 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
3543 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
3545 find_things_extern(){
3548 file=$source_path/$3
3550 sed -n "s/^[^#]*extern.*$pattern *ff_\([^ ]*\)_$thing;/\1_$out/p" "$file"
3553 OUTDEV_LIST=$(find_things_extern muxer AVOutputFormat libavdevice/alldevices.c outdev)
3554 INDEV_LIST=$(find_things_extern demuxer AVInputFormat libavdevice/alldevices.c indev)
3555 MUXER_LIST=$(find_things_extern muxer AVOutputFormat libavformat/allformats.c)
3556 DEMUXER_LIST=$(find_things_extern demuxer AVInputFormat libavformat/allformats.c)
3557 ENCODER_LIST=$(find_things_extern encoder AVCodec libavcodec/allcodecs.c)
3558 DECODER_LIST=$(find_things_extern decoder AVCodec libavcodec/allcodecs.c)
3563 PARSER_LIST=$(find_things_extern parser AVCodecParser libavcodec/parser.c)
3564 BSF_LIST=$(find_things_extern bsf AVBitStreamFilter libavcodec/bitstream_filters.c)
3565 HWACCEL_LIST=$(find_things_extern hwaccel AVHWAccel libavcodec/hwaccels.h)
3566 PROTOCOL_LIST=$(find_things_extern protocol URLProtocol libavformat/protocols.c)
3568 AVCODEC_COMPONENTS_LIST="
3576 AVDEVICE_COMPONENTS_LIST="
3581 AVFILTER_COMPONENTS_LIST="
3585 AVFORMAT_COMPONENTS_LIST="
3592 $AVCODEC_COMPONENTS_LIST
3593 $AVDEVICE_COMPONENTS_LIST
3594 $AVFILTER_COMPONENTS_LIST
3595 $AVFORMAT_COMPONENTS_LIST
3598 for n in $COMPONENT_LIST; do
3599 v=$(toupper ${n%s})_LIST
3601 eval ${n}_if_any="\$$v"
3604 enable $ARCH_EXT_LIST
3607 echo "Unknown option \"$1\"."
3608 echo "See $0 --help for available options."
3612 print_in_columns() {
3613 cols=$(expr $ncols / 24)
3614 cat | tr ' ' '\n' | sort | pr -r "-$cols" -w $ncols -t
3620 echo $* | sed s/$suffix//g | print_in_columns
3632 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
3633 echo "prob ${prob:-0.5}"
3641 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
3642 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
3651 --extra-ldexeflags=*)
3652 add_ldexeflags $optval
3654 --extra-ldsoflags=*)
3655 add_ldsoflags $optval
3657 --extra-ldlibflags=*)
3658 warn "The --extra-ldlibflags option is only provided for compatibility and will be\n"\
3659 "removed in the future. Use --extra-ldsoflags instead."
3660 add_ldsoflags $optval
3663 add_extralibs $optval
3666 disable $INDEV_LIST $OUTDEV_LIST
3669 debuglevel="$optval"
3672 disable $PROGRAM_LIST
3674 --disable-everything)
3675 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3678 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3679 disable $LIBRARY_LIST $PROGRAM_LIST doc
3682 --enable-random|--disable-random)
3683 action=${opt%%-random}
3684 do_random ${action#--} $COMPONENT_LIST
3686 --enable-random=*|--disable-random=*)
3687 action=${opt%%-random=*}
3688 do_random ${action#--} $optval
3693 --enable-*=*|--disable-*=*)
3694 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
3695 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
3696 eval list=\$$(toupper $thing)_LIST
3697 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
3698 list=$(filter "$name" $list)
3699 [ "$list" = "" ] && warn "Option $opt did not match anything"
3702 --enable-yasm|--disable-yasm)
3703 warn "The ${opt} option is only provided for compatibility and will be\n"\
3704 "removed in the future. Use --enable-x86asm / --disable-x86asm instead."
3705 test $opt = --enable-yasm && x86asm=yes || x86asm=no
3708 warn "The --yasmexe option is only provided for compatibility and will be\n"\
3709 "removed in the future. Use --x86asmexe instead."
3712 --enable-?*|--disable-?*)
3713 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
3714 if is_in $option $COMPONENT_LIST; then
3715 test $action = disable && action=unset
3716 eval $action \$$(toupper ${option%s})_LIST
3717 elif is_in $option $CMDLINE_SELECT; then
3724 NAME="${opt#--list-}"
3725 is_in $NAME $COMPONENT_LIST || die_unknown $opt
3727 eval show_list $NAME \$$(toupper $NAME)_LIST
3729 --help|-h) show_help
3731 --quiet|-q) quiet=yes
3733 --fatal-warnings) enable fatal_warnings
3736 libfuzzer_path="$optval"
3739 optname="${opt%%=*}"
3740 optname="${optname#--}"
3741 optname=$(echo "$optname" | sed 's/-/_/g')
3742 if is_in $optname $CMDLINE_SET; then
3743 eval $optname='$optval'
3744 elif is_in $optname $CMDLINE_APPEND; then
3745 append $optname "$optval"
3757 if disabled autodetect; then
3759 # Unless iconv is explicitely disabled by the user, we still want to probe
3760 # for the iconv from the libc.
3761 disabled iconv || enable libc_iconv
3763 disable_weak $EXTERNAL_AUTODETECT_LIBRARY_LIST
3764 disable_weak $HWACCEL_AUTODETECT_LIBRARY_LIST
3766 # Mark specifically enabled, but normally autodetected libraries as requested.
3767 for lib in $AUTODETECT_LIBS; do
3768 enabled $lib && request $lib
3770 #TODO: switch to $AUTODETECT_LIBS when $THREADS_LIST is supported the same way
3771 enable_weak $EXTERNAL_AUTODETECT_LIBRARY_LIST
3772 enable_weak $HWACCEL_AUTODETECT_LIBRARY_LIST
3774 disabled logging && logfile=/dev/null
3776 # command line configuration sanity checks
3778 # we need to build at least one lib type
3779 if ! enabled_any static shared; then
3781 At least one library type must be built.
3782 Specify --enable-static to build the static libraries or --enable-shared to
3783 build the shared libraries as well. To only build the shared libraries specify
3784 --disable-static in addition to --enable-shared.
3789 die_license_disabled() {
3790 enabled $1 || { enabled $v && die "$v is $1 and --enable-$1 is not specified."; }
3793 die_license_disabled_gpl() {
3794 enabled $1 || { enabled $v && die "$v is incompatible with the gpl and --enable-$1 is not specified."; }
3797 map "die_license_disabled gpl" $EXTERNAL_LIBRARY_GPL_LIST $EXTERNAL_LIBRARY_GPLV3_LIST
3798 map "die_license_disabled version3" $EXTERNAL_LIBRARY_VERSION3_LIST $EXTERNAL_LIBRARY_GPLV3_LIST
3800 enabled gpl && map "die_license_disabled_gpl nonfree" $EXTERNAL_LIBRARY_NONFREE_LIST
3801 map "die_license_disabled nonfree" $HWACCEL_LIBRARY_NONFREE_LIST
3803 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3805 if enabled nonfree; then
3806 license="nonfree and unredistributable"
3807 elif enabled gplv3; then
3808 license="GPL version 3 or later"
3809 elif enabled lgplv3; then
3810 license="LGPL version 3 or later"
3811 elif enabled gpl; then
3812 license="GPL version 2 or later"
3814 license="LGPL version 2.1 or later"
3817 enabled_all gnutls openssl &&
3818 die "GnuTLS and OpenSSL must not be enabled at the same time."
3820 # Disable all the library-specific components if the library itself
3821 # is disabled, see AVCODEC_LIST and following _LIST variables.
3823 disable_components(){
3824 disabled ${1} && disable $(
3825 eval components="\$$(toupper ${1})_COMPONENTS"
3826 map 'eval echo \${$(toupper ${v%s})_LIST}' $components
3830 map 'disable_components $v' $LIBRARY_LIST
3832 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
3835 test -n "$valgrind" && toolchain="valgrind-memcheck"
3837 enabled ossfuzz && {
3838 add_cflags -fsanitize=address,undefined -fsanitize-coverage=trace-pc-guard,trace-cmp -fno-omit-frame-pointer
3839 add_ldflags -fsanitize=address,undefined -fsanitize-coverage=trace-pc-guard,trace-cmp
3842 case "$toolchain" in
3844 cc_default="${toolchain%-asan}"
3845 add_cflags -fsanitize=address
3846 add_ldflags -fsanitize=address
3849 cc_default="${toolchain%-msan}"
3850 add_cflags -fsanitize=memory -fsanitize-memory-track-origins
3851 add_ldflags -fsanitize=memory
3854 cc_default="${toolchain%-tsan}"
3855 add_cflags -fsanitize=thread -fPIE
3856 add_ldflags -fsanitize=thread -pie
3857 case "$toolchain" in
3865 cc_default="${toolchain%-usan}"
3866 add_cflags -fsanitize=undefined
3867 add_ldflags -fsanitize=undefined
3870 target_exec_default="valgrind"
3871 case "$toolchain" in
3873 target_exec_args="--tool=massif --alloc-fn=av_malloc --alloc-fn=av_mallocz --alloc-fn=av_calloc --alloc-fn=av_fast_padded_malloc --alloc-fn=av_fast_malloc --alloc-fn=av_realloc_f --alloc-fn=av_fast_realloc --alloc-fn=av_realloc"
3876 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
3881 # Check whether the current MSVC version needs the C99 converter.
3882 # From MSVC 2013 (compiler major version 18) onwards, it does actually
3883 # support enough of C99 to build ffmpeg. Default to the new
3884 # behaviour if the regexp was unable to match anything, since this
3885 # successfully parses the version number of existing supported
3886 # versions that require the converter (MSVC 2010 and 2012).
3887 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
3888 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
3892 cc_default="c99wrap cl"
3893 cxx_default="c99wrap cl"
3895 ld_default="$source_path/compat/windows/mslink"
3896 nm_default="dumpbin -symbols"
3900 as_default="armasm64"
3906 target_os_default="win32"
3907 # Use a relative path for TMPDIR. This makes sure all the
3908 # ffconf temp files are written with a relative path, avoiding
3909 # issues with msys/win32 path conversion for MSVC parameters
3910 # such as -Fo<file> or -out:<file>.
3916 nm_default="dumpbin -symbols"
3918 target_os_default="win32"
3922 add_cflags -fprofile-arcs -ftest-coverage
3923 add_ldflags -fprofile-arcs -ftest-coverage
3926 add_cflags -fprofile-arcs -ftest-coverage
3927 add_ldflags --coverage
3930 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
3931 add_cflags -fno-strict-overflow -fstack-protector-all
3932 add_ldflags -Wl,-z,relro -Wl,-z,now
3934 add_ldexeflags -fPIE -pie
3937 die "Unknown toolchain $toolchain"
3941 if test -n "$cross_prefix"; then
3942 test -n "$arch" && test -n "$target_os" ||
3943 die "Must specify target arch (--arch) and OS (--target-os) when cross-compiling"
3944 enable cross_compile
3947 ar_default="${cross_prefix}${ar_default}"
3948 cc_default="${cross_prefix}${cc_default}"
3949 cxx_default="${cross_prefix}${cxx_default}"
3950 nm_default="${cross_prefix}${nm_default}"
3951 pkg_config_default="${cross_prefix}${pkg_config_default}"
3952 if ${cross_prefix}${ranlib_default} 2>&1 | grep -q "\-D "; then
3953 ranlib_default="${cross_prefix}${ranlib_default} -D"
3955 ranlib_default="${cross_prefix}${ranlib_default}"
3957 strip_default="${cross_prefix}${strip_default}"
3958 windres_default="${cross_prefix}${windres_default}"
3960 sysinclude_default="${sysroot}/usr/include"
3962 set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \
3963 target_exec target_os x86asmexe nvcc
3964 enabled cross_compile || host_cc_default=$cc
3967 pkg_config_fail_message=""
3968 if ! $pkg_config --version >/dev/null 2>&1; then
3969 warn "$pkg_config not found, library detection may fail."
3971 elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then
3972 pkg_config_fail_message="
3973 Note: When building a static binary, add --pkg-config-flags=\"--static\"."
3976 if test $doxygen != $doxygen_default && \
3977 ! $doxygen --version >/dev/null 2>&1; then
3978 warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."
3983 mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
3987 EXESUF=$(exesuf $target_os)
3988 HOSTEXESUF=$(exesuf $host_os)
3990 # set temporary file name
3991 : ${TMPDIR:=$TEMPDIR}
3995 if [ -n "$tempprefix" ] ; then
3997 tmpname="$tempprefix.${HOSTNAME}.${UID}"
4001 elif ! check_cmd mktemp -u XXXXXX; then
4002 # simple replacement for missing mktemp
4003 # NOT SAFE FOR GENERAL USE
4005 tmpname="${2%%XXX*}.${HOSTNAME}.${UID}.$$"
4011 FFTMPDIR=$(mktemp -d "${TMPDIR}/ffconf.XXXXXXXX" 2> /dev/null) ||
4012 die "Unable to create temporary directory in $TMPDIR."
4015 tmp="${FFTMPDIR}/test"$2
4016 (set -C; exec > $tmp) 2> /dev/null ||
4017 die "Unable to create temporary file in $FFTMPDIR."
4021 trap 'rm -rf -- "$FFTMPDIR"' EXIT
4027 tmpfile TMPE $EXESUF
4039 # make sure we can execute files in $TMPDIR
4040 cat > $TMPSH 2>> $logfile <<EOF
4043 chmod +x $TMPSH >> $logfile 2>&1
4044 if ! $TMPSH >> $logfile 2>&1; then
4046 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
4047 variable to another directory and make sure that it is not mounted noexec.
4049 die "Sanity test failed."
4055 # Filter out MSVC cl.exe options from cflags that shouldn't
4056 # be passed to gas-preprocessor
4066 -Wno-switch) echo -Wno-switch-enum ;;
4067 -Wno-format-zero-length) ;;
4068 -Wdisabled-optimization) ;;
4069 -Wno-pointer-sign) echo -Wno-other ;;
4075 msvc_common_flags(){
4078 # In addition to specifying certain flags under the compiler
4079 # specific filters, they must be specified here as well or else the
4080 # generic catch all at the bottom will print the original flag.
4085 -fomit-frame-pointer) ;;
4089 -fno-signed-zeros) ;;
4093 -lz) echo zlib.lib ;;
4094 -lx264) echo libx264.lib ;;
4096 -l*) echo ${flag#-l}.lib ;;
4097 -LARGEADDRESSAWARE) echo $flag ;;
4098 -L*) echo -libpath:${flag#-L} ;;
4105 msvc_common_flags "$@"
4108 -Wall) echo -W3 -wd4018 -wd4146 -wd4244 -wd4305 \
4110 -Wextra) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
4111 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
4112 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
4114 -wd4273 -wd4554 -wd4701 -wd4703 ;;
4120 msvc_common_flags "$@"
4123 # Despite what Intel's documentation says -Wall, which is supported
4124 # on Windows, does enable remarks so disable them here.
4125 -Wall) echo $flag -Qdiag-disable:remark ;;
4126 -std=c99) echo -Qstd=c99 ;;
4145 case "${flag#*=}" in
4146 native) echo -xtarget=native ;;
4147 v9|niagara) echo -xarch=sparc ;;
4148 ultrasparc) echo -xarch=sparcvis ;;
4149 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
4150 i586|pentium) echo -xchip=pentium ;;
4151 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
4152 pentium3*|c3-2) echo -xtarget=pentium3 ;;
4153 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
4154 pentium4*) echo -xtarget=pentium4 ;;
4155 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
4156 *-sse3) echo -xarch=sse3 ;;
4157 core2) echo -xarch=ssse3 -xchip=core2 ;;
4158 bonnell) echo -xarch=ssse3 ;;
4159 corei7|nehalem) echo -xtarget=nehalem ;;
4160 westmere) echo -xtarget=westmere ;;
4161 silvermont) echo -xarch=sse4_2 ;;
4162 corei7-avx|sandybridge) echo -xtarget=sandybridge ;;
4163 core-avx*|ivybridge|haswell|broadwell|skylake*|knl)
4165 amdfam10|barcelona) echo -xtarget=barcelona ;;
4166 btver1) echo -xarch=amdsse4a ;;
4167 btver2|bdver*|znver*) echo -xarch=avx ;;
4168 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
4169 k8|opteron|athlon64|athlon-fx)
4170 echo -xarch=sse2a ;;
4171 athlon*) echo -xarch=pentium_proa ;;
4174 -std=c99) echo -xc99 ;;
4175 -fomit-frame-pointer) echo -xregs=frameptr ;;
4176 -fPIC) echo -KPIC -xcode=pic32 ;;
4177 -W*,*) echo $flag ;;
4178 -f*-*|-W*|-mimpure-text) ;;
4190 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
4191 unset _ld_o _ldflags _ld_lib _ld_path
4192 unset _depflags _DEPCMD _DEPFLAGS
4195 if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
4196 true # no-op to avoid reading stdin in following checks
4197 elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
4199 gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')
4200 _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"
4201 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4204 elif $_cc -v 2>&1 | grep -qi ^gcc; then
4206 gcc_version=$($_cc --version | head -n1)
4207 gcc_basever=$($_cc -dumpversion)
4208 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
4209 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
4210 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
4211 case $gcc_basever in
4214 *) _depflags='-MMD -MF $(@:.o=.d) -MT $@' ;;
4216 if [ "$first" = true ]; then
4217 case $gcc_basever in
4219 warn "gcc 4.2 is outdated and may miscompile FFmpeg. Please use a newer compiler." ;;
4224 elif $_cc --version 2>/dev/null | grep -q ^icc; then
4226 _ident=$($_cc --version | head -n1)
4231 _flags_filter=icc_flags
4232 elif $_cc -v 2>&1 | grep -q xlc; then
4234 _ident=$($_cc -qversion 2>/dev/null | head -n1)
4236 _cflags_size='-O5 -qcompact'
4237 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
4238 test -d "$sysroot" || die "No valid sysroot specified."
4240 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
4241 armcc_conf="$PWD/armcc.conf"
4242 $_cc --arm_linux_configure \
4243 --arm_linux_config_file="$armcc_conf" \
4244 --configure_sysroot="$sysroot" \
4245 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
4246 die "Error creating armcc configuration file."
4247 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
4248 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
4249 as_default="${cross_prefix}gcc"
4253 elif $_cc -v 2>&1 | grep -q clang; then
4255 _ident=$($_cc --version 2>/dev/null | head -n1)
4256 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4259 elif $_cc -V 2>&1 | grep -q Sun; then
4261 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
4262 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
4263 _DEPFLAGS='-xM1 -xc99'
4266 _cflags_size='-O5 -xspace'
4267 _flags_filter=suncc_flags
4268 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
4270 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
4271 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4274 _flags_filter='filter_out -Wdisabled-optimization'
4275 elif $_cc -v 2>&1 | grep -q Open64; then
4277 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
4278 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4281 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
4282 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
4284 _ident=$($_cc | head -n1)
4285 # 4509: "This form of conditional instruction is deprecated"
4286 _flags="-nologo -ignore 4509"
4287 _flags_filter=armasm_flags
4288 elif $_cc 2>&1 | grep -q Intel; then
4290 _ident=$($_cc 2>&1 | head -n1)
4291 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
4292 # Not only is O3 broken on 13.x+ but it is slower on all previous
4293 # versions (tested) as well.
4295 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
4296 if $_cc 2>&1 | grep -q Linker; then
4303 _flags_filter=icl_flags
4305 _ld_path='-libpath:'
4306 # -Qdiag-error to make icl error when seeing certain unknown arguments
4307 _flags='-nologo -Qdiag-error:4044,10157'
4308 # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency
4309 # with MSVC which enables it by default.
4310 _cflags='-Qms0 -Qvec- -Qsimd- -GS -fp:precise'
4312 elif $_cc -? 2>/dev/null | grep -q 'LLVM.*Linker'; then
4313 # lld can emulate multiple different linkers; in ms link.exe mode,
4314 # the -? parameter gives the help output which contains an identifyable
4315 # string, while it gives an error in other modes.
4317 # The link.exe mode doesn't have a switch for getting the version,
4318 # but we can force it back to gnu mode and get the version from there.
4319 _ident=$($_cc -flavor gnu --version 2>/dev/null)
4321 _flags_filter=msvc_flags
4323 _ld_path='-libpath:'
4324 elif $_cc -nologo- 2>&1 | grep -q Microsoft; then
4326 _ident=$($_cc 2>&1 | head -n1 | tr -d '\r')
4327 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
4328 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
4332 if $_cc -nologo- 2>&1 | grep -q Linker; then
4339 _flags_filter=msvc_flags
4341 _ld_path='-libpath:'
4344 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
4346 _ident=$($_cc --version | head -n1)
4350 _flags_filter=cparser_flags
4353 eval ${pfx}_type=\$_type
4354 eval ${pfx}_ident=\$_ident
4358 eval ${1}_C=\${_cc_c-\${${1}_C}}
4359 eval ${1}_E=\${_cc_e-\${${1}_E}}
4360 eval ${1}_O=\${_cc_o-\${${1}_O}}
4362 if [ -n "$_depflags" ]; then
4363 eval ${1}_DEPFLAGS=\$_depflags
4365 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
4366 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
4367 eval DEP${1}FLAGS=\$_flags
4371 probe_cc cc "$cc" "true"
4372 cflags_filter=$_flags_filter
4373 cflags_speed=$_cflags_speed
4374 cflags_size=$_cflags_size
4375 cflags_noopt=$_cflags_noopt
4376 add_cflags $_flags $_cflags
4377 cc_ldflags=$_ldflags
4381 probe_cc hostcc "$host_cc"
4382 host_cflags_filter=$_flags_filter
4383 host_cflags_speed=$_cflags_speed
4384 add_host_cflags $_flags $_cflags
4387 test -n "$cc_type" && enable $cc_type ||
4388 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
4390 : ${as_default:=$cc}
4391 : ${objcc_default:=$cc}
4392 : ${dep_cc_default:=$cc}
4393 : ${ld_default:=$cc}
4394 : ${host_ld_default:=$host_cc}
4395 set_default ar as objcc dep_cc ld ln_s host_ld windres
4398 asflags_filter=$_flags_filter
4399 add_asflags $_flags $_cflags
4402 probe_cc objcc "$objcc"
4403 objcflags_filter=$_flags_filter
4404 add_objcflags $_flags $_cflags
4408 ldflags_filter=$_flags_filter
4409 add_ldflags $_flags $_ldflags
4410 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
4412 LD_LIB=${_ld_lib-$LD_LIB}
4413 LD_PATH=${_ld_path-$LD_PATH}
4415 probe_cc hostld "$host_ld"
4416 host_ldflags_filter=$_flags_filter
4417 add_host_ldflags $_flags $_ldflags
4418 HOSTLD_O=${_ld_o-$HOSTLD_O}
4420 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
4421 probe_cc depcc "$dep_cc"
4422 CCDEP=${_DEPCMD:-$DEPCMD}
4423 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
4427 if $ar 2>&1 | grep -q Microsoft; then
4430 elif $ar 2>&1 | grep -q "\[D\] "; then
4438 add_cflags $extra_cflags
4439 add_cxxflags $extra_cxxflags
4440 add_objcflags $extra_objcflags
4441 add_asflags $extra_cflags
4443 if test -n "$sysroot"; then
4446 add_cppflags --sysroot="$sysroot"
4447 add_ldflags --sysroot="$sysroot"
4452 if test "$cpu" = host; then
4453 enabled cross_compile &&
4454 die "--cpu=host makes no sense when cross-compiling."
4459 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
4461 s/.*$1=\\([^ ]*\\).*/\\1/
4466 cpu=$(check_native -march || check_native -mcpu)
4470 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
4471 sed -n "/cc1.*-target-cpu /{
4472 s/.*-target-cpu \\([^ ]*\\).*/\\1/
4477 cpu=$(check_native -march)
4481 test "${cpu:-host}" = host &&
4482 die "--cpu=host not supported with compiler $cc"
4485 # Deal with common $arch aliases
4509 "Power Macintosh"|ppc*|powerpc*)
4524 i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
4529 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
4532 # Add processor-specific flags
4533 if enabled aarch64; then
4537 cpuflags="-march=$cpu"
4540 cpuflags="-mcpu=$cpu"
4544 elif enabled alpha; then
4546 cpuflags="-mcpu=$cpu"
4548 elif enabled arm; then
4551 check_cpp_condition stddef.h \
4552 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
4557 if check_arm_arch 4; then echo armv4
4558 elif check_arm_arch 4T; then echo armv4t
4559 elif check_arm_arch 5; then echo armv5
4560 elif check_arm_arch 5E; then echo armv5e
4561 elif check_arm_arch 5T; then echo armv5t
4562 elif check_arm_arch 5TE; then echo armv5te
4563 elif check_arm_arch 5TEJ; then echo armv5te
4564 elif check_arm_arch 6; then echo armv6
4565 elif check_arm_arch 6J; then echo armv6j
4566 elif check_arm_arch 6K; then echo armv6k
4567 elif check_arm_arch 6Z; then echo armv6z
4568 elif check_arm_arch 6KZ; then echo armv6zk
4569 elif check_arm_arch 6ZK; then echo armv6zk
4570 elif check_arm_arch 6T2; then echo armv6t2
4571 elif check_arm_arch 7; then echo armv7
4572 elif check_arm_arch 7A 7_A; then echo armv7-a
4573 elif check_arm_arch 7S; then echo armv7-a
4574 elif check_arm_arch 7R 7_R; then echo armv7-r
4575 elif check_arm_arch 7M 7_M; then echo armv7-m
4576 elif check_arm_arch 7EM 7E_M; then echo armv7-m
4577 elif check_arm_arch 8A 8_A; then echo armv8-a
4581 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
4585 cpuflags="-march=$cpu"
4586 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
4589 cpuflags="-mcpu=$cpu"
4591 cortex-a*) subarch=armv7a ;;
4592 cortex-r*) subarch=armv7r ;;
4593 cortex-m*) enable thumb; subarch=armv7m ;;
4594 arm11*) subarch=armv6 ;;
4595 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
4596 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
4597 *) subarch=$(probe_arm_arch) ;;
4603 armv5t*) enable fast_clz ;;
4606 disabled fast_unaligned || enable fast_unaligned
4610 elif enabled avr32; then
4615 cpuflags="-mpart=$cpu"
4619 cpuflags="-march=$cpu"
4623 cpuflags="-mcpu=$cpu"
4627 cpuflags="-march=$cpu"
4631 elif enabled bfin; then
4633 cpuflags="-mcpu=$cpu"
4635 elif enabled mips; then
4637 cpuflags="-march=$cpu"
4639 if [ "$cpu" != "generic" ]; then
4649 24kc|24kf*|24kec|34kc|1004kc|24kef*|34kf*|1004kf*|74kc|74kf)
4660 enable local_aligned
4661 enable simd_align_16
4665 enable fast_unaligned
4666 disable aligned_stack
4672 cpuflags="-march=loongson3a -mhard-float -fno-expensive-optimizations"
4675 cpuflags="-march=loongson2e -mhard-float -fno-expensive-optimizations"
4678 cpuflags="-march=loongson2f -mhard-float -fno-expensive-optimizations"
4683 # Unknown CPU. Disable everything.
4684 warn "unknown CPU. Disabling all MIPS optimizations."
4707 24kef*|34kf*|1004kf*)
4715 check_cflags "-mtune=p5600" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops"
4719 check_cflags "-mtune=i6400 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64"
4723 check_cflags "-mtune=p6600 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64"
4727 # We do not disable anything. Is up to the user to disable the unwanted features.
4728 warn 'generic cpu selected'
4731 elif enabled ppc; then
4735 case $(tolower $cpu) in
4736 601|ppc601|powerpc601)
4737 cpuflags="-mcpu=601"
4740 603*|ppc603*|powerpc603*)
4741 cpuflags="-mcpu=603"
4744 604*|ppc604*|powerpc604*)
4745 cpuflags="-mcpu=604"
4748 g3|75*|ppc75*|powerpc75*)
4749 cpuflags="-mcpu=750"
4752 g4|745*|ppc745*|powerpc745*)
4753 cpuflags="-mcpu=7450"
4756 74*|ppc74*|powerpc74*)
4757 cpuflags="-mcpu=7400"
4760 g5|970|ppc970|powerpc970)
4761 cpuflags="-mcpu=970"
4765 cpuflags="-mcpu=$cpu"
4769 cpuflags="-mcpu=$cpu"
4772 cpuflags="-mcpu=cell"
4777 cpuflags="-mcpu=e500mc"
4781 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
4786 cpuflags="-mcpu=8540 -mhard-float"
4792 elif enabled sparc; then
4795 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
4796 cpuflags="-mcpu=$cpu"
4798 ultrasparc*|niagara[234])
4799 cpuflags="-mcpu=$cpu"
4803 elif enabled x86; then
4807 cpuflags="-march=$cpu"
4811 # targets that do NOT support nopl and conditional mov (cmov)
4812 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
4813 cpuflags="-march=$cpu"
4816 # targets that do support nopl and conditional mov (cmov)
4817 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\
4818 |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|skylake*|knl\
4819 |amdfam10|barcelona|b[dt]ver*|znver*)
4820 cpuflags="-march=$cpu"
4824 # targets that do support conditional mov but on which it's slow
4825 pentium4|pentium4m|prescott|nocona)
4826 cpuflags="-march=$cpu"
4834 if [ "$cpu" != generic ]; then
4835 add_cflags $cpuflags
4836 add_asflags $cpuflags
4837 test "$cc_type" = "$ld_type" && add_ldflags $cpuflags
4840 # compiler sanity check
4842 int main(void){ return 0; }
4844 if test "$?" != 0; then
4845 echo "$cc is unable to create an executable file."
4846 if test -z "$cross_prefix" && ! enabled cross_compile ; then
4847 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
4848 echo "Only do this if you know what cross compiling means."
4850 die "C compiler test failed."
4853 add_cppflags -D_ISOC99_SOURCE
4854 add_cxxflags -D__STDC_CONSTANT_MACROS
4855 check_cxxflags -std=c++11 || check_cxxflags -std=c++0x
4857 # some compilers silently accept -std=c11, so we also need to check that the
4858 # version macro is defined properly
4859 test_cflags_cc -std=c11 ctype.h "__STDC_VERSION__ >= 201112L" &&
4860 add_cflags -std=c11 ||
4861 check_cflags -std=c99
4863 check_cppflags -D_FILE_OFFSET_BITS=64
4864 check_cppflags -D_LARGEFILE_SOURCE
4866 add_host_cppflags -D_ISOC99_SOURCE
4867 check_host_cflags -std=c99
4868 check_host_cflags -Wall
4869 check_host_cflags $host_cflags_speed
4874 expr=${3:-'sizeof(void *) > 4'}
4875 check_code cc "" "int test[2*($expr) - 1]" &&
4876 subarch=$arch64 || subarch=$arch32
4882 enabled shared && enable_weak pic
4885 check_64bit mips mips64 '_MIPS_SIM > 1'
4886 enabled shared && enable_weak pic
4889 check_64bit parisc parisc64
4890 enabled shared && enable_weak pic
4893 check_64bit ppc ppc64
4894 enabled shared && enable_weak pic
4897 check_64bit s390 s390x
4898 enabled shared && enable_weak pic
4901 check_64bit sparc sparc64
4902 enabled shared && enable_weak pic
4905 check_64bit x86_32 x86_64
4906 # Treat x32 as x64 for now. Note it also needs pic if shared
4907 test "$subarch" = "x86_32" && check_cpp_condition stddef.h 'defined(__x86_64__)' &&
4908 subarch=x86_64 && enable x86_64 && disable x86_32
4909 if enabled x86_64; then
4910 enabled shared && enable_weak pic
4920 add_cppflags '-I\$(SRC_PATH)/compat/aix'
4921 enabled shared && add_ldflags -Wl,-brtl
4922 arflags='-Xany -r -c'
4926 enable section_data_rel_ro
4927 SLIB_INSTALL_NAME='$(SLIBNAME)'
4929 SHFLAGS='-shared -Wl,-soname,$(SLIBNAME)'
4932 prefix_default="/boot/common"
4933 network_extralibs="-lnetwork"
4937 SHFLAGS='-shared -Wl,-h,$$(@F)'
4938 enabled x86 && append SHFLAGS -mimpure-text
4939 network_extralibs="-lsocket -lnsl"
4940 add_cppflags -D__EXTENSIONS__
4941 # When using suncc to build, the Solaris linker will mark
4942 # an executable with each instruction set encountered by
4943 # the Solaris assembler. As our libraries contain their own
4944 # guards for processor-specific code, instead suppress
4945 # generation of the HWCAPS ELF section on Solaris x86 only.
4946 enabled_all suncc x86 &&
4947 echo "hwcap_1 = OVERRIDE;" > mapfile &&
4948 add_ldflags -Wl,-M,mapfile
4949 nm_default='nm -P -g'
4951 VERSION_SCRIPT_POSTPROCESS_CMD='perl $(SRC_PATH)/compat/solaris/make_sunver.pl - $(OBJS)'
4955 oss_indev_extralibs="-lossaudio"
4956 oss_outdev_extralibs="-lossaudio"
4957 enabled gcc || check_ldflags -Wl,-zmuldefs
4962 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
4964 oss_indev_extralibs="-lossaudio"
4965 oss_outdev_extralibs="-lossaudio"
4973 add_extralibs -lpoll -lgnugetopt
4977 enabled ppc && add_asflags -force_cpusubtype_ALL
4978 install_name_dir_default='$(SHLIBDIR)'
4979 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(INSTALL_NAME_DIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
4980 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
4982 add_ldflags -Wl,-dynamic,-search_paths_first
4983 check_cflags -Werror=partial-availability
4985 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
4986 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
4987 enabled x86_64 && objformat="macho64" || objformat="macho32"
4988 enabled_any pic shared x86_64 ||
4989 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
4990 check_header dispatch/dispatch.h &&
4991 add_cppflags '-I\$(SRC_PATH)/compat/dispatch_semaphore'
4992 if test -n "$sysroot"; then
4993 is_in -isysroot $cc $CPPFLAGS $CFLAGS || check_cppflags -isysroot $sysroot
4994 is_in -isysroot $ld $LDFLAGS || check_ldflags -isysroot $sysroot
4996 version_script='-exported_symbols_list'
4997 VERSION_SCRIPT_POSTPROCESS_CMD='tr " " "\n" | sed -n /global:/,/local:/p | grep ";" | tr ";" "\n" | sed -E "s/(.+)/_\1/g" | sed -E "s/(.+[^*])$$$$/\1*/"'
5000 die "Native MSYS builds are discouraged, please use the MINGW environment."
5005 if enabled x86_64; then
5006 LIBTARGET="i386:x86-64"
5007 elif enabled arm; then
5009 elif enabled aarch64; then
5012 if enabled shared; then
5013 # Cannot build both shared and static libs when using dllimport.
5016 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
5017 enabled x86_32 && check_ldflags -Wl,--large-address-aware
5018 shlibdir_default="$bindir_default"
5021 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
5022 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
5023 if check_cmd lib.exe -list; then
5024 SLIB_EXTRA_CMD=-'lib.exe -nologo -machine:$(LIBTARGET) -def:$$(@:$(SLIBSUF)=.def) -out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
5025 if enabled x86_64; then
5029 SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
5031 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
5033 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
5034 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
5035 SLIB_CREATE_DEF_CMD='EXTERN_PREFIX="$(EXTERN_PREFIX)" AR="$(AR_CMD)" NM="$(NM_CMD)" $(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
5036 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--disable-auto-image-base $$(@:$(SLIBSUF)=.def)'
5037 enabled x86_64 && objformat="win64" || objformat="win32"
5038 dlltool="${cross_prefix}dlltool"
5041 check_ldflags -Wl,--nxcompat,--dynamicbase
5042 # Lets work around some stupidity in binutils.
5043 # ld will strip relocations from executables even though we need them
5044 # for dynamicbase (ASLR). Using -pie does retain the reloc section
5045 # however ld then forgets what the entry point should be (oops) so we
5046 # have to manually (re)set it.
5047 if enabled x86_32; then
5048 disabled debug && add_ldexeflags -Wl,--pic-executable,-e,_mainCRTStartup
5049 elif enabled x86_64; then
5050 disabled debug && add_ldexeflags -Wl,--pic-executable,-e,mainCRTStartup
5051 check_ldflags -Wl,--high-entropy-va # binutils 2.25
5052 # Set image base >4GB for extra entropy with HEASLR
5053 add_ldexeflags -Wl,--image-base,0x140000000
5054 append SHFLAGS -Wl,--image-base,0x180000000
5059 if enabled shared; then
5060 # Link to the import library instead of the normal static library
5063 # Cannot build both shared and static libs with MSVC or icl.
5066 enabled x86_32 && check_ldflags -LARGEADDRESSAWARE
5067 shlibdir_default="$bindir_default"
5070 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
5071 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
5072 SLIB_CREATE_DEF_CMD='EXTERN_PREFIX="$(EXTERN_PREFIX)" $(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
5073 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
5075 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
5076 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
5077 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
5078 enabled x86_64 && objformat="win64" || objformat="win32"
5084 shlibdir_default="$bindir_default"
5087 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
5088 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
5089 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
5091 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
5092 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
5093 enabled x86_64 && objformat="win64" || objformat="win32"
5095 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
5096 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
5098 *-dos|freedos|opendos)
5099 network_extralibs="-lsocket"
5102 add_cppflags -U__STRICT_ANSI__
5105 enable section_data_rel_ro
5106 enabled_any arm aarch64 && enable_weak linux_perf
5110 ranlib="echo ignoring ranlib"
5116 add_cppflags -D_GNU_SOURCE
5117 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zhigh-mem -Zmap
5118 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
5122 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
5123 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(FULLNAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
5124 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(FULLNAME).def; \
5125 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(FULLNAME).def; \
5126 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(FULLNAME).def; \
5127 echo EXPORTS >> $(SUBDIR)$(FULLNAME).def; \
5128 emxexp $(OBJS) >> $(SUBDIR)$(FULLNAME).def'
5129 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(FULLNAME)_dll.a $(SUBDIR)$(FULLNAME).def; \
5130 emximp -o $(SUBDIR)$(LIBPREF)$(FULLNAME)_dll.lib $(SUBDIR)$(FULLNAME).def;'
5131 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
5133 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(FULLNAME)_dll.a $(LIBPREF)$(FULLNAME)_dll.lib'
5135 enable_weak os2threads
5138 add_cppflags -D_BSD_SOURCE
5143 add_cppflags -D_QNX_SOURCE
5144 network_extralibs="-lsocket"
5149 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
5150 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
5151 add_ldflags -Wl,--target1-abs,--no-undefined \
5152 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
5153 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
5154 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
5155 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
5156 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
5163 die "Unknown OS '$target_os'."
5167 # test if creating links works
5168 link_dest=$(mktemp -u $TMPDIR/dest_XXXXXXXX)
5169 link_name=$(mktemp -u $TMPDIR/name_XXXXXXXX)
5171 $ln_s "$link_dest" "$link_name"
5172 touch "$link_dest/test_file"
5173 if [ "$source_path" != "." ] && ([ ! -d src ] || [ -L src ]) && [ -e "$link_name/test_file" ]; then
5174 # create link to source path
5175 [ -e src ] && rm src
5176 $ln_s "$source_path" src
5179 # creating directory links doesn't work
5180 # fall back to using the full source path
5181 source_link="$source_path"
5187 # determine libc flavour
5192 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
5193 if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
5194 eval ${pfx}libc_type=uclibc
5195 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
5196 elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then
5197 eval ${pfx}libc_type=glibc
5198 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
5199 # MinGW headers can be installed on Cygwin, so check for newlib first.
5200 elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
5201 eval ${pfx}libc_type=newlib
5202 add_${pfx}cppflags -U__STRICT_ANSI__ -D_XOPEN_SOURCE=600
5203 # MinGW64 is backwards compatible with MinGW32, so check for it first.
5204 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
5205 eval ${pfx}libc_type=mingw64
5206 if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then
5207 add_compat msvcrt/snprintf.o
5208 add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
5210 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
5211 eval test \$${pfx_no_}cc_type = "gcc" &&
5212 add_${pfx}cppflags -D__printf__=__gnu_printf__
5213 check_${pfx}cpp_condition windows.h "!defined(_WIN32_WINNT) || _WIN32_WINNT < 0x0600" &&
5214 add_${pfx}cppflags -D_WIN32_WINNT=0x0600
5215 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" ||
5216 check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
5217 eval ${pfx}libc_type=mingw32
5218 check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
5219 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
5220 die "ERROR: MinGW32 runtime version must be >= 3.15."
5221 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
5222 check_${pfx}cpp_condition _mingw.h "__MSVCRT_VERSION__ < 0x0700" &&
5223 add_${pfx}cppflags -D__MSVCRT_VERSION__=0x0700
5224 check_${pfx}cpp_condition windows.h "!defined(_WIN32_WINNT) || _WIN32_WINNT < 0x0600" &&
5225 add_${pfx}cppflags -D_WIN32_WINNT=0x0600
5226 eval test \$${pfx_no_}cc_type = "gcc" &&
5227 add_${pfx}cppflags -D__printf__=__gnu_printf__
5228 elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
5229 eval ${pfx}libc_type=msvcrt
5230 if check_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then
5231 if [ "$pfx" = host_ ]; then
5232 add_host_cppflags -Dsnprintf=_snprintf
5234 add_compat strtod.o strtod=avpriv_strtod
5235 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
5236 _snprintf=avpriv_snprintf \
5237 vsnprintf=avpriv_vsnprintf
5240 add_${pfx}cppflags -D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS
5241 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
5242 # 0x601 by default unless something else is set by the user.
5243 # This can easily lead to us detecting functions only present
5244 # in such new versions and producing binaries requiring windows 7.0.
5245 # Therefore explicitly set the default to Vista unless the user has
5246 # set something else on the command line.
5247 # Don't do this if WINAPI_FAMILY is set and is set to a non-desktop
5248 # family. For these cases, configure is free to use any functions
5249 # found in the SDK headers by default. (Alternatively, we could force
5250 # _WIN32_WINNT to 0x0602 in that case.)
5251 check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||
5252 { check_${pfx}cpp <<EOF && add_${pfx}cppflags -D_WIN32_WINNT=0x0600; }
5253 #ifdef WINAPI_FAMILY
5254 #include <winapifamily.h>
5255 #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
5260 if [ "$pfx" = "" ]; then
5261 check_func strtoll || add_cflags -Dstrtoll=_strtoi64
5262 check_func strtoull || add_cflags -Dstrtoull=_strtoui64
5264 elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
5265 eval ${pfx}libc_type=klibc
5266 elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then
5267 eval ${pfx}libc_type=bionic
5268 elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then
5269 eval ${pfx}libc_type=solaris
5270 add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
5272 check_${pfx}cc <<EOF
5274 void *v = localtime_r;
5276 test "$?" != 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
5278 void *v = localtime_r;
5281 eval test -n "\${${pfx}libc_type}" && enable ${pfx}libc_${libc_type}
5287 # hacks for compiler/libc/os combinations
5291 add_compat strtod.o strtod=avpriv_strtod
5295 check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||
5296 add_cppflags '-I\$(SRC_PATH)/compat/float'
5298 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
5301 : ${shlibdir_default:="$libdir"}
5302 : ${pkgconfigdir_default:="$libdir/pkgconfig"}
5304 set_default $PATHS_LIST
5307 disabled optimizations || enabled ossfuzz || check_cflags -fomit-frame-pointer
5310 disabled pic && return
5313 case "$target_os" in
5314 mingw*|cygwin*|win*)
5323 enabled pic && enable_weak_pic
5325 check_cc <<EOF || die "Symbol mangling check failed."
5328 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
5329 extern_prefix=${sym%%ff_extern*}
5331 ! disabled inline_asm && check_inline_asm inline_asm '"" ::'
5333 for restrict_keyword in restrict __restrict__ __restrict ""; do
5334 check_cc <<EOF && break
5335 void foo(char * $restrict_keyword p);
5339 check_cc <<EOF && enable pragma_deprecated
5340 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
5343 check_cc <<EOF || die "endian test failed"
5344 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
5346 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
5348 check_cc <<EOF && enable const_nan
5350 void foo(void) { struct { double d; } static const bar[] = { { NAN } }; }
5353 if ! enabled ppc64 || enabled bigendian; then
5358 log "check_gas using '$as' as AS"
5359 # :vararg is used on aarch64, arm and ppc altivec
5360 check_as <<EOF || return 1
5361 .macro m n, y:vararg=0
5366 # .altmacro is only used in arm asm
5367 ! enabled arm || check_as <<EOF || return 1
5374 if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then
5376 enabled_any arm aarch64 && nogas=die
5377 enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn
5381 arm*) gaspp_as_type=armasm; as_noop=-h ;;
5382 gcc) gaspp_as_type=gas ;;
5383 *) gaspp_as_type=$as_type ;;
5386 [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"
5388 test "${as#*gas-preprocessor.pl}" != "$as" ||
5389 check_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- ${as:=$cc} $as_noop &&
5390 gas="${gas:=gas-preprocessor.pl} -arch $arch -as-type $gaspp_as_type -- ${as:=$cc}"
5392 if ! check_gas ; then
5395 $nogas "GNU assembler not found, install/update gas-preprocessor"
5398 check_as <<EOF && enable as_func
5404 check_inline_asm inline_asm_labels '"1:\n"'
5406 check_inline_asm inline_asm_nonlocal_labels '"Label:\n"'
5408 if enabled aarch64; then
5409 enabled armv8 && check_insn armv8 'prfm pldl1strm, [x0]'
5410 # internal assembler in clang 3.3 does not support this instruction
5411 enabled neon && check_insn neon 'ext v0.8B, v0.8B, v1.8B, #1'
5412 enabled vfp && check_insn vfp 'fmadd d0, d0, d1, d2'
5414 map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM
5416 elif enabled alpha; then
5420 elif enabled arm; then
5422 enabled msvc && check_cpp_condition stddef.h "defined _M_ARMT" && enable thumb
5424 check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb
5425 float func(float a, float b){ return a+b; }
5428 enabled thumb && check_cflags -mthumb || check_cflags -marm
5430 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
5432 elif check_cpp_condition stddef.h "defined _M_ARM_FP && _M_ARM_FP >= 30"; then
5434 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__" && [ $target_os != darwin ]; then
5435 case "${cross_prefix:-$cc}" in
5436 *hardfloat*) enable vfp_args; fpabi=vfp ;;
5437 *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
5438 __asm__ (".eabi_attribute 28, 1");
5439 int main(void) { return 0; }
5442 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
5445 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
5446 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
5447 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
5448 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
5449 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
5450 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
5451 enabled setend && check_insn setend 'setend be'
5453 [ $target_os = linux ] || [ $target_os = android ] ||
5454 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
5457 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
5459 check_as <<EOF && enable as_arch_directive
5462 check_as <<EOF && enable as_fpu_directive
5466 # llvm's integrated assembler supports .object_arch from llvm 3.5
5467 [ "$objformat" = elf32 ] || [ "$objformat" = elf64 ] &&
5468 check_as <<EOF && enable as_object_arch
5472 # MS armasm fails to assemble our PIC constructs
5473 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
5475 elif enabled mips; then
5477 enabled loongson2 && check_inline_asm loongson2 '"dmult.g $8, $9, $10"'
5478 enabled loongson3 && check_inline_asm loongson3 '"gsldxc1 $f0, 0($2, $3)"'
5479 enabled mmi && check_inline_asm mmi '"punpcklhw $f0, $f0, $f0"'
5481 # Enable minimum ISA based on selected options
5482 if enabled mips64; then
5483 enabled mips64r6 && check_inline_asm_flags mips64r6 '"dlsa $0, $0, $0, 1"' '-mips64r6'
5484 enabled mips64r2 && check_inline_asm_flags mips64r2 '"dext $0, $0, 0, 1"' '-mips64r2'
5485 disabled mips64r6 && disabled mips64r2 && check_inline_asm_flags mips64r1 '"daddi $0, $0, 0"' '-mips64'
5487 enabled mips32r6 && check_inline_asm_flags mips32r6 '"aui $0, $0, 0"' '-mips32r6'
5488 enabled mips32r5 && check_inline_asm_flags mips32r5 '"eretnc"' '-mips32r5'
5489 enabled mips32r2 && check_inline_asm_flags mips32r2 '"ext $0, $0, 0, 1"' '-mips32r2'
5490 disabled mips32r6 && disabled mips32r5 && disabled mips32r2 && check_inline_asm_flags mips32r1 '"addi $0, $0, 0"' '-mips32'
5493 enabled mipsfpu && check_inline_asm_flags mipsfpu '"cvt.d.l $f0, $f2"' '-mhard-float'
5494 enabled mipsfpu && (enabled mips32r5 || enabled mips32r6 || enabled mips64r6) && check_inline_asm_flags mipsfpu '"cvt.d.l $f0, $f1"' '-mfp64'
5495 enabled mipsfpu && enabled msa && check_inline_asm_flags msa '"addvi.b $w0, $w1, 1"' '-mmsa' && check_header msa.h || disable msa
5496 enabled mipsdsp && check_inline_asm_flags mipsdsp '"addu.qb $t0, $t1, $t2"' '-mdsp'
5497 enabled mipsdspr2 && check_inline_asm_flags mipsdspr2 '"absq_s.qb $t0, $t1"' '-mdspr2'
5499 if enabled bigendian && enabled msa; then
5503 elif enabled parisc; then
5505 if enabled gcc; then
5506 case $($cc -dumpversion) in
5507 4.[3-9].*) check_cflags -fno-optimize-sibling-calls ;;
5511 elif enabled ppc; then
5513 enable local_aligned
5515 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
5516 check_inline_asm ibm_asm '"add 0, 0, 0"'
5517 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
5518 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
5520 if enabled altivec; then
5521 check_cflags -maltivec -mabi=altivec
5523 # check if our compiler supports Motorola AltiVec C API
5524 check_code cc altivec.h "vector signed int v1 = (vector signed int) { 0 };
5525 vector signed int v2 = (vector signed int) { 1 };
5526 v1 = vec_add(v1, v2);" ||
5529 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
5532 if enabled vsx; then
5533 check_cflags -mvsx &&
5534 check_code cc altivec.h "int v[4] = { 0 };
5535 vector signed int v1 = vec_vsx_ld(0, v);" ||
5539 if enabled power8; then
5540 check_cpp_condition "altivec.h" "defined(_ARCH_PWR8)" || disable power8
5543 elif enabled x86; then
5545 check_builtin rdtsc intrin.h "__rdtsc()"
5546 check_builtin mm_empty mmintrin.h "_mm_empty()"
5548 enable local_aligned
5550 # check whether EBP is available on x86
5551 # As 'i' is stored on the stack, this program will crash
5552 # if the base pointer is used to access it because the
5553 # base pointer is cleared in the inline assembly code.
5554 check_exec_crash <<EOF && enable ebp_available
5556 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
5560 # check whether EBX is available on x86
5561 check_inline_asm ebx_available '""::"b"(0)' &&
5562 check_inline_asm ebx_available '"":::"%ebx"'
5564 # check whether xmm clobbers are supported
5565 check_inline_asm xmm_clobbers '"":::"%xmm0"'
5567 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' ||
5568 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"'
5570 # check whether binutils is new enough to compile SSSE3/MMXEXT
5571 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
5572 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
5576 if check_cmd $x86asmexe_probe -v; then
5577 x86asmexe=$x86asmexe_probe
5579 x86asm_debug="-g -F dwarf"
5581 X86ASM_DEPFLAGS='-MD $(@:.o=.d)'
5582 elif check_cmd $x86asmexe_probe --version; then
5583 x86asmexe=$x86asmexe_probe
5585 x86asm_debug="-g dwarf2"
5586 X86ASMDEP='$(DEPX86ASM) $(X86ASMFLAGS) -M $(X86ASM_O) $< > $(@:.o=.d)'
5589 check_x86asm "movbe ecx, [5]" && enable x86asm
5592 if ! disabled_any asm mmx x86asm; then
5594 for program in $x86asmexe nasm yasm; do
5595 probe_x86asm $program && break
5597 disabled x86asm && die "nasm/yasm not found or too old. Use --disable-x86asm for a crippled build."
5598 X86ASMFLAGS="-f $objformat"
5599 enabled pic && append X86ASMFLAGS "-DPIC"
5600 test -n "$extern_prefix" && append X86ASMFLAGS "-DPREFIX"
5601 case "$objformat" in
5602 elf*) enabled debug && append X86ASMFLAGS $x86asm_debug ;;
5605 check_x86asm "vmovdqa32 [eax]{k1}{z}, zmm0" || disable avx512_external
5606 check_x86asm "vextracti128 xmm0, ymm0, 0" || disable avx2_external
5607 check_x86asm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external
5608 check_x86asm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
5609 check_x86asm "CPU amdnop" || disable cpunop
5613 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
5620 check_code cc arm_neon.h "int16x8_t test = vdupq_n_s16(0)" && enable intrinsics_neon
5622 check_ldflags -Wl,--as-needed
5623 check_ldflags -Wl,-z,noexecstack
5625 if ! disabled network; then
5626 check_func getaddrinfo $network_extralibs
5627 check_func inet_aton $network_extralibs
5629 check_type netdb.h "struct addrinfo"
5630 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
5631 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
5632 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
5633 check_type poll.h "struct pollfd"
5634 check_type netinet/sctp.h "struct sctp_event_subscribe"
5635 check_struct "sys/socket.h" "struct msghdr" msg_flags
5636 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
5637 check_type netinet/in.h "struct sockaddr_in6"
5638 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
5639 check_type "sys/types.h sys/socket.h" socklen_t
5641 # Prefer arpa/inet.h over winsock2
5642 if check_header arpa/inet.h ; then
5643 check_func closesocket
5644 elif check_header winsock2.h ; then
5645 check_func_headers winsock2.h closesocket -lws2 &&
5646 network_extralibs="-lws2" ||
5647 { check_func_headers winsock2.h closesocket -lws2_32 &&
5648 network_extralibs="-lws2_32"; } || disable winsock2_h network
5649 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
5651 check_type ws2tcpip.h socklen_t
5652 check_type ws2tcpip.h "struct addrinfo"
5653 check_type ws2tcpip.h "struct group_source_req"
5654 check_type ws2tcpip.h "struct ip_mreq_source"
5655 check_type ws2tcpip.h "struct ipv6_mreq"
5656 check_type winsock2.h "struct pollfd"
5657 check_struct winsock2.h "struct sockaddr" sa_len
5658 check_type ws2tcpip.h "struct sockaddr_in6"
5659 check_type ws2tcpip.h "struct sockaddr_storage"
5665 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
5666 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
5667 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
5668 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
5669 check_builtin gmtime_r time.h "time_t *time; struct tm *tm; gmtime_r(time, tm)"
5670 check_builtin localtime_r time.h "time_t *time; struct tm *tm; localtime_r(time, tm)"
5671 check_builtin x264_csp_bgr "stdint.h x264.h" "X264_CSP_BGR"
5673 case "$custom_allocator" in
5675 # jemalloc by default does not use a prefix
5676 require libjemalloc jemalloc/jemalloc.h malloc -ljemalloc
5679 require_pkg_config libtcmalloc libtcmalloc gperftools/tcmalloc.h tc_malloc
5684 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
5685 check_func ${malloc_prefix}memalign && enable memalign
5686 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
5689 check_func_headers stdlib.h arc4random
5690 check_lib clock_gettime time.h clock_gettime || check_lib clock_gettime time.h clock_gettime -lrt
5693 check_func gethrtime
5695 check_func getrusage
5696 check_func gettimeofday
5701 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
5702 check_func_headers time.h nanosleep || check_lib nanosleep time.h nanosleep -lrt
5703 check_func sched_getaffinity
5704 check_func setrlimit
5705 check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE
5706 check_func strerror_r
5711 check_func_headers conio.h kbhit
5712 check_func_headers io.h setmode
5713 check_func_headers lzo/lzo1x.h lzo1x_999_compress
5714 check_func_headers mach/mach_time.h mach_absolute_time
5715 check_func_headers stdlib.h getenv
5716 check_func_headers sys/stat.h lstat
5718 check_func_headers windows.h GetProcessAffinityMask
5719 check_func_headers windows.h GetProcessTimes
5720 check_func_headers windows.h GetSystemTimeAsFileTime
5721 check_func_headers windows.h LoadLibrary
5722 check_func_headers windows.h MapViewOfFile
5723 check_func_headers windows.h PeekNamedPipe
5724 check_func_headers windows.h SetConsoleTextAttribute
5725 check_func_headers windows.h SetConsoleCtrlHandler
5726 check_func_headers windows.h Sleep
5727 check_func_headers windows.h VirtualAlloc
5728 check_func_headers glob.h glob
5730 check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext
5732 check_header direct.h
5733 check_header dirent.h
5734 check_header dxgidebug.h
5736 check_header dxva2api.h -D_WIN32_WINNT=0x0600
5738 check_header libcrystalhd/libcrystalhd_if.h
5739 check_header malloc.h
5740 check_header net/udplite.h
5742 check_header sys/param.h
5743 check_header sys/resource.h
5744 check_header sys/select.h
5745 check_header sys/time.h
5746 check_header sys/un.h
5747 check_header termios.h
5748 check_header unistd.h
5749 check_header valgrind/valgrind.h
5750 check_func_headers VideoToolbox/VTCompressionSession.h VTCompressionSessionPrepareToEncodeFrames -framework VideoToolbox
5751 check_header windows.h
5752 check_header X11/extensions/XvMClib.h
5753 check_header asm/types.h
5755 # it seems there are versions of clang in some distros that try to use the
5756 # gcc headers, which explodes for stdatomic
5757 # so we also check that atomics actually work here
5758 check_builtin stdatomic stdatomic.h "atomic_int foo, bar = ATOMIC_VAR_INIT(-1); atomic_store(&foo, 0)"
5760 check_lib advapi32 "windows.h" RegCloseKey -ladvapi32
5761 check_lib ole32 "windows.h" CoTaskMemFree -lole32
5762 check_lib shell32 "windows.h shellapi.h" CommandLineToArgvW -lshell32
5763 check_lib wincrypt "windows.h wincrypt.h" CryptGenRandom -ladvapi32
5764 check_lib psapi "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
5766 check_lib android android/native_window.h ANativeWindow_acquire -landroid
5767 check_lib mediandk "stdint.h media/NdkImage.h" AImage_delete -lmediandk
5768 check_lib camera2ndk "stdbool.h stdint.h camera/NdkCameraManager.h" ACameraManager_create -lcamera2ndk
5770 enabled appkit && check_apple_framework AppKit
5771 enabled audiotoolbox && check_apple_framework AudioToolbox
5772 enabled avfoundation && check_apple_framework AVFoundation
5773 enabled coreimage && check_apple_framework CoreImage
5774 enabled videotoolbox && check_apple_framework VideoToolbox
5776 check_apple_framework CoreFoundation
5777 check_apple_framework CoreMedia
5778 check_apple_framework CoreVideo
5780 enabled avfoundation && {
5781 disable coregraphics applicationservices
5782 check_lib coregraphics CoreGraphics/CoreGraphics.h CGGetActiveDisplayList "-framework CoreGraphics" ||
5783 check_lib applicationservices ApplicationServices/ApplicationServices.h CGGetActiveDisplayList "-framework ApplicationServices"; }
5785 enabled videotoolbox && {
5786 check_lib coreservices CoreServices/CoreServices.h UTGetOSTypeFromString "-framework CoreServices"
5787 check_func_headers CoreMedia/CMFormatDescription.h kCMVideoCodecType_HEVC "-framework CoreMedia"
5790 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
5792 check_type "windows.h dxva.h" "DXVA_PicParams_HEVC" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0
5793 check_type "windows.h dxva.h" "DXVA_PicParams_VP9" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0
5794 check_type "windows.h d3d11.h" "ID3D11VideoDecoder"
5795 check_type "windows.h d3d11.h" "ID3D11VideoContext"
5796 check_type "d3d9.h dxva2api.h" DXVA2_ConfigPictureDecode -D_WIN32_WINNT=0x0602
5798 check_type "va/va.h va/va_dec_hevc.h" "VAPictureParameterBufferHEVC"
5799 check_type "va/va.h va/va_dec_vp8.h" "VAPictureParameterBufferVP8"
5800 check_struct "va/va.h" "VADecPictureParameterBufferVP9" bit_depth
5801 check_type "va/va.h va/va_vpp.h" "VAProcPipelineParameterBuffer"
5802 check_type "va/va.h va/va_enc_h264.h" "VAEncPictureParameterBufferH264"
5803 check_type "va/va.h va/va_enc_hevc.h" "VAEncPictureParameterBufferHEVC"
5804 check_type "va/va.h va/va_enc_jpeg.h" "VAEncPictureParameterBufferJPEG"
5805 check_type "va/va.h va/va_enc_mpeg2.h" "VAEncPictureParameterBufferMPEG2"
5806 check_type "va/va.h va/va_enc_vp8.h" "VAEncPictureParameterBufferVP8"
5807 check_type "va/va.h va/va_enc_vp9.h" "VAEncPictureParameterBufferVP9"
5809 check_type "vdpau/vdpau.h" "VdpPictureInfoHEVC"
5811 if ! disabled ffnvcodec; then
5812 check_pkg_config ffnvcodec "ffnvcodec >= 8.0.14.1" \
5813 "ffnvcodec/nvEncodeAPI.h ffnvcodec/dynlink_cuda.h ffnvcodec/dynlink_cuviddec.h ffnvcodec/dynlink_nvcuvid.h" ""
5816 check_cpp_condition windows.h "!WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)" && enable winrt || disable winrt
5818 if ! disabled w32threads && ! enabled pthreads; then
5819 check_func_headers "windows.h process.h" _beginthreadex &&
5820 check_type "windows.h" CONDITION_VARIABLE &&
5821 enable w32threads || disable w32threads
5822 if ! enabled w32threads && enabled winrt; then
5823 check_func_headers "windows.h" CreateThread &&
5824 enable w32threads || disable w32threads
5828 # check for some common methods of building with pthread support
5829 # do this before the optional library checks as some of them require pthreads
5830 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
5831 if check_lib pthreads pthread.h pthread_join -pthread &&
5832 check_lib pthreads pthread.h pthread_create -pthread; then
5834 elif check_lib pthreads pthread.h pthread_join -pthreads &&
5835 check_lib pthreads pthread.h pthread_create -pthreads; then
5836 add_cflags -pthreads
5837 elif check_lib pthreads pthread.h pthread_join -ldl -pthread &&
5838 check_lib pthreads pthread.h pthread_create -ldl -pthread; then
5839 add_cflags -ldl -pthread
5840 elif check_lib pthreads pthread.h pthread_join -lpthreadGC2 &&
5841 check_lib pthreads pthread.h pthread_create -lpthreadGC2; then
5843 elif check_lib pthreads pthread.h pthread_join -lpthread &&
5844 check_lib pthreads pthread.h pthread_create -lpthread; then
5846 elif check_func pthread_join && check_func pthread_create; then
5849 check_code cc "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER" || disable pthreads
5851 if enabled pthreads; then
5852 check_builtin sem_timedwait semaphore.h "sem_t *s; sem_init(s,0,0); sem_timedwait(s,0); sem_destroy(s)" $pthreads_extralibs
5853 check_func pthread_cancel $pthreads_extralibs
5857 enabled zlib && check_lib zlib zlib.h zlibVersion -lz
5858 enabled bzlib && check_lib bzlib bzlib.h BZ2_bzlibVersion -lbz2
5859 enabled lzma && check_lib lzma lzma.h lzma_version_number -llzma
5861 # On some systems dynamic loading requires no extra linker flags
5862 check_lib libdl dlfcn.h "dlopen dlsym" || check_lib libdl dlfcn.h "dlopen dlsym" -ldl
5864 check_lib libm math.h sin -lm
5872 for func in $MATH_FUNCS; do
5873 eval check_mathfunc $func \${${func}_args:-1} $libm_extralibs
5876 for func in $COMPLEX_FUNCS; do
5877 eval check_complexfunc $func \${${func}_args:-1}
5880 # these are off by default, so fail if requested and not available
5881 enabled cuda_sdk && require cuda_sdk cuda.h cuCtxCreate -lcuda
5882 enabled chromaprint && require chromaprint chromaprint.h chromaprint_get_version -lchromaprint
5883 enabled decklink && { require_header DeckLinkAPI.h &&
5884 { check_cpp_condition DeckLinkAPIVersion.h "BLACKMAGIC_DECKLINK_API_VERSION >= 0x0a060100" || die "ERROR: Decklink API version must be >= 10.6.1."; } }
5885 enabled libndi_newtek && require_header Processing.NDI.Lib.h
5886 enabled frei0r && require_header frei0r.h
5887 enabled gmp && require gmp gmp.h mpz_export -lgmp
5888 enabled gnutls && require_pkg_config gnutls gnutls gnutls/gnutls.h gnutls_global_init
5889 enabled jni && { [ $target_os = "android" ] && check_header jni.h && enabled pthreads || die "ERROR: jni not found"; }
5890 enabled ladspa && require_header ladspa.h
5891 enabled lv2 && require_pkg_config lv2 lilv-0 "lilv-0/lilv/lilv.h" lilv_world_new
5892 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
5893 enabled libass && require_pkg_config libass libass ass/ass.h ass_library_init
5894 enabled libbluray && require_pkg_config libbluray libbluray libbluray/bluray.h bd_open
5895 enabled libbs2b && require_pkg_config libbs2b libbs2b bs2b.h bs2b_open
5896 enabled libcelt && require libcelt celt/celt.h celt_decode -lcelt0 &&
5897 { check_lib libcelt celt/celt.h celt_decoder_create_custom -lcelt0 ||
5898 die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
5899 enabled libcaca && require_pkg_config libcaca caca caca.h caca_create_canvas
5900 enabled libcodec2 && require libcodec2 codec2/codec2.h codec2_create -lcodec2
5901 enabled libdc1394 && require_pkg_config libdc1394 libdc1394-2 dc1394/dc1394.h dc1394_new
5902 enabled libdrm && require_pkg_config libdrm libdrm xf86drm.h drmGetVersion
5903 enabled libfdk_aac && { check_pkg_config libfdk_aac fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen ||
5904 { require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac &&
5905 warn "using libfdk without pkg-config"; } }
5906 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"
5907 enabled libflite && require libflite "flite/flite.h" flite_init $flite_extralibs
5908 enabled fontconfig && enable libfontconfig
5909 enabled libfontconfig && require_pkg_config libfontconfig fontconfig "fontconfig/fontconfig.h" FcInit
5910 enabled libfreetype && require_pkg_config libfreetype freetype2 "ft2build.h FT_FREETYPE_H" FT_Init_FreeType
5911 enabled libfribidi && require_pkg_config libfribidi fribidi fribidi.h fribidi_version_info
5912 enabled libgme && { check_pkg_config libgme libgme gme/gme.h gme_new_emu ||
5913 require libgme gme/gme.h gme_new_emu -lgme -lstdc++; }
5914 enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
5915 check_lib libgsm "${gsm_hdr}" gsm_create -lgsm && break;
5916 done || die "ERROR: libgsm not found"; }
5917 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc $pthreads_extralibs
5918 enabled libkvazaar && require_pkg_config libkvazaar "kvazaar >= 0.8.1" kvazaar.h kvz_api_get
5919 # While it may appear that require is being used as a pkg-config
5920 # fallback for libmfx, it is actually being used to detect a different
5921 # installation route altogether. If libmfx is installed via the Intel
5922 # Media SDK or Intel Media Server Studio, these don't come with
5923 # pkg-config support. Instead, users should make sure that the build
5924 # can find the libraries and headers through other means.
5925 enabled libmfx && { check_pkg_config libmfx libmfx "mfx/mfxvideo.h" MFXInit ||
5926 { require libmfx "mfx/mfxvideo.h" MFXInit "-llibmfx $advapi32_extralibs" && warn "using libmfx without pkg-config"; } }
5927 enabled libmodplug && require_pkg_config libmodplug libmodplug libmodplug/modplug.h ModPlug_Load
5928 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame $libm_extralibs
5929 enabled libmysofa && require libmysofa "mysofa.h" mysofa_load -lmysofa $zlib_extralibs
5930 enabled libnpp && { check_lib libnpp npp.h nppGetLibVersion -lnppig -lnppicc -lnppc ||
5931 check_lib libnpp npp.h nppGetLibVersion -lnppi -lnppc ||
5932 die "ERROR: libnpp not found"; }
5933 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
5934 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
5935 enabled libopencv && { check_header opencv2/core/core_c.h &&
5936 { check_pkg_config libopencv opencv opencv2/core/core_c.h cvCreateImageHeader ||
5937 require libopencv opencv2/core/core_c.h cvCreateImageHeader -lopencv_core -lopencv_imgproc; } ||
5938 require_pkg_config libopencv opencv opencv/cxcore.h cvCreateImageHeader; }
5939 enabled libopenh264 && require_pkg_config libopenh264 openh264 wels/codec_api.h WelsGetCodecVersion
5940 enabled libopenjpeg && { check_pkg_config libopenjpeg "libopenjp2 >= 2.1.0" openjpeg.h opj_version ||
5941 { require_pkg_config libopenjpeg "libopenjp2 >= 2.1.0" openjpeg.h opj_version -DOPJ_STATIC && add_cppflags -DOPJ_STATIC; } }
5942 enabled libopenmpt && require_pkg_config libopenmpt "libopenmpt >= 0.2.6557" libopenmpt/libopenmpt.h openmpt_module_create -lstdc++ && append libopenmpt_extralibs "-lstdc++"
5943 enabled libopus && {
5944 enabled libopus_decoder && {
5945 require_pkg_config libopus opus opus_multistream.h opus_multistream_decoder_create
5947 enabled libopus_encoder && {
5948 require_pkg_config libopus opus opus_multistream.h opus_multistream_surround_encoder_create
5951 enabled libpulse && require_pkg_config libpulse libpulse pulse/pulseaudio.h pa_context_new
5952 enabled librsvg && require_pkg_config librsvg librsvg-2.0 librsvg-2.0/librsvg/rsvg.h rsvg_handle_render_cairo
5953 enabled librtmp && require_pkg_config librtmp librtmp librtmp/rtmp.h RTMP_Socket
5954 enabled librubberband && require_pkg_config librubberband "rubberband >= 1.8.1" rubberband/rubberband-c.h rubberband_new -lstdc++ && append librubberband_extralibs "-lstdc++"
5955 enabled libshine && require_pkg_config libshine shine shine/layer3.h shine_encode_buffer
5956 enabled libsmbclient && { check_pkg_config libsmbclient smbclient libsmbclient.h smbc_init ||
5957 require libsmbclient libsmbclient.h smbc_init -lsmbclient; }
5958 enabled libsnappy && require libsnappy snappy-c.h snappy_compress -lsnappy -lstdc++
5959 enabled libsoxr && require libsoxr soxr.h soxr_create -lsoxr
5960 enabled libssh && require_pkg_config libssh libssh libssh/sftp.h sftp_init
5961 enabled libspeex && require_pkg_config libspeex speex speex/speex.h speex_decoder_init
5962 enabled libtesseract && require_pkg_config libtesseract tesseract tesseract/capi.h TessBaseAPICreate
5963 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
5964 enabled libtls && require_pkg_config libtls libtls tls.h tls_configure
5965 enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame &&
5966 { check_lib libtwolame twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
5967 die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
5968 enabled libv4l2 && require_pkg_config libv4l2 libv4l2 libv4l2.h v4l2_ioctl
5969 enabled libvidstab && require_pkg_config libvidstab "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit
5970 enabled libvmaf && require_pkg_config libvmaf "libvmaf >= 0.6.2" libvmaf.h compute_vmaf
5971 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
5972 enabled libvorbis && require_pkg_config libvorbis vorbis vorbis/codec.h vorbis_info_init &&
5973 require_pkg_config libvorbisenc vorbisenc vorbis/vorbisenc.h vorbis_encode_init
5976 enabled libvpx_vp8_decoder && {
5977 check_pkg_config libvpx_vp8_decoder "vpx >= 1.4.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp8_dx ||
5978 check_lib libvpx_vp8_decoder "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_dec_init_ver VPX_IMG_FMT_HIGHBITDEPTH" -lvpx ||
5979 die "ERROR: libvpx decoder version must be >=1.4.0";
5981 enabled libvpx_vp8_encoder && {
5982 check_pkg_config libvpx_vp8_encoder "vpx >= 1.4.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp8_cx ||
5983 check_lib libvpx_vp8_encoder "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VPX_IMG_FMT_HIGHBITDEPTH" -lvpx ||
5984 die "ERROR: libvpx encoder version must be >=1.4.0";
5986 enabled libvpx_vp9_decoder && {
5987 check_pkg_config libvpx_vp9_decoder "vpx >= 1.4.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx ||
5988 check_lib libvpx_vp9_decoder "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx VPX_IMG_FMT_HIGHBITDEPTH" "-lvpx $libm_extralibs"
5990 enabled libvpx_vp9_encoder && {
5991 check_pkg_config libvpx_vp9_encoder "vpx >= 1.4.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx ||
5992 check_lib libvpx_vp9_encoder "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VPX_IMG_FMT_HIGHBITDEPTH" "-lvpx $libm_extralibs"
5994 if disabled_all libvpx_vp8_decoder libvpx_vp9_decoder libvpx_vp8_encoder libvpx_vp9_encoder; then
5995 die "libvpx enabled but no supported decoders found"
5999 enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack
6000 enabled libwebp && {
6001 enabled libwebp_encoder && require_pkg_config libwebp "libwebp >= 0.2.0" webp/encode.h WebPGetEncoderVersion
6002 enabled libwebp_anim_encoder && check_pkg_config libwebp_anim_encoder "libwebpmux >= 0.4.0" webp/mux.h WebPAnimEncoderOptionsInit; }
6003 enabled libx264 && { check_pkg_config libx264 x264 "stdint.h x264.h" x264_encoder_encode ||
6004 { require libx264 "stdint.h x264.h" x264_encoder_encode "-lx264 $pthreads_extralibs $libm_extralibs" &&
6005 warn "using libx264 without pkg-config"; } } &&
6006 require_cpp_condition x264.h "X264_BUILD >= 118" &&
6007 { check_cpp_condition x264.h "X264_MPEG2" &&
6009 enabled libx265 && require_pkg_config libx265 x265 x265.h x265_api_get &&
6010 require_cpp_condition x265.h "X265_BUILD >= 68"
6011 enabled libxavs && require libxavs "stdint.h xavs.h" xavs_encoder_encode "-lxavs $pthreads_extralibs $libm_extralibs"
6012 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
6013 enabled libzimg && require_pkg_config libzimg "zimg >= 2.7.0" zimg.h zimg_get_api_version
6014 enabled libzmq && require_pkg_config libzmq libzmq zmq.h zmq_ctx_new
6015 enabled libzvbi && require_pkg_config libzvbi zvbi-0.2 libzvbi.h vbi_decoder_new &&
6016 { check_cpp_condition libzvbi.h "VBI_VERSION_MAJOR > 0 || VBI_VERSION_MINOR > 2 || VBI_VERSION_MINOR == 2 && VBI_VERSION_MICRO >= 28" ||
6017 enabled gpl || die "ERROR: libzvbi requires version 0.2.28 or --enable-gpl."; }
6018 enabled libxml2 && require_pkg_config libxml2 libxml-2.0 libxml2/libxml/xmlversion.h xmlCheckVersion
6019 enabled mediacodec && { enabled jni || die "ERROR: mediacodec requires --enable-jni"; }
6020 enabled mmal && { check_lib mmal interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ||
6021 { ! enabled cross_compile &&
6022 add_cflags -isystem/opt/vc/include/ -isystem/opt/vc/include/interface/vmcs_host/linux -isystem/opt/vc/include/interface/vcos/pthreads -fgnu89-inline &&
6023 add_ldflags -L/opt/vc/lib/ &&
6024 check_lib mmal interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host; } ||
6025 die "ERROR: mmal not found" &&
6026 check_func_headers interface/mmal/mmal.h "MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS"; }
6027 enabled openal && { { for al_extralibs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
6028 check_lib openal 'AL/al.h' alGetError "${al_extralibs}" && break; done } ||
6029 die "ERROR: openal not found"; } &&
6030 { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
6031 die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
6032 enabled opencl && { check_lib opencl OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||
6033 check_lib opencl CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||
6034 die "ERROR: opencl not found"; } &&
6035 { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||
6036 check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||
6037 die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }
6038 enabled opengl && { check_lib opengl GL/glx.h glXGetProcAddress "-lGL" ||
6039 check_lib opengl windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||
6040 check_lib opengl OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||
6041 check_lib opengl ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||
6042 die "ERROR: opengl not found."
6044 enabled omx && require_header OMX_Core.h
6045 enabled omx_rpi && { check_header OMX_Core.h ||
6046 { ! enabled cross_compile && add_cflags -isystem/opt/vc/include/IL && check_header OMX_Core.h ; } ||
6047 die "ERROR: OpenMAX IL headers not found"; } && enable omx
6048 enabled openssl && { check_pkg_config openssl openssl openssl/ssl.h OPENSSL_init_ssl ||
6049 check_pkg_config openssl openssl openssl/ssl.h SSL_library_init ||
6050 check_lib openssl openssl/ssl.h SSL_library_init -lssl -lcrypto ||
6051 check_lib openssl openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
6052 check_lib openssl openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
6053 die "ERROR: openssl not found"; }
6054 enabled rkmpp && { require_pkg_config rkmpp rockchip_mpp rockchip/rk_mpi.h mpp_create &&
6055 require_pkg_config rockchip_mpp "rockchip_mpp >= 1.3.7" rockchip/rk_mpi.h mpp_create &&
6057 die "ERROR: rkmpp requires --enable-libdrm"; }
6060 if enabled gcrypt; then
6061 GCRYPT_CONFIG="${cross_prefix}libgcrypt-config"
6062 if "${GCRYPT_CONFIG}" --version > /dev/null 2>&1; then
6063 gcrypt_cflags=$("${GCRYPT_CONFIG}" --cflags)
6064 gcrypt_extralibs=$("${GCRYPT_CONFIG}" --libs)
6065 check_func_headers gcrypt.h gcry_mpi_new $gcrypt_cflags $gcrypt_extralibs ||
6066 die "ERROR: gcrypt not found"
6067 add_cflags $gcrypt_cflags
6069 require gcrypt gcrypt.h gcry_mpi_new -lgcrypt
6073 if enabled sdl2; then
6074 SDL2_CONFIG="${cross_prefix}sdl2-config"
6075 test_pkg_config sdl2 "sdl2 >= 2.0.1 sdl2 < 2.1.0" SDL_events.h SDL_PollEvent
6076 if disabled sdl2 && "${SDL2_CONFIG}" --version > /dev/null 2>&1; then
6077 sdl2_cflags=$("${SDL2_CONFIG}" --cflags)
6078 sdl2_extralibs=$("${SDL2_CONFIG}" --libs)
6079 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x020001" $sdl2_cflags &&
6080 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x020100" $sdl2_cflags &&
6081 check_func_headers SDL_events.h SDL_PollEvent $sdl2_extralibs $sdl2_cflags &&
6084 if test $target_os = "mingw32"; then
6085 sdl2_extralibs=$(filter_out '-mwindows' $sdl2_extralibs)
6089 if enabled decklink; then
6091 mingw32*|mingw64*|win32|win64)
6092 decklink_outdev_extralibs="$decklink_outdev_extralibs -lole32 -loleaut32"
6093 decklink_indev_extralibs="$decklink_indev_extralibs -lole32 -loleaut32"
6098 enabled securetransport &&
6099 check_func SecIdentityCreate "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&
6100 check_lib securetransport "Security/SecureTransport.h Security/Security.h" "SSLCreateContext" "-Wl,-framework,CoreFoundation -Wl,-framework,Security" ||
6101 disable securetransport
6103 enabled securetransport &&
6104 check_func SecItemImport "-Wl,-framework,CoreFoundation -Wl,-framework,Security"
6107 check_func_headers "windows.h security.h" InitializeSecurityContext -DSECURITY_WIN32 -lsecur32 &&
6108 check_cpp_condition winerror.h "defined(SEC_I_CONTEXT_EXPIRED)" &&
6109 schannel_extralibs="-lsecur32" ||
6112 makeinfo --version > /dev/null 2>&1 && enable makeinfo || disable makeinfo
6114 && [ 0$(makeinfo --version | grep "texinfo" | sed 's/.*texinfo[^0-9]*\([0-9]*\)\..*/\1/') -ge 5 ] \
6115 && enable makeinfo_html || disable makeinfo_html
6116 disabled makeinfo_html && texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
6117 perl -v > /dev/null 2>&1 && enable perl || disable perl
6118 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
6119 rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout
6121 # check V4L2 codecs available in the API
6122 check_header linux/fb.h
6123 check_header linux/videodev2.h
6124 check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_sanitized struct_v4l2_frmivalenum_discrete
6125 check_code cc linux/videodev2.h "int i = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_VIDEO_M2M | V4L2_BUF_FLAG_LAST;" || disable v4l2_m2m
6126 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_VC1_ANNEX_G;" && enable vc1_v4l2_m2m
6127 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG1;" && enable mpeg1_v4l2_m2m
6128 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG2;" && enable mpeg2_v4l2_m2m
6129 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG4;" && enable mpeg4_v4l2_m2m
6130 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_HEVC;" && enable hevc_v4l2_m2m
6131 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_H263;" && enable h263_v4l2_m2m
6132 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_H264;" && enable h264_v4l2_m2m
6133 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_VP8;" && enable vp8_v4l2_m2m
6134 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_VP9;" && enable vp9_v4l2_m2m
6136 check_header sys/videoio.h
6137 check_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_sanitized struct_v4l2_frmivalenum_discrete
6139 check_lib user32 "windows.h winuser.h" GetShellWindow -luser32
6140 check_lib vfw32 "windows.h vfw.h" capCreateCaptureWindow -lvfw32
6141 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
6142 # w32api 3.12 had it defined wrong
6143 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
6145 check_type "dshow.h" IBaseFilter
6147 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
6148 check_header "dev/bktr/ioctl_meteor.h dev/bktr/ioctl_bt848.h" ||
6149 check_header "machine/ioctl_meteor.h machine/ioctl_bt848.h" ||
6150 check_header "dev/video/meteor/ioctl_meteor.h dev/video/bktr/ioctl_bt848.h" ||
6151 check_header "dev/ic/bt8xx.h"
6153 if check_struct sys/soundcard.h audio_buf_info bytes; then
6154 enable_sanitized sys/soundcard.h
6156 check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_sanitized sys/soundcard.h
6157 #include <sys/soundcard.h>
6162 enabled alsa && check_pkg_config alsa alsa "alsa/asoundlib.h" snd_pcm_htimestamp ||
6163 check_lib alsa alsa/asoundlib.h snd_pcm_htimestamp -lasound
6166 require_pkg_config libjack jack jack/jack.h jack_port_get_latency_range
6168 enabled sndio && check_lib sndio sndio.h sio_open -lsndio
6170 if enabled libcdio; then
6171 check_pkg_config libcdio libcdio_paranoia "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open ||
6172 check_pkg_config libcdio libcdio_paranoia "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open ||
6173 check_lib libcdio "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
6174 check_lib libcdio "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
6175 die "ERROR: No usable libcdio/cdparanoia found"
6178 enabled libxcb && check_pkg_config libxcb "xcb >= 1.4" xcb/xcb.h xcb_connect ||
6179 disable libxcb_shm libxcb_shape libxcb_xfixes
6181 if enabled libxcb; then
6182 enabled libxcb_shm && check_pkg_config libxcb_shm xcb-shm xcb/shm.h xcb_shm_attach
6183 enabled libxcb_shape && check_pkg_config libxcb_shape xcb-shape xcb/shape.h xcb_shape_get_rectangles
6184 enabled libxcb_xfixes && check_pkg_config libxcb_xfixes xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image
6187 check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs"
6189 # d3d11va requires linking directly to dxgi and d3d11 if not building for
6190 # the desktop api partition
6191 check_cpp <<EOF && enable uwp && d3d11va_extralibs="-ldxgi -ld3d11"
6192 #ifdef WINAPI_FAMILY
6193 #include <winapifamily.h>
6194 #if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
6195 #error desktop, not uwp
6197 // WINAPI_FAMILY_APP, WINAPI_FAMILY_PHONE_APP => UWP
6200 #error no family set
6205 check_lib vaapi va/va.h vaInitialize -lva
6208 check_code cc "va/va.h" "vaCreateSurfaces(0, 0, 0, 0, 0, 0, 0, 0)" ||
6212 check_lib vaapi_drm "va/va.h va/va_drm.h" vaGetDisplayDRM -lva -lva-drm
6215 check_lib vaapi_x11 "va/va.h va/va_x11.h" vaGetDisplay -lva -lva-x11 -lX11
6218 check_cpp_condition "va/va.h" "VA_CHECK_VERSION(1, 0, 0)" &&
6221 if enabled_all opencl vaapi ; then
6222 check_type "CL/cl_intel.h" "clCreateImageFromFdINTEL_fn" &&
6223 enable opencl_vaapi_beignet
6224 if enabled libmfx ; then
6225 check_type "CL/cl.h CL/va_ext.h" "clCreateFromVA_APIMediaSurfaceINTEL_fn" &&
6226 enable opencl_vaapi_intel_media
6230 if enabled_all opencl dxva2 ; then
6231 check_type "CL/cl_dx9_media_sharing.h" cl_dx9_surface_info_khr &&
6235 if enabled_all opencl d3d11va ; then
6236 check_type "CL/cl_d3d11.h" clGetDeviceIDsFromD3D11KHR_fn &&
6240 if enabled_all opencl libdrm ; then
6241 check_func_headers "CL/cl_ext.h" clImportMemoryARM &&
6242 enable opencl_drm_arm
6246 check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
6250 check_lib vdpau_x11 "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau -lX11
6252 enabled crystalhd && check_lib crystalhd "stdint.h libcrystalhd/libcrystalhd_if.h" DtsCrystalHDVersion -lcrystalhd
6254 if enabled x86; then
6256 mingw32*|mingw64*|win32|win64|linux|cygwin*)
6259 disable ffnvcodec cuvid nvdec nvenc
6263 disable ffnvcodec cuvid nvdec nvenc
6266 enabled ffnvcodec && enable cuda
6269 check_cc -I$source_path <<EOF || disable nvenc
6270 #include <ffnvcodec/nvEncodeAPI.h>
6271 NV_ENCODE_API_FUNCTION_LIST flist;
6272 void f(void) { struct { const GUID guid; } s[] = { { NV_ENC_PRESET_HQ_GUID } }; }
6273 int main(void) { return 0; }
6277 check_cpp_condition "AMF/core/Version.h" \
6278 "(AMF_VERSION_MAJOR << 48 | AMF_VERSION_MINOR << 32 | AMF_VERSION_RELEASE << 16 | AMF_VERSION_BUILD_NUM) >= 0x0001000400040001" ||
6281 # Funny iconv installations are not unusual, so check it after all flags have been set
6282 if enabled libc_iconv; then
6283 check_func_headers iconv.h iconv
6284 elif enabled iconv; then
6285 check_func_headers iconv.h iconv || check_lib iconv iconv.h iconv -liconv
6288 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
6290 # add some useful compiler flags if supported
6291 check_cflags -Wdeclaration-after-statement
6293 check_cflags -Wdisabled-optimization
6294 check_cflags -Wpointer-arith
6295 check_cflags -Wredundant-decls
6296 check_cflags -Wwrite-strings
6297 check_cflags -Wtype-limits
6298 check_cflags -Wundef
6299 check_cflags -Wmissing-prototypes
6300 check_cflags -Wno-pointer-to-int-cast
6301 check_cflags -Wstrict-prototypes
6302 check_cflags -Wempty-body
6304 if enabled extra_warnings; then
6305 check_cflags -Wcast-qual
6306 check_cflags -Wextra
6307 check_cflags -Wpedantic
6310 check_disable_warning(){
6311 warning_flag=-W${1#-Wno-}
6312 test_cflags $unknown_warning_flags $warning_flag && add_cflags $1
6315 test_cflags -Werror=unused-command-line-argument &&
6316 append unknown_warning_flags "-Werror=unused-command-line-argument"
6317 test_cflags -Werror=unknown-warning-option &&
6318 append unknown_warning_flags "-Werror=unknown-warning-option"
6320 check_disable_warning -Wno-parentheses
6321 check_disable_warning -Wno-switch
6322 check_disable_warning -Wno-format-zero-length
6323 check_disable_warning -Wno-pointer-sign
6324 check_disable_warning -Wno-unused-const-variable
6325 check_disable_warning -Wno-bool-operation
6327 check_disable_warning_headers(){
6328 warning_flag=-W${1#-Wno-}
6329 test_cflags $warning_flag && add_cflags_headers $1
6332 check_disable_warning_headers -Wno-deprecated-declarations
6333 check_disable_warning_headers -Wno-unused-variable
6335 check_cc <<EOF && enable blocks_extension
6336 void (^block)(void);
6339 # add some linker flags
6340 check_ldflags -Wl,--warn-common
6341 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
6342 enabled rpath && add_ldexeflags -Wl,-rpath,$libdir && add_ldsoflags -Wl,-rpath,$libdir
6343 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
6345 # add some strip flags
6348 enabled neon_clobber_test &&
6349 check_ldflags -Wl,--wrap,avcodec_open2 \
6350 -Wl,--wrap,avcodec_decode_audio4 \
6351 -Wl,--wrap,avcodec_decode_video2 \
6352 -Wl,--wrap,avcodec_decode_subtitle2 \
6353 -Wl,--wrap,avcodec_encode_audio2 \
6354 -Wl,--wrap,avcodec_encode_video2 \
6355 -Wl,--wrap,avcodec_encode_subtitle \
6356 -Wl,--wrap,avcodec_send_packet \
6357 -Wl,--wrap,avcodec_receive_packet \
6358 -Wl,--wrap,avcodec_send_frame \
6359 -Wl,--wrap,avcodec_receive_frame \
6360 -Wl,--wrap,swr_convert \
6361 -Wl,--wrap,avresample_convert ||
6362 disable neon_clobber_test
6364 enabled xmm_clobber_test &&
6365 check_ldflags -Wl,--wrap,avcodec_open2 \
6366 -Wl,--wrap,avcodec_decode_audio4 \
6367 -Wl,--wrap,avcodec_decode_video2 \
6368 -Wl,--wrap,avcodec_decode_subtitle2 \
6369 -Wl,--wrap,avcodec_encode_audio2 \
6370 -Wl,--wrap,avcodec_encode_video2 \
6371 -Wl,--wrap,avcodec_encode_subtitle \
6372 -Wl,--wrap,avcodec_send_packet \
6373 -Wl,--wrap,avcodec_receive_packet \
6374 -Wl,--wrap,avcodec_send_frame \
6375 -Wl,--wrap,avcodec_receive_frame \
6376 -Wl,--wrap,swr_convert \
6377 -Wl,--wrap,avresample_convert \
6378 -Wl,--wrap,sws_scale ||
6379 disable xmm_clobber_test
6381 check_ld "cc" <<EOF && enable proper_dce
6382 extern const int array[512];
6383 static inline int func(void) { return array[0]; }
6384 int main(void) { return 0; }
6387 if enabled proper_dce; then
6388 echo "X { local: *; };" > $TMPV
6389 if test_ldflags -Wl,${version_script},$TMPV; then
6390 append SHFLAGS '-Wl,${version_script},\$(SUBDIR)lib\$(NAME).ver'
6392 check_cc <<EOF && enable symver_asm_label
6393 void ff_foo(void) __asm__ ("av_foo@VERSION");
6394 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
6396 check_cc <<EOF && enable symver_gnu_asm
6397 __asm__(".symver ff_foo,av_foo@VERSION");
6398 void ff_foo(void) {}
6403 if [ -z "$optflags" ]; then
6404 if enabled small; then
6405 optflags=$cflags_size
6406 elif enabled optimizations; then
6407 optflags=$cflags_speed
6409 optflags=$cflags_noopt
6413 if [ -z "$nvccflags" ]; then
6414 nvccflags=$nvccflags_default
6417 if enabled x86_64 || enabled ppc64 || enabled aarch64; then
6418 nvccflags="$nvccflags -m64"
6420 nvccflags="$nvccflags -m32"
6425 enabled lto && check_ldflags "$@"
6428 check_optflags $optflags
6429 check_optflags -fno-math-errno
6430 check_optflags -fno-signed-zeros
6432 if enabled lto; then
6433 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
6435 check_ldflags -flto $cpuflags
6436 disable inline_asm_direct_symbol_refs
6439 enabled ftrapv && check_cflags -ftrapv
6441 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
6446 if enabled icc; then
6447 # Just warnings, no remarks
6449 # -wd: Disable following warnings
6450 # 144, 167, 556: -Wno-pointer-sign
6451 # 188: enumerated type mixed with another type
6452 # 1292: attribute "foo" ignored
6453 # 1419: external declaration in primary source file
6454 # 10006: ignoring unknown option -fno-signed-zeros
6455 # 10148: ignoring unknown option -Wno-parentheses
6456 # 10156: ignoring option '-W'; no argument required
6457 # 13200: No EMMS instruction before call to function
6458 # 13203: No EMMS instruction before return from function
6459 check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156,13200,13203
6460 # 11030: Warning unknown option --as-needed
6461 # 10156: ignoring option '-export'; no argument required
6462 check_ldflags -wd10156,11030
6463 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
6464 enable ebp_available
6465 # The test above does not test linking
6466 enabled lto && disable symver_asm_label
6467 if enabled x86_32; then
6468 icc_version=$($cc -dumpversion)
6469 test ${icc_version%%.*} -ge 11 &&
6470 check_cflags -falign-stack=maintain-16-byte ||
6471 disable aligned_stack
6473 elif enabled gcc; then
6474 check_optflags -fno-tree-vectorize
6475 check_cflags -Werror=format-security
6476 check_cflags -Werror=implicit-function-declaration
6477 check_cflags -Werror=missing-prototypes
6478 check_cflags -Werror=return-type
6479 check_cflags -Werror=vla
6480 check_cflags -Wformat
6481 check_cflags -fdiagnostics-color=auto
6482 enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized
6483 elif enabled llvm_gcc; then
6484 check_cflags -mllvm -stack-alignment=16
6485 elif enabled clang; then
6486 check_cflags -mllvm -stack-alignment=16
6487 check_cflags -mstack-alignment=16
6488 check_cflags -Qunused-arguments
6489 check_cflags -Werror=implicit-function-declaration
6490 check_cflags -Werror=missing-prototypes
6491 check_cflags -Werror=return-type
6492 elif enabled cparser; then
6493 add_cflags -Wno-missing-variable-declarations
6494 add_cflags -Wno-empty-statement
6495 elif enabled armcc; then
6496 add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat
6497 add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir
6498 # 2523: use of inline assembly is deprecated
6499 add_cflags -W${armcc_opt},--diag_suppress=2523
6500 add_cflags -W${armcc_opt},--diag_suppress=1207
6501 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
6502 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
6503 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
6504 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
6505 elif enabled pathscale; then
6506 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
6508 elif enabled_any msvc icl; then
6509 enabled x86_32 && disable aligned_stack
6510 enabled_all x86_32 debug && add_cflags -Oy-
6511 enabled debug && add_ldflags -debug
6512 enable pragma_deprecated
6513 if enabled icl; then
6514 # -Qansi-alias is basically -fstrict-aliasing, but does not work
6515 # (correctly) on icl 13.x.
6516 check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&
6517 add_cflags -Qansi-alias
6518 # Some inline asm is not compilable in debug
6519 if enabled debug; then
6520 disable ebp_available
6521 disable ebx_available
6524 # msvcrt10 x64 incorrectly enables log2, only msvcrt12 (MSVC 2013) onwards actually has log2.
6525 check_cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION >= 12" || disable log2
6526 # The CRT headers contain __declspec(restrict) in a few places, but if redefining
6527 # restrict, this might break. MSVC 2010 and 2012 fail with __declspec(__restrict)
6528 # (as it ends up if the restrict redefine is done before including stdlib.h), while
6529 # MSVC 2013 and newer can handle it fine.
6530 # If this declspec fails, force including stdlib.h before the restrict redefinition
6531 # happens in config.h.
6532 if [ $restrict_keyword != restrict ]; then
6533 check_cc <<EOF || add_cflags -FIstdlib.h
6534 __declspec($restrict_keyword) void *foo(int);
6537 # the new SSA optimzer in VS2015 U3 is mis-optimizing some parts of the code
6538 # Issue has been fixed in MSVC v19.00.24218.
6539 check_cpp_condition windows.h "_MSC_FULL_VER >= 190024218" ||
6540 check_cflags -d2SSAOptimizer-
6541 # enable utf-8 source processing on VS2015 U2 and newer
6542 check_cpp_condition windows.h "_MSC_FULL_VER >= 190023918" &&
6546 for pfx in "" host_; do
6547 varname=${pfx%_}cc_type
6548 eval "type=\$$varname"
6549 if [ "$type" = "msvc" ]; then
6550 check_${pfx}cc <<EOF || add_${pfx}cflags -Dinline=__inline
6551 static inline int foo(int a) { return a; }
6558 add_asflags -Qunused-arguments
6564 check_ldflags -Qunused-arguments
6568 enable frame_thread_encoder
6570 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
6572 check_deps $CONFIG_LIST \
6577 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"
6578 enabled avresample && warn "Building with deprecated library libavresample"
6580 if test $target_os = "haiku"; then
6582 disable posix_memalign
6585 flatten_extralibs(){
6586 unset nested_entries
6589 for entry in $list; do
6592 append nested_entries $(filter '*_extralibs' $entry_copy)
6593 flat_entries=$(filter_out '*_extralibs' $entry_copy)
6594 eval $entry="\$flat_entries"
6596 append $list_name "$nested_entries"
6598 resolve nested_entries
6599 if test -n "$(filter '*_extralibs' $nested_entries)"; then
6600 flatten_extralibs $list_name
6604 flatten_extralibs_wrapper(){
6606 flatten_extralibs $list_name
6609 eval $list_name=\$\(\$ldflags_filter \$$list_name\)
6610 eval printf \''%s'\' \""\$$list_name"\"
6613 for linkunit in $LIBRARY_LIST; do
6614 unset current_extralibs
6615 eval components=\$$(toupper ${linkunit})_COMPONENTS_LIST
6616 for comp in ${components}; do
6617 enabled $comp || continue
6618 comp_extralibs="${comp}_extralibs"
6619 append current_extralibs $comp_extralibs
6621 eval prepend ${linkunit}_extralibs $current_extralibs
6624 for linkunit in $LIBRARY_LIST $PROGRAM_LIST $EXTRALIBS_LIST; do
6625 eval ${linkunit}_extralibs=\$\(flatten_extralibs_wrapper ${linkunit}_extralibs\)
6628 map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST
6630 for thread in $THREADS_LIST; do
6631 if enabled $thread; then
6632 test -n "$thread_type" &&
6633 die "ERROR: Only one thread type must be selected." ||
6634 thread_type="$thread"
6638 if disabled stdatomic; then
6639 if enabled atomics_gcc; then
6640 add_cppflags '-I\$(SRC_PATH)/compat/atomics/gcc'
6641 elif enabled atomics_win32; then
6642 add_cppflags '-I\$(SRC_PATH)/compat/atomics/win32'
6643 elif enabled atomics_suncc; then
6644 add_cppflags '-I\$(SRC_PATH)/compat/atomics/suncc'
6645 elif enabled pthreads; then
6646 add_compat atomics/pthread/stdatomic.o
6647 add_cppflags '-I\$(SRC_PATH)/compat/atomics/pthread'
6649 enabled threads && die "Threading is enabled, but no atomics are available"
6650 add_cppflags '-I\$(SRC_PATH)/compat/atomics/dummy'
6654 # Check if requested libraries were found.
6655 for lib in $AUTODETECT_LIBS; do
6656 requested $lib && ! enabled $lib && die "ERROR: $lib requested but not found";
6659 enabled zlib && add_cppflags -DZLIB_CONST
6661 # conditional library dependencies, in linking order
6662 enabled afftfilt_filter && prepend avfilter_deps "avcodec"
6663 enabled afir_filter && prepend avfilter_deps "avcodec"
6664 enabled amovie_filter && prepend avfilter_deps "avformat avcodec"
6665 enabled aresample_filter && prepend avfilter_deps "swresample"
6666 enabled atempo_filter && prepend avfilter_deps "avcodec"
6667 enabled cover_rect_filter && prepend avfilter_deps "avformat avcodec"
6668 enabled convolve_filter && prepend avfilter_deps "avcodec"
6669 enabled deconvolve_filter && prepend avfilter_deps "avcodec"
6670 enabled ebur128_filter && enabled swresample && prepend avfilter_deps "swresample"
6671 enabled elbg_filter && prepend avfilter_deps "avcodec"
6672 enabled fftfilt_filter && prepend avfilter_deps "avcodec"
6673 enabled find_rect_filter && prepend avfilter_deps "avformat avcodec"
6674 enabled firequalizer_filter && prepend avfilter_deps "avcodec"
6675 enabled mcdeint_filter && prepend avfilter_deps "avcodec"
6676 enabled movie_filter && prepend avfilter_deps "avformat avcodec"
6677 enabled pan_filter && prepend avfilter_deps "swresample"
6678 enabled pp_filter && prepend avfilter_deps "postproc"
6679 enabled removelogo_filter && prepend avfilter_deps "avformat avcodec swscale"
6680 enabled resample_filter && prepend avfilter_deps "avresample"
6681 enabled sab_filter && prepend avfilter_deps "swscale"
6682 enabled scale_filter && prepend avfilter_deps "swscale"
6683 enabled scale2ref_filter && prepend avfilter_deps "swscale"
6684 enabled sofalizer_filter && prepend avfilter_deps "avcodec"
6685 enabled showcqt_filter && prepend avfilter_deps "avformat avcodec swscale"
6686 enabled showfreqs_filter && prepend avfilter_deps "avcodec"
6687 enabled showspectrum_filter && prepend avfilter_deps "avcodec"
6688 enabled signature_filter && prepend avfilter_deps "avcodec avformat"
6689 enabled smartblur_filter && prepend avfilter_deps "swscale"
6690 enabled spectrumsynth_filter && prepend avfilter_deps "avcodec"
6691 enabled spp_filter && prepend avfilter_deps "avcodec"
6692 enabled subtitles_filter && prepend avfilter_deps "avformat avcodec"
6693 enabled uspp_filter && prepend avfilter_deps "avcodec"
6694 enabled zoompan_filter && prepend avfilter_deps "swscale"
6696 enabled lavfi_indev && prepend avdevice_deps "avfilter"
6699 enabled sdl2_outdev && add_cflags $(filter_out '-Dmain=SDL_main' $sdl2_cflags)
6701 enabled opus_decoder && prepend avcodec_deps "swresample"
6705 eval "deps=\$$lib_deps"
6706 append $lib_deps $(map 'eval echo \$${v}_deps' $deps)
6710 #we have to remove gpl from the deps here as some code assumes all lib deps are libs
6711 postproc_deps="$(filter_out 'gpl' $postproc_deps)"
6713 map 'expand_deps $v' $LIBRARY_LIST
6715 if test "$quiet" != "yes"; then
6717 echo "install prefix $prefix"
6718 echo "source path $source_path"
6719 echo "C compiler $cc"
6720 echo "C library $libc_type"
6721 if test "$host_cc" != "$cc"; then
6722 echo "host C compiler $host_cc"
6723 echo "host C library $host_libc_type"
6725 echo "ARCH $arch ($cpu)"
6726 if test "$build_suffix" != ""; then
6727 echo "build suffix $build_suffix"
6729 if test "$progs_suffix" != ""; then
6730 echo "progs suffix $progs_suffix"
6732 if test "$extra_version" != ""; then
6733 echo "version string suffix $extra_version"
6735 echo "big-endian ${bigendian-no}"
6736 echo "runtime cpu detection ${runtime_cpudetect-no}"
6737 if enabled x86; then
6738 echo "standalone assembly ${x86asm-no}"
6739 echo "x86 assembler ${x86asmexe}"
6740 echo "MMX enabled ${mmx-no}"
6741 echo "MMXEXT enabled ${mmxext-no}"
6742 echo "3DNow! enabled ${amd3dnow-no}"
6743 echo "3DNow! extended enabled ${amd3dnowext-no}"
6744 echo "SSE enabled ${sse-no}"
6745 echo "SSSE3 enabled ${ssse3-no}"
6746 echo "AESNI enabled ${aesni-no}"
6747 echo "AVX enabled ${avx-no}"
6748 echo "AVX2 enabled ${avx2-no}"
6749 echo "AVX-512 enabled ${avx512-no}"
6750 echo "XOP enabled ${xop-no}"
6751 echo "FMA3 enabled ${fma3-no}"
6752 echo "FMA4 enabled ${fma4-no}"
6753 echo "i686 features enabled ${i686-no}"
6754 echo "CMOV is fast ${fast_cmov-no}"
6755 echo "EBX available ${ebx_available-no}"
6756 echo "EBP available ${ebp_available-no}"
6758 if enabled aarch64; then
6759 echo "NEON enabled ${neon-no}"
6760 echo "VFP enabled ${vfp-no}"
6762 if enabled arm; then
6763 echo "ARMv5TE enabled ${armv5te-no}"
6764 echo "ARMv6 enabled ${armv6-no}"
6765 echo "ARMv6T2 enabled ${armv6t2-no}"
6766 echo "VFP enabled ${vfp-no}"
6767 echo "NEON enabled ${neon-no}"
6768 echo "THUMB enabled ${thumb-no}"
6770 if enabled mips; then
6771 echo "MIPS FPU enabled ${mipsfpu-no}"
6772 echo "MIPS DSP R1 enabled ${mipsdsp-no}"
6773 echo "MIPS DSP R2 enabled ${mipsdspr2-no}"
6774 echo "MIPS MSA enabled ${msa-no}"
6775 echo "LOONGSON MMI enabled ${mmi-no}"
6777 if enabled ppc; then
6778 echo "AltiVec enabled ${altivec-no}"
6779 echo "VSX enabled ${vsx-no}"
6780 echo "POWER8 enabled ${power8-no}"
6781 echo "PPC 4xx optimizations ${ppc4xx-no}"
6782 echo "dcbzl available ${dcbzl-no}"
6784 echo "debug symbols ${debug-no}"
6785 echo "strip symbols ${stripping-no}"
6786 echo "optimize for size ${small-no}"
6787 echo "optimizations ${optimizations-no}"
6788 echo "static ${static-no}"
6789 echo "shared ${shared-no}"
6790 echo "postprocessing support ${postproc-no}"
6791 echo "network support ${network-no}"
6792 echo "threading support ${thread_type-no}"
6793 echo "safe bitstream reader ${safe_bitstream_reader-no}"
6794 echo "texi2html enabled ${texi2html-no}"
6795 echo "perl enabled ${perl-no}"
6796 echo "pod2man enabled ${pod2man-no}"
6797 echo "makeinfo enabled ${makeinfo-no}"
6798 echo "makeinfo supports HTML ${makeinfo_html-no}"
6799 test -n "$random_seed" &&
6800 echo "random seed ${random_seed}"
6803 echo "External libraries:"
6804 print_enabled '' $EXTERNAL_LIBRARY_LIST $EXTERNAL_AUTODETECT_LIBRARY_LIST | print_in_columns
6807 echo "External libraries providing hardware acceleration:"
6808 print_enabled '' $HWACCEL_LIBRARY_LIST $HWACCEL_AUTODETECT_LIBRARY_LIST | print_in_columns
6812 print_enabled '' $LIBRARY_LIST | print_in_columns
6816 print_enabled '' $PROGRAM_LIST | print_in_columns
6819 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
6820 echo "Enabled ${type}s:"
6821 eval list=\$$(toupper $type)_LIST
6822 print_enabled '_*' $list | print_in_columns
6826 if test -n "$ignore_tests"; then
6827 ignore_tests=$(echo $ignore_tests | tr ',' ' ')
6828 echo "Ignored FATE tests:"
6829 echo $ignore_tests | print_in_columns
6833 echo "License: $license"
6835 fi # test "$quiet" != "yes"
6837 if test -n "$WARNINGS"; then
6838 printf "\n%s%s$WARNINGS%s" "$warn_color" "$bold_color" "$reset_color"
6839 enabled fatal_warnings && exit 1
6842 test -e Makefile || echo "include $source_path/Makefile" > Makefile
6845 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
6848 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" > ffbuild/config.fate
6850 enabled stripping || strip="echo skipping strip"
6851 enabled stripping || striptype=""
6853 config_files="$TMPH ffbuild/config.mak doc/config.texi"
6855 cat > ffbuild/config.mak <<EOF
6856 # Automatically generated by configure - do not modify!
6857 ifndef FFMPEG_CONFIG_MAK
6859 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
6861 LIBDIR=\$(DESTDIR)$libdir
6862 SHLIBDIR=\$(DESTDIR)$shlibdir
6863 INCDIR=\$(DESTDIR)$incdir
6864 BINDIR=\$(DESTDIR)$bindir
6865 DATADIR=\$(DESTDIR)$datadir
6866 DOCDIR=\$(DESTDIR)$docdir
6867 MANDIR=\$(DESTDIR)$mandir
6868 PKGCONFIGDIR=\$(DESTDIR)$pkgconfigdir
6869 INSTALL_NAME_DIR=$install_name_dir
6870 SRC_PATH=$source_path
6871 SRC_LINK=$source_link
6872 ifndef MAIN_MAKEFILE
6873 SRC_PATH:=\$(SRC_PATH:.%=..%)
6877 INTRINSICS=$intrinsics
6878 EXTERN_PREFIX=$extern_prefix
6885 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
6887 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
6889 DEPX86ASM=$x86asmexe
6890 DEPX86ASMFLAGS=\$(X86ASMFLAGS)
6898 STRIPTYPE=$striptype
6905 OBJCFLAGS=$OBJCFLAGS
6907 NVCCFLAGS=$nvccflags
6929 LDEXEFLAGS=$LDEXEFLAGS
6930 LDSOFLAGS=$LDSOFLAGS
6931 SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
6932 ASMSTRIPFLAGS=$ASMSTRIPFLAGS
6933 X86ASMFLAGS=$X86ASMFLAGS
6934 BUILDSUF=$build_suffix
6935 PROGSSUF=$progs_suffix
6943 EXTRA_VERSION=$extra_version
6946 CCDEP_FLAGS=$CCDEP_FLAGS
6948 ASDEP_FLAGS=$ASDEP_FLAGS
6949 X86ASMDEP=$X86ASMDEP
6950 X86ASMDEP_FLAGS=$X86ASMDEP_FLAGS
6951 CC_DEPFLAGS=$CC_DEPFLAGS
6952 AS_DEPFLAGS=$AS_DEPFLAGS
6953 X86ASM_DEPFLAGS=$X86ASM_DEPFLAGS
6956 HOSTCFLAGS=$host_cflags
6957 HOSTCPPFLAGS=$host_cppflags
6958 HOSTEXESUF=$HOSTEXESUF
6959 HOSTLDFLAGS=$host_ldflags
6960 HOSTEXTRALIBS=$host_extralibs
6962 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
6963 HOSTCCDEP=$HOSTCCDEP
6964 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
6965 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
6969 TARGET_EXEC=$target_exec $target_exec_args
6970 TARGET_PATH=$target_path
6971 TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}
6972 CFLAGS-ffplay=${sdl2_cflags}
6973 CFLAGS_HEADERS=$CFLAGS_HEADERS
6974 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
6975 EXTRALIBS=$extralibs
6976 COMPAT_OBJS=$compat_objs
6978 LIBTARGET=${LIBTARGET}
6979 SLIBNAME=${SLIBNAME}
6980 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
6981 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
6982 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
6983 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
6984 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
6985 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
6986 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
6987 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
6988 VERSION_SCRIPT_POSTPROCESS_CMD=${VERSION_SCRIPT_POSTPROCESS_CMD}
6989 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
6990 NOREDZONE_FLAGS=$noredzone_flags
6991 LIBFUZZER_PATH=$libfuzzer_path
6992 IGNORE_TESTS=$ignore_tests
6995 map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> ffbuild/config.mak' $LIBRARY_LIST
6997 for entry in $LIBRARY_LIST $PROGRAM_LIST $EXTRALIBS_LIST; do
6998 eval echo "EXTRALIBS-${entry}=\$${entry}_extralibs" >> ffbuild/config.mak
7002 /* Automatically generated by configure - do not modify! */
7003 #ifndef FFMPEG_CONFIG_H
7004 #define FFMPEG_CONFIG_H
7005 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
7006 #define FFMPEG_LICENSE "$(c_escape $license)"
7007 #define CONFIG_THIS_YEAR 2018
7008 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
7009 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
7010 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
7011 #define av_restrict $restrict_keyword
7012 #define EXTERN_PREFIX "${extern_prefix}"
7013 #define EXTERN_ASM ${extern_prefix}
7014 #define BUILDSUF "$build_suffix"
7015 #define SLIBSUF "$SLIBSUF"
7016 #define HAVE_MMX2 HAVE_MMXEXT
7017 #define SWS_MAX_FILTER_SIZE $sws_max_filter_size
7020 test -n "$assert_level" &&
7021 echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
7023 test -n "$malloc_prefix" &&
7024 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
7026 if enabled x86asm; then
7027 append config_files $TMPASM
7029 ; Automatically generated by configure - do not modify!
7033 enabled getenv || echo "#define getenv(x) NULL" >> $TMPH
7039 echo "@c auto-generated by configure - do not modify! " > doc/config.texi
7041 print_config ARCH_ "$config_files" $ARCH_LIST
7042 print_config HAVE_ "$config_files" $HAVE_LIST
7043 print_config CONFIG_ "$config_files" $CONFIG_LIST \
7047 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
7048 echo "endif # FFMPEG_CONFIG_MAK" >> ffbuild/config.mak
7050 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
7051 cp_if_changed $TMPH config.h
7052 touch ffbuild/.config
7054 enabled x86asm && cp_if_changed $TMPASM config.asm
7057 /* Generated by ffmpeg configure */
7058 #ifndef AVUTIL_AVCONFIG_H
7059 #define AVUTIL_AVCONFIG_H
7062 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
7064 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
7066 cp_if_changed $TMPH libavutil/avconfig.h
7068 # generate the lists of enabled components
7069 print_enabled_components(){
7074 echo "static const $struct_name * const $name[] = {" > $TMPH
7079 c=$(add_suffix _demuxer $(remove_suffix _indev $c))
7082 c=$(add_suffix _muxer $(remove_suffix _outdev $c))
7085 printf " &ff_%s,\n" $c >> $TMPH
7088 echo " NULL };" >> $TMPH
7089 cp_if_changed $TMPH $file
7092 print_enabled_components libavcodec/codec_list.c AVCodec codec_list $CODEC_LIST
7093 print_enabled_components libavcodec/parser_list.c AVCodecParser parser_list $PARSER_LIST
7094 print_enabled_components libavcodec/bsf_list.c AVBitStreamFilter bitstream_filters $BSF_LIST
7095 print_enabled_components libavdevice/indev_list.c AVInputFormat indev_list $INDEV_LIST
7096 print_enabled_components libavdevice/outdev_list.c AVOutputFormat outdev_list $OUTDEV_LIST
7097 print_enabled_components libavformat/demuxer_list.c AVInputFormat demuxer_list $DEMUXER_LIST
7098 print_enabled_components libavformat/muxer_list.c AVOutputFormat muxer_list $MUXER_LIST
7099 print_enabled_components libavformat/protocol_list.c URLProtocol url_protocols $PROTOCOL_LIST
7101 # Settings for pkg-config files
7104 # Automatically generated by configure - do not modify!
7106 build_suffix=$build_suffix
7110 rpath=$(enabled rpath && echo "-Wl,-rpath,\${libdir}")
7111 source_path=${source_path}
7114 extralibs_avutil="$avutil_extralibs"
7115 extralibs_avcodec="$avcodec_extralibs"
7116 extralibs_avformat="$avformat_extralibs"
7117 extralibs_avdevice="$avdevice_extralibs"
7118 extralibs_avfilter="$avfilter_extralibs"
7119 extralibs_avresample="$avresample_extralibs"
7120 extralibs_postproc="$postproc_extralibs"
7121 extralibs_swscale="$swscale_extralibs"
7122 extralibs_swresample="$swresample_extralibs"
7125 for lib in $LIBRARY_LIST; do
7126 lib_deps="$(eval echo \$${lib}_deps)"
7127 echo ${lib}_deps=\"$lib_deps\" >> $TMPH
7130 cp_if_changed $TMPH ffbuild/config.sh