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:$PATH
61 Usage: configure [options]
62 Options: [defaults in brackets after descriptions]
65 --help print this message
66 --list-decoders show all available decoders
67 --list-encoders show all available encoders
68 --list-hwaccels show all available hardware accelerators
69 --list-demuxers show all available demuxers
70 --list-muxers show all available muxers
71 --list-parsers show all available parsers
72 --list-protocols show all available protocols
73 --list-bsfs show all available bitstream filters
74 --list-indevs show all available input devices
75 --list-outdevs show all available output devices
76 --list-filters show all available filters
79 --logfile=FILE log tests and output to FILE [config.log]
80 --disable-logging do not log configure debug information
81 --fatal-warnings fail if any configure warning is generated
82 --prefix=PREFIX install in PREFIX [$prefix]
83 --bindir=DIR install binaries in DIR [PREFIX/bin]
84 --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg]
85 --docdir=DIR install documentation in DIR [PREFIX/share/doc/ffmpeg]
86 --libdir=DIR install libs in DIR [PREFIX/lib]
87 --shlibdir=DIR install shared libs in DIR [LIBDIR]
88 --incdir=DIR install includes in DIR [PREFIX/include]
89 --mandir=DIR install man page in DIR [PREFIX/share/man]
90 --pkgconfigdir=DIR install pkg-config files in DIR [LIBDIR/pkgconfig]
91 --enable-rpath use rpath to allow installing libraries in paths
92 not part of the dynamic linker search path
93 use rpath when linking programs [USE WITH CARE]
94 --install-name-dir=DIR Darwin directory name for installed targets
97 --enable-gpl allow use of GPL code, the resulting libs
98 and binaries will be under GPL [no]
99 --enable-version3 upgrade (L)GPL to version 3 [no]
100 --enable-nonfree allow use of nonfree code, the resulting libs
101 and binaries will be unredistributable [no]
103 Configuration options:
104 --disable-static do not build static libraries [no]
105 --enable-shared build shared libraries [no]
106 --enable-small optimize for size instead of speed
107 --disable-runtime-cpudetect disable detecting cpu capabilities at runtime (smaller binary)
108 --enable-gray enable full grayscale support (slower color)
109 --disable-swscale-alpha disable alpha channel support in swscale
110 --disable-all disable building components, libraries and programs
111 --enable-raise-major increase major version numbers in sonames [no]
114 --disable-programs do not build command line programs
115 --disable-ffmpeg disable ffmpeg build
116 --disable-ffplay disable ffplay build
117 --disable-ffprobe disable ffprobe build
118 --disable-ffserver disable ffserver build
120 Documentation options:
121 --disable-doc do not build documentation
122 --disable-htmlpages do not build HTML documentation pages
123 --disable-manpages do not build man documentation pages
124 --disable-podpages do not build POD documentation pages
125 --disable-txtpages do not build text documentation pages
128 --disable-avdevice disable libavdevice build
129 --disable-avcodec disable libavcodec build
130 --disable-avformat disable libavformat build
131 --disable-swresample disable libswresample build
132 --disable-swscale disable libswscale build
133 --disable-postproc disable libpostproc build
134 --disable-avfilter disable libavfilter build
135 --enable-avresample enable libavresample build [no]
136 --disable-pthreads disable pthreads [autodetect]
137 --disable-w32threads disable Win32 threads [autodetect]
138 --disable-os2threads disable OS/2 threads [autodetect]
139 --disable-network disable network support [no]
140 --disable-dct disable DCT code
141 --disable-dwt disable DWT code
142 --disable-error-resilience disable error resilience code
143 --disable-lsp disable LSP code
144 --disable-lzo disable LZO decoder code
145 --disable-mdct disable MDCT code
146 --disable-rdft disable RDFT code
147 --disable-fft disable FFT code
148 --disable-faan disable floating point AAN (I)DCT code
149 --disable-pixelutils disable pixel utils in libavutil
151 Individual component options:
152 --disable-everything disable all components listed below
153 --disable-encoder=NAME disable encoder NAME
154 --enable-encoder=NAME enable encoder NAME
155 --disable-encoders disable all encoders
156 --disable-decoder=NAME disable decoder NAME
157 --enable-decoder=NAME enable decoder NAME
158 --disable-decoders disable all decoders
159 --disable-hwaccel=NAME disable hwaccel NAME
160 --enable-hwaccel=NAME enable hwaccel NAME
161 --disable-hwaccels disable all hwaccels
162 --disable-muxer=NAME disable muxer NAME
163 --enable-muxer=NAME enable muxer NAME
164 --disable-muxers disable all muxers
165 --disable-demuxer=NAME disable demuxer NAME
166 --enable-demuxer=NAME enable demuxer NAME
167 --disable-demuxers disable all demuxers
168 --enable-parser=NAME enable parser NAME
169 --disable-parser=NAME disable parser NAME
170 --disable-parsers disable all parsers
171 --enable-bsf=NAME enable bitstream filter NAME
172 --disable-bsf=NAME disable bitstream filter NAME
173 --disable-bsfs disable all bitstream filters
174 --enable-protocol=NAME enable protocol NAME
175 --disable-protocol=NAME disable protocol NAME
176 --disable-protocols disable all protocols
177 --enable-indev=NAME enable input device NAME
178 --disable-indev=NAME disable input device NAME
179 --disable-indevs disable input devices
180 --enable-outdev=NAME enable output device NAME
181 --disable-outdev=NAME disable output device NAME
182 --disable-outdevs disable output devices
183 --disable-devices disable all devices
184 --enable-filter=NAME enable filter NAME
185 --disable-filter=NAME disable filter NAME
186 --disable-filters disable all filters
188 External library support:
190 Using any of the following switches will allow FFmpeg to link to the
191 corresponding external library. All the components depending on that library
192 will become enabled, if all their other dependencies are met and they are not
193 explicitly disabled. E.g. --enable-libwavpack will enable linking to
194 libwavpack and allow the libwavpack encoder to be built, unless it is
195 specifically disabled with --disable-encoder=libwavpack.
197 Note that only the system libraries are auto-detected. All the other external
198 libraries must be explicitly enabled.
200 Also note that the following help text describes the purpose of the libraries
201 themselves, not all their features will necessarily be usable by FFmpeg.
203 --enable-avisynth enable reading of AviSynth script files [no]
204 --disable-bzlib disable bzlib [autodetect]
205 --enable-chromaprint enable audio fingerprinting with chromaprint [no]
206 --enable-frei0r enable frei0r video filtering [no]
207 --enable-gcrypt enable gcrypt, needed for rtmp(t)e support
208 if openssl, librtmp or gmp is not used [no]
209 --enable-gmp enable gmp, needed for rtmp(t)e support
210 if openssl or librtmp is not used [no]
211 --enable-gnutls enable gnutls, needed for https support
212 if openssl is not used [no]
213 --disable-iconv disable iconv [autodetect]
214 --enable-jni enable JNI support [no]
215 --enable-ladspa enable LADSPA audio filtering [no]
216 --enable-libass enable libass subtitles rendering,
217 needed for subtitles and ass filter [no]
218 --enable-libbluray enable BluRay reading using libbluray [no]
219 --enable-libbs2b enable bs2b DSP library [no]
220 --enable-libcaca enable textual display using libcaca [no]
221 --enable-libcelt enable CELT decoding via libcelt [no]
222 --enable-libcdio enable audio CD grabbing with libcdio [no]
223 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
225 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
226 --enable-libflite enable flite (voice synthesis) support via libflite [no]
227 --enable-libfontconfig enable libfontconfig, useful for drawtext filter [no]
228 --enable-libfreetype enable libfreetype, needed for drawtext filter [no]
229 --enable-libfribidi enable libfribidi, improves drawtext filter [no]
230 --enable-libgme enable Game Music Emu via libgme [no]
231 --enable-libgsm enable GSM de/encoding via libgsm [no]
232 --enable-libiec61883 enable iec61883 via libiec61883 [no]
233 --enable-libilbc enable iLBC de/encoding via libilbc [no]
234 --enable-libkvazaar enable HEVC encoding via libkvazaar [no]
235 --enable-libmodplug enable ModPlug via libmodplug [no]
236 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
237 --enable-libnut enable NUT (de)muxing via libnut,
238 native (de)muxer exists [no]
239 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
240 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
241 --enable-libopencv enable video filtering via libopencv [no]
242 --enable-libopenh264 enable H.264 encoding via OpenH264 [no]
243 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
244 --enable-libopenmpt enable decoding tracked files via libopenmpt [no]
245 --enable-libopus enable Opus de/encoding via libopus [no]
246 --enable-libpulse enable Pulseaudio input via libpulse [no]
247 --enable-librubberband enable rubberband needed for rubberband filter [no]
248 --enable-librtmp enable RTMP[E] support via librtmp [no]
249 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
250 --enable-libshine enable fixed-point MP3 encoding via libshine [no]
251 --enable-libsmbclient enable Samba protocol via libsmbclient [no]
252 --enable-libsnappy enable Snappy compression, needed for hap encoding [no]
253 --enable-libsoxr enable Include libsoxr resampling [no]
254 --enable-libspeex enable Speex de/encoding via libspeex [no]
255 --enable-libssh enable SFTP protocol via libssh [no]
256 --enable-libtesseract enable Tesseract, needed for ocr filter [no]
257 --enable-libtheora enable Theora encoding via libtheora [no]
258 --enable-libtwolame enable MP2 encoding via libtwolame [no]
259 --enable-libv4l2 enable libv4l2/v4l-utils [no]
260 --enable-libvidstab enable video stabilization using vid.stab [no]
261 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
262 --enable-libvorbis enable Vorbis en/decoding via libvorbis,
263 native implementation exists [no]
264 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
265 --enable-libwavpack enable wavpack encoding via libwavpack [no]
266 --enable-libwebp enable WebP encoding via libwebp [no]
267 --enable-libx264 enable H.264 encoding via x264 [no]
268 --enable-libx265 enable HEVC encoding via x265 [no]
269 --enable-libxavs enable AVS encoding via xavs [no]
270 --enable-libxcb enable X11 grabbing using XCB [autodetect]
271 --enable-libxcb-shm enable X11 grabbing shm communication [autodetect]
272 --enable-libxcb-xfixes enable X11 grabbing mouse rendering [autodetect]
273 --enable-libxcb-shape enable X11 grabbing shape rendering [autodetect]
274 --enable-libxvid enable Xvid encoding via xvidcore,
275 native MPEG-4/Xvid encoder exists [no]
276 --enable-libzimg enable z.lib, needed for zscale filter [no]
277 --enable-libzmq enable message passing via libzmq [no]
278 --enable-libzvbi enable teletext support via libzvbi [no]
279 --disable-lzma disable lzma [autodetect]
280 --enable-decklink enable Blackmagic DeckLink I/O support [no]
281 --enable-mediacodec enable Android MediaCodec support [no]
282 --enable-netcdf enable NetCDF, needed for sofalizer filter [no]
283 --enable-openal enable OpenAL 1.1 capture support [no]
284 --enable-opencl enable OpenCL code
285 --enable-opengl enable OpenGL rendering [no]
286 --enable-openssl enable openssl, needed for https support
287 if gnutls is not used [no]
288 --disable-schannel disable SChannel SSP, needed for TLS support on
289 Windows if openssl and gnutls are not used [autodetect]
290 --disable-sdl2 disable sdl2 [autodetect]
291 --disable-securetransport disable Secure Transport, needed for TLS support
292 on OSX if openssl and gnutls are not used [autodetect]
293 --disable-xlib disable xlib [autodetect]
294 --disable-zlib disable zlib [autodetect]
296 The following libraries provide various hardware acceleration features:
297 --disable-audiotoolbox disable Apple AudioToolbox code [autodetect]
298 --disable-cuda disable dynamically linked Nvidia CUDA code [autodetect]
299 --disable-cuvid disable Nvidia CUVID support [autodetect]
300 --disable-d3d11va disable Microsoft Direct3D 11 video acceleration code [autodetect]
301 --disable-dxva2 disable Microsoft DirectX 9 video acceleration code [autodetect]
302 --enable-libmfx enable Intel MediaSDK (AKA Quick Sync Video) code via libmfx [no]
303 --enable-libnpp enable Nvidia Performance Primitives-based code [no]
304 --enable-mmal enable Broadcom Multi-Media Abstraction Layer (Raspberry Pi) via MMAL [no]
305 --disable-nvenc disable Nvidia video encoding code [autodetect]
306 --enable-omx enable OpenMAX IL code [no]
307 --enable-omx-rpi enable OpenMAX IL code for Raspberry Pi [no]
308 --disable-vaapi disable Video Acceleration API (mainly Unix/Intel) code [autodetect]
309 --disable-vda disable Apple Video Decode Acceleration code [autodetect]
310 --disable-vdpau disable Nvidia Video Decode and Presentation API for Unix code [autodetect]
311 --disable-videotoolbox disable VideoToolbox code [autodetect]
314 --arch=ARCH select architecture [$arch]
315 --cpu=CPU select the minimum required CPU (affects
316 instruction selection, may crash on older CPUs)
317 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
318 --progs-suffix=SUFFIX program name suffix []
319 --enable-cross-compile assume a cross-compiler is used
320 --sysroot=PATH root of cross-build tree
321 --sysinclude=PATH location of cross-build system headers
322 --target-os=OS compiler targets OS [$target_os]
323 --target-exec=CMD command to run executables on target
324 --target-path=DIR path to view of build directory on target
325 --target-samples=DIR path to samples directory on target
326 --tempprefix=PATH force fixed dir/prefix instead of mktemp for checks
327 --toolchain=NAME set tool defaults according to NAME
328 --nm=NM use nm tool NM [$nm_default]
329 --ar=AR use archive tool AR [$ar_default]
330 --as=AS use assembler AS [$as_default]
331 --ln_s=LN_S use symbolic link tool LN_S [$ln_s_default]
332 --strip=STRIP use strip tool STRIP [$strip_default]
333 --windres=WINDRES use windows resource compiler WINDRES [$windres_default]
334 --yasmexe=EXE use yasm-compatible assembler EXE [$yasmexe_default]
335 --cc=CC use C compiler CC [$cc_default]
336 --cxx=CXX use C compiler CXX [$cxx_default]
337 --objcc=OCC use ObjC compiler OCC [$cc_default]
338 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
339 --ld=LD use linker LD [$ld_default]
340 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
341 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
342 --ranlib=RANLIB use ranlib RANLIB [$ranlib_default]
343 --doxygen=DOXYGEN use DOXYGEN to generate API doc [$doxygen_default]
344 --host-cc=HOSTCC use host C compiler HOSTCC
345 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
346 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
347 --host-ld=HOSTLD use host linker HOSTLD
348 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
349 --host-libs=HLIBS use libs HLIBS when linking for host
350 --host-os=OS compiler host OS [$target_os]
351 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
352 --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
353 --extra-objcflags=FLAGS add FLAGS to OBJCFLAGS [$CFLAGS]
354 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
355 --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
356 --extra-ldlibflags=ELDFLAGS add ELDFLAGS to LDLIBFLAGS [$LDLIBFLAGS]
357 --extra-libs=ELIBS add ELIBS [$ELIBS]
358 --extra-version=STRING version string suffix []
359 --optflags=OPTFLAGS override optimization-related compiler flags
360 --build-suffix=SUFFIX library name suffix []
361 --enable-pic build position-independent code
362 --enable-thumb compile for Thumb instruction set
363 --enable-lto use link-time optimization
364 --env="ENV=override" override the environment variables
366 Advanced options (experts only):
367 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
368 --custom-allocator=NAME use a supported custom allocator
369 --disable-symver disable symbol versioning
370 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
371 --disable-safe-bitstream-reader
372 disable buffer boundary checking in bitreaders
373 (faster, but may crash)
374 --sws-max-filter-size=N the max filter size swscale uses [$sws_max_filter_size_default]
376 Optimization options (experts only):
377 --disable-asm disable all assembly optimizations
378 --disable-altivec disable AltiVec optimizations
379 --disable-vsx disable VSX optimizations
380 --disable-power8 disable POWER8 optimizations
381 --disable-amd3dnow disable 3DNow! optimizations
382 --disable-amd3dnowext disable 3DNow! extended optimizations
383 --disable-mmx disable MMX optimizations
384 --disable-mmxext disable MMXEXT optimizations
385 --disable-sse disable SSE optimizations
386 --disable-sse2 disable SSE2 optimizations
387 --disable-sse3 disable SSE3 optimizations
388 --disable-ssse3 disable SSSE3 optimizations
389 --disable-sse4 disable SSE4 optimizations
390 --disable-sse42 disable SSE4.2 optimizations
391 --disable-avx disable AVX optimizations
392 --disable-xop disable XOP optimizations
393 --disable-fma3 disable FMA3 optimizations
394 --disable-fma4 disable FMA4 optimizations
395 --disable-avx2 disable AVX2 optimizations
396 --disable-aesni disable AESNI optimizations
397 --disable-armv5te disable armv5te optimizations
398 --disable-armv6 disable armv6 optimizations
399 --disable-armv6t2 disable armv6t2 optimizations
400 --disable-vfp disable VFP optimizations
401 --disable-neon disable NEON optimizations
402 --disable-inline-asm disable use of inline assembly
403 --disable-yasm disable use of nasm/yasm assembly
404 --disable-mipsdsp disable MIPS DSP ASE R1 optimizations
405 --disable-mipsdspr2 disable MIPS DSP ASE R2 optimizations
406 --disable-msa disable MSA optimizations
407 --disable-mipsfpu disable floating point MIPS optimizations
408 --disable-mmi disable Loongson SIMD optimizations
409 --disable-fast-unaligned consider unaligned accesses slow
411 Developer options (useful when working on FFmpeg itself):
412 --disable-debug disable debugging symbols
413 --enable-debug=LEVEL set the debug level [$debuglevel]
414 --disable-optimizations disable compiler optimizations
415 --enable-extra-warnings enable more compiler warnings
416 --disable-stripping disable stripping of executables and shared libraries
417 --assert-level=level 0(default), 1 or 2, amount of assertion testing,
418 2 causes a slowdown at runtime.
419 --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
420 --valgrind=VALGRIND run "make fate" tests through valgrind to detect memory
421 leaks and errors, using the specified valgrind binary.
422 Cannot be combined with --target-exec
423 --enable-ftrapv Trap arithmetic overflows
424 --samples=PATH location of test samples for FATE, if not set use
425 \$FATE_SAMPLES at make invocation time.
426 --enable-neon-clobber-test check NEON registers for clobbering (should be
427 used only for debugging purposes)
428 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
429 should be used only for debugging purposes)
430 --enable-random randomly enable/disable components
432 --enable-random=LIST randomly enable/disable specific components or
433 --disable-random=LIST component groups. LIST is a comma-separated list
434 of NAME[:PROB] entries where NAME is a component
435 (group) and PROB the probability associated with
437 --random-seed=VALUE seed value for --enable/disable-random
438 --disable-valgrind-backtrace do not print a backtrace under Valgrind
439 (only applies to --disable-optimizations builds)
441 NOTE: Object files are built at the place where configure is launched.
447 if test -t 1 && which tput >/dev/null 2>&1; then
448 ncolors=$(tput colors)
449 if test -n "$ncolors" && test $ncolors -ge 8; then
450 bold_color=$(tput bold)
451 warn_color=$(tput setaf 3)
452 error_color=$(tput setaf 1)
453 reset_color=$(tput sgr0)
455 # 72 used instead of 80 since that's the default of pr
461 echo "$@" >> $logfile
466 pr -n -t $1 >> $logfile
472 WARNINGS="${WARNINGS}WARNING: $*\n"
477 echo "$error_color$bold_color$@$reset_color"
480 If you think configure made a mistake, make sure you are using the latest
481 version from Git. If the latest version fails, report the problem to the
482 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
484 if disabled logging; then
486 Rerun configure with logging enabled (do not use --disable-logging), and
487 include the log this produces with your report.
491 Include the log file "$logfile" produced by configure as this will help
498 # Avoid locale weirdness, besides we really just want to translate ASCII.
500 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
504 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
508 echo "$*" | sed 's/["\\]/\\\0/g'
512 v=$(echo "$1" | sed "s/'/'\\\\''/g")
513 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
518 echo "$@" | sed 's/^ *//;s/[[:space:]][[:space:]]*/ /g;s/ *$//'
525 eval "case $v in $pat) echo $v ;; esac"
533 eval "case $v in $pat) ;; *) echo $v ;; esac"
540 for v; do eval $m; done
546 for v; do echo ${v}${suffix}; done
561 eval : \${$var:=$value}
566 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
572 eval $(sanitize_var_name "$var")='$*'
576 eval echo \$$(sanitize_var_name "$1")
581 eval level=\${${pvar}_level:=0}
582 eval ${pvar}_${level}="\$$pvar"
583 eval ${pvar}_level=$(($level+1))
589 eval level=\${${pvar}_level:-0}
590 test $level = 0 && continue
591 eval level=$(($level-1))
592 eval $pvar="\${${pvar}_${level}}"
593 eval ${pvar}_level=$level
594 eval unset ${pvar}_${level}
600 eval ${var}_requested=yes
623 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
629 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
635 enabled $var && continue
636 eval sel="\$${var}_select"
637 eval sgs="\$${var}_suggest"
641 enable_deep_weak $sgs
653 disabled $var && continue
662 test "${1#!}" = "$1" && op='=' || op=!=
663 eval test "x\$${1#!}_requested" $op "xyes"
667 test "${1#!}" = "$1" && op='=' || op=!=
668 eval test "x\$${1#!}" $op "xyes"
672 test "${1#!}" = "$1" && op='=' || op=!=
673 eval test "x\$${1#!}" $op "xno"
678 enabled $opt || return 1
684 disabled $opt || return 1
690 enabled $opt && return 0
696 disabled $opt && return 0
703 eval : \${$opt:=\$${opt}_default}
711 [ $var = $value ] && return 0
719 enabled ${cfg}_checking && die "Circular dependency for $cfg."
720 disabled ${cfg}_checking && continue
721 enable ${cfg}_checking
724 eval dep_all="\$${cfg}_deps"
725 eval dep_any="\$${cfg}_deps_any"
726 eval dep_sel="\$${cfg}_select"
727 eval dep_sgs="\$${cfg}_suggest"
728 eval dep_ifa="\$${cfg}_if"
729 eval dep_ifn="\$${cfg}_if_any"
731 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
732 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
733 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
735 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
736 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
737 enabled_all $dep_all || { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but not all dependencies are satisfied: $dep_all"; }
738 enabled_any $dep_any || { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but not any dependency is satisfied: $dep_any"; }
739 disabled_any $dep_sel && { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but some selected dependency is unsatisfied: $dep_sel"; }
741 if enabled $cfg; then
743 enable_deep_weak $dep_sgs
746 disable ${cfg}_checking
755 for cfg in $allopts; do
756 enabled $cfg || continue
757 eval dep_extralibs="\$${cfg}_extralibs"
758 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
766 map 'eval echo "$v \${$v:-no}"' "$@" |
767 awk "BEGIN { split(\"$files\", files) }
769 c = \"$pfx\" toupper(\$1);
775 if (file ~ /\\.h\$/) {
776 printf(\"#define %s %d\\n\", c, v) >>file;
777 } else if (file ~ /\\.asm\$/) {
778 printf(\"%%define %s %d\\n\", c, v) >>file;
779 } else if (file ~ /\\.mak\$/) {
780 n = -v ? \"\" : \"!\";
781 printf(\"%s%s=yes\\n\", n, c) >>file;
782 } else if (file ~ /\\.texi\$/) {
783 pre = -v ? \"\" : \"@c \";
786 gsub(/_/, \"-\", c2);
787 printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
797 enabled $v && printf "%s\n" ${v%$suf}
804 eval "$var=\"\$$var $*\""
810 eval "$var=\"$* \$$var\""
816 for tok in $(eval echo \$$var); do
817 uniq_list="$(filter_out $tok $uniq_list) $tok"
819 eval "$var=\"${uniq_list}\""
827 append CFLAGS $($cflags_filter "$@")
831 append CXXFLAGS $($cflags_filter "$@")
835 append ASFLAGS $($asflags_filter "$@")
839 append OBJCFLAGS $($objcflags_filter "$@")
843 append LDFLAGS $($ldflags_filter "$@")
847 append LDEXEFLAGS $($ldflags_filter "$@")
851 append LDLIBFLAGS $($ldflags_filter "$@")
855 append ASMSTRIPFLAGS "$@"
859 prepend extralibs $($ldflags_filter "$@")
863 append host_cppflags "$@"
867 append host_cflags $($host_cflags_filter "$@")
871 append host_ldflags $($host_ldflags_filter "$@")
875 append compat_objs $1
877 map 'add_cppflags -D$v' "$@"
882 "$@" >> $logfile 2>&1
887 stat "$1" >> $logfile 2>&1
891 eval printf '%s\\n' $CC_O
895 eval printf '%s\\n' $CC_E
902 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
909 check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
916 check_cmd $objcc -Werror=missing-prototypes $CPPFLAGS $CFLAGS $OBJCFLAGS "$@" $OBJCC_C $(cc_o $TMPO) $TMPM
923 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
927 eval printf '%s\\n' $AS_O
934 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
938 log check_inline_asm "$@"
943 check_cc "$@" <<EOF && enable $name
944 void foo(void){ __asm__ volatile($code); }
948 check_inline_asm_flags(){
949 log check_inline_asm_flags "$@"
954 while [ "$1" != "" ]; do
960 void foo(void){ __asm__ volatile($code); }
963 check_cmd $cc $CPPFLAGS $CFLAGS $flags "$@" $CC_C $(cc_o $TMPO) $TMPC &&
964 enable $name && add_cflags $flags && add_asflags $flags && add_ldflags $flags
969 check_inline_asm ${1}_inline "\"$2\""
970 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
978 check_cmd $yasmexe $YASMFLAGS -Werror "$@" -o $TMPO $TMPS
982 eval printf '%s\\n' $LD_O
989 flags=$(filter_out '-l*|*.so' $@)
990 libs=$(filter '-l*|*.so' $@)
991 check_$type $($cflags_filter $flags) || return
992 flags=$($ldflags_filter $flags)
993 libs=$($ldflags_filter $libs)
994 check_cmd $ld $LDFLAGS $LDEXEFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
999 test "${hdr%.h}" = "${hdr}" &&
1000 echo "#include $hdr" ||
1001 echo "#include <$hdr>"
1011 for hdr in $headers; do
1014 echo "int main(void) { $code; return 0; }"
1015 } | check_$check "$@"
1019 log check_cppflags "$@"
1020 check_cc "$@" <<EOF && append CPPFLAGS "$@"
1026 log test_cflags "$@"
1027 set -- $($cflags_filter "$@")
1034 log check_cflags "$@"
1035 test_cflags "$@" && add_cflags "$@"
1039 log check_cxxflags "$@"
1040 set -- $($cflags_filter "$@")
1041 check_cxx "$@" <<EOF && append CXXFLAGS "$@"
1047 log test_cflags "$@"
1048 set -- $($cflags_filter "$@")
1049 check_objcc "$@" <<EOF
1055 log check_cflags "$@"
1056 test_objcflags "$@" && add_objcflags "$@"
1060 log test_ldflags "$@"
1061 check_ld "cc" "$@" <<EOF
1062 int main(void){ return 0; }
1067 log check_ldflags "$@"
1068 test_ldflags "$@" && add_ldflags "$@"
1072 log test_stripflags "$@"
1073 # call check_cc to get a fresh TMPO
1075 int main(void) { return 0; }
1077 check_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO
1081 log check_stripflags "$@"
1082 test_stripflags "$@" && add_stripflags "$@"
1086 log check_header "$@"
1089 disable_safe $header
1090 check_cpp "$@" <<EOF && enable_safe $header
1096 check_header_objcc(){
1097 log check_header_objcc "$@"
1101 disable_safe $header
1103 echo "#include <$header>"
1104 echo "int main(void) { return 0; }"
1105 } | check_objcc && check_stat "$TMPO" && enable_safe $headers
1113 check_ld "cc" "$@" <<EOF && enable $func
1115 int main(void){ $func(); }
1119 check_complexfunc(){
1120 log check_complexfunc "$@"
1124 test $narg = 2 && args="f, g" || args="f * I"
1126 check_ld "cc" "$@" <<EOF && enable $func
1127 #include <complex.h>
1129 float foo(complex float f, complex float g) { return $func($args); }
1130 int main(void){ return (int) foo; }
1135 log check_mathfunc "$@"
1139 test $narg = 2 && args="f, g" || args="f"
1141 check_ld "cc" "$@" <<EOF && enable $func
1143 float foo(float f, float g) { return $func($args); }
1144 int main(void){ return (int) foo; }
1148 check_func_headers(){
1149 log check_func_headers "$@"
1154 for hdr in $headers; do
1157 echo "#include <stdint.h>"
1158 for func in $funcs; do
1159 echo "long check_$func(void) { return (long) $func; }"
1161 echo "int main(void) { int ret = 0;"
1162 # LTO could optimize out the test functions without this
1163 for func in $funcs; do
1164 echo " ret |= ((intptr_t)check_$func) & 0xFFFF;"
1166 echo "return ret; }"
1167 } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
1170 check_class_headers_cpp(){
1171 log check_class_headers_cpp "$@"
1176 for hdr in $headers; do
1177 echo "#include <$hdr>"
1179 echo "int main(void) { "
1181 for class in $classes; do
1182 echo "$class obj$i;"
1186 } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
1189 check_cpp_condition(){
1190 log check_cpp_condition "$@"
1194 check_cpp "$@" <<EOF
1197 #error "unsatisfied condition: $condition"
1203 log test_cflags_cc "$@"
1208 set -- $($cflags_filter "$flags")
1212 #error "unsatisfied condition: $condition"
1222 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
1226 log check_lib_cpp "$@"
1230 check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
1234 log check_pkg_config "$@"
1240 check_cmd $pkg_config --exists --print-errors $pkgandversion || return
1241 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1242 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1243 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1244 set_safe "${pkg}_cflags" $pkg_cflags &&
1245 set_safe "${pkg}_libs" $pkg_libs
1249 check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1255 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1256 # are safe but may not be available everywhere. Thus we use
1257 # raise(SIGTERM) instead. The check is run in a subshell so we
1258 # can redirect the "Terminated" message from the shell. SIGBUS
1259 # is not defined by standard C so it is used conditionally.
1261 (check_exec "$@") >> $logfile 2>&1 <<EOF
1263 static void sighandler(int sig){
1269 int (*func_ptr)(void) = foo;
1271 signal(SIGILL, sighandler);
1272 signal(SIGFPE, sighandler);
1273 signal(SIGSEGV, sighandler);
1275 signal(SIGBUS, sighandler);
1287 disable_safe "$type"
1288 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1292 log check_struct "$@"
1297 disable_safe "${struct}_${member}"
1298 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1299 enable_safe "${struct}_${member}"
1303 log check_builtin "$@"
1309 check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1312 check_compile_assert(){
1313 log check_compile_assert "$@"
1319 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1327 check_lib "$headers" $func "$@" || die "ERROR: $name not found"
1335 check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1340 check_pkg_config "$@" || return 1
1341 add_cflags $(get_safe "${pkg}_cflags")
1342 add_extralibs $(get_safe "${pkg}_libs")
1345 require_pkg_config(){
1346 use_pkg_config "$@" || die "ERROR: $pkg not found using pkg-config$pkg_config_fail_message"
1349 require_libfreetype(){
1350 log require_libfreetype "$@"
1352 check_cmd $pkg_config --exists --print-errors $pkg \
1353 || die "ERROR: $pkg not found"
1354 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1355 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1357 echo "#include <ft2build.h>"
1358 echo "#include FT_FREETYPE_H"
1359 echo "long check_func(void) { return (long) FT_Init_FreeType; }"
1360 echo "int main(void) { return 0; }"
1361 } | check_ld "cc" $pkg_cflags $pkg_libs \
1362 && set_safe "${pkg}_cflags" $pkg_cflags \
1363 && set_safe "${pkg}_libs" $pkg_libs \
1364 || die "ERROR: $pkg not found"
1365 add_cflags $(get_safe "${pkg}_cflags")
1366 add_extralibs $(get_safe "${pkg}_libs")
1370 eval printf '%s\\n' $HOSTCC_E
1374 eval printf '%s\\n' $HOSTCC_O
1378 log check_host_cc "$@"
1381 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1385 log check_host_cpp "$@"
1388 check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1391 check_host_cppflags(){
1392 log check_host_cppflags "$@"
1393 check_host_cc "$@" <<EOF && append host_cppflags "$@"
1398 check_host_cflags(){
1399 log check_host_cflags "$@"
1400 set -- $($host_cflags_filter "$@")
1401 check_host_cc "$@" <<EOF && append host_cflags "$@"
1406 check_host_cpp_condition(){
1407 log check_host_cpp_condition "$@"
1411 check_host_cpp "$@" <<EOF
1414 #error "unsatisfied condition: $condition"
1420 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1421 mkdir -p "$(dirname $2)"
1425 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1426 # system-dependent things.
1428 AVCODEC_COMPONENTS="
1436 AVDEVICE_COMPONENTS="
1440 AVFILTER_COMPONENTS="
1443 AVFORMAT_COMPONENTS="
1449 AVRESAMPLE_COMPONENTS=""
1450 AVUTIL_COMPONENTS=""
1454 $AVDEVICE_COMPONENTS
1455 $AVFILTER_COMPONENTS
1456 $AVFORMAT_COMPONENTS
1457 $AVRESAMPLE_COMPONENTS
1462 avio_dir_cmd_example
1463 avio_reading_example
1464 decoding_encoding_example
1465 demuxing_decoding_example
1467 filter_audio_example
1468 filtering_audio_example
1469 filtering_video_example
1470 http_multiclient_example
1475 resampling_audio_example
1476 scaling_video_example
1477 transcode_aac_example
1480 EXTERNAL_AUTODETECT_LIBRARY_LIST="
1496 EXTERNAL_LIBRARY_GPL_LIST="
1507 EXTERNAL_LIBRARY_NONFREE_LIST="
1512 EXTERNAL_LIBRARY_VERSION3_LIST="
1519 EXTERNAL_LIBRARY_GPLV3_LIST="
1523 EXTERNAL_LIBRARY_LIST="
1524 $EXTERNAL_AUTODETECT_LIBRARY_LIST
1525 $EXTERNAL_LIBRARY_GPL_LIST
1526 $EXTERNAL_LIBRARY_NONFREE_LIST
1527 $EXTERNAL_LIBRARY_VERSION3_LIST
1528 $EXTERNAL_LIBRARY_GPLV3_LIST
1587 HWACCEL_AUTODETECT_LIBRARY_LIST="
1597 videotoolbox_hwaccel
1601 HWACCEL_LIBRARY_NONFREE_LIST="
1605 HWACCEL_LIBRARY_LIST="
1606 $HWACCEL_AUTODETECT_LIBRARY_LIST
1607 $HWACCEL_LIBRARY_NONFREE_LIST
1627 safe_bitstream_reader
1678 $EXTERNAL_LIBRARY_LIST
1679 $HWACCEL_LIBRARY_LIST
1708 $EXTERNAL_AUTODETECT_LIBRARY_LIST
1709 $HWACCEL_AUTODETECT_LIBRARY_LIST
1751 ARCH_EXT_LIST_MIPS="
1763 ARCH_EXT_LIST_LOONGSON="
1769 ARCH_EXT_LIST_X86_SIMD="
1798 $ARCH_EXT_LIST_X86_SIMD
1808 $ARCH_EXT_LIST_LOONGSON
1831 sync_val_compare_and_swap
1850 cdio_paranoia_paranoia_h
1853 dev_bktr_ioctl_bt848_h
1854 dev_bktr_ioctl_meteor_h
1856 dev_video_bktr_ioctl_bt848_h
1857 dev_video_meteor_ioctl_meteor_h
1867 machine_ioctl_bt848_h
1868 machine_ioctl_meteor_h
1870 opencv2_core_core_c_h
1871 openjpeg_2_1_openjpeg_h
1872 openjpeg_2_0_openjpeg_h
1873 openjpeg_1_5_openjpeg_h
1952 GetProcessAffinityMask
1953 GetProcessMemoryInfo
1956 GetSystemTimeAsFileTime
1963 jack_port_get_latency_range
1980 SetConsoleTextAttribute
1981 SetConsoleCtrlHandler
1989 UTGetOSTypeFromString
1994 TOOLCHAIN_FEATURES="
2007 inline_asm_direct_symbol_refs
2009 inline_asm_nonlocal_labels
2020 CONDITION_VARIABLE_Ptr
2023 struct_group_source_req
2024 struct_ip_mreq_source
2026 struct_msghdr_msg_flags
2028 struct_rusage_ru_maxrss
2029 struct_sctp_event_subscribe
2031 struct_sockaddr_sa_len
2032 struct_sockaddr_storage
2033 struct_stat_st_mtim_tv_nsec
2034 struct_v4l2_frmivalenum_discrete
2039 $(add_suffix _external $ARCH_EXT_LIST)
2040 $(add_suffix _inline $ARCH_EXT_LIST)
2063 MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS
2077 # options emitted with CONFIG_ prefix but not available on the command line
2094 frame_thread_encoder
2245 # code dependency declarations
2247 # architecture extensions
2252 armv8_deps="aarch64"
2253 neon_deps_any="aarch64 arm"
2254 intrinsics_neon_deps="neon"
2255 vfp_deps_any="aarch64 arm"
2259 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
2261 loongson2_deps="mips"
2262 loongson3_deps="mips"
2265 mipsdspr2_deps="mips"
2266 mips32r2_deps="mips"
2267 mips32r5_deps="mips"
2268 mips32r6_deps="mips"
2269 mips64r2_deps="mips"
2270 mips64r6_deps="mips"
2282 x86_64_select="i686"
2283 x86_64_suggest="fast_cmov"
2286 amd3dnowext_deps="amd3dnow"
2303 mmx_external_deps="yasm"
2304 mmx_inline_deps="inline_asm"
2305 mmx_suggest="mmx_external mmx_inline"
2307 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
2308 eval dep=\$${ext}_deps
2309 eval ${ext}_external_deps='"${dep}_external"'
2310 eval ${ext}_inline_deps='"${dep}_inline"'
2311 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
2314 aligned_stack_if_any="aarch64 ppc x86"
2315 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
2316 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
2317 fast_unaligned_if_any="aarch64 ppc x86"
2318 simd_align_16_if_any="altivec neon sse"
2319 simd_align_32_if_any="avx"
2321 # system capabilities
2322 symver_if_any="symver_asm_label symver_gnu_asm"
2323 valgrind_backtrace_deps="!optimizations valgrind_valgrind_h"
2326 atomics_gcc_if="sync_val_compare_and_swap"
2327 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
2328 atomics_win32_if="MemoryBarrier"
2329 atomics_native_if_any="$ATOMICS_LIST"
2330 w32threads_deps="atomics_native"
2331 threads_if_any="$THREADS_LIST"
2335 dirac_parse_select="golomb"
2336 error_resilience_select="me_cmp"
2337 faandct_deps="faan fdctdsp"
2338 faanidct_deps="faan idctdsp"
2339 h264dsp_select="startcode"
2340 frame_thread_encoder_deps="encoders threads"
2341 intrax8_select="blockdsp idctdsp"
2344 me_cmp_select="fdctdsp idctdsp pixblockdsp"
2345 mpeg_er_select="error_resilience"
2346 mpegaudio_select="mpegaudiodsp"
2347 mpegaudiodsp_select="dct"
2348 mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp mpeg_er videodsp"
2349 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
2350 vc1dsp_select="h264chroma qpeldsp startcode"
2353 # decoders / encoders
2354 aac_decoder_select="mdct15 mdct sinewin"
2355 aac_fixed_decoder_select="mdct sinewin"
2356 aac_encoder_select="audio_frame_queue iirfilter lpc mdct sinewin"
2357 aac_latm_decoder_select="aac_decoder aac_latm_parser"
2358 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
2359 ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"
2360 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
2361 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
2362 adpcm_g722_decoder_select="g722dsp"
2363 adpcm_g722_encoder_select="g722dsp"
2364 aic_decoder_select="golomb idctdsp"
2365 alac_encoder_select="lpc"
2366 als_decoder_select="bswapdsp"
2367 amrnb_decoder_select="lsp"
2368 amrwb_decoder_select="lsp"
2369 amv_decoder_select="sp5x_decoder exif"
2370 amv_encoder_select="aandcttables jpegtables mpegvideoenc"
2371 ape_decoder_select="bswapdsp llauddsp"
2372 apng_decoder_select="zlib"
2373 apng_encoder_select="llvidencdsp zlib"
2374 asv1_decoder_select="blockdsp bswapdsp idctdsp"
2375 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
2376 asv2_decoder_select="blockdsp bswapdsp idctdsp"
2377 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
2378 atrac1_decoder_select="mdct sinewin"
2379 atrac3_decoder_select="mdct"
2380 atrac3p_decoder_select="mdct sinewin"
2381 avrn_decoder_select="exif jpegtables"
2382 bink_decoder_select="blockdsp hpeldsp"
2383 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
2384 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
2385 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
2386 cllc_decoder_select="bswapdsp"
2387 comfortnoise_encoder_select="lpc"
2388 cook_decoder_select="audiodsp mdct sinewin"
2389 cscd_decoder_select="lzo"
2390 cscd_decoder_suggest="zlib"
2391 dca_decoder_select="mdct"
2392 dds_decoder_select="texturedsp"
2393 dirac_decoder_select="dirac_parse dwt golomb videodsp mpegvideoenc"
2394 dnxhd_decoder_select="blockdsp idctdsp"
2395 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
2396 dvvideo_decoder_select="dvprofile idctdsp"
2397 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
2398 dxa_decoder_select="zlib"
2399 dxv_decoder_select="lzf texturedsp"
2400 eac3_decoder_select="ac3_decoder"
2401 eac3_encoder_select="ac3_encoder"
2402 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
2403 eatgq_decoder_select="aandcttables"
2404 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp"
2405 exr_decoder_select="zlib"
2406 ffv1_decoder_select="golomb rangecoder"
2407 ffv1_encoder_select="rangecoder"
2408 ffvhuff_decoder_select="huffyuv_decoder"
2409 ffvhuff_encoder_select="huffyuv_encoder"
2410 fic_decoder_select="golomb"
2411 flac_decoder_select="flacdsp golomb"
2412 flac_encoder_select="bswapdsp flacdsp golomb lpc"
2413 flashsv2_decoder_select="zlib"
2414 flashsv2_encoder_select="zlib"
2415 flashsv_decoder_select="zlib"
2416 flashsv_encoder_select="zlib"
2417 flv_decoder_select="h263_decoder"
2418 flv_encoder_select="h263_encoder"
2419 fourxm_decoder_select="blockdsp bswapdsp"
2420 fraps_decoder_select="bswapdsp huffman"
2421 g2m_decoder_select="blockdsp idctdsp jpegtables zlib"
2422 g729_decoder_select="audiodsp"
2423 h261_decoder_select="mpegvideo"
2424 h261_encoder_select="aandcttables mpegvideoenc"
2425 h263_decoder_select="h263_parser h263dsp mpegvideo qpeldsp"
2426 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
2427 h263i_decoder_select="h263_decoder"
2428 h263p_decoder_select="h263_decoder"
2429 h263p_encoder_select="h263_encoder"
2430 h264_decoder_select="cabac golomb h264chroma h264dsp h264parse h264pred h264qpel videodsp"
2431 h264_decoder_suggest="error_resilience"
2432 hap_decoder_select="snappy texturedsp"
2433 hap_encoder_deps="libsnappy"
2434 hap_encoder_select="texturedspenc"
2435 hevc_decoder_select="bswapdsp cabac golomb videodsp"
2436 huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"
2437 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llvidencdsp"
2438 iac_decoder_select="imc_decoder"
2439 imc_decoder_select="bswapdsp fft mdct sinewin"
2440 indeo3_decoder_select="hpeldsp"
2441 indeo4_decoder_select="ividsp"
2442 indeo5_decoder_select="ividsp"
2443 interplay_video_decoder_select="hpeldsp"
2444 jpegls_decoder_select="golomb mjpeg_decoder"
2445 jpegls_encoder_select="golomb"
2446 jv_decoder_select="blockdsp"
2447 lagarith_decoder_select="llviddsp"
2448 ljpeg_encoder_select="aandcttables idctdsp jpegtables mpegvideoenc"
2449 loco_decoder_select="golomb"
2450 magicyuv_decoder_select="llviddsp"
2451 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2452 metasound_decoder_select="lsp mdct sinewin"
2453 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2454 mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"
2455 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
2456 mjpegb_decoder_select="mjpeg_decoder"
2457 mjpeg_vaapi_encoder_deps="VAEncPictureParameterBufferJPEG"
2458 mjpeg_vaapi_encoder_select="vaapi_encode jpegtables"
2459 mlp_decoder_select="mlp_parser"
2460 motionpixels_decoder_select="bswapdsp"
2461 mp1_decoder_select="mpegaudio"
2462 mp1float_decoder_select="mpegaudio"
2463 mp2_decoder_select="mpegaudio"
2464 mp2float_decoder_select="mpegaudio"
2465 mp3_decoder_select="mpegaudio"
2466 mp3adu_decoder_select="mpegaudio"
2467 mp3adufloat_decoder_select="mpegaudio"
2468 mp3float_decoder_select="mpegaudio"
2469 mp3on4_decoder_select="mpegaudio"
2470 mp3on4float_decoder_select="mpegaudio"
2471 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2472 mpc8_decoder_select="mpegaudiodsp"
2473 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
2474 mpeg_xvmc_decoder_select="mpeg2video_decoder"
2475 mpegvideo_decoder_select="mpegvideo"
2476 mpeg1video_decoder_select="mpegvideo"
2477 mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"
2478 mpeg2video_decoder_select="mpegvideo"
2479 mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"
2480 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2481 mpeg4_encoder_select="h263_encoder"
2482 msa1_decoder_select="mss34dsp"
2483 msmpeg4v1_decoder_select="h263_decoder"
2484 msmpeg4v2_decoder_select="h263_decoder"
2485 msmpeg4v2_encoder_select="h263_encoder"
2486 msmpeg4v3_decoder_select="h263_decoder"
2487 msmpeg4v3_encoder_select="h263_encoder"
2488 mss2_decoder_select="vc1_decoder mpegvideo"
2489 mts2_decoder_select="mss34dsp"
2490 mxpeg_decoder_select="mjpeg_decoder"
2491 nellymoser_decoder_select="mdct sinewin"
2492 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2493 nuv_decoder_select="idctdsp lzo"
2494 on2avc_decoder_select="mdct"
2495 opus_decoder_deps="swresample"
2496 opus_decoder_select="mdct15"
2497 opus_encoder_select="audio_frame_queue mdct15"
2498 png_decoder_select="zlib"
2499 png_encoder_select="llvidencdsp zlib"
2500 prores_decoder_select="blockdsp idctdsp"
2501 prores_encoder_select="fdctdsp"
2502 qcelp_decoder_select="lsp"
2503 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2504 ra_144_decoder_select="audiodsp"
2505 ra_144_encoder_select="audio_frame_queue lpc audiodsp"
2506 ralf_decoder_select="golomb"
2507 rawvideo_decoder_select="bswapdsp"
2508 rscc_decoder_select="zlib"
2509 rtjpeg_decoder_select="me_cmp"
2510 rv10_decoder_select="h263_decoder"
2511 rv10_encoder_select="h263_encoder"
2512 rv20_decoder_select="h263_decoder"
2513 rv20_encoder_select="h263_encoder"
2514 rv30_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2515 rv40_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2516 screenpresso_decoder_select="zlib"
2517 shorten_decoder_select="golomb bswapdsp"
2518 sipr_decoder_select="lsp"
2519 snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"
2520 snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"
2521 sonic_decoder_select="golomb rangecoder"
2522 sonic_encoder_select="golomb rangecoder"
2523 sonic_ls_encoder_select="golomb rangecoder"
2524 sp5x_decoder_select="mjpeg_decoder"
2525 svq1_decoder_select="hpeldsp"
2526 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2527 svq3_decoder_select="golomb h264dsp h264parse h264pred hpeldsp tpeldsp videodsp"
2528 svq3_decoder_suggest="zlib"
2529 tak_decoder_select="audiodsp"
2530 tdsc_decoder_select="zlib mjpeg_decoder"
2531 theora_decoder_select="vp3_decoder"
2532 thp_decoder_select="mjpeg_decoder"
2533 tiff_decoder_suggest="zlib lzma"
2534 tiff_encoder_suggest="zlib"
2535 truehd_decoder_select="mlp_parser"
2536 truemotion2_decoder_select="bswapdsp"
2537 truespeech_decoder_select="bswapdsp"
2538 tscc_decoder_select="zlib"
2539 twinvq_decoder_select="mdct lsp sinewin"
2540 txd_decoder_select="texturedsp"
2541 utvideo_decoder_select="bswapdsp llviddsp"
2542 utvideo_encoder_select="bswapdsp huffman llvidencdsp"
2543 vble_decoder_select="llviddsp"
2544 vc1_decoder_select="blockdsp h263_decoder h264qpel intrax8 mpegvideo vc1dsp"
2545 vc1_qsv_decoder_deps="libmfx"
2546 vc1_qsv_decoder_select="qsvdec vc1_qsv_hwaccel"
2547 vc1image_decoder_select="vc1_decoder"
2548 vorbis_decoder_select="mdct"
2549 vorbis_encoder_select="mdct"
2550 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2551 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"
2552 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"
2553 vp6a_decoder_select="vp6_decoder"
2554 vp6f_decoder_select="vp6_decoder"
2555 vp7_decoder_select="h264pred videodsp vp8dsp"
2556 vp8_decoder_select="h264pred videodsp vp8dsp"
2557 vp9_decoder_select="videodsp vp9_parser"
2558 webp_decoder_select="vp8_decoder exif"
2559 wmalossless_decoder_select="llauddsp"
2560 wmapro_decoder_select="mdct sinewin wma_freqs"
2561 wmav1_decoder_select="mdct sinewin wma_freqs"
2562 wmav1_encoder_select="mdct sinewin wma_freqs"
2563 wmav2_decoder_select="mdct sinewin wma_freqs"
2564 wmav2_encoder_select="mdct sinewin wma_freqs"
2565 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2566 wmv1_decoder_select="h263_decoder"
2567 wmv1_encoder_select="h263_encoder"
2568 wmv2_decoder_select="blockdsp error_resilience h263_decoder idctdsp intrax8 videodsp wmv2dsp"
2569 wmv2_encoder_select="h263_encoder wmv2dsp"
2570 wmv3_decoder_select="vc1_decoder"
2571 wmv3image_decoder_select="wmv3_decoder"
2572 xma1_decoder_select="wmapro_decoder"
2573 xma2_decoder_select="wmapro_decoder"
2574 zerocodec_decoder_select="zlib"
2575 zlib_decoder_select="zlib"
2576 zlib_encoder_select="zlib"
2577 zmbv_decoder_select="zlib"
2578 zmbv_encoder_select="zlib"
2581 audiotoolbox_deps="AudioToolbox_AudioToolbox_h"
2582 audiotoolbox_extralibs="-framework CoreFoundation -framework AudioToolbox -framework CoreMedia"
2584 # hardware accelerators
2585 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
2586 cuda_deps_any="dlopen LoadLibrary"
2588 d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder ID3D11VideoContext"
2589 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode"
2590 dxva2_extralibs="-luser32"
2591 vaapi_deps="va_va_h"
2592 vda_framework_deps="VideoDecodeAcceleration_VDADecoder_h"
2593 vda_framework_extralibs="-framework VideoDecodeAcceleration"
2594 vda_deps="vda_framework pthreads"
2595 vda_extralibs="-framework CoreFoundation -framework QuartzCore"
2596 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
2597 videotoolbox_hwaccel_deps="videotoolbox pthreads"
2598 videotoolbox_hwaccel_extralibs="-framework QuartzCore"
2599 xvmc_deps="X11_extensions_XvMClib_h"
2601 h263_vaapi_hwaccel_deps="vaapi"
2602 h263_vaapi_hwaccel_select="h263_decoder"
2603 h263_videotoolbox_hwaccel_deps="videotoolbox"
2604 h263_videotoolbox_hwaccel_select="h263_decoder"
2605 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
2606 h264_cuvid_hwaccel_deps="cuda cuvid"
2607 h264_d3d11va_hwaccel_deps="d3d11va"
2608 h264_d3d11va_hwaccel_select="h264_decoder"
2609 h264_dxva2_hwaccel_deps="dxva2"
2610 h264_dxva2_hwaccel_select="h264_decoder"
2611 h264_mediacodec_decoder_deps="mediacodec"
2612 h264_mediacodec_hwaccel_deps="mediacodec"
2613 h264_mediacodec_decoder_select="h264_mp4toannexb_bsf h264_parser"
2614 h264_mmal_decoder_deps="mmal"
2615 h264_mmal_decoder_select="mmal"
2616 h264_mmal_hwaccel_deps="mmal"
2617 h264_omx_encoder_deps="omx"
2618 h264_qsv_hwaccel_deps="libmfx"
2619 h264_vaapi_hwaccel_deps="vaapi"
2620 h264_vaapi_hwaccel_select="h264_decoder"
2621 h264_vda_decoder_deps="vda"
2622 h264_vda_decoder_select="h264_decoder"
2623 h264_vda_hwaccel_deps="vda"
2624 h264_vda_hwaccel_select="h264_decoder"
2625 h264_vda_old_hwaccel_deps="vda"
2626 h264_vda_old_hwaccel_select="h264_decoder"
2627 h264_vdpau_decoder_deps="vdpau"
2628 h264_vdpau_decoder_select="h264_decoder"
2629 h264_vdpau_hwaccel_deps="vdpau"
2630 h264_vdpau_hwaccel_select="h264_decoder"
2631 h264_videotoolbox_hwaccel_deps="videotoolbox"
2632 h264_videotoolbox_hwaccel_select="h264_decoder"
2633 hevc_cuvid_hwaccel_deps="cuda cuvid"
2634 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2635 hevc_d3d11va_hwaccel_select="hevc_decoder"
2636 hevc_mediacodec_decoder_deps="mediacodec"
2637 hevc_mediacodec_hwaccel_deps="mediacodec"
2638 hevc_mediacodec_decoder_select="hevc_mp4toannexb_bsf hevc_parser"
2639 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2640 hevc_dxva2_hwaccel_select="hevc_decoder"
2641 hevc_qsv_hwaccel_deps="libmfx"
2642 hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC"
2643 hevc_vaapi_hwaccel_select="hevc_decoder"
2644 hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"
2645 hevc_vdpau_hwaccel_select="hevc_decoder"
2646 mjpeg_cuvid_hwaccel_deps="cuda cuvid"
2647 mpeg_vdpau_decoder_deps="vdpau"
2648 mpeg_vdpau_decoder_select="mpeg2video_decoder"
2649 mpeg_xvmc_hwaccel_deps="xvmc"
2650 mpeg_xvmc_hwaccel_select="mpeg2video_decoder"
2651 mpeg1_cuvid_hwaccel_deps="cuda cuvid"
2652 mpeg1_vdpau_decoder_deps="vdpau"
2653 mpeg1_vdpau_decoder_select="mpeg1video_decoder"
2654 mpeg1_vdpau_hwaccel_deps="vdpau"
2655 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2656 mpeg1_videotoolbox_hwaccel_deps="videotoolbox"
2657 mpeg1_videotoolbox_hwaccel_select="mpeg1video_decoder"
2658 mpeg1_xvmc_hwaccel_deps="xvmc"
2659 mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"
2660 mpeg2_crystalhd_decoder_select="crystalhd"
2661 mpeg2_cuvid_hwaccel_deps="cuda cuvid"
2662 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2663 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2664 mpeg2_dxva2_hwaccel_deps="dxva2"
2665 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2666 mpeg2_mmal_decoder_deps="mmal"
2667 mpeg2_mmal_decoder_select="mmal"
2668 mpeg2_mmal_hwaccel_deps="mmal"
2669 mpeg2_qsv_hwaccel_deps="libmfx"
2670 mpeg2_qsv_hwaccel_select="qsvdec_mpeg2"
2671 mpeg2_vaapi_hwaccel_deps="vaapi"
2672 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2673 mpeg2_vdpau_hwaccel_deps="vdpau"
2674 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2675 mpeg2_videotoolbox_hwaccel_deps="videotoolbox"
2676 mpeg2_videotoolbox_hwaccel_select="mpeg2video_decoder"
2677 mpeg2_xvmc_hwaccel_deps="xvmc"
2678 mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"
2679 mpeg4_crystalhd_decoder_select="crystalhd"
2680 mpeg4_cuvid_hwaccel_deps="cuda cuvid"
2681 mpeg4_mediacodec_decoder_deps="mediacodec"
2682 mpeg4_mediacodec_hwaccel_deps="mediacodec"
2683 mpeg4_mmal_decoder_deps="mmal"
2684 mpeg4_mmal_decoder_select="mmal"
2685 mpeg4_mmal_hwaccel_deps="mmal"
2686 mpeg4_omx_encoder_deps="omx"
2687 mpeg4_vaapi_hwaccel_deps="vaapi"
2688 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2689 mpeg4_vdpau_decoder_deps="vdpau"
2690 mpeg4_vdpau_decoder_select="mpeg4_decoder"
2691 mpeg4_vdpau_hwaccel_deps="vdpau"
2692 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2693 mpeg4_videotoolbox_hwaccel_deps="videotoolbox"
2694 mpeg4_videotoolbox_hwaccel_select="mpeg4_decoder"
2695 msmpeg4_crystalhd_decoder_select="crystalhd"
2696 vc1_crystalhd_decoder_select="crystalhd"
2697 vc1_cuvid_hwaccel_deps="cuda cuvid"
2698 vc1_d3d11va_hwaccel_deps="d3d11va"
2699 vc1_d3d11va_hwaccel_select="vc1_decoder"
2700 vc1_dxva2_hwaccel_deps="dxva2"
2701 vc1_dxva2_hwaccel_select="vc1_decoder"
2702 vc1_mmal_decoder_deps="mmal"
2703 vc1_mmal_decoder_select="mmal"
2704 vc1_mmal_hwaccel_deps="mmal"
2705 vc1_qsv_hwaccel_deps="libmfx"
2706 vc1_qsv_hwaccel_select="qsvdec_vc1"
2707 vc1_vaapi_hwaccel_deps="vaapi"
2708 vc1_vaapi_hwaccel_select="vc1_decoder"
2709 vc1_vdpau_decoder_deps="vdpau"
2710 vc1_vdpau_decoder_select="vc1_decoder"
2711 vc1_vdpau_hwaccel_deps="vdpau"
2712 vc1_vdpau_hwaccel_select="vc1_decoder"
2713 vp8_cuvid_hwaccel_deps="cuda cuvid"
2714 vp9_cuvid_hwaccel_deps="cuda cuvid"
2715 vp8_mediacodec_decoder_deps="mediacodec"
2716 vp8_mediacodec_hwaccel_deps="mediacodec"
2717 vp9_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_VP9"
2718 vp9_d3d11va_hwaccel_select="vp9_decoder"
2719 vp9_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_VP9"
2720 vp9_dxva2_hwaccel_select="vp9_decoder"
2721 vp9_mediacodec_decoder_deps="mediacodec"
2722 vp9_mediacodec_hwaccel_deps="mediacodec"
2723 vp9_vaapi_hwaccel_deps="vaapi VADecPictureParameterBufferVP9_bit_depth"
2724 vp9_vaapi_hwaccel_select="vp9_decoder"
2725 wmv3_crystalhd_decoder_select="crystalhd"
2726 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2727 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2728 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2729 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2730 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2732 # hardware-accelerated codecs
2733 omx_deps="dlopen pthreads"
2734 omx_extralibs='$ldl'
2737 vaapi_encode_deps="vaapi"
2739 hwupload_cuda_filter_deps="cuda"
2740 scale_npp_filter_deps="cuda libnpp"
2743 nvenc_deps_any="dlopen LoadLibrary"
2744 nvenc_encoder_deps="nvenc"
2745 h264_cuvid_decoder_deps="cuda cuvid"
2746 h264_cuvid_decoder_select="h264_mp4toannexb_bsf h264_cuvid_hwaccel"
2747 h264_nvenc_encoder_deps="nvenc"
2748 h264_qsv_decoder_deps="libmfx"
2749 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
2750 h264_qsv_encoder_deps="libmfx"
2751 h264_qsv_encoder_select="qsvenc"
2752 h264_vaapi_encoder_deps="VAEncPictureParameterBufferH264"
2753 h264_vaapi_encoder_select="vaapi_encode golomb"
2755 hevc_cuvid_decoder_deps="cuda cuvid"
2756 hevc_cuvid_decoder_select="hevc_mp4toannexb_bsf hevc_cuvid_hwaccel"
2757 hevc_nvenc_encoder_deps="nvenc"
2758 hevc_qsv_decoder_deps="libmfx"
2759 hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec hevc_qsv_hwaccel"
2760 hevc_qsv_encoder_deps="libmfx"
2761 hevc_qsv_encoder_select="qsvenc"
2762 hevc_vaapi_encoder_deps="VAEncPictureParameterBufferHEVC"
2763 hevc_vaapi_encoder_select="vaapi_encode golomb"
2764 mjpeg_cuvid_decoder_deps="cuda cuvid"
2765 mjpeg_cuvid_decoder_select="mjpeg_cuvid_hwaccel"
2766 mpeg1_cuvid_decoder_deps="cuda cuvid"
2767 mpeg1_cuvid_decoder_select="mpeg1_cuvid_hwaccel"
2768 mpeg2_cuvid_decoder_deps="cuda cuvid"
2769 mpeg2_cuvid_decoder_select="mpeg2_cuvid_hwaccel"
2770 mpeg2_qsv_decoder_deps="libmfx"
2771 mpeg2_qsv_decoder_select="qsvdec mpeg2_qsv_hwaccel"
2772 mpeg2_qsv_encoder_deps="libmfx"
2773 mpeg2_qsv_encoder_select="qsvenc"
2774 mpeg2_vaapi_encoder_deps="VAEncPictureParameterBufferMPEG2"
2775 mpeg2_vaapi_encoder_select="vaapi_encode"
2776 mpeg4_cuvid_decoder_deps="cuda cuvid"
2777 mpeg4_cuvid_decoder_select="mpeg4_cuvid_hwaccel"
2778 nvenc_h264_encoder_deps="nvenc"
2779 nvenc_hevc_encoder_deps="nvenc"
2781 vc1_cuvid_decoder_deps="cuda cuvid"
2782 vc1_cuvid_decoder_select="vc1_cuvid_hwaccel"
2783 vp8_cuvid_decoder_deps="cuda cuvid"
2784 vp8_cuvid_decoder_select="vp8_cuvid_hwaccel"
2785 vp8_vaapi_encoder_deps="VAEncPictureParameterBufferVP8"
2786 vp8_vaapi_encoder_select="vaapi_encode"
2787 vp9_cuvid_decoder_deps="cuda cuvid"
2788 vp9_cuvid_decoder_select="vp9_cuvid_hwaccel"
2791 h264_parser_select="golomb h264dsp h264parse"
2792 hevc_parser_select="golomb"
2793 mpegvideo_parser_select="mpegvideo"
2794 mpeg4video_parser_select="h263dsp mpegvideo qpeldsp"
2795 vc1_parser_select="vc1dsp"
2798 mjpeg2jpeg_bsf_select="jpegtables"
2800 # external libraries
2801 aac_at_decoder_deps="audiotoolbox"
2802 ac3_at_decoder_deps="audiotoolbox"
2803 ac3_at_decoder_select="ac3_parser"
2804 adpcm_ima_qt_at_decoder_deps="audiotoolbox"
2805 alac_at_decoder_deps="audiotoolbox"
2806 amr_nb_at_decoder_deps="audiotoolbox"
2807 avisynth_deps_any="dlopen LoadLibrary"
2808 avisynth_demuxer_deps="avisynth"
2809 avisynth_demuxer_select="riffdec"
2810 eac3_at_decoder_deps="audiotoolbox"
2811 eac3_at_decoder_select="ac3_parser"
2812 gsm_ms_at_decoder_deps="audiotoolbox"
2813 ilbc_at_decoder_deps="audiotoolbox"
2814 mp1_at_decoder_deps="audiotoolbox"
2815 mp2_at_decoder_deps="audiotoolbox"
2816 mp3_at_decoder_deps="audiotoolbox"
2817 pcm_alaw_at_decoder_deps="audiotoolbox"
2818 pcm_mulaw_at_decoder_deps="audiotoolbox"
2819 qdmc_at_decoder_deps="audiotoolbox"
2820 qdm2_at_decoder_deps="audiotoolbox"
2821 aac_at_encoder_deps="audiotoolbox"
2822 aac_at_encoder_select="audio_frame_queue"
2823 alac_at_encoder_deps="audiotoolbox"
2824 alac_at_encoder_select="audio_frame_queue"
2825 ilbc_at_encoder_deps="audiotoolbox"
2826 ilbc_at_encoder_select="audio_frame_queue"
2827 pcm_alaw_at_encoder_deps="audiotoolbox"
2828 pcm_alaw_at_encoder_select="audio_frame_queue"
2829 pcm_mulaw_at_encoder_deps="audiotoolbox"
2830 pcm_mulaw_at_encoder_select="audio_frame_queue"
2831 chromaprint_muxer_deps="chromaprint"
2832 h264_videotoolbox_encoder_deps="videotoolbox_encoder pthreads"
2833 libcelt_decoder_deps="libcelt"
2834 libfdk_aac_decoder_deps="libfdk_aac"
2835 libfdk_aac_encoder_deps="libfdk_aac"
2836 libfdk_aac_encoder_select="audio_frame_queue"
2837 libgme_demuxer_deps="libgme"
2838 libgsm_decoder_deps="libgsm"
2839 libgsm_encoder_deps="libgsm"
2840 libgsm_ms_decoder_deps="libgsm"
2841 libgsm_ms_encoder_deps="libgsm"
2842 libilbc_decoder_deps="libilbc"
2843 libilbc_encoder_deps="libilbc"
2844 libkvazaar_encoder_deps="libkvazaar"
2845 libmodplug_demuxer_deps="libmodplug"
2846 libmp3lame_encoder_deps="libmp3lame"
2847 libmp3lame_encoder_select="audio_frame_queue"
2848 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2849 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2850 libopencore_amrnb_encoder_select="audio_frame_queue"
2851 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2852 libopenh264_decoder_deps="libopenh264"
2853 libopenh264_decoder_select="h264_mp4toannexb_bsf"
2854 libopenh264_encoder_deps="libopenh264"
2855 libopenjpeg_decoder_deps="libopenjpeg"
2856 libopenjpeg_encoder_deps="libopenjpeg"
2857 libopenmpt_demuxer_deps="libopenmpt"
2858 libopus_decoder_deps="libopus"
2859 libopus_encoder_deps="libopus"
2860 libopus_encoder_select="audio_frame_queue"
2861 libschroedinger_decoder_deps="libschroedinger"
2862 libschroedinger_encoder_deps="libschroedinger"
2863 libshine_encoder_deps="libshine"
2864 libshine_encoder_select="audio_frame_queue"
2865 libspeex_decoder_deps="libspeex"
2866 libspeex_encoder_deps="libspeex"
2867 libspeex_encoder_select="audio_frame_queue"
2868 libtheora_encoder_deps="libtheora"
2869 libtwolame_encoder_deps="libtwolame"
2870 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2871 libvorbis_decoder_deps="libvorbis"
2872 libvorbis_encoder_deps="libvorbis"
2873 libvorbis_encoder_select="audio_frame_queue"
2874 libvpx_vp8_decoder_deps="libvpx"
2875 libvpx_vp8_encoder_deps="libvpx"
2876 libvpx_vp9_decoder_deps="libvpx"
2877 libvpx_vp9_encoder_deps="libvpx"
2878 libwavpack_encoder_deps="libwavpack"
2879 libwebp_encoder_deps="libwebp"
2880 libwebp_anim_encoder_deps="libwebp"
2881 libx262_encoder_deps="libx262"
2882 libx264_encoder_deps="libx264"
2883 libx264rgb_encoder_deps="libx264 x264_csp_bgr"
2884 libx264rgb_encoder_select="libx264_encoder"
2885 libx265_encoder_deps="libx265"
2886 libxavs_encoder_deps="libxavs"
2887 libxvid_encoder_deps="libxvid"
2888 libzvbi_teletext_decoder_deps="libzvbi"
2889 videotoolbox_deps="VideoToolbox_VideoToolbox_h"
2890 videotoolbox_extralibs="-framework CoreFoundation -framework VideoToolbox -framework CoreMedia -framework CoreVideo"
2891 videotoolbox_encoder_deps="videotoolbox VTCompressionSessionPrepareToEncodeFrames"
2892 videotoolbox_encoder_suggest="vda_framework vt_bt2020"
2893 vt_bt2020_deps="kCVImageBufferColorPrimaries_ITU_R_2020"
2896 ac3_demuxer_select="ac3_parser"
2897 aiff_muxer_select="iso_media"
2898 asf_demuxer_select="riffdec"
2899 asf_o_demuxer_select="riffdec"
2900 asf_muxer_select="riffenc"
2901 asf_stream_muxer_select="asf_muxer"
2902 avi_demuxer_select="iso_media riffdec exif"
2903 avi_muxer_select="riffenc"
2904 caf_demuxer_select="iso_media riffdec"
2905 caf_muxer_select="iso_media"
2906 dash_muxer_select="mp4_muxer"
2907 dirac_demuxer_select="dirac_parser"
2908 dts_demuxer_select="dca_parser"
2909 dtshd_demuxer_select="dca_parser"
2910 dv_demuxer_select="dvprofile"
2911 dv_muxer_select="dvprofile"
2912 dxa_demuxer_select="riffdec"
2913 eac3_demuxer_select="ac3_parser"
2914 f4v_muxer_select="mov_muxer"
2915 fifo_muxer_deps="threads"
2916 flac_demuxer_select="flac_parser"
2917 hds_muxer_select="flv_muxer"
2918 hls_muxer_select="mpegts_muxer"
2919 image2_alias_pix_demuxer_select="image2_demuxer"
2920 image2_brender_pix_demuxer_select="image2_demuxer"
2921 ipod_muxer_select="mov_muxer"
2922 ismv_muxer_select="mov_muxer"
2923 libnut_demuxer_deps="libnut"
2924 libnut_muxer_deps="libnut"
2925 matroska_audio_muxer_select="matroska_muxer"
2926 matroska_demuxer_select="iso_media riffdec"
2927 matroska_demuxer_suggest="bzlib lzo zlib"
2928 matroska_muxer_select="iso_media riffenc"
2929 mmf_muxer_select="riffenc"
2930 mov_demuxer_select="iso_media riffdec"
2931 mov_demuxer_suggest="zlib"
2932 mov_muxer_select="iso_media riffenc rtpenc_chain"
2933 mp3_demuxer_select="mpegaudio_parser"
2934 mp4_muxer_select="mov_muxer"
2935 mpegts_demuxer_select="iso_media"
2936 mpegts_muxer_select="adts_muxer latm_muxer"
2937 mpegtsraw_demuxer_select="mpegts_demuxer"
2938 mxf_d10_muxer_select="mxf_muxer"
2939 mxf_opatom_muxer_select="mxf_muxer"
2940 nut_muxer_select="riffenc"
2941 nuv_demuxer_select="riffdec"
2942 oga_muxer_select="ogg_muxer"
2943 ogg_demuxer_select="dirac_parse"
2944 ogv_muxer_select="ogg_muxer"
2945 opus_muxer_select="ogg_muxer"
2946 psp_muxer_select="mov_muxer"
2947 rtp_demuxer_select="sdp_demuxer"
2948 rtp_muxer_select="golomb"
2949 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol srtp"
2950 rtsp_demuxer_select="http_protocol rtpdec"
2951 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2952 sap_demuxer_select="sdp_demuxer"
2953 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2954 sdp_demuxer_select="rtpdec"
2955 smoothstreaming_muxer_select="ismv_muxer"
2956 spdif_muxer_select="aac_parser"
2957 spx_muxer_select="ogg_muxer"
2958 swf_demuxer_suggest="zlib"
2959 tak_demuxer_select="tak_parser"
2960 tg2_muxer_select="mov_muxer"
2961 tgp_muxer_select="mov_muxer"
2962 vobsub_demuxer_select="mpegps_demuxer"
2963 w64_demuxer_select="wav_demuxer"
2964 w64_muxer_select="wav_muxer"
2965 wav_demuxer_select="riffdec"
2966 wav_muxer_select="riffenc"
2967 webm_muxer_select="iso_media riffenc"
2968 webm_dash_manifest_demuxer_select="matroska_demuxer"
2969 wtv_demuxer_select="mpegts_demuxer riffdec"
2970 wtv_muxer_select="mpegts_muxer riffenc"
2971 xmv_demuxer_select="riffdec"
2972 xwma_demuxer_select="riffdec"
2975 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2976 alsa_outdev_deps="alsa_asoundlib_h"
2977 avfoundation_indev_extralibs="-framework CoreVideo -framework Foundation -framework AVFoundation -framework CoreMedia"
2978 avfoundation_indev_select="avfoundation"
2979 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2980 caca_outdev_deps="libcaca"
2981 decklink_indev_deps="decklink pthreads"
2982 decklink_indev_extralibs="-lstdc++"
2983 decklink_outdev_deps="decklink pthreads"
2984 decklink_outdev_extralibs="-lstdc++"
2985 dshow_indev_deps="IBaseFilter"
2986 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"
2987 dv1394_indev_deps="dv1394"
2988 dv1394_indev_select="dv_demuxer"
2989 fbdev_indev_deps="linux_fb_h"
2990 fbdev_outdev_deps="linux_fb_h"
2991 gdigrab_indev_deps="CreateDIBSection"
2992 gdigrab_indev_extralibs="-lgdi32"
2993 gdigrab_indev_select="bmp_decoder"
2994 iec61883_indev_deps="libiec61883"
2995 jack_indev_deps="jack_jack_h"
2996 jack_indev_deps_any="sem_timedwait dispatch_dispatch_h"
2997 lavfi_indev_deps="avfilter"
2998 libcdio_indev_deps="libcdio"
2999 libdc1394_indev_deps="libdc1394"
3000 libv4l2_indev_deps="libv4l2"
3001 openal_indev_deps="openal"
3002 opengl_outdev_deps="opengl"
3003 oss_indev_deps_any="soundcard_h sys_soundcard_h"
3004 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
3005 pulse_indev_deps="libpulse"
3006 pulse_outdev_deps="libpulse"
3007 qtkit_indev_extralibs="-framework QTKit -framework Foundation -framework QuartzCore"
3008 qtkit_indev_select="qtkit"
3009 sdl2_outdev_deps="sdl2"
3010 sndio_indev_deps="sndio_h"
3011 sndio_outdev_deps="sndio_h"
3012 v4l_indev_deps="linux_videodev_h"
3013 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
3014 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
3015 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
3016 vfwcap_indev_extralibs="-lavicap32"
3017 xcbgrab_indev_deps="libxcb"
3018 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
3019 xv_outdev_extralibs="-lXv -lX11 -lXext"
3022 async_protocol_deps="threads"
3023 bluray_protocol_deps="libbluray"
3024 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
3025 ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"
3026 ffrtmpcrypt_protocol_select="tcp_protocol"
3027 ffrtmphttp_protocol_deps="!librtmp_protocol"
3028 ffrtmphttp_protocol_select="http_protocol"
3029 ftp_protocol_select="tcp_protocol"
3030 gopher_protocol_select="network"
3031 http_protocol_select="tcp_protocol"
3032 httpproxy_protocol_select="tcp_protocol"
3033 https_protocol_select="tls_protocol"
3034 icecast_protocol_select="http_protocol"
3035 librtmp_protocol_deps="librtmp"
3036 librtmpe_protocol_deps="librtmp"
3037 librtmps_protocol_deps="librtmp"
3038 librtmpt_protocol_deps="librtmp"
3039 librtmpte_protocol_deps="librtmp"
3040 libsmbclient_protocol_deps="libsmbclient gplv3"
3041 libssh_protocol_deps="libssh"
3042 mmsh_protocol_select="http_protocol"
3043 mmst_protocol_select="network"
3044 rtmp_protocol_deps="!librtmp_protocol"
3045 rtmp_protocol_select="tcp_protocol"
3046 rtmpe_protocol_select="ffrtmpcrypt_protocol"
3047 rtmps_protocol_deps="!librtmp_protocol"
3048 rtmps_protocol_select="tls_protocol"
3049 rtmpt_protocol_select="ffrtmphttp_protocol"
3050 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
3051 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
3052 rtp_protocol_select="udp_protocol"
3053 sctp_protocol_deps="struct_sctp_event_subscribe struct_msghdr_msg_flags"
3054 sctp_protocol_select="network"
3055 srtp_protocol_select="rtp_protocol srtp"
3056 tcp_protocol_select="network"
3057 tls_gnutls_protocol_deps="gnutls !tls_schannel_protocol !tls_securetransport_protocol"
3058 tls_gnutls_protocol_select="tcp_protocol"
3059 tls_openssl_protocol_deps="openssl !tls_schannel_protocol !tls_securetransport_protocol !tls_gnutls_protocol"
3060 tls_openssl_protocol_select="tcp_protocol"
3061 tls_schannel_protocol_deps="schannel"
3062 tls_schannel_protocol_select="tcp_protocol"
3063 tls_securetransport_protocol_deps="securetransport"
3064 tls_securetransport_protocol_select="tcp_protocol"
3065 tls_protocol_deps_any="tls_schannel_protocol tls_securetransport_protocol tls_gnutls_protocol tls_openssl_protocol"
3066 udp_protocol_select="network"
3067 udplite_protocol_select="network"
3068 unix_protocol_deps="sys_un_h"
3069 unix_protocol_select="network"
3072 afftfilt_filter_deps="avcodec"
3073 afftfilt_filter_select="fft"
3074 amovie_filter_deps="avcodec avformat"
3075 aresample_filter_deps="swresample"
3076 ass_filter_deps="libass"
3077 asyncts_filter_deps="avresample"
3078 atempo_filter_deps="avcodec"
3079 atempo_filter_select="rdft"
3080 azmq_filter_deps="libzmq"
3081 blackframe_filter_deps="gpl"
3082 boxblur_filter_deps="gpl"
3083 bs2b_filter_deps="libbs2b"
3084 colormatrix_filter_deps="gpl"
3085 cover_rect_filter_deps="avcodec avformat gpl"
3086 cropdetect_filter_deps="gpl"
3087 deinterlace_qsv_filter_deps="libmfx"
3088 deinterlace_vaapi_filter_deps="vaapi"
3089 delogo_filter_deps="gpl"
3090 deshake_filter_select="pixelutils"
3091 drawtext_filter_deps="libfreetype"
3092 eq_filter_deps="gpl"
3093 fftfilt_filter_deps="avcodec"
3094 fftfilt_filter_select="rdft"
3095 find_rect_filter_deps="avcodec avformat gpl"
3096 firequalizer_filter_deps="avcodec"
3097 firequalizer_filter_select="rdft"
3098 flite_filter_deps="libflite"
3099 framerate_filter_select="pixelutils"
3100 frei0r_filter_deps="frei0r dlopen"
3101 frei0r_src_filter_deps="frei0r dlopen"
3102 fspp_filter_deps="gpl"
3103 geq_filter_deps="gpl"
3104 histeq_filter_deps="gpl"
3105 hqdn3d_filter_deps="gpl"
3106 interlace_filter_deps="gpl"
3107 kerndeint_filter_deps="gpl"
3108 ladspa_filter_deps="ladspa dlopen"
3109 mcdeint_filter_deps="avcodec gpl"
3110 movie_filter_deps="avcodec avformat"
3111 mpdecimate_filter_deps="gpl"
3112 mpdecimate_filter_select="pixelutils"
3113 mptestsrc_filter_deps="gpl"
3114 negate_filter_deps="lut_filter"
3115 nnedi_filter_deps="gpl"
3116 ocr_filter_deps="libtesseract"
3117 ocv_filter_deps="libopencv"
3118 owdenoise_filter_deps="gpl"
3119 pan_filter_deps="swresample"
3120 perspective_filter_deps="gpl"
3121 phase_filter_deps="gpl"
3122 pp7_filter_deps="gpl"
3123 pp_filter_deps="gpl postproc"
3124 pullup_filter_deps="gpl"
3125 removelogo_filter_deps="avcodec avformat swscale"
3126 repeatfields_filter_deps="gpl"
3127 resample_filter_deps="avresample"
3128 rubberband_filter_deps="librubberband"
3129 sab_filter_deps="gpl swscale"
3130 scale2ref_filter_deps="swscale"
3131 scale_filter_deps="swscale"
3132 scale_qsv_filter_deps="libmfx"
3133 select_filter_select="pixelutils"
3134 showcqt_filter_deps="avcodec avformat swscale"
3135 showcqt_filter_select="fft"
3136 showfreqs_filter_deps="avcodec"
3137 showfreqs_filter_select="fft"
3138 showspectrum_filter_deps="avcodec"
3139 showspectrum_filter_select="fft"
3140 showspectrumpic_filter_deps="avcodec"
3141 showspectrumpic_filter_select="fft"
3142 smartblur_filter_deps="gpl swscale"
3143 sofalizer_filter_deps="netcdf avcodec"
3144 sofalizer_filter_select="fft"
3145 spectrumsynth_filter_deps="avcodec"
3146 spectrumsynth_filter_select="fft"
3147 spp_filter_deps="gpl avcodec"
3148 spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"
3149 stereo3d_filter_deps="gpl"
3150 subtitles_filter_deps="avformat avcodec libass"
3151 super2xsai_filter_deps="gpl"
3152 pixfmts_super2xsai_test_deps="super2xsai_filter"
3153 tinterlace_filter_deps="gpl"
3154 tinterlace_merge_test_deps="tinterlace_filter"
3155 tinterlace_pad_test_deps="tinterlace_filter"
3156 uspp_filter_deps="gpl avcodec"
3157 vaguedenoiser_filter_deps="gpl"
3158 vidstabdetect_filter_deps="libvidstab"
3159 vidstabtransform_filter_deps="libvidstab"
3160 zmq_filter_deps="libzmq"
3161 zoompan_filter_deps="swscale"
3162 zscale_filter_deps="libzimg"
3163 scale_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
3166 avio_dir_cmd_deps="avformat avutil"
3167 avio_reading_deps="avformat avcodec avutil"
3168 decoding_encoding_example_deps="avcodec avformat avutil"
3169 demuxing_decoding_example_deps="avcodec avformat avutil"
3170 extract_mvs_example_deps="avcodec avformat avutil"
3171 filter_audio_example_deps="avfilter avutil"
3172 filtering_audio_example_deps="avfilter avcodec avformat avutil"
3173 filtering_video_example_deps="avfilter avcodec avformat avutil"
3174 http_multiclient_example_deps="avformat avutil fork"
3175 metadata_example_deps="avformat avutil"
3176 muxing_example_deps="avcodec avformat avutil swscale"
3177 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder vaapi_x11"
3178 remuxing_example_deps="avcodec avformat avutil"
3179 resampling_audio_example_deps="avutil swresample"
3180 scaling_video_example_deps="avutil swscale"
3181 transcode_aac_example_deps="avcodec avformat swresample"
3182 transcoding_example_deps="avfilter avcodec avformat avutil"
3184 # libraries, in linking order
3185 avcodec_deps="avutil"
3186 avdevice_deps="avformat avcodec avutil"
3187 avfilter_deps="avutil"
3188 avformat_deps="avcodec avutil"
3189 avresample_deps="avutil"
3190 postproc_deps="avutil gpl"
3191 swresample_deps="avutil"
3192 swscale_deps="avutil"
3195 ffmpeg_deps="avcodec avfilter avformat swresample"
3196 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
3199 ffplay_deps="avcodec avformat swscale swresample sdl2"
3200 ffplay_libs='$sdl2_libs'
3201 ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"
3202 ffprobe_deps="avcodec avformat"
3203 ffserver_deps="avformat fork sarestart"
3204 ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
3207 podpages_deps="perl"
3208 manpages_deps="perl pod2man"
3209 htmlpages_deps="perl"
3210 htmlpages_deps_any="makeinfo_html texi2html"
3211 txtpages_deps="perl makeinfo"
3212 doc_deps_any="manpages htmlpages podpages txtpages"
3214 # default parameters
3216 logfile="config.log"
3218 # installation paths
3219 prefix_default="/usr/local"
3220 bindir_default='${prefix}/bin'
3221 datadir_default='${prefix}/share/ffmpeg'
3222 docdir_default='${prefix}/share/doc/ffmpeg'
3223 incdir_default='${prefix}/include'
3224 libdir_default='${prefix}/lib'
3225 mandir_default='${prefix}/share/man'
3231 host_cc_default="gcc"
3233 doxygen_default="doxygen"
3235 ln_s_default="ln -s -f"
3238 pkg_config_default=pkg-config
3239 ranlib_default="ranlib"
3240 strip_default="strip"
3241 version_script='--version-script'
3242 yasmexe_default="yasm"
3243 windres_default="windres"
3246 target_os_default=$(tolower $(uname -s))
3247 host_os=$target_os_default
3250 if test "$target_os_default" = aix; then
3251 arch_default=$(uname -p)
3252 strip_default="strip -X32_64"
3254 arch_default=$(uname -m)
3259 # configurable options
3260 enable $PROGRAM_LIST
3261 enable $DOCUMENT_LIST
3262 enable $EXAMPLE_LIST
3263 enable $(filter_out avresample $LIBRARY_LIST)
3269 enable faan faandct faanidct
3270 enable optimizations
3271 enable runtime_cpudetect
3272 enable safe_bitstream_reader
3274 enable swscale_alpha
3275 enable valgrind_backtrace
3277 sws_max_filter_size_default=256
3278 set_default sws_max_filter_size
3281 SHFLAGS='-shared -Wl,-soname,$$(@F)'
3284 FULLNAME='$(NAME)$(BUILDSUF)'
3285 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
3288 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
3289 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
3290 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
3291 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
3292 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
3293 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
3294 VERSION_SCRIPT_POSTPROCESS_CMD="cat"
3319 host_cflags_filter=echo
3320 host_ldflags_filter=echo
3322 target_path='$(CURDIR)'
3324 # since the object filename is not given with the -MM flag, the compiler
3325 # is only able to print the basename, and we must add the path ourselves
3326 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>/dev/null | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(@F),$(@D)/$(@F)," > $(@:.o=.d)'
3330 if test -f configure; then
3333 source_path=$(cd $(dirname "$0"); pwd)
3334 case "$source_path" in
3335 *[[:blank:]]*) die "Out of tree builds are impossible with whitespace in source path." ;;
3337 test -e "$source_path/config.h" &&
3338 die "Out of tree builds are impossible with config.h in source dir."
3345 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
3351 file=$source_path/$3
3352 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
3355 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
3356 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
3357 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
3358 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
3359 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
3360 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
3361 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
3362 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
3363 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
3365 find_things_extern(){
3368 file=$source_path/$3
3369 sed -n "s/^[^#]*extern.*$pattern *ff_\([^ ]*\)_$thing;/\1_$thing/p" "$file"
3372 BSF_LIST=$(find_things_extern bsf AVBitStreamFilter libavcodec/bitstream_filters.c)
3373 PROTOCOL_LIST=$(find_things_extern protocol URLProtocol libavformat/protocols.c)
3389 for n in $COMPONENT_LIST; do
3390 v=$(toupper ${n%s})_LIST
3392 eval ${n}_if_any="\$$v"
3395 enable $ARCH_EXT_LIST
3398 echo "Unknown option \"$1\"."
3399 echo "See $0 --help for available options."
3403 print_in_columns() {
3404 cols=$(expr $ncols / 24)
3405 cat | tr ' ' '\n' | sort | pr -r "-$cols" -w $ncols -t
3411 echo $* | sed s/$suffix//g | print_in_columns
3423 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
3424 echo "prob ${prob:-0.5}"
3432 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
3433 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
3442 --extra-ldexeflags=*)
3443 add_ldexeflags $optval
3445 --extra-ldlibflags=*)
3446 add_ldlibflags $optval
3449 add_extralibs $optval
3452 disable $INDEV_LIST $OUTDEV_LIST
3455 debuglevel="$optval"
3458 disable $PROGRAM_LIST
3460 --disable-everything)
3461 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3464 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3465 disable $LIBRARY_LIST $PROGRAM_LIST doc
3468 --enable-random|--disable-random)
3469 action=${opt%%-random}
3470 do_random ${action#--} $COMPONENT_LIST
3472 --enable-random=*|--disable-random=*)
3473 action=${opt%%-random=*}
3474 do_random ${action#--} $optval
3476 --enable-*=*|--disable-*=*)
3477 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
3478 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
3479 eval list=\$$(toupper $thing)_LIST
3480 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
3481 list=$(filter "$name" $list)
3482 [ "$list" = "" ] && warn "Option $opt did not match anything"
3485 --enable-?*|--disable-?*)
3486 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
3487 if is_in $option $COMPONENT_LIST; then
3488 test $action = disable && action=unset
3489 eval $action \$$(toupper ${option%s})_LIST
3490 elif is_in $option $CMDLINE_SELECT; then
3497 NAME="${opt#--list-}"
3498 is_in $NAME $COMPONENT_LIST || die_unknown $opt
3500 eval show_list $NAME \$$(toupper $NAME)_LIST
3502 --help|-h) show_help
3504 --fatal-warnings) enable fatal_warnings
3507 optname="${opt%%=*}"
3508 optname="${optname#--}"
3509 optname=$(echo "$optname" | sed 's/-/_/g')
3510 if is_in $optname $CMDLINE_SET; then
3511 eval $optname='$optval'
3512 elif is_in $optname $CMDLINE_APPEND; then
3513 append $optname "$optval"
3525 # Mark specifically enabled, but normally autodetected libraries as requested.
3526 for lib in $AUTODETECT_LIBS; do
3527 enabled $lib && request $lib
3530 # Enable platform codecs by default.
3531 enable_weak audiotoolbox
3533 # Enable hwaccels by default.
3534 enable_weak d3d11va dxva2 vaapi vda vdpau videotoolbox_hwaccel xvmc
3537 enable_weak cuda cuvid nvenc vda_framework videotoolbox videotoolbox_encoder
3539 disabled logging && logfile=/dev/null
3541 # Disable all the library-specific components if the library itself
3542 # is disabled, see AVCODEC_LIST and following _LIST variables.
3544 disable_components(){
3545 disabled ${1} && disable $(
3546 eval components="\$$(toupper ${1})_COMPONENTS"
3547 map 'eval echo \${$(toupper ${v%s})_LIST}' $components
3551 map 'disable_components $v' $LIBRARY_LIST
3553 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
3556 test -n "$valgrind" && toolchain="valgrind-memcheck"
3558 case "$toolchain" in
3560 cc_default="${toolchain%-asan}"
3561 add_cflags -fsanitize=address
3562 add_ldflags -fsanitize=address
3565 cc_default="${toolchain%-msan}"
3566 add_cflags -fsanitize=memory -fsanitize-memory-track-origins
3567 add_ldflags -fsanitize=memory
3570 cc_default="${toolchain%-tsan}"
3571 add_cflags -fsanitize=thread -fPIE
3572 add_ldflags -fsanitize=thread -pie
3573 case "$toolchain" in
3581 cc_default="${toolchain%-usan}"
3582 add_cflags -fsanitize=undefined
3583 add_ldflags -fsanitize=undefined
3586 target_exec_default="valgrind"
3587 case "$toolchain" in
3589 target_exec_args="--tool=massif --alloc-fn=av_malloc --alloc-fn=av_mallocz --alloc-fn=av_calloc --alloc-fn=av_fast_padded_malloc --alloc-fn=av_fast_malloc --alloc-fn=av_realloc_f --alloc-fn=av_fast_realloc --alloc-fn=av_realloc"
3592 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
3597 # Check whether the current MSVC version needs the C99 converter.
3598 # From MSVC 2013 (compiler major version 18) onwards, it does actually
3599 # support enough of C99 to build ffmpeg. Default to the new
3600 # behaviour if the regexp was unable to match anything, since this
3601 # successfully parses the version number of existing supported
3602 # versions that require the converter (MSVC 2010 and 2012).
3603 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
3604 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
3607 cc_default="c99wrap cl"
3609 ld_default="$source_path/compat/windows/mslink"
3610 nm_default="dumpbin -symbols"
3617 target_os_default="win32"
3618 # Use a relative path for TMPDIR. This makes sure all the
3619 # ffconf temp files are written with a relative path, avoiding
3620 # issues with msys/win32 path conversion for MSVC parameters
3621 # such as -Fo<file> or -out:<file>.
3627 nm_default="dumpbin -symbols"
3629 target_os_default="win32"
3633 add_cflags -fprofile-arcs -ftest-coverage
3634 add_ldflags -fprofile-arcs -ftest-coverage
3637 add_cflags -fprofile-arcs -ftest-coverage
3638 add_ldflags --coverage
3641 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
3642 add_cflags -fno-strict-overflow -fstack-protector-all
3643 add_ldflags -Wl,-z,relro -Wl,-z,now
3645 add_ldexeflags -fPIE -pie
3648 die "Unknown toolchain $toolchain"
3652 test -n "$cross_prefix" && enable cross_compile
3654 if enabled cross_compile; then
3655 test -n "$arch" && test -n "$target_os" ||
3656 die "Must specify target arch and OS when cross-compiling"
3659 ar_default="${cross_prefix}${ar_default}"
3660 cc_default="${cross_prefix}${cc_default}"
3661 cxx_default="${cross_prefix}${cxx_default}"
3662 nm_default="${cross_prefix}${nm_default}"
3663 pkg_config_default="${cross_prefix}${pkg_config_default}"
3664 if ${cross_prefix}${ranlib_default} 2>&1 | grep -q "\-D "; then
3665 ranlib_default="${cross_prefix}${ranlib_default} -D"
3667 ranlib_default="${cross_prefix}${ranlib_default}"
3669 strip_default="${cross_prefix}${strip_default}"
3670 windres_default="${cross_prefix}${windres_default}"
3672 sysinclude_default="${sysroot}/usr/include"
3674 set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \
3675 target_exec target_os yasmexe
3676 enabled cross_compile || host_cc_default=$cc
3679 pkg_config_fail_message=""
3680 if ! $pkg_config --version >/dev/null 2>&1; then
3681 warn "$pkg_config not found, library detection may fail."
3683 elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then
3684 pkg_config_fail_message="
3685 Note: When building a static binary, add --pkg-config-flags=\"--static\"."
3688 if test $doxygen != $doxygen_default && \
3689 ! $doxygen --version >/dev/null 2>&1; then
3690 warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."
3695 mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
3699 EXESUF=$(exesuf $target_os)
3700 HOSTEXESUF=$(exesuf $host_os)
3702 # set temporary file name
3703 : ${TMPDIR:=$TEMPDIR}
3707 if [ -n "$tempprefix" ] ; then
3709 echo $tempprefix.${HOSTNAME}.${UID}
3711 elif ! check_cmd mktemp -u XXXXXX; then
3712 # simple replacement for missing mktemp
3713 # NOT SAFE FOR GENERAL USE
3715 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
3720 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
3721 (set -C; exec > $tmp) 2>/dev/null ||
3722 die "Unable to create temporary file in $TMPDIR."
3723 append TMPFILES $tmp
3727 trap 'rm -f -- $TMPFILES' EXIT
3732 tmpfile TMPE $EXESUF
3744 # make sure we can execute files in $TMPDIR
3745 cat > $TMPSH 2>> $logfile <<EOF
3748 chmod +x $TMPSH >> $logfile 2>&1
3749 if ! $TMPSH >> $logfile 2>&1; then
3751 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
3752 variable to another directory and make sure that it is not mounted noexec.
3754 die "Sanity test failed."
3760 # Filter out MSVC cl.exe options from cflags that shouldn't
3761 # be passed to gas-preprocessor
3771 -std=c99) echo -c99 ;;
3772 -mcpu=*) echo -arch ${flag#*=} ;;
3773 -mieee) echo -ieee ;;
3774 -O*|-fast) echo $flag ;;
3775 -fno-math-errno) echo -assume nomath_errno ;;
3777 -Wall) echo -msg_enable level2 ;;
3778 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
3779 -Wl,*) echo $flag ;;
3789 -Wno-switch) echo -Wno-switch-enum ;;
3790 -Wno-format-zero-length) ;;
3791 -Wdisabled-optimization) ;;
3792 -Wno-pointer-sign) echo -Wno-other ;;
3798 msvc_common_flags(){
3801 # In addition to specifying certain flags under the compiler
3802 # specific filters, they must be specified here as well or else the
3803 # generic catch all at the bottom will print the original flag.
3807 -fomit-frame-pointer) ;;
3811 -fno-signed-zeros) ;;
3815 -lz) echo zlib.lib ;;
3816 -lavifil32) echo vfw32.lib ;;
3817 -lavicap32) echo vfw32.lib user32.lib ;;
3818 -lx264) echo libx264.lib ;;
3819 -l*) echo ${flag#-l}.lib ;;
3820 -LARGEADDRESSAWARE) echo $flag ;;
3821 -L*) echo -libpath:${flag#-L} ;;
3828 msvc_common_flags "$@"
3831 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
3832 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
3833 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
3835 -wd4273 -wd4554 -wd4701 ;;
3841 msvc_common_flags "$@"
3844 # Despite what Intel's documentation says -Wall, which is supported
3845 # on Windows, does enable remarks so disable them here.
3846 -Wall) echo $flag -Qdiag-disable:remark ;;
3847 -std=c99) echo -Qstd=c99 ;;
3865 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
3866 -fomit-frame-pointer) echo -Mnoframe ;;
3877 case "${flag#*=}" in
3878 native) echo -xtarget=native ;;
3879 v9|niagara) echo -xarch=sparc ;;
3880 ultrasparc) echo -xarch=sparcvis ;;
3881 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
3882 i586|pentium) echo -xchip=pentium ;;
3883 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
3884 pentium3*|c3-2) echo -xtarget=pentium3 ;;
3885 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
3886 pentium4*) echo -xtarget=pentium4 ;;
3887 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
3888 *-sse3) echo -xarch=sse3 ;;
3889 core2) echo -xarch=ssse3 -xchip=core2 ;;
3890 bonnell) echo -xarch=ssse3 ;;
3891 corei7|nehalem) echo -xtarget=nehalem ;;
3892 westmere) echo -xtarget=westmere ;;
3893 silvermont) echo -xarch=sse4_2 ;;
3894 corei7-avx|sandybridge) echo -xtarget=sandybridge ;;
3895 core-avx*|ivybridge|haswell|broadwell|skylake*|knl)
3897 amdfam10|barcelona) echo -xtarget=barcelona ;;
3898 btver1) echo -xarch=amdsse4a ;;
3899 btver2|bdver*|znver*) echo -xarch=avx ;;
3900 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
3901 k8|opteron|athlon64|athlon-fx)
3902 echo -xarch=sse2a ;;
3903 athlon*) echo -xarch=pentium_proa ;;
3906 -std=c99) echo -xc99 ;;
3907 -fomit-frame-pointer) echo -xregs=frameptr ;;
3908 -fPIC) echo -KPIC -xcode=pic32 ;;
3909 -W*,*) echo $flag ;;
3910 -f*-*|-W*|-mimpure-text) ;;
3921 case "${flag#*=}" in
3922 armv7-a|cortex-a*) echo -mv=7a8 ;;
3923 armv7-r|cortex-r*) echo -mv=7r4 ;;
3924 armv7-m|cortex-m*) echo -mv=7m3 ;;
3925 armv6*|arm11*) echo -mv=6 ;;
3926 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
3928 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
3931 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
3932 -mfpu=vfp) echo --float_support=vfpv2 ;;
3933 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
3934 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
3935 -msoft-float) echo --float_support=vfplib ;;
3936 -O[0-3]|-mf=*) echo $flag ;;
3938 -pds=*) echo $flag ;;
3939 -D*|-I*) echo $flag ;;
3940 --gcc|--abi=*) echo $flag ;;
3951 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
3952 unset _ld_o _ldflags _ld_lib _ld_path
3953 unset _depflags _DEPCMD _DEPFLAGS
3956 if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
3957 true # no-op to avoid reading stdin in following checks
3958 elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
3960 gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')
3961 _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"
3962 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3965 elif $_cc -v 2>&1 | grep -qi ^gcc; then
3967 gcc_version=$($_cc --version | head -n1)
3968 gcc_basever=$($_cc -dumpversion)
3969 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
3970 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
3971 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
3972 case $gcc_basever in
3975 *) _depflags='-MMD -MF $(@:.o=.d) -MT $@' ;;
3977 if [ "$first" = true ]; then
3978 case $gcc_basever in
3980 warn "gcc 4.2 is outdated and may miscompile FFmpeg. Please use a newer compiler." ;;
3985 elif $_cc --version 2>/dev/null | grep -q ^icc; then
3987 _ident=$($_cc --version | head -n1)
3992 _flags_filter=icc_flags
3993 elif $_cc -v 2>&1 | grep -q xlc; then
3995 _ident=$($_cc -qversion 2>/dev/null | head -n1)
3997 _cflags_size='-O5 -qcompact'
3998 elif $_cc -V 2>/dev/null | grep -q Compaq; then
4000 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
4002 _cflags_speed='-fast'
4004 _flags_filter=ccc_flags
4005 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
4006 test -d "$sysroot" || die "No valid sysroot specified."
4008 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
4009 armcc_conf="$PWD/armcc.conf"
4010 $_cc --arm_linux_configure \
4011 --arm_linux_config_file="$armcc_conf" \
4012 --configure_sysroot="$sysroot" \
4013 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
4014 die "Error creating armcc configuration file."
4015 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
4016 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
4017 as_default="${cross_prefix}gcc"
4021 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
4023 _ident=$($_cc -version | head -n1 | tr -s ' ')
4024 _flags='--gcc --abi=eabi -me'
4027 _depflags='-ppa -ppd=$(@:.o=.d)'
4028 _cflags_speed='-O3 -mf=5'
4029 _cflags_size='-O3 -mf=2'
4030 _flags_filter=tms470_flags
4031 elif $_cc -v 2>&1 | grep -q clang; then
4033 _ident=$($_cc --version 2>/dev/null | head -n1)
4034 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4037 elif $_cc -V 2>&1 | grep -q Sun; then
4039 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
4040 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
4041 _DEPFLAGS='-xM1 -xc99'
4044 _cflags_size='-O5 -xspace'
4045 _flags_filter=suncc_flags
4046 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
4048 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
4049 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4052 _flags_filter='filter_out -Wdisabled-optimization'
4053 elif $_cc -v 2>&1 | grep -q Open64; then
4055 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
4056 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4059 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
4060 elif $_cc -V 2>&1 | grep -q Portland; then
4062 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
4063 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
4064 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
4065 _cflags_size="-O2 -Munroll=c:1 $opt_common"
4067 _flags_filter=pgi_flags
4068 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
4070 _ident=$($_cc | head -n1)
4071 # 4509: "This form of conditional instruction is deprecated"
4072 _flags="-nologo -ignore 4509"
4073 _flags_filter=armasm_flags
4074 elif $_cc 2>&1 | grep -q Intel; then
4076 _ident=$($_cc 2>&1 | head -n1)
4077 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
4078 # Not only is O3 broken on 13.x+ but it is slower on all previous
4079 # versions (tested) as well.
4081 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
4082 if $_cc 2>&1 | grep -q Linker; then
4089 _flags_filter=icl_flags
4091 _ld_path='-libpath:'
4092 # -Qdiag-error to make icl error when seeing certain unknown arguments
4093 _flags='-nologo -Qdiag-error:4044,10157'
4094 # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency
4095 # with MSVC which enables it by default.
4096 _cflags='-Qms0 -Qvec- -Qsimd- -GS -fp:precise'
4098 elif $_cc -? 2>/dev/null | grep -q 'LLVM.*Linker'; then
4099 # lld can emulate multiple different linkers; in ms link.exe mode,
4100 # the -? parameter gives the help output which contains an identifyable
4101 # string, while it gives an error in other modes.
4103 # The link.exe mode doesn't have a switch for getting the version,
4104 # but we can force it back to gnu mode and get the version from there.
4105 _ident=$($_cc -flavor gnu --version)
4107 _flags_filter=msvc_flags
4109 _ld_path='-libpath:'
4110 elif $_cc -nologo- 2>&1 | grep -q Microsoft; then
4112 _ident=$($_cc 2>&1 | head -n1)
4113 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
4114 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
4117 if $_cc -nologo- 2>&1 | grep -q Linker; then
4124 _flags_filter=msvc_flags
4126 _ld_path='-libpath:'
4129 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
4131 _ident=$($_cc --version | head -n1)
4135 _flags_filter=cparser_flags
4138 eval ${pfx}_type=\$_type
4139 eval ${pfx}_ident=\$_ident
4143 eval ${1}_C=\${_cc_c-\${${1}_C}}
4144 eval ${1}_E=\${_cc_e-\${${1}_E}}
4145 eval ${1}_O=\${_cc_o-\${${1}_O}}
4147 if [ -n "$_depflags" ]; then
4148 eval ${1}_DEPFLAGS=\$_depflags
4150 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
4151 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
4152 eval DEP${1}FLAGS=\$_flags
4156 probe_cc cc "$cc" "true"
4157 cflags_filter=$_flags_filter
4158 cflags_speed=$_cflags_speed
4159 cflags_size=$_cflags_size
4160 cflags_noopt=$_cflags_noopt
4161 add_cflags $_flags $_cflags
4162 cc_ldflags=$_ldflags
4165 probe_cc hostcc "$host_cc"
4166 host_cflags_filter=$_flags_filter
4167 add_host_cflags $_flags $_cflags
4170 test -n "$cc_type" && enable $cc_type ||
4171 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
4173 : ${as_default:=$cc}
4174 : ${objcc_default:=$cc}
4175 : ${dep_cc_default:=$cc}
4176 : ${ld_default:=$cc}
4177 : ${host_ld_default:=$host_cc}
4178 set_default ar as objcc dep_cc ld ln_s host_ld windres
4181 asflags_filter=$_flags_filter
4182 add_asflags $_flags $_cflags
4185 probe_cc objcc "$objcc"
4186 objcflags_filter=$_flags_filter
4187 add_objcflags $_flags $_cflags
4191 ldflags_filter=$_flags_filter
4192 add_ldflags $_flags $_ldflags
4193 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
4195 LD_LIB=${_ld_lib-$LD_LIB}
4196 LD_PATH=${_ld_path-$LD_PATH}
4198 probe_cc hostld "$host_ld"
4199 host_ldflags_filter=$_flags_filter
4200 add_host_ldflags $_flags $_ldflags
4201 HOSTLD_O=${_ld_o-$HOSTLD_O}
4203 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
4204 probe_cc depcc "$dep_cc"
4205 CCDEP=${_DEPCMD:-$DEPCMD}
4206 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
4210 if $ar 2>&1 | grep -q Microsoft; then
4213 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
4216 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
4217 arflags='-Xany -r -c'
4219 elif $ar 2>&1 | grep -q "\[D\] "; then
4227 add_cflags $extra_cflags
4228 add_cxxflags $extra_cxxflags
4229 add_objcflags $extra_objcflags
4230 add_asflags $extra_cflags
4232 if test -n "$sysroot"; then
4235 add_cppflags --sysroot="$sysroot"
4236 add_ldflags --sysroot="$sysroot"
4237 # On Darwin --sysroot may be ignored, -isysroot always affects headers and linking
4238 add_cppflags -isysroot "$sysroot"
4239 add_ldflags -isysroot "$sysroot"
4242 add_cppflags -I"$sysinclude"
4243 add_ldflags --sysroot="$sysroot"
4248 if test "$cpu" = host; then
4249 enabled cross_compile &&
4250 die "--cpu=host makes no sense when cross-compiling."
4255 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
4257 s/.*$1=\\([^ ]*\\).*/\\1/
4262 cpu=$(check_native -march || check_native -mcpu)
4266 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
4267 sed -n "/cc1.*-target-cpu /{
4268 s/.*-target-cpu \\([^ ]*\\).*/\\1/
4273 cpu=$(check_native -march)
4277 test "${cpu:-host}" = host &&
4278 die "--cpu=host not supported with compiler $cc"
4281 # Deal with common $arch aliases
4305 "Power Macintosh"|ppc*|powerpc*)
4320 i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
4325 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
4328 # Add processor-specific flags
4329 if enabled aarch64; then
4333 cpuflags="-march=$cpu"
4336 cpuflags="-mcpu=$cpu"
4340 elif enabled alpha; then
4342 cpuflags="-mcpu=$cpu"
4344 elif enabled arm; then
4347 check_cpp_condition stddef.h \
4348 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
4353 if check_arm_arch 4; then echo armv4
4354 elif check_arm_arch 4T; then echo armv4t
4355 elif check_arm_arch 5; then echo armv5
4356 elif check_arm_arch 5E; then echo armv5e
4357 elif check_arm_arch 5T; then echo armv5t
4358 elif check_arm_arch 5TE; then echo armv5te
4359 elif check_arm_arch 5TEJ; then echo armv5te
4360 elif check_arm_arch 6; then echo armv6
4361 elif check_arm_arch 6J; then echo armv6j
4362 elif check_arm_arch 6K; then echo armv6k
4363 elif check_arm_arch 6Z; then echo armv6z
4364 elif check_arm_arch 6ZK; then echo armv6zk
4365 elif check_arm_arch 6T2; then echo armv6t2
4366 elif check_arm_arch 7; then echo armv7
4367 elif check_arm_arch 7A 7_A; then echo armv7-a
4368 elif check_arm_arch 7S; then echo armv7-a
4369 elif check_arm_arch 7R 7_R; then echo armv7-r
4370 elif check_arm_arch 7M 7_M; then echo armv7-m
4371 elif check_arm_arch 7EM 7E_M; then echo armv7-m
4372 elif check_arm_arch 8A 8_A; then echo armv8-a
4376 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
4380 cpuflags="-march=$cpu"
4381 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
4384 cpuflags="-mcpu=$cpu"
4386 cortex-a*) subarch=armv7a ;;
4387 cortex-r*) subarch=armv7r ;;
4388 cortex-m*) enable thumb; subarch=armv7m ;;
4389 arm11*) subarch=armv6 ;;
4390 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
4391 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
4392 *) subarch=$(probe_arm_arch) ;;
4398 armv5t*) enable fast_clz ;;
4401 disabled fast_unaligned || enable fast_unaligned
4405 elif enabled avr32; then
4410 cpuflags="-mpart=$cpu"
4414 cpuflags="-march=$cpu"
4418 cpuflags="-mcpu=$cpu"
4422 cpuflags="-march=$cpu"
4426 elif enabled bfin; then
4428 cpuflags="-mcpu=$cpu"
4430 elif enabled mips; then
4432 cpuflags="-march=$cpu"
4434 if [ "$cpu" != "generic" ]; then
4444 24kc|24kf*|24kec|34kc|1004kc|24kef*|34kf*|1004kf*|74kc|74kf)
4455 enable local_aligned_8 local_aligned_16 local_aligned_32
4456 enable simd_align_16
4460 enable fast_unaligned
4461 disable aligned_stack
4467 cpuflags="-march=loongson3a -mhard-float -fno-expensive-optimizations"
4470 cpuflags="-march=loongson2e -mhard-float -fno-expensive-optimizations"
4473 cpuflags="-march=loongson2f -mhard-float -fno-expensive-optimizations"
4478 # Unknown CPU. Disable everything.
4479 warn "unknown CPU. Disabling all MIPS optimizations."
4502 24kef*|34kf*|1004kf*)
4510 check_cflags "-mtune=p5600" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops"
4514 check_cflags "-mtune=i6400 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64"
4518 check_cflags "-mtune=p6600 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64"
4522 # We do not disable anything. Is up to the user to disable the unwanted features.
4523 warn 'generic cpu selected'
4526 elif enabled ppc; then
4530 case $(tolower $cpu) in
4531 601|ppc601|powerpc601)
4532 cpuflags="-mcpu=601"
4535 603*|ppc603*|powerpc603*)
4536 cpuflags="-mcpu=603"
4539 604*|ppc604*|powerpc604*)
4540 cpuflags="-mcpu=604"
4543 g3|75*|ppc75*|powerpc75*)
4544 cpuflags="-mcpu=750"
4547 g4|745*|ppc745*|powerpc745*)
4548 cpuflags="-mcpu=7450"
4551 74*|ppc74*|powerpc74*)
4552 cpuflags="-mcpu=7400"
4555 g5|970|ppc970|powerpc970)
4556 cpuflags="-mcpu=970"
4560 cpuflags="-mcpu=$cpu"
4564 cpuflags="-mcpu=$cpu"
4567 cpuflags="-mcpu=cell"
4572 cpuflags="-mcpu=e500mc"
4576 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
4581 cpuflags="-mcpu=8540 -mhard-float"
4587 elif enabled sparc; then
4590 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
4591 cpuflags="-mcpu=$cpu"
4593 ultrasparc*|niagara[234])
4594 cpuflags="-mcpu=$cpu"
4598 elif enabled x86; then
4602 cpuflags="-march=$cpu"
4606 # targets that do NOT support nopl and conditional mov (cmov)
4607 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
4608 cpuflags="-march=$cpu"
4611 # targets that do support nopl and conditional mov (cmov)
4612 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\
4613 |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|skylake*|knl\
4614 |amdfam10|barcelona|b[dt]ver*|znver*)
4615 cpuflags="-march=$cpu"
4619 # targets that do support conditional mov but on which it's slow
4620 pentium4|pentium4m|prescott|nocona)
4621 cpuflags="-march=$cpu"
4629 if [ "$cpu" != generic ]; then
4630 add_cflags $cpuflags
4631 add_asflags $cpuflags
4632 test "$cc_type" = "$ld_type" && add_ldflags $cpuflags
4635 # compiler sanity check
4637 int main(void){ return 0; }
4639 if test "$?" != 0; then
4640 echo "$cc is unable to create an executable file."
4641 if test -z "$cross_prefix" && ! enabled cross_compile ; then
4642 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
4643 echo "Only do this if you know what cross compiling means."
4645 die "C compiler test failed."
4648 add_cppflags -D_ISOC99_SOURCE
4649 add_cxxflags -D__STDC_CONSTANT_MACROS
4650 add_cxxflags -std=c++98
4652 # some compilers silently accept -std=c11, so we also need to check that the
4653 # version macro is defined properly
4654 if test_cflags_cc -std=c11 ctype.h "__STDC_VERSION__ >= 201112L"; then
4657 check_cflags -std=c99
4660 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
4663 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
4667 add_host_cppflags -D_ISOC99_SOURCE
4668 check_host_cflags -std=c99
4669 check_host_cflags -Wall
4670 check_host_cflags -O3
4676 check_code cc "" "int test[2*($expr) - 1]" &&
4677 subarch=$arch64 || subarch=$arch32
4685 check_64bit mips mips64 '_MIPS_SIM > 1'
4689 check_64bit parisc parisc64 'sizeof(void *) > 4'
4693 check_64bit ppc ppc64 'sizeof(void *) > 4'
4697 check_64bit s390 s390x 'sizeof(void *) > 4'
4701 check_64bit sparc sparc64 'sizeof(void *) > 4'
4705 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
4706 # Treat x32 as x64 for now. Note it also needs spic=$shared
4707 test "$subarch" = "x86_32" && check_cpp_condition stddef.h 'defined(__x86_64__)' &&
4709 if test "$subarch" = "x86_64"; then
4714 check_cc <<EOF && subarch="ppc64"
4715 int test[(int)sizeof(char*) - 7];
4721 enabled spic && enable_weak pic
4727 add_cppflags '-I\$(SRC_PATH)/compat/aix'
4728 enabled shared && add_ldflags -Wl,-brtl
4732 enable section_data_rel_ro
4733 SLIB_INSTALL_NAME='$(SLIBNAME)'
4735 SHFLAGS='-shared -Wl,-soname,$(SLIBNAME)'
4738 prefix_default="/boot/common"
4739 network_extralibs="-lnetwork"
4743 SHFLAGS='-shared -Wl,-h,$$(@F)'
4744 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
4745 network_extralibs="-lsocket -lnsl"
4746 add_cppflags -D__EXTENSIONS__
4747 # When using suncc to build, the Solaris linker will mark
4748 # an executable with each instruction set encountered by
4749 # the Solaris assembler. As our libraries contain their own
4750 # guards for processor-specific code, instead suppress
4751 # generation of the HWCAPS ELF section on Solaris x86 only.
4752 enabled_all suncc x86 &&
4753 echo "hwcap_1 = OVERRIDE;" > mapfile &&
4754 add_ldflags -Wl,-M,mapfile
4755 nm_default='nm -P -g'
4757 VERSION_SCRIPT_POSTPROCESS_CMD='perl $(SRC_PATH)/compat/solaris/make_sunver.pl - $(OBJS)'
4761 oss_indev_extralibs="-lossaudio"
4762 oss_outdev_extralibs="-lossaudio"
4763 enabled gcc || check_ldflags -Wl,-zmuldefs
4768 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
4770 oss_indev_extralibs="-lossaudio"
4771 oss_outdev_extralibs="-lossaudio"
4779 add_extralibs -lpoll -lgnugetopt
4783 enabled ppc && add_asflags -force_cpusubtype_ALL
4784 install_name_dir_default='$(SHLIBDIR)'
4785 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(INSTALL_NAME_DIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
4786 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
4788 add_ldflags -Wl,-dynamic,-search_paths_first
4790 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
4791 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
4793 enabled x86_64 && objformat="macho64"
4794 enabled_any pic shared x86_64 ||
4795 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
4796 check_header dispatch/dispatch.h &&
4797 add_cppflags '-I\$(SRC_PATH)/compat/dispatch_semaphore'
4798 version_script='-exported_symbols_list'
4799 VERSION_SCRIPT_POSTPROCESS_CMD='tr " " "\n" | sed -n /global:/,/local:/p | grep ";" | tr ";" "\n" | sed -E "s/(.+)/_\1/g" | sed -E "s/(.+[^*])$$$$/\1*/"'
4802 die "Native MSYS builds are discouraged, please use the MINGW environment."
4805 if test $target_os = "mingw32ce"; then
4810 decklink_outdev_extralibs="$decklink_outdev_extralibs -lole32 -loleaut32"
4811 decklink_indev_extralibs="$decklink_indev_extralibs -lole32 -loleaut32"
4813 if enabled x86_64; then
4814 LIBTARGET="i386:x86-64"
4815 elif enabled arm; then
4818 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
4819 enabled x86_32 && check_ldflags -Wl,--large-address-aware
4820 shlibdir_default="$bindir_default"
4823 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4824 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4825 dlltool="${cross_prefix}dlltool"
4826 if check_cmd lib.exe -list; then
4827 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe -nologo -machine:$(LIBTARGET) -def:$$(@:$(SLIBSUF)=.def) -out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4828 if enabled x86_64; then
4831 elif check_cmd $dlltool --version; then
4832 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
4834 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4836 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4837 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4838 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--disable-auto-image-base'
4842 check_ldflags -Wl,--nxcompat,--dynamicbase
4843 # Lets work around some stupidity in binutils.
4844 # ld will strip relocations from executables even though we need them
4845 # for dynamicbase (ASLR). Using -pie does retain the reloc section
4846 # however ld then forgets what the entry point should be (oops) so we
4847 # have to manually (re)set it.
4848 if enabled x86_32; then
4849 disabled debug && add_ldexeflags -Wl,--pic-executable,-e,_mainCRTStartup
4850 elif enabled x86_64; then
4851 disabled debug && add_ldexeflags -Wl,--pic-executable,-e,mainCRTStartup
4852 check_ldflags -Wl,--high-entropy-va # binutils 2.25
4853 # Set image base >4GB for extra entropy with HEASLR
4854 add_ldexeflags -Wl,--image-base,0x140000000
4855 append SHFLAGS -Wl,--image-base,0x180000000
4860 if enabled shared; then
4861 # Link to the import library instead of the normal static library
4864 # Cannot build both shared and static libs with MSVC or icl.
4867 enabled x86_32 && check_ldflags -LARGEADDRESSAWARE
4868 shlibdir_default="$bindir_default"
4871 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4872 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4873 SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
4874 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4876 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4877 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4878 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4885 shlibdir_default="$bindir_default"
4888 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4889 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4890 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4892 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
4893 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
4896 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
4897 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4899 *-dos|freedos|opendos)
4900 network_extralibs="-lsocket"
4903 add_cppflags -U__STRICT_ANSI__
4907 enable section_data_rel_ro
4911 ranlib="echo ignoring ranlib"
4916 add_cppflags -D_GNU_SOURCE
4917 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
4918 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
4922 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4923 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(FULLNAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
4924 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(FULLNAME).def; \
4925 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(FULLNAME).def; \
4926 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(FULLNAME).def; \
4927 echo EXPORTS >> $(SUBDIR)$(FULLNAME).def; \
4928 emxexp $(OBJS) >> $(SUBDIR)$(FULLNAME).def'
4929 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(FULLNAME)_dll.a $(SUBDIR)$(FULLNAME).def; \
4930 emximp -o $(SUBDIR)$(LIBPREF)$(FULLNAME)_dll.lib $(SUBDIR)$(FULLNAME).def;'
4931 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4933 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(FULLNAME)_dll.a $(LIBPREF)$(FULLNAME)_dll.lib'
4935 enable_weak os2threads
4938 add_cppflags -D_BSD_SOURCE
4943 add_cppflags -D_QNX_SOURCE
4944 network_extralibs="-lsocket"
4949 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
4950 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
4951 add_ldflags -Wl,--target1-abs,--no-undefined \
4952 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
4953 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
4954 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
4955 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
4956 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
4959 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
4964 add_cppflags -D_C99_SNPRINTF_EXTENSION \
4965 -D_REENTRANT_SOURCE \
4966 -D_RESEARCH_SOURCE \
4969 add_compat strtod.o strtod=avpriv_strtod
4970 network_extralibs='-lbsd'
4971 exeobjs=compat/plan9/main.o
4978 die "Unknown OS '$target_os'."
4982 # test if creating links works
4983 link_dest=$(mktemp -u $TMPDIR/dest_XXXXXXXX)
4984 link_name=$(mktemp -u $TMPDIR/name_XXXXXXXX)
4986 $ln_s "$link_dest" "$link_name"
4987 touch "$link_dest/test_file"
4988 if [ "$source_path" != "." ] && ([ ! -d src ] || [ -L src ]) && [ -e "$link_name/test_file" ]; then
4989 # create link to source path
4990 [ -e src ] && rm src
4991 $ln_s "$source_path" src
4994 # creating directory links doesn't work
4995 # fall back to using the full source path
4996 source_link="$source_path"
5002 # determine libc flavour
5007 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
5008 if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
5009 eval ${pfx}libc_type=uclibc
5010 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
5011 elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then
5012 eval ${pfx}libc_type=glibc
5013 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
5014 # MinGW headers can be installed on Cygwin, so check for newlib first.
5015 elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
5016 eval ${pfx}libc_type=newlib
5017 add_${pfx}cppflags -U__STRICT_ANSI__
5018 # MinGW64 is backwards compatible with MinGW32, so check for it first.
5019 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
5020 eval ${pfx}libc_type=mingw64
5021 if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then
5022 add_compat msvcrt/snprintf.o
5023 add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
5025 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
5026 eval test \$${pfx_no_}cc_type = "gcc" &&
5027 add_${pfx}cppflags -D__printf__=__gnu_printf__
5028 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" ||
5029 check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
5030 eval ${pfx}libc_type=mingw32
5031 check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
5032 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
5033 die "ERROR: MinGW32 runtime version must be >= 3.15."
5034 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
5035 check_${pfx}cpp_condition _mingw.h "defined(_WIN32_WINNT) && _WIN32_WINNT >= 0x0502" ||
5036 add_${pfx}cppflags -D_WIN32_WINNT=0x0502
5037 check_${pfx}cpp_condition _mingw.h "__MSVCRT_VERSION__ < 0x0700__" &&
5038 add_${pfx}cppflags -D__MSVCRT_VERSION__=0x0700
5039 eval test \$${pfx_no_}cc_type = "gcc" &&
5040 add_${pfx}cppflags -D__printf__=__gnu_printf__
5041 elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
5042 eval ${pfx}libc_type=msvcrt
5043 if check_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then
5044 if [ "$pfx" = host_ ]; then
5045 add_host_cppflags -Dsnprintf=_snprintf
5047 add_compat strtod.o strtod=avpriv_strtod
5048 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
5049 _snprintf=avpriv_snprintf \
5050 vsnprintf=avpriv_vsnprintf
5053 add_${pfx}cppflags -D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS
5054 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
5055 # 0x601 by default unless something else is set by the user.
5056 # This can easily lead to us detecting functions only present
5057 # in such new versions and producing binaries requiring windows 7.0.
5058 # Therefore explicitly set the default to XP unless the user has
5059 # set something else on the command line.
5060 # Don't do this if WINAPI_FAMILY is set and is set to a non-desktop
5061 # family. For these cases, configure is free to use any functions
5062 # found in the SDK headers by default. (Alternatively, we could force
5063 # _WIN32_WINNT to 0x0602 in that case.)
5064 check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||
5065 { check_${pfx}cpp <<EOF && add_${pfx}cppflags -D_WIN32_WINNT=0x0502; }
5066 #ifdef WINAPI_FAMILY
5067 #include <winapifamily.h>
5068 #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
5073 if [ "$pfx" = "" ]; then
5074 check_func strtoll || add_cflags -Dstrtoll=_strtoi64
5075 check_func strtoull || add_cflags -Dstrtoull=_strtoui64
5077 elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
5078 eval ${pfx}libc_type=klibc
5079 elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then
5080 eval ${pfx}libc_type=bionic
5081 elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then
5082 eval ${pfx}libc_type=solaris
5083 add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
5085 check_${pfx}cc <<EOF
5087 void *v = localtime_r;
5089 test "$?" != 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
5091 void *v = localtime_r;
5097 test -n "$libc_type" && enable libc_$libc_type
5099 test -n "$host_libc_type" && enable host_libc_$host_libc_type
5103 add_compat strtod.o strtod=avpriv_strtod
5107 # hacks for compiler/libc/os combinations
5109 if enabled_all tms470 libc_glibc; then
5110 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
5111 add_cppflags -D__USER_LABEL_PREFIX__=
5112 add_cppflags -D__builtin_memset=memset
5113 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
5114 add_cflags -pds=48 # incompatible redefinition of macro
5117 if enabled_all ccc libc_glibc; then
5118 add_ldflags -Wl,-z,now # calls to libots crash without this
5121 check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||
5122 add_cppflags '-I\$(SRC_PATH)/compat/float'
5125 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
5128 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
5130 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
5133 : ${shlibdir_default:="$libdir"}
5134 : ${pkgconfigdir_default:="$libdir/pkgconfig"}
5136 set_default $PATHS_LIST
5139 # we need to build at least one lib type
5140 if ! enabled_any static shared; then
5142 At least one library type must be built.
5143 Specify --enable-static to build the static libraries or --enable-shared to
5144 build the shared libraries as well. To only build the shared libraries specify
5145 --disable-static in addition to --enable-shared.
5150 die_license_disabled() {
5151 enabled $1 || { enabled $v && die "$v is $1 and --enable-$1 is not specified."; }
5154 die_license_disabled_gpl() {
5155 enabled $1 || { enabled $v && die "$v is incompatible with the gpl and --enable-$1 is not specified."; }
5158 map "die_license_disabled gpl" $EXTERNAL_LIBRARY_GPL_LIST $EXTERNAL_LIBRARY_GPLV3_LIST
5159 map "die_license_disabled version3" $EXTERNAL_LIBRARY_VERSION3_LIST $EXTERNAL_LIBRARY_GPLV3_LIST
5161 enabled gpl && map "die_license_disabled_gpl nonfree" $EXTERNAL_LIBRARY_NONFREE_LIST
5162 map "die_license_disabled nonfree" $HWACCEL_LIBRARY_NONFREE_LIST
5164 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
5166 disabled optimizations || check_cflags -fomit-frame-pointer
5169 disabled pic && return
5172 case "$target_os" in
5182 enabled pic && enable_weak_pic
5184 check_cc <<EOF || die "Symbol mangling check failed."
5187 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
5188 extern_prefix=${sym%%ff_extern*}
5190 check_cc <<EOF && enable_weak inline_asm
5191 void foo(void) { __asm__ volatile ("" ::); }
5195 for restrict_keyword in restrict __restrict__ __restrict; do
5196 check_cc <<EOF && _restrict=$restrict_keyword && break
5197 void foo(char * $restrict_keyword p);
5201 check_cc <<EOF && enable pragma_deprecated
5202 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
5205 check_cc <<EOF && enable attribute_packed
5206 struct { int x; } __attribute__((packed)) x;
5209 check_cc <<EOF && enable attribute_may_alias
5210 union { int x; } __attribute__((may_alias)) x;
5213 check_cc <<EOF || die "endian test failed"
5214 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
5216 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
5218 if ! enabled ppc64 || enabled bigendian; then
5223 log "check_gas using '$as' as AS"
5224 # :vararg is used on aarch64, arm and ppc altivec
5225 check_as <<EOF || return 1
5226 .macro m n, y:vararg=0
5231 # .altmacro is only used in arm asm
5232 ! enabled arm || check_as <<EOF || return 1
5239 if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then
5241 enabled_any arm aarch64 && nogas=die
5242 enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn
5246 arm*) gaspp_as_type=armasm; as_noop=-h ;;
5247 gcc) gaspp_as_type=gas ;;
5248 *) gaspp_as_type=$as_type ;;
5251 [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"
5253 test "${as#*gas-preprocessor.pl}" != "$as" ||
5254 check_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- ${as:=$cc} $as_noop &&
5255 gas="${gas:=gas-preprocessor.pl} -arch $arch -as-type $gaspp_as_type -- ${as:=$cc}"
5257 if ! check_gas ; then
5260 $nogas "GNU assembler not found, install/update gas-preprocessor"
5263 check_as <<EOF && enable as_func
5269 check_inline_asm inline_asm_labels '"1:\n"'
5271 check_inline_asm inline_asm_nonlocal_labels '"Label:\n"'
5273 if enabled aarch64; then
5274 enabled armv8 && check_insn armv8 'prfm pldl1strm, [x0]'
5275 # internal assembler in clang 3.3 does not support this instruction
5276 enabled neon && check_insn neon 'ext v0.8B, v0.8B, v1.8B, #1'
5277 enabled vfp && check_insn vfp 'fmadd d0, d0, d1, d2'
5279 map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM
5281 elif enabled alpha; then
5285 elif enabled arm; then
5287 enabled msvc && check_cpp_condition stddef.h "defined _M_ARMT" && enable thumb
5289 check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb
5290 float func(float a, float b){ return a+b; }
5293 enabled thumb && check_cflags -mthumb || check_cflags -marm
5295 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
5297 elif check_cpp_condition stddef.h "defined _M_ARM_FP && _M_ARM_FP >= 30"; then
5299 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__" && [ $target_os != darwin ]; then
5300 case "${cross_prefix:-$cc}" in
5301 *hardfloat*) enable vfp_args; fpabi=vfp ;;
5302 *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
5303 __asm__ (".eabi_attribute 28, 1");
5304 int main(void) { return 0; }
5307 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
5310 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
5311 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
5312 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
5313 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
5314 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
5315 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
5316 enabled setend && check_insn setend 'setend be'
5318 [ $target_os = linux ] || [ $target_os = android ] ||
5319 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
5322 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
5324 check_as <<EOF && enable as_dn_directive
5328 check_as <<EOF && enable as_fpu_directive
5332 # llvm's integrated assembler supports .object_arch from llvm 3.5
5333 [ "$objformat" = elf ] && check_as <<EOF && enable as_object_arch
5337 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
5339 elif enabled mips; then
5341 enabled loongson2 && check_inline_asm loongson2 '"dmult.g $8, $9, $10"'
5342 enabled loongson3 && check_inline_asm loongson3 '"gsldxc1 $f0, 0($2, $3)"'
5343 enabled mmi && check_inline_asm mmi '"punpcklhw $f0, $f0, $f0"'
5345 # Enable minimum ISA based on selected options
5346 if enabled mips64; then
5347 enabled mips64r6 && check_inline_asm_flags mips64r6 '"dlsa $0, $0, $0, 1"' '-mips64r6'
5348 enabled mips64r2 && check_inline_asm_flags mips64r2 '"dext $0, $0, 0, 1"' '-mips64r2'
5349 disabled mips64r6 && disabled mips64r2 && check_inline_asm_flags mips64r1 '"daddi $0, $0, 0"' '-mips64'
5351 enabled mips32r6 && check_inline_asm_flags mips32r6 '"aui $0, $0, 0"' '-mips32r6'
5352 enabled mips32r5 && check_inline_asm_flags mips32r5 '"eretnc"' '-mips32r5'
5353 enabled mips32r2 && check_inline_asm_flags mips32r2 '"ext $0, $0, 0, 1"' '-mips32r2'
5354 disabled mips32r6 && disabled mips32r5 && disabled mips32r2 && check_inline_asm_flags mips32r1 '"addi $0, $0, 0"' '-mips32'
5357 enabled mipsfpu && check_inline_asm_flags mipsfpu '"cvt.d.l $f0, $f2"' '-mhard-float'
5358 enabled mipsfpu && (enabled mips32r5 || enabled mips32r6 || enabled mips64r6) && check_inline_asm_flags mipsfpu '"cvt.d.l $f0, $f1"' '-mfp64'
5359 enabled mipsfpu && enabled msa && check_inline_asm_flags msa '"addvi.b $w0, $w1, 1"' '-mmsa' && check_header msa.h || disable msa
5360 enabled mipsdsp && check_inline_asm_flags mipsdsp '"addu.qb $t0, $t1, $t2"' '-mdsp'
5361 enabled mipsdspr2 && check_inline_asm_flags mipsdspr2 '"absq_s.qb $t0, $t1"' '-mdspr2'
5363 elif enabled parisc; then
5365 if enabled gcc; then
5366 case $($cc -dumpversion) in
5367 4.[3-9].*) check_cflags -fno-optimize-sibling-calls ;;
5371 elif enabled ppc; then
5373 enable local_aligned_8 local_aligned_16 local_aligned_32
5375 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
5376 check_inline_asm ibm_asm '"add 0, 0, 0"'
5377 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
5378 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
5380 # AltiVec flags: The FSF version of GCC differs from the Apple version
5381 if enabled altivec; then
5382 check_cflags -maltivec -mabi=altivec &&
5383 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
5384 check_cflags -faltivec
5386 # check if our compiler supports Motorola AltiVec C API
5387 check_cc <<EOF || disable altivec
5390 vector signed int v1 = (vector signed int) { 0 };
5391 vector signed int v2 = (vector signed int) { 1 };
5392 v1 = vec_add(v1, v2);
5397 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
5400 if enabled vsx; then
5401 check_cflags -mvsx &&
5402 check_builtin vec_vsx_ld "altivec.h" "__builtin_vec_vsx_ld" || disable vsx
5405 if enabled power8; then
5406 check_cpp_condition "altivec.h" "defined(_ARCH_PWR8)" || disable power8
5409 elif enabled x86; then
5411 check_builtin rdtsc intrin.h "__rdtsc()"
5412 check_builtin mm_empty mmintrin.h "_mm_empty()"
5414 enable local_aligned_8 local_aligned_16 local_aligned_32
5416 # check whether EBP is available on x86
5417 # As 'i' is stored on the stack, this program will crash
5418 # if the base pointer is used to access it because the
5419 # base pointer is cleared in the inline assembly code.
5420 check_exec_crash <<EOF && enable ebp_available
5422 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
5426 # check whether EBX is available on x86
5427 check_inline_asm ebx_available '""::"b"(0)' &&
5428 check_inline_asm ebx_available '"":::"%ebx"'
5430 # check whether xmm clobbers are supported
5431 check_inline_asm xmm_clobbers '"":::"%xmm0"'
5433 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' ||
5434 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"'
5436 # check whether binutils is new enough to compile SSSE3/MMXEXT
5437 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
5438 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
5440 if ! disabled_any asm mmx yasm; then
5441 if check_cmd $yasmexe --version; then
5442 enabled x86_64 && yasm_extra="-m amd64"
5443 yasm_debug="-g dwarf2"
5444 elif check_cmd nasm -v; then
5446 yasm_debug="-g -F dwarf"
5447 if enabled x86_64; then
5448 case "$objformat" in
5449 elf) objformat=elf64 ;;
5450 win32) objformat=win64 ;;
5455 YASMFLAGS="-f $objformat $yasm_extra"
5456 enabled pic && append YASMFLAGS "-DPIC"
5457 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
5458 case "$objformat" in
5459 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
5462 check_yasm "movbe ecx, [5]" && enable yasm ||
5463 die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."
5464 check_yasm "vextracti128 xmm0, ymm0, 0" || disable avx2_external
5465 check_yasm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external
5466 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
5467 check_yasm "CPU amdnop" || disable cpunop
5471 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
5478 check_code cc arm_neon.h "int16x8_t test = vdupq_n_s16(0)" && enable intrinsics_neon
5480 check_ldflags -Wl,--as-needed
5481 check_ldflags -Wl,-z,noexecstack
5483 if check_func dlopen && check_func dlsym; then
5485 elif check_func dlopen -ldl && check_func dlsym -ldl; then
5489 avisynth_demuxer_extralibs='$ldl'
5490 cuda_extralibs='$ldl'
5491 decklink_outdev_extralibs="$decklink_outdev_extralibs $ldl"
5492 decklink_indev_extralibs="$decklink_indev_extralibs $ldl"
5493 frei0r_filter_extralibs='$ldl'
5494 frei0r_src_filter_extralibs='$ldl'
5495 ladspa_filter_extralibs='$ldl'
5496 nvenc_extralibs='$ldl'
5497 coreimage_filter_extralibs="-framework QuartzCore -framework AppKit -framework OpenGL"
5498 coreimagesrc_filter_extralibs="-framework QuartzCore -framework AppKit -framework OpenGL"
5500 if ! disabled network; then
5501 check_func getaddrinfo $network_extralibs
5502 check_func inet_aton $network_extralibs
5504 check_type netdb.h "struct addrinfo"
5505 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
5506 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
5507 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
5508 check_type poll.h "struct pollfd"
5509 check_type netinet/sctp.h "struct sctp_event_subscribe"
5510 check_struct "sys/socket.h" "struct msghdr" msg_flags
5511 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
5512 check_type netinet/in.h "struct sockaddr_in6"
5513 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
5514 check_type "sys/types.h sys/socket.h" socklen_t
5516 # Prefer arpa/inet.h over winsock2
5517 if check_header arpa/inet.h ; then
5518 check_func closesocket
5519 elif check_header winsock2.h ; then
5520 check_func_headers winsock2.h closesocket -lws2 &&
5521 network_extralibs="-lws2" ||
5522 { check_func_headers winsock2.h closesocket -lws2_32 &&
5523 network_extralibs="-lws2_32"; } || disable winsock2_h network
5524 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
5526 check_type ws2tcpip.h socklen_t
5527 check_type ws2tcpip.h "struct addrinfo"
5528 check_type ws2tcpip.h "struct group_source_req"
5529 check_type ws2tcpip.h "struct ip_mreq_source"
5530 check_type ws2tcpip.h "struct ipv6_mreq"
5531 check_type winsock2.h "struct pollfd"
5532 check_struct winsock2.h "struct sockaddr" sa_len
5533 check_type ws2tcpip.h "struct sockaddr_in6"
5534 check_type ws2tcpip.h "struct sockaddr_storage"
5540 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
5541 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
5542 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
5543 check_builtin sarestart signal.h "SA_RESTART"
5544 check_builtin sem_timedwait semaphore.h "sem_t *s; sem_init(s,0,0); sem_timedwait(s,0); sem_destroy(s)" -lpthread
5545 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
5546 check_builtin gmtime_r time.h "time_t *time; struct tm *tm; gmtime_r(time, tm)"
5547 check_builtin localtime_r time.h "time_t *time; struct tm *tm; localtime_r(time, tm)"
5548 check_builtin x264_csp_bgr "stdint.h x264.h" "X264_CSP_BGR"
5550 case "$custom_allocator" in
5552 # jemalloc by default does not use a prefix
5553 require libjemalloc jemalloc/jemalloc.h malloc -ljemalloc
5556 require_pkg_config libtcmalloc gperftools/tcmalloc.h tc_malloc
5561 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
5562 check_func ${malloc_prefix}memalign && enable memalign
5563 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
5566 check_func_headers stdlib.h arc4random
5567 check_func_headers time.h clock_gettime ||
5568 { check_lib time.h clock_gettime -lrt && LIBRT="-lrt"; }
5571 check_func gethrtime
5573 check_func getrusage
5574 check_func gettimeofday
5576 check_func mach_absolute_time
5580 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
5581 check_func_headers time.h nanosleep ||
5582 { check_lib time.h nanosleep -lrt && LIBRT="-lrt"; }
5583 check_func sched_getaffinity
5584 check_func setrlimit
5585 check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE
5586 check_func strerror_r
5591 check_func_headers conio.h kbhit
5592 check_func_headers io.h setmode
5593 check_func_headers lzo/lzo1x.h lzo1x_999_compress
5594 check_func_headers stdlib.h getenv
5595 check_func_headers sys/stat.h lstat
5597 check_func_headers windows.h CoTaskMemFree -lole32
5598 check_func_headers windows.h GetProcessAffinityMask
5599 check_func_headers windows.h GetProcessTimes
5600 check_func_headers windows.h GetSystemTimeAsFileTime
5601 check_func_headers windows.h LoadLibrary
5602 check_func_headers windows.h MapViewOfFile
5603 check_func_headers windows.h PeekNamedPipe
5604 check_func_headers windows.h SetConsoleTextAttribute
5605 check_func_headers windows.h SetConsoleCtrlHandler
5606 check_func_headers windows.h Sleep
5607 check_func_headers windows.h VirtualAlloc
5608 check_struct windows.h "CONDITION_VARIABLE" Ptr
5609 check_func_headers glob.h glob
5611 check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext
5613 check_header AudioToolbox/AudioToolbox.h
5614 check_header direct.h
5615 check_header dirent.h
5616 check_header dlfcn.h
5617 check_header d3d11.h
5619 check_header dxva2api.h -D_WIN32_WINNT=0x0600
5621 check_header libcrystalhd/libcrystalhd_if.h
5622 check_header mach/mach_time.h
5623 check_header malloc.h
5624 check_header net/udplite.h
5626 check_header sys/mman.h
5627 check_header sys/param.h
5628 check_header sys/resource.h
5629 check_header sys/select.h
5630 check_header sys/time.h
5631 check_header sys/un.h
5632 check_header termios.h
5633 check_header unistd.h
5634 check_header valgrind/valgrind.h
5635 check_header vdpau/vdpau.h
5636 check_header vdpau/vdpau_x11.h
5637 check_header VideoDecodeAcceleration/VDADecoder.h
5638 check_header VideoToolbox/VideoToolbox.h
5639 check_func_headers VideoToolbox/VTCompressionSession.h VTCompressionSessionPrepareToEncodeFrames -framework VideoToolbox
5640 enabled videotoolbox && check_func_headers CoreVideo/CVImageBuffer.h kCVImageBufferColorPrimaries_ITU_R_2020 -framework CoreVideo
5641 check_header windows.h
5642 check_header X11/extensions/XvMClib.h
5643 check_header asm/types.h
5645 # it seems there are versions of clang in some distros that try to use the
5646 # gcc headers, which explodes for stdatomic
5647 # so we also check that atomics actually work here
5648 check_builtin stdatomic_h stdatomic.h "atomic_int foo, bar = ATOMIC_VAR_INIT(-1); atomic_store(&foo, 0)"
5650 check_lib "windows.h shellapi.h" CommandLineToArgvW -lshell32
5651 check_lib "windows.h wincrypt.h" CryptGenRandom -ladvapi32
5652 check_lib "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
5654 check_lib "CoreServices/CoreServices.h" UTGetOSTypeFromString "-framework CoreServices"
5656 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
5658 check_type "windows.h dxva.h" "DXVA_PicParams_HEVC" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0
5659 check_type "windows.h dxva.h" "DXVA_PicParams_VP9" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0
5660 check_type "windows.h d3d11.h" "ID3D11VideoDecoder"
5661 check_type "windows.h d3d11.h" "ID3D11VideoContext"
5662 check_type "d3d9.h dxva2api.h" DXVA2_ConfigPictureDecode -D_WIN32_WINNT=0x0602
5664 check_type "va/va.h va/va_dec_hevc.h" "VAPictureParameterBufferHEVC"
5665 check_struct "va/va.h" "VADecPictureParameterBufferVP9" bit_depth
5666 check_type "va/va.h va/va_vpp.h" "VAProcPipelineParameterBuffer"
5667 check_type "va/va.h va/va_enc_h264.h" "VAEncPictureParameterBufferH264"
5668 check_type "va/va.h va/va_enc_hevc.h" "VAEncPictureParameterBufferHEVC"
5669 check_type "va/va.h va/va_enc_jpeg.h" "VAEncPictureParameterBufferJPEG"
5670 check_type "va/va.h va/va_enc_mpeg2.h" "VAEncPictureParameterBufferMPEG2"
5671 check_type "va/va.h va/va_enc_vp8.h" "VAEncPictureParameterBufferVP8"
5673 check_type "vdpau/vdpau.h" "VdpPictureInfoHEVC"
5675 check_cpp_condition windows.h "!WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)" && enable winrt || disable winrt
5677 if ! disabled w32threads && ! enabled pthreads; then
5678 check_func_headers "windows.h process.h" _beginthreadex &&
5679 enable w32threads || disable w32threads
5680 if ! enabled w32threads && enabled winrt; then
5681 check_func_headers "windows.h" CreateThread &&
5682 enable w32threads || disable w32threads
5686 # check for some common methods of building with pthread support
5687 # do this before the optional library checks as some of them require pthreads
5688 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
5690 if check_func pthread_join -pthread && check_func pthread_create -pthread; then
5692 add_extralibs -pthread
5693 elif check_func pthread_join -pthreads && check_func pthread_create -pthreads; then
5694 add_cflags -pthreads
5695 add_extralibs -pthreads
5696 elif check_func pthread_join -ldl -pthread && check_func pthread_create -ldl -pthread; then
5697 add_cflags -ldl -pthread
5698 add_extralibs -ldl -pthread
5699 elif check_func pthread_join -lpthreadGC2 && check_func pthread_create -lpthreadGC2; then
5700 add_extralibs -lpthreadGC2
5701 elif check_lib pthread.h pthread_join -lpthread && check_lib pthread.h pthread_create -lpthread; then
5703 elif ! check_func pthread_join && ! check_func pthread_create; then
5706 check_code cc "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER" || disable pthreads
5710 if enabled pthreads; then
5711 check_func pthread_cancel
5715 check_builtin sem_timedwait semaphore.h "sem_t *s; sem_init(s,0,0); sem_timedwait(s,0); sem_destroy(s)"
5717 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
5718 disabled bzlib || check_lib bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
5719 disabled lzma || check_lib lzma.h lzma_version_number -llzma || disable lzma
5721 check_lib math.h sin -lm && LIBM="-lm"
5722 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
5730 for func in $MATH_FUNCS; do
5731 eval check_mathfunc $func \${${func}_args:-1}
5734 for func in $COMPLEX_FUNCS; do
5735 eval check_complexfunc $func \${${func}_args:-1}
5738 # these are off by default, so fail if requested and not available
5739 enabled avfoundation_indev && { check_header_objcc AVFoundation/AVFoundation.h || disable avfoundation_indev; }
5740 enabled avfoundation_indev && { check_lib CoreGraphics/CoreGraphics.h CGGetActiveDisplayList -framework CoreGraphics ||
5741 check_lib ApplicationServices/ApplicationServices.h CGGetActiveDisplayList -framework ApplicationServices; }
5742 enabled cuda && check_header cuda.h # this is not a dependency
5743 enabled cuvid && { enabled cuda ||
5744 die "ERROR: CUVID requires CUDA"; }
5745 enabled chromaprint && require chromaprint chromaprint.h chromaprint_get_version -lchromaprint
5746 enabled coreimage_filter && { check_header_objcc QuartzCore/CoreImage.h || disable coreimage_filter; }
5747 enabled coreimagesrc_filter && { check_header_objcc QuartzCore/CoreImage.h || disable coreimagesrc_filter; }
5748 enabled decklink && { { check_header DeckLinkAPI.h || die "ERROR: DeckLinkAPI.h header not found"; } &&
5749 { check_cpp_condition DeckLinkAPIVersion.h "BLACKMAGIC_DECKLINK_API_VERSION >= 0x0a060100" || die "ERROR: Decklink API version must be >= 10.6.1."; } }
5750 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
5751 enabled gmp && require gmp gmp.h mpz_export -lgmp
5752 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
5753 enabled jni && { [ $target_os = "android" ] && check_header jni.h && enabled pthreads &&
5754 check_lib "dlfcn.h" dlopen -ldl || die "ERROR: jni not found"; }
5755 enabled ladspa && { check_header ladspa.h || die "ERROR: ladspa.h header not found"; }
5756 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
5757 enabled libass && require_pkg_config libass ass/ass.h ass_library_init
5758 enabled libbluray && require_pkg_config libbluray libbluray/bluray.h bd_open
5759 enabled libbs2b && require_pkg_config libbs2b bs2b.h bs2b_open
5760 enabled libcelt && require libcelt celt/celt.h celt_decode -lcelt0 &&
5761 { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
5762 die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
5763 enabled libcaca && require_pkg_config caca caca.h caca_create_canvas
5764 enabled libfdk_aac && { use_pkg_config fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen ||
5765 { require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac &&
5766 warn "using libfdk without pkg-config"; } }
5767 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"
5768 enabled libflite && require libflite "flite/flite.h" flite_init $flite_libs
5769 enabled fontconfig && enable libfontconfig
5770 enabled libfontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
5771 enabled libfreetype && require_libfreetype
5772 enabled libfribidi && require_pkg_config fribidi fribidi.h fribidi_version_info
5773 enabled libgme && require libgme gme/gme.h gme_new_emu -lgme -lstdc++
5774 enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
5775 check_lib "${gsm_hdr}" gsm_create -lgsm && break;
5776 done || die "ERROR: libgsm not found"; }
5777 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
5778 enabled libkvazaar && require_pkg_config "kvazaar >= 0.8.1" kvazaar.h kvz_api_get
5779 enabled libmfx && require_pkg_config libmfx "mfx/mfxvideo.h" MFXInit
5780 enabled libmodplug && require_pkg_config libmodplug libmodplug/modplug.h ModPlug_Load
5781 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
5782 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
5783 enabled libnpp && require libnpp npp.h nppGetLibVersion -lnppi -lnppc
5784 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
5785 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
5786 enabled libopencv && { check_header opencv2/core/core_c.h &&
5787 { use_pkg_config opencv opencv2/core/core_c.h cvCreateImageHeader ||
5788 require opencv opencv2/core/core_c.h cvCreateImageHeader -lopencv_core -lopencv_imgproc; } ||
5789 require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader; }
5790 enabled libopenh264 && require_pkg_config openh264 wels/codec_api.h WelsGetCodecVersion
5791 enabled libopenjpeg && { { check_lib openjpeg-2.1/openjpeg.h opj_version -lopenjp2 -DOPJ_STATIC && add_cppflags -DOPJ_STATIC; } ||
5792 check_lib openjpeg-2.1/openjpeg.h opj_version -lopenjp2 ||
5793 { check_lib openjpeg-2.0/openjpeg.h opj_version -lopenjp2 -DOPJ_STATIC && add_cppflags -DOPJ_STATIC; } ||
5794 { check_lib openjpeg-1.5/openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC && add_cppflags -DOPJ_STATIC; } ||
5795 { check_lib openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC && add_cppflags -DOPJ_STATIC; } ||
5796 die "ERROR: libopenjpeg not found"; }
5797 enabled libopenmpt && require_pkg_config "libopenmpt >= 0.2.6557" libopenmpt/libopenmpt.h openmpt_module_create
5798 enabled libopus && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
5799 enabled libpulse && require_pkg_config libpulse pulse/pulseaudio.h pa_context_new
5800 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
5801 enabled librubberband && require_pkg_config "rubberband >= 1.8.1" rubberband/rubberband-c.h rubberband_new
5802 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
5803 enabled libshine && require_pkg_config shine shine/layer3.h shine_encode_buffer
5804 enabled libsmbclient && { use_pkg_config smbclient libsmbclient.h smbc_init ||
5805 require smbclient libsmbclient.h smbc_init -lsmbclient; }
5806 enabled libsnappy && require snappy snappy-c.h snappy_compress -lsnappy
5807 enabled libsoxr && require libsoxr soxr.h soxr_create -lsoxr && LIBSOXR="-lsoxr"
5808 enabled libssh && require_pkg_config libssh libssh/sftp.h sftp_init
5809 enabled libspeex && require_pkg_config speex speex/speex.h speex_decoder_init -lspeex
5810 enabled libtesseract && require_pkg_config tesseract tesseract/capi.h TessBaseAPICreate
5811 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
5812 enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame &&
5813 { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
5814 die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
5815 enabled libv4l2 && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
5816 enabled libvidstab && require_pkg_config "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit
5817 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
5818 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
5821 enabled libvpx_vp8_decoder && {
5822 use_pkg_config "vpx >= 0.9.1" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp8_dx ||
5823 check_lib "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
5824 die "ERROR: libvpx decoder version must be >=0.9.1";
5826 enabled libvpx_vp8_encoder && {
5827 use_pkg_config "vpx >= 0.9.7" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp8_cx ||
5828 check_lib "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VP8E_SET_MAX_INTRA_BITRATE_PCT" -lvpx ||
5829 die "ERROR: libvpx encoder version must be >=0.9.7";
5831 enabled libvpx_vp9_decoder && {
5832 use_pkg_config "vpx >= 1.3.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx ||
5833 check_lib "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx ||
5834 disable libvpx_vp9_decoder;
5836 enabled libvpx_vp9_encoder && {
5837 use_pkg_config "vpx >= 1.3.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx ||
5838 check_lib "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VP9E_SET_AQ_MODE" -lvpx ||
5839 disable libvpx_vp9_encoder;
5841 if disabled_all libvpx_vp8_decoder libvpx_vp9_decoder libvpx_vp8_encoder libvpx_vp9_encoder; then
5842 die "libvpx enabled but no supported decoders found"
5846 enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack
5847 enabled libwebp && {
5848 enabled libwebp_encoder && require_pkg_config "libwebp >= 0.2.0" webp/encode.h WebPGetEncoderVersion
5849 enabled libwebp_anim_encoder && { use_pkg_config "libwebpmux >= 0.4.0" webp/mux.h WebPAnimEncoderOptionsInit || disable libwebp_anim_encoder; } }
5850 enabled libx264 && { use_pkg_config x264 "stdint.h x264.h" x264_encoder_encode ||
5851 { require libx264 "stdint.h x264.h" x264_encoder_encode -lx264 &&
5852 warn "using libx264 without pkg-config"; } } &&
5853 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
5854 die "ERROR: libx264 must be installed and version must be >= 0.118."; } &&
5855 { check_cpp_condition x264.h "X264_MPEG2" &&
5857 enabled libx265 && require_pkg_config x265 x265.h x265_api_get &&
5858 { check_cpp_condition x265.h "X265_BUILD >= 68" ||
5859 die "ERROR: libx265 version must be >= 68."; }
5860 enabled libxavs && require libxavs "stdint.h xavs.h" xavs_encoder_encode -lxavs
5861 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
5862 enabled libzimg && require_pkg_config "zimg >= 2.3.0" zimg.h zimg_get_api_version
5863 enabled libzmq && require_pkg_config libzmq zmq.h zmq_ctx_new
5864 enabled libzvbi && require libzvbi libzvbi.h vbi_decoder_new -lzvbi &&
5865 { check_cpp_condition libzvbi.h "VBI_VERSION_MAJOR > 0 || VBI_VERSION_MINOR > 2 || VBI_VERSION_MINOR == 2 && VBI_VERSION_MICRO >= 28" ||
5866 enabled gpl || die "ERROR: libzvbi requires version 0.2.28 or --enable-gpl."; }
5867 enabled mediacodec && { enabled jni || die "ERROR: mediacodec requires --enable-jni"; }
5868 enabled mmal && { check_lib interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ||
5869 { ! enabled cross_compile && {
5870 add_cflags -isystem/opt/vc/include/ -isystem/opt/vc/include/interface/vmcs_host/linux -isystem/opt/vc/include/interface/vcos/pthreads -fgnu89-inline ;
5871 add_extralibs -L/opt/vc/lib/ -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ;
5872 check_lib interface/mmal/mmal.h mmal_port_connect ; }
5873 check_lib interface/mmal/mmal.h mmal_port_connect ; } ||
5874 die "ERROR: mmal not found"; }
5875 enabled mmal && check_func_headers interface/mmal/mmal.h "MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS"
5877 enabled netcdf && require_pkg_config netcdf netcdf.h nc_inq_libvers
5878 enabled openal && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
5879 check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
5880 die "ERROR: openal not found"; } &&
5881 { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
5882 die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
5883 enabled opencl && { check_lib OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||
5884 check_lib CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||
5885 die "ERROR: opencl not found"; } &&
5886 { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||
5887 check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||
5888 die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }
5889 enabled opengl && { check_lib GL/glx.h glXGetProcAddress "-lGL" ||
5890 check_lib windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||
5891 check_lib OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||
5892 check_lib ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||
5893 die "ERROR: opengl not found."
5895 enabled omx_rpi && enable omx
5896 enabled omx && { check_header OMX_Core.h ||
5897 { ! enabled cross_compile && enabled omx_rpi && {
5898 add_cflags -isystem/opt/vc/include/IL ; }
5899 check_header OMX_Core.h ; } ||
5900 die "ERROR: OpenMAX IL headers not found"; }
5901 enabled openssl && { use_pkg_config openssl openssl/ssl.h OPENSSL_init_ssl ||
5902 use_pkg_config openssl openssl/ssl.h SSL_library_init ||
5903 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
5904 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
5905 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
5906 die "ERROR: openssl not found"; }
5907 enabled qtkit_indev && { check_header_objcc QTKit/QTKit.h || disable qtkit_indev; }
5910 if enabled libdc1394; then
5911 { require_pkg_config libdc1394-2 dc1394/dc1394.h dc1394_new &&
5912 enable libdc1394_2; } ||
5913 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
5914 enable libdc1394_1; } ||
5915 die "ERROR: No version of libdc1394 found "
5918 if enabled gcrypt; then
5919 GCRYPT_CONFIG="${cross_prefix}libgcrypt-config"
5920 if "${GCRYPT_CONFIG}" --version > /dev/null 2>&1; then
5921 gcrypt_cflags=$("${GCRYPT_CONFIG}" --cflags)
5922 gcrypt_libs=$("${GCRYPT_CONFIG}" --libs)
5923 check_func_headers gcrypt.h gcry_mpi_new $gcrypt_cflags $gcrypt_libs ||
5924 die "ERROR: gcrypt not found"
5925 add_cflags $gcrypt_cflags && add_extralibs $gcrypt_libs
5927 require gcrypt gcrypt.h gcry_mpi_new -lgcrypt
5931 disabled sdl && disable sdl2
5932 if ! disabled sdl2; then
5933 SDL2_CONFIG="${cross_prefix}sdl2-config"
5934 if check_pkg_config sdl2 SDL_events.h SDL_PollEvent; then
5935 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x020001" $sdl2_cflags &&
5936 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x020100" $sdl2_cflags &&
5937 check_func SDL_Init $sdl2_libs $sdl2_cflags && enable sdl2
5939 if "${SDL2_CONFIG}" --version > /dev/null 2>&1; then
5940 sdl2_cflags=$("${SDL2_CONFIG}" --cflags)
5941 sdl2_libs=$("${SDL2_CONFIG}" --libs)
5942 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x020001" $sdl2_cflags &&
5943 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x020100" $sdl2_cflags &&
5944 check_func SDL_Init $sdl2_libs $sdl2_cflags && enable sdl2
5947 if test $target_os = "mingw32"; then
5948 sdl2_libs="$sdl2_libs -mconsole"
5951 enabled sdl2 && enable sdl && add_cflags $sdl2_cflags && add_extralibs $sdl2_libs
5953 disabled securetransport || { check_func SecIdentityCreate "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&
5954 check_lib "Security/SecureTransport.h Security/Security.h" "SSLCreateContext SecItemImport" "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&
5955 enable securetransport; }
5957 disabled schannel || { check_func_headers "windows.h security.h" InitializeSecurityContext -DSECURITY_WIN32 -lsecur32 &&
5958 check_cpp_condition winerror.h "defined(SEC_I_CONTEXT_EXPIRED)" && enable schannel && add_extralibs -lsecur32; }
5960 makeinfo --version > /dev/null 2>&1 && enable makeinfo || disable makeinfo
5962 && [ 0$(makeinfo --version | grep "texinfo" | sed 's/.*texinfo[^0-9]*\([0-9]*\)\..*/\1/') -ge 5 ] \
5963 && enable makeinfo_html || disable makeinfo_html
5964 disabled makeinfo_html && texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
5965 perl -v > /dev/null 2>&1 && enable perl || disable perl
5966 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
5967 rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout
5969 check_header linux/fb.h
5970 check_header linux/videodev.h
5971 check_header linux/videodev2.h
5972 check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete
5974 check_header sys/videoio.h
5975 check_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete
5977 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
5978 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
5979 # w32api 3.12 had it defined wrong
5980 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
5982 check_type "dshow.h" IBaseFilter
5984 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
5985 { check_header dev/bktr/ioctl_meteor.h &&
5986 check_header dev/bktr/ioctl_bt848.h; } ||
5987 { check_header machine/ioctl_meteor.h &&
5988 check_header machine/ioctl_bt848.h; } ||
5989 { check_header dev/video/meteor/ioctl_meteor.h &&
5990 check_header dev/video/bktr/ioctl_bt848.h; } ||
5991 check_header dev/ic/bt8xx.h
5993 check_header sndio.h
5994 if check_struct sys/soundcard.h audio_buf_info bytes; then
5995 enable_safe sys/soundcard.h
5997 check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
5998 #include <sys/soundcard.h>
6002 check_header soundcard.h
6004 enabled_any alsa_indev alsa_outdev &&
6005 check_lib alsa/asoundlib.h snd_pcm_htimestamp -lasound
6007 enabled jack_indev && check_lib jack/jack.h jack_client_open -ljack &&
6008 check_func jack_port_get_latency_range -ljack
6010 enabled_any sndio_indev sndio_outdev && check_lib sndio.h sio_open -lsndio
6012 if enabled libcdio; then
6013 check_lib "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
6014 check_lib "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
6015 die "ERROR: No usable libcdio/cdparanoia found"
6019 check_lib X11/Xlib.h XOpenDisplay -lX11 || disable xlib
6021 if ! disabled libxcb; then
6022 check_pkg_config "xcb >= 1.4" xcb/xcb.h xcb_connect || {
6023 enabled libxcb && die "ERROR: libxcb >= 1.4 not found";
6026 if enabled libxcb; then
6027 disabled libxcb_shm || {
6028 check_pkg_config xcb-shm xcb/shm.h xcb_shm_attach || {
6029 enabled libxcb_shm && die "ERROR: libxcb_shm not found";
6030 } && check_header sys/shm.h && enable libxcb_shm; }
6032 disabled libxcb_xfixes || {
6033 check_pkg_config xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image || {
6034 enabled libxcb_xfixes && die "ERROR: libxcb_xfixes not found";
6035 } && enable libxcb_xfixes; }
6037 disabled libxcb_shape || {
6038 check_pkg_config xcb-shape xcb/shape.h xcb_shape_get_rectangles || {
6039 enabled libxcb_shape && die "ERROR: libxcb_shape not found";
6040 } && enable libxcb_shape; }
6042 add_cflags $xcb_cflags $xcb_shm_cflags $xcb_xfixes_cflags $xcb_shape_cflags
6043 add_extralibs $xcb_libs $xcb_shm_libs $xcb_xfixes_libs $xcb_shape_libs
6047 check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs"
6049 enabled dxva2api_h &&
6050 check_cc <<EOF && enable dxva2api_cobj
6051 #define _WIN32_WINNT 0x0600
6053 #include <windows.h>
6055 #include <dxva2api.h>
6056 int main(void) { IDirectXVideoDecoder *o = NULL; IDirectXVideoDecoder_Release(o); return 0; }
6060 check_lib va/va.h vaInitialize -lva ||
6064 check_code cc "va/va.h" "vaCreateSurfaces(0, 0, 0, 0, 0, 0, 0, 0)" ||
6067 if enabled vaapi ; then
6069 check_lib "va/va.h va/va_x11.h" vaGetDisplay -lva -lva-x11 &&
6072 check_lib "va/va.h va/va_drm.h" vaGetDisplayDRM -lva -lva-drm &&
6077 check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
6080 enabled vdpau && enabled xlib &&
6081 check_lib "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau &&
6084 if enabled x86; then
6086 mingw32*|mingw64*|win32|win64|linux|cygwin*)
6089 disable cuda cuvid nvenc
6093 disable cuda cuvid nvenc
6097 check_cc -I$source_path <<EOF || disable nvenc
6098 #include "compat/nvenc/nvEncodeAPI.h"
6099 NV_ENCODE_API_FUNCTION_LIST flist;
6100 void f(void) { struct { const GUID guid; } s[] = { { NV_ENC_PRESET_HQ_GUID } }; }
6101 int main(void) { return 0; }
6104 # Funny iconv installations are not unusual, so check it after all flags have been set
6105 disabled iconv || check_func_headers iconv.h iconv || check_lib iconv.h iconv -liconv || disable iconv
6107 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
6109 # add some useful compiler flags if supported
6110 check_cflags -Wdeclaration-after-statement
6112 check_cflags -Wdisabled-optimization
6113 check_cflags -Wpointer-arith
6114 check_cflags -Wredundant-decls
6115 check_cflags -Wwrite-strings
6116 check_cflags -Wtype-limits
6117 check_cflags -Wundef
6118 check_cflags -Wmissing-prototypes
6119 check_cflags -Wno-pointer-to-int-cast
6120 check_cflags -Wstrict-prototypes
6121 check_cflags -Wempty-body
6122 enabled extra_warnings && check_cflags -Winline
6123 enabled extra_warnings && check_cflags -Wcast-qual
6125 check_disable_warning(){
6126 warning_flag=-W${1#-Wno-}
6127 test_cflags $warning_flag && add_cflags $1
6130 check_disable_warning -Wno-parentheses
6131 check_disable_warning -Wno-switch
6132 check_disable_warning -Wno-format-zero-length
6133 check_disable_warning -Wno-pointer-sign
6134 check_disable_warning -Wno-unused-const-variable
6136 # add some linker flags
6137 check_ldflags -Wl,--warn-common
6138 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
6139 enabled rpath && add_ldexeflags -Wl,-rpath,$libdir
6140 enabled rpath && add_ldlibflags -Wl,-rpath,$libdir
6141 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
6143 # add some strip flags
6144 # -wN '..@*' is more selective than -x, but not available everywhere.
6145 check_stripflags -wN \'..@*\' || check_stripflags -x
6147 enabled neon_clobber_test &&
6148 check_ldflags -Wl,--wrap,avcodec_open2 \
6149 -Wl,--wrap,avcodec_decode_audio4 \
6150 -Wl,--wrap,avcodec_decode_video2 \
6151 -Wl,--wrap,avcodec_decode_subtitle2 \
6152 -Wl,--wrap,avcodec_encode_audio2 \
6153 -Wl,--wrap,avcodec_encode_video2 \
6154 -Wl,--wrap,avcodec_send_packet \
6155 -Wl,--wrap,avcodec_receive_frame \
6156 -Wl,--wrap,avcodec_send_frame \
6157 -Wl,--wrap,avcodec_receive_packet \
6158 -Wl,--wrap,avcodec_encode_subtitle \
6159 -Wl,--wrap,swr_convert \
6160 -Wl,--wrap,avresample_convert ||
6161 disable neon_clobber_test
6163 enabled xmm_clobber_test &&
6164 check_ldflags -Wl,--wrap,avcodec_open2 \
6165 -Wl,--wrap,avcodec_decode_audio4 \
6166 -Wl,--wrap,avcodec_decode_video2 \
6167 -Wl,--wrap,avcodec_decode_subtitle2 \
6168 -Wl,--wrap,avcodec_encode_audio2 \
6169 -Wl,--wrap,avcodec_encode_video2 \
6170 -Wl,--wrap,avcodec_encode_subtitle \
6171 -Wl,--wrap,avcodec_send_packet \
6172 -Wl,--wrap,avcodec_receive_frame \
6173 -Wl,--wrap,avcodec_send_frame \
6174 -Wl,--wrap,avcodec_receive_packet \
6175 -Wl,--wrap,swr_convert \
6176 -Wl,--wrap,avresample_convert \
6177 -Wl,--wrap,sws_scale ||
6178 disable xmm_clobber_test
6180 check_ld "cc" <<EOF && enable proper_dce
6181 extern const int array[512];
6182 static inline int func(void) { return array[0]; }
6183 int main(void) { return 0; }
6186 if enabled proper_dce; then
6187 echo "X { local: *; };" > $TMPV
6188 if test_ldflags -Wl,${version_script},$TMPV; then
6189 append SHFLAGS '-Wl,${version_script},\$(SUBDIR)lib\$(NAME).ver'
6190 check_cc <<EOF && enable symver_asm_label
6191 void ff_foo(void) __asm__ ("av_foo@VERSION");
6192 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
6194 check_cc <<EOF && enable symver_gnu_asm
6195 __asm__(".symver ff_foo,av_foo@VERSION");
6196 void ff_foo(void) {}
6201 if [ -z "$optflags" ]; then
6202 if enabled small; then
6203 optflags=$cflags_size
6204 elif enabled optimizations; then
6205 optflags=$cflags_speed
6207 optflags=$cflags_noopt
6213 enabled lto && check_ldflags "$@"
6217 if enabled lto; then
6218 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
6220 check_ldflags -flto $cpuflags
6221 disable inline_asm_direct_symbol_refs
6224 check_optflags $optflags
6225 check_optflags -fno-math-errno
6226 check_optflags -fno-signed-zeros
6228 enabled ftrapv && check_cflags -ftrapv
6230 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
6235 if enabled icc; then
6236 # Just warnings, no remarks
6238 # -wd: Disable following warnings
6239 # 144, 167, 556: -Wno-pointer-sign
6240 # 188: enumerated type mixed with another type
6241 # 1292: attribute "foo" ignored
6242 # 1419: external declaration in primary source file
6243 # 10006: ignoring unknown option -fno-signed-zeros
6244 # 10148: ignoring unknown option -Wno-parentheses
6245 # 10156: ignoring option '-W'; no argument required
6246 # 13200: No EMMS instruction before call to function
6247 # 13203: No EMMS instruction before return from function
6248 check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156,13200,13203
6249 # 11030: Warning unknown option --as-needed
6250 # 10156: ignoring option '-export'; no argument required
6251 check_ldflags -wd10156,11030
6252 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
6253 enable ebp_available
6254 # The test above does not test linking
6255 enabled lto && disable symver_asm_label
6256 if enabled x86_32; then
6257 icc_version=$($cc -dumpversion)
6258 test ${icc_version%%.*} -ge 11 &&
6259 check_cflags -falign-stack=maintain-16-byte ||
6260 disable aligned_stack
6262 elif enabled ccc; then
6263 # disable some annoying warnings
6264 add_cflags -msg_disable bitnotint
6265 add_cflags -msg_disable mixfuncvoid
6266 add_cflags -msg_disable nonstandcast
6267 add_cflags -msg_disable unsupieee
6268 elif enabled gcc; then
6269 check_optflags -fno-tree-vectorize
6270 check_cflags -Werror=format-security
6271 check_cflags -Werror=implicit-function-declaration
6272 check_cflags -Werror=missing-prototypes
6273 check_cflags -Werror=return-type
6274 check_cflags -Werror=vla
6275 check_cflags -Wformat
6276 check_cflags -fdiagnostics-color=auto
6277 enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized
6278 elif enabled llvm_gcc; then
6279 check_cflags -mllvm -stack-alignment=16
6280 elif enabled clang; then
6281 check_cflags -mllvm -stack-alignment=16
6282 check_cflags -mstack-alignment=16
6283 check_cflags -Qunused-arguments
6284 check_cflags -Werror=implicit-function-declaration
6285 check_cflags -Werror=missing-prototypes
6286 check_cflags -Werror=return-type
6287 elif enabled cparser; then
6288 add_cflags -Wno-missing-variable-declarations
6289 add_cflags -Wno-empty-statement
6290 elif enabled armcc; then
6291 add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat
6292 add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir
6293 # 2523: use of inline assembly is deprecated
6294 add_cflags -W${armcc_opt},--diag_suppress=2523
6295 add_cflags -W${armcc_opt},--diag_suppress=1207
6296 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
6297 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
6298 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
6299 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
6300 elif enabled tms470; then
6301 add_cflags -pds=824 -pds=837
6303 elif enabled pathscale; then
6304 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
6305 elif enabled_any msvc icl; then
6306 enabled x86_32 && disable aligned_stack
6307 enabled_all x86_32 debug && add_cflags -Oy-
6308 enabled debug && add_ldflags -debug
6309 enable pragma_deprecated
6310 if enabled icl; then
6311 # -Qansi-alias is basically -fstrict-aliasing, but does not work
6312 # (correctly) on icl 13.x.
6313 check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&
6314 add_cflags -Qansi-alias
6315 # Some inline asm is not compilable in debug
6316 if enabled debug; then
6317 disable ebp_available
6318 disable ebx_available
6321 # msvcrt10 x64 incorrectly enables log2, only msvcrt12 (MSVC 2013) onwards actually has log2.
6322 check_cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION >= 12" || disable log2
6323 # The CRT headers contain __declspec(restrict) in a few places, but if redefining
6324 # restrict, this might break. MSVC 2010 and 2012 fail with __declspec(__restrict)
6325 # (as it ends up if the restrict redefine is done before including stdlib.h), while
6326 # MSVC 2013 and newer can handle it fine.
6327 # If this declspec fails, force including stdlib.h before the restrict redefinition
6328 # happens in config.h.
6329 if [ $_restrict != restrict ]; then
6330 check_cc <<EOF || add_cflags -FIstdlib.h
6331 __declspec($_restrict) void* foo(int);
6334 # the new SSA optimzer in VS2015 U3 is mis-optimizing some parts of the code
6335 # Issue has been fixed in MSVC v19.00.24218.
6336 check_cpp_condition windows.h "_MSC_FULL_VER >= 190024218" ||
6337 check_cflags -d2SSAOptimizer-
6338 # enable utf-8 source processing on VS2015 U2 and newer
6339 check_cpp_condition windows.h "_MSC_FULL_VER >= 190023918" &&
6343 for pfx in "" host_; do
6344 varname=${pfx%_}cc_type
6345 eval "type=\$$varname"
6346 if [ $type = "msvc" ]; then
6347 check_${pfx}cc <<EOF || add_${pfx}cflags -Dinline=__inline
6348 static inline int foo(int a) { return a; }
6355 add_asflags -Qunused-arguments
6361 check_ldflags -Qunused-arguments
6367 enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'
6370 add_cppflags -Dmain=plan9_main
6374 enable frame_thread_encoder
6376 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
6378 check_deps $CONFIG_LIST \
6383 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"
6386 if test $target_os = "haiku"; then
6388 disable posix_memalign
6391 enabled_all dxva2 dxva2api_cobj CoTaskMemFree &&
6392 prepend ffmpeg_libs $($ldflags_filter "-lole32") &&
6396 # -> enable ${lib}_deps_${dep}
6397 # -> add $dep to ${lib}_deps only once
6401 enabled "${lib}_deps_${dep}" && return 0
6402 enable "${lib}_deps_${dep}"
6403 prepend "${lib}_deps" $dep
6406 # merge deps lib components
6407 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
6412 enabled $comp || continue
6413 eval "dep=\"\$${comp}_deps\""
6420 merge_deps libavfilter $FILTER_LIST
6422 map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST
6424 for thread in $THREADS_LIST; do
6425 if enabled $thread; then
6426 test -n "$thread_type" &&
6427 die "ERROR: Only one thread type must be selected." ||
6428 thread_type="$thread"
6432 if disabled stdatomic_h; then
6433 if enabled atomics_gcc; then
6434 add_cppflags '-I\$(SRC_PATH)/compat/atomics/gcc'
6435 elif enabled atomics_win32; then
6436 add_cppflags '-I\$(SRC_PATH)/compat/atomics/win32'
6437 elif enabled atomics_suncc; then
6438 add_cppflags '-I\$(SRC_PATH)/compat/atomics/suncc'
6439 elif enabled pthreads; then
6440 add_compat atomics/pthread/stdatomic.o
6441 add_cppflags '-I\$(SRC_PATH)/compat/atomics/pthread'
6443 enabled threads && die "Threading is enabled, but no atomics are available"
6444 add_cppflags '-I\$(SRC_PATH)/compat/atomics/dummy'
6448 # Check if requested libraries were found.
6449 for lib in $AUTODETECT_LIBS; do
6450 requested $lib && ! enabled $lib && die "ERROR: $lib requested but not found";
6453 enabled zlib && add_cppflags -DZLIB_CONST
6455 # conditional library dependencies, in linking order
6456 enabled afftfilt_filter && prepend avfilter_deps "avcodec"
6457 enabled amovie_filter && prepend avfilter_deps "avformat avcodec"
6458 enabled aresample_filter && prepend avfilter_deps "swresample"
6459 enabled asyncts_filter && prepend avfilter_deps "avresample"
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 echo "install prefix $prefix"
6501 echo "source path $source_path"
6502 echo "C compiler $cc"
6503 echo "C library $libc_type"
6504 if test "$host_cc" != "$cc"; then
6505 echo "host C compiler $host_cc"
6506 echo "host C library $host_libc_type"
6508 echo "ARCH $arch ($cpu)"
6509 if test "$build_suffix" != ""; then
6510 echo "build suffix $build_suffix"
6512 if test "$progs_suffix" != ""; then
6513 echo "progs suffix $progs_suffix"
6515 if test "$extra_version" != ""; then
6516 echo "version string suffix $extra_version"
6518 echo "big-endian ${bigendian-no}"
6519 echo "runtime cpu detection ${runtime_cpudetect-no}"
6520 if enabled x86; then
6521 echo "${yasmexe} ${yasm-no}"
6522 echo "MMX enabled ${mmx-no}"
6523 echo "MMXEXT enabled ${mmxext-no}"
6524 echo "3DNow! enabled ${amd3dnow-no}"
6525 echo "3DNow! extended enabled ${amd3dnowext-no}"
6526 echo "SSE enabled ${sse-no}"
6527 echo "SSSE3 enabled ${ssse3-no}"
6528 echo "AESNI enabled ${aesni-no}"
6529 echo "AVX enabled ${avx-no}"
6530 echo "XOP enabled ${xop-no}"
6531 echo "FMA3 enabled ${fma3-no}"
6532 echo "FMA4 enabled ${fma4-no}"
6533 echo "i686 features enabled ${i686-no}"
6534 echo "CMOV is fast ${fast_cmov-no}"
6535 echo "EBX available ${ebx_available-no}"
6536 echo "EBP available ${ebp_available-no}"
6538 if enabled aarch64; then
6539 echo "NEON enabled ${neon-no}"
6540 echo "VFP enabled ${vfp-no}"
6542 if enabled arm; then
6543 echo "ARMv5TE enabled ${armv5te-no}"
6544 echo "ARMv6 enabled ${armv6-no}"
6545 echo "ARMv6T2 enabled ${armv6t2-no}"
6546 echo "VFP enabled ${vfp-no}"
6547 echo "NEON enabled ${neon-no}"
6548 echo "THUMB enabled ${thumb-no}"
6550 if enabled mips; then
6551 echo "MIPS FPU enabled ${mipsfpu-no}"
6552 echo "MIPS DSP R1 enabled ${mipsdsp-no}"
6553 echo "MIPS DSP R2 enabled ${mipsdspr2-no}"
6554 echo "MIPS MSA enabled ${msa-no}"
6555 echo "LOONGSON MMI enabled ${mmi-no}"
6557 if enabled ppc; then
6558 echo "AltiVec enabled ${altivec-no}"
6559 echo "VSX enabled ${vsx-no}"
6560 echo "POWER8 enabled ${power8-no}"
6561 echo "PPC 4xx optimizations ${ppc4xx-no}"
6562 echo "dcbzl available ${dcbzl-no}"
6564 echo "debug symbols ${debug-no}"
6565 echo "strip symbols ${stripping-no}"
6566 echo "optimize for size ${small-no}"
6567 echo "optimizations ${optimizations-no}"
6568 echo "static ${static-no}"
6569 echo "shared ${shared-no}"
6570 echo "postprocessing support ${postproc-no}"
6571 echo "new filter support ${avfilter-no}"
6572 echo "network support ${network-no}"
6573 echo "threading support ${thread_type-no}"
6574 echo "safe bitstream reader ${safe_bitstream_reader-no}"
6575 echo "SDL2 support ${sdl2-no}"
6576 echo "opencl enabled ${opencl-no}"
6577 echo "JNI support ${jni-no}"
6578 echo "texi2html enabled ${texi2html-no}"
6579 echo "perl enabled ${perl-no}"
6580 echo "pod2man enabled ${pod2man-no}"
6581 echo "makeinfo enabled ${makeinfo-no}"
6582 echo "makeinfo supports HTML ${makeinfo_html-no}"
6583 test -n "$random_seed" &&
6584 echo "random seed ${random_seed}"
6587 echo "Enabled programs:"
6588 print_enabled '' $PROGRAM_LIST | print_in_columns
6591 echo "External libraries:"
6592 print_enabled '' $EXTERNAL_LIBRARY_LIST | print_in_columns
6595 echo "External libraries providing hardware acceleration:"
6596 print_enabled '' $HWACCEL_LIBRARY_LIST | print_in_columns
6600 print_enabled '' $LIBRARY_LIST | print_in_columns
6603 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
6604 echo "Enabled ${type}s:"
6605 eval list=\$$(toupper $type)_LIST
6606 print_enabled '_*' $list | print_in_columns
6610 license="LGPL version 2.1 or later"
6611 if enabled nonfree; then
6612 license="nonfree and unredistributable"
6613 elif enabled gplv3; then
6614 license="GPL version 3 or later"
6615 elif enabled lgplv3; then
6616 license="LGPL version 3 or later"
6617 elif enabled gpl; then
6618 license="GPL version 2 or later"
6621 echo "License: $license"
6623 echo "Creating config.mak, config.h, and doc/config.texi..."
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 ZLIB=$($ldflags_filter -lz)
6737 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
6738 EXTRALIBS=$extralibs
6739 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 $TMPH libavutil/avconfig.h
6845 if test -n "$WARNINGS"; then
6846 printf "\n%s%s$WARNINGS%s" "$warn_color" "$bold_color" "$reset_color"
6847 enabled fatal_warnings && exit 1
6850 # generate the lists of enabled components
6851 print_enabled_components(){
6856 echo "static const $struct_name *$name[] = {" > $TMPH
6858 enabled $c && printf " &ff_%s,\n" $c >> $TMPH
6860 echo " NULL };" >> $TMPH
6861 cp_if_changed $TMPH $file
6864 print_enabled_components libavcodec/bsf_list.c AVBitStreamFilter bitstream_filters $BSF_LIST
6865 print_enabled_components libavformat/protocol_list.c URLProtocol url_protocols $PROTOCOL_LIST
6867 # build pkg-config files
6870 eval printf "\"lib${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"