3 # FFmpeg configure script
5 # Copyright (c) 2000-2002 Fabrice Bellard
6 # Copyright (c) 2005-2008 Diego Biurrun
7 # Copyright (c) 2005-2008 Mans Rullgard
10 # Prevent locale nonsense from breaking basic text processing.
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
18 echo "Trying shell $1"
19 type "$1" > /dev/null 2>&1 && exec "$@"
23 (: ${foo%%bar}) 2> /dev/null
26 (: ${foo?}) 2> /dev/null
29 if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
32 if test "0$FF_CONF_EXEC" -lt 1; then
34 try_exec bash "$0" "$@"
36 if test "0$FF_CONF_EXEC" -lt 2; then
38 try_exec ksh "$0" "$@"
40 if test "0$FF_CONF_EXEC" -lt 3; then
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
44 echo "No compatible shell script interpreter found."
45 echo "This configure script requires a POSIX-compatible shell"
46 echo "such as bash or ksh."
47 echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken FFmpeg."
50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
57 test -d /usr/xpg4/bin && PATH=/usr/xpg4/bin:$PATH
61 Usage: configure [options]
62 Options: [defaults in brackets after descriptions]
65 --help print this message
66 --list-decoders show all available decoders
67 --list-encoders show all available encoders
68 --list-hwaccels show all available hardware accelerators
69 --list-demuxers show all available demuxers
70 --list-muxers show all available muxers
71 --list-parsers show all available parsers
72 --list-protocols show all available protocols
73 --list-bsfs show all available bitstream filters
74 --list-indevs show all available input devices
75 --list-outdevs show all available output devices
76 --list-filters show all available filters
79 --logfile=FILE log tests and output to FILE [config.log]
80 --disable-logging do not log configure debug information
81 --fatal-warnings fail if any configure warning is generated
82 --prefix=PREFIX install in PREFIX [$prefix]
83 --bindir=DIR install binaries in DIR [PREFIX/bin]
84 --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg]
85 --docdir=DIR install documentation in DIR [PREFIX/share/doc/ffmpeg]
86 --libdir=DIR install libs in DIR [PREFIX/lib]
87 --shlibdir=DIR install shared libs in DIR [LIBDIR]
88 --incdir=DIR install includes in DIR [PREFIX/include]
89 --mandir=DIR install man page in DIR [PREFIX/share/man]
90 --pkgconfigdir=DIR install pkg-config files in DIR [LIBDIR/pkgconfig]
91 --enable-rpath use rpath to allow installing libraries in paths
92 not part of the dynamic linker search path
93 use rpath when linking programs [USE WITH CARE]
96 --enable-gpl allow use of GPL code, the resulting libs
97 and binaries will be under GPL [no]
98 --enable-version3 upgrade (L)GPL to version 3 [no]
99 --enable-nonfree allow use of nonfree code, the resulting libs
100 and binaries will be unredistributable [no]
102 Configuration options:
103 --disable-static do not build static libraries [no]
104 --enable-shared build shared libraries [no]
105 --enable-small optimize for size instead of speed
106 --disable-runtime-cpudetect disable detecting cpu capabilities at runtime (smaller binary)
107 --enable-gray enable full grayscale support (slower color)
108 --disable-swscale-alpha disable alpha channel support in swscale
109 --disable-all disable building components, libraries and programs
110 --enable-incompatible-libav-abi enable incompatible Libav fork ABI [no]
111 --enable-raise-major increase major version numbers in sonames [no]
114 --disable-programs do not build command line programs
115 --disable-ffmpeg disable ffmpeg build
116 --disable-ffplay disable ffplay build
117 --disable-ffprobe disable ffprobe build
118 --disable-ffserver disable ffserver build
120 Documentation options:
121 --disable-doc do not build documentation
122 --disable-htmlpages do not build HTML documentation pages
123 --disable-manpages do not build man documentation pages
124 --disable-podpages do not build POD documentation pages
125 --disable-txtpages do not build text documentation pages
128 --disable-avdevice disable libavdevice build
129 --disable-avcodec disable libavcodec build
130 --disable-avformat disable libavformat build
131 --disable-swresample disable libswresample build
132 --disable-swscale disable libswscale build
133 --disable-postproc disable libpostproc build
134 --disable-avfilter disable libavfilter build
135 --enable-avresample enable libavresample build [no]
136 --disable-pthreads disable pthreads [autodetect]
137 --disable-w32threads disable Win32 threads [autodetect]
138 --disable-os2threads disable OS/2 threads [autodetect]
139 --disable-network disable network support [no]
140 --disable-dct disable DCT code
141 --disable-dwt disable DWT code
142 --disable-error-resilience disable error resilience code
143 --disable-lsp disable LSP code
144 --disable-lzo disable LZO decoder code
145 --disable-mdct disable MDCT code
146 --disable-rdft disable RDFT code
147 --disable-fft disable FFT code
148 --disable-faan disable floating point AAN (I)DCT code
149 --disable-pixelutils disable pixel utils in libavutil
151 Hardware accelerators:
152 --disable-d3d11va disable D3D11VA code [autodetect]
153 --disable-dxva2 disable DXVA2 code [autodetect]
154 --disable-vaapi disable VAAPI code [autodetect]
155 --disable-vda disable VDA code [autodetect]
156 --disable-vdpau disable VDPAU code [autodetect]
157 --enable-videotoolbox enable VideoToolbox code [autodetect]
159 Individual component options:
160 --disable-everything disable all components listed below
161 --disable-encoder=NAME disable encoder NAME
162 --enable-encoder=NAME enable encoder NAME
163 --disable-encoders disable all encoders
164 --disable-decoder=NAME disable decoder NAME
165 --enable-decoder=NAME enable decoder NAME
166 --disable-decoders disable all decoders
167 --disable-hwaccel=NAME disable hwaccel NAME
168 --enable-hwaccel=NAME enable hwaccel NAME
169 --disable-hwaccels disable all hwaccels
170 --disable-muxer=NAME disable muxer NAME
171 --enable-muxer=NAME enable muxer NAME
172 --disable-muxers disable all muxers
173 --disable-demuxer=NAME disable demuxer NAME
174 --enable-demuxer=NAME enable demuxer NAME
175 --disable-demuxers disable all demuxers
176 --enable-parser=NAME enable parser NAME
177 --disable-parser=NAME disable parser NAME
178 --disable-parsers disable all parsers
179 --enable-bsf=NAME enable bitstream filter NAME
180 --disable-bsf=NAME disable bitstream filter NAME
181 --disable-bsfs disable all bitstream filters
182 --enable-protocol=NAME enable protocol NAME
183 --disable-protocol=NAME disable protocol NAME
184 --disable-protocols disable all protocols
185 --enable-indev=NAME enable input device NAME
186 --disable-indev=NAME disable input device NAME
187 --disable-indevs disable input devices
188 --enable-outdev=NAME enable output device NAME
189 --disable-outdev=NAME disable output device NAME
190 --disable-outdevs disable output devices
191 --disable-devices disable all devices
192 --enable-filter=NAME enable filter NAME
193 --disable-filter=NAME disable filter NAME
194 --disable-filters disable all filters
196 External library support:
197 --enable-avisynth enable reading of AviSynth script files [no]
198 --disable-bzlib disable bzlib [autodetect]
199 --enable-chromaprint enable audio fingerprinting with chromaprint [no]
200 --enable-fontconfig enable fontconfig, useful for drawtext filter [no]
201 --enable-frei0r enable frei0r video filtering [no]
202 --enable-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-librubberband enable rubberband needed for rubberband filter [no]
240 --enable-libquvi enable quvi input via libquvi [no]
241 --enable-librtmp enable RTMP[E] support via librtmp [no]
242 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
243 --enable-libshine enable fixed-point MP3 encoding via libshine [no]
244 --enable-libsmbclient enable Samba protocol via libsmbclient [no]
245 --enable-libsnappy enable Snappy compression, needed for hap encoding [no]
246 --enable-libsoxr enable Include libsoxr resampling [no]
247 --enable-libspeex enable Speex de/encoding via libspeex [no]
248 --enable-libssh enable SFTP protocol via libssh [no]
249 --enable-libstagefright-h264 enable H.264 decoding via libstagefright [no]
250 --enable-libtesseract enable Tesseract, needed for ocr filter [no]
251 --enable-libtheora enable Theora encoding via libtheora [no]
252 --enable-libtwolame enable MP2 encoding via libtwolame [no]
253 --enable-libutvideo enable Ut Video encoding and decoding via libutvideo [no]
254 --enable-libv4l2 enable libv4l2/v4l-utils [no]
255 --enable-libvidstab enable video stabilization using vid.stab [no]
256 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
257 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
258 --enable-libvorbis enable Vorbis en/decoding via libvorbis,
259 native implementation exists [no]
260 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
261 --enable-libwavpack enable wavpack encoding via libwavpack [no]
262 --enable-libwebp enable WebP encoding via libwebp [no]
263 --enable-libx264 enable H.264 encoding via x264 [no]
264 --enable-libx265 enable HEVC encoding via x265 [no]
265 --enable-libxavs enable AVS encoding via xavs [no]
266 --enable-libxcb enable X11 grabbing using XCB [autodetect]
267 --enable-libxcb-shm enable X11 grabbing shm communication [autodetect]
268 --enable-libxcb-xfixes enable X11 grabbing mouse rendering [autodetect]
269 --enable-libxcb-shape enable X11 grabbing shape rendering [autodetect]
270 --enable-libxvid enable Xvid encoding via xvidcore,
271 native MPEG-4/Xvid encoder exists [no]
272 --enable-libzmq enable message passing via libzmq [no]
273 --enable-libzvbi enable teletext support via libzvbi [no]
274 --disable-lzma disable lzma [autodetect]
275 --enable-decklink enable Blackmagick DeckLink I/O support [no]
276 --enable-mmal enable decoding via MMAL [no]
277 --enable-nvenc enable NVIDIA NVENC support [no]
278 --enable-openal enable OpenAL 1.1 capture support [no]
279 --enable-opencl enable OpenCL code
280 --enable-opengl enable OpenGL rendering [no]
281 --enable-openssl enable openssl, needed for https support
282 if gnutls is not used [no]
283 --disable-sdl disable sdl [autodetect]
284 --disable-securetransport disable Secure Transport, needed for TLS support
285 on OSX if openssl and gnutls are not used [autodetect]
286 --enable-x11grab enable X11 grabbing (legacy) [no]
287 --disable-xlib disable xlib [autodetect]
288 --disable-zlib disable zlib [autodetect]
291 --arch=ARCH select architecture [$arch]
292 --cpu=CPU select the minimum required CPU (affects
293 instruction selection, may crash on older CPUs)
294 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
295 --progs-suffix=SUFFIX program name suffix []
296 --enable-cross-compile assume a cross-compiler is used
297 --sysroot=PATH root of cross-build tree
298 --sysinclude=PATH location of cross-build system headers
299 --target-os=OS compiler targets OS [$target_os]
300 --target-exec=CMD command to run executables on target
301 --target-path=DIR path to view of build directory on target
302 --target-samples=DIR path to samples directory on target
303 --tempprefix=PATH force fixed dir/prefix instead of mktemp for checks
304 --toolchain=NAME set tool defaults according to NAME
305 --nm=NM use nm tool NM [$nm_default]
306 --ar=AR use archive tool AR [$ar_default]
307 --as=AS use assembler AS [$as_default]
308 --windres=WINDRES use windows resource compiler WINDRES [$windres_default]
309 --yasmexe=EXE use yasm-compatible assembler EXE [$yasmexe_default]
310 --cc=CC use C compiler CC [$cc_default]
311 --cxx=CXX use C compiler CXX [$cxx_default]
312 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
313 --ld=LD use linker LD [$ld_default]
314 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
315 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
316 --ranlib=RANLIB use ranlib RANLIB [$ranlib_default]
317 --doxygen=DOXYGEN use DOXYGEN to generate API doc [$doxygen_default]
318 --host-cc=HOSTCC use host C compiler HOSTCC
319 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
320 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
321 --host-ld=HOSTLD use host linker HOSTLD
322 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
323 --host-libs=HLIBS use libs HLIBS when linking for host
324 --host-os=OS compiler host OS [$target_os]
325 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
326 --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
327 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
328 --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
329 --extra-ldlibflags=ELDFLAGS add ELDFLAGS to LDLIBFLAGS [$LDLIBFLAGS]
330 --extra-libs=ELIBS add ELIBS [$ELIBS]
331 --extra-version=STRING version string suffix []
332 --optflags=OPTFLAGS override optimization-related compiler flags
333 --build-suffix=SUFFIX library name suffix []
334 --enable-pic build position-independent code
335 --enable-thumb compile for Thumb instruction set
336 --enable-lto use link-time optimization
337 --env="ENV=override" override the environment variables
339 Advanced options (experts only):
340 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
341 --custom-allocator=NAME use a supported custom allocator
342 --disable-symver disable symbol versioning
343 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
344 --disable-safe-bitstream-reader
345 disable buffer boundary checking in bitreaders
346 (faster, but may crash)
347 --enable-memalign-hack emulate memalign, interferes with memory debuggers
348 --sws-max-filter-size=N the max filter size swscale uses [$sws_max_filter_size_default]
350 Optimization options (experts only):
351 --disable-asm disable all assembly optimizations
352 --disable-altivec disable AltiVec optimizations
353 --disable-vsx disable VSX optimizations
354 --disable-power8 disable POWER8 optimizations
355 --disable-amd3dnow disable 3DNow! optimizations
356 --disable-amd3dnowext disable 3DNow! extended optimizations
357 --disable-mmx disable MMX optimizations
358 --disable-mmxext disable MMXEXT optimizations
359 --disable-sse disable SSE optimizations
360 --disable-sse2 disable SSE2 optimizations
361 --disable-sse3 disable SSE3 optimizations
362 --disable-ssse3 disable SSSE3 optimizations
363 --disable-sse4 disable SSE4 optimizations
364 --disable-sse42 disable SSE4.2 optimizations
365 --disable-avx disable AVX optimizations
366 --disable-xop disable XOP optimizations
367 --disable-fma3 disable FMA3 optimizations
368 --disable-fma4 disable FMA4 optimizations
369 --disable-avx2 disable AVX2 optimizations
370 --disable-armv5te disable armv5te optimizations
371 --disable-armv6 disable armv6 optimizations
372 --disable-armv6t2 disable armv6t2 optimizations
373 --disable-vfp disable VFP optimizations
374 --disable-neon disable NEON optimizations
375 --disable-inline-asm disable use of inline assembly
376 --disable-yasm disable use of nasm/yasm assembly
377 --disable-mips32r5 disable MIPS32R5 optimizations
378 --disable-mips64r6 disable MIPS64R6 optimizations
379 --disable-mipsdspr1 disable MIPS DSP ASE R1 optimizations
380 --disable-mipsdspr2 disable MIPS DSP ASE R2 optimizations
381 --disable-msa disable MSA optimizations
382 --disable-mipsfpu disable floating point MIPS optimizations
383 --disable-mmi disable Loongson SIMD optimizations
384 --disable-fast-unaligned consider unaligned accesses slow
386 Developer options (useful when working on FFmpeg itself):
387 --disable-debug disable debugging symbols
388 --enable-debug=LEVEL set the debug level [$debuglevel]
389 --disable-optimizations disable compiler optimizations
390 --enable-extra-warnings enable more compiler warnings
391 --disable-stripping disable stripping of executables and shared libraries
392 --assert-level=level 0(default), 1 or 2, amount of assertion testing,
393 2 causes a slowdown at runtime.
394 --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
395 --valgrind=VALGRIND run "make fate" tests through valgrind to detect memory
396 leaks and errors, using the specified valgrind binary.
397 Cannot be combined with --target-exec
398 --enable-ftrapv Trap arithmetic overflows
399 --samples=PATH location of test samples for FATE, if not set use
400 \$FATE_SAMPLES at make invocation time.
401 --enable-neon-clobber-test check NEON registers for clobbering (should be
402 used only for debugging purposes)
403 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
404 should be used only for debugging purposes)
405 --enable-random randomly enable/disable components
407 --enable-random=LIST randomly enable/disable specific components or
408 --disable-random=LIST component groups. LIST is a comma-separated list
409 of NAME[:PROB] entries where NAME is a component
410 (group) and PROB the probability associated with
412 --random-seed=VALUE seed value for --enable/disable-random
413 --disable-valgrind-backtrace do not print a backtrace under Valgrind
414 (only applies to --disable-optimizations builds)
416 NOTE: Object files are built at the place where configure is launched.
422 if test -t 1 && which tput >/dev/null 2>&1; then
423 ncolors=$(tput colors)
424 if test -n "$ncolors" && test $ncolors -ge 8; then
425 bold_color=$(tput bold)
426 warn_color=$(tput setaf 3)
427 error_color=$(tput setaf 1)
428 reset_color=$(tput sgr0)
430 # 72 used instead of 80 since that's the default of pr
436 echo "$@" >> $logfile
441 pr -n -t $1 >> $logfile
447 WARNINGS="${WARNINGS}WARNING: $*\n"
452 echo "$error_color$bold_color$@$reset_color"
455 If you think configure made a mistake, make sure you are using the latest
456 version from Git. If the latest version fails, report the problem to the
457 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
459 if disabled logging; then
461 Rerun configure with logging enabled (do not use --disable-logging), and
462 include the log this produces with your report.
466 Include the log file "$logfile" produced by configure as this will help
473 # Avoid locale weirdness, besides we really just want to translate ASCII.
475 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
479 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
483 echo "$*" | sed 's/["\\]/\\\0/g'
487 v=$(echo "$1" | sed "s/'/'\\\\''/g")
488 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
493 echo "$@" | sed 's/^ *//;s/[[:space:]][[:space:]]*/ /g;s/ *$//'
500 eval "case $v in $pat) echo $v ;; esac"
508 eval "case $v in $pat) ;; *) echo $v ;; esac"
515 for v; do eval $m; done
521 for v; do echo ${v}${suffix}; done
536 eval : \${$var:=$value}
541 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
547 eval $(sanitize_var_name "$var")='$*'
551 eval echo \$$(sanitize_var_name "$1")
556 eval level=\${${pvar}_level:=0}
557 eval ${pvar}_${level}="\$$pvar"
558 eval ${pvar}_level=$(($level+1))
564 eval level=\${${pvar}_level:-0}
565 test $level = 0 && continue
566 eval level=$(($level-1))
567 eval $pvar="\${${pvar}_${level}}"
568 eval ${pvar}_level=$level
569 eval unset ${pvar}_${level}
591 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
597 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
603 enabled $var && continue
604 eval sel="\$${var}_select"
605 eval sgs="\$${var}_suggest"
609 enable_deep_weak $sgs
621 disabled $var && continue
630 test "${1#!}" = "$1" && op='=' || op=!=
631 eval test "x\$${1#!}" $op "xyes"
635 test "${1#!}" = "$1" && op='=' || op=!=
636 eval test "x\$${1#!}" $op "xno"
641 enabled $opt || return 1
647 disabled $opt || return 1
653 enabled $opt && return 0
659 disabled $opt && return 0
666 eval : \${$opt:=\$${opt}_default}
674 [ $var = $value ] && return 0
682 enabled ${cfg}_checking && die "Circular dependency for $cfg."
683 disabled ${cfg}_checking && continue
684 enable ${cfg}_checking
687 eval dep_all="\$${cfg}_deps"
688 eval dep_any="\$${cfg}_deps_any"
689 eval dep_sel="\$${cfg}_select"
690 eval dep_sgs="\$${cfg}_suggest"
691 eval dep_ifa="\$${cfg}_if"
692 eval dep_ifn="\$${cfg}_if_any"
694 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
695 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
696 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
698 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
699 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
700 enabled_all $dep_all || disable $cfg
701 enabled_any $dep_any || disable $cfg
702 disabled_any $dep_sel && disable $cfg
704 if enabled $cfg; then
706 enable_deep_weak $dep_sgs
709 disable ${cfg}_checking
718 for cfg in $allopts; do
719 enabled $cfg || continue
720 eval dep_extralibs="\$${cfg}_extralibs"
721 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
729 map 'eval echo "$v \${$v:-no}"' "$@" |
730 awk "BEGIN { split(\"$files\", files) }
732 c = \"$pfx\" toupper(\$1);
738 if (file ~ /\\.h\$/) {
739 printf(\"#define %s %d\\n\", c, v) >>file;
740 } else if (file ~ /\\.asm\$/) {
741 printf(\"%%define %s %d\\n\", c, v) >>file;
742 } else if (file ~ /\\.mak\$/) {
743 n = -v ? \"\" : \"!\";
744 printf(\"%s%s=yes\\n\", n, c) >>file;
745 } else if (file ~ /\\.texi\$/) {
746 pre = -v ? \"\" : \"@c \";
749 gsub(/_/, \"-\", c2);
750 printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
760 enabled $v && printf "%s\n" ${v%$suf};
767 eval "$var=\"\$$var $*\""
773 eval "$var=\"$* \$$var\""
779 for tok in $(eval echo \$$var); do
780 uniq_list="$(filter_out $tok $uniq_list) $tok"
782 eval "$var=\"${uniq_list}\""
790 append CFLAGS $($cflags_filter "$@")
794 append CXXFLAGS $($cflags_filter "$@")
798 append ASFLAGS $($asflags_filter "$@")
802 append LDFLAGS $($ldflags_filter "$@")
806 append LDEXEFLAGS $($ldflags_filter "$@")
810 append LDLIBFLAGS $($ldflags_filter "$@")
814 append ASMSTRIPFLAGS "$@"
818 prepend extralibs $($ldflags_filter "$@")
822 append host_cppflags "$@"
826 append host_cflags $($host_cflags_filter "$@")
830 append host_ldflags $($host_ldflags_filter "$@")
834 append compat_objs $1
836 map 'add_cppflags -D$v' "$@"
841 "$@" >> $logfile 2>&1
846 stat "$1" >> $logfile 2>&1
850 eval printf '%s\\n' $CC_O
854 eval printf '%s\\n' $CC_E
861 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
868 check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
875 check_cmd $cc -Werror=missing-prototypes $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPM
882 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
886 eval printf '%s\\n' $AS_O
893 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
897 log check_inline_asm "$@"
902 check_cc "$@" <<EOF && enable $name
903 void foo(void){ __asm__ volatile($code); }
909 check_inline_asm ${1}_inline "\"$2\""
910 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
918 check_cmd $yasmexe $YASMFLAGS -Werror "$@" -o $TMPO $TMPS
922 eval printf '%s\\n' $LD_O
929 flags=$(filter_out '-l*|*.so' $@)
930 libs=$(filter '-l*|*.so' $@)
931 check_$type $($cflags_filter $flags) || return
932 flags=$($ldflags_filter $flags)
933 libs=$($ldflags_filter $libs)
934 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
939 test "${hdr%.h}" = "${hdr}" &&
940 echo "#include $hdr" ||
941 echo "#include <$hdr>"
951 for hdr in $headers; do
954 echo "int main(void) { $code; return 0; }"
955 } | check_$check "$@"
959 log check_cppflags "$@"
960 check_cc "$@" <<EOF && append CPPFLAGS "$@"
967 set -- $($cflags_filter "$@")
974 log check_cflags "$@"
975 test_cflags "$@" && add_cflags "$@"
979 log check_cxxflags "$@"
980 set -- $($cflags_filter "$@")
981 check_cxx "$@" <<EOF && append CXXFLAGS "$@"
987 log test_ldflags "$@"
988 check_ld "cc" "$@" <<EOF
989 int main(void){ return 0; }
994 log check_ldflags "$@"
995 test_ldflags "$@" && add_ldflags "$@"
999 log test_stripflags "$@"
1000 # call check_cc to get a fresh TMPO
1002 int main(void) { return 0; }
1004 check_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO
1008 log check_stripflags "$@"
1009 test_stripflags "$@" && add_stripflags "$@"
1013 log check_header "$@"
1016 disable_safe $header
1017 check_cpp "$@" <<EOF && enable_safe $header
1024 log check_header_oc "$@"
1028 disable_safe $header
1030 echo "#include <$header>"
1031 echo "int main(void) { return 0; }"
1032 } | check_oc && check_stat "$TMPO" && enable_safe $headers
1040 check_ld "cc" "$@" <<EOF && enable $func
1042 int main(void){ $func(); }
1047 log check_mathfunc "$@"
1051 test $narg = 2 && args="f, g" || args="f"
1053 check_ld "cc" "$@" <<EOF && enable $func
1055 float foo(float f, float g) { return $func($args); }
1056 int main(void){ return (int) foo; }
1060 check_func_headers(){
1061 log check_func_headers "$@"
1066 for hdr in $headers; do
1069 for func in $funcs; do
1070 echo "long check_$func(void) { return (long) $func; }"
1072 echo "int main(void) { return 0; }"
1073 } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
1076 check_class_headers_cpp(){
1077 log check_class_headers_cpp "$@"
1082 for hdr in $headers; do
1083 echo "#include <$hdr>"
1085 echo "int main(void) { "
1087 for class in $classes; do
1088 echo "$class obj$i;"
1092 } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
1095 check_cpp_condition(){
1096 log check_cpp_condition "$@"
1100 check_cpp "$@" <<EOF
1103 #error "unsatisfied condition: $condition"
1113 check_header $header && check_func $func "$@" && add_extralibs "$@"
1121 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
1125 log check_lib_cpp "$@"
1129 check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
1133 log check_pkg_config "$@"
1139 check_cmd $pkg_config --exists --print-errors $pkgandversion || return
1140 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1141 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1142 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1143 set_safe "${pkg}_cflags" $pkg_cflags &&
1144 set_safe "${pkg}_libs" $pkg_libs
1148 check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1154 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1155 # are safe but may not be available everywhere. Thus we use
1156 # raise(SIGTERM) instead. The check is run in a subshell so we
1157 # can redirect the "Terminated" message from the shell. SIGBUS
1158 # is not defined by standard C so it is used conditionally.
1160 (check_exec "$@") >> $logfile 2>&1 <<EOF
1162 static void sighandler(int sig){
1168 int (*func_ptr)(void) = foo;
1170 signal(SIGILL, sighandler);
1171 signal(SIGFPE, sighandler);
1172 signal(SIGSEGV, sighandler);
1174 signal(SIGBUS, sighandler);
1186 disable_safe "$type"
1187 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1191 log check_struct "$@"
1196 disable_safe "${struct}_${member}"
1197 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1198 enable_safe "${struct}_${member}"
1202 log check_builtin "$@"
1208 check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1211 check_compile_assert(){
1212 log check_compile_assert "$@"
1218 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1226 check_lib $header $func "$@" || die "ERROR: $name not found"
1234 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1242 check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1247 check_pkg_config "$@" || return 1
1248 add_cflags $(get_safe "${pkg}_cflags")
1249 add_extralibs $(get_safe "${pkg}_libs")
1252 require_pkg_config(){
1253 use_pkg_config "$@" || die "ERROR: $pkg not found using pkg-config$pkg_config_fail_message"
1256 require_libfreetype(){
1257 log require_libfreetype "$@"
1259 check_cmd $pkg_config --exists --print-errors $pkg \
1260 || die "ERROR: $pkg not found"
1261 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1262 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1264 echo "#include <ft2build.h>"
1265 echo "#include FT_FREETYPE_H"
1266 echo "long check_func(void) { return (long) FT_Init_FreeType; }"
1267 echo "int main(void) { return 0; }"
1268 } | check_ld "cc" $pkg_cflags $pkg_libs \
1269 && set_safe "${pkg}_cflags" $pkg_cflags \
1270 && set_safe "${pkg}_libs" $pkg_libs \
1271 || die "ERROR: $pkg not found"
1272 add_cflags $(get_safe "${pkg}_cflags")
1273 add_extralibs $(get_safe "${pkg}_libs")
1277 eval printf '%s\\n' $HOSTCC_E
1281 eval printf '%s\\n' $HOSTCC_O
1285 log check_host_cc "$@"
1288 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1292 log check_host_cpp "$@"
1295 check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1298 check_host_cppflags(){
1299 log check_host_cppflags "$@"
1300 check_host_cc "$@" <<EOF && append host_cppflags "$@"
1305 check_host_cflags(){
1306 log check_host_cflags "$@"
1307 set -- $($host_cflags_filter "$@")
1308 check_host_cc "$@" <<EOF && append host_cflags "$@"
1313 check_host_cpp_condition(){
1314 log check_host_cpp_condition "$@"
1318 check_host_cpp "$@" <<EOF
1321 #error "unsatisfied condition: $condition"
1327 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1328 mkdir -p "$(dirname $2)"
1332 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1333 # system-dependent things.
1350 avio_reading_example
1351 avio_dir_cmd_example
1352 decoding_encoding_example
1353 demuxing_decoding_example
1355 filter_audio_example
1356 filtering_audio_example
1357 filtering_video_example
1362 resampling_audio_example
1363 scaling_video_example
1364 transcode_aac_example
1368 EXTERNAL_LIBRARY_LIST="
1469 safe_bitstream_reader
1530 $EXTERNAL_LIBRARY_LIST
1538 incompatible_libav_abi
1600 ARCH_EXT_LIST_MIPS="
1610 ARCH_EXT_LIST_LOONGSON="
1616 ARCH_EXT_LIST_X86_SIMD="
1644 $ARCH_EXT_LIST_X86_SIMD
1654 $ARCH_EXT_LIST_LOONGSON
1670 atomic_compare_exchange
1676 sync_val_compare_and_swap
1687 incompatible_libav_abi
1696 cdio_paranoia_paranoia_h
1697 dev_bktr_ioctl_bt848_h
1698 dev_bktr_ioctl_meteor_h
1700 dev_video_bktr_ioctl_bt848_h
1701 dev_video_meteor_ioctl_meteor_h
1711 machine_ioctl_bt848_h
1712 machine_ioctl_meteor_h
1714 openjpeg_1_5_openjpeg_h
1784 GetProcessAffinityMask
1785 GetProcessMemoryInfo
1789 GetSystemTimeAsFileTime
1796 jack_port_get_latency_range
1812 SetConsoleTextAttribute
1813 SetConsoleCtrlHandler
1825 TOOLCHAIN_FEATURES="
1838 inline_asm_nonlocal_labels
1839 inline_asm_direct_symbol_refs
1850 CONDITION_VARIABLE_Ptr
1853 struct_dcadec_exss_info_matrix_encoding
1854 struct_group_source_req
1855 struct_ip_mreq_source
1858 struct_rusage_ru_maxrss
1859 struct_sctp_event_subscribe
1861 struct_sockaddr_sa_len
1862 struct_sockaddr_storage
1863 struct_stat_st_mtim_tv_nsec
1864 struct_v4l2_frmivalenum_discrete
1869 $(add_suffix _external $ARCH_EXT_LIST)
1870 $(add_suffix _inline $ARCH_EXT_LIST)
1903 # options emitted with CONFIG_ prefix but not available on the command line
1919 frame_thread_encoder
2061 # code dependency declarations
2063 # architecture extensions
2068 armv8_deps="aarch64"
2069 neon_deps_any="aarch64 arm"
2070 intrinsics_neon_deps="neon"
2071 vfp_deps_any="aarch64 arm"
2075 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
2078 mipsdspr1_deps="mips"
2079 mipsdspr2_deps="mips"
2080 mips32r2_deps="mips"
2081 mips32r5_deps="mips"
2082 mips64r6_deps="mips"
2094 x86_64_select="i686"
2095 x86_64_suggest="fast_cmov"
2098 amd3dnowext_deps="amd3dnow"
2114 mmx_external_deps="yasm"
2115 mmx_inline_deps="inline_asm"
2116 mmx_suggest="mmx_external mmx_inline"
2118 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
2119 eval dep=\$${ext}_deps
2120 eval ${ext}_external_deps='"${dep}_external"'
2121 eval ${ext}_inline_deps='"${dep}_inline"'
2122 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
2125 aligned_stack_if_any="aarch64 ppc x86"
2126 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
2127 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
2128 fast_unaligned_if_any="aarch64 ppc x86"
2129 simd_align_16_if_any="altivec neon sse"
2131 # system capabilities
2132 symver_if_any="symver_asm_label symver_gnu_asm"
2133 valgrind_backtrace_deps="!optimizations valgrind_valgrind_h"
2136 atomics_gcc_if_any="sync_val_compare_and_swap atomic_compare_exchange"
2137 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
2138 atomics_win32_if="MemoryBarrier"
2139 atomics_native_if_any="$ATOMICS_LIST"
2140 w32threads_deps="atomics_native"
2141 threads_if_any="$THREADS_LIST"
2145 error_resilience_select="me_cmp"
2146 faandct_deps="faan fdctdsp"
2147 faanidct_deps="faan idctdsp"
2148 frame_thread_encoder_deps="encoders threads"
2149 intrax8_select="error_resilience"
2152 me_cmp_select="fdctdsp idctdsp pixblockdsp"
2153 mpeg_er_select="error_resilience"
2154 mpegaudio_select="mpegaudiodsp"
2155 mpegaudiodsp_select="dct"
2156 mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp mpeg_er videodsp"
2157 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
2161 # decoders / encoders
2162 aac_decoder_select="imdct15 mdct sinewin"
2163 aac_fixed_decoder_select="mdct sinewin"
2164 aac_encoder_select="audio_frame_queue iirfilter lpc mdct sinewin"
2165 aac_latm_decoder_select="aac_decoder aac_latm_parser"
2166 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
2167 ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"
2168 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
2169 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
2170 adpcm_g722_decoder_select="g722dsp"
2171 adpcm_g722_encoder_select="g722dsp"
2172 aic_decoder_select="golomb idctdsp"
2173 alac_encoder_select="lpc"
2174 als_decoder_select="bswapdsp"
2175 amrnb_decoder_select="lsp"
2176 amrwb_decoder_select="lsp"
2177 amv_decoder_select="sp5x_decoder exif"
2178 amv_encoder_select="aandcttables jpegtables mpegvideoenc"
2179 ape_decoder_select="bswapdsp llauddsp"
2180 apng_decoder_select="zlib"
2181 apng_encoder_select="huffyuvencdsp zlib"
2182 asv1_decoder_select="blockdsp bswapdsp idctdsp"
2183 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
2184 asv2_decoder_select="blockdsp bswapdsp idctdsp"
2185 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
2186 atrac1_decoder_select="mdct sinewin"
2187 atrac3_decoder_select="mdct"
2188 atrac3p_decoder_select="mdct sinewin"
2189 avrn_decoder_select="exif jpegtables"
2190 bink_decoder_select="blockdsp hpeldsp"
2191 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
2192 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
2193 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
2194 cllc_decoder_select="bswapdsp"
2195 comfortnoise_encoder_select="lpc"
2196 cook_decoder_select="audiodsp mdct sinewin"
2197 cscd_decoder_select="lzo"
2198 cscd_decoder_suggest="zlib"
2199 dca_decoder_select="fmtconvert mdct"
2200 dds_decoder_select="texturedsp"
2201 dirac_decoder_select="dwt golomb videodsp mpegvideoenc"
2202 dnxhd_decoder_select="blockdsp idctdsp"
2203 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
2204 dvvideo_decoder_select="dvprofile idctdsp"
2205 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
2206 dxa_decoder_select="zlib"
2207 dxv_decoder_select="lzf texturedsp"
2208 eac3_decoder_select="ac3_decoder"
2209 eac3_encoder_select="ac3_encoder"
2210 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
2211 eatgq_decoder_select="aandcttables"
2212 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpeg1video_decoder"
2213 exr_decoder_select="zlib"
2214 ffv1_decoder_select="golomb rangecoder"
2215 ffv1_encoder_select="rangecoder"
2216 ffvhuff_decoder_select="huffyuv_decoder"
2217 ffvhuff_encoder_select="huffyuv_encoder"
2218 fic_decoder_select="golomb"
2219 flac_decoder_select="flacdsp golomb"
2220 flac_encoder_select="bswapdsp flacdsp golomb lpc"
2221 flashsv_decoder_select="zlib"
2222 flashsv_encoder_select="zlib"
2223 flashsv2_encoder_select="zlib"
2224 flashsv2_decoder_select="zlib"
2225 flv_decoder_select="h263_decoder"
2226 flv_encoder_select="h263_encoder"
2227 fourxm_decoder_select="blockdsp bswapdsp"
2228 fraps_decoder_select="bswapdsp huffman"
2229 g2m_decoder_select="blockdsp idctdsp jpegtables zlib"
2230 g729_decoder_select="audiodsp"
2231 h261_decoder_select="mpegvideo"
2232 h261_encoder_select="aandcttables mpegvideoenc"
2233 h263_decoder_select="h263_parser h263dsp mpegvideo qpeldsp"
2234 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
2235 h263i_decoder_select="h263_decoder"
2236 h263p_decoder_select="h263_decoder"
2237 h263p_encoder_select="h263_encoder"
2238 h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel startcode videodsp"
2239 h264_decoder_suggest="error_resilience"
2240 h264_qsv_decoder_deps="libmfx"
2241 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
2242 h264_qsv_encoder_deps="libmfx"
2243 h264_qsv_encoder_select="qsvenc"
2244 hap_decoder_select="snappy texturedsp"
2245 hap_encoder_deps="libsnappy"
2246 hap_encoder_select="texturedspenc"
2247 hevc_decoder_select="bswapdsp cabac golomb videodsp"
2248 hevc_qsv_encoder_deps="libmfx"
2249 hevc_qsv_decoder_deps="libmfx"
2250 hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec hevc_qsv_hwaccel"
2251 hevc_qsv_encoder_select="qsvenc"
2252 huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"
2253 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llviddsp"
2254 iac_decoder_select="imc_decoder"
2255 imc_decoder_select="bswapdsp fft mdct sinewin"
2256 indeo3_decoder_select="hpeldsp"
2257 indeo4_decoder_select="ividsp"
2258 indeo5_decoder_select="ividsp"
2259 interplay_video_decoder_select="hpeldsp"
2260 jpegls_decoder_select="golomb mjpeg_decoder"
2261 jpegls_encoder_select="golomb"
2262 jv_decoder_select="blockdsp"
2263 lagarith_decoder_select="huffyuvdsp"
2264 ljpeg_encoder_select="aandcttables idctdsp jpegtables"
2265 loco_decoder_select="golomb"
2266 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2267 metasound_decoder_select="lsp mdct sinewin"
2268 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2269 mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"
2270 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
2271 mjpegb_decoder_select="mjpeg_decoder"
2272 mlp_decoder_select="mlp_parser"
2273 motionpixels_decoder_select="bswapdsp"
2274 mp1_decoder_select="mpegaudio"
2275 mp1float_decoder_select="mpegaudio"
2276 mp2_decoder_select="mpegaudio"
2277 mp2float_decoder_select="mpegaudio"
2278 mp3_decoder_select="mpegaudio"
2279 mp3adu_decoder_select="mpegaudio"
2280 mp3adufloat_decoder_select="mpegaudio"
2281 mp3float_decoder_select="mpegaudio"
2282 mp3on4_decoder_select="mpegaudio"
2283 mp3on4float_decoder_select="mpegaudio"
2284 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2285 mpc8_decoder_select="mpegaudiodsp"
2286 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
2287 mpeg_xvmc_decoder_select="mpeg2video_decoder"
2288 mpegvideo_decoder_select="mpegvideo"
2289 mpeg1video_decoder_select="mpegvideo"
2290 mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"
2291 mpeg2video_decoder_select="mpegvideo"
2292 mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"
2293 mpeg2_qsv_decoder_deps="libmfx"
2294 mpeg2_qsv_decoder_select="qsvdec mpeg2_qsv_hwaccel"
2295 mpeg2_qsv_encoder_deps="libmfx"
2296 mpeg2_qsv_encoder_select="qsvenc"
2297 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2298 mpeg4_encoder_select="h263_encoder"
2299 msa1_decoder_select="mss34dsp"
2300 msmpeg4v1_decoder_select="h263_decoder"
2301 msmpeg4v2_decoder_select="h263_decoder"
2302 msmpeg4v2_encoder_select="h263_encoder"
2303 msmpeg4v3_decoder_select="h263_decoder"
2304 msmpeg4v3_encoder_select="h263_encoder"
2305 mss2_decoder_select="vc1_decoder"
2306 mts2_decoder_select="mss34dsp"
2307 mxpeg_decoder_select="mjpeg_decoder"
2308 nellymoser_decoder_select="mdct sinewin"
2309 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2310 nuv_decoder_select="idctdsp lzo"
2311 on2avc_decoder_select="mdct"
2312 opus_decoder_deps="swresample"
2313 opus_decoder_select="imdct15"
2314 png_decoder_select="zlib"
2315 png_encoder_select="huffyuvencdsp zlib"
2316 prores_decoder_select="blockdsp idctdsp"
2317 prores_encoder_select="fdctdsp"
2318 qcelp_decoder_select="lsp"
2319 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2320 ra_144_encoder_select="audio_frame_queue lpc audiodsp"
2321 ra_144_decoder_select="audiodsp"
2322 ralf_decoder_select="golomb"
2323 rawvideo_decoder_select="bswapdsp"
2324 rtjpeg_decoder_select="me_cmp"
2325 rv10_decoder_select="h263_decoder"
2326 rv10_encoder_select="h263_encoder"
2327 rv20_decoder_select="h263_decoder"
2328 rv20_encoder_select="h263_encoder"
2329 rv30_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2330 rv40_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2331 screenpresso_decoder_select="zlib"
2332 shorten_decoder_select="golomb"
2333 sipr_decoder_select="lsp"
2334 snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"
2335 snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"
2336 sonic_decoder_select="golomb rangecoder"
2337 sonic_encoder_select="golomb rangecoder"
2338 sonic_ls_encoder_select="golomb rangecoder"
2339 sp5x_decoder_select="mjpeg_decoder"
2340 svq1_decoder_select="hpeldsp"
2341 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2342 svq3_decoder_select="h264_decoder hpeldsp tpeldsp"
2343 svq3_decoder_suggest="zlib"
2344 tak_decoder_select="audiodsp"
2345 tdsc_decoder_select="zlib mjpeg_decoder"
2346 theora_decoder_select="vp3_decoder"
2347 thp_decoder_select="mjpeg_decoder"
2348 tiff_decoder_suggest="zlib lzma"
2349 tiff_encoder_suggest="zlib"
2350 truehd_decoder_select="mlp_parser"
2351 truemotion2_decoder_select="bswapdsp"
2352 truespeech_decoder_select="bswapdsp"
2353 tscc_decoder_select="zlib"
2354 twinvq_decoder_select="mdct lsp sinewin"
2355 txd_decoder_select="texturedsp"
2356 utvideo_decoder_select="bswapdsp"
2357 utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"
2358 vble_decoder_select="huffyuvdsp"
2359 vc1_decoder_select="blockdsp h263_decoder h264qpel intrax8 qpeldsp startcode"
2360 vc1image_decoder_select="vc1_decoder"
2361 vc1_qsv_decoder_deps="libmfx"
2362 vc1_qsv_decoder_select="qsvdec vc1_qsv_hwaccel"
2363 vorbis_decoder_select="mdct"
2364 vorbis_encoder_select="mdct"
2365 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2366 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"
2367 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"
2368 vp6a_decoder_select="vp6_decoder"
2369 vp6f_decoder_select="vp6_decoder"
2370 vp7_decoder_select="h264pred videodsp vp8dsp"
2371 vp8_decoder_select="h264pred videodsp vp8dsp"
2372 vp9_decoder_select="videodsp vp9_parser"
2373 webp_decoder_select="vp8_decoder"
2374 wmalossless_decoder_select="llauddsp"
2375 wmapro_decoder_select="mdct sinewin wma_freqs"
2376 wmav1_decoder_select="mdct sinewin wma_freqs"
2377 wmav1_encoder_select="mdct sinewin wma_freqs"
2378 wmav2_decoder_select="mdct sinewin wma_freqs"
2379 wmav2_encoder_select="mdct sinewin wma_freqs"
2380 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2381 wmv1_decoder_select="h263_decoder"
2382 wmv1_encoder_select="h263_encoder"
2383 wmv2_decoder_select="blockdsp h263_decoder idctdsp intrax8 videodsp wmv2dsp"
2384 wmv2_encoder_select="h263_encoder wmv2dsp"
2385 wmv3_decoder_select="vc1_decoder"
2386 wmv3image_decoder_select="wmv3_decoder"
2387 zerocodec_decoder_select="zlib"
2388 zlib_decoder_select="zlib"
2389 zlib_encoder_select="zlib"
2390 zmbv_decoder_select="zlib"
2391 zmbv_encoder_select="zlib"
2393 # hardware accelerators
2394 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
2395 d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder ID3D11VideoContext"
2396 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode"
2397 vaapi_deps="va_va_h"
2398 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads CoreServices_CoreServices_h"
2399 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore -framework CoreServices"
2400 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
2401 videotoolbox_deps="VideoToolbox_VideoToolbox_h pthreads CoreServices_CoreServices_h"
2402 videotoolbox_extralibs="-framework CoreFoundation -framework VideoToolbox -framework CoreMedia -framework QuartzCore -framework CoreServices"
2403 xvmc_deps="X11_extensions_XvMClib_h"
2405 h263_vaapi_hwaccel_deps="vaapi"
2406 h263_vaapi_hwaccel_select="h263_decoder"
2407 h263_vdpau_hwaccel_deps="vdpau"
2408 h263_vdpau_hwaccel_select="h263_decoder"
2409 h263_videotoolbox_hwaccel_deps="videotoolbox"
2410 h263_videotoolbox_hwaccel_select="h263_decoder"
2411 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
2412 h264_d3d11va_hwaccel_deps="d3d11va"
2413 h264_d3d11va_hwaccel_select="h264_decoder"
2414 h264_dxva2_hwaccel_deps="dxva2"
2415 h264_dxva2_hwaccel_select="h264_decoder"
2416 h264_mmal_decoder_deps="mmal"
2417 h264_mmal_hwaccel_deps="mmal"
2418 h264_mmal_decoder_select="h264_decoder"
2419 h264_mmal_encoder_deps="mmal"
2420 h264_qsv_hwaccel_deps="libmfx"
2421 h264_vaapi_hwaccel_deps="vaapi"
2422 h264_vaapi_hwaccel_select="h264_decoder"
2423 h264_vda_decoder_deps="vda"
2424 h264_vda_decoder_select="h264_decoder"
2425 h264_vda_hwaccel_deps="vda"
2426 h264_vda_hwaccel_select="h264_decoder"
2427 h264_vda_old_hwaccel_deps="vda"
2428 h264_vda_old_hwaccel_select="h264_decoder"
2429 h264_vdpau_decoder_deps="vdpau"
2430 h264_vdpau_decoder_select="h264_decoder"
2431 h264_vdpau_hwaccel_deps="vdpau"
2432 h264_vdpau_hwaccel_select="h264_decoder"
2433 h264_videotoolbox_hwaccel_deps="videotoolbox"
2434 h264_videotoolbox_hwaccel_select="h264_decoder"
2435 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2436 hevc_d3d11va_hwaccel_select="hevc_decoder"
2437 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2438 hevc_dxva2_hwaccel_select="hevc_decoder"
2439 hevc_qsv_hwaccel_deps="libmfx"
2440 hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC"
2441 hevc_vaapi_hwaccel_select="hevc_decoder"
2442 hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"
2443 hevc_vdpau_hwaccel_select="hevc_decoder"
2444 mpeg_vdpau_decoder_deps="vdpau"
2445 mpeg_vdpau_decoder_select="mpeg2video_decoder"
2446 mpeg_xvmc_hwaccel_deps="xvmc"
2447 mpeg_xvmc_hwaccel_select="mpeg2video_decoder"
2448 mpeg1_vdpau_decoder_deps="vdpau"
2449 mpeg1_vdpau_decoder_select="mpeg1video_decoder"
2450 mpeg1_vdpau_hwaccel_deps="vdpau"
2451 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2452 mpeg1_videotoolbox_hwaccel_deps="videotoolbox"
2453 mpeg1_videotoolbox_hwaccel_select="mpeg1video_decoder"
2454 mpeg1_xvmc_hwaccel_deps="xvmc"
2455 mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"
2456 mpeg2_crystalhd_decoder_select="crystalhd"
2457 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2458 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2459 mpeg2_dxva2_hwaccel_deps="dxva2"
2460 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2461 mpeg2_qsv_hwaccel_deps="libmfx"
2462 mpeg2_qsv_hwaccel_select="qsvdec_mpeg2"
2463 mpeg2_vaapi_hwaccel_deps="vaapi"
2464 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2465 mpeg2_vdpau_hwaccel_deps="vdpau"
2466 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2467 mpeg2_videotoolbox_hwaccel_deps="videotoolbox"
2468 mpeg2_videotoolbox_hwaccel_select="mpeg2video_decoder"
2469 mpeg2_xvmc_hwaccel_deps="xvmc"
2470 mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"
2471 mpeg4_crystalhd_decoder_select="crystalhd"
2472 mpeg4_vaapi_hwaccel_deps="vaapi"
2473 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2474 mpeg4_vdpau_decoder_deps="vdpau"
2475 mpeg4_vdpau_decoder_select="mpeg4_decoder"
2476 mpeg4_vdpau_hwaccel_deps="vdpau"
2477 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2478 mpeg4_videotoolbox_hwaccel_deps="videotoolbox"
2479 mpeg4_videotoolbox_hwaccel_select="mpeg4_decoder"
2480 msmpeg4_crystalhd_decoder_select="crystalhd"
2481 vc1_crystalhd_decoder_select="crystalhd"
2482 vc1_d3d11va_hwaccel_deps="d3d11va"
2483 vc1_d3d11va_hwaccel_select="vc1_decoder"
2484 vc1_dxva2_hwaccel_deps="dxva2"
2485 vc1_dxva2_hwaccel_select="vc1_decoder"
2486 vc1_vaapi_hwaccel_deps="vaapi"
2487 vc1_vaapi_hwaccel_select="vc1_decoder"
2488 vc1_vdpau_decoder_deps="vdpau"
2489 vc1_vdpau_decoder_select="vc1_decoder"
2490 vc1_vdpau_hwaccel_deps="vdpau"
2491 vc1_vdpau_hwaccel_select="vc1_decoder"
2492 vc1_qsv_hwaccel_deps="libmfx"
2493 vc1_qsv_hwaccel_select="qsvdec_vc1"
2494 wmv3_crystalhd_decoder_select="crystalhd"
2495 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2496 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2497 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2498 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2499 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2502 h264_parser_select="h264_decoder"
2503 hevc_parser_select="golomb"
2504 mpegvideo_parser_select="mpegvideo"
2505 mpeg4video_parser_select="h263dsp mpegvideo qpeldsp"
2506 vc1_parser_select="mpegvideo startcode vc1_decoder"
2509 mjpeg2jpeg_bsf_select="jpegtables"
2511 # external libraries
2512 chromaprint_muxer_deps="chromaprint"
2513 libaacplus_encoder_deps="libaacplus"
2514 libcelt_decoder_deps="libcelt"
2515 libdcadec_decoder_deps="libdcadec"
2516 libfaac_encoder_deps="libfaac"
2517 libfaac_encoder_select="audio_frame_queue"
2518 libfdk_aac_decoder_deps="libfdk_aac"
2519 libfdk_aac_encoder_deps="libfdk_aac"
2520 libfdk_aac_encoder_select="audio_frame_queue"
2521 libgme_demuxer_deps="libgme"
2522 libgsm_decoder_deps="libgsm"
2523 libgsm_encoder_deps="libgsm"
2524 libgsm_ms_decoder_deps="libgsm"
2525 libgsm_ms_encoder_deps="libgsm"
2526 libilbc_decoder_deps="libilbc"
2527 libilbc_encoder_deps="libilbc"
2528 libkvazaar_encoder_deps="libkvazaar"
2529 libmodplug_demuxer_deps="libmodplug"
2530 libmp3lame_encoder_deps="libmp3lame"
2531 libmp3lame_encoder_select="audio_frame_queue"
2532 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2533 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2534 libopencore_amrnb_encoder_select="audio_frame_queue"
2535 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2536 libopenh264_encoder_deps="libopenh264"
2537 libopenjpeg_decoder_deps="libopenjpeg"
2538 libopenjpeg_encoder_deps="libopenjpeg"
2539 libopus_decoder_deps="libopus"
2540 libopus_encoder_deps="libopus"
2541 libopus_encoder_select="audio_frame_queue"
2542 libquvi_demuxer_deps="libquvi"
2543 libschroedinger_decoder_deps="libschroedinger"
2544 libschroedinger_encoder_deps="libschroedinger"
2545 libshine_encoder_deps="libshine"
2546 libshine_encoder_select="audio_frame_queue"
2547 libspeex_decoder_deps="libspeex"
2548 libspeex_encoder_deps="libspeex"
2549 libspeex_encoder_select="audio_frame_queue"
2550 libstagefright_h264_decoder_deps="libstagefright_h264"
2551 libtheora_encoder_deps="libtheora"
2552 libtwolame_encoder_deps="libtwolame"
2553 libvo_aacenc_encoder_deps="libvo_aacenc"
2554 libvo_aacenc_encoder_select="audio_frame_queue"
2555 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2556 libvorbis_decoder_deps="libvorbis"
2557 libvorbis_encoder_deps="libvorbis"
2558 libvorbis_encoder_select="audio_frame_queue"
2559 libvpx_vp8_decoder_deps="libvpx"
2560 libvpx_vp8_encoder_deps="libvpx"
2561 libvpx_vp9_decoder_deps="libvpx"
2562 libvpx_vp9_encoder_deps="libvpx"
2563 libwavpack_encoder_deps="libwavpack"
2564 libwebp_encoder_deps="libwebp"
2565 libwebp_anim_encoder_deps="libwebp"
2566 libx262_encoder_deps="libx262"
2567 libx264_encoder_deps="libx264"
2568 libx264rgb_encoder_deps="libx264"
2569 libx264rgb_encoder_select="libx264_encoder"
2570 libx265_encoder_deps="libx265"
2571 libxavs_encoder_deps="libxavs"
2572 libxvid_encoder_deps="libxvid"
2573 libutvideo_decoder_deps="libutvideo"
2574 libutvideo_encoder_deps="libutvideo"
2575 libzvbi_teletext_decoder_deps="libzvbi"
2576 nvenc_encoder_deps="nvenc"
2577 nvenc_h264_encoder_deps="nvenc"
2578 nvenc_hevc_encoder_deps="nvenc"
2581 ac3_demuxer_select="ac3_parser"
2582 asf_demuxer_select="riffdec"
2583 asf_o_demuxer_select="riffdec"
2584 asf_muxer_select="riffenc"
2585 asf_stream_muxer_select="asf_muxer"
2586 avi_demuxer_select="riffdec exif"
2587 avi_muxer_select="riffenc"
2588 avisynth_demuxer_deps="avisynth"
2589 avisynth_demuxer_select="riffdec"
2590 caf_demuxer_select="riffdec"
2591 dash_muxer_select="mp4_muxer"
2592 dirac_demuxer_select="dirac_parser"
2593 dts_demuxer_select="dca_parser"
2594 dtshd_demuxer_select="dca_parser"
2595 dv_demuxer_select="dvprofile"
2596 dv_muxer_select="dvprofile"
2597 dxa_demuxer_select="riffdec"
2598 eac3_demuxer_select="ac3_parser"
2599 f4v_muxer_select="mov_muxer"
2600 flac_demuxer_select="flac_parser"
2601 hds_muxer_select="flv_muxer"
2602 hls_muxer_select="mpegts_muxer"
2603 image2_alias_pix_demuxer_select="image2_demuxer"
2604 image2_brender_pix_demuxer_select="image2_demuxer"
2605 ipod_muxer_select="mov_muxer"
2606 ismv_muxer_select="mov_muxer"
2607 libnut_demuxer_deps="libnut"
2608 libnut_muxer_deps="libnut"
2609 matroska_audio_muxer_select="matroska_muxer"
2610 matroska_demuxer_select="riffdec"
2611 matroska_demuxer_suggest="bzlib lzo zlib"
2612 matroska_muxer_select="riffenc"
2613 mmf_muxer_select="riffenc"
2614 mov_demuxer_select="riffdec"
2615 mov_demuxer_suggest="zlib"
2616 mov_muxer_select="riffenc rtpenc_chain"
2617 mp3_demuxer_select="mpegaudio_parser"
2618 mp4_muxer_select="mov_muxer"
2619 mpegts_muxer_select="adts_muxer latm_muxer"
2620 mpegtsraw_demuxer_select="mpegts_demuxer"
2621 mxf_d10_muxer_select="mxf_muxer"
2622 mxf_opatom_muxer_select="mxf_muxer"
2623 nut_muxer_select="riffenc"
2624 nuv_demuxer_select="riffdec"
2625 oga_muxer_select="ogg_muxer"
2626 ogg_demuxer_select="golomb"
2627 opus_muxer_select="ogg_muxer"
2628 psp_muxer_select="mov_muxer"
2629 rtp_demuxer_select="sdp_demuxer"
2630 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol"
2631 rtsp_demuxer_select="http_protocol rtpdec"
2632 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2633 sap_demuxer_select="sdp_demuxer"
2634 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2635 sdp_demuxer_select="rtpdec"
2636 smoothstreaming_muxer_select="ismv_muxer"
2637 spdif_muxer_select="aac_parser"
2638 spx_muxer_select="ogg_muxer"
2639 tak_demuxer_select="tak_parser"
2640 tg2_muxer_select="mov_muxer"
2641 tgp_muxer_select="mov_muxer"
2642 vobsub_demuxer_select="mpegps_demuxer"
2643 w64_demuxer_select="wav_demuxer"
2644 w64_muxer_select="wav_muxer"
2645 wav_demuxer_select="riffdec"
2646 wav_muxer_select="riffenc"
2647 webm_muxer_select="riffenc"
2648 wtv_demuxer_select="riffdec"
2649 wtv_muxer_select="riffenc"
2650 xmv_demuxer_select="riffdec"
2651 xwma_demuxer_select="riffdec"
2654 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2655 alsa_outdev_deps="alsa_asoundlib_h"
2656 avfoundation_indev_extralibs="-framework CoreVideo -framework Foundation -framework AVFoundation -framework CoreMedia"
2657 avfoundation_indev_select="avfoundation"
2658 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2659 caca_outdev_deps="libcaca"
2660 decklink_outdev_deps="decklink pthreads"
2661 decklink_outdev_extralibs="-lstdc++"
2662 decklink_indev_deps="decklink pthreads"
2663 decklink_indev_extralibs="-lstdc++"
2664 dshow_indev_deps="IBaseFilter"
2665 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"
2666 dv1394_indev_deps="dv1394"
2667 dv1394_indev_select="dv_demuxer"
2668 fbdev_indev_deps="linux_fb_h"
2669 fbdev_outdev_deps="linux_fb_h"
2670 gdigrab_indev_deps="CreateDIBSection"
2671 gdigrab_indev_extralibs="-lgdi32"
2672 gdigrab_indev_select="bmp_decoder"
2673 iec61883_indev_deps="libiec61883"
2674 jack_indev_deps="jack_jack_h sem_timedwait"
2675 lavfi_indev_deps="avfilter"
2676 libcdio_indev_deps="libcdio"
2677 libdc1394_indev_deps="libdc1394"
2678 libv4l2_indev_deps="libv4l2"
2679 openal_indev_deps="openal"
2680 opengl_outdev_deps="opengl"
2681 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2682 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2683 pulse_indev_deps="libpulse"
2684 pulse_outdev_deps="libpulse"
2685 qtkit_indev_extralibs="-framework QTKit -framework Foundation -framework QuartzCore"
2686 qtkit_indev_select="qtkit"
2687 sdl_outdev_deps="sdl"
2688 sndio_indev_deps="sndio_h"
2689 sndio_outdev_deps="sndio_h"
2690 v4l_indev_deps="linux_videodev_h"
2691 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2692 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
2693 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2694 vfwcap_indev_extralibs="-lavicap32"
2695 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
2696 xv_outdev_extralibs="-lXv -lX11 -lXext"
2697 x11grab_indev_deps="x11grab"
2698 x11grab_xcb_indev_deps="libxcb"
2701 async_protocol_deps="threads"
2702 bluray_protocol_deps="libbluray"
2703 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2704 ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"
2705 ffrtmpcrypt_protocol_select="tcp_protocol"
2706 ffrtmphttp_protocol_deps="!librtmp_protocol"
2707 ffrtmphttp_protocol_select="http_protocol"
2708 ftp_protocol_select="tcp_protocol"
2709 gopher_protocol_select="network"
2710 http_protocol_select="tcp_protocol"
2711 httpproxy_protocol_select="tcp_protocol"
2712 https_protocol_select="tls_protocol"
2713 icecast_protocol_select="http_protocol"
2714 librtmp_protocol_deps="librtmp"
2715 librtmpe_protocol_deps="librtmp"
2716 librtmps_protocol_deps="librtmp"
2717 librtmpt_protocol_deps="librtmp"
2718 librtmpte_protocol_deps="librtmp"
2719 libsmbclient_protocol_deps="libsmbclient gplv3"
2720 libssh_protocol_deps="libssh"
2721 mmsh_protocol_select="http_protocol"
2722 mmst_protocol_select="network"
2723 rtmp_protocol_deps="!librtmp_protocol"
2724 rtmp_protocol_select="tcp_protocol"
2725 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2726 rtmps_protocol_deps="!librtmp_protocol"
2727 rtmps_protocol_select="tls_protocol"
2728 rtmpt_protocol_select="ffrtmphttp_protocol"
2729 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2730 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2731 rtp_protocol_select="udp_protocol"
2732 sctp_protocol_deps="struct_sctp_event_subscribe"
2733 sctp_protocol_select="network"
2734 srtp_protocol_select="rtp_protocol"
2735 tcp_protocol_select="network"
2736 tls_gnutls_protocol_deps="gnutls !tls_securetransport_protocol"
2737 tls_gnutls_protocol_select="tcp_protocol"
2738 tls_openssl_protocol_deps="openssl !tls_securetransport_protocol !tls_gnutls_protocol"
2739 tls_openssl_protocol_select="tcp_protocol"
2740 tls_securetransport_protocol_deps="securetransport"
2741 tls_securetransport_protocol_select="tcp_protocol"
2742 tls_protocol_deps_any="tls_securetransport_protocol tls_gnutls_protocol tls_openssl_protocol"
2743 udp_protocol_select="network"
2744 udplite_protocol_select="network"
2745 unix_protocol_deps="sys_un_h"
2746 unix_protocol_select="network"
2749 amovie_filter_deps="avcodec avformat"
2750 aresample_filter_deps="swresample"
2751 ass_filter_deps="libass"
2752 asyncts_filter_deps="avresample"
2753 atempo_filter_deps="avcodec"
2754 atempo_filter_select="rdft"
2755 azmq_filter_deps="libzmq"
2756 blackframe_filter_deps="gpl"
2757 boxblur_filter_deps="gpl"
2758 bs2b_filter_deps="libbs2b"
2759 colormatrix_filter_deps="gpl"
2760 cover_rect_filter_deps="avcodec avformat gpl"
2761 cropdetect_filter_deps="gpl"
2762 delogo_filter_deps="gpl"
2763 deshake_filter_select="pixelutils"
2764 drawtext_filter_deps="libfreetype"
2765 dynaudnorm_filter_deps="copysign erf"
2766 ebur128_filter_deps="gpl"
2767 eq_filter_deps="gpl"
2768 fftfilt_filter_deps="avcodec"
2769 fftfilt_filter_select="rdft"
2770 flite_filter_deps="libflite"
2771 find_rect_filter_deps="avcodec avformat gpl"
2772 frei0r_filter_deps="frei0r dlopen"
2773 frei0r_src_filter_deps="frei0r dlopen"
2774 fspp_filter_deps="gpl"
2775 geq_filter_deps="gpl"
2776 histeq_filter_deps="gpl"
2777 hqdn3d_filter_deps="gpl"
2778 interlace_filter_deps="gpl"
2779 kerndeint_filter_deps="gpl"
2780 ladspa_filter_deps="ladspa dlopen"
2781 mcdeint_filter_deps="avcodec gpl"
2782 movie_filter_deps="avcodec avformat"
2783 mpdecimate_filter_deps="gpl"
2784 mpdecimate_filter_select="pixelutils"
2785 mptestsrc_filter_deps="gpl"
2786 negate_filter_deps="lut_filter"
2787 perspective_filter_deps="gpl"
2788 pp7_filter_deps="gpl"
2789 ocr_filter_deps="libtesseract"
2790 ocv_filter_deps="libopencv"
2791 owdenoise_filter_deps="gpl"
2792 pan_filter_deps="swresample"
2793 phase_filter_deps="gpl"
2794 pp_filter_deps="gpl postproc"
2795 pullup_filter_deps="gpl"
2796 removelogo_filter_deps="avcodec avformat swscale"
2797 repeatfields_filter_deps="gpl"
2798 resample_filter_deps="avresample"
2799 rubberband_filter_deps="librubberband"
2800 sab_filter_deps="gpl swscale"
2801 scale_filter_deps="swscale"
2802 scale2ref_filter_deps="swscale"
2803 select_filter_select="pixelutils"
2804 smartblur_filter_deps="gpl swscale"
2805 showcqt_filter_deps="avcodec"
2806 showcqt_filter_select="fft"
2807 showfreqs_filter_deps="avcodec"
2808 showfreqs_filter_select="fft"
2809 showspectrum_filter_deps="avcodec"
2810 showspectrum_filter_select="rdft"
2811 spp_filter_deps="gpl avcodec"
2812 spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"
2813 stereo3d_filter_deps="gpl"
2814 subtitles_filter_deps="avformat avcodec libass"
2815 super2xsai_filter_deps="gpl"
2816 tinterlace_filter_deps="gpl"
2817 vidstabdetect_filter_deps="libvidstab"
2818 vidstabtransform_filter_deps="libvidstab"
2819 pixfmts_super2xsai_test_deps="super2xsai_filter"
2820 tinterlace_merge_test_deps="tinterlace_filter"
2821 tinterlace_pad_test_deps="tinterlace_filter"
2822 uspp_filter_deps="gpl avcodec"
2823 zmq_filter_deps="libzmq"
2824 zoompan_filter_deps="swscale"
2827 avio_reading="avformat avcodec avutil"
2828 avio_dir_cmd="avformat avutil"
2829 avcodec_example_deps="avcodec avutil"
2830 decoding_encoding_example_deps="avcodec avformat avutil"
2831 demuxing_decoding_example_deps="avcodec avformat avutil"
2832 extract_mvs_example_deps="avcodec avformat avutil"
2833 filter_audio_example_deps="avfilter avutil"
2834 filtering_audio_example_deps="avfilter avcodec avformat avutil"
2835 filtering_video_example_deps="avfilter avcodec avformat avutil"
2836 metadata_example_deps="avformat avutil"
2837 muxing_example_deps="avcodec avformat avutil swscale"
2838 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder vaapi_x11"
2839 remuxing_example_deps="avcodec avformat avutil"
2840 resampling_audio_example_deps="avutil swresample"
2841 scaling_video_example_deps="avutil swscale"
2842 transcode_aac_example_deps="avcodec avformat swresample"
2843 transcoding_example_deps="avfilter avcodec avformat avutil"
2845 # libraries, in linking order
2846 avcodec_deps="avutil"
2847 avdevice_deps="avformat avcodec avutil"
2848 avfilter_deps="avutil"
2849 avformat_deps="avcodec avutil"
2850 avresample_deps="avutil"
2851 postproc_deps="avutil gpl"
2852 swresample_deps="avutil"
2853 swscale_deps="avutil"
2856 ffmpeg_deps="avcodec avfilter avformat swresample"
2857 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
2859 setpts_filter trim_filter"
2860 ffplay_deps="avcodec avformat swscale swresample sdl"
2861 ffplay_libs='$sdl_libs'
2862 ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"
2863 ffprobe_deps="avcodec avformat"
2864 ffserver_deps="avformat fork sarestart"
2865 ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
2868 podpages_deps="perl"
2869 manpages_deps="perl pod2man"
2870 htmlpages_deps="perl"
2871 htmlpages_deps_any="makeinfo_html texi2html"
2872 txtpages_deps="perl makeinfo"
2873 doc_deps_any="manpages htmlpages podpages txtpages"
2875 # default parameters
2877 logfile="config.log"
2879 # installation paths
2880 prefix_default="/usr/local"
2881 bindir_default='${prefix}/bin'
2882 datadir_default='${prefix}/share/ffmpeg'
2883 docdir_default='${prefix}/share/doc/ffmpeg'
2884 incdir_default='${prefix}/include'
2885 libdir_default='${prefix}/lib'
2886 mandir_default='${prefix}/share/man'
2892 host_cc_default="gcc"
2894 doxygen_default="doxygen"
2899 pkg_config_default=pkg-config
2900 ranlib_default="ranlib"
2901 strip_default="strip"
2902 yasmexe_default="yasm"
2903 windres_default="windres"
2906 target_os_default=$(tolower $(uname -s))
2907 host_os=$target_os_default
2910 if test "$target_os_default" = aix; then
2911 arch_default=$(uname -p)
2912 strip_default="strip -X32_64"
2914 arch_default=$(uname -m)
2919 # configurable options
2920 enable $PROGRAM_LIST
2921 enable $DOCUMENT_LIST
2922 enable $EXAMPLE_LIST
2923 enable $(filter_out avresample $LIBRARY_LIST)
2929 enable faan faandct faanidct
2930 enable optimizations
2931 enable runtime_cpudetect
2932 enable safe_bitstream_reader
2934 enable swscale_alpha
2935 enable valgrind_backtrace
2937 sws_max_filter_size_default=256
2938 set_default sws_max_filter_size
2940 # Enable hwaccels by default.
2941 enable d3d11va dxva2 vaapi vda vdpau videotoolbox xvmc
2945 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2948 FULLNAME='$(NAME)$(BUILDSUF)'
2949 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2952 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2953 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2954 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2955 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2956 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2957 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2979 host_cflags_filter=echo
2980 host_ldflags_filter=echo
2982 target_path='$(CURDIR)'
2984 # since the object filename is not given with the -MM flag, the compiler
2985 # is only able to print the basename, and we must add the path ourselves
2986 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>/dev/null | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2990 if test -f configure; then
2993 source_path=$(cd $(dirname "$0"); pwd)
2994 case "$source_path" in
2995 *[[:blank:]]*) die "Out of tree builds are impossible with whitespace in source path." ;;
2997 test -e "$source_path/config.h" &&
2998 die "Out of tree builds are impossible with config.h in source dir."
3005 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
3011 file=$source_path/$3
3012 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
3015 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
3016 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
3017 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
3018 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
3019 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
3020 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
3021 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
3022 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
3023 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
3024 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
3025 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
3041 for n in $COMPONENT_LIST; do
3042 v=$(toupper ${n%s})_LIST
3044 eval ${n}_if_any="\$$v"
3047 enable $ARCH_EXT_LIST
3050 echo "Unknown option \"$1\"."
3051 echo "See $0 --help for available options."
3055 print_in_columns() {
3056 cols=$(expr $ncols / 24)
3057 cat | tr ' ' '\n' | sort | pr -r "-$cols" -w $ncols -t
3063 echo $* | sed s/$suffix//g | print_in_columns
3075 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
3076 echo "prob ${prob:-0.5}"
3084 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
3085 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
3094 --extra-ldexeflags=*)
3095 add_ldexeflags $optval
3097 --extra-ldlibflags=*)
3098 add_ldlibflags $optval
3101 add_extralibs $optval
3104 disable $INDEV_LIST $OUTDEV_LIST
3107 debuglevel="$optval"
3110 disable $PROGRAM_LIST
3112 --disable-everything)
3113 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3116 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3117 disable $LIBRARY_LIST $PROGRAM_LIST doc
3119 --enable-random|--disable-random)
3120 action=${opt%%-random}
3121 do_random ${action#--} $COMPONENT_LIST
3123 --enable-random=*|--disable-random=*)
3124 action=${opt%%-random=*}
3125 do_random ${action#--} $optval
3127 --enable-*=*|--disable-*=*)
3128 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
3129 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
3130 eval list=\$$(toupper $thing)_LIST
3131 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
3132 list=$(filter "$name" $list)
3133 [ "$list" = "" ] && warn "Option $opt did not match anything"
3136 --enable-?*|--disable-?*)
3137 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
3138 if is_in $option $COMPONENT_LIST; then
3139 test $action = disable && action=unset
3140 eval $action \$$(toupper ${option%s})_LIST
3141 elif is_in $option $CMDLINE_SELECT; then
3148 NAME="${opt#--list-}"
3149 is_in $NAME $COMPONENT_LIST || die_unknown $opt
3151 eval show_list $NAME \$$(toupper $NAME)_LIST
3153 --help|-h) show_help
3155 --fatal-warnings) enable fatal_warnings
3158 optname="${opt%%=*}"
3159 optname="${optname#--}"
3160 optname=$(echo "$optname" | sed 's/-/_/g')
3161 if is_in $optname $CMDLINE_SET; then
3162 eval $optname='$optval'
3163 elif is_in $optname $CMDLINE_APPEND; then
3164 append $optname "$optval"
3176 disabled logging && logfile=/dev/null
3178 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
3181 test -n "$valgrind" && toolchain="valgrind-memcheck"
3183 case "$toolchain" in
3186 add_cflags -fsanitize=address
3187 add_ldflags -fsanitize=address
3191 add_cflags -fsanitize=thread -pie
3192 add_ldflags -fsanitize=thread -pie
3196 add_cflags -fsanitize=undefined
3197 add_ldflags -fsanitize=undefined
3201 add_cflags -fsanitize=address
3202 add_ldflags -fsanitize=address
3206 add_cflags -fsanitize=thread -pie -fPIC
3207 add_ldflags -fsanitize=thread -pie -fPIC
3211 add_cflags -fsanitize=undefined
3212 add_ldflags -fsanitize=undefined
3215 target_exec_default=${valgrind:-"valgrind"}
3216 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"
3219 target_exec_default=${valgrind:-"valgrind"}
3220 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
3223 # Check whether the current MSVC version needs the C99 converter.
3224 # From MSVC 2013 (compiler major version 18) onwards, it does actually
3225 # support enough of C99 to build ffmpeg. Default to the new
3226 # behaviour if the regexp was unable to match anything, since this
3227 # successfully parses the version number of existing supported
3228 # versions that require the converter (MSVC 2010 and 2012).
3229 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
3230 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
3233 cc_default="c99wrap cl"
3235 ld_default="$source_path/compat/windows/mslink"
3236 nm_default="dumpbin -symbols"
3243 target_os_default="win32"
3244 # Use a relative path for TMPDIR. This makes sure all the
3245 # ffconf temp files are written with a relative path, avoiding
3246 # issues with msys/win32 path conversion for MSVC parameters
3247 # such as -Fo<file> or -out:<file>.
3253 nm_default="dumpbin -symbols"
3255 target_os_default="win32"
3259 add_cflags -fprofile-arcs -ftest-coverage
3260 add_ldflags -fprofile-arcs -ftest-coverage
3263 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
3264 add_cflags -fno-strict-overflow -fstack-protector-all
3265 add_ldflags -Wl,-z,relro -Wl,-z,now
3268 die "Unknown toolchain $toolchain"
3272 test -n "$cross_prefix" && enable cross_compile
3274 if enabled cross_compile; then
3275 test -n "$arch" && test -n "$target_os" ||
3276 die "Must specify target arch and OS when cross-compiling"
3279 ar_default="${cross_prefix}${ar_default}"
3280 cc_default="${cross_prefix}${cc_default}"
3281 cxx_default="${cross_prefix}${cxx_default}"
3282 nm_default="${cross_prefix}${nm_default}"
3283 pkg_config_default="${cross_prefix}${pkg_config_default}"
3284 if ${cross_prefix}${ranlib_default} 2>&1 | grep -q "\-D "; then
3285 ranlib_default="${cross_prefix}${ranlib_default} -D"
3287 ranlib_default="${cross_prefix}${ranlib_default}"
3289 strip_default="${cross_prefix}${strip_default}"
3290 windres_default="${cross_prefix}${windres_default}"
3292 sysinclude_default="${sysroot}/usr/include"
3294 set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \
3295 target_exec target_os yasmexe
3296 enabled cross_compile || host_cc_default=$cc
3299 pkg_config_fail_message=""
3300 if ! $pkg_config --version >/dev/null 2>&1; then
3301 warn "$pkg_config not found, library detection may fail."
3303 elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then
3304 pkg_config_fail_message="
3305 Note: When building a static binary, add --pkg-config-flags=\"--static\"."
3308 if test $doxygen != $doxygen_default && \
3309 ! $doxygen --version >/dev/null 2>&1; then
3310 warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."
3315 mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
3319 EXESUF=$(exesuf $target_os)
3320 HOSTEXESUF=$(exesuf $host_os)
3322 # set temporary file name
3323 : ${TMPDIR:=$TEMPDIR}
3327 if [ -n "$tempprefix" ] ; then
3329 echo $tempprefix.${HOSTNAME}.${UID}
3331 elif ! check_cmd mktemp -u XXXXXX; then
3332 # simple replacement for missing mktemp
3333 # NOT SAFE FOR GENERAL USE
3335 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
3340 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
3341 (set -C; exec > $tmp) 2>/dev/null ||
3342 die "Unable to create temporary file in $TMPDIR."
3343 append TMPFILES $tmp
3347 trap 'rm -f -- $TMPFILES' EXIT
3352 tmpfile TMPE $EXESUF
3364 # make sure we can execute files in $TMPDIR
3365 cat > $TMPSH 2>> $logfile <<EOF
3368 chmod +x $TMPSH >> $logfile 2>&1
3369 if ! $TMPSH >> $logfile 2>&1; then
3371 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
3372 variable to another directory and make sure that it is not mounted noexec.
3374 die "Sanity test failed."
3380 # Filter out MSVC cl.exe options from cflags that shouldn't
3381 # be passed to gas-preprocessor
3391 -std=c99) echo -c99 ;;
3392 -mcpu=*) echo -arch ${flag#*=} ;;
3393 -mieee) echo -ieee ;;
3394 -O*|-fast) echo $flag ;;
3395 -fno-math-errno) echo -assume nomath_errno ;;
3397 -Wall) echo -msg_enable level2 ;;
3398 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
3399 -Wl,*) echo $flag ;;
3409 -Wno-switch) echo -Wno-switch-enum ;;
3410 -Wno-format-zero-length) ;;
3411 -Wdisabled-optimization) ;;
3412 -Wno-pointer-sign) echo -Wno-other ;;
3418 msvc_common_flags(){
3421 # In addition to specifying certain flags under the compiler
3422 # specific filters, they must be specified here as well or else the
3423 # generic catch all at the bottom will print the original flag.
3427 -fomit-frame-pointer) ;;
3431 -fno-signed-zeros) ;;
3435 -lz) echo zlib.lib ;;
3436 -lavifil32) echo vfw32.lib ;;
3437 -lavicap32) echo vfw32.lib user32.lib ;;
3438 -l*) echo ${flag#-l}.lib ;;
3439 -LARGEADDRESSAWARE) echo $flag ;;
3440 -L*) echo -libpath:${flag#-L} ;;
3447 msvc_common_flags "$@"
3450 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
3451 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
3452 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
3454 -wd4273 -wd4554 -wd4701 ;;
3460 msvc_common_flags "$@"
3463 # Despite what Intel's documentation says -Wall, which is supported
3464 # on Windows, does enable remarks so disable them here.
3465 -Wall) echo $flag -Qdiag-disable:remark ;;
3466 -std=c99) echo -Qstd=c99 ;;
3484 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
3485 -fomit-frame-pointer) echo -Mnoframe ;;
3496 case "${flag#*=}" in
3497 native) echo -xtarget=native ;;
3498 v9|niagara) echo -xarch=sparc ;;
3499 ultrasparc) echo -xarch=sparcvis ;;
3500 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
3501 i586|pentium) echo -xchip=pentium ;;
3502 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
3503 pentium3*|c3-2) echo -xtarget=pentium3 ;;
3504 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
3505 pentium4*) echo -xtarget=pentium4 ;;
3506 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
3507 *-sse3) echo -xarch=sse3 ;;
3508 core2) echo -xarch=ssse3 -xchip=core2 ;;
3509 bonnell) echo -xarch=ssse3 ;;
3510 corei7|nehalem) echo -xtarget=nehalem ;;
3511 westmere) echo -xtarget=westmere ;;
3512 silvermont) echo -xarch=sse4_2 ;;
3513 corei7-avx|sandybridge) echo -xtarget=sandybridge ;;
3514 core-avx*|ivybridge|haswell|broadwell)
3516 amdfam10|barcelona) echo -xtarget=barcelona ;;
3517 btver1) echo -xarch=amdsse4a ;;
3518 btver2|bdver*) echo -xarch=avx ;;
3519 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
3520 k8|opteron|athlon64|athlon-fx)
3521 echo -xarch=sse2a ;;
3522 athlon*) echo -xarch=pentium_proa ;;
3525 -std=c99) echo -xc99 ;;
3526 -fomit-frame-pointer) echo -xregs=frameptr ;;
3527 -fPIC) echo -KPIC -xcode=pic32 ;;
3528 -W*,*) echo $flag ;;
3529 -f*-*|-W*|-mimpure-text) ;;
3540 case "${flag#*=}" in
3541 armv7-a|cortex-a*) echo -mv=7a8 ;;
3542 armv7-r|cortex-r*) echo -mv=7r4 ;;
3543 armv7-m|cortex-m*) echo -mv=7m3 ;;
3544 armv6*|arm11*) echo -mv=6 ;;
3545 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
3547 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
3550 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
3551 -mfpu=vfp) echo --float_support=vfpv2 ;;
3552 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
3553 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
3554 -msoft-float) echo --float_support=vfplib ;;
3555 -O[0-3]|-mf=*) echo $flag ;;
3557 -pds=*) echo $flag ;;
3558 -D*|-I*) echo $flag ;;
3559 --gcc|--abi=*) echo $flag ;;
3570 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
3571 unset _ld_o _ldflags _ld_lib _ld_path
3572 unset _depflags _DEPCMD _DEPFLAGS
3575 if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
3576 true # no-op to avoid reading stdin in following checks
3577 elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
3579 gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')
3580 _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"
3581 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3584 elif $_cc -v 2>&1 | grep -qi ^gcc; then
3586 gcc_version=$($_cc --version | head -n1)
3587 gcc_basever=$($_cc -dumpversion)
3588 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
3589 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
3590 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
3591 case $gcc_basever in
3592 2*) _depflags='-MMD -MF $(@:.o=.d) -MT $@' ;;
3594 if [ "$first" = true ]; then
3595 case $gcc_basever in
3597 warn "gcc 4.2 is outdated and may miscompile FFmpeg. Please use a newer compiler." ;;
3602 elif $_cc --version 2>/dev/null | grep -q ^icc; then
3604 _ident=$($_cc --version | head -n1)
3609 _flags_filter=icc_flags
3610 elif $_cc -v 2>&1 | grep -q xlc; then
3612 _ident=$($_cc -qversion 2>/dev/null | head -n1)
3614 _cflags_size='-O5 -qcompact'
3615 elif $_cc -V 2>/dev/null | grep -q Compaq; then
3617 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
3619 _cflags_speed='-fast'
3621 _flags_filter=ccc_flags
3622 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
3623 test -d "$sysroot" || die "No valid sysroot specified."
3625 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
3626 armcc_conf="$PWD/armcc.conf"
3627 $_cc --arm_linux_configure \
3628 --arm_linux_config_file="$armcc_conf" \
3629 --configure_sysroot="$sysroot" \
3630 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
3631 die "Error creating armcc configuration file."
3632 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
3633 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
3634 as_default="${cross_prefix}gcc"
3638 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
3640 _ident=$($_cc -version | head -n1 | tr -s ' ')
3641 _flags='--gcc --abi=eabi -me'
3644 _depflags='-ppa -ppd=$(@:.o=.d)'
3645 _cflags_speed='-O3 -mf=5'
3646 _cflags_size='-O3 -mf=2'
3647 _flags_filter=tms470_flags
3648 elif $_cc -v 2>&1 | grep -q clang; then
3650 _ident=$($_cc --version 2>/dev/null | head -n1)
3651 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3654 elif $_cc -V 2>&1 | grep -q Sun; then
3656 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
3657 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3658 _DEPFLAGS='-xM1 -xc99'
3661 _cflags_size='-O5 -xspace'
3662 _flags_filter=suncc_flags
3663 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
3665 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3666 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3669 _flags_filter='filter_out -Wdisabled-optimization'
3670 elif $_cc -v 2>&1 | grep -q Open64; then
3672 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3673 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3676 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3677 elif $_cc -V 2>&1 | grep -q Portland; then
3679 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3680 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3681 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3682 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3684 _flags_filter=pgi_flags
3685 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
3687 _ident=$($_cc | head -n1)
3688 # 4509: "This form of conditional instruction is deprecated"
3689 _flags="-nologo -ignore 4509"
3690 _flags_filter=armasm_flags
3691 elif $_cc 2>&1 | grep -q Intel; then
3693 _ident=$($_cc 2>&1 | head -n1)
3694 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3695 # Not only is O3 broken on 13.x+ but it is slower on all previous
3696 # versions (tested) as well.
3698 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3699 if $_cc 2>&1 | grep -q Linker; then
3706 _flags_filter=icl_flags
3708 _ld_path='-libpath:'
3709 # -Qdiag-error to make icl error when seeing certain unknown arguments
3710 _flags='-nologo -Qdiag-error:4044,10157'
3711 # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency
3712 # with MSVC which enables it by default.
3713 _cflags='-D_USE_MATH_DEFINES -Qms0 -Qvec- -Qsimd- -GS -fp:precise'
3715 elif $_cc -nologo- 2>&1 | grep -q Microsoft; then
3717 _ident=$($_cc 2>&1 | head -n1)
3718 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3719 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3722 if $_cc -nologo- 2>&1 | grep -q Linker; then
3729 _flags_filter=msvc_flags
3731 _ld_path='-libpath:'
3733 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS'
3735 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3737 _ident=$($_cc --version | head -n1)
3741 _flags_filter=cparser_flags
3744 eval ${pfx}_type=\$_type
3745 eval ${pfx}_ident=\$_ident
3749 eval ${1}_C=\${_cc_c-\${${1}_C}}
3750 eval ${1}_E=\${_cc_e-\${${1}_E}}
3751 eval ${1}_O=\${_cc_o-\${${1}_O}}
3753 if [ -n "$_depflags" ]; then
3754 eval ${1}_DEPFLAGS=\$_depflags
3756 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3757 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3758 eval DEP${1}FLAGS=\$_flags
3762 probe_cc cc "$cc" "true"
3763 cflags_filter=$_flags_filter
3764 cflags_speed=$_cflags_speed
3765 cflags_size=$_cflags_size
3766 cflags_noopt=$_cflags_noopt
3767 add_cflags $_flags $_cflags
3768 cc_ldflags=$_ldflags
3771 probe_cc hostcc "$host_cc"
3772 host_cflags_filter=$_flags_filter
3773 add_host_cflags $_flags $_cflags
3776 test -n "$cc_type" && enable $cc_type ||
3777 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3779 : ${as_default:=$cc}
3780 : ${dep_cc_default:=$cc}
3781 : ${ld_default:=$cc}
3782 : ${host_ld_default:=$host_cc}
3783 set_default ar as dep_cc ld host_ld windres
3786 asflags_filter=$_flags_filter
3787 add_asflags $_flags $_cflags
3791 ldflags_filter=$_flags_filter
3792 add_ldflags $_flags $_ldflags
3793 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3795 LD_LIB=${_ld_lib-$LD_LIB}
3796 LD_PATH=${_ld_path-$LD_PATH}
3798 probe_cc hostld "$host_ld"
3799 host_ldflags_filter=$_flags_filter
3800 add_host_ldflags $_flags $_ldflags
3801 HOSTLD_O=${_ld_o-$HOSTLD_O}
3803 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3804 probe_cc depcc "$dep_cc"
3805 CCDEP=${_DEPCMD:-$DEPCMD}
3806 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3810 if $ar 2>&1 | grep -q Microsoft; then
3813 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3816 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3817 arflags='-Xany -r -c'
3819 elif $ar 2>&1 | grep -q "\[D\] "; then
3827 add_cflags $extra_cflags
3828 add_cxxflags $extra_cxxflags
3829 add_asflags $extra_cflags
3831 if test -n "$sysroot"; then
3834 add_cppflags --sysroot="$sysroot"
3835 add_ldflags --sysroot="$sysroot"
3836 # On Darwin --sysroot may be ignored, -isysroot always affects headers and linking
3837 add_cppflags -isysroot "$sysroot"
3838 add_ldflags -isysroot "$sysroot"
3841 add_cppflags -I"$sysinclude"
3842 add_ldflags --sysroot="$sysroot"
3847 if test "$cpu" = host; then
3848 enabled cross_compile &&
3849 die "--cpu=host makes no sense when cross-compiling."
3854 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3856 s/.*$1=\\([^ ]*\\).*/\\1/
3861 cpu=$(check_native -march || check_native -mcpu)
3865 test "${cpu:-host}" = host &&
3866 die "--cpu=host not supported with compiler $cc"
3869 # Deal with common $arch aliases
3883 "Power Macintosh"|ppc*|powerpc*)
3898 i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
3903 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3906 # Add processor-specific flags
3907 if enabled aarch64; then
3911 cpuflags="-march=$cpu"
3914 cpuflags="-mcpu=$cpu"
3918 elif enabled alpha; then
3920 cpuflags="-mcpu=$cpu"
3922 elif enabled arm; then
3925 check_cpp_condition stddef.h \
3926 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3931 if check_arm_arch 4; then echo armv4;
3932 elif check_arm_arch 4T; then echo armv4t;
3933 elif check_arm_arch 5; then echo armv5;
3934 elif check_arm_arch 5E; then echo armv5e;
3935 elif check_arm_arch 5T; then echo armv5t;
3936 elif check_arm_arch 5TE; then echo armv5te;
3937 elif check_arm_arch 5TEJ; then echo armv5te;
3938 elif check_arm_arch 6; then echo armv6;
3939 elif check_arm_arch 6J; then echo armv6j;
3940 elif check_arm_arch 6K; then echo armv6k;
3941 elif check_arm_arch 6Z; then echo armv6z;
3942 elif check_arm_arch 6ZK; then echo armv6zk;
3943 elif check_arm_arch 6T2; then echo armv6t2;
3944 elif check_arm_arch 7; then echo armv7;
3945 elif check_arm_arch 7A 7_A; then echo armv7-a;
3946 elif check_arm_arch 7S; then echo armv7-a;
3947 elif check_arm_arch 7R 7_R; then echo armv7-r;
3948 elif check_arm_arch 7M 7_M; then echo armv7-m;
3949 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
3950 elif check_arm_arch 8A 8_A; then echo armv8-a;
3954 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3958 cpuflags="-march=$cpu"
3959 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3962 cpuflags="-mcpu=$cpu"
3964 cortex-a*) subarch=armv7a ;;
3965 cortex-r*) subarch=armv7r ;;
3966 cortex-m*) enable thumb; subarch=armv7m ;;
3967 arm11*) subarch=armv6 ;;
3968 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3969 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3970 *) subarch=$(probe_arm_arch) ;;
3976 armv5t*) enable fast_clz ;;
3979 disabled fast_unaligned || enable fast_unaligned
3983 elif enabled avr32; then
3988 cpuflags="-mpart=$cpu"
3992 cpuflags="-march=$cpu"
3996 cpuflags="-mcpu=$cpu"
4000 cpuflags="-march=$cpu"
4004 elif enabled bfin; then
4006 cpuflags="-mcpu=$cpu"
4008 elif enabled mips; then
4010 cpuflags="-march=$cpu"
4035 24kef*|34kf*|1004kf*)
4057 check_cflags "-mtune=p5600"
4065 check_cflags "-mtune=i6400 -mabi=64"
4066 check_ldflags "-mabi=64"
4076 enable local_aligned_8 local_aligned_16 local_aligned_32
4077 enable simd_align_16
4081 enable fast_unaligned
4082 disable aligned_stack
4085 cpuflags="-march=loongson3a -mhard-float -fno-expensive-optimizations"
4088 cpuflags="-march=loongson2e -mhard-float -fno-expensive-optimizations"
4091 cpuflags="-march=loongson2f -mhard-float -fno-expensive-optimizations"
4102 elif enabled ppc; then
4106 case $(tolower $cpu) in
4107 601|ppc601|powerpc601)
4108 cpuflags="-mcpu=601"
4111 603*|ppc603*|powerpc603*)
4112 cpuflags="-mcpu=603"
4115 604*|ppc604*|powerpc604*)
4116 cpuflags="-mcpu=604"
4119 g3|75*|ppc75*|powerpc75*)
4120 cpuflags="-mcpu=750"
4123 g4|745*|ppc745*|powerpc745*)
4124 cpuflags="-mcpu=7450"
4127 74*|ppc74*|powerpc74*)
4128 cpuflags="-mcpu=7400"
4131 g5|970|ppc970|powerpc970)
4132 cpuflags="-mcpu=970"
4136 cpuflags="-mcpu=$cpu"
4140 cpuflags="-mcpu=$cpu"
4143 cpuflags="-mcpu=cell"
4148 cpuflags="-mcpu=e500mc"
4152 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
4157 cpuflags="-mcpu=8540 -mhard-float"
4163 elif enabled sparc; then
4166 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
4167 cpuflags="-mcpu=$cpu"
4169 ultrasparc*|niagara[234])
4170 cpuflags="-mcpu=$cpu"
4174 elif enabled x86; then
4178 cpuflags="-march=$cpu"
4182 # targets that do NOT support nopl and conditional mov (cmov)
4183 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
4184 cpuflags="-march=$cpu"
4187 # targets that do support nopl and conditional mov (cmov)
4188 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\
4189 |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|amdfam10|barcelona|b[dt]ver*)
4190 cpuflags="-march=$cpu"
4194 # targets that do support conditional mov but on which it's slow
4195 pentium4|pentium4m|prescott|nocona)
4196 cpuflags="-march=$cpu"
4204 if [ "$cpu" != generic ]; then
4205 add_cflags $cpuflags
4206 add_asflags $cpuflags
4207 test "$cc_type" = "$ld_type" && add_ldflags $cpuflags
4210 # compiler sanity check
4212 int main(void){ return 0; }
4214 if test "$?" != 0; then
4215 echo "$cc is unable to create an executable file."
4216 if test -z "$cross_prefix" && ! enabled cross_compile ; then
4217 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
4218 echo "Only do this if you know what cross compiling means."
4220 die "C compiler test failed."
4223 add_cppflags -D_ISOC99_SOURCE
4224 add_cxxflags -D__STDC_CONSTANT_MACROS
4225 check_cflags -std=c99
4226 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
4229 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
4233 add_host_cppflags -D_ISOC99_SOURCE
4234 check_host_cflags -std=c99
4235 check_host_cflags -Wall
4236 check_host_cflags -O3
4242 check_code cc "" "int test[2*($expr) - 1]" &&
4243 subarch=$arch64 || subarch=$arch32
4251 check_64bit mips mips64 '_MIPS_SIM > 1'
4255 check_64bit parisc parisc64 'sizeof(void *) > 4'
4259 check_64bit ppc ppc64 'sizeof(void *) > 4'
4263 check_64bit s390 s390x 'sizeof(void *) > 4'
4267 check_64bit sparc sparc64 'sizeof(void *) > 4'
4271 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
4272 # Treat x32 as x64 for now. Note it also needs spic=$shared
4273 test "$subarch" = "x86_32" && check_cpp_condition stddef.h 'defined(__x86_64__)' &&
4275 if test "$subarch" = "x86_64"; then
4280 check_cc <<EOF && subarch="ppc64"
4281 int test[(int)sizeof(char*) - 7];
4287 enabled spic && enable_weak pic
4293 add_cppflags '-I\$(SRC_PATH)/compat/aix'
4294 enabled shared && add_ldflags -Wl,-brtl
4298 enable section_data_rel_ro
4299 SLIB_INSTALL_NAME='$(SLIBNAME)'
4301 # soname not set on purpose
4305 prefix_default="/boot/common"
4306 network_extralibs="-lnetwork"
4310 SHFLAGS='-shared -Wl,-h,$$(@F)'
4311 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
4312 network_extralibs="-lsocket -lnsl"
4313 add_cppflags -D__EXTENSIONS__
4314 # When using suncc to build, the Solaris linker will mark
4315 # an executable with each instruction set encountered by
4316 # the Solaris assembler. As our libraries contain their own
4317 # guards for processor-specific code, instead suppress
4318 # generation of the HWCAPS ELF section on Solaris x86 only.
4319 enabled_all suncc x86 &&
4320 echo "hwcap_1 = OVERRIDE;" > mapfile &&
4321 add_ldflags -Wl,-M,mapfile
4322 nm_default='nm -P -g'
4326 oss_indev_extralibs="-lossaudio"
4327 oss_outdev_extralibs="-lossaudio"
4328 enabled gcc || check_ldflags -Wl,-zmuldefs
4333 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
4335 oss_indev_extralibs="-lossaudio"
4336 oss_outdev_extralibs="-lossaudio"
4344 add_extralibs -lpoll -lgnugetopt
4348 enabled ppc && add_asflags -force_cpusubtype_ALL
4349 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
4350 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
4352 add_ldflags -Wl,-dynamic,-search_paths_first
4354 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
4355 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
4357 enabled x86_64 && objformat="macho64"
4358 enabled_any pic shared x86_64 ||
4359 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
4362 if test $target_os = "mingw32ce"; then
4367 decklink_outdev_extralibs="$decklink_outdev_extralibs -lole32 -loleaut32"
4368 decklink_indev_extralibs="$decklink_indev_extralibs -lole32 -loleaut32"
4370 if enabled x86_64; then
4371 LIBTARGET="i386:x86-64"
4372 elif enabled arm; then
4375 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
4376 enabled x86_32 && check_ldflags -Wl,--large-address-aware
4377 shlibdir_default="$bindir_default"
4380 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4381 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4382 dlltool="${cross_prefix}dlltool"
4383 if check_cmd lib.exe -list; then
4384 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4385 if enabled x86_64; then
4388 elif check_cmd $dlltool --version; then
4389 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
4391 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4393 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4394 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4395 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--disable-auto-image-base'
4399 check_ldflags -Wl,--nxcompat,--dynamicbase
4400 # Lets work around some stupidity in binutils.
4401 # ld will strip relocations from executables even though we need them
4402 # for dynamicbase (ASLR). Using -pie does retain the reloc section
4403 # however ld then forgets what the entry point should be (oops) so we
4404 # have to manually (re)set it.
4405 if enabled x86_32; then
4406 add_ldexeflags -Wl,--pic-executable,-e,_mainCRTStartup
4407 elif enabled x86_64; then
4408 add_ldexeflags -Wl,--pic-executable,-e,mainCRTStartup
4409 check_ldflags -Wl,--high-entropy-va # binutils 2.25
4410 # Set image base >4GB for extra entropy with HEASLR
4411 add_ldexeflags -Wl,--image-base,0x140000000
4412 append SHFLAGS -Wl,--image-base,0x180000000
4417 if enabled shared; then
4418 # Link to the import library instead of the normal static library
4421 # Cannot build both shared and static libs with MSVC or icl.
4424 enabled x86_32 && check_ldflags -LARGEADDRESSAWARE
4425 shlibdir_default="$bindir_default"
4428 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4429 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4430 SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
4431 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4433 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4434 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4435 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4442 shlibdir_default="$bindir_default"
4445 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4446 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4447 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4449 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
4450 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
4453 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
4455 *-dos|freedos|opendos)
4456 network_extralibs="-lsocket"
4459 add_cppflags -U__STRICT_ANSI__
4463 enable section_data_rel_ro
4467 ranlib="echo ignoring ranlib"
4473 add_cppflags -D_GNU_SOURCE
4474 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
4475 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
4479 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
4480 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
4481 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
4482 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
4483 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
4484 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
4485 emxexp $(OBJS) >> $(SUBDIR)$(NAME).def'
4486 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
4487 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
4488 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
4490 enable_weak os2threads
4493 add_cppflags -D_BSD_SOURCE
4498 add_cppflags -D_QNX_SOURCE
4499 network_extralibs="-lsocket"
4504 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
4505 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
4506 add_ldflags -Wl,--target1-abs,--no-undefined \
4507 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
4508 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
4509 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
4510 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
4511 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
4514 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
4519 add_cppflags -D_C99_SNPRINTF_EXTENSION \
4520 -D_REENTRANT_SOURCE \
4521 -D_RESEARCH_SOURCE \
4524 add_compat strtod.o strtod=avpriv_strtod
4525 network_extralibs='-lbsd'
4526 exeobjs=compat/plan9/main.o
4533 die "Unknown OS '$target_os'."
4537 # determine libc flavour
4542 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
4543 if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
4544 eval ${pfx}libc_type=uclibc
4545 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4546 elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then
4547 eval ${pfx}libc_type=glibc
4548 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4549 # MinGW headers can be installed on Cygwin, so check for newlib first.
4550 elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
4551 eval ${pfx}libc_type=newlib
4552 add_${pfx}cppflags -U__STRICT_ANSI__
4553 # MinGW64 is backwards compatible with MinGW32, so check for it first.
4554 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
4555 eval ${pfx}libc_type=mingw64
4556 if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then
4557 add_compat msvcrt/snprintf.o
4558 add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
4560 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4561 eval test \$${pfx_no_}cc_type = "gcc" &&
4562 add_${pfx}cppflags -D__printf__=__gnu_printf__
4563 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" ||
4564 check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
4565 eval ${pfx}libc_type=mingw32
4566 check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
4567 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
4568 die "ERROR: MinGW32 runtime version must be >= 3.15."
4569 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4570 eval test \$${pfx_no_}cc_type = "gcc" &&
4571 add_${pfx}cppflags -D__printf__=__gnu_printf__
4572 elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
4573 eval ${pfx}libc_type=msvcrt
4574 if check_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then
4575 if [ "$pfx" = host_ ]; then
4576 add_host_cppflags -Dsnprintf=_snprintf
4578 add_compat strtod.o strtod=avpriv_strtod
4579 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
4580 _snprintf=avpriv_snprintf \
4581 vsnprintf=avpriv_vsnprintf
4584 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
4585 # 0x601 by default unless something else is set by the user.
4586 # This can easily lead to us detecting functions only present
4587 # in such new versions and producing binaries requiring windows 7.0.
4588 # Therefore explicitly set the default to XP unless the user has
4589 # set something else on the command line.
4590 # Don't do this if WINAPI_FAMILY is set and is set to a non-desktop
4591 # family. For these cases, configure is free to use any functions
4592 # found in the SDK headers by default. (Alternatively, we could force
4593 # _WIN32_WINNT to 0x0602 in that case.)
4594 check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||
4595 { check_${pfx}cpp <<EOF && add_${pfx}cppflags -D_WIN32_WINNT=0x0502; }
4596 #ifdef WINAPI_FAMILY
4597 #include <winapifamily.h>
4598 #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
4603 elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
4604 eval ${pfx}libc_type=klibc
4605 elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then
4606 eval ${pfx}libc_type=bionic
4607 elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then
4608 eval ${pfx}libc_type=solaris
4609 add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
4611 check_${pfx}cc <<EOF
4613 void *v = localtime_r;
4615 test "$?" != 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
4617 void *v = localtime_r;
4623 test -n "$libc_type" && enable libc_$libc_type
4625 test -n "$host_libc_type" && enable host_libc_$host_libc_type
4629 add_compat strtod.o strtod=avpriv_strtod
4633 # hacks for compiler/libc/os combinations
4635 if enabled_all tms470 libc_glibc; then
4636 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
4637 add_cppflags -D__USER_LABEL_PREFIX__=
4638 add_cppflags -D__builtin_memset=memset
4639 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
4640 add_cflags -pds=48 # incompatible redefinition of macro
4643 if enabled_all ccc libc_glibc; then
4644 add_ldflags -Wl,-z,now # calls to libots crash without this
4647 check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||
4648 add_cppflags '-I\$(SRC_PATH)/compat/float'
4651 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
4654 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
4656 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
4659 : ${shlibdir_default:="$libdir"}
4660 : ${pkgconfigdir_default:="$libdir/pkgconfig"}
4662 set_default $PATHS_LIST
4665 # we need to build at least one lib type
4666 if ! enabled_any static shared; then
4668 At least one library type must be built.
4669 Specify --enable-static to build the static libraries or --enable-shared to
4670 build the shared libraries as well. To only build the shared libraries specify
4671 --disable-static in addition to --enable-shared.
4676 die_license_disabled() {
4677 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
4680 die_license_disabled_gpl() {
4681 enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }
4684 die_license_disabled gpl frei0r
4685 die_license_disabled gpl libcdio
4686 die_license_disabled gpl librubberband
4687 die_license_disabled gpl libsmbclient
4688 die_license_disabled gpl libutvideo
4689 die_license_disabled gpl libvidstab
4690 die_license_disabled gpl libx264
4691 die_license_disabled gpl libx265
4692 die_license_disabled gpl libxavs
4693 die_license_disabled gpl libxvid
4694 die_license_disabled gpl libzvbi
4695 die_license_disabled gpl x11grab
4697 die_license_disabled nonfree libaacplus
4698 die_license_disabled nonfree libfaac
4699 die_license_disabled nonfree nvenc
4700 enabled gpl && die_license_disabled_gpl nonfree libfdk_aac
4701 enabled gpl && die_license_disabled_gpl nonfree openssl
4703 die_license_disabled version3 libopencore_amrnb
4704 die_license_disabled version3 libopencore_amrwb
4705 die_license_disabled version3 libsmbclient
4706 die_license_disabled version3 libvo_aacenc
4707 die_license_disabled version3 libvo_amrwbenc
4709 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
4711 disabled optimizations || check_cflags -fomit-frame-pointer
4714 disabled pic && return
4717 case "$target_os" in
4727 enabled pic && enable_weak_pic
4729 check_cc <<EOF || die "Symbol mangling check failed."
4732 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
4733 extern_prefix=${sym%%ff_extern*}
4735 check_cc <<EOF && enable_weak inline_asm
4736 void foo(void) { __asm__ volatile ("" ::); }
4740 for restrict_keyword in restrict __restrict__ __restrict; do
4741 check_cc <<EOF && _restrict=$restrict_keyword && break
4742 void foo(char * $restrict_keyword p);
4746 check_cc <<EOF && enable pragma_deprecated
4747 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
4750 check_cc <<EOF && enable attribute_packed
4751 struct { int x; } __attribute__((packed)) x;
4754 check_cc <<EOF && enable attribute_may_alias
4755 union { int x; } __attribute__((may_alias)) x;
4758 check_cc <<EOF || die "endian test failed"
4759 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
4761 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
4763 if ! enabled ppc64 || enabled bigendian; then
4768 log "check_gas using '$as' as AS"
4769 # :vararg is used on aarch64, arm and ppc altivec
4770 check_as <<EOF || return 1
4771 .macro m n, y:vararg=0
4776 # .altmacro is only used in arm asm
4777 ! enabled arm || check_as <<EOF || return 1
4784 if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then
4786 enabled_any arm aarch64 && nogas=die
4787 enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn
4791 arm*) gaspp_as_type=armasm; as_noop=-h ;;
4792 gcc) gaspp_as_type=gas ;;
4793 *) gaspp_as_type=$as_type ;;
4796 [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"
4798 test "${as#*gas-preprocessor.pl}" != "$as" ||
4799 check_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- ${as:=$cc} $as_noop &&
4800 gas="${gas:=gas-preprocessor.pl} -arch $arch -as-type $gaspp_as_type -- ${as:=$cc}"
4802 if ! check_gas ; then
4805 $nogas "GNU assembler not found, install/update gas-preprocessor"
4808 check_as <<EOF && enable as_func
4814 check_inline_asm inline_asm_labels '"1:\n"'
4816 check_inline_asm inline_asm_nonlocal_labels '"Label:\n"'
4818 if enabled aarch64; then
4819 enabled armv8 && check_insn armv8 'prfm pldl1strm, [x0]'
4820 # internal assembler in clang 3.3 does not support this instruction
4821 enabled neon && check_insn neon 'ext v0.8B, v0.8B, v1.8B, #1'
4822 enabled vfp && check_insn vfp 'fmadd d0, d0, d1, d2'
4824 map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM
4826 elif enabled alpha; then
4830 elif enabled arm; then
4832 enabled msvc && check_cpp_condition stddef.h "defined _M_ARMT" && enable thumb
4834 check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb
4835 float func(float a, float b){ return a+b; }
4838 enabled thumb && check_cflags -mthumb || check_cflags -marm
4840 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
4842 elif check_cpp_condition stddef.h "defined _M_ARM_FP && _M_ARM_FP >= 30"; then
4844 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__" && [ $target_os != darwin ]; then
4845 case "${cross_prefix:-$cc}" in
4846 *hardfloat*) enable vfp_args; fpabi=vfp ;;
4847 *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
4848 __asm__ (".eabi_attribute 28, 1");
4849 int main(void) { return 0; }
4852 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
4855 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
4856 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
4857 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
4858 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
4859 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
4860 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
4861 enabled setend && check_insn setend 'setend be'
4863 [ $target_os = linux ] || [ $target_os = android ] ||
4864 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
4867 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
4869 check_as <<EOF && enable as_dn_directive
4874 # llvm's integrated assembler supports .object_arch from llvm 3.5
4875 [ "$objformat" = elf ] && check_as <<EOF && enable as_object_arch
4879 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
4881 elif enabled mips; then
4883 enabled loongson2 && check_inline_asm loongson2 '"dmult.g $8, $9, $10"'
4884 enabled loongson3 && check_inline_asm loongson3 '"gsldxc1 $f0, 0($2, $3)"'
4885 enabled mmi && check_inline_asm mmi '"punpcklhw $f0, $f0, $f0"'
4887 # Enable minimum ISA based on selected options
4888 if enabled mips64 && (enabled mipsdspr1 || enabled mipsdspr2); then
4889 add_cflags "-mips64r2"
4890 add_asflags "-mips64r2"
4891 elif enabled mips64 && enabled mipsfpu && disabled loongson2 && disabled loongson3; then
4892 add_cflags "-mips64"
4893 add_asflags "-mips64"
4894 elif enabled mipsdspr1 || enabled mipsdspr2; then
4895 add_cflags "-mips32r2 -mfp32"
4896 add_asflags "-mips32r2 -mfp32"
4897 elif enabled mips32r5 || enabled mips64r6; then
4898 check_cflags "-mfp64"
4899 check_ldflags "-mfp64"
4902 enabled mips32r5 && check_cflags "-mips32r5 -msched-weight -mload-store-pairs -funroll-loops" &&
4903 check_ldflags "-mips32r5" &&
4904 check_inline_asm mips32r5 '"ulw $t0, ($t1)"'
4905 enabled mips64r6 && check_cflags "-mips64r6 -msched-weight -mload-store-pairs -funroll-loops" &&
4906 check_ldflags "-mips64r6" &&
4907 check_inline_asm mips64r6 '"aui $t0, $t1, 1"'
4908 enabled mipsdspr1 && add_cflags "-mdsp" && add_asflags "-mdsp" &&
4909 check_inline_asm mipsdspr1 '"addu.qb $t0, $t1, $t2"'
4910 enabled mipsdspr2 && add_cflags "-mdspr2" && add_asflags "-mdspr2" &&
4911 check_inline_asm mipsdspr2 '"absq_s.qb $t0, $t1"'
4912 enabled mipsfpu && add_cflags "-mhard-float" && add_asflags "-mhard-float" &&
4913 check_inline_asm mipsfpu '"madd.d $f0, $f2, $f4, $f6"'
4914 enabled msa && check_cflags "-mmsa" && check_ldflags "-mmsa" &&
4915 check_inline_asm msa '"addvi.b $w0, $w1, 1"'
4917 enabled mips32r5 && add_asflags "-mips32r5 -mfp64"
4918 enabled mips64r6 && add_asflags "-mips64r6 -mfp64"
4919 enabled msa && add_asflags "-mmsa"
4921 elif enabled parisc; then
4923 if enabled gcc; then
4924 case $($cc -dumpversion) in
4925 4.[3-9].*) check_cflags -fno-optimize-sibling-calls ;;
4929 elif enabled ppc; then
4931 enable local_aligned_8 local_aligned_16 local_aligned_32
4933 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
4934 check_inline_asm ibm_asm '"add 0, 0, 0"'
4935 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
4936 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
4938 # AltiVec flags: The FSF version of GCC differs from the Apple version
4939 if enabled altivec; then
4940 check_cflags -maltivec -mabi=altivec &&
4941 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
4942 check_cflags -faltivec
4944 # check if our compiler supports Motorola AltiVec C API
4945 check_cc <<EOF || disable altivec
4948 vector signed int v1 = (vector signed int) { 0 };
4949 vector signed int v2 = (vector signed int) { 1 };
4950 v1 = vec_add(v1, v2);
4955 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
4958 if enabled vsx; then
4959 check_cflags -mvsx &&
4960 check_builtin vec_vsx_ld "altivec.h" "__builtin_vec_vsx_ld" || disable vsx
4963 if enabled power8; then
4964 check_cpp_condition "altivec.h" "defined(_ARCH_PWR8)" || disable power8
4967 elif enabled x86; then
4969 check_builtin rdtsc intrin.h "__rdtsc()"
4970 check_builtin mm_empty mmintrin.h "_mm_empty()"
4972 enable local_aligned_8 local_aligned_16 local_aligned_32
4974 # check whether EBP is available on x86
4975 # As 'i' is stored on the stack, this program will crash
4976 # if the base pointer is used to access it because the
4977 # base pointer is cleared in the inline assembly code.
4978 check_exec_crash <<EOF && enable ebp_available
4980 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
4984 # check whether EBX is available on x86
4985 check_inline_asm ebx_available '""::"b"(0)' &&
4986 check_inline_asm ebx_available '"":::"%ebx"'
4988 # check whether xmm clobbers are supported
4989 check_inline_asm xmm_clobbers '"":::"%xmm0"'
4991 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' ||
4992 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"'
4994 # check whether binutils is new enough to compile SSSE3/MMXEXT
4995 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
4996 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
4998 if ! disabled_any asm mmx yasm; then
4999 if check_cmd $yasmexe --version; then
5000 enabled x86_64 && yasm_extra="-m amd64"
5001 yasm_debug="-g dwarf2"
5002 elif check_cmd nasm -v; then
5004 yasm_debug="-g -F dwarf"
5005 if enabled x86_64; then
5006 case "$objformat" in
5007 elf) objformat=elf64 ;;
5008 win32) objformat=win64 ;;
5013 YASMFLAGS="-f $objformat $yasm_extra"
5014 enabled pic && append YASMFLAGS "-DPIC"
5015 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
5016 case "$objformat" in
5017 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
5020 check_yasm "movbe ecx, [5]" && enable yasm ||
5021 die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."
5022 check_yasm "vextracti128 xmm0, ymm0, 0" || disable avx2_external
5023 check_yasm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external
5024 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
5025 check_yasm "CPU amdnop" || disable cpunop
5029 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
5036 check_code cc arm_neon.h "int16x8_t test = vdupq_n_s16(0)" && enable intrinsics_neon
5038 check_ldflags -Wl,--as-needed
5039 check_ldflags -Wl,-z,noexecstack
5041 if check_func dlopen; then
5043 elif check_func dlopen -ldl; then
5047 frei0r_filter_extralibs='$ldl'
5048 frei0r_src_filter_extralibs='$ldl'
5049 ladspa_filter_extralibs='$ldl'
5050 nvenc_encoder_extralibs='$ldl'
5052 if ! disabled network; then
5053 check_func getaddrinfo $network_extralibs
5054 check_func getservbyport $network_extralibs
5055 check_func inet_aton $network_extralibs
5057 check_type netdb.h "struct addrinfo"
5058 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
5059 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
5060 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
5061 check_type poll.h "struct pollfd"
5062 check_type netinet/sctp.h "struct sctp_event_subscribe"
5063 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
5064 check_type netinet/in.h "struct sockaddr_in6"
5065 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
5066 check_type "sys/types.h sys/socket.h" socklen_t
5068 # Prefer arpa/inet.h over winsock2
5069 if check_header arpa/inet.h ; then
5070 check_func closesocket
5071 elif check_header winsock2.h ; then
5072 check_func_headers winsock2.h closesocket -lws2 &&
5073 network_extralibs="-lws2" ||
5074 { check_func_headers winsock2.h closesocket -lws2_32 &&
5075 network_extralibs="-lws2_32"; } || disable winsock2_h network
5076 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
5078 check_type ws2tcpip.h socklen_t
5079 check_type ws2tcpip.h "struct addrinfo"
5080 check_type ws2tcpip.h "struct group_source_req"
5081 check_type ws2tcpip.h "struct ip_mreq_source"
5082 check_type ws2tcpip.h "struct ipv6_mreq"
5083 check_type winsock2.h "struct pollfd"
5084 check_struct winsock2.h "struct sockaddr" sa_len
5085 check_type ws2tcpip.h "struct sockaddr_in6"
5086 check_type ws2tcpip.h "struct sockaddr_storage"
5092 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
5093 check_builtin atomic_compare_exchange "" "int *ptr, *oldval; int newval; __atomic_compare_exchange_n(ptr, oldval, newval, 0, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST)"
5094 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
5095 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
5096 check_builtin sarestart signal.h "SA_RESTART"
5097 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
5098 check_builtin gmtime_r time.h "time_t *time; struct tm *tm; gmtime_r(time, tm)"
5099 check_builtin localtime_r time.h "time_t *time; struct tm *tm; localtime_r(time, tm)"
5101 case "$custom_allocator" in
5103 # jemalloc by default does not use a prefix
5104 require libjemalloc jemalloc/jemalloc.h malloc -ljemalloc
5107 require_pkg_config libtcmalloc gperftools/tcmalloc.h tc_malloc
5112 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
5113 check_func ${malloc_prefix}memalign && enable memalign
5114 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
5117 check_func_headers time.h clock_gettime || { check_func_headers time.h clock_gettime -lrt && add_extralibs -lrt && LIBRT="-lrt"; }
5120 check_func gethrtime
5122 check_func getrusage
5123 check_func gettimeofday
5125 check_func mach_absolute_time
5129 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
5130 check_func_headers time.h nanosleep || { check_func_headers time.h nanosleep -lrt && add_extralibs -lrt && LIBRT="-lrt"; }
5131 check_func sched_getaffinity
5132 check_func setrlimit
5133 check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE
5134 check_func strerror_r
5139 check_func_headers conio.h kbhit
5140 check_func_headers io.h setmode
5141 check_func_headers lzo/lzo1x.h lzo1x_999_compress
5142 check_func_headers stdlib.h getenv
5143 check_func_headers sys/stat.h lstat
5145 check_func_headers windows.h CoTaskMemFree -lole32
5146 check_func_headers windows.h GetProcessAffinityMask
5147 check_func_headers windows.h GetProcessTimes
5148 check_func_headers windows.h GetSystemTimeAsFileTime
5149 check_func_headers windows.h MapViewOfFile
5150 check_func_headers windows.h PeekNamedPipe
5151 check_func_headers windows.h SetConsoleTextAttribute
5152 check_func_headers windows.h SetConsoleCtrlHandler
5153 check_func_headers windows.h Sleep
5154 check_func_headers windows.h VirtualAlloc
5155 check_struct windows.h "CONDITION_VARIABLE" Ptr
5156 check_func_headers glob.h glob
5158 check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext
5160 check_header CoreServices/CoreServices.h
5161 check_header direct.h
5162 check_header dirent.h
5163 check_header dlfcn.h
5164 check_header d3d11.h
5166 check_header dxva2api.h -D_WIN32_WINNT=0x0600
5168 check_header libcrystalhd/libcrystalhd_if.h
5169 check_header mach/mach_time.h
5170 check_header malloc.h
5171 check_header net/udplite.h
5173 check_header sys/mman.h
5174 check_header sys/param.h
5175 check_header sys/resource.h
5176 check_header sys/select.h
5177 check_header sys/time.h
5178 check_header sys/un.h
5179 check_header termios.h
5180 check_header unistd.h
5181 check_header valgrind/valgrind.h
5182 check_header vdpau/vdpau.h
5183 check_header vdpau/vdpau_x11.h
5184 check_header VideoDecodeAcceleration/VDADecoder.h
5185 check_header VideoToolbox/VideoToolbox.h
5186 check_header windows.h
5187 check_header X11/extensions/XvMClib.h
5188 check_header asm/types.h
5190 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
5191 check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32
5192 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
5194 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
5196 check_type "windows.h dxva.h" "DXVA_PicParams_HEVC" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0
5197 check_type "windows.h d3d11.h" "ID3D11VideoDecoder"
5198 check_type "windows.h d3d11.h" "ID3D11VideoContext"
5199 check_type "d3d9.h dxva2api.h" DXVA2_ConfigPictureDecode -D_WIN32_WINNT=0x0602
5201 check_type "va/va.h" "VAPictureParameterBufferHEVC"
5203 check_type "vdpau/vdpau.h" "VdpPictureInfoHEVC"
5205 if ! disabled w32threads && ! enabled pthreads; then
5206 check_func_headers "windows.h process.h" _beginthreadex &&
5207 enable w32threads || disable w32threads
5210 # check for some common methods of building with pthread support
5211 # do this before the optional library checks as some of them require pthreads
5212 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
5214 if check_func pthread_join -pthread && check_func pthread_create -pthread; then
5216 add_extralibs -pthread
5217 elif check_func pthread_join -pthreads && check_func pthread_create -pthreads; then
5218 add_cflags -pthreads
5219 add_extralibs -pthreads
5220 elif check_func pthread_join -ldl -pthread && check_func pthread_create -ldl -pthread; then
5221 add_cflags -ldl -pthread
5222 add_extralibs -ldl -pthread
5223 elif check_func pthread_join -lpthreadGC2 && check_func pthread_create -lpthreadGC2; then
5224 add_extralibs -lpthreadGC2
5225 elif check_lib pthread.h pthread_join -lpthread && check_lib pthread.h pthread_create -lpthread; then
5227 elif ! check_func pthread_join && ! check_func pthread_create; then
5230 check_code cc "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER" || disable pthreads
5234 if enabled pthreads; then
5235 check_func pthread_cancel
5238 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
5239 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
5240 disabled lzma || check_lib2 lzma.h lzma_version_number -llzma || disable lzma
5242 check_lib math.h sin -lm && LIBM="-lm"
5243 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
5250 for func in $MATH_FUNCS; do
5251 eval check_mathfunc $func \${${func}_args:-1}
5254 # these are off by default, so fail if requested and not available
5255 enabled avfoundation_indev && { check_header_oc AVFoundation/AVFoundation.h || disable avfoundation_indev; }
5256 enabled avfoundation_indev && { check_lib2 CoreGraphics/CoreGraphics.h CGGetActiveDisplayList -framework CoreGraphics ||
5257 check_lib2 ApplicationServices/ApplicationServices.h CGGetActiveDisplayList -framework ApplicationServices; }
5258 enabled avisynth && { { check_lib2 "windows.h" LoadLibrary; } ||
5259 { check_lib2 "dlfcn.h" dlopen -ldl; } ||
5260 die "ERROR: LoadLibrary/dlopen not found for avisynth"; }
5261 enabled chromaprint && require chromaprint chromaprint.h chromaprint_get_version -lchromaprint
5262 enabled decklink && { check_header DeckLinkAPI.h || die "ERROR: DeckLinkAPI.h header not found"; }
5263 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
5264 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
5265 enabled ladspa && { check_header ladspa.h || die "ERROR: ladspa.h header not found"; }
5266 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
5267 enabled libaacplus && require "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
5268 enabled libass && require_pkg_config libass ass/ass.h ass_library_init
5269 enabled libbluray && require_pkg_config libbluray libbluray/bluray.h bd_open
5270 enabled libbs2b && require_pkg_config libbs2b bs2b.h bs2b_open
5271 enabled libcelt && require libcelt celt/celt.h celt_decode -lcelt0 &&
5272 { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
5273 die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
5274 enabled libcaca && require_pkg_config caca caca.h caca_create_canvas
5275 enabled libdcadec && require_pkg_config dcadec libdcadec/dca_context.h dcadec_context_create &&
5276 check_struct libdcadec/dca_context.h "struct dcadec_exss_info" matrix_encoding
5277 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
5278 enabled libfdk_aac && { use_pkg_config fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen ||
5279 { require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac &&
5280 warn "using libfdk without pkg-config"; } }
5281 flite_libs="-lflite_cmu_time_awb -lflite_cmu_us_awb -lflite_cmu_us_kal -lflite_cmu_us_kal16 -lflite_cmu_us_rms -lflite_cmu_us_slt -lflite_usenglish -lflite_cmulex -lflite"
5282 enabled libflite && require2 libflite "flite/flite.h" flite_init $flite_libs
5283 enabled fontconfig && enable libfontconfig
5284 enabled libfontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
5285 enabled libfreetype && require_libfreetype
5286 enabled libfribidi && require_pkg_config fribidi fribidi.h fribidi_version_info
5287 enabled libgme && require libgme gme/gme.h gme_new_emu -lgme -lstdc++
5288 enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
5289 check_lib "${gsm_hdr}" gsm_create -lgsm && break;
5290 done || die "ERROR: libgsm not found"; }
5291 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
5292 enabled libkvazaar && require_pkg_config kvazaar kvazaar.h kvz_api_get
5293 enabled libmfx && require_pkg_config libmfx "mfx/mfxvideo.h" MFXInit
5294 enabled libmodplug && require_pkg_config libmodplug libmodplug/modplug.h ModPlug_Load
5295 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
5296 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
5297 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
5298 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
5299 enabled libopencv && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
5300 enabled libopenh264 && require_pkg_config openh264 wels/codec_api.h WelsGetCodecVersion
5301 enabled libopenjpeg && { check_lib openjpeg.h opj_version -lopenmj2 -DOPJ_STATIC ||
5302 check_lib openjpeg-1.5/openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||
5303 check_lib openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||
5304 die "ERROR: libopenjpeg not found"; }
5305 enabled libopus && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
5306 enabled libpulse && require_pkg_config libpulse pulse/pulseaudio.h pa_context_new
5307 enabled libquvi && require_pkg_config libquvi quvi/quvi.h quvi_init
5308 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
5309 enabled librubberband && require_pkg_config "rubberband >= 1.8.1" rubberband/rubberband-c.h rubberband_new
5310 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
5311 enabled libshine && require_pkg_config shine shine/layer3.h shine_encode_buffer
5312 enabled libsmbclient && { use_pkg_config smbclient libsmbclient.h smbc_init ||
5313 require smbclient libsmbclient.h smbc_init -lsmbclient; }
5314 enabled libsnappy && require snappy snappy-c.h snappy_compress -lsnappy
5315 enabled libsoxr && require libsoxr soxr.h soxr_create -lsoxr && LIBSOXR="-lsoxr"
5316 enabled libssh && require_pkg_config libssh libssh/sftp.h sftp_init
5317 enabled libspeex && require_pkg_config speex speex/speex.h speex_decoder_init -lspeex
5318 enabled libstagefright_h264 && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
5319 media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
5320 media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static
5321 enabled libtesseract && require_pkg_config tesseract tesseract/capi.h TessBaseAPICreate
5322 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
5323 enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame &&
5324 { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
5325 die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
5326 enabled libutvideo && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
5327 enabled libv4l2 && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
5328 enabled libvidstab && require_pkg_config "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit
5329 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
5330 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
5331 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
5334 enabled libvpx_vp8_decoder && {
5335 use_pkg_config "vpx >= 0.9.1" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp8_dx ||
5336 check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
5337 die "ERROR: libvpx decoder version must be >=0.9.1";
5339 enabled libvpx_vp8_encoder && {
5340 use_pkg_config "vpx >= 0.9.7" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp8_cx ||
5341 check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VP8E_SET_MAX_INTRA_BITRATE_PCT" -lvpx ||
5342 die "ERROR: libvpx encoder version must be >=0.9.7";
5344 enabled libvpx_vp9_decoder && {
5345 use_pkg_config "vpx >= 1.3.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx ||
5346 check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx ||
5347 disable libvpx_vp9_decoder;
5349 enabled libvpx_vp9_encoder && {
5350 use_pkg_config "vpx >= 1.3.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx ||
5351 check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VP9E_SET_AQ_MODE" -lvpx ||
5352 disable libvpx_vp9_encoder;
5354 if disabled_all libvpx_vp8_decoder libvpx_vp9_decoder libvpx_vp8_encoder libvpx_vp9_encoder; then
5355 die "libvpx enabled but no supported decoders found"
5359 enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack
5360 enabled libwebp && {
5361 enabled libwebp_encoder && require_pkg_config "libwebp >= 0.2.0" webp/encode.h WebPGetEncoderVersion
5362 enabled libwebp_anim_encoder && { use_pkg_config "libwebpmux >= 0.4.0" webp/mux.h WebPAnimEncoderOptionsInit || disable libwebp_anim_encoder; } }
5363 enabled libx264 && { use_pkg_config x264 "stdint.h x264.h" x264_encoder_encode ||
5364 { require libx264 x264.h x264_encoder_encode -lx264 &&
5365 warn "using libx264 without pkg-config"; } } &&
5366 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
5367 die "ERROR: libx264 must be installed and version must be >= 0.118."; } &&
5368 { check_cpp_condition x264.h "X264_MPEG2" &&
5370 enabled libx265 && require_pkg_config x265 x265.h x265_api_get &&
5371 { check_cpp_condition x265.h "X265_BUILD >= 57" ||
5372 die "ERROR: libx265 version must be >= 57."; }
5373 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
5374 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
5375 enabled libzmq && require_pkg_config libzmq zmq.h zmq_ctx_new
5376 enabled libzvbi && require libzvbi libzvbi.h vbi_decoder_new -lzvbi
5377 enabled mmal && { check_lib interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ||
5378 { ! enabled cross_compile && {
5379 add_cflags -isystem/opt/vc/include/ -isystem/opt/vc/include/interface/vmcs_host/linux -isystem/opt/vc/include/interface/vcos/pthreads -fgnu89-inline ;
5380 add_extralibs -L/opt/vc/lib/ -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ;
5381 check_lib interface/mmal/mmal.h mmal_port_connect ; }
5382 check_lib interface/mmal/mmal.h mmal_port_connect ; } ||
5383 die "ERROR: mmal not found"; }
5384 enabled nvenc && { check_header nvEncodeAPI.h || die "ERROR: nvEncodeAPI.h not found."; } &&
5385 { check_cpp_condition nvEncodeAPI.h "NVENCAPI_MAJOR_VERSION >= 5" ||
5386 die "ERROR: NVENC API version 4 or older is not supported"; } &&
5387 { [ $target_os != cygwin ] || die "ERROR: NVENC is not supported on Cygwin currently."; }
5388 enabled openal && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
5389 check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
5390 die "ERROR: openal not found"; } &&
5391 { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
5392 die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
5393 enabled opencl && { check_lib2 OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||
5394 check_lib2 CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||
5395 die "ERROR: opencl not found"; } &&
5396 { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||
5397 check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||
5398 die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }
5399 enabled opengl && { check_lib GL/glx.h glXGetProcAddress "-lGL" ||
5400 check_lib2 windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||
5401 check_lib2 OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||
5402 check_lib2 ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||
5403 die "ERROR: opengl not found."
5405 enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
5406 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
5407 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
5408 die "ERROR: openssl not found"; }
5409 enabled qtkit_indev && { check_header_oc QTKit/QTKit.h || disable qtkit_indev; }
5411 if enabled gnutls; then
5412 { check_lib2 gmp.h mpz_export -lgmp && enable gmp; } ||
5413 { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }
5417 if enabled libdc1394; then
5418 { require_pkg_config libdc1394-2 dc1394/dc1394.h dc1394_new &&
5419 enable libdc1394_2; } ||
5420 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
5421 enable libdc1394_1; } ||
5422 die "ERROR: No version of libdc1394 found "
5424 if ! disabled sdl; then
5425 SDL_CONFIG="${cross_prefix}sdl-config"
5426 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
5427 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
5428 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
5431 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
5432 sdl_cflags=$("${SDL_CONFIG}" --cflags)
5433 sdl_libs=$("${SDL_CONFIG}" --libs)
5434 check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
5435 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
5436 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
5438 elif enabled sdl ; then
5439 die "ERROR: SDL not found"
5444 if test $target_os = "mingw32"; then
5445 sdl_libs="$sdl_libs -mconsole"
5448 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
5450 disabled securetransport || { check_func SecIdentityCreate "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&
5451 check_lib2 "Security/SecureTransport.h Security/Security.h" "SSLCreateContext SecItemImport" "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&
5452 enable securetransport; }
5454 makeinfo --version > /dev/null 2>&1 && enable makeinfo || disable makeinfo
5456 && [ 0$(makeinfo --version | grep "texinfo" | sed 's/.*texinfo[^0-9]*\([0-9]*\)\..*/\1/') -ge 5 ] \
5457 && enable makeinfo_html || disable makeinfo_html
5458 disabled makeinfo_html && texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
5459 perl -v > /dev/null 2>&1 && enable perl || disable perl
5460 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
5461 rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout
5463 check_header linux/fb.h
5464 check_header linux/videodev.h
5465 check_header linux/videodev2.h
5466 check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete
5468 check_header sys/videoio.h
5469 check_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete
5471 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
5472 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
5473 # w32api 3.12 had it defined wrong
5474 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
5476 check_type "dshow.h" IBaseFilter
5478 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
5479 { check_header dev/bktr/ioctl_meteor.h &&
5480 check_header dev/bktr/ioctl_bt848.h; } ||
5481 { check_header machine/ioctl_meteor.h &&
5482 check_header machine/ioctl_bt848.h; } ||
5483 { check_header dev/video/meteor/ioctl_meteor.h &&
5484 check_header dev/video/bktr/ioctl_bt848.h; } ||
5485 check_header dev/ic/bt8xx.h
5487 check_header sndio.h
5488 if check_struct sys/soundcard.h audio_buf_info bytes; then
5489 enable_safe sys/soundcard.h
5491 check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
5492 #include <sys/soundcard.h>
5496 check_header soundcard.h
5498 enabled_any alsa_indev alsa_outdev &&
5499 check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
5501 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait &&
5502 check_func jack_port_get_latency_range -ljack
5504 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
5506 if enabled libcdio; then
5507 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
5508 check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
5509 die "ERROR: No usable libcdio/cdparanoia found"
5513 check_lib X11/Xlib.h XOpenDisplay -lX11 || disable xlib
5515 if ! disabled libxcb; then
5516 check_pkg_config "xcb >= 1.4" xcb/xcb.h xcb_connect || {
5517 enabled libxcb && die "ERROR: libxcb >= 1.4 not found";
5518 } && disable x11grab && enable libxcb
5520 if enabled libxcb; then
5521 disabled libxcb_shm || {
5522 check_pkg_config xcb-shm xcb/shm.h xcb_shm_attach || {
5523 enabled libxcb_shm && die "ERROR: libxcb_shm not found";
5524 } && check_header sys/shm.h && enable libxcb_shm; }
5526 disabled libxcb_xfixes || {
5527 check_pkg_config xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image || {
5528 enabled libxcb_xfixes && die "ERROR: libxcb_xfixes not found";
5529 } && enable libxcb_xfixes; }
5531 disabled libxcb_shape || {
5532 check_pkg_config xcb-shape xcb/shape.h xcb_shape_get_rectangles || {
5533 enabled libxcb_shape && die "ERROR: libxcb_shape not found";
5534 } && enable libxcb_shape; }
5536 add_cflags $xcb_cflags $xcb_shm_cflags $xcb_xfixes_cflags $xcb_shape_cflags
5537 add_extralibs $xcb_libs $xcb_shm_libs $xcb_xfixes_libs $xcb_shape_libs
5541 if enabled x11grab; then
5542 enabled xlib || die "ERROR: Xlib not found"
5543 require Xext X11/extensions/XShm.h XShmCreateImage -lXext
5544 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
5547 check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs"
5549 enabled dxva2api_h &&
5550 check_cc <<EOF && enable dxva2api_cobj
5551 #define _WIN32_WINNT 0x0600
5553 #include <windows.h>
5555 #include <dxva2api.h>
5556 int main(void) { IDirectXVideoDecoder *o = NULL; IDirectXVideoDecoder_Release(o); return 0; }
5560 check_lib va/va.h vaInitialize -lva ||
5563 enabled vaapi && enabled xlib &&
5564 check_lib2 "va/va.h va/va_x11.h" vaGetDisplay -lva -lva-x11 &&
5568 check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
5571 enabled vdpau && enabled xlib &&
5572 check_func_headers "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau &&
5573 prepend ffmpeg_libs $($ldflags_filter "-lvdpau") &&
5576 # Funny iconv installations are not unusual, so check it after all flags have been set
5577 disabled iconv || check_func_headers iconv.h iconv || check_lib2 iconv.h iconv -liconv || disable iconv
5579 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
5581 # add some useful compiler flags if supported
5582 check_cflags -Wdeclaration-after-statement
5584 check_cflags -Wdisabled-optimization
5585 check_cflags -Wpointer-arith
5586 check_cflags -Wredundant-decls
5587 check_cflags -Wwrite-strings
5588 check_cflags -Wtype-limits
5589 check_cflags -Wundef
5590 check_cflags -Wmissing-prototypes
5591 check_cflags -Wno-pointer-to-int-cast
5592 check_cflags -Wstrict-prototypes
5593 check_cflags -Wempty-body
5594 enabled extra_warnings && check_cflags -Winline
5596 check_disable_warning(){
5597 warning_flag=-W${1#-Wno-}
5598 test_cflags $warning_flag && add_cflags $1
5601 check_disable_warning -Wno-parentheses
5602 check_disable_warning -Wno-switch
5603 check_disable_warning -Wno-format-zero-length
5604 check_disable_warning -Wno-pointer-sign
5606 # add some linker flags
5607 check_ldflags -Wl,--warn-common
5608 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
5609 enabled rpath && add_ldexeflags -Wl,-rpath,$libdir
5610 enabled rpath && add_ldlibflags -Wl,-rpath,$libdir
5611 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
5613 # add some strip flags
5614 # -wN '..@*' is more selective than -x, but not available everywhere.
5615 check_stripflags -wN \'..@*\' || check_stripflags -x
5617 enabled neon_clobber_test &&
5618 check_ldflags -Wl,--wrap,avcodec_open2 \
5619 -Wl,--wrap,avcodec_decode_audio4 \
5620 -Wl,--wrap,avcodec_decode_video2 \
5621 -Wl,--wrap,avcodec_decode_subtitle2 \
5622 -Wl,--wrap,avcodec_encode_audio2 \
5623 -Wl,--wrap,avcodec_encode_video2 \
5624 -Wl,--wrap,avcodec_encode_subtitle \
5625 -Wl,--wrap,swr_convert \
5626 -Wl,--wrap,avresample_convert ||
5627 disable neon_clobber_test
5629 enabled xmm_clobber_test &&
5630 check_ldflags -Wl,--wrap,avcodec_open2 \
5631 -Wl,--wrap,avcodec_decode_audio4 \
5632 -Wl,--wrap,avcodec_decode_video2 \
5633 -Wl,--wrap,avcodec_decode_subtitle2 \
5634 -Wl,--wrap,avcodec_encode_audio2 \
5635 -Wl,--wrap,avcodec_encode_video2 \
5636 -Wl,--wrap,avcodec_encode_subtitle \
5637 -Wl,--wrap,swr_convert \
5638 -Wl,--wrap,avresample_convert \
5639 -Wl,--wrap,sws_scale ||
5640 disable xmm_clobber_test
5643 if test_ldflags -Wl,--version-script,$TMPV; then
5644 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
5645 check_cc <<EOF && enable symver_asm_label
5646 void ff_foo(void) __asm__ ("av_foo@VERSION");
5647 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
5649 check_cc <<EOF && enable symver_gnu_asm
5650 __asm__(".symver ff_foo,av_foo@VERSION");
5651 void ff_foo(void) {}
5655 if [ -z "$optflags" ]; then
5656 if enabled small; then
5657 optflags=$cflags_size
5658 elif enabled optimizations; then
5659 optflags=$cflags_speed
5661 optflags=$cflags_noopt
5667 enabled lto && check_ldflags "$@"
5671 if enabled lto; then
5672 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
5674 check_ldflags -flto $cpuflags
5675 disable inline_asm_direct_symbol_refs
5678 check_optflags $optflags
5679 check_optflags -fno-math-errno
5680 check_optflags -fno-signed-zeros
5682 enabled ftrapv && check_cflags -ftrapv
5684 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
5689 if enabled icc; then
5690 # Just warnings, no remarks
5692 # -wd: Disable following warnings
5693 # 144, 167, 556: -Wno-pointer-sign
5694 # 188: enumerated type mixed with another type
5695 # 1292: attribute "foo" ignored
5696 # 1419: external declaration in primary source file
5697 # 10006: ignoring unknown option -fno-signed-zeros
5698 # 10148: ignoring unknown option -Wno-parentheses
5699 # 10156: ignoring option '-W'; no argument required
5700 # 13200: No EMMS instruction before call to function
5701 # 13203: No EMMS instruction before return from function
5702 check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156,13200,13203
5703 # 11030: Warning unknown option --as-needed
5704 # 10156: ignoring option '-export'; no argument required
5705 check_ldflags -wd10156,11030
5706 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
5707 enable ebp_available
5708 # The test above does not test linking
5709 enabled lto && disable symver_asm_label
5710 if enabled x86_32; then
5711 icc_version=$($cc -dumpversion)
5712 test ${icc_version%%.*} -ge 11 &&
5713 check_cflags -falign-stack=maintain-16-byte ||
5714 disable aligned_stack
5716 elif enabled ccc; then
5717 # disable some annoying warnings
5718 add_cflags -msg_disable bitnotint
5719 add_cflags -msg_disable mixfuncvoid
5720 add_cflags -msg_disable nonstandcast
5721 add_cflags -msg_disable unsupieee
5722 elif enabled gcc; then
5723 check_optflags -fno-tree-vectorize
5724 check_cflags -Werror=format-security
5725 check_cflags -Werror=implicit-function-declaration
5726 check_cflags -Werror=missing-prototypes
5727 check_cflags -Werror=return-type
5728 check_cflags -Werror=vla
5729 check_cflags -Wformat
5730 check_cflags -fdiagnostics-color=auto
5731 enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized
5732 elif enabled llvm_gcc; then
5733 check_cflags -mllvm -stack-alignment=16
5734 elif enabled clang; then
5735 check_cflags -mllvm -stack-alignment=16
5736 check_cflags -Qunused-arguments
5737 check_cflags -Werror=implicit-function-declaration
5738 check_cflags -Werror=missing-prototypes
5739 check_cflags -Werror=return-type
5740 elif enabled cparser; then
5741 add_cflags -Wno-missing-variable-declarations
5742 add_cflags -Wno-empty-statement
5743 elif enabled armcc; then
5744 add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat
5745 add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir
5746 # 2523: use of inline assembly is deprecated
5747 add_cflags -W${armcc_opt},--diag_suppress=2523
5748 add_cflags -W${armcc_opt},--diag_suppress=1207
5749 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
5750 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
5751 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
5752 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
5753 elif enabled tms470; then
5754 add_cflags -pds=824 -pds=837
5756 elif enabled pathscale; then
5757 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
5758 elif enabled_any msvc icl; then
5759 enabled x86_32 && disable aligned_stack
5760 enabled_all x86_32 debug && add_cflags -Oy-
5761 enabled debug && add_ldflags -debug
5762 enable pragma_deprecated
5763 if enabled icl; then
5764 # -Qansi-alias is basically -fstrict-aliasing, but does not work
5765 # (correctly) on icl 13.x.
5766 check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&
5767 add_cflags -Qansi-alias
5768 # Some inline asm is not compilable in debug
5769 if enabled debug; then
5770 disable ebp_available
5771 disable ebx_available
5774 # msvcrt10 x64 incorrectly enables log2, only msvcrt12 (MSVC 2013) onwards actually has log2.
5775 check_cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION >= 12" || disable log2
5776 # The CRT headers contain __declspec(restrict) in a few places, but if redefining
5777 # restrict, this might break. MSVC 2010 and 2012 fail with __declspec(__restrict)
5778 # (as it ends up if the restrict redefine is done before including stdlib.h), while
5779 # MSVC 2013 and newer can handle it fine.
5780 # If this declspec fails, force including stdlib.h before the restrict redefinition
5781 # happens in config.h.
5782 if [ $_restrict != restrict ]; then
5783 check_cc <<EOF || add_cflags -FIstdlib.h
5784 __declspec($_restrict) void* foo(int);
5787 check_func strtoll || add_cflags -Dstrtoll=_strtoi64
5790 for pfx in "" host_; do
5791 varname=${pfx%_}cc_type
5792 eval "type=\$$varname"
5793 if [ $type = "msvc" ]; then
5794 check_${pfx}cc <<EOF || add_${pfx}cflags -Dinline=__inline
5795 static inline int foo(int a) { return a; }
5802 add_asflags -Qunused-arguments
5808 check_ldflags -Qunused-arguments
5814 enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'
5817 add_cppflags -Dmain=plan9_main
5821 enable frame_thread_encoder
5823 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
5825 check_deps $CONFIG_LIST \
5830 enabled threads && ! enabled pthreads && ! enabled atomics_native && die "non pthread threading without atomics not supported, try adding --enable-pthreads or --cpu=i486 or higher if you are on x86"
5833 if test $target_os = "haiku"; then
5835 disable posix_memalign
5838 enabled_all dxva2 dxva2api_cobj CoTaskMemFree &&
5839 prepend ffmpeg_libs $($ldflags_filter "-lole32" "-luser32") &&
5842 ! enabled_any memalign posix_memalign aligned_malloc &&
5843 enabled simd_align_16 && enable memalign_hack
5846 # -> enable ${lib}_deps_${dep}
5847 # -> add $dep to ${lib}_deps only once
5851 enabled "${lib}_deps_${dep}" && return 0
5852 enable "${lib}_deps_${dep}"
5853 prepend "${lib}_deps" $dep
5856 # merge deps lib components
5857 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
5862 enabled $comp || continue
5863 eval "dep=\"\$${comp}_deps\""
5870 merge_deps libavfilter $FILTER_LIST
5872 map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST
5874 for thread in $THREADS_LIST; do
5875 if enabled $thread; then
5876 test -n "$thread_type" &&
5877 die "ERROR: Only one thread type must be selected." ||
5878 thread_type="$thread"
5882 enabled zlib && add_cppflags -DZLIB_CONST
5884 # conditional library dependencies, in linking order
5885 enabled amovie_filter && prepend avfilter_deps "avformat avcodec"
5886 enabled aresample_filter && prepend avfilter_deps "swresample"
5887 enabled asyncts_filter && prepend avfilter_deps "avresample"
5888 enabled atempo_filter && prepend avfilter_deps "avcodec"
5889 enabled cover_rect_filter && prepend avfilter_deps "avformat avcodec"
5890 enabled ebur128_filter && enabled swresample && prepend avfilter_deps "swresample"
5891 enabled elbg_filter && prepend avfilter_deps "avcodec"
5892 enabled fftfilt_filter && prepend avfilter_deps "avcodec"
5893 enabled find_rect_filter && prepend avfilter_deps "avformat avcodec"
5894 enabled mcdeint_filter && prepend avfilter_deps "avcodec"
5895 enabled movie_filter && prepend avfilter_deps "avformat avcodec"
5896 enabled pan_filter && prepend avfilter_deps "swresample"
5897 enabled pp_filter && prepend avfilter_deps "postproc"
5898 enabled removelogo_filter && prepend avfilter_deps "avformat avcodec swscale"
5899 enabled resample_filter && prepend avfilter_deps "avresample"
5900 enabled sab_filter && prepend avfilter_deps "swscale"
5901 enabled scale_filter && prepend avfilter_deps "swscale"
5902 enabled scale2ref_filter && prepend avfilter_deps "swscale"
5903 enabled showspectrum_filter && prepend avfilter_deps "avcodec"
5904 enabled smartblur_filter && prepend avfilter_deps "swscale"
5905 enabled subtitles_filter && prepend avfilter_deps "avformat avcodec"
5906 enabled uspp_filter && prepend avfilter_deps "avcodec"
5908 enabled lavfi_indev && prepend avdevice_deps "avfilter"
5910 enabled opus_decoder && prepend avcodec_deps "swresample"
5914 eval "deps=\$$lib_deps"
5915 append $lib_deps $(map 'eval echo \$${v}_deps' $deps)
5919 #we have to remove gpl from the deps here as some code assumes all lib deps are libs
5920 postproc_deps="$(filter_out 'gpl' $postproc_deps)"
5922 map 'expand_deps $v' $LIBRARY_LIST
5924 echo "install prefix $prefix"
5925 echo "source path $source_path"
5926 echo "C compiler $cc"
5927 echo "C library $libc_type"
5928 if test "$host_cc" != "$cc"; then
5929 echo "host C compiler $host_cc"
5930 echo "host C library $host_libc_type"
5932 echo "ARCH $arch ($cpu)"
5933 if test "$build_suffix" != ""; then
5934 echo "build suffix $build_suffix"
5936 if test "$progs_suffix" != ""; then
5937 echo "progs suffix $progs_suffix"
5939 if test "$extra_version" != ""; then
5940 echo "version string suffix $extra_version"
5942 echo "big-endian ${bigendian-no}"
5943 echo "runtime cpu detection ${runtime_cpudetect-no}"
5944 if enabled x86; then
5945 echo "${yasmexe} ${yasm-no}"
5946 echo "MMX enabled ${mmx-no}"
5947 echo "MMXEXT enabled ${mmxext-no}"
5948 echo "3DNow! enabled ${amd3dnow-no}"
5949 echo "3DNow! extended enabled ${amd3dnowext-no}"
5950 echo "SSE enabled ${sse-no}"
5951 echo "SSSE3 enabled ${ssse3-no}"
5952 echo "AVX enabled ${avx-no}"
5953 echo "XOP enabled ${xop-no}"
5954 echo "FMA3 enabled ${fma3-no}"
5955 echo "FMA4 enabled ${fma4-no}"
5956 echo "i686 features enabled ${i686-no}"
5957 echo "CMOV is fast ${fast_cmov-no}"
5958 echo "EBX available ${ebx_available-no}"
5959 echo "EBP available ${ebp_available-no}"
5961 if enabled aarch64; then
5962 echo "NEON enabled ${neon-no}"
5963 echo "VFP enabled ${vfp-no}"
5965 if enabled arm; then
5966 echo "ARMv5TE enabled ${armv5te-no}"
5967 echo "ARMv6 enabled ${armv6-no}"
5968 echo "ARMv6T2 enabled ${armv6t2-no}"
5969 echo "VFP enabled ${vfp-no}"
5970 echo "NEON enabled ${neon-no}"
5971 echo "THUMB enabled ${thumb-no}"
5973 if enabled mips; then
5974 echo "MIPS FPU enabled ${mipsfpu-no}"
5975 echo "MIPS32R5 enabled ${mips32r5-no}"
5976 echo "MIPS64R6 enabled ${mips64r6-no}"
5977 echo "MIPS DSP R1 enabled ${mipsdspr1-no}"
5978 echo "MIPS DSP R2 enabled ${mipsdspr2-no}"
5979 echo "MIPS MSA enabled ${msa-no}"
5980 echo "LOONGSON MMI enabled ${mmi-no}"
5982 if enabled ppc; then
5983 echo "AltiVec enabled ${altivec-no}"
5984 echo "VSX enabled ${vsx-no}"
5985 echo "POWER8 enabled ${power8-no}"
5986 echo "PPC 4xx optimizations ${ppc4xx-no}"
5987 echo "dcbzl available ${dcbzl-no}"
5989 echo "debug symbols ${debug-no}"
5990 echo "strip symbols ${stripping-no}"
5991 echo "optimize for size ${small-no}"
5992 echo "optimizations ${optimizations-no}"
5993 echo "static ${static-no}"
5994 echo "shared ${shared-no}"
5995 echo "postprocessing support ${postproc-no}"
5996 echo "new filter support ${avfilter-no}"
5997 echo "network support ${network-no}"
5998 echo "threading support ${thread_type-no}"
5999 echo "safe bitstream reader ${safe_bitstream_reader-no}"
6000 echo "SDL support ${sdl-no}"
6001 echo "opencl enabled ${opencl-no}"
6002 echo "texi2html enabled ${texi2html-no}"
6003 echo "perl enabled ${perl-no}"
6004 echo "pod2man enabled ${pod2man-no}"
6005 echo "makeinfo enabled ${makeinfo-no}"
6006 echo "makeinfo supports HTML ${makeinfo_html-no}"
6007 test -n "$random_seed" &&
6008 echo "random seed ${random_seed}"
6011 echo "Enabled programs:"
6012 print_enabled '' $PROGRAM_LIST | print_in_columns
6015 echo "External libraries:"
6016 print_enabled '' $EXTERNAL_LIBRARY_LIST | print_in_columns
6019 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
6020 echo "Enabled ${type}s:"
6021 eval list=\$$(toupper $type)_LIST
6022 print_enabled '_*' $list | print_in_columns
6026 license="LGPL version 2.1 or later"
6027 if enabled nonfree; then
6028 license="nonfree and unredistributable"
6029 elif enabled gplv3; then
6030 license="GPL version 3 or later"
6031 elif enabled lgplv3; then
6032 license="LGPL version 3 or later"
6033 elif enabled gpl; then
6034 license="GPL version 2 or later"
6037 echo "License: $license"
6039 echo "Creating config.mak, config.h, and doc/config.texi..."
6041 test -e Makefile || echo "include $source_path/Makefile" > Makefile
6043 enabled stripping || strip="echo skipping strip"
6045 config_files="$TMPH config.mak doc/config.texi"
6047 cat > config.mak <<EOF
6048 # Automatically generated by configure - do not modify!
6049 ifndef FFMPEG_CONFIG_MAK
6051 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
6053 LIBDIR=\$(DESTDIR)$libdir
6054 SHLIBDIR=\$(DESTDIR)$shlibdir
6055 INCDIR=\$(DESTDIR)$incdir
6056 BINDIR=\$(DESTDIR)$bindir
6057 DATADIR=\$(DESTDIR)$datadir
6058 DOCDIR=\$(DESTDIR)$docdir
6059 MANDIR=\$(DESTDIR)$mandir
6060 PKGCONFIGDIR=\$(DESTDIR)$pkgconfigdir
6061 SRC_PATH=$source_path
6062 ifndef MAIN_MAKEFILE
6063 SRC_PATH:=\$(SRC_PATH:.%=..%)
6067 INTRINSICS=$intrinsics
6073 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
6075 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
6104 LDEXEFLAGS=$LDEXEFLAGS
6105 LDLIBFLAGS=$LDLIBFLAGS
6106 SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
6107 ASMSTRIPFLAGS=$ASMSTRIPFLAGS
6108 YASMFLAGS=$YASMFLAGS
6109 BUILDSUF=$build_suffix
6110 PROGSSUF=$progs_suffix
6118 EXTRA_VERSION=$extra_version
6121 CCDEP_FLAGS=$CCDEP_FLAGS
6123 ASDEP_FLAGS=$ASDEP_FLAGS
6124 CC_DEPFLAGS=$CC_DEPFLAGS
6125 AS_DEPFLAGS=$AS_DEPFLAGS
6128 HOSTCFLAGS=$host_cflags
6129 HOSTCPPFLAGS=$host_cppflags
6130 HOSTEXESUF=$HOSTEXESUF
6131 HOSTLDFLAGS=$host_ldflags
6134 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
6135 HOSTCCDEP=$HOSTCCDEP
6136 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
6137 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
6141 TARGET_EXEC=$target_exec $target_exec_args
6142 TARGET_PATH=$target_path
6143 TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}
6144 CFLAGS-ffplay=$sdl_cflags
6145 ZLIB=$($ldflags_filter -lz)
6146 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
6147 EXTRALIBS=$extralibs
6148 COMPAT_OBJS=$compat_objs
6151 LIBTARGET=${LIBTARGET}
6152 SLIBNAME=${SLIBNAME}
6153 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
6154 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
6155 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
6156 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
6157 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
6158 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
6159 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
6160 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
6161 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
6162 NOREDZONE_FLAGS=$noredzone_flags
6167 name=$(toupper $lcname)
6168 file=$source_path/$lcname/version.h
6169 eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")
6170 enabled raise_major && eval ${name}_VERSION_MAJOR=$((${name}_VERSION_MAJOR+100))
6171 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
6172 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
6173 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
6174 eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak
6177 map 'get_version $v' $LIBRARY_LIST
6179 map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> config.mak' $LIBRARY_LIST
6181 print_program_libs(){
6182 eval "program_libs=\$${1}_libs"
6183 eval echo "LIBS-${1}=${program_libs}" >> config.mak
6186 map 'print_program_libs $v' $PROGRAM_LIST
6189 /* Automatically generated by configure - do not modify! */
6190 #ifndef FFMPEG_CONFIG_H
6191 #define FFMPEG_CONFIG_H
6192 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
6193 #define FFMPEG_LICENSE "$(c_escape $license)"
6194 #define CONFIG_THIS_YEAR 2015
6195 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
6196 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
6197 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
6198 #define av_restrict $_restrict
6199 #define EXTERN_PREFIX "${extern_prefix}"
6200 #define EXTERN_ASM ${extern_prefix}
6201 #define BUILDSUF "$build_suffix"
6202 #define SLIBSUF "$SLIBSUF"
6203 #define HAVE_MMX2 HAVE_MMXEXT
6204 #define SWS_MAX_FILTER_SIZE $sws_max_filter_size
6207 test -n "$assert_level" &&
6208 echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
6210 test -n "$malloc_prefix" &&
6211 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
6213 if enabled yasm; then
6214 append config_files $TMPASM
6218 enabled getenv || echo "#define getenv(x) NULL" >> $TMPH
6224 echo "@c auto-generated by configure" > doc/config.texi
6226 print_config ARCH_ "$config_files" $ARCH_LIST
6227 print_config HAVE_ "$config_files" $HAVE_LIST
6228 print_config CONFIG_ "$config_files" $CONFIG_LIST \
6232 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
6233 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
6235 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
6236 cp_if_changed $TMPH config.h
6239 enabled yasm && cp_if_changed $TMPASM config.asm
6242 /* Generated by ffconf */
6243 #ifndef AVUTIL_AVCONFIG_H
6244 #define AVUTIL_AVCONFIG_H
6247 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
6249 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
6251 cp_if_changed $TMPH libavutil/avconfig.h
6253 if test -n "$WARNINGS"; then
6254 printf "\n%s%s$WARNINGS%s" "$warn_color" "$bold_color" "$reset_color"
6255 enabled fatal_warnings && exit 1
6258 # build pkg-config files
6261 eval printf "\"lib${1}${build_suffix} >= \$LIB$(toupper ${1})_VERSION, \""
6264 pkgconfig_generate(){
6266 shortname=${name#lib}${build_suffix}
6270 requires=$(map 'lib_version $v' $(eval echo \$${name#lib}_deps))
6271 requires=${requires%, }
6272 enabled ${name#lib} || return 0
6274 cat <<EOF > $name/$name${build_suffix}.pc
6276 exec_prefix=\${prefix}
6281 Description: $comment
6283 Requires: $(enabled shared || echo $requires)
6284 Requires.private: $(enabled shared && echo $requires)
6286 Libs: -L\${libdir} $(enabled rpath && echo "-Wl,-rpath,\${libdir}") -l${shortname} $(enabled shared || echo $libs)
6287 Libs.private: $(enabled shared && echo $libs)
6288 Cflags: -I\${includedir}
6291 mkdir -p doc/examples/pc-uninstalled
6292 includedir=${source_path}
6293 [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."
6294 cat <<EOF > doc/examples/pc-uninstalled/$name.pc
6297 libdir=\${pcfiledir}/../../../$name
6298 includedir=${includedir}
6301 Description: $comment
6305 Libs: -L\${libdir} -Wl,-rpath,\${libdir} -l${shortname} $(enabled shared || echo $libs)
6306 Cflags: -I\${includedir}
6310 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBRT $LIBM"
6311 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs"
6312 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs"
6313 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs"
6314 pkgconfig_generate libavfilter "FFmpeg audio/video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
6315 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" ""
6316 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$LIBM"
6317 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM"
6318 pkgconfig_generate libswresample "FFmpeg audio resampling library" "$LIBSWRESAMPLE_VERSION" "$LIBM $LIBSOXR"