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-raise-major increase major version numbers in sonames [no]
114 --disable-programs do not build command line programs
115 --disable-ffmpeg disable ffmpeg build
116 --disable-ffplay disable ffplay build
117 --disable-ffprobe disable ffprobe build
118 --disable-ffserver disable ffserver build
120 Documentation options:
121 --disable-doc do not build documentation
122 --disable-htmlpages do not build HTML documentation pages
123 --disable-manpages do not build man documentation pages
124 --disable-podpages do not build POD documentation pages
125 --disable-txtpages do not build text documentation pages
128 --disable-avdevice disable libavdevice build
129 --disable-avcodec disable libavcodec build
130 --disable-avformat disable libavformat build
131 --disable-swresample disable libswresample build
132 --disable-swscale disable libswscale build
133 --disable-postproc disable libpostproc build
134 --disable-avfilter disable libavfilter build
135 --enable-avresample enable libavresample build [no]
136 --disable-pthreads disable pthreads [autodetect]
137 --disable-w32threads disable Win32 threads [autodetect]
138 --disable-os2threads disable OS/2 threads [autodetect]
139 --disable-network disable network support [no]
140 --disable-dct disable DCT code
141 --disable-dwt disable DWT code
142 --disable-error-resilience disable error resilience code
143 --disable-lsp disable LSP code
144 --disable-lzo disable LZO decoder code
145 --disable-mdct disable MDCT code
146 --disable-rdft disable RDFT code
147 --disable-fft disable FFT code
148 --disable-faan disable floating point AAN (I)DCT code
149 --disable-pixelutils disable pixel utils in libavutil
151 Individual component options:
152 --disable-everything disable all components listed below
153 --disable-encoder=NAME disable encoder NAME
154 --enable-encoder=NAME enable encoder NAME
155 --disable-encoders disable all encoders
156 --disable-decoder=NAME disable decoder NAME
157 --enable-decoder=NAME enable decoder NAME
158 --disable-decoders disable all decoders
159 --disable-hwaccel=NAME disable hwaccel NAME
160 --enable-hwaccel=NAME enable hwaccel NAME
161 --disable-hwaccels disable all hwaccels
162 --disable-muxer=NAME disable muxer NAME
163 --enable-muxer=NAME enable muxer NAME
164 --disable-muxers disable all muxers
165 --disable-demuxer=NAME disable demuxer NAME
166 --enable-demuxer=NAME enable demuxer NAME
167 --disable-demuxers disable all demuxers
168 --enable-parser=NAME enable parser NAME
169 --disable-parser=NAME disable parser NAME
170 --disable-parsers disable all parsers
171 --enable-bsf=NAME enable bitstream filter NAME
172 --disable-bsf=NAME disable bitstream filter NAME
173 --disable-bsfs disable all bitstream filters
174 --enable-protocol=NAME enable protocol NAME
175 --disable-protocol=NAME disable protocol NAME
176 --disable-protocols disable all protocols
177 --enable-indev=NAME enable input device NAME
178 --disable-indev=NAME disable input device NAME
179 --disable-indevs disable input devices
180 --enable-outdev=NAME enable output device NAME
181 --disable-outdev=NAME disable output device NAME
182 --disable-outdevs disable output devices
183 --disable-devices disable all devices
184 --enable-filter=NAME enable filter NAME
185 --disable-filter=NAME disable filter NAME
186 --disable-filters disable all filters
188 External library support:
190 Using any of the following switches will allow FFmpeg to link to the
191 corresponding external library. All the components depending on that library
192 will become enabled, if all their other dependencies are met and they are not
193 explicitly disabled. E.g. --enable-libwavpack will enable linking to
194 libwavpack and allow the libwavpack encoder to be built, unless it is
195 specifically disabled with --disable-encoder=libwavpack.
197 Note that only the system libraries are auto-detected. All the other external
198 libraries must be explicitly enabled.
200 Also note that the following help text describes the purpose of the libraries
201 themselves, not all their features will necessarily be usable by FFmpeg.
203 --enable-avisynth enable reading of AviSynth script files [no]
204 --disable-bzlib disable bzlib [autodetect]
205 --enable-chromaprint enable audio fingerprinting with chromaprint [no]
206 --enable-frei0r enable frei0r video filtering [no]
207 --enable-gcrypt enable gcrypt, needed for rtmp(t)e support
208 if openssl, librtmp or gmp is not used [no]
209 --enable-gmp enable gmp, needed for rtmp(t)e support
210 if openssl or librtmp is not used [no]
211 --enable-gnutls enable gnutls, needed for https support
212 if openssl is not used [no]
213 --disable-iconv disable iconv [autodetect]
214 --enable-jni enable JNI support [no]
215 --enable-ladspa enable LADSPA audio filtering [no]
216 --enable-libass enable libass subtitles rendering,
217 needed for subtitles and ass filter [no]
218 --enable-libbluray enable BluRay reading using libbluray [no]
219 --enable-libbs2b enable bs2b DSP library [no]
220 --enable-libcaca enable textual display using libcaca [no]
221 --enable-libcelt enable CELT decoding via libcelt [no]
222 --enable-libcdio enable audio CD grabbing with libcdio [no]
223 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
225 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
226 --enable-libflite enable flite (voice synthesis) support via libflite [no]
227 --enable-libfontconfig enable libfontconfig, useful for drawtext filter [no]
228 --enable-libfreetype enable libfreetype, needed for drawtext filter [no]
229 --enable-libfribidi enable libfribidi, improves drawtext filter [no]
230 --enable-libgme enable Game Music Emu via libgme [no]
231 --enable-libgsm enable GSM de/encoding via libgsm [no]
232 --enable-libiec61883 enable iec61883 via libiec61883 [no]
233 --enable-libilbc enable iLBC de/encoding via libilbc [no]
234 --enable-libkvazaar enable HEVC encoding via libkvazaar [no]
235 --enable-libmodplug enable ModPlug via libmodplug [no]
236 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
237 --enable-libnut enable NUT (de)muxing via libnut,
238 native (de)muxer exists [no]
239 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
240 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
241 --enable-libopencv enable video filtering via libopencv [no]
242 --enable-libopenh264 enable H.264 encoding via OpenH264 [no]
243 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
244 --enable-libopenmpt enable decoding tracked files via libopenmpt [no]
245 --enable-libopus enable Opus de/encoding via libopus [no]
246 --enable-libpulse enable Pulseaudio input via libpulse [no]
247 --enable-librubberband enable rubberband needed for rubberband filter [no]
248 --enable-librtmp enable RTMP[E] support via librtmp [no]
249 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
250 --enable-libshine enable fixed-point MP3 encoding via libshine [no]
251 --enable-libsmbclient enable Samba protocol via libsmbclient [no]
252 --enable-libsnappy enable Snappy compression, needed for hap encoding [no]
253 --enable-libsoxr enable Include libsoxr resampling [no]
254 --enable-libspeex enable Speex de/encoding via libspeex [no]
255 --enable-libssh enable SFTP protocol via libssh [no]
256 --enable-libtesseract enable Tesseract, needed for ocr filter [no]
257 --enable-libtheora enable Theora encoding via libtheora [no]
258 --enable-libtwolame enable MP2 encoding via libtwolame [no]
259 --enable-libv4l2 enable libv4l2/v4l-utils [no]
260 --enable-libvidstab enable video stabilization using vid.stab [no]
261 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
262 --enable-libvorbis enable Vorbis en/decoding via libvorbis,
263 native implementation exists [no]
264 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
265 --enable-libwavpack enable wavpack encoding via libwavpack [no]
266 --enable-libwebp enable WebP encoding via libwebp [no]
267 --enable-libx264 enable H.264 encoding via x264 [no]
268 --enable-libx265 enable HEVC encoding via x265 [no]
269 --enable-libxavs enable AVS encoding via xavs [no]
270 --enable-libxcb enable X11 grabbing using XCB [autodetect]
271 --enable-libxcb-shm enable X11 grabbing shm communication [autodetect]
272 --enable-libxcb-xfixes enable X11 grabbing mouse rendering [autodetect]
273 --enable-libxcb-shape enable X11 grabbing shape rendering [autodetect]
274 --enable-libxvid enable Xvid encoding via xvidcore,
275 native MPEG-4/Xvid encoder exists [no]
276 --enable-libzimg enable z.lib, needed for zscale filter [no]
277 --enable-libzmq enable message passing via libzmq [no]
278 --enable-libzvbi enable teletext support via libzvbi [no]
279 --disable-lzma disable lzma [autodetect]
280 --enable-decklink enable Blackmagic DeckLink I/O support [no]
281 --enable-mediacodec enable Android MediaCodec support [no]
282 --enable-netcdf enable NetCDF, needed for sofalizer filter [no]
283 --enable-openal enable OpenAL 1.1 capture support [no]
284 --enable-opencl enable OpenCL code
285 --enable-opengl enable OpenGL rendering [no]
286 --enable-openssl enable openssl, needed for https support
287 if gnutls is not used [no]
288 --disable-schannel disable SChannel SSP, needed for TLS support on
289 Windows if openssl and gnutls are not used [autodetect]
290 --disable-sdl2 disable sdl2 [autodetect]
291 --disable-securetransport disable Secure Transport, needed for TLS support
292 on OSX if openssl and gnutls are not used [autodetect]
293 --disable-xlib disable xlib [autodetect]
294 --disable-zlib disable zlib [autodetect]
296 The following libraries provide various hardware acceleration features:
297 --disable-audiotoolbox disable Apple AudioToolbox code [autodetect]
298 --disable-cuda disable dynamically linked Nvidia CUDA code [autodetect]
299 --disable-cuvid disable Nvidia CUVID support [autodetect]
300 --disable-d3d11va disable Microsoft Direct3D 11 video acceleration code [autodetect]
301 --disable-dxva2 disable Microsoft DirectX 9 video acceleration code [autodetect]
302 --enable-libmfx enable Intel MediaSDK (AKA Quick Sync Video) code via libmfx [no]
303 --enable-libnpp enable Nvidia Performance Primitives-based code [no]
304 --enable-mmal enable Broadcom Multi-Media Abstraction Layer (Raspberry Pi) via MMAL [no]
305 --disable-nvenc disable Nvidia video encoding code [autodetect]
306 --enable-omx enable OpenMAX IL code [no]
307 --enable-omx-rpi enable OpenMAX IL code for Raspberry Pi [no]
308 --disable-vaapi disable Video Acceleration API (mainly Unix/Intel) code [autodetect]
309 --disable-vda disable Apple Video Decode Acceleration code [autodetect]
310 --disable-vdpau disable Nvidia Video Decode and Presentation API for Unix code [autodetect]
311 --disable-videotoolbox disable VideoToolbox code [autodetect]
314 --arch=ARCH select architecture [$arch]
315 --cpu=CPU select the minimum required CPU (affects
316 instruction selection, may crash on older CPUs)
317 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
318 --progs-suffix=SUFFIX program name suffix []
319 --enable-cross-compile assume a cross-compiler is used
320 --sysroot=PATH root of cross-build tree
321 --sysinclude=PATH location of cross-build system headers
322 --target-os=OS compiler targets OS [$target_os]
323 --target-exec=CMD command to run executables on target
324 --target-path=DIR path to view of build directory on target
325 --target-samples=DIR path to samples directory on target
326 --tempprefix=PATH force fixed dir/prefix instead of mktemp for checks
327 --toolchain=NAME set tool defaults according to NAME
328 --nm=NM use nm tool NM [$nm_default]
329 --ar=AR use archive tool AR [$ar_default]
330 --as=AS use assembler AS [$as_default]
331 --ln_s=LN_S use symbolic link tool LN_S [$ln_s_default]
332 --strip=STRIP use strip tool STRIP [$strip_default]
333 --windres=WINDRES use windows resource compiler WINDRES [$windres_default]
334 --yasmexe=EXE use yasm-compatible assembler EXE [$yasmexe_default]
335 --cc=CC use C compiler CC [$cc_default]
336 --cxx=CXX use C compiler CXX [$cxx_default]
337 --objcc=OCC use ObjC compiler OCC [$cc_default]
338 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
339 --ld=LD use linker LD [$ld_default]
340 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
341 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
342 --ranlib=RANLIB use ranlib RANLIB [$ranlib_default]
343 --doxygen=DOXYGEN use DOXYGEN to generate API doc [$doxygen_default]
344 --host-cc=HOSTCC use host C compiler HOSTCC
345 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
346 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
347 --host-ld=HOSTLD use host linker HOSTLD
348 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
349 --host-libs=HLIBS use libs HLIBS when linking for host
350 --host-os=OS compiler host OS [$target_os]
351 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
352 --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
353 --extra-objcflags=FLAGS add FLAGS to OBJCFLAGS [$CFLAGS]
354 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
355 --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
356 --extra-ldlibflags=ELDFLAGS add ELDFLAGS to LDLIBFLAGS [$LDLIBFLAGS]
357 --extra-libs=ELIBS add ELIBS [$ELIBS]
358 --extra-version=STRING version string suffix []
359 --optflags=OPTFLAGS override optimization-related compiler flags
360 --build-suffix=SUFFIX library name suffix []
361 --enable-pic build position-independent code
362 --enable-thumb compile for Thumb instruction set
363 --enable-lto use link-time optimization
364 --env="ENV=override" override the environment variables
366 Advanced options (experts only):
367 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
368 --custom-allocator=NAME use a supported custom allocator
369 --disable-symver disable symbol versioning
370 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
371 --disable-safe-bitstream-reader
372 disable buffer boundary checking in bitreaders
373 (faster, but may crash)
374 --sws-max-filter-size=N the max filter size swscale uses [$sws_max_filter_size_default]
376 Optimization options (experts only):
377 --disable-asm disable all assembly optimizations
378 --disable-altivec disable AltiVec optimizations
379 --disable-vsx disable VSX optimizations
380 --disable-power8 disable POWER8 optimizations
381 --disable-amd3dnow disable 3DNow! optimizations
382 --disable-amd3dnowext disable 3DNow! extended optimizations
383 --disable-mmx disable MMX optimizations
384 --disable-mmxext disable MMXEXT optimizations
385 --disable-sse disable SSE optimizations
386 --disable-sse2 disable SSE2 optimizations
387 --disable-sse3 disable SSE3 optimizations
388 --disable-ssse3 disable SSSE3 optimizations
389 --disable-sse4 disable SSE4 optimizations
390 --disable-sse42 disable SSE4.2 optimizations
391 --disable-avx disable AVX optimizations
392 --disable-xop disable XOP optimizations
393 --disable-fma3 disable FMA3 optimizations
394 --disable-fma4 disable FMA4 optimizations
395 --disable-avx2 disable AVX2 optimizations
396 --disable-aesni disable AESNI optimizations
397 --disable-armv5te disable armv5te optimizations
398 --disable-armv6 disable armv6 optimizations
399 --disable-armv6t2 disable armv6t2 optimizations
400 --disable-vfp disable VFP optimizations
401 --disable-neon disable NEON optimizations
402 --disable-inline-asm disable use of inline assembly
403 --disable-yasm disable use of nasm/yasm assembly
404 --disable-mipsdsp disable MIPS DSP ASE R1 optimizations
405 --disable-mipsdspr2 disable MIPS DSP ASE R2 optimizations
406 --disable-msa disable MSA optimizations
407 --disable-mipsfpu disable floating point MIPS optimizations
408 --disable-mmi disable Loongson SIMD optimizations
409 --disable-fast-unaligned consider unaligned accesses slow
411 Developer options (useful when working on FFmpeg itself):
412 --disable-debug disable debugging symbols
413 --enable-debug=LEVEL set the debug level [$debuglevel]
414 --disable-optimizations disable compiler optimizations
415 --enable-extra-warnings enable more compiler warnings
416 --disable-stripping disable stripping of executables and shared libraries
417 --assert-level=level 0(default), 1 or 2, amount of assertion testing,
418 2 causes a slowdown at runtime.
419 --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
420 --valgrind=VALGRIND run "make fate" tests through valgrind to detect memory
421 leaks and errors, using the specified valgrind binary.
422 Cannot be combined with --target-exec
423 --enable-ftrapv Trap arithmetic overflows
424 --samples=PATH location of test samples for FATE, if not set use
425 \$FATE_SAMPLES at make invocation time.
426 --enable-neon-clobber-test check NEON registers for clobbering (should be
427 used only for debugging purposes)
428 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
429 should be used only for debugging purposes)
430 --enable-random randomly enable/disable components
432 --enable-random=LIST randomly enable/disable specific components or
433 --disable-random=LIST component groups. LIST is a comma-separated list
434 of NAME[:PROB] entries where NAME is a component
435 (group) and PROB the probability associated with
437 --random-seed=VALUE seed value for --enable/disable-random
438 --disable-valgrind-backtrace do not print a backtrace under Valgrind
439 (only applies to --disable-optimizations builds)
441 NOTE: Object files are built at the place where configure is launched.
447 if test -t 1 && which tput >/dev/null 2>&1; then
448 ncolors=$(tput colors)
449 if test -n "$ncolors" && test $ncolors -ge 8; then
450 bold_color=$(tput bold)
451 warn_color=$(tput setaf 3)
452 error_color=$(tput setaf 1)
453 reset_color=$(tput sgr0)
455 # 72 used instead of 80 since that's the default of pr
461 echo "$@" >> $logfile
466 pr -n -t $1 >> $logfile
472 WARNINGS="${WARNINGS}WARNING: $*\n"
477 echo "$error_color$bold_color$@$reset_color"
480 If you think configure made a mistake, make sure you are using the latest
481 version from Git. If the latest version fails, report the problem to the
482 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
484 if disabled logging; then
486 Rerun configure with logging enabled (do not use --disable-logging), and
487 include the log this produces with your report.
491 Include the log file "$logfile" produced by configure as this will help
498 # Avoid locale weirdness, besides we really just want to translate ASCII.
500 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
504 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
508 echo "$*" | sed 's/["\\]/\\\0/g'
512 v=$(echo "$1" | sed "s/'/'\\\\''/g")
513 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
518 echo "$@" | sed 's/^ *//;s/[[:space:]][[:space:]]*/ /g;s/ *$//'
525 eval "case $v in $pat) echo $v ;; esac"
533 eval "case $v in $pat) ;; *) echo $v ;; esac"
540 for v; do eval $m; done
546 for v; do echo ${v}${suffix}; done
561 eval : \${$var:=$value}
566 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
572 eval $(sanitize_var_name "$var")='$*'
576 eval echo \$$(sanitize_var_name "$1")
581 eval level=\${${pvar}_level:=0}
582 eval ${pvar}_${level}="\$$pvar"
583 eval ${pvar}_level=$(($level+1))
589 eval level=\${${pvar}_level:-0}
590 test $level = 0 && continue
591 eval level=$(($level-1))
592 eval $pvar="\${${pvar}_${level}}"
593 eval ${pvar}_level=$level
594 eval unset ${pvar}_${level}
600 eval ${var}_requested=yes
623 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
629 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
635 enabled $var && continue
636 eval sel="\$${var}_select"
637 eval sgs="\$${var}_suggest"
641 enable_deep_weak $sgs
653 disabled $var && continue
662 test "${1#!}" = "$1" && op='=' || op=!=
663 eval test "x\$${1#!}_requested" $op "xyes"
667 test "${1#!}" = "$1" && op='=' || op=!=
668 eval test "x\$${1#!}" $op "xyes"
672 test "${1#!}" = "$1" && op='=' || op=!=
673 eval test "x\$${1#!}" $op "xno"
678 enabled $opt || return 1
684 disabled $opt || return 1
690 enabled $opt && return 0
696 disabled $opt && return 0
703 eval : \${$opt:=\$${opt}_default}
711 [ $var = $value ] && return 0
719 enabled ${cfg}_checking && die "Circular dependency for $cfg."
720 disabled ${cfg}_checking && continue
721 enable ${cfg}_checking
724 eval dep_all="\$${cfg}_deps"
725 eval dep_any="\$${cfg}_deps_any"
726 eval dep_sel="\$${cfg}_select"
727 eval dep_sgs="\$${cfg}_suggest"
728 eval dep_ifa="\$${cfg}_if"
729 eval dep_ifn="\$${cfg}_if_any"
731 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
732 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
733 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
735 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
736 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
737 enabled_all $dep_all || { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but not all dependencies are satisfied: $dep_all"; }
738 enabled_any $dep_any || { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but not any dependency is satisfied: $dep_any"; }
739 disabled_any $dep_sel && { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but some selected dependency is unsatisfied: $dep_sel"; }
741 if enabled $cfg; then
743 enable_deep_weak $dep_sgs
746 disable ${cfg}_checking
755 for cfg in $allopts; do
756 enabled $cfg || continue
757 eval dep_extralibs="\$${cfg}_extralibs"
758 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
766 map 'eval echo "$v \${$v:-no}"' "$@" |
767 awk "BEGIN { split(\"$files\", files) }
769 c = \"$pfx\" toupper(\$1);
775 if (file ~ /\\.h\$/) {
776 printf(\"#define %s %d\\n\", c, v) >>file;
777 } else if (file ~ /\\.asm\$/) {
778 printf(\"%%define %s %d\\n\", c, v) >>file;
779 } else if (file ~ /\\.mak\$/) {
780 n = -v ? \"\" : \"!\";
781 printf(\"%s%s=yes\\n\", n, c) >>file;
782 } else if (file ~ /\\.texi\$/) {
783 pre = -v ? \"\" : \"@c \";
786 gsub(/_/, \"-\", c2);
787 printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
797 enabled $v && printf "%s\n" ${v%$suf}
804 eval "$var=\"\$$var $*\""
810 eval "$var=\"$* \$$var\""
816 for tok in $(eval echo \$$var); do
817 uniq_list="$(filter_out $tok $uniq_list) $tok"
819 eval "$var=\"${uniq_list}\""
827 append CFLAGS $($cflags_filter "$@")
831 append CXXFLAGS $($cflags_filter "$@")
835 append ASFLAGS $($asflags_filter "$@")
839 append OBJCFLAGS $($objcflags_filter "$@")
843 append LDFLAGS $($ldflags_filter "$@")
847 append LDEXEFLAGS $($ldflags_filter "$@")
851 append LDLIBFLAGS $($ldflags_filter "$@")
855 append ASMSTRIPFLAGS "$@"
859 prepend extralibs $($ldflags_filter "$@")
863 append host_cppflags "$@"
867 append host_cflags $($host_cflags_filter "$@")
871 append host_ldflags $($host_ldflags_filter "$@")
875 append compat_objs $1
877 map 'add_cppflags -D$v' "$@"
882 "$@" >> $logfile 2>&1
887 stat "$1" >> $logfile 2>&1
891 eval printf '%s\\n' $CC_O
895 eval printf '%s\\n' $CC_E
902 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
909 check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
916 check_cmd $objcc -Werror=missing-prototypes $CPPFLAGS $CFLAGS $OBJCFLAGS "$@" $OBJCC_C $(cc_o $TMPO) $TMPM
923 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
927 eval printf '%s\\n' $AS_O
934 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
938 log check_inline_asm "$@"
943 check_cc "$@" <<EOF && enable $name
944 void foo(void){ __asm__ volatile($code); }
948 check_inline_asm_flags(){
949 log check_inline_asm_flags "$@"
954 while [ "$1" != "" ]; do
960 void foo(void){ __asm__ volatile($code); }
963 check_cmd $cc $CPPFLAGS $CFLAGS $flags "$@" $CC_C $(cc_o $TMPO) $TMPC &&
964 enable $name && add_cflags $flags && add_asflags $flags && add_ldflags $flags
969 check_inline_asm ${1}_inline "\"$2\""
970 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
978 check_cmd $yasmexe $YASMFLAGS -Werror "$@" -o $TMPO $TMPS
982 eval printf '%s\\n' $LD_O
989 flags=$(filter_out '-l*|*.so' $@)
990 libs=$(filter '-l*|*.so' $@)
991 check_$type $($cflags_filter $flags) || return
992 flags=$($ldflags_filter $flags)
993 libs=$($ldflags_filter $libs)
994 check_cmd $ld $LDFLAGS $LDEXEFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
999 test "${hdr%.h}" = "${hdr}" &&
1000 echo "#include $hdr" ||
1001 echo "#include <$hdr>"
1011 for hdr in $headers; do
1014 echo "int main(void) { $code; return 0; }"
1015 } | check_$check "$@"
1019 log check_cppflags "$@"
1020 check_cc "$@" <<EOF && append CPPFLAGS "$@"
1026 log test_cflags "$@"
1027 set -- $($cflags_filter "$@")
1034 log check_cflags "$@"
1035 test_cflags "$@" && add_cflags "$@"
1039 log check_cxxflags "$@"
1040 set -- $($cflags_filter "$@")
1041 check_cxx "$@" <<EOF && append CXXFLAGS "$@"
1047 log test_cflags "$@"
1048 set -- $($cflags_filter "$@")
1049 check_objcc "$@" <<EOF
1055 log check_cflags "$@"
1056 test_objcflags "$@" && add_objcflags "$@"
1060 log test_ldflags "$@"
1061 check_ld "cc" "$@" <<EOF
1062 int main(void){ return 0; }
1067 log check_ldflags "$@"
1068 test_ldflags "$@" && add_ldflags "$@"
1072 log test_stripflags "$@"
1073 # call check_cc to get a fresh TMPO
1075 int main(void) { return 0; }
1077 check_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO
1081 log check_stripflags "$@"
1082 test_stripflags "$@" && add_stripflags "$@"
1086 log check_header "$@"
1089 disable_safe $header
1090 check_cpp "$@" <<EOF && enable_safe $header
1096 check_header_objcc(){
1097 log check_header_objcc "$@"
1101 disable_safe $header
1103 echo "#include <$header>"
1104 echo "int main(void) { return 0; }"
1105 } | check_objcc && check_stat "$TMPO" && enable_safe $headers
1113 check_ld "cc" "$@" <<EOF && enable $func
1115 int main(void){ $func(); }
1119 check_complexfunc(){
1120 log check_complexfunc "$@"
1124 test $narg = 2 && args="f, g" || args="f * I"
1126 check_ld "cc" "$@" <<EOF && enable $func
1127 #include <complex.h>
1129 float foo(complex float f, complex float g) { return $func($args); }
1130 int main(void){ return (int) foo; }
1135 log check_mathfunc "$@"
1139 test $narg = 2 && args="f, g" || args="f"
1141 check_ld "cc" "$@" <<EOF && enable $func
1143 float foo(float f, float g) { return $func($args); }
1144 int main(void){ return (int) foo; }
1148 check_func_headers(){
1149 log check_func_headers "$@"
1154 for hdr in $headers; do
1157 echo "#include <stdint.h>"
1158 for func in $funcs; do
1159 echo "long check_$func(void) { return (long) $func; }"
1161 echo "int main(void) { int ret = 0;"
1162 # LTO could optimize out the test functions without this
1163 for func in $funcs; do
1164 echo " ret |= ((intptr_t)check_$func) & 0xFFFF;"
1166 echo "return ret; }"
1167 } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
1170 check_class_headers_cpp(){
1171 log check_class_headers_cpp "$@"
1176 for hdr in $headers; do
1177 echo "#include <$hdr>"
1179 echo "int main(void) { "
1181 for class in $classes; do
1182 echo "$class obj$i;"
1186 } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
1189 check_cpp_condition(){
1190 log check_cpp_condition "$@"
1194 check_cpp "$@" <<EOF
1197 #error "unsatisfied condition: $condition"
1203 log test_cflags_cc "$@"
1208 set -- $($cflags_filter "$flags")
1212 #error "unsatisfied condition: $condition"
1222 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
1226 log check_lib_cpp "$@"
1230 check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
1234 log check_pkg_config "$@"
1240 check_cmd $pkg_config --exists --print-errors $pkgandversion || return
1241 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1242 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1243 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1244 set_safe "${pkg}_cflags" $pkg_cflags &&
1245 set_safe "${pkg}_libs" $pkg_libs
1249 check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1255 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1256 # are safe but may not be available everywhere. Thus we use
1257 # raise(SIGTERM) instead. The check is run in a subshell so we
1258 # can redirect the "Terminated" message from the shell. SIGBUS
1259 # is not defined by standard C so it is used conditionally.
1261 (check_exec "$@") >> $logfile 2>&1 <<EOF
1263 static void sighandler(int sig){
1269 int (*func_ptr)(void) = foo;
1271 signal(SIGILL, sighandler);
1272 signal(SIGFPE, sighandler);
1273 signal(SIGSEGV, sighandler);
1275 signal(SIGBUS, sighandler);
1287 disable_safe "$type"
1288 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1292 log check_struct "$@"
1297 disable_safe "${struct}_${member}"
1298 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1299 enable_safe "${struct}_${member}"
1303 log check_builtin "$@"
1309 check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1312 check_compile_assert(){
1313 log check_compile_assert "$@"
1319 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1327 check_lib "$headers" $func "$@" || die "ERROR: $name not found"
1335 check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1340 check_pkg_config "$@" || return 1
1341 add_cflags $(get_safe "${pkg}_cflags")
1342 add_extralibs $(get_safe "${pkg}_libs")
1345 require_pkg_config(){
1346 use_pkg_config "$@" || die "ERROR: $pkg not found using pkg-config$pkg_config_fail_message"
1349 require_libfreetype(){
1350 log require_libfreetype "$@"
1352 check_cmd $pkg_config --exists --print-errors $pkg \
1353 || die "ERROR: $pkg not found"
1354 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1355 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1357 echo "#include <ft2build.h>"
1358 echo "#include FT_FREETYPE_H"
1359 echo "long check_func(void) { return (long) FT_Init_FreeType; }"
1360 echo "int main(void) { return 0; }"
1361 } | check_ld "cc" $pkg_cflags $pkg_libs \
1362 && set_safe "${pkg}_cflags" $pkg_cflags \
1363 && set_safe "${pkg}_libs" $pkg_libs \
1364 || die "ERROR: $pkg not found"
1365 add_cflags $(get_safe "${pkg}_cflags")
1366 add_extralibs $(get_safe "${pkg}_libs")
1370 eval printf '%s\\n' $HOSTCC_E
1374 eval printf '%s\\n' $HOSTCC_O
1378 log check_host_cc "$@"
1381 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1385 log check_host_cpp "$@"
1388 check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1391 check_host_cppflags(){
1392 log check_host_cppflags "$@"
1393 check_host_cc "$@" <<EOF && append host_cppflags "$@"
1398 check_host_cflags(){
1399 log check_host_cflags "$@"
1400 set -- $($host_cflags_filter "$@")
1401 check_host_cc "$@" <<EOF && append host_cflags "$@"
1406 check_host_cpp_condition(){
1407 log check_host_cpp_condition "$@"
1411 check_host_cpp "$@" <<EOF
1414 #error "unsatisfied condition: $condition"
1420 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1421 mkdir -p "$(dirname $2)"
1425 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1426 # system-dependent things.
1428 AVCODEC_COMPONENTS="
1436 AVDEVICE_COMPONENTS="
1440 AVFILTER_COMPONENTS="
1443 AVFORMAT_COMPONENTS="
1449 AVRESAMPLE_COMPONENTS=""
1450 AVUTIL_COMPONENTS=""
1454 $AVDEVICE_COMPONENTS
1455 $AVFILTER_COMPONENTS
1456 $AVFORMAT_COMPONENTS
1457 $AVRESAMPLE_COMPONENTS
1462 avio_dir_cmd_example
1463 avio_reading_example
1464 decoding_encoding_example
1465 demuxing_decoding_example
1467 filter_audio_example
1468 filtering_audio_example
1469 filtering_video_example
1470 http_multiclient_example
1475 resampling_audio_example
1476 scaling_video_example
1477 transcode_aac_example
1480 EXTERNAL_AUTODETECT_LIBRARY_LIST="
1496 EXTERNAL_LIBRARY_GPL_LIST="
1507 EXTERNAL_LIBRARY_NONFREE_LIST="
1512 EXTERNAL_LIBRARY_VERSION3_LIST="
1519 EXTERNAL_LIBRARY_GPLV3_LIST="
1523 EXTERNAL_LIBRARY_LIST="
1524 $EXTERNAL_AUTODETECT_LIBRARY_LIST
1525 $EXTERNAL_LIBRARY_GPL_LIST
1526 $EXTERNAL_LIBRARY_NONFREE_LIST
1527 $EXTERNAL_LIBRARY_VERSION3_LIST
1528 $EXTERNAL_LIBRARY_GPLV3_LIST
1587 HWACCEL_AUTODETECT_LIBRARY_LIST="
1597 videotoolbox_hwaccel
1601 HWACCEL_LIBRARY_NONFREE_LIST="
1605 HWACCEL_LIBRARY_LIST="
1606 $HWACCEL_AUTODETECT_LIBRARY_LIST
1607 $HWACCEL_LIBRARY_NONFREE_LIST
1627 safe_bitstream_reader
1678 $EXTERNAL_LIBRARY_LIST
1679 $HWACCEL_LIBRARY_LIST
1708 $EXTERNAL_AUTODETECT_LIBRARY_LIST
1709 $HWACCEL_AUTODETECT_LIBRARY_LIST
1751 ARCH_EXT_LIST_MIPS="
1763 ARCH_EXT_LIST_LOONGSON="
1769 ARCH_EXT_LIST_X86_SIMD="
1798 $ARCH_EXT_LIST_X86_SIMD
1808 $ARCH_EXT_LIST_LOONGSON
1831 sync_val_compare_and_swap
1850 cdio_paranoia_paranoia_h
1853 dev_bktr_ioctl_bt848_h
1854 dev_bktr_ioctl_meteor_h
1856 dev_video_bktr_ioctl_bt848_h
1857 dev_video_meteor_ioctl_meteor_h
1867 machine_ioctl_bt848_h
1868 machine_ioctl_meteor_h
1870 opencv2_core_core_c_h
1871 openjpeg_2_1_openjpeg_h
1872 openjpeg_2_0_openjpeg_h
1873 openjpeg_1_5_openjpeg_h
1952 GetProcessAffinityMask
1953 GetProcessMemoryInfo
1956 GetSystemTimeAsFileTime
1963 jack_port_get_latency_range
1980 SetConsoleTextAttribute
1981 SetConsoleCtrlHandler
1989 UTGetOSTypeFromString
1994 TOOLCHAIN_FEATURES="
2007 inline_asm_direct_symbol_refs
2009 inline_asm_nonlocal_labels
2020 CONDITION_VARIABLE_Ptr
2023 struct_group_source_req
2024 struct_ip_mreq_source
2026 struct_msghdr_msg_flags
2028 struct_rusage_ru_maxrss
2029 struct_sctp_event_subscribe
2031 struct_sockaddr_sa_len
2032 struct_sockaddr_storage
2033 struct_stat_st_mtim_tv_nsec
2034 struct_v4l2_frmivalenum_discrete
2039 $(add_suffix _external $ARCH_EXT_LIST)
2040 $(add_suffix _inline $ARCH_EXT_LIST)
2063 MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS
2077 # options emitted with CONFIG_ prefix but not available on the command line
2094 frame_thread_encoder
2245 # code dependency declarations
2247 # architecture extensions
2252 armv8_deps="aarch64"
2253 neon_deps_any="aarch64 arm"
2254 intrinsics_neon_deps="neon"
2255 vfp_deps_any="aarch64 arm"
2259 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
2261 loongson2_deps="mips"
2262 loongson3_deps="mips"
2265 mipsdspr2_deps="mips"
2266 mips32r2_deps="mips"
2267 mips32r5_deps="mips"
2268 mips32r6_deps="mips"
2269 mips64r2_deps="mips"
2270 mips64r6_deps="mips"
2282 x86_64_select="i686"
2283 x86_64_suggest="fast_cmov"
2286 amd3dnowext_deps="amd3dnow"
2303 mmx_external_deps="yasm"
2304 mmx_inline_deps="inline_asm"
2305 mmx_suggest="mmx_external mmx_inline"
2307 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
2308 eval dep=\$${ext}_deps
2309 eval ${ext}_external_deps='"${dep}_external"'
2310 eval ${ext}_inline_deps='"${dep}_inline"'
2311 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
2314 aligned_stack_if_any="aarch64 ppc x86"
2315 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
2316 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
2317 fast_unaligned_if_any="aarch64 ppc x86"
2318 simd_align_16_if_any="altivec neon sse"
2319 simd_align_32_if_any="avx"
2321 # system capabilities
2322 symver_if_any="symver_asm_label symver_gnu_asm"
2323 valgrind_backtrace_deps="!optimizations valgrind_valgrind_h"
2326 atomics_gcc_if="sync_val_compare_and_swap"
2327 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
2328 atomics_win32_if="MemoryBarrier"
2329 atomics_native_if_any="$ATOMICS_LIST"
2330 w32threads_deps="atomics_native"
2331 threads_if_any="$THREADS_LIST"
2335 dirac_parse_select="golomb"
2336 error_resilience_select="me_cmp"
2337 faandct_deps="faan fdctdsp"
2338 faanidct_deps="faan idctdsp"
2339 h264dsp_select="startcode"
2340 frame_thread_encoder_deps="encoders threads"
2341 intrax8_select="blockdsp idctdsp"
2344 me_cmp_select="fdctdsp idctdsp pixblockdsp"
2345 mpeg_er_select="error_resilience"
2346 mpegaudio_select="mpegaudiodsp"
2347 mpegaudiodsp_select="dct"
2348 mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp mpeg_er videodsp"
2349 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
2350 vc1dsp_select="h264chroma qpeldsp startcode"
2353 # decoders / encoders
2354 aac_decoder_select="mdct15 mdct sinewin"
2355 aac_fixed_decoder_select="mdct sinewin"
2356 aac_encoder_select="audio_frame_queue iirfilter lpc mdct sinewin"
2357 aac_latm_decoder_select="aac_decoder aac_latm_parser"
2358 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
2359 ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"
2360 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
2361 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
2362 adpcm_g722_decoder_select="g722dsp"
2363 adpcm_g722_encoder_select="g722dsp"
2364 aic_decoder_select="golomb idctdsp"
2365 alac_encoder_select="lpc"
2366 als_decoder_select="bswapdsp"
2367 amrnb_decoder_select="lsp"
2368 amrwb_decoder_select="lsp"
2369 amv_decoder_select="sp5x_decoder exif"
2370 amv_encoder_select="aandcttables jpegtables mpegvideoenc"
2371 ape_decoder_select="bswapdsp llauddsp"
2372 apng_decoder_select="zlib"
2373 apng_encoder_select="llvidencdsp zlib"
2374 asv1_decoder_select="blockdsp bswapdsp idctdsp"
2375 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
2376 asv2_decoder_select="blockdsp bswapdsp idctdsp"
2377 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
2378 atrac1_decoder_select="mdct sinewin"
2379 atrac3_decoder_select="mdct"
2380 atrac3p_decoder_select="mdct sinewin"
2381 avrn_decoder_select="exif jpegtables"
2382 bink_decoder_select="blockdsp hpeldsp"
2383 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
2384 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
2385 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
2386 cllc_decoder_select="bswapdsp"
2387 comfortnoise_encoder_select="lpc"
2388 cook_decoder_select="audiodsp mdct sinewin"
2389 cscd_decoder_select="lzo"
2390 cscd_decoder_suggest="zlib"
2391 dca_decoder_select="mdct"
2392 dds_decoder_select="texturedsp"
2393 dirac_decoder_select="dirac_parse dwt golomb videodsp mpegvideoenc"
2394 dnxhd_decoder_select="blockdsp idctdsp"
2395 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
2396 dvvideo_decoder_select="dvprofile idctdsp"
2397 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
2398 dxa_decoder_select="zlib"
2399 dxv_decoder_select="lzf texturedsp"
2400 eac3_decoder_select="ac3_decoder"
2401 eac3_encoder_select="ac3_encoder"
2402 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
2403 eatgq_decoder_select="aandcttables"
2404 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp"
2405 exr_decoder_select="zlib"
2406 ffv1_decoder_select="golomb rangecoder"
2407 ffv1_encoder_select="rangecoder"
2408 ffvhuff_decoder_select="huffyuv_decoder"
2409 ffvhuff_encoder_select="huffyuv_encoder"
2410 fic_decoder_select="golomb"
2411 flac_decoder_select="flacdsp golomb"
2412 flac_encoder_select="bswapdsp flacdsp golomb lpc"
2413 flashsv2_decoder_select="zlib"
2414 flashsv2_encoder_select="zlib"
2415 flashsv_decoder_select="zlib"
2416 flashsv_encoder_select="zlib"
2417 flv_decoder_select="h263_decoder"
2418 flv_encoder_select="h263_encoder"
2419 fourxm_decoder_select="blockdsp bswapdsp"
2420 fraps_decoder_select="bswapdsp huffman"
2421 g2m_decoder_select="blockdsp idctdsp jpegtables zlib"
2422 g729_decoder_select="audiodsp"
2423 h261_decoder_select="mpegvideo"
2424 h261_encoder_select="aandcttables mpegvideoenc"
2425 h263_decoder_select="h263_parser h263dsp mpegvideo qpeldsp"
2426 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
2427 h263i_decoder_select="h263_decoder"
2428 h263p_decoder_select="h263_decoder"
2429 h263p_encoder_select="h263_encoder"
2430 h264_decoder_select="cabac golomb h264chroma h264dsp h264parse h264pred h264qpel videodsp"
2431 h264_decoder_suggest="error_resilience"
2432 hap_decoder_select="snappy texturedsp"
2433 hap_encoder_deps="libsnappy"
2434 hap_encoder_select="texturedspenc"
2435 hevc_decoder_select="bswapdsp cabac golomb videodsp"
2436 huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"
2437 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llvidencdsp"
2438 iac_decoder_select="imc_decoder"
2439 imc_decoder_select="bswapdsp fft mdct sinewin"
2440 indeo3_decoder_select="hpeldsp"
2441 indeo4_decoder_select="ividsp"
2442 indeo5_decoder_select="ividsp"
2443 interplay_video_decoder_select="hpeldsp"
2444 jpegls_decoder_select="golomb mjpeg_decoder"
2445 jpegls_encoder_select="golomb"
2446 jv_decoder_select="blockdsp"
2447 lagarith_decoder_select="llviddsp"
2448 ljpeg_encoder_select="aandcttables idctdsp jpegtables mpegvideoenc"
2449 loco_decoder_select="golomb"
2450 magicyuv_decoder_select="llviddsp"
2451 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2452 metasound_decoder_select="lsp mdct sinewin"
2453 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2454 mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"
2455 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
2456 mjpegb_decoder_select="mjpeg_decoder"
2457 mjpeg_vaapi_encoder_deps="VAEncPictureParameterBufferJPEG"
2458 mjpeg_vaapi_encoder_select="vaapi_encode jpegtables"
2459 mlp_decoder_select="mlp_parser"
2460 motionpixels_decoder_select="bswapdsp"
2461 mp1_decoder_select="mpegaudio"
2462 mp1float_decoder_select="mpegaudio"
2463 mp2_decoder_select="mpegaudio"
2464 mp2float_decoder_select="mpegaudio"
2465 mp3_decoder_select="mpegaudio"
2466 mp3adu_decoder_select="mpegaudio"
2467 mp3adufloat_decoder_select="mpegaudio"
2468 mp3float_decoder_select="mpegaudio"
2469 mp3on4_decoder_select="mpegaudio"
2470 mp3on4float_decoder_select="mpegaudio"
2471 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2472 mpc8_decoder_select="mpegaudiodsp"
2473 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
2474 mpeg_xvmc_decoder_select="mpeg2video_decoder"
2475 mpegvideo_decoder_select="mpegvideo"
2476 mpeg1video_decoder_select="mpegvideo"
2477 mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"
2478 mpeg2video_decoder_select="mpegvideo"
2479 mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"
2480 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2481 mpeg4_encoder_select="h263_encoder"
2482 msa1_decoder_select="mss34dsp"
2483 msmpeg4v1_decoder_select="h263_decoder"
2484 msmpeg4v2_decoder_select="h263_decoder"
2485 msmpeg4v2_encoder_select="h263_encoder"
2486 msmpeg4v3_decoder_select="h263_decoder"
2487 msmpeg4v3_encoder_select="h263_encoder"
2488 mss2_decoder_select="vc1_decoder mpegvideo"
2489 mts2_decoder_select="mss34dsp"
2490 mxpeg_decoder_select="mjpeg_decoder"
2491 nellymoser_decoder_select="mdct sinewin"
2492 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2493 nuv_decoder_select="idctdsp lzo"
2494 on2avc_decoder_select="mdct"
2495 opus_decoder_deps="swresample"
2496 opus_decoder_select="mdct15"
2497 opus_encoder_select="audio_frame_queue mdct15"
2498 png_decoder_select="zlib"
2499 png_encoder_select="llvidencdsp zlib"
2500 prores_decoder_select="blockdsp idctdsp"
2501 prores_encoder_select="fdctdsp"
2502 qcelp_decoder_select="lsp"
2503 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2504 ra_144_decoder_select="audiodsp"
2505 ra_144_encoder_select="audio_frame_queue lpc audiodsp"
2506 ralf_decoder_select="golomb"
2507 rawvideo_decoder_select="bswapdsp"
2508 rscc_decoder_select="zlib"
2509 rtjpeg_decoder_select="me_cmp"
2510 rv10_decoder_select="h263_decoder"
2511 rv10_encoder_select="h263_encoder"
2512 rv20_decoder_select="h263_decoder"
2513 rv20_encoder_select="h263_encoder"
2514 rv30_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2515 rv40_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2516 screenpresso_decoder_select="zlib"
2517 shorten_decoder_select="golomb bswapdsp"
2518 sipr_decoder_select="lsp"
2519 snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"
2520 snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"
2521 sonic_decoder_select="golomb rangecoder"
2522 sonic_encoder_select="golomb rangecoder"
2523 sonic_ls_encoder_select="golomb rangecoder"
2524 sp5x_decoder_select="mjpeg_decoder"
2525 svq1_decoder_select="hpeldsp"
2526 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2527 svq3_decoder_select="golomb h264dsp h264parse h264pred hpeldsp tpeldsp videodsp"
2528 svq3_decoder_suggest="zlib"
2529 tak_decoder_select="audiodsp"
2530 tdsc_decoder_select="zlib mjpeg_decoder"
2531 theora_decoder_select="vp3_decoder"
2532 thp_decoder_select="mjpeg_decoder"
2533 tiff_decoder_suggest="zlib lzma"
2534 tiff_encoder_suggest="zlib"
2535 truehd_decoder_select="mlp_parser"
2536 truemotion2_decoder_select="bswapdsp"
2537 truespeech_decoder_select="bswapdsp"
2538 tscc_decoder_select="zlib"
2539 twinvq_decoder_select="mdct lsp sinewin"
2540 txd_decoder_select="texturedsp"
2541 utvideo_decoder_select="bswapdsp llviddsp"
2542 utvideo_encoder_select="bswapdsp huffman llvidencdsp"
2543 vble_decoder_select="llviddsp"
2544 vc1_decoder_select="blockdsp h263_decoder h264qpel intrax8 mpegvideo vc1dsp"
2545 vc1_qsv_decoder_deps="libmfx"
2546 vc1_qsv_decoder_select="qsvdec vc1_qsv_hwaccel"
2547 vc1image_decoder_select="vc1_decoder"
2548 vorbis_decoder_select="mdct"
2549 vorbis_encoder_select="mdct"
2550 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2551 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"
2552 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"
2553 vp6a_decoder_select="vp6_decoder"
2554 vp6f_decoder_select="vp6_decoder"
2555 vp7_decoder_select="h264pred videodsp vp8dsp"
2556 vp8_decoder_select="h264pred videodsp vp8dsp"
2557 vp9_decoder_select="videodsp vp9_parser"
2558 webp_decoder_select="vp8_decoder exif"
2559 wmalossless_decoder_select="llauddsp"
2560 wmapro_decoder_select="mdct sinewin wma_freqs"
2561 wmav1_decoder_select="mdct sinewin wma_freqs"
2562 wmav1_encoder_select="mdct sinewin wma_freqs"
2563 wmav2_decoder_select="mdct sinewin wma_freqs"
2564 wmav2_encoder_select="mdct sinewin wma_freqs"
2565 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2566 wmv1_decoder_select="h263_decoder"
2567 wmv1_encoder_select="h263_encoder"
2568 wmv2_decoder_select="blockdsp error_resilience h263_decoder idctdsp intrax8 videodsp wmv2dsp"
2569 wmv2_encoder_select="h263_encoder wmv2dsp"
2570 wmv3_decoder_select="vc1_decoder"
2571 wmv3image_decoder_select="wmv3_decoder"
2572 xma1_decoder_select="wmapro_decoder"
2573 xma2_decoder_select="wmapro_decoder"
2574 zerocodec_decoder_select="zlib"
2575 zlib_decoder_select="zlib"
2576 zlib_encoder_select="zlib"
2577 zmbv_decoder_select="zlib"
2578 zmbv_encoder_select="zlib"
2581 audiotoolbox_deps="AudioToolbox_AudioToolbox_h"
2582 audiotoolbox_extralibs="-framework CoreFoundation -framework AudioToolbox -framework CoreMedia"
2584 # hardware accelerators
2585 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
2586 cuda_deps_any="dlopen LoadLibrary"
2588 d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder ID3D11VideoContext"
2589 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode"
2590 dxva2_extralibs="-luser32"
2591 vaapi_deps="va_va_h"
2592 vda_framework_deps="VideoDecodeAcceleration_VDADecoder_h"
2593 vda_framework_extralibs="-framework VideoDecodeAcceleration"
2594 vda_deps="vda_framework pthreads"
2595 vda_extralibs="-framework CoreFoundation -framework QuartzCore"
2596 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
2597 videotoolbox_hwaccel_deps="videotoolbox pthreads"
2598 videotoolbox_hwaccel_extralibs="-framework QuartzCore"
2599 xvmc_deps="X11_extensions_XvMClib_h"
2601 h263_vaapi_hwaccel_deps="vaapi"
2602 h263_vaapi_hwaccel_select="h263_decoder"
2603 h263_videotoolbox_hwaccel_deps="videotoolbox"
2604 h263_videotoolbox_hwaccel_select="h263_decoder"
2605 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
2606 h264_cuvid_hwaccel_deps="cuda cuvid"
2607 h264_cuvid_hwaccel_select="h264_cuvid_decoder"
2608 h264_d3d11va_hwaccel_deps="d3d11va"
2609 h264_d3d11va_hwaccel_select="h264_decoder"
2610 h264_dxva2_hwaccel_deps="dxva2"
2611 h264_dxva2_hwaccel_select="h264_decoder"
2612 h264_mediacodec_decoder_deps="mediacodec"
2613 h264_mediacodec_hwaccel_deps="mediacodec"
2614 h264_mediacodec_decoder_select="h264_mp4toannexb_bsf h264_parser"
2615 h264_mmal_decoder_deps="mmal"
2616 h264_mmal_decoder_select="mmal"
2617 h264_mmal_hwaccel_deps="mmal"
2618 h264_omx_encoder_deps="omx"
2619 h264_qsv_hwaccel_deps="libmfx"
2620 h264_vaapi_hwaccel_deps="vaapi"
2621 h264_vaapi_hwaccel_select="h264_decoder"
2622 h264_vda_decoder_deps="vda"
2623 h264_vda_decoder_select="h264_decoder"
2624 h264_vda_hwaccel_deps="vda"
2625 h264_vda_hwaccel_select="h264_decoder"
2626 h264_vda_old_hwaccel_deps="vda"
2627 h264_vda_old_hwaccel_select="h264_decoder"
2628 h264_vdpau_decoder_deps="vdpau"
2629 h264_vdpau_decoder_select="h264_decoder"
2630 h264_vdpau_hwaccel_deps="vdpau"
2631 h264_vdpau_hwaccel_select="h264_decoder"
2632 h264_videotoolbox_hwaccel_deps="videotoolbox"
2633 h264_videotoolbox_hwaccel_select="h264_decoder"
2634 hevc_cuvid_hwaccel_deps="cuda cuvid"
2635 hevc_cuvid_hwaccel_select="hevc_cuvid_decoder"
2636 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2637 hevc_d3d11va_hwaccel_select="hevc_decoder"
2638 hevc_mediacodec_decoder_deps="mediacodec"
2639 hevc_mediacodec_hwaccel_deps="mediacodec"
2640 hevc_mediacodec_decoder_select="hevc_mp4toannexb_bsf hevc_parser"
2641 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2642 hevc_dxva2_hwaccel_select="hevc_decoder"
2643 hevc_qsv_hwaccel_deps="libmfx"
2644 hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC"
2645 hevc_vaapi_hwaccel_select="hevc_decoder"
2646 hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"
2647 hevc_vdpau_hwaccel_select="hevc_decoder"
2648 mjpeg_cuvid_hwaccel_deps="cuda cuvid"
2649 mjpeg_cuvid_hwaccel_select="mjpeg_cuvid_decoder"
2650 mpeg_vdpau_decoder_deps="vdpau"
2651 mpeg_vdpau_decoder_select="mpeg2video_decoder"
2652 mpeg_xvmc_hwaccel_deps="xvmc"
2653 mpeg_xvmc_hwaccel_select="mpeg2video_decoder"
2654 mpeg1_cuvid_hwaccel_deps="cuda cuvid"
2655 mpeg1_cuvid_hwaccel_select="mpeg1_cuvid_decoder"
2656 mpeg1_vdpau_decoder_deps="vdpau"
2657 mpeg1_vdpau_decoder_select="mpeg1video_decoder"
2658 mpeg1_vdpau_hwaccel_deps="vdpau"
2659 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2660 mpeg1_videotoolbox_hwaccel_deps="videotoolbox"
2661 mpeg1_videotoolbox_hwaccel_select="mpeg1video_decoder"
2662 mpeg1_xvmc_hwaccel_deps="xvmc"
2663 mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"
2664 mpeg2_crystalhd_decoder_select="crystalhd"
2665 mpeg2_cuvid_hwaccel_deps="cuda cuvid"
2666 mpeg2_cuvid_hwaccel_select="mpeg2_cuvid_decoder"
2667 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2668 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2669 mpeg2_dxva2_hwaccel_deps="dxva2"
2670 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2671 mpeg2_mmal_decoder_deps="mmal"
2672 mpeg2_mmal_decoder_select="mmal"
2673 mpeg2_mmal_hwaccel_deps="mmal"
2674 mpeg2_qsv_hwaccel_deps="libmfx"
2675 mpeg2_qsv_hwaccel_select="qsvdec_mpeg2"
2676 mpeg2_vaapi_hwaccel_deps="vaapi"
2677 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2678 mpeg2_vdpau_hwaccel_deps="vdpau"
2679 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2680 mpeg2_videotoolbox_hwaccel_deps="videotoolbox"
2681 mpeg2_videotoolbox_hwaccel_select="mpeg2video_decoder"
2682 mpeg2_xvmc_hwaccel_deps="xvmc"
2683 mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"
2684 mpeg4_crystalhd_decoder_select="crystalhd"
2685 mpeg4_cuvid_hwaccel_deps="cuda cuvid"
2686 mpeg4_cuvid_hwaccel_select="mpeg4_cuvid_decoder"
2687 mpeg4_mediacodec_decoder_deps="mediacodec"
2688 mpeg4_mediacodec_hwaccel_deps="mediacodec"
2689 mpeg4_mmal_decoder_deps="mmal"
2690 mpeg4_mmal_decoder_select="mmal"
2691 mpeg4_mmal_hwaccel_deps="mmal"
2692 mpeg4_omx_encoder_deps="omx"
2693 mpeg4_vaapi_hwaccel_deps="vaapi"
2694 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2695 mpeg4_vdpau_decoder_deps="vdpau"
2696 mpeg4_vdpau_decoder_select="mpeg4_decoder"
2697 mpeg4_vdpau_hwaccel_deps="vdpau"
2698 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2699 mpeg4_videotoolbox_hwaccel_deps="videotoolbox"
2700 mpeg4_videotoolbox_hwaccel_select="mpeg4_decoder"
2701 msmpeg4_crystalhd_decoder_select="crystalhd"
2702 vc1_crystalhd_decoder_select="crystalhd"
2703 vc1_cuvid_hwaccel_deps="cuda cuvid"
2704 vc1_cuvid_hwaccel_select="vc1_cuvid_decoder"
2705 vc1_d3d11va_hwaccel_deps="d3d11va"
2706 vc1_d3d11va_hwaccel_select="vc1_decoder"
2707 vc1_dxva2_hwaccel_deps="dxva2"
2708 vc1_dxva2_hwaccel_select="vc1_decoder"
2709 vc1_mmal_decoder_deps="mmal"
2710 vc1_mmal_decoder_select="mmal"
2711 vc1_mmal_hwaccel_deps="mmal"
2712 vc1_qsv_hwaccel_deps="libmfx"
2713 vc1_qsv_hwaccel_select="qsvdec_vc1"
2714 vc1_vaapi_hwaccel_deps="vaapi"
2715 vc1_vaapi_hwaccel_select="vc1_decoder"
2716 vc1_vdpau_decoder_deps="vdpau"
2717 vc1_vdpau_decoder_select="vc1_decoder"
2718 vc1_vdpau_hwaccel_deps="vdpau"
2719 vc1_vdpau_hwaccel_select="vc1_decoder"
2720 vp8_cuvid_hwaccel_deps="cuda cuvid"
2721 vp8_cuvid_hwaccel_select="vp8_cuvid_decoder"
2722 vp9_cuvid_hwaccel_deps="cuda cuvid"
2723 vp9_cuvid_hwaccel_select="vp9_cuvid_decoder"
2724 vp8_mediacodec_decoder_deps="mediacodec"
2725 vp8_mediacodec_hwaccel_deps="mediacodec"
2726 vp9_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_VP9"
2727 vp9_d3d11va_hwaccel_select="vp9_decoder"
2728 vp9_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_VP9"
2729 vp9_dxva2_hwaccel_select="vp9_decoder"
2730 vp9_mediacodec_decoder_deps="mediacodec"
2731 vp9_mediacodec_hwaccel_deps="mediacodec"
2732 vp9_vaapi_hwaccel_deps="vaapi VADecPictureParameterBufferVP9_bit_depth"
2733 vp9_vaapi_hwaccel_select="vp9_decoder"
2734 wmv3_crystalhd_decoder_select="crystalhd"
2735 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2736 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2737 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2738 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2739 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2741 # hardware-accelerated codecs
2742 omx_deps="dlopen pthreads"
2743 omx_extralibs='$ldl'
2746 vaapi_encode_deps="vaapi"
2748 hwupload_cuda_filter_deps="cuda"
2749 scale_npp_filter_deps="cuda libnpp"
2752 nvenc_deps_any="dlopen LoadLibrary"
2753 nvenc_encoder_deps="nvenc"
2754 h264_cuvid_decoder_deps="cuda cuvid"
2755 h264_cuvid_decoder_select="h264_mp4toannexb_bsf"
2756 h264_nvenc_encoder_deps="nvenc"
2757 h264_qsv_decoder_deps="libmfx"
2758 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
2759 h264_qsv_encoder_deps="libmfx"
2760 h264_qsv_encoder_select="qsvenc"
2761 h264_vaapi_encoder_deps="VAEncPictureParameterBufferH264"
2762 h264_vaapi_encoder_select="vaapi_encode golomb"
2764 hevc_cuvid_decoder_deps="cuda cuvid"
2765 hevc_cuvid_decoder_select="hevc_mp4toannexb_bsf"
2766 hevc_nvenc_encoder_deps="nvenc"
2767 hevc_qsv_decoder_deps="libmfx"
2768 hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec hevc_qsv_hwaccel"
2769 hevc_qsv_encoder_deps="libmfx"
2770 hevc_qsv_encoder_select="qsvenc"
2771 hevc_vaapi_encoder_deps="VAEncPictureParameterBufferHEVC"
2772 hevc_vaapi_encoder_select="vaapi_encode golomb"
2773 mjpeg_cuvid_decoder_deps="cuda cuvid"
2774 mpeg1_cuvid_decoder_deps="cuda cuvid"
2775 mpeg2_cuvid_decoder_deps="cuda cuvid"
2776 mpeg2_qsv_decoder_deps="libmfx"
2777 mpeg2_qsv_decoder_select="qsvdec mpeg2_qsv_hwaccel"
2778 mpeg2_qsv_encoder_deps="libmfx"
2779 mpeg2_qsv_encoder_select="qsvenc"
2780 mpeg2_vaapi_encoder_deps="VAEncPictureParameterBufferMPEG2"
2781 mpeg2_vaapi_encoder_select="vaapi_encode"
2782 mpeg4_cuvid_decoder_deps="cuda cuvid"
2783 nvenc_h264_encoder_deps="nvenc"
2784 nvenc_hevc_encoder_deps="nvenc"
2786 vc1_cuvid_decoder_deps="cuda cuvid"
2787 vp8_cuvid_decoder_deps="cuda cuvid"
2788 vp8_vaapi_encoder_deps="VAEncPictureParameterBufferVP8"
2789 vp8_vaapi_encoder_select="vaapi_encode"
2790 vp9_cuvid_decoder_deps="cuda cuvid"
2793 h264_parser_select="golomb h264dsp h264parse"
2794 hevc_parser_select="golomb"
2795 mpegvideo_parser_select="mpegvideo"
2796 mpeg4video_parser_select="h263dsp mpegvideo qpeldsp"
2797 vc1_parser_select="vc1dsp"
2800 mjpeg2jpeg_bsf_select="jpegtables"
2802 # external libraries
2803 aac_at_decoder_deps="audiotoolbox"
2804 ac3_at_decoder_deps="audiotoolbox"
2805 ac3_at_decoder_select="ac3_parser"
2806 adpcm_ima_qt_at_decoder_deps="audiotoolbox"
2807 alac_at_decoder_deps="audiotoolbox"
2808 amr_nb_at_decoder_deps="audiotoolbox"
2809 avisynth_deps_any="dlopen LoadLibrary"
2810 avisynth_demuxer_deps="avisynth"
2811 avisynth_demuxer_select="riffdec"
2812 eac3_at_decoder_deps="audiotoolbox"
2813 eac3_at_decoder_select="ac3_parser"
2814 gsm_ms_at_decoder_deps="audiotoolbox"
2815 ilbc_at_decoder_deps="audiotoolbox"
2816 mp1_at_decoder_deps="audiotoolbox"
2817 mp2_at_decoder_deps="audiotoolbox"
2818 mp3_at_decoder_deps="audiotoolbox"
2819 pcm_alaw_at_decoder_deps="audiotoolbox"
2820 pcm_mulaw_at_decoder_deps="audiotoolbox"
2821 qdmc_at_decoder_deps="audiotoolbox"
2822 qdm2_at_decoder_deps="audiotoolbox"
2823 aac_at_encoder_deps="audiotoolbox"
2824 aac_at_encoder_select="audio_frame_queue"
2825 alac_at_encoder_deps="audiotoolbox"
2826 alac_at_encoder_select="audio_frame_queue"
2827 ilbc_at_encoder_deps="audiotoolbox"
2828 ilbc_at_encoder_select="audio_frame_queue"
2829 pcm_alaw_at_encoder_deps="audiotoolbox"
2830 pcm_alaw_at_encoder_select="audio_frame_queue"
2831 pcm_mulaw_at_encoder_deps="audiotoolbox"
2832 pcm_mulaw_at_encoder_select="audio_frame_queue"
2833 chromaprint_muxer_deps="chromaprint"
2834 h264_videotoolbox_encoder_deps="videotoolbox_encoder pthreads"
2835 libcelt_decoder_deps="libcelt"
2836 libfdk_aac_decoder_deps="libfdk_aac"
2837 libfdk_aac_encoder_deps="libfdk_aac"
2838 libfdk_aac_encoder_select="audio_frame_queue"
2839 libgme_demuxer_deps="libgme"
2840 libgsm_decoder_deps="libgsm"
2841 libgsm_encoder_deps="libgsm"
2842 libgsm_ms_decoder_deps="libgsm"
2843 libgsm_ms_encoder_deps="libgsm"
2844 libilbc_decoder_deps="libilbc"
2845 libilbc_encoder_deps="libilbc"
2846 libkvazaar_encoder_deps="libkvazaar"
2847 libmodplug_demuxer_deps="libmodplug"
2848 libmp3lame_encoder_deps="libmp3lame"
2849 libmp3lame_encoder_select="audio_frame_queue"
2850 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2851 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2852 libopencore_amrnb_encoder_select="audio_frame_queue"
2853 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2854 libopenh264_decoder_deps="libopenh264"
2855 libopenh264_decoder_select="h264_mp4toannexb_bsf"
2856 libopenh264_encoder_deps="libopenh264"
2857 libopenjpeg_decoder_deps="libopenjpeg"
2858 libopenjpeg_encoder_deps="libopenjpeg"
2859 libopenmpt_demuxer_deps="libopenmpt"
2860 libopus_decoder_deps="libopus"
2861 libopus_encoder_deps="libopus"
2862 libopus_encoder_select="audio_frame_queue"
2863 libschroedinger_decoder_deps="libschroedinger"
2864 libschroedinger_encoder_deps="libschroedinger"
2865 libshine_encoder_deps="libshine"
2866 libshine_encoder_select="audio_frame_queue"
2867 libspeex_decoder_deps="libspeex"
2868 libspeex_encoder_deps="libspeex"
2869 libspeex_encoder_select="audio_frame_queue"
2870 libtheora_encoder_deps="libtheora"
2871 libtwolame_encoder_deps="libtwolame"
2872 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2873 libvorbis_decoder_deps="libvorbis"
2874 libvorbis_encoder_deps="libvorbis"
2875 libvorbis_encoder_select="audio_frame_queue"
2876 libvpx_vp8_decoder_deps="libvpx"
2877 libvpx_vp8_encoder_deps="libvpx"
2878 libvpx_vp9_decoder_deps="libvpx"
2879 libvpx_vp9_encoder_deps="libvpx"
2880 libwavpack_encoder_deps="libwavpack"
2881 libwebp_encoder_deps="libwebp"
2882 libwebp_anim_encoder_deps="libwebp"
2883 libx262_encoder_deps="libx262"
2884 libx264_encoder_deps="libx264"
2885 libx264rgb_encoder_deps="libx264 x264_csp_bgr"
2886 libx264rgb_encoder_select="libx264_encoder"
2887 libx265_encoder_deps="libx265"
2888 libxavs_encoder_deps="libxavs"
2889 libxvid_encoder_deps="libxvid"
2890 libzvbi_teletext_decoder_deps="libzvbi"
2891 videotoolbox_deps="VideoToolbox_VideoToolbox_h"
2892 videotoolbox_extralibs="-framework CoreFoundation -framework VideoToolbox -framework CoreMedia -framework CoreVideo"
2893 videotoolbox_encoder_deps="videotoolbox VTCompressionSessionPrepareToEncodeFrames"
2894 videotoolbox_encoder_suggest="vda_framework vt_bt2020"
2895 vt_bt2020_deps="kCVImageBufferColorPrimaries_ITU_R_2020"
2898 ac3_demuxer_select="ac3_parser"
2899 aiff_muxer_select="iso_media"
2900 asf_demuxer_select="riffdec"
2901 asf_o_demuxer_select="riffdec"
2902 asf_muxer_select="riffenc"
2903 asf_stream_muxer_select="asf_muxer"
2904 avi_demuxer_select="iso_media riffdec exif"
2905 avi_muxer_select="riffenc"
2906 caf_demuxer_select="iso_media riffdec"
2907 caf_muxer_select="iso_media"
2908 dash_muxer_select="mp4_muxer"
2909 dirac_demuxer_select="dirac_parser"
2910 dts_demuxer_select="dca_parser"
2911 dtshd_demuxer_select="dca_parser"
2912 dv_demuxer_select="dvprofile"
2913 dv_muxer_select="dvprofile"
2914 dxa_demuxer_select="riffdec"
2915 eac3_demuxer_select="ac3_parser"
2916 f4v_muxer_select="mov_muxer"
2917 fifo_muxer_deps="threads"
2918 flac_demuxer_select="flac_parser"
2919 hds_muxer_select="flv_muxer"
2920 hls_muxer_select="mpegts_muxer"
2921 image2_alias_pix_demuxer_select="image2_demuxer"
2922 image2_brender_pix_demuxer_select="image2_demuxer"
2923 ipod_muxer_select="mov_muxer"
2924 ismv_muxer_select="mov_muxer"
2925 libnut_demuxer_deps="libnut"
2926 libnut_muxer_deps="libnut"
2927 matroska_audio_muxer_select="matroska_muxer"
2928 matroska_demuxer_select="iso_media riffdec"
2929 matroska_demuxer_suggest="bzlib lzo zlib"
2930 matroska_muxer_select="iso_media riffenc"
2931 mmf_muxer_select="riffenc"
2932 mov_demuxer_select="iso_media riffdec"
2933 mov_demuxer_suggest="zlib"
2934 mov_muxer_select="iso_media riffenc rtpenc_chain"
2935 mp3_demuxer_select="mpegaudio_parser"
2936 mp4_muxer_select="mov_muxer"
2937 mpegts_demuxer_select="iso_media"
2938 mpegts_muxer_select="adts_muxer latm_muxer"
2939 mpegtsraw_demuxer_select="mpegts_demuxer"
2940 mxf_d10_muxer_select="mxf_muxer"
2941 mxf_opatom_muxer_select="mxf_muxer"
2942 nut_muxer_select="riffenc"
2943 nuv_demuxer_select="riffdec"
2944 oga_muxer_select="ogg_muxer"
2945 ogg_demuxer_select="dirac_parse"
2946 ogv_muxer_select="ogg_muxer"
2947 opus_muxer_select="ogg_muxer"
2948 psp_muxer_select="mov_muxer"
2949 rtp_demuxer_select="sdp_demuxer"
2950 rtp_muxer_select="golomb"
2951 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol srtp"
2952 rtsp_demuxer_select="http_protocol rtpdec"
2953 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2954 sap_demuxer_select="sdp_demuxer"
2955 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2956 sdp_demuxer_select="rtpdec"
2957 smoothstreaming_muxer_select="ismv_muxer"
2958 spdif_muxer_select="aac_parser"
2959 spx_muxer_select="ogg_muxer"
2960 swf_demuxer_suggest="zlib"
2961 tak_demuxer_select="tak_parser"
2962 tg2_muxer_select="mov_muxer"
2963 tgp_muxer_select="mov_muxer"
2964 vobsub_demuxer_select="mpegps_demuxer"
2965 w64_demuxer_select="wav_demuxer"
2966 w64_muxer_select="wav_muxer"
2967 wav_demuxer_select="riffdec"
2968 wav_muxer_select="riffenc"
2969 webm_muxer_select="iso_media riffenc"
2970 webm_dash_manifest_demuxer_select="matroska_demuxer"
2971 wtv_demuxer_select="mpegts_demuxer riffdec"
2972 wtv_muxer_select="mpegts_muxer riffenc"
2973 xmv_demuxer_select="riffdec"
2974 xwma_demuxer_select="riffdec"
2977 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2978 alsa_outdev_deps="alsa_asoundlib_h"
2979 avfoundation_indev_extralibs="-framework CoreVideo -framework Foundation -framework AVFoundation -framework CoreMedia"
2980 avfoundation_indev_select="avfoundation"
2981 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2982 caca_outdev_deps="libcaca"
2983 decklink_indev_deps="decklink pthreads"
2984 decklink_indev_extralibs="-lstdc++"
2985 decklink_outdev_deps="decklink pthreads"
2986 decklink_outdev_extralibs="-lstdc++"
2987 dshow_indev_deps="IBaseFilter"
2988 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"
2989 dv1394_indev_deps="dv1394"
2990 dv1394_indev_select="dv_demuxer"
2991 fbdev_indev_deps="linux_fb_h"
2992 fbdev_outdev_deps="linux_fb_h"
2993 gdigrab_indev_deps="CreateDIBSection"
2994 gdigrab_indev_extralibs="-lgdi32"
2995 gdigrab_indev_select="bmp_decoder"
2996 iec61883_indev_deps="libiec61883"
2997 jack_indev_deps="jack_jack_h"
2998 jack_indev_deps_any="sem_timedwait dispatch_dispatch_h"
2999 lavfi_indev_deps="avfilter"
3000 libcdio_indev_deps="libcdio"
3001 libdc1394_indev_deps="libdc1394"
3002 libv4l2_indev_deps="libv4l2"
3003 openal_indev_deps="openal"
3004 opengl_outdev_deps="opengl"
3005 oss_indev_deps_any="soundcard_h sys_soundcard_h"
3006 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
3007 pulse_indev_deps="libpulse"
3008 pulse_outdev_deps="libpulse"
3009 qtkit_indev_extralibs="-framework QTKit -framework Foundation -framework QuartzCore"
3010 qtkit_indev_select="qtkit"
3011 sdl2_outdev_deps="sdl2"
3012 sndio_indev_deps="sndio_h"
3013 sndio_outdev_deps="sndio_h"
3014 v4l_indev_deps="linux_videodev_h"
3015 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
3016 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
3017 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
3018 vfwcap_indev_extralibs="-lavicap32"
3019 xcbgrab_indev_deps="libxcb"
3020 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
3021 xv_outdev_extralibs="-lXv -lX11 -lXext"
3024 async_protocol_deps="threads"
3025 bluray_protocol_deps="libbluray"
3026 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
3027 ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"
3028 ffrtmpcrypt_protocol_select="tcp_protocol"
3029 ffrtmphttp_protocol_deps="!librtmp_protocol"
3030 ffrtmphttp_protocol_select="http_protocol"
3031 ftp_protocol_select="tcp_protocol"
3032 gopher_protocol_select="network"
3033 http_protocol_select="tcp_protocol"
3034 httpproxy_protocol_select="tcp_protocol"
3035 https_protocol_select="tls_protocol"
3036 icecast_protocol_select="http_protocol"
3037 librtmp_protocol_deps="librtmp"
3038 librtmpe_protocol_deps="librtmp"
3039 librtmps_protocol_deps="librtmp"
3040 librtmpt_protocol_deps="librtmp"
3041 librtmpte_protocol_deps="librtmp"
3042 libsmbclient_protocol_deps="libsmbclient gplv3"
3043 libssh_protocol_deps="libssh"
3044 mmsh_protocol_select="http_protocol"
3045 mmst_protocol_select="network"
3046 rtmp_protocol_deps="!librtmp_protocol"
3047 rtmp_protocol_select="tcp_protocol"
3048 rtmpe_protocol_select="ffrtmpcrypt_protocol"
3049 rtmps_protocol_deps="!librtmp_protocol"
3050 rtmps_protocol_select="tls_protocol"
3051 rtmpt_protocol_select="ffrtmphttp_protocol"
3052 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
3053 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
3054 rtp_protocol_select="udp_protocol"
3055 sctp_protocol_deps="struct_sctp_event_subscribe struct_msghdr_msg_flags"
3056 sctp_protocol_select="network"
3057 srtp_protocol_select="rtp_protocol srtp"
3058 tcp_protocol_select="network"
3059 tls_gnutls_protocol_deps="gnutls !tls_schannel_protocol !tls_securetransport_protocol"
3060 tls_gnutls_protocol_select="tcp_protocol"
3061 tls_openssl_protocol_deps="openssl !tls_schannel_protocol !tls_securetransport_protocol !tls_gnutls_protocol"
3062 tls_openssl_protocol_select="tcp_protocol"
3063 tls_schannel_protocol_deps="schannel"
3064 tls_schannel_protocol_select="tcp_protocol"
3065 tls_securetransport_protocol_deps="securetransport"
3066 tls_securetransport_protocol_select="tcp_protocol"
3067 tls_protocol_deps_any="tls_schannel_protocol tls_securetransport_protocol tls_gnutls_protocol tls_openssl_protocol"
3068 udp_protocol_select="network"
3069 udplite_protocol_select="network"
3070 unix_protocol_deps="sys_un_h"
3071 unix_protocol_select="network"
3074 afftfilt_filter_deps="avcodec"
3075 afftfilt_filter_select="fft"
3076 amovie_filter_deps="avcodec avformat"
3077 aresample_filter_deps="swresample"
3078 ass_filter_deps="libass"
3079 atempo_filter_deps="avcodec"
3080 atempo_filter_select="rdft"
3081 azmq_filter_deps="libzmq"
3082 blackframe_filter_deps="gpl"
3083 boxblur_filter_deps="gpl"
3084 bs2b_filter_deps="libbs2b"
3085 colormatrix_filter_deps="gpl"
3086 cover_rect_filter_deps="avcodec avformat gpl"
3087 cropdetect_filter_deps="gpl"
3088 deinterlace_qsv_filter_deps="libmfx"
3089 deinterlace_vaapi_filter_deps="vaapi"
3090 delogo_filter_deps="gpl"
3091 deshake_filter_select="pixelutils"
3092 drawtext_filter_deps="libfreetype"
3093 eq_filter_deps="gpl"
3094 fftfilt_filter_deps="avcodec"
3095 fftfilt_filter_select="rdft"
3096 find_rect_filter_deps="avcodec avformat gpl"
3097 firequalizer_filter_deps="avcodec"
3098 firequalizer_filter_select="rdft"
3099 flite_filter_deps="libflite"
3100 framerate_filter_select="pixelutils"
3101 frei0r_filter_deps="frei0r dlopen"
3102 frei0r_src_filter_deps="frei0r dlopen"
3103 fspp_filter_deps="gpl"
3104 geq_filter_deps="gpl"
3105 histeq_filter_deps="gpl"
3106 hqdn3d_filter_deps="gpl"
3107 interlace_filter_deps="gpl"
3108 kerndeint_filter_deps="gpl"
3109 ladspa_filter_deps="ladspa dlopen"
3110 mcdeint_filter_deps="avcodec gpl"
3111 movie_filter_deps="avcodec avformat"
3112 mpdecimate_filter_deps="gpl"
3113 mpdecimate_filter_select="pixelutils"
3114 mptestsrc_filter_deps="gpl"
3115 negate_filter_deps="lut_filter"
3116 nnedi_filter_deps="gpl"
3117 ocr_filter_deps="libtesseract"
3118 ocv_filter_deps="libopencv"
3119 owdenoise_filter_deps="gpl"
3120 pan_filter_deps="swresample"
3121 perspective_filter_deps="gpl"
3122 phase_filter_deps="gpl"
3123 pp7_filter_deps="gpl"
3124 pp_filter_deps="gpl postproc"
3125 pullup_filter_deps="gpl"
3126 removelogo_filter_deps="avcodec avformat swscale"
3127 repeatfields_filter_deps="gpl"
3128 resample_filter_deps="avresample"
3129 rubberband_filter_deps="librubberband"
3130 sab_filter_deps="gpl swscale"
3131 scale2ref_filter_deps="swscale"
3132 scale_filter_deps="swscale"
3133 scale_qsv_filter_deps="libmfx"
3134 select_filter_select="pixelutils"
3135 showcqt_filter_deps="avcodec avformat swscale"
3136 showcqt_filter_select="fft"
3137 showfreqs_filter_deps="avcodec"
3138 showfreqs_filter_select="fft"
3139 showspectrum_filter_deps="avcodec"
3140 showspectrum_filter_select="fft"
3141 showspectrumpic_filter_deps="avcodec"
3142 showspectrumpic_filter_select="fft"
3143 signature_filter_deps="gpl avcodec avformat"
3144 smartblur_filter_deps="gpl swscale"
3145 sofalizer_filter_deps="netcdf avcodec"
3146 sofalizer_filter_select="fft"
3147 spectrumsynth_filter_deps="avcodec"
3148 spectrumsynth_filter_select="fft"
3149 spp_filter_deps="gpl avcodec"
3150 spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"
3151 stereo3d_filter_deps="gpl"
3152 subtitles_filter_deps="avformat avcodec libass"
3153 super2xsai_filter_deps="gpl"
3154 pixfmts_super2xsai_test_deps="super2xsai_filter"
3155 tinterlace_filter_deps="gpl"
3156 tinterlace_merge_test_deps="tinterlace_filter"
3157 tinterlace_pad_test_deps="tinterlace_filter"
3158 uspp_filter_deps="gpl avcodec"
3159 vaguedenoiser_filter_deps="gpl"
3160 vidstabdetect_filter_deps="libvidstab"
3161 vidstabtransform_filter_deps="libvidstab"
3162 zmq_filter_deps="libzmq"
3163 zoompan_filter_deps="swscale"
3164 zscale_filter_deps="libzimg"
3165 scale_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
3168 avio_dir_cmd_deps="avformat avutil"
3169 avio_reading_deps="avformat avcodec avutil"
3170 decoding_encoding_example_deps="avcodec avformat avutil"
3171 demuxing_decoding_example_deps="avcodec avformat avutil"
3172 extract_mvs_example_deps="avcodec avformat avutil"
3173 filter_audio_example_deps="avfilter avutil"
3174 filtering_audio_example_deps="avfilter avcodec avformat avutil"
3175 filtering_video_example_deps="avfilter avcodec avformat avutil"
3176 http_multiclient_example_deps="avformat avutil fork"
3177 metadata_example_deps="avformat avutil"
3178 muxing_example_deps="avcodec avformat avutil swscale"
3179 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder vaapi_x11"
3180 remuxing_example_deps="avcodec avformat avutil"
3181 resampling_audio_example_deps="avutil swresample"
3182 scaling_video_example_deps="avutil swscale"
3183 transcode_aac_example_deps="avcodec avformat swresample"
3184 transcoding_example_deps="avfilter avcodec avformat avutil"
3186 # libraries, in linking order
3187 avcodec_deps="avutil"
3188 avdevice_deps="avformat avcodec avutil"
3189 avfilter_deps="avutil"
3190 avformat_deps="avcodec avutil"
3191 avresample_deps="avutil"
3192 postproc_deps="avutil gpl"
3193 swresample_deps="avutil"
3194 swscale_deps="avutil"
3197 ffmpeg_deps="avcodec avfilter avformat swresample"
3198 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
3201 ffplay_deps="avcodec avformat swscale swresample sdl2"
3202 ffplay_libs='$sdl2_libs'
3203 ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"
3204 ffprobe_deps="avcodec avformat"
3205 ffserver_deps="avformat fork sarestart"
3206 ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
3209 podpages_deps="perl"
3210 manpages_deps="perl pod2man"
3211 htmlpages_deps="perl"
3212 htmlpages_deps_any="makeinfo_html texi2html"
3213 txtpages_deps="perl makeinfo"
3214 doc_deps_any="manpages htmlpages podpages txtpages"
3216 # default parameters
3218 logfile="config.log"
3220 # installation paths
3221 prefix_default="/usr/local"
3222 bindir_default='${prefix}/bin'
3223 datadir_default='${prefix}/share/ffmpeg'
3224 docdir_default='${prefix}/share/doc/ffmpeg'
3225 incdir_default='${prefix}/include'
3226 libdir_default='${prefix}/lib'
3227 mandir_default='${prefix}/share/man'
3233 host_cc_default="gcc"
3235 doxygen_default="doxygen"
3237 ln_s_default="ln -s -f"
3240 pkg_config_default=pkg-config
3241 ranlib_default="ranlib"
3242 strip_default="strip"
3243 version_script='--version-script'
3244 yasmexe_default="yasm"
3245 windres_default="windres"
3248 target_os_default=$(tolower $(uname -s))
3249 host_os=$target_os_default
3252 if test "$target_os_default" = aix; then
3253 arch_default=$(uname -p)
3254 strip_default="strip -X32_64"
3256 arch_default=$(uname -m)
3261 # configurable options
3262 enable $PROGRAM_LIST
3263 enable $DOCUMENT_LIST
3264 enable $EXAMPLE_LIST
3265 enable $(filter_out avresample $LIBRARY_LIST)
3271 enable faan faandct faanidct
3272 enable optimizations
3273 enable runtime_cpudetect
3274 enable safe_bitstream_reader
3276 enable swscale_alpha
3277 enable valgrind_backtrace
3279 sws_max_filter_size_default=256
3280 set_default sws_max_filter_size
3283 SHFLAGS='-shared -Wl,-soname,$$(@F)'
3286 FULLNAME='$(NAME)$(BUILDSUF)'
3287 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
3290 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
3291 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
3292 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
3293 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
3294 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
3295 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
3296 VERSION_SCRIPT_POSTPROCESS_CMD="cat"
3321 host_cflags_filter=echo
3322 host_ldflags_filter=echo
3324 target_path='$(CURDIR)'
3326 # since the object filename is not given with the -MM flag, the compiler
3327 # is only able to print the basename, and we must add the path ourselves
3328 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>/dev/null | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(@F),$(@D)/$(@F)," > $(@:.o=.d)'
3332 if test -f configure; then
3335 source_path=$(cd $(dirname "$0"); pwd)
3336 case "$source_path" in
3337 *[[:blank:]]*) die "Out of tree builds are impossible with whitespace in source path." ;;
3339 test -e "$source_path/config.h" &&
3340 die "Out of tree builds are impossible with config.h in source dir."
3347 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
3353 file=$source_path/$3
3354 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
3357 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
3358 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
3359 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
3360 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
3361 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
3362 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
3363 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
3364 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
3365 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
3367 find_things_extern(){
3370 file=$source_path/$3
3371 sed -n "s/^[^#]*extern.*$pattern *ff_\([^ ]*\)_$thing;/\1_$thing/p" "$file"
3374 BSF_LIST=$(find_things_extern bsf AVBitStreamFilter libavcodec/bitstream_filters.c)
3375 PROTOCOL_LIST=$(find_things_extern protocol URLProtocol libavformat/protocols.c)
3391 for n in $COMPONENT_LIST; do
3392 v=$(toupper ${n%s})_LIST
3394 eval ${n}_if_any="\$$v"
3397 enable $ARCH_EXT_LIST
3400 echo "Unknown option \"$1\"."
3401 echo "See $0 --help for available options."
3405 print_in_columns() {
3406 cols=$(expr $ncols / 24)
3407 cat | tr ' ' '\n' | sort | pr -r "-$cols" -w $ncols -t
3413 echo $* | sed s/$suffix//g | print_in_columns
3425 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
3426 echo "prob ${prob:-0.5}"
3434 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
3435 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
3444 --extra-ldexeflags=*)
3445 add_ldexeflags $optval
3447 --extra-ldlibflags=*)
3448 add_ldlibflags $optval
3451 add_extralibs $optval
3454 disable $INDEV_LIST $OUTDEV_LIST
3457 debuglevel="$optval"
3460 disable $PROGRAM_LIST
3462 --disable-everything)
3463 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3466 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3467 disable $LIBRARY_LIST $PROGRAM_LIST doc
3470 --enable-random|--disable-random)
3471 action=${opt%%-random}
3472 do_random ${action#--} $COMPONENT_LIST
3474 --enable-random=*|--disable-random=*)
3475 action=${opt%%-random=*}
3476 do_random ${action#--} $optval
3478 --enable-*=*|--disable-*=*)
3479 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
3480 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
3481 eval list=\$$(toupper $thing)_LIST
3482 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
3483 list=$(filter "$name" $list)
3484 [ "$list" = "" ] && warn "Option $opt did not match anything"
3487 --enable-?*|--disable-?*)
3488 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
3489 if is_in $option $COMPONENT_LIST; then
3490 test $action = disable && action=unset
3491 eval $action \$$(toupper ${option%s})_LIST
3492 elif is_in $option $CMDLINE_SELECT; then
3499 NAME="${opt#--list-}"
3500 is_in $NAME $COMPONENT_LIST || die_unknown $opt
3502 eval show_list $NAME \$$(toupper $NAME)_LIST
3504 --help|-h) show_help
3506 --fatal-warnings) enable fatal_warnings
3509 optname="${opt%%=*}"
3510 optname="${optname#--}"
3511 optname=$(echo "$optname" | sed 's/-/_/g')
3512 if is_in $optname $CMDLINE_SET; then
3513 eval $optname='$optval'
3514 elif is_in $optname $CMDLINE_APPEND; then
3515 append $optname "$optval"
3527 # Mark specifically enabled, but normally autodetected libraries as requested.
3528 for lib in $AUTODETECT_LIBS; do
3529 enabled $lib && request $lib
3532 # Enable platform codecs by default.
3533 enable_weak audiotoolbox
3535 # Enable hwaccels by default.
3536 enable_weak d3d11va dxva2 vaapi vda vdpau videotoolbox_hwaccel xvmc
3539 enable_weak cuda cuvid nvenc vda_framework videotoolbox videotoolbox_encoder
3541 disabled logging && logfile=/dev/null
3543 # Disable all the library-specific components if the library itself
3544 # is disabled, see AVCODEC_LIST and following _LIST variables.
3546 disable_components(){
3547 disabled ${1} && disable $(
3548 eval components="\$$(toupper ${1})_COMPONENTS"
3549 map 'eval echo \${$(toupper ${v%s})_LIST}' $components
3553 map 'disable_components $v' $LIBRARY_LIST
3555 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
3558 test -n "$valgrind" && toolchain="valgrind-memcheck"
3560 case "$toolchain" in
3562 cc_default="${toolchain%-asan}"
3563 add_cflags -fsanitize=address
3564 add_ldflags -fsanitize=address
3567 cc_default="${toolchain%-msan}"
3568 add_cflags -fsanitize=memory -fsanitize-memory-track-origins
3569 add_ldflags -fsanitize=memory
3572 cc_default="${toolchain%-tsan}"
3573 add_cflags -fsanitize=thread -fPIE
3574 add_ldflags -fsanitize=thread -pie
3575 case "$toolchain" in
3583 cc_default="${toolchain%-usan}"
3584 add_cflags -fsanitize=undefined
3585 add_ldflags -fsanitize=undefined
3588 target_exec_default="valgrind"
3589 case "$toolchain" in
3591 target_exec_args="--tool=massif --alloc-fn=av_malloc --alloc-fn=av_mallocz --alloc-fn=av_calloc --alloc-fn=av_fast_padded_malloc --alloc-fn=av_fast_malloc --alloc-fn=av_realloc_f --alloc-fn=av_fast_realloc --alloc-fn=av_realloc"
3594 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
3599 # Check whether the current MSVC version needs the C99 converter.
3600 # From MSVC 2013 (compiler major version 18) onwards, it does actually
3601 # support enough of C99 to build ffmpeg. Default to the new
3602 # behaviour if the regexp was unable to match anything, since this
3603 # successfully parses the version number of existing supported
3604 # versions that require the converter (MSVC 2010 and 2012).
3605 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
3606 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
3609 cc_default="c99wrap cl"
3611 ld_default="$source_path/compat/windows/mslink"
3612 nm_default="dumpbin -symbols"
3619 target_os_default="win32"
3620 # Use a relative path for TMPDIR. This makes sure all the
3621 # ffconf temp files are written with a relative path, avoiding
3622 # issues with msys/win32 path conversion for MSVC parameters
3623 # such as -Fo<file> or -out:<file>.
3629 nm_default="dumpbin -symbols"
3631 target_os_default="win32"
3635 add_cflags -fprofile-arcs -ftest-coverage
3636 add_ldflags -fprofile-arcs -ftest-coverage
3639 add_cflags -fprofile-arcs -ftest-coverage
3640 add_ldflags --coverage
3643 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
3644 add_cflags -fno-strict-overflow -fstack-protector-all
3645 add_ldflags -Wl,-z,relro -Wl,-z,now
3647 add_ldexeflags -fPIE -pie
3650 die "Unknown toolchain $toolchain"
3654 test -n "$cross_prefix" && enable cross_compile
3656 if enabled cross_compile; then
3657 test -n "$arch" && test -n "$target_os" ||
3658 die "Must specify target arch and OS when cross-compiling"
3661 ar_default="${cross_prefix}${ar_default}"
3662 cc_default="${cross_prefix}${cc_default}"
3663 cxx_default="${cross_prefix}${cxx_default}"
3664 nm_default="${cross_prefix}${nm_default}"
3665 pkg_config_default="${cross_prefix}${pkg_config_default}"
3666 if ${cross_prefix}${ranlib_default} 2>&1 | grep -q "\-D "; then
3667 ranlib_default="${cross_prefix}${ranlib_default} -D"
3669 ranlib_default="${cross_prefix}${ranlib_default}"
3671 strip_default="${cross_prefix}${strip_default}"
3672 windres_default="${cross_prefix}${windres_default}"
3674 sysinclude_default="${sysroot}/usr/include"
3676 set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \
3677 target_exec target_os yasmexe
3678 enabled cross_compile || host_cc_default=$cc
3681 pkg_config_fail_message=""
3682 if ! $pkg_config --version >/dev/null 2>&1; then
3683 warn "$pkg_config not found, library detection may fail."
3685 elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then
3686 pkg_config_fail_message="
3687 Note: When building a static binary, add --pkg-config-flags=\"--static\"."
3690 if test $doxygen != $doxygen_default && \
3691 ! $doxygen --version >/dev/null 2>&1; then
3692 warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."
3697 mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
3701 EXESUF=$(exesuf $target_os)
3702 HOSTEXESUF=$(exesuf $host_os)
3704 # set temporary file name
3705 : ${TMPDIR:=$TEMPDIR}
3709 if [ -n "$tempprefix" ] ; then
3711 echo $tempprefix.${HOSTNAME}.${UID}
3713 elif ! check_cmd mktemp -u XXXXXX; then
3714 # simple replacement for missing mktemp
3715 # NOT SAFE FOR GENERAL USE
3717 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
3722 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
3723 (set -C; exec > $tmp) 2>/dev/null ||
3724 die "Unable to create temporary file in $TMPDIR."
3725 append TMPFILES $tmp
3729 trap 'rm -f -- $TMPFILES' EXIT
3734 tmpfile TMPE $EXESUF
3746 # make sure we can execute files in $TMPDIR
3747 cat > $TMPSH 2>> $logfile <<EOF
3750 chmod +x $TMPSH >> $logfile 2>&1
3751 if ! $TMPSH >> $logfile 2>&1; then
3753 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
3754 variable to another directory and make sure that it is not mounted noexec.
3756 die "Sanity test failed."
3762 # Filter out MSVC cl.exe options from cflags that shouldn't
3763 # be passed to gas-preprocessor
3773 -std=c99) echo -c99 ;;
3774 -mcpu=*) echo -arch ${flag#*=} ;;
3775 -mieee) echo -ieee ;;
3776 -O*|-fast) echo $flag ;;
3777 -fno-math-errno) echo -assume nomath_errno ;;
3779 -Wall) echo -msg_enable level2 ;;
3780 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
3781 -Wl,*) echo $flag ;;
3791 -Wno-switch) echo -Wno-switch-enum ;;
3792 -Wno-format-zero-length) ;;
3793 -Wdisabled-optimization) ;;
3794 -Wno-pointer-sign) echo -Wno-other ;;
3800 msvc_common_flags(){
3803 # In addition to specifying certain flags under the compiler
3804 # specific filters, they must be specified here as well or else the
3805 # generic catch all at the bottom will print the original flag.
3809 -fomit-frame-pointer) ;;
3813 -fno-signed-zeros) ;;
3817 -lz) echo zlib.lib ;;
3818 -lavifil32) echo vfw32.lib ;;
3819 -lavicap32) echo vfw32.lib user32.lib ;;
3820 -lx264) echo libx264.lib ;;
3821 -l*) echo ${flag#-l}.lib ;;
3822 -LARGEADDRESSAWARE) echo $flag ;;
3823 -L*) echo -libpath:${flag#-L} ;;
3830 msvc_common_flags "$@"
3833 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
3834 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
3835 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
3837 -wd4273 -wd4554 -wd4701 ;;
3843 msvc_common_flags "$@"
3846 # Despite what Intel's documentation says -Wall, which is supported
3847 # on Windows, does enable remarks so disable them here.
3848 -Wall) echo $flag -Qdiag-disable:remark ;;
3849 -std=c99) echo -Qstd=c99 ;;
3867 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
3868 -fomit-frame-pointer) echo -Mnoframe ;;
3879 case "${flag#*=}" in
3880 native) echo -xtarget=native ;;
3881 v9|niagara) echo -xarch=sparc ;;
3882 ultrasparc) echo -xarch=sparcvis ;;
3883 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
3884 i586|pentium) echo -xchip=pentium ;;
3885 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
3886 pentium3*|c3-2) echo -xtarget=pentium3 ;;
3887 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
3888 pentium4*) echo -xtarget=pentium4 ;;
3889 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
3890 *-sse3) echo -xarch=sse3 ;;
3891 core2) echo -xarch=ssse3 -xchip=core2 ;;
3892 bonnell) echo -xarch=ssse3 ;;
3893 corei7|nehalem) echo -xtarget=nehalem ;;
3894 westmere) echo -xtarget=westmere ;;
3895 silvermont) echo -xarch=sse4_2 ;;
3896 corei7-avx|sandybridge) echo -xtarget=sandybridge ;;
3897 core-avx*|ivybridge|haswell|broadwell|skylake*|knl)
3899 amdfam10|barcelona) echo -xtarget=barcelona ;;
3900 btver1) echo -xarch=amdsse4a ;;
3901 btver2|bdver*|znver*) echo -xarch=avx ;;
3902 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
3903 k8|opteron|athlon64|athlon-fx)
3904 echo -xarch=sse2a ;;
3905 athlon*) echo -xarch=pentium_proa ;;
3908 -std=c99) echo -xc99 ;;
3909 -fomit-frame-pointer) echo -xregs=frameptr ;;
3910 -fPIC) echo -KPIC -xcode=pic32 ;;
3911 -W*,*) echo $flag ;;
3912 -f*-*|-W*|-mimpure-text) ;;
3923 case "${flag#*=}" in
3924 armv7-a|cortex-a*) echo -mv=7a8 ;;
3925 armv7-r|cortex-r*) echo -mv=7r4 ;;
3926 armv7-m|cortex-m*) echo -mv=7m3 ;;
3927 armv6*|arm11*) echo -mv=6 ;;
3928 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
3930 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
3933 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
3934 -mfpu=vfp) echo --float_support=vfpv2 ;;
3935 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
3936 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
3937 -msoft-float) echo --float_support=vfplib ;;
3938 -O[0-3]|-mf=*) echo $flag ;;
3940 -pds=*) echo $flag ;;
3941 -D*|-I*) echo $flag ;;
3942 --gcc|--abi=*) echo $flag ;;
3953 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
3954 unset _ld_o _ldflags _ld_lib _ld_path
3955 unset _depflags _DEPCMD _DEPFLAGS
3958 if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
3959 true # no-op to avoid reading stdin in following checks
3960 elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
3962 gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')
3963 _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"
3964 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3967 elif $_cc -v 2>&1 | grep -qi ^gcc; then
3969 gcc_version=$($_cc --version | head -n1)
3970 gcc_basever=$($_cc -dumpversion)
3971 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
3972 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
3973 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
3974 case $gcc_basever in
3977 *) _depflags='-MMD -MF $(@:.o=.d) -MT $@' ;;
3979 if [ "$first" = true ]; then
3980 case $gcc_basever in
3982 warn "gcc 4.2 is outdated and may miscompile FFmpeg. Please use a newer compiler." ;;
3987 elif $_cc --version 2>/dev/null | grep -q ^icc; then
3989 _ident=$($_cc --version | head -n1)
3994 _flags_filter=icc_flags
3995 elif $_cc -v 2>&1 | grep -q xlc; then
3997 _ident=$($_cc -qversion 2>/dev/null | head -n1)
3999 _cflags_size='-O5 -qcompact'
4000 elif $_cc -V 2>/dev/null | grep -q Compaq; then
4002 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
4004 _cflags_speed='-fast'
4006 _flags_filter=ccc_flags
4007 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
4008 test -d "$sysroot" || die "No valid sysroot specified."
4010 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
4011 armcc_conf="$PWD/armcc.conf"
4012 $_cc --arm_linux_configure \
4013 --arm_linux_config_file="$armcc_conf" \
4014 --configure_sysroot="$sysroot" \
4015 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
4016 die "Error creating armcc configuration file."
4017 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
4018 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
4019 as_default="${cross_prefix}gcc"
4023 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
4025 _ident=$($_cc -version | head -n1 | tr -s ' ')
4026 _flags='--gcc --abi=eabi -me'
4029 _depflags='-ppa -ppd=$(@:.o=.d)'
4030 _cflags_speed='-O3 -mf=5'
4031 _cflags_size='-O3 -mf=2'
4032 _flags_filter=tms470_flags
4033 elif $_cc -v 2>&1 | grep -q clang; then
4035 _ident=$($_cc --version 2>/dev/null | head -n1)
4036 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4039 elif $_cc -V 2>&1 | grep -q Sun; then
4041 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
4042 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
4043 _DEPFLAGS='-xM1 -xc99'
4046 _cflags_size='-O5 -xspace'
4047 _flags_filter=suncc_flags
4048 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
4050 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
4051 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4054 _flags_filter='filter_out -Wdisabled-optimization'
4055 elif $_cc -v 2>&1 | grep -q Open64; then
4057 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
4058 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4061 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
4062 elif $_cc -V 2>&1 | grep -q Portland; then
4064 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
4065 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
4066 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
4067 _cflags_size="-O2 -Munroll=c:1 $opt_common"
4069 _flags_filter=pgi_flags
4070 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
4072 _ident=$($_cc | head -n1)
4073 # 4509: "This form of conditional instruction is deprecated"
4074 _flags="-nologo -ignore 4509"
4075 _flags_filter=armasm_flags
4076 elif $_cc 2>&1 | grep -q Intel; then
4078 _ident=$($_cc 2>&1 | head -n1)
4079 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
4080 # Not only is O3 broken on 13.x+ but it is slower on all previous
4081 # versions (tested) as well.
4083 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
4084 if $_cc 2>&1 | grep -q Linker; then
4091 _flags_filter=icl_flags
4093 _ld_path='-libpath:'
4094 # -Qdiag-error to make icl error when seeing certain unknown arguments
4095 _flags='-nologo -Qdiag-error:4044,10157'
4096 # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency
4097 # with MSVC which enables it by default.
4098 _cflags='-Qms0 -Qvec- -Qsimd- -GS -fp:precise'
4100 elif $_cc -? 2>/dev/null | grep -q 'LLVM.*Linker'; then
4101 # lld can emulate multiple different linkers; in ms link.exe mode,
4102 # the -? parameter gives the help output which contains an identifyable
4103 # string, while it gives an error in other modes.
4105 # The link.exe mode doesn't have a switch for getting the version,
4106 # but we can force it back to gnu mode and get the version from there.
4107 _ident=$($_cc -flavor gnu --version)
4109 _flags_filter=msvc_flags
4111 _ld_path='-libpath:'
4112 elif $_cc -nologo- 2>&1 | grep -q Microsoft; then
4114 _ident=$($_cc 2>&1 | head -n1)
4115 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
4116 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
4119 if $_cc -nologo- 2>&1 | grep -q Linker; then
4126 _flags_filter=msvc_flags
4128 _ld_path='-libpath:'
4131 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
4133 _ident=$($_cc --version | head -n1)
4137 _flags_filter=cparser_flags
4140 eval ${pfx}_type=\$_type
4141 eval ${pfx}_ident=\$_ident
4145 eval ${1}_C=\${_cc_c-\${${1}_C}}
4146 eval ${1}_E=\${_cc_e-\${${1}_E}}
4147 eval ${1}_O=\${_cc_o-\${${1}_O}}
4149 if [ -n "$_depflags" ]; then
4150 eval ${1}_DEPFLAGS=\$_depflags
4152 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
4153 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
4154 eval DEP${1}FLAGS=\$_flags
4158 probe_cc cc "$cc" "true"
4159 cflags_filter=$_flags_filter
4160 cflags_speed=$_cflags_speed
4161 cflags_size=$_cflags_size
4162 cflags_noopt=$_cflags_noopt
4163 add_cflags $_flags $_cflags
4164 cc_ldflags=$_ldflags
4167 probe_cc hostcc "$host_cc"
4168 host_cflags_filter=$_flags_filter
4169 add_host_cflags $_flags $_cflags
4172 test -n "$cc_type" && enable $cc_type ||
4173 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
4175 : ${as_default:=$cc}
4176 : ${objcc_default:=$cc}
4177 : ${dep_cc_default:=$cc}
4178 : ${ld_default:=$cc}
4179 : ${host_ld_default:=$host_cc}
4180 set_default ar as objcc dep_cc ld ln_s host_ld windres
4183 asflags_filter=$_flags_filter
4184 add_asflags $_flags $_cflags
4187 probe_cc objcc "$objcc"
4188 objcflags_filter=$_flags_filter
4189 add_objcflags $_flags $_cflags
4193 ldflags_filter=$_flags_filter
4194 add_ldflags $_flags $_ldflags
4195 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
4197 LD_LIB=${_ld_lib-$LD_LIB}
4198 LD_PATH=${_ld_path-$LD_PATH}
4200 probe_cc hostld "$host_ld"
4201 host_ldflags_filter=$_flags_filter
4202 add_host_ldflags $_flags $_ldflags
4203 HOSTLD_O=${_ld_o-$HOSTLD_O}
4205 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
4206 probe_cc depcc "$dep_cc"
4207 CCDEP=${_DEPCMD:-$DEPCMD}
4208 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
4212 if $ar 2>&1 | grep -q Microsoft; then
4215 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
4218 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
4219 arflags='-Xany -r -c'
4221 elif $ar 2>&1 | grep -q "\[D\] "; then
4229 add_cflags $extra_cflags
4230 add_cxxflags $extra_cxxflags
4231 add_objcflags $extra_objcflags
4232 add_asflags $extra_cflags
4234 if test -n "$sysroot"; then
4237 add_cppflags --sysroot="$sysroot"
4238 add_ldflags --sysroot="$sysroot"
4239 # On Darwin --sysroot may be ignored, -isysroot always affects headers and linking
4240 add_cppflags -isysroot "$sysroot"
4241 add_ldflags -isysroot "$sysroot"
4244 add_cppflags -I"$sysinclude"
4245 add_ldflags --sysroot="$sysroot"
4250 if test "$cpu" = host; then
4251 enabled cross_compile &&
4252 die "--cpu=host makes no sense when cross-compiling."
4257 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
4259 s/.*$1=\\([^ ]*\\).*/\\1/
4264 cpu=$(check_native -march || check_native -mcpu)
4268 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
4269 sed -n "/cc1.*-target-cpu /{
4270 s/.*-target-cpu \\([^ ]*\\).*/\\1/
4275 cpu=$(check_native -march)
4279 test "${cpu:-host}" = host &&
4280 die "--cpu=host not supported with compiler $cc"
4283 # Deal with common $arch aliases
4307 "Power Macintosh"|ppc*|powerpc*)
4322 i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
4327 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
4330 # Add processor-specific flags
4331 if enabled aarch64; then
4335 cpuflags="-march=$cpu"
4338 cpuflags="-mcpu=$cpu"
4342 elif enabled alpha; then
4344 cpuflags="-mcpu=$cpu"
4346 elif enabled arm; then
4349 check_cpp_condition stddef.h \
4350 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
4355 if check_arm_arch 4; then echo armv4
4356 elif check_arm_arch 4T; then echo armv4t
4357 elif check_arm_arch 5; then echo armv5
4358 elif check_arm_arch 5E; then echo armv5e
4359 elif check_arm_arch 5T; then echo armv5t
4360 elif check_arm_arch 5TE; then echo armv5te
4361 elif check_arm_arch 5TEJ; then echo armv5te
4362 elif check_arm_arch 6; then echo armv6
4363 elif check_arm_arch 6J; then echo armv6j
4364 elif check_arm_arch 6K; then echo armv6k
4365 elif check_arm_arch 6Z; then echo armv6z
4366 elif check_arm_arch 6ZK; then echo armv6zk
4367 elif check_arm_arch 6T2; then echo armv6t2
4368 elif check_arm_arch 7; then echo armv7
4369 elif check_arm_arch 7A 7_A; then echo armv7-a
4370 elif check_arm_arch 7S; then echo armv7-a
4371 elif check_arm_arch 7R 7_R; then echo armv7-r
4372 elif check_arm_arch 7M 7_M; then echo armv7-m
4373 elif check_arm_arch 7EM 7E_M; then echo armv7-m
4374 elif check_arm_arch 8A 8_A; then echo armv8-a
4378 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
4382 cpuflags="-march=$cpu"
4383 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
4386 cpuflags="-mcpu=$cpu"
4388 cortex-a*) subarch=armv7a ;;
4389 cortex-r*) subarch=armv7r ;;
4390 cortex-m*) enable thumb; subarch=armv7m ;;
4391 arm11*) subarch=armv6 ;;
4392 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
4393 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
4394 *) subarch=$(probe_arm_arch) ;;
4400 armv5t*) enable fast_clz ;;
4403 disabled fast_unaligned || enable fast_unaligned
4407 elif enabled avr32; then
4412 cpuflags="-mpart=$cpu"
4416 cpuflags="-march=$cpu"
4420 cpuflags="-mcpu=$cpu"
4424 cpuflags="-march=$cpu"
4428 elif enabled bfin; then
4430 cpuflags="-mcpu=$cpu"
4432 elif enabled mips; then
4434 cpuflags="-march=$cpu"
4436 if [ "$cpu" != "generic" ]; then
4446 24kc|24kf*|24kec|34kc|1004kc|24kef*|34kf*|1004kf*|74kc|74kf)
4457 enable local_aligned_8 local_aligned_16 local_aligned_32
4458 enable simd_align_16
4462 enable fast_unaligned
4463 disable aligned_stack
4469 cpuflags="-march=loongson3a -mhard-float -fno-expensive-optimizations"
4472 cpuflags="-march=loongson2e -mhard-float -fno-expensive-optimizations"
4475 cpuflags="-march=loongson2f -mhard-float -fno-expensive-optimizations"
4480 # Unknown CPU. Disable everything.
4481 warn "unknown CPU. Disabling all MIPS optimizations."
4504 24kef*|34kf*|1004kf*)
4512 check_cflags "-mtune=p5600" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops"
4516 check_cflags "-mtune=i6400 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64"
4520 check_cflags "-mtune=p6600 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64"
4524 # We do not disable anything. Is up to the user to disable the unwanted features.
4525 warn 'generic cpu selected'
4528 elif enabled ppc; then
4532 case $(tolower $cpu) in
4533 601|ppc601|powerpc601)
4534 cpuflags="-mcpu=601"
4537 603*|ppc603*|powerpc603*)
4538 cpuflags="-mcpu=603"
4541 604*|ppc604*|powerpc604*)
4542 cpuflags="-mcpu=604"
4545 g3|75*|ppc75*|powerpc75*)
4546 cpuflags="-mcpu=750"
4549 g4|745*|ppc745*|powerpc745*)
4550 cpuflags="-mcpu=7450"
4553 74*|ppc74*|powerpc74*)
4554 cpuflags="-mcpu=7400"
4557 g5|970|ppc970|powerpc970)
4558 cpuflags="-mcpu=970"
4562 cpuflags="-mcpu=$cpu"
4566 cpuflags="-mcpu=$cpu"
4569 cpuflags="-mcpu=cell"
4574 cpuflags="-mcpu=e500mc"
4578 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
4583 cpuflags="-mcpu=8540 -mhard-float"
4589 elif enabled sparc; then
4592 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
4593 cpuflags="-mcpu=$cpu"
4595 ultrasparc*|niagara[234])
4596 cpuflags="-mcpu=$cpu"
4600 elif enabled x86; then
4604 cpuflags="-march=$cpu"
4608 # targets that do NOT support nopl and conditional mov (cmov)
4609 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
4610 cpuflags="-march=$cpu"
4613 # targets that do support nopl and conditional mov (cmov)
4614 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\
4615 |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|skylake*|knl\
4616 |amdfam10|barcelona|b[dt]ver*|znver*)
4617 cpuflags="-march=$cpu"
4621 # targets that do support conditional mov but on which it's slow
4622 pentium4|pentium4m|prescott|nocona)
4623 cpuflags="-march=$cpu"
4631 if [ "$cpu" != generic ]; then
4632 add_cflags $cpuflags
4633 add_asflags $cpuflags
4634 test "$cc_type" = "$ld_type" && add_ldflags $cpuflags
4637 # compiler sanity check
4639 int main(void){ return 0; }
4641 if test "$?" != 0; then
4642 echo "$cc is unable to create an executable file."
4643 if test -z "$cross_prefix" && ! enabled cross_compile ; then
4644 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
4645 echo "Only do this if you know what cross compiling means."
4647 die "C compiler test failed."
4650 add_cppflags -D_ISOC99_SOURCE
4651 add_cxxflags -D__STDC_CONSTANT_MACROS
4652 add_cxxflags -std=c++98
4654 # some compilers silently accept -std=c11, so we also need to check that the
4655 # version macro is defined properly
4656 if test_cflags_cc -std=c11 ctype.h "__STDC_VERSION__ >= 201112L"; then
4659 check_cflags -std=c99
4662 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
4665 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
4669 add_host_cppflags -D_ISOC99_SOURCE
4670 check_host_cflags -std=c99
4671 check_host_cflags -Wall
4672 check_host_cflags -O3
4678 check_code cc "" "int test[2*($expr) - 1]" &&
4679 subarch=$arch64 || subarch=$arch32
4687 check_64bit mips mips64 '_MIPS_SIM > 1'
4691 check_64bit parisc parisc64 'sizeof(void *) > 4'
4695 check_64bit ppc ppc64 'sizeof(void *) > 4'
4699 check_64bit s390 s390x 'sizeof(void *) > 4'
4703 check_64bit sparc sparc64 'sizeof(void *) > 4'
4707 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
4708 # Treat x32 as x64 for now. Note it also needs spic=$shared
4709 test "$subarch" = "x86_32" && check_cpp_condition stddef.h 'defined(__x86_64__)' &&
4711 if test "$subarch" = "x86_64"; then
4716 check_cc <<EOF && subarch="ppc64"
4717 int test[(int)sizeof(char*) - 7];
4723 enabled spic && enable_weak pic
4729 add_cppflags '-I\$(SRC_PATH)/compat/aix'
4730 enabled shared && add_ldflags -Wl,-brtl
4734 enable section_data_rel_ro
4735 SLIB_INSTALL_NAME='$(SLIBNAME)'
4737 SHFLAGS='-shared -Wl,-soname,$(SLIBNAME)'
4740 prefix_default="/boot/common"
4741 network_extralibs="-lnetwork"
4745 SHFLAGS='-shared -Wl,-h,$$(@F)'
4746 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
4747 network_extralibs="-lsocket -lnsl"
4748 add_cppflags -D__EXTENSIONS__
4749 # When using suncc to build, the Solaris linker will mark
4750 # an executable with each instruction set encountered by
4751 # the Solaris assembler. As our libraries contain their own
4752 # guards for processor-specific code, instead suppress
4753 # generation of the HWCAPS ELF section on Solaris x86 only.
4754 enabled_all suncc x86 &&
4755 echo "hwcap_1 = OVERRIDE;" > mapfile &&
4756 add_ldflags -Wl,-M,mapfile
4757 nm_default='nm -P -g'
4759 VERSION_SCRIPT_POSTPROCESS_CMD='perl $(SRC_PATH)/compat/solaris/make_sunver.pl - $(OBJS)'
4763 oss_indev_extralibs="-lossaudio"
4764 oss_outdev_extralibs="-lossaudio"
4765 enabled gcc || check_ldflags -Wl,-zmuldefs
4770 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
4772 oss_indev_extralibs="-lossaudio"
4773 oss_outdev_extralibs="-lossaudio"
4781 add_extralibs -lpoll -lgnugetopt
4785 enabled ppc && add_asflags -force_cpusubtype_ALL
4786 install_name_dir_default='$(SHLIBDIR)'
4787 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(INSTALL_NAME_DIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
4788 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
4790 add_ldflags -Wl,-dynamic,-search_paths_first
4792 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
4793 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
4795 enabled x86_64 && objformat="macho64"
4796 enabled_any pic shared x86_64 ||
4797 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
4798 check_header dispatch/dispatch.h &&
4799 add_cppflags '-I\$(SRC_PATH)/compat/dispatch_semaphore'
4800 version_script='-exported_symbols_list'
4801 VERSION_SCRIPT_POSTPROCESS_CMD='tr " " "\n" | sed -n /global:/,/local:/p | grep ";" | tr ";" "\n" | sed -E "s/(.+)/_\1/g" | sed -E "s/(.+[^*])$$$$/\1*/"'
4804 die "Native MSYS builds are discouraged, please use the MINGW environment."
4807 if test $target_os = "mingw32ce"; then
4812 decklink_outdev_extralibs="$decklink_outdev_extralibs -lole32 -loleaut32"
4813 decklink_indev_extralibs="$decklink_indev_extralibs -lole32 -loleaut32"
4815 if enabled x86_64; then
4816 LIBTARGET="i386:x86-64"
4817 elif enabled arm; then
4820 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
4821 enabled x86_32 && check_ldflags -Wl,--large-address-aware
4822 shlibdir_default="$bindir_default"
4825 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4826 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4827 dlltool="${cross_prefix}dlltool"
4828 if check_cmd lib.exe -list; then
4829 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe -nologo -machine:$(LIBTARGET) -def:$$(@:$(SLIBSUF)=.def) -out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4830 if enabled x86_64; then
4833 elif check_cmd $dlltool --version; then
4834 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
4836 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4838 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4839 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4840 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--disable-auto-image-base'
4844 check_ldflags -Wl,--nxcompat,--dynamicbase
4845 # Lets work around some stupidity in binutils.
4846 # ld will strip relocations from executables even though we need them
4847 # for dynamicbase (ASLR). Using -pie does retain the reloc section
4848 # however ld then forgets what the entry point should be (oops) so we
4849 # have to manually (re)set it.
4850 if enabled x86_32; then
4851 disabled debug && add_ldexeflags -Wl,--pic-executable,-e,_mainCRTStartup
4852 elif enabled x86_64; then
4853 disabled debug && add_ldexeflags -Wl,--pic-executable,-e,mainCRTStartup
4854 check_ldflags -Wl,--high-entropy-va # binutils 2.25
4855 # Set image base >4GB for extra entropy with HEASLR
4856 add_ldexeflags -Wl,--image-base,0x140000000
4857 append SHFLAGS -Wl,--image-base,0x180000000
4862 if enabled shared; then
4863 # Link to the import library instead of the normal static library
4866 # Cannot build both shared and static libs with MSVC or icl.
4869 enabled x86_32 && check_ldflags -LARGEADDRESSAWARE
4870 shlibdir_default="$bindir_default"
4873 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4874 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4875 SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
4876 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4878 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4879 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4880 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4887 shlibdir_default="$bindir_default"
4890 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4891 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4892 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4894 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
4895 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
4898 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
4899 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4901 *-dos|freedos|opendos)
4902 network_extralibs="-lsocket"
4905 add_cppflags -U__STRICT_ANSI__
4909 enable section_data_rel_ro
4913 ranlib="echo ignoring ranlib"
4918 add_cppflags -D_GNU_SOURCE
4919 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
4920 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
4924 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4925 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(FULLNAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
4926 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(FULLNAME).def; \
4927 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(FULLNAME).def; \
4928 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(FULLNAME).def; \
4929 echo EXPORTS >> $(SUBDIR)$(FULLNAME).def; \
4930 emxexp $(OBJS) >> $(SUBDIR)$(FULLNAME).def'
4931 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(FULLNAME)_dll.a $(SUBDIR)$(FULLNAME).def; \
4932 emximp -o $(SUBDIR)$(LIBPREF)$(FULLNAME)_dll.lib $(SUBDIR)$(FULLNAME).def;'
4933 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4935 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(FULLNAME)_dll.a $(LIBPREF)$(FULLNAME)_dll.lib'
4937 enable_weak os2threads
4940 add_cppflags -D_BSD_SOURCE
4945 add_cppflags -D_QNX_SOURCE
4946 network_extralibs="-lsocket"
4951 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
4952 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
4953 add_ldflags -Wl,--target1-abs,--no-undefined \
4954 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
4955 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
4956 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
4957 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
4958 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
4961 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
4966 add_cppflags -D_C99_SNPRINTF_EXTENSION \
4967 -D_REENTRANT_SOURCE \
4968 -D_RESEARCH_SOURCE \
4971 add_compat strtod.o strtod=avpriv_strtod
4972 network_extralibs='-lbsd'
4973 exeobjs=compat/plan9/main.o
4980 die "Unknown OS '$target_os'."
4984 # test if creating links works
4985 link_dest=$(mktemp -u $TMPDIR/dest_XXXXXXXX)
4986 link_name=$(mktemp -u $TMPDIR/name_XXXXXXXX)
4988 $ln_s "$link_dest" "$link_name"
4989 touch "$link_dest/test_file"
4990 if [ "$source_path" != "." ] && ([ ! -d src ] || [ -L src ]) && [ -e "$link_name/test_file" ]; then
4991 # create link to source path
4992 [ -e src ] && rm src
4993 $ln_s "$source_path" src
4996 # creating directory links doesn't work
4997 # fall back to using the full source path
4998 source_link="$source_path"
5004 # determine libc flavour
5009 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
5010 if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
5011 eval ${pfx}libc_type=uclibc
5012 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
5013 elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then
5014 eval ${pfx}libc_type=glibc
5015 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
5016 # MinGW headers can be installed on Cygwin, so check for newlib first.
5017 elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
5018 eval ${pfx}libc_type=newlib
5019 add_${pfx}cppflags -U__STRICT_ANSI__
5020 # MinGW64 is backwards compatible with MinGW32, so check for it first.
5021 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
5022 eval ${pfx}libc_type=mingw64
5023 if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then
5024 add_compat msvcrt/snprintf.o
5025 add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
5027 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
5028 eval test \$${pfx_no_}cc_type = "gcc" &&
5029 add_${pfx}cppflags -D__printf__=__gnu_printf__
5030 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" ||
5031 check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
5032 eval ${pfx}libc_type=mingw32
5033 check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
5034 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
5035 die "ERROR: MinGW32 runtime version must be >= 3.15."
5036 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
5037 check_${pfx}cpp_condition _mingw.h "defined(_WIN32_WINNT) && _WIN32_WINNT >= 0x0502" ||
5038 add_${pfx}cppflags -D_WIN32_WINNT=0x0502
5039 check_${pfx}cpp_condition _mingw.h "__MSVCRT_VERSION__ < 0x0700__" &&
5040 add_${pfx}cppflags -D__MSVCRT_VERSION__=0x0700
5041 eval test \$${pfx_no_}cc_type = "gcc" &&
5042 add_${pfx}cppflags -D__printf__=__gnu_printf__
5043 elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
5044 eval ${pfx}libc_type=msvcrt
5045 if check_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then
5046 if [ "$pfx" = host_ ]; then
5047 add_host_cppflags -Dsnprintf=_snprintf
5049 add_compat strtod.o strtod=avpriv_strtod
5050 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
5051 _snprintf=avpriv_snprintf \
5052 vsnprintf=avpriv_vsnprintf
5055 add_${pfx}cppflags -D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS
5056 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
5057 # 0x601 by default unless something else is set by the user.
5058 # This can easily lead to us detecting functions only present
5059 # in such new versions and producing binaries requiring windows 7.0.
5060 # Therefore explicitly set the default to XP unless the user has
5061 # set something else on the command line.
5062 # Don't do this if WINAPI_FAMILY is set and is set to a non-desktop
5063 # family. For these cases, configure is free to use any functions
5064 # found in the SDK headers by default. (Alternatively, we could force
5065 # _WIN32_WINNT to 0x0602 in that case.)
5066 check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||
5067 { check_${pfx}cpp <<EOF && add_${pfx}cppflags -D_WIN32_WINNT=0x0502; }
5068 #ifdef WINAPI_FAMILY
5069 #include <winapifamily.h>
5070 #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
5075 if [ "$pfx" = "" ]; then
5076 check_func strtoll || add_cflags -Dstrtoll=_strtoi64
5077 check_func strtoull || add_cflags -Dstrtoull=_strtoui64
5079 elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
5080 eval ${pfx}libc_type=klibc
5081 elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then
5082 eval ${pfx}libc_type=bionic
5083 elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then
5084 eval ${pfx}libc_type=solaris
5085 add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
5087 check_${pfx}cc <<EOF
5089 void *v = localtime_r;
5091 test "$?" != 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
5093 void *v = localtime_r;
5099 test -n "$libc_type" && enable libc_$libc_type
5101 test -n "$host_libc_type" && enable host_libc_$host_libc_type
5105 add_compat strtod.o strtod=avpriv_strtod
5109 # hacks for compiler/libc/os combinations
5111 if enabled_all tms470 libc_glibc; then
5112 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
5113 add_cppflags -D__USER_LABEL_PREFIX__=
5114 add_cppflags -D__builtin_memset=memset
5115 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
5116 add_cflags -pds=48 # incompatible redefinition of macro
5119 if enabled_all ccc libc_glibc; then
5120 add_ldflags -Wl,-z,now # calls to libots crash without this
5123 check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||
5124 add_cppflags '-I\$(SRC_PATH)/compat/float'
5127 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
5130 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
5132 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
5135 : ${shlibdir_default:="$libdir"}
5136 : ${pkgconfigdir_default:="$libdir/pkgconfig"}
5138 set_default $PATHS_LIST
5141 # we need to build at least one lib type
5142 if ! enabled_any static shared; then
5144 At least one library type must be built.
5145 Specify --enable-static to build the static libraries or --enable-shared to
5146 build the shared libraries as well. To only build the shared libraries specify
5147 --disable-static in addition to --enable-shared.
5152 die_license_disabled() {
5153 enabled $1 || { enabled $v && die "$v is $1 and --enable-$1 is not specified."; }
5156 die_license_disabled_gpl() {
5157 enabled $1 || { enabled $v && die "$v is incompatible with the gpl and --enable-$1 is not specified."; }
5160 map "die_license_disabled gpl" $EXTERNAL_LIBRARY_GPL_LIST $EXTERNAL_LIBRARY_GPLV3_LIST
5161 map "die_license_disabled version3" $EXTERNAL_LIBRARY_VERSION3_LIST $EXTERNAL_LIBRARY_GPLV3_LIST
5163 enabled gpl && map "die_license_disabled_gpl nonfree" $EXTERNAL_LIBRARY_NONFREE_LIST
5164 map "die_license_disabled nonfree" $HWACCEL_LIBRARY_NONFREE_LIST
5166 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
5168 disabled optimizations || check_cflags -fomit-frame-pointer
5171 disabled pic && return
5174 case "$target_os" in
5184 enabled pic && enable_weak_pic
5186 check_cc <<EOF || die "Symbol mangling check failed."
5189 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
5190 extern_prefix=${sym%%ff_extern*}
5192 check_cc <<EOF && enable_weak inline_asm
5193 void foo(void) { __asm__ volatile ("" ::); }
5197 for restrict_keyword in restrict __restrict__ __restrict; do
5198 check_cc <<EOF && _restrict=$restrict_keyword && break
5199 void foo(char * $restrict_keyword p);
5203 check_cc <<EOF && enable pragma_deprecated
5204 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
5207 check_cc <<EOF && enable attribute_packed
5208 struct { int x; } __attribute__((packed)) x;
5211 check_cc <<EOF && enable attribute_may_alias
5212 union { int x; } __attribute__((may_alias)) x;
5215 check_cc <<EOF || die "endian test failed"
5216 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
5218 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
5220 if ! enabled ppc64 || enabled bigendian; then
5225 log "check_gas using '$as' as AS"
5226 # :vararg is used on aarch64, arm and ppc altivec
5227 check_as <<EOF || return 1
5228 .macro m n, y:vararg=0
5233 # .altmacro is only used in arm asm
5234 ! enabled arm || check_as <<EOF || return 1
5241 if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then
5243 enabled_any arm aarch64 && nogas=die
5244 enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn
5248 arm*) gaspp_as_type=armasm; as_noop=-h ;;
5249 gcc) gaspp_as_type=gas ;;
5250 *) gaspp_as_type=$as_type ;;
5253 [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"
5255 test "${as#*gas-preprocessor.pl}" != "$as" ||
5256 check_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- ${as:=$cc} $as_noop &&
5257 gas="${gas:=gas-preprocessor.pl} -arch $arch -as-type $gaspp_as_type -- ${as:=$cc}"
5259 if ! check_gas ; then
5262 $nogas "GNU assembler not found, install/update gas-preprocessor"
5265 check_as <<EOF && enable as_func
5271 check_inline_asm inline_asm_labels '"1:\n"'
5273 check_inline_asm inline_asm_nonlocal_labels '"Label:\n"'
5275 if enabled aarch64; then
5276 enabled armv8 && check_insn armv8 'prfm pldl1strm, [x0]'
5277 # internal assembler in clang 3.3 does not support this instruction
5278 enabled neon && check_insn neon 'ext v0.8B, v0.8B, v1.8B, #1'
5279 enabled vfp && check_insn vfp 'fmadd d0, d0, d1, d2'
5281 map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM
5283 elif enabled alpha; then
5287 elif enabled arm; then
5289 enabled msvc && check_cpp_condition stddef.h "defined _M_ARMT" && enable thumb
5291 check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb
5292 float func(float a, float b){ return a+b; }
5295 enabled thumb && check_cflags -mthumb || check_cflags -marm
5297 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
5299 elif check_cpp_condition stddef.h "defined _M_ARM_FP && _M_ARM_FP >= 30"; then
5301 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__" && [ $target_os != darwin ]; then
5302 case "${cross_prefix:-$cc}" in
5303 *hardfloat*) enable vfp_args; fpabi=vfp ;;
5304 *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
5305 __asm__ (".eabi_attribute 28, 1");
5306 int main(void) { return 0; }
5309 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
5312 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
5313 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
5314 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
5315 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
5316 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
5317 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
5318 enabled setend && check_insn setend 'setend be'
5320 [ $target_os = linux ] || [ $target_os = android ] ||
5321 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
5324 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
5326 check_as <<EOF && enable as_dn_directive
5330 check_as <<EOF && enable as_fpu_directive
5334 # llvm's integrated assembler supports .object_arch from llvm 3.5
5335 [ "$objformat" = elf ] && check_as <<EOF && enable as_object_arch
5339 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
5341 elif enabled mips; then
5343 enabled loongson2 && check_inline_asm loongson2 '"dmult.g $8, $9, $10"'
5344 enabled loongson3 && check_inline_asm loongson3 '"gsldxc1 $f0, 0($2, $3)"'
5345 enabled mmi && check_inline_asm mmi '"punpcklhw $f0, $f0, $f0"'
5347 # Enable minimum ISA based on selected options
5348 if enabled mips64; then
5349 enabled mips64r6 && check_inline_asm_flags mips64r6 '"dlsa $0, $0, $0, 1"' '-mips64r6'
5350 enabled mips64r2 && check_inline_asm_flags mips64r2 '"dext $0, $0, 0, 1"' '-mips64r2'
5351 disabled mips64r6 && disabled mips64r2 && check_inline_asm_flags mips64r1 '"daddi $0, $0, 0"' '-mips64'
5353 enabled mips32r6 && check_inline_asm_flags mips32r6 '"aui $0, $0, 0"' '-mips32r6'
5354 enabled mips32r5 && check_inline_asm_flags mips32r5 '"eretnc"' '-mips32r5'
5355 enabled mips32r2 && check_inline_asm_flags mips32r2 '"ext $0, $0, 0, 1"' '-mips32r2'
5356 disabled mips32r6 && disabled mips32r5 && disabled mips32r2 && check_inline_asm_flags mips32r1 '"addi $0, $0, 0"' '-mips32'
5359 enabled mipsfpu && check_inline_asm_flags mipsfpu '"cvt.d.l $f0, $f2"' '-mhard-float'
5360 enabled mipsfpu && (enabled mips32r5 || enabled mips32r6 || enabled mips64r6) && check_inline_asm_flags mipsfpu '"cvt.d.l $f0, $f1"' '-mfp64'
5361 enabled mipsfpu && enabled msa && check_inline_asm_flags msa '"addvi.b $w0, $w1, 1"' '-mmsa' && check_header msa.h || disable msa
5362 enabled mipsdsp && check_inline_asm_flags mipsdsp '"addu.qb $t0, $t1, $t2"' '-mdsp'
5363 enabled mipsdspr2 && check_inline_asm_flags mipsdspr2 '"absq_s.qb $t0, $t1"' '-mdspr2'
5365 elif enabled parisc; then
5367 if enabled gcc; then
5368 case $($cc -dumpversion) in
5369 4.[3-9].*) check_cflags -fno-optimize-sibling-calls ;;
5373 elif enabled ppc; then
5375 enable local_aligned_8 local_aligned_16 local_aligned_32
5377 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
5378 check_inline_asm ibm_asm '"add 0, 0, 0"'
5379 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
5380 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
5382 # AltiVec flags: The FSF version of GCC differs from the Apple version
5383 if enabled altivec; then
5384 check_cflags -maltivec -mabi=altivec &&
5385 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
5386 check_cflags -faltivec
5388 # check if our compiler supports Motorola AltiVec C API
5389 check_cc <<EOF || disable altivec
5392 vector signed int v1 = (vector signed int) { 0 };
5393 vector signed int v2 = (vector signed int) { 1 };
5394 v1 = vec_add(v1, v2);
5399 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
5402 if enabled vsx; then
5403 check_cflags -mvsx &&
5404 check_builtin vec_vsx_ld "altivec.h" "__builtin_vec_vsx_ld" || disable vsx
5407 if enabled power8; then
5408 check_cpp_condition "altivec.h" "defined(_ARCH_PWR8)" || disable power8
5411 elif enabled x86; then
5413 check_builtin rdtsc intrin.h "__rdtsc()"
5414 check_builtin mm_empty mmintrin.h "_mm_empty()"
5416 enable local_aligned_8 local_aligned_16 local_aligned_32
5418 # check whether EBP is available on x86
5419 # As 'i' is stored on the stack, this program will crash
5420 # if the base pointer is used to access it because the
5421 # base pointer is cleared in the inline assembly code.
5422 check_exec_crash <<EOF && enable ebp_available
5424 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
5428 # check whether EBX is available on x86
5429 check_inline_asm ebx_available '""::"b"(0)' &&
5430 check_inline_asm ebx_available '"":::"%ebx"'
5432 # check whether xmm clobbers are supported
5433 check_inline_asm xmm_clobbers '"":::"%xmm0"'
5435 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' ||
5436 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"'
5438 # check whether binutils is new enough to compile SSSE3/MMXEXT
5439 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
5440 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
5442 if ! disabled_any asm mmx yasm; then
5443 if check_cmd $yasmexe --version; then
5444 enabled x86_64 && yasm_extra="-m amd64"
5445 yasm_debug="-g dwarf2"
5446 elif check_cmd nasm -v; then
5448 yasm_debug="-g -F dwarf"
5449 if enabled x86_64; then
5450 case "$objformat" in
5451 elf) objformat=elf64 ;;
5452 win32) objformat=win64 ;;
5457 YASMFLAGS="-f $objformat $yasm_extra"
5458 enabled pic && append YASMFLAGS "-DPIC"
5459 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
5460 case "$objformat" in
5461 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
5464 check_yasm "movbe ecx, [5]" && enable yasm ||
5465 die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."
5466 check_yasm "vextracti128 xmm0, ymm0, 0" || disable avx2_external
5467 check_yasm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external
5468 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
5469 check_yasm "CPU amdnop" || disable cpunop
5473 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
5480 check_code cc arm_neon.h "int16x8_t test = vdupq_n_s16(0)" && enable intrinsics_neon
5482 check_ldflags -Wl,--as-needed
5483 check_ldflags -Wl,-z,noexecstack
5485 if check_func dlopen && check_func dlsym; then
5487 elif check_func dlopen -ldl && check_func dlsym -ldl; then
5491 avisynth_demuxer_extralibs='$ldl'
5492 cuda_extralibs='$ldl'
5493 decklink_outdev_extralibs="$decklink_outdev_extralibs $ldl"
5494 decklink_indev_extralibs="$decklink_indev_extralibs $ldl"
5495 frei0r_filter_extralibs='$ldl'
5496 frei0r_src_filter_extralibs='$ldl'
5497 ladspa_filter_extralibs='$ldl'
5498 nvenc_extralibs='$ldl'
5499 coreimage_filter_extralibs="-framework QuartzCore -framework AppKit -framework OpenGL"
5500 coreimagesrc_filter_extralibs="-framework QuartzCore -framework AppKit -framework OpenGL"
5502 if ! disabled network; then
5503 check_func getaddrinfo $network_extralibs
5504 check_func inet_aton $network_extralibs
5506 check_type netdb.h "struct addrinfo"
5507 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
5508 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
5509 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
5510 check_type poll.h "struct pollfd"
5511 check_type netinet/sctp.h "struct sctp_event_subscribe"
5512 check_struct "sys/socket.h" "struct msghdr" msg_flags
5513 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
5514 check_type netinet/in.h "struct sockaddr_in6"
5515 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
5516 check_type "sys/types.h sys/socket.h" socklen_t
5518 # Prefer arpa/inet.h over winsock2
5519 if check_header arpa/inet.h ; then
5520 check_func closesocket
5521 elif check_header winsock2.h ; then
5522 check_func_headers winsock2.h closesocket -lws2 &&
5523 network_extralibs="-lws2" ||
5524 { check_func_headers winsock2.h closesocket -lws2_32 &&
5525 network_extralibs="-lws2_32"; } || disable winsock2_h network
5526 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
5528 check_type ws2tcpip.h socklen_t
5529 check_type ws2tcpip.h "struct addrinfo"
5530 check_type ws2tcpip.h "struct group_source_req"
5531 check_type ws2tcpip.h "struct ip_mreq_source"
5532 check_type ws2tcpip.h "struct ipv6_mreq"
5533 check_type winsock2.h "struct pollfd"
5534 check_struct winsock2.h "struct sockaddr" sa_len
5535 check_type ws2tcpip.h "struct sockaddr_in6"
5536 check_type ws2tcpip.h "struct sockaddr_storage"
5542 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
5543 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
5544 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
5545 check_builtin sarestart signal.h "SA_RESTART"
5546 check_builtin sem_timedwait semaphore.h "sem_t *s; sem_init(s,0,0); sem_timedwait(s,0); sem_destroy(s)" -lpthread
5547 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
5548 check_builtin gmtime_r time.h "time_t *time; struct tm *tm; gmtime_r(time, tm)"
5549 check_builtin localtime_r time.h "time_t *time; struct tm *tm; localtime_r(time, tm)"
5550 check_builtin x264_csp_bgr "stdint.h x264.h" "X264_CSP_BGR"
5552 case "$custom_allocator" in
5554 # jemalloc by default does not use a prefix
5555 require libjemalloc jemalloc/jemalloc.h malloc -ljemalloc
5558 require_pkg_config libtcmalloc gperftools/tcmalloc.h tc_malloc
5563 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
5564 check_func ${malloc_prefix}memalign && enable memalign
5565 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
5568 check_func_headers stdlib.h arc4random
5569 check_func_headers time.h clock_gettime ||
5570 { check_lib time.h clock_gettime -lrt && LIBRT="-lrt"; }
5573 check_func gethrtime
5575 check_func getrusage
5576 check_func gettimeofday
5578 check_func mach_absolute_time
5582 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
5583 check_func_headers time.h nanosleep ||
5584 { check_lib time.h nanosleep -lrt && LIBRT="-lrt"; }
5585 check_func sched_getaffinity
5586 check_func setrlimit
5587 check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE
5588 check_func strerror_r
5593 check_func_headers conio.h kbhit
5594 check_func_headers io.h setmode
5595 check_func_headers lzo/lzo1x.h lzo1x_999_compress
5596 check_func_headers stdlib.h getenv
5597 check_func_headers sys/stat.h lstat
5599 check_func_headers windows.h CoTaskMemFree -lole32
5600 check_func_headers windows.h GetProcessAffinityMask
5601 check_func_headers windows.h GetProcessTimes
5602 check_func_headers windows.h GetSystemTimeAsFileTime
5603 check_func_headers windows.h LoadLibrary
5604 check_func_headers windows.h MapViewOfFile
5605 check_func_headers windows.h PeekNamedPipe
5606 check_func_headers windows.h SetConsoleTextAttribute
5607 check_func_headers windows.h SetConsoleCtrlHandler
5608 check_func_headers windows.h Sleep
5609 check_func_headers windows.h VirtualAlloc
5610 check_struct windows.h "CONDITION_VARIABLE" Ptr
5611 check_func_headers glob.h glob
5613 check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext
5615 check_header AudioToolbox/AudioToolbox.h
5616 check_header direct.h
5617 check_header dirent.h
5618 check_header dlfcn.h
5619 check_header d3d11.h
5621 check_header dxva2api.h -D_WIN32_WINNT=0x0600
5623 check_header libcrystalhd/libcrystalhd_if.h
5624 check_header mach/mach_time.h
5625 check_header malloc.h
5626 check_header net/udplite.h
5628 check_header sys/mman.h
5629 check_header sys/param.h
5630 check_header sys/resource.h
5631 check_header sys/select.h
5632 check_header sys/time.h
5633 check_header sys/un.h
5634 check_header termios.h
5635 check_header unistd.h
5636 check_header valgrind/valgrind.h
5637 check_header vdpau/vdpau.h
5638 check_header vdpau/vdpau_x11.h
5639 check_header VideoDecodeAcceleration/VDADecoder.h
5640 check_header VideoToolbox/VideoToolbox.h
5641 check_func_headers VideoToolbox/VTCompressionSession.h VTCompressionSessionPrepareToEncodeFrames -framework VideoToolbox
5642 enabled videotoolbox && check_func_headers CoreVideo/CVImageBuffer.h kCVImageBufferColorPrimaries_ITU_R_2020 -framework CoreVideo
5643 check_header windows.h
5644 check_header X11/extensions/XvMClib.h
5645 check_header asm/types.h
5647 # it seems there are versions of clang in some distros that try to use the
5648 # gcc headers, which explodes for stdatomic
5649 # so we also check that atomics actually work here
5650 check_builtin stdatomic_h stdatomic.h "atomic_int foo, bar = ATOMIC_VAR_INIT(-1); atomic_store(&foo, 0)"
5652 check_lib "windows.h shellapi.h" CommandLineToArgvW -lshell32
5653 check_lib "windows.h wincrypt.h" CryptGenRandom -ladvapi32
5654 check_lib "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
5656 check_lib "CoreServices/CoreServices.h" UTGetOSTypeFromString "-framework CoreServices"
5658 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
5660 check_type "windows.h dxva.h" "DXVA_PicParams_HEVC" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0
5661 check_type "windows.h dxva.h" "DXVA_PicParams_VP9" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0
5662 check_type "windows.h d3d11.h" "ID3D11VideoDecoder"
5663 check_type "windows.h d3d11.h" "ID3D11VideoContext"
5664 check_type "d3d9.h dxva2api.h" DXVA2_ConfigPictureDecode -D_WIN32_WINNT=0x0602
5666 check_type "va/va.h va/va_dec_hevc.h" "VAPictureParameterBufferHEVC"
5667 check_struct "va/va.h" "VADecPictureParameterBufferVP9" bit_depth
5668 check_type "va/va.h va/va_vpp.h" "VAProcPipelineParameterBuffer"
5669 check_type "va/va.h va/va_enc_h264.h" "VAEncPictureParameterBufferH264"
5670 check_type "va/va.h va/va_enc_hevc.h" "VAEncPictureParameterBufferHEVC"
5671 check_type "va/va.h va/va_enc_jpeg.h" "VAEncPictureParameterBufferJPEG"
5672 check_type "va/va.h va/va_enc_mpeg2.h" "VAEncPictureParameterBufferMPEG2"
5673 check_type "va/va.h va/va_enc_vp8.h" "VAEncPictureParameterBufferVP8"
5675 check_type "vdpau/vdpau.h" "VdpPictureInfoHEVC"
5677 check_cpp_condition windows.h "!WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)" && enable winrt || disable winrt
5679 if ! disabled w32threads && ! enabled pthreads; then
5680 check_func_headers "windows.h process.h" _beginthreadex &&
5681 enable w32threads || disable w32threads
5682 if ! enabled w32threads && enabled winrt; then
5683 check_func_headers "windows.h" CreateThread &&
5684 enable w32threads || disable w32threads
5688 # check for some common methods of building with pthread support
5689 # do this before the optional library checks as some of them require pthreads
5690 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
5692 if check_func pthread_join -pthread && check_func pthread_create -pthread; then
5694 add_extralibs -pthread
5695 elif check_func pthread_join -pthreads && check_func pthread_create -pthreads; then
5696 add_cflags -pthreads
5697 add_extralibs -pthreads
5698 elif check_func pthread_join -ldl -pthread && check_func pthread_create -ldl -pthread; then
5699 add_cflags -ldl -pthread
5700 add_extralibs -ldl -pthread
5701 elif check_func pthread_join -lpthreadGC2 && check_func pthread_create -lpthreadGC2; then
5702 add_extralibs -lpthreadGC2
5703 elif check_lib pthread.h pthread_join -lpthread && check_lib pthread.h pthread_create -lpthread; then
5705 elif ! check_func pthread_join && ! check_func pthread_create; then
5708 check_code cc "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER" || disable pthreads
5712 if enabled pthreads; then
5713 check_func pthread_cancel
5717 check_builtin sem_timedwait semaphore.h "sem_t *s; sem_init(s,0,0); sem_timedwait(s,0); sem_destroy(s)"
5719 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
5720 disabled bzlib || check_lib bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
5721 disabled lzma || check_lib lzma.h lzma_version_number -llzma || disable lzma
5723 check_lib math.h sin -lm && LIBM="-lm"
5724 disabled crystalhd || check_lib "stdint.h libcrystalhd/libcrystalhd_if.h" DtsCrystalHDVersion -lcrystalhd || disable crystalhd
5732 for func in $MATH_FUNCS; do
5733 eval check_mathfunc $func \${${func}_args:-1}
5736 for func in $COMPLEX_FUNCS; do
5737 eval check_complexfunc $func \${${func}_args:-1}
5740 # these are off by default, so fail if requested and not available
5741 enabled avfoundation_indev && { check_header_objcc AVFoundation/AVFoundation.h || disable avfoundation_indev; }
5742 enabled avfoundation_indev && { check_lib CoreGraphics/CoreGraphics.h CGGetActiveDisplayList -framework CoreGraphics ||
5743 check_lib ApplicationServices/ApplicationServices.h CGGetActiveDisplayList -framework ApplicationServices; }
5744 enabled cuda && check_header cuda.h # this is not a dependency
5745 enabled cuvid && { enabled cuda ||
5746 die "ERROR: CUVID requires CUDA"; }
5747 enabled chromaprint && require chromaprint chromaprint.h chromaprint_get_version -lchromaprint
5748 enabled coreimage_filter && { check_header_objcc QuartzCore/CoreImage.h || disable coreimage_filter; }
5749 enabled coreimagesrc_filter && { check_header_objcc QuartzCore/CoreImage.h || disable coreimagesrc_filter; }
5750 enabled decklink && { { check_header DeckLinkAPI.h || die "ERROR: DeckLinkAPI.h header not found"; } &&
5751 { check_cpp_condition DeckLinkAPIVersion.h "BLACKMAGIC_DECKLINK_API_VERSION >= 0x0a060100" || die "ERROR: Decklink API version must be >= 10.6.1."; } }
5752 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
5753 enabled gmp && require gmp gmp.h mpz_export -lgmp
5754 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
5755 enabled jni && { [ $target_os = "android" ] && check_header jni.h && enabled pthreads &&
5756 check_lib "dlfcn.h" dlopen -ldl || die "ERROR: jni not found"; }
5757 enabled ladspa && { check_header ladspa.h || die "ERROR: ladspa.h header not found"; }
5758 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
5759 enabled libass && require_pkg_config libass ass/ass.h ass_library_init
5760 enabled libbluray && require_pkg_config libbluray libbluray/bluray.h bd_open
5761 enabled libbs2b && require_pkg_config libbs2b bs2b.h bs2b_open
5762 enabled libcelt && require libcelt celt/celt.h celt_decode -lcelt0 &&
5763 { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
5764 die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
5765 enabled libcaca && require_pkg_config caca caca.h caca_create_canvas
5766 enabled libfdk_aac && { use_pkg_config fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen ||
5767 { require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac &&
5768 warn "using libfdk without pkg-config"; } }
5769 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"
5770 enabled libflite && require libflite "flite/flite.h" flite_init $flite_libs
5771 enabled fontconfig && enable libfontconfig
5772 enabled libfontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
5773 enabled libfreetype && require_libfreetype
5774 enabled libfribidi && require_pkg_config fribidi fribidi.h fribidi_version_info
5775 enabled libgme && require libgme gme/gme.h gme_new_emu -lgme -lstdc++
5776 enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
5777 check_lib "${gsm_hdr}" gsm_create -lgsm && break;
5778 done || die "ERROR: libgsm not found"; }
5779 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
5780 enabled libkvazaar && require_pkg_config "kvazaar >= 0.8.1" kvazaar.h kvz_api_get
5781 enabled libmfx && require_pkg_config libmfx "mfx/mfxvideo.h" MFXInit
5782 enabled libmodplug && require_pkg_config libmodplug libmodplug/modplug.h ModPlug_Load
5783 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
5784 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
5785 enabled libnpp && require libnpp npp.h nppGetLibVersion -lnppi -lnppc
5786 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
5787 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
5788 enabled libopencv && { check_header opencv2/core/core_c.h &&
5789 { use_pkg_config opencv opencv2/core/core_c.h cvCreateImageHeader ||
5790 require opencv opencv2/core/core_c.h cvCreateImageHeader -lopencv_core -lopencv_imgproc; } ||
5791 require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader; }
5792 enabled libopenh264 && require_pkg_config openh264 wels/codec_api.h WelsGetCodecVersion
5793 enabled libopenjpeg && { { check_lib openjpeg-2.1/openjpeg.h opj_version -lopenjp2 -DOPJ_STATIC && add_cppflags -DOPJ_STATIC; } ||
5794 check_lib openjpeg-2.1/openjpeg.h opj_version -lopenjp2 ||
5795 { check_lib openjpeg-2.0/openjpeg.h opj_version -lopenjp2 -DOPJ_STATIC && add_cppflags -DOPJ_STATIC; } ||
5796 { check_lib openjpeg-1.5/openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC && add_cppflags -DOPJ_STATIC; } ||
5797 { check_lib openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC && add_cppflags -DOPJ_STATIC; } ||
5798 die "ERROR: libopenjpeg not found"; }
5799 enabled libopenmpt && require_pkg_config "libopenmpt >= 0.2.6557" libopenmpt/libopenmpt.h openmpt_module_create
5800 enabled libopus && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
5801 enabled libpulse && require_pkg_config libpulse pulse/pulseaudio.h pa_context_new
5802 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
5803 enabled librubberband && require_pkg_config "rubberband >= 1.8.1" rubberband/rubberband-c.h rubberband_new
5804 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
5805 enabled libshine && require_pkg_config shine shine/layer3.h shine_encode_buffer
5806 enabled libsmbclient && { use_pkg_config smbclient libsmbclient.h smbc_init ||
5807 require smbclient libsmbclient.h smbc_init -lsmbclient; }
5808 enabled libsnappy && require snappy snappy-c.h snappy_compress -lsnappy
5809 enabled libsoxr && require libsoxr soxr.h soxr_create -lsoxr && LIBSOXR="-lsoxr"
5810 enabled libssh && require_pkg_config libssh libssh/sftp.h sftp_init
5811 enabled libspeex && require_pkg_config speex speex/speex.h speex_decoder_init -lspeex
5812 enabled libtesseract && require_pkg_config tesseract tesseract/capi.h TessBaseAPICreate
5813 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
5814 enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame &&
5815 { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
5816 die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
5817 enabled libv4l2 && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
5818 enabled libvidstab && require_pkg_config "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit
5819 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
5820 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
5823 enabled libvpx_vp8_decoder && {
5824 use_pkg_config "vpx >= 0.9.1" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp8_dx ||
5825 check_lib "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
5826 die "ERROR: libvpx decoder version must be >=0.9.1";
5828 enabled libvpx_vp8_encoder && {
5829 use_pkg_config "vpx >= 0.9.7" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp8_cx ||
5830 check_lib "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VP8E_SET_MAX_INTRA_BITRATE_PCT" -lvpx ||
5831 die "ERROR: libvpx encoder version must be >=0.9.7";
5833 enabled libvpx_vp9_decoder && {
5834 use_pkg_config "vpx >= 1.3.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx ||
5835 check_lib "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx ||
5836 disable libvpx_vp9_decoder;
5838 enabled libvpx_vp9_encoder && {
5839 use_pkg_config "vpx >= 1.3.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx ||
5840 check_lib "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VP9E_SET_AQ_MODE" -lvpx ||
5841 disable libvpx_vp9_encoder;
5843 if disabled_all libvpx_vp8_decoder libvpx_vp9_decoder libvpx_vp8_encoder libvpx_vp9_encoder; then
5844 die "libvpx enabled but no supported decoders found"
5848 enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack
5849 enabled libwebp && {
5850 enabled libwebp_encoder && require_pkg_config "libwebp >= 0.2.0" webp/encode.h WebPGetEncoderVersion
5851 enabled libwebp_anim_encoder && { use_pkg_config "libwebpmux >= 0.4.0" webp/mux.h WebPAnimEncoderOptionsInit || disable libwebp_anim_encoder; } }
5852 enabled libx264 && { use_pkg_config x264 "stdint.h x264.h" x264_encoder_encode ||
5853 { require libx264 "stdint.h x264.h" x264_encoder_encode -lx264 &&
5854 warn "using libx264 without pkg-config"; } } &&
5855 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
5856 die "ERROR: libx264 must be installed and version must be >= 0.118."; } &&
5857 { check_cpp_condition x264.h "X264_MPEG2" &&
5859 enabled libx265 && require_pkg_config x265 x265.h x265_api_get &&
5860 { check_cpp_condition x265.h "X265_BUILD >= 68" ||
5861 die "ERROR: libx265 version must be >= 68."; }
5862 enabled libxavs && require libxavs "stdint.h xavs.h" xavs_encoder_encode -lxavs
5863 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
5864 enabled libzimg && require_pkg_config "zimg >= 2.3.0" zimg.h zimg_get_api_version
5865 enabled libzmq && require_pkg_config libzmq zmq.h zmq_ctx_new
5866 enabled libzvbi && require libzvbi libzvbi.h vbi_decoder_new -lzvbi &&
5867 { check_cpp_condition libzvbi.h "VBI_VERSION_MAJOR > 0 || VBI_VERSION_MINOR > 2 || VBI_VERSION_MINOR == 2 && VBI_VERSION_MICRO >= 28" ||
5868 enabled gpl || die "ERROR: libzvbi requires version 0.2.28 or --enable-gpl."; }
5869 enabled mediacodec && { enabled jni || die "ERROR: mediacodec requires --enable-jni"; }
5870 enabled mmal && { check_lib interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ||
5871 { ! enabled cross_compile && {
5872 add_cflags -isystem/opt/vc/include/ -isystem/opt/vc/include/interface/vmcs_host/linux -isystem/opt/vc/include/interface/vcos/pthreads -fgnu89-inline ;
5873 add_extralibs -L/opt/vc/lib/ -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ;
5874 check_lib interface/mmal/mmal.h mmal_port_connect ; }
5875 check_lib interface/mmal/mmal.h mmal_port_connect ; } ||
5876 die "ERROR: mmal not found"; }
5877 enabled mmal && check_func_headers interface/mmal/mmal.h "MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS"
5879 enabled netcdf && require_pkg_config netcdf netcdf.h nc_inq_libvers
5880 enabled openal && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
5881 check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
5882 die "ERROR: openal not found"; } &&
5883 { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
5884 die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
5885 enabled opencl && { check_lib OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||
5886 check_lib CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||
5887 die "ERROR: opencl not found"; } &&
5888 { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||
5889 check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||
5890 die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }
5891 enabled opengl && { check_lib GL/glx.h glXGetProcAddress "-lGL" ||
5892 check_lib windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||
5893 check_lib OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||
5894 check_lib ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||
5895 die "ERROR: opengl not found."
5897 enabled omx_rpi && enable omx
5898 enabled omx && { check_header OMX_Core.h ||
5899 { ! enabled cross_compile && enabled omx_rpi && {
5900 add_cflags -isystem/opt/vc/include/IL ; }
5901 check_header OMX_Core.h ; } ||
5902 die "ERROR: OpenMAX IL headers not found"; }
5903 enabled openssl && { use_pkg_config openssl openssl/ssl.h OPENSSL_init_ssl ||
5904 use_pkg_config openssl openssl/ssl.h SSL_library_init ||
5905 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
5906 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
5907 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
5908 die "ERROR: openssl not found"; }
5909 enabled qtkit_indev && { check_header_objcc QTKit/QTKit.h || disable qtkit_indev; }
5912 if enabled libdc1394; then
5913 { require_pkg_config libdc1394-2 dc1394/dc1394.h dc1394_new &&
5914 enable libdc1394_2; } ||
5915 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
5916 enable libdc1394_1; } ||
5917 die "ERROR: No version of libdc1394 found "
5920 if enabled gcrypt; then
5921 GCRYPT_CONFIG="${cross_prefix}libgcrypt-config"
5922 if "${GCRYPT_CONFIG}" --version > /dev/null 2>&1; then
5923 gcrypt_cflags=$("${GCRYPT_CONFIG}" --cflags)
5924 gcrypt_libs=$("${GCRYPT_CONFIG}" --libs)
5925 check_func_headers gcrypt.h gcry_mpi_new $gcrypt_cflags $gcrypt_libs ||
5926 die "ERROR: gcrypt not found"
5927 add_cflags $gcrypt_cflags && add_extralibs $gcrypt_libs
5929 require gcrypt gcrypt.h gcry_mpi_new -lgcrypt
5933 disabled sdl && disable sdl2
5934 if ! disabled sdl2; then
5935 SDL2_CONFIG="${cross_prefix}sdl2-config"
5936 if check_pkg_config sdl2 SDL_events.h SDL_PollEvent; then
5937 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x020001" $sdl2_cflags &&
5938 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x020100" $sdl2_cflags &&
5939 check_func SDL_Init $sdl2_libs $sdl2_cflags && enable sdl2
5941 if "${SDL2_CONFIG}" --version > /dev/null 2>&1; then
5942 sdl2_cflags=$("${SDL2_CONFIG}" --cflags)
5943 sdl2_libs=$("${SDL2_CONFIG}" --libs)
5944 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x020001" $sdl2_cflags &&
5945 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x020100" $sdl2_cflags &&
5946 check_func SDL_Init $sdl2_libs $sdl2_cflags && enable sdl2
5949 if test $target_os = "mingw32"; then
5950 sdl2_libs="$sdl2_libs -mconsole"
5953 enabled sdl2 && enable sdl && add_cflags $sdl2_cflags && add_extralibs $sdl2_libs
5955 disabled securetransport || { check_func SecIdentityCreate "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&
5956 check_lib "Security/SecureTransport.h Security/Security.h" "SSLCreateContext SecItemImport" "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&
5957 enable securetransport; }
5959 disabled schannel || { check_func_headers "windows.h security.h" InitializeSecurityContext -DSECURITY_WIN32 -lsecur32 &&
5960 check_cpp_condition winerror.h "defined(SEC_I_CONTEXT_EXPIRED)" && enable schannel && add_extralibs -lsecur32; }
5962 makeinfo --version > /dev/null 2>&1 && enable makeinfo || disable makeinfo
5964 && [ 0$(makeinfo --version | grep "texinfo" | sed 's/.*texinfo[^0-9]*\([0-9]*\)\..*/\1/') -ge 5 ] \
5965 && enable makeinfo_html || disable makeinfo_html
5966 disabled makeinfo_html && texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
5967 perl -v > /dev/null 2>&1 && enable perl || disable perl
5968 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
5969 rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout
5971 check_header linux/fb.h
5972 check_header linux/videodev.h
5973 check_header linux/videodev2.h
5974 check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete
5976 check_header sys/videoio.h
5977 check_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete
5979 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
5980 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
5981 # w32api 3.12 had it defined wrong
5982 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
5984 check_type "dshow.h" IBaseFilter
5986 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
5987 { check_header dev/bktr/ioctl_meteor.h &&
5988 check_header dev/bktr/ioctl_bt848.h; } ||
5989 { check_header machine/ioctl_meteor.h &&
5990 check_header machine/ioctl_bt848.h; } ||
5991 { check_header dev/video/meteor/ioctl_meteor.h &&
5992 check_header dev/video/bktr/ioctl_bt848.h; } ||
5993 check_header dev/ic/bt8xx.h
5995 check_header sndio.h
5996 if check_struct sys/soundcard.h audio_buf_info bytes; then
5997 enable_safe sys/soundcard.h
5999 check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
6000 #include <sys/soundcard.h>
6004 check_header soundcard.h
6006 enabled_any alsa_indev alsa_outdev &&
6007 check_lib alsa/asoundlib.h snd_pcm_htimestamp -lasound
6009 enabled jack_indev && check_lib jack/jack.h jack_client_open -ljack &&
6010 check_func jack_port_get_latency_range -ljack
6012 enabled_any sndio_indev sndio_outdev && check_lib sndio.h sio_open -lsndio
6014 if enabled libcdio; then
6015 check_lib "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
6016 check_lib "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
6017 die "ERROR: No usable libcdio/cdparanoia found"
6021 check_lib X11/Xlib.h XOpenDisplay -lX11 || disable xlib
6023 if ! disabled libxcb; then
6024 check_pkg_config "xcb >= 1.4" xcb/xcb.h xcb_connect || {
6025 enabled libxcb && die "ERROR: libxcb >= 1.4 not found";
6028 if enabled libxcb; then
6029 disabled libxcb_shm || {
6030 check_pkg_config xcb-shm xcb/shm.h xcb_shm_attach || {
6031 enabled libxcb_shm && die "ERROR: libxcb_shm not found";
6032 } && check_header sys/shm.h && enable libxcb_shm; }
6034 disabled libxcb_xfixes || {
6035 check_pkg_config xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image || {
6036 enabled libxcb_xfixes && die "ERROR: libxcb_xfixes not found";
6037 } && enable libxcb_xfixes; }
6039 disabled libxcb_shape || {
6040 check_pkg_config xcb-shape xcb/shape.h xcb_shape_get_rectangles || {
6041 enabled libxcb_shape && die "ERROR: libxcb_shape not found";
6042 } && enable libxcb_shape; }
6044 add_cflags $xcb_cflags $xcb_shm_cflags $xcb_xfixes_cflags $xcb_shape_cflags
6045 add_extralibs $xcb_libs $xcb_shm_libs $xcb_xfixes_libs $xcb_shape_libs
6049 check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs"
6051 enabled dxva2api_h &&
6052 check_cc <<EOF && enable dxva2api_cobj
6053 #define _WIN32_WINNT 0x0600
6055 #include <windows.h>
6057 #include <dxva2api.h>
6058 int main(void) { IDirectXVideoDecoder *o = NULL; IDirectXVideoDecoder_Release(o); return 0; }
6062 check_lib va/va.h vaInitialize -lva ||
6066 check_code cc "va/va.h" "vaCreateSurfaces(0, 0, 0, 0, 0, 0, 0, 0)" ||
6069 if enabled vaapi ; then
6071 check_lib "va/va.h va/va_x11.h" vaGetDisplay -lva -lva-x11 &&
6074 check_lib "va/va.h va/va_drm.h" vaGetDisplayDRM -lva -lva-drm &&
6079 check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
6082 enabled vdpau && enabled xlib &&
6083 check_lib "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau &&
6086 if enabled x86; then
6088 mingw32*|mingw64*|win32|win64|linux|cygwin*)
6091 disable cuda cuvid nvenc
6095 disable cuda cuvid nvenc
6099 check_cc -I$source_path <<EOF || disable nvenc
6100 #include "compat/nvenc/nvEncodeAPI.h"
6101 NV_ENCODE_API_FUNCTION_LIST flist;
6102 void f(void) { struct { const GUID guid; } s[] = { { NV_ENC_PRESET_HQ_GUID } }; }
6103 int main(void) { return 0; }
6106 # Funny iconv installations are not unusual, so check it after all flags have been set
6107 disabled iconv || check_func_headers iconv.h iconv || check_lib iconv.h iconv -liconv || disable iconv
6109 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
6111 # add some useful compiler flags if supported
6112 check_cflags -Wdeclaration-after-statement
6114 check_cflags -Wdisabled-optimization
6115 check_cflags -Wpointer-arith
6116 check_cflags -Wredundant-decls
6117 check_cflags -Wwrite-strings
6118 check_cflags -Wtype-limits
6119 check_cflags -Wundef
6120 check_cflags -Wmissing-prototypes
6121 check_cflags -Wno-pointer-to-int-cast
6122 check_cflags -Wstrict-prototypes
6123 check_cflags -Wempty-body
6124 enabled extra_warnings && check_cflags -Winline
6125 enabled extra_warnings && check_cflags -Wcast-qual
6127 check_disable_warning(){
6128 warning_flag=-W${1#-Wno-}
6129 test_cflags $warning_flag && add_cflags $1
6132 check_disable_warning -Wno-parentheses
6133 check_disable_warning -Wno-switch
6134 check_disable_warning -Wno-format-zero-length
6135 check_disable_warning -Wno-pointer-sign
6136 check_disable_warning -Wno-unused-const-variable
6138 # add some linker flags
6139 check_ldflags -Wl,--warn-common
6140 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
6141 enabled rpath && add_ldexeflags -Wl,-rpath,$libdir
6142 enabled rpath && add_ldlibflags -Wl,-rpath,$libdir
6143 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
6145 # add some strip flags
6146 # -wN '..@*' is more selective than -x, but not available everywhere.
6147 check_stripflags -wN \'..@*\' || check_stripflags -x
6149 enabled neon_clobber_test &&
6150 check_ldflags -Wl,--wrap,avcodec_open2 \
6151 -Wl,--wrap,avcodec_decode_audio4 \
6152 -Wl,--wrap,avcodec_decode_video2 \
6153 -Wl,--wrap,avcodec_decode_subtitle2 \
6154 -Wl,--wrap,avcodec_encode_audio2 \
6155 -Wl,--wrap,avcodec_encode_video2 \
6156 -Wl,--wrap,avcodec_encode_subtitle \
6157 -Wl,--wrap,avcodec_send_packet \
6158 -Wl,--wrap,avcodec_receive_packet \
6159 -Wl,--wrap,avcodec_send_frame \
6160 -Wl,--wrap,avcodec_receive_frame \
6161 -Wl,--wrap,swr_convert \
6162 -Wl,--wrap,avresample_convert ||
6163 disable neon_clobber_test
6165 enabled xmm_clobber_test &&
6166 check_ldflags -Wl,--wrap,avcodec_open2 \
6167 -Wl,--wrap,avcodec_decode_audio4 \
6168 -Wl,--wrap,avcodec_decode_video2 \
6169 -Wl,--wrap,avcodec_decode_subtitle2 \
6170 -Wl,--wrap,avcodec_encode_audio2 \
6171 -Wl,--wrap,avcodec_encode_video2 \
6172 -Wl,--wrap,avcodec_encode_subtitle \
6173 -Wl,--wrap,avcodec_send_packet \
6174 -Wl,--wrap,avcodec_receive_packet \
6175 -Wl,--wrap,avcodec_send_frame \
6176 -Wl,--wrap,avcodec_receive_frame \
6177 -Wl,--wrap,swr_convert \
6178 -Wl,--wrap,avresample_convert \
6179 -Wl,--wrap,sws_scale ||
6180 disable xmm_clobber_test
6182 check_ld "cc" <<EOF && enable proper_dce
6183 extern const int array[512];
6184 static inline int func(void) { return array[0]; }
6185 int main(void) { return 0; }
6188 if enabled proper_dce; then
6189 echo "X { local: *; };" > $TMPV
6190 if test_ldflags -Wl,${version_script},$TMPV; then
6191 append SHFLAGS '-Wl,${version_script},\$(SUBDIR)lib\$(NAME).ver'
6192 check_cc <<EOF && enable symver_asm_label
6193 void ff_foo(void) __asm__ ("av_foo@VERSION");
6194 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
6196 check_cc <<EOF && enable symver_gnu_asm
6197 __asm__(".symver ff_foo,av_foo@VERSION");
6198 void ff_foo(void) {}
6203 if [ -z "$optflags" ]; then
6204 if enabled small; then
6205 optflags=$cflags_size
6206 elif enabled optimizations; then
6207 optflags=$cflags_speed
6209 optflags=$cflags_noopt
6215 enabled lto && check_ldflags "$@"
6219 if enabled lto; then
6220 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
6222 check_ldflags -flto $cpuflags
6223 disable inline_asm_direct_symbol_refs
6226 check_optflags $optflags
6227 check_optflags -fno-math-errno
6228 check_optflags -fno-signed-zeros
6230 enabled ftrapv && check_cflags -ftrapv
6232 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
6237 if enabled icc; then
6238 # Just warnings, no remarks
6240 # -wd: Disable following warnings
6241 # 144, 167, 556: -Wno-pointer-sign
6242 # 188: enumerated type mixed with another type
6243 # 1292: attribute "foo" ignored
6244 # 1419: external declaration in primary source file
6245 # 10006: ignoring unknown option -fno-signed-zeros
6246 # 10148: ignoring unknown option -Wno-parentheses
6247 # 10156: ignoring option '-W'; no argument required
6248 # 13200: No EMMS instruction before call to function
6249 # 13203: No EMMS instruction before return from function
6250 check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156,13200,13203
6251 # 11030: Warning unknown option --as-needed
6252 # 10156: ignoring option '-export'; no argument required
6253 check_ldflags -wd10156,11030
6254 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
6255 enable ebp_available
6256 # The test above does not test linking
6257 enabled lto && disable symver_asm_label
6258 if enabled x86_32; then
6259 icc_version=$($cc -dumpversion)
6260 test ${icc_version%%.*} -ge 11 &&
6261 check_cflags -falign-stack=maintain-16-byte ||
6262 disable aligned_stack
6264 elif enabled ccc; then
6265 # disable some annoying warnings
6266 add_cflags -msg_disable bitnotint
6267 add_cflags -msg_disable mixfuncvoid
6268 add_cflags -msg_disable nonstandcast
6269 add_cflags -msg_disable unsupieee
6270 elif enabled gcc; then
6271 check_optflags -fno-tree-vectorize
6272 check_cflags -Werror=format-security
6273 check_cflags -Werror=implicit-function-declaration
6274 check_cflags -Werror=missing-prototypes
6275 check_cflags -Werror=return-type
6276 check_cflags -Werror=vla
6277 check_cflags -Wformat
6278 check_cflags -fdiagnostics-color=auto
6279 enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized
6280 elif enabled llvm_gcc; then
6281 check_cflags -mllvm -stack-alignment=16
6282 elif enabled clang; then
6283 check_cflags -mllvm -stack-alignment=16
6284 check_cflags -mstack-alignment=16
6285 check_cflags -Qunused-arguments
6286 check_cflags -Werror=implicit-function-declaration
6287 check_cflags -Werror=missing-prototypes
6288 check_cflags -Werror=return-type
6289 elif enabled cparser; then
6290 add_cflags -Wno-missing-variable-declarations
6291 add_cflags -Wno-empty-statement
6292 elif enabled armcc; then
6293 add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat
6294 add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir
6295 # 2523: use of inline assembly is deprecated
6296 add_cflags -W${armcc_opt},--diag_suppress=2523
6297 add_cflags -W${armcc_opt},--diag_suppress=1207
6298 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
6299 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
6300 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
6301 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
6302 elif enabled tms470; then
6303 add_cflags -pds=824 -pds=837
6305 elif enabled pathscale; then
6306 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
6307 elif enabled_any msvc icl; then
6308 enabled x86_32 && disable aligned_stack
6309 enabled_all x86_32 debug && add_cflags -Oy-
6310 enabled debug && add_ldflags -debug
6311 enable pragma_deprecated
6312 if enabled icl; then
6313 # -Qansi-alias is basically -fstrict-aliasing, but does not work
6314 # (correctly) on icl 13.x.
6315 check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&
6316 add_cflags -Qansi-alias
6317 # Some inline asm is not compilable in debug
6318 if enabled debug; then
6319 disable ebp_available
6320 disable ebx_available
6323 # msvcrt10 x64 incorrectly enables log2, only msvcrt12 (MSVC 2013) onwards actually has log2.
6324 check_cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION >= 12" || disable log2
6325 # The CRT headers contain __declspec(restrict) in a few places, but if redefining
6326 # restrict, this might break. MSVC 2010 and 2012 fail with __declspec(__restrict)
6327 # (as it ends up if the restrict redefine is done before including stdlib.h), while
6328 # MSVC 2013 and newer can handle it fine.
6329 # If this declspec fails, force including stdlib.h before the restrict redefinition
6330 # happens in config.h.
6331 if [ $_restrict != restrict ]; then
6332 check_cc <<EOF || add_cflags -FIstdlib.h
6333 __declspec($_restrict) void* foo(int);
6336 # the new SSA optimzer in VS2015 U3 is mis-optimizing some parts of the code
6337 # Issue has been fixed in MSVC v19.00.24218.
6338 check_cpp_condition windows.h "_MSC_FULL_VER >= 190024218" ||
6339 check_cflags -d2SSAOptimizer-
6340 # enable utf-8 source processing on VS2015 U2 and newer
6341 check_cpp_condition windows.h "_MSC_FULL_VER >= 190023918" &&
6345 for pfx in "" host_; do
6346 varname=${pfx%_}cc_type
6347 eval "type=\$$varname"
6348 if [ $type = "msvc" ]; then
6349 check_${pfx}cc <<EOF || add_${pfx}cflags -Dinline=__inline
6350 static inline int foo(int a) { return a; }
6357 add_asflags -Qunused-arguments
6363 check_ldflags -Qunused-arguments
6369 enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'
6372 add_cppflags -Dmain=plan9_main
6376 enable frame_thread_encoder
6378 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
6380 check_deps $CONFIG_LIST \
6385 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"
6388 if test $target_os = "haiku"; then
6390 disable posix_memalign
6393 enabled_all dxva2 dxva2api_cobj CoTaskMemFree &&
6394 prepend ffmpeg_libs $($ldflags_filter "-lole32") &&
6398 # -> enable ${lib}_deps_${dep}
6399 # -> add $dep to ${lib}_deps only once
6403 enabled "${lib}_deps_${dep}" && return 0
6404 enable "${lib}_deps_${dep}"
6405 prepend "${lib}_deps" $dep
6408 # merge deps lib components
6409 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
6414 enabled $comp || continue
6415 eval "dep=\"\$${comp}_deps\""
6422 merge_deps libavfilter $FILTER_LIST
6424 map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST
6426 for thread in $THREADS_LIST; do
6427 if enabled $thread; then
6428 test -n "$thread_type" &&
6429 die "ERROR: Only one thread type must be selected." ||
6430 thread_type="$thread"
6434 if disabled stdatomic_h; then
6435 if enabled atomics_gcc; then
6436 add_cppflags '-I\$(SRC_PATH)/compat/atomics/gcc'
6437 elif enabled atomics_win32; then
6438 add_cppflags '-I\$(SRC_PATH)/compat/atomics/win32'
6439 elif enabled atomics_suncc; then
6440 add_cppflags '-I\$(SRC_PATH)/compat/atomics/suncc'
6441 elif enabled pthreads; then
6442 add_compat atomics/pthread/stdatomic.o
6443 add_cppflags '-I\$(SRC_PATH)/compat/atomics/pthread'
6445 enabled threads && die "Threading is enabled, but no atomics are available"
6446 add_cppflags '-I\$(SRC_PATH)/compat/atomics/dummy'
6450 # Check if requested libraries were found.
6451 for lib in $AUTODETECT_LIBS; do
6452 requested $lib && ! enabled $lib && die "ERROR: $lib requested but not found";
6455 enabled zlib && add_cppflags -DZLIB_CONST
6457 # conditional library dependencies, in linking order
6458 enabled afftfilt_filter && prepend avfilter_deps "avcodec"
6459 enabled amovie_filter && prepend avfilter_deps "avformat avcodec"
6460 enabled aresample_filter && prepend avfilter_deps "swresample"
6461 enabled atempo_filter && prepend avfilter_deps "avcodec"
6462 enabled cover_rect_filter && prepend avfilter_deps "avformat avcodec"
6463 enabled ebur128_filter && enabled swresample && prepend avfilter_deps "swresample"
6464 enabled elbg_filter && prepend avfilter_deps "avcodec"
6465 enabled fftfilt_filter && prepend avfilter_deps "avcodec"
6466 enabled find_rect_filter && prepend avfilter_deps "avformat avcodec"
6467 enabled mcdeint_filter && prepend avfilter_deps "avcodec"
6468 enabled movie_filter && prepend avfilter_deps "avformat avcodec"
6469 enabled pan_filter && prepend avfilter_deps "swresample"
6470 enabled pp_filter && prepend avfilter_deps "postproc"
6471 enabled removelogo_filter && prepend avfilter_deps "avformat avcodec swscale"
6472 enabled resample_filter && prepend avfilter_deps "avresample"
6473 enabled sab_filter && prepend avfilter_deps "swscale"
6474 enabled scale_filter && prepend avfilter_deps "swscale"
6475 enabled scale2ref_filter && prepend avfilter_deps "swscale"
6476 enabled sofalizer_filter && prepend avfilter_deps "avcodec"
6477 enabled showcqt_filter && prepend avfilter_deps "avformat avcodec swscale"
6478 enabled showfreqs_filter && prepend avfilter_deps "avcodec"
6479 enabled showspectrum_filter && prepend avfilter_deps "avcodec"
6480 enabled smartblur_filter && prepend avfilter_deps "swscale"
6481 enabled spectrumsynth_filter && prepend avfilter_deps "avcodec"
6482 enabled subtitles_filter && prepend avfilter_deps "avformat avcodec"
6483 enabled uspp_filter && prepend avfilter_deps "avcodec"
6485 enabled lavfi_indev && prepend avdevice_deps "avfilter"
6487 enabled opus_decoder && prepend avcodec_deps "swresample"
6491 eval "deps=\$$lib_deps"
6492 append $lib_deps $(map 'eval echo \$${v}_deps' $deps)
6496 #we have to remove gpl from the deps here as some code assumes all lib deps are libs
6497 postproc_deps="$(filter_out 'gpl' $postproc_deps)"
6499 map 'expand_deps $v' $LIBRARY_LIST
6501 echo "install prefix $prefix"
6502 echo "source path $source_path"
6503 echo "C compiler $cc"
6504 echo "C library $libc_type"
6505 if test "$host_cc" != "$cc"; then
6506 echo "host C compiler $host_cc"
6507 echo "host C library $host_libc_type"
6509 echo "ARCH $arch ($cpu)"
6510 if test "$build_suffix" != ""; then
6511 echo "build suffix $build_suffix"
6513 if test "$progs_suffix" != ""; then
6514 echo "progs suffix $progs_suffix"
6516 if test "$extra_version" != ""; then
6517 echo "version string suffix $extra_version"
6519 echo "big-endian ${bigendian-no}"
6520 echo "runtime cpu detection ${runtime_cpudetect-no}"
6521 if enabled x86; then
6522 echo "${yasmexe} ${yasm-no}"
6523 echo "MMX enabled ${mmx-no}"
6524 echo "MMXEXT enabled ${mmxext-no}"
6525 echo "3DNow! enabled ${amd3dnow-no}"
6526 echo "3DNow! extended enabled ${amd3dnowext-no}"
6527 echo "SSE enabled ${sse-no}"
6528 echo "SSSE3 enabled ${ssse3-no}"
6529 echo "AESNI enabled ${aesni-no}"
6530 echo "AVX enabled ${avx-no}"
6531 echo "XOP enabled ${xop-no}"
6532 echo "FMA3 enabled ${fma3-no}"
6533 echo "FMA4 enabled ${fma4-no}"
6534 echo "i686 features enabled ${i686-no}"
6535 echo "CMOV is fast ${fast_cmov-no}"
6536 echo "EBX available ${ebx_available-no}"
6537 echo "EBP available ${ebp_available-no}"
6539 if enabled aarch64; then
6540 echo "NEON enabled ${neon-no}"
6541 echo "VFP enabled ${vfp-no}"
6543 if enabled arm; then
6544 echo "ARMv5TE enabled ${armv5te-no}"
6545 echo "ARMv6 enabled ${armv6-no}"
6546 echo "ARMv6T2 enabled ${armv6t2-no}"
6547 echo "VFP enabled ${vfp-no}"
6548 echo "NEON enabled ${neon-no}"
6549 echo "THUMB enabled ${thumb-no}"
6551 if enabled mips; then
6552 echo "MIPS FPU enabled ${mipsfpu-no}"
6553 echo "MIPS DSP R1 enabled ${mipsdsp-no}"
6554 echo "MIPS DSP R2 enabled ${mipsdspr2-no}"
6555 echo "MIPS MSA enabled ${msa-no}"
6556 echo "LOONGSON MMI enabled ${mmi-no}"
6558 if enabled ppc; then
6559 echo "AltiVec enabled ${altivec-no}"
6560 echo "VSX enabled ${vsx-no}"
6561 echo "POWER8 enabled ${power8-no}"
6562 echo "PPC 4xx optimizations ${ppc4xx-no}"
6563 echo "dcbzl available ${dcbzl-no}"
6565 echo "debug symbols ${debug-no}"
6566 echo "strip symbols ${stripping-no}"
6567 echo "optimize for size ${small-no}"
6568 echo "optimizations ${optimizations-no}"
6569 echo "static ${static-no}"
6570 echo "shared ${shared-no}"
6571 echo "postprocessing support ${postproc-no}"
6572 echo "new filter support ${avfilter-no}"
6573 echo "network support ${network-no}"
6574 echo "threading support ${thread_type-no}"
6575 echo "safe bitstream reader ${safe_bitstream_reader-no}"
6576 echo "SDL2 support ${sdl2-no}"
6577 echo "opencl enabled ${opencl-no}"
6578 echo "JNI support ${jni-no}"
6579 echo "texi2html enabled ${texi2html-no}"
6580 echo "perl enabled ${perl-no}"
6581 echo "pod2man enabled ${pod2man-no}"
6582 echo "makeinfo enabled ${makeinfo-no}"
6583 echo "makeinfo supports HTML ${makeinfo_html-no}"
6584 test -n "$random_seed" &&
6585 echo "random seed ${random_seed}"
6588 echo "Enabled programs:"
6589 print_enabled '' $PROGRAM_LIST | print_in_columns
6592 echo "External libraries:"
6593 print_enabled '' $EXTERNAL_LIBRARY_LIST | print_in_columns
6596 echo "External libraries providing hardware acceleration:"
6597 print_enabled '' $HWACCEL_LIBRARY_LIST | print_in_columns
6601 print_enabled '' $LIBRARY_LIST | print_in_columns
6604 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
6605 echo "Enabled ${type}s:"
6606 eval list=\$$(toupper $type)_LIST
6607 print_enabled '_*' $list | print_in_columns
6611 license="LGPL version 2.1 or later"
6612 if enabled nonfree; then
6613 license="nonfree and unredistributable"
6614 elif enabled gplv3; then
6615 license="GPL version 3 or later"
6616 elif enabled lgplv3; then
6617 license="LGPL version 3 or later"
6618 elif enabled gpl; then
6619 license="GPL version 2 or later"
6622 echo "License: $license"
6624 echo "Creating config.mak, config.h, and doc/config.texi..."
6626 test -e Makefile || echo "include $source_path/Makefile" > Makefile
6628 enabled stripping || strip="echo skipping strip"
6630 config_files="$TMPH config.mak doc/config.texi"
6632 cat > config.mak <<EOF
6633 # Automatically generated by configure - do not modify!
6634 ifndef FFMPEG_CONFIG_MAK
6636 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
6638 LIBDIR=\$(DESTDIR)$libdir
6639 SHLIBDIR=\$(DESTDIR)$shlibdir
6640 INCDIR=\$(DESTDIR)$incdir
6641 BINDIR=\$(DESTDIR)$bindir
6642 DATADIR=\$(DESTDIR)$datadir
6643 DOCDIR=\$(DESTDIR)$docdir
6644 MANDIR=\$(DESTDIR)$mandir
6645 PKGCONFIGDIR=\$(DESTDIR)$pkgconfigdir
6646 INSTALL_NAME_DIR=$install_name_dir
6647 SRC_PATH=$source_path
6648 SRC_LINK=$source_link
6649 ifndef MAIN_MAKEFILE
6650 SRC_PATH:=\$(SRC_PATH:.%=..%)
6654 INTRINSICS=$intrinsics
6661 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
6663 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
6676 OBJCFLAGS=$OBJCFLAGS
6696 LDEXEFLAGS=$LDEXEFLAGS
6697 LDLIBFLAGS=$LDLIBFLAGS
6698 SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
6699 ASMSTRIPFLAGS=$ASMSTRIPFLAGS
6700 YASMFLAGS=$YASMFLAGS
6701 BUILDSUF=$build_suffix
6702 PROGSSUF=$progs_suffix
6710 EXTRA_VERSION=$extra_version
6713 CCDEP_FLAGS=$CCDEP_FLAGS
6715 ASDEP_FLAGS=$ASDEP_FLAGS
6716 CC_DEPFLAGS=$CC_DEPFLAGS
6717 AS_DEPFLAGS=$AS_DEPFLAGS
6720 HOSTCFLAGS=$host_cflags
6721 HOSTCPPFLAGS=$host_cppflags
6722 HOSTEXESUF=$HOSTEXESUF
6723 HOSTLDFLAGS=$host_ldflags
6726 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
6727 HOSTCCDEP=$HOSTCCDEP
6728 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
6729 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
6733 TARGET_EXEC=$target_exec $target_exec_args
6734 TARGET_PATH=$target_path
6735 TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}
6736 CFLAGS-ffplay=${sdl2_cflags}
6737 ZLIB=$($ldflags_filter -lz)
6738 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
6739 EXTRALIBS=$extralibs
6740 COMPAT_OBJS=$compat_objs
6743 LIBTARGET=${LIBTARGET}
6744 SLIBNAME=${SLIBNAME}
6745 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
6746 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
6747 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
6748 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
6749 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
6750 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
6751 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
6752 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
6753 VERSION_SCRIPT_POSTPROCESS_CMD=${VERSION_SCRIPT_POSTPROCESS_CMD}
6754 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
6755 NOREDZONE_FLAGS=$noredzone_flags
6760 name=$(toupper $lcname)
6761 file=$source_path/$lcname/version.h
6762 eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")
6763 enabled raise_major && eval ${name}_VERSION_MAJOR=$((${name}_VERSION_MAJOR+100))
6764 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
6765 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
6766 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
6767 eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak
6770 map 'get_version $v' $LIBRARY_LIST
6772 map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> config.mak' $LIBRARY_LIST
6774 print_program_libs(){
6775 eval "program_libs=\$${1}_libs"
6776 eval echo "LIBS-${1}=${program_libs}" >> config.mak
6779 map 'print_program_libs $v' $PROGRAM_LIST
6782 /* Automatically generated by configure - do not modify! */
6783 #ifndef FFMPEG_CONFIG_H
6784 #define FFMPEG_CONFIG_H
6785 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
6786 #define FFMPEG_LICENSE "$(c_escape $license)"
6787 #define CONFIG_THIS_YEAR 2017
6788 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
6789 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
6790 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
6791 #define av_restrict $_restrict
6792 #define EXTERN_PREFIX "${extern_prefix}"
6793 #define EXTERN_ASM ${extern_prefix}
6794 #define BUILDSUF "$build_suffix"
6795 #define SLIBSUF "$SLIBSUF"
6796 #define HAVE_MMX2 HAVE_MMXEXT
6797 #define SWS_MAX_FILTER_SIZE $sws_max_filter_size
6800 test -n "$assert_level" &&
6801 echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
6803 test -n "$malloc_prefix" &&
6804 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
6806 if enabled yasm; then
6807 append config_files $TMPASM
6811 enabled getenv || echo "#define getenv(x) NULL" >> $TMPH
6817 echo "@c auto-generated by configure - do not modify! " > doc/config.texi
6819 print_config ARCH_ "$config_files" $ARCH_LIST
6820 print_config HAVE_ "$config_files" $HAVE_LIST
6821 print_config CONFIG_ "$config_files" $CONFIG_LIST \
6825 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
6826 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
6828 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
6829 cp_if_changed $TMPH config.h
6832 enabled yasm && cp_if_changed $TMPASM config.asm
6835 /* Generated by ffconf */
6836 #ifndef AVUTIL_AVCONFIG_H
6837 #define AVUTIL_AVCONFIG_H
6840 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
6842 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
6844 cp_if_changed $TMPH libavutil/avconfig.h
6846 # generate the lists of enabled components
6847 print_enabled_components(){
6852 echo "static const $struct_name *$name[] = {" > $TMPH
6854 enabled $c && printf " &ff_%s,\n" $c >> $TMPH
6856 echo " NULL };" >> $TMPH
6857 cp_if_changed $TMPH $file
6860 print_enabled_components libavcodec/bsf_list.c AVBitStreamFilter bitstream_filters $BSF_LIST
6861 print_enabled_components libavformat/protocol_list.c URLProtocol url_protocols $PROTOCOL_LIST
6863 if test -n "$WARNINGS"; then
6864 printf "\n%s%s$WARNINGS%s" "$warn_color" "$bold_color" "$reset_color"
6865 enabled fatal_warnings && exit 1
6868 # build pkg-config files
6871 eval printf "\"lib${1}${build_suffix} >= \$LIB$(toupper ${1})_VERSION, \""
6874 pkgconfig_generate(){
6876 shortname=${name#lib}${build_suffix}
6880 requires=$(map 'lib_version $v' $(eval echo \$${name#lib}_deps))
6881 requires=${requires%, }
6882 enabled ${name#lib} || return 0
6884 cat <<EOF > $name/$name${build_suffix}.pc
6886 exec_prefix=\${prefix}
6891 Description: $comment
6893 Requires: $(enabled shared || echo $requires)
6894 Requires.private: $(enabled shared && echo $requires)
6896 Libs: -L\${libdir} $(enabled rpath && echo "-Wl,-rpath,\${libdir}") -l${shortname} $(enabled shared || echo $libs)
6897 Libs.private: $(enabled shared && echo $libs)
6898 Cflags: -I\${includedir}
6901 mkdir -p doc/examples/pc-uninstalled
6902 includedir=${source_path}
6903 [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."
6904 cat <<EOF > doc/examples/pc-uninstalled/${name}-uninstalled.pc
6907 libdir=\${pcfiledir}/../../../$name
6908 includedir=${includedir}
6911 Description: $comment
6915 Libs: -L\${libdir} -Wl,-rpath,\${libdir} -l${shortname} $(enabled shared || echo $libs)
6916 Cflags: -I\${includedir}
6920 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBRT $LIBM"
6921 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs"
6922 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs"
6923 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs"
6924 pkgconfig_generate libavfilter "FFmpeg audio/video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
6925 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" ""
6926 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$LIBM"
6927 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM"
6928 pkgconfig_generate libswresample "FFmpeg audio resampling library" "$LIBSWRESAMPLE_VERSION" "$LIBM $LIBSOXR"