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-avutil disable libavutil build
132 --disable-swresample disable libswresample build
133 --disable-swscale disable libswscale build
134 --disable-postproc disable libpostproc build
135 --disable-avfilter disable libavfilter build
136 --enable-avresample enable libavresample build [no]
137 --disable-pthreads disable pthreads [autodetect]
138 --disable-w32threads disable Win32 threads [autodetect]
139 --disable-os2threads disable OS/2 threads [autodetect]
140 --disable-network disable network support [no]
141 --disable-dct disable DCT code
142 --disable-dwt disable DWT code
143 --disable-error-resilience disable error resilience code
144 --disable-lsp disable LSP code
145 --disable-lzo disable LZO decoder code
146 --disable-mdct disable MDCT code
147 --disable-rdft disable RDFT code
148 --disable-fft disable FFT code
149 --disable-faan disable floating point AAN (I)DCT code
150 --disable-pixelutils disable pixel utils in libavutil
152 Hardware accelerators:
153 --disable-d3d11va disable D3D11VA code [autodetect]
154 --disable-dxva2 disable DXVA2 code [autodetect]
155 --disable-vaapi disable VAAPI code [autodetect]
156 --disable-vda disable VDA code [autodetect]
157 --disable-vdpau disable VDPAU code [autodetect]
158 --enable-videotoolbox enable VideoToolbox code [autodetect]
160 Individual component options:
161 --disable-everything disable all components listed below
162 --disable-encoder=NAME disable encoder NAME
163 --enable-encoder=NAME enable encoder NAME
164 --disable-encoders disable all encoders
165 --disable-decoder=NAME disable decoder NAME
166 --enable-decoder=NAME enable decoder NAME
167 --disable-decoders disable all decoders
168 --disable-hwaccel=NAME disable hwaccel NAME
169 --enable-hwaccel=NAME enable hwaccel NAME
170 --disable-hwaccels disable all hwaccels
171 --disable-muxer=NAME disable muxer NAME
172 --enable-muxer=NAME enable muxer NAME
173 --disable-muxers disable all muxers
174 --disable-demuxer=NAME disable demuxer NAME
175 --enable-demuxer=NAME enable demuxer NAME
176 --disable-demuxers disable all demuxers
177 --enable-parser=NAME enable parser NAME
178 --disable-parser=NAME disable parser NAME
179 --disable-parsers disable all parsers
180 --enable-bsf=NAME enable bitstream filter NAME
181 --disable-bsf=NAME disable bitstream filter NAME
182 --disable-bsfs disable all bitstream filters
183 --enable-protocol=NAME enable protocol NAME
184 --disable-protocol=NAME disable protocol NAME
185 --disable-protocols disable all protocols
186 --enable-indev=NAME enable input device NAME
187 --disable-indev=NAME disable input device NAME
188 --disable-indevs disable input devices
189 --enable-outdev=NAME enable output device NAME
190 --disable-outdev=NAME disable output device NAME
191 --disable-outdevs disable output devices
192 --disable-devices disable all devices
193 --enable-filter=NAME enable filter NAME
194 --disable-filter=NAME disable filter NAME
195 --disable-filters disable all filters
197 External library support:
198 --enable-avisynth enable reading of AviSynth script files [no]
199 --disable-bzlib disable bzlib [autodetect]
200 --enable-fontconfig enable fontconfig, useful for drawtext filter [no]
201 --enable-frei0r enable frei0r video filtering [no]
202 --enable-gnutls enable gnutls, needed for https support
203 if openssl is not used [no]
204 --disable-iconv disable iconv [autodetect]
205 --enable-ladspa enable LADSPA audio filtering [no]
206 --enable-libaacplus enable AAC+ encoding via libaacplus [no]
207 --enable-libass enable libass subtitles rendering,
208 needed for subtitles and ass filter [no]
209 --enable-libbluray enable BluRay reading using libbluray [no]
210 --enable-libbs2b enable bs2b DSP library [no]
211 --enable-libcaca enable textual display using libcaca [no]
212 --enable-libcelt enable CELT decoding via libcelt [no]
213 --enable-libcdio enable audio CD grabbing with libcdio [no]
214 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
216 --enable-libdcadec enable DCA decoding via libdcadec [no]
217 --enable-libfaac enable AAC encoding via libfaac [no]
218 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
219 --enable-libflite enable flite (voice synthesis) support via libflite [no]
220 --enable-libfreetype enable libfreetype, needed for drawtext filter [no]
221 --enable-libfribidi enable libfribidi, improves drawtext filter [no]
222 --enable-libgme enable Game Music Emu via libgme [no]
223 --enable-libgsm enable GSM de/encoding via libgsm [no]
224 --enable-libiec61883 enable iec61883 via libiec61883 [no]
225 --enable-libilbc enable iLBC de/encoding via libilbc [no]
226 --enable-libkvazaar enable HEVC encoding via libkvazaar [no]
227 --enable-libmfx enable HW acceleration through libmfx
228 --enable-libmodplug enable ModPlug via libmodplug [no]
229 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
230 --enable-libnut enable NUT (de)muxing via libnut,
231 native (de)muxer exists [no]
232 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
233 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
234 --enable-libopencv enable video filtering via libopencv [no]
235 --enable-libopenh264 enable H.264 encoding via OpenH264 [no]
236 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
237 --enable-libopus enable Opus de/encoding via libopus [no]
238 --enable-libpulse enable Pulseaudio input via libpulse [no]
239 --enable-libquvi enable quvi input via libquvi [no]
240 --enable-librtmp enable RTMP[E] support via librtmp [no]
241 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
242 --enable-libshine enable fixed-point MP3 encoding via libshine [no]
243 --enable-libsmbclient enable Samba protocol via libsmbclient [no]
244 --enable-libsnappy enable Snappy compression, needed for hap encoding [no]
245 --enable-libsoxr enable Include libsoxr resampling [no]
246 --enable-libspeex enable Speex de/encoding via libspeex [no]
247 --enable-libssh enable SFTP protocol via libssh [no]
248 --enable-libstagefright-h264 enable H.264 decoding via libstagefright [no]
249 --enable-libtheora enable Theora encoding via libtheora [no]
250 --enable-libtwolame enable MP2 encoding via libtwolame [no]
251 --enable-libutvideo enable Ut Video encoding and decoding via libutvideo [no]
252 --enable-libv4l2 enable libv4l2/v4l-utils [no]
253 --enable-libvidstab enable video stabilization using vid.stab [no]
254 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
255 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
256 --enable-libvorbis enable Vorbis en/decoding via libvorbis,
257 native implementation exists [no]
258 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
259 --enable-libwavpack enable wavpack encoding via libwavpack [no]
260 --enable-libwebp enable WebP encoding via libwebp [no]
261 --enable-libx264 enable H.264 encoding via x264 [no]
262 --enable-libx265 enable HEVC encoding via x265 [no]
263 --enable-libxavs enable AVS encoding via xavs [no]
264 --enable-libxcb enable X11 grabbing using XCB [autodetect]
265 --enable-libxcb-shm enable X11 grabbing shm communication [autodetect]
266 --enable-libxcb-xfixes enable X11 grabbing mouse rendering [autodetect]
267 --enable-libxcb-shape enable X11 grabbing shape rendering [autodetect]
268 --enable-libxvid enable Xvid encoding via xvidcore,
269 native MPEG-4/Xvid encoder exists [no]
270 --enable-libzmq enable message passing via libzmq [no]
271 --enable-libzvbi enable teletext support via libzvbi [no]
272 --disable-lzma disable lzma [autodetect]
273 --enable-decklink enable Blackmagick DeckLink I/O support [no]
274 --enable-mmal enable decoding via MMAL [no]
275 --enable-nvenc enable NVIDIA NVENC support [no]
276 --enable-openal enable OpenAL 1.1 capture support [no]
277 --enable-opencl enable OpenCL code
278 --enable-opengl enable OpenGL rendering [no]
279 --enable-openssl enable openssl, needed for https support
280 if gnutls is not used [no]
281 --disable-sdl disable sdl [autodetect]
282 --disable-securetransport disable Secure Transport, needed for TLS support
283 on OSX if openssl and gnutls are not used [autodetect]
284 --enable-x11grab enable X11 grabbing (legacy) [no]
285 --disable-xlib disable xlib [autodetect]
286 --disable-zlib disable zlib [autodetect]
289 --arch=ARCH select architecture [$arch]
290 --cpu=CPU select the minimum required CPU (affects
291 instruction selection, may crash on older CPUs)
292 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
293 --progs-suffix=SUFFIX program name suffix []
294 --enable-cross-compile assume a cross-compiler is used
295 --sysroot=PATH root of cross-build tree
296 --sysinclude=PATH location of cross-build system headers
297 --target-os=OS compiler targets OS [$target_os]
298 --target-exec=CMD command to run executables on target
299 --target-path=DIR path to view of build directory on target
300 --target-samples=DIR path to samples directory on target
301 --tempprefix=PATH force fixed dir/prefix instead of mktemp for checks
302 --toolchain=NAME set tool defaults according to NAME
303 --nm=NM use nm tool NM [$nm_default]
304 --ar=AR use archive tool AR [$ar_default]
305 --as=AS use assembler AS [$as_default]
306 --windres=WINDRES use windows resource compiler WINDRES [$windres_default]
307 --yasmexe=EXE use yasm-compatible assembler EXE [$yasmexe_default]
308 --cc=CC use C compiler CC [$cc_default]
309 --cxx=CXX use C compiler CXX [$cxx_default]
310 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
311 --ld=LD use linker LD [$ld_default]
312 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
313 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
314 --ranlib=RANLIB use ranlib RANLIB [$ranlib_default]
315 --doxygen=DOXYGEN use DOXYGEN to generate API doc [$doxygen_default]
316 --host-cc=HOSTCC use host C compiler HOSTCC
317 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
318 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
319 --host-ld=HOSTLD use host linker HOSTLD
320 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
321 --host-libs=HLIBS use libs HLIBS when linking for host
322 --host-os=OS compiler host OS [$target_os]
323 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
324 --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
325 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
326 --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
327 --extra-ldlibflags=ELDFLAGS add ELDFLAGS to LDLIBFLAGS [$LDLIBFLAGS]
328 --extra-libs=ELIBS add ELIBS [$ELIBS]
329 --extra-version=STRING version string suffix []
330 --optflags=OPTFLAGS override optimization-related compiler flags
331 --build-suffix=SUFFIX library name suffix []
332 --enable-pic build position-independent code
333 --enable-thumb compile for Thumb instruction set
334 --enable-lto use link-time optimization
335 --env="ENV=override" override the environment variables
337 Advanced options (experts only):
338 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
339 --disable-symver disable symbol versioning
340 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
341 --disable-safe-bitstream-reader
342 disable buffer boundary checking in bitreaders
343 (faster, but may crash)
344 --enable-memalign-hack emulate memalign, interferes with memory debuggers
345 --sws-max-filter-size=N the max filter size swscale uses [$sws_max_filter_size_default]
347 Optimization options (experts only):
348 --disable-asm disable all assembly optimizations
349 --disable-altivec disable AltiVec optimizations
350 --disable-vsx disable VSX optimizations
351 --disable-power8 disable POWER8 optimizations
352 --disable-amd3dnow disable 3DNow! optimizations
353 --disable-amd3dnowext disable 3DNow! extended optimizations
354 --disable-mmx disable MMX optimizations
355 --disable-mmxext disable MMXEXT optimizations
356 --disable-sse disable SSE optimizations
357 --disable-sse2 disable SSE2 optimizations
358 --disable-sse3 disable SSE3 optimizations
359 --disable-ssse3 disable SSSE3 optimizations
360 --disable-sse4 disable SSE4 optimizations
361 --disable-sse42 disable SSE4.2 optimizations
362 --disable-avx disable AVX optimizations
363 --disable-xop disable XOP optimizations
364 --disable-fma3 disable FMA3 optimizations
365 --disable-fma4 disable FMA4 optimizations
366 --disable-avx2 disable AVX2 optimizations
367 --disable-armv5te disable armv5te optimizations
368 --disable-armv6 disable armv6 optimizations
369 --disable-armv6t2 disable armv6t2 optimizations
370 --disable-vfp disable VFP optimizations
371 --disable-neon disable NEON optimizations
372 --disable-inline-asm disable use of inline assembly
373 --disable-yasm disable use of nasm/yasm assembly
374 --disable-mips32r5 disable MIPS32R5 optimizations
375 --disable-mips64r6 disable MIPS64R6 optimizations
376 --disable-mipsdspr1 disable MIPS DSP ASE R1 optimizations
377 --disable-mipsdspr2 disable MIPS DSP ASE R2 optimizations
378 --disable-msa disable MSA optimizations
379 --disable-mipsfpu disable floating point MIPS optimizations
380 --disable-mmi disable Loongson SIMD optimizations
381 --disable-fast-unaligned consider unaligned accesses slow
383 Developer options (useful when working on FFmpeg itself):
384 --disable-debug disable debugging symbols
385 --enable-debug=LEVEL set the debug level [$debuglevel]
386 --disable-optimizations disable compiler optimizations
387 --enable-extra-warnings enable more compiler warnings
388 --disable-stripping disable stripping of executables and shared libraries
389 --assert-level=level 0(default), 1 or 2, amount of assertion testing,
390 2 causes a slowdown at runtime.
391 --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
392 --valgrind=VALGRIND run "make fate" tests through valgrind to detect memory
393 leaks and errors, using the specified valgrind binary.
394 Cannot be combined with --target-exec
395 --enable-ftrapv Trap arithmetic overflows
396 --samples=PATH location of test samples for FATE, if not set use
397 \$FATE_SAMPLES at make invocation time.
398 --enable-neon-clobber-test check NEON registers for clobbering (should be
399 used only for debugging purposes)
400 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
401 should be used only for debugging purposes)
402 --enable-random randomly enable/disable components
404 --enable-random=LIST randomly enable/disable specific components or
405 --disable-random=LIST component groups. LIST is a comma-separated list
406 of NAME[:PROB] entries where NAME is a component
407 (group) and PROB the probability associated with
409 --random-seed=VALUE seed value for --enable/disable-random
410 --disable-valgrind-backtrace do not print a backtrace under Valgrind
411 (only applies to --disable-optimizations builds)
413 NOTE: Object files are built at the place where configure is launched.
421 echo "$@" >> $logfile
426 pr -n -t $1 >> $logfile
437 WARNINGS="${WARNINGS}WARNING: $*\n"
444 If you think configure made a mistake, make sure you are using the latest
445 version from Git. If the latest version fails, report the problem to the
446 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
448 if disabled logging; then
450 Rerun configure with logging enabled (do not use --disable-logging), and
451 include the log this produces with your report.
455 Include the log file "$logfile" produced by configure as this will help
462 # Avoid locale weirdness, besides we really just want to translate ASCII.
464 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
468 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
472 echo "$*" | sed 's/["\\]/\\\0/g'
476 v=$(echo "$1" | sed "s/'/'\\\\''/g")
477 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
482 echo "$@" | sed 's/^ *//;s/[[:space:]][[:space:]]*/ /g;s/ *$//'
489 eval "case $v in $pat) echo $v ;; esac"
497 eval "case $v in $pat) ;; *) echo $v ;; esac"
504 for v; do eval $m; done
510 for v; do echo ${v}${suffix}; done
525 eval : \${$var:=$value}
530 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
536 eval $(sanitize_var_name "$var")='$*'
540 eval echo \$$(sanitize_var_name "$1")
545 eval level=\${${pvar}_level:=0}
546 eval ${pvar}_${level}="\$$pvar"
547 eval ${pvar}_level=$(($level+1))
553 eval level=\${${pvar}_level:-0}
554 test $level = 0 && continue
555 eval level=$(($level-1))
556 eval $pvar="\${${pvar}_${level}}"
557 eval ${pvar}_level=$level
558 eval unset ${pvar}_${level}
580 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
586 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
592 enabled $var && continue
593 eval sel="\$${var}_select"
594 eval sgs="\$${var}_suggest"
598 enable_deep_weak $sgs
610 disabled $var && continue
619 test "${1#!}" = "$1" && op== || op=!=
620 eval test "x\$${1#!}" $op "xyes"
624 test "${1#!}" = "$1" && op== || op=!=
625 eval test "x\$${1#!}" $op "xno"
630 enabled $opt || return 1
636 disabled $opt || return 1
642 enabled $opt && return 0
648 disabled $opt && return 0
655 eval : \${$opt:=\$${opt}_default}
663 [ $var = $value ] && return 0
671 enabled ${cfg}_checking && die "Circular dependency for $cfg."
672 disabled ${cfg}_checking && continue
673 enable ${cfg}_checking
676 eval dep_all="\$${cfg}_deps"
677 eval dep_any="\$${cfg}_deps_any"
678 eval dep_sel="\$${cfg}_select"
679 eval dep_sgs="\$${cfg}_suggest"
680 eval dep_ifa="\$${cfg}_if"
681 eval dep_ifn="\$${cfg}_if_any"
683 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
684 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
685 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
687 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
688 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
689 enabled_all $dep_all || disable $cfg
690 enabled_any $dep_any || disable $cfg
691 disabled_any $dep_sel && disable $cfg
693 if enabled $cfg; then
695 enable_deep_weak $dep_sgs
698 disable ${cfg}_checking
707 for cfg in $allopts; do
708 enabled $cfg || continue
709 eval dep_extralibs="\$${cfg}_extralibs"
710 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
718 map 'eval echo "$v \${$v:-no}"' "$@" |
719 awk "BEGIN { split(\"$files\", files) }
721 c = \"$pfx\" toupper(\$1);
727 if (file ~ /\\.h\$/) {
728 printf(\"#define %s %d\\n\", c, v) >>file;
729 } else if (file ~ /\\.asm\$/) {
730 printf(\"%%define %s %d\\n\", c, v) >>file;
731 } else if (file ~ /\\.mak\$/) {
732 n = -v ? \"\" : \"!\";
733 printf(\"%s%s=yes\\n\", n, c) >>file;
734 } else if (file ~ /\\.texi\$/) {
735 pre = -v ? \"\" : \"@c \";
738 gsub(/_/, \"-\", c2);
739 printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
749 enabled $v && printf "%s\n" ${v%$suf};
756 eval "$var=\"\$$var $*\""
762 eval "$var=\"$* \$$var\""
768 for tok in $(eval echo \$$var); do
769 uniq_list="$(filter_out $tok $uniq_list) $tok"
771 eval "$var=\"${uniq_list}\""
779 append CFLAGS $($cflags_filter "$@")
783 append CXXFLAGS $($cflags_filter "$@")
787 append ASFLAGS $($asflags_filter "$@")
791 append LDFLAGS $($ldflags_filter "$@")
795 append LDEXEFLAGS $($ldflags_filter "$@")
799 append LDLIBFLAGS $($ldflags_filter "$@")
803 append ASMSTRIPFLAGS "$@"
807 prepend extralibs $($ldflags_filter "$@")
811 append host_cppflags "$@"
815 append host_cflags $($host_cflags_filter "$@")
819 append host_ldflags $($host_ldflags_filter "$@")
823 append compat_objs $1
825 map 'add_cppflags -D$v' "$@"
830 "$@" >> $logfile 2>&1
835 stat "$1" >> $logfile 2>&1
839 eval printf '%s\\n' $CC_O
843 eval printf '%s\\n' $CC_E
850 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
857 check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
864 check_cmd $cc -Werror=missing-prototypes $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPM
871 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
875 eval printf '%s\\n' $AS_O
882 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
886 log check_inline_asm "$@"
891 check_cc "$@" <<EOF && enable $name
892 void foo(void){ __asm__ volatile($code); }
898 check_inline_asm ${1}_inline "\"$2\""
899 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
907 check_cmd $yasmexe $YASMFLAGS -Werror "$@" -o $TMPO $TMPS
911 eval printf '%s\\n' $LD_O
918 flags=$(filter_out '-l*|*.so' $@)
919 libs=$(filter '-l*|*.so' $@)
920 check_$type $($cflags_filter $flags) || return
921 flags=$($ldflags_filter $flags)
922 libs=$($ldflags_filter $libs)
923 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
928 test "${hdr%.h}" = "${hdr}" &&
929 echo "#include $hdr" ||
930 echo "#include <$hdr>"
940 for hdr in $headers; do
943 echo "int main(void) { $code; return 0; }"
944 } | check_$check "$@"
948 log check_cppflags "$@"
949 check_cc "$@" <<EOF && append CPPFLAGS "$@"
956 set -- $($cflags_filter "$@")
963 log check_cflags "$@"
964 test_cflags "$@" && add_cflags "$@"
968 log check_cxxflags "$@"
969 set -- $($cflags_filter "$@")
970 check_cxx "$@" <<EOF && append CXXFLAGS "$@"
976 log test_ldflags "$@"
977 check_ld "cc" "$@" <<EOF
978 int main(void){ return 0; }
983 log check_ldflags "$@"
984 test_ldflags "$@" && add_ldflags "$@"
988 log test_stripflags "$@"
989 # call check_cc to get a fresh TMPO
991 int main(void) { return 0; }
993 check_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO
997 log check_stripflags "$@"
998 test_stripflags "$@" && add_stripflags "$@"
1002 log check_header "$@"
1005 disable_safe $header
1006 check_cpp "$@" <<EOF && enable_safe $header
1013 log check_header_oc "$@"
1017 disable_safe $header
1019 echo "#include <$header>"
1020 echo "int main(void) { return 0; }"
1021 } | check_oc && check_stat "$TMPO" && enable_safe $headers
1029 check_ld "cc" "$@" <<EOF && enable $func
1031 int main(void){ $func(); }
1036 log check_mathfunc "$@"
1040 test $narg = 2 && args="f, g" || args="f"
1042 check_ld "cc" "$@" <<EOF && enable $func
1044 float foo(float f, float g) { return $func($args); }
1045 int main(void){ return (int) foo; }
1049 check_func_headers(){
1050 log check_func_headers "$@"
1055 for hdr in $headers; do
1058 for func in $funcs; do
1059 echo "long check_$func(void) { return (long) $func; }"
1061 echo "int main(void) { return 0; }"
1062 } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
1065 check_class_headers_cpp(){
1066 log check_class_headers_cpp "$@"
1071 for hdr in $headers; do
1072 echo "#include <$hdr>"
1074 echo "int main(void) { "
1076 for class in $classes; do
1077 echo "$class obj$i;"
1081 } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
1084 check_cpp_condition(){
1085 log check_cpp_condition "$@"
1089 check_cpp "$@" <<EOF
1092 #error "unsatisfied condition: $condition"
1102 check_header $header && check_func $func "$@" && add_extralibs "$@"
1110 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
1114 log check_lib_cpp "$@"
1118 check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
1122 log check_pkg_config "$@"
1128 check_cmd $pkg_config --exists --print-errors $pkgandversion || return
1129 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1130 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1131 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1132 set_safe "${pkg}_cflags" $pkg_cflags &&
1133 set_safe "${pkg}_libs" $pkg_libs
1137 check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1143 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1144 # are safe but may not be available everywhere. Thus we use
1145 # raise(SIGTERM) instead. The check is run in a subshell so we
1146 # can redirect the "Terminated" message from the shell. SIGBUS
1147 # is not defined by standard C so it is used conditionally.
1149 (check_exec "$@") >> $logfile 2>&1 <<EOF
1151 static void sighandler(int sig){
1157 int (*func_ptr)(void) = foo;
1159 signal(SIGILL, sighandler);
1160 signal(SIGFPE, sighandler);
1161 signal(SIGSEGV, sighandler);
1163 signal(SIGBUS, sighandler);
1175 disable_safe "$type"
1176 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1180 log check_struct "$@"
1185 disable_safe "${struct}_${member}"
1186 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1187 enable_safe "${struct}_${member}"
1191 log check_builtin "$@"
1197 check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1200 check_compile_assert(){
1201 log check_compile_assert "$@"
1207 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1215 check_lib $header $func "$@" || die "ERROR: $name not found"
1223 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1231 check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1236 check_pkg_config "$@" || return 1
1237 add_cflags $(get_safe "${pkg}_cflags")
1238 add_extralibs $(get_safe "${pkg}_libs")
1241 require_pkg_config(){
1242 use_pkg_config "$@" || die "ERROR: $pkg not found using pkg-config$pkg_config_fail_message"
1245 require_libfreetype(){
1246 log require_libfreetype "$@"
1248 check_cmd $pkg_config --exists --print-errors $pkg \
1249 || die "ERROR: $pkg not found"
1250 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1251 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1253 echo "#include <ft2build.h>"
1254 echo "#include FT_FREETYPE_H"
1255 echo "long check_func(void) { return (long) FT_Init_FreeType; }"
1256 echo "int main(void) { return 0; }"
1257 } | check_ld "cc" $pkg_cflags $pkg_libs \
1258 && set_safe "${pkg}_cflags" $pkg_cflags \
1259 && set_safe "${pkg}_libs" $pkg_libs \
1260 || die "ERROR: $pkg not found"
1261 add_cflags $(get_safe "${pkg}_cflags")
1262 add_extralibs $(get_safe "${pkg}_libs")
1266 eval printf '%s\\n' $HOSTCC_E
1270 eval printf '%s\\n' $HOSTCC_O
1274 log check_host_cc "$@"
1277 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1281 log check_host_cpp "$@"
1284 check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1287 check_host_cppflags(){
1288 log check_host_cppflags "$@"
1289 check_host_cc "$@" <<EOF && append host_cppflags "$@"
1294 check_host_cflags(){
1295 log check_host_cflags "$@"
1296 set -- $($host_cflags_filter "$@")
1297 check_host_cc "$@" <<EOF && append host_cflags "$@"
1302 check_host_cpp_condition(){
1303 log check_host_cpp_condition "$@"
1307 check_host_cpp "$@" <<EOF
1310 #error "unsatisfied condition: $condition"
1316 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1317 mkdir -p "$(dirname $2)"
1321 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1322 # system-dependent things.
1339 avio_reading_example
1340 avio_dir_cmd_example
1341 decoding_encoding_example
1342 demuxing_decoding_example
1344 filter_audio_example
1345 filtering_audio_example
1346 filtering_video_example
1351 resampling_audio_example
1352 scaling_video_example
1353 transcode_aac_example
1357 EXTERNAL_LIBRARY_LIST="
1455 safe_bitstream_reader
1516 $EXTERNAL_LIBRARY_LIST
1524 incompatible_libav_abi
1586 ARCH_EXT_LIST_MIPS="
1596 ARCH_EXT_LIST_LOONGSON="
1602 ARCH_EXT_LIST_X86_SIMD="
1630 $ARCH_EXT_LIST_X86_SIMD
1640 $ARCH_EXT_LIST_LOONGSON
1656 atomic_compare_exchange
1662 sync_val_compare_and_swap
1673 incompatible_libav_abi
1682 cdio_paranoia_paranoia_h
1683 dev_bktr_ioctl_bt848_h
1684 dev_bktr_ioctl_meteor_h
1686 dev_video_bktr_ioctl_bt848_h
1687 dev_video_meteor_ioctl_meteor_h
1697 machine_ioctl_bt848_h
1698 machine_ioctl_meteor_h
1700 openjpeg_1_5_openjpeg_h
1770 GetProcessAffinityMask
1771 GetProcessMemoryInfo
1775 GetSystemTimeAsFileTime
1782 jack_port_get_latency_range
1798 SetConsoleTextAttribute
1799 SetConsoleCtrlHandler
1811 TOOLCHAIN_FEATURES="
1824 inline_asm_nonlocal_labels
1825 inline_asm_direct_symbol_refs
1836 CONDITION_VARIABLE_Ptr
1839 struct_dcadec_exss_info_matrix_encoding
1840 struct_group_source_req
1841 struct_ip_mreq_source
1844 struct_rusage_ru_maxrss
1845 struct_sctp_event_subscribe
1847 struct_sockaddr_sa_len
1848 struct_sockaddr_storage
1849 struct_stat_st_mtim_tv_nsec
1850 struct_v4l2_frmivalenum_discrete
1855 $(add_suffix _external $ARCH_EXT_LIST)
1856 $(add_suffix _inline $ARCH_EXT_LIST)
1889 # options emitted with CONFIG_ prefix but not available on the command line
1905 frame_thread_encoder
2045 # code dependency declarations
2047 # architecture extensions
2052 armv8_deps="aarch64"
2053 neon_deps_any="aarch64 arm"
2054 intrinsics_neon_deps="neon"
2055 vfp_deps_any="aarch64 arm"
2059 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
2062 mipsdspr1_deps="mips"
2063 mipsdspr2_deps="mips"
2064 mips32r2_deps="mips"
2065 mips32r5_deps="mips"
2066 mips64r6_deps="mips"
2078 x86_64_select="i686"
2079 x86_64_suggest="fast_cmov"
2082 amd3dnowext_deps="amd3dnow"
2098 mmx_external_deps="yasm"
2099 mmx_inline_deps="inline_asm"
2100 mmx_suggest="mmx_external mmx_inline"
2102 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
2103 eval dep=\$${ext}_deps
2104 eval ${ext}_external_deps='"${dep}_external"'
2105 eval ${ext}_inline_deps='"${dep}_inline"'
2106 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
2109 aligned_stack_if_any="aarch64 ppc x86"
2110 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
2111 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
2112 fast_unaligned_if_any="aarch64 ppc x86"
2113 simd_align_16_if_any="altivec neon sse"
2115 # system capabilities
2116 symver_if_any="symver_asm_label symver_gnu_asm"
2117 valgrind_backtrace_deps="!optimizations valgrind_valgrind_h"
2120 atomics_gcc_if_any="sync_val_compare_and_swap atomic_compare_exchange"
2121 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
2122 atomics_win32_if="MemoryBarrier"
2123 atomics_native_if_any="$ATOMICS_LIST"
2124 w32threads_deps="atomics_native"
2125 threads_if_any="$THREADS_LIST"
2129 error_resilience_select="me_cmp"
2130 faandct_deps="faan fdctdsp"
2131 faanidct_deps="faan idctdsp"
2132 frame_thread_encoder_deps="encoders threads"
2133 intrax8_select="error_resilience"
2136 me_cmp_select="fdctdsp idctdsp pixblockdsp"
2137 mpeg_er_select="error_resilience"
2138 mpegaudio_select="mpegaudiodsp"
2139 mpegaudiodsp_select="dct"
2140 mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp mpeg_er videodsp"
2141 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
2145 # decoders / encoders
2146 aac_decoder_select="imdct15 mdct sinewin"
2147 aac_fixed_decoder_select="mdct sinewin"
2148 aac_encoder_select="audio_frame_queue iirfilter lpc mdct sinewin"
2149 aac_latm_decoder_select="aac_decoder aac_latm_parser"
2150 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
2151 ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"
2152 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
2153 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
2154 adpcm_g722_decoder_select="g722dsp"
2155 adpcm_g722_encoder_select="g722dsp"
2156 aic_decoder_select="golomb idctdsp"
2157 alac_encoder_select="lpc"
2158 als_decoder_select="bswapdsp"
2159 amrnb_decoder_select="lsp"
2160 amrwb_decoder_select="lsp"
2161 amv_decoder_select="sp5x_decoder exif"
2162 amv_encoder_select="aandcttables jpegtables mpegvideoenc"
2163 ape_decoder_select="bswapdsp llauddsp"
2164 apng_decoder_select="zlib"
2165 apng_encoder_select="huffyuvencdsp zlib"
2166 asv1_decoder_select="blockdsp bswapdsp idctdsp"
2167 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
2168 asv2_decoder_select="blockdsp bswapdsp idctdsp"
2169 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
2170 atrac1_decoder_select="mdct sinewin"
2171 atrac3_decoder_select="mdct"
2172 atrac3p_decoder_select="mdct sinewin"
2173 avrn_decoder_select="exif jpegtables"
2174 bink_decoder_select="blockdsp hpeldsp"
2175 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
2176 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
2177 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
2178 cllc_decoder_select="bswapdsp"
2179 comfortnoise_encoder_select="lpc"
2180 cook_decoder_select="audiodsp mdct sinewin"
2181 cscd_decoder_select="lzo"
2182 cscd_decoder_suggest="zlib"
2183 dca_decoder_select="fmtconvert mdct"
2184 dds_decoder_select="texturedsp"
2185 dirac_decoder_select="dwt golomb videodsp mpegvideoenc"
2186 dnxhd_decoder_select="blockdsp idctdsp"
2187 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
2188 dvvideo_decoder_select="dvprofile idctdsp"
2189 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
2190 dxa_decoder_select="zlib"
2191 eac3_decoder_select="ac3_decoder"
2192 eac3_encoder_select="ac3_encoder"
2193 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
2194 eatgq_decoder_select="aandcttables"
2195 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpeg1video_decoder"
2196 exr_decoder_select="zlib"
2197 ffv1_decoder_select="golomb rangecoder"
2198 ffv1_encoder_select="rangecoder"
2199 ffvhuff_decoder_select="huffyuv_decoder"
2200 ffvhuff_encoder_select="huffyuv_encoder"
2201 fic_decoder_select="golomb"
2202 flac_decoder_select="flacdsp golomb"
2203 flac_encoder_select="bswapdsp flacdsp golomb lpc"
2204 flashsv_decoder_select="zlib"
2205 flashsv_encoder_select="zlib"
2206 flashsv2_encoder_select="zlib"
2207 flashsv2_decoder_select="zlib"
2208 flv_decoder_select="h263_decoder"
2209 flv_encoder_select="h263_encoder"
2210 fourxm_decoder_select="blockdsp bswapdsp"
2211 fraps_decoder_select="bswapdsp huffman"
2212 g2m_decoder_select="blockdsp idctdsp jpegtables zlib"
2213 g729_decoder_select="audiodsp"
2214 h261_decoder_select="mpegvideo"
2215 h261_encoder_select="aandcttables mpegvideoenc"
2216 h263_decoder_select="h263_parser h263dsp mpegvideo qpeldsp"
2217 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
2218 h263i_decoder_select="h263_decoder"
2219 h263p_decoder_select="h263_decoder"
2220 h263p_encoder_select="h263_encoder"
2221 h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel startcode videodsp"
2222 h264_decoder_suggest="error_resilience"
2223 h264_qsv_decoder_deps="libmfx"
2224 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
2225 h264_qsv_encoder_deps="libmfx"
2226 h264_qsv_encoder_select="qsvenc"
2227 hap_decoder_select="snappy texturedsp"
2228 hap_encoder_deps="libsnappy"
2229 hap_encoder_select="texturedspenc"
2230 hevc_decoder_select="bswapdsp cabac golomb videodsp"
2231 hevc_qsv_encoder_deps="libmfx"
2232 hevc_qsv_decoder_deps="libmfx"
2233 hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec hevc_qsv_hwaccel"
2234 hevc_qsv_encoder_select="qsvenc"
2235 huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"
2236 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llviddsp"
2237 iac_decoder_select="imc_decoder"
2238 imc_decoder_select="bswapdsp fft mdct sinewin"
2239 indeo3_decoder_select="hpeldsp"
2240 indeo4_decoder_select="ividsp"
2241 indeo5_decoder_select="ividsp"
2242 interplay_video_decoder_select="hpeldsp"
2243 jpegls_decoder_select="golomb mjpeg_decoder"
2244 jpegls_encoder_select="golomb"
2245 jv_decoder_select="blockdsp"
2246 lagarith_decoder_select="huffyuvdsp"
2247 ljpeg_encoder_select="aandcttables idctdsp jpegtables"
2248 loco_decoder_select="golomb"
2249 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2250 metasound_decoder_select="lsp mdct sinewin"
2251 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2252 mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"
2253 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
2254 mjpegb_decoder_select="mjpeg_decoder"
2255 mlp_decoder_select="mlp_parser"
2256 motionpixels_decoder_select="bswapdsp"
2257 mp1_decoder_select="mpegaudio"
2258 mp1float_decoder_select="mpegaudio"
2259 mp2_decoder_select="mpegaudio"
2260 mp2float_decoder_select="mpegaudio"
2261 mp3_decoder_select="mpegaudio"
2262 mp3adu_decoder_select="mpegaudio"
2263 mp3adufloat_decoder_select="mpegaudio"
2264 mp3float_decoder_select="mpegaudio"
2265 mp3on4_decoder_select="mpegaudio"
2266 mp3on4float_decoder_select="mpegaudio"
2267 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2268 mpc8_decoder_select="mpegaudiodsp"
2269 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
2270 mpeg_xvmc_decoder_select="mpeg2video_decoder"
2271 mpegvideo_decoder_select="mpegvideo"
2272 mpeg1video_decoder_select="mpegvideo"
2273 mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"
2274 mpeg2video_decoder_select="mpegvideo"
2275 mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"
2276 mpeg2_qsv_decoder_deps="libmfx"
2277 mpeg2_qsv_decoder_select="qsvdec mpeg2_qsv_hwaccel"
2278 mpeg2_qsv_encoder_deps="libmfx"
2279 mpeg2_qsv_encoder_select="qsvenc"
2280 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2281 mpeg4_encoder_select="h263_encoder"
2282 msa1_decoder_select="mss34dsp"
2283 msmpeg4v1_decoder_select="h263_decoder"
2284 msmpeg4v2_decoder_select="h263_decoder"
2285 msmpeg4v2_encoder_select="h263_encoder"
2286 msmpeg4v3_decoder_select="h263_decoder"
2287 msmpeg4v3_encoder_select="h263_encoder"
2288 mss2_decoder_select="vc1_decoder"
2289 mts2_decoder_select="mss34dsp"
2290 mxpeg_decoder_select="mjpeg_decoder"
2291 nellymoser_decoder_select="mdct sinewin"
2292 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2293 nuv_decoder_select="idctdsp lzo"
2294 on2avc_decoder_select="mdct"
2295 opus_decoder_deps="swresample"
2296 opus_decoder_select="imdct15"
2297 png_decoder_select="zlib"
2298 png_encoder_select="huffyuvencdsp zlib"
2299 prores_decoder_select="blockdsp idctdsp"
2300 prores_encoder_select="fdctdsp"
2301 qcelp_decoder_select="lsp"
2302 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2303 ra_144_encoder_select="audio_frame_queue lpc audiodsp"
2304 ra_144_decoder_select="audiodsp"
2305 ralf_decoder_select="golomb"
2306 rawvideo_decoder_select="bswapdsp"
2307 rtjpeg_decoder_select="me_cmp"
2308 rv10_decoder_select="h263_decoder"
2309 rv10_encoder_select="h263_encoder"
2310 rv20_decoder_select="h263_decoder"
2311 rv20_encoder_select="h263_encoder"
2312 rv30_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2313 rv40_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2314 shorten_decoder_select="golomb"
2315 sipr_decoder_select="lsp"
2316 snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"
2317 snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"
2318 sonic_decoder_select="golomb rangecoder"
2319 sonic_encoder_select="golomb rangecoder"
2320 sonic_ls_encoder_select="golomb rangecoder"
2321 sp5x_decoder_select="mjpeg_decoder"
2322 svq1_decoder_select="hpeldsp"
2323 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2324 svq3_decoder_select="h264_decoder hpeldsp tpeldsp"
2325 svq3_decoder_suggest="zlib"
2326 tak_decoder_select="audiodsp"
2327 tdsc_decoder_select="zlib mjpeg_decoder"
2328 theora_decoder_select="vp3_decoder"
2329 thp_decoder_select="mjpeg_decoder"
2330 tiff_decoder_suggest="zlib lzma"
2331 tiff_encoder_suggest="zlib"
2332 truehd_decoder_select="mlp_parser"
2333 truemotion2_decoder_select="bswapdsp"
2334 truespeech_decoder_select="bswapdsp"
2335 tscc_decoder_select="zlib"
2336 twinvq_decoder_select="mdct lsp sinewin"
2337 txd_decoder_select="texturedsp"
2338 utvideo_decoder_select="bswapdsp"
2339 utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"
2340 vble_decoder_select="huffyuvdsp"
2341 vc1_decoder_select="blockdsp h263_decoder h264qpel intrax8 qpeldsp startcode"
2342 vc1image_decoder_select="vc1_decoder"
2343 vc1_qsv_decoder_deps="libmfx"
2344 vc1_qsv_decoder_select="qsvdec vc1_qsv_hwaccel"
2345 vorbis_decoder_select="mdct"
2346 vorbis_encoder_select="mdct"
2347 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2348 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"
2349 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"
2350 vp6a_decoder_select="vp6_decoder"
2351 vp6f_decoder_select="vp6_decoder"
2352 vp7_decoder_select="h264pred videodsp vp8dsp"
2353 vp8_decoder_select="h264pred videodsp vp8dsp"
2354 vp9_decoder_select="videodsp vp9_parser"
2355 webp_decoder_select="vp8_decoder"
2356 wmalossless_decoder_select="llauddsp"
2357 wmapro_decoder_select="mdct sinewin wma_freqs"
2358 wmav1_decoder_select="mdct sinewin wma_freqs"
2359 wmav1_encoder_select="mdct sinewin wma_freqs"
2360 wmav2_decoder_select="mdct sinewin wma_freqs"
2361 wmav2_encoder_select="mdct sinewin wma_freqs"
2362 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2363 wmv1_decoder_select="h263_decoder"
2364 wmv1_encoder_select="h263_encoder"
2365 wmv2_decoder_select="blockdsp h263_decoder idctdsp intrax8 videodsp wmv2dsp"
2366 wmv2_encoder_select="h263_encoder wmv2dsp"
2367 wmv3_decoder_select="vc1_decoder"
2368 wmv3image_decoder_select="wmv3_decoder"
2369 zerocodec_decoder_select="zlib"
2370 zlib_decoder_select="zlib"
2371 zlib_encoder_select="zlib"
2372 zmbv_decoder_select="zlib"
2373 zmbv_encoder_select="zlib"
2375 # hardware accelerators
2376 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
2377 d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder"
2378 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode"
2379 vaapi_deps="va_va_h"
2380 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads CoreServices_CoreServices_h"
2381 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore -framework CoreServices"
2382 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
2383 videotoolbox_deps="VideoToolbox_VideoToolbox_h pthreads CoreServices_CoreServices_h"
2384 videotoolbox_extralibs="-framework CoreFoundation -framework VideoToolbox -framework CoreMedia -framework QuartzCore -framework CoreServices"
2385 xvmc_deps="X11_extensions_XvMClib_h"
2387 h263_vaapi_hwaccel_deps="vaapi"
2388 h263_vaapi_hwaccel_select="h263_decoder"
2389 h263_vdpau_hwaccel_deps="vdpau"
2390 h263_vdpau_hwaccel_select="h263_decoder"
2391 h263_videotoolbox_hwaccel_deps="videotoolbox"
2392 h263_videotoolbox_hwaccel_select="h263_decoder"
2393 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
2394 h264_d3d11va_hwaccel_deps="d3d11va"
2395 h264_d3d11va_hwaccel_select="h264_decoder"
2396 h264_dxva2_hwaccel_deps="dxva2"
2397 h264_dxva2_hwaccel_select="h264_decoder"
2398 h264_mmal_decoder_deps="mmal"
2399 h264_mmal_hwaccel_deps="mmal"
2400 h264_mmal_decoder_select="h264_decoder"
2401 h264_mmal_encoder_deps="mmal"
2402 h264_qsv_hwaccel_deps="libmfx"
2403 h264_vaapi_hwaccel_deps="vaapi"
2404 h264_vaapi_hwaccel_select="h264_decoder"
2405 h264_vda_decoder_deps="vda"
2406 h264_vda_decoder_select="h264_decoder"
2407 h264_vda_hwaccel_deps="vda"
2408 h264_vda_hwaccel_select="h264_decoder"
2409 h264_vda_old_hwaccel_deps="vda"
2410 h264_vda_old_hwaccel_select="h264_decoder"
2411 h264_vdpau_decoder_deps="vdpau"
2412 h264_vdpau_decoder_select="h264_decoder"
2413 h264_vdpau_hwaccel_deps="vdpau"
2414 h264_vdpau_hwaccel_select="h264_decoder"
2415 h264_videotoolbox_hwaccel_deps="videotoolbox"
2416 h264_videotoolbox_hwaccel_select="h264_decoder"
2417 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2418 hevc_d3d11va_hwaccel_select="hevc_decoder"
2419 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2420 hevc_dxva2_hwaccel_select="hevc_decoder"
2421 hevc_qsv_hwaccel_deps="libmfx"
2422 hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"
2423 hevc_vdpau_hwaccel_select="hevc_decoder"
2424 mpeg_vdpau_decoder_deps="vdpau"
2425 mpeg_vdpau_decoder_select="mpeg2video_decoder"
2426 mpeg_xvmc_hwaccel_deps="xvmc"
2427 mpeg_xvmc_hwaccel_select="mpeg2video_decoder"
2428 mpeg1_vdpau_decoder_deps="vdpau"
2429 mpeg1_vdpau_decoder_select="mpeg1video_decoder"
2430 mpeg1_vdpau_hwaccel_deps="vdpau"
2431 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2432 mpeg1_videotoolbox_hwaccel_deps="videotoolbox"
2433 mpeg1_videotoolbox_hwaccel_select="mpeg1video_decoder"
2434 mpeg1_xvmc_hwaccel_deps="xvmc"
2435 mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"
2436 mpeg2_crystalhd_decoder_select="crystalhd"
2437 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2438 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2439 mpeg2_dxva2_hwaccel_deps="dxva2"
2440 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2441 mpeg2_qsv_hwaccel_deps="libmfx"
2442 mpeg2_qsv_hwaccel_select="qsvdec_mpeg2"
2443 mpeg2_vaapi_hwaccel_deps="vaapi"
2444 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2445 mpeg2_vdpau_hwaccel_deps="vdpau"
2446 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2447 mpeg2_videotoolbox_hwaccel_deps="videotoolbox"
2448 mpeg2_videotoolbox_hwaccel_select="mpeg2video_decoder"
2449 mpeg2_xvmc_hwaccel_deps="xvmc"
2450 mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"
2451 mpeg4_crystalhd_decoder_select="crystalhd"
2452 mpeg4_vaapi_hwaccel_deps="vaapi"
2453 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2454 mpeg4_vdpau_decoder_deps="vdpau"
2455 mpeg4_vdpau_decoder_select="mpeg4_decoder"
2456 mpeg4_vdpau_hwaccel_deps="vdpau"
2457 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2458 mpeg4_videotoolbox_hwaccel_deps="videotoolbox"
2459 mpeg4_videotoolbox_hwaccel_select="mpeg4_decoder"
2460 msmpeg4_crystalhd_decoder_select="crystalhd"
2461 vc1_crystalhd_decoder_select="crystalhd"
2462 vc1_d3d11va_hwaccel_deps="d3d11va"
2463 vc1_d3d11va_hwaccel_select="vc1_decoder"
2464 vc1_dxva2_hwaccel_deps="dxva2"
2465 vc1_dxva2_hwaccel_select="vc1_decoder"
2466 vc1_vaapi_hwaccel_deps="vaapi"
2467 vc1_vaapi_hwaccel_select="vc1_decoder"
2468 vc1_vdpau_decoder_deps="vdpau"
2469 vc1_vdpau_decoder_select="vc1_decoder"
2470 vc1_vdpau_hwaccel_deps="vdpau"
2471 vc1_vdpau_hwaccel_select="vc1_decoder"
2472 vc1_qsv_hwaccel_deps="libmfx"
2473 vc1_qsv_hwaccel_select="qsvdec_vc1"
2474 wmv3_crystalhd_decoder_select="crystalhd"
2475 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2476 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2477 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2478 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2479 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2482 h264_parser_select="h264_decoder"
2483 hevc_parser_select="golomb"
2484 mpegvideo_parser_select="mpegvideo"
2485 mpeg4video_parser_select="h263dsp mpegvideo qpeldsp"
2486 vc1_parser_select="mpegvideo startcode vc1_decoder"
2489 mjpeg2jpeg_bsf_select="jpegtables"
2491 # external libraries
2492 libaacplus_encoder_deps="libaacplus"
2493 libcelt_decoder_deps="libcelt"
2494 libdcadec_decoder_deps="libdcadec"
2495 libfaac_encoder_deps="libfaac"
2496 libfaac_encoder_select="audio_frame_queue"
2497 libfdk_aac_decoder_deps="libfdk_aac"
2498 libfdk_aac_encoder_deps="libfdk_aac"
2499 libfdk_aac_encoder_select="audio_frame_queue"
2500 libgme_demuxer_deps="libgme"
2501 libgsm_decoder_deps="libgsm"
2502 libgsm_encoder_deps="libgsm"
2503 libgsm_ms_decoder_deps="libgsm"
2504 libgsm_ms_encoder_deps="libgsm"
2505 libilbc_decoder_deps="libilbc"
2506 libilbc_encoder_deps="libilbc"
2507 libkvazaar_encoder_deps="libkvazaar"
2508 libmodplug_demuxer_deps="libmodplug"
2509 libmp3lame_encoder_deps="libmp3lame"
2510 libmp3lame_encoder_select="audio_frame_queue"
2511 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2512 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2513 libopencore_amrnb_encoder_select="audio_frame_queue"
2514 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2515 libopenh264_encoder_deps="libopenh264"
2516 libopenjpeg_decoder_deps="libopenjpeg"
2517 libopenjpeg_encoder_deps="libopenjpeg"
2518 libopus_decoder_deps="libopus"
2519 libopus_encoder_deps="libopus"
2520 libopus_encoder_select="audio_frame_queue"
2521 libquvi_demuxer_deps="libquvi"
2522 libschroedinger_decoder_deps="libschroedinger"
2523 libschroedinger_encoder_deps="libschroedinger"
2524 libshine_encoder_deps="libshine"
2525 libshine_encoder_select="audio_frame_queue"
2526 libspeex_decoder_deps="libspeex"
2527 libspeex_encoder_deps="libspeex"
2528 libspeex_encoder_select="audio_frame_queue"
2529 libstagefright_h264_decoder_deps="libstagefright_h264"
2530 libtheora_encoder_deps="libtheora"
2531 libtwolame_encoder_deps="libtwolame"
2532 libvo_aacenc_encoder_deps="libvo_aacenc"
2533 libvo_aacenc_encoder_select="audio_frame_queue"
2534 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2535 libvorbis_decoder_deps="libvorbis"
2536 libvorbis_encoder_deps="libvorbis"
2537 libvorbis_encoder_select="audio_frame_queue"
2538 libvpx_vp8_decoder_deps="libvpx"
2539 libvpx_vp8_encoder_deps="libvpx"
2540 libvpx_vp9_decoder_deps="libvpx"
2541 libvpx_vp9_encoder_deps="libvpx"
2542 libwavpack_encoder_deps="libwavpack"
2543 libwebp_encoder_deps="libwebp"
2544 libwebp_anim_encoder_deps="libwebp"
2545 libx262_encoder_deps="libx262"
2546 libx264_encoder_deps="libx264"
2547 libx264rgb_encoder_deps="libx264"
2548 libx264rgb_encoder_select="libx264_encoder"
2549 libx265_encoder_deps="libx265"
2550 libxavs_encoder_deps="libxavs"
2551 libxvid_encoder_deps="libxvid"
2552 libutvideo_decoder_deps="libutvideo"
2553 libutvideo_encoder_deps="libutvideo"
2554 libzvbi_teletext_decoder_deps="libzvbi"
2555 nvenc_encoder_deps="nvenc"
2556 nvenc_h264_encoder_deps="nvenc"
2557 nvenc_hevc_encoder_deps="nvenc"
2560 ac3_demuxer_select="ac3_parser"
2561 asf_demuxer_select="riffdec"
2562 asf_o_demuxer_select="riffdec"
2563 asf_muxer_select="riffenc"
2564 asf_stream_muxer_select="asf_muxer"
2565 avi_demuxer_select="riffdec exif"
2566 avi_muxer_select="riffenc"
2567 avisynth_demuxer_deps="avisynth"
2568 avisynth_demuxer_select="riffdec"
2569 caf_demuxer_select="riffdec"
2570 dash_muxer_select="mp4_muxer"
2571 dirac_demuxer_select="dirac_parser"
2572 dts_demuxer_select="dca_parser"
2573 dtshd_demuxer_select="dca_parser"
2574 dv_demuxer_select="dvprofile"
2575 dv_muxer_select="dvprofile"
2576 dxa_demuxer_select="riffdec"
2577 eac3_demuxer_select="ac3_parser"
2578 f4v_muxer_select="mov_muxer"
2579 flac_demuxer_select="flac_parser"
2580 hds_muxer_select="flv_muxer"
2581 hls_muxer_select="mpegts_muxer"
2582 image2_alias_pix_demuxer_select="image2_demuxer"
2583 image2_brender_pix_demuxer_select="image2_demuxer"
2584 ipod_muxer_select="mov_muxer"
2585 ismv_muxer_select="mov_muxer"
2586 libnut_demuxer_deps="libnut"
2587 libnut_muxer_deps="libnut"
2588 matroska_audio_muxer_select="matroska_muxer"
2589 matroska_demuxer_select="riffdec"
2590 matroska_demuxer_suggest="bzlib lzo zlib"
2591 matroska_muxer_select="riffenc"
2592 mmf_muxer_select="riffenc"
2593 mov_demuxer_select="riffdec"
2594 mov_demuxer_suggest="zlib"
2595 mov_muxer_select="riffenc rtpenc_chain"
2596 mp3_demuxer_select="mpegaudio_parser"
2597 mp4_muxer_select="mov_muxer"
2598 mpegts_muxer_select="adts_muxer latm_muxer"
2599 mpegtsraw_demuxer_select="mpegts_demuxer"
2600 mxf_d10_muxer_select="mxf_muxer"
2601 mxf_opatom_muxer_select="mxf_muxer"
2602 nut_muxer_select="riffenc"
2603 nuv_demuxer_select="riffdec"
2604 oga_muxer_select="ogg_muxer"
2605 ogg_demuxer_select="golomb"
2606 opus_muxer_select="ogg_muxer"
2607 psp_muxer_select="mov_muxer"
2608 rtp_demuxer_select="sdp_demuxer"
2609 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol"
2610 rtsp_demuxer_select="http_protocol rtpdec"
2611 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2612 sap_demuxer_select="sdp_demuxer"
2613 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2614 sdp_demuxer_select="rtpdec"
2615 smoothstreaming_muxer_select="ismv_muxer"
2616 spdif_muxer_select="aac_parser"
2617 spx_muxer_select="ogg_muxer"
2618 tak_demuxer_select="tak_parser"
2619 tg2_muxer_select="mov_muxer"
2620 tgp_muxer_select="mov_muxer"
2621 vobsub_demuxer_select="mpegps_demuxer"
2622 w64_demuxer_select="wav_demuxer"
2623 w64_muxer_select="wav_muxer"
2624 wav_demuxer_select="riffdec"
2625 wav_muxer_select="riffenc"
2626 webm_muxer_select="riffenc"
2627 webm_muxer_suggest="libopus_encoder libvorbis_encoder libvpx_vp8_encoder libvpx_vp9_encoder"
2628 wtv_demuxer_select="riffdec"
2629 wtv_muxer_select="riffenc"
2630 xmv_demuxer_select="riffdec"
2631 xwma_demuxer_select="riffdec"
2634 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2635 alsa_outdev_deps="alsa_asoundlib_h"
2636 avfoundation_indev_extralibs="-framework CoreVideo -framework Foundation -framework AVFoundation -framework CoreMedia"
2637 avfoundation_indev_select="avfoundation"
2638 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2639 caca_outdev_deps="libcaca"
2640 decklink_outdev_deps="decklink pthreads"
2641 decklink_outdev_extralibs="-lstdc++"
2642 decklink_indev_deps="decklink pthreads"
2643 decklink_indev_extralibs="-lstdc++"
2644 dshow_indev_deps="IBaseFilter"
2645 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"
2646 dv1394_indev_deps="dv1394"
2647 dv1394_indev_select="dv_demuxer"
2648 fbdev_indev_deps="linux_fb_h"
2649 fbdev_outdev_deps="linux_fb_h"
2650 gdigrab_indev_deps="CreateDIBSection"
2651 gdigrab_indev_extralibs="-lgdi32"
2652 gdigrab_indev_select="bmp_decoder"
2653 iec61883_indev_deps="libiec61883"
2654 jack_indev_deps="jack_jack_h sem_timedwait"
2655 lavfi_indev_deps="avfilter"
2656 libcdio_indev_deps="libcdio"
2657 libdc1394_indev_deps="libdc1394"
2658 libv4l2_indev_deps="libv4l2"
2659 openal_indev_deps="openal"
2660 opengl_outdev_deps="opengl"
2661 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2662 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2663 pulse_indev_deps="libpulse"
2664 pulse_outdev_deps="libpulse"
2665 qtkit_indev_extralibs="-framework QTKit -framework Foundation -framework QuartzCore"
2666 qtkit_indev_select="qtkit"
2667 sdl_outdev_deps="sdl"
2668 sndio_indev_deps="sndio_h"
2669 sndio_outdev_deps="sndio_h"
2670 v4l_indev_deps="linux_videodev_h"
2671 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2672 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
2673 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2674 vfwcap_indev_extralibs="-lavicap32"
2675 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
2676 xv_outdev_extralibs="-lXv -lX11 -lXext"
2677 x11grab_indev_deps="x11grab"
2678 x11grab_xcb_indev_deps="libxcb"
2681 async_protocol_deps="pthreads"
2682 bluray_protocol_deps="libbluray"
2683 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2684 ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"
2685 ffrtmpcrypt_protocol_select="tcp_protocol"
2686 ffrtmphttp_protocol_deps="!librtmp_protocol"
2687 ffrtmphttp_protocol_select="http_protocol"
2688 ftp_protocol_select="tcp_protocol"
2689 gopher_protocol_select="network"
2690 http_protocol_select="tcp_protocol"
2691 httpproxy_protocol_select="tcp_protocol"
2692 https_protocol_select="tls_protocol"
2693 icecast_protocol_select="http_protocol"
2694 librtmp_protocol_deps="librtmp"
2695 librtmpe_protocol_deps="librtmp"
2696 librtmps_protocol_deps="librtmp"
2697 librtmpt_protocol_deps="librtmp"
2698 librtmpte_protocol_deps="librtmp"
2699 libsmbclient_protocol_deps="libsmbclient gplv3"
2700 libssh_protocol_deps="libssh"
2701 mmsh_protocol_select="http_protocol"
2702 mmst_protocol_select="network"
2703 rtmp_protocol_deps="!librtmp_protocol"
2704 rtmp_protocol_select="tcp_protocol"
2705 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2706 rtmps_protocol_deps="!librtmp_protocol"
2707 rtmps_protocol_select="tls_protocol"
2708 rtmpt_protocol_select="ffrtmphttp_protocol"
2709 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2710 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2711 rtp_protocol_select="udp_protocol"
2712 sctp_protocol_deps="struct_sctp_event_subscribe"
2713 sctp_protocol_select="network"
2714 srtp_protocol_select="rtp_protocol"
2715 tcp_protocol_select="network"
2716 tls_gnutls_protocol_deps="gnutls !tls_securetransport_protocol"
2717 tls_gnutls_protocol_select="tcp_protocol"
2718 tls_openssl_protocol_deps="openssl !tls_securetransport_protocol !tls_gnutls_protocol"
2719 tls_openssl_protocol_select="tcp_protocol"
2720 tls_securetransport_protocol_deps="securetransport"
2721 tls_securetransport_protocol_select="tcp_protocol"
2722 tls_protocol_deps_any="tls_securetransport_protocol tls_gnutls_protocol tls_openssl_protocol"
2723 udp_protocol_select="network"
2724 udplite_protocol_select="network"
2725 unix_protocol_deps="sys_un_h"
2726 unix_protocol_select="network"
2729 amovie_filter_deps="avcodec avformat"
2730 aresample_filter_deps="swresample"
2731 ass_filter_deps="libass"
2732 asyncts_filter_deps="avresample"
2733 atempo_filter_deps="avcodec"
2734 atempo_filter_select="rdft"
2735 azmq_filter_deps="libzmq"
2736 blackframe_filter_deps="gpl"
2737 boxblur_filter_deps="gpl"
2738 bs2b_filter_deps="libbs2b"
2739 colormatrix_filter_deps="gpl"
2740 cover_rect_filter_deps="avcodec avformat gpl"
2741 cropdetect_filter_deps="gpl"
2742 delogo_filter_deps="gpl"
2743 deshake_filter_select="pixelutils"
2744 drawtext_filter_deps="libfreetype"
2745 dynaudnorm_filter_deps="copysign erf"
2746 ebur128_filter_deps="gpl"
2747 eq_filter_deps="gpl"
2748 fftfilt_filter_deps="avcodec"
2749 fftfilt_filter_select="rdft"
2750 flite_filter_deps="libflite"
2751 find_rect_filter_deps="avcodec avformat gpl"
2752 frei0r_filter_deps="frei0r dlopen"
2753 frei0r_src_filter_deps="frei0r dlopen"
2754 fspp_filter_deps="gpl"
2755 geq_filter_deps="gpl"
2756 histeq_filter_deps="gpl"
2757 hqdn3d_filter_deps="gpl"
2758 interlace_filter_deps="gpl"
2759 kerndeint_filter_deps="gpl"
2760 ladspa_filter_deps="ladspa dlopen"
2761 mcdeint_filter_deps="avcodec gpl"
2762 movie_filter_deps="avcodec avformat"
2763 mpdecimate_filter_deps="gpl"
2764 mpdecimate_filter_select="pixelutils"
2765 mptestsrc_filter_deps="gpl"
2766 negate_filter_deps="lut_filter"
2767 perspective_filter_deps="gpl"
2768 pp7_filter_deps="gpl"
2769 ocv_filter_deps="libopencv"
2770 owdenoise_filter_deps="gpl"
2771 pan_filter_deps="swresample"
2772 phase_filter_deps="gpl"
2773 pp_filter_deps="gpl postproc"
2774 pullup_filter_deps="gpl"
2775 removelogo_filter_deps="avcodec avformat swscale"
2776 repeatfields_filter_deps="gpl"
2777 resample_filter_deps="avresample"
2778 sab_filter_deps="gpl swscale"
2779 scale_filter_deps="swscale"
2780 scale2ref_filter_deps="swscale"
2781 select_filter_select="pixelutils"
2782 smartblur_filter_deps="gpl swscale"
2783 showcqt_filter_deps="avcodec"
2784 showcqt_filter_select="fft"
2785 showfreqs_filter_deps="avcodec"
2786 showfreqs_filter_select="fft"
2787 showspectrum_filter_deps="avcodec"
2788 showspectrum_filter_select="rdft"
2789 spp_filter_deps="gpl avcodec"
2790 spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"
2791 stereo3d_filter_deps="gpl"
2792 subtitles_filter_deps="avformat avcodec libass"
2793 super2xsai_filter_deps="gpl"
2794 tinterlace_filter_deps="gpl"
2795 vidstabdetect_filter_deps="libvidstab"
2796 vidstabtransform_filter_deps="libvidstab"
2797 pixfmts_super2xsai_test_deps="super2xsai_filter"
2798 tinterlace_merge_test_deps="tinterlace_filter"
2799 tinterlace_pad_test_deps="tinterlace_filter"
2800 uspp_filter_deps="gpl avcodec"
2801 zmq_filter_deps="libzmq"
2802 zoompan_filter_deps="swscale"
2805 avio_reading="avformat avcodec avutil"
2806 avio_dir_cmd="avformat avutil"
2807 avcodec_example_deps="avcodec avutil"
2808 decoding_encoding_example_deps="avcodec avformat avutil"
2809 demuxing_decoding_example_deps="avcodec avformat avutil"
2810 extract_mvs_example_deps="avcodec avformat avutil"
2811 filter_audio_example_deps="avfilter avutil"
2812 filtering_audio_example_deps="avfilter avcodec avformat avutil"
2813 filtering_video_example_deps="avfilter avcodec avformat avutil"
2814 metadata_example_deps="avformat avutil"
2815 muxing_example_deps="avcodec avformat avutil swscale"
2816 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder vaapi_x11"
2817 remuxing_example_deps="avcodec avformat avutil"
2818 resampling_audio_example_deps="avutil swresample"
2819 scaling_video_example_deps="avutil swscale"
2820 transcode_aac_example_deps="avcodec avformat swresample"
2821 transcoding_example_deps="avfilter avcodec avformat avutil"
2823 # libraries, in linking order
2824 avcodec_deps="avutil"
2825 avdevice_deps="avformat avcodec avutil"
2826 avfilter_deps="avutil"
2827 avformat_deps="avcodec avutil"
2828 avresample_deps="avutil"
2829 postproc_deps="avutil gpl"
2830 swresample_deps="avutil"
2831 swscale_deps="avutil"
2834 ffmpeg_deps="avcodec avfilter avformat swresample"
2835 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
2837 setpts_filter trim_filter"
2838 ffplay_deps="avcodec avformat swscale swresample sdl"
2839 ffplay_libs='$sdl_libs'
2840 ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"
2841 ffprobe_deps="avcodec avformat"
2842 ffserver_deps="avformat fork sarestart"
2843 ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
2846 podpages_deps="perl"
2847 manpages_deps="perl pod2man"
2848 htmlpages_deps="perl"
2849 htmlpages_deps_any="makeinfo_html texi2html"
2850 txtpages_deps="perl makeinfo"
2851 doc_deps_any="manpages htmlpages podpages txtpages"
2853 # default parameters
2855 logfile="config.log"
2857 # installation paths
2858 prefix_default="/usr/local"
2859 bindir_default='${prefix}/bin'
2860 datadir_default='${prefix}/share/ffmpeg'
2861 docdir_default='${prefix}/share/doc/ffmpeg'
2862 incdir_default='${prefix}/include'
2863 libdir_default='${prefix}/lib'
2864 mandir_default='${prefix}/share/man'
2870 host_cc_default="gcc"
2872 doxygen_default="doxygen"
2877 pkg_config_default=pkg-config
2878 ranlib_default="ranlib"
2879 strip_default="strip"
2880 yasmexe_default="yasm"
2881 windres_default="windres"
2884 target_os_default=$(tolower $(uname -s))
2885 host_os=$target_os_default
2888 if test "$target_os_default" = aix; then
2889 arch_default=$(uname -p)
2890 strip_default="strip -X32_64"
2892 arch_default=$(uname -m)
2897 # configurable options
2898 enable $PROGRAM_LIST
2899 enable $DOCUMENT_LIST
2900 enable $EXAMPLE_LIST
2901 enable $(filter_out avresample $LIBRARY_LIST)
2907 enable faan faandct faanidct
2908 enable optimizations
2909 enable runtime_cpudetect
2910 enable safe_bitstream_reader
2912 enable swscale_alpha
2913 enable valgrind_backtrace
2915 sws_max_filter_size_default=256
2916 set_default sws_max_filter_size
2918 # Enable hwaccels by default.
2919 enable d3d11va dxva2 vaapi vda vdpau videotoolbox xvmc
2923 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2926 FULLNAME='$(NAME)$(BUILDSUF)'
2927 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2930 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2931 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2932 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2933 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2934 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2935 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2957 host_cflags_filter=echo
2958 host_ldflags_filter=echo
2960 target_path='$(CURDIR)'
2962 # since the object filename is not given with the -MM flag, the compiler
2963 # is only able to print the basename, and we must add the path ourselves
2964 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2968 if test -f configure; then
2971 source_path=$(cd $(dirname "$0"); pwd)
2972 case "$source_path" in
2973 *[[:blank:]]*) die "Out of tree builds are impossible with whitespace in source path." ;;
2975 test -e "$source_path/config.h" &&
2976 die "Out of tree builds are impossible with config.h in source dir."
2983 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
2989 file=$source_path/$3
2990 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2993 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2994 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2995 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2996 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2997 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
2998 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2999 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
3000 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
3001 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
3002 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
3003 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
3019 for n in $COMPONENT_LIST; do
3020 v=$(toupper ${n%s})_LIST
3022 eval ${n}_if_any="\$$v"
3025 enable $ARCH_EXT_LIST
3028 echo "Unknown option \"$1\"."
3029 echo "See $0 --help for available options."
3034 cat | tr ' ' '\n' | sort | pr -r -3 -t
3040 echo $* | sed s/$suffix//g | print_3_columns
3052 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
3053 echo "prob ${prob:-0.5}"
3061 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
3062 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
3071 --extra-ldexeflags=*)
3072 add_ldexeflags $optval
3074 --extra-ldlibflags=*)
3075 add_ldlibflags $optval
3078 add_extralibs $optval
3081 disable $INDEV_LIST $OUTDEV_LIST
3084 debuglevel="$optval"
3087 disable $PROGRAM_LIST
3089 --disable-everything)
3090 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3093 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3094 disable $LIBRARY_LIST $PROGRAM_LIST doc
3096 --enable-random|--disable-random)
3097 action=${opt%%-random}
3098 do_random ${action#--} $COMPONENT_LIST
3100 --enable-random=*|--disable-random=*)
3101 action=${opt%%-random=*}
3102 do_random ${action#--} $optval
3104 --enable-*=*|--disable-*=*)
3105 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
3106 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
3107 eval list=\$$(toupper $thing)_LIST
3108 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
3109 list=$(filter "$name" $list)
3110 [ "$list" = "" ] && warn "Option $opt did not match anything"
3113 --enable-?*|--disable-?*)
3114 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
3115 if is_in $option $COMPONENT_LIST; then
3116 test $action = disable && action=unset
3117 eval $action \$$(toupper ${option%s})_LIST
3118 elif is_in $option $CMDLINE_SELECT; then
3125 NAME="${opt#--list-}"
3126 is_in $NAME $COMPONENT_LIST || die_unknown $opt
3128 eval show_list $NAME \$$(toupper $NAME)_LIST
3130 --help|-h) show_help
3132 --fatal-warnings) enable fatal_warnings
3135 optname="${opt%%=*}"
3136 optname="${optname#--}"
3137 optname=$(echo "$optname" | sed 's/-/_/g')
3138 if is_in $optname $CMDLINE_SET; then
3139 eval $optname='$optval'
3140 elif is_in $optname $CMDLINE_APPEND; then
3141 append $optname "$optval"
3153 disabled logging && logfile=/dev/null
3155 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
3158 test -n "$valgrind" && toolchain="valgrind-memcheck"
3160 case "$toolchain" in
3163 add_cflags -fsanitize=address
3164 add_ldflags -fsanitize=address
3168 add_cflags -fsanitize=thread -pie
3169 add_ldflags -fsanitize=thread -pie
3173 add_cflags -fsanitize=undefined
3174 add_ldflags -fsanitize=undefined
3178 add_cflags -fsanitize=address
3179 add_ldflags -fsanitize=address
3183 add_cflags -fsanitize=thread -pie -fPIC
3184 add_ldflags -fsanitize=thread -pie -fPIC
3188 add_cflags -fsanitize=undefined
3189 add_ldflags -fsanitize=undefined
3192 target_exec_default=${valgrind:-"valgrind"}
3193 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"
3196 target_exec_default=${valgrind:-"valgrind"}
3197 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
3200 # Check whether the current MSVC version needs the C99 converter.
3201 # From MSVC 2013 (compiler major version 18) onwards, it does actually
3202 # support enough of C99 to build ffmpeg. Default to the new
3203 # behaviour if the regexp was unable to match anything, since this
3204 # successfully parses the version number of existing supported
3205 # versions that require the converter (MSVC 2010 and 2012).
3206 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
3207 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
3210 cc_default="c99wrap cl"
3212 ld_default="$source_path/compat/windows/mslink"
3213 nm_default="dumpbin -symbols"
3220 target_os_default="win32"
3221 # Use a relative path for TMPDIR. This makes sure all the
3222 # ffconf temp files are written with a relative path, avoiding
3223 # issues with msys/win32 path conversion for MSVC parameters
3224 # such as -Fo<file> or -out:<file>.
3230 nm_default="dumpbin -symbols"
3232 target_os_default="win32"
3236 add_cflags -fprofile-arcs -ftest-coverage
3237 add_ldflags -fprofile-arcs -ftest-coverage
3240 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
3241 add_cflags -fno-strict-overflow -fstack-protector-all
3242 add_ldflags -Wl,-z,relro -Wl,-z,now
3245 die "Unknown toolchain $toolchain"
3249 test -n "$cross_prefix" && enable cross_compile
3251 if enabled cross_compile; then
3252 test -n "$arch" && test -n "$target_os" ||
3253 die "Must specify target arch and OS when cross-compiling"
3256 ar_default="${cross_prefix}${ar_default}"
3257 cc_default="${cross_prefix}${cc_default}"
3258 cxx_default="${cross_prefix}${cxx_default}"
3259 nm_default="${cross_prefix}${nm_default}"
3260 pkg_config_default="${cross_prefix}${pkg_config_default}"
3261 if ${cross_prefix}${ranlib_default} 2>&1 | grep -q "\-D "; then
3262 ranlib_default="${cross_prefix}${ranlib_default} -D"
3264 ranlib_default="${cross_prefix}${ranlib_default}"
3266 strip_default="${cross_prefix}${strip_default}"
3267 windres_default="${cross_prefix}${windres_default}"
3269 sysinclude_default="${sysroot}/usr/include"
3271 set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \
3272 target_exec target_os yasmexe
3273 enabled cross_compile || host_cc_default=$cc
3276 pkg_config_fail_message=""
3277 if ! $pkg_config --version >/dev/null 2>&1; then
3278 warn "$pkg_config not found, library detection may fail."
3280 elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then
3281 pkg_config_fail_message="
3282 Note: When building a static binary, add --pkg-config-flags=\"--static\"."
3285 if test $doxygen != $doxygen_default && \
3286 ! $doxygen --version >/dev/null 2>&1; then
3287 warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."
3292 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
3296 EXESUF=$(exesuf $target_os)
3297 HOSTEXESUF=$(exesuf $host_os)
3299 # set temporary file name
3300 : ${TMPDIR:=$TEMPDIR}
3304 if [ -n "$tempprefix" ] ; then
3306 echo $tempprefix.${HOSTNAME}.${UID}
3308 elif ! check_cmd mktemp -u XXXXXX; then
3309 # simple replacement for missing mktemp
3310 # NOT SAFE FOR GENERAL USE
3312 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
3317 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
3318 (set -C; exec > $tmp) 2>/dev/null ||
3319 die "Unable to create temporary file in $TMPDIR."
3320 append TMPFILES $tmp
3324 trap 'rm -f -- $TMPFILES' EXIT
3329 tmpfile TMPE $EXESUF
3341 # make sure we can execute files in $TMPDIR
3342 cat > $TMPSH 2>> $logfile <<EOF
3345 chmod +x $TMPSH >> $logfile 2>&1
3346 if ! $TMPSH >> $logfile 2>&1; then
3348 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
3349 variable to another directory and make sure that it is not mounted noexec.
3351 die "Sanity test failed."
3357 # Filter out MSVC cl.exe options from cflags that shouldn't
3358 # be passed to gas-preprocessor
3368 -std=c99) echo -c99 ;;
3369 -mcpu=*) echo -arch ${flag#*=} ;;
3370 -mieee) echo -ieee ;;
3371 -O*|-fast) echo $flag ;;
3372 -fno-math-errno) echo -assume nomath_errno ;;
3374 -Wall) echo -msg_enable level2 ;;
3375 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
3376 -Wl,*) echo $flag ;;
3386 -Wno-switch) echo -Wno-switch-enum ;;
3387 -Wno-format-zero-length) ;;
3388 -Wdisabled-optimization) ;;
3389 -Wno-pointer-sign) echo -Wno-other ;;
3395 msvc_common_flags(){
3398 # In addition to specifying certain flags under the compiler
3399 # specific filters, they must be specified here as well or else the
3400 # generic catch all at the bottom will print the original flag.
3404 -fomit-frame-pointer) ;;
3408 -fno-signed-zeros) ;;
3412 -lz) echo zlib.lib ;;
3413 -lavifil32) echo vfw32.lib ;;
3414 -lavicap32) echo vfw32.lib user32.lib ;;
3415 -l*) echo ${flag#-l}.lib ;;
3416 -LARGEADDRESSAWARE) echo $flag ;;
3417 -L*) echo -libpath:${flag#-L} ;;
3424 msvc_common_flags "$@"
3427 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
3428 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
3429 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
3431 -wd4273 -wd4554 -wd4701 ;;
3437 msvc_common_flags "$@"
3440 # Despite what Intel's documentation says -Wall, which is supported
3441 # on Windows, does enable remarks so disable them here.
3442 -Wall) echo $flag -Qdiag-disable:remark ;;
3443 -std=c99) echo -Qstd=c99 ;;
3461 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
3462 -fomit-frame-pointer) echo -Mnoframe ;;
3473 case "${flag#*=}" in
3474 native) echo -xtarget=native ;;
3475 v9|niagara) echo -xarch=sparc ;;
3476 ultrasparc) echo -xarch=sparcvis ;;
3477 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
3478 i586|pentium) echo -xchip=pentium ;;
3479 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
3480 pentium3*|c3-2) echo -xtarget=pentium3 ;;
3481 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
3482 pentium4*) echo -xtarget=pentium4 ;;
3483 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
3484 *-sse3) echo -xarch=sse3 ;;
3485 core2) echo -xarch=ssse3 -xchip=core2 ;;
3486 bonnell) echo -xarch=ssse3 ;;
3487 corei7|nehalem) echo -xtarget=nehalem ;;
3488 westmere) echo -xtarget=westmere ;;
3489 silvermont) echo -xarch=sse4_2 ;;
3490 corei7-avx|sandybridge) echo -xtarget=sandybridge ;;
3491 core-avx*|ivybridge|haswell|broadwell)
3493 amdfam10|barcelona) echo -xtarget=barcelona ;;
3494 btver1) echo -xarch=amdsse4a ;;
3495 btver2|bdver*) echo -xarch=avx ;;
3496 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
3497 k8|opteron|athlon64|athlon-fx)
3498 echo -xarch=sse2a ;;
3499 athlon*) echo -xarch=pentium_proa ;;
3502 -std=c99) echo -xc99 ;;
3503 -fomit-frame-pointer) echo -xregs=frameptr ;;
3504 -fPIC) echo -KPIC -xcode=pic32 ;;
3505 -W*,*) echo $flag ;;
3506 -f*-*|-W*|-mimpure-text) ;;
3517 case "${flag#*=}" in
3518 armv7-a|cortex-a*) echo -mv=7a8 ;;
3519 armv7-r|cortex-r*) echo -mv=7r4 ;;
3520 armv7-m|cortex-m*) echo -mv=7m3 ;;
3521 armv6*|arm11*) echo -mv=6 ;;
3522 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
3524 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
3527 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
3528 -mfpu=vfp) echo --float_support=vfpv2 ;;
3529 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
3530 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
3531 -msoft-float) echo --float_support=vfplib ;;
3532 -O[0-3]|-mf=*) echo $flag ;;
3534 -pds=*) echo $flag ;;
3535 -D*|-I*) echo $flag ;;
3536 --gcc|--abi=*) echo $flag ;;
3547 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
3548 unset _ld_o _ldflags _ld_lib _ld_path
3549 unset _depflags _DEPCMD _DEPFLAGS
3552 if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
3553 true # no-op to avoid reading stdin in following checks
3554 elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
3556 gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')
3557 _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"
3558 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3561 elif $_cc -v 2>&1 | grep -qi ^gcc; then
3563 gcc_version=$($_cc --version | head -n1)
3564 gcc_basever=$($_cc -dumpversion)
3565 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
3566 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
3567 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
3568 case $gcc_basever in
3569 2*) _depflags='-MMD -MF $(@:.o=.d) -MT $@' ;;
3571 if [ "$first" = true ]; then
3572 case $gcc_basever in
3574 warn "gcc 4.2 is outdated and may miscompile FFmpeg. Please use a newer compiler." ;;
3579 elif $_cc --version 2>/dev/null | grep -q ^icc; then
3581 _ident=$($_cc --version | head -n1)
3586 _flags_filter=icc_flags
3587 elif $_cc -v 2>&1 | grep -q xlc; then
3589 _ident=$($_cc -qversion 2>/dev/null | head -n1)
3591 _cflags_size='-O5 -qcompact'
3592 elif $_cc -V 2>/dev/null | grep -q Compaq; then
3594 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
3596 _cflags_speed='-fast'
3598 _flags_filter=ccc_flags
3599 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
3600 test -d "$sysroot" || die "No valid sysroot specified."
3602 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
3603 armcc_conf="$PWD/armcc.conf"
3604 $_cc --arm_linux_configure \
3605 --arm_linux_config_file="$armcc_conf" \
3606 --configure_sysroot="$sysroot" \
3607 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
3608 die "Error creating armcc configuration file."
3609 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
3610 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
3611 as_default="${cross_prefix}gcc"
3615 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
3617 _ident=$($_cc -version | head -n1 | tr -s ' ')
3618 _flags='--gcc --abi=eabi -me'
3621 _depflags='-ppa -ppd=$(@:.o=.d)'
3622 _cflags_speed='-O3 -mf=5'
3623 _cflags_size='-O3 -mf=2'
3624 _flags_filter=tms470_flags
3625 elif $_cc -v 2>&1 | grep -q clang; then
3627 _ident=$($_cc --version 2>/dev/null | head -n1)
3628 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3631 elif $_cc -V 2>&1 | grep -q Sun; then
3633 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
3634 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3635 _DEPFLAGS='-xM1 -xc99'
3638 _cflags_size='-O5 -xspace'
3639 _flags_filter=suncc_flags
3640 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
3642 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3643 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3646 _flags_filter='filter_out -Wdisabled-optimization'
3647 elif $_cc -v 2>&1 | grep -q Open64; then
3649 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3650 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3653 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3654 elif $_cc -V 2>&1 | grep -q Portland; then
3656 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3657 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3658 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3659 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3661 _flags_filter=pgi_flags
3662 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
3664 _ident=$($_cc | head -n1)
3665 # 4509: "This form of conditional instruction is deprecated"
3666 _flags="-nologo -ignore 4509"
3667 _flags_filter=armasm_flags
3668 elif $_cc 2>&1 | grep -q Intel; then
3670 _ident=$($_cc 2>&1 | head -n1)
3671 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3672 # Not only is O3 broken on 13.x+ but it is slower on all previous
3673 # versions (tested) as well.
3675 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3676 if $_cc 2>&1 | grep -q Linker; then
3683 _flags_filter=icl_flags
3685 _ld_path='-libpath:'
3686 # -Qdiag-error to make icl error when seeing certain unknown arguments
3687 _flags='-nologo -Qdiag-error:4044,10157'
3688 # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency
3689 # with MSVC which enables it by default.
3690 _cflags='-D_USE_MATH_DEFINES -Qms0 -Qvec- -Qsimd- -GS -fp:precise'
3692 elif $_cc -nologo- 2>&1 | grep -q Microsoft; then
3694 _ident=$($_cc 2>&1 | head -n1)
3695 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3696 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3699 if $_cc -nologo- 2>&1 | grep -q Linker; then
3706 _flags_filter=msvc_flags
3708 _ld_path='-libpath:'
3710 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS'
3712 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3714 _ident=$($_cc --version | head -n1)
3718 _flags_filter=cparser_flags
3721 eval ${pfx}_type=\$_type
3722 eval ${pfx}_ident=\$_ident
3726 eval ${1}_C=\${_cc_c-\${${1}_C}}
3727 eval ${1}_E=\${_cc_e-\${${1}_E}}
3728 eval ${1}_O=\${_cc_o-\${${1}_O}}
3730 if [ -n "$_depflags" ]; then
3731 eval ${1}_DEPFLAGS=\$_depflags
3733 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3734 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3735 eval DEP${1}FLAGS=\$_flags
3739 probe_cc cc "$cc" "true"
3740 cflags_filter=$_flags_filter
3741 cflags_speed=$_cflags_speed
3742 cflags_size=$_cflags_size
3743 cflags_noopt=$_cflags_noopt
3744 add_cflags $_flags $_cflags
3745 cc_ldflags=$_ldflags
3748 probe_cc hostcc "$host_cc"
3749 host_cflags_filter=$_flags_filter
3750 add_host_cflags $_flags $_cflags
3753 test -n "$cc_type" && enable $cc_type ||
3754 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3756 : ${as_default:=$cc}
3757 : ${dep_cc_default:=$cc}
3758 : ${ld_default:=$cc}
3759 : ${host_ld_default:=$host_cc}
3760 set_default ar as dep_cc ld host_ld windres
3763 asflags_filter=$_flags_filter
3764 add_asflags $_flags $_cflags
3768 ldflags_filter=$_flags_filter
3769 add_ldflags $_flags $_ldflags
3770 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3772 LD_LIB=${_ld_lib-$LD_LIB}
3773 LD_PATH=${_ld_path-$LD_PATH}
3775 probe_cc hostld "$host_ld"
3776 host_ldflags_filter=$_flags_filter
3777 add_host_ldflags $_flags $_ldflags
3778 HOSTLD_O=${_ld_o-$HOSTLD_O}
3780 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3781 probe_cc depcc "$dep_cc"
3782 CCDEP=${_DEPCMD:-$DEPCMD}
3783 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3787 if $ar 2>&1 | grep -q Microsoft; then
3790 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3793 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3794 arflags='-Xany -r -c'
3796 elif $ar 2>&1 | grep -q "\[D\] "; then
3804 add_cflags $extra_cflags
3805 add_cxxflags $extra_cxxflags
3806 add_asflags $extra_cflags
3808 if test -n "$sysroot"; then
3811 add_cppflags --sysroot="$sysroot"
3812 add_ldflags --sysroot="$sysroot"
3813 # On Darwin --sysroot may be ignored, -isysroot always affects headers and linking
3814 add_cppflags -isysroot "$sysroot"
3815 add_ldflags -isysroot "$sysroot"
3818 add_cppflags -I"$sysinclude"
3819 add_ldflags --sysroot="$sysroot"
3824 if test "$cpu" = host; then
3825 enabled cross_compile &&
3826 die "--cpu=host makes no sense when cross-compiling."
3831 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3833 s/.*$1=\\([^ ]*\\).*/\\1/
3838 cpu=$(check_native -march || check_native -mcpu)
3842 test "${cpu:-host}" = host &&
3843 die "--cpu=host not supported with compiler $cc"
3846 # Deal with common $arch aliases
3860 "Power Macintosh"|ppc*|powerpc*)
3875 i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
3880 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3883 # Add processor-specific flags
3884 if enabled aarch64; then
3888 cpuflags="-march=$cpu"
3891 cpuflags="-mcpu=$cpu"
3895 elif enabled alpha; then
3897 cpuflags="-mcpu=$cpu"
3899 elif enabled arm; then
3902 check_cpp_condition stddef.h \
3903 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3908 if check_arm_arch 4; then echo armv4;
3909 elif check_arm_arch 4T; then echo armv4t;
3910 elif check_arm_arch 5; then echo armv5;
3911 elif check_arm_arch 5E; then echo armv5e;
3912 elif check_arm_arch 5T; then echo armv5t;
3913 elif check_arm_arch 5TE; then echo armv5te;
3914 elif check_arm_arch 5TEJ; then echo armv5te;
3915 elif check_arm_arch 6; then echo armv6;
3916 elif check_arm_arch 6J; then echo armv6j;
3917 elif check_arm_arch 6K; then echo armv6k;
3918 elif check_arm_arch 6Z; then echo armv6z;
3919 elif check_arm_arch 6ZK; then echo armv6zk;
3920 elif check_arm_arch 6T2; then echo armv6t2;
3921 elif check_arm_arch 7; then echo armv7;
3922 elif check_arm_arch 7A 7_A; then echo armv7-a;
3923 elif check_arm_arch 7S; then echo armv7-a;
3924 elif check_arm_arch 7R 7_R; then echo armv7-r;
3925 elif check_arm_arch 7M 7_M; then echo armv7-m;
3926 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
3927 elif check_arm_arch 8A 8_A; then echo armv8-a;
3931 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3935 cpuflags="-march=$cpu"
3936 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3939 cpuflags="-mcpu=$cpu"
3941 cortex-a*) subarch=armv7a ;;
3942 cortex-r*) subarch=armv7r ;;
3943 cortex-m*) enable thumb; subarch=armv7m ;;
3944 arm11*) subarch=armv6 ;;
3945 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3946 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3947 *) subarch=$(probe_arm_arch) ;;
3953 armv5t*) enable fast_clz ;;
3956 disabled fast_unaligned || enable fast_unaligned
3960 elif enabled avr32; then
3965 cpuflags="-mpart=$cpu"
3969 cpuflags="-march=$cpu"
3973 cpuflags="-mcpu=$cpu"
3977 cpuflags="-march=$cpu"
3981 elif enabled bfin; then
3983 cpuflags="-mcpu=$cpu"
3985 elif enabled mips; then
3987 cpuflags="-march=$cpu"
4012 24kef*|34kf*|1004kf*)
4034 check_cflags "-mtune=p5600"
4042 check_cflags "-mtune=i6400 -mabi=64"
4043 check_ldflags "-mabi=64"
4053 enable local_aligned_8 local_aligned_16 local_aligned_32
4054 enable simd_align_16
4058 enable fast_unaligned
4059 disable aligned_stack
4062 cpuflags="-march=loongson3a -mhard-float -fno-expensive-optimizations"
4065 cpuflags="-march=loongson2e -mhard-float -fno-expensive-optimizations"
4068 cpuflags="-march=loongson2f -mhard-float -fno-expensive-optimizations"
4079 elif enabled ppc; then
4083 case $(tolower $cpu) in
4084 601|ppc601|powerpc601)
4085 cpuflags="-mcpu=601"
4088 603*|ppc603*|powerpc603*)
4089 cpuflags="-mcpu=603"
4092 604*|ppc604*|powerpc604*)
4093 cpuflags="-mcpu=604"
4096 g3|75*|ppc75*|powerpc75*)
4097 cpuflags="-mcpu=750"
4100 g4|745*|ppc745*|powerpc745*)
4101 cpuflags="-mcpu=7450"
4104 74*|ppc74*|powerpc74*)
4105 cpuflags="-mcpu=7400"
4108 g5|970|ppc970|powerpc970)
4109 cpuflags="-mcpu=970"
4113 cpuflags="-mcpu=$cpu"
4117 cpuflags="-mcpu=$cpu"
4120 cpuflags="-mcpu=cell"
4125 cpuflags="-mcpu=e500mc"
4129 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
4134 cpuflags="-mcpu=8540 -mhard-float"
4140 elif enabled sparc; then
4143 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
4144 cpuflags="-mcpu=$cpu"
4146 ultrasparc*|niagara[234])
4147 cpuflags="-mcpu=$cpu"
4151 elif enabled x86; then
4155 cpuflags="-march=$cpu"
4159 # targets that do NOT support nopl and conditional mov (cmov)
4160 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
4161 cpuflags="-march=$cpu"
4164 # targets that do support nopl and conditional mov (cmov)
4165 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\
4166 |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|amdfam10|barcelona|b[dt]ver*)
4167 cpuflags="-march=$cpu"
4171 # targets that do support conditional mov but on which it's slow
4172 pentium4|pentium4m|prescott|nocona)
4173 cpuflags="-march=$cpu"
4181 if [ "$cpu" != generic ]; then
4182 add_cflags $cpuflags
4183 add_asflags $cpuflags
4186 # compiler sanity check
4188 int main(void){ return 0; }
4190 if test "$?" != 0; then
4191 echo "$cc is unable to create an executable file."
4192 if test -z "$cross_prefix" && ! enabled cross_compile ; then
4193 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
4194 echo "Only do this if you know what cross compiling means."
4196 die "C compiler test failed."
4199 add_cppflags -D_ISOC99_SOURCE
4200 add_cxxflags -D__STDC_CONSTANT_MACROS
4201 check_cflags -std=c99
4202 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
4205 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
4209 add_host_cppflags -D_ISOC99_SOURCE
4210 check_host_cflags -std=c99
4211 check_host_cflags -Wall
4212 check_host_cflags -O3
4218 check_code cc "" "int test[2*($expr) - 1]" &&
4219 subarch=$arch64 || subarch=$arch32
4227 check_64bit mips mips64 '_MIPS_SIM > 1'
4231 check_64bit parisc parisc64 'sizeof(void *) > 4'
4235 check_64bit ppc ppc64 'sizeof(void *) > 4'
4239 check_64bit s390 s390x 'sizeof(void *) > 4'
4243 check_64bit sparc sparc64 'sizeof(void *) > 4'
4247 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
4248 # Treat x32 as x64 for now. Note it also needs spic=$shared
4249 test "$subarch" = "x86_32" && check_cpp_condition stddef.h 'defined(__x86_64__)' &&
4251 if test "$subarch" = "x86_64"; then
4256 check_cc <<EOF && subarch="ppc64"
4257 int test[(int)sizeof(char*) - 7];
4263 enabled spic && enable_weak pic
4269 add_cppflags '-I\$(SRC_PATH)/compat/aix'
4270 enabled shared && add_ldflags -Wl,-brtl
4274 enable section_data_rel_ro
4275 SLIB_INSTALL_NAME='$(SLIBNAME)'
4277 # soname not set on purpose
4281 prefix_default="/boot/common"
4282 network_extralibs="-lnetwork"
4286 SHFLAGS='-shared -Wl,-h,$$(@F)'
4287 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
4288 network_extralibs="-lsocket -lnsl"
4289 add_cppflags -D__EXTENSIONS__
4290 # When using suncc to build, the Solaris linker will mark
4291 # an executable with each instruction set encountered by
4292 # the Solaris assembler. As our libraries contain their own
4293 # guards for processor-specific code, instead suppress
4294 # generation of the HWCAPS ELF section on Solaris x86 only.
4295 enabled_all suncc x86 &&
4296 echo "hwcap_1 = OVERRIDE;" > mapfile &&
4297 add_ldflags -Wl,-M,mapfile
4298 nm_default='nm -P -g'
4302 oss_indev_extralibs="-lossaudio"
4303 oss_outdev_extralibs="-lossaudio"
4304 enabled gcc || check_ldflags -Wl,-zmuldefs
4309 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
4311 oss_indev_extralibs="-lossaudio"
4312 oss_outdev_extralibs="-lossaudio"
4320 add_extralibs -lpoll -lgnugetopt
4324 enabled ppc && add_asflags -force_cpusubtype_ALL
4325 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
4326 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
4328 add_ldflags -Wl,-dynamic,-search_paths_first
4330 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
4331 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
4333 enabled x86_64 && objformat="macho64"
4334 enabled_any pic shared x86_64 ||
4335 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
4338 if test $target_os = "mingw32ce"; then
4343 decklink_outdev_extralibs="$decklink_outdev_extralibs -lole32 -loleaut32"
4344 decklink_indev_extralibs="$decklink_indev_extralibs -lole32 -loleaut32"
4346 if enabled x86_64; then
4347 LIBTARGET="i386:x86-64"
4348 elif enabled arm; then
4351 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
4352 check_ldflags -Wl,--nxcompat
4353 check_ldflags -Wl,--dynamicbase
4354 enabled x86_32 && check_ldflags -Wl,--large-address-aware
4355 shlibdir_default="$bindir_default"
4358 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4359 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4360 dlltool="${cross_prefix}dlltool"
4361 if check_cmd lib.exe -list; then
4362 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4363 if enabled x86_64; then
4366 elif check_cmd $dlltool --version; then
4367 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
4369 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4371 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4372 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4373 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
4380 if enabled shared; then
4381 # Link to the import library instead of the normal static library
4384 # Cannot build both shared and static libs with MSVC or icl.
4387 enabled x86_32 && check_ldflags -LARGEADDRESSAWARE
4388 shlibdir_default="$bindir_default"
4391 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4392 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4393 SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
4394 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4396 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4397 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4398 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4405 shlibdir_default="$bindir_default"
4408 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4409 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4410 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4412 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
4413 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
4416 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
4418 *-dos|freedos|opendos)
4419 network_extralibs="-lsocket"
4422 add_cppflags -U__STRICT_ANSI__
4426 enable section_data_rel_ro
4430 ranlib="echo ignoring ranlib"
4436 add_cppflags -D_GNU_SOURCE
4437 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
4438 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
4442 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
4443 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
4444 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
4445 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
4446 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
4447 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
4448 emxexp $(OBJS) >> $(SUBDIR)$(NAME).def'
4449 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
4450 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
4451 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
4453 enable_weak os2threads
4456 add_cppflags -D_BSD_SOURCE
4461 add_cppflags -D_QNX_SOURCE
4462 network_extralibs="-lsocket"
4467 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
4468 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
4469 add_ldflags -Wl,--target1-abs,--no-undefined \
4470 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
4471 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
4472 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
4473 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
4474 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
4477 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
4482 add_cppflags -D_C99_SNPRINTF_EXTENSION \
4483 -D_REENTRANT_SOURCE \
4484 -D_RESEARCH_SOURCE \
4487 add_compat strtod.o strtod=avpriv_strtod
4488 network_extralibs='-lbsd'
4489 exeobjs=compat/plan9/main.o
4496 die "Unknown OS '$target_os'."
4500 # determine libc flavour
4505 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
4506 if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
4507 eval ${pfx}libc_type=uclibc
4508 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4509 elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then
4510 eval ${pfx}libc_type=glibc
4511 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4512 # MinGW headers can be installed on Cygwin, so check for newlib first.
4513 elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
4514 eval ${pfx}libc_type=newlib
4515 add_${pfx}cppflags -U__STRICT_ANSI__
4516 # MinGW64 is backwards compatible with MinGW32, so check for it first.
4517 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
4518 eval ${pfx}libc_type=mingw64
4519 if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then
4520 add_compat msvcrt/snprintf.o
4521 add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
4523 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4524 eval test \$${pfx_no_}cc_type = "gcc" &&
4525 add_${pfx}cppflags -D__printf__=__gnu_printf__
4526 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" ||
4527 check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
4528 eval ${pfx}libc_type=mingw32
4529 check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
4530 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
4531 die "ERROR: MinGW32 runtime version must be >= 3.15."
4532 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4533 eval test \$${pfx_no_}cc_type = "gcc" &&
4534 add_${pfx}cppflags -D__printf__=__gnu_printf__
4535 elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
4536 eval ${pfx}libc_type=msvcrt
4537 if check_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then
4538 if [ "$pfx" = host_ ]; then
4539 add_host_cppflags -Dsnprintf=_snprintf
4541 add_compat strtod.o strtod=avpriv_strtod
4542 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
4543 _snprintf=avpriv_snprintf \
4544 vsnprintf=avpriv_vsnprintf
4547 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
4548 # 0x601 by default unless something else is set by the user.
4549 # This can easily lead to us detecting functions only present
4550 # in such new versions and producing binaries requiring windows 7.0.
4551 # Therefore explicitly set the default to XP unless the user has
4552 # set something else on the command line.
4553 # Don't do this if WINAPI_FAMILY is set and is set to a non-desktop
4554 # family. For these cases, configure is free to use any functions
4555 # found in the SDK headers by default. (Alternatively, we could force
4556 # _WIN32_WINNT to 0x0602 in that case.)
4557 check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||
4558 { check_${pfx}cpp <<EOF && add_${pfx}cppflags -D_WIN32_WINNT=0x0502; }
4559 #ifdef WINAPI_FAMILY
4560 #include <winapifamily.h>
4561 #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
4566 elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
4567 eval ${pfx}libc_type=klibc
4568 elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then
4569 eval ${pfx}libc_type=bionic
4570 elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then
4571 eval ${pfx}libc_type=solaris
4572 add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
4574 check_${pfx}cc <<EOF
4576 void *v = localtime_r;
4578 test "$?" != 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
4580 void *v = localtime_r;
4586 test -n "$libc_type" && enable libc_$libc_type
4588 test -n "$host_libc_type" && enable host_libc_$host_libc_type
4592 add_compat strtod.o strtod=avpriv_strtod
4596 # hacks for compiler/libc/os combinations
4598 if enabled_all tms470 libc_glibc; then
4599 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
4600 add_cppflags -D__USER_LABEL_PREFIX__=
4601 add_cppflags -D__builtin_memset=memset
4602 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
4603 add_cflags -pds=48 # incompatible redefinition of macro
4606 if enabled_all ccc libc_glibc; then
4607 add_ldflags -Wl,-z,now # calls to libots crash without this
4610 check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||
4611 add_cppflags '-I\$(SRC_PATH)/compat/float'
4614 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
4617 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
4619 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
4622 : ${shlibdir_default:="$libdir"}
4623 : ${pkgconfigdir_default:="$libdir/pkgconfig"}
4625 set_default $PATHS_LIST
4628 # we need to build at least one lib type
4629 if ! enabled_any static shared; then
4631 At least one library type must be built.
4632 Specify --enable-static to build the static libraries or --enable-shared to
4633 build the shared libraries as well. To only build the shared libraries specify
4634 --disable-static in addition to --enable-shared.
4639 die_license_disabled() {
4640 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
4643 die_license_disabled_gpl() {
4644 enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }
4647 die_license_disabled gpl frei0r
4648 die_license_disabled gpl libcdio
4649 die_license_disabled gpl libsmbclient
4650 die_license_disabled gpl libutvideo
4651 die_license_disabled gpl libvidstab
4652 die_license_disabled gpl libx264
4653 die_license_disabled gpl libx265
4654 die_license_disabled gpl libxavs
4655 die_license_disabled gpl libxvid
4656 die_license_disabled gpl libzvbi
4657 die_license_disabled gpl x11grab
4659 die_license_disabled nonfree libaacplus
4660 die_license_disabled nonfree libfaac
4661 die_license_disabled nonfree nvenc
4662 enabled gpl && die_license_disabled_gpl nonfree libfdk_aac
4663 enabled gpl && die_license_disabled_gpl nonfree openssl
4665 die_license_disabled version3 libopencore_amrnb
4666 die_license_disabled version3 libopencore_amrwb
4667 die_license_disabled version3 libsmbclient
4668 die_license_disabled version3 libvo_aacenc
4669 die_license_disabled version3 libvo_amrwbenc
4671 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
4673 disabled optimizations || check_cflags -fomit-frame-pointer
4676 disabled pic && return
4679 case "$target_os" in
4689 enabled pic && enable_weak_pic
4691 check_cc <<EOF || die "Symbol mangling check failed."
4694 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
4695 extern_prefix=${sym%%ff_extern*}
4697 check_cc <<EOF && enable_weak inline_asm
4698 void foo(void) { __asm__ volatile ("" ::); }
4702 for restrict_keyword in restrict __restrict__ __restrict; do
4703 check_cc <<EOF && _restrict=$restrict_keyword && break
4704 void foo(char * $restrict_keyword p);
4708 check_cc <<EOF && enable pragma_deprecated
4709 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
4712 check_cc <<EOF && enable attribute_packed
4713 struct { int x; } __attribute__((packed)) x;
4716 check_cc <<EOF && enable attribute_may_alias
4717 union { int x; } __attribute__((may_alias)) x;
4720 check_cc <<EOF || die "endian test failed"
4721 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
4723 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
4725 if ! enabled ppc64 || enabled bigendian; then
4730 log "check_gas using '$as' as AS"
4731 # :vararg is used on aarch64, arm and ppc altivec
4732 check_as <<EOF || return 1
4733 .macro m n, y:vararg=0
4738 # .altmacro is only used in arm asm
4739 ! enabled arm || check_as <<EOF || return 1
4746 if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then
4748 enabled_any arm aarch64 && nogas=die
4749 enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn
4753 arm*) gaspp_as_type=armasm; as_noop=-h ;;
4754 gcc) gaspp_as_type=gas ;;
4755 *) gaspp_as_type=$as_type ;;
4758 [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"
4760 test "${as#*gas-preprocessor.pl}" != "$as" ||
4761 check_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- ${as:=$cc} $as_noop &&
4762 gas="${gas:=gas-preprocessor.pl} -arch $arch -as-type $gaspp_as_type -- ${as:=$cc}"
4764 if ! check_gas ; then
4767 $nogas "GNU assembler not found, install/update gas-preprocessor"
4770 check_as <<EOF && enable as_func
4776 check_inline_asm inline_asm_labels '"1:\n"'
4778 check_inline_asm inline_asm_nonlocal_labels '"Label:\n"'
4780 if enabled aarch64; then
4781 enabled armv8 && check_insn armv8 'prfm pldl1strm, [x0]'
4782 # internal assembler in clang 3.3 does not support this instruction
4783 enabled neon && check_insn neon 'ext v0.8B, v0.8B, v1.8B, #1'
4784 enabled vfp && check_insn vfp 'fmadd d0, d0, d1, d2'
4786 map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM
4788 elif enabled alpha; then
4792 elif enabled arm; then
4794 enabled msvc && check_cpp_condition stddef.h "defined _M_ARMT" && enable thumb
4796 check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb
4797 float func(float a, float b){ return a+b; }
4800 enabled thumb && check_cflags -mthumb || check_cflags -marm
4802 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
4804 elif check_cpp_condition stddef.h "defined _M_ARM_FP && _M_ARM_FP >= 30"; then
4806 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__" && [ $target_os != darwin ]; then
4807 case "${cross_prefix:-$cc}" in
4808 *hardfloat*) enable vfp_args; fpabi=vfp ;;
4809 *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
4810 __asm__ (".eabi_attribute 28, 1");
4811 int main(void) { return 0; }
4814 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
4817 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
4818 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
4819 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
4820 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
4821 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
4822 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
4823 enabled setend && check_insn setend 'setend be'
4825 [ $target_os = linux ] || [ $target_os = android ] ||
4826 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
4829 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
4831 check_as <<EOF && enable as_dn_directive
4836 # llvm's integrated assembler supports .object_arch from llvm 3.5
4837 [ "$objformat" = elf ] && check_as <<EOF && enable as_object_arch
4841 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
4843 elif enabled mips; then
4845 enabled loongson2 && check_inline_asm loongson2 '"dmult.g $8, $9, $10"'
4846 enabled loongson3 && check_inline_asm loongson3 '"gsldxc1 $f0, 0($2, $3)"'
4847 enabled mmi && check_inline_asm mmi '"punpcklhw $f0, $f0, $f0"'
4849 # Enable minimum ISA based on selected options
4850 if enabled mips64 && (enabled mipsdspr1 || enabled mipsdspr2); then
4851 add_cflags "-mips64r2"
4852 add_asflags "-mips64r2"
4853 elif enabled mips64 && enabled mipsfpu && disabled loongson2 && disabled loongson3; then
4854 add_cflags "-mips64"
4855 add_asflags "-mips64"
4856 elif enabled mipsdspr1 || enabled mipsdspr2; then
4857 add_cflags "-mips32r2 -mfp32"
4858 add_asflags "-mips32r2 -mfp32"
4859 elif enabled mips32r5 || enabled mips64r6; then
4860 check_cflags "-mfp64"