3 # FFmpeg configure script
5 # Copyright (c) 2000-2002 Fabrice Bellard
6 # Copyright (c) 2005-2008 Diego Biurrun
7 # Copyright (c) 2005-2008 Mans Rullgard
10 # Prevent locale nonsense from breaking basic text processing.
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
18 echo "Trying shell $1"
19 type "$1" > /dev/null 2>&1 && exec "$@"
23 (: ${foo%%bar}) 2> /dev/null
26 (: ${foo?}) 2> /dev/null
29 if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
32 if test "0$FF_CONF_EXEC" -lt 1; then
34 try_exec bash "$0" "$@"
36 if test "0$FF_CONF_EXEC" -lt 2; then
38 try_exec ksh "$0" "$@"
40 if test "0$FF_CONF_EXEC" -lt 3; then
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
44 echo "No compatible shell script interpreter found."
45 echo "This configure script requires a POSIX-compatible shell"
46 echo "such as bash or ksh."
47 echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken FFmpeg."
50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
57 test -d /usr/xpg4/bin && PATH=/usr/xpg4/bin:$PATH
61 Usage: configure [options]
62 Options: [defaults in brackets after descriptions]
65 --help print this message
66 --quiet Suppress showing informative output
67 --list-decoders show all available decoders
68 --list-encoders show all available encoders
69 --list-hwaccels show all available hardware accelerators
70 --list-demuxers show all available demuxers
71 --list-muxers show all available muxers
72 --list-parsers show all available parsers
73 --list-protocols show all available protocols
74 --list-bsfs show all available bitstream filters
75 --list-indevs show all available input devices
76 --list-outdevs show all available output devices
77 --list-filters show all available filters
80 --logfile=FILE log tests and output to FILE [ffbuild/config.log]
81 --disable-logging do not log configure debug information
82 --fatal-warnings fail if any configure warning is generated
83 --prefix=PREFIX install in PREFIX [$prefix_default]
84 --bindir=DIR install binaries in DIR [PREFIX/bin]
85 --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg]
86 --docdir=DIR install documentation in DIR [PREFIX/share/doc/ffmpeg]
87 --libdir=DIR install libs in DIR [PREFIX/lib]
88 --shlibdir=DIR install shared libs in DIR [LIBDIR]
89 --incdir=DIR install includes in DIR [PREFIX/include]
90 --mandir=DIR install man page in DIR [PREFIX/share/man]
91 --pkgconfigdir=DIR install pkg-config files in DIR [LIBDIR/pkgconfig]
92 --enable-rpath use rpath to allow installing libraries in paths
93 not part of the dynamic linker search path
94 use rpath when linking programs (USE WITH CARE)
95 --install-name-dir=DIR Darwin directory name for installed targets
98 --enable-gpl allow use of GPL code, the resulting libs
99 and binaries will be under GPL [no]
100 --enable-version3 upgrade (L)GPL to version 3 [no]
101 --enable-nonfree allow use of nonfree code, the resulting libs
102 and binaries will be unredistributable [no]
104 Configuration options:
105 --disable-static do not build static libraries [no]
106 --enable-shared build shared libraries [no]
107 --enable-small optimize for size instead of speed
108 --disable-runtime-cpudetect disable detecting CPU capabilities at runtime (smaller binary)
109 --enable-gray enable full grayscale support (slower color)
110 --disable-swscale-alpha disable alpha channel support in swscale
111 --disable-all disable building components, libraries and programs
112 --disable-autodetect disable automatically detected external libraries [no]
115 --disable-programs do not build command line programs
116 --disable-ffmpeg disable ffmpeg build
117 --disable-ffplay disable ffplay build
118 --disable-ffprobe disable ffprobe build
119 --disable-ffserver disable ffserver build
121 Documentation options:
122 --disable-doc do not build documentation
123 --disable-htmlpages do not build HTML documentation pages
124 --disable-manpages do not build man documentation pages
125 --disable-podpages do not build POD documentation pages
126 --disable-txtpages do not build text documentation pages
129 --disable-avdevice disable libavdevice build
130 --disable-avcodec disable libavcodec build
131 --disable-avformat disable libavformat build
132 --disable-swresample disable libswresample build
133 --disable-swscale disable libswscale build
134 --disable-postproc disable libpostproc build
135 --disable-avfilter disable libavfilter build
136 --enable-avresample enable libavresample build [no]
137 --disable-pthreads disable pthreads [autodetect]
138 --disable-w32threads disable Win32 threads [autodetect]
139 --disable-os2threads disable OS/2 threads [autodetect]
140 --disable-network disable network support [no]
141 --disable-dct disable DCT code
142 --disable-dwt disable DWT code
143 --disable-error-resilience disable error resilience code
144 --disable-lsp disable LSP code
145 --disable-lzo disable LZO decoder code
146 --disable-mdct disable MDCT code
147 --disable-rdft disable RDFT code
148 --disable-fft disable FFT code
149 --disable-faan disable floating point AAN (I)DCT code
150 --disable-pixelutils disable pixel utils in libavutil
152 Individual component options:
153 --disable-everything disable all components listed below
154 --disable-encoder=NAME disable encoder NAME
155 --enable-encoder=NAME enable encoder NAME
156 --disable-encoders disable all encoders
157 --disable-decoder=NAME disable decoder NAME
158 --enable-decoder=NAME enable decoder NAME
159 --disable-decoders disable all decoders
160 --disable-hwaccel=NAME disable hwaccel NAME
161 --enable-hwaccel=NAME enable hwaccel NAME
162 --disable-hwaccels disable all hwaccels
163 --disable-muxer=NAME disable muxer NAME
164 --enable-muxer=NAME enable muxer NAME
165 --disable-muxers disable all muxers
166 --disable-demuxer=NAME disable demuxer NAME
167 --enable-demuxer=NAME enable demuxer NAME
168 --disable-demuxers disable all demuxers
169 --enable-parser=NAME enable parser NAME
170 --disable-parser=NAME disable parser NAME
171 --disable-parsers disable all parsers
172 --enable-bsf=NAME enable bitstream filter NAME
173 --disable-bsf=NAME disable bitstream filter NAME
174 --disable-bsfs disable all bitstream filters
175 --enable-protocol=NAME enable protocol NAME
176 --disable-protocol=NAME disable protocol NAME
177 --disable-protocols disable all protocols
178 --enable-indev=NAME enable input device NAME
179 --disable-indev=NAME disable input device NAME
180 --disable-indevs disable input devices
181 --enable-outdev=NAME enable output device NAME
182 --disable-outdev=NAME disable output device NAME
183 --disable-outdevs disable output devices
184 --disable-devices disable all devices
185 --enable-filter=NAME enable filter NAME
186 --disable-filter=NAME disable filter NAME
187 --disable-filters disable all filters
188 --disable-v4l2_m2m disable V4L2 mem2mem code [autodetect]
190 External library support:
192 Using any of the following switches will allow FFmpeg to link to the
193 corresponding external library. All the components depending on that library
194 will become enabled, if all their other dependencies are met and they are not
195 explicitly disabled. E.g. --enable-libwavpack will enable linking to
196 libwavpack and allow the libwavpack encoder to be built, unless it is
197 specifically disabled with --disable-encoder=libwavpack.
199 Note that only the system libraries are auto-detected. All the other external
200 libraries must be explicitly enabled.
202 Also note that the following help text describes the purpose of the libraries
203 themselves, not all their features will necessarily be usable by FFmpeg.
205 --disable-alsa disable ALSA support [autodetect]
206 --disable-appkit disable Apple AppKit framework [autodetect]
207 --disable-avfoundation disable Apple AVFoundation framework [autodetect]
208 --enable-avisynth enable reading of AviSynth script files [no]
209 --disable-bzlib disable bzlib [autodetect]
210 --disable-coreimage disable Apple CoreImage framework [autodetect]
211 --enable-chromaprint enable audio fingerprinting with chromaprint [no]
212 --enable-frei0r enable frei0r video filtering [no]
213 --enable-gcrypt enable gcrypt, needed for rtmp(t)e support
214 if openssl, librtmp or gmp is not used [no]
215 --enable-gmp enable gmp, needed for rtmp(t)e support
216 if openssl or librtmp is not used [no]
217 --enable-gnutls enable gnutls, needed for https support
218 if openssl is not used [no]
219 --disable-iconv disable iconv [autodetect]
220 --enable-jni enable JNI support [no]
221 --enable-ladspa enable LADSPA audio filtering [no]
222 --enable-libass enable libass subtitles rendering,
223 needed for subtitles and ass filter [no]
224 --enable-libbluray enable BluRay reading using libbluray [no]
225 --enable-libbs2b enable bs2b DSP library [no]
226 --enable-libcaca enable textual display using libcaca [no]
227 --enable-libcelt enable CELT decoding via libcelt [no]
228 --enable-libcdio enable audio CD grabbing with libcdio [no]
229 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
231 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
232 --enable-libflite enable flite (voice synthesis) support via libflite [no]
233 --enable-libfontconfig enable libfontconfig, useful for drawtext filter [no]
234 --enable-libfreetype enable libfreetype, needed for drawtext filter [no]
235 --enable-libfribidi enable libfribidi, improves drawtext filter [no]
236 --enable-libgme enable Game Music Emu via libgme [no]
237 --enable-libgsm enable GSM de/encoding via libgsm [no]
238 --enable-libiec61883 enable iec61883 via libiec61883 [no]
239 --enable-libilbc enable iLBC de/encoding via libilbc [no]
240 --enable-libjack enable JACK audio sound server [no]
241 --enable-libkvazaar enable HEVC encoding via libkvazaar [no]
242 --enable-libmodplug enable ModPlug via libmodplug [no]
243 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
244 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
245 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
246 --enable-libopencv enable video filtering via libopencv [no]
247 --enable-libopenh264 enable H.264 encoding via OpenH264 [no]
248 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
249 --enable-libopenmpt enable decoding tracked files via libopenmpt [no]
250 --enable-libopus enable Opus de/encoding via libopus [no]
251 --enable-libpulse enable Pulseaudio input via libpulse [no]
252 --enable-librsvg enable SVG rasterization via librsvg [no]
253 --enable-librubberband enable rubberband needed for rubberband filter [no]
254 --enable-librtmp enable RTMP[E] support via librtmp [no]
255 --enable-libshine enable fixed-point MP3 encoding via libshine [no]
256 --enable-libsmbclient enable Samba protocol via libsmbclient [no]
257 --enable-libsnappy enable Snappy compression, needed for hap encoding [no]
258 --enable-libsoxr enable Include libsoxr resampling [no]
259 --enable-libspeex enable Speex de/encoding via libspeex [no]
260 --enable-libssh enable SFTP protocol via libssh [no]
261 --enable-libtesseract enable Tesseract, needed for ocr filter [no]
262 --enable-libtheora enable Theora encoding via libtheora [no]
263 --enable-libtwolame enable MP2 encoding via libtwolame [no]
264 --enable-libv4l2 enable libv4l2/v4l-utils [no]
265 --enable-libvidstab enable video stabilization using vid.stab [no]
266 --enable-libvmaf enable vmaf filter via libvmaf [no]
267 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
268 --enable-libvorbis enable Vorbis en/decoding via libvorbis,
269 native implementation exists [no]
270 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
271 --enable-libwavpack enable wavpack encoding via libwavpack [no]
272 --enable-libwebp enable WebP encoding via libwebp [no]
273 --enable-libx264 enable H.264 encoding via x264 [no]
274 --enable-libx265 enable HEVC encoding via x265 [no]
275 --enable-libxavs enable AVS encoding via xavs [no]
276 --enable-libxcb enable X11 grabbing using XCB [autodetect]
277 --enable-libxcb-shm enable X11 grabbing shm communication [autodetect]
278 --enable-libxcb-xfixes enable X11 grabbing mouse rendering [autodetect]
279 --enable-libxcb-shape enable X11 grabbing shape rendering [autodetect]
280 --enable-libxvid enable Xvid encoding via xvidcore,
281 native MPEG-4/Xvid encoder exists [no]
282 --enable-libxml2 enable XML parsing using the C library libxml2 [no]
283 --enable-libzimg enable z.lib, needed for zscale filter [no]
284 --enable-libzmq enable message passing via libzmq [no]
285 --enable-libzvbi enable teletext support via libzvbi [no]
286 --disable-lzma disable lzma [autodetect]
287 --enable-decklink enable Blackmagic DeckLink I/O support [no]
288 --enable-libndi_newtek enable Newteck NDI I/O support [no]
289 --enable-mediacodec enable Android MediaCodec support [no]
290 --enable-libmysofa enable libmysofa, needed for sofalizer filter [no]
291 --enable-openal enable OpenAL 1.1 capture support [no]
292 --enable-opencl enable OpenCL code
293 --enable-opengl enable OpenGL rendering [no]
294 --enable-openssl enable openssl, needed for https support
295 if gnutls is not used [no]
296 --disable-sndio disable sndio support [autodetect]
297 --disable-schannel disable SChannel SSP, needed for TLS support on
298 Windows if openssl and gnutls are not used [autodetect]
299 --disable-sdl2 disable sdl2 [autodetect]
300 --disable-securetransport disable Secure Transport, needed for TLS support
301 on OSX if openssl and gnutls are not used [autodetect]
302 --disable-xlib disable xlib [autodetect]
303 --disable-zlib disable zlib [autodetect]
305 The following libraries provide various hardware acceleration features:
306 --disable-audiotoolbox disable Apple AudioToolbox code [autodetect]
307 --disable-cuda disable dynamically linked Nvidia CUDA code [autodetect]
308 --enable-cuda-sdk enable CUDA features that require the CUDA SDK [no]
309 --disable-cuvid disable Nvidia CUVID support [autodetect]
310 --disable-d3d11va disable Microsoft Direct3D 11 video acceleration code [autodetect]
311 --disable-dxva2 disable Microsoft DirectX 9 video acceleration code [autodetect]
312 --enable-libdrm enable DRM code (Linux) [no]
313 --enable-libmfx enable Intel MediaSDK (AKA Quick Sync Video) code via libmfx [no]
314 --enable-libnpp enable Nvidia Performance Primitives-based code [no]
315 --enable-mmal enable Broadcom Multi-Media Abstraction Layer (Raspberry Pi) via MMAL [no]
316 --disable-nvdec disable Nvidia video decoding acceleration (via hwaccel) [autodetect]
317 --disable-nvenc disable Nvidia video encoding code [autodetect]
318 --enable-omx enable OpenMAX IL code [no]
319 --enable-omx-rpi enable OpenMAX IL code for Raspberry Pi [no]
320 --enable-rkmpp enable Rockchip Media Process Platform code [no]
321 --disable-vaapi disable Video Acceleration API (mainly Unix/Intel) code [autodetect]
322 --disable-vdpau disable Nvidia Video Decode and Presentation API for Unix code [autodetect]
323 --disable-videotoolbox disable VideoToolbox code [autodetect]
326 --arch=ARCH select architecture [$arch]
327 --cpu=CPU select the minimum required CPU (affects
328 instruction selection, may crash on older CPUs)
329 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
330 --progs-suffix=SUFFIX program name suffix []
331 --enable-cross-compile assume a cross-compiler is used
332 --sysroot=PATH root of cross-build tree
333 --sysinclude=PATH location of cross-build system headers
334 --target-os=OS compiler targets OS [$target_os]
335 --target-exec=CMD command to run executables on target
336 --target-path=DIR path to view of build directory on target
337 --target-samples=DIR path to samples directory on target
338 --tempprefix=PATH force fixed dir/prefix instead of mktemp for checks
339 --toolchain=NAME set tool defaults according to NAME
340 --nm=NM use nm tool NM [$nm_default]
341 --ar=AR use archive tool AR [$ar_default]
342 --as=AS use assembler AS [$as_default]
343 --ln_s=LN_S use symbolic link tool LN_S [$ln_s_default]
344 --strip=STRIP use strip tool STRIP [$strip_default]
345 --windres=WINDRES use windows resource compiler WINDRES [$windres_default]
346 --x86asmexe=EXE use nasm-compatible assembler EXE [$x86asmexe_default]
347 --cc=CC use C compiler CC [$cc_default]
348 --cxx=CXX use C compiler CXX [$cxx_default]
349 --objcc=OCC use ObjC compiler OCC [$cc_default]
350 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
351 --nvcc=NVCC use Nvidia CUDA compiler NVCC [$nvcc_default]
352 --ld=LD use linker LD [$ld_default]
353 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
354 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
355 --ranlib=RANLIB use ranlib RANLIB [$ranlib_default]
356 --doxygen=DOXYGEN use DOXYGEN to generate API doc [$doxygen_default]
357 --host-cc=HOSTCC use host C compiler HOSTCC
358 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
359 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
360 --host-ld=HOSTLD use host linker HOSTLD
361 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
362 --host-libs=HLIBS use libs HLIBS when linking for host
363 --host-os=OS compiler host OS [$target_os]
364 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
365 --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
366 --extra-objcflags=FLAGS add FLAGS to OBJCFLAGS [$CFLAGS]
367 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
368 --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
369 --extra-ldsoflags=ELDFLAGS add ELDFLAGS to LDSOFLAGS [$LDSOFLAGS]
370 --extra-libs=ELIBS add ELIBS [$ELIBS]
371 --extra-version=STRING version string suffix []
372 --optflags=OPTFLAGS override optimization-related compiler flags
373 --nvccflags=NVCCFLAGS override nvcc flags [$nvccflags_default]
374 --build-suffix=SUFFIX library name suffix []
375 --enable-pic build position-independent code
376 --enable-thumb compile for Thumb instruction set
377 --enable-lto use link-time optimization
378 --env="ENV=override" override the environment variables
380 Advanced options (experts only):
381 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
382 --custom-allocator=NAME use a supported custom allocator
383 --disable-symver disable symbol versioning
384 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
385 --disable-safe-bitstream-reader
386 disable buffer boundary checking in bitreaders
387 (faster, but may crash)
388 --sws-max-filter-size=N the max filter size swscale uses [$sws_max_filter_size_default]
390 Optimization options (experts only):
391 --disable-asm disable all assembly optimizations
392 --disable-altivec disable AltiVec optimizations
393 --disable-vsx disable VSX optimizations
394 --disable-power8 disable POWER8 optimizations
395 --disable-amd3dnow disable 3DNow! optimizations
396 --disable-amd3dnowext disable 3DNow! extended optimizations
397 --disable-mmx disable MMX optimizations
398 --disable-mmxext disable MMXEXT optimizations
399 --disable-sse disable SSE optimizations
400 --disable-sse2 disable SSE2 optimizations
401 --disable-sse3 disable SSE3 optimizations
402 --disable-ssse3 disable SSSE3 optimizations
403 --disable-sse4 disable SSE4 optimizations
404 --disable-sse42 disable SSE4.2 optimizations
405 --disable-avx disable AVX optimizations
406 --disable-xop disable XOP optimizations
407 --disable-fma3 disable FMA3 optimizations
408 --disable-fma4 disable FMA4 optimizations
409 --disable-avx2 disable AVX2 optimizations
410 --disable-aesni disable AESNI optimizations
411 --disable-armv5te disable armv5te optimizations
412 --disable-armv6 disable armv6 optimizations
413 --disable-armv6t2 disable armv6t2 optimizations
414 --disable-vfp disable VFP optimizations
415 --disable-neon disable NEON optimizations
416 --disable-inline-asm disable use of inline assembly
417 --disable-x86asm disable use of standalone x86 assembly
418 --disable-mipsdsp disable MIPS DSP ASE R1 optimizations
419 --disable-mipsdspr2 disable MIPS DSP ASE R2 optimizations
420 --disable-msa disable MSA optimizations
421 --disable-mipsfpu disable floating point MIPS optimizations
422 --disable-mmi disable Loongson SIMD optimizations
423 --disable-fast-unaligned consider unaligned accesses slow
425 Developer options (useful when working on FFmpeg itself):
426 --disable-debug disable debugging symbols
427 --enable-debug=LEVEL set the debug level [$debuglevel]
428 --disable-optimizations disable compiler optimizations
429 --enable-extra-warnings enable more compiler warnings
430 --disable-stripping disable stripping of executables and shared libraries
431 --assert-level=level 0(default), 1 or 2, amount of assertion testing,
432 2 causes a slowdown at runtime.
433 --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
434 --valgrind=VALGRIND run "make fate" tests through valgrind to detect memory
435 leaks and errors, using the specified valgrind binary.
436 Cannot be combined with --target-exec
437 --enable-ftrapv Trap arithmetic overflows
438 --samples=PATH location of test samples for FATE, if not set use
439 \$FATE_SAMPLES at make invocation time.
440 --enable-neon-clobber-test check NEON registers for clobbering (should be
441 used only for debugging purposes)
442 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
443 should be used only for debugging purposes)
444 --enable-random randomly enable/disable components
446 --enable-random=LIST randomly enable/disable specific components or
447 --disable-random=LIST component groups. LIST is a comma-separated list
448 of NAME[:PROB] entries where NAME is a component
449 (group) and PROB the probability associated with
451 --random-seed=VALUE seed value for --enable/disable-random
452 --disable-valgrind-backtrace do not print a backtrace under Valgrind
453 (only applies to --disable-optimizations builds)
454 --enable-osfuzz Enable building fuzzer tool
455 --libfuzzer=PATH path to libfuzzer
456 --ignore-tests=TESTS comma-separated list (without "fate-" prefix
457 in the name) of tests whose result is ignored
458 --enable-linux-perf enable Linux Performance Monitor API
460 NOTE: Object files are built at the place where configure is launched.
466 if test -t 1 && which tput >/dev/null 2>&1; then
467 ncolors=$(tput colors)
468 if test -n "$ncolors" && test $ncolors -ge 8; then
469 bold_color=$(tput bold)
470 warn_color=$(tput setaf 3)
471 error_color=$(tput setaf 1)
472 reset_color=$(tput sgr0)
474 # 72 used instead of 80 since that's the default of pr
480 echo "$@" >> $logfile
485 pr -n -t $1 >> $logfile
491 WARNINGS="${WARNINGS}WARNING: $*\n"
496 echo "$error_color$bold_color$@$reset_color"
499 If you think configure made a mistake, make sure you are using the latest
500 version from Git. If the latest version fails, report the problem to the
501 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
503 if disabled logging; then
505 Rerun configure with logging enabled (do not use --disable-logging), and
506 include the log this produces with your report.
510 Include the log file "$logfile" produced by configure as this will help
517 # Avoid locale weirdness, besides we really just want to translate ASCII.
519 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
523 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
527 echo "$*" | sed 's/["\\]/\\\0/g'
531 v=$(echo "$1" | sed "s/'/'\\\\''/g")
532 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
537 echo "$@" | sed 's/^ *//;s/[[:space:]][[:space:]]*/ /g;s/ *$//'
544 eval "case '$v' in $pat) printf '%s ' '$v' ;; esac"
552 eval "case '$v' in $pat) ;; *) printf '%s ' '$v' ;; esac"
559 for v; do eval $m; done
565 for v; do echo ${v}${suffix}; done
580 eval : \${$var:=$value}
585 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
591 eval $(sanitize_var_name "$var")='$*'
595 eval echo \$$(sanitize_var_name "$1")
600 eval level=\${${pvar}_level:=0}
601 eval ${pvar}_${level}="\$$pvar"
602 eval ${pvar}_level=$(($level+1))
608 eval level=\${${pvar}_level:-0}
609 test $level = 0 && continue
610 eval level=$(($level-1))
611 eval $pvar="\${${pvar}_${level}}"
612 eval ${pvar}_level=$level
613 eval unset ${pvar}_${level}
619 eval ${var}_requested=yes
642 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
648 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
654 enabled $var && continue
655 eval sel="\$${var}_select"
656 eval sgs="\$${var}_suggest"
660 enable_deep_weak $sgs
672 disabled $var && continue
681 test "${1#!}" = "$1" && op='=' || op=!=
682 eval test "x\$${1#!}_requested" $op "xyes"
686 test "${1#!}" = "$1" && op='=' || op=!=
687 eval test "x\$${1#!}" $op "xyes"
691 test "${1#!}" = "$1" && op='=' || op=!=
692 eval test "x\$${1#!}" $op "xno"
697 enabled $opt || return 1
703 disabled $opt || return 1
709 enabled $opt && return 0
715 disabled $opt && return 0
722 eval : \${$opt:=\$${opt}_default}
730 [ $var = $value ] && return 0
737 enabled ${cfg}_checking && die "Circular dependency for $cfg."
738 disabled ${cfg}_checking && continue
739 enable ${cfg}_checking
741 eval dep_all="\$${cfg}_deps"
742 eval dep_any="\$${cfg}_deps_any"
743 eval dep_con="\$${cfg}_conflict"
744 eval dep_sel="\$${cfg}_select"
745 eval dep_sgs="\$${cfg}_suggest"
746 eval dep_ifa="\$${cfg}_if"
747 eval dep_ifn="\$${cfg}_if_any"
749 pushvar cfg dep_all dep_any dep_con dep_sel dep_sgs dep_ifa dep_ifn
750 check_deps $dep_all $dep_any $dep_con $dep_sel $dep_sgs $dep_ifa $dep_ifn
751 popvar cfg dep_all dep_any dep_con dep_sel dep_sgs dep_ifa dep_ifn
753 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
754 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
755 enabled_all $dep_all || { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but not all dependencies are satisfied: $dep_all"; }
756 enabled_any $dep_any || { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but not any dependency is satisfied: $dep_any"; }
757 disabled_all $dep_con || { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but some conflicting dependencies are unsatisfied: $dep_con"; }
758 disabled_any $dep_sel && { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but some selected dependency is unsatisfied: $dep_sel"; }
760 enabled $cfg && enable_deep_weak $dep_sel $dep_sgs
762 for dep in $dep_all $dep_any $dep_sel $dep_sgs; do
763 # filter out library deps, these do not belong in extralibs
764 is_in $dep $LIBRARY_LIST && continue
765 enabled $dep && eval append ${cfg}_extralibs ${dep}_extralibs
768 disable ${cfg}_checking
776 map 'eval echo "$v \${$v:-no}"' "$@" |
777 awk "BEGIN { split(\"$files\", files) }
779 c = \"$pfx\" toupper(\$1);
785 if (file ~ /\\.h\$/) {
786 printf(\"#define %s %d\\n\", c, v) >>file;
787 } else if (file ~ /\\.asm\$/) {
788 printf(\"%%define %s %d\\n\", c, v) >>file;
789 } else if (file ~ /\\.mak\$/) {
790 n = -v ? \"\" : \"!\";
791 printf(\"%s%s=yes\\n\", n, c) >>file;
792 } else if (file ~ /\\.texi\$/) {
793 pre = -v ? \"\" : \"@c \";
796 gsub(/_/, \"-\", c2);
797 printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
807 enabled $v && printf "%s\n" ${v%$suf}
814 eval "$var=\"\$$var $*\""
820 eval "$var=\"$* \$$var\""
826 for tok in $(eval echo \$$var); do
827 uniq_list="$(filter_out $tok $uniq_list) $tok"
829 eval "$var=\"${uniq_list}\""
835 for entry in $(eval echo \$$var); do
836 tmpvar="$tmpvar $(eval echo \$${entry})"
838 eval "$var=\"${tmpvar}\""
846 append CFLAGS $($cflags_filter "$@")
849 add_cflags_headers(){
850 append CFLAGS_HEADERS $($cflags_filter "$@")
854 append CXXFLAGS $($cflags_filter "$@")
858 append ASFLAGS $($asflags_filter "$@")
862 append OBJCFLAGS $($objcflags_filter "$@")
866 append LDFLAGS $($ldflags_filter "$@")
870 append LDEXEFLAGS $($ldflags_filter "$@")
874 append LDSOFLAGS $($ldflags_filter "$@")
878 append ASMSTRIPFLAGS "$@"
882 prepend extralibs $($ldflags_filter "$@")
886 append host_cppflags "$@"
890 append host_cflags $($host_cflags_filter "$@")
894 append host_ldflags $($host_ldflags_filter "$@")
898 append compat_objs $1
900 map 'add_cppflags -D$v' "$@"
905 "$@" >> $logfile 2>&1
910 stat "$1" >> $logfile 2>&1
914 eval printf '%s\\n' $CC_O
918 eval printf '%s\\n' $CC_E
925 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
932 check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
939 check_cmd $objcc -Werror=missing-prototypes $CPPFLAGS $CFLAGS $OBJCFLAGS "$@" $OBJCC_C $(cc_o $TMPO) $TMPM
946 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
950 eval printf '%s\\n' $AS_O
957 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
961 log check_inline_asm "$@"
966 check_cc "$@" <<EOF && enable $name
967 void foo(void){ __asm__ volatile($code); }
971 check_inline_asm_flags(){
972 log check_inline_asm_flags "$@"
977 while [ "$1" != "" ]; do
983 void foo(void){ __asm__ volatile($code); }
986 check_cmd $cc $CPPFLAGS $CFLAGS $flags "$@" $CC_C $(cc_o $TMPO) $TMPC &&
987 enable $name && add_cflags $flags && add_asflags $flags && add_ldflags $flags
992 check_inline_asm ${1}_inline "\"$2\""
993 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
997 log check_x86asm "$@"
1001 check_cmd $x86asmexe $X86ASMFLAGS -Werror "$@" -o $TMPO $TMPS
1005 eval printf '%s\\n' $LD_O
1012 flags=$(filter_out '-l*|*.so' $@)
1013 libs=$(filter '-l*|*.so' $@)
1014 check_$type $($cflags_filter $flags) || return
1015 flags=$($ldflags_filter $flags)
1016 libs=$($ldflags_filter $libs)
1017 check_cmd $ld $LDFLAGS $LDEXEFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
1022 test "${hdr%.h}" = "${hdr}" &&
1023 echo "#include $hdr" ||
1024 echo "#include <$hdr>"
1034 for hdr in $headers; do
1037 echo "int main(void) { $code; return 0; }"
1038 } | check_$check "$@"
1042 log check_cppflags "$@"
1043 check_cpp "$@" <<EOF && append CPPFLAGS "$@"
1049 log test_cflags "$@"
1050 set -- $($cflags_filter "$@")
1057 log check_cflags "$@"
1058 test_cflags "$@" && add_cflags "$@"
1062 log check_cxxflags "$@"
1063 set -- $($cflags_filter "$@")
1064 check_cxx "$@" <<EOF && append CXXFLAGS "$@"
1070 log test_objcflags "$@"
1071 set -- $($objcflags_filter "$@")
1072 check_objcc "$@" <<EOF
1078 log check_objcflags "$@"
1079 test_objcflags "$@" && add_objcflags "$@"
1083 log test_ldflags "$@"
1084 check_ld "cc" "$@" <<EOF
1085 int main(void){ return 0; }
1090 log check_ldflags "$@"
1091 test_ldflags "$@" && add_ldflags "$@"
1095 log test_stripflags "$@"
1096 # call check_cc to get a fresh TMPO
1098 int main(void) { return 0; }
1100 check_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO
1104 log check_stripflags "$@"
1105 test_stripflags "$@" && add_stripflags "$@"
1109 log check_header "$@"
1112 disable_sanitized $header
1113 check_cpp "$@" <<EOF && enable_sanitized $header
1119 check_header_objcc(){
1120 log check_header_objcc "$@"
1124 disable_sanitized $header
1126 echo "#include <$header>"
1127 echo "int main(void) { return 0; }"
1128 } | check_objcc && check_stat "$TMPO" && enable_sanitized $header
1131 check_apple_framework(){
1132 log check_apple_framework "$@"
1134 name="$(tolower $framework)"
1135 header="${framework}/${framework}.h"
1137 check_header_objcc $header &&
1138 enable $name && eval ${name}_extralibs='"-framework $framework"'
1146 check_ld "cc" "$@" <<EOF && enable $func
1148 int main(void){ $func(); }
1152 check_complexfunc(){
1153 log check_complexfunc "$@"
1157 test $narg = 2 && args="f, g" || args="f * I"
1159 check_ld "cc" "$@" <<EOF && enable $func
1160 #include <complex.h>
1162 float foo(complex float f, complex float g) { return $func($args); }
1163 int main(void){ return (int) foo; }
1168 log check_mathfunc "$@"
1172 test $narg = 2 && args="f, g" || args="f"
1174 check_ld "cc" "$@" <<EOF && enable $func
1176 float foo(float f, float g) { return $func($args); }
1177 int main(void){ return (int) foo; }
1181 check_func_headers(){
1182 log check_func_headers "$@"
1187 for hdr in $headers; do
1190 echo "#include <stdint.h>"
1191 for func in $funcs; do
1192 echo "long check_$func(void) { return (long) $func; }"
1194 echo "int main(void) { int ret = 0;"
1195 # LTO could optimize out the test functions without this
1196 for func in $funcs; do
1197 echo " ret |= ((intptr_t)check_$func) & 0xFFFF;"
1199 echo "return ret; }"
1200 } | check_ld "cc" "$@" && enable $funcs && enable_sanitized $headers
1203 check_class_headers_cpp(){
1204 log check_class_headers_cpp "$@"
1209 for hdr in $headers; do
1210 echo "#include <$hdr>"
1212 echo "int main(void) { "
1214 for class in $classes; do
1215 echo "$class obj$i;"
1219 } | check_ld "cxx" "$@" && enable $funcs && enable_sanitized $headers
1222 check_cpp_condition(){
1223 log check_cpp_condition "$@"
1227 check_cpp "$@" <<EOF
1230 #error "unsatisfied condition: $condition"
1236 log test_cflags_cc "$@"
1241 set -- $($cflags_filter "$flags")
1245 #error "unsatisfied condition: $condition"
1257 check_func_headers "$headers" "$funcs" "$@" &&
1258 enable $name && eval ${name}_extralibs="\$@"
1262 log check_lib_cpp "$@"
1268 check_class_headers_cpp "$headers" "$classes" "$@" &&
1269 enable $name && eval ${name}_extralibs="\$@"
1273 log check_pkg_config "$@"
1281 check_cmd $pkg_config --exists --print-errors $pkg_version || return
1282 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1283 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1284 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1286 set_sanitized "${name}_cflags" $pkg_cflags &&
1287 set_sanitized "${name}_extralibs" $pkg_libs
1291 check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1295 log check_exec_crash "$@"
1298 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1299 # are safe but may not be available everywhere. Thus we use
1300 # raise(SIGTERM) instead. The check is run in a subshell so we
1301 # can redirect the "Terminated" message from the shell. SIGBUS
1302 # is not defined by standard C so it is used conditionally.
1304 (check_exec "$@") >> $logfile 2>&1 <<EOF
1306 static void sighandler(int sig){
1312 int (*func_ptr)(void) = foo;
1314 signal(SIGILL, sighandler);
1315 signal(SIGFPE, sighandler);
1316 signal(SIGSEGV, sighandler);
1318 signal(SIGBUS, sighandler);
1330 disable_sanitized "$type"
1331 check_code cc "$headers" "$type v" "$@" && enable_sanitized "$type"
1335 log check_struct "$@"
1340 disable_sanitized "${struct}_${member}"
1341 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1342 enable_sanitized "${struct}_${member}"
1346 log check_builtin "$@"
1352 check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1355 check_compile_assert(){
1356 log check_compile_assert "$@"
1362 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1372 check_lib $name "$headers" $func "$@" || die "ERROR: $name_version not found"
1380 check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1387 check_header "$header" "$@" || die "ERROR: $header header not found"
1390 require_cpp_condition(){
1395 check_cpp_condition "$header" "$condition" "$@" || die "ERROR: $condition not satisfied"
1399 log use_pkg_config "$@"
1401 check_pkg_config "$@" || return 1
1402 add_cflags $(get_sanitized "${name}_cflags")
1405 require_pkg_config(){
1406 log require_pkg_config "$@"
1408 use_pkg_config "$@" || die "ERROR: $pkg_version not found using pkg-config$pkg_config_fail_message"
1412 eval printf '%s\\n' $HOSTCC_E
1416 eval printf '%s\\n' $HOSTCC_O
1420 log check_host_cc "$@"
1423 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1427 log check_host_cpp "$@"
1430 check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1433 check_host_cppflags(){
1434 log check_host_cppflags "$@"
1435 check_host_cpp "$@" <<EOF && append host_cppflags "$@"
1440 check_host_cflags(){
1441 log check_host_cflags "$@"
1442 set -- $($host_cflags_filter "$@")
1443 check_host_cc "$@" <<EOF && append host_cflags "$@"
1448 check_host_cpp_condition(){
1449 log check_host_cpp_condition "$@"
1453 check_host_cpp "$@" <<EOF
1456 #error "unsatisfied condition: $condition"
1462 cmp -s "$1" "$2" && { test "$quiet" != "yes" && echo "$2 is unchanged"; } && return
1463 mkdir -p "$(dirname $2)"
1467 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1468 # system-dependent things.
1470 AVCODEC_COMPONENTS="
1478 AVDEVICE_COMPONENTS="
1483 AVFILTER_COMPONENTS="
1487 AVFORMAT_COMPONENTS="
1493 AVRESAMPLE_COMPONENTS=""
1495 AVUTIL_COMPONENTS=""
1499 $AVDEVICE_COMPONENTS
1500 $AVFILTER_COMPONENTS
1501 $AVFORMAT_COMPONENTS
1502 $AVRESAMPLE_COMPONENTS
1507 avio_dir_cmd_example
1508 avio_reading_example
1509 decode_audio_example
1510 decode_video_example
1511 demuxing_decoding_example
1512 encode_audio_example
1513 encode_video_example
1515 filter_audio_example
1516 filtering_audio_example
1517 filtering_video_example
1518 http_multiclient_example
1524 resampling_audio_example
1525 scaling_video_example
1526 transcode_aac_example
1530 EXTERNAL_AUTODETECT_LIBRARY_LIST="
1550 EXTERNAL_LIBRARY_GPL_LIST="
1562 EXTERNAL_LIBRARY_NONFREE_LIST="
1569 EXTERNAL_LIBRARY_VERSION3_LIST="
1578 EXTERNAL_LIBRARY_GPLV3_LIST="
1582 EXTERNAL_LIBRARY_LIST="
1583 $EXTERNAL_LIBRARY_GPL_LIST
1584 $EXTERNAL_LIBRARY_NONFREE_LIST
1585 $EXTERNAL_LIBRARY_VERSION3_LIST
1586 $EXTERNAL_LIBRARY_GPLV3_LIST
1644 HWACCEL_AUTODETECT_LIBRARY_LIST="
1660 # catchall list of things that require external libs to link
1666 HWACCEL_LIBRARY_NONFREE_LIST="
1671 HWACCEL_LIBRARY_LIST="
1672 $HWACCEL_LIBRARY_NONFREE_LIST
1692 safe_bitstream_reader
1739 # COMPONENT_LIST needs to come last to ensure correct dependency checking
1743 $EXTERNAL_LIBRARY_LIST
1744 $EXTERNAL_AUTODETECT_LIBRARY_LIST
1745 $HWACCEL_LIBRARY_LIST
1746 $HWACCEL_AUTODETECT_LIBRARY_LIST
1778 $EXTERNAL_AUTODETECT_LIBRARY_LIST
1779 $HWACCEL_AUTODETECT_LIBRARY_LIST
1821 ARCH_EXT_LIST_MIPS="
1833 ARCH_EXT_LIST_LOONGSON="
1839 ARCH_EXT_LIST_X86_SIMD="
1868 $ARCH_EXT_LIST_X86_SIMD
1878 $ARCH_EXT_LIST_LOONGSON
1899 sync_val_compare_and_swap
1916 cdio_paranoia_paranoia_h
1920 dev_bktr_ioctl_bt848_h
1921 dev_bktr_ioctl_meteor_h
1923 dev_video_bktr_ioctl_bt848_h
1924 dev_video_meteor_ioctl_meteor_h
1934 machine_ioctl_bt848_h
1935 machine_ioctl_meteor_h
1937 opencv2_core_core_c_h
2014 GetProcessAffinityMask
2015 GetProcessMemoryInfo
2018 GetSystemTimeAsFileTime
2041 SetConsoleTextAttribute
2042 SetConsoleCtrlHandler
2050 UTGetOSTypeFromString
2055 TOOLCHAIN_FEATURES="
2069 inline_asm_direct_symbol_refs
2071 inline_asm_nonlocal_labels
2082 CONDITION_VARIABLE_Ptr
2083 kCMVideoCodecType_HEVC
2086 struct_group_source_req
2087 struct_ip_mreq_source
2089 struct_msghdr_msg_flags
2091 struct_rusage_ru_maxrss
2092 struct_sctp_event_subscribe
2094 struct_sockaddr_sa_len
2095 struct_sockaddr_storage
2096 struct_stat_st_mtim_tv_nsec
2097 struct_v4l2_frmivalenum_discrete
2102 $(add_suffix _external $ARCH_EXT_LIST)
2103 $(add_suffix _inline $ARCH_EXT_LIST)
2122 MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS
2135 # options emitted with CONFIG_ prefix but not available on the command line
2157 frame_thread_encoder
2312 # code dependency declarations
2314 # architecture extensions
2319 armv8_deps="aarch64"
2320 neon_deps_any="aarch64 arm"
2321 intrinsics_neon_deps="neon"
2322 vfp_deps_any="aarch64 arm"
2326 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
2335 loongson2_deps="mips"
2336 loongson3_deps="mips"
2337 mips32r2_deps="mips"
2338 mips32r5_deps="mips"
2339 mips32r6_deps="mips"
2340 mips64r2_deps="mips"
2341 mips64r6_deps="mips"
2344 mipsdspr2_deps="mips"
2349 x86_64_select="i686"
2350 x86_64_suggest="fast_cmov"
2353 amd3dnowext_deps="amd3dnow"
2370 mmx_external_deps="x86asm"
2371 mmx_inline_deps="inline_asm x86"
2372 mmx_suggest="mmx_external mmx_inline"
2374 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
2375 eval dep=\$${ext}_deps
2376 eval ${ext}_external_deps='"${dep}_external"'
2377 eval ${ext}_inline_deps='"${dep}_inline"'
2378 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
2381 aligned_stack_if_any="aarch64 ppc x86"
2382 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
2383 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
2384 fast_unaligned_if_any="aarch64 ppc x86"
2385 simd_align_16_if_any="altivec neon sse"
2386 simd_align_32_if_any="avx"
2388 # system capabilities
2389 symver_if_any="symver_asm_label symver_gnu_asm"
2390 valgrind_backtrace_conflict="optimizations"
2391 valgrind_backtrace_deps="valgrind_valgrind_h"
2394 atomics_gcc_if="sync_val_compare_and_swap"
2395 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
2396 atomics_win32_if="MemoryBarrier"
2397 atomics_native_if_any="$ATOMICS_LIST"
2398 w32threads_deps="atomics_native"
2399 threads_if_any="$THREADS_LIST"
2402 cbs_h264_select="cbs golomb"
2403 cbs_h265_select="cbs golomb"
2404 cbs_mpeg2_select="cbs"
2406 dirac_parse_select="golomb"
2407 error_resilience_select="me_cmp"
2409 faandct_select="fdctdsp"
2410 faanidct_deps="faan"
2411 faanidct_select="idctdsp"
2412 h264dsp_select="startcode"
2413 hevcparse_select="golomb"
2414 frame_thread_encoder_deps="encoders threads"
2415 intrax8_select="blockdsp idctdsp"
2418 me_cmp_select="fdctdsp idctdsp pixblockdsp"
2419 mpeg_er_select="error_resilience"
2420 mpegaudio_select="mpegaudiodsp mpegaudioheader"
2421 mpegaudiodsp_select="dct"
2422 mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp mpeg_er videodsp"
2423 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
2424 vc1dsp_select="h264chroma qpeldsp startcode"
2427 # decoders / encoders
2428 aac_decoder_select="adts_header mdct15 mdct sinewin"
2429 aac_fixed_decoder_select="mdct sinewin"
2430 aac_encoder_select="audio_frame_queue iirfilter lpc mdct sinewin"
2431 aac_latm_decoder_select="aac_decoder aac_latm_parser"
2432 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
2433 ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"
2434 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
2435 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
2436 adpcm_g722_decoder_select="g722dsp"
2437 adpcm_g722_encoder_select="g722dsp"
2438 aic_decoder_select="golomb idctdsp"
2439 alac_encoder_select="lpc"
2440 als_decoder_select="bswapdsp"
2441 amrnb_decoder_select="lsp"
2442 amrwb_decoder_select="lsp"
2443 amv_decoder_select="sp5x_decoder exif"
2444 amv_encoder_select="aandcttables jpegtables mpegvideoenc"
2445 ape_decoder_select="bswapdsp llauddsp"
2446 apng_decoder_select="zlib"
2447 apng_encoder_select="llvidencdsp zlib"
2448 asv1_decoder_select="blockdsp bswapdsp idctdsp"
2449 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
2450 asv2_decoder_select="blockdsp bswapdsp idctdsp"
2451 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
2452 atrac1_decoder_select="mdct sinewin"
2453 atrac3_decoder_select="mdct"
2454 atrac3p_decoder_select="mdct sinewin"
2455 avrn_decoder_select="exif jpegtables"
2456 bink_decoder_select="blockdsp hpeldsp"
2457 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
2458 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
2459 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
2460 clearvideo_decoder_select="idctdsp"
2461 cllc_decoder_select="bswapdsp"
2462 comfortnoise_encoder_select="lpc"
2463 cook_decoder_select="audiodsp mdct sinewin"
2464 cscd_decoder_select="lzo"
2465 cscd_decoder_suggest="zlib"
2466 dca_decoder_select="mdct"
2467 dds_decoder_select="texturedsp"
2468 dirac_decoder_select="dirac_parse dwt golomb videodsp mpegvideoenc"
2469 dnxhd_decoder_select="blockdsp idctdsp"
2470 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
2471 dolby_e_decoder_select="mdct"
2472 dvvideo_decoder_select="dvprofile idctdsp"
2473 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
2474 dxa_decoder_select="zlib"
2475 dxv_decoder_select="lzf texturedsp"
2476 eac3_decoder_select="ac3_decoder"
2477 eac3_encoder_select="ac3_encoder"
2478 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
2479 eatgq_decoder_select="aandcttables"
2480 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp"
2481 exr_decoder_select="zlib"
2482 ffv1_decoder_select="rangecoder"
2483 ffv1_encoder_select="rangecoder"
2484 ffvhuff_decoder_select="huffyuv_decoder"
2485 ffvhuff_encoder_select="huffyuv_encoder"
2486 fic_decoder_select="golomb"
2487 flac_decoder_select="flacdsp"
2488 flac_encoder_select="bswapdsp flacdsp lpc"
2489 flashsv2_decoder_select="zlib"
2490 flashsv2_encoder_select="zlib"
2491 flashsv_decoder_select="zlib"
2492 flashsv_encoder_select="zlib"
2493 flv_decoder_select="h263_decoder"
2494 flv_encoder_select="h263_encoder"
2495 fourxm_decoder_select="blockdsp bswapdsp"
2496 fraps_decoder_select="bswapdsp huffman"
2497 g2m_decoder_select="blockdsp idctdsp jpegtables zlib"
2498 g729_decoder_select="audiodsp"
2499 h261_decoder_select="mpegvideo"
2500 h261_encoder_select="aandcttables mpegvideoenc"
2501 h263_decoder_select="h263_parser h263dsp mpegvideo qpeldsp"
2502 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
2503 h263i_decoder_select="h263_decoder"
2504 h263p_decoder_select="h263_decoder"
2505 h263p_encoder_select="h263_encoder"
2506 h264_decoder_select="cabac golomb h264chroma h264dsp h264parse h264pred h264qpel videodsp"
2507 h264_decoder_suggest="error_resilience"
2508 hap_decoder_select="snappy texturedsp"
2509 hap_encoder_deps="libsnappy"
2510 hap_encoder_select="texturedspenc"
2511 hevc_decoder_select="bswapdsp cabac golomb hevcparse videodsp"
2512 huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"
2513 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llvidencdsp"
2514 iac_decoder_select="imc_decoder"
2515 imc_decoder_select="bswapdsp fft mdct sinewin"
2516 indeo3_decoder_select="hpeldsp"
2517 indeo4_decoder_select="ividsp"
2518 indeo5_decoder_select="ividsp"
2519 interplay_video_decoder_select="hpeldsp"
2520 jpegls_decoder_select="mjpeg_decoder"
2521 jv_decoder_select="blockdsp"
2522 lagarith_decoder_select="llviddsp"
2523 ljpeg_encoder_select="aandcttables idctdsp jpegtables mpegvideoenc"
2524 magicyuv_decoder_select="llviddsp"
2525 magicyuv_encoder_select="llvidencdsp"
2526 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2527 metasound_decoder_select="lsp mdct sinewin"
2528 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2529 mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"
2530 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
2531 mjpegb_decoder_select="mjpeg_decoder"
2532 mlp_decoder_select="mlp_parser"
2533 mlp_encoder_select="lpc"
2534 motionpixels_decoder_select="bswapdsp"
2535 mp1_decoder_select="mpegaudio"
2536 mp1float_decoder_select="mpegaudio"
2537 mp2_decoder_select="mpegaudio"
2538 mp2float_decoder_select="mpegaudio"
2539 mp3_decoder_select="mpegaudio"
2540 mp3adu_decoder_select="mpegaudio"
2541 mp3adufloat_decoder_select="mpegaudio"
2542 mp3float_decoder_select="mpegaudio"
2543 mp3on4_decoder_select="mpegaudio"
2544 mp3on4float_decoder_select="mpegaudio"
2545 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2546 mpc8_decoder_select="mpegaudiodsp"
2547 mpegvideo_decoder_select="mpegvideo"
2548 mpeg1video_decoder_select="mpegvideo"
2549 mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"
2550 mpeg2video_decoder_select="mpegvideo"
2551 mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"
2552 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2553 mpeg4_encoder_select="h263_encoder"
2554 msa1_decoder_select="mss34dsp"
2555 mscc_decoder_select="zlib"
2556 msmpeg4v1_decoder_select="h263_decoder"
2557 msmpeg4v2_decoder_select="h263_decoder"
2558 msmpeg4v2_encoder_select="h263_encoder"
2559 msmpeg4v3_decoder_select="h263_decoder"
2560 msmpeg4v3_encoder_select="h263_encoder"
2561 mss2_decoder_select="mpegvideo qpeldsp vc1_decoder"
2562 mts2_decoder_select="mss34dsp"
2563 mxpeg_decoder_select="mjpeg_decoder"
2564 nellymoser_decoder_select="mdct sinewin"
2565 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2566 nuv_decoder_select="idctdsp lzo"
2567 on2avc_decoder_select="mdct"
2568 opus_decoder_deps="swresample"
2569 opus_decoder_select="mdct15"
2570 opus_encoder_select="audio_frame_queue mdct15"
2571 png_decoder_select="zlib"
2572 png_encoder_select="llvidencdsp zlib"
2573 prores_decoder_select="blockdsp idctdsp"
2574 prores_encoder_select="fdctdsp"
2575 qcelp_decoder_select="lsp"
2576 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2577 ra_144_decoder_select="audiodsp"
2578 ra_144_encoder_select="audio_frame_queue lpc audiodsp"
2579 ralf_decoder_select="golomb"
2580 rawvideo_decoder_select="bswapdsp"
2581 rscc_decoder_select="zlib"
2582 rtjpeg_decoder_select="me_cmp"
2583 rv10_decoder_select="h263_decoder"
2584 rv10_encoder_select="h263_encoder"
2585 rv20_decoder_select="h263_decoder"
2586 rv20_encoder_select="h263_encoder"
2587 rv30_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2588 rv40_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2589 screenpresso_decoder_select="zlib"
2590 shorten_decoder_select="bswapdsp"
2591 sipr_decoder_select="lsp"
2592 snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"
2593 snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"
2594 sonic_decoder_select="golomb rangecoder"
2595 sonic_encoder_select="golomb rangecoder"
2596 sonic_ls_encoder_select="golomb rangecoder"
2597 sp5x_decoder_select="mjpeg_decoder"
2598 srgc_decoder_select="zlib"
2599 svq1_decoder_select="hpeldsp"
2600 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2601 svq3_decoder_select="golomb h264dsp h264parse h264pred hpeldsp tpeldsp videodsp"
2602 svq3_decoder_suggest="zlib"
2603 tak_decoder_select="audiodsp"
2604 tdsc_decoder_select="zlib mjpeg_decoder"
2605 theora_decoder_select="vp3_decoder"
2606 thp_decoder_select="mjpeg_decoder"
2607 tiff_decoder_suggest="zlib lzma"
2608 tiff_encoder_suggest="zlib"
2609 truehd_decoder_select="mlp_parser"
2610 truehd_encoder_select="lpc"
2611 truemotion2_decoder_select="bswapdsp"
2612 truespeech_decoder_select="bswapdsp"
2613 tscc_decoder_select="zlib"
2614 twinvq_decoder_select="mdct lsp sinewin"
2615 txd_decoder_select="texturedsp"
2616 utvideo_decoder_select="bswapdsp llviddsp"
2617 utvideo_encoder_select="bswapdsp huffman llvidencdsp"
2618 vble_decoder_select="llviddsp"
2619 vc1_decoder_select="blockdsp h263_decoder h264qpel intrax8 mpegvideo vc1dsp"
2620 vc1image_decoder_select="vc1_decoder"
2621 vorbis_decoder_select="mdct"
2622 vorbis_encoder_select="mdct"
2623 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2624 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"
2625 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"
2626 vp6a_decoder_select="vp6_decoder"
2627 vp6f_decoder_select="vp6_decoder"
2628 vp7_decoder_select="h264pred videodsp vp8dsp"
2629 vp8_decoder_select="h264pred videodsp vp8dsp"
2630 vp9_decoder_select="videodsp vp9_parser"
2631 webp_decoder_select="vp8_decoder exif"
2632 wmalossless_decoder_select="llauddsp"
2633 wmapro_decoder_select="mdct sinewin wma_freqs"
2634 wmav1_decoder_select="mdct sinewin wma_freqs"
2635 wmav1_encoder_select="mdct sinewin wma_freqs"
2636 wmav2_decoder_select="mdct sinewin wma_freqs"
2637 wmav2_encoder_select="mdct sinewin wma_freqs"
2638 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2639 wmv1_decoder_select="h263_decoder"
2640 wmv1_encoder_select="h263_encoder"
2641 wmv2_decoder_select="blockdsp error_resilience h263_decoder idctdsp intrax8 videodsp wmv2dsp"
2642 wmv2_encoder_select="h263_encoder wmv2dsp"
2643 wmv3_decoder_select="vc1_decoder"
2644 wmv3image_decoder_select="wmv3_decoder"
2645 xma1_decoder_select="wmapro_decoder"
2646 xma2_decoder_select="wmapro_decoder"
2647 zerocodec_decoder_select="zlib"
2648 zlib_decoder_select="zlib"
2649 zlib_encoder_select="zlib"
2650 zmbv_decoder_select="zlib"
2651 zmbv_encoder_select="zlib"
2653 # hardware accelerators
2654 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
2655 cuda_deps_any="libdl LoadLibrary"
2657 d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder ID3D11VideoContext"
2658 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode ole32 user32"
2659 videotoolbox_hwaccel_deps="videotoolbox pthreads"
2660 videotoolbox_hwaccel_extralibs="-framework QuartzCore"
2661 xvmc_deps="X11_extensions_XvMClib_h"
2663 h263_vaapi_hwaccel_deps="vaapi"
2664 h263_vaapi_hwaccel_select="h263_decoder"
2665 h263_videotoolbox_hwaccel_deps="videotoolbox"
2666 h263_videotoolbox_hwaccel_select="h263_decoder"
2667 h264_cuvid_hwaccel_deps="cuda cuvid"
2668 h264_cuvid_hwaccel_select="h264_cuvid_decoder"
2669 h264_d3d11va_hwaccel_deps="d3d11va"
2670 h264_d3d11va_hwaccel_select="h264_decoder"
2671 h264_d3d11va2_hwaccel_deps="d3d11va"
2672 h264_d3d11va2_hwaccel_select="h264_decoder"
2673 h264_dxva2_hwaccel_deps="dxva2"
2674 h264_dxva2_hwaccel_select="h264_decoder"
2675 h264_mediacodec_hwaccel_deps="mediacodec"
2676 h264_mmal_hwaccel_deps="mmal"
2677 h264_nvdec_hwaccel_deps="cuda nvdec"
2678 h264_nvdec_hwaccel_select="h264_decoder"
2679 h264_qsv_hwaccel_deps="libmfx"
2680 h264_vaapi_hwaccel_deps="vaapi"
2681 h264_vaapi_hwaccel_select="h264_decoder"
2682 h264_vdpau_hwaccel_deps="vdpau"
2683 h264_vdpau_hwaccel_select="h264_decoder"
2684 h264_videotoolbox_hwaccel_deps="videotoolbox"
2685 h264_videotoolbox_hwaccel_select="h264_decoder"
2686 hevc_cuvid_hwaccel_deps="cuda cuvid"
2687 hevc_cuvid_hwaccel_select="hevc_cuvid_decoder"
2688 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2689 hevc_d3d11va_hwaccel_select="hevc_decoder"
2690 hevc_mediacodec_hwaccel_deps="mediacodec"
2691 hevc_d3d11va2_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2692 hevc_d3d11va2_hwaccel_select="hevc_decoder"
2693 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2694 hevc_dxva2_hwaccel_select="hevc_decoder"
2695 hevc_qsv_hwaccel_deps="libmfx"
2696 hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC"
2697 hevc_vaapi_hwaccel_select="hevc_decoder"
2698 hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"
2699 hevc_vdpau_hwaccel_select="hevc_decoder"
2700 hevc_videotoolbox_hwaccel_deps="videotoolbox"
2701 hevc_videotoolbox_hwaccel_select="hevc_decoder"
2702 mjpeg_cuvid_hwaccel_deps="cuda cuvid"
2703 mjpeg_cuvid_hwaccel_select="mjpeg_cuvid_decoder"
2704 mpeg_xvmc_hwaccel_deps="xvmc"
2705 mpeg_xvmc_hwaccel_select="mpeg2video_decoder"
2706 mpeg1_cuvid_hwaccel_deps="cuda cuvid"
2707 mpeg1_cuvid_hwaccel_select="mpeg1_cuvid_decoder"
2708 mpeg1_vdpau_hwaccel_deps="vdpau"
2709 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2710 mpeg1_videotoolbox_hwaccel_deps="videotoolbox"
2711 mpeg1_videotoolbox_hwaccel_select="mpeg1video_decoder"
2712 mpeg1_xvmc_hwaccel_deps="xvmc"
2713 mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"
2714 mpeg2_cuvid_hwaccel_deps="cuda cuvid"
2715 mpeg2_cuvid_hwaccel_select="mpeg2_cuvid_decoder"
2716 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2717 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2718 mpeg2_d3d11va2_hwaccel_deps="d3d11va"
2719 mpeg2_d3d11va2_hwaccel_select="mpeg2video_decoder"
2720 mpeg2_dxva2_hwaccel_deps="dxva2"
2721 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2722 mpeg2_mediacodec_hwaccel_deps="mediacodec"
2723 mpeg2_mmal_hwaccel_deps="mmal"
2724 mpeg2_qsv_hwaccel_deps="libmfx"
2725 mpeg2_vaapi_hwaccel_deps="vaapi"
2726 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2727 mpeg2_vdpau_hwaccel_deps="vdpau"
2728 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2729 mpeg2_videotoolbox_hwaccel_deps="videotoolbox"
2730 mpeg2_videotoolbox_hwaccel_select="mpeg2video_decoder"
2731 mpeg2_xvmc_hwaccel_deps="xvmc"
2732 mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"
2733 mpeg4_cuvid_hwaccel_deps="cuda cuvid"
2734 mpeg4_cuvid_hwaccel_select="mpeg4_cuvid_decoder"
2735 mpeg4_mediacodec_hwaccel_deps="mediacodec"
2736 mpeg4_mmal_hwaccel_deps="mmal"
2737 mpeg4_vaapi_hwaccel_deps="vaapi"
2738 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2739 mpeg4_vdpau_hwaccel_deps="vdpau"
2740 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2741 mpeg4_videotoolbox_hwaccel_deps="videotoolbox"
2742 mpeg4_videotoolbox_hwaccel_select="mpeg4_decoder"
2743 vc1_cuvid_hwaccel_deps="cuda cuvid"
2744 vc1_cuvid_hwaccel_select="vc1_cuvid_decoder"
2745 vc1_d3d11va_hwaccel_deps="d3d11va"
2746 vc1_d3d11va_hwaccel_select="vc1_decoder"
2747 vc1_d3d11va2_hwaccel_deps="d3d11va"
2748 vc1_d3d11va2_hwaccel_select="vc1_decoder"
2749 vc1_dxva2_hwaccel_deps="dxva2"
2750 vc1_dxva2_hwaccel_select="vc1_decoder"
2751 vc1_mmal_hwaccel_deps="mmal"
2752 vc1_qsv_hwaccel_deps="libmfx"
2753 vc1_vaapi_hwaccel_deps="vaapi"
2754 vc1_vaapi_hwaccel_select="vc1_decoder"
2755 vc1_vdpau_hwaccel_deps="vdpau"
2756 vc1_vdpau_hwaccel_select="vc1_decoder"
2757 vp8_cuvid_hwaccel_deps="cuda cuvid"
2758 vp8_cuvid_hwaccel_select="vp8_cuvid_decoder"
2759 vp9_cuvid_hwaccel_deps="cuda cuvid"
2760 vp9_cuvid_hwaccel_select="vp9_cuvid_decoder"
2761 vp8_mediacodec_hwaccel_deps="mediacodec"
2762 vp8_qsv_hwaccel_deps="libmfx"
2763 vp9_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_VP9"
2764 vp9_d3d11va_hwaccel_select="vp9_decoder"
2765 vp9_d3d11va2_hwaccel_deps="d3d11va DXVA_PicParams_VP9"
2766 vp9_d3d11va2_hwaccel_select="vp9_decoder"
2767 vp9_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_VP9"
2768 vp9_dxva2_hwaccel_select="vp9_decoder"
2769 vp9_mediacodec_hwaccel_deps="mediacodec"
2770 vp9_vaapi_hwaccel_deps="vaapi VADecPictureParameterBufferVP9_bit_depth"
2771 vp9_vaapi_hwaccel_select="vp9_decoder"
2772 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2773 wmv3_d3d11va2_hwaccel_select="vc1_d3d11va2_hwaccel"
2774 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2775 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2776 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2778 # hardware-accelerated codecs
2779 omx_deps="libdl pthreads"
2780 omx_rpi_select="omx"
2784 vaapi_encode_deps="vaapi"
2785 v4l2_m2m_deps_any="linux_videodev2_h"
2787 hwupload_cuda_filter_deps="cuda"
2788 scale_npp_filter_deps="cuda libnpp"
2789 scale_cuda_filter_deps="cuda_sdk"
2790 thumbnail_cuda_filter_deps="cuda_sdk"
2793 nvenc_deps_any="libdl LoadLibrary"
2794 nvenc_encoder_deps="nvenc"
2796 h263_v4l2m2m_decoder_deps="v4l2_m2m h263_v4l2_m2m"
2797 h263_v4l2m2m_encoder_deps="v4l2_m2m h263_v4l2_m2m"
2798 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
2799 h264_cuvid_decoder_deps="cuda cuvid"
2800 h264_cuvid_decoder_select="h264_mp4toannexb_bsf"
2801 h264_mediacodec_decoder_deps="mediacodec"
2802 h264_mediacodec_decoder_select="h264_mp4toannexb_bsf h264_parser"
2803 h264_mmal_decoder_deps="mmal"
2804 h264_nvenc_encoder_deps="nvenc"
2805 h264_omx_encoder_deps="omx"
2806 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
2807 h264_qsv_encoder_select="qsvenc"
2808 h264_rkmpp_decoder_deps="rkmpp"
2809 h264_rkmpp_decoder_select="h264_mp4toannexb_bsf"
2810 h264_vaapi_encoder_deps="VAEncPictureParameterBufferH264"
2811 h264_vaapi_encoder_select="cbs_h264 vaapi_encode"
2812 h264_v4l2m2m_decoder_deps="v4l2_m2m h264_v4l2_m2m"
2813 h264_v4l2m2m_encoder_deps="v4l2_m2m h264_v4l2_m2m"
2814 hevc_cuvid_decoder_deps="cuda cuvid"
2815 hevc_cuvid_decoder_select="hevc_mp4toannexb_bsf"
2816 hevc_mediacodec_decoder_deps="mediacodec"
2817 hevc_mediacodec_decoder_select="hevc_mp4toannexb_bsf hevc_parser"
2818 hevc_nvenc_encoder_deps="nvenc"
2819 hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec hevc_qsv_hwaccel"
2820 hevc_qsv_encoder_select="hevcparse qsvenc"
2821 hevc_rkmpp_decoder_deps="rkmpp"
2822 hevc_rkmpp_decoder_select="hevc_mp4toannexb_bsf"
2823 hevc_vaapi_encoder_deps="VAEncPictureParameterBufferHEVC"
2824 hevc_vaapi_encoder_select="cbs_h265 vaapi_encode"
2825 hevc_v4l2m2m_decoder_deps="v4l2_m2m hevc_v4l2_m2m"
2826 hevc_v4l2m2m_encoder_deps="v4l2_m2m hevc_v4l2_m2m"
2827 mjpeg_cuvid_decoder_deps="cuda cuvid"
2828 mjpeg_qsv_encoder_deps="libmfx"
2829 mjpeg_qsv_encoder_select="qsvenc"
2830 mjpeg_vaapi_encoder_deps="VAEncPictureParameterBufferJPEG"
2831 mjpeg_vaapi_encoder_select="vaapi_encode jpegtables"
2832 mpeg1_cuvid_decoder_deps="cuda cuvid"
2833 mpeg1_v4l2m2m_decoder_deps="v4l2_m2m mpeg1_v4l2_m2m"
2834 mpeg2_crystalhd_decoder_select="crystalhd"
2835 mpeg2_cuvid_decoder_deps="cuda cuvid"
2836 mpeg2_mmal_decoder_deps="mmal"
2837 mpeg2_mediacodec_decoder_deps="mediacodec"
2838 mpeg2_qsv_decoder_select="qsvdec mpeg2_qsv_hwaccel"
2839 mpeg2_qsv_encoder_select="qsvenc"
2840 mpeg2_vaapi_encoder_deps="VAEncPictureParameterBufferMPEG2"
2841 mpeg2_vaapi_encoder_select="cbs_mpeg2 vaapi_encode"
2842 mpeg2_v4l2m2m_decoder_deps="v4l2_m2m mpeg2_v4l2_m2m"
2843 mpeg4_crystalhd_decoder_select="crystalhd"
2844 mpeg4_cuvid_decoder_deps="cuda cuvid"
2845 mpeg4_mediacodec_decoder_deps="mediacodec"
2846 mpeg4_mmal_decoder_deps="mmal"
2847 mpeg4_omx_encoder_deps="omx"
2848 mpeg4_v4l2m2m_decoder_deps="v4l2_m2m mpeg4_v4l2_m2m"
2849 mpeg4_v4l2m2m_encoder_deps="v4l2_m2m mpeg4_v4l2_m2m"
2850 msmpeg4_crystalhd_decoder_select="crystalhd"
2851 nvenc_h264_encoder_select="h264_nvenc_encoder"
2852 nvenc_hevc_encoder_select="hevc_nvenc_encoder"
2853 vc1_crystalhd_decoder_select="crystalhd"
2854 vc1_cuvid_decoder_deps="cuda cuvid"
2855 vc1_mmal_decoder_deps="mmal"
2856 vc1_qsv_decoder_select="qsvdec vc1_qsv_hwaccel vc1_parser"
2857 vc1_v4l2m2m_decoder_deps="v4l2_m2m vc1_v4l2_m2m"
2858 vp8_cuvid_decoder_deps="cuda cuvid"
2859 vp8_mediacodec_decoder_deps="mediacodec"
2860 vp8_qsv_decoder_select="qsvdec vp8_qsv_hwaccel vp8_parser"
2861 vp8_rkmpp_decoder_deps="rkmpp"
2862 vp8_vaapi_encoder_deps="VAEncPictureParameterBufferVP8"
2863 vp8_vaapi_encoder_select="vaapi_encode"
2864 vp8_v4l2m2m_decoder_deps="v4l2_m2m vp8_v4l2_m2m"
2865 vp8_v4l2m2m_encoder_deps="v4l2_m2m vp8_v4l2_m2m"
2866 vp9_cuvid_decoder_deps="cuda cuvid"
2867 vp9_mediacodec_decoder_deps="mediacodec"
2868 vp9_rkmpp_decoder_deps="rkmpp"
2869 vp9_vaapi_encoder_deps="VAEncPictureParameterBufferVP9"
2870 vp9_vaapi_encoder_select="vaapi_encode"
2871 vp9_v4l2m2m_decoder_deps="v4l2_m2m vp9_v4l2_m2m"
2872 wmv3_crystalhd_decoder_select="crystalhd"
2875 aac_parser_select="adts_header"
2876 h264_parser_select="golomb h264dsp h264parse"
2877 hevc_parser_select="hevcparse"
2878 mpegaudio_parser_select="mpegaudioheader"
2879 mpegvideo_parser_select="mpegvideo"
2880 mpeg4video_parser_select="h263dsp mpegvideo qpeldsp"
2881 vc1_parser_select="vc1dsp"
2884 aac_adtstoasc_bsf_select="adts_header"
2885 h264_metadata_bsf_select="cbs_h264"
2886 h264_redundant_pps_bsf_select="cbs_h264"
2887 hevc_metadata_bsf_select="cbs_h265"
2888 mjpeg2jpeg_bsf_select="jpegtables"
2889 mpeg2_metadata_bsf_select="cbs_mpeg2"
2890 trace_headers_bsf_select="cbs_h264 cbs_h265 cbs_mpeg2"
2892 # external libraries
2893 aac_at_decoder_deps="audiotoolbox"
2894 ac3_at_decoder_deps="audiotoolbox"
2895 ac3_at_decoder_select="ac3_parser"
2896 adpcm_ima_qt_at_decoder_deps="audiotoolbox"
2897 alac_at_decoder_deps="audiotoolbox"
2898 amr_nb_at_decoder_deps="audiotoolbox"
2899 avisynth_deps_any="libdl LoadLibrary"
2900 avisynth_demuxer_deps="avisynth"
2901 avisynth_demuxer_select="riffdec"
2902 eac3_at_decoder_deps="audiotoolbox"
2903 eac3_at_decoder_select="ac3_parser"
2904 gsm_ms_at_decoder_deps="audiotoolbox"
2905 ilbc_at_decoder_deps="audiotoolbox"
2906 mp1_at_decoder_deps="audiotoolbox"
2907 mp2_at_decoder_deps="audiotoolbox"
2908 mp3_at_decoder_deps="audiotoolbox"
2909 mp1_at_decoder_select="mpegaudioheader"
2910 mp2_at_decoder_select="mpegaudioheader"
2911 mp3_at_decoder_select="mpegaudioheader"
2912 pcm_alaw_at_decoder_deps="audiotoolbox"
2913 pcm_mulaw_at_decoder_deps="audiotoolbox"
2914 qdmc_at_decoder_deps="audiotoolbox"
2915 qdm2_at_decoder_deps="audiotoolbox"
2916 aac_at_encoder_deps="audiotoolbox"
2917 aac_at_encoder_select="audio_frame_queue"
2918 alac_at_encoder_deps="audiotoolbox"
2919 alac_at_encoder_select="audio_frame_queue"
2920 ilbc_at_encoder_deps="audiotoolbox"
2921 ilbc_at_encoder_select="audio_frame_queue"
2922 pcm_alaw_at_encoder_deps="audiotoolbox"
2923 pcm_alaw_at_encoder_select="audio_frame_queue"
2924 pcm_mulaw_at_encoder_deps="audiotoolbox"
2925 pcm_mulaw_at_encoder_select="audio_frame_queue"
2926 chromaprint_muxer_deps="chromaprint"
2927 h264_videotoolbox_encoder_deps="pthreads"
2928 h264_videotoolbox_encoder_select="videotoolbox_encoder"
2929 libcelt_decoder_deps="libcelt"
2930 libfdk_aac_decoder_deps="libfdk_aac"
2931 libfdk_aac_encoder_deps="libfdk_aac"
2932 libfdk_aac_encoder_select="audio_frame_queue"
2933 libgme_demuxer_deps="libgme"
2934 libgsm_decoder_deps="libgsm"
2935 libgsm_encoder_deps="libgsm"
2936 libgsm_ms_decoder_deps="libgsm"
2937 libgsm_ms_encoder_deps="libgsm"
2938 libilbc_decoder_deps="libilbc"
2939 libilbc_encoder_deps="libilbc"
2940 libkvazaar_encoder_deps="libkvazaar"
2941 libmodplug_demuxer_deps="libmodplug"
2942 libmp3lame_encoder_deps="libmp3lame"
2943 libmp3lame_encoder_select="audio_frame_queue mpegaudioheader"
2944 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2945 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2946 libopencore_amrnb_encoder_select="audio_frame_queue"
2947 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2948 libopenh264_decoder_deps="libopenh264"
2949 libopenh264_decoder_select="h264_mp4toannexb_bsf"
2950 libopenh264_encoder_deps="libopenh264"
2951 libopenjpeg_decoder_deps="libopenjpeg"
2952 libopenjpeg_encoder_deps="libopenjpeg"
2953 libopenmpt_demuxer_deps="libopenmpt"
2954 libopus_decoder_deps="libopus"
2955 libopus_encoder_deps="libopus"
2956 libopus_encoder_select="audio_frame_queue"
2957 librsvg_decoder_deps="librsvg"
2958 libshine_encoder_deps="libshine"
2959 libshine_encoder_select="audio_frame_queue"
2960 libspeex_decoder_deps="libspeex"
2961 libspeex_encoder_deps="libspeex"
2962 libspeex_encoder_select="audio_frame_queue"
2963 libtheora_encoder_deps="libtheora"
2964 libtwolame_encoder_deps="libtwolame"
2965 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2966 libvorbis_decoder_deps="libvorbis"
2967 libvorbis_encoder_deps="libvorbis libvorbisenc"
2968 libvorbis_encoder_select="audio_frame_queue"
2969 libvpx_vp8_decoder_deps="libvpx"
2970 libvpx_vp8_encoder_deps="libvpx"
2971 libvpx_vp9_decoder_deps="libvpx"
2972 libvpx_vp9_encoder_deps="libvpx"
2973 libwavpack_encoder_deps="libwavpack"
2974 libwavpack_encoder_select="audio_frame_queue"
2975 libwebp_encoder_deps="libwebp"
2976 libwebp_anim_encoder_deps="libwebp"
2977 libx262_encoder_deps="libx262"
2978 libx264_encoder_deps="libx264"
2979 libx264rgb_encoder_deps="libx264 x264_csp_bgr"
2980 libx264rgb_encoder_select="libx264_encoder"
2981 libx265_encoder_deps="libx265"
2982 libxavs_encoder_deps="libxavs"
2983 libxvid_encoder_deps="libxvid"
2984 libzvbi_teletext_decoder_deps="libzvbi"
2985 videotoolbox_suggest="coreservices"
2986 videotoolbox_deps="corefoundation coremedia corevideo"
2987 videotoolbox_encoder_deps="videotoolbox VTCompressionSessionPrepareToEncodeFrames"
2990 ac3_demuxer_select="ac3_parser"
2991 aiff_muxer_select="iso_media"
2992 asf_demuxer_select="riffdec"
2993 asf_o_demuxer_select="riffdec"
2994 asf_muxer_select="riffenc"
2995 asf_stream_muxer_select="asf_muxer"
2996 avi_demuxer_select="iso_media riffdec exif"
2997 avi_muxer_select="riffenc"
2998 caf_demuxer_select="iso_media riffdec"
2999 caf_muxer_select="iso_media"
3000 dash_muxer_select="mp4_muxer"
3001 dash_demuxer_deps="libxml2"
3002 dirac_demuxer_select="dirac_parser"
3003 dts_demuxer_select="dca_parser"
3004 dtshd_demuxer_select="dca_parser"
3005 dv_demuxer_select="dvprofile"
3006 dv_muxer_select="dvprofile"
3007 dxa_demuxer_select="riffdec"
3008 eac3_demuxer_select="ac3_parser"
3009 f4v_muxer_select="mov_muxer"
3010 fifo_muxer_deps="threads"
3011 flac_demuxer_select="flac_parser"
3012 hds_muxer_select="flv_muxer"
3013 hls_muxer_select="mpegts_muxer"
3014 hls_muxer_suggest="gcrypt openssl"
3015 image2_alias_pix_demuxer_select="image2_demuxer"
3016 image2_brender_pix_demuxer_select="image2_demuxer"
3017 ipod_muxer_select="mov_muxer"
3018 ismv_muxer_select="mov_muxer"
3019 matroska_audio_muxer_select="matroska_muxer"
3020 matroska_demuxer_select="iso_media riffdec"
3021 matroska_demuxer_suggest="bzlib lzo zlib"
3022 matroska_muxer_select="iso_media riffenc"
3023 mmf_muxer_select="riffenc"
3024 mov_demuxer_select="iso_media riffdec"
3025 mov_demuxer_suggest="zlib"
3026 mov_muxer_select="iso_media riffenc rtpenc_chain"
3027 mp3_demuxer_select="mpegaudio_parser"
3028 mp3_muxer_select="mpegaudioheader"
3029 mp4_muxer_select="mov_muxer"
3030 mpegts_demuxer_select="iso_media"
3031 mpegts_muxer_select="adts_muxer latm_muxer"
3032 mpegtsraw_demuxer_select="mpegts_demuxer"
3033 mxf_d10_muxer_select="mxf_muxer"
3034 mxf_opatom_muxer_select="mxf_muxer"
3035 nut_muxer_select="riffenc"
3036 nuv_demuxer_select="riffdec"
3037 oga_muxer_select="ogg_muxer"
3038 ogg_demuxer_select="dirac_parse"
3039 ogv_muxer_select="ogg_muxer"
3040 opus_muxer_select="ogg_muxer"
3041 psp_muxer_select="mov_muxer"
3042 rtp_demuxer_select="sdp_demuxer"
3043 rtp_muxer_select="golomb"
3044 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol srtp"
3045 rtsp_demuxer_select="http_protocol rtpdec"
3046 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
3047 sap_demuxer_select="sdp_demuxer"
3048 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
3049 sdp_demuxer_select="rtpdec"
3050 smoothstreaming_muxer_select="ismv_muxer"
3051 spdif_demuxer_select="adts_header"
3052 spdif_muxer_select="adts_header"
3053 spx_muxer_select="ogg_muxer"
3054 swf_demuxer_suggest="zlib"
3055 tak_demuxer_select="tak_parser"
3056 tg2_muxer_select="mov_muxer"
3057 tgp_muxer_select="mov_muxer"
3058 vobsub_demuxer_select="mpegps_demuxer"
3059 w64_demuxer_select="wav_demuxer"
3060 w64_muxer_select="wav_muxer"
3061 wav_demuxer_select="riffdec"
3062 wav_muxer_select="riffenc"
3063 webm_muxer_select="iso_media riffenc"
3064 webm_dash_manifest_demuxer_select="matroska_demuxer"
3065 wtv_demuxer_select="mpegts_demuxer riffdec"
3066 wtv_muxer_select="mpegts_muxer riffenc"
3067 xmv_demuxer_select="riffdec"
3068 xwma_demuxer_select="riffdec"
3071 alsa_indev_deps="alsa"
3072 alsa_outdev_deps="alsa"
3073 avfoundation_indev_deps="avfoundation corevideo coremedia pthreads"
3074 avfoundation_indev_suggest="coregraphics applicationservices"
3075 avfoundation_indev_extralibs="-framework Foundation"
3076 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
3077 caca_outdev_deps="libcaca"
3078 decklink_deps_any="libdl LoadLibrary"
3079 decklink_indev_deps="decklink threads"
3080 decklink_indev_extralibs="-lstdc++"
3081 decklink_outdev_deps="decklink threads"
3082 decklink_outdev_extralibs="-lstdc++"
3083 libndi_newtek_indev_deps="libndi_newtek"
3084 libndi_newtek_indev_extralibs="-lndi"
3085 libndi_newtek_outdev_deps="libndi_newtek"
3086 libndi_newtek_outdev_extralibs="-lndi"
3087 dshow_indev_deps="IBaseFilter"
3088 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"
3089 fbdev_indev_deps="linux_fb_h"
3090 fbdev_outdev_deps="linux_fb_h"
3091 gdigrab_indev_deps="CreateDIBSection"
3092 gdigrab_indev_extralibs="-lgdi32"
3093 gdigrab_indev_select="bmp_decoder"
3094 iec61883_indev_deps="libiec61883"
3095 jack_indev_deps="libjack"
3096 jack_indev_deps_any="sem_timedwait dispatch_dispatch_h"
3097 kmsgrab_indev_deps="libdrm"
3098 lavfi_indev_deps="avfilter"
3099 libcdio_indev_deps="libcdio"
3100 libdc1394_indev_deps="libdc1394"
3101 openal_indev_deps="openal"
3102 opengl_outdev_deps="opengl"
3103 oss_indev_deps_any="soundcard_h sys_soundcard_h"
3104 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
3105 pulse_indev_deps="libpulse"
3106 pulse_outdev_deps="libpulse"
3107 sdl2_outdev_deps="sdl2"
3108 sndio_indev_deps="sndio"
3109 sndio_outdev_deps="sndio"
3110 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
3111 v4l2_indev_suggest="libv4l2"
3112 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
3113 v4l2_outdev_suggest="libv4l2"
3114 vfwcap_indev_deps="vfw32 vfwcap_defines"
3115 xcbgrab_indev_deps="libxcb"
3116 xcbgrab_indev_suggest="libxcb_shm libxcb_shape libxcb_xfixes"
3117 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
3118 xv_outdev_extralibs="-lXv -lX11 -lXext"
3121 async_protocol_deps="threads"
3122 bluray_protocol_deps="libbluray"
3123 ffrtmpcrypt_protocol_conflict="librtmp_protocol"
3124 ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"
3125 ffrtmpcrypt_protocol_select="tcp_protocol"
3126 ffrtmphttp_protocol_conflict="librtmp_protocol"
3127 ffrtmphttp_protocol_select="http_protocol"
3128 ftp_protocol_select="tcp_protocol"
3129 gopher_protocol_select="network"
3130 http_protocol_select="tcp_protocol"
3131 http_protocol_suggest="zlib"
3132 httpproxy_protocol_select="tcp_protocol"
3133 httpproxy_protocol_suggest="zlib"
3134 https_protocol_select="tls_protocol"
3135 https_protocol_suggest="zlib"
3136 icecast_protocol_select="http_protocol"
3137 librtmp_protocol_deps="librtmp"
3138 librtmpe_protocol_deps="librtmp"
3139 librtmps_protocol_deps="librtmp"
3140 librtmpt_protocol_deps="librtmp"
3141 librtmpte_protocol_deps="librtmp"
3142 libsmbclient_protocol_deps="libsmbclient gplv3"
3143 libssh_protocol_deps="libssh"
3144 mmsh_protocol_select="http_protocol"
3145 mmst_protocol_select="network"
3146 rtmp_protocol_conflict="librtmp_protocol"
3147 rtmp_protocol_select="tcp_protocol"
3148 rtmp_protocol_suggest="zlib"
3149 rtmpe_protocol_select="ffrtmpcrypt_protocol"
3150 rtmpe_protocol_suggest="zlib"
3151 rtmps_protocol_conflict="librtmp_protocol"
3152 rtmps_protocol_select="tls_protocol"
3153 rtmps_protocol_suggest="zlib"
3154 rtmpt_protocol_select="ffrtmphttp_protocol"
3155 rtmpt_protocol_suggest="zlib"
3156 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
3157 rtmpte_protocol_suggest="zlib"
3158 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
3159 rtmpts_protocol_suggest="zlib"
3160 rtp_protocol_select="udp_protocol"
3161 schannel_conflict="openssl gnutls"
3162 sctp_protocol_deps="struct_sctp_event_subscribe struct_msghdr_msg_flags"
3163 sctp_protocol_select="network"
3164 securetransport_conflict="openssl gnutls"
3165 srtp_protocol_select="rtp_protocol srtp"
3166 tcp_protocol_select="network"
3167 tls_protocol_deps_any="gnutls openssl schannel securetransport"
3168 tls_protocol_select="tcp_protocol"
3169 udp_protocol_select="network"
3170 udplite_protocol_select="network"
3171 unix_protocol_deps="sys_un_h"
3172 unix_protocol_select="network"
3175 afftfilt_filter_deps="avcodec"
3176 afftfilt_filter_select="fft"
3177 afir_filter_deps="avcodec"
3178 afir_filter_select="fft"
3179 amovie_filter_deps="avcodec avformat"
3180 aresample_filter_deps="swresample"
3181 ass_filter_deps="libass"
3182 atempo_filter_deps="avcodec"
3183 atempo_filter_select="rdft"
3184 azmq_filter_deps="libzmq"
3185 blackframe_filter_deps="gpl"
3186 boxblur_filter_deps="gpl"
3187 bs2b_filter_deps="libbs2b"
3188 colormatrix_filter_deps="gpl"
3189 coreimage_filter_deps="coreimage appkit"
3190 coreimage_filter_extralibs="-framework OpenGL"
3191 coreimagesrc_filter_deps="coreimage appkit"
3192 coreimagesrc_filter_extralibs="-framework OpenGL"
3193 cover_rect_filter_deps="avcodec avformat gpl"
3194 cropdetect_filter_deps="gpl"
3195 deinterlace_qsv_filter_deps="libmfx"
3196 deinterlace_vaapi_filter_deps="vaapi"
3197 delogo_filter_deps="gpl"
3198 deshake_filter_select="pixelutils"
3199 deshake_filter_suggest="opencl"
3200 drawtext_filter_deps="libfreetype"
3201 drawtext_filter_suggest="libfontconfig libfribidi"
3202 elbg_filter_deps="avcodec"
3203 eq_filter_deps="gpl"
3204 fftfilt_filter_deps="avcodec"
3205 fftfilt_filter_select="rdft"
3206 find_rect_filter_deps="avcodec avformat gpl"
3207 firequalizer_filter_deps="avcodec"
3208 firequalizer_filter_select="rdft"
3209 flite_filter_deps="libflite"
3210 framerate_filter_select="pixelutils"
3211 frei0r_filter_deps="frei0r libdl"
3212 frei0r_src_filter_deps="frei0r libdl"
3213 fspp_filter_deps="gpl"
3214 geq_filter_deps="gpl"
3215 histeq_filter_deps="gpl"
3216 hqdn3d_filter_deps="gpl"
3217 interlace_filter_deps="gpl"
3218 kerndeint_filter_deps="gpl"
3219 ladspa_filter_deps="ladspa libdl"
3220 mcdeint_filter_deps="avcodec gpl"
3221 movie_filter_deps="avcodec avformat"
3222 mpdecimate_filter_deps="gpl"
3223 mpdecimate_filter_select="pixelutils"
3224 mptestsrc_filter_deps="gpl"
3225 negate_filter_deps="lut_filter"
3226 nnedi_filter_deps="gpl"
3227 ocr_filter_deps="libtesseract"
3228 ocv_filter_deps="libopencv"
3229 owdenoise_filter_deps="gpl"
3230 pan_filter_deps="swresample"
3231 perspective_filter_deps="gpl"
3232 phase_filter_deps="gpl"
3233 pp7_filter_deps="gpl"
3234 pp_filter_deps="gpl postproc"
3235 pullup_filter_deps="gpl"
3236 removelogo_filter_deps="avcodec avformat swscale"
3237 repeatfields_filter_deps="gpl"
3238 resample_filter_deps="avresample"
3239 rubberband_filter_deps="librubberband"
3240 sab_filter_deps="gpl swscale"
3241 scale2ref_filter_deps="swscale"
3242 scale_filter_deps="swscale"
3243 scale_qsv_filter_deps="libmfx"
3244 select_filter_select="pixelutils"
3245 showcqt_filter_deps="avcodec avformat swscale"
3246 showcqt_filter_suggest="libfontconfig libfreetype"
3247 showcqt_filter_select="fft"
3248 showfreqs_filter_deps="avcodec"
3249 showfreqs_filter_select="fft"
3250 showspectrum_filter_deps="avcodec"
3251 showspectrum_filter_select="fft"
3252 showspectrumpic_filter_deps="avcodec"
3253 showspectrumpic_filter_select="fft"
3254 signature_filter_deps="gpl avcodec avformat"
3255 smartblur_filter_deps="gpl swscale"
3256 sofalizer_filter_deps="libmysofa avcodec"
3257 sofalizer_filter_select="fft"
3258 spectrumsynth_filter_deps="avcodec"
3259 spectrumsynth_filter_select="fft"
3260 spp_filter_deps="gpl avcodec"
3261 spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"
3262 stereo3d_filter_deps="gpl"
3263 subtitles_filter_deps="avformat avcodec libass"
3264 super2xsai_filter_deps="gpl"
3265 pixfmts_super2xsai_test_deps="super2xsai_filter"
3266 tinterlace_filter_deps="gpl"
3267 tinterlace_merge_test_deps="tinterlace_filter"
3268 tinterlace_pad_test_deps="tinterlace_filter"
3269 tonemap_filter_deps="const_nan"
3270 uspp_filter_deps="gpl avcodec"
3271 unsharp_filter_suggest="opencl"
3272 vaguedenoiser_filter_deps="gpl"
3273 vidstabdetect_filter_deps="libvidstab"
3274 vidstabtransform_filter_deps="libvidstab"
3275 libvmaf_filter_deps="libvmaf"
3276 zmq_filter_deps="libzmq"
3277 zoompan_filter_deps="swscale"
3278 zscale_filter_deps="libzimg const_nan"
3279 scale_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
3282 avio_dir_cmd_deps="avformat avutil"
3283 avio_reading_deps="avformat avcodec avutil"
3284 decode_audio_example_deps="avcodec avutil"
3285 decode_video_example_deps="avcodec avutil"
3286 demuxing_decoding_example_deps="avcodec avformat avutil"
3287 encode_audio_example_deps="avcodec avutil"
3288 encode_video_example_deps="avcodec avutil"
3289 extract_mvs_example_deps="avcodec avformat avutil"
3290 filter_audio_example_deps="avfilter avutil"
3291 filtering_audio_example_deps="avfilter avcodec avformat avutil"
3292 filtering_video_example_deps="avfilter avcodec avformat avutil"
3293 http_multiclient_example_deps="avformat avutil fork"
3294 hw_decode_example_deps="avcodec avformat avutil"
3295 metadata_example_deps="avformat avutil"
3296 muxing_example_deps="avcodec avformat avutil swscale"
3297 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder"
3298 remuxing_example_deps="avcodec avformat avutil"
3299 resampling_audio_example_deps="avutil swresample"
3300 scaling_video_example_deps="avutil swscale"
3301 transcode_aac_example_deps="avcodec avformat swresample"
3302 transcoding_example_deps="avfilter avcodec avformat avutil"
3305 cpu_init_extralibs="pthreads_extralibs"
3306 cws2fws_extralibs="zlib_extralibs"
3308 # libraries, in linking order
3309 avcodec_deps="avutil"
3310 avcodec_suggest="libm"
3311 avcodec_select="null_bsf"
3312 avdevice_deps="avformat avcodec avutil"
3313 avdevice_suggest="libm"
3314 avfilter_deps="avutil"
3315 avfilter_suggest="libm"
3316 avformat_deps="avcodec avutil"
3317 avformat_suggest="libm network zlib"
3318 avresample_deps="avutil"
3319 avresample_suggest="libm"
3320 avutil_suggest="clock_gettime cuda libm libdrm libmfx opencl user32 vaapi videotoolbox corefoundation corevideo coremedia wincrypt"
3321 postproc_deps="avutil gpl"
3322 postproc_suggest="libm"
3323 swresample_deps="avutil"
3324 swresample_suggest="libm libsoxr"
3325 swscale_deps="avutil"
3326 swscale_suggest="libm"
3328 avcodec_extralibs="pthreads_extralibs iconv_extralibs"
3329 avfilter_extralibs="pthreads_extralibs"
3330 avutil_extralibs="d3d11va_extralibs nanosleep_extralibs pthreads_extralibs vaapi_drm_extralibs vaapi_x11_extralibs vdpau_x11_extralibs"
3333 ffmpeg_deps="avcodec avfilter avformat swresample"
3334 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
3337 ffmpeg_suggest="ole32 psapi shell32"
3338 ffplay_deps="avcodec avformat swscale swresample sdl2"
3339 ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"
3340 ffplay_suggest="shell32"
3341 ffprobe_deps="avcodec avformat"
3342 ffprobe_suggest="shell32"
3343 ffserver_deps="avformat fork sarestart"
3344 ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
3347 podpages_deps="perl"
3348 manpages_deps="perl pod2man"
3349 htmlpages_deps="perl"
3350 htmlpages_deps_any="makeinfo_html texi2html"
3351 txtpages_deps="perl makeinfo"
3352 doc_deps_any="manpages htmlpages podpages txtpages"
3354 # default parameters
3356 logfile="ffbuild/config.log"
3358 # installation paths
3359 prefix_default="/usr/local"
3360 bindir_default='${prefix}/bin'
3361 datadir_default='${prefix}/share/ffmpeg'
3362 docdir_default='${prefix}/share/doc/ffmpeg'
3363 incdir_default='${prefix}/include'
3364 libdir_default='${prefix}/lib'
3365 mandir_default='${prefix}/share/man'
3371 host_cc_default="gcc"
3372 doxygen_default="doxygen"
3374 ln_s_default="ln -s -f"
3376 pkg_config_default=pkg-config
3377 ranlib_default="ranlib"
3378 strip_default="strip"
3379 version_script='--version-script'
3380 x86asmexe_default="nasm"
3381 windres_default="windres"
3383 nvccflags_default="-gencode arch=compute_30,code=sm_30 -O2"
3387 target_os_default=$(tolower $(uname -s))
3388 host_os=$target_os_default
3391 if test "$target_os_default" = aix; then
3392 arch_default=$(uname -p)
3393 strip_default="strip -X32_64"
3395 arch_default=$(uname -m)
3400 # configurable options
3401 enable $PROGRAM_LIST
3402 enable $DOCUMENT_LIST
3403 enable $EXAMPLE_LIST
3404 enable $(filter_out avresample $LIBRARY_LIST)
3410 enable faan faandct faanidct
3411 enable optimizations
3412 enable runtime_cpudetect
3413 enable safe_bitstream_reader
3415 enable swscale_alpha
3416 enable valgrind_backtrace
3418 sws_max_filter_size_default=256
3419 set_default sws_max_filter_size
3421 # internal components are enabled by default
3422 enable $EXTRALIBS_LIST
3424 # Avoid external, non-system, libraries getting enabled by dependency resolution
3425 disable $EXTERNAL_LIBRARY_LIST $HWACCEL_LIBRARY_LIST
3428 SHFLAGS='-shared -Wl,-soname,$$(@F)'
3431 FULLNAME='$(NAME)$(BUILDSUF)'
3432 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
3435 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
3436 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
3437 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
3438 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
3439 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
3440 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
3441 VERSION_SCRIPT_POSTPROCESS_CMD="cat"
3468 host_extralibs='-lm'
3469 host_cflags_filter=echo
3470 host_ldflags_filter=echo
3472 target_path='$(CURDIR)'
3474 # since the object filename is not given with the -MM flag, the compiler
3475 # is only able to print the basename, and we must add the path ourselves
3476 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>/dev/null | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(@F),$(@D)/$(@F)," > $(@:.o=.d)'
3482 if test -f configure; then
3485 source_path=$(cd $(dirname "$0"); pwd)
3486 case "$source_path" in
3487 *[[:blank:]]*) die "Out of tree builds are impossible with whitespace in source path." ;;
3489 test -e "$source_path/config.h" &&
3490 die "Out of tree builds are impossible with config.h in source dir."
3497 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
3503 file=$source_path/$3
3504 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
3507 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
3508 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
3509 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
3510 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
3511 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
3512 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
3513 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
3514 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
3515 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
3517 find_things_extern(){
3520 file=$source_path/$3
3521 sed -n "s/^[^#]*extern.*$pattern *ff_\([^ ]*\)_$thing;/\1_$thing/p" "$file"
3524 BSF_LIST=$(find_things_extern bsf AVBitStreamFilter libavcodec/bitstream_filters.c)
3525 PROTOCOL_LIST=$(find_things_extern protocol URLProtocol libavformat/protocols.c)
3527 AVCODEC_COMPONENTS_LIST="
3535 AVDEVICE_COMPONENTS_LIST="
3540 AVFILTER_COMPONENTS_LIST="
3544 AVFORMAT_COMPONENTS_LIST="
3551 $AVCODEC_COMPONENTS_LIST
3552 $AVDEVICE_COMPONENTS_LIST
3553 $AVFILTER_COMPONENTS_LIST
3554 $AVFORMAT_COMPONENTS_LIST
3557 for n in $COMPONENT_LIST; do
3558 v=$(toupper ${n%s})_LIST
3560 eval ${n}_if_any="\$$v"
3563 enable $ARCH_EXT_LIST
3566 echo "Unknown option \"$1\"."
3567 echo "See $0 --help for available options."
3571 print_in_columns() {
3572 cols=$(expr $ncols / 24)
3573 cat | tr ' ' '\n' | sort | pr -r "-$cols" -w $ncols -t
3579 echo $* | sed s/$suffix//g | print_in_columns
3591 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
3592 echo "prob ${prob:-0.5}"
3600 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
3601 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
3610 --extra-ldexeflags=*)
3611 add_ldexeflags $optval
3613 --extra-ldsoflags=*)
3614 add_ldsoflags $optval
3616 --extra-ldlibflags=*)
3617 warn "The --extra-ldlibflags option is only provided for compatibility and will be\n"\
3618 "removed in the future. Use --extra-ldsoflags instead."
3619 add_ldsoflags $optval
3622 add_extralibs $optval
3625 disable $INDEV_LIST $OUTDEV_LIST
3628 debuglevel="$optval"
3631 disable $PROGRAM_LIST
3633 --disable-everything)
3634 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3637 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3638 disable $LIBRARY_LIST $PROGRAM_LIST doc
3641 --enable-random|--disable-random)
3642 action=${opt%%-random}
3643 do_random ${action#--} $COMPONENT_LIST
3645 --enable-random=*|--disable-random=*)
3646 action=${opt%%-random=*}
3647 do_random ${action#--} $optval
3652 --enable-*=*|--disable-*=*)
3653 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
3654 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
3655 eval list=\$$(toupper $thing)_LIST
3656 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
3657 list=$(filter "$name" $list)
3658 [ "$list" = "" ] && warn "Option $opt did not match anything"
3661 --enable-yasm|--disable-yasm)
3662 warn "The ${opt} option is only provided for compatibility and will be\n"\
3663 "removed in the future. Use --enable-x86asm / --disable-x86asm instead."
3664 test $opt = --enable-yasm && x86asm=yes || x86asm=no
3667 warn "The --yasmexe option is only provided for compatibility and will be\n"\
3668 "removed in the future. Use --x86asmexe instead."
3671 --enable-?*|--disable-?*)
3672 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
3673 if is_in $option $COMPONENT_LIST; then
3674 test $action = disable && action=unset
3675 eval $action \$$(toupper ${option%s})_LIST
3676 elif is_in $option $CMDLINE_SELECT; then
3683 NAME="${opt#--list-}"
3684 is_in $NAME $COMPONENT_LIST || die_unknown $opt
3686 eval show_list $NAME \$$(toupper $NAME)_LIST
3688 --help|-h) show_help
3690 --quiet|-q) quiet=yes
3692 --fatal-warnings) enable fatal_warnings
3695 libfuzzer_path="$optval"
3698 optname="${opt%%=*}"
3699 optname="${optname#--}"
3700 optname=$(echo "$optname" | sed 's/-/_/g')
3701 if is_in $optname $CMDLINE_SET; then
3702 eval $optname='$optval'
3703 elif is_in $optname $CMDLINE_APPEND; then
3704 append $optname "$optval"
3716 if disabled autodetect; then
3718 # Unless iconv is explicitely disabled by the user, we still want to probe
3719 # for the iconv from the libc.
3720 disabled iconv || enable libc_iconv
3722 disable_weak $EXTERNAL_AUTODETECT_LIBRARY_LIST
3723 disable_weak $HWACCEL_AUTODETECT_LIBRARY_LIST
3725 # Mark specifically enabled, but normally autodetected libraries as requested.
3726 for lib in $AUTODETECT_LIBS; do
3727 enabled $lib && request $lib
3729 #TODO: switch to $AUTODETECT_LIBS when $THREADS_LIST is supported the same way
3730 enable_weak $EXTERNAL_AUTODETECT_LIBRARY_LIST
3731 enable_weak $HWACCEL_AUTODETECT_LIBRARY_LIST
3733 disabled logging && logfile=/dev/null
3735 die_license_disabled() {
3736 enabled $1 || { enabled $v && die "$v is $1 and --enable-$1 is not specified."; }
3739 die_license_disabled_gpl() {
3740 enabled $1 || { enabled $v && die "$v is incompatible with the gpl and --enable-$1 is not specified."; }
3743 map "die_license_disabled gpl" $EXTERNAL_LIBRARY_GPL_LIST $EXTERNAL_LIBRARY_GPLV3_LIST
3744 map "die_license_disabled version3" $EXTERNAL_LIBRARY_VERSION3_LIST $EXTERNAL_LIBRARY_GPLV3_LIST
3746 enabled gpl && map "die_license_disabled_gpl nonfree" $EXTERNAL_LIBRARY_NONFREE_LIST
3747 map "die_license_disabled nonfree" $HWACCEL_LIBRARY_NONFREE_LIST
3749 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3751 enabled_all gnutls openssl &&
3752 die "GnuTLS and OpenSSL must not be enabled at the same time."
3754 # Disable all the library-specific components if the library itself
3755 # is disabled, see AVCODEC_LIST and following _LIST variables.
3757 disable_components(){
3758 disabled ${1} && disable $(
3759 eval components="\$$(toupper ${1})_COMPONENTS"
3760 map 'eval echo \${$(toupper ${v%s})_LIST}' $components
3764 map 'disable_components $v' $LIBRARY_LIST
3766 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
3769 test -n "$valgrind" && toolchain="valgrind-memcheck"
3771 enabled ossfuzz && {
3772 add_cflags -fsanitize=address,undefined -fsanitize-coverage=trace-pc-guard,trace-cmp -fno-omit-frame-pointer
3773 add_ldflags -fsanitize=address,undefined -fsanitize-coverage=trace-pc-guard,trace-cmp
3776 case "$toolchain" in
3778 cc_default="${toolchain%-asan}"
3779 add_cflags -fsanitize=address
3780 add_ldflags -fsanitize=address
3783 cc_default="${toolchain%-msan}"
3784 add_cflags -fsanitize=memory -fsanitize-memory-track-origins
3785 add_ldflags -fsanitize=memory
3788 cc_default="${toolchain%-tsan}"
3789 add_cflags -fsanitize=thread -fPIE
3790 add_ldflags -fsanitize=thread -pie
3791 case "$toolchain" in
3799 cc_default="${toolchain%-usan}"
3800 add_cflags -fsanitize=undefined
3801 add_ldflags -fsanitize=undefined
3804 target_exec_default="valgrind"
3805 case "$toolchain" in
3807 target_exec_args="--tool=massif --alloc-fn=av_malloc --alloc-fn=av_mallocz --alloc-fn=av_calloc --alloc-fn=av_fast_padded_malloc --alloc-fn=av_fast_malloc --alloc-fn=av_realloc_f --alloc-fn=av_fast_realloc --alloc-fn=av_realloc"
3810 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
3815 # Check whether the current MSVC version needs the C99 converter.
3816 # From MSVC 2013 (compiler major version 18) onwards, it does actually
3817 # support enough of C99 to build ffmpeg. Default to the new
3818 # behaviour if the regexp was unable to match anything, since this
3819 # successfully parses the version number of existing supported
3820 # versions that require the converter (MSVC 2010 and 2012).
3821 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
3822 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
3826 cc_default="c99wrap cl"
3827 cxx_default="c99wrap cl"
3829 ld_default="$source_path/compat/windows/mslink"
3830 nm_default="dumpbin -symbols"
3837 target_os_default="win32"
3838 # Use a relative path for TMPDIR. This makes sure all the
3839 # ffconf temp files are written with a relative path, avoiding
3840 # issues with msys/win32 path conversion for MSVC parameters
3841 # such as -Fo<file> or -out:<file>.
3847 nm_default="dumpbin -symbols"
3849 target_os_default="win32"
3853 add_cflags -fprofile-arcs -ftest-coverage
3854 add_ldflags -fprofile-arcs -ftest-coverage
3857 add_cflags -fprofile-arcs -ftest-coverage
3858 add_ldflags --coverage
3861 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
3862 add_cflags -fno-strict-overflow -fstack-protector-all
3863 add_ldflags -Wl,-z,relro -Wl,-z,now
3865 add_ldexeflags -fPIE -pie
3868 die "Unknown toolchain $toolchain"
3872 test -n "$cross_prefix" && enable cross_compile
3874 if enabled cross_compile; then
3875 test -n "$arch" && test -n "$target_os" ||
3876 die "Must specify target arch (--arch) and OS (--target-os) when cross-compiling"
3879 ar_default="${cross_prefix}${ar_default}"
3880 cc_default="${cross_prefix}${cc_default}"
3881 cxx_default="${cross_prefix}${cxx_default}"
3882 nm_default="${cross_prefix}${nm_default}"
3883 pkg_config_default="${cross_prefix}${pkg_config_default}"
3884 if ${cross_prefix}${ranlib_default} 2>&1 | grep -q "\-D "; then
3885 ranlib_default="${cross_prefix}${ranlib_default} -D"
3887 ranlib_default="${cross_prefix}${ranlib_default}"
3889 strip_default="${cross_prefix}${strip_default}"
3890 windres_default="${cross_prefix}${windres_default}"
3892 sysinclude_default="${sysroot}/usr/include"
3894 set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \
3895 target_exec target_os x86asmexe nvcc
3896 enabled cross_compile || host_cc_default=$cc
3899 pkg_config_fail_message=""
3900 if ! $pkg_config --version >/dev/null 2>&1; then
3901 warn "$pkg_config not found, library detection may fail."
3903 elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then
3904 pkg_config_fail_message="
3905 Note: When building a static binary, add --pkg-config-flags=\"--static\"."
3908 if test $doxygen != $doxygen_default && \
3909 ! $doxygen --version >/dev/null 2>&1; then
3910 warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."
3915 mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
3919 EXESUF=$(exesuf $target_os)
3920 HOSTEXESUF=$(exesuf $host_os)
3922 # set temporary file name
3923 : ${TMPDIR:=$TEMPDIR}
3927 if [ -n "$tempprefix" ] ; then
3929 tmpname="$tempprefix.${HOSTNAME}.${UID}"
3933 elif ! check_cmd mktemp -u XXXXXX; then
3934 # simple replacement for missing mktemp
3935 # NOT SAFE FOR GENERAL USE
3937 tmpname="${2%%XXX*}.${HOSTNAME}.${UID}.$$"
3943 FFTMPDIR=$(mktemp -d "${TMPDIR}/ffconf.XXXXXXXX" 2> /dev/null) ||
3944 die "Unable to create temporary directory in $TMPDIR."
3947 tmp="${FFTMPDIR}/test"$2
3948 (set -C; exec > $tmp) 2> /dev/null ||
3949 die "Unable to create temporary file in $FFTMPDIR."
3953 trap 'rm -rf -- "$FFTMPDIR"' EXIT
3959 tmpfile TMPE $EXESUF
3971 # make sure we can execute files in $TMPDIR
3972 cat > $TMPSH 2>> $logfile <<EOF
3975 chmod +x $TMPSH >> $logfile 2>&1
3976 if ! $TMPSH >> $logfile 2>&1; then
3978 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
3979 variable to another directory and make sure that it is not mounted noexec.
3981 die "Sanity test failed."
3987 # Filter out MSVC cl.exe options from cflags that shouldn't
3988 # be passed to gas-preprocessor
3998 -std=c99) echo -c99 ;;
3999 -mcpu=*) echo -arch ${flag#*=} ;;
4000 -mieee) echo -ieee ;;
4001 -O*|-fast) echo $flag ;;
4002 -fno-math-errno) echo -assume nomath_errno ;;
4004 -Wall) echo -msg_enable level2 ;;
4005 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
4006 -Wl,*) echo $flag ;;
4016 -Wno-switch) echo -Wno-switch-enum ;;
4017 -Wno-format-zero-length) ;;
4018 -Wdisabled-optimization) ;;
4019 -Wno-pointer-sign) echo -Wno-other ;;
4025 msvc_common_flags(){
4028 # In addition to specifying certain flags under the compiler
4029 # specific filters, they must be specified here as well or else the
4030 # generic catch all at the bottom will print the original flag.
4035 -fomit-frame-pointer) ;;
4039 -fno-signed-zeros) ;;
4043 -lz) echo zlib.lib ;;
4044 -lx264) echo libx264.lib ;;
4046 -l*) echo ${flag#-l}.lib ;;
4047 -LARGEADDRESSAWARE) echo $flag ;;
4048 -L*) echo -libpath:${flag#-L} ;;
4055 msvc_common_flags "$@"
4058 -Wall) echo -W3 -wd4018 -wd4146 -wd4244 -wd4305 \
4060 -Wextra) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
4061 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
4062 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
4064 -wd4273 -wd4554 -wd4701 -wd4703 ;;
4070 msvc_common_flags "$@"
4073 # Despite what Intel's documentation says -Wall, which is supported
4074 # on Windows, does enable remarks so disable them here.
4075 -Wall) echo $flag -Qdiag-disable:remark ;;
4076 -std=c99) echo -Qstd=c99 ;;
4094 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
4095 -fomit-frame-pointer) echo -Mnoframe ;;
4106 case "${flag#*=}" in
4107 native) echo -xtarget=native ;;
4108 v9|niagara) echo -xarch=sparc ;;
4109 ultrasparc) echo -xarch=sparcvis ;;
4110 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
4111 i586|pentium) echo -xchip=pentium ;;
4112 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
4113 pentium3*|c3-2) echo -xtarget=pentium3 ;;
4114 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
4115 pentium4*) echo -xtarget=pentium4 ;;
4116 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
4117 *-sse3) echo -xarch=sse3 ;;
4118 core2) echo -xarch=ssse3 -xchip=core2 ;;
4119 bonnell) echo -xarch=ssse3 ;;
4120 corei7|nehalem) echo -xtarget=nehalem ;;
4121 westmere) echo -xtarget=westmere ;;
4122 silvermont) echo -xarch=sse4_2 ;;
4123 corei7-avx|sandybridge) echo -xtarget=sandybridge ;;
4124 core-avx*|ivybridge|haswell|broadwell|skylake*|knl)
4126 amdfam10|barcelona) echo -xtarget=barcelona ;;
4127 btver1) echo -xarch=amdsse4a ;;
4128 btver2|bdver*|znver*) echo -xarch=avx ;;
4129 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
4130 k8|opteron|athlon64|athlon-fx)
4131 echo -xarch=sse2a ;;
4132 athlon*) echo -xarch=pentium_proa ;;
4135 -std=c99) echo -xc99 ;;
4136 -fomit-frame-pointer) echo -xregs=frameptr ;;
4137 -fPIC) echo -KPIC -xcode=pic32 ;;
4138 -W*,*) echo $flag ;;
4139 -f*-*|-W*|-mimpure-text) ;;
4150 case "${flag#*=}" in
4151 armv7-a|cortex-a*) echo -mv=7a8 ;;
4152 armv7-r|cortex-r*) echo -mv=7r4 ;;
4153 armv7-m|cortex-m*) echo -mv=7m3 ;;
4154 armv6*|arm11*) echo -mv=6 ;;
4155 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
4157 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
4160 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
4161 -mfpu=vfp) echo --float_support=vfpv2 ;;
4162 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
4163 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
4164 -msoft-float) echo --float_support=vfplib ;;
4165 -O[0-3]|-mf=*) echo $flag ;;
4167 -pds=*) echo $flag ;;
4168 -D*|-I*) echo $flag ;;
4169 --gcc|--abi=*) echo $flag ;;
4180 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
4181 unset _ld_o _ldflags _ld_lib _ld_path
4182 unset _depflags _DEPCMD _DEPFLAGS
4185 if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
4186 true # no-op to avoid reading stdin in following checks
4187 elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
4189 gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')
4190 _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"
4191 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4194 elif $_cc -v 2>&1 | grep -qi ^gcc; then
4196 gcc_version=$($_cc --version | head -n1)
4197 gcc_basever=$($_cc -dumpversion)
4198 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
4199 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
4200 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
4201 case $gcc_basever in
4204 *) _depflags='-MMD -MF $(@:.o=.d) -MT $@' ;;
4206 if [ "$first" = true ]; then
4207 case $gcc_basever in
4209 warn "gcc 4.2 is outdated and may miscompile FFmpeg. Please use a newer compiler." ;;
4214 elif $_cc --version 2>/dev/null | grep -q ^icc; then
4216 _ident=$($_cc --version | head -n1)
4221 _flags_filter=icc_flags
4222 elif $_cc -v 2>&1 | grep -q xlc; then
4224 _ident=$($_cc -qversion 2>/dev/null | head -n1)
4226 _cflags_size='-O5 -qcompact'
4227 elif $_cc -V 2>/dev/null | grep -q Compaq; then
4229 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
4231 _cflags_speed='-fast'
4233 _flags_filter=ccc_flags
4234 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
4235 test -d "$sysroot" || die "No valid sysroot specified."
4237 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
4238 armcc_conf="$PWD/armcc.conf"
4239 $_cc --arm_linux_configure \
4240 --arm_linux_config_file="$armcc_conf" \
4241 --configure_sysroot="$sysroot" \
4242 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
4243 die "Error creating armcc configuration file."
4244 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
4245 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
4246 as_default="${cross_prefix}gcc"
4250 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
4252 _ident=$($_cc -version | head -n1 | tr -s ' ')
4253 _flags='--gcc --abi=eabi -me'
4256 _depflags='-ppa -ppd=$(@:.o=.d)'
4257 _cflags_speed='-O3 -mf=5'
4258 _cflags_size='-O3 -mf=2'
4259 _flags_filter=tms470_flags
4260 elif $_cc -v 2>&1 | grep -q clang; then
4262 _ident=$($_cc --version 2>/dev/null | head -n1)
4263 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4266 elif $_cc -V 2>&1 | grep -q Sun; then
4268 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
4269 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
4270 _DEPFLAGS='-xM1 -xc99'
4273 _cflags_size='-O5 -xspace'
4274 _flags_filter=suncc_flags
4275 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
4277 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
4278 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4281 _flags_filter='filter_out -Wdisabled-optimization'
4282 elif $_cc -v 2>&1 | grep -q Open64; then
4284 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
4285 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4288 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
4289 elif $_cc -V 2>&1 | grep -q Portland; then
4291 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
4292 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
4293 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
4294 _cflags_size="-O2 -Munroll=c:1 $opt_common"
4296 _flags_filter=pgi_flags
4297 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
4299 _ident=$($_cc | head -n1)
4300 # 4509: "This form of conditional instruction is deprecated"
4301 _flags="-nologo -ignore 4509"
4302 _flags_filter=armasm_flags
4303 elif $_cc 2>&1 | grep -q Intel; then
4305 _ident=$($_cc 2>&1 | head -n1)
4306 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
4307 # Not only is O3 broken on 13.x+ but it is slower on all previous
4308 # versions (tested) as well.
4310 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
4311 if $_cc 2>&1 | grep -q Linker; then
4318 _flags_filter=icl_flags
4320 _ld_path='-libpath:'
4321 # -Qdiag-error to make icl error when seeing certain unknown arguments
4322 _flags='-nologo -Qdiag-error:4044,10157'
4323 # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency
4324 # with MSVC which enables it by default.
4325 _cflags='-Qms0 -Qvec- -Qsimd- -GS -fp:precise'
4327 elif $_cc -? 2>/dev/null | grep -q 'LLVM.*Linker'; then
4328 # lld can emulate multiple different linkers; in ms link.exe mode,
4329 # the -? parameter gives the help output which contains an identifyable
4330 # string, while it gives an error in other modes.
4332 # The link.exe mode doesn't have a switch for getting the version,
4333 # but we can force it back to gnu mode and get the version from there.
4334 _ident=$($_cc -flavor gnu --version 2>/dev/null)
4336 _flags_filter=msvc_flags
4338 _ld_path='-libpath:'
4339 elif $_cc -nologo- 2>&1 | grep -q Microsoft; then
4341 _ident=$($_cc 2>&1 | head -n1)
4342 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
4343 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
4347 if $_cc -nologo- 2>&1 | grep -q Linker; then
4354 _flags_filter=msvc_flags
4356 _ld_path='-libpath:'
4359 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
4361 _ident=$($_cc --version | head -n1)
4365 _flags_filter=cparser_flags
4368 eval ${pfx}_type=\$_type
4369 eval ${pfx}_ident=\$_ident
4373 eval ${1}_C=\${_cc_c-\${${1}_C}}
4374 eval ${1}_E=\${_cc_e-\${${1}_E}}
4375 eval ${1}_O=\${_cc_o-\${${1}_O}}
4377 if [ -n "$_depflags" ]; then
4378 eval ${1}_DEPFLAGS=\$_depflags
4380 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
4381 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
4382 eval DEP${1}FLAGS=\$_flags
4386 probe_cc cc "$cc" "true"
4387 cflags_filter=$_flags_filter
4388 cflags_speed=$_cflags_speed
4389 cflags_size=$_cflags_size
4390 cflags_noopt=$_cflags_noopt
4391 add_cflags $_flags $_cflags
4392 cc_ldflags=$_ldflags
4396 probe_cc hostcc "$host_cc"
4397 host_cflags_filter=$_flags_filter
4398 host_cflags_speed=$_cflags_speed
4399 add_host_cflags $_flags $_cflags
4402 test -n "$cc_type" && enable $cc_type ||
4403 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
4405 : ${as_default:=$cc}
4406 : ${objcc_default:=$cc}
4407 : ${dep_cc_default:=$cc}
4408 : ${ld_default:=$cc}
4409 : ${host_ld_default:=$host_cc}
4410 set_default ar as objcc dep_cc ld ln_s host_ld windres
4413 asflags_filter=$_flags_filter
4414 add_asflags $_flags $_cflags
4417 probe_cc objcc "$objcc"
4418 objcflags_filter=$_flags_filter
4419 add_objcflags $_flags $_cflags
4423 ldflags_filter=$_flags_filter
4424 add_ldflags $_flags $_ldflags
4425 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
4427 LD_LIB=${_ld_lib-$LD_LIB}
4428 LD_PATH=${_ld_path-$LD_PATH}
4430 probe_cc hostld "$host_ld"
4431 host_ldflags_filter=$_flags_filter
4432 add_host_ldflags $_flags $_ldflags
4433 HOSTLD_O=${_ld_o-$HOSTLD_O}
4435 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
4436 probe_cc depcc "$dep_cc"
4437 CCDEP=${_DEPCMD:-$DEPCMD}
4438 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
4442 if $ar 2>&1 | grep -q Microsoft; then
4445 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
4448 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
4449 arflags='-Xany -r -c'
4451 elif $ar 2>&1 | grep -q "\[D\] "; then
4459 add_cflags $extra_cflags
4460 add_cxxflags $extra_cxxflags
4461 add_objcflags $extra_objcflags
4462 add_asflags $extra_cflags
4464 if test -n "$sysroot"; then
4467 add_cppflags --sysroot="$sysroot"
4468 add_ldflags --sysroot="$sysroot"
4471 add_cppflags -I"$sysinclude"
4472 add_ldflags --sysroot="$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 check_cpp_condition stddef.h \
4577 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
4582 if check_arm_arch 4; then echo armv4
4583 elif check_arm_arch 4T; then echo armv4t
4584 elif check_arm_arch 5; then echo armv5
4585 elif check_arm_arch 5E; then echo armv5e
4586 elif check_arm_arch 5T; then echo armv5t
4587 elif check_arm_arch 5TE; then echo armv5te
4588 elif check_arm_arch 5TEJ; then echo armv5te
4589 elif check_arm_arch 6; then echo armv6
4590 elif check_arm_arch 6J; then echo armv6j
4591 elif check_arm_arch 6K; then echo armv6k
4592 elif check_arm_arch 6Z; then echo armv6z
4593 elif check_arm_arch 6ZK; then echo armv6zk
4594 elif check_arm_arch 6T2; then echo armv6t2
4595 elif check_arm_arch 7; then echo armv7
4596 elif check_arm_arch 7A 7_A; then echo armv7-a
4597 elif check_arm_arch 7S; then echo armv7-a
4598 elif check_arm_arch 7R 7_R; then echo armv7-r
4599 elif check_arm_arch 7M 7_M; then echo armv7-m
4600 elif check_arm_arch 7EM 7E_M; then echo armv7-m
4601 elif check_arm_arch 8A 8_A; then echo armv8-a
4605 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
4609 cpuflags="-march=$cpu"
4610 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
4613 cpuflags="-mcpu=$cpu"
4615 cortex-a*) subarch=armv7a ;;
4616 cortex-r*) subarch=armv7r ;;
4617 cortex-m*) enable thumb; subarch=armv7m ;;
4618 arm11*) subarch=armv6 ;;
4619 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
4620 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
4621 *) subarch=$(probe_arm_arch) ;;
4627 armv5t*) enable fast_clz ;;
4630 disabled fast_unaligned || enable fast_unaligned
4634 elif enabled avr32; then
4639 cpuflags="-mpart=$cpu"
4643 cpuflags="-march=$cpu"
4647 cpuflags="-mcpu=$cpu"
4651 cpuflags="-march=$cpu"
4655 elif enabled bfin; then
4657 cpuflags="-mcpu=$cpu"
4659 elif enabled mips; then
4661 cpuflags="-march=$cpu"
4663 if [ "$cpu" != "generic" ]; then
4673 24kc|24kf*|24kec|34kc|1004kc|24kef*|34kf*|1004kf*|74kc|74kf)
4684 enable local_aligned
4685 enable simd_align_16
4689 enable fast_unaligned
4690 disable aligned_stack
4696 cpuflags="-march=loongson3a -mhard-float -fno-expensive-optimizations"
4699 cpuflags="-march=loongson2e -mhard-float -fno-expensive-optimizations"
4702 cpuflags="-march=loongson2f -mhard-float -fno-expensive-optimizations"
4707 # Unknown CPU. Disable everything.
4708 warn "unknown CPU. Disabling all MIPS optimizations."
4731 24kef*|34kf*|1004kf*)
4739 check_cflags "-mtune=p5600" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops"
4743 check_cflags "-mtune=i6400 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64"
4747 check_cflags "-mtune=p6600 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64"
4751 # We do not disable anything. Is up to the user to disable the unwanted features.
4752 warn 'generic cpu selected'
4755 elif enabled ppc; then
4759 case $(tolower $cpu) in
4760 601|ppc601|powerpc601)
4761 cpuflags="-mcpu=601"
4764 603*|ppc603*|powerpc603*)
4765 cpuflags="-mcpu=603"
4768 604*|ppc604*|powerpc604*)
4769 cpuflags="-mcpu=604"
4772 g3|75*|ppc75*|powerpc75*)
4773 cpuflags="-mcpu=750"
4776 g4|745*|ppc745*|powerpc745*)
4777 cpuflags="-mcpu=7450"
4780 74*|ppc74*|powerpc74*)
4781 cpuflags="-mcpu=7400"
4784 g5|970|ppc970|powerpc970)
4785 cpuflags="-mcpu=970"
4789 cpuflags="-mcpu=$cpu"
4793 cpuflags="-mcpu=$cpu"
4796 cpuflags="-mcpu=cell"
4801 cpuflags="-mcpu=e500mc"
4805 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
4810 cpuflags="-mcpu=8540 -mhard-float"
4816 elif enabled sparc; then
4819 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
4820 cpuflags="-mcpu=$cpu"
4822 ultrasparc*|niagara[234])
4823 cpuflags="-mcpu=$cpu"
4827 elif enabled x86; then
4831 cpuflags="-march=$cpu"
4835 # targets that do NOT support nopl and conditional mov (cmov)
4836 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
4837 cpuflags="-march=$cpu"
4840 # targets that do support nopl and conditional mov (cmov)
4841 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\
4842 |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|skylake*|knl\
4843 |amdfam10|barcelona|b[dt]ver*|znver*)
4844 cpuflags="-march=$cpu"
4848 # targets that do support conditional mov but on which it's slow
4849 pentium4|pentium4m|prescott|nocona)
4850 cpuflags="-march=$cpu"
4858 if [ "$cpu" != generic ]; then
4859 add_cflags $cpuflags
4860 add_asflags $cpuflags
4861 test "$cc_type" = "$ld_type" && add_ldflags $cpuflags
4864 # compiler sanity check
4866 int main(void){ return 0; }
4868 if test "$?" != 0; then
4869 echo "$cc is unable to create an executable file."
4870 if test -z "$cross_prefix" && ! enabled cross_compile ; then
4871 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
4872 echo "Only do this if you know what cross compiling means."
4874 die "C compiler test failed."
4877 add_cppflags -D_ISOC99_SOURCE
4878 add_cxxflags -D__STDC_CONSTANT_MACROS
4879 check_cxxflags -std=c++11 || check_cxxflags -std=c++0x
4881 # some compilers silently accept -std=c11, so we also need to check that the
4882 # version macro is defined properly
4883 test_cflags_cc -std=c11 ctype.h "__STDC_VERSION__ >= 201112L" &&
4884 add_cflags -std=c11 ||
4885 check_cflags -std=c99
4887 check_cppflags -D_FILE_OFFSET_BITS=64
4888 check_cppflags -D_LARGEFILE_SOURCE
4890 add_host_cppflags -D_ISOC99_SOURCE
4891 check_host_cflags -std=c99
4892 check_host_cflags -Wall
4893 check_host_cflags $host_cflags_speed
4899 check_code cc "" "int test[2*($expr) - 1]" &&
4900 subarch=$arch64 || subarch=$arch32
4908 check_64bit mips mips64 '_MIPS_SIM > 1'
4912 check_64bit parisc parisc64 'sizeof(void *) > 4'
4916 check_64bit ppc ppc64 'sizeof(void *) > 4'
4920 check_64bit s390 s390x 'sizeof(void *) > 4'
4924 check_64bit sparc sparc64 'sizeof(void *) > 4'
4928 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
4929 # Treat x32 as x64 for now. Note it also needs spic=$shared
4930 test "$subarch" = "x86_32" && check_cpp_condition stddef.h 'defined(__x86_64__)' &&
4932 if test "$subarch" = "x86_64"; then
4937 check_cc <<EOF && subarch="ppc64"
4938 int test[(int)sizeof(char*) - 7];
4944 enabled spic && enable_weak pic
4946 enabled x86_64 && objformat=elf64 || objformat="elf32"
4952 add_cppflags '-I\$(SRC_PATH)/compat/aix'
4953 enabled shared && add_ldflags -Wl,-brtl
4957 enable section_data_rel_ro
4958 SLIB_INSTALL_NAME='$(SLIBNAME)'
4960 SHFLAGS='-shared -Wl,-soname,$(SLIBNAME)'
4963 prefix_default="/boot/common"
4964 network_extralibs="-lnetwork"
4968 SHFLAGS='-shared -Wl,-h,$$(@F)'
4969 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
4970 network_extralibs="-lsocket -lnsl"
4971 add_cppflags -D__EXTENSIONS__
4972 # When using suncc to build, the Solaris linker will mark
4973 # an executable with each instruction set encountered by
4974 # the Solaris assembler. As our libraries contain their own
4975 # guards for processor-specific code, instead suppress
4976 # generation of the HWCAPS ELF section on Solaris x86 only.
4977 enabled_all suncc x86 &&
4978 echo "hwcap_1 = OVERRIDE;" > mapfile &&
4979 add_ldflags -Wl,-M,mapfile
4980 nm_default='nm -P -g'
4982 VERSION_SCRIPT_POSTPROCESS_CMD='perl $(SRC_PATH)/compat/solaris/make_sunver.pl - $(OBJS)'
4986 oss_indev_extralibs="-lossaudio"
4987 oss_outdev_extralibs="-lossaudio"
4988 enabled gcc || check_ldflags -Wl,-zmuldefs
4993 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
4995 oss_indev_extralibs="-lossaudio"
4996 oss_outdev_extralibs="-lossaudio"
5004 add_extralibs -lpoll -lgnugetopt
5008 enabled ppc && add_asflags -force_cpusubtype_ALL
5009 install_name_dir_default='$(SHLIBDIR)'
5010 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(INSTALL_NAME_DIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
5011 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
5013 add_ldflags -Wl,-dynamic,-search_paths_first
5014 check_cflags -Werror=partial-availability
5016 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
5017 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
5018 enabled x86_64 && objformat="macho64" || objformat="macho32"
5019 enabled_any pic shared x86_64 ||
5020 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
5021 check_header dispatch/dispatch.h &&
5022 add_cppflags '-I\$(SRC_PATH)/compat/dispatch_semaphore'
5023 if test -n "$sysroot"; then
5024 is_in -isysroot $cc $CPPFLAGS $CFLAGS || check_cppflags -isysroot $sysroot
5025 is_in -isysroot $ld $LDFLAGS || check_ldflags -isysroot $sysroot
5027 version_script='-exported_symbols_list'
5028 VERSION_SCRIPT_POSTPROCESS_CMD='tr " " "\n" | sed -n /global:/,/local:/p | grep ";" | tr ";" "\n" | sed -E "s/(.+)/_\1/g" | sed -E "s/(.+[^*])$$$$/\1*/"'
5031 die "Native MSYS builds are discouraged, please use the MINGW environment."
5034 if test $target_os = "mingw32ce"; then
5040 if enabled x86_64; then
5041 LIBTARGET="i386:x86-64"
5042 elif enabled arm; then
5045 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
5046 enabled x86_32 && check_ldflags -Wl,--large-address-aware
5047 shlibdir_default="$bindir_default"
5050 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
5051 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
5052 dlltool="${cross_prefix}dlltool"
5053 if check_cmd lib.exe -list; then
5054 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe -nologo -machine:$(LIBTARGET) -def:$$(@:$(SLIBSUF)=.def) -out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
5055 if enabled x86_64; then
5058 elif check_cmd $dlltool --version; then
5059 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
5061 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
5063 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
5064 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
5065 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--disable-auto-image-base'
5066 enabled x86_64 && objformat="win64" || objformat="win32"
5069 check_ldflags -Wl,--nxcompat,--dynamicbase
5070 # Lets work around some stupidity in binutils.
5071 # ld will strip relocations from executables even though we need them
5072 # for dynamicbase (ASLR). Using -pie does retain the reloc section
5073 # however ld then forgets what the entry point should be (oops) so we
5074 # have to manually (re)set it.
5075 if enabled x86_32; then
5076 disabled debug && add_ldexeflags -Wl,--pic-executable,-e,_mainCRTStartup
5077 elif enabled x86_64; then
5078 disabled debug && add_ldexeflags -Wl,--pic-executable,-e,mainCRTStartup
5079 check_ldflags -Wl,--high-entropy-va # binutils 2.25
5080 # Set image base >4GB for extra entropy with HEASLR
5081 add_ldexeflags -Wl,--image-base,0x140000000
5082 append SHFLAGS -Wl,--image-base,0x180000000
5087 if enabled shared; then
5088 # Link to the import library instead of the normal static library
5091 # Cannot build both shared and static libs with MSVC or icl.
5094 enabled x86_32 && check_ldflags -LARGEADDRESSAWARE
5095 shlibdir_default="$bindir_default"
5098 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
5099 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
5100 SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
5101 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
5103 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
5104 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
5105 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
5106 enabled x86_64 && objformat="win64" || objformat="win32"
5112 shlibdir_default="$bindir_default"
5115 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
5116 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
5117 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
5119 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
5120 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
5121 enabled x86_64 && objformat="win64" || objformat="win32"
5123 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
5124 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
5126 *-dos|freedos|opendos)
5127 network_extralibs="-lsocket"
5130 add_cppflags -U__STRICT_ANSI__
5133 enable section_data_rel_ro
5134 enabled_any arm aarch64 && enable_weak linux_perf
5138 ranlib="echo ignoring ranlib"
5144 add_cppflags -D_GNU_SOURCE
5145 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zhigh-mem -Zmap
5146 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
5150 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
5151 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(FULLNAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
5152 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(FULLNAME).def; \
5153 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(FULLNAME).def; \
5154 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(FULLNAME).def; \
5155 echo EXPORTS >> $(SUBDIR)$(FULLNAME).def; \
5156 emxexp $(OBJS) >> $(SUBDIR)$(FULLNAME).def'
5157 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(FULLNAME)_dll.a $(SUBDIR)$(FULLNAME).def; \
5158 emximp -o $(SUBDIR)$(LIBPREF)$(FULLNAME)_dll.lib $(SUBDIR)$(FULLNAME).def;'
5159 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
5161 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(FULLNAME)_dll.a $(LIBPREF)$(FULLNAME)_dll.lib'
5163 enable_weak os2threads
5166 add_cppflags -D_BSD_SOURCE
5171 add_cppflags -D_QNX_SOURCE
5172 network_extralibs="-lsocket"
5177 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
5178 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
5179 add_ldflags -Wl,--target1-abs,--no-undefined \
5180 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
5181 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
5182 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
5183 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
5184 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
5187 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
5194 die "Unknown OS '$target_os'."
5198 # test if creating links works
5199 link_dest=$(mktemp -u $TMPDIR/dest_XXXXXXXX)
5200 link_name=$(mktemp -u $TMPDIR/name_XXXXXXXX)
5202 $ln_s "$link_dest" "$link_name"
5203 touch "$link_dest/test_file"
5204 if [ "$source_path" != "." ] && ([ ! -d src ] || [ -L src ]) && [ -e "$link_name/test_file" ]; then
5205 # create link to source path
5206 [ -e src ] && rm src
5207 $ln_s "$source_path" src
5210 # creating directory links doesn't work
5211 # fall back to using the full source path
5212 source_link="$source_path"
5218 # determine libc flavour
5223 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
5224 if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
5225 eval ${pfx}libc_type=uclibc
5226 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
5227 elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then
5228 eval ${pfx}libc_type=glibc
5229 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
5230 # MinGW headers can be installed on Cygwin, so check for newlib first.
5231 elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
5232 eval ${pfx}libc_type=newlib
5233 add_${pfx}cppflags -U__STRICT_ANSI__ -D_XOPEN_SOURCE=600
5234 # MinGW64 is backwards compatible with MinGW32, so check for it first.
5235 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
5236 eval ${pfx}libc_type=mingw64
5237 if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then
5238 add_compat msvcrt/snprintf.o
5239 add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
5241 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
5242 eval test \$${pfx_no_}cc_type = "gcc" &&
5243 add_${pfx}cppflags -D__printf__=__gnu_printf__
5244 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" ||
5245 check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
5246 eval ${pfx}libc_type=mingw32
5247 check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
5248 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
5249 die "ERROR: MinGW32 runtime version must be >= 3.15."
5250 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
5251 check_${pfx}cpp_condition _mingw.h "__MSVCRT_VERSION__ < 0x0700" &&
5252 add_${pfx}cppflags -D__MSVCRT_VERSION__=0x0700
5253 check_${pfx}cpp_condition windows.h "defined(_WIN32_WINNT) && _WIN32_WINNT < 0x0502" &&
5254 add_${pfx}cppflags -D_WIN32_WINNT=0x0502
5255 eval test \$${pfx_no_}cc_type = "gcc" &&
5256 add_${pfx}cppflags -D__printf__=__gnu_printf__
5257 elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
5258 eval ${pfx}libc_type=msvcrt
5259 if check_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then
5260 if [ "$pfx" = host_ ]; then
5261 add_host_cppflags -Dsnprintf=_snprintf
5263 add_compat strtod.o strtod=avpriv_strtod
5264 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
5265 _snprintf=avpriv_snprintf \
5266 vsnprintf=avpriv_vsnprintf
5269 add_${pfx}cppflags -D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS
5270 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
5271 # 0x601 by default unless something else is set by the user.
5272 # This can easily lead to us detecting functions only present
5273 # in such new versions and producing binaries requiring windows 7.0.
5274 # Therefore explicitly set the default to XP unless the user has
5275 # set something else on the command line.
5276 # Don't do this if WINAPI_FAMILY is set and is set to a non-desktop
5277 # family. For these cases, configure is free to use any functions
5278 # found in the SDK headers by default. (Alternatively, we could force
5279 # _WIN32_WINNT to 0x0602 in that case.)
5280 check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||
5281 { check_${pfx}cpp <<EOF && add_${pfx}cppflags -D_WIN32_WINNT=0x0502; }
5282 #ifdef WINAPI_FAMILY
5283 #include <winapifamily.h>
5284 #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
5289 if [ "$pfx" = "" ]; then
5290 check_func strtoll || add_cflags -Dstrtoll=_strtoi64
5291 check_func strtoull || add_cflags -Dstrtoull=_strtoui64
5293 elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
5294 eval ${pfx}libc_type=klibc
5295 elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then
5296 eval ${pfx}libc_type=bionic
5297 elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then
5298 eval ${pfx}libc_type=solaris
5299 add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
5301 check_${pfx}cc <<EOF
5303 void *v = localtime_r;
5305 test "$?" != 0 && check_${pfx}cc -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 <<EOF && add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
5307 void *v = localtime_r;
5313 test -n "$libc_type" && enable libc_$libc_type
5315 test -n "$host_libc_type" && enable host_libc_$host_libc_type
5317 # hacks for compiler/libc/os combinations
5321 add_compat strtod.o strtod=avpriv_strtod
5324 if enabled tms470; then
5325 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
5326 add_cppflags -D__USER_LABEL_PREFIX__=
5327 add_cppflags -D__builtin_memset=memset
5328 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
5329 add_cflags -pds=48 # incompatible redefinition of macro
5330 elif enabled ccc; then
5331 add_ldflags -Wl,-z,now # calls to libots crash without this
5336 check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||
5337 add_cppflags '-I\$(SRC_PATH)/compat/float'
5340 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
5343 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" > ffbuild/config.fate
5345 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
5348 : ${shlibdir_default:="$libdir"}
5349 : ${pkgconfigdir_default:="$libdir/pkgconfig"}
5351 set_default $PATHS_LIST
5354 # we need to build at least one lib type
5355 if ! enabled_any static shared; then
5357 At least one library type must be built.
5358 Specify --enable-static to build the static libraries or --enable-shared to
5359 build the shared libraries as well. To only build the shared libraries specify
5360 --disable-static in addition to --enable-shared.
5365 disabled optimizations || enabled ossfuzz || check_cflags -fomit-frame-pointer
5368 disabled pic && return
5371 case "$target_os" in
5381 enabled pic && enable_weak_pic
5383 check_cc <<EOF || die "Symbol mangling check failed."
5386 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
5387 extern_prefix=${sym%%ff_extern*}
5389 ! disabled inline_asm && check_inline_asm inline_asm '"" ::'
5392 for restrict_keyword in restrict __restrict__ __restrict; do
5393 check_cc <<EOF && _restrict=$restrict_keyword && break
5394 void foo(char * $restrict_keyword p);
5398 check_cc <<EOF && enable pragma_deprecated
5399 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
5402 check_cc <<EOF && enable attribute_packed
5403 struct { int x; } __attribute__((packed)) x;
5406 check_cc <<EOF && enable attribute_may_alias
5407 union { int x; } __attribute__((may_alias)) x;
5410 check_cc <<EOF || die "endian test failed"
5411 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
5413 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
5415 check_cc <<EOF && enable const_nan
5417 void foo(void) { struct { double d; } static const bar[] = { { NAN } }; }
5420 if ! enabled ppc64 || enabled bigendian; then
5425 log "check_gas using '$as' as AS"
5426 # :vararg is used on aarch64, arm and ppc altivec
5427 check_as <<EOF || return 1
5428 .macro m n, y:vararg=0
5433 # .altmacro is only used in arm asm
5434 ! enabled arm || check_as <<EOF || return 1
5441 if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then
5443 enabled_any arm aarch64 && nogas=die
5444 enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn
5448 arm*) gaspp_as_type=armasm; as_noop=-h ;;
5449 gcc) gaspp_as_type=gas ;;
5450 *) gaspp_as_type=$as_type ;;
5453 [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"
5455 test "${as#*gas-preprocessor.pl}" != "$as" ||
5456 check_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- ${as:=$cc} $as_noop &&
5457 gas="${gas:=gas-preprocessor.pl} -arch $arch -as-type $gaspp_as_type -- ${as:=$cc}"
5459 if ! check_gas ; then
5462 $nogas "GNU assembler not found, install/update gas-preprocessor"
5465 check_as <<EOF && enable as_func
5471 check_inline_asm inline_asm_labels '"1:\n"'
5473 check_inline_asm inline_asm_nonlocal_labels '"Label:\n"'
5475 if enabled aarch64; then
5476 enabled armv8 && check_insn armv8 'prfm pldl1strm, [x0]'
5477 # internal assembler in clang 3.3 does not support this instruction
5478 enabled neon && check_insn neon 'ext v0.8B, v0.8B, v1.8B, #1'
5479 enabled vfp && check_insn vfp 'fmadd d0, d0, d1, d2'
5481 map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM
5483 elif enabled alpha; then
5487 elif enabled arm; then
5489 enabled msvc && check_cpp_condition stddef.h "defined _M_ARMT" && enable thumb
5491 check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb
5492 float func(float a, float b){ return a+b; }
5495 enabled thumb && check_cflags -mthumb || check_cflags -marm
5497 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
5499 elif check_cpp_condition stddef.h "defined _M_ARM_FP && _M_ARM_FP >= 30"; then
5501 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__" && [ $target_os != darwin ]; then
5502 case "${cross_prefix:-$cc}" in
5503 *hardfloat*) enable vfp_args; fpabi=vfp ;;
5504 *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
5505 __asm__ (".eabi_attribute 28, 1");
5506 int main(void) { return 0; }
5509 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
5512 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
5513 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
5514 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
5515 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
5516 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
5517 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
5518 enabled setend && check_insn setend 'setend be'
5520 [ $target_os = linux ] || [ $target_os = android ] ||
5521 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
5524 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
5526 check_as <<EOF && enable as_arch_directive
5529 check_as <<EOF && enable as_fpu_directive
5533 # llvm's integrated assembler supports .object_arch from llvm 3.5
5534 [ "$objformat" = elf32 ] || [ "$objformat" = elf64 ] &&
5535 check_as <<EOF && enable as_object_arch
5539 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
5541 elif enabled mips; then
5543 enabled loongson2 && check_inline_asm loongson2 '"dmult.g $8, $9, $10"'
5544 enabled loongson3 && check_inline_asm loongson3 '"gsldxc1 $f0, 0($2, $3)"'
5545 enabled mmi && check_inline_asm mmi '"punpcklhw $f0, $f0, $f0"'
5547 # Enable minimum ISA based on selected options
5548 if enabled mips64; then
5549 enabled mips64r6 && check_inline_asm_flags mips64r6 '"dlsa $0, $0, $0, 1"' '-mips64r6'
5550 enabled mips64r2 && check_inline_asm_flags mips64r2 '"dext $0, $0, 0, 1"' '-mips64r2'
5551 disabled mips64r6 && disabled mips64r2 && check_inline_asm_flags mips64r1 '"daddi $0, $0, 0"' '-mips64'
5553 enabled mips32r6 && check_inline_asm_flags mips32r6 '"aui $0, $0, 0"' '-mips32r6'
5554 enabled mips32r5 && check_inline_asm_flags mips32r5 '"eretnc"' '-mips32r5'
5555 enabled mips32r2 && check_inline_asm_flags mips32r2 '"ext $0, $0, 0, 1"' '-mips32r2'
5556 disabled mips32r6 && disabled mips32r5 && disabled mips32r2 && check_inline_asm_flags mips32r1 '"addi $0, $0, 0"' '-mips32'
5559 enabled mipsfpu && check_inline_asm_flags mipsfpu '"cvt.d.l $f0, $f2"' '-mhard-float'
5560 enabled mipsfpu && (enabled mips32r5 || enabled mips32r6 || enabled mips64r6) && check_inline_asm_flags mipsfpu '"cvt.d.l $f0, $f1"' '-mfp64'
5561 enabled mipsfpu && enabled msa && check_inline_asm_flags msa '"addvi.b $w0, $w1, 1"' '-mmsa' && check_header msa.h || disable msa
5562 enabled mipsdsp && check_inline_asm_flags mipsdsp '"addu.qb $t0, $t1, $t2"' '-mdsp'
5563 enabled mipsdspr2 && check_inline_asm_flags mipsdspr2 '"absq_s.qb $t0, $t1"' '-mdspr2'
5565 if enabled bigendian && enabled msa; then
5569 elif enabled parisc; then
5571 if enabled gcc; then
5572 case $($cc -dumpversion) in
5573 4.[3-9].*) check_cflags -fno-optimize-sibling-calls ;;
5577 elif enabled ppc; then
5579 enable local_aligned
5581 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
5582 check_inline_asm ibm_asm '"add 0, 0, 0"'
5583 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
5584 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
5586 if enabled altivec; then
5587 check_cflags -maltivec -mabi=altivec
5589 # check if our compiler supports Motorola AltiVec C API
5590 check_code cc altivec.h "vector signed int v1 = (vector signed int) { 0 };
5591 vector signed int v2 = (vector signed int) { 1 };
5592 v1 = vec_add(v1, v2);" ||
5595 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
5598 if enabled vsx; then
5599 check_cflags -mvsx &&
5600 check_code cc altivec.h "int v[4] = { 0 };
5601 vector signed int v1 = vec_vsx_ld(0, v);" ||
5605 if enabled power8; then
5606 check_cpp_condition "altivec.h" "defined(_ARCH_PWR8)" || disable power8
5609 elif enabled x86; then
5611 check_builtin rdtsc intrin.h "__rdtsc()"
5612 check_builtin mm_empty mmintrin.h "_mm_empty()"
5614 enable local_aligned
5616 # check whether EBP is available on x86
5617 # As 'i' is stored on the stack, this program will crash
5618 # if the base pointer is used to access it because the
5619 # base pointer is cleared in the inline assembly code.
5620 check_exec_crash <<EOF && enable ebp_available
5622 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
5626 # check whether EBX is available on x86
5627 check_inline_asm ebx_available '""::"b"(0)' &&
5628 check_inline_asm ebx_available '"":::"%ebx"'
5630 # check whether xmm clobbers are supported
5631 check_inline_asm xmm_clobbers '"":::"%xmm0"'
5633 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' ||
5634 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"'
5636 # check whether binutils is new enough to compile SSSE3/MMXEXT
5637 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
5638 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
5642 if check_cmd $x86asmexe_probe -v; then
5643 x86asmexe=$x86asmexe_probe
5645 x86asm_debug="-g -F dwarf"
5647 X86ASM_DEPFLAGS='-MD $(@:.o=.d)'
5648 elif check_cmd $x86asmexe_probe --version; then
5649 x86asmexe=$x86asmexe_probe
5651 x86asm_debug="-g dwarf2"
5652 X86ASMDEP='$(DEPX86ASM) $(X86ASMFLAGS) -M $(X86ASM_O) $< > $(@:.o=.d)'
5655 check_x86asm "movbe ecx, [5]" && enable x86asm
5658 if ! disabled_any asm mmx x86asm; then
5660 for program in $x86asmexe nasm yasm; do
5661 probe_x86asm $program && break
5663 disabled x86asm && die "nasm/yasm not found or too old. Use --disable-x86asm for a crippled build."
5664 X86ASMFLAGS="-f $objformat"
5665 enabled pic && append X86ASMFLAGS "-DPIC"
5666 test -n "$extern_prefix" && append X86ASMFLAGS "-DPREFIX"
5667 case "$objformat" in
5668 elf*) enabled debug && append X86ASMFLAGS $x86asm_debug ;;
5671 check_x86asm "vextracti128 xmm0, ymm0, 0" || disable avx2_external
5672 check_x86asm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external
5673 check_x86asm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
5674 check_x86asm "CPU amdnop" || disable cpunop
5678 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
5685 check_code cc arm_neon.h "int16x8_t test = vdupq_n_s16(0)" && enable intrinsics_neon
5687 check_ldflags -Wl,--as-needed
5688 check_ldflags -Wl,-z,noexecstack
5690 if ! disabled network; then
5691 check_func getaddrinfo $network_extralibs
5692 check_func inet_aton $network_extralibs
5694 check_type netdb.h "struct addrinfo"
5695 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
5696 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
5697 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
5698 check_type poll.h "struct pollfd"
5699 check_type netinet/sctp.h "struct sctp_event_subscribe"
5700 check_struct "sys/socket.h" "struct msghdr" msg_flags
5701 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
5702 check_type netinet/in.h "struct sockaddr_in6"
5703 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
5704 check_type "sys/types.h sys/socket.h" socklen_t
5706 # Prefer arpa/inet.h over winsock2
5707 if check_header arpa/inet.h ; then
5708 check_func closesocket
5709 elif check_header winsock2.h ; then
5710 check_func_headers winsock2.h closesocket -lws2 &&
5711 network_extralibs="-lws2" ||
5712 { check_func_headers winsock2.h closesocket -lws2_32 &&
5713 network_extralibs="-lws2_32"; } || disable winsock2_h network
5714 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
5716 check_type ws2tcpip.h socklen_t
5717 check_type ws2tcpip.h "struct addrinfo"
5718 check_type ws2tcpip.h "struct group_source_req"
5719 check_type ws2tcpip.h "struct ip_mreq_source"
5720 check_type ws2tcpip.h "struct ipv6_mreq"
5721 check_type winsock2.h "struct pollfd"
5722 check_struct winsock2.h "struct sockaddr" sa_len
5723 check_type ws2tcpip.h "struct sockaddr_in6"
5724 check_type ws2tcpip.h "struct sockaddr_storage"
5730 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
5731 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
5732 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
5733 check_builtin sarestart signal.h "SA_RESTART"
5734 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
5735 check_builtin gmtime_r time.h "time_t *time; struct tm *tm; gmtime_r(time, tm)"
5736 check_builtin localtime_r time.h "time_t *time; struct tm *tm; localtime_r(time, tm)"
5737 check_builtin x264_csp_bgr "stdint.h x264.h" "X264_CSP_BGR"
5739 case "$custom_allocator" in
5741 # jemalloc by default does not use a prefix
5742 require libjemalloc jemalloc/jemalloc.h malloc -ljemalloc
5745 require_pkg_config libtcmalloc libtcmalloc gperftools/tcmalloc.h tc_malloc
5750 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
5751 check_func ${malloc_prefix}memalign && enable memalign
5752 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
5755 check_func_headers stdlib.h arc4random
5756 check_lib clock_gettime time.h clock_gettime || check_lib clock_gettime time.h clock_gettime -lrt
5759 check_func gethrtime
5761 check_func getrusage
5762 check_func gettimeofday
5764 check_func mach_absolute_time
5768 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
5769 check_func_headers time.h nanosleep || check_lib nanosleep time.h nanosleep -lrt
5770 check_func sched_getaffinity
5771 check_func setrlimit
5772 check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE
5773 check_func strerror_r
5778 check_func_headers conio.h kbhit
5779 check_func_headers io.h setmode
5780 check_func_headers lzo/lzo1x.h lzo1x_999_compress
5781 check_func_headers stdlib.h getenv
5782 check_func_headers sys/stat.h lstat
5784 check_func_headers windows.h GetProcessAffinityMask
5785 check_func_headers windows.h GetProcessTimes
5786 check_func_headers windows.h GetSystemTimeAsFileTime
5787 check_func_headers windows.h LoadLibrary
5788 check_func_headers windows.h MapViewOfFile
5789 check_func_headers windows.h PeekNamedPipe
5790 check_func_headers windows.h SetConsoleTextAttribute
5791 check_func_headers windows.h SetConsoleCtrlHandler
5792 check_func_headers windows.h Sleep
5793 check_func_headers windows.h VirtualAlloc
5794 check_struct windows.h "CONDITION_VARIABLE" Ptr
5795 check_func_headers glob.h glob
5797 check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext
5799 check_header d3d11.h
5800 check_header direct.h
5801 check_header dirent.h
5802 check_header dlfcn.h
5803 check_header dxgidebug.h
5805 check_header dxva2api.h -D_WIN32_WINNT=0x0600
5807 check_header libcrystalhd/libcrystalhd_if.h
5808 check_header mach/mach_time.h
5809 check_header malloc.h
5810 check_header net/udplite.h
5812 check_header sys/mman.h
5813 check_header sys/param.h
5814 check_header sys/resource.h
5815 check_header sys/select.h
5816 check_header sys/time.h
5817 check_header sys/un.h
5818 check_header termios.h
5819 check_header unistd.h
5820 check_header valgrind/valgrind.h
5821 check_func_headers VideoToolbox/VTCompressionSession.h VTCompressionSessionPrepareToEncodeFrames -framework VideoToolbox
5822 check_header windows.h
5823 check_header X11/extensions/XvMClib.h
5824 check_header asm/types.h
5826 # it seems there are versions of clang in some distros that try to use the
5827 # gcc headers, which explodes for stdatomic
5828 # so we also check that atomics actually work here
5829 check_builtin stdatomic_h stdatomic.h "atomic_int foo, bar = ATOMIC_VAR_INIT(-1); atomic_store(&foo, 0)"
5831 check_lib advapi32 "windows.h" RegCloseKey -ladvapi32
5832 check_lib ole32 "windows.h" CoTaskMemFree -lole32
5833 check_lib shell32 "windows.h shellapi.h" CommandLineToArgvW -lshell32
5834 check_lib wincrypt "windows.h wincrypt.h" CryptGenRandom -ladvapi32
5835 check_lib psapi "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
5837 enabled appkit && check_apple_framework AppKit
5838 enabled audiotoolbox && check_apple_framework AudioToolbox
5839 enabled avfoundation && check_apple_framework AVFoundation
5840 enabled coreimage && check_apple_framework CoreImage
5841 enabled videotoolbox && check_apple_framework VideoToolbox
5843 check_apple_framework CoreFoundation
5844 check_apple_framework CoreMedia
5845 check_apple_framework CoreVideo
5847 enabled avfoundation && {
5848 disable coregraphics applicationservices
5849 check_lib coregraphics CoreGraphics/CoreGraphics.h CGGetActiveDisplayList "-framework CoreGraphics" ||
5850 check_lib applicationservices ApplicationServices/ApplicationServices.h CGGetActiveDisplayList "-framework ApplicationServices"; }
5852 enabled videotoolbox && {
5853 check_lib coreservices CoreServices/CoreServices.h UTGetOSTypeFromString "-framework CoreServices"
5854 check_func_headers CoreMedia/CMFormatDescription.h kCMVideoCodecType_HEVC "-framework CoreMedia"
5857 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
5859 check_type "windows.h dxva.h" "DXVA_PicParams_HEVC" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0
5860 check_type "windows.h dxva.h" "DXVA_PicParams_VP9" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0
5861 check_type "windows.h d3d11.h" "ID3D11VideoDecoder"
5862 check_type "windows.h d3d11.h" "ID3D11VideoContext"
5863 check_type "d3d9.h dxva2api.h" DXVA2_ConfigPictureDecode -D_WIN32_WINNT=0x0602
5865 check_type "va/va.h va/va_dec_hevc.h" "VAPictureParameterBufferHEVC"
5866 check_struct "va/va.h" "VADecPictureParameterBufferVP9" bit_depth
5867 check_type "va/va.h va/va_vpp.h" "VAProcPipelineParameterBuffer"
5868 check_type "va/va.h va/va_enc_h264.h" "VAEncPictureParameterBufferH264"
5869 check_type "va/va.h va/va_enc_hevc.h" "VAEncPictureParameterBufferHEVC"
5870 check_type "va/va.h va/va_enc_jpeg.h" "VAEncPictureParameterBufferJPEG"
5871 check_type "va/va.h va/va_enc_mpeg2.h" "VAEncPictureParameterBufferMPEG2"
5872 check_type "va/va.h va/va_enc_vp8.h" "VAEncPictureParameterBufferVP8"
5873 check_type "va/va.h va/va_enc_vp9.h" "VAEncPictureParameterBufferVP9"
5875 check_type "vdpau/vdpau.h" "VdpPictureInfoHEVC"
5877 check_cpp_condition windows.h "!WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)" && enable winrt || disable winrt
5879 if ! disabled w32threads && ! enabled pthreads; then
5880 check_func_headers "windows.h process.h" _beginthreadex &&
5881 enable w32threads || disable w32threads
5882 if ! enabled w32threads && enabled winrt; then
5883 check_func_headers "windows.h" CreateThread &&
5884 enable w32threads || disable w32threads
5888 # check for some common methods of building with pthread support
5889 # do this before the optional library checks as some of them require pthreads
5890 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
5891 if check_lib pthreads pthread.h pthread_join -pthread &&
5892 check_lib pthreads pthread.h pthread_create -pthread; then
5894 elif check_lib pthreads pthread.h pthread_join -pthreads &&
5895 check_lib pthreads pthread.h pthread_create -pthreads; then
5896 add_cflags -pthreads
5897 elif check_lib pthreads pthread.h pthread_join -ldl -pthread &&
5898 check_lib pthreads pthread.h pthread_create -ldl -pthread; then
5899 add_cflags -ldl -pthread
5900 elif check_lib pthreads pthread.h pthread_join -lpthreadGC2 &&
5901 check_lib pthreads pthread.h pthread_create -lpthreadGC2; then
5903 elif check_lib pthreads pthread.h pthread_join -lpthread &&
5904 check_lib pthreads pthread.h pthread_create -lpthread; then
5906 elif check_func pthread_join && check_func pthread_create; then
5909 check_code cc "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER" || disable pthreads
5913 if enabled pthreads; then
5914 check_func pthread_cancel $pthreads_extralibs
5918 check_builtin sem_timedwait semaphore.h "sem_t *s; sem_init(s,0,0); sem_timedwait(s,0); sem_destroy(s)" $pthreads_extralibs
5920 enabled zlib && check_lib zlib zlib.h zlibVersion -lz
5921 enabled bzlib && check_lib bzlib bzlib.h BZ2_bzlibVersion -lbz2
5922 enabled lzma && check_lib lzma lzma.h lzma_version_number -llzma
5924 # On some systems dynamic loading requires no extra linker flags
5925 check_lib libdl dlfcn.h "dlopen dlsym" || check_lib libdl dlfcn.h "dlopen dlsym" -ldl
5927 check_lib libm math.h sin -lm
5935 for func in $MATH_FUNCS; do
5936 eval check_mathfunc $func \${${func}_args:-1} $libm_extralibs
5939 for func in $COMPLEX_FUNCS; do
5940 eval check_complexfunc $func \${${func}_args:-1}
5943 # these are off by default, so fail if requested and not available
5944 enabled cuda_sdk && require cuda_sdk cuda.h cuCtxCreate -lcuda
5945 enabled cuvid && { enabled cuda ||
5946 die "ERROR: CUVID requires CUDA"; }
5947 enabled nvdec && { enabled cuda ||
5948 die "ERROR: NVDEC hwaccel requires CUDA"; }
5949 enabled chromaprint && require chromaprint chromaprint.h chromaprint_get_version -lchromaprint
5950 enabled decklink && { require_header DeckLinkAPI.h &&
5951 { check_cpp_condition DeckLinkAPIVersion.h "BLACKMAGIC_DECKLINK_API_VERSION >= 0x0a060100" || die "ERROR: Decklink API version must be >= 10.6.1."; } }
5952 enabled libndi_newtek && require_header Processing.NDI.Lib.h
5953 enabled frei0r && require_header frei0r.h
5954 enabled gmp && require gmp gmp.h mpz_export -lgmp
5955 enabled gnutls && require_pkg_config gnutls gnutls gnutls/gnutls.h gnutls_global_init
5956 enabled jni && { [ $target_os = "android" ] && check_header jni.h && enabled pthreads || die "ERROR: jni not found"; }
5957 enabled ladspa && require_header ladspa.h
5958 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
5959 enabled libass && require_pkg_config libass libass ass/ass.h ass_library_init
5960 enabled libbluray && require_pkg_config libbluray libbluray libbluray/bluray.h bd_open
5961 enabled libbs2b && require_pkg_config libbs2b libbs2b bs2b.h bs2b_open
5962 enabled libcelt && require libcelt celt/celt.h celt_decode -lcelt0 &&
5963 { check_lib libcelt celt/celt.h celt_decoder_create_custom -lcelt0 ||
5964 die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
5965 enabled libcaca && require_pkg_config libcaca caca caca.h caca_create_canvas
5966 enabled libdc1394 && require_pkg_config libdc1394 libdc1394-2 dc1394/dc1394.h dc1394_new
5967 enabled libdrm && require_pkg_config libdrm libdrm xf86drm.h drmGetVersion
5968 enabled libfdk_aac && { use_pkg_config libfdk_aac fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen ||
5969 { require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac &&
5970 warn "using libfdk without pkg-config"; } }
5971 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"
5972 enabled libflite && require libflite "flite/flite.h" flite_init $flite_extralibs
5973 enabled fontconfig && enable libfontconfig
5974 enabled libfontconfig && require_pkg_config libfontconfig fontconfig "fontconfig/fontconfig.h" FcInit
5975 enabled libfreetype && require_pkg_config libfreetype freetype2 "ft2build.h FT_FREETYPE_H" FT_Init_FreeType
5976 enabled libfribidi && require_pkg_config libfribidi fribidi fribidi.h fribidi_version_info
5977 enabled libgme && { use_pkg_config libgme libgme gme/gme.h gme_new_emu ||
5978 require libgme gme/gme.h gme_new_emu -lgme -lstdc++; }
5979 enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
5980 check_lib libgsm "${gsm_hdr}" gsm_create -lgsm && break;
5981 done || die "ERROR: libgsm not found"; }
5982 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc $pthreads_extralibs
5983 enabled libkvazaar && require_pkg_config libkvazaar "kvazaar >= 0.8.1" kvazaar.h kvz_api_get
5984 # While it may appear that require is being used as a pkg-config
5985 # fallback for libmfx, it is actually being used to detect a different
5986 # installation route altogether. If libmfx is installed via the Intel
5987 # Media SDK or Intel Media Server Studio, these don't come with
5988 # pkg-config support. Instead, users should make sure that the build
5989 # can find the libraries and headers through other means.
5990 enabled libmfx && { use_pkg_config libmfx libmfx "mfx/mfxvideo.h" MFXInit ||
5991 { require libmfx "mfx/mfxvideo.h" MFXInit "-llibmfx $advapi32_extralibs" && warn "using libmfx without pkg-config"; } }
5992 enabled libmodplug && require_pkg_config libmodplug libmodplug libmodplug/modplug.h ModPlug_Load
5993 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
5994 enabled libmysofa && require libmysofa "mysofa.h" mysofa_load -lmysofa $zlib_extralibs
5995 enabled libnpp && { check_lib libnpp npp.h nppGetLibVersion -lnppig -lnppicc -lnppc ||
5996 check_lib libnpp npp.h nppGetLibVersion -lnppi -lnppc ||
5997 die "ERROR: libnpp not found"; }
5998 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
5999 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
6000 enabled libopencv && { check_header opencv2/core/core_c.h &&
6001 { use_pkg_config libopencv opencv opencv2/core/core_c.h cvCreateImageHeader ||
6002 require libopencv opencv2/core/core_c.h cvCreateImageHeader -lopencv_core -lopencv_imgproc; } ||
6003 require_pkg_config libopencv opencv opencv/cxcore.h cvCreateImageHeader; }
6004 enabled libopenh264 && require_pkg_config libopenh264 openh264 wels/codec_api.h WelsGetCodecVersion
6005 enabled libopenjpeg && { use_pkg_config libopenjpeg "libopenjp2 >= 2.1.0" openjpeg.h opj_version ||
6006 { require_pkg_config libopenjpeg "libopenjp2 >= 2.1.0" openjpeg.h opj_version -DOPJ_STATIC && add_cppflags -DOPJ_STATIC; } }
6007 enabled libopenmpt && require_pkg_config libopenmpt "libopenmpt >= 0.2.6557" libopenmpt/libopenmpt.h openmpt_module_create -lstdc++ && append libopenmpt_extralibs "-lstdc++"
6008 enabled libopus && {
6009 enabled libopus_decoder && {
6010 require_pkg_config libopus opus opus_multistream.h opus_multistream_decoder_create
6012 enabled libopus_encoder && {
6013 require_pkg_config libopus opus opus_multistream.h opus_multistream_surround_encoder_create
6016 enabled libpulse && require_pkg_config libpulse libpulse pulse/pulseaudio.h pa_context_new
6017 enabled librsvg && require_pkg_config librsvg librsvg-2.0 librsvg-2.0/librsvg/rsvg.h rsvg_handle_render_cairo
6018 enabled librtmp && require_pkg_config librtmp librtmp librtmp/rtmp.h RTMP_Socket
6019 enabled librubberband && require_pkg_config librubberband "rubberband >= 1.8.1" rubberband/rubberband-c.h rubberband_new -lstdc++ && append librubberband_extralibs "-lstdc++"
6020 enabled libshine && require_pkg_config libshine shine shine/layer3.h shine_encode_buffer
6021 enabled libsmbclient && { use_pkg_config libsmbclient smbclient libsmbclient.h smbc_init ||
6022 require libsmbclient libsmbclient.h smbc_init -lsmbclient; }
6023 enabled libsnappy && require libsnappy snappy-c.h snappy_compress -lsnappy -lstdc++
6024 enabled libsoxr && require libsoxr soxr.h soxr_create -lsoxr
6025 enabled libssh && require_pkg_config libssh libssh libssh/sftp.h sftp_init
6026 enabled libspeex && require_pkg_config libspeex speex speex/speex.h speex_decoder_init -lspeex
6027 enabled libtesseract && require_pkg_config libtesseract tesseract tesseract/capi.h TessBaseAPICreate
6028 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
6029 enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame &&
6030 { check_lib libtwolame twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
6031 die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
6032 enabled libv4l2 && require_pkg_config libv4l2 libv4l2 libv4l2.h v4l2_ioctl
6033 enabled libvidstab && require_pkg_config libvidstab "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit
6034 enabled libvmaf && require_pkg_config libvmaf libvmaf libvmaf.h compute_vmaf
6035 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
6036 enabled libvorbis && require_pkg_config libvorbis vorbis vorbis/codec.h vorbis_info_init &&
6037 require_pkg_config libvorbisenc vorbisenc vorbis/vorbisenc.h vorbis_encode_init
6040 enabled libvpx_vp8_decoder && {
6041 use_pkg_config libvpx_vp8_decoder "vpx >= 0.9.1" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp8_dx ||
6042 check_lib libvpx_vp8_decoder "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
6043 die "ERROR: libvpx decoder version must be >=0.9.1";
6045 enabled libvpx_vp8_encoder && {
6046 use_pkg_config libvpx_vp8_encoder "vpx >= 0.9.7" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp8_cx ||
6047 check_lib libvpx_vp8_encoder "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VP8E_SET_MAX_INTRA_BITRATE_PCT" -lvpx ||
6048 die "ERROR: libvpx encoder version must be >=0.9.7";
6050 enabled libvpx_vp9_decoder && {
6051 use_pkg_config libvpx_vp9_decoder "vpx >= 1.3.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx ||
6052 check_lib libvpx_vp9_decoder "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx
6054 enabled libvpx_vp9_encoder && {
6055 use_pkg_config libvpx_vp9_encoder "vpx >= 1.3.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx ||
6056 check_lib libvpx_vp9_encoder "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VP9E_SET_AQ_MODE" -lvpx
6058 if disabled_all libvpx_vp8_decoder libvpx_vp9_decoder libvpx_vp8_encoder libvpx_vp9_encoder; then
6059 die "libvpx enabled but no supported decoders found"
6063 enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack
6064 enabled libwebp && {
6065 enabled libwebp_encoder && require_pkg_config libwebp "libwebp >= 0.2.0" webp/encode.h WebPGetEncoderVersion
6066 enabled libwebp_anim_encoder && use_pkg_config libwebp_anim_encoder "libwebpmux >= 0.4.0" webp/mux.h WebPAnimEncoderOptionsInit; }
6067 enabled libx264 && { use_pkg_config libx264 x264 "stdint.h x264.h" x264_encoder_encode ||
6068 { require libx264 "stdint.h x264.h" x264_encoder_encode -lx264 &&
6069 warn "using libx264 without pkg-config"; } } &&
6070 require_cpp_condition x264.h "X264_BUILD >= 118" &&
6071 { check_cpp_condition x264.h "X264_MPEG2" &&
6073 enabled libx265 && require_pkg_config libx265 x265 x265.h x265_api_get &&
6074 require_cpp_condition x265.h "X265_BUILD >= 68"
6075 enabled libxavs && require libxavs "stdint.h xavs.h" xavs_encoder_encode "-lxavs $pthreads_extralibs $libm_extralibs"
6076 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
6077 enabled libzimg && require_pkg_config libzimg "zimg >= 2.3.0" zimg.h zimg_get_api_version
6078 enabled libzmq && require_pkg_config libzmq libzmq zmq.h zmq_ctx_new
6079 enabled libzvbi && require_pkg_config libzvbi zvbi-0.2 libzvbi.h vbi_decoder_new &&
6080 { check_cpp_condition libzvbi.h "VBI_VERSION_MAJOR > 0 || VBI_VERSION_MINOR > 2 || VBI_VERSION_MINOR == 2 && VBI_VERSION_MICRO >= 28" ||
6081 enabled gpl || die "ERROR: libzvbi requires version 0.2.28 or --enable-gpl."; }
6082 enabled libxml2 && require_pkg_config libxml2 libxml-2.0 libxml2/libxml/xmlversion.h xmlCheckVersion
6083 enabled mediacodec && { enabled jni || die "ERROR: mediacodec requires --enable-jni"; }
6084 enabled mmal && { check_lib mmal interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ||
6085 { ! enabled cross_compile &&
6086 add_cflags -isystem/opt/vc/include/ -isystem/opt/vc/include/interface/vmcs_host/linux -isystem/opt/vc/include/interface/vcos/pthreads -fgnu89-inline &&
6087 add_ldflags -L/opt/vc/lib/ &&
6088 check_lib mmal interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host; } ||
6089 die "ERROR: mmal not found" &&
6090 check_func_headers interface/mmal/mmal.h "MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS"; }
6091 enabled openal && { { for al_extralibs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
6092 check_lib openal 'AL/al.h' alGetError "${al_extralibs}" && break; done } ||
6093 die "ERROR: openal not found"; } &&
6094 { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
6095 die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
6096 enabled opencl && { check_lib opencl OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||
6097 check_lib opencl CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||
6098 die "ERROR: opencl not found"; } &&
6099 { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||
6100 check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||
6101 die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }
6102 enabled opengl && { check_lib opengl GL/glx.h glXGetProcAddress "-lGL" ||
6103 check_lib opengl windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||
6104 check_lib opengl OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||
6105 check_lib opengl ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||
6106 die "ERROR: opengl not found."
6108 enabled omx && require_header OMX_Core.h
6109 enabled omx_rpi && { check_header OMX_Core.h ||
6110 { ! enabled cross_compile && add_cflags -isystem/opt/vc/include/IL && check_header OMX_Core.h ; } ||
6111 die "ERROR: OpenMAX IL headers not found"; } && enable omx
6112 enabled openssl && { use_pkg_config openssl openssl openssl/ssl.h OPENSSL_init_ssl ||
6113 use_pkg_config openssl openssl openssl/ssl.h SSL_library_init ||
6114 check_lib openssl openssl/ssl.h SSL_library_init -lssl -lcrypto ||
6115 check_lib openssl openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
6116 check_lib openssl openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
6117 die "ERROR: openssl not found"; }
6118 enabled rkmpp && { { require_pkg_config rkmpp rockchip_mpp rockchip/rk_mpi.h mpp_create ||
6119 die "ERROR : Rockchip MPP was not found."; } &&
6120 { check_func_headers rockchip/rk_mpi_cmd.h "MPP_DEC_GET_FREE_PACKET_SLOT_COUNT" ||
6121 die "ERROR: Rockchip MPP is outdated, please get a more recent one."; } &&
6123 die "ERROR: rkmpp requires --enable-libdrm"; }
6126 if enabled gcrypt; then
6127 GCRYPT_CONFIG="${cross_prefix}libgcrypt-config"
6128 if "${GCRYPT_CONFIG}" --version > /dev/null 2>&1; then
6129 gcrypt_cflags=$("${GCRYPT_CONFIG}" --cflags)
6130 gcrypt_extralibs=$("${GCRYPT_CONFIG}" --libs)
6131 check_func_headers gcrypt.h gcry_mpi_new $gcrypt_cflags $gcrypt_extralibs ||
6132 die "ERROR: gcrypt not found"
6133 add_cflags $gcrypt_cflags
6135 require gcrypt gcrypt.h gcry_mpi_new -lgcrypt
6139 if enabled sdl2; then
6140 SDL2_CONFIG="${cross_prefix}sdl2-config"
6141 if check_pkg_config sdl2 "sdl2 >= 2.0.1 sdl2 < 2.1.0" SDL_events.h SDL_PollEvent; then
6142 check_func SDL_Init $sdl2_extralibs $sdl2_cflags ||
6144 elif "${SDL2_CONFIG}" --version > /dev/null 2>&1; then
6145 sdl2_cflags=$("${SDL2_CONFIG}" --cflags)
6146 sdl2_extralibs=$("${SDL2_CONFIG}" --libs)
6147 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x020001" $sdl2_cflags &&
6148 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x020100" $sdl2_cflags &&
6149 check_func SDL_Init $sdl2_extralibs $sdl2_cflags &&
6152 if test $target_os = "mingw32"; then
6153 sdl2_extralibs=$(filter_out '-mwindows' $sdl2_extralibs)
6157 if enabled decklink; then
6159 mingw32*|mingw64*|win32|win64)
6160 decklink_outdev_extralibs="$decklink_outdev_extralibs -lole32 -loleaut32"
6161 decklink_indev_extralibs="$decklink_indev_extralibs -lole32 -loleaut32"
6166 enabled securetransport &&
6167 check_func SecIdentityCreate "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&
6168 check_lib securetransport "Security/SecureTransport.h Security/Security.h" "SSLCreateContext SecItemImport" "-Wl,-framework,CoreFoundation -Wl,-framework,Security" ||
6169 disable securetransport
6172 check_func_headers "windows.h security.h" InitializeSecurityContext -DSECURITY_WIN32 -lsecur32 &&
6173 check_cpp_condition winerror.h "defined(SEC_I_CONTEXT_EXPIRED)" &&
6174 schannel_extralibs="-lsecur32" ||
6177 makeinfo --version > /dev/null 2>&1 && enable makeinfo || disable makeinfo
6179 && [ 0$(makeinfo --version | grep "texinfo" | sed 's/.*texinfo[^0-9]*\([0-9]*\)\..*/\1/') -ge 5 ] \
6180 && enable makeinfo_html || disable makeinfo_html
6181 disabled makeinfo_html && texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
6182 perl -v > /dev/null 2>&1 && enable perl || disable perl
6183 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
6184 rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout
6186 # check V4L2 codecs available in the API
6187 check_header linux/fb.h
6188 check_header linux/videodev2.h
6189 check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_sanitized struct_v4l2_frmivalenum_discrete
6190 check_code cc linux/videodev2.h "int i = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_VIDEO_M2M | V4L2_BUF_FLAG_LAST;" || disable v4l2_m2m
6191 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_VC1_ANNEX_G;" && enable vc1_v4l2_m2m
6192 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG1;" && enable mpeg1_v4l2_m2m
6193 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG2;" && enable mpeg2_v4l2_m2m
6194 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG4;" && enable mpeg4_v4l2_m2m
6195 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_HEVC;" && enable hevc_v4l2_m2m
6196 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_H263;" && enable h263_v4l2_m2m
6197 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_H264;" && enable h264_v4l2_m2m
6198 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_VP8;" && enable vp8_v4l2_m2m
6199 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_VP9;" && enable vp9_v4l2_m2m
6201 check_header sys/videoio.h
6202 check_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_sanitized struct_v4l2_frmivalenum_discrete
6204 check_lib user32 "windows.h winuser.h" GetShellWindow -luser32
6205 check_lib vfw32 "windows.h vfw.h" capCreateCaptureWindow -lvfw32
6206 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
6207 # w32api 3.12 had it defined wrong
6208 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
6210 check_type "dshow.h" IBaseFilter
6212 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
6213 { check_header dev/bktr/ioctl_meteor.h &&
6214 check_header dev/bktr/ioctl_bt848.h; } ||
6215 { check_header machine/ioctl_meteor.h &&
6216 check_header machine/ioctl_bt848.h; } ||
6217 { check_header dev/video/meteor/ioctl_meteor.h &&
6218 check_header dev/video/bktr/ioctl_bt848.h; } ||
6219 check_header dev/ic/bt8xx.h
6221 if check_struct sys/soundcard.h audio_buf_info bytes; then
6222 enable_sanitized sys/soundcard.h
6224 check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_sanitized sys/soundcard.h
6225 #include <sys/soundcard.h>
6229 check_header soundcard.h
6231 enabled alsa && use_pkg_config alsa alsa "alsa/asoundlib.h" snd_pcm_htimestamp ||
6232 check_lib alsa alsa/asoundlib.h snd_pcm_htimestamp -lasound
6235 require_pkg_config libjack jack jack/jack.h jack_port_get_latency_range
6237 enabled sndio && check_lib sndio sndio.h sio_open -lsndio
6239 if enabled libcdio; then
6240 use_pkg_config libcdio libcdio_paranoia "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open ||
6241 use_pkg_config libcdio libcdio_paranoia "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open ||
6242 check_lib libcdio "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
6243 check_lib libcdio "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
6244 die "ERROR: No usable libcdio/cdparanoia found"
6247 enabled libxcb && use_pkg_config libxcb "xcb >= 1.4" xcb/xcb.h xcb_connect ||
6248 disable libxcb_shm libxcb_shape libxcb_xfixes
6250 if enabled libxcb; then
6251 enabled libxcb_shm && use_pkg_config libxcb_shm xcb-shm xcb/shm.h xcb_shm_attach
6252 enabled libxcb_shape && use_pkg_config libxcb_shape xcb-shape xcb/shape.h xcb_shape_get_rectangles
6253 enabled libxcb_xfixes && use_pkg_config libxcb_xfixes xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image
6256 check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs"
6258 # d3d11va requires linking directly to dxgi and d3d11 if not building for
6259 # the desktop api partition
6260 check_cpp <<EOF && enable uwp && d3d11va_extralibs="-ldxgi -ld3d11"
6261 #ifdef WINAPI_FAMILY
6262 #include <winapifamily.h>
6263 #if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
6264 #error desktop, not uwp
6266 // WINAPI_FAMILY_APP, WINAPI_FAMILY_PHONE_APP => UWP
6269 #error no family set
6274 check_lib vaapi va/va.h vaInitialize -lva
6277 check_code cc "va/va.h" "vaCreateSurfaces(0, 0, 0, 0, 0, 0, 0, 0)" ||
6281 check_lib vaapi_drm "va/va.h va/va_drm.h" vaGetDisplayDRM -lva -lva-drm
6284 check_lib vaapi_x11 "va/va.h va/va_x11.h" vaGetDisplay -lva -lva-x11 -lX11
6287 check_cpp_condition "va/va.h" "VA_CHECK_VERSION(1, 0, 0)" &&
6291 check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
6295 check_lib vdpau_x11 "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau -lX11
6297 enabled crystalhd && check_lib crystalhd "stdint.h libcrystalhd/libcrystalhd_if.h" DtsCrystalHDVersion -lcrystalhd
6299 if enabled x86; then
6301 mingw32*|mingw64*|win32|win64|linux|cygwin*)
6304 disable cuda cuvid nvdec nvenc
6308 disable cuda cuvid nvdec nvenc
6312 check_cc -I$source_path <<EOF || disable nvenc
6313 #include "compat/nvenc/nvEncodeAPI.h"
6314 NV_ENCODE_API_FUNCTION_LIST flist;
6315 void f(void) { struct { const GUID guid; } s[] = { { NV_ENC_PRESET_HQ_GUID } }; }
6316 int main(void) { return 0; }
6319 # Funny iconv installations are not unusual, so check it after all flags have been set
6320 if enabled libc_iconv; then
6321 check_func_headers iconv.h iconv
6322 elif enabled iconv; then
6323 check_func_headers iconv.h iconv || check_lib iconv iconv.h iconv -liconv
6326 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
6328 # add some useful compiler flags if supported
6329 check_cflags -Wdeclaration-after-statement
6331 check_cflags -Wdisabled-optimization
6332 check_cflags -Wpointer-arith
6333 check_cflags -Wredundant-decls
6334 check_cflags -Wwrite-strings
6335 check_cflags -Wtype-limits
6336 check_cflags -Wundef
6337 check_cflags -Wmissing-prototypes
6338 check_cflags -Wno-pointer-to-int-cast
6339 check_cflags -Wstrict-prototypes
6340 check_cflags -Wempty-body
6342 if enabled extra_warnings; then
6343 check_cflags -Wcast-qual
6344 check_cflags -Wextra
6345 check_cflags -Wpedantic
6348 check_disable_warning(){
6349 warning_flag=-W${1#-Wno-}
6350 test_cflags $unknown_warning_flags $warning_flag && add_cflags $1
6353 test_cflags -Werror=unused-command-line-argument &&
6354 append unknown_warning_flags "-Werror=unused-command-line-argument"
6355 test_cflags -Werror=unknown-warning-option &&
6356 append unknown_warning_flags "-Werror=unknown-warning-option"
6358 check_disable_warning -Wno-parentheses
6359 check_disable_warning -Wno-switch
6360 check_disable_warning -Wno-format-zero-length
6361 check_disable_warning -Wno-pointer-sign
6362 check_disable_warning -Wno-unused-const-variable
6363 check_disable_warning -Wno-bool-operation
6365 check_disable_warning_headers(){
6366 warning_flag=-W${1#-Wno-}
6367 test_cflags $warning_flag && add_cflags_headers $1
6370 check_disable_warning_headers -Wno-deprecated-declarations
6371 check_disable_warning_headers -Wno-unused-variable
6373 check_cc <<EOF && enable blocks_extension
6374 void (^block)(void);
6377 # add some linker flags
6378 check_ldflags -Wl,--warn-common
6379 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
6380 enabled rpath && add_ldexeflags -Wl,-rpath,$libdir && add_ldsoflags -Wl,-rpath,$libdir
6381 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
6383 # add some strip flags
6386 enabled neon_clobber_test &&
6387 check_ldflags -Wl,--wrap,avcodec_open2 \
6388 -Wl,--wrap,avcodec_decode_audio4 \
6389 -Wl,--wrap,avcodec_decode_video2 \
6390 -Wl,--wrap,avcodec_decode_subtitle2 \
6391 -Wl,--wrap,avcodec_encode_audio2 \
6392 -Wl,--wrap,avcodec_encode_video2 \
6393 -Wl,--wrap,avcodec_encode_subtitle \
6394 -Wl,--wrap,avcodec_send_packet \
6395 -Wl,--wrap,avcodec_receive_packet \
6396 -Wl,--wrap,avcodec_send_frame \
6397 -Wl,--wrap,avcodec_receive_frame \
6398 -Wl,--wrap,swr_convert \
6399 -Wl,--wrap,avresample_convert ||
6400 disable neon_clobber_test
6402 enabled xmm_clobber_test &&
6403 check_ldflags -Wl,--wrap,avcodec_open2 \
6404 -Wl,--wrap,avcodec_decode_audio4 \
6405 -Wl,--wrap,avcodec_decode_video2 \
6406 -Wl,--wrap,avcodec_decode_subtitle2 \
6407 -Wl,--wrap,avcodec_encode_audio2 \
6408 -Wl,--wrap,avcodec_encode_video2 \
6409 -Wl,--wrap,avcodec_encode_subtitle \
6410 -Wl,--wrap,avcodec_send_packet \
6411 -Wl,--wrap,avcodec_receive_packet \
6412 -Wl,--wrap,avcodec_send_frame \
6413 -Wl,--wrap,avcodec_receive_frame \
6414 -Wl,--wrap,swr_convert \
6415 -Wl,--wrap,avresample_convert \
6416 -Wl,--wrap,sws_scale ||
6417 disable xmm_clobber_test
6419 check_ld "cc" <<EOF && enable proper_dce
6420 extern const int array[512];
6421 static inline int func(void) { return array[0]; }
6422 int main(void) { return 0; }
6425 if enabled proper_dce; then
6426 echo "X { local: *; };" > $TMPV
6427 if test_ldflags -Wl,${version_script},$TMPV; then
6428 append SHFLAGS '-Wl,${version_script},\$(SUBDIR)lib\$(NAME).ver'
6429 check_cc <<EOF && enable symver_asm_label
6430 void ff_foo(void) __asm__ ("av_foo@VERSION");
6431 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
6433 check_cc <<EOF && enable symver_gnu_asm
6434 __asm__(".symver ff_foo,av_foo@VERSION");
6435 void ff_foo(void) {}
6440 if [ -z "$optflags" ]; then
6441 if enabled small; then
6442 optflags=$cflags_size
6443 elif enabled optimizations; then
6444 optflags=$cflags_speed
6446 optflags=$cflags_noopt
6450 if [ -z "$nvccflags" ]; then
6451 nvccflags=$nvccflags_default
6454 if enabled x86_64 || enabled ppc64 || enabled aarch64; then
6455 nvccflags="$nvccflags -m64"
6457 nvccflags="$nvccflags -m32"
6462 enabled lto && check_ldflags "$@"
6465 check_optflags $optflags
6466 check_optflags -fno-math-errno
6467 check_optflags -fno-signed-zeros
6469 if enabled lto; then
6470 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
6472 check_ldflags -flto $cpuflags
6473 disable inline_asm_direct_symbol_refs
6476 enabled ftrapv && check_cflags -ftrapv
6478 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
6483 if enabled icc; then
6484 # Just warnings, no remarks
6486 # -wd: Disable following warnings
6487 # 144, 167, 556: -Wno-pointer-sign
6488 # 188: enumerated type mixed with another type
6489 # 1292: attribute "foo" ignored
6490 # 1419: external declaration in primary source file
6491 # 10006: ignoring unknown option -fno-signed-zeros
6492 # 10148: ignoring unknown option -Wno-parentheses
6493 # 10156: ignoring option '-W'; no argument required
6494 # 13200: No EMMS instruction before call to function
6495 # 13203: No EMMS instruction before return from function
6496 check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156,13200,13203
6497 # 11030: Warning unknown option --as-needed
6498 # 10156: ignoring option '-export'; no argument required
6499 check_ldflags -wd10156,11030
6500 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
6501 enable ebp_available
6502 # The test above does not test linking
6503 enabled lto && disable symver_asm_label
6504 if enabled x86_32; then
6505 icc_version=$($cc -dumpversion)
6506 test ${icc_version%%.*} -ge 11 &&
6507 check_cflags -falign-stack=maintain-16-byte ||
6508 disable aligned_stack
6510 elif enabled ccc; then
6511 # disable some annoying warnings
6512 add_cflags -msg_disable bitnotint
6513 add_cflags -msg_disable mixfuncvoid
6514 add_cflags -msg_disable nonstandcast
6515 add_cflags -msg_disable unsupieee
6516 elif enabled gcc; then
6517 check_optflags -fno-tree-vectorize
6518 check_cflags -Werror=format-security
6519 check_cflags -Werror=implicit-function-declaration
6520 check_cflags -Werror=missing-prototypes
6521 check_cflags -Werror=return-type
6522 check_cflags -Werror=vla
6523 check_cflags -Wformat
6524 check_cflags -fdiagnostics-color=auto
6525 enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized
6526 elif enabled llvm_gcc; then
6527 check_cflags -mllvm -stack-alignment=16
6528 elif enabled clang; then
6529 check_cflags -mllvm -stack-alignment=16
6530 check_cflags -mstack-alignment=16
6531 check_cflags -Qunused-arguments
6532 check_cflags -Werror=implicit-function-declaration
6533 check_cflags -Werror=missing-prototypes
6534 check_cflags -Werror=return-type
6535 elif enabled cparser; then
6536 add_cflags -Wno-missing-variable-declarations
6537 add_cflags -Wno-empty-statement
6538 elif enabled armcc; then
6539 add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat
6540 add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir
6541 # 2523: use of inline assembly is deprecated
6542 add_cflags -W${armcc_opt},--diag_suppress=2523
6543 add_cflags -W${armcc_opt},--diag_suppress=1207
6544 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
6545 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
6546 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
6547 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
6548 elif enabled tms470; then
6549 add_cflags -pds=824 -pds=837
6551 elif enabled pathscale; then
6552 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
6554 elif enabled_any msvc icl; then
6555 enabled x86_32 && disable aligned_stack
6556 enabled_all x86_32 debug && add_cflags -Oy-
6557 enabled debug && add_ldflags -debug
6558 enable pragma_deprecated
6559 if enabled icl; then
6560 # -Qansi-alias is basically -fstrict-aliasing, but does not work
6561 # (correctly) on icl 13.x.
6562 check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&
6563 add_cflags -Qansi-alias
6564 # Some inline asm is not compilable in debug
6565 if enabled debug; then
6566 disable ebp_available
6567 disable ebx_available
6570 # msvcrt10 x64 incorrectly enables log2, only msvcrt12 (MSVC 2013) onwards actually has log2.
6571 check_cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION >= 12" || disable log2
6572 # The CRT headers contain __declspec(restrict) in a few places, but if redefining
6573 # restrict, this might break. MSVC 2010 and 2012 fail with __declspec(__restrict)
6574 # (as it ends up if the restrict redefine is done before including stdlib.h), while
6575 # MSVC 2013 and newer can handle it fine.
6576 # If this declspec fails, force including stdlib.h before the restrict redefinition
6577 # happens in config.h.
6578 if [ $_restrict != restrict ]; then
6579 check_cc <<EOF || add_cflags -FIstdlib.h
6580 __declspec($_restrict) void* foo(int);
6583 # the new SSA optimzer in VS2015 U3 is mis-optimizing some parts of the code
6584 # Issue has been fixed in MSVC v19.00.24218.
6585 check_cpp_condition windows.h "_MSC_FULL_VER >= 190024218" ||
6586 check_cflags -d2SSAOptimizer-
6587 # enable utf-8 source processing on VS2015 U2 and newer
6588 check_cpp_condition windows.h "_MSC_FULL_VER >= 190023918" &&
6592 for pfx in "" host_; do
6593 varname=${pfx%_}cc_type
6594 eval "type=\$$varname"
6595 if [ "$type" = "msvc" ]; then
6596 check_${pfx}cc <<EOF || add_${pfx}cflags -Dinline=__inline
6597 static inline int foo(int a) { return a; }
6604 add_asflags -Qunused-arguments
6610 check_ldflags -Qunused-arguments
6616 enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'
6620 enable frame_thread_encoder
6622 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
6624 check_deps $CONFIG_LIST \
6629 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"
6632 if test $target_os = "haiku"; then
6634 disable posix_memalign
6637 flatten_extralibs(){
6638 unset nested_entries
6641 for entry in $list; do
6644 append nested_entries $(filter '*_extralibs' $entry_copy)
6645 flat_entries=$(filter_out '*_extralibs' $entry_copy)
6646 eval $entry="\$flat_entries"
6648 append $list_name "$nested_entries"
6650 resolve nested_entries
6651 if test -n "$(filter '*_extralibs' $nested_entries)"; then
6652 flatten_extralibs $list_name
6656 for linkunit in $LIBRARY_LIST; do
6657 unset current_extralibs
6658 eval components=\$$(toupper ${linkunit})_COMPONENTS_LIST
6659 for comp in ${components}; do
6660 enabled $comp || continue
6661 comp_extralibs="${comp}_extralibs"
6662 append current_extralibs $comp_extralibs
6664 eval prepend ${linkunit}_extralibs $current_extralibs
6667 for linkunit in $LIBRARY_LIST $PROGRAM_LIST $EXTRALIBS_LIST; do
6668 flatten_extralibs ${linkunit}_extralibs
6669 unique ${linkunit}_extralibs
6670 resolve ${linkunit}_extralibs
6671 eval ${linkunit}_extralibs=\$\(\$ldflags_filter \$${linkunit}_extralibs\)
6674 map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST
6676 for thread in $THREADS_LIST; do
6677 if enabled $thread; then
6678 test -n "$thread_type" &&
6679 die "ERROR: Only one thread type must be selected." ||
6680 thread_type="$thread"
6684 if disabled stdatomic_h; then
6685 if enabled atomics_gcc; then
6686 add_cppflags '-I\$(SRC_PATH)/compat/atomics/gcc'
6687 elif enabled atomics_win32; then
6688 add_cppflags '-I\$(SRC_PATH)/compat/atomics/win32'
6689 elif enabled atomics_suncc; then
6690 add_cppflags '-I\$(SRC_PATH)/compat/atomics/suncc'
6691 elif enabled pthreads; then
6692 add_compat atomics/pthread/stdatomic.o
6693 add_cppflags '-I\$(SRC_PATH)/compat/atomics/pthread'
6695 enabled threads && die "Threading is enabled, but no atomics are available"
6696 add_cppflags '-I\$(SRC_PATH)/compat/atomics/dummy'
6700 # Check if requested libraries were found.
6701 for lib in $AUTODETECT_LIBS; do
6702 requested $lib && ! enabled $lib && die "ERROR: $lib requested but not found";
6705 enabled zlib && add_cppflags -DZLIB_CONST
6707 # conditional library dependencies, in linking order
6708 enabled afftfilt_filter && prepend avfilter_deps "avcodec"
6709 enabled afir_filter && prepend avfilter_deps "avcodec"
6710 enabled amovie_filter && prepend avfilter_deps "avformat avcodec"
6711 enabled aresample_filter && prepend avfilter_deps "swresample"
6712 enabled atempo_filter && prepend avfilter_deps "avcodec"
6713 enabled cover_rect_filter && prepend avfilter_deps "avformat avcodec"
6714 enabled ebur128_filter && enabled swresample && prepend avfilter_deps "swresample"
6715 enabled elbg_filter && prepend avfilter_deps "avcodec"
6716 enabled fftfilt_filter && prepend avfilter_deps "avcodec"
6717 enabled find_rect_filter && prepend avfilter_deps "avformat avcodec"
6718 enabled firequalizer_filter && prepend avfilter_deps "avcodec"
6719 enabled mcdeint_filter && prepend avfilter_deps "avcodec"
6720 enabled movie_filter && prepend avfilter_deps "avformat avcodec"
6721 enabled pan_filter && prepend avfilter_deps "swresample"
6722 enabled pp_filter && prepend avfilter_deps "postproc"
6723 enabled removelogo_filter && prepend avfilter_deps "avformat avcodec swscale"
6724 enabled resample_filter && prepend avfilter_deps "avresample"
6725 enabled sab_filter && prepend avfilter_deps "swscale"
6726 enabled scale_filter && prepend avfilter_deps "swscale"
6727 enabled scale2ref_filter && prepend avfilter_deps "swscale"
6728 enabled sofalizer_filter && prepend avfilter_deps "avcodec"
6729 enabled showcqt_filter && prepend avfilter_deps "avformat avcodec swscale"
6730 enabled showfreqs_filter && prepend avfilter_deps "avcodec"
6731 enabled showspectrum_filter && prepend avfilter_deps "avcodec"
6732 enabled signature_filter && prepend avfilter_deps "avcodec avformat"
6733 enabled smartblur_filter && prepend avfilter_deps "swscale"
6734 enabled spectrumsynth_filter && prepend avfilter_deps "avcodec"
6735 enabled spp_filter && prepend avfilter_deps "avcodec"
6736 enabled subtitles_filter && prepend avfilter_deps "avformat avcodec"
6737 enabled uspp_filter && prepend avfilter_deps "avcodec"
6738 enabled zoompan_filter && prepend avfilter_deps "swscale"
6740 enabled lavfi_indev && prepend avdevice_deps "avfilter"
6743 enabled sdl2_outdev && add_cflags $(filter_out '-Dmain=SDL_main' $sdl2_cflags)
6745 enabled opus_decoder && prepend avcodec_deps "swresample"
6749 eval "deps=\$$lib_deps"
6750 append $lib_deps $(map 'eval echo \$${v}_deps' $deps)
6754 #we have to remove gpl from the deps here as some code assumes all lib deps are libs
6755 postproc_deps="$(filter_out 'gpl' $postproc_deps)"
6757 map 'expand_deps $v' $LIBRARY_LIST
6759 license="LGPL version 2.1 or later"
6760 if enabled nonfree; then
6761 license="nonfree and unredistributable"
6762 elif enabled gplv3; then
6763 license="GPL version 3 or later"
6764 elif enabled lgplv3; then
6765 license="LGPL version 3 or later"
6766 elif enabled gpl; then
6767 license="GPL version 2 or later"
6770 if test "$quiet" != "yes"; then
6772 echo "install prefix $prefix"
6773 echo "source path $source_path"
6774 echo "C compiler $cc"
6775 echo "C library $libc_type"
6776 if test "$host_cc" != "$cc"; then
6777 echo "host C compiler $host_cc"
6778 echo "host C library $host_libc_type"
6780 echo "ARCH $arch ($cpu)"
6781 if test "$build_suffix" != ""; then
6782 echo "build suffix $build_suffix"
6784 if test "$progs_suffix" != ""; then
6785 echo "progs suffix $progs_suffix"
6787 if test "$extra_version" != ""; then
6788 echo "version string suffix $extra_version"
6790 echo "big-endian ${bigendian-no}"
6791 echo "runtime cpu detection ${runtime_cpudetect-no}"
6792 if enabled x86; then
6793 echo "standalone assembly ${x86asm-no}"
6794 echo "x86 assembler ${x86asmexe}"
6795 echo "MMX enabled ${mmx-no}"
6796 echo "MMXEXT enabled ${mmxext-no}"
6797 echo "3DNow! enabled ${amd3dnow-no}"
6798 echo "3DNow! extended enabled ${amd3dnowext-no}"
6799 echo "SSE enabled ${sse-no}"
6800 echo "SSSE3 enabled ${ssse3-no}"
6801 echo "AESNI enabled ${aesni-no}"
6802 echo "AVX enabled ${avx-no}"
6803 echo "AVX2 enabled ${avx2-no}"
6804 echo "XOP enabled ${xop-no}"
6805 echo "FMA3 enabled ${fma3-no}"
6806 echo "FMA4 enabled ${fma4-no}"
6807 echo "i686 features enabled ${i686-no}"
6808 echo "CMOV is fast ${fast_cmov-no}"
6809 echo "EBX available ${ebx_available-no}"
6810 echo "EBP available ${ebp_available-no}"
6812 if enabled aarch64; then
6813 echo "NEON enabled ${neon-no}"
6814 echo "VFP enabled ${vfp-no}"
6816 if enabled arm; then
6817 echo "ARMv5TE enabled ${armv5te-no}"
6818 echo "ARMv6 enabled ${armv6-no}"
6819 echo "ARMv6T2 enabled ${armv6t2-no}"
6820 echo "VFP enabled ${vfp-no}"
6821 echo "NEON enabled ${neon-no}"
6822 echo "THUMB enabled ${thumb-no}"
6824 if enabled mips; then
6825 echo "MIPS FPU enabled ${mipsfpu-no}"
6826 echo "MIPS DSP R1 enabled ${mipsdsp-no}"
6827 echo "MIPS DSP R2 enabled ${mipsdspr2-no}"
6828 echo "MIPS MSA enabled ${msa-no}"
6829 echo "LOONGSON MMI enabled ${mmi-no}"
6831 if enabled ppc; then
6832 echo "AltiVec enabled ${altivec-no}"
6833 echo "VSX enabled ${vsx-no}"
6834 echo "POWER8 enabled ${power8-no}"
6835 echo "PPC 4xx optimizations ${ppc4xx-no}"
6836 echo "dcbzl available ${dcbzl-no}"
6838 echo "debug symbols ${debug-no}"
6839 echo "strip symbols ${stripping-no}"
6840 echo "optimize for size ${small-no}"
6841 echo "optimizations ${optimizations-no}"
6842 echo "static ${static-no}"
6843 echo "shared ${shared-no}"
6844 echo "postprocessing support ${postproc-no}"
6845 echo "network support ${network-no}"
6846 echo "threading support ${thread_type-no}"
6847 echo "safe bitstream reader ${safe_bitstream_reader-no}"
6848 echo "texi2html enabled ${texi2html-no}"
6849 echo "perl enabled ${perl-no}"
6850 echo "pod2man enabled ${pod2man-no}"
6851 echo "makeinfo enabled ${makeinfo-no}"
6852 echo "makeinfo supports HTML ${makeinfo_html-no}"
6853 test -n "$random_seed" &&
6854 echo "random seed ${random_seed}"
6857 echo "External libraries:"
6858 print_enabled '' $EXTERNAL_LIBRARY_LIST $EXTERNAL_AUTODETECT_LIBRARY_LIST | print_in_columns
6861 echo "External libraries providing hardware acceleration:"
6862 print_enabled '' $HWACCEL_LIBRARY_LIST $HWACCEL_AUTODETECT_LIBRARY_LIST | print_in_columns
6866 print_enabled '' $LIBRARY_LIST | print_in_columns
6870 print_enabled '' $PROGRAM_LIST | print_in_columns
6873 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
6874 echo "Enabled ${type}s:"
6875 eval list=\$$(toupper $type)_LIST
6876 print_enabled '_*' $list | print_in_columns
6880 if test -n "$ignore_tests"; then
6881 ignore_tests=$(echo $ignore_tests | tr ',' ' ')
6882 echo "Ignored FATE tests:"
6883 echo $ignore_tests | print_in_columns
6887 echo "License: $license"
6889 echo "Creating configuration files ..."
6891 fi # test "$quiet" != "yes"
6893 test -e Makefile || echo "include $source_path/Makefile" > Makefile
6895 enabled stripping || strip="echo skipping strip"
6896 enabled stripping || striptype=""
6898 config_files="$TMPH ffbuild/config.mak doc/config.texi"
6900 cat > ffbuild/config.mak <<EOF
6901 # Automatically generated by configure - do not modify!
6902 ifndef FFMPEG_CONFIG_MAK
6904 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
6906 LIBDIR=\$(DESTDIR)$libdir
6907 SHLIBDIR=\$(DESTDIR)$shlibdir
6908 INCDIR=\$(DESTDIR)$incdir
6909 BINDIR=\$(DESTDIR)$bindir
6910 DATADIR=\$(DESTDIR)$datadir
6911 DOCDIR=\$(DESTDIR)$docdir
6912 MANDIR=\$(DESTDIR)$mandir
6913 PKGCONFIGDIR=\$(DESTDIR)$pkgconfigdir
6914 INSTALL_NAME_DIR=$install_name_dir
6915 SRC_PATH=$source_path
6916 SRC_LINK=$source_link
6917 ifndef MAIN_MAKEFILE
6918 SRC_PATH:=\$(SRC_PATH:.%=..%)
6922 INTRINSICS=$intrinsics
6929 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
6931 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
6933 DEPX86ASM=$x86asmexe
6934 DEPX86ASMFLAGS=\$(X86ASMFLAGS)
6940 STRIPTYPE=$striptype
6947 OBJCFLAGS=$OBJCFLAGS
6949 NVCCFLAGS=$nvccflags
6971 LDEXEFLAGS=$LDEXEFLAGS
6972 LDSOFLAGS=$LDSOFLAGS
6973 SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
6974 ASMSTRIPFLAGS=$ASMSTRIPFLAGS
6975 X86ASMFLAGS=$X86ASMFLAGS
6976 BUILDSUF=$build_suffix
6977 PROGSSUF=$progs_suffix
6985 EXTRA_VERSION=$extra_version
6988 CCDEP_FLAGS=$CCDEP_FLAGS
6990 ASDEP_FLAGS=$ASDEP_FLAGS
6991 X86ASMDEP=$X86ASMDEP
6992 X86ASMDEP_FLAGS=$X86ASMDEP_FLAGS
6993 CC_DEPFLAGS=$CC_DEPFLAGS
6994 AS_DEPFLAGS=$AS_DEPFLAGS
6995 X86ASM_DEPFLAGS=$X86ASM_DEPFLAGS
6998 HOSTCFLAGS=$host_cflags
6999 HOSTCPPFLAGS=$host_cppflags
7000 HOSTEXESUF=$HOSTEXESUF
7001 HOSTLDFLAGS=$host_ldflags
7002 HOSTEXTRALIBS=$host_extralibs
7004 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
7005 HOSTCCDEP=$HOSTCCDEP
7006 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
7007 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
7011 TARGET_EXEC=$target_exec $target_exec_args
7012 TARGET_PATH=$target_path
7013 TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}
7014 CFLAGS-ffplay=${sdl2_cflags}
7015 CFLAGS_HEADERS=$CFLAGS_HEADERS
7016 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
7017 EXTRALIBS=$extralibs
7018 COMPAT_OBJS=$compat_objs
7020 LIBTARGET=${LIBTARGET}
7021 SLIBNAME=${SLIBNAME}
7022 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
7023 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
7024 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
7025 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
7026 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
7027 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
7028 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
7029 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
7030 VERSION_SCRIPT_POSTPROCESS_CMD=${VERSION_SCRIPT_POSTPROCESS_CMD}
7031 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
7032 NOREDZONE_FLAGS=$noredzone_flags
7033 LIBFUZZER_PATH=$libfuzzer_path
7034 IGNORE_TESTS=$ignore_tests
7037 map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> ffbuild/config.mak' $LIBRARY_LIST
7039 for entry in $LIBRARY_LIST $PROGRAM_LIST $EXTRALIBS_LIST; do
7040 eval echo "EXTRALIBS-${entry}=\$${entry}_extralibs" >> ffbuild/config.mak
7044 /* Automatically generated by configure - do not modify! */
7045 #ifndef FFMPEG_CONFIG_H
7046 #define FFMPEG_CONFIG_H
7047 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
7048 #define FFMPEG_LICENSE "$(c_escape $license)"
7049 #define CONFIG_THIS_YEAR 2017
7050 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
7051 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
7052 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
7053 #define av_restrict $_restrict
7054 #define EXTERN_PREFIX "${extern_prefix}"
7055 #define EXTERN_ASM ${extern_prefix}
7056 #define BUILDSUF "$build_suffix"
7057 #define SLIBSUF "$SLIBSUF"
7058 #define HAVE_MMX2 HAVE_MMXEXT
7059 #define SWS_MAX_FILTER_SIZE $sws_max_filter_size
7062 test -n "$assert_level" &&
7063 echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
7065 test -n "$malloc_prefix" &&
7066 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
7068 if enabled x86asm; then
7069 append config_files $TMPASM
7073 enabled getenv || echo "#define getenv(x) NULL" >> $TMPH
7079 echo "@c auto-generated by configure - do not modify! " > doc/config.texi
7081 print_config ARCH_ "$config_files" $ARCH_LIST
7082 print_config HAVE_ "$config_files" $HAVE_LIST
7083 print_config CONFIG_ "$config_files" $CONFIG_LIST \
7087 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
7088 echo "endif # FFMPEG_CONFIG_MAK" >> ffbuild/config.mak
7090 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
7091 cp_if_changed $TMPH config.h
7092 touch ffbuild/.config
7094 enabled x86asm && cp_if_changed $TMPASM config.asm
7097 /* Generated by ffconf */
7098 #ifndef AVUTIL_AVCONFIG_H
7099 #define AVUTIL_AVCONFIG_H
7102 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
7104 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
7106 cp_if_changed $TMPH libavutil/avconfig.h
7108 # generate the lists of enabled components
7109 print_enabled_components(){
7114 echo "static const $struct_name * const $name[] = {" > $TMPH
7116 enabled $c && printf " &ff_%s,\n" $c >> $TMPH
7118 echo " NULL };" >> $TMPH
7119 cp_if_changed $TMPH $file
7122 print_enabled_components libavcodec/bsf_list.c AVBitStreamFilter bitstream_filters $BSF_LIST
7123 print_enabled_components libavformat/protocol_list.c URLProtocol url_protocols $PROTOCOL_LIST
7125 if test -n "$WARNINGS"; then
7126 printf "\n%s%s$WARNINGS%s" "$warn_color" "$bold_color" "$reset_color"
7127 enabled fatal_warnings && exit 1
7130 # Settings for pkg-config files
7132 cat > ffbuild/config.sh <<EOF
7133 # Automatically generated by configure - do not modify!
7135 build_suffix=$build_suffix
7139 rpath=$(enabled rpath && echo "-Wl,-rpath,\${libdir}")
7140 source_path=${source_path}
7143 extralibs_avutil="$avutil_extralibs"
7144 extralibs_avcodec="$avcodec_extralibs"
7145 extralibs_avformat="$avformat_extralibs"
7146 extralibs_avdevice="$avdevice_extralibs"
7147 extralibs_avfilter="$avfilter_extralibs"
7148 extralibs_avresample="$avresample_extralibs"
7149 extralibs_postproc="$postproc_extralibs"
7150 extralibs_swscale="$swscale_extralibs"
7151 extralibs_swresample="$swresample_extralibs"
7154 for lib in $LIBRARY_LIST; do
7155 lib_deps="$(eval echo \$${lib}_deps)"
7156 echo ${lib}_deps=\"$lib_deps\" >> ffbuild/config.sh