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:$PATH
61 Usage: configure [options]
62 Options: [defaults in brackets after descriptions]
65 --help print this message
66 --quiet Suppress showing informative output
67 --list-decoders show all available decoders
68 --list-encoders show all available encoders
69 --list-hwaccels show all available hardware accelerators
70 --list-demuxers show all available demuxers
71 --list-muxers show all available muxers
72 --list-parsers show all available parsers
73 --list-protocols show all available protocols
74 --list-bsfs show all available bitstream filters
75 --list-indevs show all available input devices
76 --list-outdevs show all available output devices
77 --list-filters show all available filters
80 --logfile=FILE log tests and output to FILE [ffbuild/config.log]
81 --disable-logging do not log configure debug information
82 --fatal-warnings fail if any configure warning is generated
83 --prefix=PREFIX install in PREFIX [$prefix_default]
84 --bindir=DIR install binaries in DIR [PREFIX/bin]
85 --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg]
86 --docdir=DIR install documentation in DIR [PREFIX/share/doc/ffmpeg]
87 --libdir=DIR install libs in DIR [PREFIX/lib]
88 --shlibdir=DIR install shared libs in DIR [LIBDIR]
89 --incdir=DIR install includes in DIR [PREFIX/include]
90 --mandir=DIR install man page in DIR [PREFIX/share/man]
91 --pkgconfigdir=DIR install pkg-config files in DIR [LIBDIR/pkgconfig]
92 --enable-rpath use rpath to allow installing libraries in paths
93 not part of the dynamic linker search path
94 use rpath when linking programs (USE WITH CARE)
95 --install-name-dir=DIR Darwin directory name for installed targets
98 --enable-gpl allow use of GPL code, the resulting libs
99 and binaries will be under GPL [no]
100 --enable-version3 upgrade (L)GPL to version 3 [no]
101 --enable-nonfree allow use of nonfree code, the resulting libs
102 and binaries will be unredistributable [no]
104 Configuration options:
105 --disable-static do not build static libraries [no]
106 --enable-shared build shared libraries [no]
107 --enable-small optimize for size instead of speed
108 --disable-runtime-cpudetect disable detecting CPU capabilities at runtime (smaller binary)
109 --enable-gray enable full grayscale support (slower color)
110 --disable-swscale-alpha disable alpha channel support in swscale
111 --disable-all disable building components, libraries and programs
112 --disable-autodetect disable automatically detected external libraries [no]
115 --disable-programs do not build command line programs
116 --disable-ffmpeg disable ffmpeg build
117 --disable-ffplay disable ffplay build
118 --disable-ffprobe disable ffprobe build
119 --disable-ffserver disable ffserver build
121 Documentation options:
122 --disable-doc do not build documentation
123 --disable-htmlpages do not build HTML documentation pages
124 --disable-manpages do not build man documentation pages
125 --disable-podpages do not build POD documentation pages
126 --disable-txtpages do not build text documentation pages
129 --disable-avdevice disable libavdevice build
130 --disable-avcodec disable libavcodec build
131 --disable-avformat disable libavformat build
132 --disable-swresample disable libswresample build
133 --disable-swscale disable libswscale build
134 --disable-postproc disable libpostproc build
135 --disable-avfilter disable libavfilter build
136 --enable-avresample enable libavresample build [no]
137 --disable-pthreads disable pthreads [autodetect]
138 --disable-w32threads disable Win32 threads [autodetect]
139 --disable-os2threads disable OS/2 threads [autodetect]
140 --disable-network disable network support [no]
141 --disable-dct disable DCT code
142 --disable-dwt disable DWT code
143 --disable-error-resilience disable error resilience code
144 --disable-lsp disable LSP code
145 --disable-lzo disable LZO decoder code
146 --disable-mdct disable MDCT code
147 --disable-rdft disable RDFT code
148 --disable-fft disable FFT code
149 --disable-faan disable floating point AAN (I)DCT code
150 --disable-pixelutils disable pixel utils in libavutil
152 Individual component options:
153 --disable-everything disable all components listed below
154 --disable-encoder=NAME disable encoder NAME
155 --enable-encoder=NAME enable encoder NAME
156 --disable-encoders disable all encoders
157 --disable-decoder=NAME disable decoder NAME
158 --enable-decoder=NAME enable decoder NAME
159 --disable-decoders disable all decoders
160 --disable-hwaccel=NAME disable hwaccel NAME
161 --enable-hwaccel=NAME enable hwaccel NAME
162 --disable-hwaccels disable all hwaccels
163 --disable-muxer=NAME disable muxer NAME
164 --enable-muxer=NAME enable muxer NAME
165 --disable-muxers disable all muxers
166 --disable-demuxer=NAME disable demuxer NAME
167 --enable-demuxer=NAME enable demuxer NAME
168 --disable-demuxers disable all demuxers
169 --enable-parser=NAME enable parser NAME
170 --disable-parser=NAME disable parser NAME
171 --disable-parsers disable all parsers
172 --enable-bsf=NAME enable bitstream filter NAME
173 --disable-bsf=NAME disable bitstream filter NAME
174 --disable-bsfs disable all bitstream filters
175 --enable-protocol=NAME enable protocol NAME
176 --disable-protocol=NAME disable protocol NAME
177 --disable-protocols disable all protocols
178 --enable-indev=NAME enable input device NAME
179 --disable-indev=NAME disable input device NAME
180 --disable-indevs disable input devices
181 --enable-outdev=NAME enable output device NAME
182 --disable-outdev=NAME disable output device NAME
183 --disable-outdevs disable output devices
184 --disable-devices disable all devices
185 --enable-filter=NAME enable filter NAME
186 --disable-filter=NAME disable filter NAME
187 --disable-filters disable all filters
188 --disable-v4l2_m2m disable V4L2 mem2mem code [autodetect]
190 External library support:
192 Using any of the following switches will allow FFmpeg to link to the
193 corresponding external library. All the components depending on that library
194 will become enabled, if all their other dependencies are met and they are not
195 explicitly disabled. E.g. --enable-libwavpack will enable linking to
196 libwavpack and allow the libwavpack encoder to be built, unless it is
197 specifically disabled with --disable-encoder=libwavpack.
199 Note that only the system libraries are auto-detected. All the other external
200 libraries must be explicitly enabled.
202 Also note that the following help text describes the purpose of the libraries
203 themselves, not all their features will necessarily be usable by FFmpeg.
205 --disable-alsa disable ALSA support [autodetect]
206 --disable-appkit disable Apple AppKit framework [autodetect]
207 --disable-avfoundation disable Apple AVFoundation framework [autodetect]
208 --enable-avisynth enable reading of AviSynth script files [no]
209 --disable-bzlib disable bzlib [autodetect]
210 --disable-coreimage disable Apple CoreImage framework [autodetect]
211 --enable-chromaprint enable audio fingerprinting with chromaprint [no]
212 --enable-frei0r enable frei0r video filtering [no]
213 --enable-gcrypt enable gcrypt, needed for rtmp(t)e support
214 if openssl, librtmp or gmp is not used [no]
215 --enable-gmp enable gmp, needed for rtmp(t)e support
216 if openssl or librtmp is not used [no]
217 --enable-gnutls enable gnutls, needed for https support
218 if openssl is not used [no]
219 --disable-iconv disable iconv [autodetect]
220 --enable-jni enable JNI support [no]
221 --enable-ladspa enable LADSPA audio filtering [no]
222 --enable-libass enable libass subtitles rendering,
223 needed for subtitles and ass filter [no]
224 --enable-libbluray enable BluRay reading using libbluray [no]
225 --enable-libbs2b enable bs2b DSP library [no]
226 --enable-libcaca enable textual display using libcaca [no]
227 --enable-libcelt enable CELT decoding via libcelt [no]
228 --enable-libcdio enable audio CD grabbing with libcdio [no]
229 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
231 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
232 --enable-libflite enable flite (voice synthesis) support via libflite [no]
233 --enable-libfontconfig enable libfontconfig, useful for drawtext filter [no]
234 --enable-libfreetype enable libfreetype, needed for drawtext filter [no]
235 --enable-libfribidi enable libfribidi, improves drawtext filter [no]
236 --enable-libgme enable Game Music Emu via libgme [no]
237 --enable-libgsm enable GSM de/encoding via libgsm [no]
238 --enable-libiec61883 enable iec61883 via libiec61883 [no]
239 --enable-libilbc enable iLBC de/encoding via libilbc [no]
240 --enable-libjack enable JACK audio sound server [no]
241 --enable-libkvazaar enable HEVC encoding via libkvazaar [no]
242 --enable-libmodplug enable ModPlug via libmodplug [no]
243 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
244 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
245 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
246 --enable-libopencv enable video filtering via libopencv [no]
247 --enable-libopenh264 enable H.264 encoding via OpenH264 [no]
248 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
249 --enable-libopenmpt enable decoding tracked files via libopenmpt [no]
250 --enable-libopus enable Opus de/encoding via libopus [no]
251 --enable-libpulse enable Pulseaudio input via libpulse [no]
252 --enable-librsvg enable SVG rasterization via librsvg [no]
253 --enable-librubberband enable rubberband needed for rubberband filter [no]
254 --enable-librtmp enable RTMP[E] support via librtmp [no]
255 --enable-libshine enable fixed-point MP3 encoding via libshine [no]
256 --enable-libsmbclient enable Samba protocol via libsmbclient [no]
257 --enable-libsnappy enable Snappy compression, needed for hap encoding [no]
258 --enable-libsoxr enable Include libsoxr resampling [no]
259 --enable-libspeex enable Speex de/encoding via libspeex [no]
260 --enable-libssh enable SFTP protocol via libssh [no]
261 --enable-libtesseract enable Tesseract, needed for ocr filter [no]
262 --enable-libtheora enable Theora encoding via libtheora [no]
263 --enable-libtwolame enable MP2 encoding via libtwolame [no]
264 --enable-libv4l2 enable libv4l2/v4l-utils [no]
265 --enable-libvidstab enable video stabilization using vid.stab [no]
266 --enable-libvmaf enable vmaf filter via libvmaf [no]
267 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
268 --enable-libvorbis enable Vorbis en/decoding via libvorbis,
269 native implementation exists [no]
270 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
271 --enable-libwavpack enable wavpack encoding via libwavpack [no]
272 --enable-libwebp enable WebP encoding via libwebp [no]
273 --enable-libx264 enable H.264 encoding via x264 [no]
274 --enable-libx265 enable HEVC encoding via x265 [no]
275 --enable-libxavs enable AVS encoding via xavs [no]
276 --enable-libxcb enable X11 grabbing using XCB [autodetect]
277 --enable-libxcb-shm enable X11 grabbing shm communication [autodetect]
278 --enable-libxcb-xfixes enable X11 grabbing mouse rendering [autodetect]
279 --enable-libxcb-shape enable X11 grabbing shape rendering [autodetect]
280 --enable-libxvid enable Xvid encoding via xvidcore,
281 native MPEG-4/Xvid encoder exists [no]
282 --enable-libxml2 enable XML parsing using the C library libxml2 [no]
283 --enable-libzimg enable z.lib, needed for zscale filter [no]
284 --enable-libzmq enable message passing via libzmq [no]
285 --enable-libzvbi enable teletext support via libzvbi [no]
286 --enable-lv2 enable LV2 audio filtering [no]
287 --disable-lzma disable lzma [autodetect]
288 --enable-decklink enable Blackmagic DeckLink I/O support [no]
289 --enable-libndi_newtek enable Newteck NDI I/O support [no]
290 --enable-mediacodec enable Android MediaCodec support [no]
291 --enable-libmysofa enable libmysofa, needed for sofalizer filter [no]
292 --enable-openal enable OpenAL 1.1 capture support [no]
293 --enable-opencl enable OpenCL processing [no]
294 --enable-opengl enable OpenGL rendering [no]
295 --enable-openssl enable openssl, needed for https support
296 if gnutls is not used [no]
297 --disable-sndio disable sndio support [autodetect]
298 --disable-schannel disable SChannel SSP, needed for TLS support on
299 Windows if openssl and gnutls are not used [autodetect]
300 --disable-sdl2 disable sdl2 [autodetect]
301 --disable-securetransport disable Secure Transport, needed for TLS support
302 on OSX if openssl and gnutls are not used [autodetect]
303 --disable-xlib disable xlib [autodetect]
304 --disable-zlib disable zlib [autodetect]
306 The following libraries provide various hardware acceleration features:
307 --disable-amf disable AMF video encoding code [autodetect]
308 --disable-audiotoolbox disable Apple AudioToolbox code [autodetect]
309 --disable-cuda disable dynamically linked Nvidia CUDA code [autodetect]
310 --enable-cuda-sdk enable CUDA features that require the CUDA SDK [no]
311 --disable-cuvid disable Nvidia CUVID support [autodetect]
312 --disable-d3d11va disable Microsoft Direct3D 11 video acceleration code [autodetect]
313 --disable-dxva2 disable Microsoft DirectX 9 video acceleration code [autodetect]
314 --enable-libdrm enable DRM code (Linux) [no]
315 --enable-libmfx enable Intel MediaSDK (AKA Quick Sync Video) code via libmfx [no]
316 --enable-libnpp enable Nvidia Performance Primitives-based code [no]
317 --enable-mmal enable Broadcom Multi-Media Abstraction Layer (Raspberry Pi) via MMAL [no]
318 --disable-nvdec disable Nvidia video decoding acceleration (via hwaccel) [autodetect]
319 --disable-nvenc disable Nvidia video encoding code [autodetect]
320 --enable-omx enable OpenMAX IL code [no]
321 --enable-omx-rpi enable OpenMAX IL code for Raspberry Pi [no]
322 --enable-rkmpp enable Rockchip Media Process Platform code [no]
323 --disable-vaapi disable Video Acceleration API (mainly Unix/Intel) code [autodetect]
324 --disable-vdpau disable Nvidia Video Decode and Presentation API for Unix code [autodetect]
325 --disable-videotoolbox disable VideoToolbox code [autodetect]
328 --arch=ARCH select architecture [$arch]
329 --cpu=CPU select the minimum required CPU (affects
330 instruction selection, may crash on older CPUs)
331 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
332 --progs-suffix=SUFFIX program name suffix []
333 --enable-cross-compile assume a cross-compiler is used
334 --sysroot=PATH root of cross-build tree
335 --sysinclude=PATH location of cross-build system headers
336 --target-os=OS compiler targets OS [$target_os]
337 --target-exec=CMD command to run executables on target
338 --target-path=DIR path to view of build directory on target
339 --target-samples=DIR path to samples directory on target
340 --tempprefix=PATH force fixed dir/prefix instead of mktemp for checks
341 --toolchain=NAME set tool defaults according to NAME
342 --nm=NM use nm tool NM [$nm_default]
343 --ar=AR use archive tool AR [$ar_default]
344 --as=AS use assembler AS [$as_default]
345 --ln_s=LN_S use symbolic link tool LN_S [$ln_s_default]
346 --strip=STRIP use strip tool STRIP [$strip_default]
347 --windres=WINDRES use windows resource compiler WINDRES [$windres_default]
348 --x86asmexe=EXE use nasm-compatible assembler EXE [$x86asmexe_default]
349 --cc=CC use C compiler CC [$cc_default]
350 --cxx=CXX use C compiler CXX [$cxx_default]
351 --objcc=OCC use ObjC compiler OCC [$cc_default]
352 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
353 --nvcc=NVCC use Nvidia CUDA compiler NVCC [$nvcc_default]
354 --ld=LD use linker LD [$ld_default]
355 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
356 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
357 --ranlib=RANLIB use ranlib RANLIB [$ranlib_default]
358 --doxygen=DOXYGEN use DOXYGEN to generate API doc [$doxygen_default]
359 --host-cc=HOSTCC use host C compiler HOSTCC
360 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
361 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
362 --host-ld=HOSTLD use host linker HOSTLD
363 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
364 --host-libs=HLIBS use libs HLIBS when linking for host
365 --host-os=OS compiler host OS [$target_os]
366 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
367 --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
368 --extra-objcflags=FLAGS add FLAGS to OBJCFLAGS [$CFLAGS]
369 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
370 --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
371 --extra-ldsoflags=ELDFLAGS add ELDFLAGS to LDSOFLAGS [$LDSOFLAGS]
372 --extra-libs=ELIBS add ELIBS [$ELIBS]
373 --extra-version=STRING version string suffix []
374 --optflags=OPTFLAGS override optimization-related compiler flags
375 --nvccflags=NVCCFLAGS override nvcc flags [$nvccflags_default]
376 --build-suffix=SUFFIX library name suffix []
377 --enable-pic build position-independent code
378 --enable-thumb compile for Thumb instruction set
379 --enable-lto use link-time optimization
380 --env="ENV=override" override the environment variables
382 Advanced options (experts only):
383 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
384 --custom-allocator=NAME use a supported custom allocator
385 --disable-symver disable symbol versioning
386 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
387 --disable-safe-bitstream-reader
388 disable buffer boundary checking in bitreaders
389 (faster, but may crash)
390 --sws-max-filter-size=N the max filter size swscale uses [$sws_max_filter_size_default]
392 Optimization options (experts only):
393 --disable-asm disable all assembly optimizations
394 --disable-altivec disable AltiVec optimizations
395 --disable-vsx disable VSX optimizations
396 --disable-power8 disable POWER8 optimizations
397 --disable-amd3dnow disable 3DNow! optimizations
398 --disable-amd3dnowext disable 3DNow! extended optimizations
399 --disable-mmx disable MMX optimizations
400 --disable-mmxext disable MMXEXT optimizations
401 --disable-sse disable SSE optimizations
402 --disable-sse2 disable SSE2 optimizations
403 --disable-sse3 disable SSE3 optimizations
404 --disable-ssse3 disable SSSE3 optimizations
405 --disable-sse4 disable SSE4 optimizations
406 --disable-sse42 disable SSE4.2 optimizations
407 --disable-avx disable AVX optimizations
408 --disable-xop disable XOP optimizations
409 --disable-fma3 disable FMA3 optimizations
410 --disable-fma4 disable FMA4 optimizations
411 --disable-avx2 disable AVX2 optimizations
412 --disable-aesni disable AESNI optimizations
413 --disable-armv5te disable armv5te optimizations
414 --disable-armv6 disable armv6 optimizations
415 --disable-armv6t2 disable armv6t2 optimizations
416 --disable-vfp disable VFP optimizations
417 --disable-neon disable NEON optimizations
418 --disable-inline-asm disable use of inline assembly
419 --disable-x86asm disable use of standalone x86 assembly
420 --disable-mipsdsp disable MIPS DSP ASE R1 optimizations
421 --disable-mipsdspr2 disable MIPS DSP ASE R2 optimizations
422 --disable-msa disable MSA optimizations
423 --disable-mipsfpu disable floating point MIPS optimizations
424 --disable-mmi disable Loongson SIMD optimizations
425 --disable-fast-unaligned consider unaligned accesses slow
427 Developer options (useful when working on FFmpeg itself):
428 --disable-debug disable debugging symbols
429 --enable-debug=LEVEL set the debug level [$debuglevel]
430 --disable-optimizations disable compiler optimizations
431 --enable-extra-warnings enable more compiler warnings
432 --disable-stripping disable stripping of executables and shared libraries
433 --assert-level=level 0(default), 1 or 2, amount of assertion testing,
434 2 causes a slowdown at runtime.
435 --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
436 --valgrind=VALGRIND run "make fate" tests through valgrind to detect memory
437 leaks and errors, using the specified valgrind binary.
438 Cannot be combined with --target-exec
439 --enable-ftrapv Trap arithmetic overflows
440 --samples=PATH location of test samples for FATE, if not set use
441 \$FATE_SAMPLES at make invocation time.
442 --enable-neon-clobber-test check NEON registers for clobbering (should be
443 used only for debugging purposes)
444 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
445 should be used only for debugging purposes)
446 --enable-random randomly enable/disable components
448 --enable-random=LIST randomly enable/disable specific components or
449 --disable-random=LIST component groups. LIST is a comma-separated list
450 of NAME[:PROB] entries where NAME is a component
451 (group) and PROB the probability associated with
453 --random-seed=VALUE seed value for --enable/disable-random
454 --disable-valgrind-backtrace do not print a backtrace under Valgrind
455 (only applies to --disable-optimizations builds)
456 --enable-osfuzz Enable building fuzzer tool
457 --libfuzzer=PATH path to libfuzzer
458 --ignore-tests=TESTS comma-separated list (without "fate-" prefix
459 in the name) of tests whose result is ignored
460 --enable-linux-perf enable Linux Performance Monitor API
462 NOTE: Object files are built at the place where configure is launched.
467 if test -t 1 && which tput >/dev/null 2>&1; then
468 ncolors=$(tput colors)
469 if test -n "$ncolors" && test $ncolors -ge 8; then
470 bold_color=$(tput bold)
471 warn_color=$(tput setaf 3)
472 error_color=$(tput setaf 1)
473 reset_color=$(tput sgr0)
475 # 72 used instead of 80 since that's the default of pr
481 echo "$@" >> $logfile
486 pr -n -t $1 >> $logfile
492 WARNINGS="${WARNINGS}WARNING: $*\n"
497 echo "$error_color$bold_color$@$reset_color"
500 If you think configure made a mistake, make sure you are using the latest
501 version from Git. If the latest version fails, report the problem to the
502 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
504 if disabled logging; then
506 Rerun configure with logging enabled (do not use --disable-logging), and
507 include the log this produces with your report.
511 Include the log file "$logfile" produced by configure as this will help
518 # Avoid locale weirdness, besides we really just want to translate ASCII.
520 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
524 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
528 echo "$*" | sed 's/["\\]/\\\0/g'
532 v=$(echo "$1" | sed "s/'/'\\\\''/g")
533 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
538 echo "$@" | sed 's/^ *//;s/[[:space:]][[:space:]]*/ /g;s/ *$//'
545 eval "case '$v' in $pat) printf '%s ' '$v' ;; esac"
553 eval "case '$v' in $pat) ;; *) printf '%s ' '$v' ;; esac"
560 for v; do eval $m; done
566 for v; do echo ${v}${suffix}; done
581 eval : \${$var:=$value}
586 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
592 eval $(sanitize_var_name "$var")='$*'
596 eval echo \$$(sanitize_var_name "$1")
601 eval level=\${${pvar}_level:=0}
602 eval ${pvar}_${level}="\$$pvar"
603 eval ${pvar}_level=$(($level+1))
609 eval level=\${${pvar}_level:-0}
610 test $level = 0 && continue
611 eval level=$(($level-1))
612 eval $pvar="\${${pvar}_${level}}"
613 eval ${pvar}_level=$level
614 eval unset ${pvar}_${level}
620 eval ${var}_requested=yes
643 enable $(sanitize_var_name $var)
649 disable $(sanitize_var_name $var)
655 enabled $var && continue
656 eval sel="\$${var}_select"
657 eval sgs="\$${var}_suggest"
661 enable_deep_weak $sgs
673 disabled $var && continue
682 test "${1#!}" = "$1" && op="=" || op="!="
683 eval test "x\$${1#!}_requested" $op "xyes"
687 test "${1#!}" = "$1" && op="=" || op="!="
688 eval test "x\$${1#!}" $op "xyes"
692 test "${1#!}" = "$1" && op="=" || op="!="
693 eval test "x\$${1#!}" $op "xno"
698 enabled $opt || return 1
704 disabled $opt || return 1
710 enabled $opt && return 0
716 disabled $opt && return 0
723 eval : \${$opt:=\$${opt}_default}
731 [ $var = $value ] && return 0
738 enabled ${cfg}_checking && die "Circular dependency for $cfg."
739 disabled ${cfg}_checking && continue
740 enable ${cfg}_checking
742 eval dep_all="\$${cfg}_deps"
743 eval dep_any="\$${cfg}_deps_any"
744 eval dep_con="\$${cfg}_conflict"
745 eval dep_sel="\$${cfg}_select"
746 eval dep_sgs="\$${cfg}_suggest"
747 eval dep_ifa="\$${cfg}_if"
748 eval dep_ifn="\$${cfg}_if_any"
750 pushvar cfg dep_all dep_any dep_con dep_sel dep_sgs dep_ifa dep_ifn
751 check_deps $dep_all $dep_any $dep_con $dep_sel $dep_sgs $dep_ifa $dep_ifn
752 popvar cfg dep_all dep_any dep_con dep_sel dep_sgs dep_ifa dep_ifn
754 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
755 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
756 enabled_all $dep_all || { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but not all dependencies are satisfied: $dep_all"; }
757 enabled_any $dep_any || { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but not any dependency is satisfied: $dep_any"; }
758 disabled_all $dep_con || { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but some conflicting dependencies are unsatisfied: $dep_con"; }
759 disabled_any $dep_sel && { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but some selected dependency is unsatisfied: $dep_sel"; }
761 enabled $cfg && enable_deep_weak $dep_sel $dep_sgs
763 for dep in $dep_all $dep_any $dep_sel $dep_sgs; do
764 # filter out library deps, these do not belong in extralibs
765 is_in $dep $LIBRARY_LIST && continue
766 enabled $dep && eval append ${cfg}_extralibs ${dep}_extralibs
769 disable ${cfg}_checking
777 map 'eval echo "$v \${$v:-no}"' "$@" |
778 awk "BEGIN { split(\"$files\", files) }
780 c = \"$pfx\" toupper(\$1);
786 if (file ~ /\\.h\$/) {
787 printf(\"#define %s %d\\n\", c, v) >>file;
788 } else if (file ~ /\\.asm\$/) {
789 printf(\"%%define %s %d\\n\", c, v) >>file;
790 } else if (file ~ /\\.mak\$/) {
791 n = -v ? \"\" : \"!\";
792 printf(\"%s%s=yes\\n\", n, c) >>file;
793 } else if (file ~ /\\.texi\$/) {
794 pre = -v ? \"\" : \"@c \";
797 gsub(/_/, \"-\", c2);
798 printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
808 enabled $v && printf "%s\n" ${v%$suf}
815 eval "$var=\"\$$var $*\""
821 eval "$var=\"$* \$$var\""
827 for tok in $(eval echo \$$var); do
828 uniq_list="$(filter_out $tok $uniq_list) $tok"
830 eval "$var=\"${uniq_list}\""
836 for entry in $(eval echo \$$var); do
837 tmpvar="$tmpvar $(eval echo \$${entry})"
839 eval "$var=\"${tmpvar}\""
847 append CFLAGS $($cflags_filter "$@")
850 add_cflags_headers(){
851 append CFLAGS_HEADERS $($cflags_filter "$@")
855 append CXXFLAGS $($cflags_filter "$@")
859 append ASFLAGS $($asflags_filter "$@")
863 append OBJCFLAGS $($objcflags_filter "$@")
867 append LDFLAGS $($ldflags_filter "$@")
871 append LDEXEFLAGS $($ldflags_filter "$@")
875 append LDSOFLAGS $($ldflags_filter "$@")
879 append ASMSTRIPFLAGS "$@"
883 prepend extralibs $($ldflags_filter "$@")
887 append host_cppflags "$@"
891 append host_cflags $($host_cflags_filter "$@")
895 append host_ldflags $($host_ldflags_filter "$@")
899 append compat_objs $1
901 map 'add_cppflags -D$v' "$@"
906 "$@" >> $logfile 2>&1
911 stat "$1" >> $logfile 2>&1
915 eval printf '%s\\n' $CC_O
919 eval printf '%s\\n' $CC_E
926 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
933 check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
940 check_cmd $objcc -Werror=missing-prototypes $CPPFLAGS $CFLAGS $OBJCFLAGS "$@" $OBJCC_C $(cc_o $TMPO) $TMPM
947 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
951 eval printf '%s\\n' $AS_O
958 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
962 log check_inline_asm "$@"
967 check_cc "$@" <<EOF && enable $name
968 void foo(void){ __asm__ volatile($code); }
972 check_inline_asm_flags(){
973 log check_inline_asm_flags "$@"
978 while [ "$1" != "" ]; do
984 void foo(void){ __asm__ volatile($code); }
987 check_cmd $cc $CPPFLAGS $CFLAGS $flags "$@" $CC_C $(cc_o $TMPO) $TMPC &&
988 enable $name && add_cflags $flags && add_asflags $flags && add_ldflags $flags
993 check_inline_asm ${1}_inline "\"$2\""
994 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
998 log check_x86asm "$@"
1002 check_cmd $x86asmexe $X86ASMFLAGS -Werror "$@" -o $TMPO $TMPS
1006 eval printf '%s\\n' $LD_O
1013 flags=$(filter_out '-l*|*.so' $@)
1014 libs=$(filter '-l*|*.so' $@)
1015 check_$type $($cflags_filter $flags) || return
1016 flags=$($ldflags_filter $flags)
1017 libs=$($ldflags_filter $libs)
1018 check_cmd $ld $LDFLAGS $LDEXEFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
1023 test "${hdr%.h}" = "${hdr}" &&
1024 echo "#include $hdr" ||
1025 echo "#include <$hdr>"
1035 for hdr in $headers; do
1038 echo "int main(void) { $code; return 0; }"
1039 } | check_$check "$@"
1043 log check_cppflags "$@"
1044 check_cpp "$@" <<EOF && append CPPFLAGS "$@"
1050 log test_cflags "$@"
1051 set -- $($cflags_filter "$@")
1058 log check_cflags "$@"
1059 test_cflags "$@" && add_cflags "$@"
1063 log check_cxxflags "$@"
1064 set -- $($cflags_filter "$@")
1065 check_cxx "$@" <<EOF && append CXXFLAGS "$@"
1071 log test_objcflags "$@"
1072 set -- $($objcflags_filter "$@")
1073 check_objcc "$@" <<EOF
1079 log check_objcflags "$@"
1080 test_objcflags "$@" && add_objcflags "$@"
1084 log test_ldflags "$@"
1085 set -- $($ldflags_filter "$@")
1086 check_ld "cc" "$@" <<EOF
1087 int main(void){ return 0; }
1092 log check_ldflags "$@"
1093 test_ldflags "$@" && add_ldflags "$@"
1097 log test_stripflags "$@"
1098 # call check_cc to get a fresh TMPO
1100 int main(void) { return 0; }
1102 check_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO
1106 log check_stripflags "$@"
1107 test_stripflags "$@" && add_stripflags "$@"
1111 log check_header "$@"
1114 disable_sanitized $headers
1116 for hdr in $headers; do
1120 } | check_cpp "$@" && enable_sanitized $headers
1123 check_header_objcc(){
1124 log check_header_objcc "$@"
1128 disable_sanitized $header
1130 echo "#include <$header>"
1131 echo "int main(void) { return 0; }"
1132 } | check_objcc && check_stat "$TMPO" && enable_sanitized $header
1135 check_apple_framework(){
1136 log check_apple_framework "$@"
1138 name="$(tolower $framework)"
1139 header="${framework}/${framework}.h"
1141 check_header_objcc $header &&
1142 enable $name && eval ${name}_extralibs='"-framework $framework"'
1150 check_ld "cc" "$@" <<EOF && enable $func
1152 int main(void){ $func(); }
1156 check_complexfunc(){
1157 log check_complexfunc "$@"
1161 test $narg = 2 && args="f, g" || args="f * I"
1163 check_ld "cc" "$@" <<EOF && enable $func
1164 #include <complex.h>
1166 float foo(complex float f, complex float g) { return $func($args); }
1167 int main(void){ return (int) foo; }
1172 log check_mathfunc "$@"
1176 test $narg = 2 && args="f, g" || args="f"
1178 check_ld "cc" "$@" <<EOF && enable $func
1180 float foo(float f, float g) { return $func($args); }
1181 int main(void){ return (int) foo; }
1185 check_func_headers(){
1186 log check_func_headers "$@"
1191 for hdr in $headers; do
1194 echo "#include <stdint.h>"
1195 for func in $funcs; do
1196 echo "long check_$func(void) { return (long) $func; }"
1198 echo "int main(void) { int ret = 0;"
1199 # LTO could optimize out the test functions without this
1200 for func in $funcs; do
1201 echo " ret |= ((intptr_t)check_$func) & 0xFFFF;"
1203 echo "return ret; }"
1204 } | check_ld "cc" "$@" && enable $funcs && enable_sanitized $headers
1207 check_class_headers_cpp(){
1208 log check_class_headers_cpp "$@"
1213 for hdr in $headers; do
1214 echo "#include <$hdr>"
1216 echo "int main(void) { "
1218 for class in $classes; do
1219 echo "$class obj$i;"
1223 } | check_ld "cxx" "$@" && enable $funcs && enable_sanitized $headers
1226 check_cpp_condition(){
1227 log check_cpp_condition "$@"
1231 check_cpp "$@" <<EOF
1234 #error "unsatisfied condition: $condition"
1240 log test_cflags_cc "$@"
1245 set -- $($cflags_filter "$flags")
1249 #error "unsatisfied condition: $condition"
1261 check_func_headers "$headers" "$funcs" "$@" &&
1262 enable $name && eval ${name}_extralibs="\$@"
1266 log check_lib_cpp "$@"
1272 check_class_headers_cpp "$headers" "$classes" "$@" &&
1273 enable $name && eval ${name}_extralibs="\$@"
1277 log test_pkg_config "$@"
1285 check_cmd $pkg_config --exists --print-errors $pkg_version || return
1286 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1287 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1288 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1290 set_sanitized "${name}_cflags" $pkg_cflags &&
1291 set_sanitized "${name}_extralibs" $pkg_libs
1295 log check_pkg_config "$@"
1297 test_pkg_config "$@" &&
1298 eval add_cflags \$${name}_cflags
1302 check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1306 log check_exec_crash "$@"
1309 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1310 # are safe but may not be available everywhere. Thus we use
1311 # raise(SIGTERM) instead. The check is run in a subshell so we
1312 # can redirect the "Terminated" message from the shell. SIGBUS
1313 # is not defined by standard C so it is used conditionally.
1315 (check_exec "$@") >> $logfile 2>&1 <<EOF
1317 static void sighandler(int sig){
1323 int (*func_ptr)(void) = foo;
1325 signal(SIGILL, sighandler);
1326 signal(SIGFPE, sighandler);
1327 signal(SIGSEGV, sighandler);
1329 signal(SIGBUS, sighandler);
1341 disable_sanitized "$type"
1342 check_code cc "$headers" "$type v" "$@" && enable_sanitized "$type"
1346 log check_struct "$@"
1351 disable_sanitized "${struct}_${member}"
1352 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1353 enable_sanitized "${struct}_${member}"
1357 log check_builtin "$@"
1363 check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1366 check_compile_assert(){
1367 log check_compile_assert "$@"
1373 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1383 check_lib $name "$headers" $func "$@" || die "ERROR: $name_version not found"
1391 check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1395 log require_header "$@"
1398 check_header "$headers" "$@" || die "ERROR: $headers not found"
1401 require_cpp_condition(){
1402 log require_cpp_condition "$@"
1406 check_cpp_condition "$header" "$condition" "$@" || die "ERROR: $condition not satisfied"
1409 require_pkg_config(){
1410 log require_pkg_config "$@"
1412 check_pkg_config "$@" || die "ERROR: $pkg_version not found using pkg-config$pkg_config_fail_message"
1416 eval printf '%s\\n' $HOSTCC_E
1420 eval printf '%s\\n' $HOSTCC_O
1424 log check_host_cc "$@"
1427 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1431 log check_host_cpp "$@"
1434 check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1437 check_host_cppflags(){
1438 log check_host_cppflags "$@"
1439 check_host_cpp "$@" <<EOF && append host_cppflags "$@"
1444 check_host_cflags(){
1445 log check_host_cflags "$@"
1446 set -- $($host_cflags_filter "$@")
1447 check_host_cc "$@" <<EOF && append host_cflags "$@"
1452 check_host_cpp_condition(){
1453 log check_host_cpp_condition "$@"
1457 check_host_cpp "$@" <<EOF
1460 #error "unsatisfied condition: $condition"
1466 cmp -s "$1" "$2" && { test "$quiet" != "yes" && echo "$2 is unchanged"; } && return
1467 mkdir -p "$(dirname $2)"
1471 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1472 # system-dependent things.
1474 AVCODEC_COMPONENTS="
1482 AVDEVICE_COMPONENTS="
1487 AVFILTER_COMPONENTS="
1491 AVFORMAT_COMPONENTS="
1499 $AVDEVICE_COMPONENTS
1500 $AVFILTER_COMPONENTS
1501 $AVFORMAT_COMPONENTS
1505 avio_dir_cmd_example
1506 avio_reading_example
1507 decode_audio_example
1508 decode_video_example
1509 demuxing_decoding_example
1510 encode_audio_example
1511 encode_video_example
1513 filter_audio_example
1514 filtering_audio_example
1515 filtering_video_example
1516 http_multiclient_example
1522 resampling_audio_example
1523 scaling_video_example
1524 transcode_aac_example
1526 vaapi_encode_example
1529 EXTERNAL_AUTODETECT_LIBRARY_LIST="
1549 EXTERNAL_LIBRARY_GPL_LIST="
1561 EXTERNAL_LIBRARY_NONFREE_LIST="
1568 EXTERNAL_LIBRARY_VERSION3_LIST="
1577 EXTERNAL_LIBRARY_GPLV3_LIST="
1581 EXTERNAL_LIBRARY_LIST="
1582 $EXTERNAL_LIBRARY_GPL_LIST
1583 $EXTERNAL_LIBRARY_NONFREE_LIST
1584 $EXTERNAL_LIBRARY_VERSION3_LIST
1585 $EXTERNAL_LIBRARY_GPLV3_LIST
1643 HWACCEL_AUTODETECT_LIBRARY_LIST="
1660 # catchall list of things that require external libs to link
1666 HWACCEL_LIBRARY_NONFREE_LIST="
1671 HWACCEL_LIBRARY_LIST="
1672 $HWACCEL_LIBRARY_NONFREE_LIST
1693 safe_bitstream_reader
1740 # COMPONENT_LIST needs to come last to ensure correct dependency checking
1744 $EXTERNAL_LIBRARY_LIST
1745 $EXTERNAL_AUTODETECT_LIBRARY_LIST
1746 $HWACCEL_LIBRARY_LIST
1747 $HWACCEL_AUTODETECT_LIBRARY_LIST
1779 $EXTERNAL_AUTODETECT_LIBRARY_LIST
1780 $HWACCEL_AUTODETECT_LIBRARY_LIST
1822 ARCH_EXT_LIST_MIPS="
1834 ARCH_EXT_LIST_LOONGSON="
1840 ARCH_EXT_LIST_X86_SIMD="
1869 $ARCH_EXT_LIST_X86_SIMD
1879 $ARCH_EXT_LIST_LOONGSON
1900 sync_val_compare_and_swap
1917 cdio_paranoia_paranoia_h
1920 dev_bktr_ioctl_bt848_h
1921 dev_bktr_ioctl_meteor_h
1923 dev_video_bktr_ioctl_bt848_h
1924 dev_video_meteor_ioctl_meteor_h
1932 machine_ioctl_bt848_h
1933 machine_ioctl_meteor_h
1935 opencv2_core_core_c_h
1998 MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS
2016 GetProcessAffinityMask
2017 GetProcessMemoryInfo
2020 GetSystemTimeAsFileTime
2043 SetConsoleTextAttribute
2044 SetConsoleCtrlHandler
2052 UTGetOSTypeFromString
2064 TOOLCHAIN_FEATURES="
2076 inline_asm_direct_symbol_refs
2078 inline_asm_nonlocal_labels
2089 CONDITION_VARIABLE_Ptr
2090 kCMVideoCodecType_HEVC
2093 struct_group_source_req
2094 struct_ip_mreq_source
2096 struct_msghdr_msg_flags
2098 struct_rusage_ru_maxrss
2099 struct_sctp_event_subscribe
2101 struct_sockaddr_sa_len
2102 struct_sockaddr_storage
2103 struct_stat_st_mtim_tv_nsec
2104 struct_v4l2_frmivalenum_discrete
2109 $(add_suffix _external $ARCH_EXT_LIST)
2110 $(add_suffix _inline $ARCH_EXT_LIST)
2131 opencl_vaapi_beignet
2132 opencl_vaapi_intel_media
2138 # options emitted with CONFIG_ prefix but not available on the command line
2160 frame_thread_encoder
2316 # code dependency declarations
2318 # architecture extensions
2323 armv8_deps="aarch64"
2324 neon_deps_any="aarch64 arm"
2325 intrinsics_neon_deps="neon"
2326 vfp_deps_any="aarch64 arm"
2330 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
2339 loongson2_deps="mips"
2340 loongson3_deps="mips"
2341 mips32r2_deps="mips"
2342 mips32r5_deps="mips"
2343 mips32r6_deps="mips"
2344 mips64r2_deps="mips"
2345 mips64r6_deps="mips"
2348 mipsdspr2_deps="mips"
2353 x86_64_select="i686"
2354 x86_64_suggest="fast_cmov"
2357 amd3dnowext_deps="amd3dnow"
2374 mmx_external_deps="x86asm"
2375 mmx_inline_deps="inline_asm x86"
2376 mmx_suggest="mmx_external mmx_inline"
2378 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
2379 eval dep=\$${ext}_deps
2380 eval ${ext}_external_deps='"${dep}_external"'
2381 eval ${ext}_inline_deps='"${dep}_inline"'
2382 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
2385 aligned_stack_if_any="aarch64 ppc x86"
2386 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
2387 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
2388 fast_unaligned_if_any="aarch64 ppc x86"
2389 simd_align_16_if_any="altivec neon sse"
2390 simd_align_32_if_any="avx"
2392 # system capabilities
2393 symver_if_any="symver_asm_label symver_gnu_asm"
2394 valgrind_backtrace_conflict="optimizations"
2395 valgrind_backtrace_deps="valgrind_valgrind_h"
2398 atomics_gcc_if="sync_val_compare_and_swap"
2399 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
2400 atomics_win32_if="MemoryBarrier"
2401 atomics_native_if_any="$ATOMICS_LIST"
2402 w32threads_deps="atomics_native"
2403 threads_if_any="$THREADS_LIST"
2406 cbs_h264_select="cbs golomb"
2407 cbs_h265_select="cbs golomb"
2408 cbs_mpeg2_select="cbs"
2410 dirac_parse_select="golomb"
2411 error_resilience_select="me_cmp"
2413 faandct_select="fdctdsp"
2414 faanidct_deps="faan"
2415 faanidct_select="idctdsp"
2416 h264dsp_select="startcode"
2417 hevcparse_select="golomb"
2418 frame_thread_encoder_deps="encoders threads"
2419 intrax8_select="blockdsp idctdsp"
2422 me_cmp_select="fdctdsp idctdsp pixblockdsp"
2423 mpeg_er_select="error_resilience"
2424 mpegaudio_select="mpegaudiodsp mpegaudioheader"
2425 mpegaudiodsp_select="dct"
2426 mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp mpeg_er videodsp"
2427 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
2428 vc1dsp_select="h264chroma qpeldsp startcode"
2431 # decoders / encoders
2432 aac_decoder_select="adts_header mdct15 mdct sinewin"
2433 aac_fixed_decoder_select="mdct sinewin"
2434 aac_encoder_select="audio_frame_queue iirfilter lpc mdct sinewin"
2435 aac_latm_decoder_select="aac_decoder aac_latm_parser"
2436 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
2437 ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"
2438 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
2439 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
2440 adpcm_g722_decoder_select="g722dsp"
2441 adpcm_g722_encoder_select="g722dsp"
2442 aic_decoder_select="golomb idctdsp"
2443 alac_encoder_select="lpc"
2444 als_decoder_select="bswapdsp"
2445 amrnb_decoder_select="lsp"
2446 amrwb_decoder_select="lsp"
2447 amv_decoder_select="sp5x_decoder exif"
2448 amv_encoder_select="aandcttables jpegtables mpegvideoenc"
2449 ape_decoder_select="bswapdsp llauddsp"
2450 apng_decoder_deps="zlib"
2451 apng_encoder_deps="zlib"
2452 apng_encoder_select="llvidencdsp"
2453 aptx_decoder_select="audio_frame_queue"
2454 aptx_encoder_select="audio_frame_queue"
2455 asv1_decoder_select="blockdsp bswapdsp idctdsp"
2456 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
2457 asv2_decoder_select="blockdsp bswapdsp idctdsp"
2458 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
2459 atrac1_decoder_select="mdct sinewin"
2460 atrac3_decoder_select="mdct"
2461 atrac3p_decoder_select="mdct sinewin"
2462 avrn_decoder_select="exif jpegtables"
2463 bink_decoder_select="blockdsp hpeldsp"
2464 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
2465 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
2466 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
2467 clearvideo_decoder_select="idctdsp"
2468 cllc_decoder_select="bswapdsp"
2469 comfortnoise_encoder_select="lpc"
2470 cook_decoder_select="audiodsp mdct sinewin"
2471 cscd_decoder_select="lzo"
2472 cscd_decoder_suggest="zlib"
2473 dca_decoder_select="mdct"
2474 dds_decoder_select="texturedsp"
2475 dirac_decoder_select="dirac_parse dwt golomb videodsp mpegvideoenc"
2476 dnxhd_decoder_select="blockdsp idctdsp"
2477 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
2478 dolby_e_decoder_select="mdct"
2479 dvvideo_decoder_select="dvprofile idctdsp"
2480 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
2481 dxa_decoder_deps="zlib"
2482 dxv_decoder_select="lzf texturedsp"
2483 eac3_decoder_select="ac3_decoder"
2484 eac3_encoder_select="ac3_encoder"
2485 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
2486 eatgq_decoder_select="aandcttables"
2487 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp"
2488 exr_decoder_deps="zlib"
2489 ffv1_decoder_select="rangecoder"
2490 ffv1_encoder_select="rangecoder"
2491 ffvhuff_decoder_select="huffyuv_decoder"
2492 ffvhuff_encoder_select="huffyuv_encoder"
2493 fic_decoder_select="golomb"
2494 flac_decoder_select="flacdsp"
2495 flac_encoder_select="bswapdsp flacdsp lpc"
2496 flashsv2_decoder_deps="zlib"
2497 flashsv2_encoder_deps="zlib"
2498 flashsv_decoder_deps="zlib"
2499 flashsv_encoder_deps="zlib"
2500 flv_decoder_select="h263_decoder"
2501 flv_encoder_select="h263_encoder"
2502 fourxm_decoder_select="blockdsp bswapdsp"
2503 fraps_decoder_select="bswapdsp huffman"
2504 g2m_decoder_deps="zlib"
2505 g2m_decoder_select="blockdsp idctdsp jpegtables"
2506 g729_decoder_select="audiodsp"
2507 h261_decoder_select="mpegvideo"
2508 h261_encoder_select="aandcttables mpegvideoenc"
2509 h263_decoder_select="h263_parser h263dsp mpegvideo qpeldsp"
2510 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
2511 h263i_decoder_select="h263_decoder"
2512 h263p_decoder_select="h263_decoder"
2513 h263p_encoder_select="h263_encoder"
2514 h264_decoder_select="cabac golomb h264chroma h264dsp h264parse h264pred h264qpel videodsp"
2515 h264_decoder_suggest="error_resilience"
2516 hap_decoder_select="snappy texturedsp"
2517 hap_encoder_deps="libsnappy"
2518 hap_encoder_select="texturedspenc"
2519 hevc_decoder_select="bswapdsp cabac golomb hevcparse videodsp"
2520 huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"
2521 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llvidencdsp"
2522 iac_decoder_select="imc_decoder"
2523 imc_decoder_select="bswapdsp fft mdct sinewin"
2524 indeo3_decoder_select="hpeldsp"
2525 indeo4_decoder_select="ividsp"
2526 indeo5_decoder_select="ividsp"
2527 interplay_video_decoder_select="hpeldsp"
2528 jpegls_decoder_select="mjpeg_decoder"
2529 jv_decoder_select="blockdsp"
2530 lagarith_decoder_select="llviddsp"
2531 ljpeg_encoder_select="aandcttables idctdsp jpegtables mpegvideoenc"
2532 magicyuv_decoder_select="llviddsp"
2533 magicyuv_encoder_select="llvidencdsp"
2534 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2535 metasound_decoder_select="lsp mdct sinewin"
2536 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2537 mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"
2538 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
2539 mjpegb_decoder_select="mjpeg_decoder"
2540 mlp_decoder_select="mlp_parser"
2541 mlp_encoder_select="lpc"
2542 motionpixels_decoder_select="bswapdsp"
2543 mp1_decoder_select="mpegaudio"
2544 mp1float_decoder_select="mpegaudio"
2545 mp2_decoder_select="mpegaudio"
2546 mp2float_decoder_select="mpegaudio"
2547 mp3_decoder_select="mpegaudio"
2548 mp3adu_decoder_select="mpegaudio"
2549 mp3adufloat_decoder_select="mpegaudio"
2550 mp3float_decoder_select="mpegaudio"
2551 mp3on4_decoder_select="mpegaudio"
2552 mp3on4float_decoder_select="mpegaudio"
2553 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2554 mpc8_decoder_select="mpegaudiodsp"
2555 mpegvideo_decoder_select="mpegvideo"
2556 mpeg1video_decoder_select="mpegvideo"
2557 mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"
2558 mpeg2video_decoder_select="mpegvideo"
2559 mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"
2560 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2561 mpeg4_encoder_select="h263_encoder"
2562 msa1_decoder_select="mss34dsp"
2563 mscc_decoder_deps="zlib"
2564 msmpeg4v1_decoder_select="h263_decoder"
2565 msmpeg4v2_decoder_select="h263_decoder"
2566 msmpeg4v2_encoder_select="h263_encoder"
2567 msmpeg4v3_decoder_select="h263_decoder"
2568 msmpeg4v3_encoder_select="h263_encoder"
2569 mss2_decoder_select="mpegvideo qpeldsp vc1_decoder"
2570 mts2_decoder_select="mss34dsp"
2571 mxpeg_decoder_select="mjpeg_decoder"
2572 nellymoser_decoder_select="mdct sinewin"
2573 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2574 nuv_decoder_select="idctdsp lzo"
2575 on2avc_decoder_select="mdct"
2576 opus_decoder_deps="swresample"
2577 opus_decoder_select="mdct15"
2578 opus_encoder_select="audio_frame_queue mdct15"
2579 png_decoder_deps="zlib"
2580 png_encoder_deps="zlib"
2581 png_encoder_select="llvidencdsp"
2582 prores_decoder_select="blockdsp idctdsp"
2583 prores_encoder_select="fdctdsp"
2584 qcelp_decoder_select="lsp"
2585 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2586 ra_144_decoder_select="audiodsp"
2587 ra_144_encoder_select="audio_frame_queue lpc audiodsp"
2588 ralf_decoder_select="golomb"
2589 rawvideo_decoder_select="bswapdsp"
2590 rscc_decoder_deps="zlib"
2591 rtjpeg_decoder_select="me_cmp"
2592 rv10_decoder_select="h263_decoder"
2593 rv10_encoder_select="h263_encoder"
2594 rv20_decoder_select="h263_decoder"
2595 rv20_encoder_select="h263_encoder"
2596 rv30_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2597 rv40_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2598 screenpresso_decoder_deps="zlib"
2599 shorten_decoder_select="bswapdsp"
2600 sipr_decoder_select="lsp"
2601 snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"
2602 snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"
2603 sonic_decoder_select="golomb rangecoder"
2604 sonic_encoder_select="golomb rangecoder"
2605 sonic_ls_encoder_select="golomb rangecoder"
2606 sp5x_decoder_select="mjpeg_decoder"
2607 srgc_decoder_deps="zlib"
2608 svq1_decoder_select="hpeldsp"
2609 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2610 svq3_decoder_select="golomb h264dsp h264parse h264pred hpeldsp tpeldsp videodsp"
2611 svq3_decoder_suggest="zlib"
2612 tak_decoder_select="audiodsp"
2613 tdsc_decoder_deps="zlib"
2614 tdsc_decoder_select="mjpeg_decoder"
2615 theora_decoder_select="vp3_decoder"
2616 thp_decoder_select="mjpeg_decoder"
2617 tiff_decoder_suggest="zlib lzma"
2618 tiff_encoder_suggest="zlib"
2619 truehd_decoder_select="mlp_parser"
2620 truehd_encoder_select="lpc"
2621 truemotion2_decoder_select="bswapdsp"
2622 truespeech_decoder_select="bswapdsp"
2623 tscc_decoder_deps="zlib"
2624 twinvq_decoder_select="mdct lsp sinewin"
2625 txd_decoder_select="texturedsp"
2626 utvideo_decoder_select="bswapdsp llviddsp"
2627 utvideo_encoder_select="bswapdsp huffman llvidencdsp"
2628 vble_decoder_select="llviddsp"
2629 vc1_decoder_select="blockdsp h263_decoder h264qpel intrax8 mpegvideo vc1dsp"
2630 vc1image_decoder_select="vc1_decoder"
2631 vorbis_decoder_select="mdct"
2632 vorbis_encoder_select="mdct"
2633 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2634 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"
2635 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"
2636 vp6a_decoder_select="vp6_decoder"
2637 vp6f_decoder_select="vp6_decoder"
2638 vp7_decoder_select="h264pred videodsp vp8dsp"
2639 vp8_decoder_select="h264pred videodsp vp8dsp"
2640 vp9_decoder_select="videodsp vp9_parser"
2641 webp_decoder_select="vp8_decoder exif"
2642 wmalossless_decoder_select="llauddsp"
2643 wmapro_decoder_select="mdct sinewin wma_freqs"
2644 wmav1_decoder_select="mdct sinewin wma_freqs"
2645 wmav1_encoder_select="mdct sinewin wma_freqs"
2646 wmav2_decoder_select="mdct sinewin wma_freqs"
2647 wmav2_encoder_select="mdct sinewin wma_freqs"
2648 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2649 wmv1_decoder_select="h263_decoder"
2650 wmv1_encoder_select="h263_encoder"
2651 wmv2_decoder_select="blockdsp error_resilience h263_decoder idctdsp intrax8 videodsp wmv2dsp"
2652 wmv2_encoder_select="h263_encoder wmv2dsp"
2653 wmv3_decoder_select="vc1_decoder"
2654 wmv3image_decoder_select="wmv3_decoder"
2655 xma1_decoder_select="wmapro_decoder"
2656 xma2_decoder_select="wmapro_decoder"
2657 zerocodec_decoder_deps="zlib"
2658 zlib_decoder_deps="zlib"
2659 zlib_encoder_deps="zlib"
2660 zmbv_decoder_deps="zlib"
2661 zmbv_encoder_deps="zlib"
2663 # hardware accelerators
2664 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
2665 cuda_deps_any="libdl LoadLibrary"
2667 d3d11va_deps="dxva_h ID3D11VideoDecoder ID3D11VideoContext"
2668 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode ole32 user32"
2670 videotoolbox_hwaccel_deps="videotoolbox pthreads"
2671 videotoolbox_hwaccel_extralibs="-framework QuartzCore"
2672 xvmc_deps="X11_extensions_XvMClib_h"
2674 h263_vaapi_hwaccel_deps="vaapi"
2675 h263_vaapi_hwaccel_select="h263_decoder"
2676 h263_videotoolbox_hwaccel_deps="videotoolbox"
2677 h263_videotoolbox_hwaccel_select="h263_decoder"
2678 h264_d3d11va_hwaccel_deps="d3d11va"
2679 h264_d3d11va_hwaccel_select="h264_decoder"
2680 h264_d3d11va2_hwaccel_deps="d3d11va"
2681 h264_d3d11va2_hwaccel_select="h264_decoder"
2682 h264_dxva2_hwaccel_deps="dxva2"
2683 h264_dxva2_hwaccel_select="h264_decoder"
2684 h264_nvdec_hwaccel_deps="nvdec"
2685 h264_nvdec_hwaccel_select="h264_decoder"
2686 h264_vaapi_hwaccel_deps="vaapi"
2687 h264_vaapi_hwaccel_select="h264_decoder"
2688 h264_vdpau_hwaccel_deps="vdpau"
2689 h264_vdpau_hwaccel_select="h264_decoder"
2690 h264_videotoolbox_hwaccel_deps="videotoolbox"
2691 h264_videotoolbox_hwaccel_select="h264_decoder"
2692 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2693 hevc_d3d11va_hwaccel_select="hevc_decoder"
2694 hevc_d3d11va2_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2695 hevc_d3d11va2_hwaccel_select="hevc_decoder"
2696 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2697 hevc_dxva2_hwaccel_select="hevc_decoder"
2698 hevc_nvdec_hwaccel_deps="nvdec"
2699 hevc_nvdec_hwaccel_select="hevc_decoder"
2700 hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC"
2701 hevc_vaapi_hwaccel_select="hevc_decoder"
2702 hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"
2703 hevc_vdpau_hwaccel_select="hevc_decoder"
2704 hevc_videotoolbox_hwaccel_deps="videotoolbox"
2705 hevc_videotoolbox_hwaccel_select="hevc_decoder"
2706 mpeg_xvmc_hwaccel_deps="xvmc"
2707 mpeg_xvmc_hwaccel_select="mpeg2video_decoder"
2708 mpeg1_nvdec_hwaccel_deps="nvdec"
2709 mpeg1_nvdec_hwaccel_select="mpeg1video_decoder"
2710 mpeg1_vdpau_hwaccel_deps="vdpau"
2711 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2712 mpeg1_videotoolbox_hwaccel_deps="videotoolbox"
2713 mpeg1_videotoolbox_hwaccel_select="mpeg1video_decoder"
2714 mpeg1_xvmc_hwaccel_deps="xvmc"
2715 mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"
2716 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2717 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2718 mpeg2_d3d11va2_hwaccel_deps="d3d11va"
2719 mpeg2_d3d11va2_hwaccel_select="mpeg2video_decoder"
2720 mpeg2_dxva2_hwaccel_deps="dxva2"
2721 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2722 mpeg2_nvdec_hwaccel_deps="nvdec"
2723 mpeg2_nvdec_hwaccel_select="mpeg2video_decoder"
2724 mpeg2_vaapi_hwaccel_deps="vaapi"
2725 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2726 mpeg2_vdpau_hwaccel_deps="vdpau"
2727 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2728 mpeg2_videotoolbox_hwaccel_deps="videotoolbox"
2729 mpeg2_videotoolbox_hwaccel_select="mpeg2video_decoder"
2730 mpeg2_xvmc_hwaccel_deps="xvmc"
2731 mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"
2732 mpeg4_nvdec_hwaccel_deps="nvdec"
2733 mpeg4_nvdec_hwaccel_select="mpeg4_decoder"
2734 mpeg4_vaapi_hwaccel_deps="vaapi"
2735 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2736 mpeg4_vdpau_hwaccel_deps="vdpau"
2737 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2738 mpeg4_videotoolbox_hwaccel_deps="videotoolbox"
2739 mpeg4_videotoolbox_hwaccel_select="mpeg4_decoder"
2740 vc1_d3d11va_hwaccel_deps="d3d11va"
2741 vc1_d3d11va_hwaccel_select="vc1_decoder"
2742 vc1_d3d11va2_hwaccel_deps="d3d11va"
2743 vc1_d3d11va2_hwaccel_select="vc1_decoder"
2744 vc1_dxva2_hwaccel_deps="dxva2"
2745 vc1_dxva2_hwaccel_select="vc1_decoder"
2746 vc1_nvdec_hwaccel_deps="nvdec"
2747 vc1_nvdec_hwaccel_select="vc1_decoder"
2748 vc1_vaapi_hwaccel_deps="vaapi"
2749 vc1_vaapi_hwaccel_select="vc1_decoder"
2750 vc1_vdpau_hwaccel_deps="vdpau"
2751 vc1_vdpau_hwaccel_select="vc1_decoder"
2752 vp8_nvdec_hwaccel_deps="nvdec"
2753 vp8_nvdec_hwaccel_select="vp8_decoder"
2754 vp8_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferVP8"
2755 vp8_vaapi_hwaccel_select="vp8_decoder"
2756 vp9_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_VP9"
2757 vp9_d3d11va_hwaccel_select="vp9_decoder"
2758 vp9_d3d11va2_hwaccel_deps="d3d11va DXVA_PicParams_VP9"
2759 vp9_d3d11va2_hwaccel_select="vp9_decoder"
2760 vp9_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_VP9"
2761 vp9_dxva2_hwaccel_select="vp9_decoder"
2762 vp9_nvdec_hwaccel_deps="nvdec"
2763 vp9_nvdec_hwaccel_select="vp9_decoder"
2764 vp9_vaapi_hwaccel_deps="vaapi VADecPictureParameterBufferVP9_bit_depth"
2765 vp9_vaapi_hwaccel_select="vp9_decoder"
2766 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2767 wmv3_d3d11va2_hwaccel_select="vc1_d3d11va2_hwaccel"
2768 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2769 wmv3_nvdec_hwaccel_select="vc1_nvdec_hwaccel"
2770 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2771 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2773 # hardware-accelerated codecs
2774 omx_deps="libdl pthreads"
2775 omx_rpi_select="omx"
2780 vaapi_encode_deps="vaapi"
2781 v4l2_m2m_deps_any="linux_videodev2_h"
2783 hwupload_cuda_filter_deps="cuda"
2784 scale_npp_filter_deps="cuda libnpp"
2785 scale_cuda_filter_deps="cuda_sdk"
2786 thumbnail_cuda_filter_deps="cuda_sdk"
2788 amf_deps_any="libdl LoadLibrary"
2790 nvenc_deps_any="libdl LoadLibrary"
2791 nvenc_encoder_deps="nvenc"
2793 h263_v4l2m2m_decoder_deps="v4l2_m2m h263_v4l2_m2m"
2794 h263_v4l2m2m_encoder_deps="v4l2_m2m h263_v4l2_m2m"
2795 h264_amf_encoder_deps="amf"
2796 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
2797 h264_cuvid_decoder_deps="cuvid"
2798 h264_cuvid_decoder_select="h264_mp4toannexb_bsf"
2799 h264_mediacodec_decoder_deps="mediacodec"
2800 h264_mediacodec_decoder_select="h264_mp4toannexb_bsf h264_parser"
2801 h264_mmal_decoder_deps="mmal"
2802 h264_nvenc_encoder_deps="nvenc"
2803 h264_omx_encoder_deps="omx"
2804 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec"
2805 h264_qsv_encoder_select="qsvenc"
2806 h264_rkmpp_decoder_deps="rkmpp"
2807 h264_rkmpp_decoder_select="h264_mp4toannexb_bsf"
2808 h264_vaapi_encoder_deps="VAEncPictureParameterBufferH264"
2809 h264_vaapi_encoder_select="cbs_h264 vaapi_encode"
2810 h264_v4l2m2m_decoder_deps="v4l2_m2m h264_v4l2_m2m"
2811 h264_v4l2m2m_encoder_deps="v4l2_m2m h264_v4l2_m2m"
2812 hevc_amf_encoder_deps="amf"
2813 hevc_cuvid_decoder_deps="cuvid"
2814 hevc_cuvid_decoder_select="hevc_mp4toannexb_bsf"
2815 hevc_mediacodec_decoder_deps="mediacodec"
2816 hevc_mediacodec_decoder_select="hevc_mp4toannexb_bsf hevc_parser"
2817 hevc_nvenc_encoder_deps="nvenc"
2818 hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec"
2819 hevc_qsv_encoder_select="hevcparse qsvenc"
2820 hevc_rkmpp_decoder_deps="rkmpp"
2821 hevc_rkmpp_decoder_select="hevc_mp4toannexb_bsf"
2822 hevc_vaapi_encoder_deps="VAEncPictureParameterBufferHEVC"
2823 hevc_vaapi_encoder_select="cbs_h265 vaapi_encode"
2824 hevc_v4l2m2m_decoder_deps="v4l2_m2m hevc_v4l2_m2m"
2825 hevc_v4l2m2m_encoder_deps="v4l2_m2m hevc_v4l2_m2m"
2826 mjpeg_cuvid_decoder_deps="cuvid"
2827 mjpeg_qsv_encoder_deps="libmfx"
2828 mjpeg_qsv_encoder_select="qsvenc"
2829 mjpeg_vaapi_encoder_deps="VAEncPictureParameterBufferJPEG"
2830 mjpeg_vaapi_encoder_select="vaapi_encode jpegtables"
2831 mpeg1_cuvid_decoder_deps="cuvid"
2832 mpeg1_v4l2m2m_decoder_deps="v4l2_m2m mpeg1_v4l2_m2m"
2833 mpeg2_crystalhd_decoder_select="crystalhd"
2834 mpeg2_cuvid_decoder_deps="cuvid"
2835 mpeg2_mmal_decoder_deps="mmal"
2836 mpeg2_mediacodec_decoder_deps="mediacodec"
2837 mpeg2_qsv_decoder_select="qsvdec mpegvideo_parser"
2838 mpeg2_qsv_encoder_select="qsvenc"
2839 mpeg2_vaapi_encoder_deps="VAEncPictureParameterBufferMPEG2"
2840 mpeg2_vaapi_encoder_select="cbs_mpeg2 vaapi_encode"
2841 mpeg2_v4l2m2m_decoder_deps="v4l2_m2m mpeg2_v4l2_m2m"
2842 mpeg4_crystalhd_decoder_select="crystalhd"
2843 mpeg4_cuvid_decoder_deps="cuvid"
2844 mpeg4_mediacodec_decoder_deps="mediacodec"
2845 mpeg4_mmal_decoder_deps="mmal"
2846 mpeg4_omx_encoder_deps="omx"
2847 mpeg4_v4l2m2m_decoder_deps="v4l2_m2m mpeg4_v4l2_m2m"
2848 mpeg4_v4l2m2m_encoder_deps="v4l2_m2m mpeg4_v4l2_m2m"
2849 msmpeg4_crystalhd_decoder_select="crystalhd"
2850 nvenc_h264_encoder_select="h264_nvenc_encoder"
2851 nvenc_hevc_encoder_select="hevc_nvenc_encoder"
2852 vc1_crystalhd_decoder_select="crystalhd"
2853 vc1_cuvid_decoder_deps="cuvid"
2854 vc1_mmal_decoder_deps="mmal"
2855 vc1_qsv_decoder_select="qsvdec vc1_parser"
2856 vc1_v4l2m2m_decoder_deps="v4l2_m2m vc1_v4l2_m2m"
2857 vp8_cuvid_decoder_deps="cuvid"
2858 vp8_mediacodec_decoder_deps="mediacodec"
2859 vp8_qsv_decoder_select="qsvdec vp8_parser"
2860 vp8_rkmpp_decoder_deps="rkmpp"
2861 vp8_vaapi_encoder_deps="VAEncPictureParameterBufferVP8"
2862 vp8_vaapi_encoder_select="vaapi_encode"
2863 vp8_v4l2m2m_decoder_deps="v4l2_m2m vp8_v4l2_m2m"
2864 vp8_v4l2m2m_encoder_deps="v4l2_m2m vp8_v4l2_m2m"
2865 vp9_cuvid_decoder_deps="cuvid"
2866 vp9_mediacodec_decoder_deps="mediacodec"
2867 vp9_rkmpp_decoder_deps="rkmpp"
2868 vp9_vaapi_encoder_deps="VAEncPictureParameterBufferVP9"
2869 vp9_vaapi_encoder_select="vaapi_encode"
2870 vp9_v4l2m2m_decoder_deps="v4l2_m2m vp9_v4l2_m2m"
2871 wmv3_crystalhd_decoder_select="crystalhd"
2874 aac_parser_select="adts_header"
2875 h264_parser_select="golomb h264dsp h264parse"
2876 hevc_parser_select="hevcparse"
2877 mpegaudio_parser_select="mpegaudioheader"
2878 mpegvideo_parser_select="mpegvideo"
2879 mpeg4video_parser_select="h263dsp mpegvideo qpeldsp"
2880 vc1_parser_select="vc1dsp"
2883 aac_adtstoasc_bsf_select="adts_header"
2884 h264_metadata_bsf_select="cbs_h264"
2885 h264_redundant_pps_bsf_select="cbs_h264"
2886 hevc_metadata_bsf_select="cbs_h265"
2887 mjpeg2jpeg_bsf_select="jpegtables"
2888 mpeg2_metadata_bsf_select="cbs_mpeg2"
2889 trace_headers_bsf_select="cbs_h264 cbs_h265 cbs_mpeg2"
2891 # external libraries
2892 aac_at_decoder_deps="audiotoolbox"
2893 ac3_at_decoder_deps="audiotoolbox"
2894 ac3_at_decoder_select="ac3_parser"
2895 adpcm_ima_qt_at_decoder_deps="audiotoolbox"
2896 alac_at_decoder_deps="audiotoolbox"
2897 amr_nb_at_decoder_deps="audiotoolbox"
2898 avisynth_deps_any="libdl LoadLibrary"
2899 avisynth_demuxer_deps="avisynth"
2900 avisynth_demuxer_select="riffdec"
2901 eac3_at_decoder_deps="audiotoolbox"
2902 eac3_at_decoder_select="ac3_parser"
2903 gsm_ms_at_decoder_deps="audiotoolbox"
2904 ilbc_at_decoder_deps="audiotoolbox"
2905 mp1_at_decoder_deps="audiotoolbox"
2906 mp2_at_decoder_deps="audiotoolbox"
2907 mp3_at_decoder_deps="audiotoolbox"
2908 mp1_at_decoder_select="mpegaudioheader"
2909 mp2_at_decoder_select="mpegaudioheader"
2910 mp3_at_decoder_select="mpegaudioheader"
2911 pcm_alaw_at_decoder_deps="audiotoolbox"
2912 pcm_mulaw_at_decoder_deps="audiotoolbox"
2913 qdmc_at_decoder_deps="audiotoolbox"
2914 qdm2_at_decoder_deps="audiotoolbox"
2915 aac_at_encoder_deps="audiotoolbox"
2916 aac_at_encoder_select="audio_frame_queue"
2917 alac_at_encoder_deps="audiotoolbox"
2918 alac_at_encoder_select="audio_frame_queue"
2919 ilbc_at_encoder_deps="audiotoolbox"
2920 ilbc_at_encoder_select="audio_frame_queue"
2921 pcm_alaw_at_encoder_deps="audiotoolbox"
2922 pcm_alaw_at_encoder_select="audio_frame_queue"
2923 pcm_mulaw_at_encoder_deps="audiotoolbox"
2924 pcm_mulaw_at_encoder_select="audio_frame_queue"
2925 chromaprint_muxer_deps="chromaprint"
2926 h264_videotoolbox_encoder_deps="pthreads"
2927 h264_videotoolbox_encoder_select="videotoolbox_encoder"
2928 hevc_videotoolbox_encoder_deps="pthreads"
2929 hevc_videotoolbox_encoder_select="videotoolbox_encoder"
2930 libcelt_decoder_deps="libcelt"
2931 libfdk_aac_decoder_deps="libfdk_aac"
2932 libfdk_aac_encoder_deps="libfdk_aac"
2933 libfdk_aac_encoder_select="audio_frame_queue"
2934 libgme_demuxer_deps="libgme"
2935 libgsm_decoder_deps="libgsm"
2936 libgsm_encoder_deps="libgsm"
2937 libgsm_ms_decoder_deps="libgsm"
2938 libgsm_ms_encoder_deps="libgsm"
2939 libilbc_decoder_deps="libilbc"
2940 libilbc_encoder_deps="libilbc"
2941 libkvazaar_encoder_deps="libkvazaar"
2942 libmodplug_demuxer_deps="libmodplug"
2943 libmp3lame_encoder_deps="libmp3lame"
2944 libmp3lame_encoder_select="audio_frame_queue mpegaudioheader"
2945 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2946 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2947 libopencore_amrnb_encoder_select="audio_frame_queue"
2948 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2949 libopenh264_decoder_deps="libopenh264"
2950 libopenh264_decoder_select="h264_mp4toannexb_bsf"
2951 libopenh264_encoder_deps="libopenh264"
2952 libopenjpeg_decoder_deps="libopenjpeg"
2953 libopenjpeg_encoder_deps="libopenjpeg"
2954 libopenmpt_demuxer_deps="libopenmpt"
2955 libopus_decoder_deps="libopus"
2956 libopus_encoder_deps="libopus"
2957 libopus_encoder_select="audio_frame_queue"
2958 librsvg_decoder_deps="librsvg"
2959 libshine_encoder_deps="libshine"
2960 libshine_encoder_select="audio_frame_queue"
2961 libspeex_decoder_deps="libspeex"
2962 libspeex_encoder_deps="libspeex"
2963 libspeex_encoder_select="audio_frame_queue"
2964 libtheora_encoder_deps="libtheora"
2965 libtwolame_encoder_deps="libtwolame"
2966 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2967 libvorbis_decoder_deps="libvorbis"
2968 libvorbis_encoder_deps="libvorbis libvorbisenc"
2969 libvorbis_encoder_select="audio_frame_queue"
2970 libvpx_vp8_decoder_deps="libvpx"
2971 libvpx_vp8_encoder_deps="libvpx"
2972 libvpx_vp9_decoder_deps="libvpx"
2973 libvpx_vp9_encoder_deps="libvpx"
2974 libwavpack_encoder_deps="libwavpack"
2975 libwavpack_encoder_select="audio_frame_queue"
2976 libwebp_encoder_deps="libwebp"
2977 libwebp_anim_encoder_deps="libwebp"
2978 libx262_encoder_deps="libx262"
2979 libx264_encoder_deps="libx264"
2980 libx264rgb_encoder_deps="libx264 x264_csp_bgr"
2981 libx264rgb_encoder_select="libx264_encoder"
2982 libx265_encoder_deps="libx265"
2983 libxavs_encoder_deps="libxavs"
2984 libxvid_encoder_deps="libxvid"
2985 libzvbi_teletext_decoder_deps="libzvbi"
2986 videotoolbox_suggest="coreservices"
2987 videotoolbox_deps="corefoundation coremedia corevideo"
2988 videotoolbox_encoder_deps="videotoolbox VTCompressionSessionPrepareToEncodeFrames"
2991 ac3_demuxer_select="ac3_parser"
2992 aiff_muxer_select="iso_media"
2993 asf_demuxer_select="riffdec"
2994 asf_o_demuxer_select="riffdec"
2995 asf_muxer_select="riffenc"
2996 asf_stream_muxer_select="asf_muxer"
2997 avi_demuxer_select="iso_media riffdec exif"
2998 avi_muxer_select="riffenc"
2999 caf_demuxer_select="iso_media riffdec"
3000 caf_muxer_select="iso_media"
3001 dash_muxer_select="mp4_muxer"
3002 dash_demuxer_deps="libxml2"
3003 dirac_demuxer_select="dirac_parser"
3004 dts_demuxer_select="dca_parser"
3005 dtshd_demuxer_select="dca_parser"
3006 dv_demuxer_select="dvprofile"
3007 dv_muxer_select="dvprofile"
3008 dxa_demuxer_select="riffdec"
3009 eac3_demuxer_select="ac3_parser"
3010 f4v_muxer_select="mov_muxer"
3011 fifo_muxer_deps="threads"
3012 flac_demuxer_select="flac_parser"
3013 hds_muxer_select="flv_muxer"
3014 hls_muxer_select="mpegts_muxer"
3015 hls_muxer_suggest="gcrypt openssl"
3016 image2_alias_pix_demuxer_select="image2_demuxer"
3017 image2_brender_pix_demuxer_select="image2_demuxer"
3018 ipod_muxer_select="mov_muxer"
3019 ismv_muxer_select="mov_muxer"
3020 matroska_audio_muxer_select="matroska_muxer"
3021 matroska_demuxer_select="iso_media riffdec"
3022 matroska_demuxer_suggest="bzlib lzo zlib"
3023 matroska_muxer_select="iso_media riffenc"
3024 mmf_muxer_select="riffenc"
3025 mov_demuxer_select="iso_media riffdec"
3026 mov_demuxer_suggest="zlib"
3027 mov_muxer_select="iso_media riffenc rtpenc_chain"
3028 mp3_demuxer_select="mpegaudio_parser"
3029 mp3_muxer_select="mpegaudioheader"
3030 mp4_muxer_select="mov_muxer"
3031 mpegts_demuxer_select="iso_media"
3032 mpegts_muxer_select="adts_muxer latm_muxer"
3033 mpegtsraw_demuxer_select="mpegts_demuxer"
3034 mxf_d10_muxer_select="mxf_muxer"
3035 mxf_opatom_muxer_select="mxf_muxer"
3036 nut_muxer_select="riffenc"
3037 nuv_demuxer_select="riffdec"
3038 oga_muxer_select="ogg_muxer"
3039 ogg_demuxer_select="dirac_parse"
3040 ogv_muxer_select="ogg_muxer"
3041 opus_muxer_select="ogg_muxer"
3042 psp_muxer_select="mov_muxer"
3043 rtp_demuxer_select="sdp_demuxer"
3044 rtp_muxer_select="golomb"
3045 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol srtp"
3046 rtsp_demuxer_select="http_protocol rtpdec"
3047 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
3048 sap_demuxer_select="sdp_demuxer"
3049 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
3050 sdp_demuxer_select="rtpdec"
3051 smoothstreaming_muxer_select="ismv_muxer"
3052 spdif_demuxer_select="adts_header"
3053 spdif_muxer_select="adts_header"
3054 spx_muxer_select="ogg_muxer"
3055 swf_demuxer_suggest="zlib"
3056 tak_demuxer_select="tak_parser"
3057 tg2_muxer_select="mov_muxer"
3058 tgp_muxer_select="mov_muxer"
3059 vobsub_demuxer_select="mpegps_demuxer"
3060 w64_demuxer_select="wav_demuxer"
3061 w64_muxer_select="wav_muxer"
3062 wav_demuxer_select="riffdec"
3063 wav_muxer_select="riffenc"
3064 webm_muxer_select="iso_media riffenc"
3065 webm_dash_manifest_demuxer_select="matroska_demuxer"
3066 wtv_demuxer_select="mpegts_demuxer riffdec"
3067 wtv_muxer_select="mpegts_muxer riffenc"
3068 xmv_demuxer_select="riffdec"
3069 xwma_demuxer_select="riffdec"
3072 alsa_indev_deps="alsa"
3073 alsa_outdev_deps="alsa"
3074 avfoundation_indev_deps="avfoundation corevideo coremedia pthreads"
3075 avfoundation_indev_suggest="coregraphics applicationservices"
3076 avfoundation_indev_extralibs="-framework Foundation"
3077 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
3078 caca_outdev_deps="libcaca"
3079 decklink_deps_any="libdl LoadLibrary"
3080 decklink_indev_deps="decklink threads"
3081 decklink_indev_extralibs="-lstdc++"
3082 decklink_outdev_deps="decklink threads"
3083 decklink_outdev_extralibs="-lstdc++"
3084 libndi_newtek_indev_deps="libndi_newtek"
3085 libndi_newtek_indev_extralibs="-lndi"
3086 libndi_newtek_outdev_deps="libndi_newtek"
3087 libndi_newtek_outdev_extralibs="-lndi"
3088 dshow_indev_deps="IBaseFilter"
3089 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"
3090 fbdev_indev_deps="linux_fb_h"
3091 fbdev_outdev_deps="linux_fb_h"
3092 gdigrab_indev_deps="CreateDIBSection"
3093 gdigrab_indev_extralibs="-lgdi32"
3094 gdigrab_indev_select="bmp_decoder"
3095 iec61883_indev_deps="libiec61883"
3096 jack_indev_deps="libjack"
3097 jack_indev_deps_any="sem_timedwait dispatch_dispatch_h"
3098 kmsgrab_indev_deps="libdrm"
3099 lavfi_indev_deps="avfilter"
3100 libcdio_indev_deps="libcdio"
3101 libdc1394_indev_deps="libdc1394"
3102 openal_indev_deps="openal"
3103 opengl_outdev_deps="opengl"
3104 oss_indev_deps_any="sys_soundcard_h"
3105 oss_outdev_deps_any="sys_soundcard_h"
3106 pulse_indev_deps="libpulse"
3107 pulse_outdev_deps="libpulse"
3108 sdl2_outdev_deps="sdl2"
3109 sndio_indev_deps="sndio"
3110 sndio_outdev_deps="sndio"
3111 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
3112 v4l2_indev_suggest="libv4l2"
3113 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
3114 v4l2_outdev_suggest="libv4l2"
3115 vfwcap_indev_deps="vfw32 vfwcap_defines"
3116 xcbgrab_indev_deps="libxcb"
3117 xcbgrab_indev_suggest="libxcb_shm libxcb_shape libxcb_xfixes"
3118 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
3119 xv_outdev_extralibs="-lXv -lX11 -lXext"
3122 async_protocol_deps="threads"
3123 bluray_protocol_deps="libbluray"
3124 ffrtmpcrypt_protocol_conflict="librtmp_protocol"
3125 ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"
3126 ffrtmpcrypt_protocol_select="tcp_protocol"
3127 ffrtmphttp_protocol_conflict="librtmp_protocol"
3128 ffrtmphttp_protocol_select="http_protocol"
3129 ftp_protocol_select="tcp_protocol"
3130 gopher_protocol_select="network"
3131 http_protocol_select="tcp_protocol"
3132 http_protocol_suggest="zlib"
3133 httpproxy_protocol_select="tcp_protocol"
3134 httpproxy_protocol_suggest="zlib"
3135 https_protocol_select="tls_protocol"
3136 https_protocol_suggest="zlib"
3137 icecast_protocol_select="http_protocol"
3138 librtmp_protocol_deps="librtmp"
3139 librtmpe_protocol_deps="librtmp"
3140 librtmps_protocol_deps="librtmp"
3141 librtmpt_protocol_deps="librtmp"
3142 librtmpte_protocol_deps="librtmp"
3143 libsmbclient_protocol_deps="libsmbclient gplv3"
3144 libssh_protocol_deps="libssh"
3145 mmsh_protocol_select="http_protocol"
3146 mmst_protocol_select="network"
3147 rtmp_protocol_conflict="librtmp_protocol"
3148 rtmp_protocol_select="tcp_protocol"
3149 rtmp_protocol_suggest="zlib"
3150 rtmpe_protocol_select="ffrtmpcrypt_protocol"
3151 rtmpe_protocol_suggest="zlib"
3152 rtmps_protocol_conflict="librtmp_protocol"
3153 rtmps_protocol_select="tls_protocol"
3154 rtmps_protocol_suggest="zlib"
3155 rtmpt_protocol_select="ffrtmphttp_protocol"
3156 rtmpt_protocol_suggest="zlib"
3157 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
3158 rtmpte_protocol_suggest="zlib"
3159 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
3160 rtmpts_protocol_suggest="zlib"
3161 rtp_protocol_select="udp_protocol"
3162 schannel_conflict="openssl gnutls"
3163 sctp_protocol_deps="struct_sctp_event_subscribe struct_msghdr_msg_flags"
3164 sctp_protocol_select="network"
3165 securetransport_conflict="openssl gnutls"
3166 srtp_protocol_select="rtp_protocol srtp"
3167 tcp_protocol_select="network"
3168 tls_protocol_deps_any="gnutls openssl schannel securetransport"
3169 tls_protocol_select="tcp_protocol"
3170 udp_protocol_select="network"
3171 udplite_protocol_select="network"
3172 unix_protocol_deps="sys_un_h"
3173 unix_protocol_select="network"
3176 afftfilt_filter_deps="avcodec"
3177 afftfilt_filter_select="fft"
3178 afir_filter_deps="avcodec"
3179 afir_filter_select="fft"
3180 amovie_filter_deps="avcodec avformat"
3181 aresample_filter_deps="swresample"
3182 ass_filter_deps="libass"
3183 atempo_filter_deps="avcodec"
3184 atempo_filter_select="rdft"
3185 azmq_filter_deps="libzmq"
3186 blackframe_filter_deps="gpl"
3187 boxblur_filter_deps="gpl"
3188 bs2b_filter_deps="libbs2b"
3189 colormatrix_filter_deps="gpl"
3190 coreimage_filter_deps="coreimage appkit"
3191 coreimage_filter_extralibs="-framework OpenGL"
3192 coreimagesrc_filter_deps="coreimage appkit"
3193 coreimagesrc_filter_extralibs="-framework OpenGL"
3194 cover_rect_filter_deps="avcodec avformat gpl"
3195 cropdetect_filter_deps="gpl"
3196 deinterlace_qsv_filter_deps="libmfx"
3197 deinterlace_vaapi_filter_deps="vaapi"
3198 delogo_filter_deps="gpl"
3199 deshake_filter_select="pixelutils"
3200 drawtext_filter_deps="libfreetype"
3201 drawtext_filter_suggest="libfontconfig libfribidi"
3202 elbg_filter_deps="avcodec"
3203 eq_filter_deps="gpl"
3204 fftfilt_filter_deps="avcodec"
3205 fftfilt_filter_select="rdft"
3206 find_rect_filter_deps="avcodec avformat gpl"
3207 firequalizer_filter_deps="avcodec"
3208 firequalizer_filter_select="rdft"
3209 flite_filter_deps="libflite"
3210 framerate_filter_select="pixelutils"
3211 frei0r_filter_deps="frei0r libdl"
3212 frei0r_src_filter_deps="frei0r libdl"
3213 fspp_filter_deps="gpl"
3214 geq_filter_deps="gpl"
3215 histeq_filter_deps="gpl"
3216 hqdn3d_filter_deps="gpl"
3217 interlace_filter_deps="gpl"
3218 kerndeint_filter_deps="gpl"
3219 ladspa_filter_deps="ladspa libdl"
3220 lv2_filter_deps="lv2"
3221 mcdeint_filter_deps="avcodec gpl"
3222 movie_filter_deps="avcodec avformat"
3223 mpdecimate_filter_deps="gpl"
3224 mpdecimate_filter_select="pixelutils"
3225 mptestsrc_filter_deps="gpl"
3226 negate_filter_deps="lut_filter"
3227 nnedi_filter_deps="gpl"
3228 ocr_filter_deps="libtesseract"
3229 ocv_filter_deps="libopencv"
3230 overlay_opencl_filter_deps="opencl"
3231 overlay_qsv_filter_deps="libmfx"
3232 overlay_qsv_filter_select="qsvvpp"
3233 owdenoise_filter_deps="gpl"
3234 pan_filter_deps="swresample"
3235 perspective_filter_deps="gpl"
3236 phase_filter_deps="gpl"
3237 pp7_filter_deps="gpl"
3238 pp_filter_deps="gpl postproc"
3239 pullup_filter_deps="gpl"
3240 removelogo_filter_deps="avcodec avformat swscale"
3241 repeatfields_filter_deps="gpl"
3242 resample_filter_deps="avresample"
3243 rubberband_filter_deps="librubberband"
3244 sab_filter_deps="gpl swscale"
3245 scale2ref_filter_deps="swscale"
3246 scale_filter_deps="swscale"
3247 scale_qsv_filter_deps="libmfx"
3248 select_filter_select="pixelutils"
3249 showcqt_filter_deps="avcodec avformat swscale"
3250 showcqt_filter_suggest="libfontconfig libfreetype"
3251 showcqt_filter_select="fft"
3252 showfreqs_filter_deps="avcodec"
3253 showfreqs_filter_select="fft"
3254 showspectrum_filter_deps="avcodec"
3255 showspectrum_filter_select="fft"
3256 showspectrumpic_filter_deps="avcodec"
3257 showspectrumpic_filter_select="fft"
3258 signature_filter_deps="gpl avcodec avformat"
3259 smartblur_filter_deps="gpl swscale"
3260 sofalizer_filter_deps="libmysofa avcodec"
3261 sofalizer_filter_select="fft"
3262 spectrumsynth_filter_deps="avcodec"
3263 spectrumsynth_filter_select="fft"
3264 spp_filter_deps="gpl avcodec"
3265 spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"
3266 stereo3d_filter_deps="gpl"
3267 subtitles_filter_deps="avformat avcodec libass"
3268 super2xsai_filter_deps="gpl"
3269 pixfmts_super2xsai_test_deps="super2xsai_filter"
3270 tinterlace_filter_deps="gpl"
3271 tinterlace_merge_test_deps="tinterlace_filter"
3272 tinterlace_pad_test_deps="tinterlace_filter"
3273 tonemap_filter_deps="const_nan"
3274 unsharp_opencl_filter_deps="opencl"
3275 uspp_filter_deps="gpl avcodec"
3276 vaguedenoiser_filter_deps="gpl"
3277 vidstabdetect_filter_deps="libvidstab"
3278 vidstabtransform_filter_deps="libvidstab"
3279 libvmaf_filter_deps="libvmaf"
3280 zmq_filter_deps="libzmq"
3281 zoompan_filter_deps="swscale"
3282 zscale_filter_deps="libzimg const_nan"
3283 scale_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
3284 vpp_qsv_filter_deps="libmfx"
3285 vpp_qsv_filter_select="qsvvpp"
3288 avio_dir_cmd_deps="avformat avutil"
3289 avio_reading_deps="avformat avcodec avutil"
3290 decode_audio_example_deps="avcodec avutil"
3291 decode_video_example_deps="avcodec avutil"
3292 demuxing_decoding_example_deps="avcodec avformat avutil"
3293 encode_audio_example_deps="avcodec avutil"
3294 encode_video_example_deps="avcodec avutil"
3295 extract_mvs_example_deps="avcodec avformat avutil"
3296 filter_audio_example_deps="avfilter avutil"
3297 filtering_audio_example_deps="avfilter avcodec avformat avutil"
3298 filtering_video_example_deps="avfilter avcodec avformat avutil"
3299 http_multiclient_example_deps="avformat avutil fork"
3300 hw_decode_example_deps="avcodec avformat avutil"
3301 metadata_example_deps="avformat avutil"
3302 muxing_example_deps="avcodec avformat avutil swscale"
3303 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder"
3304 remuxing_example_deps="avcodec avformat avutil"
3305 resampling_audio_example_deps="avutil swresample"
3306 scaling_video_example_deps="avutil swscale"
3307 transcode_aac_example_deps="avcodec avformat swresample"
3308 transcoding_example_deps="avfilter avcodec avformat avutil"
3309 vaapi_encode_example_deps="avcodec avutil"
3312 cpu_init_extralibs="pthreads_extralibs"
3313 cws2fws_extralibs="zlib_extralibs"
3315 # libraries, in linking order
3316 avcodec_deps="avutil"
3317 avcodec_suggest="libm"
3318 avcodec_select="null_bsf"
3319 avdevice_deps="avformat avcodec avutil"
3320 avdevice_suggest="libm"
3321 avfilter_deps="avutil"
3322 avfilter_suggest="libm"
3323 avformat_deps="avcodec avutil"
3324 avformat_suggest="libm network zlib"
3325 avresample_deps="avutil"
3326 avresample_suggest="libm"
3327 avutil_suggest="clock_gettime cuda libm libdrm libmfx opencl user32 vaapi videotoolbox corefoundation corevideo coremedia wincrypt"
3328 postproc_deps="avutil gpl"
3329 postproc_suggest="libm"
3330 swresample_deps="avutil"
3331 swresample_suggest="libm libsoxr"
3332 swscale_deps="avutil"
3333 swscale_suggest="libm"
3335 avcodec_extralibs="pthreads_extralibs iconv_extralibs"
3336 avfilter_extralibs="pthreads_extralibs"
3337 avutil_extralibs="d3d11va_extralibs nanosleep_extralibs pthreads_extralibs vaapi_drm_extralibs vaapi_x11_extralibs vdpau_x11_extralibs"
3340 ffmpeg_deps="avcodec avfilter avformat swresample"
3341 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
3344 ffmpeg_suggest="ole32 psapi shell32"
3345 ffplay_deps="avcodec avformat swscale swresample sdl2"
3346 ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"
3347 ffplay_suggest="shell32"
3348 ffprobe_deps="avcodec avformat"
3349 ffprobe_suggest="shell32"
3350 ffserver_deps="avformat fork sarestart"
3351 ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
3354 podpages_deps="perl"
3355 manpages_deps="perl pod2man"
3356 htmlpages_deps="perl"
3357 htmlpages_deps_any="makeinfo_html texi2html"
3358 txtpages_deps="perl makeinfo"
3359 doc_deps_any="manpages htmlpages podpages txtpages"
3361 # default parameters
3363 logfile="ffbuild/config.log"
3365 # installation paths
3366 prefix_default="/usr/local"
3367 bindir_default='${prefix}/bin'
3368 datadir_default='${prefix}/share/ffmpeg'
3369 docdir_default='${prefix}/share/doc/ffmpeg'
3370 incdir_default='${prefix}/include'
3371 libdir_default='${prefix}/lib'
3372 mandir_default='${prefix}/share/man'
3378 host_cc_default="gcc"
3379 doxygen_default="doxygen"
3381 ln_s_default="ln -s -f"
3383 pkg_config_default=pkg-config
3384 ranlib_default="ranlib"
3385 strip_default="strip"
3386 version_script='--version-script'
3388 x86asmexe_default="nasm"
3389 windres_default="windres"
3391 nvccflags_default="-gencode arch=compute_30,code=sm_30 -O2"
3395 target_os_default=$(tolower $(uname -s))
3396 host_os=$target_os_default
3399 if test "$target_os_default" = aix; then
3400 arch_default=$(uname -p)
3401 strip_default="strip -X32_64"
3403 arch_default=$(uname -m)
3408 # configurable options
3409 enable $PROGRAM_LIST
3410 enable $DOCUMENT_LIST
3411 enable $EXAMPLE_LIST
3412 enable $(filter_out avresample $LIBRARY_LIST)
3418 enable faan faandct faanidct
3419 enable optimizations
3420 enable runtime_cpudetect
3421 enable safe_bitstream_reader
3423 enable swscale_alpha
3424 enable valgrind_backtrace
3426 sws_max_filter_size_default=256
3427 set_default sws_max_filter_size
3429 # internal components are enabled by default
3430 enable $EXTRALIBS_LIST
3432 # Avoid external, non-system, libraries getting enabled by dependency resolution
3433 disable $EXTERNAL_LIBRARY_LIST $HWACCEL_LIBRARY_LIST
3436 SHFLAGS='-shared -Wl,-soname,$$(@F)'
3439 FULLNAME='$(NAME)$(BUILDSUF)'
3440 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
3443 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
3444 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
3445 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
3446 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
3447 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
3448 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
3449 VERSION_SCRIPT_POSTPROCESS_CMD="cat"
3476 host_extralibs='-lm'
3477 host_cflags_filter=echo
3478 host_ldflags_filter=echo
3480 target_path='$(CURDIR)'
3482 # since the object filename is not given with the -MM flag, the compiler
3483 # is only able to print the basename, and we must add the path ourselves
3484 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>/dev/null | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(@F),$(@D)/$(@F)," > $(@:.o=.d)'
3490 if test -f configure; then
3493 source_path=$(cd $(dirname "$0"); pwd)
3494 case "$source_path" in
3495 *[[:blank:]]*) die "Out of tree builds are impossible with whitespace in source path." ;;
3497 test -e "$source_path/config.h" &&
3498 die "Out of tree builds are impossible with config.h in source dir."
3505 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
3511 file=$source_path/$3
3512 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
3515 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
3516 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
3517 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
3518 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
3519 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
3520 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
3521 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
3522 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
3524 find_things_extern(){
3527 file=$source_path/$3
3528 sed -n "s/^[^#]*extern.*$pattern *ff_\([^ ]*\)_$thing;/\1_$thing/p" "$file"
3531 BSF_LIST=$(find_things_extern bsf AVBitStreamFilter libavcodec/bitstream_filters.c)
3532 HWACCEL_LIST=$(find_things_extern hwaccel AVHWAccel libavcodec/hwaccels.h)
3533 PROTOCOL_LIST=$(find_things_extern protocol URLProtocol libavformat/protocols.c)
3535 AVCODEC_COMPONENTS_LIST="
3543 AVDEVICE_COMPONENTS_LIST="
3548 AVFILTER_COMPONENTS_LIST="
3552 AVFORMAT_COMPONENTS_LIST="
3559 $AVCODEC_COMPONENTS_LIST
3560 $AVDEVICE_COMPONENTS_LIST
3561 $AVFILTER_COMPONENTS_LIST
3562 $AVFORMAT_COMPONENTS_LIST
3565 for n in $COMPONENT_LIST; do
3566 v=$(toupper ${n%s})_LIST
3568 eval ${n}_if_any="\$$v"
3571 enable $ARCH_EXT_LIST
3574 echo "Unknown option \"$1\"."
3575 echo "See $0 --help for available options."
3579 print_in_columns() {
3580 cols=$(expr $ncols / 24)
3581 cat | tr ' ' '\n' | sort | pr -r "-$cols" -w $ncols -t
3587 echo $* | sed s/$suffix//g | print_in_columns
3599 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
3600 echo "prob ${prob:-0.5}"
3608 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
3609 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
3618 --extra-ldexeflags=*)
3619 add_ldexeflags $optval
3621 --extra-ldsoflags=*)
3622 add_ldsoflags $optval
3624 --extra-ldlibflags=*)
3625 warn "The --extra-ldlibflags option is only provided for compatibility and will be\n"\
3626 "removed in the future. Use --extra-ldsoflags instead."
3627 add_ldsoflags $optval
3630 add_extralibs $optval
3633 disable $INDEV_LIST $OUTDEV_LIST
3636 debuglevel="$optval"
3639 disable $PROGRAM_LIST
3641 --disable-everything)
3642 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3645 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3646 disable $LIBRARY_LIST $PROGRAM_LIST doc
3649 --enable-random|--disable-random)
3650 action=${opt%%-random}
3651 do_random ${action#--} $COMPONENT_LIST
3653 --enable-random=*|--disable-random=*)
3654 action=${opt%%-random=*}
3655 do_random ${action#--} $optval
3660 --enable-*=*|--disable-*=*)
3661 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
3662 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
3663 eval list=\$$(toupper $thing)_LIST
3664 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
3665 list=$(filter "$name" $list)
3666 [ "$list" = "" ] && warn "Option $opt did not match anything"
3669 --enable-yasm|--disable-yasm)
3670 warn "The ${opt} option is only provided for compatibility and will be\n"\
3671 "removed in the future. Use --enable-x86asm / --disable-x86asm instead."
3672 test $opt = --enable-yasm && x86asm=yes || x86asm=no
3675 warn "The --yasmexe option is only provided for compatibility and will be\n"\
3676 "removed in the future. Use --x86asmexe instead."
3679 --enable-?*|--disable-?*)
3680 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
3681 if is_in $option $COMPONENT_LIST; then
3682 test $action = disable && action=unset
3683 eval $action \$$(toupper ${option%s})_LIST
3684 elif is_in $option $CMDLINE_SELECT; then
3691 NAME="${opt#--list-}"
3692 is_in $NAME $COMPONENT_LIST || die_unknown $opt
3694 eval show_list $NAME \$$(toupper $NAME)_LIST
3696 --help|-h) show_help
3698 --quiet|-q) quiet=yes
3700 --fatal-warnings) enable fatal_warnings
3703 libfuzzer_path="$optval"
3706 optname="${opt%%=*}"
3707 optname="${optname#--}"
3708 optname=$(echo "$optname" | sed 's/-/_/g')
3709 if is_in $optname $CMDLINE_SET; then
3710 eval $optname='$optval'
3711 elif is_in $optname $CMDLINE_APPEND; then
3712 append $optname "$optval"
3724 if disabled autodetect; then
3726 # Unless iconv is explicitely disabled by the user, we still want to probe
3727 # for the iconv from the libc.
3728 disabled iconv || enable libc_iconv
3730 disable_weak $EXTERNAL_AUTODETECT_LIBRARY_LIST
3731 disable_weak $HWACCEL_AUTODETECT_LIBRARY_LIST
3733 # Mark specifically enabled, but normally autodetected libraries as requested.
3734 for lib in $AUTODETECT_LIBS; do
3735 enabled $lib && request $lib
3737 #TODO: switch to $AUTODETECT_LIBS when $THREADS_LIST is supported the same way
3738 enable_weak $EXTERNAL_AUTODETECT_LIBRARY_LIST
3739 enable_weak $HWACCEL_AUTODETECT_LIBRARY_LIST
3741 disabled logging && logfile=/dev/null
3743 # command line configuration sanity checks
3745 # we need to build at least one lib type
3746 if ! enabled_any static shared; then
3748 At least one library type must be built.
3749 Specify --enable-static to build the static libraries or --enable-shared to
3750 build the shared libraries as well. To only build the shared libraries specify
3751 --disable-static in addition to --enable-shared.
3756 die_license_disabled() {
3757 enabled $1 || { enabled $v && die "$v is $1 and --enable-$1 is not specified."; }
3760 die_license_disabled_gpl() {
3761 enabled $1 || { enabled $v && die "$v is incompatible with the gpl and --enable-$1 is not specified."; }
3764 map "die_license_disabled gpl" $EXTERNAL_LIBRARY_GPL_LIST $EXTERNAL_LIBRARY_GPLV3_LIST
3765 map "die_license_disabled version3" $EXTERNAL_LIBRARY_VERSION3_LIST $EXTERNAL_LIBRARY_GPLV3_LIST
3767 enabled gpl && map "die_license_disabled_gpl nonfree" $EXTERNAL_LIBRARY_NONFREE_LIST
3768 map "die_license_disabled nonfree" $HWACCEL_LIBRARY_NONFREE_LIST
3770 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3772 enabled_all gnutls openssl &&
3773 die "GnuTLS and OpenSSL must not be enabled at the same time."
3775 # Disable all the library-specific components if the library itself
3776 # is disabled, see AVCODEC_LIST and following _LIST variables.
3778 disable_components(){
3779 disabled ${1} && disable $(
3780 eval components="\$$(toupper ${1})_COMPONENTS"
3781 map 'eval echo \${$(toupper ${v%s})_LIST}' $components
3785 map 'disable_components $v' $LIBRARY_LIST
3787 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
3790 test -n "$valgrind" && toolchain="valgrind-memcheck"
3792 enabled ossfuzz && {
3793 add_cflags -fsanitize=address,undefined -fsanitize-coverage=trace-pc-guard,trace-cmp -fno-omit-frame-pointer
3794 add_ldflags -fsanitize=address,undefined -fsanitize-coverage=trace-pc-guard,trace-cmp
3797 case "$toolchain" in
3799 cc_default="${toolchain%-asan}"
3800 add_cflags -fsanitize=address
3801 add_ldflags -fsanitize=address
3804 cc_default="${toolchain%-msan}"
3805 add_cflags -fsanitize=memory -fsanitize-memory-track-origins
3806 add_ldflags -fsanitize=memory
3809 cc_default="${toolchain%-tsan}"
3810 add_cflags -fsanitize=thread -fPIE
3811 add_ldflags -fsanitize=thread -pie
3812 case "$toolchain" in
3820 cc_default="${toolchain%-usan}"
3821 add_cflags -fsanitize=undefined
3822 add_ldflags -fsanitize=undefined
3825 target_exec_default="valgrind"
3826 case "$toolchain" in
3828 target_exec_args="--tool=massif --alloc-fn=av_malloc --alloc-fn=av_mallocz --alloc-fn=av_calloc --alloc-fn=av_fast_padded_malloc --alloc-fn=av_fast_malloc --alloc-fn=av_realloc_f --alloc-fn=av_fast_realloc --alloc-fn=av_realloc"
3831 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
3836 # Check whether the current MSVC version needs the C99 converter.
3837 # From MSVC 2013 (compiler major version 18) onwards, it does actually
3838 # support enough of C99 to build ffmpeg. Default to the new
3839 # behaviour if the regexp was unable to match anything, since this
3840 # successfully parses the version number of existing supported
3841 # versions that require the converter (MSVC 2010 and 2012).
3842 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
3843 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
3847 cc_default="c99wrap cl"
3848 cxx_default="c99wrap cl"
3850 ld_default="$source_path/compat/windows/mslink"
3851 nm_default="dumpbin -symbols"
3855 as_default="armasm64"
3861 target_os_default="win32"
3862 # Use a relative path for TMPDIR. This makes sure all the
3863 # ffconf temp files are written with a relative path, avoiding
3864 # issues with msys/win32 path conversion for MSVC parameters
3865 # such as -Fo<file> or -out:<file>.
3871 nm_default="dumpbin -symbols"
3873 target_os_default="win32"
3877 add_cflags -fprofile-arcs -ftest-coverage
3878 add_ldflags -fprofile-arcs -ftest-coverage
3881 add_cflags -fprofile-arcs -ftest-coverage
3882 add_ldflags --coverage
3885 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
3886 add_cflags -fno-strict-overflow -fstack-protector-all
3887 add_ldflags -Wl,-z,relro -Wl,-z,now
3889 add_ldexeflags -fPIE -pie
3892 die "Unknown toolchain $toolchain"
3896 if test -n "$cross_prefix"; then
3897 test -n "$arch" && test -n "$target_os" ||
3898 die "Must specify target arch (--arch) and OS (--target-os) when cross-compiling"
3899 enable cross_compile
3902 ar_default="${cross_prefix}${ar_default}"
3903 cc_default="${cross_prefix}${cc_default}"
3904 cxx_default="${cross_prefix}${cxx_default}"
3905 nm_default="${cross_prefix}${nm_default}"
3906 pkg_config_default="${cross_prefix}${pkg_config_default}"
3907 if ${cross_prefix}${ranlib_default} 2>&1 | grep -q "\-D "; then
3908 ranlib_default="${cross_prefix}${ranlib_default} -D"
3910 ranlib_default="${cross_prefix}${ranlib_default}"
3912 strip_default="${cross_prefix}${strip_default}"
3913 windres_default="${cross_prefix}${windres_default}"
3915 sysinclude_default="${sysroot}/usr/include"
3917 set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \
3918 target_exec target_os x86asmexe nvcc
3919 enabled cross_compile || host_cc_default=$cc
3922 pkg_config_fail_message=""
3923 if ! $pkg_config --version >/dev/null 2>&1; then
3924 warn "$pkg_config not found, library detection may fail."
3926 elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then
3927 pkg_config_fail_message="
3928 Note: When building a static binary, add --pkg-config-flags=\"--static\"."
3931 if test $doxygen != $doxygen_default && \
3932 ! $doxygen --version >/dev/null 2>&1; then
3933 warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."
3938 mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
3942 EXESUF=$(exesuf $target_os)
3943 HOSTEXESUF=$(exesuf $host_os)
3945 # set temporary file name
3946 : ${TMPDIR:=$TEMPDIR}
3950 if [ -n "$tempprefix" ] ; then
3952 tmpname="$tempprefix.${HOSTNAME}.${UID}"
3956 elif ! check_cmd mktemp -u XXXXXX; then
3957 # simple replacement for missing mktemp
3958 # NOT SAFE FOR GENERAL USE
3960 tmpname="${2%%XXX*}.${HOSTNAME}.${UID}.$$"
3966 FFTMPDIR=$(mktemp -d "${TMPDIR}/ffconf.XXXXXXXX" 2> /dev/null) ||
3967 die "Unable to create temporary directory in $TMPDIR."
3970 tmp="${FFTMPDIR}/test"$2
3971 (set -C; exec > $tmp) 2> /dev/null ||
3972 die "Unable to create temporary file in $FFTMPDIR."
3976 trap 'rm -rf -- "$FFTMPDIR"' EXIT
3982 tmpfile TMPE $EXESUF
3994 # make sure we can execute files in $TMPDIR
3995 cat > $TMPSH 2>> $logfile <<EOF
3998 chmod +x $TMPSH >> $logfile 2>&1
3999 if ! $TMPSH >> $logfile 2>&1; then
4001 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
4002 variable to another directory and make sure that it is not mounted noexec.
4004 die "Sanity test failed."
4010 # Filter out MSVC cl.exe options from cflags that shouldn't
4011 # be passed to gas-preprocessor
4021 -Wno-switch) echo -Wno-switch-enum ;;
4022 -Wno-format-zero-length) ;;
4023 -Wdisabled-optimization) ;;
4024 -Wno-pointer-sign) echo -Wno-other ;;
4030 msvc_common_flags(){
4033 # In addition to specifying certain flags under the compiler
4034 # specific filters, they must be specified here as well or else the
4035 # generic catch all at the bottom will print the original flag.
4040 -fomit-frame-pointer) ;;
4044 -fno-signed-zeros) ;;
4048 -lz) echo zlib.lib ;;
4049 -lx264) echo libx264.lib ;;
4051 -l*) echo ${flag#-l}.lib ;;
4052 -LARGEADDRESSAWARE) echo $flag ;;
4053 -L*) echo -libpath:${flag#-L} ;;
4060 msvc_common_flags "$@"
4063 -Wall) echo -W3 -wd4018 -wd4146 -wd4244 -wd4305 \
4065 -Wextra) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
4066 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
4067 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
4069 -wd4273 -wd4554 -wd4701 -wd4703 ;;
4075 msvc_common_flags "$@"
4078 # Despite what Intel's documentation says -Wall, which is supported
4079 # on Windows, does enable remarks so disable them here.
4080 -Wall) echo $flag -Qdiag-disable:remark ;;
4081 -std=c99) echo -Qstd=c99 ;;
4100 case "${flag#*=}" in
4101 native) echo -xtarget=native ;;
4102 v9|niagara) echo -xarch=sparc ;;
4103 ultrasparc) echo -xarch=sparcvis ;;
4104 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
4105 i586|pentium) echo -xchip=pentium ;;
4106 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
4107 pentium3*|c3-2) echo -xtarget=pentium3 ;;
4108 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
4109 pentium4*) echo -xtarget=pentium4 ;;
4110 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
4111 *-sse3) echo -xarch=sse3 ;;
4112 core2) echo -xarch=ssse3 -xchip=core2 ;;
4113 bonnell) echo -xarch=ssse3 ;;
4114 corei7|nehalem) echo -xtarget=nehalem ;;
4115 westmere) echo -xtarget=westmere ;;
4116 silvermont) echo -xarch=sse4_2 ;;
4117 corei7-avx|sandybridge) echo -xtarget=sandybridge ;;
4118 core-avx*|ivybridge|haswell|broadwell|skylake*|knl)
4120 amdfam10|barcelona) echo -xtarget=barcelona ;;
4121 btver1) echo -xarch=amdsse4a ;;
4122 btver2|bdver*|znver*) echo -xarch=avx ;;
4123 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
4124 k8|opteron|athlon64|athlon-fx)
4125 echo -xarch=sse2a ;;
4126 athlon*) echo -xarch=pentium_proa ;;
4129 -std=c99) echo -xc99 ;;
4130 -fomit-frame-pointer) echo -xregs=frameptr ;;
4131 -fPIC) echo -KPIC -xcode=pic32 ;;
4132 -W*,*) echo $flag ;;
4133 -f*-*|-W*|-mimpure-text) ;;
4145 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
4146 unset _ld_o _ldflags _ld_lib _ld_path
4147 unset _depflags _DEPCMD _DEPFLAGS
4150 if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
4151 true # no-op to avoid reading stdin in following checks
4152 elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
4154 gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')
4155 _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"
4156 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4159 elif $_cc -v 2>&1 | grep -qi ^gcc; then
4161 gcc_version=$($_cc --version | head -n1)
4162 gcc_basever=$($_cc -dumpversion)
4163 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
4164 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
4165 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
4166 case $gcc_basever in
4169 *) _depflags='-MMD -MF $(@:.o=.d) -MT $@' ;;
4171 if [ "$first" = true ]; then
4172 case $gcc_basever in
4174 warn "gcc 4.2 is outdated and may miscompile FFmpeg. Please use a newer compiler." ;;
4179 elif $_cc --version 2>/dev/null | grep -q ^icc; then
4181 _ident=$($_cc --version | head -n1)
4186 _flags_filter=icc_flags
4187 elif $_cc -v 2>&1 | grep -q xlc; then
4189 _ident=$($_cc -qversion 2>/dev/null | head -n1)
4191 _cflags_size='-O5 -qcompact'
4192 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
4193 test -d "$sysroot" || die "No valid sysroot specified."
4195 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
4196 armcc_conf="$PWD/armcc.conf"
4197 $_cc --arm_linux_configure \
4198 --arm_linux_config_file="$armcc_conf" \
4199 --configure_sysroot="$sysroot" \
4200 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
4201 die "Error creating armcc configuration file."
4202 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
4203 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
4204 as_default="${cross_prefix}gcc"
4208 elif $_cc -v 2>&1 | grep -q clang; then
4210 _ident=$($_cc --version 2>/dev/null | head -n1)
4211 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4214 elif $_cc -V 2>&1 | grep -q Sun; then
4216 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
4217 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
4218 _DEPFLAGS='-xM1 -xc99'
4221 _cflags_size='-O5 -xspace'
4222 _flags_filter=suncc_flags
4223 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
4225 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
4226 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4229 _flags_filter='filter_out -Wdisabled-optimization'
4230 elif $_cc -v 2>&1 | grep -q Open64; then
4232 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
4233 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4236 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
4237 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
4239 _ident=$($_cc | head -n1)
4240 # 4509: "This form of conditional instruction is deprecated"
4241 _flags="-nologo -ignore 4509"
4242 _flags_filter=armasm_flags
4243 elif $_cc 2>&1 | grep -q Intel; then
4245 _ident=$($_cc 2>&1 | head -n1)
4246 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
4247 # Not only is O3 broken on 13.x+ but it is slower on all previous
4248 # versions (tested) as well.
4250 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
4251 if $_cc 2>&1 | grep -q Linker; then
4258 _flags_filter=icl_flags
4260 _ld_path='-libpath:'
4261 # -Qdiag-error to make icl error when seeing certain unknown arguments
4262 _flags='-nologo -Qdiag-error:4044,10157'
4263 # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency
4264 # with MSVC which enables it by default.
4265 _cflags='-Qms0 -Qvec- -Qsimd- -GS -fp:precise'
4267 elif $_cc -? 2>/dev/null | grep -q 'LLVM.*Linker'; then
4268 # lld can emulate multiple different linkers; in ms link.exe mode,
4269 # the -? parameter gives the help output which contains an identifyable
4270 # string, while it gives an error in other modes.
4272 # The link.exe mode doesn't have a switch for getting the version,
4273 # but we can force it back to gnu mode and get the version from there.
4274 _ident=$($_cc -flavor gnu --version 2>/dev/null)
4276 _flags_filter=msvc_flags
4278 _ld_path='-libpath:'
4279 elif $_cc -nologo- 2>&1 | grep -q Microsoft; then
4281 _ident=$($_cc 2>&1 | head -n1)
4282 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
4283 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
4287 if $_cc -nologo- 2>&1 | grep -q Linker; then
4294 _flags_filter=msvc_flags
4296 _ld_path='-libpath:'
4299 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
4301 _ident=$($_cc --version | head -n1)
4305 _flags_filter=cparser_flags
4308 eval ${pfx}_type=\$_type
4309 eval ${pfx}_ident=\$_ident
4313 eval ${1}_C=\${_cc_c-\${${1}_C}}
4314 eval ${1}_E=\${_cc_e-\${${1}_E}}
4315 eval ${1}_O=\${_cc_o-\${${1}_O}}
4317 if [ -n "$_depflags" ]; then
4318 eval ${1}_DEPFLAGS=\$_depflags
4320 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
4321 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
4322 eval DEP${1}FLAGS=\$_flags
4326 probe_cc cc "$cc" "true"
4327 cflags_filter=$_flags_filter
4328 cflags_speed=$_cflags_speed
4329 cflags_size=$_cflags_size
4330 cflags_noopt=$_cflags_noopt
4331 add_cflags $_flags $_cflags
4332 cc_ldflags=$_ldflags
4336 probe_cc hostcc "$host_cc"
4337 host_cflags_filter=$_flags_filter
4338 host_cflags_speed=$_cflags_speed
4339 add_host_cflags $_flags $_cflags
4342 test -n "$cc_type" && enable $cc_type ||
4343 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
4345 : ${as_default:=$cc}
4346 : ${objcc_default:=$cc}
4347 : ${dep_cc_default:=$cc}
4348 : ${ld_default:=$cc}
4349 : ${host_ld_default:=$host_cc}
4350 set_default ar as objcc dep_cc ld ln_s host_ld windres
4353 asflags_filter=$_flags_filter
4354 add_asflags $_flags $_cflags
4357 probe_cc objcc "$objcc"
4358 objcflags_filter=$_flags_filter
4359 add_objcflags $_flags $_cflags
4363 ldflags_filter=$_flags_filter
4364 add_ldflags $_flags $_ldflags
4365 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
4367 LD_LIB=${_ld_lib-$LD_LIB}
4368 LD_PATH=${_ld_path-$LD_PATH}
4370 probe_cc hostld "$host_ld"
4371 host_ldflags_filter=$_flags_filter
4372 add_host_ldflags $_flags $_ldflags
4373 HOSTLD_O=${_ld_o-$HOSTLD_O}
4375 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
4376 probe_cc depcc "$dep_cc"
4377 CCDEP=${_DEPCMD:-$DEPCMD}
4378 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
4382 if $ar 2>&1 | grep -q Microsoft; then
4385 elif $ar 2>&1 | grep -q "\[D\] "; then
4393 add_cflags $extra_cflags
4394 add_cxxflags $extra_cxxflags
4395 add_objcflags $extra_objcflags
4396 add_asflags $extra_cflags
4398 if test -n "$sysroot"; then
4401 add_cppflags --sysroot="$sysroot"
4402 add_ldflags --sysroot="$sysroot"
4407 if test "$cpu" = host; then
4408 enabled cross_compile &&
4409 die "--cpu=host makes no sense when cross-compiling."
4414 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
4416 s/.*$1=\\([^ ]*\\).*/\\1/
4421 cpu=$(check_native -march || check_native -mcpu)
4425 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
4426 sed -n "/cc1.*-target-cpu /{
4427 s/.*-target-cpu \\([^ ]*\\).*/\\1/
4432 cpu=$(check_native -march)
4436 test "${cpu:-host}" = host &&
4437 die "--cpu=host not supported with compiler $cc"
4440 # Deal with common $arch aliases
4464 "Power Macintosh"|ppc*|powerpc*)
4479 i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
4484 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
4487 # Add processor-specific flags
4488 if enabled aarch64; then
4492 cpuflags="-march=$cpu"
4495 cpuflags="-mcpu=$cpu"
4499 elif enabled alpha; then
4501 cpuflags="-mcpu=$cpu"
4503 elif enabled arm; then
4506 check_cpp_condition stddef.h \
4507 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
4512 if check_arm_arch 4; then echo armv4
4513 elif check_arm_arch 4T; then echo armv4t
4514 elif check_arm_arch 5; then echo armv5
4515 elif check_arm_arch 5E; then echo armv5e
4516 elif check_arm_arch 5T; then echo armv5t
4517 elif check_arm_arch 5TE; then echo armv5te
4518 elif check_arm_arch 5TEJ; then echo armv5te
4519 elif check_arm_arch 6; then echo armv6
4520 elif check_arm_arch 6J; then echo armv6j
4521 elif check_arm_arch 6K; then echo armv6k
4522 elif check_arm_arch 6Z; then echo armv6z
4523 elif check_arm_arch 6ZK; then echo armv6zk
4524 elif check_arm_arch 6T2; then echo armv6t2
4525 elif check_arm_arch 7; then echo armv7
4526 elif check_arm_arch 7A 7_A; then echo armv7-a
4527 elif check_arm_arch 7S; then echo armv7-a
4528 elif check_arm_arch 7R 7_R; then echo armv7-r
4529 elif check_arm_arch 7M 7_M; then echo armv7-m
4530 elif check_arm_arch 7EM 7E_M; then echo armv7-m
4531 elif check_arm_arch 8A 8_A; then echo armv8-a
4535 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
4539 cpuflags="-march=$cpu"
4540 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
4543 cpuflags="-mcpu=$cpu"
4545 cortex-a*) subarch=armv7a ;;
4546 cortex-r*) subarch=armv7r ;;
4547 cortex-m*) enable thumb; subarch=armv7m ;;
4548 arm11*) subarch=armv6 ;;
4549 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
4550 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
4551 *) subarch=$(probe_arm_arch) ;;
4557 armv5t*) enable fast_clz ;;
4560 disabled fast_unaligned || enable fast_unaligned
4564 elif enabled avr32; then
4569 cpuflags="-mpart=$cpu"
4573 cpuflags="-march=$cpu"
4577 cpuflags="-mcpu=$cpu"
4581 cpuflags="-march=$cpu"
4585 elif enabled bfin; then
4587 cpuflags="-mcpu=$cpu"
4589 elif enabled mips; then
4591 cpuflags="-march=$cpu"
4593 if [ "$cpu" != "generic" ]; then
4603 24kc|24kf*|24kec|34kc|1004kc|24kef*|34kf*|1004kf*|74kc|74kf)
4614 enable local_aligned
4615 enable simd_align_16
4619 enable fast_unaligned
4620 disable aligned_stack
4626 cpuflags="-march=loongson3a -mhard-float -fno-expensive-optimizations"
4629 cpuflags="-march=loongson2e -mhard-float -fno-expensive-optimizations"
4632 cpuflags="-march=loongson2f -mhard-float -fno-expensive-optimizations"
4637 # Unknown CPU. Disable everything.
4638 warn "unknown CPU. Disabling all MIPS optimizations."
4661 24kef*|34kf*|1004kf*)
4669 check_cflags "-mtune=p5600" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops"
4673 check_cflags "-mtune=i6400 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64"
4677 check_cflags "-mtune=p6600 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64"
4681 # We do not disable anything. Is up to the user to disable the unwanted features.
4682 warn 'generic cpu selected'
4685 elif enabled ppc; then
4689 case $(tolower $cpu) in
4690 601|ppc601|powerpc601)
4691 cpuflags="-mcpu=601"
4694 603*|ppc603*|powerpc603*)
4695 cpuflags="-mcpu=603"
4698 604*|ppc604*|powerpc604*)
4699 cpuflags="-mcpu=604"
4702 g3|75*|ppc75*|powerpc75*)
4703 cpuflags="-mcpu=750"
4706 g4|745*|ppc745*|powerpc745*)
4707 cpuflags="-mcpu=7450"
4710 74*|ppc74*|powerpc74*)
4711 cpuflags="-mcpu=7400"
4714 g5|970|ppc970|powerpc970)
4715 cpuflags="-mcpu=970"
4719 cpuflags="-mcpu=$cpu"
4723 cpuflags="-mcpu=$cpu"
4726 cpuflags="-mcpu=cell"
4731 cpuflags="-mcpu=e500mc"
4735 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
4740 cpuflags="-mcpu=8540 -mhard-float"
4746 elif enabled sparc; then
4749 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
4750 cpuflags="-mcpu=$cpu"
4752 ultrasparc*|niagara[234])
4753 cpuflags="-mcpu=$cpu"
4757 elif enabled x86; then
4761 cpuflags="-march=$cpu"
4765 # targets that do NOT support nopl and conditional mov (cmov)
4766 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
4767 cpuflags="-march=$cpu"
4770 # targets that do support nopl and conditional mov (cmov)
4771 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\
4772 |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|skylake*|knl\
4773 |amdfam10|barcelona|b[dt]ver*|znver*)
4774 cpuflags="-march=$cpu"
4778 # targets that do support conditional mov but on which it's slow
4779 pentium4|pentium4m|prescott|nocona)
4780 cpuflags="-march=$cpu"
4788 if [ "$cpu" != generic ]; then
4789 add_cflags $cpuflags
4790 add_asflags $cpuflags
4791 test "$cc_type" = "$ld_type" && add_ldflags $cpuflags
4794 # compiler sanity check
4796 int main(void){ return 0; }
4798 if test "$?" != 0; then
4799 echo "$cc is unable to create an executable file."
4800 if test -z "$cross_prefix" && ! enabled cross_compile ; then
4801 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
4802 echo "Only do this if you know what cross compiling means."
4804 die "C compiler test failed."
4807 add_cppflags -D_ISOC99_SOURCE
4808 add_cxxflags -D__STDC_CONSTANT_MACROS
4809 check_cxxflags -std=c++11 || check_cxxflags -std=c++0x
4811 # some compilers silently accept -std=c11, so we also need to check that the
4812 # version macro is defined properly
4813 test_cflags_cc -std=c11 ctype.h "__STDC_VERSION__ >= 201112L" &&
4814 add_cflags -std=c11 ||
4815 check_cflags -std=c99
4817 check_cppflags -D_FILE_OFFSET_BITS=64
4818 check_cppflags -D_LARGEFILE_SOURCE
4820 add_host_cppflags -D_ISOC99_SOURCE
4821 check_host_cflags -std=c99
4822 check_host_cflags -Wall
4823 check_host_cflags $host_cflags_speed
4829 check_code cc "" "int test[2*($expr) - 1]" &&
4830 subarch=$arch64 || subarch=$arch32
4836 enabled shared && enable_weak pic
4839 check_64bit mips mips64 '_MIPS_SIM > 1'
4840 enabled shared && enable_weak pic
4843 check_64bit parisc parisc64 'sizeof(void *) > 4'
4844 enabled shared && enable_weak pic
4847 check_64bit ppc ppc64 'sizeof(void *) > 4'
4848 enabled shared && enable_weak pic
4851 check_64bit s390 s390x 'sizeof(void *) > 4'
4852 enabled shared && enable_weak pic
4855 check_64bit sparc sparc64 'sizeof(void *) > 4'
4856 enabled shared && enable_weak pic
4859 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
4860 # Treat x32 as x64 for now. Note it also needs pic if shared
4861 test "$subarch" = "x86_32" && check_cpp_condition stddef.h 'defined(__x86_64__)' &&
4862 subarch=x86_64 && enable x86_64 && disable x86_32
4863 if enabled x86_64; then
4864 enabled shared && enable_weak pic
4874 add_cppflags '-I\$(SRC_PATH)/compat/aix'
4875 enabled shared && add_ldflags -Wl,-brtl
4876 arflags='-Xany -r -c'
4880 enable section_data_rel_ro
4881 SLIB_INSTALL_NAME='$(SLIBNAME)'
4883 SHFLAGS='-shared -Wl,-soname,$(SLIBNAME)'
4886 prefix_default="/boot/common"
4887 network_extralibs="-lnetwork"
4891 SHFLAGS='-shared -Wl,-h,$$(@F)'
4892 enabled x86 && append SHFLAGS -mimpure-text
4893 network_extralibs="-lsocket -lnsl"
4894 add_cppflags -D__EXTENSIONS__
4895 # When using suncc to build, the Solaris linker will mark
4896 # an executable with each instruction set encountered by
4897 # the Solaris assembler. As our libraries contain their own
4898 # guards for processor-specific code, instead suppress
4899 # generation of the HWCAPS ELF section on Solaris x86 only.
4900 enabled_all suncc x86 &&
4901 echo "hwcap_1 = OVERRIDE;" > mapfile &&
4902 add_ldflags -Wl,-M,mapfile
4903 nm_default='nm -P -g'
4905 VERSION_SCRIPT_POSTPROCESS_CMD='perl $(SRC_PATH)/compat/solaris/make_sunver.pl - $(OBJS)'
4909 oss_indev_extralibs="-lossaudio"
4910 oss_outdev_extralibs="-lossaudio"
4911 enabled gcc || check_ldflags -Wl,-zmuldefs
4916 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
4918 oss_indev_extralibs="-lossaudio"
4919 oss_outdev_extralibs="-lossaudio"
4927 add_extralibs -lpoll -lgnugetopt
4931 enabled ppc && add_asflags -force_cpusubtype_ALL
4932 install_name_dir_default='$(SHLIBDIR)'
4933 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(INSTALL_NAME_DIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
4934 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
4936 add_ldflags -Wl,-dynamic,-search_paths_first
4937 check_cflags -Werror=partial-availability
4939 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
4940 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
4941 enabled x86_64 && objformat="macho64" || objformat="macho32"
4942 enabled_any pic shared x86_64 ||
4943 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
4944 check_header dispatch/dispatch.h &&
4945 add_cppflags '-I\$(SRC_PATH)/compat/dispatch_semaphore'
4946 if test -n "$sysroot"; then
4947 is_in -isysroot $cc $CPPFLAGS $CFLAGS || check_cppflags -isysroot $sysroot
4948 is_in -isysroot $ld $LDFLAGS || check_ldflags -isysroot $sysroot
4950 version_script='-exported_symbols_list'
4951 VERSION_SCRIPT_POSTPROCESS_CMD='tr " " "\n" | sed -n /global:/,/local:/p | grep ";" | tr ";" "\n" | sed -E "s/(.+)/_\1/g" | sed -E "s/(.+[^*])$$$$/\1*/"'
4954 die "Native MSYS builds are discouraged, please use the MINGW environment."
4958 if enabled shared; then
4959 # Cannot build both shared and static libs when using dllimport.
4962 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
4963 enabled x86_32 && check_ldflags -Wl,--large-address-aware
4964 shlibdir_default="$bindir_default"
4967 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4968 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4969 SLIB_EXTRA_CMD='cp $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4970 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4972 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4973 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4974 SLIB_CREATE_DEF_CMD='EXTERN_PREFIX="$(EXTERN_PREFIX)" AR="$(AR_CMD)" NM="$(NM_CMD)" $(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
4975 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--disable-auto-image-base $$(@:$(SLIBSUF)=.def)'
4976 enabled x86_64 && objformat="win64" || objformat="win32"
4979 check_ldflags -Wl,--nxcompat,--dynamicbase
4980 # Lets work around some stupidity in binutils.
4981 # ld will strip relocations from executables even though we need them
4982 # for dynamicbase (ASLR). Using -pie does retain the reloc section
4983 # however ld then forgets what the entry point should be (oops) so we
4984 # have to manually (re)set it.
4985 if enabled x86_32; then
4986 disabled debug && add_ldexeflags -Wl,--pic-executable,-e,_mainCRTStartup
4987 elif enabled x86_64; then
4988 disabled debug && add_ldexeflags -Wl,--pic-executable,-e,mainCRTStartup
4989 check_ldflags -Wl,--high-entropy-va # binutils 2.25
4990 # Set image base >4GB for extra entropy with HEASLR
4991 add_ldexeflags -Wl,--image-base,0x140000000
4992 append SHFLAGS -Wl,--image-base,0x180000000
4997 if enabled shared; then
4998 # Link to the import library instead of the normal static library
5001 # Cannot build both shared and static libs with MSVC or icl.
5004 enabled x86_32 && check_ldflags -LARGEADDRESSAWARE
5005 shlibdir_default="$bindir_default"
5008 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
5009 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
5010 SLIB_CREATE_DEF_CMD='EXTERN_PREFIX="$(EXTERN_PREFIX)" $(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
5011 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
5013 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
5014 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
5015 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
5016 enabled x86_64 && objformat="win64" || objformat="win32"
5022 shlibdir_default="$bindir_default"
5025 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
5026 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
5027 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
5029 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
5030 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
5031 enabled x86_64 && objformat="win64" || objformat="win32"
5033 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
5034 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
5036 *-dos|freedos|opendos)
5037 network_extralibs="-lsocket"
5040 add_cppflags -U__STRICT_ANSI__
5043 enable section_data_rel_ro
5044 enabled_any arm aarch64 && enable_weak linux_perf
5048 ranlib="echo ignoring ranlib"
5054 add_cppflags -D_GNU_SOURCE
5055 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zhigh-mem -Zmap
5056 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
5060 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
5061 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(FULLNAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
5062 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(FULLNAME).def; \
5063 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(FULLNAME).def; \
5064 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(FULLNAME).def; \
5065 echo EXPORTS >> $(SUBDIR)$(FULLNAME).def; \
5066 emxexp $(OBJS) >> $(SUBDIR)$(FULLNAME).def'
5067 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(FULLNAME)_dll.a $(SUBDIR)$(FULLNAME).def; \
5068 emximp -o $(SUBDIR)$(LIBPREF)$(FULLNAME)_dll.lib $(SUBDIR)$(FULLNAME).def;'
5069 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
5071 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(FULLNAME)_dll.a $(LIBPREF)$(FULLNAME)_dll.lib'
5073 enable_weak os2threads
5076 add_cppflags -D_BSD_SOURCE
5081 add_cppflags -D_QNX_SOURCE
5082 network_extralibs="-lsocket"
5087 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
5088 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
5089 add_ldflags -Wl,--target1-abs,--no-undefined \
5090 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
5091 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
5092 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
5093 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
5094 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
5101 die "Unknown OS '$target_os'."
5105 # test if creating links works
5106 link_dest=$(mktemp -u $TMPDIR/dest_XXXXXXXX)
5107 link_name=$(mktemp -u $TMPDIR/name_XXXXXXXX)
5109 $ln_s "$link_dest" "$link_name"
5110 touch "$link_dest/test_file"
5111 if [ "$source_path" != "." ] && ([ ! -d src ] || [ -L src ]) && [ -e "$link_name/test_file" ]; then
5112 # create link to source path
5113 [ -e src ] && rm src
5114 $ln_s "$source_path" src
5117 # creating directory links doesn't work
5118 # fall back to using the full source path
5119 source_link="$source_path"
5125 # determine libc flavour
5130 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
5131 if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
5132 eval ${pfx}libc_type=uclibc
5133 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
5134 elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then
5135 eval ${pfx}libc_type=glibc
5136 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
5137 # MinGW headers can be installed on Cygwin, so check for newlib first.
5138 elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
5139 eval ${pfx}libc_type=newlib
5140 add_${pfx}cppflags -U__STRICT_ANSI__ -D_XOPEN_SOURCE=600
5141 # MinGW64 is backwards compatible with MinGW32, so check for it first.
5142 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
5143 eval ${pfx}libc_type=mingw64
5144 if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then
5145 add_compat msvcrt/snprintf.o
5146 add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
5148 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
5149 eval test \$${pfx_no_}cc_type = "gcc" &&
5150 add_${pfx}cppflags -D__printf__=__gnu_printf__
5151 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" ||
5152 check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
5153 eval ${pfx}libc_type=mingw32
5154 check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
5155 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
5156 die "ERROR: MinGW32 runtime version must be >= 3.15."
5157 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
5158 check_${pfx}cpp_condition _mingw.h "__MSVCRT_VERSION__ < 0x0700" &&
5159 add_${pfx}cppflags -D__MSVCRT_VERSION__=0x0700
5160 check_${pfx}cpp_condition windows.h "defined(_WIN32_WINNT) && _WIN32_WINNT < 0x0502" &&
5161 add_${pfx}cppflags -D_WIN32_WINNT=0x0502
5162 eval test \$${pfx_no_}cc_type = "gcc" &&
5163 add_${pfx}cppflags -D__printf__=__gnu_printf__
5164 elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
5165 eval ${pfx}libc_type=msvcrt
5166 if check_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then
5167 if [ "$pfx" = host_ ]; then
5168 add_host_cppflags -Dsnprintf=_snprintf
5170 add_compat strtod.o strtod=avpriv_strtod
5171 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
5172 _snprintf=avpriv_snprintf \
5173 vsnprintf=avpriv_vsnprintf
5176 add_${pfx}cppflags -D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS
5177 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
5178 # 0x601 by default unless something else is set by the user.
5179 # This can easily lead to us detecting functions only present
5180 # in such new versions and producing binaries requiring windows 7.0.
5181 # Therefore explicitly set the default to XP unless the user has
5182 # set something else on the command line.
5183 # Don't do this if WINAPI_FAMILY is set and is set to a non-desktop
5184 # family. For these cases, configure is free to use any functions
5185 # found in the SDK headers by default. (Alternatively, we could force
5186 # _WIN32_WINNT to 0x0602 in that case.)
5187 check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||
5188 { check_${pfx}cpp <<EOF && add_${pfx}cppflags -D_WIN32_WINNT=0x0502; }
5189 #ifdef WINAPI_FAMILY
5190 #include <winapifamily.h>
5191 #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
5196 if [ "$pfx" = "" ]; then
5197 check_func strtoll || add_cflags -Dstrtoll=_strtoi64
5198 check_func strtoull || add_cflags -Dstrtoull=_strtoui64
5200 elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
5201 eval ${pfx}libc_type=klibc
5202 elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then
5203 eval ${pfx}libc_type=bionic
5204 elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then
5205 eval ${pfx}libc_type=solaris
5206 add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
5208 check_${pfx}cc <<EOF
5210 void *v = localtime_r;
5212 test "$?" != 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
5214 void *v = localtime_r;
5217 eval test -n "\${${pfx}libc_type}" && enable ${pfx}libc_${libc_type}
5223 # hacks for compiler/libc/os combinations
5227 add_compat strtod.o strtod=avpriv_strtod
5231 check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||
5232 add_cppflags '-I\$(SRC_PATH)/compat/float'
5234 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
5237 : ${shlibdir_default:="$libdir"}
5238 : ${pkgconfigdir_default:="$libdir/pkgconfig"}
5240 set_default $PATHS_LIST
5243 disabled optimizations || enabled ossfuzz || check_cflags -fomit-frame-pointer
5246 disabled pic && return
5249 case "$target_os" in
5250 mingw*|cygwin*|win*)
5259 enabled pic && enable_weak_pic
5261 check_cc <<EOF || die "Symbol mangling check failed."
5264 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
5265 extern_prefix=${sym%%ff_extern*}
5267 ! disabled inline_asm && check_inline_asm inline_asm '"" ::'
5270 for restrict_keyword in restrict __restrict__ __restrict; do
5271 check_cc <<EOF && _restrict=$restrict_keyword && break
5272 void foo(char * $restrict_keyword p);
5276 check_cc <<EOF && enable pragma_deprecated
5277 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
5280 check_cc <<EOF || die "endian test failed"
5281 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
5283 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
5285 check_cc <<EOF && enable const_nan
5287 void foo(void) { struct { double d; } static const bar[] = { { NAN } }; }
5290 if ! enabled ppc64 || enabled bigendian; then
5295 log "check_gas using '$as' as AS"
5296 # :vararg is used on aarch64, arm and ppc altivec
5297 check_as <<EOF || return 1
5298 .macro m n, y:vararg=0
5303 # .altmacro is only used in arm asm
5304 ! enabled arm || check_as <<EOF || return 1
5311 if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then
5313 enabled_any arm aarch64 && nogas=die
5314 enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn
5318 arm*) gaspp_as_type=armasm; as_noop=-h ;;
5319 gcc) gaspp_as_type=gas ;;
5320 *) gaspp_as_type=$as_type ;;
5323 [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"
5325 test "${as#*gas-preprocessor.pl}" != "$as" ||
5326 check_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- ${as:=$cc} $as_noop &&
5327 gas="${gas:=gas-preprocessor.pl} -arch $arch -as-type $gaspp_as_type -- ${as:=$cc}"
5329 if ! check_gas ; then
5332 $nogas "GNU assembler not found, install/update gas-preprocessor"
5335 check_as <<EOF && enable as_func
5341 check_inline_asm inline_asm_labels '"1:\n"'
5343 check_inline_asm inline_asm_nonlocal_labels '"Label:\n"'
5345 if enabled aarch64; then
5346 enabled armv8 && check_insn armv8 'prfm pldl1strm, [x0]'
5347 # internal assembler in clang 3.3 does not support this instruction
5348 enabled neon && check_insn neon 'ext v0.8B, v0.8B, v1.8B, #1'
5349 enabled vfp && check_insn vfp 'fmadd d0, d0, d1, d2'
5351 map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM
5353 elif enabled alpha; then
5357 elif enabled arm; then
5359 enabled msvc && check_cpp_condition stddef.h "defined _M_ARMT" && enable thumb
5361 check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb
5362 float func(float a, float b){ return a+b; }
5365 enabled thumb && check_cflags -mthumb || check_cflags -marm
5367 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
5369 elif check_cpp_condition stddef.h "defined _M_ARM_FP && _M_ARM_FP >= 30"; then
5371 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__" && [ $target_os != darwin ]; then
5372 case "${cross_prefix:-$cc}" in
5373 *hardfloat*) enable vfp_args; fpabi=vfp ;;
5374 *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
5375 __asm__ (".eabi_attribute 28, 1");
5376 int main(void) { return 0; }
5379 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
5382 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
5383 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
5384 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
5385 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
5386 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
5387 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
5388 enabled setend && check_insn setend 'setend be'
5390 [ $target_os = linux ] || [ $target_os = android ] ||
5391 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
5394 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
5396 check_as <<EOF && enable as_arch_directive
5399 check_as <<EOF && enable as_fpu_directive
5403 # llvm's integrated assembler supports .object_arch from llvm 3.5
5404 [ "$objformat" = elf32 ] || [ "$objformat" = elf64 ] &&
5405 check_as <<EOF && enable as_object_arch
5409 # MS armasm fails to assemble our PIC constructs
5410 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
5412 elif enabled mips; then
5414 enabled loongson2 && check_inline_asm loongson2 '"dmult.g $8, $9, $10"'
5415 enabled loongson3 && check_inline_asm loongson3 '"gsldxc1 $f0, 0($2, $3)"'
5416 enabled mmi && check_inline_asm mmi '"punpcklhw $f0, $f0, $f0"'
5418 # Enable minimum ISA based on selected options
5419 if enabled mips64; then
5420 enabled mips64r6 && check_inline_asm_flags mips64r6 '"dlsa $0, $0, $0, 1"' '-mips64r6'
5421 enabled mips64r2 && check_inline_asm_flags mips64r2 '"dext $0, $0, 0, 1"' '-mips64r2'
5422 disabled mips64r6 && disabled mips64r2 && check_inline_asm_flags mips64r1 '"daddi $0, $0, 0"' '-mips64'
5424 enabled mips32r6 && check_inline_asm_flags mips32r6 '"aui $0, $0, 0"' '-mips32r6'
5425 enabled mips32r5 && check_inline_asm_flags mips32r5 '"eretnc"' '-mips32r5'
5426 enabled mips32r2 && check_inline_asm_flags mips32r2 '"ext $0, $0, 0, 1"' '-mips32r2'
5427 disabled mips32r6 && disabled mips32r5 && disabled mips32r2 && check_inline_asm_flags mips32r1 '"addi $0, $0, 0"' '-mips32'
5430 enabled mipsfpu && check_inline_asm_flags mipsfpu '"cvt.d.l $f0, $f2"' '-mhard-float'
5431 enabled mipsfpu && (enabled mips32r5 || enabled mips32r6 || enabled mips64r6) && check_inline_asm_flags mipsfpu '"cvt.d.l $f0, $f1"' '-mfp64'
5432 enabled mipsfpu && enabled msa && check_inline_asm_flags msa '"addvi.b $w0, $w1, 1"' '-mmsa' && check_header msa.h || disable msa
5433 enabled mipsdsp && check_inline_asm_flags mipsdsp '"addu.qb $t0, $t1, $t2"' '-mdsp'
5434 enabled mipsdspr2 && check_inline_asm_flags mipsdspr2 '"absq_s.qb $t0, $t1"' '-mdspr2'
5436 if enabled bigendian && enabled msa; then
5440 elif enabled parisc; then
5442 if enabled gcc; then
5443 case $($cc -dumpversion) in
5444 4.[3-9].*) check_cflags -fno-optimize-sibling-calls ;;
5448 elif enabled ppc; then
5450 enable local_aligned
5452 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
5453 check_inline_asm ibm_asm '"add 0, 0, 0"'
5454 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
5455 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
5457 if enabled altivec; then
5458 check_cflags -maltivec -mabi=altivec
5460 # check if our compiler supports Motorola AltiVec C API
5461 check_code cc altivec.h "vector signed int v1 = (vector signed int) { 0 };
5462 vector signed int v2 = (vector signed int) { 1 };
5463 v1 = vec_add(v1, v2);" ||
5466 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
5469 if enabled vsx; then
5470 check_cflags -mvsx &&
5471 check_code cc altivec.h "int v[4] = { 0 };
5472 vector signed int v1 = vec_vsx_ld(0, v);" ||
5476 if enabled power8; then
5477 check_cpp_condition "altivec.h" "defined(_ARCH_PWR8)" || disable power8
5480 elif enabled x86; then
5482 check_builtin rdtsc intrin.h "__rdtsc()"
5483 check_builtin mm_empty mmintrin.h "_mm_empty()"
5485 enable local_aligned
5487 # check whether EBP is available on x86
5488 # As 'i' is stored on the stack, this program will crash
5489 # if the base pointer is used to access it because the
5490 # base pointer is cleared in the inline assembly code.
5491 check_exec_crash <<EOF && enable ebp_available
5493 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
5497 # check whether EBX is available on x86
5498 check_inline_asm ebx_available '""::"b"(0)' &&
5499 check_inline_asm ebx_available '"":::"%ebx"'
5501 # check whether xmm clobbers are supported
5502 check_inline_asm xmm_clobbers '"":::"%xmm0"'
5504 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' ||
5505 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"'
5507 # check whether binutils is new enough to compile SSSE3/MMXEXT
5508 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
5509 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
5513 if check_cmd $x86asmexe_probe -v; then
5514 x86asmexe=$x86asmexe_probe
5516 x86asm_debug="-g -F dwarf"
5518 X86ASM_DEPFLAGS='-MD $(@:.o=.d)'
5519 elif check_cmd $x86asmexe_probe --version; then
5520 x86asmexe=$x86asmexe_probe
5522 x86asm_debug="-g dwarf2"
5523 X86ASMDEP='$(DEPX86ASM) $(X86ASMFLAGS) -M $(X86ASM_O) $< > $(@:.o=.d)'
5526 check_x86asm "movbe ecx, [5]" && enable x86asm
5529 if ! disabled_any asm mmx x86asm; then
5531 for program in $x86asmexe nasm yasm; do
5532 probe_x86asm $program && break
5534 disabled x86asm && die "nasm/yasm not found or too old. Use --disable-x86asm for a crippled build."
5535 X86ASMFLAGS="-f $objformat"
5536 enabled pic && append X86ASMFLAGS "-DPIC"
5537 test -n "$extern_prefix" && append X86ASMFLAGS "-DPREFIX"
5538 case "$objformat" in
5539 elf*) enabled debug && append X86ASMFLAGS $x86asm_debug ;;
5542 check_x86asm "vextracti128 xmm0, ymm0, 0" || disable avx2_external
5543 check_x86asm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external
5544 check_x86asm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
5545 check_x86asm "CPU amdnop" || disable cpunop
5549 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
5556 check_code cc arm_neon.h "int16x8_t test = vdupq_n_s16(0)" && enable intrinsics_neon
5558 check_ldflags -Wl,--as-needed
5559 check_ldflags -Wl,-z,noexecstack
5561 if ! disabled network; then
5562 check_func getaddrinfo $network_extralibs
5563 check_func inet_aton $network_extralibs
5565 check_type netdb.h "struct addrinfo"
5566 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
5567 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
5568 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
5569 check_type poll.h "struct pollfd"
5570 check_type netinet/sctp.h "struct sctp_event_subscribe"
5571 check_struct "sys/socket.h" "struct msghdr" msg_flags
5572 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
5573 check_type netinet/in.h "struct sockaddr_in6"
5574 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
5575 check_type "sys/types.h sys/socket.h" socklen_t
5577 # Prefer arpa/inet.h over winsock2
5578 if check_header arpa/inet.h ; then
5579 check_func closesocket
5580 elif check_header winsock2.h ; then
5581 check_func_headers winsock2.h closesocket -lws2 &&
5582 network_extralibs="-lws2" ||
5583 { check_func_headers winsock2.h closesocket -lws2_32 &&
5584 network_extralibs="-lws2_32"; } || disable winsock2_h network
5585 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
5587 check_type ws2tcpip.h socklen_t
5588 check_type ws2tcpip.h "struct addrinfo"
5589 check_type ws2tcpip.h "struct group_source_req"
5590 check_type ws2tcpip.h "struct ip_mreq_source"
5591 check_type ws2tcpip.h "struct ipv6_mreq"
5592 check_type winsock2.h "struct pollfd"
5593 check_struct winsock2.h "struct sockaddr" sa_len
5594 check_type ws2tcpip.h "struct sockaddr_in6"
5595 check_type ws2tcpip.h "struct sockaddr_storage"
5601 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
5602 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
5603 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
5604 check_builtin sarestart signal.h "SA_RESTART"
5605 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
5606 check_builtin gmtime_r time.h "time_t *time; struct tm *tm; gmtime_r(time, tm)"
5607 check_builtin localtime_r time.h "time_t *time; struct tm *tm; localtime_r(time, tm)"
5608 check_builtin x264_csp_bgr "stdint.h x264.h" "X264_CSP_BGR"
5610 case "$custom_allocator" in
5612 # jemalloc by default does not use a prefix
5613 require libjemalloc jemalloc/jemalloc.h malloc -ljemalloc
5616 require_pkg_config libtcmalloc libtcmalloc gperftools/tcmalloc.h tc_malloc
5621 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
5622 check_func ${malloc_prefix}memalign && enable memalign
5623 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
5626 check_func_headers stdlib.h arc4random
5627 check_lib clock_gettime time.h clock_gettime || check_lib clock_gettime time.h clock_gettime -lrt
5630 check_func gethrtime
5632 check_func getrusage
5633 check_func gettimeofday
5638 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
5639 check_func_headers time.h nanosleep || check_lib nanosleep time.h nanosleep -lrt
5640 check_func sched_getaffinity
5641 check_func setrlimit
5642 check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE
5643 check_func strerror_r
5648 check_func_headers conio.h kbhit
5649 check_func_headers io.h setmode
5650 check_func_headers lzo/lzo1x.h lzo1x_999_compress
5651 check_func_headers mach/mach_time.h mach_absolute_time
5652 check_func_headers stdlib.h getenv
5653 check_func_headers sys/stat.h lstat
5655 check_func_headers windows.h GetProcessAffinityMask
5656 check_func_headers windows.h GetProcessTimes
5657 check_func_headers windows.h GetSystemTimeAsFileTime
5658 check_func_headers windows.h LoadLibrary
5659 check_func_headers windows.h MapViewOfFile
5660 check_func_headers windows.h PeekNamedPipe
5661 check_func_headers windows.h SetConsoleTextAttribute
5662 check_func_headers windows.h SetConsoleCtrlHandler
5663 check_func_headers windows.h Sleep
5664 check_func_headers windows.h VirtualAlloc
5665 check_struct windows.h "CONDITION_VARIABLE" Ptr
5666 check_func_headers glob.h glob
5668 check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext
5670 check_header direct.h
5671 check_header dirent.h
5672 check_header dxgidebug.h
5674 check_header dxva2api.h -D_WIN32_WINNT=0x0600
5676 check_header libcrystalhd/libcrystalhd_if.h
5677 check_header malloc.h
5678 check_header net/udplite.h
5680 check_header sys/param.h
5681 check_header sys/resource.h
5682 check_header sys/select.h
5683 check_header sys/time.h
5684 check_header sys/un.h
5685 check_header termios.h
5686 check_header unistd.h
5687 check_header valgrind/valgrind.h
5688 check_func_headers VideoToolbox/VTCompressionSession.h VTCompressionSessionPrepareToEncodeFrames -framework VideoToolbox
5689 check_header windows.h
5690 check_header X11/extensions/XvMClib.h
5691 check_header asm/types.h
5693 # it seems there are versions of clang in some distros that try to use the
5694 # gcc headers, which explodes for stdatomic
5695 # so we also check that atomics actually work here
5696 check_builtin stdatomic stdatomic.h "atomic_int foo, bar = ATOMIC_VAR_INIT(-1); atomic_store(&foo, 0)"
5698 check_lib advapi32 "windows.h" RegCloseKey -ladvapi32
5699 check_lib ole32 "windows.h" CoTaskMemFree -lole32
5700 check_lib shell32 "windows.h shellapi.h" CommandLineToArgvW -lshell32
5701 check_lib wincrypt "windows.h wincrypt.h" CryptGenRandom -ladvapi32
5702 check_lib psapi "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
5704 enabled appkit && check_apple_framework AppKit
5705 enabled audiotoolbox && check_apple_framework AudioToolbox
5706 enabled avfoundation && check_apple_framework AVFoundation
5707 enabled coreimage && check_apple_framework CoreImage
5708 enabled videotoolbox && check_apple_framework VideoToolbox
5710 check_apple_framework CoreFoundation
5711 check_apple_framework CoreMedia
5712 check_apple_framework CoreVideo
5714 enabled avfoundation && {
5715 disable coregraphics applicationservices
5716 check_lib coregraphics CoreGraphics/CoreGraphics.h CGGetActiveDisplayList "-framework CoreGraphics" ||
5717 check_lib applicationservices ApplicationServices/ApplicationServices.h CGGetActiveDisplayList "-framework ApplicationServices"; }
5719 enabled videotoolbox && {
5720 check_lib coreservices CoreServices/CoreServices.h UTGetOSTypeFromString "-framework CoreServices"
5721 check_func_headers CoreMedia/CMFormatDescription.h kCMVideoCodecType_HEVC "-framework CoreMedia"
5724 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
5726 check_type "windows.h dxva.h" "DXVA_PicParams_HEVC" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0
5727 check_type "windows.h dxva.h" "DXVA_PicParams_VP9" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0
5728 check_type "windows.h d3d11.h" "ID3D11VideoDecoder"
5729 check_type "windows.h d3d11.h" "ID3D11VideoContext"
5730 check_type "d3d9.h dxva2api.h" DXVA2_ConfigPictureDecode -D_WIN32_WINNT=0x0602
5732 check_type "va/va.h va/va_dec_hevc.h" "VAPictureParameterBufferHEVC"
5733 check_type "va/va.h va/va_dec_vp8.h" "VAPictureParameterBufferVP8"
5734 check_struct "va/va.h" "VADecPictureParameterBufferVP9" bit_depth
5735 check_type "va/va.h va/va_vpp.h" "VAProcPipelineParameterBuffer"
5736 check_type "va/va.h va/va_enc_h264.h" "VAEncPictureParameterBufferH264"
5737 check_type "va/va.h va/va_enc_hevc.h" "VAEncPictureParameterBufferHEVC"
5738 check_type "va/va.h va/va_enc_jpeg.h" "VAEncPictureParameterBufferJPEG"
5739 check_type "va/va.h va/va_enc_mpeg2.h" "VAEncPictureParameterBufferMPEG2"
5740 check_type "va/va.h va/va_enc_vp8.h" "VAEncPictureParameterBufferVP8"
5741 check_type "va/va.h va/va_enc_vp9.h" "VAEncPictureParameterBufferVP9"
5743 check_type "vdpau/vdpau.h" "VdpPictureInfoHEVC"
5745 check_cpp_condition windows.h "!WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)" && enable winrt || disable winrt
5747 if ! disabled w32threads && ! enabled pthreads; then
5748 check_func_headers "windows.h process.h" _beginthreadex &&
5749 enable w32threads || disable w32threads
5750 if ! enabled w32threads && enabled winrt; then
5751 check_func_headers "windows.h" CreateThread &&
5752 enable w32threads || disable w32threads
5756 # check for some common methods of building with pthread support
5757 # do this before the optional library checks as some of them require pthreads
5758 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
5759 if check_lib pthreads pthread.h pthread_join -pthread &&
5760 check_lib pthreads pthread.h pthread_create -pthread; then
5762 elif check_lib pthreads pthread.h pthread_join -pthreads &&
5763 check_lib pthreads pthread.h pthread_create -pthreads; then
5764 add_cflags -pthreads
5765 elif check_lib pthreads pthread.h pthread_join -ldl -pthread &&
5766 check_lib pthreads pthread.h pthread_create -ldl -pthread; then
5767 add_cflags -ldl -pthread
5768 elif check_lib pthreads pthread.h pthread_join -lpthreadGC2 &&
5769 check_lib pthreads pthread.h pthread_create -lpthreadGC2; then
5771 elif check_lib pthreads pthread.h pthread_join -lpthread &&
5772 check_lib pthreads pthread.h pthread_create -lpthread; then
5774 elif check_func pthread_join && check_func pthread_create; then
5777 check_code cc "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER" || disable pthreads
5779 if enabled pthreads; then
5780 check_builtin sem_timedwait semaphore.h "sem_t *s; sem_init(s,0,0); sem_timedwait(s,0); sem_destroy(s)" $pthreads_extralibs
5781 check_func pthread_cancel $pthreads_extralibs
5785 enabled zlib && check_lib zlib zlib.h zlibVersion -lz
5786 enabled bzlib && check_lib bzlib bzlib.h BZ2_bzlibVersion -lbz2
5787 enabled lzma && check_lib lzma lzma.h lzma_version_number -llzma
5789 # On some systems dynamic loading requires no extra linker flags
5790 check_lib libdl dlfcn.h "dlopen dlsym" || check_lib libdl dlfcn.h "dlopen dlsym" -ldl
5792 check_lib libm math.h sin -lm
5800 for func in $MATH_FUNCS; do
5801 eval check_mathfunc $func \${${func}_args:-1} $libm_extralibs
5804 for func in $COMPLEX_FUNCS; do
5805 eval check_complexfunc $func \${${func}_args:-1}
5808 # these are off by default, so fail if requested and not available
5809 enabled cuda_sdk && require cuda_sdk cuda.h cuCtxCreate -lcuda
5810 enabled chromaprint && require chromaprint chromaprint.h chromaprint_get_version -lchromaprint
5811 enabled decklink && { require_header DeckLinkAPI.h &&
5812 { check_cpp_condition DeckLinkAPIVersion.h "BLACKMAGIC_DECKLINK_API_VERSION >= 0x0a060100" || die "ERROR: Decklink API version must be >= 10.6.1."; } }
5813 enabled libndi_newtek && require_header Processing.NDI.Lib.h
5814 enabled frei0r && require_header frei0r.h
5815 enabled gmp && require gmp gmp.h mpz_export -lgmp
5816 enabled gnutls && require_pkg_config gnutls gnutls gnutls/gnutls.h gnutls_global_init
5817 enabled jni && { [ $target_os = "android" ] && check_header jni.h && enabled pthreads || die "ERROR: jni not found"; }
5818 enabled ladspa && require_header ladspa.h
5819 enabled lv2 && require_pkg_config lv2 lilv-0 "lilv-0/lilv/lilv.h" lilv_world_new
5820 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
5821 enabled libass && require_pkg_config libass libass ass/ass.h ass_library_init
5822 enabled libbluray && require_pkg_config libbluray libbluray libbluray/bluray.h bd_open
5823 enabled libbs2b && require_pkg_config libbs2b libbs2b bs2b.h bs2b_open
5824 enabled libcelt && require libcelt celt/celt.h celt_decode -lcelt0 &&
5825 { check_lib libcelt celt/celt.h celt_decoder_create_custom -lcelt0 ||
5826 die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
5827 enabled libcaca && require_pkg_config libcaca caca caca.h caca_create_canvas
5828 enabled libdc1394 && require_pkg_config libdc1394 libdc1394-2 dc1394/dc1394.h dc1394_new
5829 enabled libdrm && require_pkg_config libdrm libdrm xf86drm.h drmGetVersion
5830 enabled libfdk_aac && { check_pkg_config libfdk_aac fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen ||
5831 { require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac &&
5832 warn "using libfdk without pkg-config"; } }
5833 flite_extralibs="-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"
5834 enabled libflite && require libflite "flite/flite.h" flite_init $flite_extralibs
5835 enabled fontconfig && enable libfontconfig
5836 enabled libfontconfig && require_pkg_config libfontconfig fontconfig "fontconfig/fontconfig.h" FcInit
5837 enabled libfreetype && require_pkg_config libfreetype freetype2 "ft2build.h FT_FREETYPE_H" FT_Init_FreeType
5838 enabled libfribidi && require_pkg_config libfribidi fribidi fribidi.h fribidi_version_info
5839 enabled libgme && { check_pkg_config libgme libgme gme/gme.h gme_new_emu ||
5840 require libgme gme/gme.h gme_new_emu -lgme -lstdc++; }
5841 enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
5842 check_lib libgsm "${gsm_hdr}" gsm_create -lgsm && break;
5843 done || die "ERROR: libgsm not found"; }
5844 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc $pthreads_extralibs
5845 enabled libkvazaar && require_pkg_config libkvazaar "kvazaar >= 0.8.1" kvazaar.h kvz_api_get
5846 # While it may appear that require is being used as a pkg-config
5847 # fallback for libmfx, it is actually being used to detect a different
5848 # installation route altogether. If libmfx is installed via the Intel
5849 # Media SDK or Intel Media Server Studio, these don't come with
5850 # pkg-config support. Instead, users should make sure that the build
5851 # can find the libraries and headers through other means.
5852 enabled libmfx && { check_pkg_config libmfx libmfx "mfx/mfxvideo.h" MFXInit ||
5853 { require libmfx "mfx/mfxvideo.h" MFXInit "-llibmfx $advapi32_extralibs" && warn "using libmfx without pkg-config"; } }
5854 enabled libmodplug && require_pkg_config libmodplug libmodplug libmodplug/modplug.h ModPlug_Load
5855 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
5856 enabled libmysofa && require libmysofa "mysofa.h" mysofa_load -lmysofa $zlib_extralibs
5857 enabled libnpp && { check_lib libnpp npp.h nppGetLibVersion -lnppig -lnppicc -lnppc ||
5858 check_lib libnpp npp.h nppGetLibVersion -lnppi -lnppc ||
5859 die "ERROR: libnpp not found"; }
5860 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
5861 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
5862 enabled libopencv && { check_header opencv2/core/core_c.h &&
5863 { check_pkg_config libopencv opencv opencv2/core/core_c.h cvCreateImageHeader ||
5864 require libopencv opencv2/core/core_c.h cvCreateImageHeader -lopencv_core -lopencv_imgproc; } ||
5865 require_pkg_config libopencv opencv opencv/cxcore.h cvCreateImageHeader; }
5866 enabled libopenh264 && require_pkg_config libopenh264 openh264 wels/codec_api.h WelsGetCodecVersion
5867 enabled libopenjpeg && { check_pkg_config libopenjpeg "libopenjp2 >= 2.1.0" openjpeg.h opj_version ||
5868 { require_pkg_config libopenjpeg "libopenjp2 >= 2.1.0" openjpeg.h opj_version -DOPJ_STATIC && add_cppflags -DOPJ_STATIC; } }
5869 enabled libopenmpt && require_pkg_config libopenmpt "libopenmpt >= 0.2.6557" libopenmpt/libopenmpt.h openmpt_module_create -lstdc++ && append libopenmpt_extralibs "-lstdc++"
5870 enabled libopus && {
5871 enabled libopus_decoder && {
5872 require_pkg_config libopus opus opus_multistream.h opus_multistream_decoder_create
5874 enabled libopus_encoder && {
5875 require_pkg_config libopus opus opus_multistream.h opus_multistream_surround_encoder_create
5878 enabled libpulse && require_pkg_config libpulse libpulse pulse/pulseaudio.h pa_context_new
5879 enabled librsvg && require_pkg_config librsvg librsvg-2.0 librsvg-2.0/librsvg/rsvg.h rsvg_handle_render_cairo
5880 enabled librtmp && require_pkg_config librtmp librtmp librtmp/rtmp.h RTMP_Socket
5881 enabled librubberband && require_pkg_config librubberband "rubberband >= 1.8.1" rubberband/rubberband-c.h rubberband_new -lstdc++ && append librubberband_extralibs "-lstdc++"
5882 enabled libshine && require_pkg_config libshine shine shine/layer3.h shine_encode_buffer
5883 enabled libsmbclient && { check_pkg_config libsmbclient smbclient libsmbclient.h smbc_init ||
5884 require libsmbclient libsmbclient.h smbc_init -lsmbclient; }
5885 enabled libsnappy && require libsnappy snappy-c.h snappy_compress -lsnappy -lstdc++
5886 enabled libsoxr && require libsoxr soxr.h soxr_create -lsoxr
5887 enabled libssh && require_pkg_config libssh libssh libssh/sftp.h sftp_init
5888 enabled libspeex && require_pkg_config libspeex speex speex/speex.h speex_decoder_init
5889 enabled libtesseract && require_pkg_config libtesseract tesseract tesseract/capi.h TessBaseAPICreate
5890 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
5891 enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame &&
5892 { check_lib libtwolame twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
5893 die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
5894 enabled libv4l2 && require_pkg_config libv4l2 libv4l2 libv4l2.h v4l2_ioctl
5895 enabled libvidstab && require_pkg_config libvidstab "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit
5896 enabled libvmaf && require_pkg_config libvmaf libvmaf libvmaf.h compute_vmaf
5897 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
5898 enabled libvorbis && require_pkg_config libvorbis vorbis vorbis/codec.h vorbis_info_init &&
5899 require_pkg_config libvorbisenc vorbisenc vorbis/vorbisenc.h vorbis_encode_init
5902 enabled libvpx_vp8_decoder && {
5903 check_pkg_config libvpx_vp8_decoder "vpx >= 1.4.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp8_dx ||
5904 check_lib libvpx_vp8_decoder "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_dec_init_ver VPX_IMG_FMT_HIGHBITDEPTH" -lvpx ||
5905 die "ERROR: libvpx decoder version must be >=1.4.0";
5907 enabled libvpx_vp8_encoder && {
5908 check_pkg_config libvpx_vp8_encoder "vpx >= 1.4.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp8_cx ||
5909 check_lib libvpx_vp8_encoder "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VPX_IMG_FMT_HIGHBITDEPTH" -lvpx ||
5910 die "ERROR: libvpx encoder version must be >=1.4.0";
5912 enabled libvpx_vp9_decoder && {
5913 check_pkg_config libvpx_vp9_decoder "vpx >= 1.4.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx ||
5914 check_lib libvpx_vp9_decoder "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx VPX_IMG_FMT_HIGHBITDEPTH" -lvpx
5916 enabled libvpx_vp9_encoder && {
5917 check_pkg_config libvpx_vp9_encoder "vpx >= 1.4.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx ||
5918 check_lib libvpx_vp9_encoder "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VPX_IMG_FMT_HIGHBITDEPTH" -lvpx
5920 if disabled_all libvpx_vp8_decoder libvpx_vp9_decoder libvpx_vp8_encoder libvpx_vp9_encoder; then
5921 die "libvpx enabled but no supported decoders found"
5925 enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack
5926 enabled libwebp && {
5927 enabled libwebp_encoder && require_pkg_config libwebp "libwebp >= 0.2.0" webp/encode.h WebPGetEncoderVersion
5928 enabled libwebp_anim_encoder && check_pkg_config libwebp_anim_encoder "libwebpmux >= 0.4.0" webp/mux.h WebPAnimEncoderOptionsInit; }
5929 enabled libx264 && { check_pkg_config libx264 x264 "stdint.h x264.h" x264_encoder_encode ||
5930 { require libx264 "stdint.h x264.h" x264_encoder_encode -lx264 &&
5931 warn "using libx264 without pkg-config"; } } &&
5932 require_cpp_condition x264.h "X264_BUILD >= 118" &&
5933 { check_cpp_condition x264.h "X264_MPEG2" &&
5935 enabled libx265 && require_pkg_config libx265 x265 x265.h x265_api_get &&
5936 require_cpp_condition x265.h "X265_BUILD >= 68"
5937 enabled libxavs && require libxavs "stdint.h xavs.h" xavs_encoder_encode "-lxavs $pthreads_extralibs $libm_extralibs"
5938 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
5939 enabled libzimg && require_pkg_config libzimg "zimg >= 2.6.2" zimg.h zimg_get_api_version
5940 enabled libzmq && require_pkg_config libzmq libzmq zmq.h zmq_ctx_new
5941 enabled libzvbi && require_pkg_config libzvbi zvbi-0.2 libzvbi.h vbi_decoder_new &&
5942 { check_cpp_condition libzvbi.h "VBI_VERSION_MAJOR > 0 || VBI_VERSION_MINOR > 2 || VBI_VERSION_MINOR == 2 && VBI_VERSION_MICRO >= 28" ||
5943 enabled gpl || die "ERROR: libzvbi requires version 0.2.28 or --enable-gpl."; }
5944 enabled libxml2 && require_pkg_config libxml2 libxml-2.0 libxml2/libxml/xmlversion.h xmlCheckVersion
5945 enabled mediacodec && { enabled jni || die "ERROR: mediacodec requires --enable-jni"; }
5946 enabled mmal && { check_lib mmal interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ||
5947 { ! enabled cross_compile &&
5948 add_cflags -isystem/opt/vc/include/ -isystem/opt/vc/include/interface/vmcs_host/linux -isystem/opt/vc/include/interface/vcos/pthreads -fgnu89-inline &&
5949 add_ldflags -L/opt/vc/lib/ &&
5950 check_lib mmal interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host; } ||
5951 die "ERROR: mmal not found" &&
5952 check_func_headers interface/mmal/mmal.h "MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS"; }
5953 enabled openal && { { for al_extralibs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
5954 check_lib openal 'AL/al.h' alGetError "${al_extralibs}" && break; done } ||
5955 die "ERROR: openal not found"; } &&
5956 { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
5957 die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
5958 enabled opencl && { check_lib opencl OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||
5959 check_lib opencl CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||
5960 die "ERROR: opencl not found"; } &&
5961 { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||
5962 check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||
5963 die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }
5964 enabled opengl && { check_lib opengl GL/glx.h glXGetProcAddress "-lGL" ||
5965 check_lib opengl windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||
5966 check_lib opengl OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||
5967 check_lib opengl ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||
5968 die "ERROR: opengl not found."
5970 enabled omx && require_header OMX_Core.h
5971 enabled omx_rpi && { check_header OMX_Core.h ||
5972 { ! enabled cross_compile && add_cflags -isystem/opt/vc/include/IL && check_header OMX_Core.h ; } ||
5973 die "ERROR: OpenMAX IL headers not found"; } && enable omx
5974 enabled openssl && { check_pkg_config openssl openssl openssl/ssl.h OPENSSL_init_ssl ||
5975 check_pkg_config openssl openssl openssl/ssl.h SSL_library_init ||
5976 check_lib openssl openssl/ssl.h SSL_library_init -lssl -lcrypto ||
5977 check_lib openssl openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
5978 check_lib openssl openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
5979 die "ERROR: openssl not found"; }
5980 enabled rkmpp && { { require_pkg_config rkmpp rockchip_mpp rockchip/rk_mpi.h mpp_create ||
5981 die "ERROR : Rockchip MPP was not found."; } &&
5982 { check_func_headers rockchip/rk_mpi_cmd.h "MPP_DEC_GET_FREE_PACKET_SLOT_COUNT" ||
5983 die "ERROR: Rockchip MPP is outdated, please get a more recent one."; } &&
5985 die "ERROR: rkmpp requires --enable-libdrm"; }
5988 if enabled gcrypt; then
5989 GCRYPT_CONFIG="${cross_prefix}libgcrypt-config"
5990 if "${GCRYPT_CONFIG}" --version > /dev/null 2>&1; then
5991 gcrypt_cflags=$("${GCRYPT_CONFIG}" --cflags)
5992 gcrypt_extralibs=$("${GCRYPT_CONFIG}" --libs)
5993 check_func_headers gcrypt.h gcry_mpi_new $gcrypt_cflags $gcrypt_extralibs ||
5994 die "ERROR: gcrypt not found"
5995 add_cflags $gcrypt_cflags
5997 require gcrypt gcrypt.h gcry_mpi_new -lgcrypt
6001 if enabled sdl2; then
6002 SDL2_CONFIG="${cross_prefix}sdl2-config"
6003 if test_pkg_config sdl2 "sdl2 >= 2.0.1 sdl2 < 2.1.0" SDL_events.h SDL_PollEvent; then
6004 check_func SDL_Init $sdl2_extralibs $sdl2_cflags ||
6006 elif "${SDL2_CONFIG}" --version > /dev/null 2>&1; then
6007 sdl2_cflags=$("${SDL2_CONFIG}" --cflags)
6008 sdl2_extralibs=$("${SDL2_CONFIG}" --libs)
6009 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x020001" $sdl2_cflags &&
6010 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x020100" $sdl2_cflags &&
6011 check_func SDL_Init $sdl2_extralibs $sdl2_cflags &&
6014 if test $target_os = "mingw32"; then
6015 sdl2_extralibs=$(filter_out '-mwindows' $sdl2_extralibs)
6019 if enabled decklink; then
6021 mingw32*|mingw64*|win32|win64)
6022 decklink_outdev_extralibs="$decklink_outdev_extralibs -lole32 -loleaut32"
6023 decklink_indev_extralibs="$decklink_indev_extralibs -lole32 -loleaut32"
6028 enabled securetransport &&
6029 check_func SecIdentityCreate "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&
6030 check_lib securetransport "Security/SecureTransport.h Security/Security.h" "SSLCreateContext" "-Wl,-framework,CoreFoundation -Wl,-framework,Security" ||
6031 disable securetransport
6033 enabled securetransport &&
6034 check_func SecItemImport "-Wl,-framework,CoreFoundation -Wl,-framework,Security"
6037 check_func_headers "windows.h security.h" InitializeSecurityContext -DSECURITY_WIN32 -lsecur32 &&
6038 check_cpp_condition winerror.h "defined(SEC_I_CONTEXT_EXPIRED)" &&
6039 schannel_extralibs="-lsecur32" ||
6042 makeinfo --version > /dev/null 2>&1 && enable makeinfo || disable makeinfo
6044 && [ 0$(makeinfo --version | grep "texinfo" | sed 's/.*texinfo[^0-9]*\([0-9]*\)\..*/\1/') -ge 5 ] \
6045 && enable makeinfo_html || disable makeinfo_html
6046 disabled makeinfo_html && texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
6047 perl -v > /dev/null 2>&1 && enable perl || disable perl
6048 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
6049 rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout
6051 # check V4L2 codecs available in the API
6052 check_header linux/fb.h
6053 check_header linux/videodev2.h
6054 check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_sanitized struct_v4l2_frmivalenum_discrete
6055 check_code cc linux/videodev2.h "int i = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_VIDEO_M2M | V4L2_BUF_FLAG_LAST;" || disable v4l2_m2m
6056 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_VC1_ANNEX_G;" && enable vc1_v4l2_m2m
6057 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG1;" && enable mpeg1_v4l2_m2m
6058 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG2;" && enable mpeg2_v4l2_m2m
6059 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG4;" && enable mpeg4_v4l2_m2m
6060 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_HEVC;" && enable hevc_v4l2_m2m
6061 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_H263;" && enable h263_v4l2_m2m
6062 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_H264;" && enable h264_v4l2_m2m
6063 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_VP8;" && enable vp8_v4l2_m2m
6064 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_VP9;" && enable vp9_v4l2_m2m
6066 check_header sys/videoio.h
6067 check_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_sanitized struct_v4l2_frmivalenum_discrete
6069 check_lib user32 "windows.h winuser.h" GetShellWindow -luser32
6070 check_lib vfw32 "windows.h vfw.h" capCreateCaptureWindow -lvfw32
6071 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
6072 # w32api 3.12 had it defined wrong
6073 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
6075 check_type "dshow.h" IBaseFilter
6077 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
6078 check_header "dev/bktr/ioctl_meteor.h dev/bktr/ioctl_bt848.h" ||
6079 check_header "machine/ioctl_meteor.h machine/ioctl_bt848.h" ||
6080 check_header "dev/video/meteor/ioctl_meteor.h dev/video/bktr/ioctl_bt848.h" ||
6081 check_header "dev/ic/bt8xx.h"
6083 if check_struct sys/soundcard.h audio_buf_info bytes; then
6084 enable_sanitized sys/soundcard.h
6086 check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_sanitized sys/soundcard.h
6087 #include <sys/soundcard.h>
6092 enabled alsa && check_pkg_config alsa alsa "alsa/asoundlib.h" snd_pcm_htimestamp ||
6093 check_lib alsa alsa/asoundlib.h snd_pcm_htimestamp -lasound
6096 require_pkg_config libjack jack jack/jack.h jack_port_get_latency_range
6098 enabled sndio && check_lib sndio sndio.h sio_open -lsndio
6100 if enabled libcdio; then
6101 check_pkg_config libcdio libcdio_paranoia "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open ||
6102 check_pkg_config libcdio libcdio_paranoia "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open ||
6103 check_lib libcdio "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
6104 check_lib libcdio "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
6105 die "ERROR: No usable libcdio/cdparanoia found"
6108 enabled libxcb && check_pkg_config libxcb "xcb >= 1.4" xcb/xcb.h xcb_connect ||
6109 disable libxcb_shm libxcb_shape libxcb_xfixes
6111 if enabled libxcb; then
6112 enabled libxcb_shm && check_pkg_config libxcb_shm xcb-shm xcb/shm.h xcb_shm_attach
6113 enabled libxcb_shape && check_pkg_config libxcb_shape xcb-shape xcb/shape.h xcb_shape_get_rectangles
6114 enabled libxcb_xfixes && check_pkg_config libxcb_xfixes xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image
6117 check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs"
6119 # d3d11va requires linking directly to dxgi and d3d11 if not building for
6120 # the desktop api partition
6121 check_cpp <<EOF && enable uwp && d3d11va_extralibs="-ldxgi -ld3d11"
6122 #ifdef WINAPI_FAMILY
6123 #include <winapifamily.h>
6124 #if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
6125 #error desktop, not uwp
6127 // WINAPI_FAMILY_APP, WINAPI_FAMILY_PHONE_APP => UWP
6130 #error no family set
6135 check_lib vaapi va/va.h vaInitialize -lva
6138 check_code cc "va/va.h" "vaCreateSurfaces(0, 0, 0, 0, 0, 0, 0, 0)" ||
6142 check_lib vaapi_drm "va/va.h va/va_drm.h" vaGetDisplayDRM -lva -lva-drm
6145 check_lib vaapi_x11 "va/va.h va/va_x11.h" vaGetDisplay -lva -lva-x11 -lX11
6148 check_cpp_condition "va/va.h" "VA_CHECK_VERSION(1, 0, 0)" &&
6151 if enabled_all opencl vaapi ; then
6152 check_type "CL/cl_intel.h" "clCreateImageFromFdINTEL_fn" &&
6153 enable opencl_vaapi_beignet
6154 if enabled libmfx ; then
6155 check_type "CL/cl.h CL/va_ext.h" "clCreateFromVA_APIMediaSurfaceINTEL_fn" &&
6156 enable opencl_vaapi_intel_media
6160 if enabled_all opencl dxva2 ; then
6161 check_type "CL/cl_dx9_media_sharing.h" cl_dx9_surface_info_khr &&
6165 if enabled_all opencl d3d11va ; then
6166 check_type "CL/cl_d3d11.h" clGetDeviceIDsFromD3D11KHR_fn &&
6170 if enabled_all opencl libdrm ; then
6171 check_func_headers "CL/cl_ext.h" clImportMemoryARM &&
6172 enable opencl_drm_arm
6176 check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
6180 check_lib vdpau_x11 "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau -lX11
6182 enabled crystalhd && check_lib crystalhd "stdint.h libcrystalhd/libcrystalhd_if.h" DtsCrystalHDVersion -lcrystalhd
6184 if enabled x86; then
6186 mingw32*|mingw64*|win32|win64|linux|cygwin*)
6189 disable cuda cuvid nvdec nvenc
6193 disable cuda cuvid nvdec nvenc
6197 check_cc -I$source_path <<EOF || disable nvenc
6198 #include "compat/nvenc/nvEncodeAPI.h"
6199 NV_ENCODE_API_FUNCTION_LIST flist;
6200 void f(void) { struct { const GUID guid; } s[] = { { NV_ENC_PRESET_HQ_GUID } }; }
6201 int main(void) { return 0; }
6205 check_cpp_condition "AMF/core/Version.h" \
6206 "(AMF_VERSION_MAJOR << 48 | AMF_VERSION_MINOR << 32 | AMF_VERSION_RELEASE << 16 | AMF_VERSION_BUILD_NUM) >= 0x0001000400040001" ||
6209 # Funny iconv installations are not unusual, so check it after all flags have been set
6210 if enabled libc_iconv; then
6211 check_func_headers iconv.h iconv
6212 elif enabled iconv; then
6213 check_func_headers iconv.h iconv || check_lib iconv iconv.h iconv -liconv
6216 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
6218 # add some useful compiler flags if supported
6219 check_cflags -Wdeclaration-after-statement
6221 check_cflags -Wdisabled-optimization
6222 check_cflags -Wpointer-arith
6223 check_cflags -Wredundant-decls
6224 check_cflags -Wwrite-strings
6225 check_cflags -Wtype-limits
6226 check_cflags -Wundef
6227 check_cflags -Wmissing-prototypes
6228 check_cflags -Wno-pointer-to-int-cast
6229 check_cflags -Wstrict-prototypes
6230 check_cflags -Wempty-body
6232 if enabled extra_warnings; then
6233 check_cflags -Wcast-qual
6234 check_cflags -Wextra
6235 check_cflags -Wpedantic
6238 check_disable_warning(){
6239 warning_flag=-W${1#-Wno-}
6240 test_cflags $unknown_warning_flags $warning_flag && add_cflags $1
6243 test_cflags -Werror=unused-command-line-argument &&
6244 append unknown_warning_flags "-Werror=unused-command-line-argument"
6245 test_cflags -Werror=unknown-warning-option &&
6246 append unknown_warning_flags "-Werror=unknown-warning-option"
6248 check_disable_warning -Wno-parentheses
6249 check_disable_warning -Wno-switch
6250 check_disable_warning -Wno-format-zero-length
6251 check_disable_warning -Wno-pointer-sign
6252 check_disable_warning -Wno-unused-const-variable
6253 check_disable_warning -Wno-bool-operation
6255 check_disable_warning_headers(){
6256 warning_flag=-W${1#-Wno-}
6257 test_cflags $warning_flag && add_cflags_headers $1
6260 check_disable_warning_headers -Wno-deprecated-declarations
6261 check_disable_warning_headers -Wno-unused-variable
6263 check_cc <<EOF && enable blocks_extension
6264 void (^block)(void);
6267 # add some linker flags
6268 check_ldflags -Wl,--warn-common
6269 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
6270 enabled rpath && add_ldexeflags -Wl,-rpath,$libdir && add_ldsoflags -Wl,-rpath,$libdir
6271 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
6273 # add some strip flags
6276 enabled neon_clobber_test &&
6277 check_ldflags -Wl,--wrap,avcodec_open2 \
6278 -Wl,--wrap,avcodec_decode_audio4 \
6279 -Wl,--wrap,avcodec_decode_video2 \
6280 -Wl,--wrap,avcodec_decode_subtitle2 \
6281 -Wl,--wrap,avcodec_encode_audio2 \
6282 -Wl,--wrap,avcodec_encode_video2 \
6283 -Wl,--wrap,avcodec_encode_subtitle \
6284 -Wl,--wrap,avcodec_send_packet \
6285 -Wl,--wrap,avcodec_receive_packet \
6286 -Wl,--wrap,avcodec_send_frame \
6287 -Wl,--wrap,avcodec_receive_frame \
6288 -Wl,--wrap,swr_convert \
6289 -Wl,--wrap,avresample_convert ||
6290 disable neon_clobber_test
6292 enabled xmm_clobber_test &&
6293 check_ldflags -Wl,--wrap,avcodec_open2 \
6294 -Wl,--wrap,avcodec_decode_audio4 \
6295 -Wl,--wrap,avcodec_decode_video2 \
6296 -Wl,--wrap,avcodec_decode_subtitle2 \
6297 -Wl,--wrap,avcodec_encode_audio2 \
6298 -Wl,--wrap,avcodec_encode_video2 \
6299 -Wl,--wrap,avcodec_encode_subtitle \
6300 -Wl,--wrap,avcodec_send_packet \
6301 -Wl,--wrap,avcodec_receive_packet \
6302 -Wl,--wrap,avcodec_send_frame \
6303 -Wl,--wrap,avcodec_receive_frame \
6304 -Wl,--wrap,swr_convert \
6305 -Wl,--wrap,avresample_convert \
6306 -Wl,--wrap,sws_scale ||
6307 disable xmm_clobber_test
6309 check_ld "cc" <<EOF && enable proper_dce
6310 extern const int array[512];
6311 static inline int func(void) { return array[0]; }
6312 int main(void) { return 0; }
6315 if enabled proper_dce; then
6316 echo "X { local: *; };" > $TMPV
6317 if test_ldflags -Wl,${version_script},$TMPV; then
6318 append SHFLAGS '-Wl,${version_script},\$(SUBDIR)lib\$(NAME).ver'
6320 check_cc <<EOF && enable symver_asm_label
6321 void ff_foo(void) __asm__ ("av_foo@VERSION");
6322 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
6324 check_cc <<EOF && enable symver_gnu_asm
6325 __asm__(".symver ff_foo,av_foo@VERSION");
6326 void ff_foo(void) {}
6331 if [ -z "$optflags" ]; then
6332 if enabled small; then
6333 optflags=$cflags_size
6334 elif enabled optimizations; then
6335 optflags=$cflags_speed
6337 optflags=$cflags_noopt
6341 if [ -z "$nvccflags" ]; then
6342 nvccflags=$nvccflags_default
6345 if enabled x86_64 || enabled ppc64 || enabled aarch64; then
6346 nvccflags="$nvccflags -m64"
6348 nvccflags="$nvccflags -m32"
6353 enabled lto && check_ldflags "$@"
6356 check_optflags $optflags
6357 check_optflags -fno-math-errno
6358 check_optflags -fno-signed-zeros
6360 if enabled lto; then
6361 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
6363 check_ldflags -flto $cpuflags
6364 disable inline_asm_direct_symbol_refs
6367 enabled ftrapv && check_cflags -ftrapv
6369 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
6374 if enabled icc; then
6375 # Just warnings, no remarks
6377 # -wd: Disable following warnings
6378 # 144, 167, 556: -Wno-pointer-sign
6379 # 188: enumerated type mixed with another type
6380 # 1292: attribute "foo" ignored
6381 # 1419: external declaration in primary source file
6382 # 10006: ignoring unknown option -fno-signed-zeros
6383 # 10148: ignoring unknown option -Wno-parentheses
6384 # 10156: ignoring option '-W'; no argument required
6385 # 13200: No EMMS instruction before call to function
6386 # 13203: No EMMS instruction before return from function
6387 check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156,13200,13203
6388 # 11030: Warning unknown option --as-needed
6389 # 10156: ignoring option '-export'; no argument required
6390 check_ldflags -wd10156,11030
6391 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
6392 enable ebp_available
6393 # The test above does not test linking
6394 enabled lto && disable symver_asm_label
6395 if enabled x86_32; then
6396 icc_version=$($cc -dumpversion)
6397 test ${icc_version%%.*} -ge 11 &&
6398 check_cflags -falign-stack=maintain-16-byte ||
6399 disable aligned_stack
6401 elif enabled gcc; then
6402 check_optflags -fno-tree-vectorize
6403 check_cflags -Werror=format-security
6404 check_cflags -Werror=implicit-function-declaration
6405 check_cflags -Werror=missing-prototypes
6406 check_cflags -Werror=return-type
6407 check_cflags -Werror=vla
6408 check_cflags -Wformat
6409 check_cflags -fdiagnostics-color=auto
6410 enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized
6411 elif enabled llvm_gcc; then
6412 check_cflags -mllvm -stack-alignment=16
6413 elif enabled clang; then
6414 check_cflags -mllvm -stack-alignment=16
6415 check_cflags -mstack-alignment=16
6416 check_cflags -Qunused-arguments
6417 check_cflags -Werror=implicit-function-declaration
6418 check_cflags -Werror=missing-prototypes
6419 check_cflags -Werror=return-type
6420 elif enabled cparser; then
6421 add_cflags -Wno-missing-variable-declarations
6422 add_cflags -Wno-empty-statement
6423 elif enabled armcc; then
6424 add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat
6425 add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir
6426 # 2523: use of inline assembly is deprecated
6427 add_cflags -W${armcc_opt},--diag_suppress=2523
6428 add_cflags -W${armcc_opt},--diag_suppress=1207
6429 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
6430 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
6431 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
6432 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
6433 elif enabled pathscale; then
6434 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
6436 elif enabled_any msvc icl; then
6437 enabled x86_32 && disable aligned_stack
6438 enabled_all x86_32 debug && add_cflags -Oy-
6439 enabled debug && add_ldflags -debug
6440 enable pragma_deprecated
6441 if enabled icl; then
6442 # -Qansi-alias is basically -fstrict-aliasing, but does not work
6443 # (correctly) on icl 13.x.
6444 check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&
6445 add_cflags -Qansi-alias
6446 # Some inline asm is not compilable in debug
6447 if enabled debug; then
6448 disable ebp_available
6449 disable ebx_available
6452 # msvcrt10 x64 incorrectly enables log2, only msvcrt12 (MSVC 2013) onwards actually has log2.
6453 check_cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION >= 12" || disable log2
6454 # The CRT headers contain __declspec(restrict) in a few places, but if redefining
6455 # restrict, this might break. MSVC 2010 and 2012 fail with __declspec(__restrict)
6456 # (as it ends up if the restrict redefine is done before including stdlib.h), while
6457 # MSVC 2013 and newer can handle it fine.
6458 # If this declspec fails, force including stdlib.h before the restrict redefinition
6459 # happens in config.h.
6460 if [ $_restrict != restrict ]; then
6461 check_cc <<EOF || add_cflags -FIstdlib.h
6462 __declspec($_restrict) void* foo(int);
6465 # the new SSA optimzer in VS2015 U3 is mis-optimizing some parts of the code
6466 # Issue has been fixed in MSVC v19.00.24218.
6467 check_cpp_condition windows.h "_MSC_FULL_VER >= 190024218" ||
6468 check_cflags -d2SSAOptimizer-
6469 # enable utf-8 source processing on VS2015 U2 and newer
6470 check_cpp_condition windows.h "_MSC_FULL_VER >= 190023918" &&
6474 for pfx in "" host_; do
6475 varname=${pfx%_}cc_type
6476 eval "type=\$$varname"
6477 if [ "$type" = "msvc" ]; then
6478 check_${pfx}cc <<EOF || add_${pfx}cflags -Dinline=__inline
6479 static inline int foo(int a) { return a; }
6486 add_asflags -Qunused-arguments
6492 check_ldflags -Qunused-arguments
6496 enable frame_thread_encoder
6498 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
6500 check_deps $CONFIG_LIST \
6505 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"
6508 if test $target_os = "haiku"; then
6510 disable posix_memalign
6513 flatten_extralibs(){
6514 unset nested_entries
6517 for entry in $list; do
6520 append nested_entries $(filter '*_extralibs' $entry_copy)
6521 flat_entries=$(filter_out '*_extralibs' $entry_copy)
6522 eval $entry="\$flat_entries"
6524 append $list_name "$nested_entries"
6526 resolve nested_entries
6527 if test -n "$(filter '*_extralibs' $nested_entries)"; then
6528 flatten_extralibs $list_name
6532 flatten_extralibs_wrapper(){
6534 flatten_extralibs $list_name
6537 eval $list_name=\$\(\$ldflags_filter \$$list_name\)
6538 eval printf \''%s'\' \""\$$list_name"\"
6541 for linkunit in $LIBRARY_LIST; do
6542 unset current_extralibs
6543 eval components=\$$(toupper ${linkunit})_COMPONENTS_LIST
6544 for comp in ${components}; do
6545 enabled $comp || continue
6546 comp_extralibs="${comp}_extralibs"
6547 append current_extralibs $comp_extralibs
6549 eval prepend ${linkunit}_extralibs $current_extralibs
6552 for linkunit in $LIBRARY_LIST $PROGRAM_LIST $EXTRALIBS_LIST; do
6553 eval ${linkunit}_extralibs=\$\(flatten_extralibs_wrapper ${linkunit}_extralibs\)
6556 map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST
6558 for thread in $THREADS_LIST; do
6559 if enabled $thread; then
6560 test -n "$thread_type" &&
6561 die "ERROR: Only one thread type must be selected." ||
6562 thread_type="$thread"
6566 if disabled stdatomic; then
6567 if enabled atomics_gcc; then
6568 add_cppflags '-I\$(SRC_PATH)/compat/atomics/gcc'
6569 elif enabled atomics_win32; then
6570 add_cppflags '-I\$(SRC_PATH)/compat/atomics/win32'
6571 elif enabled atomics_suncc; then
6572 add_cppflags '-I\$(SRC_PATH)/compat/atomics/suncc'
6573 elif enabled pthreads; then
6574 add_compat atomics/pthread/stdatomic.o
6575 add_cppflags '-I\$(SRC_PATH)/compat/atomics/pthread'
6577 enabled threads && die "Threading is enabled, but no atomics are available"
6578 add_cppflags '-I\$(SRC_PATH)/compat/atomics/dummy'
6582 # Check if requested libraries were found.
6583 for lib in $AUTODETECT_LIBS; do
6584 requested $lib && ! enabled $lib && die "ERROR: $lib requested but not found";
6587 enabled zlib && add_cppflags -DZLIB_CONST
6589 # conditional library dependencies, in linking order
6590 enabled afftfilt_filter && prepend avfilter_deps "avcodec"
6591 enabled afir_filter && prepend avfilter_deps "avcodec"
6592 enabled amovie_filter && prepend avfilter_deps "avformat avcodec"
6593 enabled aresample_filter && prepend avfilter_deps "swresample"
6594 enabled atempo_filter && prepend avfilter_deps "avcodec"
6595 enabled cover_rect_filter && prepend avfilter_deps "avformat avcodec"
6596 enabled ebur128_filter && enabled swresample && prepend avfilter_deps "swresample"
6597 enabled elbg_filter && prepend avfilter_deps "avcodec"
6598 enabled fftfilt_filter && prepend avfilter_deps "avcodec"
6599 enabled find_rect_filter && prepend avfilter_deps "avformat avcodec"
6600 enabled firequalizer_filter && prepend avfilter_deps "avcodec"
6601 enabled mcdeint_filter && prepend avfilter_deps "avcodec"
6602 enabled movie_filter && prepend avfilter_deps "avformat avcodec"
6603 enabled pan_filter && prepend avfilter_deps "swresample"
6604 enabled pp_filter && prepend avfilter_deps "postproc"
6605 enabled removelogo_filter && prepend avfilter_deps "avformat avcodec swscale"
6606 enabled resample_filter && prepend avfilter_deps "avresample"
6607 enabled sab_filter && prepend avfilter_deps "swscale"
6608 enabled scale_filter && prepend avfilter_deps "swscale"
6609 enabled scale2ref_filter && prepend avfilter_deps "swscale"
6610 enabled sofalizer_filter && prepend avfilter_deps "avcodec"
6611 enabled showcqt_filter && prepend avfilter_deps "avformat avcodec swscale"
6612 enabled showfreqs_filter && prepend avfilter_deps "avcodec"
6613 enabled showspectrum_filter && prepend avfilter_deps "avcodec"
6614 enabled signature_filter && prepend avfilter_deps "avcodec avformat"
6615 enabled smartblur_filter && prepend avfilter_deps "swscale"
6616 enabled spectrumsynth_filter && prepend avfilter_deps "avcodec"
6617 enabled spp_filter && prepend avfilter_deps "avcodec"
6618 enabled subtitles_filter && prepend avfilter_deps "avformat avcodec"
6619 enabled uspp_filter && prepend avfilter_deps "avcodec"
6620 enabled zoompan_filter && prepend avfilter_deps "swscale"
6622 enabled lavfi_indev && prepend avdevice_deps "avfilter"
6625 enabled sdl2_outdev && add_cflags $(filter_out '-Dmain=SDL_main' $sdl2_cflags)
6627 enabled opus_decoder && prepend avcodec_deps "swresample"
6631 eval "deps=\$$lib_deps"
6632 append $lib_deps $(map 'eval echo \$${v}_deps' $deps)
6636 #we have to remove gpl from the deps here as some code assumes all lib deps are libs
6637 postproc_deps="$(filter_out 'gpl' $postproc_deps)"
6639 map 'expand_deps $v' $LIBRARY_LIST
6641 license="LGPL version 2.1 or later"
6642 if enabled nonfree; then
6643 license="nonfree and unredistributable"
6644 elif enabled gplv3; then
6645 license="GPL version 3 or later"
6646 elif enabled lgplv3; then
6647 license="LGPL version 3 or later"
6648 elif enabled gpl; then
6649 license="GPL version 2 or later"
6652 if test "$quiet" != "yes"; then
6654 echo "install prefix $prefix"
6655 echo "source path $source_path"
6656 echo "C compiler $cc"
6657 echo "C library $libc_type"
6658 if test "$host_cc" != "$cc"; then
6659 echo "host C compiler $host_cc"
6660 echo "host C library $host_libc_type"
6662 echo "ARCH $arch ($cpu)"
6663 if test "$build_suffix" != ""; then
6664 echo "build suffix $build_suffix"
6666 if test "$progs_suffix" != ""; then
6667 echo "progs suffix $progs_suffix"
6669 if test "$extra_version" != ""; then
6670 echo "version string suffix $extra_version"
6672 echo "big-endian ${bigendian-no}"
6673 echo "runtime cpu detection ${runtime_cpudetect-no}"
6674 if enabled x86; then
6675 echo "standalone assembly ${x86asm-no}"
6676 echo "x86 assembler ${x86asmexe}"
6677 echo "MMX enabled ${mmx-no}"
6678 echo "MMXEXT enabled ${mmxext-no}"
6679 echo "3DNow! enabled ${amd3dnow-no}"
6680 echo "3DNow! extended enabled ${amd3dnowext-no}"
6681 echo "SSE enabled ${sse-no}"
6682 echo "SSSE3 enabled ${ssse3-no}"
6683 echo "AESNI enabled ${aesni-no}"
6684 echo "AVX enabled ${avx-no}"
6685 echo "AVX2 enabled ${avx2-no}"
6686 echo "XOP enabled ${xop-no}"
6687 echo "FMA3 enabled ${fma3-no}"
6688 echo "FMA4 enabled ${fma4-no}"
6689 echo "i686 features enabled ${i686-no}"
6690 echo "CMOV is fast ${fast_cmov-no}"
6691 echo "EBX available ${ebx_available-no}"
6692 echo "EBP available ${ebp_available-no}"
6694 if enabled aarch64; then
6695 echo "NEON enabled ${neon-no}"
6696 echo "VFP enabled ${vfp-no}"
6698 if enabled arm; then
6699 echo "ARMv5TE enabled ${armv5te-no}"
6700 echo "ARMv6 enabled ${armv6-no}"
6701 echo "ARMv6T2 enabled ${armv6t2-no}"
6702 echo "VFP enabled ${vfp-no}"
6703 echo "NEON enabled ${neon-no}"
6704 echo "THUMB enabled ${thumb-no}"
6706 if enabled mips; then
6707 echo "MIPS FPU enabled ${mipsfpu-no}"
6708 echo "MIPS DSP R1 enabled ${mipsdsp-no}"
6709 echo "MIPS DSP R2 enabled ${mipsdspr2-no}"
6710 echo "MIPS MSA enabled ${msa-no}"
6711 echo "LOONGSON MMI enabled ${mmi-no}"
6713 if enabled ppc; then
6714 echo "AltiVec enabled ${altivec-no}"
6715 echo "VSX enabled ${vsx-no}"
6716 echo "POWER8 enabled ${power8-no}"
6717 echo "PPC 4xx optimizations ${ppc4xx-no}"
6718 echo "dcbzl available ${dcbzl-no}"
6720 echo "debug symbols ${debug-no}"
6721 echo "strip symbols ${stripping-no}"
6722 echo "optimize for size ${small-no}"
6723 echo "optimizations ${optimizations-no}"
6724 echo "static ${static-no}"
6725 echo "shared ${shared-no}"
6726 echo "postprocessing support ${postproc-no}"
6727 echo "network support ${network-no}"
6728 echo "threading support ${thread_type-no}"
6729 echo "safe bitstream reader ${safe_bitstream_reader-no}"
6730 echo "texi2html enabled ${texi2html-no}"
6731 echo "perl enabled ${perl-no}"
6732 echo "pod2man enabled ${pod2man-no}"
6733 echo "makeinfo enabled ${makeinfo-no}"
6734 echo "makeinfo supports HTML ${makeinfo_html-no}"
6735 test -n "$random_seed" &&
6736 echo "random seed ${random_seed}"
6739 echo "External libraries:"
6740 print_enabled '' $EXTERNAL_LIBRARY_LIST $EXTERNAL_AUTODETECT_LIBRARY_LIST | print_in_columns
6743 echo "External libraries providing hardware acceleration:"
6744 print_enabled '' $HWACCEL_LIBRARY_LIST $HWACCEL_AUTODETECT_LIBRARY_LIST | print_in_columns
6748 print_enabled '' $LIBRARY_LIST | print_in_columns
6752 print_enabled '' $PROGRAM_LIST | print_in_columns
6755 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
6756 echo "Enabled ${type}s:"
6757 eval list=\$$(toupper $type)_LIST
6758 print_enabled '_*' $list | print_in_columns
6762 if test -n "$ignore_tests"; then
6763 ignore_tests=$(echo $ignore_tests | tr ',' ' ')
6764 echo "Ignored FATE tests:"
6765 echo $ignore_tests | print_in_columns
6769 echo "License: $license"
6771 fi # test "$quiet" != "yes"
6773 if test -n "$WARNINGS"; then
6774 printf "\n%s%s$WARNINGS%s" "$warn_color" "$bold_color" "$reset_color"
6775 enabled fatal_warnings && exit 1
6778 test -e Makefile || echo "include $source_path/Makefile" > Makefile
6781 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
6784 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" > ffbuild/config.fate
6786 enabled stripping || strip="echo skipping strip"
6787 enabled stripping || striptype=""
6789 config_files="$TMPH ffbuild/config.mak doc/config.texi"
6791 cat > ffbuild/config.mak <<EOF
6792 # Automatically generated by configure - do not modify!
6793 ifndef FFMPEG_CONFIG_MAK
6795 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
6797 LIBDIR=\$(DESTDIR)$libdir
6798 SHLIBDIR=\$(DESTDIR)$shlibdir
6799 INCDIR=\$(DESTDIR)$incdir
6800 BINDIR=\$(DESTDIR)$bindir
6801 DATADIR=\$(DESTDIR)$datadir
6802 DOCDIR=\$(DESTDIR)$docdir
6803 MANDIR=\$(DESTDIR)$mandir
6804 PKGCONFIGDIR=\$(DESTDIR)$pkgconfigdir
6805 INSTALL_NAME_DIR=$install_name_dir
6806 SRC_PATH=$source_path
6807 SRC_LINK=$source_link
6808 ifndef MAIN_MAKEFILE
6809 SRC_PATH:=\$(SRC_PATH:.%=..%)
6813 INTRINSICS=$intrinsics
6814 EXTERN_PREFIX=$extern_prefix
6821 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
6823 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
6825 DEPX86ASM=$x86asmexe
6826 DEPX86ASMFLAGS=\$(X86ASMFLAGS)
6834 STRIPTYPE=$striptype
6841 OBJCFLAGS=$OBJCFLAGS
6843 NVCCFLAGS=$nvccflags
6864 LDEXEFLAGS=$LDEXEFLAGS
6865 LDSOFLAGS=$LDSOFLAGS
6866 SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
6867 ASMSTRIPFLAGS=$ASMSTRIPFLAGS
6868 X86ASMFLAGS=$X86ASMFLAGS
6869 BUILDSUF=$build_suffix
6870 PROGSSUF=$progs_suffix
6878 EXTRA_VERSION=$extra_version
6881 CCDEP_FLAGS=$CCDEP_FLAGS
6883 ASDEP_FLAGS=$ASDEP_FLAGS
6884 X86ASMDEP=$X86ASMDEP
6885 X86ASMDEP_FLAGS=$X86ASMDEP_FLAGS
6886 CC_DEPFLAGS=$CC_DEPFLAGS
6887 AS_DEPFLAGS=$AS_DEPFLAGS
6888 X86ASM_DEPFLAGS=$X86ASM_DEPFLAGS
6891 HOSTCFLAGS=$host_cflags
6892 HOSTCPPFLAGS=$host_cppflags
6893 HOSTEXESUF=$HOSTEXESUF
6894 HOSTLDFLAGS=$host_ldflags
6895 HOSTEXTRALIBS=$host_extralibs
6897 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
6898 HOSTCCDEP=$HOSTCCDEP
6899 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
6900 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
6904 TARGET_EXEC=$target_exec $target_exec_args
6905 TARGET_PATH=$target_path
6906 TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}
6907 CFLAGS-ffplay=${sdl2_cflags}
6908 CFLAGS_HEADERS=$CFLAGS_HEADERS
6909 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
6910 EXTRALIBS=$extralibs
6911 COMPAT_OBJS=$compat_objs
6913 SLIBNAME=${SLIBNAME}
6914 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
6915 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
6916 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
6917 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
6918 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
6919 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
6920 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
6921 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
6922 VERSION_SCRIPT_POSTPROCESS_CMD=${VERSION_SCRIPT_POSTPROCESS_CMD}
6923 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
6924 NOREDZONE_FLAGS=$noredzone_flags
6925 LIBFUZZER_PATH=$libfuzzer_path
6926 IGNORE_TESTS=$ignore_tests
6929 map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> ffbuild/config.mak' $LIBRARY_LIST
6931 for entry in $LIBRARY_LIST $PROGRAM_LIST $EXTRALIBS_LIST; do
6932 eval echo "EXTRALIBS-${entry}=\$${entry}_extralibs" >> ffbuild/config.mak
6936 /* Automatically generated by configure - do not modify! */
6937 #ifndef FFMPEG_CONFIG_H
6938 #define FFMPEG_CONFIG_H
6939 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
6940 #define FFMPEG_LICENSE "$(c_escape $license)"
6941 #define CONFIG_THIS_YEAR 2017
6942 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
6943 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
6944 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
6945 #define av_restrict $_restrict
6946 #define EXTERN_PREFIX "${extern_prefix}"
6947 #define EXTERN_ASM ${extern_prefix}
6948 #define BUILDSUF "$build_suffix"
6949 #define SLIBSUF "$SLIBSUF"
6950 #define HAVE_MMX2 HAVE_MMXEXT
6951 #define SWS_MAX_FILTER_SIZE $sws_max_filter_size
6954 test -n "$assert_level" &&
6955 echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
6957 test -n "$malloc_prefix" &&
6958 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
6960 if enabled x86asm; then
6961 append config_files $TMPASM
6963 ; Automatically generated by configure - do not modify!
6967 enabled getenv || echo "#define getenv(x) NULL" >> $TMPH
6973 echo "@c auto-generated by configure - do not modify! " > doc/config.texi
6975 print_config ARCH_ "$config_files" $ARCH_LIST
6976 print_config HAVE_ "$config_files" $HAVE_LIST
6977 print_config CONFIG_ "$config_files" $CONFIG_LIST \
6981 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
6982 echo "endif # FFMPEG_CONFIG_MAK" >> ffbuild/config.mak
6984 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
6985 cp_if_changed $TMPH config.h
6986 touch ffbuild/.config
6988 enabled x86asm && cp_if_changed $TMPASM config.asm
6991 /* Generated by ffmpeg configure */
6992 #ifndef AVUTIL_AVCONFIG_H
6993 #define AVUTIL_AVCONFIG_H
6996 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
6998 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
7000 cp_if_changed $TMPH libavutil/avconfig.h
7002 # generate the lists of enabled components
7003 print_enabled_components(){
7008 echo "static const $struct_name * const $name[] = {" > $TMPH
7010 enabled $c && printf " &ff_%s,\n" $c >> $TMPH
7012 echo " NULL };" >> $TMPH
7013 cp_if_changed $TMPH $file
7016 print_enabled_components libavcodec/bsf_list.c AVBitStreamFilter bitstream_filters $BSF_LIST
7017 print_enabled_components libavformat/protocol_list.c URLProtocol url_protocols $PROTOCOL_LIST
7019 # Settings for pkg-config files
7022 # Automatically generated by configure - do not modify!
7024 build_suffix=$build_suffix
7028 rpath=$(enabled rpath && echo "-Wl,-rpath,\${libdir}")
7029 source_path=${source_path}
7032 extralibs_avutil="$avutil_extralibs"
7033 extralibs_avcodec="$avcodec_extralibs"
7034 extralibs_avformat="$avformat_extralibs"
7035 extralibs_avdevice="$avdevice_extralibs"
7036 extralibs_avfilter="$avfilter_extralibs"
7037 extralibs_avresample="$avresample_extralibs"
7038 extralibs_postproc="$postproc_extralibs"
7039 extralibs_swscale="$swscale_extralibs"
7040 extralibs_swresample="$swresample_extralibs"
7043 for lib in $LIBRARY_LIST; do
7044 lib_deps="$(eval echo \$${lib}_deps)"
7045 echo ${lib}_deps=\"$lib_deps\" >> $TMPH
7048 cp_if_changed $TMPH ffbuild/config.sh