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-fontconfig enable fontconfig, useful for drawtext filter [no]
211 --enable-frei0r enable frei0r video filtering [no]
212 --enable-gcrypt enable gcrypt, needed for rtmp(t)e support
213 if openssl, librtmp or gmp is not used [no]
214 --enable-gmp enable gmp, needed for rtmp(t)e support
215 if openssl or librtmp is not used [no]
216 --enable-gnutls enable gnutls, needed for https support
217 if openssl is not used [no]
218 --disable-iconv disable iconv [autodetect]
219 --enable-jni enable JNI support [no]
220 --enable-ladspa enable LADSPA audio filtering [no]
221 --enable-libass enable libass subtitles rendering,
222 needed for subtitles and ass filter [no]
223 --enable-libbluray enable BluRay reading using libbluray [no]
224 --enable-libbs2b enable bs2b DSP library [no]
225 --enable-libcaca enable textual display using libcaca [no]
226 --enable-libcelt enable CELT decoding via libcelt [no]
227 --enable-libcdio enable audio CD grabbing with libcdio [no]
228 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
230 --enable-libebur128 enable libebur128 for EBU R128 measurement,
231 needed for loudnorm filter [no]
232 --enable-libfaac enable AAC encoding via libfaac [no]
233 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
234 --enable-libflite enable flite (voice synthesis) support via libflite [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)
2025 # options emitted with CONFIG_ prefix but not available on the command line
2042 frame_thread_encoder
2191 # code dependency declarations
2193 # architecture extensions
2198 armv8_deps="aarch64"
2199 neon_deps_any="aarch64 arm"
2200 intrinsics_neon_deps="neon"
2201 vfp_deps_any="aarch64 arm"
2205 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
2209 mipsdspr2_deps="mips"
2210 mips32r2_deps="mips"
2211 mips32r5_deps="mips"
2212 mips32r6_deps="mips"
2213 mips64r2_deps="mips"
2214 mips64r6_deps="mips"
2226 x86_64_select="i686"
2227 x86_64_suggest="fast_cmov"
2230 amd3dnowext_deps="amd3dnow"
2247 mmx_external_deps="yasm"
2248 mmx_inline_deps="inline_asm"
2249 mmx_suggest="mmx_external mmx_inline"
2251 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
2252 eval dep=\$${ext}_deps
2253 eval ${ext}_external_deps='"${dep}_external"'
2254 eval ${ext}_inline_deps='"${dep}_inline"'
2255 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
2258 aligned_stack_if_any="aarch64 ppc x86"
2259 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
2260 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
2261 fast_unaligned_if_any="aarch64 ppc x86"
2262 simd_align_16_if_any="altivec neon sse"
2264 # system capabilities
2265 symver_if_any="symver_asm_label symver_gnu_asm"
2266 valgrind_backtrace_deps="!optimizations valgrind_valgrind_h"
2269 atomics_gcc_if_any="sync_val_compare_and_swap atomic_compare_exchange"
2270 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
2271 atomics_win32_if="MemoryBarrier"
2272 atomics_native_if_any="$ATOMICS_LIST"
2273 w32threads_deps="atomics_native"
2274 threads_if_any="$THREADS_LIST"
2278 dirac_parse_select="golomb"
2279 error_resilience_select="me_cmp"
2280 faandct_deps="faan fdctdsp"
2281 faanidct_deps="faan idctdsp"
2282 h264dsp_select="startcode"
2283 frame_thread_encoder_deps="encoders threads"
2284 intrax8_select="blockdsp idctdsp"
2286 me_cmp_select="fdctdsp idctdsp pixblockdsp"
2287 mpeg_er_select="error_resilience"
2288 mpegaudio_select="mpegaudiodsp"
2289 mpegaudiodsp_select="dct"
2290 mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp mpeg_er videodsp"
2291 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
2292 vc1dsp_select="h264chroma qpeldsp startcode"
2295 # decoders / encoders
2296 aac_decoder_select="imdct15 mdct sinewin"
2297 aac_fixed_decoder_select="mdct sinewin"
2298 aac_encoder_select="audio_frame_queue iirfilter lpc mdct sinewin"
2299 aac_latm_decoder_select="aac_decoder aac_latm_parser"
2300 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
2301 ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"
2302 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
2303 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
2304 adpcm_g722_decoder_select="g722dsp"
2305 adpcm_g722_encoder_select="g722dsp"
2306 aic_decoder_select="golomb idctdsp"
2307 alac_encoder_select="lpc"
2308 als_decoder_select="bswapdsp"
2309 amrnb_decoder_select="lsp"
2310 amrwb_decoder_select="lsp"
2311 amv_decoder_select="sp5x_decoder exif"
2312 amv_encoder_select="aandcttables jpegtables mpegvideoenc"
2313 ape_decoder_select="bswapdsp llauddsp"
2314 apng_decoder_select="zlib"
2315 apng_encoder_select="huffyuvencdsp zlib"
2316 asv1_decoder_select="blockdsp bswapdsp idctdsp"
2317 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
2318 asv2_decoder_select="blockdsp bswapdsp idctdsp"
2319 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
2320 atrac1_decoder_select="mdct sinewin"
2321 atrac3_decoder_select="mdct"
2322 atrac3p_decoder_select="mdct sinewin"
2323 avrn_decoder_select="exif jpegtables"
2324 bink_decoder_select="blockdsp hpeldsp"
2325 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
2326 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
2327 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
2328 cllc_decoder_select="bswapdsp"
2329 comfortnoise_encoder_select="lpc"
2330 cook_decoder_select="audiodsp mdct sinewin"
2331 cscd_decoder_select="lzo"
2332 cscd_decoder_suggest="zlib"
2333 dca_decoder_select="mdct"
2334 dds_decoder_select="texturedsp"
2335 dirac_decoder_select="dirac_parse dwt golomb videodsp mpegvideoenc"
2336 dnxhd_decoder_select="blockdsp idctdsp"
2337 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
2338 dvvideo_decoder_select="dvprofile idctdsp"
2339 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
2340 dxa_decoder_select="zlib"
2341 dxv_decoder_select="lzf texturedsp"
2342 eac3_decoder_select="ac3_decoder"
2343 eac3_encoder_select="ac3_encoder"
2344 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
2345 eatgq_decoder_select="aandcttables"
2346 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp"
2347 exr_decoder_select="zlib"
2348 ffv1_decoder_select="golomb rangecoder"
2349 ffv1_encoder_select="rangecoder"
2350 ffvhuff_decoder_select="huffyuv_decoder"
2351 ffvhuff_encoder_select="huffyuv_encoder"
2352 fic_decoder_select="golomb"
2353 flac_decoder_select="flacdsp golomb"
2354 flac_encoder_select="bswapdsp flacdsp golomb lpc"
2355 flashsv2_decoder_select="zlib"
2356 flashsv2_encoder_select="zlib"
2357 flashsv_decoder_select="zlib"
2358 flashsv_encoder_select="zlib"
2359 flv_decoder_select="h263_decoder"
2360 flv_encoder_select="h263_encoder"
2361 fourxm_decoder_select="blockdsp bswapdsp"
2362 fraps_decoder_select="bswapdsp huffman"
2363 g2m_decoder_select="blockdsp idctdsp jpegtables zlib"
2364 g729_decoder_select="audiodsp"
2365 h261_decoder_select="mpegvideo"
2366 h261_encoder_select="aandcttables mpegvideoenc"
2367 h263_decoder_select="h263_parser h263dsp mpegvideo qpeldsp"
2368 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
2369 h263i_decoder_select="h263_decoder"
2370 h263p_decoder_select="h263_decoder"
2371 h263p_encoder_select="h263_encoder"
2372 h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel videodsp"
2373 h264_decoder_suggest="error_resilience"
2374 hap_decoder_select="snappy texturedsp"
2375 hap_encoder_deps="libsnappy"
2376 hap_encoder_select="texturedspenc"
2377 hevc_decoder_select="bswapdsp cabac golomb videodsp"
2378 huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"
2379 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llviddsp"
2380 iac_decoder_select="imc_decoder"
2381 imc_decoder_select="bswapdsp fft mdct sinewin"
2382 indeo3_decoder_select="hpeldsp"
2383 indeo4_decoder_select="ividsp"
2384 indeo5_decoder_select="ividsp"
2385 interplay_video_decoder_select="hpeldsp"
2386 jpegls_decoder_select="golomb mjpeg_decoder"
2387 jpegls_encoder_select="golomb"
2388 jv_decoder_select="blockdsp"
2389 lagarith_decoder_select="huffyuvdsp"
2390 ljpeg_encoder_select="aandcttables idctdsp jpegtables"
2391 loco_decoder_select="golomb"
2392 magicyuv_decoder_select="huffyuvdsp"
2393 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2394 metasound_decoder_select="lsp mdct sinewin"
2395 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2396 mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"
2397 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
2398 mjpegb_decoder_select="mjpeg_decoder"
2399 mjpeg_vaapi_encoder_deps="VAEncPictureParameterBufferJPEG"
2400 mjpeg_vaapi_encoder_select="vaapi_encode jpegtables"
2401 mlp_decoder_select="mlp_parser"
2402 motionpixels_decoder_select="bswapdsp"
2403 mp1_decoder_select="mpegaudio"
2404 mp1float_decoder_select="mpegaudio"
2405 mp2_decoder_select="mpegaudio"
2406 mp2float_decoder_select="mpegaudio"
2407 mp3_decoder_select="mpegaudio"
2408 mp3adu_decoder_select="mpegaudio"
2409 mp3adufloat_decoder_select="mpegaudio"
2410 mp3float_decoder_select="mpegaudio"
2411 mp3on4_decoder_select="mpegaudio"
2412 mp3on4float_decoder_select="mpegaudio"
2413 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2414 mpc8_decoder_select="mpegaudiodsp"
2415 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
2416 mpeg_xvmc_decoder_select="mpeg2video_decoder"
2417 mpegvideo_decoder_select="mpegvideo"
2418 mpeg1video_decoder_select="mpegvideo"
2419 mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"
2420 mpeg2video_decoder_select="mpegvideo"
2421 mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"
2422 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2423 mpeg4_encoder_select="h263_encoder"
2424 msa1_decoder_select="mss34dsp"
2425 msmpeg4v1_decoder_select="h263_decoder"
2426 msmpeg4v2_decoder_select="h263_decoder"
2427 msmpeg4v2_encoder_select="h263_encoder"
2428 msmpeg4v3_decoder_select="h263_decoder"
2429 msmpeg4v3_encoder_select="h263_encoder"
2430 mss2_decoder_select="vc1_decoder mpegvideo"
2431 mts2_decoder_select="mss34dsp"
2432 mxpeg_decoder_select="mjpeg_decoder"
2433 nellymoser_decoder_select="mdct sinewin"
2434 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2435 nuv_decoder_select="idctdsp lzo"
2436 on2avc_decoder_select="mdct"
2437 opus_decoder_deps="swresample"
2438 opus_decoder_select="imdct15"
2439 png_decoder_select="zlib"
2440 png_encoder_select="huffyuvencdsp zlib"
2441 prores_decoder_select="blockdsp idctdsp"
2442 prores_encoder_select="fdctdsp"
2443 qcelp_decoder_select="lsp"
2444 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2445 ra_144_decoder_select="audiodsp"
2446 ra_144_encoder_select="audio_frame_queue lpc audiodsp"
2447 ralf_decoder_select="golomb"
2448 rawvideo_decoder_select="bswapdsp"
2449 rscc_decoder_select="zlib"
2450 rtjpeg_decoder_select="me_cmp"
2451 rv10_decoder_select="h263_decoder"
2452 rv10_encoder_select="h263_encoder"
2453 rv20_decoder_select="h263_decoder"
2454 rv20_encoder_select="h263_encoder"
2455 rv30_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2456 rv40_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2457 screenpresso_decoder_select="zlib"
2458 shorten_decoder_select="golomb"
2459 sipr_decoder_select="lsp"
2460 snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"
2461 snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"
2462 sonic_decoder_select="golomb rangecoder"
2463 sonic_encoder_select="golomb rangecoder"
2464 sonic_ls_encoder_select="golomb rangecoder"
2465 sp5x_decoder_select="mjpeg_decoder"
2466 svq1_decoder_select="hpeldsp"
2467 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2468 svq3_decoder_select="golomb h264dsp h264pred hpeldsp tpeldsp videodsp"
2469 svq3_decoder_suggest="zlib"
2470 tak_decoder_select="audiodsp"
2471 tdsc_decoder_select="zlib mjpeg_decoder"
2472 theora_decoder_select="vp3_decoder"
2473 thp_decoder_select="mjpeg_decoder"
2474 tiff_decoder_suggest="zlib lzma"
2475 tiff_encoder_suggest="zlib"
2476 truehd_decoder_select="mlp_parser"
2477 truemotion2_decoder_select="bswapdsp"
2478 truespeech_decoder_select="bswapdsp"
2479 tscc_decoder_select="zlib"
2480 twinvq_decoder_select="mdct lsp sinewin"
2481 txd_decoder_select="texturedsp"
2482 utvideo_decoder_select="bswapdsp"
2483 utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"
2484 vble_decoder_select="huffyuvdsp"
2485 vc1_decoder_select="blockdsp h263_decoder h264qpel intrax8 mpegvideo vc1dsp"
2486 vc1_qsv_decoder_deps="libmfx"
2487 vc1_qsv_decoder_select="qsvdec vc1_qsv_hwaccel"
2488 vc1image_decoder_select="vc1_decoder"
2489 vorbis_decoder_select="mdct"
2490 vorbis_encoder_select="mdct"
2491 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2492 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"
2493 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"
2494 vp6a_decoder_select="vp6_decoder"
2495 vp6f_decoder_select="vp6_decoder"
2496 vp7_decoder_select="h264pred videodsp vp8dsp"
2497 vp8_decoder_select="h264pred videodsp vp8dsp"
2498 vp9_decoder_select="videodsp vp9_parser"
2499 webp_decoder_select="vp8_decoder exif"
2500 wmalossless_decoder_select="llauddsp"
2501 wmapro_decoder_select="mdct sinewin wma_freqs"
2502 wmav1_decoder_select="mdct sinewin wma_freqs"
2503 wmav1_encoder_select="mdct sinewin wma_freqs"
2504 wmav2_decoder_select="mdct sinewin wma_freqs"
2505 wmav2_encoder_select="mdct sinewin wma_freqs"
2506 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2507 wmv1_decoder_select="h263_decoder"
2508 wmv1_encoder_select="h263_encoder"
2509 wmv2_decoder_select="blockdsp error_resilience h263_decoder idctdsp intrax8 videodsp wmv2dsp"
2510 wmv2_encoder_select="h263_encoder wmv2dsp"
2511 wmv3_decoder_select="vc1_decoder"
2512 wmv3image_decoder_select="wmv3_decoder"
2513 xma1_decoder_select="wmapro_decoder"
2514 xma2_decoder_select="wmapro_decoder"
2515 zerocodec_decoder_select="zlib"
2516 zlib_decoder_select="zlib"
2517 zlib_encoder_select="zlib"
2518 zmbv_decoder_select="zlib"
2519 zmbv_encoder_select="zlib"
2522 audiotoolbox_deps="AudioToolbox_AudioToolbox_h"
2523 audiotoolbox_extralibs="-framework CoreFoundation -framework AudioToolbox -framework CoreMedia"
2525 # hardware accelerators
2526 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
2528 d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder ID3D11VideoContext"
2529 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode"
2530 vaapi_deps="va_va_h"
2531 vda_framework_deps="VideoDecodeAcceleration_VDADecoder_h"
2532 vda_framework_extralibs="-framework VideoDecodeAcceleration"
2533 vda_deps="vda_framework pthreads"
2534 vda_extralibs="-framework CoreFoundation -framework QuartzCore"
2535 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
2536 videotoolbox_hwaccel_deps="videotoolbox pthreads"
2537 videotoolbox_hwaccel_extralibs="-framework QuartzCore"
2538 xvmc_deps="X11_extensions_XvMClib_h"
2540 h263_vaapi_hwaccel_deps="vaapi"
2541 h263_vaapi_hwaccel_select="h263_decoder"
2542 h263_videotoolbox_hwaccel_deps="videotoolbox"
2543 h263_videotoolbox_hwaccel_select="h263_decoder"
2544 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
2545 h264_cuvid_hwaccel_deps="cuda cuvid CUVIDH264PICPARAMS"
2546 h264_d3d11va_hwaccel_deps="d3d11va"
2547 h264_d3d11va_hwaccel_select="h264_decoder"
2548 h264_dxva2_hwaccel_deps="dxva2"
2549 h264_dxva2_hwaccel_select="h264_decoder"
2550 h264_mediacodec_decoder_deps="mediacodec"
2551 h264_mediacodec_decoder_select="h264_mp4toannexb_bsf h264_parser"
2552 h264_mmal_decoder_deps="mmal"
2553 h264_mmal_decoder_select="mmal"
2554 h264_mmal_hwaccel_deps="mmal"
2555 h264_omx_encoder_deps="omx"
2556 h264_qsv_hwaccel_deps="libmfx"
2557 h264_vaapi_hwaccel_deps="vaapi"
2558 h264_vaapi_hwaccel_select="h264_decoder"
2559 h264_vda_decoder_deps="vda"
2560 h264_vda_decoder_select="h264_decoder"
2561 h264_vda_hwaccel_deps="vda"
2562 h264_vda_hwaccel_select="h264_decoder"
2563 h264_vda_old_hwaccel_deps="vda"
2564 h264_vda_old_hwaccel_select="h264_decoder"
2565 h264_vdpau_decoder_deps="vdpau"
2566 h264_vdpau_decoder_select="h264_decoder"
2567 h264_vdpau_hwaccel_deps="vdpau"
2568 h264_vdpau_hwaccel_select="h264_decoder"
2569 h264_videotoolbox_hwaccel_deps="videotoolbox"
2570 h264_videotoolbox_hwaccel_select="h264_decoder"
2571 hevc_cuvid_hwaccel_deps="cuda cuvid CUVIDHEVCPICPARAMS"
2572 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2573 hevc_d3d11va_hwaccel_select="hevc_decoder"
2574 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2575 hevc_dxva2_hwaccel_select="hevc_decoder"
2576 hevc_qsv_hwaccel_deps="libmfx"
2577 hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC"
2578 hevc_vaapi_hwaccel_select="hevc_decoder"
2579 hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"
2580 hevc_vdpau_hwaccel_select="hevc_decoder"
2581 mpeg_vdpau_decoder_deps="vdpau"
2582 mpeg_vdpau_decoder_select="mpeg2video_decoder"
2583 mpeg_xvmc_hwaccel_deps="xvmc"
2584 mpeg_xvmc_hwaccel_select="mpeg2video_decoder"
2585 mpeg1_vdpau_decoder_deps="vdpau"
2586 mpeg1_vdpau_decoder_select="mpeg1video_decoder"
2587 mpeg1_vdpau_hwaccel_deps="vdpau"
2588 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2589 mpeg1_videotoolbox_hwaccel_deps="videotoolbox"
2590 mpeg1_videotoolbox_hwaccel_select="mpeg1video_decoder"
2591 mpeg1_xvmc_hwaccel_deps="xvmc"
2592 mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"
2593 mpeg2_crystalhd_decoder_select="crystalhd"
2594 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2595 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2596 mpeg2_dxva2_hwaccel_deps="dxva2"
2597 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2598 mpeg2_mmal_decoder_deps="mmal"
2599 mpeg2_mmal_decoder_select="mmal"
2600 mpeg2_mmal_hwaccel_deps="mmal"
2601 mpeg2_qsv_hwaccel_deps="libmfx"
2602 mpeg2_qsv_hwaccel_select="qsvdec_mpeg2"
2603 mpeg2_vaapi_hwaccel_deps="vaapi"
2604 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2605 mpeg2_vdpau_hwaccel_deps="vdpau"
2606 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2607 mpeg2_videotoolbox_hwaccel_deps="videotoolbox"
2608 mpeg2_videotoolbox_hwaccel_select="mpeg2video_decoder"
2609 mpeg2_xvmc_hwaccel_deps="xvmc"
2610 mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"
2611 mpeg4_crystalhd_decoder_select="crystalhd"
2612 mpeg4_mmal_decoder_deps="mmal"
2613 mpeg4_mmal_decoder_select="mmal"
2614 mpeg4_mmal_hwaccel_deps="mmal"
2615 mpeg4_omx_encoder_deps="omx"
2616 mpeg4_vaapi_hwaccel_deps="vaapi"
2617 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2618 mpeg4_vdpau_decoder_deps="vdpau"
2619 mpeg4_vdpau_decoder_select="mpeg4_decoder"
2620 mpeg4_vdpau_hwaccel_deps="vdpau"
2621 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2622 mpeg4_videotoolbox_hwaccel_deps="videotoolbox"
2623 mpeg4_videotoolbox_hwaccel_select="mpeg4_decoder"
2624 msmpeg4_crystalhd_decoder_select="crystalhd"
2625 vc1_crystalhd_decoder_select="crystalhd"
2626 vc1_cuvid_hwaccel_deps="cuda cuvid CUVIDVC1PICPARAMS"
2627 vc1_d3d11va_hwaccel_deps="d3d11va"
2628 vc1_d3d11va_hwaccel_select="vc1_decoder"
2629 vc1_dxva2_hwaccel_deps="dxva2"
2630 vc1_dxva2_hwaccel_select="vc1_decoder"
2631 vc1_mmal_decoder_deps="mmal"
2632 vc1_mmal_decoder_select="mmal"
2633 vc1_mmal_hwaccel_deps="mmal"
2634 vc1_qsv_hwaccel_deps="libmfx"
2635 vc1_qsv_hwaccel_select="qsvdec_vc1"
2636 vc1_vaapi_hwaccel_deps="vaapi"
2637 vc1_vaapi_hwaccel_select="vc1_decoder"
2638 vc1_vdpau_decoder_deps="vdpau"
2639 vc1_vdpau_decoder_select="vc1_decoder"
2640 vc1_vdpau_hwaccel_deps="vdpau"
2641 vc1_vdpau_hwaccel_select="vc1_decoder"
2642 vp8_cuvid_hwaccel_deps="cuda cuvid CUVIDVP9PICPARAMS"
2643 vp9_cuvid_hwaccel_deps="cuda cuvid CUVIDVP9PICPARAMS"
2644 vp9_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_VP9"
2645 vp9_d3d11va_hwaccel_select="vp9_decoder"
2646 vp9_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_VP9"
2647 vp9_dxva2_hwaccel_select="vp9_decoder"
2648 vp9_vaapi_hwaccel_deps="vaapi VADecPictureParameterBufferVP9"
2649 vp9_vaapi_hwaccel_select="vp9_decoder"
2650 wmv3_crystalhd_decoder_select="crystalhd"
2651 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2652 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2653 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2654 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2655 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2657 # hardware-accelerated codecs
2658 omx_deps="dlopen pthreads"
2659 omx_extralibs='$ldl'
2662 vaapi_encode_deps="vaapi"
2664 hwupload_cuda_filter_deps="cuda"
2665 scale_npp_filter_deps="cuda libnpp"
2667 nvenc_encoder_deps="nvenc"
2668 h264_cuvid_decoder_deps="cuda cuvid CUVIDH264PICPARAMS"
2669 h264_cuvid_decoder_select="h264_mp4toannexb_bsf h264_cuvid_hwaccel"
2670 h264_qsv_decoder_deps="libmfx"
2671 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
2672 h264_qsv_encoder_deps="libmfx"
2673 h264_qsv_encoder_select="qsvenc"
2674 h264_vaapi_encoder_deps="VAEncPictureParameterBufferH264"
2675 h264_vaapi_encoder_select="vaapi_encode golomb"
2677 hevc_cuvid_decoder_deps="cuda cuvid CUVIDHEVCPICPARAMS"
2678 hevc_cuvid_decoder_select="hevc_mp4toannexb_bsf hevc_cuvid_hwaccel"
2679 hevc_qsv_decoder_deps="libmfx"
2680 hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec hevc_qsv_hwaccel"
2681 hevc_qsv_encoder_deps="libmfx"
2682 hevc_qsv_encoder_select="qsvenc"
2683 hevc_vaapi_encoder_deps="VAEncPictureParameterBufferHEVC"
2684 hevc_vaapi_encoder_select="vaapi_encode golomb"
2685 mpeg2_qsv_decoder_deps="libmfx"
2686 mpeg2_qsv_decoder_select="qsvdec mpeg2_qsv_hwaccel"
2687 mpeg2_qsv_encoder_deps="libmfx"
2688 mpeg2_qsv_encoder_select="qsvenc"
2689 nvenc_h264_encoder_deps="nvenc"
2690 nvenc_hevc_encoder_deps="nvenc"
2692 vc1_cuvid_decoder_deps="cuda cuvid CUVIDVC1PICPARAMS"
2693 vc1_cuvid_decoder_select="vc1_cuvid_hwaccel"
2694 vp8_cuvid_decoder_deps="cuda cuvid CUVIDVP9PICPARAMS"
2695 vp8_cuvid_decoder_select="vp8_cuvid_hwaccel"
2696 vp9_cuvid_decoder_deps="cuda cuvid CUVIDVP9PICPARAMS"
2697 vp9_cuvid_decoder_select="vp9_cuvid_hwaccel"
2700 h264_parser_select="golomb h264dsp"
2701 hevc_parser_select="golomb"
2702 mpegvideo_parser_select="mpegvideo"
2703 mpeg4video_parser_select="h263dsp mpegvideo qpeldsp"
2704 vc1_parser_select="vc1dsp"
2707 mjpeg2jpeg_bsf_select="jpegtables"
2709 # external libraries
2710 aac_at_decoder_deps="audiotoolbox"
2711 ac3_at_decoder_deps="audiotoolbox"
2712 ac3_at_decoder_select="ac3_parser"
2713 adpcm_ima_qt_at_decoder_deps="audiotoolbox"
2714 alac_at_decoder_deps="audiotoolbox"
2715 amr_nb_at_decoder_deps="audiotoolbox"
2716 eac3_at_decoder_deps="audiotoolbox"
2717 eac3_at_decoder_select="ac3_parser"
2718 gsm_ms_at_decoder_deps="audiotoolbox"
2719 ilbc_at_decoder_deps="audiotoolbox"
2720 mp1_at_decoder_deps="audiotoolbox"
2721 mp2_at_decoder_deps="audiotoolbox"
2722 mp3_at_decoder_deps="audiotoolbox"
2723 pcm_alaw_at_decoder_deps="audiotoolbox"
2724 pcm_mulaw_at_decoder_deps="audiotoolbox"
2725 qdmc_at_decoder_deps="audiotoolbox"
2726 qdm2_at_decoder_deps="audiotoolbox"
2727 aac_at_encoder_deps="audiotoolbox"
2728 aac_at_encoder_select="audio_frame_queue"
2729 alac_at_encoder_deps="audiotoolbox"
2730 alac_at_encoder_select="audio_frame_queue"
2731 ilbc_at_encoder_deps="audiotoolbox"
2732 ilbc_at_encoder_select="audio_frame_queue"
2733 pcm_alaw_at_encoder_deps="audiotoolbox"
2734 pcm_alaw_at_encoder_select="audio_frame_queue"
2735 pcm_mulaw_at_encoder_deps="audiotoolbox"
2736 pcm_mulaw_at_encoder_select="audio_frame_queue"
2737 chromaprint_muxer_deps="chromaprint"
2738 h264_videotoolbox_encoder_deps="videotoolbox_encoder pthreads"
2739 libcelt_decoder_deps="libcelt"
2740 libfaac_encoder_deps="libfaac"
2741 libfaac_encoder_select="audio_frame_queue"
2742 libfdk_aac_decoder_deps="libfdk_aac"
2743 libfdk_aac_encoder_deps="libfdk_aac"
2744 libfdk_aac_encoder_select="audio_frame_queue"
2745 libgme_demuxer_deps="libgme"
2746 libgsm_decoder_deps="libgsm"
2747 libgsm_encoder_deps="libgsm"
2748 libgsm_ms_decoder_deps="libgsm"
2749 libgsm_ms_encoder_deps="libgsm"
2750 libilbc_decoder_deps="libilbc"
2751 libilbc_encoder_deps="libilbc"
2752 libkvazaar_encoder_deps="libkvazaar"
2753 libmodplug_demuxer_deps="libmodplug"
2754 libmp3lame_encoder_deps="libmp3lame"
2755 libmp3lame_encoder_select="audio_frame_queue"
2756 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2757 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2758 libopencore_amrnb_encoder_select="audio_frame_queue"
2759 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2760 libopenh264_encoder_deps="libopenh264"
2761 libopenjpeg_decoder_deps="libopenjpeg"
2762 libopenjpeg_encoder_deps="libopenjpeg"
2763 libopus_decoder_deps="libopus"
2764 libopus_encoder_deps="libopus"
2765 libopus_encoder_select="audio_frame_queue"
2766 libschroedinger_decoder_deps="libschroedinger"
2767 libschroedinger_encoder_deps="libschroedinger"
2768 libshine_encoder_deps="libshine"
2769 libshine_encoder_select="audio_frame_queue"
2770 libspeex_decoder_deps="libspeex"
2771 libspeex_encoder_deps="libspeex"
2772 libspeex_encoder_select="audio_frame_queue"
2773 libtheora_encoder_deps="libtheora"
2774 libtwolame_encoder_deps="libtwolame"
2775 libutvideo_decoder_deps="libutvideo"
2776 libutvideo_encoder_deps="libutvideo"
2777 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2778 libvorbis_decoder_deps="libvorbis"
2779 libvorbis_encoder_deps="libvorbis"
2780 libvorbis_encoder_select="audio_frame_queue"
2781 libvpx_vp8_decoder_deps="libvpx"
2782 libvpx_vp8_encoder_deps="libvpx"
2783 libvpx_vp9_decoder_deps="libvpx"
2784 libvpx_vp9_encoder_deps="libvpx"
2785 libwavpack_encoder_deps="libwavpack"
2786 libwebp_encoder_deps="libwebp"
2787 libwebp_anim_encoder_deps="libwebp"
2788 libx262_encoder_deps="libx262"
2789 libx264_encoder_deps="libx264"
2790 libx264rgb_encoder_deps="libx264 x264_csp_bgr"
2791 libx264rgb_encoder_select="libx264_encoder"
2792 libx265_encoder_deps="libx265"
2793 libxavs_encoder_deps="libxavs"
2794 libxvid_encoder_deps="libxvid"
2795 libzvbi_teletext_decoder_deps="libzvbi"
2796 videotoolbox_deps="VideoToolbox_VideoToolbox_h"
2797 videotoolbox_extralibs="-framework CoreFoundation -framework VideoToolbox -framework CoreMedia -framework CoreVideo"
2798 videotoolbox_encoder_deps="videotoolbox VTCompressionSessionPrepareToEncodeFrames"
2799 videotoolbox_encoder_suggest="vda_framework vt_bt2020"
2800 vt_bt2020_deps="kCVImageBufferColorPrimaries_ITU_R_2020"
2803 ac3_demuxer_select="ac3_parser"
2804 asf_demuxer_select="riffdec"
2805 asf_o_demuxer_select="riffdec"
2806 asf_muxer_select="riffenc"
2807 asf_stream_muxer_select="asf_muxer"
2808 avi_demuxer_select="iso_media riffdec exif"
2809 avi_muxer_select="riffenc"
2810 avisynth_demuxer_deps="avisynth"
2811 avisynth_demuxer_select="riffdec"
2812 caf_demuxer_select="iso_media riffdec"
2813 dash_muxer_select="mp4_muxer"
2814 dirac_demuxer_select="dirac_parser"
2815 dts_demuxer_select="dca_parser"
2816 dtshd_demuxer_select="dca_parser"
2817 dv_demuxer_select="dvprofile"
2818 dv_muxer_select="dvprofile"
2819 dxa_demuxer_select="riffdec"
2820 eac3_demuxer_select="ac3_parser"
2821 f4v_muxer_select="mov_muxer"
2822 flac_demuxer_select="flac_parser"
2823 hds_muxer_select="flv_muxer"
2824 hls_muxer_select="mpegts_muxer"
2825 image2_alias_pix_demuxer_select="image2_demuxer"
2826 image2_brender_pix_demuxer_select="image2_demuxer"
2827 ipod_muxer_select="mov_muxer"
2828 ismv_muxer_select="mov_muxer"
2829 libnut_demuxer_deps="libnut"
2830 libnut_muxer_deps="libnut"
2831 matroska_audio_muxer_select="matroska_muxer"
2832 matroska_demuxer_select="iso_media riffdec"
2833 matroska_demuxer_suggest="bzlib lzo zlib"
2834 matroska_muxer_select="iso_media riffenc"
2835 mmf_muxer_select="riffenc"
2836 mov_demuxer_select="iso_media riffdec"
2837 mov_demuxer_suggest="zlib"
2838 mov_muxer_select="iso_media riffenc rtpenc_chain"
2839 mp3_demuxer_select="mpegaudio_parser"
2840 mp4_muxer_select="mov_muxer"
2841 mpegts_demuxer_select="iso_media"
2842 mpegts_muxer_select="adts_muxer latm_muxer"
2843 mpegtsraw_demuxer_select="mpegts_demuxer"
2844 mxf_d10_muxer_select="mxf_muxer"
2845 mxf_opatom_muxer_select="mxf_muxer"
2846 nut_muxer_select="riffenc"
2847 nuv_demuxer_select="riffdec"
2848 oga_muxer_select="ogg_muxer"
2849 ogg_demuxer_select="dirac_parse"
2850 opus_muxer_select="ogg_muxer"
2851 psp_muxer_select="mov_muxer"
2852 rtp_demuxer_select="sdp_demuxer"
2853 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol srtp"
2854 rtsp_demuxer_select="http_protocol rtpdec"
2855 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2856 sap_demuxer_select="sdp_demuxer"
2857 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2858 sdp_demuxer_select="rtpdec"
2859 smoothstreaming_muxer_select="ismv_muxer"
2860 spdif_muxer_select="aac_parser"
2861 spx_muxer_select="ogg_muxer"
2862 swf_demuxer_suggest="zlib"
2863 tak_demuxer_select="tak_parser"
2864 tg2_muxer_select="mov_muxer"
2865 tgp_muxer_select="mov_muxer"
2866 vobsub_demuxer_select="mpegps_demuxer"
2867 w64_demuxer_select="wav_demuxer"
2868 w64_muxer_select="wav_muxer"
2869 wav_demuxer_select="riffdec"
2870 wav_muxer_select="riffenc"
2871 webm_muxer_select="iso_media riffenc"
2872 webm_dash_manifest_demuxer_select="matroska_demuxer"
2873 wtv_demuxer_select="mpegts_demuxer riffdec"
2874 wtv_muxer_select="mpegts_muxer riffenc"
2875 xmv_demuxer_select="riffdec"
2876 xwma_demuxer_select="riffdec"
2879 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2880 alsa_outdev_deps="alsa_asoundlib_h"
2881 avfoundation_indev_extralibs="-framework CoreVideo -framework Foundation -framework AVFoundation -framework CoreMedia"
2882 avfoundation_indev_select="avfoundation"
2883 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2884 caca_outdev_deps="libcaca"
2885 decklink_indev_deps="decklink pthreads"
2886 decklink_indev_extralibs="-lstdc++"
2887 decklink_outdev_deps="decklink pthreads"
2888 decklink_outdev_extralibs="-lstdc++"
2889 dshow_indev_deps="IBaseFilter"
2890 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"
2891 dv1394_indev_deps="dv1394"
2892 dv1394_indev_select="dv_demuxer"
2893 fbdev_indev_deps="linux_fb_h"
2894 fbdev_outdev_deps="linux_fb_h"
2895 gdigrab_indev_deps="CreateDIBSection"
2896 gdigrab_indev_extralibs="-lgdi32"
2897 gdigrab_indev_select="bmp_decoder"
2898 iec61883_indev_deps="libiec61883"
2899 jack_indev_deps="jack_jack_h"
2900 jack_indev_deps_any="sem_timedwait dispatch_dispatch_h"
2901 lavfi_indev_deps="avfilter"
2902 libcdio_indev_deps="libcdio"
2903 libdc1394_indev_deps="libdc1394"
2904 libv4l2_indev_deps="libv4l2"
2905 openal_indev_deps="openal"
2906 opengl_outdev_deps="opengl"
2907 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2908 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2909 pulse_indev_deps="libpulse"
2910 pulse_outdev_deps="libpulse"
2911 qtkit_indev_extralibs="-framework QTKit -framework Foundation -framework QuartzCore"
2912 qtkit_indev_select="qtkit"
2913 sdl_outdev_deps="sdl"
2914 sndio_indev_deps="sndio_h"
2915 sndio_outdev_deps="sndio_h"
2916 v4l_indev_deps="linux_videodev_h"
2917 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2918 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
2919 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2920 vfwcap_indev_extralibs="-lavicap32"
2921 x11grab_indev_deps="x11grab"
2922 x11grab_xcb_indev_deps="libxcb"
2923 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
2924 xv_outdev_extralibs="-lXv -lX11 -lXext"
2927 async_protocol_deps="threads"
2928 bluray_protocol_deps="libbluray"
2929 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2930 ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"
2931 ffrtmpcrypt_protocol_select="tcp_protocol"
2932 ffrtmphttp_protocol_deps="!librtmp_protocol"
2933 ffrtmphttp_protocol_select="http_protocol"
2934 ftp_protocol_select="tcp_protocol"
2935 gopher_protocol_select="network"
2936 http_protocol_select="tcp_protocol"
2937 httpproxy_protocol_select="tcp_protocol"
2938 https_protocol_select="tls_protocol"
2939 icecast_protocol_select="http_protocol"
2940 librtmp_protocol_deps="librtmp"
2941 librtmpe_protocol_deps="librtmp"
2942 librtmps_protocol_deps="librtmp"
2943 librtmpt_protocol_deps="librtmp"
2944 librtmpte_protocol_deps="librtmp"
2945 libsmbclient_protocol_deps="libsmbclient gplv3"
2946 libssh_protocol_deps="libssh"
2947 mmsh_protocol_select="http_protocol"
2948 mmst_protocol_select="network"
2949 rtmp_protocol_deps="!librtmp_protocol"
2950 rtmp_protocol_select="tcp_protocol"
2951 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2952 rtmps_protocol_deps="!librtmp_protocol"
2953 rtmps_protocol_select="tls_protocol"
2954 rtmpt_protocol_select="ffrtmphttp_protocol"
2955 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2956 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2957 rtp_protocol_select="udp_protocol"
2958 sctp_protocol_deps="struct_sctp_event_subscribe struct_msghdr_msg_flags"
2959 sctp_protocol_select="network"
2960 srtp_protocol_select="rtp_protocol srtp"
2961 tcp_protocol_select="network"
2962 tls_gnutls_protocol_deps="gnutls !tls_schannel_protocol !tls_securetransport_protocol"
2963 tls_gnutls_protocol_select="tcp_protocol"
2964 tls_openssl_protocol_deps="openssl !tls_schannel_protocol !tls_securetransport_protocol !tls_gnutls_protocol"
2965 tls_openssl_protocol_select="tcp_protocol"
2966 tls_schannel_protocol_deps="schannel"
2967 tls_schannel_protocol_select="tcp_protocol"
2968 tls_securetransport_protocol_deps="securetransport"
2969 tls_securetransport_protocol_select="tcp_protocol"
2970 tls_protocol_deps_any="tls_schannel_protocol tls_securetransport_protocol tls_gnutls_protocol tls_openssl_protocol"
2971 udp_protocol_select="network"
2972 udplite_protocol_select="network"
2973 unix_protocol_deps="sys_un_h"
2974 unix_protocol_select="network"
2977 afftfilt_filter_deps="avcodec"
2978 afftfilt_filter_select="fft"
2979 amovie_filter_deps="avcodec avformat"
2980 aresample_filter_deps="swresample"
2981 ass_filter_deps="libass"
2982 asyncts_filter_deps="avresample"
2983 atempo_filter_deps="avcodec"
2984 atempo_filter_select="rdft"
2985 azmq_filter_deps="libzmq"
2986 blackframe_filter_deps="gpl"
2987 boxblur_filter_deps="gpl"
2988 bs2b_filter_deps="libbs2b"
2989 colormatrix_filter_deps="gpl"
2990 cover_rect_filter_deps="avcodec avformat gpl"
2991 cropdetect_filter_deps="gpl"
2992 delogo_filter_deps="gpl"
2993 deshake_filter_select="pixelutils"
2994 drawtext_filter_deps="libfreetype"
2995 ebur128_filter_deps="gpl"
2996 eq_filter_deps="gpl"
2997 fftfilt_filter_deps="avcodec"
2998 fftfilt_filter_select="rdft"
2999 find_rect_filter_deps="avcodec avformat gpl"
3000 firequalizer_filter_deps="avcodec"
3001 firequalizer_filter_select="rdft"
3002 flite_filter_deps="libflite"
3003 framerate_filter_select="pixelutils"
3004 frei0r_filter_deps="frei0r dlopen"
3005 frei0r_src_filter_deps="frei0r dlopen"
3006 fspp_filter_deps="gpl"
3007 geq_filter_deps="gpl"
3008 histeq_filter_deps="gpl"
3009 hqdn3d_filter_deps="gpl"
3010 interlace_filter_deps="gpl"
3011 kerndeint_filter_deps="gpl"
3012 ladspa_filter_deps="ladspa dlopen"
3013 loudnorm_filter_deps="libebur128"
3014 mcdeint_filter_deps="avcodec gpl"
3015 movie_filter_deps="avcodec avformat"
3016 mpdecimate_filter_deps="gpl"
3017 mpdecimate_filter_select="pixelutils"
3018 mptestsrc_filter_deps="gpl"
3019 negate_filter_deps="lut_filter"
3020 nnedi_filter_deps="gpl"
3021 ocr_filter_deps="libtesseract"
3022 ocv_filter_deps="libopencv"
3023 owdenoise_filter_deps="gpl"
3024 pan_filter_deps="swresample"
3025 perspective_filter_deps="gpl"
3026 phase_filter_deps="gpl"
3027 pp7_filter_deps="gpl"
3028 pp_filter_deps="gpl postproc"
3029 pullup_filter_deps="gpl"
3030 removelogo_filter_deps="avcodec avformat swscale"
3031 repeatfields_filter_deps="gpl"
3032 resample_filter_deps="avresample"
3033 rubberband_filter_deps="librubberband"
3034 sab_filter_deps="gpl swscale"
3035 scale2ref_filter_deps="swscale"
3036 scale_filter_deps="swscale"
3037 select_filter_select="pixelutils"
3038 showcqt_filter_deps="avcodec avformat swscale"
3039 showcqt_filter_select="fft"
3040 showfreqs_filter_deps="avcodec"
3041 showfreqs_filter_select="fft"
3042 showspectrum_filter_deps="avcodec"
3043 showspectrum_filter_select="fft"
3044 showspectrumpic_filter_deps="avcodec"
3045 showspectrumpic_filter_select="fft"
3046 smartblur_filter_deps="gpl swscale"
3047 sofalizer_filter_deps="netcdf avcodec"
3048 sofalizer_filter_select="fft"
3049 spectrumsynth_filter_deps="avcodec"
3050 spectrumsynth_filter_select="fft"
3051 spp_filter_deps="gpl avcodec"
3052 spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"
3053 stereo3d_filter_deps="gpl"
3054 subtitles_filter_deps="avformat avcodec libass"
3055 super2xsai_filter_deps="gpl"
3056 pixfmts_super2xsai_test_deps="super2xsai_filter"
3057 tinterlace_filter_deps="gpl"
3058 tinterlace_merge_test_deps="tinterlace_filter"
3059 tinterlace_pad_test_deps="tinterlace_filter"
3060 uspp_filter_deps="gpl avcodec"
3061 vidstabdetect_filter_deps="libvidstab"
3062 vidstabtransform_filter_deps="libvidstab"
3063 zmq_filter_deps="libzmq"
3064 zoompan_filter_deps="swscale"
3065 zscale_filter_deps="libzimg"
3066 scale_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
3069 avcodec_example_deps="avcodec avutil"
3070 avio_dir_cmd="avformat avutil"
3071 avio_reading="avformat avcodec avutil"
3072 decoding_encoding_example_deps="avcodec avformat avutil"
3073 demuxing_decoding_example_deps="avcodec avformat avutil"
3074 extract_mvs_example_deps="avcodec avformat avutil"
3075 filter_audio_example_deps="avfilter avutil"
3076 filtering_audio_example_deps="avfilter avcodec avformat avutil"
3077 filtering_video_example_deps="avfilter avcodec avformat avutil"
3078 metadata_example_deps="avformat avutil"
3079 muxing_example_deps="avcodec avformat avutil swscale"
3080 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder vaapi_x11"
3081 remuxing_example_deps="avcodec avformat avutil"
3082 resampling_audio_example_deps="avutil swresample"
3083 scaling_video_example_deps="avutil swscale"
3084 transcode_aac_example_deps="avcodec avformat swresample"
3085 transcoding_example_deps="avfilter avcodec avformat avutil"
3087 # libraries, in linking order
3088 avcodec_deps="avutil"
3089 avdevice_deps="avformat avcodec avutil"
3090 avfilter_deps="avutil"
3091 avformat_deps="avcodec avutil"
3092 avresample_deps="avutil"
3093 postproc_deps="avutil gpl"
3094 swresample_deps="avutil"
3095 swscale_deps="avutil"
3098 ffmpeg_deps="avcodec avfilter avformat swresample"
3099 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
3101 setpts_filter trim_filter"
3102 ffplay_deps="avcodec avformat swscale swresample sdl"
3103 ffplay_libs='$sdl_libs'
3104 ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"
3105 ffprobe_deps="avcodec avformat"
3106 ffserver_deps="avformat fork sarestart"
3107 ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
3110 podpages_deps="perl"
3111 manpages_deps="perl pod2man"
3112 htmlpages_deps="perl"
3113 htmlpages_deps_any="makeinfo_html texi2html"
3114 txtpages_deps="perl makeinfo"
3115 doc_deps_any="manpages htmlpages podpages txtpages"
3117 # default parameters
3119 logfile="config.log"
3121 # installation paths
3122 prefix_default="/usr/local"
3123 bindir_default='${prefix}/bin'
3124 datadir_default='${prefix}/share/ffmpeg'
3125 docdir_default='${prefix}/share/doc/ffmpeg'
3126 incdir_default='${prefix}/include'
3127 libdir_default='${prefix}/lib'
3128 mandir_default='${prefix}/share/man'
3134 host_cc_default="gcc"
3136 doxygen_default="doxygen"
3138 ln_s_default="ln -s -f"
3141 pkg_config_default=pkg-config
3142 ranlib_default="ranlib"
3143 strip_default="strip"
3144 yasmexe_default="yasm"
3145 windres_default="windres"
3148 target_os_default=$(tolower $(uname -s))
3149 host_os=$target_os_default
3152 if test "$target_os_default" = aix; then
3153 arch_default=$(uname -p)
3154 strip_default="strip -X32_64"
3156 arch_default=$(uname -m)
3161 # configurable options
3162 enable $PROGRAM_LIST
3163 enable $DOCUMENT_LIST
3164 enable $EXAMPLE_LIST
3165 enable $(filter_out avresample $LIBRARY_LIST)
3171 enable faan faandct faanidct
3172 enable optimizations
3173 enable runtime_cpudetect
3174 enable safe_bitstream_reader
3176 enable swscale_alpha
3177 enable valgrind_backtrace
3179 sws_max_filter_size_default=256
3180 set_default sws_max_filter_size
3182 # Enable platform codecs by default.
3185 # Enable hwaccels by default.
3186 enable d3d11va dxva2 vaapi vda vdpau videotoolbox_hwaccel xvmc
3189 enable vda_framework videotoolbox videotoolbox_encoder
3192 SHFLAGS='-shared -Wl,-soname,$$(@F)'
3195 FULLNAME='$(NAME)$(BUILDSUF)'
3196 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
3199 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
3200 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
3201 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
3202 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
3203 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
3204 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
3229 host_cflags_filter=echo
3230 host_ldflags_filter=echo
3232 target_path='$(CURDIR)'
3234 # since the object filename is not given with the -MM flag, the compiler
3235 # is only able to print the basename, and we must add the path ourselves
3236 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>/dev/null | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(@F),$(@D)/$(@F)," > $(@:.o=.d)'
3240 if test -f configure; then
3243 source_path=$(cd $(dirname "$0"); pwd)
3244 case "$source_path" in
3245 *[[:blank:]]*) die "Out of tree builds are impossible with whitespace in source path." ;;
3247 test -e "$source_path/config.h" &&
3248 die "Out of tree builds are impossible with config.h in source dir."
3255 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
3261 file=$source_path/$3
3262 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
3265 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
3266 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
3267 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
3268 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
3269 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
3270 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
3271 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
3272 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
3273 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
3275 find_things_extern(){
3278 file=$source_path/$3
3279 sed -n "s/^[^#]*extern.*$pattern *ff_\([^ ]*\)_$thing;/\1_$thing/p" "$file"
3282 BSF_LIST=$(find_things_extern bsf AVBitStreamFilter libavcodec/bitstream_filters.c)
3283 PROTOCOL_LIST=$(find_things_extern protocol URLProtocol libavformat/protocols.c)
3299 for n in $COMPONENT_LIST; do
3300 v=$(toupper ${n%s})_LIST
3302 eval ${n}_if_any="\$$v"
3305 enable $ARCH_EXT_LIST
3308 echo "Unknown option \"$1\"."
3309 echo "See $0 --help for available options."
3313 print_in_columns() {
3314 cols=$(expr $ncols / 24)
3315 cat | tr ' ' '\n' | sort | pr -r "-$cols" -w $ncols -t
3321 echo $* | sed s/$suffix//g | print_in_columns
3333 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
3334 echo "prob ${prob:-0.5}"
3342 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
3343 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
3352 --extra-ldexeflags=*)
3353 add_ldexeflags $optval
3355 --extra-ldlibflags=*)
3356 add_ldlibflags $optval
3359 add_extralibs $optval
3362 disable $INDEV_LIST $OUTDEV_LIST
3365 debuglevel="$optval"
3368 disable $PROGRAM_LIST
3370 --disable-everything)
3371 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3374 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3375 disable $LIBRARY_LIST $PROGRAM_LIST doc
3378 --enable-random|--disable-random)
3379 action=${opt%%-random}
3380 do_random ${action#--} $COMPONENT_LIST
3382 --enable-random=*|--disable-random=*)
3383 action=${opt%%-random=*}
3384 do_random ${action#--} $optval
3386 --enable-*=*|--disable-*=*)
3387 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
3388 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
3389 eval list=\$$(toupper $thing)_LIST
3390 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
3391 list=$(filter "$name" $list)
3392 [ "$list" = "" ] && warn "Option $opt did not match anything"
3395 --enable-?*|--disable-?*)
3396 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
3397 if is_in $option $COMPONENT_LIST; then
3398 test $action = disable && action=unset
3399 eval $action \$$(toupper ${option%s})_LIST
3400 elif is_in $option $CMDLINE_SELECT; then
3407 NAME="${opt#--list-}"
3408 is_in $NAME $COMPONENT_LIST || die_unknown $opt
3410 eval show_list $NAME \$$(toupper $NAME)_LIST
3412 --help|-h) show_help
3414 --fatal-warnings) enable fatal_warnings
3417 optname="${opt%%=*}"
3418 optname="${optname#--}"
3419 optname=$(echo "$optname" | sed 's/-/_/g')
3420 if is_in $optname $CMDLINE_SET; then
3421 eval $optname='$optval'
3422 elif is_in $optname $CMDLINE_APPEND; then
3423 append $optname "$optval"
3435 disabled logging && logfile=/dev/null
3437 # Disable all the library-specific components if the library itself
3438 # is disabled, see AVCODEC_LIST and following _LIST variables.
3440 disable_components(){
3441 disabled ${1} && disable $(
3442 eval components="\$$(toupper ${1})_COMPONENTS"
3443 map 'eval echo \${$(toupper ${v%s})_LIST}' $components
3447 map 'disable_components $v' $LIBRARY_LIST
3449 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
3452 test -n "$valgrind" && toolchain="valgrind-memcheck"
3454 case "$toolchain" in
3456 cc_default="${toolchain%-asan}"
3457 add_cflags -fsanitize=address
3458 add_ldflags -fsanitize=address
3461 cc_default="${toolchain%-msan}"
3462 add_cflags -fsanitize=memory -fsanitize-memory-track-origins
3463 add_ldflags -fsanitize=memory
3466 cc_default="${toolchain%-tsan}"
3467 add_cflags -fsanitize=thread -pie
3468 add_ldflags -fsanitize=thread -pie
3469 case "$toolchain" in
3477 cc_default="${toolchain%-usan}"
3478 add_cflags -fsanitize=undefined
3479 add_ldflags -fsanitize=undefined
3482 target_exec_default="valgrind"
3483 case "$toolchain" in
3485 target_exec_args="--tool=massif --alloc-fn=av_malloc --alloc-fn=av_mallocz --alloc-fn=av_calloc --alloc-fn=av_fast_padded_malloc --alloc-fn=av_fast_malloc --alloc-fn=av_realloc_f --alloc-fn=av_fast_realloc --alloc-fn=av_realloc"
3488 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
3493 # Check whether the current MSVC version needs the C99 converter.
3494 # From MSVC 2013 (compiler major version 18) onwards, it does actually
3495 # support enough of C99 to build ffmpeg. Default to the new
3496 # behaviour if the regexp was unable to match anything, since this
3497 # successfully parses the version number of existing supported
3498 # versions that require the converter (MSVC 2010 and 2012).
3499 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
3500 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
3503 cc_default="c99wrap cl"
3505 ld_default="$source_path/compat/windows/mslink"
3506 nm_default="dumpbin -symbols"
3513 target_os_default="win32"
3514 # Use a relative path for TMPDIR. This makes sure all the
3515 # ffconf temp files are written with a relative path, avoiding
3516 # issues with msys/win32 path conversion for MSVC parameters
3517 # such as -Fo<file> or -out:<file>.
3523 nm_default="dumpbin -symbols"
3525 target_os_default="win32"
3529 add_cflags -fprofile-arcs -ftest-coverage
3530 add_ldflags -fprofile-arcs -ftest-coverage
3533 add_cflags -fprofile-arcs -ftest-coverage
3534 add_ldflags --coverage
3537 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
3538 add_cflags -fno-strict-overflow -fstack-protector-all
3539 add_ldflags -Wl,-z,relro -Wl,-z,now
3542 die "Unknown toolchain $toolchain"
3546 test -n "$cross_prefix" && enable cross_compile
3548 if enabled cross_compile; then
3549 test -n "$arch" && test -n "$target_os" ||
3550 die "Must specify target arch and OS when cross-compiling"
3553 ar_default="${cross_prefix}${ar_default}"
3554 cc_default="${cross_prefix}${cc_default}"
3555 cxx_default="${cross_prefix}${cxx_default}"
3556 nm_default="${cross_prefix}${nm_default}"
3557 pkg_config_default="${cross_prefix}${pkg_config_default}"
3558 if ${cross_prefix}${ranlib_default} 2>&1 | grep -q "\-D "; then
3559 ranlib_default="${cross_prefix}${ranlib_default} -D"
3561 ranlib_default="${cross_prefix}${ranlib_default}"
3563 strip_default="${cross_prefix}${strip_default}"
3564 windres_default="${cross_prefix}${windres_default}"
3566 sysinclude_default="${sysroot}/usr/include"
3568 set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \
3569 target_exec target_os yasmexe
3570 enabled cross_compile || host_cc_default=$cc
3573 pkg_config_fail_message=""
3574 if ! $pkg_config --version >/dev/null 2>&1; then
3575 warn "$pkg_config not found, library detection may fail."
3577 elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then
3578 pkg_config_fail_message="
3579 Note: When building a static binary, add --pkg-config-flags=\"--static\"."
3582 if test $doxygen != $doxygen_default && \
3583 ! $doxygen --version >/dev/null 2>&1; then
3584 warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."
3589 mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
3593 EXESUF=$(exesuf $target_os)
3594 HOSTEXESUF=$(exesuf $host_os)
3596 # set temporary file name
3597 : ${TMPDIR:=$TEMPDIR}
3601 if [ -n "$tempprefix" ] ; then
3603 echo $tempprefix.${HOSTNAME}.${UID}
3605 elif ! check_cmd mktemp -u XXXXXX; then
3606 # simple replacement for missing mktemp
3607 # NOT SAFE FOR GENERAL USE
3609 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
3614 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
3615 (set -C; exec > $tmp) 2>/dev/null ||
3616 die "Unable to create temporary file in $TMPDIR."
3617 append TMPFILES $tmp
3621 trap 'rm -f -- $TMPFILES' EXIT
3626 tmpfile TMPE $EXESUF
3638 # make sure we can execute files in $TMPDIR
3639 cat > $TMPSH 2>> $logfile <<EOF
3642 chmod +x $TMPSH >> $logfile 2>&1
3643 if ! $TMPSH >> $logfile 2>&1; then
3645 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
3646 variable to another directory and make sure that it is not mounted noexec.
3648 die "Sanity test failed."
3654 # Filter out MSVC cl.exe options from cflags that shouldn't
3655 # be passed to gas-preprocessor
3665 -std=c99) echo -c99 ;;
3666 -mcpu=*) echo -arch ${flag#*=} ;;
3667 -mieee) echo -ieee ;;
3668 -O*|-fast) echo $flag ;;
3669 -fno-math-errno) echo -assume nomath_errno ;;
3671 -Wall) echo -msg_enable level2 ;;
3672 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
3673 -Wl,*) echo $flag ;;
3683 -Wno-switch) echo -Wno-switch-enum ;;
3684 -Wno-format-zero-length) ;;
3685 -Wdisabled-optimization) ;;
3686 -Wno-pointer-sign) echo -Wno-other ;;
3692 msvc_common_flags(){
3695 # In addition to specifying certain flags under the compiler
3696 # specific filters, they must be specified here as well or else the
3697 # generic catch all at the bottom will print the original flag.
3701 -fomit-frame-pointer) ;;
3705 -fno-signed-zeros) ;;
3709 -lz) echo zlib.lib ;;
3710 -lavifil32) echo vfw32.lib ;;
3711 -lavicap32) echo vfw32.lib user32.lib ;;
3712 -lx264) echo libx264.lib ;;
3713 -l*) echo ${flag#-l}.lib ;;
3714 -LARGEADDRESSAWARE) echo $flag ;;
3715 -L*) echo -libpath:${flag#-L} ;;
3722 msvc_common_flags "$@"
3725 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
3726 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
3727 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
3729 -wd4273 -wd4554 -wd4701 ;;
3735 msvc_common_flags "$@"
3738 # Despite what Intel's documentation says -Wall, which is supported
3739 # on Windows, does enable remarks so disable them here.
3740 -Wall) echo $flag -Qdiag-disable:remark ;;
3741 -std=c99) echo -Qstd=c99 ;;
3759 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
3760 -fomit-frame-pointer) echo -Mnoframe ;;
3771 case "${flag#*=}" in
3772 native) echo -xtarget=native ;;
3773 v9|niagara) echo -xarch=sparc ;;
3774 ultrasparc) echo -xarch=sparcvis ;;
3775 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
3776 i586|pentium) echo -xchip=pentium ;;
3777 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
3778 pentium3*|c3-2) echo -xtarget=pentium3 ;;
3779 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
3780 pentium4*) echo -xtarget=pentium4 ;;
3781 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
3782 *-sse3) echo -xarch=sse3 ;;
3783 core2) echo -xarch=ssse3 -xchip=core2 ;;
3784 bonnell) echo -xarch=ssse3 ;;
3785 corei7|nehalem) echo -xtarget=nehalem ;;
3786 westmere) echo -xtarget=westmere ;;
3787 silvermont) echo -xarch=sse4_2 ;;
3788 corei7-avx|sandybridge) echo -xtarget=sandybridge ;;
3789 core-avx*|ivybridge|haswell|broadwell)
3791 amdfam10|barcelona) echo -xtarget=barcelona ;;
3792 btver1) echo -xarch=amdsse4a ;;
3793 btver2|bdver*) echo -xarch=avx ;;
3794 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
3795 k8|opteron|athlon64|athlon-fx)
3796 echo -xarch=sse2a ;;
3797 athlon*) echo -xarch=pentium_proa ;;
3800 -std=c99) echo -xc99 ;;
3801 -fomit-frame-pointer) echo -xregs=frameptr ;;
3802 -fPIC) echo -KPIC -xcode=pic32 ;;
3803 -W*,*) echo $flag ;;
3804 -f*-*|-W*|-mimpure-text) ;;
3815 case "${flag#*=}" in
3816 armv7-a|cortex-a*) echo -mv=7a8 ;;
3817 armv7-r|cortex-r*) echo -mv=7r4 ;;
3818 armv7-m|cortex-m*) echo -mv=7m3 ;;
3819 armv6*|arm11*) echo -mv=6 ;;
3820 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
3822 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
3825 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
3826 -mfpu=vfp) echo --float_support=vfpv2 ;;
3827 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
3828 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
3829 -msoft-float) echo --float_support=vfplib ;;
3830 -O[0-3]|-mf=*) echo $flag ;;
3832 -pds=*) echo $flag ;;
3833 -D*|-I*) echo $flag ;;
3834 --gcc|--abi=*) echo $flag ;;
3845 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
3846 unset _ld_o _ldflags _ld_lib _ld_path
3847 unset _depflags _DEPCMD _DEPFLAGS
3850 if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
3851 true # no-op to avoid reading stdin in following checks
3852 elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
3854 gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')
3855 _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"
3856 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3859 elif $_cc -v 2>&1 | grep -qi ^gcc; then
3861 gcc_version=$($_cc --version | head -n1)
3862 gcc_basever=$($_cc -dumpversion)
3863 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
3864 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
3865 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
3866 case $gcc_basever in
3869 *) _depflags='-MMD -MF $(@:.o=.d) -MT $@' ;;
3871 if [ "$first" = true ]; then
3872 case $gcc_basever in
3874 warn "gcc 4.2 is outdated and may miscompile FFmpeg. Please use a newer compiler." ;;
3879 elif $_cc --version 2>/dev/null | grep -q ^icc; then
3881 _ident=$($_cc --version | head -n1)
3886 _flags_filter=icc_flags
3887 elif $_cc -v 2>&1 | grep -q xlc; then
3889 _ident=$($_cc -qversion 2>/dev/null | head -n1)
3891 _cflags_size='-O5 -qcompact'
3892 elif $_cc -V 2>/dev/null | grep -q Compaq; then
3894 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
3896 _cflags_speed='-fast'
3898 _flags_filter=ccc_flags
3899 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
3900 test -d "$sysroot" || die "No valid sysroot specified."
3902 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
3903 armcc_conf="$PWD/armcc.conf"
3904 $_cc --arm_linux_configure \
3905 --arm_linux_config_file="$armcc_conf" \
3906 --configure_sysroot="$sysroot" \
3907 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
3908 die "Error creating armcc configuration file."
3909 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
3910 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
3911 as_default="${cross_prefix}gcc"
3915 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
3917 _ident=$($_cc -version | head -n1 | tr -s ' ')
3918 _flags='--gcc --abi=eabi -me'
3921 _depflags='-ppa -ppd=$(@:.o=.d)'
3922 _cflags_speed='-O3 -mf=5'
3923 _cflags_size='-O3 -mf=2'
3924 _flags_filter=tms470_flags
3925 elif $_cc -v 2>&1 | grep -q clang; then
3927 _ident=$($_cc --version 2>/dev/null | head -n1)
3928 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3931 elif $_cc -V 2>&1 | grep -q Sun; then
3933 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
3934 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3935 _DEPFLAGS='-xM1 -xc99'
3938 _cflags_size='-O5 -xspace'
3939 _flags_filter=suncc_flags
3940 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
3942 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3943 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3946 _flags_filter='filter_out -Wdisabled-optimization'
3947 elif $_cc -v 2>&1 | grep -q Open64; then
3949 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3950 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3953 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3954 elif $_cc -V 2>&1 | grep -q Portland; then
3956 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3957 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3958 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3959 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3961 _flags_filter=pgi_flags
3962 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
3964 _ident=$($_cc | head -n1)
3965 # 4509: "This form of conditional instruction is deprecated"
3966 _flags="-nologo -ignore 4509"
3967 _flags_filter=armasm_flags
3968 elif $_cc 2>&1 | grep -q Intel; then
3970 _ident=$($_cc 2>&1 | head -n1)
3971 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3972 # Not only is O3 broken on 13.x+ but it is slower on all previous
3973 # versions (tested) as well.
3975 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3976 if $_cc 2>&1 | grep -q Linker; then
3983 _flags_filter=icl_flags
3985 _ld_path='-libpath:'
3986 # -Qdiag-error to make icl error when seeing certain unknown arguments
3987 _flags='-nologo -Qdiag-error:4044,10157'
3988 # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency
3989 # with MSVC which enables it by default.
3990 _cflags='-D_USE_MATH_DEFINES -Qms0 -Qvec- -Qsimd- -GS -fp:precise'
3992 elif $_cc -nologo- 2>&1 | grep -q Microsoft; then
3994 _ident=$($_cc 2>&1 | head -n1)
3995 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3996 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3999 if $_cc -nologo- 2>&1 | grep -q Linker; then
4006 _flags_filter=msvc_flags
4008 _ld_path='-libpath:'
4010 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS'
4012 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
4014 _ident=$($_cc --version | head -n1)
4018 _flags_filter=cparser_flags
4021 eval ${pfx}_type=\$_type
4022 eval ${pfx}_ident=\$_ident
4026 eval ${1}_C=\${_cc_c-\${${1}_C}}
4027 eval ${1}_E=\${_cc_e-\${${1}_E}}
4028 eval ${1}_O=\${_cc_o-\${${1}_O}}
4030 if [ -n "$_depflags" ]; then
4031 eval ${1}_DEPFLAGS=\$_depflags
4033 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
4034 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
4035 eval DEP${1}FLAGS=\$_flags
4039 probe_cc cc "$cc" "true"
4040 cflags_filter=$_flags_filter
4041 cflags_speed=$_cflags_speed
4042 cflags_size=$_cflags_size
4043 cflags_noopt=$_cflags_noopt
4044 add_cflags $_flags $_cflags
4045 cc_ldflags=$_ldflags
4048 probe_cc hostcc "$host_cc"
4049 host_cflags_filter=$_flags_filter
4050 add_host_cflags $_flags $_cflags
4053 test -n "$cc_type" && enable $cc_type ||
4054 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
4056 : ${as_default:=$cc}
4057 : ${objcc_default:=$cc}
4058 : ${dep_cc_default:=$cc}
4059 : ${ld_default:=$cc}
4060 : ${host_ld_default:=$host_cc}
4061 set_default ar as objcc dep_cc ld ln_s host_ld windres
4064 asflags_filter=$_flags_filter
4065 add_asflags $_flags $_cflags
4068 probe_cc objcc "$objcc"
4069 objcflags_filter=$_flags_filter
4070 add_objcflags $_flags $_cflags
4074 ldflags_filter=$_flags_filter
4075 add_ldflags $_flags $_ldflags
4076 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
4078 LD_LIB=${_ld_lib-$LD_LIB}
4079 LD_PATH=${_ld_path-$LD_PATH}
4081 probe_cc hostld "$host_ld"
4082 host_ldflags_filter=$_flags_filter
4083 add_host_ldflags $_flags $_ldflags
4084 HOSTLD_O=${_ld_o-$HOSTLD_O}
4086 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
4087 probe_cc depcc "$dep_cc"
4088 CCDEP=${_DEPCMD:-$DEPCMD}
4089 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
4093 if $ar 2>&1 | grep -q Microsoft; then
4096 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
4099 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
4100 arflags='-Xany -r -c'
4102 elif $ar 2>&1 | grep -q "\[D\] "; then
4110 add_cflags $extra_cflags
4111 add_cxxflags $extra_cxxflags
4112 add_objcflags $extra_objcflags
4113 add_asflags $extra_cflags
4115 if test -n "$sysroot"; then
4118 add_cppflags --sysroot="$sysroot"
4119 add_ldflags --sysroot="$sysroot"
4120 # On Darwin --sysroot may be ignored, -isysroot always affects headers and linking
4121 add_cppflags -isysroot "$sysroot"
4122 add_ldflags -isysroot "$sysroot"
4125 add_cppflags -I"$sysinclude"
4126 add_ldflags --sysroot="$sysroot"
4131 if test "$cpu" = host; then
4132 enabled cross_compile &&
4133 die "--cpu=host makes no sense when cross-compiling."
4138 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
4140 s/.*$1=\\([^ ]*\\).*/\\1/
4145 cpu=$(check_native -march || check_native -mcpu)
4149 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
4150 sed -n "/cc1.*-target-cpu /{
4151 s/.*-target-cpu \\([^ ]*\\).*/\\1/
4156 cpu=$(check_native -march)
4160 test "${cpu:-host}" = host &&
4161 die "--cpu=host not supported with compiler $cc"
4164 # Deal with common $arch aliases
4188 "Power Macintosh"|ppc*|powerpc*)
4203 i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
4208 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
4211 # Add processor-specific flags
4212 if enabled aarch64; then
4216 cpuflags="-march=$cpu"
4219 cpuflags="-mcpu=$cpu"
4223 elif enabled alpha; then
4225 cpuflags="-mcpu=$cpu"
4227 elif enabled arm; then
4230 check_cpp_condition stddef.h \
4231 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
4236 if check_arm_arch 4; then echo armv4
4237 elif check_arm_arch 4T; then echo armv4t
4238 elif check_arm_arch 5; then echo armv5
4239 elif check_arm_arch 5E; then echo armv5e
4240 elif check_arm_arch 5T; then echo armv5t
4241 elif check_arm_arch 5TE; then echo armv5te
4242 elif check_arm_arch 5TEJ; then echo armv5te
4243 elif check_arm_arch 6; then echo armv6
4244 elif check_arm_arch 6J; then echo armv6j
4245 elif check_arm_arch 6K; then echo armv6k
4246 elif check_arm_arch 6Z; then echo armv6z
4247 elif check_arm_arch 6ZK; then echo armv6zk
4248 elif check_arm_arch 6T2; then echo armv6t2
4249 elif check_arm_arch 7; then echo armv7
4250 elif check_arm_arch 7A 7_A; then echo armv7-a
4251 elif check_arm_arch 7S; then echo armv7-a
4252 elif check_arm_arch 7R 7_R; then echo armv7-r
4253 elif check_arm_arch 7M 7_M; then echo armv7-m
4254 elif check_arm_arch 7EM 7E_M; then echo armv7-m
4255 elif check_arm_arch 8A 8_A; then echo armv8-a
4259 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
4263 cpuflags="-march=$cpu"
4264 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
4267 cpuflags="-mcpu=$cpu"
4269 cortex-a*) subarch=armv7a ;;
4270 cortex-r*) subarch=armv7r ;;
4271 cortex-m*) enable thumb; subarch=armv7m ;;
4272 arm11*) subarch=armv6 ;;
4273 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
4274 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
4275 *) subarch=$(probe_arm_arch) ;;
4281 armv5t*) enable fast_clz ;;
4284 disabled fast_unaligned || enable fast_unaligned
4288 elif enabled avr32; then
4293 cpuflags="-mpart=$cpu"
4297 cpuflags="-march=$cpu"
4301 cpuflags="-mcpu=$cpu"
4305 cpuflags="-march=$cpu"
4309 elif enabled bfin; then
4311 cpuflags="-mcpu=$cpu"
4313 elif enabled mips; then
4315 cpuflags="-march=$cpu"
4317 if [ "$cpu" != "generic" ]; then
4327 24kc|24kf*|24kec|34kc|1004kc|24kef*|34kf*|1004kf*|74kc|74kf)
4338 enable local_aligned_8 local_aligned_16 local_aligned_32
4339 enable simd_align_16
4343 enable fast_unaligned
4344 disable aligned_stack
4347 cpuflags="-march=loongson3a -mhard-float -fno-expensive-optimizations"
4350 cpuflags="-march=loongson2e -mhard-float -fno-expensive-optimizations"
4353 cpuflags="-march=loongson2f -mhard-float -fno-expensive-optimizations"
4358 # Unknown CPU. Disable everything.
4359 warn "unknown CPU. Disabling all MIPS optimizations."
4382 24kef*|34kf*|1004kf*)
4390 check_cflags "-mtune=p5600" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops"
4394 check_cflags "-mtune=i6400 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64"
4398 # We do not disable anything. Is up to the user to disable the unwanted features.
4399 warn 'generic cpu selected'
4402 elif enabled ppc; then
4406 case $(tolower $cpu) in
4407 601|ppc601|powerpc601)
4408 cpuflags="-mcpu=601"
4411 603*|ppc603*|powerpc603*)
4412 cpuflags="-mcpu=603"
4415 604*|ppc604*|powerpc604*)
4416 cpuflags="-mcpu=604"
4419 g3|75*|ppc75*|powerpc75*)
4420 cpuflags="-mcpu=750"
4423 g4|745*|ppc745*|powerpc745*)
4424 cpuflags="-mcpu=7450"
4427 74*|ppc74*|powerpc74*)
4428 cpuflags="-mcpu=7400"
4431 g5|970|ppc970|powerpc970)
4432 cpuflags="-mcpu=970"
4436 cpuflags="-mcpu=$cpu"
4440 cpuflags="-mcpu=$cpu"
4443 cpuflags="-mcpu=cell"
4448 cpuflags="-mcpu=e500mc"
4452 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
4457 cpuflags="-mcpu=8540 -mhard-float"
4463 elif enabled sparc; then
4466 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
4467 cpuflags="-mcpu=$cpu"
4469 ultrasparc*|niagara[234])
4470 cpuflags="-mcpu=$cpu"
4474 elif enabled x86; then
4478 cpuflags="-march=$cpu"
4482 # targets that do NOT support nopl and conditional mov (cmov)
4483 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
4484 cpuflags="-march=$cpu"
4487 # targets that do support nopl and conditional mov (cmov)
4488 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\
4489 |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|amdfam10|barcelona|b[dt]ver*)
4490 cpuflags="-march=$cpu"
4494 # targets that do support conditional mov but on which it's slow
4495 pentium4|pentium4m|prescott|nocona)
4496 cpuflags="-march=$cpu"
4504 if [ "$cpu" != generic ]; then
4505 add_cflags $cpuflags
4506 add_asflags $cpuflags
4507 test "$cc_type" = "$ld_type" && add_ldflags $cpuflags
4510 # compiler sanity check
4512 int main(void){ return 0; }
4514 if test "$?" != 0; then
4515 echo "$cc is unable to create an executable file."
4516 if test -z "$cross_prefix" && ! enabled cross_compile ; then
4517 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
4518 echo "Only do this if you know what cross compiling means."
4520 die "C compiler test failed."
4523 add_cppflags -D_ISOC99_SOURCE
4524 add_cxxflags -D__STDC_CONSTANT_MACROS
4525 check_cflags -std=c99
4526 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
4529 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
4533 add_host_cppflags -D_ISOC99_SOURCE
4534 check_host_cflags -std=c99
4535 check_host_cflags -Wall
4536 check_host_cflags -O3
4542 check_code cc "" "int test[2*($expr) - 1]" &&
4543 subarch=$arch64 || subarch=$arch32
4551 check_64bit mips mips64 '_MIPS_SIM > 1'
4555 check_64bit parisc parisc64 'sizeof(void *) > 4'
4559 check_64bit ppc ppc64 'sizeof(void *) > 4'
4563 check_64bit s390 s390x 'sizeof(void *) > 4'
4567 check_64bit sparc sparc64 'sizeof(void *) > 4'
4571 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
4572 # Treat x32 as x64 for now. Note it also needs spic=$shared
4573 test "$subarch" = "x86_32" && check_cpp_condition stddef.h 'defined(__x86_64__)' &&
4575 if test "$subarch" = "x86_64"; then
4580 check_cc <<EOF && subarch="ppc64"
4581 int test[(int)sizeof(char*) - 7];
4587 enabled spic && enable_weak pic
4593 add_cppflags '-I\$(SRC_PATH)/compat/aix'
4594 enabled shared && add_ldflags -Wl,-brtl
4598 enable section_data_rel_ro
4599 SLIB_INSTALL_NAME='$(SLIBNAME)'
4601 SHFLAGS='-shared -Wl,-soname,$(SLIBNAME)'
4604 prefix_default="/boot/common"
4605 network_extralibs="-lnetwork"
4609 SHFLAGS='-shared -Wl,-h,$$(@F)'
4610 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
4611 network_extralibs="-lsocket -lnsl"
4612 add_cppflags -D__EXTENSIONS__
4613 # When using suncc to build, the Solaris linker will mark
4614 # an executable with each instruction set encountered by
4615 # the Solaris assembler. As our libraries contain their own
4616 # guards for processor-specific code, instead suppress
4617 # generation of the HWCAPS ELF section on Solaris x86 only.
4618 enabled_all suncc x86 &&
4619 echo "hwcap_1 = OVERRIDE;" > mapfile &&
4620 add_ldflags -Wl,-M,mapfile
4621 nm_default='nm -P -g'
4622 SLIB_CREATE_DEF_CMD='$(Q)perl $(SRC_PATH)/compat/solaris/make_sunver.pl $$(filter %.ver,$$^) $(OBJS) | grep -v @ > $(SUBDIR)lib$(NAME).ver-sol2'
4626 oss_indev_extralibs="-lossaudio"
4627 oss_outdev_extralibs="-lossaudio"
4628 enabled gcc || check_ldflags -Wl,-zmuldefs
4633 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
4635 oss_indev_extralibs="-lossaudio"
4636 oss_outdev_extralibs="-lossaudio"
4644 add_extralibs -lpoll -lgnugetopt
4648 enabled ppc && add_asflags -force_cpusubtype_ALL
4649 install_name_dir_default='$(SHLIBDIR)'
4650 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(INSTALL_NAME_DIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
4651 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
4653 add_ldflags -Wl,-dynamic,-search_paths_first
4655 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
4656 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
4658 enabled x86_64 && objformat="macho64"
4659 enabled_any pic shared x86_64 ||
4660 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
4661 check_header dispatch/dispatch.h &&
4662 add_cppflags '-I\$(SRC_PATH)/compat/dispatch_semaphore'
4665 die "Native MSYS builds are discouraged, please use the MINGW environment."
4668 if test $target_os = "mingw32ce"; then
4673 decklink_outdev_extralibs="$decklink_outdev_extralibs -lole32 -loleaut32"
4674 decklink_indev_extralibs="$decklink_indev_extralibs -lole32 -loleaut32"
4676 if enabled x86_64; then
4677 LIBTARGET="i386:x86-64"
4678 elif enabled arm; then
4681 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
4682 enabled x86_32 && check_ldflags -Wl,--large-address-aware
4683 shlibdir_default="$bindir_default"
4686 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4687 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4688 dlltool="${cross_prefix}dlltool"
4689 if check_cmd lib.exe -list; then
4690 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4691 if enabled x86_64; then
4694 elif check_cmd $dlltool --version; then
4695 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
4697 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4699 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4700 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4701 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--disable-auto-image-base'
4705 check_ldflags -Wl,--nxcompat,--dynamicbase
4706 # Lets work around some stupidity in binutils.
4707 # ld will strip relocations from executables even though we need them
4708 # for dynamicbase (ASLR). Using -pie does retain the reloc section
4709 # however ld then forgets what the entry point should be (oops) so we
4710 # have to manually (re)set it.
4711 if enabled x86_32; then
4712 disabled debug && add_ldexeflags -Wl,--pic-executable,-e,_mainCRTStartup
4713 elif enabled x86_64; then
4714 disabled debug && add_ldexeflags -Wl,--pic-executable,-e,mainCRTStartup
4715 check_ldflags -Wl,--high-entropy-va # binutils 2.25
4716 # Set image base >4GB for extra entropy with HEASLR
4717 add_ldexeflags -Wl,--image-base,0x140000000
4718 append SHFLAGS -Wl,--image-base,0x180000000
4723 if enabled shared; then
4724 # Link to the import library instead of the normal static library
4727 # Cannot build both shared and static libs with MSVC or icl.
4730 enabled x86_32 && check_ldflags -LARGEADDRESSAWARE
4731 shlibdir_default="$bindir_default"
4734 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4735 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4736 SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
4737 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4739 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4740 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4741 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4748 shlibdir_default="$bindir_default"
4751 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4752 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4753 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4755 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
4756 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
4759 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
4761 *-dos|freedos|opendos)
4762 network_extralibs="-lsocket"
4765 add_cppflags -U__STRICT_ANSI__
4769 enable section_data_rel_ro
4773 ranlib="echo ignoring ranlib"
4778 add_cppflags -D_GNU_SOURCE
4779 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
4780 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
4784 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4785 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(FULLNAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
4786 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(FULLNAME).def; \
4787 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(FULLNAME).def; \
4788 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(FULLNAME).def; \
4789 echo EXPORTS >> $(SUBDIR)$(FULLNAME).def; \
4790 emxexp $(OBJS) >> $(SUBDIR)$(FULLNAME).def'
4791 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(FULLNAME)_dll.a $(SUBDIR)$(FULLNAME).def; \
4792 emximp -o $(SUBDIR)$(LIBPREF)$(FULLNAME)_dll.lib $(SUBDIR)$(FULLNAME).def;'
4793 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4795 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(FULLNAME)_dll.a $(LIBPREF)$(FULLNAME)_dll.lib'
4797 enable_weak os2threads
4800 add_cppflags -D_BSD_SOURCE
4805 add_cppflags -D_QNX_SOURCE
4806 network_extralibs="-lsocket"
4811 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
4812 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
4813 add_ldflags -Wl,--target1-abs,--no-undefined \
4814 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
4815 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
4816 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
4817 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
4818 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
4821 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
4826 add_cppflags -D_C99_SNPRINTF_EXTENSION \
4827 -D_REENTRANT_SOURCE \
4828 -D_RESEARCH_SOURCE \
4831 add_compat strtod.o strtod=avpriv_strtod
4832 network_extralibs='-lbsd'
4833 exeobjs=compat/plan9/main.o
4840 die "Unknown OS '$target_os'."
4844 # test if creating links works
4845 link_dest=$(mktemp -u $TMPDIR/dest_XXXXXXXX)
4846 link_name=$(mktemp -u $TMPDIR/name_XXXXXXXX)
4848 $ln_s "$link_dest" "$link_name"
4849 touch "$link_dest/test_file"
4850 if [ "$source_path" != "." ] && ([ ! -d src ] || [ -L src ]) && [ -e "$link_name/test_file" ]; then
4851 # create link to source path
4852 [ -e src ] && rm src
4853 $ln_s "$source_path" src
4856 # creating directory links doesn't work
4857 # fall back to using the full source path
4858 source_link="$source_path"
4864 # determine libc flavour
4869 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
4870 if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
4871 eval ${pfx}libc_type=uclibc
4872 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4873 elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then
4874 eval ${pfx}libc_type=glibc
4875 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4876 # MinGW headers can be installed on Cygwin, so check for newlib first.
4877 elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
4878 eval ${pfx}libc_type=newlib
4879 add_${pfx}cppflags -U__STRICT_ANSI__
4880 # MinGW64 is backwards compatible with MinGW32, so check for it first.
4881 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
4882 eval ${pfx}libc_type=mingw64
4883 if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then
4884 add_compat msvcrt/snprintf.o
4885 add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
4887 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4888 eval test \$${pfx_no_}cc_type = "gcc" &&
4889 add_${pfx}cppflags -D__printf__=__gnu_printf__
4890 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" ||
4891 check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
4892 eval ${pfx}libc_type=mingw32
4893 check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
4894 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
4895 die "ERROR: MinGW32 runtime version must be >= 3.15."
4896 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4897 eval test \$${pfx_no_}cc_type = "gcc" &&
4898 add_${pfx}cppflags -D__printf__=__gnu_printf__
4899 elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
4900 eval ${pfx}libc_type=msvcrt
4901 if check_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then
4902 if [ "$pfx" = host_ ]; then
4903 add_host_cppflags -Dsnprintf=_snprintf
4905 add_compat strtod.o strtod=avpriv_strtod
4906 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
4907 _snprintf=avpriv_snprintf \
4908 vsnprintf=avpriv_vsnprintf
4911 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
4912 # 0x601 by default unless something else is set by the user.
4913 # This can easily lead to us detecting functions only present
4914 # in such new versions and producing binaries requiring windows 7.0.
4915 # Therefore explicitly set the default to XP unless the user has
4916 # set something else on the command line.
4917 # Don't do this if WINAPI_FAMILY is set and is set to a non-desktop
4918 # family. For these cases, configure is free to use any functions
4919 # found in the SDK headers by default. (Alternatively, we could force
4920 # _WIN32_WINNT to 0x0602 in that case.)
4921 check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||
4922 { check_${pfx}cpp <<EOF && add_${pfx}cppflags -D_WIN32_WINNT=0x0502; }
4923 #ifdef WINAPI_FAMILY
4924 #include <winapifamily.h>
4925 #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
4930 elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
4931 eval ${pfx}libc_type=klibc
4932 elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then
4933 eval ${pfx}libc_type=bionic
4934 elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then
4935 eval ${pfx}libc_type=solaris
4936 add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
4938 check_${pfx}cc <<EOF
4940 void *v = localtime_r;
4942 test "$?" != 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
4944 void *v = localtime_r;
4950 test -n "$libc_type" && enable libc_$libc_type
4952 test -n "$host_libc_type" && enable host_libc_$host_libc_type
4956 add_compat strtod.o strtod=avpriv_strtod
4960 # hacks for compiler/libc/os combinations
4962 if enabled_all tms470 libc_glibc; then
4963 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
4964 add_cppflags -D__USER_LABEL_PREFIX__=
4965 add_cppflags -D__builtin_memset=memset
4966 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
4967 add_cflags -pds=48 # incompatible redefinition of macro
4970 if enabled_all ccc libc_glibc; then
4971 add_ldflags -Wl,-z,now # calls to libots crash without this
4974 check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||
4975 add_cppflags '-I\$(SRC_PATH)/compat/float'
4978 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
4981 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
4983 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
4986 : ${shlibdir_default:="$libdir"}
4987 : ${pkgconfigdir_default:="$libdir/pkgconfig"}
4989 set_default $PATHS_LIST
4992 # we need to build at least one lib type
4993 if ! enabled_any static shared; then
4995 At least one library type must be built.
4996 Specify --enable-static to build the static libraries or --enable-shared to
4997 build the shared libraries as well. To only build the shared libraries specify
4998 --disable-static in addition to --enable-shared.
5003 die_license_disabled() {
5004 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
5007 die_license_disabled_gpl() {
5008 enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }
5011 die_license_disabled gpl frei0r
5012 die_license_disabled gpl libcdio
5013 die_license_disabled gpl librubberband
5014 die_license_disabled gpl libsmbclient
5015 die_license_disabled gpl libutvideo
5016 die_license_disabled gpl libvidstab
5017 die_license_disabled gpl libx264
5018 die_license_disabled gpl libx265
5019 die_license_disabled gpl libxavs
5020 die_license_disabled gpl libxvid
5021 die_license_disabled gpl x11grab
5023 die_license_disabled nonfree cuda
5024 die_license_disabled nonfree cuvid
5025 die_license_disabled nonfree libfaac
5026 die_license_disabled nonfree libnpp
5027 enabled gpl && die_license_disabled_gpl nonfree libfdk_aac
5028 enabled gpl && die_license_disabled_gpl nonfree openssl
5030 die_license_disabled version3 gmp
5031 die_license_disabled version3 libopencore_amrnb
5032 die_license_disabled version3 libopencore_amrwb
5033 die_license_disabled version3 libsmbclient
5034 die_license_disabled version3 libvo_amrwbenc
5036 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
5038 disabled optimizations || check_cflags -fomit-frame-pointer
5041 disabled pic && return
5044 case "$target_os" in
5054 enabled pic && enable_weak_pic
5056 check_cc <<EOF || die "Symbol mangling check failed."
5059 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
5060 extern_prefix=${sym%%ff_extern*}
5062 check_cc <<EOF && enable_weak inline_asm
5063 void foo(void) { __asm__ volatile ("" ::); }
5067 for restrict_keyword in restrict __restrict__ __restrict; do
5068 check_cc <<EOF && _restrict=$restrict_keyword && break
5069 void foo(char * $restrict_keyword p);
5073 check_cc <<EOF && enable pragma_deprecated
5074 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
5077 check_cc <<EOF && enable attribute_packed
5078 struct { int x; } __attribute__((packed)) x;
5081 check_cc <<EOF && enable attribute_may_alias
5082 union { int x; } __attribute__((may_alias)) x;
5085 check_cc <<EOF || die "endian test failed"
5086 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
5088 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
5090 if ! enabled ppc64 || enabled bigendian; then
5095 log "check_gas using '$as' as AS"
5096 # :vararg is used on aarch64, arm and ppc altivec
5097 check_as <<EOF || return 1
5098 .macro m n, y:vararg=0
5103 # .altmacro is only used in arm asm
5104 ! enabled arm || check_as <<EOF || return 1
5111 if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then
5113 enabled_any arm aarch64 && nogas=die
5114 enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn
5118 arm*) gaspp_as_type=armasm; as_noop=-h ;;
5119 gcc) gaspp_as_type=gas ;;
5120 *) gaspp_as_type=$as_type ;;
5123 [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"
5125 test "${as#*gas-preprocessor.pl}" != "$as" ||
5126 check_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- ${as:=$cc} $as_noop &&
5127 gas="${gas:=gas-preprocessor.pl} -arch $arch -as-type $gaspp_as_type -- ${as:=$cc}"
5129 if ! check_gas ; then
5132 $nogas "GNU assembler not found, install/update gas-preprocessor"
5135 check_as <<EOF && enable as_func
5141 check_inline_asm inline_asm_labels '"1:\n"'
5143 check_inline_asm inline_asm_nonlocal_labels '"Label:\n"'
5145 if enabled aarch64; then
5146 enabled armv8 && check_insn armv8 'prfm pldl1strm, [x0]'
5147 # internal assembler in clang 3.3 does not support this instruction
5148 enabled neon && check_insn neon 'ext v0.8B, v0.8B, v1.8B, #1'
5149 enabled vfp && check_insn vfp 'fmadd d0, d0, d1, d2'
5151 map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM
5153 elif enabled alpha; then
5157 elif enabled arm; then
5159 enabled msvc && check_cpp_condition stddef.h "defined _M_ARMT" && enable thumb
5161 check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb
5162 float func(float a, float b){ return a+b; }
5165 enabled thumb && check_cflags -mthumb || check_cflags -marm
5167 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
5169 elif check_cpp_condition stddef.h "defined _M_ARM_FP && _M_ARM_FP >= 30"; then
5171 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__" && [ $target_os != darwin ]; then
5172 case "${cross_prefix:-$cc}" in
5173 *hardfloat*) enable vfp_args; fpabi=vfp ;;
5174 *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
5175 __asm__ (".eabi_attribute 28, 1");
5176 int main(void) { return 0; }
5179 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
5182 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
5183 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
5184 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
5185 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
5186 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
5187 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
5188 enabled setend && check_insn setend 'setend be'
5190 [ $target_os = linux ] || [ $target_os = android ] ||
5191 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
5194 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
5196 check_as <<EOF && enable as_dn_directive
5201 # llvm's integrated assembler supports .object_arch from llvm 3.5
5202 [ "$objformat" = elf ] && check_as <<EOF && enable as_object_arch
5206 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
5208 elif enabled mips; then
5210 enabled loongson2 && check_inline_asm loongson2 '"dmult.g $8, $9, $10"'
5211 enabled loongson3 && check_inline_asm loongson3 '"gsldxc1 $f0, 0($2, $3)"'
5212 enabled mmi && check_inline_asm mmi '"punpcklhw $f0, $f0, $f0"'
5214 # Enable minimum ISA based on selected options
5215 if enabled mips64; then
5216 enabled mips64r6 && check_inline_asm_flags mips64r6 '"dlsa $0, $0, $0, 1"' '-mips64r6'
5217 enabled mips64r2 && check_inline_asm_flags mips64r2 '"dext $0, $0, 0, 1"' '-mips64r2'
5218 disabled mips64r6 && disabled mips64r2 && check_inline_asm_flags mips64r1 '"daddi $0, $0, 0"' '-mips64'
5220 enabled mips32r6 && check_inline_asm_flags mips32r6 '"aui $0, $0, 0"' '-mips32r6'
5221 enabled mips32r5 && check_inline_asm_flags mips32r5 '"eretnc"' '-mips32r5'
5222 enabled mips32r2 && check_inline_asm_flags mips32r2 '"ext $0, $0, 0, 1"' '-mips32r2'
5223 disabled mips32r6 && disabled mips32r5 && disabled mips32r2 && check_inline_asm_flags mips32r1 '"addi $0, $0, 0"' '-mips32'
5226 enabled mipsfpu && check_inline_asm_flags mipsfpu '"cvt.d.l $f0, $f2"' '-mhard-float'
5227 enabled mipsfpu && (enabled mips32r5 || enabled mips32r6 || enabled mips64r6) && check_inline_asm_flags mipsfpu '"cvt.d.l $f0, $f1"' '-mfp64'
5228 enabled mipsfpu && enabled msa && check_inline_asm_flags msa '"addvi.b $w0, $w1, 1"' '-mmsa' && check_header msa.h || disable msa
5229 enabled mipsdsp && check_inline_asm_flags mipsdsp '"addu.qb $t0, $t1, $t2"' '-mdsp'
5230 enabled mipsdspr2 && check_inline_asm_flags mipsdspr2 '"absq_s.qb $t0, $t1"' '-mdspr2'
5232 elif enabled parisc; then
5234 if enabled gcc; then
5235 case $($cc -dumpversion) in
5236 4.[3-9].*) check_cflags -fno-optimize-sibling-calls ;;
5240 elif enabled ppc; then
5242 enable local_aligned_8 local_aligned_16 local_aligned_32
5244 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
5245 check_inline_asm ibm_asm '"add 0, 0, 0"'
5246 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
5247 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
5249 # AltiVec flags: The FSF version of GCC differs from the Apple version
5250 if enabled altivec; then
5251 check_cflags -maltivec -mabi=altivec &&
5252 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
5253 check_cflags -faltivec
5255 # check if our compiler supports Motorola AltiVec C API
5256 check_cc <<EOF || disable altivec
5259 vector signed int v1 = (vector signed int) { 0 };
5260 vector signed int v2 = (vector signed int) { 1 };
5261 v1 = vec_add(v1, v2);
5266 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
5269 if enabled vsx; then
5270 check_cflags -mvsx &&
5271 check_builtin vec_vsx_ld "altivec.h" "__builtin_vec_vsx_ld" || disable vsx
5274 if enabled power8; then
5275 check_cpp_condition "altivec.h" "defined(_ARCH_PWR8)" || disable power8
5278 elif enabled x86; then
5280 check_builtin rdtsc intrin.h "__rdtsc()"
5281 check_builtin mm_empty mmintrin.h "_mm_empty()"
5283 enable local_aligned_8 local_aligned_16 local_aligned_32
5285 # check whether EBP is available on x86
5286 # As 'i' is stored on the stack, this program will crash
5287 # if the base pointer is used to access it because the
5288 # base pointer is cleared in the inline assembly code.
5289 check_exec_crash <<EOF && enable ebp_available
5291 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
5295 # check whether EBX is available on x86
5296 check_inline_asm ebx_available '""::"b"(0)' &&
5297 check_inline_asm ebx_available '"":::"%ebx"'
5299 # check whether xmm clobbers are supported
5300 check_inline_asm xmm_clobbers '"":::"%xmm0"'
5302 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' ||
5303 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"'
5305 # check whether binutils is new enough to compile SSSE3/MMXEXT
5306 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
5307 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
5309 if ! disabled_any asm mmx yasm; then
5310 if check_cmd $yasmexe --version; then
5311 enabled x86_64 && yasm_extra="-m amd64"
5312 yasm_debug="-g dwarf2"
5313 elif check_cmd nasm -v; then
5315 yasm_debug="-g -F dwarf"
5316 if enabled x86_64; then
5317 case "$objformat" in
5318 elf) objformat=elf64 ;;
5319 win32) objformat=win64 ;;
5324 YASMFLAGS="-f $objformat $yasm_extra"
5325 enabled pic && append YASMFLAGS "-DPIC"
5326 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
5327 case "$objformat" in
5328 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
5331 check_yasm "movbe ecx, [5]" && enable yasm ||
5332 die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."
5333 check_yasm "vextracti128 xmm0, ymm0, 0" || disable avx2_external
5334 check_yasm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external
5335 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
5336 check_yasm "CPU amdnop" || disable cpunop
5340 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
5347 check_code cc arm_neon.h "int16x8_t test = vdupq_n_s16(0)" && enable intrinsics_neon
5349 check_ldflags -Wl,--as-needed
5350 check_ldflags -Wl,-z,noexecstack
5352 if check_func dlopen; then
5354 elif check_func dlopen -ldl; then
5358 decklink_outdev_extralibs="$decklink_outdev_extralibs $ldl"
5359 decklink_indev_extralibs="$decklink_indev_extralibs $ldl"
5360 frei0r_filter_extralibs='$ldl'
5361 frei0r_src_filter_extralibs='$ldl'
5362 ladspa_filter_extralibs='$ldl'
5363 nvenc_encoder_extralibs='$ldl'
5364 coreimage_filter_extralibs="-framework QuartzCore -framework AppKit -framework OpenGL"
5365 coreimagesrc_filter_extralibs="-framework QuartzCore -framework AppKit -framework OpenGL"
5367 if ! disabled network; then
5368 check_func getaddrinfo $network_extralibs
5369 check_func inet_aton $network_extralibs
5371 check_type netdb.h "struct addrinfo"
5372 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
5373 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
5374 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
5375 check_type poll.h "struct pollfd"
5376 check_type netinet/sctp.h "struct sctp_event_subscribe"
5377 check_struct "sys/socket.h" "struct msghdr" msg_flags
5378 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
5379 check_type netinet/in.h "struct sockaddr_in6"
5380 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
5381 check_type "sys/types.h sys/socket.h" socklen_t
5383 # Prefer arpa/inet.h over winsock2
5384 if check_header arpa/inet.h ; then
5385 check_func closesocket
5386 elif check_header winsock2.h ; then
5387 check_func_headers winsock2.h closesocket -lws2 &&
5388 network_extralibs="-lws2" ||
5389 { check_func_headers winsock2.h closesocket -lws2_32 &&
5390 network_extralibs="-lws2_32"; } || disable winsock2_h network
5391 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
5393 check_type ws2tcpip.h socklen_t
5394 check_type ws2tcpip.h "struct addrinfo"
5395 check_type ws2tcpip.h "struct group_source_req"
5396 check_type ws2tcpip.h "struct ip_mreq_source"
5397 check_type ws2tcpip.h "struct ipv6_mreq"
5398 check_type winsock2.h "struct pollfd"
5399 check_struct winsock2.h "struct sockaddr" sa_len
5400 check_type ws2tcpip.h "struct sockaddr_in6"
5401 check_type ws2tcpip.h "struct sockaddr_storage"
5407 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
5408 check_builtin atomic_compare_exchange "" "int *ptr, *oldval; int newval; __atomic_compare_exchange_n(ptr, oldval, newval, 0, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST)"
5409 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
5410 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
5411 check_builtin sarestart signal.h "SA_RESTART"
5412 check_builtin sem_timedwait semaphore.h "sem_t *s; sem_init(s,0,0); sem_timedwait(s,0); sem_destroy(s)" -lpthread
5413 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
5414 check_builtin gmtime_r time.h "time_t *time; struct tm *tm; gmtime_r(time, tm)"
5415 check_builtin localtime_r time.h "time_t *time; struct tm *tm; localtime_r(time, tm)"
5416 check_builtin x264_csp_bgr "stdint.h x264.h" "X264_CSP_BGR"
5418 case "$custom_allocator" in
5420 # jemalloc by default does not use a prefix
5421 require libjemalloc jemalloc/jemalloc.h malloc -ljemalloc
5424 require_pkg_config libtcmalloc gperftools/tcmalloc.h tc_malloc
5429 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
5430 check_func ${malloc_prefix}memalign && enable memalign
5431 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
5434 check_func arc4random
5435 check_func_headers time.h clock_gettime || { check_func_headers time.h clock_gettime -lrt && add_extralibs -lrt && LIBRT="-lrt"; }
5438 check_func gethrtime
5440 check_func getrusage
5441 check_func gettimeofday
5443 check_func mach_absolute_time
5447 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
5448 check_func_headers time.h nanosleep || { check_func_headers time.h nanosleep -lrt && add_extralibs -lrt && LIBRT="-lrt"; }
5449 check_func sched_getaffinity
5450 check_func setrlimit
5451 check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE
5452 check_func strerror_r
5457 check_func_headers conio.h kbhit
5458 check_func_headers io.h setmode
5459 check_func_headers lzo/lzo1x.h lzo1x_999_compress
5460 check_func_headers stdlib.h getenv
5461 check_func_headers sys/stat.h lstat
5463 check_func_headers windows.h CoTaskMemFree -lole32
5464 check_func_headers windows.h GetProcessAffinityMask
5465 check_func_headers windows.h GetProcessTimes
5466 check_func_headers windows.h GetSystemTimeAsFileTime
5467 check_func_headers windows.h MapViewOfFile
5468 check_func_headers windows.h PeekNamedPipe
5469 check_func_headers windows.h SetConsoleTextAttribute
5470 check_func_headers windows.h SetConsoleCtrlHandler
5471 check_func_headers windows.h Sleep
5472 check_func_headers windows.h VirtualAlloc
5473 check_struct windows.h "CONDITION_VARIABLE" Ptr
5474 check_func_headers glob.h glob
5476 check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext
5478 check_header AudioToolbox/AudioToolbox.h
5479 check_header direct.h
5480 check_header dirent.h
5481 check_header dlfcn.h
5482 check_header d3d11.h
5484 check_header dxva2api.h -D_WIN32_WINNT=0x0600
5486 check_header libcrystalhd/libcrystalhd_if.h
5487 check_header mach/mach_time.h
5488 check_header malloc.h
5489 check_header net/udplite.h
5491 check_header sys/mman.h
5492 check_header sys/param.h
5493 check_header sys/resource.h
5494 check_header sys/select.h
5495 check_header sys/time.h
5496 check_header sys/un.h
5497 check_header termios.h
5498 check_header unistd.h
5499 check_header valgrind/valgrind.h
5500 check_header vdpau/vdpau.h
5501 check_header vdpau/vdpau_x11.h
5502 check_header VideoDecodeAcceleration/VDADecoder.h
5503 check_header VideoToolbox/VideoToolbox.h
5504 check_func_headers VideoToolbox/VTCompressionSession.h VTCompressionSessionPrepareToEncodeFrames -framework VideoToolbox
5505 enabled videotoolbox && check_func_headers CoreVideo/CVImageBuffer.h kCVImageBufferColorPrimaries_ITU_R_2020 -framework CoreVideo
5506 check_header windows.h
5507 check_header X11/extensions/XvMClib.h
5508 check_header asm/types.h
5510 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
5511 check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32
5512 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
5513 check_lib "CoreServices/CoreServices.h" UTGetOSTypeFromString "-framework CoreServices"
5515 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
5517 check_type "windows.h dxva.h" "DXVA_PicParams_HEVC" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0
5518 check_type "windows.h dxva.h" "DXVA_PicParams_VP9" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0
5519 check_type "windows.h d3d11.h" "ID3D11VideoDecoder"
5520 check_type "windows.h d3d11.h" "ID3D11VideoContext"
5521 check_type "d3d9.h dxva2api.h" DXVA2_ConfigPictureDecode -D_WIN32_WINNT=0x0602
5523 check_type "va/va.h" "VAPictureParameterBufferHEVC"
5524 check_type "va/va.h" "VADecPictureParameterBufferVP9"
5525 check_type "va/va.h va/va_vpp.h" "VAProcPipelineParameterBuffer"
5526 check_type "va/va.h va/va_enc_h264.h" "VAEncPictureParameterBufferH264"
5527 check_type "va/va.h va/va_enc_hevc.h" "VAEncPictureParameterBufferHEVC"
5528 check_type "va/va.h va/va_enc_jpeg.h" "VAEncPictureParameterBufferJPEG"
5530 check_type "vdpau/vdpau.h" "VdpPictureInfoHEVC"
5532 check_type "cuviddec.h" "CUVIDH264PICPARAMS"
5533 check_type "cuviddec.h" "CUVIDHEVCPICPARAMS"
5534 check_type "cuviddec.h" "CUVIDVC1PICPARAMS"
5535 check_type "cuviddec.h" "CUVIDVP9PICPARAMS"
5537 check_cpp_condition windows.h "!WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)" && enable winrt || disable winrt
5539 if ! disabled w32threads && ! enabled pthreads; then
5540 check_func_headers "windows.h process.h" _beginthreadex &&
5541 enable w32threads || disable w32threads
5542 if ! enabled w32threads && enabled winrt; then
5543 check_func_headers "windows.h" CreateThread &&
5544 enable w32threads || disable w32threads
5548 # check for some common methods of building with pthread support
5549 # do this before the optional library checks as some of them require pthreads
5550 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
5552 if check_func pthread_join -pthread && check_func pthread_create -pthread; then
5554 add_extralibs -pthread
5555 elif check_func pthread_join -pthreads && check_func pthread_create -pthreads; then
5556 add_cflags -pthreads
5557 add_extralibs -pthreads
5558 elif check_func pthread_join -ldl -pthread && check_func pthread_create -ldl -pthread; then
5559 add_cflags -ldl -pthread
5560 add_extralibs -ldl -pthread
5561 elif check_func pthread_join -lpthreadGC2 && check_func pthread_create -lpthreadGC2; then
5562 add_extralibs -lpthreadGC2
5563 elif check_lib pthread.h pthread_join -lpthread && check_lib pthread.h pthread_create -lpthread; then
5565 elif ! check_func pthread_join && ! check_func pthread_create; then
5568 check_code cc "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER" || disable pthreads
5572 if enabled pthreads; then
5573 check_func pthread_cancel
5577 check_builtin sem_timedwait semaphore.h "sem_t *s; sem_init(s,0,0); sem_timedwait(s,0); sem_destroy(s)"
5579 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
5580 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
5581 disabled lzma || check_lib2 lzma.h lzma_version_number -llzma || disable lzma
5583 check_lib math.h sin -lm && LIBM="-lm"
5584 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
5592 for func in $MATH_FUNCS; do
5593 eval check_mathfunc $func \${${func}_args:-1}
5596 for func in $COMPLEX_FUNCS; do
5597 eval check_complexfunc $func \${${func}_args:-1}
5600 # Enable CUVID by default if CUDA is enabled
5601 if enabled cuda && ! disabled cuvid; then
5605 # these are off by default, so fail if requested and not available
5606 enabled avfoundation_indev && { check_header_objcc AVFoundation/AVFoundation.h || disable avfoundation_indev; }
5607 enabled avfoundation_indev && { check_lib2 CoreGraphics/CoreGraphics.h CGGetActiveDisplayList -framework CoreGraphics ||
5608 check_lib2 ApplicationServices/ApplicationServices.h CGGetActiveDisplayList -framework ApplicationServices; }
5609 enabled avisynth && { { check_lib2 "windows.h" LoadLibrary; } ||
5610 { check_lib2 "dlfcn.h" dlopen -ldl; } ||
5611 die "ERROR: LoadLibrary/dlopen not found for avisynth"; }
5612 enabled cuda && { check_lib cuda.h cuInit -lcuda ||
5613 die "ERROR: CUDA not found"; }
5614 enabled cuvid && { check_lib cuviddec.h cuvidCreateDecoder -lnvcuvid ||
5615 die "ERROR: CUVID not found"; } &&
5617 die "ERROR: CUVID requires CUDA"; }
5618 enabled chromaprint && require chromaprint chromaprint.h chromaprint_get_version -lchromaprint
5619 enabled coreimage_filter && { check_header_objcc QuartzCore/CoreImage.h || disable coreimage_filter; }
5620 enabled coreimagesrc_filter && { check_header_objcc QuartzCore/CoreImage.h || disable coreimagesrc_filter; }
5621 enabled decklink && { check_header DeckLinkAPI.h || die "ERROR: DeckLinkAPI.h header not found"; }
5622 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
5623 enabled gmp && require2 gmp gmp.h mpz_export -lgmp
5624 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
5625 enabled jni && { [ $target_os = "android" ] && check_header jni.h && enabled pthreads &&
5626 check_lib2 "dlfcn.h" dlopen -ldl; }
5627 enabled ladspa && { check_header ladspa.h || die "ERROR: ladspa.h header not found"; }
5628 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
5629 enabled libass && require_pkg_config libass ass/ass.h ass_library_init
5630 enabled libbluray && require_pkg_config libbluray libbluray/bluray.h bd_open
5631 enabled libbs2b && require_pkg_config libbs2b bs2b.h bs2b_open
5632 enabled libcelt && require libcelt celt/celt.h celt_decode -lcelt0 &&
5633 { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
5634 die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
5635 enabled libcaca && require_pkg_config caca caca.h caca_create_canvas
5636 enabled libebur128 && require ebur128 ebur128.h ebur128_relative_threshold -lebur128
5637 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
5638 enabled libfdk_aac && { use_pkg_config fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen ||
5639 { require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac &&
5640 warn "using libfdk without pkg-config"; } }
5641 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"
5642 enabled libflite && require2 libflite "flite/flite.h" flite_init $flite_libs
5643 enabled fontconfig && enable libfontconfig
5644 enabled libfontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
5645 enabled libfreetype && require_libfreetype
5646 enabled libfribidi && require_pkg_config fribidi fribidi.h fribidi_version_info
5647 enabled libgme && require libgme gme/gme.h gme_new_emu -lgme -lstdc++
5648 enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
5649 check_lib "${gsm_hdr}" gsm_create -lgsm && break;
5650 done || die "ERROR: libgsm not found"; }
5651 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
5652 enabled libkvazaar && require_pkg_config "kvazaar >= 0.8.1" kvazaar.h kvz_api_get
5653 enabled libmfx && require_pkg_config libmfx "mfx/mfxvideo.h" MFXInit
5654 enabled libmodplug && require_pkg_config libmodplug libmodplug/modplug.h ModPlug_Load
5655 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
5656 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
5657 enabled libnpp && require libnpp npp.h nppGetLibVersion -lnppi -lnppc
5658 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
5659 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
5660 enabled libopencv && { check_header opencv2/core/core_c.h &&
5661 { use_pkg_config opencv opencv2/core/core_c.h cvCreateImageHeader ||
5662 require opencv opencv2/core/core_c.h cvCreateImageHeader -lopencv_core -lopencv_imgproc; } ||
5663 require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader; }
5664 enabled libopenh264 && require_pkg_config openh264 wels/codec_api.h WelsGetCodecVersion
5665 enabled libopenjpeg && { check_lib openjpeg-2.1/openjpeg.h opj_version -lopenjp2 -DOPJ_STATIC ||
5666 check_lib openjpeg-2.0/openjpeg.h opj_version -lopenjp2 -DOPJ_STATIC ||
5667 check_lib openjpeg-1.5/openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||
5668 check_lib openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||
5669 die "ERROR: libopenjpeg not found"; }
5670 enabled libopus && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
5671 enabled libpulse && require_pkg_config libpulse pulse/pulseaudio.h pa_context_new
5672 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
5673 enabled librubberband && require_pkg_config "rubberband >= 1.8.1" rubberband/rubberband-c.h rubberband_new
5674 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
5675 enabled libshine && require_pkg_config shine shine/layer3.h shine_encode_buffer
5676 enabled libsmbclient && { use_pkg_config smbclient libsmbclient.h smbc_init ||
5677 require smbclient libsmbclient.h smbc_init -lsmbclient; }
5678 enabled libsnappy && require snappy snappy-c.h snappy_compress -lsnappy
5679 enabled libsoxr && require libsoxr soxr.h soxr_create -lsoxr && LIBSOXR="-lsoxr"
5680 enabled libssh && require_pkg_config libssh libssh/sftp.h sftp_init
5681 enabled libspeex && require_pkg_config speex speex/speex.h speex_decoder_init -lspeex
5682 enabled libtesseract && require_pkg_config tesseract tesseract/capi.h TessBaseAPICreate
5683 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
5684 enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame &&
5685 { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
5686 die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
5687 enabled libutvideo && { require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++ &&
5688 check_cpp_condition utvideo/utvideo.h "!defined(UTVIDEO_VERSION_MAJOR) || UTVIDEO_VERSION_MAJOR < 15 || UTVIDEO_VERSION_MAJOR == 15 && UTVIDEO_VERSION_MINOR < 4" ||
5689 die "ERROR: libutvideo version must be <= 15.3.0."; }
5690 enabled libv4l2 && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
5691 enabled libvidstab && require_pkg_config "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit
5692 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
5693 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
5696 enabled libvpx_vp8_decoder && {
5697 use_pkg_config "vpx >= 0.9.1" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp8_dx ||
5698 check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
5699 die "ERROR: libvpx decoder version must be >=0.9.1";
5701 enabled libvpx_vp8_encoder && {
5702 use_pkg_config "vpx >= 0.9.7" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp8_cx ||
5703 check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VP8E_SET_MAX_INTRA_BITRATE_PCT" -lvpx ||
5704 die "ERROR: libvpx encoder version must be >=0.9.7";
5706 enabled libvpx_vp9_decoder && {
5707 use_pkg_config "vpx >= 1.3.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx ||
5708 check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx ||
5709 disable libvpx_vp9_decoder;
5711 enabled libvpx_vp9_encoder && {
5712 use_pkg_config "vpx >= 1.3.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx ||
5713 check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VP9E_SET_AQ_MODE" -lvpx ||
5714 disable libvpx_vp9_encoder;
5716 if disabled_all libvpx_vp8_decoder libvpx_vp9_decoder libvpx_vp8_encoder libvpx_vp9_encoder; then
5717 die "libvpx enabled but no supported decoders found"
5721 enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack
5722 enabled libwebp && {
5723 enabled libwebp_encoder && require_pkg_config "libwebp >= 0.2.0" webp/encode.h WebPGetEncoderVersion
5724 enabled libwebp_anim_encoder && { use_pkg_config "libwebpmux >= 0.4.0" webp/mux.h WebPAnimEncoderOptionsInit || disable libwebp_anim_encoder; } }
5725 enabled libx264 && { use_pkg_config x264 "stdint.h x264.h" x264_encoder_encode ||
5726 { require libx264 x264.h x264_encoder_encode -lx264 &&
5727 warn "using libx264 without pkg-config"; } } &&
5728 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
5729 die "ERROR: libx264 must be installed and version must be >= 0.118."; } &&
5730 { check_cpp_condition x264.h "X264_MPEG2" &&
5732 enabled libx265 && require_pkg_config x265 x265.h x265_api_get &&
5733 { check_cpp_condition x265.h "X265_BUILD >= 68" ||
5734 die "ERROR: libx265 version must be >= 68."; }
5735 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
5736 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
5737 enabled libzimg && require_pkg_config zimg zimg.h zimg_get_api_version
5738 enabled libzmq && require_pkg_config libzmq zmq.h zmq_ctx_new
5739 enabled libzvbi && require libzvbi libzvbi.h vbi_decoder_new -lzvbi &&
5740 { check_cpp_condition libzvbi.h "VBI_VERSION_MAJOR > 0 || VBI_VERSION_MINOR > 2 || VBI_VERSION_MINOR == 2 && VBI_VERSION_MICRO >= 28" ||
5741 enabled gpl || die "ERROR: libzvbi requires version 0.2.28 or --enable-gpl."; }
5742 enabled mediacodec && { enabled jni || die "ERROR: mediacodec requires --enable-jni"; }
5743 enabled mmal && { check_lib interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ||
5744 { ! enabled cross_compile && {
5745 add_cflags -isystem/opt/vc/include/ -isystem/opt/vc/include/interface/vmcs_host/linux -isystem/opt/vc/include/interface/vcos/pthreads -fgnu89-inline ;
5746 add_extralibs -L/opt/vc/lib/ -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ;
5747 check_lib interface/mmal/mmal.h mmal_port_connect ; }
5748 check_lib interface/mmal/mmal.h mmal_port_connect ; } ||
5749 die "ERROR: mmal not found"; }
5751 (check_code cc interface/mmal/mmal.h "MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS" ||
5752 die "ERROR: mmal firmware headers too old")
5754 enabled netcdf && require_pkg_config netcdf netcdf.h nc_inq_libvers
5755 enabled nvenc && { check_header nvEncodeAPI.h || die "ERROR: nvEncodeAPI.h not found."; } &&
5756 { check_cpp_condition nvEncodeAPI.h "NVENCAPI_MAJOR_VERSION >= 6" ||
5757 die "ERROR: NVENC API version 5 or older is not supported"; } &&
5758 { [ $target_os != cygwin ] || die "ERROR: NVENC is not supported on Cygwin currently."; }
5759 enabled openal && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
5760 check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
5761 die "ERROR: openal not found"; } &&
5762 { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
5763 die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
5764 enabled opencl && { check_lib2 OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||
5765 check_lib2 CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||
5766 die "ERROR: opencl not found"; } &&
5767 { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||
5768 check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||
5769 die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }
5770 enabled opengl && { check_lib GL/glx.h glXGetProcAddress "-lGL" ||
5771 check_lib2 windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||
5772 check_lib2 OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||
5773 check_lib2 ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||
5774 die "ERROR: opengl not found."
5776 enabled omx_rpi && enable omx
5777 enabled omx && { check_header OMX_Core.h ||
5778 { ! enabled cross_compile && enabled omx_rpi && {
5779 add_cflags -isystem/opt/vc/include/IL ; }
5780 check_header OMX_Core.h ; } ||
5781 die "ERROR: OpenMAX IL headers not found"; }
5782 enabled openssl && { use_pkg_config openssl openssl/ssl.h SSL_library_init ||
5783 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
5784 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
5785 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
5786 die "ERROR: openssl not found"; }
5787 enabled qtkit_indev && { check_header_objcc QTKit/QTKit.h || disable qtkit_indev; }
5790 if enabled libdc1394; then
5791 { require_pkg_config libdc1394-2 dc1394/dc1394.h dc1394_new &&
5792 enable libdc1394_2; } ||
5793 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
5794 enable libdc1394_1; } ||
5795 die "ERROR: No version of libdc1394 found "
5798 if enabled gcrypt; then
5799 GCRYPT_CONFIG="${cross_prefix}libgcrypt-config"
5800 if "${GCRYPT_CONFIG}" --version > /dev/null 2>&1; then
5801 gcrypt_cflags=$("${GCRYPT_CONFIG}" --cflags)
5802 gcrypt_libs=$("${GCRYPT_CONFIG}" --libs)
5803 check_func_headers gcrypt.h gcry_mpi_new $gcrypt_cflags $gcrypt_libs ||
5804 die "ERROR: gcrypt not found"
5805 add_cflags $gcrypt_cflags && add_extralibs $gcrypt_libs
5807 require2 gcrypt gcrypt.h gcry_mpi_new -lgcrypt
5811 if ! disabled sdl; then
5812 SDL_CONFIG="${cross_prefix}sdl-config"
5813 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
5814 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
5815 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
5818 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
5819 sdl_cflags=$("${SDL_CONFIG}" --cflags)
5820 sdl_libs=$("${SDL_CONFIG}" --libs)
5821 check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
5822 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
5823 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
5825 elif enabled sdl ; then
5826 die "ERROR: SDL not found"
5831 if test $target_os = "mingw32"; then
5832 sdl_libs="$sdl_libs -mconsole"
5835 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
5837 disabled securetransport || { check_func SecIdentityCreate "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&
5838 check_lib2 "Security/SecureTransport.h Security/Security.h" "SSLCreateContext SecItemImport" "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&
5839 enable securetransport; }
5841 disabled schannel || { check_func_headers "windows.h security.h" InitializeSecurityContext -DSECURITY_WIN32 -lsecur32 &&
5842 check_cpp_condition winerror.h "defined(SEC_I_CONTEXT_EXPIRED)" && enable schannel && add_extralibs -lsecur32; }
5844 makeinfo --version > /dev/null 2>&1 && enable makeinfo || disable makeinfo
5846 && [ 0$(makeinfo --version | grep "texinfo" | sed 's/.*texinfo[^0-9]*\([0-9]*\)\..*/\1/') -ge 5 ] \
5847 && enable makeinfo_html || disable makeinfo_html
5848 disabled makeinfo_html && texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
5849 perl -v > /dev/null 2>&1 && enable perl || disable perl
5850 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
5851 rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout
5853 check_header linux/fb.h
5854 check_header linux/videodev.h
5855 check_header linux/videodev2.h
5856 check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete
5858 check_header sys/videoio.h
5859 check_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete
5861 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
5862 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
5863 # w32api 3.12 had it defined wrong
5864 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
5866 check_type "dshow.h" IBaseFilter
5868 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
5869 { check_header dev/bktr/ioctl_meteor.h &&
5870 check_header dev/bktr/ioctl_bt848.h; } ||
5871 { check_header machine/ioctl_meteor.h &&
5872 check_header machine/ioctl_bt848.h; } ||
5873 { check_header dev/video/meteor/ioctl_meteor.h &&
5874 check_header dev/video/bktr/ioctl_bt848.h; } ||
5875 check_header dev/ic/bt8xx.h
5877 check_header sndio.h
5878 if check_struct sys/soundcard.h audio_buf_info bytes; then
5879 enable_safe sys/soundcard.h
5881 check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
5882 #include <sys/soundcard.h>
5886 check_header soundcard.h
5888 enabled_any alsa_indev alsa_outdev &&
5889 check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
5891 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack &&
5892 check_func jack_port_get_latency_range -ljack
5894 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
5896 if enabled libcdio; then
5897 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
5898 check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
5899 die "ERROR: No usable libcdio/cdparanoia found"
5903 check_lib X11/Xlib.h XOpenDisplay -lX11 || disable xlib
5905 if ! disabled libxcb; then
5906 check_pkg_config "xcb >= 1.4" xcb/xcb.h xcb_connect || {
5907 enabled libxcb && die "ERROR: libxcb >= 1.4 not found";
5908 } && disable x11grab && enable libxcb
5910 if enabled libxcb; then
5911 disabled libxcb_shm || {
5912 check_pkg_config xcb-shm xcb/shm.h xcb_shm_attach || {
5913 enabled libxcb_shm && die "ERROR: libxcb_shm not found";
5914 } && check_header sys/shm.h && enable libxcb_shm; }
5916 disabled libxcb_xfixes || {
5917 check_pkg_config xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image || {
5918 enabled libxcb_xfixes && die "ERROR: libxcb_xfixes not found";
5919 } && enable libxcb_xfixes; }
5921 disabled libxcb_shape || {
5922 check_pkg_config xcb-shape xcb/shape.h xcb_shape_get_rectangles || {
5923 enabled libxcb_shape && die "ERROR: libxcb_shape not found";
5924 } && enable libxcb_shape; }
5926 add_cflags $xcb_cflags $xcb_shm_cflags $xcb_xfixes_cflags $xcb_shape_cflags
5927 add_extralibs $xcb_libs $xcb_shm_libs $xcb_xfixes_libs $xcb_shape_libs
5931 if enabled x11grab; then
5932 enabled xlib || die "ERROR: Xlib not found"
5933 require Xext X11/extensions/XShm.h XShmCreateImage -lXext
5934 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
5937 check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs"
5939 enabled dxva2api_h &&
5940 check_cc <<EOF && enable dxva2api_cobj
5941 #define _WIN32_WINNT 0x0600
5943 #include <windows.h>
5945 #include <dxva2api.h>
5946 int main(void) { IDirectXVideoDecoder *o = NULL; IDirectXVideoDecoder_Release(o); return 0; }
5950 check_lib va/va.h vaInitialize -lva ||
5954 check_code cc "va/va.h" "vaCreateSurfaces(0, 0, 0, 0, 0, 0, 0, 0)" ||
5957 if enabled vaapi ; then
5959 check_lib2 "va/va.h va/va_x11.h" vaGetDisplay -lva -lva-x11 &&
5962 check_lib2 "va/va.h va/va_drm.h" vaGetDisplayDRM -lva -lva-drm &&
5967 check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
5970 enabled vdpau && enabled xlib &&
5971 check_func_headers "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau &&
5972 prepend ffmpeg_libs $($ldflags_filter "-lvdpau") &&
5975 # Funny iconv installations are not unusual, so check it after all flags have been set
5976 disabled iconv || check_func_headers iconv.h iconv || check_lib2 iconv.h iconv -liconv || disable iconv
5978 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
5980 # add some useful compiler flags if supported
5981 check_cflags -Wdeclaration-after-statement
5983 check_cflags -Wdisabled-optimization
5984 check_cflags -Wpointer-arith
5985 check_cflags -Wredundant-decls
5986 check_cflags -Wwrite-strings
5987 check_cflags -Wtype-limits
5988 check_cflags -Wundef
5989 check_cflags -Wmissing-prototypes
5990 check_cflags -Wno-pointer-to-int-cast
5991 check_cflags -Wstrict-prototypes
5992 check_cflags -Wempty-body
5993 enabled extra_warnings && check_cflags -Winline
5994 enabled extra_warnings && check_cflags -Wcast-qual
5996 check_disable_warning(){
5997 warning_flag=-W${1#-Wno-}
5998 test_cflags $warning_flag && add_cflags $1
6001 check_disable_warning -Wno-parentheses
6002 check_disable_warning -Wno-switch
6003 check_disable_warning -Wno-format-zero-length
6004 check_disable_warning -Wno-pointer-sign
6005 check_disable_warning -Wno-unused-const-variable
6007 # add some linker flags
6008 check_ldflags -Wl,--warn-common
6009 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
6010 enabled rpath && add_ldexeflags -Wl,-rpath,$libdir
6011 enabled rpath && add_ldlibflags -Wl,-rpath,$libdir
6012 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
6014 # add some strip flags
6015 # -wN '..@*' is more selective than -x, but not available everywhere.
6016 check_stripflags -wN \'..@*\' || check_stripflags -x
6018 enabled neon_clobber_test &&
6019 check_ldflags -Wl,--wrap,avcodec_open2 \
6020 -Wl,--wrap,avcodec_decode_audio4 \
6021 -Wl,--wrap,avcodec_decode_video2 \
6022 -Wl,--wrap,avcodec_decode_subtitle2 \
6023 -Wl,--wrap,avcodec_encode_audio2 \
6024 -Wl,--wrap,avcodec_encode_video2 \
6025 -Wl,--wrap,avcodec_encode_subtitle \
6026 -Wl,--wrap,swr_convert \
6027 -Wl,--wrap,avresample_convert ||
6028 disable neon_clobber_test
6030 enabled xmm_clobber_test &&
6031 check_ldflags -Wl,--wrap,avcodec_open2 \
6032 -Wl,--wrap,avcodec_decode_audio4 \
6033 -Wl,--wrap,avcodec_decode_video2 \
6034 -Wl,--wrap,avcodec_decode_subtitle2 \
6035 -Wl,--wrap,avcodec_encode_audio2 \
6036 -Wl,--wrap,avcodec_encode_video2 \
6037 -Wl,--wrap,avcodec_encode_subtitle \
6038 -Wl,--wrap,swr_convert \
6039 -Wl,--wrap,avresample_convert \
6040 -Wl,--wrap,sws_scale ||
6041 disable xmm_clobber_test
6043 echo "X { local: *; };" > $TMPV
6044 if test_ldflags -Wl,--version-script,$TMPV; then
6045 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
6046 elif test_ldflags -Wl,-M,$TMPV; then
6047 append SHFLAGS '-Wl,-M,\$(SUBDIR)lib\$(NAME).ver-sol2'
6050 check_cc <<EOF && enable symver_asm_label
6051 void ff_foo(void) __asm__ ("av_foo@VERSION");
6052 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
6054 check_cc <<EOF && enable symver_gnu_asm
6055 __asm__(".symver ff_foo,av_foo@VERSION");
6056 void ff_foo(void) {}
6059 if [ -z "$optflags" ]; then
6060 if enabled small; then
6061 optflags=$cflags_size
6062 elif enabled optimizations; then
6063 optflags=$cflags_speed
6065 optflags=$cflags_noopt
6071 enabled lto && check_ldflags "$@"
6075 if enabled lto; then
6076 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
6078 check_ldflags -flto $cpuflags
6079 disable inline_asm_direct_symbol_refs
6082 check_optflags $optflags
6083 check_optflags -fno-math-errno
6084 check_optflags -fno-signed-zeros
6086 enabled ftrapv && check_cflags -ftrapv
6088 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
6093 if enabled icc; then
6094 # Just warnings, no remarks
6096 # -wd: Disable following warnings
6097 # 144, 167, 556: -Wno-pointer-sign
6098 # 188: enumerated type mixed with another type
6099 # 1292: attribute "foo" ignored
6100 # 1419: external declaration in primary source file
6101 # 10006: ignoring unknown option -fno-signed-zeros
6102 # 10148: ignoring unknown option -Wno-parentheses
6103 # 10156: ignoring option '-W'; no argument required
6104 # 13200: No EMMS instruction before call to function
6105 # 13203: No EMMS instruction before return from function
6106 check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156,13200,13203
6107 # 11030: Warning unknown option --as-needed
6108 # 10156: ignoring option '-export'; no argument required
6109 check_ldflags -wd10156,11030
6110 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
6111 enable ebp_available
6112 # The test above does not test linking
6113 enabled lto && disable symver_asm_label
6114 if enabled x86_32; then
6115 icc_version=$($cc -dumpversion)
6116 test ${icc_version%%.*} -ge 11 &&
6117 check_cflags -falign-stack=maintain-16-byte ||
6118 disable aligned_stack
6120 elif enabled ccc; then
6121 # disable some annoying warnings
6122 add_cflags -msg_disable bitnotint
6123 add_cflags -msg_disable mixfuncvoid
6124 add_cflags -msg_disable nonstandcast
6125 add_cflags -msg_disable unsupieee
6126 elif enabled gcc; then
6127 case $gcc_basever in
6128 4.9*) enabled x86 || check_optflags -fno-tree-vectorize ;;
6129 4.*) check_optflags -fno-tree-vectorize ;;
6130 *) enabled x86 || check_optflags -fno-tree-vectorize ;;
6132 check_cflags -Werror=format-security
6133 check_cflags -Werror=implicit-function-declaration
6134 check_cflags -Werror=missing-prototypes
6135 check_cflags -Werror=return-type
6136 check_cflags -Werror=vla
6137 check_cflags -Wformat
6138 check_cflags -fdiagnostics-color=auto
6139 enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized
6140 elif enabled llvm_gcc; then
6141 check_cflags -mllvm -stack-alignment=16
6142 elif enabled clang; then
6143 check_cflags -mllvm -stack-alignment=16
6144 check_cflags -Qunused-arguments
6145 check_cflags -Werror=implicit-function-declaration
6146 check_cflags -Werror=missing-prototypes
6147 check_cflags -Werror=return-type
6148 elif enabled cparser; then
6149 add_cflags -Wno-missing-variable-declarations
6150 add_cflags -Wno-empty-statement
6151 elif enabled armcc; then
6152 add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat
6153 add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir
6154 # 2523: use of inline assembly is deprecated
6155 add_cflags -W${armcc_opt},--diag_suppress=2523
6156 add_cflags -W${armcc_opt},--diag_suppress=1207
6157 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
6158 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
6159 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
6160 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
6161 elif enabled tms470; then
6162 add_cflags -pds=824 -pds=837
6164 elif enabled pathscale; then
6165 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
6166 elif enabled_any msvc icl; then
6167 enabled x86_32 && disable aligned_stack
6168 enabled_all x86_32 debug && add_cflags -Oy-
6169 enabled debug && add_ldflags -debug
6170 enable pragma_deprecated
6171 if enabled icl; then
6172 # -Qansi-alias is basically -fstrict-aliasing, but does not work
6173 # (correctly) on icl 13.x.
6174 check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&
6175 add_cflags -Qansi-alias
6176 # Some inline asm is not compilable in debug
6177 if enabled debug; then
6178 disable ebp_available
6179 disable ebx_available
6182 # msvcrt10 x64 incorrectly enables log2, only msvcrt12 (MSVC 2013) onwards actually has log2.
6183 check_cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION >= 12" || disable log2
6184 # The CRT headers contain __declspec(restrict) in a few places, but if redefining
6185 # restrict, this might break. MSVC 2010 and 2012 fail with __declspec(__restrict)
6186 # (as it ends up if the restrict redefine is done before including stdlib.h), while
6187 # MSVC 2013 and newer can handle it fine.
6188 # If this declspec fails, force including stdlib.h before the restrict redefinition
6189 # happens in config.h.
6190 if [ $_restrict != restrict ]; then
6191 check_cc <<EOF || add_cflags -FIstdlib.h
6192 __declspec($_restrict) void* foo(int);
6195 check_func strtoll || add_cflags -Dstrtoll=_strtoi64
6198 for pfx in "" host_; do
6199 varname=${pfx%_}cc_type
6200 eval "type=\$$varname"
6201 if [ $type = "msvc" ]; then
6202 check_${pfx}cc <<EOF || add_${pfx}cflags -Dinline=__inline
6203 static inline int foo(int a) { return a; }
6210 add_asflags -Qunused-arguments
6216 check_ldflags -Qunused-arguments
6222 enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'
6225 add_cppflags -Dmain=plan9_main
6229 enable frame_thread_encoder
6231 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
6233 check_deps $CONFIG_LIST \
6238 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"
6241 if test $target_os = "haiku"; then
6243 disable posix_memalign
6246 enabled_all dxva2 dxva2api_cobj CoTaskMemFree &&
6247 prepend ffmpeg_libs $($ldflags_filter "-lole32" "-luser32") &&
6250 ! enabled_any memalign posix_memalign aligned_malloc &&
6251 enabled simd_align_16 && enable memalign_hack
6254 # -> enable ${lib}_deps_${dep}
6255 # -> add $dep to ${lib}_deps only once
6259 enabled "${lib}_deps_${dep}" && return 0
6260 enable "${lib}_deps_${dep}"
6261 prepend "${lib}_deps" $dep
6264 # merge deps lib components
6265 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
6270 enabled $comp || continue
6271 eval "dep=\"\$${comp}_deps\""
6278 merge_deps libavfilter $FILTER_LIST
6280 map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST
6282 for thread in $THREADS_LIST; do
6283 if enabled $thread; then
6284 test -n "$thread_type" &&
6285 die "ERROR: Only one thread type must be selected." ||
6286 thread_type="$thread"
6290 enabled zlib && add_cppflags -DZLIB_CONST
6292 # conditional library dependencies, in linking order
6293 enabled afftfilt_filter && prepend avfilter_deps "avcodec"
6294 enabled amovie_filter && prepend avfilter_deps "avformat avcodec"
6295 enabled aresample_filter && prepend avfilter_deps "swresample"
6296 enabled asyncts_filter && prepend avfilter_deps "avresample"
6297 enabled atempo_filter && prepend avfilter_deps "avcodec"
6298 enabled cover_rect_filter && prepend avfilter_deps "avformat avcodec"
6299 enabled ebur128_filter && enabled swresample && prepend avfilter_deps "swresample"
6300 enabled elbg_filter && prepend avfilter_deps "avcodec"
6301 enabled fftfilt_filter && prepend avfilter_deps "avcodec"
6302 enabled find_rect_filter && prepend avfilter_deps "avformat avcodec"
6303 enabled mcdeint_filter && prepend avfilter_deps "avcodec"
6304 enabled movie_filter && prepend avfilter_deps "avformat avcodec"
6305 enabled pan_filter && prepend avfilter_deps "swresample"
6306 enabled pp_filter && prepend avfilter_deps "postproc"
6307 enabled removelogo_filter && prepend avfilter_deps "avformat avcodec swscale"
6308 enabled resample_filter && prepend avfilter_deps "avresample"
6309 enabled sab_filter && prepend avfilter_deps "swscale"
6310 enabled scale_filter && prepend avfilter_deps "swscale"
6311 enabled scale2ref_filter && prepend avfilter_deps "swscale"
6312 enabled sofalizer_filter && prepend avfilter_deps "avcodec"
6313 enabled showcqt_filter && prepend avfilter_deps "avformat avcodec swscale"
6314 enabled showfreqs_filter && prepend avfilter_deps "avcodec"
6315 enabled showspectrum_filter && prepend avfilter_deps "avcodec"
6316 enabled smartblur_filter && prepend avfilter_deps "swscale"
6317 enabled spectrumsynth_filter && prepend avfilter_deps "avcodec"
6318 enabled subtitles_filter && prepend avfilter_deps "avformat avcodec"
6319 enabled uspp_filter && prepend avfilter_deps "avcodec"
6321 enabled lavfi_indev && prepend avdevice_deps "avfilter"
6323 enabled opus_decoder && prepend avcodec_deps "swresample"
6327 eval "deps=\$$lib_deps"
6328 append $lib_deps $(map 'eval echo \$${v}_deps' $deps)
6332 #we have to remove gpl from the deps here as some code assumes all lib deps are libs
6333 postproc_deps="$(filter_out 'gpl' $postproc_deps)"
6335 map 'expand_deps $v' $LIBRARY_LIST
6337 echo "install prefix $prefix"
6338 echo "source path $source_path"
6339 echo "C compiler $cc"
6340 echo "C library $libc_type"
6341 if test "$host_cc" != "$cc"; then
6342 echo "host C compiler $host_cc"
6343 echo "host C library $host_libc_type"
6345 echo "ARCH $arch ($cpu)"
6346 if test "$build_suffix" != ""; then
6347 echo "build suffix $build_suffix"
6349 if test "$progs_suffix" != ""; then
6350 echo "progs suffix $progs_suffix"
6352 if test "$extra_version" != ""; then
6353 echo "version string suffix $extra_version"
6355 echo "big-endian ${bigendian-no}"
6356 echo "runtime cpu detection ${runtime_cpudetect-no}"
6357 if enabled x86; then
6358 echo "${yasmexe} ${yasm-no}"
6359 echo "MMX enabled ${mmx-no}"
6360 echo "MMXEXT enabled ${mmxext-no}"
6361 echo "3DNow! enabled ${amd3dnow-no}"
6362 echo "3DNow! extended enabled ${amd3dnowext-no}"
6363 echo "SSE enabled ${sse-no}"
6364 echo "SSSE3 enabled ${ssse3-no}"
6365 echo "AESNI enabled ${aesni-no}"
6366 echo "AVX enabled ${avx-no}"
6367 echo "XOP enabled ${xop-no}"
6368 echo "FMA3 enabled ${fma3-no}"
6369 echo "FMA4 enabled ${fma4-no}"
6370 echo "i686 features enabled ${i686-no}"
6371 echo "CMOV is fast ${fast_cmov-no}"
6372 echo "EBX available ${ebx_available-no}"
6373 echo "EBP available ${ebp_available-no}"
6375 if enabled aarch64; then
6376 echo "NEON enabled ${neon-no}"
6377 echo "VFP enabled ${vfp-no}"
6379 if enabled arm; then
6380 echo "ARMv5TE enabled ${armv5te-no}"
6381 echo "ARMv6 enabled ${armv6-no}"
6382 echo "ARMv6T2 enabled ${armv6t2-no}"
6383 echo "VFP enabled ${vfp-no}"
6384 echo "NEON enabled ${neon-no}"
6385 echo "THUMB enabled ${thumb-no}"
6387 if enabled mips; then
6388 echo "MIPS FPU enabled ${mipsfpu-no}"
6389 echo "MIPS DSP R1 enabled ${mipsdsp-no}"
6390 echo "MIPS DSP R2 enabled ${mipsdspr2-no}"
6391 echo "MIPS MSA enabled ${msa-no}"
6392 echo "LOONGSON MMI enabled ${mmi-no}"
6394 if enabled ppc; then
6395 echo "AltiVec enabled ${altivec-no}"
6396 echo "VSX enabled ${vsx-no}"
6397 echo "POWER8 enabled ${power8-no}"
6398 echo "PPC 4xx optimizations ${ppc4xx-no}"
6399 echo "dcbzl available ${dcbzl-no}"
6401 echo "debug symbols ${debug-no}"
6402 echo "strip symbols ${stripping-no}"
6403 echo "optimize for size ${small-no}"
6404 echo "optimizations ${optimizations-no}"
6405 echo "static ${static-no}"
6406 echo "shared ${shared-no}"
6407 echo "postprocessing support ${postproc-no}"
6408 echo "new filter support ${avfilter-no}"
6409 echo "network support ${network-no}"
6410 echo "threading support ${thread_type-no}"
6411 echo "safe bitstream reader ${safe_bitstream_reader-no}"
6412 echo "SDL support ${sdl-no}"
6413 echo "opencl enabled ${opencl-no}"
6414 echo "JNI support ${jni-no}"
6415 echo "texi2html enabled ${texi2html-no}"
6416 echo "perl enabled ${perl-no}"
6417 echo "pod2man enabled ${pod2man-no}"
6418 echo "makeinfo enabled ${makeinfo-no}"
6419 echo "makeinfo supports HTML ${makeinfo_html-no}"
6420 test -n "$random_seed" &&
6421 echo "random seed ${random_seed}"
6424 echo "Enabled programs:"
6425 print_enabled '' $PROGRAM_LIST | print_in_columns
6428 echo "External libraries:"
6429 print_enabled '' $EXTERNAL_LIBRARY_LIST | print_in_columns
6433 print_enabled '' $LIBRARY_LIST | print_in_columns
6436 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
6437 echo "Enabled ${type}s:"
6438 eval list=\$$(toupper $type)_LIST
6439 print_enabled '_*' $list | print_in_columns
6443 echo "Enabled Hardware-accelerated codecs:"
6444 print_enabled '' $HW_CODECS_LIST | print_in_columns
6447 license="LGPL version 2.1 or later"
6448 if enabled nonfree; then
6449 license="nonfree and unredistributable"
6450 elif enabled gplv3; then
6451 license="GPL version 3 or later"
6452 elif enabled lgplv3; then
6453 license="LGPL version 3 or later"
6454 elif enabled gpl; then
6455 license="GPL version 2 or later"
6458 echo "License: $license"
6460 echo "Creating config.mak, config.h, and doc/config.texi..."
6462 test -e Makefile || echo "include $source_path/Makefile" > Makefile
6464 enabled stripping || strip="echo skipping strip"
6466 config_files="$TMPH config.mak doc/config.texi"
6468 cat > config.mak <<EOF
6469 # Automatically generated by configure - do not modify!
6470 ifndef FFMPEG_CONFIG_MAK
6472 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
6474 LIBDIR=\$(DESTDIR)$libdir
6475 SHLIBDIR=\$(DESTDIR)$shlibdir
6476 INCDIR=\$(DESTDIR)$incdir
6477 BINDIR=\$(DESTDIR)$bindir
6478 DATADIR=\$(DESTDIR)$datadir
6479 DOCDIR=\$(DESTDIR)$docdir
6480 MANDIR=\$(DESTDIR)$mandir
6481 PKGCONFIGDIR=\$(DESTDIR)$pkgconfigdir
6482 INSTALL_NAME_DIR=$install_name_dir
6483 SRC_PATH=$source_path
6484 SRC_LINK=$source_link
6485 ifndef MAIN_MAKEFILE
6486 SRC_PATH:=\$(SRC_PATH:.%=..%)
6490 INTRINSICS=$intrinsics
6497 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
6499 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
6512 OBJCFLAGS=$OBJCFLAGS
6532 LDEXEFLAGS=$LDEXEFLAGS
6533 LDLIBFLAGS=$LDLIBFLAGS
6534 SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
6535 ASMSTRIPFLAGS=$ASMSTRIPFLAGS
6536 YASMFLAGS=$YASMFLAGS
6537 BUILDSUF=$build_suffix
6538 PROGSSUF=$progs_suffix
6546 EXTRA_VERSION=$extra_version
6549 CCDEP_FLAGS=$CCDEP_FLAGS
6551 ASDEP_FLAGS=$ASDEP_FLAGS
6552 CC_DEPFLAGS=$CC_DEPFLAGS
6553 AS_DEPFLAGS=$AS_DEPFLAGS
6556 HOSTCFLAGS=$host_cflags
6557 HOSTCPPFLAGS=$host_cppflags
6558 HOSTEXESUF=$HOSTEXESUF
6559 HOSTLDFLAGS=$host_ldflags
6562 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
6563 HOSTCCDEP=$HOSTCCDEP
6564 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
6565 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
6569 TARGET_EXEC=$target_exec $target_exec_args
6570 TARGET_PATH=$target_path
6571 TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}
6572 CFLAGS-ffplay=$sdl_cflags
6573 ZLIB=$($ldflags_filter -lz)
6574 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
6575 EXTRALIBS=$extralibs
6576 COMPAT_OBJS=$compat_objs
6579 LIBTARGET=${LIBTARGET}
6580 SLIBNAME=${SLIBNAME}
6581 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
6582 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
6583 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
6584 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
6585 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
6586 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
6587 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
6588 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
6589 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
6590 NOREDZONE_FLAGS=$noredzone_flags
6595 name=$(toupper $lcname)
6596 file=$source_path/$lcname/version.h
6597 eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")
6598 enabled raise_major && eval ${name}_VERSION_MAJOR=$((${name}_VERSION_MAJOR+100))
6599 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
6600 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
6601 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
6602 eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak
6605 map 'get_version $v' $LIBRARY_LIST
6607 map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> config.mak' $LIBRARY_LIST
6609 print_program_libs(){
6610 eval "program_libs=\$${1}_libs"
6611 eval echo "LIBS-${1}=${program_libs}" >> config.mak
6614 map 'print_program_libs $v' $PROGRAM_LIST
6617 /* Automatically generated by configure - do not modify! */
6618 #ifndef FFMPEG_CONFIG_H
6619 #define FFMPEG_CONFIG_H
6620 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
6621 #define FFMPEG_LICENSE "$(c_escape $license)"
6622 #define CONFIG_THIS_YEAR 2016
6623 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
6624 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
6625 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
6626 #define av_restrict $_restrict
6627 #define EXTERN_PREFIX "${extern_prefix}"
6628 #define EXTERN_ASM ${extern_prefix}
6629 #define BUILDSUF "$build_suffix"
6630 #define SLIBSUF "$SLIBSUF"
6631 #define HAVE_MMX2 HAVE_MMXEXT
6632 #define SWS_MAX_FILTER_SIZE $sws_max_filter_size
6635 test -n "$assert_level" &&
6636 echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
6638 test -n "$malloc_prefix" &&
6639 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
6641 if enabled yasm; then
6642 append config_files $TMPASM
6646 enabled getenv || echo "#define getenv(x) NULL" >> $TMPH
6652 echo "@c auto-generated by configure - do not modify! " > doc/config.texi
6654 print_config ARCH_ "$config_files" $ARCH_LIST
6655 print_config HAVE_ "$config_files" $HAVE_LIST
6656 print_config CONFIG_ "$config_files" $CONFIG_LIST \
6660 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
6661 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
6663 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
6664 cp_if_changed $TMPH config.h
6667 enabled yasm && cp_if_changed $TMPASM config.asm
6670 /* Generated by ffconf */
6671 #ifndef AVUTIL_AVCONFIG_H
6672 #define AVUTIL_AVCONFIG_H
6675 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
6677 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
6679 cp_if_changed $TMPH libavutil/avconfig.h
6681 if test -n "$WARNINGS"; then
6682 printf "\n%s%s$WARNINGS%s" "$warn_color" "$bold_color" "$reset_color"
6683 enabled fatal_warnings && exit 1
6686 # generate the lists of enabled components
6687 print_enabled_components(){
6692 echo "static const $struct_name *$name[] = {" > $TMPH
6694 enabled $c && printf " &ff_%s,\n" $c >> $TMPH
6696 echo " NULL };" >> $TMPH
6697 cp_if_changed $TMPH $file
6700 print_enabled_components libavcodec/bsf_list.c AVBitStreamFilter bitstream_filters $BSF_LIST
6701 print_enabled_components libavformat/protocol_list.c URLProtocol url_protocols $PROTOCOL_LIST
6703 # build pkg-config files
6706 eval printf "\"lib${1}${build_suffix} >= \$LIB$(toupper ${1})_VERSION, \""
6709 pkgconfig_generate(){
6711 shortname=${name#lib}${build_suffix}
6715 requires=$(map 'lib_version $v' $(eval echo \$${name#lib}_deps))
6716 requires=${requires%, }
6717 enabled ${name#lib} || return 0
6719 cat <<EOF > $name/$name${build_suffix}.pc
6721 exec_prefix=\${prefix}
6726 Description: $comment
6728 Requires: $(enabled shared || echo $requires)
6729 Requires.private: $(enabled shared && echo $requires)
6731 Libs: -L\${libdir} $(enabled rpath && echo "-Wl,-rpath,\${libdir}") -l${shortname} $(enabled shared || echo $libs)
6732 Libs.private: $(enabled shared && echo $libs)
6733 Cflags: -I\${includedir}
6736 mkdir -p doc/examples/pc-uninstalled
6737 includedir=${source_path}
6738 [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."
6739 cat <<EOF > doc/examples/pc-uninstalled/$name.pc
6742 libdir=\${pcfiledir}/../../../$name
6743 includedir=${includedir}
6746 Description: $comment
6750 Libs: -L\${libdir} -Wl,-rpath,\${libdir} -l${shortname} $(enabled shared || echo $libs)
6751 Cflags: -I\${includedir}
6755 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBRT $LIBM"
6756 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs"
6757 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs"
6758 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs"
6759 pkgconfig_generate libavfilter "FFmpeg audio/video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
6760 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" ""
6761 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$LIBM"
6762 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM"
6763 pkgconfig_generate libswresample "FFmpeg audio resampling library" "$LIBSWRESAMPLE_VERSION" "$LIBM $LIBSOXR"