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:$PATH
61 Usage: configure [options]
62 Options: [defaults in brackets after descriptions]
65 --help print this message
66 --quiet Suppress showing informative output
67 --list-decoders show all available decoders
68 --list-encoders show all available encoders
69 --list-hwaccels show all available hardware accelerators
70 --list-demuxers show all available demuxers
71 --list-muxers show all available muxers
72 --list-parsers show all available parsers
73 --list-protocols show all available protocols
74 --list-bsfs show all available bitstream filters
75 --list-indevs show all available input devices
76 --list-outdevs show all available output devices
77 --list-filters show all available filters
80 --logfile=FILE log tests and output to FILE [config.log]
81 --disable-logging do not log configure debug information
82 --fatal-warnings fail if any configure warning is generated
83 --prefix=PREFIX install in PREFIX [$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 --enable-raise-major increase major version numbers in sonames [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
189 External library support:
191 Using any of the following switches will allow FFmpeg to link to the
192 corresponding external library. All the components depending on that library
193 will become enabled, if all their other dependencies are met and they are not
194 explicitly disabled. E.g. --enable-libwavpack will enable linking to
195 libwavpack and allow the libwavpack encoder to be built, unless it is
196 specifically disabled with --disable-encoder=libwavpack.
198 Note that only the system libraries are auto-detected. All the other external
199 libraries must be explicitly enabled.
201 Also note that the following help text describes the purpose of the libraries
202 themselves, not all their features will necessarily be usable by FFmpeg.
204 --enable-avisynth enable reading of AviSynth script files [no]
205 --disable-bzlib disable bzlib [autodetect]
206 --enable-chromaprint enable audio fingerprinting with chromaprint [no]
207 --enable-frei0r enable frei0r video filtering [no]
208 --enable-gcrypt enable gcrypt, needed for rtmp(t)e support
209 if openssl, librtmp or gmp is not used [no]
210 --enable-gmp enable gmp, needed for rtmp(t)e support
211 if openssl or librtmp is not used [no]
212 --enable-gnutls enable gnutls, needed for https support
213 if openssl is not used [no]
214 --disable-iconv disable iconv [autodetect]
215 --enable-jni enable JNI support [no]
216 --enable-ladspa enable LADSPA audio filtering [no]
217 --enable-libass enable libass subtitles rendering,
218 needed for subtitles and ass filter [no]
219 --enable-libbluray enable BluRay reading using libbluray [no]
220 --enable-libbs2b enable bs2b DSP library [no]
221 --enable-libcaca enable textual display using libcaca [no]
222 --enable-libcelt enable CELT decoding via libcelt [no]
223 --enable-libcdio enable audio CD grabbing with libcdio [no]
224 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
226 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
227 --enable-libflite enable flite (voice synthesis) support via libflite [no]
228 --enable-libfontconfig enable libfontconfig, useful for drawtext filter [no]
229 --enable-libfreetype enable libfreetype, needed for drawtext filter [no]
230 --enable-libfribidi enable libfribidi, improves drawtext filter [no]
231 --enable-libgme enable Game Music Emu via libgme [no]
232 --enable-libgsm enable GSM de/encoding via libgsm [no]
233 --enable-libiec61883 enable iec61883 via libiec61883 [no]
234 --enable-libilbc enable iLBC de/encoding via libilbc [no]
235 --enable-libkvazaar enable HEVC encoding via libkvazaar [no]
236 --enable-libmodplug enable ModPlug via libmodplug [no]
237 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
238 --enable-libnut enable NUT (de)muxing via libnut,
239 native (de)muxer exists [no]
240 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
241 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
242 --enable-libopencv enable video filtering via libopencv [no]
243 --enable-libopenh264 enable H.264 encoding via OpenH264 [no]
244 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
245 --enable-libopenmpt enable decoding tracked files via libopenmpt [no]
246 --enable-libopus enable Opus de/encoding via libopus [no]
247 --enable-libpulse enable Pulseaudio input via libpulse [no]
248 --enable-librubberband enable rubberband needed for rubberband filter [no]
249 --enable-librtmp enable RTMP[E] support via librtmp [no]
250 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
251 --enable-libshine enable fixed-point MP3 encoding via libshine [no]
252 --enable-libsmbclient enable Samba protocol via libsmbclient [no]
253 --enable-libsnappy enable Snappy compression, needed for hap encoding [no]
254 --enable-libsoxr enable Include libsoxr resampling [no]
255 --enable-libspeex enable Speex de/encoding via libspeex [no]
256 --enable-libssh enable SFTP protocol via libssh [no]
257 --enable-libtesseract enable Tesseract, needed for ocr filter [no]
258 --enable-libtheora enable Theora encoding via libtheora [no]
259 --enable-libtwolame enable MP2 encoding via libtwolame [no]
260 --enable-libv4l2 enable libv4l2/v4l-utils [no]
261 --enable-libvidstab enable video stabilization using vid.stab [no]
262 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
263 --enable-libvorbis enable Vorbis en/decoding via libvorbis,
264 native implementation exists [no]
265 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
266 --enable-libwavpack enable wavpack encoding via libwavpack [no]
267 --enable-libwebp enable WebP encoding via libwebp [no]
268 --enable-libx264 enable H.264 encoding via x264 [no]
269 --enable-libx265 enable HEVC encoding via x265 [no]
270 --enable-libxavs enable AVS encoding via xavs [no]
271 --enable-libxcb enable X11 grabbing using XCB [autodetect]
272 --enable-libxcb-shm enable X11 grabbing shm communication [autodetect]
273 --enable-libxcb-xfixes enable X11 grabbing mouse rendering [autodetect]
274 --enable-libxcb-shape enable X11 grabbing shape rendering [autodetect]
275 --enable-libxvid enable Xvid encoding via xvidcore,
276 native MPEG-4/Xvid encoder exists [no]
277 --enable-libzimg enable z.lib, needed for zscale filter [no]
278 --enable-libzmq enable message passing via libzmq [no]
279 --enable-libzvbi enable teletext support via libzvbi [no]
280 --disable-lzma disable lzma [autodetect]
281 --enable-decklink enable Blackmagic DeckLink I/O support [no]
282 --enable-mediacodec enable Android MediaCodec support [no]
283 --enable-netcdf enable NetCDF, needed for sofalizer filter [no]
284 --enable-openal enable OpenAL 1.1 capture support [no]
285 --enable-opencl enable OpenCL code
286 --enable-opengl enable OpenGL rendering [no]
287 --enable-openssl enable openssl, needed for https support
288 if gnutls is not used [no]
289 --disable-schannel disable SChannel SSP, needed for TLS support on
290 Windows if openssl and gnutls are not used [autodetect]
291 --disable-sdl2 disable sdl2 [autodetect]
292 --disable-securetransport disable Secure Transport, needed for TLS support
293 on OSX if openssl and gnutls are not used [autodetect]
294 --disable-xlib disable xlib [autodetect]
295 --disable-zlib disable zlib [autodetect]
297 The following libraries provide various hardware acceleration features:
298 --disable-audiotoolbox disable Apple AudioToolbox code [autodetect]
299 --disable-cuda disable dynamically linked Nvidia CUDA code [autodetect]
300 --disable-cuvid disable Nvidia CUVID support [autodetect]
301 --disable-d3d11va disable Microsoft Direct3D 11 video acceleration code [autodetect]
302 --disable-dxva2 disable Microsoft DirectX 9 video acceleration code [autodetect]
303 --enable-libmfx enable Intel MediaSDK (AKA Quick Sync Video) code via libmfx [no]
304 --enable-libnpp enable Nvidia Performance Primitives-based code [no]
305 --enable-mmal enable Broadcom Multi-Media Abstraction Layer (Raspberry Pi) via MMAL [no]
306 --disable-nvenc disable Nvidia video encoding code [autodetect]
307 --enable-omx enable OpenMAX IL code [no]
308 --enable-omx-rpi enable OpenMAX IL code for Raspberry Pi [no]
309 --disable-vaapi disable Video Acceleration API (mainly Unix/Intel) code [autodetect]
310 --disable-vda disable Apple Video Decode Acceleration code [autodetect]
311 --disable-vdpau disable Nvidia Video Decode and Presentation API for Unix code [autodetect]
312 --disable-videotoolbox disable VideoToolbox code [autodetect]
315 --arch=ARCH select architecture [$arch]
316 --cpu=CPU select the minimum required CPU (affects
317 instruction selection, may crash on older CPUs)
318 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
319 --progs-suffix=SUFFIX program name suffix []
320 --enable-cross-compile assume a cross-compiler is used
321 --sysroot=PATH root of cross-build tree
322 --sysinclude=PATH location of cross-build system headers
323 --target-os=OS compiler targets OS [$target_os]
324 --target-exec=CMD command to run executables on target
325 --target-path=DIR path to view of build directory on target
326 --target-samples=DIR path to samples directory on target
327 --tempprefix=PATH force fixed dir/prefix instead of mktemp for checks
328 --toolchain=NAME set tool defaults according to NAME
329 --nm=NM use nm tool NM [$nm_default]
330 --ar=AR use archive tool AR [$ar_default]
331 --as=AS use assembler AS [$as_default]
332 --ln_s=LN_S use symbolic link tool LN_S [$ln_s_default]
333 --strip=STRIP use strip tool STRIP [$strip_default]
334 --windres=WINDRES use windows resource compiler WINDRES [$windres_default]
335 --yasmexe=EXE use yasm-compatible assembler EXE [$yasmexe_default]
336 --cc=CC use C compiler CC [$cc_default]
337 --cxx=CXX use C compiler CXX [$cxx_default]
338 --objcc=OCC use ObjC compiler OCC [$cc_default]
339 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
340 --ld=LD use linker LD [$ld_default]
341 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
342 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
343 --ranlib=RANLIB use ranlib RANLIB [$ranlib_default]
344 --doxygen=DOXYGEN use DOXYGEN to generate API doc [$doxygen_default]
345 --host-cc=HOSTCC use host C compiler HOSTCC
346 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
347 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
348 --host-ld=HOSTLD use host linker HOSTLD
349 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
350 --host-libs=HLIBS use libs HLIBS when linking for host
351 --host-os=OS compiler host OS [$target_os]
352 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
353 --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
354 --extra-objcflags=FLAGS add FLAGS to OBJCFLAGS [$CFLAGS]
355 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
356 --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
357 --extra-ldlibflags=ELDFLAGS add ELDFLAGS to LDLIBFLAGS [$LDLIBFLAGS]
358 --extra-libs=ELIBS add ELIBS [$ELIBS]
359 --extra-version=STRING version string suffix []
360 --optflags=OPTFLAGS override optimization-related compiler flags
361 --build-suffix=SUFFIX library name suffix []
362 --enable-pic build position-independent code
363 --enable-thumb compile for Thumb instruction set
364 --enable-lto use link-time optimization
365 --env="ENV=override" override the environment variables
367 Advanced options (experts only):
368 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
369 --custom-allocator=NAME use a supported custom allocator
370 --disable-symver disable symbol versioning
371 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
372 --disable-safe-bitstream-reader
373 disable buffer boundary checking in bitreaders
374 (faster, but may crash)
375 --sws-max-filter-size=N the max filter size swscale uses [$sws_max_filter_size_default]
377 Optimization options (experts only):
378 --disable-asm disable all assembly optimizations
379 --disable-altivec disable AltiVec optimizations
380 --disable-vsx disable VSX optimizations
381 --disable-power8 disable POWER8 optimizations
382 --disable-amd3dnow disable 3DNow! optimizations
383 --disable-amd3dnowext disable 3DNow! extended optimizations
384 --disable-mmx disable MMX optimizations
385 --disable-mmxext disable MMXEXT optimizations
386 --disable-sse disable SSE optimizations
387 --disable-sse2 disable SSE2 optimizations
388 --disable-sse3 disable SSE3 optimizations
389 --disable-ssse3 disable SSSE3 optimizations
390 --disable-sse4 disable SSE4 optimizations
391 --disable-sse42 disable SSE4.2 optimizations
392 --disable-avx disable AVX optimizations
393 --disable-xop disable XOP optimizations
394 --disable-fma3 disable FMA3 optimizations
395 --disable-fma4 disable FMA4 optimizations
396 --disable-avx2 disable AVX2 optimizations
397 --disable-aesni disable AESNI optimizations
398 --disable-armv5te disable armv5te optimizations
399 --disable-armv6 disable armv6 optimizations
400 --disable-armv6t2 disable armv6t2 optimizations
401 --disable-vfp disable VFP optimizations
402 --disable-neon disable NEON optimizations
403 --disable-inline-asm disable use of inline assembly
404 --disable-yasm disable use of nasm/yasm assembly
405 --disable-mipsdsp disable MIPS DSP ASE R1 optimizations
406 --disable-mipsdspr2 disable MIPS DSP ASE R2 optimizations
407 --disable-msa disable MSA optimizations
408 --disable-mipsfpu disable floating point MIPS optimizations
409 --disable-mmi disable Loongson SIMD optimizations
410 --disable-fast-unaligned consider unaligned accesses slow
412 Developer options (useful when working on FFmpeg itself):
413 --disable-debug disable debugging symbols
414 --enable-debug=LEVEL set the debug level [$debuglevel]
415 --disable-optimizations disable compiler optimizations
416 --enable-extra-warnings enable more compiler warnings
417 --disable-stripping disable stripping of executables and shared libraries
418 --assert-level=level 0(default), 1 or 2, amount of assertion testing,
419 2 causes a slowdown at runtime.
420 --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
421 --valgrind=VALGRIND run "make fate" tests through valgrind to detect memory
422 leaks and errors, using the specified valgrind binary.
423 Cannot be combined with --target-exec
424 --enable-ftrapv Trap arithmetic overflows
425 --samples=PATH location of test samples for FATE, if not set use
426 \$FATE_SAMPLES at make invocation time.
427 --enable-neon-clobber-test check NEON registers for clobbering (should be
428 used only for debugging purposes)
429 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
430 should be used only for debugging purposes)
431 --enable-random randomly enable/disable components
433 --enable-random=LIST randomly enable/disable specific components or
434 --disable-random=LIST component groups. LIST is a comma-separated list
435 of NAME[:PROB] entries where NAME is a component
436 (group) and PROB the probability associated with
438 --random-seed=VALUE seed value for --enable/disable-random
439 --disable-valgrind-backtrace do not print a backtrace under Valgrind
440 (only applies to --disable-optimizations builds)
442 NOTE: Object files are built at the place where configure is launched.
448 if test -t 1 && which tput >/dev/null 2>&1; then
449 ncolors=$(tput colors)
450 if test -n "$ncolors" && test $ncolors -ge 8; then
451 bold_color=$(tput bold)
452 warn_color=$(tput setaf 3)
453 error_color=$(tput setaf 1)
454 reset_color=$(tput sgr0)
456 # 72 used instead of 80 since that's the default of pr
462 echo "$@" >> $logfile
467 pr -n -t $1 >> $logfile
473 WARNINGS="${WARNINGS}WARNING: $*\n"
478 echo "$error_color$bold_color$@$reset_color"
481 If you think configure made a mistake, make sure you are using the latest
482 version from Git. If the latest version fails, report the problem to the
483 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
485 if disabled logging; then
487 Rerun configure with logging enabled (do not use --disable-logging), and
488 include the log this produces with your report.
492 Include the log file "$logfile" produced by configure as this will help
499 # Avoid locale weirdness, besides we really just want to translate ASCII.
501 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
505 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
509 echo "$*" | sed 's/["\\]/\\\0/g'
513 v=$(echo "$1" | sed "s/'/'\\\\''/g")
514 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
519 echo "$@" | sed 's/^ *//;s/[[:space:]][[:space:]]*/ /g;s/ *$//'
526 eval "case $v in $pat) printf '%s ' $v ;; esac"
534 eval "case $v in $pat) ;; *) printf '%s ' $v ;; esac"
541 for v; do eval $m; done
547 for v; do echo ${v}${suffix}; done
562 eval : \${$var:=$value}
567 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
573 eval $(sanitize_var_name "$var")='$*'
577 eval echo \$$(sanitize_var_name "$1")
582 eval level=\${${pvar}_level:=0}
583 eval ${pvar}_${level}="\$$pvar"
584 eval ${pvar}_level=$(($level+1))
590 eval level=\${${pvar}_level:-0}
591 test $level = 0 && continue
592 eval level=$(($level-1))
593 eval $pvar="\${${pvar}_${level}}"
594 eval ${pvar}_level=$level
595 eval unset ${pvar}_${level}
601 eval ${var}_requested=yes
624 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
630 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
636 enabled $var && continue
637 eval sel="\$${var}_select"
638 eval sgs="\$${var}_suggest"
642 enable_deep_weak $sgs
654 disabled $var && continue
663 test "${1#!}" = "$1" && op='=' || op=!=
664 eval test "x\$${1#!}_requested" $op "xyes"
668 test "${1#!}" = "$1" && op='=' || op=!=
669 eval test "x\$${1#!}" $op "xyes"
673 test "${1#!}" = "$1" && op='=' || op=!=
674 eval test "x\$${1#!}" $op "xno"
679 enabled $opt || return 1
685 disabled $opt || return 1
691 enabled $opt && return 0
697 disabled $opt && return 0
704 eval : \${$opt:=\$${opt}_default}
712 [ $var = $value ] && return 0
720 enabled ${cfg}_checking && die "Circular dependency for $cfg."
721 disabled ${cfg}_checking && continue
722 enable ${cfg}_checking
725 eval dep_all="\$${cfg}_deps"
726 eval dep_any="\$${cfg}_deps_any"
727 eval dep_sel="\$${cfg}_select"
728 eval dep_sgs="\$${cfg}_suggest"
729 eval dep_ifa="\$${cfg}_if"
730 eval dep_ifn="\$${cfg}_if_any"
732 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
733 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
734 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
736 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
737 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
738 enabled_all $dep_all || { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but not all dependencies are satisfied: $dep_all"; }
739 enabled_any $dep_any || { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but not any dependency is satisfied: $dep_any"; }
740 disabled_any $dep_sel && { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but some selected dependency is unsatisfied: $dep_sel"; }
742 if enabled $cfg; then
744 enable_deep_weak $dep_sgs
747 disable ${cfg}_checking
756 for cfg in $allopts; do
757 enabled $cfg || continue
758 eval dep_extralibs="\$${cfg}_extralibs"
759 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
767 map 'eval echo "$v \${$v:-no}"' "$@" |
768 awk "BEGIN { split(\"$files\", files) }
770 c = \"$pfx\" toupper(\$1);
776 if (file ~ /\\.h\$/) {
777 printf(\"#define %s %d\\n\", c, v) >>file;
778 } else if (file ~ /\\.asm\$/) {
779 printf(\"%%define %s %d\\n\", c, v) >>file;
780 } else if (file ~ /\\.mak\$/) {
781 n = -v ? \"\" : \"!\";
782 printf(\"%s%s=yes\\n\", n, c) >>file;
783 } else if (file ~ /\\.texi\$/) {
784 pre = -v ? \"\" : \"@c \";
787 gsub(/_/, \"-\", c2);
788 printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
798 enabled $v && printf "%s\n" ${v%$suf}
805 eval "$var=\"\$$var $*\""
811 eval "$var=\"$* \$$var\""
817 for tok in $(eval echo \$$var); do
818 uniq_list="$(filter_out $tok $uniq_list) $tok"
820 eval "$var=\"${uniq_list}\""
828 append CFLAGS $($cflags_filter "$@")
831 add_cflags_headers(){
832 append CFLAGS_HEADERS $($cflags_filter "$@")
836 append CXXFLAGS $($cflags_filter "$@")
840 append ASFLAGS $($asflags_filter "$@")
844 append OBJCFLAGS $($objcflags_filter "$@")
848 append LDFLAGS $($ldflags_filter "$@")
852 append LDEXEFLAGS $($ldflags_filter "$@")
856 append LDLIBFLAGS $($ldflags_filter "$@")
860 append ASMSTRIPFLAGS "$@"
864 prepend extralibs $($ldflags_filter "$@")
868 append host_cppflags "$@"
872 append host_cflags $($host_cflags_filter "$@")
876 append host_ldflags $($host_ldflags_filter "$@")
880 append compat_objs $1
882 map 'add_cppflags -D$v' "$@"
887 "$@" >> $logfile 2>&1
892 stat "$1" >> $logfile 2>&1
896 eval printf '%s\\n' $CC_O
900 eval printf '%s\\n' $CC_E
907 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
914 check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
921 check_cmd $objcc -Werror=missing-prototypes $CPPFLAGS $CFLAGS $OBJCFLAGS "$@" $OBJCC_C $(cc_o $TMPO) $TMPM
928 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
932 eval printf '%s\\n' $AS_O
939 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
943 log check_inline_asm "$@"
948 check_cc "$@" <<EOF && enable $name
949 void foo(void){ __asm__ volatile($code); }
953 check_inline_asm_flags(){
954 log check_inline_asm_flags "$@"
959 while [ "$1" != "" ]; do
965 void foo(void){ __asm__ volatile($code); }
968 check_cmd $cc $CPPFLAGS $CFLAGS $flags "$@" $CC_C $(cc_o $TMPO) $TMPC &&
969 enable $name && add_cflags $flags && add_asflags $flags && add_ldflags $flags
974 check_inline_asm ${1}_inline "\"$2\""
975 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
983 check_cmd $yasmexe $YASMFLAGS -Werror "$@" -o $TMPO $TMPS
987 eval printf '%s\\n' $LD_O
994 flags=$(filter_out '-l*|*.so' $@)
995 libs=$(filter '-l*|*.so' $@)
996 check_$type $($cflags_filter $flags) || return
997 flags=$($ldflags_filter $flags)
998 libs=$($ldflags_filter $libs)
999 check_cmd $ld $LDFLAGS $LDEXEFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
1004 test "${hdr%.h}" = "${hdr}" &&
1005 echo "#include $hdr" ||
1006 echo "#include <$hdr>"
1016 for hdr in $headers; do
1019 echo "int main(void) { $code; return 0; }"
1020 } | check_$check "$@"
1024 log check_cppflags "$@"
1025 check_cpp "$@" <<EOF && append CPPFLAGS "$@"
1031 log test_cflags "$@"
1032 set -- $($cflags_filter "$@")
1039 log check_cflags "$@"
1040 test_cflags "$@" && add_cflags "$@"
1044 log check_cxxflags "$@"
1045 set -- $($cflags_filter "$@")
1046 check_cxx "$@" <<EOF && append CXXFLAGS "$@"
1052 log test_objcflags "$@"
1053 set -- $($objcflags_filter "$@")
1054 check_objcc "$@" <<EOF
1060 log check_objcflags "$@"
1061 test_objcflags "$@" && add_objcflags "$@"
1065 log test_ldflags "$@"
1066 check_ld "cc" "$@" <<EOF
1067 int main(void){ return 0; }
1072 log check_ldflags "$@"
1073 test_ldflags "$@" && add_ldflags "$@"
1077 log test_stripflags "$@"
1078 # call check_cc to get a fresh TMPO
1080 int main(void) { return 0; }
1082 check_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO
1086 log check_stripflags "$@"
1087 test_stripflags "$@" && add_stripflags "$@"
1091 log check_header "$@"
1094 disable_safe $header
1095 check_cpp "$@" <<EOF && enable_safe $header
1101 check_header_objcc(){
1102 log check_header_objcc "$@"
1106 disable_safe $header
1108 echo "#include <$header>"
1109 echo "int main(void) { return 0; }"
1110 } | check_objcc && check_stat "$TMPO" && enable_safe $headers
1118 check_ld "cc" "$@" <<EOF && enable $func
1120 int main(void){ $func(); }
1124 check_complexfunc(){
1125 log check_complexfunc "$@"
1129 test $narg = 2 && args="f, g" || args="f * I"
1131 check_ld "cc" "$@" <<EOF && enable $func
1132 #include <complex.h>
1134 float foo(complex float f, complex float g) { return $func($args); }
1135 int main(void){ return (int) foo; }
1140 log check_mathfunc "$@"
1144 test $narg = 2 && args="f, g" || args="f"
1146 check_ld "cc" "$@" <<EOF && enable $func
1148 float foo(float f, float g) { return $func($args); }
1149 int main(void){ return (int) foo; }
1153 check_func_headers(){
1154 log check_func_headers "$@"
1159 for hdr in $headers; do
1162 echo "#include <stdint.h>"
1163 for func in $funcs; do
1164 echo "long check_$func(void) { return (long) $func; }"
1166 echo "int main(void) { int ret = 0;"
1167 # LTO could optimize out the test functions without this
1168 for func in $funcs; do
1169 echo " ret |= ((intptr_t)check_$func) & 0xFFFF;"
1171 echo "return ret; }"
1172 } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
1175 check_class_headers_cpp(){
1176 log check_class_headers_cpp "$@"
1181 for hdr in $headers; do
1182 echo "#include <$hdr>"
1184 echo "int main(void) { "
1186 for class in $classes; do
1187 echo "$class obj$i;"
1191 } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
1194 check_cpp_condition(){
1195 log check_cpp_condition "$@"
1199 check_cpp "$@" <<EOF
1202 #error "unsatisfied condition: $condition"
1208 log test_cflags_cc "$@"
1213 set -- $($cflags_filter "$flags")
1217 #error "unsatisfied condition: $condition"
1227 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
1231 log check_lib_cpp "$@"
1235 check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
1239 log check_pkg_config "$@"
1245 check_cmd $pkg_config --exists --print-errors $pkg_version || return
1246 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1247 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1248 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1249 set_safe "${pkg}_cflags" $pkg_cflags &&
1250 set_safe "${pkg}_libs" $pkg_libs
1254 check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1258 log check_exec_crash "$@"
1261 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1262 # are safe but may not be available everywhere. Thus we use
1263 # raise(SIGTERM) instead. The check is run in a subshell so we
1264 # can redirect the "Terminated" message from the shell. SIGBUS
1265 # is not defined by standard C so it is used conditionally.
1267 (check_exec "$@") >> $logfile 2>&1 <<EOF
1269 static void sighandler(int sig){
1275 int (*func_ptr)(void) = foo;
1277 signal(SIGILL, sighandler);
1278 signal(SIGFPE, sighandler);
1279 signal(SIGSEGV, sighandler);
1281 signal(SIGBUS, sighandler);
1293 disable_safe "$type"
1294 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1298 log check_struct "$@"
1303 disable_safe "${struct}_${member}"
1304 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1305 enable_safe "${struct}_${member}"
1309 log check_builtin "$@"
1315 check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1318 check_compile_assert(){
1319 log check_compile_assert "$@"
1325 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1334 check_lib "$headers" $func "$@" || die "ERROR: $name_version not found"
1342 check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1346 log use_pkg_config "$@"
1348 check_pkg_config "$@" || return 1
1349 add_cflags $(get_safe "${pkg}_cflags")
1350 add_extralibs $(get_safe "${pkg}_libs")
1353 require_pkg_config(){
1354 use_pkg_config "$@" || die "ERROR: $pkg not found using pkg-config$pkg_config_fail_message"
1357 require_libfreetype(){
1358 log require_libfreetype "$@"
1360 check_cmd $pkg_config --exists --print-errors $pkg \
1361 || die "ERROR: $pkg not found"
1362 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1363 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1365 echo "#include <ft2build.h>"
1366 echo "#include FT_FREETYPE_H"
1367 echo "long check_func(void) { return (long) FT_Init_FreeType; }"
1368 echo "int main(void) { return 0; }"
1369 } | check_ld "cc" $pkg_cflags $pkg_libs \
1370 && set_safe "${pkg}_cflags" $pkg_cflags \
1371 && set_safe "${pkg}_libs" $pkg_libs \
1372 || die "ERROR: $pkg not found"
1373 add_cflags $(get_safe "${pkg}_cflags")
1374 add_extralibs $(get_safe "${pkg}_libs")
1378 eval printf '%s\\n' $HOSTCC_E
1382 eval printf '%s\\n' $HOSTCC_O
1386 log check_host_cc "$@"
1389 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1393 log check_host_cpp "$@"
1396 check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1399 check_host_cppflags(){
1400 log check_host_cppflags "$@"
1401 check_host_cpp "$@" <<EOF && append host_cppflags "$@"
1406 check_host_cflags(){
1407 log check_host_cflags "$@"
1408 set -- $($host_cflags_filter "$@")
1409 check_host_cc "$@" <<EOF && append host_cflags "$@"
1414 check_host_cpp_condition(){
1415 log check_host_cpp_condition "$@"
1419 check_host_cpp "$@" <<EOF
1422 #error "unsatisfied condition: $condition"
1428 cmp -s "$1" "$2" && { test "$quiet" != "yes" && echo "$2 is unchanged"; } && return
1429 mkdir -p "$(dirname $2)"
1433 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1434 # system-dependent things.
1436 AVCODEC_COMPONENTS="
1444 AVDEVICE_COMPONENTS="
1448 AVFILTER_COMPONENTS="
1451 AVFORMAT_COMPONENTS="
1457 AVRESAMPLE_COMPONENTS=""
1458 AVUTIL_COMPONENTS=""
1462 $AVDEVICE_COMPONENTS
1463 $AVFILTER_COMPONENTS
1464 $AVFORMAT_COMPONENTS
1465 $AVRESAMPLE_COMPONENTS
1470 avio_dir_cmd_example
1471 avio_reading_example
1472 decode_audio_example
1473 decode_video_example
1474 demuxing_decoding_example
1475 encode_audio_example
1476 encode_video_example
1478 filter_audio_example
1479 filtering_audio_example
1480 filtering_video_example
1481 http_multiclient_example
1486 resampling_audio_example
1487 scaling_video_example
1488 transcode_aac_example
1491 EXTERNAL_AUTODETECT_LIBRARY_LIST="
1507 EXTERNAL_LIBRARY_GPL_LIST="
1519 EXTERNAL_LIBRARY_NONFREE_LIST="
1525 EXTERNAL_LIBRARY_VERSION3_LIST="
1532 EXTERNAL_LIBRARY_GPLV3_LIST="
1536 EXTERNAL_LIBRARY_LIST="
1537 $EXTERNAL_AUTODETECT_LIBRARY_LIST
1538 $EXTERNAL_LIBRARY_GPL_LIST
1539 $EXTERNAL_LIBRARY_NONFREE_LIST
1540 $EXTERNAL_LIBRARY_VERSION3_LIST
1541 $EXTERNAL_LIBRARY_GPLV3_LIST
1598 HWACCEL_AUTODETECT_LIBRARY_LIST="
1608 videotoolbox_hwaccel
1612 HWACCEL_LIBRARY_NONFREE_LIST="
1616 HWACCEL_LIBRARY_LIST="
1617 $HWACCEL_AUTODETECT_LIBRARY_LIST
1618 $HWACCEL_LIBRARY_NONFREE_LIST
1638 safe_bitstream_reader
1685 # COMPONENT_LIST needs to come last to ensure correct dependency checking
1689 $EXTERNAL_LIBRARY_LIST
1690 $HWACCEL_LIBRARY_LIST
1720 $EXTERNAL_AUTODETECT_LIBRARY_LIST
1721 $HWACCEL_AUTODETECT_LIBRARY_LIST
1763 ARCH_EXT_LIST_MIPS="
1775 ARCH_EXT_LIST_LOONGSON="
1781 ARCH_EXT_LIST_X86_SIMD="
1810 $ARCH_EXT_LIST_X86_SIMD
1820 $ARCH_EXT_LIST_LOONGSON
1843 sync_val_compare_and_swap
1862 cdio_paranoia_paranoia_h
1865 dev_bktr_ioctl_bt848_h
1866 dev_bktr_ioctl_meteor_h
1868 dev_video_bktr_ioctl_bt848_h
1869 dev_video_meteor_ioctl_meteor_h
1879 machine_ioctl_bt848_h
1880 machine_ioctl_meteor_h
1882 opencv2_core_core_c_h
1883 openjpeg_2_1_openjpeg_h
1884 openjpeg_2_0_openjpeg_h
1885 openjpeg_1_5_openjpeg_h
1964 GetProcessAffinityMask
1965 GetProcessMemoryInfo
1968 GetSystemTimeAsFileTime
1975 jack_port_get_latency_range
1992 SetConsoleTextAttribute
1993 SetConsoleCtrlHandler
2001 UTGetOSTypeFromString
2006 TOOLCHAIN_FEATURES="
2019 inline_asm_direct_symbol_refs
2021 inline_asm_nonlocal_labels
2032 CONDITION_VARIABLE_Ptr
2035 struct_group_source_req
2036 struct_ip_mreq_source
2038 struct_msghdr_msg_flags
2040 struct_rusage_ru_maxrss
2041 struct_sctp_event_subscribe
2043 struct_sockaddr_sa_len
2044 struct_sockaddr_storage
2045 struct_stat_st_mtim_tv_nsec
2046 struct_v4l2_frmivalenum_discrete
2051 $(add_suffix _external $ARCH_EXT_LIST)
2052 $(add_suffix _inline $ARCH_EXT_LIST)
2073 MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS
2086 # options emitted with CONFIG_ prefix but not available on the command line
2103 frame_thread_encoder
2256 # code dependency declarations
2258 # architecture extensions
2263 armv8_deps="aarch64"
2264 neon_deps_any="aarch64 arm"
2265 intrinsics_neon_deps="neon"
2266 vfp_deps_any="aarch64 arm"
2270 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
2272 loongson2_deps="mips"
2273 loongson3_deps="mips"
2276 mipsdspr2_deps="mips"
2277 mips32r2_deps="mips"
2278 mips32r5_deps="mips"
2279 mips32r6_deps="mips"
2280 mips64r2_deps="mips"
2281 mips64r6_deps="mips"
2293 x86_64_select="i686"
2294 x86_64_suggest="fast_cmov"
2297 amd3dnowext_deps="amd3dnow"
2314 mmx_external_deps="yasm"
2315 mmx_inline_deps="inline_asm"
2316 mmx_suggest="mmx_external mmx_inline"
2318 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
2319 eval dep=\$${ext}_deps
2320 eval ${ext}_external_deps='"${dep}_external"'
2321 eval ${ext}_inline_deps='"${dep}_inline"'
2322 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
2325 aligned_stack_if_any="aarch64 ppc x86"
2326 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
2327 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
2328 fast_unaligned_if_any="aarch64 ppc x86"
2329 simd_align_16_if_any="altivec neon sse"
2330 simd_align_32_if_any="avx"
2332 # system capabilities
2333 symver_if_any="symver_asm_label symver_gnu_asm"
2334 valgrind_backtrace_deps="!optimizations valgrind_valgrind_h"
2337 atomics_gcc_if="sync_val_compare_and_swap"
2338 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
2339 atomics_win32_if="MemoryBarrier"
2340 atomics_native_if_any="$ATOMICS_LIST"
2341 w32threads_deps="atomics_native"
2342 threads_if_any="$THREADS_LIST"
2346 dirac_parse_select="golomb"
2347 error_resilience_select="me_cmp"
2348 faandct_deps="faan fdctdsp"
2349 faanidct_deps="faan idctdsp"
2350 h264dsp_select="startcode"
2351 hevcparse_select="golomb"
2352 frame_thread_encoder_deps="encoders threads"
2353 intrax8_select="blockdsp idctdsp"
2356 me_cmp_select="fdctdsp idctdsp pixblockdsp"
2357 mpeg_er_select="error_resilience"
2358 mpegaudio_select="mpegaudiodsp mpegaudioheader"
2359 mpegaudiodsp_select="dct"
2360 mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp mpeg_er videodsp"
2361 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
2362 vc1dsp_select="h264chroma qpeldsp startcode"
2365 # decoders / encoders
2366 aac_decoder_select="mdct15 mdct sinewin"
2367 aac_fixed_decoder_select="mdct sinewin"
2368 aac_encoder_select="audio_frame_queue iirfilter lpc mdct sinewin"
2369 aac_latm_decoder_select="aac_decoder aac_latm_parser"
2370 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
2371 ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"
2372 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
2373 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
2374 adpcm_g722_decoder_select="g722dsp"
2375 adpcm_g722_encoder_select="g722dsp"
2376 aic_decoder_select="golomb idctdsp"
2377 alac_encoder_select="lpc"
2378 als_decoder_select="bswapdsp"
2379 amrnb_decoder_select="lsp"
2380 amrwb_decoder_select="lsp"
2381 amv_decoder_select="sp5x_decoder exif"
2382 amv_encoder_select="aandcttables jpegtables mpegvideoenc"
2383 ape_decoder_select="bswapdsp llauddsp"
2384 apng_decoder_select="zlib"
2385 apng_encoder_select="llvidencdsp zlib"
2386 asv1_decoder_select="blockdsp bswapdsp idctdsp"
2387 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
2388 asv2_decoder_select="blockdsp bswapdsp idctdsp"
2389 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
2390 atrac1_decoder_select="mdct sinewin"
2391 atrac3_decoder_select="mdct"
2392 atrac3p_decoder_select="mdct sinewin"
2393 avrn_decoder_select="exif jpegtables"
2394 bink_decoder_select="blockdsp hpeldsp"
2395 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
2396 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
2397 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
2398 cllc_decoder_select="bswapdsp"
2399 comfortnoise_encoder_select="lpc"
2400 cook_decoder_select="audiodsp mdct sinewin"
2401 cscd_decoder_select="lzo"
2402 cscd_decoder_suggest="zlib"
2403 dca_decoder_select="mdct"
2404 dds_decoder_select="texturedsp"
2405 dirac_decoder_select="dirac_parse dwt golomb videodsp mpegvideoenc"
2406 dnxhd_decoder_select="blockdsp idctdsp"
2407 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
2408 dvvideo_decoder_select="dvprofile idctdsp"
2409 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
2410 dxa_decoder_select="zlib"
2411 dxv_decoder_select="lzf texturedsp"
2412 eac3_decoder_select="ac3_decoder"
2413 eac3_encoder_select="ac3_encoder"
2414 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
2415 eatgq_decoder_select="aandcttables"
2416 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp"
2417 exr_decoder_select="zlib"
2418 ffv1_decoder_select="rangecoder"
2419 ffv1_encoder_select="rangecoder"
2420 ffvhuff_decoder_select="huffyuv_decoder"
2421 ffvhuff_encoder_select="huffyuv_encoder"
2422 fic_decoder_select="golomb"
2423 flac_decoder_select="flacdsp"
2424 flac_encoder_select="bswapdsp flacdsp lpc"
2425 flashsv2_decoder_select="zlib"
2426 flashsv2_encoder_select="zlib"
2427 flashsv_decoder_select="zlib"
2428 flashsv_encoder_select="zlib"
2429 flv_decoder_select="h263_decoder"
2430 flv_encoder_select="h263_encoder"
2431 fourxm_decoder_select="blockdsp bswapdsp"
2432 fraps_decoder_select="bswapdsp huffman"
2433 g2m_decoder_select="blockdsp idctdsp jpegtables zlib"
2434 g729_decoder_select="audiodsp"
2435 h261_decoder_select="mpegvideo"
2436 h261_encoder_select="aandcttables mpegvideoenc"
2437 h263_decoder_select="h263_parser h263dsp mpegvideo qpeldsp"
2438 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
2439 h263i_decoder_select="h263_decoder"
2440 h263p_decoder_select="h263_decoder"
2441 h263p_encoder_select="h263_encoder"
2442 h264_decoder_select="cabac golomb h264chroma h264dsp h264parse h264pred h264qpel videodsp"
2443 h264_decoder_suggest="error_resilience"
2444 hap_decoder_select="snappy texturedsp"
2445 hap_encoder_deps="libsnappy"
2446 hap_encoder_select="texturedspenc"
2447 hevc_decoder_select="bswapdsp cabac golomb hevcparse videodsp"
2448 huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"
2449 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llvidencdsp"
2450 iac_decoder_select="imc_decoder"
2451 imc_decoder_select="bswapdsp fft mdct sinewin"
2452 indeo3_decoder_select="hpeldsp"
2453 indeo4_decoder_select="ividsp"
2454 indeo5_decoder_select="ividsp"
2455 interplay_video_decoder_select="hpeldsp"
2456 jpegls_decoder_select="mjpeg_decoder"
2457 jv_decoder_select="blockdsp"
2458 lagarith_decoder_select="llviddsp"
2459 ljpeg_encoder_select="aandcttables idctdsp jpegtables mpegvideoenc"
2460 magicyuv_decoder_select="llviddsp"
2461 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2462 metasound_decoder_select="lsp mdct sinewin"
2463 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2464 mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"
2465 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
2466 mjpegb_decoder_select="mjpeg_decoder"
2467 mlp_decoder_select="mlp_parser"
2468 motionpixels_decoder_select="bswapdsp"
2469 mp1_decoder_select="mpegaudio"
2470 mp1float_decoder_select="mpegaudio"
2471 mp2_decoder_select="mpegaudio"
2472 mp2float_decoder_select="mpegaudio"
2473 mp3_decoder_select="mpegaudio"
2474 mp3adu_decoder_select="mpegaudio"
2475 mp3adufloat_decoder_select="mpegaudio"
2476 mp3float_decoder_select="mpegaudio"
2477 mp3on4_decoder_select="mpegaudio"
2478 mp3on4float_decoder_select="mpegaudio"
2479 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2480 mpc8_decoder_select="mpegaudiodsp"
2481 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
2482 mpeg_xvmc_decoder_select="mpeg2video_decoder"
2483 mpegvideo_decoder_select="mpegvideo"
2484 mpeg1video_decoder_select="mpegvideo"
2485 mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"
2486 mpeg2video_decoder_select="mpegvideo"
2487 mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"
2488 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2489 mpeg4_encoder_select="h263_encoder"
2490 msa1_decoder_select="mss34dsp"
2491 msmpeg4v1_decoder_select="h263_decoder"
2492 msmpeg4v2_decoder_select="h263_decoder"
2493 msmpeg4v2_encoder_select="h263_encoder"
2494 msmpeg4v3_decoder_select="h263_decoder"
2495 msmpeg4v3_encoder_select="h263_encoder"
2496 mss2_decoder_select="mpegvideo qpeldsp vc1_decoder"
2497 mts2_decoder_select="mss34dsp"
2498 mxpeg_decoder_select="mjpeg_decoder"
2499 nellymoser_decoder_select="mdct sinewin"
2500 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2501 nuv_decoder_select="idctdsp lzo"
2502 on2avc_decoder_select="mdct"
2503 opus_decoder_deps="swresample"
2504 opus_decoder_select="mdct15"
2505 opus_encoder_select="audio_frame_queue mdct15"
2506 png_decoder_select="zlib"
2507 png_encoder_select="llvidencdsp zlib"
2508 prores_decoder_select="blockdsp idctdsp"
2509 prores_encoder_select="fdctdsp"
2510 qcelp_decoder_select="lsp"
2511 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2512 ra_144_decoder_select="audiodsp"
2513 ra_144_encoder_select="audio_frame_queue lpc audiodsp"
2514 ralf_decoder_select="golomb"
2515 rawvideo_decoder_select="bswapdsp"
2516 rscc_decoder_select="zlib"
2517 rtjpeg_decoder_select="me_cmp"
2518 rv10_decoder_select="h263_decoder"
2519 rv10_encoder_select="h263_encoder"
2520 rv20_decoder_select="h263_decoder"
2521 rv20_encoder_select="h263_encoder"
2522 rv30_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2523 rv40_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2524 screenpresso_decoder_select="zlib"
2525 shorten_decoder_select="bswapdsp"
2526 sipr_decoder_select="lsp"
2527 snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"
2528 snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"
2529 sonic_decoder_select="golomb rangecoder"
2530 sonic_encoder_select="golomb rangecoder"
2531 sonic_ls_encoder_select="golomb rangecoder"
2532 sp5x_decoder_select="mjpeg_decoder"
2533 svq1_decoder_select="hpeldsp"
2534 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2535 svq3_decoder_select="golomb h264dsp h264parse h264pred hpeldsp tpeldsp videodsp"
2536 svq3_decoder_suggest="zlib"
2537 tak_decoder_select="audiodsp"
2538 tdsc_decoder_select="zlib mjpeg_decoder"
2539 theora_decoder_select="vp3_decoder"
2540 thp_decoder_select="mjpeg_decoder"
2541 tiff_decoder_suggest="zlib lzma"
2542 tiff_encoder_suggest="zlib"
2543 truehd_decoder_select="mlp_parser"
2544 truemotion2_decoder_select="bswapdsp"
2545 truespeech_decoder_select="bswapdsp"
2546 tscc_decoder_select="zlib"
2547 twinvq_decoder_select="mdct lsp sinewin"
2548 txd_decoder_select="texturedsp"
2549 utvideo_decoder_select="bswapdsp llviddsp"
2550 utvideo_encoder_select="bswapdsp huffman llvidencdsp"
2551 vble_decoder_select="llviddsp"
2552 vc1_decoder_select="blockdsp h263_decoder h264qpel intrax8 mpegvideo vc1dsp"
2553 vc1_qsv_decoder_deps="libmfx"
2554 vc1_qsv_decoder_select="qsvdec vc1_qsv_hwaccel vc1_parser"
2555 vc1image_decoder_select="vc1_decoder"
2556 vorbis_decoder_select="mdct"
2557 vorbis_encoder_select="mdct"
2558 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2559 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"
2560 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"
2561 vp6a_decoder_select="vp6_decoder"
2562 vp6f_decoder_select="vp6_decoder"
2563 vp7_decoder_select="h264pred videodsp vp8dsp"
2564 vp8_decoder_select="h264pred videodsp vp8dsp"
2565 vp9_decoder_select="videodsp vp9_parser"
2566 webp_decoder_select="vp8_decoder exif"
2567 wmalossless_decoder_select="llauddsp"
2568 wmapro_decoder_select="mdct sinewin wma_freqs"
2569 wmav1_decoder_select="mdct sinewin wma_freqs"
2570 wmav1_encoder_select="mdct sinewin wma_freqs"
2571 wmav2_decoder_select="mdct sinewin wma_freqs"
2572 wmav2_encoder_select="mdct sinewin wma_freqs"
2573 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2574 wmv1_decoder_select="h263_decoder"
2575 wmv1_encoder_select="h263_encoder"
2576 wmv2_decoder_select="blockdsp error_resilience h263_decoder idctdsp intrax8 videodsp wmv2dsp"
2577 wmv2_encoder_select="h263_encoder wmv2dsp"
2578 wmv3_decoder_select="vc1_decoder"
2579 wmv3image_decoder_select="wmv3_decoder"
2580 xma1_decoder_select="wmapro_decoder"
2581 xma2_decoder_select="wmapro_decoder"
2582 zerocodec_decoder_select="zlib"
2583 zlib_decoder_select="zlib"
2584 zlib_encoder_select="zlib"
2585 zmbv_decoder_select="zlib"
2586 zmbv_encoder_select="zlib"
2589 audiotoolbox_deps="AudioToolbox_AudioToolbox_h"
2590 audiotoolbox_extralibs="-framework CoreFoundation -framework AudioToolbox -framework CoreMedia"
2592 # hardware accelerators
2593 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
2594 cuda_deps_any="dlopen LoadLibrary"
2596 d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder ID3D11VideoContext"
2597 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode"
2598 dxva2_extralibs="-luser32"
2599 vaapi_deps="va_va_h"
2600 vda_framework_deps="VideoDecodeAcceleration_VDADecoder_h"
2601 vda_framework_extralibs="-framework VideoDecodeAcceleration"
2602 vda_deps="vda_framework pthreads"
2603 vda_extralibs="-framework CoreFoundation -framework QuartzCore"
2604 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
2605 videotoolbox_hwaccel_deps="videotoolbox pthreads"
2606 videotoolbox_hwaccel_extralibs="-framework QuartzCore"
2607 xvmc_deps="X11_extensions_XvMClib_h"
2609 h263_vaapi_hwaccel_deps="vaapi"
2610 h263_vaapi_hwaccel_select="h263_decoder"
2611 h263_videotoolbox_hwaccel_deps="videotoolbox"
2612 h263_videotoolbox_hwaccel_select="h263_decoder"
2613 h264_cuvid_hwaccel_deps="cuda cuvid"
2614 h264_cuvid_hwaccel_select="h264_cuvid_decoder"
2615 h264_d3d11va_hwaccel_deps="d3d11va"
2616 h264_d3d11va_hwaccel_select="h264_decoder"
2617 h264_dxva2_hwaccel_deps="dxva2"
2618 h264_dxva2_hwaccel_select="h264_decoder"
2619 h264_mediacodec_hwaccel_deps="mediacodec"
2620 h264_mmal_hwaccel_deps="mmal"
2621 h264_qsv_hwaccel_deps="libmfx"
2622 h264_vaapi_hwaccel_deps="vaapi"
2623 h264_vaapi_hwaccel_select="h264_decoder"
2624 h264_vda_hwaccel_deps="vda"
2625 h264_vda_hwaccel_select="h264_decoder"
2626 h264_vda_old_hwaccel_deps="vda"
2627 h264_vda_old_hwaccel_select="h264_decoder"
2628 h264_vdpau_hwaccel_deps="vdpau"
2629 h264_vdpau_hwaccel_select="h264_decoder"
2630 h264_videotoolbox_hwaccel_deps="videotoolbox"
2631 h264_videotoolbox_hwaccel_select="h264_decoder"
2632 hevc_cuvid_hwaccel_deps="cuda cuvid"
2633 hevc_cuvid_hwaccel_select="hevc_cuvid_decoder"
2634 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2635 hevc_d3d11va_hwaccel_select="hevc_decoder"
2636 hevc_mediacodec_hwaccel_deps="mediacodec"
2637 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2638 hevc_dxva2_hwaccel_select="hevc_decoder"
2639 hevc_qsv_hwaccel_deps="libmfx"
2640 hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC"
2641 hevc_vaapi_hwaccel_select="hevc_decoder"
2642 hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"
2643 hevc_vdpau_hwaccel_select="hevc_decoder"
2644 mjpeg_cuvid_hwaccel_deps="cuda cuvid"
2645 mjpeg_cuvid_hwaccel_select="mjpeg_cuvid_decoder"
2646 mpeg_xvmc_hwaccel_deps="xvmc"
2647 mpeg_xvmc_hwaccel_select="mpeg2video_decoder"
2648 mpeg1_cuvid_hwaccel_deps="cuda cuvid"
2649 mpeg1_cuvid_hwaccel_select="mpeg1_cuvid_decoder"
2650 mpeg1_vdpau_hwaccel_deps="vdpau"
2651 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2652 mpeg1_videotoolbox_hwaccel_deps="videotoolbox"
2653 mpeg1_videotoolbox_hwaccel_select="mpeg1video_decoder"
2654 mpeg1_xvmc_hwaccel_deps="xvmc"
2655 mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"
2656 mpeg2_cuvid_hwaccel_deps="cuda cuvid"
2657 mpeg2_cuvid_hwaccel_select="mpeg2_cuvid_decoder"
2658 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2659 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2660 mpeg2_dxva2_hwaccel_deps="dxva2"
2661 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2662 mpeg2_mmal_hwaccel_deps="mmal"
2663 mpeg2_qsv_hwaccel_deps="libmfx"
2664 mpeg2_qsv_hwaccel_select="qsvdec_mpeg2"
2665 mpeg2_vaapi_hwaccel_deps="vaapi"
2666 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2667 mpeg2_vdpau_hwaccel_deps="vdpau"
2668 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2669 mpeg2_videotoolbox_hwaccel_deps="videotoolbox"
2670 mpeg2_videotoolbox_hwaccel_select="mpeg2video_decoder"
2671 mpeg2_xvmc_hwaccel_deps="xvmc"
2672 mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"
2673 mpeg4_cuvid_hwaccel_deps="cuda cuvid"
2674 mpeg4_cuvid_hwaccel_select="mpeg4_cuvid_decoder"
2675 mpeg4_mediacodec_hwaccel_deps="mediacodec"
2676 mpeg4_mmal_hwaccel_deps="mmal"
2677 mpeg4_vaapi_hwaccel_deps="vaapi"
2678 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2679 mpeg4_vdpau_hwaccel_deps="vdpau"
2680 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2681 mpeg4_videotoolbox_hwaccel_deps="videotoolbox"
2682 mpeg4_videotoolbox_hwaccel_select="mpeg4_decoder"
2683 vc1_cuvid_hwaccel_deps="cuda cuvid"
2684 vc1_cuvid_hwaccel_select="vc1_cuvid_decoder"
2685 vc1_d3d11va_hwaccel_deps="d3d11va"
2686 vc1_d3d11va_hwaccel_select="vc1_decoder"
2687 vc1_dxva2_hwaccel_deps="dxva2"
2688 vc1_dxva2_hwaccel_select="vc1_decoder"
2689 vc1_mmal_hwaccel_deps="mmal"
2690 vc1_qsv_hwaccel_deps="libmfx"
2691 vc1_qsv_hwaccel_select="qsvdec_vc1"
2692 vc1_vaapi_hwaccel_deps="vaapi"
2693 vc1_vaapi_hwaccel_select="vc1_decoder"
2694 vc1_vdpau_hwaccel_deps="vdpau"
2695 vc1_vdpau_hwaccel_select="vc1_decoder"
2696 vp8_cuvid_hwaccel_deps="cuda cuvid"
2697 vp8_cuvid_hwaccel_select="vp8_cuvid_decoder"
2698 vp9_cuvid_hwaccel_deps="cuda cuvid"
2699 vp9_cuvid_hwaccel_select="vp9_cuvid_decoder"
2700 vp8_mediacodec_hwaccel_deps="mediacodec"
2701 vp8_qsv_hwaccel_deps="libmfx"
2702 vp9_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_VP9"
2703 vp9_d3d11va_hwaccel_select="vp9_decoder"
2704 vp9_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_VP9"
2705 vp9_dxva2_hwaccel_select="vp9_decoder"
2706 vp9_mediacodec_hwaccel_deps="mediacodec"
2707 vp9_vaapi_hwaccel_deps="vaapi VADecPictureParameterBufferVP9_bit_depth"
2708 vp9_vaapi_hwaccel_select="vp9_decoder"
2709 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2710 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2711 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2712 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2714 # hardware-accelerated codecs
2715 omx_deps="dlopen pthreads"
2716 omx_extralibs='$ldl'
2717 omx_rpi_select="omx"
2720 vaapi_encode_deps="vaapi"
2722 hwupload_cuda_filter_deps="cuda"
2723 scale_npp_filter_deps="cuda libnpp"
2726 nvenc_deps_any="dlopen LoadLibrary"
2727 nvenc_encoder_deps="nvenc"
2729 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
2730 h264_cuvid_decoder_deps="cuda cuvid"
2731 h264_cuvid_decoder_select="h264_mp4toannexb_bsf"
2732 h264_mediacodec_decoder_deps="mediacodec"
2733 h264_mediacodec_decoder_select="h264_mp4toannexb_bsf h264_parser"
2734 h264_mmal_decoder_deps="mmal"
2735 h264_nvenc_encoder_deps="nvenc"
2736 h264_omx_encoder_deps="omx"
2737 h264_qsv_decoder_deps="libmfx"
2738 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
2739 h264_qsv_encoder_deps="libmfx"
2740 h264_qsv_encoder_select="qsvenc"
2741 h264_vaapi_encoder_deps="VAEncPictureParameterBufferH264"
2742 h264_vaapi_encoder_select="vaapi_encode golomb"
2743 h264_vda_decoder_deps="vda"
2744 h264_vda_decoder_select="h264_decoder"
2745 h264_vdpau_decoder_deps="vdpau"
2746 h264_vdpau_decoder_select="h264_decoder"
2747 hevc_cuvid_decoder_deps="cuda cuvid"
2748 hevc_cuvid_decoder_select="hevc_mp4toannexb_bsf"
2749 hevc_mediacodec_decoder_deps="mediacodec"
2750 hevc_mediacodec_decoder_select="hevc_mp4toannexb_bsf hevc_parser"
2751 hevc_nvenc_encoder_deps="nvenc"
2752 hevc_qsv_decoder_deps="libmfx"
2753 hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec hevc_qsv_hwaccel"
2754 hevc_qsv_encoder_deps="libmfx"
2755 hevc_qsv_encoder_select="hevcparse qsvenc"
2756 hevc_vaapi_encoder_deps="VAEncPictureParameterBufferHEVC"
2757 hevc_vaapi_encoder_select="vaapi_encode golomb"
2758 mjpeg_cuvid_decoder_deps="cuda cuvid"
2759 mjpeg_vaapi_encoder_deps="VAEncPictureParameterBufferJPEG"
2760 mjpeg_vaapi_encoder_select="vaapi_encode jpegtables"
2761 mpeg1_cuvid_decoder_deps="cuda cuvid"
2762 mpeg1_vdpau_decoder_deps="vdpau"
2763 mpeg1_vdpau_decoder_select="mpeg1video_decoder"
2764 mpeg2_crystalhd_decoder_select="crystalhd"
2765 mpeg2_cuvid_decoder_deps="cuda cuvid"
2766 mpeg2_mmal_decoder_deps="mmal"
2767 mpeg2_qsv_decoder_deps="libmfx"
2768 mpeg2_qsv_decoder_select="qsvdec mpeg2_qsv_hwaccel"
2769 mpeg2_qsv_encoder_deps="libmfx"
2770 mpeg2_qsv_encoder_select="qsvenc"
2771 mpeg2_vaapi_encoder_deps="VAEncPictureParameterBufferMPEG2"
2772 mpeg2_vaapi_encoder_select="vaapi_encode"
2773 mpeg4_crystalhd_decoder_select="crystalhd"
2774 mpeg4_cuvid_decoder_deps="cuda cuvid"
2775 mpeg4_mediacodec_decoder_deps="mediacodec"
2776 mpeg4_mmal_decoder_deps="mmal"
2777 mpeg4_omx_encoder_deps="omx"
2778 mpeg4_vdpau_decoder_deps="vdpau"
2779 mpeg4_vdpau_decoder_select="mpeg4_decoder"
2780 mpeg_vdpau_decoder_deps="vdpau"
2781 mpeg_vdpau_decoder_select="mpeg2video_decoder"
2782 msmpeg4_crystalhd_decoder_select="crystalhd"
2783 nvenc_h264_encoder_select="h264_nvenc_encoder"
2784 nvenc_hevc_encoder_select="hevc_nvenc_encoder"
2785 vc1_crystalhd_decoder_select="crystalhd"
2786 vc1_cuvid_decoder_deps="cuda cuvid"
2787 vc1_mmal_decoder_deps="mmal"
2788 vc1_vdpau_decoder_deps="vdpau"
2789 vc1_vdpau_decoder_select="vc1_decoder"
2790 vp8_cuvid_decoder_deps="cuda cuvid"
2791 vp8_mediacodec_decoder_deps="mediacodec"
2792 vp8_qsv_decoder_deps="libmfx"
2793 vp8_qsv_decoder_select="qsvdec vp8_qsv_hwaccel vp8_parser"
2794 vp8_vaapi_encoder_deps="VAEncPictureParameterBufferVP8"
2795 vp8_vaapi_encoder_select="vaapi_encode"
2796 vp9_cuvid_decoder_deps="cuda cuvid"
2797 vp9_mediacodec_decoder_deps="mediacodec"
2798 wmv3_crystalhd_decoder_select="crystalhd"
2799 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2802 h264_parser_select="golomb h264dsp h264parse"
2803 hevc_parser_select="hevcparse"
2804 mpegaudio_parser_select="mpegaudioheader"
2805 mpegvideo_parser_select="mpegvideo"
2806 mpeg4video_parser_select="h263dsp mpegvideo qpeldsp"
2807 vc1_parser_select="vc1dsp"
2810 mjpeg2jpeg_bsf_select="jpegtables"
2812 # external libraries
2813 aac_at_decoder_deps="audiotoolbox"
2814 ac3_at_decoder_deps="audiotoolbox"
2815 ac3_at_decoder_select="ac3_parser"
2816 adpcm_ima_qt_at_decoder_deps="audiotoolbox"
2817 alac_at_decoder_deps="audiotoolbox"
2818 amr_nb_at_decoder_deps="audiotoolbox"
2819 avisynth_deps_any="dlopen LoadLibrary"
2820 avisynth_demuxer_deps="avisynth"
2821 avisynth_demuxer_select="riffdec"
2822 eac3_at_decoder_deps="audiotoolbox"
2823 eac3_at_decoder_select="ac3_parser"
2824 gsm_ms_at_decoder_deps="audiotoolbox"
2825 ilbc_at_decoder_deps="audiotoolbox"
2826 mp1_at_decoder_deps="audiotoolbox"
2827 mp2_at_decoder_deps="audiotoolbox"
2828 mp3_at_decoder_deps="audiotoolbox"
2829 mp1_at_decoder_select="mpegaudioheader"
2830 mp2_at_decoder_select="mpegaudioheader"
2831 mp3_at_decoder_select="mpegaudioheader"
2832 pcm_alaw_at_decoder_deps="audiotoolbox"
2833 pcm_mulaw_at_decoder_deps="audiotoolbox"
2834 qdmc_at_decoder_deps="audiotoolbox"
2835 qdm2_at_decoder_deps="audiotoolbox"
2836 aac_at_encoder_deps="audiotoolbox"
2837 aac_at_encoder_select="audio_frame_queue"
2838 alac_at_encoder_deps="audiotoolbox"
2839 alac_at_encoder_select="audio_frame_queue"
2840 ilbc_at_encoder_deps="audiotoolbox"
2841 ilbc_at_encoder_select="audio_frame_queue"
2842 pcm_alaw_at_encoder_deps="audiotoolbox"
2843 pcm_alaw_at_encoder_select="audio_frame_queue"
2844 pcm_mulaw_at_encoder_deps="audiotoolbox"
2845 pcm_mulaw_at_encoder_select="audio_frame_queue"
2846 chromaprint_muxer_deps="chromaprint"
2847 h264_videotoolbox_encoder_deps="videotoolbox_encoder pthreads"
2848 libcelt_decoder_deps="libcelt"
2849 libfdk_aac_decoder_deps="libfdk_aac"
2850 libfdk_aac_encoder_deps="libfdk_aac"
2851 libfdk_aac_encoder_select="audio_frame_queue"
2852 libgme_demuxer_deps="libgme"
2853 libgsm_decoder_deps="libgsm"
2854 libgsm_encoder_deps="libgsm"
2855 libgsm_ms_decoder_deps="libgsm"
2856 libgsm_ms_encoder_deps="libgsm"
2857 libilbc_decoder_deps="libilbc"
2858 libilbc_encoder_deps="libilbc"
2859 libkvazaar_encoder_deps="libkvazaar"
2860 libmodplug_demuxer_deps="libmodplug"
2861 libmp3lame_encoder_deps="libmp3lame"
2862 libmp3lame_encoder_select="audio_frame_queue mpegaudioheader"
2863 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2864 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2865 libopencore_amrnb_encoder_select="audio_frame_queue"
2866 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2867 libopenh264_decoder_deps="libopenh264"
2868 libopenh264_decoder_select="h264_mp4toannexb_bsf"
2869 libopenh264_encoder_deps="libopenh264"
2870 libopenjpeg_decoder_deps="libopenjpeg"
2871 libopenjpeg_encoder_deps="libopenjpeg"
2872 libopenmpt_demuxer_deps="libopenmpt"
2873 libopus_decoder_deps="libopus"
2874 libopus_encoder_deps="libopus"
2875 libopus_encoder_select="audio_frame_queue"
2876 libschroedinger_decoder_deps="libschroedinger"
2877 libschroedinger_encoder_deps="libschroedinger"
2878 libshine_encoder_deps="libshine"
2879 libshine_encoder_select="audio_frame_queue"
2880 libspeex_decoder_deps="libspeex"
2881 libspeex_encoder_deps="libspeex"
2882 libspeex_encoder_select="audio_frame_queue"
2883 libtheora_encoder_deps="libtheora"
2884 libtwolame_encoder_deps="libtwolame"
2885 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2886 libvorbis_decoder_deps="libvorbis"
2887 libvorbis_encoder_deps="libvorbis"
2888 libvorbis_encoder_select="audio_frame_queue"
2889 libvpx_vp8_decoder_deps="libvpx"
2890 libvpx_vp8_encoder_deps="libvpx"
2891 libvpx_vp9_decoder_deps="libvpx"
2892 libvpx_vp9_encoder_deps="libvpx"
2893 libwavpack_encoder_deps="libwavpack"
2894 libwavpack_encoder_select="audio_frame_queue"
2895 libwebp_encoder_deps="libwebp"
2896 libwebp_anim_encoder_deps="libwebp"
2897 libx262_encoder_deps="libx262"
2898 libx264_encoder_deps="libx264"
2899 libx264rgb_encoder_deps="libx264 x264_csp_bgr"
2900 libx264rgb_encoder_select="libx264_encoder"
2901 libx265_encoder_deps="libx265"
2902 libxavs_encoder_deps="libxavs"
2903 libxvid_encoder_deps="libxvid"
2904 libzvbi_teletext_decoder_deps="libzvbi"
2905 videotoolbox_deps="VideoToolbox_VideoToolbox_h"
2906 videotoolbox_extralibs="-framework CoreFoundation -framework VideoToolbox -framework CoreMedia -framework CoreVideo"
2907 videotoolbox_encoder_deps="videotoolbox VTCompressionSessionPrepareToEncodeFrames"
2908 videotoolbox_encoder_suggest="vda_framework vt_bt2020"
2909 vt_bt2020_deps="kCVImageBufferColorPrimaries_ITU_R_2020"
2912 ac3_demuxer_select="ac3_parser"
2913 aiff_muxer_select="iso_media"
2914 asf_demuxer_select="riffdec"
2915 asf_o_demuxer_select="riffdec"
2916 asf_muxer_select="riffenc"
2917 asf_stream_muxer_select="asf_muxer"
2918 avi_demuxer_select="iso_media riffdec exif"
2919 avi_muxer_select="riffenc"
2920 caf_demuxer_select="iso_media riffdec"
2921 caf_muxer_select="iso_media"
2922 dash_muxer_select="mp4_muxer"
2923 dirac_demuxer_select="dirac_parser"
2924 dts_demuxer_select="dca_parser"
2925 dtshd_demuxer_select="dca_parser"
2926 dv_demuxer_select="dvprofile"
2927 dv_muxer_select="dvprofile"
2928 dxa_demuxer_select="riffdec"
2929 eac3_demuxer_select="ac3_parser"
2930 f4v_muxer_select="mov_muxer"
2931 fifo_muxer_deps="threads"
2932 flac_demuxer_select="flac_parser"
2933 hds_muxer_select="flv_muxer"
2934 hls_muxer_select="mpegts_muxer"
2935 image2_alias_pix_demuxer_select="image2_demuxer"
2936 image2_brender_pix_demuxer_select="image2_demuxer"
2937 ipod_muxer_select="mov_muxer"
2938 ismv_muxer_select="mov_muxer"
2939 libnut_demuxer_deps="libnut"
2940 libnut_muxer_deps="libnut"
2941 matroska_audio_muxer_select="matroska_muxer"
2942 matroska_demuxer_select="iso_media riffdec"
2943 matroska_demuxer_suggest="bzlib lzo zlib"
2944 matroska_muxer_select="iso_media riffenc"
2945 mmf_muxer_select="riffenc"
2946 mov_demuxer_select="iso_media riffdec"
2947 mov_demuxer_suggest="zlib"
2948 mov_muxer_select="iso_media riffenc rtpenc_chain"
2949 mp3_demuxer_select="mpegaudio_parser"
2950 mp3_muxer_select="mpegaudioheader"
2951 mp4_muxer_select="mov_muxer"
2952 mpegts_demuxer_select="iso_media"
2953 mpegts_muxer_select="adts_muxer latm_muxer"
2954 mpegtsraw_demuxer_select="mpegts_demuxer"
2955 mxf_d10_muxer_select="mxf_muxer"
2956 mxf_opatom_muxer_select="mxf_muxer"
2957 nut_muxer_select="riffenc"
2958 nuv_demuxer_select="riffdec"
2959 oga_muxer_select="ogg_muxer"
2960 ogg_demuxer_select="dirac_parse"
2961 ogv_muxer_select="ogg_muxer"
2962 opus_muxer_select="ogg_muxer"
2963 psp_muxer_select="mov_muxer"
2964 rtp_demuxer_select="sdp_demuxer"
2965 rtp_muxer_select="golomb"
2966 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol srtp"
2967 rtsp_demuxer_select="http_protocol rtpdec"
2968 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2969 sap_demuxer_select="sdp_demuxer"
2970 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2971 sdp_demuxer_select="rtpdec"
2972 smoothstreaming_muxer_select="ismv_muxer"
2973 spdif_muxer_select="aac_parser"
2974 spx_muxer_select="ogg_muxer"
2975 swf_demuxer_suggest="zlib"
2976 tak_demuxer_select="tak_parser"
2977 tg2_muxer_select="mov_muxer"
2978 tgp_muxer_select="mov_muxer"
2979 vobsub_demuxer_select="mpegps_demuxer"
2980 w64_demuxer_select="wav_demuxer"
2981 w64_muxer_select="wav_muxer"
2982 wav_demuxer_select="riffdec"
2983 wav_muxer_select="riffenc"
2984 webm_muxer_select="iso_media riffenc"
2985 webm_dash_manifest_demuxer_select="matroska_demuxer"
2986 wtv_demuxer_select="mpegts_demuxer riffdec"
2987 wtv_muxer_select="mpegts_muxer riffenc"
2988 xmv_demuxer_select="riffdec"
2989 xwma_demuxer_select="riffdec"
2992 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2993 alsa_outdev_deps="alsa_asoundlib_h"
2994 avfoundation_indev_deps="pthreads"
2995 avfoundation_indev_extralibs="-framework Foundation -framework AVFoundation -framework CoreVideo -framework CoreMedia"
2996 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2997 caca_outdev_deps="libcaca"
2998 decklink_indev_deps="decklink pthreads"
2999 decklink_indev_extralibs="-lstdc++"
3000 decklink_outdev_deps="decklink pthreads"
3001 decklink_outdev_extralibs="-lstdc++"
3002 dshow_indev_deps="IBaseFilter"
3003 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"
3004 dv1394_indev_deps="dv1394"
3005 dv1394_indev_select="dv_demuxer"
3006 fbdev_indev_deps="linux_fb_h"
3007 fbdev_outdev_deps="linux_fb_h"
3008 gdigrab_indev_deps="CreateDIBSection"
3009 gdigrab_indev_extralibs="-lgdi32"
3010 gdigrab_indev_select="bmp_decoder"
3011 iec61883_indev_deps="libiec61883"
3012 jack_indev_deps="jack_jack_h"
3013 jack_indev_deps_any="sem_timedwait dispatch_dispatch_h"
3014 lavfi_indev_deps="avfilter"
3015 libcdio_indev_deps="libcdio"
3016 libdc1394_indev_deps="libdc1394"
3017 libv4l2_indev_deps="libv4l2"
3018 openal_indev_deps="openal"
3019 opengl_outdev_deps="opengl"
3020 oss_indev_deps_any="soundcard_h sys_soundcard_h"
3021 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
3022 pulse_indev_deps="libpulse"
3023 pulse_outdev_deps="libpulse"
3024 qtkit_indev_extralibs="-framework QTKit -framework Foundation -framework QuartzCore"
3025 qtkit_indev_select="qtkit"
3026 sdl2_outdev_deps="sdl2"
3027 sndio_indev_deps="sndio_h"
3028 sndio_outdev_deps="sndio_h"
3029 v4l_indev_deps="linux_videodev_h"
3030 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
3031 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
3032 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
3033 vfwcap_indev_extralibs="-lavicap32"
3034 xcbgrab_indev_deps="libxcb"
3035 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
3036 xv_outdev_extralibs="-lXv -lX11 -lXext"
3039 async_protocol_deps="threads"
3040 bluray_protocol_deps="libbluray"
3041 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
3042 ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"
3043 ffrtmpcrypt_protocol_select="tcp_protocol"
3044 ffrtmphttp_protocol_deps="!librtmp_protocol"
3045 ffrtmphttp_protocol_select="http_protocol"
3046 ftp_protocol_select="tcp_protocol"
3047 gopher_protocol_select="network"
3048 http_protocol_select="tcp_protocol"
3049 httpproxy_protocol_select="tcp_protocol"
3050 https_protocol_select="tls_protocol"
3051 icecast_protocol_select="http_protocol"
3052 librtmp_protocol_deps="librtmp"
3053 librtmpe_protocol_deps="librtmp"
3054 librtmps_protocol_deps="librtmp"
3055 librtmpt_protocol_deps="librtmp"
3056 librtmpte_protocol_deps="librtmp"
3057 libsmbclient_protocol_deps="libsmbclient gplv3"
3058 libssh_protocol_deps="libssh"
3059 mmsh_protocol_select="http_protocol"
3060 mmst_protocol_select="network"
3061 rtmp_protocol_deps="!librtmp_protocol"
3062 rtmp_protocol_select="tcp_protocol"
3063 rtmpe_protocol_select="ffrtmpcrypt_protocol"
3064 rtmps_protocol_deps="!librtmp_protocol"
3065 rtmps_protocol_select="tls_protocol"
3066 rtmpt_protocol_select="ffrtmphttp_protocol"
3067 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
3068 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
3069 rtp_protocol_select="udp_protocol"
3070 sctp_protocol_deps="struct_sctp_event_subscribe struct_msghdr_msg_flags"
3071 sctp_protocol_select="network"
3072 srtp_protocol_select="rtp_protocol srtp"
3073 tcp_protocol_select="network"
3074 tls_gnutls_protocol_deps="gnutls !tls_schannel_protocol !tls_securetransport_protocol"
3075 tls_gnutls_protocol_select="tcp_protocol"
3076 tls_openssl_protocol_deps="openssl !tls_schannel_protocol !tls_securetransport_protocol !tls_gnutls_protocol"
3077 tls_openssl_protocol_select="tcp_protocol"
3078 tls_schannel_protocol_deps="schannel"
3079 tls_schannel_protocol_select="tcp_protocol"
3080 tls_securetransport_protocol_deps="securetransport"
3081 tls_securetransport_protocol_select="tcp_protocol"
3082 tls_protocol_deps_any="tls_schannel_protocol tls_securetransport_protocol tls_gnutls_protocol tls_openssl_protocol"
3083 udp_protocol_select="network"
3084 udplite_protocol_select="network"
3085 unix_protocol_deps="sys_un_h"
3086 unix_protocol_select="network"
3089 afftfilt_filter_deps="avcodec"
3090 afftfilt_filter_select="fft"
3091 amovie_filter_deps="avcodec avformat"
3092 aresample_filter_deps="swresample"
3093 ass_filter_deps="libass"
3094 atempo_filter_deps="avcodec"
3095 atempo_filter_select="rdft"
3096 azmq_filter_deps="libzmq"
3097 blackframe_filter_deps="gpl"
3098 boxblur_filter_deps="gpl"
3099 bs2b_filter_deps="libbs2b"
3100 colormatrix_filter_deps="gpl"
3101 cover_rect_filter_deps="avcodec avformat gpl"
3102 cropdetect_filter_deps="gpl"
3103 deinterlace_qsv_filter_deps="libmfx"
3104 deinterlace_vaapi_filter_deps="vaapi"
3105 delogo_filter_deps="gpl"
3106 deshake_filter_select="pixelutils"
3107 drawtext_filter_deps="libfreetype"
3108 eq_filter_deps="gpl"
3109 fftfilt_filter_deps="avcodec"
3110 fftfilt_filter_select="rdft"
3111 find_rect_filter_deps="avcodec avformat gpl"
3112 firequalizer_filter_deps="avcodec"
3113 firequalizer_filter_select="rdft"
3114 flite_filter_deps="libflite"
3115 framerate_filter_select="pixelutils"
3116 frei0r_filter_deps="frei0r dlopen"
3117 frei0r_src_filter_deps="frei0r dlopen"
3118 fspp_filter_deps="gpl"
3119 geq_filter_deps="gpl"
3120 histeq_filter_deps="gpl"
3121 hqdn3d_filter_deps="gpl"
3122 interlace_filter_deps="gpl"
3123 kerndeint_filter_deps="gpl"
3124 ladspa_filter_deps="ladspa dlopen"
3125 mcdeint_filter_deps="avcodec gpl"
3126 movie_filter_deps="avcodec avformat"
3127 mpdecimate_filter_deps="gpl"
3128 mpdecimate_filter_select="pixelutils"
3129 mptestsrc_filter_deps="gpl"
3130 negate_filter_deps="lut_filter"
3131 nnedi_filter_deps="gpl"
3132 ocr_filter_deps="libtesseract"
3133 ocv_filter_deps="libopencv"
3134 owdenoise_filter_deps="gpl"
3135 pan_filter_deps="swresample"
3136 perspective_filter_deps="gpl"
3137 phase_filter_deps="gpl"
3138 pp7_filter_deps="gpl"
3139 pp_filter_deps="gpl postproc"
3140 pullup_filter_deps="gpl"
3141 removelogo_filter_deps="avcodec avformat swscale"
3142 repeatfields_filter_deps="gpl"
3143 resample_filter_deps="avresample"
3144 rubberband_filter_deps="librubberband"
3145 sab_filter_deps="gpl swscale"
3146 scale2ref_filter_deps="swscale"
3147 scale_filter_deps="swscale"
3148 scale_qsv_filter_deps="libmfx"
3149 select_filter_select="pixelutils"
3150 showcqt_filter_deps="avcodec avformat swscale"
3151 showcqt_filter_select="fft"
3152 showfreqs_filter_deps="avcodec"
3153 showfreqs_filter_select="fft"
3154 showspectrum_filter_deps="avcodec"
3155 showspectrum_filter_select="fft"
3156 showspectrumpic_filter_deps="avcodec"
3157 showspectrumpic_filter_select="fft"
3158 signature_filter_deps="gpl avcodec avformat"
3159 smartblur_filter_deps="gpl swscale"
3160 sofalizer_filter_deps="netcdf avcodec"
3161 sofalizer_filter_select="fft"
3162 spectrumsynth_filter_deps="avcodec"
3163 spectrumsynth_filter_select="fft"
3164 spp_filter_deps="gpl avcodec"
3165 spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"
3166 stereo3d_filter_deps="gpl"
3167 subtitles_filter_deps="avformat avcodec libass"
3168 super2xsai_filter_deps="gpl"
3169 pixfmts_super2xsai_test_deps="super2xsai_filter"
3170 tinterlace_filter_deps="gpl"
3171 tinterlace_merge_test_deps="tinterlace_filter"
3172 tinterlace_pad_test_deps="tinterlace_filter"
3173 uspp_filter_deps="gpl avcodec"
3174 vaguedenoiser_filter_deps="gpl"
3175 vidstabdetect_filter_deps="libvidstab"
3176 vidstabtransform_filter_deps="libvidstab"
3177 zmq_filter_deps="libzmq"
3178 zoompan_filter_deps="swscale"
3179 zscale_filter_deps="libzimg"
3180 scale_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
3183 avio_dir_cmd_deps="avformat avutil"
3184 avio_reading_deps="avformat avcodec avutil"
3185 decode_audio_example_deps="avcodec avutil"
3186 decode_video_example_deps="avcodec avutil"
3187 demuxing_decoding_example_deps="avcodec avformat avutil"
3188 encode_audio_example_deps="avcodec avutil"
3189 encode_video_example_deps="avcodec avutil"
3190 extract_mvs_example_deps="avcodec avformat avutil"
3191 filter_audio_example_deps="avfilter avutil"
3192 filtering_audio_example_deps="avfilter avcodec avformat avutil"
3193 filtering_video_example_deps="avfilter avcodec avformat avutil"
3194 http_multiclient_example_deps="avformat avutil fork"
3195 metadata_example_deps="avformat avutil"
3196 muxing_example_deps="avcodec avformat avutil swscale"
3197 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder"
3198 remuxing_example_deps="avcodec avformat avutil"
3199 resampling_audio_example_deps="avutil swresample"
3200 scaling_video_example_deps="avutil swscale"
3201 transcode_aac_example_deps="avcodec avformat swresample"
3202 transcoding_example_deps="avfilter avcodec avformat avutil"
3204 # libraries, in linking order
3205 avcodec_deps="avutil"
3206 avdevice_deps="avformat avcodec avutil"
3207 avfilter_deps="avutil"
3208 avformat_deps="avcodec avutil"
3209 avresample_deps="avutil"
3210 postproc_deps="avutil gpl"
3211 swresample_deps="avutil"
3212 swscale_deps="avutil"
3215 ffmpeg_deps="avcodec avfilter avformat swresample"
3216 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
3219 ffplay_deps="avcodec avformat swscale swresample sdl2"
3220 ffplay_libs='$sdl2_libs'
3221 ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"
3222 ffprobe_deps="avcodec avformat"
3223 ffserver_deps="avformat fork sarestart"
3224 ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
3227 podpages_deps="perl"
3228 manpages_deps="perl pod2man"
3229 htmlpages_deps="perl"
3230 htmlpages_deps_any="makeinfo_html texi2html"
3231 txtpages_deps="perl makeinfo"
3232 doc_deps_any="manpages htmlpages podpages txtpages"
3234 # default parameters
3236 logfile="config.log"
3238 # installation paths
3239 prefix_default="/usr/local"
3240 bindir_default='${prefix}/bin'
3241 datadir_default='${prefix}/share/ffmpeg'
3242 docdir_default='${prefix}/share/doc/ffmpeg'
3243 incdir_default='${prefix}/include'
3244 libdir_default='${prefix}/lib'
3245 mandir_default='${prefix}/share/man'
3251 host_cc_default="gcc"
3252 doxygen_default="doxygen"
3254 ln_s_default="ln -s -f"
3257 pkg_config_default=pkg-config
3258 ranlib_default="ranlib"
3259 strip_default="strip"
3260 version_script='--version-script'
3261 yasmexe_default="yasm"
3262 windres_default="windres"
3265 target_os_default=$(tolower $(uname -s))
3266 host_os=$target_os_default
3269 if test "$target_os_default" = aix; then
3270 arch_default=$(uname -p)
3271 strip_default="strip -X32_64"
3273 arch_default=$(uname -m)
3278 # configurable options
3279 enable $PROGRAM_LIST
3280 enable $DOCUMENT_LIST
3281 enable $EXAMPLE_LIST
3282 enable $(filter_out avresample $LIBRARY_LIST)
3288 enable faan faandct faanidct
3289 enable optimizations
3290 enable runtime_cpudetect
3291 enable safe_bitstream_reader
3293 enable swscale_alpha
3294 enable valgrind_backtrace
3296 sws_max_filter_size_default=256
3297 set_default sws_max_filter_size
3300 SHFLAGS='-shared -Wl,-soname,$$(@F)'
3303 FULLNAME='$(NAME)$(BUILDSUF)'
3304 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
3307 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
3308 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
3309 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
3310 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
3311 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
3312 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
3313 VERSION_SCRIPT_POSTPROCESS_CMD="cat"
3338 host_cflags_filter=echo
3339 host_ldflags_filter=echo
3341 target_path='$(CURDIR)'
3343 # since the object filename is not given with the -MM flag, the compiler
3344 # is only able to print the basename, and we must add the path ourselves
3345 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>/dev/null | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(@F),$(@D)/$(@F)," > $(@:.o=.d)'
3349 if test -f configure; then
3352 source_path=$(cd $(dirname "$0"); pwd)
3353 case "$source_path" in
3354 *[[:blank:]]*) die "Out of tree builds are impossible with whitespace in source path." ;;
3356 test -e "$source_path/config.h" &&
3357 die "Out of tree builds are impossible with config.h in source dir."
3364 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
3370 file=$source_path/$3
3371 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
3374 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
3375 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
3376 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
3377 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
3378 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
3379 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
3380 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
3381 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
3382 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
3384 find_things_extern(){
3387 file=$source_path/$3
3388 sed -n "s/^[^#]*extern.*$pattern *ff_\([^ ]*\)_$thing;/\1_$thing/p" "$file"
3391 BSF_LIST=$(find_things_extern bsf AVBitStreamFilter libavcodec/bitstream_filters.c)
3392 PROTOCOL_LIST=$(find_things_extern protocol URLProtocol libavformat/protocols.c)
3408 for n in $COMPONENT_LIST; do
3409 v=$(toupper ${n%s})_LIST
3411 eval ${n}_if_any="\$$v"
3414 enable $ARCH_EXT_LIST
3417 echo "Unknown option \"$1\"."
3418 echo "See $0 --help for available options."
3422 print_in_columns() {
3423 cols=$(expr $ncols / 24)
3424 cat | tr ' ' '\n' | sort | pr -r "-$cols" -w $ncols -t
3430 echo $* | sed s/$suffix//g | print_in_columns
3442 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
3443 echo "prob ${prob:-0.5}"
3451 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
3452 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
3461 --extra-ldexeflags=*)
3462 add_ldexeflags $optval
3464 --extra-ldlibflags=*)
3465 add_ldlibflags $optval
3468 add_extralibs $optval
3471 disable $INDEV_LIST $OUTDEV_LIST
3474 debuglevel="$optval"
3477 disable $PROGRAM_LIST
3479 --disable-everything)
3480 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3483 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3484 disable $LIBRARY_LIST $PROGRAM_LIST doc
3487 --enable-random|--disable-random)
3488 action=${opt%%-random}
3489 do_random ${action#--} $COMPONENT_LIST
3491 --enable-random=*|--disable-random=*)
3492 action=${opt%%-random=*}
3493 do_random ${action#--} $optval
3495 --enable-*=*|--disable-*=*)
3496 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
3497 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
3498 eval list=\$$(toupper $thing)_LIST
3499 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
3500 list=$(filter "$name" $list)
3501 [ "$list" = "" ] && warn "Option $opt did not match anything"
3504 --enable-?*|--disable-?*)
3505 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
3506 if is_in $option $COMPONENT_LIST; then
3507 test $action = disable && action=unset
3508 eval $action \$$(toupper ${option%s})_LIST
3509 elif is_in $option $CMDLINE_SELECT; then
3516 NAME="${opt#--list-}"
3517 is_in $NAME $COMPONENT_LIST || die_unknown $opt
3519 eval show_list $NAME \$$(toupper $NAME)_LIST
3521 --help|-h) show_help
3523 --quiet|-q) quiet=yes
3525 --fatal-warnings) enable fatal_warnings
3528 optname="${opt%%=*}"
3529 optname="${optname#--}"
3530 optname=$(echo "$optname" | sed 's/-/_/g')
3531 if is_in $optname $CMDLINE_SET; then
3532 eval $optname='$optval'
3533 elif is_in $optname $CMDLINE_APPEND; then
3534 append $optname "$optval"
3546 # Mark specifically enabled, but normally autodetected libraries as requested.
3547 for lib in $AUTODETECT_LIBS; do
3548 enabled $lib && request $lib
3551 # Enable platform codecs by default.
3552 enable_weak audiotoolbox
3554 # Enable hwaccels by default.
3555 enable_weak d3d11va dxva2 vaapi vda vdpau videotoolbox_hwaccel xvmc
3558 enable_weak cuda cuvid nvenc vda_framework videotoolbox videotoolbox_encoder
3560 disabled logging && logfile=/dev/null
3562 die_license_disabled() {
3563 enabled $1 || { enabled $v && die "$v is $1 and --enable-$1 is not specified."; }
3566 die_license_disabled_gpl() {
3567 enabled $1 || { enabled $v && die "$v is incompatible with the gpl and --enable-$1 is not specified."; }
3570 map "die_license_disabled gpl" $EXTERNAL_LIBRARY_GPL_LIST $EXTERNAL_LIBRARY_GPLV3_LIST
3571 map "die_license_disabled version3" $EXTERNAL_LIBRARY_VERSION3_LIST $EXTERNAL_LIBRARY_GPLV3_LIST
3573 enabled gpl && map "die_license_disabled_gpl nonfree" $EXTERNAL_LIBRARY_NONFREE_LIST
3574 map "die_license_disabled nonfree" $HWACCEL_LIBRARY_NONFREE_LIST
3576 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3578 # Disable all the library-specific components if the library itself
3579 # is disabled, see AVCODEC_LIST and following _LIST variables.
3581 disable_components(){
3582 disabled ${1} && disable $(
3583 eval components="\$$(toupper ${1})_COMPONENTS"
3584 map 'eval echo \${$(toupper ${v%s})_LIST}' $components
3588 map 'disable_components $v' $LIBRARY_LIST
3590 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
3593 test -n "$valgrind" && toolchain="valgrind-memcheck"
3595 case "$toolchain" in
3597 cc_default="${toolchain%-asan}"
3598 add_cflags -fsanitize=address
3599 add_ldflags -fsanitize=address
3602 cc_default="${toolchain%-msan}"
3603 add_cflags -fsanitize=memory -fsanitize-memory-track-origins
3604 add_ldflags -fsanitize=memory
3607 cc_default="${toolchain%-tsan}"
3608 add_cflags -fsanitize=thread -fPIE
3609 add_ldflags -fsanitize=thread -pie
3610 case "$toolchain" in
3618 cc_default="${toolchain%-usan}"
3619 add_cflags -fsanitize=undefined
3620 add_ldflags -fsanitize=undefined
3623 target_exec_default="valgrind"
3624 case "$toolchain" in
3626 target_exec_args="--tool=massif --alloc-fn=av_malloc --alloc-fn=av_mallocz --alloc-fn=av_calloc --alloc-fn=av_fast_padded_malloc --alloc-fn=av_fast_malloc --alloc-fn=av_realloc_f --alloc-fn=av_fast_realloc --alloc-fn=av_realloc"
3629 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
3634 # Check whether the current MSVC version needs the C99 converter.
3635 # From MSVC 2013 (compiler major version 18) onwards, it does actually
3636 # support enough of C99 to build ffmpeg. Default to the new
3637 # behaviour if the regexp was unable to match anything, since this
3638 # successfully parses the version number of existing supported
3639 # versions that require the converter (MSVC 2010 and 2012).
3640 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
3641 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
3644 cc_default="c99wrap cl"
3646 ld_default="$source_path/compat/windows/mslink"
3647 nm_default="dumpbin -symbols"
3654 target_os_default="win32"
3655 # Use a relative path for TMPDIR. This makes sure all the
3656 # ffconf temp files are written with a relative path, avoiding
3657 # issues with msys/win32 path conversion for MSVC parameters
3658 # such as -Fo<file> or -out:<file>.
3664 nm_default="dumpbin -symbols"
3666 target_os_default="win32"
3670 add_cflags -fprofile-arcs -ftest-coverage
3671 add_ldflags -fprofile-arcs -ftest-coverage
3674 add_cflags -fprofile-arcs -ftest-coverage
3675 add_ldflags --coverage
3678 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
3679 add_cflags -fno-strict-overflow -fstack-protector-all
3680 add_ldflags -Wl,-z,relro -Wl,-z,now
3682 add_ldexeflags -fPIE -pie
3685 die "Unknown toolchain $toolchain"
3689 test -n "$cross_prefix" && enable cross_compile
3691 if enabled cross_compile; then
3692 test -n "$arch" && test -n "$target_os" ||
3693 die "Must specify target arch (--arch) and OS (--target-os) when cross-compiling"
3696 ar_default="${cross_prefix}${ar_default}"
3697 cc_default="${cross_prefix}${cc_default}"
3698 cxx_default="${cross_prefix}${cxx_default}"
3699 nm_default="${cross_prefix}${nm_default}"
3700 pkg_config_default="${cross_prefix}${pkg_config_default}"
3701 if ${cross_prefix}${ranlib_default} 2>&1 | grep -q "\-D "; then
3702 ranlib_default="${cross_prefix}${ranlib_default} -D"
3704 ranlib_default="${cross_prefix}${ranlib_default}"
3706 strip_default="${cross_prefix}${strip_default}"
3707 windres_default="${cross_prefix}${windres_default}"
3709 sysinclude_default="${sysroot}/usr/include"
3711 set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \
3712 target_exec target_os yasmexe
3713 enabled cross_compile || host_cc_default=$cc
3716 pkg_config_fail_message=""
3717 if ! $pkg_config --version >/dev/null 2>&1; then
3718 warn "$pkg_config not found, library detection may fail."
3720 elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then
3721 pkg_config_fail_message="
3722 Note: When building a static binary, add --pkg-config-flags=\"--static\"."
3725 if test $doxygen != $doxygen_default && \
3726 ! $doxygen --version >/dev/null 2>&1; then
3727 warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."
3732 mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
3736 EXESUF=$(exesuf $target_os)
3737 HOSTEXESUF=$(exesuf $host_os)
3739 # set temporary file name
3740 : ${TMPDIR:=$TEMPDIR}
3744 if [ -n "$tempprefix" ] ; then
3746 echo $tempprefix.${HOSTNAME}.${UID}
3748 elif ! check_cmd mktemp -u XXXXXX; then
3749 # simple replacement for missing mktemp
3750 # NOT SAFE FOR GENERAL USE
3752 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
3757 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
3758 (set -C; exec > $tmp) 2>/dev/null ||
3759 die "Unable to create temporary file in $TMPDIR."
3760 append TMPFILES $tmp
3764 trap 'rm -f -- $TMPFILES' EXIT
3769 tmpfile TMPE $EXESUF
3781 # make sure we can execute files in $TMPDIR
3782 cat > $TMPSH 2>> $logfile <<EOF
3785 chmod +x $TMPSH >> $logfile 2>&1
3786 if ! $TMPSH >> $logfile 2>&1; then
3788 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
3789 variable to another directory and make sure that it is not mounted noexec.
3791 die "Sanity test failed."
3797 # Filter out MSVC cl.exe options from cflags that shouldn't
3798 # be passed to gas-preprocessor
3808 -std=c99) echo -c99 ;;
3809 -mcpu=*) echo -arch ${flag#*=} ;;
3810 -mieee) echo -ieee ;;
3811 -O*|-fast) echo $flag ;;
3812 -fno-math-errno) echo -assume nomath_errno ;;
3814 -Wall) echo -msg_enable level2 ;;
3815 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
3816 -Wl,*) echo $flag ;;
3826 -Wno-switch) echo -Wno-switch-enum ;;
3827 -Wno-format-zero-length) ;;
3828 -Wdisabled-optimization) ;;
3829 -Wno-pointer-sign) echo -Wno-other ;;
3835 msvc_common_flags(){
3838 # In addition to specifying certain flags under the compiler
3839 # specific filters, they must be specified here as well or else the
3840 # generic catch all at the bottom will print the original flag.
3844 -fomit-frame-pointer) ;;
3848 -fno-signed-zeros) ;;
3852 -lz) echo zlib.lib ;;
3853 -lavicap32) echo vfw32.lib user32.lib ;;
3854 -lx264) echo libx264.lib ;;
3855 -l*) echo ${flag#-l}.lib ;;
3856 -LARGEADDRESSAWARE) echo $flag ;;
3857 -L*) echo -libpath:${flag#-L} ;;
3864 msvc_common_flags "$@"
3867 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
3868 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
3869 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
3871 -wd4273 -wd4554 -wd4701 -wd4703 ;;
3877 msvc_common_flags "$@"
3880 # Despite what Intel's documentation says -Wall, which is supported
3881 # on Windows, does enable remarks so disable them here.
3882 -Wall) echo $flag -Qdiag-disable:remark ;;
3883 -std=c99) echo -Qstd=c99 ;;
3901 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
3902 -fomit-frame-pointer) echo -Mnoframe ;;
3913 case "${flag#*=}" in
3914 native) echo -xtarget=native ;;
3915 v9|niagara) echo -xarch=sparc ;;
3916 ultrasparc) echo -xarch=sparcvis ;;
3917 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
3918 i586|pentium) echo -xchip=pentium ;;
3919 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
3920 pentium3*|c3-2) echo -xtarget=pentium3 ;;
3921 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
3922 pentium4*) echo -xtarget=pentium4 ;;
3923 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
3924 *-sse3) echo -xarch=sse3 ;;
3925 core2) echo -xarch=ssse3 -xchip=core2 ;;
3926 bonnell) echo -xarch=ssse3 ;;
3927 corei7|nehalem) echo -xtarget=nehalem ;;
3928 westmere) echo -xtarget=westmere ;;
3929 silvermont) echo -xarch=sse4_2 ;;
3930 corei7-avx|sandybridge) echo -xtarget=sandybridge ;;
3931 core-avx*|ivybridge|haswell|broadwell|skylake*|knl)
3933 amdfam10|barcelona) echo -xtarget=barcelona ;;
3934 btver1) echo -xarch=amdsse4a ;;
3935 btver2|bdver*|znver*) echo -xarch=avx ;;
3936 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
3937 k8|opteron|athlon64|athlon-fx)
3938 echo -xarch=sse2a ;;
3939 athlon*) echo -xarch=pentium_proa ;;
3942 -std=c99) echo -xc99 ;;
3943 -fomit-frame-pointer) echo -xregs=frameptr ;;
3944 -fPIC) echo -KPIC -xcode=pic32 ;;
3945 -W*,*) echo $flag ;;
3946 -f*-*|-W*|-mimpure-text) ;;
3957 case "${flag#*=}" in
3958 armv7-a|cortex-a*) echo -mv=7a8 ;;
3959 armv7-r|cortex-r*) echo -mv=7r4 ;;
3960 armv7-m|cortex-m*) echo -mv=7m3 ;;
3961 armv6*|arm11*) echo -mv=6 ;;
3962 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
3964 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
3967 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
3968 -mfpu=vfp) echo --float_support=vfpv2 ;;
3969 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
3970 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
3971 -msoft-float) echo --float_support=vfplib ;;
3972 -O[0-3]|-mf=*) echo $flag ;;
3974 -pds=*) echo $flag ;;
3975 -D*|-I*) echo $flag ;;
3976 --gcc|--abi=*) echo $flag ;;
3987 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
3988 unset _ld_o _ldflags _ld_lib _ld_path
3989 unset _depflags _DEPCMD _DEPFLAGS
3992 if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
3993 true # no-op to avoid reading stdin in following checks
3994 elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
3996 gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')
3997 _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"
3998 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4001 elif $_cc -v 2>&1 | grep -qi ^gcc; then
4003 gcc_version=$($_cc --version | head -n1)
4004 gcc_basever=$($_cc -dumpversion)
4005 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
4006 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
4007 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
4008 case $gcc_basever in
4011 *) _depflags='-MMD -MF $(@:.o=.d) -MT $@' ;;
4013 if [ "$first" = true ]; then
4014 case $gcc_basever in
4016 warn "gcc 4.2 is outdated and may miscompile FFmpeg. Please use a newer compiler." ;;
4021 elif $_cc --version 2>/dev/null | grep -q ^icc; then
4023 _ident=$($_cc --version | head -n1)
4028 _flags_filter=icc_flags
4029 elif $_cc -v 2>&1 | grep -q xlc; then
4031 _ident=$($_cc -qversion 2>/dev/null | head -n1)
4033 _cflags_size='-O5 -qcompact'
4034 elif $_cc -V 2>/dev/null | grep -q Compaq; then
4036 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
4038 _cflags_speed='-fast'
4040 _flags_filter=ccc_flags
4041 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
4042 test -d "$sysroot" || die "No valid sysroot specified."
4044 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
4045 armcc_conf="$PWD/armcc.conf"
4046 $_cc --arm_linux_configure \
4047 --arm_linux_config_file="$armcc_conf" \
4048 --configure_sysroot="$sysroot" \
4049 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
4050 die "Error creating armcc configuration file."
4051 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
4052 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
4053 as_default="${cross_prefix}gcc"
4057 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
4059 _ident=$($_cc -version | head -n1 | tr -s ' ')
4060 _flags='--gcc --abi=eabi -me'
4063 _depflags='-ppa -ppd=$(@:.o=.d)'
4064 _cflags_speed='-O3 -mf=5'
4065 _cflags_size='-O3 -mf=2'
4066 _flags_filter=tms470_flags
4067 elif $_cc -v 2>&1 | grep -q clang; then
4069 _ident=$($_cc --version 2>/dev/null | head -n1)
4070 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4073 elif $_cc -V 2>&1 | grep -q Sun; then
4075 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
4076 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
4077 _DEPFLAGS='-xM1 -xc99'
4080 _cflags_size='-O5 -xspace'
4081 _flags_filter=suncc_flags
4082 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
4084 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
4085 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4088 _flags_filter='filter_out -Wdisabled-optimization'
4089 elif $_cc -v 2>&1 | grep -q Open64; then
4091 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
4092 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4095 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
4096 elif $_cc -V 2>&1 | grep -q Portland; then
4098 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
4099 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
4100 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
4101 _cflags_size="-O2 -Munroll=c:1 $opt_common"
4103 _flags_filter=pgi_flags
4104 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
4106 _ident=$($_cc | head -n1)
4107 # 4509: "This form of conditional instruction is deprecated"
4108 _flags="-nologo -ignore 4509"
4109 _flags_filter=armasm_flags
4110 elif $_cc 2>&1 | grep -q Intel; then
4112 _ident=$($_cc 2>&1 | head -n1)
4113 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
4114 # Not only is O3 broken on 13.x+ but it is slower on all previous
4115 # versions (tested) as well.
4117 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
4118 if $_cc 2>&1 | grep -q Linker; then
4125 _flags_filter=icl_flags
4127 _ld_path='-libpath:'
4128 # -Qdiag-error to make icl error when seeing certain unknown arguments
4129 _flags='-nologo -Qdiag-error:4044,10157'
4130 # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency
4131 # with MSVC which enables it by default.
4132 _cflags='-Qms0 -Qvec- -Qsimd- -GS -fp:precise'
4134 elif $_cc -? 2>/dev/null | grep -q 'LLVM.*Linker'; then
4135 # lld can emulate multiple different linkers; in ms link.exe mode,
4136 # the -? parameter gives the help output which contains an identifyable
4137 # string, while it gives an error in other modes.
4139 # The link.exe mode doesn't have a switch for getting the version,
4140 # but we can force it back to gnu mode and get the version from there.
4141 _ident=$($_cc -flavor gnu --version 2>/dev/null)
4143 _flags_filter=msvc_flags
4145 _ld_path='-libpath:'
4146 elif $_cc -nologo- 2>&1 | grep -q Microsoft; then
4148 _ident=$($_cc 2>&1 | head -n1)
4149 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
4150 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
4153 if $_cc -nologo- 2>&1 | grep -q Linker; then
4160 _flags_filter=msvc_flags
4162 _ld_path='-libpath:'
4165 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
4167 _ident=$($_cc --version | head -n1)
4171 _flags_filter=cparser_flags
4174 eval ${pfx}_type=\$_type
4175 eval ${pfx}_ident=\$_ident
4179 eval ${1}_C=\${_cc_c-\${${1}_C}}
4180 eval ${1}_E=\${_cc_e-\${${1}_E}}
4181 eval ${1}_O=\${_cc_o-\${${1}_O}}
4183 if [ -n "$_depflags" ]; then
4184 eval ${1}_DEPFLAGS=\$_depflags
4186 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
4187 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
4188 eval DEP${1}FLAGS=\$_flags
4192 probe_cc cc "$cc" "true"
4193 cflags_filter=$_flags_filter
4194 cflags_speed=$_cflags_speed
4195 cflags_size=$_cflags_size
4196 cflags_noopt=$_cflags_noopt
4197 add_cflags $_flags $_cflags
4198 cc_ldflags=$_ldflags
4201 probe_cc hostcc "$host_cc"
4202 host_cflags_filter=$_flags_filter
4203 add_host_cflags $_flags $_cflags
4206 test -n "$cc_type" && enable $cc_type ||
4207 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
4209 : ${as_default:=$cc}
4210 : ${objcc_default:=$cc}
4211 : ${dep_cc_default:=$cc}
4212 : ${ld_default:=$cc}
4213 : ${host_ld_default:=$host_cc}
4214 set_default ar as objcc dep_cc ld ln_s host_ld windres
4217 asflags_filter=$_flags_filter
4218 add_asflags $_flags $_cflags
4221 probe_cc objcc "$objcc"
4222 objcflags_filter=$_flags_filter
4223 add_objcflags $_flags $_cflags
4227 ldflags_filter=$_flags_filter
4228 add_ldflags $_flags $_ldflags
4229 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
4231 LD_LIB=${_ld_lib-$LD_LIB}
4232 LD_PATH=${_ld_path-$LD_PATH}
4234 probe_cc hostld "$host_ld"
4235 host_ldflags_filter=$_flags_filter
4236 add_host_ldflags $_flags $_ldflags
4237 HOSTLD_O=${_ld_o-$HOSTLD_O}
4239 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
4240 probe_cc depcc "$dep_cc"
4241 CCDEP=${_DEPCMD:-$DEPCMD}
4242 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
4246 if $ar 2>&1 | grep -q Microsoft; then
4249 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
4252 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
4253 arflags='-Xany -r -c'
4255 elif $ar 2>&1 | grep -q "\[D\] "; then
4263 add_cflags $extra_cflags
4264 add_cxxflags $extra_cxxflags
4265 add_objcflags $extra_objcflags
4266 add_asflags $extra_cflags
4268 if test -n "$sysroot"; then
4271 add_cppflags --sysroot="$sysroot"
4272 add_ldflags --sysroot="$sysroot"
4273 # On Darwin --sysroot may be ignored, -isysroot always affects headers and linking
4274 add_cppflags -isysroot "$sysroot"
4275 add_ldflags -isysroot "$sysroot"
4278 add_cppflags -I"$sysinclude"
4279 add_ldflags --sysroot="$sysroot"
4284 if test "$cpu" = host; then
4285 enabled cross_compile &&
4286 die "--cpu=host makes no sense when cross-compiling."
4291 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
4293 s/.*$1=\\([^ ]*\\).*/\\1/
4298 cpu=$(check_native -march || check_native -mcpu)
4302 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
4303 sed -n "/cc1.*-target-cpu /{
4304 s/.*-target-cpu \\([^ ]*\\).*/\\1/
4309 cpu=$(check_native -march)
4313 test "${cpu:-host}" = host &&
4314 die "--cpu=host not supported with compiler $cc"
4317 # Deal with common $arch aliases
4341 "Power Macintosh"|ppc*|powerpc*)
4356 i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
4361 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
4364 # Add processor-specific flags
4365 if enabled aarch64; then
4369 cpuflags="-march=$cpu"
4372 cpuflags="-mcpu=$cpu"
4376 elif enabled alpha; then
4378 cpuflags="-mcpu=$cpu"
4380 elif enabled arm; then
4383 check_cpp_condition stddef.h \
4384 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
4389 if check_arm_arch 4; then echo armv4
4390 elif check_arm_arch 4T; then echo armv4t
4391 elif check_arm_arch 5; then echo armv5
4392 elif check_arm_arch 5E; then echo armv5e
4393 elif check_arm_arch 5T; then echo armv5t
4394 elif check_arm_arch 5TE; then echo armv5te
4395 elif check_arm_arch 5TEJ; then echo armv5te
4396 elif check_arm_arch 6; then echo armv6
4397 elif check_arm_arch 6J; then echo armv6j
4398 elif check_arm_arch 6K; then echo armv6k
4399 elif check_arm_arch 6Z; then echo armv6z
4400 elif check_arm_arch 6ZK; then echo armv6zk
4401 elif check_arm_arch 6T2; then echo armv6t2
4402 elif check_arm_arch 7; then echo armv7
4403 elif check_arm_arch 7A 7_A; then echo armv7-a
4404 elif check_arm_arch 7S; then echo armv7-a
4405 elif check_arm_arch 7R 7_R; then echo armv7-r
4406 elif check_arm_arch 7M 7_M; then echo armv7-m
4407 elif check_arm_arch 7EM 7E_M; then echo armv7-m
4408 elif check_arm_arch 8A 8_A; then echo armv8-a
4412 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
4416 cpuflags="-march=$cpu"
4417 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
4420 cpuflags="-mcpu=$cpu"
4422 cortex-a*) subarch=armv7a ;;
4423 cortex-r*) subarch=armv7r ;;
4424 cortex-m*) enable thumb; subarch=armv7m ;;
4425 arm11*) subarch=armv6 ;;
4426 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
4427 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
4428 *) subarch=$(probe_arm_arch) ;;
4434 armv5t*) enable fast_clz ;;
4437 disabled fast_unaligned || enable fast_unaligned
4441 elif enabled avr32; then
4446 cpuflags="-mpart=$cpu"
4450 cpuflags="-march=$cpu"
4454 cpuflags="-mcpu=$cpu"
4458 cpuflags="-march=$cpu"
4462 elif enabled bfin; then
4464 cpuflags="-mcpu=$cpu"
4466 elif enabled mips; then
4468 cpuflags="-march=$cpu"
4470 if [ "$cpu" != "generic" ]; then
4480 24kc|24kf*|24kec|34kc|1004kc|24kef*|34kf*|1004kf*|74kc|74kf)
4491 enable local_aligned_8 local_aligned_16 local_aligned_32
4492 enable simd_align_16
4496 enable fast_unaligned
4497 disable aligned_stack
4503 cpuflags="-march=loongson3a -mhard-float -fno-expensive-optimizations"
4506 cpuflags="-march=loongson2e -mhard-float -fno-expensive-optimizations"
4509 cpuflags="-march=loongson2f -mhard-float -fno-expensive-optimizations"
4514 # Unknown CPU. Disable everything.
4515 warn "unknown CPU. Disabling all MIPS optimizations."
4538 24kef*|34kf*|1004kf*)
4546 check_cflags "-mtune=p5600" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops"
4550 check_cflags "-mtune=i6400 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64"
4554 check_cflags "-mtune=p6600 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64"
4558 # We do not disable anything. Is up to the user to disable the unwanted features.
4559 warn 'generic cpu selected'
4562 elif enabled ppc; then
4566 case $(tolower $cpu) in
4567 601|ppc601|powerpc601)
4568 cpuflags="-mcpu=601"
4571 603*|ppc603*|powerpc603*)
4572 cpuflags="-mcpu=603"
4575 604*|ppc604*|powerpc604*)
4576 cpuflags="-mcpu=604"
4579 g3|75*|ppc75*|powerpc75*)
4580 cpuflags="-mcpu=750"
4583 g4|745*|ppc745*|powerpc745*)
4584 cpuflags="-mcpu=7450"
4587 74*|ppc74*|powerpc74*)
4588 cpuflags="-mcpu=7400"
4591 g5|970|ppc970|powerpc970)
4592 cpuflags="-mcpu=970"
4596 cpuflags="-mcpu=$cpu"
4600 cpuflags="-mcpu=$cpu"
4603 cpuflags="-mcpu=cell"
4608 cpuflags="-mcpu=e500mc"
4612 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
4617 cpuflags="-mcpu=8540 -mhard-float"
4623 elif enabled sparc; then
4626 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
4627 cpuflags="-mcpu=$cpu"
4629 ultrasparc*|niagara[234])
4630 cpuflags="-mcpu=$cpu"
4634 elif enabled x86; then
4638 cpuflags="-march=$cpu"
4642 # targets that do NOT support nopl and conditional mov (cmov)
4643 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
4644 cpuflags="-march=$cpu"
4647 # targets that do support nopl and conditional mov (cmov)
4648 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\
4649 |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|skylake*|knl\
4650 |amdfam10|barcelona|b[dt]ver*|znver*)
4651 cpuflags="-march=$cpu"
4655 # targets that do support conditional mov but on which it's slow
4656 pentium4|pentium4m|prescott|nocona)
4657 cpuflags="-march=$cpu"
4665 if [ "$cpu" != generic ]; then
4666 add_cflags $cpuflags
4667 add_asflags $cpuflags
4668 test "$cc_type" = "$ld_type" && add_ldflags $cpuflags
4671 # compiler sanity check
4673 int main(void){ return 0; }
4675 if test "$?" != 0; then
4676 echo "$cc is unable to create an executable file."
4677 if test -z "$cross_prefix" && ! enabled cross_compile ; then
4678 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
4679 echo "Only do this if you know what cross compiling means."
4681 die "C compiler test failed."
4684 add_cppflags -D_ISOC99_SOURCE
4685 add_cxxflags -D__STDC_CONSTANT_MACROS
4686 check_cxxflags -std=c++11 || check_cxxflags -std=c++0x
4688 # some compilers silently accept -std=c11, so we also need to check that the
4689 # version macro is defined properly
4690 if test_cflags_cc -std=c11 ctype.h "__STDC_VERSION__ >= 201112L"; then
4693 check_cflags -std=c99
4696 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
4699 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
4703 add_host_cppflags -D_ISOC99_SOURCE
4704 check_host_cflags -std=c99
4705 check_host_cflags -Wall
4706 check_host_cflags -O3
4712 check_code cc "" "int test[2*($expr) - 1]" &&
4713 subarch=$arch64 || subarch=$arch32
4721 check_64bit mips mips64 '_MIPS_SIM > 1'
4725 check_64bit parisc parisc64 'sizeof(void *) > 4'
4729 check_64bit ppc ppc64 'sizeof(void *) > 4'
4733 check_64bit s390 s390x 'sizeof(void *) > 4'
4737 check_64bit sparc sparc64 'sizeof(void *) > 4'
4741 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
4742 # Treat x32 as x64 for now. Note it also needs spic=$shared
4743 test "$subarch" = "x86_32" && check_cpp_condition stddef.h 'defined(__x86_64__)' &&
4745 if test "$subarch" = "x86_64"; then
4750 check_cc <<EOF && subarch="ppc64"
4751 int test[(int)sizeof(char*) - 7];
4757 enabled spic && enable_weak pic
4763 add_cppflags '-I\$(SRC_PATH)/compat/aix'
4764 enabled shared && add_ldflags -Wl,-brtl
4768 enable section_data_rel_ro
4769 SLIB_INSTALL_NAME='$(SLIBNAME)'
4771 SHFLAGS='-shared -Wl,-soname,$(SLIBNAME)'
4774 prefix_default="/boot/common"
4775 network_extralibs="-lnetwork"
4779 SHFLAGS='-shared -Wl,-h,$$(@F)'
4780 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
4781 network_extralibs="-lsocket -lnsl"
4782 add_cppflags -D__EXTENSIONS__
4783 # When using suncc to build, the Solaris linker will mark
4784 # an executable with each instruction set encountered by
4785 # the Solaris assembler. As our libraries contain their own
4786 # guards for processor-specific code, instead suppress
4787 # generation of the HWCAPS ELF section on Solaris x86 only.
4788 enabled_all suncc x86 &&
4789 echo "hwcap_1 = OVERRIDE;" > mapfile &&
4790 add_ldflags -Wl,-M,mapfile
4791 nm_default='nm -P -g'
4793 VERSION_SCRIPT_POSTPROCESS_CMD='perl $(SRC_PATH)/compat/solaris/make_sunver.pl - $(OBJS)'
4797 oss_indev_extralibs="-lossaudio"
4798 oss_outdev_extralibs="-lossaudio"
4799 enabled gcc || check_ldflags -Wl,-zmuldefs
4804 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
4806 oss_indev_extralibs="-lossaudio"
4807 oss_outdev_extralibs="-lossaudio"
4815 add_extralibs -lpoll -lgnugetopt
4819 enabled ppc && add_asflags -force_cpusubtype_ALL
4820 install_name_dir_default='$(SHLIBDIR)'
4821 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(INSTALL_NAME_DIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
4822 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
4824 add_ldflags -Wl,-dynamic,-search_paths_first
4826 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
4827 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
4829 enabled x86_64 && objformat="macho64"
4830 enabled_any pic shared x86_64 ||
4831 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
4832 check_header dispatch/dispatch.h &&
4833 add_cppflags '-I\$(SRC_PATH)/compat/dispatch_semaphore'
4834 version_script='-exported_symbols_list'
4835 VERSION_SCRIPT_POSTPROCESS_CMD='tr " " "\n" | sed -n /global:/,/local:/p | grep ";" | tr ";" "\n" | sed -E "s/(.+)/_\1/g" | sed -E "s/(.+[^*])$$$$/\1*/"'
4838 die "Native MSYS builds are discouraged, please use the MINGW environment."
4841 if test $target_os = "mingw32ce"; then
4846 decklink_outdev_extralibs="$decklink_outdev_extralibs -lole32 -loleaut32"
4847 decklink_indev_extralibs="$decklink_indev_extralibs -lole32 -loleaut32"
4849 if enabled x86_64; then
4850 LIBTARGET="i386:x86-64"
4851 elif enabled arm; then
4854 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
4855 enabled x86_32 && check_ldflags -Wl,--large-address-aware
4856 shlibdir_default="$bindir_default"
4859 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4860 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4861 dlltool="${cross_prefix}dlltool"
4862 if check_cmd lib.exe -list; then
4863 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe -nologo -machine:$(LIBTARGET) -def:$$(@:$(SLIBSUF)=.def) -out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4864 if enabled x86_64; then
4867 elif check_cmd $dlltool --version; then
4868 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
4870 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4872 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4873 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4874 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--disable-auto-image-base'
4878 check_ldflags -Wl,--nxcompat,--dynamicbase
4879 # Lets work around some stupidity in binutils.
4880 # ld will strip relocations from executables even though we need them
4881 # for dynamicbase (ASLR). Using -pie does retain the reloc section
4882 # however ld then forgets what the entry point should be (oops) so we
4883 # have to manually (re)set it.
4884 if enabled x86_32; then
4885 disabled debug && add_ldexeflags -Wl,--pic-executable,-e,_mainCRTStartup
4886 elif enabled x86_64; then
4887 disabled debug && add_ldexeflags -Wl,--pic-executable,-e,mainCRTStartup
4888 check_ldflags -Wl,--high-entropy-va # binutils 2.25
4889 # Set image base >4GB for extra entropy with HEASLR
4890 add_ldexeflags -Wl,--image-base,0x140000000
4891 append SHFLAGS -Wl,--image-base,0x180000000
4896 if enabled shared; then
4897 # Link to the import library instead of the normal static library
4900 # Cannot build both shared and static libs with MSVC or icl.
4903 enabled x86_32 && check_ldflags -LARGEADDRESSAWARE
4904 shlibdir_default="$bindir_default"
4907 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4908 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4909 SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
4910 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4912 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4913 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4914 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4921 shlibdir_default="$bindir_default"
4924 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4925 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4926 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4928 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
4929 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
4932 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
4933 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4935 *-dos|freedos|opendos)
4936 network_extralibs="-lsocket"
4939 add_cppflags -U__STRICT_ANSI__
4943 enable section_data_rel_ro
4947 ranlib="echo ignoring ranlib"
4952 add_cppflags -D_GNU_SOURCE
4953 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
4954 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
4958 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4959 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(FULLNAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
4960 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(FULLNAME).def; \
4961 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(FULLNAME).def; \
4962 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(FULLNAME).def; \
4963 echo EXPORTS >> $(SUBDIR)$(FULLNAME).def; \
4964 emxexp $(OBJS) >> $(SUBDIR)$(FULLNAME).def'
4965 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(FULLNAME)_dll.a $(SUBDIR)$(FULLNAME).def; \
4966 emximp -o $(SUBDIR)$(LIBPREF)$(FULLNAME)_dll.lib $(SUBDIR)$(FULLNAME).def;'
4967 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4969 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(FULLNAME)_dll.a $(LIBPREF)$(FULLNAME)_dll.lib'
4971 enable_weak os2threads
4974 add_cppflags -D_BSD_SOURCE
4979 add_cppflags -D_QNX_SOURCE
4980 network_extralibs="-lsocket"
4985 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
4986 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
4987 add_ldflags -Wl,--target1-abs,--no-undefined \
4988 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
4989 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
4990 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
4991 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
4992 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
4995 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
5002 die "Unknown OS '$target_os'."
5006 # test if creating links works
5007 link_dest=$(mktemp -u $TMPDIR/dest_XXXXXXXX)
5008 link_name=$(mktemp -u $TMPDIR/name_XXXXXXXX)
5010 $ln_s "$link_dest" "$link_name"
5011 touch "$link_dest/test_file"
5012 if [ "$source_path" != "." ] && ([ ! -d src ] || [ -L src ]) && [ -e "$link_name/test_file" ]; then
5013 # create link to source path
5014 [ -e src ] && rm src
5015 $ln_s "$source_path" src
5018 # creating directory links doesn't work
5019 # fall back to using the full source path
5020 source_link="$source_path"
5026 # determine libc flavour
5031 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
5032 if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
5033 eval ${pfx}libc_type=uclibc
5034 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
5035 elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then
5036 eval ${pfx}libc_type=glibc
5037 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
5038 # MinGW headers can be installed on Cygwin, so check for newlib first.
5039 elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
5040 eval ${pfx}libc_type=newlib
5041 add_${pfx}cppflags -U__STRICT_ANSI__
5042 # MinGW64 is backwards compatible with MinGW32, so check for it first.
5043 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
5044 eval ${pfx}libc_type=mingw64
5045 if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then
5046 add_compat msvcrt/snprintf.o
5047 add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
5049 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
5050 eval test \$${pfx_no_}cc_type = "gcc" &&
5051 add_${pfx}cppflags -D__printf__=__gnu_printf__
5052 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" ||
5053 check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
5054 eval ${pfx}libc_type=mingw32
5055 check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
5056 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
5057 die "ERROR: MinGW32 runtime version must be >= 3.15."
5058 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
5059 check_${pfx}cpp_condition _mingw.h "defined(_WIN32_WINNT) && _WIN32_WINNT >= 0x0502" ||
5060 add_${pfx}cppflags -D_WIN32_WINNT=0x0502
5061 check_${pfx}cpp_condition _mingw.h "__MSVCRT_VERSION__ < 0x0700__" &&
5062 add_${pfx}cppflags -D__MSVCRT_VERSION__=0x0700
5063 eval test \$${pfx_no_}cc_type = "gcc" &&
5064 add_${pfx}cppflags -D__printf__=__gnu_printf__
5065 elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
5066 eval ${pfx}libc_type=msvcrt
5067 if check_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then
5068 if [ "$pfx" = host_ ]; then
5069 add_host_cppflags -Dsnprintf=_snprintf
5071 add_compat strtod.o strtod=avpriv_strtod
5072 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
5073 _snprintf=avpriv_snprintf \
5074 vsnprintf=avpriv_vsnprintf
5077 add_${pfx}cppflags -D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS
5078 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
5079 # 0x601 by default unless something else is set by the user.
5080 # This can easily lead to us detecting functions only present
5081 # in such new versions and producing binaries requiring windows 7.0.
5082 # Therefore explicitly set the default to XP unless the user has
5083 # set something else on the command line.
5084 # Don't do this if WINAPI_FAMILY is set and is set to a non-desktop
5085 # family. For these cases, configure is free to use any functions
5086 # found in the SDK headers by default. (Alternatively, we could force
5087 # _WIN32_WINNT to 0x0602 in that case.)
5088 check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||
5089 { check_${pfx}cpp <<EOF && add_${pfx}cppflags -D_WIN32_WINNT=0x0502; }
5090 #ifdef WINAPI_FAMILY
5091 #include <winapifamily.h>
5092 #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
5097 if [ "$pfx" = "" ]; then
5098 check_func strtoll || add_cflags -Dstrtoll=_strtoi64
5099 check_func strtoull || add_cflags -Dstrtoull=_strtoui64
5101 elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
5102 eval ${pfx}libc_type=klibc
5103 elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then
5104 eval ${pfx}libc_type=bionic
5105 elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then
5106 eval ${pfx}libc_type=solaris
5107 add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
5109 check_${pfx}cc <<EOF
5111 void *v = localtime_r;
5113 test "$?" != 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
5115 void *v = localtime_r;
5121 test -n "$libc_type" && enable libc_$libc_type
5123 test -n "$host_libc_type" && enable host_libc_$host_libc_type
5127 add_compat strtod.o strtod=avpriv_strtod
5131 # hacks for compiler/libc/os combinations
5133 if enabled_all tms470 libc_glibc; then
5134 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
5135 add_cppflags -D__USER_LABEL_PREFIX__=
5136 add_cppflags -D__builtin_memset=memset
5137 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
5138 add_cflags -pds=48 # incompatible redefinition of macro
5141 if enabled_all ccc libc_glibc; then
5142 add_ldflags -Wl,-z,now # calls to libots crash without this
5145 check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||
5146 add_cppflags '-I\$(SRC_PATH)/compat/float'
5149 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
5152 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
5154 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
5157 : ${shlibdir_default:="$libdir"}
5158 : ${pkgconfigdir_default:="$libdir/pkgconfig"}
5160 set_default $PATHS_LIST
5163 # we need to build at least one lib type
5164 if ! enabled_any static shared; then
5166 At least one library type must be built.
5167 Specify --enable-static to build the static libraries or --enable-shared to
5168 build the shared libraries as well. To only build the shared libraries specify
5169 --disable-static in addition to --enable-shared.
5174 disabled optimizations || check_cflags -fomit-frame-pointer
5177 disabled pic && return
5180 case "$target_os" in
5190 enabled pic && enable_weak_pic
5192 check_cc <<EOF || die "Symbol mangling check failed."
5195 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
5196 extern_prefix=${sym%%ff_extern*}
5198 check_cc <<EOF && enable_weak inline_asm
5199 void foo(void) { __asm__ volatile ("" ::); }
5203 for restrict_keyword in restrict __restrict__ __restrict; do
5204 check_cc <<EOF && _restrict=$restrict_keyword && break
5205 void foo(char * $restrict_keyword p);
5209 check_cc <<EOF && enable pragma_deprecated
5210 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
5213 check_cc <<EOF && enable attribute_packed
5214 struct { int x; } __attribute__((packed)) x;
5217 check_cc <<EOF && enable attribute_may_alias
5218 union { int x; } __attribute__((may_alias)) x;
5221 check_cc <<EOF || die "endian test failed"
5222 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
5224 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
5226 if ! enabled ppc64 || enabled bigendian; then
5231 log "check_gas using '$as' as AS"
5232 # :vararg is used on aarch64, arm and ppc altivec
5233 check_as <<EOF || return 1
5234 .macro m n, y:vararg=0
5239 # .altmacro is only used in arm asm
5240 ! enabled arm || check_as <<EOF || return 1
5247 if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then
5249 enabled_any arm aarch64 && nogas=die
5250 enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn
5254 arm*) gaspp_as_type=armasm; as_noop=-h ;;
5255 gcc) gaspp_as_type=gas ;;
5256 *) gaspp_as_type=$as_type ;;
5259 [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"
5261 test "${as#*gas-preprocessor.pl}" != "$as" ||
5262 check_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- ${as:=$cc} $as_noop &&
5263 gas="${gas:=gas-preprocessor.pl} -arch $arch -as-type $gaspp_as_type -- ${as:=$cc}"
5265 if ! check_gas ; then
5268 $nogas "GNU assembler not found, install/update gas-preprocessor"
5271 check_as <<EOF && enable as_func
5277 check_inline_asm inline_asm_labels '"1:\n"'
5279 check_inline_asm inline_asm_nonlocal_labels '"Label:\n"'
5281 if enabled aarch64; then
5282 enabled armv8 && check_insn armv8 'prfm pldl1strm, [x0]'
5283 # internal assembler in clang 3.3 does not support this instruction
5284 enabled neon && check_insn neon 'ext v0.8B, v0.8B, v1.8B, #1'
5285 enabled vfp && check_insn vfp 'fmadd d0, d0, d1, d2'
5287 map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM
5289 elif enabled alpha; then
5293 elif enabled arm; then
5295 enabled msvc && check_cpp_condition stddef.h "defined _M_ARMT" && enable thumb
5297 check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb
5298 float func(float a, float b){ return a+b; }
5301 enabled thumb && check_cflags -mthumb || check_cflags -marm
5303 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
5305 elif check_cpp_condition stddef.h "defined _M_ARM_FP && _M_ARM_FP >= 30"; then
5307 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__" && [ $target_os != darwin ]; then
5308 case "${cross_prefix:-$cc}" in
5309 *hardfloat*) enable vfp_args; fpabi=vfp ;;
5310 *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
5311 __asm__ (".eabi_attribute 28, 1");
5312 int main(void) { return 0; }
5315 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
5318 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
5319 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
5320 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
5321 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
5322 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
5323 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
5324 enabled setend && check_insn setend 'setend be'
5326 [ $target_os = linux ] || [ $target_os = android ] ||
5327 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
5330 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
5332 check_as <<EOF && enable as_dn_directive
5336 check_as <<EOF && enable as_fpu_directive
5340 # llvm's integrated assembler supports .object_arch from llvm 3.5
5341 [ "$objformat" = elf ] && check_as <<EOF && enable as_object_arch
5345 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
5347 elif enabled mips; then
5349 enabled loongson2 && check_inline_asm loongson2 '"dmult.g $8, $9, $10"'
5350 enabled loongson3 && check_inline_asm loongson3 '"gsldxc1 $f0, 0($2, $3)"'
5351 enabled mmi && check_inline_asm mmi '"punpcklhw $f0, $f0, $f0"'
5353 # Enable minimum ISA based on selected options
5354 if enabled mips64; then
5355 enabled mips64r6 && check_inline_asm_flags mips64r6 '"dlsa $0, $0, $0, 1"' '-mips64r6'
5356 enabled mips64r2 && check_inline_asm_flags mips64r2 '"dext $0, $0, 0, 1"' '-mips64r2'
5357 disabled mips64r6 && disabled mips64r2 && check_inline_asm_flags mips64r1 '"daddi $0, $0, 0"' '-mips64'
5359 enabled mips32r6 && check_inline_asm_flags mips32r6 '"aui $0, $0, 0"' '-mips32r6'
5360 enabled mips32r5 && check_inline_asm_flags mips32r5 '"eretnc"' '-mips32r5'
5361 enabled mips32r2 && check_inline_asm_flags mips32r2 '"ext $0, $0, 0, 1"' '-mips32r2'
5362 disabled mips32r6 && disabled mips32r5 && disabled mips32r2 && check_inline_asm_flags mips32r1 '"addi $0, $0, 0"' '-mips32'
5365 enabled mipsfpu && check_inline_asm_flags mipsfpu '"cvt.d.l $f0, $f2"' '-mhard-float'
5366 enabled mipsfpu && (enabled mips32r5 || enabled mips32r6 || enabled mips64r6) && check_inline_asm_flags mipsfpu '"cvt.d.l $f0, $f1"' '-mfp64'
5367 enabled mipsfpu && enabled msa && check_inline_asm_flags msa '"addvi.b $w0, $w1, 1"' '-mmsa' && check_header msa.h || disable msa
5368 enabled mipsdsp && check_inline_asm_flags mipsdsp '"addu.qb $t0, $t1, $t2"' '-mdsp'
5369 enabled mipsdspr2 && check_inline_asm_flags mipsdspr2 '"absq_s.qb $t0, $t1"' '-mdspr2'
5371 elif enabled parisc; then
5373 if enabled gcc; then
5374 case $($cc -dumpversion) in
5375 4.[3-9].*) check_cflags -fno-optimize-sibling-calls ;;
5379 elif enabled ppc; then
5381 enable local_aligned_8 local_aligned_16 local_aligned_32
5383 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
5384 check_inline_asm ibm_asm '"add 0, 0, 0"'
5385 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
5386 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
5388 # AltiVec flags: The FSF version of GCC differs from the Apple version
5389 if enabled altivec; then
5390 check_cflags -maltivec -mabi=altivec &&
5391 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
5392 check_cflags -faltivec
5394 # check if our compiler supports Motorola AltiVec C API
5395 check_cc <<EOF || disable altivec
5398 vector signed int v1 = (vector signed int) { 0 };
5399 vector signed int v2 = (vector signed int) { 1 };
5400 v1 = vec_add(v1, v2);
5405 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
5408 if enabled vsx; then
5409 check_cflags -mvsx &&
5410 check_builtin vec_vsx_ld "altivec.h" "__builtin_vec_vsx_ld" || disable vsx
5413 if enabled power8; then
5414 check_cpp_condition "altivec.h" "defined(_ARCH_PWR8)" || disable power8
5417 elif enabled x86; then
5419 check_builtin rdtsc intrin.h "__rdtsc()"
5420 check_builtin mm_empty mmintrin.h "_mm_empty()"
5422 enable local_aligned_8 local_aligned_16 local_aligned_32
5424 # check whether EBP is available on x86
5425 # As 'i' is stored on the stack, this program will crash
5426 # if the base pointer is used to access it because the
5427 # base pointer is cleared in the inline assembly code.
5428 check_exec_crash <<EOF && enable ebp_available
5430 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
5434 # check whether EBX is available on x86
5435 check_inline_asm ebx_available '""::"b"(0)' &&
5436 check_inline_asm ebx_available '"":::"%ebx"'
5438 # check whether xmm clobbers are supported
5439 check_inline_asm xmm_clobbers '"":::"%xmm0"'
5441 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' ||
5442 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"'
5444 # check whether binutils is new enough to compile SSSE3/MMXEXT
5445 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
5446 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
5448 if ! disabled_any asm mmx yasm; then
5449 if check_cmd $yasmexe --version; then
5450 enabled x86_64 && yasm_extra="-m amd64"
5451 yasm_debug="-g dwarf2"
5452 elif check_cmd nasm -v; then
5454 yasm_debug="-g -F dwarf"
5455 if enabled x86_64; then
5456 case "$objformat" in
5457 elf) objformat=elf64 ;;
5458 win32) objformat=win64 ;;
5463 YASMFLAGS="-f $objformat $yasm_extra"
5464 enabled pic && append YASMFLAGS "-DPIC"
5465 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
5466 case "$objformat" in
5467 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
5470 check_yasm "movbe ecx, [5]" && enable yasm ||
5471 die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."
5472 check_yasm "vextracti128 xmm0, ymm0, 0" || disable avx2_external
5473 check_yasm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external
5474 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
5475 check_yasm "CPU amdnop" || disable cpunop
5479 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
5486 check_code cc arm_neon.h "int16x8_t test = vdupq_n_s16(0)" && enable intrinsics_neon
5488 check_ldflags -Wl,--as-needed
5489 check_ldflags -Wl,-z,noexecstack
5491 if check_func dlopen && check_func dlsym; then
5493 elif check_func dlopen -ldl && check_func dlsym -ldl; then
5497 avisynth_demuxer_extralibs='$ldl'
5498 cuda_extralibs='$ldl'
5499 decklink_outdev_extralibs="$decklink_outdev_extralibs $ldl"
5500 decklink_indev_extralibs="$decklink_indev_extralibs $ldl"
5501 frei0r_filter_extralibs='$ldl'
5502 frei0r_src_filter_extralibs='$ldl'
5503 ladspa_filter_extralibs='$ldl'
5504 nvenc_extralibs='$ldl'
5505 coreimage_filter_extralibs="-framework QuartzCore -framework AppKit -framework OpenGL"
5506 coreimagesrc_filter_extralibs="-framework QuartzCore -framework AppKit -framework OpenGL"
5508 if ! disabled network; then
5509 check_func getaddrinfo $network_extralibs
5510 check_func inet_aton $network_extralibs
5512 check_type netdb.h "struct addrinfo"
5513 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
5514 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
5515 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
5516 check_type poll.h "struct pollfd"
5517 check_type netinet/sctp.h "struct sctp_event_subscribe"
5518 check_struct "sys/socket.h" "struct msghdr" msg_flags
5519 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
5520 check_type netinet/in.h "struct sockaddr_in6"
5521 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
5522 check_type "sys/types.h sys/socket.h" socklen_t
5524 # Prefer arpa/inet.h over winsock2
5525 if check_header arpa/inet.h ; then
5526 check_func closesocket
5527 elif check_header winsock2.h ; then
5528 check_func_headers winsock2.h closesocket -lws2 &&
5529 network_extralibs="-lws2" ||
5530 { check_func_headers winsock2.h closesocket -lws2_32 &&
5531 network_extralibs="-lws2_32"; } || disable winsock2_h network
5532 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
5534 check_type ws2tcpip.h socklen_t
5535 check_type ws2tcpip.h "struct addrinfo"
5536 check_type ws2tcpip.h "struct group_source_req"
5537 check_type ws2tcpip.h "struct ip_mreq_source"
5538 check_type ws2tcpip.h "struct ipv6_mreq"
5539 check_type winsock2.h "struct pollfd"
5540 check_struct winsock2.h "struct sockaddr" sa_len
5541 check_type ws2tcpip.h "struct sockaddr_in6"
5542 check_type ws2tcpip.h "struct sockaddr_storage"
5548 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
5549 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
5550 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
5551 check_builtin sarestart signal.h "SA_RESTART"
5552 check_builtin sem_timedwait semaphore.h "sem_t *s; sem_init(s,0,0); sem_timedwait(s,0); sem_destroy(s)" -lpthread
5553 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
5554 check_builtin gmtime_r time.h "time_t *time; struct tm *tm; gmtime_r(time, tm)"
5555 check_builtin localtime_r time.h "time_t *time; struct tm *tm; localtime_r(time, tm)"
5556 check_builtin x264_csp_bgr "stdint.h x264.h" "X264_CSP_BGR"
5558 case "$custom_allocator" in
5560 # jemalloc by default does not use a prefix
5561 require libjemalloc jemalloc/jemalloc.h malloc -ljemalloc
5564 require_pkg_config libtcmalloc gperftools/tcmalloc.h tc_malloc
5569 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
5570 check_func ${malloc_prefix}memalign && enable memalign
5571 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
5574 check_func_headers stdlib.h arc4random
5575 check_func_headers time.h clock_gettime ||
5576 { check_lib time.h clock_gettime -lrt && LIBRT="-lrt"; }
5579 check_func gethrtime
5581 check_func getrusage
5582 check_func gettimeofday
5584 check_func mach_absolute_time
5588 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
5589 check_func_headers time.h nanosleep ||
5590 { check_lib time.h nanosleep -lrt && LIBRT="-lrt"; }
5591 check_func sched_getaffinity
5592 check_func setrlimit
5593 check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE
5594 check_func strerror_r
5599 check_func_headers conio.h kbhit
5600 check_func_headers io.h setmode
5601 check_func_headers lzo/lzo1x.h lzo1x_999_compress
5602 check_func_headers stdlib.h getenv
5603 check_func_headers sys/stat.h lstat
5605 check_func_headers windows.h CoTaskMemFree -lole32
5606 check_func_headers windows.h GetProcessAffinityMask
5607 check_func_headers windows.h GetProcessTimes
5608 check_func_headers windows.h GetSystemTimeAsFileTime
5609 check_func_headers windows.h LoadLibrary
5610 check_func_headers windows.h MapViewOfFile
5611 check_func_headers windows.h PeekNamedPipe
5612 check_func_headers windows.h SetConsoleTextAttribute
5613 check_func_headers windows.h SetConsoleCtrlHandler
5614 check_func_headers windows.h Sleep
5615 check_func_headers windows.h VirtualAlloc
5616 check_struct windows.h "CONDITION_VARIABLE" Ptr
5617 check_func_headers glob.h glob
5619 check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext
5621 check_header AudioToolbox/AudioToolbox.h
5622 check_header direct.h
5623 check_header dirent.h
5624 check_header dlfcn.h
5625 check_header d3d11.h
5627 check_header dxva2api.h -D_WIN32_WINNT=0x0600
5629 check_header libcrystalhd/libcrystalhd_if.h
5630 check_header mach/mach_time.h
5631 check_header malloc.h
5632 check_header net/udplite.h
5634 check_header sys/mman.h
5635 check_header sys/param.h
5636 check_header sys/resource.h
5637 check_header sys/select.h
5638 check_header sys/time.h
5639 check_header sys/un.h
5640 check_header termios.h
5641 check_header unistd.h
5642 check_header valgrind/valgrind.h
5643 check_header vdpau/vdpau.h
5644 check_header vdpau/vdpau_x11.h
5645 check_header VideoDecodeAcceleration/VDADecoder.h
5646 check_header VideoToolbox/VideoToolbox.h
5647 check_func_headers VideoToolbox/VTCompressionSession.h VTCompressionSessionPrepareToEncodeFrames -framework VideoToolbox
5648 enabled videotoolbox && check_func_headers CoreVideo/CVImageBuffer.h kCVImageBufferColorPrimaries_ITU_R_2020 -framework CoreVideo
5649 check_header windows.h
5650 check_header X11/extensions/XvMClib.h
5651 check_header asm/types.h
5653 # it seems there are versions of clang in some distros that try to use the
5654 # gcc headers, which explodes for stdatomic
5655 # so we also check that atomics actually work here
5656 check_builtin stdatomic_h stdatomic.h "atomic_int foo, bar = ATOMIC_VAR_INIT(-1); atomic_store(&foo, 0)"
5658 check_lib "windows.h shellapi.h" CommandLineToArgvW -lshell32
5659 check_lib "windows.h wincrypt.h" CryptGenRandom -ladvapi32
5660 check_lib "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
5662 check_lib "CoreServices/CoreServices.h" UTGetOSTypeFromString "-framework CoreServices"
5664 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
5666 check_type "windows.h dxva.h" "DXVA_PicParams_HEVC" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0
5667 check_type "windows.h dxva.h" "DXVA_PicParams_VP9" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0
5668 check_type "windows.h d3d11.h" "ID3D11VideoDecoder"
5669 check_type "windows.h d3d11.h" "ID3D11VideoContext"
5670 check_type "d3d9.h dxva2api.h" DXVA2_ConfigPictureDecode -D_WIN32_WINNT=0x0602
5672 check_type "va/va.h va/va_dec_hevc.h" "VAPictureParameterBufferHEVC"
5673 check_struct "va/va.h" "VADecPictureParameterBufferVP9" bit_depth
5674 check_type "va/va.h va/va_vpp.h" "VAProcPipelineParameterBuffer"
5675 check_type "va/va.h va/va_enc_h264.h" "VAEncPictureParameterBufferH264"
5676 check_type "va/va.h va/va_enc_hevc.h" "VAEncPictureParameterBufferHEVC"
5677 check_type "va/va.h va/va_enc_jpeg.h" "VAEncPictureParameterBufferJPEG"
5678 check_type "va/va.h va/va_enc_mpeg2.h" "VAEncPictureParameterBufferMPEG2"
5679 check_type "va/va.h va/va_enc_vp8.h" "VAEncPictureParameterBufferVP8"
5681 check_type "vdpau/vdpau.h" "VdpPictureInfoHEVC"
5683 check_cpp_condition windows.h "!WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)" && enable winrt || disable winrt
5685 if ! disabled w32threads && ! enabled pthreads; then
5686 check_func_headers "windows.h process.h" _beginthreadex &&
5687 enable w32threads || disable w32threads
5688 if ! enabled w32threads && enabled winrt; then
5689 check_func_headers "windows.h" CreateThread &&
5690 enable w32threads || disable w32threads
5694 # check for some common methods of building with pthread support
5695 # do this before the optional library checks as some of them require pthreads
5696 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
5698 if check_func pthread_join -pthread && check_func pthread_create -pthread; then
5700 add_extralibs -pthread
5701 elif check_func pthread_join -pthreads && check_func pthread_create -pthreads; then
5702 add_cflags -pthreads
5703 add_extralibs -pthreads
5704 elif check_func pthread_join -ldl -pthread && check_func pthread_create -ldl -pthread; then
5705 add_cflags -ldl -pthread
5706 add_extralibs -ldl -pthread
5707 elif check_func pthread_join -lpthreadGC2 && check_func pthread_create -lpthreadGC2; then
5708 add_extralibs -lpthreadGC2
5709 elif check_lib pthread.h pthread_join -lpthread && check_lib pthread.h pthread_create -lpthread; then
5711 elif ! check_func pthread_join && ! check_func pthread_create; then
5714 check_code cc "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER" || disable pthreads
5718 if enabled pthreads; then
5719 check_func pthread_cancel
5723 check_builtin sem_timedwait semaphore.h "sem_t *s; sem_init(s,0,0); sem_timedwait(s,0); sem_destroy(s)"
5725 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
5726 disabled bzlib || check_lib bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
5727 disabled lzma || check_lib lzma.h lzma_version_number -llzma || disable lzma
5729 check_lib math.h sin -lm && LIBM="-lm"
5730 disabled crystalhd || check_lib "stdint.h libcrystalhd/libcrystalhd_if.h" DtsCrystalHDVersion -lcrystalhd || disable crystalhd
5738 for func in $MATH_FUNCS; do
5739 eval check_mathfunc $func \${${func}_args:-1} $LIBM
5742 for func in $COMPLEX_FUNCS; do
5743 eval check_complexfunc $func \${${func}_args:-1}
5746 # these are off by default, so fail if requested and not available
5747 enabled avfoundation_indev && { check_header_objcc AVFoundation/AVFoundation.h || disable avfoundation_indev; }
5748 enabled avfoundation_indev && { check_lib CoreGraphics/CoreGraphics.h CGGetActiveDisplayList -framework CoreGraphics ||
5749 check_lib ApplicationServices/ApplicationServices.h CGGetActiveDisplayList -framework ApplicationServices; }
5750 enabled cuda && check_header cuda.h # this is not a dependency
5751 enabled cuvid && { enabled cuda ||
5752 die "ERROR: CUVID requires CUDA"; }
5753 enabled chromaprint && require chromaprint chromaprint.h chromaprint_get_version -lchromaprint
5754 enabled coreimage_filter && { check_header_objcc QuartzCore/CoreImage.h || disable coreimage_filter; }
5755 enabled coreimagesrc_filter && { check_header_objcc QuartzCore/CoreImage.h || disable coreimagesrc_filter; }
5756 enabled decklink && { { check_header DeckLinkAPI.h || die "ERROR: DeckLinkAPI.h header not found"; } &&
5757 { check_cpp_condition DeckLinkAPIVersion.h "BLACKMAGIC_DECKLINK_API_VERSION >= 0x0a060100" || die "ERROR: Decklink API version must be >= 10.6.1."; } }
5758 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
5759 enabled gmp && require gmp gmp.h mpz_export -lgmp
5760 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
5761 enabled jni && { [ $target_os = "android" ] && check_header jni.h && enabled pthreads &&
5762 check_lib "dlfcn.h" dlopen -ldl || die "ERROR: jni not found"; }
5763 enabled ladspa && { check_header ladspa.h || die "ERROR: ladspa.h header not found"; }
5764 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
5765 enabled libass && require_pkg_config libass ass/ass.h ass_library_init
5766 enabled libbluray && require_pkg_config libbluray libbluray/bluray.h bd_open
5767 enabled libbs2b && require_pkg_config libbs2b bs2b.h bs2b_open
5768 enabled libcelt && require libcelt celt/celt.h celt_decode -lcelt0 &&
5769 { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
5770 die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
5771 enabled libcaca && require_pkg_config caca caca.h caca_create_canvas
5772 enabled libdc1394 && require_pkg_config libdc1394-2 dc1394/dc1394.h dc1394_new
5773 enabled libfdk_aac && { use_pkg_config fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen ||
5774 { require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac &&
5775 warn "using libfdk without pkg-config"; } }
5776 flite_libs="-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"
5777 enabled libflite && require libflite "flite/flite.h" flite_init $flite_libs
5778 enabled fontconfig && enable libfontconfig
5779 enabled libfontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
5780 enabled libfreetype && require_libfreetype
5781 enabled libfribidi && require_pkg_config fribidi fribidi.h fribidi_version_info
5782 enabled libgme && require libgme gme/gme.h gme_new_emu -lgme -lstdc++
5783 enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
5784 check_lib "${gsm_hdr}" gsm_create -lgsm && break;
5785 done || die "ERROR: libgsm not found"; }
5786 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
5787 enabled libkvazaar && require_pkg_config "kvazaar >= 0.8.1" kvazaar.h kvz_api_get
5788 enabled libmfx && require_pkg_config libmfx "mfx/mfxvideo.h" MFXInit
5789 enabled libmodplug && require_pkg_config libmodplug libmodplug/modplug.h ModPlug_Load
5790 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
5791 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
5792 enabled libnpp && require libnpp npp.h nppGetLibVersion -lnppi -lnppc
5793 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
5794 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
5795 enabled libopencv && { check_header opencv2/core/core_c.h &&
5796 { use_pkg_config opencv opencv2/core/core_c.h cvCreateImageHeader ||
5797 require opencv opencv2/core/core_c.h cvCreateImageHeader -lopencv_core -lopencv_imgproc; } ||
5798 require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader; }
5799 enabled libopenh264 && require_pkg_config openh264 wels/codec_api.h WelsGetCodecVersion
5800 enabled libopenjpeg && { { check_lib openjpeg-2.1/openjpeg.h opj_version -lopenjp2 -DOPJ_STATIC && add_cppflags -DOPJ_STATIC; } ||
5801 check_lib openjpeg-2.1/openjpeg.h opj_version -lopenjp2 ||
5802 { check_lib openjpeg-2.0/openjpeg.h opj_version -lopenjp2 -DOPJ_STATIC && add_cppflags -DOPJ_STATIC; } ||
5803 { check_lib openjpeg-1.5/openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC && add_cppflags -DOPJ_STATIC; } ||
5804 { check_lib openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC && add_cppflags -DOPJ_STATIC; } ||
5805 die "ERROR: libopenjpeg not found"; }
5806 enabled libopenmpt && require_pkg_config "libopenmpt >= 0.2.6557" libopenmpt/libopenmpt.h openmpt_module_create
5807 enabled libopus && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
5808 enabled libpulse && require_pkg_config libpulse pulse/pulseaudio.h pa_context_new
5809 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
5810 enabled librubberband && require_pkg_config "rubberband >= 1.8.1" rubberband/rubberband-c.h rubberband_new
5811 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
5812 enabled libshine && require_pkg_config shine shine/layer3.h shine_encode_buffer
5813 enabled libsmbclient && { use_pkg_config smbclient libsmbclient.h smbc_init ||
5814 require smbclient libsmbclient.h smbc_init -lsmbclient; }
5815 enabled libsnappy && require libsnappy snappy-c.h snappy_compress -lsnappy
5816 enabled libsoxr && require libsoxr soxr.h soxr_create -lsoxr && LIBSOXR="-lsoxr"
5817 enabled libssh && require_pkg_config libssh libssh/sftp.h sftp_init
5818 enabled libspeex && require_pkg_config speex speex/speex.h speex_decoder_init -lspeex
5819 enabled libtesseract && require_pkg_config tesseract tesseract/capi.h TessBaseAPICreate
5820 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
5821 enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame &&
5822 { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
5823 die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
5824 enabled libv4l2 && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
5825 enabled libvidstab && require_pkg_config "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit
5826 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
5827 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
5830 enabled libvpx_vp8_decoder && {
5831 use_pkg_config "vpx >= 0.9.1" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp8_dx ||
5832 check_lib "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
5833 die "ERROR: libvpx decoder version must be >=0.9.1";
5835 enabled libvpx_vp8_encoder && {
5836 use_pkg_config "vpx >= 0.9.7" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp8_cx ||
5837 check_lib "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VP8E_SET_MAX_INTRA_BITRATE_PCT" -lvpx ||
5838 die "ERROR: libvpx encoder version must be >=0.9.7";
5840 enabled libvpx_vp9_decoder && {
5841 use_pkg_config "vpx >= 1.3.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx ||
5842 check_lib "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx ||
5843 disable libvpx_vp9_decoder;
5845 enabled libvpx_vp9_encoder && {
5846 use_pkg_config "vpx >= 1.3.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx ||
5847 check_lib "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VP9E_SET_AQ_MODE" -lvpx ||
5848 disable libvpx_vp9_encoder;
5850 if disabled_all libvpx_vp8_decoder libvpx_vp9_decoder libvpx_vp8_encoder libvpx_vp9_encoder; then
5851 die "libvpx enabled but no supported decoders found"
5855 enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack
5856 enabled libwebp && {
5857 enabled libwebp_encoder && require_pkg_config "libwebp >= 0.2.0" webp/encode.h WebPGetEncoderVersion
5858 enabled libwebp_anim_encoder && { use_pkg_config "libwebpmux >= 0.4.0" webp/mux.h WebPAnimEncoderOptionsInit || disable libwebp_anim_encoder; } }
5859 enabled libx264 && { use_pkg_config x264 "stdint.h x264.h" x264_encoder_encode ||
5860 { require libx264 "stdint.h x264.h" x264_encoder_encode -lx264 &&
5861 warn "using libx264 without pkg-config"; } } &&
5862 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
5863 die "ERROR: libx264 must be installed and version must be >= 0.118."; } &&
5864 { check_cpp_condition x264.h "X264_MPEG2" &&
5866 enabled libx265 && require_pkg_config x265 x265.h x265_api_get &&
5867 { check_cpp_condition x265.h "X265_BUILD >= 68" ||
5868 die "ERROR: libx265 version must be >= 68."; }
5869 enabled libxavs && require libxavs "stdint.h xavs.h" xavs_encoder_encode -lxavs
5870 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
5871 enabled libzimg && require_pkg_config "zimg >= 2.3.0" zimg.h zimg_get_api_version
5872 enabled libzmq && require_pkg_config libzmq zmq.h zmq_ctx_new
5873 enabled libzvbi && require libzvbi libzvbi.h vbi_decoder_new -lzvbi &&
5874 { check_cpp_condition libzvbi.h "VBI_VERSION_MAJOR > 0 || VBI_VERSION_MINOR > 2 || VBI_VERSION_MINOR == 2 && VBI_VERSION_MICRO >= 28" ||
5875 enabled gpl || die "ERROR: libzvbi requires version 0.2.28 or --enable-gpl."; }
5876 enabled mediacodec && { enabled jni || die "ERROR: mediacodec requires --enable-jni"; }
5877 enabled mmal && { check_lib interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ||
5878 { ! enabled cross_compile &&
5879 add_cflags -isystem/opt/vc/include/ -isystem/opt/vc/include/interface/vmcs_host/linux -isystem/opt/vc/include/interface/vcos/pthreads -fgnu89-inline &&
5880 add_ldflags -L/opt/vc/lib/ &&
5881 check_lib interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host; } ||
5882 die "ERROR: mmal not found" &&
5883 check_func_headers interface/mmal/mmal.h "MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS"; }
5884 enabled netcdf && require_pkg_config netcdf netcdf.h nc_inq_libvers
5885 enabled openal && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
5886 check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
5887 die "ERROR: openal not found"; } &&
5888 { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
5889 die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
5890 enabled opencl && { check_lib OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||
5891 check_lib CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||
5892 die "ERROR: opencl not found"; } &&
5893 { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||
5894 check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||
5895 die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }
5896 enabled opengl && { check_lib GL/glx.h glXGetProcAddress "-lGL" ||
5897 check_lib windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||
5898 check_lib OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||
5899 check_lib ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||
5900 die "ERROR: opengl not found."
5902 enabled omx_rpi && { check_header OMX_Core.h ||
5903 { ! enabled cross_compile && add_cflags -isystem/opt/vc/include/IL && check_header OMX_Core.h ; } ||
5904 die "ERROR: OpenMAX IL headers not found"; }
5905 enabled omx && { check_header OMX_Core.h || die "ERROR: OpenMAX IL headers not found"; }
5906 enabled openssl && { use_pkg_config openssl openssl/ssl.h OPENSSL_init_ssl ||
5907 use_pkg_config openssl openssl/ssl.h SSL_library_init ||
5908 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
5909 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
5910 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
5911 die "ERROR: openssl not found"; }
5912 enabled qtkit_indev && { check_header_objcc QTKit/QTKit.h || disable qtkit_indev; }
5914 if enabled gcrypt; then
5915 GCRYPT_CONFIG="${cross_prefix}libgcrypt-config"
5916 if "${GCRYPT_CONFIG}" --version > /dev/null 2>&1; then
5917 gcrypt_cflags=$("${GCRYPT_CONFIG}" --cflags)
5918 gcrypt_libs=$("${GCRYPT_CONFIG}" --libs)
5919 check_func_headers gcrypt.h gcry_mpi_new $gcrypt_cflags $gcrypt_libs ||
5920 die "ERROR: gcrypt not found"
5921 add_cflags $gcrypt_cflags && add_extralibs $gcrypt_libs
5923 require gcrypt gcrypt.h gcry_mpi_new -lgcrypt
5927 disabled sdl && disable sdl2
5928 if ! disabled sdl2; then
5929 SDL2_CONFIG="${cross_prefix}sdl2-config"
5930 if check_pkg_config sdl2 SDL_events.h SDL_PollEvent; then
5931 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x020001" $sdl2_cflags &&
5932 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x020100" $sdl2_cflags &&
5933 check_func SDL_Init $sdl2_libs $sdl2_cflags && enable sdl2
5935 if "${SDL2_CONFIG}" --version > /dev/null 2>&1; then
5936 sdl2_cflags=$("${SDL2_CONFIG}" --cflags)
5937 sdl2_libs=$("${SDL2_CONFIG}" --libs)
5938 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x020001" $sdl2_cflags &&
5939 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x020100" $sdl2_cflags &&
5940 check_func SDL_Init $sdl2_libs $sdl2_cflags && enable sdl2
5943 if test $target_os = "mingw32"; then
5944 sdl2_libs="$sdl2_libs -mconsole"
5947 enabled sdl2 && enable sdl && add_cflags $sdl2_cflags && add_extralibs $sdl2_libs
5949 disabled securetransport || { check_func SecIdentityCreate "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&
5950 check_lib "Security/SecureTransport.h Security/Security.h" "SSLCreateContext SecItemImport" "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&
5951 enable securetransport; }
5953 disabled schannel || { check_func_headers "windows.h security.h" InitializeSecurityContext -DSECURITY_WIN32 -lsecur32 &&
5954 check_cpp_condition winerror.h "defined(SEC_I_CONTEXT_EXPIRED)" && enable schannel && add_extralibs -lsecur32; }
5956 makeinfo --version > /dev/null 2>&1 && enable makeinfo || disable makeinfo
5958 && [ 0$(makeinfo --version | grep "texinfo" | sed 's/.*texinfo[^0-9]*\([0-9]*\)\..*/\1/') -ge 5 ] \
5959 && enable makeinfo_html || disable makeinfo_html
5960 disabled makeinfo_html && texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
5961 perl -v > /dev/null 2>&1 && enable perl || disable perl
5962 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
5963 rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout
5965 check_header linux/fb.h
5966 check_header linux/videodev.h
5967 check_header linux/videodev2.h
5968 check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete
5970 check_header sys/videoio.h
5971 check_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete
5973 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
5974 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
5975 # w32api 3.12 had it defined wrong
5976 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
5978 check_type "dshow.h" IBaseFilter
5980 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
5981 { check_header dev/bktr/ioctl_meteor.h &&
5982 check_header dev/bktr/ioctl_bt848.h; } ||
5983 { check_header machine/ioctl_meteor.h &&
5984 check_header machine/ioctl_bt848.h; } ||
5985 { check_header dev/video/meteor/ioctl_meteor.h &&
5986 check_header dev/video/bktr/ioctl_bt848.h; } ||
5987 check_header dev/ic/bt8xx.h
5989 check_header sndio.h
5990 if check_struct sys/soundcard.h audio_buf_info bytes; then
5991 enable_safe sys/soundcard.h
5993 check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
5994 #include <sys/soundcard.h>
5998 check_header soundcard.h
6000 enabled_any alsa_indev alsa_outdev &&
6001 check_lib alsa/asoundlib.h snd_pcm_htimestamp -lasound
6003 enabled jack_indev && check_lib jack/jack.h jack_client_open -ljack &&
6004 check_func jack_port_get_latency_range -ljack
6006 enabled_any sndio_indev sndio_outdev && check_lib sndio.h sio_open -lsndio
6008 if enabled libcdio; then
6009 check_lib "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
6010 check_lib "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
6011 die "ERROR: No usable libcdio/cdparanoia found"
6014 if ! disabled libxcb; then
6015 check_pkg_config "xcb >= 1.4" xcb/xcb.h xcb_connect || {
6016 enabled libxcb && die "ERROR: libxcb >= 1.4 not found";
6019 if enabled libxcb; then
6020 disabled libxcb_shm || {
6021 check_pkg_config xcb-shm xcb/shm.h xcb_shm_attach || {
6022 enabled libxcb_shm && die "ERROR: libxcb_shm not found";
6023 } && check_header sys/shm.h && enable libxcb_shm; }
6025 disabled libxcb_xfixes || {
6026 check_pkg_config xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image || {
6027 enabled libxcb_xfixes && die "ERROR: libxcb_xfixes not found";
6028 } && enable libxcb_xfixes; }
6030 disabled libxcb_shape || {
6031 check_pkg_config xcb-shape xcb/shape.h xcb_shape_get_rectangles || {
6032 enabled libxcb_shape && die "ERROR: libxcb_shape not found";
6033 } && enable libxcb_shape; }
6035 add_cflags $xcb_cflags $xcb_shm_cflags $xcb_xfixes_cflags $xcb_shape_cflags
6036 add_extralibs $xcb_libs $xcb_shm_libs $xcb_xfixes_libs $xcb_shape_libs
6040 check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs"
6042 enabled dxva2api_h &&
6043 check_cc <<EOF && enable dxva2api_cobj
6044 #define _WIN32_WINNT 0x0600
6046 #include <windows.h>
6048 #include <dxva2api.h>
6049 int main(void) { IDirectXVideoDecoder *o = NULL; IDirectXVideoDecoder_Release(o); return 0; }
6053 check_lib va/va.h vaInitialize -lva ||
6057 check_code cc "va/va.h" "vaCreateSurfaces(0, 0, 0, 0, 0, 0, 0, 0)" ||
6061 check_lib "va/va.h va/va_drm.h" vaGetDisplayDRM -lva -lva-drm &&
6065 check_lib "va/va.h va/va_x11.h" vaGetDisplay -lva -lva-x11 -lX11 &&
6069 check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
6073 check_lib "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau -lX11 &&
6076 if enabled x86; then
6078 mingw32*|mingw64*|win32|win64|linux|cygwin*)
6081 disable cuda cuvid nvenc
6085 disable cuda cuvid nvenc
6089 check_cc -I$source_path <<EOF || disable nvenc
6090 #include "compat/nvenc/nvEncodeAPI.h"
6091 NV_ENCODE_API_FUNCTION_LIST flist;
6092 void f(void) { struct { const GUID guid; } s[] = { { NV_ENC_PRESET_HQ_GUID } }; }
6093 int main(void) { return 0; }
6096 # Funny iconv installations are not unusual, so check it after all flags have been set
6097 disabled iconv || check_func_headers iconv.h iconv || check_lib iconv.h iconv -liconv || disable iconv
6099 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
6101 # add some useful compiler flags if supported
6102 check_cflags -Wdeclaration-after-statement
6104 check_cflags -Wdisabled-optimization
6105 check_cflags -Wpointer-arith
6106 check_cflags -Wredundant-decls
6107 check_cflags -Wwrite-strings
6108 check_cflags -Wtype-limits
6109 check_cflags -Wundef
6110 check_cflags -Wmissing-prototypes
6111 check_cflags -Wno-pointer-to-int-cast
6112 check_cflags -Wstrict-prototypes
6113 check_cflags -Wempty-body
6115 if enabled extra_warnings; then
6116 check_cflags -Wcast-qual
6117 check_cflags -Wextra
6118 check_cflags -Wpedantic
6121 check_disable_warning(){
6122 warning_flag=-W${1#-Wno-}
6123 test_cflags $warning_flag && add_cflags $1
6126 check_disable_warning -Wno-parentheses
6127 check_disable_warning -Wno-switch
6128 check_disable_warning -Wno-format-zero-length
6129 check_disable_warning -Wno-pointer-sign
6130 check_disable_warning -Wno-unused-const-variable
6132 check_disable_warning_headers(){
6133 warning_flag=-W${1#-Wno-}
6134 test_cflags $warning_flag && add_cflags_headers $1
6137 check_disable_warning_headers -Wno-deprecated-declarations
6138 check_disable_warning_headers -Wno-unused-variable
6140 # add some linker flags
6141 check_ldflags -Wl,--warn-common
6142 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
6143 enabled rpath && add_ldexeflags -Wl,-rpath,$libdir
6144 enabled rpath && add_ldlibflags -Wl,-rpath,$libdir
6145 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
6147 # add some strip flags
6148 # -wN '..@*' is more selective than -x, but not available everywhere.
6149 check_stripflags -wN \'..@*\' || check_stripflags -x
6151 enabled neon_clobber_test &&
6152 check_ldflags -Wl,--wrap,avcodec_open2 \
6153 -Wl,--wrap,avcodec_decode_audio4 \
6154 -Wl,--wrap,avcodec_decode_video2 \
6155 -Wl,--wrap,avcodec_decode_subtitle2 \
6156 -Wl,--wrap,avcodec_encode_audio2 \
6157 -Wl,--wrap,avcodec_encode_video2 \
6158 -Wl,--wrap,avcodec_encode_subtitle \
6159 -Wl,--wrap,avcodec_send_packet \
6160 -Wl,--wrap,avcodec_receive_packet \
6161 -Wl,--wrap,avcodec_send_frame \
6162 -Wl,--wrap,avcodec_receive_frame \
6163 -Wl,--wrap,swr_convert \
6164 -Wl,--wrap,avresample_convert ||
6165 disable neon_clobber_test
6167 enabled xmm_clobber_test &&
6168 check_ldflags -Wl,--wrap,avcodec_open2 \
6169 -Wl,--wrap,avcodec_decode_audio4 \
6170 -Wl,--wrap,avcodec_decode_video2 \
6171 -Wl,--wrap,avcodec_decode_subtitle2 \
6172 -Wl,--wrap,avcodec_encode_audio2 \
6173 -Wl,--wrap,avcodec_encode_video2 \
6174 -Wl,--wrap,avcodec_encode_subtitle \
6175 -Wl,--wrap,avcodec_send_packet \
6176 -Wl,--wrap,avcodec_receive_packet \
6177 -Wl,--wrap,avcodec_send_frame \
6178 -Wl,--wrap,avcodec_receive_frame \
6179 -Wl,--wrap,swr_convert \
6180 -Wl,--wrap,avresample_convert \
6181 -Wl,--wrap,sws_scale ||
6182 disable xmm_clobber_test
6184 check_ld "cc" <<EOF && enable proper_dce
6185 extern const int array[512];
6186 static inline int func(void) { return array[0]; }
6187 int main(void) { return 0; }
6190 if enabled proper_dce; then
6191 echo "X { local: *; };" > $TMPV
6192 if test_ldflags -Wl,${version_script},$TMPV; then
6193 append SHFLAGS '-Wl,${version_script},\$(SUBDIR)lib\$(NAME).ver'
6194 check_cc <<EOF && enable symver_asm_label
6195 void ff_foo(void) __asm__ ("av_foo@VERSION");
6196 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
6198 check_cc <<EOF && enable symver_gnu_asm
6199 __asm__(".symver ff_foo,av_foo@VERSION");
6200 void ff_foo(void) {}
6205 if [ -z "$optflags" ]; then
6206 if enabled small; then
6207 optflags=$cflags_size
6208 elif enabled optimizations; then
6209 optflags=$cflags_speed
6211 optflags=$cflags_noopt
6217 enabled lto && check_ldflags "$@"
6221 if enabled lto; then
6222 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
6224 check_ldflags -flto $cpuflags
6225 disable inline_asm_direct_symbol_refs
6228 check_optflags $optflags
6229 check_optflags -fno-math-errno
6230 check_optflags -fno-signed-zeros
6232 enabled ftrapv && check_cflags -ftrapv
6234 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
6239 if enabled icc; then
6240 # Just warnings, no remarks
6242 # -wd: Disable following warnings
6243 # 144, 167, 556: -Wno-pointer-sign
6244 # 188: enumerated type mixed with another type
6245 # 1292: attribute "foo" ignored
6246 # 1419: external declaration in primary source file
6247 # 10006: ignoring unknown option -fno-signed-zeros
6248 # 10148: ignoring unknown option -Wno-parentheses
6249 # 10156: ignoring option '-W'; no argument required
6250 # 13200: No EMMS instruction before call to function
6251 # 13203: No EMMS instruction before return from function
6252 check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156,13200,13203
6253 # 11030: Warning unknown option --as-needed
6254 # 10156: ignoring option '-export'; no argument required
6255 check_ldflags -wd10156,11030
6256 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
6257 enable ebp_available
6258 # The test above does not test linking
6259 enabled lto && disable symver_asm_label
6260 if enabled x86_32; then
6261 icc_version=$($cc -dumpversion)
6262 test ${icc_version%%.*} -ge 11 &&
6263 check_cflags -falign-stack=maintain-16-byte ||
6264 disable aligned_stack
6266 elif enabled ccc; then
6267 # disable some annoying warnings
6268 add_cflags -msg_disable bitnotint
6269 add_cflags -msg_disable mixfuncvoid
6270 add_cflags -msg_disable nonstandcast
6271 add_cflags -msg_disable unsupieee
6272 elif enabled gcc; then
6273 check_optflags -fno-tree-vectorize
6274 check_cflags -Werror=format-security
6275 check_cflags -Werror=implicit-function-declaration
6276 check_cflags -Werror=missing-prototypes
6277 check_cflags -Werror=return-type
6278 check_cflags -Werror=vla
6279 check_cflags -Wformat
6280 check_cflags -fdiagnostics-color=auto
6281 enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized
6282 elif enabled llvm_gcc; then
6283 check_cflags -mllvm -stack-alignment=16
6284 elif enabled clang; then
6285 check_cflags -mllvm -stack-alignment=16
6286 check_cflags -mstack-alignment=16
6287 check_cflags -Qunused-arguments
6288 check_cflags -Werror=implicit-function-declaration
6289 check_cflags -Werror=missing-prototypes
6290 check_cflags -Werror=return-type
6291 elif enabled cparser; then
6292 add_cflags -Wno-missing-variable-declarations
6293 add_cflags -Wno-empty-statement
6294 elif enabled armcc; then
6295 add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat
6296 add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir
6297 # 2523: use of inline assembly is deprecated
6298 add_cflags -W${armcc_opt},--diag_suppress=2523
6299 add_cflags -W${armcc_opt},--diag_suppress=1207
6300 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
6301 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
6302 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
6303 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
6304 elif enabled tms470; then
6305 add_cflags -pds=824 -pds=837
6307 elif enabled pathscale; then
6308 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
6309 elif enabled_any msvc icl; then
6310 enabled x86_32 && disable aligned_stack
6311 enabled_all x86_32 debug && add_cflags -Oy-
6312 enabled debug && add_ldflags -debug
6313 enable pragma_deprecated
6314 if enabled icl; then
6315 # -Qansi-alias is basically -fstrict-aliasing, but does not work
6316 # (correctly) on icl 13.x.
6317 check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&
6318 add_cflags -Qansi-alias
6319 # Some inline asm is not compilable in debug
6320 if enabled debug; then
6321 disable ebp_available
6322 disable ebx_available
6325 # msvcrt10 x64 incorrectly enables log2, only msvcrt12 (MSVC 2013) onwards actually has log2.
6326 check_cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION >= 12" || disable log2
6327 # The CRT headers contain __declspec(restrict) in a few places, but if redefining
6328 # restrict, this might break. MSVC 2010 and 2012 fail with __declspec(__restrict)
6329 # (as it ends up if the restrict redefine is done before including stdlib.h), while
6330 # MSVC 2013 and newer can handle it fine.
6331 # If this declspec fails, force including stdlib.h before the restrict redefinition
6332 # happens in config.h.
6333 if [ $_restrict != restrict ]; then
6334 check_cc <<EOF || add_cflags -FIstdlib.h
6335 __declspec($_restrict) void* foo(int);
6338 # the new SSA optimzer in VS2015 U3 is mis-optimizing some parts of the code
6339 # Issue has been fixed in MSVC v19.00.24218.
6340 check_cpp_condition windows.h "_MSC_FULL_VER >= 190024218" ||
6341 check_cflags -d2SSAOptimizer-
6342 # enable utf-8 source processing on VS2015 U2 and newer
6343 check_cpp_condition windows.h "_MSC_FULL_VER >= 190023918" &&
6347 for pfx in "" host_; do
6348 varname=${pfx%_}cc_type
6349 eval "type=\$$varname"
6350 if [ $type = "msvc" ]; then
6351 check_${pfx}cc <<EOF || add_${pfx}cflags -Dinline=__inline
6352 static inline int foo(int a) { return a; }
6359 add_asflags -Qunused-arguments
6365 check_ldflags -Qunused-arguments
6371 enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'
6375 enable frame_thread_encoder
6377 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
6379 check_deps $CONFIG_LIST \
6384 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"
6387 if test $target_os = "haiku"; then
6389 disable posix_memalign
6392 enabled_all dxva2 dxva2api_cobj CoTaskMemFree &&
6393 prepend ffmpeg_libs $($ldflags_filter "-lole32") &&
6397 # -> enable ${lib}_deps_${dep}
6398 # -> add $dep to ${lib}_deps only once
6402 enabled "${lib}_deps_${dep}" && return 0
6403 enable "${lib}_deps_${dep}"
6404 prepend "${lib}_deps" $dep
6407 # merge deps lib components
6408 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
6413 enabled $comp || continue
6414 eval "dep=\"\$${comp}_deps\""
6421 merge_deps libavfilter $FILTER_LIST
6423 map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST
6425 for thread in $THREADS_LIST; do
6426 if enabled $thread; then
6427 test -n "$thread_type" &&
6428 die "ERROR: Only one thread type must be selected." ||
6429 thread_type="$thread"
6433 if disabled stdatomic_h; then
6434 if enabled atomics_gcc; then
6435 add_cppflags '-I\$(SRC_PATH)/compat/atomics/gcc'
6436 elif enabled atomics_win32; then
6437 add_cppflags '-I\$(SRC_PATH)/compat/atomics/win32'
6438 elif enabled atomics_suncc; then
6439 add_cppflags '-I\$(SRC_PATH)/compat/atomics/suncc'
6440 elif enabled pthreads; then
6441 add_compat atomics/pthread/stdatomic.o
6442 add_cppflags '-I\$(SRC_PATH)/compat/atomics/pthread'
6444 enabled threads && die "Threading is enabled, but no atomics are available"
6445 add_cppflags '-I\$(SRC_PATH)/compat/atomics/dummy'
6449 # Check if requested libraries were found.
6450 for lib in $AUTODETECT_LIBS; do
6451 requested $lib && ! enabled $lib && die "ERROR: $lib requested but not found";
6454 enabled zlib && add_cppflags -DZLIB_CONST
6456 # conditional library dependencies, in linking order
6457 enabled afftfilt_filter && prepend avfilter_deps "avcodec"
6458 enabled amovie_filter && prepend avfilter_deps "avformat avcodec"
6459 enabled aresample_filter && prepend avfilter_deps "swresample"
6460 enabled atempo_filter && prepend avfilter_deps "avcodec"
6461 enabled cover_rect_filter && prepend avfilter_deps "avformat avcodec"
6462 enabled ebur128_filter && enabled swresample && prepend avfilter_deps "swresample"
6463 enabled elbg_filter && prepend avfilter_deps "avcodec"
6464 enabled fftfilt_filter && prepend avfilter_deps "avcodec"
6465 enabled find_rect_filter && prepend avfilter_deps "avformat avcodec"
6466 enabled mcdeint_filter && prepend avfilter_deps "avcodec"
6467 enabled movie_filter && prepend avfilter_deps "avformat avcodec"
6468 enabled pan_filter && prepend avfilter_deps "swresample"
6469 enabled pp_filter && prepend avfilter_deps "postproc"
6470 enabled removelogo_filter && prepend avfilter_deps "avformat avcodec swscale"
6471 enabled resample_filter && prepend avfilter_deps "avresample"
6472 enabled sab_filter && prepend avfilter_deps "swscale"
6473 enabled scale_filter && prepend avfilter_deps "swscale"
6474 enabled scale2ref_filter && prepend avfilter_deps "swscale"
6475 enabled sofalizer_filter && prepend avfilter_deps "avcodec"
6476 enabled showcqt_filter && prepend avfilter_deps "avformat avcodec swscale"
6477 enabled showfreqs_filter && prepend avfilter_deps "avcodec"
6478 enabled showspectrum_filter && prepend avfilter_deps "avcodec"
6479 enabled smartblur_filter && prepend avfilter_deps "swscale"
6480 enabled spectrumsynth_filter && prepend avfilter_deps "avcodec"
6481 enabled subtitles_filter && prepend avfilter_deps "avformat avcodec"
6482 enabled uspp_filter && prepend avfilter_deps "avcodec"
6484 enabled lavfi_indev && prepend avdevice_deps "avfilter"
6486 enabled opus_decoder && prepend avcodec_deps "swresample"
6490 eval "deps=\$$lib_deps"
6491 append $lib_deps $(map 'eval echo \$${v}_deps' $deps)
6495 #we have to remove gpl from the deps here as some code assumes all lib deps are libs
6496 postproc_deps="$(filter_out 'gpl' $postproc_deps)"
6498 map 'expand_deps $v' $LIBRARY_LIST
6500 license="LGPL version 2.1 or later"
6501 if enabled nonfree; then
6502 license="nonfree and unredistributable"
6503 elif enabled gplv3; then
6504 license="GPL version 3 or later"
6505 elif enabled lgplv3; then
6506 license="LGPL version 3 or later"
6507 elif enabled gpl; then
6508 license="GPL version 2 or later"
6511 if test "$quiet" != "yes"; then
6513 echo "install prefix $prefix"
6514 echo "source path $source_path"
6515 echo "C compiler $cc"
6516 echo "C library $libc_type"
6517 if test "$host_cc" != "$cc"; then
6518 echo "host C compiler $host_cc"
6519 echo "host C library $host_libc_type"
6521 echo "ARCH $arch ($cpu)"
6522 if test "$build_suffix" != ""; then
6523 echo "build suffix $build_suffix"
6525 if test "$progs_suffix" != ""; then
6526 echo "progs suffix $progs_suffix"
6528 if test "$extra_version" != ""; then
6529 echo "version string suffix $extra_version"
6531 echo "big-endian ${bigendian-no}"
6532 echo "runtime cpu detection ${runtime_cpudetect-no}"
6533 if enabled x86; then
6534 echo "${yasmexe} ${yasm-no}"
6535 echo "MMX enabled ${mmx-no}"
6536 echo "MMXEXT enabled ${mmxext-no}"
6537 echo "3DNow! enabled ${amd3dnow-no}"
6538 echo "3DNow! extended enabled ${amd3dnowext-no}"
6539 echo "SSE enabled ${sse-no}"
6540 echo "SSSE3 enabled ${ssse3-no}"
6541 echo "AESNI enabled ${aesni-no}"
6542 echo "AVX enabled ${avx-no}"
6543 echo "XOP enabled ${xop-no}"
6544 echo "FMA3 enabled ${fma3-no}"
6545 echo "FMA4 enabled ${fma4-no}"
6546 echo "i686 features enabled ${i686-no}"
6547 echo "CMOV is fast ${fast_cmov-no}"
6548 echo "EBX available ${ebx_available-no}"
6549 echo "EBP available ${ebp_available-no}"
6551 if enabled aarch64; then
6552 echo "NEON enabled ${neon-no}"
6553 echo "VFP enabled ${vfp-no}"
6555 if enabled arm; then
6556 echo "ARMv5TE enabled ${armv5te-no}"
6557 echo "ARMv6 enabled ${armv6-no}"
6558 echo "ARMv6T2 enabled ${armv6t2-no}"
6559 echo "VFP enabled ${vfp-no}"
6560 echo "NEON enabled ${neon-no}"
6561 echo "THUMB enabled ${thumb-no}"
6563 if enabled mips; then
6564 echo "MIPS FPU enabled ${mipsfpu-no}"
6565 echo "MIPS DSP R1 enabled ${mipsdsp-no}"
6566 echo "MIPS DSP R2 enabled ${mipsdspr2-no}"
6567 echo "MIPS MSA enabled ${msa-no}"
6568 echo "LOONGSON MMI enabled ${mmi-no}"
6570 if enabled ppc; then
6571 echo "AltiVec enabled ${altivec-no}"
6572 echo "VSX enabled ${vsx-no}"
6573 echo "POWER8 enabled ${power8-no}"
6574 echo "PPC 4xx optimizations ${ppc4xx-no}"
6575 echo "dcbzl available ${dcbzl-no}"
6577 echo "debug symbols ${debug-no}"
6578 echo "strip symbols ${stripping-no}"
6579 echo "optimize for size ${small-no}"
6580 echo "optimizations ${optimizations-no}"
6581 echo "static ${static-no}"
6582 echo "shared ${shared-no}"
6583 echo "postprocessing support ${postproc-no}"
6584 echo "network support ${network-no}"
6585 echo "threading support ${thread_type-no}"
6586 echo "safe bitstream reader ${safe_bitstream_reader-no}"
6587 echo "texi2html enabled ${texi2html-no}"
6588 echo "perl enabled ${perl-no}"
6589 echo "pod2man enabled ${pod2man-no}"
6590 echo "makeinfo enabled ${makeinfo-no}"
6591 echo "makeinfo supports HTML ${makeinfo_html-no}"
6592 test -n "$random_seed" &&
6593 echo "random seed ${random_seed}"
6596 echo "External libraries:"
6597 print_enabled '' $EXTERNAL_LIBRARY_LIST | print_in_columns
6600 echo "External libraries providing hardware acceleration:"
6601 print_enabled '' $HWACCEL_LIBRARY_LIST | print_in_columns
6605 print_enabled '' $LIBRARY_LIST | print_in_columns
6609 print_enabled '' $PROGRAM_LIST | print_in_columns
6612 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
6613 echo "Enabled ${type}s:"
6614 eval list=\$$(toupper $type)_LIST
6615 print_enabled '_*' $list | print_in_columns
6619 echo "License: $license"
6621 echo "Creating configuration files ..."
6623 fi # test "$quiet" != "yes"
6625 test -e Makefile || echo "include $source_path/Makefile" > Makefile
6627 enabled stripping || strip="echo skipping strip"
6629 config_files="$TMPH config.mak doc/config.texi"
6631 cat > config.mak <<EOF
6632 # Automatically generated by configure - do not modify!
6633 ifndef FFMPEG_CONFIG_MAK
6635 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
6637 LIBDIR=\$(DESTDIR)$libdir
6638 SHLIBDIR=\$(DESTDIR)$shlibdir
6639 INCDIR=\$(DESTDIR)$incdir
6640 BINDIR=\$(DESTDIR)$bindir
6641 DATADIR=\$(DESTDIR)$datadir
6642 DOCDIR=\$(DESTDIR)$docdir
6643 MANDIR=\$(DESTDIR)$mandir
6644 PKGCONFIGDIR=\$(DESTDIR)$pkgconfigdir
6645 INSTALL_NAME_DIR=$install_name_dir
6646 SRC_PATH=$source_path
6647 SRC_LINK=$source_link
6648 ifndef MAIN_MAKEFILE
6649 SRC_PATH:=\$(SRC_PATH:.%=..%)
6653 INTRINSICS=$intrinsics
6660 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
6662 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
6675 OBJCFLAGS=$OBJCFLAGS
6695 LDEXEFLAGS=$LDEXEFLAGS
6696 LDLIBFLAGS=$LDLIBFLAGS
6697 SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
6698 ASMSTRIPFLAGS=$ASMSTRIPFLAGS
6699 YASMFLAGS=$YASMFLAGS
6700 BUILDSUF=$build_suffix
6701 PROGSSUF=$progs_suffix
6709 EXTRA_VERSION=$extra_version
6712 CCDEP_FLAGS=$CCDEP_FLAGS
6714 ASDEP_FLAGS=$ASDEP_FLAGS
6715 CC_DEPFLAGS=$CC_DEPFLAGS
6716 AS_DEPFLAGS=$AS_DEPFLAGS
6719 HOSTCFLAGS=$host_cflags
6720 HOSTCPPFLAGS=$host_cppflags
6721 HOSTEXESUF=$HOSTEXESUF
6722 HOSTLDFLAGS=$host_ldflags
6725 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
6726 HOSTCCDEP=$HOSTCCDEP
6727 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
6728 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
6732 TARGET_EXEC=$target_exec $target_exec_args
6733 TARGET_PATH=$target_path
6734 TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}
6735 CFLAGS-ffplay=${sdl2_cflags}
6736 CFLAGS_HEADERS=$CFLAGS_HEADERS
6737 ZLIB=$($ldflags_filter -lz)
6738 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
6739 EXTRALIBS=$extralibs
6740 COMPAT_OBJS=$compat_objs
6742 LIBTARGET=${LIBTARGET}
6743 SLIBNAME=${SLIBNAME}
6744 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
6745 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
6746 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
6747 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
6748 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
6749 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
6750 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
6751 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
6752 VERSION_SCRIPT_POSTPROCESS_CMD=${VERSION_SCRIPT_POSTPROCESS_CMD}
6753 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
6754 NOREDZONE_FLAGS=$noredzone_flags
6759 name=$(toupper $lcname)
6760 file=$source_path/$lcname/version.h
6761 eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")
6762 enabled raise_major && eval ${name}_VERSION_MAJOR=$((${name}_VERSION_MAJOR+100))
6763 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
6764 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
6765 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
6766 eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak
6769 map 'get_version $v' $LIBRARY_LIST
6771 map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> config.mak' $LIBRARY_LIST
6773 print_program_libs(){
6774 eval "program_libs=\$${1}_libs"
6775 eval echo "LIBS-${1}=${program_libs}" >> config.mak
6778 map 'print_program_libs $v' $PROGRAM_LIST
6781 /* Automatically generated by configure - do not modify! */
6782 #ifndef FFMPEG_CONFIG_H
6783 #define FFMPEG_CONFIG_H
6784 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
6785 #define FFMPEG_LICENSE "$(c_escape $license)"
6786 #define CONFIG_THIS_YEAR 2017
6787 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
6788 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
6789 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
6790 #define av_restrict $_restrict
6791 #define EXTERN_PREFIX "${extern_prefix}"
6792 #define EXTERN_ASM ${extern_prefix}
6793 #define BUILDSUF "$build_suffix"
6794 #define SLIBSUF "$SLIBSUF"
6795 #define HAVE_MMX2 HAVE_MMXEXT
6796 #define SWS_MAX_FILTER_SIZE $sws_max_filter_size
6799 test -n "$assert_level" &&
6800 echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
6802 test -n "$malloc_prefix" &&
6803 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
6805 if enabled yasm; then
6806 append config_files $TMPASM
6810 enabled getenv || echo "#define getenv(x) NULL" >> $TMPH
6816 echo "@c auto-generated by configure - do not modify! " > doc/config.texi
6818 print_config ARCH_ "$config_files" $ARCH_LIST
6819 print_config HAVE_ "$config_files" $HAVE_LIST
6820 print_config CONFIG_ "$config_files" $CONFIG_LIST \
6824 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
6825 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
6827 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
6828 cp_if_changed $TMPH config.h
6831 enabled yasm && cp_if_changed $TMPASM config.asm
6834 /* Generated by ffconf */
6835 #ifndef AVUTIL_AVCONFIG_H
6836 #define AVUTIL_AVCONFIG_H
6839 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
6841 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
6843 cp_if_changed $TMPH libavutil/avconfig.h
6845 # generate the lists of enabled components
6846 print_enabled_components(){
6851 echo "static const $struct_name *$name[] = {" > $TMPH
6853 enabled $c && printf " &ff_%s,\n" $c >> $TMPH
6855 echo " NULL };" >> $TMPH
6856 cp_if_changed $TMPH $file
6859 print_enabled_components libavcodec/bsf_list.c AVBitStreamFilter bitstream_filters $BSF_LIST
6860 print_enabled_components libavformat/protocol_list.c URLProtocol url_protocols $PROTOCOL_LIST
6862 if test -n "$WARNINGS"; then
6863 printf "\n%s%s$WARNINGS%s" "$warn_color" "$bold_color" "$reset_color"
6864 enabled fatal_warnings && exit 1
6867 # build pkg-config files
6870 eval printf "\"lib${1}${build_suffix} >= \$LIB$(toupper ${1})_VERSION, \""
6873 pkgconfig_generate(){
6875 shortname=${name#lib}${build_suffix}
6879 requires=$(map 'lib_version $v' $(eval echo \$${name#lib}_deps))
6880 requires=${requires%, }
6881 enabled ${name#lib} || return 0
6883 cat <<EOF > $name/$name${build_suffix}.pc
6885 exec_prefix=\${prefix}
6890 Description: $comment
6892 Requires: $(enabled shared || echo $requires)
6893 Requires.private: $(enabled shared && echo $requires)
6895 Libs: -L\${libdir} $(enabled rpath && echo "-Wl,-rpath,\${libdir}") -l${shortname} $(enabled shared || echo $libs)
6896 Libs.private: $(enabled shared && echo $libs)
6897 Cflags: -I\${includedir}
6900 mkdir -p doc/examples/pc-uninstalled
6901 includedir=${source_path}
6902 [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."
6903 cat <<EOF > doc/examples/pc-uninstalled/${name}-uninstalled.pc
6906 libdir=\${pcfiledir}/../../../$name
6907 includedir=${includedir}
6910 Description: $comment
6914 Libs: -L\${libdir} -Wl,-rpath,\${libdir} -l${shortname} $(enabled shared || echo $libs)
6915 Cflags: -I\${includedir}
6919 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBRT $LIBM"
6920 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs"
6921 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs"
6922 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs"
6923 pkgconfig_generate libavfilter "FFmpeg audio/video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
6924 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" ""
6925 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$LIBM"
6926 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM"
6927 pkgconfig_generate libswresample "FFmpeg audio resampling library" "$LIBSWRESAMPLE_VERSION" "$LIBM $LIBSOXR"