3 # FFmpeg configure script
5 # Copyright (c) 2000-2002 Fabrice Bellard
6 # Copyright (c) 2005-2008 Diego Biurrun
7 # Copyright (c) 2005-2008 Mans Rullgard
10 # Prevent locale nonsense from breaking basic text processing.
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
18 echo "Trying shell $1"
19 type "$1" > /dev/null 2>&1 && exec "$@"
23 (: ${foo%%bar}) 2> /dev/null
26 (: ${foo?}) 2> /dev/null
29 if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
32 if test "0$FF_CONF_EXEC" -lt 1; then
34 try_exec bash "$0" "$@"
36 if test "0$FF_CONF_EXEC" -lt 2; then
38 try_exec ksh "$0" "$@"
40 if test "0$FF_CONF_EXEC" -lt 3; then
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
44 echo "No compatible shell script interpreter found."
45 echo "This configure script requires a POSIX-compatible shell"
46 echo "such as bash or ksh."
47 echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken FFmpeg."
50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
57 test -d /usr/xpg4/bin && PATH=/usr/xpg4/bin:$PATH
61 Usage: configure [options]
62 Options: [defaults in brackets after descriptions]
65 --help print this message
66 --list-decoders show all available decoders
67 --list-encoders show all available encoders
68 --list-hwaccels show all available hardware accelerators
69 --list-demuxers show all available demuxers
70 --list-muxers show all available muxers
71 --list-parsers show all available parsers
72 --list-protocols show all available protocols
73 --list-bsfs show all available bitstream filters
74 --list-indevs show all available input devices
75 --list-outdevs show all available output devices
76 --list-filters show all available filters
79 --logfile=FILE log tests and output to FILE [config.log]
80 --disable-logging do not log configure debug information
81 --fatal-warnings fail if any configure warning is generated
82 --prefix=PREFIX install in PREFIX [$prefix]
83 --bindir=DIR install binaries in DIR [PREFIX/bin]
84 --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg]
85 --docdir=DIR install documentation in DIR [PREFIX/share/doc/ffmpeg]
86 --libdir=DIR install libs in DIR [PREFIX/lib]
87 --shlibdir=DIR install shared libs in DIR [LIBDIR]
88 --incdir=DIR install includes in DIR [PREFIX/include]
89 --mandir=DIR install man page in DIR [PREFIX/share/man]
90 --pkgconfigdir=DIR install pkg-config files in DIR [LIBDIR/pkgconfig]
91 --enable-rpath use rpath to allow installing libraries in paths
92 not part of the dynamic linker search path
93 use rpath when linking programs [USE WITH CARE]
96 --enable-gpl allow use of GPL code, the resulting libs
97 and binaries will be under GPL [no]
98 --enable-version3 upgrade (L)GPL to version 3 [no]
99 --enable-nonfree allow use of nonfree code, the resulting libs
100 and binaries will be unredistributable [no]
102 Configuration options:
103 --disable-static do not build static libraries [no]
104 --enable-shared build shared libraries [no]
105 --enable-small optimize for size instead of speed
106 --disable-runtime-cpudetect disable detecting cpu capabilities at runtime (smaller binary)
107 --enable-gray enable full grayscale support (slower color)
108 --disable-swscale-alpha disable alpha channel support in swscale
109 --disable-all disable building components, libraries and programs
110 --enable-incompatible-libav-abi enable incompatible Libav fork ABI [no]
111 --enable-raise-major increase major version numbers in sonames [no]
114 --disable-programs do not build command line programs
115 --disable-ffmpeg disable ffmpeg build
116 --disable-ffplay disable ffplay build
117 --disable-ffprobe disable ffprobe build
118 --disable-ffserver disable ffserver build
120 Documentation options:
121 --disable-doc do not build documentation
122 --disable-htmlpages do not build HTML documentation pages
123 --disable-manpages do not build man documentation pages
124 --disable-podpages do not build POD documentation pages
125 --disable-txtpages do not build text documentation pages
128 --disable-avdevice disable libavdevice build
129 --disable-avcodec disable libavcodec build
130 --disable-avformat disable libavformat build
131 --disable-swresample disable libswresample build
132 --disable-swscale disable libswscale build
133 --disable-postproc disable libpostproc build
134 --disable-avfilter disable libavfilter build
135 --enable-avresample enable libavresample build [no]
136 --disable-pthreads disable pthreads [autodetect]
137 --disable-w32threads disable Win32 threads [autodetect]
138 --disable-os2threads disable OS/2 threads [autodetect]
139 --disable-network disable network support [no]
140 --disable-dct disable DCT code
141 --disable-dwt disable DWT code
142 --disable-error-resilience disable error resilience code
143 --disable-lsp disable LSP code
144 --disable-lzo disable LZO decoder code
145 --disable-mdct disable MDCT code
146 --disable-rdft disable RDFT code
147 --disable-fft disable FFT code
148 --disable-faan disable floating point AAN (I)DCT code
149 --disable-pixelutils disable pixel utils in libavutil
151 Hardware accelerators:
152 --disable-d3d11va disable D3D11VA code [autodetect]
153 --disable-dxva2 disable DXVA2 code [autodetect]
154 --disable-vaapi disable VAAPI code [autodetect]
155 --disable-vda disable VDA code [autodetect]
156 --disable-vdpau disable VDPAU code [autodetect]
157 --enable-videotoolbox enable VideoToolbox code [autodetect]
159 Individual component options:
160 --disable-everything disable all components listed below
161 --disable-encoder=NAME disable encoder NAME
162 --enable-encoder=NAME enable encoder NAME
163 --disable-encoders disable all encoders
164 --disable-decoder=NAME disable decoder NAME
165 --enable-decoder=NAME enable decoder NAME
166 --disable-decoders disable all decoders
167 --disable-hwaccel=NAME disable hwaccel NAME
168 --enable-hwaccel=NAME enable hwaccel NAME
169 --disable-hwaccels disable all hwaccels
170 --disable-muxer=NAME disable muxer NAME
171 --enable-muxer=NAME enable muxer NAME
172 --disable-muxers disable all muxers
173 --disable-demuxer=NAME disable demuxer NAME
174 --enable-demuxer=NAME enable demuxer NAME
175 --disable-demuxers disable all demuxers
176 --enable-parser=NAME enable parser NAME
177 --disable-parser=NAME disable parser NAME
178 --disable-parsers disable all parsers
179 --enable-bsf=NAME enable bitstream filter NAME
180 --disable-bsf=NAME disable bitstream filter NAME
181 --disable-bsfs disable all bitstream filters
182 --enable-protocol=NAME enable protocol NAME
183 --disable-protocol=NAME disable protocol NAME
184 --disable-protocols disable all protocols
185 --enable-indev=NAME enable input device NAME
186 --disable-indev=NAME disable input device NAME
187 --disable-indevs disable input devices
188 --enable-outdev=NAME enable output device NAME
189 --disable-outdev=NAME disable output device NAME
190 --disable-outdevs disable output devices
191 --disable-devices disable all devices
192 --enable-filter=NAME enable filter NAME
193 --disable-filter=NAME disable filter NAME
194 --disable-filters disable all filters
196 External library support:
197 --enable-avisynth enable reading of AviSynth script files [no]
198 --disable-bzlib disable bzlib [autodetect]
199 --enable-chromaprint enable audio fingerprinting with chromaprint [no]
200 --enable-fontconfig enable fontconfig, useful for drawtext filter [no]
201 --enable-frei0r enable frei0r video filtering [no]
202 --enable-gcrypt enable gcrypt, needed for rtmp(t)e support
203 if openssl, librtmp or gmp is not used [no]
204 --enable-gmp enable gmp, needed for rtmp(t)e support
205 if openssl or librtmp is not used [no]
206 --enable-gnutls enable gnutls, needed for https support
207 if openssl is not used [no]
208 --disable-iconv disable iconv [autodetect]
209 --enable-ladspa enable LADSPA audio filtering [no]
210 --enable-libass enable libass subtitles rendering,
211 needed for subtitles and ass filter [no]
212 --enable-libbluray enable BluRay reading using libbluray [no]
213 --enable-libbs2b enable bs2b DSP library [no]
214 --enable-libcaca enable textual display using libcaca [no]
215 --enable-libcelt enable CELT decoding via libcelt [no]
216 --enable-libcdio enable audio CD grabbing with libcdio [no]
217 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
219 --enable-libdcadec enable DCA decoding via libdcadec [no]
220 --enable-libfaac enable AAC encoding via libfaac [no]
221 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
222 --enable-libflite enable flite (voice synthesis) support via libflite [no]
223 --enable-libfreetype enable libfreetype, needed for drawtext filter [no]
224 --enable-libfribidi enable libfribidi, improves drawtext filter [no]
225 --enable-libgme enable Game Music Emu via libgme [no]
226 --enable-libgsm enable GSM de/encoding via libgsm [no]
227 --enable-libiec61883 enable iec61883 via libiec61883 [no]
228 --enable-libilbc enable iLBC de/encoding via libilbc [no]
229 --enable-libkvazaar enable HEVC encoding via libkvazaar [no]
230 --enable-libmfx enable HW acceleration through libmfx
231 --enable-libmodplug enable ModPlug via libmodplug [no]
232 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
233 --enable-libnut enable NUT (de)muxing via libnut,
234 native (de)muxer exists [no]
235 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
236 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
237 --enable-libopencv enable video filtering via libopencv [no]
238 --enable-libopenh264 enable H.264 encoding via OpenH264 [no]
239 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
240 --enable-libopus enable Opus de/encoding via libopus [no]
241 --enable-libpulse enable Pulseaudio input via libpulse [no]
242 --enable-librubberband enable rubberband needed for rubberband filter [no]
243 --enable-librtmp enable RTMP[E] support via librtmp [no]
244 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
245 --enable-libshine enable fixed-point MP3 encoding via libshine [no]
246 --enable-libsmbclient enable Samba protocol via libsmbclient [no]
247 --enable-libsnappy enable Snappy compression, needed for hap encoding [no]
248 --enable-libsoxr enable Include libsoxr resampling [no]
249 --enable-libspeex enable Speex de/encoding via libspeex [no]
250 --enable-libssh enable SFTP protocol via libssh [no]
251 --enable-libtesseract enable Tesseract, needed for ocr filter [no]
252 --enable-libtheora enable Theora encoding via libtheora [no]
253 --enable-libtwolame enable MP2 encoding via libtwolame [no]
254 --enable-libutvideo enable Ut Video encoding and decoding via libutvideo [no]
255 --enable-libv4l2 enable libv4l2/v4l-utils [no]
256 --enable-libvidstab enable video stabilization using vid.stab [no]
257 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
258 --enable-libvorbis enable Vorbis en/decoding via libvorbis,
259 native implementation exists [no]
260 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
261 --enable-libwavpack enable wavpack encoding via libwavpack [no]
262 --enable-libwebp enable WebP encoding via libwebp [no]
263 --enable-libx264 enable H.264 encoding via x264 [no]
264 --enable-libx265 enable HEVC encoding via x265 [no]
265 --enable-libxavs enable AVS encoding via xavs [no]
266 --enable-libxcb enable X11 grabbing using XCB [autodetect]
267 --enable-libxcb-shm enable X11 grabbing shm communication [autodetect]
268 --enable-libxcb-xfixes enable X11 grabbing mouse rendering [autodetect]
269 --enable-libxcb-shape enable X11 grabbing shape rendering [autodetect]
270 --enable-libxvid enable Xvid encoding via xvidcore,
271 native MPEG-4/Xvid encoder exists [no]
272 --enable-libzimg enable z.lib, needed for zscale filter [no]
273 --enable-libzmq enable message passing via libzmq [no]
274 --enable-libzvbi enable teletext support via libzvbi [no]
275 --disable-lzma disable lzma [autodetect]
276 --enable-decklink enable Blackmagic DeckLink I/O support [no]
277 --enable-mmal enable decoding via MMAL [no]
278 --enable-netcdf enable NetCDF, needed for sofalizer filter [no]
279 --enable-nvenc enable NVIDIA NVENC support [no]
280 --enable-openal enable OpenAL 1.1 capture support [no]
281 --enable-opencl enable OpenCL code
282 --enable-opengl enable OpenGL rendering [no]
283 --enable-openssl enable openssl, needed for https support
284 if gnutls is not used [no]
285 --disable-schannel disable SChannel SSP, needed for TLS support on
286 Windows if openssl and gnutls are not used [autodetect]
287 --disable-sdl disable sdl [autodetect]
288 --disable-securetransport disable Secure Transport, needed for TLS support
289 on OSX if openssl and gnutls are not used [autodetect]
290 --enable-x11grab enable X11 grabbing (legacy) [no]
291 --disable-xlib disable xlib [autodetect]
292 --disable-zlib disable zlib [autodetect]
295 --arch=ARCH select architecture [$arch]
296 --cpu=CPU select the minimum required CPU (affects
297 instruction selection, may crash on older CPUs)
298 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
299 --progs-suffix=SUFFIX program name suffix []
300 --enable-cross-compile assume a cross-compiler is used
301 --sysroot=PATH root of cross-build tree
302 --sysinclude=PATH location of cross-build system headers
303 --target-os=OS compiler targets OS [$target_os]
304 --target-exec=CMD command to run executables on target
305 --target-path=DIR path to view of build directory on target
306 --target-samples=DIR path to samples directory on target
307 --tempprefix=PATH force fixed dir/prefix instead of mktemp for checks
308 --toolchain=NAME set tool defaults according to NAME
309 --nm=NM use nm tool NM [$nm_default]
310 --ar=AR use archive tool AR [$ar_default]
311 --as=AS use assembler AS [$as_default]
312 --windres=WINDRES use windows resource compiler WINDRES [$windres_default]
313 --yasmexe=EXE use yasm-compatible assembler EXE [$yasmexe_default]
314 --cc=CC use C compiler CC [$cc_default]
315 --cxx=CXX use C compiler CXX [$cxx_default]
316 --objcc=OCC use ObjC compiler OCC [$cc_default]
317 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
318 --ld=LD use linker LD [$ld_default]
319 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
320 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
321 --ranlib=RANLIB use ranlib RANLIB [$ranlib_default]
322 --doxygen=DOXYGEN use DOXYGEN to generate API doc [$doxygen_default]
323 --host-cc=HOSTCC use host C compiler HOSTCC
324 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
325 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
326 --host-ld=HOSTLD use host linker HOSTLD
327 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
328 --host-libs=HLIBS use libs HLIBS when linking for host
329 --host-os=OS compiler host OS [$target_os]
330 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
331 --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
332 --extra-objcflags=FLAGS add FLAGS to OBJCFLAGS [$CFLAGS]
333 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
334 --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
335 --extra-ldlibflags=ELDFLAGS add ELDFLAGS to LDLIBFLAGS [$LDLIBFLAGS]
336 --extra-libs=ELIBS add ELIBS [$ELIBS]
337 --extra-version=STRING version string suffix []
338 --optflags=OPTFLAGS override optimization-related compiler flags
339 --build-suffix=SUFFIX library name suffix []
340 --enable-pic build position-independent code
341 --enable-thumb compile for Thumb instruction set
342 --enable-lto use link-time optimization
343 --env="ENV=override" override the environment variables
345 Advanced options (experts only):
346 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
347 --custom-allocator=NAME use a supported custom allocator
348 --disable-symver disable symbol versioning
349 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
350 --disable-safe-bitstream-reader
351 disable buffer boundary checking in bitreaders
352 (faster, but may crash)
353 --enable-memalign-hack emulate memalign, interferes with memory debuggers
354 --sws-max-filter-size=N the max filter size swscale uses [$sws_max_filter_size_default]
356 Optimization options (experts only):
357 --disable-asm disable all assembly optimizations
358 --disable-altivec disable AltiVec optimizations
359 --disable-vsx disable VSX optimizations
360 --disable-power8 disable POWER8 optimizations
361 --disable-amd3dnow disable 3DNow! optimizations
362 --disable-amd3dnowext disable 3DNow! extended optimizations
363 --disable-mmx disable MMX optimizations
364 --disable-mmxext disable MMXEXT optimizations
365 --disable-sse disable SSE optimizations
366 --disable-sse2 disable SSE2 optimizations
367 --disable-sse3 disable SSE3 optimizations
368 --disable-ssse3 disable SSSE3 optimizations
369 --disable-sse4 disable SSE4 optimizations
370 --disable-sse42 disable SSE4.2 optimizations
371 --disable-avx disable AVX optimizations
372 --disable-xop disable XOP optimizations
373 --disable-fma3 disable FMA3 optimizations
374 --disable-fma4 disable FMA4 optimizations
375 --disable-avx2 disable AVX2 optimizations
376 --disable-aesni disable AESNI optimizations
377 --disable-armv5te disable armv5te optimizations
378 --disable-armv6 disable armv6 optimizations
379 --disable-armv6t2 disable armv6t2 optimizations
380 --disable-vfp disable VFP optimizations
381 --disable-neon disable NEON optimizations
382 --disable-inline-asm disable use of inline assembly
383 --disable-yasm disable use of nasm/yasm assembly
384 --disable-mipsdsp disable MIPS DSP ASE R1 optimizations
385 --disable-mipsdspr2 disable MIPS DSP ASE R2 optimizations
386 --disable-msa disable MSA optimizations
387 --disable-mipsfpu disable floating point MIPS optimizations
388 --disable-mmi disable Loongson SIMD optimizations
389 --disable-fast-unaligned consider unaligned accesses slow
391 Developer options (useful when working on FFmpeg itself):
392 --disable-debug disable debugging symbols
393 --enable-debug=LEVEL set the debug level [$debuglevel]
394 --disable-optimizations disable compiler optimizations
395 --enable-extra-warnings enable more compiler warnings
396 --disable-stripping disable stripping of executables and shared libraries
397 --assert-level=level 0(default), 1 or 2, amount of assertion testing,
398 2 causes a slowdown at runtime.
399 --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
400 --valgrind=VALGRIND run "make fate" tests through valgrind to detect memory
401 leaks and errors, using the specified valgrind binary.
402 Cannot be combined with --target-exec
403 --enable-ftrapv Trap arithmetic overflows
404 --samples=PATH location of test samples for FATE, if not set use
405 \$FATE_SAMPLES at make invocation time.
406 --enable-neon-clobber-test check NEON registers for clobbering (should be
407 used only for debugging purposes)
408 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
409 should be used only for debugging purposes)
410 --enable-random randomly enable/disable components
412 --enable-random=LIST randomly enable/disable specific components or
413 --disable-random=LIST component groups. LIST is a comma-separated list
414 of NAME[:PROB] entries where NAME is a component
415 (group) and PROB the probability associated with
417 --random-seed=VALUE seed value for --enable/disable-random
418 --disable-valgrind-backtrace do not print a backtrace under Valgrind
419 (only applies to --disable-optimizations builds)
421 NOTE: Object files are built at the place where configure is launched.
427 if test -t 1 && which tput >/dev/null 2>&1; then
428 ncolors=$(tput colors)
429 if test -n "$ncolors" && test $ncolors -ge 8; then
430 bold_color=$(tput bold)
431 warn_color=$(tput setaf 3)
432 error_color=$(tput setaf 1)
433 reset_color=$(tput sgr0)
435 # 72 used instead of 80 since that's the default of pr
441 echo "$@" >> $logfile
446 pr -n -t $1 >> $logfile
452 WARNINGS="${WARNINGS}WARNING: $*\n"
457 echo "$error_color$bold_color$@$reset_color"
460 If you think configure made a mistake, make sure you are using the latest
461 version from Git. If the latest version fails, report the problem to the
462 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
464 if disabled logging; then
466 Rerun configure with logging enabled (do not use --disable-logging), and
467 include the log this produces with your report.
471 Include the log file "$logfile" produced by configure as this will help
478 # Avoid locale weirdness, besides we really just want to translate ASCII.
480 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
484 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
488 echo "$*" | sed 's/["\\]/\\\0/g'
492 v=$(echo "$1" | sed "s/'/'\\\\''/g")
493 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
498 echo "$@" | sed 's/^ *//;s/[[:space:]][[:space:]]*/ /g;s/ *$//'
505 eval "case $v in $pat) echo $v ;; esac"
513 eval "case $v in $pat) ;; *) echo $v ;; esac"
520 for v; do eval $m; done
526 for v; do echo ${v}${suffix}; done
541 eval : \${$var:=$value}
546 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
552 eval $(sanitize_var_name "$var")='$*'
556 eval echo \$$(sanitize_var_name "$1")
561 eval level=\${${pvar}_level:=0}
562 eval ${pvar}_${level}="\$$pvar"
563 eval ${pvar}_level=$(($level+1))
569 eval level=\${${pvar}_level:-0}
570 test $level = 0 && continue
571 eval level=$(($level-1))
572 eval $pvar="\${${pvar}_${level}}"
573 eval ${pvar}_level=$level
574 eval unset ${pvar}_${level}
584 eval test "x\$${var#!}_requested" = "xyes" && die "${var%%_*} cannot be enabled"
603 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
609 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
615 enabled $var && continue
616 eval sel="\$${var}_select"
617 eval sgs="\$${var}_suggest"
621 enable_deep_weak $sgs
633 disabled $var && continue
641 do_enable_deep_force(){
643 enabled $var && continue
644 eval sel="\$${var}_deps\ \$${var}_deps_any\ \$${var}_select\ \$${var}_suggest\ \$${var}_select_any"
646 enable_deep_force $sel
652 do_enable_deep_force $*
654 is_in $var $ALL_COMPONENTS $COMPONENT_LIST $LIBRARY_LIST && enable $var
659 disable $* # force the refresh of the dependencies
661 enable ${var}_requested
668 test "${1#!}" = "$1" && op='=' || op=!=
669 eval test "x\$${1#!}" $op "xyes"
673 test "${1#!}" = "$1" && op='=' || op=!=
674 eval test "x\$${1#!}" $op "xno"
679 enabled $opt || return 1
685 disabled $opt || return 1
691 enabled $opt && return 0
697 disabled $opt && return 0
704 eval : \${$opt:=\$${opt}_default}
712 [ $var = $value ] && return 0
720 enabled ${cfg}_checking && die "Circular dependency for $cfg."
721 disabled ${cfg}_checking && continue
722 enable ${cfg}_checking
725 eval dep_all="\$${cfg}_deps"
726 eval dep_any="\$${cfg}_deps_any\ \$${cfg}_select_any"
727 eval dep_sel="\$${cfg}_select"
728 eval dep_sgs="\$${cfg}_suggest"
729 eval dep_ifa="\$${cfg}_if"
730 eval dep_ifn="\$${cfg}_if_any"
732 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
733 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
734 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
736 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
737 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
738 enabled_all $dep_all || disable $cfg
739 enabled_any $dep_any || disable $cfg
740 disabled_any $dep_sel && disable $cfg
742 if enabled $cfg; then
744 enable_deep_weak $dep_sgs
747 disable ${cfg}_checking
756 for cfg in $allopts; do
757 enabled $cfg || continue
758 eval dep_extralibs="\$${cfg}_extralibs"
759 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
767 map 'eval echo "$v \${$v:-no}"' "$@" |
768 awk "BEGIN { split(\"$files\", files) }
770 c = \"$pfx\" toupper(\$1);
776 if (file ~ /\\.h\$/) {
777 printf(\"#define %s %d\\n\", c, v) >>file;
778 } else if (file ~ /\\.asm\$/) {
779 printf(\"%%define %s %d\\n\", c, v) >>file;
780 } else if (file ~ /\\.mak\$/) {
781 n = -v ? \"\" : \"!\";
782 printf(\"%s%s=yes\\n\", n, c) >>file;
783 } else if (file ~ /\\.texi\$/) {
784 pre = -v ? \"\" : \"@c \";
787 gsub(/_/, \"-\", c2);
788 printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
798 enabled $v && printf "%s\n" ${v%$suf};
805 eval "$var=\"\$$var $*\""
811 eval "$var=\"$* \$$var\""
817 for tok in $(eval echo \$$var); do
818 uniq_list="$(filter_out $tok $uniq_list) $tok"
820 eval "$var=\"${uniq_list}\""
828 append CFLAGS $($cflags_filter "$@")
832 append CXXFLAGS $($cflags_filter "$@")
836 append ASFLAGS $($asflags_filter "$@")
840 append OBJCFLAGS $($objcflags_filter "$@")
844 append LDFLAGS $($ldflags_filter "$@")
848 append LDEXEFLAGS $($ldflags_filter "$@")
852 append LDLIBFLAGS $($ldflags_filter "$@")
856 append ASMSTRIPFLAGS "$@"
860 prepend extralibs $($ldflags_filter "$@")
864 append host_cppflags "$@"
868 append host_cflags $($host_cflags_filter "$@")
872 append host_ldflags $($host_ldflags_filter "$@")
876 append compat_objs $1
878 map 'add_cppflags -D$v' "$@"
883 "$@" >> $logfile 2>&1
888 stat "$1" >> $logfile 2>&1
892 eval printf '%s\\n' $CC_O
896 eval printf '%s\\n' $CC_E
903 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
910 check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
917 check_cmd $objcc -Werror=missing-prototypes $CPPFLAGS $CFLAGS $OBJCFLAGS "$@" $OBJCC_C $(cc_o $TMPO) $TMPM
924 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
928 eval printf '%s\\n' $AS_O
935 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
939 log check_inline_asm "$@"
944 check_cc "$@" <<EOF && enable $name
945 void foo(void){ __asm__ volatile($code); }
951 check_inline_asm ${1}_inline "\"$2\""
952 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
960 check_cmd $yasmexe $YASMFLAGS -Werror "$@" -o $TMPO $TMPS
964 eval printf '%s\\n' $LD_O
971 flags=$(filter_out '-l*|*.so' $@)
972 libs=$(filter '-l*|*.so' $@)
973 check_$type $($cflags_filter $flags) || return
974 flags=$($ldflags_filter $flags)
975 libs=$($ldflags_filter $libs)
976 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
981 test "${hdr%.h}" = "${hdr}" &&
982 echo "#include $hdr" ||
983 echo "#include <$hdr>"
993 for hdr in $headers; do
996 echo "int main(void) { $code; return 0; }"
997 } | check_$check "$@"
1001 log check_cppflags "$@"
1002 check_cc "$@" <<EOF && append CPPFLAGS "$@"
1008 log test_cflags "$@"
1009 set -- $($cflags_filter "$@")
1016 log check_cflags "$@"
1017 test_cflags "$@" && add_cflags "$@"
1021 log check_cxxflags "$@"
1022 set -- $($cflags_filter "$@")
1023 check_cxx "$@" <<EOF && append CXXFLAGS "$@"
1029 log test_cflags "$@"
1030 set -- $($cflags_filter "$@")
1031 check_objcc "$@" <<EOF
1037 log check_cflags "$@"
1038 test_objcflags "$@" && add_objcflags "$@"
1042 log test_ldflags "$@"
1043 check_ld "cc" "$@" <<EOF
1044 int main(void){ return 0; }
1049 log check_ldflags "$@"
1050 test_ldflags "$@" && add_ldflags "$@"
1054 log test_stripflags "$@"
1055 # call check_cc to get a fresh TMPO
1057 int main(void) { return 0; }
1059 check_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO
1063 log check_stripflags "$@"
1064 test_stripflags "$@" && add_stripflags "$@"
1068 log check_header "$@"
1071 disable_safe $header
1072 check_cpp "$@" <<EOF && enable_safe $header
1078 check_header_objcc(){
1079 log check_header_objcc "$@"
1083 disable_safe $header
1085 echo "#include <$header>"
1086 echo "int main(void) { return 0; }"
1087 } | check_objcc && check_stat "$TMPO" && enable_safe $headers
1095 check_ld "cc" "$@" <<EOF && enable $func
1097 int main(void){ $func(); }
1101 check_complexfunc(){
1102 log check_complexfunc "$@"
1106 test $narg = 2 && args="f, g" || args="f * I"
1108 check_ld "cc" "$@" <<EOF && enable $func
1109 #include <complex.h>
1111 float foo(complex float f, complex float g) { return $func($args); }
1112 int main(void){ return (int) foo; }
1117 log check_mathfunc "$@"
1121 test $narg = 2 && args="f, g" || args="f"
1123 check_ld "cc" "$@" <<EOF && enable $func
1125 float foo(float f, float g) { return $func($args); }
1126 int main(void){ return (int) foo; }
1130 check_func_headers(){
1131 log check_func_headers "$@"
1136 for hdr in $headers; do
1139 for func in $funcs; do
1140 echo "long check_$func(void) { return (long) $func; }"
1142 echo "int main(void) { return 0; }"
1143 } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
1146 check_class_headers_cpp(){
1147 log check_class_headers_cpp "$@"
1152 for hdr in $headers; do
1153 echo "#include <$hdr>"
1155 echo "int main(void) { "
1157 for class in $classes; do
1158 echo "$class obj$i;"
1162 } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
1165 check_cpp_condition(){
1166 log check_cpp_condition "$@"
1170 check_cpp "$@" <<EOF
1173 #error "unsatisfied condition: $condition"
1183 check_header $header && check_func $func "$@" && add_extralibs "$@"
1191 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
1195 log check_lib_cpp "$@"
1199 check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
1203 log check_pkg_config "$@"
1209 check_cmd $pkg_config --exists --print-errors $pkgandversion || return
1210 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1211 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1212 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1213 set_safe "${pkg}_cflags" $pkg_cflags &&
1214 set_safe "${pkg}_libs" $pkg_libs
1218 check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1224 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1225 # are safe but may not be available everywhere. Thus we use
1226 # raise(SIGTERM) instead. The check is run in a subshell so we
1227 # can redirect the "Terminated" message from the shell. SIGBUS
1228 # is not defined by standard C so it is used conditionally.
1230 (check_exec "$@") >> $logfile 2>&1 <<EOF
1232 static void sighandler(int sig){
1238 int (*func_ptr)(void) = foo;
1240 signal(SIGILL, sighandler);
1241 signal(SIGFPE, sighandler);
1242 signal(SIGSEGV, sighandler);
1244 signal(SIGBUS, sighandler);
1256 disable_safe "$type"
1257 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1261 log check_struct "$@"
1266 disable_safe "${struct}_${member}"
1267 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1268 enable_safe "${struct}_${member}"
1272 log check_builtin "$@"
1278 check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1281 check_compile_assert(){
1282 log check_compile_assert "$@"
1288 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1296 check_lib $header $func "$@" || die "ERROR: $name not found"
1304 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1312 check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1317 check_pkg_config "$@" || return 1
1318 add_cflags $(get_safe "${pkg}_cflags")
1319 add_extralibs $(get_safe "${pkg}_libs")
1322 require_pkg_config(){
1323 use_pkg_config "$@" || die "ERROR: $pkg not found using pkg-config$pkg_config_fail_message"
1326 require_libfreetype(){
1327 log require_libfreetype "$@"
1329 check_cmd $pkg_config --exists --print-errors $pkg \
1330 || die "ERROR: $pkg not found"
1331 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1332 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1334 echo "#include <ft2build.h>"
1335 echo "#include FT_FREETYPE_H"
1336 echo "long check_func(void) { return (long) FT_Init_FreeType; }"
1337 echo "int main(void) { return 0; }"
1338 } | check_ld "cc" $pkg_cflags $pkg_libs \
1339 && set_safe "${pkg}_cflags" $pkg_cflags \
1340 && set_safe "${pkg}_libs" $pkg_libs \
1341 || die "ERROR: $pkg not found"
1342 add_cflags $(get_safe "${pkg}_cflags")
1343 add_extralibs $(get_safe "${pkg}_libs")
1347 eval printf '%s\\n' $HOSTCC_E
1351 eval printf '%s\\n' $HOSTCC_O
1355 log check_host_cc "$@"
1358 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1362 log check_host_cpp "$@"
1365 check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1368 check_host_cppflags(){
1369 log check_host_cppflags "$@"
1370 check_host_cc "$@" <<EOF && append host_cppflags "$@"
1375 check_host_cflags(){
1376 log check_host_cflags "$@"
1377 set -- $($host_cflags_filter "$@")
1378 check_host_cc "$@" <<EOF && append host_cflags "$@"
1383 check_host_cpp_condition(){
1384 log check_host_cpp_condition "$@"
1388 check_host_cpp "$@" <<EOF
1391 #error "unsatisfied condition: $condition"
1397 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1398 mkdir -p "$(dirname $2)"
1402 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1403 # system-dependent things.
1405 AVCODEC_COMPONENTS="
1413 AVDEVICE_COMPONENTS="
1417 AVFILTER_COMPONENTS="
1420 AVFORMAT_COMPONENTS="
1426 AVRESAMPLE_COMPONENTS=""
1427 AVUTIL_COMPONENTS=""
1431 $AVDEVICE_COMPONENTS
1432 $AVFILTER_COMPONENTS
1433 $AVFORMAT_COMPONENTS
1434 $AVRESAMPLE_COMPONENTS
1439 avio_reading_example
1440 avio_dir_cmd_example
1441 decoding_encoding_example
1442 demuxing_decoding_example
1444 filter_audio_example
1445 filtering_audio_example
1446 filtering_video_example
1451 resampling_audio_example
1452 scaling_video_example
1453 transcode_aac_example
1457 EXTERNAL_LIBRARY_LIST="
1559 safe_bitstream_reader
1620 $EXTERNAL_LIBRARY_LIST
1628 incompatible_libav_abi
1690 ARCH_EXT_LIST_MIPS="
1701 ARCH_EXT_LIST_LOONGSON="
1707 ARCH_EXT_LIST_X86_SIMD="
1736 $ARCH_EXT_LIST_X86_SIMD
1746 $ARCH_EXT_LIST_LOONGSON
1762 atomic_compare_exchange
1768 sync_val_compare_and_swap
1779 incompatible_libav_abi
1788 cdio_paranoia_paranoia_h
1789 dev_bktr_ioctl_bt848_h
1790 dev_bktr_ioctl_meteor_h
1792 dev_video_bktr_ioctl_bt848_h
1793 dev_video_meteor_ioctl_meteor_h
1803 machine_ioctl_bt848_h
1804 machine_ioctl_meteor_h
1806 opencv2_core_core_c_h
1807 openjpeg_2_1_openjpeg_h
1808 openjpeg_2_0_openjpeg_h
1809 openjpeg_1_5_openjpeg_h
1887 GetProcessAffinityMask
1888 GetProcessMemoryInfo
1891 GetSystemTimeAsFileTime
1898 jack_port_get_latency_range
1914 SetConsoleTextAttribute
1915 SetConsoleCtrlHandler
1923 UTGetOSTypeFromString
1928 TOOLCHAIN_FEATURES="
1940 inline_asm_direct_symbol_refs
1942 inline_asm_nonlocal_labels
1953 CONDITION_VARIABLE_Ptr
1956 struct_group_source_req
1957 struct_ip_mreq_source
1960 struct_rusage_ru_maxrss
1961 struct_sctp_event_subscribe
1963 struct_sockaddr_sa_len
1964 struct_sockaddr_storage
1965 struct_stat_st_mtim_tv_nsec
1966 struct_v4l2_frmivalenum_discrete
1971 $(add_suffix _external $ARCH_EXT_LIST)
1972 $(add_suffix _inline $ARCH_EXT_LIST)
2007 # options emitted with CONFIG_ prefix but not available on the command line
2024 frame_thread_encoder
2166 # code dependency declarations
2168 # architecture extensions
2173 armv8_deps="aarch64"
2174 neon_deps_any="aarch64 arm"
2175 intrinsics_neon_deps="neon"
2176 vfp_deps_any="aarch64 arm"
2180 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
2184 mipsdspr2_deps="mips"
2185 mips32r2_deps="mips"
2186 mips32r6_deps="mips"
2187 mips64r2_deps="mips"
2188 mips64r6_deps="mips"
2200 x86_64_select="i686"
2201 x86_64_suggest="fast_cmov"
2204 amd3dnowext_deps="amd3dnow"
2221 mmx_external_deps="yasm"
2222 mmx_inline_deps="inline_asm"
2223 mmx_suggest="mmx_external mmx_inline"
2225 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
2226 eval dep=\$${ext}_deps
2227 eval ${ext}_external_deps='"${dep}_external"'
2228 eval ${ext}_inline_deps='"${dep}_inline"'
2229 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
2232 aligned_stack_if_any="aarch64 ppc x86"
2233 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
2234 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
2235 fast_unaligned_if_any="aarch64 ppc x86"
2236 simd_align_16_if_any="altivec neon sse"
2238 # system capabilities
2239 symver_if_any="symver_asm_label symver_gnu_asm"
2240 valgrind_backtrace_deps="!optimizations valgrind_valgrind_h"
2243 atomics_gcc_if_any="sync_val_compare_and_swap atomic_compare_exchange"
2244 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
2245 atomics_win32_if="MemoryBarrier"
2246 atomics_native_if_any="$ATOMICS_LIST"
2247 w32threads_deps="atomics_native"
2248 threads_if_any="$THREADS_LIST"
2252 dirac_parse_select="golomb"
2253 error_resilience_select="me_cmp"
2254 faandct_deps="faan fdctdsp"
2255 faanidct_deps="faan idctdsp"
2256 frame_thread_encoder_deps="encoders threads"
2257 intrax8_select="error_resilience"
2259 me_cmp_select="fdctdsp idctdsp pixblockdsp"
2260 mpeg_er_select="error_resilience"
2261 mpegaudio_select="mpegaudiodsp"
2262 mpegaudiodsp_select="dct"
2263 mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp mpeg_er videodsp"
2264 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
2269 # decoders / encoders
2270 aac_decoder_select="imdct15 mdct sinewin"
2271 aac_fixed_decoder_select="mdct sinewin"
2272 aac_encoder_select="audio_frame_queue iirfilter lpc mdct sinewin"
2273 aac_latm_decoder_select="aac_decoder aac_latm_parser"
2274 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
2275 ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"
2276 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
2277 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
2278 adpcm_g722_decoder_select="g722dsp"
2279 adpcm_g722_encoder_select="g722dsp"
2280 aic_decoder_select="golomb idctdsp"
2281 alac_encoder_select="lpc"
2282 als_decoder_select="bswapdsp"
2283 amrnb_decoder_select="lsp"
2284 amrwb_decoder_select="lsp"
2285 amv_decoder_select="sp5x_decoder exif"
2286 amv_encoder_select="aandcttables jpegtables mpegvideoenc"
2287 ape_decoder_select="bswapdsp llauddsp"
2288 apng_decoder_select="zlib"
2289 apng_encoder_select="huffyuvencdsp zlib"
2290 asv1_decoder_select="blockdsp bswapdsp idctdsp"
2291 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
2292 asv2_decoder_select="blockdsp bswapdsp idctdsp"
2293 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
2294 atrac1_decoder_select="mdct sinewin"
2295 atrac3_decoder_select="mdct"
2296 atrac3p_decoder_select="mdct sinewin"
2297 avrn_decoder_select="exif jpegtables"
2298 bink_decoder_select="blockdsp hpeldsp"
2299 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
2300 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
2301 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
2302 cllc_decoder_select="bswapdsp"
2303 comfortnoise_encoder_select="lpc"
2304 cook_decoder_select="audiodsp mdct sinewin"
2305 cscd_decoder_select="lzo"
2306 cscd_decoder_suggest="zlib"
2307 dca_decoder_select="mdct"
2308 dds_decoder_select="texturedsp"
2309 dirac_decoder_select="dirac_parse dwt golomb videodsp mpegvideoenc"
2310 dnxhd_decoder_select="blockdsp idctdsp"
2311 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
2312 dvvideo_decoder_select="dvprofile idctdsp"
2313 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
2314 dxa_decoder_select="zlib"
2315 dxv_decoder_select="lzf texturedsp"
2316 eac3_decoder_select="ac3_decoder"
2317 eac3_encoder_select="ac3_encoder"
2318 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
2319 eatgq_decoder_select="aandcttables"
2320 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp"
2321 exr_decoder_select="zlib"
2322 ffv1_decoder_select="golomb rangecoder"
2323 ffv1_encoder_select="rangecoder"
2324 ffvhuff_decoder_select="huffyuv_decoder"
2325 ffvhuff_encoder_select="huffyuv_encoder"
2326 fic_decoder_select="golomb"
2327 flac_decoder_select="flacdsp golomb"
2328 flac_encoder_select="bswapdsp flacdsp golomb lpc"
2329 flashsv2_decoder_select="zlib"
2330 flashsv2_encoder_select="zlib"
2331 flashsv_decoder_select="zlib"
2332 flashsv_encoder_select="zlib"
2333 flv_decoder_select="h263_decoder"
2334 flv_encoder_select="h263_encoder"
2335 fourxm_decoder_select="blockdsp bswapdsp"
2336 fraps_decoder_select="bswapdsp huffman"
2337 g2m_decoder_select="blockdsp idctdsp jpegtables zlib"
2338 g729_decoder_select="audiodsp"
2339 h261_decoder_select="mpegvideo"
2340 h261_encoder_select="aandcttables mpegvideoenc"
2341 h263_decoder_select="h263_parser h263dsp mpegvideo qpeldsp"
2342 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
2343 h263i_decoder_select="h263_decoder"
2344 h263p_decoder_select="h263_decoder"
2345 h263p_encoder_select="h263_encoder"
2346 h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel startcode videodsp"
2347 h264_decoder_suggest="error_resilience"
2348 h264_qsv_decoder_deps="libmfx"
2349 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
2350 h264_qsv_encoder_deps="libmfx"
2351 h264_qsv_encoder_select="qsvenc"
2352 hap_decoder_select="snappy texturedsp"
2353 hap_encoder_deps="libsnappy"
2354 hap_encoder_select="texturedspenc"
2355 hevc_decoder_select="bswapdsp cabac golomb videodsp"
2356 hevc_qsv_decoder_deps="libmfx"
2357 hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec hevc_qsv_hwaccel"
2358 hevc_qsv_encoder_deps="libmfx"
2359 hevc_qsv_encoder_select="qsvenc"
2360 huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"
2361 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llviddsp"
2362 iac_decoder_select="imc_decoder"
2363 imc_decoder_select="bswapdsp fft mdct sinewin"
2364 indeo3_decoder_select="hpeldsp"
2365 indeo4_decoder_select="ividsp"
2366 indeo5_decoder_select="ividsp"
2367 interplay_video_decoder_select="hpeldsp"
2368 jpegls_decoder_select="golomb mjpeg_decoder"
2369 jpegls_encoder_select="golomb"
2370 jv_decoder_select="blockdsp"
2371 lagarith_decoder_select="huffyuvdsp"
2372 ljpeg_encoder_select="aandcttables idctdsp jpegtables"
2373 loco_decoder_select="golomb"
2374 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2375 metasound_decoder_select="lsp mdct sinewin"
2376 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2377 mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"
2378 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
2379 mjpegb_decoder_select="mjpeg_decoder"
2380 mlp_decoder_select="mlp_parser"
2381 motionpixels_decoder_select="bswapdsp"
2382 mp1_decoder_select="mpegaudio"
2383 mp1float_decoder_select="mpegaudio"
2384 mp2_decoder_select="mpegaudio"
2385 mp2float_decoder_select="mpegaudio"
2386 mp3_decoder_select="mpegaudio"
2387 mp3adu_decoder_select="mpegaudio"
2388 mp3adufloat_decoder_select="mpegaudio"
2389 mp3float_decoder_select="mpegaudio"
2390 mp3on4_decoder_select="mpegaudio"
2391 mp3on4float_decoder_select="mpegaudio"
2392 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2393 mpc8_decoder_select="mpegaudiodsp"
2394 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
2395 mpeg_xvmc_decoder_select="mpeg2video_decoder"
2396 mpegvideo_decoder_select="mpegvideo"
2397 mpeg1video_decoder_select="mpegvideo"
2398 mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"
2399 mpeg2video_decoder_select="mpegvideo"
2400 mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"
2401 mpeg2_qsv_decoder_deps="libmfx"
2402 mpeg2_qsv_decoder_select="qsvdec mpeg2_qsv_hwaccel"
2403 mpeg2_qsv_encoder_deps="libmfx"
2404 mpeg2_qsv_encoder_select="qsvenc"
2405 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2406 mpeg4_encoder_select="h263_encoder"
2407 msa1_decoder_select="mss34dsp"
2408 msmpeg4v1_decoder_select="h263_decoder"
2409 msmpeg4v2_decoder_select="h263_decoder"
2410 msmpeg4v2_encoder_select="h263_encoder"
2411 msmpeg4v3_decoder_select="h263_decoder"
2412 msmpeg4v3_encoder_select="h263_encoder"
2413 mss2_decoder_select="vc1_decoder"
2414 mts2_decoder_select="mss34dsp"
2415 mxpeg_decoder_select="mjpeg_decoder"
2416 nellymoser_decoder_select="mdct sinewin"
2417 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2418 nuv_decoder_select="idctdsp lzo"
2419 on2avc_decoder_select="mdct"
2420 opus_decoder_deps="swresample"
2421 opus_decoder_select="imdct15"
2422 png_decoder_select="zlib"
2423 png_encoder_select="huffyuvencdsp zlib"
2424 prores_decoder_select="blockdsp idctdsp"
2425 prores_encoder_select="fdctdsp"
2426 qcelp_decoder_select="lsp"
2427 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2428 ra_144_decoder_select="audiodsp"
2429 ra_144_encoder_select="audio_frame_queue lpc audiodsp"
2430 ralf_decoder_select="golomb"
2431 rawvideo_decoder_select="bswapdsp"
2432 rscc_decoder_select="zlib"
2433 rtjpeg_decoder_select="me_cmp"
2434 rv10_decoder_select="h263_decoder"
2435 rv10_encoder_select="h263_encoder"
2436 rv20_decoder_select="h263_decoder"
2437 rv20_encoder_select="h263_encoder"
2438 rv30_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2439 rv40_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2440 screenpresso_decoder_select="zlib"
2441 shorten_decoder_select="golomb"
2442 sipr_decoder_select="lsp"
2443 snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"
2444 snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"
2445 sonic_decoder_select="golomb rangecoder"
2446 sonic_encoder_select="golomb rangecoder"
2447 sonic_ls_encoder_select="golomb rangecoder"
2448 sp5x_decoder_select="mjpeg_decoder"
2449 svq1_decoder_select="hpeldsp"
2450 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2451 svq3_decoder_select="h264_decoder hpeldsp tpeldsp"
2452 svq3_decoder_suggest="zlib"
2453 tak_decoder_select="audiodsp"
2454 tdsc_decoder_select="zlib mjpeg_decoder"
2455 theora_decoder_select="vp3_decoder"
2456 thp_decoder_select="mjpeg_decoder"
2457 tiff_decoder_suggest="zlib lzma"
2458 tiff_encoder_suggest="zlib"
2459 truehd_decoder_select="mlp_parser"
2460 truemotion2_decoder_select="bswapdsp"
2461 truespeech_decoder_select="bswapdsp"
2462 tscc_decoder_select="zlib"
2463 twinvq_decoder_select="mdct lsp sinewin"
2464 txd_decoder_select="texturedsp"
2465 utvideo_decoder_select="bswapdsp"
2466 utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"
2467 vble_decoder_select="huffyuvdsp"
2468 vc1_decoder_select="blockdsp h263_decoder h264qpel intrax8 qpeldsp startcode"
2469 vc1_qsv_decoder_deps="libmfx"
2470 vc1_qsv_decoder_select="qsvdec vc1_qsv_hwaccel"
2471 vc1image_decoder_select="vc1_decoder"
2472 vorbis_decoder_select="mdct"
2473 vorbis_encoder_select="mdct"
2474 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2475 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"
2476 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"
2477 vp6a_decoder_select="vp6_decoder"
2478 vp6f_decoder_select="vp6_decoder"
2479 vp7_decoder_select="h264pred videodsp vp8dsp"
2480 vp8_decoder_select="h264pred videodsp vp8dsp"
2481 vp9_decoder_select="videodsp vp9_parser"
2482 webp_decoder_select="vp8_decoder exif"
2483 wmalossless_decoder_select="llauddsp"
2484 wmapro_decoder_select="mdct sinewin wma_freqs"
2485 wmav1_decoder_select="mdct sinewin wma_freqs"
2486 wmav1_encoder_select="mdct sinewin wma_freqs"
2487 wmav2_decoder_select="mdct sinewin wma_freqs"
2488 wmav2_encoder_select="mdct sinewin wma_freqs"
2489 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2490 wmv1_decoder_select="h263_decoder"
2491 wmv1_encoder_select="h263_encoder"
2492 wmv2_decoder_select="blockdsp h263_decoder idctdsp intrax8 videodsp wmv2dsp"
2493 wmv2_encoder_select="h263_encoder wmv2dsp"
2494 wmv3_decoder_select="vc1_decoder"
2495 wmv3image_decoder_select="wmv3_decoder"
2496 xma1_decoder_select="wmapro_decoder"
2497 xma2_decoder_select="wmapro_decoder"
2498 zerocodec_decoder_select="zlib"
2499 zlib_decoder_select="zlib"
2500 zlib_encoder_select="zlib"
2501 zmbv_decoder_select="zlib"
2502 zmbv_encoder_select="zlib"
2504 # hardware accelerators
2505 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
2506 d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder ID3D11VideoContext"
2507 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode"
2508 vaapi_deps="va_va_h"
2509 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
2510 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
2511 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
2512 videotoolbox_deps="VideoToolbox_VideoToolbox_h pthreads"
2513 videotoolbox_extralibs="-framework CoreFoundation -framework VideoToolbox -framework CoreMedia -framework QuartzCore -framework CoreVideo"
2514 xvmc_deps="X11_extensions_XvMClib_h"
2516 h263_vaapi_hwaccel_deps="vaapi"
2517 h263_vaapi_hwaccel_select="h263_decoder"
2518 h263_videotoolbox_hwaccel_deps="videotoolbox"
2519 h263_videotoolbox_hwaccel_select="h263_decoder"
2520 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
2521 h264_d3d11va_hwaccel_deps="d3d11va"
2522 h264_d3d11va_hwaccel_select="h264_decoder"
2523 h264_dxva2_hwaccel_deps="dxva2"
2524 h264_dxva2_hwaccel_select="h264_decoder"
2525 h264_mmal_decoder_deps="mmal"
2526 h264_mmal_decoder_select="mmal"
2527 h264_mmal_hwaccel_deps="mmal"
2528 h264_qsv_hwaccel_deps="libmfx"
2529 h264_vaapi_hwaccel_deps="vaapi"
2530 h264_vaapi_hwaccel_select="h264_decoder"
2531 h264_vda_decoder_deps="vda"
2532 h264_vda_decoder_select="h264_decoder"
2533 h264_vda_hwaccel_deps="vda"
2534 h264_vda_hwaccel_select="h264_decoder"
2535 h264_vda_old_hwaccel_deps="vda"
2536 h264_vda_old_hwaccel_select="h264_decoder"
2537 h264_vdpau_decoder_deps="vdpau"
2538 h264_vdpau_decoder_select="h264_decoder"
2539 h264_vdpau_hwaccel_deps="vdpau"
2540 h264_vdpau_hwaccel_select="h264_decoder"
2541 h264_videotoolbox_hwaccel_deps="videotoolbox"
2542 h264_videotoolbox_hwaccel_select="h264_decoder"
2543 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2544 hevc_d3d11va_hwaccel_select="hevc_decoder"
2545 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2546 hevc_dxva2_hwaccel_select="hevc_decoder"
2547 hevc_qsv_hwaccel_deps="libmfx"
2548 hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC"
2549 hevc_vaapi_hwaccel_select="hevc_decoder"
2550 hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"
2551 hevc_vdpau_hwaccel_select="hevc_decoder"
2552 mpeg_vdpau_decoder_deps="vdpau"
2553 mpeg_vdpau_decoder_select="mpeg2video_decoder"
2554 mpeg_xvmc_hwaccel_deps="xvmc"
2555 mpeg_xvmc_hwaccel_select="mpeg2video_decoder"
2556 mpeg1_vdpau_decoder_deps="vdpau"
2557 mpeg1_vdpau_decoder_select="mpeg1video_decoder"
2558 mpeg1_vdpau_hwaccel_deps="vdpau"
2559 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2560 mpeg1_videotoolbox_hwaccel_deps="videotoolbox"
2561 mpeg1_videotoolbox_hwaccel_select="mpeg1video_decoder"
2562 mpeg1_xvmc_hwaccel_deps="xvmc"
2563 mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"
2564 mpeg2_crystalhd_decoder_select="crystalhd"
2565 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2566 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2567 mpeg2_dxva2_hwaccel_deps="dxva2"
2568 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2569 mpeg2_mmal_decoder_deps="mmal"
2570 mpeg2_mmal_decoder_select="mmal"
2571 mpeg2_mmal_hwaccel_deps="mmal"
2572 mpeg2_qsv_hwaccel_deps="libmfx"
2573 mpeg2_qsv_hwaccel_select="qsvdec_mpeg2"
2574 mpeg2_vaapi_hwaccel_deps="vaapi"
2575 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2576 mpeg2_vdpau_hwaccel_deps="vdpau"
2577 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2578 mpeg2_videotoolbox_hwaccel_deps="videotoolbox"
2579 mpeg2_videotoolbox_hwaccel_select="mpeg2video_decoder"
2580 mpeg2_xvmc_hwaccel_deps="xvmc"
2581 mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"
2582 mpeg4_crystalhd_decoder_select="crystalhd"
2583 mpeg4_mmal_decoder_deps="mmal"
2584 mpeg4_mmal_decoder_select="mmal"
2585 mpeg4_mmal_hwaccel_deps="mmal"
2586 mpeg4_vaapi_hwaccel_deps="vaapi"
2587 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2588 mpeg4_vdpau_decoder_deps="vdpau"
2589 mpeg4_vdpau_decoder_select="mpeg4_decoder"
2590 mpeg4_vdpau_hwaccel_deps="vdpau"
2591 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2592 mpeg4_videotoolbox_hwaccel_deps="videotoolbox"
2593 mpeg4_videotoolbox_hwaccel_select="mpeg4_decoder"
2594 msmpeg4_crystalhd_decoder_select="crystalhd"
2595 vc1_crystalhd_decoder_select="crystalhd"
2596 vc1_d3d11va_hwaccel_deps="d3d11va"
2597 vc1_d3d11va_hwaccel_select="vc1_decoder"
2598 vc1_dxva2_hwaccel_deps="dxva2"
2599 vc1_dxva2_hwaccel_select="vc1_decoder"
2600 vc1_mmal_decoder_deps="mmal"
2601 vc1_mmal_decoder_select="mmal"
2602 vc1_mmal_hwaccel_deps="mmal"
2603 vc1_qsv_hwaccel_deps="libmfx"
2604 vc1_qsv_hwaccel_select="qsvdec_vc1"
2605 vc1_vaapi_hwaccel_deps="vaapi"
2606 vc1_vaapi_hwaccel_select="vc1_decoder"
2607 vc1_vdpau_decoder_deps="vdpau"
2608 vc1_vdpau_decoder_select="vc1_decoder"
2609 vc1_vdpau_hwaccel_deps="vdpau"
2610 vc1_vdpau_hwaccel_select="vc1_decoder"
2611 vp9_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_VP9"
2612 vp9_d3d11va_hwaccel_select="vp9_decoder"
2613 vp9_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_VP9"
2614 vp9_dxva2_hwaccel_select="vp9_decoder"
2615 vp9_vaapi_hwaccel_deps="vaapi VADecPictureParameterBufferVP9"
2616 vp9_vaapi_hwaccel_select="vp9_decoder"
2617 wmv3_crystalhd_decoder_select="crystalhd"
2618 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2619 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2620 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2621 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2622 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2625 h264_parser_select="h264_decoder"
2626 hevc_parser_select="golomb"
2627 mpegvideo_parser_select="mpegvideo"
2628 mpeg4video_parser_select="h263dsp mpegvideo qpeldsp"
2629 vc1_parser_select="mpegvideo startcode vc1_decoder"
2632 mjpeg2jpeg_bsf_select="jpegtables"
2634 # external libraries
2635 chromaprint_muxer_deps="chromaprint"
2636 libcelt_decoder_deps="libcelt"
2637 libdcadec_decoder_deps="libdcadec"
2638 libfaac_encoder_deps="libfaac"
2639 libfaac_encoder_select="audio_frame_queue"
2640 libfdk_aac_decoder_deps="libfdk_aac"
2641 libfdk_aac_encoder_deps="libfdk_aac"
2642 libfdk_aac_encoder_select="audio_frame_queue"
2643 libgme_demuxer_deps="libgme"
2644 libgsm_decoder_deps="libgsm"
2645 libgsm_encoder_deps="libgsm"
2646 libgsm_ms_decoder_deps="libgsm"
2647 libgsm_ms_encoder_deps="libgsm"
2648 libilbc_decoder_deps="libilbc"
2649 libilbc_encoder_deps="libilbc"
2650 libkvazaar_encoder_deps="libkvazaar"
2651 libmodplug_demuxer_deps="libmodplug"
2652 libmp3lame_encoder_deps="libmp3lame"
2653 libmp3lame_encoder_select="audio_frame_queue"
2654 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2655 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2656 libopencore_amrnb_encoder_select="audio_frame_queue"
2657 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2658 libopenh264_encoder_deps="libopenh264"
2659 libopenjpeg_decoder_deps="libopenjpeg"
2660 libopenjpeg_encoder_deps="libopenjpeg"
2661 libopus_decoder_deps="libopus"
2662 libopus_encoder_deps="libopus"
2663 libopus_encoder_select="audio_frame_queue"
2664 libschroedinger_decoder_deps="libschroedinger"
2665 libschroedinger_encoder_deps="libschroedinger"
2666 libshine_encoder_deps="libshine"
2667 libshine_encoder_select="audio_frame_queue"
2668 libspeex_decoder_deps="libspeex"
2669 libspeex_encoder_deps="libspeex"
2670 libspeex_encoder_select="audio_frame_queue"
2671 libtheora_encoder_deps="libtheora"
2672 libtwolame_encoder_deps="libtwolame"
2673 libutvideo_decoder_deps="libutvideo"
2674 libutvideo_encoder_deps="libutvideo"
2675 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2676 libvorbis_decoder_deps="libvorbis"
2677 libvorbis_encoder_deps="libvorbis"
2678 libvorbis_encoder_select="audio_frame_queue"
2679 libvpx_vp8_decoder_deps="libvpx"
2680 libvpx_vp8_encoder_deps="libvpx"
2681 libvpx_vp9_decoder_deps="libvpx"
2682 libvpx_vp9_encoder_deps="libvpx"
2683 libwavpack_encoder_deps="libwavpack"
2684 libwebp_encoder_deps="libwebp"
2685 libwebp_anim_encoder_deps="libwebp"
2686 libx262_encoder_deps="libx262"
2687 libx264_encoder_deps="libx264"
2688 libx264rgb_encoder_deps="libx264"
2689 libx264rgb_encoder_select="libx264_encoder"
2690 libx265_encoder_deps="libx265"
2691 libxavs_encoder_deps="libxavs"
2692 libxvid_encoder_deps="libxvid"
2693 libzvbi_teletext_decoder_deps="libzvbi"
2694 nvenc_encoder_deps="nvenc"
2695 nvenc_h264_encoder_deps="nvenc"
2696 nvenc_hevc_encoder_deps="nvenc"
2699 ac3_demuxer_select="ac3_parser"
2700 asf_demuxer_select="riffdec"
2701 asf_o_demuxer_select="riffdec"
2702 asf_muxer_select="riffenc"
2703 asf_stream_muxer_select="asf_muxer"
2704 avi_demuxer_select="riffdec exif"
2705 avi_muxer_select="riffenc"
2706 avisynth_demuxer_deps="avisynth"
2707 avisynth_demuxer_select="riffdec"
2708 caf_demuxer_select="riffdec"
2709 dash_muxer_select="mp4_muxer"
2710 dirac_demuxer_select="dirac_parser"
2711 dts_demuxer_select="dca_parser"
2712 dtshd_demuxer_select="dca_parser"
2713 dv_demuxer_select="dvprofile"
2714 dv_muxer_select="dvprofile"
2715 dxa_demuxer_select="riffdec"
2716 eac3_demuxer_select="ac3_parser"
2717 f4v_muxer_select="mov_muxer"
2718 flac_demuxer_select="flac_parser"
2719 hds_muxer_select="flv_muxer"
2720 hls_muxer_select="mpegts_muxer"
2721 image2_alias_pix_demuxer_select="image2_demuxer"
2722 image2_brender_pix_demuxer_select="image2_demuxer"
2723 ipod_muxer_select="mov_muxer"
2724 ismv_muxer_select="mov_muxer"
2725 libnut_demuxer_deps="libnut"
2726 libnut_muxer_deps="libnut"
2727 matroska_audio_muxer_select="matroska_muxer"
2728 matroska_demuxer_select="riffdec"
2729 matroska_demuxer_suggest="bzlib lzo zlib"
2730 matroska_muxer_select="riffenc"
2731 mmf_muxer_select="riffenc"
2732 mov_demuxer_select="riffdec"
2733 mov_demuxer_suggest="zlib"
2734 mov_muxer_select="riffenc rtpenc_chain"
2735 mp3_demuxer_select="mpegaudio_parser"
2736 mp4_muxer_select="mov_muxer"
2737 mpegts_muxer_select="adts_muxer latm_muxer"
2738 mpegtsraw_demuxer_select="mpegts_demuxer"
2739 mxf_d10_muxer_select="mxf_muxer"
2740 mxf_opatom_muxer_select="mxf_muxer"
2741 nut_muxer_select="riffenc"
2742 nuv_demuxer_select="riffdec"
2743 oga_muxer_select="ogg_muxer"
2744 ogg_demuxer_select="dirac_parse"
2745 opus_muxer_select="ogg_muxer"
2746 psp_muxer_select="mov_muxer"
2747 rtp_demuxer_select="sdp_demuxer"
2748 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol"
2749 rtsp_demuxer_select="http_protocol rtpdec"
2750 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2751 sap_demuxer_select="sdp_demuxer"
2752 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2753 sdp_demuxer_select="rtpdec"
2754 smoothstreaming_muxer_select="ismv_muxer"
2755 spdif_muxer_select="aac_parser"
2756 spx_muxer_select="ogg_muxer"
2757 swf_demuxer_suggest="zlib"
2758 tak_demuxer_select="tak_parser"
2759 tg2_muxer_select="mov_muxer"
2760 tgp_muxer_select="mov_muxer"
2761 vobsub_demuxer_select="mpegps_demuxer"
2762 w64_demuxer_select="wav_demuxer"
2763 w64_muxer_select="wav_muxer"
2764 wav_demuxer_select="riffdec"
2765 wav_muxer_select="riffenc"
2766 webm_muxer_select="riffenc"
2767 wtv_demuxer_select="riffdec"
2768 wtv_muxer_select="riffenc"
2769 xmv_demuxer_select="riffdec"
2770 xwma_demuxer_select="riffdec"
2773 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2774 alsa_outdev_deps="alsa_asoundlib_h"
2775 avfoundation_indev_extralibs="-framework CoreVideo -framework Foundation -framework AVFoundation -framework CoreMedia"
2776 avfoundation_indev_select="avfoundation"
2777 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2778 caca_outdev_deps="libcaca"
2779 decklink_indev_deps="decklink pthreads"
2780 decklink_indev_extralibs="-lstdc++"
2781 decklink_outdev_deps="decklink pthreads"
2782 decklink_outdev_extralibs="-lstdc++"
2783 dshow_indev_deps="IBaseFilter"
2784 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"
2785 dv1394_indev_deps="dv1394"
2786 dv1394_indev_select="dv_demuxer"
2787 fbdev_indev_deps="linux_fb_h"
2788 fbdev_outdev_deps="linux_fb_h"
2789 gdigrab_indev_deps="CreateDIBSection"
2790 gdigrab_indev_extralibs="-lgdi32"
2791 gdigrab_indev_select="bmp_decoder"
2792 iec61883_indev_deps="libiec61883"
2793 jack_indev_deps="jack_jack_h sem_timedwait"
2794 lavfi_indev_deps="avfilter"
2795 libcdio_indev_deps="libcdio"
2796 libdc1394_indev_deps="libdc1394"
2797 libv4l2_indev_deps="libv4l2"
2798 openal_indev_deps="openal"
2799 opengl_outdev_deps="opengl"
2800 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2801 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2802 pulse_indev_deps="libpulse"
2803 pulse_outdev_deps="libpulse"
2804 qtkit_indev_extralibs="-framework QTKit -framework Foundation -framework QuartzCore"
2805 qtkit_indev_select="qtkit"
2806 sdl_outdev_deps="sdl"
2807 sndio_indev_deps="sndio_h"
2808 sndio_outdev_deps="sndio_h"
2809 v4l_indev_deps="linux_videodev_h"
2810 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2811 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
2812 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2813 vfwcap_indev_extralibs="-lavicap32"
2814 x11grab_indev_deps="x11grab"
2815 x11grab_xcb_indev_deps="libxcb"
2816 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
2817 xv_outdev_extralibs="-lXv -lX11 -lXext"
2820 async_protocol_deps="threads"
2821 bluray_protocol_deps="libbluray"
2822 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2823 ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"
2824 ffrtmpcrypt_protocol_select="tcp_protocol"
2825 ffrtmphttp_protocol_deps="!librtmp_protocol"
2826 ffrtmphttp_protocol_select="http_protocol"
2827 ftp_protocol_select="tcp_protocol"
2828 gopher_protocol_select="network"
2829 http_protocol_select="tcp_protocol"
2830 httpproxy_protocol_select="tcp_protocol"
2831 https_protocol_select="tls_protocol"
2832 icecast_protocol_select="http_protocol"
2833 librtmp_protocol_deps="librtmp"
2834 librtmpe_protocol_deps="librtmp"
2835 librtmps_protocol_deps="librtmp"
2836 librtmpt_protocol_deps="librtmp"
2837 librtmpte_protocol_deps="librtmp"
2838 libsmbclient_protocol_deps="libsmbclient gplv3"
2839 libssh_protocol_deps="libssh"
2840 mmsh_protocol_select="http_protocol"
2841 mmst_protocol_select="network"
2842 rtmp_protocol_deps="!librtmp_protocol"
2843 rtmp_protocol_select="tcp_protocol"
2844 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2845 rtmps_protocol_deps="!librtmp_protocol"
2846 rtmps_protocol_select="tls_protocol"
2847 rtmpt_protocol_select="ffrtmphttp_protocol"
2848 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2849 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2850 rtp_protocol_select="udp_protocol"
2851 sctp_protocol_deps="struct_sctp_event_subscribe"
2852 sctp_protocol_select="network"
2853 srtp_protocol_select="rtp_protocol"
2854 tcp_protocol_select="network"
2855 tls_gnutls_protocol_deps="gnutls !tls_schannel_protocol !tls_securetransport_protocol"
2856 tls_gnutls_protocol_select="tcp_protocol"
2857 tls_openssl_protocol_deps="openssl !tls_schannel_protocol !tls_securetransport_protocol !tls_gnutls_protocol"
2858 tls_openssl_protocol_select="tcp_protocol"
2859 tls_schannel_protocol_deps="schannel"
2860 tls_schannel_protocol_select="tcp_protocol"
2861 tls_securetransport_protocol_deps="securetransport"
2862 tls_securetransport_protocol_select="tcp_protocol"
2863 tls_protocol_select_any="tls_schannel_protocol tls_securetransport_protocol tls_gnutls_protocol tls_openssl_protocol"
2864 udp_protocol_select="network"
2865 udplite_protocol_select="network"
2866 unix_protocol_deps="sys_un_h"
2867 unix_protocol_select="network"
2870 afftfilt_filter_deps="avcodec"
2871 afftfilt_filter_select="fft"
2872 amovie_filter_deps="avcodec avformat"
2873 aresample_filter_deps="swresample"
2874 ass_filter_deps="libass"
2875 asyncts_filter_deps="avresample"
2876 atempo_filter_deps="avcodec"
2877 atempo_filter_select="rdft"
2878 azmq_filter_deps="libzmq"
2879 blackframe_filter_deps="gpl"
2880 boxblur_filter_deps="gpl"
2881 bs2b_filter_deps="libbs2b"
2882 colormatrix_filter_deps="gpl"
2883 cover_rect_filter_deps="avcodec avformat gpl"
2884 cropdetect_filter_deps="gpl"
2885 delogo_filter_deps="gpl"
2886 deshake_filter_select="pixelutils"
2887 drawtext_filter_deps="libfreetype"
2888 ebur128_filter_deps="gpl"
2889 eq_filter_deps="gpl"
2890 fftfilt_filter_deps="avcodec"
2891 fftfilt_filter_select="rdft"
2892 find_rect_filter_deps="avcodec avformat gpl"
2893 flite_filter_deps="libflite"
2894 frei0r_filter_deps="frei0r dlopen"
2895 frei0r_src_filter_deps="frei0r dlopen"
2896 fspp_filter_deps="gpl"
2897 geq_filter_deps="gpl"
2898 histeq_filter_deps="gpl"
2899 hqdn3d_filter_deps="gpl"
2900 interlace_filter_deps="gpl"
2901 kerndeint_filter_deps="gpl"
2902 ladspa_filter_deps="ladspa dlopen"
2903 mcdeint_filter_deps="avcodec gpl"
2904 movie_filter_deps="avcodec avformat"
2905 mpdecimate_filter_deps="gpl"
2906 mpdecimate_filter_select="pixelutils"
2907 mptestsrc_filter_deps="gpl"
2908 negate_filter_deps="lut_filter"
2909 nnedi_filter_deps="gpl"
2910 ocr_filter_deps="libtesseract"
2911 ocv_filter_deps="libopencv"
2912 owdenoise_filter_deps="gpl"
2913 pan_filter_deps="swresample"
2914 perspective_filter_deps="gpl"
2915 phase_filter_deps="gpl"
2916 pp7_filter_deps="gpl"
2917 pp_filter_deps="gpl postproc"
2918 pullup_filter_deps="gpl"
2919 removelogo_filter_deps="avcodec avformat swscale"
2920 repeatfields_filter_deps="gpl"
2921 resample_filter_deps="avresample"
2922 rubberband_filter_deps="librubberband"
2923 sab_filter_deps="gpl swscale"
2924 scale2ref_filter_deps="swscale"
2925 scale_filter_deps="swscale"
2926 select_filter_select="pixelutils"
2927 showcqt_filter_deps="avcodec avformat swscale"
2928 showcqt_filter_select="fft"
2929 showfreqs_filter_deps="avcodec"
2930 showfreqs_filter_select="fft"
2931 showspectrum_filter_deps="avcodec"
2932 showspectrum_filter_select="fft"
2933 showspectrumpic_filter_deps="avcodec"
2934 showspectrumpic_filter_select="fft"
2935 smartblur_filter_deps="gpl swscale"
2936 sofalizer_filter_deps="netcdf avcodec"
2937 sofalizer_filter_select="fft"
2938 spectrumsynth_filter_deps="avcodec"
2939 spectrumsynth_filter_select="fft"
2940 spp_filter_deps="gpl avcodec"
2941 spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"
2942 stereo3d_filter_deps="gpl"
2943 subtitles_filter_deps="avformat avcodec libass"
2944 super2xsai_filter_deps="gpl"
2945 pixfmts_super2xsai_test_deps="super2xsai_filter"
2946 tinterlace_filter_deps="gpl"
2947 tinterlace_merge_test_deps="tinterlace_filter"
2948 tinterlace_pad_test_deps="tinterlace_filter"
2949 uspp_filter_deps="gpl avcodec"
2950 vidstabdetect_filter_deps="libvidstab"
2951 vidstabtransform_filter_deps="libvidstab"
2952 zmq_filter_deps="libzmq"
2953 zoompan_filter_deps="swscale"
2954 zscale_filter_deps="libzimg"
2957 avcodec_example_deps="avcodec avutil"
2958 avio_dir_cmd="avformat avutil"
2959 avio_reading="avformat avcodec avutil"
2960 decoding_encoding_example_deps="avcodec avformat avutil"
2961 demuxing_decoding_example_deps="avcodec avformat avutil"
2962 extract_mvs_example_deps="avcodec avformat avutil"
2963 filter_audio_example_deps="avfilter avutil"
2964 filtering_audio_example_deps="avfilter avcodec avformat avutil"
2965 filtering_video_example_deps="avfilter avcodec avformat avutil"
2966 metadata_example_deps="avformat avutil"
2967 muxing_example_deps="avcodec avformat avutil swscale"
2968 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder vaapi_x11"
2969 remuxing_example_deps="avcodec avformat avutil"
2970 resampling_audio_example_deps="avutil swresample"
2971 scaling_video_example_deps="avutil swscale"
2972 transcode_aac_example_deps="avcodec avformat swresample"
2973 transcoding_example_deps="avfilter avcodec avformat avutil"
2975 # libraries, in linking order
2976 avcodec_deps="avutil"
2977 avdevice_deps="avformat avcodec avutil"
2978 avfilter_deps="avutil"
2979 avformat_deps="avcodec avutil"
2980 avresample_deps="avutil"
2981 postproc_deps="avutil gpl"
2982 swresample_deps="avutil"
2983 swscale_deps="avutil"
2986 ffmpeg_deps="avcodec avfilter avformat swresample"
2987 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
2989 setpts_filter trim_filter"
2990 ffplay_deps="avcodec avformat swscale swresample sdl"
2991 ffplay_libs='$sdl_libs'
2992 ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"
2993 ffprobe_deps="avcodec avformat"
2994 ffserver_deps="avformat fork sarestart"
2995 ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
2998 podpages_deps="perl"
2999 manpages_deps="perl pod2man"
3000 htmlpages_deps="perl"
3001 htmlpages_deps_any="makeinfo_html texi2html"
3002 txtpages_deps="perl makeinfo"
3003 doc_deps_any="manpages htmlpages podpages txtpages"
3005 # default parameters
3007 logfile="config.log"
3009 # installation paths
3010 prefix_default="/usr/local"
3011 bindir_default='${prefix}/bin'
3012 datadir_default='${prefix}/share/ffmpeg'
3013 docdir_default='${prefix}/share/doc/ffmpeg'
3014 incdir_default='${prefix}/include'
3015 libdir_default='${prefix}/lib'
3016 mandir_default='${prefix}/share/man'
3022 host_cc_default="gcc"
3024 doxygen_default="doxygen"
3029 pkg_config_default=pkg-config
3030 ranlib_default="ranlib"
3031 strip_default="strip"
3032 yasmexe_default="yasm"
3033 windres_default="windres"
3036 target_os_default=$(tolower $(uname -s))
3037 host_os=$target_os_default
3040 if test "$target_os_default" = aix; then
3041 arch_default=$(uname -p)
3042 strip_default="strip -X32_64"
3044 arch_default=$(uname -m)
3049 # configurable options
3050 enable $DOCUMENT_LIST
3056 enable faan faandct faanidct
3057 enable optimizations
3058 enable runtime_cpudetect
3059 enable safe_bitstream_reader
3061 enable swscale_alpha
3062 enable valgrind_backtrace
3064 sws_max_filter_size_default=256
3065 set_default sws_max_filter_size
3067 # Enable hwaccels by default.
3068 enable d3d11va dxva2 vaapi vda vdpau videotoolbox xvmc
3072 SHFLAGS='-shared -Wl,-soname,$$(@F)'
3075 FULLNAME='$(NAME)$(BUILDSUF)'
3076 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
3079 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
3080 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
3081 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
3082 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
3083 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
3084 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
3109 host_cflags_filter=echo
3110 host_ldflags_filter=echo
3112 target_path='$(CURDIR)'
3114 # since the object filename is not given with the -MM flag, the compiler
3115 # is only able to print the basename, and we must add the path ourselves
3116 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>/dev/null | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(@F),$(@D)/$(@F)," > $(@:.o=.d)'
3120 if test -f configure; then
3123 source_path=$(cd $(dirname "$0"); pwd)
3124 case "$source_path" in
3125 *[[:blank:]]*) die "Out of tree builds are impossible with whitespace in source path." ;;
3127 test -e "$source_path/config.h" &&
3128 die "Out of tree builds are impossible with config.h in source dir."
3135 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
3141 file=$source_path/$3
3142 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
3145 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
3146 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
3147 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
3148 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
3149 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
3150 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
3151 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
3152 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
3153 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
3154 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
3155 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
3171 enable $ARCH_EXT_LIST
3174 echo "Unknown option \"$1\"."
3175 echo "See $0 --help for available options."
3179 print_in_columns() {
3180 cols=$(expr $ncols / 24)
3181 cat | tr ' ' '\n' | sort | pr -r "-$cols" -w $ncols -t
3187 echo $* | sed s/$suffix//g | print_in_columns
3199 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
3200 echo "prob ${prob:-0.5}"
3208 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
3209 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
3218 --extra-ldexeflags=*)
3219 add_ldexeflags $optval
3221 --extra-ldlibflags=*)
3222 add_ldlibflags $optval
3225 add_extralibs $optval
3228 disable $INDEV_LIST $OUTDEV_LIST
3231 debuglevel="$optval"
3234 disable $PROGRAM_LIST
3236 --disable-everything)
3237 map 'eval disable \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3238 enable_deep_force $(filter_out avresample $LIBRARY_LIST) $PROGRAM_LIST
3241 map 'eval disable \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3242 disable $LIBRARY_LIST $PROGRAM_LIST doc
3245 --enable-random|--disable-random)
3246 action=${opt%%-random}
3247 do_random ${action#--} $COMPONENT_LIST
3249 --enable-random=*|--disable-random=*)
3250 action=${opt%%-random=*}
3251 do_random ${action#--} $optval
3253 --enable-*=*|--disable-*=*)
3254 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
3255 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
3256 eval list=\$$(toupper $thing)_LIST
3257 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
3258 test $action = enable && action="request"
3259 list=$(filter "$name" $list)
3260 [ "$list" = "" ] && warn "Option $opt did not match anything"
3263 --enable-?*|--disable-?*)
3264 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
3265 if is_in $option $COMPONENT_LIST; then
3266 test $action = enable && action="enable_deep_force"
3267 eval $action \$$(toupper ${option%s})_LIST
3268 elif is_in $option $CMDLINE_SELECT; then
3269 test $action = enable && action="request"
3276 NAME="${opt#--list-}"
3277 is_in $NAME $COMPONENT_LIST || die_unknown $opt
3279 eval show_list $NAME \$$(toupper $NAME)_LIST
3281 --help|-h) show_help
3283 --fatal-warnings) enable fatal_warnings
3286 optname="${opt%%=*}"
3287 optname="${optname#--}"
3288 optname=$(echo "$optname" | sed 's/-/_/g')
3289 if is_in $optname $CMDLINE_SET; then
3290 eval $optname='$optval'
3291 elif is_in $optname $CMDLINE_APPEND; then
3292 append $optname "$optval"
3304 disabled logging && logfile=/dev/null
3306 # Enable the default components if not disabled explicitly
3308 enable_weak $(filter_out avresample $LIBRARY_LIST) $PROGRAM_LIST
3310 # Disable all the library-specific components if the library itself
3311 # is disabled, see AVCODEC_LIST and following _LIST variables.
3313 disable_components(){
3314 disabled ${1} && disable_weak $(
3315 eval components="\$$(toupper ${1})_COMPONENTS"
3316 map 'eval echo \${$(toupper ${v%s})_LIST}' $components
3320 map 'disable_components $v' $LIBRARY_LIST
3322 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
3324 # Mark components that had not been enabled/disabled explicitly
3327 for n in $COMPONENT_LIST; do
3328 v=$(toupper ${n%s})_LIST
3329 eval enable_weak \$$v
3330 eval ${n}_if_any="\$$v"
3333 # Make so that disabled libraries are enabled if a component
3334 # of them is requested
3336 for n in $LIBRARY_LIST; do
3337 v=$(toupper ${n})_COMPONENTS
3338 eval ${n}_if_any="\$$v"
3341 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
3344 test -n "$valgrind" && toolchain="valgrind-memcheck"
3346 case "$toolchain" in
3348 cc_default="${toolchain%-asan}"
3349 add_cflags -fsanitize=address
3350 add_ldflags -fsanitize=address
3353 cc_default="${toolchain%-tsan}"
3354 add_cflags -fsanitize=thread -pie
3355 add_ldflags -fsanitize=thread -pie
3356 case "$toolchain" in
3364 cc_default="${toolchain%-usan}"
3365 add_cflags -fsanitize=undefined
3366 add_ldflags -fsanitize=undefined
3369 target_exec_default="valgrind"
3370 case "$toolchain" in
3372 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"
3375 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
3380 # Check whether the current MSVC version needs the C99 converter.
3381 # From MSVC 2013 (compiler major version 18) onwards, it does actually
3382 # support enough of C99 to build ffmpeg. Default to the new
3383 # behaviour if the regexp was unable to match anything, since this
3384 # successfully parses the version number of existing supported
3385 # versions that require the converter (MSVC 2010 and 2012).
3386 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
3387 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
3390 cc_default="c99wrap cl"
3392 ld_default="$source_path/compat/windows/mslink"
3393 nm_default="dumpbin -symbols"
3400 target_os_default="win32"
3401 # Use a relative path for TMPDIR. This makes sure all the
3402 # ffconf temp files are written with a relative path, avoiding
3403 # issues with msys/win32 path conversion for MSVC parameters
3404 # such as -Fo<file> or -out:<file>.
3410 nm_default="dumpbin -symbols"
3412 target_os_default="win32"
3416 add_cflags -fprofile-arcs -ftest-coverage
3417 add_ldflags -fprofile-arcs -ftest-coverage
3420 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
3421 add_cflags -fno-strict-overflow -fstack-protector-all
3422 add_ldflags -Wl,-z,relro -Wl,-z,now
3425 die "Unknown toolchain $toolchain"
3429 test -n "$cross_prefix" && enable cross_compile
3431 if enabled cross_compile; then
3432 test -n "$arch" && test -n "$target_os" ||
3433 die "Must specify target arch and OS when cross-compiling"
3436 ar_default="${cross_prefix}${ar_default}"
3437 cc_default="${cross_prefix}${cc_default}"
3438 cxx_default="${cross_prefix}${cxx_default}"
3439 nm_default="${cross_prefix}${nm_default}"
3440 pkg_config_default="${cross_prefix}${pkg_config_default}"
3441 if ${cross_prefix}${ranlib_default} 2>&1 | grep -q "\-D "; then
3442 ranlib_default="${cross_prefix}${ranlib_default} -D"
3444 ranlib_default="${cross_prefix}${ranlib_default}"
3446 strip_default="${cross_prefix}${strip_default}"
3447 windres_default="${cross_prefix}${windres_default}"
3449 sysinclude_default="${sysroot}/usr/include"
3451 set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \
3452 target_exec target_os yasmexe
3453 enabled cross_compile || host_cc_default=$cc
3456 pkg_config_fail_message=""
3457 if ! $pkg_config --version >/dev/null 2>&1; then
3458 warn "$pkg_config not found, library detection may fail."
3460 elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then
3461 pkg_config_fail_message="
3462 Note: When building a static binary, add --pkg-config-flags=\"--static\"."
3465 if test $doxygen != $doxygen_default && \
3466 ! $doxygen --version >/dev/null 2>&1; then
3467 warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."
3472 mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
3476 EXESUF=$(exesuf $target_os)
3477 HOSTEXESUF=$(exesuf $host_os)
3479 # set temporary file name
3480 : ${TMPDIR:=$TEMPDIR}
3484 if [ -n "$tempprefix" ] ; then
3486 echo $tempprefix.${HOSTNAME}.${UID}
3488 elif ! check_cmd mktemp -u XXXXXX; then
3489 # simple replacement for missing mktemp
3490 # NOT SAFE FOR GENERAL USE
3492 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
3497 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
3498 (set -C; exec > $tmp) 2>/dev/null ||
3499 die "Unable to create temporary file in $TMPDIR."
3500 append TMPFILES $tmp
3504 trap 'rm -f -- $TMPFILES' EXIT
3509 tmpfile TMPE $EXESUF
3521 # make sure we can execute files in $TMPDIR
3522 cat > $TMPSH 2>> $logfile <<EOF
3525 chmod +x $TMPSH >> $logfile 2>&1
3526 if ! $TMPSH >> $logfile 2>&1; then
3528 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
3529 variable to another directory and make sure that it is not mounted noexec.
3531 die "Sanity test failed."
3537 # Filter out MSVC cl.exe options from cflags that shouldn't
3538 # be passed to gas-preprocessor
3548 -std=c99) echo -c99 ;;
3549 -mcpu=*) echo -arch ${flag#*=} ;;
3550 -mieee) echo -ieee ;;
3551 -O*|-fast) echo $flag ;;
3552 -fno-math-errno) echo -assume nomath_errno ;;
3554 -Wall) echo -msg_enable level2 ;;
3555 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
3556 -Wl,*) echo $flag ;;
3566 -Wno-switch) echo -Wno-switch-enum ;;
3567 -Wno-format-zero-length) ;;
3568 -Wdisabled-optimization) ;;
3569 -Wno-pointer-sign) echo -Wno-other ;;
3575 msvc_common_flags(){
3578 # In addition to specifying certain flags under the compiler
3579 # specific filters, they must be specified here as well or else the
3580 # generic catch all at the bottom will print the original flag.
3584 -fomit-frame-pointer) ;;
3588 -fno-signed-zeros) ;;
3592 -lz) echo zlib.lib ;;
3593 -lavifil32) echo vfw32.lib ;;
3594 -lavicap32) echo vfw32.lib user32.lib ;;
3595 -lx264) echo libx264.lib ;;
3596 -l*) echo ${flag#-l}.lib ;;
3597 -LARGEADDRESSAWARE) echo $flag ;;
3598 -L*) echo -libpath:${flag#-L} ;;
3605 msvc_common_flags "$@"
3608 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
3609 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
3610 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
3612 -wd4273 -wd4554 -wd4701 ;;
3618 msvc_common_flags "$@"
3621 # Despite what Intel's documentation says -Wall, which is supported
3622 # on Windows, does enable remarks so disable them here.
3623 -Wall) echo $flag -Qdiag-disable:remark ;;
3624 -std=c99) echo -Qstd=c99 ;;
3642 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
3643 -fomit-frame-pointer) echo -Mnoframe ;;
3654 case "${flag#*=}" in
3655 native) echo -xtarget=native ;;
3656 v9|niagara) echo -xarch=sparc ;;
3657 ultrasparc) echo -xarch=sparcvis ;;
3658 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
3659 i586|pentium) echo -xchip=pentium ;;
3660 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
3661 pentium3*|c3-2) echo -xtarget=pentium3 ;;
3662 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
3663 pentium4*) echo -xtarget=pentium4 ;;
3664 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
3665 *-sse3) echo -xarch=sse3 ;;
3666 core2) echo -xarch=ssse3 -xchip=core2 ;;
3667 bonnell) echo -xarch=ssse3 ;;
3668 corei7|nehalem) echo -xtarget=nehalem ;;
3669 westmere) echo -xtarget=westmere ;;
3670 silvermont) echo -xarch=sse4_2 ;;
3671 corei7-avx|sandybridge) echo -xtarget=sandybridge ;;
3672 core-avx*|ivybridge|haswell|broadwell)
3674 amdfam10|barcelona) echo -xtarget=barcelona ;;
3675 btver1) echo -xarch=amdsse4a ;;
3676 btver2|bdver*) echo -xarch=avx ;;
3677 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
3678 k8|opteron|athlon64|athlon-fx)
3679 echo -xarch=sse2a ;;
3680 athlon*) echo -xarch=pentium_proa ;;
3683 -std=c99) echo -xc99 ;;
3684 -fomit-frame-pointer) echo -xregs=frameptr ;;
3685 -fPIC) echo -KPIC -xcode=pic32 ;;
3686 -W*,*) echo $flag ;;
3687 -f*-*|-W*|-mimpure-text) ;;
3698 case "${flag#*=}" in
3699 armv7-a|cortex-a*) echo -mv=7a8 ;;
3700 armv7-r|cortex-r*) echo -mv=7r4 ;;
3701 armv7-m|cortex-m*) echo -mv=7m3 ;;
3702 armv6*|arm11*) echo -mv=6 ;;
3703 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
3705 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
3708 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
3709 -mfpu=vfp) echo --float_support=vfpv2 ;;
3710 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
3711 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
3712 -msoft-float) echo --float_support=vfplib ;;
3713 -O[0-3]|-mf=*) echo $flag ;;
3715 -pds=*) echo $flag ;;
3716 -D*|-I*) echo $flag ;;
3717 --gcc|--abi=*) echo $flag ;;
3728 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
3729 unset _ld_o _ldflags _ld_lib _ld_path
3730 unset _depflags _DEPCMD _DEPFLAGS
3733 if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
3734 true # no-op to avoid reading stdin in following checks
3735 elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
3737 gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')
3738 _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"
3739 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3742 elif $_cc -v 2>&1 | grep -qi ^gcc; then
3744 gcc_version=$($_cc --version | head -n1)
3745 gcc_basever=$($_cc -dumpversion)
3746 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
3747 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
3748 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
3749 case $gcc_basever in
3752 *) _depflags='-MMD -MF $(@:.o=.d) -MT $@' ;;
3754 if [ "$first" = true ]; then
3755 case $gcc_basever in
3757 warn "gcc 4.2 is outdated and may miscompile FFmpeg. Please use a newer compiler." ;;
3762 elif $_cc --version 2>/dev/null | grep -q ^icc; then
3764 _ident=$($_cc --version | head -n1)
3769 _flags_filter=icc_flags
3770 elif $_cc -v 2>&1 | grep -q xlc; then
3772 _ident=$($_cc -qversion 2>/dev/null | head -n1)
3774 _cflags_size='-O5 -qcompact'
3775 elif $_cc -V 2>/dev/null | grep -q Compaq; then
3777 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
3779 _cflags_speed='-fast'
3781 _flags_filter=ccc_flags
3782 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
3783 test -d "$sysroot" || die "No valid sysroot specified."
3785 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
3786 armcc_conf="$PWD/armcc.conf"
3787 $_cc --arm_linux_configure \
3788 --arm_linux_config_file="$armcc_conf" \
3789 --configure_sysroot="$sysroot" \
3790 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
3791 die "Error creating armcc configuration file."
3792 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
3793 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
3794 as_default="${cross_prefix}gcc"
3798 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
3800 _ident=$($_cc -version | head -n1 | tr -s ' ')
3801 _flags='--gcc --abi=eabi -me'
3804 _depflags='-ppa -ppd=$(@:.o=.d)'
3805 _cflags_speed='-O3 -mf=5'
3806 _cflags_size='-O3 -mf=2'
3807 _flags_filter=tms470_flags
3808 elif $_cc -v 2>&1 | grep -q clang; then
3810 _ident=$($_cc --version 2>/dev/null | head -n1)
3811 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3814 elif $_cc -V 2>&1 | grep -q Sun; then
3816 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
3817 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3818 _DEPFLAGS='-xM1 -xc99'
3821 _cflags_size='-O5 -xspace'
3822 _flags_filter=suncc_flags
3823 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
3825 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3826 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3829 _flags_filter='filter_out -Wdisabled-optimization'
3830 elif $_cc -v 2>&1 | grep -q Open64; then
3832 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3833 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3836 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3837 elif $_cc -V 2>&1 | grep -q Portland; then
3839 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3840 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3841 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3842 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3844 _flags_filter=pgi_flags
3845 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
3847 _ident=$($_cc | head -n1)
3848 # 4509: "This form of conditional instruction is deprecated"
3849 _flags="-nologo -ignore 4509"
3850 _flags_filter=armasm_flags
3851 elif $_cc 2>&1 | grep -q Intel; then
3853 _ident=$($_cc 2>&1 | head -n1)
3854 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3855 # Not only is O3 broken on 13.x+ but it is slower on all previous
3856 # versions (tested) as well.
3858 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3859 if $_cc 2>&1 | grep -q Linker; then
3866 _flags_filter=icl_flags
3868 _ld_path='-libpath:'
3869 # -Qdiag-error to make icl error when seeing certain unknown arguments
3870 _flags='-nologo -Qdiag-error:4044,10157'
3871 # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency
3872 # with MSVC which enables it by default.
3873 _cflags='-D_USE_MATH_DEFINES -Qms0 -Qvec- -Qsimd- -GS -fp:precise'
3875 elif $_cc -nologo- 2>&1 | grep -q Microsoft; then
3877 _ident=$($_cc 2>&1 | head -n1)
3878 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3879 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3882 if $_cc -nologo- 2>&1 | grep -q Linker; then
3889 _flags_filter=msvc_flags
3891 _ld_path='-libpath:'
3893 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS'
3895 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3897 _ident=$($_cc --version | head -n1)
3901 _flags_filter=cparser_flags
3904 eval ${pfx}_type=\$_type
3905 eval ${pfx}_ident=\$_ident
3909 eval ${1}_C=\${_cc_c-\${${1}_C}}
3910 eval ${1}_E=\${_cc_e-\${${1}_E}}
3911 eval ${1}_O=\${_cc_o-\${${1}_O}}
3913 if [ -n "$_depflags" ]; then
3914 eval ${1}_DEPFLAGS=\$_depflags
3916 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3917 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3918 eval DEP${1}FLAGS=\$_flags
3922 probe_cc cc "$cc" "true"
3923 cflags_filter=$_flags_filter
3924 cflags_speed=$_cflags_speed
3925 cflags_size=$_cflags_size
3926 cflags_noopt=$_cflags_noopt
3927 add_cflags $_flags $_cflags
3928 cc_ldflags=$_ldflags
3931 probe_cc hostcc "$host_cc"
3932 host_cflags_filter=$_flags_filter
3933 add_host_cflags $_flags $_cflags
3936 test -n "$cc_type" && enable $cc_type ||
3937 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3939 : ${as_default:=$cc}
3940 : ${objcc_default:=$cc}
3941 : ${dep_cc_default:=$cc}
3942 : ${ld_default:=$cc}
3943 : ${host_ld_default:=$host_cc}
3944 set_default ar as objcc dep_cc ld host_ld windres
3947 asflags_filter=$_flags_filter
3948 add_asflags $_flags $_cflags
3951 probe_cc objcc "$objcc"
3952 objcflags_filter=$_flags_filter
3953 add_objcflags $_flags $_cflags
3957 ldflags_filter=$_flags_filter
3958 add_ldflags $_flags $_ldflags
3959 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3961 LD_LIB=${_ld_lib-$LD_LIB}
3962 LD_PATH=${_ld_path-$LD_PATH}
3964 probe_cc hostld "$host_ld"
3965 host_ldflags_filter=$_flags_filter
3966 add_host_ldflags $_flags $_ldflags
3967 HOSTLD_O=${_ld_o-$HOSTLD_O}
3969 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3970 probe_cc depcc "$dep_cc"
3971 CCDEP=${_DEPCMD:-$DEPCMD}
3972 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3976 if $ar 2>&1 | grep -q Microsoft; then
3979 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3982 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3983 arflags='-Xany -r -c'
3985 elif $ar 2>&1 | grep -q "\[D\] "; then
3993 add_cflags $extra_cflags
3994 add_cxxflags $extra_cxxflags
3995 add_objcflags $extra_objcflags
3996 add_asflags $extra_cflags
3998 if test -n "$sysroot"; then
4001 add_cppflags --sysroot="$sysroot"
4002 add_ldflags --sysroot="$sysroot"
4003 # On Darwin --sysroot may be ignored, -isysroot always affects headers and linking
4004 add_cppflags -isysroot "$sysroot"
4005 add_ldflags -isysroot "$sysroot"
4008 add_cppflags -I"$sysinclude"
4009 add_ldflags --sysroot="$sysroot"
4014 if test "$cpu" = host; then
4015 enabled cross_compile &&
4016 die "--cpu=host makes no sense when cross-compiling."
4021 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
4023 s/.*$1=\\([^ ]*\\).*/\\1/
4028 cpu=$(check_native -march || check_native -mcpu)
4032 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
4033 sed -n "/cc1.*-target-cpu /{
4034 s/.*-target-cpu \\([^ ]*\\).*/\\1/
4039 cpu=$(check_native -march)
4043 test "${cpu:-host}" = host &&
4044 die "--cpu=host not supported with compiler $cc"
4047 # Deal with common $arch aliases
4071 "Power Macintosh"|ppc*|powerpc*)
4086 i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
4091 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
4094 # Add processor-specific flags
4095 if enabled aarch64; then
4099 cpuflags="-march=$cpu"
4102 cpuflags="-mcpu=$cpu"
4106 elif enabled alpha; then
4108 cpuflags="-mcpu=$cpu"
4110 elif enabled arm; then
4113 check_cpp_condition stddef.h \
4114 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
4119 if check_arm_arch 4; then echo armv4;
4120 elif check_arm_arch 4T; then echo armv4t;
4121 elif check_arm_arch 5; then echo armv5;
4122 elif check_arm_arch 5E; then echo armv5e;
4123 elif check_arm_arch 5T; then echo armv5t;
4124 elif check_arm_arch 5TE; then echo armv5te;
4125 elif check_arm_arch 5TEJ; then echo armv5te;
4126 elif check_arm_arch 6; then echo armv6;
4127 elif check_arm_arch 6J; then echo armv6j;
4128 elif check_arm_arch 6K; then echo armv6k;
4129 elif check_arm_arch 6Z; then echo armv6z;
4130 elif check_arm_arch 6ZK; then echo armv6zk;
4131 elif check_arm_arch 6T2; then echo armv6t2;
4132 elif check_arm_arch 7; then echo armv7;
4133 elif check_arm_arch 7A 7_A; then echo armv7-a;
4134 elif check_arm_arch 7S; then echo armv7-a;
4135 elif check_arm_arch 7R 7_R; then echo armv7-r;
4136 elif check_arm_arch 7M 7_M; then echo armv7-m;
4137 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
4138 elif check_arm_arch 8A 8_A; then echo armv8-a;
4142 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
4146 cpuflags="-march=$cpu"
4147 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
4150 cpuflags="-mcpu=$cpu"
4152 cortex-a*) subarch=armv7a ;;
4153 cortex-r*) subarch=armv7r ;;
4154 cortex-m*) enable thumb; subarch=armv7m ;;
4155 arm11*) subarch=armv6 ;;
4156 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
4157 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
4158 *) subarch=$(probe_arm_arch) ;;
4164 armv5t*) enable fast_clz ;;
4167 disabled fast_unaligned || enable fast_unaligned
4171 elif enabled avr32; then
4176 cpuflags="-mpart=$cpu"
4180 cpuflags="-march=$cpu"
4184 cpuflags="-mcpu=$cpu"
4188 cpuflags="-march=$cpu"
4192 elif enabled bfin; then
4194 cpuflags="-mcpu=$cpu"
4196 elif enabled mips; then
4198 cpuflags="-march=$cpu"
4226 24kef*|34kf*|1004kf*)
4252 check_cflags "-mtune=p5600" &&
4253 check_cflags "-mfp64 -msched-weight -mload-store-pairs -funroll-loops" &&
4254 add_asflags "-mfp64"
4262 check_cflags "-mtune=i6400 -mabi=64" &&
4263 check_cflags "-mfp64 -msched-weight -mload-store-pairs -funroll-loops" &&
4264 check_ldflags "-mabi=64" &&
4265 add_asflags "-mfp64"
4276 enable local_aligned_8 local_aligned_16 local_aligned_32
4277 enable simd_align_16
4281 enable fast_unaligned
4282 disable aligned_stack
4285 cpuflags="-march=loongson3a -mhard-float -fno-expensive-optimizations"
4288 cpuflags="-march=loongson2e -mhard-float -fno-expensive-optimizations"
4291 cpuflags="-march=loongson2f -mhard-float -fno-expensive-optimizations"
4300 # Unknown CPU. Disable everything.
4301 warn "unknown CPU. Disabling all MIPS optimizations."
4313 elif enabled ppc; then
4317 case $(tolower $cpu) in
4318 601|ppc601|powerpc601)
4319 cpuflags="-mcpu=601"
4322 603*|ppc603*|powerpc603*)
4323 cpuflags="-mcpu=603"
4326 604*|ppc604*|powerpc604*)
4327 cpuflags="-mcpu=604"
4330 g3|75*|ppc75*|powerpc75*)
4331 cpuflags="-mcpu=750"
4334 g4|745*|ppc745*|powerpc745*)
4335 cpuflags="-mcpu=7450"
4338 74*|ppc74*|powerpc74*)
4339 cpuflags="-mcpu=7400"
4342 g5|970|ppc970|powerpc970)
4343 cpuflags="-mcpu=970"
4347 cpuflags="-mcpu=$cpu"
4351 cpuflags="-mcpu=$cpu"
4354 cpuflags="-mcpu=cell"
4359 cpuflags="-mcpu=e500mc"
4363 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
4368 cpuflags="-mcpu=8540 -mhard-float"
4374 elif enabled sparc; then
4377 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
4378 cpuflags="-mcpu=$cpu"
4380 ultrasparc*|niagara[234])
4381 cpuflags="-mcpu=$cpu"
4385 elif enabled x86; then
4389 cpuflags="-march=$cpu"
4393 # targets that do NOT support nopl and conditional mov (cmov)
4394 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
4395 cpuflags="-march=$cpu"
4398 # targets that do support nopl and conditional mov (cmov)
4399 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\
4400 |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|amdfam10|barcelona|b[dt]ver*)
4401 cpuflags="-march=$cpu"
4405 # targets that do support conditional mov but on which it's slow
4406 pentium4|pentium4m|prescott|nocona)
4407 cpuflags="-march=$cpu"
4415 if [ "$cpu" != generic ]; then
4416 add_cflags $cpuflags
4417 add_asflags $cpuflags
4418 test "$cc_type" = "$ld_type" && add_ldflags $cpuflags
4421 # compiler sanity check
4423 int main(void){ return 0; }
4425 if test "$?" != 0; then
4426 echo "$cc is unable to create an executable file."
4427 if test -z "$cross_prefix" && ! enabled cross_compile ; then
4428 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
4429 echo "Only do this if you know what cross compiling means."
4431 die "C compiler test failed."
4434 add_cppflags -D_ISOC99_SOURCE
4435 add_cxxflags -D__STDC_CONSTANT_MACROS
4436 check_cflags -std=c99
4437 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
4440 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
4444 add_host_cppflags -D_ISOC99_SOURCE
4445 check_host_cflags -std=c99
4446 check_host_cflags -Wall
4447 check_host_cflags -O3
4453 check_code cc "" "int test[2*($expr) - 1]" &&
4454 subarch=$arch64 || subarch=$arch32
4462 check_64bit mips mips64 '_MIPS_SIM > 1'
4466 check_64bit parisc parisc64 'sizeof(void *) > 4'
4470 check_64bit ppc ppc64 'sizeof(void *) > 4'
4474 check_64bit s390 s390x 'sizeof(void *) > 4'
4478 check_64bit sparc sparc64 'sizeof(void *) > 4'
4482 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
4483 # Treat x32 as x64 for now. Note it also needs spic=$shared
4484 test "$subarch" = "x86_32" && check_cpp_condition stddef.h 'defined(__x86_64__)' &&
4486 if test "$subarch" = "x86_64"; then
4491 check_cc <<EOF && subarch="ppc64"
4492 int test[(int)sizeof(char*) - 7];
4498 enabled spic && enable_weak pic
4504 add_cppflags '-I\$(SRC_PATH)/compat/aix'
4505 enabled shared && add_ldflags -Wl,-brtl
4509 enable section_data_rel_ro
4510 SLIB_INSTALL_NAME='$(SLIBNAME)'
4512 SHFLAGS='-shared -Wl,-soname,$(SLIBNAME)'
4515 prefix_default="/boot/common"
4516 network_extralibs="-lnetwork"
4520 SHFLAGS='-shared -Wl,-h,$$(@F)'
4521 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
4522 network_extralibs="-lsocket -lnsl"
4523 add_cppflags -D__EXTENSIONS__
4524 # When using suncc to build, the Solaris linker will mark
4525 # an executable with each instruction set encountered by
4526 # the Solaris assembler. As our libraries contain their own
4527 # guards for processor-specific code, instead suppress
4528 # generation of the HWCAPS ELF section on Solaris x86 only.
4529 enabled_all suncc x86 &&
4530 echo "hwcap_1 = OVERRIDE;" > mapfile &&
4531 add_ldflags -Wl,-M,mapfile
4532 nm_default='nm -P -g'
4533 SLIB_CREATE_DEF_CMD='$(Q)perl $(SRC_PATH)/compat/solaris/make_sunver.pl $$(filter %.ver,$$^) $(OBJS) | grep -v @ > $(SUBDIR)lib$(NAME).ver-sol2'
4537 oss_indev_extralibs="-lossaudio"
4538 oss_outdev_extralibs="-lossaudio"
4539 enabled gcc || check_ldflags -Wl,-zmuldefs
4544 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
4546 oss_indev_extralibs="-lossaudio"
4547 oss_outdev_extralibs="-lossaudio"
4555 add_extralibs -lpoll -lgnugetopt
4559 enabled ppc && add_asflags -force_cpusubtype_ALL
4560 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
4561 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
4563 add_ldflags -Wl,-dynamic,-search_paths_first
4565 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
4566 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
4568 enabled x86_64 && objformat="macho64"
4569 enabled_any pic shared x86_64 ||
4570 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
4573 die "Native MSYS builds are discouraged, please use the MINGW environment.";
4576 if test $target_os = "mingw32ce"; then
4581 decklink_outdev_extralibs="$decklink_outdev_extralibs -lole32 -loleaut32"
4582 decklink_indev_extralibs="$decklink_indev_extralibs -lole32 -loleaut32"
4584 if enabled x86_64; then
4585 LIBTARGET="i386:x86-64"
4586 elif enabled arm; then
4589 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
4590 enabled x86_32 && check_ldflags -Wl,--large-address-aware
4591 shlibdir_default="$bindir_default"
4594 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4595 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4596 dlltool="${cross_prefix}dlltool"
4597 if check_cmd lib.exe -list; then
4598 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4599 if enabled x86_64; then
4602 elif check_cmd $dlltool --version; then
4603 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
4605 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4607 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4608 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4609 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--disable-auto-image-base'
4613 check_ldflags -Wl,--nxcompat,--dynamicbase
4614 # Lets work around some stupidity in binutils.
4615 # ld will strip relocations from executables even though we need them
4616 # for dynamicbase (ASLR). Using -pie does retain the reloc section
4617 # however ld then forgets what the entry point should be (oops) so we
4618 # have to manually (re)set it.
4619 if enabled x86_32; then
4620 add_ldexeflags -Wl,--pic-executable,-e,_mainCRTStartup
4621 elif enabled x86_64; then
4622 add_ldexeflags -Wl,--pic-executable,-e,mainCRTStartup
4623 check_ldflags -Wl,--high-entropy-va # binutils 2.25
4624 # Set image base >4GB for extra entropy with HEASLR
4625 add_ldexeflags -Wl,--image-base,0x140000000
4626 append SHFLAGS -Wl,--image-base,0x180000000
4631 if enabled shared; then
4632 # Link to the import library instead of the normal static library
4635 # Cannot build both shared and static libs with MSVC or icl.
4638 enabled x86_32 && check_ldflags -LARGEADDRESSAWARE
4639 shlibdir_default="$bindir_default"
4642 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4643 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4644 SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
4645 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4647 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4648 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4649 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4656 shlibdir_default="$bindir_default"
4659 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4660 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4661 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4663 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
4664 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
4667 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
4669 *-dos|freedos|opendos)
4670 network_extralibs="-lsocket"
4673 add_cppflags -U__STRICT_ANSI__
4677 enable section_data_rel_ro
4681 ranlib="echo ignoring ranlib"
4687 add_cppflags -D_GNU_SOURCE
4688 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
4689 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
4693 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
4694 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
4695 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
4696 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
4697 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
4698 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
4699 emxexp $(OBJS) >> $(SUBDIR)$(NAME).def'
4700 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
4701 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
4702 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
4704 enable_weak os2threads
4707 add_cppflags -D_BSD_SOURCE
4712 add_cppflags -D_QNX_SOURCE
4713 network_extralibs="-lsocket"
4718 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
4719 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
4720 add_ldflags -Wl,--target1-abs,--no-undefined \
4721 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
4722 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
4723 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
4724 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
4725 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
4728 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
4733 add_cppflags -D_C99_SNPRINTF_EXTENSION \
4734 -D_REENTRANT_SOURCE \
4735 -D_RESEARCH_SOURCE \
4738 add_compat strtod.o strtod=avpriv_strtod
4739 network_extralibs='-lbsd'
4740 exeobjs=compat/plan9/main.o
4747 die "Unknown OS '$target_os'."
4751 # test if creating links works
4752 link_dest=$(mktemp -u $TMPDIR/dest_XXXXXXXX)
4753 link_name=$(mktemp -u $TMPDIR/name_XXXXXXXX)
4755 $ln_s "$link_dest" "$link_name"
4756 touch "$link_dest/test_file"
4757 if [ "$source_path" != "." ] && ([ ! -d src ] || [ -L src ]) && [ -e "$link_name/test_file" ]; then
4758 # create link to source path
4759 [ -e src ] && rm src
4760 $ln_s "$source_path" src
4763 # creating directory links doesn't work
4764 # fall back to using the full source path
4765 source_link="$source_path"
4771 # determine libc flavour
4776 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
4777 if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
4778 eval ${pfx}libc_type=uclibc
4779 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4780 elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then
4781 eval ${pfx}libc_type=glibc
4782 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4783 # MinGW headers can be installed on Cygwin, so check for newlib first.
4784 elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
4785 eval ${pfx}libc_type=newlib
4786 add_${pfx}cppflags -U__STRICT_ANSI__
4787 # MinGW64 is backwards compatible with MinGW32, so check for it first.
4788 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
4789 eval ${pfx}libc_type=mingw64
4790 if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then
4791 add_compat msvcrt/snprintf.o
4792 add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
4794 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4795 eval test \$${pfx_no_}cc_type = "gcc" &&
4796 add_${pfx}cppflags -D__printf__=__gnu_printf__
4797 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" ||
4798 check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
4799 eval ${pfx}libc_type=mingw32
4800 check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
4801 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
4802 die "ERROR: MinGW32 runtime version must be >= 3.15."
4803 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4804 eval test \$${pfx_no_}cc_type = "gcc" &&
4805 add_${pfx}cppflags -D__printf__=__gnu_printf__
4806 elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
4807 eval ${pfx}libc_type=msvcrt
4808 if check_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then
4809 if [ "$pfx" = host_ ]; then
4810 add_host_cppflags -Dsnprintf=_snprintf
4812 add_compat strtod.o strtod=avpriv_strtod
4813 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
4814 _snprintf=avpriv_snprintf \
4815 vsnprintf=avpriv_vsnprintf
4818 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
4819 # 0x601 by default unless something else is set by the user.
4820 # This can easily lead to us detecting functions only present
4821 # in such new versions and producing binaries requiring windows 7.0.
4822 # Therefore explicitly set the default to XP unless the user has
4823 # set something else on the command line.
4824 # Don't do this if WINAPI_FAMILY is set and is set to a non-desktop
4825 # family. For these cases, configure is free to use any functions
4826 # found in the SDK headers by default. (Alternatively, we could force
4827 # _WIN32_WINNT to 0x0602 in that case.)
4828 check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||
4829 { check_${pfx}cpp <<EOF && add_${pfx}cppflags -D_WIN32_WINNT=0x0502; }
4830 #ifdef WINAPI_FAMILY
4831 #include <winapifamily.h>
4832 #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
4837 elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
4838 eval ${pfx}libc_type=klibc
4839 elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then
4840 eval ${pfx}libc_type=bionic
4841 elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then
4842 eval ${pfx}libc_type=solaris
4843 add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
4845 check_${pfx}cc <<EOF
4847 void *v = localtime_r;
4849 test "$?" != 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
4851 void *v = localtime_r;
4857 test -n "$libc_type" && enable libc_$libc_type
4859 test -n "$host_libc_type" && enable host_libc_$host_libc_type
4863 add_compat strtod.o strtod=avpriv_strtod
4867 # hacks for compiler/libc/os combinations
4869 if enabled_all tms470 libc_glibc; then
4870 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
4871 add_cppflags -D__USER_LABEL_PREFIX__=
4872 add_cppflags -D__builtin_memset=memset
4873 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
4874 add_cflags -pds=48 # incompatible redefinition of macro
4877 if enabled_all ccc libc_glibc; then
4878 add_ldflags -Wl,-z,now # calls to libots crash without this
4881 check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||
4882 add_cppflags '-I\$(SRC_PATH)/compat/float'
4885 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
4888 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
4890 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
4893 : ${shlibdir_default:="$libdir"}
4894 : ${pkgconfigdir_default:="$libdir/pkgconfig"}
4896 set_default $PATHS_LIST
4899 # we need to build at least one lib type
4900 if ! enabled_any static shared; then
4902 At least one library type must be built.
4903 Specify --enable-static to build the static libraries or --enable-shared to
4904 build the shared libraries as well. To only build the shared libraries specify
4905 --disable-static in addition to --enable-shared.
4910 die_license_disabled() {
4911 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
4914 die_license_disabled_gpl() {
4915 enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }
4918 die_license_disabled gpl frei0r
4919 die_license_disabled gpl libcdio
4920 die_license_disabled gpl librubberband
4921 die_license_disabled gpl libsmbclient
4922 die_license_disabled gpl libutvideo
4923 die_license_disabled gpl libvidstab
4924 die_license_disabled gpl libx264
4925 die_license_disabled gpl libx265
4926 die_license_disabled gpl libxavs
4927 die_license_disabled gpl libxvid
4928 die_license_disabled gpl x11grab
4930 die_license_disabled nonfree libfaac
4931 die_license_disabled nonfree nvenc
4932 enabled gpl && die_license_disabled_gpl nonfree libfdk_aac
4933 enabled gpl && die_license_disabled_gpl nonfree openssl
4935 die_license_disabled version3 gmp
4936 die_license_disabled version3 libopencore_amrnb
4937 die_license_disabled version3 libopencore_amrwb
4938 die_license_disabled version3 libsmbclient
4939 die_license_disabled version3 libvo_amrwbenc
4941 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
4943 disabled optimizations || check_cflags -fomit-frame-pointer
4946 disabled pic && return
4949 case "$target_os" in
4959 enabled pic && enable_weak_pic
4961 check_cc <<EOF || die "Symbol mangling check failed."
4964 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
4965 extern_prefix=${sym%%ff_extern*}
4967 check_cc <<EOF && enable_weak inline_asm
4968 void foo(void) { __asm__ volatile ("" ::); }
4972 for restrict_keyword in restrict __restrict__ __restrict; do
4973 check_cc <<EOF && _restrict=$restrict_keyword && break
4974 void foo(char * $restrict_keyword p);
4978 check_cc <<EOF && enable pragma_deprecated
4979 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
4982 check_cc <<EOF && enable attribute_packed
4983 struct { int x; } __attribute__((packed)) x;
4986 check_cc <<EOF && enable attribute_may_alias
4987 union { int x; } __attribute__((may_alias)) x;
4990 check_cc <<EOF || die "endian test failed"
4991 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
4993 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
4995 if ! enabled ppc64 || enabled bigendian; then
5000 log "check_gas using '$as' as AS"
5001 # :vararg is used on aarch64, arm and ppc altivec
5002 check_as <<EOF || return 1
5003 .macro m n, y:vararg=0
5008 # .altmacro is only used in arm asm
5009 ! enabled arm || check_as <<EOF || return 1
5016 if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then
5018 enabled_any arm aarch64 && nogas=die
5019 enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn
5023 arm*) gaspp_as_type=armasm; as_noop=-h ;;
5024 gcc) gaspp_as_type=gas ;;
5025 *) gaspp_as_type=$as_type ;;
5028 [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"
5030 test "${as#*gas-preprocessor.pl}" != "$as" ||
5031 check_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- ${as:=$cc} $as_noop &&
5032 gas="${gas:=gas-preprocessor.pl} -arch $arch -as-type $gaspp_as_type -- ${as:=$cc}"
5034 if ! check_gas ; then
5037 $nogas "GNU assembler not found, install/update gas-preprocessor"
5040 check_as <<EOF && enable as_func
5046 check_inline_asm inline_asm_labels '"1:\n"'
5048 check_inline_asm inline_asm_nonlocal_labels '"Label:\n"'
5050 if enabled aarch64; then
5051 enabled armv8 && check_insn armv8 'prfm pldl1strm, [x0]'
5052 # internal assembler in clang 3.3 does not support this instruction
5053 enabled neon && check_insn neon 'ext v0.8B, v0.8B, v1.8B, #1'
5054 enabled vfp && check_insn vfp 'fmadd d0, d0, d1, d2'
5056 map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM
5058 elif enabled alpha; then
5062 elif enabled arm; then
5064 enabled msvc && check_cpp_condition stddef.h "defined _M_ARMT" && enable thumb
5066 check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb
5067 float func(float a, float b){ return a+b; }
5070 enabled thumb && check_cflags -mthumb || check_cflags -marm
5072 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
5074 elif check_cpp_condition stddef.h "defined _M_ARM_FP && _M_ARM_FP >= 30"; then
5076 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__" && [ $target_os != darwin ]; then
5077 case "${cross_prefix:-$cc}" in
5078 *hardfloat*) enable vfp_args; fpabi=vfp ;;
5079 *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
5080 __asm__ (".eabi_attribute 28, 1");
5081 int main(void) { return 0; }
5084 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
5087 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
5088 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
5089 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
5090 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
5091 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
5092 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
5093 enabled setend && check_insn setend 'setend be'
5095 [ $target_os = linux ] || [ $target_os = android ] ||
5096 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
5099 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
5101 check_as <<EOF && enable as_dn_directive
5106 # llvm's integrated assembler supports .object_arch from llvm 3.5
5107 [ "$objformat" = elf ] && check_as <<EOF && enable as_object_arch
5111 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
5113 elif enabled mips; then
5115 enabled loongson2 && check_inline_asm loongson2 '"dmult.g $8, $9, $10"'
5116 enabled loongson3 && check_inline_asm loongson3 '"gsldxc1 $f0, 0($2, $3)"'
5117 enabled mmi && check_inline_asm mmi '"punpcklhw $f0, $f0, $f0"'
5119 # Enable minimum ISA based on selected options
5120 if enabled mips64 && (enabled mipsdsp || enabled mipsdspr2); then
5121 add_cflags "-mips64r2"
5122 add_asflags "-mips64r2"
5123 elif enabled mips64 && enabled mipsfpu && disabled loongson2 && disabled loongson3; then
5124 add_cflags "-mips64"
5125 add_asflags "-mips64"
5126 elif enabled mipsdsp || enabled mipsdspr2; then
5127 add_cflags "-mips32r2 -mfp32"
5128 add_asflags "-mips32r2 -mfp32"
5131 enabled mipsdsp && add_cflags "-mdsp" && add_asflags "-mdsp" &&
5132 check_inline_asm mipsdsp '"addu.qb $t0, $t1, $t2"'
5133 enabled mipsdspr2 && add_cflags "-mdspr2" && add_asflags "-mdspr2" &&
5134 check_inline_asm mipsdspr2 '"absq_s.qb $t0, $t1"'
5135 enabled mipsfpu && add_cflags "-mhard-float" && add_asflags "-mhard-float" &&
5136 check_inline_asm mipsfpu '"madd.d $f0, $f2, $f4, $f6"'
5137 enabled msa && check_cflags "-mmsa" && check_ldflags "-mmsa" &&
5138 check_inline_asm msa '"addvi.b $w0, $w1, 1"'
5140 enabled msa && add_asflags "-mmsa"
5142 elif enabled parisc; then
5144 if enabled gcc; then
5145 case $($cc -dumpversion) in
5146 4.[3-9].*) check_cflags -fno-optimize-sibling-calls ;;
5150 elif enabled ppc; then
5152 enable local_aligned_8 local_aligned_16 local_aligned_32
5154 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
5155 check_inline_asm ibm_asm '"add 0, 0, 0"'
5156 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
5157 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
5159 # AltiVec flags: The FSF version of GCC differs from the Apple version
5160 if enabled altivec; then
5161 check_cflags -maltivec -mabi=altivec &&
5162 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
5163 check_cflags -faltivec
5165 # check if our compiler supports Motorola AltiVec C API
5166 check_cc <<EOF || disable altivec
5169 vector signed int v1 = (vector signed int) { 0 };
5170 vector signed int v2 = (vector signed int) { 1 };
5171 v1 = vec_add(v1, v2);
5176 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
5179 if enabled vsx; then
5180 check_cflags -mvsx &&
5181 check_builtin vec_vsx_ld "altivec.h" "__builtin_vec_vsx_ld" || disable vsx
5184 if enabled power8; then
5185 check_cpp_condition "altivec.h" "defined(_ARCH_PWR8)" || disable power8
5188 elif enabled x86; then
5190 check_builtin rdtsc intrin.h "__rdtsc()"
5191 check_builtin mm_empty mmintrin.h "_mm_empty()"
5193 enable local_aligned_8 local_aligned_16 local_aligned_32
5195 # check whether EBP is available on x86
5196 # As 'i' is stored on the stack, this program will crash
5197 # if the base pointer is used to access it because the
5198 # base pointer is cleared in the inline assembly code.
5199 check_exec_crash <<EOF && enable ebp_available
5201 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
5205 # check whether EBX is available on x86
5206 check_inline_asm ebx_available '""::"b"(0)' &&
5207 check_inline_asm ebx_available '"":::"%ebx"'
5209 # check whether xmm clobbers are supported
5210 check_inline_asm xmm_clobbers '"":::"%xmm0"'
5212 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' ||
5213 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"'
5215 # check whether binutils is new enough to compile SSSE3/MMXEXT
5216 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
5217 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
5219 if ! disabled_any asm mmx yasm; then
5220 if check_cmd $yasmexe --version; then
5221 enabled x86_64 && yasm_extra="-m amd64"
5222 yasm_debug="-g dwarf2"
5223 elif check_cmd nasm -v; then
5225 yasm_debug="-g -F dwarf"
5226 if enabled x86_64; then
5227 case "$objformat" in
5228 elf) objformat=elf64 ;;
5229 win32) objformat=win64 ;;
5234 YASMFLAGS="-f $objformat $yasm_extra"
5235 enabled pic && append YASMFLAGS "-DPIC"
5236 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
5237 case "$objformat" in
5238 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
5241 check_yasm "movbe ecx, [5]" && enable yasm ||
5242 die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."
5243 check_yasm "vextracti128 xmm0, ymm0, 0" || disable avx2_external
5244 check_yasm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external
5245 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
5246 check_yasm "CPU amdnop" || disable cpunop
5250 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
5257 check_code cc arm_neon.h "int16x8_t test = vdupq_n_s16(0)" && enable intrinsics_neon
5259 check_ldflags -Wl,--as-needed
5260 check_ldflags -Wl,-z,noexecstack
5262 if check_func dlopen; then
5264 elif check_func dlopen -ldl; then
5268 decklink_outdev_extralibs="$decklink_outdev_extralibs $ldl"
5269 decklink_indev_extralibs="$decklink_indev_extralibs $ldl"
5270 frei0r_filter_extralibs='$ldl'
5271 frei0r_src_filter_extralibs='$ldl'
5272 ladspa_filter_extralibs='$ldl'
5273 nvenc_encoder_extralibs='$ldl'
5275 if ! disabled network; then
5276 check_func getaddrinfo $network_extralibs
5277 check_func inet_aton $network_extralibs
5279 check_type netdb.h "struct addrinfo"
5280 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
5281 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
5282 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
5283 check_type poll.h "struct pollfd"
5284 check_type netinet/sctp.h "struct sctp_event_subscribe"
5285 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
5286 check_type netinet/in.h "struct sockaddr_in6"
5287 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
5288 check_type "sys/types.h sys/socket.h" socklen_t
5290 # Prefer arpa/inet.h over winsock2
5291 if check_header arpa/inet.h ; then
5292 check_func closesocket
5293 elif check_header winsock2.h ; then
5294 check_func_headers winsock2.h closesocket -lws2 &&
5295 network_extralibs="-lws2" ||
5296 { check_func_headers winsock2.h closesocket -lws2_32 &&
5297 network_extralibs="-lws2_32"; } || disable winsock2_h network
5298 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
5300 check_type ws2tcpip.h socklen_t
5301 check_type ws2tcpip.h "struct addrinfo"
5302 check_type ws2tcpip.h "struct group_source_req"
5303 check_type ws2tcpip.h "struct ip_mreq_source"
5304 check_type ws2tcpip.h "struct ipv6_mreq"
5305 check_type winsock2.h "struct pollfd"
5306 check_struct winsock2.h "struct sockaddr" sa_len
5307 check_type ws2tcpip.h "struct sockaddr_in6"
5308 check_type ws2tcpip.h "struct sockaddr_storage"
5314 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
5315 check_builtin atomic_compare_exchange "" "int *ptr, *oldval; int newval; __atomic_compare_exchange_n(ptr, oldval, newval, 0, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST)"
5316 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
5317 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
5318 check_builtin sarestart signal.h "SA_RESTART"
5319 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
5320 check_builtin gmtime_r time.h "time_t *time; struct tm *tm; gmtime_r(time, tm)"
5321 check_builtin localtime_r time.h "time_t *time; struct tm *tm; localtime_r(time, tm)"
5323 case "$custom_allocator" in
5325 # jemalloc by default does not use a prefix
5326 require libjemalloc jemalloc/jemalloc.h malloc -ljemalloc
5329 require_pkg_config libtcmalloc gperftools/tcmalloc.h tc_malloc
5334 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
5335 check_func ${malloc_prefix}memalign && enable memalign
5336 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
5339 check_func arc4random
5340 check_func_headers time.h clock_gettime || { check_func_headers time.h clock_gettime -lrt && add_extralibs -lrt && LIBRT="-lrt"; }
5343 check_func gethrtime
5345 check_func getrusage
5346 check_func gettimeofday
5348 check_func mach_absolute_time
5352 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
5353 check_func_headers time.h nanosleep || { check_func_headers time.h nanosleep -lrt && add_extralibs -lrt && LIBRT="-lrt"; }
5354 check_func sched_getaffinity
5355 check_func setrlimit
5356 check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE
5357 check_func strerror_r
5362 check_func_headers conio.h kbhit
5363 check_func_headers io.h setmode
5364 check_func_headers lzo/lzo1x.h lzo1x_999_compress
5365 check_func_headers stdlib.h getenv
5366 check_func_headers sys/stat.h lstat
5368 check_func_headers windows.h CoTaskMemFree -lole32
5369 check_func_headers windows.h GetProcessAffinityMask
5370 check_func_headers windows.h GetProcessTimes
5371 check_func_headers windows.h GetSystemTimeAsFileTime
5372 check_func_headers windows.h MapViewOfFile
5373 check_func_headers windows.h PeekNamedPipe
5374 check_func_headers windows.h SetConsoleTextAttribute
5375 check_func_headers windows.h SetConsoleCtrlHandler
5376 check_func_headers windows.h Sleep
5377 check_func_headers windows.h VirtualAlloc
5378 check_struct windows.h "CONDITION_VARIABLE" Ptr
5379 check_func_headers glob.h glob
5381 check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext
5383 check_header direct.h
5384 check_header dirent.h
5385 check_header dlfcn.h
5386 check_header d3d11.h
5388 check_header dxva2api.h -D_WIN32_WINNT=0x0600
5390 check_header libcrystalhd/libcrystalhd_if.h
5391 check_header mach/mach_time.h
5392 check_header malloc.h
5393 check_header net/udplite.h
5395 check_header sys/mman.h
5396 check_header sys/param.h
5397 check_header sys/resource.h
5398 check_header sys/select.h
5399 check_header sys/time.h
5400 check_header sys/un.h
5401 check_header termios.h
5402 check_header unistd.h
5403 check_header valgrind/valgrind.h
5404 check_header vdpau/vdpau.h
5405 check_header vdpau/vdpau_x11.h
5406 check_header VideoDecodeAcceleration/VDADecoder.h
5407 check_header VideoToolbox/VideoToolbox.h
5408 check_header windows.h
5409 check_header X11/extensions/XvMClib.h
5410 check_header asm/types.h
5412 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
5413 check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32
5414 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
5415 check_lib "CoreServices/CoreServices.h" UTGetOSTypeFromString "-framework CoreServices"
5417 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
5419 check_type "windows.h dxva.h" "DXVA_PicParams_HEVC" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0
5420 check_type "windows.h dxva.h" "DXVA_PicParams_VP9" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0
5421 check_type "windows.h d3d11.h" "ID3D11VideoDecoder"
5422 check_type "windows.h d3d11.h" "ID3D11VideoContext"
5423 check_type "d3d9.h dxva2api.h" DXVA2_ConfigPictureDecode -D_WIN32_WINNT=0x0602
5425 check_type "va/va.h" "VAPictureParameterBufferHEVC"
5426 check_type "va/va.h" "VADecPictureParameterBufferVP9"
5428 check_type "vdpau/vdpau.h" "VdpPictureInfoHEVC"
5430 check_cpp_condition windows.h "!WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)" && enable winrt || disable winrt
5432 if ! disabled w32threads && ! enabled pthreads; then
5433 check_func_headers "windows.h process.h" _beginthreadex &&
5434 enable w32threads || disable w32threads
5435 if ! enabled w32threads && enabled winrt; then
5436 check_func_headers "windows.h" CreateThread &&
5437 enable w32threads || disable w32threads
5441 # check for some common methods of building with pthread support
5442 # do this before the optional library checks as some of them require pthreads
5443 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
5445 if check_func pthread_join -pthread && check_func pthread_create -pthread; then
5447 add_extralibs -pthread
5448 elif check_func pthread_join -pthreads && check_func pthread_create -pthreads; then
5449 add_cflags -pthreads
5450 add_extralibs -pthreads
5451 elif check_func pthread_join -ldl -pthread && check_func pthread_create -ldl -pthread; then
5452 add_cflags -ldl -pthread
5453 add_extralibs -ldl -pthread
5454 elif check_func pthread_join -lpthreadGC2 && check_func pthread_create -lpthreadGC2; then
5455 add_extralibs -lpthreadGC2
5456 elif check_lib pthread.h pthread_join -lpthread && check_lib pthread.h pthread_create -lpthread; then
5458 elif ! check_func pthread_join && ! check_func pthread_create; then
5461 check_code cc "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER" || disable pthreads
5465 if enabled pthreads; then
5466 check_func pthread_cancel
5469 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
5470 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
5471 disabled lzma || check_lib2 lzma.h lzma_version_number -llzma || disable lzma
5473 check_lib math.h sin -lm && LIBM="-lm"
5474 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
5482 for func in $MATH_FUNCS; do
5483 eval check_mathfunc $func \${${func}_args:-1}
5486 for func in $COMPLEX_FUNCS; do
5487 eval check_complexfunc $func \${${func}_args:-1}
5490 # these are off by default, so fail if requested and not available
5491 enabled avfoundation_indev && { check_header_objcc AVFoundation/AVFoundation.h || disable avfoundation_indev; }
5492 enabled avfoundation_indev && { check_lib2 CoreGraphics/CoreGraphics.h CGGetActiveDisplayList -framework CoreGraphics ||
5493 check_lib2 ApplicationServices/ApplicationServices.h CGGetActiveDisplayList -framework ApplicationServices; }
5494 enabled avisynth && { { check_lib2 "windows.h" LoadLibrary; } ||
5495 { check_lib2 "dlfcn.h" dlopen -ldl; } ||
5496 die "ERROR: LoadLibrary/dlopen not found for avisynth"; }
5497 enabled chromaprint && require chromaprint chromaprint.h chromaprint_get_version -lchromaprint
5498 enabled decklink && { check_header DeckLinkAPI.h || die "ERROR: DeckLinkAPI.h header not found"; }
5499 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
5500 enabled gmp && require2 gmp gmp.h mpz_export -lgmp
5501 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
5502 enabled ladspa && { check_header ladspa.h || die "ERROR: ladspa.h header not found"; }
5503 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
5504 enabled libass && require_pkg_config libass ass/ass.h ass_library_init
5505 enabled libbluray && require_pkg_config libbluray libbluray/bluray.h bd_open
5506 enabled libbs2b && require_pkg_config libbs2b bs2b.h bs2b_open
5507 enabled libcelt && require libcelt celt/celt.h celt_decode -lcelt0 &&
5508 { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
5509 die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
5510 enabled libcaca && require_pkg_config caca caca.h caca_create_canvas
5511 enabled libdcadec && require_pkg_config "dcadec >= 0.1.0" libdcadec/dca_context.h dcadec_context_create
5512 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
5513 enabled libfdk_aac && { use_pkg_config fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen ||
5514 { require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac &&
5515 warn "using libfdk without pkg-config"; } }
5516 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"
5517 enabled libflite && require2 libflite "flite/flite.h" flite_init $flite_libs
5518 enabled fontconfig && enable libfontconfig
5519 enabled libfontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
5520 enabled libfreetype && require_libfreetype
5521 enabled libfribidi && require_pkg_config fribidi fribidi.h fribidi_version_info
5522 enabled libgme && require libgme gme/gme.h gme_new_emu -lgme -lstdc++
5523 enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
5524 check_lib "${gsm_hdr}" gsm_create -lgsm && break;
5525 done || die "ERROR: libgsm not found"; }
5526 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
5527 enabled libkvazaar && require_pkg_config "kvazaar >= 0.8.1" kvazaar.h kvz_api_get
5528 enabled libmfx && require_pkg_config libmfx "mfx/mfxvideo.h" MFXInit
5529 enabled libmodplug && require_pkg_config libmodplug libmodplug/modplug.h ModPlug_Load
5530 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
5531 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
5532 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
5533 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
5534 enabled libopencv && { check_header opencv2/core/core_c.h &&
5535 require_pkg_config opencv opencv2/core/core_c.h cvCreateImageHeader ||
5536 require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader; }
5537 enabled libopenh264 && require_pkg_config openh264 wels/codec_api.h WelsGetCodecVersion
5538 enabled libopenjpeg && { check_lib openjpeg-2.1/openjpeg.h opj_version -lopenjp2 -DOPJ_STATIC ||
5539 check_lib openjpeg-2.0/openjpeg.h opj_version -lopenjp2 -DOPJ_STATIC ||
5540 check_lib openjpeg-1.5/openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||
5541 check_lib openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||
5542 die "ERROR: libopenjpeg not found"; }
5543 enabled libopus && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
5544 enabled libpulse && require_pkg_config libpulse pulse/pulseaudio.h pa_context_new
5545 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
5546 enabled librubberband && require_pkg_config "rubberband >= 1.8.1" rubberband/rubberband-c.h rubberband_new
5547 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
5548 enabled libshine && require_pkg_config shine shine/layer3.h shine_encode_buffer
5549 enabled libsmbclient && { use_pkg_config smbclient libsmbclient.h smbc_init ||
5550 require smbclient libsmbclient.h smbc_init -lsmbclient; }
5551 enabled libsnappy && require snappy snappy-c.h snappy_compress -lsnappy
5552 enabled libsoxr && require libsoxr soxr.h soxr_create -lsoxr && LIBSOXR="-lsoxr"
5553 enabled libssh && require_pkg_config libssh libssh/sftp.h sftp_init
5554 enabled libspeex && require_pkg_config speex speex/speex.h speex_decoder_init -lspeex
5555 enabled libtesseract && require_pkg_config tesseract tesseract/capi.h TessBaseAPICreate
5556 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
5557 enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame &&
5558 { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
5559 die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
5560 enabled libutvideo && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
5561 enabled libv4l2 && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
5562 enabled libvidstab && require_pkg_config "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit
5563 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
5564 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
5567 enabled libvpx_vp8_decoder && {
5568 use_pkg_config "vpx >= 0.9.1" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp8_dx ||
5569 check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
5570 die "ERROR: libvpx decoder version must be >=0.9.1";
5572 enabled libvpx_vp8_encoder && {
5573 use_pkg_config "vpx >= 0.9.7" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp8_cx ||
5574 check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VP8E_SET_MAX_INTRA_BITRATE_PCT" -lvpx ||
5575 die "ERROR: libvpx encoder version must be >=0.9.7";
5577 enabled libvpx_vp9_decoder && {
5578 use_pkg_config "vpx >= 1.3.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx ||
5579 check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx ||
5580 disable libvpx_vp9_decoder;
5582 enabled libvpx_vp9_encoder && {
5583 use_pkg_config "vpx >= 1.3.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx ||
5584 check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VP9E_SET_AQ_MODE" -lvpx ||
5585 disable libvpx_vp9_encoder;
5587 if disabled_all libvpx_vp8_decoder libvpx_vp9_decoder libvpx_vp8_encoder libvpx_vp9_encoder; then
5588 die "libvpx enabled but no supported decoders found"
5592 enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack
5593 enabled libwebp && {
5594 enabled libwebp_encoder && require_pkg_config "libwebp >= 0.2.0" webp/encode.h WebPGetEncoderVersion
5595 enabled libwebp_anim_encoder && { use_pkg_config "libwebpmux >= 0.4.0" webp/mux.h WebPAnimEncoderOptionsInit || disable libwebp_anim_encoder; } }
5596 enabled libx264 && { use_pkg_config x264 "stdint.h x264.h" x264_encoder_encode ||
5597 { require libx264 x264.h x264_encoder_encode -lx264 &&
5598 warn "using libx264 without pkg-config"; } } &&
5599 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
5600 die "ERROR: libx264 must be installed and version must be >= 0.118."; } &&
5601 { check_cpp_condition x264.h "X264_MPEG2" &&
5603 enabled libx265 && require_pkg_config x265 x265.h x265_api_get &&
5604 { check_cpp_condition x265.h "X265_BUILD >= 68" ||
5605 die "ERROR: libx265 version must be >= 68."; }
5606 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
5607 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
5608 enabled libzimg && require_pkg_config zimg zimg.h zimg_get_api_version
5609 enabled libzmq && require_pkg_config libzmq zmq.h zmq_ctx_new
5610 enabled libzvbi && require libzvbi libzvbi.h vbi_decoder_new -lzvbi &&
5611 { check_cpp_condition libzvbi.h "VBI_VERSION_MAJOR > 0 || VBI_VERSION_MINOR > 2 || VBI_VERSION_MINOR == 2 && VBI_VERSION_MICRO >= 28" ||
5612 enabled gpl || die "ERROR: libzvbi requires version 0.2.28 or --enable-gpl."; }
5613 enabled mmal && { check_lib interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ||
5614 { ! enabled cross_compile && {
5615 add_cflags -isystem/opt/vc/include/ -isystem/opt/vc/include/interface/vmcs_host/linux -isystem/opt/vc/include/interface/vcos/pthreads -fgnu89-inline ;
5616 add_extralibs -L/opt/vc/lib/ -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ;
5617 check_lib interface/mmal/mmal.h mmal_port_connect ; }
5618 check_lib interface/mmal/mmal.h mmal_port_connect ; } ||
5619 die "ERROR: mmal not found"; }
5621 (check_code cc interface/mmal/mmal.h "MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS" ||
5622 die "ERROR: mmal firmware headers too old")
5624 enabled netcdf && require_pkg_config netcdf netcdf.h nc_inq_libvers
5625 enabled nvenc && { check_header nvEncodeAPI.h || die "ERROR: nvEncodeAPI.h not found."; } &&
5626 { check_cpp_condition nvEncodeAPI.h "NVENCAPI_MAJOR_VERSION >= 5" ||
5627 die "ERROR: NVENC API version 4 or older is not supported"; } &&
5628 { [ $target_os != cygwin ] || die "ERROR: NVENC is not supported on Cygwin currently."; }
5629 enabled openal && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
5630 check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
5631 die "ERROR: openal not found"; } &&
5632 { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
5633 die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
5634 enabled opencl && { check_lib2 OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||
5635 check_lib2 CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||
5636 die "ERROR: opencl not found"; } &&
5637 { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||
5638 check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||
5639 die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }
5640 enabled opengl && { check_lib GL/glx.h glXGetProcAddress "-lGL" ||
5641 check_lib2 windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||
5642 check_lib2 OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||
5643 check_lib2 ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||
5644 die "ERROR: opengl not found."
5646 enabled openssl && { use_pkg_config openssl openssl/ssl.h SSL_library_init ||
5647 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
5648 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
5649 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
5650 die "ERROR: openssl not found"; }
5651 enabled qtkit_indev && { check_header_objcc QTKit/QTKit.h || disable qtkit_indev; }
5654 if enabled libdc1394; then
5655 { require_pkg_config libdc1394-2 dc1394/dc1394.h dc1394_new &&
5656 enable libdc1394_2; } ||
5657 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
5658 enable libdc1394_1; } ||
5659 die "ERROR: No version of libdc1394 found "
5662 if enabled gcrypt; then
5663 GCRYPT_CONFIG="${cross_prefix}libgcrypt-config"
5664 if "${GCRYPT_CONFIG}" --version > /dev/null 2>&1; then
5665 gcrypt_cflags=$("${GCRYPT_CONFIG}" --cflags)
5666 gcrypt_libs=$("${GCRYPT_CONFIG}" --libs)
5667 check_func_headers gcrypt.h gcry_mpi_new $gcrypt_cflags $gcrypt_libs ||
5668 die "ERROR: gcrypt not found"
5669 add_cflags $gcrypt_cflags && add_extralibs $gcrypt_libs
5671 require2 gcrypt gcrypt.h gcry_mpi_new -lgcrypt
5675 if ! disabled sdl; then
5676 SDL_CONFIG="${cross_prefix}sdl-config"
5677 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
5678 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
5679 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
5682 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
5683 sdl_cflags=$("${SDL_CONFIG}" --cflags)
5684 sdl_libs=$("${SDL_CONFIG}" --libs)
5685 check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
5686 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
5687 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
5689 elif enabled sdl ; then
5690 die "ERROR: SDL not found"
5695 if test $target_os = "mingw32"; then
5696 sdl_libs="$sdl_libs -mconsole"
5699 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
5701 disabled securetransport || { check_func SecIdentityCreate "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&
5702 check_lib2 "Security/SecureTransport.h Security/Security.h" "SSLCreateContext SecItemImport" "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&
5703 enable securetransport; }
5705 disabled schannel || { check_func_headers "windows.h Security.h" InitializeSecurityContext -DSECURITY_WIN32 -lSecur32 &&
5706 enable schannel && add_extralibs -lSecur32; }
5708 makeinfo --version > /dev/null 2>&1 && enable makeinfo || disable makeinfo
5710 && [ 0$(makeinfo --version | grep "texinfo" | sed 's/.*texinfo[^0-9]*\([0-9]*\)\..*/\1/') -ge 5 ] \
5711 && enable makeinfo_html || disable makeinfo_html
5712 disabled makeinfo_html && texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
5713 perl -v > /dev/null 2>&1 && enable perl || disable perl
5714 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
5715 rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout
5717 check_header linux/fb.h
5718 check_header linux/videodev.h
5719 check_header linux/videodev2.h
5720 check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete
5722 check_header sys/videoio.h
5723 check_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete
5725 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
5726 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
5727 # w32api 3.12 had it defined wrong
5728 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
5730 check_type "dshow.h" IBaseFilter
5732 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
5733 { check_header dev/bktr/ioctl_meteor.h &&
5734 check_header dev/bktr/ioctl_bt848.h; } ||
5735 { check_header machine/ioctl_meteor.h &&
5736 check_header machine/ioctl_bt848.h; } ||
5737 { check_header dev/video/meteor/ioctl_meteor.h &&
5738 check_header dev/video/bktr/ioctl_bt848.h; } ||
5739 check_header dev/ic/bt8xx.h
5741 check_header sndio.h
5742 if check_struct sys/soundcard.h audio_buf_info bytes; then
5743 enable_safe sys/soundcard.h
5745 check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
5746 #include <sys/soundcard.h>
5750 check_header soundcard.h
5752 enabled_any alsa_indev alsa_outdev &&
5753 check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
5755 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait &&
5756 check_func jack_port_get_latency_range -ljack
5758 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
5760 if enabled libcdio; then
5761 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
5762 check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
5763 die "ERROR: No usable libcdio/cdparanoia found"
5767 check_lib X11/Xlib.h XOpenDisplay -lX11 || disable xlib
5769 if ! disabled libxcb; then
5770 check_pkg_config "xcb >= 1.4" xcb/xcb.h xcb_connect || {
5771 enabled libxcb && die "ERROR: libxcb >= 1.4 not found";
5772 } && disable x11grab && enable libxcb
5774 if enabled libxcb; then
5775 disabled libxcb_shm || {
5776 check_pkg_config xcb-shm xcb/shm.h xcb_shm_attach || {
5777 enabled libxcb_shm && die "ERROR: libxcb_shm not found";
5778 } && check_header sys/shm.h && enable libxcb_shm; }
5780 disabled libxcb_xfixes || {
5781 check_pkg_config xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image || {
5782 enabled libxcb_xfixes && die "ERROR: libxcb_xfixes not found";
5783 } && enable libxcb_xfixes; }
5785 disabled libxcb_shape || {
5786 check_pkg_config xcb-shape xcb/shape.h xcb_shape_get_rectangles || {
5787 enabled libxcb_shape && die "ERROR: libxcb_shape not found";
5788 } && enable libxcb_shape; }
5790 add_cflags $xcb_cflags $xcb_shm_cflags $xcb_xfixes_cflags $xcb_shape_cflags
5791 add_extralibs $xcb_libs $xcb_shm_libs $xcb_xfixes_libs $xcb_shape_libs
5795 if enabled x11grab; then
5796 enabled xlib || die "ERROR: Xlib not found"
5797 require Xext X11/extensions/XShm.h XShmCreateImage -lXext
5798 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
5801 check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs"
5803 enabled dxva2api_h &&
5804 check_cc <<EOF && enable dxva2api_cobj
5805 #define _WIN32_WINNT 0x0600
5807 #include <windows.h>
5809 #include <dxva2api.h>
5810 int main(void) { IDirectXVideoDecoder *o = NULL; IDirectXVideoDecoder_Release(o); return 0; }
5814 check_lib va/va.h vaInitialize -lva ||
5817 enabled vaapi && enabled xlib &&
5818 check_lib2 "va/va.h va/va_x11.h" vaGetDisplay -lva -lva-x11 &&
5822 check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
5825 enabled vdpau && enabled xlib &&
5826 check_func_headers "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau &&
5827 prepend ffmpeg_libs $($ldflags_filter "-lvdpau") &&
5830 # Funny iconv installations are not unusual, so check it after all flags have been set
5831 disabled iconv || check_func_headers iconv.h iconv || check_lib2 iconv.h iconv -liconv || disable iconv
5833 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
5835 # add some useful compiler flags if supported
5836 check_cflags -Wdeclaration-after-statement
5838 check_cflags -Wdisabled-optimization
5839 check_cflags -Wpointer-arith
5840 check_cflags -Wredundant-decls
5841 check_cflags -Wwrite-strings
5842 check_cflags -Wtype-limits
5843 check_cflags -Wundef
5844 check_cflags -Wmissing-prototypes
5845 check_cflags -Wno-pointer-to-int-cast
5846 check_cflags -Wstrict-prototypes
5847 check_cflags -Wempty-body
5848 enabled extra_warnings && check_cflags -Winline
5849 enabled extra_warnings && check_cflags -Wcast-qual
5851 check_disable_warning(){
5852 warning_flag=-W${1#-Wno-}
5853 test_cflags $warning_flag && add_cflags $1
5856 check_disable_warning -Wno-parentheses
5857 check_disable_warning -Wno-switch
5858 check_disable_warning -Wno-format-zero-length
5859 check_disable_warning -Wno-pointer-sign
5860 check_disable_warning -Wno-unused-const-variable
5862 # add some linker flags
5863 check_ldflags -Wl,--warn-common
5864 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
5865 enabled rpath && add_ldexeflags -Wl,-rpath,$libdir
5866 enabled rpath && add_ldlibflags -Wl,-rpath,$libdir
5867 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
5869 # add some strip flags
5870 # -wN '..@*' is more selective than -x, but not available everywhere.
5871 check_stripflags -wN \'..@*\' || check_stripflags -x
5873 enabled neon_clobber_test &&
5874 check_ldflags -Wl,--wrap,avcodec_open2 \
5875 -Wl,--wrap,avcodec_decode_audio4 \
5876 -Wl,--wrap,avcodec_decode_video2 \
5877 -Wl,--wrap,avcodec_decode_subtitle2 \
5878 -Wl,--wrap,avcodec_encode_audio2 \
5879 -Wl,--wrap,avcodec_encode_video2 \
5880 -Wl,--wrap,avcodec_encode_subtitle \
5881 -Wl,--wrap,swr_convert \
5882 -Wl,--wrap,avresample_convert ||
5883 disable neon_clobber_test
5885 enabled xmm_clobber_test &&
5886 check_ldflags -Wl,--wrap,avcodec_open2 \
5887 -Wl,--wrap,avcodec_decode_audio4 \
5888 -Wl,--wrap,avcodec_decode_video2 \
5889 -Wl,--wrap,avcodec_decode_subtitle2 \
5890 -Wl,--wrap,avcodec_encode_audio2 \
5891 -Wl,--wrap,avcodec_encode_video2 \
5892 -Wl,--wrap,avcodec_encode_subtitle \
5893 -Wl,--wrap,swr_convert \
5894 -Wl,--wrap,avresample_convert \
5895 -Wl,--wrap,sws_scale ||
5896 disable xmm_clobber_test
5898 echo "X { local: *; };" > $TMPV
5899 if test_ldflags -Wl,--version-script,$TMPV; then
5900 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
5901 elif test_ldflags -Wl,-M,$TMPV; then
5902 append SHFLAGS '-Wl,-M,\$(SUBDIR)lib\$(NAME).ver-sol2'
5905 check_cc <<EOF && enable symver_asm_label
5906 void ff_foo(void) __asm__ ("av_foo@VERSION");
5907 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
5909 check_cc <<EOF && enable symver_gnu_asm
5910 __asm__(".symver ff_foo,av_foo@VERSION");
5911 void ff_foo(void) {}
5914 if [ -z "$optflags" ]; then
5915 if enabled small; then
5916 optflags=$cflags_size
5917 elif enabled optimizations; then
5918 optflags=$cflags_speed
5920 optflags=$cflags_noopt
5926 enabled lto && check_ldflags "$@"
5930 if enabled lto; then
5931 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
5933 check_ldflags -flto $cpuflags
5934 disable inline_asm_direct_symbol_refs
5937 check_optflags $optflags
5938 check_optflags -fno-math-errno
5939 check_optflags -fno-signed-zeros
5941 enabled ftrapv && check_cflags -ftrapv
5943 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
5948 if enabled icc; then
5949 # Just warnings, no remarks
5951 # -wd: Disable following warnings
5952 # 144, 167, 556: -Wno-pointer-sign
5953 # 188: enumerated type mixed with another type
5954 # 1292: attribute "foo" ignored
5955 # 1419: external declaration in primary source file
5956 # 10006: ignoring unknown option -fno-signed-zeros
5957 # 10148: ignoring unknown option -Wno-parentheses
5958 # 10156: ignoring option '-W'; no argument required
5959 # 13200: No EMMS instruction before call to function
5960 # 13203: No EMMS instruction before return from function
5961 check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156,13200,13203
5962 # 11030: Warning unknown option --as-needed
5963 # 10156: ignoring option '-export'; no argument required
5964 check_ldflags -wd10156,11030
5965 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
5966 enable ebp_available
5967 # The test above does not test linking
5968 enabled lto && disable symver_asm_label
5969 if enabled x86_32; then
5970 icc_version=$($cc -dumpversion)
5971 test ${icc_version%%.*} -ge 11 &&
5972 check_cflags -falign-stack=maintain-16-byte ||
5973 disable aligned_stack
5975 elif enabled ccc; then
5976 # disable some annoying warnings
5977 add_cflags -msg_disable bitnotint
5978 add_cflags -msg_disable mixfuncvoid
5979 add_cflags -msg_disable nonstandcast
5980 add_cflags -msg_disable unsupieee
5981 elif enabled gcc; then
5982 case $gcc_basever in
5983 4.9*) enabled x86 || check_optflags -fno-tree-vectorize ;;
5984 4.*) check_optflags -fno-tree-vectorize ;;
5985 *) enabled x86 || check_optflags -fno-tree-vectorize ;;
5987 check_cflags -Werror=format-security
5988 check_cflags -Werror=implicit-function-declaration
5989 check_cflags -Werror=missing-prototypes
5990 check_cflags -Werror=return-type
5991 check_cflags -Werror=vla
5992 check_cflags -Wformat
5993 check_cflags -fdiagnostics-color=auto
5994 enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized
5995 elif enabled llvm_gcc; then
5996 check_cflags -mllvm -stack-alignment=16
5997 elif enabled clang; then
5998 check_cflags -mllvm -stack-alignment=16
5999 check_cflags -Qunused-arguments
6000 check_cflags -Werror=implicit-function-declaration
6001 check_cflags -Werror=missing-prototypes
6002 check_cflags -Werror=return-type
6003 elif enabled cparser; then
6004 add_cflags -Wno-missing-variable-declarations
6005 add_cflags -Wno-empty-statement
6006 elif enabled armcc; then
6007 add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat
6008 add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir
6009 # 2523: use of inline assembly is deprecated
6010 add_cflags -W${armcc_opt},--diag_suppress=2523
6011 add_cflags -W${armcc_opt},--diag_suppress=1207
6012 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
6013 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
6014 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
6015 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
6016 elif enabled tms470; then
6017 add_cflags -pds=824 -pds=837
6019 elif enabled pathscale; then
6020 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
6021 elif enabled_any msvc icl; then
6022 enabled x86_32 && disable aligned_stack
6023 enabled_all x86_32 debug && add_cflags -Oy-
6024 enabled debug && add_ldflags -debug
6025 enable pragma_deprecated
6026 if enabled icl; then
6027 # -Qansi-alias is basically -fstrict-aliasing, but does not work
6028 # (correctly) on icl 13.x.
6029 check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&
6030 add_cflags -Qansi-alias
6031 # Some inline asm is not compilable in debug
6032 if enabled debug; then
6033 disable ebp_available
6034 disable ebx_available
6037 # msvcrt10 x64 incorrectly enables log2, only msvcrt12 (MSVC 2013) onwards actually has log2.
6038 check_cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION >= 12" || disable log2
6039 # The CRT headers contain __declspec(restrict) in a few places, but if redefining
6040 # restrict, this might break. MSVC 2010 and 2012 fail with __declspec(__restrict)
6041 # (as it ends up if the restrict redefine is done before including stdlib.h), while
6042 # MSVC 2013 and newer can handle it fine.
6043 # If this declspec fails, force including stdlib.h before the restrict redefinition
6044 # happens in config.h.
6045 if [ $_restrict != restrict ]; then
6046 check_cc <<EOF || add_cflags -FIstdlib.h
6047 __declspec($_restrict) void* foo(int);
6050 check_func strtoll || add_cflags -Dstrtoll=_strtoi64
6053 for pfx in "" host_; do
6054 varname=${pfx%_}cc_type
6055 eval "type=\$$varname"
6056 if [ $type = "msvc" ]; then
6057 check_${pfx}cc <<EOF || add_${pfx}cflags -Dinline=__inline
6058 static inline int foo(int a) { return a; }
6065 add_asflags -Qunused-arguments
6071 check_ldflags -Qunused-arguments
6077 enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'
6080 add_cppflags -Dmain=plan9_main
6084 enable frame_thread_encoder
6086 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
6088 check_deps $CONFIG_LIST \
6093 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"
6096 if test $target_os = "haiku"; then
6098 disable posix_memalign
6101 enabled_all dxva2 dxva2api_cobj CoTaskMemFree &&
6102 prepend ffmpeg_libs $($ldflags_filter "-lole32" "-luser32") &&
6105 ! enabled_any memalign posix_memalign aligned_malloc &&
6106 enabled simd_align_16 && enable memalign_hack
6109 # -> enable ${lib}_deps_${dep}
6110 # -> add $dep to ${lib}_deps only once
6114 enabled "${lib}_deps_${dep}" && return 0
6115 enable "${lib}_deps_${dep}"
6116 prepend "${lib}_deps" $dep
6119 # merge deps lib components
6120 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
6125 enabled $comp || continue
6126 eval "dep=\"\$${comp}_deps\""
6133 merge_deps libavfilter $FILTER_LIST
6135 map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST
6137 for thread in $THREADS_LIST; do
6138 if enabled $thread; then
6139 test -n "$thread_type" &&
6140 die "ERROR: Only one thread type must be selected." ||
6141 thread_type="$thread"
6145 enabled zlib && add_cppflags -DZLIB_CONST
6147 # conditional library dependencies, in linking order
6148 enabled afftfilt_filter && prepend avfilter_deps "avcodec"
6149 enabled amovie_filter && prepend avfilter_deps "avformat avcodec"
6150 enabled aresample_filter && prepend avfilter_deps "swresample"
6151 enabled asyncts_filter && prepend avfilter_deps "avresample"
6152 enabled atempo_filter && prepend avfilter_deps "avcodec"
6153 enabled cover_rect_filter && prepend avfilter_deps "avformat avcodec"
6154 enabled ebur128_filter && enabled swresample && prepend avfilter_deps "swresample"
6155 enabled elbg_filter && prepend avfilter_deps "avcodec"
6156 enabled fftfilt_filter && prepend avfilter_deps "avcodec"
6157 enabled find_rect_filter && prepend avfilter_deps "avformat avcodec"
6158 enabled mcdeint_filter && prepend avfilter_deps "avcodec"
6159 enabled movie_filter && prepend avfilter_deps "avformat avcodec"
6160 enabled pan_filter && prepend avfilter_deps "swresample"
6161 enabled pp_filter && prepend avfilter_deps "postproc"
6162 enabled removelogo_filter && prepend avfilter_deps "avformat avcodec swscale"
6163 enabled resample_filter && prepend avfilter_deps "avresample"
6164 enabled sab_filter && prepend avfilter_deps "swscale"
6165 enabled scale_filter && prepend avfilter_deps "swscale"
6166 enabled scale2ref_filter && prepend avfilter_deps "swscale"
6167 enabled sofalizer_filter && prepend avfilter_deps "avcodec"
6168 enabled showcqt_filter && prepend avfilter_deps "avformat avcodec swscale"
6169 enabled showfreqs_filter && prepend avfilter_deps "avcodec"
6170 enabled showspectrum_filter && prepend avfilter_deps "avcodec"
6171 enabled smartblur_filter && prepend avfilter_deps "swscale"
6172 enabled spectrumsynth_filter && prepend avfilter_deps "avcodec"
6173 enabled subtitles_filter && prepend avfilter_deps "avformat avcodec"
6174 enabled uspp_filter && prepend avfilter_deps "avcodec"
6176 enabled lavfi_indev && prepend avdevice_deps "avfilter"
6178 enabled opus_decoder && prepend avcodec_deps "swresample"
6182 eval "deps=\$$lib_deps"
6183 append $lib_deps $(map 'eval echo \$${v}_deps' $deps)
6187 #we have to remove gpl from the deps here as some code assumes all lib deps are libs
6188 postproc_deps="$(filter_out 'gpl' $postproc_deps)"
6190 map 'expand_deps $v' $LIBRARY_LIST
6192 echo "install prefix $prefix"
6193 echo "source path $source_path"
6194 echo "C compiler $cc"
6195 echo "C library $libc_type"
6196 if test "$host_cc" != "$cc"; then
6197 echo "host C compiler $host_cc"
6198 echo "host C library $host_libc_type"
6200 echo "ARCH $arch ($cpu)"
6201 if test "$build_suffix" != ""; then
6202 echo "build suffix $build_suffix"
6204 if test "$progs_suffix" != ""; then
6205 echo "progs suffix $progs_suffix"
6207 if test "$extra_version" != ""; then
6208 echo "version string suffix $extra_version"
6210 echo "big-endian ${bigendian-no}"
6211 echo "runtime cpu detection ${runtime_cpudetect-no}"
6212 if enabled x86; then
6213 echo "${yasmexe} ${yasm-no}"
6214 echo "MMX enabled ${mmx-no}"
6215 echo "MMXEXT enabled ${mmxext-no}"
6216 echo "3DNow! enabled ${amd3dnow-no}"
6217 echo "3DNow! extended enabled ${amd3dnowext-no}"
6218 echo "SSE enabled ${sse-no}"
6219 echo "SSSE3 enabled ${ssse3-no}"
6220 echo "AESNI enabled ${aesni-no}"
6221 echo "AVX enabled ${avx-no}"
6222 echo "XOP enabled ${xop-no}"
6223 echo "FMA3 enabled ${fma3-no}"
6224 echo "FMA4 enabled ${fma4-no}"
6225 echo "i686 features enabled ${i686-no}"
6226 echo "CMOV is fast ${fast_cmov-no}"
6227 echo "EBX available ${ebx_available-no}"
6228 echo "EBP available ${ebp_available-no}"
6230 if enabled aarch64; then
6231 echo "NEON enabled ${neon-no}"
6232 echo "VFP enabled ${vfp-no}"
6234 if enabled arm; then
6235 echo "ARMv5TE enabled ${armv5te-no}"
6236 echo "ARMv6 enabled ${armv6-no}"
6237 echo "ARMv6T2 enabled ${armv6t2-no}"
6238 echo "VFP enabled ${vfp-no}"
6239 echo "NEON enabled ${neon-no}"
6240 echo "THUMB enabled ${thumb-no}"
6242 if enabled mips; then
6243 echo "MIPS FPU enabled ${mipsfpu-no}"
6244 echo "MIPS DSP R1 enabled ${mipsdsp-no}"
6245 echo "MIPS DSP R2 enabled ${mipsdspr2-no}"
6246 echo "MIPS MSA enabled ${msa-no}"
6247 echo "LOONGSON MMI enabled ${mmi-no}"
6249 if enabled ppc; then
6250 echo "AltiVec enabled ${altivec-no}"
6251 echo "VSX enabled ${vsx-no}"
6252 echo "POWER8 enabled ${power8-no}"
6253 echo "PPC 4xx optimizations ${ppc4xx-no}"
6254 echo "dcbzl available ${dcbzl-no}"
6256 echo "debug symbols ${debug-no}"
6257 echo "strip symbols ${stripping-no}"
6258 echo "optimize for size ${small-no}"
6259 echo "optimizations ${optimizations-no}"
6260 echo "static ${static-no}"
6261 echo "shared ${shared-no}"
6262 echo "postprocessing support ${postproc-no}"
6263 echo "new filter support ${avfilter-no}"
6264 echo "network support ${network-no}"
6265 echo "threading support ${thread_type-no}"
6266 echo "safe bitstream reader ${safe_bitstream_reader-no}"
6267 echo "SDL support ${sdl-no}"
6268 echo "opencl enabled ${opencl-no}"
6269 echo "texi2html enabled ${texi2html-no}"
6270 echo "perl enabled ${perl-no}"
6271 echo "pod2man enabled ${pod2man-no}"
6272 echo "makeinfo enabled ${makeinfo-no}"
6273 echo "makeinfo supports HTML ${makeinfo_html-no}"
6274 test -n "$random_seed" &&
6275 echo "random seed ${random_seed}"
6278 echo "Enabled programs:"
6279 print_enabled '' $PROGRAM_LIST | print_in_columns
6282 echo "External libraries:"
6283 print_enabled '' $EXTERNAL_LIBRARY_LIST | print_in_columns
6287 print_enabled '' $LIBRARY_LIST | print_in_columns
6290 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
6291 echo "Enabled ${type}s:"
6292 eval list=\$$(toupper $type)_LIST
6293 print_enabled '_*' $list | print_in_columns
6297 license="LGPL version 2.1 or later"
6298 if enabled nonfree; then
6299 license="nonfree and unredistributable"
6300 elif enabled gplv3; then
6301 license="GPL version 3 or later"
6302 elif enabled lgplv3; then
6303 license="LGPL version 3 or later"
6304 elif enabled gpl; then
6305 license="GPL version 2 or later"
6308 echo "License: $license"
6310 echo "Creating config.mak, config.h, and doc/config.texi..."
6312 test -e Makefile || echo "include $source_path/Makefile" > Makefile
6314 enabled stripping || strip="echo skipping strip"
6316 config_files="$TMPH config.mak doc/config.texi"
6318 cat > config.mak <<EOF
6319 # Automatically generated by configure - do not modify!
6320 ifndef FFMPEG_CONFIG_MAK
6322 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
6324 LIBDIR=\$(DESTDIR)$libdir
6325 SHLIBDIR=\$(DESTDIR)$shlibdir
6326 INCDIR=\$(DESTDIR)$incdir
6327 BINDIR=\$(DESTDIR)$bindir
6328 DATADIR=\$(DESTDIR)$datadir
6329 DOCDIR=\$(DESTDIR)$docdir
6330 MANDIR=\$(DESTDIR)$mandir
6331 PKGCONFIGDIR=\$(DESTDIR)$pkgconfigdir
6332 SRC_PATH=$source_path
6333 SRC_LINK=$source_link
6334 ifndef MAIN_MAKEFILE
6335 SRC_PATH:=\$(SRC_PATH:.%=..%)
6339 INTRINSICS=$intrinsics
6346 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
6348 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
6361 OBJCFLAGS=$OBJCFLAGS
6381 LDEXEFLAGS=$LDEXEFLAGS
6382 LDLIBFLAGS=$LDLIBFLAGS
6383 SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
6384 ASMSTRIPFLAGS=$ASMSTRIPFLAGS
6385 YASMFLAGS=$YASMFLAGS
6386 BUILDSUF=$build_suffix
6387 PROGSSUF=$progs_suffix
6395 EXTRA_VERSION=$extra_version
6398 CCDEP_FLAGS=$CCDEP_FLAGS
6400 ASDEP_FLAGS=$ASDEP_FLAGS
6401 CC_DEPFLAGS=$CC_DEPFLAGS
6402 AS_DEPFLAGS=$AS_DEPFLAGS
6405 HOSTCFLAGS=$host_cflags
6406 HOSTCPPFLAGS=$host_cppflags
6407 HOSTEXESUF=$HOSTEXESUF
6408 HOSTLDFLAGS=$host_ldflags
6411 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
6412 HOSTCCDEP=$HOSTCCDEP
6413 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
6414 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
6418 TARGET_EXEC=$target_exec $target_exec_args
6419 TARGET_PATH=$target_path
6420 TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}
6421 CFLAGS-ffplay=$sdl_cflags
6422 ZLIB=$($ldflags_filter -lz)
6423 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
6424 EXTRALIBS=$extralibs
6425 COMPAT_OBJS=$compat_objs
6428 LIBTARGET=${LIBTARGET}
6429 SLIBNAME=${SLIBNAME}
6430 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
6431 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
6432 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
6433 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
6434 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
6435 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
6436 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
6437 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
6438 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
6439 NOREDZONE_FLAGS=$noredzone_flags
6444 name=$(toupper $lcname)
6445 file=$source_path/$lcname/version.h
6446 eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")
6447 enabled raise_major && eval ${name}_VERSION_MAJOR=$((${name}_VERSION_MAJOR+100))
6448 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
6449 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
6450 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
6451 eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak
6454 map 'get_version $v' $LIBRARY_LIST
6456 map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> config.mak' $LIBRARY_LIST
6458 print_program_libs(){
6459 eval "program_libs=\$${1}_libs"
6460 eval echo "LIBS-${1}=${program_libs}" >> config.mak
6463 map 'print_program_libs $v' $PROGRAM_LIST
6466 /* Automatically generated by configure - do not modify! */
6467 #ifndef FFMPEG_CONFIG_H
6468 #define FFMPEG_CONFIG_H
6469 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
6470 #define FFMPEG_LICENSE "$(c_escape $license)"
6471 #define CONFIG_THIS_YEAR 2016
6472 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
6473 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
6474 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
6475 #define av_restrict $_restrict
6476 #define EXTERN_PREFIX "${extern_prefix}"
6477 #define EXTERN_ASM ${extern_prefix}
6478 #define BUILDSUF "$build_suffix"
6479 #define SLIBSUF "$SLIBSUF"
6480 #define HAVE_MMX2 HAVE_MMXEXT
6481 #define SWS_MAX_FILTER_SIZE $sws_max_filter_size
6484 test -n "$assert_level" &&
6485 echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
6487 test -n "$malloc_prefix" &&
6488 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
6490 if enabled yasm; then
6491 append config_files $TMPASM
6495 enabled getenv || echo "#define getenv(x) NULL" >> $TMPH
6501 echo "@c auto-generated by configure - do not modify! " > doc/config.texi
6503 print_config ARCH_ "$config_files" $ARCH_LIST
6504 print_config HAVE_ "$config_files" $HAVE_LIST
6505 print_config CONFIG_ "$config_files" $CONFIG_LIST \
6509 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
6510 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
6512 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
6513 cp_if_changed $TMPH config.h
6516 enabled yasm && cp_if_changed $TMPASM config.asm
6519 /* Generated by ffconf */
6520 #ifndef AVUTIL_AVCONFIG_H
6521 #define AVUTIL_AVCONFIG_H
6524 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
6526 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
6528 cp_if_changed $TMPH libavutil/avconfig.h
6530 if test -n "$WARNINGS"; then
6531 printf "\n%s%s$WARNINGS%s" "$warn_color" "$bold_color" "$reset_color"
6532 enabled fatal_warnings && exit 1
6535 # build pkg-config files
6538 eval printf "\"lib${1}${build_suffix} >= \$LIB$(toupper ${1})_VERSION, \""
6541 pkgconfig_generate(){
6543 shortname=${name#lib}${build_suffix}
6547 requires=$(map 'lib_version $v' $(eval echo \$${name#lib}_deps))
6548 requires=${requires%, }
6549 enabled ${name#lib} || return 0
6551 cat <<EOF > $name/$name${build_suffix}.pc
6553 exec_prefix=\${prefix}
6558 Description: $comment
6560 Requires: $(enabled shared || echo $requires)
6561 Requires.private: $(enabled shared && echo $requires)
6563 Libs: -L\${libdir} $(enabled rpath && echo "-Wl,-rpath,\${libdir}") -l${shortname} $(enabled shared || echo $libs)
6564 Libs.private: $(enabled shared && echo $libs)
6565 Cflags: -I\${includedir}
6568 mkdir -p doc/examples/pc-uninstalled
6569 includedir=${source_path}
6570 [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."
6571 cat <<EOF > doc/examples/pc-uninstalled/$name.pc
6574 libdir=\${pcfiledir}/../../../$name
6575 includedir=${includedir}
6578 Description: $comment
6582 Libs: -L\${libdir} -Wl,-rpath,\${libdir} -l${shortname} $(enabled shared || echo $libs)
6583 Cflags: -I\${includedir}
6587 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBRT $LIBM"
6588 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs"
6589 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs"
6590 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs"
6591 pkgconfig_generate libavfilter "FFmpeg audio/video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
6592 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" ""
6593 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$LIBM"
6594 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM"
6595 pkgconfig_generate libswresample "FFmpeg audio resampling library" "$LIBSWRESAMPLE_VERSION" "$LIBM $LIBSOXR"