3 # FFmpeg configure script
5 # Copyright (c) 2000-2002 Fabrice Bellard
6 # Copyright (c) 2005-2008 Diego Biurrun
7 # Copyright (c) 2005-2008 Mans Rullgard
10 # Prevent locale nonsense from breaking basic text processing.
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
18 echo "Trying shell $1"
19 type "$1" > /dev/null 2>&1 && exec "$@"
23 (: ${foo%%bar}) 2> /dev/null
26 (: ${foo?}) 2> /dev/null
29 if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
32 if test "0$FF_CONF_EXEC" -lt 1; then
34 try_exec bash "$0" "$@"
36 if test "0$FF_CONF_EXEC" -lt 2; then
38 try_exec ksh "$0" "$@"
40 if test "0$FF_CONF_EXEC" -lt 3; then
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
44 echo "No compatible shell script interpreter found."
45 echo "This configure script requires a POSIX-compatible shell"
46 echo "such as bash or ksh."
47 echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken FFmpeg."
50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
57 test -d /usr/xpg4/bin && PATH=/usr/xpg4/bin:$PATH
61 Usage: configure [options]
62 Options: [defaults in brackets after descriptions]
65 --help print this message
66 --list-decoders show all available decoders
67 --list-encoders show all available encoders
68 --list-hwaccels show all available hardware accelerators
69 --list-demuxers show all available demuxers
70 --list-muxers show all available muxers
71 --list-parsers show all available parsers
72 --list-protocols show all available protocols
73 --list-bsfs show all available bitstream filters
74 --list-indevs show all available input devices
75 --list-outdevs show all available output devices
76 --list-filters show all available filters
79 --logfile=FILE log tests and output to FILE [config.log]
80 --disable-logging do not log configure debug information
81 --fatal-warnings fail if any configure warning is generated
82 --prefix=PREFIX install in PREFIX [$prefix]
83 --bindir=DIR install binaries in DIR [PREFIX/bin]
84 --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg]
85 --docdir=DIR install documentation in DIR [PREFIX/share/doc/ffmpeg]
86 --libdir=DIR install libs in DIR [PREFIX/lib]
87 --shlibdir=DIR install shared libs in DIR [LIBDIR]
88 --incdir=DIR install includes in DIR [PREFIX/include]
89 --mandir=DIR install man page in DIR [PREFIX/share/man]
90 --pkgconfigdir=DIR install pkg-config files in DIR [LIBDIR/pkgconfig]
91 --enable-rpath use rpath to allow installing libraries in paths
92 not part of the dynamic linker search path
93 use rpath when linking programs [USE WITH CARE]
96 --enable-gpl allow use of GPL code, the resulting libs
97 and binaries will be under GPL [no]
98 --enable-version3 upgrade (L)GPL to version 3 [no]
99 --enable-nonfree allow use of nonfree code, the resulting libs
100 and binaries will be unredistributable [no]
102 Configuration options:
103 --disable-static do not build static libraries [no]
104 --enable-shared build shared libraries [no]
105 --enable-small optimize for size instead of speed
106 --disable-runtime-cpudetect disable detecting cpu capabilities at runtime (smaller binary)
107 --enable-gray enable full grayscale support (slower color)
108 --disable-swscale-alpha disable alpha channel support in swscale
109 --disable-all disable building components, libraries and programs
110 --enable-incompatible-libav-abi enable incompatible Libav fork ABI [no]
111 --enable-raise-major increase major version numbers in sonames [no]
114 --disable-programs do not build command line programs
115 --disable-ffmpeg disable ffmpeg build
116 --disable-ffplay disable ffplay build
117 --disable-ffprobe disable ffprobe build
118 --disable-ffserver disable ffserver build
120 Documentation options:
121 --disable-doc do not build documentation
122 --disable-htmlpages do not build HTML documentation pages
123 --disable-manpages do not build man documentation pages
124 --disable-podpages do not build POD documentation pages
125 --disable-txtpages do not build text documentation pages
128 --disable-avdevice disable libavdevice build
129 --disable-avcodec disable libavcodec build
130 --disable-avformat disable libavformat build
131 --disable-swresample disable libswresample build
132 --disable-swscale disable libswscale build
133 --disable-postproc disable libpostproc build
134 --disable-avfilter disable libavfilter build
135 --enable-avresample enable libavresample build [no]
136 --disable-pthreads disable pthreads [autodetect]
137 --disable-w32threads disable Win32 threads [autodetect]
138 --disable-os2threads disable OS/2 threads [autodetect]
139 --disable-network disable network support [no]
140 --disable-dct disable DCT code
141 --disable-dwt disable DWT code
142 --disable-error-resilience disable error resilience code
143 --disable-lsp disable LSP code
144 --disable-lzo disable LZO decoder code
145 --disable-mdct disable MDCT code
146 --disable-rdft disable RDFT code
147 --disable-fft disable FFT code
148 --disable-faan disable floating point AAN (I)DCT code
149 --disable-pixelutils disable pixel utils in libavutil
151 Hardware accelerators:
152 --disable-d3d11va disable D3D11VA code [autodetect]
153 --disable-dxva2 disable DXVA2 code [autodetect]
154 --disable-vaapi disable VAAPI code [autodetect]
155 --disable-vda disable VDA code [autodetect]
156 --disable-vdpau disable VDPAU code [autodetect]
157 --enable-videotoolbox enable VideoToolbox code [autodetect]
159 Individual component options:
160 --disable-everything disable all components listed below
161 --disable-encoder=NAME disable encoder NAME
162 --enable-encoder=NAME enable encoder NAME
163 --disable-encoders disable all encoders
164 --disable-decoder=NAME disable decoder NAME
165 --enable-decoder=NAME enable decoder NAME
166 --disable-decoders disable all decoders
167 --disable-hwaccel=NAME disable hwaccel NAME
168 --enable-hwaccel=NAME enable hwaccel NAME
169 --disable-hwaccels disable all hwaccels
170 --disable-muxer=NAME disable muxer NAME
171 --enable-muxer=NAME enable muxer NAME
172 --disable-muxers disable all muxers
173 --disable-demuxer=NAME disable demuxer NAME
174 --enable-demuxer=NAME enable demuxer NAME
175 --disable-demuxers disable all demuxers
176 --enable-parser=NAME enable parser NAME
177 --disable-parser=NAME disable parser NAME
178 --disable-parsers disable all parsers
179 --enable-bsf=NAME enable bitstream filter NAME
180 --disable-bsf=NAME disable bitstream filter NAME
181 --disable-bsfs disable all bitstream filters
182 --enable-protocol=NAME enable protocol NAME
183 --disable-protocol=NAME disable protocol NAME
184 --disable-protocols disable all protocols
185 --enable-indev=NAME enable input device NAME
186 --disable-indev=NAME disable input device NAME
187 --disable-indevs disable input devices
188 --enable-outdev=NAME enable output device NAME
189 --disable-outdev=NAME disable output device NAME
190 --disable-outdevs disable output devices
191 --disable-devices disable all devices
192 --enable-filter=NAME enable filter NAME
193 --disable-filter=NAME disable filter NAME
194 --disable-filters disable all filters
196 External library support:
197 --enable-avisynth enable reading of AviSynth script files [no]
198 --disable-bzlib disable bzlib [autodetect]
199 --enable-chromaprint enable audio fingerprinting with chromaprint [no]
200 --enable-fontconfig enable fontconfig, useful for drawtext filter [no]
201 --enable-frei0r enable frei0r video filtering [no]
202 --enable-gnutls enable gnutls, needed for https support
203 if openssl is not used [no]
204 --disable-iconv disable iconv [autodetect]
205 --enable-ladspa enable LADSPA audio filtering [no]
206 --enable-libaacplus enable AAC+ encoding via libaacplus [no]
207 --enable-libass enable libass subtitles rendering,
208 needed for subtitles and ass filter [no]
209 --enable-libbluray enable BluRay reading using libbluray [no]
210 --enable-libbs2b enable bs2b DSP library [no]
211 --enable-libcaca enable textual display using libcaca [no]
212 --enable-libcelt enable CELT decoding via libcelt [no]
213 --enable-libcdio enable audio CD grabbing with libcdio [no]
214 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
216 --enable-libdcadec enable DCA decoding via libdcadec [no]
217 --enable-libfaac enable AAC encoding via libfaac [no]
218 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
219 --enable-libflite enable flite (voice synthesis) support via libflite [no]
220 --enable-libfreetype enable libfreetype, needed for drawtext filter [no]
221 --enable-libfribidi enable libfribidi, improves drawtext filter [no]
222 --enable-libgme enable Game Music Emu via libgme [no]
223 --enable-libgsm enable GSM de/encoding via libgsm [no]
224 --enable-libiec61883 enable iec61883 via libiec61883 [no]
225 --enable-libilbc enable iLBC de/encoding via libilbc [no]
226 --enable-libkvazaar enable HEVC encoding via libkvazaar [no]
227 --enable-libmfx enable HW acceleration through libmfx
228 --enable-libmodplug enable ModPlug via libmodplug [no]
229 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
230 --enable-libnut enable NUT (de)muxing via libnut,
231 native (de)muxer exists [no]
232 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
233 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
234 --enable-libopencv enable video filtering via libopencv [no]
235 --enable-libopenh264 enable H.264 encoding via OpenH264 [no]
236 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
237 --enable-libopus enable Opus de/encoding via libopus [no]
238 --enable-libpulse enable Pulseaudio input via libpulse [no]
239 --enable-librubberband enable rubberband needed for rubberband filter [no]
240 --enable-libquvi enable quvi input via libquvi [no]
241 --enable-librtmp enable RTMP[E] support via librtmp [no]
242 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
243 --enable-libshine enable fixed-point MP3 encoding via libshine [no]
244 --enable-libsmbclient enable Samba protocol via libsmbclient [no]
245 --enable-libsnappy enable Snappy compression, needed for hap encoding [no]
246 --enable-libsoxr enable Include libsoxr resampling [no]
247 --enable-libspeex enable Speex de/encoding via libspeex [no]
248 --enable-libssh enable SFTP protocol via libssh [no]
249 --enable-libstagefright-h264 enable H.264 decoding via libstagefright [no]
250 --enable-libtesseract enable Tesseract, needed for ocr filter [no]
251 --enable-libtheora enable Theora encoding via libtheora [no]
252 --enable-libtwolame enable MP2 encoding via libtwolame [no]
253 --enable-libutvideo enable Ut Video encoding and decoding via libutvideo [no]
254 --enable-libv4l2 enable libv4l2/v4l-utils [no]
255 --enable-libvidstab enable video stabilization using vid.stab [no]
256 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
257 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
258 --enable-libvorbis enable Vorbis en/decoding via libvorbis,
259 native implementation exists [no]
260 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
261 --enable-libwavpack enable wavpack encoding via libwavpack [no]
262 --enable-libwebp enable WebP encoding via libwebp [no]
263 --enable-libx264 enable H.264 encoding via x264 [no]
264 --enable-libx265 enable HEVC encoding via x265 [no]
265 --enable-libxavs enable AVS encoding via xavs [no]
266 --enable-libxcb enable X11 grabbing using XCB [autodetect]
267 --enable-libxcb-shm enable X11 grabbing shm communication [autodetect]
268 --enable-libxcb-xfixes enable X11 grabbing mouse rendering [autodetect]
269 --enable-libxcb-shape enable X11 grabbing shape rendering [autodetect]
270 --enable-libxvid enable Xvid encoding via xvidcore,
271 native MPEG-4/Xvid encoder exists [no]
272 --enable-libzimg enable z.lib, needed for zscale filter [no]
273 --enable-libzmq enable message passing via libzmq [no]
274 --enable-libzvbi enable teletext support via libzvbi [no]
275 --disable-lzma disable lzma [autodetect]
276 --enable-decklink enable Blackmagick DeckLink I/O support [no]
277 --enable-mmal enable decoding via MMAL [no]
278 --enable-nvenc enable NVIDIA NVENC support [no]
279 --enable-openal enable OpenAL 1.1 capture support [no]
280 --enable-opencl enable OpenCL code
281 --enable-opengl enable OpenGL rendering [no]
282 --enable-openssl enable openssl, needed for https support
283 if gnutls is not used [no]
284 --disable-schannel disable SChannel SSP, needed for TLS support on
285 Windows if openssl and gnutls are not used [autodetect]
286 --disable-sdl disable sdl [autodetect]
287 --disable-securetransport disable Secure Transport, needed for TLS support
288 on OSX if openssl and gnutls are not used [autodetect]
289 --enable-x11grab enable X11 grabbing (legacy) [no]
290 --disable-xlib disable xlib [autodetect]
291 --disable-zlib disable zlib [autodetect]
294 --arch=ARCH select architecture [$arch]
295 --cpu=CPU select the minimum required CPU (affects
296 instruction selection, may crash on older CPUs)
297 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
298 --progs-suffix=SUFFIX program name suffix []
299 --enable-cross-compile assume a cross-compiler is used
300 --sysroot=PATH root of cross-build tree
301 --sysinclude=PATH location of cross-build system headers
302 --target-os=OS compiler targets OS [$target_os]
303 --target-exec=CMD command to run executables on target
304 --target-path=DIR path to view of build directory on target
305 --target-samples=DIR path to samples directory on target
306 --tempprefix=PATH force fixed dir/prefix instead of mktemp for checks
307 --toolchain=NAME set tool defaults according to NAME
308 --nm=NM use nm tool NM [$nm_default]
309 --ar=AR use archive tool AR [$ar_default]
310 --as=AS use assembler AS [$as_default]
311 --windres=WINDRES use windows resource compiler WINDRES [$windres_default]
312 --yasmexe=EXE use yasm-compatible assembler EXE [$yasmexe_default]
313 --cc=CC use C compiler CC [$cc_default]
314 --cxx=CXX use C compiler CXX [$cxx_default]
315 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
316 --ld=LD use linker LD [$ld_default]
317 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
318 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
319 --ranlib=RANLIB use ranlib RANLIB [$ranlib_default]
320 --doxygen=DOXYGEN use DOXYGEN to generate API doc [$doxygen_default]
321 --host-cc=HOSTCC use host C compiler HOSTCC
322 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
323 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
324 --host-ld=HOSTLD use host linker HOSTLD
325 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
326 --host-libs=HLIBS use libs HLIBS when linking for host
327 --host-os=OS compiler host OS [$target_os]
328 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
329 --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
330 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
331 --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
332 --extra-ldlibflags=ELDFLAGS add ELDFLAGS to LDLIBFLAGS [$LDLIBFLAGS]
333 --extra-libs=ELIBS add ELIBS [$ELIBS]
334 --extra-version=STRING version string suffix []
335 --optflags=OPTFLAGS override optimization-related compiler flags
336 --build-suffix=SUFFIX library name suffix []
337 --enable-pic build position-independent code
338 --enable-thumb compile for Thumb instruction set
339 --enable-lto use link-time optimization
340 --env="ENV=override" override the environment variables
342 Advanced options (experts only):
343 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
344 --custom-allocator=NAME use a supported custom allocator
345 --disable-symver disable symbol versioning
346 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
347 --disable-safe-bitstream-reader
348 disable buffer boundary checking in bitreaders
349 (faster, but may crash)
350 --enable-memalign-hack emulate memalign, interferes with memory debuggers
351 --sws-max-filter-size=N the max filter size swscale uses [$sws_max_filter_size_default]
353 Optimization options (experts only):
354 --disable-asm disable all assembly optimizations
355 --disable-altivec disable AltiVec optimizations
356 --disable-vsx disable VSX optimizations
357 --disable-power8 disable POWER8 optimizations
358 --disable-amd3dnow disable 3DNow! optimizations
359 --disable-amd3dnowext disable 3DNow! extended optimizations
360 --disable-mmx disable MMX optimizations
361 --disable-mmxext disable MMXEXT optimizations
362 --disable-sse disable SSE optimizations
363 --disable-sse2 disable SSE2 optimizations
364 --disable-sse3 disable SSE3 optimizations
365 --disable-ssse3 disable SSSE3 optimizations
366 --disable-sse4 disable SSE4 optimizations
367 --disable-sse42 disable SSE4.2 optimizations
368 --disable-avx disable AVX optimizations
369 --disable-xop disable XOP optimizations
370 --disable-fma3 disable FMA3 optimizations
371 --disable-fma4 disable FMA4 optimizations
372 --disable-avx2 disable AVX2 optimizations
373 --disable-aesni disable AESNI optimizations
374 --disable-armv5te disable armv5te optimizations
375 --disable-armv6 disable armv6 optimizations
376 --disable-armv6t2 disable armv6t2 optimizations
377 --disable-vfp disable VFP optimizations
378 --disable-neon disable NEON optimizations
379 --disable-inline-asm disable use of inline assembly
380 --disable-yasm disable use of nasm/yasm assembly
381 --disable-mips32r5 disable MIPS32R5 optimizations
382 --disable-mips64r6 disable MIPS64R6 optimizations
383 --disable-mipsdspr1 disable MIPS DSP ASE R1 optimizations
384 --disable-mipsdspr2 disable MIPS DSP ASE R2 optimizations
385 --disable-msa disable MSA optimizations
386 --disable-mipsfpu disable floating point MIPS optimizations
387 --disable-mmi disable Loongson SIMD optimizations
388 --disable-fast-unaligned consider unaligned accesses slow
390 Developer options (useful when working on FFmpeg itself):
391 --disable-debug disable debugging symbols
392 --enable-debug=LEVEL set the debug level [$debuglevel]
393 --disable-optimizations disable compiler optimizations
394 --enable-extra-warnings enable more compiler warnings
395 --disable-stripping disable stripping of executables and shared libraries
396 --assert-level=level 0(default), 1 or 2, amount of assertion testing,
397 2 causes a slowdown at runtime.
398 --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
399 --valgrind=VALGRIND run "make fate" tests through valgrind to detect memory
400 leaks and errors, using the specified valgrind binary.
401 Cannot be combined with --target-exec
402 --enable-ftrapv Trap arithmetic overflows
403 --samples=PATH location of test samples for FATE, if not set use
404 \$FATE_SAMPLES at make invocation time.
405 --enable-neon-clobber-test check NEON registers for clobbering (should be
406 used only for debugging purposes)
407 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
408 should be used only for debugging purposes)
409 --enable-random randomly enable/disable components
411 --enable-random=LIST randomly enable/disable specific components or
412 --disable-random=LIST component groups. LIST is a comma-separated list
413 of NAME[:PROB] entries where NAME is a component
414 (group) and PROB the probability associated with
416 --random-seed=VALUE seed value for --enable/disable-random
417 --disable-valgrind-backtrace do not print a backtrace under Valgrind
418 (only applies to --disable-optimizations builds)
420 NOTE: Object files are built at the place where configure is launched.
426 if test -t 1 && which tput >/dev/null 2>&1; then
427 ncolors=$(tput colors)
428 if test -n "$ncolors" && test $ncolors -ge 8; then
429 bold_color=$(tput bold)
430 warn_color=$(tput setaf 3)
431 error_color=$(tput setaf 1)
432 reset_color=$(tput sgr0)
434 # 72 used instead of 80 since that's the default of pr
440 echo "$@" >> $logfile
445 pr -n -t $1 >> $logfile
451 WARNINGS="${WARNINGS}WARNING: $*\n"
456 echo "$error_color$bold_color$@$reset_color"
459 If you think configure made a mistake, make sure you are using the latest
460 version from Git. If the latest version fails, report the problem to the
461 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
463 if disabled logging; then
465 Rerun configure with logging enabled (do not use --disable-logging), and
466 include the log this produces with your report.
470 Include the log file "$logfile" produced by configure as this will help
477 # Avoid locale weirdness, besides we really just want to translate ASCII.
479 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
483 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
487 echo "$*" | sed 's/["\\]/\\\0/g'
491 v=$(echo "$1" | sed "s/'/'\\\\''/g")
492 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
497 echo "$@" | sed 's/^ *//;s/[[:space:]][[:space:]]*/ /g;s/ *$//'
504 eval "case $v in $pat) echo $v ;; esac"
512 eval "case $v in $pat) ;; *) echo $v ;; esac"
519 for v; do eval $m; done
525 for v; do echo ${v}${suffix}; done
540 eval : \${$var:=$value}
545 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
551 eval $(sanitize_var_name "$var")='$*'
555 eval echo \$$(sanitize_var_name "$1")
560 eval level=\${${pvar}_level:=0}
561 eval ${pvar}_${level}="\$$pvar"
562 eval ${pvar}_level=$(($level+1))
568 eval level=\${${pvar}_level:-0}
569 test $level = 0 && continue
570 eval level=$(($level-1))
571 eval $pvar="\${${pvar}_${level}}"
572 eval ${pvar}_level=$level
573 eval unset ${pvar}_${level}
595 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
601 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
607 enabled $var && continue
608 eval sel="\$${var}_select"
609 eval sgs="\$${var}_suggest"
613 enable_deep_weak $sgs
625 disabled $var && continue
634 test "${1#!}" = "$1" && op='=' || op=!=
635 eval test "x\$${1#!}" $op "xyes"
639 test "${1#!}" = "$1" && op='=' || op=!=
640 eval test "x\$${1#!}" $op "xno"
645 enabled $opt || return 1
651 disabled $opt || return 1
657 enabled $opt && return 0
663 disabled $opt && return 0
670 eval : \${$opt:=\$${opt}_default}
678 [ $var = $value ] && return 0
686 enabled ${cfg}_checking && die "Circular dependency for $cfg."
687 disabled ${cfg}_checking && continue
688 enable ${cfg}_checking
691 eval dep_all="\$${cfg}_deps"
692 eval dep_any="\$${cfg}_deps_any"
693 eval dep_sel="\$${cfg}_select"
694 eval dep_sgs="\$${cfg}_suggest"
695 eval dep_ifa="\$${cfg}_if"
696 eval dep_ifn="\$${cfg}_if_any"
698 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
699 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
700 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
702 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
703 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
704 enabled_all $dep_all || disable $cfg
705 enabled_any $dep_any || disable $cfg
706 disabled_any $dep_sel && disable $cfg
708 if enabled $cfg; then
710 enable_deep_weak $dep_sgs
713 disable ${cfg}_checking
722 for cfg in $allopts; do
723 enabled $cfg || continue
724 eval dep_extralibs="\$${cfg}_extralibs"
725 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
733 map 'eval echo "$v \${$v:-no}"' "$@" |
734 awk "BEGIN { split(\"$files\", files) }
736 c = \"$pfx\" toupper(\$1);
742 if (file ~ /\\.h\$/) {
743 printf(\"#define %s %d\\n\", c, v) >>file;
744 } else if (file ~ /\\.asm\$/) {
745 printf(\"%%define %s %d\\n\", c, v) >>file;
746 } else if (file ~ /\\.mak\$/) {
747 n = -v ? \"\" : \"!\";
748 printf(\"%s%s=yes\\n\", n, c) >>file;
749 } else if (file ~ /\\.texi\$/) {
750 pre = -v ? \"\" : \"@c \";
753 gsub(/_/, \"-\", c2);
754 printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
764 enabled $v && printf "%s\n" ${v%$suf};
771 eval "$var=\"\$$var $*\""
777 eval "$var=\"$* \$$var\""
783 for tok in $(eval echo \$$var); do
784 uniq_list="$(filter_out $tok $uniq_list) $tok"
786 eval "$var=\"${uniq_list}\""
794 append CFLAGS $($cflags_filter "$@")
798 append CXXFLAGS $($cflags_filter "$@")
802 append ASFLAGS $($asflags_filter "$@")
806 append LDFLAGS $($ldflags_filter "$@")
810 append LDEXEFLAGS $($ldflags_filter "$@")
814 append LDLIBFLAGS $($ldflags_filter "$@")
818 append ASMSTRIPFLAGS "$@"
822 prepend extralibs $($ldflags_filter "$@")
826 append host_cppflags "$@"
830 append host_cflags $($host_cflags_filter "$@")
834 append host_ldflags $($host_ldflags_filter "$@")
838 append compat_objs $1
840 map 'add_cppflags -D$v' "$@"
845 "$@" >> $logfile 2>&1
850 stat "$1" >> $logfile 2>&1
854 eval printf '%s\\n' $CC_O
858 eval printf '%s\\n' $CC_E
865 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
872 check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
879 check_cmd $cc -Werror=missing-prototypes $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPM
886 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
890 eval printf '%s\\n' $AS_O
897 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
901 log check_inline_asm "$@"
906 check_cc "$@" <<EOF && enable $name
907 void foo(void){ __asm__ volatile($code); }
913 check_inline_asm ${1}_inline "\"$2\""
914 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
922 check_cmd $yasmexe $YASMFLAGS -Werror "$@" -o $TMPO $TMPS
926 eval printf '%s\\n' $LD_O
933 flags=$(filter_out '-l*|*.so' $@)
934 libs=$(filter '-l*|*.so' $@)
935 check_$type $($cflags_filter $flags) || return
936 flags=$($ldflags_filter $flags)
937 libs=$($ldflags_filter $libs)
938 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
943 test "${hdr%.h}" = "${hdr}" &&
944 echo "#include $hdr" ||
945 echo "#include <$hdr>"
955 for hdr in $headers; do
958 echo "int main(void) { $code; return 0; }"
959 } | check_$check "$@"
963 log check_cppflags "$@"
964 check_cc "$@" <<EOF && append CPPFLAGS "$@"
971 set -- $($cflags_filter "$@")
978 log check_cflags "$@"
979 test_cflags "$@" && add_cflags "$@"
983 log check_cxxflags "$@"
984 set -- $($cflags_filter "$@")
985 check_cxx "$@" <<EOF && append CXXFLAGS "$@"
991 log test_ldflags "$@"
992 check_ld "cc" "$@" <<EOF
993 int main(void){ return 0; }
998 log check_ldflags "$@"
999 test_ldflags "$@" && add_ldflags "$@"
1003 log test_stripflags "$@"
1004 # call check_cc to get a fresh TMPO
1006 int main(void) { return 0; }
1008 check_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO
1012 log check_stripflags "$@"
1013 test_stripflags "$@" && add_stripflags "$@"
1017 log check_header "$@"
1020 disable_safe $header
1021 check_cpp "$@" <<EOF && enable_safe $header
1028 log check_header_oc "$@"
1032 disable_safe $header
1034 echo "#include <$header>"
1035 echo "int main(void) { return 0; }"
1036 } | check_oc && check_stat "$TMPO" && enable_safe $headers
1044 check_ld "cc" "$@" <<EOF && enable $func
1046 int main(void){ $func(); }
1051 log check_mathfunc "$@"
1055 test $narg = 2 && args="f, g" || args="f"
1057 check_ld "cc" "$@" <<EOF && enable $func
1059 float foo(float f, float g) { return $func($args); }
1060 int main(void){ return (int) foo; }
1064 check_func_headers(){
1065 log check_func_headers "$@"
1070 for hdr in $headers; do
1073 for func in $funcs; do
1074 echo "long check_$func(void) { return (long) $func; }"
1076 echo "int main(void) { return 0; }"
1077 } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
1080 check_class_headers_cpp(){
1081 log check_class_headers_cpp "$@"
1086 for hdr in $headers; do
1087 echo "#include <$hdr>"
1089 echo "int main(void) { "
1091 for class in $classes; do
1092 echo "$class obj$i;"
1096 } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
1099 check_cpp_condition(){
1100 log check_cpp_condition "$@"
1104 check_cpp "$@" <<EOF
1107 #error "unsatisfied condition: $condition"
1117 check_header $header && check_func $func "$@" && add_extralibs "$@"
1125 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
1129 log check_lib_cpp "$@"
1133 check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
1137 log check_pkg_config "$@"
1143 check_cmd $pkg_config --exists --print-errors $pkgandversion || return
1144 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1145 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1146 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1147 set_safe "${pkg}_cflags" $pkg_cflags &&
1148 set_safe "${pkg}_libs" $pkg_libs
1152 check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1158 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1159 # are safe but may not be available everywhere. Thus we use
1160 # raise(SIGTERM) instead. The check is run in a subshell so we
1161 # can redirect the "Terminated" message from the shell. SIGBUS
1162 # is not defined by standard C so it is used conditionally.
1164 (check_exec "$@") >> $logfile 2>&1 <<EOF
1166 static void sighandler(int sig){
1172 int (*func_ptr)(void) = foo;
1174 signal(SIGILL, sighandler);
1175 signal(SIGFPE, sighandler);
1176 signal(SIGSEGV, sighandler);
1178 signal(SIGBUS, sighandler);
1190 disable_safe "$type"
1191 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1195 log check_struct "$@"
1200 disable_safe "${struct}_${member}"
1201 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1202 enable_safe "${struct}_${member}"
1206 log check_builtin "$@"
1212 check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1215 check_compile_assert(){
1216 log check_compile_assert "$@"
1222 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1230 check_lib $header $func "$@" || die "ERROR: $name not found"
1238 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1246 check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1251 check_pkg_config "$@" || return 1
1252 add_cflags $(get_safe "${pkg}_cflags")
1253 add_extralibs $(get_safe "${pkg}_libs")
1256 require_pkg_config(){
1257 use_pkg_config "$@" || die "ERROR: $pkg not found using pkg-config$pkg_config_fail_message"
1260 require_libfreetype(){
1261 log require_libfreetype "$@"
1263 check_cmd $pkg_config --exists --print-errors $pkg \
1264 || die "ERROR: $pkg not found"
1265 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1266 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1268 echo "#include <ft2build.h>"
1269 echo "#include FT_FREETYPE_H"
1270 echo "long check_func(void) { return (long) FT_Init_FreeType; }"
1271 echo "int main(void) { return 0; }"
1272 } | check_ld "cc" $pkg_cflags $pkg_libs \
1273 && set_safe "${pkg}_cflags" $pkg_cflags \
1274 && set_safe "${pkg}_libs" $pkg_libs \
1275 || die "ERROR: $pkg not found"
1276 add_cflags $(get_safe "${pkg}_cflags")
1277 add_extralibs $(get_safe "${pkg}_libs")
1281 eval printf '%s\\n' $HOSTCC_E
1285 eval printf '%s\\n' $HOSTCC_O
1289 log check_host_cc "$@"
1292 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1296 log check_host_cpp "$@"
1299 check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1302 check_host_cppflags(){
1303 log check_host_cppflags "$@"
1304 check_host_cc "$@" <<EOF && append host_cppflags "$@"
1309 check_host_cflags(){
1310 log check_host_cflags "$@"
1311 set -- $($host_cflags_filter "$@")
1312 check_host_cc "$@" <<EOF && append host_cflags "$@"
1317 check_host_cpp_condition(){
1318 log check_host_cpp_condition "$@"
1322 check_host_cpp "$@" <<EOF
1325 #error "unsatisfied condition: $condition"
1331 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1332 mkdir -p "$(dirname $2)"
1336 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1337 # system-dependent things.
1339 AVCODEC_COMPONENTS="
1347 AVDEVICE_COMPONENTS="
1351 AVFILTER_COMPONENTS="
1354 AVFORMAT_COMPONENTS="
1360 AVRESAMPLE_COMPONENTS=""
1361 AVUTIL_COMPONENTS=""
1365 $AVDEVICE_COMPONENTS
1366 $AVFILTER_COMPONENTS
1367 $AVFORMAT_COMPONENTS
1368 $AVRESAMPLE_COMPONENTS
1373 avio_reading_example
1374 avio_dir_cmd_example
1375 decoding_encoding_example
1376 demuxing_decoding_example
1378 filter_audio_example
1379 filtering_audio_example
1380 filtering_video_example
1385 resampling_audio_example
1386 scaling_video_example
1387 transcode_aac_example
1391 EXTERNAL_LIBRARY_LIST="
1494 safe_bitstream_reader
1555 $EXTERNAL_LIBRARY_LIST
1563 incompatible_libav_abi
1625 ARCH_EXT_LIST_MIPS="
1635 ARCH_EXT_LIST_LOONGSON="
1641 ARCH_EXT_LIST_X86_SIMD="
1670 $ARCH_EXT_LIST_X86_SIMD
1680 $ARCH_EXT_LIST_LOONGSON
1696 atomic_compare_exchange
1702 sync_val_compare_and_swap
1713 incompatible_libav_abi
1722 cdio_paranoia_paranoia_h
1723 dev_bktr_ioctl_bt848_h
1724 dev_bktr_ioctl_meteor_h
1726 dev_video_bktr_ioctl_bt848_h
1727 dev_video_meteor_ioctl_meteor_h
1737 machine_ioctl_bt848_h
1738 machine_ioctl_meteor_h
1740 openjpeg_1_5_openjpeg_h
1811 GetProcessAffinityMask
1812 GetProcessMemoryInfo
1815 GetSystemTimeAsFileTime
1822 jack_port_get_latency_range
1838 SetConsoleTextAttribute
1839 SetConsoleCtrlHandler
1847 UTGetOSTypeFromString
1852 TOOLCHAIN_FEATURES="
1865 inline_asm_nonlocal_labels
1866 inline_asm_direct_symbol_refs
1877 CONDITION_VARIABLE_Ptr
1880 struct_dcadec_exss_info_matrix_encoding
1881 struct_group_source_req
1882 struct_ip_mreq_source
1885 struct_rusage_ru_maxrss
1886 struct_sctp_event_subscribe
1888 struct_sockaddr_sa_len
1889 struct_sockaddr_storage
1890 struct_stat_st_mtim_tv_nsec
1891 struct_v4l2_frmivalenum_discrete
1896 $(add_suffix _external $ARCH_EXT_LIST)
1897 $(add_suffix _inline $ARCH_EXT_LIST)
1931 # options emitted with CONFIG_ prefix but not available on the command line
1947 frame_thread_encoder
2089 # code dependency declarations
2091 # architecture extensions
2096 armv8_deps="aarch64"
2097 neon_deps_any="aarch64 arm"
2098 intrinsics_neon_deps="neon"
2099 vfp_deps_any="aarch64 arm"
2103 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
2106 mipsdspr1_deps="mips"
2107 mipsdspr2_deps="mips"
2108 mips32r2_deps="mips"
2109 mips32r5_deps="mips"
2110 mips64r6_deps="mips"
2122 x86_64_select="i686"
2123 x86_64_suggest="fast_cmov"
2126 amd3dnowext_deps="amd3dnow"
2143 mmx_external_deps="yasm"
2144 mmx_inline_deps="inline_asm"
2145 mmx_suggest="mmx_external mmx_inline"
2147 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
2148 eval dep=\$${ext}_deps
2149 eval ${ext}_external_deps='"${dep}_external"'
2150 eval ${ext}_inline_deps='"${dep}_inline"'
2151 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
2154 aligned_stack_if_any="aarch64 ppc x86"
2155 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
2156 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
2157 fast_unaligned_if_any="aarch64 ppc x86"
2158 simd_align_16_if_any="altivec neon sse"
2160 # system capabilities
2161 symver_if_any="symver_asm_label symver_gnu_asm"
2162 valgrind_backtrace_deps="!optimizations valgrind_valgrind_h"
2165 atomics_gcc_if_any="sync_val_compare_and_swap atomic_compare_exchange"
2166 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
2167 atomics_win32_if="MemoryBarrier"
2168 atomics_native_if_any="$ATOMICS_LIST"
2169 w32threads_deps="atomics_native"
2170 threads_if_any="$THREADS_LIST"
2174 error_resilience_select="me_cmp"
2175 faandct_deps="faan fdctdsp"
2176 faanidct_deps="faan idctdsp"
2177 frame_thread_encoder_deps="encoders threads"
2178 intrax8_select="error_resilience"
2181 me_cmp_select="fdctdsp idctdsp pixblockdsp"
2182 mpeg_er_select="error_resilience"
2183 mpegaudio_select="mpegaudiodsp"
2184 mpegaudiodsp_select="dct"
2185 mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp mpeg_er videodsp"
2186 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
2190 # decoders / encoders
2191 aac_decoder_select="imdct15 mdct sinewin"
2192 aac_fixed_decoder_select="mdct sinewin"
2193 aac_encoder_select="audio_frame_queue iirfilter lpc mdct sinewin"
2194 aac_latm_decoder_select="aac_decoder aac_latm_parser"
2195 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
2196 ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"
2197 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
2198 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
2199 adpcm_g722_decoder_select="g722dsp"
2200 adpcm_g722_encoder_select="g722dsp"
2201 aic_decoder_select="golomb idctdsp"
2202 alac_encoder_select="lpc"
2203 als_decoder_select="bswapdsp"
2204 amrnb_decoder_select="lsp"
2205 amrwb_decoder_select="lsp"
2206 amv_decoder_select="sp5x_decoder exif"
2207 amv_encoder_select="aandcttables jpegtables mpegvideoenc"
2208 ape_decoder_select="bswapdsp llauddsp"
2209 apng_decoder_select="zlib"
2210 apng_encoder_select="huffyuvencdsp zlib"
2211 asv1_decoder_select="blockdsp bswapdsp idctdsp"
2212 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
2213 asv2_decoder_select="blockdsp bswapdsp idctdsp"
2214 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
2215 atrac1_decoder_select="mdct sinewin"
2216 atrac3_decoder_select="mdct"
2217 atrac3p_decoder_select="mdct sinewin"
2218 avrn_decoder_select="exif jpegtables"
2219 bink_decoder_select="blockdsp hpeldsp"
2220 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
2221 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
2222 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
2223 cllc_decoder_select="bswapdsp"
2224 comfortnoise_encoder_select="lpc"
2225 cook_decoder_select="audiodsp mdct sinewin"
2226 cscd_decoder_select="lzo"
2227 cscd_decoder_suggest="zlib"
2228 dca_decoder_select="fmtconvert mdct"
2229 dds_decoder_select="texturedsp"
2230 dirac_decoder_select="dwt golomb videodsp mpegvideoenc"
2231 dnxhd_decoder_select="blockdsp idctdsp"
2232 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
2233 dvvideo_decoder_select="dvprofile idctdsp"
2234 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
2235 dxa_decoder_select="zlib"
2236 dxv_decoder_select="lzf texturedsp"
2237 eac3_decoder_select="ac3_decoder"
2238 eac3_encoder_select="ac3_encoder"
2239 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
2240 eatgq_decoder_select="aandcttables"
2241 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpeg1video_decoder"
2242 exr_decoder_select="zlib"
2243 ffv1_decoder_select="golomb rangecoder"
2244 ffv1_encoder_select="rangecoder"
2245 ffvhuff_decoder_select="huffyuv_decoder"
2246 ffvhuff_encoder_select="huffyuv_encoder"
2247 fic_decoder_select="golomb"
2248 flac_decoder_select="flacdsp golomb"
2249 flac_encoder_select="bswapdsp flacdsp golomb lpc"
2250 flashsv_decoder_select="zlib"
2251 flashsv_encoder_select="zlib"
2252 flashsv2_encoder_select="zlib"
2253 flashsv2_decoder_select="zlib"
2254 flv_decoder_select="h263_decoder"
2255 flv_encoder_select="h263_encoder"
2256 fourxm_decoder_select="blockdsp bswapdsp"
2257 fraps_decoder_select="bswapdsp huffman"
2258 g2m_decoder_select="blockdsp idctdsp jpegtables zlib"
2259 g729_decoder_select="audiodsp"
2260 h261_decoder_select="mpegvideo"
2261 h261_encoder_select="aandcttables mpegvideoenc"
2262 h263_decoder_select="h263_parser h263dsp mpegvideo qpeldsp"
2263 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
2264 h263i_decoder_select="h263_decoder"
2265 h263p_decoder_select="h263_decoder"
2266 h263p_encoder_select="h263_encoder"
2267 h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel startcode videodsp"
2268 h264_decoder_suggest="error_resilience"
2269 h264_qsv_decoder_deps="libmfx"
2270 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
2271 h264_qsv_encoder_deps="libmfx"
2272 h264_qsv_encoder_select="qsvenc"
2273 hap_decoder_select="snappy texturedsp"
2274 hap_encoder_deps="libsnappy"
2275 hap_encoder_select="texturedspenc"
2276 hevc_decoder_select="bswapdsp cabac golomb videodsp"
2277 hevc_qsv_encoder_deps="libmfx"
2278 hevc_qsv_decoder_deps="libmfx"
2279 hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec hevc_qsv_hwaccel"
2280 hevc_qsv_encoder_select="qsvenc"
2281 huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"
2282 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llviddsp"
2283 iac_decoder_select="imc_decoder"
2284 imc_decoder_select="bswapdsp fft mdct sinewin"
2285 indeo3_decoder_select="hpeldsp"
2286 indeo4_decoder_select="ividsp"
2287 indeo5_decoder_select="ividsp"
2288 interplay_video_decoder_select="hpeldsp"
2289 jpegls_decoder_select="golomb mjpeg_decoder"
2290 jpegls_encoder_select="golomb"
2291 jv_decoder_select="blockdsp"
2292 lagarith_decoder_select="huffyuvdsp"
2293 ljpeg_encoder_select="aandcttables idctdsp jpegtables"
2294 loco_decoder_select="golomb"
2295 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2296 metasound_decoder_select="lsp mdct sinewin"
2297 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2298 mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"
2299 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
2300 mjpegb_decoder_select="mjpeg_decoder"
2301 mlp_decoder_select="mlp_parser"
2302 motionpixels_decoder_select="bswapdsp"
2303 mp1_decoder_select="mpegaudio"
2304 mp1float_decoder_select="mpegaudio"
2305 mp2_decoder_select="mpegaudio"
2306 mp2float_decoder_select="mpegaudio"
2307 mp3_decoder_select="mpegaudio"
2308 mp3adu_decoder_select="mpegaudio"
2309 mp3adufloat_decoder_select="mpegaudio"
2310 mp3float_decoder_select="mpegaudio"
2311 mp3on4_decoder_select="mpegaudio"
2312 mp3on4float_decoder_select="mpegaudio"
2313 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2314 mpc8_decoder_select="mpegaudiodsp"
2315 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
2316 mpeg_xvmc_decoder_select="mpeg2video_decoder"
2317 mpegvideo_decoder_select="mpegvideo"
2318 mpeg1video_decoder_select="mpegvideo"
2319 mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"
2320 mpeg2video_decoder_select="mpegvideo"
2321 mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"
2322 mpeg2_qsv_decoder_deps="libmfx"
2323 mpeg2_qsv_decoder_select="qsvdec mpeg2_qsv_hwaccel"
2324 mpeg2_qsv_encoder_deps="libmfx"
2325 mpeg2_qsv_encoder_select="qsvenc"
2326 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2327 mpeg4_encoder_select="h263_encoder"
2328 msa1_decoder_select="mss34dsp"
2329 msmpeg4v1_decoder_select="h263_decoder"
2330 msmpeg4v2_decoder_select="h263_decoder"
2331 msmpeg4v2_encoder_select="h263_encoder"
2332 msmpeg4v3_decoder_select="h263_decoder"
2333 msmpeg4v3_encoder_select="h263_encoder"
2334 mss2_decoder_select="vc1_decoder"
2335 mts2_decoder_select="mss34dsp"
2336 mxpeg_decoder_select="mjpeg_decoder"
2337 nellymoser_decoder_select="mdct sinewin"
2338 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2339 nuv_decoder_select="idctdsp lzo"
2340 on2avc_decoder_select="mdct"
2341 opus_decoder_deps="swresample"
2342 opus_decoder_select="imdct15"
2343 png_decoder_select="zlib"
2344 png_encoder_select="huffyuvencdsp zlib"
2345 prores_decoder_select="blockdsp idctdsp"
2346 prores_encoder_select="fdctdsp"
2347 qcelp_decoder_select="lsp"
2348 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2349 ra_144_encoder_select="audio_frame_queue lpc audiodsp"
2350 ra_144_decoder_select="audiodsp"
2351 ralf_decoder_select="golomb"
2352 rawvideo_decoder_select="bswapdsp"
2353 rscc_decoder_select="zlib"
2354 rtjpeg_decoder_select="me_cmp"
2355 rv10_decoder_select="h263_decoder"
2356 rv10_encoder_select="h263_encoder"
2357 rv20_decoder_select="h263_decoder"
2358 rv20_encoder_select="h263_encoder"
2359 rv30_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2360 rv40_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2361 screenpresso_decoder_select="zlib"
2362 shorten_decoder_select="golomb"
2363 sipr_decoder_select="lsp"
2364 snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"
2365 snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"
2366 sonic_decoder_select="golomb rangecoder"
2367 sonic_encoder_select="golomb rangecoder"
2368 sonic_ls_encoder_select="golomb rangecoder"
2369 sp5x_decoder_select="mjpeg_decoder"
2370 svq1_decoder_select="hpeldsp"
2371 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2372 svq3_decoder_select="h264_decoder hpeldsp tpeldsp"
2373 svq3_decoder_suggest="zlib"
2374 tak_decoder_select="audiodsp"
2375 tdsc_decoder_select="zlib mjpeg_decoder"
2376 theora_decoder_select="vp3_decoder"
2377 thp_decoder_select="mjpeg_decoder"
2378 tiff_decoder_suggest="zlib lzma"
2379 tiff_encoder_suggest="zlib"
2380 truehd_decoder_select="mlp_parser"
2381 truemotion2_decoder_select="bswapdsp"
2382 truespeech_decoder_select="bswapdsp"
2383 tscc_decoder_select="zlib"
2384 twinvq_decoder_select="mdct lsp sinewin"
2385 txd_decoder_select="texturedsp"
2386 utvideo_decoder_select="bswapdsp"
2387 utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"
2388 vble_decoder_select="huffyuvdsp"
2389 vc1_decoder_select="blockdsp h263_decoder h264qpel intrax8 qpeldsp startcode"
2390 vc1image_decoder_select="vc1_decoder"
2391 vc1_qsv_decoder_deps="libmfx"
2392 vc1_qsv_decoder_select="qsvdec vc1_qsv_hwaccel"
2393 vorbis_decoder_select="mdct"
2394 vorbis_encoder_select="mdct"
2395 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2396 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"
2397 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"
2398 vp6a_decoder_select="vp6_decoder"
2399 vp6f_decoder_select="vp6_decoder"
2400 vp7_decoder_select="h264pred videodsp vp8dsp"
2401 vp8_decoder_select="h264pred videodsp vp8dsp"
2402 vp9_decoder_select="videodsp vp9_parser"
2403 webp_decoder_select="vp8_decoder"
2404 wmalossless_decoder_select="llauddsp"
2405 wmapro_decoder_select="mdct sinewin wma_freqs"
2406 wmav1_decoder_select="mdct sinewin wma_freqs"
2407 wmav1_encoder_select="mdct sinewin wma_freqs"
2408 wmav2_decoder_select="mdct sinewin wma_freqs"
2409 wmav2_encoder_select="mdct sinewin wma_freqs"
2410 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2411 wmv1_decoder_select="h263_decoder"
2412 wmv1_encoder_select="h263_encoder"
2413 wmv2_decoder_select="blockdsp h263_decoder idctdsp intrax8 videodsp wmv2dsp"
2414 wmv2_encoder_select="h263_encoder wmv2dsp"
2415 wmv3_decoder_select="vc1_decoder"
2416 wmv3image_decoder_select="wmv3_decoder"
2417 zerocodec_decoder_select="zlib"
2418 zlib_decoder_select="zlib"
2419 zlib_encoder_select="zlib"
2420 zmbv_decoder_select="zlib"
2421 zmbv_encoder_select="zlib"
2423 # hardware accelerators
2424 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
2425 d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder ID3D11VideoContext"
2426 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode"
2427 vaapi_deps="va_va_h"
2428 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
2429 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
2430 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
2431 videotoolbox_deps="VideoToolbox_VideoToolbox_h pthreads"
2432 videotoolbox_extralibs="-framework CoreFoundation -framework VideoToolbox -framework CoreMedia -framework QuartzCore -framework CoreVideo"
2433 xvmc_deps="X11_extensions_XvMClib_h"
2435 h263_vaapi_hwaccel_deps="vaapi"
2436 h263_vaapi_hwaccel_select="h263_decoder"
2437 h263_videotoolbox_hwaccel_deps="videotoolbox"
2438 h263_videotoolbox_hwaccel_select="h263_decoder"
2439 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
2440 h264_d3d11va_hwaccel_deps="d3d11va"
2441 h264_d3d11va_hwaccel_select="h264_decoder"
2442 h264_dxva2_hwaccel_deps="dxva2"
2443 h264_dxva2_hwaccel_select="h264_decoder"
2444 h264_mmal_decoder_deps="mmal"
2445 h264_mmal_hwaccel_deps="mmal"
2446 h264_mmal_decoder_select="h264_decoder"
2447 h264_mmal_encoder_deps="mmal"
2448 h264_qsv_hwaccel_deps="libmfx"
2449 h264_vaapi_hwaccel_deps="vaapi"
2450 h264_vaapi_hwaccel_select="h264_decoder"
2451 h264_vda_decoder_deps="vda"
2452 h264_vda_decoder_select="h264_decoder"
2453 h264_vda_hwaccel_deps="vda"
2454 h264_vda_hwaccel_select="h264_decoder"
2455 h264_vda_old_hwaccel_deps="vda"
2456 h264_vda_old_hwaccel_select="h264_decoder"
2457 h264_vdpau_decoder_deps="vdpau"
2458 h264_vdpau_decoder_select="h264_decoder"
2459 h264_vdpau_hwaccel_deps="vdpau"
2460 h264_vdpau_hwaccel_select="h264_decoder"
2461 h264_videotoolbox_hwaccel_deps="videotoolbox"
2462 h264_videotoolbox_hwaccel_select="h264_decoder"
2463 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2464 hevc_d3d11va_hwaccel_select="hevc_decoder"
2465 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2466 hevc_dxva2_hwaccel_select="hevc_decoder"
2467 hevc_qsv_hwaccel_deps="libmfx"
2468 hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC"
2469 hevc_vaapi_hwaccel_select="hevc_decoder"
2470 hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"
2471 hevc_vdpau_hwaccel_select="hevc_decoder"
2472 mpeg_vdpau_decoder_deps="vdpau"
2473 mpeg_vdpau_decoder_select="mpeg2video_decoder"
2474 mpeg_xvmc_hwaccel_deps="xvmc"
2475 mpeg_xvmc_hwaccel_select="mpeg2video_decoder"
2476 mpeg1_vdpau_decoder_deps="vdpau"
2477 mpeg1_vdpau_decoder_select="mpeg1video_decoder"
2478 mpeg1_vdpau_hwaccel_deps="vdpau"
2479 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2480 mpeg1_videotoolbox_hwaccel_deps="videotoolbox"
2481 mpeg1_videotoolbox_hwaccel_select="mpeg1video_decoder"
2482 mpeg1_xvmc_hwaccel_deps="xvmc"
2483 mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"
2484 mpeg2_crystalhd_decoder_select="crystalhd"
2485 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2486 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2487 mpeg2_dxva2_hwaccel_deps="dxva2"
2488 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2489 mpeg2_mmal_decoder_deps="mmal"
2490 mpeg2_mmal_hwaccel_deps="mmal"
2491 mpeg2_mmal_decoder_select="mpeg2video_decoder"
2492 mpeg2_qsv_hwaccel_deps="libmfx"
2493 mpeg2_qsv_hwaccel_select="qsvdec_mpeg2"
2494 mpeg2_vaapi_hwaccel_deps="vaapi"
2495 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2496 mpeg2_vdpau_hwaccel_deps="vdpau"
2497 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2498 mpeg2_videotoolbox_hwaccel_deps="videotoolbox"
2499 mpeg2_videotoolbox_hwaccel_select="mpeg2video_decoder"
2500 mpeg2_xvmc_hwaccel_deps="xvmc"
2501 mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"
2502 mpeg4_crystalhd_decoder_select="crystalhd"
2503 mpeg4_vaapi_hwaccel_deps="vaapi"
2504 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2505 mpeg4_vdpau_decoder_deps="vdpau"
2506 mpeg4_vdpau_decoder_select="mpeg4_decoder"
2507 mpeg4_vdpau_hwaccel_deps="vdpau"
2508 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2509 mpeg4_videotoolbox_hwaccel_deps="videotoolbox"
2510 mpeg4_videotoolbox_hwaccel_select="mpeg4_decoder"
2511 msmpeg4_crystalhd_decoder_select="crystalhd"
2512 vc1_crystalhd_decoder_select="crystalhd"
2513 vc1_d3d11va_hwaccel_deps="d3d11va"
2514 vc1_d3d11va_hwaccel_select="vc1_decoder"
2515 vc1_dxva2_hwaccel_deps="dxva2"
2516 vc1_dxva2_hwaccel_select="vc1_decoder"
2517 vc1_vaapi_hwaccel_deps="vaapi"
2518 vc1_vaapi_hwaccel_select="vc1_decoder"
2519 vc1_vdpau_decoder_deps="vdpau"
2520 vc1_vdpau_decoder_select="vc1_decoder"
2521 vc1_vdpau_hwaccel_deps="vdpau"
2522 vc1_vdpau_hwaccel_select="vc1_decoder"
2523 vc1_mmal_decoder_deps="mmal"
2524 vc1_mmal_hwaccel_deps="mmal"
2525 vc1_mmal_decoder_select="vc1_decoder"
2526 vc1_qsv_hwaccel_deps="libmfx"
2527 vc1_qsv_hwaccel_select="qsvdec_vc1"
2528 wmv3_crystalhd_decoder_select="crystalhd"
2529 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2530 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2531 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2532 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2533 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2536 h264_parser_select="h264_decoder"
2537 hevc_parser_select="golomb"
2538 mpegvideo_parser_select="mpegvideo"
2539 mpeg4video_parser_select="h263dsp mpegvideo qpeldsp"
2540 vc1_parser_select="mpegvideo startcode vc1_decoder"
2543 mjpeg2jpeg_bsf_select="jpegtables"
2545 # external libraries
2546 chromaprint_muxer_deps="chromaprint"
2547 libaacplus_encoder_deps="libaacplus"
2548 libcelt_decoder_deps="libcelt"
2549 libdcadec_decoder_deps="libdcadec"
2550 libfaac_encoder_deps="libfaac"
2551 libfaac_encoder_select="audio_frame_queue"
2552 libfdk_aac_decoder_deps="libfdk_aac"
2553 libfdk_aac_encoder_deps="libfdk_aac"
2554 libfdk_aac_encoder_select="audio_frame_queue"
2555 libgme_demuxer_deps="libgme"
2556 libgsm_decoder_deps="libgsm"
2557 libgsm_encoder_deps="libgsm"
2558 libgsm_ms_decoder_deps="libgsm"
2559 libgsm_ms_encoder_deps="libgsm"
2560 libilbc_decoder_deps="libilbc"
2561 libilbc_encoder_deps="libilbc"
2562 libkvazaar_encoder_deps="libkvazaar"
2563 libmodplug_demuxer_deps="libmodplug"
2564 libmp3lame_encoder_deps="libmp3lame"
2565 libmp3lame_encoder_select="audio_frame_queue"
2566 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2567 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2568 libopencore_amrnb_encoder_select="audio_frame_queue"
2569 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2570 libopenh264_encoder_deps="libopenh264"
2571 libopenjpeg_decoder_deps="libopenjpeg"
2572 libopenjpeg_encoder_deps="libopenjpeg"
2573 libopus_decoder_deps="libopus"
2574 libopus_encoder_deps="libopus"
2575 libopus_encoder_select="audio_frame_queue"
2576 libquvi_demuxer_deps="libquvi"
2577 libschroedinger_decoder_deps="libschroedinger"
2578 libschroedinger_encoder_deps="libschroedinger"
2579 libshine_encoder_deps="libshine"
2580 libshine_encoder_select="audio_frame_queue"
2581 libspeex_decoder_deps="libspeex"
2582 libspeex_encoder_deps="libspeex"
2583 libspeex_encoder_select="audio_frame_queue"
2584 libstagefright_h264_decoder_deps="libstagefright_h264"
2585 libtheora_encoder_deps="libtheora"
2586 libtwolame_encoder_deps="libtwolame"
2587 libvo_aacenc_encoder_deps="libvo_aacenc"
2588 libvo_aacenc_encoder_select="audio_frame_queue"
2589 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2590 libvorbis_decoder_deps="libvorbis"
2591 libvorbis_encoder_deps="libvorbis"
2592 libvorbis_encoder_select="audio_frame_queue"
2593 libvpx_vp8_decoder_deps="libvpx"
2594 libvpx_vp8_encoder_deps="libvpx"
2595 libvpx_vp9_decoder_deps="libvpx"
2596 libvpx_vp9_encoder_deps="libvpx"
2597 libwavpack_encoder_deps="libwavpack"
2598 libwebp_encoder_deps="libwebp"
2599 libwebp_anim_encoder_deps="libwebp"
2600 libx262_encoder_deps="libx262"
2601 libx264_encoder_deps="libx264"
2602 libx264rgb_encoder_deps="libx264"
2603 libx264rgb_encoder_select="libx264_encoder"
2604 libx265_encoder_deps="libx265"
2605 libxavs_encoder_deps="libxavs"
2606 libxvid_encoder_deps="libxvid"
2607 libutvideo_decoder_deps="libutvideo"
2608 libutvideo_encoder_deps="libutvideo"
2609 libzvbi_teletext_decoder_deps="libzvbi"
2610 nvenc_encoder_deps="nvenc"
2611 nvenc_h264_encoder_deps="nvenc"
2612 nvenc_hevc_encoder_deps="nvenc"
2615 ac3_demuxer_select="ac3_parser"
2616 asf_demuxer_select="riffdec"
2617 asf_o_demuxer_select="riffdec"
2618 asf_muxer_select="riffenc"
2619 asf_stream_muxer_select="asf_muxer"
2620 avi_demuxer_select="riffdec exif"
2621 avi_muxer_select="riffenc"
2622 avisynth_demuxer_deps="avisynth"
2623 avisynth_demuxer_select="riffdec"
2624 caf_demuxer_select="riffdec"
2625 dash_muxer_select="mp4_muxer"
2626 dirac_demuxer_select="dirac_parser"
2627 dts_demuxer_select="dca_parser"
2628 dtshd_demuxer_select="dca_parser"
2629 dv_demuxer_select="dvprofile"
2630 dv_muxer_select="dvprofile"
2631 dxa_demuxer_select="riffdec"
2632 eac3_demuxer_select="ac3_parser"
2633 f4v_muxer_select="mov_muxer"
2634 flac_demuxer_select="flac_parser"
2635 hds_muxer_select="flv_muxer"
2636 hls_muxer_select="mpegts_muxer"
2637 image2_alias_pix_demuxer_select="image2_demuxer"
2638 image2_brender_pix_demuxer_select="image2_demuxer"
2639 ipod_muxer_select="mov_muxer"
2640 ismv_muxer_select="mov_muxer"
2641 libnut_demuxer_deps="libnut"
2642 libnut_muxer_deps="libnut"
2643 matroska_audio_muxer_select="matroska_muxer"
2644 matroska_demuxer_select="riffdec"
2645 matroska_demuxer_suggest="bzlib lzo zlib"
2646 matroska_muxer_select="riffenc"
2647 mmf_muxer_select="riffenc"
2648 mov_demuxer_select="riffdec"
2649 mov_demuxer_suggest="zlib"
2650 mov_muxer_select="riffenc rtpenc_chain"
2651 mp3_demuxer_select="mpegaudio_parser"
2652 mp4_muxer_select="mov_muxer"
2653 mpegts_muxer_select="adts_muxer latm_muxer"
2654 mpegtsraw_demuxer_select="mpegts_demuxer"
2655 mxf_d10_muxer_select="mxf_muxer"
2656 mxf_opatom_muxer_select="mxf_muxer"
2657 nut_muxer_select="riffenc"
2658 nuv_demuxer_select="riffdec"
2659 oga_muxer_select="ogg_muxer"
2660 ogg_demuxer_select="golomb"
2661 opus_muxer_select="ogg_muxer"
2662 psp_muxer_select="mov_muxer"
2663 rtp_demuxer_select="sdp_demuxer"
2664 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol"
2665 rtsp_demuxer_select="http_protocol rtpdec"
2666 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2667 sap_demuxer_select="sdp_demuxer"
2668 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2669 sdp_demuxer_select="rtpdec"
2670 smoothstreaming_muxer_select="ismv_muxer"
2671 spdif_muxer_select="aac_parser"
2672 spx_muxer_select="ogg_muxer"
2673 tak_demuxer_select="tak_parser"
2674 tg2_muxer_select="mov_muxer"
2675 tgp_muxer_select="mov_muxer"
2676 vobsub_demuxer_select="mpegps_demuxer"
2677 w64_demuxer_select="wav_demuxer"
2678 w64_muxer_select="wav_muxer"
2679 wav_demuxer_select="riffdec"
2680 wav_muxer_select="riffenc"
2681 webm_muxer_select="riffenc"
2682 wtv_demuxer_select="riffdec"
2683 wtv_muxer_select="riffenc"
2684 xmv_demuxer_select="riffdec"
2685 xwma_demuxer_select="riffdec"
2688 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2689 alsa_outdev_deps="alsa_asoundlib_h"
2690 avfoundation_indev_extralibs="-framework CoreVideo -framework Foundation -framework AVFoundation -framework CoreMedia"
2691 avfoundation_indev_select="avfoundation"
2692 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2693 caca_outdev_deps="libcaca"
2694 decklink_outdev_deps="decklink pthreads"
2695 decklink_outdev_extralibs="-lstdc++"
2696 decklink_indev_deps="decklink pthreads"
2697 decklink_indev_extralibs="-lstdc++"
2698 dshow_indev_deps="IBaseFilter"
2699 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"
2700 dv1394_indev_deps="dv1394"
2701 dv1394_indev_select="dv_demuxer"
2702 fbdev_indev_deps="linux_fb_h"
2703 fbdev_outdev_deps="linux_fb_h"
2704 gdigrab_indev_deps="CreateDIBSection"
2705 gdigrab_indev_extralibs="-lgdi32"
2706 gdigrab_indev_select="bmp_decoder"
2707 iec61883_indev_deps="libiec61883"
2708 jack_indev_deps="jack_jack_h sem_timedwait"
2709 lavfi_indev_deps="avfilter"
2710 libcdio_indev_deps="libcdio"
2711 libdc1394_indev_deps="libdc1394"
2712 libv4l2_indev_deps="libv4l2"
2713 openal_indev_deps="openal"
2714 opengl_outdev_deps="opengl"
2715 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2716 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2717 pulse_indev_deps="libpulse"
2718 pulse_outdev_deps="libpulse"
2719 qtkit_indev_extralibs="-framework QTKit -framework Foundation -framework QuartzCore"
2720 qtkit_indev_select="qtkit"
2721 sdl_outdev_deps="sdl"
2722 sndio_indev_deps="sndio_h"
2723 sndio_outdev_deps="sndio_h"
2724 v4l_indev_deps="linux_videodev_h"
2725 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2726 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
2727 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2728 vfwcap_indev_extralibs="-lavicap32"
2729 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
2730 xv_outdev_extralibs="-lXv -lX11 -lXext"
2731 x11grab_indev_deps="x11grab"
2732 x11grab_xcb_indev_deps="libxcb"
2735 async_protocol_deps="threads"
2736 bluray_protocol_deps="libbluray"
2737 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2738 ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"
2739 ffrtmpcrypt_protocol_select="tcp_protocol"
2740 ffrtmphttp_protocol_deps="!librtmp_protocol"
2741 ffrtmphttp_protocol_select="http_protocol"
2742 ftp_protocol_select="tcp_protocol"
2743 gopher_protocol_select="network"
2744 http_protocol_select="tcp_protocol"
2745 httpproxy_protocol_select="tcp_protocol"
2746 https_protocol_select="tls_protocol"
2747 icecast_protocol_select="http_protocol"
2748 librtmp_protocol_deps="librtmp"
2749 librtmpe_protocol_deps="librtmp"
2750 librtmps_protocol_deps="librtmp"
2751 librtmpt_protocol_deps="librtmp"
2752 librtmpte_protocol_deps="librtmp"
2753 libsmbclient_protocol_deps="libsmbclient gplv3"
2754 libssh_protocol_deps="libssh"
2755 mmsh_protocol_select="http_protocol"
2756 mmst_protocol_select="network"
2757 rtmp_protocol_deps="!librtmp_protocol"
2758 rtmp_protocol_select="tcp_protocol"
2759 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2760 rtmps_protocol_deps="!librtmp_protocol"
2761 rtmps_protocol_select="tls_protocol"
2762 rtmpt_protocol_select="ffrtmphttp_protocol"
2763 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2764 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2765 rtp_protocol_select="udp_protocol"
2766 sctp_protocol_deps="struct_sctp_event_subscribe"
2767 sctp_protocol_select="network"
2768 srtp_protocol_select="rtp_protocol"
2769 tcp_protocol_select="network"
2770 tls_gnutls_protocol_deps="gnutls !tls_schannel_protocol !tls_securetransport_protocol"
2771 tls_gnutls_protocol_select="tcp_protocol"
2772 tls_openssl_protocol_deps="openssl !tls_schannel_protocol !tls_securetransport_protocol !tls_gnutls_protocol"
2773 tls_openssl_protocol_select="tcp_protocol"
2774 tls_schannel_protocol_deps="schannel"
2775 tls_schannel_protocol_select="tcp_protocol"
2776 tls_securetransport_protocol_deps="securetransport"
2777 tls_securetransport_protocol_select="tcp_protocol"
2778 tls_protocol_deps_any="tls_schannel_protocol tls_securetransport_protocol tls_gnutls_protocol tls_openssl_protocol"
2779 udp_protocol_select="network"
2780 udplite_protocol_select="network"
2781 unix_protocol_deps="sys_un_h"
2782 unix_protocol_select="network"
2785 amovie_filter_deps="avcodec avformat"
2786 aresample_filter_deps="swresample"
2787 ass_filter_deps="libass"
2788 asyncts_filter_deps="avresample"
2789 atempo_filter_deps="avcodec"
2790 atempo_filter_select="rdft"
2791 azmq_filter_deps="libzmq"
2792 blackframe_filter_deps="gpl"
2793 boxblur_filter_deps="gpl"
2794 bs2b_filter_deps="libbs2b"
2795 colormatrix_filter_deps="gpl"
2796 cover_rect_filter_deps="avcodec avformat gpl"
2797 cropdetect_filter_deps="gpl"
2798 delogo_filter_deps="gpl"
2799 deshake_filter_select="pixelutils"
2800 drawtext_filter_deps="libfreetype"
2801 dynaudnorm_filter_deps="copysign erf"
2802 ebur128_filter_deps="gpl"
2803 eq_filter_deps="gpl"
2804 fftfilt_filter_deps="avcodec"
2805 fftfilt_filter_select="rdft"
2806 flite_filter_deps="libflite"
2807 find_rect_filter_deps="avcodec avformat gpl"
2808 frei0r_filter_deps="frei0r dlopen"
2809 frei0r_src_filter_deps="frei0r dlopen"
2810 fspp_filter_deps="gpl"
2811 geq_filter_deps="gpl"
2812 histeq_filter_deps="gpl"
2813 hqdn3d_filter_deps="gpl"
2814 interlace_filter_deps="gpl"
2815 kerndeint_filter_deps="gpl"
2816 ladspa_filter_deps="ladspa dlopen"
2817 mcdeint_filter_deps="avcodec gpl"
2818 movie_filter_deps="avcodec avformat"
2819 mpdecimate_filter_deps="gpl"
2820 mpdecimate_filter_select="pixelutils"
2821 mptestsrc_filter_deps="gpl"
2822 negate_filter_deps="lut_filter"
2823 perspective_filter_deps="gpl"
2824 pp7_filter_deps="gpl"
2825 ocr_filter_deps="libtesseract"
2826 ocv_filter_deps="libopencv"
2827 owdenoise_filter_deps="gpl"
2828 pan_filter_deps="swresample"
2829 phase_filter_deps="gpl"
2830 pp_filter_deps="gpl postproc"
2831 pullup_filter_deps="gpl"
2832 removelogo_filter_deps="avcodec avformat swscale"
2833 repeatfields_filter_deps="gpl"
2834 resample_filter_deps="avresample"
2835 rubberband_filter_deps="librubberband"
2836 sab_filter_deps="gpl swscale"
2837 scale_filter_deps="swscale"
2838 scale2ref_filter_deps="swscale"
2839 select_filter_select="pixelutils"
2840 smartblur_filter_deps="gpl swscale"
2841 showcqt_filter_deps="avcodec avformat swscale"
2842 showcqt_filter_select="fft"
2843 showfreqs_filter_deps="avcodec"
2844 showfreqs_filter_select="fft"
2845 showspectrum_filter_deps="avcodec"
2846 showspectrum_filter_select="rdft"
2847 spp_filter_deps="gpl avcodec"
2848 spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"
2849 stereo3d_filter_deps="gpl"
2850 subtitles_filter_deps="avformat avcodec libass"
2851 super2xsai_filter_deps="gpl"
2852 tinterlace_filter_deps="gpl"
2853 vidstabdetect_filter_deps="libvidstab"
2854 vidstabtransform_filter_deps="libvidstab"
2855 pixfmts_super2xsai_test_deps="super2xsai_filter"
2856 tinterlace_merge_test_deps="tinterlace_filter"
2857 tinterlace_pad_test_deps="tinterlace_filter"
2858 uspp_filter_deps="gpl avcodec"
2859 zmq_filter_deps="libzmq"
2860 zoompan_filter_deps="swscale"
2861 zscale_filter_deps="libzimg"
2864 avio_reading="avformat avcodec avutil"
2865 avio_dir_cmd="avformat avutil"
2866 avcodec_example_deps="avcodec avutil"
2867 decoding_encoding_example_deps="avcodec avformat avutil"
2868 demuxing_decoding_example_deps="avcodec avformat avutil"
2869 extract_mvs_example_deps="avcodec avformat avutil"
2870 filter_audio_example_deps="avfilter avutil"
2871 filtering_audio_example_deps="avfilter avcodec avformat avutil"
2872 filtering_video_example_deps="avfilter avcodec avformat avutil"
2873 metadata_example_deps="avformat avutil"
2874 muxing_example_deps="avcodec avformat avutil swscale"
2875 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder vaapi_x11"
2876 remuxing_example_deps="avcodec avformat avutil"
2877 resampling_audio_example_deps="avutil swresample"
2878 scaling_video_example_deps="avutil swscale"
2879 transcode_aac_example_deps="avcodec avformat swresample"
2880 transcoding_example_deps="avfilter avcodec avformat avutil"
2882 # libraries, in linking order
2883 avcodec_deps="avutil"
2884 avdevice_deps="avformat avcodec avutil"
2885 avfilter_deps="avutil"
2886 avformat_deps="avcodec avutil"
2887 avresample_deps="avutil"
2888 postproc_deps="avutil gpl"
2889 swresample_deps="avutil"
2890 swscale_deps="avutil"
2893 ffmpeg_deps="avcodec avfilter avformat swresample"
2894 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
2896 setpts_filter trim_filter"
2897 ffplay_deps="avcodec avformat swscale swresample sdl"
2898 ffplay_libs='$sdl_libs'
2899 ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"
2900 ffprobe_deps="avcodec avformat"
2901 ffserver_deps="avformat fork sarestart"
2902 ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
2905 podpages_deps="perl"
2906 manpages_deps="perl pod2man"
2907 htmlpages_deps="perl"
2908 htmlpages_deps_any="makeinfo_html texi2html"
2909 txtpages_deps="perl makeinfo"
2910 doc_deps_any="manpages htmlpages podpages txtpages"
2912 # default parameters
2914 logfile="config.log"
2916 # installation paths
2917 prefix_default="/usr/local"
2918 bindir_default='${prefix}/bin'
2919 datadir_default='${prefix}/share/ffmpeg'
2920 docdir_default='${prefix}/share/doc/ffmpeg'
2921 incdir_default='${prefix}/include'
2922 libdir_default='${prefix}/lib'
2923 mandir_default='${prefix}/share/man'
2929 host_cc_default="gcc"
2931 doxygen_default="doxygen"
2936 pkg_config_default=pkg-config
2937 ranlib_default="ranlib"
2938 strip_default="strip"
2939 yasmexe_default="yasm"
2940 windres_default="windres"
2943 target_os_default=$(tolower $(uname -s))
2944 host_os=$target_os_default
2947 if test "$target_os_default" = aix; then
2948 arch_default=$(uname -p)
2949 strip_default="strip -X32_64"
2951 arch_default=$(uname -m)
2956 # configurable options
2957 enable $PROGRAM_LIST
2958 enable $DOCUMENT_LIST
2959 enable $EXAMPLE_LIST
2960 enable $(filter_out avresample $LIBRARY_LIST)
2966 enable faan faandct faanidct
2967 enable optimizations
2968 enable runtime_cpudetect
2969 enable safe_bitstream_reader
2971 enable swscale_alpha
2972 enable valgrind_backtrace
2974 sws_max_filter_size_default=256
2975 set_default sws_max_filter_size
2977 # Enable hwaccels by default.
2978 enable d3d11va dxva2 vaapi vda vdpau videotoolbox xvmc
2982 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2985 FULLNAME='$(NAME)$(BUILDSUF)'
2986 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2989 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2990 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2991 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2992 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2993 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2994 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
3016 host_cflags_filter=echo
3017 host_ldflags_filter=echo
3019 target_path='$(CURDIR)'
3021 # since the object filename is not given with the -MM flag, the compiler
3022 # is only able to print the basename, and we must add the path ourselves
3023 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>/dev/null | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(@F),$(@D)/$(@F)," > $(@:.o=.d)'
3027 if test -f configure; then
3030 source_path=$(cd $(dirname "$0"); pwd)
3031 case "$source_path" in
3032 *[[:blank:]]*) die "Out of tree builds are impossible with whitespace in source path." ;;
3034 test -e "$source_path/config.h" &&
3035 die "Out of tree builds are impossible with config.h in source dir."
3042 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
3048 file=$source_path/$3
3049 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
3052 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
3053 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
3054 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
3055 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
3056 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
3057 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
3058 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
3059 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
3060 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
3061 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
3062 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
3078 for n in $COMPONENT_LIST; do
3079 v=$(toupper ${n%s})_LIST
3081 eval ${n}_if_any="\$$v"
3084 enable $ARCH_EXT_LIST
3087 echo "Unknown option \"$1\"."
3088 echo "See $0 --help for available options."
3092 print_in_columns() {
3093 cols=$(expr $ncols / 24)
3094 cat | tr ' ' '\n' | sort | pr -r "-$cols" -w $ncols -t
3100 echo $* | sed s/$suffix//g | print_in_columns
3112 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
3113 echo "prob ${prob:-0.5}"
3121 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
3122 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
3131 --extra-ldexeflags=*)
3132 add_ldexeflags $optval
3134 --extra-ldlibflags=*)
3135 add_ldlibflags $optval
3138 add_extralibs $optval
3141 disable $INDEV_LIST $OUTDEV_LIST
3144 debuglevel="$optval"
3147 disable $PROGRAM_LIST
3149 --disable-everything)
3150 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3153 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3154 disable $LIBRARY_LIST $PROGRAM_LIST doc
3157 --enable-random|--disable-random)
3158 action=${opt%%-random}
3159 do_random ${action#--} $COMPONENT_LIST
3161 --enable-random=*|--disable-random=*)
3162 action=${opt%%-random=*}
3163 do_random ${action#--} $optval
3165 --enable-*=*|--disable-*=*)
3166 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
3167 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
3168 eval list=\$$(toupper $thing)_LIST
3169 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
3170 list=$(filter "$name" $list)
3171 [ "$list" = "" ] && warn "Option $opt did not match anything"
3174 --enable-?*|--disable-?*)
3175 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
3176 if is_in $option $COMPONENT_LIST; then
3177 test $action = disable && action=unset
3178 eval $action \$$(toupper ${option%s})_LIST
3179 elif is_in $option $CMDLINE_SELECT; then
3186 NAME="${opt#--list-}"
3187 is_in $NAME $COMPONENT_LIST || die_unknown $opt
3189 eval show_list $NAME \$$(toupper $NAME)_LIST
3191 --help|-h) show_help
3193 --fatal-warnings) enable fatal_warnings
3196 optname="${opt%%=*}"
3197 optname="${optname#--}"
3198 optname=$(echo "$optname" | sed 's/-/_/g')
3199 if is_in $optname $CMDLINE_SET; then
3200 eval $optname='$optval'
3201 elif is_in $optname $CMDLINE_APPEND; then
3202 append $optname "$optval"
3214 disabled logging && logfile=/dev/null
3216 # Disable all the library-specific components if the library itself
3217 # is disabled, see AVCODEC_LIST and following _LIST variables.
3219 disable_components(){
3220 disabled ${1} && disable $(
3221 eval components="\$$(toupper ${1})_COMPONENTS"
3222 map 'eval echo \${$(toupper ${v%s})_LIST}' $components
3226 map 'disable_components $v' $LIBRARY_LIST
3228 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
3231 test -n "$valgrind" && toolchain="valgrind-memcheck"
3233 case "$toolchain" in
3236 add_cflags -fsanitize=address
3237 add_ldflags -fsanitize=address
3241 add_cflags -fsanitize=thread -pie
3242 add_ldflags -fsanitize=thread -pie
3246 add_cflags -fsanitize=undefined
3247 add_ldflags -fsanitize=undefined
3251 add_cflags -fsanitize=address
3252 add_ldflags -fsanitize=address
3256 add_cflags -fsanitize=thread -pie -fPIC
3257 add_ldflags -fsanitize=thread -pie -fPIC
3261 add_cflags -fsanitize=undefined
3262 add_ldflags -fsanitize=undefined
3265 target_exec_default=${valgrind:-"valgrind"}
3266 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"
3269 target_exec_default=${valgrind:-"valgrind"}
3270 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
3273 # Check whether the current MSVC version needs the C99 converter.
3274 # From MSVC 2013 (compiler major version 18) onwards, it does actually
3275 # support enough of C99 to build ffmpeg. Default to the new
3276 # behaviour if the regexp was unable to match anything, since this
3277 # successfully parses the version number of existing supported
3278 # versions that require the converter (MSVC 2010 and 2012).
3279 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
3280 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
3283 cc_default="c99wrap cl"
3285 ld_default="$source_path/compat/windows/mslink"
3286 nm_default="dumpbin -symbols"
3293 target_os_default="win32"
3294 # Use a relative path for TMPDIR. This makes sure all the
3295 # ffconf temp files are written with a relative path, avoiding
3296 # issues with msys/win32 path conversion for MSVC parameters
3297 # such as -Fo<file> or -out:<file>.
3303 nm_default="dumpbin -symbols"
3305 target_os_default="win32"
3309 add_cflags -fprofile-arcs -ftest-coverage
3310 add_ldflags -fprofile-arcs -ftest-coverage
3313 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
3314 add_cflags -fno-strict-overflow -fstack-protector-all
3315 add_ldflags -Wl,-z,relro -Wl,-z,now
3318 die "Unknown toolchain $toolchain"
3322 test -n "$cross_prefix" && enable cross_compile
3324 if enabled cross_compile; then
3325 test -n "$arch" && test -n "$target_os" ||
3326 die "Must specify target arch and OS when cross-compiling"
3329 ar_default="${cross_prefix}${ar_default}"
3330 cc_default="${cross_prefix}${cc_default}"
3331 cxx_default="${cross_prefix}${cxx_default}"
3332 nm_default="${cross_prefix}${nm_default}"
3333 pkg_config_default="${cross_prefix}${pkg_config_default}"
3334 if ${cross_prefix}${ranlib_default} 2>&1 | grep -q "\-D "; then
3335 ranlib_default="${cross_prefix}${ranlib_default} -D"
3337 ranlib_default="${cross_prefix}${ranlib_default}"
3339 strip_default="${cross_prefix}${strip_default}"
3340 windres_default="${cross_prefix}${windres_default}"
3342 sysinclude_default="${sysroot}/usr/include"
3344 set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \
3345 target_exec target_os yasmexe
3346 enabled cross_compile || host_cc_default=$cc
3349 pkg_config_fail_message=""
3350 if ! $pkg_config --version >/dev/null 2>&1; then
3351 warn "$pkg_config not found, library detection may fail."
3353 elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then
3354 pkg_config_fail_message="
3355 Note: When building a static binary, add --pkg-config-flags=\"--static\"."
3358 if test $doxygen != $doxygen_default && \
3359 ! $doxygen --version >/dev/null 2>&1; then
3360 warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."
3365 mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
3369 EXESUF=$(exesuf $target_os)
3370 HOSTEXESUF=$(exesuf $host_os)
3372 # set temporary file name
3373 : ${TMPDIR:=$TEMPDIR}
3377 if [ -n "$tempprefix" ] ; then
3379 echo $tempprefix.${HOSTNAME}.${UID}
3381 elif ! check_cmd mktemp -u XXXXXX; then
3382 # simple replacement for missing mktemp
3383 # NOT SAFE FOR GENERAL USE
3385 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
3390 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
3391 (set -C; exec > $tmp) 2>/dev/null ||
3392 die "Unable to create temporary file in $TMPDIR."
3393 append TMPFILES $tmp
3397 trap 'rm -f -- $TMPFILES' EXIT
3402 tmpfile TMPE $EXESUF
3414 # make sure we can execute files in $TMPDIR
3415 cat > $TMPSH 2>> $logfile <<EOF
3418 chmod +x $TMPSH >> $logfile 2>&1
3419 if ! $TMPSH >> $logfile 2>&1; then
3421 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
3422 variable to another directory and make sure that it is not mounted noexec.
3424 die "Sanity test failed."
3430 # Filter out MSVC cl.exe options from cflags that shouldn't
3431 # be passed to gas-preprocessor
3441 -std=c99) echo -c99 ;;
3442 -mcpu=*) echo -arch ${flag#*=} ;;
3443 -mieee) echo -ieee ;;
3444 -O*|-fast) echo $flag ;;
3445 -fno-math-errno) echo -assume nomath_errno ;;
3447 -Wall) echo -msg_enable level2 ;;
3448 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
3449 -Wl,*) echo $flag ;;
3459 -Wno-switch) echo -Wno-switch-enum ;;
3460 -Wno-format-zero-length) ;;
3461 -Wdisabled-optimization) ;;
3462 -Wno-pointer-sign) echo -Wno-other ;;
3468 msvc_common_flags(){
3471 # In addition to specifying certain flags under the compiler
3472 # specific filters, they must be specified here as well or else the
3473 # generic catch all at the bottom will print the original flag.
3477 -fomit-frame-pointer) ;;
3481 -fno-signed-zeros) ;;
3485 -lz) echo zlib.lib ;;
3486 -lavifil32) echo vfw32.lib ;;
3487 -lavicap32) echo vfw32.lib user32.lib ;;
3488 -l*) echo ${flag#-l}.lib ;;
3489 -LARGEADDRESSAWARE) echo $flag ;;
3490 -L*) echo -libpath:${flag#-L} ;;
3497 msvc_common_flags "$@"
3500 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
3501 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
3502 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
3504 -wd4273 -wd4554 -wd4701 ;;
3510 msvc_common_flags "$@"
3513 # Despite what Intel's documentation says -Wall, which is supported
3514 # on Windows, does enable remarks so disable them here.
3515 -Wall) echo $flag -Qdiag-disable:remark ;;
3516 -std=c99) echo -Qstd=c99 ;;
3534 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
3535 -fomit-frame-pointer) echo -Mnoframe ;;
3546 case "${flag#*=}" in
3547 native) echo -xtarget=native ;;
3548 v9|niagara) echo -xarch=sparc ;;
3549 ultrasparc) echo -xarch=sparcvis ;;
3550 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
3551 i586|pentium) echo -xchip=pentium ;;
3552 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
3553 pentium3*|c3-2) echo -xtarget=pentium3 ;;
3554 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
3555 pentium4*) echo -xtarget=pentium4 ;;
3556 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
3557 *-sse3) echo -xarch=sse3 ;;
3558 core2) echo -xarch=ssse3 -xchip=core2 ;;
3559 bonnell) echo -xarch=ssse3 ;;
3560 corei7|nehalem) echo -xtarget=nehalem ;;
3561 westmere) echo -xtarget=westmere ;;
3562 silvermont) echo -xarch=sse4_2 ;;
3563 corei7-avx|sandybridge) echo -xtarget=sandybridge ;;
3564 core-avx*|ivybridge|haswell|broadwell)
3566 amdfam10|barcelona) echo -xtarget=barcelona ;;
3567 btver1) echo -xarch=amdsse4a ;;
3568 btver2|bdver*) echo -xarch=avx ;;
3569 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
3570 k8|opteron|athlon64|athlon-fx)
3571 echo -xarch=sse2a ;;
3572 athlon*) echo -xarch=pentium_proa ;;
3575 -std=c99) echo -xc99 ;;
3576 -fomit-frame-pointer) echo -xregs=frameptr ;;
3577 -fPIC) echo -KPIC -xcode=pic32 ;;
3578 -W*,*) echo $flag ;;
3579 -f*-*|-W*|-mimpure-text) ;;
3590 case "${flag#*=}" in
3591 armv7-a|cortex-a*) echo -mv=7a8 ;;
3592 armv7-r|cortex-r*) echo -mv=7r4 ;;
3593 armv7-m|cortex-m*) echo -mv=7m3 ;;
3594 armv6*|arm11*) echo -mv=6 ;;
3595 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
3597 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
3600 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
3601 -mfpu=vfp) echo --float_support=vfpv2 ;;
3602 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
3603 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
3604 -msoft-float) echo --float_support=vfplib ;;
3605 -O[0-3]|-mf=*) echo $flag ;;
3607 -pds=*) echo $flag ;;
3608 -D*|-I*) echo $flag ;;
3609 --gcc|--abi=*) echo $flag ;;
3620 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
3621 unset _ld_o _ldflags _ld_lib _ld_path
3622 unset _depflags _DEPCMD _DEPFLAGS
3625 if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
3626 true # no-op to avoid reading stdin in following checks
3627 elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
3629 gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')
3630 _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"
3631 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3634 elif $_cc -v 2>&1 | grep -qi ^gcc; then
3636 gcc_version=$($_cc --version | head -n1)
3637 gcc_basever=$($_cc -dumpversion)
3638 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
3639 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
3640 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
3641 case $gcc_basever in
3643 *) _depflags='-MMD -MF $(@:.o=.d) -MT $@' ;;
3645 if [ "$first" = true ]; then
3646 case $gcc_basever in
3648 warn "gcc 4.2 is outdated and may miscompile FFmpeg. Please use a newer compiler." ;;
3653 elif $_cc --version 2>/dev/null | grep -q ^icc; then
3655 _ident=$($_cc --version | head -n1)
3660 _flags_filter=icc_flags
3661 elif $_cc -v 2>&1 | grep -q xlc; then
3663 _ident=$($_cc -qversion 2>/dev/null | head -n1)
3665 _cflags_size='-O5 -qcompact'
3666 elif $_cc -V 2>/dev/null | grep -q Compaq; then
3668 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
3670 _cflags_speed='-fast'
3672 _flags_filter=ccc_flags
3673 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
3674 test -d "$sysroot" || die "No valid sysroot specified."
3676 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
3677 armcc_conf="$PWD/armcc.conf"
3678 $_cc --arm_linux_configure \
3679 --arm_linux_config_file="$armcc_conf" \
3680 --configure_sysroot="$sysroot" \
3681 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
3682 die "Error creating armcc configuration file."
3683 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
3684 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
3685 as_default="${cross_prefix}gcc"
3689 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
3691 _ident=$($_cc -version | head -n1 | tr -s ' ')
3692 _flags='--gcc --abi=eabi -me'
3695 _depflags='-ppa -ppd=$(@:.o=.d)'
3696 _cflags_speed='-O3 -mf=5'
3697 _cflags_size='-O3 -mf=2'
3698 _flags_filter=tms470_flags
3699 elif $_cc -v 2>&1 | grep -q clang; then
3701 _ident=$($_cc --version 2>/dev/null | head -n1)
3702 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3705 elif $_cc -V 2>&1 | grep -q Sun; then
3707 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
3708 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3709 _DEPFLAGS='-xM1 -xc99'
3712 _cflags_size='-O5 -xspace'
3713 _flags_filter=suncc_flags
3714 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
3716 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3717 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3720 _flags_filter='filter_out -Wdisabled-optimization'
3721 elif $_cc -v 2>&1 | grep -q Open64; then
3723 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3724 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3727 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3728 elif $_cc -V 2>&1 | grep -q Portland; then
3730 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3731 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3732 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3733 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3735 _flags_filter=pgi_flags
3736 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
3738 _ident=$($_cc | head -n1)
3739 # 4509: "This form of conditional instruction is deprecated"
3740 _flags="-nologo -ignore 4509"
3741 _flags_filter=armasm_flags
3742 elif $_cc 2>&1 | grep -q Intel; then
3744 _ident=$($_cc 2>&1 | head -n1)
3745 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3746 # Not only is O3 broken on 13.x+ but it is slower on all previous
3747 # versions (tested) as well.
3749 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3750 if $_cc 2>&1 | grep -q Linker; then
3757 _flags_filter=icl_flags
3759 _ld_path='-libpath:'
3760 # -Qdiag-error to make icl error when seeing certain unknown arguments
3761 _flags='-nologo -Qdiag-error:4044,10157'
3762 # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency
3763 # with MSVC which enables it by default.
3764 _cflags='-D_USE_MATH_DEFINES -Qms0 -Qvec- -Qsimd- -GS -fp:precise'
3766 elif $_cc -nologo- 2>&1 | grep -q Microsoft; then
3768 _ident=$($_cc 2>&1 | head -n1)
3769 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3770 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3773 if $_cc -nologo- 2>&1 | grep -q Linker; then
3780 _flags_filter=msvc_flags
3782 _ld_path='-libpath:'
3784 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS'
3786 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3788 _ident=$($_cc --version | head -n1)
3792 _flags_filter=cparser_flags
3795 eval ${pfx}_type=\$_type
3796 eval ${pfx}_ident=\$_ident
3800 eval ${1}_C=\${_cc_c-\${${1}_C}}
3801 eval ${1}_E=\${_cc_e-\${${1}_E}}
3802 eval ${1}_O=\${_cc_o-\${${1}_O}}
3804 if [ -n "$_depflags" ]; then
3805 eval ${1}_DEPFLAGS=\$_depflags
3807 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3808 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3809 eval DEP${1}FLAGS=\$_flags
3813 probe_cc cc "$cc" "true"
3814 cflags_filter=$_flags_filter
3815 cflags_speed=$_cflags_speed
3816 cflags_size=$_cflags_size
3817 cflags_noopt=$_cflags_noopt
3818 add_cflags $_flags $_cflags
3819 cc_ldflags=$_ldflags
3822 probe_cc hostcc "$host_cc"
3823 host_cflags_filter=$_flags_filter
3824 add_host_cflags $_flags $_cflags
3827 test -n "$cc_type" && enable $cc_type ||
3828 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3830 : ${as_default:=$cc}
3831 : ${dep_cc_default:=$cc}
3832 : ${ld_default:=$cc}
3833 : ${host_ld_default:=$host_cc}
3834 set_default ar as dep_cc ld host_ld windres
3837 asflags_filter=$_flags_filter
3838 add_asflags $_flags $_cflags
3842 ldflags_filter=$_flags_filter
3843 add_ldflags $_flags $_ldflags
3844 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3846 LD_LIB=${_ld_lib-$LD_LIB}
3847 LD_PATH=${_ld_path-$LD_PATH}
3849 probe_cc hostld "$host_ld"
3850 host_ldflags_filter=$_flags_filter
3851 add_host_ldflags $_flags $_ldflags
3852 HOSTLD_O=${_ld_o-$HOSTLD_O}
3854 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3855 probe_cc depcc "$dep_cc"
3856 CCDEP=${_DEPCMD:-$DEPCMD}
3857 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3861 if $ar 2>&1 | grep -q Microsoft; then
3864 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3867 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3868 arflags='-Xany -r -c'
3870 elif $ar 2>&1 | grep -q "\[D\] "; then
3878 add_cflags $extra_cflags
3879 add_cxxflags $extra_cxxflags
3880 add_asflags $extra_cflags
3882 if test -n "$sysroot"; then
3885 add_cppflags --sysroot="$sysroot"
3886 add_ldflags --sysroot="$sysroot"
3887 # On Darwin --sysroot may be ignored, -isysroot always affects headers and linking
3888 add_cppflags -isysroot "$sysroot"
3889 add_ldflags -isysroot "$sysroot"
3892 add_cppflags -I"$sysinclude"
3893 add_ldflags --sysroot="$sysroot"
3898 if test "$cpu" = host; then
3899 enabled cross_compile &&
3900 die "--cpu=host makes no sense when cross-compiling."
3905 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3907 s/.*$1=\\([^ ]*\\).*/\\1/
3912 cpu=$(check_native -march || check_native -mcpu)
3916 test "${cpu:-host}" = host &&
3917 die "--cpu=host not supported with compiler $cc"
3920 # Deal with common $arch aliases
3934 "Power Macintosh"|ppc*|powerpc*)
3949 i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
3954 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3957 # Add processor-specific flags
3958 if enabled aarch64; then
3962 cpuflags="-march=$cpu"
3965 cpuflags="-mcpu=$cpu"
3969 elif enabled alpha; then
3971 cpuflags="-mcpu=$cpu"
3973 elif enabled arm; then
3976 check_cpp_condition stddef.h \
3977 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3982 if check_arm_arch 4; then echo armv4;
3983 elif check_arm_arch 4T; then echo armv4t;
3984 elif check_arm_arch 5; then echo armv5;
3985 elif check_arm_arch 5E; then echo armv5e;
3986 elif check_arm_arch 5T; then echo armv5t;
3987 elif check_arm_arch 5TE; then echo armv5te;
3988 elif check_arm_arch 5TEJ; then echo armv5te;
3989 elif check_arm_arch 6; then echo armv6;
3990 elif check_arm_arch 6J; then echo armv6j;
3991 elif check_arm_arch 6K; then echo armv6k;
3992 elif check_arm_arch 6Z; then echo armv6z;
3993 elif check_arm_arch 6ZK; then echo armv6zk;
3994 elif check_arm_arch 6T2; then echo armv6t2;
3995 elif check_arm_arch 7; then echo armv7;
3996 elif check_arm_arch 7A 7_A; then echo armv7-a;
3997 elif check_arm_arch 7S; then echo armv7-a;
3998 elif check_arm_arch 7R 7_R; then echo armv7-r;
3999 elif check_arm_arch 7M 7_M; then echo armv7-m;
4000 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
4001 elif check_arm_arch 8A 8_A; then echo armv8-a;
4005 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
4009 cpuflags="-march=$cpu"
4010 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
4013 cpuflags="-mcpu=$cpu"
4015 cortex-a*) subarch=armv7a ;;
4016 cortex-r*) subarch=armv7r ;;
4017 cortex-m*) enable thumb; subarch=armv7m ;;
4018 arm11*) subarch=armv6 ;;
4019 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
4020 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
4021 *) subarch=$(probe_arm_arch) ;;
4027 armv5t*) enable fast_clz ;;
4030 disabled fast_unaligned || enable fast_unaligned
4034 elif enabled avr32; then
4039 cpuflags="-mpart=$cpu"
4043 cpuflags="-march=$cpu"
4047 cpuflags="-mcpu=$cpu"
4051 cpuflags="-march=$cpu"
4055 elif enabled bfin; then
4057 cpuflags="-mcpu=$cpu"
4059 elif enabled mips; then
4061 cpuflags="-march=$cpu"
4086 24kef*|34kf*|1004kf*)
4108 check_cflags "-mtune=p5600"
4116 check_cflags "-mtune=i6400 -mabi=64"
4117 check_ldflags "-mabi=64"
4127 enable local_aligned_8 local_aligned_16 local_aligned_32
4128 enable simd_align_16
4132 enable fast_unaligned
4133 disable aligned_stack
4136 cpuflags="-march=loongson3a -mhard-float -fno-expensive-optimizations"
4139 cpuflags="-march=loongson2e -mhard-float -fno-expensive-optimizations"
4142 cpuflags="-march=loongson2f -mhard-float -fno-expensive-optimizations"
4162 elif enabled ppc; then
4166 case $(tolower $cpu) in
4167 601|ppc601|powerpc601)
4168 cpuflags="-mcpu=601"
4171 603*|ppc603*|powerpc603*)
4172 cpuflags="-mcpu=603"
4175 604*|ppc604*|powerpc604*)
4176 cpuflags="-mcpu=604"
4179 g3|75*|ppc75*|powerpc75*)
4180 cpuflags="-mcpu=750"
4183 g4|745*|ppc745*|powerpc745*)
4184 cpuflags="-mcpu=7450"
4187 74*|ppc74*|powerpc74*)
4188 cpuflags="-mcpu=7400"
4191 g5|970|ppc970|powerpc970)
4192 cpuflags="-mcpu=970"
4196 cpuflags="-mcpu=$cpu"
4200 cpuflags="-mcpu=$cpu"
4203 cpuflags="-mcpu=cell"
4208 cpuflags="-mcpu=e500mc"
4212 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
4217 cpuflags="-mcpu=8540 -mhard-float"
4223 elif enabled sparc; then
4226 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
4227 cpuflags="-mcpu=$cpu"
4229 ultrasparc*|niagara[234])
4230 cpuflags="-mcpu=$cpu"
4234 elif enabled x86; then
4238 cpuflags="-march=$cpu"
4242 # targets that do NOT support nopl and conditional mov (cmov)
4243 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
4244 cpuflags="-march=$cpu"
4247 # targets that do support nopl and conditional mov (cmov)
4248 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\
4249 |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|amdfam10|barcelona|b[dt]ver*)
4250 cpuflags="-march=$cpu"
4254 # targets that do support conditional mov but on which it's slow
4255 pentium4|pentium4m|prescott|nocona)
4256 cpuflags="-march=$cpu"
4264 if [ "$cpu" != generic ]; then
4265 add_cflags $cpuflags
4266 add_asflags $cpuflags
4267 test "$cc_type" = "$ld_type" && add_ldflags $cpuflags
4270 # compiler sanity check
4272 int main(void){ return 0; }
4274 if test "$?" != 0; then
4275 echo "$cc is unable to create an executable file."
4276 if test -z "$cross_prefix" && ! enabled cross_compile ; then
4277 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
4278 echo "Only do this if you know what cross compiling means."
4280 die "C compiler test failed."
4283 add_cppflags -D_ISOC99_SOURCE
4284 add_cxxflags -D__STDC_CONSTANT_MACROS
4285 check_cflags -std=c99
4286 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
4289 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
4293 add_host_cppflags -D_ISOC99_SOURCE
4294 check_host_cflags -std=c99
4295 check_host_cflags -Wall
4296 check_host_cflags -O3
4302 check_code cc "" "int test[2*($expr) - 1]" &&
4303 subarch=$arch64 || subarch=$arch32
4311 check_64bit mips mips64 '_MIPS_SIM > 1'
4315 check_64bit parisc parisc64 'sizeof(void *) > 4'
4319 check_64bit ppc ppc64 'sizeof(void *) > 4'
4323 check_64bit s390 s390x 'sizeof(void *) > 4'
4327 check_64bit sparc sparc64 'sizeof(void *) > 4'
4331 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
4332 # Treat x32 as x64 for now. Note it also needs spic=$shared
4333 test "$subarch" = "x86_32" && check_cpp_condition stddef.h 'defined(__x86_64__)' &&
4335 if test "$subarch" = "x86_64"; then
4340 check_cc <<EOF && subarch="ppc64"
4341 int test[(int)sizeof(char*) - 7];
4347 enabled spic && enable_weak pic
4353 add_cppflags '-I\$(SRC_PATH)/compat/aix'
4354 enabled shared && add_ldflags -Wl,-brtl
4358 enable section_data_rel_ro
4359 SLIB_INSTALL_NAME='$(SLIBNAME)'
4361 SHFLAGS='-shared -Wl,-soname,$(SLIBNAME)'
4364 prefix_default="/boot/common"
4365 network_extralibs="-lnetwork"
4369 SHFLAGS='-shared -Wl,-h,$$(@F)'
4370 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
4371 network_extralibs="-lsocket -lnsl"
4372 add_cppflags -D__EXTENSIONS__
4373 # When using suncc to build, the Solaris linker will mark
4374 # an executable with each instruction set encountered by
4375 # the Solaris assembler. As our libraries contain their own
4376 # guards for processor-specific code, instead suppress
4377 # generation of the HWCAPS ELF section on Solaris x86 only.
4378 enabled_all suncc x86 &&
4379 echo "hwcap_1 = OVERRIDE;" > mapfile &&
4380 add_ldflags -Wl,-M,mapfile
4381 nm_default='nm -P -g'
4382 SLIB_CREATE_DEF_CMD='$(Q)perl $(SRC_PATH)/compat/solaris/make_sunver.pl $$(filter %.ver,$$^) $(OBJS) | grep -v @ > $(SUBDIR)lib$(NAME).ver-sol2'
4386 oss_indev_extralibs="-lossaudio"
4387 oss_outdev_extralibs="-lossaudio"
4388 enabled gcc || check_ldflags -Wl,-zmuldefs
4393 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
4395 oss_indev_extralibs="-lossaudio"
4396 oss_outdev_extralibs="-lossaudio"
4404 add_extralibs -lpoll -lgnugetopt
4408 enabled ppc && add_asflags -force_cpusubtype_ALL
4409 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
4410 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
4412 add_ldflags -Wl,-dynamic,-search_paths_first
4414 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
4415 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
4417 enabled x86_64 && objformat="macho64"
4418 enabled_any pic shared x86_64 ||
4419 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
4422 if test $target_os = "mingw32ce"; then
4427 decklink_outdev_extralibs="$decklink_outdev_extralibs -lole32 -loleaut32"
4428 decklink_indev_extralibs="$decklink_indev_extralibs -lole32 -loleaut32"
4430 if enabled x86_64; then
4431 LIBTARGET="i386:x86-64"
4432 elif enabled arm; then
4435 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
4436 enabled x86_32 && check_ldflags -Wl,--large-address-aware
4437 shlibdir_default="$bindir_default"
4440 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4441 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4442 dlltool="${cross_prefix}dlltool"
4443 if check_cmd lib.exe -list; then
4444 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4445 if enabled x86_64; then
4448 elif check_cmd $dlltool --version; then
4449 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
4451 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4453 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4454 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4455 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--disable-auto-image-base'
4459 check_ldflags -Wl,--nxcompat,--dynamicbase
4460 # Lets work around some stupidity in binutils.
4461 # ld will strip relocations from executables even though we need them
4462 # for dynamicbase (ASLR). Using -pie does retain the reloc section
4463 # however ld then forgets what the entry point should be (oops) so we
4464 # have to manually (re)set it.
4465 if enabled x86_32; then
4466 add_ldexeflags -Wl,--pic-executable,-e,_mainCRTStartup
4467 elif enabled x86_64; then
4468 add_ldexeflags -Wl,--pic-executable,-e,mainCRTStartup
4469 check_ldflags -Wl,--high-entropy-va # binutils 2.25
4470 # Set image base >4GB for extra entropy with HEASLR
4471 add_ldexeflags -Wl,--image-base,0x140000000
4472 append SHFLAGS -Wl,--image-base,0x180000000
4477 if enabled shared; then
4478 # Link to the import library instead of the normal static library
4481 # Cannot build both shared and static libs with MSVC or icl.
4484 enabled x86_32 && check_ldflags -LARGEADDRESSAWARE
4485 shlibdir_default="$bindir_default"
4488 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4489 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4490 SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
4491 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4493 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4494 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4495 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4502 shlibdir_default="$bindir_default"
4505 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4506 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4507 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4509 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
4510 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
4513 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
4515 *-dos|freedos|opendos)
4516 network_extralibs="-lsocket"
4519 add_cppflags -U__STRICT_ANSI__
4523 enable section_data_rel_ro
4527 ranlib="echo ignoring ranlib"
4533 add_cppflags -D_GNU_SOURCE
4534 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
4535 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
4539 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
4540 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
4541 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
4542 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
4543 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
4544 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
4545 emxexp $(OBJS) >> $(SUBDIR)$(NAME).def'
4546 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
4547 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
4548 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
4550 enable_weak os2threads
4553 add_cppflags -D_BSD_SOURCE
4558 add_cppflags -D_QNX_SOURCE
4559 network_extralibs="-lsocket"
4564 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
4565 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
4566 add_ldflags -Wl,--target1-abs,--no-undefined \
4567 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
4568 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
4569 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
4570 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
4571 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
4574 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
4579 add_cppflags -D_C99_SNPRINTF_EXTENSION \
4580 -D_REENTRANT_SOURCE \
4581 -D_RESEARCH_SOURCE \
4584 add_compat strtod.o strtod=avpriv_strtod
4585 network_extralibs='-lbsd'
4586 exeobjs=compat/plan9/main.o
4593 die "Unknown OS '$target_os'."
4597 # determine libc flavour
4602 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
4603 if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
4604 eval ${pfx}libc_type=uclibc
4605 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4606 elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then
4607 eval ${pfx}libc_type=glibc
4608 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4609 # MinGW headers can be installed on Cygwin, so check for newlib first.
4610 elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
4611 eval ${pfx}libc_type=newlib
4612 add_${pfx}cppflags -U__STRICT_ANSI__
4613 # MinGW64 is backwards compatible with MinGW32, so check for it first.
4614 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
4615 eval ${pfx}libc_type=mingw64
4616 if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then
4617 add_compat msvcrt/snprintf.o
4618 add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
4620 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4621 eval test \$${pfx_no_}cc_type = "gcc" &&
4622 add_${pfx}cppflags -D__printf__=__gnu_printf__
4623 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" ||
4624 check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
4625 eval ${pfx}libc_type=mingw32
4626 check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
4627 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
4628 die "ERROR: MinGW32 runtime version must be >= 3.15."
4629 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4630 eval test \$${pfx_no_}cc_type = "gcc" &&
4631 add_${pfx}cppflags -D__printf__=__gnu_printf__
4632 elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
4633 eval ${pfx}libc_type=msvcrt
4634 if check_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then
4635 if [ "$pfx" = host_ ]; then
4636 add_host_cppflags -Dsnprintf=_snprintf
4638 add_compat strtod.o strtod=avpriv_strtod
4639 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
4640 _snprintf=avpriv_snprintf \
4641 vsnprintf=avpriv_vsnprintf
4644 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
4645 # 0x601 by default unless something else is set by the user.
4646 # This can easily lead to us detecting functions only present
4647 # in such new versions and producing binaries requiring windows 7.0.
4648 # Therefore explicitly set the default to XP unless the user has
4649 # set something else on the command line.
4650 # Don't do this if WINAPI_FAMILY is set and is set to a non-desktop
4651 # family. For these cases, configure is free to use any functions
4652 # found in the SDK headers by default. (Alternatively, we could force
4653 # _WIN32_WINNT to 0x0602 in that case.)
4654 check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||
4655 { check_${pfx}cpp <<EOF && add_${pfx}cppflags -D_WIN32_WINNT=0x0502; }
4656 #ifdef WINAPI_FAMILY
4657 #include <winapifamily.h>
4658 #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
4663 elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
4664 eval ${pfx}libc_type=klibc
4665 elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then
4666 eval ${pfx}libc_type=bionic
4667 elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then
4668 eval ${pfx}libc_type=solaris
4669 add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
4671 check_${pfx}cc <<EOF
4673 void *v = localtime_r;
4675 test "$?" != 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
4677 void *v = localtime_r;
4683 test -n "$libc_type" && enable libc_$libc_type
4685 test -n "$host_libc_type" && enable host_libc_$host_libc_type
4689 add_compat strtod.o strtod=avpriv_strtod
4693 # hacks for compiler/libc/os combinations
4695 if enabled_all tms470 libc_glibc; then
4696 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
4697 add_cppflags -D__USER_LABEL_PREFIX__=
4698 add_cppflags -D__builtin_memset=memset
4699 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
4700 add_cflags -pds=48 # incompatible redefinition of macro
4703 if enabled_all ccc libc_glibc; then
4704 add_ldflags -Wl,-z,now # calls to libots crash without this
4707 check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||
4708 add_cppflags '-I\$(SRC_PATH)/compat/float'
4711 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
4714 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
4716 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
4719 : ${shlibdir_default:="$libdir"}
4720 : ${pkgconfigdir_default:="$libdir/pkgconfig"}
4722 set_default $PATHS_LIST
4725 # we need to build at least one lib type
4726 if ! enabled_any static shared; then
4728 At least one library type must be built.
4729 Specify --enable-static to build the static libraries or --enable-shared to
4730 build the shared libraries as well. To only build the shared libraries specify
4731 --disable-static in addition to --enable-shared.
4736 die_license_disabled() {
4737 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
4740 die_license_disabled_gpl() {
4741 enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }
4744 die_license_disabled gpl frei0r
4745 die_license_disabled gpl libcdio
4746 die_license_disabled gpl librubberband
4747 die_license_disabled gpl libsmbclient
4748 die_license_disabled gpl libutvideo
4749 die_license_disabled gpl libvidstab
4750 die_license_disabled gpl libx264
4751 die_license_disabled gpl libx265
4752 die_license_disabled gpl libxavs
4753 die_license_disabled gpl libxvid
4754 die_license_disabled gpl libzvbi
4755 die_license_disabled gpl x11grab
4757 die_license_disabled nonfree libaacplus
4758 die_license_disabled nonfree libfaac
4759 die_license_disabled nonfree nvenc
4760 enabled gpl && die_license_disabled_gpl nonfree libfdk_aac
4761 enabled gpl && die_license_disabled_gpl nonfree openssl
4763 die_license_disabled version3 libopencore_amrnb
4764 die_license_disabled version3 libopencore_amrwb
4765 die_license_disabled version3 libsmbclient
4766 die_license_disabled version3 libvo_aacenc
4767 die_license_disabled version3 libvo_amrwbenc
4769 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
4771 disabled optimizations || check_cflags -fomit-frame-pointer
4774 disabled pic && return
4777 case "$target_os" in
4787 enabled pic && enable_weak_pic
4789 check_cc <<EOF || die "Symbol mangling check failed."
4792 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
4793 extern_prefix=${sym%%ff_extern*}
4795 check_cc <<EOF && enable_weak inline_asm
4796 void foo(void) { __asm__ volatile ("" ::); }
4800 for restrict_keyword in restrict __restrict__ __restrict; do
4801 check_cc <<EOF && _restrict=$restrict_keyword && break
4802 void foo(char * $restrict_keyword p);
4806 check_cc <<EOF && enable pragma_deprecated
4807 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
4810 check_cc <<EOF && enable attribute_packed
4811 struct { int x; } __attribute__((packed)) x;
4814 check_cc <<EOF && enable attribute_may_alias
4815 union { int x; } __attribute__((may_alias)) x;
4818 check_cc <<EOF || die "endian test failed"
4819 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
4821 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
4823 if ! enabled ppc64 || enabled bigendian; then
4828 log "check_gas using '$as' as AS"
4829 # :vararg is used on aarch64, arm and ppc altivec
4830 check_as <<EOF || return 1
4831 .macro m n, y:vararg=0
4836 # .altmacro is only used in arm asm
4837 ! enabled arm || check_as <<EOF || return 1
4844 if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then
4846 enabled_any arm aarch64 && nogas=die
4847 enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn
4851 arm*) gaspp_as_type=armasm; as_noop=-h ;;
4852 gcc) gaspp_as_type=gas ;;
4853 *) gaspp_as_type=$as_type ;;
4856 [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"
4858 test "${as#*gas-preprocessor.pl}" != "$as" ||
4859 check_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- ${as:=$cc} $as_noop &&
4860 gas="${gas:=gas-preprocessor.pl} -arch $arch -as-type $gaspp_as_type -- ${as:=$cc}"
4862 if ! check_gas ; then
4865 $nogas "GNU assembler not found, install/update gas-preprocessor"
4868 check_as <<EOF && enable as_func
4874 check_inline_asm inline_asm_labels '"1:\n"'
4876 check_inline_asm inline_asm_nonlocal_labels '"Label:\n"'
4878 if enabled aarch64; then
4879 enabled armv8 && check_insn armv8 'prfm pldl1strm, [x0]'
4880 # internal assembler in clang 3.3 does not support this instruction
4881 enabled neon && check_insn neon 'ext v0.8B, v0.8B, v1.8B, #1'
4882 enabled vfp && check_insn vfp 'fmadd d0, d0, d1, d2'
4884 map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM
4886 elif enabled alpha; then
4890 elif enabled arm; then
4892 enabled msvc && check_cpp_condition stddef.h "defined _M_ARMT" && enable thumb
4894 check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb
4895 float func(float a, float b){ return a+b; }
4898 enabled thumb && check_cflags -mthumb || check_cflags -marm
4900 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
4902 elif check_cpp_condition stddef.h "defined _M_ARM_FP && _M_ARM_FP >= 30"; then
4904 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__" && [ $target_os != darwin ]; then
4905 case "${cross_prefix:-$cc}" in
4906 *hardfloat*) enable vfp_args; fpabi=vfp ;;
4907 *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
4908 __asm__ (".eabi_attribute 28, 1");
4909 int main(void) { return 0; }
4912 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
4915 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
4916 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
4917 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
4918 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
4919 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
4920 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
4921 enabled setend && check_insn setend 'setend be'
4923 [ $target_os = linux ] || [ $target_os = android ] ||
4924 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
4927 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
4929 check_as <<EOF && enable as_dn_directive
4934 # llvm's integrated assembler supports .object_arch from llvm 3.5
4935 [ "$objformat" = elf ] && check_as <<EOF && enable as_object_arch
4939 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
4941 elif enabled mips; then
4943 enabled loongson2 && check_inline_asm loongson2 '"dmult.g $8, $9, $10"'
4944 enabled loongson3 && check_inline_asm loongson3 '"gsldxc1 $f0, 0($2, $3)"'
4945 enabled mmi && check_inline_asm mmi '"punpcklhw $f0, $f0, $f0"'
4947 # Enable minimum ISA based on selected options
4948 if enabled mips64 && (enabled mipsdspr1 || enabled mipsdspr2); then
4949 add_cflags "-mips64r2"
4950 add_asflags "-mips64r2"
4951 elif enabled mips64 && enabled mipsfpu && disabled loongson2 && disabled loongson3; then
4952 add_cflags "-mips64"
4953 add_asflags "-mips64"
4954 elif enabled mipsdspr1 || enabled mipsdspr2; then
4955 add_cflags "-mips32r2 -mfp32"
4956 add_asflags "-mips32r2 -mfp32"
4957 elif enabled mips32r5 || enabled mips64r6; then
4958 check_cflags "-mfp64"
4959 check_ldflags "-mfp64"
4962 enabled mips32r5 && check_cflags "-mips32r5 -msched-weight -mload-store-pairs -funroll-loops" &&
4963 check_ldflags "-mips32r5" &&
4964 check_inline_asm mips32r5 '"ulw $t0, ($t1)"'
4965 enabled mips64r6 && check_cflags "-mips64r6 -msched-weight -mload-store-pairs -funroll-loops" &&
4966 check_ldflags "-mips64r6" &&
4967 check_inline_asm mips64r6 '"aui $t0, $t1, 1"'
4968 enabled mipsdspr1 && add_cflags "-mdsp" && add_asflags "-mdsp" &&
4969 check_inline_asm mipsdspr1 '"addu.qb $t0, $t1, $t2"'
4970 enabled mipsdspr2 && add_cflags "-mdspr2" && add_asflags "-mdspr2" &&
4971 check_inline_asm mipsdspr2 '"absq_s.qb $t0, $t1"'
4972 enabled mipsfpu && add_cflags "-mhard-float" && add_asflags "-mhard-float" &&
4973 check_inline_asm mipsfpu '"madd.d $f0, $f2, $f4, $f6"'
4974 enabled msa && check_cflags "-mmsa" && check_ldflags "-mmsa" &&
4975 check_inline_asm msa '"addvi.b $w0, $w1, 1"'
4977 enabled mips32r5 && add_asflags "-mips32r5 -mfp64"
4978 enabled mips64r6 && add_asflags "-mips64r6 -mfp64"
4979 enabled msa && add_asflags "-mmsa"
4981 elif enabled parisc; then
4983 if enabled gcc; then
4984 case $($cc -dumpversion) in
4985 4.[3-9].*) check_cflags -fno-optimize-sibling-calls ;;
4989 elif enabled ppc; then
4991 enable local_aligned_8 local_aligned_16 local_aligned_32
4993 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
4994 check_inline_asm ibm_asm '"add 0, 0, 0"'
4995 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
4996 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
4998 # AltiVec flags: The FSF version of GCC differs from the Apple version
4999 if enabled altivec; then
5000 check_cflags -maltivec -mabi=altivec &&
5001 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
5002 check_cflags -faltivec
5004 # check if our compiler supports Motorola AltiVec C API
5005 check_cc <<EOF || disable altivec
5008 vector signed int v1 = (vector signed int) { 0 };
5009 vector signed int v2 = (vector signed int) { 1 };
5010 v1 = vec_add(v1, v2);
5015 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
5018 if enabled vsx; then
5019 check_cflags -mvsx &&
5020 check_builtin vec_vsx_ld "altivec.h" "__builtin_vec_vsx_ld" || disable vsx
5023 if enabled power8; then
5024 check_cpp_condition "altivec.h" "defined(_ARCH_PWR8)" || disable power8
5027 elif enabled x86; then
5029 check_builtin rdtsc intrin.h "__rdtsc()"
5030 check_builtin mm_empty mmintrin.h "_mm_empty()"
5032 enable local_aligned_8 local_aligned_16 local_aligned_32
5034 # check whether EBP is available on x86
5035 # As 'i' is stored on the stack, this program will crash
5036 # if the base pointer is used to access it because the
5037 # base pointer is cleared in the inline assembly code.
5038 check_exec_crash <<EOF && enable ebp_available
5040 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
5044 # check whether EBX is available on x86
5045 check_inline_asm ebx_available '""::"b"(0)' &&
5046 check_inline_asm ebx_available '"":::"%ebx"'
5048 # check whether xmm clobbers are supported
5049 check_inline_asm xmm_clobbers '"":::"%xmm0"'
5051 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' ||
5052 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"'
5054 # check whether binutils is new enough to compile SSSE3/MMXEXT
5055 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
5056 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
5058 if ! disabled_any asm mmx yasm; then
5059 if check_cmd $yasmexe --version; then
5060 enabled x86_64 && yasm_extra="-m amd64"
5061 yasm_debug="-g dwarf2"
5062 elif check_cmd nasm -v; then
5064 yasm_debug="-g -F dwarf"
5065 if enabled x86_64; then
5066 case "$objformat" in
5067 elf) objformat=elf64 ;;
5068 win32) objformat=win64 ;;
5073 YASMFLAGS="-f $objformat $yasm_extra"
5074 enabled pic && append YASMFLAGS "-DPIC"
5075 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
5076 case "$objformat" in
5077 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
5080 check_yasm "movbe ecx, [5]" && enable yasm ||
5081 die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."
5082 check_yasm "vextracti128 xmm0, ymm0, 0" || disable avx2_external
5083 check_yasm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external
5084 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
5085 check_yasm "CPU amdnop" || disable cpunop
5089 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
5096 check_code cc arm_neon.h "int16x8_t test = vdupq_n_s16(0)" && enable intrinsics_neon
5098 check_ldflags -Wl,--as-needed
5099 check_ldflags -Wl,-z,noexecstack
5101 if check_func dlopen; then
5103 elif check_func dlopen -ldl; then
5107 frei0r_filter_extralibs='$ldl'
5108 frei0r_src_filter_extralibs='$ldl'
5109 ladspa_filter_extralibs='$ldl'
5110 nvenc_encoder_extralibs='$ldl'
5112 if ! disabled network; then
5113 check_func getaddrinfo $network_extralibs
5114 check_func inet_aton $network_extralibs
5116 check_type netdb.h "struct addrinfo"
5117 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
5118 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
5119 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
5120 check_type poll.h "struct pollfd"
5121 check_type netinet/sctp.h "struct sctp_event_subscribe"
5122 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
5123 check_type netinet/in.h "struct sockaddr_in6"
5124 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
5125 check_type "sys/types.h sys/socket.h" socklen_t
5127 # Prefer arpa/inet.h over winsock2
5128 if check_header arpa/inet.h ; then
5129 check_func closesocket
5130 elif check_header winsock2.h ; then
5131 check_func_headers winsock2.h closesocket -lws2 &&
5132 network_extralibs="-lws2" ||
5133 { check_func_headers winsock2.h closesocket -lws2_32 &&
5134 network_extralibs="-lws2_32"; } || disable winsock2_h network
5135 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
5137 check_type ws2tcpip.h socklen_t
5138 check_type ws2tcpip.h "struct addrinfo"
5139 check_type ws2tcpip.h "struct group_source_req"
5140 check_type ws2tcpip.h "struct ip_mreq_source"
5141 check_type ws2tcpip.h "struct ipv6_mreq"
5142 check_type winsock2.h "struct pollfd"
5143 check_struct winsock2.h "struct sockaddr" sa_len
5144 check_type ws2tcpip.h "struct sockaddr_in6"
5145 check_type ws2tcpip.h "struct sockaddr_storage"
5151 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
5152 check_builtin atomic_compare_exchange "" "int *ptr, *oldval; int newval; __atomic_compare_exchange_n(ptr, oldval, newval, 0, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST)"
5153 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
5154 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
5155 check_builtin sarestart signal.h "SA_RESTART"
5156 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
5157 check_builtin gmtime_r time.h "time_t *time; struct tm *tm; gmtime_r(time, tm)"
5158 check_builtin localtime_r time.h "time_t *time; struct tm *tm; localtime_r(time, tm)"
5160 case "$custom_allocator" in
5162 # jemalloc by default does not use a prefix
5163 require libjemalloc jemalloc/jemalloc.h malloc -ljemalloc
5166 require_pkg_config libtcmalloc gperftools/tcmalloc.h tc_malloc
5171 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
5172 check_func ${malloc_prefix}memalign && enable memalign
5173 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
5176 check_func_headers time.h clock_gettime || { check_func_headers time.h clock_gettime -lrt && add_extralibs -lrt && LIBRT="-lrt"; }
5179 check_func gethrtime
5181 check_func getrusage
5182 check_func gettimeofday
5184 check_func mach_absolute_time
5188 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
5189 check_func_headers time.h nanosleep || { check_func_headers time.h nanosleep -lrt && add_extralibs -lrt && LIBRT="-lrt"; }
5190 check_func sched_getaffinity
5191 check_func setrlimit
5192 check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE
5193 check_func strerror_r
5198 check_func_headers conio.h kbhit
5199 check_func_headers io.h setmode
5200 check_func_headers lzo/lzo1x.h lzo1x_999_compress
5201 check_func_headers stdlib.h getenv
5202 check_func_headers sys/stat.h lstat
5204 check_func_headers windows.h CoTaskMemFree -lole32
5205 check_func_headers windows.h GetProcessAffinityMask
5206 check_func_headers windows.h GetProcessTimes
5207 check_func_headers windows.h GetSystemTimeAsFileTime
5208 check_func_headers windows.h MapViewOfFile
5209 check_func_headers windows.h PeekNamedPipe
5210 check_func_headers windows.h SetConsoleTextAttribute
5211 check_func_headers windows.h SetConsoleCtrlHandler
5212 check_func_headers windows.h Sleep
5213 check_func_headers windows.h VirtualAlloc
5214 check_struct windows.h "CONDITION_VARIABLE" Ptr
5215 check_func_headers glob.h glob
5217 check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext
5219 check_header direct.h
5220 check_header dirent.h
5221 check_header dlfcn.h
5222 check_header d3d11.h
5224 check_header dxva2api.h -D_WIN32_WINNT=0x0600
5226 check_header libcrystalhd/libcrystalhd_if.h
5227 check_header mach/mach_time.h
5228 check_header malloc.h
5229 check_header net/udplite.h
5231 check_header sys/mman.h
5232 check_header sys/param.h
5233 check_header sys/resource.h
5234 check_header sys/select.h
5235 check_header sys/time.h
5236 check_header sys/un.h
5237 check_header termios.h
5238 check_header unistd.h
5239 check_header valgrind/valgrind.h
5240 check_header vdpau/vdpau.h
5241 check_header vdpau/vdpau_x11.h
5242 check_header VideoDecodeAcceleration/VDADecoder.h
5243 check_header VideoToolbox/VideoToolbox.h
5244 check_header windows.h
5245 check_header X11/extensions/XvMClib.h
5246 check_header asm/types.h
5248 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
5249 check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32
5250 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
5251 check_lib "CoreServices/CoreServices.h" UTGetOSTypeFromString "-framework CoreServices"
5253 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
5255 check_type "windows.h dxva.h" "DXVA_PicParams_HEVC" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0
5256 check_type "windows.h d3d11.h" "ID3D11VideoDecoder"
5257 check_type "windows.h d3d11.h" "ID3D11VideoContext"
5258 check_type "d3d9.h dxva2api.h" DXVA2_ConfigPictureDecode -D_WIN32_WINNT=0x0602
5260 check_type "va/va.h" "VAPictureParameterBufferHEVC"
5262 check_type "vdpau/vdpau.h" "VdpPictureInfoHEVC"
5264 check_cpp_condition windows.h "!WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)" && enable winrt || disable winrt
5266 if ! disabled w32threads && ! enabled pthreads; then
5267 check_func_headers "windows.h process.h" _beginthreadex &&
5268 enable w32threads || disable w32threads
5269 if ! enabled w32threads && enabled winrt; then
5270 check_func_headers "windows.h" CreateThread &&
5271 enable w32threads || disable w32threads
5275 # check for some common methods of building with pthread support
5276 # do this before the optional library checks as some of them require pthreads
5277 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
5279 if check_func pthread_join -pthread && check_func pthread_create -pthread; then
5281 add_extralibs -pthread
5282 elif check_func pthread_join -pthreads && check_func pthread_create -pthreads; then
5283 add_cflags -pthreads
5284 add_extralibs -pthreads
5285 elif check_func pthread_join -ldl -pthread && check_func pthread_create -ldl -pthread; then
5286 add_cflags -ldl -pthread
5287 add_extralibs -ldl -pthread
5288 elif check_func pthread_join -lpthreadGC2 && check_func pthread_create -lpthreadGC2; then
5289 add_extralibs -lpthreadGC2
5290 elif check_lib pthread.h pthread_join -lpthread && check_lib pthread.h pthread_create -lpthread; then
5292 elif ! check_func pthread_join && ! check_func pthread_create; then
5295 check_code cc "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER" || disable pthreads
5299 if enabled pthreads; then
5300 check_func pthread_cancel
5303 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
5304 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
5305 disabled lzma || check_lib2 lzma.h lzma_version_number -llzma || disable lzma
5307 check_lib math.h sin -lm && LIBM="-lm"
5308 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
5316 for func in $MATH_FUNCS; do
5317 eval check_mathfunc $func \${${func}_args:-1}
5320 # these are off by default, so fail if requested and not available
5321 enabled avfoundation_indev && { check_header_oc AVFoundation/AVFoundation.h || disable avfoundation_indev; }
5322 enabled avfoundation_indev && { check_lib2 CoreGraphics/CoreGraphics.h CGGetActiveDisplayList -framework CoreGraphics ||
5323 check_lib2 ApplicationServices/ApplicationServices.h CGGetActiveDisplayList -framework ApplicationServices; }
5324 enabled avisynth && { { check_lib2 "windows.h" LoadLibrary; } ||
5325 { check_lib2 "dlfcn.h" dlopen -ldl; } ||
5326 die "ERROR: LoadLibrary/dlopen not found for avisynth"; }
5327 enabled chromaprint && require chromaprint chromaprint.h chromaprint_get_version -lchromaprint
5328 enabled decklink && { check_header DeckLinkAPI.h || die "ERROR: DeckLinkAPI.h header not found"; }
5329 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
5330 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
5331 enabled ladspa && { check_header ladspa.h || die "ERROR: ladspa.h header not found"; }
5332 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
5333 enabled libaacplus && require "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
5334 enabled libass && require_pkg_config libass ass/ass.h ass_library_init
5335 enabled libbluray && require_pkg_config libbluray libbluray/bluray.h bd_open
5336 enabled libbs2b && require_pkg_config libbs2b bs2b.h bs2b_open
5337 enabled libcelt && require libcelt celt/celt.h celt_decode -lcelt0 &&
5338 { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
5339 die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
5340 enabled libcaca && require_pkg_config caca caca.h caca_create_canvas
5341 enabled libdcadec && require_pkg_config dcadec libdcadec/dca_context.h dcadec_context_create &&
5342 check_struct libdcadec/dca_context.h "struct dcadec_exss_info" matrix_encoding
5343 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
5344 enabled libfdk_aac && { use_pkg_config fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen ||
5345 { require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac &&
5346 warn "using libfdk without pkg-config"; } }
5347 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"
5348 enabled libflite && require2 libflite "flite/flite.h" flite_init $flite_libs
5349 enabled fontconfig && enable libfontconfig
5350 enabled libfontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
5351 enabled libfreetype && require_libfreetype
5352 enabled libfribidi && require_pkg_config fribidi fribidi.h fribidi_version_info
5353 enabled libgme && require libgme gme/gme.h gme_new_emu -lgme -lstdc++
5354 enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
5355 check_lib "${gsm_hdr}" gsm_create -lgsm && break;
5356 done || die "ERROR: libgsm not found"; }
5357 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
5358 enabled libkvazaar && require_pkg_config "kvazaar >= 0.7.1" kvazaar.h kvz_api_get
5359 enabled libmfx && require_pkg_config libmfx "mfx/mfxvideo.h" MFXInit
5360 enabled libmodplug && require_pkg_config libmodplug libmodplug/modplug.h ModPlug_Load
5361 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
5362 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
5363 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
5364 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
5365 enabled libopencv && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
5366 enabled libopenh264 && require_pkg_config openh264 wels/codec_api.h WelsGetCodecVersion
5367 enabled libopenjpeg && { check_lib openjpeg.h opj_version -lopenmj2 -DOPJ_STATIC ||
5368 check_lib openjpeg-1.5/openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||
5369 check_lib openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||
5370 die "ERROR: libopenjpeg not found"; }
5371 enabled libopus && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
5372 enabled libpulse && require_pkg_config libpulse pulse/pulseaudio.h pa_context_new
5373 enabled libquvi && require_pkg_config libquvi quvi/quvi.h quvi_init
5374 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
5375 enabled librubberband && require_pkg_config "rubberband >= 1.8.1" rubberband/rubberband-c.h rubberband_new
5376 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
5377 enabled libshine && require_pkg_config shine shine/layer3.h shine_encode_buffer
5378 enabled libsmbclient && { use_pkg_config smbclient libsmbclient.h smbc_init ||
5379 require smbclient libsmbclient.h smbc_init -lsmbclient; }
5380 enabled libsnappy && require snappy snappy-c.h snappy_compress -lsnappy
5381 enabled libsoxr && require libsoxr soxr.h soxr_create -lsoxr && LIBSOXR="-lsoxr"
5382 enabled libssh && require_pkg_config libssh libssh/sftp.h sftp_init
5383 enabled libspeex && require_pkg_config speex speex/speex.h speex_decoder_init -lspeex
5384 enabled libstagefright_h264 && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
5385 media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
5386 media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static
5387 enabled libtesseract && require_pkg_config tesseract tesseract/capi.h TessBaseAPICreate
5388 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
5389 enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame &&
5390 { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
5391 die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
5392 enabled libutvideo && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
5393 enabled libv4l2 && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
5394 enabled libvidstab && require_pkg_config "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit
5395 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
5396 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
5397 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
5400 enabled libvpx_vp8_decoder && {
5401 use_pkg_config "vpx >= 0.9.1" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp8_dx ||
5402 check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
5403 die "ERROR: libvpx decoder version must be >=0.9.1";
5405 enabled libvpx_vp8_encoder && {
5406 use_pkg_config "vpx >= 0.9.7" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp8_cx ||
5407 check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VP8E_SET_MAX_INTRA_BITRATE_PCT" -lvpx ||
5408 die "ERROR: libvpx encoder version must be >=0.9.7";
5410 enabled libvpx_vp9_decoder && {
5411 use_pkg_config "vpx >= 1.3.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx ||
5412 check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx ||
5413 disable libvpx_vp9_decoder;
5415 enabled libvpx_vp9_encoder && {
5416 use_pkg_config "vpx >= 1.3.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx ||
5417 check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VP9E_SET_AQ_MODE" -lvpx ||
5418 disable libvpx_vp9_encoder;
5420 if disabled_all libvpx_vp8_decoder libvpx_vp9_decoder libvpx_vp8_encoder libvpx_vp9_encoder; then
5421 die "libvpx enabled but no supported decoders found"
5425 enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack
5426 enabled libwebp && {
5427 enabled libwebp_encoder && require_pkg_config "libwebp >= 0.2.0" webp/encode.h WebPGetEncoderVersion
5428 enabled libwebp_anim_encoder && { use_pkg_config "libwebpmux >= 0.4.0" webp/mux.h WebPAnimEncoderOptionsInit || disable libwebp_anim_encoder; } }
5429 enabled libx264 && { use_pkg_config x264 "stdint.h x264.h" x264_encoder_encode ||
5430 { require libx264 x264.h x264_encoder_encode -lx264 &&
5431 warn "using libx264 without pkg-config"; } } &&
5432 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
5433 die "ERROR: libx264 must be installed and version must be >= 0.118."; } &&
5434 { check_cpp_condition x264.h "X264_MPEG2" &&
5436 enabled libx265 && require_pkg_config x265 x265.h x265_api_get &&
5437 { check_cpp_condition x265.h "X265_BUILD >= 57" ||
5438 die "ERROR: libx265 version must be >= 57."; }
5439 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
5440 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
5441 enabled libzimg && require_pkg_config zimg zimg.h zimg_get_api_version
5442 enabled libzmq && require_pkg_config libzmq zmq.h zmq_ctx_new
5443 enabled libzvbi && require libzvbi libzvbi.h vbi_decoder_new -lzvbi
5444 enabled mmal && { check_lib interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ||
5445 { ! enabled cross_compile && {
5446 add_cflags -isystem/opt/vc/include/ -isystem/opt/vc/include/interface/vmcs_host/linux -isystem/opt/vc/include/interface/vcos/pthreads -fgnu89-inline ;
5447 add_extralibs -L/opt/vc/lib/ -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ;
5448 check_lib interface/mmal/mmal.h mmal_port_connect ; }
5449 check_lib interface/mmal/mmal.h mmal_port_connect ; } ||
5450 die "ERROR: mmal not found"; }
5451 enabled nvenc && { check_header nvEncodeAPI.h || die "ERROR: nvEncodeAPI.h not found."; } &&
5452 { check_cpp_condition nvEncodeAPI.h "NVENCAPI_MAJOR_VERSION >= 5" ||
5453 die "ERROR: NVENC API version 4 or older is not supported"; } &&
5454 { [ $target_os != cygwin ] || die "ERROR: NVENC is not supported on Cygwin currently."; }
5455 enabled openal && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
5456 check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
5457 die "ERROR: openal not found"; } &&
5458 { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
5459 die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
5460 enabled opencl && { check_lib2 OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||
5461 check_lib2 CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||
5462 die "ERROR: opencl not found"; } &&
5463 { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||
5464 check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||
5465 die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }
5466 enabled opengl && { check_lib GL/glx.h glXGetProcAddress "-lGL" ||
5467 check_lib2 windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||
5468 check_lib2 OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||
5469 check_lib2 ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||
5470 die "ERROR: opengl not found."
5472 enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
5473 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
5474 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
5475 die "ERROR: openssl not found"; }
5476 enabled qtkit_indev && { check_header_oc QTKit/QTKit.h || disable qtkit_indev; }
5478 if enabled gnutls; then
5479 { check_lib2 gmp.h mpz_export -lgmp && enable gmp; } ||
5480 { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }
5484 if enabled libdc1394; then
5485 { require_pkg_config libdc1394-2 dc1394/dc1394.h dc1394_new &&
5486 enable libdc1394_2; } ||
5487 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
5488 enable libdc1394_1; } ||
5489 die "ERROR: No version of libdc1394 found "
5491 if ! disabled sdl; then
5492 SDL_CONFIG="${cross_prefix}sdl-config"
5493 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
5494 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
5495 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
5498 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
5499 sdl_cflags=$("${SDL_CONFIG}" --cflags)
5500 sdl_libs=$("${SDL_CONFIG}" --libs)
5501 check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
5502 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
5503 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
5505 elif enabled sdl ; then
5506 die "ERROR: SDL not found"
5511 if test $target_os = "mingw32"; then
5512 sdl_libs="$sdl_libs -mconsole"
5515 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
5517 disabled securetransport || { check_func SecIdentityCreate "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&
5518 check_lib2 "Security/SecureTransport.h Security/Security.h" "SSLCreateContext SecItemImport" "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&
5519 enable securetransport; }
5521 disabled schannel || { check_func_headers "windows.h Security.h" InitializeSecurityContext -DSECURITY_WIN32 -lSecur32 &&
5522 enable schannel && add_extralibs -lSecur32; }
5524 makeinfo --version > /dev/null 2>&1 && enable makeinfo || disable makeinfo
5526 && [ 0$(makeinfo --version | grep "texinfo" | sed 's/.*texinfo[^0-9]*\([0-9]*\)\..*/\1/') -ge 5 ] \
5527 && enable makeinfo_html || disable makeinfo_html
5528 disabled makeinfo_html && texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
5529 perl -v > /dev/null 2>&1 && enable perl || disable perl
5530 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
5531 rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout
5533 check_header linux/fb.h
5534 check_header linux/videodev.h
5535 check_header linux/videodev2.h
5536 check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete
5538 check_header sys/videoio.h
5539 check_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete
5541 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
5542 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
5543 # w32api 3.12 had it defined wrong
5544 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
5546 check_type "dshow.h" IBaseFilter
5548 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
5549 { check_header dev/bktr/ioctl_meteor.h &&
5550 check_header dev/bktr/ioctl_bt848.h; } ||
5551 { check_header machine/ioctl_meteor.h &&
5552 check_header machine/ioctl_bt848.h; } ||
5553 { check_header dev/video/meteor/ioctl_meteor.h &&
5554 check_header dev/video/bktr/ioctl_bt848.h; } ||
5555 check_header dev/ic/bt8xx.h
5557 check_header sndio.h
5558 if check_struct sys/soundcard.h audio_buf_info bytes; then
5559 enable_safe sys/soundcard.h
5561 check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
5562 #include <sys/soundcard.h>
5566 check_header soundcard.h
5568 enabled_any alsa_indev alsa_outdev &&
5569 check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
5571 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait &&
5572 check_func jack_port_get_latency_range -ljack
5574 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
5576 if enabled libcdio; then
5577 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
5578 check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
5579 die "ERROR: No usable libcdio/cdparanoia found"
5583 check_lib X11/Xlib.h XOpenDisplay -lX11 || disable xlib
5585 if ! disabled libxcb; then
5586 check_pkg_config "xcb >= 1.4" xcb/xcb.h xcb_connect || {
5587 enabled libxcb && die "ERROR: libxcb >= 1.4 not found";
5588 } && disable x11grab && enable libxcb
5590 if enabled libxcb; then
5591 disabled libxcb_shm || {
5592 check_pkg_config xcb-shm xcb/shm.h xcb_shm_attach || {
5593 enabled libxcb_shm && die "ERROR: libxcb_shm not found";
5594 } && check_header sys/shm.h && enable libxcb_shm; }
5596 disabled libxcb_xfixes || {
5597 check_pkg_config xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image || {
5598 enabled libxcb_xfixes && die "ERROR: libxcb_xfixes not found";
5599 } && enable libxcb_xfixes; }
5601 disabled libxcb_shape || {
5602 check_pkg_config xcb-shape xcb/shape.h xcb_shape_get_rectangles || {
5603 enabled libxcb_shape && die "ERROR: libxcb_shape not found";
5604 } && enable libxcb_shape; }
5606 add_cflags $xcb_cflags $xcb_shm_cflags $xcb_xfixes_cflags $xcb_shape_cflags
5607 add_extralibs $xcb_libs $xcb_shm_libs $xcb_xfixes_libs $xcb_shape_libs
5611 if enabled x11grab; then
5612 enabled xlib || die "ERROR: Xlib not found"
5613 require Xext X11/extensions/XShm.h XShmCreateImage -lXext
5614 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
5617 check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs"
5619 enabled dxva2api_h &&
5620 check_cc <<EOF && enable dxva2api_cobj
5621 #define _WIN32_WINNT 0x0600
5623 #include <windows.h>
5625 #include <dxva2api.h>
5626 int main(void) { IDirectXVideoDecoder *o = NULL; IDirectXVideoDecoder_Release(o); return 0; }
5630 check_lib va/va.h vaInitialize -lva ||
5633 enabled vaapi && enabled xlib &&
5634 check_lib2 "va/va.h va/va_x11.h" vaGetDisplay -lva -lva-x11 &&
5638 check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
5641 enabled vdpau && enabled xlib &&
5642 check_func_headers "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau &&
5643 prepend ffmpeg_libs $($ldflags_filter "-lvdpau") &&
5646 # Funny iconv installations are not unusual, so check it after all flags have been set
5647 disabled iconv || check_func_headers iconv.h iconv || check_lib2 iconv.h iconv -liconv || disable iconv
5649 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
5651 # add some useful compiler flags if supported
5652 check_cflags -Wdeclaration-after-statement
5654 check_cflags -Wdisabled-optimization
5655 check_cflags -Wpointer-arith
5656 check_cflags -Wredundant-decls
5657 check_cflags -Wwrite-strings
5658 check_cflags -Wtype-limits
5659 check_cflags -Wundef
5660 check_cflags -Wmissing-prototypes
5661 check_cflags -Wno-pointer-to-int-cast
5662 check_cflags -Wstrict-prototypes
5663 check_cflags -Wempty-body
5664 enabled extra_warnings && check_cflags -Winline
5666 check_disable_warning(){
5667 warning_flag=-W${1#-Wno-}
5668 test_cflags $warning_flag && add_cflags $1
5671 check_disable_warning -Wno-parentheses
5672 check_disable_warning -Wno-switch
5673 check_disable_warning -Wno-format-zero-length
5674 check_disable_warning -Wno-pointer-sign
5676 # add some linker flags
5677 check_ldflags -Wl,--warn-common
5678 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
5679 enabled rpath && add_ldexeflags -Wl,-rpath,$libdir
5680 enabled rpath && add_ldlibflags -Wl,-rpath,$libdir
5681 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
5683 # add some strip flags
5684 # -wN '..@*' is more selective than -x, but not available everywhere.
5685 check_stripflags -wN \'..@*\' || check_stripflags -x
5687 enabled neon_clobber_test &&
5688 check_ldflags -Wl,--wrap,avcodec_open2 \
5689 -Wl,--wrap,avcodec_decode_audio4 \
5690 -Wl,--wrap,avcodec_decode_video2 \
5691 -Wl,--wrap,avcodec_decode_subtitle2 \
5692 -Wl,--wrap,avcodec_encode_audio2 \
5693 -Wl,--wrap,avcodec_encode_video2 \
5694 -Wl,--wrap,avcodec_encode_subtitle \
5695 -Wl,--wrap,swr_convert \
5696 -Wl,--wrap,avresample_convert ||
5697 disable neon_clobber_test
5699 enabled xmm_clobber_test &&
5700 check_ldflags -Wl,--wrap,avcodec_open2 \
5701 -Wl,--wrap,avcodec_decode_audio4 \
5702 -Wl,--wrap,avcodec_decode_video2 \
5703 -Wl,--wrap,avcodec_decode_subtitle2 \
5704 -Wl,--wrap,avcodec_encode_audio2 \
5705 -Wl,--wrap,avcodec_encode_video2 \
5706 -Wl,--wrap,avcodec_encode_subtitle \
5707 -Wl,--wrap,swr_convert \
5708 -Wl,--wrap,avresample_convert \
5709 -Wl,--wrap,sws_scale ||
5710 disable xmm_clobber_test
5712 echo "X { local: *; };" > $TMPV
5713 if test_ldflags -Wl,--version-script,$TMPV; then
5714 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
5715 elif test_ldflags -Wl,-M,$TMPV; then
5716 append SHFLAGS '-Wl,-M,\$(SUBDIR)lib\$(NAME).ver-sol2'
5719 check_cc <<EOF && enable symver_asm_label
5720 void ff_foo(void) __asm__ ("av_foo@VERSION");
5721 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
5723 check_cc <<EOF && enable symver_gnu_asm
5724 __asm__(".symver ff_foo,av_foo@VERSION");
5725 void ff_foo(void) {}
5728 if [ -z "$optflags" ]; then
5729 if enabled small; then
5730 optflags=$cflags_size
5731 elif enabled optimizations; then
5732 optflags=$cflags_speed
5734 optflags=$cflags_noopt
5740 enabled lto && check_ldflags "$@"
5744 if enabled lto; then
5745 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
5747 check_ldflags -flto $cpuflags
5748 disable inline_asm_direct_symbol_refs
5751 check_optflags $optflags
5752 check_optflags -fno-math-errno
5753 check_optflags -fno-signed-zeros
5755 enabled ftrapv && check_cflags -ftrapv
5757 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
5762 if enabled icc; then
5763 # Just warnings, no remarks
5765 # -wd: Disable following warnings
5766 # 144, 167, 556: -Wno-pointer-sign
5767 # 188: enumerated type mixed with another type
5768 # 1292: attribute "foo" ignored
5769 # 1419: external declaration in primary source file
5770 # 10006: ignoring unknown option -fno-signed-zeros
5771 # 10148: ignoring unknown option -Wno-parentheses
5772 # 10156: ignoring option '-W'; no argument required
5773 # 13200: No EMMS instruction before call to function
5774 # 13203: No EMMS instruction before return from function
5775 check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156,13200,13203
5776 # 11030: Warning unknown option --as-needed
5777 # 10156: ignoring option '-export'; no argument required
5778 check_ldflags -wd10156,11030
5779 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
5780 enable ebp_available
5781 # The test above does not test linking
5782 enabled lto && disable symver_asm_label
5783 if enabled x86_32; then
5784 icc_version=$($cc -dumpversion)
5785 test ${icc_version%%.*} -ge 11 &&
5786 check_cflags -falign-stack=maintain-16-byte ||
5787 disable aligned_stack
5789 elif enabled ccc; then
5790 # disable some annoying warnings
5791 add_cflags -msg_disable bitnotint
5792 add_cflags -msg_disable mixfuncvoid
5793 add_cflags -msg_disable nonstandcast
5794 add_cflags -msg_disable unsupieee
5795 elif enabled gcc; then
5796 check_optflags -fno-tree-vectorize
5797 check_cflags -Werror=format-security
5798 check_cflags -Werror=implicit-function-declaration
5799 check_cflags -Werror=missing-prototypes
5800 check_cflags -Werror=return-type
5801 check_cflags -Werror=vla
5802 check_cflags -Wformat
5803 check_cflags -fdiagnostics-color=auto
5804 enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized
5805 elif enabled llvm_gcc; then
5806 check_cflags -mllvm -stack-alignment=16
5807 elif enabled clang; then
5808 check_cflags -mllvm -stack-alignment=16
5809 check_cflags -Qunused-arguments
5810 check_cflags -Werror=implicit-function-declaration
5811 check_cflags -Werror=missing-prototypes
5812 check_cflags -Werror=return-type
5813 elif enabled cparser; then
5814 add_cflags -Wno-missing-variable-declarations
5815 add_cflags -Wno-empty-statement
5816 elif enabled armcc; then
5817 add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat
5818 add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir
5819 # 2523: use of inline assembly is deprecated
5820 add_cflags -W${armcc_opt},--diag_suppress=2523
5821 add_cflags -W${armcc_opt},--diag_suppress=1207
5822 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
5823 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
5824 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
5825 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
5826 elif enabled tms470; then
5827 add_cflags -pds=824 -pds=837
5829 elif enabled pathscale; then
5830 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
5831 elif enabled_any msvc icl; then
5832 enabled x86_32 && disable aligned_stack
5833 enabled_all x86_32 debug && add_cflags -Oy-
5834 enabled debug && add_ldflags -debug
5835 enable pragma_deprecated
5836 if enabled icl; then
5837 # -Qansi-alias is basically -fstrict-aliasing, but does not work
5838 # (correctly) on icl 13.x.
5839 check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&
5840 add_cflags -Qansi-alias
5841 # Some inline asm is not compilable in debug
5842 if enabled debug; then
5843 disable ebp_available
5844 disable ebx_available
5847 # msvcrt10 x64 incorrectly enables log2, only msvcrt12 (MSVC 2013) onwards actually has log2.
5848 check_cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION >= 12" || disable log2
5849 # The CRT headers contain __declspec(restrict) in a few places, but if redefining
5850 # restrict, this might break. MSVC 2010 and 2012 fail with __declspec(__restrict)
5851 # (as it ends up if the restrict redefine is done before including stdlib.h), while
5852 # MSVC 2013 and newer can handle it fine.
5853 # If this declspec fails, force including stdlib.h before the restrict redefinition
5854 # happens in config.h.
5855 if [ $_restrict != restrict ]; then
5856 check_cc <<EOF || add_cflags -FIstdlib.h
5857 __declspec($_restrict) void* foo(int);
5860 check_func strtoll || add_cflags -Dstrtoll=_strtoi64
5863 for pfx in "" host_; do
5864 varname=${pfx%_}cc_type
5865 eval "type=\$$varname"
5866 if [ $type = "msvc" ]; then
5867 check_${pfx}cc <<EOF || add_${pfx}cflags -Dinline=__inline
5868 static inline int foo(int a) { return a; }
5875 add_asflags -Qunused-arguments
5881 check_ldflags -Qunused-arguments
5887 enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'
5890 add_cppflags -Dmain=plan9_main
5894 enable frame_thread_encoder
5896 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
5898 check_deps $CONFIG_LIST \
5903 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"
5906 if test $target_os = "haiku"; then
5908 disable posix_memalign
5911 enabled_all dxva2 dxva2api_cobj CoTaskMemFree &&
5912 prepend ffmpeg_libs $($ldflags_filter "-lole32" "-luser32") &&
5915 ! enabled_any memalign posix_memalign aligned_malloc &&
5916 enabled simd_align_16 && enable memalign_hack
5919 # -> enable ${lib}_deps_${dep}
5920 # -> add $dep to ${lib}_deps only once
5924 enabled "${lib}_deps_${dep}" && return 0
5925 enable "${lib}_deps_${dep}"
5926 prepend "${lib}_deps" $dep
5929 # merge deps lib components
5930 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
5935 enabled $comp || continue
5936 eval "dep=\"\$${comp}_deps\""
5943 merge_deps libavfilter $FILTER_LIST
5945 map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST
5947 for thread in $THREADS_LIST; do
5948 if enabled $thread; then
5949 test -n "$thread_type" &&
5950 die "ERROR: Only one thread type must be selected." ||
5951 thread_type="$thread"
5955 enabled zlib && add_cppflags -DZLIB_CONST
5957 # conditional library dependencies, in linking order
5958 enabled amovie_filter && prepend avfilter_deps "avformat avcodec"
5959 enabled aresample_filter && prepend avfilter_deps "swresample"
5960 enabled asyncts_filter && prepend avfilter_deps "avresample"
5961 enabled atempo_filter && prepend avfilter_deps "avcodec"
5962 enabled cover_rect_filter && prepend avfilter_deps "avformat avcodec"
5963 enabled ebur128_filter && enabled swresample && prepend avfilter_deps "swresample"
5964 enabled elbg_filter && prepend avfilter_deps "avcodec"
5965 enabled fftfilt_filter && prepend avfilter_deps "avcodec"
5966 enabled find_rect_filter && prepend avfilter_deps "avformat avcodec"
5967 enabled mcdeint_filter && prepend avfilter_deps "avcodec"
5968 enabled movie_filter && prepend avfilter_deps "avformat avcodec"
5969 enabled pan_filter && prepend avfilter_deps "swresample"
5970 enabled pp_filter && prepend avfilter_deps "postproc"
5971 enabled removelogo_filter && prepend avfilter_deps "avformat avcodec swscale"
5972 enabled resample_filter && prepend avfilter_deps "avresample"
5973 enabled sab_filter && prepend avfilter_deps "swscale"
5974 enabled scale_filter && prepend avfilter_deps "swscale"
5975 enabled scale2ref_filter && prepend avfilter_deps "swscale"
5976 enabled showspectrum_filter && prepend avfilter_deps "avcodec"
5977 enabled smartblur_filter && prepend avfilter_deps "swscale"
5978 enabled subtitles_filter && prepend avfilter_deps "avformat avcodec"
5979 enabled uspp_filter && prepend avfilter_deps "avcodec"
5981 enabled lavfi_indev && prepend avdevice_deps "avfilter"
5983 enabled opus_decoder && prepend avcodec_deps "swresample"
5987 eval "deps=\$$lib_deps"
5988 append $lib_deps $(map 'eval echo \$${v}_deps' $deps)
5992 #we have to remove gpl from the deps here as some code assumes all lib deps are libs
5993 postproc_deps="$(filter_out 'gpl' $postproc_deps)"
5995 map 'expand_deps $v' $LIBRARY_LIST
5997 echo "install prefix $prefix"
5998 echo "source path $source_path"
5999 echo "C compiler $cc"
6000 echo "C library $libc_type"
6001 if test "$host_cc" != "$cc"; then
6002 echo "host C compiler $host_cc"
6003 echo "host C library $host_libc_type"
6005 echo "ARCH $arch ($cpu)"
6006 if test "$build_suffix" != ""; then
6007 echo "build suffix $build_suffix"
6009 if test "$progs_suffix" != ""; then
6010 echo "progs suffix $progs_suffix"
6012 if test "$extra_version" != ""; then
6013 echo "version string suffix $extra_version"
6015 echo "big-endian ${bigendian-no}"
6016 echo "runtime cpu detection ${runtime_cpudetect-no}"
6017 if enabled x86; then
6018 echo "${yasmexe} ${yasm-no}"
6019 echo "MMX enabled ${mmx-no}"
6020 echo "MMXEXT enabled ${mmxext-no}"
6021 echo "3DNow! enabled ${amd3dnow-no}"
6022 echo "3DNow! extended enabled ${amd3dnowext-no}"
6023 echo "SSE enabled ${sse-no}"
6024 echo "SSSE3 enabled ${ssse3-no}"
6025 echo "AESNI enabled ${aesni-no}"
6026 echo "AVX enabled ${avx-no}"
6027 echo "XOP enabled ${xop-no}"
6028 echo "FMA3 enabled ${fma3-no}"
6029 echo "FMA4 enabled ${fma4-no}"
6030 echo "i686 features enabled ${i686-no}"
6031 echo "CMOV is fast ${fast_cmov-no}"
6032 echo "EBX available ${ebx_available-no}"
6033 echo "EBP available ${ebp_available-no}"
6035 if enabled aarch64; then
6036 echo "NEON enabled ${neon-no}"
6037 echo "VFP enabled ${vfp-no}"
6039 if enabled arm; then
6040 echo "ARMv5TE enabled ${armv5te-no}"
6041 echo "ARMv6 enabled ${armv6-no}"
6042 echo "ARMv6T2 enabled ${armv6t2-no}"
6043 echo "VFP enabled ${vfp-no}"
6044 echo "NEON enabled ${neon-no}"
6045 echo "THUMB enabled ${thumb-no}"
6047 if enabled mips; then
6048 echo "MIPS FPU enabled ${mipsfpu-no}"
6049 echo "MIPS32R5 enabled ${mips32r5-no}"
6050 echo "MIPS64R6 enabled ${mips64r6-no}"
6051 echo "MIPS DSP R1 enabled ${mipsdspr1-no}"
6052 echo "MIPS DSP R2 enabled ${mipsdspr2-no}"
6053 echo "MIPS MSA enabled ${msa-no}"
6054 echo "LOONGSON MMI enabled ${mmi-no}"
6056 if enabled ppc; then
6057 echo "AltiVec enabled ${altivec-no}"
6058 echo "VSX enabled ${vsx-no}"
6059 echo "POWER8 enabled ${power8-no}"
6060 echo "PPC 4xx optimizations ${ppc4xx-no}"
6061 echo "dcbzl available ${dcbzl-no}"
6063 echo "debug symbols ${debug-no}"
6064 echo "strip symbols ${stripping-no}"
6065 echo "optimize for size ${small-no}"
6066 echo "optimizations ${optimizations-no}"
6067 echo "static ${static-no}"
6068 echo "shared ${shared-no}"
6069 echo "postprocessing support ${postproc-no}"
6070 echo "new filter support ${avfilter-no}"
6071 echo "network support ${network-no}"
6072 echo "threading support ${thread_type-no}"
6073 echo "safe bitstream reader ${safe_bitstream_reader-no}"
6074 echo "SDL support ${sdl-no}"
6075 echo "opencl enabled ${opencl-no}"
6076 echo "texi2html enabled ${texi2html-no}"
6077 echo "perl enabled ${perl-no}"
6078 echo "pod2man enabled ${pod2man-no}"
6079 echo "makeinfo enabled ${makeinfo-no}"
6080 echo "makeinfo supports HTML ${makeinfo_html-no}"
6081 test -n "$random_seed" &&
6082 echo "random seed ${random_seed}"
6085 echo "Enabled programs:"
6086 print_enabled '' $PROGRAM_LIST | print_in_columns
6089 echo "External libraries:"
6090 print_enabled '' $EXTERNAL_LIBRARY_LIST | print_in_columns
6093 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
6094 echo "Enabled ${type}s:"
6095 eval list=\$$(toupper $type)_LIST
6096 print_enabled '_*' $list | print_in_columns
6100 license="LGPL version 2.1 or later"
6101 if enabled nonfree; then
6102 license="nonfree and unredistributable"
6103 elif enabled gplv3; then
6104 license="GPL version 3 or later"
6105 elif enabled lgplv3; then
6106 license="LGPL version 3 or later"
6107 elif enabled gpl; then
6108 license="GPL version 2 or later"
6111 echo "License: $license"
6113 echo "Creating config.mak, config.h, and doc/config.texi..."
6115 test -e Makefile || echo "include $source_path/Makefile" > Makefile
6117 enabled stripping || strip="echo skipping strip"
6119 config_files="$TMPH config.mak doc/config.texi"
6121 cat > config.mak <<EOF
6122 # Automatically generated by configure - do not modify!
6123 ifndef FFMPEG_CONFIG_MAK
6125 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
6127 LIBDIR=\$(DESTDIR)$libdir
6128 SHLIBDIR=\$(DESTDIR)$shlibdir
6129 INCDIR=\$(DESTDIR)$incdir
6130 BINDIR=\$(DESTDIR)$bindir
6131 DATADIR=\$(DESTDIR)$datadir
6132 DOCDIR=\$(DESTDIR)$docdir
6133 MANDIR=\$(DESTDIR)$mandir
6134 PKGCONFIGDIR=\$(DESTDIR)$pkgconfigdir
6135 SRC_PATH=$source_path
6136 ifndef MAIN_MAKEFILE
6137 SRC_PATH:=\$(SRC_PATH:.%=..%)
6141 INTRINSICS=$intrinsics
6147 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
6149 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
6178 LDEXEFLAGS=$LDEXEFLAGS
6179 LDLIBFLAGS=$LDLIBFLAGS
6180 SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
6181 ASMSTRIPFLAGS=$ASMSTRIPFLAGS
6182 YASMFLAGS=$YASMFLAGS
6183 BUILDSUF=$build_suffix
6184 PROGSSUF=$progs_suffix
6192 EXTRA_VERSION=$extra_version
6195 CCDEP_FLAGS=$CCDEP_FLAGS
6197 ASDEP_FLAGS=$ASDEP_FLAGS
6198 CC_DEPFLAGS=$CC_DEPFLAGS
6199 AS_DEPFLAGS=$AS_DEPFLAGS
6202 HOSTCFLAGS=$host_cflags
6203 HOSTCPPFLAGS=$host_cppflags
6204 HOSTEXESUF=$HOSTEXESUF
6205 HOSTLDFLAGS=$host_ldflags
6208 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
6209 HOSTCCDEP=$HOSTCCDEP
6210 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
6211 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
6215 TARGET_EXEC=$target_exec $target_exec_args
6216 TARGET_PATH=$target_path
6217 TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}
6218 CFLAGS-ffplay=$sdl_cflags
6219 ZLIB=$($ldflags_filter -lz)
6220 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
6221 EXTRALIBS=$extralibs
6222 COMPAT_OBJS=$compat_objs
6225 LIBTARGET=${LIBTARGET}
6226 SLIBNAME=${SLIBNAME}
6227 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
6228 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
6229 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
6230 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
6231 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
6232 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
6233 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
6234 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
6235 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
6236 NOREDZONE_FLAGS=$noredzone_flags
6241 name=$(toupper $lcname)
6242 file=$source_path/$lcname/version.h
6243 eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")
6244 enabled raise_major && eval ${name}_VERSION_MAJOR=$((${name}_VERSION_MAJOR+100))
6245 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
6246 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
6247 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
6248 eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak
6251 map 'get_version $v' $LIBRARY_LIST
6253 map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> config.mak' $LIBRARY_LIST
6255 print_program_libs(){
6256 eval "program_libs=\$${1}_libs"
6257 eval echo "LIBS-${1}=${program_libs}" >> config.mak
6260 map 'print_program_libs $v' $PROGRAM_LIST
6263 /* Automatically generated by configure - do not modify! */
6264 #ifndef FFMPEG_CONFIG_H
6265 #define FFMPEG_CONFIG_H
6266 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
6267 #define FFMPEG_LICENSE "$(c_escape $license)"
6268 #define CONFIG_THIS_YEAR 2015
6269 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
6270 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
6271 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
6272 #define av_restrict $_restrict
6273 #define EXTERN_PREFIX "${extern_prefix}"
6274 #define EXTERN_ASM ${extern_prefix}
6275 #define BUILDSUF "$build_suffix"
6276 #define SLIBSUF "$SLIBSUF"
6277 #define HAVE_MMX2 HAVE_MMXEXT
6278 #define SWS_MAX_FILTER_SIZE $sws_max_filter_size
6281 test -n "$assert_level" &&
6282 echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
6284 test -n "$malloc_prefix" &&
6285 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
6287 if enabled yasm; then
6288 append config_files $TMPASM
6292 enabled getenv || echo "#define getenv(x) NULL" >> $TMPH
6298 echo "@c auto-generated by configure - do not modify! " > doc/config.texi
6300 print_config ARCH_ "$config_files" $ARCH_LIST
6301 print_config HAVE_ "$config_files" $HAVE_LIST
6302 print_config CONFIG_ "$config_files" $CONFIG_LIST \
6306 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
6307 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
6309 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
6310 cp_if_changed $TMPH config.h
6313 enabled yasm && cp_if_changed $TMPASM config.asm
6316 /* Generated by ffconf */
6317 #ifndef AVUTIL_AVCONFIG_H
6318 #define AVUTIL_AVCONFIG_H
6321 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
6323 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
6325 cp_if_changed $TMPH libavutil/avconfig.h
6327 if test -n "$WARNINGS"; then
6328 printf "\n%s%s$WARNINGS%s" "$warn_color" "$bold_color" "$reset_color"
6329 enabled fatal_warnings && exit 1
6332 # build pkg-config files
6335 eval printf "\"lib${1}${build_suffix} >= \$LIB$(toupper ${1})_VERSION, \""
6338 pkgconfig_generate(){
6340 shortname=${name#lib}${build_suffix}
6344 requires=$(map 'lib_version $v' $(eval echo \$${name#lib}_deps))
6345 requires=${requires%, }
6346 enabled ${name#lib} || return 0
6348 cat <<EOF > $name/$name${build_suffix}.pc
6350 exec_prefix=\${prefix}
6355 Description: $comment
6357 Requires: $(enabled shared || echo $requires)
6358 Requires.private: $(enabled shared && echo $requires)
6360 Libs: -L\${libdir} $(enabled rpath && echo "-Wl,-rpath,\${libdir}") -l${shortname} $(enabled shared || echo $libs)
6361 Libs.private: $(enabled shared && echo $libs)
6362 Cflags: -I\${includedir}
6365 mkdir -p doc/examples/pc-uninstalled
6366 includedir=${source_path}
6367 [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."
6368 cat <<EOF > doc/examples/pc-uninstalled/$name.pc
6371 libdir=\${pcfiledir}/../../../$name
6372 includedir=${includedir}
6375 Description: $comment
6379 Libs: -L\${libdir} -Wl,-rpath,\${libdir} -l${shortname} $(enabled shared || echo $libs)
6380 Cflags: -I\${includedir}
6384 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBRT $LIBM"
6385 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs"
6386 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs"
6387 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs"
6388 pkgconfig_generate libavfilter "FFmpeg audio/video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
6389 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" ""
6390 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$LIBM"
6391 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM"
6392 pkgconfig_generate libswresample "FFmpeg audio resampling library" "$LIBSWRESAMPLE_VERSION" "$LIBM $LIBSOXR"