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 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
320 --ld=LD use linker LD [$ld_default]
321 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
322 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
323 --ranlib=RANLIB use ranlib RANLIB [$ranlib_default]
324 --doxygen=DOXYGEN use DOXYGEN to generate API doc [$doxygen_default]
325 --host-cc=HOSTCC use host C compiler HOSTCC
326 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
327 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
328 --host-ld=HOSTLD use host linker HOSTLD
329 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
330 --host-libs=HLIBS use libs HLIBS when linking for host
331 --host-os=OS compiler host OS [$target_os]
332 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
333 --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
334 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
335 --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
336 --extra-ldlibflags=ELDFLAGS add ELDFLAGS to LDLIBFLAGS [$LDLIBFLAGS]
337 --extra-libs=ELIBS add ELIBS [$ELIBS]
338 --extra-version=STRING version string suffix []
339 --optflags=OPTFLAGS override optimization-related compiler flags
340 --build-suffix=SUFFIX library name suffix []
341 --enable-pic build position-independent code
342 --enable-thumb compile for Thumb instruction set
343 --enable-lto use link-time optimization
344 --env="ENV=override" override the environment variables
346 Advanced options (experts only):
347 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
348 --custom-allocator=NAME use a supported custom allocator
349 --disable-symver disable symbol versioning
350 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
351 --disable-safe-bitstream-reader
352 disable buffer boundary checking in bitreaders
353 (faster, but may crash)
354 --enable-memalign-hack emulate memalign, interferes with memory debuggers
355 --sws-max-filter-size=N the max filter size swscale uses [$sws_max_filter_size_default]
357 Optimization options (experts only):
358 --disable-asm disable all assembly optimizations
359 --disable-altivec disable AltiVec optimizations
360 --disable-vsx disable VSX optimizations
361 --disable-power8 disable POWER8 optimizations
362 --disable-amd3dnow disable 3DNow! optimizations
363 --disable-amd3dnowext disable 3DNow! extended optimizations
364 --disable-mmx disable MMX optimizations
365 --disable-mmxext disable MMXEXT optimizations
366 --disable-sse disable SSE optimizations
367 --disable-sse2 disable SSE2 optimizations
368 --disable-sse3 disable SSE3 optimizations
369 --disable-ssse3 disable SSSE3 optimizations
370 --disable-sse4 disable SSE4 optimizations
371 --disable-sse42 disable SSE4.2 optimizations
372 --disable-avx disable AVX optimizations
373 --disable-xop disable XOP optimizations
374 --disable-fma3 disable FMA3 optimizations
375 --disable-fma4 disable FMA4 optimizations
376 --disable-avx2 disable AVX2 optimizations
377 --disable-aesni disable AESNI optimizations
378 --disable-armv5te disable armv5te optimizations
379 --disable-armv6 disable armv6 optimizations
380 --disable-armv6t2 disable armv6t2 optimizations
381 --disable-vfp disable VFP optimizations
382 --disable-neon disable NEON optimizations
383 --disable-inline-asm disable use of inline assembly
384 --disable-yasm disable use of nasm/yasm assembly
385 --disable-mips32r5 disable MIPS32R5 optimizations
386 --disable-mips64r6 disable MIPS64R6 optimizations
387 --disable-mipsdsp disable MIPS DSP ASE R1 optimizations
388 --disable-mipsdspr2 disable MIPS DSP ASE R2 optimizations
389 --disable-msa disable MSA optimizations
390 --disable-mipsfpu disable floating point MIPS optimizations
391 --disable-mmi disable Loongson SIMD optimizations
392 --disable-fast-unaligned consider unaligned accesses slow
394 Developer options (useful when working on FFmpeg itself):
395 --disable-debug disable debugging symbols
396 --enable-debug=LEVEL set the debug level [$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 LDFLAGS $($ldflags_filter "$@")
814 append LDEXEFLAGS $($ldflags_filter "$@")
818 append LDLIBFLAGS $($ldflags_filter "$@")
822 append ASMSTRIPFLAGS "$@"
826 prepend extralibs $($ldflags_filter "$@")
830 append host_cppflags "$@"
834 append host_cflags $($host_cflags_filter "$@")
838 append host_ldflags $($host_ldflags_filter "$@")
842 append compat_objs $1
844 map 'add_cppflags -D$v' "$@"
849 "$@" >> $logfile 2>&1
854 stat "$1" >> $logfile 2>&1
858 eval printf '%s\\n' $CC_O
862 eval printf '%s\\n' $CC_E
869 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
876 check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
883 check_cmd $cc -Werror=missing-prototypes $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPM
890 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
894 eval printf '%s\\n' $AS_O
901 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
905 log check_inline_asm "$@"
910 check_cc "$@" <<EOF && enable $name
911 void foo(void){ __asm__ volatile($code); }
917 check_inline_asm ${1}_inline "\"$2\""
918 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
926 check_cmd $yasmexe $YASMFLAGS -Werror "$@" -o $TMPO $TMPS
930 eval printf '%s\\n' $LD_O
937 flags=$(filter_out '-l*|*.so' $@)
938 libs=$(filter '-l*|*.so' $@)
939 check_$type $($cflags_filter $flags) || return
940 flags=$($ldflags_filter $flags)
941 libs=$($ldflags_filter $libs)
942 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
947 test "${hdr%.h}" = "${hdr}" &&
948 echo "#include $hdr" ||
949 echo "#include <$hdr>"
959 for hdr in $headers; do
962 echo "int main(void) { $code; return 0; }"
963 } | check_$check "$@"
967 log check_cppflags "$@"
968 check_cc "$@" <<EOF && append CPPFLAGS "$@"
975 set -- $($cflags_filter "$@")
982 log check_cflags "$@"
983 test_cflags "$@" && add_cflags "$@"
987 log check_cxxflags "$@"
988 set -- $($cflags_filter "$@")
989 check_cxx "$@" <<EOF && append CXXFLAGS "$@"
995 log test_ldflags "$@"
996 check_ld "cc" "$@" <<EOF
997 int main(void){ return 0; }
1002 log check_ldflags "$@"
1003 test_ldflags "$@" && add_ldflags "$@"
1007 log test_stripflags "$@"
1008 # call check_cc to get a fresh TMPO
1010 int main(void) { return 0; }
1012 check_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO
1016 log check_stripflags "$@"
1017 test_stripflags "$@" && add_stripflags "$@"
1021 log check_header "$@"
1024 disable_safe $header
1025 check_cpp "$@" <<EOF && enable_safe $header
1032 log check_header_oc "$@"
1036 disable_safe $header
1038 echo "#include <$header>"
1039 echo "int main(void) { return 0; }"
1040 } | check_oc && check_stat "$TMPO" && enable_safe $headers
1048 check_ld "cc" "$@" <<EOF && enable $func
1050 int main(void){ $func(); }
1054 check_complexfunc(){
1055 log check_complexfunc "$@"
1059 test $narg = 2 && args="f, g" || args="f * I"
1061 check_ld "cc" "$@" <<EOF && enable $func
1062 #include <complex.h>
1064 float foo(complex float f, complex float g) { return $func($args); }
1065 int main(void){ return (int) foo; }
1070 log check_mathfunc "$@"
1074 test $narg = 2 && args="f, g" || args="f"
1076 check_ld "cc" "$@" <<EOF && enable $func
1078 float foo(float f, float g) { return $func($args); }
1079 int main(void){ return (int) foo; }
1083 check_func_headers(){
1084 log check_func_headers "$@"
1089 for hdr in $headers; do
1092 for func in $funcs; do
1093 echo "long check_$func(void) { return (long) $func; }"
1095 echo "int main(void) { return 0; }"
1096 } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
1099 check_class_headers_cpp(){
1100 log check_class_headers_cpp "$@"
1105 for hdr in $headers; do
1106 echo "#include <$hdr>"
1108 echo "int main(void) { "
1110 for class in $classes; do
1111 echo "$class obj$i;"
1115 } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
1118 check_cpp_condition(){
1119 log check_cpp_condition "$@"
1123 check_cpp "$@" <<EOF
1126 #error "unsatisfied condition: $condition"
1136 check_header $header && check_func $func "$@" && add_extralibs "$@"
1144 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
1148 log check_lib_cpp "$@"
1152 check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
1156 log check_pkg_config "$@"
1162 check_cmd $pkg_config --exists --print-errors $pkgandversion || return
1163 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1164 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1165 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1166 set_safe "${pkg}_cflags" $pkg_cflags &&
1167 set_safe "${pkg}_libs" $pkg_libs
1171 check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1177 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1178 # are safe but may not be available everywhere. Thus we use
1179 # raise(SIGTERM) instead. The check is run in a subshell so we
1180 # can redirect the "Terminated" message from the shell. SIGBUS
1181 # is not defined by standard C so it is used conditionally.
1183 (check_exec "$@") >> $logfile 2>&1 <<EOF
1185 static void sighandler(int sig){
1191 int (*func_ptr)(void) = foo;
1193 signal(SIGILL, sighandler);
1194 signal(SIGFPE, sighandler);
1195 signal(SIGSEGV, sighandler);
1197 signal(SIGBUS, sighandler);
1209 disable_safe "$type"
1210 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1214 log check_struct "$@"
1219 disable_safe "${struct}_${member}"
1220 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1221 enable_safe "${struct}_${member}"
1225 log check_builtin "$@"
1231 check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1234 check_compile_assert(){
1235 log check_compile_assert "$@"
1241 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1249 check_lib $header $func "$@" || die "ERROR: $name not found"
1257 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1265 check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1270 check_pkg_config "$@" || return 1
1271 add_cflags $(get_safe "${pkg}_cflags")
1272 add_extralibs $(get_safe "${pkg}_libs")
1275 require_pkg_config(){
1276 use_pkg_config "$@" || die "ERROR: $pkg not found using pkg-config$pkg_config_fail_message"
1279 require_libfreetype(){
1280 log require_libfreetype "$@"
1282 check_cmd $pkg_config --exists --print-errors $pkg \
1283 || die "ERROR: $pkg not found"
1284 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1285 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1287 echo "#include <ft2build.h>"
1288 echo "#include FT_FREETYPE_H"
1289 echo "long check_func(void) { return (long) FT_Init_FreeType; }"
1290 echo "int main(void) { return 0; }"
1291 } | check_ld "cc" $pkg_cflags $pkg_libs \
1292 && set_safe "${pkg}_cflags" $pkg_cflags \
1293 && set_safe "${pkg}_libs" $pkg_libs \
1294 || die "ERROR: $pkg not found"
1295 add_cflags $(get_safe "${pkg}_cflags")
1296 add_extralibs $(get_safe "${pkg}_libs")
1300 eval printf '%s\\n' $HOSTCC_E
1304 eval printf '%s\\n' $HOSTCC_O
1308 log check_host_cc "$@"
1311 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1315 log check_host_cpp "$@"
1318 check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1321 check_host_cppflags(){
1322 log check_host_cppflags "$@"
1323 check_host_cc "$@" <<EOF && append host_cppflags "$@"
1328 check_host_cflags(){
1329 log check_host_cflags "$@"
1330 set -- $($host_cflags_filter "$@")
1331 check_host_cc "$@" <<EOF && append host_cflags "$@"
1336 check_host_cpp_condition(){
1337 log check_host_cpp_condition "$@"
1341 check_host_cpp "$@" <<EOF
1344 #error "unsatisfied condition: $condition"
1350 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1351 mkdir -p "$(dirname $2)"
1355 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1356 # system-dependent things.
1358 AVCODEC_COMPONENTS="
1366 AVDEVICE_COMPONENTS="
1370 AVFILTER_COMPONENTS="
1373 AVFORMAT_COMPONENTS="
1379 AVRESAMPLE_COMPONENTS=""
1380 AVUTIL_COMPONENTS=""
1384 $AVDEVICE_COMPONENTS
1385 $AVFILTER_COMPONENTS
1386 $AVFORMAT_COMPONENTS
1387 $AVRESAMPLE_COMPONENTS
1392 avio_reading_example
1393 avio_dir_cmd_example
1394 decoding_encoding_example
1395 demuxing_decoding_example
1397 filter_audio_example
1398 filtering_audio_example
1399 filtering_video_example
1404 resampling_audio_example
1405 scaling_video_example
1406 transcode_aac_example
1410 EXTERNAL_LIBRARY_LIST="
1515 safe_bitstream_reader
1576 $EXTERNAL_LIBRARY_LIST
1584 incompatible_libav_abi
1646 ARCH_EXT_LIST_MIPS="
1656 ARCH_EXT_LIST_LOONGSON="
1662 ARCH_EXT_LIST_X86_SIMD="
1691 $ARCH_EXT_LIST_X86_SIMD
1701 $ARCH_EXT_LIST_LOONGSON
1717 atomic_compare_exchange
1723 sync_val_compare_and_swap
1734 incompatible_libav_abi
1743 cdio_paranoia_paranoia_h
1744 dev_bktr_ioctl_bt848_h
1745 dev_bktr_ioctl_meteor_h
1747 dev_video_bktr_ioctl_bt848_h
1748 dev_video_meteor_ioctl_meteor_h
1758 machine_ioctl_bt848_h
1759 machine_ioctl_meteor_h
1761 openjpeg_1_5_openjpeg_h
1837 GetProcessAffinityMask
1838 GetProcessMemoryInfo
1841 GetSystemTimeAsFileTime
1848 jack_port_get_latency_range
1864 SetConsoleTextAttribute
1865 SetConsoleCtrlHandler
1873 UTGetOSTypeFromString
1878 TOOLCHAIN_FEATURES="
1891 inline_asm_nonlocal_labels
1892 inline_asm_direct_symbol_refs
1903 CONDITION_VARIABLE_Ptr
1906 struct_group_source_req
1907 struct_ip_mreq_source
1910 struct_rusage_ru_maxrss
1911 struct_sctp_event_subscribe
1913 struct_sockaddr_sa_len
1914 struct_sockaddr_storage
1915 struct_stat_st_mtim_tv_nsec
1916 struct_v4l2_frmivalenum_discrete
1921 $(add_suffix _external $ARCH_EXT_LIST)
1922 $(add_suffix _inline $ARCH_EXT_LIST)
1957 # options emitted with CONFIG_ prefix but not available on the command line
1973 frame_thread_encoder
2113 # code dependency declarations
2115 # architecture extensions
2120 armv8_deps="aarch64"
2121 neon_deps_any="aarch64 arm"
2122 intrinsics_neon_deps="neon"
2123 vfp_deps_any="aarch64 arm"
2127 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
2131 mipsdspr2_deps="mips"
2132 mips32r2_deps="mips"
2133 mips32r5_deps="mips"
2134 mips64r6_deps="mips"
2146 x86_64_select="i686"
2147 x86_64_suggest="fast_cmov"
2150 amd3dnowext_deps="amd3dnow"
2167 mmx_external_deps="yasm"
2168 mmx_inline_deps="inline_asm"
2169 mmx_suggest="mmx_external mmx_inline"
2171 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
2172 eval dep=\$${ext}_deps
2173 eval ${ext}_external_deps='"${dep}_external"'
2174 eval ${ext}_inline_deps='"${dep}_inline"'
2175 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
2178 aligned_stack_if_any="aarch64 ppc x86"
2179 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
2180 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
2181 fast_unaligned_if_any="aarch64 ppc x86"
2182 simd_align_16_if_any="altivec neon sse"
2184 # system capabilities
2185 symver_if_any="symver_asm_label symver_gnu_asm"
2186 valgrind_backtrace_deps="!optimizations valgrind_valgrind_h"
2189 atomics_gcc_if_any="sync_val_compare_and_swap atomic_compare_exchange"
2190 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
2191 atomics_win32_if="MemoryBarrier"
2192 atomics_native_if_any="$ATOMICS_LIST"
2193 w32threads_deps="atomics_native"
2194 threads_if_any="$THREADS_LIST"
2198 error_resilience_select="me_cmp"
2199 faandct_deps="faan fdctdsp"
2200 faanidct_deps="faan idctdsp"
2201 frame_thread_encoder_deps="encoders threads"
2202 intrax8_select="error_resilience"
2205 me_cmp_select="fdctdsp idctdsp pixblockdsp"
2206 mpeg_er_select="error_resilience"
2207 mpegaudio_select="mpegaudiodsp"
2208 mpegaudiodsp_select="dct"
2209 mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp mpeg_er videodsp"
2210 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
2214 # decoders / encoders
2215 aac_decoder_select="imdct15 mdct sinewin"
2216 aac_fixed_decoder_select="mdct sinewin"
2217 aac_encoder_select="audio_frame_queue iirfilter lpc mdct sinewin"
2218 aac_latm_decoder_select="aac_decoder aac_latm_parser"
2219 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
2220 ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"
2221 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
2222 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
2223 adpcm_g722_decoder_select="g722dsp"
2224 adpcm_g722_encoder_select="g722dsp"
2225 aic_decoder_select="golomb idctdsp"
2226 alac_encoder_select="lpc"
2227 als_decoder_select="bswapdsp"
2228 amrnb_decoder_select="lsp"
2229 amrwb_decoder_select="lsp"
2230 amv_decoder_select="sp5x_decoder exif"
2231 amv_encoder_select="aandcttables jpegtables mpegvideoenc"
2232 ape_decoder_select="bswapdsp llauddsp"
2233 apng_decoder_select="zlib"
2234 apng_encoder_select="huffyuvencdsp zlib"
2235 asv1_decoder_select="blockdsp bswapdsp idctdsp"
2236 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
2237 asv2_decoder_select="blockdsp bswapdsp idctdsp"
2238 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
2239 atrac1_decoder_select="mdct sinewin"
2240 atrac3_decoder_select="mdct"
2241 atrac3p_decoder_select="mdct sinewin"
2242 avrn_decoder_select="exif jpegtables"
2243 bink_decoder_select="blockdsp hpeldsp"
2244 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
2245 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
2246 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
2247 cllc_decoder_select="bswapdsp"
2248 comfortnoise_encoder_select="lpc"
2249 cook_decoder_select="audiodsp mdct sinewin"
2250 cscd_decoder_select="lzo"
2251 cscd_decoder_suggest="zlib"
2252 dca_decoder_select="fmtconvert mdct"
2253 dds_decoder_select="texturedsp"
2254 dirac_decoder_select="dwt golomb videodsp mpegvideoenc"
2255 dnxhd_decoder_select="blockdsp idctdsp"
2256 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
2257 dvvideo_decoder_select="dvprofile idctdsp"
2258 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
2259 dxa_decoder_select="zlib"
2260 dxv_decoder_select="lzf texturedsp"
2261 eac3_decoder_select="ac3_decoder"
2262 eac3_encoder_select="ac3_encoder"
2263 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
2264 eatgq_decoder_select="aandcttables"
2265 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpeg1video_decoder"
2266 exr_decoder_select="zlib"
2267 ffv1_decoder_select="golomb rangecoder"
2268 ffv1_encoder_select="rangecoder"
2269 ffvhuff_decoder_select="huffyuv_decoder"
2270 ffvhuff_encoder_select="huffyuv_encoder"
2271 fic_decoder_select="golomb"
2272 flac_decoder_select="flacdsp golomb"
2273 flac_encoder_select="bswapdsp flacdsp golomb lpc"
2274 flashsv_decoder_select="zlib"
2275 flashsv_encoder_select="zlib"
2276 flashsv2_encoder_select="zlib"
2277 flashsv2_decoder_select="zlib"
2278 flv_decoder_select="h263_decoder"
2279 flv_encoder_select="h263_encoder"
2280 fourxm_decoder_select="blockdsp bswapdsp"
2281 fraps_decoder_select="bswapdsp huffman"
2282 g2m_decoder_select="blockdsp idctdsp jpegtables zlib"
2283 g729_decoder_select="audiodsp"
2284 h261_decoder_select="mpegvideo"
2285 h261_encoder_select="aandcttables mpegvideoenc"
2286 h263_decoder_select="h263_parser h263dsp mpegvideo qpeldsp"
2287 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
2288 h263i_decoder_select="h263_decoder"
2289 h263p_decoder_select="h263_decoder"
2290 h263p_encoder_select="h263_encoder"
2291 h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel startcode videodsp"
2292 h264_decoder_suggest="error_resilience"
2293 h264_qsv_decoder_deps="libmfx"
2294 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
2295 h264_qsv_encoder_deps="libmfx"
2296 h264_qsv_encoder_select="qsvenc"
2297 hap_decoder_select="snappy texturedsp"
2298 hap_encoder_deps="libsnappy"
2299 hap_encoder_select="texturedspenc"
2300 hevc_decoder_select="bswapdsp cabac golomb videodsp"
2301 hevc_qsv_encoder_deps="libmfx"
2302 hevc_qsv_decoder_deps="libmfx"
2303 hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec hevc_qsv_hwaccel"
2304 hevc_qsv_encoder_select="qsvenc"
2305 huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"
2306 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llviddsp"
2307 iac_decoder_select="imc_decoder"
2308 imc_decoder_select="bswapdsp fft mdct sinewin"
2309 indeo3_decoder_select="hpeldsp"
2310 indeo4_decoder_select="ividsp"
2311 indeo5_decoder_select="ividsp"
2312 interplay_video_decoder_select="hpeldsp"
2313 jpegls_decoder_select="golomb mjpeg_decoder"
2314 jpegls_encoder_select="golomb"
2315 jv_decoder_select="blockdsp"
2316 lagarith_decoder_select="huffyuvdsp"
2317 ljpeg_encoder_select="aandcttables idctdsp jpegtables"
2318 loco_decoder_select="golomb"
2319 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2320 metasound_decoder_select="lsp mdct sinewin"
2321 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2322 mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"
2323 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
2324 mjpegb_decoder_select="mjpeg_decoder"
2325 mlp_decoder_select="mlp_parser"
2326 motionpixels_decoder_select="bswapdsp"
2327 mp1_decoder_select="mpegaudio"
2328 mp1float_decoder_select="mpegaudio"
2329 mp2_decoder_select="mpegaudio"
2330 mp2float_decoder_select="mpegaudio"
2331 mp3_decoder_select="mpegaudio"
2332 mp3adu_decoder_select="mpegaudio"
2333 mp3adufloat_decoder_select="mpegaudio"
2334 mp3float_decoder_select="mpegaudio"
2335 mp3on4_decoder_select="mpegaudio"
2336 mp3on4float_decoder_select="mpegaudio"
2337 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2338 mpc8_decoder_select="mpegaudiodsp"
2339 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
2340 mpeg_xvmc_decoder_select="mpeg2video_decoder"
2341 mpegvideo_decoder_select="mpegvideo"
2342 mpeg1video_decoder_select="mpegvideo"
2343 mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"
2344 mpeg2video_decoder_select="mpegvideo"
2345 mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"
2346 mpeg2_qsv_decoder_deps="libmfx"
2347 mpeg2_qsv_decoder_select="qsvdec mpeg2_qsv_hwaccel"
2348 mpeg2_qsv_encoder_deps="libmfx"
2349 mpeg2_qsv_encoder_select="qsvenc"
2350 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2351 mpeg4_encoder_select="h263_encoder"
2352 msa1_decoder_select="mss34dsp"
2353 msmpeg4v1_decoder_select="h263_decoder"
2354 msmpeg4v2_decoder_select="h263_decoder"
2355 msmpeg4v2_encoder_select="h263_encoder"
2356 msmpeg4v3_decoder_select="h263_decoder"
2357 msmpeg4v3_encoder_select="h263_encoder"
2358 mss2_decoder_select="vc1_decoder"
2359 mts2_decoder_select="mss34dsp"
2360 mxpeg_decoder_select="mjpeg_decoder"
2361 nellymoser_decoder_select="mdct sinewin"
2362 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2363 nuv_decoder_select="idctdsp lzo"
2364 on2avc_decoder_select="mdct"
2365 opus_decoder_deps="swresample"
2366 opus_decoder_select="imdct15"
2367 png_decoder_select="zlib"
2368 png_encoder_select="huffyuvencdsp zlib"
2369 prores_decoder_select="blockdsp idctdsp"
2370 prores_encoder_select="fdctdsp"
2371 qcelp_decoder_select="lsp"
2372 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2373 ra_144_encoder_select="audio_frame_queue lpc audiodsp"
2374 ra_144_decoder_select="audiodsp"
2375 ralf_decoder_select="golomb"
2376 rawvideo_decoder_select="bswapdsp"
2377 rscc_decoder_select="zlib"
2378 rtjpeg_decoder_select="me_cmp"
2379 rv10_decoder_select="h263_decoder"
2380 rv10_encoder_select="h263_encoder"
2381 rv20_decoder_select="h263_decoder"
2382 rv20_encoder_select="h263_encoder"
2383 rv30_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2384 rv40_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2385 screenpresso_decoder_select="zlib"
2386 shorten_decoder_select="golomb"
2387 sipr_decoder_select="lsp"
2388 snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"
2389 snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"
2390 sonic_decoder_select="golomb rangecoder"
2391 sonic_encoder_select="golomb rangecoder"
2392 sonic_ls_encoder_select="golomb rangecoder"
2393 sp5x_decoder_select="mjpeg_decoder"
2394 svq1_decoder_select="hpeldsp"
2395 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2396 svq3_decoder_select="h264_decoder hpeldsp tpeldsp"
2397 svq3_decoder_suggest="zlib"
2398 tak_decoder_select="audiodsp"
2399 tdsc_decoder_select="zlib mjpeg_decoder"
2400 theora_decoder_select="vp3_decoder"
2401 thp_decoder_select="mjpeg_decoder"
2402 tiff_decoder_suggest="zlib lzma"
2403 tiff_encoder_suggest="zlib"
2404 truehd_decoder_select="mlp_parser"
2405 truemotion2_decoder_select="bswapdsp"
2406 truespeech_decoder_select="bswapdsp"
2407 tscc_decoder_select="zlib"
2408 twinvq_decoder_select="mdct lsp sinewin"
2409 txd_decoder_select="texturedsp"
2410 utvideo_decoder_select="bswapdsp"
2411 utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"
2412 vble_decoder_select="huffyuvdsp"
2413 vc1_decoder_select="blockdsp h263_decoder h264qpel intrax8 qpeldsp startcode"
2414 vc1image_decoder_select="vc1_decoder"
2415 vc1_qsv_decoder_deps="libmfx"
2416 vc1_qsv_decoder_select="qsvdec vc1_qsv_hwaccel"
2417 vorbis_decoder_select="mdct"
2418 vorbis_encoder_select="mdct"
2419 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2420 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"
2421 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"
2422 vp6a_decoder_select="vp6_decoder"
2423 vp6f_decoder_select="vp6_decoder"
2424 vp7_decoder_select="h264pred videodsp vp8dsp"
2425 vp8_decoder_select="h264pred videodsp vp8dsp"
2426 vp9_decoder_select="videodsp vp9_parser"
2427 webp_decoder_select="vp8_decoder"
2428 wmalossless_decoder_select="llauddsp"
2429 wmapro_decoder_select="mdct sinewin wma_freqs"
2430 wmav1_decoder_select="mdct sinewin wma_freqs"
2431 wmav1_encoder_select="mdct sinewin wma_freqs"
2432 wmav2_decoder_select="mdct sinewin wma_freqs"
2433 wmav2_encoder_select="mdct sinewin wma_freqs"
2434 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2435 wmv1_decoder_select="h263_decoder"
2436 wmv1_encoder_select="h263_encoder"
2437 wmv2_decoder_select="blockdsp h263_decoder idctdsp intrax8 videodsp wmv2dsp"
2438 wmv2_encoder_select="h263_encoder wmv2dsp"
2439 wmv3_decoder_select="vc1_decoder"
2440 wmv3image_decoder_select="wmv3_decoder"
2441 zerocodec_decoder_select="zlib"
2442 zlib_decoder_select="zlib"
2443 zlib_encoder_select="zlib"
2444 zmbv_decoder_select="zlib"
2445 zmbv_encoder_select="zlib"
2447 # hardware accelerators
2448 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
2449 d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder ID3D11VideoContext"
2450 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode"
2451 vaapi_deps="va_va_h"
2452 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
2453 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
2454 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
2455 videotoolbox_deps="VideoToolbox_VideoToolbox_h pthreads"
2456 videotoolbox_extralibs="-framework CoreFoundation -framework VideoToolbox -framework CoreMedia -framework QuartzCore -framework CoreVideo"
2457 xvmc_deps="X11_extensions_XvMClib_h"
2459 h263_vaapi_hwaccel_deps="vaapi"
2460 h263_vaapi_hwaccel_select="h263_decoder"
2461 h263_videotoolbox_hwaccel_deps="videotoolbox"
2462 h263_videotoolbox_hwaccel_select="h263_decoder"
2463 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
2464 h264_d3d11va_hwaccel_deps="d3d11va"
2465 h264_d3d11va_hwaccel_select="h264_decoder"
2466 h264_dxva2_hwaccel_deps="dxva2"
2467 h264_dxva2_hwaccel_select="h264_decoder"
2468 h264_mmal_decoder_deps="mmal"
2469 h264_mmal_hwaccel_deps="mmal"
2470 h264_mmal_decoder_select="h264_decoder"
2471 h264_mmal_encoder_deps="mmal"
2472 h264_qsv_hwaccel_deps="libmfx"
2473 h264_vaapi_hwaccel_deps="vaapi"
2474 h264_vaapi_hwaccel_select="h264_decoder"
2475 h264_vda_decoder_deps="vda"
2476 h264_vda_decoder_select="h264_decoder"
2477 h264_vda_hwaccel_deps="vda"
2478 h264_vda_hwaccel_select="h264_decoder"
2479 h264_vda_old_hwaccel_deps="vda"
2480 h264_vda_old_hwaccel_select="h264_decoder"
2481 h264_vdpau_decoder_deps="vdpau"
2482 h264_vdpau_decoder_select="h264_decoder"
2483 h264_vdpau_hwaccel_deps="vdpau"
2484 h264_vdpau_hwaccel_select="h264_decoder"
2485 h264_videotoolbox_hwaccel_deps="videotoolbox"
2486 h264_videotoolbox_hwaccel_select="h264_decoder"
2487 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2488 hevc_d3d11va_hwaccel_select="hevc_decoder"
2489 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2490 hevc_dxva2_hwaccel_select="hevc_decoder"
2491 hevc_qsv_hwaccel_deps="libmfx"
2492 hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC"
2493 hevc_vaapi_hwaccel_select="hevc_decoder"
2494 hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"
2495 hevc_vdpau_hwaccel_select="hevc_decoder"
2496 mpeg_vdpau_decoder_deps="vdpau"
2497 mpeg_vdpau_decoder_select="mpeg2video_decoder"
2498 mpeg_xvmc_hwaccel_deps="xvmc"
2499 mpeg_xvmc_hwaccel_select="mpeg2video_decoder"
2500 mpeg1_vdpau_decoder_deps="vdpau"
2501 mpeg1_vdpau_decoder_select="mpeg1video_decoder"
2502 mpeg1_vdpau_hwaccel_deps="vdpau"
2503 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2504 mpeg1_videotoolbox_hwaccel_deps="videotoolbox"
2505 mpeg1_videotoolbox_hwaccel_select="mpeg1video_decoder"
2506 mpeg1_xvmc_hwaccel_deps="xvmc"
2507 mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"
2508 mpeg2_crystalhd_decoder_select="crystalhd"
2509 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2510 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2511 mpeg2_dxva2_hwaccel_deps="dxva2"
2512 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2513 mpeg2_mmal_decoder_deps="mmal"
2514 mpeg2_mmal_hwaccel_deps="mmal"
2515 mpeg2_mmal_decoder_select="mpeg2video_decoder"
2516 mpeg2_qsv_hwaccel_deps="libmfx"
2517 mpeg2_qsv_hwaccel_select="qsvdec_mpeg2"
2518 mpeg2_vaapi_hwaccel_deps="vaapi"
2519 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2520 mpeg2_vdpau_hwaccel_deps="vdpau"
2521 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2522 mpeg2_videotoolbox_hwaccel_deps="videotoolbox"
2523 mpeg2_videotoolbox_hwaccel_select="mpeg2video_decoder"
2524 mpeg2_xvmc_hwaccel_deps="xvmc"
2525 mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"
2526 mpeg4_crystalhd_decoder_select="crystalhd"
2527 mpeg4_vaapi_hwaccel_deps="vaapi"
2528 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2529 mpeg4_vdpau_decoder_deps="vdpau"
2530 mpeg4_vdpau_decoder_select="mpeg4_decoder"
2531 mpeg4_vdpau_hwaccel_deps="vdpau"
2532 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2533 mpeg4_videotoolbox_hwaccel_deps="videotoolbox"
2534 mpeg4_videotoolbox_hwaccel_select="mpeg4_decoder"
2535 msmpeg4_crystalhd_decoder_select="crystalhd"
2536 vc1_crystalhd_decoder_select="crystalhd"
2537 vc1_d3d11va_hwaccel_deps="d3d11va"
2538 vc1_d3d11va_hwaccel_select="vc1_decoder"
2539 vc1_dxva2_hwaccel_deps="dxva2"
2540 vc1_dxva2_hwaccel_select="vc1_decoder"
2541 vc1_vaapi_hwaccel_deps="vaapi"
2542 vc1_vaapi_hwaccel_select="vc1_decoder"
2543 vc1_vdpau_decoder_deps="vdpau"
2544 vc1_vdpau_decoder_select="vc1_decoder"
2545 vc1_vdpau_hwaccel_deps="vdpau"
2546 vc1_vdpau_hwaccel_select="vc1_decoder"
2547 vc1_mmal_decoder_deps="mmal"
2548 vc1_mmal_hwaccel_deps="mmal"
2549 vc1_mmal_decoder_select="vc1_decoder"
2550 vc1_qsv_hwaccel_deps="libmfx"
2551 vc1_qsv_hwaccel_select="qsvdec_vc1"
2552 wmv3_crystalhd_decoder_select="crystalhd"
2553 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2554 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2555 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2556 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2557 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2560 h264_parser_select="h264_decoder"
2561 hevc_parser_select="golomb"
2562 mpegvideo_parser_select="mpegvideo"
2563 mpeg4video_parser_select="h263dsp mpegvideo qpeldsp"
2564 vc1_parser_select="mpegvideo startcode vc1_decoder"
2567 mjpeg2jpeg_bsf_select="jpegtables"
2569 # external libraries
2570 chromaprint_muxer_deps="chromaprint"
2571 libaacplus_encoder_deps="libaacplus"
2572 libcelt_decoder_deps="libcelt"
2573 libdcadec_decoder_deps="libdcadec"
2574 libfaac_encoder_deps="libfaac"
2575 libfaac_encoder_select="audio_frame_queue"
2576 libfdk_aac_decoder_deps="libfdk_aac"
2577 libfdk_aac_encoder_deps="libfdk_aac"
2578 libfdk_aac_encoder_select="audio_frame_queue"
2579 libgme_demuxer_deps="libgme"
2580 libgsm_decoder_deps="libgsm"
2581 libgsm_encoder_deps="libgsm"
2582 libgsm_ms_decoder_deps="libgsm"
2583 libgsm_ms_encoder_deps="libgsm"
2584 libilbc_decoder_deps="libilbc"
2585 libilbc_encoder_deps="libilbc"
2586 libkvazaar_encoder_deps="libkvazaar"
2587 libmodplug_demuxer_deps="libmodplug"
2588 libmp3lame_encoder_deps="libmp3lame"
2589 libmp3lame_encoder_select="audio_frame_queue"
2590 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2591 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2592 libopencore_amrnb_encoder_select="audio_frame_queue"
2593 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2594 libopenh264_encoder_deps="libopenh264"
2595 libopenjpeg_decoder_deps="libopenjpeg"
2596 libopenjpeg_encoder_deps="libopenjpeg"
2597 libopus_decoder_deps="libopus"
2598 libopus_encoder_deps="libopus"
2599 libopus_encoder_select="audio_frame_queue"
2600 libquvi_demuxer_deps="libquvi"
2601 libschroedinger_decoder_deps="libschroedinger"
2602 libschroedinger_encoder_deps="libschroedinger"
2603 libshine_encoder_deps="libshine"
2604 libshine_encoder_select="audio_frame_queue"
2605 libspeex_decoder_deps="libspeex"
2606 libspeex_encoder_deps="libspeex"
2607 libspeex_encoder_select="audio_frame_queue"
2608 libstagefright_h264_decoder_deps="libstagefright_h264"
2609 libtheora_encoder_deps="libtheora"
2610 libtwolame_encoder_deps="libtwolame"
2611 libvo_aacenc_encoder_deps="libvo_aacenc"
2612 libvo_aacenc_encoder_select="audio_frame_queue"
2613 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2614 libvorbis_decoder_deps="libvorbis"
2615 libvorbis_encoder_deps="libvorbis"
2616 libvorbis_encoder_select="audio_frame_queue"
2617 libvpx_vp8_decoder_deps="libvpx"
2618 libvpx_vp8_encoder_deps="libvpx"
2619 libvpx_vp9_decoder_deps="libvpx"
2620 libvpx_vp9_encoder_deps="libvpx"
2621 libwavpack_encoder_deps="libwavpack"
2622 libwebp_encoder_deps="libwebp"
2623 libwebp_anim_encoder_deps="libwebp"
2624 libx262_encoder_deps="libx262"
2625 libx264_encoder_deps="libx264"
2626 libx264rgb_encoder_deps="libx264"
2627 libx264rgb_encoder_select="libx264_encoder"
2628 libx265_encoder_deps="libx265"
2629 libxavs_encoder_deps="libxavs"
2630 libxvid_encoder_deps="libxvid"
2631 libutvideo_decoder_deps="libutvideo"
2632 libutvideo_encoder_deps="libutvideo"
2633 libzvbi_teletext_decoder_deps="libzvbi"
2634 nvenc_encoder_deps="nvenc"
2635 nvenc_h264_encoder_deps="nvenc"
2636 nvenc_hevc_encoder_deps="nvenc"
2639 ac3_demuxer_select="ac3_parser"
2640 asf_demuxer_select="riffdec"
2641 asf_o_demuxer_select="riffdec"
2642 asf_muxer_select="riffenc"
2643 asf_stream_muxer_select="asf_muxer"
2644 avi_demuxer_select="riffdec exif"
2645 avi_muxer_select="riffenc"
2646 avisynth_demuxer_deps="avisynth"
2647 avisynth_demuxer_select="riffdec"
2648 caf_demuxer_select="riffdec"
2649 dash_muxer_select="mp4_muxer"
2650 dirac_demuxer_select="dirac_parser"
2651 dts_demuxer_select="dca_parser"
2652 dtshd_demuxer_select="dca_parser"
2653 dv_demuxer_select="dvprofile"
2654 dv_muxer_select="dvprofile"
2655 dxa_demuxer_select="riffdec"
2656 eac3_demuxer_select="ac3_parser"
2657 f4v_muxer_select="mov_muxer"
2658 flac_demuxer_select="flac_parser"
2659 hds_muxer_select="flv_muxer"
2660 hls_muxer_select="mpegts_muxer"
2661 image2_alias_pix_demuxer_select="image2_demuxer"
2662 image2_brender_pix_demuxer_select="image2_demuxer"
2663 ipod_muxer_select="mov_muxer"
2664 ismv_muxer_select="mov_muxer"
2665 libnut_demuxer_deps="libnut"
2666 libnut_muxer_deps="libnut"
2667 matroska_audio_muxer_select="matroska_muxer"
2668 matroska_demuxer_select="riffdec"
2669 matroska_demuxer_suggest="bzlib lzo zlib"
2670 matroska_muxer_select="riffenc"
2671 mmf_muxer_select="riffenc"
2672 mov_demuxer_select="riffdec"
2673 mov_demuxer_suggest="zlib"
2674 mov_muxer_select="riffenc rtpenc_chain"
2675 mp3_demuxer_select="mpegaudio_parser"
2676 mp4_muxer_select="mov_muxer"
2677 mpegts_muxer_select="adts_muxer latm_muxer"
2678 mpegtsraw_demuxer_select="mpegts_demuxer"
2679 mxf_d10_muxer_select="mxf_muxer"
2680 mxf_opatom_muxer_select="mxf_muxer"
2681 nut_muxer_select="riffenc"
2682 nuv_demuxer_select="riffdec"
2683 oga_muxer_select="ogg_muxer"
2684 ogg_demuxer_select="golomb"
2685 opus_muxer_select="ogg_muxer"
2686 psp_muxer_select="mov_muxer"
2687 rtp_demuxer_select="sdp_demuxer"
2688 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol"
2689 rtsp_demuxer_select="http_protocol rtpdec"
2690 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2691 sap_demuxer_select="sdp_demuxer"
2692 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2693 sdp_demuxer_select="rtpdec"
2694 smoothstreaming_muxer_select="ismv_muxer"
2695 spdif_muxer_select="aac_parser"
2696 spx_muxer_select="ogg_muxer"
2697 tak_demuxer_select="tak_parser"
2698 tg2_muxer_select="mov_muxer"
2699 tgp_muxer_select="mov_muxer"
2700 vobsub_demuxer_select="mpegps_demuxer"
2701 w64_demuxer_select="wav_demuxer"
2702 w64_muxer_select="wav_muxer"
2703 wav_demuxer_select="riffdec"
2704 wav_muxer_select="riffenc"
2705 webm_muxer_select="riffenc"
2706 wtv_demuxer_select="riffdec"
2707 wtv_muxer_select="riffenc"
2708 xmv_demuxer_select="riffdec"
2709 xwma_demuxer_select="riffdec"
2712 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2713 alsa_outdev_deps="alsa_asoundlib_h"
2714 avfoundation_indev_extralibs="-framework CoreVideo -framework Foundation -framework AVFoundation -framework CoreMedia"
2715 avfoundation_indev_select="avfoundation"
2716 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2717 caca_outdev_deps="libcaca"
2718 decklink_outdev_deps="decklink pthreads"
2719 decklink_outdev_extralibs="-lstdc++"
2720 decklink_indev_deps="decklink pthreads"
2721 decklink_indev_extralibs="-lstdc++"
2722 dshow_indev_deps="IBaseFilter"
2723 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"
2724 dv1394_indev_deps="dv1394"
2725 dv1394_indev_select="dv_demuxer"
2726 fbdev_indev_deps="linux_fb_h"
2727 fbdev_outdev_deps="linux_fb_h"
2728 gdigrab_indev_deps="CreateDIBSection"
2729 gdigrab_indev_extralibs="-lgdi32"
2730 gdigrab_indev_select="bmp_decoder"
2731 iec61883_indev_deps="libiec61883"
2732 jack_indev_deps="jack_jack_h sem_timedwait"
2733 lavfi_indev_deps="avfilter"
2734 libcdio_indev_deps="libcdio"
2735 libdc1394_indev_deps="libdc1394"
2736 libv4l2_indev_deps="libv4l2"
2737 openal_indev_deps="openal"
2738 opengl_outdev_deps="opengl"
2739 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2740 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2741 pulse_indev_deps="libpulse"
2742 pulse_outdev_deps="libpulse"
2743 qtkit_indev_extralibs="-framework QTKit -framework Foundation -framework QuartzCore"
2744 qtkit_indev_select="qtkit"
2745 sdl_outdev_deps="sdl"
2746 sndio_indev_deps="sndio_h"
2747 sndio_outdev_deps="sndio_h"
2748 v4l_indev_deps="linux_videodev_h"
2749 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2750 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
2751 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2752 vfwcap_indev_extralibs="-lavicap32"
2753 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
2754 xv_outdev_extralibs="-lXv -lX11 -lXext"
2755 x11grab_indev_deps="x11grab"
2756 x11grab_xcb_indev_deps="libxcb"
2759 async_protocol_deps="threads"
2760 bluray_protocol_deps="libbluray"
2761 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2762 ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"
2763 ffrtmpcrypt_protocol_select="tcp_protocol"
2764 ffrtmphttp_protocol_deps="!librtmp_protocol"
2765 ffrtmphttp_protocol_select="http_protocol"
2766 ftp_protocol_select="tcp_protocol"
2767 gopher_protocol_select="network"
2768 http_protocol_select="tcp_protocol"
2769 httpproxy_protocol_select="tcp_protocol"
2770 https_protocol_select="tls_protocol"
2771 icecast_protocol_select="http_protocol"
2772 librtmp_protocol_deps="librtmp"
2773 librtmpe_protocol_deps="librtmp"
2774 librtmps_protocol_deps="librtmp"
2775 librtmpt_protocol_deps="librtmp"
2776 librtmpte_protocol_deps="librtmp"
2777 libsmbclient_protocol_deps="libsmbclient gplv3"
2778 libssh_protocol_deps="libssh"
2779 mmsh_protocol_select="http_protocol"
2780 mmst_protocol_select="network"
2781 rtmp_protocol_deps="!librtmp_protocol"
2782 rtmp_protocol_select="tcp_protocol"
2783 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2784 rtmps_protocol_deps="!librtmp_protocol"
2785 rtmps_protocol_select="tls_protocol"
2786 rtmpt_protocol_select="ffrtmphttp_protocol"
2787 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2788 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2789 rtp_protocol_select="udp_protocol"
2790 sctp_protocol_deps="struct_sctp_event_subscribe"
2791 sctp_protocol_select="network"
2792 srtp_protocol_select="rtp_protocol"
2793 tcp_protocol_select="network"
2794 tls_gnutls_protocol_deps="gnutls !tls_schannel_protocol !tls_securetransport_protocol"
2795 tls_gnutls_protocol_select="tcp_protocol"
2796 tls_openssl_protocol_deps="openssl !tls_schannel_protocol !tls_securetransport_protocol !tls_gnutls_protocol"
2797 tls_openssl_protocol_select="tcp_protocol"
2798 tls_schannel_protocol_deps="schannel"
2799 tls_schannel_protocol_select="tcp_protocol"
2800 tls_securetransport_protocol_deps="securetransport"
2801 tls_securetransport_protocol_select="tcp_protocol"
2802 tls_protocol_deps_any="tls_schannel_protocol tls_securetransport_protocol tls_gnutls_protocol tls_openssl_protocol"
2803 udp_protocol_select="network"
2804 udplite_protocol_select="network"
2805 unix_protocol_deps="sys_un_h"
2806 unix_protocol_select="network"
2809 aemphasis_filter_deps="cabs cexp"
2810 amovie_filter_deps="avcodec avformat"
2811 aresample_filter_deps="swresample"
2812 ass_filter_deps="libass"
2813 asyncts_filter_deps="avresample"
2814 atempo_filter_deps="avcodec"
2815 atempo_filter_select="rdft"
2816 azmq_filter_deps="libzmq"
2817 blackframe_filter_deps="gpl"
2818 boxblur_filter_deps="gpl"
2819 bs2b_filter_deps="libbs2b"
2820 colormatrix_filter_deps="gpl"
2821 cover_rect_filter_deps="avcodec avformat gpl"
2822 cropdetect_filter_deps="gpl"
2823 delogo_filter_deps="gpl"
2824 deshake_filter_select="pixelutils"
2825 drawtext_filter_deps="libfreetype"
2826 dynaudnorm_filter_deps="copysign erf"
2827 ebur128_filter_deps="gpl"
2828 eq_filter_deps="gpl"
2829 fftfilt_filter_deps="avcodec"
2830 fftfilt_filter_select="rdft"
2831 flite_filter_deps="libflite"
2832 find_rect_filter_deps="avcodec avformat gpl"
2833 frei0r_filter_deps="frei0r dlopen"
2834 frei0r_src_filter_deps="frei0r dlopen"
2835 fspp_filter_deps="gpl"
2836 geq_filter_deps="gpl"
2837 histeq_filter_deps="gpl"
2838 hqdn3d_filter_deps="gpl"
2839 interlace_filter_deps="gpl"
2840 kerndeint_filter_deps="gpl"
2841 ladspa_filter_deps="ladspa dlopen"
2842 mcdeint_filter_deps="avcodec gpl"
2843 movie_filter_deps="avcodec avformat"
2844 mpdecimate_filter_deps="gpl"
2845 mpdecimate_filter_select="pixelutils"
2846 mptestsrc_filter_deps="gpl"
2847 negate_filter_deps="lut_filter"
2848 perspective_filter_deps="gpl"
2849 pp7_filter_deps="gpl"
2850 ocr_filter_deps="libtesseract"
2851 ocv_filter_deps="libopencv"
2852 owdenoise_filter_deps="gpl"
2853 pan_filter_deps="swresample"
2854 phase_filter_deps="gpl"
2855 pp_filter_deps="gpl postproc"
2856 pullup_filter_deps="gpl"
2857 removelogo_filter_deps="avcodec avformat swscale"
2858 repeatfields_filter_deps="gpl"
2859 resample_filter_deps="avresample"
2860 rubberband_filter_deps="librubberband"
2861 sab_filter_deps="gpl swscale"
2862 scale_filter_deps="swscale"
2863 scale2ref_filter_deps="swscale"
2864 select_filter_select="pixelutils"
2865 smartblur_filter_deps="gpl swscale"
2866 showcqt_filter_deps="avcodec avformat swscale"
2867 showcqt_filter_select="fft"
2868 showfreqs_filter_deps="avcodec"
2869 showfreqs_filter_select="fft"
2870 showspectrum_filter_deps="avcodec"
2871 showspectrum_filter_select="rdft"
2872 spp_filter_deps="gpl avcodec"
2873 spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"
2874 stereo3d_filter_deps="gpl"
2875 subtitles_filter_deps="avformat avcodec libass"
2876 super2xsai_filter_deps="gpl"
2877 tinterlace_filter_deps="gpl"
2878 vidstabdetect_filter_deps="libvidstab"
2879 vidstabtransform_filter_deps="libvidstab"
2880 pixfmts_super2xsai_test_deps="super2xsai_filter"
2881 tinterlace_merge_test_deps="tinterlace_filter"
2882 tinterlace_pad_test_deps="tinterlace_filter"
2883 uspp_filter_deps="gpl avcodec"
2884 zmq_filter_deps="libzmq"
2885 zoompan_filter_deps="swscale"
2886 zscale_filter_deps="libzimg"
2889 avio_reading="avformat avcodec avutil"
2890 avio_dir_cmd="avformat avutil"
2891 avcodec_example_deps="avcodec avutil"
2892 decoding_encoding_example_deps="avcodec avformat avutil"
2893 demuxing_decoding_example_deps="avcodec avformat avutil"
2894 extract_mvs_example_deps="avcodec avformat avutil"
2895 filter_audio_example_deps="avfilter avutil"
2896 filtering_audio_example_deps="avfilter avcodec avformat avutil"
2897 filtering_video_example_deps="avfilter avcodec avformat avutil"
2898 metadata_example_deps="avformat avutil"
2899 muxing_example_deps="avcodec avformat avutil swscale"
2900 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder vaapi_x11"
2901 remuxing_example_deps="avcodec avformat avutil"
2902 resampling_audio_example_deps="avutil swresample"
2903 scaling_video_example_deps="avutil swscale"
2904 transcode_aac_example_deps="avcodec avformat swresample"
2905 transcoding_example_deps="avfilter avcodec avformat avutil"
2907 # libraries, in linking order
2908 avcodec_deps="avutil"
2909 avdevice_deps="avformat avcodec avutil"
2910 avfilter_deps="avutil"
2911 avformat_deps="avcodec avutil"
2912 avresample_deps="avutil"
2913 postproc_deps="avutil gpl"
2914 swresample_deps="avutil"
2915 swscale_deps="avutil"
2918 ffmpeg_deps="avcodec avfilter avformat swresample"
2919 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
2921 setpts_filter trim_filter"
2922 ffplay_deps="avcodec avformat swscale swresample sdl"
2923 ffplay_libs='$sdl_libs'
2924 ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"
2925 ffprobe_deps="avcodec avformat"
2926 ffserver_deps="avformat fork sarestart"
2927 ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
2930 podpages_deps="perl"
2931 manpages_deps="perl pod2man"
2932 htmlpages_deps="perl"
2933 htmlpages_deps_any="makeinfo_html texi2html"
2934 txtpages_deps="perl makeinfo"
2935 doc_deps_any="manpages htmlpages podpages txtpages"
2937 # default parameters
2939 logfile="config.log"
2941 # installation paths
2942 prefix_default="/usr/local"
2943 bindir_default='${prefix}/bin'
2944 datadir_default='${prefix}/share/ffmpeg'
2945 docdir_default='${prefix}/share/doc/ffmpeg'
2946 incdir_default='${prefix}/include'
2947 libdir_default='${prefix}/lib'
2948 mandir_default='${prefix}/share/man'
2954 host_cc_default="gcc"
2956 doxygen_default="doxygen"
2961 pkg_config_default=pkg-config
2962 ranlib_default="ranlib"
2963 strip_default="strip"
2964 yasmexe_default="yasm"
2965 windres_default="windres"
2968 target_os_default=$(tolower $(uname -s))
2969 host_os=$target_os_default
2972 if test "$target_os_default" = aix; then
2973 arch_default=$(uname -p)
2974 strip_default="strip -X32_64"
2976 arch_default=$(uname -m)
2981 # configurable options
2982 enable $PROGRAM_LIST
2983 enable $DOCUMENT_LIST
2984 enable $EXAMPLE_LIST
2985 enable $(filter_out avresample $LIBRARY_LIST)
2991 enable faan faandct faanidct
2992 enable optimizations
2993 enable runtime_cpudetect
2994 enable safe_bitstream_reader
2996 enable swscale_alpha
2997 enable valgrind_backtrace
2999 sws_max_filter_size_default=256
3000 set_default sws_max_filter_size
3002 # Enable hwaccels by default.
3003 enable d3d11va dxva2 vaapi vda vdpau videotoolbox xvmc
3007 SHFLAGS='-shared -Wl,-soname,$$(@F)'
3010 FULLNAME='$(NAME)$(BUILDSUF)'
3011 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
3014 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
3015 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
3016 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
3017 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
3018 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
3019 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
3041 host_cflags_filter=echo
3042 host_ldflags_filter=echo
3044 target_path='$(CURDIR)'
3046 # since the object filename is not given with the -MM flag, the compiler
3047 # is only able to print the basename, and we must add the path ourselves
3048 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>/dev/null | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(@F),$(@D)/$(@F)," > $(@:.o=.d)'
3052 if test -f configure; then
3055 source_path=$(cd $(dirname "$0"); pwd)
3056 case "$source_path" in
3057 *[[:blank:]]*) die "Out of tree builds are impossible with whitespace in source path." ;;
3059 test -e "$source_path/config.h" &&
3060 die "Out of tree builds are impossible with config.h in source dir."
3067 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
3073 file=$source_path/$3
3074 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
3077 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
3078 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
3079 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
3080 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
3081 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
3082 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
3083 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
3084 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
3085 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
3086 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
3087 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
3103 for n in $COMPONENT_LIST; do
3104 v=$(toupper ${n%s})_LIST
3106 eval ${n}_if_any="\$$v"
3109 enable $ARCH_EXT_LIST
3112 echo "Unknown option \"$1\"."
3113 echo "See $0 --help for available options."
3117 print_in_columns() {
3118 cols=$(expr $ncols / 24)
3119 cat | tr ' ' '\n' | sort | pr -r "-$cols" -w $ncols -t
3125 echo $* | sed s/$suffix//g | print_in_columns
3137 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
3138 echo "prob ${prob:-0.5}"
3146 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
3147 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
3156 --extra-ldexeflags=*)
3157 add_ldexeflags $optval
3159 --extra-ldlibflags=*)
3160 add_ldlibflags $optval
3163 add_extralibs $optval
3166 disable $INDEV_LIST $OUTDEV_LIST
3169 debuglevel="$optval"
3172 disable $PROGRAM_LIST
3174 --disable-everything)
3175 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3178 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3179 disable $LIBRARY_LIST $PROGRAM_LIST doc
3182 --enable-random|--disable-random)
3183 action=${opt%%-random}
3184 do_random ${action#--} $COMPONENT_LIST
3186 --enable-random=*|--disable-random=*)
3187 action=${opt%%-random=*}
3188 do_random ${action#--} $optval
3190 --enable-*=*|--disable-*=*)
3191 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
3192 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
3193 eval list=\$$(toupper $thing)_LIST
3194 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
3195 list=$(filter "$name" $list)
3196 [ "$list" = "" ] && warn "Option $opt did not match anything"
3199 --enable-?*|--disable-?*)
3200 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
3201 if is_in $option $COMPONENT_LIST; then
3202 test $action = disable && action=unset
3203 eval $action \$$(toupper ${option%s})_LIST
3204 elif is_in $option $CMDLINE_SELECT; then
3211 NAME="${opt#--list-}"
3212 is_in $NAME $COMPONENT_LIST || die_unknown $opt
3214 eval show_list $NAME \$$(toupper $NAME)_LIST
3216 --help|-h) show_help
3218 --fatal-warnings) enable fatal_warnings
3221 optname="${opt%%=*}"
3222 optname="${optname#--}"
3223 optname=$(echo "$optname" | sed 's/-/_/g')
3224 if is_in $optname $CMDLINE_SET; then
3225 eval $optname='$optval'
3226 elif is_in $optname $CMDLINE_APPEND; then
3227 append $optname "$optval"
3239 disabled logging && logfile=/dev/null
3241 # Disable all the library-specific components if the library itself
3242 # is disabled, see AVCODEC_LIST and following _LIST variables.
3244 disable_components(){
3245 disabled ${1} && disable $(
3246 eval components="\$$(toupper ${1})_COMPONENTS"
3247 map 'eval echo \${$(toupper ${v%s})_LIST}' $components
3251 map 'disable_components $v' $LIBRARY_LIST
3253 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
3256 test -n "$valgrind" && toolchain="valgrind-memcheck"
3258 case "$toolchain" in
3261 add_cflags -fsanitize=address
3262 add_ldflags -fsanitize=address
3266 add_cflags -fsanitize=thread -pie
3267 add_ldflags -fsanitize=thread -pie
3271 add_cflags -fsanitize=undefined
3272 add_ldflags -fsanitize=undefined
3276 add_cflags -fsanitize=address
3277 add_ldflags -fsanitize=address
3281 add_cflags -fsanitize=thread -pie -fPIC
3282 add_ldflags -fsanitize=thread -pie -fPIC
3286 add_cflags -fsanitize=undefined
3287 add_ldflags -fsanitize=undefined
3290 target_exec_default=${valgrind:-"valgrind"}
3291 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"
3294 target_exec_default=${valgrind:-"valgrind"}
3295 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
3298 # Check whether the current MSVC version needs the C99 converter.
3299 # From MSVC 2013 (compiler major version 18) onwards, it does actually
3300 # support enough of C99 to build ffmpeg. Default to the new
3301 # behaviour if the regexp was unable to match anything, since this
3302 # successfully parses the version number of existing supported
3303 # versions that require the converter (MSVC 2010 and 2012).
3304 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
3305 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
3308 cc_default="c99wrap cl"
3310 ld_default="$source_path/compat/windows/mslink"
3311 nm_default="dumpbin -symbols"
3318 target_os_default="win32"
3319 # Use a relative path for TMPDIR. This makes sure all the
3320 # ffconf temp files are written with a relative path, avoiding
3321 # issues with msys/win32 path conversion for MSVC parameters
3322 # such as -Fo<file> or -out:<file>.
3328 nm_default="dumpbin -symbols"
3330 target_os_default="win32"
3334 add_cflags -fprofile-arcs -ftest-coverage
3335 add_ldflags -fprofile-arcs -ftest-coverage
3338 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
3339 add_cflags -fno-strict-overflow -fstack-protector-all
3340 add_ldflags -Wl,-z,relro -Wl,-z,now
3343 die "Unknown toolchain $toolchain"
3347 test -n "$cross_prefix" && enable cross_compile
3349 if enabled cross_compile; then
3350 test -n "$arch" && test -n "$target_os" ||
3351 die "Must specify target arch and OS when cross-compiling"
3354 ar_default="${cross_prefix}${ar_default}"
3355 cc_default="${cross_prefix}${cc_default}"
3356 cxx_default="${cross_prefix}${cxx_default}"
3357 nm_default="${cross_prefix}${nm_default}"
3358 pkg_config_default="${cross_prefix}${pkg_config_default}"
3359 if ${cross_prefix}${ranlib_default} 2>&1 | grep -q "\-D "; then
3360 ranlib_default="${cross_prefix}${ranlib_default} -D"
3362 ranlib_default="${cross_prefix}${ranlib_default}"
3364 strip_default="${cross_prefix}${strip_default}"
3365 windres_default="${cross_prefix}${windres_default}"
3367 sysinclude_default="${sysroot}/usr/include"
3369 set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \
3370 target_exec target_os yasmexe
3371 enabled cross_compile || host_cc_default=$cc
3374 pkg_config_fail_message=""
3375 if ! $pkg_config --version >/dev/null 2>&1; then
3376 warn "$pkg_config not found, library detection may fail."
3378 elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then
3379 pkg_config_fail_message="
3380 Note: When building a static binary, add --pkg-config-flags=\"--static\"."
3383 if test $doxygen != $doxygen_default && \
3384 ! $doxygen --version >/dev/null 2>&1; then
3385 warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."
3390 mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
3394 EXESUF=$(exesuf $target_os)
3395 HOSTEXESUF=$(exesuf $host_os)
3397 # set temporary file name
3398 : ${TMPDIR:=$TEMPDIR}
3402 if [ -n "$tempprefix" ] ; then
3404 echo $tempprefix.${HOSTNAME}.${UID}
3406 elif ! check_cmd mktemp -u XXXXXX; then
3407 # simple replacement for missing mktemp
3408 # NOT SAFE FOR GENERAL USE
3410 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
3415 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
3416 (set -C; exec > $tmp) 2>/dev/null ||
3417 die "Unable to create temporary file in $TMPDIR."
3418 append TMPFILES $tmp
3422 trap 'rm -f -- $TMPFILES' EXIT
3427 tmpfile TMPE $EXESUF
3439 # make sure we can execute files in $TMPDIR
3440 cat > $TMPSH 2>> $logfile <<EOF
3443 chmod +x $TMPSH >> $logfile 2>&1
3444 if ! $TMPSH >> $logfile 2>&1; then
3446 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
3447 variable to another directory and make sure that it is not mounted noexec.
3449 die "Sanity test failed."
3455 # Filter out MSVC cl.exe options from cflags that shouldn't
3456 # be passed to gas-preprocessor
3466 -std=c99) echo -c99 ;;
3467 -mcpu=*) echo -arch ${flag#*=} ;;
3468 -mieee) echo -ieee ;;
3469 -O*|-fast) echo $flag ;;
3470 -fno-math-errno) echo -assume nomath_errno ;;
3472 -Wall) echo -msg_enable level2 ;;
3473 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
3474 -Wl,*) echo $flag ;;
3484 -Wno-switch) echo -Wno-switch-enum ;;
3485 -Wno-format-zero-length) ;;
3486 -Wdisabled-optimization) ;;
3487 -Wno-pointer-sign) echo -Wno-other ;;
3493 msvc_common_flags(){
3496 # In addition to specifying certain flags under the compiler
3497 # specific filters, they must be specified here as well or else the
3498 # generic catch all at the bottom will print the original flag.
3502 -fomit-frame-pointer) ;;
3506 -fno-signed-zeros) ;;
3510 -lz) echo zlib.lib ;;
3511 -lavifil32) echo vfw32.lib ;;
3512 -lavicap32) echo vfw32.lib user32.lib ;;
3513 -l*) echo ${flag#-l}.lib ;;
3514 -LARGEADDRESSAWARE) echo $flag ;;
3515 -L*) echo -libpath:${flag#-L} ;;
3522 msvc_common_flags "$@"
3525 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
3526 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
3527 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
3529 -wd4273 -wd4554 -wd4701 ;;
3535 msvc_common_flags "$@"
3538 # Despite what Intel's documentation says -Wall, which is supported
3539 # on Windows, does enable remarks so disable them here.
3540 -Wall) echo $flag -Qdiag-disable:remark ;;
3541 -std=c99) echo -Qstd=c99 ;;
3559 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
3560 -fomit-frame-pointer) echo -Mnoframe ;;
3571 case "${flag#*=}" in
3572 native) echo -xtarget=native ;;
3573 v9|niagara) echo -xarch=sparc ;;
3574 ultrasparc) echo -xarch=sparcvis ;;
3575 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
3576 i586|pentium) echo -xchip=pentium ;;
3577 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
3578 pentium3*|c3-2) echo -xtarget=pentium3 ;;
3579 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
3580 pentium4*) echo -xtarget=pentium4 ;;
3581 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
3582 *-sse3) echo -xarch=sse3 ;;
3583 core2) echo -xarch=ssse3 -xchip=core2 ;;
3584 bonnell) echo -xarch=ssse3 ;;
3585 corei7|nehalem) echo -xtarget=nehalem ;;
3586 westmere) echo -xtarget=westmere ;;
3587 silvermont) echo -xarch=sse4_2 ;;
3588 corei7-avx|sandybridge) echo -xtarget=sandybridge ;;
3589 core-avx*|ivybridge|haswell|broadwell)
3591 amdfam10|barcelona) echo -xtarget=barcelona ;;
3592 btver1) echo -xarch=amdsse4a ;;
3593 btver2|bdver*) echo -xarch=avx ;;
3594 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
3595 k8|opteron|athlon64|athlon-fx)
3596 echo -xarch=sse2a ;;
3597 athlon*) echo -xarch=pentium_proa ;;
3600 -std=c99) echo -xc99 ;;
3601 -fomit-frame-pointer) echo -xregs=frameptr ;;
3602 -fPIC) echo -KPIC -xcode=pic32 ;;
3603 -W*,*) echo $flag ;;
3604 -f*-*|-W*|-mimpure-text) ;;
3615 case "${flag#*=}" in
3616 armv7-a|cortex-a*) echo -mv=7a8 ;;
3617 armv7-r|cortex-r*) echo -mv=7r4 ;;
3618 armv7-m|cortex-m*) echo -mv=7m3 ;;
3619 armv6*|arm11*) echo -mv=6 ;;
3620 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
3622 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
3625 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
3626 -mfpu=vfp) echo --float_support=vfpv2 ;;
3627 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
3628 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
3629 -msoft-float) echo --float_support=vfplib ;;
3630 -O[0-3]|-mf=*) echo $flag ;;
3632 -pds=*) echo $flag ;;
3633 -D*|-I*) echo $flag ;;
3634 --gcc|--abi=*) echo $flag ;;
3645 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
3646 unset _ld_o _ldflags _ld_lib _ld_path
3647 unset _depflags _DEPCMD _DEPFLAGS
3650 if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
3651 true # no-op to avoid reading stdin in following checks
3652 elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
3654 gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')
3655 _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"
3656 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3659 elif $_cc -v 2>&1 | grep -qi ^gcc; then
3661 gcc_version=$($_cc --version | head -n1)
3662 gcc_basever=$($_cc -dumpversion)
3663 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
3664 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
3665 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
3666 case $gcc_basever in
3668 *) _depflags='-MMD -MF $(@:.o=.d) -MT $@' ;;
3670 if [ "$first" = true ]; then
3671 case $gcc_basever in
3673 warn "gcc 4.2 is outdated and may miscompile FFmpeg. Please use a newer compiler." ;;
3678 elif $_cc --version 2>/dev/null | grep -q ^icc; then
3680 _ident=$($_cc --version | head -n1)
3685 _flags_filter=icc_flags
3686 elif $_cc -v 2>&1 | grep -q xlc; then
3688 _ident=$($_cc -qversion 2>/dev/null | head -n1)
3690 _cflags_size='-O5 -qcompact'
3691 elif $_cc -V 2>/dev/null | grep -q Compaq; then
3693 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
3695 _cflags_speed='-fast'
3697 _flags_filter=ccc_flags
3698 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
3699 test -d "$sysroot" || die "No valid sysroot specified."
3701 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
3702 armcc_conf="$PWD/armcc.conf"
3703 $_cc --arm_linux_configure \
3704 --arm_linux_config_file="$armcc_conf" \
3705 --configure_sysroot="$sysroot" \
3706 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
3707 die "Error creating armcc configuration file."
3708 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
3709 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
3710 as_default="${cross_prefix}gcc"
3714 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
3716 _ident=$($_cc -version | head -n1 | tr -s ' ')
3717 _flags='--gcc --abi=eabi -me'
3720 _depflags='-ppa -ppd=$(@:.o=.d)'
3721 _cflags_speed='-O3 -mf=5'
3722 _cflags_size='-O3 -mf=2'
3723 _flags_filter=tms470_flags
3724 elif $_cc -v 2>&1 | grep -q clang; then
3726 _ident=$($_cc --version 2>/dev/null | head -n1)
3727 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3730 elif $_cc -V 2>&1 | grep -q Sun; then
3732 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
3733 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3734 _DEPFLAGS='-xM1 -xc99'
3737 _cflags_size='-O5 -xspace'
3738 _flags_filter=suncc_flags
3739 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
3741 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3742 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3745 _flags_filter='filter_out -Wdisabled-optimization'
3746 elif $_cc -v 2>&1 | grep -q Open64; then
3748 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3749 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3752 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3753 elif $_cc -V 2>&1 | grep -q Portland; then
3755 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3756 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3757 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3758 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3760 _flags_filter=pgi_flags
3761 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
3763 _ident=$($_cc | head -n1)
3764 # 4509: "This form of conditional instruction is deprecated"
3765 _flags="-nologo -ignore 4509"
3766 _flags_filter=armasm_flags
3767 elif $_cc 2>&1 | grep -q Intel; then
3769 _ident=$($_cc 2>&1 | head -n1)
3770 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3771 # Not only is O3 broken on 13.x+ but it is slower on all previous
3772 # versions (tested) as well.
3774 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3775 if $_cc 2>&1 | grep -q Linker; then
3782 _flags_filter=icl_flags
3784 _ld_path='-libpath:'
3785 # -Qdiag-error to make icl error when seeing certain unknown arguments
3786 _flags='-nologo -Qdiag-error:4044,10157'
3787 # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency
3788 # with MSVC which enables it by default.
3789 _cflags='-D_USE_MATH_DEFINES -Qms0 -Qvec- -Qsimd- -GS -fp:precise'
3791 elif $_cc -nologo- 2>&1 | grep -q Microsoft; then
3793 _ident=$($_cc 2>&1 | head -n1)
3794 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3795 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3798 if $_cc -nologo- 2>&1 | grep -q Linker; then
3805 _flags_filter=msvc_flags
3807 _ld_path='-libpath:'
3809 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS'
3811 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3813 _ident=$($_cc --version | head -n1)
3817 _flags_filter=cparser_flags
3820 eval ${pfx}_type=\$_type
3821 eval ${pfx}_ident=\$_ident
3825 eval ${1}_C=\${_cc_c-\${${1}_C}}
3826 eval ${1}_E=\${_cc_e-\${${1}_E}}
3827 eval ${1}_O=\${_cc_o-\${${1}_O}}
3829 if [ -n "$_depflags" ]; then
3830 eval ${1}_DEPFLAGS=\$_depflags
3832 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3833 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3834 eval DEP${1}FLAGS=\$_flags
3838 probe_cc cc "$cc" "true"
3839 cflags_filter=$_flags_filter
3840 cflags_speed=$_cflags_speed
3841 cflags_size=$_cflags_size
3842 cflags_noopt=$_cflags_noopt
3843 add_cflags $_flags $_cflags
3844 cc_ldflags=$_ldflags
3847 probe_cc hostcc "$host_cc"
3848 host_cflags_filter=$_flags_filter
3849 add_host_cflags $_flags $_cflags
3852 test -n "$cc_type" && enable $cc_type ||
3853 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3855 : ${as_default:=$cc}
3856 : ${dep_cc_default:=$cc}
3857 : ${ld_default:=$cc}
3858 : ${host_ld_default:=$host_cc}
3859 set_default ar as dep_cc ld host_ld windres
3862 asflags_filter=$_flags_filter
3863 add_asflags $_flags $_cflags
3867 ldflags_filter=$_flags_filter
3868 add_ldflags $_flags $_ldflags
3869 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3871 LD_LIB=${_ld_lib-$LD_LIB}
3872 LD_PATH=${_ld_path-$LD_PATH}
3874 probe_cc hostld "$host_ld"
3875 host_ldflags_filter=$_flags_filter
3876 add_host_ldflags $_flags $_ldflags
3877 HOSTLD_O=${_ld_o-$HOSTLD_O}
3879 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3880 probe_cc depcc "$dep_cc"
3881 CCDEP=${_DEPCMD:-$DEPCMD}
3882 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3886 if $ar 2>&1 | grep -q Microsoft; then
3889 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3892 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3893 arflags='-Xany -r -c'
3895 elif $ar 2>&1 | grep -q "\[D\] "; then
3903 add_cflags $extra_cflags
3904 add_cxxflags $extra_cxxflags
3905 add_asflags $extra_cflags
3907 if test -n "$sysroot"; then
3910 add_cppflags --sysroot="$sysroot"
3911 add_ldflags --sysroot="$sysroot"
3912 # On Darwin --sysroot may be ignored, -isysroot always affects headers and linking
3913 add_cppflags -isysroot "$sysroot"
3914 add_ldflags -isysroot "$sysroot"
3917 add_cppflags -I"$sysinclude"
3918 add_ldflags --sysroot="$sysroot"
3923 if test "$cpu" = host; then
3924 enabled cross_compile &&
3925 die "--cpu=host makes no sense when cross-compiling."
3930 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3932 s/.*$1=\\([^ ]*\\).*/\\1/
3937 cpu=$(check_native -march || check_native -mcpu)
3941 test "${cpu:-host}" = host &&
3942 die "--cpu=host not supported with compiler $cc"
3945 # Deal with common $arch aliases
3959 "Power Macintosh"|ppc*|powerpc*)
3974 i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
3979 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3982 # Add processor-specific flags
3983 if enabled aarch64; then
3987 cpuflags="-march=$cpu"
3990 cpuflags="-mcpu=$cpu"
3994 elif enabled alpha; then
3996 cpuflags="-mcpu=$cpu"
3998 elif enabled arm; then
4001 check_cpp_condition stddef.h \
4002 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
4007 if check_arm_arch 4; then echo armv4;
4008 elif check_arm_arch 4T; then echo armv4t;
4009 elif check_arm_arch 5; then echo armv5;
4010 elif check_arm_arch 5E; then echo armv5e;
4011 elif check_arm_arch 5T; then echo armv5t;
4012 elif check_arm_arch 5TE; then echo armv5te;
4013 elif check_arm_arch 5TEJ; then echo armv5te;
4014 elif check_arm_arch 6; then echo armv6;
4015 elif check_arm_arch 6J; then echo armv6j;
4016 elif check_arm_arch 6K; then echo armv6k;
4017 elif check_arm_arch 6Z; then echo armv6z;
4018 elif check_arm_arch 6ZK; then echo armv6zk;
4019 elif check_arm_arch 6T2; then echo armv6t2;
4020 elif check_arm_arch 7; then echo armv7;
4021 elif check_arm_arch 7A 7_A; then echo armv7-a;
4022 elif check_arm_arch 7S; then echo armv7-a;
4023 elif check_arm_arch 7R 7_R; then echo armv7-r;
4024 elif check_arm_arch 7M 7_M; then echo armv7-m;
4025 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
4026 elif check_arm_arch 8A 8_A; then echo armv8-a;
4030 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
4034 cpuflags="-march=$cpu"
4035 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
4038 cpuflags="-mcpu=$cpu"
4040 cortex-a*) subarch=armv7a ;;
4041 cortex-r*) subarch=armv7r ;;
4042 cortex-m*) enable thumb; subarch=armv7m ;;
4043 arm11*) subarch=armv6 ;;
4044 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
4045 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
4046 *) subarch=$(probe_arm_arch) ;;
4052 armv5t*) enable fast_clz ;;
4055 disabled fast_unaligned || enable fast_unaligned
4059 elif enabled avr32; then
4064 cpuflags="-mpart=$cpu"
4068 cpuflags="-march=$cpu"
4072 cpuflags="-mcpu=$cpu"
4076 cpuflags="-march=$cpu"
4080 elif enabled bfin; then
4082 cpuflags="-mcpu=$cpu"
4084 elif enabled mips; then
4086 cpuflags="-march=$cpu"
4111 24kef*|34kf*|1004kf*)
4133 check_cflags "-mtune=p5600"
4141 check_cflags "-mtune=i6400 -mabi=64"
4142 check_ldflags "-mabi=64"
4152 enable local_aligned_8 local_aligned_16 local_aligned_32
4153 enable simd_align_16
4157 enable fast_unaligned
4158 disable aligned_stack
4161 cpuflags="-march=loongson3a -mhard-float -fno-expensive-optimizations"
4164 cpuflags="-march=loongson2e -mhard-float -fno-expensive-optimizations"
4167 cpuflags="-march=loongson2f -mhard-float -fno-expensive-optimizations"
4187 elif enabled ppc; then
4191 case $(tolower $cpu) in
4192 601|ppc601|powerpc601)
4193 cpuflags="-mcpu=601"
4196 603*|ppc603*|powerpc603*)
4197 cpuflags="-mcpu=603"
4200 604*|ppc604*|powerpc604*)
4201 cpuflags="-mcpu=604"
4204 g3|75*|ppc75*|powerpc75*)
4205 cpuflags="-mcpu=750"
4208 g4|745*|ppc745*|powerpc745*)
4209 cpuflags="-mcpu=7450"
4212 74*|ppc74*|powerpc74*)
4213 cpuflags="-mcpu=7400"
4216 g5|970|ppc970|powerpc970)
4217 cpuflags="-mcpu=970"
4221 cpuflags="-mcpu=$cpu"
4225 cpuflags="-mcpu=$cpu"
4228 cpuflags="-mcpu=cell"
4233 cpuflags="-mcpu=e500mc"
4237 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
4242 cpuflags="-mcpu=8540 -mhard-float"
4248 elif enabled sparc; then
4251 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
4252 cpuflags="-mcpu=$cpu"
4254 ultrasparc*|niagara[234])
4255 cpuflags="-mcpu=$cpu"
4259 elif enabled x86; then
4263 cpuflags="-march=$cpu"
4267 # targets that do NOT support nopl and conditional mov (cmov)
4268 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
4269 cpuflags="-march=$cpu"
4272 # targets that do support nopl and conditional mov (cmov)
4273 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\
4274 |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|amdfam10|barcelona|b[dt]ver*)
4275 cpuflags="-march=$cpu"
4279 # targets that do support conditional mov but on which it's slow
4280 pentium4|pentium4m|prescott|nocona)
4281 cpuflags="-march=$cpu"
4289 if [ "$cpu" != generic ]; then
4290 add_cflags $cpuflags
4291 add_asflags $cpuflags
4292 test "$cc_type" = "$ld_type" && add_ldflags $cpuflags
4295 # compiler sanity check
4297 int main(void){ return 0; }
4299 if test "$?" != 0; then
4300 echo "$cc is unable to create an executable file."
4301 if test -z "$cross_prefix" && ! enabled cross_compile ; then
4302 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
4303 echo "Only do this if you know what cross compiling means."
4305 die "C compiler test failed."
4308 add_cppflags -D_ISOC99_SOURCE
4309 add_cxxflags -D__STDC_CONSTANT_MACROS
4310 check_cflags -std=c99
4311 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
4314 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
4318 add_host_cppflags -D_ISOC99_SOURCE
4319 check_host_cflags -std=c99
4320 check_host_cflags -Wall
4321 check_host_cflags -O3
4327 check_code cc "" "int test[2*($expr) - 1]" &&
4328 subarch=$arch64 || subarch=$arch32
4336 check_64bit mips mips64 '_MIPS_SIM > 1'
4340 check_64bit parisc parisc64 'sizeof(void *) > 4'
4344 check_64bit ppc ppc64 'sizeof(void *) > 4'
4348 check_64bit s390 s390x 'sizeof(void *) > 4'
4352 check_64bit sparc sparc64 'sizeof(void *) > 4'
4356 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
4357 # Treat x32 as x64 for now. Note it also needs spic=$shared
4358 test "$subarch" = "x86_32" && check_cpp_condition stddef.h 'defined(__x86_64__)' &&
4360 if test "$subarch" = "x86_64"; then
4365 check_cc <<EOF && subarch="ppc64"
4366 int test[(int)sizeof(char*) - 7];
4372 enabled spic && enable_weak pic
4378 add_cppflags '-I\$(SRC_PATH)/compat/aix'
4379 enabled shared && add_ldflags -Wl,-brtl
4383 enable section_data_rel_ro
4384 SLIB_INSTALL_NAME='$(SLIBNAME)'
4386 SHFLAGS='-shared -Wl,-soname,$(SLIBNAME)'
4389 prefix_default="/boot/common"
4390 network_extralibs="-lnetwork"
4394 SHFLAGS='-shared -Wl,-h,$$(@F)'
4395 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
4396 network_extralibs="-lsocket -lnsl"
4397 add_cppflags -D__EXTENSIONS__
4398 # When using suncc to build, the Solaris linker will mark
4399 # an executable with each instruction set encountered by
4400 # the Solaris assembler. As our libraries contain their own
4401 # guards for processor-specific code, instead suppress
4402 # generation of the HWCAPS ELF section on Solaris x86 only.
4403 enabled_all suncc x86 &&
4404 echo "hwcap_1 = OVERRIDE;" > mapfile &&
4405 add_ldflags -Wl,-M,mapfile
4406 nm_default='nm -P -g'
4407 SLIB_CREATE_DEF_CMD='$(Q)perl $(SRC_PATH)/compat/solaris/make_sunver.pl $$(filter %.ver,$$^) $(OBJS) | grep -v @ > $(SUBDIR)lib$(NAME).ver-sol2'
4411 oss_indev_extralibs="-lossaudio"
4412 oss_outdev_extralibs="-lossaudio"
4413 enabled gcc || check_ldflags -Wl,-zmuldefs
4418 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
4420 oss_indev_extralibs="-lossaudio"
4421 oss_outdev_extralibs="-lossaudio"
4429 add_extralibs -lpoll -lgnugetopt
4433 enabled ppc && add_asflags -force_cpusubtype_ALL
4434 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
4435 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
4437 add_ldflags -Wl,-dynamic,-search_paths_first
4439 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
4440 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
4442 enabled x86_64 && objformat="macho64"
4443 enabled_any pic shared x86_64 ||
4444 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
4447 die "Native MSYS builds are discouraged, please use the MINGW environment.";
4450 if test $target_os = "mingw32ce"; then
4455 decklink_outdev_extralibs="$decklink_outdev_extralibs -lole32 -loleaut32"
4456 decklink_indev_extralibs="$decklink_indev_extralibs -lole32 -loleaut32"
4458 if enabled x86_64; then
4459 LIBTARGET="i386:x86-64"
4460 elif enabled arm; then
4463 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
4464 enabled x86_32 && check_ldflags -Wl,--large-address-aware
4465 shlibdir_default="$bindir_default"
4468 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4469 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4470 dlltool="${cross_prefix}dlltool"
4471 if check_cmd lib.exe -list; then
4472 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4473 if enabled x86_64; then
4476 elif check_cmd $dlltool --version; then
4477 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
4479 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4481 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4482 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4483 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--disable-auto-image-base'
4487 check_ldflags -Wl,--nxcompat,--dynamicbase
4488 # Lets work around some stupidity in binutils.
4489 # ld will strip relocations from executables even though we need them
4490 # for dynamicbase (ASLR). Using -pie does retain the reloc section
4491 # however ld then forgets what the entry point should be (oops) so we
4492 # have to manually (re)set it.
4493 if enabled x86_32; then
4494 add_ldexeflags -Wl,--pic-executable,-e,_mainCRTStartup
4495 elif enabled x86_64; then
4496 add_ldexeflags -Wl,--pic-executable,-e,mainCRTStartup
4497 check_ldflags -Wl,--high-entropy-va # binutils 2.25
4498 # Set image base >4GB for extra entropy with HEASLR
4499 add_ldexeflags -Wl,--image-base,0x140000000
4500 append SHFLAGS -Wl,--image-base,0x180000000
4505 if enabled shared; then
4506 # Link to the import library instead of the normal static library
4509 # Cannot build both shared and static libs with MSVC or icl.
4512 enabled x86_32 && check_ldflags -LARGEADDRESSAWARE
4513 shlibdir_default="$bindir_default"
4516 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4517 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4518 SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
4519 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4521 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4522 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4523 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4530 shlibdir_default="$bindir_default"
4533 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4534 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4535 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4537 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
4538 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
4541 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
4543 *-dos|freedos|opendos)
4544 network_extralibs="-lsocket"
4547 add_cppflags -U__STRICT_ANSI__
4551 enable section_data_rel_ro
4555 ranlib="echo ignoring ranlib"
4561 add_cppflags -D_GNU_SOURCE
4562 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
4563 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
4567 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
4568 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
4569 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
4570 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
4571 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
4572 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
4573 emxexp $(OBJS) >> $(SUBDIR)$(NAME).def'
4574 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
4575 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
4576 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
4578 enable_weak os2threads
4581 add_cppflags -D_BSD_SOURCE
4586 add_cppflags -D_QNX_SOURCE
4587 network_extralibs="-lsocket"
4592 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
4593 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
4594 add_ldflags -Wl,--target1-abs,--no-undefined \
4595 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
4596 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
4597 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
4598 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
4599 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
4602 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
4607 add_cppflags -D_C99_SNPRINTF_EXTENSION \
4608 -D_REENTRANT_SOURCE \
4609 -D_RESEARCH_SOURCE \
4612 add_compat strtod.o strtod=avpriv_strtod
4613 network_extralibs='-lbsd'
4614 exeobjs=compat/plan9/main.o
4621 die "Unknown OS '$target_os'."
4625 # determine libc flavour
4630 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
4631 if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
4632 eval ${pfx}libc_type=uclibc
4633 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4634 elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then
4635 eval ${pfx}libc_type=glibc
4636 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4637 # MinGW headers can be installed on Cygwin, so check for newlib first.
4638 elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
4639 eval ${pfx}libc_type=newlib
4640 add_${pfx}cppflags -U__STRICT_ANSI__
4641 # MinGW64 is backwards compatible with MinGW32, so check for it first.
4642 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
4643 eval ${pfx}libc_type=mingw64
4644 if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then
4645 add_compat msvcrt/snprintf.o
4646 add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
4648 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4649 eval test \$${pfx_no_}cc_type = "gcc" &&
4650 add_${pfx}cppflags -D__printf__=__gnu_printf__
4651 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" ||
4652 check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
4653 eval ${pfx}libc_type=mingw32
4654 check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
4655 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
4656 die "ERROR: MinGW32 runtime version must be >= 3.15."
4657 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4658 eval test \$${pfx_no_}cc_type = "gcc" &&
4659 add_${pfx}cppflags -D__printf__=__gnu_printf__
4660 elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
4661 eval ${pfx}libc_type=msvcrt
4662 if check_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then
4663 if [ "$pfx" = host_ ]; then
4664 add_host_cppflags -Dsnprintf=_snprintf
4666 add_compat strtod.o strtod=avpriv_strtod
4667 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
4668 _snprintf=avpriv_snprintf \
4669 vsnprintf=avpriv_vsnprintf
4672 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
4673 # 0x601 by default unless something else is set by the user.
4674 # This can easily lead to us detecting functions only present
4675 # in such new versions and producing binaries requiring windows 7.0.
4676 # Therefore explicitly set the default to XP unless the user has
4677 # set something else on the command line.
4678 # Don't do this if WINAPI_FAMILY is set and is set to a non-desktop
4679 # family. For these cases, configure is free to use any functions
4680 # found in the SDK headers by default. (Alternatively, we could force
4681 # _WIN32_WINNT to 0x0602 in that case.)
4682 check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||
4683 { check_${pfx}cpp <<EOF && add_${pfx}cppflags -D_WIN32_WINNT=0x0502; }
4684 #ifdef WINAPI_FAMILY
4685 #include <winapifamily.h>
4686 #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
4691 elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
4692 eval ${pfx}libc_type=klibc
4693 elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then
4694 eval ${pfx}libc_type=bionic
4695 elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then
4696 eval ${pfx}libc_type=solaris
4697 add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
4699 check_${pfx}cc <<EOF
4701 void *v = localtime_r;
4703 test "$?" != 0 && check_${pfx}cc -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 <<EOF && add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4705 void *v = localtime_r;
4711 test -n "$libc_type" && enable libc_$libc_type
4713 test -n "$host_libc_type" && enable host_libc_$host_libc_type
4717 add_compat strtod.o strtod=avpriv_strtod
4721 # hacks for compiler/libc/os combinations
4723 if enabled_all tms470 libc_glibc; then
4724 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
4725 add_cppflags -D__USER_LABEL_PREFIX__=
4726 add_cppflags -D__builtin_memset=memset
4727 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
4728 add_cflags -pds=48 # incompatible redefinition of macro
4731 if enabled_all ccc libc_glibc; then
4732 add_ldflags -Wl,-z,now # calls to libots crash without this
4735 check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||
4736 add_cppflags '-I\$(SRC_PATH)/compat/float'
4739 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
4742 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
4744 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
4747 : ${shlibdir_default:="$libdir"}
4748 : ${pkgconfigdir_default:="$libdir/pkgconfig"}
4750 set_default $PATHS_LIST
4753 # we need to build at least one lib type
4754 if ! enabled_any static shared; then
4756 At least one library type must be built.
4757 Specify --enable-static to build the static libraries or --enable-shared to
4758 build the shared libraries as well. To only build the shared libraries specify
4759 --disable-static in addition to --enable-shared.
4764 die_license_disabled() {
4765 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
4768 die_license_disabled_gpl() {
4769 enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }
4772 die_license_disabled gpl frei0r
4773 die_license_disabled gpl libcdio
4774 die_license_disabled gpl librubberband
4775 die_license_disabled gpl libsmbclient
4776 die_license_disabled gpl libutvideo
4777 die_license_disabled gpl libvidstab
4778 die_license_disabled gpl libx264
4779 die_license_disabled gpl libx265
4780 die_license_disabled gpl libxavs
4781 die_license_disabled gpl libxvid
4782 die_license_disabled gpl libzvbi
4783 die_license_disabled gpl x11grab
4785 die_license_disabled nonfree libaacplus
4786 die_license_disabled nonfree libfaac
4787 die_license_disabled nonfree nvenc
4788 enabled gpl && die_license_disabled_gpl nonfree libfdk_aac
4789 enabled gpl && die_license_disabled_gpl nonfree openssl
4791 die_license_disabled version3 gmp
4792 die_license_disabled version3 libopencore_amrnb
4793 die_license_disabled version3 libopencore_amrwb
4794 die_license_disabled version3 libsmbclient
4795 die_license_disabled version3 libvo_aacenc
4796 die_license_disabled version3 libvo_amrwbenc
4798 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
4800 disabled optimizations || check_cflags -fomit-frame-pointer
4803 disabled pic && return
4806 case "$target_os" in
4816 enabled pic && enable_weak_pic
4818 check_cc <<EOF || die "Symbol mangling check failed."
4821 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
4822 extern_prefix=${sym%%ff_extern*}
4824 check_cc <<EOF && enable_weak inline_asm
4825 void foo(void) { __asm__ volatile ("" ::); }
4829 for restrict_keyword in restrict __restrict__ __restrict; do
4830 check_cc <<EOF && _restrict=$restrict_keyword && break
4831 void foo(char * $restrict_keyword p);
4835 check_cc <<EOF && enable pragma_deprecated
4836 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
4839 check_cc <<EOF && enable attribute_packed
4840 struct { int x; } __attribute__((packed)) x;
4843 check_cc <<EOF && enable attribute_may_alias
4844 union { int x; } __attribute__((may_alias)) x;
4847 check_cc <<EOF || die "endian test failed"
4848 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
4850 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
4852 if ! enabled ppc64 || enabled bigendian; then
4857 log "check_gas using '$as' as AS"
4858 # :vararg is used on aarch64, arm and ppc altivec
4859 check_as <<EOF || return 1
4860 .macro m n, y:vararg=0