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]
96 --enable-gpl allow use of GPL code, the resulting libs
97 and binaries will be under GPL [no]
98 --enable-version3 upgrade (L)GPL to version 3 [no]
99 --enable-nonfree allow use of nonfree code, the resulting libs
100 and binaries will be unredistributable [no]
102 Configuration options:
103 --disable-static do not build static libraries [no]
104 --enable-shared build shared libraries [no]
105 --enable-small optimize for size instead of speed
106 --disable-runtime-cpudetect disable detecting cpu capabilities at runtime (smaller binary)
107 --enable-gray enable full grayscale support (slower color)
108 --disable-swscale-alpha disable alpha channel support in swscale
109 --disable-all disable building components, libraries and programs
110 --enable-incompatible-libav-abi enable incompatible Libav fork ABI [no]
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 Hardware accelerators:
152 --disable-d3d11va disable D3D11VA code [autodetect]
153 --disable-dxva2 disable DXVA2 code [autodetect]
154 --disable-vaapi disable VAAPI code [autodetect]
155 --disable-vda disable VDA code [autodetect]
156 --disable-vdpau disable VDPAU code [autodetect]
157 --enable-videotoolbox enable VideoToolbox code [autodetect]
159 Individual component options:
160 --disable-everything disable all components listed below
161 --disable-encoder=NAME disable encoder NAME
162 --enable-encoder=NAME enable encoder NAME
163 --disable-encoders disable all encoders
164 --disable-decoder=NAME disable decoder NAME
165 --enable-decoder=NAME enable decoder NAME
166 --disable-decoders disable all decoders
167 --disable-hwaccel=NAME disable hwaccel NAME
168 --enable-hwaccel=NAME enable hwaccel NAME
169 --disable-hwaccels disable all hwaccels
170 --disable-muxer=NAME disable muxer NAME
171 --enable-muxer=NAME enable muxer NAME
172 --disable-muxers disable all muxers
173 --disable-demuxer=NAME disable demuxer NAME
174 --enable-demuxer=NAME enable demuxer NAME
175 --disable-demuxers disable all demuxers
176 --enable-parser=NAME enable parser NAME
177 --disable-parser=NAME disable parser NAME
178 --disable-parsers disable all parsers
179 --enable-bsf=NAME enable bitstream filter NAME
180 --disable-bsf=NAME disable bitstream filter NAME
181 --disable-bsfs disable all bitstream filters
182 --enable-protocol=NAME enable protocol NAME
183 --disable-protocol=NAME disable protocol NAME
184 --disable-protocols disable all protocols
185 --enable-indev=NAME enable input device NAME
186 --disable-indev=NAME disable input device NAME
187 --disable-indevs disable input devices
188 --enable-outdev=NAME enable output device NAME
189 --disable-outdev=NAME disable output device NAME
190 --disable-outdevs disable output devices
191 --disable-devices disable all devices
192 --enable-filter=NAME enable filter NAME
193 --disable-filter=NAME disable filter NAME
194 --disable-filters disable all filters
196 External library support:
197 --enable-avisynth enable reading of AviSynth script files [no]
198 --disable-bzlib disable bzlib [autodetect]
199 --enable-chromaprint enable audio fingerprinting with chromaprint [no]
200 --enable-fontconfig enable fontconfig, useful for drawtext filter [no]
201 --enable-frei0r enable frei0r video filtering [no]
202 --enable-gcrypt enable gcrypt, needed for rtmp(t)e support
203 if openssl, librtmp or gmp is not used [no]
204 --enable-gmp enable gmp, needed for rtmp(t)e support
205 if openssl or librtmp is not used [no]
206 --enable-gnutls enable gnutls, needed for https support
207 if openssl is not used [no]
208 --disable-iconv disable iconv [autodetect]
209 --enable-ladspa enable LADSPA audio filtering [no]
210 --enable-libaacplus enable AAC+ encoding via libaacplus [no]
211 --enable-libass enable libass subtitles rendering,
212 needed for subtitles and ass filter [no]
213 --enable-libbluray enable BluRay reading using libbluray [no]
214 --enable-libbs2b enable bs2b DSP library [no]
215 --enable-libcaca enable textual display using libcaca [no]
216 --enable-libcelt enable CELT decoding via libcelt [no]
217 --enable-libcdio enable audio CD grabbing with libcdio [no]
218 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
220 --enable-libdcadec enable DCA decoding via libdcadec [no]
221 --enable-libfaac enable AAC encoding via libfaac [no]
222 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
223 --enable-libflite enable flite (voice synthesis) support via libflite [no]
224 --enable-libfreetype enable libfreetype, needed for drawtext filter [no]
225 --enable-libfribidi enable libfribidi, improves drawtext filter [no]
226 --enable-libgme enable Game Music Emu via libgme [no]
227 --enable-libgsm enable GSM de/encoding via libgsm [no]
228 --enable-libiec61883 enable iec61883 via libiec61883 [no]
229 --enable-libilbc enable iLBC de/encoding via libilbc [no]
230 --enable-libkvazaar enable HEVC encoding via libkvazaar [no]
231 --enable-libmfx enable HW acceleration through libmfx
232 --enable-libmodplug enable ModPlug via libmodplug [no]
233 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
234 --enable-libnut enable NUT (de)muxing via libnut,
235 native (de)muxer exists [no]
236 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
237 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
238 --enable-libopencv enable video filtering via libopencv [no]
239 --enable-libopenh264 enable H.264 encoding via OpenH264 [no]
240 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
241 --enable-libopus enable Opus de/encoding via libopus [no]
242 --enable-libpulse enable Pulseaudio input via libpulse [no]
243 --enable-librubberband enable rubberband needed for rubberband filter [no]
244 --enable-libquvi enable quvi input via libquvi [no]
245 --enable-librtmp enable RTMP[E] support via librtmp [no]
246 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
247 --enable-libshine enable fixed-point MP3 encoding via libshine [no]
248 --enable-libsmbclient enable Samba protocol via libsmbclient [no]
249 --enable-libsnappy enable Snappy compression, needed for hap encoding [no]
250 --enable-libsoxr enable Include libsoxr resampling [no]
251 --enable-libspeex enable Speex de/encoding via libspeex [no]
252 --enable-libssh enable SFTP protocol via libssh [no]
253 --enable-libstagefright-h264 enable H.264 decoding via libstagefright [no]
254 --enable-libtesseract enable Tesseract, needed for ocr filter [no]
255 --enable-libtheora enable Theora encoding via libtheora [no]
256 --enable-libtwolame enable MP2 encoding via libtwolame [no]
257 --enable-libutvideo enable Ut Video encoding and decoding via libutvideo [no]
258 --enable-libv4l2 enable libv4l2/v4l-utils [no]
259 --enable-libvidstab enable video stabilization using vid.stab [no]
260 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [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-mmal enable decoding via MMAL [no]
282 --enable-netcdf enable NetCDF, needed for sofalizer filter [no]
283 --enable-nvenc enable NVIDIA NVENC support [no]
284 --enable-openal enable OpenAL 1.1 capture support [no]
285 --enable-opencl enable OpenCL code
286 --enable-opengl enable OpenGL rendering [no]
287 --enable-openssl enable openssl, needed for https support
288 if gnutls is not used [no]
289 --disable-schannel disable SChannel SSP, needed for TLS support on
290 Windows if openssl and gnutls are not used [autodetect]
291 --disable-sdl disable sdl [autodetect]
292 --disable-securetransport disable Secure Transport, needed for TLS support
293 on OSX if openssl and gnutls are not used [autodetect]
294 --enable-x11grab enable X11 grabbing (legacy) [no]
295 --disable-xlib disable xlib [autodetect]
296 --disable-zlib disable zlib [autodetect]
299 --arch=ARCH select architecture [$arch]
300 --cpu=CPU select the minimum required CPU (affects
301 instruction selection, may crash on older CPUs)
302 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
303 --progs-suffix=SUFFIX program name suffix []
304 --enable-cross-compile assume a cross-compiler is used
305 --sysroot=PATH root of cross-build tree
306 --sysinclude=PATH location of cross-build system headers
307 --target-os=OS compiler targets OS [$target_os]
308 --target-exec=CMD command to run executables on target
309 --target-path=DIR path to view of build directory on target
310 --target-samples=DIR path to samples directory on target
311 --tempprefix=PATH force fixed dir/prefix instead of mktemp for checks
312 --toolchain=NAME set tool defaults according to NAME
313 --nm=NM use nm tool NM [$nm_default]
314 --ar=AR use archive tool AR [$ar_default]
315 --as=AS use assembler AS [$as_default]
316 --windres=WINDRES use windows resource compiler WINDRES [$windres_default]
317 --yasmexe=EXE use yasm-compatible assembler EXE [$yasmexe_default]
318 --cc=CC use C compiler CC [$cc_default]
319 --cxx=CXX use C compiler CXX [$cxx_default]
320 --objcc=OCC use ObjC compiler OCC [$cc_default]
321 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
322 --ld=LD use linker LD [$ld_default]
323 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
324 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
325 --ranlib=RANLIB use ranlib RANLIB [$ranlib_default]
326 --doxygen=DOXYGEN use DOXYGEN to generate API doc [$doxygen_default]
327 --host-cc=HOSTCC use host C compiler HOSTCC
328 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
329 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
330 --host-ld=HOSTLD use host linker HOSTLD
331 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
332 --host-libs=HLIBS use libs HLIBS when linking for host
333 --host-os=OS compiler host OS [$target_os]
334 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
335 --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
336 --extra-objcflags=FLAGS add FLAGS to OBJCFLAGS [$CFLAGS]
337 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
338 --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
339 --extra-ldlibflags=ELDFLAGS add ELDFLAGS to LDLIBFLAGS [$LDLIBFLAGS]
340 --extra-libs=ELIBS add ELIBS [$ELIBS]
341 --extra-version=STRING version string suffix []
342 --optflags=OPTFLAGS override optimization-related compiler flags
343 --build-suffix=SUFFIX library name suffix []
344 --enable-pic build position-independent code
345 --enable-thumb compile for Thumb instruction set
346 --enable-lto use link-time optimization
347 --env="ENV=override" override the environment variables
349 Advanced options (experts only):
350 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
351 --custom-allocator=NAME use a supported custom allocator
352 --disable-symver disable symbol versioning
353 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
354 --disable-safe-bitstream-reader
355 disable buffer boundary checking in bitreaders
356 (faster, but may crash)
357 --enable-memalign-hack emulate memalign, interferes with memory debuggers
358 --sws-max-filter-size=N the max filter size swscale uses [$sws_max_filter_size_default]
360 Optimization options (experts only):
361 --disable-asm disable all assembly optimizations
362 --disable-altivec disable AltiVec optimizations
363 --disable-vsx disable VSX optimizations
364 --disable-power8 disable POWER8 optimizations
365 --disable-amd3dnow disable 3DNow! optimizations
366 --disable-amd3dnowext disable 3DNow! extended optimizations
367 --disable-mmx disable MMX optimizations
368 --disable-mmxext disable MMXEXT optimizations
369 --disable-sse disable SSE optimizations
370 --disable-sse2 disable SSE2 optimizations
371 --disable-sse3 disable SSE3 optimizations
372 --disable-ssse3 disable SSSE3 optimizations
373 --disable-sse4 disable SSE4 optimizations
374 --disable-sse42 disable SSE4.2 optimizations
375 --disable-avx disable AVX optimizations
376 --disable-xop disable XOP optimizations
377 --disable-fma3 disable FMA3 optimizations
378 --disable-fma4 disable FMA4 optimizations
379 --disable-avx2 disable AVX2 optimizations
380 --disable-aesni disable AESNI optimizations
381 --disable-armv5te disable armv5te optimizations
382 --disable-armv6 disable armv6 optimizations
383 --disable-armv6t2 disable armv6t2 optimizations
384 --disable-vfp disable VFP optimizations
385 --disable-neon disable NEON optimizations
386 --disable-inline-asm disable use of inline assembly
387 --disable-yasm disable use of nasm/yasm assembly
388 --disable-mipsdsp disable MIPS DSP ASE R1 optimizations
389 --disable-mipsdspr2 disable MIPS DSP ASE R2 optimizations
390 --disable-msa disable MSA optimizations
391 --disable-mipsfpu disable floating point MIPS optimizations
392 --disable-mmi disable Loongson SIMD optimizations
393 --disable-fast-unaligned consider unaligned accesses slow
395 Developer options (useful when working on FFmpeg itself):
396 --disable-debug disable debugging symbols
397 --enable-debug=LEVEL set the debug level [$debuglevel]
398 --disable-optimizations disable compiler optimizations
399 --enable-extra-warnings enable more compiler warnings
400 --disable-stripping disable stripping of executables and shared libraries
401 --assert-level=level 0(default), 1 or 2, amount of assertion testing,
402 2 causes a slowdown at runtime.
403 --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
404 --valgrind=VALGRIND run "make fate" tests through valgrind to detect memory
405 leaks and errors, using the specified valgrind binary.
406 Cannot be combined with --target-exec
407 --enable-ftrapv Trap arithmetic overflows
408 --samples=PATH location of test samples for FATE, if not set use
409 \$FATE_SAMPLES at make invocation time.
410 --enable-neon-clobber-test check NEON registers for clobbering (should be
411 used only for debugging purposes)
412 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
413 should be used only for debugging purposes)
414 --enable-random randomly enable/disable components
416 --enable-random=LIST randomly enable/disable specific components or
417 --disable-random=LIST component groups. LIST is a comma-separated list
418 of NAME[:PROB] entries where NAME is a component
419 (group) and PROB the probability associated with
421 --random-seed=VALUE seed value for --enable/disable-random
422 --disable-valgrind-backtrace do not print a backtrace under Valgrind
423 (only applies to --disable-optimizations builds)
425 NOTE: Object files are built at the place where configure is launched.
431 if test -t 1 && which tput >/dev/null 2>&1; then
432 ncolors=$(tput colors)
433 if test -n "$ncolors" && test $ncolors -ge 8; then
434 bold_color=$(tput bold)
435 warn_color=$(tput setaf 3)
436 error_color=$(tput setaf 1)
437 reset_color=$(tput sgr0)
439 # 72 used instead of 80 since that's the default of pr
445 echo "$@" >> $logfile
450 pr -n -t $1 >> $logfile
456 WARNINGS="${WARNINGS}WARNING: $*\n"
461 echo "$error_color$bold_color$@$reset_color"
464 If you think configure made a mistake, make sure you are using the latest
465 version from Git. If the latest version fails, report the problem to the
466 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
468 if disabled logging; then
470 Rerun configure with logging enabled (do not use --disable-logging), and
471 include the log this produces with your report.
475 Include the log file "$logfile" produced by configure as this will help
482 # Avoid locale weirdness, besides we really just want to translate ASCII.
484 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
488 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
492 echo "$*" | sed 's/["\\]/\\\0/g'
496 v=$(echo "$1" | sed "s/'/'\\\\''/g")
497 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
502 echo "$@" | sed 's/^ *//;s/[[:space:]][[:space:]]*/ /g;s/ *$//'
509 eval "case $v in $pat) echo $v ;; esac"
517 eval "case $v in $pat) ;; *) echo $v ;; esac"
524 for v; do eval $m; done
530 for v; do echo ${v}${suffix}; done
545 eval : \${$var:=$value}
550 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
556 eval $(sanitize_var_name "$var")='$*'
560 eval echo \$$(sanitize_var_name "$1")
565 eval level=\${${pvar}_level:=0}
566 eval ${pvar}_${level}="\$$pvar"
567 eval ${pvar}_level=$(($level+1))
573 eval level=\${${pvar}_level:-0}
574 test $level = 0 && continue
575 eval level=$(($level-1))
576 eval $pvar="\${${pvar}_${level}}"
577 eval ${pvar}_level=$level
578 eval unset ${pvar}_${level}
600 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
606 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
612 enabled $var && continue
613 eval sel="\$${var}_select"
614 eval sgs="\$${var}_suggest"
618 enable_deep_weak $sgs
630 disabled $var && continue
639 test "${1#!}" = "$1" && op='=' || op=!=
640 eval test "x\$${1#!}" $op "xyes"
644 test "${1#!}" = "$1" && op='=' || op=!=
645 eval test "x\$${1#!}" $op "xno"
650 enabled $opt || return 1
656 disabled $opt || return 1
662 enabled $opt && return 0
668 disabled $opt && return 0
675 eval : \${$opt:=\$${opt}_default}
683 [ $var = $value ] && return 0
691 enabled ${cfg}_checking && die "Circular dependency for $cfg."
692 disabled ${cfg}_checking && continue
693 enable ${cfg}_checking
696 eval dep_all="\$${cfg}_deps"
697 eval dep_any="\$${cfg}_deps_any"
698 eval dep_sel="\$${cfg}_select"
699 eval dep_sgs="\$${cfg}_suggest"
700 eval dep_ifa="\$${cfg}_if"
701 eval dep_ifn="\$${cfg}_if_any"
703 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
704 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
705 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
707 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
708 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
709 enabled_all $dep_all || disable $cfg
710 enabled_any $dep_any || disable $cfg
711 disabled_any $dep_sel && disable $cfg
713 if enabled $cfg; then
715 enable_deep_weak $dep_sgs
718 disable ${cfg}_checking
727 for cfg in $allopts; do
728 enabled $cfg || continue
729 eval dep_extralibs="\$${cfg}_extralibs"
730 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
738 map 'eval echo "$v \${$v:-no}"' "$@" |
739 awk "BEGIN { split(\"$files\", files) }
741 c = \"$pfx\" toupper(\$1);
747 if (file ~ /\\.h\$/) {
748 printf(\"#define %s %d\\n\", c, v) >>file;
749 } else if (file ~ /\\.asm\$/) {
750 printf(\"%%define %s %d\\n\", c, v) >>file;
751 } else if (file ~ /\\.mak\$/) {
752 n = -v ? \"\" : \"!\";
753 printf(\"%s%s=yes\\n\", n, c) >>file;
754 } else if (file ~ /\\.texi\$/) {
755 pre = -v ? \"\" : \"@c \";
758 gsub(/_/, \"-\", c2);
759 printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
769 enabled $v && printf "%s\n" ${v%$suf};
776 eval "$var=\"\$$var $*\""
782 eval "$var=\"$* \$$var\""
788 for tok in $(eval echo \$$var); do
789 uniq_list="$(filter_out $tok $uniq_list) $tok"
791 eval "$var=\"${uniq_list}\""
799 append CFLAGS $($cflags_filter "$@")
803 append CXXFLAGS $($cflags_filter "$@")
807 append ASFLAGS $($asflags_filter "$@")
811 append OBJCFLAGS $($objcflags_filter "$@")
815 append LDFLAGS $($ldflags_filter "$@")
819 append LDEXEFLAGS $($ldflags_filter "$@")
823 append LDLIBFLAGS $($ldflags_filter "$@")
827 append ASMSTRIPFLAGS "$@"
831 prepend extralibs $($ldflags_filter "$@")
835 append host_cppflags "$@"
839 append host_cflags $($host_cflags_filter "$@")
843 append host_ldflags $($host_ldflags_filter "$@")
847 append compat_objs $1
849 map 'add_cppflags -D$v' "$@"
854 "$@" >> $logfile 2>&1
859 stat "$1" >> $logfile 2>&1
863 eval printf '%s\\n' $CC_O
867 eval printf '%s\\n' $CC_E
874 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
881 check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
888 check_cmd $objcc -Werror=missing-prototypes $CPPFLAGS $CFLAGS $OBJCFLAGS "$@" $OBJCC_C $(cc_o $TMPO) $TMPM
895 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
899 eval printf '%s\\n' $AS_O
906 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
910 log check_inline_asm "$@"
915 check_cc "$@" <<EOF && enable $name
916 void foo(void){ __asm__ volatile($code); }
922 check_inline_asm ${1}_inline "\"$2\""
923 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
931 check_cmd $yasmexe $YASMFLAGS -Werror "$@" -o $TMPO $TMPS
935 eval printf '%s\\n' $LD_O
942 flags=$(filter_out '-l*|*.so' $@)
943 libs=$(filter '-l*|*.so' $@)
944 check_$type $($cflags_filter $flags) || return
945 flags=$($ldflags_filter $flags)
946 libs=$($ldflags_filter $libs)
947 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
952 test "${hdr%.h}" = "${hdr}" &&
953 echo "#include $hdr" ||
954 echo "#include <$hdr>"
964 for hdr in $headers; do
967 echo "int main(void) { $code; return 0; }"
968 } | check_$check "$@"
972 log check_cppflags "$@"
973 check_cc "$@" <<EOF && append CPPFLAGS "$@"
980 set -- $($cflags_filter "$@")
987 log check_cflags "$@"
988 test_cflags "$@" && add_cflags "$@"
992 log check_cxxflags "$@"
993 set -- $($cflags_filter "$@")
994 check_cxx "$@" <<EOF && append CXXFLAGS "$@"
1000 log test_cflags "$@"
1001 set -- $($cflags_filter "$@")
1002 check_objcc "$@" <<EOF
1008 log check_cflags "$@"
1009 test_objcflags "$@" && add_objcflags "$@"
1013 log test_ldflags "$@"
1014 check_ld "cc" "$@" <<EOF
1015 int main(void){ return 0; }
1020 log check_ldflags "$@"
1021 test_ldflags "$@" && add_ldflags "$@"
1025 log test_stripflags "$@"
1026 # call check_cc to get a fresh TMPO
1028 int main(void) { return 0; }
1030 check_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO
1034 log check_stripflags "$@"
1035 test_stripflags "$@" && add_stripflags "$@"
1039 log check_header "$@"
1042 disable_safe $header
1043 check_cpp "$@" <<EOF && enable_safe $header
1049 check_header_objcc(){
1050 log check_header_objcc "$@"
1054 disable_safe $header
1056 echo "#include <$header>"
1057 echo "int main(void) { return 0; }"
1058 } | check_objcc && check_stat "$TMPO" && enable_safe $headers
1066 check_ld "cc" "$@" <<EOF && enable $func
1068 int main(void){ $func(); }
1072 check_complexfunc(){
1073 log check_complexfunc "$@"
1077 test $narg = 2 && args="f, g" || args="f * I"
1079 check_ld "cc" "$@" <<EOF && enable $func
1080 #include <complex.h>
1082 float foo(complex float f, complex float g) { return $func($args); }
1083 int main(void){ return (int) foo; }
1088 log check_mathfunc "$@"
1092 test $narg = 2 && args="f, g" || args="f"
1094 check_ld "cc" "$@" <<EOF && enable $func
1096 float foo(float f, float g) { return $func($args); }
1097 int main(void){ return (int) foo; }
1101 check_func_headers(){
1102 log check_func_headers "$@"
1107 for hdr in $headers; do
1110 for func in $funcs; do
1111 echo "long check_$func(void) { return (long) $func; }"
1113 echo "int main(void) { return 0; }"
1114 } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
1117 check_class_headers_cpp(){
1118 log check_class_headers_cpp "$@"
1123 for hdr in $headers; do
1124 echo "#include <$hdr>"
1126 echo "int main(void) { "
1128 for class in $classes; do
1129 echo "$class obj$i;"
1133 } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
1136 check_cpp_condition(){
1137 log check_cpp_condition "$@"
1141 check_cpp "$@" <<EOF
1144 #error "unsatisfied condition: $condition"
1154 check_header $header && check_func $func "$@" && add_extralibs "$@"
1162 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
1166 log check_lib_cpp "$@"
1170 check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
1174 log check_pkg_config "$@"
1180 check_cmd $pkg_config --exists --print-errors $pkgandversion || return
1181 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1182 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1183 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1184 set_safe "${pkg}_cflags" $pkg_cflags &&
1185 set_safe "${pkg}_libs" $pkg_libs
1189 check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1195 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1196 # are safe but may not be available everywhere. Thus we use
1197 # raise(SIGTERM) instead. The check is run in a subshell so we
1198 # can redirect the "Terminated" message from the shell. SIGBUS
1199 # is not defined by standard C so it is used conditionally.
1201 (check_exec "$@") >> $logfile 2>&1 <<EOF
1203 static void sighandler(int sig){
1209 int (*func_ptr)(void) = foo;
1211 signal(SIGILL, sighandler);
1212 signal(SIGFPE, sighandler);
1213 signal(SIGSEGV, sighandler);
1215 signal(SIGBUS, sighandler);
1227 disable_safe "$type"
1228 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1232 log check_struct "$@"
1237 disable_safe "${struct}_${member}"
1238 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1239 enable_safe "${struct}_${member}"
1243 log check_builtin "$@"
1249 check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1252 check_compile_assert(){
1253 log check_compile_assert "$@"
1259 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1267 check_lib $header $func "$@" || die "ERROR: $name not found"
1275 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1283 check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1288 check_pkg_config "$@" || return 1
1289 add_cflags $(get_safe "${pkg}_cflags")
1290 add_extralibs $(get_safe "${pkg}_libs")
1293 require_pkg_config(){
1294 use_pkg_config "$@" || die "ERROR: $pkg not found using pkg-config$pkg_config_fail_message"
1297 require_libfreetype(){
1298 log require_libfreetype "$@"
1300 check_cmd $pkg_config --exists --print-errors $pkg \
1301 || die "ERROR: $pkg not found"
1302 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1303 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1305 echo "#include <ft2build.h>"
1306 echo "#include FT_FREETYPE_H"
1307 echo "long check_func(void) { return (long) FT_Init_FreeType; }"
1308 echo "int main(void) { return 0; }"
1309 } | check_ld "cc" $pkg_cflags $pkg_libs \
1310 && set_safe "${pkg}_cflags" $pkg_cflags \
1311 && set_safe "${pkg}_libs" $pkg_libs \
1312 || die "ERROR: $pkg not found"
1313 add_cflags $(get_safe "${pkg}_cflags")
1314 add_extralibs $(get_safe "${pkg}_libs")
1318 eval printf '%s\\n' $HOSTCC_E
1322 eval printf '%s\\n' $HOSTCC_O
1326 log check_host_cc "$@"
1329 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1333 log check_host_cpp "$@"
1336 check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1339 check_host_cppflags(){
1340 log check_host_cppflags "$@"
1341 check_host_cc "$@" <<EOF && append host_cppflags "$@"
1346 check_host_cflags(){
1347 log check_host_cflags "$@"
1348 set -- $($host_cflags_filter "$@")
1349 check_host_cc "$@" <<EOF && append host_cflags "$@"
1354 check_host_cpp_condition(){
1355 log check_host_cpp_condition "$@"
1359 check_host_cpp "$@" <<EOF
1362 #error "unsatisfied condition: $condition"
1368 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1369 mkdir -p "$(dirname $2)"
1373 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1374 # system-dependent things.
1376 AVCODEC_COMPONENTS="
1384 AVDEVICE_COMPONENTS="
1388 AVFILTER_COMPONENTS="
1391 AVFORMAT_COMPONENTS="
1397 AVRESAMPLE_COMPONENTS=""
1398 AVUTIL_COMPONENTS=""
1402 $AVDEVICE_COMPONENTS
1403 $AVFILTER_COMPONENTS
1404 $AVFORMAT_COMPONENTS
1405 $AVRESAMPLE_COMPONENTS
1410 avio_reading_example
1411 avio_dir_cmd_example
1412 decoding_encoding_example
1413 demuxing_decoding_example
1415 filter_audio_example
1416 filtering_audio_example
1417 filtering_video_example
1422 resampling_audio_example
1423 scaling_video_example
1424 transcode_aac_example
1428 EXTERNAL_LIBRARY_LIST="
1534 safe_bitstream_reader
1595 $EXTERNAL_LIBRARY_LIST
1603 incompatible_libav_abi
1665 ARCH_EXT_LIST_MIPS="
1675 ARCH_EXT_LIST_LOONGSON="
1681 ARCH_EXT_LIST_X86_SIMD="
1710 $ARCH_EXT_LIST_X86_SIMD
1720 $ARCH_EXT_LIST_LOONGSON
1736 atomic_compare_exchange
1742 sync_val_compare_and_swap
1753 incompatible_libav_abi
1762 cdio_paranoia_paranoia_h
1763 dev_bktr_ioctl_bt848_h
1764 dev_bktr_ioctl_meteor_h
1766 dev_video_bktr_ioctl_bt848_h
1767 dev_video_meteor_ioctl_meteor_h
1777 machine_ioctl_bt848_h
1778 machine_ioctl_meteor_h
1780 openjpeg_1_5_openjpeg_h
1856 GetProcessAffinityMask
1857 GetProcessMemoryInfo
1860 GetSystemTimeAsFileTime
1867 jack_port_get_latency_range
1883 SetConsoleTextAttribute
1884 SetConsoleCtrlHandler
1892 UTGetOSTypeFromString
1897 TOOLCHAIN_FEATURES="
1910 inline_asm_nonlocal_labels
1911 inline_asm_direct_symbol_refs
1922 CONDITION_VARIABLE_Ptr
1925 struct_group_source_req
1926 struct_ip_mreq_source
1929 struct_rusage_ru_maxrss
1930 struct_sctp_event_subscribe
1932 struct_sockaddr_sa_len
1933 struct_sockaddr_storage
1934 struct_stat_st_mtim_tv_nsec
1935 struct_v4l2_frmivalenum_discrete
1940 $(add_suffix _external $ARCH_EXT_LIST)
1941 $(add_suffix _inline $ARCH_EXT_LIST)
1976 # options emitted with CONFIG_ prefix but not available on the command line
1992 frame_thread_encoder
2134 # code dependency declarations
2136 # architecture extensions
2141 armv8_deps="aarch64"
2142 neon_deps_any="aarch64 arm"
2143 intrinsics_neon_deps="neon"
2144 vfp_deps_any="aarch64 arm"
2148 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
2152 mipsdspr2_deps="mips"
2153 mips32r2_deps="mips"
2154 mips64r2_deps="mips"
2155 mips64r6_deps="mips"
2167 x86_64_select="i686"
2168 x86_64_suggest="fast_cmov"
2171 amd3dnowext_deps="amd3dnow"
2188 mmx_external_deps="yasm"
2189 mmx_inline_deps="inline_asm"
2190 mmx_suggest="mmx_external mmx_inline"
2192 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
2193 eval dep=\$${ext}_deps
2194 eval ${ext}_external_deps='"${dep}_external"'
2195 eval ${ext}_inline_deps='"${dep}_inline"'
2196 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
2199 aligned_stack_if_any="aarch64 ppc x86"
2200 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
2201 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
2202 fast_unaligned_if_any="aarch64 ppc x86"
2203 simd_align_16_if_any="altivec neon sse"
2205 # system capabilities
2206 symver_if_any="symver_asm_label symver_gnu_asm"
2207 valgrind_backtrace_deps="!optimizations valgrind_valgrind_h"
2210 atomics_gcc_if_any="sync_val_compare_and_swap atomic_compare_exchange"
2211 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
2212 atomics_win32_if="MemoryBarrier"
2213 atomics_native_if_any="$ATOMICS_LIST"
2214 w32threads_deps="atomics_native"
2215 threads_if_any="$THREADS_LIST"
2219 error_resilience_select="me_cmp"
2220 faandct_deps="faan fdctdsp"
2221 faanidct_deps="faan idctdsp"
2222 frame_thread_encoder_deps="encoders threads"
2223 intrax8_select="error_resilience"
2226 me_cmp_select="fdctdsp idctdsp pixblockdsp"
2227 mpeg_er_select="error_resilience"
2228 mpegaudio_select="mpegaudiodsp"
2229 mpegaudiodsp_select="dct"
2230 mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp mpeg_er videodsp"
2231 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
2235 # decoders / encoders
2236 aac_decoder_select="imdct15 mdct sinewin"
2237 aac_fixed_decoder_select="mdct sinewin"
2238 aac_encoder_select="audio_frame_queue iirfilter lpc mdct sinewin"
2239 aac_latm_decoder_select="aac_decoder aac_latm_parser"
2240 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
2241 ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"
2242 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
2243 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
2244 adpcm_g722_decoder_select="g722dsp"
2245 adpcm_g722_encoder_select="g722dsp"
2246 aic_decoder_select="golomb idctdsp"
2247 alac_encoder_select="lpc"
2248 als_decoder_select="bswapdsp"
2249 amrnb_decoder_select="lsp"
2250 amrwb_decoder_select="lsp"
2251 amv_decoder_select="sp5x_decoder exif"
2252 amv_encoder_select="aandcttables jpegtables mpegvideoenc"
2253 ape_decoder_select="bswapdsp llauddsp"
2254 apng_decoder_select="zlib"
2255 apng_encoder_select="huffyuvencdsp zlib"
2256 asv1_decoder_select="blockdsp bswapdsp idctdsp"
2257 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
2258 asv2_decoder_select="blockdsp bswapdsp idctdsp"
2259 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
2260 atrac1_decoder_select="mdct sinewin"
2261 atrac3_decoder_select="mdct"
2262 atrac3p_decoder_select="mdct sinewin"
2263 avrn_decoder_select="exif jpegtables"
2264 bink_decoder_select="blockdsp hpeldsp"
2265 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
2266 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
2267 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
2268 cllc_decoder_select="bswapdsp"
2269 comfortnoise_encoder_select="lpc"
2270 cook_decoder_select="audiodsp mdct sinewin"
2271 cscd_decoder_select="lzo"
2272 cscd_decoder_suggest="zlib"
2273 dca_decoder_select="fmtconvert mdct"
2274 dds_decoder_select="texturedsp"
2275 dirac_decoder_select="dwt golomb videodsp mpegvideoenc"
2276 dnxhd_decoder_select="blockdsp idctdsp"
2277 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
2278 dvvideo_decoder_select="dvprofile idctdsp"
2279 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
2280 dxa_decoder_select="zlib"
2281 dxv_decoder_select="lzf texturedsp"
2282 eac3_decoder_select="ac3_decoder"
2283 eac3_encoder_select="ac3_encoder"
2284 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
2285 eatgq_decoder_select="aandcttables"
2286 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpeg1video_decoder"
2287 exr_decoder_select="zlib"
2288 ffv1_decoder_select="golomb rangecoder"
2289 ffv1_encoder_select="rangecoder"
2290 ffvhuff_decoder_select="huffyuv_decoder"
2291 ffvhuff_encoder_select="huffyuv_encoder"
2292 fic_decoder_select="golomb"
2293 flac_decoder_select="flacdsp golomb"
2294 flac_encoder_select="bswapdsp flacdsp golomb lpc"
2295 flashsv_decoder_select="zlib"
2296 flashsv_encoder_select="zlib"
2297 flashsv2_encoder_select="zlib"
2298 flashsv2_decoder_select="zlib"
2299 flv_decoder_select="h263_decoder"
2300 flv_encoder_select="h263_encoder"
2301 fourxm_decoder_select="blockdsp bswapdsp"
2302 fraps_decoder_select="bswapdsp huffman"
2303 g2m_decoder_select="blockdsp idctdsp jpegtables zlib"
2304 g729_decoder_select="audiodsp"
2305 h261_decoder_select="mpegvideo"
2306 h261_encoder_select="aandcttables mpegvideoenc"
2307 h263_decoder_select="h263_parser h263dsp mpegvideo qpeldsp"
2308 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
2309 h263i_decoder_select="h263_decoder"
2310 h263p_decoder_select="h263_decoder"
2311 h263p_encoder_select="h263_encoder"
2312 h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel startcode videodsp"
2313 h264_decoder_suggest="error_resilience"
2314 h264_qsv_decoder_deps="libmfx"
2315 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
2316 h264_qsv_encoder_deps="libmfx"
2317 h264_qsv_encoder_select="qsvenc"
2318 hap_decoder_select="snappy texturedsp"
2319 hap_encoder_deps="libsnappy"
2320 hap_encoder_select="texturedspenc"
2321 hevc_decoder_select="bswapdsp cabac golomb videodsp"
2322 hevc_qsv_encoder_deps="libmfx"
2323 hevc_qsv_decoder_deps="libmfx"
2324 hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec hevc_qsv_hwaccel"
2325 hevc_qsv_encoder_select="qsvenc"
2326 huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"
2327 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llviddsp"
2328 iac_decoder_select="imc_decoder"
2329 imc_decoder_select="bswapdsp fft mdct sinewin"
2330 indeo3_decoder_select="hpeldsp"
2331 indeo4_decoder_select="ividsp"
2332 indeo5_decoder_select="ividsp"
2333 interplay_video_decoder_select="hpeldsp"
2334 jpegls_decoder_select="golomb mjpeg_decoder"
2335 jpegls_encoder_select="golomb"
2336 jv_decoder_select="blockdsp"
2337 lagarith_decoder_select="huffyuvdsp"
2338 ljpeg_encoder_select="aandcttables idctdsp jpegtables"
2339 loco_decoder_select="golomb"
2340 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2341 metasound_decoder_select="lsp mdct sinewin"
2342 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2343 mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"
2344 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
2345 mjpegb_decoder_select="mjpeg_decoder"
2346 mlp_decoder_select="mlp_parser"
2347 motionpixels_decoder_select="bswapdsp"
2348 mp1_decoder_select="mpegaudio"
2349 mp1float_decoder_select="mpegaudio"
2350 mp2_decoder_select="mpegaudio"
2351 mp2float_decoder_select="mpegaudio"
2352 mp3_decoder_select="mpegaudio"
2353 mp3adu_decoder_select="mpegaudio"
2354 mp3adufloat_decoder_select="mpegaudio"
2355 mp3float_decoder_select="mpegaudio"
2356 mp3on4_decoder_select="mpegaudio"
2357 mp3on4float_decoder_select="mpegaudio"
2358 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2359 mpc8_decoder_select="mpegaudiodsp"
2360 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
2361 mpeg_xvmc_decoder_select="mpeg2video_decoder"
2362 mpegvideo_decoder_select="mpegvideo"
2363 mpeg1video_decoder_select="mpegvideo"
2364 mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"
2365 mpeg2video_decoder_select="mpegvideo"
2366 mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"
2367 mpeg2_qsv_decoder_deps="libmfx"
2368 mpeg2_qsv_decoder_select="qsvdec mpeg2_qsv_hwaccel"
2369 mpeg2_qsv_encoder_deps="libmfx"
2370 mpeg2_qsv_encoder_select="qsvenc"
2371 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2372 mpeg4_encoder_select="h263_encoder"
2373 msa1_decoder_select="mss34dsp"
2374 msmpeg4v1_decoder_select="h263_decoder"
2375 msmpeg4v2_decoder_select="h263_decoder"
2376 msmpeg4v2_encoder_select="h263_encoder"
2377 msmpeg4v3_decoder_select="h263_decoder"
2378 msmpeg4v3_encoder_select="h263_encoder"
2379 mss2_decoder_select="vc1_decoder"
2380 mts2_decoder_select="mss34dsp"
2381 mxpeg_decoder_select="mjpeg_decoder"
2382 nellymoser_decoder_select="mdct sinewin"
2383 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2384 nuv_decoder_select="idctdsp lzo"
2385 on2avc_decoder_select="mdct"
2386 opus_decoder_deps="swresample"
2387 opus_decoder_select="imdct15"
2388 png_decoder_select="zlib"
2389 png_encoder_select="huffyuvencdsp zlib"
2390 prores_decoder_select="blockdsp idctdsp"
2391 prores_encoder_select="fdctdsp"
2392 qcelp_decoder_select="lsp"
2393 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2394 ra_144_encoder_select="audio_frame_queue lpc audiodsp"
2395 ra_144_decoder_select="audiodsp"
2396 ralf_decoder_select="golomb"
2397 rawvideo_decoder_select="bswapdsp"
2398 rscc_decoder_select="zlib"
2399 rtjpeg_decoder_select="me_cmp"
2400 rv10_decoder_select="h263_decoder"
2401 rv10_encoder_select="h263_encoder"
2402 rv20_decoder_select="h263_decoder"
2403 rv20_encoder_select="h263_encoder"
2404 rv30_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2405 rv40_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2406 screenpresso_decoder_select="zlib"
2407 shorten_decoder_select="golomb"
2408 sipr_decoder_select="lsp"
2409 snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"
2410 snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"
2411 sonic_decoder_select="golomb rangecoder"
2412 sonic_encoder_select="golomb rangecoder"
2413 sonic_ls_encoder_select="golomb rangecoder"
2414 sp5x_decoder_select="mjpeg_decoder"
2415 svq1_decoder_select="hpeldsp"
2416 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2417 svq3_decoder_select="h264_decoder hpeldsp tpeldsp"
2418 svq3_decoder_suggest="zlib"
2419 tak_decoder_select="audiodsp"
2420 tdsc_decoder_select="zlib mjpeg_decoder"
2421 theora_decoder_select="vp3_decoder"
2422 thp_decoder_select="mjpeg_decoder"
2423 tiff_decoder_suggest="zlib lzma"
2424 tiff_encoder_suggest="zlib"
2425 truehd_decoder_select="mlp_parser"
2426 truemotion2_decoder_select="bswapdsp"
2427 truespeech_decoder_select="bswapdsp"
2428 tscc_decoder_select="zlib"
2429 twinvq_decoder_select="mdct lsp sinewin"
2430 txd_decoder_select="texturedsp"
2431 utvideo_decoder_select="bswapdsp"
2432 utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"
2433 vble_decoder_select="huffyuvdsp"
2434 vc1_decoder_select="blockdsp h263_decoder h264qpel intrax8 qpeldsp startcode"
2435 vc1image_decoder_select="vc1_decoder"
2436 vc1_qsv_decoder_deps="libmfx"
2437 vc1_qsv_decoder_select="qsvdec vc1_qsv_hwaccel"
2438 vorbis_decoder_select="mdct"
2439 vorbis_encoder_select="mdct"
2440 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2441 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"
2442 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"
2443 vp6a_decoder_select="vp6_decoder"
2444 vp6f_decoder_select="vp6_decoder"
2445 vp7_decoder_select="h264pred videodsp vp8dsp"
2446 vp8_decoder_select="h264pred videodsp vp8dsp"
2447 vp9_decoder_select="videodsp vp9_parser"
2448 webp_decoder_select="vp8_decoder"
2449 wmalossless_decoder_select="llauddsp"
2450 wmapro_decoder_select="mdct sinewin wma_freqs"
2451 wmav1_decoder_select="mdct sinewin wma_freqs"
2452 wmav1_encoder_select="mdct sinewin wma_freqs"
2453 wmav2_decoder_select="mdct sinewin wma_freqs"
2454 wmav2_encoder_select="mdct sinewin wma_freqs"
2455 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2456 wmv1_decoder_select="h263_decoder"
2457 wmv1_encoder_select="h263_encoder"
2458 wmv2_decoder_select="blockdsp h263_decoder idctdsp intrax8 videodsp wmv2dsp"
2459 wmv2_encoder_select="h263_encoder wmv2dsp"
2460 wmv3_decoder_select="vc1_decoder"
2461 wmv3image_decoder_select="wmv3_decoder"
2462 zerocodec_decoder_select="zlib"
2463 zlib_decoder_select="zlib"
2464 zlib_encoder_select="zlib"
2465 zmbv_decoder_select="zlib"
2466 zmbv_encoder_select="zlib"
2468 # hardware accelerators
2469 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
2470 d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder ID3D11VideoContext"
2471 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode"
2472 vaapi_deps="va_va_h"
2473 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
2474 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
2475 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
2476 videotoolbox_deps="VideoToolbox_VideoToolbox_h pthreads"
2477 videotoolbox_extralibs="-framework CoreFoundation -framework VideoToolbox -framework CoreMedia -framework QuartzCore -framework CoreVideo"
2478 xvmc_deps="X11_extensions_XvMClib_h"
2480 h263_vaapi_hwaccel_deps="vaapi"
2481 h263_vaapi_hwaccel_select="h263_decoder"
2482 h263_videotoolbox_hwaccel_deps="videotoolbox"
2483 h263_videotoolbox_hwaccel_select="h263_decoder"
2484 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
2485 h264_d3d11va_hwaccel_deps="d3d11va"
2486 h264_d3d11va_hwaccel_select="h264_decoder"
2487 h264_dxva2_hwaccel_deps="dxva2"
2488 h264_dxva2_hwaccel_select="h264_decoder"
2489 h264_mmal_decoder_deps="mmal"
2490 h264_mmal_hwaccel_deps="mmal"
2491 h264_mmal_decoder_select="h264_decoder"
2492 h264_mmal_encoder_deps="mmal"
2493 h264_qsv_hwaccel_deps="libmfx"
2494 h264_vaapi_hwaccel_deps="vaapi"
2495 h264_vaapi_hwaccel_select="h264_decoder"
2496 h264_vda_decoder_deps="vda"
2497 h264_vda_decoder_select="h264_decoder"
2498 h264_vda_hwaccel_deps="vda"
2499 h264_vda_hwaccel_select="h264_decoder"
2500 h264_vda_old_hwaccel_deps="vda"
2501 h264_vda_old_hwaccel_select="h264_decoder"
2502 h264_vdpau_decoder_deps="vdpau"
2503 h264_vdpau_decoder_select="h264_decoder"
2504 h264_vdpau_hwaccel_deps="vdpau"
2505 h264_vdpau_hwaccel_select="h264_decoder"
2506 h264_videotoolbox_hwaccel_deps="videotoolbox"
2507 h264_videotoolbox_hwaccel_select="h264_decoder"
2508 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2509 hevc_d3d11va_hwaccel_select="hevc_decoder"
2510 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2511 hevc_dxva2_hwaccel_select="hevc_decoder"
2512 hevc_qsv_hwaccel_deps="libmfx"
2513 hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC"
2514 hevc_vaapi_hwaccel_select="hevc_decoder"
2515 hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"
2516 hevc_vdpau_hwaccel_select="hevc_decoder"
2517 mpeg_vdpau_decoder_deps="vdpau"
2518 mpeg_vdpau_decoder_select="mpeg2video_decoder"
2519 mpeg_xvmc_hwaccel_deps="xvmc"
2520 mpeg_xvmc_hwaccel_select="mpeg2video_decoder"
2521 mpeg1_vdpau_decoder_deps="vdpau"
2522 mpeg1_vdpau_decoder_select="mpeg1video_decoder"
2523 mpeg1_vdpau_hwaccel_deps="vdpau"
2524 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2525 mpeg1_videotoolbox_hwaccel_deps="videotoolbox"
2526 mpeg1_videotoolbox_hwaccel_select="mpeg1video_decoder"
2527 mpeg1_xvmc_hwaccel_deps="xvmc"
2528 mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"
2529 mpeg2_crystalhd_decoder_select="crystalhd"
2530 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2531 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2532 mpeg2_dxva2_hwaccel_deps="dxva2"
2533 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2534 mpeg2_mmal_decoder_deps="mmal"
2535 mpeg2_mmal_hwaccel_deps="mmal"
2536 mpeg2_mmal_decoder_select="mpeg2video_decoder"
2537 mpeg2_qsv_hwaccel_deps="libmfx"
2538 mpeg2_qsv_hwaccel_select="qsvdec_mpeg2"
2539 mpeg2_vaapi_hwaccel_deps="vaapi"
2540 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2541 mpeg2_vdpau_hwaccel_deps="vdpau"
2542 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2543 mpeg2_videotoolbox_hwaccel_deps="videotoolbox"
2544 mpeg2_videotoolbox_hwaccel_select="mpeg2video_decoder"
2545 mpeg2_xvmc_hwaccel_deps="xvmc"
2546 mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"
2547 mpeg4_crystalhd_decoder_select="crystalhd"
2548 mpeg4_vaapi_hwaccel_deps="vaapi"
2549 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2550 mpeg4_vdpau_decoder_deps="vdpau"
2551 mpeg4_vdpau_decoder_select="mpeg4_decoder"
2552 mpeg4_vdpau_hwaccel_deps="vdpau"
2553 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2554 mpeg4_videotoolbox_hwaccel_deps="videotoolbox"
2555 mpeg4_videotoolbox_hwaccel_select="mpeg4_decoder"
2556 msmpeg4_crystalhd_decoder_select="crystalhd"
2557 vc1_crystalhd_decoder_select="crystalhd"
2558 vc1_d3d11va_hwaccel_deps="d3d11va"
2559 vc1_d3d11va_hwaccel_select="vc1_decoder"
2560 vc1_dxva2_hwaccel_deps="dxva2"
2561 vc1_dxva2_hwaccel_select="vc1_decoder"
2562 vc1_vaapi_hwaccel_deps="vaapi"
2563 vc1_vaapi_hwaccel_select="vc1_decoder"
2564 vc1_vdpau_decoder_deps="vdpau"
2565 vc1_vdpau_decoder_select="vc1_decoder"
2566 vc1_vdpau_hwaccel_deps="vdpau"
2567 vc1_vdpau_hwaccel_select="vc1_decoder"
2568 vc1_mmal_decoder_deps="mmal"
2569 vc1_mmal_hwaccel_deps="mmal"
2570 vc1_mmal_decoder_select="vc1_decoder"
2571 vc1_qsv_hwaccel_deps="libmfx"
2572 vc1_qsv_hwaccel_select="qsvdec_vc1"
2573 vp9_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_VP9"
2574 vp9_d3d11va_hwaccel_select="vp9_decoder"
2575 vp9_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_VP9"
2576 vp9_dxva2_hwaccel_select="vp9_decoder"
2577 wmv3_crystalhd_decoder_select="crystalhd"
2578 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2579 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2580 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2581 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2582 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2585 h264_parser_select="h264_decoder"
2586 hevc_parser_select="golomb"
2587 mpegvideo_parser_select="mpegvideo"
2588 mpeg4video_parser_select="h263dsp mpegvideo qpeldsp"
2589 vc1_parser_select="mpegvideo startcode vc1_decoder"
2592 mjpeg2jpeg_bsf_select="jpegtables"
2594 # external libraries
2595 chromaprint_muxer_deps="chromaprint"
2596 libaacplus_encoder_deps="libaacplus"
2597 libcelt_decoder_deps="libcelt"
2598 libdcadec_decoder_deps="libdcadec"
2599 libfaac_encoder_deps="libfaac"
2600 libfaac_encoder_select="audio_frame_queue"
2601 libfdk_aac_decoder_deps="libfdk_aac"
2602 libfdk_aac_encoder_deps="libfdk_aac"
2603 libfdk_aac_encoder_select="audio_frame_queue"
2604 libgme_demuxer_deps="libgme"
2605 libgsm_decoder_deps="libgsm"
2606 libgsm_encoder_deps="libgsm"
2607 libgsm_ms_decoder_deps="libgsm"
2608 libgsm_ms_encoder_deps="libgsm"
2609 libilbc_decoder_deps="libilbc"
2610 libilbc_encoder_deps="libilbc"
2611 libkvazaar_encoder_deps="libkvazaar"
2612 libmodplug_demuxer_deps="libmodplug"
2613 libmp3lame_encoder_deps="libmp3lame"
2614 libmp3lame_encoder_select="audio_frame_queue"
2615 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2616 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2617 libopencore_amrnb_encoder_select="audio_frame_queue"
2618 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2619 libopenh264_encoder_deps="libopenh264"
2620 libopenjpeg_decoder_deps="libopenjpeg"
2621 libopenjpeg_encoder_deps="libopenjpeg"
2622 libopus_decoder_deps="libopus"
2623 libopus_encoder_deps="libopus"
2624 libopus_encoder_select="audio_frame_queue"
2625 libquvi_demuxer_deps="libquvi"
2626 libschroedinger_decoder_deps="libschroedinger"
2627 libschroedinger_encoder_deps="libschroedinger"
2628 libshine_encoder_deps="libshine"
2629 libshine_encoder_select="audio_frame_queue"
2630 libspeex_decoder_deps="libspeex"
2631 libspeex_encoder_deps="libspeex"
2632 libspeex_encoder_select="audio_frame_queue"
2633 libstagefright_h264_decoder_deps="libstagefright_h264"
2634 libtheora_encoder_deps="libtheora"
2635 libtwolame_encoder_deps="libtwolame"
2636 libvo_aacenc_encoder_deps="libvo_aacenc"
2637 libvo_aacenc_encoder_select="audio_frame_queue"
2638 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2639 libvorbis_decoder_deps="libvorbis"
2640 libvorbis_encoder_deps="libvorbis"
2641 libvorbis_encoder_select="audio_frame_queue"
2642 libvpx_vp8_decoder_deps="libvpx"
2643 libvpx_vp8_encoder_deps="libvpx"
2644 libvpx_vp9_decoder_deps="libvpx"
2645 libvpx_vp9_encoder_deps="libvpx"
2646 libwavpack_encoder_deps="libwavpack"
2647 libwebp_encoder_deps="libwebp"
2648 libwebp_anim_encoder_deps="libwebp"
2649 libx262_encoder_deps="libx262"
2650 libx264_encoder_deps="libx264"
2651 libx264rgb_encoder_deps="libx264"
2652 libx264rgb_encoder_select="libx264_encoder"
2653 libx265_encoder_deps="libx265"
2654 libxavs_encoder_deps="libxavs"
2655 libxvid_encoder_deps="libxvid"
2656 libutvideo_decoder_deps="libutvideo"
2657 libutvideo_encoder_deps="libutvideo"
2658 libzvbi_teletext_decoder_deps="libzvbi"
2659 nvenc_encoder_deps="nvenc"
2660 nvenc_h264_encoder_deps="nvenc"
2661 nvenc_hevc_encoder_deps="nvenc"
2664 ac3_demuxer_select="ac3_parser"
2665 asf_demuxer_select="riffdec"
2666 asf_o_demuxer_select="riffdec"
2667 asf_muxer_select="riffenc"
2668 asf_stream_muxer_select="asf_muxer"
2669 avi_demuxer_select="riffdec exif"
2670 avi_muxer_select="riffenc"
2671 avisynth_demuxer_deps="avisynth"
2672 avisynth_demuxer_select="riffdec"
2673 caf_demuxer_select="riffdec"
2674 dash_muxer_select="mp4_muxer"
2675 dirac_demuxer_select="dirac_parser"
2676 dts_demuxer_select="dca_parser"
2677 dtshd_demuxer_select="dca_parser"
2678 dv_demuxer_select="dvprofile"
2679 dv_muxer_select="dvprofile"
2680 dxa_demuxer_select="riffdec"
2681 eac3_demuxer_select="ac3_parser"
2682 f4v_muxer_select="mov_muxer"
2683 flac_demuxer_select="flac_parser"
2684 hds_muxer_select="flv_muxer"
2685 hls_muxer_select="mpegts_muxer"
2686 image2_alias_pix_demuxer_select="image2_demuxer"
2687 image2_brender_pix_demuxer_select="image2_demuxer"
2688 ipod_muxer_select="mov_muxer"
2689 ismv_muxer_select="mov_muxer"
2690 libnut_demuxer_deps="libnut"
2691 libnut_muxer_deps="libnut"
2692 matroska_audio_muxer_select="matroska_muxer"
2693 matroska_demuxer_select="riffdec"
2694 matroska_demuxer_suggest="bzlib lzo zlib"
2695 matroska_muxer_select="riffenc"
2696 mmf_muxer_select="riffenc"
2697 mov_demuxer_select="riffdec"
2698 mov_demuxer_suggest="zlib"
2699 mov_muxer_select="riffenc rtpenc_chain"
2700 mp3_demuxer_select="mpegaudio_parser"
2701 mp4_muxer_select="mov_muxer"
2702 mpegts_muxer_select="adts_muxer latm_muxer"
2703 mpegtsraw_demuxer_select="mpegts_demuxer"
2704 mxf_d10_muxer_select="mxf_muxer"
2705 mxf_opatom_muxer_select="mxf_muxer"
2706 nut_muxer_select="riffenc"
2707 nuv_demuxer_select="riffdec"
2708 oga_muxer_select="ogg_muxer"
2709 ogg_demuxer_select="golomb"
2710 opus_muxer_select="ogg_muxer"
2711 psp_muxer_select="mov_muxer"
2712 rtp_demuxer_select="sdp_demuxer"
2713 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol"
2714 rtsp_demuxer_select="http_protocol rtpdec"
2715 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2716 sap_demuxer_select="sdp_demuxer"
2717 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2718 sdp_demuxer_select="rtpdec"
2719 smoothstreaming_muxer_select="ismv_muxer"
2720 spdif_muxer_select="aac_parser"
2721 spx_muxer_select="ogg_muxer"
2722 tak_demuxer_select="tak_parser"
2723 tg2_muxer_select="mov_muxer"
2724 tgp_muxer_select="mov_muxer"
2725 vobsub_demuxer_select="mpegps_demuxer"
2726 w64_demuxer_select="wav_demuxer"
2727 w64_muxer_select="wav_muxer"
2728 wav_demuxer_select="riffdec"
2729 wav_muxer_select="riffenc"
2730 webm_muxer_select="riffenc"
2731 wtv_demuxer_select="riffdec"
2732 wtv_muxer_select="riffenc"
2733 xmv_demuxer_select="riffdec"
2734 xwma_demuxer_select="riffdec"
2737 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2738 alsa_outdev_deps="alsa_asoundlib_h"
2739 avfoundation_indev_extralibs="-framework CoreVideo -framework Foundation -framework AVFoundation -framework CoreMedia"
2740 avfoundation_indev_select="avfoundation"
2741 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2742 caca_outdev_deps="libcaca"
2743 decklink_outdev_deps="decklink pthreads"
2744 decklink_outdev_extralibs="-lstdc++"
2745 decklink_indev_deps="decklink pthreads"
2746 decklink_indev_extralibs="-lstdc++"
2747 dshow_indev_deps="IBaseFilter"
2748 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"
2749 dv1394_indev_deps="dv1394"
2750 dv1394_indev_select="dv_demuxer"
2751 fbdev_indev_deps="linux_fb_h"
2752 fbdev_outdev_deps="linux_fb_h"
2753 gdigrab_indev_deps="CreateDIBSection"
2754 gdigrab_indev_extralibs="-lgdi32"
2755 gdigrab_indev_select="bmp_decoder"
2756 iec61883_indev_deps="libiec61883"
2757 jack_indev_deps="jack_jack_h sem_timedwait"
2758 lavfi_indev_deps="avfilter"
2759 libcdio_indev_deps="libcdio"
2760 libdc1394_indev_deps="libdc1394"
2761 libv4l2_indev_deps="libv4l2"
2762 openal_indev_deps="openal"
2763 opengl_outdev_deps="opengl"
2764 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2765 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2766 pulse_indev_deps="libpulse"
2767 pulse_outdev_deps="libpulse"
2768 qtkit_indev_extralibs="-framework QTKit -framework Foundation -framework QuartzCore"
2769 qtkit_indev_select="qtkit"
2770 sdl_outdev_deps="sdl"
2771 sndio_indev_deps="sndio_h"
2772 sndio_outdev_deps="sndio_h"
2773 v4l_indev_deps="linux_videodev_h"
2774 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2775 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
2776 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2777 vfwcap_indev_extralibs="-lavicap32"
2778 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
2779 xv_outdev_extralibs="-lXv -lX11 -lXext"
2780 x11grab_indev_deps="x11grab"
2781 x11grab_xcb_indev_deps="libxcb"
2784 async_protocol_deps="threads"
2785 bluray_protocol_deps="libbluray"
2786 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2787 ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"
2788 ffrtmpcrypt_protocol_select="tcp_protocol"
2789 ffrtmphttp_protocol_deps="!librtmp_protocol"
2790 ffrtmphttp_protocol_select="http_protocol"
2791 ftp_protocol_select="tcp_protocol"
2792 gopher_protocol_select="network"
2793 http_protocol_select="tcp_protocol"
2794 httpproxy_protocol_select="tcp_protocol"
2795 https_protocol_select="tls_protocol"
2796 icecast_protocol_select="http_protocol"
2797 librtmp_protocol_deps="librtmp"
2798 librtmpe_protocol_deps="librtmp"
2799 librtmps_protocol_deps="librtmp"
2800 librtmpt_protocol_deps="librtmp"
2801 librtmpte_protocol_deps="librtmp"
2802 libsmbclient_protocol_deps="libsmbclient gplv3"
2803 libssh_protocol_deps="libssh"
2804 mmsh_protocol_select="http_protocol"
2805 mmst_protocol_select="network"
2806 rtmp_protocol_deps="!librtmp_protocol"
2807 rtmp_protocol_select="tcp_protocol"
2808 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2809 rtmps_protocol_deps="!librtmp_protocol"
2810 rtmps_protocol_select="tls_protocol"
2811 rtmpt_protocol_select="ffrtmphttp_protocol"
2812 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2813 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2814 rtp_protocol_select="udp_protocol"
2815 sctp_protocol_deps="struct_sctp_event_subscribe"
2816 sctp_protocol_select="network"
2817 srtp_protocol_select="rtp_protocol"
2818 tcp_protocol_select="network"
2819 tls_gnutls_protocol_deps="gnutls !tls_schannel_protocol !tls_securetransport_protocol"
2820 tls_gnutls_protocol_select="tcp_protocol"
2821 tls_openssl_protocol_deps="openssl !tls_schannel_protocol !tls_securetransport_protocol !tls_gnutls_protocol"
2822 tls_openssl_protocol_select="tcp_protocol"
2823 tls_schannel_protocol_deps="schannel"
2824 tls_schannel_protocol_select="tcp_protocol"
2825 tls_securetransport_protocol_deps="securetransport"
2826 tls_securetransport_protocol_select="tcp_protocol"
2827 tls_protocol_deps_any="tls_schannel_protocol tls_securetransport_protocol tls_gnutls_protocol tls_openssl_protocol"
2828 udp_protocol_select="network"
2829 udplite_protocol_select="network"
2830 unix_protocol_deps="sys_un_h"
2831 unix_protocol_select="network"
2834 aemphasis_filter_deps="cabs cexp"
2835 amovie_filter_deps="avcodec avformat"
2836 aresample_filter_deps="swresample"
2837 ass_filter_deps="libass"
2838 asyncts_filter_deps="avresample"
2839 atempo_filter_deps="avcodec"
2840 atempo_filter_select="rdft"
2841 azmq_filter_deps="libzmq"
2842 blackframe_filter_deps="gpl"
2843 boxblur_filter_deps="gpl"
2844 bs2b_filter_deps="libbs2b"
2845 colormatrix_filter_deps="gpl"
2846 cover_rect_filter_deps="avcodec avformat gpl"
2847 cropdetect_filter_deps="gpl"
2848 delogo_filter_deps="gpl"
2849 deshake_filter_select="pixelutils"
2850 drawtext_filter_deps="libfreetype"
2851 dynaudnorm_filter_deps="copysign erf"
2852 ebur128_filter_deps="gpl"
2853 eq_filter_deps="gpl"
2854 fftfilt_filter_deps="avcodec"
2855 fftfilt_filter_select="rdft"
2856 flite_filter_deps="libflite"
2857 find_rect_filter_deps="avcodec avformat gpl"
2858 frei0r_filter_deps="frei0r dlopen"
2859 frei0r_src_filter_deps="frei0r dlopen"
2860 fspp_filter_deps="gpl"
2861 geq_filter_deps="gpl"
2862 histeq_filter_deps="gpl"
2863 hqdn3d_filter_deps="gpl"
2864 interlace_filter_deps="gpl"
2865 kerndeint_filter_deps="gpl"
2866 ladspa_filter_deps="ladspa dlopen"
2867 mcdeint_filter_deps="avcodec gpl"
2868 movie_filter_deps="avcodec avformat"
2869 mpdecimate_filter_deps="gpl"
2870 mpdecimate_filter_select="pixelutils"
2871 mptestsrc_filter_deps="gpl"
2872 negate_filter_deps="lut_filter"
2873 perspective_filter_deps="gpl"
2874 pp7_filter_deps="gpl"
2875 ocr_filter_deps="libtesseract"
2876 ocv_filter_deps="libopencv"
2877 owdenoise_filter_deps="gpl"
2878 pan_filter_deps="swresample"
2879 phase_filter_deps="gpl"
2880 pp_filter_deps="gpl postproc"
2881 pullup_filter_deps="gpl"
2882 removelogo_filter_deps="avcodec avformat swscale"
2883 repeatfields_filter_deps="gpl"
2884 resample_filter_deps="avresample"
2885 rubberband_filter_deps="librubberband"
2886 sab_filter_deps="gpl swscale"
2887 scale_filter_deps="swscale"
2888 scale2ref_filter_deps="swscale"
2889 select_filter_select="pixelutils"
2890 smartblur_filter_deps="gpl swscale"
2891 showcqt_filter_deps="avcodec avformat swscale"
2892 showcqt_filter_select="fft"
2893 showfreqs_filter_deps="avcodec"
2894 showfreqs_filter_select="fft"
2895 showspectrum_filter_deps="avcodec"
2896 showspectrum_filter_select="rdft"
2897 sofalizer_filter_deps="netcdf avcodec"
2898 sofalizer_filter_select="fft"
2899 spp_filter_deps="gpl avcodec"
2900 spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"
2901 stereo3d_filter_deps="gpl"
2902 subtitles_filter_deps="avformat avcodec libass"
2903 super2xsai_filter_deps="gpl"
2904 tinterlace_filter_deps="gpl"
2905 vidstabdetect_filter_deps="libvidstab"
2906 vidstabtransform_filter_deps="libvidstab"
2907 pixfmts_super2xsai_test_deps="super2xsai_filter"
2908 tinterlace_merge_test_deps="tinterlace_filter"
2909 tinterlace_pad_test_deps="tinterlace_filter"
2910 uspp_filter_deps="gpl avcodec"
2911 zmq_filter_deps="libzmq"
2912 zoompan_filter_deps="swscale"
2913 zscale_filter_deps="libzimg"
2916 avio_reading="avformat avcodec avutil"
2917 avio_dir_cmd="avformat avutil"
2918 avcodec_example_deps="avcodec avutil"
2919 decoding_encoding_example_deps="avcodec avformat avutil"
2920 demuxing_decoding_example_deps="avcodec avformat avutil"
2921 extract_mvs_example_deps="avcodec avformat avutil"
2922 filter_audio_example_deps="avfilter avutil"
2923 filtering_audio_example_deps="avfilter avcodec avformat avutil"
2924 filtering_video_example_deps="avfilter avcodec avformat avutil"
2925 metadata_example_deps="avformat avutil"
2926 muxing_example_deps="avcodec avformat avutil swscale"
2927 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder vaapi_x11"
2928 remuxing_example_deps="avcodec avformat avutil"
2929 resampling_audio_example_deps="avutil swresample"
2930 scaling_video_example_deps="avutil swscale"
2931 transcode_aac_example_deps="avcodec avformat swresample"
2932 transcoding_example_deps="avfilter avcodec avformat avutil"
2934 # libraries, in linking order
2935 avcodec_deps="avutil"
2936 avdevice_deps="avformat avcodec avutil"
2937 avfilter_deps="avutil"
2938 avformat_deps="avcodec avutil"
2939 avresample_deps="avutil"
2940 postproc_deps="avutil gpl"
2941 swresample_deps="avutil"
2942 swscale_deps="avutil"
2945 ffmpeg_deps="avcodec avfilter avformat swresample"
2946 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
2948 setpts_filter trim_filter"
2949 ffplay_deps="avcodec avformat swscale swresample sdl"
2950 ffplay_libs='$sdl_libs'
2951 ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"
2952 ffprobe_deps="avcodec avformat"
2953 ffserver_deps="avformat fork sarestart"
2954 ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
2957 podpages_deps="perl"
2958 manpages_deps="perl pod2man"
2959 htmlpages_deps="perl"
2960 htmlpages_deps_any="makeinfo_html texi2html"
2961 txtpages_deps="perl makeinfo"
2962 doc_deps_any="manpages htmlpages podpages txtpages"
2964 # default parameters
2966 logfile="config.log"
2968 # installation paths
2969 prefix_default="/usr/local"
2970 bindir_default='${prefix}/bin'
2971 datadir_default='${prefix}/share/ffmpeg'
2972 docdir_default='${prefix}/share/doc/ffmpeg'
2973 incdir_default='${prefix}/include'
2974 libdir_default='${prefix}/lib'
2975 mandir_default='${prefix}/share/man'
2981 host_cc_default="gcc"
2983 doxygen_default="doxygen"
2988 pkg_config_default=pkg-config
2989 ranlib_default="ranlib"
2990 strip_default="strip"
2991 yasmexe_default="yasm"
2992 windres_default="windres"
2995 target_os_default=$(tolower $(uname -s))
2996 host_os=$target_os_default
2999 if test "$target_os_default" = aix; then
3000 arch_default=$(uname -p)
3001 strip_default="strip -X32_64"
3003 arch_default=$(uname -m)
3008 # configurable options
3009 enable $PROGRAM_LIST
3010 enable $DOCUMENT_LIST
3011 enable $EXAMPLE_LIST
3012 enable $(filter_out avresample $LIBRARY_LIST)
3018 enable faan faandct faanidct
3019 enable optimizations
3020 enable runtime_cpudetect
3021 enable safe_bitstream_reader
3023 enable swscale_alpha
3024 enable valgrind_backtrace
3026 sws_max_filter_size_default=256
3027 set_default sws_max_filter_size
3029 # Enable hwaccels by default.
3030 enable d3d11va dxva2 vaapi vda vdpau videotoolbox xvmc
3034 SHFLAGS='-shared -Wl,-soname,$$(@F)'
3037 FULLNAME='$(NAME)$(BUILDSUF)'
3038 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
3041 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
3042 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
3043 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
3044 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
3045 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
3046 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
3071 host_cflags_filter=echo
3072 host_ldflags_filter=echo
3074 target_path='$(CURDIR)'
3076 # since the object filename is not given with the -MM flag, the compiler
3077 # is only able to print the basename, and we must add the path ourselves
3078 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>/dev/null | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(@F),$(@D)/$(@F)," > $(@:.o=.d)'
3082 if test -f configure; then
3085 source_path=$(cd $(dirname "$0"); pwd)
3086 case "$source_path" in
3087 *[[:blank:]]*) die "Out of tree builds are impossible with whitespace in source path." ;;
3089 test -e "$source_path/config.h" &&
3090 die "Out of tree builds are impossible with config.h in source dir."
3097 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
3103 file=$source_path/$3
3104 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
3107 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
3108 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
3109 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
3110 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
3111 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
3112 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
3113 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
3114 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
3115 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
3116 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
3117 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
3133 for n in $COMPONENT_LIST; do
3134 v=$(toupper ${n%s})_LIST
3136 eval ${n}_if_any="\$$v"
3139 enable $ARCH_EXT_LIST
3142 echo "Unknown option \"$1\"."
3143 echo "See $0 --help for available options."
3147 print_in_columns() {
3148 cols=$(expr $ncols / 24)
3149 cat | tr ' ' '\n' | sort | pr -r "-$cols" -w $ncols -t
3155 echo $* | sed s/$suffix//g | print_in_columns
3167 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
3168 echo "prob ${prob:-0.5}"
3176 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
3177 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
3186 --extra-ldexeflags=*)
3187 add_ldexeflags $optval
3189 --extra-ldlibflags=*)
3190 add_ldlibflags $optval
3193 add_extralibs $optval
3196 disable $INDEV_LIST $OUTDEV_LIST
3199 debuglevel="$optval"
3202 disable $PROGRAM_LIST
3204 --disable-everything)
3205 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3208 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3209 disable $LIBRARY_LIST $PROGRAM_LIST doc
3212 --enable-random|--disable-random)
3213 action=${opt%%-random}
3214 do_random ${action#--} $COMPONENT_LIST
3216 --enable-random=*|--disable-random=*)
3217 action=${opt%%-random=*}
3218 do_random ${action#--} $optval
3220 --enable-*=*|--disable-*=*)
3221 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
3222 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
3223 eval list=\$$(toupper $thing)_LIST
3224 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
3225 list=$(filter "$name" $list)
3226 [ "$list" = "" ] && warn "Option $opt did not match anything"
3229 --enable-?*|--disable-?*)
3230 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
3231 if is_in $option $COMPONENT_LIST; then
3232 test $action = disable && action=unset
3233 eval $action \$$(toupper ${option%s})_LIST
3234 elif is_in $option $CMDLINE_SELECT; then
3241 NAME="${opt#--list-}"
3242 is_in $NAME $COMPONENT_LIST || die_unknown $opt
3244 eval show_list $NAME \$$(toupper $NAME)_LIST
3246 --help|-h) show_help
3248 --fatal-warnings) enable fatal_warnings
3251 optname="${opt%%=*}"
3252 optname="${optname#--}"
3253 optname=$(echo "$optname" | sed 's/-/_/g')
3254 if is_in $optname $CMDLINE_SET; then
3255 eval $optname='$optval'
3256 elif is_in $optname $CMDLINE_APPEND; then
3257 append $optname "$optval"
3269 disabled logging && logfile=/dev/null
3271 # Disable all the library-specific components if the library itself
3272 # is disabled, see AVCODEC_LIST and following _LIST variables.
3274 disable_components(){
3275 disabled ${1} && disable $(
3276 eval components="\$$(toupper ${1})_COMPONENTS"
3277 map 'eval echo \${$(toupper ${v%s})_LIST}' $components
3281 map 'disable_components $v' $LIBRARY_LIST
3283 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
3286 test -n "$valgrind" && toolchain="valgrind-memcheck"
3288 case "$toolchain" in
3291 add_cflags -fsanitize=address
3292 add_ldflags -fsanitize=address
3296 add_cflags -fsanitize=thread -pie
3297 add_ldflags -fsanitize=thread -pie
3301 add_cflags -fsanitize=undefined
3302 add_ldflags -fsanitize=undefined
3306 add_cflags -fsanitize=address
3307 add_ldflags -fsanitize=address
3311 add_cflags -fsanitize=thread -pie -fPIC
3312 add_ldflags -fsanitize=thread -pie -fPIC
3316 add_cflags -fsanitize=undefined
3317 add_ldflags -fsanitize=undefined
3320 target_exec_default=${valgrind:-"valgrind"}
3321 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"
3324 target_exec_default=${valgrind:-"valgrind"}
3325 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
3328 # Check whether the current MSVC version needs the C99 converter.
3329 # From MSVC 2013 (compiler major version 18) onwards, it does actually
3330 # support enough of C99 to build ffmpeg. Default to the new
3331 # behaviour if the regexp was unable to match anything, since this
3332 # successfully parses the version number of existing supported
3333 # versions that require the converter (MSVC 2010 and 2012).
3334 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
3335 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
3338 cc_default="c99wrap cl"
3340 ld_default="$source_path/compat/windows/mslink"
3341 nm_default="dumpbin -symbols"
3348 target_os_default="win32"
3349 # Use a relative path for TMPDIR. This makes sure all the
3350 # ffconf temp files are written with a relative path, avoiding
3351 # issues with msys/win32 path conversion for MSVC parameters
3352 # such as -Fo<file> or -out:<file>.
3358 nm_default="dumpbin -symbols"
3360 target_os_default="win32"
3364 add_cflags -fprofile-arcs -ftest-coverage
3365 add_ldflags -fprofile-arcs -ftest-coverage
3368 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
3369 add_cflags -fno-strict-overflow -fstack-protector-all
3370 add_ldflags -Wl,-z,relro -Wl,-z,now
3373 die "Unknown toolchain $toolchain"
3377 test -n "$cross_prefix" && enable cross_compile
3379 if enabled cross_compile; then
3380 test -n "$arch" && test -n "$target_os" ||
3381 die "Must specify target arch and OS when cross-compiling"
3384 ar_default="${cross_prefix}${ar_default}"
3385 cc_default="${cross_prefix}${cc_default}"
3386 cxx_default="${cross_prefix}${cxx_default}"
3387 nm_default="${cross_prefix}${nm_default}"
3388 pkg_config_default="${cross_prefix}${pkg_config_default}"
3389 if ${cross_prefix}${ranlib_default} 2>&1 | grep -q "\-D "; then
3390 ranlib_default="${cross_prefix}${ranlib_default} -D"
3392 ranlib_default="${cross_prefix}${ranlib_default}"
3394 strip_default="${cross_prefix}${strip_default}"
3395 windres_default="${cross_prefix}${windres_default}"
3397 sysinclude_default="${sysroot}/usr/include"
3399 set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \
3400 target_exec target_os yasmexe
3401 enabled cross_compile || host_cc_default=$cc
3404 pkg_config_fail_message=""
3405 if ! $pkg_config --version >/dev/null 2>&1; then
3406 warn "$pkg_config not found, library detection may fail."
3408 elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then
3409 pkg_config_fail_message="
3410 Note: When building a static binary, add --pkg-config-flags=\"--static\"."
3413 if test $doxygen != $doxygen_default && \
3414 ! $doxygen --version >/dev/null 2>&1; then
3415 warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."
3420 mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
3424 EXESUF=$(exesuf $target_os)
3425 HOSTEXESUF=$(exesuf $host_os)
3427 # set temporary file name
3428 : ${TMPDIR:=$TEMPDIR}
3432 if [ -n "$tempprefix" ] ; then
3434 echo $tempprefix.${HOSTNAME}.${UID}
3436 elif ! check_cmd mktemp -u XXXXXX; then
3437 # simple replacement for missing mktemp
3438 # NOT SAFE FOR GENERAL USE
3440 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
3445 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
3446 (set -C; exec > $tmp) 2>/dev/null ||
3447 die "Unable to create temporary file in $TMPDIR."
3448 append TMPFILES $tmp
3452 trap 'rm -f -- $TMPFILES' EXIT
3457 tmpfile TMPE $EXESUF
3469 # make sure we can execute files in $TMPDIR
3470 cat > $TMPSH 2>> $logfile <<EOF
3473 chmod +x $TMPSH >> $logfile 2>&1
3474 if ! $TMPSH >> $logfile 2>&1; then
3476 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
3477 variable to another directory and make sure that it is not mounted noexec.
3479 die "Sanity test failed."
3485 # Filter out MSVC cl.exe options from cflags that shouldn't
3486 # be passed to gas-preprocessor
3496 -std=c99) echo -c99 ;;
3497 -mcpu=*) echo -arch ${flag#*=} ;;
3498 -mieee) echo -ieee ;;
3499 -O*|-fast) echo $flag ;;
3500 -fno-math-errno) echo -assume nomath_errno ;;
3502 -Wall) echo -msg_enable level2 ;;
3503 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
3504 -Wl,*) echo $flag ;;
3514 -Wno-switch) echo -Wno-switch-enum ;;
3515 -Wno-format-zero-length) ;;
3516 -Wdisabled-optimization) ;;
3517 -Wno-pointer-sign) echo -Wno-other ;;
3523 msvc_common_flags(){
3526 # In addition to specifying certain flags under the compiler
3527 # specific filters, they must be specified here as well or else the
3528 # generic catch all at the bottom will print the original flag.
3532 -fomit-frame-pointer) ;;
3536 -fno-signed-zeros) ;;
3540 -lz) echo zlib.lib ;;
3541 -lavifil32) echo vfw32.lib ;;
3542 -lavicap32) echo vfw32.lib user32.lib ;;
3543 -l*) echo ${flag#-l}.lib ;;
3544 -LARGEADDRESSAWARE) echo $flag ;;
3545 -L*) echo -libpath:${flag#-L} ;;
3552 msvc_common_flags "$@"
3555 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
3556 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
3557 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
3559 -wd4273 -wd4554 -wd4701 ;;
3565 msvc_common_flags "$@"
3568 # Despite what Intel's documentation says -Wall, which is supported
3569 # on Windows, does enable remarks so disable them here.
3570 -Wall) echo $flag -Qdiag-disable:remark ;;
3571 -std=c99) echo -Qstd=c99 ;;
3589 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
3590 -fomit-frame-pointer) echo -Mnoframe ;;
3601 case "${flag#*=}" in
3602 native) echo -xtarget=native ;;
3603 v9|niagara) echo -xarch=sparc ;;
3604 ultrasparc) echo -xarch=sparcvis ;;
3605 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
3606 i586|pentium) echo -xchip=pentium ;;
3607 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
3608 pentium3*|c3-2) echo -xtarget=pentium3 ;;
3609 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
3610 pentium4*) echo -xtarget=pentium4 ;;
3611 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
3612 *-sse3) echo -xarch=sse3 ;;
3613 core2) echo -xarch=ssse3 -xchip=core2 ;;
3614 bonnell) echo -xarch=ssse3 ;;
3615 corei7|nehalem) echo -xtarget=nehalem ;;
3616 westmere) echo -xtarget=westmere ;;
3617 silvermont) echo -xarch=sse4_2 ;;
3618 corei7-avx|sandybridge) echo -xtarget=sandybridge ;;
3619 core-avx*|ivybridge|haswell|broadwell)
3621 amdfam10|barcelona) echo -xtarget=barcelona ;;
3622 btver1) echo -xarch=amdsse4a ;;
3623 btver2|bdver*) echo -xarch=avx ;;
3624 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
3625 k8|opteron|athlon64|athlon-fx)
3626 echo -xarch=sse2a ;;
3627 athlon*) echo -xarch=pentium_proa ;;
3630 -std=c99) echo -xc99 ;;
3631 -fomit-frame-pointer) echo -xregs=frameptr ;;
3632 -fPIC) echo -KPIC -xcode=pic32 ;;
3633 -W*,*) echo $flag ;;
3634 -f*-*|-W*|-mimpure-text) ;;
3645 case "${flag#*=}" in
3646 armv7-a|cortex-a*) echo -mv=7a8 ;;
3647 armv7-r|cortex-r*) echo -mv=7r4 ;;
3648 armv7-m|cortex-m*) echo -mv=7m3 ;;
3649 armv6*|arm11*) echo -mv=6 ;;
3650 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
3652 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
3655 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
3656 -mfpu=vfp) echo --float_support=vfpv2 ;;
3657 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
3658 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
3659 -msoft-float) echo --float_support=vfplib ;;
3660 -O[0-3]|-mf=*) echo $flag ;;
3662 -pds=*) echo $flag ;;
3663 -D*|-I*) echo $flag ;;
3664 --gcc|--abi=*) echo $flag ;;
3675 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
3676 unset _ld_o _ldflags _ld_lib _ld_path
3677 unset _depflags _DEPCMD _DEPFLAGS
3680 if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
3681 true # no-op to avoid reading stdin in following checks
3682 elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
3684 gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')
3685 _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"
3686 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3689 elif $_cc -v 2>&1 | grep -qi ^gcc; then
3691 gcc_version=$($_cc --version | head -n1)
3692 gcc_basever=$($_cc -dumpversion)
3693 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
3694 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
3695 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
3696 case $gcc_basever in
3698 *) _depflags='-MMD -MF $(@:.o=.d) -MT $@' ;;
3700 if [ "$first" = true ]; then
3701 case $gcc_basever in
3703 warn "gcc 4.2 is outdated and may miscompile FFmpeg. Please use a newer compiler." ;;
3708 elif $_cc --version 2>/dev/null | grep -q ^icc; then
3710 _ident=$($_cc --version | head -n1)
3715 _flags_filter=icc_flags
3716 elif $_cc -v 2>&1 | grep -q xlc; then
3718 _ident=$($_cc -qversion 2>/dev/null | head -n1)
3720 _cflags_size='-O5 -qcompact'
3721 elif $_cc -V 2>/dev/null | grep -q Compaq; then
3723 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
3725 _cflags_speed='-fast'
3727 _flags_filter=ccc_flags
3728 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
3729 test -d "$sysroot" || die "No valid sysroot specified."
3731 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
3732 armcc_conf="$PWD/armcc.conf"
3733 $_cc --arm_linux_configure \
3734 --arm_linux_config_file="$armcc_conf" \
3735 --configure_sysroot="$sysroot" \
3736 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
3737 die "Error creating armcc configuration file."
3738 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
3739 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
3740 as_default="${cross_prefix}gcc"
3744 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
3746 _ident=$($_cc -version | head -n1 | tr -s ' ')
3747 _flags='--gcc --abi=eabi -me'
3750 _depflags='-ppa -ppd=$(@:.o=.d)'
3751 _cflags_speed='-O3 -mf=5'
3752 _cflags_size='-O3 -mf=2'
3753 _flags_filter=tms470_flags
3754 elif $_cc -v 2>&1 | grep -q clang; then
3756 _ident=$($_cc --version 2>/dev/null | head -n1)
3757 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3760 elif $_cc -V 2>&1 | grep -q Sun; then
3762 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
3763 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3764 _DEPFLAGS='-xM1 -xc99'
3767 _cflags_size='-O5 -xspace'
3768 _flags_filter=suncc_flags
3769 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
3771 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3772 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3775 _flags_filter='filter_out -Wdisabled-optimization'
3776 elif $_cc -v 2>&1 | grep -q Open64; then
3778 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3779 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3782 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3783 elif $_cc -V 2>&1 | grep -q Portland; then
3785 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3786 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3787 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3788 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3790 _flags_filter=pgi_flags
3791 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
3793 _ident=$($_cc | head -n1)
3794 # 4509: "This form of conditional instruction is deprecated"
3795 _flags="-nologo -ignore 4509"
3796 _flags_filter=armasm_flags
3797 elif $_cc 2>&1 | grep -q Intel; then
3799 _ident=$($_cc 2>&1 | head -n1)
3800 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3801 # Not only is O3 broken on 13.x+ but it is slower on all previous
3802 # versions (tested) as well.
3804 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3805 if $_cc 2>&1 | grep -q Linker; then
3812 _flags_filter=icl_flags
3814 _ld_path='-libpath:'
3815 # -Qdiag-error to make icl error when seeing certain unknown arguments
3816 _flags='-nologo -Qdiag-error:4044,10157'
3817 # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency
3818 # with MSVC which enables it by default.
3819 _cflags='-D_USE_MATH_DEFINES -Qms0 -Qvec- -Qsimd- -GS -fp:precise'
3821 elif $_cc -nologo- 2>&1 | grep -q Microsoft; then
3823 _ident=$($_cc 2>&1 | head -n1)
3824 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3825 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3828 if $_cc -nologo- 2>&1 | grep -q Linker; then
3835 _flags_filter=msvc_flags
3837 _ld_path='-libpath:'
3839 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS'
3841 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3843 _ident=$($_cc --version | head -n1)
3847 _flags_filter=cparser_flags
3850 eval ${pfx}_type=\$_type
3851 eval ${pfx}_ident=\$_ident
3855 eval ${1}_C=\${_cc_c-\${${1}_C}}
3856 eval ${1}_E=\${_cc_e-\${${1}_E}}
3857 eval ${1}_O=\${_cc_o-\${${1}_O}}
3859 if [ -n "$_depflags" ]; then
3860 eval ${1}_DEPFLAGS=\$_depflags
3862 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3863 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3864 eval DEP${1}FLAGS=\$_flags
3868 probe_cc cc "$cc" "true"
3869 cflags_filter=$_flags_filter
3870 cflags_speed=$_cflags_speed
3871 cflags_size=$_cflags_size
3872 cflags_noopt=$_cflags_noopt
3873 add_cflags $_flags $_cflags
3874 cc_ldflags=$_ldflags
3877 probe_cc hostcc "$host_cc"
3878 host_cflags_filter=$_flags_filter
3879 add_host_cflags $_flags $_cflags
3882 test -n "$cc_type" && enable $cc_type ||
3883 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3885 : ${as_default:=$cc}
3886 : ${objcc_default:=$cc}
3887 : ${dep_cc_default:=$cc}
3888 : ${ld_default:=$cc}
3889 : ${host_ld_default:=$host_cc}
3890 set_default ar as objcc dep_cc ld host_ld windres
3893 asflags_filter=$_flags_filter
3894 add_asflags $_flags $_cflags
3897 probe_cc objcc "$objcc"
3898 objcflags_filter=$_flags_filter
3899 add_objcflags $_flags $_cflags
3903 ldflags_filter=$_flags_filter
3904 add_ldflags $_flags $_ldflags
3905 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3907 LD_LIB=${_ld_lib-$LD_LIB}
3908 LD_PATH=${_ld_path-$LD_PATH}
3910 probe_cc hostld "$host_ld"
3911 host_ldflags_filter=$_flags_filter
3912 add_host_ldflags $_flags $_ldflags
3913 HOSTLD_O=${_ld_o-$HOSTLD_O}
3915 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3916 probe_cc depcc "$dep_cc"
3917 CCDEP=${_DEPCMD:-$DEPCMD}
3918 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3922 if $ar 2>&1 | grep -q Microsoft; then
3925 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3928 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3929 arflags='-Xany -r -c'
3931 elif $ar 2>&1 | grep -q "\[D\] "; then
3939 add_cflags $extra_cflags
3940 add_cxxflags $extra_cxxflags
3941 add_objcflags $extra_objcflags
3942 add_asflags $extra_cflags
3944 if test -n "$sysroot"; then
3947 add_cppflags --sysroot="$sysroot"
3948 add_ldflags --sysroot="$sysroot"
3949 # On Darwin --sysroot may be ignored, -isysroot always affects headers and linking
3950 add_cppflags -isysroot "$sysroot"
3951 add_ldflags -isysroot "$sysroot"
3954 add_cppflags -I"$sysinclude"
3955 add_ldflags --sysroot="$sysroot"
3960 if test "$cpu" = host; then
3961 enabled cross_compile &&
3962 die "--cpu=host makes no sense when cross-compiling."
3967 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3969 s/.*$1=\\([^ ]*\\).*/\\1/
3974 cpu=$(check_native -march || check_native -mcpu)
3978 test "${cpu:-host}" = host &&
3979 die "--cpu=host not supported with compiler $cc"
3982 # Deal with common $arch aliases
3996 "Power Macintosh"|ppc*|powerpc*)
4011 i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
4016 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
4019 # Add processor-specific flags
4020 if enabled aarch64; then
4024 cpuflags="-march=$cpu"
4027 cpuflags="-mcpu=$cpu"
4031 elif enabled alpha; then
4033 cpuflags="-mcpu=$cpu"
4035 elif enabled arm; then
4038 check_cpp_condition stddef.h \
4039 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
4044 if check_arm_arch 4; then echo armv4;
4045 elif check_arm_arch 4T; then echo armv4t;
4046 elif check_arm_arch 5; then echo armv5;
4047 elif check_arm_arch 5E; then echo armv5e;
4048 elif check_arm_arch 5T; then echo armv5t;
4049 elif check_arm_arch 5TE; then echo armv5te;
4050 elif check_arm_arch 5TEJ; then echo armv5te;
4051 elif check_arm_arch 6; then echo armv6;
4052 elif check_arm_arch 6J; then echo armv6j;
4053 elif check_arm_arch 6K; then echo armv6k;
4054 elif check_arm_arch 6Z; then echo armv6z;
4055 elif check_arm_arch 6ZK; then echo armv6zk;
4056 elif check_arm_arch 6T2; then echo armv6t2;
4057 elif check_arm_arch 7; then echo armv7;
4058 elif check_arm_arch 7A 7_A; then echo armv7-a;
4059 elif check_arm_arch 7S; then echo armv7-a;
4060 elif check_arm_arch 7R 7_R; then echo armv7-r;
4061 elif check_arm_arch 7M 7_M; then echo armv7-m;
4062 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
4063 elif check_arm_arch 8A 8_A; then echo armv8-a;
4067 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
4071 cpuflags="-march=$cpu"
4072 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
4075 cpuflags="-mcpu=$cpu"
4077 cortex-a*) subarch=armv7a ;;
4078 cortex-r*) subarch=armv7r ;;
4079 cortex-m*) enable thumb; subarch=armv7m ;;
4080 arm11*) subarch=armv6 ;;
4081 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
4082 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
4083 *) subarch=$(probe_arm_arch) ;;
4089 armv5t*) enable fast_clz ;;
4092 disabled fast_unaligned || enable fast_unaligned
4096 elif enabled avr32; then
4101 cpuflags="-mpart=$cpu"
4105 cpuflags="-march=$cpu"
4109 cpuflags="-mcpu=$cpu"
4113 cpuflags="-march=$cpu"
4117 elif enabled bfin; then
4119 cpuflags="-mcpu=$cpu"
4121 elif enabled mips; then
4123 cpuflags="-march=$cpu"
4148 24kef*|34kf*|1004kf*)
4170 check_cflags "-mtune=p5600" &&
4171 check_cflags "-mfp64 -msched-weight -mload-store-pairs -funroll-loops" &&
4172 add_asflags "-mfp64"
4179 check_cflags "-mtune=i6400 -mabi=64" &&
4180 check_cflags "-mfp64 -msched-weight -mload-store-pairs -funroll-loops" &&
4181 check_ldflags "-mabi=64" &&
4182 add_asflags "-mfp64"
4192 enable local_aligned_8 local_aligned_16 local_aligned_32
4193 enable simd_align_16
4197 enable fast_unaligned
4198 disable aligned_stack
4201 cpuflags="-march=loongson3a -mhard-float -fno-expensive-optimizations"
4204 cpuflags="-march=loongson2e -mhard-float -fno-expensive-optimizations"
4207 cpuflags="-march=loongson2f -mhard-float -fno-expensive-optimizations"
4226 elif enabled ppc; then
4230 case $(tolower $cpu) in
4231 601|ppc601|powerpc601)
4232 cpuflags="-mcpu=601"
4235 603*|ppc603*|powerpc603*)
4236 cpuflags="-mcpu=603"
4239 604*|ppc604*|powerpc604*)
4240 cpuflags="-mcpu=604"
4243 g3|75*|ppc75*|powerpc75*)
4244 cpuflags="-mcpu=750"
4247 g4|745*|ppc745*|powerpc745*)
4248 cpuflags="-mcpu=7450"
4251 74*|ppc74*|powerpc74*)
4252 cpuflags="-mcpu=7400"
4255 g5|970|ppc970|powerpc970)
4256 cpuflags="-mcpu=970"
4260 cpuflags="-mcpu=$cpu"
4264 cpuflags="-mcpu=$cpu"
4267 cpuflags="-mcpu=cell"
4272 cpuflags="-mcpu=e500mc"
4276 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
4281 cpuflags="-mcpu=8540 -mhard-float"
4287 elif enabled sparc; then
4290 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
4291 cpuflags="-mcpu=$cpu"
4293 ultrasparc*|niagara[234])
4294 cpuflags="-mcpu=$cpu"
4298 elif enabled x86; then
4302 cpuflags="-march=$cpu"
4306 # targets that do NOT support nopl and conditional mov (cmov)
4307 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
4308 cpuflags="-march=$cpu"
4311 # targets that do support nopl and conditional mov (cmov)
4312 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\
4313 |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|amdfam10|barcelona|b[dt]ver*)
4314 cpuflags="-march=$cpu"
4318 # targets that do support conditional mov but on which it's slow
4319 pentium4|pentium4m|prescott|nocona)
4320 cpuflags="-march=$cpu"
4328 if [ "$cpu" != generic ]; then
4329 add_cflags $cpuflags
4330 add_asflags $cpuflags
4331 test "$cc_type" = "$ld_type" && add_ldflags $cpuflags
4334 # compiler sanity check
4336 int main(void){ return 0; }
4338 if test "$?" != 0; then
4339 echo "$cc is unable to create an executable file."
4340 if test -z "$cross_prefix" && ! enabled cross_compile ; then
4341 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
4342 echo "Only do this if you know what cross compiling means."
4344 die "C compiler test failed."
4347 add_cppflags -D_ISOC99_SOURCE
4348 add_cxxflags -D__STDC_CONSTANT_MACROS
4349 check_cflags -std=c99
4350 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
4353 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
4357 add_host_cppflags -D_ISOC99_SOURCE
4358 check_host_cflags -std=c99
4359 check_host_cflags -Wall
4360 check_host_cflags -O3
4366 check_code cc "" "int test[2*($expr) - 1]" &&
4367 subarch=$arch64 || subarch=$arch32
4375 check_64bit mips mips64 '_MIPS_SIM > 1'
4379 check_64bit parisc parisc64 'sizeof(void *) > 4'
4383 check_64bit ppc ppc64 'sizeof(void *) > 4'
4387 check_64bit s390 s390x 'sizeof(void *) > 4'
4391 check_64bit sparc sparc64 'sizeof(void *) > 4'
4395 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
4396 # Treat x32 as x64 for now. Note it also needs spic=$shared
4397 test "$subarch" = "x86_32" && check_cpp_condition stddef.h 'defined(__x86_64__)' &&
4399 if test "$subarch" = "x86_64"; then
4404 check_cc <<EOF && subarch="ppc64"
4405 int test[(int)sizeof(char*) - 7];
4411 enabled spic && enable_weak pic
4417 add_cppflags '-I\$(SRC_PATH)/compat/aix'
4418 enabled shared && add_ldflags -Wl,-brtl
4422 enable section_data_rel_ro
4423 SLIB_INSTALL_NAME='$(SLIBNAME)'
4425 SHFLAGS='-shared -Wl,-soname,$(SLIBNAME)'
4428 prefix_default="/boot/common"
4429 network_extralibs="-lnetwork"
4433 SHFLAGS='-shared -Wl,-h,$$(@F)'
4434 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
4435 network_extralibs="-lsocket -lnsl"
4436 add_cppflags -D__EXTENSIONS__
4437 # When using suncc to build, the Solaris linker will mark
4438 # an executable with each instruction set encountered by
4439 # the Solaris assembler. As our libraries contain their own
4440 # guards for processor-specific code, instead suppress
4441 # generation of the HWCAPS ELF section on Solaris x86 only.
4442 enabled_all suncc x86 &&
4443 echo "hwcap_1 = OVERRIDE;" > mapfile &&
4444 add_ldflags -Wl,-M,mapfile
4445 nm_default='nm -P -g'
4446 SLIB_CREATE_DEF_CMD='$(Q)perl $(SRC_PATH)/compat/solaris/make_sunver.pl $$(filter %.ver,$$^) $(OBJS) | grep -v @ > $(SUBDIR)lib$(NAME).ver-sol2'
4450 oss_indev_extralibs="-lossaudio"
4451 oss_outdev_extralibs="-lossaudio"
4452 enabled gcc || check_ldflags -Wl,-zmuldefs
4457 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
4459 oss_indev_extralibs="-lossaudio"
4460 oss_outdev_extralibs="-lossaudio"
4468 add_extralibs -lpoll -lgnugetopt
4472 enabled ppc && add_asflags -force_cpusubtype_ALL
4473 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
4474 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
4476 add_ldflags -Wl,-dynamic,-search_paths_first
4478 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
4479 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
4481 enabled x86_64 && objformat="macho64"
4482 enabled_any pic shared x86_64 ||
4483 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
4486 die "Native MSYS builds are discouraged, please use the MINGW environment.";
4489 if test $target_os = "mingw32ce"; then
4494 decklink_outdev_extralibs="$decklink_outdev_extralibs -lole32 -loleaut32"
4495 decklink_indev_extralibs="$decklink_indev_extralibs -lole32 -loleaut32"
4497 if enabled x86_64; then
4498 LIBTARGET="i386:x86-64"
4499 elif enabled arm; then
4502 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
4503 enabled x86_32 && check_ldflags -Wl,--large-address-aware
4504 shlibdir_default="$bindir_default"
4507 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4508 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4509 dlltool="${cross_prefix}dlltool"
4510 if check_cmd lib.exe -list; then
4511 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4512 if enabled x86_64; then
4515 elif check_cmd $dlltool --version; then
4516 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
4518 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4520 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4521 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4522 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--disable-auto-image-base'
4526 check_ldflags -Wl,--nxcompat,--dynamicbase
4527 # Lets work around some stupidity in binutils.
4528 # ld will strip relocations from executables even though we need them
4529 # for dynamicbase (ASLR). Using -pie does retain the reloc section
4530 # however ld then forgets what the entry point should be (oops) so we
4531 # have to manually (re)set it.
4532 if enabled x86_32; then
4533 add_ldexeflags -Wl,--pic-executable,-e,_mainCRTStartup
4534 elif enabled x86_64; then
4535 add_ldexeflags -Wl,--pic-executable,-e,mainCRTStartup
4536 check_ldflags -Wl,--high-entropy-va # binutils 2.25
4537 # Set image base >4GB for extra entropy with HEASLR
4538 add_ldexeflags -Wl,--image-base,0x140000000
4539 append SHFLAGS -Wl,--image-base,0x180000000
4544 if enabled shared; then
4545 # Link to the import library instead of the normal static library
4548 # Cannot build both shared and static libs with MSVC or icl.
4551 enabled x86_32 && check_ldflags -LARGEADDRESSAWARE
4552 shlibdir_default="$bindir_default"
4555 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4556 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4557 SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
4558 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4560 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4561 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4562 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4569 shlibdir_default="$bindir_default"
4572 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4573 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4574 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4576 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
4577 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
4580 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
4582 *-dos|freedos|opendos)
4583 network_extralibs="-lsocket"
4586 add_cppflags -U__STRICT_ANSI__
4590 enable section_data_rel_ro
4594 ranlib="echo ignoring ranlib"
4600 add_cppflags -D_GNU_SOURCE
4601 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
4602 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
4606 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
4607 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
4608 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
4609 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
4610 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
4611 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
4612 emxexp $(OBJS) >> $(SUBDIR)$(NAME).def'
4613 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
4614 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
4615 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
4617 enable_weak os2threads
4620 add_cppflags -D_BSD_SOURCE
4625 add_cppflags -D_QNX_SOURCE
4626 network_extralibs="-lsocket"
4631 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
4632 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
4633 add_ldflags -Wl,--target1-abs,--no-undefined \
4634 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
4635 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
4636 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
4637 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
4638 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
4641 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
4646 add_cppflags -D_C99_SNPRINTF_EXTENSION \
4647 -D_REENTRANT_SOURCE \
4648 -D_RESEARCH_SOURCE \
4651 add_compat strtod.o strtod=avpriv_strtod
4652 network_extralibs='-lbsd'
4653 exeobjs=compat/plan9/main.o
4660 die "Unknown OS '$target_os'."
4664 # determine libc flavour
4669 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
4670 if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
4671 eval ${pfx}libc_type=uclibc
4672 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4673 elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then
4674 eval ${pfx}libc_type=glibc
4675 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4676 # MinGW headers can be installed on Cygwin, so check for newlib first.
4677 elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
4678 eval ${pfx}libc_type=newlib
4679 add_${pfx}cppflags -U__STRICT_ANSI__
4680 # MinGW64 is backwards compatible with MinGW32, so check for it first.
4681 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
4682 eval ${pfx}libc_type=mingw64
4683 if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then
4684 add_compat msvcrt/snprintf.o
4685 add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
4687 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4688 eval test \$${pfx_no_}cc_type = "gcc" &&
4689 add_${pfx}cppflags -D__printf__=__gnu_printf__
4690 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" ||
4691 check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
4692 eval ${pfx}libc_type=mingw32
4693 check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
4694 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
4695 die "ERROR: MinGW32 runtime version must be >= 3.15."
4696 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4697 eval test \$${pfx_no_}cc_type = "gcc" &&
4698 add_${pfx}cppflags -D__printf__=__gnu_printf__
4699 elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
4700 eval ${pfx}libc_type=msvcrt
4701 if check_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then
4702 if [ "$pfx" = host_ ]; then
4703 add_host_cppflags -Dsnprintf=_snprintf
4705 add_compat strtod.o strtod=avpriv_strtod
4706 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
4707 _snprintf=avpriv_snprintf \
4708 vsnprintf=avpriv_vsnprintf
4711 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
4712 # 0x601 by default unless something else is set by the user.
4713 # This can easily lead to us detecting functions only present
4714 # in such new versions and producing binaries requiring windows 7.0.
4715 # Therefore explicitly set the default to XP unless the user has
4716 # set something else on the command line.
4717 # Don't do this if WINAPI_FAMILY is set and is set to a non-desktop
4718 # family. For these cases, configure is free to use any functions
4719 # found in the SDK headers by default. (Alternatively, we could force
4720 # _WIN32_WINNT to 0x0602 in that case.)
4721 check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||
4722 { check_${pfx}cpp <<EOF && add_${pfx}cppflags -D_WIN32_WINNT=0x0502; }
4723 #ifdef WINAPI_FAMILY
4724 #include <winapifamily.h>
4725 #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
4730 elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
4731 eval ${pfx}libc_type=klibc
4732 elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then
4733 eval ${pfx}libc_type=bionic
4734 elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then
4735 eval ${pfx}libc_type=solaris
4736 add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
4738 check_${pfx}cc <<EOF
4740 void *v = localtime_r;
4742 test "$?" != 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
4744 void *v = localtime_r;
4750 test -n "$libc_type" && enable libc_$libc_type
4752 test -n "$host_libc_type" && enable host_libc_$host_libc_type
4756 add_compat strtod.o strtod=avpriv_strtod
4760 # hacks for compiler/libc/os combinations
4762 if enabled_all tms470 libc_glibc; then
4763 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
4764 add_cppflags -D__USER_LABEL_PREFIX__=
4765 add_cppflags -D__builtin_memset=memset
4766 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
4767 add_cflags -pds=48 # incompatible redefinition of macro
4770 if enabled_all ccc libc_glibc; then
4771 add_ldflags -Wl,-z,now # calls to libots crash without this
4774 check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||
4775 add_cppflags '-I\$(SRC_PATH)/compat/float'
4778 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
4781 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
4783 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
4786 : ${shlibdir_default:="$libdir"}
4787 : ${pkgconfigdir_default:="$libdir/pkgconfig"}
4789 set_default $PATHS_LIST
4792 # we need to build at least one lib type
4793 if ! enabled_any static shared; then
4795 At least one library type must be built.
4796 Specify --enable-static to build the static libraries or --enable-shared to
4797 build the shared libraries as well. To only build the shared libraries specify
4798 --disable-static in addition to --enable-shared.
4803 die_license_disabled() {
4804 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
4807 die_license_disabled_gpl() {
4808 enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }
4811 die_license_disabled gpl frei0r
4812 die_license_disabled gpl libcdio
4813 die_license_disabled gpl librubberband
4814 die_license_disabled gpl libsmbclient
4815 die_license_disabled gpl libutvideo
4816 die_license_disabled gpl libvidstab
4817 die_license_disabled gpl libx264
4818 die_license_disabled gpl libx265
4819 die_license_disabled gpl libxavs
4820 die_license_disabled gpl libxvid
4821 die_license_disabled gpl libzvbi
4822 die_license_disabled gpl x11grab
4824 die_license_disabled nonfree libaacplus
4825 die_license_disabled nonfree libfaac
4826 die_license_disabled nonfree nvenc
4827 enabled gpl && die_license_disabled_gpl nonfree libfdk_aac
4828 enabled gpl && die_license_disabled_gpl nonfree openssl
4830 die_license_disabled version3 gmp
4831 die_license_disabled version3 libopencore_amrnb
4832 die_license_disabled version3 libopencore_amrwb
4833 die_license_disabled version3 libsmbclient
4834 die_license_disabled version3 libvo_aacenc
4835 die_license_disabled version3 libvo_amrwbenc
4837 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
4839 disabled optimizations || check_cflags -fomit-frame-pointer
4842 disabled pic && return
4845 case "$target_os" in
4855 enabled pic && enable_weak_pic
4857 check_cc <<EOF || die "Symbol mangling check failed."
4860 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
4861 extern_prefix=${sym%%ff_extern*}
4863 check_cc <<EOF && enable_weak inline_asm
4864 void foo(void) { __asm__ volatile ("" ::); }
4868 for restrict_keyword in restrict __restrict__ __restrict; do
4869 check_cc <<EOF && _restrict=$restrict_keyword && break
4870 void foo(char * $restrict_keyword p);
4874 check_cc <<EOF && enable pragma_deprecated
4875 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
4878 check_cc <<EOF && enable attribute_packed
4879 struct { int x; } __attribute__((packed)) x;
4882 check_cc <<EOF && enable attribute_may_alias
4883 union { int x; } __attribute__((may_alias)) x;
4886 check_cc <<EOF || die "endian test failed"
4887 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
4889 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
4891 if ! enabled ppc64 || enabled bigendian; then
4896 log "check_gas using '$as' as AS"
4897 # :vararg is used on aarch64, arm and ppc altivec
4898 check_as <<EOF || return 1
4899 .macro m n, y:vararg=0
4904 # .altmacro is only used in arm asm
4905 ! enabled arm || check_as <<EOF || return 1
4912 if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then
4914 enabled_any arm aarch64 && nogas=die
4915 enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn
4919 arm*) gaspp_as_type=armasm; as_noop=-h ;;
4920 gcc) gaspp_as_type=gas ;;
4921 *) gaspp_as_type=$as_type ;;
4924 [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"
4926 test "${as#*gas-preprocessor.pl}" != "$as" ||
4927 check_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- ${as:=$cc} $as_noop &&
4928 gas="${gas:=gas-preprocessor.pl} -arch $arch -as-type $gaspp_as_type -- ${as:=$cc}"
4930 if ! check_gas ; then
4933 $nogas "GNU assembler not found, install/update gas-preprocessor"
4936 check_as <<EOF && enable as_func
4942 check_inline_asm inline_asm_labels '"1:\n"'
4944 check_inline_asm inline_asm_nonlocal_labels '"Label:\n"'
4946 if enabled aarch64; then
4947 enabled armv8 && check_insn armv8 'prfm pldl1strm, [x0]'
4948 # internal assembler in clang 3.3 does not support this instruction
4949 enabled neon && check_insn neon 'ext v0.8B, v0.8B, v1.8B, #1'
4950 enabled vfp && check_insn vfp 'fmadd d0, d0, d1, d2'
4952 map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM
4954 elif enabled alpha; then
4958 elif enabled arm; then
4960 enabled msvc && check_cpp_condition stddef.h "defined _M_ARMT" && enable thumb
4962 check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb
4963 float func(float a, float b){ return a+b; }
4966 enabled thumb && check_cflags -mthumb || check_cflags -marm
4968 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
4970 elif check_cpp_condition stddef.h "defined _M_ARM_FP && _M_ARM_FP >= 30"; then
4972 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__" && [ $target_os != darwin ]; then
4973 case "${cross_prefix:-$cc}" in
4974 *hardfloat*) enable vfp_args; fpabi=vfp ;;
4975 *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
4976 __asm__ (".eabi_attribute 28, 1");
4977 int main(void) { return 0; }
4980 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
4983 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
4984 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
4985 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
4986 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
4987 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
4988 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
4989 enabled setend && check_insn setend 'setend be'
4991 [ $target_os = linux ] || [ $target_os = android ] ||
4992 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
4995 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
4997 check_as <<EOF && enable as_dn_directive
5002 # llvm's integrated assembler supports .object_arch from llvm 3.5
5003 [ "$objformat" = elf ] && check_as <<EOF && enable as_object_arch
5007 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
5009 elif enabled mips; then
5011 enabled loongson2 && check_inline_asm loongson2 '"dmult.g $8, $9, $10"'
5012 enabled loongson3 && check_inline_asm loongson3 '"gsldxc1 $f0, 0($2, $3)"'
5013 enabled mmi && check_inline_asm mmi '"punpcklhw $f0, $f0, $f0"'
5015 # Enable minimum ISA based on selected options
5016 if enabled mips64 && (enabled mipsdsp || enabled mipsdspr2); then
5017 add_cflags "-mips64r2"
5018 add_asflags "-mips64r2"
5019 elif enabled mips64 && enabled mipsfpu && disabled loongson2 && disabled loongson3; then
5020 add_cflags "-mips64"
5021 add_asflags "-mips64"
5022 elif enabled mipsdsp || enabled mipsdspr2; then
5023 add_cflags "-mips32r2 -mfp32"
5024 add_asflags "-mips32r2 -mfp32"
5027 enabled mipsdsp && add_cflags "-mdsp" && add_asflags "-mdsp" &&
5028 check_inline_asm mipsdsp '"addu.qb $t0, $t1, $t2"'
5029 enabled mipsdspr2 && add_cflags "-mdspr2" && add_asflags "-mdspr2" &&
5030 check_inline_asm mipsdspr2 '"absq_s.qb $t0, $t1"'
5031 enabled mipsfpu && add_cflags "-mhard-float" && add_asflags "-mhard-float" &&
5032 check_inline_asm mipsfpu '"madd.d $f0, $f2, $f4, $f6"'
5033 enabled msa && check_cflags "-mmsa" && check_ldflags "-mmsa" &&
5034 check_inline_asm msa '"addvi.b $w0, $w1, 1"'
5036 enabled msa && add_asflags "-mmsa"
5038 elif enabled parisc; then
5040 if enabled gcc; then
5041 case $($cc -dumpversion) in
5042 4.[3-9].*) check_cflags -fno-optimize-sibling-calls ;;
5046 elif enabled ppc; then
5048 enable local_aligned_8 local_aligned_16 local_aligned_32
5050 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
5051 check_inline_asm ibm_asm '"add 0, 0, 0"'
5052 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
5053 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
5055 # AltiVec flags: The FSF version of GCC differs from the Apple version
5056 if enabled altivec; then
5057 check_cflags -maltivec -mabi=altivec &&
5058 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
5059 check_cflags -faltivec
5061 # check if our compiler supports Motorola AltiVec C API
5062 check_cc <<EOF || disable altivec
5065 vector signed int v1 = (vector signed int) { 0 };
5066 vector signed int v2 = (vector signed int) { 1 };
5067 v1 = vec_add(v1, v2);
5072 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
5075 if enabled vsx; then
5076 check_cflags -mvsx &&
5077 check_builtin vec_vsx_ld "altivec.h" "__builtin_vec_vsx_ld" || disable vsx
5080 if enabled power8; then
5081 check_cpp_condition "altivec.h" "defined(_ARCH_PWR8)" || disable power8
5084 elif enabled x86; then
5086 check_builtin rdtsc intrin.h "__rdtsc()"
5087 check_builtin mm_empty mmintrin.h "_mm_empty()"
5089 enable local_aligned_8 local_aligned_16 local_aligned_32
5091 # check whether EBP is available on x86
5092 # As 'i' is stored on the stack, this program will crash
5093 # if the base pointer is used to access it because the
5094 # base pointer is cleared in the inline assembly code.
5095 check_exec_crash <<EOF && enable ebp_available
5097 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
5101 # check whether EBX is available on x86
5102 check_inline_asm ebx_available '""::"b"(0)' &&
5103 check_inline_asm ebx_available '"":::"%ebx"'
5105 # check whether xmm clobbers are supported
5106 check_inline_asm xmm_clobbers '"":::"%xmm0"'
5108 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' ||
5109 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"'
5111 # check whether binutils is new enough to compile SSSE3/MMXEXT
5112 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
5113 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
5115 if ! disabled_any asm mmx yasm; then
5116 if check_cmd $yasmexe --version; then
5117 enabled x86_64 && yasm_extra="-m amd64"
5118 yasm_debug="-g dwarf2"
5119 elif check_cmd nasm -v; then
5121 yasm_debug="-g -F dwarf"
5122 if enabled x86_64; then
5123 case "$objformat" in
5124 elf) objformat=elf64 ;;
5125 win32) objformat=win64 ;;
5130 YASMFLAGS="-f $objformat $yasm_extra"
5131 enabled pic && append YASMFLAGS "-DPIC"
5132 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
5133 case "$objformat" in
5134 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
5137 check_yasm "movbe ecx, [5]" && enable yasm ||
5138 die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."
5139 check_yasm "vextracti128 xmm0, ymm0, 0" || disable avx2_external
5140 check_yasm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external
5141 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
5142 check_yasm "CPU amdnop" || disable cpunop
5146 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
5153 check_code cc arm_neon.h "int16x8_t test = vdupq_n_s16(0)" && enable intrinsics_neon
5155 check_ldflags -Wl,--as-needed
5156 check_ldflags -Wl,-z,noexecstack
5158 if check_func dlopen; then
5160 elif check_func dlopen -ldl; then
5164 frei0r_filter_extralibs='$ldl'
5165 frei0r_src_filter_extralibs='$ldl'
5166 ladspa_filter_extralibs='$ldl'
5167 nvenc_encoder_extralibs='$ldl'
5169 if ! disabled network; then
5170 check_func getaddrinfo $network_extralibs
5171 check_func inet_aton $network_extralibs
5173 check_type netdb.h "struct addrinfo"
5174 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
5175 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
5176 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
5177 check_type poll.h "struct pollfd"
5178 check_type netinet/sctp.h "struct sctp_event_subscribe"
5179 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
5180 check_type netinet/in.h "struct sockaddr_in6"
5181 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
5182 check_type "sys/types.h sys/socket.h" socklen_t
5184 # Prefer arpa/inet.h over winsock2
5185 if check_header arpa/inet.h ; then
5186 check_func closesocket
5187 elif check_header winsock2.h ; then
5188 check_func_headers winsock2.h closesocket -lws2 &&
5189 network_extralibs="-lws2" ||
5190 { check_func_headers winsock2.h closesocket -lws2_32 &&
5191 network_extralibs="-lws2_32"; } || disable winsock2_h network
5192 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
5194 check_type ws2tcpip.h socklen_t
5195 check_type ws2tcpip.h "struct addrinfo"
5196 check_type ws2tcpip.h "struct group_source_req"
5197 check_type ws2tcpip.h "struct ip_mreq_source"
5198 check_type ws2tcpip.h "struct ipv6_mreq"
5199 check_type winsock2.h "struct pollfd"
5200 check_struct winsock2.h "struct sockaddr" sa_len
5201 check_type ws2tcpip.h "struct sockaddr_in6"
5202 check_type ws2tcpip.h "struct sockaddr_storage"
5208 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
5209 check_builtin atomic_compare_exchange "" "int *ptr, *oldval; int newval; __atomic_compare_exchange_n(ptr, oldval, newval, 0, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST)"
5210 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
5211 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
5212 check_builtin sarestart signal.h "SA_RESTART"
5213 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
5214 check_builtin gmtime_r time.h "time_t *time; struct tm *tm; gmtime_r(time, tm)"
5215 check_builtin localtime_r time.h "time_t *time; struct tm *tm; localtime_r(time, tm)"
5217 case "$custom_allocator" in
5219 # jemalloc by default does not use a prefix
5220 require libjemalloc jemalloc/jemalloc.h malloc -ljemalloc
5223 require_pkg_config libtcmalloc gperftools/tcmalloc.h tc_malloc
5228 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
5229 check_func ${malloc_prefix}memalign && enable memalign
5230 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
5233 check_func_headers time.h clock_gettime || { check_func_headers time.h clock_gettime -lrt && add_extralibs -lrt && LIBRT="-lrt"; }
5236 check_func gethrtime
5238 check_func getrusage
5239 check_func gettimeofday
5241 check_func mach_absolute_time
5245 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
5246 check_func_headers time.h nanosleep || { check_func_headers time.h nanosleep -lrt && add_extralibs -lrt && LIBRT="-lrt"; }
5247 check_func sched_getaffinity
5248 check_func setrlimit
5249 check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE
5250 check_func strerror_r
5255 check_func_headers conio.h kbhit
5256 check_func_headers io.h setmode
5257 check_func_headers lzo/lzo1x.h lzo1x_999_compress
5258 check_func_headers stdlib.h getenv
5259 check_func_headers sys/stat.h lstat
5261 check_func_headers windows.h CoTaskMemFree -lole32
5262 check_func_headers windows.h GetProcessAffinityMask
5263 check_func_headers windows.h GetProcessTimes
5264 check_func_headers windows.h GetSystemTimeAsFileTime
5265 check_func_headers windows.h MapViewOfFile
5266 check_func_headers windows.h PeekNamedPipe
5267 check_func_headers windows.h SetConsoleTextAttribute
5268 check_func_headers windows.h SetConsoleCtrlHandler
5269 check_func_headers windows.h Sleep
5270 check_func_headers windows.h VirtualAlloc
5271 check_struct windows.h "CONDITION_VARIABLE" Ptr
5272 check_func_headers glob.h glob
5274 check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext
5276 check_header direct.h
5277 check_header dirent.h
5278 check_header dlfcn.h
5279 check_header d3d11.h
5281 check_header dxva2api.h -D_WIN32_WINNT=0x0600
5283 check_header libcrystalhd/libcrystalhd_if.h
5284 check_header mach/mach_time.h
5285 check_header malloc.h
5286 check_header net/udplite.h
5288 check_header sys/mman.h
5289 check_header sys/param.h
5290 check_header sys/resource.h
5291 check_header sys/select.h
5292 check_header sys/time.h
5293 check_header sys/un.h
5294 check_header termios.h
5295 check_header unistd.h
5296 check_header valgrind/valgrind.h
5297 check_header vdpau/vdpau.h
5298 check_header vdpau/vdpau_x11.h
5299 check_header VideoDecodeAcceleration/VDADecoder.h
5300 check_header VideoToolbox/VideoToolbox.h
5301 check_header windows.h
5302 check_header X11/extensions/XvMClib.h
5303 check_header asm/types.h
5305 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
5306 check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32
5307 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
5308 check_lib "CoreServices/CoreServices.h" UTGetOSTypeFromString "-framework CoreServices"
5310 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
5312 check_type "windows.h dxva.h" "DXVA_PicParams_HEVC" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0
5313 check_type "windows.h dxva.h" "DXVA_PicParams_VP9" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0
5314 check_type "windows.h d3d11.h" "ID3D11VideoDecoder"
5315 check_type "windows.h d3d11.h" "ID3D11VideoContext"
5316 check_type "d3d9.h dxva2api.h" DXVA2_ConfigPictureDecode -D_WIN32_WINNT=0x0602
5318 check_type "va/va.h" "VAPictureParameterBufferHEVC"
5320 check_type "vdpau/vdpau.h" "VdpPictureInfoHEVC"
5322 check_cpp_condition windows.h "!WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)" && enable winrt || disable winrt
5324 if ! disabled w32threads && ! enabled pthreads; then
5325 check_func_headers "windows.h process.h" _beginthreadex &&
5326 enable w32threads || disable w32threads
5327 if ! enabled w32threads && enabled winrt; then
5328 check_func_headers "windows.h" CreateThread &&
5329 enable w32threads || disable w32threads
5333 # check for some common methods of building with pthread support
5334 # do this before the optional library checks as some of them require pthreads
5335 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
5337 if check_func pthread_join -pthread && check_func pthread_create -pthread; then
5339 add_extralibs -pthread
5340 elif check_func pthread_join -pthreads && check_func pthread_create -pthreads; then
5341 add_cflags -pthreads
5342 add_extralibs -pthreads
5343 elif check_func pthread_join -ldl -pthread && check_func pthread_create -ldl -pthread; then
5344 add_cflags -ldl -pthread
5345 add_extralibs -ldl -pthread
5346 elif check_func pthread_join -lpthreadGC2 && check_func pthread_create -lpthreadGC2; then
5347 add_extralibs -lpthreadGC2
5348 elif check_lib pthread.h pthread_join -lpthread && check_lib pthread.h pthread_create -lpthread; then
5350 elif ! check_func pthread_join && ! check_func pthread_create; then
5353 check_code cc "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER" || disable pthreads
5357 if enabled pthreads; then
5358 check_func pthread_cancel
5361 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
5362 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
5363 disabled lzma || check_lib2 lzma.h lzma_version_number -llzma || disable lzma
5365 check_lib math.h sin -lm && LIBM="-lm"
5366 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
5374 for func in $MATH_FUNCS; do
5375 eval check_mathfunc $func \${${func}_args:-1}
5378 for func in $COMPLEX_FUNCS; do
5379 eval check_complexfunc $func \${${func}_args:-1}
5382 # these are off by default, so fail if requested and not available
5383 enabled avfoundation_indev && { check_header_objcc AVFoundation/AVFoundation.h || disable avfoundation_indev; }
5384 enabled avfoundation_indev && { check_lib2 CoreGraphics/CoreGraphics.h CGGetActiveDisplayList -framework CoreGraphics ||
5385 check_lib2 ApplicationServices/ApplicationServices.h CGGetActiveDisplayList -framework ApplicationServices; }
5386 enabled avisynth && { { check_lib2 "windows.h" LoadLibrary; } ||
5387 { check_lib2 "dlfcn.h" dlopen -ldl; } ||
5388 die "ERROR: LoadLibrary/dlopen not found for avisynth"; }
5389 enabled chromaprint && require chromaprint chromaprint.h chromaprint_get_version -lchromaprint
5390 enabled decklink && { check_header DeckLinkAPI.h || die "ERROR: DeckLinkAPI.h header not found"; }
5391 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
5392 enabled gcrypt && require2 gcrypt gcrypt.h gcry_mpi_new -lgcrypt
5393 enabled gmp && require2 gmp gmp.h mpz_export -lgmp
5394 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
5395 enabled ladspa && { check_header ladspa.h || die "ERROR: ladspa.h header not found"; }
5396 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
5397 enabled libaacplus && require "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
5398 enabled libass && require_pkg_config libass ass/ass.h ass_library_init
5399 enabled libbluray && require_pkg_config libbluray libbluray/bluray.h bd_open
5400 enabled libbs2b && require_pkg_config libbs2b bs2b.h bs2b_open
5401 enabled libcelt && require libcelt celt/celt.h celt_decode -lcelt0 &&
5402 { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
5403 die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
5404 enabled libcaca && require_pkg_config caca caca.h caca_create_canvas
5405 enabled libdcadec && require_pkg_config "dcadec >= 0.1.0" libdcadec/dca_context.h dcadec_context_create
5406 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
5407 enabled libfdk_aac && { use_pkg_config fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen ||
5408 { require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac &&
5409 warn "using libfdk without pkg-config"; } }
5410 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"
5411 enabled libflite && require2 libflite "flite/flite.h" flite_init $flite_libs
5412 enabled fontconfig && enable libfontconfig
5413 enabled libfontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
5414 enabled libfreetype && require_libfreetype
5415 enabled libfribidi && require_pkg_config fribidi fribidi.h fribidi_version_info
5416 enabled libgme && require libgme gme/gme.h gme_new_emu -lgme -lstdc++
5417 enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
5418 check_lib "${gsm_hdr}" gsm_create -lgsm && break;
5419 done || die "ERROR: libgsm not found"; }
5420 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
5421 enabled libkvazaar && require_pkg_config "kvazaar >= 0.7.1" kvazaar.h kvz_api_get
5422 enabled libmfx && require_pkg_config libmfx "mfx/mfxvideo.h" MFXInit
5423 enabled libmodplug && require_pkg_config libmodplug libmodplug/modplug.h ModPlug_Load
5424 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
5425 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
5426 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
5427 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
5428 enabled libopencv && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
5429 enabled libopenh264 && require_pkg_config openh264 wels/codec_api.h WelsGetCodecVersion
5430 enabled libopenjpeg && { check_lib openjpeg.h opj_version -lopenmj2 -DOPJ_STATIC ||
5431 check_lib openjpeg-1.5/openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||
5432 check_lib openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||
5433 die "ERROR: libopenjpeg not found"; }
5434 enabled libopus && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
5435 enabled libpulse && require_pkg_config libpulse pulse/pulseaudio.h pa_context_new
5436 enabled libquvi && require_pkg_config libquvi quvi/quvi.h quvi_init
5437 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
5438 enabled librubberband && require_pkg_config "rubberband >= 1.8.1" rubberband/rubberband-c.h rubberband_new
5439 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
5440 enabled libshine && require_pkg_config shine shine/layer3.h shine_encode_buffer
5441 enabled libsmbclient && { use_pkg_config smbclient libsmbclient.h smbc_init ||
5442 require smbclient libsmbclient.h smbc_init -lsmbclient; }
5443 enabled libsnappy && require snappy snappy-c.h snappy_compress -lsnappy
5444 enabled libsoxr && require libsoxr soxr.h soxr_create -lsoxr && LIBSOXR="-lsoxr"
5445 enabled libssh && require_pkg_config libssh libssh/sftp.h sftp_init
5446 enabled libspeex && require_pkg_config speex speex/speex.h speex_decoder_init -lspeex
5447 enabled libstagefright_h264 && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
5448 media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
5449 media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static
5450 enabled libtesseract && require_pkg_config tesseract tesseract/capi.h TessBaseAPICreate
5451 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
5452 enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame &&
5453 { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
5454 die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
5455 enabled libutvideo && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
5456 enabled libv4l2 && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
5457 enabled libvidstab && require_pkg_config "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit
5458 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
5459 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
5460 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
5463 enabled libvpx_vp8_decoder && {
5464 use_pkg_config "vpx >= 0.9.1" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp8_dx ||
5465 check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
5466 die "ERROR: libvpx decoder version must be >=0.9.1";
5468 enabled libvpx_vp8_encoder && {
5469 use_pkg_config "vpx >= 0.9.7" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp8_cx ||
5470 check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VP8E_SET_MAX_INTRA_BITRATE_PCT" -lvpx ||
5471 die "ERROR: libvpx encoder version must be >=0.9.7";
5473 enabled libvpx_vp9_decoder && {
5474 use_pkg_config "vpx >= 1.3.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx ||
5475 check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx ||
5476 disable libvpx_vp9_decoder;
5478 enabled libvpx_vp9_encoder && {
5479 use_pkg_config "vpx >= 1.3.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx ||
5480 check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VP9E_SET_AQ_MODE" -lvpx ||
5481 disable libvpx_vp9_encoder;
5483 if disabled_all libvpx_vp8_decoder libvpx_vp9_decoder libvpx_vp8_encoder libvpx_vp9_encoder; then
5484 die "libvpx enabled but no supported decoders found"
5488 enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack
5489 enabled libwebp && {
5490 enabled libwebp_encoder && require_pkg_config "libwebp >= 0.2.0" webp/encode.h WebPGetEncoderVersion
5491 enabled libwebp_anim_encoder && { use_pkg_config "libwebpmux >= 0.4.0" webp/mux.h WebPAnimEncoderOptionsInit || disable libwebp_anim_encoder; } }
5492 enabled libx264 && { use_pkg_config x264 "stdint.h x264.h" x264_encoder_encode ||
5493 { require libx264 x264.h x264_encoder_encode -lx264 &&
5494 warn "using libx264 without pkg-config"; } } &&
5495 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
5496 die "ERROR: libx264 must be installed and version must be >= 0.118."; } &&
5497 { check_cpp_condition x264.h "X264_MPEG2" &&
5499 enabled libx265 && require_pkg_config x265 x265.h x265_api_get &&
5500 { check_cpp_condition x265.h "X265_BUILD >= 57" ||
5501 die "ERROR: libx265 version must be >= 57."; }
5502 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
5503 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
5504 enabled libzimg && require_pkg_config zimg zimg.h zimg_get_api_version
5505 enabled libzmq && require_pkg_config libzmq zmq.h zmq_ctx_new
5506 enabled libzvbi && require libzvbi libzvbi.h vbi_decoder_new -lzvbi
5507 enabled mmal && { check_lib interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ||
5508 { ! enabled cross_compile && {
5509 add_cflags -isystem/opt/vc/include/ -isystem/opt/vc/include/interface/vmcs_host/linux -isystem/opt/vc/include/interface/vcos/pthreads -fgnu89-inline ;
5510 add_extralibs -L/opt/vc/lib/ -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ;
5511 check_lib interface/mmal/mmal.h mmal_port_connect ; }
5512 check_lib interface/mmal/mmal.h mmal_port_connect ; } ||
5513 die "ERROR: mmal not found"; }
5514 enabled netcdf && require_pkg_config netcdf netcdf.h nc_inq_libvers
5515 enabled nvenc && { check_header nvEncodeAPI.h || die "ERROR: nvEncodeAPI.h not found."; } &&
5516 { check_cpp_condition nvEncodeAPI.h "NVENCAPI_MAJOR_VERSION >= 5" ||
5517 die "ERROR: NVENC API version 4 or older is not supported"; } &&
5518 { [ $target_os != cygwin ] || die "ERROR: NVENC is not supported on Cygwin currently."; }
5519 enabled openal && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
5520 check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
5521 die "ERROR: openal not found"; } &&
5522 { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
5523 die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
5524 enabled opencl && { check_lib2 OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||
5525 check_lib2 CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||
5526 die "ERROR: opencl not found"; } &&
5527 { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||
5528 check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||
5529 die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }
5530 enabled opengl && { check_lib GL/glx.h glXGetProcAddress "-lGL" ||
5531 check_lib2 windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||
5532 check_lib2 OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||
5533 check_lib2 ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||
5534 die "ERROR: opengl not found."
5536 enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
5537 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
5538 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
5539 die "ERROR: openssl not found"; }
5540 enabled qtkit_indev && { check_header_objcc QTKit/QTKit.h || disable qtkit_indev; }
5543 if enabled libdc1394; then
5544 { require_pkg_config libdc1394-2 dc1394/dc1394.h dc1394_new &&
5545 enable libdc1394_2; } ||
5546 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
5547 enable libdc1394_1; } ||
5548 die "ERROR: No version of libdc1394 found "
5550 if ! disabled sdl; then
5551 SDL_CONFIG="${cross_prefix}sdl-config"
5552 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
5553 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
5554 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
5557 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
5558 sdl_cflags=$("${SDL_CONFIG}" --cflags)
5559 sdl_libs=$("${SDL_CONFIG}" --libs)
5560 check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
5561 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
5562 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
5564 elif enabled sdl ; then
5565 die "ERROR: SDL not found"
5570 if test $target_os = "mingw32"; then
5571 sdl_libs="$sdl_libs -mconsole"
5574 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
5576 disabled securetransport || { check_func SecIdentityCreate "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&
5577 check_lib2 "Security/SecureTransport.h Security/Security.h" "SSLCreateContext SecItemImport" "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&
5578 enable securetransport; }
5580 disabled schannel || { check_func_headers "windows.h Security.h" InitializeSecurityContext -DSECURITY_WIN32 -lSecur32 &&
5581 enable schannel && add_extralibs -lSecur32; }
5583 makeinfo --version > /dev/null 2>&1 && enable makeinfo || disable makeinfo
5585 && [ 0$(makeinfo --version | grep "texinfo" | sed 's/.*texinfo[^0-9]*\([0-9]*\)\..*/\1/') -ge 5 ] \
5586 && enable makeinfo_html || disable makeinfo_html
5587 disabled makeinfo_html && texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
5588 perl -v > /dev/null 2>&1 && enable perl || disable perl
5589 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
5590 rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout
5592 check_header linux/fb.h
5593 check_header linux/videodev.h
5594 check_header linux/videodev2.h
5595 check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete
5597 check_header sys/videoio.h
5598 check_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete
5600 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
5601 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
5602 # w32api 3.12 had it defined wrong
5603 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
5605 check_type "dshow.h" IBaseFilter
5607 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
5608 { check_header dev/bktr/ioctl_meteor.h &&
5609 check_header dev/bktr/ioctl_bt848.h; } ||
5610 { check_header machine/ioctl_meteor.h &&
5611 check_header machine/ioctl_bt848.h; } ||
5612 { check_header dev/video/meteor/ioctl_meteor.h &&
5613 check_header dev/video/bktr/ioctl_bt848.h; } ||
5614 check_header dev/ic/bt8xx.h
5616 check_header sndio.h
5617 if check_struct sys/soundcard.h audio_buf_info bytes; then
5618 enable_safe sys/soundcard.h
5620 check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
5621 #include <sys/soundcard.h>
5625 check_header soundcard.h
5627 enabled_any alsa_indev alsa_outdev &&
5628 check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
5630 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait &&
5631 check_func jack_port_get_latency_range -ljack
5633 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
5635 if enabled libcdio; then
5636 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
5637 check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
5638 die "ERROR: No usable libcdio/cdparanoia found"
5642 check_lib X11/Xlib.h XOpenDisplay -lX11 || disable xlib
5644 if ! disabled libxcb; then
5645 check_pkg_config "xcb >= 1.4" xcb/xcb.h xcb_connect || {
5646 enabled libxcb && die "ERROR: libxcb >= 1.4 not found";
5647 } && disable x11grab && enable libxcb
5649 if enabled libxcb; then
5650 disabled libxcb_shm || {
5651 check_pkg_config xcb-shm xcb/shm.h xcb_shm_attach || {
5652 enabled libxcb_shm && die "ERROR: libxcb_shm not found";
5653 } && check_header sys/shm.h && enable libxcb_shm; }
5655 disabled libxcb_xfixes || {
5656 check_pkg_config xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image || {
5657 enabled libxcb_xfixes && die "ERROR: libxcb_xfixes not found";
5658 } && enable libxcb_xfixes; }
5660 disabled libxcb_shape || {
5661 check_pkg_config xcb-shape xcb/shape.h xcb_shape_get_rectangles || {
5662 enabled libxcb_shape && die "ERROR: libxcb_shape not found";
5663 } && enable libxcb_shape; }
5665 add_cflags $xcb_cflags $xcb_shm_cflags $xcb_xfixes_cflags $xcb_shape_cflags
5666 add_extralibs $xcb_libs $xcb_shm_libs $xcb_xfixes_libs $xcb_shape_libs
5670 if enabled x11grab; then
5671 enabled xlib || die "ERROR: Xlib not found"
5672 require Xext X11/extensions/XShm.h XShmCreateImage -lXext
5673 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
5676 check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs"
5678 enabled dxva2api_h &&
5679 check_cc <<EOF && enable dxva2api_cobj
5680 #define _WIN32_WINNT 0x0600
5682 #include <windows.h>
5684 #include <dxva2api.h>
5685 int main(void) { IDirectXVideoDecoder *o = NULL; IDirectXVideoDecoder_Release(o); return 0; }
5689 check_lib va/va.h vaInitialize -lva ||
5692 enabled vaapi && enabled xlib &&
5693 check_lib2 "va/va.h va/va_x11.h" vaGetDisplay -lva -lva-x11 &&
5697 check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
5700 enabled vdpau && enabled xlib &&
5701 check_func_headers "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau &&
5702 prepend ffmpeg_libs $($ldflags_filter "-lvdpau") &&
5705 # Funny iconv installations are not unusual, so check it after all flags have been set
5706 disabled iconv || check_func_headers iconv.h iconv || check_lib2 iconv.h iconv -liconv || disable iconv
5708 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
5710 # add some useful compiler flags if supported
5711 check_cflags -Wdeclaration-after-statement
5713 check_cflags -Wdisabled-optimization
5714 check_cflags -Wpointer-arith
5715 check_cflags -Wredundant-decls
5716 check_cflags -Wwrite-strings
5717 check_cflags -Wtype-limits
5718 check_cflags -Wundef
5719 check_cflags -Wmissing-prototypes
5720 check_cflags -Wno-pointer-to-int-cast
5721 check_cflags -Wstrict-prototypes
5722 check_cflags -Wempty-body
5723 enabled extra_warnings && check_cflags -Winline
5724 enabled extra_warnings && check_cflags -Wcast-qual
5726 check_disable_warning(){
5727 warning_flag=-W${1#-Wno-}
5728 test_cflags $warning_flag && add_cflags $1
5731 check_disable_warning -Wno-parentheses
5732 check_disable_warning -Wno-switch
5733 check_disable_warning -Wno-format-zero-length
5734 check_disable_warning -Wno-pointer-sign
5736 # add some linker flags
5737 check_ldflags -Wl,--warn-common
5738 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
5739 enabled rpath && add_ldexeflags -Wl,-rpath,$libdir
5740 enabled rpath && add_ldlibflags -Wl,-rpath,$libdir
5741 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
5743 # add some strip flags
5744 # -wN '..@*' is more selective than -x, but not available everywhere.
5745 check_stripflags -wN \'..@*\' || check_stripflags -x
5747 enabled neon_clobber_test &&
5748 check_ldflags -Wl,--wrap,avcodec_open2 \
5749 -Wl,--wrap,avcodec_decode_audio4 \
5750 -Wl,--wrap,avcodec_decode_video2 \
5751 -Wl,--wrap,avcodec_decode_subtitle2 \
5752 -Wl,--wrap,avcodec_encode_audio2 \
5753 -Wl,--wrap,avcodec_encode_video2 \
5754 -Wl,--wrap,avcodec_encode_subtitle \
5755 -Wl,--wrap,swr_convert \
5756 -Wl,--wrap,avresample_convert ||
5757 disable neon_clobber_test
5759 enabled xmm_clobber_test &&
5760 check_ldflags -Wl,--wrap,avcodec_open2 \
5761 -Wl,--wrap,avcodec_decode_audio4 \
5762 -Wl,--wrap,avcodec_decode_video2 \
5763 -Wl,--wrap,avcodec_decode_subtitle2 \
5764 -Wl,--wrap,avcodec_encode_audio2 \
5765 -Wl,--wrap,avcodec_encode_video2 \
5766 -Wl,--wrap,avcodec_encode_subtitle \
5767 -Wl,--wrap,swr_convert \
5768 -Wl,--wrap,avresample_convert \
5769 -Wl,--wrap,sws_scale ||
5770 disable xmm_clobber_test
5772 echo "X { local: *; };" > $TMPV
5773 if test_ldflags -Wl,--version-script,$TMPV; then
5774 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
5775 elif test_ldflags -Wl,-M,$TMPV; then
5776 append SHFLAGS '-Wl,-M,\$(SUBDIR)lib\$(NAME).ver-sol2'
5779 check_cc <<EOF && enable symver_asm_label
5780 void ff_foo(void) __asm__ ("av_foo@VERSION");
5781 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
5783 check_cc <<EOF && enable symver_gnu_asm
5784 __asm__(".symver ff_foo,av_foo@VERSION");
5785 void ff_foo(void) {}
5788 if [ -z "$optflags" ]; then
5789 if enabled small; then
5790 optflags=$cflags_size
5791 elif enabled optimizations; then
5792 optflags=$cflags_speed
5794 optflags=$cflags_noopt
5800 enabled lto && check_ldflags "$@"
5804 if enabled lto; then
5805 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
5807 check_ldflags -flto $cpuflags
5808 disable inline_asm_direct_symbol_refs
5811 check_optflags $optflags
5812 check_optflags -fno-math-errno
5813 check_optflags -fno-signed-zeros
5815 enabled ftrapv && check_cflags -ftrapv
5817 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
5822 if enabled icc; then
5823 # Just warnings, no remarks
5825 # -wd: Disable following warnings
5826 # 144, 167, 556: -Wno-pointer-sign
5827 # 188: enumerated type mixed with another type
5828 # 1292: attribute "foo" ignored
5829 # 1419: external declaration in primary source file
5830 # 10006: ignoring unknown option -fno-signed-zeros
5831 # 10148: ignoring unknown option -Wno-parentheses
5832 # 10156: ignoring option '-W'; no argument required
5833 # 13200: No EMMS instruction before call to function
5834 # 13203: No EMMS instruction before return from function
5835 check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156,13200,13203
5836 # 11030: Warning unknown option --as-needed
5837 # 10156: ignoring option '-export'; no argument required
5838 check_ldflags -wd10156,11030
5839 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
5840 enable ebp_available
5841 # The test above does not test linking
5842 enabled lto && disable symver_asm_label
5843 if enabled x86_32; then
5844 icc_version=$($cc -dumpversion)
5845 test ${icc_version%%.*} -ge 11 &&
5846 check_cflags -falign-stack=maintain-16-byte ||
5847 disable aligned_stack
5849 elif enabled ccc; then
5850 # disable some annoying warnings
5851 add_cflags -msg_disable bitnotint
5852 add_cflags -msg_disable mixfuncvoid
5853 add_cflags -msg_disable nonstandcast
5854 add_cflags -msg_disable unsupieee
5855 elif enabled gcc; then
5856 check_optflags -fno-tree-vectorize
5857 check_cflags -Werror=format-security
5858 check_cflags -Werror=implicit-function-declaration
5859 check_cflags -Werror=missing-prototypes
5860 check_cflags -Werror=return-type
5861 check_cflags -Werror=vla
5862 check_cflags -Wformat
5863 check_cflags -fdiagnostics-color=auto
5864 enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized
5865 elif enabled llvm_gcc; then
5866 check_cflags -mllvm -stack-alignment=16
5867 elif enabled clang; then
5868 check_cflags -mllvm -stack-alignment=16
5869 check_cflags -Qunused-arguments
5870 check_cflags -Werror=implicit-function-declaration
5871 check_cflags -Werror=missing-prototypes
5872 check_cflags -Werror=return-type
5873 elif enabled cparser; then
5874 add_cflags -Wno-missing-variable-declarations
5875 add_cflags -Wno-empty-statement
5876 elif enabled armcc; then
5877 add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat
5878 add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir
5879 # 2523: use of inline assembly is deprecated
5880 add_cflags -W${armcc_opt},--diag_suppress=2523
5881 add_cflags -W${armcc_opt},--diag_suppress=1207
5882 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
5883 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
5884 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
5885 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
5886 elif enabled tms470; then
5887 add_cflags -pds=824 -pds=837
5889 elif enabled pathscale; then
5890 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
5891 elif enabled_any msvc icl; then
5892 enabled x86_32 && disable aligned_stack
5893 enabled_all x86_32 debug && add_cflags -Oy-
5894 enabled debug && add_ldflags -debug
5895 enable pragma_deprecated
5896 if enabled icl; then
5897 # -Qansi-alias is basically -fstrict-aliasing, but does not work
5898 # (correctly) on icl 13.x.
5899 check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&
5900 add_cflags -Qansi-alias
5901 # Some inline asm is not compilable in debug
5902 if enabled debug; then
5903 disable ebp_available
5904 disable ebx_available
5907 # msvcrt10 x64 incorrectly enables log2, only msvcrt12 (MSVC 2013) onwards actually has log2.
5908 check_cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION >= 12" || disable log2
5909 # The CRT headers contain __declspec(restrict) in a few places, but if redefining
5910 # restrict, this might break. MSVC 2010 and 2012 fail with __declspec(__restrict)
5911 # (as it ends up if the restrict redefine is done before including stdlib.h), while
5912 # MSVC 2013 and newer can handle it fine.
5913 # If this declspec fails, force including stdlib.h before the restrict redefinition
5914 # happens in config.h.
5915 if [ $_restrict != restrict ]; then
5916 check_cc <<EOF || add_cflags -FIstdlib.h
5917 __declspec($_restrict) void* foo(int);
5920 check_func strtoll || add_cflags -Dstrtoll=_strtoi64
5923 for pfx in "" host_; do
5924 varname=${pfx%_}cc_type
5925 eval "type=\$$varname"
5926 if [ $type = "msvc" ]; then
5927 check_${pfx}cc <<EOF || add_${pfx}cflags -Dinline=__inline
5928 static inline int foo(int a) { return a; }
5935 add_asflags -Qunused-arguments
5941 check_ldflags -Qunused-arguments
5947 enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'
5950 add_cppflags -Dmain=plan9_main
5954 enable frame_thread_encoder
5956 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
5958 check_deps $CONFIG_LIST \
5963 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"
5966 if test $target_os = "haiku"; then
5968 disable posix_memalign
5971 enabled_all dxva2 dxva2api_cobj CoTaskMemFree &&
5972 prepend ffmpeg_libs $($ldflags_filter "-lole32" "-luser32") &&
5975 ! enabled_any memalign posix_memalign aligned_malloc &&
5976 enabled simd_align_16 && enable memalign_hack
5979 # -> enable ${lib}_deps_${dep}
5980 # -> add $dep to ${lib}_deps only once
5984 enabled "${lib}_deps_${dep}" && return 0
5985 enable "${lib}_deps_${dep}"
5986 prepend "${lib}_deps" $dep
5989 # merge deps lib components
5990 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
5995 enabled $comp || continue
5996 eval "dep=\"\$${comp}_deps\""
6003 merge_deps libavfilter $FILTER_LIST
6005 map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST
6007 for thread in $THREADS_LIST; do
6008 if enabled $thread; then
6009 test -n "$thread_type" &&
6010 die "ERROR: Only one thread type must be selected." ||
6011 thread_type="$thread"
6015 enabled zlib && add_cppflags -DZLIB_CONST
6017 # conditional library dependencies, in linking order
6018 enabled amovie_filter && prepend avfilter_deps "avformat avcodec"
6019 enabled aresample_filter && prepend avfilter_deps "swresample"
6020 enabled asyncts_filter && prepend avfilter_deps "avresample"
6021 enabled atempo_filter && prepend avfilter_deps "avcodec"
6022 enabled cover_rect_filter && prepend avfilter_deps "avformat avcodec"
6023 enabled ebur128_filter && enabled swresample && prepend avfilter_deps "swresample"
6024 enabled elbg_filter && prepend avfilter_deps "avcodec"
6025 enabled fftfilt_filter && prepend avfilter_deps "avcodec"
6026 enabled find_rect_filter && prepend avfilter_deps "avformat avcodec"
6027 enabled mcdeint_filter && prepend avfilter_deps "avcodec"
6028 enabled movie_filter && prepend avfilter_deps "avformat avcodec"
6029 enabled pan_filter && prepend avfilter_deps "swresample"
6030 enabled pp_filter && prepend avfilter_deps "postproc"
6031 enabled removelogo_filter && prepend avfilter_deps "avformat avcodec swscale"
6032 enabled resample_filter && prepend avfilter_deps "avresample"
6033 enabled sab_filter && prepend avfilter_deps "swscale"
6034 enabled scale_filter && prepend avfilter_deps "swscale"
6035 enabled scale2ref_filter && prepend avfilter_deps "swscale"
6036 enabled sofalizer_filter && prepend avfilter_deps "avcodec"
6037 enabled showfreqs_filter && prepend avfilter_deps "avcodec"
6038 enabled showspectrum_filter && prepend avfilter_deps "avcodec"
6039 enabled smartblur_filter && prepend avfilter_deps "swscale"
6040 enabled subtitles_filter && prepend avfilter_deps "avformat avcodec"
6041 enabled uspp_filter && prepend avfilter_deps "avcodec"
6043 enabled lavfi_indev && prepend avdevice_deps "avfilter"
6045 enabled opus_decoder && prepend avcodec_deps "swresample"
6049 eval "deps=\$$lib_deps"
6050 append $lib_deps $(map 'eval echo \$${v}_deps' $deps)
6054 #we have to remove gpl from the deps here as some code assumes all lib deps are libs
6055 postproc_deps="$(filter_out 'gpl' $postproc_deps)"
6057 map 'expand_deps $v' $LIBRARY_LIST
6059 echo "install prefix $prefix"
6060 echo "source path $source_path"
6061 echo "C compiler $cc"
6062 echo "C library $libc_type"
6063 if test "$host_cc" != "$cc"; then
6064 echo "host C compiler $host_cc"
6065 echo "host C library $host_libc_type"
6067 echo "ARCH $arch ($cpu)"
6068 if test "$build_suffix" != ""; then
6069 echo "build suffix $build_suffix"
6071 if test "$progs_suffix" != ""; then
6072 echo "progs suffix $progs_suffix"
6074 if test "$extra_version" != ""; then
6075 echo "version string suffix $extra_version"
6077 echo "big-endian ${bigendian-no}"
6078 echo "runtime cpu detection ${runtime_cpudetect-no}"
6079 if enabled x86; then
6080 echo "${yasmexe} ${yasm-no}"
6081 echo "MMX enabled ${mmx-no}"
6082 echo "MMXEXT enabled ${mmxext-no}"
6083 echo "3DNow! enabled ${amd3dnow-no}"
6084 echo "3DNow! extended enabled ${amd3dnowext-no}"
6085 echo "SSE enabled ${sse-no}"
6086 echo "SSSE3 enabled ${ssse3-no}"
6087 echo "AESNI enabled ${aesni-no}"
6088 echo "AVX enabled ${avx-no}"
6089 echo "XOP enabled ${xop-no}"
6090 echo "FMA3 enabled ${fma3-no}"
6091 echo "FMA4 enabled ${fma4-no}"
6092 echo "i686 features enabled ${i686-no}"
6093 echo "CMOV is fast ${fast_cmov-no}"
6094 echo "EBX available ${ebx_available-no}"
6095 echo "EBP available ${ebp_available-no}"
6097 if enabled aarch64; then
6098 echo "NEON enabled ${neon-no}"
6099 echo "VFP enabled ${vfp-no}"
6101 if enabled arm; then
6102 echo "ARMv5TE enabled ${armv5te-no}"
6103 echo "ARMv6 enabled ${armv6-no}"
6104 echo "ARMv6T2 enabled ${armv6t2-no}"
6105 echo "VFP enabled ${vfp-no}"
6106 echo "NEON enabled ${neon-no}"
6107 echo "THUMB enabled ${thumb-no}"
6109 if enabled mips; then
6110 echo "MIPS FPU enabled ${mipsfpu-no}"
6111 echo "MIPS DSP R1 enabled ${mipsdsp-no}"
6112 echo "MIPS DSP R2 enabled ${mipsdspr2-no}"
6113 echo "MIPS MSA enabled ${msa-no}"
6114 echo "LOONGSON MMI enabled ${mmi-no}"
6116 if enabled ppc; then
6117 echo "AltiVec enabled ${altivec-no}"
6118 echo "VSX enabled ${vsx-no}"
6119 echo "POWER8 enabled ${power8-no}"
6120 echo "PPC 4xx optimizations ${ppc4xx-no}"
6121 echo "dcbzl available ${dcbzl-no}"
6123 echo "debug symbols ${debug-no}"
6124 echo "strip symbols ${stripping-no}"
6125 echo "optimize for size ${small-no}"
6126 echo "optimizations ${optimizations-no}"
6127 echo "static ${static-no}"
6128 echo "shared ${shared-no}"
6129 echo "postprocessing support ${postproc-no}"
6130 echo "new filter support ${avfilter-no}"
6131 echo "network support ${network-no}"
6132 echo "threading support ${thread_type-no}"
6133 echo "safe bitstream reader ${safe_bitstream_reader-no}"
6134 echo "SDL support ${sdl-no}"
6135 echo "opencl enabled ${opencl-no}"
6136 echo "texi2html enabled ${texi2html-no}"
6137 echo "perl enabled ${perl-no}"
6138 echo "pod2man enabled ${pod2man-no}"
6139 echo "makeinfo enabled ${makeinfo-no}"
6140 echo "makeinfo supports HTML ${makeinfo_html-no}"
6141 test -n "$random_seed" &&
6142 echo "random seed ${random_seed}"
6145 echo "Enabled programs:"
6146 print_enabled '' $PROGRAM_LIST | print_in_columns
6149 echo "External libraries:"
6150 print_enabled '' $EXTERNAL_LIBRARY_LIST | print_in_columns
6153 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
6154 echo "Enabled ${type}s:"
6155 eval list=\$$(toupper $type)_LIST
6156 print_enabled '_*' $list | print_in_columns
6160 license="LGPL version 2.1 or later"
6161 if enabled nonfree; then
6162 license="nonfree and unredistributable"
6163 elif enabled gplv3; then
6164 license="GPL version 3 or later"
6165 elif enabled lgplv3; then
6166 license="LGPL version 3 or later"
6167 elif enabled gpl; then
6168 license="GPL version 2 or later"
6171 echo "License: $license"
6173 echo "Creating config.mak, config.h, and doc/config.texi..."
6175 test -e Makefile || echo "include $source_path/Makefile" > Makefile
6177 enabled stripping || strip="echo skipping strip"
6179 config_files="$TMPH config.mak doc/config.texi"
6181 cat > config.mak <<EOF
6182 # Automatically generated by configure - do not modify!
6183 ifndef FFMPEG_CONFIG_MAK
6185 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
6187 LIBDIR=\$(DESTDIR)$libdir
6188 SHLIBDIR=\$(DESTDIR)$shlibdir
6189 INCDIR=\$(DESTDIR)$incdir
6190 BINDIR=\$(DESTDIR)$bindir
6191 DATADIR=\$(DESTDIR)$datadir
6192 DOCDIR=\$(DESTDIR)$docdir
6193 MANDIR=\$(DESTDIR)$mandir
6194 PKGCONFIGDIR=\$(DESTDIR)$pkgconfigdir
6195 SRC_PATH=$source_path
6196 ifndef MAIN_MAKEFILE
6197 SRC_PATH:=\$(SRC_PATH:.%=..%)
6201 INTRINSICS=$intrinsics
6208 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
6210 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
6223 OBJCFLAGS=$OBJCFLAGS
6243 LDEXEFLAGS=$LDEXEFLAGS
6244 LDLIBFLAGS=$LDLIBFLAGS
6245 SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
6246 ASMSTRIPFLAGS=$ASMSTRIPFLAGS
6247 YASMFLAGS=$YASMFLAGS
6248 BUILDSUF=$build_suffix
6249 PROGSSUF=$progs_suffix
6257 EXTRA_VERSION=$extra_version
6260 CCDEP_FLAGS=$CCDEP_FLAGS
6262 ASDEP_FLAGS=$ASDEP_FLAGS
6263 CC_DEPFLAGS=$CC_DEPFLAGS
6264 AS_DEPFLAGS=$AS_DEPFLAGS
6267 HOSTCFLAGS=$host_cflags
6268 HOSTCPPFLAGS=$host_cppflags
6269 HOSTEXESUF=$HOSTEXESUF
6270 HOSTLDFLAGS=$host_ldflags
6273 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
6274 HOSTCCDEP=$HOSTCCDEP
6275 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
6276 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
6280 TARGET_EXEC=$target_exec $target_exec_args
6281 TARGET_PATH=$target_path
6282 TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}
6283 CFLAGS-ffplay=$sdl_cflags
6284 ZLIB=$($ldflags_filter -lz)
6285 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
6286 EXTRALIBS=$extralibs
6287 COMPAT_OBJS=$compat_objs
6290 LIBTARGET=${LIBTARGET}
6291 SLIBNAME=${SLIBNAME}
6292 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
6293 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
6294 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
6295 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
6296 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
6297 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
6298 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
6299 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
6300 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
6301 NOREDZONE_FLAGS=$noredzone_flags
6306 name=$(toupper $lcname)
6307 file=$source_path/$lcname/version.h
6308 eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")
6309 enabled raise_major && eval ${name}_VERSION_MAJOR=$((${name}_VERSION_MAJOR+100))
6310 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
6311 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
6312 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
6313 eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak
6316 map 'get_version $v' $LIBRARY_LIST
6318 map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> config.mak' $LIBRARY_LIST
6320 print_program_libs(){
6321 eval "program_libs=\$${1}_libs"
6322 eval echo "LIBS-${1}=${program_libs}" >> config.mak
6325 map 'print_program_libs $v' $PROGRAM_LIST
6328 /* Automatically generated by configure - do not modify! */
6329 #ifndef FFMPEG_CONFIG_H
6330 #define FFMPEG_CONFIG_H
6331 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
6332 #define FFMPEG_LICENSE "$(c_escape $license)"
6333 #define CONFIG_THIS_YEAR 2015
6334 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
6335 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
6336 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
6337 #define av_restrict $_restrict
6338 #define EXTERN_PREFIX "${extern_prefix}"
6339 #define EXTERN_ASM ${extern_prefix}
6340 #define BUILDSUF "$build_suffix"
6341 #define SLIBSUF "$SLIBSUF"
6342 #define HAVE_MMX2 HAVE_MMXEXT
6343 #define SWS_MAX_FILTER_SIZE $sws_max_filter_size
6346 test -n "$assert_level" &&
6347 echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
6349 test -n "$malloc_prefix" &&
6350 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
6352 if enabled yasm; then
6353 append config_files $TMPASM
6357 enabled getenv || echo "#define getenv(x) NULL" >> $TMPH
6363 echo "@c auto-generated by configure - do not modify! " > doc/config.texi
6365 print_config ARCH_ "$config_files" $ARCH_LIST
6366 print_config HAVE_ "$config_files" $HAVE_LIST
6367 print_config CONFIG_ "$config_files" $CONFIG_LIST \
6371 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
6372 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
6374 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
6375 cp_if_changed $TMPH config.h
6378 enabled yasm && cp_if_changed $TMPASM config.asm
6381 /* Generated by ffconf */
6382 #ifndef AVUTIL_AVCONFIG_H
6383 #define AVUTIL_AVCONFIG_H
6386 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
6388 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
6390 cp_if_changed $TMPH libavutil/avconfig.h
6392 if test -n "$WARNINGS"; then
6393 printf "\n%s%s$WARNINGS%s" "$warn_color" "$bold_color" "$reset_color"
6394 enabled fatal_warnings && exit 1
6397 # build pkg-config files
6400 eval printf "\"lib${1}${build_suffix} >= \$LIB$(toupper ${1})_VERSION, \""
6403 pkgconfig_generate(){
6405 shortname=${name#lib}${build_suffix}
6409 requires=$(map 'lib_version $v' $(eval echo \$${name#lib}_deps))
6410 requires=${requires%, }
6411 enabled ${name#lib} || return 0
6413 cat <<EOF > $name/$name${build_suffix}.pc
6415 exec_prefix=\${prefix}
6420 Description: $comment
6422 Requires: $(enabled shared || echo $requires)
6423 Requires.private: $(enabled shared && echo $requires)
6425 Libs: -L\${libdir} $(enabled rpath && echo "-Wl,-rpath,\${libdir}") -l${shortname} $(enabled shared || echo $libs)
6426 Libs.private: $(enabled shared && echo $libs)
6427 Cflags: -I\${includedir}
6430 mkdir -p doc/examples/pc-uninstalled
6431 includedir=${source_path}
6432 [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."
6433 cat <<EOF > doc/examples/pc-uninstalled/$name.pc
6436 libdir=\${pcfiledir}/../../../$name
6437 includedir=${includedir}
6440 Description: $comment
6444 Libs: -L\${libdir} -Wl,-rpath,\${libdir} -l${shortname} $(enabled shared || echo $libs)
6445 Cflags: -I\${includedir}
6449 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBRT $LIBM"
6450 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs"
6451 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs"
6452 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs"
6453 pkgconfig_generate libavfilter "FFmpeg audio/video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
6454 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" ""
6455 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$LIBM"
6456 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM"
6457 pkgconfig_generate libswresample "FFmpeg audio resampling library" "$LIBSWRESAMPLE_VERSION" "$LIBM $LIBSOXR"