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-nvenc enable NVIDIA NVENC support [no]
283 --enable-openal enable OpenAL 1.1 capture support [no]
284 --enable-opencl enable OpenCL code
285 --enable-opengl enable OpenGL rendering [no]
286 --enable-openssl enable openssl, needed for https support
287 if gnutls is not used [no]
288 --disable-schannel disable SChannel SSP, needed for TLS support on
289 Windows if openssl and gnutls are not used [autodetect]
290 --disable-sdl disable sdl [autodetect]
291 --disable-securetransport disable Secure Transport, needed for TLS support
292 on OSX if openssl and gnutls are not used [autodetect]
293 --enable-x11grab enable X11 grabbing (legacy) [no]
294 --disable-xlib disable xlib [autodetect]
295 --disable-zlib disable zlib [autodetect]
298 --arch=ARCH select architecture [$arch]
299 --cpu=CPU select the minimum required CPU (affects
300 instruction selection, may crash on older CPUs)
301 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
302 --progs-suffix=SUFFIX program name suffix []
303 --enable-cross-compile assume a cross-compiler is used
304 --sysroot=PATH root of cross-build tree
305 --sysinclude=PATH location of cross-build system headers
306 --target-os=OS compiler targets OS [$target_os]
307 --target-exec=CMD command to run executables on target
308 --target-path=DIR path to view of build directory on target
309 --target-samples=DIR path to samples directory on target
310 --tempprefix=PATH force fixed dir/prefix instead of mktemp for checks
311 --toolchain=NAME set tool defaults according to NAME
312 --nm=NM use nm tool NM [$nm_default]
313 --ar=AR use archive tool AR [$ar_default]
314 --as=AS use assembler AS [$as_default]
315 --windres=WINDRES use windows resource compiler WINDRES [$windres_default]
316 --yasmexe=EXE use yasm-compatible assembler EXE [$yasmexe_default]
317 --cc=CC use C compiler CC [$cc_default]
318 --cxx=CXX use C compiler CXX [$cxx_default]
319 --objcc=OCC use ObjC compiler OCC [$cc_default]
320 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
321 --ld=LD use linker LD [$ld_default]
322 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
323 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
324 --ranlib=RANLIB use ranlib RANLIB [$ranlib_default]
325 --doxygen=DOXYGEN use DOXYGEN to generate API doc [$doxygen_default]
326 --host-cc=HOSTCC use host C compiler HOSTCC
327 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
328 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
329 --host-ld=HOSTLD use host linker HOSTLD
330 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
331 --host-libs=HLIBS use libs HLIBS when linking for host
332 --host-os=OS compiler host OS [$target_os]
333 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
334 --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
335 --extra-objcflags=FLAGS add FLAGS to OBJCFLAGS [$CFLAGS]
336 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
337 --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
338 --extra-ldlibflags=ELDFLAGS add ELDFLAGS to LDLIBFLAGS [$LDLIBFLAGS]
339 --extra-libs=ELIBS add ELIBS [$ELIBS]
340 --extra-version=STRING version string suffix []
341 --optflags=OPTFLAGS override optimization-related compiler flags
342 --build-suffix=SUFFIX library name suffix []
343 --enable-pic build position-independent code
344 --enable-thumb compile for Thumb instruction set
345 --enable-lto use link-time optimization
346 --env="ENV=override" override the environment variables
348 Advanced options (experts only):
349 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
350 --custom-allocator=NAME use a supported custom allocator
351 --disable-symver disable symbol versioning
352 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
353 --disable-safe-bitstream-reader
354 disable buffer boundary checking in bitreaders
355 (faster, but may crash)
356 --enable-memalign-hack emulate memalign, interferes with memory debuggers
357 --sws-max-filter-size=N the max filter size swscale uses [$sws_max_filter_size_default]
359 Optimization options (experts only):
360 --disable-asm disable all assembly optimizations
361 --disable-altivec disable AltiVec optimizations
362 --disable-vsx disable VSX optimizations
363 --disable-power8 disable POWER8 optimizations
364 --disable-amd3dnow disable 3DNow! optimizations
365 --disable-amd3dnowext disable 3DNow! extended optimizations
366 --disable-mmx disable MMX optimizations
367 --disable-mmxext disable MMXEXT optimizations
368 --disable-sse disable SSE optimizations
369 --disable-sse2 disable SSE2 optimizations
370 --disable-sse3 disable SSE3 optimizations
371 --disable-ssse3 disable SSSE3 optimizations
372 --disable-sse4 disable SSE4 optimizations
373 --disable-sse42 disable SSE4.2 optimizations
374 --disable-avx disable AVX optimizations
375 --disable-xop disable XOP optimizations
376 --disable-fma3 disable FMA3 optimizations
377 --disable-fma4 disable FMA4 optimizations
378 --disable-avx2 disable AVX2 optimizations
379 --disable-aesni disable AESNI optimizations
380 --disable-armv5te disable armv5te optimizations
381 --disable-armv6 disable armv6 optimizations
382 --disable-armv6t2 disable armv6t2 optimizations
383 --disable-vfp disable VFP optimizations
384 --disable-neon disable NEON optimizations
385 --disable-inline-asm disable use of inline assembly
386 --disable-yasm disable use of nasm/yasm assembly
387 --disable-mipsdsp disable MIPS DSP ASE R1 optimizations
388 --disable-mipsdspr2 disable MIPS DSP ASE R2 optimizations
389 --disable-msa disable MSA optimizations
390 --disable-mipsfpu disable floating point MIPS optimizations
391 --disable-mmi disable Loongson SIMD optimizations
392 --disable-fast-unaligned consider unaligned accesses slow
394 Developer options (useful when working on FFmpeg itself):
395 --disable-debug disable debugging symbols
396 --enable-debug=LEVEL set the debug level [$debuglevel]
397 --disable-optimizations disable compiler optimizations
398 --enable-extra-warnings enable more compiler warnings
399 --disable-stripping disable stripping of executables and shared libraries
400 --assert-level=level 0(default), 1 or 2, amount of assertion testing,
401 2 causes a slowdown at runtime.
402 --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
403 --valgrind=VALGRIND run "make fate" tests through valgrind to detect memory
404 leaks and errors, using the specified valgrind binary.
405 Cannot be combined with --target-exec
406 --enable-ftrapv Trap arithmetic overflows
407 --samples=PATH location of test samples for FATE, if not set use
408 \$FATE_SAMPLES at make invocation time.
409 --enable-neon-clobber-test check NEON registers for clobbering (should be
410 used only for debugging purposes)
411 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
412 should be used only for debugging purposes)
413 --enable-random randomly enable/disable components
415 --enable-random=LIST randomly enable/disable specific components or
416 --disable-random=LIST component groups. LIST is a comma-separated list
417 of NAME[:PROB] entries where NAME is a component
418 (group) and PROB the probability associated with
420 --random-seed=VALUE seed value for --enable/disable-random
421 --disable-valgrind-backtrace do not print a backtrace under Valgrind
422 (only applies to --disable-optimizations builds)
424 NOTE: Object files are built at the place where configure is launched.
430 if test -t 1 && which tput >/dev/null 2>&1; then
431 ncolors=$(tput colors)
432 if test -n "$ncolors" && test $ncolors -ge 8; then
433 bold_color=$(tput bold)
434 warn_color=$(tput setaf 3)
435 error_color=$(tput setaf 1)
436 reset_color=$(tput sgr0)
438 # 72 used instead of 80 since that's the default of pr
444 echo "$@" >> $logfile
449 pr -n -t $1 >> $logfile
455 WARNINGS="${WARNINGS}WARNING: $*\n"
460 echo "$error_color$bold_color$@$reset_color"
463 If you think configure made a mistake, make sure you are using the latest
464 version from Git. If the latest version fails, report the problem to the
465 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
467 if disabled logging; then
469 Rerun configure with logging enabled (do not use --disable-logging), and
470 include the log this produces with your report.
474 Include the log file "$logfile" produced by configure as this will help
481 # Avoid locale weirdness, besides we really just want to translate ASCII.
483 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
487 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
491 echo "$*" | sed 's/["\\]/\\\0/g'
495 v=$(echo "$1" | sed "s/'/'\\\\''/g")
496 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
501 echo "$@" | sed 's/^ *//;s/[[:space:]][[:space:]]*/ /g;s/ *$//'
508 eval "case $v in $pat) echo $v ;; esac"
516 eval "case $v in $pat) ;; *) echo $v ;; esac"
523 for v; do eval $m; done
529 for v; do echo ${v}${suffix}; done
544 eval : \${$var:=$value}
549 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
555 eval $(sanitize_var_name "$var")='$*'
559 eval echo \$$(sanitize_var_name "$1")
564 eval level=\${${pvar}_level:=0}
565 eval ${pvar}_${level}="\$$pvar"
566 eval ${pvar}_level=$(($level+1))
572 eval level=\${${pvar}_level:-0}
573 test $level = 0 && continue
574 eval level=$(($level-1))
575 eval $pvar="\${${pvar}_${level}}"
576 eval ${pvar}_level=$level
577 eval unset ${pvar}_${level}
599 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
605 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
611 enabled $var && continue
612 eval sel="\$${var}_select"
613 eval sgs="\$${var}_suggest"
617 enable_deep_weak $sgs
629 disabled $var && continue
638 test "${1#!}" = "$1" && op='=' || op=!=
639 eval test "x\$${1#!}" $op "xyes"
643 test "${1#!}" = "$1" && op='=' || op=!=
644 eval test "x\$${1#!}" $op "xno"
649 enabled $opt || return 1
655 disabled $opt || return 1
661 enabled $opt && return 0
667 disabled $opt && return 0
674 eval : \${$opt:=\$${opt}_default}
682 [ $var = $value ] && return 0
690 enabled ${cfg}_checking && die "Circular dependency for $cfg."
691 disabled ${cfg}_checking && continue
692 enable ${cfg}_checking
695 eval dep_all="\$${cfg}_deps"
696 eval dep_any="\$${cfg}_deps_any"
697 eval dep_sel="\$${cfg}_select"
698 eval dep_sgs="\$${cfg}_suggest"
699 eval dep_ifa="\$${cfg}_if"
700 eval dep_ifn="\$${cfg}_if_any"
702 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
703 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
704 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
706 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
707 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
708 enabled_all $dep_all || disable $cfg
709 enabled_any $dep_any || disable $cfg
710 disabled_any $dep_sel && disable $cfg
712 if enabled $cfg; then
714 enable_deep_weak $dep_sgs
717 disable ${cfg}_checking
726 for cfg in $allopts; do
727 enabled $cfg || continue
728 eval dep_extralibs="\$${cfg}_extralibs"
729 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
737 map 'eval echo "$v \${$v:-no}"' "$@" |
738 awk "BEGIN { split(\"$files\", files) }
740 c = \"$pfx\" toupper(\$1);
746 if (file ~ /\\.h\$/) {
747 printf(\"#define %s %d\\n\", c, v) >>file;
748 } else if (file ~ /\\.asm\$/) {
749 printf(\"%%define %s %d\\n\", c, v) >>file;
750 } else if (file ~ /\\.mak\$/) {
751 n = -v ? \"\" : \"!\";
752 printf(\"%s%s=yes\\n\", n, c) >>file;
753 } else if (file ~ /\\.texi\$/) {
754 pre = -v ? \"\" : \"@c \";
757 gsub(/_/, \"-\", c2);
758 printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
768 enabled $v && printf "%s\n" ${v%$suf};
775 eval "$var=\"\$$var $*\""
781 eval "$var=\"$* \$$var\""
787 for tok in $(eval echo \$$var); do
788 uniq_list="$(filter_out $tok $uniq_list) $tok"
790 eval "$var=\"${uniq_list}\""
798 append CFLAGS $($cflags_filter "$@")
802 append CXXFLAGS $($cflags_filter "$@")
806 append ASFLAGS $($asflags_filter "$@")
810 append OBJCFLAGS $($objcflags_filter "$@")
814 append LDFLAGS $($ldflags_filter "$@")
818 append LDEXEFLAGS $($ldflags_filter "$@")
822 append LDLIBFLAGS $($ldflags_filter "$@")
826 append ASMSTRIPFLAGS "$@"
830 prepend extralibs $($ldflags_filter "$@")
834 append host_cppflags "$@"
838 append host_cflags $($host_cflags_filter "$@")
842 append host_ldflags $($host_ldflags_filter "$@")
846 append compat_objs $1
848 map 'add_cppflags -D$v' "$@"
853 "$@" >> $logfile 2>&1
858 stat "$1" >> $logfile 2>&1
862 eval printf '%s\\n' $CC_O
866 eval printf '%s\\n' $CC_E
873 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
880 check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
887 check_cmd $objcc -Werror=missing-prototypes $CPPFLAGS $CFLAGS $OBJCFLAGS "$@" $OBJCC_C $(cc_o $TMPO) $TMPM
894 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
898 eval printf '%s\\n' $AS_O
905 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
909 log check_inline_asm "$@"
914 check_cc "$@" <<EOF && enable $name
915 void foo(void){ __asm__ volatile($code); }
921 check_inline_asm ${1}_inline "\"$2\""
922 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
930 check_cmd $yasmexe $YASMFLAGS -Werror "$@" -o $TMPO $TMPS
934 eval printf '%s\\n' $LD_O
941 flags=$(filter_out '-l*|*.so' $@)
942 libs=$(filter '-l*|*.so' $@)
943 check_$type $($cflags_filter $flags) || return
944 flags=$($ldflags_filter $flags)
945 libs=$($ldflags_filter $libs)
946 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
951 test "${hdr%.h}" = "${hdr}" &&
952 echo "#include $hdr" ||
953 echo "#include <$hdr>"
963 for hdr in $headers; do
966 echo "int main(void) { $code; return 0; }"
967 } | check_$check "$@"
971 log check_cppflags "$@"
972 check_cc "$@" <<EOF && append CPPFLAGS "$@"
979 set -- $($cflags_filter "$@")
986 log check_cflags "$@"
987 test_cflags "$@" && add_cflags "$@"
991 log check_cxxflags "$@"
992 set -- $($cflags_filter "$@")
993 check_cxx "$@" <<EOF && append CXXFLAGS "$@"
1000 set -- $($cflags_filter "$@")
1001 check_objcc "$@" <<EOF
1007 log check_cflags "$@"
1008 test_objcflags "$@" && add_objcflags "$@"
1012 log test_ldflags "$@"
1013 check_ld "cc" "$@" <<EOF
1014 int main(void){ return 0; }
1019 log check_ldflags "$@"
1020 test_ldflags "$@" && add_ldflags "$@"
1024 log test_stripflags "$@"
1025 # call check_cc to get a fresh TMPO
1027 int main(void) { return 0; }
1029 check_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO
1033 log check_stripflags "$@"
1034 test_stripflags "$@" && add_stripflags "$@"
1038 log check_header "$@"
1041 disable_safe $header
1042 check_cpp "$@" <<EOF && enable_safe $header
1048 check_header_objcc(){
1049 log check_header_objcc "$@"
1053 disable_safe $header
1055 echo "#include <$header>"
1056 echo "int main(void) { return 0; }"
1057 } | check_objcc && check_stat "$TMPO" && enable_safe $headers
1065 check_ld "cc" "$@" <<EOF && enable $func
1067 int main(void){ $func(); }
1071 check_complexfunc(){
1072 log check_complexfunc "$@"
1076 test $narg = 2 && args="f, g" || args="f * I"
1078 check_ld "cc" "$@" <<EOF && enable $func
1079 #include <complex.h>
1081 float foo(complex float f, complex float g) { return $func($args); }
1082 int main(void){ return (int) foo; }
1087 log check_mathfunc "$@"
1091 test $narg = 2 && args="f, g" || args="f"
1093 check_ld "cc" "$@" <<EOF && enable $func
1095 float foo(float f, float g) { return $func($args); }
1096 int main(void){ return (int) foo; }
1100 check_func_headers(){
1101 log check_func_headers "$@"
1106 for hdr in $headers; do
1109 for func in $funcs; do
1110 echo "long check_$func(void) { return (long) $func; }"
1112 echo "int main(void) { return 0; }"
1113 } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
1116 check_class_headers_cpp(){
1117 log check_class_headers_cpp "$@"
1122 for hdr in $headers; do
1123 echo "#include <$hdr>"
1125 echo "int main(void) { "
1127 for class in $classes; do
1128 echo "$class obj$i;"
1132 } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
1135 check_cpp_condition(){
1136 log check_cpp_condition "$@"
1140 check_cpp "$@" <<EOF
1143 #error "unsatisfied condition: $condition"
1153 check_header $header && check_func $func "$@" && add_extralibs "$@"
1161 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
1165 log check_lib_cpp "$@"
1169 check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
1173 log check_pkg_config "$@"
1179 check_cmd $pkg_config --exists --print-errors $pkgandversion || return
1180 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1181 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1182 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1183 set_safe "${pkg}_cflags" $pkg_cflags &&
1184 set_safe "${pkg}_libs" $pkg_libs
1188 check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1194 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1195 # are safe but may not be available everywhere. Thus we use
1196 # raise(SIGTERM) instead. The check is run in a subshell so we
1197 # can redirect the "Terminated" message from the shell. SIGBUS
1198 # is not defined by standard C so it is used conditionally.
1200 (check_exec "$@") >> $logfile 2>&1 <<EOF
1202 static void sighandler(int sig){
1208 int (*func_ptr)(void) = foo;
1210 signal(SIGILL, sighandler);
1211 signal(SIGFPE, sighandler);
1212 signal(SIGSEGV, sighandler);
1214 signal(SIGBUS, sighandler);
1226 disable_safe "$type"
1227 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1231 log check_struct "$@"
1236 disable_safe "${struct}_${member}"
1237 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1238 enable_safe "${struct}_${member}"
1242 log check_builtin "$@"
1248 check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1251 check_compile_assert(){
1252 log check_compile_assert "$@"
1258 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1266 check_lib $header $func "$@" || die "ERROR: $name not found"
1274 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1282 check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1287 check_pkg_config "$@" || return 1
1288 add_cflags $(get_safe "${pkg}_cflags")
1289 add_extralibs $(get_safe "${pkg}_libs")
1292 require_pkg_config(){
1293 use_pkg_config "$@" || die "ERROR: $pkg not found using pkg-config$pkg_config_fail_message"
1296 require_libfreetype(){
1297 log require_libfreetype "$@"
1299 check_cmd $pkg_config --exists --print-errors $pkg \
1300 || die "ERROR: $pkg not found"
1301 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1302 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1304 echo "#include <ft2build.h>"
1305 echo "#include FT_FREETYPE_H"
1306 echo "long check_func(void) { return (long) FT_Init_FreeType; }"
1307 echo "int main(void) { return 0; }"
1308 } | check_ld "cc" $pkg_cflags $pkg_libs \
1309 && set_safe "${pkg}_cflags" $pkg_cflags \
1310 && set_safe "${pkg}_libs" $pkg_libs \
1311 || die "ERROR: $pkg not found"
1312 add_cflags $(get_safe "${pkg}_cflags")
1313 add_extralibs $(get_safe "${pkg}_libs")
1317 eval printf '%s\\n' $HOSTCC_E
1321 eval printf '%s\\n' $HOSTCC_O
1325 log check_host_cc "$@"
1328 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1332 log check_host_cpp "$@"
1335 check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1338 check_host_cppflags(){
1339 log check_host_cppflags "$@"
1340 check_host_cc "$@" <<EOF && append host_cppflags "$@"
1345 check_host_cflags(){
1346 log check_host_cflags "$@"
1347 set -- $($host_cflags_filter "$@")
1348 check_host_cc "$@" <<EOF && append host_cflags "$@"
1353 check_host_cpp_condition(){
1354 log check_host_cpp_condition "$@"
1358 check_host_cpp "$@" <<EOF
1361 #error "unsatisfied condition: $condition"
1367 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1368 mkdir -p "$(dirname $2)"
1372 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1373 # system-dependent things.
1375 AVCODEC_COMPONENTS="
1383 AVDEVICE_COMPONENTS="
1387 AVFILTER_COMPONENTS="
1390 AVFORMAT_COMPONENTS="
1396 AVRESAMPLE_COMPONENTS=""
1397 AVUTIL_COMPONENTS=""
1401 $AVDEVICE_COMPONENTS
1402 $AVFILTER_COMPONENTS
1403 $AVFORMAT_COMPONENTS
1404 $AVRESAMPLE_COMPONENTS
1409 avio_reading_example
1410 avio_dir_cmd_example
1411 decoding_encoding_example
1412 demuxing_decoding_example
1414 filter_audio_example
1415 filtering_audio_example
1416 filtering_video_example
1421 resampling_audio_example
1422 scaling_video_example
1423 transcode_aac_example
1427 EXTERNAL_LIBRARY_LIST="
1532 safe_bitstream_reader
1593 $EXTERNAL_LIBRARY_LIST
1601 incompatible_libav_abi
1663 ARCH_EXT_LIST_MIPS="
1672 ARCH_EXT_LIST_LOONGSON="
1678 ARCH_EXT_LIST_X86_SIMD="
1707 $ARCH_EXT_LIST_X86_SIMD
1717 $ARCH_EXT_LIST_LOONGSON
1733 atomic_compare_exchange
1739 sync_val_compare_and_swap
1750 incompatible_libav_abi
1759 cdio_paranoia_paranoia_h
1760 dev_bktr_ioctl_bt848_h
1761 dev_bktr_ioctl_meteor_h
1763 dev_video_bktr_ioctl_bt848_h
1764 dev_video_meteor_ioctl_meteor_h
1774 machine_ioctl_bt848_h
1775 machine_ioctl_meteor_h
1777 openjpeg_1_5_openjpeg_h
1853 GetProcessAffinityMask
1854 GetProcessMemoryInfo
1857 GetSystemTimeAsFileTime
1864 jack_port_get_latency_range
1880 SetConsoleTextAttribute
1881 SetConsoleCtrlHandler
1889 UTGetOSTypeFromString
1894 TOOLCHAIN_FEATURES="
1907 inline_asm_nonlocal_labels
1908 inline_asm_direct_symbol_refs
1919 CONDITION_VARIABLE_Ptr
1922 struct_group_source_req
1923 struct_ip_mreq_source
1926 struct_rusage_ru_maxrss
1927 struct_sctp_event_subscribe
1929 struct_sockaddr_sa_len
1930 struct_sockaddr_storage
1931 struct_stat_st_mtim_tv_nsec
1932 struct_v4l2_frmivalenum_discrete
1937 $(add_suffix _external $ARCH_EXT_LIST)
1938 $(add_suffix _inline $ARCH_EXT_LIST)
1973 # options emitted with CONFIG_ prefix but not available on the command line
1989 frame_thread_encoder
2131 # code dependency declarations
2133 # architecture extensions
2138 armv8_deps="aarch64"
2139 neon_deps_any="aarch64 arm"
2140 intrinsics_neon_deps="neon"
2141 vfp_deps_any="aarch64 arm"
2145 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
2149 mipsdspr2_deps="mips"
2150 mips32r2_deps="mips"
2151 mips64r6_deps="mips"
2163 x86_64_select="i686"
2164 x86_64_suggest="fast_cmov"
2167 amd3dnowext_deps="amd3dnow"
2184 mmx_external_deps="yasm"
2185 mmx_inline_deps="inline_asm"
2186 mmx_suggest="mmx_external mmx_inline"
2188 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
2189 eval dep=\$${ext}_deps
2190 eval ${ext}_external_deps='"${dep}_external"'
2191 eval ${ext}_inline_deps='"${dep}_inline"'
2192 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
2195 aligned_stack_if_any="aarch64 ppc x86"
2196 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
2197 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
2198 fast_unaligned_if_any="aarch64 ppc x86"
2199 simd_align_16_if_any="altivec neon sse"
2201 # system capabilities
2202 symver_if_any="symver_asm_label symver_gnu_asm"
2203 valgrind_backtrace_deps="!optimizations valgrind_valgrind_h"
2206 atomics_gcc_if_any="sync_val_compare_and_swap atomic_compare_exchange"
2207 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
2208 atomics_win32_if="MemoryBarrier"
2209 atomics_native_if_any="$ATOMICS_LIST"
2210 w32threads_deps="atomics_native"
2211 threads_if_any="$THREADS_LIST"
2215 error_resilience_select="me_cmp"
2216 faandct_deps="faan fdctdsp"
2217 faanidct_deps="faan idctdsp"
2218 frame_thread_encoder_deps="encoders threads"
2219 intrax8_select="error_resilience"
2222 me_cmp_select="fdctdsp idctdsp pixblockdsp"
2223 mpeg_er_select="error_resilience"
2224 mpegaudio_select="mpegaudiodsp"
2225 mpegaudiodsp_select="dct"
2226 mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp mpeg_er videodsp"
2227 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
2231 # decoders / encoders
2232 aac_decoder_select="imdct15 mdct sinewin"
2233 aac_fixed_decoder_select="mdct sinewin"
2234 aac_encoder_select="audio_frame_queue iirfilter lpc mdct sinewin"
2235 aac_latm_decoder_select="aac_decoder aac_latm_parser"
2236 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
2237 ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"
2238 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
2239 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
2240 adpcm_g722_decoder_select="g722dsp"
2241 adpcm_g722_encoder_select="g722dsp"
2242 aic_decoder_select="golomb idctdsp"
2243 alac_encoder_select="lpc"
2244 als_decoder_select="bswapdsp"
2245 amrnb_decoder_select="lsp"
2246 amrwb_decoder_select="lsp"
2247 amv_decoder_select="sp5x_decoder exif"
2248 amv_encoder_select="aandcttables jpegtables mpegvideoenc"
2249 ape_decoder_select="bswapdsp llauddsp"
2250 apng_decoder_select="zlib"
2251 apng_encoder_select="huffyuvencdsp zlib"
2252 asv1_decoder_select="blockdsp bswapdsp idctdsp"
2253 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
2254 asv2_decoder_select="blockdsp bswapdsp idctdsp"
2255 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
2256 atrac1_decoder_select="mdct sinewin"
2257 atrac3_decoder_select="mdct"
2258 atrac3p_decoder_select="mdct sinewin"
2259 avrn_decoder_select="exif jpegtables"
2260 bink_decoder_select="blockdsp hpeldsp"
2261 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
2262 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
2263 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
2264 cllc_decoder_select="bswapdsp"
2265 comfortnoise_encoder_select="lpc"
2266 cook_decoder_select="audiodsp mdct sinewin"
2267 cscd_decoder_select="lzo"
2268 cscd_decoder_suggest="zlib"
2269 dca_decoder_select="fmtconvert mdct"
2270 dds_decoder_select="texturedsp"
2271 dirac_decoder_select="dwt golomb videodsp mpegvideoenc"
2272 dnxhd_decoder_select="blockdsp idctdsp"
2273 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
2274 dvvideo_decoder_select="dvprofile idctdsp"
2275 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
2276 dxa_decoder_select="zlib"
2277 dxv_decoder_select="lzf texturedsp"
2278 eac3_decoder_select="ac3_decoder"
2279 eac3_encoder_select="ac3_encoder"
2280 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
2281 eatgq_decoder_select="aandcttables"
2282 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpeg1video_decoder"
2283 exr_decoder_select="zlib"
2284 ffv1_decoder_select="golomb rangecoder"
2285 ffv1_encoder_select="rangecoder"
2286 ffvhuff_decoder_select="huffyuv_decoder"
2287 ffvhuff_encoder_select="huffyuv_encoder"
2288 fic_decoder_select="golomb"
2289 flac_decoder_select="flacdsp golomb"
2290 flac_encoder_select="bswapdsp flacdsp golomb lpc"
2291 flashsv_decoder_select="zlib"
2292 flashsv_encoder_select="zlib"
2293 flashsv2_encoder_select="zlib"
2294 flashsv2_decoder_select="zlib"
2295 flv_decoder_select="h263_decoder"
2296 flv_encoder_select="h263_encoder"
2297 fourxm_decoder_select="blockdsp bswapdsp"
2298 fraps_decoder_select="bswapdsp huffman"
2299 g2m_decoder_select="blockdsp idctdsp jpegtables zlib"
2300 g729_decoder_select="audiodsp"
2301 h261_decoder_select="mpegvideo"
2302 h261_encoder_select="aandcttables mpegvideoenc"
2303 h263_decoder_select="h263_parser h263dsp mpegvideo qpeldsp"
2304 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
2305 h263i_decoder_select="h263_decoder"
2306 h263p_decoder_select="h263_decoder"
2307 h263p_encoder_select="h263_encoder"
2308 h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel startcode videodsp"
2309 h264_decoder_suggest="error_resilience"
2310 h264_qsv_decoder_deps="libmfx"
2311 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
2312 h264_qsv_encoder_deps="libmfx"
2313 h264_qsv_encoder_select="qsvenc"
2314 hap_decoder_select="snappy texturedsp"
2315 hap_encoder_deps="libsnappy"
2316 hap_encoder_select="texturedspenc"
2317 hevc_decoder_select="bswapdsp cabac golomb videodsp"
2318 hevc_qsv_encoder_deps="libmfx"
2319 hevc_qsv_decoder_deps="libmfx"
2320 hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec hevc_qsv_hwaccel"
2321 hevc_qsv_encoder_select="qsvenc"
2322 huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"
2323 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llviddsp"
2324 iac_decoder_select="imc_decoder"
2325 imc_decoder_select="bswapdsp fft mdct sinewin"
2326 indeo3_decoder_select="hpeldsp"
2327 indeo4_decoder_select="ividsp"
2328 indeo5_decoder_select="ividsp"
2329 interplay_video_decoder_select="hpeldsp"
2330 jpegls_decoder_select="golomb mjpeg_decoder"
2331 jpegls_encoder_select="golomb"
2332 jv_decoder_select="blockdsp"
2333 lagarith_decoder_select="huffyuvdsp"
2334 ljpeg_encoder_select="aandcttables idctdsp jpegtables"
2335 loco_decoder_select="golomb"
2336 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2337 metasound_decoder_select="lsp mdct sinewin"
2338 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2339 mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"
2340 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
2341 mjpegb_decoder_select="mjpeg_decoder"
2342 mlp_decoder_select="mlp_parser"
2343 motionpixels_decoder_select="bswapdsp"
2344 mp1_decoder_select="mpegaudio"
2345 mp1float_decoder_select="mpegaudio"
2346 mp2_decoder_select="mpegaudio"
2347 mp2float_decoder_select="mpegaudio"
2348 mp3_decoder_select="mpegaudio"
2349 mp3adu_decoder_select="mpegaudio"
2350 mp3adufloat_decoder_select="mpegaudio"
2351 mp3float_decoder_select="mpegaudio"
2352 mp3on4_decoder_select="mpegaudio"
2353 mp3on4float_decoder_select="mpegaudio"
2354 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2355 mpc8_decoder_select="mpegaudiodsp"
2356 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
2357 mpeg_xvmc_decoder_select="mpeg2video_decoder"
2358 mpegvideo_decoder_select="mpegvideo"
2359 mpeg1video_decoder_select="mpegvideo"
2360 mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"
2361 mpeg2video_decoder_select="mpegvideo"
2362 mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"
2363 mpeg2_qsv_decoder_deps="libmfx"
2364 mpeg2_qsv_decoder_select="qsvdec mpeg2_qsv_hwaccel"
2365 mpeg2_qsv_encoder_deps="libmfx"
2366 mpeg2_qsv_encoder_select="qsvenc"
2367 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2368 mpeg4_encoder_select="h263_encoder"
2369 msa1_decoder_select="mss34dsp"
2370 msmpeg4v1_decoder_select="h263_decoder"
2371 msmpeg4v2_decoder_select="h263_decoder"
2372 msmpeg4v2_encoder_select="h263_encoder"
2373 msmpeg4v3_decoder_select="h263_decoder"
2374 msmpeg4v3_encoder_select="h263_encoder"
2375 mss2_decoder_select="vc1_decoder"
2376 mts2_decoder_select="mss34dsp"
2377 mxpeg_decoder_select="mjpeg_decoder"
2378 nellymoser_decoder_select="mdct sinewin"
2379 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2380 nuv_decoder_select="idctdsp lzo"
2381 on2avc_decoder_select="mdct"
2382 opus_decoder_deps="swresample"
2383 opus_decoder_select="imdct15"
2384 png_decoder_select="zlib"
2385 png_encoder_select="huffyuvencdsp zlib"
2386 prores_decoder_select="blockdsp idctdsp"
2387 prores_encoder_select="fdctdsp"
2388 qcelp_decoder_select="lsp"
2389 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2390 ra_144_encoder_select="audio_frame_queue lpc audiodsp"
2391 ra_144_decoder_select="audiodsp"
2392 ralf_decoder_select="golomb"
2393 rawvideo_decoder_select="bswapdsp"
2394 rscc_decoder_select="zlib"
2395 rtjpeg_decoder_select="me_cmp"
2396 rv10_decoder_select="h263_decoder"
2397 rv10_encoder_select="h263_encoder"
2398 rv20_decoder_select="h263_decoder"
2399 rv20_encoder_select="h263_encoder"
2400 rv30_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2401 rv40_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2402 screenpresso_decoder_select="zlib"
2403 shorten_decoder_select="golomb"
2404 sipr_decoder_select="lsp"
2405 snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"
2406 snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"
2407 sonic_decoder_select="golomb rangecoder"
2408 sonic_encoder_select="golomb rangecoder"
2409 sonic_ls_encoder_select="golomb rangecoder"
2410 sp5x_decoder_select="mjpeg_decoder"
2411 svq1_decoder_select="hpeldsp"
2412 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2413 svq3_decoder_select="h264_decoder hpeldsp tpeldsp"
2414 svq3_decoder_suggest="zlib"
2415 tak_decoder_select="audiodsp"
2416 tdsc_decoder_select="zlib mjpeg_decoder"
2417 theora_decoder_select="vp3_decoder"
2418 thp_decoder_select="mjpeg_decoder"
2419 tiff_decoder_suggest="zlib lzma"
2420 tiff_encoder_suggest="zlib"
2421 truehd_decoder_select="mlp_parser"
2422 truemotion2_decoder_select="bswapdsp"
2423 truespeech_decoder_select="bswapdsp"
2424 tscc_decoder_select="zlib"
2425 twinvq_decoder_select="mdct lsp sinewin"
2426 txd_decoder_select="texturedsp"
2427 utvideo_decoder_select="bswapdsp"
2428 utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"
2429 vble_decoder_select="huffyuvdsp"
2430 vc1_decoder_select="blockdsp h263_decoder h264qpel intrax8 qpeldsp startcode"
2431 vc1image_decoder_select="vc1_decoder"
2432 vc1_qsv_decoder_deps="libmfx"
2433 vc1_qsv_decoder_select="qsvdec vc1_qsv_hwaccel"
2434 vorbis_decoder_select="mdct"
2435 vorbis_encoder_select="mdct"
2436 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2437 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"
2438 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"
2439 vp6a_decoder_select="vp6_decoder"
2440 vp6f_decoder_select="vp6_decoder"
2441 vp7_decoder_select="h264pred videodsp vp8dsp"
2442 vp8_decoder_select="h264pred videodsp vp8dsp"
2443 vp9_decoder_select="videodsp vp9_parser"
2444 webp_decoder_select="vp8_decoder"
2445 wmalossless_decoder_select="llauddsp"
2446 wmapro_decoder_select="mdct sinewin wma_freqs"
2447 wmav1_decoder_select="mdct sinewin wma_freqs"
2448 wmav1_encoder_select="mdct sinewin wma_freqs"
2449 wmav2_decoder_select="mdct sinewin wma_freqs"
2450 wmav2_encoder_select="mdct sinewin wma_freqs"
2451 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2452 wmv1_decoder_select="h263_decoder"
2453 wmv1_encoder_select="h263_encoder"
2454 wmv2_decoder_select="blockdsp h263_decoder idctdsp intrax8 videodsp wmv2dsp"
2455 wmv2_encoder_select="h263_encoder wmv2dsp"
2456 wmv3_decoder_select="vc1_decoder"
2457 wmv3image_decoder_select="wmv3_decoder"
2458 zerocodec_decoder_select="zlib"
2459 zlib_decoder_select="zlib"
2460 zlib_encoder_select="zlib"
2461 zmbv_decoder_select="zlib"
2462 zmbv_encoder_select="zlib"
2464 # hardware accelerators
2465 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
2466 d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder ID3D11VideoContext"
2467 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode"
2468 vaapi_deps="va_va_h"
2469 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
2470 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
2471 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
2472 videotoolbox_deps="VideoToolbox_VideoToolbox_h pthreads"
2473 videotoolbox_extralibs="-framework CoreFoundation -framework VideoToolbox -framework CoreMedia -framework QuartzCore -framework CoreVideo"
2474 xvmc_deps="X11_extensions_XvMClib_h"
2476 h263_vaapi_hwaccel_deps="vaapi"
2477 h263_vaapi_hwaccel_select="h263_decoder"
2478 h263_videotoolbox_hwaccel_deps="videotoolbox"
2479 h263_videotoolbox_hwaccel_select="h263_decoder"
2480 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
2481 h264_d3d11va_hwaccel_deps="d3d11va"
2482 h264_d3d11va_hwaccel_select="h264_decoder"
2483 h264_dxva2_hwaccel_deps="dxva2"
2484 h264_dxva2_hwaccel_select="h264_decoder"
2485 h264_mmal_decoder_deps="mmal"
2486 h264_mmal_hwaccel_deps="mmal"
2487 h264_mmal_decoder_select="h264_decoder"
2488 h264_mmal_encoder_deps="mmal"
2489 h264_qsv_hwaccel_deps="libmfx"
2490 h264_vaapi_hwaccel_deps="vaapi"
2491 h264_vaapi_hwaccel_select="h264_decoder"
2492 h264_vda_decoder_deps="vda"
2493 h264_vda_decoder_select="h264_decoder"
2494 h264_vda_hwaccel_deps="vda"
2495 h264_vda_hwaccel_select="h264_decoder"
2496 h264_vda_old_hwaccel_deps="vda"
2497 h264_vda_old_hwaccel_select="h264_decoder"
2498 h264_vdpau_decoder_deps="vdpau"
2499 h264_vdpau_decoder_select="h264_decoder"
2500 h264_vdpau_hwaccel_deps="vdpau"
2501 h264_vdpau_hwaccel_select="h264_decoder"
2502 h264_videotoolbox_hwaccel_deps="videotoolbox"
2503 h264_videotoolbox_hwaccel_select="h264_decoder"
2504 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2505 hevc_d3d11va_hwaccel_select="hevc_decoder"
2506 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2507 hevc_dxva2_hwaccel_select="hevc_decoder"
2508 hevc_qsv_hwaccel_deps="libmfx"
2509 hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC"
2510 hevc_vaapi_hwaccel_select="hevc_decoder"
2511 hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"
2512 hevc_vdpau_hwaccel_select="hevc_decoder"
2513 mpeg_vdpau_decoder_deps="vdpau"
2514 mpeg_vdpau_decoder_select="mpeg2video_decoder"
2515 mpeg_xvmc_hwaccel_deps="xvmc"
2516 mpeg_xvmc_hwaccel_select="mpeg2video_decoder"
2517 mpeg1_vdpau_decoder_deps="vdpau"
2518 mpeg1_vdpau_decoder_select="mpeg1video_decoder"
2519 mpeg1_vdpau_hwaccel_deps="vdpau"
2520 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2521 mpeg1_videotoolbox_hwaccel_deps="videotoolbox"
2522 mpeg1_videotoolbox_hwaccel_select="mpeg1video_decoder"
2523 mpeg1_xvmc_hwaccel_deps="xvmc"
2524 mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"
2525 mpeg2_crystalhd_decoder_select="crystalhd"
2526 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2527 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2528 mpeg2_dxva2_hwaccel_deps="dxva2"
2529 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2530 mpeg2_mmal_decoder_deps="mmal"
2531 mpeg2_mmal_hwaccel_deps="mmal"
2532 mpeg2_mmal_decoder_select="mpeg2video_decoder"
2533 mpeg2_qsv_hwaccel_deps="libmfx"
2534 mpeg2_qsv_hwaccel_select="qsvdec_mpeg2"
2535 mpeg2_vaapi_hwaccel_deps="vaapi"
2536 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2537 mpeg2_vdpau_hwaccel_deps="vdpau"
2538 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2539 mpeg2_videotoolbox_hwaccel_deps="videotoolbox"
2540 mpeg2_videotoolbox_hwaccel_select="mpeg2video_decoder"
2541 mpeg2_xvmc_hwaccel_deps="xvmc"
2542 mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"
2543 mpeg4_crystalhd_decoder_select="crystalhd"
2544 mpeg4_vaapi_hwaccel_deps="vaapi"
2545 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2546 mpeg4_vdpau_decoder_deps="vdpau"
2547 mpeg4_vdpau_decoder_select="mpeg4_decoder"
2548 mpeg4_vdpau_hwaccel_deps="vdpau"
2549 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2550 mpeg4_videotoolbox_hwaccel_deps="videotoolbox"
2551 mpeg4_videotoolbox_hwaccel_select="mpeg4_decoder"
2552 msmpeg4_crystalhd_decoder_select="crystalhd"
2553 vc1_crystalhd_decoder_select="crystalhd"
2554 vc1_d3d11va_hwaccel_deps="d3d11va"
2555 vc1_d3d11va_hwaccel_select="vc1_decoder"
2556 vc1_dxva2_hwaccel_deps="dxva2"
2557 vc1_dxva2_hwaccel_select="vc1_decoder"
2558 vc1_vaapi_hwaccel_deps="vaapi"
2559 vc1_vaapi_hwaccel_select="vc1_decoder"
2560 vc1_vdpau_decoder_deps="vdpau"
2561 vc1_vdpau_decoder_select="vc1_decoder"
2562 vc1_vdpau_hwaccel_deps="vdpau"
2563 vc1_vdpau_hwaccel_select="vc1_decoder"
2564 vc1_mmal_decoder_deps="mmal"
2565 vc1_mmal_hwaccel_deps="mmal"
2566 vc1_mmal_decoder_select="vc1_decoder"
2567 vc1_qsv_hwaccel_deps="libmfx"
2568 vc1_qsv_hwaccel_select="qsvdec_vc1"
2569 vp9_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_VP9"
2570 vp9_d3d11va_hwaccel_select="vp9_decoder"
2571 vp9_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_VP9"
2572 vp9_dxva2_hwaccel_select="vp9_decoder"
2573 wmv3_crystalhd_decoder_select="crystalhd"
2574 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2575 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2576 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2577 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2578 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2581 h264_parser_select="h264_decoder"
2582 hevc_parser_select="golomb"
2583 mpegvideo_parser_select="mpegvideo"
2584 mpeg4video_parser_select="h263dsp mpegvideo qpeldsp"
2585 vc1_parser_select="mpegvideo startcode vc1_decoder"
2588 mjpeg2jpeg_bsf_select="jpegtables"
2590 # external libraries
2591 chromaprint_muxer_deps="chromaprint"
2592 libaacplus_encoder_deps="libaacplus"
2593 libcelt_decoder_deps="libcelt"
2594 libdcadec_decoder_deps="libdcadec"
2595 libfaac_encoder_deps="libfaac"
2596 libfaac_encoder_select="audio_frame_queue"
2597 libfdk_aac_decoder_deps="libfdk_aac"
2598 libfdk_aac_encoder_deps="libfdk_aac"
2599 libfdk_aac_encoder_select="audio_frame_queue"
2600 libgme_demuxer_deps="libgme"
2601 libgsm_decoder_deps="libgsm"
2602 libgsm_encoder_deps="libgsm"
2603 libgsm_ms_decoder_deps="libgsm"
2604 libgsm_ms_encoder_deps="libgsm"
2605 libilbc_decoder_deps="libilbc"
2606 libilbc_encoder_deps="libilbc"
2607 libkvazaar_encoder_deps="libkvazaar"
2608 libmodplug_demuxer_deps="libmodplug"
2609 libmp3lame_encoder_deps="libmp3lame"
2610 libmp3lame_encoder_select="audio_frame_queue"
2611 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2612 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2613 libopencore_amrnb_encoder_select="audio_frame_queue"
2614 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2615 libopenh264_encoder_deps="libopenh264"
2616 libopenjpeg_decoder_deps="libopenjpeg"
2617 libopenjpeg_encoder_deps="libopenjpeg"
2618 libopus_decoder_deps="libopus"
2619 libopus_encoder_deps="libopus"
2620 libopus_encoder_select="audio_frame_queue"
2621 libquvi_demuxer_deps="libquvi"
2622 libschroedinger_decoder_deps="libschroedinger"
2623 libschroedinger_encoder_deps="libschroedinger"
2624 libshine_encoder_deps="libshine"
2625 libshine_encoder_select="audio_frame_queue"
2626 libspeex_decoder_deps="libspeex"
2627 libspeex_encoder_deps="libspeex"
2628 libspeex_encoder_select="audio_frame_queue"
2629 libstagefright_h264_decoder_deps="libstagefright_h264"
2630 libtheora_encoder_deps="libtheora"
2631 libtwolame_encoder_deps="libtwolame"
2632 libvo_aacenc_encoder_deps="libvo_aacenc"
2633 libvo_aacenc_encoder_select="audio_frame_queue"
2634 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2635 libvorbis_decoder_deps="libvorbis"
2636 libvorbis_encoder_deps="libvorbis"
2637 libvorbis_encoder_select="audio_frame_queue"
2638 libvpx_vp8_decoder_deps="libvpx"
2639 libvpx_vp8_encoder_deps="libvpx"
2640 libvpx_vp9_decoder_deps="libvpx"
2641 libvpx_vp9_encoder_deps="libvpx"
2642 libwavpack_encoder_deps="libwavpack"
2643 libwebp_encoder_deps="libwebp"
2644 libwebp_anim_encoder_deps="libwebp"
2645 libx262_encoder_deps="libx262"
2646 libx264_encoder_deps="libx264"
2647 libx264rgb_encoder_deps="libx264"
2648 libx264rgb_encoder_select="libx264_encoder"
2649 libx265_encoder_deps="libx265"
2650 libxavs_encoder_deps="libxavs"
2651 libxvid_encoder_deps="libxvid"
2652 libutvideo_decoder_deps="libutvideo"
2653 libutvideo_encoder_deps="libutvideo"
2654 libzvbi_teletext_decoder_deps="libzvbi"
2655 nvenc_encoder_deps="nvenc"
2656 nvenc_h264_encoder_deps="nvenc"
2657 nvenc_hevc_encoder_deps="nvenc"
2660 ac3_demuxer_select="ac3_parser"
2661 asf_demuxer_select="riffdec"
2662 asf_o_demuxer_select="riffdec"
2663 asf_muxer_select="riffenc"
2664 asf_stream_muxer_select="asf_muxer"
2665 avi_demuxer_select="riffdec exif"
2666 avi_muxer_select="riffenc"
2667 avisynth_demuxer_deps="avisynth"
2668 avisynth_demuxer_select="riffdec"
2669 caf_demuxer_select="riffdec"
2670 dash_muxer_select="mp4_muxer"
2671 dirac_demuxer_select="dirac_parser"
2672 dts_demuxer_select="dca_parser"
2673 dtshd_demuxer_select="dca_parser"
2674 dv_demuxer_select="dvprofile"
2675 dv_muxer_select="dvprofile"
2676 dxa_demuxer_select="riffdec"
2677 eac3_demuxer_select="ac3_parser"
2678 f4v_muxer_select="mov_muxer"
2679 flac_demuxer_select="flac_parser"
2680 hds_muxer_select="flv_muxer"
2681 hls_muxer_select="mpegts_muxer"
2682 image2_alias_pix_demuxer_select="image2_demuxer"
2683 image2_brender_pix_demuxer_select="image2_demuxer"
2684 ipod_muxer_select="mov_muxer"
2685 ismv_muxer_select="mov_muxer"
2686 libnut_demuxer_deps="libnut"
2687 libnut_muxer_deps="libnut"
2688 matroska_audio_muxer_select="matroska_muxer"
2689 matroska_demuxer_select="riffdec"
2690 matroska_demuxer_suggest="bzlib lzo zlib"
2691 matroska_muxer_select="riffenc"
2692 mmf_muxer_select="riffenc"
2693 mov_demuxer_select="riffdec"
2694 mov_demuxer_suggest="zlib"
2695 mov_muxer_select="riffenc rtpenc_chain"
2696 mp3_demuxer_select="mpegaudio_parser"
2697 mp4_muxer_select="mov_muxer"
2698 mpegts_muxer_select="adts_muxer latm_muxer"
2699 mpegtsraw_demuxer_select="mpegts_demuxer"
2700 mxf_d10_muxer_select="mxf_muxer"
2701 mxf_opatom_muxer_select="mxf_muxer"
2702 nut_muxer_select="riffenc"
2703 nuv_demuxer_select="riffdec"
2704 oga_muxer_select="ogg_muxer"
2705 ogg_demuxer_select="golomb"
2706 opus_muxer_select="ogg_muxer"
2707 psp_muxer_select="mov_muxer"
2708 rtp_demuxer_select="sdp_demuxer"
2709 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol"
2710 rtsp_demuxer_select="http_protocol rtpdec"
2711 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2712 sap_demuxer_select="sdp_demuxer"
2713 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2714 sdp_demuxer_select="rtpdec"
2715 smoothstreaming_muxer_select="ismv_muxer"
2716 spdif_muxer_select="aac_parser"
2717 spx_muxer_select="ogg_muxer"
2718 tak_demuxer_select="tak_parser"
2719 tg2_muxer_select="mov_muxer"
2720 tgp_muxer_select="mov_muxer"
2721 vobsub_demuxer_select="mpegps_demuxer"
2722 w64_demuxer_select="wav_demuxer"
2723 w64_muxer_select="wav_muxer"
2724 wav_demuxer_select="riffdec"
2725 wav_muxer_select="riffenc"
2726 webm_muxer_select="riffenc"
2727 wtv_demuxer_select="riffdec"
2728 wtv_muxer_select="riffenc"
2729 xmv_demuxer_select="riffdec"
2730 xwma_demuxer_select="riffdec"
2733 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2734 alsa_outdev_deps="alsa_asoundlib_h"
2735 avfoundation_indev_extralibs="-framework CoreVideo -framework Foundation -framework AVFoundation -framework CoreMedia"
2736 avfoundation_indev_select="avfoundation"
2737 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2738 caca_outdev_deps="libcaca"
2739 decklink_outdev_deps="decklink pthreads"
2740 decklink_outdev_extralibs="-lstdc++"
2741 decklink_indev_deps="decklink pthreads"
2742 decklink_indev_extralibs="-lstdc++"
2743 dshow_indev_deps="IBaseFilter"
2744 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"
2745 dv1394_indev_deps="dv1394"
2746 dv1394_indev_select="dv_demuxer"
2747 fbdev_indev_deps="linux_fb_h"
2748 fbdev_outdev_deps="linux_fb_h"
2749 gdigrab_indev_deps="CreateDIBSection"
2750 gdigrab_indev_extralibs="-lgdi32"
2751 gdigrab_indev_select="bmp_decoder"
2752 iec61883_indev_deps="libiec61883"
2753 jack_indev_deps="jack_jack_h sem_timedwait"
2754 lavfi_indev_deps="avfilter"
2755 libcdio_indev_deps="libcdio"
2756 libdc1394_indev_deps="libdc1394"
2757 libv4l2_indev_deps="libv4l2"
2758 openal_indev_deps="openal"
2759 opengl_outdev_deps="opengl"
2760 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2761 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2762 pulse_indev_deps="libpulse"
2763 pulse_outdev_deps="libpulse"
2764 qtkit_indev_extralibs="-framework QTKit -framework Foundation -framework QuartzCore"
2765 qtkit_indev_select="qtkit"
2766 sdl_outdev_deps="sdl"
2767 sndio_indev_deps="sndio_h"
2768 sndio_outdev_deps="sndio_h"
2769 v4l_indev_deps="linux_videodev_h"
2770 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2771 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
2772 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2773 vfwcap_indev_extralibs="-lavicap32"
2774 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
2775 xv_outdev_extralibs="-lXv -lX11 -lXext"
2776 x11grab_indev_deps="x11grab"
2777 x11grab_xcb_indev_deps="libxcb"
2780 async_protocol_deps="threads"
2781 bluray_protocol_deps="libbluray"
2782 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2783 ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"
2784 ffrtmpcrypt_protocol_select="tcp_protocol"
2785 ffrtmphttp_protocol_deps="!librtmp_protocol"
2786 ffrtmphttp_protocol_select="http_protocol"
2787 ftp_protocol_select="tcp_protocol"
2788 gopher_protocol_select="network"
2789 http_protocol_select="tcp_protocol"
2790 httpproxy_protocol_select="tcp_protocol"
2791 https_protocol_select="tls_protocol"
2792 icecast_protocol_select="http_protocol"
2793 librtmp_protocol_deps="librtmp"
2794 librtmpe_protocol_deps="librtmp"
2795 librtmps_protocol_deps="librtmp"
2796 librtmpt_protocol_deps="librtmp"
2797 librtmpte_protocol_deps="librtmp"
2798 libsmbclient_protocol_deps="libsmbclient gplv3"
2799 libssh_protocol_deps="libssh"
2800 mmsh_protocol_select="http_protocol"
2801 mmst_protocol_select="network"
2802 rtmp_protocol_deps="!librtmp_protocol"
2803 rtmp_protocol_select="tcp_protocol"
2804 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2805 rtmps_protocol_deps="!librtmp_protocol"
2806 rtmps_protocol_select="tls_protocol"
2807 rtmpt_protocol_select="ffrtmphttp_protocol"
2808 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2809 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2810 rtp_protocol_select="udp_protocol"
2811 sctp_protocol_deps="struct_sctp_event_subscribe"
2812 sctp_protocol_select="network"
2813 srtp_protocol_select="rtp_protocol"
2814 tcp_protocol_select="network"
2815 tls_gnutls_protocol_deps="gnutls !tls_schannel_protocol !tls_securetransport_protocol"
2816 tls_gnutls_protocol_select="tcp_protocol"
2817 tls_openssl_protocol_deps="openssl !tls_schannel_protocol !tls_securetransport_protocol !tls_gnutls_protocol"
2818 tls_openssl_protocol_select="tcp_protocol"
2819 tls_schannel_protocol_deps="schannel"
2820 tls_schannel_protocol_select="tcp_protocol"
2821 tls_securetransport_protocol_deps="securetransport"
2822 tls_securetransport_protocol_select="tcp_protocol"
2823 tls_protocol_deps_any="tls_schannel_protocol tls_securetransport_protocol tls_gnutls_protocol tls_openssl_protocol"
2824 udp_protocol_select="network"
2825 udplite_protocol_select="network"
2826 unix_protocol_deps="sys_un_h"
2827 unix_protocol_select="network"
2830 aemphasis_filter_deps="cabs cexp"
2831 amovie_filter_deps="avcodec avformat"
2832 aresample_filter_deps="swresample"
2833 ass_filter_deps="libass"
2834 asyncts_filter_deps="avresample"
2835 atempo_filter_deps="avcodec"
2836 atempo_filter_select="rdft"
2837 azmq_filter_deps="libzmq"
2838 blackframe_filter_deps="gpl"
2839 boxblur_filter_deps="gpl"
2840 bs2b_filter_deps="libbs2b"
2841 colormatrix_filter_deps="gpl"
2842 cover_rect_filter_deps="avcodec avformat gpl"
2843 cropdetect_filter_deps="gpl"
2844 delogo_filter_deps="gpl"
2845 deshake_filter_select="pixelutils"
2846 drawtext_filter_deps="libfreetype"
2847 dynaudnorm_filter_deps="copysign erf"
2848 ebur128_filter_deps="gpl"
2849 eq_filter_deps="gpl"
2850 fftfilt_filter_deps="avcodec"
2851 fftfilt_filter_select="rdft"
2852 flite_filter_deps="libflite"
2853 find_rect_filter_deps="avcodec avformat gpl"
2854 frei0r_filter_deps="frei0r dlopen"
2855 frei0r_src_filter_deps="frei0r dlopen"
2856 fspp_filter_deps="gpl"
2857 geq_filter_deps="gpl"
2858 histeq_filter_deps="gpl"
2859 hqdn3d_filter_deps="gpl"
2860 interlace_filter_deps="gpl"
2861 kerndeint_filter_deps="gpl"
2862 ladspa_filter_deps="ladspa dlopen"
2863 mcdeint_filter_deps="avcodec gpl"
2864 movie_filter_deps="avcodec avformat"
2865 mpdecimate_filter_deps="gpl"
2866 mpdecimate_filter_select="pixelutils"
2867 mptestsrc_filter_deps="gpl"
2868 negate_filter_deps="lut_filter"
2869 perspective_filter_deps="gpl"
2870 pp7_filter_deps="gpl"
2871 ocr_filter_deps="libtesseract"
2872 ocv_filter_deps="libopencv"
2873 owdenoise_filter_deps="gpl"
2874 pan_filter_deps="swresample"
2875 phase_filter_deps="gpl"
2876 pp_filter_deps="gpl postproc"
2877 pullup_filter_deps="gpl"
2878 removelogo_filter_deps="avcodec avformat swscale"
2879 repeatfields_filter_deps="gpl"
2880 resample_filter_deps="avresample"
2881 rubberband_filter_deps="librubberband"
2882 sab_filter_deps="gpl swscale"
2883 scale_filter_deps="swscale"
2884 scale2ref_filter_deps="swscale"
2885 select_filter_select="pixelutils"
2886 smartblur_filter_deps="gpl swscale"
2887 showcqt_filter_deps="avcodec avformat swscale"
2888 showcqt_filter_select="fft"
2889 showfreqs_filter_deps="avcodec"
2890 showfreqs_filter_select="fft"
2891 showspectrum_filter_deps="avcodec"
2892 showspectrum_filter_select="rdft"
2893 spp_filter_deps="gpl avcodec"
2894 spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"
2895 stereo3d_filter_deps="gpl"
2896 subtitles_filter_deps="avformat avcodec libass"
2897 super2xsai_filter_deps="gpl"
2898 tinterlace_filter_deps="gpl"
2899 vidstabdetect_filter_deps="libvidstab"
2900 vidstabtransform_filter_deps="libvidstab"
2901 pixfmts_super2xsai_test_deps="super2xsai_filter"
2902 tinterlace_merge_test_deps="tinterlace_filter"
2903 tinterlace_pad_test_deps="tinterlace_filter"
2904 uspp_filter_deps="gpl avcodec"
2905 zmq_filter_deps="libzmq"
2906 zoompan_filter_deps="swscale"
2907 zscale_filter_deps="libzimg"
2910 avio_reading="avformat avcodec avutil"
2911 avio_dir_cmd="avformat avutil"
2912 avcodec_example_deps="avcodec avutil"
2913 decoding_encoding_example_deps="avcodec avformat avutil"
2914 demuxing_decoding_example_deps="avcodec avformat avutil"
2915 extract_mvs_example_deps="avcodec avformat avutil"
2916 filter_audio_example_deps="avfilter avutil"
2917 filtering_audio_example_deps="avfilter avcodec avformat avutil"
2918 filtering_video_example_deps="avfilter avcodec avformat avutil"
2919 metadata_example_deps="avformat avutil"
2920 muxing_example_deps="avcodec avformat avutil swscale"
2921 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder vaapi_x11"
2922 remuxing_example_deps="avcodec avformat avutil"
2923 resampling_audio_example_deps="avutil swresample"
2924 scaling_video_example_deps="avutil swscale"
2925 transcode_aac_example_deps="avcodec avformat swresample"
2926 transcoding_example_deps="avfilter avcodec avformat avutil"
2928 # libraries, in linking order
2929 avcodec_deps="avutil"
2930 avdevice_deps="avformat avcodec avutil"
2931 avfilter_deps="avutil"
2932 avformat_deps="avcodec avutil"
2933 avresample_deps="avutil"
2934 postproc_deps="avutil gpl"
2935 swresample_deps="avutil"
2936 swscale_deps="avutil"
2939 ffmpeg_deps="avcodec avfilter avformat swresample"
2940 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
2942 setpts_filter trim_filter"
2943 ffplay_deps="avcodec avformat swscale swresample sdl"
2944 ffplay_libs='$sdl_libs'
2945 ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"
2946 ffprobe_deps="avcodec avformat"
2947 ffserver_deps="avformat fork sarestart"
2948 ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
2951 podpages_deps="perl"
2952 manpages_deps="perl pod2man"
2953 htmlpages_deps="perl"
2954 htmlpages_deps_any="makeinfo_html texi2html"
2955 txtpages_deps="perl makeinfo"
2956 doc_deps_any="manpages htmlpages podpages txtpages"
2958 # default parameters
2960 logfile="config.log"
2962 # installation paths
2963 prefix_default="/usr/local"
2964 bindir_default='${prefix}/bin'
2965 datadir_default='${prefix}/share/ffmpeg'
2966 docdir_default='${prefix}/share/doc/ffmpeg'
2967 incdir_default='${prefix}/include'
2968 libdir_default='${prefix}/lib'
2969 mandir_default='${prefix}/share/man'
2975 host_cc_default="gcc"
2977 doxygen_default="doxygen"
2982 pkg_config_default=pkg-config
2983 ranlib_default="ranlib"
2984 strip_default="strip"
2985 yasmexe_default="yasm"
2986 windres_default="windres"
2989 target_os_default=$(tolower $(uname -s))
2990 host_os=$target_os_default
2993 if test "$target_os_default" = aix; then
2994 arch_default=$(uname -p)
2995 strip_default="strip -X32_64"
2997 arch_default=$(uname -m)
3002 # configurable options
3003 enable $PROGRAM_LIST
3004 enable $DOCUMENT_LIST
3005 enable $EXAMPLE_LIST
3006 enable $(filter_out avresample $LIBRARY_LIST)
3012 enable faan faandct faanidct
3013 enable optimizations
3014 enable runtime_cpudetect
3015 enable safe_bitstream_reader
3017 enable swscale_alpha
3018 enable valgrind_backtrace
3020 sws_max_filter_size_default=256
3021 set_default sws_max_filter_size
3023 # Enable hwaccels by default.
3024 enable d3d11va dxva2 vaapi vda vdpau videotoolbox xvmc
3028 SHFLAGS='-shared -Wl,-soname,$$(@F)'
3031 FULLNAME='$(NAME)$(BUILDSUF)'
3032 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
3035 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
3036 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
3037 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
3038 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
3039 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
3040 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
3065 host_cflags_filter=echo
3066 host_ldflags_filter=echo
3068 target_path='$(CURDIR)'
3070 # since the object filename is not given with the -MM flag, the compiler
3071 # is only able to print the basename, and we must add the path ourselves
3072 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>/dev/null | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(@F),$(@D)/$(@F)," > $(@:.o=.d)'
3076 if test -f configure; then
3079 source_path=$(cd $(dirname "$0"); pwd)
3080 case "$source_path" in
3081 *[[:blank:]]*) die "Out of tree builds are impossible with whitespace in source path." ;;
3083 test -e "$source_path/config.h" &&
3084 die "Out of tree builds are impossible with config.h in source dir."
3091 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
3097 file=$source_path/$3
3098 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
3101 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
3102 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
3103 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
3104 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
3105 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
3106 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
3107 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
3108 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
3109 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
3110 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
3111 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
3127 for n in $COMPONENT_LIST; do
3128 v=$(toupper ${n%s})_LIST
3130 eval ${n}_if_any="\$$v"
3133 enable $ARCH_EXT_LIST
3136 echo "Unknown option \"$1\"."
3137 echo "See $0 --help for available options."
3141 print_in_columns() {
3142 cols=$(expr $ncols / 24)
3143 cat | tr ' ' '\n' | sort | pr -r "-$cols" -w $ncols -t
3149 echo $* | sed s/$suffix//g | print_in_columns
3161 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
3162 echo "prob ${prob:-0.5}"
3170 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
3171 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
3180 --extra-ldexeflags=*)
3181 add_ldexeflags $optval
3183 --extra-ldlibflags=*)
3184 add_ldlibflags $optval
3187 add_extralibs $optval
3190 disable $INDEV_LIST $OUTDEV_LIST
3193 debuglevel="$optval"
3196 disable $PROGRAM_LIST
3198 --disable-everything)
3199 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3202 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3203 disable $LIBRARY_LIST $PROGRAM_LIST doc
3206 --enable-random|--disable-random)
3207 action=${opt%%-random}
3208 do_random ${action#--} $COMPONENT_LIST
3210 --enable-random=*|--disable-random=*)
3211 action=${opt%%-random=*}
3212 do_random ${action#--} $optval
3214 --enable-*=*|--disable-*=*)
3215 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
3216 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
3217 eval list=\$$(toupper $thing)_LIST
3218 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
3219 list=$(filter "$name" $list)
3220 [ "$list" = "" ] && warn "Option $opt did not match anything"
3223 --enable-?*|--disable-?*)
3224 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
3225 if is_in $option $COMPONENT_LIST; then
3226 test $action = disable && action=unset
3227 eval $action \$$(toupper ${option%s})_LIST
3228 elif is_in $option $CMDLINE_SELECT; then
3235 NAME="${opt#--list-}"
3236 is_in $NAME $COMPONENT_LIST || die_unknown $opt
3238 eval show_list $NAME \$$(toupper $NAME)_LIST
3240 --help|-h) show_help
3242 --fatal-warnings) enable fatal_warnings
3245 optname="${opt%%=*}"
3246 optname="${optname#--}"
3247 optname=$(echo "$optname" | sed 's/-/_/g')
3248 if is_in $optname $CMDLINE_SET; then
3249 eval $optname='$optval'
3250 elif is_in $optname $CMDLINE_APPEND; then
3251 append $optname "$optval"
3263 disabled logging && logfile=/dev/null
3265 # Disable all the library-specific components if the library itself
3266 # is disabled, see AVCODEC_LIST and following _LIST variables.
3268 disable_components(){
3269 disabled ${1} && disable $(
3270 eval components="\$$(toupper ${1})_COMPONENTS"
3271 map 'eval echo \${$(toupper ${v%s})_LIST}' $components
3275 map 'disable_components $v' $LIBRARY_LIST
3277 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
3280 test -n "$valgrind" && toolchain="valgrind-memcheck"
3282 case "$toolchain" in
3285 add_cflags -fsanitize=address
3286 add_ldflags -fsanitize=address
3290 add_cflags -fsanitize=thread -pie
3291 add_ldflags -fsanitize=thread -pie
3295 add_cflags -fsanitize=undefined
3296 add_ldflags -fsanitize=undefined
3300 add_cflags -fsanitize=address
3301 add_ldflags -fsanitize=address
3305 add_cflags -fsanitize=thread -pie -fPIC
3306 add_ldflags -fsanitize=thread -pie -fPIC
3310 add_cflags -fsanitize=undefined
3311 add_ldflags -fsanitize=undefined
3314 target_exec_default=${valgrind:-"valgrind"}
3315 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"
3318 target_exec_default=${valgrind:-"valgrind"}
3319 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
3322 # Check whether the current MSVC version needs the C99 converter.
3323 # From MSVC 2013 (compiler major version 18) onwards, it does actually
3324 # support enough of C99 to build ffmpeg. Default to the new
3325 # behaviour if the regexp was unable to match anything, since this
3326 # successfully parses the version number of existing supported
3327 # versions that require the converter (MSVC 2010 and 2012).
3328 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
3329 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
3332 cc_default="c99wrap cl"
3334 ld_default="$source_path/compat/windows/mslink"
3335 nm_default="dumpbin -symbols"
3342 target_os_default="win32"
3343 # Use a relative path for TMPDIR. This makes sure all the
3344 # ffconf temp files are written with a relative path, avoiding
3345 # issues with msys/win32 path conversion for MSVC parameters
3346 # such as -Fo<file> or -out:<file>.
3352 nm_default="dumpbin -symbols"
3354 target_os_default="win32"
3358 add_cflags -fprofile-arcs -ftest-coverage
3359 add_ldflags -fprofile-arcs -ftest-coverage
3362 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
3363 add_cflags -fno-strict-overflow -fstack-protector-all
3364 add_ldflags -Wl,-z,relro -Wl,-z,now
3367 die "Unknown toolchain $toolchain"
3371 test -n "$cross_prefix" && enable cross_compile
3373 if enabled cross_compile; then
3374 test -n "$arch" && test -n "$target_os" ||
3375 die "Must specify target arch and OS when cross-compiling"
3378 ar_default="${cross_prefix}${ar_default}"
3379 cc_default="${cross_prefix}${cc_default}"
3380 cxx_default="${cross_prefix}${cxx_default}"
3381 nm_default="${cross_prefix}${nm_default}"
3382 pkg_config_default="${cross_prefix}${pkg_config_default}"
3383 if ${cross_prefix}${ranlib_default} 2>&1 | grep -q "\-D "; then
3384 ranlib_default="${cross_prefix}${ranlib_default} -D"
3386 ranlib_default="${cross_prefix}${ranlib_default}"
3388 strip_default="${cross_prefix}${strip_default}"
3389 windres_default="${cross_prefix}${windres_default}"
3391 sysinclude_default="${sysroot}/usr/include"
3393 set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \
3394 target_exec target_os yasmexe
3395 enabled cross_compile || host_cc_default=$cc
3398 pkg_config_fail_message=""
3399 if ! $pkg_config --version >/dev/null 2>&1; then
3400 warn "$pkg_config not found, library detection may fail."
3402 elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then
3403 pkg_config_fail_message="
3404 Note: When building a static binary, add --pkg-config-flags=\"--static\"."
3407 if test $doxygen != $doxygen_default && \
3408 ! $doxygen --version >/dev/null 2>&1; then
3409 warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."
3414 mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
3418 EXESUF=$(exesuf $target_os)
3419 HOSTEXESUF=$(exesuf $host_os)
3421 # set temporary file name
3422 : ${TMPDIR:=$TEMPDIR}
3426 if [ -n "$tempprefix" ] ; then
3428 echo $tempprefix.${HOSTNAME}.${UID}
3430 elif ! check_cmd mktemp -u XXXXXX; then
3431 # simple replacement for missing mktemp
3432 # NOT SAFE FOR GENERAL USE
3434 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
3439 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
3440 (set -C; exec > $tmp) 2>/dev/null ||
3441 die "Unable to create temporary file in $TMPDIR."
3442 append TMPFILES $tmp
3446 trap 'rm -f -- $TMPFILES' EXIT
3451 tmpfile TMPE $EXESUF
3463 # make sure we can execute files in $TMPDIR
3464 cat > $TMPSH 2>> $logfile <<EOF
3467 chmod +x $TMPSH >> $logfile 2>&1
3468 if ! $TMPSH >> $logfile 2>&1; then
3470 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
3471 variable to another directory and make sure that it is not mounted noexec.
3473 die "Sanity test failed."
3479 # Filter out MSVC cl.exe options from cflags that shouldn't
3480 # be passed to gas-preprocessor
3490 -std=c99) echo -c99 ;;
3491 -mcpu=*) echo -arch ${flag#*=} ;;
3492 -mieee) echo -ieee ;;
3493 -O*|-fast) echo $flag ;;
3494 -fno-math-errno) echo -assume nomath_errno ;;
3496 -Wall) echo -msg_enable level2 ;;
3497 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
3498 -Wl,*) echo $flag ;;
3508 -Wno-switch) echo -Wno-switch-enum ;;
3509 -Wno-format-zero-length) ;;
3510 -Wdisabled-optimization) ;;
3511 -Wno-pointer-sign) echo -Wno-other ;;
3517 msvc_common_flags(){
3520 # In addition to specifying certain flags under the compiler
3521 # specific filters, they must be specified here as well or else the
3522 # generic catch all at the bottom will print the original flag.
3526 -fomit-frame-pointer) ;;
3530 -fno-signed-zeros) ;;
3534 -lz) echo zlib.lib ;;
3535 -lavifil32) echo vfw32.lib ;;
3536 -lavicap32) echo vfw32.lib user32.lib ;;
3537 -l*) echo ${flag#-l}.lib ;;
3538 -LARGEADDRESSAWARE) echo $flag ;;
3539 -L*) echo -libpath:${flag#-L} ;;
3546 msvc_common_flags "$@"
3549 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
3550 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
3551 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
3553 -wd4273 -wd4554 -wd4701 ;;
3559 msvc_common_flags "$@"
3562 # Despite what Intel's documentation says -Wall, which is supported
3563 # on Windows, does enable remarks so disable them here.
3564 -Wall) echo $flag -Qdiag-disable:remark ;;
3565 -std=c99) echo -Qstd=c99 ;;
3583 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
3584 -fomit-frame-pointer) echo -Mnoframe ;;
3595 case "${flag#*=}" in
3596 native) echo -xtarget=native ;;
3597 v9|niagara) echo -xarch=sparc ;;
3598 ultrasparc) echo -xarch=sparcvis ;;
3599 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
3600 i586|pentium) echo -xchip=pentium ;;
3601 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
3602 pentium3*|c3-2) echo -xtarget=pentium3 ;;
3603 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
3604 pentium4*) echo -xtarget=pentium4 ;;
3605 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
3606 *-sse3) echo -xarch=sse3 ;;
3607 core2) echo -xarch=ssse3 -xchip=core2 ;;
3608 bonnell) echo -xarch=ssse3 ;;
3609 corei7|nehalem) echo -xtarget=nehalem ;;
3610 westmere) echo -xtarget=westmere ;;
3611 silvermont) echo -xarch=sse4_2 ;;
3612 corei7-avx|sandybridge) echo -xtarget=sandybridge ;;
3613 core-avx*|ivybridge|haswell|broadwell)
3615 amdfam10|barcelona) echo -xtarget=barcelona ;;
3616 btver1) echo -xarch=amdsse4a ;;
3617 btver2|bdver*) echo -xarch=avx ;;
3618 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
3619 k8|opteron|athlon64|athlon-fx)
3620 echo -xarch=sse2a ;;
3621 athlon*) echo -xarch=pentium_proa ;;
3624 -std=c99) echo -xc99 ;;
3625 -fomit-frame-pointer) echo -xregs=frameptr ;;
3626 -fPIC) echo -KPIC -xcode=pic32 ;;
3627 -W*,*) echo $flag ;;
3628 -f*-*|-W*|-mimpure-text) ;;
3639 case "${flag#*=}" in
3640 armv7-a|cortex-a*) echo -mv=7a8 ;;
3641 armv7-r|cortex-r*) echo -mv=7r4 ;;
3642 armv7-m|cortex-m*) echo -mv=7m3 ;;
3643 armv6*|arm11*) echo -mv=6 ;;
3644 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
3646 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
3649 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
3650 -mfpu=vfp) echo --float_support=vfpv2 ;;
3651 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
3652 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
3653 -msoft-float) echo --float_support=vfplib ;;
3654 -O[0-3]|-mf=*) echo $flag ;;
3656 -pds=*) echo $flag ;;
3657 -D*|-I*) echo $flag ;;
3658 --gcc|--abi=*) echo $flag ;;
3669 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
3670 unset _ld_o _ldflags _ld_lib _ld_path
3671 unset _depflags _DEPCMD _DEPFLAGS
3674 if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
3675 true # no-op to avoid reading stdin in following checks
3676 elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
3678 gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')
3679 _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"
3680 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3683 elif $_cc -v 2>&1 | grep -qi ^gcc; then
3685 gcc_version=$($_cc --version | head -n1)
3686 gcc_basever=$($_cc -dumpversion)
3687 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
3688 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
3689 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
3690 case $gcc_basever in
3692 *) _depflags='-MMD -MF $(@:.o=.d) -MT $@' ;;
3694 if [ "$first" = true ]; then
3695 case $gcc_basever in
3697 warn "gcc 4.2 is outdated and may miscompile FFmpeg. Please use a newer compiler." ;;
3702 elif $_cc --version 2>/dev/null | grep -q ^icc; then
3704 _ident=$($_cc --version | head -n1)
3709 _flags_filter=icc_flags
3710 elif $_cc -v 2>&1 | grep -q xlc; then
3712 _ident=$($_cc -qversion 2>/dev/null | head -n1)
3714 _cflags_size='-O5 -qcompact'
3715 elif $_cc -V 2>/dev/null | grep -q Compaq; then
3717 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
3719 _cflags_speed='-fast'
3721 _flags_filter=ccc_flags
3722 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
3723 test -d "$sysroot" || die "No valid sysroot specified."
3725 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
3726 armcc_conf="$PWD/armcc.conf"
3727 $_cc --arm_linux_configure \
3728 --arm_linux_config_file="$armcc_conf" \
3729 --configure_sysroot="$sysroot" \
3730 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
3731 die "Error creating armcc configuration file."
3732 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
3733 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
3734 as_default="${cross_prefix}gcc"
3738 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
3740 _ident=$($_cc -version | head -n1 | tr -s ' ')
3741 _flags='--gcc --abi=eabi -me'
3744 _depflags='-ppa -ppd=$(@:.o=.d)'
3745 _cflags_speed='-O3 -mf=5'
3746 _cflags_size='-O3 -mf=2'
3747 _flags_filter=tms470_flags
3748 elif $_cc -v 2>&1 | grep -q clang; then
3750 _ident=$($_cc --version 2>/dev/null | head -n1)
3751 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3754 elif $_cc -V 2>&1 | grep -q Sun; then
3756 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
3757 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3758 _DEPFLAGS='-xM1 -xc99'
3761 _cflags_size='-O5 -xspace'
3762 _flags_filter=suncc_flags
3763 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
3765 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3766 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3769 _flags_filter='filter_out -Wdisabled-optimization'
3770 elif $_cc -v 2>&1 | grep -q Open64; then
3772 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3773 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3776 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3777 elif $_cc -V 2>&1 | grep -q Portland; then
3779 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3780 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3781 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3782 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3784 _flags_filter=pgi_flags
3785 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
3787 _ident=$($_cc | head -n1)
3788 # 4509: "This form of conditional instruction is deprecated"
3789 _flags="-nologo -ignore 4509"
3790 _flags_filter=armasm_flags
3791 elif $_cc 2>&1 | grep -q Intel; then
3793 _ident=$($_cc 2>&1 | head -n1)
3794 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3795 # Not only is O3 broken on 13.x+ but it is slower on all previous
3796 # versions (tested) as well.
3798 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3799 if $_cc 2>&1 | grep -q Linker; then
3806 _flags_filter=icl_flags
3808 _ld_path='-libpath:'
3809 # -Qdiag-error to make icl error when seeing certain unknown arguments
3810 _flags='-nologo -Qdiag-error:4044,10157'
3811 # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency
3812 # with MSVC which enables it by default.
3813 _cflags='-D_USE_MATH_DEFINES -Qms0 -Qvec- -Qsimd- -GS -fp:precise'
3815 elif $_cc -nologo- 2>&1 | grep -q Microsoft; then
3817 _ident=$($_cc 2>&1 | head -n1)
3818 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3819 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3822 if $_cc -nologo- 2>&1 | grep -q Linker; then
3829 _flags_filter=msvc_flags
3831 _ld_path='-libpath:'
3833 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS'
3835 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3837 _ident=$($_cc --version | head -n1)
3841 _flags_filter=cparser_flags
3844 eval ${pfx}_type=\$_type
3845 eval ${pfx}_ident=\$_ident
3849 eval ${1}_C=\${_cc_c-\${${1}_C}}
3850 eval ${1}_E=\${_cc_e-\${${1}_E}}
3851 eval ${1}_O=\${_cc_o-\${${1}_O}}
3853 if [ -n "$_depflags" ]; then
3854 eval ${1}_DEPFLAGS=\$_depflags
3856 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3857 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3858 eval DEP${1}FLAGS=\$_flags
3862 probe_cc cc "$cc" "true"
3863 cflags_filter=$_flags_filter
3864 cflags_speed=$_cflags_speed
3865 cflags_size=$_cflags_size
3866 cflags_noopt=$_cflags_noopt
3867 add_cflags $_flags $_cflags
3868 cc_ldflags=$_ldflags
3871 probe_cc hostcc "$host_cc"
3872 host_cflags_filter=$_flags_filter
3873 add_host_cflags $_flags $_cflags
3876 test -n "$cc_type" && enable $cc_type ||
3877 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3879 : ${as_default:=$cc}
3880 : ${objcc_default:=$cc}
3881 : ${dep_cc_default:=$cc}
3882 : ${ld_default:=$cc}
3883 : ${host_ld_default:=$host_cc}
3884 set_default ar as objcc dep_cc ld host_ld windres
3887 asflags_filter=$_flags_filter
3888 add_asflags $_flags $_cflags
3891 probe_cc objcc "$objcc"
3892 objcflags_filter=$_flags_filter
3893 add_objcflags $_flags $_cflags
3897 ldflags_filter=$_flags_filter
3898 add_ldflags $_flags $_ldflags
3899 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3901 LD_LIB=${_ld_lib-$LD_LIB}
3902 LD_PATH=${_ld_path-$LD_PATH}
3904 probe_cc hostld "$host_ld"
3905 host_ldflags_filter=$_flags_filter
3906 add_host_ldflags $_flags $_ldflags
3907 HOSTLD_O=${_ld_o-$HOSTLD_O}
3909 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3910 probe_cc depcc "$dep_cc"
3911 CCDEP=${_DEPCMD:-$DEPCMD}
3912 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3916 if $ar 2>&1 | grep -q Microsoft; then
3919 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3922 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3923 arflags='-Xany -r -c'
3925 elif $ar 2>&1 | grep -q "\[D\] "; then
3933 add_cflags $extra_cflags
3934 add_cxxflags $extra_cxxflags
3935 add_objcflags $extra_objcflags
3936 add_asflags $extra_cflags
3938 if test -n "$sysroot"; then
3941 add_cppflags --sysroot="$sysroot"
3942 add_ldflags --sysroot="$sysroot"
3943 # On Darwin --sysroot may be ignored, -isysroot always affects headers and linking
3944 add_cppflags -isysroot "$sysroot"
3945 add_ldflags -isysroot "$sysroot"
3948 add_cppflags -I"$sysinclude"
3949 add_ldflags --sysroot="$sysroot"
3954 if test "$cpu" = host; then
3955 enabled cross_compile &&
3956 die "--cpu=host makes no sense when cross-compiling."
3961 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3963 s/.*$1=\\([^ ]*\\).*/\\1/
3968 cpu=$(check_native -march || check_native -mcpu)
3972 test "${cpu:-host}" = host &&
3973 die "--cpu=host not supported with compiler $cc"
3976 # Deal with common $arch aliases
3990 "Power Macintosh"|ppc*|powerpc*)
4005 i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
4010 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
4013 # Add processor-specific flags
4014 if enabled aarch64; then
4018 cpuflags="-march=$cpu"
4021 cpuflags="-mcpu=$cpu"
4025 elif enabled alpha; then
4027 cpuflags="-mcpu=$cpu"
4029 elif enabled arm; then
4032 check_cpp_condition stddef.h \
4033 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
4038 if check_arm_arch 4; then echo armv4;
4039 elif check_arm_arch 4T; then echo armv4t;
4040 elif check_arm_arch 5; then echo armv5;
4041 elif check_arm_arch 5E; then echo armv5e;
4042 elif check_arm_arch 5T; then echo armv5t;
4043 elif check_arm_arch 5TE; then echo armv5te;
4044 elif check_arm_arch 5TEJ; then echo armv5te;
4045 elif check_arm_arch 6; then echo armv6;
4046 elif check_arm_arch 6J; then echo armv6j;
4047 elif check_arm_arch 6K; then echo armv6k;
4048 elif check_arm_arch 6Z; then echo armv6z;
4049 elif check_arm_arch 6ZK; then echo armv6zk;
4050 elif check_arm_arch 6T2; then echo armv6t2;
4051 elif check_arm_arch 7; then echo armv7;
4052 elif check_arm_arch 7A 7_A; then echo armv7-a;
4053 elif check_arm_arch 7S; then echo armv7-a;
4054 elif check_arm_arch 7R 7_R; then echo armv7-r;
4055 elif check_arm_arch 7M 7_M; then echo armv7-m;
4056 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
4057 elif check_arm_arch 8A 8_A; then echo armv8-a;
4061 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
4065 cpuflags="-march=$cpu"
4066 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
4069 cpuflags="-mcpu=$cpu"
4071 cortex-a*) subarch=armv7a ;;
4072 cortex-r*) subarch=armv7r ;;
4073 cortex-m*) enable thumb; subarch=armv7m ;;
4074 arm11*) subarch=armv6 ;;
4075 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
4076 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
4077 *) subarch=$(probe_arm_arch) ;;