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]
94 --install-name-dir=DIR Darwin directory name for installed targets
97 --enable-gpl allow use of GPL code, the resulting libs
98 and binaries will be under GPL [no]
99 --enable-version3 upgrade (L)GPL to version 3 [no]
100 --enable-nonfree allow use of nonfree code, the resulting libs
101 and binaries will be unredistributable [no]
103 Configuration options:
104 --disable-static do not build static libraries [no]
105 --enable-shared build shared libraries [no]
106 --enable-small optimize for size instead of speed
107 --disable-runtime-cpudetect disable detecting cpu capabilities at runtime (smaller binary)
108 --enable-gray enable full grayscale support (slower color)
109 --disable-swscale-alpha disable alpha channel support in swscale
110 --disable-all disable building components, libraries and programs
111 --enable-incompatible-libav-abi enable incompatible Libav fork ABI [no]
112 --enable-raise-major increase major version numbers in sonames [no]
115 --disable-programs do not build command line programs
116 --disable-ffmpeg disable ffmpeg build
117 --disable-ffplay disable ffplay build
118 --disable-ffprobe disable ffprobe build
119 --disable-ffserver disable ffserver build
121 Documentation options:
122 --disable-doc do not build documentation
123 --disable-htmlpages do not build HTML documentation pages
124 --disable-manpages do not build man documentation pages
125 --disable-podpages do not build POD documentation pages
126 --disable-txtpages do not build text documentation pages
129 --disable-avdevice disable libavdevice build
130 --disable-avcodec disable libavcodec build
131 --disable-avformat disable libavformat build
132 --disable-swresample disable libswresample build
133 --disable-swscale disable libswscale build
134 --disable-postproc disable libpostproc build
135 --disable-avfilter disable libavfilter build
136 --enable-avresample enable libavresample build [no]
137 --disable-pthreads disable pthreads [autodetect]
138 --disable-w32threads disable Win32 threads [autodetect]
139 --disable-os2threads disable OS/2 threads [autodetect]
140 --disable-network disable network support [no]
141 --disable-dct disable DCT code
142 --disable-dwt disable DWT code
143 --disable-error-resilience disable error resilience code
144 --disable-lsp disable LSP code
145 --disable-lzo disable LZO decoder code
146 --disable-mdct disable MDCT code
147 --disable-rdft disable RDFT code
148 --disable-fft disable FFT code
149 --disable-faan disable floating point AAN (I)DCT code
150 --disable-pixelutils disable pixel utils in libavutil
152 Hardware accelerators:
153 --disable-d3d11va disable D3D11VA code [autodetect]
154 --disable-dxva2 disable DXVA2 code [autodetect]
155 --disable-vaapi disable VAAPI code [autodetect]
156 --disable-vda disable VDA code [autodetect]
157 --disable-vdpau disable VDPAU code [autodetect]
159 Hardware-accelerated decoding/encoding:
160 --enable-cuda enable dynamically linked CUDA [no]
161 --enable-cuvid enable CUVID support [autodetect]
162 --enable-libmfx enable HW acceleration through libmfx
163 --enable-mmal enable decoding via MMAL [no]
164 --enable-nvenc enable NVIDIA NVENC support [no]
165 --enable-omx enable encoding via OpenMAX IL [no]
166 --enable-omx-rpi enable encoding via OpenMAX IL for Raspberry Pi [no]
168 Individual component options:
169 --disable-everything disable all components listed below
170 --disable-encoder=NAME disable encoder NAME
171 --enable-encoder=NAME enable encoder NAME
172 --disable-encoders disable all encoders
173 --disable-decoder=NAME disable decoder NAME
174 --enable-decoder=NAME enable decoder NAME
175 --disable-decoders disable all decoders
176 --disable-hwaccel=NAME disable hwaccel NAME
177 --enable-hwaccel=NAME enable hwaccel NAME
178 --disable-hwaccels disable all hwaccels
179 --disable-muxer=NAME disable muxer NAME
180 --enable-muxer=NAME enable muxer NAME
181 --disable-muxers disable all muxers
182 --disable-demuxer=NAME disable demuxer NAME
183 --enable-demuxer=NAME enable demuxer NAME
184 --disable-demuxers disable all demuxers
185 --enable-parser=NAME enable parser NAME
186 --disable-parser=NAME disable parser NAME
187 --disable-parsers disable all parsers
188 --enable-bsf=NAME enable bitstream filter NAME
189 --disable-bsf=NAME disable bitstream filter NAME
190 --disable-bsfs disable all bitstream filters
191 --enable-protocol=NAME enable protocol NAME
192 --disable-protocol=NAME disable protocol NAME
193 --disable-protocols disable all protocols
194 --enable-indev=NAME enable input device NAME
195 --disable-indev=NAME disable input device NAME
196 --disable-indevs disable input devices
197 --enable-outdev=NAME enable output device NAME
198 --disable-outdev=NAME disable output device NAME
199 --disable-outdevs disable output devices
200 --disable-devices disable all devices
201 --enable-filter=NAME enable filter NAME
202 --disable-filter=NAME disable filter NAME
203 --disable-filters disable all filters
205 External library support:
206 --disable-audiotoolbox enable AudioToolbox decoders and encoders [autodetect]
207 --enable-avisynth enable reading of AviSynth script files [no]
208 --disable-bzlib disable bzlib [autodetect]
209 --enable-chromaprint enable audio fingerprinting with chromaprint [no]
210 --enable-frei0r enable frei0r video filtering [no]
211 --enable-gcrypt enable gcrypt, needed for rtmp(t)e support
212 if openssl, librtmp or gmp is not used [no]
213 --enable-gmp enable gmp, needed for rtmp(t)e support
214 if openssl or librtmp is not used [no]
215 --enable-gnutls enable gnutls, needed for https support
216 if openssl is not used [no]
217 --disable-iconv disable iconv [autodetect]
218 --enable-jni enable JNI support [no]
219 --enable-ladspa enable LADSPA audio filtering [no]
220 --enable-libass enable libass subtitles rendering,
221 needed for subtitles and ass filter [no]
222 --enable-libbluray enable BluRay reading using libbluray [no]
223 --enable-libbs2b enable bs2b DSP library [no]
224 --enable-libcaca enable textual display using libcaca [no]
225 --enable-libcelt enable CELT decoding via libcelt [no]
226 --enable-libcdio enable audio CD grabbing with libcdio [no]
227 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
229 --enable-libebur128 enable libebur128 for EBU R128 measurement,
230 needed for loudnorm filter [no]
231 --enable-libfaac enable AAC encoding via libfaac [no]
232 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
233 --enable-libflite enable flite (voice synthesis) support via libflite [no]
234 --enable-libfontconfig enable libfontconfig, useful for drawtext filter [no]
235 --enable-libfreetype enable libfreetype, needed for drawtext filter [no]
236 --enable-libfribidi enable libfribidi, improves drawtext filter [no]
237 --enable-libgme enable Game Music Emu via libgme [no]
238 --enable-libgsm enable GSM de/encoding via libgsm [no]
239 --enable-libiec61883 enable iec61883 via libiec61883 [no]
240 --enable-libilbc enable iLBC de/encoding via libilbc [no]
241 --enable-libkvazaar enable HEVC encoding via libkvazaar [no]
242 --enable-libmodplug enable ModPlug via libmodplug [no]
243 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
244 --enable-libnut enable NUT (de)muxing via libnut,
245 native (de)muxer exists [no]
246 --enable-libnpp enable NVIDIA Performance Primitives-based code [no]
247 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
248 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
249 --enable-libopencv enable video filtering via libopencv [no]
250 --enable-libopenh264 enable H.264 encoding via OpenH264 [no]
251 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
252 --enable-libopus enable Opus de/encoding via libopus [no]
253 --enable-libpulse enable Pulseaudio input via libpulse [no]
254 --enable-librubberband enable rubberband needed for rubberband filter [no]
255 --enable-librtmp enable RTMP[E] support via librtmp [no]
256 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
257 --enable-libshine enable fixed-point MP3 encoding via libshine [no]
258 --enable-libsmbclient enable Samba protocol via libsmbclient [no]
259 --enable-libsnappy enable Snappy compression, needed for hap encoding [no]
260 --enable-libsoxr enable Include libsoxr resampling [no]
261 --enable-libspeex enable Speex de/encoding via libspeex [no]
262 --enable-libssh enable SFTP protocol via libssh [no]
263 --enable-libtesseract enable Tesseract, needed for ocr filter [no]
264 --enable-libtheora enable Theora encoding via libtheora [no]
265 --enable-libtwolame enable MP2 encoding via libtwolame [no]
266 --enable-libutvideo enable Ut Video encoding and decoding via libutvideo [no]
267 --enable-libv4l2 enable libv4l2/v4l-utils [no]
268 --enable-libvidstab enable video stabilization using vid.stab [no]
269 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
270 --enable-libvorbis enable Vorbis en/decoding via libvorbis,
271 native implementation exists [no]
272 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
273 --enable-libwavpack enable wavpack encoding via libwavpack [no]
274 --enable-libwebp enable WebP encoding via libwebp [no]
275 --enable-libx264 enable H.264 encoding via x264 [no]
276 --enable-libx265 enable HEVC encoding via x265 [no]
277 --enable-libxavs enable AVS encoding via xavs [no]
278 --enable-libxcb enable X11 grabbing using XCB [autodetect]
279 --enable-libxcb-shm enable X11 grabbing shm communication [autodetect]
280 --enable-libxcb-xfixes enable X11 grabbing mouse rendering [autodetect]
281 --enable-libxcb-shape enable X11 grabbing shape rendering [autodetect]
282 --enable-libxvid enable Xvid encoding via xvidcore,
283 native MPEG-4/Xvid encoder exists [no]
284 --enable-libzimg enable z.lib, needed for zscale filter [no]
285 --enable-libzmq enable message passing via libzmq [no]
286 --enable-libzvbi enable teletext support via libzvbi [no]
287 --disable-lzma disable lzma [autodetect]
288 --enable-decklink enable Blackmagic DeckLink I/O support [no]
289 --enable-mediacodec enable Android MediaCodec support [no]
290 --enable-netcdf enable NetCDF, needed for sofalizer filter [no]
291 --enable-openal enable OpenAL 1.1 capture support [no]
292 --enable-opencl enable OpenCL code
293 --enable-opengl enable OpenGL rendering [no]
294 --enable-openssl enable openssl, needed for https support
295 if gnutls is not used [no]
296 --disable-schannel disable SChannel SSP, needed for TLS support on
297 Windows if openssl and gnutls are not used [autodetect]
298 --disable-sdl disable sdl [autodetect]
299 --disable-securetransport disable Secure Transport, needed for TLS support
300 on OSX if openssl and gnutls are not used [autodetect]
301 --disable-videotoolbox disable VideoToolbox code [autodetect]
302 --enable-x11grab enable X11 grabbing (legacy) [no]
303 --disable-xlib disable xlib [autodetect]
304 --disable-zlib disable zlib [autodetect]
307 --arch=ARCH select architecture [$arch]
308 --cpu=CPU select the minimum required CPU (affects
309 instruction selection, may crash on older CPUs)
310 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
311 --progs-suffix=SUFFIX program name suffix []
312 --enable-cross-compile assume a cross-compiler is used
313 --sysroot=PATH root of cross-build tree
314 --sysinclude=PATH location of cross-build system headers
315 --target-os=OS compiler targets OS [$target_os]
316 --target-exec=CMD command to run executables on target
317 --target-path=DIR path to view of build directory on target
318 --target-samples=DIR path to samples directory on target
319 --tempprefix=PATH force fixed dir/prefix instead of mktemp for checks
320 --toolchain=NAME set tool defaults according to NAME
321 --nm=NM use nm tool NM [$nm_default]
322 --ar=AR use archive tool AR [$ar_default]
323 --as=AS use assembler AS [$as_default]
324 --ln_s=LN_S use symbolic link tool LN_S [$ln_s_default]
325 --strip=STRIP use strip tool STRIP [$strip_default]
326 --windres=WINDRES use windows resource compiler WINDRES [$windres_default]
327 --yasmexe=EXE use yasm-compatible assembler EXE [$yasmexe_default]
328 --cc=CC use C compiler CC [$cc_default]
329 --cxx=CXX use C compiler CXX [$cxx_default]
330 --objcc=OCC use ObjC compiler OCC [$cc_default]
331 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
332 --ld=LD use linker LD [$ld_default]
333 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
334 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
335 --ranlib=RANLIB use ranlib RANLIB [$ranlib_default]
336 --doxygen=DOXYGEN use DOXYGEN to generate API doc [$doxygen_default]
337 --host-cc=HOSTCC use host C compiler HOSTCC
338 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
339 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
340 --host-ld=HOSTLD use host linker HOSTLD
341 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
342 --host-libs=HLIBS use libs HLIBS when linking for host
343 --host-os=OS compiler host OS [$target_os]
344 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
345 --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
346 --extra-objcflags=FLAGS add FLAGS to OBJCFLAGS [$CFLAGS]
347 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
348 --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
349 --extra-ldlibflags=ELDFLAGS add ELDFLAGS to LDLIBFLAGS [$LDLIBFLAGS]
350 --extra-libs=ELIBS add ELIBS [$ELIBS]
351 --extra-version=STRING version string suffix []
352 --optflags=OPTFLAGS override optimization-related compiler flags
353 --build-suffix=SUFFIX library name suffix []
354 --enable-pic build position-independent code
355 --enable-thumb compile for Thumb instruction set
356 --enable-lto use link-time optimization
357 --env="ENV=override" override the environment variables
359 Advanced options (experts only):
360 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
361 --custom-allocator=NAME use a supported custom allocator
362 --disable-symver disable symbol versioning
363 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
364 --disable-safe-bitstream-reader
365 disable buffer boundary checking in bitreaders
366 (faster, but may crash)
367 --enable-memalign-hack emulate memalign, interferes with memory debuggers
368 --sws-max-filter-size=N the max filter size swscale uses [$sws_max_filter_size_default]
370 Optimization options (experts only):
371 --disable-asm disable all assembly optimizations
372 --disable-altivec disable AltiVec optimizations
373 --disable-vsx disable VSX optimizations
374 --disable-power8 disable POWER8 optimizations
375 --disable-amd3dnow disable 3DNow! optimizations
376 --disable-amd3dnowext disable 3DNow! extended optimizations
377 --disable-mmx disable MMX optimizations
378 --disable-mmxext disable MMXEXT optimizations
379 --disable-sse disable SSE optimizations
380 --disable-sse2 disable SSE2 optimizations
381 --disable-sse3 disable SSE3 optimizations
382 --disable-ssse3 disable SSSE3 optimizations
383 --disable-sse4 disable SSE4 optimizations
384 --disable-sse42 disable SSE4.2 optimizations
385 --disable-avx disable AVX optimizations
386 --disable-xop disable XOP optimizations
387 --disable-fma3 disable FMA3 optimizations
388 --disable-fma4 disable FMA4 optimizations
389 --disable-avx2 disable AVX2 optimizations
390 --disable-aesni disable AESNI optimizations
391 --disable-armv5te disable armv5te optimizations
392 --disable-armv6 disable armv6 optimizations
393 --disable-armv6t2 disable armv6t2 optimizations
394 --disable-vfp disable VFP optimizations
395 --disable-neon disable NEON optimizations
396 --disable-inline-asm disable use of inline assembly
397 --disable-yasm disable use of nasm/yasm assembly
398 --disable-mipsdsp disable MIPS DSP ASE R1 optimizations
399 --disable-mipsdspr2 disable MIPS DSP ASE R2 optimizations
400 --disable-msa disable MSA optimizations
401 --disable-mipsfpu disable floating point MIPS optimizations
402 --disable-mmi disable Loongson SIMD optimizations
403 --disable-fast-unaligned consider unaligned accesses slow
405 Developer options (useful when working on FFmpeg itself):
406 --disable-debug disable debugging symbols
407 --enable-debug=LEVEL set the debug level [$debuglevel]
408 --disable-optimizations disable compiler optimizations
409 --enable-extra-warnings enable more compiler warnings
410 --disable-stripping disable stripping of executables and shared libraries
411 --assert-level=level 0(default), 1 or 2, amount of assertion testing,
412 2 causes a slowdown at runtime.
413 --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
414 --valgrind=VALGRIND run "make fate" tests through valgrind to detect memory
415 leaks and errors, using the specified valgrind binary.
416 Cannot be combined with --target-exec
417 --enable-ftrapv Trap arithmetic overflows
418 --samples=PATH location of test samples for FATE, if not set use
419 \$FATE_SAMPLES at make invocation time.
420 --enable-neon-clobber-test check NEON registers for clobbering (should be
421 used only for debugging purposes)
422 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
423 should be used only for debugging purposes)
424 --enable-random randomly enable/disable components
426 --enable-random=LIST randomly enable/disable specific components or
427 --disable-random=LIST component groups. LIST is a comma-separated list
428 of NAME[:PROB] entries where NAME is a component
429 (group) and PROB the probability associated with
431 --random-seed=VALUE seed value for --enable/disable-random
432 --disable-valgrind-backtrace do not print a backtrace under Valgrind
433 (only applies to --disable-optimizations builds)
435 NOTE: Object files are built at the place where configure is launched.
441 if test -t 1 && which tput >/dev/null 2>&1; then
442 ncolors=$(tput colors)
443 if test -n "$ncolors" && test $ncolors -ge 8; then
444 bold_color=$(tput bold)
445 warn_color=$(tput setaf 3)
446 error_color=$(tput setaf 1)
447 reset_color=$(tput sgr0)
449 # 72 used instead of 80 since that's the default of pr
455 echo "$@" >> $logfile
460 pr -n -t $1 >> $logfile
466 WARNINGS="${WARNINGS}WARNING: $*\n"
471 echo "$error_color$bold_color$@$reset_color"
474 If you think configure made a mistake, make sure you are using the latest
475 version from Git. If the latest version fails, report the problem to the
476 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
478 if disabled logging; then
480 Rerun configure with logging enabled (do not use --disable-logging), and
481 include the log this produces with your report.
485 Include the log file "$logfile" produced by configure as this will help
492 # Avoid locale weirdness, besides we really just want to translate ASCII.
494 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
498 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
502 echo "$*" | sed 's/["\\]/\\\0/g'
506 v=$(echo "$1" | sed "s/'/'\\\\''/g")
507 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
512 echo "$@" | sed 's/^ *//;s/[[:space:]][[:space:]]*/ /g;s/ *$//'
519 eval "case $v in $pat) echo $v ;; esac"
527 eval "case $v in $pat) ;; *) echo $v ;; esac"
534 for v; do eval $m; done
540 for v; do echo ${v}${suffix}; done
555 eval : \${$var:=$value}
560 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
566 eval $(sanitize_var_name "$var")='$*'
570 eval echo \$$(sanitize_var_name "$1")
575 eval level=\${${pvar}_level:=0}
576 eval ${pvar}_${level}="\$$pvar"
577 eval ${pvar}_level=$(($level+1))
583 eval level=\${${pvar}_level:-0}
584 test $level = 0 && continue
585 eval level=$(($level-1))
586 eval $pvar="\${${pvar}_${level}}"
587 eval ${pvar}_level=$level
588 eval unset ${pvar}_${level}
610 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
616 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
622 enabled $var && continue
623 eval sel="\$${var}_select"
624 eval sgs="\$${var}_suggest"
628 enable_deep_weak $sgs
640 disabled $var && continue
649 test "${1#!}" = "$1" && op='=' || op=!=
650 eval test "x\$${1#!}" $op "xyes"
654 test "${1#!}" = "$1" && op='=' || op=!=
655 eval test "x\$${1#!}" $op "xno"
660 enabled $opt || return 1
666 disabled $opt || return 1
672 enabled $opt && return 0
678 disabled $opt && return 0
685 eval : \${$opt:=\$${opt}_default}
693 [ $var = $value ] && return 0
701 enabled ${cfg}_checking && die "Circular dependency for $cfg."
702 disabled ${cfg}_checking && continue
703 enable ${cfg}_checking
706 eval dep_all="\$${cfg}_deps"
707 eval dep_any="\$${cfg}_deps_any"
708 eval dep_sel="\$${cfg}_select"
709 eval dep_sgs="\$${cfg}_suggest"
710 eval dep_ifa="\$${cfg}_if"
711 eval dep_ifn="\$${cfg}_if_any"
713 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
714 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
715 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
717 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
718 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
719 enabled_all $dep_all || disable $cfg
720 enabled_any $dep_any || disable $cfg
721 disabled_any $dep_sel && disable $cfg
723 if enabled $cfg; then
725 enable_deep_weak $dep_sgs
728 disable ${cfg}_checking
737 for cfg in $allopts; do
738 enabled $cfg || continue
739 eval dep_extralibs="\$${cfg}_extralibs"
740 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
748 map 'eval echo "$v \${$v:-no}"' "$@" |
749 awk "BEGIN { split(\"$files\", files) }
751 c = \"$pfx\" toupper(\$1);
757 if (file ~ /\\.h\$/) {
758 printf(\"#define %s %d\\n\", c, v) >>file;
759 } else if (file ~ /\\.asm\$/) {
760 printf(\"%%define %s %d\\n\", c, v) >>file;
761 } else if (file ~ /\\.mak\$/) {
762 n = -v ? \"\" : \"!\";
763 printf(\"%s%s=yes\\n\", n, c) >>file;
764 } else if (file ~ /\\.texi\$/) {
765 pre = -v ? \"\" : \"@c \";
768 gsub(/_/, \"-\", c2);
769 printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
779 enabled $v && printf "%s\n" ${v%$suf}
786 eval "$var=\"\$$var $*\""
792 eval "$var=\"$* \$$var\""
798 for tok in $(eval echo \$$var); do
799 uniq_list="$(filter_out $tok $uniq_list) $tok"
801 eval "$var=\"${uniq_list}\""
809 append CFLAGS $($cflags_filter "$@")
813 append CXXFLAGS $($cflags_filter "$@")
817 append ASFLAGS $($asflags_filter "$@")
821 append OBJCFLAGS $($objcflags_filter "$@")
825 append LDFLAGS $($ldflags_filter "$@")
829 append LDEXEFLAGS $($ldflags_filter "$@")
833 append LDLIBFLAGS $($ldflags_filter "$@")
837 append ASMSTRIPFLAGS "$@"
841 prepend extralibs $($ldflags_filter "$@")
845 append host_cppflags "$@"
849 append host_cflags $($host_cflags_filter "$@")
853 append host_ldflags $($host_ldflags_filter "$@")
857 append compat_objs $1
859 map 'add_cppflags -D$v' "$@"
864 "$@" >> $logfile 2>&1
869 stat "$1" >> $logfile 2>&1
873 eval printf '%s\\n' $CC_O
877 eval printf '%s\\n' $CC_E
884 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
891 check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
898 check_cmd $objcc -Werror=missing-prototypes $CPPFLAGS $CFLAGS $OBJCFLAGS "$@" $OBJCC_C $(cc_o $TMPO) $TMPM
905 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
909 eval printf '%s\\n' $AS_O
916 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
920 log check_inline_asm "$@"
925 check_cc "$@" <<EOF && enable $name
926 void foo(void){ __asm__ volatile($code); }
930 check_inline_asm_flags(){
931 log check_inline_asm_flags "$@"
936 while [ "$1" != "" ]; do
942 void foo(void){ __asm__ volatile($code); }
945 check_cmd $cc $CPPFLAGS $CFLAGS $flags "$@" $CC_C $(cc_o $TMPO) $TMPC &&
946 enable $name && add_cflags $flags && add_asflags $flags && add_ldflags $flags
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="
1562 safe_bitstream_reader
1584 videotoolbox_hwaccel
1632 $EXTERNAL_LIBRARY_LIST
1641 incompatible_libav_abi
1703 ARCH_EXT_LIST_MIPS="
1715 ARCH_EXT_LIST_LOONGSON="
1721 ARCH_EXT_LIST_X86_SIMD="
1750 $ARCH_EXT_LIST_X86_SIMD
1760 $ARCH_EXT_LIST_LOONGSON
1776 atomic_compare_exchange
1783 sync_val_compare_and_swap
1794 incompatible_libav_abi
1803 cdio_paranoia_paranoia_h
1805 dev_bktr_ioctl_bt848_h
1806 dev_bktr_ioctl_meteor_h
1808 dev_video_bktr_ioctl_bt848_h
1809 dev_video_meteor_ioctl_meteor_h
1819 machine_ioctl_bt848_h
1820 machine_ioctl_meteor_h
1822 opencv2_core_core_c_h
1823 openjpeg_2_1_openjpeg_h
1824 openjpeg_2_0_openjpeg_h
1825 openjpeg_1_5_openjpeg_h
1903 GetProcessAffinityMask
1904 GetProcessMemoryInfo
1907 GetSystemTimeAsFileTime
1914 jack_port_get_latency_range
1930 SetConsoleTextAttribute
1931 SetConsoleCtrlHandler
1939 UTGetOSTypeFromString
1944 TOOLCHAIN_FEATURES="
1956 inline_asm_direct_symbol_refs
1958 inline_asm_nonlocal_labels
1969 CONDITION_VARIABLE_Ptr
1972 struct_group_source_req
1973 struct_ip_mreq_source
1975 struct_msghdr_msg_flags
1977 struct_rusage_ru_maxrss
1978 struct_sctp_event_subscribe
1980 struct_sockaddr_sa_len
1981 struct_sockaddr_storage
1982 struct_stat_st_mtim_tv_nsec
1983 struct_v4l2_frmivalenum_discrete
1988 $(add_suffix _external $ARCH_EXT_LIST)
1989 $(add_suffix _inline $ARCH_EXT_LIST)
2012 MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS
2026 # options emitted with CONFIG_ prefix but not available on the command line
2043 frame_thread_encoder
2192 # code dependency declarations
2194 # architecture extensions
2199 armv8_deps="aarch64"
2200 neon_deps_any="aarch64 arm"
2201 intrinsics_neon_deps="neon"
2202 vfp_deps_any="aarch64 arm"
2206 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
2210 mipsdspr2_deps="mips"
2211 mips32r2_deps="mips"
2212 mips32r5_deps="mips"
2213 mips32r6_deps="mips"
2214 mips64r2_deps="mips"
2215 mips64r6_deps="mips"
2227 x86_64_select="i686"
2228 x86_64_suggest="fast_cmov"
2231 amd3dnowext_deps="amd3dnow"
2248 mmx_external_deps="yasm"
2249 mmx_inline_deps="inline_asm"
2250 mmx_suggest="mmx_external mmx_inline"
2252 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
2253 eval dep=\$${ext}_deps
2254 eval ${ext}_external_deps='"${dep}_external"'
2255 eval ${ext}_inline_deps='"${dep}_inline"'
2256 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
2259 aligned_stack_if_any="aarch64 ppc x86"
2260 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
2261 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
2262 fast_unaligned_if_any="aarch64 ppc x86"
2263 simd_align_16_if_any="altivec neon sse"
2265 # system capabilities
2266 symver_if_any="symver_asm_label symver_gnu_asm"
2267 valgrind_backtrace_deps="!optimizations valgrind_valgrind_h"
2270 atomics_gcc_if_any="sync_val_compare_and_swap atomic_compare_exchange"
2271 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
2272 atomics_win32_if="MemoryBarrier"
2273 atomics_native_if_any="$ATOMICS_LIST"
2274 w32threads_deps="atomics_native"
2275 threads_if_any="$THREADS_LIST"
2279 dirac_parse_select="golomb"
2280 error_resilience_select="me_cmp"
2281 faandct_deps="faan fdctdsp"
2282 faanidct_deps="faan idctdsp"
2283 h264dsp_select="startcode"
2284 frame_thread_encoder_deps="encoders threads"
2285 intrax8_select="blockdsp idctdsp"
2287 me_cmp_select="fdctdsp idctdsp pixblockdsp"
2288 mpeg_er_select="error_resilience"
2289 mpegaudio_select="mpegaudiodsp"
2290 mpegaudiodsp_select="dct"
2291 mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp mpeg_er videodsp"
2292 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
2293 vc1dsp_select="h264chroma qpeldsp startcode"
2296 # decoders / encoders
2297 aac_decoder_select="imdct15 mdct sinewin"
2298 aac_fixed_decoder_select="mdct sinewin"
2299 aac_encoder_select="audio_frame_queue iirfilter lpc mdct sinewin"
2300 aac_latm_decoder_select="aac_decoder aac_latm_parser"
2301 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
2302 ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"
2303 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
2304 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
2305 adpcm_g722_decoder_select="g722dsp"
2306 adpcm_g722_encoder_select="g722dsp"
2307 aic_decoder_select="golomb idctdsp"
2308 alac_encoder_select="lpc"
2309 als_decoder_select="bswapdsp"
2310 amrnb_decoder_select="lsp"
2311 amrwb_decoder_select="lsp"
2312 amv_decoder_select="sp5x_decoder exif"
2313 amv_encoder_select="aandcttables jpegtables mpegvideoenc"
2314 ape_decoder_select="bswapdsp llauddsp"
2315 apng_decoder_select="zlib"
2316 apng_encoder_select="huffyuvencdsp zlib"
2317 asv1_decoder_select="blockdsp bswapdsp idctdsp"
2318 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
2319 asv2_decoder_select="blockdsp bswapdsp idctdsp"
2320 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
2321 atrac1_decoder_select="mdct sinewin"
2322 atrac3_decoder_select="mdct"
2323 atrac3p_decoder_select="mdct sinewin"
2324 avrn_decoder_select="exif jpegtables"
2325 bink_decoder_select="blockdsp hpeldsp"
2326 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
2327 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
2328 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
2329 cllc_decoder_select="bswapdsp"
2330 comfortnoise_encoder_select="lpc"
2331 cook_decoder_select="audiodsp mdct sinewin"
2332 cscd_decoder_select="lzo"
2333 cscd_decoder_suggest="zlib"
2334 dca_decoder_select="mdct"
2335 dds_decoder_select="texturedsp"
2336 dirac_decoder_select="dirac_parse dwt golomb videodsp mpegvideoenc"
2337 dnxhd_decoder_select="blockdsp idctdsp"
2338 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
2339 dvvideo_decoder_select="dvprofile idctdsp"
2340 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
2341 dxa_decoder_select="zlib"
2342 dxv_decoder_select="lzf texturedsp"
2343 eac3_decoder_select="ac3_decoder"
2344 eac3_encoder_select="ac3_encoder"
2345 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
2346 eatgq_decoder_select="aandcttables"
2347 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp"
2348 exr_decoder_select="zlib"
2349 ffv1_decoder_select="golomb rangecoder"
2350 ffv1_encoder_select="rangecoder"
2351 ffvhuff_decoder_select="huffyuv_decoder"
2352 ffvhuff_encoder_select="huffyuv_encoder"
2353 fic_decoder_select="golomb"
2354 flac_decoder_select="flacdsp golomb"
2355 flac_encoder_select="bswapdsp flacdsp golomb lpc"
2356 flashsv2_decoder_select="zlib"
2357 flashsv2_encoder_select="zlib"
2358 flashsv_decoder_select="zlib"
2359 flashsv_encoder_select="zlib"
2360 flv_decoder_select="h263_decoder"
2361 flv_encoder_select="h263_encoder"
2362 fourxm_decoder_select="blockdsp bswapdsp"
2363 fraps_decoder_select="bswapdsp huffman"
2364 g2m_decoder_select="blockdsp idctdsp jpegtables zlib"
2365 g729_decoder_select="audiodsp"
2366 h261_decoder_select="mpegvideo"
2367 h261_encoder_select="aandcttables mpegvideoenc"
2368 h263_decoder_select="h263_parser h263dsp mpegvideo qpeldsp"
2369 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
2370 h263i_decoder_select="h263_decoder"
2371 h263p_decoder_select="h263_decoder"
2372 h263p_encoder_select="h263_encoder"
2373 h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel videodsp"
2374 h264_decoder_suggest="error_resilience"
2375 hap_decoder_select="snappy texturedsp"
2376 hap_encoder_deps="libsnappy"
2377 hap_encoder_select="texturedspenc"
2378 hevc_decoder_select="bswapdsp cabac golomb videodsp"
2379 huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"
2380 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llviddsp"
2381 iac_decoder_select="imc_decoder"
2382 imc_decoder_select="bswapdsp fft mdct sinewin"
2383 indeo3_decoder_select="hpeldsp"
2384 indeo4_decoder_select="ividsp"
2385 indeo5_decoder_select="ividsp"
2386 interplay_video_decoder_select="hpeldsp"
2387 jpegls_decoder_select="golomb mjpeg_decoder"
2388 jpegls_encoder_select="golomb"
2389 jv_decoder_select="blockdsp"
2390 lagarith_decoder_select="huffyuvdsp"
2391 ljpeg_encoder_select="aandcttables idctdsp jpegtables"
2392 loco_decoder_select="golomb"
2393 magicyuv_decoder_select="huffyuvdsp"
2394 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2395 metasound_decoder_select="lsp mdct sinewin"
2396 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2397 mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"
2398 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
2399 mjpegb_decoder_select="mjpeg_decoder"
2400 mjpeg_vaapi_encoder_deps="VAEncPictureParameterBufferJPEG"
2401 mjpeg_vaapi_encoder_select="vaapi_encode jpegtables"
2402 mlp_decoder_select="mlp_parser"
2403 motionpixels_decoder_select="bswapdsp"
2404 mp1_decoder_select="mpegaudio"
2405 mp1float_decoder_select="mpegaudio"
2406 mp2_decoder_select="mpegaudio"
2407 mp2float_decoder_select="mpegaudio"
2408 mp3_decoder_select="mpegaudio"
2409 mp3adu_decoder_select="mpegaudio"
2410 mp3adufloat_decoder_select="mpegaudio"
2411 mp3float_decoder_select="mpegaudio"
2412 mp3on4_decoder_select="mpegaudio"
2413 mp3on4float_decoder_select="mpegaudio"
2414 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2415 mpc8_decoder_select="mpegaudiodsp"
2416 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
2417 mpeg_xvmc_decoder_select="mpeg2video_decoder"
2418 mpegvideo_decoder_select="mpegvideo"
2419 mpeg1video_decoder_select="mpegvideo"
2420 mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"
2421 mpeg2video_decoder_select="mpegvideo"
2422 mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"
2423 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2424 mpeg4_encoder_select="h263_encoder"
2425 msa1_decoder_select="mss34dsp"
2426 msmpeg4v1_decoder_select="h263_decoder"
2427 msmpeg4v2_decoder_select="h263_decoder"
2428 msmpeg4v2_encoder_select="h263_encoder"
2429 msmpeg4v3_decoder_select="h263_decoder"
2430 msmpeg4v3_encoder_select="h263_encoder"
2431 mss2_decoder_select="vc1_decoder mpegvideo"
2432 mts2_decoder_select="mss34dsp"
2433 mxpeg_decoder_select="mjpeg_decoder"
2434 nellymoser_decoder_select="mdct sinewin"
2435 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2436 nuv_decoder_select="idctdsp lzo"
2437 on2avc_decoder_select="mdct"
2438 opus_decoder_deps="swresample"
2439 opus_decoder_select="imdct15"
2440 png_decoder_select="zlib"
2441 png_encoder_select="huffyuvencdsp zlib"
2442 prores_decoder_select="blockdsp idctdsp"
2443 prores_encoder_select="fdctdsp"
2444 qcelp_decoder_select="lsp"
2445 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2446 ra_144_decoder_select="audiodsp"
2447 ra_144_encoder_select="audio_frame_queue lpc audiodsp"
2448 ralf_decoder_select="golomb"
2449 rawvideo_decoder_select="bswapdsp"
2450 rscc_decoder_select="zlib"
2451 rtjpeg_decoder_select="me_cmp"
2452 rv10_decoder_select="h263_decoder"
2453 rv10_encoder_select="h263_encoder"
2454 rv20_decoder_select="h263_decoder"
2455 rv20_encoder_select="h263_encoder"
2456 rv30_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2457 rv40_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2458 screenpresso_decoder_select="zlib"
2459 shorten_decoder_select="golomb"
2460 sipr_decoder_select="lsp"
2461 snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"
2462 snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"
2463 sonic_decoder_select="golomb rangecoder"
2464 sonic_encoder_select="golomb rangecoder"
2465 sonic_ls_encoder_select="golomb rangecoder"
2466 sp5x_decoder_select="mjpeg_decoder"
2467 svq1_decoder_select="hpeldsp"
2468 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2469 svq3_decoder_select="golomb h264dsp h264pred hpeldsp tpeldsp videodsp"
2470 svq3_decoder_suggest="zlib"
2471 tak_decoder_select="audiodsp"
2472 tdsc_decoder_select="zlib mjpeg_decoder"
2473 theora_decoder_select="vp3_decoder"
2474 thp_decoder_select="mjpeg_decoder"
2475 tiff_decoder_suggest="zlib lzma"
2476 tiff_encoder_suggest="zlib"
2477 truehd_decoder_select="mlp_parser"
2478 truemotion2_decoder_select="bswapdsp"
2479 truespeech_decoder_select="bswapdsp"
2480 tscc_decoder_select="zlib"
2481 twinvq_decoder_select="mdct lsp sinewin"
2482 txd_decoder_select="texturedsp"
2483 utvideo_decoder_select="bswapdsp"
2484 utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"
2485 vble_decoder_select="huffyuvdsp"
2486 vc1_decoder_select="blockdsp h263_decoder h264qpel intrax8 mpegvideo vc1dsp"
2487 vc1_qsv_decoder_deps="libmfx"
2488 vc1_qsv_decoder_select="qsvdec vc1_qsv_hwaccel"
2489 vc1image_decoder_select="vc1_decoder"
2490 vorbis_decoder_select="mdct"
2491 vorbis_encoder_select="mdct"
2492 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2493 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"
2494 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"
2495 vp6a_decoder_select="vp6_decoder"
2496 vp6f_decoder_select="vp6_decoder"
2497 vp7_decoder_select="h264pred videodsp vp8dsp"
2498 vp8_decoder_select="h264pred videodsp vp8dsp"
2499 vp9_decoder_select="videodsp vp9_parser"
2500 webp_decoder_select="vp8_decoder exif"
2501 wmalossless_decoder_select="llauddsp"
2502 wmapro_decoder_select="mdct sinewin wma_freqs"
2503 wmav1_decoder_select="mdct sinewin wma_freqs"
2504 wmav1_encoder_select="mdct sinewin wma_freqs"
2505 wmav2_decoder_select="mdct sinewin wma_freqs"
2506 wmav2_encoder_select="mdct sinewin wma_freqs"
2507 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2508 wmv1_decoder_select="h263_decoder"
2509 wmv1_encoder_select="h263_encoder"
2510 wmv2_decoder_select="blockdsp error_resilience h263_decoder idctdsp intrax8 videodsp wmv2dsp"
2511 wmv2_encoder_select="h263_encoder wmv2dsp"
2512 wmv3_decoder_select="vc1_decoder"
2513 wmv3image_decoder_select="wmv3_decoder"
2514 xma1_decoder_select="wmapro_decoder"
2515 xma2_decoder_select="wmapro_decoder"
2516 zerocodec_decoder_select="zlib"
2517 zlib_decoder_select="zlib"
2518 zlib_encoder_select="zlib"
2519 zmbv_decoder_select="zlib"
2520 zmbv_encoder_select="zlib"
2523 audiotoolbox_deps="AudioToolbox_AudioToolbox_h"
2524 audiotoolbox_extralibs="-framework CoreFoundation -framework AudioToolbox -framework CoreMedia"
2526 # hardware accelerators
2527 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
2529 d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder ID3D11VideoContext"
2530 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode"
2531 vaapi_deps="va_va_h"
2532 vda_framework_deps="VideoDecodeAcceleration_VDADecoder_h"
2533 vda_framework_extralibs="-framework VideoDecodeAcceleration"
2534 vda_deps="vda_framework pthreads"
2535 vda_extralibs="-framework CoreFoundation -framework QuartzCore"
2536 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
2537 videotoolbox_hwaccel_deps="videotoolbox pthreads"
2538 videotoolbox_hwaccel_extralibs="-framework QuartzCore"
2539 xvmc_deps="X11_extensions_XvMClib_h"
2541 h263_vaapi_hwaccel_deps="vaapi"
2542 h263_vaapi_hwaccel_select="h263_decoder"
2543 h263_videotoolbox_hwaccel_deps="videotoolbox"
2544 h263_videotoolbox_hwaccel_select="h263_decoder"
2545 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
2546 h264_cuvid_hwaccel_deps="cuda cuvid CUVIDH264PICPARAMS"
2547 h264_d3d11va_hwaccel_deps="d3d11va"
2548 h264_d3d11va_hwaccel_select="h264_decoder"
2549 h264_dxva2_hwaccel_deps="dxva2"
2550 h264_dxva2_hwaccel_select="h264_decoder"
2551 h264_mediacodec_decoder_deps="mediacodec"
2552 h264_mediacodec_decoder_select="h264_mp4toannexb_bsf h264_parser"
2553 h264_mmal_decoder_deps="mmal"
2554 h264_mmal_decoder_select="mmal"
2555 h264_mmal_hwaccel_deps="mmal"
2556 h264_omx_encoder_deps="omx"
2557 h264_qsv_hwaccel_deps="libmfx"
2558 h264_vaapi_hwaccel_deps="vaapi"
2559 h264_vaapi_hwaccel_select="h264_decoder"
2560 h264_vda_decoder_deps="vda"
2561 h264_vda_decoder_select="h264_decoder"
2562 h264_vda_hwaccel_deps="vda"
2563 h264_vda_hwaccel_select="h264_decoder"
2564 h264_vda_old_hwaccel_deps="vda"
2565 h264_vda_old_hwaccel_select="h264_decoder"
2566 h264_vdpau_decoder_deps="vdpau"
2567 h264_vdpau_decoder_select="h264_decoder"
2568 h264_vdpau_hwaccel_deps="vdpau"
2569 h264_vdpau_hwaccel_select="h264_decoder"
2570 h264_videotoolbox_hwaccel_deps="videotoolbox"
2571 h264_videotoolbox_hwaccel_select="h264_decoder"
2572 hevc_cuvid_hwaccel_deps="cuda cuvid CUVIDHEVCPICPARAMS"
2573 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2574 hevc_d3d11va_hwaccel_select="hevc_decoder"
2575 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2576 hevc_dxva2_hwaccel_select="hevc_decoder"
2577 hevc_qsv_hwaccel_deps="libmfx"
2578 hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC"
2579 hevc_vaapi_hwaccel_select="hevc_decoder"
2580 hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"
2581 hevc_vdpau_hwaccel_select="hevc_decoder"
2582 mpeg_vdpau_decoder_deps="vdpau"
2583 mpeg_vdpau_decoder_select="mpeg2video_decoder"
2584 mpeg_xvmc_hwaccel_deps="xvmc"
2585 mpeg_xvmc_hwaccel_select="mpeg2video_decoder"
2586 mpeg1_vdpau_decoder_deps="vdpau"
2587 mpeg1_vdpau_decoder_select="mpeg1video_decoder"
2588 mpeg1_vdpau_hwaccel_deps="vdpau"
2589 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2590 mpeg1_videotoolbox_hwaccel_deps="videotoolbox"
2591 mpeg1_videotoolbox_hwaccel_select="mpeg1video_decoder"
2592 mpeg1_xvmc_hwaccel_deps="xvmc"
2593 mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"
2594 mpeg2_crystalhd_decoder_select="crystalhd"
2595 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2596 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2597 mpeg2_dxva2_hwaccel_deps="dxva2"
2598 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2599 mpeg2_mmal_decoder_deps="mmal"
2600 mpeg2_mmal_decoder_select="mmal"
2601 mpeg2_mmal_hwaccel_deps="mmal"
2602 mpeg2_qsv_hwaccel_deps="libmfx"
2603 mpeg2_qsv_hwaccel_select="qsvdec_mpeg2"
2604 mpeg2_vaapi_hwaccel_deps="vaapi"
2605 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2606 mpeg2_vdpau_hwaccel_deps="vdpau"
2607 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2608 mpeg2_videotoolbox_hwaccel_deps="videotoolbox"
2609 mpeg2_videotoolbox_hwaccel_select="mpeg2video_decoder"
2610 mpeg2_xvmc_hwaccel_deps="xvmc"
2611 mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"
2612 mpeg4_crystalhd_decoder_select="crystalhd"
2613 mpeg4_mmal_decoder_deps="mmal"
2614 mpeg4_mmal_decoder_select="mmal"
2615 mpeg4_mmal_hwaccel_deps="mmal"
2616 mpeg4_omx_encoder_deps="omx"
2617 mpeg4_vaapi_hwaccel_deps="vaapi"
2618 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2619 mpeg4_vdpau_decoder_deps="vdpau"
2620 mpeg4_vdpau_decoder_select="mpeg4_decoder"
2621 mpeg4_vdpau_hwaccel_deps="vdpau"
2622 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2623 mpeg4_videotoolbox_hwaccel_deps="videotoolbox"
2624 mpeg4_videotoolbox_hwaccel_select="mpeg4_decoder"
2625 msmpeg4_crystalhd_decoder_select="crystalhd"
2626 vc1_crystalhd_decoder_select="crystalhd"
2627 vc1_cuvid_hwaccel_deps="cuda cuvid CUVIDVC1PICPARAMS"
2628 vc1_d3d11va_hwaccel_deps="d3d11va"
2629 vc1_d3d11va_hwaccel_select="vc1_decoder"
2630 vc1_dxva2_hwaccel_deps="dxva2"
2631 vc1_dxva2_hwaccel_select="vc1_decoder"
2632 vc1_mmal_decoder_deps="mmal"
2633 vc1_mmal_decoder_select="mmal"
2634 vc1_mmal_hwaccel_deps="mmal"
2635 vc1_qsv_hwaccel_deps="libmfx"
2636 vc1_qsv_hwaccel_select="qsvdec_vc1"
2637 vc1_vaapi_hwaccel_deps="vaapi"
2638 vc1_vaapi_hwaccel_select="vc1_decoder"
2639 vc1_vdpau_decoder_deps="vdpau"
2640 vc1_vdpau_decoder_select="vc1_decoder"
2641 vc1_vdpau_hwaccel_deps="vdpau"
2642 vc1_vdpau_hwaccel_select="vc1_decoder"
2643 vp8_cuvid_hwaccel_deps="cuda cuvid CUVIDVP9PICPARAMS"
2644 vp9_cuvid_hwaccel_deps="cuda cuvid CUVIDVP9PICPARAMS"
2645 vp9_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_VP9"
2646 vp9_d3d11va_hwaccel_select="vp9_decoder"
2647 vp9_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_VP9"
2648 vp9_dxva2_hwaccel_select="vp9_decoder"
2649 vp9_vaapi_hwaccel_deps="vaapi VADecPictureParameterBufferVP9"
2650 vp9_vaapi_hwaccel_select="vp9_decoder"
2651 wmv3_crystalhd_decoder_select="crystalhd"
2652 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2653 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2654 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2655 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2656 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2658 # hardware-accelerated codecs
2659 omx_deps="dlopen pthreads"
2660 omx_extralibs='$ldl'
2663 vaapi_encode_deps="vaapi"
2665 hwupload_cuda_filter_deps="cuda"
2666 scale_npp_filter_deps="cuda libnpp"
2668 nvenc_encoder_deps="nvenc"
2669 h264_cuvid_decoder_deps="cuda cuvid CUVIDH264PICPARAMS"
2670 h264_cuvid_decoder_select="h264_mp4toannexb_bsf h264_cuvid_hwaccel"
2671 h264_qsv_decoder_deps="libmfx"
2672 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
2673 h264_qsv_encoder_deps="libmfx"
2674 h264_qsv_encoder_select="qsvenc"
2675 h264_vaapi_encoder_deps="VAEncPictureParameterBufferH264"
2676 h264_vaapi_encoder_select="vaapi_encode golomb"
2678 hevc_cuvid_decoder_deps="cuda cuvid CUVIDHEVCPICPARAMS"
2679 hevc_cuvid_decoder_select="hevc_mp4toannexb_bsf hevc_cuvid_hwaccel"
2680 hevc_qsv_decoder_deps="libmfx"
2681 hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec hevc_qsv_hwaccel"
2682 hevc_qsv_encoder_deps="libmfx"
2683 hevc_qsv_encoder_select="qsvenc"
2684 hevc_vaapi_encoder_deps="VAEncPictureParameterBufferHEVC"
2685 hevc_vaapi_encoder_select="vaapi_encode golomb"
2686 mpeg2_qsv_decoder_deps="libmfx"
2687 mpeg2_qsv_decoder_select="qsvdec mpeg2_qsv_hwaccel"
2688 mpeg2_qsv_encoder_deps="libmfx"
2689 mpeg2_qsv_encoder_select="qsvenc"
2690 nvenc_h264_encoder_deps="nvenc"
2691 nvenc_hevc_encoder_deps="nvenc"
2693 vc1_cuvid_decoder_deps="cuda cuvid CUVIDVC1PICPARAMS"
2694 vc1_cuvid_decoder_select="vc1_cuvid_hwaccel"
2695 vp8_cuvid_decoder_deps="cuda cuvid CUVIDVP9PICPARAMS"
2696 vp8_cuvid_decoder_select="vp8_cuvid_hwaccel"
2697 vp9_cuvid_decoder_deps="cuda cuvid CUVIDVP9PICPARAMS"
2698 vp9_cuvid_decoder_select="vp9_cuvid_hwaccel"
2701 h264_parser_select="golomb h264dsp"
2702 hevc_parser_select="golomb"
2703 mpegvideo_parser_select="mpegvideo"
2704 mpeg4video_parser_select="h263dsp mpegvideo qpeldsp"
2705 vc1_parser_select="vc1dsp"
2708 mjpeg2jpeg_bsf_select="jpegtables"
2710 # external libraries
2711 aac_at_decoder_deps="audiotoolbox"
2712 ac3_at_decoder_deps="audiotoolbox"
2713 ac3_at_decoder_select="ac3_parser"
2714 adpcm_ima_qt_at_decoder_deps="audiotoolbox"
2715 alac_at_decoder_deps="audiotoolbox"
2716 amr_nb_at_decoder_deps="audiotoolbox"
2717 eac3_at_decoder_deps="audiotoolbox"
2718 eac3_at_decoder_select="ac3_parser"
2719 gsm_ms_at_decoder_deps="audiotoolbox"
2720 ilbc_at_decoder_deps="audiotoolbox"
2721 mp1_at_decoder_deps="audiotoolbox"
2722 mp2_at_decoder_deps="audiotoolbox"
2723 mp3_at_decoder_deps="audiotoolbox"
2724 pcm_alaw_at_decoder_deps="audiotoolbox"
2725 pcm_mulaw_at_decoder_deps="audiotoolbox"
2726 qdmc_at_decoder_deps="audiotoolbox"
2727 qdm2_at_decoder_deps="audiotoolbox"
2728 aac_at_encoder_deps="audiotoolbox"
2729 aac_at_encoder_select="audio_frame_queue"
2730 alac_at_encoder_deps="audiotoolbox"
2731 alac_at_encoder_select="audio_frame_queue"
2732 ilbc_at_encoder_deps="audiotoolbox"
2733 ilbc_at_encoder_select="audio_frame_queue"
2734 pcm_alaw_at_encoder_deps="audiotoolbox"
2735 pcm_alaw_at_encoder_select="audio_frame_queue"
2736 pcm_mulaw_at_encoder_deps="audiotoolbox"
2737 pcm_mulaw_at_encoder_select="audio_frame_queue"
2738 chromaprint_muxer_deps="chromaprint"
2739 h264_videotoolbox_encoder_deps="videotoolbox_encoder pthreads"
2740 libcelt_decoder_deps="libcelt"
2741 libfaac_encoder_deps="libfaac"
2742 libfaac_encoder_select="audio_frame_queue"
2743 libfdk_aac_decoder_deps="libfdk_aac"
2744 libfdk_aac_encoder_deps="libfdk_aac"
2745 libfdk_aac_encoder_select="audio_frame_queue"
2746 libgme_demuxer_deps="libgme"
2747 libgsm_decoder_deps="libgsm"
2748 libgsm_encoder_deps="libgsm"
2749 libgsm_ms_decoder_deps="libgsm"
2750 libgsm_ms_encoder_deps="libgsm"
2751 libilbc_decoder_deps="libilbc"
2752 libilbc_encoder_deps="libilbc"
2753 libkvazaar_encoder_deps="libkvazaar"
2754 libmodplug_demuxer_deps="libmodplug"
2755 libmp3lame_encoder_deps="libmp3lame"
2756 libmp3lame_encoder_select="audio_frame_queue"
2757 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2758 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2759 libopencore_amrnb_encoder_select="audio_frame_queue"
2760 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2761 libopenh264_encoder_deps="libopenh264"
2762 libopenjpeg_decoder_deps="libopenjpeg"
2763 libopenjpeg_encoder_deps="libopenjpeg"
2764 libopus_decoder_deps="libopus"
2765 libopus_encoder_deps="libopus"
2766 libopus_encoder_select="audio_frame_queue"
2767 libschroedinger_decoder_deps="libschroedinger"
2768 libschroedinger_encoder_deps="libschroedinger"
2769 libshine_encoder_deps="libshine"
2770 libshine_encoder_select="audio_frame_queue"
2771 libspeex_decoder_deps="libspeex"
2772 libspeex_encoder_deps="libspeex"
2773 libspeex_encoder_select="audio_frame_queue"
2774 libtheora_encoder_deps="libtheora"
2775 libtwolame_encoder_deps="libtwolame"
2776 libutvideo_decoder_deps="libutvideo"
2777 libutvideo_encoder_deps="libutvideo"
2778 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2779 libvorbis_decoder_deps="libvorbis"
2780 libvorbis_encoder_deps="libvorbis"
2781 libvorbis_encoder_select="audio_frame_queue"
2782 libvpx_vp8_decoder_deps="libvpx"
2783 libvpx_vp8_encoder_deps="libvpx"
2784 libvpx_vp9_decoder_deps="libvpx"
2785 libvpx_vp9_encoder_deps="libvpx"
2786 libwavpack_encoder_deps="libwavpack"
2787 libwebp_encoder_deps="libwebp"
2788 libwebp_anim_encoder_deps="libwebp"
2789 libx262_encoder_deps="libx262"
2790 libx264_encoder_deps="libx264"
2791 libx264rgb_encoder_deps="libx264 x264_csp_bgr"
2792 libx264rgb_encoder_select="libx264_encoder"
2793 libx265_encoder_deps="libx265"
2794 libxavs_encoder_deps="libxavs"
2795 libxvid_encoder_deps="libxvid"
2796 libzvbi_teletext_decoder_deps="libzvbi"
2797 videotoolbox_deps="VideoToolbox_VideoToolbox_h"
2798 videotoolbox_extralibs="-framework CoreFoundation -framework VideoToolbox -framework CoreMedia -framework CoreVideo"
2799 videotoolbox_encoder_deps="videotoolbox VTCompressionSessionPrepareToEncodeFrames"
2800 videotoolbox_encoder_suggest="vda_framework vt_bt2020"
2801 vt_bt2020_deps="kCVImageBufferColorPrimaries_ITU_R_2020"
2804 ac3_demuxer_select="ac3_parser"
2805 asf_demuxer_select="riffdec"
2806 asf_o_demuxer_select="riffdec"
2807 asf_muxer_select="riffenc"
2808 asf_stream_muxer_select="asf_muxer"
2809 avi_demuxer_select="iso_media riffdec exif"
2810 avi_muxer_select="riffenc"
2811 avisynth_demuxer_deps="avisynth"
2812 avisynth_demuxer_select="riffdec"
2813 caf_demuxer_select="iso_media riffdec"
2814 dash_muxer_select="mp4_muxer"
2815 dirac_demuxer_select="dirac_parser"
2816 dts_demuxer_select="dca_parser"
2817 dtshd_demuxer_select="dca_parser"
2818 dv_demuxer_select="dvprofile"
2819 dv_muxer_select="dvprofile"
2820 dxa_demuxer_select="riffdec"
2821 eac3_demuxer_select="ac3_parser"
2822 f4v_muxer_select="mov_muxer"
2823 flac_demuxer_select="flac_parser"
2824 hds_muxer_select="flv_muxer"
2825 hls_muxer_select="mpegts_muxer"
2826 image2_alias_pix_demuxer_select="image2_demuxer"
2827 image2_brender_pix_demuxer_select="image2_demuxer"
2828 ipod_muxer_select="mov_muxer"
2829 ismv_muxer_select="mov_muxer"
2830 libnut_demuxer_deps="libnut"
2831 libnut_muxer_deps="libnut"
2832 matroska_audio_muxer_select="matroska_muxer"
2833 matroska_demuxer_select="iso_media riffdec"
2834 matroska_demuxer_suggest="bzlib lzo zlib"
2835 matroska_muxer_select="iso_media riffenc"
2836 mmf_muxer_select="riffenc"
2837 mov_demuxer_select="iso_media riffdec"
2838 mov_demuxer_suggest="zlib"
2839 mov_muxer_select="iso_media riffenc rtpenc_chain"
2840 mp3_demuxer_select="mpegaudio_parser"
2841 mp4_muxer_select="mov_muxer"
2842 mpegts_demuxer_select="iso_media"
2843 mpegts_muxer_select="adts_muxer latm_muxer"
2844 mpegtsraw_demuxer_select="mpegts_demuxer"
2845 mxf_d10_muxer_select="mxf_muxer"
2846 mxf_opatom_muxer_select="mxf_muxer"
2847 nut_muxer_select="riffenc"
2848 nuv_demuxer_select="riffdec"
2849 oga_muxer_select="ogg_muxer"
2850 ogg_demuxer_select="dirac_parse"
2851 opus_muxer_select="ogg_muxer"
2852 psp_muxer_select="mov_muxer"
2853 rtp_demuxer_select="sdp_demuxer"
2854 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol srtp"
2855 rtsp_demuxer_select="http_protocol rtpdec"
2856 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2857 sap_demuxer_select="sdp_demuxer"
2858 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2859 sdp_demuxer_select="rtpdec"
2860 smoothstreaming_muxer_select="ismv_muxer"
2861 spdif_muxer_select="aac_parser"
2862 spx_muxer_select="ogg_muxer"
2863 swf_demuxer_suggest="zlib"
2864 tak_demuxer_select="tak_parser"
2865 tg2_muxer_select="mov_muxer"
2866 tgp_muxer_select="mov_muxer"
2867 vobsub_demuxer_select="mpegps_demuxer"
2868 w64_demuxer_select="wav_demuxer"
2869 w64_muxer_select="wav_muxer"
2870 wav_demuxer_select="riffdec"
2871 wav_muxer_select="riffenc"
2872 webm_muxer_select="iso_media riffenc"
2873 webm_dash_manifest_demuxer_select="matroska_demuxer"
2874 wtv_demuxer_select="mpegts_demuxer riffdec"
2875 wtv_muxer_select="mpegts_muxer riffenc"
2876 xmv_demuxer_select="riffdec"
2877 xwma_demuxer_select="riffdec"
2880 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2881 alsa_outdev_deps="alsa_asoundlib_h"
2882 avfoundation_indev_extralibs="-framework CoreVideo -framework Foundation -framework AVFoundation -framework CoreMedia"
2883 avfoundation_indev_select="avfoundation"
2884 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2885 caca_outdev_deps="libcaca"
2886 decklink_indev_deps="decklink pthreads"
2887 decklink_indev_extralibs="-lstdc++"
2888 decklink_outdev_deps="decklink pthreads"
2889 decklink_outdev_extralibs="-lstdc++"
2890 dshow_indev_deps="IBaseFilter"
2891 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"
2892 dv1394_indev_deps="dv1394"
2893 dv1394_indev_select="dv_demuxer"
2894 fbdev_indev_deps="linux_fb_h"
2895 fbdev_outdev_deps="linux_fb_h"
2896 gdigrab_indev_deps="CreateDIBSection"
2897 gdigrab_indev_extralibs="-lgdi32"
2898 gdigrab_indev_select="bmp_decoder"
2899 iec61883_indev_deps="libiec61883"
2900 jack_indev_deps="jack_jack_h"
2901 jack_indev_deps_any="sem_timedwait dispatch_dispatch_h"
2902 lavfi_indev_deps="avfilter"
2903 libcdio_indev_deps="libcdio"
2904 libdc1394_indev_deps="libdc1394"
2905 libv4l2_indev_deps="libv4l2"
2906 openal_indev_deps="openal"
2907 opengl_outdev_deps="opengl"
2908 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2909 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2910 pulse_indev_deps="libpulse"
2911 pulse_outdev_deps="libpulse"
2912 qtkit_indev_extralibs="-framework QTKit -framework Foundation -framework QuartzCore"
2913 qtkit_indev_select="qtkit"
2914 sdl_outdev_deps="sdl"
2915 sndio_indev_deps="sndio_h"
2916 sndio_outdev_deps="sndio_h"
2917 v4l_indev_deps="linux_videodev_h"
2918 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2919 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
2920 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2921 vfwcap_indev_extralibs="-lavicap32"
2922 x11grab_indev_deps="x11grab"
2923 x11grab_xcb_indev_deps="libxcb"
2924 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
2925 xv_outdev_extralibs="-lXv -lX11 -lXext"
2928 async_protocol_deps="threads"
2929 bluray_protocol_deps="libbluray"
2930 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2931 ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"
2932 ffrtmpcrypt_protocol_select="tcp_protocol"
2933 ffrtmphttp_protocol_deps="!librtmp_protocol"
2934 ffrtmphttp_protocol_select="http_protocol"
2935 ftp_protocol_select="tcp_protocol"
2936 gopher_protocol_select="network"
2937 http_protocol_select="tcp_protocol"
2938 httpproxy_protocol_select="tcp_protocol"
2939 https_protocol_select="tls_protocol"
2940 icecast_protocol_select="http_protocol"
2941 librtmp_protocol_deps="librtmp"
2942 librtmpe_protocol_deps="librtmp"
2943 librtmps_protocol_deps="librtmp"
2944 librtmpt_protocol_deps="librtmp"
2945 librtmpte_protocol_deps="librtmp"
2946 libsmbclient_protocol_deps="libsmbclient gplv3"
2947 libssh_protocol_deps="libssh"
2948 mmsh_protocol_select="http_protocol"
2949 mmst_protocol_select="network"
2950 rtmp_protocol_deps="!librtmp_protocol"
2951 rtmp_protocol_select="tcp_protocol"
2952 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2953 rtmps_protocol_deps="!librtmp_protocol"
2954 rtmps_protocol_select="tls_protocol"
2955 rtmpt_protocol_select="ffrtmphttp_protocol"
2956 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2957 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2958 rtp_protocol_select="udp_protocol"
2959 sctp_protocol_deps="struct_sctp_event_subscribe struct_msghdr_msg_flags"
2960 sctp_protocol_select="network"
2961 srtp_protocol_select="rtp_protocol srtp"
2962 tcp_protocol_select="network"
2963 tls_gnutls_protocol_deps="gnutls !tls_schannel_protocol !tls_securetransport_protocol"
2964 tls_gnutls_protocol_select="tcp_protocol"
2965 tls_openssl_protocol_deps="openssl !tls_schannel_protocol !tls_securetransport_protocol !tls_gnutls_protocol"
2966 tls_openssl_protocol_select="tcp_protocol"
2967 tls_schannel_protocol_deps="schannel"
2968 tls_schannel_protocol_select="tcp_protocol"
2969 tls_securetransport_protocol_deps="securetransport"
2970 tls_securetransport_protocol_select="tcp_protocol"
2971 tls_protocol_deps_any="tls_schannel_protocol tls_securetransport_protocol tls_gnutls_protocol tls_openssl_protocol"
2972 udp_protocol_select="network"
2973 udplite_protocol_select="network"
2974 unix_protocol_deps="sys_un_h"
2975 unix_protocol_select="network"
2978 afftfilt_filter_deps="avcodec"
2979 afftfilt_filter_select="fft"
2980 amovie_filter_deps="avcodec avformat"
2981 aresample_filter_deps="swresample"
2982 ass_filter_deps="libass"
2983 asyncts_filter_deps="avresample"
2984 atempo_filter_deps="avcodec"
2985 atempo_filter_select="rdft"
2986 azmq_filter_deps="libzmq"
2987 blackframe_filter_deps="gpl"
2988 boxblur_filter_deps="gpl"
2989 bs2b_filter_deps="libbs2b"
2990 colormatrix_filter_deps="gpl"
2991 cover_rect_filter_deps="avcodec avformat gpl"
2992 cropdetect_filter_deps="gpl"
2993 delogo_filter_deps="gpl"
2994 deshake_filter_select="pixelutils"
2995 drawtext_filter_deps="libfreetype"
2996 ebur128_filter_deps="gpl"
2997 eq_filter_deps="gpl"
2998 fftfilt_filter_deps="avcodec"
2999 fftfilt_filter_select="rdft"
3000 find_rect_filter_deps="avcodec avformat gpl"
3001 firequalizer_filter_deps="avcodec"
3002 firequalizer_filter_select="rdft"
3003 flite_filter_deps="libflite"
3004 framerate_filter_select="pixelutils"
3005 frei0r_filter_deps="frei0r dlopen"
3006 frei0r_src_filter_deps="frei0r dlopen"
3007 fspp_filter_deps="gpl"
3008 geq_filter_deps="gpl"
3009 histeq_filter_deps="gpl"
3010 hqdn3d_filter_deps="gpl"
3011 interlace_filter_deps="gpl"
3012 kerndeint_filter_deps="gpl"
3013 ladspa_filter_deps="ladspa dlopen"
3014 loudnorm_filter_deps="libebur128"
3015 mcdeint_filter_deps="avcodec gpl"
3016 movie_filter_deps="avcodec avformat"
3017 mpdecimate_filter_deps="gpl"
3018 mpdecimate_filter_select="pixelutils"
3019 mptestsrc_filter_deps="gpl"
3020 negate_filter_deps="lut_filter"
3021 nnedi_filter_deps="gpl"
3022 ocr_filter_deps="libtesseract"
3023 ocv_filter_deps="libopencv"
3024 owdenoise_filter_deps="gpl"
3025 pan_filter_deps="swresample"
3026 perspective_filter_deps="gpl"
3027 phase_filter_deps="gpl"
3028 pp7_filter_deps="gpl"
3029 pp_filter_deps="gpl postproc"
3030 pullup_filter_deps="gpl"
3031 removelogo_filter_deps="avcodec avformat swscale"
3032 repeatfields_filter_deps="gpl"
3033 resample_filter_deps="avresample"
3034 rubberband_filter_deps="librubberband"
3035 sab_filter_deps="gpl swscale"
3036 scale2ref_filter_deps="swscale"
3037 scale_filter_deps="swscale"
3038 select_filter_select="pixelutils"
3039 showcqt_filter_deps="avcodec avformat swscale"
3040 showcqt_filter_select="fft"
3041 showfreqs_filter_deps="avcodec"
3042 showfreqs_filter_select="fft"
3043 showspectrum_filter_deps="avcodec"
3044 showspectrum_filter_select="fft"
3045 showspectrumpic_filter_deps="avcodec"
3046 showspectrumpic_filter_select="fft"
3047 smartblur_filter_deps="gpl swscale"
3048 sofalizer_filter_deps="netcdf avcodec"
3049 sofalizer_filter_select="fft"
3050 spectrumsynth_filter_deps="avcodec"
3051 spectrumsynth_filter_select="fft"
3052 spp_filter_deps="gpl avcodec"
3053 spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"
3054 stereo3d_filter_deps="gpl"
3055 subtitles_filter_deps="avformat avcodec libass"
3056 super2xsai_filter_deps="gpl"
3057 pixfmts_super2xsai_test_deps="super2xsai_filter"
3058 tinterlace_filter_deps="gpl"
3059 tinterlace_merge_test_deps="tinterlace_filter"
3060 tinterlace_pad_test_deps="tinterlace_filter"
3061 uspp_filter_deps="gpl avcodec"
3062 vidstabdetect_filter_deps="libvidstab"
3063 vidstabtransform_filter_deps="libvidstab"
3064 zmq_filter_deps="libzmq"
3065 zoompan_filter_deps="swscale"
3066 zscale_filter_deps="libzimg"
3067 scale_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
3070 avcodec_example_deps="avcodec avutil"
3071 avio_dir_cmd="avformat avutil"
3072 avio_reading="avformat avcodec avutil"
3073 decoding_encoding_example_deps="avcodec avformat avutil"
3074 demuxing_decoding_example_deps="avcodec avformat avutil"
3075 extract_mvs_example_deps="avcodec avformat avutil"
3076 filter_audio_example_deps="avfilter avutil"
3077 filtering_audio_example_deps="avfilter avcodec avformat avutil"
3078 filtering_video_example_deps="avfilter avcodec avformat avutil"
3079 metadata_example_deps="avformat avutil"
3080 muxing_example_deps="avcodec avformat avutil swscale"
3081 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder vaapi_x11"
3082 remuxing_example_deps="avcodec avformat avutil"
3083 resampling_audio_example_deps="avutil swresample"
3084 scaling_video_example_deps="avutil swscale"
3085 transcode_aac_example_deps="avcodec avformat swresample"
3086 transcoding_example_deps="avfilter avcodec avformat avutil"
3088 # libraries, in linking order
3089 avcodec_deps="avutil"
3090 avdevice_deps="avformat avcodec avutil"
3091 avfilter_deps="avutil"
3092 avformat_deps="avcodec avutil"
3093 avresample_deps="avutil"
3094 postproc_deps="avutil gpl"
3095 swresample_deps="avutil"
3096 swscale_deps="avutil"
3099 ffmpeg_deps="avcodec avfilter avformat swresample"
3100 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
3102 setpts_filter trim_filter"
3103 ffplay_deps="avcodec avformat swscale swresample sdl"
3104 ffplay_libs='$sdl_libs'
3105 ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"
3106 ffprobe_deps="avcodec avformat"
3107 ffserver_deps="avformat fork sarestart"
3108 ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
3111 podpages_deps="perl"
3112 manpages_deps="perl pod2man"
3113 htmlpages_deps="perl"
3114 htmlpages_deps_any="makeinfo_html texi2html"
3115 txtpages_deps="perl makeinfo"
3116 doc_deps_any="manpages htmlpages podpages txtpages"
3118 # default parameters
3120 logfile="config.log"
3122 # installation paths
3123 prefix_default="/usr/local"
3124 bindir_default='${prefix}/bin'
3125 datadir_default='${prefix}/share/ffmpeg'
3126 docdir_default='${prefix}/share/doc/ffmpeg'
3127 incdir_default='${prefix}/include'
3128 libdir_default='${prefix}/lib'
3129 mandir_default='${prefix}/share/man'
3135 host_cc_default="gcc"
3137 doxygen_default="doxygen"
3139 ln_s_default="ln -s -f"
3142 pkg_config_default=pkg-config
3143 ranlib_default="ranlib"
3144 strip_default="strip"
3145 yasmexe_default="yasm"
3146 windres_default="windres"
3149 target_os_default=$(tolower $(uname -s))
3150 host_os=$target_os_default
3153 if test "$target_os_default" = aix; then
3154 arch_default=$(uname -p)
3155 strip_default="strip -X32_64"
3157 arch_default=$(uname -m)
3162 # configurable options
3163 enable $PROGRAM_LIST
3164 enable $DOCUMENT_LIST
3165 enable $EXAMPLE_LIST
3166 enable $(filter_out avresample $LIBRARY_LIST)
3172 enable faan faandct faanidct
3173 enable optimizations
3174 enable runtime_cpudetect
3175 enable safe_bitstream_reader
3177 enable swscale_alpha
3178 enable valgrind_backtrace
3180 sws_max_filter_size_default=256
3181 set_default sws_max_filter_size
3183 # Enable platform codecs by default.
3186 # Enable hwaccels by default.
3187 enable d3d11va dxva2 vaapi vda vdpau videotoolbox_hwaccel xvmc
3190 enable vda_framework videotoolbox videotoolbox_encoder
3193 SHFLAGS='-shared -Wl,-soname,$$(@F)'
3196 FULLNAME='$(NAME)$(BUILDSUF)'
3197 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
3200 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
3201 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
3202 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
3203 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
3204 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
3205 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
3230 host_cflags_filter=echo
3231 host_ldflags_filter=echo
3233 target_path='$(CURDIR)'
3235 # since the object filename is not given with the -MM flag, the compiler
3236 # is only able to print the basename, and we must add the path ourselves
3237 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>/dev/null | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(@F),$(@D)/$(@F)," > $(@:.o=.d)'
3241 if test -f configure; then
3244 source_path=$(cd $(dirname "$0"); pwd)
3245 case "$source_path" in
3246 *[[:blank:]]*) die "Out of tree builds are impossible with whitespace in source path." ;;
3248 test -e "$source_path/config.h" &&
3249 die "Out of tree builds are impossible with config.h in source dir."
3256 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
3262 file=$source_path/$3
3263 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
3266 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
3267 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
3268 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
3269 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
3270 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
3271 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
3272 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
3273 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
3274 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
3276 find_things_extern(){
3279 file=$source_path/$3
3280 sed -n "s/^[^#]*extern.*$pattern *ff_\([^ ]*\)_$thing;/\1_$thing/p" "$file"
3283 BSF_LIST=$(find_things_extern bsf AVBitStreamFilter libavcodec/bitstream_filters.c)
3284 PROTOCOL_LIST=$(find_things_extern protocol URLProtocol libavformat/protocols.c)
3300 for n in $COMPONENT_LIST; do
3301 v=$(toupper ${n%s})_LIST
3303 eval ${n}_if_any="\$$v"
3306 enable $ARCH_EXT_LIST
3309 echo "Unknown option \"$1\"."
3310 echo "See $0 --help for available options."
3314 print_in_columns() {
3315 cols=$(expr $ncols / 24)
3316 cat | tr ' ' '\n' | sort | pr -r "-$cols" -w $ncols -t
3322 echo $* | sed s/$suffix//g | print_in_columns
3334 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
3335 echo "prob ${prob:-0.5}"
3343 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
3344 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
3353 --extra-ldexeflags=*)
3354 add_ldexeflags $optval
3356 --extra-ldlibflags=*)
3357 add_ldlibflags $optval
3360 add_extralibs $optval
3363 disable $INDEV_LIST $OUTDEV_LIST
3366 debuglevel="$optval"
3369 disable $PROGRAM_LIST
3371 --disable-everything)
3372 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3375 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3376 disable $LIBRARY_LIST $PROGRAM_LIST doc
3379 --enable-random|--disable-random)
3380 action=${opt%%-random}
3381 do_random ${action#--} $COMPONENT_LIST
3383 --enable-random=*|--disable-random=*)
3384 action=${opt%%-random=*}
3385 do_random ${action#--} $optval
3387 --enable-*=*|--disable-*=*)
3388 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
3389 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
3390 eval list=\$$(toupper $thing)_LIST
3391 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
3392 list=$(filter "$name" $list)
3393 [ "$list" = "" ] && warn "Option $opt did not match anything"
3396 --enable-?*|--disable-?*)
3397 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
3398 if is_in $option $COMPONENT_LIST; then
3399 test $action = disable && action=unset
3400 eval $action \$$(toupper ${option%s})_LIST
3401 elif is_in $option $CMDLINE_SELECT; then
3408 NAME="${opt#--list-}"
3409 is_in $NAME $COMPONENT_LIST || die_unknown $opt
3411 eval show_list $NAME \$$(toupper $NAME)_LIST
3413 --help|-h) show_help
3415 --fatal-warnings) enable fatal_warnings
3418 optname="${opt%%=*}"
3419 optname="${optname#--}"
3420 optname=$(echo "$optname" | sed 's/-/_/g')
3421 if is_in $optname $CMDLINE_SET; then
3422 eval $optname='$optval'
3423 elif is_in $optname $CMDLINE_APPEND; then
3424 append $optname "$optval"
3436 disabled logging && logfile=/dev/null
3438 # Disable all the library-specific components if the library itself
3439 # is disabled, see AVCODEC_LIST and following _LIST variables.
3441 disable_components(){
3442 disabled ${1} && disable $(
3443 eval components="\$$(toupper ${1})_COMPONENTS"
3444 map 'eval echo \${$(toupper ${v%s})_LIST}' $components
3448 map 'disable_components $v' $LIBRARY_LIST
3450 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
3453 test -n "$valgrind" && toolchain="valgrind-memcheck"
3455 case "$toolchain" in
3457 cc_default="${toolchain%-asan}"
3458 add_cflags -fsanitize=address
3459 add_ldflags -fsanitize=address
3462 cc_default="${toolchain%-msan}"
3463 add_cflags -fsanitize=memory -fsanitize-memory-track-origins
3464 add_ldflags -fsanitize=memory
3467 cc_default="${toolchain%-tsan}"
3468 add_cflags -fsanitize=thread -pie
3469 add_ldflags -fsanitize=thread -pie
3470 case "$toolchain" in
3478 cc_default="${toolchain%-usan}"
3479 add_cflags -fsanitize=undefined
3480 add_ldflags -fsanitize=undefined
3483 target_exec_default="valgrind"
3484 case "$toolchain" in
3486 target_exec_args="--tool=massif --alloc-fn=av_malloc --alloc-fn=av_mallocz --alloc-fn=av_calloc --alloc-fn=av_fast_padded_malloc --alloc-fn=av_fast_malloc --alloc-fn=av_realloc_f --alloc-fn=av_fast_realloc --alloc-fn=av_realloc"
3489 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
3494 # Check whether the current MSVC version needs the C99 converter.
3495 # From MSVC 2013 (compiler major version 18) onwards, it does actually
3496 # support enough of C99 to build ffmpeg. Default to the new
3497 # behaviour if the regexp was unable to match anything, since this
3498 # successfully parses the version number of existing supported
3499 # versions that require the converter (MSVC 2010 and 2012).
3500 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
3501 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
3504 cc_default="c99wrap cl"
3506 ld_default="$source_path/compat/windows/mslink"
3507 nm_default="dumpbin -symbols"
3514 target_os_default="win32"
3515 # Use a relative path for TMPDIR. This makes sure all the
3516 # ffconf temp files are written with a relative path, avoiding
3517 # issues with msys/win32 path conversion for MSVC parameters
3518 # such as -Fo<file> or -out:<file>.
3524 nm_default="dumpbin -symbols"
3526 target_os_default="win32"
3530 add_cflags -fprofile-arcs -ftest-coverage
3531 add_ldflags -fprofile-arcs -ftest-coverage
3534 add_cflags -fprofile-arcs -ftest-coverage
3535 add_ldflags --coverage
3538 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
3539 add_cflags -fno-strict-overflow -fstack-protector-all
3540 add_ldflags -Wl,-z,relro -Wl,-z,now
3543 die "Unknown toolchain $toolchain"
3547 test -n "$cross_prefix" && enable cross_compile
3549 if enabled cross_compile; then
3550 test -n "$arch" && test -n "$target_os" ||
3551 die "Must specify target arch and OS when cross-compiling"
3554 ar_default="${cross_prefix}${ar_default}"
3555 cc_default="${cross_prefix}${cc_default}"
3556 cxx_default="${cross_prefix}${cxx_default}"
3557 nm_default="${cross_prefix}${nm_default}"
3558 pkg_config_default="${cross_prefix}${pkg_config_default}"
3559 if ${cross_prefix}${ranlib_default} 2>&1 | grep -q "\-D "; then
3560 ranlib_default="${cross_prefix}${ranlib_default} -D"
3562 ranlib_default="${cross_prefix}${ranlib_default}"
3564 strip_default="${cross_prefix}${strip_default}"
3565 windres_default="${cross_prefix}${windres_default}"
3567 sysinclude_default="${sysroot}/usr/include"
3569 set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \
3570 target_exec target_os yasmexe
3571 enabled cross_compile || host_cc_default=$cc
3574 pkg_config_fail_message=""
3575 if ! $pkg_config --version >/dev/null 2>&1; then
3576 warn "$pkg_config not found, library detection may fail."
3578 elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then
3579 pkg_config_fail_message="
3580 Note: When building a static binary, add --pkg-config-flags=\"--static\"."
3583 if test $doxygen != $doxygen_default && \
3584 ! $doxygen --version >/dev/null 2>&1; then
3585 warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."
3590 mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
3594 EXESUF=$(exesuf $target_os)
3595 HOSTEXESUF=$(exesuf $host_os)
3597 # set temporary file name
3598 : ${TMPDIR:=$TEMPDIR}
3602 if [ -n "$tempprefix" ] ; then
3604 echo $tempprefix.${HOSTNAME}.${UID}
3606 elif ! check_cmd mktemp -u XXXXXX; then
3607 # simple replacement for missing mktemp
3608 # NOT SAFE FOR GENERAL USE
3610 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
3615 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
3616 (set -C; exec > $tmp) 2>/dev/null ||
3617 die "Unable to create temporary file in $TMPDIR."
3618 append TMPFILES $tmp
3622 trap 'rm -f -- $TMPFILES' EXIT
3627 tmpfile TMPE $EXESUF
3639 # make sure we can execute files in $TMPDIR
3640 cat > $TMPSH 2>> $logfile <<EOF
3643 chmod +x $TMPSH >> $logfile 2>&1
3644 if ! $TMPSH >> $logfile 2>&1; then
3646 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
3647 variable to another directory and make sure that it is not mounted noexec.
3649 die "Sanity test failed."
3655 # Filter out MSVC cl.exe options from cflags that shouldn't
3656 # be passed to gas-preprocessor
3666 -std=c99) echo -c99 ;;
3667 -mcpu=*) echo -arch ${flag#*=} ;;
3668 -mieee) echo -ieee ;;
3669 -O*|-fast) echo $flag ;;
3670 -fno-math-errno) echo -assume nomath_errno ;;
3672 -Wall) echo -msg_enable level2 ;;
3673 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
3674 -Wl,*) echo $flag ;;
3684 -Wno-switch) echo -Wno-switch-enum ;;
3685 -Wno-format-zero-length) ;;
3686 -Wdisabled-optimization) ;;
3687 -Wno-pointer-sign) echo -Wno-other ;;
3693 msvc_common_flags(){
3696 # In addition to specifying certain flags under the compiler
3697 # specific filters, they must be specified here as well or else the
3698 # generic catch all at the bottom will print the original flag.
3702 -fomit-frame-pointer) ;;
3706 -fno-signed-zeros) ;;
3710 -lz) echo zlib.lib ;;
3711 -lavifil32) echo vfw32.lib ;;
3712 -lavicap32) echo vfw32.lib user32.lib ;;
3713 -lx264) echo libx264.lib ;;
3714 -l*) echo ${flag#-l}.lib ;;
3715 -LARGEADDRESSAWARE) echo $flag ;;
3716 -L*) echo -libpath:${flag#-L} ;;
3723 msvc_common_flags "$@"
3726 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
3727 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
3728 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
3730 -wd4273 -wd4554 -wd4701 ;;
3736 msvc_common_flags "$@"
3739 # Despite what Intel's documentation says -Wall, which is supported
3740 # on Windows, does enable remarks so disable them here.
3741 -Wall) echo $flag -Qdiag-disable:remark ;;
3742 -std=c99) echo -Qstd=c99 ;;
3760 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
3761 -fomit-frame-pointer) echo -Mnoframe ;;
3772 case "${flag#*=}" in
3773 native) echo -xtarget=native ;;
3774 v9|niagara) echo -xarch=sparc ;;
3775 ultrasparc) echo -xarch=sparcvis ;;
3776 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
3777 i586|pentium) echo -xchip=pentium ;;
3778 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
3779 pentium3*|c3-2) echo -xtarget=pentium3 ;;
3780 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
3781 pentium4*) echo -xtarget=pentium4 ;;
3782 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
3783 *-sse3) echo -xarch=sse3 ;;
3784 core2) echo -xarch=ssse3 -xchip=core2 ;;
3785 bonnell) echo -xarch=ssse3 ;;
3786 corei7|nehalem) echo -xtarget=nehalem ;;
3787 westmere) echo -xtarget=westmere ;;
3788 silvermont) echo -xarch=sse4_2 ;;
3789 corei7-avx|sandybridge) echo -xtarget=sandybridge ;;
3790 core-avx*|ivybridge|haswell|broadwell)
3792 amdfam10|barcelona) echo -xtarget=barcelona ;;
3793 btver1) echo -xarch=amdsse4a ;;
3794 btver2|bdver*) echo -xarch=avx ;;
3795 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
3796 k8|opteron|athlon64|athlon-fx)
3797 echo -xarch=sse2a ;;
3798 athlon*) echo -xarch=pentium_proa ;;
3801 -std=c99) echo -xc99 ;;
3802 -fomit-frame-pointer) echo -xregs=frameptr ;;
3803 -fPIC) echo -KPIC -xcode=pic32 ;;
3804 -W*,*) echo $flag ;;
3805 -f*-*|-W*|-mimpure-text) ;;
3816 case "${flag#*=}" in
3817 armv7-a|cortex-a*) echo -mv=7a8 ;;
3818 armv7-r|cortex-r*) echo -mv=7r4 ;;
3819 armv7-m|cortex-m*) echo -mv=7m3 ;;
3820 armv6*|arm11*) echo -mv=6 ;;
3821 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
3823 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
3826 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
3827 -mfpu=vfp) echo --float_support=vfpv2 ;;
3828 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
3829 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
3830 -msoft-float) echo --float_support=vfplib ;;
3831 -O[0-3]|-mf=*) echo $flag ;;
3833 -pds=*) echo $flag ;;
3834 -D*|-I*) echo $flag ;;
3835 --gcc|--abi=*) echo $flag ;;
3846 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
3847 unset _ld_o _ldflags _ld_lib _ld_path
3848 unset _depflags _DEPCMD _DEPFLAGS
3851 if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
3852 true # no-op to avoid reading stdin in following checks
3853 elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
3855 gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')
3856 _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"
3857 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3860 elif $_cc -v 2>&1 | grep -qi ^gcc; then
3862 gcc_version=$($_cc --version | head -n1)
3863 gcc_basever=$($_cc -dumpversion)
3864 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
3865 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
3866 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
3867 case $gcc_basever in
3870 *) _depflags='-MMD -MF $(@:.o=.d) -MT $@' ;;
3872 if [ "$first" = true ]; then
3873 case $gcc_basever in
3875 warn "gcc 4.2 is outdated and may miscompile FFmpeg. Please use a newer compiler." ;;
3880 elif $_cc --version 2>/dev/null | grep -q ^icc; then
3882 _ident=$($_cc --version | head -n1)
3887 _flags_filter=icc_flags
3888 elif $_cc -v 2>&1 | grep -q xlc; then
3890 _ident=$($_cc -qversion 2>/dev/null | head -n1)
3892 _cflags_size='-O5 -qcompact'
3893 elif $_cc -V 2>/dev/null | grep -q Compaq; then
3895 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
3897 _cflags_speed='-fast'
3899 _flags_filter=ccc_flags
3900 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
3901 test -d "$sysroot" || die "No valid sysroot specified."
3903 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
3904 armcc_conf="$PWD/armcc.conf"
3905 $_cc --arm_linux_configure \
3906 --arm_linux_config_file="$armcc_conf" \
3907 --configure_sysroot="$sysroot" \
3908 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
3909 die "Error creating armcc configuration file."
3910 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
3911 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
3912 as_default="${cross_prefix}gcc"
3916 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
3918 _ident=$($_cc -version | head -n1 | tr -s ' ')
3919 _flags='--gcc --abi=eabi -me'
3922 _depflags='-ppa -ppd=$(@:.o=.d)'
3923 _cflags_speed='-O3 -mf=5'
3924 _cflags_size='-O3 -mf=2'
3925 _flags_filter=tms470_flags
3926 elif $_cc -v 2>&1 | grep -q clang; then
3928 _ident=$($_cc --version 2>/dev/null | head -n1)
3929 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3932 elif $_cc -V 2>&1 | grep -q Sun; then
3934 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
3935 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3936 _DEPFLAGS='-xM1 -xc99'
3939 _cflags_size='-O5 -xspace'
3940 _flags_filter=suncc_flags
3941 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
3943 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3944 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3947 _flags_filter='filter_out -Wdisabled-optimization'
3948 elif $_cc -v 2>&1 | grep -q Open64; then
3950 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3951 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3954 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3955 elif $_cc -V 2>&1 | grep -q Portland; then
3957 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3958 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3959 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3960 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3962 _flags_filter=pgi_flags
3963 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
3965 _ident=$($_cc | head -n1)
3966 # 4509: "This form of conditional instruction is deprecated"
3967 _flags="-nologo -ignore 4509"
3968 _flags_filter=armasm_flags
3969 elif $_cc 2>&1 | grep -q Intel; then
3971 _ident=$($_cc 2>&1 | head -n1)
3972 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3973 # Not only is O3 broken on 13.x+ but it is slower on all previous
3974 # versions (tested) as well.
3976 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3977 if $_cc 2>&1 | grep -q Linker; then
3984 _flags_filter=icl_flags
3986 _ld_path='-libpath:'
3987 # -Qdiag-error to make icl error when seeing certain unknown arguments
3988 _flags='-nologo -Qdiag-error:4044,10157'
3989 # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency
3990 # with MSVC which enables it by default.
3991 _cflags='-D_USE_MATH_DEFINES -Qms0 -Qvec- -Qsimd- -GS -fp:precise'
3993 elif $_cc -nologo- 2>&1 | grep -q Microsoft; then
3995 _ident=$($_cc 2>&1 | head -n1)
3996 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3997 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
4000 if $_cc -nologo- 2>&1 | grep -q Linker; then
4007 _flags_filter=msvc_flags
4009 _ld_path='-libpath:'
4011 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS'
4013 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
4015 _ident=$($_cc --version | head -n1)
4019 _flags_filter=cparser_flags
4022 eval ${pfx}_type=\$_type
4023 eval ${pfx}_ident=\$_ident
4027 eval ${1}_C=\${_cc_c-\${${1}_C}}
4028 eval ${1}_E=\${_cc_e-\${${1}_E}}
4029 eval ${1}_O=\${_cc_o-\${${1}_O}}
4031 if [ -n "$_depflags" ]; then
4032 eval ${1}_DEPFLAGS=\$_depflags
4034 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
4035 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
4036 eval DEP${1}FLAGS=\$_flags
4040 probe_cc cc "$cc" "true"
4041 cflags_filter=$_flags_filter
4042 cflags_speed=$_cflags_speed
4043 cflags_size=$_cflags_size
4044 cflags_noopt=$_cflags_noopt
4045 add_cflags $_flags $_cflags
4046 cc_ldflags=$_ldflags
4049 probe_cc hostcc "$host_cc"
4050 host_cflags_filter=$_flags_filter
4051 add_host_cflags $_flags $_cflags
4054 test -n "$cc_type" && enable $cc_type ||
4055 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
4057 : ${as_default:=$cc}
4058 : ${objcc_default:=$cc}
4059 : ${dep_cc_default:=$cc}
4060 : ${ld_default:=$cc}
4061 : ${host_ld_default:=$host_cc}
4062 set_default ar as objcc dep_cc ld ln_s host_ld windres
4065 asflags_filter=$_flags_filter
4066 add_asflags $_flags $_cflags
4069 probe_cc objcc "$objcc"
4070 objcflags_filter=$_flags_filter
4071 add_objcflags $_flags $_cflags
4075 ldflags_filter=$_flags_filter
4076 add_ldflags $_flags $_ldflags
4077 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
4079 LD_LIB=${_ld_lib-$LD_LIB}
4080 LD_PATH=${_ld_path-$LD_PATH}
4082 probe_cc hostld "$host_ld"
4083 host_ldflags_filter=$_flags_filter
4084 add_host_ldflags $_flags $_ldflags
4085 HOSTLD_O=${_ld_o-$HOSTLD_O}
4087 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
4088 probe_cc depcc "$dep_cc"
4089 CCDEP=${_DEPCMD:-$DEPCMD}
4090 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
4094 if $ar 2>&1 | grep -q Microsoft; then
4097 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
4100 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
4101 arflags='-Xany -r -c'
4103 elif $ar 2>&1 | grep -q "\[D\] "; then
4111 add_cflags $extra_cflags
4112 add_cxxflags $extra_cxxflags
4113 add_objcflags $extra_objcflags
4114 add_asflags $extra_cflags
4116 if test -n "$sysroot"; then
4119 add_cppflags --sysroot="$sysroot"
4120 add_ldflags --sysroot="$sysroot"
4121 # On Darwin --sysroot may be ignored, -isysroot always affects headers and linking
4122 add_cppflags -isysroot "$sysroot"
4123 add_ldflags -isysroot "$sysroot"
4126 add_cppflags -I"$sysinclude"
4127 add_ldflags --sysroot="$sysroot"
4132 if test "$cpu" = host; then
4133 enabled cross_compile &&
4134 die "--cpu=host makes no sense when cross-compiling."
4139 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
4141 s/.*$1=\\([^ ]*\\).*/\\1/
4146 cpu=$(check_native -march || check_native -mcpu)
4150 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
4151 sed -n "/cc1.*-target-cpu /{
4152 s/.*-target-cpu \\([^ ]*\\).*/\\1/
4157 cpu=$(check_native -march)
4161 test "${cpu:-host}" = host &&
4162 die "--cpu=host not supported with compiler $cc"
4165 # Deal with common $arch aliases
4189 "Power Macintosh"|ppc*|powerpc*)
4204 i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
4209 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
4212 # Add processor-specific flags
4213 if enabled aarch64; then
4217 cpuflags="-march=$cpu"
4220 cpuflags="-mcpu=$cpu"
4224 elif enabled alpha; then
4226 cpuflags="-mcpu=$cpu"
4228 elif enabled arm; then
4231 check_cpp_condition stddef.h \
4232 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
4237 if check_arm_arch 4; then echo armv4
4238 elif check_arm_arch 4T; then echo armv4t
4239 elif check_arm_arch 5; then echo armv5
4240 elif check_arm_arch 5E; then echo armv5e
4241 elif check_arm_arch 5T; then echo armv5t
4242 elif check_arm_arch 5TE; then echo armv5te
4243 elif check_arm_arch 5TEJ; then echo armv5te
4244 elif check_arm_arch 6; then echo armv6
4245 elif check_arm_arch 6J; then echo armv6j
4246 elif check_arm_arch 6K; then echo armv6k
4247 elif check_arm_arch 6Z; then echo armv6z
4248 elif check_arm_arch 6ZK; then echo armv6zk
4249 elif check_arm_arch 6T2; then echo armv6t2
4250 elif check_arm_arch 7; then echo armv7
4251 elif check_arm_arch 7A 7_A; then echo armv7-a
4252 elif check_arm_arch 7S; then echo armv7-a
4253 elif check_arm_arch 7R 7_R; then echo armv7-r
4254 elif check_arm_arch 7M 7_M; then echo armv7-m
4255 elif check_arm_arch 7EM 7E_M; then echo armv7-m
4256 elif check_arm_arch 8A 8_A; then echo armv8-a
4260 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
4264 cpuflags="-march=$cpu"
4265 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
4268 cpuflags="-mcpu=$cpu"
4270 cortex-a*) subarch=armv7a ;;
4271 cortex-r*) subarch=armv7r ;;
4272 cortex-m*) enable thumb; subarch=armv7m ;;
4273 arm11*) subarch=armv6 ;;
4274 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
4275 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
4276 *) subarch=$(probe_arm_arch) ;;
4282 armv5t*) enable fast_clz ;;
4285 disabled fast_unaligned || enable fast_unaligned
4289 elif enabled avr32; then
4294 cpuflags="-mpart=$cpu"
4298 cpuflags="-march=$cpu"
4302 cpuflags="-mcpu=$cpu"
4306 cpuflags="-march=$cpu"
4310 elif enabled bfin; then
4312 cpuflags="-mcpu=$cpu"
4314 elif enabled mips; then
4316 cpuflags="-march=$cpu"
4318 if [ "$cpu" != "generic" ]; then
4328 24kc|24kf*|24kec|34kc|1004kc|24kef*|34kf*|1004kf*|74kc|74kf)
4339 enable local_aligned_8 local_aligned_16 local_aligned_32
4340 enable simd_align_16
4344 enable fast_unaligned
4345 disable aligned_stack
4348 cpuflags="-march=loongson3a -mhard-float -fno-expensive-optimizations"
4351 cpuflags="-march=loongson2e -mhard-float -fno-expensive-optimizations"
4354 cpuflags="-march=loongson2f -mhard-float -fno-expensive-optimizations"
4359 # Unknown CPU. Disable everything.
4360 warn "unknown CPU. Disabling all MIPS optimizations."
4383 24kef*|34kf*|1004kf*)
4391 check_cflags "-mtune=p5600" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops"
4395 check_cflags "-mtune=i6400 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64"
4399 # We do not disable anything. Is up to the user to disable the unwanted features.
4400 warn 'generic cpu selected'
4403 elif enabled ppc; then
4407 case $(tolower $cpu) in
4408 601|ppc601|powerpc601)
4409 cpuflags="-mcpu=601"
4412 603*|ppc603*|powerpc603*)
4413 cpuflags="-mcpu=603"
4416 604*|ppc604*|powerpc604*)
4417 cpuflags="-mcpu=604"
4420 g3|75*|ppc75*|powerpc75*)
4421 cpuflags="-mcpu=750"
4424 g4|745*|ppc745*|powerpc745*)
4425 cpuflags="-mcpu=7450"
4428 74*|ppc74*|powerpc74*)
4429 cpuflags="-mcpu=7400"
4432 g5|970|ppc970|powerpc970)
4433 cpuflags="-mcpu=970"
4437 cpuflags="-mcpu=$cpu"
4441 cpuflags="-mcpu=$cpu"
4444 cpuflags="-mcpu=cell"
4449 cpuflags="-mcpu=e500mc"
4453 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
4458 cpuflags="-mcpu=8540 -mhard-float"
4464 elif enabled sparc; then
4467 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
4468 cpuflags="-mcpu=$cpu"
4470 ultrasparc*|niagara[234])
4471 cpuflags="-mcpu=$cpu"
4475 elif enabled x86; then
4479 cpuflags="-march=$cpu"
4483 # targets that do NOT support nopl and conditional mov (cmov)
4484 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
4485 cpuflags="-march=$cpu"
4488 # targets that do support nopl and conditional mov (cmov)
4489 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\
4490 |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|amdfam10|barcelona|b[dt]ver*)
4491 cpuflags="-march=$cpu"
4495 # targets that do support conditional mov but on which it's slow
4496 pentium4|pentium4m|prescott|nocona)
4497 cpuflags="-march=$cpu"
4505 if [ "$cpu" != generic ]; then
4506 add_cflags $cpuflags
4507 add_asflags $cpuflags
4508 test "$cc_type" = "$ld_type" && add_ldflags $cpuflags
4511 # compiler sanity check
4513 int main(void){ return 0; }
4515 if test "$?" != 0; then
4516 echo "$cc is unable to create an executable file."
4517 if test -z "$cross_prefix" && ! enabled cross_compile ; then
4518 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
4519 echo "Only do this if you know what cross compiling means."
4521 die "C compiler test failed."
4524 add_cppflags -D_ISOC99_SOURCE
4525 add_cxxflags -D__STDC_CONSTANT_MACROS
4526 check_cflags -std=c99
4527 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
4530 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
4534 add_host_cppflags -D_ISOC99_SOURCE
4535 check_host_cflags -std=c99
4536 check_host_cflags -Wall
4537 check_host_cflags -O3
4543 check_code cc "" "int test[2*($expr) - 1]" &&
4544 subarch=$arch64 || subarch=$arch32
4552 check_64bit mips mips64 '_MIPS_SIM > 1'
4556 check_64bit parisc parisc64 'sizeof(void *) > 4'
4560 check_64bit ppc ppc64 'sizeof(void *) > 4'
4564 check_64bit s390 s390x 'sizeof(void *) > 4'
4568 check_64bit sparc sparc64 'sizeof(void *) > 4'
4572 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
4573 # Treat x32 as x64 for now. Note it also needs spic=$shared
4574 test "$subarch" = "x86_32" && check_cpp_condition stddef.h 'defined(__x86_64__)' &&
4576 if test "$subarch" = "x86_64"; then
4581 check_cc <<EOF && subarch="ppc64"
4582 int test[(int)sizeof(char*) - 7];
4588 enabled spic && enable_weak pic
4594 add_cppflags '-I\$(SRC_PATH)/compat/aix'
4595 enabled shared && add_ldflags -Wl,-brtl
4599 enable section_data_rel_ro
4600 SLIB_INSTALL_NAME='$(SLIBNAME)'
4602 SHFLAGS='-shared -Wl,-soname,$(SLIBNAME)'
4605 prefix_default="/boot/common"
4606 network_extralibs="-lnetwork"
4610 SHFLAGS='-shared -Wl,-h,$$(@F)'
4611 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
4612 network_extralibs="-lsocket -lnsl"
4613 add_cppflags -D__EXTENSIONS__
4614 # When using suncc to build, the Solaris linker will mark
4615 # an executable with each instruction set encountered by
4616 # the Solaris assembler. As our libraries contain their own
4617 # guards for processor-specific code, instead suppress
4618 # generation of the HWCAPS ELF section on Solaris x86 only.
4619 enabled_all suncc x86 &&
4620 echo "hwcap_1 = OVERRIDE;" > mapfile &&
4621 add_ldflags -Wl,-M,mapfile
4622 nm_default='nm -P -g'
4623 SLIB_CREATE_DEF_CMD='$(Q)perl $(SRC_PATH)/compat/solaris/make_sunver.pl $$(filter %.ver,$$^) $(OBJS) | grep -v @ > $(SUBDIR)lib$(NAME).ver-sol2'
4627 oss_indev_extralibs="-lossaudio"
4628 oss_outdev_extralibs="-lossaudio"
4629 enabled gcc || check_ldflags -Wl,-zmuldefs
4634 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
4636 oss_indev_extralibs="-lossaudio"
4637 oss_outdev_extralibs="-lossaudio"
4645 add_extralibs -lpoll -lgnugetopt
4649 enabled ppc && add_asflags -force_cpusubtype_ALL
4650 install_name_dir_default='$(SHLIBDIR)'
4651 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(INSTALL_NAME_DIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
4652 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
4654 add_ldflags -Wl,-dynamic,-search_paths_first
4656 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
4657 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
4659 enabled x86_64 && objformat="macho64"
4660 enabled_any pic shared x86_64 ||
4661 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
4662 check_header dispatch/dispatch.h &&
4663 add_cppflags '-I\$(SRC_PATH)/compat/dispatch_semaphore'
4666 die "Native MSYS builds are discouraged, please use the MINGW environment."
4669 if test $target_os = "mingw32ce"; then
4674 decklink_outdev_extralibs="$decklink_outdev_extralibs -lole32 -loleaut32"
4675 decklink_indev_extralibs="$decklink_indev_extralibs -lole32 -loleaut32"
4677 if enabled x86_64; then
4678 LIBTARGET="i386:x86-64"
4679 elif enabled arm; then
4682 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
4683 enabled x86_32 && check_ldflags -Wl,--large-address-aware
4684 shlibdir_default="$bindir_default"
4687 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4688 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4689 dlltool="${cross_prefix}dlltool"
4690 if check_cmd lib.exe -list; then
4691 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4692 if enabled x86_64; then
4695 elif check_cmd $dlltool --version; then
4696 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
4698 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4700 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4701 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4702 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--disable-auto-image-base'
4706 check_ldflags -Wl,--nxcompat,--dynamicbase
4707 # Lets work around some stupidity in binutils.
4708 # ld will strip relocations from executables even though we need them
4709 # for dynamicbase (ASLR). Using -pie does retain the reloc section
4710 # however ld then forgets what the entry point should be (oops) so we
4711 # have to manually (re)set it.
4712 if enabled x86_32; then
4713 disabled debug && add_ldexeflags -Wl,--pic-executable,-e,_mainCRTStartup
4714 elif enabled x86_64; then
4715 disabled debug && add_ldexeflags -Wl,--pic-executable,-e,mainCRTStartup
4716 check_ldflags -Wl,--high-entropy-va # binutils 2.25
4717 # Set image base >4GB for extra entropy with HEASLR
4718 add_ldexeflags -Wl,--image-base,0x140000000
4719 append SHFLAGS -Wl,--image-base,0x180000000
4724 if enabled shared; then
4725 # Link to the import library instead of the normal static library
4728 # Cannot build both shared and static libs with MSVC or icl.
4731 enabled x86_32 && check_ldflags -LARGEADDRESSAWARE
4732 shlibdir_default="$bindir_default"
4735 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4736 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4737 SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
4738 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4740 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4741 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4742 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4749 shlibdir_default="$bindir_default"
4752 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4753 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4754 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4756 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
4757 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
4760 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
4762 *-dos|freedos|opendos)
4763 network_extralibs="-lsocket"
4766 add_cppflags -U__STRICT_ANSI__
4770 enable section_data_rel_ro
4774 ranlib="echo ignoring ranlib"
4779 add_cppflags -D_GNU_SOURCE
4780 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
4781 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
4785 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4786 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(FULLNAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
4787 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(FULLNAME).def; \
4788 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(FULLNAME).def; \
4789 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(FULLNAME).def; \
4790 echo EXPORTS >> $(SUBDIR)$(FULLNAME).def; \
4791 emxexp $(OBJS) >> $(SUBDIR)$(FULLNAME).def'
4792 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(FULLNAME)_dll.a $(SUBDIR)$(FULLNAME).def; \
4793 emximp -o $(SUBDIR)$(LIBPREF)$(FULLNAME)_dll.lib $(SUBDIR)$(FULLNAME).def;'
4794 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4796 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(FULLNAME)_dll.a $(LIBPREF)$(FULLNAME)_dll.lib'
4798 enable_weak os2threads
4801 add_cppflags -D_BSD_SOURCE
4806 add_cppflags -D_QNX_SOURCE
4807 network_extralibs="-lsocket"
4812 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
4813 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
4814 add_ldflags -Wl,--target1-abs,--no-undefined \
4815 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
4816 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
4817 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
4818 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
4819 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
4822 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
4827 add_cppflags -D_C99_SNPRINTF_EXTENSION \
4828 -D_REENTRANT_SOURCE \
4829 -D_RESEARCH_SOURCE \
4832 add_compat strtod.o strtod=avpriv_strtod
4833 network_extralibs='-lbsd'
4834 exeobjs=compat/plan9/main.o
4841 die "Unknown OS '$target_os'."
4845 # test if creating links works
4846 link_dest=$(mktemp -u $TMPDIR/dest_XXXXXXXX)
4847 link_name=$(mktemp -u $TMPDIR/name_XXXXXXXX)
4849 $ln_s "$link_dest" "$link_name"
4850 touch "$link_dest/test_file"
4851 if [ "$source_path" != "." ] && ([ ! -d src ] || [ -L src ]) && [ -e "$link_name/test_file" ]; then
4852 # create link to source path
4853 [ -e src ] && rm src
4854 $ln_s "$source_path" src
4857 # creating directory links doesn't work
4858 # fall back to using the full source path
4859 source_link="$source_path"
4865 # determine libc flavour
4870 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
4871 if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
4872 eval ${pfx}libc_type=uclibc
4873 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4874 elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then
4875 eval ${pfx}libc_type=glibc
4876 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4877 # MinGW headers can be installed on Cygwin, so check for newlib first.
4878 elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
4879 eval ${pfx}libc_type=newlib
4880 add_${pfx}cppflags -U__STRICT_ANSI__
4881 # MinGW64 is backwards compatible with MinGW32, so check for it first.
4882 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
4883 eval ${pfx}libc_type=mingw64
4884 if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then
4885 add_compat msvcrt/snprintf.o
4886 add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
4888 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4889 eval test \$${pfx_no_}cc_type = "gcc" &&
4890 add_${pfx}cppflags -D__printf__=__gnu_printf__
4891 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" ||
4892 check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
4893 eval ${pfx}libc_type=mingw32
4894 check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
4895 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
4896 die "ERROR: MinGW32 runtime version must be >= 3.15."
4897 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4898 eval test \$${pfx_no_}cc_type = "gcc" &&
4899 add_${pfx}cppflags -D__printf__=__gnu_printf__
4900 elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
4901 eval ${pfx}libc_type=msvcrt
4902 if check_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then
4903 if [ "$pfx" = host_ ]; then
4904 add_host_cppflags -Dsnprintf=_snprintf
4906 add_compat strtod.o strtod=avpriv_strtod
4907 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
4908 _snprintf=avpriv_snprintf \
4909 vsnprintf=avpriv_vsnprintf
4912 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
4913 # 0x601 by default unless something else is set by the user.
4914 # This can easily lead to us detecting functions only present
4915 # in such new versions and producing binaries requiring windows 7.0.
4916 # Therefore explicitly set the default to XP unless the user has
4917 # set something else on the command line.
4918 # Don't do this if WINAPI_FAMILY is set and is set to a non-desktop
4919 # family. For these cases, configure is free to use any functions
4920 # found in the SDK headers by default. (Alternatively, we could force
4921 # _WIN32_WINNT to 0x0602 in that case.)
4922 check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||
4923 { check_${pfx}cpp <<EOF && add_${pfx}cppflags -D_WIN32_WINNT=0x0502; }
4924 #ifdef WINAPI_FAMILY
4925 #include <winapifamily.h>
4926 #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
4931 elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
4932 eval ${pfx}libc_type=klibc
4933 elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then
4934 eval ${pfx}libc_type=bionic
4935 elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then
4936 eval ${pfx}libc_type=solaris
4937 add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
4939 check_${pfx}cc <<EOF
4941 void *v = localtime_r;
4943 test "$?" != 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
4945 void *v = localtime_r;
4951 test -n "$libc_type" && enable libc_$libc_type
4953 test -n "$host_libc_type" && enable host_libc_$host_libc_type
4957 add_compat strtod.o strtod=avpriv_strtod
4961 # hacks for compiler/libc/os combinations
4963 if enabled_all tms470 libc_glibc; then
4964 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
4965 add_cppflags -D__USER_LABEL_PREFIX__=
4966 add_cppflags -D__builtin_memset=memset
4967 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
4968 add_cflags -pds=48 # incompatible redefinition of macro
4971 if enabled_all ccc libc_glibc; then
4972 add_ldflags -Wl,-z,now # calls to libots crash without this
4975 check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||
4976 add_cppflags '-I\$(SRC_PATH)/compat/float'
4979 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
4982 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
4984 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
4987 : ${shlibdir_default:="$libdir"}
4988 : ${pkgconfigdir_default:="$libdir/pkgconfig"}
4990 set_default $PATHS_LIST
4993 # we need to build at least one lib type
4994 if ! enabled_any static shared; then
4996 At least one library type must be built.
4997 Specify --enable-static to build the static libraries or --enable-shared to
4998 build the shared libraries as well. To only build the shared libraries specify
4999 --disable-static in addition to --enable-shared.
5004 die_license_disabled() {
5005 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
5008 die_license_disabled_gpl() {
5009 enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }
5012 die_license_disabled gpl frei0r
5013 die_license_disabled gpl libcdio
5014 die_license_disabled gpl librubberband
5015 die_license_disabled gpl libsmbclient
5016 die_license_disabled gpl libutvideo
5017 die_license_disabled gpl libvidstab
5018 die_license_disabled gpl libx264
5019 die_license_disabled gpl libx265
5020 die_license_disabled gpl libxavs
5021 die_license_disabled gpl libxvid
5022 die_license_disabled gpl x11grab
5024 die_license_disabled nonfree cuda
5025 die_license_disabled nonfree cuvid
5026 die_license_disabled nonfree libfaac
5027 die_license_disabled nonfree libnpp
5028 enabled gpl && die_license_disabled_gpl nonfree libfdk_aac
5029 enabled gpl && die_license_disabled_gpl nonfree openssl
5031 die_license_disabled version3 gmp
5032 die_license_disabled version3 libopencore_amrnb
5033 die_license_disabled version3 libopencore_amrwb
5034 die_license_disabled version3 libsmbclient
5035 die_license_disabled version3 libvo_amrwbenc
5037 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
5039 disabled optimizations || check_cflags -fomit-frame-pointer
5042 disabled pic && return
5045 case "$target_os" in
5055 enabled pic && enable_weak_pic
5057 check_cc <<EOF || die "Symbol mangling check failed."
5060 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
5061 extern_prefix=${sym%%ff_extern*}
5063 check_cc <<EOF && enable_weak inline_asm
5064 void foo(void) { __asm__ volatile ("" ::); }
5068 for restrict_keyword in restrict __restrict__ __restrict; do
5069 check_cc <<EOF && _restrict=$restrict_keyword && break
5070 void foo(char * $restrict_keyword p);
5074 check_cc <<EOF && enable pragma_deprecated
5075 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
5078 check_cc <<EOF && enable attribute_packed
5079 struct { int x; } __attribute__((packed)) x;
5082 check_cc <<EOF && enable attribute_may_alias
5083 union { int x; } __attribute__((may_alias)) x;
5086 check_cc <<EOF || die "endian test failed"
5087 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
5089 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
5091 if ! enabled ppc64 || enabled bigendian; then
5096 log "check_gas using '$as' as AS"
5097 # :vararg is used on aarch64, arm and ppc altivec
5098 check_as <<EOF || return 1
5099 .macro m n, y:vararg=0
5104 # .altmacro is only used in arm asm
5105 ! enabled arm || check_as <<EOF || return 1
5112 if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then
5114 enabled_any arm aarch64 && nogas=die
5115 enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn
5119 arm*) gaspp_as_type=armasm; as_noop=-h ;;
5120 gcc) gaspp_as_type=gas ;;
5121 *) gaspp_as_type=$as_type ;;
5124 [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"
5126 test "${as#*gas-preprocessor.pl}" != "$as" ||
5127 check_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- ${as:=$cc} $as_noop &&
5128 gas="${gas:=gas-preprocessor.pl} -arch $arch -as-type $gaspp_as_type -- ${as:=$cc}"
5130 if ! check_gas ; then
5133 $nogas "GNU assembler not found, install/update gas-preprocessor"
5136 check_as <<EOF && enable as_func
5142 check_inline_asm inline_asm_labels '"1:\n"'
5144 check_inline_asm inline_asm_nonlocal_labels '"Label:\n"'
5146 if enabled aarch64; then
5147 enabled armv8 && check_insn armv8 'prfm pldl1strm, [x0]'
5148 # internal assembler in clang 3.3 does not support this instruction
5149 enabled neon && check_insn neon 'ext v0.8B, v0.8B, v1.8B, #1'
5150 enabled vfp && check_insn vfp 'fmadd d0, d0, d1, d2'
5152 map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM
5154 elif enabled alpha; then
5158 elif enabled arm; then
5160 enabled msvc && check_cpp_condition stddef.h "defined _M_ARMT" && enable thumb
5162 check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb
5163 float func(float a, float b){ return a+b; }
5166 enabled thumb && check_cflags -mthumb || check_cflags -marm
5168 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
5170 elif check_cpp_condition stddef.h "defined _M_ARM_FP && _M_ARM_FP >= 30"; then
5172 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__" && [ $target_os != darwin ]; then
5173 case "${cross_prefix:-$cc}" in
5174 *hardfloat*) enable vfp_args; fpabi=vfp ;;
5175 *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
5176 __asm__ (".eabi_attribute 28, 1");
5177 int main(void) { return 0; }
5180 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
5183 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
5184 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
5185 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
5186 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
5187 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
5188 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
5189 enabled setend && check_insn setend 'setend be'
5191 [ $target_os = linux ] || [ $target_os = android ] ||
5192 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
5195 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
5197 check_as <<EOF && enable as_dn_directive
5202 # llvm's integrated assembler supports .object_arch from llvm 3.5
5203 [ "$objformat" = elf ] && check_as <<EOF && enable as_object_arch
5207 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
5209 elif enabled mips; then
5211 enabled loongson2 && check_inline_asm loongson2 '"dmult.g $8, $9, $10"'
5212 enabled loongson3 && check_inline_asm loongson3 '"gsldxc1 $f0, 0($2, $3)"'
5213 enabled mmi && check_inline_asm mmi '"punpcklhw $f0, $f0, $f0"'
5215 # Enable minimum ISA based on selected options
5216 if enabled mips64; then
5217 enabled mips64r6 && check_inline_asm_flags mips64r6 '"dlsa $0, $0, $0, 1"' '-mips64r6'
5218 enabled mips64r2 && check_inline_asm_flags mips64r2 '"dext $0, $0, 0, 1"' '-mips64r2'
5219 disabled mips64r6 && disabled mips64r2 && check_inline_asm_flags mips64r1 '"daddi $0, $0, 0"' '-mips64'
5221 enabled mips32r6 && check_inline_asm_flags mips32r6 '"aui $0, $0, 0"' '-mips32r6'
5222 enabled mips32r5 && check_inline_asm_flags mips32r5 '"eretnc"' '-mips32r5'
5223 enabled mips32r2 && check_inline_asm_flags mips32r2 '"ext $0, $0, 0, 1"' '-mips32r2'
5224 disabled mips32r6 && disabled mips32r5 && disabled mips32r2 && check_inline_asm_flags mips32r1 '"addi $0, $0, 0"' '-mips32'
5227 enabled mipsfpu && check_inline_asm_flags mipsfpu '"cvt.d.l $f0, $f2"' '-mhard-float'
5228 enabled mipsfpu && (enabled mips32r5 || enabled mips32r6 || enabled mips64r6) && check_inline_asm_flags mipsfpu '"cvt.d.l $f0, $f1"' '-mfp64'
5229 enabled mipsfpu && enabled msa && check_inline_asm_flags msa '"addvi.b $w0, $w1, 1"' '-mmsa' && check_header msa.h || disable msa
5230 enabled mipsdsp && check_inline_asm_flags mipsdsp '"addu.qb $t0, $t1, $t2"' '-mdsp'
5231 enabled mipsdspr2 && check_inline_asm_flags mipsdspr2 '"absq_s.qb $t0, $t1"' '-mdspr2'
5233 elif enabled parisc; then
5235 if enabled gcc; then
5236 case $($cc -dumpversion) in
5237 4.[3-9].*) check_cflags -fno-optimize-sibling-calls ;;
5241 elif enabled ppc; then
5243 enable local_aligned_8 local_aligned_16 local_aligned_32
5245 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
5246 check_inline_asm ibm_asm '"add 0, 0, 0"'
5247 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
5248 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
5250 # AltiVec flags: The FSF version of GCC differs from the Apple version
5251 if enabled altivec; then
5252 check_cflags -maltivec -mabi=altivec &&
5253 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
5254 check_cflags -faltivec
5256 # check if our compiler supports Motorola AltiVec C API
5257 check_cc <<EOF || disable altivec
5260 vector signed int v1 = (vector signed int) { 0 };
5261 vector signed int v2 = (vector signed int) { 1 };
5262 v1 = vec_add(v1, v2);
5267 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
5270 if enabled vsx; then
5271 check_cflags -mvsx &&
5272 check_builtin vec_vsx_ld "altivec.h" "__builtin_vec_vsx_ld" || disable vsx
5275 if enabled power8; then
5276 check_cpp_condition "altivec.h" "defined(_ARCH_PWR8)" || disable power8
5279 elif enabled x86; then
5281 check_builtin rdtsc intrin.h "__rdtsc()"
5282 check_builtin mm_empty mmintrin.h "_mm_empty()"
5284 enable local_aligned_8 local_aligned_16 local_aligned_32
5286 # check whether EBP is available on x86
5287 # As 'i' is stored on the stack, this program will crash
5288 # if the base pointer is used to access it because the
5289 # base pointer is cleared in the inline assembly code.
5290 check_exec_crash <<EOF && enable ebp_available
5292 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
5296 # check whether EBX is available on x86
5297 check_inline_asm ebx_available '""::"b"(0)' &&
5298 check_inline_asm ebx_available '"":::"%ebx"'
5300 # check whether xmm clobbers are supported
5301 check_inline_asm xmm_clobbers '"":::"%xmm0"'
5303 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' ||
5304 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"'
5306 # check whether binutils is new enough to compile SSSE3/MMXEXT
5307 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
5308 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
5310 if ! disabled_any asm mmx yasm; then
5311 if check_cmd $yasmexe --version; then
5312 enabled x86_64 && yasm_extra="-m amd64"
5313 yasm_debug="-g dwarf2"
5314 elif check_cmd nasm -v; then
5316 yasm_debug="-g -F dwarf"
5317 if enabled x86_64; then
5318 case "$objformat" in
5319 elf) objformat=elf64 ;;
5320 win32) objformat=win64 ;;
5325 YASMFLAGS="-f $objformat $yasm_extra"
5326 enabled pic && append YASMFLAGS "-DPIC"
5327 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
5328 case "$objformat" in
5329 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
5332 check_yasm "movbe ecx, [5]" && enable yasm ||
5333 die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."
5334 check_yasm "vextracti128 xmm0, ymm0, 0" || disable avx2_external
5335 check_yasm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external
5336 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
5337 check_yasm "CPU amdnop" || disable cpunop
5341 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
5348 check_code cc arm_neon.h "int16x8_t test = vdupq_n_s16(0)" && enable intrinsics_neon
5350 check_ldflags -Wl,--as-needed
5351 check_ldflags -Wl,-z,noexecstack
5353 if check_func dlopen; then
5355 elif check_func dlopen -ldl; then
5359 decklink_outdev_extralibs="$decklink_outdev_extralibs $ldl"
5360 decklink_indev_extralibs="$decklink_indev_extralibs $ldl"
5361 frei0r_filter_extralibs='$ldl'
5362 frei0r_src_filter_extralibs='$ldl'
5363 ladspa_filter_extralibs='$ldl'
5364 nvenc_encoder_extralibs='$ldl'
5365 coreimage_filter_extralibs="-framework QuartzCore -framework AppKit -framework OpenGL"
5366 coreimagesrc_filter_extralibs="-framework QuartzCore -framework AppKit -framework OpenGL"
5368 if ! disabled network; then
5369 check_func getaddrinfo $network_extralibs
5370 check_func inet_aton $network_extralibs
5372 check_type netdb.h "struct addrinfo"
5373 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
5374 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
5375 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
5376 check_type poll.h "struct pollfd"
5377 check_type netinet/sctp.h "struct sctp_event_subscribe"
5378 check_struct "sys/socket.h" "struct msghdr" msg_flags
5379 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
5380 check_type netinet/in.h "struct sockaddr_in6"
5381 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
5382 check_type "sys/types.h sys/socket.h" socklen_t
5384 # Prefer arpa/inet.h over winsock2
5385 if check_header arpa/inet.h ; then
5386 check_func closesocket
5387 elif check_header winsock2.h ; then
5388 check_func_headers winsock2.h closesocket -lws2 &&
5389 network_extralibs="-lws2" ||
5390 { check_func_headers winsock2.h closesocket -lws2_32 &&
5391 network_extralibs="-lws2_32"; } || disable winsock2_h network
5392 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
5394 check_type ws2tcpip.h socklen_t
5395 check_type ws2tcpip.h "struct addrinfo"
5396 check_type ws2tcpip.h "struct group_source_req"
5397 check_type ws2tcpip.h "struct ip_mreq_source"
5398 check_type ws2tcpip.h "struct ipv6_mreq"
5399 check_type winsock2.h "struct pollfd"
5400 check_struct winsock2.h "struct sockaddr" sa_len
5401 check_type ws2tcpip.h "struct sockaddr_in6"
5402 check_type ws2tcpip.h "struct sockaddr_storage"
5408 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
5409 check_builtin atomic_compare_exchange "" "int *ptr, *oldval; int newval; __atomic_compare_exchange_n(ptr, oldval, newval, 0, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST)"
5410 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
5411 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
5412 check_builtin sarestart signal.h "SA_RESTART"
5413 check_builtin sem_timedwait semaphore.h "sem_t *s; sem_init(s,0,0); sem_timedwait(s,0); sem_destroy(s)" -lpthread
5414 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
5415 check_builtin gmtime_r time.h "time_t *time; struct tm *tm; gmtime_r(time, tm)"
5416 check_builtin localtime_r time.h "time_t *time; struct tm *tm; localtime_r(time, tm)"
5417 check_builtin x264_csp_bgr "stdint.h x264.h" "X264_CSP_BGR"
5419 case "$custom_allocator" in
5421 # jemalloc by default does not use a prefix
5422 require libjemalloc jemalloc/jemalloc.h malloc -ljemalloc
5425 require_pkg_config libtcmalloc gperftools/tcmalloc.h tc_malloc
5430 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
5431 check_func ${malloc_prefix}memalign && enable memalign
5432 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
5435 check_func arc4random
5436 check_func_headers time.h clock_gettime || { check_func_headers time.h clock_gettime -lrt && add_extralibs -lrt && LIBRT="-lrt"; }
5439 check_func gethrtime
5441 check_func getrusage
5442 check_func gettimeofday
5444 check_func mach_absolute_time
5448 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
5449 check_func_headers time.h nanosleep || { check_func_headers time.h nanosleep -lrt && add_extralibs -lrt && LIBRT="-lrt"; }
5450 check_func sched_getaffinity
5451 check_func setrlimit
5452 check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE
5453 check_func strerror_r
5458 check_func_headers conio.h kbhit
5459 check_func_headers io.h setmode
5460 check_func_headers lzo/lzo1x.h lzo1x_999_compress
5461 check_func_headers stdlib.h getenv
5462 check_func_headers sys/stat.h lstat
5464 check_func_headers windows.h CoTaskMemFree -lole32
5465 check_func_headers windows.h GetProcessAffinityMask
5466 check_func_headers windows.h GetProcessTimes
5467 check_func_headers windows.h GetSystemTimeAsFileTime
5468 check_func_headers windows.h MapViewOfFile
5469 check_func_headers windows.h PeekNamedPipe
5470 check_func_headers windows.h SetConsoleTextAttribute
5471 check_func_headers windows.h SetConsoleCtrlHandler
5472 check_func_headers windows.h Sleep
5473 check_func_headers windows.h VirtualAlloc
5474 check_struct windows.h "CONDITION_VARIABLE" Ptr
5475 check_func_headers glob.h glob
5477 check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext
5479 check_header AudioToolbox/AudioToolbox.h
5480 check_header direct.h
5481 check_header dirent.h
5482 check_header dlfcn.h
5483 check_header d3d11.h
5485 check_header dxva2api.h -D_WIN32_WINNT=0x0600
5487 check_header libcrystalhd/libcrystalhd_if.h
5488 check_header mach/mach_time.h
5489 check_header malloc.h
5490 check_header net/udplite.h
5492 check_header sys/mman.h
5493 check_header sys/param.h
5494 check_header sys/resource.h
5495 check_header sys/select.h
5496 check_header sys/time.h
5497 check_header sys/un.h
5498 check_header termios.h
5499 check_header unistd.h
5500 check_header valgrind/valgrind.h
5501 check_header vdpau/vdpau.h
5502 check_header vdpau/vdpau_x11.h
5503 check_header VideoDecodeAcceleration/VDADecoder.h
5504 check_header VideoToolbox/VideoToolbox.h
5505 check_func_headers VideoToolbox/VTCompressionSession.h VTCompressionSessionPrepareToEncodeFrames -framework VideoToolbox
5506 enabled videotoolbox && check_func_headers CoreVideo/CVImageBuffer.h kCVImageBufferColorPrimaries_ITU_R_2020 -framework CoreVideo
5507 check_header windows.h
5508 check_header X11/extensions/XvMClib.h
5509 check_header asm/types.h
5511 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
5512 check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32
5513 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
5514 check_lib "CoreServices/CoreServices.h" UTGetOSTypeFromString "-framework CoreServices"
5516 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
5518 check_type "windows.h dxva.h" "DXVA_PicParams_HEVC" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0
5519 check_type "windows.h dxva.h" "DXVA_PicParams_VP9" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0
5520 check_type "windows.h d3d11.h" "ID3D11VideoDecoder"
5521 check_type "windows.h d3d11.h" "ID3D11VideoContext"
5522 check_type "d3d9.h dxva2api.h" DXVA2_ConfigPictureDecode -D_WIN32_WINNT=0x0602
5524 check_type "va/va.h" "VAPictureParameterBufferHEVC"
5525 check_type "va/va.h" "VADecPictureParameterBufferVP9"
5526 check_type "va/va.h va/va_vpp.h" "VAProcPipelineParameterBuffer"
5527 check_type "va/va.h va/va_enc_h264.h" "VAEncPictureParameterBufferH264"
5528 check_type "va/va.h va/va_enc_hevc.h" "VAEncPictureParameterBufferHEVC"
5529 check_type "va/va.h va/va_enc_jpeg.h" "VAEncPictureParameterBufferJPEG"
5531 check_type "vdpau/vdpau.h" "VdpPictureInfoHEVC"
5533 check_type "cuviddec.h" "CUVIDH264PICPARAMS"
5534 check_type "cuviddec.h" "CUVIDHEVCPICPARAMS"
5535 check_type "cuviddec.h" "CUVIDVC1PICPARAMS"
5536 check_type "cuviddec.h" "CUVIDVP9PICPARAMS"
5538 check_cpp_condition windows.h "!WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)" && enable winrt || disable winrt
5540 if ! disabled w32threads && ! enabled pthreads; then
5541 check_func_headers "windows.h process.h" _beginthreadex &&
5542 enable w32threads || disable w32threads
5543 if ! enabled w32threads && enabled winrt; then
5544 check_func_headers "windows.h" CreateThread &&
5545 enable w32threads || disable w32threads
5549 # check for some common methods of building with pthread support
5550 # do this before the optional library checks as some of them require pthreads
5551 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
5553 if check_func pthread_join -pthread && check_func pthread_create -pthread; then
5555 add_extralibs -pthread
5556 elif check_func pthread_join -pthreads && check_func pthread_create -pthreads; then
5557 add_cflags -pthreads
5558 add_extralibs -pthreads
5559 elif check_func pthread_join -ldl -pthread && check_func pthread_create -ldl -pthread; then
5560 add_cflags -ldl -pthread
5561 add_extralibs -ldl -pthread
5562 elif check_func pthread_join -lpthreadGC2 && check_func pthread_create -lpthreadGC2; then
5563 add_extralibs -lpthreadGC2
5564 elif check_lib pthread.h pthread_join -lpthread && check_lib pthread.h pthread_create -lpthread; then
5566 elif ! check_func pthread_join && ! check_func pthread_create; then
5569 check_code cc "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER" || disable pthreads
5573 if enabled pthreads; then
5574 check_func pthread_cancel
5578 check_builtin sem_timedwait semaphore.h "sem_t *s; sem_init(s,0,0); sem_timedwait(s,0); sem_destroy(s)"
5580 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
5581 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
5582 disabled lzma || check_lib2 lzma.h lzma_version_number -llzma || disable lzma
5584 check_lib math.h sin -lm && LIBM="-lm"
5585 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
5593 for func in $MATH_FUNCS; do
5594 eval check_mathfunc $func \${${func}_args:-1}
5597 for func in $COMPLEX_FUNCS; do
5598 eval check_complexfunc $func \${${func}_args:-1}
5601 # Enable CUVID by default if CUDA is enabled
5602 if enabled cuda && ! disabled cuvid; then
5606 # these are off by default, so fail if requested and not available
5607 enabled avfoundation_indev && { check_header_objcc AVFoundation/AVFoundation.h || disable avfoundation_indev; }
5608 enabled avfoundation_indev && { check_lib2 CoreGraphics/CoreGraphics.h CGGetActiveDisplayList -framework CoreGraphics ||
5609 check_lib2 ApplicationServices/ApplicationServices.h CGGetActiveDisplayList -framework ApplicationServices; }
5610 enabled avisynth && { { check_lib2 "windows.h" LoadLibrary; } ||
5611 { check_lib2 "dlfcn.h" dlopen -ldl; } ||
5612 die "ERROR: LoadLibrary/dlopen not found for avisynth"; }
5613 enabled cuda && { check_lib cuda.h cuInit -lcuda ||
5614 die "ERROR: CUDA not found"; }
5615 enabled cuvid && { check_lib cuviddec.h cuvidCreateDecoder -lnvcuvid ||
5616 die "ERROR: CUVID not found"; } &&
5618 die "ERROR: CUVID requires CUDA"; }
5619 enabled chromaprint && require chromaprint chromaprint.h chromaprint_get_version -lchromaprint
5620 enabled coreimage_filter && { check_header_objcc QuartzCore/CoreImage.h || disable coreimage_filter; }
5621 enabled coreimagesrc_filter && { check_header_objcc QuartzCore/CoreImage.h || disable coreimagesrc_filter; }
5622 enabled decklink && { check_header DeckLinkAPI.h || die "ERROR: DeckLinkAPI.h header not found"; }
5623 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
5624 enabled gmp && require2 gmp gmp.h mpz_export -lgmp
5625 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
5626 enabled jni && { [ $target_os = "android" ] && check_header jni.h && enabled pthreads &&
5627 check_lib2 "dlfcn.h" dlopen -ldl; }
5628 enabled ladspa && { check_header ladspa.h || die "ERROR: ladspa.h header not found"; }
5629 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
5630 enabled libass && require_pkg_config libass ass/ass.h ass_library_init
5631 enabled libbluray && require_pkg_config libbluray libbluray/bluray.h bd_open
5632 enabled libbs2b && require_pkg_config libbs2b bs2b.h bs2b_open
5633 enabled libcelt && require libcelt celt/celt.h celt_decode -lcelt0 &&
5634 { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
5635 die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
5636 enabled libcaca && require_pkg_config caca caca.h caca_create_canvas
5637 enabled libebur128 && require ebur128 ebur128.h ebur128_relative_threshold -lebur128
5638 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
5639 enabled libfdk_aac && { use_pkg_config fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen ||
5640 { require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac &&
5641 warn "using libfdk without pkg-config"; } }
5642 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"
5643 enabled libflite && require2 libflite "flite/flite.h" flite_init $flite_libs
5644 enabled fontconfig && enable libfontconfig
5645 enabled libfontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
5646 enabled libfreetype && require_libfreetype
5647 enabled libfribidi && require_pkg_config fribidi fribidi.h fribidi_version_info
5648 enabled libgme && require libgme gme/gme.h gme_new_emu -lgme -lstdc++
5649 enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
5650 check_lib "${gsm_hdr}" gsm_create -lgsm && break;
5651 done || die "ERROR: libgsm not found"; }
5652 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
5653 enabled libkvazaar && require_pkg_config "kvazaar >= 0.8.1" kvazaar.h kvz_api_get
5654 enabled libmfx && require_pkg_config libmfx "mfx/mfxvideo.h" MFXInit
5655 enabled libmodplug && require_pkg_config libmodplug libmodplug/modplug.h ModPlug_Load
5656 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
5657 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
5658 enabled libnpp && require libnpp npp.h nppGetLibVersion -lnppi -lnppc
5659 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
5660 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
5661 enabled libopencv && { check_header opencv2/core/core_c.h &&
5662 { use_pkg_config opencv opencv2/core/core_c.h cvCreateImageHeader ||
5663 require opencv opencv2/core/core_c.h cvCreateImageHeader -lopencv_core -lopencv_imgproc; } ||
5664 require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader; }
5665 enabled libopenh264 && require_pkg_config openh264 wels/codec_api.h WelsGetCodecVersion
5666 enabled libopenjpeg && { check_lib openjpeg-2.1/openjpeg.h opj_version -lopenjp2 -DOPJ_STATIC ||
5667 check_lib openjpeg-2.0/openjpeg.h opj_version -lopenjp2 -DOPJ_STATIC ||
5668 check_lib openjpeg-1.5/openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||
5669 check_lib openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||
5670 die "ERROR: libopenjpeg not found"; }
5671 enabled libopus && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
5672 enabled libpulse && require_pkg_config libpulse pulse/pulseaudio.h pa_context_new
5673 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
5674 enabled librubberband && require_pkg_config "rubberband >= 1.8.1" rubberband/rubberband-c.h rubberband_new
5675 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
5676 enabled libshine && require_pkg_config shine shine/layer3.h shine_encode_buffer
5677 enabled libsmbclient && { use_pkg_config smbclient libsmbclient.h smbc_init ||
5678 require smbclient libsmbclient.h smbc_init -lsmbclient; }
5679 enabled libsnappy && require snappy snappy-c.h snappy_compress -lsnappy
5680 enabled libsoxr && require libsoxr soxr.h soxr_create -lsoxr && LIBSOXR="-lsoxr"
5681 enabled libssh && require_pkg_config libssh libssh/sftp.h sftp_init
5682 enabled libspeex && require_pkg_config speex speex/speex.h speex_decoder_init -lspeex
5683 enabled libtesseract && require_pkg_config tesseract tesseract/capi.h TessBaseAPICreate
5684 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
5685 enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame &&
5686 { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
5687 die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
5688 enabled libutvideo && { require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++ &&
5689 check_cpp_condition utvideo/utvideo.h "!defined(UTVIDEO_VERSION_MAJOR) || UTVIDEO_VERSION_MAJOR < 15 || UTVIDEO_VERSION_MAJOR == 15 && UTVIDEO_VERSION_MINOR < 4" ||
5690 die "ERROR: libutvideo version must be <= 15.3.0."; }
5691 enabled libv4l2 && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
5692 enabled libvidstab && require_pkg_config "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit
5693 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
5694 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
5697 enabled libvpx_vp8_decoder && {
5698 use_pkg_config "vpx >= 0.9.1" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp8_dx ||
5699 check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
5700 die "ERROR: libvpx decoder version must be >=0.9.1";
5702 enabled libvpx_vp8_encoder && {
5703 use_pkg_config "vpx >= 0.9.7" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp8_cx ||
5704 check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VP8E_SET_MAX_INTRA_BITRATE_PCT" -lvpx ||
5705 die "ERROR: libvpx encoder version must be >=0.9.7";
5707 enabled libvpx_vp9_decoder && {
5708 use_pkg_config "vpx >= 1.3.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx ||
5709 check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx ||
5710 disable libvpx_vp9_decoder;
5712 enabled libvpx_vp9_encoder && {
5713 use_pkg_config "vpx >= 1.3.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx ||
5714 check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VP9E_SET_AQ_MODE" -lvpx ||
5715 disable libvpx_vp9_encoder;
5717 if disabled_all libvpx_vp8_decoder libvpx_vp9_decoder libvpx_vp8_encoder libvpx_vp9_encoder; then
5718 die "libvpx enabled but no supported decoders found"
5722 enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack
5723 enabled libwebp && {
5724 enabled libwebp_encoder && require_pkg_config "libwebp >= 0.2.0" webp/encode.h WebPGetEncoderVersion
5725 enabled libwebp_anim_encoder && { use_pkg_config "libwebpmux >= 0.4.0" webp/mux.h WebPAnimEncoderOptionsInit || disable libwebp_anim_encoder; } }
5726 enabled libx264 && { use_pkg_config x264 "stdint.h x264.h" x264_encoder_encode ||
5727 { require libx264 x264.h x264_encoder_encode -lx264 &&
5728 warn "using libx264 without pkg-config"; } } &&
5729 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
5730 die "ERROR: libx264 must be installed and version must be >= 0.118."; } &&
5731 { check_cpp_condition x264.h "X264_MPEG2" &&
5733 enabled libx265 && require_pkg_config x265 x265.h x265_api_get &&
5734 { check_cpp_condition x265.h "X265_BUILD >= 68" ||
5735 die "ERROR: libx265 version must be >= 68."; }
5736 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
5737 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
5738 enabled libzimg && require_pkg_config zimg zimg.h zimg_get_api_version
5739 enabled libzmq && require_pkg_config libzmq zmq.h zmq_ctx_new
5740 enabled libzvbi && require libzvbi libzvbi.h vbi_decoder_new -lzvbi &&
5741 { check_cpp_condition libzvbi.h "VBI_VERSION_MAJOR > 0 || VBI_VERSION_MINOR > 2 || VBI_VERSION_MINOR == 2 && VBI_VERSION_MICRO >= 28" ||
5742 enabled gpl || die "ERROR: libzvbi requires version 0.2.28 or --enable-gpl."; }
5743 enabled mediacodec && { enabled jni || die "ERROR: mediacodec requires --enable-jni"; }
5744 enabled mmal && { check_lib interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ||
5745 { ! enabled cross_compile && {
5746 add_cflags -isystem/opt/vc/include/ -isystem/opt/vc/include/interface/vmcs_host/linux -isystem/opt/vc/include/interface/vcos/pthreads -fgnu89-inline ;
5747 add_extralibs -L/opt/vc/lib/ -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ;
5748 check_lib interface/mmal/mmal.h mmal_port_connect ; }
5749 check_lib interface/mmal/mmal.h mmal_port_connect ; } ||
5750 die "ERROR: mmal not found"; }
5751 enabled mmal && check_func_headers interface/mmal/mmal.h "MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS"
5753 enabled netcdf && require_pkg_config netcdf netcdf.h nc_inq_libvers
5754 enabled nvenc && { check_header nvEncodeAPI.h || die "ERROR: nvEncodeAPI.h not found."; } &&
5755 { check_cpp_condition nvEncodeAPI.h "NVENCAPI_MAJOR_VERSION >= 6" ||
5756 die "ERROR: NVENC API version 5 or older is not supported"; } &&
5757 { [ $target_os != cygwin ] || die "ERROR: NVENC is not supported on Cygwin currently."; }
5758 enabled openal && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
5759 check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
5760 die "ERROR: openal not found"; } &&
5761 { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
5762 die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
5763 enabled opencl && { check_lib2 OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||
5764 check_lib2 CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||
5765 die "ERROR: opencl not found"; } &&
5766 { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||
5767 check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||
5768 die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }
5769 enabled opengl && { check_lib GL/glx.h glXGetProcAddress "-lGL" ||
5770 check_lib2 windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||
5771 check_lib2 OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||
5772 check_lib2 ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||
5773 die "ERROR: opengl not found."
5775 enabled omx_rpi && enable omx
5776 enabled omx && { check_header OMX_Core.h ||
5777 { ! enabled cross_compile && enabled omx_rpi && {
5778 add_cflags -isystem/opt/vc/include/IL ; }
5779 check_header OMX_Core.h ; } ||
5780 die "ERROR: OpenMAX IL headers not found"; }
5781 enabled openssl && { use_pkg_config openssl openssl/ssl.h SSL_library_init ||
5782 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
5783 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
5784 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
5785 die "ERROR: openssl not found"; }
5786 enabled qtkit_indev && { check_header_objcc QTKit/QTKit.h || disable qtkit_indev; }
5789 if enabled libdc1394; then
5790 { require_pkg_config libdc1394-2 dc1394/dc1394.h dc1394_new &&
5791 enable libdc1394_2; } ||
5792 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
5793 enable libdc1394_1; } ||
5794 die "ERROR: No version of libdc1394 found "
5797 if enabled gcrypt; then
5798 GCRYPT_CONFIG="${cross_prefix}libgcrypt-config"
5799 if "${GCRYPT_CONFIG}" --version > /dev/null 2>&1; then
5800 gcrypt_cflags=$("${GCRYPT_CONFIG}" --cflags)
5801 gcrypt_libs=$("${GCRYPT_CONFIG}" --libs)
5802 check_func_headers gcrypt.h gcry_mpi_new $gcrypt_cflags $gcrypt_libs ||
5803 die "ERROR: gcrypt not found"
5804 add_cflags $gcrypt_cflags && add_extralibs $gcrypt_libs
5806 require2 gcrypt gcrypt.h gcry_mpi_new -lgcrypt
5810 if ! disabled sdl; then
5811 SDL_CONFIG="${cross_prefix}sdl-config"
5812 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
5813 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
5814 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
5817 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
5818 sdl_cflags=$("${SDL_CONFIG}" --cflags)
5819 sdl_libs=$("${SDL_CONFIG}" --libs)
5820 check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
5821 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
5822 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
5824 elif enabled sdl ; then
5825 die "ERROR: SDL not found"
5830 if test $target_os = "mingw32"; then
5831 sdl_libs="$sdl_libs -mconsole"
5834 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
5836 disabled securetransport || { check_func SecIdentityCreate "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&
5837 check_lib2 "Security/SecureTransport.h Security/Security.h" "SSLCreateContext SecItemImport" "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&
5838 enable securetransport; }
5840 disabled schannel || { check_func_headers "windows.h security.h" InitializeSecurityContext -DSECURITY_WIN32 -lsecur32 &&
5841 check_cpp_condition winerror.h "defined(SEC_I_CONTEXT_EXPIRED)" && enable schannel && add_extralibs -lsecur32; }
5843 makeinfo --version > /dev/null 2>&1 && enable makeinfo || disable makeinfo
5845 && [ 0$(makeinfo --version | grep "texinfo" | sed 's/.*texinfo[^0-9]*\([0-9]*\)\..*/\1/') -ge 5 ] \
5846 && enable makeinfo_html || disable makeinfo_html
5847 disabled makeinfo_html && texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
5848 perl -v > /dev/null 2>&1 && enable perl || disable perl
5849 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
5850 rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout
5852 check_header linux/fb.h
5853 check_header linux/videodev.h
5854 check_header linux/videodev2.h
5855 check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete
5857 check_header sys/videoio.h
5858 check_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete
5860 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
5861 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
5862 # w32api 3.12 had it defined wrong
5863 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
5865 check_type "dshow.h" IBaseFilter
5867 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
5868 { check_header dev/bktr/ioctl_meteor.h &&
5869 check_header dev/bktr/ioctl_bt848.h; } ||
5870 { check_header machine/ioctl_meteor.h &&
5871 check_header machine/ioctl_bt848.h; } ||
5872 { check_header dev/video/meteor/ioctl_meteor.h &&
5873 check_header dev/video/bktr/ioctl_bt848.h; } ||
5874 check_header dev/ic/bt8xx.h
5876 check_header sndio.h
5877 if check_struct sys/soundcard.h audio_buf_info bytes; then
5878 enable_safe sys/soundcard.h
5880 check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
5881 #include <sys/soundcard.h>
5885 check_header soundcard.h
5887 enabled_any alsa_indev alsa_outdev &&
5888 check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
5890 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack &&
5891 check_func jack_port_get_latency_range -ljack
5893 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
5895 if enabled libcdio; then
5896 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
5897 check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
5898 die "ERROR: No usable libcdio/cdparanoia found"
5902 check_lib X11/Xlib.h XOpenDisplay -lX11 || disable xlib
5904 if ! disabled libxcb; then
5905 check_pkg_config "xcb >= 1.4" xcb/xcb.h xcb_connect || {
5906 enabled libxcb && die "ERROR: libxcb >= 1.4 not found";
5907 } && disable x11grab && enable libxcb
5909 if enabled libxcb; then
5910 disabled libxcb_shm || {
5911 check_pkg_config xcb-shm xcb/shm.h xcb_shm_attach || {
5912 enabled libxcb_shm && die "ERROR: libxcb_shm not found";
5913 } && check_header sys/shm.h && enable libxcb_shm; }
5915 disabled libxcb_xfixes || {
5916 check_pkg_config xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image || {
5917 enabled libxcb_xfixes && die "ERROR: libxcb_xfixes not found";
5918 } && enable libxcb_xfixes; }
5920 disabled libxcb_shape || {
5921 check_pkg_config xcb-shape xcb/shape.h xcb_shape_get_rectangles || {
5922 enabled libxcb_shape && die "ERROR: libxcb_shape not found";
5923 } && enable libxcb_shape; }
5925 add_cflags $xcb_cflags $xcb_shm_cflags $xcb_xfixes_cflags $xcb_shape_cflags
5926 add_extralibs $xcb_libs $xcb_shm_libs $xcb_xfixes_libs $xcb_shape_libs
5930 if enabled x11grab; then
5931 enabled xlib || die "ERROR: Xlib not found"
5932 require Xext X11/extensions/XShm.h XShmCreateImage -lXext
5933 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
5936 check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs"
5938 enabled dxva2api_h &&
5939 check_cc <<EOF && enable dxva2api_cobj
5940 #define _WIN32_WINNT 0x0600
5942 #include <windows.h>
5944 #include <dxva2api.h>
5945 int main(void) { IDirectXVideoDecoder *o = NULL; IDirectXVideoDecoder_Release(o); return 0; }
5949 check_lib va/va.h vaInitialize -lva ||
5953 check_code cc "va/va.h" "vaCreateSurfaces(0, 0, 0, 0, 0, 0, 0, 0)" ||
5956 if enabled vaapi ; then
5958 check_lib2 "va/va.h va/va_x11.h" vaGetDisplay -lva -lva-x11 &&
5961 check_lib2 "va/va.h va/va_drm.h" vaGetDisplayDRM -lva -lva-drm &&
5966 check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
5969 enabled vdpau && enabled xlib &&
5970 check_func_headers "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau &&
5971 prepend ffmpeg_libs $($ldflags_filter "-lvdpau") &&
5974 # Funny iconv installations are not unusual, so check it after all flags have been set
5975 disabled iconv || check_func_headers iconv.h iconv || check_lib2 iconv.h iconv -liconv || disable iconv
5977 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
5979 # add some useful compiler flags if supported
5980 check_cflags -Wdeclaration-after-statement
5982 check_cflags -Wdisabled-optimization
5983 check_cflags -Wpointer-arith
5984 check_cflags -Wredundant-decls
5985 check_cflags -Wwrite-strings
5986 check_cflags -Wtype-limits
5987 check_cflags -Wundef
5988 check_cflags -Wmissing-prototypes
5989 check_cflags -Wno-pointer-to-int-cast
5990 check_cflags -Wstrict-prototypes
5991 check_cflags -Wempty-body
5992 enabled extra_warnings && check_cflags -Winline
5993 enabled extra_warnings && check_cflags -Wcast-qual
5995 check_disable_warning(){
5996 warning_flag=-W${1#-Wno-}
5997 test_cflags $warning_flag && add_cflags $1
6000 check_disable_warning -Wno-parentheses
6001 check_disable_warning -Wno-switch
6002 check_disable_warning -Wno-format-zero-length
6003 check_disable_warning -Wno-pointer-sign
6004 check_disable_warning -Wno-unused-const-variable
6006 # add some linker flags
6007 check_ldflags -Wl,--warn-common
6008 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
6009 enabled rpath && add_ldexeflags -Wl,-rpath,$libdir
6010 enabled rpath && add_ldlibflags -Wl,-rpath,$libdir
6011 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
6013 # add some strip flags
6014 # -wN '..@*' is more selective than -x, but not available everywhere.
6015 check_stripflags -wN \'..@*\' || check_stripflags -x
6017 enabled neon_clobber_test &&
6018 check_ldflags -Wl,--wrap,avcodec_open2 \
6019 -Wl,--wrap,avcodec_decode_audio4 \
6020 -Wl,--wrap,avcodec_decode_video2 \
6021 -Wl,--wrap,avcodec_decode_subtitle2 \
6022 -Wl,--wrap,avcodec_encode_audio2 \
6023 -Wl,--wrap,avcodec_encode_video2 \
6024 -Wl,--wrap,avcodec_encode_subtitle \
6025 -Wl,--wrap,swr_convert \
6026 -Wl,--wrap,avresample_convert ||
6027 disable neon_clobber_test
6029 enabled xmm_clobber_test &&
6030 check_ldflags -Wl,--wrap,avcodec_open2 \
6031 -Wl,--wrap,avcodec_decode_audio4 \
6032 -Wl,--wrap,avcodec_decode_video2 \
6033 -Wl,--wrap,avcodec_decode_subtitle2 \
6034 -Wl,--wrap,avcodec_encode_audio2 \
6035 -Wl,--wrap,avcodec_encode_video2 \
6036 -Wl,--wrap,avcodec_encode_subtitle \
6037 -Wl,--wrap,swr_convert \
6038 -Wl,--wrap,avresample_convert \
6039 -Wl,--wrap,sws_scale ||
6040 disable xmm_clobber_test
6042 echo "X { local: *; };" > $TMPV
6043 if test_ldflags -Wl,--version-script,$TMPV; then
6044 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
6045 elif test_ldflags -Wl,-M,$TMPV; then
6046 append SHFLAGS '-Wl,-M,\$(SUBDIR)lib\$(NAME).ver-sol2'
6049 check_cc <<EOF && enable symver_asm_label
6050 void ff_foo(void) __asm__ ("av_foo@VERSION");
6051 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
6053 check_cc <<EOF && enable symver_gnu_asm
6054 __asm__(".symver ff_foo,av_foo@VERSION");
6055 void ff_foo(void) {}
6058 if [ -z "$optflags" ]; then
6059 if enabled small; then
6060 optflags=$cflags_size
6061 elif enabled optimizations; then
6062 optflags=$cflags_speed
6064 optflags=$cflags_noopt
6070 enabled lto && check_ldflags "$@"
6074 if enabled lto; then
6075 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
6077 check_ldflags -flto $cpuflags
6078 disable inline_asm_direct_symbol_refs
6081 check_optflags $optflags
6082 check_optflags -fno-math-errno
6083 check_optflags -fno-signed-zeros
6085 enabled ftrapv && check_cflags -ftrapv
6087 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
6092 if enabled icc; then
6093 # Just warnings, no remarks
6095 # -wd: Disable following warnings
6096 # 144, 167, 556: -Wno-pointer-sign
6097 # 188: enumerated type mixed with another type
6098 # 1292: attribute "foo" ignored
6099 # 1419: external declaration in primary source file
6100 # 10006: ignoring unknown option -fno-signed-zeros
6101 # 10148: ignoring unknown option -Wno-parentheses
6102 # 10156: ignoring option '-W'; no argument required
6103 # 13200: No EMMS instruction before call to function
6104 # 13203: No EMMS instruction before return from function
6105 check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156,13200,13203
6106 # 11030: Warning unknown option --as-needed
6107 # 10156: ignoring option '-export'; no argument required
6108 check_ldflags -wd10156,11030
6109 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
6110 enable ebp_available
6111 # The test above does not test linking
6112 enabled lto && disable symver_asm_label
6113 if enabled x86_32; then
6114 icc_version=$($cc -dumpversion)
6115 test ${icc_version%%.*} -ge 11 &&
6116 check_cflags -falign-stack=maintain-16-byte ||
6117 disable aligned_stack
6119 elif enabled ccc; then
6120 # disable some annoying warnings
6121 add_cflags -msg_disable bitnotint
6122 add_cflags -msg_disable mixfuncvoid
6123 add_cflags -msg_disable nonstandcast
6124 add_cflags -msg_disable unsupieee
6125 elif enabled gcc; then
6126 case $gcc_basever in
6127 4.9*) enabled x86 || check_optflags -fno-tree-vectorize ;;
6128 4.*) check_optflags -fno-tree-vectorize ;;
6129 *) enabled x86 || check_optflags -fno-tree-vectorize ;;
6131 check_cflags -Werror=format-security
6132 check_cflags -Werror=implicit-function-declaration
6133 check_cflags -Werror=missing-prototypes
6134 check_cflags -Werror=return-type
6135 check_cflags -Werror=vla
6136 check_cflags -Wformat
6137 check_cflags -fdiagnostics-color=auto
6138 enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized
6139 elif enabled llvm_gcc; then
6140 check_cflags -mllvm -stack-alignment=16
6141 elif enabled clang; then
6142 check_cflags -mllvm -stack-alignment=16
6143 check_cflags -Qunused-arguments
6144 check_cflags -Werror=implicit-function-declaration
6145 check_cflags -Werror=missing-prototypes
6146 check_cflags -Werror=return-type
6147 elif enabled cparser; then
6148 add_cflags -Wno-missing-variable-declarations
6149 add_cflags -Wno-empty-statement
6150 elif enabled armcc; then
6151 add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat
6152 add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir
6153 # 2523: use of inline assembly is deprecated
6154 add_cflags -W${armcc_opt},--diag_suppress=2523
6155 add_cflags -W${armcc_opt},--diag_suppress=1207
6156 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
6157 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
6158 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
6159 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
6160 elif enabled tms470; then
6161 add_cflags -pds=824 -pds=837
6163 elif enabled pathscale; then
6164 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
6165 elif enabled_any msvc icl; then
6166 enabled x86_32 && disable aligned_stack
6167 enabled_all x86_32 debug && add_cflags -Oy-
6168 enabled debug && add_ldflags -debug
6169 enable pragma_deprecated
6170 if enabled icl; then
6171 # -Qansi-alias is basically -fstrict-aliasing, but does not work
6172 # (correctly) on icl 13.x.
6173 check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&
6174 add_cflags -Qansi-alias
6175 # Some inline asm is not compilable in debug
6176 if enabled debug; then
6177 disable ebp_available
6178 disable ebx_available
6181 # msvcrt10 x64 incorrectly enables log2, only msvcrt12 (MSVC 2013) onwards actually has log2.
6182 check_cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION >= 12" || disable log2
6183 # The CRT headers contain __declspec(restrict) in a few places, but if redefining
6184 # restrict, this might break. MSVC 2010 and 2012 fail with __declspec(__restrict)
6185 # (as it ends up if the restrict redefine is done before including stdlib.h), while
6186 # MSVC 2013 and newer can handle it fine.
6187 # If this declspec fails, force including stdlib.h before the restrict redefinition
6188 # happens in config.h.
6189 if [ $_restrict != restrict ]; then
6190 check_cc <<EOF || add_cflags -FIstdlib.h
6191 __declspec($_restrict) void* foo(int);
6194 check_func strtoll || add_cflags -Dstrtoll=_strtoi64
6197 for pfx in "" host_; do
6198 varname=${pfx%_}cc_type
6199 eval "type=\$$varname"
6200 if [ $type = "msvc" ]; then
6201 check_${pfx}cc <<EOF || add_${pfx}cflags -Dinline=__inline
6202 static inline int foo(int a) { return a; }
6209 add_asflags -Qunused-arguments
6215 check_ldflags -Qunused-arguments
6221 enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'
6224 add_cppflags -Dmain=plan9_main
6228 enable frame_thread_encoder
6230 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
6232 check_deps $CONFIG_LIST \
6237 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"
6240 if test $target_os = "haiku"; then
6242 disable posix_memalign
6245 enabled_all dxva2 dxva2api_cobj CoTaskMemFree &&
6246 prepend ffmpeg_libs $($ldflags_filter "-lole32" "-luser32") &&
6249 ! enabled_any memalign posix_memalign aligned_malloc &&
6250 enabled simd_align_16 && enable memalign_hack
6253 # -> enable ${lib}_deps_${dep}
6254 # -> add $dep to ${lib}_deps only once
6258 enabled "${lib}_deps_${dep}" && return 0
6259 enable "${lib}_deps_${dep}"
6260 prepend "${lib}_deps" $dep
6263 # merge deps lib components
6264 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
6269 enabled $comp || continue
6270 eval "dep=\"\$${comp}_deps\""
6277 merge_deps libavfilter $FILTER_LIST
6279 map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST
6281 for thread in $THREADS_LIST; do
6282 if enabled $thread; then
6283 test -n "$thread_type" &&
6284 die "ERROR: Only one thread type must be selected." ||
6285 thread_type="$thread"
6289 enabled zlib && add_cppflags -DZLIB_CONST
6291 # conditional library dependencies, in linking order
6292 enabled afftfilt_filter && prepend avfilter_deps "avcodec"
6293 enabled amovie_filter && prepend avfilter_deps "avformat avcodec"
6294 enabled aresample_filter && prepend avfilter_deps "swresample"
6295 enabled asyncts_filter && prepend avfilter_deps "avresample"
6296 enabled atempo_filter && prepend avfilter_deps "avcodec"
6297 enabled cover_rect_filter && prepend avfilter_deps "avformat avcodec"
6298 enabled ebur128_filter && enabled swresample && prepend avfilter_deps "swresample"
6299 enabled elbg_filter && prepend avfilter_deps "avcodec"
6300 enabled fftfilt_filter && prepend avfilter_deps "avcodec"
6301 enabled find_rect_filter && prepend avfilter_deps "avformat avcodec"
6302 enabled mcdeint_filter && prepend avfilter_deps "avcodec"
6303 enabled movie_filter && prepend avfilter_deps "avformat avcodec"
6304 enabled pan_filter && prepend avfilter_deps "swresample"
6305 enabled pp_filter && prepend avfilter_deps "postproc"
6306 enabled removelogo_filter && prepend avfilter_deps "avformat avcodec swscale"
6307 enabled resample_filter && prepend avfilter_deps "avresample"
6308 enabled sab_filter && prepend avfilter_deps "swscale"
6309 enabled scale_filter && prepend avfilter_deps "swscale"
6310 enabled scale2ref_filter && prepend avfilter_deps "swscale"
6311 enabled sofalizer_filter && prepend avfilter_deps "avcodec"
6312 enabled showcqt_filter && prepend avfilter_deps "avformat avcodec swscale"
6313 enabled showfreqs_filter && prepend avfilter_deps "avcodec"
6314 enabled showspectrum_filter && prepend avfilter_deps "avcodec"
6315 enabled smartblur_filter && prepend avfilter_deps "swscale"
6316 enabled spectrumsynth_filter && prepend avfilter_deps "avcodec"
6317 enabled subtitles_filter && prepend avfilter_deps "avformat avcodec"
6318 enabled uspp_filter && prepend avfilter_deps "avcodec"
6320 enabled lavfi_indev && prepend avdevice_deps "avfilter"
6322 enabled opus_decoder && prepend avcodec_deps "swresample"
6326 eval "deps=\$$lib_deps"
6327 append $lib_deps $(map 'eval echo \$${v}_deps' $deps)
6331 #we have to remove gpl from the deps here as some code assumes all lib deps are libs
6332 postproc_deps="$(filter_out 'gpl' $postproc_deps)"
6334 map 'expand_deps $v' $LIBRARY_LIST
6336 echo "install prefix $prefix"
6337 echo "source path $source_path"
6338 echo "C compiler $cc"
6339 echo "C library $libc_type"
6340 if test "$host_cc" != "$cc"; then
6341 echo "host C compiler $host_cc"
6342 echo "host C library $host_libc_type"
6344 echo "ARCH $arch ($cpu)"
6345 if test "$build_suffix" != ""; then
6346 echo "build suffix $build_suffix"
6348 if test "$progs_suffix" != ""; then
6349 echo "progs suffix $progs_suffix"
6351 if test "$extra_version" != ""; then
6352 echo "version string suffix $extra_version"
6354 echo "big-endian ${bigendian-no}"
6355 echo "runtime cpu detection ${runtime_cpudetect-no}"
6356 if enabled x86; then
6357 echo "${yasmexe} ${yasm-no}"
6358 echo "MMX enabled ${mmx-no}"
6359 echo "MMXEXT enabled ${mmxext-no}"
6360 echo "3DNow! enabled ${amd3dnow-no}"
6361 echo "3DNow! extended enabled ${amd3dnowext-no}"
6362 echo "SSE enabled ${sse-no}"
6363 echo "SSSE3 enabled ${ssse3-no}"
6364 echo "AESNI enabled ${aesni-no}"
6365 echo "AVX enabled ${avx-no}"
6366 echo "XOP enabled ${xop-no}"
6367 echo "FMA3 enabled ${fma3-no}"
6368 echo "FMA4 enabled ${fma4-no}"
6369 echo "i686 features enabled ${i686-no}"
6370 echo "CMOV is fast ${fast_cmov-no}"
6371 echo "EBX available ${ebx_available-no}"
6372 echo "EBP available ${ebp_available-no}"
6374 if enabled aarch64; then
6375 echo "NEON enabled ${neon-no}"
6376 echo "VFP enabled ${vfp-no}"
6378 if enabled arm; then
6379 echo "ARMv5TE enabled ${armv5te-no}"
6380 echo "ARMv6 enabled ${armv6-no}"
6381 echo "ARMv6T2 enabled ${armv6t2-no}"
6382 echo "VFP enabled ${vfp-no}"
6383 echo "NEON enabled ${neon-no}"
6384 echo "THUMB enabled ${thumb-no}"
6386 if enabled mips; then
6387 echo "MIPS FPU enabled ${mipsfpu-no}"
6388 echo "MIPS DSP R1 enabled ${mipsdsp-no}"
6389 echo "MIPS DSP R2 enabled ${mipsdspr2-no}"
6390 echo "MIPS MSA enabled ${msa-no}"
6391 echo "LOONGSON MMI enabled ${mmi-no}"
6393 if enabled ppc; then
6394 echo "AltiVec enabled ${altivec-no}"
6395 echo "VSX enabled ${vsx-no}"
6396 echo "POWER8 enabled ${power8-no}"
6397 echo "PPC 4xx optimizations ${ppc4xx-no}"
6398 echo "dcbzl available ${dcbzl-no}"
6400 echo "debug symbols ${debug-no}"
6401 echo "strip symbols ${stripping-no}"
6402 echo "optimize for size ${small-no}"
6403 echo "optimizations ${optimizations-no}"
6404 echo "static ${static-no}"
6405 echo "shared ${shared-no}"
6406 echo "postprocessing support ${postproc-no}"
6407 echo "new filter support ${avfilter-no}"
6408 echo "network support ${network-no}"
6409 echo "threading support ${thread_type-no}"
6410 echo "safe bitstream reader ${safe_bitstream_reader-no}"
6411 echo "SDL support ${sdl-no}"
6412 echo "opencl enabled ${opencl-no}"
6413 echo "JNI support ${jni-no}"
6414 echo "texi2html enabled ${texi2html-no}"
6415 echo "perl enabled ${perl-no}"
6416 echo "pod2man enabled ${pod2man-no}"
6417 echo "makeinfo enabled ${makeinfo-no}"
6418 echo "makeinfo supports HTML ${makeinfo_html-no}"
6419 test -n "$random_seed" &&
6420 echo "random seed ${random_seed}"
6423 echo "Enabled programs:"
6424 print_enabled '' $PROGRAM_LIST | print_in_columns
6427 echo "External libraries:"
6428 print_enabled '' $EXTERNAL_LIBRARY_LIST | print_in_columns
6432 print_enabled '' $LIBRARY_LIST | print_in_columns
6435 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
6436 echo "Enabled ${type}s:"
6437 eval list=\$$(toupper $type)_LIST
6438 print_enabled '_*' $list | print_in_columns
6442 echo "Enabled Hardware-accelerated codecs:"
6443 print_enabled '' $HW_CODECS_LIST | print_in_columns
6446 license="LGPL version 2.1 or later"
6447 if enabled nonfree; then
6448 license="nonfree and unredistributable"
6449 elif enabled gplv3; then
6450 license="GPL version 3 or later"
6451 elif enabled lgplv3; then
6452 license="LGPL version 3 or later"
6453 elif enabled gpl; then
6454 license="GPL version 2 or later"
6457 echo "License: $license"
6459 echo "Creating config.mak, config.h, and doc/config.texi..."
6461 test -e Makefile || echo "include $source_path/Makefile" > Makefile
6463 enabled stripping || strip="echo skipping strip"
6465 config_files="$TMPH config.mak doc/config.texi"
6467 cat > config.mak <<EOF
6468 # Automatically generated by configure - do not modify!
6469 ifndef FFMPEG_CONFIG_MAK
6471 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
6473 LIBDIR=\$(DESTDIR)$libdir
6474 SHLIBDIR=\$(DESTDIR)$shlibdir
6475 INCDIR=\$(DESTDIR)$incdir
6476 BINDIR=\$(DESTDIR)$bindir
6477 DATADIR=\$(DESTDIR)$datadir
6478 DOCDIR=\$(DESTDIR)$docdir
6479 MANDIR=\$(DESTDIR)$mandir
6480 PKGCONFIGDIR=\$(DESTDIR)$pkgconfigdir
6481 INSTALL_NAME_DIR=$install_name_dir
6482 SRC_PATH=$source_path
6483 SRC_LINK=$source_link
6484 ifndef MAIN_MAKEFILE
6485 SRC_PATH:=\$(SRC_PATH:.%=..%)
6489 INTRINSICS=$intrinsics
6496 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
6498 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
6511 OBJCFLAGS=$OBJCFLAGS
6531 LDEXEFLAGS=$LDEXEFLAGS
6532 LDLIBFLAGS=$LDLIBFLAGS
6533 SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
6534 ASMSTRIPFLAGS=$ASMSTRIPFLAGS
6535 YASMFLAGS=$YASMFLAGS
6536 BUILDSUF=$build_suffix
6537 PROGSSUF=$progs_suffix
6545 EXTRA_VERSION=$extra_version
6548 CCDEP_FLAGS=$CCDEP_FLAGS
6550 ASDEP_FLAGS=$ASDEP_FLAGS
6551 CC_DEPFLAGS=$CC_DEPFLAGS
6552 AS_DEPFLAGS=$AS_DEPFLAGS
6555 HOSTCFLAGS=$host_cflags
6556 HOSTCPPFLAGS=$host_cppflags
6557 HOSTEXESUF=$HOSTEXESUF
6558 HOSTLDFLAGS=$host_ldflags
6561 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
6562 HOSTCCDEP=$HOSTCCDEP
6563 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
6564 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
6568 TARGET_EXEC=$target_exec $target_exec_args
6569 TARGET_PATH=$target_path
6570 TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}
6571 CFLAGS-ffplay=$sdl_cflags
6572 ZLIB=$($ldflags_filter -lz)
6573 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
6574 EXTRALIBS=$extralibs
6575 COMPAT_OBJS=$compat_objs
6578 LIBTARGET=${LIBTARGET}
6579 SLIBNAME=${SLIBNAME}
6580 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
6581 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
6582 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
6583 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
6584 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
6585 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
6586 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
6587 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
6588 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
6589 NOREDZONE_FLAGS=$noredzone_flags
6594 name=$(toupper $lcname)
6595 file=$source_path/$lcname/version.h
6596 eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")
6597 enabled raise_major && eval ${name}_VERSION_MAJOR=$((${name}_VERSION_MAJOR+100))
6598 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
6599 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
6600 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
6601 eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak
6604 map 'get_version $v' $LIBRARY_LIST
6606 map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> config.mak' $LIBRARY_LIST
6608 print_program_libs(){
6609 eval "program_libs=\$${1}_libs"
6610 eval echo "LIBS-${1}=${program_libs}" >> config.mak
6613 map 'print_program_libs $v' $PROGRAM_LIST
6616 /* Automatically generated by configure - do not modify! */
6617 #ifndef FFMPEG_CONFIG_H
6618 #define FFMPEG_CONFIG_H
6619 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
6620 #define FFMPEG_LICENSE "$(c_escape $license)"
6621 #define CONFIG_THIS_YEAR 2016
6622 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
6623 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
6624 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
6625 #define av_restrict $_restrict
6626 #define EXTERN_PREFIX "${extern_prefix}"
6627 #define EXTERN_ASM ${extern_prefix}
6628 #define BUILDSUF "$build_suffix"
6629 #define SLIBSUF "$SLIBSUF"
6630 #define HAVE_MMX2 HAVE_MMXEXT
6631 #define SWS_MAX_FILTER_SIZE $sws_max_filter_size
6634 test -n "$assert_level" &&
6635 echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
6637 test -n "$malloc_prefix" &&
6638 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
6640 if enabled yasm; then
6641 append config_files $TMPASM
6645 enabled getenv || echo "#define getenv(x) NULL" >> $TMPH
6651 echo "@c auto-generated by configure - do not modify! " > doc/config.texi
6653 print_config ARCH_ "$config_files" $ARCH_LIST
6654 print_config HAVE_ "$config_files" $HAVE_LIST
6655 print_config CONFIG_ "$config_files" $CONFIG_LIST \
6659 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
6660 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
6662 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
6663 cp_if_changed $TMPH config.h
6666 enabled yasm && cp_if_changed $TMPASM config.asm
6669 /* Generated by ffconf */
6670 #ifndef AVUTIL_AVCONFIG_H
6671 #define AVUTIL_AVCONFIG_H
6674 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
6676 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
6678 cp_if_changed $TMPH libavutil/avconfig.h
6680 if test -n "$WARNINGS"; then
6681 printf "\n%s%s$WARNINGS%s" "$warn_color" "$bold_color" "$reset_color"
6682 enabled fatal_warnings && exit 1
6685 # generate the lists of enabled components
6686 print_enabled_components(){
6691 echo "static const $struct_name *$name[] = {" > $TMPH
6693 enabled $c && printf " &ff_%s,\n" $c >> $TMPH
6695 echo " NULL };" >> $TMPH
6696 cp_if_changed $TMPH $file
6699 print_enabled_components libavcodec/bsf_list.c AVBitStreamFilter bitstream_filters $BSF_LIST
6700 print_enabled_components libavformat/protocol_list.c URLProtocol url_protocols $PROTOCOL_LIST
6702 # build pkg-config files
6705 eval printf "\"lib${1}${build_suffix} >= \$LIB$(toupper ${1})_VERSION, \""
6708 pkgconfig_generate(){
6710 shortname=${name#lib}${build_suffix}
6714 requires=$(map 'lib_version $v' $(eval echo \$${name#lib}_deps))
6715 requires=${requires%, }
6716 enabled ${name#lib} || return 0
6718 cat <<EOF > $name/$name${build_suffix}.pc
6720 exec_prefix=\${prefix}
6725 Description: $comment
6727 Requires: $(enabled shared || echo $requires)
6728 Requires.private: $(enabled shared && echo $requires)
6730 Libs: -L\${libdir} $(enabled rpath && echo "-Wl,-rpath,\${libdir}") -l${shortname} $(enabled shared || echo $libs)
6731 Libs.private: $(enabled shared && echo $libs)
6732 Cflags: -I\${includedir}
6735 mkdir -p doc/examples/pc-uninstalled
6736 includedir=${source_path}
6737 [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."
6738 cat <<EOF > doc/examples/pc-uninstalled/$name.pc
6741 libdir=\${pcfiledir}/../../../$name
6742 includedir=${includedir}
6745 Description: $comment
6749 Libs: -L\${libdir} -Wl,-rpath,\${libdir} -l${shortname} $(enabled shared || echo $libs)
6750 Cflags: -I\${includedir}
6754 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBRT $LIBM"
6755 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs"
6756 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs"
6757 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs"
6758 pkgconfig_generate libavfilter "FFmpeg audio/video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
6759 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" ""
6760 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$LIBM"
6761 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM"
6762 pkgconfig_generate libswresample "FFmpeg audio resampling library" "$LIBSWRESAMPLE_VERSION" "$LIBM $LIBSOXR"