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 test_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
942 test_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
949 test_cmd $objcc -Werror=missing-prototypes $CPPFLAGS $CFLAGS $OBJCFLAGS "$@" $OBJCC_C $(cc_o $TMPO) $TMPM
956 test_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
960 eval printf '%s\\n' $AS_O
967 test_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
973 disabled $cmd && return
975 test_cmd $@ && enable $cmd
979 log check_inline_asm "$@"
984 test_cc "$@" <<EOF && enable $name
985 void foo(void){ __asm__ volatile($code); }
989 check_inline_asm_flags(){
990 log check_inline_asm_flags "$@"
995 while [ "$1" != "" ]; do
1001 void foo(void){ __asm__ volatile($code); }
1004 test_cmd $cc $CPPFLAGS $CFLAGS $flags "$@" $CC_C $(cc_o $TMPO) $TMPC &&
1005 enable $name && add_cflags $flags && add_asflags $flags && add_ldflags $flags
1010 check_inline_asm ${1}_inline "$2"
1011 echo "$2" | test_as && enable ${1}_external || disable ${1}_external
1015 log test_x86asm "$@"
1019 test_cmd $x86asmexe $X86ASMFLAGS -Werror "$@" -o $TMPO $TMPS
1023 eval printf '%s\\n' $LD_O
1030 flags=$(filter_out '-l*|*.so' $@)
1031 libs=$(filter '-l*|*.so' $@)
1032 test_$type $($cflags_filter $flags) || return
1033 flags=$($ldflags_filter $flags)
1034 libs=$($ldflags_filter $libs)
1035 test_cmd $ld $LDFLAGS $LDEXEFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
1040 test "${hdr%.h}" = "${hdr}" &&
1041 echo "#include $hdr" ||
1042 echo "#include <$hdr>"
1052 for hdr in $headers; do
1055 echo "int main(void) { $code; return 0; }"
1056 } | test_$check "$@"
1060 log check_cppflags "$@"
1061 test_cpp "$@" <<EOF && append CPPFLAGS "$@"
1067 log test_cflags "$@"
1068 set -- $($cflags_filter "$@")
1075 log check_cflags "$@"
1076 test_cflags "$@" && add_cflags "$@"
1080 log check_cxxflags "$@"
1081 set -- $($cflags_filter "$@")
1082 test_cxx "$@" <<EOF && append CXXFLAGS "$@"
1088 log test_objcflags "$@"
1089 set -- $($objcflags_filter "$@")
1090 test_objcc "$@" <<EOF
1096 log check_objcflags "$@"
1097 test_objcflags "$@" && add_objcflags "$@"
1101 log test_ldflags "$@"
1102 set -- $($ldflags_filter "$@")
1103 test_ld "cc" "$@" <<EOF
1104 int main(void){ return 0; }
1109 log check_ldflags "$@"
1110 test_ldflags "$@" && add_ldflags "$@"
1114 log test_stripflags "$@"
1115 # call test_cc to get a fresh TMPO
1117 int main(void) { return 0; }
1119 test_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO
1123 log check_stripflags "$@"
1124 test_stripflags "$@" && add_stripflags "$@"
1128 log check_header "$@"
1131 disable_sanitized $headers
1133 for hdr in $headers; do
1137 } | test_cpp "$@" && enable_sanitized $headers
1140 check_header_objcc(){
1141 log check_header_objcc "$@"
1145 disable_sanitized $header
1147 echo "#include <$header>"
1148 echo "int main(void) { return 0; }"
1149 } | test_objcc && test_stat "$TMPO" && enable_sanitized $header
1152 check_apple_framework(){
1153 log check_apple_framework "$@"
1155 name="$(tolower $framework)"
1156 header="${framework}/${framework}.h"
1158 check_header_objcc $header &&
1159 enable $name && eval ${name}_extralibs='"-framework $framework"'
1167 test_ld "cc" "$@" <<EOF && enable $func
1169 int main(void){ $func(); }
1173 check_complexfunc(){
1174 log check_complexfunc "$@"
1178 test $narg = 2 && args="f, g" || args="f * I"
1180 test_ld "cc" "$@" <<EOF && enable $func
1181 #include <complex.h>
1183 float foo(complex float f, complex float g) { return $func($args); }
1184 int main(void){ return (int) foo; }
1189 log check_mathfunc "$@"
1193 test $narg = 2 && args="f, g" || args="f"
1195 test_ld "cc" "$@" <<EOF && enable $func
1197 float foo(float f, float g) { return $func($args); }
1198 int main(void){ return (int) foo; }
1202 check_func_headers(){
1203 log check_func_headers "$@"
1208 for hdr in $headers; do
1211 echo "#include <stdint.h>"
1212 for func in $funcs; do
1213 echo "long check_$func(void) { return (long) $func; }"
1215 echo "int main(void) { int ret = 0;"
1216 # LTO could optimize out the test functions without this
1217 for func in $funcs; do
1218 echo " ret |= ((intptr_t)check_$func) & 0xFFFF;"
1220 echo "return ret; }"
1221 } | test_ld "cc" "$@" && enable $funcs && enable_sanitized $headers
1224 check_class_headers_cpp(){
1225 log check_class_headers_cpp "$@"
1230 for hdr in $headers; do
1231 echo "#include <$hdr>"
1233 echo "int main(void) { "
1235 for class in $classes; do
1236 echo "$class obj$i;"
1240 } | test_ld "cxx" "$@" && enable $funcs && enable_sanitized $headers
1243 test_cpp_condition(){
1244 log test_cpp_condition "$@"
1251 #error "unsatisfied condition: $condition"
1256 check_cpp_condition(){
1257 log check_cpp_condition "$@"
1261 test_cpp_condition "$@" && enable $name
1265 log test_cflags_cc "$@"
1270 set -- $($cflags_filter "$flags")
1274 #error "unsatisfied condition: $condition"
1286 check_func_headers "$headers" "$funcs" "$@" &&
1287 enable $name && eval ${name}_extralibs="\$@"
1291 log check_lib_cpp "$@"
1297 check_class_headers_cpp "$headers" "$classes" "$@" &&
1298 enable $name && eval ${name}_extralibs="\$@"
1302 log test_pkg_config "$@"
1310 test_cmd $pkg_config --exists --print-errors $pkg_version || return
1311 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1312 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1313 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1315 set_sanitized "${name}_cflags" $pkg_cflags &&
1316 set_sanitized "${name}_extralibs" $pkg_libs
1320 log check_pkg_config "$@"
1322 test_pkg_config "$@" &&
1323 eval add_cflags \$${name}_cflags
1327 test_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1331 log check_exec_crash "$@"
1334 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1335 # are safe but may not be available everywhere. Thus we use
1336 # raise(SIGTERM) instead. The check is run in a subshell so we
1337 # can redirect the "Terminated" message from the shell. SIGBUS
1338 # is not defined by standard C so it is used conditionally.
1340 (test_exec "$@") >> $logfile 2>&1 <<EOF
1342 static void sighandler(int sig){
1348 int (*func_ptr)(void) = foo;
1350 signal(SIGILL, sighandler);
1351 signal(SIGFPE, sighandler);
1352 signal(SIGSEGV, sighandler);
1354 signal(SIGBUS, sighandler);
1366 disable_sanitized "$type"
1367 test_code cc "$headers" "$type v" "$@" && enable_sanitized "$type"
1371 log check_struct "$@"
1376 disable_sanitized "${struct}_${member}"
1377 test_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1378 enable_sanitized "${struct}_${member}"
1382 log check_builtin "$@"
1388 test_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1391 check_compile_assert(){
1392 log check_compile_assert "$@"
1398 test_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1406 check_lib $name "$@" || die "ERROR: $name_version not found"
1414 check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1418 log require_header "$@"
1420 check_header "$@" || die "ERROR: $headers not found"
1423 require_cpp_condition(){
1424 log require_cpp_condition "$@"
1426 test_cpp_condition "$@" || die "ERROR: $condition not satisfied"
1429 require_pkg_config(){
1430 log require_pkg_config "$@"
1432 check_pkg_config "$@" || die "ERROR: $pkg_version not found using pkg-config$pkg_config_fail_message"
1436 eval printf '%s\\n' $HOSTCC_E
1440 eval printf '%s\\n' $HOSTCC_O
1444 log test_host_cc "$@"
1447 test_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1451 log test_host_cpp "$@"
1454 test_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1457 check_host_cppflags(){
1458 log check_host_cppflags "$@"
1459 test_host_cpp "$@" <<EOF && append host_cppflags "$@"
1464 check_host_cflags(){
1465 log check_host_cflags "$@"
1466 set -- $($host_cflags_filter "$@")
1467 test_host_cc "$@" <<EOF && append host_cflags "$@"
1472 test_host_cpp_condition(){
1473 log test_host_cpp_condition "$@"
1477 test_host_cpp "$@" <<EOF
1480 #error "unsatisfied condition: $condition"
1485 check_host_cpp_condition(){
1486 log check_host_cpp_condition "$@"
1490 test_host_cpp_condition "$@" && enable $name
1494 cmp -s "$1" "$2" && { test "$quiet" != "yes" && echo "$2 is unchanged"; } && return
1495 mkdir -p "$(dirname $2)"
1499 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1500 # system-dependent things.
1502 AVCODEC_COMPONENTS="
1510 AVDEVICE_COMPONENTS="
1515 AVFILTER_COMPONENTS="
1519 AVFORMAT_COMPONENTS="
1527 $AVDEVICE_COMPONENTS
1528 $AVFILTER_COMPONENTS
1529 $AVFORMAT_COMPONENTS
1533 avio_dir_cmd_example
1534 avio_reading_example
1535 decode_audio_example
1536 decode_video_example
1537 demuxing_decoding_example
1538 encode_audio_example
1539 encode_video_example
1541 filter_audio_example
1542 filtering_audio_example
1543 filtering_video_example
1544 http_multiclient_example
1550 resampling_audio_example
1551 scaling_video_example
1552 transcode_aac_example
1554 vaapi_encode_example
1555 vaapi_transcode_example
1558 EXTERNAL_AUTODETECT_LIBRARY_LIST="
1578 EXTERNAL_LIBRARY_GPL_LIST="
1590 EXTERNAL_LIBRARY_NONFREE_LIST="
1598 EXTERNAL_LIBRARY_VERSION3_LIST="
1607 EXTERNAL_LIBRARY_GPLV3_LIST="
1611 EXTERNAL_LIBRARY_LIST="
1612 $EXTERNAL_LIBRARY_GPL_LIST
1613 $EXTERNAL_LIBRARY_NONFREE_LIST
1614 $EXTERNAL_LIBRARY_VERSION3_LIST
1615 $EXTERNAL_LIBRARY_GPLV3_LIST
1674 HWACCEL_AUTODETECT_LIBRARY_LIST="
1692 # catchall list of things that require external libs to link
1698 HWACCEL_LIBRARY_NONFREE_LIST="
1703 HWACCEL_LIBRARY_LIST="
1704 $HWACCEL_LIBRARY_NONFREE_LIST
1725 safe_bitstream_reader
1771 # COMPONENT_LIST needs to come last to ensure correct dependency checking
1775 $EXTERNAL_LIBRARY_LIST
1776 $EXTERNAL_AUTODETECT_LIBRARY_LIST
1777 $HWACCEL_LIBRARY_LIST
1778 $HWACCEL_AUTODETECT_LIBRARY_LIST
1810 $EXTERNAL_AUTODETECT_LIBRARY_LIST
1811 $HWACCEL_AUTODETECT_LIBRARY_LIST
1853 ARCH_EXT_LIST_MIPS="
1865 ARCH_EXT_LIST_LOONGSON="
1871 ARCH_EXT_LIST_X86_SIMD="
1901 $ARCH_EXT_LIST_X86_SIMD
1911 $ARCH_EXT_LIST_LOONGSON
1932 sync_val_compare_and_swap
1949 cdio_paranoia_paranoia_h
1952 dev_bktr_ioctl_bt848_h
1953 dev_bktr_ioctl_meteor_h
1955 dev_video_bktr_ioctl_bt848_h
1956 dev_video_meteor_ioctl_meteor_h
1964 machine_ioctl_bt848_h
1965 machine_ioctl_meteor_h
1967 opencv2_core_core_c_h
2029 MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS
2047 GetProcessAffinityMask
2048 GetProcessMemoryInfo
2051 GetSystemTimeAsFileTime
2074 SetConsoleTextAttribute
2075 SetConsoleCtrlHandler
2083 UTGetOSTypeFromString
2095 TOOLCHAIN_FEATURES="
2107 inline_asm_direct_symbol_refs
2109 inline_asm_nonlocal_labels
2120 kCMVideoCodecType_HEVC
2123 struct_group_source_req
2124 struct_ip_mreq_source
2126 struct_msghdr_msg_flags
2128 struct_rusage_ru_maxrss
2129 struct_sctp_event_subscribe
2131 struct_sockaddr_sa_len
2132 struct_sockaddr_storage
2133 struct_stat_st_mtim_tv_nsec
2134 struct_v4l2_frmivalenum_discrete
2139 $(add_suffix _external $ARCH_EXT_LIST)
2140 $(add_suffix _inline $ARCH_EXT_LIST)
2160 opencl_vaapi_beignet
2161 opencl_vaapi_intel_media
2167 # options emitted with CONFIG_ prefix but not available on the command line
2189 frame_thread_encoder
2345 # code dependency declarations
2347 # architecture extensions
2352 armv8_deps="aarch64"
2353 neon_deps_any="aarch64 arm"
2354 intrinsics_neon_deps="neon"
2355 vfp_deps_any="aarch64 arm"
2359 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
2368 loongson2_deps="mips"
2369 loongson3_deps="mips"
2370 mips32r2_deps="mips"
2371 mips32r5_deps="mips"
2372 mips32r6_deps="mips"
2373 mips64r2_deps="mips"
2374 mips64r6_deps="mips"
2377 mipsdspr2_deps="mips"
2382 x86_64_select="i686"
2383 x86_64_suggest="fast_cmov"
2386 amd3dnowext_deps="amd3dnow"
2404 mmx_external_deps="x86asm"
2405 mmx_inline_deps="inline_asm x86"
2406 mmx_suggest="mmx_external mmx_inline"
2408 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
2409 eval dep=\$${ext}_deps
2410 eval ${ext}_external_deps='"${dep}_external"'
2411 eval ${ext}_inline_deps='"${dep}_inline"'
2412 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
2415 aligned_stack_if_any="aarch64 ppc x86"
2416 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
2417 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
2418 fast_unaligned_if_any="aarch64 ppc x86"
2419 simd_align_16_if_any="altivec neon sse"
2420 simd_align_32_if_any="avx"
2421 simd_align_64_if_any="avx512"
2423 # system capabilities
2424 symver_if_any="symver_asm_label symver_gnu_asm"
2425 valgrind_backtrace_conflict="optimizations"
2426 valgrind_backtrace_deps="valgrind_valgrind_h"
2429 atomics_gcc_if="sync_val_compare_and_swap"
2430 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
2431 atomics_win32_if="MemoryBarrier"
2432 atomics_native_if_any="$ATOMICS_LIST"
2433 w32threads_deps="atomics_native"
2434 threads_if_any="$THREADS_LIST"
2437 cbs_h264_select="cbs golomb"
2438 cbs_h265_select="cbs golomb"
2439 cbs_mpeg2_select="cbs"
2441 dirac_parse_select="golomb"
2442 error_resilience_select="me_cmp"
2444 faandct_select="fdctdsp"
2445 faanidct_deps="faan"
2446 faanidct_select="idctdsp"
2447 h264dsp_select="startcode"
2448 hevcparse_select="golomb"
2449 frame_thread_encoder_deps="encoders threads"
2450 intrax8_select="blockdsp idctdsp"
2453 me_cmp_select="fdctdsp idctdsp pixblockdsp"
2454 mpeg_er_select="error_resilience"
2455 mpegaudio_select="mpegaudiodsp mpegaudioheader"
2456 mpegaudiodsp_select="dct"
2457 mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp mpeg_er videodsp"
2458 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
2459 vc1dsp_select="h264chroma qpeldsp startcode"
2462 # decoders / encoders
2463 aac_decoder_select="adts_header mdct15 mdct sinewin"
2464 aac_fixed_decoder_select="adts_header mdct sinewin"
2465 aac_encoder_select="audio_frame_queue iirfilter lpc mdct sinewin"
2466 aac_latm_decoder_select="aac_decoder aac_latm_parser"
2467 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
2468 ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"
2469 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
2470 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
2471 adpcm_g722_decoder_select="g722dsp"
2472 adpcm_g722_encoder_select="g722dsp"
2473 aic_decoder_select="golomb idctdsp"
2474 alac_encoder_select="lpc"
2475 als_decoder_select="bswapdsp"
2476 amrnb_decoder_select="lsp"
2477 amrwb_decoder_select="lsp"
2478 amv_decoder_select="sp5x_decoder exif"
2479 amv_encoder_select="aandcttables jpegtables mpegvideoenc"
2480 ape_decoder_select="bswapdsp llauddsp"
2481 apng_decoder_deps="zlib"
2482 apng_encoder_deps="zlib"
2483 apng_encoder_select="llvidencdsp"
2484 aptx_decoder_select="audio_frame_queue"
2485 aptx_encoder_select="audio_frame_queue"
2486 aptx_hd_decoder_select="audio_frame_queue"
2487 aptx_hd_encoder_select="audio_frame_queue"
2488 asv1_decoder_select="blockdsp bswapdsp idctdsp"
2489 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
2490 asv2_decoder_select="blockdsp bswapdsp idctdsp"
2491 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
2492 atrac1_decoder_select="mdct sinewin"
2493 atrac3_decoder_select="mdct"
2494 atrac3p_decoder_select="mdct sinewin"
2495 avrn_decoder_select="exif jpegtables"
2496 bink_decoder_select="blockdsp hpeldsp"
2497 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
2498 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
2499 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
2500 clearvideo_decoder_select="idctdsp"
2501 cllc_decoder_select="bswapdsp"
2502 comfortnoise_encoder_select="lpc"
2503 cook_decoder_select="audiodsp mdct sinewin"
2504 cscd_decoder_select="lzo"
2505 cscd_decoder_suggest="zlib"
2506 dca_decoder_select="mdct"
2507 dds_decoder_select="texturedsp"
2508 dirac_decoder_select="dirac_parse dwt golomb videodsp mpegvideoenc"
2509 dnxhd_decoder_select="blockdsp idctdsp"
2510 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
2511 dolby_e_decoder_select="mdct"
2512 dvvideo_decoder_select="dvprofile idctdsp"
2513 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
2514 dxa_decoder_deps="zlib"
2515 dxv_decoder_select="lzf texturedsp"
2516 eac3_decoder_select="ac3_decoder"
2517 eac3_encoder_select="ac3_encoder"
2518 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
2519 eatgq_decoder_select="aandcttables"
2520 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp"
2521 exr_decoder_deps="zlib"
2522 ffv1_decoder_select="rangecoder"
2523 ffv1_encoder_select="rangecoder"
2524 ffvhuff_decoder_select="huffyuv_decoder"
2525 ffvhuff_encoder_select="huffyuv_encoder"
2526 fic_decoder_select="golomb"
2527 flac_decoder_select="flacdsp"
2528 flac_encoder_select="bswapdsp flacdsp lpc"
2529 flashsv2_decoder_deps="zlib"
2530 flashsv2_encoder_deps="zlib"
2531 flashsv_decoder_deps="zlib"
2532 flashsv_encoder_deps="zlib"
2533 flv_decoder_select="h263_decoder"
2534 flv_encoder_select="h263_encoder"
2535 fourxm_decoder_select="blockdsp bswapdsp"
2536 fraps_decoder_select="bswapdsp huffman"
2537 g2m_decoder_deps="zlib"
2538 g2m_decoder_select="blockdsp idctdsp jpegtables"
2539 g729_decoder_select="audiodsp"
2540 h261_decoder_select="mpegvideo"
2541 h261_encoder_select="aandcttables mpegvideoenc"
2542 h263_decoder_select="h263_parser h263dsp mpegvideo qpeldsp"
2543 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
2544 h263i_decoder_select="h263_decoder"
2545 h263p_decoder_select="h263_decoder"
2546 h263p_encoder_select="h263_encoder"
2547 h264_decoder_select="cabac golomb h264chroma h264dsp h264parse h264pred h264qpel videodsp"
2548 h264_decoder_suggest="error_resilience"
2549 hap_decoder_select="snappy texturedsp"
2550 hap_encoder_deps="libsnappy"
2551 hap_encoder_select="texturedspenc"
2552 hevc_decoder_select="bswapdsp cabac golomb hevcparse videodsp"
2553 huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"
2554 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llvidencdsp"
2555 iac_decoder_select="imc_decoder"
2556 imc_decoder_select="bswapdsp fft mdct sinewin"
2557 indeo3_decoder_select="hpeldsp"
2558 indeo4_decoder_select="ividsp"
2559 indeo5_decoder_select="ividsp"
2560 interplay_video_decoder_select="hpeldsp"
2561 jpegls_decoder_select="mjpeg_decoder"
2562 jv_decoder_select="blockdsp"
2563 lagarith_decoder_select="llviddsp"
2564 ljpeg_encoder_select="aandcttables idctdsp jpegtables mpegvideoenc"
2565 magicyuv_decoder_select="llviddsp"
2566 magicyuv_encoder_select="llvidencdsp"
2567 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2568 metasound_decoder_select="lsp mdct sinewin"
2569 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2570 mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"
2571 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
2572 mjpegb_decoder_select="mjpeg_decoder"
2573 mlp_decoder_select="mlp_parser"
2574 mlp_encoder_select="lpc"
2575 motionpixels_decoder_select="bswapdsp"
2576 mp1_decoder_select="mpegaudio"
2577 mp1float_decoder_select="mpegaudio"
2578 mp2_decoder_select="mpegaudio"
2579 mp2float_decoder_select="mpegaudio"
2580 mp3_decoder_select="mpegaudio"
2581 mp3adu_decoder_select="mpegaudio"
2582 mp3adufloat_decoder_select="mpegaudio"
2583 mp3float_decoder_select="mpegaudio"
2584 mp3on4_decoder_select="mpegaudio"
2585 mp3on4float_decoder_select="mpegaudio"
2586 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2587 mpc8_decoder_select="mpegaudiodsp"
2588 mpegvideo_decoder_select="mpegvideo"
2589 mpeg1video_decoder_select="mpegvideo"
2590 mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"
2591 mpeg2video_decoder_select="mpegvideo"
2592 mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"
2593 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2594 mpeg4_encoder_select="h263_encoder"
2595 msa1_decoder_select="mss34dsp"
2596 mscc_decoder_deps="zlib"
2597 msmpeg4v1_decoder_select="h263_decoder"
2598 msmpeg4v2_decoder_select="h263_decoder"
2599 msmpeg4v2_encoder_select="h263_encoder"
2600 msmpeg4v3_decoder_select="h263_decoder"
2601 msmpeg4v3_encoder_select="h263_encoder"
2602 mss2_decoder_select="mpegvideo qpeldsp vc1_decoder"
2603 mts2_decoder_select="mss34dsp"
2604 mxpeg_decoder_select="mjpeg_decoder"
2605 nellymoser_decoder_select="mdct sinewin"
2606 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2607 nuv_decoder_select="idctdsp lzo"
2608 on2avc_decoder_select="mdct"
2609 opus_decoder_deps="swresample"
2610 opus_decoder_select="mdct15"
2611 opus_encoder_select="audio_frame_queue mdct15"
2612 png_decoder_deps="zlib"
2613 png_encoder_deps="zlib"
2614 png_encoder_select="llvidencdsp"
2615 prores_decoder_select="blockdsp idctdsp"
2616 prores_encoder_select="fdctdsp"
2617 qcelp_decoder_select="lsp"
2618 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2619 ra_144_decoder_select="audiodsp"
2620 ra_144_encoder_select="audio_frame_queue lpc audiodsp"
2621 ralf_decoder_select="golomb"
2622 rawvideo_decoder_select="bswapdsp"
2623 rscc_decoder_deps="zlib"
2624 rtjpeg_decoder_select="me_cmp"
2625 rv10_decoder_select="h263_decoder"
2626 rv10_encoder_select="h263_encoder"
2627 rv20_decoder_select="h263_decoder"
2628 rv20_encoder_select="h263_encoder"
2629 rv30_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2630 rv40_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2631 screenpresso_decoder_deps="zlib"
2632 shorten_decoder_select="bswapdsp"
2633 sipr_decoder_select="lsp"
2634 snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"
2635 snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"
2636 sonic_decoder_select="golomb rangecoder"
2637 sonic_encoder_select="golomb rangecoder"
2638 sonic_ls_encoder_select="golomb rangecoder"
2639 sp5x_decoder_select="mjpeg_decoder"
2640 srgc_decoder_deps="zlib"
2641 svq1_decoder_select="hpeldsp"
2642 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2643 svq3_decoder_select="golomb h264dsp h264parse h264pred hpeldsp tpeldsp videodsp"
2644 svq3_decoder_suggest="zlib"
2645 tak_decoder_select="audiodsp"
2646 tdsc_decoder_deps="zlib"
2647 tdsc_decoder_select="mjpeg_decoder"
2648 theora_decoder_select="vp3_decoder"
2649 thp_decoder_select="mjpeg_decoder"
2650 tiff_decoder_suggest="zlib lzma"
2651 tiff_encoder_suggest="zlib"
2652 truehd_decoder_select="mlp_parser"
2653 truehd_encoder_select="lpc"
2654 truemotion2_decoder_select="bswapdsp"
2655 truespeech_decoder_select="bswapdsp"
2656 tscc_decoder_deps="zlib"
2657 twinvq_decoder_select="mdct lsp sinewin"
2658 txd_decoder_select="texturedsp"
2659 utvideo_decoder_select="bswapdsp llviddsp"
2660 utvideo_encoder_select="bswapdsp huffman llvidencdsp"
2661 vble_decoder_select="llviddsp"
2662 vc1_decoder_select="blockdsp h263_decoder h264qpel intrax8 mpegvideo vc1dsp"
2663 vc1image_decoder_select="vc1_decoder"
2664 vorbis_decoder_select="mdct"
2665 vorbis_encoder_select="audio_frame_queue mdct"
2666 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2667 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"
2668 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"
2669 vp6a_decoder_select="vp6_decoder"
2670 vp6f_decoder_select="vp6_decoder"
2671 vp7_decoder_select="h264pred videodsp vp8dsp"
2672 vp8_decoder_select="h264pred videodsp vp8dsp"
2673 vp9_decoder_select="videodsp vp9_parser vp9_superframe_split_bsf"
2674 webp_decoder_select="vp8_decoder exif"
2675 wmalossless_decoder_select="llauddsp"
2676 wmapro_decoder_select="mdct sinewin wma_freqs"
2677 wmav1_decoder_select="mdct sinewin wma_freqs"
2678 wmav1_encoder_select="mdct sinewin wma_freqs"
2679 wmav2_decoder_select="mdct sinewin wma_freqs"
2680 wmav2_encoder_select="mdct sinewin wma_freqs"
2681 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2682 wmv1_decoder_select="h263_decoder"
2683 wmv1_encoder_select="h263_encoder"
2684 wmv2_decoder_select="blockdsp error_resilience h263_decoder idctdsp intrax8 videodsp wmv2dsp"
2685 wmv2_encoder_select="h263_encoder wmv2dsp"
2686 wmv3_decoder_select="vc1_decoder"
2687 wmv3image_decoder_select="wmv3_decoder"
2688 xma1_decoder_select="wmapro_decoder"
2689 xma2_decoder_select="wmapro_decoder"
2690 zerocodec_decoder_deps="zlib"
2691 zlib_decoder_deps="zlib"
2692 zlib_encoder_deps="zlib"
2693 zmbv_decoder_deps="zlib"
2694 zmbv_encoder_deps="zlib"
2696 # hardware accelerators
2697 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
2698 cuda_deps="ffnvcodec"
2699 cuvid_deps="ffnvcodec"
2700 d3d11va_deps="dxva_h ID3D11VideoDecoder ID3D11VideoContext"
2701 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode ole32 user32"
2702 ffnvcodec_deps_any="libdl LoadLibrary"
2703 nvdec_deps="ffnvcodec"
2704 videotoolbox_hwaccel_deps="videotoolbox pthreads"
2705 videotoolbox_hwaccel_extralibs="-framework QuartzCore"
2706 xvmc_deps="X11_extensions_XvMClib_h"
2708 h263_vaapi_hwaccel_deps="vaapi"
2709 h263_vaapi_hwaccel_select="h263_decoder"
2710 h263_videotoolbox_hwaccel_deps="videotoolbox"
2711 h263_videotoolbox_hwaccel_select="h263_decoder"
2712 h264_d3d11va_hwaccel_deps="d3d11va"
2713 h264_d3d11va_hwaccel_select="h264_decoder"
2714 h264_d3d11va2_hwaccel_deps="d3d11va"
2715 h264_d3d11va2_hwaccel_select="h264_decoder"
2716 h264_dxva2_hwaccel_deps="dxva2"
2717 h264_dxva2_hwaccel_select="h264_decoder"
2718 h264_nvdec_hwaccel_deps="nvdec"
2719 h264_nvdec_hwaccel_select="h264_decoder"
2720 h264_vaapi_hwaccel_deps="vaapi"
2721 h264_vaapi_hwaccel_select="h264_decoder"
2722 h264_vdpau_hwaccel_deps="vdpau"
2723 h264_vdpau_hwaccel_select="h264_decoder"
2724 h264_videotoolbox_hwaccel_deps="videotoolbox"
2725 h264_videotoolbox_hwaccel_select="h264_decoder"
2726 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2727 hevc_d3d11va_hwaccel_select="hevc_decoder"
2728 hevc_d3d11va2_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2729 hevc_d3d11va2_hwaccel_select="hevc_decoder"
2730 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2731 hevc_dxva2_hwaccel_select="hevc_decoder"
2732 hevc_nvdec_hwaccel_deps="nvdec"
2733 hevc_nvdec_hwaccel_select="hevc_decoder"
2734 hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC"
2735 hevc_vaapi_hwaccel_select="hevc_decoder"
2736 hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"
2737 hevc_vdpau_hwaccel_select="hevc_decoder"
2738 hevc_videotoolbox_hwaccel_deps="videotoolbox"
2739 hevc_videotoolbox_hwaccel_select="hevc_decoder"
2740 mjpeg_nvdec_hwaccel_deps="nvdec"
2741 mjpeg_nvdec_hwaccel_select="mjpeg_decoder"
2742 mjpeg_vaapi_hwaccel_deps="vaapi"
2743 mjpeg_vaapi_hwaccel_select="mjpeg_decoder"
2744 mpeg_xvmc_hwaccel_deps="xvmc"
2745 mpeg_xvmc_hwaccel_select="mpeg2video_decoder"
2746 mpeg1_nvdec_hwaccel_deps="nvdec"
2747 mpeg1_nvdec_hwaccel_select="mpeg1video_decoder"
2748 mpeg1_vdpau_hwaccel_deps="vdpau"
2749 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2750 mpeg1_videotoolbox_hwaccel_deps="videotoolbox"
2751 mpeg1_videotoolbox_hwaccel_select="mpeg1video_decoder"
2752 mpeg1_xvmc_hwaccel_deps="xvmc"
2753 mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"
2754 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2755 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2756 mpeg2_d3d11va2_hwaccel_deps="d3d11va"
2757 mpeg2_d3d11va2_hwaccel_select="mpeg2video_decoder"
2758 mpeg2_dxva2_hwaccel_deps="dxva2"
2759 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2760 mpeg2_nvdec_hwaccel_deps="nvdec"
2761 mpeg2_nvdec_hwaccel_select="mpeg2video_decoder"
2762 mpeg2_vaapi_hwaccel_deps="vaapi"
2763 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2764 mpeg2_vdpau_hwaccel_deps="vdpau"
2765 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2766 mpeg2_videotoolbox_hwaccel_deps="videotoolbox"
2767 mpeg2_videotoolbox_hwaccel_select="mpeg2video_decoder"
2768 mpeg2_xvmc_hwaccel_deps="xvmc"
2769 mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"
2770 mpeg4_nvdec_hwaccel_deps="nvdec"
2771 mpeg4_nvdec_hwaccel_select="mpeg4_decoder"
2772 mpeg4_vaapi_hwaccel_deps="vaapi"
2773 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2774 mpeg4_vdpau_hwaccel_deps="vdpau"
2775 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2776 mpeg4_videotoolbox_hwaccel_deps="videotoolbox"
2777 mpeg4_videotoolbox_hwaccel_select="mpeg4_decoder"
2778 vc1_d3d11va_hwaccel_deps="d3d11va"
2779 vc1_d3d11va_hwaccel_select="vc1_decoder"
2780 vc1_d3d11va2_hwaccel_deps="d3d11va"
2781 vc1_d3d11va2_hwaccel_select="vc1_decoder"
2782 vc1_dxva2_hwaccel_deps="dxva2"
2783 vc1_dxva2_hwaccel_select="vc1_decoder"
2784 vc1_nvdec_hwaccel_deps="nvdec"
2785 vc1_nvdec_hwaccel_select="vc1_decoder"
2786 vc1_vaapi_hwaccel_deps="vaapi"
2787 vc1_vaapi_hwaccel_select="vc1_decoder"
2788 vc1_vdpau_hwaccel_deps="vdpau"
2789 vc1_vdpau_hwaccel_select="vc1_decoder"
2790 vp8_nvdec_hwaccel_deps="nvdec"
2791 vp8_nvdec_hwaccel_select="vp8_decoder"
2792 vp8_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferVP8"
2793 vp8_vaapi_hwaccel_select="vp8_decoder"
2794 vp9_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_VP9"
2795 vp9_d3d11va_hwaccel_select="vp9_decoder"
2796 vp9_d3d11va2_hwaccel_deps="d3d11va DXVA_PicParams_VP9"
2797 vp9_d3d11va2_hwaccel_select="vp9_decoder"
2798 vp9_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_VP9"
2799 vp9_dxva2_hwaccel_select="vp9_decoder"
2800 vp9_nvdec_hwaccel_deps="nvdec"
2801 vp9_nvdec_hwaccel_select="vp9_decoder"
2802 vp9_vaapi_hwaccel_deps="vaapi VADecPictureParameterBufferVP9_bit_depth"
2803 vp9_vaapi_hwaccel_select="vp9_decoder"
2804 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2805 wmv3_d3d11va2_hwaccel_select="vc1_d3d11va2_hwaccel"
2806 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2807 wmv3_nvdec_hwaccel_select="vc1_nvdec_hwaccel"
2808 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2809 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2811 # hardware-accelerated codecs
2812 omx_deps="libdl pthreads"
2813 omx_rpi_select="omx"
2818 vaapi_encode_deps="vaapi"
2819 v4l2_m2m_deps_any="linux_videodev2_h"
2821 hwupload_cuda_filter_deps="ffnvcodec"
2822 scale_npp_filter_deps="ffnvcodec libnpp"
2823 scale_cuda_filter_deps="cuda_sdk"
2824 thumbnail_cuda_filter_deps="cuda_sdk"
2826 amf_deps_any="libdl LoadLibrary"
2827 nvenc_deps="ffnvcodec"
2828 nvenc_deps_any="libdl LoadLibrary"
2829 nvenc_encoder_deps="nvenc"
2831 h263_v4l2m2m_decoder_deps="v4l2_m2m h263_v4l2_m2m"
2832 h263_v4l2m2m_encoder_deps="v4l2_m2m h263_v4l2_m2m"
2833 h264_amf_encoder_deps="amf"
2834 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
2835 h264_cuvid_decoder_deps="cuvid"
2836 h264_cuvid_decoder_select="h264_mp4toannexb_bsf"
2837 h264_mediacodec_decoder_deps="mediacodec"
2838 h264_mediacodec_decoder_select="h264_mp4toannexb_bsf h264_parser"
2839 h264_mmal_decoder_deps="mmal"
2840 h264_nvenc_encoder_deps="nvenc"
2841 h264_omx_encoder_deps="omx"
2842 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec"
2843 h264_qsv_encoder_select="qsvenc"
2844 h264_rkmpp_decoder_deps="rkmpp"
2845 h264_rkmpp_decoder_select="h264_mp4toannexb_bsf"
2846 h264_vaapi_encoder_deps="VAEncPictureParameterBufferH264"
2847 h264_vaapi_encoder_select="cbs_h264 vaapi_encode"
2848 h264_v4l2m2m_decoder_deps="v4l2_m2m h264_v4l2_m2m"
2849 h264_v4l2m2m_encoder_deps="v4l2_m2m h264_v4l2_m2m"
2850 hevc_amf_encoder_deps="amf"
2851 hevc_cuvid_decoder_deps="cuvid"
2852 hevc_cuvid_decoder_select="hevc_mp4toannexb_bsf"
2853 hevc_mediacodec_decoder_deps="mediacodec"
2854 hevc_mediacodec_decoder_select="hevc_mp4toannexb_bsf hevc_parser"
2855 hevc_nvenc_encoder_deps="nvenc"
2856 hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec"
2857 hevc_qsv_encoder_select="hevcparse qsvenc"
2858 hevc_rkmpp_decoder_deps="rkmpp"
2859 hevc_rkmpp_decoder_select="hevc_mp4toannexb_bsf"
2860 hevc_vaapi_encoder_deps="VAEncPictureParameterBufferHEVC"
2861 hevc_vaapi_encoder_select="cbs_h265 vaapi_encode"
2862 hevc_v4l2m2m_decoder_deps="v4l2_m2m hevc_v4l2_m2m"
2863 hevc_v4l2m2m_encoder_deps="v4l2_m2m hevc_v4l2_m2m"
2864 mjpeg_cuvid_decoder_deps="cuvid"
2865 mjpeg_qsv_encoder_deps="libmfx"
2866 mjpeg_qsv_encoder_select="qsvenc"
2867 mjpeg_vaapi_encoder_deps="VAEncPictureParameterBufferJPEG"
2868 mjpeg_vaapi_encoder_select="vaapi_encode jpegtables"
2869 mpeg1_cuvid_decoder_deps="cuvid"
2870 mpeg1_v4l2m2m_decoder_deps="v4l2_m2m mpeg1_v4l2_m2m"
2871 mpeg2_crystalhd_decoder_select="crystalhd"
2872 mpeg2_cuvid_decoder_deps="cuvid"
2873 mpeg2_mmal_decoder_deps="mmal"
2874 mpeg2_mediacodec_decoder_deps="mediacodec"
2875 mpeg2_qsv_decoder_select="qsvdec mpegvideo_parser"
2876 mpeg2_qsv_encoder_select="qsvenc"
2877 mpeg2_vaapi_encoder_deps="VAEncPictureParameterBufferMPEG2"
2878 mpeg2_vaapi_encoder_select="cbs_mpeg2 vaapi_encode"
2879 mpeg2_v4l2m2m_decoder_deps="v4l2_m2m mpeg2_v4l2_m2m"
2880 mpeg4_crystalhd_decoder_select="crystalhd"
2881 mpeg4_cuvid_decoder_deps="cuvid"
2882 mpeg4_mediacodec_decoder_deps="mediacodec"
2883 mpeg4_mmal_decoder_deps="mmal"
2884 mpeg4_omx_encoder_deps="omx"
2885 mpeg4_v4l2m2m_decoder_deps="v4l2_m2m mpeg4_v4l2_m2m"
2886 mpeg4_v4l2m2m_encoder_deps="v4l2_m2m mpeg4_v4l2_m2m"
2887 msmpeg4_crystalhd_decoder_select="crystalhd"
2888 nvenc_h264_encoder_select="h264_nvenc_encoder"
2889 nvenc_hevc_encoder_select="hevc_nvenc_encoder"
2890 vc1_crystalhd_decoder_select="crystalhd"
2891 vc1_cuvid_decoder_deps="cuvid"
2892 vc1_mmal_decoder_deps="mmal"
2893 vc1_qsv_decoder_select="qsvdec vc1_parser"
2894 vc1_v4l2m2m_decoder_deps="v4l2_m2m vc1_v4l2_m2m"
2895 vp8_cuvid_decoder_deps="cuvid"
2896 vp8_mediacodec_decoder_deps="mediacodec"
2897 vp8_qsv_decoder_select="qsvdec vp8_parser"
2898 vp8_rkmpp_decoder_deps="rkmpp"
2899 vp8_vaapi_encoder_deps="VAEncPictureParameterBufferVP8"
2900 vp8_vaapi_encoder_select="vaapi_encode"
2901 vp8_v4l2m2m_decoder_deps="v4l2_m2m vp8_v4l2_m2m"
2902 vp8_v4l2m2m_encoder_deps="v4l2_m2m vp8_v4l2_m2m"
2903 vp9_cuvid_decoder_deps="cuvid"
2904 vp9_mediacodec_decoder_deps="mediacodec"
2905 vp9_rkmpp_decoder_deps="rkmpp"
2906 vp9_vaapi_encoder_deps="VAEncPictureParameterBufferVP9"
2907 vp9_vaapi_encoder_select="vaapi_encode"
2908 vp9_v4l2m2m_decoder_deps="v4l2_m2m vp9_v4l2_m2m"
2909 wmv3_crystalhd_decoder_select="crystalhd"
2912 aac_parser_select="adts_header"
2913 h264_parser_select="golomb h264dsp h264parse"
2914 hevc_parser_select="hevcparse"
2915 mpegaudio_parser_select="mpegaudioheader"
2916 mpegvideo_parser_select="mpegvideo"
2917 mpeg4video_parser_select="h263dsp mpegvideo qpeldsp"
2918 vc1_parser_select="vc1dsp"
2921 aac_adtstoasc_bsf_select="adts_header"
2922 filter_units_bsf_select="cbs"
2923 h264_metadata_bsf_select="cbs_h264"
2924 h264_redundant_pps_bsf_select="cbs_h264"
2925 hevc_metadata_bsf_select="cbs_h265"
2926 mjpeg2jpeg_bsf_select="jpegtables"
2927 mpeg2_metadata_bsf_select="cbs_mpeg2"
2928 trace_headers_bsf_select="cbs"
2930 # external libraries
2931 aac_at_decoder_deps="audiotoolbox"
2932 aac_at_decoder_select="aac_adtstoasc_bsf"
2933 ac3_at_decoder_deps="audiotoolbox"
2934 ac3_at_decoder_select="ac3_parser"
2935 adpcm_ima_qt_at_decoder_deps="audiotoolbox"
2936 alac_at_decoder_deps="audiotoolbox"
2937 amr_nb_at_decoder_deps="audiotoolbox"
2938 avisynth_deps_any="libdl LoadLibrary"
2939 avisynth_demuxer_deps="avisynth"
2940 avisynth_demuxer_select="riffdec"
2941 eac3_at_decoder_deps="audiotoolbox"
2942 eac3_at_decoder_select="ac3_parser"
2943 gsm_ms_at_decoder_deps="audiotoolbox"
2944 ilbc_at_decoder_deps="audiotoolbox"
2945 mp1_at_decoder_deps="audiotoolbox"
2946 mp2_at_decoder_deps="audiotoolbox"
2947 mp3_at_decoder_deps="audiotoolbox"
2948 mp1_at_decoder_select="mpegaudioheader"
2949 mp2_at_decoder_select="mpegaudioheader"
2950 mp3_at_decoder_select="mpegaudioheader"
2951 pcm_alaw_at_decoder_deps="audiotoolbox"
2952 pcm_mulaw_at_decoder_deps="audiotoolbox"
2953 qdmc_at_decoder_deps="audiotoolbox"
2954 qdm2_at_decoder_deps="audiotoolbox"
2955 aac_at_encoder_deps="audiotoolbox"
2956 aac_at_encoder_select="audio_frame_queue"
2957 alac_at_encoder_deps="audiotoolbox"
2958 alac_at_encoder_select="audio_frame_queue"
2959 ilbc_at_encoder_deps="audiotoolbox"
2960 ilbc_at_encoder_select="audio_frame_queue"
2961 pcm_alaw_at_encoder_deps="audiotoolbox"
2962 pcm_alaw_at_encoder_select="audio_frame_queue"
2963 pcm_mulaw_at_encoder_deps="audiotoolbox"
2964 pcm_mulaw_at_encoder_select="audio_frame_queue"
2965 chromaprint_muxer_deps="chromaprint"
2966 h264_videotoolbox_encoder_deps="pthreads"
2967 h264_videotoolbox_encoder_select="videotoolbox_encoder"
2968 hevc_videotoolbox_encoder_deps="pthreads"
2969 hevc_videotoolbox_encoder_select="videotoolbox_encoder"
2970 libcelt_decoder_deps="libcelt"
2971 libcodec2_decoder_deps="libcodec2"
2972 libcodec2_encoder_deps="libcodec2"
2973 libfdk_aac_decoder_deps="libfdk_aac"
2974 libfdk_aac_encoder_deps="libfdk_aac"
2975 libfdk_aac_encoder_select="audio_frame_queue"
2976 libgme_demuxer_deps="libgme"
2977 libgsm_decoder_deps="libgsm"
2978 libgsm_encoder_deps="libgsm"
2979 libgsm_ms_decoder_deps="libgsm"
2980 libgsm_ms_encoder_deps="libgsm"
2981 libilbc_decoder_deps="libilbc"
2982 libilbc_encoder_deps="libilbc"
2983 libkvazaar_encoder_deps="libkvazaar"
2984 libmodplug_demuxer_deps="libmodplug"
2985 libmp3lame_encoder_deps="libmp3lame"
2986 libmp3lame_encoder_select="audio_frame_queue mpegaudioheader"
2987 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2988 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2989 libopencore_amrnb_encoder_select="audio_frame_queue"
2990 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2991 libopenh264_decoder_deps="libopenh264"
2992 libopenh264_decoder_select="h264_mp4toannexb_bsf"
2993 libopenh264_encoder_deps="libopenh264"
2994 libopenjpeg_decoder_deps="libopenjpeg"
2995 libopenjpeg_encoder_deps="libopenjpeg"
2996 libopenmpt_demuxer_deps="libopenmpt"
2997 libopus_decoder_deps="libopus"
2998 libopus_encoder_deps="libopus"
2999 libopus_encoder_select="audio_frame_queue"
3000 librsvg_decoder_deps="librsvg"
3001 libshine_encoder_deps="libshine"
3002 libshine_encoder_select="audio_frame_queue"
3003 libspeex_decoder_deps="libspeex"
3004 libspeex_encoder_deps="libspeex"
3005 libspeex_encoder_select="audio_frame_queue"
3006 libtheora_encoder_deps="libtheora"
3007 libtwolame_encoder_deps="libtwolame"
3008 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
3009 libvorbis_decoder_deps="libvorbis"
3010 libvorbis_encoder_deps="libvorbis libvorbisenc"
3011 libvorbis_encoder_select="audio_frame_queue"
3012 libvpx_vp8_decoder_deps="libvpx"
3013 libvpx_vp8_encoder_deps="libvpx"
3014 libvpx_vp9_decoder_deps="libvpx"
3015 libvpx_vp9_encoder_deps="libvpx"
3016 libwavpack_encoder_deps="libwavpack"
3017 libwavpack_encoder_select="audio_frame_queue"
3018 libwebp_encoder_deps="libwebp"
3019 libwebp_anim_encoder_deps="libwebp"
3020 libx262_encoder_deps="libx262"
3021 libx264_encoder_deps="libx264"
3022 libx264rgb_encoder_deps="libx264 x264_csp_bgr"
3023 libx264rgb_encoder_select="libx264_encoder"
3024 libx265_encoder_deps="libx265"
3025 libxavs_encoder_deps="libxavs"
3026 libxvid_encoder_deps="libxvid"
3027 libzvbi_teletext_decoder_deps="libzvbi"
3028 videotoolbox_suggest="coreservices"
3029 videotoolbox_deps="corefoundation coremedia corevideo"
3030 videotoolbox_encoder_deps="videotoolbox VTCompressionSessionPrepareToEncodeFrames"
3033 ac3_demuxer_select="ac3_parser"
3034 aiff_muxer_select="iso_media"
3035 asf_demuxer_select="riffdec"
3036 asf_o_demuxer_select="riffdec"
3037 asf_muxer_select="riffenc"
3038 asf_stream_muxer_select="asf_muxer"
3039 avi_demuxer_select="iso_media riffdec exif"
3040 avi_muxer_select="riffenc"
3041 caf_demuxer_select="iso_media riffdec"
3042 caf_muxer_select="iso_media"
3043 dash_muxer_select="mp4_muxer"
3044 dash_demuxer_deps="libxml2"
3045 dirac_demuxer_select="dirac_parser"
3046 dts_demuxer_select="dca_parser"
3047 dtshd_demuxer_select="dca_parser"
3048 dv_demuxer_select="dvprofile"
3049 dv_muxer_select="dvprofile"
3050 dxa_demuxer_select="riffdec"
3051 eac3_demuxer_select="ac3_parser"
3052 f4v_muxer_select="mov_muxer"
3053 fifo_muxer_deps="threads"
3054 flac_demuxer_select="flac_parser"
3055 hds_muxer_select="flv_muxer"
3056 hls_muxer_select="mpegts_muxer"
3057 hls_muxer_suggest="gcrypt openssl"
3058 image2_alias_pix_demuxer_select="image2_demuxer"
3059 image2_brender_pix_demuxer_select="image2_demuxer"
3060 ipod_muxer_select="mov_muxer"
3061 ismv_muxer_select="mov_muxer"
3062 matroska_audio_muxer_select="matroska_muxer"
3063 matroska_demuxer_select="iso_media riffdec"
3064 matroska_demuxer_suggest="bzlib lzo zlib"
3065 matroska_muxer_select="iso_media riffenc"
3066 mmf_muxer_select="riffenc"
3067 mov_demuxer_select="iso_media riffdec"
3068 mov_demuxer_suggest="zlib"
3069 mov_muxer_select="iso_media riffenc rtpenc_chain"
3070 mp3_demuxer_select="mpegaudio_parser"
3071 mp3_muxer_select="mpegaudioheader"
3072 mp4_muxer_select="mov_muxer"
3073 mpegts_demuxer_select="iso_media"
3074 mpegts_muxer_select="adts_muxer latm_muxer"
3075 mpegtsraw_demuxer_select="mpegts_demuxer"
3076 mxf_d10_muxer_select="mxf_muxer"
3077 mxf_opatom_muxer_select="mxf_muxer"
3078 nut_muxer_select="riffenc"
3079 nuv_demuxer_select="riffdec"
3080 oga_muxer_select="ogg_muxer"
3081 ogg_demuxer_select="dirac_parse"
3082 ogv_muxer_select="ogg_muxer"
3083 opus_muxer_select="ogg_muxer"
3084 psp_muxer_select="mov_muxer"
3085 rtp_demuxer_select="sdp_demuxer"
3086 rtp_muxer_select="golomb"
3087 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol srtp"
3088 rtsp_demuxer_select="http_protocol rtpdec"
3089 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
3090 sap_demuxer_select="sdp_demuxer"
3091 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
3092 sdp_demuxer_select="rtpdec"
3093 smoothstreaming_muxer_select="ismv_muxer"
3094 spdif_demuxer_select="adts_header"
3095 spdif_muxer_select="adts_header"
3096 spx_muxer_select="ogg_muxer"
3097 swf_demuxer_suggest="zlib"
3098 tak_demuxer_select="tak_parser"
3099 tg2_muxer_select="mov_muxer"
3100 tgp_muxer_select="mov_muxer"
3101 vobsub_demuxer_select="mpegps_demuxer"
3102 w64_demuxer_select="wav_demuxer"
3103 w64_muxer_select="wav_muxer"
3104 wav_demuxer_select="riffdec"
3105 wav_muxer_select="riffenc"
3106 webm_muxer_select="iso_media riffenc"
3107 webm_dash_manifest_demuxer_select="matroska_demuxer"
3108 wtv_demuxer_select="mpegts_demuxer riffdec"
3109 wtv_muxer_select="mpegts_muxer riffenc"
3110 xmv_demuxer_select="riffdec"
3111 xwma_demuxer_select="riffdec"
3114 android_camera_indev_deps="android camera2ndk mediandk pthreads"
3115 android_camera_indev_extralibs="-landroid -lcamera2ndk -lmediandk"
3116 alsa_indev_deps="alsa"
3117 alsa_outdev_deps="alsa"
3118 avfoundation_indev_deps="avfoundation corevideo coremedia pthreads"
3119 avfoundation_indev_suggest="coregraphics applicationservices"
3120 avfoundation_indev_extralibs="-framework Foundation"
3121 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
3122 caca_outdev_deps="libcaca"
3123 decklink_deps_any="libdl LoadLibrary"
3124 decklink_indev_deps="decklink threads"
3125 decklink_indev_extralibs="-lstdc++"
3126 decklink_outdev_deps="decklink threads"
3127 decklink_outdev_extralibs="-lstdc++"
3128 libndi_newtek_indev_deps="libndi_newtek"
3129 libndi_newtek_indev_extralibs="-lndi"
3130 libndi_newtek_outdev_deps="libndi_newtek"
3131 libndi_newtek_outdev_extralibs="-lndi"
3132 dshow_indev_deps="IBaseFilter"
3133 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"
3134 fbdev_indev_deps="linux_fb_h"
3135 fbdev_outdev_deps="linux_fb_h"
3136 gdigrab_indev_deps="CreateDIBSection"
3137 gdigrab_indev_extralibs="-lgdi32"
3138 gdigrab_indev_select="bmp_decoder"
3139 iec61883_indev_deps="libiec61883"
3140 jack_indev_deps="libjack"
3141 jack_indev_deps_any="sem_timedwait dispatch_dispatch_h"
3142 kmsgrab_indev_deps="libdrm"
3143 lavfi_indev_deps="avfilter"
3144 libcdio_indev_deps="libcdio"
3145 libdc1394_indev_deps="libdc1394"
3146 openal_indev_deps="openal"
3147 opengl_outdev_deps="opengl"
3148 oss_indev_deps_any="sys_soundcard_h"
3149 oss_outdev_deps_any="sys_soundcard_h"
3150 pulse_indev_deps="libpulse"
3151 pulse_outdev_deps="libpulse"
3152 sdl2_outdev_deps="sdl2"
3153 sndio_indev_deps="sndio"
3154 sndio_outdev_deps="sndio"
3155 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
3156 v4l2_indev_suggest="libv4l2"
3157 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
3158 v4l2_outdev_suggest="libv4l2"
3159 vfwcap_indev_deps="vfw32 vfwcap_defines"
3160 xcbgrab_indev_deps="libxcb"
3161 xcbgrab_indev_suggest="libxcb_shm libxcb_shape libxcb_xfixes"
3162 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
3163 xv_outdev_extralibs="-lXv -lX11 -lXext"
3166 async_protocol_deps="threads"
3167 bluray_protocol_deps="libbluray"
3168 ffrtmpcrypt_protocol_conflict="librtmp_protocol"
3169 ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"
3170 ffrtmpcrypt_protocol_select="tcp_protocol"
3171 ffrtmphttp_protocol_conflict="librtmp_protocol"
3172 ffrtmphttp_protocol_select="http_protocol"
3173 ftp_protocol_select="tcp_protocol"
3174 gopher_protocol_select="network"
3175 http_protocol_select="tcp_protocol"
3176 http_protocol_suggest="zlib"
3177 httpproxy_protocol_select="tcp_protocol"
3178 httpproxy_protocol_suggest="zlib"
3179 https_protocol_select="tls_protocol"
3180 https_protocol_suggest="zlib"
3181 icecast_protocol_select="http_protocol"
3182 librtmp_protocol_deps="librtmp"
3183 librtmpe_protocol_deps="librtmp"
3184 librtmps_protocol_deps="librtmp"
3185 librtmpt_protocol_deps="librtmp"
3186 librtmpte_protocol_deps="librtmp"
3187 libsmbclient_protocol_deps="libsmbclient gplv3"
3188 libssh_protocol_deps="libssh"
3189 libtls_conflict="openssl gnutls"
3190 mmsh_protocol_select="http_protocol"
3191 mmst_protocol_select="network"
3192 rtmp_protocol_conflict="librtmp_protocol"
3193 rtmp_protocol_select="tcp_protocol"
3194 rtmp_protocol_suggest="zlib"
3195 rtmpe_protocol_select="ffrtmpcrypt_protocol"
3196 rtmpe_protocol_suggest="zlib"
3197 rtmps_protocol_conflict="librtmp_protocol"
3198 rtmps_protocol_select="tls_protocol"
3199 rtmps_protocol_suggest="zlib"
3200 rtmpt_protocol_select="ffrtmphttp_protocol"
3201 rtmpt_protocol_suggest="zlib"
3202 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
3203 rtmpte_protocol_suggest="zlib"
3204 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
3205 rtmpts_protocol_suggest="zlib"
3206 rtp_protocol_select="udp_protocol"
3207 schannel_conflict="openssl gnutls libtls"
3208 sctp_protocol_deps="struct_sctp_event_subscribe struct_msghdr_msg_flags"
3209 sctp_protocol_select="network"
3210 securetransport_conflict="openssl gnutls libtls"
3211 srtp_protocol_select="rtp_protocol srtp"
3212 tcp_protocol_select="network"
3213 tls_protocol_deps_any="gnutls openssl schannel securetransport libtls"
3214 tls_protocol_select="tcp_protocol"
3215 udp_protocol_select="network"
3216 udplite_protocol_select="network"
3217 unix_protocol_deps="sys_un_h"
3218 unix_protocol_select="network"
3221 afftfilt_filter_deps="avcodec"
3222 afftfilt_filter_select="fft"
3223 afir_filter_deps="avcodec"
3224 afir_filter_select="fft"
3225 amovie_filter_deps="avcodec avformat"
3226 aresample_filter_deps="swresample"
3227 ass_filter_deps="libass"
3228 atempo_filter_deps="avcodec"
3229 atempo_filter_select="rdft"
3230 azmq_filter_deps="libzmq"
3231 blackframe_filter_deps="gpl"
3232 boxblur_filter_deps="gpl"
3233 bs2b_filter_deps="libbs2b"
3234 colormatrix_filter_deps="gpl"
3235 convolve_filter_deps="avcodec"
3236 convolve_filter_select="fft"
3237 coreimage_filter_deps="coreimage appkit"
3238 coreimage_filter_extralibs="-framework OpenGL"
3239 coreimagesrc_filter_deps="coreimage appkit"
3240 coreimagesrc_filter_extralibs="-framework OpenGL"
3241 cover_rect_filter_deps="avcodec avformat gpl"
3242 cropdetect_filter_deps="gpl"
3243 deconvolve_filter_deps="avcodec"
3244 deconvolve_filter_select="fft"
3245 deinterlace_qsv_filter_deps="libmfx"
3246 deinterlace_vaapi_filter_deps="vaapi"
3247 delogo_filter_deps="gpl"
3248 denoise_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
3249 deshake_filter_select="pixelutils"
3250 drawtext_filter_deps="libfreetype"
3251 drawtext_filter_suggest="libfontconfig libfribidi"
3252 elbg_filter_deps="avcodec"
3253 eq_filter_deps="gpl"
3254 fftfilt_filter_deps="avcodec"
3255 fftfilt_filter_select="rdft"
3256 find_rect_filter_deps="avcodec avformat gpl"
3257 firequalizer_filter_deps="avcodec"
3258 firequalizer_filter_select="rdft"
3259 flite_filter_deps="libflite"
3260 framerate_filter_select="pixelutils"
3261 frei0r_filter_deps="frei0r libdl"
3262 frei0r_src_filter_deps="frei0r libdl"
3263 fspp_filter_deps="gpl"
3264 geq_filter_deps="gpl"
3265 histeq_filter_deps="gpl"
3266 hqdn3d_filter_deps="gpl"
3267 interlace_filter_deps="gpl"
3268 kerndeint_filter_deps="gpl"
3269 ladspa_filter_deps="ladspa libdl"
3270 lv2_filter_deps="lv2"
3271 mcdeint_filter_deps="avcodec gpl"
3272 movie_filter_deps="avcodec avformat"
3273 mpdecimate_filter_deps="gpl"
3274 mpdecimate_filter_select="pixelutils"
3275 mptestsrc_filter_deps="gpl"
3276 negate_filter_deps="lut_filter"
3277 nnedi_filter_deps="gpl"
3278 ocr_filter_deps="libtesseract"
3279 ocv_filter_deps="libopencv"
3280 openclsrc_filter_deps="opencl"
3281 overlay_opencl_filter_deps="opencl"
3282 overlay_qsv_filter_deps="libmfx"
3283 overlay_qsv_filter_select="qsvvpp"
3284 owdenoise_filter_deps="gpl"
3285 pan_filter_deps="swresample"
3286 perspective_filter_deps="gpl"
3287 phase_filter_deps="gpl"
3288 pp7_filter_deps="gpl"
3289 pp_filter_deps="gpl postproc"
3290 procamp_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
3291 program_opencl_filter_deps="opencl"
3292 pullup_filter_deps="gpl"
3293 removelogo_filter_deps="avcodec avformat swscale"
3294 repeatfields_filter_deps="gpl"
3295 resample_filter_deps="avresample"
3296 rubberband_filter_deps="librubberband"
3297 sab_filter_deps="gpl swscale"
3298 scale2ref_filter_deps="swscale"
3299 scale_filter_deps="swscale"
3300 scale_qsv_filter_deps="libmfx"
3301 select_filter_select="pixelutils"
3302 sharpness_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
3303 showcqt_filter_deps="avcodec avformat swscale"
3304 showcqt_filter_suggest="libfontconfig libfreetype"
3305 showcqt_filter_select="fft"
3306 showfreqs_filter_deps="avcodec"
3307 showfreqs_filter_select="fft"
3308 showspectrum_filter_deps="avcodec"
3309 showspectrum_filter_select="fft"
3310 showspectrumpic_filter_deps="avcodec"
3311 showspectrumpic_filter_select="fft"
3312 signature_filter_deps="gpl avcodec avformat"
3313 smartblur_filter_deps="gpl swscale"
3314 sofalizer_filter_deps="libmysofa avcodec"
3315 sofalizer_filter_select="fft"
3316 spectrumsynth_filter_deps="avcodec"
3317 spectrumsynth_filter_select="fft"
3318 spp_filter_deps="gpl avcodec"
3319 spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"
3320 stereo3d_filter_deps="gpl"
3321 subtitles_filter_deps="avformat avcodec libass"
3322 super2xsai_filter_deps="gpl"
3323 pixfmts_super2xsai_test_deps="super2xsai_filter"
3324 tinterlace_filter_deps="gpl"
3325 tinterlace_merge_test_deps="tinterlace_filter"
3326 tinterlace_pad_test_deps="tinterlace_filter"
3327 tonemap_filter_deps="const_nan"
3328 unsharp_opencl_filter_deps="opencl"
3329 uspp_filter_deps="gpl avcodec"
3330 vaguedenoiser_filter_deps="gpl"
3331 vidstabdetect_filter_deps="libvidstab"
3332 vidstabtransform_filter_deps="libvidstab"
3333 libvmaf_filter_deps="libvmaf pthreads"
3334 zmq_filter_deps="libzmq"
3335 zoompan_filter_deps="swscale"
3336 zscale_filter_deps="libzimg const_nan"
3337 scale_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
3338 vpp_qsv_filter_deps="libmfx"
3339 vpp_qsv_filter_select="qsvvpp"
3342 avio_dir_cmd_deps="avformat avutil"
3343 avio_reading_deps="avformat avcodec avutil"
3344 decode_audio_example_deps="avcodec avutil"
3345 decode_video_example_deps="avcodec avutil"
3346 demuxing_decoding_example_deps="avcodec avformat avutil"
3347 encode_audio_example_deps="avcodec avutil"
3348 encode_video_example_deps="avcodec avutil"
3349 extract_mvs_example_deps="avcodec avformat avutil"
3350 filter_audio_example_deps="avfilter avutil"
3351 filtering_audio_example_deps="avfilter avcodec avformat avutil"
3352 filtering_video_example_deps="avfilter avcodec avformat avutil"
3353 http_multiclient_example_deps="avformat avutil fork"
3354 hw_decode_example_deps="avcodec avformat avutil"
3355 metadata_example_deps="avformat avutil"
3356 muxing_example_deps="avcodec avformat avutil swscale"
3357 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder"
3358 remuxing_example_deps="avcodec avformat avutil"
3359 resampling_audio_example_deps="avutil swresample"
3360 scaling_video_example_deps="avutil swscale"
3361 transcode_aac_example_deps="avcodec avformat swresample"
3362 transcoding_example_deps="avfilter avcodec avformat avutil"
3363 vaapi_encode_example_deps="avcodec avutil h264_vaapi_encoder"
3364 vaapi_transcode_example_deps="avcodec avformat avutil h264_vaapi_encoder"
3367 cpu_init_extralibs="pthreads_extralibs"
3368 cws2fws_extralibs="zlib_extralibs"
3370 # libraries, in linking order
3371 avcodec_deps="avutil"
3372 avcodec_suggest="libm"
3373 avcodec_select="null_bsf"
3374 avdevice_deps="avformat avcodec avutil"
3375 avdevice_suggest="libm"
3376 avfilter_deps="avutil"
3377 avfilter_suggest="libm"
3378 avformat_deps="avcodec avutil"
3379 avformat_suggest="libm network zlib"
3380 avresample_deps="avutil"
3381 avresample_suggest="libm"
3382 avutil_suggest="clock_gettime ffnvcodec libm libdrm libmfx opencl user32 vaapi videotoolbox corefoundation corevideo coremedia wincrypt"
3383 postproc_deps="avutil gpl"
3384 postproc_suggest="libm"
3385 swresample_deps="avutil"
3386 swresample_suggest="libm libsoxr"
3387 swscale_deps="avutil"
3388 swscale_suggest="libm"
3390 avcodec_extralibs="pthreads_extralibs iconv_extralibs"
3391 avfilter_extralibs="pthreads_extralibs"
3392 avutil_extralibs="d3d11va_extralibs nanosleep_extralibs pthreads_extralibs vaapi_drm_extralibs vaapi_x11_extralibs vdpau_x11_extralibs"
3395 ffmpeg_deps="avcodec avfilter avformat swresample"
3396 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
3399 ffmpeg_suggest="ole32 psapi shell32"
3400 ffplay_deps="avcodec avformat swscale swresample sdl2"
3401 ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"
3402 ffplay_suggest="shell32"
3403 ffprobe_deps="avcodec avformat"
3404 ffprobe_suggest="shell32"
3407 podpages_deps="perl"
3408 manpages_deps="perl pod2man"
3409 htmlpages_deps="perl"
3410 htmlpages_deps_any="makeinfo_html texi2html"
3411 txtpages_deps="perl makeinfo"
3412 doc_deps_any="manpages htmlpages podpages txtpages"
3414 # default parameters
3416 logfile="ffbuild/config.log"
3418 # installation paths
3419 prefix_default="/usr/local"
3420 bindir_default='${prefix}/bin'
3421 datadir_default='${prefix}/share/ffmpeg'
3422 docdir_default='${prefix}/share/doc/ffmpeg'
3423 incdir_default='${prefix}/include'
3424 libdir_default='${prefix}/lib'
3425 mandir_default='${prefix}/share/man'
3431 host_cc_default="gcc"
3432 doxygen_default="doxygen"
3434 ln_s_default="ln -s -f"
3436 pkg_config_default=pkg-config
3437 ranlib_default="ranlib"
3438 strip_default="strip"
3439 version_script='--version-script'
3441 x86asmexe_default="nasm"
3442 windres_default="windres"
3444 nvccflags_default="-gencode arch=compute_30,code=sm_30 -O2"
3448 target_os_default=$(tolower $(uname -s))
3449 host_os=$target_os_default
3452 if test "$target_os_default" = aix; then
3453 arch_default=$(uname -p)
3454 strip_default="strip -X32_64"
3456 arch_default=$(uname -m)
3461 # configurable options
3462 enable $PROGRAM_LIST
3463 enable $DOCUMENT_LIST
3464 enable $EXAMPLE_LIST
3465 enable $(filter_out avresample $LIBRARY_LIST)
3471 enable faan faandct faanidct
3472 enable optimizations
3473 enable runtime_cpudetect
3474 enable safe_bitstream_reader
3476 enable swscale_alpha
3477 enable valgrind_backtrace
3479 sws_max_filter_size_default=256
3480 set_default sws_max_filter_size
3482 # internal components are enabled by default
3483 enable $EXTRALIBS_LIST
3485 # Avoid external, non-system, libraries getting enabled by dependency resolution
3486 disable $EXTERNAL_LIBRARY_LIST $HWACCEL_LIBRARY_LIST
3489 SHFLAGS='-shared -Wl,-soname,$$(@F)'
3492 FULLNAME='$(NAME)$(BUILDSUF)'
3493 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
3496 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
3497 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
3498 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
3499 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
3500 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
3501 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
3502 VERSION_SCRIPT_POSTPROCESS_CMD="cat"
3529 host_extralibs='-lm'
3530 host_cflags_filter=echo
3531 host_ldflags_filter=echo
3533 target_path='$(CURDIR)'
3535 # since the object filename is not given with the -MM flag, the compiler
3536 # is only able to print the basename, and we must add the path ourselves
3537 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>/dev/null | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(@F),$(@D)/$(@F)," > $(@:.o=.d)'
3543 if test -f configure; then
3546 source_path=$(cd $(dirname "$0"); pwd)
3547 case "$source_path" in
3548 *[[:blank:]]*) die "Out of tree builds are impossible with whitespace in source path." ;;
3550 test -e "$source_path/config.h" &&
3551 die "Out of tree builds are impossible with config.h in source dir."
3558 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
3564 file=$source_path/$3
3565 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
3568 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
3570 find_things_extern(){
3573 file=$source_path/$3
3575 sed -n "s/^[^#]*extern.*$pattern *ff_\([^ ]*\)_$thing;/\1_$out/p" "$file"
3578 OUTDEV_LIST=$(find_things_extern muxer AVOutputFormat libavdevice/alldevices.c outdev)
3579 INDEV_LIST=$(find_things_extern demuxer AVInputFormat libavdevice/alldevices.c indev)
3580 MUXER_LIST=$(find_things_extern muxer AVOutputFormat libavformat/allformats.c)
3581 DEMUXER_LIST=$(find_things_extern demuxer AVInputFormat libavformat/allformats.c)
3582 ENCODER_LIST=$(find_things_extern encoder AVCodec libavcodec/allcodecs.c)
3583 DECODER_LIST=$(find_things_extern decoder AVCodec libavcodec/allcodecs.c)
3588 PARSER_LIST=$(find_things_extern parser AVCodecParser libavcodec/parser.c)
3589 BSF_LIST=$(find_things_extern bsf AVBitStreamFilter libavcodec/bitstream_filters.c)
3590 HWACCEL_LIST=$(find_things_extern hwaccel AVHWAccel libavcodec/hwaccels.h)
3591 PROTOCOL_LIST=$(find_things_extern protocol URLProtocol libavformat/protocols.c)
3593 AVCODEC_COMPONENTS_LIST="
3601 AVDEVICE_COMPONENTS_LIST="
3606 AVFILTER_COMPONENTS_LIST="
3610 AVFORMAT_COMPONENTS_LIST="
3617 $AVCODEC_COMPONENTS_LIST
3618 $AVDEVICE_COMPONENTS_LIST
3619 $AVFILTER_COMPONENTS_LIST
3620 $AVFORMAT_COMPONENTS_LIST
3623 for n in $COMPONENT_LIST; do
3624 v=$(toupper ${n%s})_LIST
3626 eval ${n}_if_any="\$$v"
3629 enable $ARCH_EXT_LIST
3632 echo "Unknown option \"$1\"."
3633 echo "See $0 --help for available options."
3637 print_in_columns() {
3638 cols=$(expr $ncols / 24)
3639 cat | tr ' ' '\n' | sort | pr -r "-$cols" -w $ncols -t
3645 echo $* | sed s/$suffix//g | print_in_columns
3657 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
3658 echo "prob ${prob:-0.5}"
3666 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
3667 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
3676 --extra-ldexeflags=*)
3677 add_ldexeflags $optval
3679 --extra-ldsoflags=*)
3680 add_ldsoflags $optval
3682 --extra-ldlibflags=*)
3683 warn "The --extra-ldlibflags option is only provided for compatibility and will be\n"\
3684 "removed in the future. Use --extra-ldsoflags instead."
3685 add_ldsoflags $optval
3688 add_extralibs $optval
3691 disable $INDEV_LIST $OUTDEV_LIST
3694 debuglevel="$optval"
3697 disable $PROGRAM_LIST
3699 --disable-everything)
3700 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3703 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3704 disable $LIBRARY_LIST $PROGRAM_LIST doc
3707 --enable-random|--disable-random)
3708 action=${opt%%-random}
3709 do_random ${action#--} $COMPONENT_LIST
3711 --enable-random=*|--disable-random=*)
3712 action=${opt%%-random=*}
3713 do_random ${action#--} $optval
3718 --enable-*=*|--disable-*=*)
3719 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
3720 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
3721 eval list=\$$(toupper $thing)_LIST
3722 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
3723 list=$(filter "$name" $list)
3724 [ "$list" = "" ] && warn "Option $opt did not match anything"
3727 --enable-yasm|--disable-yasm)
3728 warn "The ${opt} option is only provided for compatibility and will be\n"\
3729 "removed in the future. Use --enable-x86asm / --disable-x86asm instead."
3730 test $opt = --enable-yasm && x86asm=yes || x86asm=no
3733 warn "The --yasmexe option is only provided for compatibility and will be\n"\
3734 "removed in the future. Use --x86asmexe instead."
3737 --enable-?*|--disable-?*)
3738 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
3739 if is_in $option $COMPONENT_LIST; then
3740 test $action = disable && action=unset
3741 eval $action \$$(toupper ${option%s})_LIST
3742 elif is_in $option $CMDLINE_SELECT; then
3749 NAME="${opt#--list-}"
3750 is_in $NAME $COMPONENT_LIST || die_unknown $opt
3752 eval show_list $NAME \$$(toupper $NAME)_LIST
3754 --help|-h) show_help
3756 --quiet|-q) quiet=yes
3758 --fatal-warnings) enable fatal_warnings
3761 libfuzzer_path="$optval"
3764 optname="${opt%%=*}"
3765 optname="${optname#--}"
3766 optname=$(echo "$optname" | sed 's/-/_/g')
3767 if is_in $optname $CMDLINE_SET; then
3768 eval $optname='$optval'
3769 elif is_in $optname $CMDLINE_APPEND; then
3770 append $optname "$optval"
3782 if disabled autodetect; then
3784 # Unless iconv is explicitely disabled by the user, we still want to probe
3785 # for the iconv from the libc.
3786 disabled iconv || enable libc_iconv
3788 disable_weak $EXTERNAL_AUTODETECT_LIBRARY_LIST
3789 disable_weak $HWACCEL_AUTODETECT_LIBRARY_LIST
3791 # Mark specifically enabled, but normally autodetected libraries as requested.
3792 for lib in $AUTODETECT_LIBS; do
3793 enabled $lib && request $lib
3795 #TODO: switch to $AUTODETECT_LIBS when $THREADS_LIST is supported the same way
3796 enable_weak $EXTERNAL_AUTODETECT_LIBRARY_LIST
3797 enable_weak $HWACCEL_AUTODETECT_LIBRARY_LIST
3799 disabled logging && logfile=/dev/null
3801 # command line configuration sanity checks
3803 # we need to build at least one lib type
3804 if ! enabled_any static shared; then
3806 At least one library type must be built.
3807 Specify --enable-static to build the static libraries or --enable-shared to
3808 build the shared libraries as well. To only build the shared libraries specify
3809 --disable-static in addition to --enable-shared.
3814 die_license_disabled() {
3815 enabled $1 || { enabled $v && die "$v is $1 and --enable-$1 is not specified."; }
3818 die_license_disabled_gpl() {
3819 enabled $1 || { enabled $v && die "$v is incompatible with the gpl and --enable-$1 is not specified."; }
3822 map "die_license_disabled gpl" $EXTERNAL_LIBRARY_GPL_LIST $EXTERNAL_LIBRARY_GPLV3_LIST
3823 map "die_license_disabled version3" $EXTERNAL_LIBRARY_VERSION3_LIST $EXTERNAL_LIBRARY_GPLV3_LIST
3825 enabled gpl && map "die_license_disabled_gpl nonfree" $EXTERNAL_LIBRARY_NONFREE_LIST
3826 map "die_license_disabled nonfree" $HWACCEL_LIBRARY_NONFREE_LIST
3828 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3830 if enabled nonfree; then
3831 license="nonfree and unredistributable"
3832 elif enabled gplv3; then
3833 license="GPL version 3 or later"
3834 elif enabled lgplv3; then
3835 license="LGPL version 3 or later"
3836 elif enabled gpl; then
3837 license="GPL version 2 or later"
3839 license="LGPL version 2.1 or later"
3842 enabled_all gnutls openssl &&
3843 die "GnuTLS and OpenSSL must not be enabled at the same time."
3845 # Disable all the library-specific components if the library itself
3846 # is disabled, see AVCODEC_LIST and following _LIST variables.
3848 disable_components(){
3849 disabled ${1} && disable $(
3850 eval components="\$$(toupper ${1})_COMPONENTS"
3851 map 'eval echo \${$(toupper ${v%s})_LIST}' $components
3855 map 'disable_components $v' $LIBRARY_LIST
3857 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
3860 test -n "$valgrind" && toolchain="valgrind-memcheck"
3862 enabled ossfuzz && {
3863 add_cflags -fsanitize=address,undefined -fsanitize-coverage=trace-pc-guard,trace-cmp -fno-omit-frame-pointer
3864 add_ldflags -fsanitize=address,undefined -fsanitize-coverage=trace-pc-guard,trace-cmp
3867 case "$toolchain" in
3869 cc_default="${toolchain%-asan}"
3870 add_cflags -fsanitize=address
3871 add_ldflags -fsanitize=address
3874 cc_default="${toolchain%-msan}"
3875 add_cflags -fsanitize=memory -fsanitize-memory-track-origins
3876 add_ldflags -fsanitize=memory
3879 cc_default="${toolchain%-tsan}"
3880 add_cflags -fsanitize=thread -fPIE
3881 add_ldflags -fsanitize=thread -pie
3882 case "$toolchain" in
3890 cc_default="${toolchain%-usan}"
3891 add_cflags -fsanitize=undefined
3892 add_ldflags -fsanitize=undefined
3895 target_exec_default="valgrind"
3896 case "$toolchain" in
3898 target_exec_args="--tool=massif --alloc-fn=av_malloc --alloc-fn=av_mallocz --alloc-fn=av_calloc --alloc-fn=av_fast_padded_malloc --alloc-fn=av_fast_malloc --alloc-fn=av_realloc_f --alloc-fn=av_fast_realloc --alloc-fn=av_realloc"
3901 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
3906 # Check whether the current MSVC version needs the C99 converter.
3907 # From MSVC 2013 (compiler major version 18) onwards, it does actually
3908 # support enough of C99 to build ffmpeg. Default to the new
3909 # behaviour if the regexp was unable to match anything, since this
3910 # successfully parses the version number of existing supported
3911 # versions that require the converter (MSVC 2010 and 2012).
3912 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
3913 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
3917 cc_default="c99wrap cl"
3918 cxx_default="c99wrap cl"
3920 ld_default="$source_path/compat/windows/mslink"
3921 nm_default="dumpbin -symbols"
3925 as_default="armasm64"
3931 target_os_default="win32"
3932 # Use a relative path for TMPDIR. This makes sure all the
3933 # ffconf temp files are written with a relative path, avoiding
3934 # issues with msys/win32 path conversion for MSVC parameters
3935 # such as -Fo<file> or -out:<file>.
3941 nm_default="dumpbin -symbols"
3943 target_os_default="win32"
3947 add_cflags -fprofile-arcs -ftest-coverage
3948 add_ldflags -fprofile-arcs -ftest-coverage
3951 add_cflags -fprofile-arcs -ftest-coverage
3952 add_ldflags --coverage
3955 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
3956 add_cflags -fno-strict-overflow -fstack-protector-all
3957 add_ldflags -Wl,-z,relro -Wl,-z,now
3959 add_ldexeflags -fPIE -pie
3962 die "Unknown toolchain $toolchain"
3966 if test -n "$cross_prefix"; then
3967 test -n "$arch" && test -n "$target_os" ||
3968 die "Must specify target arch (--arch) and OS (--target-os) when cross-compiling"
3969 enable cross_compile
3972 ar_default="${cross_prefix}${ar_default}"
3973 cc_default="${cross_prefix}${cc_default}"
3974 cxx_default="${cross_prefix}${cxx_default}"
3975 nm_default="${cross_prefix}${nm_default}"
3976 pkg_config_default="${cross_prefix}${pkg_config_default}"
3977 if ${cross_prefix}${ranlib_default} 2>&1 | grep -q "\-D "; then
3978 ranlib_default="${cross_prefix}${ranlib_default} -D"
3980 ranlib_default="${cross_prefix}${ranlib_default}"
3982 strip_default="${cross_prefix}${strip_default}"
3983 windres_default="${cross_prefix}${windres_default}"
3985 sysinclude_default="${sysroot}/usr/include"
3987 set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \
3988 target_exec target_os x86asmexe nvcc
3989 enabled cross_compile || host_cc_default=$cc
3992 pkg_config_fail_message=""
3993 if ! $pkg_config --version >/dev/null 2>&1; then
3994 warn "$pkg_config not found, library detection may fail."
3996 elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then
3997 pkg_config_fail_message="
3998 Note: When building a static binary, add --pkg-config-flags=\"--static\"."
4001 if test $doxygen != $doxygen_default && \
4002 ! $doxygen --version >/dev/null 2>&1; then
4003 warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."
4008 mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
4012 EXESUF=$(exesuf $target_os)
4013 HOSTEXESUF=$(exesuf $host_os)
4015 # set temporary file name
4016 : ${TMPDIR:=$TEMPDIR}
4020 if [ -n "$tempprefix" ] ; then
4022 tmpname="$tempprefix.${HOSTNAME}.${UID}"
4026 elif ! test_cmd mktemp -u XXXXXX; then
4027 # simple replacement for missing mktemp
4028 # NOT SAFE FOR GENERAL USE
4030 tmpname="${2%%XXX*}.${HOSTNAME}.${UID}.$$"
4036 FFTMPDIR=$(mktemp -d "${TMPDIR}/ffconf.XXXXXXXX" 2> /dev/null) ||
4037 die "Unable to create temporary directory in $TMPDIR."
4040 tmp="${FFTMPDIR}/test"$2
4041 (set -C; exec > $tmp) 2> /dev/null ||
4042 die "Unable to create temporary file in $FFTMPDIR."
4046 trap 'rm -rf -- "$FFTMPDIR"' EXIT
4052 tmpfile TMPE $EXESUF
4064 # make sure we can execute files in $TMPDIR
4065 cat > $TMPSH 2>> $logfile <<EOF
4068 chmod +x $TMPSH >> $logfile 2>&1
4069 if ! $TMPSH >> $logfile 2>&1; then
4071 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
4072 variable to another directory and make sure that it is not mounted noexec.
4074 die "Sanity test failed."
4080 # Filter out MSVC cl.exe options from cflags that shouldn't
4081 # be passed to gas-preprocessor
4091 -Wno-switch) echo -Wno-switch-enum ;;
4092 -Wno-format-zero-length) ;;
4093 -Wdisabled-optimization) ;;
4094 -Wno-pointer-sign) echo -Wno-other ;;
4100 msvc_common_flags(){
4103 # In addition to specifying certain flags under the compiler
4104 # specific filters, they must be specified here as well or else the
4105 # generic catch all at the bottom will print the original flag.
4110 -fomit-frame-pointer) ;;
4114 -fno-signed-zeros) ;;
4118 -lz) echo zlib.lib ;;
4119 -lx264) echo libx264.lib ;;
4121 -l*) echo ${flag#-l}.lib ;;
4122 -LARGEADDRESSAWARE) echo $flag ;;
4123 -L*) echo -libpath:${flag#-L} ;;
4130 msvc_common_flags "$@"
4133 -Wall) echo -W3 -wd4018 -wd4146 -wd4244 -wd4305 \
4135 -Wextra) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
4136 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
4137 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
4139 -wd4273 -wd4554 -wd4701 -wd4703 ;;
4145 msvc_common_flags "$@"
4148 # Despite what Intel's documentation says -Wall, which is supported
4149 # on Windows, does enable remarks so disable them here.
4150 -Wall) echo $flag -Qdiag-disable:remark ;;
4151 -std=c99) echo -Qstd=c99 ;;
4170 case "${flag#*=}" in
4171 native) echo -xtarget=native ;;
4172 v9|niagara) echo -xarch=sparc ;;
4173 ultrasparc) echo -xarch=sparcvis ;;
4174 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
4175 i586|pentium) echo -xchip=pentium ;;
4176 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
4177 pentium3*|c3-2) echo -xtarget=pentium3 ;;
4178 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
4179 pentium4*) echo -xtarget=pentium4 ;;
4180 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
4181 *-sse3) echo -xarch=sse3 ;;
4182 core2) echo -xarch=ssse3 -xchip=core2 ;;
4183 bonnell) echo -xarch=ssse3 ;;
4184 corei7|nehalem) echo -xtarget=nehalem ;;
4185 westmere) echo -xtarget=westmere ;;
4186 silvermont) echo -xarch=sse4_2 ;;
4187 corei7-avx|sandybridge) echo -xtarget=sandybridge ;;
4188 core-avx*|ivybridge|haswell|broadwell|skylake*|knl)
4190 amdfam10|barcelona) echo -xtarget=barcelona ;;
4191 btver1) echo -xarch=amdsse4a ;;
4192 btver2|bdver*|znver*) echo -xarch=avx ;;
4193 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
4194 k8|opteron|athlon64|athlon-fx)
4195 echo -xarch=sse2a ;;
4196 athlon*) echo -xarch=pentium_proa ;;
4199 -std=c99) echo -xc99 ;;
4200 -fomit-frame-pointer) echo -xregs=frameptr ;;
4201 -fPIC) echo -KPIC -xcode=pic32 ;;
4202 -W*,*) echo $flag ;;
4203 -f*-*|-W*|-mimpure-text) ;;
4215 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
4216 unset _ld_o _ldflags _ld_lib _ld_path
4217 unset _depflags _DEPCMD _DEPFLAGS
4220 if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
4221 true # no-op to avoid reading stdin in following checks
4222 elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
4224 gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')
4225 _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"
4226 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4229 elif $_cc -v 2>&1 | grep -qi ^gcc; then
4231 gcc_version=$($_cc --version | head -n1)
4232 gcc_basever=$($_cc -dumpversion)
4233 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
4234 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
4235 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
4236 case $gcc_basever in
4239 *) _depflags='-MMD -MF $(@:.o=.d) -MT $@' ;;
4241 if [ "$first" = true ]; then
4242 case $gcc_basever in
4244 warn "gcc 4.2 is outdated and may miscompile FFmpeg. Please use a newer compiler." ;;
4249 elif $_cc --version 2>/dev/null | grep -q ^icc; then
4251 _ident=$($_cc --version | head -n1)
4256 _flags_filter=icc_flags
4257 elif $_cc -v 2>&1 | grep -q xlc; then
4259 _ident=$($_cc -qversion 2>/dev/null | head -n1)
4261 _cflags_size='-O5 -qcompact'
4262 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
4263 test -d "$sysroot" || die "No valid sysroot specified."
4265 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
4266 armcc_conf="$PWD/armcc.conf"
4267 $_cc --arm_linux_configure \
4268 --arm_linux_config_file="$armcc_conf" \
4269 --configure_sysroot="$sysroot" \
4270 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
4271 die "Error creating armcc configuration file."
4272 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
4273 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
4274 as_default="${cross_prefix}gcc"
4278 elif $_cc -v 2>&1 | grep -q clang; then
4280 _ident=$($_cc --version 2>/dev/null | head -n1)
4281 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4284 elif $_cc -V 2>&1 | grep -q Sun; then
4286 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
4287 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
4288 _DEPFLAGS='-xM1 -xc99'
4291 _cflags_size='-O5 -xspace'
4292 _flags_filter=suncc_flags
4293 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
4295 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
4296 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4299 _flags_filter='filter_out -Wdisabled-optimization'
4300 elif $_cc -v 2>&1 | grep -q Open64; then
4302 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
4303 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4306 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
4307 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
4309 _ident=$($_cc | head -n1)
4310 # 4509: "This form of conditional instruction is deprecated"
4311 _flags="-nologo -ignore 4509"
4312 _flags_filter=armasm_flags
4313 elif $_cc 2>&1 | grep -q Intel; then
4315 _ident=$($_cc 2>&1 | head -n1)
4316 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
4317 # Not only is O3 broken on 13.x+ but it is slower on all previous
4318 # versions (tested) as well.
4320 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
4321 if $_cc 2>&1 | grep -q Linker; then
4328 _flags_filter=icl_flags
4330 _ld_path='-libpath:'
4331 # -Qdiag-error to make icl error when seeing certain unknown arguments
4332 _flags='-nologo -Qdiag-error:4044,10157'
4333 # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency
4334 # with MSVC which enables it by default.
4335 _cflags='-Qms0 -Qvec- -Qsimd- -GS -fp:precise'
4337 elif $_cc -? 2>/dev/null | grep -q 'LLVM.*Linker'; then
4338 # lld can emulate multiple different linkers; in ms link.exe mode,
4339 # the -? parameter gives the help output which contains an identifyable
4340 # string, while it gives an error in other modes.
4342 # The link.exe mode doesn't have a switch for getting the version,
4343 # but we can force it back to gnu mode and get the version from there.
4344 _ident=$($_cc -flavor gnu --version 2>/dev/null)
4346 _flags_filter=msvc_flags
4348 _ld_path='-libpath:'
4349 elif $_cc -nologo- 2>&1 | grep -q Microsoft; then
4351 _ident=$($_cc 2>&1 | head -n1 | tr -d '\r')
4352 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
4353 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
4357 if $_cc -nologo- 2>&1 | grep -q Linker; then
4364 _flags_filter=msvc_flags
4366 _ld_path='-libpath:'
4369 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
4371 _ident=$($_cc --version | head -n1)
4375 _flags_filter=cparser_flags
4378 eval ${pfx}_type=\$_type
4379 eval ${pfx}_ident=\$_ident
4383 eval ${1}_C=\${_cc_c-\${${1}_C}}
4384 eval ${1}_E=\${_cc_e-\${${1}_E}}
4385 eval ${1}_O=\${_cc_o-\${${1}_O}}
4387 if [ -n "$_depflags" ]; then
4388 eval ${1}_DEPFLAGS=\$_depflags
4390 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
4391 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
4392 eval DEP${1}FLAGS=\$_flags
4396 probe_cc cc "$cc" "true"
4397 cflags_filter=$_flags_filter
4398 cflags_speed=$_cflags_speed
4399 cflags_size=$_cflags_size
4400 cflags_noopt=$_cflags_noopt
4401 add_cflags $_flags $_cflags
4402 cc_ldflags=$_ldflags
4406 probe_cc hostcc "$host_cc"
4407 host_cflags_filter=$_flags_filter
4408 host_cflags_speed=$_cflags_speed
4409 add_host_cflags $_flags $_cflags
4412 test -n "$cc_type" && enable $cc_type ||
4413 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
4415 : ${as_default:=$cc}
4416 : ${objcc_default:=$cc}
4417 : ${dep_cc_default:=$cc}
4418 : ${ld_default:=$cc}
4419 : ${host_ld_default:=$host_cc}
4420 set_default ar as objcc dep_cc ld ln_s host_ld windres
4423 asflags_filter=$_flags_filter
4424 add_asflags $_flags $_cflags
4427 probe_cc objcc "$objcc"
4428 objcflags_filter=$_flags_filter
4429 add_objcflags $_flags $_cflags
4433 ldflags_filter=$_flags_filter
4434 add_ldflags $_flags $_ldflags
4435 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
4437 LD_LIB=${_ld_lib-$LD_LIB}
4438 LD_PATH=${_ld_path-$LD_PATH}
4440 probe_cc hostld "$host_ld"
4441 host_ldflags_filter=$_flags_filter
4442 add_host_ldflags $_flags $_ldflags
4443 HOSTLD_O=${_ld_o-$HOSTLD_O}
4445 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
4446 probe_cc depcc "$dep_cc"
4447 CCDEP=${_DEPCMD:-$DEPCMD}
4448 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
4452 if $ar 2>&1 | grep -q Microsoft; then
4455 elif $ar 2>&1 | grep -q "\[D\] "; then
4463 add_cflags $extra_cflags
4464 add_cxxflags $extra_cxxflags
4465 add_objcflags $extra_objcflags
4466 add_asflags $extra_cflags
4468 if test -n "$sysroot"; then
4471 add_cppflags --sysroot="$sysroot"
4472 add_ldflags --sysroot="$sysroot"
4477 if test "$cpu" = host; then
4478 enabled cross_compile &&
4479 die "--cpu=host makes no sense when cross-compiling."
4484 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
4486 s/.*$1=\\([^ ]*\\).*/\\1/
4491 cpu=$(check_native -march || check_native -mcpu)
4495 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
4496 sed -n "/cc1.*-target-cpu /{
4497 s/.*-target-cpu \\([^ ]*\\).*/\\1/
4502 cpu=$(check_native -march)
4506 test "${cpu:-host}" = host &&
4507 die "--cpu=host not supported with compiler $cc"
4510 # Deal with common $arch aliases
4534 "Power Macintosh"|ppc*|powerpc*)
4549 i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
4554 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
4557 # Add processor-specific flags
4558 if enabled aarch64; then
4562 cpuflags="-march=$cpu"
4565 cpuflags="-mcpu=$cpu"
4569 elif enabled alpha; then
4571 cpuflags="-mcpu=$cpu"
4573 elif enabled arm; then
4576 test_cpp_condition stddef.h \
4577 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
4582 if check_arm_arch 4; then echo armv4
4583 elif check_arm_arch 4T; then echo armv4t
4584 elif check_arm_arch 5; then echo armv5
4585 elif check_arm_arch 5E; then echo armv5e
4586 elif check_arm_arch 5T; then echo armv5t
4587 elif check_arm_arch 5TE; then echo armv5te
4588 elif check_arm_arch 5TEJ; then echo armv5te
4589 elif check_arm_arch 6; then echo armv6
4590 elif check_arm_arch 6J; then echo armv6j
4591 elif check_arm_arch 6K; then echo armv6k
4592 elif check_arm_arch 6Z; then echo armv6z
4593 elif check_arm_arch 6KZ; then echo armv6zk
4594 elif check_arm_arch 6ZK; then echo armv6zk
4595 elif check_arm_arch 6T2; then echo armv6t2
4596 elif check_arm_arch 7; then echo armv7
4597 elif check_arm_arch 7A 7_A; then echo armv7-a
4598 elif check_arm_arch 7S; then echo armv7-a
4599 elif check_arm_arch 7R 7_R; then echo armv7-r
4600 elif check_arm_arch 7M 7_M; then echo armv7-m
4601 elif check_arm_arch 7EM 7E_M; then echo armv7-m
4602 elif check_arm_arch 8A 8_A; then echo armv8-a
4606 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
4610 cpuflags="-march=$cpu"
4611 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
4614 cpuflags="-mcpu=$cpu"
4616 cortex-a*) subarch=armv7a ;;
4617 cortex-r*) subarch=armv7r ;;
4618 cortex-m*) enable thumb; subarch=armv7m ;;
4619 arm11*) subarch=armv6 ;;
4620 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
4621 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
4622 *) subarch=$(probe_arm_arch) ;;
4628 armv5t*) enable fast_clz ;;
4631 disabled fast_unaligned || enable fast_unaligned
4635 elif enabled avr32; then
4640 cpuflags="-mpart=$cpu"
4644 cpuflags="-march=$cpu"
4648 cpuflags="-mcpu=$cpu"
4652 cpuflags="-march=$cpu"
4656 elif enabled bfin; then
4658 cpuflags="-mcpu=$cpu"
4660 elif enabled mips; then
4662 cpuflags="-march=$cpu"
4664 if [ "$cpu" != "generic" ]; then
4674 24kc|24kf*|24kec|34kc|1004kc|24kef*|34kf*|1004kf*|74kc|74kf)
4685 enable local_aligned
4686 enable simd_align_16
4690 enable fast_unaligned
4691 disable aligned_stack
4697 cpuflags="-march=loongson3a -mhard-float -fno-expensive-optimizations"
4700 cpuflags="-march=loongson2e -mhard-float -fno-expensive-optimizations"
4703 cpuflags="-march=loongson2f -mhard-float -fno-expensive-optimizations"
4708 # Unknown CPU. Disable everything.
4709 warn "unknown CPU. Disabling all MIPS optimizations."
4732 24kef*|34kf*|1004kf*)
4740 check_cflags "-mtune=p5600" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops"
4744 check_cflags "-mtune=i6400 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64"
4748 check_cflags "-mtune=p6600 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64"
4752 # We do not disable anything. Is up to the user to disable the unwanted features.
4753 warn 'generic cpu selected'
4756 elif enabled ppc; then
4760 case $(tolower $cpu) in
4761 601|ppc601|powerpc601)
4762 cpuflags="-mcpu=601"
4765 603*|ppc603*|powerpc603*)
4766 cpuflags="-mcpu=603"
4769 604*|ppc604*|powerpc604*)
4770 cpuflags="-mcpu=604"
4773 g3|75*|ppc75*|powerpc75*)
4774 cpuflags="-mcpu=750"
4777 g4|745*|ppc745*|powerpc745*)
4778 cpuflags="-mcpu=7450"
4781 74*|ppc74*|powerpc74*)
4782 cpuflags="-mcpu=7400"
4785 g5|970|ppc970|powerpc970)
4786 cpuflags="-mcpu=970"
4790 cpuflags="-mcpu=$cpu"
4794 cpuflags="-mcpu=$cpu"
4797 cpuflags="-mcpu=cell"
4802 cpuflags="-mcpu=e500mc"
4806 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
4811 cpuflags="-mcpu=8540 -mhard-float"
4817 elif enabled sparc; then
4820 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
4821 cpuflags="-mcpu=$cpu"
4823 ultrasparc*|niagara[234])
4824 cpuflags="-mcpu=$cpu"
4828 elif enabled x86; then
4832 cpuflags="-march=$cpu"
4836 # targets that do NOT support nopl and conditional mov (cmov)
4837 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
4838 cpuflags="-march=$cpu"
4841 # targets that do support nopl and conditional mov (cmov)
4842 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\
4843 |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|skylake*|knl\
4844 |amdfam10|barcelona|b[dt]ver*|znver*)
4845 cpuflags="-march=$cpu"
4849 # targets that do support conditional mov but on which it's slow
4850 pentium4|pentium4m|prescott|nocona)
4851 cpuflags="-march=$cpu"
4859 if [ "$cpu" != generic ]; then
4860 add_cflags $cpuflags
4861 add_asflags $cpuflags
4862 test "$cc_type" = "$ld_type" && add_ldflags $cpuflags
4865 # compiler sanity check
4867 int main(void){ return 0; }
4869 if test "$?" != 0; then
4870 echo "$cc is unable to create an executable file."
4871 if test -z "$cross_prefix" && ! enabled cross_compile ; then
4872 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
4873 echo "Only do this if you know what cross compiling means."
4875 die "C compiler test failed."
4878 add_cppflags -D_ISOC99_SOURCE
4879 add_cxxflags -D__STDC_CONSTANT_MACROS
4880 check_cxxflags -std=c++11 || check_cxxflags -std=c++0x
4882 # some compilers silently accept -std=c11, so we also need to check that the
4883 # version macro is defined properly
4884 test_cflags_cc -std=c11 ctype.h "__STDC_VERSION__ >= 201112L" &&
4885 add_cflags -std=c11 ||
4886 check_cflags -std=c99
4888 check_cppflags -D_FILE_OFFSET_BITS=64
4889 check_cppflags -D_LARGEFILE_SOURCE
4891 add_host_cppflags -D_ISOC99_SOURCE
4892 check_host_cflags -std=c99
4893 check_host_cflags -Wall
4894 check_host_cflags $host_cflags_speed
4899 expr=${3:-'sizeof(void *) > 4'}
4900 test_code cc "" "int test[2*($expr) - 1]" &&
4901 subarch=$arch64 || subarch=$arch32
4907 enabled shared && enable_weak pic
4910 check_64bit mips mips64 '_MIPS_SIM > 1'
4911 enabled shared && enable_weak pic
4914 check_64bit parisc parisc64
4915 enabled shared && enable_weak pic
4918 check_64bit ppc ppc64
4919 enabled shared && enable_weak pic
4922 check_64bit s390 s390x
4923 enabled shared && enable_weak pic
4926 check_64bit sparc sparc64
4927 enabled shared && enable_weak pic
4930 check_64bit x86_32 x86_64
4931 # Treat x32 as x64 for now. Note it also needs pic if shared
4932 test "$subarch" = "x86_32" && test_cpp_condition stddef.h 'defined(__x86_64__)' &&
4933 subarch=x86_64 && enable x86_64 && disable x86_32
4934 if enabled x86_64; then
4935 enabled shared && enable_weak pic
4945 add_cppflags '-I\$(SRC_PATH)/compat/aix'
4946 enabled shared && add_ldflags -Wl,-brtl
4947 arflags='-Xany -r -c'
4951 enable section_data_rel_ro
4952 SLIB_INSTALL_NAME='$(SLIBNAME)'
4954 SHFLAGS='-shared -Wl,-soname,$(SLIBNAME)'
4957 prefix_default="/boot/common"
4958 network_extralibs="-lnetwork"
4962 SHFLAGS='-shared -Wl,-h,$$(@F)'
4963 enabled x86 && append SHFLAGS -mimpure-text
4964 network_extralibs="-lsocket -lnsl"
4965 add_cppflags -D__EXTENSIONS__
4966 # When using suncc to build, the Solaris linker will mark
4967 # an executable with each instruction set encountered by
4968 # the Solaris assembler. As our libraries contain their own
4969 # guards for processor-specific code, instead suppress
4970 # generation of the HWCAPS ELF section on Solaris x86 only.
4971 enabled_all suncc x86 &&
4972 echo "hwcap_1 = OVERRIDE;" > mapfile &&
4973 add_ldflags -Wl,-M,mapfile
4974 nm_default='nm -P -g'
4976 VERSION_SCRIPT_POSTPROCESS_CMD='perl $(SRC_PATH)/compat/solaris/make_sunver.pl - $(OBJS)'
4980 oss_indev_extralibs="-lossaudio"
4981 oss_outdev_extralibs="-lossaudio"
4982 enabled gcc || check_ldflags -Wl,-zmuldefs
4987 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
4989 oss_indev_extralibs="-lossaudio"
4990 oss_outdev_extralibs="-lossaudio"
4998 add_extralibs -lpoll -lgnugetopt
5002 enabled ppc && add_asflags -force_cpusubtype_ALL
5003 install_name_dir_default='$(SHLIBDIR)'
5004 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(INSTALL_NAME_DIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
5005 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
5007 add_ldflags -Wl,-dynamic,-search_paths_first
5008 check_cflags -Werror=partial-availability
5010 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
5011 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
5012 enabled x86_64 && objformat="macho64" || objformat="macho32"
5013 enabled_any pic shared x86_64 ||
5014 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
5015 check_header dispatch/dispatch.h &&
5016 add_cppflags '-I\$(SRC_PATH)/compat/dispatch_semaphore'
5017 if test -n "$sysroot"; then
5018 is_in -isysroot $cc $CPPFLAGS $CFLAGS || check_cppflags -isysroot $sysroot
5019 is_in -isysroot $ld $LDFLAGS || check_ldflags -isysroot $sysroot
5021 version_script='-exported_symbols_list'
5022 VERSION_SCRIPT_POSTPROCESS_CMD='tr " " "\n" | sed -n /global:/,/local:/p | grep ";" | tr ";" "\n" | sed -E "s/(.+)/_\1/g" | sed -E "s/(.+[^*])$$$$/\1*/"'
5025 die "Native MSYS builds are discouraged, please use the MINGW environment."
5030 if enabled x86_64; then
5031 LIBTARGET="i386:x86-64"
5032 elif enabled arm; then
5034 elif enabled aarch64; then
5037 if enabled shared; then
5038 # Cannot build both shared and static libs when using dllimport.
5041 enabled shared && ! enabled small && test_cmd $windres --version && enable gnu_windres
5042 enabled x86_32 && check_ldflags -Wl,--large-address-aware
5043 shlibdir_default="$bindir_default"
5046 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
5047 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
5048 if test_cmd lib.exe -list; then
5049 SLIB_EXTRA_CMD=-'lib.exe -nologo -machine:$(LIBTARGET) -def:$$(@:$(SLIBSUF)=.def) -out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
5050 if enabled x86_64; then
5054 SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
5056 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
5058 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
5059 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
5060 SLIB_CREATE_DEF_CMD='EXTERN_PREFIX="$(EXTERN_PREFIX)" AR="$(AR_CMD)" NM="$(NM_CMD)" $(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
5061 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--disable-auto-image-base $$(@:$(SLIBSUF)=.def)'
5062 enabled x86_64 && objformat="win64" || objformat="win32"
5063 dlltool="${cross_prefix}dlltool"
5066 check_ldflags -Wl,--nxcompat,--dynamicbase
5067 # Lets work around some stupidity in binutils.
5068 # ld will strip relocations from executables even though we need them
5069 # for dynamicbase (ASLR). Using -pie does retain the reloc section
5070 # however ld then forgets what the entry point should be (oops) so we
5071 # have to manually (re)set it.
5072 if enabled x86_32; then
5073 disabled debug && add_ldexeflags -Wl,--pic-executable,-e,_mainCRTStartup
5074 elif enabled x86_64; then
5075 disabled debug && add_ldexeflags -Wl,--pic-executable,-e,mainCRTStartup
5076 check_ldflags -Wl,--high-entropy-va # binutils 2.25
5077 # Set image base >4GB for extra entropy with HEASLR
5078 add_ldexeflags -Wl,--image-base,0x140000000
5079 append SHFLAGS -Wl,--image-base,0x180000000
5084 if enabled shared; then
5085 # Link to the import library instead of the normal static library
5088 # Cannot build both shared and static libs with MSVC or icl.
5091 enabled x86_32 && check_ldflags -LARGEADDRESSAWARE
5092 shlibdir_default="$bindir_default"
5095 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
5096 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
5097 SLIB_CREATE_DEF_CMD='EXTERN_PREFIX="$(EXTERN_PREFIX)" $(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
5098 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
5100 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
5101 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
5102 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
5103 enabled x86_64 && objformat="win64" || objformat="win32"
5109 shlibdir_default="$bindir_default"
5112 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
5113 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
5114 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
5116 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
5117 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
5118 enabled x86_64 && objformat="win64" || objformat="win32"
5120 enabled shared && ! enabled small && test_cmd $windres --version && enable gnu_windres
5121 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
5123 *-dos|freedos|opendos)
5124 network_extralibs="-lsocket"
5127 add_cppflags -U__STRICT_ANSI__
5130 enable section_data_rel_ro
5131 enabled_any arm aarch64 && enable_weak linux_perf
5135 ranlib="echo ignoring ranlib"
5141 add_cppflags -D_GNU_SOURCE
5142 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zhigh-mem -Zmap
5143 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
5147 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
5148 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(FULLNAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
5149 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(FULLNAME).def; \
5150 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(FULLNAME).def; \
5151 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(FULLNAME).def; \
5152 echo EXPORTS >> $(SUBDIR)$(FULLNAME).def; \
5153 emxexp $(OBJS) >> $(SUBDIR)$(FULLNAME).def'
5154 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(FULLNAME)_dll.a $(SUBDIR)$(FULLNAME).def; \
5155 emximp -o $(SUBDIR)$(LIBPREF)$(FULLNAME)_dll.lib $(SUBDIR)$(FULLNAME).def;'
5156 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
5158 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(FULLNAME)_dll.a $(LIBPREF)$(FULLNAME)_dll.lib'
5160 enable_weak os2threads
5163 add_cppflags -D_BSD_SOURCE
5168 add_cppflags -D_QNX_SOURCE
5169 network_extralibs="-lsocket"
5174 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
5175 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
5176 add_ldflags -Wl,--target1-abs,--no-undefined \
5177 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
5178 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
5179 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
5180 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
5181 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
5188 die "Unknown OS '$target_os'."
5192 # test if creating links works
5193 link_dest=$(mktemp -u $TMPDIR/dest_XXXXXXXX)
5194 link_name=$(mktemp -u $TMPDIR/name_XXXXXXXX)
5196 $ln_s "$link_dest" "$link_name"
5197 touch "$link_dest/test_file"
5198 if [ "$source_path" != "." ] && ([ ! -d src ] || [ -L src ]) && [ -e "$link_name/test_file" ]; then
5199 # create link to source path
5200 [ -e src ] && rm src
5201 $ln_s "$source_path" src
5204 # creating directory links doesn't work
5205 # fall back to using the full source path
5206 source_link="$source_path"
5212 # determine libc flavour
5217 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
5218 if test_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
5219 eval ${pfx}libc_type=uclibc
5220 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
5221 elif test_${pfx}cpp_condition features.h "defined __GLIBC__"; then
5222 eval ${pfx}libc_type=glibc
5223 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
5224 # MinGW headers can be installed on Cygwin, so check for newlib first.
5225 elif test_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
5226 eval ${pfx}libc_type=newlib
5227 add_${pfx}cppflags -U__STRICT_ANSI__ -D_XOPEN_SOURCE=600
5228 # MinGW64 is backwards compatible with MinGW32, so check for it first.
5229 elif test_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
5230 eval ${pfx}libc_type=mingw64
5231 if test_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then
5232 add_compat msvcrt/snprintf.o
5233 add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
5235 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
5236 eval test \$${pfx_no_}cc_type = "gcc" &&
5237 add_${pfx}cppflags -D__printf__=__gnu_printf__
5238 test_${pfx}cpp_condition windows.h "!defined(_WIN32_WINNT) || _WIN32_WINNT < 0x0600" &&
5239 add_${pfx}cppflags -D_WIN32_WINNT=0x0600
5240 elif test_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" ||
5241 test_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
5242 eval ${pfx}libc_type=mingw32
5243 test_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
5244 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
5245 die "ERROR: MinGW32 runtime version must be >= 3.15."
5246 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
5247 test_${pfx}cpp_condition _mingw.h "__MSVCRT_VERSION__ < 0x0700" &&
5248 add_${pfx}cppflags -D__MSVCRT_VERSION__=0x0700
5249 test_${pfx}cpp_condition windows.h "!defined(_WIN32_WINNT) || _WIN32_WINNT < 0x0600" &&
5250 add_${pfx}cppflags -D_WIN32_WINNT=0x0600
5251 eval test \$${pfx_no_}cc_type = "gcc" &&
5252 add_${pfx}cppflags -D__printf__=__gnu_printf__
5253 elif test_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
5254 eval ${pfx}libc_type=msvcrt
5255 if test_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then
5256 if [ "$pfx" = host_ ]; then
5257 add_host_cppflags -Dsnprintf=_snprintf
5259 add_compat strtod.o strtod=avpriv_strtod
5260 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
5261 _snprintf=avpriv_snprintf \
5262 vsnprintf=avpriv_vsnprintf
5265 add_${pfx}cppflags -D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS
5266 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
5267 # 0x601 by default unless something else is set by the user.
5268 # This can easily lead to us detecting functions only present
5269 # in such new versions and producing binaries requiring windows 7.0.
5270 # Therefore explicitly set the default to Vista unless the user has
5271 # set something else on the command line.
5272 # Don't do this if WINAPI_FAMILY is set and is set to a non-desktop
5273 # family. For these cases, configure is free to use any functions
5274 # found in the SDK headers by default. (Alternatively, we could force
5275 # _WIN32_WINNT to 0x0602 in that case.)
5276 test_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||
5277 { test_${pfx}cpp <<EOF && add_${pfx}cppflags -D_WIN32_WINNT=0x0600; }
5278 #ifdef WINAPI_FAMILY
5279 #include <winapifamily.h>
5280 #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
5285 if [ "$pfx" = "" ]; then
5286 check_func strtoll || add_cflags -Dstrtoll=_strtoi64
5287 check_func strtoull || add_cflags -Dstrtoull=_strtoui64
5289 elif test_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
5290 eval ${pfx}libc_type=klibc
5291 elif test_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then
5292 eval ${pfx}libc_type=bionic
5293 elif test_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then
5294 eval ${pfx}libc_type=solaris
5295 add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
5299 void *v = localtime_r;
5301 test "$?" != 0 && test_${pfx}cc -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 <<EOF && add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
5303 void *v = localtime_r;
5306 eval test -n "\${${pfx}libc_type}" && enable ${pfx}libc_${libc_type}
5312 # hacks for compiler/libc/os combinations
5316 add_compat strtod.o strtod=avpriv_strtod
5320 check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||
5321 add_cppflags '-I\$(SRC_PATH)/compat/float'
5323 test_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
5326 : ${shlibdir_default:="$libdir"}
5327 : ${pkgconfigdir_default:="$libdir/pkgconfig"}
5329 set_default $PATHS_LIST
5332 disabled optimizations || enabled ossfuzz || check_cflags -fomit-frame-pointer
5335 disabled pic && return
5338 case "$target_os" in
5339 mingw*|cygwin*|win*)
5348 enabled pic && enable_weak_pic
5350 test_cc <<EOF || die "Symbol mangling check failed."
5353 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
5354 extern_prefix=${sym%%ff_extern*}
5356 ! disabled inline_asm && check_inline_asm inline_asm '"" ::'
5358 for restrict_keyword in restrict __restrict__ __restrict ""; do
5359 test_cc <<EOF && break
5360 void foo(char * $restrict_keyword p);
5364 test_cc <<EOF && enable pragma_deprecated
5365 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
5368 test_cc <<EOF || die "endian test failed"
5369 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
5371 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
5373 test_cc <<EOF && enable const_nan
5375 void foo(void) { struct { double d; } static const bar[] = { { NAN } }; }
5378 if ! enabled ppc64 || enabled bigendian; then
5383 log "check_gas using '$as' as AS"
5384 # :vararg is used on aarch64, arm and ppc altivec
5385 test_as <<EOF || return 1
5386 .macro m n, y:vararg=0
5391 # .altmacro is only used in arm asm
5392 ! enabled arm || test_as <<EOF || return 1
5399 if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then
5401 enabled_any arm aarch64 && nogas=die
5402 enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn
5406 arm*) gaspp_as_type=armasm; as_noop=-h ;;
5407 gcc) gaspp_as_type=gas ;;
5408 *) gaspp_as_type=$as_type ;;
5411 [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"
5413 test "${as#*gas-preprocessor.pl}" != "$as" ||
5414 test_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- ${as:=$cc} $as_noop &&
5415 gas="${gas:=gas-preprocessor.pl} -arch $arch -as-type $gaspp_as_type -- ${as:=$cc}"
5417 if ! check_gas ; then
5420 $nogas "GNU assembler not found, install/update gas-preprocessor"
5423 test_as <<EOF && enable as_func
5429 check_inline_asm inline_asm_labels '"1:\n"'
5431 check_inline_asm inline_asm_nonlocal_labels '"Label:\n"'
5433 if enabled aarch64; then
5434 enabled armv8 && check_insn armv8 'prfm pldl1strm, [x0]'
5435 # internal assembler in clang 3.3 does not support this instruction
5436 enabled neon && check_insn neon 'ext v0.8B, v0.8B, v1.8B, #1'
5437 enabled vfp && check_insn vfp 'fmadd d0, d0, d1, d2'
5439 map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM
5441 elif enabled alpha; then
5445 elif enabled arm; then
5447 enabled msvc && check_cpp_condition thumb stddef.h "defined _M_ARMT"
5448 test_cpp_condition stddef.h "defined __thumb__" && test_cc <<EOF && enable_weak thumb
5449 float func(float a, float b){ return a+b; }
5451 enabled thumb && check_cflags -mthumb || check_cflags -marm
5453 if check_cpp_condition vfp_args stddef.h "defined __ARM_PCS_VFP"; then
5455 elif check_cpp_condition vfp_args stddef.h "defined _M_ARM_FP && _M_ARM_FP >= 30"; then
5457 elif ! test_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__" && [ $target_os != darwin ]; then
5458 case "${cross_prefix:-$cc}" in
5459 *hardfloat*) enable vfp_args; fpabi=vfp ;;
5460 *) test_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
5461 __asm__ (".eabi_attribute 28, 1");
5462 int main(void) { return 0; }
5465 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
5468 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
5469 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
5470 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
5471 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
5472 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
5473 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
5474 enabled setend && check_insn setend 'setend be'
5476 [ $target_os = linux ] || [ $target_os = android ] ||
5477 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
5480 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
5482 test_as <<EOF && enable as_arch_directive
5485 test_as <<EOF && enable as_fpu_directive
5489 # llvm's integrated assembler supports .object_arch from llvm 3.5
5490 [ "$objformat" = elf32 ] || [ "$objformat" = elf64 ] &&
5491 test_as <<EOF && enable as_object_arch
5495 # MS armasm fails to assemble our PIC constructs
5496 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
5498 elif enabled mips; then
5500 enabled loongson2 && check_inline_asm loongson2 '"dmult.g $8, $9, $10"'
5501 enabled loongson3 && check_inline_asm loongson3 '"gsldxc1 $f0, 0($2, $3)"'
5502 enabled mmi && check_inline_asm mmi '"punpcklhw $f0, $f0, $f0"'
5504 # Enable minimum ISA based on selected options
5505 if enabled mips64; then
5506 enabled mips64r6 && check_inline_asm_flags mips64r6 '"dlsa $0, $0, $0, 1"' '-mips64r6'
5507 enabled mips64r2 && check_inline_asm_flags mips64r2 '"dext $0, $0, 0, 1"' '-mips64r2'
5508 disabled mips64r6 && disabled mips64r2 && check_inline_asm_flags mips64r1 '"daddi $0, $0, 0"' '-mips64'
5510 enabled mips32r6 && check_inline_asm_flags mips32r6 '"aui $0, $0, 0"' '-mips32r6'
5511 enabled mips32r5 && check_inline_asm_flags mips32r5 '"eretnc"' '-mips32r5'
5512 enabled mips32r2 && check_inline_asm_flags mips32r2 '"ext $0, $0, 0, 1"' '-mips32r2'
5513 disabled mips32r6 && disabled mips32r5 && disabled mips32r2 && check_inline_asm_flags mips32r1 '"addi $0, $0, 0"' '-mips32'
5516 enabled mipsfpu && check_inline_asm_flags mipsfpu '"cvt.d.l $f0, $f2"' '-mhard-float'
5517 enabled mipsfpu && (enabled mips32r5 || enabled mips32r6 || enabled mips64r6) && check_inline_asm_flags mipsfpu '"cvt.d.l $f0, $f1"' '-mfp64'
5518 enabled mipsfpu && enabled msa && check_inline_asm_flags msa '"addvi.b $w0, $w1, 1"' '-mmsa' && check_header msa.h || disable msa
5519 enabled mipsdsp && check_inline_asm_flags mipsdsp '"addu.qb $t0, $t1, $t2"' '-mdsp'
5520 enabled mipsdspr2 && check_inline_asm_flags mipsdspr2 '"absq_s.qb $t0, $t1"' '-mdspr2'
5522 if enabled bigendian && enabled msa; then
5526 elif enabled parisc; then
5528 if enabled gcc; then
5529 case $($cc -dumpversion) in
5530 4.[3-9].*) check_cflags -fno-optimize-sibling-calls ;;
5534 elif enabled ppc; then
5536 enable local_aligned
5538 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
5539 check_inline_asm ibm_asm '"add 0, 0, 0"'
5540 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
5541 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
5543 if enabled altivec; then
5544 check_cflags -maltivec -mabi=altivec
5546 # check if our compiler supports Motorola AltiVec C API
5547 test_code cc altivec.h "vector signed int v1 = (vector signed int) { 0 };
5548 vector signed int v2 = (vector signed int) { 1 };
5549 v1 = vec_add(v1, v2);" ||
5552 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
5555 if enabled vsx; then
5556 check_cflags -mvsx &&
5557 test_code cc altivec.h "int v[4] = { 0 };
5558 vector signed int v1 = vec_vsx_ld(0, v);" ||
5562 if enabled power8; then
5563 check_cpp_condition power8 "altivec.h" "defined(_ARCH_PWR8)"
5566 elif enabled x86; then
5568 check_builtin rdtsc intrin.h "__rdtsc()"
5569 check_builtin mm_empty mmintrin.h "_mm_empty()"
5571 enable local_aligned
5573 # check whether EBP is available on x86
5574 # As 'i' is stored on the stack, this program will crash
5575 # if the base pointer is used to access it because the
5576 # base pointer is cleared in the inline assembly code.
5577 check_exec_crash <<EOF && enable ebp_available
5579 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
5583 # check whether EBX is available on x86
5584 check_inline_asm ebx_available '""::"b"(0)' &&
5585 check_inline_asm ebx_available '"":::"%ebx"'
5587 # check whether xmm clobbers are supported
5588 check_inline_asm xmm_clobbers '"":::"%xmm0"'
5590 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' ||
5591 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"'
5593 # check whether binutils is new enough to compile SSSE3/MMXEXT
5594 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
5595 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
5599 if test_cmd $x86asmexe_probe -v; then
5600 x86asmexe=$x86asmexe_probe
5602 x86asm_debug="-g -F dwarf"
5604 X86ASM_DEPFLAGS='-MD $(@:.o=.d)'
5605 elif test_cmd $x86asmexe_probe --version; then
5606 x86asmexe=$x86asmexe_probe
5608 x86asm_debug="-g dwarf2"
5609 X86ASMDEP='$(DEPX86ASM) $(X86ASMFLAGS) -M $(X86ASM_O) $< > $(@:.o=.d)'
5612 test_x86asm "movbe ecx, [5]" && enable x86asm
5615 if ! disabled_any asm mmx x86asm; then
5617 for program in $x86asmexe nasm yasm; do
5618 probe_x86asm $program && break
5620 disabled x86asm && die "nasm/yasm not found or too old. Use --disable-x86asm for a crippled build."
5621 X86ASMFLAGS="-f $objformat"
5622 enabled pic && append X86ASMFLAGS "-DPIC"
5623 test -n "$extern_prefix" && append X86ASMFLAGS "-DPREFIX"
5624 case "$objformat" in
5625 elf*) enabled debug && append X86ASMFLAGS $x86asm_debug ;;
5628 test_x86asm "vmovdqa32 [eax]{k1}{z}, zmm0" || disable avx512_external
5629 test_x86asm "vextracti128 xmm0, ymm0, 0" || disable avx2_external
5630 test_x86asm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external
5631 test_x86asm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
5632 test_x86asm "CPU amdnop" || disable cpunop
5636 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
5643 test_code cc arm_neon.h "int16x8_t test = vdupq_n_s16(0)" && enable intrinsics_neon
5645 check_ldflags -Wl,--as-needed
5646 check_ldflags -Wl,-z,noexecstack
5648 if ! disabled network; then
5649 check_func getaddrinfo $network_extralibs
5650 check_func inet_aton $network_extralibs
5652 check_type netdb.h "struct addrinfo"
5653 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
5654 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
5655 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
5656 check_type poll.h "struct pollfd"
5657 check_type netinet/sctp.h "struct sctp_event_subscribe"
5658 check_struct "sys/socket.h" "struct msghdr" msg_flags
5659 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
5660 check_type netinet/in.h "struct sockaddr_in6"
5661 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
5662 check_type "sys/types.h sys/socket.h" socklen_t
5664 # Prefer arpa/inet.h over winsock2
5665 if check_header arpa/inet.h ; then
5666 check_func closesocket
5667 elif check_header winsock2.h ; then
5668 check_func_headers winsock2.h closesocket -lws2 &&
5669 network_extralibs="-lws2" ||
5670 { check_func_headers winsock2.h closesocket -lws2_32 &&
5671 network_extralibs="-lws2_32"; } || disable winsock2_h network
5672 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
5674 check_type ws2tcpip.h socklen_t
5675 check_type ws2tcpip.h "struct addrinfo"
5676 check_type ws2tcpip.h "struct group_source_req"
5677 check_type ws2tcpip.h "struct ip_mreq_source"
5678 check_type ws2tcpip.h "struct ipv6_mreq"
5679 check_type winsock2.h "struct pollfd"
5680 check_struct winsock2.h "struct sockaddr" sa_len
5681 check_type ws2tcpip.h "struct sockaddr_in6"
5682 check_type ws2tcpip.h "struct sockaddr_storage"
5688 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
5689 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
5690 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
5691 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
5692 check_builtin gmtime_r time.h "time_t *time; struct tm *tm; gmtime_r(time, tm)"
5693 check_builtin localtime_r time.h "time_t *time; struct tm *tm; localtime_r(time, tm)"
5694 check_builtin x264_csp_bgr "stdint.h x264.h" "X264_CSP_BGR"
5696 case "$custom_allocator" in
5698 # jemalloc by default does not use a prefix
5699 require libjemalloc jemalloc/jemalloc.h malloc -ljemalloc
5702 require_pkg_config libtcmalloc libtcmalloc gperftools/tcmalloc.h tc_malloc
5707 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
5708 check_func ${malloc_prefix}memalign && enable memalign
5709 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
5712 check_func_headers stdlib.h arc4random
5713 check_lib clock_gettime time.h clock_gettime || check_lib clock_gettime time.h clock_gettime -lrt
5716 check_func gethrtime
5718 check_func getrusage
5719 check_func gettimeofday
5724 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
5725 check_func_headers time.h nanosleep || check_lib nanosleep time.h nanosleep -lrt
5726 check_func sched_getaffinity
5727 check_func setrlimit
5728 check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE
5729 check_func strerror_r
5734 check_func_headers conio.h kbhit
5735 check_func_headers io.h setmode
5736 check_func_headers lzo/lzo1x.h lzo1x_999_compress
5737 check_func_headers mach/mach_time.h mach_absolute_time
5738 check_func_headers stdlib.h getenv
5739 check_func_headers sys/stat.h lstat
5741 check_func_headers windows.h GetProcessAffinityMask
5742 check_func_headers windows.h GetProcessTimes
5743 check_func_headers windows.h GetSystemTimeAsFileTime
5744 check_func_headers windows.h LoadLibrary
5745 check_func_headers windows.h MapViewOfFile
5746 check_func_headers windows.h PeekNamedPipe
5747 check_func_headers windows.h SetConsoleTextAttribute
5748 check_func_headers windows.h SetConsoleCtrlHandler
5749 check_func_headers windows.h Sleep
5750 check_func_headers windows.h VirtualAlloc
5751 check_func_headers glob.h glob
5753 check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext
5755 check_header direct.h
5756 check_header dirent.h
5757 check_header dxgidebug.h
5759 check_header dxva2api.h -D_WIN32_WINNT=0x0600
5761 check_header libcrystalhd/libcrystalhd_if.h
5762 check_header malloc.h
5763 check_header net/udplite.h
5765 check_header sys/param.h
5766 check_header sys/resource.h
5767 check_header sys/select.h
5768 check_header sys/time.h
5769 check_header sys/un.h
5770 check_header termios.h
5771 check_header unistd.h
5772 check_header valgrind/valgrind.h
5773 check_func_headers VideoToolbox/VTCompressionSession.h VTCompressionSessionPrepareToEncodeFrames -framework VideoToolbox
5774 check_header windows.h
5775 check_header X11/extensions/XvMClib.h
5776 check_header asm/types.h
5778 # it seems there are versions of clang in some distros that try to use the
5779 # gcc headers, which explodes for stdatomic
5780 # so we also check that atomics actually work here
5781 check_builtin stdatomic stdatomic.h "atomic_int foo, bar = ATOMIC_VAR_INIT(-1); atomic_store(&foo, 0)"
5783 check_lib advapi32 "windows.h" RegCloseKey -ladvapi32
5784 check_lib ole32 "windows.h" CoTaskMemFree -lole32
5785 check_lib shell32 "windows.h shellapi.h" CommandLineToArgvW -lshell32
5786 check_lib wincrypt "windows.h wincrypt.h" CryptGenRandom -ladvapi32
5787 check_lib psapi "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
5789 check_lib android android/native_window.h ANativeWindow_acquire -landroid
5790 check_lib mediandk "stdint.h media/NdkImage.h" AImage_delete -lmediandk
5791 check_lib camera2ndk "stdbool.h stdint.h camera/NdkCameraManager.h" ACameraManager_create -lcamera2ndk
5793 enabled appkit && check_apple_framework AppKit
5794 enabled audiotoolbox && check_apple_framework AudioToolbox
5795 enabled avfoundation && check_apple_framework AVFoundation
5796 enabled coreimage && check_apple_framework CoreImage
5797 enabled videotoolbox && check_apple_framework VideoToolbox
5799 check_apple_framework CoreFoundation
5800 check_apple_framework CoreMedia
5801 check_apple_framework CoreVideo
5803 enabled avfoundation && {
5804 disable coregraphics applicationservices
5805 check_lib coregraphics CoreGraphics/CoreGraphics.h CGGetActiveDisplayList "-framework CoreGraphics" ||
5806 check_lib applicationservices ApplicationServices/ApplicationServices.h CGGetActiveDisplayList "-framework ApplicationServices"; }
5808 enabled videotoolbox && {
5809 check_lib coreservices CoreServices/CoreServices.h UTGetOSTypeFromString "-framework CoreServices"
5810 check_func_headers CoreMedia/CMFormatDescription.h kCMVideoCodecType_HEVC "-framework CoreMedia"
5813 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
5815 check_type "windows.h dxva.h" "DXVA_PicParams_HEVC" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0
5816 check_type "windows.h dxva.h" "DXVA_PicParams_VP9" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0
5817 check_type "windows.h d3d11.h" "ID3D11VideoDecoder"
5818 check_type "windows.h d3d11.h" "ID3D11VideoContext"
5819 check_type "d3d9.h dxva2api.h" DXVA2_ConfigPictureDecode -D_WIN32_WINNT=0x0602
5821 check_type "va/va.h va/va_dec_hevc.h" "VAPictureParameterBufferHEVC"
5822 check_type "va/va.h va/va_dec_vp8.h" "VAPictureParameterBufferVP8"
5823 check_struct "va/va.h" "VADecPictureParameterBufferVP9" bit_depth
5824 check_type "va/va.h va/va_vpp.h" "VAProcPipelineParameterBuffer"
5825 check_type "va/va.h va/va_enc_h264.h" "VAEncPictureParameterBufferH264"
5826 check_type "va/va.h va/va_enc_hevc.h" "VAEncPictureParameterBufferHEVC"
5827 check_type "va/va.h va/va_enc_jpeg.h" "VAEncPictureParameterBufferJPEG"
5828 check_type "va/va.h va/va_enc_mpeg2.h" "VAEncPictureParameterBufferMPEG2"
5829 check_type "va/va.h va/va_enc_vp8.h" "VAEncPictureParameterBufferVP8"
5830 check_type "va/va.h va/va_enc_vp9.h" "VAEncPictureParameterBufferVP9"
5832 check_type "vdpau/vdpau.h" "VdpPictureInfoHEVC"
5834 if ! disabled ffnvcodec; then
5835 check_pkg_config ffnvcodec "ffnvcodec >= 8.0.14.1" \
5836 "ffnvcodec/nvEncodeAPI.h ffnvcodec/dynlink_cuda.h ffnvcodec/dynlink_cuviddec.h ffnvcodec/dynlink_nvcuvid.h" ""
5839 check_cpp_condition winrt windows.h "!WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)"
5841 if ! disabled w32threads && ! enabled pthreads; then
5842 check_func_headers "windows.h process.h" _beginthreadex &&
5843 check_type "windows.h" CONDITION_VARIABLE &&
5844 enable w32threads || disable w32threads
5845 if ! enabled w32threads && enabled winrt; then
5846 check_func_headers "windows.h" CreateThread &&
5847 enable w32threads || disable w32threads
5851 # check for some common methods of building with pthread support
5852 # do this before the optional library checks as some of them require pthreads
5853 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
5854 if check_lib pthreads pthread.h pthread_join -pthread &&
5855 check_lib pthreads pthread.h pthread_create -pthread; then
5857 elif check_lib pthreads pthread.h pthread_join -pthreads &&
5858 check_lib pthreads pthread.h pthread_create -pthreads; then
5859 add_cflags -pthreads
5860 elif check_lib pthreads pthread.h pthread_join -ldl -pthread &&
5861 check_lib pthreads pthread.h pthread_create -ldl -pthread; then
5862 add_cflags -ldl -pthread
5863 elif check_lib pthreads pthread.h pthread_join -lpthreadGC2 &&
5864 check_lib pthreads pthread.h pthread_create -lpthreadGC2; then
5866 elif check_lib pthreads pthread.h pthread_join -lpthread &&
5867 check_lib pthreads pthread.h pthread_create -lpthread; then
5869 elif check_func pthread_join && check_func pthread_create; then
5872 test_code cc "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER" || disable pthreads
5874 if enabled pthreads; then
5875 check_builtin sem_timedwait semaphore.h "sem_t *s; sem_init(s,0,0); sem_timedwait(s,0); sem_destroy(s)" $pthreads_extralibs
5876 check_func pthread_cancel $pthreads_extralibs
5880 enabled zlib && check_lib zlib zlib.h zlibVersion -lz
5881 enabled bzlib && check_lib bzlib bzlib.h BZ2_bzlibVersion -lbz2
5882 enabled lzma && check_lib lzma lzma.h lzma_version_number -llzma
5884 # On some systems dynamic loading requires no extra linker flags
5885 check_lib libdl dlfcn.h "dlopen dlsym" || check_lib libdl dlfcn.h "dlopen dlsym" -ldl
5887 check_lib libm math.h sin -lm
5895 for func in $MATH_FUNCS; do
5896 eval check_mathfunc $func \${${func}_args:-1} $libm_extralibs
5899 for func in $COMPLEX_FUNCS; do
5900 eval check_complexfunc $func \${${func}_args:-1}
5903 # these are off by default, so fail if requested and not available
5904 enabled cuda_sdk && require cuda_sdk cuda.h cuCtxCreate -lcuda
5905 enabled chromaprint && require chromaprint chromaprint.h chromaprint_get_version -lchromaprint
5906 enabled decklink && { require_header DeckLinkAPI.h &&
5907 { test_cpp_condition DeckLinkAPIVersion.h "BLACKMAGIC_DECKLINK_API_VERSION >= 0x0a060100" || die "ERROR: Decklink API version must be >= 10.6.1."; } }
5908 enabled libndi_newtek && require_header Processing.NDI.Lib.h
5909 enabled frei0r && require_header frei0r.h
5910 enabled gmp && require gmp gmp.h mpz_export -lgmp
5911 enabled gnutls && require_pkg_config gnutls gnutls gnutls/gnutls.h gnutls_global_init
5912 enabled jni && { [ $target_os = "android" ] && check_header jni.h && enabled pthreads || die "ERROR: jni not found"; }
5913 enabled ladspa && require_header ladspa.h
5914 enabled lv2 && require_pkg_config lv2 lilv-0 "lilv-0/lilv/lilv.h" lilv_world_new
5915 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
5916 enabled libass && require_pkg_config libass libass ass/ass.h ass_library_init
5917 enabled libbluray && require_pkg_config libbluray libbluray libbluray/bluray.h bd_open
5918 enabled libbs2b && require_pkg_config libbs2b libbs2b bs2b.h bs2b_open
5919 enabled libcelt && require libcelt celt/celt.h celt_decode -lcelt0 &&
5920 { check_lib libcelt celt/celt.h celt_decoder_create_custom -lcelt0 ||
5921 die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
5922 enabled libcaca && require_pkg_config libcaca caca caca.h caca_create_canvas
5923 enabled libcodec2 && require libcodec2 codec2/codec2.h codec2_create -lcodec2
5924 enabled libdc1394 && require_pkg_config libdc1394 libdc1394-2 dc1394/dc1394.h dc1394_new
5925 enabled libdrm && require_pkg_config libdrm libdrm xf86drm.h drmGetVersion
5926 enabled libfdk_aac && { check_pkg_config libfdk_aac fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen ||
5927 { require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac &&
5928 warn "using libfdk without pkg-config"; } }
5929 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"
5930 enabled libflite && require libflite "flite/flite.h" flite_init $flite_extralibs
5931 enabled fontconfig && enable libfontconfig
5932 enabled libfontconfig && require_pkg_config libfontconfig fontconfig "fontconfig/fontconfig.h" FcInit
5933 enabled libfreetype && require_pkg_config libfreetype freetype2 "ft2build.h FT_FREETYPE_H" FT_Init_FreeType
5934 enabled libfribidi && require_pkg_config libfribidi fribidi fribidi.h fribidi_version_info
5935 enabled libgme && { check_pkg_config libgme libgme gme/gme.h gme_new_emu ||
5936 require libgme gme/gme.h gme_new_emu -lgme -lstdc++; }
5937 enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
5938 check_lib libgsm "${gsm_hdr}" gsm_create -lgsm && break;
5939 done || die "ERROR: libgsm not found"; }
5940 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc $pthreads_extralibs
5941 enabled libkvazaar && require_pkg_config libkvazaar "kvazaar >= 0.8.1" kvazaar.h kvz_api_get
5942 # While it may appear that require is being used as a pkg-config
5943 # fallback for libmfx, it is actually being used to detect a different
5944 # installation route altogether. If libmfx is installed via the Intel
5945 # Media SDK or Intel Media Server Studio, these don't come with
5946 # pkg-config support. Instead, users should make sure that the build
5947 # can find the libraries and headers through other means.
5948 enabled libmfx && { check_pkg_config libmfx libmfx "mfx/mfxvideo.h" MFXInit ||
5949 { require libmfx "mfx/mfxvideo.h" MFXInit "-llibmfx $advapi32_extralibs" && warn "using libmfx without pkg-config"; } }
5950 enabled libmodplug && require_pkg_config libmodplug libmodplug libmodplug/modplug.h ModPlug_Load
5951 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame $libm_extralibs
5952 enabled libmysofa && require libmysofa "mysofa.h" mysofa_load -lmysofa $zlib_extralibs
5953 enabled libnpp && { check_lib libnpp npp.h nppGetLibVersion -lnppig -lnppicc -lnppc ||
5954 check_lib libnpp npp.h nppGetLibVersion -lnppi -lnppc ||
5955 die "ERROR: libnpp not found"; }
5956 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
5957 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
5958 enabled libopencv && { check_header opencv2/core/core_c.h &&
5959 { check_pkg_config libopencv opencv opencv2/core/core_c.h cvCreateImageHeader ||
5960 require libopencv opencv2/core/core_c.h cvCreateImageHeader -lopencv_core -lopencv_imgproc; } ||
5961 require_pkg_config libopencv opencv opencv/cxcore.h cvCreateImageHeader; }
5962 enabled libopenh264 && require_pkg_config libopenh264 openh264 wels/codec_api.h WelsGetCodecVersion
5963 enabled libopenjpeg && { check_pkg_config libopenjpeg "libopenjp2 >= 2.1.0" openjpeg.h opj_version ||
5964 { require_pkg_config libopenjpeg "libopenjp2 >= 2.1.0" openjpeg.h opj_version -DOPJ_STATIC && add_cppflags -DOPJ_STATIC; } }
5965 enabled libopenmpt && require_pkg_config libopenmpt "libopenmpt >= 0.2.6557" libopenmpt/libopenmpt.h openmpt_module_create -lstdc++ && append libopenmpt_extralibs "-lstdc++"
5966 enabled libopus && {
5967 enabled libopus_decoder && {
5968 require_pkg_config libopus opus opus_multistream.h opus_multistream_decoder_create
5970 enabled libopus_encoder && {
5971 require_pkg_config libopus opus opus_multistream.h opus_multistream_surround_encoder_create
5974 enabled libpulse && require_pkg_config libpulse libpulse pulse/pulseaudio.h pa_context_new
5975 enabled librsvg && require_pkg_config librsvg librsvg-2.0 librsvg-2.0/librsvg/rsvg.h rsvg_handle_render_cairo
5976 enabled librtmp && require_pkg_config librtmp librtmp librtmp/rtmp.h RTMP_Socket
5977 enabled librubberband && require_pkg_config librubberband "rubberband >= 1.8.1" rubberband/rubberband-c.h rubberband_new -lstdc++ && append librubberband_extralibs "-lstdc++"
5978 enabled libshine && require_pkg_config libshine shine shine/layer3.h shine_encode_buffer
5979 enabled libsmbclient && { check_pkg_config libsmbclient smbclient libsmbclient.h smbc_init ||
5980 require libsmbclient libsmbclient.h smbc_init -lsmbclient; }
5981 enabled libsnappy && require libsnappy snappy-c.h snappy_compress -lsnappy -lstdc++
5982 enabled libsoxr && require libsoxr soxr.h soxr_create -lsoxr
5983 enabled libssh && require_pkg_config libssh libssh libssh/sftp.h sftp_init
5984 enabled libspeex && require_pkg_config libspeex speex speex/speex.h speex_decoder_init
5985 enabled libtesseract && require_pkg_config libtesseract tesseract tesseract/capi.h TessBaseAPICreate
5986 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
5987 enabled libtls && require_pkg_config libtls libtls tls.h tls_configure
5988 enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame &&
5989 { check_lib libtwolame twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
5990 die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
5991 enabled libv4l2 && require_pkg_config libv4l2 libv4l2 libv4l2.h v4l2_ioctl
5992 enabled libvidstab && require_pkg_config libvidstab "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit
5993 enabled libvmaf && require_pkg_config libvmaf "libvmaf >= 0.6.2" libvmaf.h compute_vmaf
5994 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
5995 enabled libvorbis && require_pkg_config libvorbis vorbis vorbis/codec.h vorbis_info_init &&
5996 require_pkg_config libvorbisenc vorbisenc vorbis/vorbisenc.h vorbis_encode_init
5999 enabled libvpx_vp8_decoder && {
6000 check_pkg_config libvpx_vp8_decoder "vpx >= 1.4.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp8_dx ||
6001 check_lib libvpx_vp8_decoder "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_dec_init_ver VPX_IMG_FMT_HIGHBITDEPTH" -lvpx ||
6002 die "ERROR: libvpx decoder version must be >=1.4.0";
6004 enabled libvpx_vp8_encoder && {
6005 check_pkg_config libvpx_vp8_encoder "vpx >= 1.4.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp8_cx ||
6006 check_lib libvpx_vp8_encoder "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VPX_IMG_FMT_HIGHBITDEPTH" -lvpx ||
6007 die "ERROR: libvpx encoder version must be >=1.4.0";
6009 enabled libvpx_vp9_decoder && {
6010 check_pkg_config libvpx_vp9_decoder "vpx >= 1.4.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx ||
6011 check_lib libvpx_vp9_decoder "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx VPX_IMG_FMT_HIGHBITDEPTH" "-lvpx $libm_extralibs"
6013 enabled libvpx_vp9_encoder && {
6014 check_pkg_config libvpx_vp9_encoder "vpx >= 1.4.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx ||
6015 check_lib libvpx_vp9_encoder "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VPX_IMG_FMT_HIGHBITDEPTH" "-lvpx $libm_extralibs"
6017 if disabled_all libvpx_vp8_decoder libvpx_vp9_decoder libvpx_vp8_encoder libvpx_vp9_encoder; then
6018 die "libvpx enabled but no supported decoders found"
6022 enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack
6023 enabled libwebp && {
6024 enabled libwebp_encoder && require_pkg_config libwebp "libwebp >= 0.2.0" webp/encode.h WebPGetEncoderVersion
6025 enabled libwebp_anim_encoder && check_pkg_config libwebp_anim_encoder "libwebpmux >= 0.4.0" webp/mux.h WebPAnimEncoderOptionsInit; }
6026 enabled libx264 && { check_pkg_config libx264 x264 "stdint.h x264.h" x264_encoder_encode ||
6027 { require libx264 "stdint.h x264.h" x264_encoder_encode "-lx264 $pthreads_extralibs $libm_extralibs" &&
6028 warn "using libx264 without pkg-config"; } } &&
6029 require_cpp_condition x264.h "X264_BUILD >= 118" &&
6030 check_cpp_condition libx262 x264.h "X264_MPEG2"
6031 enabled libx265 && require_pkg_config libx265 x265 x265.h x265_api_get &&
6032 require_cpp_condition x265.h "X265_BUILD >= 68"
6033 enabled libxavs && require libxavs "stdint.h xavs.h" xavs_encoder_encode "-lxavs $pthreads_extralibs $libm_extralibs"
6034 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
6035 enabled libzimg && require_pkg_config libzimg "zimg >= 2.7.0" zimg.h zimg_get_api_version
6036 enabled libzmq && require_pkg_config libzmq libzmq zmq.h zmq_ctx_new
6037 enabled libzvbi && require_pkg_config libzvbi zvbi-0.2 libzvbi.h vbi_decoder_new &&
6038 { test_cpp_condition libzvbi.h "VBI_VERSION_MAJOR > 0 || VBI_VERSION_MINOR > 2 || VBI_VERSION_MINOR == 2 && VBI_VERSION_MICRO >= 28" ||
6039 enabled gpl || die "ERROR: libzvbi requires version 0.2.28 or --enable-gpl."; }
6040 enabled libxml2 && require_pkg_config libxml2 libxml-2.0 libxml2/libxml/xmlversion.h xmlCheckVersion
6041 enabled mediacodec && { enabled jni || die "ERROR: mediacodec requires --enable-jni"; }
6042 enabled mmal && { check_lib mmal interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ||
6043 { ! enabled cross_compile &&
6044 add_cflags -isystem/opt/vc/include/ -isystem/opt/vc/include/interface/vmcs_host/linux -isystem/opt/vc/include/interface/vcos/pthreads -fgnu89-inline &&
6045 add_ldflags -L/opt/vc/lib/ &&
6046 check_lib mmal interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host; } ||
6047 die "ERROR: mmal not found" &&
6048 check_func_headers interface/mmal/mmal.h "MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS"; }
6049 enabled openal && { { for al_extralibs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
6050 check_lib openal 'AL/al.h' alGetError "${al_extralibs}" && break; done } ||
6051 die "ERROR: openal not found"; } &&
6052 { test_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
6053 die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
6054 enabled opencl && { check_lib opencl OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||
6055 check_lib opencl CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||
6056 die "ERROR: opencl not found"; } &&
6057 { test_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||
6058 test_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||
6059 die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }
6060 enabled opengl && { check_lib opengl GL/glx.h glXGetProcAddress "-lGL" ||
6061 check_lib opengl windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||
6062 check_lib opengl OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||
6063 check_lib opengl ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||
6064 die "ERROR: opengl not found."
6066 enabled omx && require_header OMX_Core.h
6067 enabled omx_rpi && { check_header OMX_Core.h ||
6068 { ! enabled cross_compile && add_cflags -isystem/opt/vc/include/IL && check_header OMX_Core.h ; } ||
6069 die "ERROR: OpenMAX IL headers not found"; } && enable omx
6070 enabled openssl && { check_pkg_config openssl openssl openssl/ssl.h OPENSSL_init_ssl ||
6071 check_pkg_config openssl openssl openssl/ssl.h SSL_library_init ||
6072 check_lib openssl openssl/ssl.h SSL_library_init -lssl -lcrypto ||
6073 check_lib openssl openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
6074 check_lib openssl openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
6075 die "ERROR: openssl not found"; }
6076 enabled rkmpp && { require_pkg_config rkmpp rockchip_mpp rockchip/rk_mpi.h mpp_create &&
6077 require_pkg_config rockchip_mpp "rockchip_mpp >= 1.3.7" rockchip/rk_mpi.h mpp_create &&
6079 die "ERROR: rkmpp requires --enable-libdrm"; }
6082 if enabled gcrypt; then
6083 GCRYPT_CONFIG="${cross_prefix}libgcrypt-config"
6084 if "${GCRYPT_CONFIG}" --version > /dev/null 2>&1; then
6085 gcrypt_cflags=$("${GCRYPT_CONFIG}" --cflags)
6086 gcrypt_extralibs=$("${GCRYPT_CONFIG}" --libs)
6087 check_func_headers gcrypt.h gcry_mpi_new $gcrypt_cflags $gcrypt_extralibs ||
6088 die "ERROR: gcrypt not found"
6089 add_cflags $gcrypt_cflags
6091 require gcrypt gcrypt.h gcry_mpi_new -lgcrypt
6095 if enabled sdl2; then
6096 SDL2_CONFIG="${cross_prefix}sdl2-config"
6097 test_pkg_config sdl2 "sdl2 >= 2.0.1 sdl2 < 2.1.0" SDL_events.h SDL_PollEvent
6098 if disabled sdl2 && "${SDL2_CONFIG}" --version > /dev/null 2>&1; then
6099 sdl2_cflags=$("${SDL2_CONFIG}" --cflags)
6100 sdl2_extralibs=$("${SDL2_CONFIG}" --libs)
6101 test_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x020001" $sdl2_cflags &&
6102 test_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x020100" $sdl2_cflags &&
6103 check_func_headers SDL_events.h SDL_PollEvent $sdl2_extralibs $sdl2_cflags &&
6106 if test $target_os = "mingw32"; then
6107 sdl2_extralibs=$(filter_out '-mwindows' $sdl2_extralibs)
6111 if enabled decklink; then
6113 mingw32*|mingw64*|win32|win64)
6114 decklink_outdev_extralibs="$decklink_outdev_extralibs -lole32 -loleaut32"
6115 decklink_indev_extralibs="$decklink_indev_extralibs -lole32 -loleaut32"
6120 enabled securetransport &&
6121 check_func SecIdentityCreate "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&
6122 check_lib securetransport "Security/SecureTransport.h Security/Security.h" "SSLCreateContext" "-Wl,-framework,CoreFoundation -Wl,-framework,Security" ||
6123 disable securetransport
6125 enabled securetransport &&
6126 check_func SecItemImport "-Wl,-framework,CoreFoundation -Wl,-framework,Security"
6129 check_func_headers "windows.h security.h" InitializeSecurityContext -DSECURITY_WIN32 -lsecur32 &&
6130 test_cpp_condition winerror.h "defined(SEC_I_CONTEXT_EXPIRED)" &&
6131 schannel_extralibs="-lsecur32" ||
6134 makeinfo --version > /dev/null 2>&1 && enable makeinfo || disable makeinfo
6136 && [ 0$(makeinfo --version | grep "texinfo" | sed 's/.*texinfo[^0-9]*\([0-9]*\)\..*/\1/') -ge 5 ] \
6137 && enable makeinfo_html || disable makeinfo_html
6138 disabled makeinfo_html && texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
6139 perl -v > /dev/null 2>&1 && enable perl || disable perl
6140 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
6141 rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout
6143 # check V4L2 codecs available in the API
6144 check_header linux/fb.h
6145 check_header linux/videodev2.h
6146 test_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_sanitized struct_v4l2_frmivalenum_discrete
6147 test_code cc linux/videodev2.h "int i = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_VIDEO_M2M | V4L2_BUF_FLAG_LAST;" || disable v4l2_m2m
6148 test_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_VC1_ANNEX_G;" && enable vc1_v4l2_m2m
6149 test_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG1;" && enable mpeg1_v4l2_m2m
6150 test_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG2;" && enable mpeg2_v4l2_m2m
6151 test_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG4;" && enable mpeg4_v4l2_m2m
6152 test_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_HEVC;" && enable hevc_v4l2_m2m
6153 test_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_H263;" && enable h263_v4l2_m2m
6154 test_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_H264;" && enable h264_v4l2_m2m
6155 test_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_VP8;" && enable vp8_v4l2_m2m
6156 test_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_VP9;" && enable vp9_v4l2_m2m
6158 check_header sys/videoio.h
6159 test_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_sanitized struct_v4l2_frmivalenum_discrete
6161 check_lib user32 "windows.h winuser.h" GetShellWindow -luser32
6162 check_lib vfw32 "windows.h vfw.h" capCreateCaptureWindow -lvfw32
6163 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
6164 # w32api 3.12 had it defined wrong
6165 check_cpp_condition vfwcap_defines vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER"
6167 check_type "dshow.h" IBaseFilter
6169 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
6170 check_header "dev/bktr/ioctl_meteor.h dev/bktr/ioctl_bt848.h" ||
6171 check_header "machine/ioctl_meteor.h machine/ioctl_bt848.h" ||
6172 check_header "dev/video/meteor/ioctl_meteor.h dev/video/bktr/ioctl_bt848.h" ||
6173 check_header "dev/ic/bt8xx.h"
6175 if check_struct sys/soundcard.h audio_buf_info bytes; then
6176 enable_sanitized sys/soundcard.h
6178 test_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_sanitized sys/soundcard.h
6179 #include <sys/soundcard.h>
6184 enabled alsa && check_pkg_config alsa alsa "alsa/asoundlib.h" snd_pcm_htimestamp ||
6185 check_lib alsa alsa/asoundlib.h snd_pcm_htimestamp -lasound
6188 require_pkg_config libjack jack jack/jack.h jack_port_get_latency_range
6190 enabled sndio && check_lib sndio sndio.h sio_open -lsndio
6192 if enabled libcdio; then
6193 check_pkg_config libcdio libcdio_paranoia "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open ||
6194 check_pkg_config libcdio libcdio_paranoia "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open ||
6195 check_lib libcdio "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
6196 check_lib libcdio "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
6197 die "ERROR: No usable libcdio/cdparanoia found"
6200 enabled libxcb && check_pkg_config libxcb "xcb >= 1.4" xcb/xcb.h xcb_connect ||
6201 disable libxcb_shm libxcb_shape libxcb_xfixes
6203 if enabled libxcb; then
6204 enabled libxcb_shm && check_pkg_config libxcb_shm xcb-shm xcb/shm.h xcb_shm_attach
6205 enabled libxcb_shape && check_pkg_config libxcb_shape xcb-shape xcb/shape.h xcb_shape_get_rectangles
6206 enabled libxcb_xfixes && check_pkg_config libxcb_xfixes xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image
6209 check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs"
6211 # d3d11va requires linking directly to dxgi and d3d11 if not building for
6212 # the desktop api partition
6213 test_cpp <<EOF && enable uwp && d3d11va_extralibs="-ldxgi -ld3d11"
6214 #ifdef WINAPI_FAMILY
6215 #include <winapifamily.h>
6216 #if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
6217 #error desktop, not uwp
6219 // WINAPI_FAMILY_APP, WINAPI_FAMILY_PHONE_APP => UWP
6222 #error no family set
6227 check_lib vaapi va/va.h vaInitialize -lva
6230 test_code cc "va/va.h" "vaCreateSurfaces(0, 0, 0, 0, 0, 0, 0, 0)" ||
6234 check_lib vaapi_drm "va/va.h va/va_drm.h" vaGetDisplayDRM -lva -lva-drm
6237 check_lib vaapi_x11 "va/va.h va/va_x11.h" vaGetDisplay -lva -lva-x11 -lX11
6240 check_cpp_condition vaapi_1 "va/va.h" "VA_CHECK_VERSION(1, 0, 0)"
6242 if enabled_all opencl vaapi ; then
6243 check_type "CL/cl_intel.h" "clCreateImageFromFdINTEL_fn" &&
6244 enable opencl_vaapi_beignet
6245 if enabled libmfx ; then
6246 check_type "CL/cl.h CL/va_ext.h" "clCreateFromVA_APIMediaSurfaceINTEL_fn" &&
6247 enable opencl_vaapi_intel_media
6251 if enabled_all opencl dxva2 ; then
6252 check_type "CL/cl_dx9_media_sharing.h" cl_dx9_surface_info_khr &&
6256 if enabled_all opencl d3d11va ; then
6257 check_type "CL/cl_d3d11.h" clGetDeviceIDsFromD3D11KHR_fn &&
6261 if enabled_all opencl libdrm ; then
6262 check_func_headers "CL/cl_ext.h" clImportMemoryARM &&
6263 enable opencl_drm_arm
6267 check_cpp_condition vdpau vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP"
6270 check_lib vdpau_x11 "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau -lX11
6272 enabled crystalhd && check_lib crystalhd "stdint.h libcrystalhd/libcrystalhd_if.h" DtsCrystalHDVersion -lcrystalhd
6274 if enabled x86; then
6276 mingw32*|mingw64*|win32|win64|linux|cygwin*)
6279 disable ffnvcodec cuvid nvdec nvenc
6283 disable ffnvcodec cuvid nvdec nvenc
6286 enabled ffnvcodec && enable cuda
6289 test_cc -I$source_path <<EOF || disable nvenc
6290 #include <ffnvcodec/nvEncodeAPI.h>
6291 NV_ENCODE_API_FUNCTION_LIST flist;
6292 void f(void) { struct { const GUID guid; } s[] = { { NV_ENC_PRESET_HQ_GUID } }; }
6293 int main(void) { return 0; }
6297 check_cpp_condition amf "AMF/core/Version.h" \
6298 "(AMF_VERSION_MAJOR << 48 | AMF_VERSION_MINOR << 32 | AMF_VERSION_RELEASE << 16 | AMF_VERSION_BUILD_NUM) >= 0x0001000400040001"
6300 # Funny iconv installations are not unusual, so check it after all flags have been set
6301 if enabled libc_iconv; then
6302 check_func_headers iconv.h iconv
6303 elif enabled iconv; then
6304 check_func_headers iconv.h iconv || check_lib iconv iconv.h iconv -liconv
6307 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
6309 # add some useful compiler flags if supported
6310 check_cflags -Wdeclaration-after-statement
6312 check_cflags -Wdisabled-optimization
6313 check_cflags -Wpointer-arith
6314 check_cflags -Wredundant-decls
6315 check_cflags -Wwrite-strings
6316 check_cflags -Wtype-limits
6317 check_cflags -Wundef
6318 check_cflags -Wmissing-prototypes
6319 check_cflags -Wno-pointer-to-int-cast
6320 check_cflags -Wstrict-prototypes
6321 check_cflags -Wempty-body
6323 if enabled extra_warnings; then
6324 check_cflags -Wcast-qual
6325 check_cflags -Wextra
6326 check_cflags -Wpedantic
6329 check_disable_warning(){
6330 warning_flag=-W${1#-Wno-}
6331 test_cflags $unknown_warning_flags $warning_flag && add_cflags $1
6334 test_cflags -Werror=unused-command-line-argument &&
6335 append unknown_warning_flags "-Werror=unused-command-line-argument"
6336 test_cflags -Werror=unknown-warning-option &&
6337 append unknown_warning_flags "-Werror=unknown-warning-option"
6339 check_disable_warning -Wno-parentheses
6340 check_disable_warning -Wno-switch
6341 check_disable_warning -Wno-format-zero-length
6342 check_disable_warning -Wno-pointer-sign
6343 check_disable_warning -Wno-unused-const-variable
6344 check_disable_warning -Wno-bool-operation
6346 check_disable_warning_headers(){
6347 warning_flag=-W${1#-Wno-}
6348 test_cflags $warning_flag && add_cflags_headers $1
6351 check_disable_warning_headers -Wno-deprecated-declarations
6352 check_disable_warning_headers -Wno-unused-variable
6354 test_cc <<EOF && enable blocks_extension
6355 void (^block)(void);
6358 # add some linker flags
6359 check_ldflags -Wl,--warn-common
6360 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
6361 enabled rpath && add_ldexeflags -Wl,-rpath,$libdir && add_ldsoflags -Wl,-rpath,$libdir
6362 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
6364 # add some strip flags
6367 enabled neon_clobber_test &&
6368 check_ldflags -Wl,--wrap,avcodec_open2 \
6369 -Wl,--wrap,avcodec_decode_audio4 \
6370 -Wl,--wrap,avcodec_decode_video2 \
6371 -Wl,--wrap,avcodec_decode_subtitle2 \
6372 -Wl,--wrap,avcodec_encode_audio2 \
6373 -Wl,--wrap,avcodec_encode_video2 \
6374 -Wl,--wrap,avcodec_encode_subtitle \
6375 -Wl,--wrap,avcodec_send_packet \
6376 -Wl,--wrap,avcodec_receive_packet \
6377 -Wl,--wrap,avcodec_send_frame \
6378 -Wl,--wrap,avcodec_receive_frame \
6379 -Wl,--wrap,swr_convert \
6380 -Wl,--wrap,avresample_convert ||
6381 disable neon_clobber_test
6383 enabled xmm_clobber_test &&
6384 check_ldflags -Wl,--wrap,avcodec_open2 \
6385 -Wl,--wrap,avcodec_decode_audio4 \
6386 -Wl,--wrap,avcodec_decode_video2 \
6387 -Wl,--wrap,avcodec_decode_subtitle2 \
6388 -Wl,--wrap,avcodec_encode_audio2 \
6389 -Wl,--wrap,avcodec_encode_video2 \
6390 -Wl,--wrap,avcodec_encode_subtitle \
6391 -Wl,--wrap,avcodec_send_packet \
6392 -Wl,--wrap,avcodec_receive_packet \
6393 -Wl,--wrap,avcodec_send_frame \
6394 -Wl,--wrap,avcodec_receive_frame \
6395 -Wl,--wrap,swr_convert \
6396 -Wl,--wrap,avresample_convert \
6397 -Wl,--wrap,sws_scale ||
6398 disable xmm_clobber_test
6400 test_ld "cc" <<EOF && enable proper_dce
6401 extern const int array[512];
6402 static inline int func(void) { return array[0]; }
6403 int main(void) { return 0; }
6406 if enabled proper_dce; then
6407 echo "X { local: *; };" > $TMPV
6408 if test_ldflags -Wl,${version_script},$TMPV; then
6409 append SHFLAGS '-Wl,${version_script},\$(SUBDIR)lib\$(NAME).ver'
6411 test_cc <<EOF && enable symver_asm_label
6412 void ff_foo(void) __asm__ ("av_foo@VERSION");
6413 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
6415 test_cc <<EOF && enable symver_gnu_asm
6416 __asm__(".symver ff_foo,av_foo@VERSION");
6417 void ff_foo(void) {}
6422 if [ -z "$optflags" ]; then
6423 if enabled small; then
6424 optflags=$cflags_size
6425 elif enabled optimizations; then
6426 optflags=$cflags_speed
6428 optflags=$cflags_noopt
6432 if [ -z "$nvccflags" ]; then
6433 nvccflags=$nvccflags_default
6436 if enabled x86_64 || enabled ppc64 || enabled aarch64; then
6437 nvccflags="$nvccflags -m64"
6439 nvccflags="$nvccflags -m32"
6444 enabled lto && check_ldflags "$@"
6447 check_optflags $optflags
6448 check_optflags -fno-math-errno
6449 check_optflags -fno-signed-zeros
6451 if enabled lto; then
6452 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
6454 check_ldflags -flto $cpuflags
6455 disable inline_asm_direct_symbol_refs
6458 enabled ftrapv && check_cflags -ftrapv
6460 test_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
6465 if enabled icc; then
6466 # Just warnings, no remarks
6468 # -wd: Disable following warnings
6469 # 144, 167, 556: -Wno-pointer-sign
6470 # 188: enumerated type mixed with another type
6471 # 1292: attribute "foo" ignored
6472 # 1419: external declaration in primary source file
6473 # 10006: ignoring unknown option -fno-signed-zeros
6474 # 10148: ignoring unknown option -Wno-parentheses
6475 # 10156: ignoring option '-W'; no argument required
6476 # 13200: No EMMS instruction before call to function
6477 # 13203: No EMMS instruction before return from function
6478 check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156,13200,13203
6479 # 11030: Warning unknown option --as-needed
6480 # 10156: ignoring option '-export'; no argument required
6481 check_ldflags -wd10156,11030
6482 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
6483 enable ebp_available
6484 # The test above does not test linking
6485 enabled lto && disable symver_asm_label
6486 if enabled x86_32; then
6487 icc_version=$($cc -dumpversion)
6488 test ${icc_version%%.*} -ge 11 &&
6489 check_cflags -falign-stack=maintain-16-byte ||
6490 disable aligned_stack
6492 elif enabled gcc; then
6493 check_optflags -fno-tree-vectorize
6494 check_cflags -Werror=format-security
6495 check_cflags -Werror=implicit-function-declaration
6496 check_cflags -Werror=missing-prototypes
6497 check_cflags -Werror=return-type
6498 check_cflags -Werror=vla
6499 check_cflags -Wformat
6500 check_cflags -fdiagnostics-color=auto
6501 enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized
6502 elif enabled llvm_gcc; then
6503 check_cflags -mllvm -stack-alignment=16
6504 elif enabled clang; then
6505 check_cflags -mllvm -stack-alignment=16
6506 check_cflags -mstack-alignment=16
6507 check_cflags -Qunused-arguments
6508 check_cflags -Werror=implicit-function-declaration
6509 check_cflags -Werror=missing-prototypes
6510 check_cflags -Werror=return-type
6511 elif enabled cparser; then
6512 add_cflags -Wno-missing-variable-declarations
6513 add_cflags -Wno-empty-statement
6514 elif enabled armcc; then
6515 add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat
6516 add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir
6517 # 2523: use of inline assembly is deprecated
6518 add_cflags -W${armcc_opt},--diag_suppress=2523
6519 add_cflags -W${armcc_opt},--diag_suppress=1207
6520 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
6521 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
6522 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
6523 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
6524 elif enabled pathscale; then
6525 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
6527 elif enabled_any msvc icl; then
6528 enabled x86_32 && disable aligned_stack
6529 enabled_all x86_32 debug && add_cflags -Oy-
6530 enabled debug && add_ldflags -debug
6531 enable pragma_deprecated
6532 if enabled icl; then
6533 # -Qansi-alias is basically -fstrict-aliasing, but does not work
6534 # (correctly) on icl 13.x.
6535 test_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&
6536 add_cflags -Qansi-alias
6537 # Some inline asm is not compilable in debug
6538 if enabled debug; then
6539 disable ebp_available
6540 disable ebx_available
6543 # msvcrt10 x64 incorrectly enables log2, only msvcrt12 (MSVC 2013) onwards actually has log2.
6544 check_cpp_condition log2 crtversion.h "_VC_CRT_MAJOR_VERSION >= 12"
6545 # The CRT headers contain __declspec(restrict) in a few places, but if redefining
6546 # restrict, this might break. MSVC 2010 and 2012 fail with __declspec(__restrict)
6547 # (as it ends up if the restrict redefine is done before including stdlib.h), while
6548 # MSVC 2013 and newer can handle it fine.
6549 # If this declspec fails, force including stdlib.h before the restrict redefinition
6550 # happens in config.h.
6551 if [ $restrict_keyword != restrict ]; then
6552 test_cc <<EOF || add_cflags -FIstdlib.h
6553 __declspec($restrict_keyword) void *foo(int);
6556 # the new SSA optimzer in VS2015 U3 is mis-optimizing some parts of the code
6557 # Issue has been fixed in MSVC v19.00.24218.
6558 test_cpp_condition windows.h "_MSC_FULL_VER >= 190024218" ||
6559 check_cflags -d2SSAOptimizer-
6560 # enable utf-8 source processing on VS2015 U2 and newer
6561 test_cpp_condition windows.h "_MSC_FULL_VER >= 190023918" &&
6565 for pfx in "" host_; do
6566 varname=${pfx%_}cc_type
6567 eval "type=\$$varname"
6568 if [ "$type" = "msvc" ]; then
6569 test_${pfx}cc <<EOF || add_${pfx}cflags -Dinline=__inline
6570 static inline int foo(int a) { return a; }
6577 add_asflags -Qunused-arguments
6583 check_ldflags -Qunused-arguments
6587 enable frame_thread_encoder
6589 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
6591 check_deps $CONFIG_LIST \
6596 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"
6597 enabled avresample && warn "Building with deprecated library libavresample"
6599 if test $target_os = "haiku"; then
6601 disable posix_memalign
6604 flatten_extralibs(){
6605 unset nested_entries
6608 for entry in $list; do
6611 append nested_entries $(filter '*_extralibs' $entry_copy)
6612 flat_entries=$(filter_out '*_extralibs' $entry_copy)
6613 eval $entry="\$flat_entries"
6615 append $list_name "$nested_entries"
6617 resolve nested_entries
6618 if test -n "$(filter '*_extralibs' $nested_entries)"; then
6619 flatten_extralibs $list_name
6623 flatten_extralibs_wrapper(){
6625 flatten_extralibs $list_name
6628 eval $list_name=\$\(\$ldflags_filter \$$list_name\)
6629 eval printf \''%s'\' \""\$$list_name"\"
6632 for linkunit in $LIBRARY_LIST; do
6633 unset current_extralibs
6634 eval components=\$$(toupper ${linkunit})_COMPONENTS_LIST
6635 for comp in ${components}; do
6636 enabled $comp || continue
6637 comp_extralibs="${comp}_extralibs"
6638 append current_extralibs $comp_extralibs
6640 eval prepend ${linkunit}_extralibs $current_extralibs
6643 for linkunit in $LIBRARY_LIST $PROGRAM_LIST $EXTRALIBS_LIST; do
6644 eval ${linkunit}_extralibs=\$\(flatten_extralibs_wrapper ${linkunit}_extralibs\)
6647 map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST
6649 for thread in $THREADS_LIST; do
6650 if enabled $thread; then
6651 test -n "$thread_type" &&
6652 die "ERROR: Only one thread type must be selected." ||
6653 thread_type="$thread"
6657 if disabled stdatomic; then
6658 if enabled atomics_gcc; then
6659 add_cppflags '-I\$(SRC_PATH)/compat/atomics/gcc'
6660 elif enabled atomics_win32; then
6661 add_cppflags '-I\$(SRC_PATH)/compat/atomics/win32'
6662 elif enabled atomics_suncc; then
6663 add_cppflags '-I\$(SRC_PATH)/compat/atomics/suncc'
6664 elif enabled pthreads; then
6665 add_compat atomics/pthread/stdatomic.o
6666 add_cppflags '-I\$(SRC_PATH)/compat/atomics/pthread'
6668 enabled threads && die "Threading is enabled, but no atomics are available"
6669 add_cppflags '-I\$(SRC_PATH)/compat/atomics/dummy'
6673 # Check if requested libraries were found.
6674 for lib in $AUTODETECT_LIBS; do
6675 requested $lib && ! enabled $lib && die "ERROR: $lib requested but not found";
6678 enabled zlib && add_cppflags -DZLIB_CONST
6680 # conditional library dependencies, in linking order
6681 enabled afftfilt_filter && prepend avfilter_deps "avcodec"
6682 enabled afir_filter && prepend avfilter_deps "avcodec"
6683 enabled amovie_filter && prepend avfilter_deps "avformat avcodec"
6684 enabled aresample_filter && prepend avfilter_deps "swresample"
6685 enabled atempo_filter && prepend avfilter_deps "avcodec"
6686 enabled cover_rect_filter && prepend avfilter_deps "avformat avcodec"
6687 enabled convolve_filter && prepend avfilter_deps "avcodec"
6688 enabled deconvolve_filter && prepend avfilter_deps "avcodec"
6689 enabled ebur128_filter && enabled swresample && prepend avfilter_deps "swresample"
6690 enabled elbg_filter && prepend avfilter_deps "avcodec"
6691 enabled fftfilt_filter && prepend avfilter_deps "avcodec"
6692 enabled find_rect_filter && prepend avfilter_deps "avformat avcodec"
6693 enabled firequalizer_filter && prepend avfilter_deps "avcodec"
6694 enabled mcdeint_filter && prepend avfilter_deps "avcodec"
6695 enabled movie_filter && prepend avfilter_deps "avformat avcodec"
6696 enabled pan_filter && prepend avfilter_deps "swresample"
6697 enabled pp_filter && prepend avfilter_deps "postproc"
6698 enabled removelogo_filter && prepend avfilter_deps "avformat avcodec swscale"
6699 enabled resample_filter && prepend avfilter_deps "avresample"
6700 enabled sab_filter && prepend avfilter_deps "swscale"
6701 enabled scale_filter && prepend avfilter_deps "swscale"
6702 enabled scale2ref_filter && prepend avfilter_deps "swscale"
6703 enabled sofalizer_filter && prepend avfilter_deps "avcodec"
6704 enabled showcqt_filter && prepend avfilter_deps "avformat avcodec swscale"
6705 enabled showfreqs_filter && prepend avfilter_deps "avcodec"
6706 enabled showspectrum_filter && prepend avfilter_deps "avcodec"
6707 enabled signature_filter && prepend avfilter_deps "avcodec avformat"
6708 enabled smartblur_filter && prepend avfilter_deps "swscale"
6709 enabled spectrumsynth_filter && prepend avfilter_deps "avcodec"
6710 enabled spp_filter && prepend avfilter_deps "avcodec"
6711 enabled subtitles_filter && prepend avfilter_deps "avformat avcodec"
6712 enabled uspp_filter && prepend avfilter_deps "avcodec"
6713 enabled zoompan_filter && prepend avfilter_deps "swscale"
6715 enabled lavfi_indev && prepend avdevice_deps "avfilter"
6718 enabled sdl2_outdev && add_cflags $(filter_out '-Dmain=SDL_main' $sdl2_cflags)
6720 enabled opus_decoder && prepend avcodec_deps "swresample"
6724 eval "deps=\$$lib_deps"
6725 append $lib_deps $(map 'eval echo \$${v}_deps' $deps)
6729 #we have to remove gpl from the deps here as some code assumes all lib deps are libs
6730 postproc_deps="$(filter_out 'gpl' $postproc_deps)"
6732 map 'expand_deps $v' $LIBRARY_LIST
6734 if test "$quiet" != "yes"; then
6736 echo "install prefix $prefix"
6737 echo "source path $source_path"
6738 echo "C compiler $cc"
6739 echo "C library $libc_type"
6740 if test "$host_cc" != "$cc"; then
6741 echo "host C compiler $host_cc"
6742 echo "host C library $host_libc_type"
6744 echo "ARCH $arch ($cpu)"
6745 if test "$build_suffix" != ""; then
6746 echo "build suffix $build_suffix"
6748 if test "$progs_suffix" != ""; then
6749 echo "progs suffix $progs_suffix"
6751 if test "$extra_version" != ""; then
6752 echo "version string suffix $extra_version"
6754 echo "big-endian ${bigendian-no}"
6755 echo "runtime cpu detection ${runtime_cpudetect-no}"
6756 if enabled x86; then
6757 echo "standalone assembly ${x86asm-no}"
6758 echo "x86 assembler ${x86asmexe}"
6759 echo "MMX enabled ${mmx-no}"
6760 echo "MMXEXT enabled ${mmxext-no}"
6761 echo "3DNow! enabled ${amd3dnow-no}"
6762 echo "3DNow! extended enabled ${amd3dnowext-no}"
6763 echo "SSE enabled ${sse-no}"
6764 echo "SSSE3 enabled ${ssse3-no}"
6765 echo "AESNI enabled ${aesni-no}"
6766 echo "AVX enabled ${avx-no}"
6767 echo "AVX2 enabled ${avx2-no}"
6768 echo "AVX-512 enabled ${avx512-no}"
6769 echo "XOP enabled ${xop-no}"
6770 echo "FMA3 enabled ${fma3-no}"
6771 echo "FMA4 enabled ${fma4-no}"
6772 echo "i686 features enabled ${i686-no}"
6773 echo "CMOV is fast ${fast_cmov-no}"
6774 echo "EBX available ${ebx_available-no}"
6775 echo "EBP available ${ebp_available-no}"
6777 if enabled aarch64; then
6778 echo "NEON enabled ${neon-no}"
6779 echo "VFP enabled ${vfp-no}"
6781 if enabled arm; then
6782 echo "ARMv5TE enabled ${armv5te-no}"
6783 echo "ARMv6 enabled ${armv6-no}"
6784 echo "ARMv6T2 enabled ${armv6t2-no}"
6785 echo "VFP enabled ${vfp-no}"
6786 echo "NEON enabled ${neon-no}"
6787 echo "THUMB enabled ${thumb-no}"
6789 if enabled mips; then
6790 echo "MIPS FPU enabled ${mipsfpu-no}"
6791 echo "MIPS DSP R1 enabled ${mipsdsp-no}"
6792 echo "MIPS DSP R2 enabled ${mipsdspr2-no}"
6793 echo "MIPS MSA enabled ${msa-no}"
6794 echo "LOONGSON MMI enabled ${mmi-no}"
6796 if enabled ppc; then
6797 echo "AltiVec enabled ${altivec-no}"
6798 echo "VSX enabled ${vsx-no}"
6799 echo "POWER8 enabled ${power8-no}"
6800 echo "PPC 4xx optimizations ${ppc4xx-no}"
6801 echo "dcbzl available ${dcbzl-no}"
6803 echo "debug symbols ${debug-no}"
6804 echo "strip symbols ${stripping-no}"
6805 echo "optimize for size ${small-no}"
6806 echo "optimizations ${optimizations-no}"
6807 echo "static ${static-no}"
6808 echo "shared ${shared-no}"
6809 echo "postprocessing support ${postproc-no}"
6810 echo "network support ${network-no}"
6811 echo "threading support ${thread_type-no}"
6812 echo "safe bitstream reader ${safe_bitstream_reader-no}"
6813 echo "texi2html enabled ${texi2html-no}"
6814 echo "perl enabled ${perl-no}"
6815 echo "pod2man enabled ${pod2man-no}"
6816 echo "makeinfo enabled ${makeinfo-no}"
6817 echo "makeinfo supports HTML ${makeinfo_html-no}"
6818 test -n "$random_seed" &&
6819 echo "random seed ${random_seed}"
6822 echo "External libraries:"
6823 print_enabled '' $EXTERNAL_LIBRARY_LIST $EXTERNAL_AUTODETECT_LIBRARY_LIST | print_in_columns
6826 echo "External libraries providing hardware acceleration:"
6827 print_enabled '' $HWACCEL_LIBRARY_LIST $HWACCEL_AUTODETECT_LIBRARY_LIST | print_in_columns
6831 print_enabled '' $LIBRARY_LIST | print_in_columns
6835 print_enabled '' $PROGRAM_LIST | print_in_columns
6838 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
6839 echo "Enabled ${type}s:"
6840 eval list=\$$(toupper $type)_LIST
6841 print_enabled '_*' $list | print_in_columns
6845 if test -n "$ignore_tests"; then
6846 ignore_tests=$(echo $ignore_tests | tr ',' ' ')
6847 echo "Ignored FATE tests:"
6848 echo $ignore_tests | print_in_columns
6852 echo "License: $license"
6854 fi # test "$quiet" != "yes"
6856 if test -n "$WARNINGS"; then
6857 printf "\n%s%s$WARNINGS%s" "$warn_color" "$bold_color" "$reset_color"
6858 enabled fatal_warnings && exit 1
6861 test -e Makefile || echo "include $source_path/Makefile" > Makefile
6864 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
6867 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" > ffbuild/config.fate
6869 enabled stripping || strip="echo skipping strip"
6870 enabled stripping || striptype=""
6872 config_files="$TMPH ffbuild/config.mak doc/config.texi"
6874 cat > ffbuild/config.mak <<EOF
6875 # Automatically generated by configure - do not modify!
6876 ifndef FFMPEG_CONFIG_MAK
6878 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
6880 LIBDIR=\$(DESTDIR)$libdir
6881 SHLIBDIR=\$(DESTDIR)$shlibdir
6882 INCDIR=\$(DESTDIR)$incdir
6883 BINDIR=\$(DESTDIR)$bindir
6884 DATADIR=\$(DESTDIR)$datadir
6885 DOCDIR=\$(DESTDIR)$docdir
6886 MANDIR=\$(DESTDIR)$mandir
6887 PKGCONFIGDIR=\$(DESTDIR)$pkgconfigdir
6888 INSTALL_NAME_DIR=$install_name_dir
6889 SRC_PATH=$source_path
6890 SRC_LINK=$source_link
6891 ifndef MAIN_MAKEFILE
6892 SRC_PATH:=\$(SRC_PATH:.%=..%)
6896 INTRINSICS=$intrinsics
6897 EXTERN_PREFIX=$extern_prefix
6904 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
6906 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
6908 DEPX86ASM=$x86asmexe
6909 DEPX86ASMFLAGS=\$(X86ASMFLAGS)
6917 STRIPTYPE=$striptype
6924 OBJCFLAGS=$OBJCFLAGS
6926 NVCCFLAGS=$nvccflags
6948 LDEXEFLAGS=$LDEXEFLAGS
6949 LDSOFLAGS=$LDSOFLAGS
6950 SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
6951 ASMSTRIPFLAGS=$ASMSTRIPFLAGS
6952 X86ASMFLAGS=$X86ASMFLAGS
6953 BUILDSUF=$build_suffix
6954 PROGSSUF=$progs_suffix
6962 EXTRA_VERSION=$extra_version
6965 CCDEP_FLAGS=$CCDEP_FLAGS
6967 ASDEP_FLAGS=$ASDEP_FLAGS
6968 X86ASMDEP=$X86ASMDEP
6969 X86ASMDEP_FLAGS=$X86ASMDEP_FLAGS
6970 CC_DEPFLAGS=$CC_DEPFLAGS
6971 AS_DEPFLAGS=$AS_DEPFLAGS
6972 X86ASM_DEPFLAGS=$X86ASM_DEPFLAGS
6975 HOSTCFLAGS=$host_cflags
6976 HOSTCPPFLAGS=$host_cppflags
6977 HOSTEXESUF=$HOSTEXESUF
6978 HOSTLDFLAGS=$host_ldflags
6979 HOSTEXTRALIBS=$host_extralibs
6981 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
6982 HOSTCCDEP=$HOSTCCDEP
6983 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
6984 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
6988 TARGET_EXEC=$target_exec $target_exec_args
6989 TARGET_PATH=$target_path
6990 TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}
6991 CFLAGS-ffplay=${sdl2_cflags}
6992 CFLAGS_HEADERS=$CFLAGS_HEADERS
6993 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
6994 EXTRALIBS=$extralibs
6995 COMPAT_OBJS=$compat_objs
6997 LIBTARGET=${LIBTARGET}
6998 SLIBNAME=${SLIBNAME}
6999 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
7000 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
7001 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
7002 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
7003 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
7004 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
7005 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
7006 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
7007 VERSION_SCRIPT_POSTPROCESS_CMD=${VERSION_SCRIPT_POSTPROCESS_CMD}
7008 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
7009 NOREDZONE_FLAGS=$noredzone_flags
7010 LIBFUZZER_PATH=$libfuzzer_path
7011 IGNORE_TESTS=$ignore_tests
7014 map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> ffbuild/config.mak' $LIBRARY_LIST
7016 for entry in $LIBRARY_LIST $PROGRAM_LIST $EXTRALIBS_LIST; do
7017 eval echo "EXTRALIBS-${entry}=\$${entry}_extralibs" >> ffbuild/config.mak
7021 /* Automatically generated by configure - do not modify! */
7022 #ifndef FFMPEG_CONFIG_H
7023 #define FFMPEG_CONFIG_H
7024 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
7025 #define FFMPEG_LICENSE "$(c_escape $license)"
7026 #define CONFIG_THIS_YEAR 2018
7027 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
7028 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
7029 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
7030 #define av_restrict $restrict_keyword
7031 #define EXTERN_PREFIX "${extern_prefix}"
7032 #define EXTERN_ASM ${extern_prefix}
7033 #define BUILDSUF "$build_suffix"
7034 #define SLIBSUF "$SLIBSUF"
7035 #define HAVE_MMX2 HAVE_MMXEXT
7036 #define SWS_MAX_FILTER_SIZE $sws_max_filter_size
7039 test -n "$assert_level" &&
7040 echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
7042 test -n "$malloc_prefix" &&
7043 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
7045 if enabled x86asm; then
7046 append config_files $TMPASM
7048 ; Automatically generated by configure - do not modify!
7052 enabled getenv || echo "#define getenv(x) NULL" >> $TMPH
7058 echo "@c auto-generated by configure - do not modify! " > doc/config.texi
7060 print_config ARCH_ "$config_files" $ARCH_LIST
7061 print_config HAVE_ "$config_files" $HAVE_LIST
7062 print_config CONFIG_ "$config_files" $CONFIG_LIST \
7066 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
7067 echo "endif # FFMPEG_CONFIG_MAK" >> ffbuild/config.mak
7069 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
7070 cp_if_changed $TMPH config.h
7071 touch ffbuild/.config
7073 enabled x86asm && cp_if_changed $TMPASM config.asm
7076 /* Generated by ffmpeg configure */
7077 #ifndef AVUTIL_AVCONFIG_H
7078 #define AVUTIL_AVCONFIG_H
7081 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
7083 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
7085 cp_if_changed $TMPH libavutil/avconfig.h
7087 # generate the lists of enabled components
7088 print_enabled_components(){
7093 echo "static const $struct_name * const $name[] = {" > $TMPH
7098 c=$(add_suffix _demuxer $(remove_suffix _indev $c))
7101 c=$(add_suffix _muxer $(remove_suffix _outdev $c))
7104 printf " &ff_%s,\n" $c >> $TMPH
7107 echo " NULL };" >> $TMPH
7108 cp_if_changed $TMPH $file
7111 print_enabled_components libavcodec/codec_list.c AVCodec codec_list $CODEC_LIST
7112 print_enabled_components libavcodec/parser_list.c AVCodecParser parser_list $PARSER_LIST
7113 print_enabled_components libavcodec/bsf_list.c AVBitStreamFilter bitstream_filters $BSF_LIST
7114 print_enabled_components libavdevice/indev_list.c AVInputFormat indev_list $INDEV_LIST
7115 print_enabled_components libavdevice/outdev_list.c AVOutputFormat outdev_list $OUTDEV_LIST
7116 print_enabled_components libavformat/demuxer_list.c AVInputFormat demuxer_list $DEMUXER_LIST
7117 print_enabled_components libavformat/muxer_list.c AVOutputFormat muxer_list $MUXER_LIST
7118 print_enabled_components libavformat/protocol_list.c URLProtocol url_protocols $PROTOCOL_LIST
7120 # Settings for pkg-config files
7123 # Automatically generated by configure - do not modify!
7125 build_suffix=$build_suffix
7129 rpath=$(enabled rpath && echo "-Wl,-rpath,\${libdir}")
7130 source_path=${source_path}
7133 extralibs_avutil="$avutil_extralibs"
7134 extralibs_avcodec="$avcodec_extralibs"
7135 extralibs_avformat="$avformat_extralibs"
7136 extralibs_avdevice="$avdevice_extralibs"
7137 extralibs_avfilter="$avfilter_extralibs"
7138 extralibs_avresample="$avresample_extralibs"
7139 extralibs_postproc="$postproc_extralibs"
7140 extralibs_swscale="$swscale_extralibs"
7141 extralibs_swresample="$swresample_extralibs"
7144 for lib in $LIBRARY_LIST; do
7145 lib_deps="$(eval echo \$${lib}_deps)"
7146 echo ${lib}_deps=\"$lib_deps\" >> $TMPH
7149 cp_if_changed $TMPH ffbuild/config.sh