3 # FFmpeg configure script
5 # Copyright (c) 2000-2002 Fabrice Bellard
6 # Copyright (c) 2005-2008 Diego Biurrun
7 # Copyright (c) 2005-2008 Mans Rullgard
10 # Prevent locale nonsense from breaking basic text processing.
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
18 echo "Trying shell $1"
19 type "$1" > /dev/null 2>&1 && exec "$@"
23 (: ${foo%%bar}) 2> /dev/null
26 (: ${foo?}) 2> /dev/null
29 if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
32 if test "0$FF_CONF_EXEC" -lt 1; then
34 try_exec bash "$0" "$@"
36 if test "0$FF_CONF_EXEC" -lt 2; then
38 try_exec ksh "$0" "$@"
40 if test "0$FF_CONF_EXEC" -lt 3; then
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
44 echo "No compatible shell script interpreter found."
45 echo "This configure script requires a POSIX-compatible shell"
46 echo "such as bash or ksh."
47 echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken FFmpeg."
50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
57 test -d /usr/xpg4/bin && PATH=/usr/xpg4/bin:$PATH
61 Usage: configure [options]
62 Options: [defaults in brackets after descriptions]
65 --help print this message
66 --list-decoders show all available decoders
67 --list-encoders show all available encoders
68 --list-hwaccels show all available hardware accelerators
69 --list-demuxers show all available demuxers
70 --list-muxers show all available muxers
71 --list-parsers show all available parsers
72 --list-protocols show all available protocols
73 --list-bsfs show all available bitstream filters
74 --list-indevs show all available input devices
75 --list-outdevs show all available output devices
76 --list-filters show all available filters
79 --logfile=FILE log tests and output to FILE [config.log]
80 --disable-logging do not log configure debug information
81 --fatal-warnings fail if any configure warning is generated
82 --prefix=PREFIX install in PREFIX [$prefix]
83 --bindir=DIR install binaries in DIR [PREFIX/bin]
84 --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg]
85 --docdir=DIR install documentation in DIR [PREFIX/share/doc/ffmpeg]
86 --libdir=DIR install libs in DIR [PREFIX/lib]
87 --shlibdir=DIR install shared libs in DIR [LIBDIR]
88 --incdir=DIR install includes in DIR [PREFIX/include]
89 --mandir=DIR install man page in DIR [PREFIX/share/man]
90 --pkgconfigdir=DIR install pkg-config files in DIR [LIBDIR/pkgconfig]
91 --enable-rpath use rpath to allow installing libraries in paths
92 not part of the dynamic linker search path
93 use rpath when linking programs [USE WITH CARE]
96 --enable-gpl allow use of GPL code, the resulting libs
97 and binaries will be under GPL [no]
98 --enable-version3 upgrade (L)GPL to version 3 [no]
99 --enable-nonfree allow use of nonfree code, the resulting libs
100 and binaries will be unredistributable [no]
102 Configuration options:
103 --disable-static do not build static libraries [no]
104 --enable-shared build shared libraries [no]
105 --enable-small optimize for size instead of speed
106 --disable-runtime-cpudetect disable detecting cpu capabilities at runtime (smaller binary)
107 --enable-gray enable full grayscale support (slower color)
108 --disable-swscale-alpha disable alpha channel support in swscale
109 --disable-all disable building components, libraries and programs
110 --enable-incompatible-libav-abi enable incompatible Libav fork ABI [no]
111 --enable-raise-major increase major version numbers in sonames [no]
114 --disable-programs do not build command line programs
115 --disable-ffmpeg disable ffmpeg build
116 --disable-ffplay disable ffplay build
117 --disable-ffprobe disable ffprobe build
118 --disable-ffserver disable ffserver build
120 Documentation options:
121 --disable-doc do not build documentation
122 --disable-htmlpages do not build HTML documentation pages
123 --disable-manpages do not build man documentation pages
124 --disable-podpages do not build POD documentation pages
125 --disable-txtpages do not build text documentation pages
128 --disable-avdevice disable libavdevice build
129 --disable-avcodec disable libavcodec build
130 --disable-avformat disable libavformat build
131 --disable-avutil disable libavutil build
132 --disable-swresample disable libswresample build
133 --disable-swscale disable libswscale build
134 --disable-postproc disable libpostproc build
135 --disable-avfilter disable libavfilter build
136 --enable-avresample enable libavresample build [no]
137 --disable-pthreads disable pthreads [autodetect]
138 --disable-w32threads disable Win32 threads [autodetect]
139 --disable-os2threads disable OS/2 threads [autodetect]
140 --disable-network disable network support [no]
141 --disable-dct disable DCT code
142 --disable-dwt disable DWT code
143 --disable-error-resilience disable error resilience code
144 --disable-lsp disable LSP code
145 --disable-lzo disable LZO decoder code
146 --disable-mdct disable MDCT code
147 --disable-rdft disable RDFT code
148 --disable-fft disable FFT code
149 --disable-faan disable floating point AAN (I)DCT code
150 --disable-pixelutils disable pixel utils in libavutil
152 Hardware accelerators:
153 --disable-d3d11va disable D3D11VA code [autodetect]
154 --disable-dxva2 disable DXVA2 code [autodetect]
155 --disable-vaapi disable VAAPI code [autodetect]
156 --disable-vda disable VDA code [autodetect]
157 --disable-vdpau disable VDPAU code [autodetect]
158 --enable-videotoolbox enable VideoToolbox code [autodetect]
160 Individual component options:
161 --disable-everything disable all components listed below
162 --disable-encoder=NAME disable encoder NAME
163 --enable-encoder=NAME enable encoder NAME
164 --disable-encoders disable all encoders
165 --disable-decoder=NAME disable decoder NAME
166 --enable-decoder=NAME enable decoder NAME
167 --disable-decoders disable all decoders
168 --disable-hwaccel=NAME disable hwaccel NAME
169 --enable-hwaccel=NAME enable hwaccel NAME
170 --disable-hwaccels disable all hwaccels
171 --disable-muxer=NAME disable muxer NAME
172 --enable-muxer=NAME enable muxer NAME
173 --disable-muxers disable all muxers
174 --disable-demuxer=NAME disable demuxer NAME
175 --enable-demuxer=NAME enable demuxer NAME
176 --disable-demuxers disable all demuxers
177 --enable-parser=NAME enable parser NAME
178 --disable-parser=NAME disable parser NAME
179 --disable-parsers disable all parsers
180 --enable-bsf=NAME enable bitstream filter NAME
181 --disable-bsf=NAME disable bitstream filter NAME
182 --disable-bsfs disable all bitstream filters
183 --enable-protocol=NAME enable protocol NAME
184 --disable-protocol=NAME disable protocol NAME
185 --disable-protocols disable all protocols
186 --enable-indev=NAME enable input device NAME
187 --disable-indev=NAME disable input device NAME
188 --disable-indevs disable input devices
189 --enable-outdev=NAME enable output device NAME
190 --disable-outdev=NAME disable output device NAME
191 --disable-outdevs disable output devices
192 --disable-devices disable all devices
193 --enable-filter=NAME enable filter NAME
194 --disable-filter=NAME disable filter NAME
195 --disable-filters disable all filters
197 External library support:
198 --enable-avisynth enable reading of AviSynth script files [no]
199 --disable-bzlib disable bzlib [autodetect]
200 --enable-fontconfig enable fontconfig, useful for drawtext filter [no]
201 --enable-frei0r enable frei0r video filtering [no]
202 --enable-gnutls enable gnutls, needed for https support
203 if openssl is not used [no]
204 --disable-iconv disable iconv [autodetect]
205 --enable-ladspa enable LADSPA audio filtering [no]
206 --enable-libaacplus enable AAC+ encoding via libaacplus [no]
207 --enable-libass enable libass subtitles rendering,
208 needed for subtitles and ass filter [no]
209 --enable-libbluray enable BluRay reading using libbluray [no]
210 --enable-libbs2b enable bs2b DSP library [no]
211 --enable-libcaca enable textual display using libcaca [no]
212 --enable-libcelt enable CELT decoding via libcelt [no]
213 --enable-libcdio enable audio CD grabbing with libcdio [no]
214 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
216 --enable-libdcadec enable DCA decoding via libdcadec [no]
217 --enable-libfaac enable AAC encoding via libfaac [no]
218 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
219 --enable-libflite enable flite (voice synthesis) support via libflite [no]
220 --enable-libfreetype enable libfreetype, needed for drawtext filter [no]
221 --enable-libfribidi enable libfribidi, improves drawtext filter [no]
222 --enable-libgme enable Game Music Emu via libgme [no]
223 --enable-libgsm enable GSM de/encoding via libgsm [no]
224 --enable-libiec61883 enable iec61883 via libiec61883 [no]
225 --enable-libilbc enable iLBC de/encoding via libilbc [no]
226 --enable-libkvazaar enable HEVC encoding via libkvazaar [no]
227 --enable-libmfx enable HW acceleration through libmfx
228 --enable-libmodplug enable ModPlug via libmodplug [no]
229 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
230 --enable-libnut enable NUT (de)muxing via libnut,
231 native (de)muxer exists [no]
232 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
233 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
234 --enable-libopencv enable video filtering via libopencv [no]
235 --enable-libopenh264 enable H.264 encoding via OpenH264 [no]
236 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
237 --enable-libopus enable Opus de/encoding via libopus [no]
238 --enable-libpulse enable Pulseaudio input via libpulse [no]
239 --enable-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="
1468 safe_bitstream_reader
1529 $EXTERNAL_LIBRARY_LIST
1537 incompatible_libav_abi
1599 ARCH_EXT_LIST_MIPS="
1609 ARCH_EXT_LIST_LOONGSON="
1615 ARCH_EXT_LIST_X86_SIMD="
1643 $ARCH_EXT_LIST_X86_SIMD
1653 $ARCH_EXT_LIST_LOONGSON
1669 atomic_compare_exchange
1675 sync_val_compare_and_swap
1686 incompatible_libav_abi
1695 cdio_paranoia_paranoia_h
1696 dev_bktr_ioctl_bt848_h
1697 dev_bktr_ioctl_meteor_h
1699 dev_video_bktr_ioctl_bt848_h
1700 dev_video_meteor_ioctl_meteor_h
1710 machine_ioctl_bt848_h
1711 machine_ioctl_meteor_h
1713 openjpeg_1_5_openjpeg_h
1783 GetProcessAffinityMask
1784 GetProcessMemoryInfo
1788 GetSystemTimeAsFileTime
1795 jack_port_get_latency_range
1811 SetConsoleTextAttribute
1812 SetConsoleCtrlHandler
1824 TOOLCHAIN_FEATURES="
1837 inline_asm_nonlocal_labels
1838 inline_asm_direct_symbol_refs
1849 CONDITION_VARIABLE_Ptr
1852 struct_dcadec_exss_info_matrix_encoding
1853 struct_group_source_req
1854 struct_ip_mreq_source
1857 struct_rusage_ru_maxrss
1858 struct_sctp_event_subscribe
1860 struct_sockaddr_sa_len
1861 struct_sockaddr_storage
1862 struct_stat_st_mtim_tv_nsec
1863 struct_v4l2_frmivalenum_discrete
1868 $(add_suffix _external $ARCH_EXT_LIST)
1869 $(add_suffix _inline $ARCH_EXT_LIST)
1902 # options emitted with CONFIG_ prefix but not available on the command line
1918 frame_thread_encoder
2060 # code dependency declarations
2062 # architecture extensions
2067 armv8_deps="aarch64"
2068 neon_deps_any="aarch64 arm"
2069 intrinsics_neon_deps="neon"
2070 vfp_deps_any="aarch64 arm"
2074 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
2077 mipsdspr1_deps="mips"
2078 mipsdspr2_deps="mips"
2079 mips32r2_deps="mips"
2080 mips32r5_deps="mips"
2081 mips64r6_deps="mips"
2093 x86_64_select="i686"
2094 x86_64_suggest="fast_cmov"
2097 amd3dnowext_deps="amd3dnow"
2113 mmx_external_deps="yasm"
2114 mmx_inline_deps="inline_asm"
2115 mmx_suggest="mmx_external mmx_inline"
2117 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
2118 eval dep=\$${ext}_deps
2119 eval ${ext}_external_deps='"${dep}_external"'
2120 eval ${ext}_inline_deps='"${dep}_inline"'
2121 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
2124 aligned_stack_if_any="aarch64 ppc x86"
2125 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
2126 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
2127 fast_unaligned_if_any="aarch64 ppc x86"
2128 simd_align_16_if_any="altivec neon sse"
2130 # system capabilities
2131 symver_if_any="symver_asm_label symver_gnu_asm"
2132 valgrind_backtrace_deps="!optimizations valgrind_valgrind_h"
2135 atomics_gcc_if_any="sync_val_compare_and_swap atomic_compare_exchange"
2136 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
2137 atomics_win32_if="MemoryBarrier"
2138 atomics_native_if_any="$ATOMICS_LIST"
2139 w32threads_deps="atomics_native"
2140 threads_if_any="$THREADS_LIST"
2144 error_resilience_select="me_cmp"
2145 faandct_deps="faan fdctdsp"
2146 faanidct_deps="faan idctdsp"
2147 frame_thread_encoder_deps="encoders threads"
2148 intrax8_select="error_resilience"
2151 me_cmp_select="fdctdsp idctdsp pixblockdsp"
2152 mpeg_er_select="error_resilience"
2153 mpegaudio_select="mpegaudiodsp"
2154 mpegaudiodsp_select="dct"
2155 mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp mpeg_er videodsp"
2156 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
2160 # decoders / encoders
2161 aac_decoder_select="imdct15 mdct sinewin"
2162 aac_fixed_decoder_select="mdct sinewin"
2163 aac_encoder_select="audio_frame_queue iirfilter lpc mdct sinewin"
2164 aac_latm_decoder_select="aac_decoder aac_latm_parser"
2165 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
2166 ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"
2167 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
2168 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
2169 adpcm_g722_decoder_select="g722dsp"
2170 adpcm_g722_encoder_select="g722dsp"
2171 aic_decoder_select="golomb idctdsp"
2172 alac_encoder_select="lpc"
2173 als_decoder_select="bswapdsp"
2174 amrnb_decoder_select="lsp"
2175 amrwb_decoder_select="lsp"
2176 amv_decoder_select="sp5x_decoder exif"
2177 amv_encoder_select="aandcttables jpegtables mpegvideoenc"
2178 ape_decoder_select="bswapdsp llauddsp"
2179 apng_decoder_select="zlib"
2180 apng_encoder_select="huffyuvencdsp zlib"
2181 asv1_decoder_select="blockdsp bswapdsp idctdsp"
2182 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
2183 asv2_decoder_select="blockdsp bswapdsp idctdsp"
2184 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
2185 atrac1_decoder_select="mdct sinewin"
2186 atrac3_decoder_select="mdct"
2187 atrac3p_decoder_select="mdct sinewin"
2188 avrn_decoder_select="exif jpegtables"
2189 bink_decoder_select="blockdsp hpeldsp"
2190 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
2191 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
2192 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
2193 cllc_decoder_select="bswapdsp"
2194 comfortnoise_encoder_select="lpc"
2195 cook_decoder_select="audiodsp mdct sinewin"
2196 cscd_decoder_select="lzo"
2197 cscd_decoder_suggest="zlib"
2198 dca_decoder_select="fmtconvert mdct"
2199 dds_decoder_select="texturedsp"
2200 dirac_decoder_select="dwt golomb videodsp mpegvideoenc"
2201 dnxhd_decoder_select="blockdsp idctdsp"
2202 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
2203 dvvideo_decoder_select="dvprofile idctdsp"
2204 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
2205 dxa_decoder_select="zlib"
2206 dxv_decoder_select="lzf texturedsp"
2207 eac3_decoder_select="ac3_decoder"
2208 eac3_encoder_select="ac3_encoder"
2209 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
2210 eatgq_decoder_select="aandcttables"
2211 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpeg1video_decoder"
2212 exr_decoder_select="zlib"
2213 ffv1_decoder_select="golomb rangecoder"
2214 ffv1_encoder_select="rangecoder"
2215 ffvhuff_decoder_select="huffyuv_decoder"
2216 ffvhuff_encoder_select="huffyuv_encoder"
2217 fic_decoder_select="golomb"
2218 flac_decoder_select="flacdsp golomb"
2219 flac_encoder_select="bswapdsp flacdsp golomb lpc"
2220 flashsv_decoder_select="zlib"
2221 flashsv_encoder_select="zlib"
2222 flashsv2_encoder_select="zlib"
2223 flashsv2_decoder_select="zlib"
2224 flv_decoder_select="h263_decoder"
2225 flv_encoder_select="h263_encoder"
2226 fourxm_decoder_select="blockdsp bswapdsp"
2227 fraps_decoder_select="bswapdsp huffman"
2228 g2m_decoder_select="blockdsp idctdsp jpegtables zlib"
2229 g729_decoder_select="audiodsp"
2230 h261_decoder_select="mpegvideo"
2231 h261_encoder_select="aandcttables mpegvideoenc"
2232 h263_decoder_select="h263_parser h263dsp mpegvideo qpeldsp"
2233 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
2234 h263i_decoder_select="h263_decoder"
2235 h263p_decoder_select="h263_decoder"
2236 h263p_encoder_select="h263_encoder"
2237 h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel startcode videodsp"
2238 h264_decoder_suggest="error_resilience"
2239 h264_qsv_decoder_deps="libmfx"
2240 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
2241 h264_qsv_encoder_deps="libmfx"
2242 h264_qsv_encoder_select="qsvenc"
2243 hap_decoder_select="snappy texturedsp"
2244 hap_encoder_deps="libsnappy"
2245 hap_encoder_select="texturedspenc"
2246 hevc_decoder_select="bswapdsp cabac golomb videodsp"
2247 hevc_qsv_encoder_deps="libmfx"
2248 hevc_qsv_decoder_deps="libmfx"
2249 hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec hevc_qsv_hwaccel"
2250 hevc_qsv_encoder_select="qsvenc"
2251 huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"
2252 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llviddsp"
2253 iac_decoder_select="imc_decoder"
2254 imc_decoder_select="bswapdsp fft mdct sinewin"
2255 indeo3_decoder_select="hpeldsp"
2256 indeo4_decoder_select="ividsp"
2257 indeo5_decoder_select="ividsp"
2258 interplay_video_decoder_select="hpeldsp"
2259 jpegls_decoder_select="golomb mjpeg_decoder"
2260 jpegls_encoder_select="golomb"
2261 jv_decoder_select="blockdsp"
2262 lagarith_decoder_select="huffyuvdsp"
2263 ljpeg_encoder_select="aandcttables idctdsp jpegtables"
2264 loco_decoder_select="golomb"
2265 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2266 metasound_decoder_select="lsp mdct sinewin"
2267 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2268 mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"
2269 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
2270 mjpegb_decoder_select="mjpeg_decoder"
2271 mlp_decoder_select="mlp_parser"
2272 motionpixels_decoder_select="bswapdsp"
2273 mp1_decoder_select="mpegaudio"
2274 mp1float_decoder_select="mpegaudio"
2275 mp2_decoder_select="mpegaudio"
2276 mp2float_decoder_select="mpegaudio"
2277 mp3_decoder_select="mpegaudio"
2278 mp3adu_decoder_select="mpegaudio"
2279 mp3adufloat_decoder_select="mpegaudio"
2280 mp3float_decoder_select="mpegaudio"
2281 mp3on4_decoder_select="mpegaudio"
2282 mp3on4float_decoder_select="mpegaudio"
2283 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2284 mpc8_decoder_select="mpegaudiodsp"
2285 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
2286 mpeg_xvmc_decoder_select="mpeg2video_decoder"
2287 mpegvideo_decoder_select="mpegvideo"
2288 mpeg1video_decoder_select="mpegvideo"
2289 mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"
2290 mpeg2video_decoder_select="mpegvideo"
2291 mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"
2292 mpeg2_qsv_decoder_deps="libmfx"
2293 mpeg2_qsv_decoder_select="qsvdec mpeg2_qsv_hwaccel"
2294 mpeg2_qsv_encoder_deps="libmfx"
2295 mpeg2_qsv_encoder_select="qsvenc"
2296 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2297 mpeg4_encoder_select="h263_encoder"
2298 msa1_decoder_select="mss34dsp"
2299 msmpeg4v1_decoder_select="h263_decoder"
2300 msmpeg4v2_decoder_select="h263_decoder"
2301 msmpeg4v2_encoder_select="h263_encoder"
2302 msmpeg4v3_decoder_select="h263_decoder"
2303 msmpeg4v3_encoder_select="h263_encoder"
2304 mss2_decoder_select="vc1_decoder"
2305 mts2_decoder_select="mss34dsp"
2306 mxpeg_decoder_select="mjpeg_decoder"
2307 nellymoser_decoder_select="mdct sinewin"
2308 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2309 nuv_decoder_select="idctdsp lzo"
2310 on2avc_decoder_select="mdct"
2311 opus_decoder_deps="swresample"
2312 opus_decoder_select="imdct15"
2313 png_decoder_select="zlib"
2314 png_encoder_select="huffyuvencdsp zlib"
2315 prores_decoder_select="blockdsp idctdsp"
2316 prores_encoder_select="fdctdsp"
2317 qcelp_decoder_select="lsp"
2318 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2319 ra_144_encoder_select="audio_frame_queue lpc audiodsp"
2320 ra_144_decoder_select="audiodsp"
2321 ralf_decoder_select="golomb"
2322 rawvideo_decoder_select="bswapdsp"
2323 rtjpeg_decoder_select="me_cmp"
2324 rv10_decoder_select="h263_decoder"
2325 rv10_encoder_select="h263_encoder"
2326 rv20_decoder_select="h263_decoder"
2327 rv20_encoder_select="h263_encoder"
2328 rv30_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2329 rv40_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2330 screenpresso_decoder_deps="zlib"
2331 shorten_decoder_select="golomb"
2332 sipr_decoder_select="lsp"
2333 snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"
2334 snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"
2335 sonic_decoder_select="golomb rangecoder"
2336 sonic_encoder_select="golomb rangecoder"
2337 sonic_ls_encoder_select="golomb rangecoder"
2338 sp5x_decoder_select="mjpeg_decoder"
2339 svq1_decoder_select="hpeldsp"
2340 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2341 svq3_decoder_select="h264_decoder hpeldsp tpeldsp"
2342 svq3_decoder_suggest="zlib"
2343 tak_decoder_select="audiodsp"
2344 tdsc_decoder_select="zlib mjpeg_decoder"
2345 theora_decoder_select="vp3_decoder"
2346 thp_decoder_select="mjpeg_decoder"
2347 tiff_decoder_suggest="zlib lzma"
2348 tiff_encoder_suggest="zlib"
2349 truehd_decoder_select="mlp_parser"
2350 truemotion2_decoder_select="bswapdsp"
2351 truespeech_decoder_select="bswapdsp"
2352 tscc_decoder_select="zlib"
2353 twinvq_decoder_select="mdct lsp sinewin"
2354 txd_decoder_select="texturedsp"
2355 utvideo_decoder_select="bswapdsp"
2356 utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"
2357 vble_decoder_select="huffyuvdsp"
2358 vc1_decoder_select="blockdsp h263_decoder h264qpel intrax8 qpeldsp startcode"
2359 vc1image_decoder_select="vc1_decoder"
2360 vc1_qsv_decoder_deps="libmfx"
2361 vc1_qsv_decoder_select="qsvdec vc1_qsv_hwaccel"
2362 vorbis_decoder_select="mdct"
2363 vorbis_encoder_select="mdct"
2364 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2365 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"
2366 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"
2367 vp6a_decoder_select="vp6_decoder"
2368 vp6f_decoder_select="vp6_decoder"
2369 vp7_decoder_select="h264pred videodsp vp8dsp"
2370 vp8_decoder_select="h264pred videodsp vp8dsp"
2371 vp9_decoder_select="videodsp vp9_parser"
2372 webp_decoder_select="vp8_decoder"
2373 wmalossless_decoder_select="llauddsp"
2374 wmapro_decoder_select="mdct sinewin wma_freqs"
2375 wmav1_decoder_select="mdct sinewin wma_freqs"
2376 wmav1_encoder_select="mdct sinewin wma_freqs"
2377 wmav2_decoder_select="mdct sinewin wma_freqs"
2378 wmav2_encoder_select="mdct sinewin wma_freqs"
2379 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2380 wmv1_decoder_select="h263_decoder"
2381 wmv1_encoder_select="h263_encoder"
2382 wmv2_decoder_select="blockdsp h263_decoder idctdsp intrax8 videodsp wmv2dsp"
2383 wmv2_encoder_select="h263_encoder wmv2dsp"
2384 wmv3_decoder_select="vc1_decoder"
2385 wmv3image_decoder_select="wmv3_decoder"
2386 zerocodec_decoder_select="zlib"
2387 zlib_decoder_select="zlib"
2388 zlib_encoder_select="zlib"
2389 zmbv_decoder_select="zlib"
2390 zmbv_encoder_select="zlib"
2392 # hardware accelerators
2393 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
2394 d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder ID3D11VideoContext"
2395 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode"
2396 vaapi_deps="va_va_h"
2397 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads CoreServices_CoreServices_h"
2398 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore -framework CoreServices"
2399 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
2400 videotoolbox_deps="VideoToolbox_VideoToolbox_h pthreads CoreServices_CoreServices_h"
2401 videotoolbox_extralibs="-framework CoreFoundation -framework VideoToolbox -framework CoreMedia -framework QuartzCore -framework CoreServices"
2402 xvmc_deps="X11_extensions_XvMClib_h"
2404 h263_vaapi_hwaccel_deps="vaapi"
2405 h263_vaapi_hwaccel_select="h263_decoder"
2406 h263_vdpau_hwaccel_deps="vdpau"
2407 h263_vdpau_hwaccel_select="h263_decoder"
2408 h263_videotoolbox_hwaccel_deps="videotoolbox"
2409 h263_videotoolbox_hwaccel_select="h263_decoder"
2410 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
2411 h264_d3d11va_hwaccel_deps="d3d11va"
2412 h264_d3d11va_hwaccel_select="h264_decoder"
2413 h264_dxva2_hwaccel_deps="dxva2"
2414 h264_dxva2_hwaccel_select="h264_decoder"
2415 h264_mmal_decoder_deps="mmal"
2416 h264_mmal_hwaccel_deps="mmal"
2417 h264_mmal_decoder_select="h264_decoder"
2418 h264_mmal_encoder_deps="mmal"
2419 h264_qsv_hwaccel_deps="libmfx"
2420 h264_vaapi_hwaccel_deps="vaapi"
2421 h264_vaapi_hwaccel_select="h264_decoder"
2422 h264_vda_decoder_deps="vda"
2423 h264_vda_decoder_select="h264_decoder"
2424 h264_vda_hwaccel_deps="vda"
2425 h264_vda_hwaccel_select="h264_decoder"
2426 h264_vda_old_hwaccel_deps="vda"
2427 h264_vda_old_hwaccel_select="h264_decoder"
2428 h264_vdpau_decoder_deps="vdpau"
2429 h264_vdpau_decoder_select="h264_decoder"
2430 h264_vdpau_hwaccel_deps="vdpau"
2431 h264_vdpau_hwaccel_select="h264_decoder"
2432 h264_videotoolbox_hwaccel_deps="videotoolbox"
2433 h264_videotoolbox_hwaccel_select="h264_decoder"
2434 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2435 hevc_d3d11va_hwaccel_select="hevc_decoder"
2436 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2437 hevc_dxva2_hwaccel_select="hevc_decoder"
2438 hevc_qsv_hwaccel_deps="libmfx"
2439 hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC"
2440 hevc_vaapi_hwaccel_select="hevc_decoder"
2441 hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"
2442 hevc_vdpau_hwaccel_select="hevc_decoder"
2443 mpeg_vdpau_decoder_deps="vdpau"
2444 mpeg_vdpau_decoder_select="mpeg2video_decoder"
2445 mpeg_xvmc_hwaccel_deps="xvmc"
2446 mpeg_xvmc_hwaccel_select="mpeg2video_decoder"
2447 mpeg1_vdpau_decoder_deps="vdpau"
2448 mpeg1_vdpau_decoder_select="mpeg1video_decoder"
2449 mpeg1_vdpau_hwaccel_deps="vdpau"
2450 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2451 mpeg1_videotoolbox_hwaccel_deps="videotoolbox"
2452 mpeg1_videotoolbox_hwaccel_select="mpeg1video_decoder"
2453 mpeg1_xvmc_hwaccel_deps="xvmc"
2454 mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"
2455 mpeg2_crystalhd_decoder_select="crystalhd"
2456 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2457 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2458 mpeg2_dxva2_hwaccel_deps="dxva2"
2459 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2460 mpeg2_qsv_hwaccel_deps="libmfx"
2461 mpeg2_qsv_hwaccel_select="qsvdec_mpeg2"
2462 mpeg2_vaapi_hwaccel_deps="vaapi"
2463 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2464 mpeg2_vdpau_hwaccel_deps="vdpau"
2465 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2466 mpeg2_videotoolbox_hwaccel_deps="videotoolbox"
2467 mpeg2_videotoolbox_hwaccel_select="mpeg2video_decoder"
2468 mpeg2_xvmc_hwaccel_deps="xvmc"
2469 mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"
2470 mpeg4_crystalhd_decoder_select="crystalhd"
2471 mpeg4_vaapi_hwaccel_deps="vaapi"
2472 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2473 mpeg4_vdpau_decoder_deps="vdpau"
2474 mpeg4_vdpau_decoder_select="mpeg4_decoder"
2475 mpeg4_vdpau_hwaccel_deps="vdpau"
2476 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2477 mpeg4_videotoolbox_hwaccel_deps="videotoolbox"
2478 mpeg4_videotoolbox_hwaccel_select="mpeg4_decoder"
2479 msmpeg4_crystalhd_decoder_select="crystalhd"
2480 vc1_crystalhd_decoder_select="crystalhd"
2481 vc1_d3d11va_hwaccel_deps="d3d11va"
2482 vc1_d3d11va_hwaccel_select="vc1_decoder"
2483 vc1_dxva2_hwaccel_deps="dxva2"
2484 vc1_dxva2_hwaccel_select="vc1_decoder"
2485 vc1_vaapi_hwaccel_deps="vaapi"
2486 vc1_vaapi_hwaccel_select="vc1_decoder"
2487 vc1_vdpau_decoder_deps="vdpau"
2488 vc1_vdpau_decoder_select="vc1_decoder"
2489 vc1_vdpau_hwaccel_deps="vdpau"
2490 vc1_vdpau_hwaccel_select="vc1_decoder"
2491 vc1_qsv_hwaccel_deps="libmfx"
2492 vc1_qsv_hwaccel_select="qsvdec_vc1"
2493 wmv3_crystalhd_decoder_select="crystalhd"
2494 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2495 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2496 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2497 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2498 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2501 h264_parser_select="h264_decoder"
2502 hevc_parser_select="golomb"
2503 mpegvideo_parser_select="mpegvideo"
2504 mpeg4video_parser_select="h263dsp mpegvideo qpeldsp"
2505 vc1_parser_select="mpegvideo startcode vc1_decoder"
2508 mjpeg2jpeg_bsf_select="jpegtables"
2510 # external libraries
2511 libaacplus_encoder_deps="libaacplus"
2512 libcelt_decoder_deps="libcelt"
2513 libdcadec_decoder_deps="libdcadec"
2514 libfaac_encoder_deps="libfaac"
2515 libfaac_encoder_select="audio_frame_queue"
2516 libfdk_aac_decoder_deps="libfdk_aac"
2517 libfdk_aac_encoder_deps="libfdk_aac"
2518 libfdk_aac_encoder_select="audio_frame_queue"
2519 libgme_demuxer_deps="libgme"
2520 libgsm_decoder_deps="libgsm"
2521 libgsm_encoder_deps="libgsm"
2522 libgsm_ms_decoder_deps="libgsm"
2523 libgsm_ms_encoder_deps="libgsm"
2524 libilbc_decoder_deps="libilbc"
2525 libilbc_encoder_deps="libilbc"
2526 libkvazaar_encoder_deps="libkvazaar"
2527 libmodplug_demuxer_deps="libmodplug"
2528 libmp3lame_encoder_deps="libmp3lame"
2529 libmp3lame_encoder_select="audio_frame_queue"
2530 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2531 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2532 libopencore_amrnb_encoder_select="audio_frame_queue"
2533 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2534 libopenh264_encoder_deps="libopenh264"
2535 libopenjpeg_decoder_deps="libopenjpeg"
2536 libopenjpeg_encoder_deps="libopenjpeg"
2537 libopus_decoder_deps="libopus"
2538 libopus_encoder_deps="libopus"
2539 libopus_encoder_select="audio_frame_queue"
2540 libquvi_demuxer_deps="libquvi"
2541 libschroedinger_decoder_deps="libschroedinger"
2542 libschroedinger_encoder_deps="libschroedinger"
2543 libshine_encoder_deps="libshine"
2544 libshine_encoder_select="audio_frame_queue"
2545 libspeex_decoder_deps="libspeex"
2546 libspeex_encoder_deps="libspeex"
2547 libspeex_encoder_select="audio_frame_queue"
2548 libstagefright_h264_decoder_deps="libstagefright_h264"
2549 libtheora_encoder_deps="libtheora"
2550 libtwolame_encoder_deps="libtwolame"
2551 libvo_aacenc_encoder_deps="libvo_aacenc"
2552 libvo_aacenc_encoder_select="audio_frame_queue"
2553 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2554 libvorbis_decoder_deps="libvorbis"
2555 libvorbis_encoder_deps="libvorbis"
2556 libvorbis_encoder_select="audio_frame_queue"
2557 libvpx_vp8_decoder_deps="libvpx"
2558 libvpx_vp8_encoder_deps="libvpx"
2559 libvpx_vp9_decoder_deps="libvpx"
2560 libvpx_vp9_encoder_deps="libvpx"
2561 libwavpack_encoder_deps="libwavpack"
2562 libwebp_encoder_deps="libwebp"
2563 libwebp_anim_encoder_deps="libwebp"
2564 libx262_encoder_deps="libx262"
2565 libx264_encoder_deps="libx264"
2566 libx264rgb_encoder_deps="libx264"
2567 libx264rgb_encoder_select="libx264_encoder"
2568 libx265_encoder_deps="libx265"
2569 libxavs_encoder_deps="libxavs"
2570 libxvid_encoder_deps="libxvid"
2571 libutvideo_decoder_deps="libutvideo"
2572 libutvideo_encoder_deps="libutvideo"
2573 libzvbi_teletext_decoder_deps="libzvbi"
2574 nvenc_encoder_deps="nvenc"
2575 nvenc_h264_encoder_deps="nvenc"
2576 nvenc_hevc_encoder_deps="nvenc"
2579 ac3_demuxer_select="ac3_parser"
2580 asf_demuxer_select="riffdec"
2581 asf_o_demuxer_select="riffdec"
2582 asf_muxer_select="riffenc"
2583 asf_stream_muxer_select="asf_muxer"
2584 avi_demuxer_select="riffdec exif"
2585 avi_muxer_select="riffenc"
2586 avisynth_demuxer_deps="avisynth"
2587 avisynth_demuxer_select="riffdec"
2588 caf_demuxer_select="riffdec"
2589 dash_muxer_select="mp4_muxer"
2590 dirac_demuxer_select="dirac_parser"
2591 dts_demuxer_select="dca_parser"
2592 dtshd_demuxer_select="dca_parser"
2593 dv_demuxer_select="dvprofile"
2594 dv_muxer_select="dvprofile"
2595 dxa_demuxer_select="riffdec"
2596 eac3_demuxer_select="ac3_parser"
2597 f4v_muxer_select="mov_muxer"
2598 flac_demuxer_select="flac_parser"
2599 hds_muxer_select="flv_muxer"
2600 hls_muxer_select="mpegts_muxer"
2601 image2_alias_pix_demuxer_select="image2_demuxer"
2602 image2_brender_pix_demuxer_select="image2_demuxer"
2603 ipod_muxer_select="mov_muxer"
2604 ismv_muxer_select="mov_muxer"
2605 libnut_demuxer_deps="libnut"
2606 libnut_muxer_deps="libnut"
2607 matroska_audio_muxer_select="matroska_muxer"
2608 matroska_demuxer_select="riffdec"
2609 matroska_demuxer_suggest="bzlib lzo zlib"
2610 matroska_muxer_select="riffenc"
2611 mmf_muxer_select="riffenc"
2612 mov_demuxer_select="riffdec"
2613 mov_demuxer_suggest="zlib"
2614 mov_muxer_select="riffenc rtpenc_chain"
2615 mp3_demuxer_select="mpegaudio_parser"
2616 mp4_muxer_select="mov_muxer"
2617 mpegts_muxer_select="adts_muxer latm_muxer"
2618 mpegtsraw_demuxer_select="mpegts_demuxer"
2619 mxf_d10_muxer_select="mxf_muxer"
2620 mxf_opatom_muxer_select="mxf_muxer"
2621 nut_muxer_select="riffenc"
2622 nuv_demuxer_select="riffdec"
2623 oga_muxer_select="ogg_muxer"
2624 ogg_demuxer_select="golomb"
2625 opus_muxer_select="ogg_muxer"
2626 psp_muxer_select="mov_muxer"
2627 rtp_demuxer_select="sdp_demuxer"
2628 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol"
2629 rtsp_demuxer_select="http_protocol rtpdec"
2630 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2631 sap_demuxer_select="sdp_demuxer"
2632 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2633 sdp_demuxer_select="rtpdec"
2634 smoothstreaming_muxer_select="ismv_muxer"
2635 spdif_muxer_select="aac_parser"
2636 spx_muxer_select="ogg_muxer"
2637 tak_demuxer_select="tak_parser"
2638 tg2_muxer_select="mov_muxer"
2639 tgp_muxer_select="mov_muxer"
2640 vobsub_demuxer_select="mpegps_demuxer"
2641 w64_demuxer_select="wav_demuxer"
2642 w64_muxer_select="wav_muxer"
2643 wav_demuxer_select="riffdec"
2644 wav_muxer_select="riffenc"
2645 webm_muxer_select="riffenc"
2646 wtv_demuxer_select="riffdec"
2647 wtv_muxer_select="riffenc"
2648 xmv_demuxer_select="riffdec"
2649 xwma_demuxer_select="riffdec"
2652 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2653 alsa_outdev_deps="alsa_asoundlib_h"
2654 avfoundation_indev_extralibs="-framework CoreVideo -framework Foundation -framework AVFoundation -framework CoreMedia"
2655 avfoundation_indev_select="avfoundation"
2656 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2657 caca_outdev_deps="libcaca"
2658 decklink_outdev_deps="decklink pthreads"
2659 decklink_outdev_extralibs="-lstdc++"
2660 decklink_indev_deps="decklink pthreads"
2661 decklink_indev_extralibs="-lstdc++"
2662 dshow_indev_deps="IBaseFilter"
2663 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"
2664 dv1394_indev_deps="dv1394"
2665 dv1394_indev_select="dv_demuxer"
2666 fbdev_indev_deps="linux_fb_h"
2667 fbdev_outdev_deps="linux_fb_h"
2668 gdigrab_indev_deps="CreateDIBSection"
2669 gdigrab_indev_extralibs="-lgdi32"
2670 gdigrab_indev_select="bmp_decoder"
2671 iec61883_indev_deps="libiec61883"
2672 jack_indev_deps="jack_jack_h sem_timedwait"
2673 lavfi_indev_deps="avfilter"
2674 libcdio_indev_deps="libcdio"
2675 libdc1394_indev_deps="libdc1394"
2676 libv4l2_indev_deps="libv4l2"
2677 openal_indev_deps="openal"
2678 opengl_outdev_deps="opengl"
2679 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2680 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2681 pulse_indev_deps="libpulse"
2682 pulse_outdev_deps="libpulse"
2683 qtkit_indev_extralibs="-framework QTKit -framework Foundation -framework QuartzCore"
2684 qtkit_indev_select="qtkit"
2685 sdl_outdev_deps="sdl"
2686 sndio_indev_deps="sndio_h"
2687 sndio_outdev_deps="sndio_h"
2688 v4l_indev_deps="linux_videodev_h"
2689 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2690 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
2691 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2692 vfwcap_indev_extralibs="-lavicap32"
2693 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
2694 xv_outdev_extralibs="-lXv -lX11 -lXext"
2695 x11grab_indev_deps="x11grab"
2696 x11grab_xcb_indev_deps="libxcb"
2699 async_protocol_deps="threads"
2700 bluray_protocol_deps="libbluray"
2701 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2702 ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"
2703 ffrtmpcrypt_protocol_select="tcp_protocol"
2704 ffrtmphttp_protocol_deps="!librtmp_protocol"
2705 ffrtmphttp_protocol_select="http_protocol"
2706 ftp_protocol_select="tcp_protocol"
2707 gopher_protocol_select="network"
2708 http_protocol_select="tcp_protocol"
2709 httpproxy_protocol_select="tcp_protocol"
2710 https_protocol_select="tls_protocol"
2711 icecast_protocol_select="http_protocol"
2712 librtmp_protocol_deps="librtmp"
2713 librtmpe_protocol_deps="librtmp"
2714 librtmps_protocol_deps="librtmp"
2715 librtmpt_protocol_deps="librtmp"
2716 librtmpte_protocol_deps="librtmp"
2717 libsmbclient_protocol_deps="libsmbclient gplv3"
2718 libssh_protocol_deps="libssh"
2719 mmsh_protocol_select="http_protocol"
2720 mmst_protocol_select="network"
2721 rtmp_protocol_deps="!librtmp_protocol"
2722 rtmp_protocol_select="tcp_protocol"
2723 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2724 rtmps_protocol_deps="!librtmp_protocol"
2725 rtmps_protocol_select="tls_protocol"
2726 rtmpt_protocol_select="ffrtmphttp_protocol"
2727 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2728 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2729 rtp_protocol_select="udp_protocol"
2730 sctp_protocol_deps="struct_sctp_event_subscribe"
2731 sctp_protocol_select="network"
2732 srtp_protocol_select="rtp_protocol"
2733 tcp_protocol_select="network"
2734 tls_gnutls_protocol_deps="gnutls !tls_securetransport_protocol"
2735 tls_gnutls_protocol_select="tcp_protocol"
2736 tls_openssl_protocol_deps="openssl !tls_securetransport_protocol !tls_gnutls_protocol"
2737 tls_openssl_protocol_select="tcp_protocol"
2738 tls_securetransport_protocol_deps="securetransport"
2739 tls_securetransport_protocol_select="tcp_protocol"
2740 tls_protocol_deps_any="tls_securetransport_protocol tls_gnutls_protocol tls_openssl_protocol"
2741 udp_protocol_select="network"
2742 udplite_protocol_select="network"
2743 unix_protocol_deps="sys_un_h"
2744 unix_protocol_select="network"
2747 amovie_filter_deps="avcodec avformat"
2748 aresample_filter_deps="swresample"
2749 ass_filter_deps="libass"
2750 asyncts_filter_deps="avresample"
2751 atempo_filter_deps="avcodec"
2752 atempo_filter_select="rdft"
2753 azmq_filter_deps="libzmq"
2754 blackframe_filter_deps="gpl"
2755 boxblur_filter_deps="gpl"
2756 bs2b_filter_deps="libbs2b"
2757 colormatrix_filter_deps="gpl"
2758 cover_rect_filter_deps="avcodec avformat gpl"
2759 cropdetect_filter_deps="gpl"
2760 delogo_filter_deps="gpl"
2761 deshake_filter_select="pixelutils"
2762 drawtext_filter_deps="libfreetype"
2763 dynaudnorm_filter_deps="copysign erf"
2764 ebur128_filter_deps="gpl"
2765 eq_filter_deps="gpl"
2766 fftfilt_filter_deps="avcodec"
2767 fftfilt_filter_select="rdft"
2768 flite_filter_deps="libflite"
2769 find_rect_filter_deps="avcodec avformat gpl"
2770 frei0r_filter_deps="frei0r dlopen"
2771 frei0r_src_filter_deps="frei0r dlopen"
2772 fspp_filter_deps="gpl"
2773 geq_filter_deps="gpl"
2774 histeq_filter_deps="gpl"
2775 hqdn3d_filter_deps="gpl"
2776 interlace_filter_deps="gpl"
2777 kerndeint_filter_deps="gpl"
2778 ladspa_filter_deps="ladspa dlopen"
2779 mcdeint_filter_deps="avcodec gpl"
2780 movie_filter_deps="avcodec avformat"
2781 mpdecimate_filter_deps="gpl"
2782 mpdecimate_filter_select="pixelutils"
2783 mptestsrc_filter_deps="gpl"
2784 negate_filter_deps="lut_filter"
2785 perspective_filter_deps="gpl"
2786 pp7_filter_deps="gpl"
2787 ocr_filter_deps="libtesseract"
2788 ocv_filter_deps="libopencv"
2789 owdenoise_filter_deps="gpl"
2790 pan_filter_deps="swresample"
2791 phase_filter_deps="gpl"
2792 pp_filter_deps="gpl postproc"
2793 pullup_filter_deps="gpl"
2794 removelogo_filter_deps="avcodec avformat swscale"
2795 repeatfields_filter_deps="gpl"
2796 resample_filter_deps="avresample"
2797 rubberband_filter_deps="librubberband"
2798 sab_filter_deps="gpl swscale"
2799 scale_filter_deps="swscale"
2800 scale2ref_filter_deps="swscale"
2801 select_filter_select="pixelutils"
2802 smartblur_filter_deps="gpl swscale"
2803 showcqt_filter_deps="avcodec"
2804 showcqt_filter_select="fft"
2805 showfreqs_filter_deps="avcodec"
2806 showfreqs_filter_select="fft"
2807 showspectrum_filter_deps="avcodec"
2808 showspectrum_filter_select="rdft"
2809 spp_filter_deps="gpl avcodec"
2810 spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"
2811 stereo3d_filter_deps="gpl"
2812 subtitles_filter_deps="avformat avcodec libass"
2813 super2xsai_filter_deps="gpl"
2814 tinterlace_filter_deps="gpl"
2815 vidstabdetect_filter_deps="libvidstab"
2816 vidstabtransform_filter_deps="libvidstab"
2817 pixfmts_super2xsai_test_deps="super2xsai_filter"
2818 tinterlace_merge_test_deps="tinterlace_filter"
2819 tinterlace_pad_test_deps="tinterlace_filter"
2820 uspp_filter_deps="gpl avcodec"
2821 zmq_filter_deps="libzmq"
2822 zoompan_filter_deps="swscale"
2825 avio_reading="avformat avcodec avutil"
2826 avio_dir_cmd="avformat avutil"
2827 avcodec_example_deps="avcodec avutil"
2828 decoding_encoding_example_deps="avcodec avformat avutil"
2829 demuxing_decoding_example_deps="avcodec avformat avutil"
2830 extract_mvs_example_deps="avcodec avformat avutil"
2831 filter_audio_example_deps="avfilter avutil"
2832 filtering_audio_example_deps="avfilter avcodec avformat avutil"
2833 filtering_video_example_deps="avfilter avcodec avformat avutil"
2834 metadata_example_deps="avformat avutil"
2835 muxing_example_deps="avcodec avformat avutil swscale"
2836 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder vaapi_x11"
2837 remuxing_example_deps="avcodec avformat avutil"
2838 resampling_audio_example_deps="avutil swresample"
2839 scaling_video_example_deps="avutil swscale"
2840 transcode_aac_example_deps="avcodec avformat swresample"
2841 transcoding_example_deps="avfilter avcodec avformat avutil"
2843 # libraries, in linking order
2844 avcodec_deps="avutil"
2845 avdevice_deps="avformat avcodec avutil"
2846 avfilter_deps="avutil"
2847 avformat_deps="avcodec avutil"
2848 avresample_deps="avutil"
2849 postproc_deps="avutil gpl"
2850 swresample_deps="avutil"
2851 swscale_deps="avutil"
2854 ffmpeg_deps="avcodec avfilter avformat swresample"
2855 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
2857 setpts_filter trim_filter"
2858 ffplay_deps="avcodec avformat swscale swresample sdl"
2859 ffplay_libs='$sdl_libs'
2860 ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"
2861 ffprobe_deps="avcodec avformat"
2862 ffserver_deps="avformat fork sarestart"
2863 ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
2866 podpages_deps="perl"
2867 manpages_deps="perl pod2man"
2868 htmlpages_deps="perl"
2869 htmlpages_deps_any="makeinfo_html texi2html"
2870 txtpages_deps="perl makeinfo"
2871 doc_deps_any="manpages htmlpages podpages txtpages"
2873 # default parameters
2875 logfile="config.log"
2877 # installation paths
2878 prefix_default="/usr/local"
2879 bindir_default='${prefix}/bin'
2880 datadir_default='${prefix}/share/ffmpeg'
2881 docdir_default='${prefix}/share/doc/ffmpeg'
2882 incdir_default='${prefix}/include'
2883 libdir_default='${prefix}/lib'
2884 mandir_default='${prefix}/share/man'
2890 host_cc_default="gcc"
2892 doxygen_default="doxygen"
2897 pkg_config_default=pkg-config
2898 ranlib_default="ranlib"
2899 strip_default="strip"
2900 yasmexe_default="yasm"
2901 windres_default="windres"
2904 target_os_default=$(tolower $(uname -s))
2905 host_os=$target_os_default
2908 if test "$target_os_default" = aix; then
2909 arch_default=$(uname -p)
2910 strip_default="strip -X32_64"
2912 arch_default=$(uname -m)
2917 # configurable options
2918 enable $PROGRAM_LIST
2919 enable $DOCUMENT_LIST
2920 enable $EXAMPLE_LIST
2921 enable $(filter_out avresample $LIBRARY_LIST)
2927 enable faan faandct faanidct
2928 enable optimizations
2929 enable runtime_cpudetect
2930 enable safe_bitstream_reader
2932 enable swscale_alpha
2933 enable valgrind_backtrace
2935 sws_max_filter_size_default=256
2936 set_default sws_max_filter_size
2938 # Enable hwaccels by default.
2939 enable d3d11va dxva2 vaapi vda vdpau videotoolbox xvmc
2943 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2946 FULLNAME='$(NAME)$(BUILDSUF)'
2947 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2950 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2951 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2952 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2953 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2954 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2955 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2977 host_cflags_filter=echo
2978 host_ldflags_filter=echo
2980 target_path='$(CURDIR)'
2982 # since the object filename is not given with the -MM flag, the compiler
2983 # is only able to print the basename, and we must add the path ourselves
2984 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2988 if test -f configure; then
2991 source_path=$(cd $(dirname "$0"); pwd)
2992 case "$source_path" in
2993 *[[:blank:]]*) die "Out of tree builds are impossible with whitespace in source path." ;;
2995 test -e "$source_path/config.h" &&
2996 die "Out of tree builds are impossible with config.h in source dir."
3003 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
3009 file=$source_path/$3
3010 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
3013 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
3014 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
3015 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
3016 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
3017 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
3018 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
3019 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
3020 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
3021 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
3022 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
3023 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
3039 for n in $COMPONENT_LIST; do
3040 v=$(toupper ${n%s})_LIST
3042 eval ${n}_if_any="\$$v"
3045 enable $ARCH_EXT_LIST
3048 echo "Unknown option \"$1\"."
3049 echo "See $0 --help for available options."
3053 print_in_columns() {
3054 cols=$(expr $ncols / 24)
3055 cat | tr ' ' '\n' | sort | pr -r "-$cols" -w $ncols -t
3061 echo $* | sed s/$suffix//g | print_in_columns
3073 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
3074 echo "prob ${prob:-0.5}"
3082 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
3083 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
3092 --extra-ldexeflags=*)
3093 add_ldexeflags $optval
3095 --extra-ldlibflags=*)
3096 add_ldlibflags $optval
3099 add_extralibs $optval
3102 disable $INDEV_LIST $OUTDEV_LIST
3105 debuglevel="$optval"
3108 disable $PROGRAM_LIST
3110 --disable-everything)
3111 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3114 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3115 disable $LIBRARY_LIST $PROGRAM_LIST doc
3117 --enable-random|--disable-random)
3118 action=${opt%%-random}
3119 do_random ${action#--} $COMPONENT_LIST
3121 --enable-random=*|--disable-random=*)
3122 action=${opt%%-random=*}
3123 do_random ${action#--} $optval
3125 --enable-*=*|--disable-*=*)
3126 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
3127 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
3128 eval list=\$$(toupper $thing)_LIST
3129 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
3130 list=$(filter "$name" $list)
3131 [ "$list" = "" ] && warn "Option $opt did not match anything"
3134 --enable-?*|--disable-?*)
3135 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
3136 if is_in $option $COMPONENT_LIST; then
3137 test $action = disable && action=unset
3138 eval $action \$$(toupper ${option%s})_LIST
3139 elif is_in $option $CMDLINE_SELECT; then
3146 NAME="${opt#--list-}"
3147 is_in $NAME $COMPONENT_LIST || die_unknown $opt
3149 eval show_list $NAME \$$(toupper $NAME)_LIST
3151 --help|-h) show_help
3153 --fatal-warnings) enable fatal_warnings
3156 optname="${opt%%=*}"
3157 optname="${optname#--}"
3158 optname=$(echo "$optname" | sed 's/-/_/g')
3159 if is_in $optname $CMDLINE_SET; then
3160 eval $optname='$optval'
3161 elif is_in $optname $CMDLINE_APPEND; then
3162 append $optname "$optval"
3174 disabled logging && logfile=/dev/null
3176 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
3179 test -n "$valgrind" && toolchain="valgrind-memcheck"
3181 case "$toolchain" in
3184 add_cflags -fsanitize=address
3185 add_ldflags -fsanitize=address
3189 add_cflags -fsanitize=thread -pie
3190 add_ldflags -fsanitize=thread -pie
3194 add_cflags -fsanitize=undefined
3195 add_ldflags -fsanitize=undefined
3199 add_cflags -fsanitize=address
3200 add_ldflags -fsanitize=address
3204 add_cflags -fsanitize=thread -pie -fPIC
3205 add_ldflags -fsanitize=thread -pie -fPIC
3209 add_cflags -fsanitize=undefined
3210 add_ldflags -fsanitize=undefined
3213 target_exec_default=${valgrind:-"valgrind"}
3214 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"
3217 target_exec_default=${valgrind:-"valgrind"}
3218 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
3221 # Check whether the current MSVC version needs the C99 converter.
3222 # From MSVC 2013 (compiler major version 18) onwards, it does actually
3223 # support enough of C99 to build ffmpeg. Default to the new
3224 # behaviour if the regexp was unable to match anything, since this
3225 # successfully parses the version number of existing supported
3226 # versions that require the converter (MSVC 2010 and 2012).
3227 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
3228 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
3231 cc_default="c99wrap cl"
3233 ld_default="$source_path/compat/windows/mslink"
3234 nm_default="dumpbin -symbols"
3241 target_os_default="win32"
3242 # Use a relative path for TMPDIR. This makes sure all the
3243 # ffconf temp files are written with a relative path, avoiding
3244 # issues with msys/win32 path conversion for MSVC parameters
3245 # such as -Fo<file> or -out:<file>.
3251 nm_default="dumpbin -symbols"
3253 target_os_default="win32"
3257 add_cflags -fprofile-arcs -ftest-coverage
3258 add_ldflags -fprofile-arcs -ftest-coverage
3261 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
3262 add_cflags -fno-strict-overflow -fstack-protector-all
3263 add_ldflags -Wl,-z,relro -Wl,-z,now
3266 die "Unknown toolchain $toolchain"
3270 test -n "$cross_prefix" && enable cross_compile
3272 if enabled cross_compile; then
3273 test -n "$arch" && test -n "$target_os" ||
3274 die "Must specify target arch and OS when cross-compiling"
3277 ar_default="${cross_prefix}${ar_default}"
3278 cc_default="${cross_prefix}${cc_default}"
3279 cxx_default="${cross_prefix}${cxx_default}"
3280 nm_default="${cross_prefix}${nm_default}"
3281 pkg_config_default="${cross_prefix}${pkg_config_default}"
3282 if ${cross_prefix}${ranlib_default} 2>&1 | grep -q "\-D "; then
3283 ranlib_default="${cross_prefix}${ranlib_default} -D"
3285 ranlib_default="${cross_prefix}${ranlib_default}"
3287 strip_default="${cross_prefix}${strip_default}"
3288 windres_default="${cross_prefix}${windres_default}"
3290 sysinclude_default="${sysroot}/usr/include"
3292 set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \
3293 target_exec target_os yasmexe
3294 enabled cross_compile || host_cc_default=$cc
3297 pkg_config_fail_message=""
3298 if ! $pkg_config --version >/dev/null 2>&1; then
3299 warn "$pkg_config not found, library detection may fail."
3301 elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then
3302 pkg_config_fail_message="
3303 Note: When building a static binary, add --pkg-config-flags=\"--static\"."
3306 if test $doxygen != $doxygen_default && \
3307 ! $doxygen --version >/dev/null 2>&1; then
3308 warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."
3313 mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
3317 EXESUF=$(exesuf $target_os)
3318 HOSTEXESUF=$(exesuf $host_os)
3320 # set temporary file name
3321 : ${TMPDIR:=$TEMPDIR}
3325 if [ -n "$tempprefix" ] ; then
3327 echo $tempprefix.${HOSTNAME}.${UID}
3329 elif ! check_cmd mktemp -u XXXXXX; then
3330 # simple replacement for missing mktemp
3331 # NOT SAFE FOR GENERAL USE
3333 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
3338 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
3339 (set -C; exec > $tmp) 2>/dev/null ||
3340 die "Unable to create temporary file in $TMPDIR."
3341 append TMPFILES $tmp
3345 trap 'rm -f -- $TMPFILES' EXIT
3350 tmpfile TMPE $EXESUF
3362 # make sure we can execute files in $TMPDIR
3363 cat > $TMPSH 2>> $logfile <<EOF
3366 chmod +x $TMPSH >> $logfile 2>&1
3367 if ! $TMPSH >> $logfile 2>&1; then
3369 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
3370 variable to another directory and make sure that it is not mounted noexec.
3372 die "Sanity test failed."
3378 # Filter out MSVC cl.exe options from cflags that shouldn't
3379 # be passed to gas-preprocessor
3389 -std=c99) echo -c99 ;;
3390 -mcpu=*) echo -arch ${flag#*=} ;;
3391 -mieee) echo -ieee ;;
3392 -O*|-fast) echo $flag ;;
3393 -fno-math-errno) echo -assume nomath_errno ;;
3395 -Wall) echo -msg_enable level2 ;;
3396 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
3397 -Wl,*) echo $flag ;;
3407 -Wno-switch) echo -Wno-switch-enum ;;
3408 -Wno-format-zero-length) ;;
3409 -Wdisabled-optimization) ;;
3410 -Wno-pointer-sign) echo -Wno-other ;;
3416 msvc_common_flags(){
3419 # In addition to specifying certain flags under the compiler
3420 # specific filters, they must be specified here as well or else the
3421 # generic catch all at the bottom will print the original flag.
3425 -fomit-frame-pointer) ;;
3429 -fno-signed-zeros) ;;
3433 -lz) echo zlib.lib ;;
3434 -lavifil32) echo vfw32.lib ;;
3435 -lavicap32) echo vfw32.lib user32.lib ;;
3436 -l*) echo ${flag#-l}.lib ;;
3437 -LARGEADDRESSAWARE) echo $flag ;;
3438 -L*) echo -libpath:${flag#-L} ;;
3445 msvc_common_flags "$@"
3448 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
3449 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
3450 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
3452 -wd4273 -wd4554 -wd4701 ;;
3458 msvc_common_flags "$@"
3461 # Despite what Intel's documentation says -Wall, which is supported
3462 # on Windows, does enable remarks so disable them here.
3463 -Wall) echo $flag -Qdiag-disable:remark ;;
3464 -std=c99) echo -Qstd=c99 ;;
3482 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
3483 -fomit-frame-pointer) echo -Mnoframe ;;
3494 case "${flag#*=}" in
3495 native) echo -xtarget=native ;;
3496 v9|niagara) echo -xarch=sparc ;;
3497 ultrasparc) echo -xarch=sparcvis ;;
3498 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
3499 i586|pentium) echo -xchip=pentium ;;
3500 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
3501 pentium3*|c3-2) echo -xtarget=pentium3 ;;
3502 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
3503 pentium4*) echo -xtarget=pentium4 ;;
3504 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
3505 *-sse3) echo -xarch=sse3 ;;
3506 core2) echo -xarch=ssse3 -xchip=core2 ;;
3507 bonnell) echo -xarch=ssse3 ;;
3508 corei7|nehalem) echo -xtarget=nehalem ;;
3509 westmere) echo -xtarget=westmere ;;
3510 silvermont) echo -xarch=sse4_2 ;;
3511 corei7-avx|sandybridge) echo -xtarget=sandybridge ;;
3512 core-avx*|ivybridge|haswell|broadwell)
3514 amdfam10|barcelona) echo -xtarget=barcelona ;;
3515 btver1) echo -xarch=amdsse4a ;;
3516 btver2|bdver*) echo -xarch=avx ;;
3517 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
3518 k8|opteron|athlon64|athlon-fx)
3519 echo -xarch=sse2a ;;
3520 athlon*) echo -xarch=pentium_proa ;;
3523 -std=c99) echo -xc99 ;;
3524 -fomit-frame-pointer) echo -xregs=frameptr ;;
3525 -fPIC) echo -KPIC -xcode=pic32 ;;
3526 -W*,*) echo $flag ;;
3527 -f*-*|-W*|-mimpure-text) ;;
3538 case "${flag#*=}" in
3539 armv7-a|cortex-a*) echo -mv=7a8 ;;
3540 armv7-r|cortex-r*) echo -mv=7r4 ;;
3541 armv7-m|cortex-m*) echo -mv=7m3 ;;
3542 armv6*|arm11*) echo -mv=6 ;;
3543 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
3545 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
3548 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
3549 -mfpu=vfp) echo --float_support=vfpv2 ;;
3550 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
3551 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
3552 -msoft-float) echo --float_support=vfplib ;;
3553 -O[0-3]|-mf=*) echo $flag ;;
3555 -pds=*) echo $flag ;;
3556 -D*|-I*) echo $flag ;;
3557 --gcc|--abi=*) echo $flag ;;
3568 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
3569 unset _ld_o _ldflags _ld_lib _ld_path
3570 unset _depflags _DEPCMD _DEPFLAGS
3573 if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
3574 true # no-op to avoid reading stdin in following checks
3575 elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
3577 gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')
3578 _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"
3579 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3582 elif $_cc -v 2>&1 | grep -qi ^gcc; then
3584 gcc_version=$($_cc --version | head -n1)
3585 gcc_basever=$($_cc -dumpversion)
3586 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
3587 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
3588 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
3589 case $gcc_basever in
3590 2*) _depflags='-MMD -MF $(@:.o=.d) -MT $@' ;;
3592 if [ "$first" = true ]; then
3593 case $gcc_basever in
3595 warn "gcc 4.2 is outdated and may miscompile FFmpeg. Please use a newer compiler." ;;
3600 elif $_cc --version 2>/dev/null | grep -q ^icc; then
3602 _ident=$($_cc --version | head -n1)
3607 _flags_filter=icc_flags
3608 elif $_cc -v 2>&1 | grep -q xlc; then
3610 _ident=$($_cc -qversion 2>/dev/null | head -n1)
3612 _cflags_size='-O5 -qcompact'
3613 elif $_cc -V 2>/dev/null | grep -q Compaq; then
3615 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
3617 _cflags_speed='-fast'
3619 _flags_filter=ccc_flags
3620 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
3621 test -d "$sysroot" || die "No valid sysroot specified."
3623 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
3624 armcc_conf="$PWD/armcc.conf"
3625 $_cc --arm_linux_configure \
3626 --arm_linux_config_file="$armcc_conf" \
3627 --configure_sysroot="$sysroot" \
3628 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
3629 die "Error creating armcc configuration file."
3630 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
3631 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
3632 as_default="${cross_prefix}gcc"
3636 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
3638 _ident=$($_cc -version | head -n1 | tr -s ' ')
3639 _flags='--gcc --abi=eabi -me'
3642 _depflags='-ppa -ppd=$(@:.o=.d)'
3643 _cflags_speed='-O3 -mf=5'
3644 _cflags_size='-O3 -mf=2'
3645 _flags_filter=tms470_flags
3646 elif $_cc -v 2>&1 | grep -q clang; then
3648 _ident=$($_cc --version 2>/dev/null | head -n1)
3649 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3652 elif $_cc -V 2>&1 | grep -q Sun; then
3654 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
3655 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3656 _DEPFLAGS='-xM1 -xc99'
3659 _cflags_size='-O5 -xspace'
3660 _flags_filter=suncc_flags
3661 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
3663 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3664 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3667 _flags_filter='filter_out -Wdisabled-optimization'
3668 elif $_cc -v 2>&1 | grep -q Open64; then
3670 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3671 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3674 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3675 elif $_cc -V 2>&1 | grep -q Portland; then
3677 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3678 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3679 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3680 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3682 _flags_filter=pgi_flags
3683 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
3685 _ident=$($_cc | head -n1)
3686 # 4509: "This form of conditional instruction is deprecated"
3687 _flags="-nologo -ignore 4509"
3688 _flags_filter=armasm_flags
3689 elif $_cc 2>&1 | grep -q Intel; then
3691 _ident=$($_cc 2>&1 | head -n1)
3692 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3693 # Not only is O3 broken on 13.x+ but it is slower on all previous
3694 # versions (tested) as well.
3696 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3697 if $_cc 2>&1 | grep -q Linker; then
3704 _flags_filter=icl_flags
3706 _ld_path='-libpath:'
3707 # -Qdiag-error to make icl error when seeing certain unknown arguments
3708 _flags='-nologo -Qdiag-error:4044,10157'
3709 # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency
3710 # with MSVC which enables it by default.
3711 _cflags='-D_USE_MATH_DEFINES -Qms0 -Qvec- -Qsimd- -GS -fp:precise'
3713 elif $_cc -nologo- 2>&1 | grep -q Microsoft; then
3715 _ident=$($_cc 2>&1 | head -n1)
3716 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3717 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3720 if $_cc -nologo- 2>&1 | grep -q Linker; then
3727 _flags_filter=msvc_flags
3729 _ld_path='-libpath:'
3731 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS'
3733 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3735 _ident=$($_cc --version | head -n1)
3739 _flags_filter=cparser_flags
3742 eval ${pfx}_type=\$_type
3743 eval ${pfx}_ident=\$_ident
3747 eval ${1}_C=\${_cc_c-\${${1}_C}}
3748 eval ${1}_E=\${_cc_e-\${${1}_E}}
3749 eval ${1}_O=\${_cc_o-\${${1}_O}}
3751 if [ -n "$_depflags" ]; then
3752 eval ${1}_DEPFLAGS=\$_depflags
3754 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3755 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3756 eval DEP${1}FLAGS=\$_flags
3760 probe_cc cc "$cc" "true"
3761 cflags_filter=$_flags_filter
3762 cflags_speed=$_cflags_speed
3763 cflags_size=$_cflags_size
3764 cflags_noopt=$_cflags_noopt
3765 add_cflags $_flags $_cflags
3766 cc_ldflags=$_ldflags
3769 probe_cc hostcc "$host_cc"
3770 host_cflags_filter=$_flags_filter
3771 add_host_cflags $_flags $_cflags
3774 test -n "$cc_type" && enable $cc_type ||
3775 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3777 : ${as_default:=$cc}
3778 : ${dep_cc_default:=$cc}
3779 : ${ld_default:=$cc}
3780 : ${host_ld_default:=$host_cc}
3781 set_default ar as dep_cc ld host_ld windres
3784 asflags_filter=$_flags_filter
3785 add_asflags $_flags $_cflags
3789 ldflags_filter=$_flags_filter
3790 add_ldflags $_flags $_ldflags
3791 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3793 LD_LIB=${_ld_lib-$LD_LIB}
3794 LD_PATH=${_ld_path-$LD_PATH}
3796 probe_cc hostld "$host_ld"
3797 host_ldflags_filter=$_flags_filter
3798 add_host_ldflags $_flags $_ldflags
3799 HOSTLD_O=${_ld_o-$HOSTLD_O}
3801 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3802 probe_cc depcc "$dep_cc"
3803 CCDEP=${_DEPCMD:-$DEPCMD}
3804 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3808 if $ar 2>&1 | grep -q Microsoft; then
3811 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3814 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3815 arflags='-Xany -r -c'
3817 elif $ar 2>&1 | grep -q "\[D\] "; then
3825 add_cflags $extra_cflags
3826 add_cxxflags $extra_cxxflags
3827 add_asflags $extra_cflags
3829 if test -n "$sysroot"; then
3832 add_cppflags --sysroot="$sysroot"
3833 add_ldflags --sysroot="$sysroot"
3834 # On Darwin --sysroot may be ignored, -isysroot always affects headers and linking
3835 add_cppflags -isysroot "$sysroot"
3836 add_ldflags -isysroot "$sysroot"
3839 add_cppflags -I"$sysinclude"
3840 add_ldflags --sysroot="$sysroot"
3845 if test "$cpu" = host; then
3846 enabled cross_compile &&
3847 die "--cpu=host makes no sense when cross-compiling."
3852 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3854 s/.*$1=\\([^ ]*\\).*/\\1/
3859 cpu=$(check_native -march || check_native -mcpu)
3863 test "${cpu:-host}" = host &&
3864 die "--cpu=host not supported with compiler $cc"
3867 # Deal with common $arch aliases
3881 "Power Macintosh"|ppc*|powerpc*)
3896 i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
3901 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3904 # Add processor-specific flags
3905 if enabled aarch64; then
3909 cpuflags="-march=$cpu"
3912 cpuflags="-mcpu=$cpu"
3916 elif enabled alpha; then
3918 cpuflags="-mcpu=$cpu"
3920 elif enabled arm; then
3923 check_cpp_condition stddef.h \
3924 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3929 if check_arm_arch 4; then echo armv4;
3930 elif check_arm_arch 4T; then echo armv4t;
3931 elif check_arm_arch 5; then echo armv5;
3932 elif check_arm_arch 5E; then echo armv5e;
3933 elif check_arm_arch 5T; then echo armv5t;
3934 elif check_arm_arch 5TE; then echo armv5te;
3935 elif check_arm_arch 5TEJ; then echo armv5te;
3936 elif check_arm_arch 6; then echo armv6;
3937 elif check_arm_arch 6J; then echo armv6j;
3938 elif check_arm_arch 6K; then echo armv6k;
3939 elif check_arm_arch 6Z; then echo armv6z;
3940 elif check_arm_arch 6ZK; then echo armv6zk;
3941 elif check_arm_arch 6T2; then echo armv6t2;
3942 elif check_arm_arch 7; then echo armv7;
3943 elif check_arm_arch 7A 7_A; then echo armv7-a;
3944 elif check_arm_arch 7S; then echo armv7-a;
3945 elif check_arm_arch 7R 7_R; then echo armv7-r;
3946 elif check_arm_arch 7M 7_M; then echo armv7-m;
3947 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
3948 elif check_arm_arch 8A 8_A; then echo armv8-a;
3952 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3956 cpuflags="-march=$cpu"
3957 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3960 cpuflags="-mcpu=$cpu"
3962 cortex-a*) subarch=armv7a ;;
3963 cortex-r*) subarch=armv7r ;;
3964 cortex-m*) enable thumb; subarch=armv7m ;;
3965 arm11*) subarch=armv6 ;;
3966 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3967 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3968 *) subarch=$(probe_arm_arch) ;;
3974 armv5t*) enable fast_clz ;;
3977 disabled fast_unaligned || enable fast_unaligned
3981 elif enabled avr32; then
3986 cpuflags="-mpart=$cpu"
3990 cpuflags="-march=$cpu"
3994 cpuflags="-mcpu=$cpu"
3998 cpuflags="-march=$cpu"
4002 elif enabled bfin; then
4004 cpuflags="-mcpu=$cpu"
4006 elif enabled mips; then
4008 cpuflags="-march=$cpu"
4033 24kef*|34kf*|1004kf*)
4055 check_cflags "-mtune=p5600"
4063 check_cflags "-mtune=i6400 -mabi=64"
4064 check_ldflags "-mabi=64"
4074 enable local_aligned_8 local_aligned_16 local_aligned_32
4075 enable simd_align_16
4079 enable fast_unaligned
4080 disable aligned_stack
4083 cpuflags="-march=loongson3a -mhard-float -fno-expensive-optimizations"
4086 cpuflags="-march=loongson2e -mhard-float -fno-expensive-optimizations"
4089 cpuflags="-march=loongson2f -mhard-float -fno-expensive-optimizations"
4100 elif enabled ppc; then
4104 case $(tolower $cpu) in
4105 601|ppc601|powerpc601)
4106 cpuflags="-mcpu=601"
4109 603*|ppc603*|powerpc603*)
4110 cpuflags="-mcpu=603"
4113 604*|ppc604*|powerpc604*)
4114 cpuflags="-mcpu=604"
4117 g3|75*|ppc75*|powerpc75*)
4118 cpuflags="-mcpu=750"
4121 g4|745*|ppc745*|powerpc745*)
4122 cpuflags="-mcpu=7450"
4125 74*|ppc74*|powerpc74*)
4126 cpuflags="-mcpu=7400"
4129 g5|970|ppc970|powerpc970)
4130 cpuflags="-mcpu=970"
4134 cpuflags="-mcpu=$cpu"
4138 cpuflags="-mcpu=$cpu"
4141 cpuflags="-mcpu=cell"
4146 cpuflags="-mcpu=e500mc"
4150 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
4155 cpuflags="-mcpu=8540 -mhard-float"
4161 elif enabled sparc; then
4164 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
4165 cpuflags="-mcpu=$cpu"
4167 ultrasparc*|niagara[234])
4168 cpuflags="-mcpu=$cpu"
4172 elif enabled x86; then
4176 cpuflags="-march=$cpu"
4180 # targets that do NOT support nopl and conditional mov (cmov)
4181 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
4182 cpuflags="-march=$cpu"
4185 # targets that do support nopl and conditional mov (cmov)
4186 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\
4187 |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|amdfam10|barcelona|b[dt]ver*)
4188 cpuflags="-march=$cpu"
4192 # targets that do support conditional mov but on which it's slow
4193 pentium4|pentium4m|prescott|nocona)
4194 cpuflags="-march=$cpu"
4202 if [ "$cpu" != generic ]; then
4203 add_cflags $cpuflags
4204 add_asflags $cpuflags
4205 test "$cc_type" = "$ld_type" && add_ldflags $cpuflags
4208 # compiler sanity check
4210 int main(void){ return 0; }
4212 if test "$?" != 0; then
4213 echo "$cc is unable to create an executable file."
4214 if test -z "$cross_prefix" && ! enabled cross_compile ; then
4215 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
4216 echo "Only do this if you know what cross compiling means."
4218 die "C compiler test failed."
4221 add_cppflags -D_ISOC99_SOURCE
4222 add_cxxflags -D__STDC_CONSTANT_MACROS
4223 check_cflags -std=c99
4224 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
4227 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
4231 add_host_cppflags -D_ISOC99_SOURCE
4232 check_host_cflags -std=c99
4233 check_host_cflags -Wall
4234 check_host_cflags -O3
4240 check_code cc "" "int test[2*($expr) - 1]" &&
4241 subarch=$arch64 || subarch=$arch32
4249 check_64bit mips mips64 '_MIPS_SIM > 1'
4253 check_64bit parisc parisc64 'sizeof(void *) > 4'
4257 check_64bit ppc ppc64 'sizeof(void *) > 4'
4261 check_64bit s390 s390x 'sizeof(void *) > 4'
4265 check_64bit sparc sparc64 'sizeof(void *) > 4'
4269 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
4270 # Treat x32 as x64 for now. Note it also needs spic=$shared
4271 test "$subarch" = "x86_32" && check_cpp_condition stddef.h 'defined(__x86_64__)' &&
4273 if test "$subarch" = "x86_64"; then
4278 check_cc <<EOF && subarch="ppc64"
4279 int test[(int)sizeof(char*) - 7];
4285 enabled spic && enable_weak pic
4291 add_cppflags '-I\$(SRC_PATH)/compat/aix'
4292 enabled shared && add_ldflags -Wl,-brtl
4296 enable section_data_rel_ro
4297 SLIB_INSTALL_NAME='$(SLIBNAME)'
4299 # soname not set on purpose
4303 prefix_default="/boot/common"
4304 network_extralibs="-lnetwork"
4308 SHFLAGS='-shared -Wl,-h,$$(@F)'
4309 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
4310 network_extralibs="-lsocket -lnsl"
4311 add_cppflags -D__EXTENSIONS__
4312 # When using suncc to build, the Solaris linker will mark
4313 # an executable with each instruction set encountered by
4314 # the Solaris assembler. As our libraries contain their own
4315 # guards for processor-specific code, instead suppress
4316 # generation of the HWCAPS ELF section on Solaris x86 only.
4317 enabled_all suncc x86 &&
4318 echo "hwcap_1 = OVERRIDE;" > mapfile &&
4319 add_ldflags -Wl,-M,mapfile
4320 nm_default='nm -P -g'
4324 oss_indev_extralibs="-lossaudio"
4325 oss_outdev_extralibs="-lossaudio"
4326 enabled gcc || check_ldflags -Wl,-zmuldefs
4331 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
4333 oss_indev_extralibs="-lossaudio"
4334 oss_outdev_extralibs="-lossaudio"
4342 add_extralibs -lpoll -lgnugetopt
4346 enabled ppc && add_asflags -force_cpusubtype_ALL
4347 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
4348 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
4350 add_ldflags -Wl,-dynamic,-search_paths_first
4352 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
4353 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
4355 enabled x86_64 && objformat="macho64"
4356 enabled_any pic shared x86_64 ||
4357 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
4360 if test $target_os = "mingw32ce"; then
4365 decklink_outdev_extralibs="$decklink_outdev_extralibs -lole32 -loleaut32"
4366 decklink_indev_extralibs="$decklink_indev_extralibs -lole32 -loleaut32"
4368 if enabled x86_64; then
4369 LIBTARGET="i386:x86-64"
4370 elif enabled arm; then
4373 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
4374 enabled x86_32 && check_ldflags -Wl,--large-address-aware
4375 shlibdir_default="$bindir_default"
4378 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4379 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4380 dlltool="${cross_prefix}dlltool"
4381 if check_cmd lib.exe -list; then
4382 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4383 if enabled x86_64; then
4386 elif check_cmd $dlltool --version; then
4387 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
4389 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4391 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4392 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4393 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--disable-auto-image-base'
4397 check_ldflags -Wl,--nxcompat,--dynamicbase
4398 # Lets work around some stupidity in binutils.
4399 # ld will strip relocations from executables even though we need them
4400 # for dynamicbase (ASLR). Using -pie does retain the reloc section
4401 # however ld then forgets what the entry point should be (oops) so we
4402 # have to manually (re)set it.
4403 if enabled x86_32; then
4404 add_ldexeflags -Wl,--pic-executable,-e,_mainCRTStartup
4405 elif enabled x86_64; then
4406 add_ldexeflags -Wl,--pic-executable,-e,mainCRTStartup
4407 check_ldflags -Wl,--high-entropy-va # binutils 2.25
4408 # Set image base >4GB for extra entropy with HEASLR
4409 add_ldexeflags -Wl,--image-base,0x140000000
4410 append SHFLAGS -Wl,--image-base,0x180000000
4415 if enabled shared; then
4416 # Link to the import library instead of the normal static library
4419 # Cannot build both shared and static libs with MSVC or icl.
4422 enabled x86_32 && check_ldflags -LARGEADDRESSAWARE
4423 shlibdir_default="$bindir_default"
4426 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4427 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4428 SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
4429 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4431 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4432 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4433 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4440 shlibdir_default="$bindir_default"
4443 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4444 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4445 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4447 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
4448 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
4451 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
4453 *-dos|freedos|opendos)
4454 network_extralibs="-lsocket"
4457 add_cppflags -U__STRICT_ANSI__
4461 enable section_data_rel_ro
4465 ranlib="echo ignoring ranlib"
4471 add_cppflags -D_GNU_SOURCE
4472 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
4473 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
4477 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
4478 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
4479 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
4480 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
4481 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
4482 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
4483 emxexp $(OBJS) >> $(SUBDIR)$(NAME).def'
4484 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
4485 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
4486 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
4488 enable_weak os2threads
4491 add_cppflags -D_BSD_SOURCE
4496 add_cppflags -D_QNX_SOURCE
4497 network_extralibs="-lsocket"
4502 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
4503 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
4504 add_ldflags -Wl,--target1-abs,--no-undefined \
4505 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
4506 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
4507 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
4508 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
4509 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
4512 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
4517 add_cppflags -D_C99_SNPRINTF_EXTENSION \
4518 -D_REENTRANT_SOURCE \
4519 -D_RESEARCH_SOURCE \
4522 add_compat strtod.o strtod=avpriv_strtod
4523 network_extralibs='-lbsd'
4524 exeobjs=compat/plan9/main.o
4531 die "Unknown OS '$target_os'."
4535 # determine libc flavour
4540 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
4541 if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
4542 eval ${pfx}libc_type=uclibc
4543 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4544 elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then
4545 eval ${pfx}libc_type=glibc
4546 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4547 # MinGW headers can be installed on Cygwin, so check for newlib first.
4548 elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
4549 eval ${pfx}libc_type=newlib
4550 add_${pfx}cppflags -U__STRICT_ANSI__
4551 # MinGW64 is backwards compatible with MinGW32, so check for it first.
4552 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
4553 eval ${pfx}libc_type=mingw64
4554 if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then
4555 add_compat msvcrt/snprintf.o
4556 add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
4558 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4559 eval test \$${pfx_no_}cc_type = "gcc" &&
4560 add_${pfx}cppflags -D__printf__=__gnu_printf__
4561 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" ||
4562 check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
4563 eval ${pfx}libc_type=mingw32
4564 check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
4565 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
4566 die "ERROR: MinGW32 runtime version must be >= 3.15."
4567 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4568 eval test \$${pfx_no_}cc_type = "gcc" &&
4569 add_${pfx}cppflags -D__printf__=__gnu_printf__
4570 elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
4571 eval ${pfx}libc_type=msvcrt
4572 if check_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then
4573 if [ "$pfx" = host_ ]; then
4574 add_host_cppflags -Dsnprintf=_snprintf
4576 add_compat strtod.o strtod=avpriv_strtod
4577 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
4578 _snprintf=avpriv_snprintf \
4579 vsnprintf=avpriv_vsnprintf
4582 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
4583 # 0x601 by default unless something else is set by the user.
4584 # This can easily lead to us detecting functions only present
4585 # in such new versions and producing binaries requiring windows 7.0.
4586 # Therefore explicitly set the default to XP unless the user has
4587 # set something else on the command line.
4588 # Don't do this if WINAPI_FAMILY is set and is set to a non-desktop
4589 # family. For these cases, configure is free to use any functions
4590 # found in the SDK headers by default. (Alternatively, we could force
4591 # _WIN32_WINNT to 0x0602 in that case.)
4592 check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||
4593 { check_${pfx}cpp <<EOF && add_${pfx}cppflags -D_WIN32_WINNT=0x0502; }
4594 #ifdef WINAPI_FAMILY
4595 #include <winapifamily.h>
4596 #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
4601 elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
4602 eval ${pfx}libc_type=klibc
4603 elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then
4604 eval ${pfx}libc_type=bionic
4605 elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then
4606 eval ${pfx}libc_type=solaris
4607 add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
4609 check_${pfx}cc <<EOF
4611 void *v = localtime_r;
4613 test "$?" != 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
4615 void *v = localtime_r;
4621 test -n "$libc_type" && enable libc_$libc_type
4623 test -n "$host_libc_type" && enable host_libc_$host_libc_type
4627 add_compat strtod.o strtod=avpriv_strtod
4631 # hacks for compiler/libc/os combinations
4633 if enabled_all tms470 libc_glibc; then
4634 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
4635 add_cppflags -D__USER_LABEL_PREFIX__=
4636 add_cppflags -D__builtin_memset=memset
4637 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
4638 add_cflags -pds=48 # incompatible redefinition of macro
4641 if enabled_all ccc libc_glibc; then
4642 add_ldflags -Wl,-z,now # calls to libots crash without this
4645 check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||
4646 add_cppflags '-I\$(SRC_PATH)/compat/float'
4649 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
4652 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
4654 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
4657 : ${shlibdir_default:="$libdir"}
4658 : ${pkgconfigdir_default:="$libdir/pkgconfig"}
4660 set_default $PATHS_LIST
4663 # we need to build at least one lib type
4664 if ! enabled_any static shared; then
4666 At least one library type must be built.
4667 Specify --enable-static to build the static libraries or --enable-shared to
4668 build the shared libraries as well. To only build the shared libraries specify
4669 --disable-static in addition to --enable-shared.
4674 die_license_disabled() {
4675 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
4678 die_license_disabled_gpl() {
4679 enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }
4682 die_license_disabled gpl frei0r
4683 die_license_disabled gpl libcdio
4684 die_license_disabled gpl librubberband
4685 die_license_disabled gpl libsmbclient
4686 die_license_disabled gpl libutvideo
4687 die_license_disabled gpl libvidstab
4688 die_license_disabled gpl libx264
4689 die_license_disabled gpl libx265
4690 die_license_disabled gpl libxavs
4691 die_license_disabled gpl libxvid
4692 die_license_disabled gpl libzvbi
4693 die_license_disabled gpl x11grab
4695 die_license_disabled nonfree libaacplus
4696 die_license_disabled nonfree libfaac
4697 die_license_disabled nonfree nvenc
4698 enabled gpl && die_license_disabled_gpl nonfree libfdk_aac
4699 enabled gpl && die_license_disabled_gpl nonfree openssl
4701 die_license_disabled version3 libopencore_amrnb
4702 die_license_disabled version3 libopencore_amrwb
4703 die_license_disabled version3 libsmbclient
4704 die_license_disabled version3 libvo_aacenc
4705 die_license_disabled version3 libvo_amrwbenc
4707 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
4709 disabled optimizations || check_cflags -fomit-frame-pointer
4712 disabled pic && return
4715 case "$target_os" in
4725 enabled pic && enable_weak_pic
4727 check_cc <<EOF || die "Symbol mangling check failed."
4730 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
4731 extern_prefix=${sym%%ff_extern*}
4733 check_cc <<EOF && enable_weak inline_asm
4734 void foo(void) { __asm__ volatile ("" ::); }
4738 for restrict_keyword in restrict __restrict__ __restrict; do
4739 check_cc <<EOF && _restrict=$restrict_keyword && break
4740 void foo(char * $restrict_keyword p);
4744 check_cc <<EOF && enable pragma_deprecated
4745 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
4748 check_cc <<EOF && enable attribute_packed
4749 struct { int x; } __attribute__((packed)) x;
4752 check_cc <<EOF && enable attribute_may_alias
4753 union { int x; } __attribute__((may_alias)) x;
4756 check_cc <<EOF || die "endian test failed"
4757 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
4759 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
4761 if ! enabled ppc64 || enabled bigendian; then
4766 log "check_gas using '$as' as AS"
4767 # :vararg is used on aarch64, arm and ppc altivec
4768 check_as <<EOF || return 1
4769 .macro m n, y:vararg=0
4774 # .altmacro is only used in arm asm
4775 ! enabled arm || check_as <<EOF || return 1
4782 if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then
4784 enabled_any arm aarch64 && nogas=die
4785 enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn
4789 arm*) gaspp_as_type=armasm; as_noop=-h ;;
4790 gcc) gaspp_as_type=gas ;;
4791 *) gaspp_as_type=$as_type ;;
4794 [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"
4796 test "${as#*gas-preprocessor.pl}" != "$as" ||
4797 check_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- ${as:=$cc} $as_noop &&
4798 gas="${gas:=gas-preprocessor.pl} -arch $arch -as-type $gaspp_as_type -- ${as:=$cc}"
4800 if ! check_gas ; then
4803 $nogas "GNU assembler not found, install/update gas-preprocessor"
4806 check_as <<EOF && enable as_func
4812 check_inline_asm inline_asm_labels '"1:\n"'
4814 check_inline_asm inline_asm_nonlocal_labels '"Label:\n"'
4816 if enabled aarch64; then
4817 enabled armv8 && check_insn armv8 'prfm pldl1strm, [x0]'
4818 # internal assembler in clang 3.3 does not support this instruction
4819 enabled neon && check_insn neon 'ext v0.8B, v0.8B, v1.8B, #1'
4820 enabled vfp && check_insn vfp 'fmadd d0, d0, d1, d2'
4822 map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM
4824 elif enabled alpha; then
4828 elif enabled arm; then
4830 enabled msvc && check_cpp_condition stddef.h "defined _M_ARMT" && enable thumb
4832 check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb
4833 float func(float a, float b){ return a+b; }
4836 enabled thumb && check_cflags -mthumb || check_cflags -marm
4838 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
4840 elif check_cpp_condition stddef.h "defined _M_ARM_FP && _M_ARM_FP >= 30"; then
4842 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__" && [ $target_os != darwin ]; then
4843 case "${cross_prefix:-$cc}" in
4844 *hardfloat*) enable vfp_args; fpabi=vfp ;;
4845 *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
4846 __asm__ (".eabi_attribute 28, 1");
4847 int main(void) { return 0; }
4850 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
4853 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
4854 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
4855 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
4856 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
4857 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
4858 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
4859 enabled setend && check_insn setend 'setend be'
4861 [ $target_os = linux ] || [ $target_os = android ] ||
4862 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
4865 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
4867 check_as <<EOF && enable as_dn_directive
4872 # llvm's integrated assembler supports .object_arch from llvm 3.5
4873 [ "$objformat" = elf ] && check_as <<EOF && enable as_object_arch
4877 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
4879 elif enabled mips; then
4881 enabled loongson2 && check_inline_asm loongson2 '"dmult.g $8, $9, $10"'
4882 enabled loongson3 && check_inline_asm loongson3 '"gsldxc1 $f0, 0($2, $3)"'
4883 enabled mmi && check_inline_asm mmi '"punpcklhw $f0, $f0, $f0"'
4885 # Enable minimum ISA based on selected options
4886 if enabled mips64 && (enabled mipsdspr1 || enabled mipsdspr2); then
4887 add_cflags "-mips64r2"
4888 add_asflags "-mips64r2"
4889 elif enabled mips64 && enabled mipsfpu && disabled loongson2 && disabled loongson3; then
4890 add_cflags "-mips64"
4891 add_asflags "-mips64"
4892 elif enabled mipsdspr1 || enabled mipsdspr2; then
4893 add_cflags "-mips32r2 -mfp32"
4894 add_asflags "-mips32r2 -mfp32"
4895 elif enabled mips32r5 || enabled mips64r6; then
4896 check_cflags "-mfp64"
4897 check_ldflags "-mfp64"
4900 enabled mips32r5 && check_cflags "-mips32r5 -msched-weight -mload-store-pairs -funroll-loops" &&
4901 check_ldflags "-mips32r5" &&
4902 check_inline_asm mips32r5 '"ulw $t0, ($t1)"'
4903 enabled mips64r6 && check_cflags "-mips64r6 -msched-weight -mload-store-pairs -funroll-loops" &&
4904 check_ldflags "-mips64r6" &&
4905 check_inline_asm mips64r6 '"aui $t0, $t1, 1"'
4906 enabled mipsdspr1 && add_cflags "-mdsp" && add_asflags "-mdsp" &&
4907 check_inline_asm mipsdspr1 '"addu.qb $t0, $t1, $t2"'
4908 enabled mipsdspr2 && add_cflags "-mdspr2" && add_asflags "-mdspr2" &&
4909 check_inline_asm mipsdspr2 '"absq_s.qb $t0, $t1"'
4910 enabled mipsfpu && add_cflags "-mhard-float" && add_asflags "-mhard-float" &&
4911 check_inline_asm mipsfpu '"madd.d $f0, $f2, $f4, $f6"'
4912 enabled msa && check_cflags "-mmsa" && check_ldflags "-mmsa" &&
4913 check_inline_asm msa '"addvi.b $w0, $w1, 1"'
4915 enabled mips32r5 && add_asflags "-mips32r5 -mfp64"
4916 enabled mips64r6 && add_asflags "-mips64r6 -mfp64"
4917 enabled msa && add_asflags "-mmsa"
4919 elif enabled parisc; then
4921 if enabled gcc; then
4922 case $($cc -dumpversion) in
4923 4.[3-9].*) check_cflags -fno-optimize-sibling-calls ;;
4927 elif enabled ppc; then
4929 enable local_aligned_8 local_aligned_16 local_aligned_32
4931 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
4932 check_inline_asm ibm_asm '"add 0, 0, 0"'
4933 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
4934 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
4936 # AltiVec flags: The FSF version of GCC differs from the Apple version
4937 if enabled altivec; then
4938 check_cflags -maltivec -mabi=altivec &&
4939 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
4940 check_cflags -faltivec
4942 # check if our compiler supports Motorola AltiVec C API
4943 check_cc <<EOF || disable altivec
4946 vector signed int v1 = (vector signed int) { 0 };
4947 vector signed int v2 = (vector signed int) { 1 };
4948 v1 = vec_add(v1, v2);
4953 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
4956 if enabled vsx; then
4957 check_cflags -mvsx &&
4958 check_builtin vec_vsx_ld "altivec.h" "__builtin_vec_vsx_ld" || disable vsx
4961 if enabled power8; then
4962 check_cpp_condition "altivec.h" "defined(_ARCH_PWR8)" || disable power8
4965 elif enabled x86; then
4967 check_builtin rdtsc intrin.h "__rdtsc()"
4968 check_builtin mm_empty mmintrin.h "_mm_empty()"
4970 enable local_aligned_8 local_aligned_16 local_aligned_32
4972 # check whether EBP is available on x86
4973 # As 'i' is stored on the stack, this program will crash
4974 # if the base pointer is used to access it because the
4975 # base pointer is cleared in the inline assembly code.
4976 check_exec_crash <<EOF && enable ebp_available
4978 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
4982 # check whether EBX is available on x86
4983 check_inline_asm ebx_available '""::"b"(0)' &&
4984 check_inline_asm ebx_available '"":::"%ebx"'
4986 # check whether xmm clobbers are supported
4987 check_inline_asm xmm_clobbers '"":::"%xmm0"'
4989 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' ||
4990 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"'
4992 # check whether binutils is new enough to compile SSSE3/MMXEXT
4993 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
4994 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
4996 if ! disabled_any asm mmx yasm; then
4997 if check_cmd $yasmexe --version; then
4998 enabled x86_64 && yasm_extra="-m amd64"
4999 yasm_debug="-g dwarf2"
5000 elif check_cmd nasm -v; then
5002 yasm_debug="-g -F dwarf"
5003 if enabled x86_64; then
5004 case "$objformat" in
5005 elf) objformat=elf64 ;;
5006 win32) objformat=win64 ;;
5011 YASMFLAGS="-f $objformat $yasm_extra"
5012 enabled pic && append YASMFLAGS "-DPIC"
5013 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
5014 case "$objformat" in
5015 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
5018 check_yasm "movbe ecx, [5]" && enable yasm ||
5019 die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."
5020 check_yasm "vextracti128 xmm0, ymm0, 0" || disable avx2_external
5021 check_yasm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external
5022 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
5023 check_yasm "CPU amdnop" || disable cpunop
5027 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
5034 check_code cc arm_neon.h "int16x8_t test = vdupq_n_s16(0)" && enable intrinsics_neon
5036 check_ldflags -Wl,--as-needed
5037 check_ldflags -Wl,-z,noexecstack
5039 if check_func dlopen; then
5041 elif check_func dlopen -ldl; then
5045 frei0r_filter_extralibs='$ldl'
5046 frei0r_src_filter_extralibs='$ldl'
5047 ladspa_filter_extralibs='$ldl'
5048 nvenc_encoder_extralibs='$ldl'
5050 if ! disabled network; then
5051 check_func getaddrinfo $network_extralibs
5052 check_func getservbyport $network_extralibs
5053 check_func inet_aton $network_extralibs
5055 check_type netdb.h "struct addrinfo"
5056 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
5057 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
5058 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
5059 check_type poll.h "struct pollfd"
5060 check_type netinet/sctp.h "struct sctp_event_subscribe"
5061 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
5062 check_type netinet/in.h "struct sockaddr_in6"
5063 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
5064 check_type "sys/types.h sys/socket.h" socklen_t
5066 # Prefer arpa/inet.h over winsock2
5067 if check_header arpa/inet.h ; then
5068 check_func closesocket
5069 elif check_header winsock2.h ; then
5070 check_func_headers winsock2.h closesocket -lws2 &&
5071 network_extralibs="-lws2" ||
5072 { check_func_headers winsock2.h closesocket -lws2_32 &&
5073 network_extralibs="-lws2_32"; } || disable winsock2_h network
5074 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
5076 check_type ws2tcpip.h socklen_t
5077 check_type ws2tcpip.h "struct addrinfo"
5078 check_type ws2tcpip.h "struct group_source_req"
5079 check_type ws2tcpip.h "struct ip_mreq_source"
5080 check_type ws2tcpip.h "struct ipv6_mreq"
5081 check_type winsock2.h "struct pollfd"
5082 check_struct winsock2.h "struct sockaddr" sa_len
5083 check_type ws2tcpip.h "struct sockaddr_in6"
5084 check_type ws2tcpip.h "struct sockaddr_storage"
5090 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
5091 check_builtin atomic_compare_exchange "" "int *ptr, *oldval; int newval; __atomic_compare_exchange_n(ptr, oldval, newval, 0, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST)"
5092 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
5093 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
5094 check_builtin sarestart signal.h "SA_RESTART"
5095 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
5096 check_builtin gmtime_r time.h "time_t *time; struct tm *tm; gmtime_r(time, tm)"
5097 check_builtin localtime_r time.h "time_t *time; struct tm *tm; localtime_r(time, tm)"
5099 case "$custom_allocator" in
5101 # jemalloc by default does not use a prefix
5102 require libjemalloc jemalloc/jemalloc.h malloc -ljemalloc
5105 require_pkg_config libtcmalloc gperftools/tcmalloc.h tc_malloc
5110 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
5111 check_func ${malloc_prefix}memalign && enable memalign
5112 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
5115 check_func_headers time.h clock_gettime || { check_func_headers time.h clock_gettime -lrt && add_extralibs -lrt && LIBRT="-lrt"; }
5118 check_func gethrtime
5120 check_func getrusage
5121 check_func gettimeofday
5123 check_func mach_absolute_time
5127 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
5128 check_func_headers time.h nanosleep || { check_func_headers time.h nanosleep -lrt && add_extralibs -lrt && LIBRT="-lrt"; }
5129 check_func sched_getaffinity
5130 check_func setrlimit
5131 check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE
5132 check_func strerror_r
5137 check_func_headers conio.h kbhit
5138 check_func_headers io.h setmode
5139 check_func_headers lzo/lzo1x.h lzo1x_999_compress
5140 check_func_headers stdlib.h getenv
5141 check_func_headers sys/stat.h lstat
5143 check_func_headers windows.h CoTaskMemFree -lole32
5144 check_func_headers windows.h GetProcessAffinityMask
5145 check_func_headers windows.h GetProcessTimes
5146 check_func_headers windows.h GetSystemTimeAsFileTime
5147 check_func_headers windows.h MapViewOfFile
5148 check_func_headers windows.h PeekNamedPipe
5149 check_func_headers windows.h SetConsoleTextAttribute
5150 check_func_headers windows.h SetConsoleCtrlHandler
5151 check_func_headers windows.h Sleep
5152 check_func_headers windows.h VirtualAlloc
5153 check_struct windows.h "CONDITION_VARIABLE" Ptr
5154 check_func_headers glob.h glob
5156 check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext
5158 check_header CoreServices/CoreServices.h
5159 check_header direct.h
5160 check_header dirent.h
5161 check_header dlfcn.h
5162 check_header d3d11.h
5164 check_header dxva2api.h -D_WIN32_WINNT=0x0600
5166 check_header libcrystalhd/libcrystalhd_if.h
5167 check_header mach/mach_time.h
5168 check_header malloc.h
5169 check_header net/udplite.h
5171 check_header sys/mman.h
5172 check_header sys/param.h
5173 check_header sys/resource.h
5174 check_header sys/select.h
5175 check_header sys/time.h
5176 check_header sys/un.h
5177 check_header termios.h
5178 check_header unistd.h
5179 check_header valgrind/valgrind.h
5180 check_header vdpau/vdpau.h
5181 check_header vdpau/vdpau_x11.h
5182 check_header VideoDecodeAcceleration/VDADecoder.h
5183 check_header VideoToolbox/VideoToolbox.h
5184 check_header windows.h
5185 check_header X11/extensions/XvMClib.h
5186 check_header asm/types.h
5188 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
5189 check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32
5190 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
5192 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
5194 check_type "windows.h dxva.h" "DXVA_PicParams_HEVC" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0
5195 check_type "windows.h d3d11.h" "ID3D11VideoDecoder"
5196 check_type "windows.h d3d11.h" "ID3D11VideoContext"
5197 check_type "d3d9.h dxva2api.h" DXVA2_ConfigPictureDecode -D_WIN32_WINNT=0x0602
5199 check_type "va/va.h" "VAPictureParameterBufferHEVC"
5201 check_type "vdpau/vdpau.h" "VdpPictureInfoHEVC"
5203 if ! disabled w32threads && ! enabled pthreads; then
5204 check_func_headers "windows.h process.h" _beginthreadex &&
5205 enable w32threads || disable w32threads
5208 # check for some common methods of building with pthread support
5209 # do this before the optional library checks as some of them require pthreads
5210 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
5212 if check_func pthread_join -pthread && check_func pthread_create -pthread; then
5214 add_extralibs -pthread
5215 elif check_func pthread_join -pthreads && check_func pthread_create -pthreads; then
5216 add_cflags -pthreads
5217 add_extralibs -pthreads
5218 elif check_func pthread_join -ldl -pthread && check_func pthread_create -ldl -pthread; then
5219 add_cflags -ldl -pthread
5220 add_extralibs -ldl -pthread
5221 elif check_func pthread_join -lpthreadGC2 && check_func pthread_create -lpthreadGC2; then
5222 add_extralibs -lpthreadGC2
5223 elif check_lib pthread.h pthread_join -lpthread && check_lib pthread.h pthread_create -lpthread; then
5225 elif ! check_func pthread_join && ! check_func pthread_create; then
5228 check_code cc "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER" || disable pthreads
5232 if enabled pthreads; then
5233 check_func pthread_cancel
5236 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
5237 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
5238 disabled lzma || check_lib2 lzma.h lzma_version_number -llzma || disable lzma
5240 check_lib math.h sin -lm && LIBM="-lm"
5241 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
5248 for func in $MATH_FUNCS; do
5249 eval check_mathfunc $func \${${func}_args:-1}
5252 # these are off by default, so fail if requested and not available
5253 enabled avfoundation_indev && { check_header_oc AVFoundation/AVFoundation.h || disable avfoundation_indev; }
5254 enabled avfoundation_indev && { check_lib2 CoreGraphics/CoreGraphics.h CGGetActiveDisplayList -framework CoreGraphics ||
5255 check_lib2 ApplicationServices/ApplicationServices.h CGGetActiveDisplayList -framework ApplicationServices; }
5256 enabled avisynth && { { check_lib2 "windows.h" LoadLibrary; } ||
5257 { check_lib2 "dlfcn.h" dlopen -ldl; } ||
5258 die "ERROR: LoadLibrary/dlopen not found for avisynth"; }
5259 enabled decklink && { check_header DeckLinkAPI.h || die "ERROR: DeckLinkAPI.h header not found"; }
5260 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
5261 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
5262 enabled ladspa && { check_header ladspa.h || die "ERROR: ladspa.h header not found"; }
5263 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
5264 enabled libaacplus && require "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
5265 enabled libass && require_pkg_config libass ass/ass.h ass_library_init
5266 enabled libbluray && require_pkg_config libbluray libbluray/bluray.h bd_open
5267 enabled libbs2b && require_pkg_config libbs2b bs2b.h bs2b_open
5268 enabled libcelt && require libcelt celt/celt.h celt_decode -lcelt0 &&
5269 { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
5270 die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
5271 enabled libcaca && require_pkg_config caca caca.h caca_create_canvas
5272 enabled libdcadec && require_pkg_config dcadec libdcadec/dca_context.h dcadec_context_create &&
5273 check_struct libdcadec/dca_context.h "struct dcadec_exss_info" matrix_encoding
5274 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
5275 enabled libfdk_aac && { use_pkg_config fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen ||
5276 { require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac &&
5277 warn "using libfdk without pkg-config"; } }
5278 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"
5279 enabled libflite && require2 libflite "flite/flite.h" flite_init $flite_libs
5280 enabled fontconfig && enable libfontconfig
5281 enabled libfontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
5282 enabled libfreetype && require_libfreetype
5283 enabled libfribidi && require_pkg_config fribidi fribidi.h fribidi_version_info
5284 enabled libgme && require libgme gme/gme.h gme_new_emu -lgme -lstdc++
5285 enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
5286 check_lib "${gsm_hdr}" gsm_create -lgsm && break;
5287 done || die "ERROR: libgsm not found"; }
5288 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
5289 enabled libkvazaar && require_pkg_config kvazaar kvazaar.h kvz_api_get
5290 enabled libmfx && require_pkg_config libmfx "mfx/mfxvideo.h" MFXInit
5291 enabled libmodplug && require_pkg_config libmodplug libmodplug/modplug.h ModPlug_Load
5292 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
5293 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
5294 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
5295 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
5296 enabled libopencv && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
5297 enabled libopenh264 && require_pkg_config openh264 wels/codec_api.h WelsGetCodecVersion
5298 enabled libopenjpeg && { check_lib openjpeg.h opj_version -lopenmj2 -DOPJ_STATIC ||
5299 check_lib openjpeg-1.5/openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||
5300 check_lib openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||
5301 die "ERROR: libopenjpeg not found"; }
5302 enabled libopus && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
5303 enabled libpulse && require_pkg_config libpulse pulse/pulseaudio.h pa_context_new
5304 enabled libquvi && require_pkg_config libquvi quvi/quvi.h quvi_init
5305 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
5306 enabled librubberband && require_pkg_config "rubberband >= 1.8.1" rubberband/rubberband-c.h rubberband_new
5307 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
5308 enabled libshine && require_pkg_config shine shine/layer3.h shine_encode_buffer
5309 enabled libsmbclient && { use_pkg_config smbclient libsmbclient.h smbc_init ||
5310 require smbclient libsmbclient.h smbc_init -lsmbclient; }
5311 enabled libsnappy && require snappy snappy-c.h snappy_compress -lsnappy
5312 enabled libsoxr && require libsoxr soxr.h soxr_create -lsoxr && LIBSOXR="-lsoxr"
5313 enabled libssh && require_pkg_config libssh libssh/sftp.h sftp_init
5314 enabled libspeex && require_pkg_config speex speex/speex.h speex_decoder_init -lspeex
5315 enabled libstagefright_h264 && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
5316 media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
5317 media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static
5318 enabled libtesseract && require_pkg_config tesseract tesseract/capi.h TessBaseAPICreate
5319 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
5320 enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame &&
5321 { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
5322 die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
5323 enabled libutvideo && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
5324 enabled libv4l2 && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
5325 enabled libvidstab && require_pkg_config "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit
5326 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
5327 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
5328 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
5331 enabled libvpx_vp8_decoder && {
5332 use_pkg_config "vpx >= 0.9.1" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp8_dx ||
5333 check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
5334 die "ERROR: libvpx decoder version must be >=0.9.1";
5336 enabled libvpx_vp8_encoder && {
5337 use_pkg_config "vpx >= 0.9.7" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp8_cx ||
5338 check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VP8E_SET_MAX_INTRA_BITRATE_PCT" -lvpx ||
5339 die "ERROR: libvpx encoder version must be >=0.9.7";
5341 enabled libvpx_vp9_decoder && {
5342 use_pkg_config "vpx >= 1.3.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx ||
5343 check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx ||
5344 disable libvpx_vp9_decoder;
5346 enabled libvpx_vp9_encoder && {
5347 use_pkg_config "vpx >= 1.3.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx ||
5348 check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VP9E_SET_AQ_MODE" -lvpx ||
5349 disable libvpx_vp9_encoder;
5351 if disabled_all libvpx_vp8_decoder libvpx_vp9_decoder libvpx_vp8_encoder libvpx_vp9_encoder; then
5352 die "libvpx enabled but no supported decoders found"
5356 enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack
5357 enabled libwebp && {
5358 enabled libwebp_encoder && require_pkg_config "libwebp >= 0.2.0" webp/encode.h WebPGetEncoderVersion
5359 enabled libwebp_anim_encoder && { use_pkg_config "libwebpmux >= 0.4.0" webp/mux.h WebPAnimEncoderOptionsInit || disable libwebp_anim_encoder; } }
5360 enabled libx264 && { use_pkg_config x264 "stdint.h x264.h" x264_encoder_encode ||
5361 { require libx264 x264.h x264_encoder_encode -lx264 &&
5362 warn "using libx264 without pkg-config"; } } &&
5363 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
5364 die "ERROR: libx264 must be installed and version must be >= 0.118."; } &&
5365 { check_cpp_condition x264.h "X264_MPEG2" &&
5367 enabled libx265 && require_pkg_config x265 x265.h x265_api_get &&
5368 { check_cpp_condition x265.h "X265_BUILD >= 57" ||
5369 die "ERROR: libx265 version must be >= 57."; }
5370 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
5371 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
5372 enabled libzmq && require_pkg_config libzmq zmq.h zmq_ctx_new
5373 enabled libzvbi && require libzvbi libzvbi.h vbi_decoder_new -lzvbi
5374 enabled mmal && { check_lib interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ||
5375 { ! enabled cross_compile && {
5376 add_cflags -isystem/opt/vc/include/ -isystem/opt/vc/include/interface/vmcs_host/linux -isystem/opt/vc/include/interface/vcos/pthreads -fgnu89-inline ;
5377 add_extralibs -L/opt/vc/lib/ -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ;
5378 check_lib interface/mmal/mmal.h mmal_port_connect ; }
5379 check_lib interface/mmal/mmal.h mmal_port_connect ; } ||
5380 die "ERROR: mmal not found"; }
5381 enabled nvenc && { check_header nvEncodeAPI.h || die "ERROR: nvEncodeAPI.h not found."; } &&
5382 { check_cpp_condition nvEncodeAPI.h "NVENCAPI_MAJOR_VERSION >= 5" ||
5383 die "ERROR: NVENC API version 4 or older is not supported"; } &&
5384 { [ $target_os != cygwin ] || die "ERROR: NVENC is not supported on Cygwin currently."; }
5385 enabled openal && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
5386 check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
5387 die "ERROR: openal not found"; } &&
5388 { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
5389 die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
5390 enabled opencl && { check_lib2 OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||
5391 check_lib2 CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||
5392 die "ERROR: opencl not found"; } &&
5393 { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||
5394 check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||
5395 die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }
5396 enabled opengl && { check_lib GL/glx.h glXGetProcAddress "-lGL" ||
5397 check_lib2 windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||
5398 check_lib2 OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||
5399 check_lib2 ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||
5400 die "ERROR: opengl not found."
5402 enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
5403 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
5404 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
5405 die "ERROR: openssl not found"; }
5406 enabled qtkit_indev && { check_header_oc QTKit/QTKit.h || disable qtkit_indev; }
5408 if enabled gnutls; then
5409 { check_lib2 gmp.h mpz_export -lgmp && enable gmp; } ||
5410 { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }
5414 if enabled libdc1394; then
5415 { require_pkg_config libdc1394-2 dc1394/dc1394.h dc1394_new &&
5416 enable libdc1394_2; } ||
5417 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
5418 enable libdc1394_1; } ||
5419 die "ERROR: No version of libdc1394 found "
5421 if ! disabled sdl; then
5422 SDL_CONFIG="${cross_prefix}sdl-config"
5423 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
5424 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
5425 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
5428 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
5429 sdl_cflags=$("${SDL_CONFIG}" --cflags)
5430 sdl_libs=$("${SDL_CONFIG}" --libs)
5431 check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
5432 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
5433 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
5435 elif enabled sdl ; then
5436 die "ERROR: SDL not found"
5441 if test $target_os = "mingw32"; then
5442 sdl_libs="$sdl_libs -mconsole"
5445 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
5447 disabled securetransport || { check_func SecIdentityCreate "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&
5448 check_lib2 "Security/SecureTransport.h Security/Security.h" "SSLCreateContext SecItemImport" "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&
5449 enable securetransport; }
5451 makeinfo --version > /dev/null 2>&1 && enable makeinfo || disable makeinfo
5453 && [ 0$(makeinfo --version | grep "texinfo" | sed 's/.*texinfo[^0-9]*\([0-9]*\)\..*/\1/') -ge 5 ] \
5454 && enable makeinfo_html || disable makeinfo_html
5455 disabled makeinfo_html && texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
5456 perl -v > /dev/null 2>&1 && enable perl || disable perl
5457 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
5458 rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout
5460 check_header linux/fb.h
5461 check_header linux/videodev.h
5462 check_header linux/videodev2.h
5463 check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete
5465 check_header sys/videoio.h
5466 check_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete
5468 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
5469 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
5470 # w32api 3.12 had it defined wrong
5471 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
5473 check_type "dshow.h" IBaseFilter
5475 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
5476 { check_header dev/bktr/ioctl_meteor.h &&
5477 check_header dev/bktr/ioctl_bt848.h; } ||
5478 { check_header machine/ioctl_meteor.h &&
5479 check_header machine/ioctl_bt848.h; } ||
5480 { check_header dev/video/meteor/ioctl_meteor.h &&
5481 check_header dev/video/bktr/ioctl_bt848.h; } ||
5482 check_header dev/ic/bt8xx.h
5484 check_header sndio.h
5485 if check_struct sys/soundcard.h audio_buf_info bytes; then
5486 enable_safe sys/soundcard.h
5488 check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
5489 #include <sys/soundcard.h>
5493 check_header soundcard.h
5495 enabled_any alsa_indev alsa_outdev &&
5496 check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
5498 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait &&
5499 check_func jack_port_get_latency_range -ljack
5501 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
5503 if enabled libcdio; then
5504 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
5505 check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
5506 die "ERROR: No usable libcdio/cdparanoia found"
5510 check_lib X11/Xlib.h XOpenDisplay -lX11 || disable xlib
5512 if ! disabled libxcb; then
5513 check_pkg_config "xcb >= 1.4" xcb/xcb.h xcb_connect || {
5514 enabled libxcb && die "ERROR: libxcb >= 1.4 not found";
5515 } && disable x11grab && enable libxcb
5517 if enabled libxcb; then
5518 disabled libxcb_shm || {
5519 check_pkg_config xcb-shm xcb/shm.h xcb_shm_attach || {
5520 enabled libxcb_shm && die "ERROR: libxcb_shm not found";
5521 } && check_header sys/shm.h && enable libxcb_shm; }
5523 disabled libxcb_xfixes || {
5524 check_pkg_config xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image || {
5525 enabled libxcb_xfixes && die "ERROR: libxcb_xfixes not found";
5526 } && enable libxcb_xfixes; }
5528 disabled libxcb_shape || {
5529 check_pkg_config xcb-shape xcb/shape.h xcb_shape_get_rectangles || {
5530 enabled libxcb_shape && die "ERROR: libxcb_shape not found";
5531 } && enable libxcb_shape; }
5533 add_cflags $xcb_cflags $xcb_shm_cflags $xcb_xfixes_cflags $xcb_shape_cflags
5534 add_extralibs $xcb_libs $xcb_shm_libs $xcb_xfixes_libs $xcb_shape_libs
5538 if enabled x11grab; then
5539 enabled xlib || die "ERROR: Xlib not found"
5540 require Xext X11/extensions/XShm.h XShmCreateImage -lXext
5541 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
5544 check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs"
5546 enabled dxva2api_h &&
5547 check_cc <<EOF && enable dxva2api_cobj
5548 #define _WIN32_WINNT 0x0600
5550 #include <windows.h>
5552 #include <dxva2api.h>
5553 int main(void) { IDirectXVideoDecoder *o = NULL; IDirectXVideoDecoder_Release(o); return 0; }
5557 check_lib va/va.h vaInitialize -lva ||
5560 enabled vaapi && enabled xlib &&
5561 check_lib2 "va/va.h va/va_x11.h" vaGetDisplay -lva -lva-x11 &&
5565 check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
5568 enabled vdpau && enabled xlib &&
5569 check_func_headers "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau &&
5570 prepend ffmpeg_libs $($ldflags_filter "-lvdpau") &&
5573 # Funny iconv installations are not unusual, so check it after all flags have been set
5574 disabled iconv || check_func_headers iconv.h iconv || check_lib2 iconv.h iconv -liconv || disable iconv
5576 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
5578 # add some useful compiler flags if supported
5579 check_cflags -Wdeclaration-after-statement
5581 check_cflags -Wdisabled-optimization
5582 check_cflags -Wpointer-arith
5583 check_cflags -Wredundant-decls
5584 check_cflags -Wwrite-strings
5585 check_cflags -Wtype-limits
5586 check_cflags -Wundef
5587 check_cflags -Wmissing-prototypes
5588 check_cflags -Wno-pointer-to-int-cast
5589 check_cflags -Wstrict-prototypes
5590 check_cflags -Wempty-body
5591 enabled extra_warnings && check_cflags -Winline
5593 check_disable_warning(){
5594 warning_flag=-W${1#-Wno-}
5595 test_cflags $warning_flag && add_cflags $1
5598 check_disable_warning -Wno-parentheses
5599 check_disable_warning -Wno-switch
5600 check_disable_warning -Wno-format-zero-length
5601 check_disable_warning -Wno-pointer-sign
5603 # add some linker flags
5604 check_ldflags -Wl,--warn-common
5605 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
5606 enabled rpath && add_ldexeflags -Wl,-rpath,$libdir
5607 enabled rpath && add_ldlibflags -Wl,-rpath,$libdir
5608 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
5610 # add some strip flags
5611 # -wN '..@*' is more selective than -x, but not available everywhere.
5612 check_stripflags -wN \'..@*\' || check_stripflags -x
5614 enabled neon_clobber_test &&
5615 check_ldflags -Wl,--wrap,avcodec_open2 \
5616 -Wl,--wrap,avcodec_decode_audio4 \
5617 -Wl,--wrap,avcodec_decode_video2 \
5618 -Wl,--wrap,avcodec_decode_subtitle2 \
5619 -Wl,--wrap,avcodec_encode_audio2 \
5620 -Wl,--wrap,avcodec_encode_video2 \
5621 -Wl,--wrap,avcodec_encode_subtitle \
5622 -Wl,--wrap,swr_convert \
5623 -Wl,--wrap,avresample_convert ||
5624 disable neon_clobber_test
5626 enabled xmm_clobber_test &&
5627 check_ldflags -Wl,--wrap,avcodec_open2 \
5628 -Wl,--wrap,avcodec_decode_audio4 \
5629 -Wl,--wrap,avcodec_decode_video2 \
5630 -Wl,--wrap,avcodec_decode_subtitle2 \
5631 -Wl,--wrap,avcodec_encode_audio2 \
5632 -Wl,--wrap,avcodec_encode_video2 \
5633 -Wl,--wrap,avcodec_encode_subtitle \
5634 -Wl,--wrap,swr_convert \
5635 -Wl,--wrap,avresample_convert \
5636 -Wl,--wrap,sws_scale ||
5637 disable xmm_clobber_test
5640 if test_ldflags -Wl,--version-script,$TMPV; then
5641 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
5642 check_cc <<EOF && enable symver_asm_label
5643 void ff_foo(void) __asm__ ("av_foo@VERSION");
5644 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
5646 check_cc <<EOF && enable symver_gnu_asm
5647 __asm__(".symver ff_foo,av_foo@VERSION");
5648 void ff_foo(void) {}
5652 if [ -z "$optflags" ]; then
5653 if enabled small; then
5654 optflags=$cflags_size
5655 elif enabled optimizations; then
5656 optflags=$cflags_speed
5658 optflags=$cflags_noopt
5664 enabled lto && check_ldflags "$@"
5668 if enabled lto; then
5669 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
5671 check_ldflags -flto $cpuflags
5672 disable inline_asm_direct_symbol_refs
5675 check_optflags $optflags
5676 check_optflags -fno-math-errno
5677 check_optflags -fno-signed-zeros
5679 enabled ftrapv && check_cflags -ftrapv
5681 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
5686 if enabled icc; then
5687 # Just warnings, no remarks
5689 # -wd: Disable following warnings
5690 # 144, 167, 556: -Wno-pointer-sign
5691 # 188: enumerated type mixed with another type
5692 # 1292: attribute "foo" ignored
5693 # 1419: external declaration in primary source file
5694 # 10006: ignoring unknown option -fno-signed-zeros
5695 # 10148: ignoring unknown option -Wno-parentheses
5696 # 10156: ignoring option '-W'; no argument required
5697 # 13200: No EMMS instruction before call to function
5698 # 13203: No EMMS instruction before return from function
5699 check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156,13200,13203
5700 # 11030: Warning unknown option --as-needed
5701 # 10156: ignoring option '-export'; no argument required
5702 check_ldflags -wd10156,11030
5703 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
5704 enable ebp_available
5705 # The test above does not test linking
5706 enabled lto && disable symver_asm_label
5707 if enabled x86_32; then
5708 icc_version=$($cc -dumpversion)
5709 test ${icc_version%%.*} -ge 11 &&
5710 check_cflags -falign-stack=maintain-16-byte ||
5711 disable aligned_stack
5713 elif enabled ccc; then
5714 # disable some annoying warnings
5715 add_cflags -msg_disable bitnotint
5716 add_cflags -msg_disable mixfuncvoid
5717 add_cflags -msg_disable nonstandcast
5718 add_cflags -msg_disable unsupieee
5719 elif enabled gcc; then
5720 check_optflags -fno-tree-vectorize
5721 check_cflags -Werror=format-security
5722 check_cflags -Werror=implicit-function-declaration
5723 check_cflags -Werror=missing-prototypes
5724 check_cflags -Werror=return-type
5725 check_cflags -Werror=vla
5726 check_cflags -Wformat
5727 check_cflags -fdiagnostics-color=auto
5728 enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized
5729 elif enabled llvm_gcc; then
5730 check_cflags -mllvm -stack-alignment=16
5731 elif enabled clang; then
5732 check_cflags -mllvm -stack-alignment=16
5733 check_cflags -Qunused-arguments
5734 check_cflags -Werror=implicit-function-declaration
5735 check_cflags -Werror=missing-prototypes
5736 check_cflags -Werror=return-type
5737 elif enabled cparser; then
5738 add_cflags -Wno-missing-variable-declarations
5739 add_cflags -Wno-empty-statement
5740 elif enabled armcc; then
5741 add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat
5742 add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir
5743 # 2523: use of inline assembly is deprecated
5744 add_cflags -W${armcc_opt},--diag_suppress=2523
5745 add_cflags -W${armcc_opt},--diag_suppress=1207
5746 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
5747 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
5748 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
5749 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
5750 elif enabled tms470; then
5751 add_cflags -pds=824 -pds=837
5753 elif enabled pathscale; then
5754 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
5755 elif enabled_any msvc icl; then
5756 enabled x86_32 && disable aligned_stack
5757 enabled_all x86_32 debug && add_cflags -Oy-
5758 enabled debug && add_ldflags -debug
5759 enable pragma_deprecated
5760 if enabled icl; then
5761 # -Qansi-alias is basically -fstrict-aliasing, but does not work
5762 # (correctly) on icl 13.x.
5763 check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&
5764 add_cflags -Qansi-alias
5765 # Some inline asm is not compilable in debug
5766 if enabled debug; then
5767 disable ebp_available
5768 disable ebx_available
5771 # msvcrt10 x64 incorrectly enables log2, only msvcrt12 (MSVC 2013) onwards actually has log2.
5772 check_cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION >= 12" || disable log2
5773 # The CRT headers contain __declspec(restrict) in a few places, but if redefining
5774 # restrict, this might break. MSVC 2010 and 2012 fail with __declspec(__restrict)
5775 # (as it ends up if the restrict redefine is done before including stdlib.h), while
5776 # MSVC 2013 and newer can handle it fine.
5777 # If this declspec fails, force including stdlib.h before the restrict redefinition
5778 # happens in config.h.
5779 if [ $_restrict != restrict ]; then
5780 check_cc <<EOF || add_cflags -FIstdlib.h
5781 __declspec($_restrict) void* foo(int);
5784 check_func strtoll || add_cflags -Dstrtoll=_strtoi64
5787 for pfx in "" host_; do
5788 varname=${pfx%_}cc_type
5789 eval "type=\$$varname"
5790 if [ $type = "msvc" ]; then
5791 check_${pfx}cc <<EOF || add_${pfx}cflags -Dinline=__inline
5792 static inline int foo(int a) { return a; }
5799 add_asflags -Qunused-arguments
5805 check_ldflags -Qunused-arguments
5811 enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'
5814 add_cppflags -Dmain=plan9_main
5818 enable frame_thread_encoder
5820 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
5822 check_deps $CONFIG_LIST \
5827 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"
5830 if test $target_os = "haiku"; then
5832 disable posix_memalign
5835 enabled_all dxva2 dxva2api_cobj CoTaskMemFree &&
5836 prepend ffmpeg_libs $($ldflags_filter "-lole32" "-luser32") &&
5839 ! enabled_any memalign posix_memalign aligned_malloc &&
5840 enabled simd_align_16 && enable memalign_hack
5843 # -> enable ${lib}_deps_${dep}
5844 # -> add $dep to ${lib}_deps only once
5848 enabled "${lib}_deps_${dep}" && return 0
5849 enable "${lib}_deps_${dep}"
5850 prepend "${lib}_deps" $dep
5853 # merge deps lib components
5854 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
5859 enabled $comp || continue
5860 eval "dep=\"\$${comp}_deps\""
5867 merge_deps libavfilter $FILTER_LIST
5869 map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST
5871 for thread in $THREADS_LIST; do
5872 if enabled $thread; then
5873 test -n "$thread_type" &&
5874 die "ERROR: Only one thread type must be selected." ||
5875 thread_type="$thread"
5879 enabled zlib && add_cppflags -DZLIB_CONST
5881 # conditional library dependencies, in linking order
5882 enabled amovie_filter && prepend avfilter_deps "avformat avcodec"
5883 enabled aresample_filter && prepend avfilter_deps "swresample"
5884 enabled asyncts_filter && prepend avfilter_deps "avresample"
5885 enabled atempo_filter && prepend avfilter_deps "avcodec"
5886 enabled cover_rect_filter && prepend avfilter_deps "avformat avcodec"
5887 enabled ebur128_filter && enabled swresample && prepend avfilter_deps "swresample"
5888 enabled elbg_filter && prepend avfilter_deps "avcodec"
5889 enabled fftfilt_filter && prepend avfilter_deps "avcodec"
5890 enabled find_rect_filter && prepend avfilter_deps "avformat avcodec"
5891 enabled mcdeint_filter && prepend avfilter_deps "avcodec"
5892 enabled movie_filter && prepend avfilter_deps "avformat avcodec"
5893 enabled pan_filter && prepend avfilter_deps "swresample"
5894 enabled pp_filter && prepend avfilter_deps "postproc"
5895 enabled removelogo_filter && prepend avfilter_deps "avformat avcodec swscale"
5896 enabled resample_filter && prepend avfilter_deps "avresample"
5897 enabled sab_filter && prepend avfilter_deps "swscale"
5898 enabled scale_filter && prepend avfilter_deps "swscale"
5899 enabled scale2ref_filter && prepend avfilter_deps "swscale"
5900 enabled showspectrum_filter && prepend avfilter_deps "avcodec"
5901 enabled smartblur_filter && prepend avfilter_deps "swscale"
5902 enabled subtitles_filter && prepend avfilter_deps "avformat avcodec"
5903 enabled uspp_filter && prepend avfilter_deps "avcodec"
5905 enabled lavfi_indev && prepend avdevice_deps "avfilter"
5907 enabled opus_decoder && prepend avcodec_deps "swresample"
5911 eval "deps=\$$lib_deps"
5912 append $lib_deps $(map 'eval echo \$${v}_deps' $deps)
5916 #we have to remove gpl from the deps here as some code assumes all lib deps are libs
5917 postproc_deps="$(filter_out 'gpl' $postproc_deps)"
5919 map 'expand_deps $v' $LIBRARY_LIST
5921 echo "install prefix $prefix"
5922 echo "source path $source_path"
5923 echo "C compiler $cc"
5924 echo "C library $libc_type"
5925 if test "$host_cc" != "$cc"; then
5926 echo "host C compiler $host_cc"
5927 echo "host C library $host_libc_type"
5929 echo "ARCH $arch ($cpu)"
5930 if test "$build_suffix" != ""; then
5931 echo "build suffix $build_suffix"
5933 if test "$progs_suffix" != ""; then
5934 echo "progs suffix $progs_suffix"
5936 if test "$extra_version" != ""; then
5937 echo "version string suffix $extra_version"
5939 echo "big-endian ${bigendian-no}"
5940 echo "runtime cpu detection ${runtime_cpudetect-no}"
5941 if enabled x86; then
5942 echo "${yasmexe} ${yasm-no}"
5943 echo "MMX enabled ${mmx-no}"
5944 echo "MMXEXT enabled ${mmxext-no}"
5945 echo "3DNow! enabled ${amd3dnow-no}"
5946 echo "3DNow! extended enabled ${amd3dnowext-no}"
5947 echo "SSE enabled ${sse-no}"
5948 echo "SSSE3 enabled ${ssse3-no}"
5949 echo "AVX enabled ${avx-no}"
5950 echo "XOP enabled ${xop-no}"
5951 echo "FMA3 enabled ${fma3-no}"
5952 echo "FMA4 enabled ${fma4-no}"
5953 echo "i686 features enabled ${i686-no}"
5954 echo "CMOV is fast ${fast_cmov-no}"
5955 echo "EBX available ${ebx_available-no}"
5956 echo "EBP available ${ebp_available-no}"
5958 if enabled aarch64; then
5959 echo "NEON enabled ${neon-no}"
5960 echo "VFP enabled ${vfp-no}"
5962 if enabled arm; then
5963 echo "ARMv5TE enabled ${armv5te-no}"
5964 echo "ARMv6 enabled ${armv6-no}"
5965 echo "ARMv6T2 enabled ${armv6t2-no}"
5966 echo "VFP enabled ${vfp-no}"
5967 echo "NEON enabled ${neon-no}"
5968 echo "THUMB enabled ${thumb-no}"
5970 if enabled mips; then
5971 echo "MIPS FPU enabled ${mipsfpu-no}"
5972 echo "MIPS32R5 enabled ${mips32r5-no}"
5973 echo "MIPS64R6 enabled ${mips64r6-no}"
5974 echo "MIPS DSP R1 enabled ${mipsdspr1-no}"
5975 echo "MIPS DSP R2 enabled ${mipsdspr2-no}"
5976 echo "MIPS MSA enabled ${msa-no}"
5977 echo "LOONGSON MMI enabled ${mmi-no}"
5979 if enabled ppc; then
5980 echo "AltiVec enabled ${altivec-no}"
5981 echo "VSX enabled ${vsx-no}"
5982 echo "POWER8 enabled ${power8-no}"
5983 echo "PPC 4xx optimizations ${ppc4xx-no}"
5984 echo "dcbzl available ${dcbzl-no}"
5986 echo "debug symbols ${debug-no}"
5987 echo "strip symbols ${stripping-no}"
5988 echo "optimize for size ${small-no}"
5989 echo "optimizations ${optimizations-no}"
5990 echo "static ${static-no}"
5991 echo "shared ${shared-no}"
5992 echo "postprocessing support ${postproc-no}"
5993 echo "new filter support ${avfilter-no}"
5994 echo "network support ${network-no}"
5995 echo "threading support ${thread_type-no}"
5996 echo "safe bitstream reader ${safe_bitstream_reader-no}"
5997 echo "SDL support ${sdl-no}"
5998 echo "opencl enabled ${opencl-no}"
5999 echo "texi2html enabled ${texi2html-no}"
6000 echo "perl enabled ${perl-no}"
6001 echo "pod2man enabled ${pod2man-no}"
6002 echo "makeinfo enabled ${makeinfo-no}"
6003 echo "makeinfo supports HTML ${makeinfo_html-no}"
6004 test -n "$random_seed" &&
6005 echo "random seed ${random_seed}"
6008 echo "Enabled programs:"
6009 print_enabled '' $PROGRAM_LIST | print_in_columns
6012 echo "External libraries:"
6013 print_enabled '' $EXTERNAL_LIBRARY_LIST | print_in_columns
6016 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
6017 echo "Enabled ${type}s:"
6018 eval list=\$$(toupper $type)_LIST
6019 print_enabled '_*' $list | print_in_columns
6023 license="LGPL version 2.1 or later"
6024 if enabled nonfree; then
6025 license="nonfree and unredistributable"
6026 elif enabled gplv3; then
6027 license="GPL version 3 or later"
6028 elif enabled lgplv3; then
6029 license="LGPL version 3 or later"
6030 elif enabled gpl; then
6031 license="GPL version 2 or later"
6034 echo "License: $license"
6036 echo "Creating config.mak, config.h, and doc/config.texi..."
6038 test -e Makefile || echo "include $source_path/Makefile" > Makefile
6040 enabled stripping || strip="echo skipping strip"
6042 config_files="$TMPH config.mak doc/config.texi"
6044 cat > config.mak <<EOF
6045 # Automatically generated by configure - do not modify!
6046 ifndef FFMPEG_CONFIG_MAK
6048 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
6050 LIBDIR=\$(DESTDIR)$libdir
6051 SHLIBDIR=\$(DESTDIR)$shlibdir
6052 INCDIR=\$(DESTDIR)$incdir
6053 BINDIR=\$(DESTDIR)$bindir
6054 DATADIR=\$(DESTDIR)$datadir
6055 DOCDIR=\$(DESTDIR)$docdir
6056 MANDIR=\$(DESTDIR)$mandir
6057 PKGCONFIGDIR=\$(DESTDIR)$pkgconfigdir
6058 SRC_PATH=$source_path
6059 ifndef MAIN_MAKEFILE
6060 SRC_PATH:=\$(SRC_PATH:.%=..%)
6064 INTRINSICS=$intrinsics
6070 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
6072 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
6101 LDEXEFLAGS=$LDEXEFLAGS
6102 LDLIBFLAGS=$LDLIBFLAGS
6103 SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
6104 ASMSTRIPFLAGS=$ASMSTRIPFLAGS
6105 YASMFLAGS=$YASMFLAGS
6106 BUILDSUF=$build_suffix
6107 PROGSSUF=$progs_suffix
6115 EXTRA_VERSION=$extra_version
6118 CCDEP_FLAGS=$CCDEP_FLAGS
6120 ASDEP_FLAGS=$ASDEP_FLAGS
6121 CC_DEPFLAGS=$CC_DEPFLAGS
6122 AS_DEPFLAGS=$AS_DEPFLAGS
6125 HOSTCFLAGS=$host_cflags
6126 HOSTCPPFLAGS=$host_cppflags
6127 HOSTEXESUF=$HOSTEXESUF
6128 HOSTLDFLAGS=$host_ldflags
6131 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
6132 HOSTCCDEP=$HOSTCCDEP
6133 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
6134 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
6138 TARGET_EXEC=$target_exec $target_exec_args
6139 TARGET_PATH=$target_path
6140 TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}
6141 CFLAGS-ffplay=$sdl_cflags
6142 ZLIB=$($ldflags_filter -lz)
6143 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
6144 EXTRALIBS=$extralibs
6145 COMPAT_OBJS=$compat_objs
6148 LIBTARGET=${LIBTARGET}
6149 SLIBNAME=${SLIBNAME}
6150 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
6151 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
6152 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
6153 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
6154 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
6155 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
6156 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
6157 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
6158 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
6159 NOREDZONE_FLAGS=$noredzone_flags
6164 name=$(toupper $lcname)
6165 file=$source_path/$lcname/version.h
6166 eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")
6167 enabled raise_major && eval ${name}_VERSION_MAJOR=$((${name}_VERSION_MAJOR+100))
6168 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
6169 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
6170 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
6171 eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak
6174 map 'get_version $v' $LIBRARY_LIST
6176 map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> config.mak' $LIBRARY_LIST
6178 print_program_libs(){
6179 eval "program_libs=\$${1}_libs"
6180 eval echo "LIBS-${1}=${program_libs}" >> config.mak
6183 map 'print_program_libs $v' $PROGRAM_LIST
6186 /* Automatically generated by configure - do not modify! */
6187 #ifndef FFMPEG_CONFIG_H
6188 #define FFMPEG_CONFIG_H
6189 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
6190 #define FFMPEG_LICENSE "$(c_escape $license)"
6191 #define CONFIG_THIS_YEAR 2015
6192 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
6193 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
6194 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
6195 #define av_restrict $_restrict
6196 #define EXTERN_PREFIX "${extern_prefix}"
6197 #define EXTERN_ASM ${extern_prefix}
6198 #define BUILDSUF "$build_suffix"
6199 #define SLIBSUF "$SLIBSUF"
6200 #define HAVE_MMX2 HAVE_MMXEXT
6201 #define SWS_MAX_FILTER_SIZE $sws_max_filter_size
6204 test -n "$assert_level" &&
6205 echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
6207 test -n "$malloc_prefix" &&
6208 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
6210 if enabled yasm; then
6211 append config_files $TMPASM
6215 enabled getenv || echo "#define getenv(x) NULL" >> $TMPH
6221 echo "@c auto-generated by configure" > doc/config.texi
6223 print_config ARCH_ "$config_files" $ARCH_LIST
6224 print_config HAVE_ "$config_files" $HAVE_LIST
6225 print_config CONFIG_ "$config_files" $CONFIG_LIST \
6229 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
6230 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
6232 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
6233 cp_if_changed $TMPH config.h
6236 enabled yasm && cp_if_changed $TMPASM config.asm
6239 /* Generated by ffconf */
6240 #ifndef AVUTIL_AVCONFIG_H
6241 #define AVUTIL_AVCONFIG_H
6244 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
6246 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
6248 cp_if_changed $TMPH libavutil/avconfig.h
6250 if test -n "$WARNINGS"; then
6251 printf "\n%s%s$WARNINGS%s" "$warn_color" "$bold_color" "$reset_color"
6252 enabled fatal_warnings && exit 1
6255 # build pkg-config files
6258 eval printf "\"lib${1}${build_suffix} >= \$LIB$(toupper ${1})_VERSION, \""
6261 pkgconfig_generate(){
6263 shortname=${name#lib}${build_suffix}
6267 requires=$(map 'lib_version $v' $(eval echo \$${name#lib}_deps))
6268 requires=${requires%, }
6269 enabled ${name#lib} || return 0
6271 cat <<EOF > $name/$name${build_suffix}.pc
6273 exec_prefix=\${prefix}
6278 Description: $comment
6280 Requires: $(enabled shared || echo $requires)
6281 Requires.private: $(enabled shared && echo $requires)
6283 Libs: -L\${libdir} $(enabled rpath && echo "-Wl,-rpath,\${libdir}") -l${shortname} $(enabled shared || echo $libs)
6284 Libs.private: $(enabled shared && echo $libs)
6285 Cflags: -I\${includedir}
6288 mkdir -p doc/examples/pc-uninstalled
6289 includedir=${source_path}
6290 [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."
6291 cat <<EOF > doc/examples/pc-uninstalled/$name.pc
6294 libdir=\${pcfiledir}/../../../$name
6295 includedir=${includedir}
6298 Description: $comment
6302 Libs: -L\${libdir} -Wl,-rpath,\${libdir} -l${shortname} $(enabled shared || echo $libs)
6303 Cflags: -I\${includedir}
6307 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBRT $LIBM"
6308 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs"
6309 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs"
6310 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs"
6311 pkgconfig_generate libavfilter "FFmpeg audio/video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
6312 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" ""
6313 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$LIBM"
6314 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM"
6315 pkgconfig_generate libswresample "FFmpeg audio resampling library" "$LIBSWRESAMPLE_VERSION" "$LIBM $LIBSOXR"