3 # FFmpeg configure script
5 # Copyright (c) 2000-2002 Fabrice Bellard
6 # Copyright (c) 2005-2008 Diego Biurrun
7 # Copyright (c) 2005-2008 Mans Rullgard
10 # Prevent locale nonsense from breaking basic text processing.
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
18 echo "Trying shell $1"
19 type "$1" > /dev/null 2>&1 && exec "$@"
23 (: ${foo%%bar}) 2> /dev/null
26 (: ${foo?}) 2> /dev/null
29 if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
32 if test "0$FF_CONF_EXEC" -lt 1; then
34 try_exec bash "$0" "$@"
36 if test "0$FF_CONF_EXEC" -lt 2; then
38 try_exec ksh "$0" "$@"
40 if test "0$FF_CONF_EXEC" -lt 3; then
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
44 echo "No compatible shell script interpreter found."
45 echo "This configure script requires a POSIX-compatible shell"
46 echo "such as bash or ksh."
47 echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken FFmpeg."
50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
57 test -d /usr/xpg4/bin && PATH=/usr/xpg4/bin:$PATH
61 Usage: configure [options]
62 Options: [defaults in brackets after descriptions]
65 --help print this message
66 --list-decoders show all available decoders
67 --list-encoders show all available encoders
68 --list-hwaccels show all available hardware accelerators
69 --list-demuxers show all available demuxers
70 --list-muxers show all available muxers
71 --list-parsers show all available parsers
72 --list-protocols show all available protocols
73 --list-bsfs show all available bitstream filters
74 --list-indevs show all available input devices
75 --list-outdevs show all available output devices
76 --list-filters show all available filters
79 --logfile=FILE log tests and output to FILE [config.log]
80 --disable-logging do not log configure debug information
81 --fatal-warnings fail if any configure warning is generated
82 --prefix=PREFIX install in PREFIX [$prefix]
83 --bindir=DIR install binaries in DIR [PREFIX/bin]
84 --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg]
85 --docdir=DIR install documentation in DIR [PREFIX/share/doc/ffmpeg]
86 --libdir=DIR install libs in DIR [PREFIX/lib]
87 --shlibdir=DIR install shared libs in DIR [LIBDIR]
88 --incdir=DIR install includes in DIR [PREFIX/include]
89 --mandir=DIR install man page in DIR [PREFIX/share/man]
90 --pkgconfigdir=DIR install pkg-config files in DIR [LIBDIR/pkgconfig]
91 --enable-rpath use rpath to allow installing libraries in paths
92 not part of the dynamic linker search path
93 use rpath when linking programs [USE WITH CARE]
96 --enable-gpl allow use of GPL code, the resulting libs
97 and binaries will be under GPL [no]
98 --enable-version3 upgrade (L)GPL to version 3 [no]
99 --enable-nonfree allow use of nonfree code, the resulting libs
100 and binaries will be unredistributable [no]
102 Configuration options:
103 --disable-static do not build static libraries [no]
104 --enable-shared build shared libraries [no]
105 --enable-small optimize for size instead of speed
106 --disable-runtime-cpudetect disable detecting cpu capabilities at runtime (smaller binary)
107 --enable-gray enable full grayscale support (slower color)
108 --disable-swscale-alpha disable alpha channel support in swscale
109 --disable-all disable building components, libraries and programs
110 --enable-incompatible-libav-abi enable incompatible Libav fork ABI [no]
111 --enable-raise-major increase major version numbers in sonames [no]
114 --disable-programs do not build command line programs
115 --disable-ffmpeg disable ffmpeg build
116 --disable-ffplay disable ffplay build
117 --disable-ffprobe disable ffprobe build
118 --disable-ffserver disable ffserver build
120 Documentation options:
121 --disable-doc do not build documentation
122 --disable-htmlpages do not build HTML documentation pages
123 --disable-manpages do not build man documentation pages
124 --disable-podpages do not build POD documentation pages
125 --disable-txtpages do not build text documentation pages
128 --disable-avdevice disable libavdevice build
129 --disable-avcodec disable libavcodec build
130 --disable-avformat disable libavformat build
131 --disable-avutil disable libavutil build
132 --disable-swresample disable libswresample build
133 --disable-swscale disable libswscale build
134 --disable-postproc disable libpostproc build
135 --disable-avfilter disable libavfilter build
136 --enable-avresample enable libavresample build [no]
137 --disable-pthreads disable pthreads [autodetect]
138 --disable-w32threads disable Win32 threads [autodetect]
139 --disable-os2threads disable OS/2 threads [autodetect]
140 --disable-network disable network support [no]
141 --disable-dct disable DCT code
142 --disable-dwt disable DWT code
143 --disable-error-resilience disable error resilience code
144 --disable-lsp disable LSP code
145 --disable-lzo disable LZO decoder code
146 --disable-mdct disable MDCT code
147 --disable-rdft disable RDFT code
148 --disable-fft disable FFT code
149 --disable-faan disable floating point AAN (I)DCT code
150 --disable-pixelutils disable pixel utils in libavutil
152 Hardware accelerators:
153 --disable-d3d11va disable D3D11VA code [autodetect]
154 --disable-dxva2 disable DXVA2 code [autodetect]
155 --disable-vaapi disable VAAPI code [autodetect]
156 --disable-vda disable VDA code [autodetect]
157 --disable-vdpau disable VDPAU code [autodetect]
158 --enable-videotoolbox enable VideoToolbox code [autodetect]
160 Individual component options:
161 --disable-everything disable all components listed below
162 --disable-encoder=NAME disable encoder NAME
163 --enable-encoder=NAME enable encoder NAME
164 --disable-encoders disable all encoders
165 --disable-decoder=NAME disable decoder NAME
166 --enable-decoder=NAME enable decoder NAME
167 --disable-decoders disable all decoders
168 --disable-hwaccel=NAME disable hwaccel NAME
169 --enable-hwaccel=NAME enable hwaccel NAME
170 --disable-hwaccels disable all hwaccels
171 --disable-muxer=NAME disable muxer NAME
172 --enable-muxer=NAME enable muxer NAME
173 --disable-muxers disable all muxers
174 --disable-demuxer=NAME disable demuxer NAME
175 --enable-demuxer=NAME enable demuxer NAME
176 --disable-demuxers disable all demuxers
177 --enable-parser=NAME enable parser NAME
178 --disable-parser=NAME disable parser NAME
179 --disable-parsers disable all parsers
180 --enable-bsf=NAME enable bitstream filter NAME
181 --disable-bsf=NAME disable bitstream filter NAME
182 --disable-bsfs disable all bitstream filters
183 --enable-protocol=NAME enable protocol NAME
184 --disable-protocol=NAME disable protocol NAME
185 --disable-protocols disable all protocols
186 --enable-indev=NAME enable input device NAME
187 --disable-indev=NAME disable input device NAME
188 --disable-indevs disable input devices
189 --enable-outdev=NAME enable output device NAME
190 --disable-outdev=NAME disable output device NAME
191 --disable-outdevs disable output devices
192 --disable-devices disable all devices
193 --enable-filter=NAME enable filter NAME
194 --disable-filter=NAME disable filter NAME
195 --disable-filters disable all filters
197 External library support:
198 --enable-avisynth enable reading of AviSynth script files [no]
199 --disable-bzlib disable bzlib [autodetect]
200 --enable-fontconfig enable fontconfig, useful for drawtext filter [no]
201 --enable-frei0r enable frei0r video filtering [no]
202 --enable-gnutls enable gnutls, needed for https support
203 if openssl is not used [no]
204 --disable-iconv disable iconv [autodetect]
205 --enable-ladspa enable LADSPA audio filtering [no]
206 --enable-libaacplus enable AAC+ encoding via libaacplus [no]
207 --enable-libass enable libass subtitles rendering,
208 needed for subtitles and ass filter [no]
209 --enable-libbluray enable BluRay reading using libbluray [no]
210 --enable-libbs2b enable bs2b DSP library [no]
211 --enable-libcaca enable textual display using libcaca [no]
212 --enable-libcelt enable CELT decoding via libcelt [no]
213 --enable-libcdio enable audio CD grabbing with libcdio [no]
214 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
216 --enable-libdcadec enable DCA decoding via libdcadec [no]
217 --enable-libfaac enable AAC encoding via libfaac [no]
218 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
219 --enable-libflite enable flite (voice synthesis) support via libflite [no]
220 --enable-libfreetype enable libfreetype, needed for drawtext filter [no]
221 --enable-libfribidi enable libfribidi, improves drawtext filter [no]
222 --enable-libgme enable Game Music Emu via libgme [no]
223 --enable-libgsm enable GSM de/encoding via libgsm [no]
224 --enable-libiec61883 enable iec61883 via libiec61883 [no]
225 --enable-libilbc enable iLBC de/encoding via libilbc [no]
226 --enable-libkvazaar enable HEVC encoding via libkvazaar [no]
227 --enable-libmfx enable HW acceleration through libmfx
228 --enable-libmodplug enable ModPlug via libmodplug [no]
229 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
230 --enable-libnut enable NUT (de)muxing via libnut,
231 native (de)muxer exists [no]
232 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
233 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
234 --enable-libopencv enable video filtering via libopencv [no]
235 --enable-libopenh264 enable H.264 encoding via OpenH264 [no]
236 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
237 --enable-libopus enable Opus de/encoding via libopus [no]
238 --enable-libpulse enable Pulseaudio input via libpulse [no]
239 --enable-libquvi enable quvi input via libquvi [no]
240 --enable-librtmp enable RTMP[E] support via librtmp [no]
241 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
242 --enable-libshine enable fixed-point MP3 encoding via libshine [no]
243 --enable-libsmbclient enable Samba protocol via libsmbclient [no]
244 --enable-libsnappy enable Snappy compression, needed for hap encoding [no]
245 --enable-libsoxr enable Include libsoxr resampling [no]
246 --enable-libspeex enable Speex de/encoding via libspeex [no]
247 --enable-libssh enable SFTP protocol via libssh [no]
248 --enable-libstagefright-h264 enable H.264 decoding via libstagefright [no]
249 --enable-libtheora enable Theora encoding via libtheora [no]
250 --enable-libtwolame enable MP2 encoding via libtwolame [no]
251 --enable-libutvideo enable Ut Video encoding and decoding via libutvideo [no]
252 --enable-libv4l2 enable libv4l2/v4l-utils [no]
253 --enable-libvidstab enable video stabilization using vid.stab [no]
254 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
255 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
256 --enable-libvorbis enable Vorbis en/decoding via libvorbis,
257 native implementation exists [no]
258 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
259 --enable-libwavpack enable wavpack encoding via libwavpack [no]
260 --enable-libwebp enable WebP encoding via libwebp [no]
261 --enable-libx264 enable H.264 encoding via x264 [no]
262 --enable-libx265 enable HEVC encoding via x265 [no]
263 --enable-libxavs enable AVS encoding via xavs [no]
264 --enable-libxcb enable X11 grabbing using XCB [autodetect]
265 --enable-libxcb-shm enable X11 grabbing shm communication [autodetect]
266 --enable-libxcb-xfixes enable X11 grabbing mouse rendering [autodetect]
267 --enable-libxcb-shape enable X11 grabbing shape rendering [autodetect]
268 --enable-libxvid enable Xvid encoding via xvidcore,
269 native MPEG-4/Xvid encoder exists [no]
270 --enable-libzmq enable message passing via libzmq [no]
271 --enable-libzvbi enable teletext support via libzvbi [no]
272 --disable-lzma disable lzma [autodetect]
273 --enable-decklink enable Blackmagick DeckLink I/O support [no]
274 --enable-mmal enable decoding via MMAL [no]
275 --enable-nvenc enable NVIDIA NVENC support [no]
276 --enable-openal enable OpenAL 1.1 capture support [no]
277 --enable-opencl enable OpenCL code
278 --enable-opengl enable OpenGL rendering [no]
279 --enable-openssl enable openssl, needed for https support
280 if gnutls is not used [no]
281 --disable-sdl disable sdl [autodetect]
282 --disable-securetransport disable Secure Transport, needed for TLS support
283 on OSX if openssl and gnutls are not used [autodetect]
284 --enable-x11grab enable X11 grabbing (legacy) [no]
285 --disable-xlib disable xlib [autodetect]
286 --disable-zlib disable zlib [autodetect]
289 --arch=ARCH select architecture [$arch]
290 --cpu=CPU select the minimum required CPU (affects
291 instruction selection, may crash on older CPUs)
292 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
293 --progs-suffix=SUFFIX program name suffix []
294 --enable-cross-compile assume a cross-compiler is used
295 --sysroot=PATH root of cross-build tree
296 --sysinclude=PATH location of cross-build system headers
297 --target-os=OS compiler targets OS [$target_os]
298 --target-exec=CMD command to run executables on target
299 --target-path=DIR path to view of build directory on target
300 --target-samples=DIR path to samples directory on target
301 --tempprefix=PATH force fixed dir/prefix instead of mktemp for checks
302 --toolchain=NAME set tool defaults according to NAME
303 --nm=NM use nm tool NM [$nm_default]
304 --ar=AR use archive tool AR [$ar_default]
305 --as=AS use assembler AS [$as_default]
306 --windres=WINDRES use windows resource compiler WINDRES [$windres_default]
307 --yasmexe=EXE use yasm-compatible assembler EXE [$yasmexe_default]
308 --cc=CC use C compiler CC [$cc_default]
309 --cxx=CXX use C compiler CXX [$cxx_default]
310 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
311 --ld=LD use linker LD [$ld_default]
312 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
313 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
314 --ranlib=RANLIB use ranlib RANLIB [$ranlib_default]
315 --doxygen=DOXYGEN use DOXYGEN to generate API doc [$doxygen_default]
316 --host-cc=HOSTCC use host C compiler HOSTCC
317 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
318 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
319 --host-ld=HOSTLD use host linker HOSTLD
320 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
321 --host-libs=HLIBS use libs HLIBS when linking for host
322 --host-os=OS compiler host OS [$target_os]
323 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
324 --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
325 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
326 --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
327 --extra-ldlibflags=ELDFLAGS add ELDFLAGS to LDLIBFLAGS [$LDLIBFLAGS]
328 --extra-libs=ELIBS add ELIBS [$ELIBS]
329 --extra-version=STRING version string suffix []
330 --optflags=OPTFLAGS override optimization-related compiler flags
331 --build-suffix=SUFFIX library name suffix []
332 --enable-pic build position-independent code
333 --enable-thumb compile for Thumb instruction set
334 --enable-lto use link-time optimization
335 --env="ENV=override" override the environment variables
337 Advanced options (experts only):
338 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
339 --disable-symver disable symbol versioning
340 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
341 --disable-safe-bitstream-reader
342 disable buffer boundary checking in bitreaders
343 (faster, but may crash)
344 --enable-memalign-hack emulate memalign, interferes with memory debuggers
345 --sws-max-filter-size=N the max filter size swscale uses [$sws_max_filter_size_default]
347 Optimization options (experts only):
348 --disable-asm disable all assembly optimizations
349 --disable-altivec disable AltiVec optimizations
350 --disable-vsx disable VSX optimizations
351 --disable-power8 disable POWER8 optimizations
352 --disable-amd3dnow disable 3DNow! optimizations
353 --disable-amd3dnowext disable 3DNow! extended optimizations
354 --disable-mmx disable MMX optimizations
355 --disable-mmxext disable MMXEXT optimizations
356 --disable-sse disable SSE optimizations
357 --disable-sse2 disable SSE2 optimizations
358 --disable-sse3 disable SSE3 optimizations
359 --disable-ssse3 disable SSSE3 optimizations
360 --disable-sse4 disable SSE4 optimizations
361 --disable-sse42 disable SSE4.2 optimizations
362 --disable-avx disable AVX optimizations
363 --disable-xop disable XOP optimizations
364 --disable-fma3 disable FMA3 optimizations
365 --disable-fma4 disable FMA4 optimizations
366 --disable-avx2 disable AVX2 optimizations
367 --disable-armv5te disable armv5te optimizations
368 --disable-armv6 disable armv6 optimizations
369 --disable-armv6t2 disable armv6t2 optimizations
370 --disable-vfp disable VFP optimizations
371 --disable-neon disable NEON optimizations
372 --disable-inline-asm disable use of inline assembly
373 --disable-yasm disable use of nasm/yasm assembly
374 --disable-mips32r5 disable MIPS32R5 optimizations
375 --disable-mips64r6 disable MIPS64R6 optimizations
376 --disable-mipsdspr1 disable MIPS DSP ASE R1 optimizations
377 --disable-mipsdspr2 disable MIPS DSP ASE R2 optimizations
378 --disable-msa disable MSA optimizations
379 --disable-mipsfpu disable floating point MIPS optimizations
380 --disable-mmi disable Loongson SIMD optimizations
381 --disable-fast-unaligned consider unaligned accesses slow
383 Developer options (useful when working on FFmpeg itself):
384 --disable-debug disable debugging symbols
385 --enable-debug=LEVEL set the debug level [$debuglevel]
386 --disable-optimizations disable compiler optimizations
387 --enable-extra-warnings enable more compiler warnings
388 --disable-stripping disable stripping of executables and shared libraries
389 --assert-level=level 0(default), 1 or 2, amount of assertion testing,
390 2 causes a slowdown at runtime.
391 --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
392 --valgrind=VALGRIND run "make fate" tests through valgrind to detect memory
393 leaks and errors, using the specified valgrind binary.
394 Cannot be combined with --target-exec
395 --enable-ftrapv Trap arithmetic overflows
396 --samples=PATH location of test samples for FATE, if not set use
397 \$FATE_SAMPLES at make invocation time.
398 --enable-neon-clobber-test check NEON registers for clobbering (should be
399 used only for debugging purposes)
400 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
401 should be used only for debugging purposes)
402 --enable-random randomly enable/disable components
404 --enable-random=LIST randomly enable/disable specific components or
405 --disable-random=LIST component groups. LIST is a comma-separated list
406 of NAME[:PROB] entries where NAME is a component
407 (group) and PROB the probability associated with
409 --random-seed=VALUE seed value for --enable/disable-random
410 --disable-valgrind-backtrace do not print a backtrace under Valgrind
411 (only applies to --disable-optimizations builds)
413 NOTE: Object files are built at the place where configure is launched.
419 if test -t 1 && which tput >/dev/null; then
420 ncolors=$(tput colors)
421 if test -n "$ncolors" && test $ncolors -ge 8; then
422 bold_color=$(tput bold)
423 warn_color=$(tput setaf 3)
424 error_color=$(tput setaf 1)
425 reset_color=$(tput sgr0)
430 echo "$@" >> $logfile
435 pr -n -t $1 >> $logfile
441 WARNINGS="${WARNINGS}WARNING: $*\n"
446 echo "$error_color$bold_color$@$reset_color"
449 If you think configure made a mistake, make sure you are using the latest
450 version from Git. If the latest version fails, report the problem to the
451 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
453 if disabled logging; then
455 Rerun configure with logging enabled (do not use --disable-logging), and
456 include the log this produces with your report.
460 Include the log file "$logfile" produced by configure as this will help
467 # Avoid locale weirdness, besides we really just want to translate ASCII.
469 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
473 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
477 echo "$*" | sed 's/["\\]/\\\0/g'
481 v=$(echo "$1" | sed "s/'/'\\\\''/g")
482 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
487 echo "$@" | sed 's/^ *//;s/[[:space:]][[:space:]]*/ /g;s/ *$//'
494 eval "case $v in $pat) echo $v ;; esac"
502 eval "case $v in $pat) ;; *) echo $v ;; esac"
509 for v; do eval $m; done
515 for v; do echo ${v}${suffix}; done
530 eval : \${$var:=$value}
535 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
541 eval $(sanitize_var_name "$var")='$*'
545 eval echo \$$(sanitize_var_name "$1")
550 eval level=\${${pvar}_level:=0}
551 eval ${pvar}_${level}="\$$pvar"
552 eval ${pvar}_level=$(($level+1))
558 eval level=\${${pvar}_level:-0}
559 test $level = 0 && continue
560 eval level=$(($level-1))
561 eval $pvar="\${${pvar}_${level}}"
562 eval ${pvar}_level=$level
563 eval unset ${pvar}_${level}
585 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
591 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
597 enabled $var && continue
598 eval sel="\$${var}_select"
599 eval sgs="\$${var}_suggest"
603 enable_deep_weak $sgs
615 disabled $var && continue
624 test "${1#!}" = "$1" && op== || op=!=
625 eval test "x\$${1#!}" $op "xyes"
629 test "${1#!}" = "$1" && op== || op=!=
630 eval test "x\$${1#!}" $op "xno"
635 enabled $opt || return 1
641 disabled $opt || return 1
647 enabled $opt && return 0
653 disabled $opt && return 0
660 eval : \${$opt:=\$${opt}_default}
668 [ $var = $value ] && return 0
676 enabled ${cfg}_checking && die "Circular dependency for $cfg."
677 disabled ${cfg}_checking && continue
678 enable ${cfg}_checking
681 eval dep_all="\$${cfg}_deps"
682 eval dep_any="\$${cfg}_deps_any"
683 eval dep_sel="\$${cfg}_select"
684 eval dep_sgs="\$${cfg}_suggest"
685 eval dep_ifa="\$${cfg}_if"
686 eval dep_ifn="\$${cfg}_if_any"
688 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
689 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
690 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
692 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
693 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
694 enabled_all $dep_all || disable $cfg
695 enabled_any $dep_any || disable $cfg
696 disabled_any $dep_sel && disable $cfg
698 if enabled $cfg; then
700 enable_deep_weak $dep_sgs
703 disable ${cfg}_checking
712 for cfg in $allopts; do
713 enabled $cfg || continue
714 eval dep_extralibs="\$${cfg}_extralibs"
715 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
723 map 'eval echo "$v \${$v:-no}"' "$@" |
724 awk "BEGIN { split(\"$files\", files) }
726 c = \"$pfx\" toupper(\$1);
732 if (file ~ /\\.h\$/) {
733 printf(\"#define %s %d\\n\", c, v) >>file;
734 } else if (file ~ /\\.asm\$/) {
735 printf(\"%%define %s %d\\n\", c, v) >>file;
736 } else if (file ~ /\\.mak\$/) {
737 n = -v ? \"\" : \"!\";
738 printf(\"%s%s=yes\\n\", n, c) >>file;
739 } else if (file ~ /\\.texi\$/) {
740 pre = -v ? \"\" : \"@c \";
743 gsub(/_/, \"-\", c2);
744 printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
754 enabled $v && printf "%s\n" ${v%$suf};
761 eval "$var=\"\$$var $*\""
767 eval "$var=\"$* \$$var\""
773 for tok in $(eval echo \$$var); do
774 uniq_list="$(filter_out $tok $uniq_list) $tok"
776 eval "$var=\"${uniq_list}\""
784 append CFLAGS $($cflags_filter "$@")
788 append CXXFLAGS $($cflags_filter "$@")
792 append ASFLAGS $($asflags_filter "$@")
796 append LDFLAGS $($ldflags_filter "$@")
800 append LDEXEFLAGS $($ldflags_filter "$@")
804 append LDLIBFLAGS $($ldflags_filter "$@")
808 append ASMSTRIPFLAGS "$@"
812 prepend extralibs $($ldflags_filter "$@")
816 append host_cppflags "$@"
820 append host_cflags $($host_cflags_filter "$@")
824 append host_ldflags $($host_ldflags_filter "$@")
828 append compat_objs $1
830 map 'add_cppflags -D$v' "$@"
835 "$@" >> $logfile 2>&1
840 stat "$1" >> $logfile 2>&1
844 eval printf '%s\\n' $CC_O
848 eval printf '%s\\n' $CC_E
855 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
862 check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
869 check_cmd $cc -Werror=missing-prototypes $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPM
876 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
880 eval printf '%s\\n' $AS_O
887 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
891 log check_inline_asm "$@"
896 check_cc "$@" <<EOF && enable $name
897 void foo(void){ __asm__ volatile($code); }
903 check_inline_asm ${1}_inline "\"$2\""
904 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
912 check_cmd $yasmexe $YASMFLAGS -Werror "$@" -o $TMPO $TMPS
916 eval printf '%s\\n' $LD_O
923 flags=$(filter_out '-l*|*.so' $@)
924 libs=$(filter '-l*|*.so' $@)
925 check_$type $($cflags_filter $flags) || return
926 flags=$($ldflags_filter $flags)
927 libs=$($ldflags_filter $libs)
928 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
933 test "${hdr%.h}" = "${hdr}" &&
934 echo "#include $hdr" ||
935 echo "#include <$hdr>"
945 for hdr in $headers; do
948 echo "int main(void) { $code; return 0; }"
949 } | check_$check "$@"
953 log check_cppflags "$@"
954 check_cc "$@" <<EOF && append CPPFLAGS "$@"
961 set -- $($cflags_filter "$@")
968 log check_cflags "$@"
969 test_cflags "$@" && add_cflags "$@"
973 log check_cxxflags "$@"
974 set -- $($cflags_filter "$@")
975 check_cxx "$@" <<EOF && append CXXFLAGS "$@"
981 log test_ldflags "$@"
982 check_ld "cc" "$@" <<EOF
983 int main(void){ return 0; }
988 log check_ldflags "$@"
989 test_ldflags "$@" && add_ldflags "$@"
993 log test_stripflags "$@"
994 # call check_cc to get a fresh TMPO
996 int main(void) { return 0; }
998 check_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO
1002 log check_stripflags "$@"
1003 test_stripflags "$@" && add_stripflags "$@"
1007 log check_header "$@"
1010 disable_safe $header
1011 check_cpp "$@" <<EOF && enable_safe $header
1018 log check_header_oc "$@"
1022 disable_safe $header
1024 echo "#include <$header>"
1025 echo "int main(void) { return 0; }"
1026 } | check_oc && check_stat "$TMPO" && enable_safe $headers
1034 check_ld "cc" "$@" <<EOF && enable $func
1036 int main(void){ $func(); }
1041 log check_mathfunc "$@"
1045 test $narg = 2 && args="f, g" || args="f"
1047 check_ld "cc" "$@" <<EOF && enable $func
1049 float foo(float f, float g) { return $func($args); }
1050 int main(void){ return (int) foo; }
1054 check_func_headers(){
1055 log check_func_headers "$@"
1060 for hdr in $headers; do
1063 for func in $funcs; do
1064 echo "long check_$func(void) { return (long) $func; }"
1066 echo "int main(void) { return 0; }"
1067 } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
1070 check_class_headers_cpp(){
1071 log check_class_headers_cpp "$@"
1076 for hdr in $headers; do
1077 echo "#include <$hdr>"
1079 echo "int main(void) { "
1081 for class in $classes; do
1082 echo "$class obj$i;"
1086 } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
1089 check_cpp_condition(){
1090 log check_cpp_condition "$@"
1094 check_cpp "$@" <<EOF
1097 #error "unsatisfied condition: $condition"
1107 check_header $header && check_func $func "$@" && add_extralibs "$@"
1115 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
1119 log check_lib_cpp "$@"
1123 check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
1127 log check_pkg_config "$@"
1133 check_cmd $pkg_config --exists --print-errors $pkgandversion || return
1134 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1135 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1136 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1137 set_safe "${pkg}_cflags" $pkg_cflags &&
1138 set_safe "${pkg}_libs" $pkg_libs
1142 check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1148 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1149 # are safe but may not be available everywhere. Thus we use
1150 # raise(SIGTERM) instead. The check is run in a subshell so we
1151 # can redirect the "Terminated" message from the shell. SIGBUS
1152 # is not defined by standard C so it is used conditionally.
1154 (check_exec "$@") >> $logfile 2>&1 <<EOF
1156 static void sighandler(int sig){
1162 int (*func_ptr)(void) = foo;
1164 signal(SIGILL, sighandler);
1165 signal(SIGFPE, sighandler);
1166 signal(SIGSEGV, sighandler);
1168 signal(SIGBUS, sighandler);
1180 disable_safe "$type"
1181 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1185 log check_struct "$@"
1190 disable_safe "${struct}_${member}"
1191 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1192 enable_safe "${struct}_${member}"
1196 log check_builtin "$@"
1202 check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1205 check_compile_assert(){
1206 log check_compile_assert "$@"
1212 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1220 check_lib $header $func "$@" || die "ERROR: $name not found"
1228 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1236 check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1241 check_pkg_config "$@" || return 1
1242 add_cflags $(get_safe "${pkg}_cflags")
1243 add_extralibs $(get_safe "${pkg}_libs")
1246 require_pkg_config(){
1247 use_pkg_config "$@" || die "ERROR: $pkg not found using pkg-config$pkg_config_fail_message"
1250 require_libfreetype(){
1251 log require_libfreetype "$@"
1253 check_cmd $pkg_config --exists --print-errors $pkg \
1254 || die "ERROR: $pkg not found"
1255 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1256 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1258 echo "#include <ft2build.h>"
1259 echo "#include FT_FREETYPE_H"
1260 echo "long check_func(void) { return (long) FT_Init_FreeType; }"
1261 echo "int main(void) { return 0; }"
1262 } | check_ld "cc" $pkg_cflags $pkg_libs \
1263 && set_safe "${pkg}_cflags" $pkg_cflags \
1264 && set_safe "${pkg}_libs" $pkg_libs \
1265 || die "ERROR: $pkg not found"
1266 add_cflags $(get_safe "${pkg}_cflags")
1267 add_extralibs $(get_safe "${pkg}_libs")
1271 eval printf '%s\\n' $HOSTCC_E
1275 eval printf '%s\\n' $HOSTCC_O
1279 log check_host_cc "$@"
1282 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1286 log check_host_cpp "$@"
1289 check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1292 check_host_cppflags(){
1293 log check_host_cppflags "$@"
1294 check_host_cc "$@" <<EOF && append host_cppflags "$@"
1299 check_host_cflags(){
1300 log check_host_cflags "$@"
1301 set -- $($host_cflags_filter "$@")
1302 check_host_cc "$@" <<EOF && append host_cflags "$@"
1307 check_host_cpp_condition(){
1308 log check_host_cpp_condition "$@"
1312 check_host_cpp "$@" <<EOF
1315 #error "unsatisfied condition: $condition"
1321 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1322 mkdir -p "$(dirname $2)"
1326 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1327 # system-dependent things.
1344 avio_reading_example
1345 avio_dir_cmd_example
1346 decoding_encoding_example
1347 demuxing_decoding_example
1349 filter_audio_example
1350 filtering_audio_example
1351 filtering_video_example
1356 resampling_audio_example
1357 scaling_video_example
1358 transcode_aac_example
1362 EXTERNAL_LIBRARY_LIST="
1460 safe_bitstream_reader
1521 $EXTERNAL_LIBRARY_LIST
1529 incompatible_libav_abi
1591 ARCH_EXT_LIST_MIPS="
1601 ARCH_EXT_LIST_LOONGSON="
1607 ARCH_EXT_LIST_X86_SIMD="
1635 $ARCH_EXT_LIST_X86_SIMD
1645 $ARCH_EXT_LIST_LOONGSON
1661 atomic_compare_exchange
1667 sync_val_compare_and_swap
1678 incompatible_libav_abi
1687 cdio_paranoia_paranoia_h
1688 dev_bktr_ioctl_bt848_h
1689 dev_bktr_ioctl_meteor_h
1691 dev_video_bktr_ioctl_bt848_h
1692 dev_video_meteor_ioctl_meteor_h
1702 machine_ioctl_bt848_h
1703 machine_ioctl_meteor_h
1705 openjpeg_1_5_openjpeg_h
1775 GetProcessAffinityMask
1776 GetProcessMemoryInfo
1780 GetSystemTimeAsFileTime
1787 jack_port_get_latency_range
1803 SetConsoleTextAttribute
1804 SetConsoleCtrlHandler
1816 TOOLCHAIN_FEATURES="
1829 inline_asm_nonlocal_labels
1830 inline_asm_direct_symbol_refs
1841 CONDITION_VARIABLE_Ptr
1844 struct_dcadec_exss_info_matrix_encoding
1845 struct_group_source_req
1846 struct_ip_mreq_source
1849 struct_rusage_ru_maxrss
1850 struct_sctp_event_subscribe
1852 struct_sockaddr_sa_len
1853 struct_sockaddr_storage
1854 struct_stat_st_mtim_tv_nsec
1855 struct_v4l2_frmivalenum_discrete
1860 $(add_suffix _external $ARCH_EXT_LIST)
1861 $(add_suffix _inline $ARCH_EXT_LIST)
1894 # options emitted with CONFIG_ prefix but not available on the command line
1910 frame_thread_encoder
2051 # code dependency declarations
2053 # architecture extensions
2058 armv8_deps="aarch64"
2059 neon_deps_any="aarch64 arm"
2060 intrinsics_neon_deps="neon"
2061 vfp_deps_any="aarch64 arm"
2065 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
2068 mipsdspr1_deps="mips"
2069 mipsdspr2_deps="mips"
2070 mips32r2_deps="mips"
2071 mips32r5_deps="mips"
2072 mips64r6_deps="mips"
2084 x86_64_select="i686"
2085 x86_64_suggest="fast_cmov"
2088 amd3dnowext_deps="amd3dnow"
2104 mmx_external_deps="yasm"
2105 mmx_inline_deps="inline_asm"
2106 mmx_suggest="mmx_external mmx_inline"
2108 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
2109 eval dep=\$${ext}_deps
2110 eval ${ext}_external_deps='"${dep}_external"'
2111 eval ${ext}_inline_deps='"${dep}_inline"'
2112 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
2115 aligned_stack_if_any="aarch64 ppc x86"
2116 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
2117 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
2118 fast_unaligned_if_any="aarch64 ppc x86"
2119 simd_align_16_if_any="altivec neon sse"
2121 # system capabilities
2122 symver_if_any="symver_asm_label symver_gnu_asm"
2123 valgrind_backtrace_deps="!optimizations valgrind_valgrind_h"
2126 atomics_gcc_if_any="sync_val_compare_and_swap atomic_compare_exchange"
2127 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
2128 atomics_win32_if="MemoryBarrier"
2129 atomics_native_if_any="$ATOMICS_LIST"
2130 w32threads_deps="atomics_native"
2131 threads_if_any="$THREADS_LIST"
2135 error_resilience_select="me_cmp"
2136 faandct_deps="faan fdctdsp"
2137 faanidct_deps="faan idctdsp"
2138 frame_thread_encoder_deps="encoders threads"
2139 intrax8_select="error_resilience"
2142 me_cmp_select="fdctdsp idctdsp pixblockdsp"
2143 mpeg_er_select="error_resilience"
2144 mpegaudio_select="mpegaudiodsp"
2145 mpegaudiodsp_select="dct"
2146 mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp mpeg_er videodsp"
2147 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
2151 # decoders / encoders
2152 aac_decoder_select="imdct15 mdct sinewin"
2153 aac_fixed_decoder_select="mdct sinewin"
2154 aac_encoder_select="audio_frame_queue iirfilter lpc mdct sinewin"
2155 aac_latm_decoder_select="aac_decoder aac_latm_parser"
2156 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
2157 ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"
2158 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
2159 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
2160 adpcm_g722_decoder_select="g722dsp"
2161 adpcm_g722_encoder_select="g722dsp"
2162 aic_decoder_select="golomb idctdsp"
2163 alac_encoder_select="lpc"
2164 als_decoder_select="bswapdsp"
2165 amrnb_decoder_select="lsp"
2166 amrwb_decoder_select="lsp"
2167 amv_decoder_select="sp5x_decoder exif"
2168 amv_encoder_select="aandcttables jpegtables mpegvideoenc"
2169 ape_decoder_select="bswapdsp llauddsp"
2170 apng_decoder_select="zlib"
2171 apng_encoder_select="huffyuvencdsp zlib"
2172 asv1_decoder_select="blockdsp bswapdsp idctdsp"
2173 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
2174 asv2_decoder_select="blockdsp bswapdsp idctdsp"
2175 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
2176 atrac1_decoder_select="mdct sinewin"
2177 atrac3_decoder_select="mdct"
2178 atrac3p_decoder_select="mdct sinewin"
2179 avrn_decoder_select="exif jpegtables"
2180 bink_decoder_select="blockdsp hpeldsp"
2181 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
2182 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
2183 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
2184 cllc_decoder_select="bswapdsp"
2185 comfortnoise_encoder_select="lpc"
2186 cook_decoder_select="audiodsp mdct sinewin"
2187 cscd_decoder_select="lzo"
2188 cscd_decoder_suggest="zlib"
2189 dca_decoder_select="fmtconvert mdct"
2190 dds_decoder_select="texturedsp"
2191 dirac_decoder_select="dwt golomb videodsp mpegvideoenc"
2192 dnxhd_decoder_select="blockdsp idctdsp"
2193 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
2194 dvvideo_decoder_select="dvprofile idctdsp"
2195 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
2196 dxa_decoder_select="zlib"
2197 dxv_decoder_select="lzf texturedsp"
2198 eac3_decoder_select="ac3_decoder"
2199 eac3_encoder_select="ac3_encoder"
2200 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
2201 eatgq_decoder_select="aandcttables"
2202 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpeg1video_decoder"
2203 exr_decoder_select="zlib"
2204 ffv1_decoder_select="golomb rangecoder"
2205 ffv1_encoder_select="rangecoder"
2206 ffvhuff_decoder_select="huffyuv_decoder"
2207 ffvhuff_encoder_select="huffyuv_encoder"
2208 fic_decoder_select="golomb"
2209 flac_decoder_select="flacdsp golomb"
2210 flac_encoder_select="bswapdsp flacdsp golomb lpc"
2211 flashsv_decoder_select="zlib"
2212 flashsv_encoder_select="zlib"
2213 flashsv2_encoder_select="zlib"
2214 flashsv2_decoder_select="zlib"
2215 flv_decoder_select="h263_decoder"
2216 flv_encoder_select="h263_encoder"
2217 fourxm_decoder_select="blockdsp bswapdsp"
2218 fraps_decoder_select="bswapdsp huffman"
2219 g2m_decoder_select="blockdsp idctdsp jpegtables zlib"
2220 g729_decoder_select="audiodsp"
2221 h261_decoder_select="mpegvideo"
2222 h261_encoder_select="aandcttables mpegvideoenc"
2223 h263_decoder_select="h263_parser h263dsp mpegvideo qpeldsp"
2224 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
2225 h263i_decoder_select="h263_decoder"
2226 h263p_decoder_select="h263_decoder"
2227 h263p_encoder_select="h263_encoder"
2228 h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel startcode videodsp"
2229 h264_decoder_suggest="error_resilience"
2230 h264_qsv_decoder_deps="libmfx"
2231 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
2232 h264_qsv_encoder_deps="libmfx"
2233 h264_qsv_encoder_select="qsvenc"
2234 hap_decoder_select="snappy texturedsp"
2235 hap_encoder_deps="libsnappy"
2236 hap_encoder_select="texturedspenc"
2237 hevc_decoder_select="bswapdsp cabac golomb videodsp"
2238 hevc_qsv_encoder_deps="libmfx"
2239 hevc_qsv_decoder_deps="libmfx"
2240 hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec hevc_qsv_hwaccel"
2241 hevc_qsv_encoder_select="qsvenc"
2242 huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"
2243 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llviddsp"
2244 iac_decoder_select="imc_decoder"
2245 imc_decoder_select="bswapdsp fft mdct sinewin"
2246 indeo3_decoder_select="hpeldsp"
2247 indeo4_decoder_select="ividsp"
2248 indeo5_decoder_select="ividsp"
2249 interplay_video_decoder_select="hpeldsp"
2250 jpegls_decoder_select="golomb mjpeg_decoder"
2251 jpegls_encoder_select="golomb"
2252 jv_decoder_select="blockdsp"
2253 lagarith_decoder_select="huffyuvdsp"
2254 ljpeg_encoder_select="aandcttables idctdsp jpegtables"
2255 loco_decoder_select="golomb"
2256 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2257 metasound_decoder_select="lsp mdct sinewin"
2258 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2259 mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"
2260 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
2261 mjpegb_decoder_select="mjpeg_decoder"
2262 mlp_decoder_select="mlp_parser"
2263 motionpixels_decoder_select="bswapdsp"
2264 mp1_decoder_select="mpegaudio"
2265 mp1float_decoder_select="mpegaudio"
2266 mp2_decoder_select="mpegaudio"
2267 mp2float_decoder_select="mpegaudio"
2268 mp3_decoder_select="mpegaudio"
2269 mp3adu_decoder_select="mpegaudio"
2270 mp3adufloat_decoder_select="mpegaudio"
2271 mp3float_decoder_select="mpegaudio"
2272 mp3on4_decoder_select="mpegaudio"
2273 mp3on4float_decoder_select="mpegaudio"
2274 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2275 mpc8_decoder_select="mpegaudiodsp"
2276 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
2277 mpeg_xvmc_decoder_select="mpeg2video_decoder"
2278 mpegvideo_decoder_select="mpegvideo"
2279 mpeg1video_decoder_select="mpegvideo"
2280 mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"
2281 mpeg2video_decoder_select="mpegvideo"
2282 mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"
2283 mpeg2_qsv_decoder_deps="libmfx"
2284 mpeg2_qsv_decoder_select="qsvdec mpeg2_qsv_hwaccel"
2285 mpeg2_qsv_encoder_deps="libmfx"
2286 mpeg2_qsv_encoder_select="qsvenc"
2287 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2288 mpeg4_encoder_select="h263_encoder"
2289 msa1_decoder_select="mss34dsp"
2290 msmpeg4v1_decoder_select="h263_decoder"
2291 msmpeg4v2_decoder_select="h263_decoder"
2292 msmpeg4v2_encoder_select="h263_encoder"
2293 msmpeg4v3_decoder_select="h263_decoder"
2294 msmpeg4v3_encoder_select="h263_encoder"
2295 mss2_decoder_select="vc1_decoder"
2296 mts2_decoder_select="mss34dsp"
2297 mxpeg_decoder_select="mjpeg_decoder"
2298 nellymoser_decoder_select="mdct sinewin"
2299 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2300 nuv_decoder_select="idctdsp lzo"
2301 on2avc_decoder_select="mdct"
2302 opus_decoder_deps="swresample"
2303 opus_decoder_select="imdct15"
2304 png_decoder_select="zlib"
2305 png_encoder_select="huffyuvencdsp zlib"
2306 prores_decoder_select="blockdsp idctdsp"
2307 prores_encoder_select="fdctdsp"
2308 qcelp_decoder_select="lsp"
2309 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2310 ra_144_encoder_select="audio_frame_queue lpc audiodsp"
2311 ra_144_decoder_select="audiodsp"
2312 ralf_decoder_select="golomb"
2313 rawvideo_decoder_select="bswapdsp"
2314 rtjpeg_decoder_select="me_cmp"
2315 rv10_decoder_select="h263_decoder"
2316 rv10_encoder_select="h263_encoder"
2317 rv20_decoder_select="h263_decoder"
2318 rv20_encoder_select="h263_encoder"
2319 rv30_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2320 rv40_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2321 shorten_decoder_select="golomb"
2322 sipr_decoder_select="lsp"
2323 snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"
2324 snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"
2325 sonic_decoder_select="golomb rangecoder"
2326 sonic_encoder_select="golomb rangecoder"
2327 sonic_ls_encoder_select="golomb rangecoder"
2328 sp5x_decoder_select="mjpeg_decoder"
2329 svq1_decoder_select="hpeldsp"
2330 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2331 svq3_decoder_select="h264_decoder hpeldsp tpeldsp"
2332 svq3_decoder_suggest="zlib"
2333 tak_decoder_select="audiodsp"
2334 tdsc_decoder_select="zlib mjpeg_decoder"
2335 theora_decoder_select="vp3_decoder"
2336 thp_decoder_select="mjpeg_decoder"
2337 tiff_decoder_suggest="zlib lzma"
2338 tiff_encoder_suggest="zlib"
2339 truehd_decoder_select="mlp_parser"
2340 truemotion2_decoder_select="bswapdsp"
2341 truespeech_decoder_select="bswapdsp"
2342 tscc_decoder_select="zlib"
2343 twinvq_decoder_select="mdct lsp sinewin"
2344 txd_decoder_select="texturedsp"
2345 utvideo_decoder_select="bswapdsp"
2346 utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"
2347 vble_decoder_select="huffyuvdsp"
2348 vc1_decoder_select="blockdsp h263_decoder h264qpel intrax8 qpeldsp startcode"
2349 vc1image_decoder_select="vc1_decoder"
2350 vc1_qsv_decoder_deps="libmfx"
2351 vc1_qsv_decoder_select="qsvdec vc1_qsv_hwaccel"
2352 vorbis_decoder_select="mdct"
2353 vorbis_encoder_select="mdct"
2354 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2355 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"
2356 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"
2357 vp6a_decoder_select="vp6_decoder"
2358 vp6f_decoder_select="vp6_decoder"
2359 vp7_decoder_select="h264pred videodsp vp8dsp"
2360 vp8_decoder_select="h264pred videodsp vp8dsp"
2361 vp9_decoder_select="videodsp vp9_parser"
2362 webp_decoder_select="vp8_decoder"
2363 wmalossless_decoder_select="llauddsp"
2364 wmapro_decoder_select="mdct sinewin wma_freqs"
2365 wmav1_decoder_select="mdct sinewin wma_freqs"
2366 wmav1_encoder_select="mdct sinewin wma_freqs"
2367 wmav2_decoder_select="mdct sinewin wma_freqs"
2368 wmav2_encoder_select="mdct sinewin wma_freqs"
2369 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2370 wmv1_decoder_select="h263_decoder"
2371 wmv1_encoder_select="h263_encoder"
2372 wmv2_decoder_select="blockdsp h263_decoder idctdsp intrax8 videodsp wmv2dsp"
2373 wmv2_encoder_select="h263_encoder wmv2dsp"
2374 wmv3_decoder_select="vc1_decoder"
2375 wmv3image_decoder_select="wmv3_decoder"
2376 zerocodec_decoder_select="zlib"
2377 zlib_decoder_select="zlib"
2378 zlib_encoder_select="zlib"
2379 zmbv_decoder_select="zlib"
2380 zmbv_encoder_select="zlib"
2382 # hardware accelerators
2383 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
2384 d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder ID3D11VideoContext"
2385 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode"
2386 vaapi_deps="va_va_h"
2387 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads CoreServices_CoreServices_h"
2388 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore -framework CoreServices"
2389 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
2390 videotoolbox_deps="VideoToolbox_VideoToolbox_h pthreads CoreServices_CoreServices_h"
2391 videotoolbox_extralibs="-framework CoreFoundation -framework VideoToolbox -framework CoreMedia -framework QuartzCore -framework CoreServices"
2392 xvmc_deps="X11_extensions_XvMClib_h"
2394 h263_vaapi_hwaccel_deps="vaapi"
2395 h263_vaapi_hwaccel_select="h263_decoder"
2396 h263_vdpau_hwaccel_deps="vdpau"
2397 h263_vdpau_hwaccel_select="h263_decoder"
2398 h263_videotoolbox_hwaccel_deps="videotoolbox"
2399 h263_videotoolbox_hwaccel_select="h263_decoder"
2400 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
2401 h264_d3d11va_hwaccel_deps="d3d11va"
2402 h264_d3d11va_hwaccel_select="h264_decoder"
2403 h264_dxva2_hwaccel_deps="dxva2"
2404 h264_dxva2_hwaccel_select="h264_decoder"
2405 h264_mmal_decoder_deps="mmal"
2406 h264_mmal_hwaccel_deps="mmal"
2407 h264_mmal_decoder_select="h264_decoder"
2408 h264_mmal_encoder_deps="mmal"
2409 h264_qsv_hwaccel_deps="libmfx"
2410 h264_vaapi_hwaccel_deps="vaapi"
2411 h264_vaapi_hwaccel_select="h264_decoder"
2412 h264_vda_decoder_deps="vda"
2413 h264_vda_decoder_select="h264_decoder"
2414 h264_vda_hwaccel_deps="vda"
2415 h264_vda_hwaccel_select="h264_decoder"
2416 h264_vda_old_hwaccel_deps="vda"
2417 h264_vda_old_hwaccel_select="h264_decoder"
2418 h264_vdpau_decoder_deps="vdpau"
2419 h264_vdpau_decoder_select="h264_decoder"
2420 h264_vdpau_hwaccel_deps="vdpau"
2421 h264_vdpau_hwaccel_select="h264_decoder"
2422 h264_videotoolbox_hwaccel_deps="videotoolbox"
2423 h264_videotoolbox_hwaccel_select="h264_decoder"
2424 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2425 hevc_d3d11va_hwaccel_select="hevc_decoder"
2426 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2427 hevc_dxva2_hwaccel_select="hevc_decoder"
2428 hevc_qsv_hwaccel_deps="libmfx"
2429 hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC"
2430 hevc_vaapi_hwaccel_select="hevc_decoder"
2431 hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"
2432 hevc_vdpau_hwaccel_select="hevc_decoder"
2433 mpeg_vdpau_decoder_deps="vdpau"
2434 mpeg_vdpau_decoder_select="mpeg2video_decoder"
2435 mpeg_xvmc_hwaccel_deps="xvmc"
2436 mpeg_xvmc_hwaccel_select="mpeg2video_decoder"
2437 mpeg1_vdpau_decoder_deps="vdpau"
2438 mpeg1_vdpau_decoder_select="mpeg1video_decoder"
2439 mpeg1_vdpau_hwaccel_deps="vdpau"
2440 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2441 mpeg1_videotoolbox_hwaccel_deps="videotoolbox"
2442 mpeg1_videotoolbox_hwaccel_select="mpeg1video_decoder"
2443 mpeg1_xvmc_hwaccel_deps="xvmc"
2444 mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"
2445 mpeg2_crystalhd_decoder_select="crystalhd"
2446 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2447 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2448 mpeg2_dxva2_hwaccel_deps="dxva2"
2449 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2450 mpeg2_qsv_hwaccel_deps="libmfx"
2451 mpeg2_qsv_hwaccel_select="qsvdec_mpeg2"
2452 mpeg2_vaapi_hwaccel_deps="vaapi"
2453 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2454 mpeg2_vdpau_hwaccel_deps="vdpau"
2455 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2456 mpeg2_videotoolbox_hwaccel_deps="videotoolbox"
2457 mpeg2_videotoolbox_hwaccel_select="mpeg2video_decoder"
2458 mpeg2_xvmc_hwaccel_deps="xvmc"
2459 mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"
2460 mpeg4_crystalhd_decoder_select="crystalhd"
2461 mpeg4_vaapi_hwaccel_deps="vaapi"
2462 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2463 mpeg4_vdpau_decoder_deps="vdpau"
2464 mpeg4_vdpau_decoder_select="mpeg4_decoder"
2465 mpeg4_vdpau_hwaccel_deps="vdpau"
2466 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2467 mpeg4_videotoolbox_hwaccel_deps="videotoolbox"
2468 mpeg4_videotoolbox_hwaccel_select="mpeg4_decoder"
2469 msmpeg4_crystalhd_decoder_select="crystalhd"
2470 vc1_crystalhd_decoder_select="crystalhd"
2471 vc1_d3d11va_hwaccel_deps="d3d11va"
2472 vc1_d3d11va_hwaccel_select="vc1_decoder"
2473 vc1_dxva2_hwaccel_deps="dxva2"
2474 vc1_dxva2_hwaccel_select="vc1_decoder"
2475 vc1_vaapi_hwaccel_deps="vaapi"
2476 vc1_vaapi_hwaccel_select="vc1_decoder"
2477 vc1_vdpau_decoder_deps="vdpau"
2478 vc1_vdpau_decoder_select="vc1_decoder"
2479 vc1_vdpau_hwaccel_deps="vdpau"
2480 vc1_vdpau_hwaccel_select="vc1_decoder"
2481 vc1_qsv_hwaccel_deps="libmfx"
2482 vc1_qsv_hwaccel_select="qsvdec_vc1"
2483 wmv3_crystalhd_decoder_select="crystalhd"
2484 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2485 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2486 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2487 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2488 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2491 h264_parser_select="h264_decoder"
2492 hevc_parser_select="golomb"
2493 mpegvideo_parser_select="mpegvideo"
2494 mpeg4video_parser_select="h263dsp mpegvideo qpeldsp"
2495 vc1_parser_select="mpegvideo startcode vc1_decoder"
2498 mjpeg2jpeg_bsf_select="jpegtables"
2500 # external libraries
2501 libaacplus_encoder_deps="libaacplus"
2502 libcelt_decoder_deps="libcelt"
2503 libdcadec_decoder_deps="libdcadec"
2504 libfaac_encoder_deps="libfaac"
2505 libfaac_encoder_select="audio_frame_queue"
2506 libfdk_aac_decoder_deps="libfdk_aac"
2507 libfdk_aac_encoder_deps="libfdk_aac"
2508 libfdk_aac_encoder_select="audio_frame_queue"
2509 libgme_demuxer_deps="libgme"
2510 libgsm_decoder_deps="libgsm"
2511 libgsm_encoder_deps="libgsm"
2512 libgsm_ms_decoder_deps="libgsm"
2513 libgsm_ms_encoder_deps="libgsm"
2514 libilbc_decoder_deps="libilbc"
2515 libilbc_encoder_deps="libilbc"
2516 libkvazaar_encoder_deps="libkvazaar"
2517 libmodplug_demuxer_deps="libmodplug"
2518 libmp3lame_encoder_deps="libmp3lame"
2519 libmp3lame_encoder_select="audio_frame_queue"
2520 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2521 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2522 libopencore_amrnb_encoder_select="audio_frame_queue"
2523 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2524 libopenh264_encoder_deps="libopenh264"
2525 libopenjpeg_decoder_deps="libopenjpeg"
2526 libopenjpeg_encoder_deps="libopenjpeg"
2527 libopus_decoder_deps="libopus"
2528 libopus_encoder_deps="libopus"
2529 libopus_encoder_select="audio_frame_queue"
2530 libquvi_demuxer_deps="libquvi"
2531 libschroedinger_decoder_deps="libschroedinger"
2532 libschroedinger_encoder_deps="libschroedinger"
2533 libshine_encoder_deps="libshine"
2534 libshine_encoder_select="audio_frame_queue"
2535 libspeex_decoder_deps="libspeex"
2536 libspeex_encoder_deps="libspeex"
2537 libspeex_encoder_select="audio_frame_queue"
2538 libstagefright_h264_decoder_deps="libstagefright_h264"
2539 libtheora_encoder_deps="libtheora"
2540 libtwolame_encoder_deps="libtwolame"
2541 libvo_aacenc_encoder_deps="libvo_aacenc"
2542 libvo_aacenc_encoder_select="audio_frame_queue"
2543 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2544 libvorbis_decoder_deps="libvorbis"
2545 libvorbis_encoder_deps="libvorbis"
2546 libvorbis_encoder_select="audio_frame_queue"
2547 libvpx_vp8_decoder_deps="libvpx"
2548 libvpx_vp8_encoder_deps="libvpx"
2549 libvpx_vp9_decoder_deps="libvpx"
2550 libvpx_vp9_encoder_deps="libvpx"
2551 libwavpack_encoder_deps="libwavpack"
2552 libwebp_encoder_deps="libwebp"
2553 libwebp_anim_encoder_deps="libwebp"
2554 libx262_encoder_deps="libx262"
2555 libx264_encoder_deps="libx264"
2556 libx264rgb_encoder_deps="libx264"
2557 libx264rgb_encoder_select="libx264_encoder"
2558 libx265_encoder_deps="libx265"
2559 libxavs_encoder_deps="libxavs"
2560 libxvid_encoder_deps="libxvid"
2561 libutvideo_decoder_deps="libutvideo"
2562 libutvideo_encoder_deps="libutvideo"
2563 libzvbi_teletext_decoder_deps="libzvbi"
2564 nvenc_encoder_deps="nvenc"
2565 nvenc_h264_encoder_deps="nvenc"
2566 nvenc_hevc_encoder_deps="nvenc"
2569 ac3_demuxer_select="ac3_parser"
2570 asf_demuxer_select="riffdec"
2571 asf_o_demuxer_select="riffdec"
2572 asf_muxer_select="riffenc"
2573 asf_stream_muxer_select="asf_muxer"
2574 avi_demuxer_select="riffdec exif"
2575 avi_muxer_select="riffenc"
2576 avisynth_demuxer_deps="avisynth"
2577 avisynth_demuxer_select="riffdec"
2578 caf_demuxer_select="riffdec"
2579 dash_muxer_select="mp4_muxer"
2580 dirac_demuxer_select="dirac_parser"
2581 dts_demuxer_select="dca_parser"
2582 dtshd_demuxer_select="dca_parser"
2583 dv_demuxer_select="dvprofile"
2584 dv_muxer_select="dvprofile"
2585 dxa_demuxer_select="riffdec"
2586 eac3_demuxer_select="ac3_parser"
2587 f4v_muxer_select="mov_muxer"
2588 flac_demuxer_select="flac_parser"
2589 hds_muxer_select="flv_muxer"
2590 hls_muxer_select="mpegts_muxer"
2591 image2_alias_pix_demuxer_select="image2_demuxer"
2592 image2_brender_pix_demuxer_select="image2_demuxer"
2593 ipod_muxer_select="mov_muxer"
2594 ismv_muxer_select="mov_muxer"
2595 libnut_demuxer_deps="libnut"
2596 libnut_muxer_deps="libnut"
2597 matroska_audio_muxer_select="matroska_muxer"
2598 matroska_demuxer_select="riffdec"
2599 matroska_demuxer_suggest="bzlib lzo zlib"
2600 matroska_muxer_select="riffenc"
2601 mmf_muxer_select="riffenc"
2602 mov_demuxer_select="riffdec"
2603 mov_demuxer_suggest="zlib"
2604 mov_muxer_select="riffenc rtpenc_chain"
2605 mp3_demuxer_select="mpegaudio_parser"
2606 mp4_muxer_select="mov_muxer"
2607 mpegts_muxer_select="adts_muxer latm_muxer"
2608 mpegtsraw_demuxer_select="mpegts_demuxer"
2609 mxf_d10_muxer_select="mxf_muxer"
2610 mxf_opatom_muxer_select="mxf_muxer"
2611 nut_muxer_select="riffenc"
2612 nuv_demuxer_select="riffdec"
2613 oga_muxer_select="ogg_muxer"
2614 ogg_demuxer_select="golomb"
2615 opus_muxer_select="ogg_muxer"
2616 psp_muxer_select="mov_muxer"
2617 rtp_demuxer_select="sdp_demuxer"
2618 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol"
2619 rtsp_demuxer_select="http_protocol rtpdec"
2620 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2621 sap_demuxer_select="sdp_demuxer"
2622 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2623 sdp_demuxer_select="rtpdec"
2624 smoothstreaming_muxer_select="ismv_muxer"
2625 spdif_muxer_select="aac_parser"
2626 spx_muxer_select="ogg_muxer"
2627 tak_demuxer_select="tak_parser"
2628 tg2_muxer_select="mov_muxer"
2629 tgp_muxer_select="mov_muxer"
2630 vobsub_demuxer_select="mpegps_demuxer"
2631 w64_demuxer_select="wav_demuxer"
2632 w64_muxer_select="wav_muxer"
2633 wav_demuxer_select="riffdec"
2634 wav_muxer_select="riffenc"
2635 webm_muxer_select="riffenc"
2636 wtv_demuxer_select="riffdec"
2637 wtv_muxer_select="riffenc"
2638 xmv_demuxer_select="riffdec"
2639 xwma_demuxer_select="riffdec"
2642 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2643 alsa_outdev_deps="alsa_asoundlib_h"
2644 avfoundation_indev_extralibs="-framework CoreVideo -framework Foundation -framework AVFoundation -framework CoreMedia"
2645 avfoundation_indev_select="avfoundation"
2646 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2647 caca_outdev_deps="libcaca"
2648 decklink_outdev_deps="decklink pthreads"
2649 decklink_outdev_extralibs="-lstdc++"
2650 decklink_indev_deps="decklink pthreads"
2651 decklink_indev_extralibs="-lstdc++"
2652 dshow_indev_deps="IBaseFilter"
2653 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"
2654 dv1394_indev_deps="dv1394"
2655 dv1394_indev_select="dv_demuxer"
2656 fbdev_indev_deps="linux_fb_h"
2657 fbdev_outdev_deps="linux_fb_h"
2658 gdigrab_indev_deps="CreateDIBSection"
2659 gdigrab_indev_extralibs="-lgdi32"
2660 gdigrab_indev_select="bmp_decoder"
2661 iec61883_indev_deps="libiec61883"
2662 jack_indev_deps="jack_jack_h sem_timedwait"
2663 lavfi_indev_deps="avfilter"
2664 libcdio_indev_deps="libcdio"
2665 libdc1394_indev_deps="libdc1394"
2666 libv4l2_indev_deps="libv4l2"
2667 openal_indev_deps="openal"
2668 opengl_outdev_deps="opengl"
2669 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2670 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2671 pulse_indev_deps="libpulse"
2672 pulse_outdev_deps="libpulse"
2673 qtkit_indev_extralibs="-framework QTKit -framework Foundation -framework QuartzCore"
2674 qtkit_indev_select="qtkit"
2675 sdl_outdev_deps="sdl"
2676 sndio_indev_deps="sndio_h"
2677 sndio_outdev_deps="sndio_h"
2678 v4l_indev_deps="linux_videodev_h"
2679 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2680 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
2681 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2682 vfwcap_indev_extralibs="-lavicap32"
2683 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
2684 xv_outdev_extralibs="-lXv -lX11 -lXext"
2685 x11grab_indev_deps="x11grab"
2686 x11grab_xcb_indev_deps="libxcb"
2689 async_protocol_deps="pthreads"
2690 bluray_protocol_deps="libbluray"
2691 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2692 ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"
2693 ffrtmpcrypt_protocol_select="tcp_protocol"
2694 ffrtmphttp_protocol_deps="!librtmp_protocol"
2695 ffrtmphttp_protocol_select="http_protocol"
2696 ftp_protocol_select="tcp_protocol"
2697 gopher_protocol_select="network"
2698 http_protocol_select="tcp_protocol"
2699 httpproxy_protocol_select="tcp_protocol"
2700 https_protocol_select="tls_protocol"
2701 icecast_protocol_select="http_protocol"
2702 librtmp_protocol_deps="librtmp"
2703 librtmpe_protocol_deps="librtmp"
2704 librtmps_protocol_deps="librtmp"
2705 librtmpt_protocol_deps="librtmp"
2706 librtmpte_protocol_deps="librtmp"
2707 libsmbclient_protocol_deps="libsmbclient gplv3"
2708 libssh_protocol_deps="libssh"
2709 mmsh_protocol_select="http_protocol"
2710 mmst_protocol_select="network"
2711 rtmp_protocol_deps="!librtmp_protocol"
2712 rtmp_protocol_select="tcp_protocol"
2713 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2714 rtmps_protocol_deps="!librtmp_protocol"
2715 rtmps_protocol_select="tls_protocol"
2716 rtmpt_protocol_select="ffrtmphttp_protocol"
2717 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2718 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2719 rtp_protocol_select="udp_protocol"
2720 sctp_protocol_deps="struct_sctp_event_subscribe"
2721 sctp_protocol_select="network"
2722 srtp_protocol_select="rtp_protocol"
2723 tcp_protocol_select="network"
2724 tls_gnutls_protocol_deps="gnutls !tls_securetransport_protocol"
2725 tls_gnutls_protocol_select="tcp_protocol"
2726 tls_openssl_protocol_deps="openssl !tls_securetransport_protocol !tls_gnutls_protocol"
2727 tls_openssl_protocol_select="tcp_protocol"
2728 tls_securetransport_protocol_deps="securetransport"
2729 tls_securetransport_protocol_select="tcp_protocol"
2730 tls_protocol_deps_any="tls_securetransport_protocol tls_gnutls_protocol tls_openssl_protocol"
2731 udp_protocol_select="network"
2732 udplite_protocol_select="network"
2733 unix_protocol_deps="sys_un_h"
2734 unix_protocol_select="network"
2737 amovie_filter_deps="avcodec avformat"
2738 aresample_filter_deps="swresample"
2739 ass_filter_deps="libass"
2740 asyncts_filter_deps="avresample"
2741 atempo_filter_deps="avcodec"
2742 atempo_filter_select="rdft"
2743 azmq_filter_deps="libzmq"
2744 blackframe_filter_deps="gpl"
2745 boxblur_filter_deps="gpl"
2746 bs2b_filter_deps="libbs2b"
2747 colormatrix_filter_deps="gpl"
2748 cover_rect_filter_deps="avcodec avformat gpl"
2749 cropdetect_filter_deps="gpl"
2750 delogo_filter_deps="gpl"
2751 deshake_filter_select="pixelutils"
2752 drawtext_filter_deps="libfreetype"
2753 dynaudnorm_filter_deps="copysign erf"
2754 ebur128_filter_deps="gpl"
2755 eq_filter_deps="gpl"
2756 fftfilt_filter_deps="avcodec"
2757 fftfilt_filter_select="rdft"
2758 flite_filter_deps="libflite"
2759 find_rect_filter_deps="avcodec avformat gpl"
2760 frei0r_filter_deps="frei0r dlopen"
2761 frei0r_src_filter_deps="frei0r dlopen"
2762 fspp_filter_deps="gpl"
2763 geq_filter_deps="gpl"
2764 histeq_filter_deps="gpl"
2765 hqdn3d_filter_deps="gpl"
2766 interlace_filter_deps="gpl"
2767 kerndeint_filter_deps="gpl"
2768 ladspa_filter_deps="ladspa dlopen"
2769 mcdeint_filter_deps="avcodec gpl"
2770 movie_filter_deps="avcodec avformat"
2771 mpdecimate_filter_deps="gpl"
2772 mpdecimate_filter_select="pixelutils"
2773 mptestsrc_filter_deps="gpl"
2774 negate_filter_deps="lut_filter"
2775 perspective_filter_deps="gpl"
2776 pp7_filter_deps="gpl"
2777 ocv_filter_deps="libopencv"
2778 owdenoise_filter_deps="gpl"
2779 pan_filter_deps="swresample"
2780 phase_filter_deps="gpl"
2781 pp_filter_deps="gpl postproc"
2782 pullup_filter_deps="gpl"
2783 removelogo_filter_deps="avcodec avformat swscale"
2784 repeatfields_filter_deps="gpl"
2785 resample_filter_deps="avresample"
2786 sab_filter_deps="gpl swscale"
2787 scale_filter_deps="swscale"
2788 scale2ref_filter_deps="swscale"
2789 select_filter_select="pixelutils"
2790 smartblur_filter_deps="gpl swscale"
2791 showcqt_filter_deps="avcodec"
2792 showcqt_filter_select="fft"
2793 showfreqs_filter_deps="avcodec"
2794 showfreqs_filter_select="fft"
2795 showspectrum_filter_deps="avcodec"
2796 showspectrum_filter_select="rdft"
2797 spp_filter_deps="gpl avcodec"
2798 spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"
2799 stereo3d_filter_deps="gpl"
2800 subtitles_filter_deps="avformat avcodec libass"
2801 super2xsai_filter_deps="gpl"
2802 tinterlace_filter_deps="gpl"
2803 vidstabdetect_filter_deps="libvidstab"
2804 vidstabtransform_filter_deps="libvidstab"
2805 pixfmts_super2xsai_test_deps="super2xsai_filter"
2806 tinterlace_merge_test_deps="tinterlace_filter"
2807 tinterlace_pad_test_deps="tinterlace_filter"
2808 uspp_filter_deps="gpl avcodec"
2809 zmq_filter_deps="libzmq"
2810 zoompan_filter_deps="swscale"
2813 avio_reading="avformat avcodec avutil"
2814 avio_dir_cmd="avformat avutil"
2815 avcodec_example_deps="avcodec avutil"
2816 decoding_encoding_example_deps="avcodec avformat avutil"
2817 demuxing_decoding_example_deps="avcodec avformat avutil"
2818 extract_mvs_example_deps="avcodec avformat avutil"
2819 filter_audio_example_deps="avfilter avutil"
2820 filtering_audio_example_deps="avfilter avcodec avformat avutil"
2821 filtering_video_example_deps="avfilter avcodec avformat avutil"
2822 metadata_example_deps="avformat avutil"
2823 muxing_example_deps="avcodec avformat avutil swscale"
2824 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder vaapi_x11"
2825 remuxing_example_deps="avcodec avformat avutil"
2826 resampling_audio_example_deps="avutil swresample"
2827 scaling_video_example_deps="avutil swscale"
2828 transcode_aac_example_deps="avcodec avformat swresample"
2829 transcoding_example_deps="avfilter avcodec avformat avutil"
2831 # libraries, in linking order
2832 avcodec_deps="avutil"
2833 avdevice_deps="avformat avcodec avutil"
2834 avfilter_deps="avutil"
2835 avformat_deps="avcodec avutil"
2836 avresample_deps="avutil"
2837 postproc_deps="avutil gpl"
2838 swresample_deps="avutil"
2839 swscale_deps="avutil"
2842 ffmpeg_deps="avcodec avfilter avformat swresample"
2843 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
2845 setpts_filter trim_filter"
2846 ffplay_deps="avcodec avformat swscale swresample sdl"
2847 ffplay_libs='$sdl_libs'
2848 ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"
2849 ffprobe_deps="avcodec avformat"
2850 ffserver_deps="avformat fork sarestart"
2851 ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
2854 podpages_deps="perl"
2855 manpages_deps="perl pod2man"
2856 htmlpages_deps="perl"
2857 htmlpages_deps_any="makeinfo_html texi2html"
2858 txtpages_deps="perl makeinfo"
2859 doc_deps_any="manpages htmlpages podpages txtpages"
2861 # default parameters
2863 logfile="config.log"
2865 # installation paths
2866 prefix_default="/usr/local"
2867 bindir_default='${prefix}/bin'
2868 datadir_default='${prefix}/share/ffmpeg'
2869 docdir_default='${prefix}/share/doc/ffmpeg'
2870 incdir_default='${prefix}/include'
2871 libdir_default='${prefix}/lib'
2872 mandir_default='${prefix}/share/man'
2878 host_cc_default="gcc"
2880 doxygen_default="doxygen"
2885 pkg_config_default=pkg-config
2886 ranlib_default="ranlib"
2887 strip_default="strip"
2888 yasmexe_default="yasm"
2889 windres_default="windres"
2892 target_os_default=$(tolower $(uname -s))
2893 host_os=$target_os_default
2896 if test "$target_os_default" = aix; then
2897 arch_default=$(uname -p)
2898 strip_default="strip -X32_64"
2900 arch_default=$(uname -m)
2905 # configurable options
2906 enable $PROGRAM_LIST
2907 enable $DOCUMENT_LIST
2908 enable $EXAMPLE_LIST
2909 enable $(filter_out avresample $LIBRARY_LIST)
2915 enable faan faandct faanidct
2916 enable optimizations
2917 enable runtime_cpudetect
2918 enable safe_bitstream_reader
2920 enable swscale_alpha
2921 enable valgrind_backtrace
2923 sws_max_filter_size_default=256
2924 set_default sws_max_filter_size
2926 # Enable hwaccels by default.
2927 enable d3d11va dxva2 vaapi vda vdpau videotoolbox xvmc
2931 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2934 FULLNAME='$(NAME)$(BUILDSUF)'
2935 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2938 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2939 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2940 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2941 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2942 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2943 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2965 host_cflags_filter=echo
2966 host_ldflags_filter=echo
2968 target_path='$(CURDIR)'
2970 # since the object filename is not given with the -MM flag, the compiler
2971 # is only able to print the basename, and we must add the path ourselves
2972 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2976 if test -f configure; then
2979 source_path=$(cd $(dirname "$0"); pwd)
2980 case "$source_path" in
2981 *[[:blank:]]*) die "Out of tree builds are impossible with whitespace in source path." ;;
2983 test -e "$source_path/config.h" &&
2984 die "Out of tree builds are impossible with config.h in source dir."
2991 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
2997 file=$source_path/$3
2998 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
3001 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
3002 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
3003 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
3004 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
3005 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
3006 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
3007 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
3008 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
3009 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
3010 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
3011 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
3027 for n in $COMPONENT_LIST; do
3028 v=$(toupper ${n%s})_LIST
3030 eval ${n}_if_any="\$$v"
3033 enable $ARCH_EXT_LIST
3036 echo "Unknown option \"$1\"."
3037 echo "See $0 --help for available options."
3042 cat | tr ' ' '\n' | sort | pr -r -3 -t
3048 echo $* | sed s/$suffix//g | print_3_columns
3060 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
3061 echo "prob ${prob:-0.5}"
3069 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
3070 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
3079 --extra-ldexeflags=*)
3080 add_ldexeflags $optval
3082 --extra-ldlibflags=*)
3083 add_ldlibflags $optval
3086 add_extralibs $optval
3089 disable $INDEV_LIST $OUTDEV_LIST
3092 debuglevel="$optval"
3095 disable $PROGRAM_LIST
3097 --disable-everything)
3098 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3101 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3102 disable $LIBRARY_LIST $PROGRAM_LIST doc
3104 --enable-random|--disable-random)
3105 action=${opt%%-random}
3106 do_random ${action#--} $COMPONENT_LIST
3108 --enable-random=*|--disable-random=*)
3109 action=${opt%%-random=*}
3110 do_random ${action#--} $optval
3112 --enable-*=*|--disable-*=*)
3113 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
3114 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
3115 eval list=\$$(toupper $thing)_LIST
3116 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
3117 list=$(filter "$name" $list)
3118 [ "$list" = "" ] && warn "Option $opt did not match anything"
3121 --enable-?*|--disable-?*)
3122 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
3123 if is_in $option $COMPONENT_LIST; then
3124 test $action = disable && action=unset
3125 eval $action \$$(toupper ${option%s})_LIST
3126 elif is_in $option $CMDLINE_SELECT; then
3133 NAME="${opt#--list-}"
3134 is_in $NAME $COMPONENT_LIST || die_unknown $opt
3136 eval show_list $NAME \$$(toupper $NAME)_LIST
3138 --help|-h) show_help
3140 --fatal-warnings) enable fatal_warnings
3143 optname="${opt%%=*}"
3144 optname="${optname#--}"
3145 optname=$(echo "$optname" | sed 's/-/_/g')
3146 if is_in $optname $CMDLINE_SET; then
3147 eval $optname='$optval'
3148 elif is_in $optname $CMDLINE_APPEND; then
3149 append $optname "$optval"
3161 disabled logging && logfile=/dev/null
3163 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
3166 test -n "$valgrind" && toolchain="valgrind-memcheck"
3168 case "$toolchain" in
3171 add_cflags -fsanitize=address
3172 add_ldflags -fsanitize=address
3176 add_cflags -fsanitize=thread -pie
3177 add_ldflags -fsanitize=thread -pie
3181 add_cflags -fsanitize=undefined
3182 add_ldflags -fsanitize=undefined
3186 add_cflags -fsanitize=address
3187 add_ldflags -fsanitize=address
3191 add_cflags -fsanitize=thread -pie -fPIC
3192 add_ldflags -fsanitize=thread -pie -fPIC
3196 add_cflags -fsanitize=undefined
3197 add_ldflags -fsanitize=undefined
3200 target_exec_default=${valgrind:-"valgrind"}
3201 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"
3204 target_exec_default=${valgrind:-"valgrind"}
3205 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
3208 # Check whether the current MSVC version needs the C99 converter.
3209 # From MSVC 2013 (compiler major version 18) onwards, it does actually
3210 # support enough of C99 to build ffmpeg. Default to the new
3211 # behaviour if the regexp was unable to match anything, since this
3212 # successfully parses the version number of existing supported
3213 # versions that require the converter (MSVC 2010 and 2012).
3214 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
3215 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
3218 cc_default="c99wrap cl"
3220 ld_default="$source_path/compat/windows/mslink"
3221 nm_default="dumpbin -symbols"
3228 target_os_default="win32"
3229 # Use a relative path for TMPDIR. This makes sure all the
3230 # ffconf temp files are written with a relative path, avoiding
3231 # issues with msys/win32 path conversion for MSVC parameters
3232 # such as -Fo<file> or -out:<file>.
3238 nm_default="dumpbin -symbols"
3240 target_os_default="win32"
3244 add_cflags -fprofile-arcs -ftest-coverage
3245 add_ldflags -fprofile-arcs -ftest-coverage
3248 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
3249 add_cflags -fno-strict-overflow -fstack-protector-all
3250 add_ldflags -Wl,-z,relro -Wl,-z,now
3253 die "Unknown toolchain $toolchain"
3257 test -n "$cross_prefix" && enable cross_compile
3259 if enabled cross_compile; then
3260 test -n "$arch" && test -n "$target_os" ||
3261 die "Must specify target arch and OS when cross-compiling"
3264 ar_default="${cross_prefix}${ar_default}"
3265 cc_default="${cross_prefix}${cc_default}"
3266 cxx_default="${cross_prefix}${cxx_default}"
3267 nm_default="${cross_prefix}${nm_default}"
3268 pkg_config_default="${cross_prefix}${pkg_config_default}"
3269 if ${cross_prefix}${ranlib_default} 2>&1 | grep -q "\-D "; then
3270 ranlib_default="${cross_prefix}${ranlib_default} -D"
3272 ranlib_default="${cross_prefix}${ranlib_default}"
3274 strip_default="${cross_prefix}${strip_default}"
3275 windres_default="${cross_prefix}${windres_default}"
3277 sysinclude_default="${sysroot}/usr/include"
3279 set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \
3280 target_exec target_os yasmexe
3281 enabled cross_compile || host_cc_default=$cc
3284 pkg_config_fail_message=""
3285 if ! $pkg_config --version >/dev/null 2>&1; then
3286 warn "$pkg_config not found, library detection may fail."
3288 elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then
3289 pkg_config_fail_message="
3290 Note: When building a static binary, add --pkg-config-flags=\"--static\"."
3293 if test $doxygen != $doxygen_default && \
3294 ! $doxygen --version >/dev/null 2>&1; then
3295 warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."
3300 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
3304 EXESUF=$(exesuf $target_os)
3305 HOSTEXESUF=$(exesuf $host_os)
3307 # set temporary file name
3308 : ${TMPDIR:=$TEMPDIR}
3312 if [ -n "$tempprefix" ] ; then
3314 echo $tempprefix.${HOSTNAME}.${UID}
3316 elif ! check_cmd mktemp -u XXXXXX; then
3317 # simple replacement for missing mktemp
3318 # NOT SAFE FOR GENERAL USE
3320 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
3325 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
3326 (set -C; exec > $tmp) 2>/dev/null ||
3327 die "Unable to create temporary file in $TMPDIR."
3328 append TMPFILES $tmp
3332 trap 'rm -f -- $TMPFILES' EXIT
3337 tmpfile TMPE $EXESUF
3349 # make sure we can execute files in $TMPDIR
3350 cat > $TMPSH 2>> $logfile <<EOF
3353 chmod +x $TMPSH >> $logfile 2>&1
3354 if ! $TMPSH >> $logfile 2>&1; then
3356 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
3357 variable to another directory and make sure that it is not mounted noexec.
3359 die "Sanity test failed."
3365 # Filter out MSVC cl.exe options from cflags that shouldn't
3366 # be passed to gas-preprocessor
3376 -std=c99) echo -c99 ;;
3377 -mcpu=*) echo -arch ${flag#*=} ;;
3378 -mieee) echo -ieee ;;
3379 -O*|-fast) echo $flag ;;
3380 -fno-math-errno) echo -assume nomath_errno ;;
3382 -Wall) echo -msg_enable level2 ;;
3383 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
3384 -Wl,*) echo $flag ;;
3394 -Wno-switch) echo -Wno-switch-enum ;;
3395 -Wno-format-zero-length) ;;
3396 -Wdisabled-optimization) ;;
3397 -Wno-pointer-sign) echo -Wno-other ;;
3403 msvc_common_flags(){
3406 # In addition to specifying certain flags under the compiler
3407 # specific filters, they must be specified here as well or else the
3408 # generic catch all at the bottom will print the original flag.
3412 -fomit-frame-pointer) ;;
3416 -fno-signed-zeros) ;;
3420 -lz) echo zlib.lib ;;
3421 -lavifil32) echo vfw32.lib ;;
3422 -lavicap32) echo vfw32.lib user32.lib ;;
3423 -l*) echo ${flag#-l}.lib ;;
3424 -LARGEADDRESSAWARE) echo $flag ;;
3425 -L*) echo -libpath:${flag#-L} ;;
3432 msvc_common_flags "$@"
3435 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
3436 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
3437 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
3439 -wd4273 -wd4554 -wd4701 ;;
3445 msvc_common_flags "$@"
3448 # Despite what Intel's documentation says -Wall, which is supported
3449 # on Windows, does enable remarks so disable them here.
3450 -Wall) echo $flag -Qdiag-disable:remark ;;
3451 -std=c99) echo -Qstd=c99 ;;
3469 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
3470 -fomit-frame-pointer) echo -Mnoframe ;;
3481 case "${flag#*=}" in
3482 native) echo -xtarget=native ;;
3483 v9|niagara) echo -xarch=sparc ;;
3484 ultrasparc) echo -xarch=sparcvis ;;
3485 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
3486 i586|pentium) echo -xchip=pentium ;;
3487 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
3488 pentium3*|c3-2) echo -xtarget=pentium3 ;;
3489 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
3490 pentium4*) echo -xtarget=pentium4 ;;
3491 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
3492 *-sse3) echo -xarch=sse3 ;;
3493 core2) echo -xarch=ssse3 -xchip=core2 ;;
3494 bonnell) echo -xarch=ssse3 ;;
3495 corei7|nehalem) echo -xtarget=nehalem ;;
3496 westmere) echo -xtarget=westmere ;;
3497 silvermont) echo -xarch=sse4_2 ;;
3498 corei7-avx|sandybridge) echo -xtarget=sandybridge ;;
3499 core-avx*|ivybridge|haswell|broadwell)
3501 amdfam10|barcelona) echo -xtarget=barcelona ;;
3502 btver1) echo -xarch=amdsse4a ;;
3503 btver2|bdver*) echo -xarch=avx ;;
3504 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
3505 k8|opteron|athlon64|athlon-fx)
3506 echo -xarch=sse2a ;;
3507 athlon*) echo -xarch=pentium_proa ;;
3510 -std=c99) echo -xc99 ;;
3511 -fomit-frame-pointer) echo -xregs=frameptr ;;
3512 -fPIC) echo -KPIC -xcode=pic32 ;;
3513 -W*,*) echo $flag ;;
3514 -f*-*|-W*|-mimpure-text) ;;
3525 case "${flag#*=}" in
3526 armv7-a|cortex-a*) echo -mv=7a8 ;;
3527 armv7-r|cortex-r*) echo -mv=7r4 ;;
3528 armv7-m|cortex-m*) echo -mv=7m3 ;;
3529 armv6*|arm11*) echo -mv=6 ;;
3530 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
3532 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
3535 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
3536 -mfpu=vfp) echo --float_support=vfpv2 ;;
3537 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
3538 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
3539 -msoft-float) echo --float_support=vfplib ;;
3540 -O[0-3]|-mf=*) echo $flag ;;
3542 -pds=*) echo $flag ;;
3543 -D*|-I*) echo $flag ;;
3544 --gcc|--abi=*) echo $flag ;;
3555 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
3556 unset _ld_o _ldflags _ld_lib _ld_path
3557 unset _depflags _DEPCMD _DEPFLAGS
3560 if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
3561 true # no-op to avoid reading stdin in following checks
3562 elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
3564 gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')
3565 _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"
3566 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3569 elif $_cc -v 2>&1 | grep -qi ^gcc; then
3571 gcc_version=$($_cc --version | head -n1)
3572 gcc_basever=$($_cc -dumpversion)
3573 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
3574 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
3575 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
3576 case $gcc_basever in
3577 2*) _depflags='-MMD -MF $(@:.o=.d) -MT $@' ;;
3579 if [ "$first" = true ]; then
3580 case $gcc_basever in
3582 warn "gcc 4.2 is outdated and may miscompile FFmpeg. Please use a newer compiler." ;;
3587 elif $_cc --version 2>/dev/null | grep -q ^icc; then
3589 _ident=$($_cc --version | head -n1)
3594 _flags_filter=icc_flags
3595 elif $_cc -v 2>&1 | grep -q xlc; then
3597 _ident=$($_cc -qversion 2>/dev/null | head -n1)
3599 _cflags_size='-O5 -qcompact'
3600 elif $_cc -V 2>/dev/null | grep -q Compaq; then
3602 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
3604 _cflags_speed='-fast'
3606 _flags_filter=ccc_flags
3607 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
3608 test -d "$sysroot" || die "No valid sysroot specified."
3610 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
3611 armcc_conf="$PWD/armcc.conf"
3612 $_cc --arm_linux_configure \
3613 --arm_linux_config_file="$armcc_conf" \
3614 --configure_sysroot="$sysroot" \
3615 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
3616 die "Error creating armcc configuration file."
3617 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
3618 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
3619 as_default="${cross_prefix}gcc"
3623 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
3625 _ident=$($_cc -version | head -n1 | tr -s ' ')
3626 _flags='--gcc --abi=eabi -me'
3629 _depflags='-ppa -ppd=$(@:.o=.d)'
3630 _cflags_speed='-O3 -mf=5'
3631 _cflags_size='-O3 -mf=2'
3632 _flags_filter=tms470_flags
3633 elif $_cc -v 2>&1 | grep -q clang; then
3635 _ident=$($_cc --version 2>/dev/null | head -n1)
3636 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3639 elif $_cc -V 2>&1 | grep -q Sun; then
3641 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
3642 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3643 _DEPFLAGS='-xM1 -xc99'
3646 _cflags_size='-O5 -xspace'
3647 _flags_filter=suncc_flags
3648 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
3650 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3651 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3654 _flags_filter='filter_out -Wdisabled-optimization'
3655 elif $_cc -v 2>&1 | grep -q Open64; then
3657 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3658 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3661 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3662 elif $_cc -V 2>&1 | grep -q Portland; then
3664 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3665 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3666 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3667 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3669 _flags_filter=pgi_flags
3670 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
3672 _ident=$($_cc | head -n1)
3673 # 4509: "This form of conditional instruction is deprecated"
3674 _flags="-nologo -ignore 4509"
3675 _flags_filter=armasm_flags
3676 elif $_cc 2>&1 | grep -q Intel; then
3678 _ident=$($_cc 2>&1 | head -n1)
3679 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3680 # Not only is O3 broken on 13.x+ but it is slower on all previous
3681 # versions (tested) as well.
3683 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3684 if $_cc 2>&1 | grep -q Linker; then
3691 _flags_filter=icl_flags
3693 _ld_path='-libpath:'
3694 # -Qdiag-error to make icl error when seeing certain unknown arguments
3695 _flags='-nologo -Qdiag-error:4044,10157'
3696 # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency
3697 # with MSVC which enables it by default.
3698 _cflags='-D_USE_MATH_DEFINES -Qms0 -Qvec- -Qsimd- -GS -fp:precise'
3700 elif $_cc -nologo- 2>&1 | grep -q Microsoft; then
3702 _ident=$($_cc 2>&1 | head -n1)
3703 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3704 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3707 if $_cc -nologo- 2>&1 | grep -q Linker; then
3714 _flags_filter=msvc_flags
3716 _ld_path='-libpath:'
3718 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS'
3720 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3722 _ident=$($_cc --version | head -n1)
3726 _flags_filter=cparser_flags
3729 eval ${pfx}_type=\$_type
3730 eval ${pfx}_ident=\$_ident
3734 eval ${1}_C=\${_cc_c-\${${1}_C}}
3735 eval ${1}_E=\${_cc_e-\${${1}_E}}
3736 eval ${1}_O=\${_cc_o-\${${1}_O}}
3738 if [ -n "$_depflags" ]; then
3739 eval ${1}_DEPFLAGS=\$_depflags
3741 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3742 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3743 eval DEP${1}FLAGS=\$_flags
3747 probe_cc cc "$cc" "true"
3748 cflags_filter=$_flags_filter
3749 cflags_speed=$_cflags_speed
3750 cflags_size=$_cflags_size
3751 cflags_noopt=$_cflags_noopt
3752 add_cflags $_flags $_cflags
3753 cc_ldflags=$_ldflags
3756 probe_cc hostcc "$host_cc"
3757 host_cflags_filter=$_flags_filter
3758 add_host_cflags $_flags $_cflags
3761 test -n "$cc_type" && enable $cc_type ||
3762 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3764 : ${as_default:=$cc}
3765 : ${dep_cc_default:=$cc}
3766 : ${ld_default:=$cc}
3767 : ${host_ld_default:=$host_cc}
3768 set_default ar as dep_cc ld host_ld windres
3771 asflags_filter=$_flags_filter
3772 add_asflags $_flags $_cflags
3776 ldflags_filter=$_flags_filter
3777 add_ldflags $_flags $_ldflags
3778 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3780 LD_LIB=${_ld_lib-$LD_LIB}
3781 LD_PATH=${_ld_path-$LD_PATH}
3783 probe_cc hostld "$host_ld"
3784 host_ldflags_filter=$_flags_filter
3785 add_host_ldflags $_flags $_ldflags
3786 HOSTLD_O=${_ld_o-$HOSTLD_O}
3788 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3789 probe_cc depcc "$dep_cc"
3790 CCDEP=${_DEPCMD:-$DEPCMD}
3791 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3795 if $ar 2>&1 | grep -q Microsoft; then
3798 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3801 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3802 arflags='-Xany -r -c'
3804 elif $ar 2>&1 | grep -q "\[D\] "; then
3812 add_cflags $extra_cflags
3813 add_cxxflags $extra_cxxflags
3814 add_asflags $extra_cflags
3816 if test -n "$sysroot"; then
3819 add_cppflags --sysroot="$sysroot"
3820 add_ldflags --sysroot="$sysroot"
3821 # On Darwin --sysroot may be ignored, -isysroot always affects headers and linking
3822 add_cppflags -isysroot "$sysroot"
3823 add_ldflags -isysroot "$sysroot"
3826 add_cppflags -I"$sysinclude"
3827 add_ldflags --sysroot="$sysroot"
3832 if test "$cpu" = host; then
3833 enabled cross_compile &&
3834 die "--cpu=host makes no sense when cross-compiling."
3839 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3841 s/.*$1=\\([^ ]*\\).*/\\1/
3846 cpu=$(check_native -march || check_native -mcpu)
3850 test "${cpu:-host}" = host &&
3851 die "--cpu=host not supported with compiler $cc"
3854 # Deal with common $arch aliases
3868 "Power Macintosh"|ppc*|powerpc*)
3883 i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
3888 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3891 # Add processor-specific flags
3892 if enabled aarch64; then
3896 cpuflags="-march=$cpu"
3899 cpuflags="-mcpu=$cpu"
3903 elif enabled alpha; then
3905 cpuflags="-mcpu=$cpu"
3907 elif enabled arm; then
3910 check_cpp_condition stddef.h \
3911 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3916 if check_arm_arch 4; then echo armv4;
3917 elif check_arm_arch 4T; then echo armv4t;
3918 elif check_arm_arch 5; then echo armv5;
3919 elif check_arm_arch 5E; then echo armv5e;
3920 elif check_arm_arch 5T; then echo armv5t;
3921 elif check_arm_arch 5TE; then echo armv5te;
3922 elif check_arm_arch 5TEJ; then echo armv5te;
3923 elif check_arm_arch 6; then echo armv6;
3924 elif check_arm_arch 6J; then echo armv6j;
3925 elif check_arm_arch 6K; then echo armv6k;
3926 elif check_arm_arch 6Z; then echo armv6z;
3927 elif check_arm_arch 6ZK; then echo armv6zk;
3928 elif check_arm_arch 6T2; then echo armv6t2;
3929 elif check_arm_arch 7; then echo armv7;
3930 elif check_arm_arch 7A 7_A; then echo armv7-a;
3931 elif check_arm_arch 7S; then echo armv7-a;
3932 elif check_arm_arch 7R 7_R; then echo armv7-r;
3933 elif check_arm_arch 7M 7_M; then echo armv7-m;
3934 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
3935 elif check_arm_arch 8A 8_A; then echo armv8-a;
3939 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3943 cpuflags="-march=$cpu"
3944 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3947 cpuflags="-mcpu=$cpu"
3949 cortex-a*) subarch=armv7a ;;
3950 cortex-r*) subarch=armv7r ;;
3951 cortex-m*) enable thumb; subarch=armv7m ;;
3952 arm11*) subarch=armv6 ;;
3953 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3954 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3955 *) subarch=$(probe_arm_arch) ;;
3961 armv5t*) enable fast_clz ;;
3964 disabled fast_unaligned || enable fast_unaligned
3968 elif enabled avr32; then
3973 cpuflags="-mpart=$cpu"
3977 cpuflags="-march=$cpu"
3981 cpuflags="-mcpu=$cpu"
3985 cpuflags="-march=$cpu"
3989 elif enabled bfin; then
3991 cpuflags="-mcpu=$cpu"
3993 elif enabled mips; then
3995 cpuflags="-march=$cpu"
4020 24kef*|34kf*|1004kf*)
4042 check_cflags "-mtune=p5600"
4050 check_cflags "-mtune=i6400 -mabi=64"
4051 check_ldflags "-mabi=64"
4061 enable local_aligned_8 local_aligned_16 local_aligned_32
4062 enable simd_align_16
4066 enable fast_unaligned
4067 disable aligned_stack
4070 cpuflags="-march=loongson3a -mhard-float -fno-expensive-optimizations"
4073 cpuflags="-march=loongson2e -mhard-float -fno-expensive-optimizations"
4076 cpuflags="-march=loongson2f -mhard-float -fno-expensive-optimizations"
4087 elif enabled ppc; then
4091 case $(tolower $cpu) in
4092 601|ppc601|powerpc601)
4093 cpuflags="-mcpu=601"
4096 603*|ppc603*|powerpc603*)
4097 cpuflags="-mcpu=603"
4100 604*|ppc604*|powerpc604*)
4101 cpuflags="-mcpu=604"
4104 g3|75*|ppc75*|powerpc75*)
4105 cpuflags="-mcpu=750"
4108 g4|745*|ppc745*|powerpc745*)
4109 cpuflags="-mcpu=7450"
4112 74*|ppc74*|powerpc74*)
4113 cpuflags="-mcpu=7400"
4116 g5|970|ppc970|powerpc970)
4117 cpuflags="-mcpu=970"
4121 cpuflags="-mcpu=$cpu"
4125 cpuflags="-mcpu=$cpu"
4128 cpuflags="-mcpu=cell"
4133 cpuflags="-mcpu=e500mc"
4137 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
4142 cpuflags="-mcpu=8540 -mhard-float"
4148 elif enabled sparc; then
4151 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
4152 cpuflags="-mcpu=$cpu"
4154 ultrasparc*|niagara[234])
4155 cpuflags="-mcpu=$cpu"
4159 elif enabled x86; then
4163 cpuflags="-march=$cpu"
4167 # targets that do NOT support nopl and conditional mov (cmov)
4168 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
4169 cpuflags="-march=$cpu"
4172 # targets that do support nopl and conditional mov (cmov)
4173 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\
4174 |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|amdfam10|barcelona|b[dt]ver*)
4175 cpuflags="-march=$cpu"
4179 # targets that do support conditional mov but on which it's slow
4180 pentium4|pentium4m|prescott|nocona)
4181 cpuflags="-march=$cpu"
4189 if [ "$cpu" != generic ]; then
4190 add_cflags $cpuflags
4191 add_asflags $cpuflags
4194 # compiler sanity check
4196 int main(void){ return 0; }
4198 if test "$?" != 0; then
4199 echo "$cc is unable to create an executable file."
4200 if test -z "$cross_prefix" && ! enabled cross_compile ; then
4201 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
4202 echo "Only do this if you know what cross compiling means."
4204 die "C compiler test failed."
4207 add_cppflags -D_ISOC99_SOURCE
4208 add_cxxflags -D__STDC_CONSTANT_MACROS
4209 check_cflags -std=c99
4210 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
4213 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
4217 add_host_cppflags -D_ISOC99_SOURCE
4218 check_host_cflags -std=c99
4219 check_host_cflags -Wall
4220 check_host_cflags -O3
4226 check_code cc "" "int test[2*($expr) - 1]" &&
4227 subarch=$arch64 || subarch=$arch32
4235 check_64bit mips mips64 '_MIPS_SIM > 1'
4239 check_64bit parisc parisc64 'sizeof(void *) > 4'
4243 check_64bit ppc ppc64 'sizeof(void *) > 4'
4247 check_64bit s390 s390x 'sizeof(void *) > 4'
4251 check_64bit sparc sparc64 'sizeof(void *) > 4'
4255 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
4256 # Treat x32 as x64 for now. Note it also needs spic=$shared
4257 test "$subarch" = "x86_32" && check_cpp_condition stddef.h 'defined(__x86_64__)' &&
4259 if test "$subarch" = "x86_64"; then
4264 check_cc <<EOF && subarch="ppc64"
4265 int test[(int)sizeof(char*) - 7];
4271 enabled spic && enable_weak pic
4277 add_cppflags '-I\$(SRC_PATH)/compat/aix'
4278 enabled shared && add_ldflags -Wl,-brtl
4282 enable section_data_rel_ro
4283 SLIB_INSTALL_NAME='$(SLIBNAME)'
4285 # soname not set on purpose
4289 prefix_default="/boot/common"
4290 network_extralibs="-lnetwork"
4294 SHFLAGS='-shared -Wl,-h,$$(@F)'
4295 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
4296 network_extralibs="-lsocket -lnsl"
4297 add_cppflags -D__EXTENSIONS__
4298 # When using suncc to build, the Solaris linker will mark
4299 # an executable with each instruction set encountered by
4300 # the Solaris assembler. As our libraries contain their own
4301 # guards for processor-specific code, instead suppress
4302 # generation of the HWCAPS ELF section on Solaris x86 only.
4303 enabled_all suncc x86 &&
4304 echo "hwcap_1 = OVERRIDE;" > mapfile &&
4305 add_ldflags -Wl,-M,mapfile
4306 nm_default='nm -P -g'
4310 oss_indev_extralibs="-lossaudio"
4311 oss_outdev_extralibs="-lossaudio"
4312 enabled gcc || check_ldflags -Wl,-zmuldefs
4317 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
4319 oss_indev_extralibs="-lossaudio"
4320 oss_outdev_extralibs="-lossaudio"
4328 add_extralibs -lpoll -lgnugetopt
4332 enabled ppc && add_asflags -force_cpusubtype_ALL
4333 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
4334 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
4336 add_ldflags -Wl,-dynamic,-search_paths_first
4338 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
4339 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
4341 enabled x86_64 && objformat="macho64"
4342 enabled_any pic shared x86_64 ||
4343 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
4346 if test $target_os = "mingw32ce"; then
4351 decklink_outdev_extralibs="$decklink_outdev_extralibs -lole32 -loleaut32"
4352 decklink_indev_extralibs="$decklink_indev_extralibs -lole32 -loleaut32"
4354 if enabled x86_64; then
4355 LIBTARGET="i386:x86-64"
4356 elif enabled arm; then
4359 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
4360 check_ldflags -Wl,--nxcompat
4361 check_ldflags -Wl,--dynamicbase
4362 enabled x86_32 && check_ldflags -Wl,--large-address-aware
4363 shlibdir_default="$bindir_default"
4366 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4367 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4368 dlltool="${cross_prefix}dlltool"
4369 if check_cmd lib.exe -list; then
4370 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4371 if enabled x86_64; then
4374 elif check_cmd $dlltool --version; then
4375 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
4377 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4379 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4380 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4381 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
4388 if enabled shared; then
4389 # Link to the import library instead of the normal static library
4392 # Cannot build both shared and static libs with MSVC or icl.
4395 enabled x86_32 && check_ldflags -LARGEADDRESSAWARE
4396 shlibdir_default="$bindir_default"
4399 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4400 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4401 SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
4402 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4404 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4405 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4406 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4413 shlibdir_default="$bindir_default"
4416 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4417 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4418 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4420 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
4421 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
4424 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
4426 *-dos|freedos|opendos)
4427 network_extralibs="-lsocket"
4430 add_cppflags -U__STRICT_ANSI__
4434 enable section_data_rel_ro
4438 ranlib="echo ignoring ranlib"
4444 add_cppflags -D_GNU_SOURCE
4445 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
4446 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
4450 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
4451 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
4452 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
4453 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
4454 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
4455 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
4456 emxexp $(OBJS) >> $(SUBDIR)$(NAME).def'
4457 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
4458 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
4459 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
4461 enable_weak os2threads
4464 add_cppflags -D_BSD_SOURCE
4469 add_cppflags -D_QNX_SOURCE
4470 network_extralibs="-lsocket"
4475 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
4476 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
4477 add_ldflags -Wl,--target1-abs,--no-undefined \
4478 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
4479 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
4480 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
4481 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
4482 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
4485 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
4490 add_cppflags -D_C99_SNPRINTF_EXTENSION \
4491 -D_REENTRANT_SOURCE \
4492 -D_RESEARCH_SOURCE \
4495 add_compat strtod.o strtod=avpriv_strtod
4496 network_extralibs='-lbsd'
4497 exeobjs=compat/plan9/main.o
4504 die "Unknown OS '$target_os'."
4508 # determine libc flavour
4513 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
4514 if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
4515 eval ${pfx}libc_type=uclibc
4516 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4517 elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then
4518 eval ${pfx}libc_type=glibc
4519 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4520 # MinGW headers can be installed on Cygwin, so check for newlib first.
4521 elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
4522 eval ${pfx}libc_type=newlib
4523 add_${pfx}cppflags -U__STRICT_ANSI__
4524 # MinGW64 is backwards compatible with MinGW32, so check for it first.
4525 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
4526 eval ${pfx}libc_type=mingw64
4527 if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then
4528 add_compat msvcrt/snprintf.o
4529 add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
4531 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4532 eval test \$${pfx_no_}cc_type = "gcc" &&
4533 add_${pfx}cppflags -D__printf__=__gnu_printf__
4534 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" ||
4535 check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
4536 eval ${pfx}libc_type=mingw32
4537 check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
4538 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
4539 die "ERROR: MinGW32 runtime version must be >= 3.15."
4540 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4541 eval test \$${pfx_no_}cc_type = "gcc" &&
4542 add_${pfx}cppflags -D__printf__=__gnu_printf__
4543 elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
4544 eval ${pfx}libc_type=msvcrt
4545 if check_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then
4546 if [ "$pfx" = host_ ]; then
4547 add_host_cppflags -Dsnprintf=_snprintf
4549 add_compat strtod.o strtod=avpriv_strtod
4550 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
4551 _snprintf=avpriv_snprintf \
4552 vsnprintf=avpriv_vsnprintf
4555 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
4556 # 0x601 by default unless something else is set by the user.
4557 # This can easily lead to us detecting functions only present
4558 # in such new versions and producing binaries requiring windows 7.0.
4559 # Therefore explicitly set the default to XP unless the user has
4560 # set something else on the command line.
4561 # Don't do this if WINAPI_FAMILY is set and is set to a non-desktop
4562 # family. For these cases, configure is free to use any functions
4563 # found in the SDK headers by default. (Alternatively, we could force
4564 # _WIN32_WINNT to 0x0602 in that case.)
4565 check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||
4566 { check_${pfx}cpp <<EOF && add_${pfx}cppflags -D_WIN32_WINNT=0x0502; }
4567 #ifdef WINAPI_FAMILY
4568 #include <winapifamily.h>
4569 #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
4574 elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
4575 eval ${pfx}libc_type=klibc
4576 elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then
4577 eval ${pfx}libc_type=bionic
4578 elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then
4579 eval ${pfx}libc_type=solaris
4580 add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
4582 check_${pfx}cc <<EOF
4584 void *v = localtime_r;
4586 test "$?" != 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
4588 void *v = localtime_r;
4594 test -n "$libc_type" && enable libc_$libc_type
4596 test -n "$host_libc_type" && enable host_libc_$host_libc_type
4600 add_compat strtod.o strtod=avpriv_strtod
4604 # hacks for compiler/libc/os combinations
4606 if enabled_all tms470 libc_glibc; then
4607 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
4608 add_cppflags -D__USER_LABEL_PREFIX__=
4609 add_cppflags -D__builtin_memset=memset
4610 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
4611 add_cflags -pds=48 # incompatible redefinition of macro
4614 if enabled_all ccc libc_glibc; then
4615 add_ldflags -Wl,-z,now # calls to libots crash without this
4618 check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||
4619 add_cppflags '-I\$(SRC_PATH)/compat/float'
4622 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
4625 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
4627 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
4630 : ${shlibdir_default:="$libdir"}
4631 : ${pkgconfigdir_default:="$libdir/pkgconfig"}
4633 set_default $PATHS_LIST
4636 # we need to build at least one lib type
4637 if ! enabled_any static shared; then
4639 At least one library type must be built.
4640 Specify --enable-static to build the static libraries or --enable-shared to
4641 build the shared libraries as well. To only build the shared libraries specify
4642 --disable-static in addition to --enable-shared.
4647 die_license_disabled() {
4648 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
4651 die_license_disabled_gpl() {
4652 enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }
4655 die_license_disabled gpl frei0r
4656 die_license_disabled gpl libcdio
4657 die_license_disabled gpl libsmbclient
4658 die_license_disabled gpl libutvideo
4659 die_license_disabled gpl libvidstab
4660 die_license_disabled gpl libx264
4661 die_license_disabled gpl libx265
4662 die_license_disabled gpl libxavs
4663 die_license_disabled gpl libxvid
4664 die_license_disabled gpl libzvbi
4665 die_license_disabled gpl x11grab
4667 die_license_disabled nonfree libaacplus
4668 die_license_disabled nonfree libfaac
4669 die_license_disabled nonfree nvenc
4670 enabled gpl && die_license_disabled_gpl nonfree libfdk_aac
4671 enabled gpl && die_license_disabled_gpl nonfree openssl
4673 die_license_disabled version3 libopencore_amrnb
4674 die_license_disabled version3 libopencore_amrwb
4675 die_license_disabled version3 libsmbclient
4676 die_license_disabled version3 libvo_aacenc
4677 die_license_disabled version3 libvo_amrwbenc
4679 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
4681 disabled optimizations || check_cflags -fomit-frame-pointer
4684 disabled pic && return
4687 case "$target_os" in
4697 enabled pic && enable_weak_pic
4699 check_cc <<EOF || die "Symbol mangling check failed."
4702 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
4703 extern_prefix=${sym%%ff_extern*}
4705 check_cc <<EOF && enable_weak inline_asm
4706 void foo(void) { __asm__ volatile ("" ::); }
4710 for restrict_keyword in restrict __restrict__ __restrict; do
4711 check_cc <<EOF && _restrict=$restrict_keyword && break
4712 void foo(char * $restrict_keyword p);
4716 check_cc <<EOF && enable pragma_deprecated
4717 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
4720 check_cc <<EOF && enable attribute_packed
4721 struct { int x; } __attribute__((packed)) x;
4724 check_cc <<EOF && enable attribute_may_alias
4725 union { int x; } __attribute__((may_alias)) x;
4728 check_cc <<EOF || die "endian test failed"
4729 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
4731 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
4733 if ! enabled ppc64 || enabled bigendian; then
4738 log "check_gas using '$as' as AS"
4739 # :vararg is used on aarch64, arm and ppc altivec
4740 check_as <<EOF || return 1
4741 .macro m n, y:vararg=0
4746 # .altmacro is only used in arm asm
4747 ! enabled arm || check_as <<EOF || return 1
4754 if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then
4756 enabled_any arm aarch64 && nogas=die
4757 enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn
4761 arm*) gaspp_as_type=armasm; as_noop=-h ;;
4762 gcc) gaspp_as_type=gas ;;
4763 *) gaspp_as_type=$as_type ;;
4766 [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"
4768 test "${as#*gas-preprocessor.pl}" != "$as" ||
4769 check_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- ${as:=$cc} $as_noop &&
4770 gas="${gas:=gas-preprocessor.pl} -arch $arch -as-type $gaspp_as_type -- ${as:=$cc}"
4772 if ! check_gas ; then
4775 $nogas "GNU assembler not found, install/update gas-preprocessor"
4778 check_as <<EOF && enable as_func
4784 check_inline_asm inline_asm_labels '"1:\n"'
4786 check_inline_asm inline_asm_nonlocal_labels '"Label:\n"'
4788 if enabled aarch64; then
4789 enabled armv8 && check_insn armv8 'prfm pldl1strm, [x0]'
4790 # internal assembler in clang 3.3 does not support this instruction
4791 enabled neon && check_insn neon 'ext v0.8B, v0.8B, v1.8B, #1'
4792 enabled vfp && check_insn vfp 'fmadd d0, d0, d1, d2'
4794 map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM
4796 elif enabled alpha; then
4800 elif enabled arm; then
4802 enabled msvc && check_cpp_condition stddef.h "defined _M_ARMT" && enable thumb
4804 check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb
4805 float func(float a, float b){ return a+b; }
4808 enabled thumb && check_cflags -mthumb || check_cflags -marm
4810 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
4812 elif check_cpp_condition stddef.h "defined _M_ARM_FP && _M_ARM_FP >= 30"; then
4814 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__" && [ $target_os != darwin ]; then
4815 case "${cross_prefix:-$cc}" in
4816 *hardfloat*) enable vfp_args; fpabi=vfp ;;
4817 *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
4818 __asm__ (".eabi_attribute 28, 1");
4819 int main(void) { return 0; }
4822 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
4825 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
4826 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
4827 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
4828 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
4829 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
4830 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
4831 enabled setend && check_insn setend 'setend be'
4833 [ $target_os = linux ] || [ $target_os = android ] ||
4834 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
4837 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
4839 check_as <<EOF && enable as_dn_directive
4844 # llvm's integrated assembler supports .object_arch from llvm 3.5
4845 [ "$objformat" = elf ] && check_as <<EOF && enable as_object_arch
4849 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
4851 elif enabled mips; then
4853 enabled loongson2 && check_inline_asm loongson2 '"dmult.g $8, $9, $10"'
4854 enabled loongson3 && check_inline_asm loongson3 '"gsldxc1 $f0, 0($2, $3)"'
4855 enabled mmi && check_inline_asm mmi '"punpcklhw $f0, $f0, $f0"'
4857 # Enable minimum ISA based on selected options
4858 if enabled mips64 && (enabled mipsdspr1 || enabled mipsdspr2); then
4859 add_cflags "-mips64r2"
4860 add_asflags "-mips64r2"
4861 elif enabled mips64 && enabled mipsfpu && disabled loongson2 && disabled loongson3; then
4862 add_cflags "-mips64"
4863 add_asflags "-mips64"
4864 elif enabled mipsdspr1 || enabled mipsdspr2; then
4865 add_cflags "-mips32r2 -mfp32"
4866 add_asflags "-mips32r2 -mfp32"
4867 elif enabled mips32r5 || enabled mips64r6; then
4868 check_cflags "-mfp64"
4869 check_ldflags "-mfp64"
4872 enabled mips32r5 && check_cflags "-mips32r5 -msched-weight -mload-store-pairs -funroll-loops" &&
4873 check_ldflags "-mips32r5" &&
4874 check_inline_asm mips32r5 '"ulw $t0, ($t1)"'
4875 enabled mips64r6 && check_cflags "-mips64r6 -msched-weight -mload-store-pairs -funroll-loops" &&
4876 check_ldflags "-mips64r6" &&
4877 check_inline_asm mips64r6 '"aui $t0, $t1, 1"'
4878 enabled mipsdspr1 && add_cflags "-mdsp" && add_asflags "-mdsp" &&
4879 check_inline_asm mipsdspr1 '"addu.qb $t0, $t1, $t2"'
4880 enabled mipsdspr2 && add_cflags "-mdspr2" && add_asflags "-mdspr2" &&
4881 check_inline_asm mipsdspr2 '"absq_s.qb $t0, $t1"'
4882 enabled mipsfpu && add_cflags "-mhard-float" && add_asflags "-mhard-float" &&
4883 check_inline_asm mipsfpu '"madd.d $f0, $f2, $f4, $f6"'
4884 enabled msa && check_cflags "-mmsa" && check_ldflags "-mmsa" &&
4885 check_inline_asm msa '"addvi.b $w0, $w1, 1"'
4887 enabled mips32r5 && add_asflags "-mips32r5 -mfp64"
4888 enabled mips64r6 && add_asflags "-mips64r6 -mfp64"
4889 enabled msa && add_asflags "-mmsa"
4891 elif enabled parisc; then
4893 if enabled gcc; then
4894 case $($cc -dumpversion) in
4895 4.[3-9].*) check_cflags -fno-optimize-sibling-calls ;;
4899 elif enabled ppc; then
4901 enable local_aligned_8 local_aligned_16 local_aligned_32
4903 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
4904 check_inline_asm ibm_asm '"add 0, 0, 0"'
4905 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
4906 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
4908 # AltiVec flags: The FSF version of GCC differs from the Apple version
4909 if enabled altivec; then
4910 check_cflags -maltivec -mabi=altivec &&
4911 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
4912 check_cflags -faltivec
4914 # check if our compiler supports Motorola AltiVec C API
4915 check_cc <<EOF || disable altivec
4918 vector signed int v1 = (vector signed int) { 0 };
4919 vector signed int v2 = (vector signed int) { 1 };
4920 v1 = vec_add(v1, v2);
4925 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
4928 if enabled vsx; then
4929 check_cflags -mvsx &&
4930 check_builtin vec_vsx_ld "altivec.h" "__builtin_vec_vsx_ld" || disable vsx
4933 if enabled power8; then
4934 check_cpp_condition "altivec.h" "defined(_ARCH_PWR8)" || disable power8
4937 elif enabled x86; then
4939 check_builtin rdtsc intrin.h "__rdtsc()"
4940 check_builtin mm_empty mmintrin.h "_mm_empty()"
4942 enable local_aligned_8 local_aligned_16 local_aligned_32
4944 # check whether EBP is available on x86
4945 # As 'i' is stored on the stack, this program will crash
4946 # if the base pointer is used to access it because the
4947 # base pointer is cleared in the inline assembly code.
4948 check_exec_crash <<EOF && enable ebp_available
4950 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
4954 # check whether EBX is available on x86
4955 check_inline_asm ebx_available '""::"b"(0)' &&
4956 check_inline_asm ebx_available '"":::"%ebx"'
4958 # check whether xmm clobbers are supported
4959 check_inline_asm xmm_clobbers '"":::"%xmm0"'
4961 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' ||
4962 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"'
4964 # check whether binutils is new enough to compile SSSE3/MMXEXT
4965 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
4966 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
4968 if ! disabled_any asm mmx yasm; then
4969 if check_cmd $yasmexe --version; then
4970 enabled x86_64 && yasm_extra="-m amd64"
4971 yasm_debug="-g dwarf2"
4972 elif check_cmd nasm -v; then
4974 yasm_debug="-g -F dwarf"
4975 if enabled x86_64; then
4976 case "$objformat" in
4977 elf) objformat=elf64 ;;
4978 win32) objformat=win64 ;;
4983 YASMFLAGS="-f $objformat $yasm_extra"
4984 enabled pic && append YASMFLAGS "-DPIC"
4985 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
4986 case "$objformat" in
4987 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
4990 check_yasm "movbe ecx, [5]" && enable yasm ||
4991 die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."
4992 check_yasm "vextracti128 xmm0, ymm0, 0" || disable avx2_external
4993 check_yasm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external
4994 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
4995 check_yasm "CPU amdnop" || disable cpunop
4999 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
5006 check_code cc arm_neon.h "int16x8_t test = vdupq_n_s16(0)" && enable intrinsics_neon
5008 check_ldflags -Wl,--as-needed
5009 check_ldflags -Wl,-z,noexecstack
5011 if check_func dlopen; then
5013 elif check_func dlopen -ldl; then
5017 frei0r_filter_extralibs='$ldl'
5018 frei0r_src_filter_extralibs='$ldl'
5019 ladspa_filter_extralibs='$ldl'
5020 nvenc_encoder_extralibs='$ldl'
5022 if ! disabled network; then
5023 check_func getaddrinfo $network_extralibs
5024 check_func getservbyport $network_extralibs
5025 check_func inet_aton $network_extralibs
5027 check_type netdb.h "struct addrinfo"
5028 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
5029 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
5030 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
5031 check_type poll.h "struct pollfd"
5032 check_type netinet/sctp.h "struct sctp_event_subscribe"
5033 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
5034 check_type netinet/in.h "struct sockaddr_in6"
5035 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
5036 check_type "sys/types.h sys/socket.h" socklen_t
5038 # Prefer arpa/inet.h over winsock2
5039 if check_header arpa/inet.h ; then
5040 check_func closesocket
5041 elif check_header winsock2.h ; then
5042 check_func_headers winsock2.h closesocket -lws2 &&
5043 network_extralibs="-lws2" ||
5044 { check_func_headers winsock2.h closesocket -lws2_32 &&
5045 network_extralibs="-lws2_32"; } || disable winsock2_h network
5046 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
5048 check_type ws2tcpip.h socklen_t
5049 check_type ws2tcpip.h "struct addrinfo"
5050 check_type ws2tcpip.h "struct group_source_req"
5051 check_type ws2tcpip.h "struct ip_mreq_source"
5052 check_type ws2tcpip.h "struct ipv6_mreq"
5053 check_type winsock2.h "struct pollfd"
5054 check_struct winsock2.h "struct sockaddr" sa_len
5055 check_type ws2tcpip.h "struct sockaddr_in6"
5056 check_type ws2tcpip.h "struct sockaddr_storage"
5062 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
5063 check_builtin atomic_compare_exchange "" "int *ptr, *oldval; int newval; __atomic_compare_exchange_n(ptr, oldval, newval, 0, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST)"
5064 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
5065 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
5066 check_builtin sarestart signal.h "SA_RESTART"
5067 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
5068 check_builtin gmtime_r time.h "time_t *time; struct tm *tm; gmtime_r(time, tm)"
5069 check_builtin localtime_r time.h "time_t *time; struct tm *tm; localtime_r(time, tm)"
5071 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
5072 check_func ${malloc_prefix}memalign && enable memalign
5073 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
5076 check_func_headers time.h clock_gettime || { check_func_headers time.h clock_gettime -lrt && add_extralibs -lrt && LIBRT="-lrt"; }
5079 check_func gethrtime
5081 check_func getrusage
5082 check_func gettimeofday
5084 check_func mach_absolute_time
5088 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
5089 check_func_headers time.h nanosleep || { check_func_headers time.h nanosleep -lrt && add_extralibs -lrt && LIBRT="-lrt"; }
5090 check_func sched_getaffinity
5091 check_func setrlimit
5092 check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE
5093 check_func strerror_r
5098 check_func_headers conio.h kbhit
5099 check_func_headers io.h setmode
5100 check_func_headers lzo/lzo1x.h lzo1x_999_compress
5101 check_func_headers stdlib.h getenv
5102 check_func_headers sys/stat.h lstat
5104 check_func_headers windows.h CoTaskMemFree -lole32
5105 check_func_headers windows.h GetProcessAffinityMask
5106 check_func_headers windows.h GetProcessTimes
5107 check_func_headers windows.h GetSystemTimeAsFileTime
5108 check_func_headers windows.h MapViewOfFile
5109 check_func_headers windows.h PeekNamedPipe
5110 check_func_headers windows.h SetConsoleTextAttribute
5111 check_func_headers windows.h SetConsoleCtrlHandler
5112 check_func_headers windows.h Sleep
5113 check_func_headers windows.h VirtualAlloc
5114 check_struct windows.h "CONDITION_VARIABLE" Ptr
5115 check_func_headers glob.h glob
5117 check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext
5119 check_header CoreServices/CoreServices.h
5120 check_header direct.h
5121 check_header dirent.h
5122 check_header dlfcn.h
5123 check_header d3d11.h
5125 check_header dxva2api.h -D_WIN32_WINNT=0x0600
5127 check_header libcrystalhd/libcrystalhd_if.h
5128 check_header mach/mach_time.h
5129 check_header malloc.h
5130 check_header net/udplite.h
5132 check_header sys/mman.h
5133 check_header sys/param.h
5134 check_header sys/resource.h
5135 check_header sys/select.h
5136 check_header sys/time.h
5137 check_header sys/un.h
5138 check_header termios.h
5139 check_header unistd.h
5140 check_header valgrind/valgrind.h
5141 check_header vdpau/vdpau.h
5142 check_header vdpau/vdpau_x11.h
5143 check_header VideoDecodeAcceleration/VDADecoder.h
5144 check_header VideoToolbox/VideoToolbox.h
5145 check_header windows.h
5146 check_header X11/extensions/XvMClib.h
5147 check_header asm/types.h
5149 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
5150 check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32
5151 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
5153 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
5155 check_type "windows.h dxva.h" "DXVA_PicParams_HEVC" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0
5156 check_type "windows.h d3d11.h" "ID3D11VideoDecoder"
5157 check_type "windows.h d3d11.h" "ID3D11VideoContext"
5158 check_type "d3d9.h dxva2api.h" DXVA2_ConfigPictureDecode -D_WIN32_WINNT=0x0602
5160 check_type "va/va.h" "VAPictureParameterBufferHEVC"
5162 check_type "vdpau/vdpau.h" "VdpPictureInfoHEVC"
5164 if ! disabled w32threads && ! enabled pthreads; then
5165 check_func_headers "windows.h process.h" _beginthreadex &&
5166 enable w32threads || disable w32threads
5169 # check for some common methods of building with pthread support
5170 # do this before the optional library checks as some of them require pthreads
5171 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
5173 if check_func pthread_join -pthread && check_func pthread_create -pthread; then
5175 add_extralibs -pthread
5176 elif check_func pthread_join -pthreads && check_func pthread_create -pthreads; then
5177 add_cflags -pthreads
5178 add_extralibs -pthreads
5179 elif check_func pthread_join -ldl -pthread && check_func pthread_create -ldl -pthread; then
5180 add_cflags -ldl -pthread
5181 add_extralibs -ldl -pthread
5182 elif check_func pthread_join -lpthreadGC2 && check_func pthread_create -lpthreadGC2; then
5183 add_extralibs -lpthreadGC2
5184 elif check_lib pthread.h pthread_join -lpthread && check_lib pthread.h pthread_create -lpthread; then
5186 elif ! check_func pthread_join && ! check_func pthread_create; then
5189 check_code cc "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER" || disable pthreads
5193 if enabled pthreads; then
5194 check_func pthread_cancel
5197 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
5198 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
5199 disabled lzma || check_lib2 lzma.h lzma_version_number -llzma || disable lzma
5201 check_lib math.h sin -lm && LIBM="-lm"
5202 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
5209 for func in $MATH_FUNCS; do
5210 eval check_mathfunc $func \${${func}_args:-1}
5213 # these are off by default, so fail if requested and not available
5214 enabled avfoundation_indev && { check_header_oc AVFoundation/AVFoundation.h || disable avfoundation_indev; }
5215 enabled avfoundation_indev && { check_lib2 CoreGraphics/CoreGraphics.h CGGetActiveDisplayList -framework CoreGraphics ||
5216 check_lib2 ApplicationServices/ApplicationServices.h CGGetActiveDisplayList -framework ApplicationServices; }
5217 enabled avisynth && { { check_lib2 "windows.h" LoadLibrary; } ||
5218 { check_lib2 "dlfcn.h" dlopen -ldl; } ||
5219 die "ERROR: LoadLibrary/dlopen not found for avisynth"; }
5220 enabled decklink && { check_header DeckLinkAPI.h || die "ERROR: DeckLinkAPI.h header not found"; }
5221 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
5222 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
5223 enabled ladspa && { check_header ladspa.h || die "ERROR: ladspa.h header not found"; }
5224 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
5225 enabled libaacplus && require "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
5226 enabled libass && require_pkg_config libass ass/ass.h ass_library_init
5227 enabled libbluray && require_pkg_config libbluray libbluray/bluray.h bd_open
5228 enabled libbs2b && require_pkg_config libbs2b bs2b.h bs2b_open
5229 enabled libcelt && require libcelt celt/celt.h celt_decode -lcelt0 &&
5230 { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
5231 die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
5232 enabled libcaca && require_pkg_config caca caca.h caca_create_canvas
5233 enabled libdcadec && require_pkg_config dcadec libdcadec/dca_context.h dcadec_context_create &&
5234 check_struct libdcadec/dca_context.h "struct dcadec_exss_info" matrix_encoding
5235 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
5236 enabled libfdk_aac && { use_pkg_config fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen ||
5237 { require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac &&
5238 warn "using libfdk without pkg-config"; } }
5239 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"
5240 enabled libflite && require2 libflite "flite/flite.h" flite_init $flite_libs
5241 enabled fontconfig && enable libfontconfig
5242 enabled libfontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
5243 enabled libfreetype && require_libfreetype
5244 enabled libfribidi && require_pkg_config fribidi fribidi.h fribidi_version_info
5245 enabled libgme && require libgme gme/gme.h gme_new_emu -lgme -lstdc++
5246 enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
5247 check_lib "${gsm_hdr}" gsm_create -lgsm && break;
5248 done || die "ERROR: libgsm not found"; }
5249 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
5250 enabled libkvazaar && require_pkg_config kvazaar kvazaar.h kvz_api_get
5251 enabled libmfx && require_pkg_config libmfx "mfx/mfxvideo.h" MFXInit
5252 enabled libmodplug && require_pkg_config libmodplug libmodplug/modplug.h ModPlug_Load
5253 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
5254 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
5255 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
5256 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
5257 enabled libopencv && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
5258 enabled libopenh264 && require_pkg_config openh264 wels/codec_api.h WelsGetCodecVersion
5259 enabled libopenjpeg && { check_lib openjpeg.h opj_version -lopenmj2 -DOPJ_STATIC ||
5260 check_lib openjpeg-1.5/openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||
5261 check_lib openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||
5262 die "ERROR: libopenjpeg not found"; }
5263 enabled libopus && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
5264 enabled libpulse && require_pkg_config libpulse pulse/pulseaudio.h pa_context_new
5265 enabled libquvi && require_pkg_config libquvi quvi/quvi.h quvi_init
5266 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
5267 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
5268 enabled libshine && require_pkg_config shine shine/layer3.h shine_encode_buffer
5269 enabled libsmbclient && { use_pkg_config smbclient libsmbclient.h smbc_init ||
5270 require smbclient libsmbclient.h smbc_init -lsmbclient; }
5271 enabled libsnappy && require snappy snappy-c.h snappy_compress -lsnappy
5272 enabled libsoxr && require libsoxr soxr.h soxr_create -lsoxr && LIBSOXR="-lsoxr"
5273 enabled libssh && require_pkg_config libssh libssh/sftp.h sftp_init
5274 enabled libspeex && require_pkg_config speex speex/speex.h speex_decoder_init -lspeex
5275 enabled libstagefright_h264 && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
5276 media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
5277 media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static
5278 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
5279 enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame &&
5280 { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
5281 die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
5282 enabled libutvideo && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
5283 enabled libv4l2 && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
5284 enabled libvidstab && require_pkg_config "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit
5285 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
5286 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
5287 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
5290 enabled libvpx_vp8_decoder && {
5291 use_pkg_config "vpx >= 0.9.1" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp8_dx ||
5292 check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
5293 die "ERROR: libvpx decoder version must be >=0.9.1";
5295 enabled libvpx_vp8_encoder && {
5296 use_pkg_config "vpx >= 0.9.7" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp8_cx ||
5297 check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VP8E_SET_MAX_INTRA_BITRATE_PCT" -lvpx ||
5298 die "ERROR: libvpx encoder version must be >=0.9.7";
5300 enabled libvpx_vp9_decoder && {
5301 use_pkg_config "vpx >= 1.3.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx ||
5302 check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx ||
5303 disable libvpx_vp9_decoder;
5305 enabled libvpx_vp9_encoder && {
5306 use_pkg_config "vpx >= 1.3.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx ||
5307 check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VP9E_SET_AQ_MODE" -lvpx ||
5308 disable libvpx_vp9_encoder;
5310 if disabled_all libvpx_vp8_decoder libvpx_vp9_decoder libvpx_vp8_encoder libvpx_vp9_encoder; then
5311 die "libvpx enabled but no supported decoders found"
5315 enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack
5316 enabled libwebp && {
5317 enabled libwebp_encoder && require_pkg_config "libwebp >= 0.2.0" webp/encode.h WebPGetEncoderVersion
5318 enabled libwebp_anim_encoder && { use_pkg_config "libwebpmux >= 0.4.0" webp/mux.h WebPAnimEncoderOptionsInit || disable libwebp_anim_encoder; } }
5319 enabled libx264 && { use_pkg_config x264 "stdint.h x264.h" x264_encoder_encode ||
5320 { require libx264 x264.h x264_encoder_encode -lx264 &&
5321 warn "using libx264 without pkg-config"; } } &&
5322 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
5323 die "ERROR: libx264 must be installed and version must be >= 0.118."; } &&
5324 { check_cpp_condition x264.h "X264_MPEG2" &&
5326 enabled libx265 && require_pkg_config x265 x265.h x265_api_get &&
5327 { check_cpp_condition x265.h "X265_BUILD >= 57" ||
5328 die "ERROR: libx265 version must be >= 57."; }
5329 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
5330 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
5331 enabled libzmq && require_pkg_config libzmq zmq.h zmq_ctx_new
5332 enabled libzvbi && require libzvbi libzvbi.h vbi_decoder_new -lzvbi
5333 enabled mmal && { check_lib interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ||
5334 { ! enabled cross_compile && {
5335 add_cflags -isystem/opt/vc/include/ -isystem/opt/vc/include/interface/vmcs_host/linux -isystem/opt/vc/include/interface/vcos/pthreads -fgnu89-inline ;
5336 add_extralibs -L/opt/vc/lib/ -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ;
5337 check_lib interface/mmal/mmal.h mmal_port_connect ; }
5338 check_lib interface/mmal/mmal.h mmal_port_connect ; } ||
5339 die "ERROR: mmal not found"; }
5340 enabled nvenc && { check_header nvEncodeAPI.h || die "ERROR: nvEncodeAPI.h not found."; } &&
5341 { check_cpp_condition nvEncodeAPI.h "NVENCAPI_MAJOR_VERSION >= 5" ||
5342 die "ERROR: NVENC API version 4 or older is not supported"; } &&
5343 { [ $target_os != cygwin ] || die "ERROR: NVENC is not supported on Cygwin currently."; }
5344 enabled openal && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
5345 check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
5346 die "ERROR: openal not found"; } &&
5347 { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
5348 die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
5349 enabled opencl && { check_lib2 OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||
5350 check_lib2 CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||
5351 die "ERROR: opencl not found"; } &&
5352 { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||
5353 check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||
5354 die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }
5355 enabled opengl && { check_lib GL/glx.h glXGetProcAddress "-lGL" ||
5356 check_lib2 windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||
5357 check_lib2 OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||
5358 check_lib2 ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||
5359 die "ERROR: opengl not found."
5361 enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
5362 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
5363 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
5364 die "ERROR: openssl not found"; }
5365 enabled qtkit_indev && { check_header_oc QTKit/QTKit.h || disable qtkit_indev; }
5367 if enabled gnutls; then
5368 { check_lib2 gmp.h mpz_export -lgmp && enable gmp; } ||
5369 { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }
5373 if enabled libdc1394; then
5374 { require_pkg_config libdc1394-2 dc1394/dc1394.h dc1394_new &&
5375 enable libdc1394_2; } ||
5376 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
5377 enable libdc1394_1; } ||
5378 die "ERROR: No version of libdc1394 found "
5380 if ! disabled sdl; then
5381 SDL_CONFIG="${cross_prefix}sdl-config"
5382 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
5383 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
5384 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
5387 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
5388 sdl_cflags=$("${SDL_CONFIG}" --cflags)
5389 sdl_libs=$("${SDL_CONFIG}" --libs)
5390 check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
5391 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
5392 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
5394 elif enabled sdl ; then
5395 die "ERROR: SDL not found"
5400 if test $target_os = "mingw32"; then
5401 sdl_libs="$sdl_libs -mconsole"
5404 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
5406 disabled securetransport || { check_func SecIdentityCreate "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&
5407 check_lib2 "Security/SecureTransport.h Security/Security.h" "SSLCreateContext SecItemImport" "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&
5408 enable securetransport; }
5410 makeinfo --version > /dev/null 2>&1 && enable makeinfo || disable makeinfo
5412 && [ 0$(makeinfo --version | grep "texinfo" | sed 's/.*texinfo[^0-9]*\([0-9]*\)\..*/\1/') -ge 5 ] \
5413 && enable makeinfo_html || disable makeinfo_html
5414 disabled makeinfo_html && texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
5415 perl -v > /dev/null 2>&1 && enable perl || disable perl
5416 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
5417 rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout
5419 check_header linux/fb.h
5420 check_header linux/videodev.h
5421 check_header linux/videodev2.h
5422 check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete
5424 check_header sys/videoio.h
5425 check_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete
5427 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
5428 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
5429 # w32api 3.12 had it defined wrong
5430 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
5432 check_type "dshow.h" IBaseFilter
5434 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
5435 { check_header dev/bktr/ioctl_meteor.h &&
5436 check_header dev/bktr/ioctl_bt848.h; } ||
5437 { check_header machine/ioctl_meteor.h &&
5438 check_header machine/ioctl_bt848.h; } ||
5439 { check_header dev/video/meteor/ioctl_meteor.h &&
5440 check_header dev/video/bktr/ioctl_bt848.h; } ||
5441 check_header dev/ic/bt8xx.h
5443 check_header sndio.h
5444 if check_struct sys/soundcard.h audio_buf_info bytes; then
5445 enable_safe sys/soundcard.h
5447 check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
5448 #include <sys/soundcard.h>
5452 check_header soundcard.h
5454 enabled_any alsa_indev alsa_outdev &&
5455 check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
5457 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait &&
5458 check_func jack_port_get_latency_range -ljack
5460 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
5462 if enabled libcdio; then
5463 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
5464 check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
5465 die "ERROR: No usable libcdio/cdparanoia found"
5469 check_lib X11/Xlib.h XOpenDisplay -lX11 || disable xlib
5471 if ! disabled libxcb; then
5472 check_pkg_config "xcb >= 1.4" xcb/xcb.h xcb_connect || {
5473 enabled libxcb && die "ERROR: libxcb >= 1.4 not found";
5474 } && disable x11grab && enable libxcb
5476 if enabled libxcb; then
5477 disabled libxcb_shm || {
5478 check_pkg_config xcb-shm xcb/shm.h xcb_shm_attach || {
5479 enabled libxcb_shm && die "ERROR: libxcb_shm not found";
5480 } && check_header sys/shm.h && enable libxcb_shm; }
5482 disabled libxcb_xfixes || {
5483 check_pkg_config xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image || {
5484 enabled libxcb_xfixes && die "ERROR: libxcb_xfixes not found";
5485 } && enable libxcb_xfixes; }
5487 disabled libxcb_shape || {
5488 check_pkg_config xcb-shape xcb/shape.h xcb_shape_get_rectangles || {
5489 enabled libxcb_shape && die "ERROR: libxcb_shape not found";
5490 } && enable libxcb_shape; }
5492 add_cflags $xcb_cflags $xcb_shm_cflags $xcb_xfixes_cflags $xcb_shape_cflags
5493 add_extralibs $xcb_libs $xcb_shm_libs $xcb_xfixes_libs $xcb_shape_libs
5497 if enabled x11grab; then
5498 enabled xlib || die "ERROR: Xlib not found"
5499 require Xext X11/extensions/XShm.h XShmCreateImage -lXext
5500 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
5503 check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs"
5505 enabled dxva2api_h &&
5506 check_cc <<EOF && enable dxva2api_cobj
5507 #define _WIN32_WINNT 0x0600
5509 #include <windows.h>
5511 #include <dxva2api.h>
5512 int main(void) { IDirectXVideoDecoder *o = NULL; IDirectXVideoDecoder_Release(o); return 0; }
5516 check_lib va/va.h vaInitialize -lva ||
5519 enabled vaapi && enabled xlib &&
5520 check_lib2 "va/va.h va/va_x11.h" vaGetDisplay -lva -lva-x11 &&
5524 check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
5527 enabled vdpau && enabled xlib &&
5528 check_func_headers "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau &&
5529 prepend ffmpeg_libs $($ldflags_filter "-lvdpau") &&
5532 # Funny iconv installations are not unusual, so check it after all flags have been set
5533 disabled iconv || check_func_headers iconv.h iconv || check_lib2 iconv.h iconv -liconv || disable iconv
5535 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
5537 # add some useful compiler flags if supported
5538 check_cflags -Wdeclaration-after-statement
5540 check_cflags -Wdisabled-optimization
5541 check_cflags -Wpointer-arith
5542 check_cflags -Wredundant-decls
5543 check_cflags -Wwrite-strings
5544 check_cflags -Wtype-limits
5545 check_cflags -Wundef
5546 check_cflags -Wmissing-prototypes
5547 check_cflags -Wno-pointer-to-int-cast
5548 check_cflags -Wstrict-prototypes
5549 check_cflags -Wempty-body
5550 enabled extra_warnings && check_cflags -Winline
5552 check_disable_warning(){
5553 warning_flag=-W${1#-Wno-}
5554 test_cflags $warning_flag && add_cflags $1
5557 check_disable_warning -Wno-parentheses
5558 check_disable_warning -Wno-switch
5559 check_disable_warning -Wno-format-zero-length
5560 check_disable_warning -Wno-pointer-sign
5562 # add some linker flags
5563 check_ldflags -Wl,--warn-common
5564 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
5565 enabled rpath && add_ldexeflags -Wl,-rpath,$libdir
5566 enabled rpath && add_ldlibflags -Wl,-rpath,$libdir
5567 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
5569 # add some strip flags
5570 # -wN '..@*' is more selective than -x, but not available everywhere.
5571 check_stripflags -wN \'..@*\' || check_stripflags -x
5573 enabled neon_clobber_test &&
5574 check_ldflags -Wl,--wrap,avcodec_open2 \
5575 -Wl,--wrap,avcodec_decode_audio4 \
5576 -Wl,--wrap,avcodec_decode_video2 \
5577 -Wl,--wrap,avcodec_decode_subtitle2 \
5578 -Wl,--wrap,avcodec_encode_audio2 \
5579 -Wl,--wrap,avcodec_encode_video2 \
5580 -Wl,--wrap,avcodec_encode_subtitle \
5581 -Wl,--wrap,swr_convert \
5582 -Wl,--wrap,avresample_convert ||
5583 disable neon_clobber_test
5585 enabled xmm_clobber_test &&
5586 check_ldflags -Wl,--wrap,avcodec_open2 \
5587 -Wl,--wrap,avcodec_decode_audio4 \
5588 -Wl,--wrap,avcodec_decode_video2 \
5589 -Wl,--wrap,avcodec_decode_subtitle2 \
5590 -Wl,--wrap,avcodec_encode_audio2 \
5591 -Wl,--wrap,avcodec_encode_video2 \
5592 -Wl,--wrap,avcodec_encode_subtitle \
5593 -Wl,--wrap,swr_convert \
5594 -Wl,--wrap,avresample_convert \
5595 -Wl,--wrap,sws_scale ||
5596 disable xmm_clobber_test
5599 if test_ldflags -Wl,--version-script,$TMPV; then
5600 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
5601 check_cc <<EOF && enable symver_asm_label
5602 void ff_foo(void) __asm__ ("av_foo@VERSION");
5603 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
5605 check_cc <<EOF && enable symver_gnu_asm
5606 __asm__(".symver ff_foo,av_foo@VERSION");
5607 void ff_foo(void) {}
5611 if [ -z "$optflags" ]; then
5612 if enabled small; then
5613 optflags=$cflags_size
5614 elif enabled optimizations; then
5615 optflags=$cflags_speed
5617 optflags=$cflags_noopt
5623 enabled lto && check_ldflags "$@"
5627 if enabled lto; then
5628 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
5630 check_ldflags -flto $cpuflags
5631 disable inline_asm_direct_symbol_refs
5634 check_optflags $optflags
5635 check_optflags -fno-math-errno
5636 check_optflags -fno-signed-zeros
5638 enabled ftrapv && check_cflags -ftrapv
5640 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
5645 if enabled icc; then
5646 # Just warnings, no remarks
5648 # -wd: Disable following warnings
5649 # 144, 167, 556: -Wno-pointer-sign
5650 # 188: enumerated type mixed with another type
5651 # 1292: attribute "foo" ignored
5652 # 1419: external declaration in primary source file
5653 # 10006: ignoring unknown option -fno-signed-zeros
5654 # 10148: ignoring unknown option -Wno-parentheses
5655 # 10156: ignoring option '-W'; no argument required
5656 # 13200: No EMMS instruction before call to function
5657 # 13203: No EMMS instruction before return from function
5658 check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156,13200,13203
5659 # 11030: Warning unknown option --as-needed
5660 # 10156: ignoring option '-export'; no argument required
5661 check_ldflags -wd10156,11030
5662 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
5663 enable ebp_available
5664 # The test above does not test linking
5665 enabled lto && disable symver_asm_label
5666 if enabled x86_32; then
5667 icc_version=$($cc -dumpversion)
5668 test ${icc_version%%.*} -ge 11 &&
5669 check_cflags -falign-stack=maintain-16-byte ||
5670 disable aligned_stack
5672 elif enabled ccc; then
5673 # disable some annoying warnings
5674 add_cflags -msg_disable bitnotint
5675 add_cflags -msg_disable mixfuncvoid
5676 add_cflags -msg_disable nonstandcast
5677 add_cflags -msg_disable unsupieee
5678 elif enabled gcc; then
5679 check_optflags -fno-tree-vectorize
5680 check_cflags -Werror=format-security
5681 check_cflags -Werror=implicit-function-declaration
5682 check_cflags -Werror=missing-prototypes
5683 check_cflags -Werror=return-type
5684 check_cflags -Werror=vla
5685 check_cflags -Wformat
5686 check_cflags -fdiagnostics-color=auto
5687 enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized
5688 elif enabled llvm_gcc; then
5689 check_cflags -mllvm -stack-alignment=16
5690 elif enabled clang; then
5691 check_cflags -mllvm -stack-alignment=16
5692 check_cflags -Qunused-arguments
5693 check_cflags -Werror=implicit-function-declaration
5694 check_cflags -Werror=missing-prototypes
5695 check_cflags -Werror=return-type
5696 elif enabled cparser; then
5697 add_cflags -Wno-missing-variable-declarations
5698 add_cflags -Wno-empty-statement
5699 elif enabled armcc; then
5700 add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat
5701 add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir
5702 # 2523: use of inline assembly is deprecated
5703 add_cflags -W${armcc_opt},--diag_suppress=2523
5704 add_cflags -W${armcc_opt},--diag_suppress=1207
5705 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
5706 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
5707 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
5708 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
5709 elif enabled tms470; then
5710 add_cflags -pds=824 -pds=837
5712 elif enabled pathscale; then
5713 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
5714 elif enabled_any msvc icl; then
5715 enabled x86_32 && disable aligned_stack
5716 enabled_all x86_32 debug && add_cflags -Oy-
5717 enabled debug && add_ldflags -debug
5718 enable pragma_deprecated
5719 if enabled icl; then
5720 # -Qansi-alias is basically -fstrict-aliasing, but does not work
5721 # (correctly) on icl 13.x.
5722 check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&
5723 add_cflags -Qansi-alias
5724 # Some inline asm is not compilable in debug
5725 if enabled debug; then
5726 disable ebp_available
5727 disable ebx_available
5730 # msvcrt10 x64 incorrectly enables log2, only msvcrt12 (MSVC 2013) onwards actually has log2.
5731 check_cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION >= 12" || disable log2
5732 # The CRT headers contain __declspec(restrict) in a few places, but if redefining
5733 # restrict, this might break. MSVC 2010 and 2012 fail with __declspec(__restrict)
5734 # (as it ends up if the restrict redefine is done before including stdlib.h), while
5735 # MSVC 2013 and newer can handle it fine.
5736 # If this declspec fails, force including stdlib.h before the restrict redefinition
5737 # happens in config.h.
5738 if [ $_restrict != restrict ]; then
5739 check_cc <<EOF || add_cflags -FIstdlib.h
5740 __declspec($_restrict) void* foo(int);
5743 check_func strtoll || add_cflags -Dstrtoll=_strtoi64
5746 for pfx in "" host_; do
5747 varname=${pfx%_}cc_type
5748 eval "type=\$$varname"
5749 if [ $type = "msvc" ]; then
5750 check_${pfx}cc <<EOF || add_${pfx}cflags -Dinline=__inline
5751 static inline int foo(int a) { return a; }
5758 add_asflags -Qunused-arguments
5764 check_ldflags -Qunused-arguments
5770 enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'
5773 add_cppflags -Dmain=plan9_main
5777 enable frame_thread_encoder
5779 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
5781 check_deps $CONFIG_LIST \
5786 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"
5789 if test $target_os = "haiku"; then
5791 disable posix_memalign
5794 enabled_all dxva2 dxva2api_cobj CoTaskMemFree &&
5795 prepend ffmpeg_libs $($ldflags_filter "-lole32" "-luser32") &&
5798 ! enabled_any memalign posix_memalign aligned_malloc &&
5799 enabled simd_align_16 && enable memalign_hack
5802 # -> enable ${lib}_deps_${dep}
5803 # -> add $dep to ${lib}_deps only once
5807 enabled "${lib}_deps_${dep}" && return 0
5808 enable "${lib}_deps_${dep}"
5809 prepend "${lib}_deps" $dep
5812 # merge deps lib components
5813 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
5818 enabled $comp || continue
5819 eval "dep=\"\$${comp}_deps\""
5826 merge_deps libavfilter $FILTER_LIST
5828 map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST
5830 for thread in $THREADS_LIST; do
5831 if enabled $thread; then
5832 test -n "$thread_type" &&
5833 die "ERROR: Only one thread type must be selected." ||
5834 thread_type="$thread"
5838 enabled zlib && add_cppflags -DZLIB_CONST
5840 # conditional library dependencies, in linking order
5841 enabled amovie_filter && prepend avfilter_deps "avformat avcodec"
5842 enabled aresample_filter && prepend avfilter_deps "swresample"
5843 enabled asyncts_filter && prepend avfilter_deps "avresample"
5844 enabled atempo_filter && prepend avfilter_deps "avcodec"
5845 enabled cover_rect_filter && prepend avfilter_deps "avformat avcodec"
5846 enabled ebur128_filter && enabled swresample && prepend avfilter_deps "swresample"
5847 enabled elbg_filter && prepend avfilter_deps "avcodec"
5848 enabled fftfilt_filter && prepend avfilter_deps "avcodec"
5849 enabled find_rect_filter && prepend avfilter_deps "avformat avcodec"
5850 enabled mcdeint_filter && prepend avfilter_deps "avcodec"
5851 enabled movie_filter && prepend avfilter_deps "avformat avcodec"
5852 enabled pan_filter && prepend avfilter_deps "swresample"
5853 enabled pp_filter && prepend avfilter_deps "postproc"
5854 enabled removelogo_filter && prepend avfilter_deps "avformat avcodec swscale"
5855 enabled resample_filter && prepend avfilter_deps "avresample"
5856 enabled sab_filter && prepend avfilter_deps "swscale"
5857 enabled scale_filter && prepend avfilter_deps "swscale"
5858 enabled scale2ref_filter && prepend avfilter_deps "swscale"
5859 enabled showspectrum_filter && prepend avfilter_deps "avcodec"
5860 enabled smartblur_filter && prepend avfilter_deps "swscale"
5861 enabled subtitles_filter && prepend avfilter_deps "avformat avcodec"
5862 enabled uspp_filter && prepend avfilter_deps "avcodec"
5864 enabled lavfi_indev && prepend avdevice_deps "avfilter"
5866 enabled opus_decoder && prepend avcodec_deps "swresample"
5870 eval "deps=\$$lib_deps"
5871 append $lib_deps $(map 'eval echo \$${v}_deps' $deps)
5875 #we have to remove gpl from the deps here as some code assumes all lib deps are libs
5876 postproc_deps="$(filter_out 'gpl' $postproc_deps)"
5878 map 'expand_deps $v' $LIBRARY_LIST
5880 echo "install prefix $prefix"
5881 echo "source path $source_path"
5882 echo "C compiler $cc"
5883 echo "C library $libc_type"
5884 if test "$host_cc" != "$cc"; then
5885 echo "host C compiler $host_cc"
5886 echo "host C library $host_libc_type"
5888 echo "ARCH $arch ($cpu)"
5889 if test "$build_suffix" != ""; then
5890 echo "build suffix $build_suffix"
5892 if test "$progs_suffix" != ""; then
5893 echo "progs suffix $progs_suffix"
5895 if test "$extra_version" != ""; then
5896 echo "version string suffix $extra_version"
5898 echo "big-endian ${bigendian-no}"
5899 echo "runtime cpu detection ${runtime_cpudetect-no}"
5900 if enabled x86; then
5901 echo "${yasmexe} ${yasm-no}"
5902 echo "MMX enabled ${mmx-no}"
5903 echo "MMXEXT enabled ${mmxext-no}"
5904 echo "3DNow! enabled ${amd3dnow-no}"
5905 echo "3DNow! extended enabled ${amd3dnowext-no}"
5906 echo "SSE enabled ${sse-no}"
5907 echo "SSSE3 enabled ${ssse3-no}"
5908 echo "AVX enabled ${avx-no}"
5909 echo "XOP enabled ${xop-no}"
5910 echo "FMA3 enabled ${fma3-no}"
5911 echo "FMA4 enabled ${fma4-no}"
5912 echo "i686 features enabled ${i686-no}"
5913 echo "CMOV is fast ${fast_cmov-no}"
5914 echo "EBX available ${ebx_available-no}"
5915 echo "EBP available ${ebp_available-no}"
5917 if enabled aarch64; then
5918 echo "NEON enabled ${neon-no}"
5919 echo "VFP enabled ${vfp-no}"
5921 if enabled arm; then
5922 echo "ARMv5TE enabled ${armv5te-no}"
5923 echo "ARMv6 enabled ${armv6-no}"
5924 echo "ARMv6T2 enabled ${armv6t2-no}"
5925 echo "VFP enabled ${vfp-no}"
5926 echo "NEON enabled ${neon-no}"
5927 echo "THUMB enabled ${thumb-no}"
5929 if enabled mips; then
5930 echo "MIPS FPU enabled ${mipsfpu-no}"
5931 echo "MIPS32R5 enabled ${mips32r5-no}"
5932 echo "MIPS64R6 enabled ${mips64r6-no}"
5933 echo "MIPS DSP R1 enabled ${mipsdspr1-no}"
5934 echo "MIPS DSP R2 enabled ${mipsdspr2-no}"
5935 echo "MIPS MSA enabled ${msa-no}"
5936 echo "LOONGSON MMI enabled ${mmi-no}"
5938 if enabled ppc; then
5939 echo "AltiVec enabled ${altivec-no}"
5940 echo "VSX enabled ${vsx-no}"
5941 echo "POWER8 enabled ${power8-no}"
5942 echo "PPC 4xx optimizations ${ppc4xx-no}"
5943 echo "dcbzl available ${dcbzl-no}"
5945 echo "debug symbols ${debug-no}"
5946 echo "strip symbols ${stripping-no}"
5947 echo "optimize for size ${small-no}"
5948 echo "optimizations ${optimizations-no}"
5949 echo "static ${static-no}"
5950 echo "shared ${shared-no}"
5951 echo "postprocessing support ${postproc-no}"
5952 echo "new filter support ${avfilter-no}"
5953 echo "network support ${network-no}"
5954 echo "threading support ${thread_type-no}"
5955 echo "safe bitstream reader ${safe_bitstream_reader-no}"
5956 echo "SDL support ${sdl-no}"
5957 echo "opencl enabled ${opencl-no}"
5958 echo "texi2html enabled ${texi2html-no}"
5959 echo "perl enabled ${perl-no}"
5960 echo "pod2man enabled ${pod2man-no}"
5961 echo "makeinfo enabled ${makeinfo-no}"
5962 echo "makeinfo supports HTML ${makeinfo_html-no}"
5963 test -n "$random_seed" &&
5964 echo "random seed ${random_seed}"
5967 echo "Enabled programs:"
5968 print_enabled '' $PROGRAM_LIST | print_3_columns
5971 echo "External libraries:"
5972 print_enabled '' $EXTERNAL_LIBRARY_LIST | print_3_columns
5975 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
5976 echo "Enabled ${type}s:"
5977 eval list=\$$(toupper $type)_LIST
5978 print_enabled '_*' $list | print_3_columns
5982 license="LGPL version 2.1 or later"
5983 if enabled nonfree; then
5984 license="nonfree and unredistributable"
5985 elif enabled gplv3; then
5986 license="GPL version 3 or later"
5987 elif enabled lgplv3; then
5988 license="LGPL version 3 or later"
5989 elif enabled gpl; then
5990 license="GPL version 2 or later"
5993 echo "License: $license"
5995 echo "Creating config.mak, config.h, and doc/config.texi..."
5997 test -e Makefile || echo "include $source_path/Makefile" > Makefile
5999 enabled stripping || strip="echo skipping strip"
6001 config_files="$TMPH config.mak doc/config.texi"
6003 cat > config.mak <<EOF
6004 # Automatically generated by configure - do not modify!
6005 ifndef FFMPEG_CONFIG_MAK
6007 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
6009 LIBDIR=\$(DESTDIR)$libdir
6010 SHLIBDIR=\$(DESTDIR)$shlibdir
6011 INCDIR=\$(DESTDIR)$incdir
6012 BINDIR=\$(DESTDIR)$bindir
6013 DATADIR=\$(DESTDIR)$datadir
6014 DOCDIR=\$(DESTDIR)$docdir
6015 MANDIR=\$(DESTDIR)$mandir
6016 PKGCONFIGDIR=\$(DESTDIR)$pkgconfigdir
6017 SRC_PATH=$source_path
6018 ifndef MAIN_MAKEFILE
6019 SRC_PATH:=\$(SRC_PATH:.%=..%)
6023 INTRINSICS=$intrinsics
6029 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
6031 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
6060 LDEXEFLAGS=$LDEXEFLAGS
6061 LDLIBFLAGS=$LDLIBFLAGS
6062 SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
6063 ASMSTRIPFLAGS=$ASMSTRIPFLAGS
6064 YASMFLAGS=$YASMFLAGS
6065 BUILDSUF=$build_suffix
6066 PROGSSUF=$progs_suffix
6074 EXTRA_VERSION=$extra_version
6077 CCDEP_FLAGS=$CCDEP_FLAGS
6079 ASDEP_FLAGS=$ASDEP_FLAGS
6080 CC_DEPFLAGS=$CC_DEPFLAGS
6081 AS_DEPFLAGS=$AS_DEPFLAGS
6084 HOSTCFLAGS=$host_cflags
6085 HOSTCPPFLAGS=$host_cppflags
6086 HOSTEXESUF=$HOSTEXESUF
6087 HOSTLDFLAGS=$host_ldflags
6090 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
6091 HOSTCCDEP=$HOSTCCDEP
6092 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
6093 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
6097 TARGET_EXEC=$target_exec $target_exec_args
6098 TARGET_PATH=$target_path
6099 TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}
6100 CFLAGS-ffplay=$sdl_cflags
6101 ZLIB=$($ldflags_filter -lz)
6102 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
6103 EXTRALIBS=$extralibs
6104 COMPAT_OBJS=$compat_objs
6107 LIBTARGET=${LIBTARGET}
6108 SLIBNAME=${SLIBNAME}
6109 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
6110 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
6111 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
6112 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
6113 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
6114 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
6115 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
6116 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
6117 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
6118 NOREDZONE_FLAGS=$noredzone_flags
6123 name=$(toupper $lcname)
6124 file=$source_path/$lcname/version.h
6125 eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")
6126 enabled raise_major && eval ${name}_VERSION_MAJOR=$((${name}_VERSION_MAJOR+100))
6127 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
6128 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
6129 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
6130 eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak
6133 map 'get_version $v' $LIBRARY_LIST
6135 map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> config.mak' $LIBRARY_LIST
6137 print_program_libs(){
6138 eval "program_libs=\$${1}_libs"
6139 eval echo "LIBS-${1}=${program_libs}" >> config.mak
6142 map 'print_program_libs $v' $PROGRAM_LIST
6145 /* Automatically generated by configure - do not modify! */
6146 #ifndef FFMPEG_CONFIG_H
6147 #define FFMPEG_CONFIG_H
6148 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
6149 #define FFMPEG_LICENSE "$(c_escape $license)"
6150 #define CONFIG_THIS_YEAR 2015
6151 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
6152 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
6153 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
6154 #define av_restrict $_restrict
6155 #define EXTERN_PREFIX "${extern_prefix}"
6156 #define EXTERN_ASM ${extern_prefix}
6157 #define BUILDSUF "$build_suffix"
6158 #define SLIBSUF "$SLIBSUF"
6159 #define HAVE_MMX2 HAVE_MMXEXT
6160 #define SWS_MAX_FILTER_SIZE $sws_max_filter_size
6163 test -n "$assert_level" &&
6164 echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
6166 test -n "$malloc_prefix" &&
6167 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
6169 if enabled yasm; then
6170 append config_files $TMPASM
6174 enabled getenv || echo "#define getenv(x) NULL" >> $TMPH
6180 echo "@c auto-generated by configure" > doc/config.texi
6182 print_config ARCH_ "$config_files" $ARCH_LIST
6183 print_config HAVE_ "$config_files" $HAVE_LIST
6184 print_config CONFIG_ "$config_files" $CONFIG_LIST \
6188 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
6189 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
6191 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
6192 cp_if_changed $TMPH config.h
6195 enabled yasm && cp_if_changed $TMPASM config.asm
6198 /* Generated by ffconf */
6199 #ifndef AVUTIL_AVCONFIG_H
6200 #define AVUTIL_AVCONFIG_H
6203 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
6205 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
6207 cp_if_changed $TMPH libavutil/avconfig.h
6209 if test -n "$WARNINGS"; then
6210 printf "\n%s%s$WARNINGS%s" "$warn_color" "$bold_color" "$reset_color"
6211 enabled fatal_warnings && exit 1
6214 # build pkg-config files
6217 eval printf "\"lib${1}${build_suffix} >= \$LIB$(toupper ${1})_VERSION, \""
6220 pkgconfig_generate(){
6222 shortname=${name#lib}${build_suffix}
6226 requires=$(map 'lib_version $v' $(eval echo \$${name#lib}_deps))
6227 requires=${requires%, }
6228 enabled ${name#lib} || return 0
6230 cat <<EOF > $name/$name${build_suffix}.pc
6232 exec_prefix=\${prefix}
6237 Description: $comment
6239 Requires: $(enabled shared || echo $requires)
6240 Requires.private: $(enabled shared && echo $requires)
6242 Libs: -L\${libdir} $(enabled rpath && echo "-Wl,-rpath,\${libdir}") -l${shortname} $(enabled shared || echo $libs)
6243 Libs.private: $(enabled shared && echo $libs)
6244 Cflags: -I\${includedir}
6247 mkdir -p doc/examples/pc-uninstalled
6248 includedir=${source_path}
6249 [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."
6250 cat <<EOF > doc/examples/pc-uninstalled/$name.pc
6253 libdir=\${pcfiledir}/../../../$name
6254 includedir=${includedir}
6257 Description: $comment
6261 Libs: -L\${libdir} -Wl,-rpath,\${libdir} -l${shortname} $(enabled shared || echo $libs)
6262 Cflags: -I\${includedir}
6266 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBRT $LIBM"
6267 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs"
6268 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs"
6269 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs"
6270 pkgconfig_generate libavfilter "FFmpeg audio/video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
6271 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" ""
6272 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$LIBM"
6273 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM"
6274 pkgconfig_generate libswresample "FFmpeg audio resampling library" "$LIBSWRESAMPLE_VERSION" "$LIBM $LIBSOXR"