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 --disable-lzma disable lzma [autodetect]
287 --enable-decklink enable Blackmagic DeckLink I/O support [no]
288 --enable-libndi_newtek enable Newteck NDI I/O support [no]
289 --enable-mediacodec enable Android MediaCodec support [no]
290 --enable-libmysofa enable libmysofa, needed for sofalizer filter [no]
291 --enable-openal enable OpenAL 1.1 capture support [no]
292 --enable-opencl enable OpenCL code
293 --enable-opengl enable OpenGL rendering [no]
294 --enable-openssl enable openssl, needed for https support
295 if gnutls is not used [no]
296 --disable-sndio disable sndio support [autodetect]
297 --disable-schannel disable SChannel SSP, needed for TLS support on
298 Windows if openssl and gnutls are not used [autodetect]
299 --disable-sdl2 disable sdl2 [autodetect]
300 --disable-securetransport disable Secure Transport, needed for TLS support
301 on OSX if openssl and gnutls are not used [autodetect]
302 --disable-xlib disable xlib [autodetect]
303 --disable-zlib disable zlib [autodetect]
305 The following libraries provide various hardware acceleration features:
306 --disable-audiotoolbox disable Apple AudioToolbox code [autodetect]
307 --disable-cuda disable dynamically linked Nvidia CUDA code [autodetect]
308 --enable-cuda-sdk enable CUDA features that require the CUDA SDK [no]
309 --disable-cuvid disable Nvidia CUVID support [autodetect]
310 --disable-d3d11va disable Microsoft Direct3D 11 video acceleration code [autodetect]
311 --disable-dxva2 disable Microsoft DirectX 9 video acceleration code [autodetect]
312 --enable-libdrm enable DRM code (Linux) [no]
313 --enable-libmfx enable Intel MediaSDK (AKA Quick Sync Video) code via libmfx [no]
314 --enable-libnpp enable Nvidia Performance Primitives-based code [no]
315 --enable-mmal enable Broadcom Multi-Media Abstraction Layer (Raspberry Pi) via MMAL [no]
316 --disable-nvenc disable Nvidia video encoding code [autodetect]
317 --enable-omx enable OpenMAX IL code [no]
318 --enable-omx-rpi enable OpenMAX IL code for Raspberry Pi [no]
319 --enable-rkmpp enable Rockchip Media Process Platform code [no]
320 --disable-vaapi disable Video Acceleration API (mainly Unix/Intel) code [autodetect]
321 --disable-vdpau disable Nvidia Video Decode and Presentation API for Unix code [autodetect]
322 --disable-videotoolbox disable VideoToolbox code [autodetect]
325 --arch=ARCH select architecture [$arch]
326 --cpu=CPU select the minimum required CPU (affects
327 instruction selection, may crash on older CPUs)
328 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
329 --progs-suffix=SUFFIX program name suffix []
330 --enable-cross-compile assume a cross-compiler is used
331 --sysroot=PATH root of cross-build tree
332 --sysinclude=PATH location of cross-build system headers
333 --target-os=OS compiler targets OS [$target_os]
334 --target-exec=CMD command to run executables on target
335 --target-path=DIR path to view of build directory on target
336 --target-samples=DIR path to samples directory on target
337 --tempprefix=PATH force fixed dir/prefix instead of mktemp for checks
338 --toolchain=NAME set tool defaults according to NAME
339 --nm=NM use nm tool NM [$nm_default]
340 --ar=AR use archive tool AR [$ar_default]
341 --as=AS use assembler AS [$as_default]
342 --ln_s=LN_S use symbolic link tool LN_S [$ln_s_default]
343 --strip=STRIP use strip tool STRIP [$strip_default]
344 --windres=WINDRES use windows resource compiler WINDRES [$windres_default]
345 --x86asmexe=EXE use nasm-compatible assembler EXE [$x86asmexe_default]
346 --cc=CC use C compiler CC [$cc_default]
347 --cxx=CXX use C compiler CXX [$cxx_default]
348 --objcc=OCC use ObjC compiler OCC [$cc_default]
349 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
350 --nvcc=NVCC use Nvidia CUDA compiler NVCC [$nvcc_default]
351 --ld=LD use linker LD [$ld_default]
352 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
353 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
354 --ranlib=RANLIB use ranlib RANLIB [$ranlib_default]
355 --doxygen=DOXYGEN use DOXYGEN to generate API doc [$doxygen_default]
356 --host-cc=HOSTCC use host C compiler HOSTCC
357 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
358 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
359 --host-ld=HOSTLD use host linker HOSTLD
360 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
361 --host-libs=HLIBS use libs HLIBS when linking for host
362 --host-os=OS compiler host OS [$target_os]
363 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
364 --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
365 --extra-objcflags=FLAGS add FLAGS to OBJCFLAGS [$CFLAGS]
366 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
367 --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
368 --extra-ldlibflags=ELDFLAGS add ELDFLAGS to LDLIBFLAGS [$LDLIBFLAGS]
369 --extra-libs=ELIBS add ELIBS [$ELIBS]
370 --extra-version=STRING version string suffix []
371 --optflags=OPTFLAGS override optimization-related compiler flags
372 --nvccflags=NVCCFLAGS override nvcc flags [$nvccflags_default]
373 --build-suffix=SUFFIX library name suffix []
374 --enable-pic build position-independent code
375 --enable-thumb compile for Thumb instruction set
376 --enable-lto use link-time optimization
377 --env="ENV=override" override the environment variables
379 Advanced options (experts only):
380 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
381 --custom-allocator=NAME use a supported custom allocator
382 --disable-symver disable symbol versioning
383 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
384 --disable-safe-bitstream-reader
385 disable buffer boundary checking in bitreaders
386 (faster, but may crash)
387 --sws-max-filter-size=N the max filter size swscale uses [$sws_max_filter_size_default]
389 Optimization options (experts only):
390 --disable-asm disable all assembly optimizations
391 --disable-altivec disable AltiVec optimizations
392 --disable-vsx disable VSX optimizations
393 --disable-power8 disable POWER8 optimizations
394 --disable-amd3dnow disable 3DNow! optimizations
395 --disable-amd3dnowext disable 3DNow! extended optimizations
396 --disable-mmx disable MMX optimizations
397 --disable-mmxext disable MMXEXT optimizations
398 --disable-sse disable SSE optimizations
399 --disable-sse2 disable SSE2 optimizations
400 --disable-sse3 disable SSE3 optimizations
401 --disable-ssse3 disable SSSE3 optimizations
402 --disable-sse4 disable SSE4 optimizations
403 --disable-sse42 disable SSE4.2 optimizations
404 --disable-avx disable AVX optimizations
405 --disable-xop disable XOP optimizations
406 --disable-fma3 disable FMA3 optimizations
407 --disable-fma4 disable FMA4 optimizations
408 --disable-avx2 disable AVX2 optimizations
409 --disable-aesni disable AESNI optimizations
410 --disable-armv5te disable armv5te optimizations
411 --disable-armv6 disable armv6 optimizations
412 --disable-armv6t2 disable armv6t2 optimizations
413 --disable-vfp disable VFP optimizations
414 --disable-neon disable NEON optimizations
415 --disable-inline-asm disable use of inline assembly
416 --disable-x86asm disable use of standalone x86 assembly
417 --disable-mipsdsp disable MIPS DSP ASE R1 optimizations
418 --disable-mipsdspr2 disable MIPS DSP ASE R2 optimizations
419 --disable-msa disable MSA optimizations
420 --disable-mipsfpu disable floating point MIPS optimizations
421 --disable-mmi disable Loongson SIMD optimizations
422 --disable-fast-unaligned consider unaligned accesses slow
424 Developer options (useful when working on FFmpeg itself):
425 --disable-debug disable debugging symbols
426 --enable-debug=LEVEL set the debug level [$debuglevel]
427 --disable-optimizations disable compiler optimizations
428 --enable-extra-warnings enable more compiler warnings
429 --disable-stripping disable stripping of executables and shared libraries
430 --assert-level=level 0(default), 1 or 2, amount of assertion testing,
431 2 causes a slowdown at runtime.
432 --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
433 --valgrind=VALGRIND run "make fate" tests through valgrind to detect memory
434 leaks and errors, using the specified valgrind binary.
435 Cannot be combined with --target-exec
436 --enable-ftrapv Trap arithmetic overflows
437 --samples=PATH location of test samples for FATE, if not set use
438 \$FATE_SAMPLES at make invocation time.
439 --enable-neon-clobber-test check NEON registers for clobbering (should be
440 used only for debugging purposes)
441 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
442 should be used only for debugging purposes)
443 --enable-random randomly enable/disable components
445 --enable-random=LIST randomly enable/disable specific components or
446 --disable-random=LIST component groups. LIST is a comma-separated list
447 of NAME[:PROB] entries where NAME is a component
448 (group) and PROB the probability associated with
450 --random-seed=VALUE seed value for --enable/disable-random
451 --disable-valgrind-backtrace do not print a backtrace under Valgrind
452 (only applies to --disable-optimizations builds)
453 --enable-osfuzz Enable building fuzzer tool
454 --libfuzzer=PATH path to libfuzzer
455 --ignore-tests=TESTS comma-separated list (without "fate-" prefix
456 in the name) of tests whose result is ignored
457 --enable-linux-perf enable Linux Performance Monitor API
459 NOTE: Object files are built at the place where configure is launched.
465 if test -t 1 && which tput >/dev/null 2>&1; then
466 ncolors=$(tput colors)
467 if test -n "$ncolors" && test $ncolors -ge 8; then
468 bold_color=$(tput bold)
469 warn_color=$(tput setaf 3)
470 error_color=$(tput setaf 1)
471 reset_color=$(tput sgr0)
473 # 72 used instead of 80 since that's the default of pr
479 echo "$@" >> $logfile
484 pr -n -t $1 >> $logfile
490 WARNINGS="${WARNINGS}WARNING: $*\n"
495 echo "$error_color$bold_color$@$reset_color"
498 If you think configure made a mistake, make sure you are using the latest
499 version from Git. If the latest version fails, report the problem to the
500 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
502 if disabled logging; then
504 Rerun configure with logging enabled (do not use --disable-logging), and
505 include the log this produces with your report.
509 Include the log file "$logfile" produced by configure as this will help
516 # Avoid locale weirdness, besides we really just want to translate ASCII.
518 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
522 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
526 echo "$*" | sed 's/["\\]/\\\0/g'
530 v=$(echo "$1" | sed "s/'/'\\\\''/g")
531 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
536 echo "$@" | sed 's/^ *//;s/[[:space:]][[:space:]]*/ /g;s/ *$//'
543 eval "case '$v' in $pat) printf '%s ' '$v' ;; esac"
551 eval "case '$v' in $pat) ;; *) printf '%s ' '$v' ;; esac"
558 for v; do eval $m; done
564 for v; do echo ${v}${suffix}; done
579 eval : \${$var:=$value}
584 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
590 eval $(sanitize_var_name "$var")='$*'
594 eval echo \$$(sanitize_var_name "$1")
599 eval level=\${${pvar}_level:=0}
600 eval ${pvar}_${level}="\$$pvar"
601 eval ${pvar}_level=$(($level+1))
607 eval level=\${${pvar}_level:-0}
608 test $level = 0 && continue
609 eval level=$(($level-1))
610 eval $pvar="\${${pvar}_${level}}"
611 eval ${pvar}_level=$level
612 eval unset ${pvar}_${level}
618 eval ${var}_requested=yes
641 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
647 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
653 enabled $var && continue
654 eval sel="\$${var}_select"
655 eval sgs="\$${var}_suggest"
659 enable_deep_weak $sgs
671 disabled $var && continue
680 test "${1#!}" = "$1" && op='=' || op=!=
681 eval test "x\$${1#!}_requested" $op "xyes"
685 test "${1#!}" = "$1" && op='=' || op=!=
686 eval test "x\$${1#!}" $op "xyes"
690 test "${1#!}" = "$1" && op='=' || op=!=
691 eval test "x\$${1#!}" $op "xno"
696 enabled $opt || return 1
702 disabled $opt || return 1
708 enabled $opt && return 0
714 disabled $opt && return 0
721 eval : \${$opt:=\$${opt}_default}
729 [ $var = $value ] && return 0
736 enabled ${cfg}_checking && die "Circular dependency for $cfg."
737 disabled ${cfg}_checking && continue
738 enable ${cfg}_checking
740 eval dep_all="\$${cfg}_deps"
741 eval dep_any="\$${cfg}_deps_any"
742 eval dep_con="\$${cfg}_conflict"
743 eval dep_sel="\$${cfg}_select"
744 eval dep_sgs="\$${cfg}_suggest"
745 eval dep_ifa="\$${cfg}_if"
746 eval dep_ifn="\$${cfg}_if_any"
748 pushvar cfg dep_all dep_any dep_con dep_sel dep_sgs dep_ifa dep_ifn
749 check_deps $dep_all $dep_any $dep_con $dep_sel $dep_sgs $dep_ifa $dep_ifn
750 popvar cfg dep_all dep_any dep_con dep_sel dep_sgs dep_ifa dep_ifn
752 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
753 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
754 enabled_all $dep_all || { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but not all dependencies are satisfied: $dep_all"; }
755 enabled_any $dep_any || { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but not any dependency is satisfied: $dep_any"; }
756 disabled_all $dep_con || { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but some conflicting dependencies are unsatisfied: $dep_con"; }
757 disabled_any $dep_sel && { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but some selected dependency is unsatisfied: $dep_sel"; }
759 enabled $cfg && enable_deep_weak $dep_sel $dep_sgs
761 for dep in $dep_all $dep_any $dep_sel $dep_sgs; do
762 # filter out library deps, these do not belong in extralibs
763 is_in $dep $LIBRARY_LIST && continue
764 enabled $dep && eval append ${cfg}_extralibs ${dep}_extralibs
767 disable ${cfg}_checking
775 map 'eval echo "$v \${$v:-no}"' "$@" |
776 awk "BEGIN { split(\"$files\", files) }
778 c = \"$pfx\" toupper(\$1);
784 if (file ~ /\\.h\$/) {
785 printf(\"#define %s %d\\n\", c, v) >>file;
786 } else if (file ~ /\\.asm\$/) {
787 printf(\"%%define %s %d\\n\", c, v) >>file;
788 } else if (file ~ /\\.mak\$/) {
789 n = -v ? \"\" : \"!\";
790 printf(\"%s%s=yes\\n\", n, c) >>file;
791 } else if (file ~ /\\.texi\$/) {
792 pre = -v ? \"\" : \"@c \";
795 gsub(/_/, \"-\", c2);
796 printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
806 enabled $v && printf "%s\n" ${v%$suf}
813 eval "$var=\"\$$var $*\""
819 eval "$var=\"$* \$$var\""
825 for tok in $(eval echo \$$var); do
826 uniq_list="$(filter_out $tok $uniq_list) $tok"
828 eval "$var=\"${uniq_list}\""
834 for entry in $(eval echo \$$var); do
835 tmpvar="$tmpvar $(eval echo \$${entry})"
837 eval "$var=\"${tmpvar}\""
845 append CFLAGS $($cflags_filter "$@")
848 add_cflags_headers(){
849 append CFLAGS_HEADERS $($cflags_filter "$@")
853 append CXXFLAGS $($cflags_filter "$@")
857 append ASFLAGS $($asflags_filter "$@")
861 append OBJCFLAGS $($objcflags_filter "$@")
865 append LDFLAGS $($ldflags_filter "$@")
869 append LDEXEFLAGS $($ldflags_filter "$@")
873 append LDLIBFLAGS $($ldflags_filter "$@")
877 append ASMSTRIPFLAGS "$@"
881 prepend extralibs $($ldflags_filter "$@")
885 append host_cppflags "$@"
889 append host_cflags $($host_cflags_filter "$@")
893 append host_ldflags $($host_ldflags_filter "$@")
897 append compat_objs $1
899 map 'add_cppflags -D$v' "$@"
904 "$@" >> $logfile 2>&1
909 stat "$1" >> $logfile 2>&1
913 eval printf '%s\\n' $CC_O
917 eval printf '%s\\n' $CC_E
924 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
931 check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
938 check_cmd $objcc -Werror=missing-prototypes $CPPFLAGS $CFLAGS $OBJCFLAGS "$@" $OBJCC_C $(cc_o $TMPO) $TMPM
945 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
949 eval printf '%s\\n' $AS_O
956 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
960 log check_inline_asm "$@"
965 check_cc "$@" <<EOF && enable $name
966 void foo(void){ __asm__ volatile($code); }
970 check_inline_asm_flags(){
971 log check_inline_asm_flags "$@"
976 while [ "$1" != "" ]; do
982 void foo(void){ __asm__ volatile($code); }
985 check_cmd $cc $CPPFLAGS $CFLAGS $flags "$@" $CC_C $(cc_o $TMPO) $TMPC &&
986 enable $name && add_cflags $flags && add_asflags $flags && add_ldflags $flags
991 check_inline_asm ${1}_inline "\"$2\""
992 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
996 log check_x86asm "$@"
1000 check_cmd $x86asmexe $X86ASMFLAGS -Werror "$@" -o $TMPO $TMPS
1004 eval printf '%s\\n' $LD_O
1011 flags=$(filter_out '-l*|*.so' $@)
1012 libs=$(filter '-l*|*.so' $@)
1013 check_$type $($cflags_filter $flags) || return
1014 flags=$($ldflags_filter $flags)
1015 libs=$($ldflags_filter $libs)
1016 check_cmd $ld $LDFLAGS $LDEXEFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
1021 test "${hdr%.h}" = "${hdr}" &&
1022 echo "#include $hdr" ||
1023 echo "#include <$hdr>"
1033 for hdr in $headers; do
1036 echo "int main(void) { $code; return 0; }"
1037 } | check_$check "$@"
1041 log check_cppflags "$@"
1042 check_cpp "$@" <<EOF && append CPPFLAGS "$@"
1048 log test_cflags "$@"
1049 set -- $($cflags_filter "$@")
1056 log check_cflags "$@"
1057 test_cflags "$@" && add_cflags "$@"
1061 log check_cxxflags "$@"
1062 set -- $($cflags_filter "$@")
1063 check_cxx "$@" <<EOF && append CXXFLAGS "$@"
1069 log test_objcflags "$@"
1070 set -- $($objcflags_filter "$@")
1071 check_objcc "$@" <<EOF
1077 log check_objcflags "$@"
1078 test_objcflags "$@" && add_objcflags "$@"
1082 log test_ldflags "$@"
1083 check_ld "cc" "$@" <<EOF
1084 int main(void){ return 0; }
1089 log check_ldflags "$@"
1090 test_ldflags "$@" && add_ldflags "$@"
1094 log test_stripflags "$@"
1095 # call check_cc to get a fresh TMPO
1097 int main(void) { return 0; }
1099 check_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO
1103 log check_stripflags "$@"
1104 test_stripflags "$@" && add_stripflags "$@"
1108 log check_header "$@"
1111 disable_sanitized $header
1112 check_cpp "$@" <<EOF && enable_sanitized $header
1118 check_header_objcc(){
1119 log check_header_objcc "$@"
1123 disable_sanitized $header
1125 echo "#include <$header>"
1126 echo "int main(void) { return 0; }"
1127 } | check_objcc && check_stat "$TMPO" && enable_sanitized $header
1130 check_apple_framework(){
1131 log check_apple_framework "$@"
1133 name="$(tolower $framework)"
1134 header="${framework}/${framework}.h"
1136 check_header_objcc $header &&
1137 enable $name && eval ${name}_extralibs='"-framework $framework"'
1145 check_ld "cc" "$@" <<EOF && enable $func
1147 int main(void){ $func(); }
1151 check_complexfunc(){
1152 log check_complexfunc "$@"
1156 test $narg = 2 && args="f, g" || args="f * I"
1158 check_ld "cc" "$@" <<EOF && enable $func
1159 #include <complex.h>
1161 float foo(complex float f, complex float g) { return $func($args); }
1162 int main(void){ return (int) foo; }
1167 log check_mathfunc "$@"
1171 test $narg = 2 && args="f, g" || args="f"
1173 check_ld "cc" "$@" <<EOF && enable $func
1175 float foo(float f, float g) { return $func($args); }
1176 int main(void){ return (int) foo; }
1180 check_func_headers(){
1181 log check_func_headers "$@"
1186 for hdr in $headers; do
1189 echo "#include <stdint.h>"
1190 for func in $funcs; do
1191 echo "long check_$func(void) { return (long) $func; }"
1193 echo "int main(void) { int ret = 0;"
1194 # LTO could optimize out the test functions without this
1195 for func in $funcs; do
1196 echo " ret |= ((intptr_t)check_$func) & 0xFFFF;"
1198 echo "return ret; }"
1199 } | check_ld "cc" "$@" && enable $funcs && enable_sanitized $headers
1202 check_class_headers_cpp(){
1203 log check_class_headers_cpp "$@"
1208 for hdr in $headers; do
1209 echo "#include <$hdr>"
1211 echo "int main(void) { "
1213 for class in $classes; do
1214 echo "$class obj$i;"
1218 } | check_ld "cxx" "$@" && enable $funcs && enable_sanitized $headers
1221 check_cpp_condition(){
1222 log check_cpp_condition "$@"
1226 check_cpp "$@" <<EOF
1229 #error "unsatisfied condition: $condition"
1235 log test_cflags_cc "$@"
1240 set -- $($cflags_filter "$flags")
1244 #error "unsatisfied condition: $condition"
1256 check_func_headers "$headers" "$funcs" "$@" &&
1257 enable $name && eval ${name}_extralibs="\$@"
1261 log check_lib_cpp "$@"
1267 check_class_headers_cpp "$headers" "$classes" "$@" &&
1268 enable $name && eval ${name}_extralibs="\$@"
1272 log check_pkg_config "$@"
1280 check_cmd $pkg_config --exists --print-errors $pkg_version || return
1281 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1282 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1283 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1285 set_sanitized "${name}_cflags" $pkg_cflags &&
1286 set_sanitized "${name}_extralibs" $pkg_libs
1290 check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1294 log check_exec_crash "$@"
1297 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1298 # are safe but may not be available everywhere. Thus we use
1299 # raise(SIGTERM) instead. The check is run in a subshell so we
1300 # can redirect the "Terminated" message from the shell. SIGBUS
1301 # is not defined by standard C so it is used conditionally.
1303 (check_exec "$@") >> $logfile 2>&1 <<EOF
1305 static void sighandler(int sig){
1311 int (*func_ptr)(void) = foo;
1313 signal(SIGILL, sighandler);
1314 signal(SIGFPE, sighandler);
1315 signal(SIGSEGV, sighandler);
1317 signal(SIGBUS, sighandler);
1329 disable_sanitized "$type"
1330 check_code cc "$headers" "$type v" "$@" && enable_sanitized "$type"
1334 log check_struct "$@"
1339 disable_sanitized "${struct}_${member}"
1340 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1341 enable_sanitized "${struct}_${member}"
1345 log check_builtin "$@"
1351 check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1354 check_compile_assert(){
1355 log check_compile_assert "$@"
1361 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1371 check_lib $name "$headers" $func "$@" || die "ERROR: $name_version not found"
1379 check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1386 check_header "$header" "$@" || die "ERROR: $header header not found"
1389 require_cpp_condition(){
1394 check_cpp_condition "$header" "$condition" "$@" || die "ERROR: $condition not satisfied"
1398 log use_pkg_config "$@"
1400 check_pkg_config "$@" || return 1
1401 add_cflags $(get_sanitized "${name}_cflags")
1404 require_pkg_config(){
1405 log require_pkg_config "$@"
1407 use_pkg_config "$@" || die "ERROR: $pkg_version not found using pkg-config$pkg_config_fail_message"
1411 eval printf '%s\\n' $HOSTCC_E
1415 eval printf '%s\\n' $HOSTCC_O
1419 log check_host_cc "$@"
1422 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1426 log check_host_cpp "$@"
1429 check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1432 check_host_cppflags(){
1433 log check_host_cppflags "$@"
1434 check_host_cpp "$@" <<EOF && append host_cppflags "$@"
1439 check_host_cflags(){
1440 log check_host_cflags "$@"
1441 set -- $($host_cflags_filter "$@")
1442 check_host_cc "$@" <<EOF && append host_cflags "$@"
1447 check_host_cpp_condition(){
1448 log check_host_cpp_condition "$@"
1452 check_host_cpp "$@" <<EOF
1455 #error "unsatisfied condition: $condition"
1461 cmp -s "$1" "$2" && { test "$quiet" != "yes" && echo "$2 is unchanged"; } && return
1462 mkdir -p "$(dirname $2)"
1466 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1467 # system-dependent things.
1469 AVCODEC_COMPONENTS="
1477 AVDEVICE_COMPONENTS="
1482 AVFILTER_COMPONENTS="
1486 AVFORMAT_COMPONENTS="
1492 AVRESAMPLE_COMPONENTS=""
1494 AVUTIL_COMPONENTS=""
1498 $AVDEVICE_COMPONENTS
1499 $AVFILTER_COMPONENTS
1500 $AVFORMAT_COMPONENTS
1501 $AVRESAMPLE_COMPONENTS
1506 avio_dir_cmd_example
1507 avio_reading_example
1508 decode_audio_example
1509 decode_video_example
1510 demuxing_decoding_example
1511 encode_audio_example
1512 encode_video_example
1514 filter_audio_example
1515 filtering_audio_example
1516 filtering_video_example
1517 http_multiclient_example
1523 resampling_audio_example
1524 scaling_video_example
1525 transcode_aac_example
1529 EXTERNAL_AUTODETECT_LIBRARY_LIST="
1549 EXTERNAL_LIBRARY_GPL_LIST="
1561 EXTERNAL_LIBRARY_NONFREE_LIST="
1568 EXTERNAL_LIBRARY_VERSION3_LIST="
1576 EXTERNAL_LIBRARY_GPLV3_LIST="
1580 EXTERNAL_LIBRARY_LIST="
1581 $EXTERNAL_LIBRARY_GPL_LIST
1582 $EXTERNAL_LIBRARY_NONFREE_LIST
1583 $EXTERNAL_LIBRARY_VERSION3_LIST
1584 $EXTERNAL_LIBRARY_GPLV3_LIST
1643 HWACCEL_AUTODETECT_LIBRARY_LIST="
1658 # catchall list of things that require external libs to link
1664 HWACCEL_LIBRARY_NONFREE_LIST="
1669 HWACCEL_LIBRARY_LIST="
1670 $HWACCEL_LIBRARY_NONFREE_LIST
1690 safe_bitstream_reader
1737 # COMPONENT_LIST needs to come last to ensure correct dependency checking
1741 $EXTERNAL_LIBRARY_LIST
1742 $EXTERNAL_AUTODETECT_LIBRARY_LIST
1743 $HWACCEL_LIBRARY_LIST
1744 $HWACCEL_AUTODETECT_LIBRARY_LIST
1776 $EXTERNAL_AUTODETECT_LIBRARY_LIST
1777 $HWACCEL_AUTODETECT_LIBRARY_LIST
1819 ARCH_EXT_LIST_MIPS="
1831 ARCH_EXT_LIST_LOONGSON="
1837 ARCH_EXT_LIST_X86_SIMD="
1866 $ARCH_EXT_LIST_X86_SIMD
1876 $ARCH_EXT_LIST_LOONGSON
1897 sync_val_compare_and_swap
1914 cdio_paranoia_paranoia_h
1918 dev_bktr_ioctl_bt848_h
1919 dev_bktr_ioctl_meteor_h
1921 dev_video_bktr_ioctl_bt848_h
1922 dev_video_meteor_ioctl_meteor_h
1932 machine_ioctl_bt848_h
1933 machine_ioctl_meteor_h
1935 opencv2_core_core_c_h
2012 GetProcessAffinityMask
2013 GetProcessMemoryInfo
2016 GetSystemTimeAsFileTime
2039 SetConsoleTextAttribute
2040 SetConsoleCtrlHandler
2048 UTGetOSTypeFromString
2053 TOOLCHAIN_FEATURES="
2067 inline_asm_direct_symbol_refs
2069 inline_asm_nonlocal_labels
2080 CONDITION_VARIABLE_Ptr
2081 kCMVideoCodecType_HEVC
2084 struct_group_source_req
2085 struct_ip_mreq_source
2087 struct_msghdr_msg_flags
2089 struct_rusage_ru_maxrss
2090 struct_sctp_event_subscribe
2092 struct_sockaddr_sa_len
2093 struct_sockaddr_storage
2094 struct_stat_st_mtim_tv_nsec
2095 struct_v4l2_frmivalenum_discrete
2100 $(add_suffix _external $ARCH_EXT_LIST)
2101 $(add_suffix _inline $ARCH_EXT_LIST)
2120 MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS
2133 # options emitted with CONFIG_ prefix but not available on the command line
2155 frame_thread_encoder
2310 # code dependency declarations
2312 # architecture extensions
2317 armv8_deps="aarch64"
2318 neon_deps_any="aarch64 arm"
2319 intrinsics_neon_deps="neon"
2320 vfp_deps_any="aarch64 arm"
2324 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
2333 loongson2_deps="mips"
2334 loongson3_deps="mips"
2335 mips32r2_deps="mips"
2336 mips32r5_deps="mips"
2337 mips32r6_deps="mips"
2338 mips64r2_deps="mips"
2339 mips64r6_deps="mips"
2342 mipsdspr2_deps="mips"
2347 x86_64_select="i686"
2348 x86_64_suggest="fast_cmov"
2351 amd3dnowext_deps="amd3dnow"
2368 mmx_external_deps="x86asm"
2369 mmx_inline_deps="inline_asm x86"
2370 mmx_suggest="mmx_external mmx_inline"
2372 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
2373 eval dep=\$${ext}_deps
2374 eval ${ext}_external_deps='"${dep}_external"'
2375 eval ${ext}_inline_deps='"${dep}_inline"'
2376 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
2379 aligned_stack_if_any="aarch64 ppc x86"
2380 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
2381 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
2382 fast_unaligned_if_any="aarch64 ppc x86"
2383 simd_align_16_if_any="altivec neon sse"
2384 simd_align_32_if_any="avx"
2386 # system capabilities
2387 symver_if_any="symver_asm_label symver_gnu_asm"
2388 valgrind_backtrace_conflict="optimizations"
2389 valgrind_backtrace_deps="valgrind_valgrind_h"
2392 atomics_gcc_if="sync_val_compare_and_swap"
2393 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
2394 atomics_win32_if="MemoryBarrier"
2395 atomics_native_if_any="$ATOMICS_LIST"
2396 w32threads_deps="atomics_native"
2397 threads_if_any="$THREADS_LIST"
2400 cbs_h264_select="cbs golomb"
2401 cbs_h265_select="cbs golomb"
2402 cbs_mpeg2_select="cbs"
2404 dirac_parse_select="golomb"
2405 error_resilience_select="me_cmp"
2407 faandct_select="fdctdsp"
2408 faanidct_deps="faan"
2409 faanidct_select="idctdsp"
2410 h264dsp_select="startcode"
2411 hevcparse_select="golomb"
2412 frame_thread_encoder_deps="encoders threads"
2413 intrax8_select="blockdsp idctdsp"
2416 me_cmp_select="fdctdsp idctdsp pixblockdsp"
2417 mpeg_er_select="error_resilience"
2418 mpegaudio_select="mpegaudiodsp mpegaudioheader"
2419 mpegaudiodsp_select="dct"
2420 mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp mpeg_er videodsp"
2421 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
2422 vc1dsp_select="h264chroma qpeldsp startcode"
2425 # decoders / encoders
2426 aac_decoder_select="adts_header mdct15 mdct sinewin"
2427 aac_fixed_decoder_select="mdct sinewin"
2428 aac_encoder_select="audio_frame_queue iirfilter lpc mdct sinewin"
2429 aac_latm_decoder_select="aac_decoder aac_latm_parser"
2430 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
2431 ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"
2432 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
2433 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
2434 adpcm_g722_decoder_select="g722dsp"
2435 adpcm_g722_encoder_select="g722dsp"
2436 aic_decoder_select="golomb idctdsp"
2437 alac_encoder_select="lpc"
2438 als_decoder_select="bswapdsp"
2439 amrnb_decoder_select="lsp"
2440 amrwb_decoder_select="lsp"
2441 amv_decoder_select="sp5x_decoder exif"
2442 amv_encoder_select="aandcttables jpegtables mpegvideoenc"
2443 ape_decoder_select="bswapdsp llauddsp"
2444 apng_decoder_select="zlib"
2445 apng_encoder_select="llvidencdsp zlib"
2446 asv1_decoder_select="blockdsp bswapdsp idctdsp"
2447 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
2448 asv2_decoder_select="blockdsp bswapdsp idctdsp"
2449 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
2450 atrac1_decoder_select="mdct sinewin"
2451 atrac3_decoder_select="mdct"
2452 atrac3p_decoder_select="mdct sinewin"
2453 avrn_decoder_select="exif jpegtables"
2454 bink_decoder_select="blockdsp hpeldsp"
2455 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
2456 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
2457 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
2458 clearvideo_decoder_select="idctdsp"
2459 cllc_decoder_select="bswapdsp"
2460 comfortnoise_encoder_select="lpc"
2461 cook_decoder_select="audiodsp mdct sinewin"
2462 cscd_decoder_select="lzo"
2463 cscd_decoder_suggest="zlib"
2464 dca_decoder_select="mdct"
2465 dds_decoder_select="texturedsp"
2466 dirac_decoder_select="dirac_parse dwt golomb videodsp mpegvideoenc"
2467 dnxhd_decoder_select="blockdsp idctdsp"
2468 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
2469 dolby_e_decoder_select="mdct"
2470 dvvideo_decoder_select="dvprofile idctdsp"
2471 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
2472 dxa_decoder_select="zlib"
2473 dxv_decoder_select="lzf texturedsp"
2474 eac3_decoder_select="ac3_decoder"
2475 eac3_encoder_select="ac3_encoder"
2476 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
2477 eatgq_decoder_select="aandcttables"
2478 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp"
2479 exr_decoder_select="zlib"
2480 ffv1_decoder_select="rangecoder"
2481 ffv1_encoder_select="rangecoder"
2482 ffvhuff_decoder_select="huffyuv_decoder"
2483 ffvhuff_encoder_select="huffyuv_encoder"
2484 fic_decoder_select="golomb"
2485 flac_decoder_select="flacdsp"
2486 flac_encoder_select="bswapdsp flacdsp lpc"
2487 flashsv2_decoder_select="zlib"
2488 flashsv2_encoder_select="zlib"
2489 flashsv_decoder_select="zlib"
2490 flashsv_encoder_select="zlib"
2491 flv_decoder_select="h263_decoder"
2492 flv_encoder_select="h263_encoder"
2493 fourxm_decoder_select="blockdsp bswapdsp"
2494 fraps_decoder_select="bswapdsp huffman"
2495 g2m_decoder_select="blockdsp idctdsp jpegtables zlib"
2496 g729_decoder_select="audiodsp"
2497 h261_decoder_select="mpegvideo"
2498 h261_encoder_select="aandcttables mpegvideoenc"
2499 h263_decoder_select="h263_parser h263dsp mpegvideo qpeldsp"
2500 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
2501 h263i_decoder_select="h263_decoder"
2502 h263p_decoder_select="h263_decoder"
2503 h263p_encoder_select="h263_encoder"
2504 h264_decoder_select="cabac golomb h264chroma h264dsp h264parse h264pred h264qpel videodsp"
2505 h264_decoder_suggest="error_resilience"
2506 hap_decoder_select="snappy texturedsp"
2507 hap_encoder_deps="libsnappy"
2508 hap_encoder_select="texturedspenc"
2509 hevc_decoder_select="bswapdsp cabac golomb hevcparse videodsp"
2510 huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"
2511 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llvidencdsp"
2512 iac_decoder_select="imc_decoder"
2513 imc_decoder_select="bswapdsp fft mdct sinewin"
2514 indeo3_decoder_select="hpeldsp"
2515 indeo4_decoder_select="ividsp"
2516 indeo5_decoder_select="ividsp"
2517 interplay_video_decoder_select="hpeldsp"
2518 jpegls_decoder_select="mjpeg_decoder"
2519 jv_decoder_select="blockdsp"
2520 lagarith_decoder_select="llviddsp"
2521 ljpeg_encoder_select="aandcttables idctdsp jpegtables mpegvideoenc"
2522 magicyuv_decoder_select="llviddsp"
2523 magicyuv_encoder_select="llvidencdsp"
2524 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2525 metasound_decoder_select="lsp mdct sinewin"
2526 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2527 mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"
2528 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
2529 mjpegb_decoder_select="mjpeg_decoder"
2530 mlp_decoder_select="mlp_parser"
2531 mlp_encoder_select="lpc"
2532 motionpixels_decoder_select="bswapdsp"
2533 mp1_decoder_select="mpegaudio"
2534 mp1float_decoder_select="mpegaudio"
2535 mp2_decoder_select="mpegaudio"
2536 mp2float_decoder_select="mpegaudio"
2537 mp3_decoder_select="mpegaudio"
2538 mp3adu_decoder_select="mpegaudio"
2539 mp3adufloat_decoder_select="mpegaudio"
2540 mp3float_decoder_select="mpegaudio"
2541 mp3on4_decoder_select="mpegaudio"
2542 mp3on4float_decoder_select="mpegaudio"
2543 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2544 mpc8_decoder_select="mpegaudiodsp"
2545 mpegvideo_decoder_select="mpegvideo"
2546 mpeg1video_decoder_select="mpegvideo"
2547 mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"
2548 mpeg2video_decoder_select="mpegvideo"
2549 mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"
2550 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2551 mpeg4_encoder_select="h263_encoder"
2552 msa1_decoder_select="mss34dsp"
2553 mscc_decoder_select="zlib"
2554 msmpeg4v1_decoder_select="h263_decoder"
2555 msmpeg4v2_decoder_select="h263_decoder"
2556 msmpeg4v2_encoder_select="h263_encoder"
2557 msmpeg4v3_decoder_select="h263_decoder"
2558 msmpeg4v3_encoder_select="h263_encoder"
2559 mss2_decoder_select="mpegvideo qpeldsp vc1_decoder"
2560 mts2_decoder_select="mss34dsp"
2561 mxpeg_decoder_select="mjpeg_decoder"
2562 nellymoser_decoder_select="mdct sinewin"
2563 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2564 nuv_decoder_select="idctdsp lzo"
2565 on2avc_decoder_select="mdct"
2566 opus_decoder_deps="swresample"
2567 opus_decoder_select="mdct15"
2568 opus_encoder_select="audio_frame_queue mdct15"
2569 png_decoder_select="zlib"
2570 png_encoder_select="llvidencdsp zlib"
2571 prores_decoder_select="blockdsp idctdsp"
2572 prores_encoder_select="fdctdsp"
2573 qcelp_decoder_select="lsp"
2574 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2575 ra_144_decoder_select="audiodsp"
2576 ra_144_encoder_select="audio_frame_queue lpc audiodsp"
2577 ralf_decoder_select="golomb"
2578 rawvideo_decoder_select="bswapdsp"
2579 rscc_decoder_select="zlib"
2580 rtjpeg_decoder_select="me_cmp"
2581 rv10_decoder_select="h263_decoder"
2582 rv10_encoder_select="h263_encoder"
2583 rv20_decoder_select="h263_decoder"
2584 rv20_encoder_select="h263_encoder"
2585 rv30_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2586 rv40_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2587 screenpresso_decoder_select="zlib"
2588 shorten_decoder_select="bswapdsp"
2589 sipr_decoder_select="lsp"
2590 snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"
2591 snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"
2592 sonic_decoder_select="golomb rangecoder"
2593 sonic_encoder_select="golomb rangecoder"
2594 sonic_ls_encoder_select="golomb rangecoder"
2595 sp5x_decoder_select="mjpeg_decoder"
2596 srgc_decoder_select="zlib"
2597 svq1_decoder_select="hpeldsp"
2598 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2599 svq3_decoder_select="golomb h264dsp h264parse h264pred hpeldsp tpeldsp videodsp"
2600 svq3_decoder_suggest="zlib"
2601 tak_decoder_select="audiodsp"
2602 tdsc_decoder_select="zlib mjpeg_decoder"
2603 theora_decoder_select="vp3_decoder"
2604 thp_decoder_select="mjpeg_decoder"
2605 tiff_decoder_suggest="zlib lzma"
2606 tiff_encoder_suggest="zlib"
2607 truehd_decoder_select="mlp_parser"
2608 truehd_encoder_select="lpc"
2609 truemotion2_decoder_select="bswapdsp"
2610 truespeech_decoder_select="bswapdsp"
2611 tscc_decoder_select="zlib"
2612 twinvq_decoder_select="mdct lsp sinewin"
2613 txd_decoder_select="texturedsp"
2614 utvideo_decoder_select="bswapdsp llviddsp"
2615 utvideo_encoder_select="bswapdsp huffman llvidencdsp"
2616 vble_decoder_select="llviddsp"
2617 vc1_decoder_select="blockdsp h263_decoder h264qpel intrax8 mpegvideo vc1dsp"
2618 vc1image_decoder_select="vc1_decoder"
2619 vorbis_decoder_select="mdct"
2620 vorbis_encoder_select="mdct"
2621 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2622 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"
2623 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"
2624 vp6a_decoder_select="vp6_decoder"
2625 vp6f_decoder_select="vp6_decoder"
2626 vp7_decoder_select="h264pred videodsp vp8dsp"
2627 vp8_decoder_select="h264pred videodsp vp8dsp"
2628 vp9_decoder_select="videodsp vp9_parser"
2629 webp_decoder_select="vp8_decoder exif"
2630 wmalossless_decoder_select="llauddsp"
2631 wmapro_decoder_select="mdct sinewin wma_freqs"
2632 wmav1_decoder_select="mdct sinewin wma_freqs"
2633 wmav1_encoder_select="mdct sinewin wma_freqs"
2634 wmav2_decoder_select="mdct sinewin wma_freqs"
2635 wmav2_encoder_select="mdct sinewin wma_freqs"
2636 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2637 wmv1_decoder_select="h263_decoder"
2638 wmv1_encoder_select="h263_encoder"
2639 wmv2_decoder_select="blockdsp error_resilience h263_decoder idctdsp intrax8 videodsp wmv2dsp"
2640 wmv2_encoder_select="h263_encoder wmv2dsp"
2641 wmv3_decoder_select="vc1_decoder"
2642 wmv3image_decoder_select="wmv3_decoder"
2643 xma1_decoder_select="wmapro_decoder"
2644 xma2_decoder_select="wmapro_decoder"
2645 zerocodec_decoder_select="zlib"
2646 zlib_decoder_select="zlib"
2647 zlib_encoder_select="zlib"
2648 zmbv_decoder_select="zlib"
2649 zmbv_encoder_select="zlib"
2651 # hardware accelerators
2652 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
2653 cuda_deps_any="libdl LoadLibrary"
2655 d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder ID3D11VideoContext"
2656 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode ole32 user32"
2657 videotoolbox_hwaccel_deps="videotoolbox pthreads"
2658 videotoolbox_hwaccel_extralibs="-framework QuartzCore"
2659 xvmc_deps="X11_extensions_XvMClib_h"
2661 h263_vaapi_hwaccel_deps="vaapi"
2662 h263_vaapi_hwaccel_select="h263_decoder"
2663 h263_videotoolbox_hwaccel_deps="videotoolbox"
2664 h263_videotoolbox_hwaccel_select="h263_decoder"
2665 h264_cuvid_hwaccel_deps="cuda cuvid"
2666 h264_cuvid_hwaccel_select="h264_cuvid_decoder"
2667 h264_d3d11va_hwaccel_deps="d3d11va"
2668 h264_d3d11va_hwaccel_select="h264_decoder"
2669 h264_d3d11va2_hwaccel_deps="d3d11va"
2670 h264_d3d11va2_hwaccel_select="h264_decoder"
2671 h264_dxva2_hwaccel_deps="dxva2"
2672 h264_dxva2_hwaccel_select="h264_decoder"
2673 h264_mediacodec_hwaccel_deps="mediacodec"
2674 h264_mmal_hwaccel_deps="mmal"
2675 h264_qsv_hwaccel_deps="libmfx"
2676 h264_vaapi_hwaccel_deps="vaapi"
2677 h264_vaapi_hwaccel_select="h264_decoder"
2678 h264_vdpau_hwaccel_deps="vdpau"
2679 h264_vdpau_hwaccel_select="h264_decoder"
2680 h264_videotoolbox_hwaccel_deps="videotoolbox"
2681 h264_videotoolbox_hwaccel_select="h264_decoder"
2682 hevc_cuvid_hwaccel_deps="cuda cuvid"
2683 hevc_cuvid_hwaccel_select="hevc_cuvid_decoder"
2684 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2685 hevc_d3d11va_hwaccel_select="hevc_decoder"
2686 hevc_mediacodec_hwaccel_deps="mediacodec"
2687 hevc_d3d11va2_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2688 hevc_d3d11va2_hwaccel_select="hevc_decoder"
2689 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2690 hevc_dxva2_hwaccel_select="hevc_decoder"
2691 hevc_qsv_hwaccel_deps="libmfx"
2692 hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC"
2693 hevc_vaapi_hwaccel_select="hevc_decoder"
2694 hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"
2695 hevc_vdpau_hwaccel_select="hevc_decoder"
2696 hevc_videotoolbox_hwaccel_deps="videotoolbox"
2697 hevc_videotoolbox_hwaccel_select="hevc_decoder"
2698 mjpeg_cuvid_hwaccel_deps="cuda cuvid"
2699 mjpeg_cuvid_hwaccel_select="mjpeg_cuvid_decoder"
2700 mpeg_xvmc_hwaccel_deps="xvmc"
2701 mpeg_xvmc_hwaccel_select="mpeg2video_decoder"
2702 mpeg1_cuvid_hwaccel_deps="cuda cuvid"
2703 mpeg1_cuvid_hwaccel_select="mpeg1_cuvid_decoder"
2704 mpeg1_vdpau_hwaccel_deps="vdpau"
2705 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2706 mpeg1_videotoolbox_hwaccel_deps="videotoolbox"
2707 mpeg1_videotoolbox_hwaccel_select="mpeg1video_decoder"
2708 mpeg1_xvmc_hwaccel_deps="xvmc"
2709 mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"
2710 mpeg2_cuvid_hwaccel_deps="cuda cuvid"
2711 mpeg2_cuvid_hwaccel_select="mpeg2_cuvid_decoder"
2712 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2713 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2714 mpeg2_d3d11va2_hwaccel_deps="d3d11va"
2715 mpeg2_d3d11va2_hwaccel_select="mpeg2video_decoder"
2716 mpeg2_dxva2_hwaccel_deps="dxva2"
2717 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2718 mpeg2_mediacodec_hwaccel_deps="mediacodec"
2719 mpeg2_mmal_hwaccel_deps="mmal"
2720 mpeg2_qsv_hwaccel_deps="libmfx"
2721 mpeg2_vaapi_hwaccel_deps="vaapi"
2722 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2723 mpeg2_vdpau_hwaccel_deps="vdpau"
2724 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2725 mpeg2_videotoolbox_hwaccel_deps="videotoolbox"
2726 mpeg2_videotoolbox_hwaccel_select="mpeg2video_decoder"
2727 mpeg2_xvmc_hwaccel_deps="xvmc"
2728 mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"
2729 mpeg4_cuvid_hwaccel_deps="cuda cuvid"
2730 mpeg4_cuvid_hwaccel_select="mpeg4_cuvid_decoder"
2731 mpeg4_mediacodec_hwaccel_deps="mediacodec"
2732 mpeg4_mmal_hwaccel_deps="mmal"
2733 mpeg4_vaapi_hwaccel_deps="vaapi"
2734 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2735 mpeg4_vdpau_hwaccel_deps="vdpau"
2736 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2737 mpeg4_videotoolbox_hwaccel_deps="videotoolbox"
2738 mpeg4_videotoolbox_hwaccel_select="mpeg4_decoder"
2739 vc1_cuvid_hwaccel_deps="cuda cuvid"
2740 vc1_cuvid_hwaccel_select="vc1_cuvid_decoder"
2741 vc1_d3d11va_hwaccel_deps="d3d11va"
2742 vc1_d3d11va_hwaccel_select="vc1_decoder"
2743 vc1_d3d11va2_hwaccel_deps="d3d11va"
2744 vc1_d3d11va2_hwaccel_select="vc1_decoder"
2745 vc1_dxva2_hwaccel_deps="dxva2"
2746 vc1_dxva2_hwaccel_select="vc1_decoder"
2747 vc1_mmal_hwaccel_deps="mmal"
2748 vc1_qsv_hwaccel_deps="libmfx"
2749 vc1_vaapi_hwaccel_deps="vaapi"
2750 vc1_vaapi_hwaccel_select="vc1_decoder"
2751 vc1_vdpau_hwaccel_deps="vdpau"
2752 vc1_vdpau_hwaccel_select="vc1_decoder"
2753 vp8_cuvid_hwaccel_deps="cuda cuvid"
2754 vp8_cuvid_hwaccel_select="vp8_cuvid_decoder"
2755 vp9_cuvid_hwaccel_deps="cuda cuvid"
2756 vp9_cuvid_hwaccel_select="vp9_cuvid_decoder"
2757 vp8_mediacodec_hwaccel_deps="mediacodec"
2758 vp8_qsv_hwaccel_deps="libmfx"
2759 vp9_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_VP9"
2760 vp9_d3d11va_hwaccel_select="vp9_decoder"
2761 vp9_d3d11va2_hwaccel_deps="d3d11va DXVA_PicParams_VP9"
2762 vp9_d3d11va2_hwaccel_select="vp9_decoder"
2763 vp9_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_VP9"
2764 vp9_dxva2_hwaccel_select="vp9_decoder"
2765 vp9_mediacodec_hwaccel_deps="mediacodec"
2766 vp9_vaapi_hwaccel_deps="vaapi VADecPictureParameterBufferVP9_bit_depth"
2767 vp9_vaapi_hwaccel_select="vp9_decoder"
2768 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2769 wmv3_d3d11va2_hwaccel_select="vc1_d3d11va2_hwaccel"
2770 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2771 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2772 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2774 # hardware-accelerated codecs
2775 omx_deps="libdl pthreads"
2776 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"
2789 nvenc_deps_any="libdl LoadLibrary"
2790 nvenc_encoder_deps="nvenc"
2792 h263_v4l2m2m_decoder_deps="v4l2_m2m h263_v4l2_m2m"
2793 h263_v4l2m2m_encoder_deps="v4l2_m2m h263_v4l2_m2m"
2794 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
2795 h264_cuvid_decoder_deps="cuda cuvid"
2796 h264_cuvid_decoder_select="h264_mp4toannexb_bsf"
2797 h264_mediacodec_decoder_deps="mediacodec"
2798 h264_mediacodec_decoder_select="h264_mp4toannexb_bsf h264_parser"
2799 h264_mmal_decoder_deps="mmal"
2800 h264_nvenc_encoder_deps="nvenc"
2801 h264_omx_encoder_deps="omx"
2802 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
2803 h264_qsv_encoder_select="qsvenc"
2804 h264_rkmpp_decoder_deps="rkmpp"
2805 h264_rkmpp_decoder_select="h264_mp4toannexb_bsf"
2806 h264_vaapi_encoder_deps="VAEncPictureParameterBufferH264"
2807 h264_vaapi_encoder_select="cbs_h264 vaapi_encode"
2808 h264_v4l2m2m_decoder_deps="v4l2_m2m h264_v4l2_m2m"
2809 h264_v4l2m2m_encoder_deps="v4l2_m2m h264_v4l2_m2m"
2810 hevc_cuvid_decoder_deps="cuda cuvid"
2811 hevc_cuvid_decoder_select="hevc_mp4toannexb_bsf"
2812 hevc_mediacodec_decoder_deps="mediacodec"
2813 hevc_mediacodec_decoder_select="hevc_mp4toannexb_bsf hevc_parser"
2814 hevc_nvenc_encoder_deps="nvenc"
2815 hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec hevc_qsv_hwaccel"
2816 hevc_qsv_encoder_select="hevcparse qsvenc"
2817 hevc_rkmpp_decoder_deps="rkmpp"
2818 hevc_rkmpp_decoder_select="hevc_mp4toannexb_bsf"
2819 hevc_vaapi_encoder_deps="VAEncPictureParameterBufferHEVC"
2820 hevc_vaapi_encoder_select="cbs_h265 vaapi_encode"
2821 hevc_v4l2m2m_decoder_deps="v4l2_m2m hevc_v4l2_m2m"
2822 hevc_v4l2m2m_encoder_deps="v4l2_m2m hevc_v4l2_m2m"
2823 mjpeg_cuvid_decoder_deps="cuda cuvid"
2824 mjpeg_vaapi_encoder_deps="VAEncPictureParameterBufferJPEG"
2825 mjpeg_vaapi_encoder_select="vaapi_encode jpegtables"
2826 mpeg1_cuvid_decoder_deps="cuda cuvid"
2827 mpeg1_v4l2m2m_decoder_deps="v4l2_m2m mpeg1_v4l2_m2m"
2828 mpeg2_crystalhd_decoder_select="crystalhd"
2829 mpeg2_cuvid_decoder_deps="cuda cuvid"
2830 mpeg2_mmal_decoder_deps="mmal"
2831 mpeg2_mediacodec_decoder_deps="mediacodec"
2832 mpeg2_qsv_decoder_select="qsvdec mpeg2_qsv_hwaccel"
2833 mpeg2_qsv_encoder_select="qsvenc"
2834 mpeg2_vaapi_encoder_deps="VAEncPictureParameterBufferMPEG2"
2835 mpeg2_vaapi_encoder_select="cbs_mpeg2 vaapi_encode"
2836 mpeg2_v4l2m2m_decoder_deps="v4l2_m2m mpeg2_v4l2_m2m"
2837 mpeg4_crystalhd_decoder_select="crystalhd"
2838 mpeg4_cuvid_decoder_deps="cuda cuvid"
2839 mpeg4_mediacodec_decoder_deps="mediacodec"
2840 mpeg4_mmal_decoder_deps="mmal"
2841 mpeg4_omx_encoder_deps="omx"
2842 mpeg4_v4l2m2m_decoder_deps="v4l2_m2m mpeg4_v4l2_m2m"
2843 mpeg4_v4l2m2m_encoder_deps="v4l2_m2m mpeg4_v4l2_m2m"
2844 msmpeg4_crystalhd_decoder_select="crystalhd"
2845 nvenc_h264_encoder_select="h264_nvenc_encoder"
2846 nvenc_hevc_encoder_select="hevc_nvenc_encoder"
2847 vc1_crystalhd_decoder_select="crystalhd"
2848 vc1_cuvid_decoder_deps="cuda cuvid"
2849 vc1_mmal_decoder_deps="mmal"
2850 vc1_qsv_decoder_select="qsvdec vc1_qsv_hwaccel vc1_parser"
2851 vc1_v4l2m2m_decoder_deps="v4l2_m2m vc1_v4l2_m2m"
2852 vp8_cuvid_decoder_deps="cuda cuvid"
2853 vp8_mediacodec_decoder_deps="mediacodec"
2854 vp8_qsv_decoder_select="qsvdec vp8_qsv_hwaccel vp8_parser"
2855 vp8_rkmpp_decoder_deps="rkmpp"
2856 vp8_vaapi_encoder_deps="VAEncPictureParameterBufferVP8"
2857 vp8_vaapi_encoder_select="vaapi_encode"
2858 vp8_v4l2m2m_decoder_deps="v4l2_m2m vp8_v4l2_m2m"
2859 vp8_v4l2m2m_encoder_deps="v4l2_m2m vp8_v4l2_m2m"
2860 vp9_cuvid_decoder_deps="cuda cuvid"
2861 vp9_mediacodec_decoder_deps="mediacodec"
2862 vp9_rkmpp_decoder_deps="rkmpp"
2863 vp9_vaapi_encoder_deps="VAEncPictureParameterBufferVP9"
2864 vp9_vaapi_encoder_select="vaapi_encode"
2865 vp9_v4l2m2m_decoder_deps="v4l2_m2m vp9_v4l2_m2m"
2866 wmv3_crystalhd_decoder_select="crystalhd"
2869 aac_parser_select="adts_header"
2870 h264_parser_select="golomb h264dsp h264parse"
2871 hevc_parser_select="hevcparse"
2872 mpegaudio_parser_select="mpegaudioheader"
2873 mpegvideo_parser_select="mpegvideo"
2874 mpeg4video_parser_select="h263dsp mpegvideo qpeldsp"
2875 vc1_parser_select="vc1dsp"
2878 aac_adtstoasc_bsf_select="adts_header"
2879 h264_metadata_bsf_select="cbs_h264"
2880 h264_redundant_pps_bsf_select="cbs_h264"
2881 hevc_metadata_bsf_select="cbs_h265"
2882 mjpeg2jpeg_bsf_select="jpegtables"
2883 mpeg2_metadata_bsf_select="cbs_mpeg2"
2884 trace_headers_bsf_select="cbs_h264 cbs_h265 cbs_mpeg2"
2886 # external libraries
2887 aac_at_decoder_deps="audiotoolbox"
2888 ac3_at_decoder_deps="audiotoolbox"
2889 ac3_at_decoder_select="ac3_parser"
2890 adpcm_ima_qt_at_decoder_deps="audiotoolbox"
2891 alac_at_decoder_deps="audiotoolbox"
2892 amr_nb_at_decoder_deps="audiotoolbox"
2893 avisynth_deps_any="libdl LoadLibrary"
2894 avisynth_demuxer_deps="avisynth"
2895 avisynth_demuxer_select="riffdec"
2896 eac3_at_decoder_deps="audiotoolbox"
2897 eac3_at_decoder_select="ac3_parser"
2898 gsm_ms_at_decoder_deps="audiotoolbox"
2899 ilbc_at_decoder_deps="audiotoolbox"
2900 mp1_at_decoder_deps="audiotoolbox"
2901 mp2_at_decoder_deps="audiotoolbox"
2902 mp3_at_decoder_deps="audiotoolbox"
2903 mp1_at_decoder_select="mpegaudioheader"
2904 mp2_at_decoder_select="mpegaudioheader"
2905 mp3_at_decoder_select="mpegaudioheader"
2906 pcm_alaw_at_decoder_deps="audiotoolbox"
2907 pcm_mulaw_at_decoder_deps="audiotoolbox"
2908 qdmc_at_decoder_deps="audiotoolbox"
2909 qdm2_at_decoder_deps="audiotoolbox"
2910 aac_at_encoder_deps="audiotoolbox"
2911 aac_at_encoder_select="audio_frame_queue"
2912 alac_at_encoder_deps="audiotoolbox"
2913 alac_at_encoder_select="audio_frame_queue"
2914 ilbc_at_encoder_deps="audiotoolbox"
2915 ilbc_at_encoder_select="audio_frame_queue"
2916 pcm_alaw_at_encoder_deps="audiotoolbox"
2917 pcm_alaw_at_encoder_select="audio_frame_queue"
2918 pcm_mulaw_at_encoder_deps="audiotoolbox"
2919 pcm_mulaw_at_encoder_select="audio_frame_queue"
2920 chromaprint_muxer_deps="chromaprint"
2921 h264_videotoolbox_encoder_deps="pthreads"
2922 h264_videotoolbox_encoder_select="videotoolbox_encoder"
2923 libcelt_decoder_deps="libcelt"
2924 libfdk_aac_decoder_deps="libfdk_aac"
2925 libfdk_aac_encoder_deps="libfdk_aac"
2926 libfdk_aac_encoder_select="audio_frame_queue"
2927 libgme_demuxer_deps="libgme"
2928 libgsm_decoder_deps="libgsm"
2929 libgsm_encoder_deps="libgsm"
2930 libgsm_ms_decoder_deps="libgsm"
2931 libgsm_ms_encoder_deps="libgsm"
2932 libilbc_decoder_deps="libilbc"
2933 libilbc_encoder_deps="libilbc"
2934 libkvazaar_encoder_deps="libkvazaar"
2935 libmodplug_demuxer_deps="libmodplug"
2936 libmp3lame_encoder_deps="libmp3lame"
2937 libmp3lame_encoder_select="audio_frame_queue mpegaudioheader"
2938 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2939 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2940 libopencore_amrnb_encoder_select="audio_frame_queue"
2941 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2942 libopenh264_decoder_deps="libopenh264"
2943 libopenh264_decoder_select="h264_mp4toannexb_bsf"
2944 libopenh264_encoder_deps="libopenh264"
2945 libopenjpeg_decoder_deps="libopenjpeg"
2946 libopenjpeg_encoder_deps="libopenjpeg"
2947 libopenmpt_demuxer_deps="libopenmpt"
2948 libopus_decoder_deps="libopus"
2949 libopus_encoder_deps="libopus"
2950 libopus_encoder_select="audio_frame_queue"
2951 librsvg_decoder_deps="librsvg"
2952 libshine_encoder_deps="libshine"
2953 libshine_encoder_select="audio_frame_queue"
2954 libspeex_decoder_deps="libspeex"
2955 libspeex_encoder_deps="libspeex"
2956 libspeex_encoder_select="audio_frame_queue"
2957 libtheora_encoder_deps="libtheora"
2958 libtwolame_encoder_deps="libtwolame"
2959 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2960 libvorbis_decoder_deps="libvorbis"
2961 libvorbis_encoder_deps="libvorbis libvorbisenc"
2962 libvorbis_encoder_select="audio_frame_queue"
2963 libvpx_vp8_decoder_deps="libvpx"
2964 libvpx_vp8_encoder_deps="libvpx"
2965 libvpx_vp9_decoder_deps="libvpx"
2966 libvpx_vp9_encoder_deps="libvpx"
2967 libwavpack_encoder_deps="libwavpack"
2968 libwavpack_encoder_select="audio_frame_queue"
2969 libwebp_encoder_deps="libwebp"
2970 libwebp_anim_encoder_deps="libwebp"
2971 libx262_encoder_deps="libx262"
2972 libx264_encoder_deps="libx264"
2973 libx264rgb_encoder_deps="libx264 x264_csp_bgr"
2974 libx264rgb_encoder_select="libx264_encoder"
2975 libx265_encoder_deps="libx265"
2976 libxavs_encoder_deps="libxavs"
2977 libxvid_encoder_deps="libxvid"
2978 libzvbi_teletext_decoder_deps="libzvbi"
2979 videotoolbox_suggest="coreservices"
2980 videotoolbox_deps="corefoundation coremedia corevideo"
2981 videotoolbox_encoder_deps="videotoolbox VTCompressionSessionPrepareToEncodeFrames"
2984 ac3_demuxer_select="ac3_parser"
2985 aiff_muxer_select="iso_media"
2986 asf_demuxer_select="riffdec"
2987 asf_o_demuxer_select="riffdec"
2988 asf_muxer_select="riffenc"
2989 asf_stream_muxer_select="asf_muxer"
2990 avi_demuxer_select="iso_media riffdec exif"
2991 avi_muxer_select="riffenc"
2992 caf_demuxer_select="iso_media riffdec"
2993 caf_muxer_select="iso_media"
2994 dash_muxer_select="mp4_muxer"
2995 dash_demuxer_deps="libxml2"
2996 dirac_demuxer_select="dirac_parser"
2997 dts_demuxer_select="dca_parser"
2998 dtshd_demuxer_select="dca_parser"
2999 dv_demuxer_select="dvprofile"
3000 dv_muxer_select="dvprofile"
3001 dxa_demuxer_select="riffdec"
3002 eac3_demuxer_select="ac3_parser"
3003 f4v_muxer_select="mov_muxer"
3004 fifo_muxer_deps="threads"
3005 flac_demuxer_select="flac_parser"
3006 hds_muxer_select="flv_muxer"
3007 hls_muxer_select="mpegts_muxer"
3008 hls_muxer_suggest="gcrypt openssl"
3009 image2_alias_pix_demuxer_select="image2_demuxer"
3010 image2_brender_pix_demuxer_select="image2_demuxer"
3011 ipod_muxer_select="mov_muxer"
3012 ismv_muxer_select="mov_muxer"
3013 matroska_audio_muxer_select="matroska_muxer"
3014 matroska_demuxer_select="iso_media riffdec"
3015 matroska_demuxer_suggest="bzlib lzo zlib"
3016 matroska_muxer_select="iso_media riffenc"
3017 mmf_muxer_select="riffenc"
3018 mov_demuxer_select="iso_media riffdec"
3019 mov_demuxer_suggest="zlib"
3020 mov_muxer_select="iso_media riffenc rtpenc_chain"
3021 mp3_demuxer_select="mpegaudio_parser"
3022 mp3_muxer_select="mpegaudioheader"
3023 mp4_muxer_select="mov_muxer"
3024 mpegts_demuxer_select="iso_media"
3025 mpegts_muxer_select="adts_muxer latm_muxer"
3026 mpegtsraw_demuxer_select="mpegts_demuxer"
3027 mxf_d10_muxer_select="mxf_muxer"
3028 mxf_opatom_muxer_select="mxf_muxer"
3029 nut_muxer_select="riffenc"
3030 nuv_demuxer_select="riffdec"
3031 oga_muxer_select="ogg_muxer"
3032 ogg_demuxer_select="dirac_parse"
3033 ogv_muxer_select="ogg_muxer"
3034 opus_muxer_select="ogg_muxer"
3035 psp_muxer_select="mov_muxer"
3036 rtp_demuxer_select="sdp_demuxer"
3037 rtp_muxer_select="golomb"
3038 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol srtp"
3039 rtsp_demuxer_select="http_protocol rtpdec"
3040 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
3041 sap_demuxer_select="sdp_demuxer"
3042 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
3043 sdp_demuxer_select="rtpdec"
3044 smoothstreaming_muxer_select="ismv_muxer"
3045 spdif_demuxer_select="adts_header"
3046 spdif_muxer_select="adts_header"
3047 spx_muxer_select="ogg_muxer"
3048 swf_demuxer_suggest="zlib"
3049 tak_demuxer_select="tak_parser"
3050 tg2_muxer_select="mov_muxer"
3051 tgp_muxer_select="mov_muxer"
3052 vobsub_demuxer_select="mpegps_demuxer"
3053 w64_demuxer_select="wav_demuxer"
3054 w64_muxer_select="wav_muxer"
3055 wav_demuxer_select="riffdec"
3056 wav_muxer_select="riffenc"
3057 webm_muxer_select="iso_media riffenc"
3058 webm_dash_manifest_demuxer_select="matroska_demuxer"
3059 wtv_demuxer_select="mpegts_demuxer riffdec"
3060 wtv_muxer_select="mpegts_muxer riffenc"
3061 xmv_demuxer_select="riffdec"
3062 xwma_demuxer_select="riffdec"
3065 alsa_indev_deps="alsa"
3066 alsa_outdev_deps="alsa"
3067 avfoundation_indev_deps="avfoundation corevideo coremedia pthreads"
3068 avfoundation_indev_suggest="coregraphics applicationservices"
3069 avfoundation_indev_extralibs="-framework Foundation"
3070 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
3071 caca_outdev_deps="libcaca"
3072 decklink_deps_any="libdl LoadLibrary"
3073 decklink_indev_deps="decklink threads"
3074 decklink_indev_extralibs="-lstdc++"
3075 decklink_outdev_deps="decklink threads"
3076 decklink_outdev_extralibs="-lstdc++"
3077 libndi_newtek_indev_deps="libndi_newtek"
3078 libndi_newtek_indev_extralibs="-lndi"
3079 libndi_newtek_outdev_deps="libndi_newtek"
3080 libndi_newtek_outdev_extralibs="-lndi"
3081 dshow_indev_deps="IBaseFilter"
3082 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"
3083 fbdev_indev_deps="linux_fb_h"
3084 fbdev_outdev_deps="linux_fb_h"
3085 gdigrab_indev_deps="CreateDIBSection"
3086 gdigrab_indev_extralibs="-lgdi32"
3087 gdigrab_indev_select="bmp_decoder"
3088 iec61883_indev_deps="libiec61883"
3089 jack_indev_deps="libjack"
3090 jack_indev_deps_any="sem_timedwait dispatch_dispatch_h"
3091 kmsgrab_indev_deps="libdrm"
3092 lavfi_indev_deps="avfilter"
3093 libcdio_indev_deps="libcdio"
3094 libdc1394_indev_deps="libdc1394"
3095 openal_indev_deps="openal"
3096 opengl_outdev_deps="opengl"
3097 oss_indev_deps_any="soundcard_h sys_soundcard_h"
3098 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
3099 pulse_indev_deps="libpulse"
3100 pulse_outdev_deps="libpulse"
3101 sdl2_outdev_deps="sdl2"
3102 sndio_indev_deps="sndio"
3103 sndio_outdev_deps="sndio"
3104 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
3105 v4l2_indev_suggest="libv4l2"
3106 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
3107 v4l2_outdev_suggest="libv4l2"
3108 vfwcap_indev_deps="vfw32 vfwcap_defines"
3109 xcbgrab_indev_deps="libxcb"
3110 xcbgrab_indev_suggest="libxcb_shm libxcb_shape libxcb_xfixes"
3111 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
3112 xv_outdev_extralibs="-lXv -lX11 -lXext"
3115 async_protocol_deps="threads"
3116 bluray_protocol_deps="libbluray"
3117 ffrtmpcrypt_protocol_conflict="librtmp_protocol"
3118 ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"
3119 ffrtmpcrypt_protocol_select="tcp_protocol"
3120 ffrtmphttp_protocol_conflict="librtmp_protocol"
3121 ffrtmphttp_protocol_select="http_protocol"
3122 ftp_protocol_select="tcp_protocol"
3123 gopher_protocol_select="network"
3124 http_protocol_select="tcp_protocol"
3125 http_protocol_suggest="zlib"
3126 httpproxy_protocol_select="tcp_protocol"
3127 httpproxy_protocol_suggest="zlib"
3128 https_protocol_select="tls_protocol"
3129 https_protocol_suggest="zlib"
3130 icecast_protocol_select="http_protocol"
3131 librtmp_protocol_deps="librtmp"
3132 librtmpe_protocol_deps="librtmp"
3133 librtmps_protocol_deps="librtmp"
3134 librtmpt_protocol_deps="librtmp"
3135 librtmpte_protocol_deps="librtmp"
3136 libsmbclient_protocol_deps="libsmbclient gplv3"
3137 libssh_protocol_deps="libssh"
3138 mmsh_protocol_select="http_protocol"
3139 mmst_protocol_select="network"
3140 rtmp_protocol_conflict="librtmp_protocol"
3141 rtmp_protocol_select="tcp_protocol"
3142 rtmp_protocol_suggest="zlib"
3143 rtmpe_protocol_select="ffrtmpcrypt_protocol"
3144 rtmpe_protocol_suggest="zlib"
3145 rtmps_protocol_conflict="librtmp_protocol"
3146 rtmps_protocol_select="tls_protocol"
3147 rtmps_protocol_suggest="zlib"
3148 rtmpt_protocol_select="ffrtmphttp_protocol"
3149 rtmpt_protocol_suggest="zlib"
3150 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
3151 rtmpte_protocol_suggest="zlib"
3152 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
3153 rtmpts_protocol_suggest="zlib"
3154 rtp_protocol_select="udp_protocol"
3155 schannel_conflict="openssl gnutls"
3156 sctp_protocol_deps="struct_sctp_event_subscribe struct_msghdr_msg_flags"
3157 sctp_protocol_select="network"
3158 securetransport_conflict="openssl gnutls"
3159 srtp_protocol_select="rtp_protocol srtp"
3160 tcp_protocol_select="network"
3161 tls_protocol_deps_any="gnutls openssl schannel securetransport"
3162 tls_protocol_select="tcp_protocol"
3163 udp_protocol_select="network"
3164 udplite_protocol_select="network"
3165 unix_protocol_deps="sys_un_h"
3166 unix_protocol_select="network"
3169 afftfilt_filter_deps="avcodec"
3170 afftfilt_filter_select="fft"
3171 afir_filter_deps="avcodec"
3172 afir_filter_select="fft"
3173 amovie_filter_deps="avcodec avformat"
3174 aresample_filter_deps="swresample"
3175 ass_filter_deps="libass"
3176 atempo_filter_deps="avcodec"
3177 atempo_filter_select="rdft"
3178 azmq_filter_deps="libzmq"
3179 blackframe_filter_deps="gpl"
3180 boxblur_filter_deps="gpl"
3181 bs2b_filter_deps="libbs2b"
3182 colormatrix_filter_deps="gpl"
3183 coreimage_filter_deps="coreimage appkit"
3184 coreimage_filter_extralibs="-framework OpenGL"
3185 coreimagesrc_filter_deps="coreimage appkit"
3186 coreimagesrc_filter_extralibs="-framework OpenGL"
3187 cover_rect_filter_deps="avcodec avformat gpl"
3188 cropdetect_filter_deps="gpl"
3189 deinterlace_qsv_filter_deps="libmfx"
3190 deinterlace_vaapi_filter_deps="vaapi"
3191 delogo_filter_deps="gpl"
3192 deshake_filter_select="pixelutils"
3193 deshake_filter_suggest="opencl"
3194 drawtext_filter_deps="libfreetype"
3195 drawtext_filter_suggest="libfontconfig libfribidi"
3196 elbg_filter_deps="avcodec"
3197 eq_filter_deps="gpl"
3198 fftfilt_filter_deps="avcodec"
3199 fftfilt_filter_select="rdft"
3200 find_rect_filter_deps="avcodec avformat gpl"
3201 firequalizer_filter_deps="avcodec"
3202 firequalizer_filter_select="rdft"
3203 flite_filter_deps="libflite"
3204 framerate_filter_select="pixelutils"
3205 frei0r_filter_deps="frei0r libdl"
3206 frei0r_src_filter_deps="frei0r libdl"
3207 fspp_filter_deps="gpl"
3208 geq_filter_deps="gpl"
3209 histeq_filter_deps="gpl"
3210 hqdn3d_filter_deps="gpl"
3211 interlace_filter_deps="gpl"
3212 kerndeint_filter_deps="gpl"
3213 ladspa_filter_deps="ladspa libdl"
3214 mcdeint_filter_deps="avcodec gpl"
3215 movie_filter_deps="avcodec avformat"
3216 mpdecimate_filter_deps="gpl"
3217 mpdecimate_filter_select="pixelutils"
3218 mptestsrc_filter_deps="gpl"
3219 negate_filter_deps="lut_filter"
3220 nnedi_filter_deps="gpl"
3221 ocr_filter_deps="libtesseract"
3222 ocv_filter_deps="libopencv"
3223 owdenoise_filter_deps="gpl"
3224 pan_filter_deps="swresample"
3225 perspective_filter_deps="gpl"
3226 phase_filter_deps="gpl"
3227 pp7_filter_deps="gpl"
3228 pp_filter_deps="gpl postproc"
3229 pullup_filter_deps="gpl"
3230 removelogo_filter_deps="avcodec avformat swscale"
3231 repeatfields_filter_deps="gpl"
3232 resample_filter_deps="avresample"
3233 rubberband_filter_deps="librubberband"
3234 sab_filter_deps="gpl swscale"
3235 scale2ref_filter_deps="swscale"
3236 scale_filter_deps="swscale"
3237 scale_qsv_filter_deps="libmfx"
3238 select_filter_select="pixelutils"
3239 showcqt_filter_deps="avcodec avformat swscale"
3240 showcqt_filter_suggest="libfontconfig libfreetype"
3241 showcqt_filter_select="fft"
3242 showfreqs_filter_deps="avcodec"
3243 showfreqs_filter_select="fft"
3244 showspectrum_filter_deps="avcodec"
3245 showspectrum_filter_select="fft"
3246 showspectrumpic_filter_deps="avcodec"
3247 showspectrumpic_filter_select="fft"
3248 signature_filter_deps="gpl avcodec avformat"
3249 smartblur_filter_deps="gpl swscale"
3250 sofalizer_filter_deps="libmysofa avcodec"
3251 sofalizer_filter_select="fft"
3252 spectrumsynth_filter_deps="avcodec"
3253 spectrumsynth_filter_select="fft"
3254 spp_filter_deps="gpl avcodec"
3255 spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"
3256 stereo3d_filter_deps="gpl"
3257 subtitles_filter_deps="avformat avcodec libass"
3258 super2xsai_filter_deps="gpl"
3259 pixfmts_super2xsai_test_deps="super2xsai_filter"
3260 tinterlace_filter_deps="gpl"
3261 tinterlace_merge_test_deps="tinterlace_filter"
3262 tinterlace_pad_test_deps="tinterlace_filter"
3263 tonemap_filter_deps="const_nan"
3264 uspp_filter_deps="gpl avcodec"
3265 unsharp_filter_suggest="opencl"
3266 vaguedenoiser_filter_deps="gpl"
3267 vidstabdetect_filter_deps="libvidstab"
3268 vidstabtransform_filter_deps="libvidstab"
3269 libvmaf_filter_deps="libvmaf"
3270 zmq_filter_deps="libzmq"
3271 zoompan_filter_deps="swscale"
3272 zscale_filter_deps="libzimg const_nan"
3273 scale_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
3276 avio_dir_cmd_deps="avformat avutil"
3277 avio_reading_deps="avformat avcodec avutil"
3278 decode_audio_example_deps="avcodec avutil"
3279 decode_video_example_deps="avcodec avutil"
3280 demuxing_decoding_example_deps="avcodec avformat avutil"
3281 encode_audio_example_deps="avcodec avutil"
3282 encode_video_example_deps="avcodec avutil"
3283 extract_mvs_example_deps="avcodec avformat avutil"
3284 filter_audio_example_deps="avfilter avutil"
3285 filtering_audio_example_deps="avfilter avcodec avformat avutil"
3286 filtering_video_example_deps="avfilter avcodec avformat avutil"
3287 http_multiclient_example_deps="avformat avutil fork"
3288 hw_decode_example_deps="avcodec avformat avutil"
3289 metadata_example_deps="avformat avutil"
3290 muxing_example_deps="avcodec avformat avutil swscale"
3291 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder"
3292 remuxing_example_deps="avcodec avformat avutil"
3293 resampling_audio_example_deps="avutil swresample"
3294 scaling_video_example_deps="avutil swscale"
3295 transcode_aac_example_deps="avcodec avformat swresample"
3296 transcoding_example_deps="avfilter avcodec avformat avutil"
3299 cpu_init_extralibs="pthreads_extralibs"
3300 cws2fws_extralibs="zlib_extralibs"
3302 # libraries, in linking order
3303 avcodec_deps="avutil"
3304 avcodec_suggest="libm"
3305 avcodec_select="null_bsf"
3306 avdevice_deps="avformat avcodec avutil"
3307 avdevice_suggest="libm"
3308 avfilter_deps="avutil"
3309 avfilter_suggest="libm"
3310 avformat_deps="avcodec avutil"
3311 avformat_suggest="libm network zlib"
3312 avresample_deps="avutil"
3313 avresample_suggest="libm"
3314 avutil_suggest="clock_gettime libm libdrm libmfx opencl user32 vaapi videotoolbox corefoundation corevideo coremedia wincrypt"
3315 postproc_deps="avutil gpl"
3316 postproc_suggest="libm"
3317 swresample_deps="avutil"
3318 swresample_suggest="libm libsoxr"
3319 swscale_deps="avutil"
3320 swscale_suggest="libm"
3322 avcodec_extralibs="pthreads_extralibs iconv_extralibs"
3323 avfilter_extralibs="pthreads_extralibs"
3324 avutil_extralibs="nanosleep_extralibs pthreads_extralibs vaapi_drm_extralibs vaapi_x11_extralibs vdpau_x11_extralibs"
3327 ffmpeg_deps="avcodec avfilter avformat swresample"
3328 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
3331 ffmpeg_suggest="ole32 psapi shell32"
3332 ffplay_deps="avcodec avformat swscale swresample sdl2"
3333 ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"
3334 ffplay_suggest="shell32"
3335 ffprobe_deps="avcodec avformat"
3336 ffprobe_suggest="shell32"
3337 ffserver_deps="avformat fork sarestart"
3338 ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
3341 podpages_deps="perl"
3342 manpages_deps="perl pod2man"
3343 htmlpages_deps="perl"
3344 htmlpages_deps_any="makeinfo_html texi2html"
3345 txtpages_deps="perl makeinfo"
3346 doc_deps_any="manpages htmlpages podpages txtpages"
3348 # default parameters
3350 logfile="ffbuild/config.log"
3352 # installation paths
3353 prefix_default="/usr/local"
3354 bindir_default='${prefix}/bin'
3355 datadir_default='${prefix}/share/ffmpeg'
3356 docdir_default='${prefix}/share/doc/ffmpeg'
3357 incdir_default='${prefix}/include'
3358 libdir_default='${prefix}/lib'
3359 mandir_default='${prefix}/share/man'
3365 host_cc_default="gcc"
3366 doxygen_default="doxygen"
3368 ln_s_default="ln -s -f"
3370 pkg_config_default=pkg-config
3371 ranlib_default="ranlib"
3372 strip_default="strip"
3373 version_script='--version-script'
3374 x86asmexe_default="nasm"
3375 windres_default="windres"
3377 nvccflags_default="-gencode arch=compute_30,code=sm_30 -O2"
3381 target_os_default=$(tolower $(uname -s))
3382 host_os=$target_os_default
3385 if test "$target_os_default" = aix; then
3386 arch_default=$(uname -p)
3387 strip_default="strip -X32_64"
3389 arch_default=$(uname -m)
3394 # configurable options
3395 enable $PROGRAM_LIST
3396 enable $DOCUMENT_LIST
3397 enable $EXAMPLE_LIST
3398 enable $(filter_out avresample $LIBRARY_LIST)
3404 enable faan faandct faanidct
3405 enable optimizations
3406 enable runtime_cpudetect
3407 enable safe_bitstream_reader
3409 enable swscale_alpha
3410 enable valgrind_backtrace
3412 sws_max_filter_size_default=256
3413 set_default sws_max_filter_size
3415 # internal components are enabled by default
3416 enable $EXTRALIBS_LIST
3418 # Avoid external, non-system, libraries getting enabled by dependency resolution
3419 disable $EXTERNAL_LIBRARY_LIST $HWACCEL_LIBRARY_LIST
3422 SHFLAGS='-shared -Wl,-soname,$$(@F)'
3425 FULLNAME='$(NAME)$(BUILDSUF)'
3426 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
3429 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
3430 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
3431 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
3432 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
3433 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
3434 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
3435 VERSION_SCRIPT_POSTPROCESS_CMD="cat"
3462 host_extralibs='-lm'
3463 host_cflags_filter=echo
3464 host_ldflags_filter=echo
3466 target_path='$(CURDIR)'
3468 # since the object filename is not given with the -MM flag, the compiler
3469 # is only able to print the basename, and we must add the path ourselves
3470 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>/dev/null | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(@F),$(@D)/$(@F)," > $(@:.o=.d)'
3476 if test -f configure; then
3479 source_path=$(cd $(dirname "$0"); pwd)
3480 case "$source_path" in
3481 *[[:blank:]]*) die "Out of tree builds are impossible with whitespace in source path." ;;
3483 test -e "$source_path/config.h" &&
3484 die "Out of tree builds are impossible with config.h in source dir."
3491 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
3497 file=$source_path/$3
3498 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
3501 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
3502 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
3503 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
3504 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
3505 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
3506 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
3507 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
3508 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
3509 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
3511 find_things_extern(){
3514 file=$source_path/$3
3515 sed -n "s/^[^#]*extern.*$pattern *ff_\([^ ]*\)_$thing;/\1_$thing/p" "$file"
3518 BSF_LIST=$(find_things_extern bsf AVBitStreamFilter libavcodec/bitstream_filters.c)
3519 PROTOCOL_LIST=$(find_things_extern protocol URLProtocol libavformat/protocols.c)
3521 AVCODEC_COMPONENTS_LIST="
3529 AVDEVICE_COMPONENTS_LIST="
3534 AVFILTER_COMPONENTS_LIST="
3538 AVFORMAT_COMPONENTS_LIST="
3545 $AVCODEC_COMPONENTS_LIST
3546 $AVDEVICE_COMPONENTS_LIST
3547 $AVFILTER_COMPONENTS_LIST
3548 $AVFORMAT_COMPONENTS_LIST
3551 for n in $COMPONENT_LIST; do
3552 v=$(toupper ${n%s})_LIST
3554 eval ${n}_if_any="\$$v"
3557 enable $ARCH_EXT_LIST
3560 echo "Unknown option \"$1\"."
3561 echo "See $0 --help for available options."
3565 print_in_columns() {
3566 cols=$(expr $ncols / 24)
3567 cat | tr ' ' '\n' | sort | pr -r "-$cols" -w $ncols -t
3573 echo $* | sed s/$suffix//g | print_in_columns
3585 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
3586 echo "prob ${prob:-0.5}"
3594 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
3595 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
3604 --extra-ldexeflags=*)
3605 add_ldexeflags $optval
3607 --extra-ldlibflags=*)
3608 add_ldlibflags $optval
3611 add_extralibs $optval
3614 disable $INDEV_LIST $OUTDEV_LIST
3617 debuglevel="$optval"
3620 disable $PROGRAM_LIST
3622 --disable-everything)
3623 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3626 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3627 disable $LIBRARY_LIST $PROGRAM_LIST doc
3630 --enable-random|--disable-random)
3631 action=${opt%%-random}
3632 do_random ${action#--} $COMPONENT_LIST
3634 --enable-random=*|--disable-random=*)
3635 action=${opt%%-random=*}
3636 do_random ${action#--} $optval
3641 --enable-*=*|--disable-*=*)
3642 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
3643 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
3644 eval list=\$$(toupper $thing)_LIST
3645 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
3646 list=$(filter "$name" $list)
3647 [ "$list" = "" ] && warn "Option $opt did not match anything"
3650 --enable-yasm|--disable-yasm)
3651 warn "The ${opt} option is only provided for compatibility and will be\n"\
3652 "removed in the future. Use --enable-x86asm / --disable-x86asm instead."
3653 test $opt = --enable-yasm && x86asm=yes || x86asm=no
3656 warn "The --yasmexe option is only provided for compatibility and will be\n"\
3657 "removed in the future. Use --x86asmexe instead."
3660 --enable-?*|--disable-?*)
3661 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
3662 if is_in $option $COMPONENT_LIST; then
3663 test $action = disable && action=unset
3664 eval $action \$$(toupper ${option%s})_LIST
3665 elif is_in $option $CMDLINE_SELECT; then
3672 NAME="${opt#--list-}"
3673 is_in $NAME $COMPONENT_LIST || die_unknown $opt
3675 eval show_list $NAME \$$(toupper $NAME)_LIST
3677 --help|-h) show_help
3679 --quiet|-q) quiet=yes
3681 --fatal-warnings) enable fatal_warnings
3684 libfuzzer_path="$optval"
3687 optname="${opt%%=*}"
3688 optname="${optname#--}"
3689 optname=$(echo "$optname" | sed 's/-/_/g')
3690 if is_in $optname $CMDLINE_SET; then
3691 eval $optname='$optval'
3692 elif is_in $optname $CMDLINE_APPEND; then
3693 append $optname "$optval"
3705 if disabled autodetect; then
3707 # Unless iconv is explicitely disabled by the user, we still want to probe
3708 # for the iconv from the libc.
3709 disabled iconv || enable libc_iconv
3711 disable_weak $EXTERNAL_AUTODETECT_LIBRARY_LIST
3712 disable_weak $HWACCEL_AUTODETECT_LIBRARY_LIST
3714 # Mark specifically enabled, but normally autodetected libraries as requested.
3715 for lib in $AUTODETECT_LIBS; do
3716 enabled $lib && request $lib
3718 #TODO: switch to $AUTODETECT_LIBS when $THREADS_LIST is supported the same way
3719 enable_weak $EXTERNAL_AUTODETECT_LIBRARY_LIST
3720 enable_weak $HWACCEL_AUTODETECT_LIBRARY_LIST
3722 disabled logging && logfile=/dev/null
3724 die_license_disabled() {
3725 enabled $1 || { enabled $v && die "$v is $1 and --enable-$1 is not specified."; }
3728 die_license_disabled_gpl() {
3729 enabled $1 || { enabled $v && die "$v is incompatible with the gpl and --enable-$1 is not specified."; }
3732 map "die_license_disabled gpl" $EXTERNAL_LIBRARY_GPL_LIST $EXTERNAL_LIBRARY_GPLV3_LIST
3733 map "die_license_disabled version3" $EXTERNAL_LIBRARY_VERSION3_LIST $EXTERNAL_LIBRARY_GPLV3_LIST
3735 enabled gpl && map "die_license_disabled_gpl nonfree" $EXTERNAL_LIBRARY_NONFREE_LIST
3736 map "die_license_disabled nonfree" $HWACCEL_LIBRARY_NONFREE_LIST
3738 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3740 enabled_all gnutls openssl &&
3741 die "GnuTLS and OpenSSL must not be enabled at the same time."
3743 # Disable all the library-specific components if the library itself
3744 # is disabled, see AVCODEC_LIST and following _LIST variables.
3746 disable_components(){
3747 disabled ${1} && disable $(
3748 eval components="\$$(toupper ${1})_COMPONENTS"
3749 map 'eval echo \${$(toupper ${v%s})_LIST}' $components
3753 map 'disable_components $v' $LIBRARY_LIST
3755 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
3758 test -n "$valgrind" && toolchain="valgrind-memcheck"
3760 enabled ossfuzz && {
3761 add_cflags -fsanitize=address,undefined -fsanitize-coverage=trace-pc-guard,trace-cmp -fno-omit-frame-pointer
3762 add_ldflags -fsanitize=address,undefined -fsanitize-coverage=trace-pc-guard,trace-cmp
3765 case "$toolchain" in
3767 cc_default="${toolchain%-asan}"
3768 add_cflags -fsanitize=address
3769 add_ldflags -fsanitize=address
3772 cc_default="${toolchain%-msan}"
3773 add_cflags -fsanitize=memory -fsanitize-memory-track-origins
3774 add_ldflags -fsanitize=memory
3777 cc_default="${toolchain%-tsan}"
3778 add_cflags -fsanitize=thread -fPIE
3779 add_ldflags -fsanitize=thread -pie
3780 case "$toolchain" in
3788 cc_default="${toolchain%-usan}"
3789 add_cflags -fsanitize=undefined
3790 add_ldflags -fsanitize=undefined
3793 target_exec_default="valgrind"
3794 case "$toolchain" in
3796 target_exec_args="--tool=massif --alloc-fn=av_malloc --alloc-fn=av_mallocz --alloc-fn=av_calloc --alloc-fn=av_fast_padded_malloc --alloc-fn=av_fast_malloc --alloc-fn=av_realloc_f --alloc-fn=av_fast_realloc --alloc-fn=av_realloc"
3799 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
3804 # Check whether the current MSVC version needs the C99 converter.
3805 # From MSVC 2013 (compiler major version 18) onwards, it does actually
3806 # support enough of C99 to build ffmpeg. Default to the new
3807 # behaviour if the regexp was unable to match anything, since this
3808 # successfully parses the version number of existing supported
3809 # versions that require the converter (MSVC 2010 and 2012).
3810 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
3811 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
3815 cc_default="c99wrap cl"
3816 cxx_default="c99wrap cl"
3818 ld_default="$source_path/compat/windows/mslink"
3819 nm_default="dumpbin -symbols"
3826 target_os_default="win32"
3827 # Use a relative path for TMPDIR. This makes sure all the
3828 # ffconf temp files are written with a relative path, avoiding
3829 # issues with msys/win32 path conversion for MSVC parameters
3830 # such as -Fo<file> or -out:<file>.
3836 nm_default="dumpbin -symbols"
3838 target_os_default="win32"
3842 add_cflags -fprofile-arcs -ftest-coverage
3843 add_ldflags -fprofile-arcs -ftest-coverage
3846 add_cflags -fprofile-arcs -ftest-coverage
3847 add_ldflags --coverage
3850 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
3851 add_cflags -fno-strict-overflow -fstack-protector-all
3852 add_ldflags -Wl,-z,relro -Wl,-z,now
3854 add_ldexeflags -fPIE -pie
3857 die "Unknown toolchain $toolchain"
3861 test -n "$cross_prefix" && enable cross_compile
3863 if enabled cross_compile; then
3864 test -n "$arch" && test -n "$target_os" ||
3865 die "Must specify target arch (--arch) and OS (--target-os) when cross-compiling"
3868 ar_default="${cross_prefix}${ar_default}"
3869 cc_default="${cross_prefix}${cc_default}"
3870 cxx_default="${cross_prefix}${cxx_default}"
3871 nm_default="${cross_prefix}${nm_default}"
3872 pkg_config_default="${cross_prefix}${pkg_config_default}"
3873 if ${cross_prefix}${ranlib_default} 2>&1 | grep -q "\-D "; then
3874 ranlib_default="${cross_prefix}${ranlib_default} -D"
3876 ranlib_default="${cross_prefix}${ranlib_default}"
3878 strip_default="${cross_prefix}${strip_default}"
3879 windres_default="${cross_prefix}${windres_default}"
3881 sysinclude_default="${sysroot}/usr/include"
3883 set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \
3884 target_exec target_os x86asmexe nvcc
3885 enabled cross_compile || host_cc_default=$cc
3888 pkg_config_fail_message=""
3889 if ! $pkg_config --version >/dev/null 2>&1; then
3890 warn "$pkg_config not found, library detection may fail."
3892 elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then
3893 pkg_config_fail_message="
3894 Note: When building a static binary, add --pkg-config-flags=\"--static\"."
3897 if test $doxygen != $doxygen_default && \
3898 ! $doxygen --version >/dev/null 2>&1; then
3899 warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."
3904 mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
3908 EXESUF=$(exesuf $target_os)
3909 HOSTEXESUF=$(exesuf $host_os)
3911 # set temporary file name
3912 : ${TMPDIR:=$TEMPDIR}
3916 if [ -n "$tempprefix" ] ; then
3918 tmpname="$tempprefix.${HOSTNAME}.${UID}"
3922 elif ! check_cmd mktemp -u XXXXXX; then
3923 # simple replacement for missing mktemp
3924 # NOT SAFE FOR GENERAL USE
3926 tmpname="${2%%XXX*}.${HOSTNAME}.${UID}.$$"
3932 FFTMPDIR=$(mktemp -d "${TMPDIR}/ffconf.XXXXXXXX" 2> /dev/null) ||
3933 die "Unable to create temporary directory in $TMPDIR."
3936 tmp="${FFTMPDIR}/test"$2
3937 (set -C; exec > $tmp) 2> /dev/null ||
3938 die "Unable to create temporary file in $FFTMPDIR."
3942 trap 'rm -rf -- "$FFTMPDIR"' EXIT
3948 tmpfile TMPE $EXESUF
3960 # make sure we can execute files in $TMPDIR
3961 cat > $TMPSH 2>> $logfile <<EOF
3964 chmod +x $TMPSH >> $logfile 2>&1
3965 if ! $TMPSH >> $logfile 2>&1; then
3967 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
3968 variable to another directory and make sure that it is not mounted noexec.
3970 die "Sanity test failed."
3976 # Filter out MSVC cl.exe options from cflags that shouldn't
3977 # be passed to gas-preprocessor
3987 -std=c99) echo -c99 ;;
3988 -mcpu=*) echo -arch ${flag#*=} ;;
3989 -mieee) echo -ieee ;;
3990 -O*|-fast) echo $flag ;;
3991 -fno-math-errno) echo -assume nomath_errno ;;
3993 -Wall) echo -msg_enable level2 ;;
3994 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
3995 -Wl,*) echo $flag ;;
4005 -Wno-switch) echo -Wno-switch-enum ;;
4006 -Wno-format-zero-length) ;;
4007 -Wdisabled-optimization) ;;
4008 -Wno-pointer-sign) echo -Wno-other ;;
4014 msvc_common_flags(){
4017 # In addition to specifying certain flags under the compiler
4018 # specific filters, they must be specified here as well or else the
4019 # generic catch all at the bottom will print the original flag.
4024 -fomit-frame-pointer) ;;
4028 -fno-signed-zeros) ;;
4032 -lz) echo zlib.lib ;;
4033 -lx264) echo libx264.lib ;;
4035 -l*) echo ${flag#-l}.lib ;;
4036 -LARGEADDRESSAWARE) echo $flag ;;
4037 -L*) echo -libpath:${flag#-L} ;;
4044 msvc_common_flags "$@"
4047 -Wall) echo -W3 -wd4018 -wd4146 -wd4244 -wd4305 \
4049 -Wextra) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
4050 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
4051 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
4053 -wd4273 -wd4554 -wd4701 -wd4703 ;;
4059 msvc_common_flags "$@"
4062 # Despite what Intel's documentation says -Wall, which is supported
4063 # on Windows, does enable remarks so disable them here.
4064 -Wall) echo $flag -Qdiag-disable:remark ;;
4065 -std=c99) echo -Qstd=c99 ;;
4083 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
4084 -fomit-frame-pointer) echo -Mnoframe ;;
4095 case "${flag#*=}" in
4096 native) echo -xtarget=native ;;
4097 v9|niagara) echo -xarch=sparc ;;
4098 ultrasparc) echo -xarch=sparcvis ;;
4099 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
4100 i586|pentium) echo -xchip=pentium ;;
4101 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
4102 pentium3*|c3-2) echo -xtarget=pentium3 ;;
4103 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
4104 pentium4*) echo -xtarget=pentium4 ;;
4105 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
4106 *-sse3) echo -xarch=sse3 ;;
4107 core2) echo -xarch=ssse3 -xchip=core2 ;;
4108 bonnell) echo -xarch=ssse3 ;;
4109 corei7|nehalem) echo -xtarget=nehalem ;;
4110 westmere) echo -xtarget=westmere ;;
4111 silvermont) echo -xarch=sse4_2 ;;
4112 corei7-avx|sandybridge) echo -xtarget=sandybridge ;;
4113 core-avx*|ivybridge|haswell|broadwell|skylake*|knl)
4115 amdfam10|barcelona) echo -xtarget=barcelona ;;
4116 btver1) echo -xarch=amdsse4a ;;
4117 btver2|bdver*|znver*) echo -xarch=avx ;;
4118 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
4119 k8|opteron|athlon64|athlon-fx)
4120 echo -xarch=sse2a ;;
4121 athlon*) echo -xarch=pentium_proa ;;
4124 -std=c99) echo -xc99 ;;
4125 -fomit-frame-pointer) echo -xregs=frameptr ;;
4126 -fPIC) echo -KPIC -xcode=pic32 ;;
4127 -W*,*) echo $flag ;;
4128 -f*-*|-W*|-mimpure-text) ;;
4139 case "${flag#*=}" in
4140 armv7-a|cortex-a*) echo -mv=7a8 ;;
4141 armv7-r|cortex-r*) echo -mv=7r4 ;;
4142 armv7-m|cortex-m*) echo -mv=7m3 ;;
4143 armv6*|arm11*) echo -mv=6 ;;
4144 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
4146 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
4149 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
4150 -mfpu=vfp) echo --float_support=vfpv2 ;;
4151 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
4152 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
4153 -msoft-float) echo --float_support=vfplib ;;
4154 -O[0-3]|-mf=*) echo $flag ;;
4156 -pds=*) echo $flag ;;
4157 -D*|-I*) echo $flag ;;
4158 --gcc|--abi=*) echo $flag ;;
4169 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
4170 unset _ld_o _ldflags _ld_lib _ld_path
4171 unset _depflags _DEPCMD _DEPFLAGS
4174 if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
4175 true # no-op to avoid reading stdin in following checks
4176 elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
4178 gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')
4179 _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"
4180 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4183 elif $_cc -v 2>&1 | grep -qi ^gcc; then
4185 gcc_version=$($_cc --version | head -n1)
4186 gcc_basever=$($_cc -dumpversion)
4187 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
4188 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
4189 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
4190 case $gcc_basever in
4193 *) _depflags='-MMD -MF $(@:.o=.d) -MT $@' ;;
4195 if [ "$first" = true ]; then
4196 case $gcc_basever in
4198 warn "gcc 4.2 is outdated and may miscompile FFmpeg. Please use a newer compiler." ;;
4203 elif $_cc --version 2>/dev/null | grep -q ^icc; then
4205 _ident=$($_cc --version | head -n1)
4210 _flags_filter=icc_flags
4211 elif $_cc -v 2>&1 | grep -q xlc; then
4213 _ident=$($_cc -qversion 2>/dev/null | head -n1)
4215 _cflags_size='-O5 -qcompact'
4216 elif $_cc -V 2>/dev/null | grep -q Compaq; then
4218 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
4220 _cflags_speed='-fast'
4222 _flags_filter=ccc_flags
4223 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
4224 test -d "$sysroot" || die "No valid sysroot specified."
4226 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
4227 armcc_conf="$PWD/armcc.conf"
4228 $_cc --arm_linux_configure \
4229 --arm_linux_config_file="$armcc_conf" \
4230 --configure_sysroot="$sysroot" \
4231 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
4232 die "Error creating armcc configuration file."
4233 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
4234 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
4235 as_default="${cross_prefix}gcc"
4239 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
4241 _ident=$($_cc -version | head -n1 | tr -s ' ')
4242 _flags='--gcc --abi=eabi -me'
4245 _depflags='-ppa -ppd=$(@:.o=.d)'
4246 _cflags_speed='-O3 -mf=5'
4247 _cflags_size='-O3 -mf=2'
4248 _flags_filter=tms470_flags
4249 elif $_cc -v 2>&1 | grep -q clang; then
4251 _ident=$($_cc --version 2>/dev/null | head -n1)
4252 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4255 elif $_cc -V 2>&1 | grep -q Sun; then
4257 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
4258 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
4259 _DEPFLAGS='-xM1 -xc99'
4262 _cflags_size='-O5 -xspace'
4263 _flags_filter=suncc_flags
4264 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
4266 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
4267 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4270 _flags_filter='filter_out -Wdisabled-optimization'
4271 elif $_cc -v 2>&1 | grep -q Open64; then
4273 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
4274 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4277 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
4278 elif $_cc -V 2>&1 | grep -q Portland; then
4280 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
4281 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
4282 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
4283 _cflags_size="-O2 -Munroll=c:1 $opt_common"
4285 _flags_filter=pgi_flags
4286 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
4288 _ident=$($_cc | head -n1)
4289 # 4509: "This form of conditional instruction is deprecated"
4290 _flags="-nologo -ignore 4509"
4291 _flags_filter=armasm_flags
4292 elif $_cc 2>&1 | grep -q Intel; then
4294 _ident=$($_cc 2>&1 | head -n1)
4295 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
4296 # Not only is O3 broken on 13.x+ but it is slower on all previous
4297 # versions (tested) as well.
4299 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
4300 if $_cc 2>&1 | grep -q Linker; then
4307 _flags_filter=icl_flags
4309 _ld_path='-libpath:'
4310 # -Qdiag-error to make icl error when seeing certain unknown arguments
4311 _flags='-nologo -Qdiag-error:4044,10157'
4312 # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency
4313 # with MSVC which enables it by default.
4314 _cflags='-Qms0 -Qvec- -Qsimd- -GS -fp:precise'
4316 elif $_cc -? 2>/dev/null | grep -q 'LLVM.*Linker'; then
4317 # lld can emulate multiple different linkers; in ms link.exe mode,
4318 # the -? parameter gives the help output which contains an identifyable
4319 # string, while it gives an error in other modes.
4321 # The link.exe mode doesn't have a switch for getting the version,
4322 # but we can force it back to gnu mode and get the version from there.
4323 _ident=$($_cc -flavor gnu --version 2>/dev/null)
4325 _flags_filter=msvc_flags
4327 _ld_path='-libpath:'
4328 elif $_cc -nologo- 2>&1 | grep -q Microsoft; then
4330 _ident=$($_cc 2>&1 | head -n1)
4331 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
4332 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
4336 if $_cc -nologo- 2>&1 | grep -q Linker; then
4343 _flags_filter=msvc_flags
4345 _ld_path='-libpath:'
4348 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
4350 _ident=$($_cc --version | head -n1)
4354 _flags_filter=cparser_flags
4357 eval ${pfx}_type=\$_type
4358 eval ${pfx}_ident=\$_ident
4362 eval ${1}_C=\${_cc_c-\${${1}_C}}
4363 eval ${1}_E=\${_cc_e-\${${1}_E}}
4364 eval ${1}_O=\${_cc_o-\${${1}_O}}
4366 if [ -n "$_depflags" ]; then
4367 eval ${1}_DEPFLAGS=\$_depflags
4369 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
4370 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
4371 eval DEP${1}FLAGS=\$_flags
4375 probe_cc cc "$cc" "true"
4376 cflags_filter=$_flags_filter
4377 cflags_speed=$_cflags_speed
4378 cflags_size=$_cflags_size
4379 cflags_noopt=$_cflags_noopt
4380 add_cflags $_flags $_cflags
4381 cc_ldflags=$_ldflags
4385 probe_cc hostcc "$host_cc"
4386 host_cflags_filter=$_flags_filter
4387 host_cflags_speed=$_cflags_speed
4388 add_host_cflags $_flags $_cflags
4391 test -n "$cc_type" && enable $cc_type ||
4392 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
4394 : ${as_default:=$cc}
4395 : ${objcc_default:=$cc}
4396 : ${dep_cc_default:=$cc}
4397 : ${ld_default:=$cc}
4398 : ${host_ld_default:=$host_cc}
4399 set_default ar as objcc dep_cc ld ln_s host_ld windres
4402 asflags_filter=$_flags_filter
4403 add_asflags $_flags $_cflags
4406 probe_cc objcc "$objcc"
4407 objcflags_filter=$_flags_filter
4408 add_objcflags $_flags $_cflags
4412 ldflags_filter=$_flags_filter
4413 add_ldflags $_flags $_ldflags
4414 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
4416 LD_LIB=${_ld_lib-$LD_LIB}
4417 LD_PATH=${_ld_path-$LD_PATH}
4419 probe_cc hostld "$host_ld"
4420 host_ldflags_filter=$_flags_filter
4421 add_host_ldflags $_flags $_ldflags
4422 HOSTLD_O=${_ld_o-$HOSTLD_O}
4424 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
4425 probe_cc depcc "$dep_cc"
4426 CCDEP=${_DEPCMD:-$DEPCMD}
4427 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
4431 if $ar 2>&1 | grep -q Microsoft; then
4434 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
4437 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
4438 arflags='-Xany -r -c'
4440 elif $ar 2>&1 | grep -q "\[D\] "; then
4448 add_cflags $extra_cflags
4449 add_cxxflags $extra_cxxflags
4450 add_objcflags $extra_objcflags
4451 add_asflags $extra_cflags
4453 if test -n "$sysroot"; then
4456 add_cppflags --sysroot="$sysroot"
4457 add_ldflags --sysroot="$sysroot"
4458 # On Darwin --sysroot may be ignored, -isysroot always affects headers and linking
4459 add_cppflags -isysroot "$sysroot"
4460 add_ldflags -isysroot "$sysroot"
4463 add_cppflags -I"$sysinclude"
4464 add_ldflags --sysroot="$sysroot"
4469 if test "$cpu" = host; then
4470 enabled cross_compile &&
4471 die "--cpu=host makes no sense when cross-compiling."
4476 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
4478 s/.*$1=\\([^ ]*\\).*/\\1/
4483 cpu=$(check_native -march || check_native -mcpu)
4487 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
4488 sed -n "/cc1.*-target-cpu /{
4489 s/.*-target-cpu \\([^ ]*\\).*/\\1/
4494 cpu=$(check_native -march)
4498 test "${cpu:-host}" = host &&
4499 die "--cpu=host not supported with compiler $cc"
4502 # Deal with common $arch aliases
4526 "Power Macintosh"|ppc*|powerpc*)
4541 i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
4546 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
4549 # Add processor-specific flags
4550 if enabled aarch64; then
4554 cpuflags="-march=$cpu"
4557 cpuflags="-mcpu=$cpu"
4561 elif enabled alpha; then
4563 cpuflags="-mcpu=$cpu"
4565 elif enabled arm; then
4568 check_cpp_condition stddef.h \
4569 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
4574 if check_arm_arch 4; then echo armv4
4575 elif check_arm_arch 4T; then echo armv4t
4576 elif check_arm_arch 5; then echo armv5
4577 elif check_arm_arch 5E; then echo armv5e
4578 elif check_arm_arch 5T; then echo armv5t
4579 elif check_arm_arch 5TE; then echo armv5te
4580 elif check_arm_arch 5TEJ; then echo armv5te
4581 elif check_arm_arch 6; then echo armv6
4582 elif check_arm_arch 6J; then echo armv6j
4583 elif check_arm_arch 6K; then echo armv6k
4584 elif check_arm_arch 6Z; then echo armv6z
4585 elif check_arm_arch 6ZK; then echo armv6zk
4586 elif check_arm_arch 6T2; then echo armv6t2
4587 elif check_arm_arch 7; then echo armv7
4588 elif check_arm_arch 7A 7_A; then echo armv7-a
4589 elif check_arm_arch 7S; then echo armv7-a
4590 elif check_arm_arch 7R 7_R; then echo armv7-r
4591 elif check_arm_arch 7M 7_M; then echo armv7-m
4592 elif check_arm_arch 7EM 7E_M; then echo armv7-m
4593 elif check_arm_arch 8A 8_A; then echo armv8-a
4597 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
4601 cpuflags="-march=$cpu"
4602 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
4605 cpuflags="-mcpu=$cpu"
4607 cortex-a*) subarch=armv7a ;;
4608 cortex-r*) subarch=armv7r ;;
4609 cortex-m*) enable thumb; subarch=armv7m ;;
4610 arm11*) subarch=armv6 ;;
4611 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
4612 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
4613 *) subarch=$(probe_arm_arch) ;;
4619 armv5t*) enable fast_clz ;;
4622 disabled fast_unaligned || enable fast_unaligned
4626 elif enabled avr32; then
4631 cpuflags="-mpart=$cpu"
4635 cpuflags="-march=$cpu"
4639 cpuflags="-mcpu=$cpu"
4643 cpuflags="-march=$cpu"
4647 elif enabled bfin; then
4649 cpuflags="-mcpu=$cpu"
4651 elif enabled mips; then
4653 cpuflags="-march=$cpu"
4655 if [ "$cpu" != "generic" ]; then
4665 24kc|24kf*|24kec|34kc|1004kc|24kef*|34kf*|1004kf*|74kc|74kf)
4676 enable local_aligned
4677 enable simd_align_16
4681 enable fast_unaligned
4682 disable aligned_stack
4688 cpuflags="-march=loongson3a -mhard-float -fno-expensive-optimizations"
4691 cpuflags="-march=loongson2e -mhard-float -fno-expensive-optimizations"
4694 cpuflags="-march=loongson2f -mhard-float -fno-expensive-optimizations"
4699 # Unknown CPU. Disable everything.
4700 warn "unknown CPU. Disabling all MIPS optimizations."
4723 24kef*|34kf*|1004kf*)
4731 check_cflags "-mtune=p5600" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops"
4735 check_cflags "-mtune=i6400 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64"
4739 check_cflags "-mtune=p6600 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64"
4743 # We do not disable anything. Is up to the user to disable the unwanted features.
4744 warn 'generic cpu selected'
4747 elif enabled ppc; then
4751 case $(tolower $cpu) in
4752 601|ppc601|powerpc601)
4753 cpuflags="-mcpu=601"
4756 603*|ppc603*|powerpc603*)
4757 cpuflags="-mcpu=603"
4760 604*|ppc604*|powerpc604*)
4761 cpuflags="-mcpu=604"
4764 g3|75*|ppc75*|powerpc75*)
4765 cpuflags="-mcpu=750"
4768 g4|745*|ppc745*|powerpc745*)
4769 cpuflags="-mcpu=7450"
4772 74*|ppc74*|powerpc74*)
4773 cpuflags="-mcpu=7400"
4776 g5|970|ppc970|powerpc970)
4777 cpuflags="-mcpu=970"
4781 cpuflags="-mcpu=$cpu"
4785 cpuflags="-mcpu=$cpu"
4788 cpuflags="-mcpu=cell"
4793 cpuflags="-mcpu=e500mc"
4797 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
4802 cpuflags="-mcpu=8540 -mhard-float"
4808 elif enabled sparc; then
4811 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
4812 cpuflags="-mcpu=$cpu"
4814 ultrasparc*|niagara[234])
4815 cpuflags="-mcpu=$cpu"
4819 elif enabled x86; then
4823 cpuflags="-march=$cpu"
4827 # targets that do NOT support nopl and conditional mov (cmov)
4828 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
4829 cpuflags="-march=$cpu"
4832 # targets that do support nopl and conditional mov (cmov)
4833 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\
4834 |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|skylake*|knl\
4835 |amdfam10|barcelona|b[dt]ver*|znver*)
4836 cpuflags="-march=$cpu"
4840 # targets that do support conditional mov but on which it's slow
4841 pentium4|pentium4m|prescott|nocona)
4842 cpuflags="-march=$cpu"
4850 if [ "$cpu" != generic ]; then
4851 add_cflags $cpuflags
4852 add_asflags $cpuflags
4853 test "$cc_type" = "$ld_type" && add_ldflags $cpuflags
4856 # compiler sanity check
4858 int main(void){ return 0; }
4860 if test "$?" != 0; then
4861 echo "$cc is unable to create an executable file."
4862 if test -z "$cross_prefix" && ! enabled cross_compile ; then
4863 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
4864 echo "Only do this if you know what cross compiling means."
4866 die "C compiler test failed."
4869 add_cppflags -D_ISOC99_SOURCE
4870 add_cxxflags -D__STDC_CONSTANT_MACROS
4871 check_cxxflags -std=c++11 || check_cxxflags -std=c++0x
4873 # some compilers silently accept -std=c11, so we also need to check that the
4874 # version macro is defined properly
4875 test_cflags_cc -std=c11 ctype.h "__STDC_VERSION__ >= 201112L" &&
4876 add_cflags -std=c11 ||
4877 check_cflags -std=c99
4879 check_cppflags -D_FILE_OFFSET_BITS=64
4880 check_cppflags -D_LARGEFILE_SOURCE
4882 add_host_cppflags -D_ISOC99_SOURCE
4883 check_host_cflags -std=c99
4884 check_host_cflags -Wall
4885 check_host_cflags $host_cflags_speed
4891 check_code cc "" "int test[2*($expr) - 1]" &&
4892 subarch=$arch64 || subarch=$arch32
4900 check_64bit mips mips64 '_MIPS_SIM > 1'
4904 check_64bit parisc parisc64 'sizeof(void *) > 4'
4908 check_64bit ppc ppc64 'sizeof(void *) > 4'
4912 check_64bit s390 s390x 'sizeof(void *) > 4'
4916 check_64bit sparc sparc64 'sizeof(void *) > 4'
4920 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
4921 # Treat x32 as x64 for now. Note it also needs spic=$shared
4922 test "$subarch" = "x86_32" && check_cpp_condition stddef.h 'defined(__x86_64__)' &&
4924 if test "$subarch" = "x86_64"; then
4929 check_cc <<EOF && subarch="ppc64"
4930 int test[(int)sizeof(char*) - 7];
4936 enabled spic && enable_weak pic
4938 enabled x86_64 && objformat=elf64 || objformat="elf32"
4944 add_cppflags '-I\$(SRC_PATH)/compat/aix'
4945 enabled shared && add_ldflags -Wl,-brtl
4949 enable section_data_rel_ro
4950 SLIB_INSTALL_NAME='$(SLIBNAME)'
4952 SHFLAGS='-shared -Wl,-soname,$(SLIBNAME)'
4955 prefix_default="/boot/common"
4956 network_extralibs="-lnetwork"
4960 SHFLAGS='-shared -Wl,-h,$$(@F)'
4961 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
4962 network_extralibs="-lsocket -lnsl"
4963 add_cppflags -D__EXTENSIONS__
4964 # When using suncc to build, the Solaris linker will mark
4965 # an executable with each instruction set encountered by
4966 # the Solaris assembler. As our libraries contain their own
4967 # guards for processor-specific code, instead suppress
4968 # generation of the HWCAPS ELF section on Solaris x86 only.
4969 enabled_all suncc x86 &&
4970 echo "hwcap_1 = OVERRIDE;" > mapfile &&
4971 add_ldflags -Wl,-M,mapfile
4972 nm_default='nm -P -g'
4974 VERSION_SCRIPT_POSTPROCESS_CMD='perl $(SRC_PATH)/compat/solaris/make_sunver.pl - $(OBJS)'
4978 oss_indev_extralibs="-lossaudio"
4979 oss_outdev_extralibs="-lossaudio"
4980 enabled gcc || check_ldflags -Wl,-zmuldefs
4985 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
4987 oss_indev_extralibs="-lossaudio"
4988 oss_outdev_extralibs="-lossaudio"
4996 add_extralibs -lpoll -lgnugetopt
5000 enabled ppc && add_asflags -force_cpusubtype_ALL
5001 install_name_dir_default='$(SHLIBDIR)'
5002 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(INSTALL_NAME_DIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
5003 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
5005 add_ldflags -Wl,-dynamic,-search_paths_first
5006 check_cflags -Werror=partial-availability
5008 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
5009 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
5010 enabled x86_64 && objformat="macho64" || objformat="macho32"
5011 enabled_any pic shared x86_64 ||
5012 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
5013 check_header dispatch/dispatch.h &&
5014 add_cppflags '-I\$(SRC_PATH)/compat/dispatch_semaphore'
5015 version_script='-exported_symbols_list'
5016 VERSION_SCRIPT_POSTPROCESS_CMD='tr " " "\n" | sed -n /global:/,/local:/p | grep ";" | tr ";" "\n" | sed -E "s/(.+)/_\1/g" | sed -E "s/(.+[^*])$$$$/\1*/"'
5019 die "Native MSYS builds are discouraged, please use the MINGW environment."
5022 if test $target_os = "mingw32ce"; then
5028 if enabled x86_64; then
5029 LIBTARGET="i386:x86-64"
5030 elif enabled arm; then
5033 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
5034 enabled x86_32 && check_ldflags -Wl,--large-address-aware
5035 shlibdir_default="$bindir_default"
5038 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
5039 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
5040 dlltool="${cross_prefix}dlltool"
5041 if check_cmd lib.exe -list; then
5042 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe -nologo -machine:$(LIBTARGET) -def:$$(@:$(SLIBSUF)=.def) -out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
5043 if enabled x86_64; then
5046 elif check_cmd $dlltool --version; then
5047 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
5049 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
5051 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
5052 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
5053 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--disable-auto-image-base'
5054 enabled x86_64 && objformat="win64" || objformat="win32"
5057 check_ldflags -Wl,--nxcompat,--dynamicbase
5058 # Lets work around some stupidity in binutils.
5059 # ld will strip relocations from executables even though we need them
5060 # for dynamicbase (ASLR). Using -pie does retain the reloc section
5061 # however ld then forgets what the entry point should be (oops) so we
5062 # have to manually (re)set it.
5063 if enabled x86_32; then
5064 disabled debug && add_ldexeflags -Wl,--pic-executable,-e,_mainCRTStartup
5065 elif enabled x86_64; then
5066 disabled debug && add_ldexeflags -Wl,--pic-executable,-e,mainCRTStartup
5067 check_ldflags -Wl,--high-entropy-va # binutils 2.25
5068 # Set image base >4GB for extra entropy with HEASLR
5069 add_ldexeflags -Wl,--image-base,0x140000000
5070 append SHFLAGS -Wl,--image-base,0x180000000
5075 if enabled shared; then
5076 # Link to the import library instead of the normal static library
5079 # Cannot build both shared and static libs with MSVC or icl.
5082 enabled x86_32 && check_ldflags -LARGEADDRESSAWARE
5083 shlibdir_default="$bindir_default"
5086 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
5087 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
5088 SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
5089 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
5091 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
5092 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
5093 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
5094 enabled x86_64 && objformat="win64" || objformat="win32"
5100 shlibdir_default="$bindir_default"
5103 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
5104 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
5105 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
5107 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
5108 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
5109 enabled x86_64 && objformat="win64" || objformat="win32"
5111 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
5112 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
5114 *-dos|freedos|opendos)
5115 network_extralibs="-lsocket"
5118 add_cppflags -U__STRICT_ANSI__
5121 enable section_data_rel_ro
5122 enabled_any arm aarch64 && enable_weak linux_perf
5126 ranlib="echo ignoring ranlib"
5132 add_cppflags -D_GNU_SOURCE
5133 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zhigh-mem -Zmap
5134 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
5138 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
5139 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(FULLNAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
5140 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(FULLNAME).def; \
5141 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(FULLNAME).def; \
5142 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(FULLNAME).def; \
5143 echo EXPORTS >> $(SUBDIR)$(FULLNAME).def; \
5144 emxexp $(OBJS) >> $(SUBDIR)$(FULLNAME).def'
5145 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(FULLNAME)_dll.a $(SUBDIR)$(FULLNAME).def; \
5146 emximp -o $(SUBDIR)$(LIBPREF)$(FULLNAME)_dll.lib $(SUBDIR)$(FULLNAME).def;'
5147 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
5149 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(FULLNAME)_dll.a $(LIBPREF)$(FULLNAME)_dll.lib'
5151 enable_weak os2threads
5154 add_cppflags -D_BSD_SOURCE
5159 add_cppflags -D_QNX_SOURCE
5160 network_extralibs="-lsocket"
5165 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
5166 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
5167 add_ldflags -Wl,--target1-abs,--no-undefined \
5168 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
5169 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
5170 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
5171 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
5172 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
5175 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
5182 die "Unknown OS '$target_os'."
5186 # test if creating links works
5187 link_dest=$(mktemp -u $TMPDIR/dest_XXXXXXXX)
5188 link_name=$(mktemp -u $TMPDIR/name_XXXXXXXX)
5190 $ln_s "$link_dest" "$link_name"
5191 touch "$link_dest/test_file"
5192 if [ "$source_path" != "." ] && ([ ! -d src ] || [ -L src ]) && [ -e "$link_name/test_file" ]; then
5193 # create link to source path
5194 [ -e src ] && rm src
5195 $ln_s "$source_path" src
5198 # creating directory links doesn't work
5199 # fall back to using the full source path
5200 source_link="$source_path"
5206 # determine libc flavour
5211 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
5212 if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
5213 eval ${pfx}libc_type=uclibc
5214 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
5215 elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then
5216 eval ${pfx}libc_type=glibc
5217 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
5218 # MinGW headers can be installed on Cygwin, so check for newlib first.
5219 elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
5220 eval ${pfx}libc_type=newlib
5221 add_${pfx}cppflags -U__STRICT_ANSI__ -D_XOPEN_SOURCE=600
5222 # MinGW64 is backwards compatible with MinGW32, so check for it first.
5223 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
5224 eval ${pfx}libc_type=mingw64
5225 if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then
5226 add_compat msvcrt/snprintf.o
5227 add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
5229 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
5230 eval test \$${pfx_no_}cc_type = "gcc" &&
5231 add_${pfx}cppflags -D__printf__=__gnu_printf__
5232 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" ||
5233 check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
5234 eval ${pfx}libc_type=mingw32
5235 check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
5236 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
5237 die "ERROR: MinGW32 runtime version must be >= 3.15."
5238 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
5239 check_${pfx}cpp_condition _mingw.h "__MSVCRT_VERSION__ < 0x0700" &&
5240 add_${pfx}cppflags -D__MSVCRT_VERSION__=0x0700
5241 check_${pfx}cpp_condition windows.h "defined(_WIN32_WINNT) && _WIN32_WINNT < 0x0502" &&
5242 add_${pfx}cppflags -D_WIN32_WINNT=0x0502
5243 eval test \$${pfx_no_}cc_type = "gcc" &&
5244 add_${pfx}cppflags -D__printf__=__gnu_printf__
5245 elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
5246 eval ${pfx}libc_type=msvcrt
5247 if check_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then
5248 if [ "$pfx" = host_ ]; then
5249 add_host_cppflags -Dsnprintf=_snprintf
5251 add_compat strtod.o strtod=avpriv_strtod
5252 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
5253 _snprintf=avpriv_snprintf \
5254 vsnprintf=avpriv_vsnprintf
5257 add_${pfx}cppflags -D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS
5258 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
5259 # 0x601 by default unless something else is set by the user.
5260 # This can easily lead to us detecting functions only present
5261 # in such new versions and producing binaries requiring windows 7.0.
5262 # Therefore explicitly set the default to XP unless the user has
5263 # set something else on the command line.
5264 # Don't do this if WINAPI_FAMILY is set and is set to a non-desktop
5265 # family. For these cases, configure is free to use any functions
5266 # found in the SDK headers by default. (Alternatively, we could force
5267 # _WIN32_WINNT to 0x0602 in that case.)
5268 check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||
5269 { check_${pfx}cpp <<EOF && add_${pfx}cppflags -D_WIN32_WINNT=0x0502; }
5270 #ifdef WINAPI_FAMILY
5271 #include <winapifamily.h>
5272 #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
5277 if [ "$pfx" = "" ]; then
5278 check_func strtoll || add_cflags -Dstrtoll=_strtoi64
5279 check_func strtoull || add_cflags -Dstrtoull=_strtoui64
5281 elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
5282 eval ${pfx}libc_type=klibc
5283 elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then
5284 eval ${pfx}libc_type=bionic
5285 elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then
5286 eval ${pfx}libc_type=solaris
5287 add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
5289 check_${pfx}cc <<EOF
5291 void *v = localtime_r;
5293 test "$?" != 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
5295 void *v = localtime_r;
5301 test -n "$libc_type" && enable libc_$libc_type
5303 test -n "$host_libc_type" && enable host_libc_$host_libc_type
5305 # hacks for compiler/libc/os combinations
5309 add_compat strtod.o strtod=avpriv_strtod
5312 if enabled tms470; then
5313 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
5314 add_cppflags -D__USER_LABEL_PREFIX__=
5315 add_cppflags -D__builtin_memset=memset
5316 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
5317 add_cflags -pds=48 # incompatible redefinition of macro
5318 elif enabled ccc; then
5319 add_ldflags -Wl,-z,now # calls to libots crash without this
5324 check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||
5325 add_cppflags '-I\$(SRC_PATH)/compat/float'
5328 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
5331 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" > ffbuild/config.fate
5333 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
5336 : ${shlibdir_default:="$libdir"}
5337 : ${pkgconfigdir_default:="$libdir/pkgconfig"}
5339 set_default $PATHS_LIST
5342 # we need to build at least one lib type
5343 if ! enabled_any static shared; then
5345 At least one library type must be built.
5346 Specify --enable-static to build the static libraries or --enable-shared to
5347 build the shared libraries as well. To only build the shared libraries specify
5348 --disable-static in addition to --enable-shared.
5353 disabled optimizations || enabled ossfuzz || check_cflags -fomit-frame-pointer
5356 disabled pic && return
5359 case "$target_os" in
5369 enabled pic && enable_weak_pic
5371 check_cc <<EOF || die "Symbol mangling check failed."
5374 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
5375 extern_prefix=${sym%%ff_extern*}
5377 ! disabled inline_asm && check_inline_asm inline_asm '"" ::'
5380 for restrict_keyword in restrict __restrict__ __restrict; do
5381 check_cc <<EOF && _restrict=$restrict_keyword && break
5382 void foo(char * $restrict_keyword p);
5386 check_cc <<EOF && enable pragma_deprecated
5387 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
5390 check_cc <<EOF && enable attribute_packed
5391 struct { int x; } __attribute__((packed)) x;
5394 check_cc <<EOF && enable attribute_may_alias
5395 union { int x; } __attribute__((may_alias)) x;
5398 check_cc <<EOF || die "endian test failed"
5399 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
5401 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
5403 check_cc <<EOF && enable const_nan
5405 void foo(void) { struct { double d; } static const bar[] = { { NAN } }; }
5408 if ! enabled ppc64 || enabled bigendian; then
5413 log "check_gas using '$as' as AS"
5414 # :vararg is used on aarch64, arm and ppc altivec
5415 check_as <<EOF || return 1
5416 .macro m n, y:vararg=0
5421 # .altmacro is only used in arm asm
5422 ! enabled arm || check_as <<EOF || return 1
5429 if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then
5431 enabled_any arm aarch64 && nogas=die
5432 enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn
5436 arm*) gaspp_as_type=armasm; as_noop=-h ;;
5437 gcc) gaspp_as_type=gas ;;
5438 *) gaspp_as_type=$as_type ;;
5441 [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"
5443 test "${as#*gas-preprocessor.pl}" != "$as" ||
5444 check_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- ${as:=$cc} $as_noop &&
5445 gas="${gas:=gas-preprocessor.pl} -arch $arch -as-type $gaspp_as_type -- ${as:=$cc}"
5447 if ! check_gas ; then
5450 $nogas "GNU assembler not found, install/update gas-preprocessor"
5453 check_as <<EOF && enable as_func
5459 check_inline_asm inline_asm_labels '"1:\n"'
5461 check_inline_asm inline_asm_nonlocal_labels '"Label:\n"'
5463 if enabled aarch64; then
5464 enabled armv8 && check_insn armv8 'prfm pldl1strm, [x0]'
5465 # internal assembler in clang 3.3 does not support this instruction
5466 enabled neon && check_insn neon 'ext v0.8B, v0.8B, v1.8B, #1'
5467 enabled vfp && check_insn vfp 'fmadd d0, d0, d1, d2'
5469 map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM
5471 elif enabled alpha; then
5475 elif enabled arm; then
5477 enabled msvc && check_cpp_condition stddef.h "defined _M_ARMT" && enable thumb
5479 check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb
5480 float func(float a, float b){ return a+b; }
5483 enabled thumb && check_cflags -mthumb || check_cflags -marm
5485 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
5487 elif check_cpp_condition stddef.h "defined _M_ARM_FP && _M_ARM_FP >= 30"; then
5489 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__" && [ $target_os != darwin ]; then
5490 case "${cross_prefix:-$cc}" in
5491 *hardfloat*) enable vfp_args; fpabi=vfp ;;
5492 *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
5493 __asm__ (".eabi_attribute 28, 1");
5494 int main(void) { return 0; }
5497 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
5500 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
5501 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
5502 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
5503 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
5504 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
5505 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
5506 enabled setend && check_insn setend 'setend be'
5508 [ $target_os = linux ] || [ $target_os = android ] ||
5509 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
5512 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
5514 check_as <<EOF && enable as_arch_directive
5517 check_as <<EOF && enable as_fpu_directive
5521 # llvm's integrated assembler supports .object_arch from llvm 3.5
5522 [ "$objformat" = elf32 ] || [ "$objformat" = elf64 ] &&
5523 check_as <<EOF && enable as_object_arch
5527 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
5529 elif enabled mips; then
5531 enabled loongson2 && check_inline_asm loongson2 '"dmult.g $8, $9, $10"'
5532 enabled loongson3 && check_inline_asm loongson3 '"gsldxc1 $f0, 0($2, $3)"'
5533 enabled mmi && check_inline_asm mmi '"punpcklhw $f0, $f0, $f0"'
5535 # Enable minimum ISA based on selected options
5536 if enabled mips64; then
5537 enabled mips64r6 && check_inline_asm_flags mips64r6 '"dlsa $0, $0, $0, 1"' '-mips64r6'
5538 enabled mips64r2 && check_inline_asm_flags mips64r2 '"dext $0, $0, 0, 1"' '-mips64r2'
5539 disabled mips64r6 && disabled mips64r2 && check_inline_asm_flags mips64r1 '"daddi $0, $0, 0"' '-mips64'
5541 enabled mips32r6 && check_inline_asm_flags mips32r6 '"aui $0, $0, 0"' '-mips32r6'
5542 enabled mips32r5 && check_inline_asm_flags mips32r5 '"eretnc"' '-mips32r5'
5543 enabled mips32r2 && check_inline_asm_flags mips32r2 '"ext $0, $0, 0, 1"' '-mips32r2'
5544 disabled mips32r6 && disabled mips32r5 && disabled mips32r2 && check_inline_asm_flags mips32r1 '"addi $0, $0, 0"' '-mips32'
5547 enabled mipsfpu && check_inline_asm_flags mipsfpu '"cvt.d.l $f0, $f2"' '-mhard-float'
5548 enabled mipsfpu && (enabled mips32r5 || enabled mips32r6 || enabled mips64r6) && check_inline_asm_flags mipsfpu '"cvt.d.l $f0, $f1"' '-mfp64'
5549 enabled mipsfpu && enabled msa && check_inline_asm_flags msa '"addvi.b $w0, $w1, 1"' '-mmsa' && check_header msa.h || disable msa
5550 enabled mipsdsp && check_inline_asm_flags mipsdsp '"addu.qb $t0, $t1, $t2"' '-mdsp'
5551 enabled mipsdspr2 && check_inline_asm_flags mipsdspr2 '"absq_s.qb $t0, $t1"' '-mdspr2'
5553 if enabled bigendian && enabled msa; then
5557 elif enabled parisc; then
5559 if enabled gcc; then
5560 case $($cc -dumpversion) in
5561 4.[3-9].*) check_cflags -fno-optimize-sibling-calls ;;
5565 elif enabled ppc; then
5567 enable local_aligned
5569 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
5570 check_inline_asm ibm_asm '"add 0, 0, 0"'
5571 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
5572 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
5574 if enabled altivec; then
5575 check_cflags -maltivec -mabi=altivec
5577 # check if our compiler supports Motorola AltiVec C API
5578 check_code cc altivec.h "vector signed int v1 = (vector signed int) { 0 };
5579 vector signed int v2 = (vector signed int) { 1 };
5580 v1 = vec_add(v1, v2);" ||
5583 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
5586 if enabled vsx; then
5587 check_cflags -mvsx &&
5588 check_code cc altivec.h "int v[4] = { 0 };
5589 vector signed int v1 = vec_vsx_ld(0, v);" ||
5593 if enabled power8; then
5594 check_cpp_condition "altivec.h" "defined(_ARCH_PWR8)" || disable power8
5597 elif enabled x86; then
5599 check_builtin rdtsc intrin.h "__rdtsc()"
5600 check_builtin mm_empty mmintrin.h "_mm_empty()"
5602 enable local_aligned
5604 # check whether EBP is available on x86
5605 # As 'i' is stored on the stack, this program will crash
5606 # if the base pointer is used to access it because the
5607 # base pointer is cleared in the inline assembly code.
5608 check_exec_crash <<EOF && enable ebp_available
5610 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
5614 # check whether EBX is available on x86
5615 check_inline_asm ebx_available '""::"b"(0)' &&
5616 check_inline_asm ebx_available '"":::"%ebx"'
5618 # check whether xmm clobbers are supported
5619 check_inline_asm xmm_clobbers '"":::"%xmm0"'
5621 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' ||
5622 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"'
5624 # check whether binutils is new enough to compile SSSE3/MMXEXT
5625 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
5626 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
5630 if check_cmd $x86asmexe_probe -v; then
5631 x86asmexe=$x86asmexe_probe
5633 x86asm_debug="-g -F dwarf"
5634 elif check_cmd $x86asmexe_probe --version; then
5635 x86asmexe=$x86asmexe_probe
5637 x86asm_debug="-g dwarf2"
5639 check_x86asm "movbe ecx, [5]" && enable x86asm
5642 if ! disabled_any asm mmx x86asm; then
5644 for program in $x86asmexe nasm yasm; do
5645 probe_x86asm $program && break
5647 disabled x86asm && die "nasm/yasm not found or too old. Use --disable-x86asm for a crippled build."
5648 test $x86asm_type = 'nasm' && X86ASM_DEPFLAGS='-MD $(@:.o=.d)'
5649 test $x86asm_type = 'yasm' && X86ASMDEP='$(DEPX86ASM) $(X86ASMFLAGS) -M $(X86ASM_O) $< > $(@:.o=.d)'
5650 X86ASMFLAGS="-f $objformat"
5651 enabled pic && append X86ASMFLAGS "-DPIC"
5652 test -n "$extern_prefix" && append X86ASMFLAGS "-DPREFIX"
5653 case "$objformat" in
5654 elf*) enabled debug && append X86ASMFLAGS $x86asm_debug ;;
5657 check_x86asm "vextracti128 xmm0, ymm0, 0" || disable avx2_external
5658 check_x86asm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external
5659 check_x86asm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
5660 check_x86asm "CPU amdnop" || disable cpunop
5664 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
5671 check_code cc arm_neon.h "int16x8_t test = vdupq_n_s16(0)" && enable intrinsics_neon
5673 check_ldflags -Wl,--as-needed
5674 check_ldflags -Wl,-z,noexecstack
5676 if ! disabled network; then
5677 check_func getaddrinfo $network_extralibs
5678 check_func inet_aton $network_extralibs
5680 check_type netdb.h "struct addrinfo"
5681 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
5682 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
5683 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
5684 check_type poll.h "struct pollfd"
5685 check_type netinet/sctp.h "struct sctp_event_subscribe"
5686 check_struct "sys/socket.h" "struct msghdr" msg_flags
5687 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
5688 check_type netinet/in.h "struct sockaddr_in6"
5689 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
5690 check_type "sys/types.h sys/socket.h" socklen_t
5692 # Prefer arpa/inet.h over winsock2
5693 if check_header arpa/inet.h ; then
5694 check_func closesocket
5695 elif check_header winsock2.h ; then
5696 check_func_headers winsock2.h closesocket -lws2 &&
5697 network_extralibs="-lws2" ||
5698 { check_func_headers winsock2.h closesocket -lws2_32 &&
5699 network_extralibs="-lws2_32"; } || disable winsock2_h network
5700 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
5702 check_type ws2tcpip.h socklen_t
5703 check_type ws2tcpip.h "struct addrinfo"
5704 check_type ws2tcpip.h "struct group_source_req"
5705 check_type ws2tcpip.h "struct ip_mreq_source"
5706 check_type ws2tcpip.h "struct ipv6_mreq"
5707 check_type winsock2.h "struct pollfd"
5708 check_struct winsock2.h "struct sockaddr" sa_len
5709 check_type ws2tcpip.h "struct sockaddr_in6"
5710 check_type ws2tcpip.h "struct sockaddr_storage"
5716 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
5717 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
5718 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
5719 check_builtin sarestart signal.h "SA_RESTART"
5720 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
5721 check_builtin gmtime_r time.h "time_t *time; struct tm *tm; gmtime_r(time, tm)"
5722 check_builtin localtime_r time.h "time_t *time; struct tm *tm; localtime_r(time, tm)"
5723 check_builtin x264_csp_bgr "stdint.h x264.h" "X264_CSP_BGR"
5725 case "$custom_allocator" in
5727 # jemalloc by default does not use a prefix
5728 require libjemalloc jemalloc/jemalloc.h malloc -ljemalloc
5731 require_pkg_config libtcmalloc libtcmalloc gperftools/tcmalloc.h tc_malloc
5736 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
5737 check_func ${malloc_prefix}memalign && enable memalign
5738 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
5741 check_func_headers stdlib.h arc4random
5742 check_lib clock_gettime time.h clock_gettime || check_lib clock_gettime time.h clock_gettime -lrt
5745 check_func gethrtime
5747 check_func getrusage
5748 check_func gettimeofday
5750 check_func mach_absolute_time
5754 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
5755 check_func_headers time.h nanosleep || check_lib nanosleep time.h nanosleep -lrt
5756 check_func sched_getaffinity
5757 check_func setrlimit
5758 check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE
5759 check_func strerror_r
5764 check_func_headers conio.h kbhit
5765 check_func_headers io.h setmode
5766 check_func_headers lzo/lzo1x.h lzo1x_999_compress
5767 check_func_headers stdlib.h getenv
5768 check_func_headers sys/stat.h lstat
5770 check_func_headers windows.h GetProcessAffinityMask
5771 check_func_headers windows.h GetProcessTimes
5772 check_func_headers windows.h GetSystemTimeAsFileTime
5773 check_func_headers windows.h LoadLibrary
5774 check_func_headers windows.h MapViewOfFile
5775 check_func_headers windows.h PeekNamedPipe
5776 check_func_headers windows.h SetConsoleTextAttribute
5777 check_func_headers windows.h SetConsoleCtrlHandler
5778 check_func_headers windows.h Sleep
5779 check_func_headers windows.h VirtualAlloc
5780 check_struct windows.h "CONDITION_VARIABLE" Ptr
5781 check_func_headers glob.h glob
5783 check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext
5785 check_header d3d11.h
5786 check_header direct.h
5787 check_header dirent.h
5788 check_header dlfcn.h
5789 check_header dxgidebug.h
5791 check_header dxva2api.h -D_WIN32_WINNT=0x0600
5793 check_header libcrystalhd/libcrystalhd_if.h
5794 check_header mach/mach_time.h
5795 check_header malloc.h
5796 check_header net/udplite.h
5798 check_header sys/mman.h
5799 check_header sys/param.h
5800 check_header sys/resource.h
5801 check_header sys/select.h
5802 check_header sys/time.h
5803 check_header sys/un.h
5804 check_header termios.h
5805 check_header unistd.h
5806 check_header valgrind/valgrind.h
5807 check_func_headers VideoToolbox/VTCompressionSession.h VTCompressionSessionPrepareToEncodeFrames -framework VideoToolbox
5808 check_header windows.h
5809 check_header X11/extensions/XvMClib.h
5810 check_header asm/types.h
5812 # it seems there are versions of clang in some distros that try to use the
5813 # gcc headers, which explodes for stdatomic
5814 # so we also check that atomics actually work here
5815 check_builtin stdatomic_h stdatomic.h "atomic_int foo, bar = ATOMIC_VAR_INIT(-1); atomic_store(&foo, 0)"
5817 check_lib ole32 "windows.h" CoTaskMemFree -lole32
5818 check_lib shell32 "windows.h shellapi.h" CommandLineToArgvW -lshell32
5819 check_lib wincrypt "windows.h wincrypt.h" CryptGenRandom -ladvapi32
5820 check_lib psapi "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
5822 enabled appkit && check_apple_framework AppKit
5823 enabled audiotoolbox && check_apple_framework AudioToolbox
5824 enabled avfoundation && check_apple_framework AVFoundation
5825 enabled coreimage && check_apple_framework CoreImage
5826 enabled videotoolbox && check_apple_framework VideoToolbox
5828 check_apple_framework CoreFoundation
5829 check_apple_framework CoreMedia
5830 check_apple_framework CoreVideo
5832 enabled avfoundation && {
5833 disable coregraphics applicationservices
5834 check_lib coregraphics CoreGraphics/CoreGraphics.h CGGetActiveDisplayList "-framework CoreGraphics" ||
5835 check_lib applicationservices ApplicationServices/ApplicationServices.h CGGetActiveDisplayList "-framework ApplicationServices"; }
5837 enabled videotoolbox && {
5838 check_lib coreservices CoreServices/CoreServices.h UTGetOSTypeFromString "-framework CoreServices"
5839 check_func_headers CoreMedia/CMFormatDescription.h kCMVideoCodecType_HEVC "-framework CoreMedia"
5842 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
5844 check_type "windows.h dxva.h" "DXVA_PicParams_HEVC" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0
5845 check_type "windows.h dxva.h" "DXVA_PicParams_VP9" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0
5846 check_type "windows.h d3d11.h" "ID3D11VideoDecoder"
5847 check_type "windows.h d3d11.h" "ID3D11VideoContext"
5848 check_type "d3d9.h dxva2api.h" DXVA2_ConfigPictureDecode -D_WIN32_WINNT=0x0602
5850 check_type "va/va.h va/va_dec_hevc.h" "VAPictureParameterBufferHEVC"
5851 check_struct "va/va.h" "VADecPictureParameterBufferVP9" bit_depth
5852 check_type "va/va.h va/va_vpp.h" "VAProcPipelineParameterBuffer"
5853 check_type "va/va.h va/va_enc_h264.h" "VAEncPictureParameterBufferH264"
5854 check_type "va/va.h va/va_enc_hevc.h" "VAEncPictureParameterBufferHEVC"
5855 check_type "va/va.h va/va_enc_jpeg.h" "VAEncPictureParameterBufferJPEG"
5856 check_type "va/va.h va/va_enc_mpeg2.h" "VAEncPictureParameterBufferMPEG2"
5857 check_type "va/va.h va/va_enc_vp8.h" "VAEncPictureParameterBufferVP8"
5858 check_type "va/va.h va/va_enc_vp9.h" "VAEncPictureParameterBufferVP9"
5860 check_type "vdpau/vdpau.h" "VdpPictureInfoHEVC"
5862 check_cpp_condition windows.h "!WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)" && enable winrt || disable winrt
5864 if ! disabled w32threads && ! enabled pthreads; then
5865 check_func_headers "windows.h process.h" _beginthreadex &&
5866 enable w32threads || disable w32threads
5867 if ! enabled w32threads && enabled winrt; then
5868 check_func_headers "windows.h" CreateThread &&
5869 enable w32threads || disable w32threads
5873 # check for some common methods of building with pthread support
5874 # do this before the optional library checks as some of them require pthreads
5875 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
5876 if check_lib pthreads pthread.h pthread_join -pthread &&
5877 check_lib pthreads pthread.h pthread_create -pthread; then
5879 elif check_lib pthreads pthread.h pthread_join -pthreads &&
5880 check_lib pthreads pthread.h pthread_create -pthreads; then
5881 add_cflags -pthreads
5882 elif check_lib pthreads pthread.h pthread_join -ldl -pthread &&
5883 check_lib pthreads pthread.h pthread_create -ldl -pthread; then
5884 add_cflags -ldl -pthread
5885 elif check_lib pthreads pthread.h pthread_join -lpthreadGC2 &&
5886 check_lib pthreads pthread.h pthread_create -lpthreadGC2; then
5888 elif check_lib pthreads pthread.h pthread_join -lpthread &&
5889 check_lib pthreads pthread.h pthread_create -lpthread; then
5891 elif check_func pthread_join && check_func pthread_create; then
5894 check_code cc "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER" || disable pthreads
5898 if enabled pthreads; then
5899 check_func pthread_cancel $pthreads_extralibs
5903 check_builtin sem_timedwait semaphore.h "sem_t *s; sem_init(s,0,0); sem_timedwait(s,0); sem_destroy(s)" $pthreads_extralibs
5905 enabled zlib && check_lib zlib zlib.h zlibVersion -lz
5906 enabled bzlib && check_lib bzlib bzlib.h BZ2_bzlibVersion -lbz2
5907 enabled lzma && check_lib lzma lzma.h lzma_version_number -llzma
5909 # On some systems dynamic loading requires no extra linker flags
5910 check_lib libdl dlfcn.h "dlopen dlsym" || check_lib libdl dlfcn.h "dlopen dlsym" -ldl
5912 check_lib libm math.h sin -lm
5920 for func in $MATH_FUNCS; do
5921 eval check_mathfunc $func \${${func}_args:-1} $libm_extralibs
5924 for func in $COMPLEX_FUNCS; do
5925 eval check_complexfunc $func \${${func}_args:-1}
5928 # these are off by default, so fail if requested and not available
5929 enabled cuda_sdk && require cuda_sdk cuda.h cuCtxCreate -lcuda
5930 enabled cuvid && { enabled cuda ||
5931 die "ERROR: CUVID requires CUDA"; }
5932 enabled chromaprint && require chromaprint chromaprint.h chromaprint_get_version -lchromaprint
5933 enabled decklink && { require_header DeckLinkAPI.h &&
5934 { check_cpp_condition DeckLinkAPIVersion.h "BLACKMAGIC_DECKLINK_API_VERSION >= 0x0a060100" || die "ERROR: Decklink API version must be >= 10.6.1."; } }
5935 enabled libndi_newtek && require_header Processing.NDI.Lib.h
5936 enabled frei0r && require_header frei0r.h
5937 enabled gmp && require gmp gmp.h mpz_export -lgmp
5938 enabled gnutls && require_pkg_config gnutls gnutls gnutls/gnutls.h gnutls_global_init
5939 enabled jni && { [ $target_os = "android" ] && check_header jni.h && enabled pthreads || die "ERROR: jni not found"; }
5940 enabled ladspa && require_header ladspa.h
5941 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
5942 enabled libass && require_pkg_config libass libass ass/ass.h ass_library_init
5943 enabled libbluray && require_pkg_config libbluray libbluray libbluray/bluray.h bd_open
5944 enabled libbs2b && require_pkg_config libbs2b libbs2b bs2b.h bs2b_open
5945 enabled libcelt && require libcelt celt/celt.h celt_decode -lcelt0 &&
5946 { check_lib libcelt celt/celt.h celt_decoder_create_custom -lcelt0 ||
5947 die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
5948 enabled libcaca && require_pkg_config libcaca caca caca.h caca_create_canvas
5949 enabled libdc1394 && require_pkg_config libdc1394 libdc1394-2 dc1394/dc1394.h dc1394_new
5950 enabled libdrm && require_pkg_config libdrm libdrm xf86drm.h drmGetVersion
5951 enabled libfdk_aac && { use_pkg_config libfdk_aac fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen ||
5952 { require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac &&
5953 warn "using libfdk without pkg-config"; } }
5954 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"
5955 enabled libflite && require libflite "flite/flite.h" flite_init $flite_extralibs
5956 enabled fontconfig && enable libfontconfig
5957 enabled libfontconfig && require_pkg_config libfontconfig fontconfig "fontconfig/fontconfig.h" FcInit
5958 enabled libfreetype && require_pkg_config libfreetype freetype2 "ft2build.h FT_FREETYPE_H" FT_Init_FreeType
5959 enabled libfribidi && require_pkg_config libfribidi fribidi fribidi.h fribidi_version_info
5960 enabled libgme && { use_pkg_config libgme libgme gme/gme.h gme_new_emu ||
5961 require libgme gme/gme.h gme_new_emu -lgme -lstdc++; }
5962 enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
5963 check_lib libgsm "${gsm_hdr}" gsm_create -lgsm && break;
5964 done || die "ERROR: libgsm not found"; }
5965 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc $pthreads_extralibs
5966 enabled libkvazaar && require_pkg_config libkvazaar "kvazaar >= 0.8.1" kvazaar.h kvz_api_get
5967 # While it may appear that require is being used as a pkg-config
5968 # fallback for libmfx, it is actually being used to detect a different
5969 # installation route altogether. If libmfx is installed via the Intel
5970 # Media SDK or Intel Media Server Studio, these don't come with
5971 # pkg-config support. Instead, users should make sure that the build
5972 # can find the libraries and headers through other means.
5973 enabled libmfx && { use_pkg_config libmfx libmfx "mfx/mfxvideo.h" MFXInit ||
5974 { require libmfx "mfx/mfxvideo.h" MFXInit -llibmfx && warn "using libmfx without pkg-config"; } }
5975 enabled libmodplug && require_pkg_config libmodplug libmodplug libmodplug/modplug.h ModPlug_Load
5976 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
5977 enabled libmysofa && require libmysofa "mysofa.h" mysofa_load -lmysofa $zlib_extralibs
5978 enabled libnpp && { check_lib libnpp npp.h nppGetLibVersion -lnppig -lnppicc -lnppc ||
5979 check_lib libnpp npp.h nppGetLibVersion -lnppi -lnppc ||
5980 die "ERROR: libnpp not found"; }
5981 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
5982 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
5983 enabled libopencv && { check_header opencv2/core/core_c.h &&
5984 { use_pkg_config libopencv opencv opencv2/core/core_c.h cvCreateImageHeader ||
5985 require libopencv opencv2/core/core_c.h cvCreateImageHeader -lopencv_core -lopencv_imgproc; } ||
5986 require_pkg_config libopencv opencv opencv/cxcore.h cvCreateImageHeader; }
5987 enabled libopenh264 && require_pkg_config libopenh264 openh264 wels/codec_api.h WelsGetCodecVersion
5988 enabled libopenjpeg && { use_pkg_config libopenjpeg "libopenjp2 >= 2.1.0" openjpeg.h opj_version ||
5989 { require_pkg_config libopenjpeg "libopenjp2 >= 2.1.0" openjpeg.h opj_version -DOPJ_STATIC && add_cppflags -DOPJ_STATIC; } }
5990 enabled libopenmpt && require_pkg_config libopenmpt "libopenmpt >= 0.2.6557" libopenmpt/libopenmpt.h openmpt_module_create -lstdc++ && append libopenmpt_extralibs "-lstdc++"
5991 enabled libopus && {
5992 enabled libopus_decoder && {
5993 require_pkg_config libopus opus opus_multistream.h opus_multistream_decoder_create
5995 enabled libopus_encoder && {
5996 require_pkg_config libopus opus opus_multistream.h opus_multistream_surround_encoder_create
5999 enabled libpulse && require_pkg_config libpulse libpulse pulse/pulseaudio.h pa_context_new
6000 enabled librsvg && require_pkg_config librsvg librsvg-2.0 librsvg-2.0/librsvg/rsvg.h rsvg_handle_render_cairo
6001 enabled librtmp && require_pkg_config librtmp librtmp librtmp/rtmp.h RTMP_Socket
6002 enabled librubberband && require_pkg_config librubberband "rubberband >= 1.8.1" rubberband/rubberband-c.h rubberband_new -lstdc++ && append librubberband_extralibs "-lstdc++"
6003 enabled libshine && require_pkg_config libshine shine shine/layer3.h shine_encode_buffer
6004 enabled libsmbclient && { use_pkg_config libsmbclient smbclient libsmbclient.h smbc_init ||
6005 require libsmbclient libsmbclient.h smbc_init -lsmbclient; }
6006 enabled libsnappy && require libsnappy snappy-c.h snappy_compress -lsnappy -lstdc++
6007 enabled libsoxr && require libsoxr soxr.h soxr_create -lsoxr
6008 enabled libssh && require_pkg_config libssh libssh libssh/sftp.h sftp_init
6009 enabled libspeex && require_pkg_config libspeex speex speex/speex.h speex_decoder_init -lspeex
6010 enabled libtesseract && require_pkg_config libtesseract tesseract tesseract/capi.h TessBaseAPICreate
6011 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
6012 enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame &&
6013 { check_lib libtwolame twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
6014 die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
6015 enabled libv4l2 && require_pkg_config libv4l2 libv4l2 libv4l2.h v4l2_ioctl
6016 enabled libvidstab && require_pkg_config libvidstab "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit
6017 enabled libvmaf && require_pkg_config libvmaf libvmaf libvmaf.h compute_vmaf
6018 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
6019 enabled libvorbis && require_pkg_config libvorbis vorbis vorbis/codec.h vorbis_info_init &&
6020 require_pkg_config libvorbisenc vorbisenc vorbis/vorbisenc.h vorbis_encode_init
6023 enabled libvpx_vp8_decoder && {
6024 use_pkg_config libvpx_vp8_decoder "vpx >= 0.9.1" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp8_dx ||
6025 check_lib libvpx_vp8_decoder "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
6026 die "ERROR: libvpx decoder version must be >=0.9.1";
6028 enabled libvpx_vp8_encoder && {
6029 use_pkg_config libvpx_vp8_encoder "vpx >= 0.9.7" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp8_cx ||
6030 check_lib libvpx_vp8_encoder "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VP8E_SET_MAX_INTRA_BITRATE_PCT" -lvpx ||
6031 die "ERROR: libvpx encoder version must be >=0.9.7";
6033 enabled libvpx_vp9_decoder && {
6034 use_pkg_config libvpx_vp9_decoder "vpx >= 1.3.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx ||
6035 check_lib libvpx_vp9_decoder "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx
6037 enabled libvpx_vp9_encoder && {
6038 use_pkg_config libvpx_vp9_encoder "vpx >= 1.3.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx ||
6039 check_lib libvpx_vp9_encoder "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VP9E_SET_AQ_MODE" -lvpx
6041 if disabled_all libvpx_vp8_decoder libvpx_vp9_decoder libvpx_vp8_encoder libvpx_vp9_encoder; then
6042 die "libvpx enabled but no supported decoders found"
6046 enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack
6047 enabled libwebp && {
6048 enabled libwebp_encoder && require_pkg_config libwebp "libwebp >= 0.2.0" webp/encode.h WebPGetEncoderVersion
6049 enabled libwebp_anim_encoder && use_pkg_config libwebp_anim_encoder "libwebpmux >= 0.4.0" webp/mux.h WebPAnimEncoderOptionsInit; }
6050 enabled libx264 && { use_pkg_config libx264 x264 "stdint.h x264.h" x264_encoder_encode ||
6051 { require libx264 "stdint.h x264.h" x264_encoder_encode -lx264 &&
6052 warn "using libx264 without pkg-config"; } } &&
6053 require_cpp_condition x264.h "X264_BUILD >= 118" &&
6054 { check_cpp_condition x264.h "X264_MPEG2" &&
6056 enabled libx265 && require_pkg_config libx265 x265 x265.h x265_api_get &&
6057 require_cpp_condition x265.h "X265_BUILD >= 68"
6058 enabled libxavs && require libxavs "stdint.h xavs.h" xavs_encoder_encode "-lxavs $pthreads_extralibs $libm_extralibs"
6059 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
6060 enabled libzimg && require_pkg_config libzimg "zimg >= 2.3.0" zimg.h zimg_get_api_version
6061 enabled libzmq && require_pkg_config libzmq libzmq zmq.h zmq_ctx_new
6062 enabled libzvbi && require_pkg_config libzvbi zvbi-0.2 libzvbi.h vbi_decoder_new &&
6063 { check_cpp_condition libzvbi.h "VBI_VERSION_MAJOR > 0 || VBI_VERSION_MINOR > 2 || VBI_VERSION_MINOR == 2 && VBI_VERSION_MICRO >= 28" ||
6064 enabled gpl || die "ERROR: libzvbi requires version 0.2.28 or --enable-gpl."; }
6065 enabled libxml2 && require_pkg_config libxml2 libxml-2.0 libxml2/libxml/xmlversion.h xmlCheckVersion
6066 enabled mediacodec && { enabled jni || die "ERROR: mediacodec requires --enable-jni"; }
6067 enabled mmal && { check_lib mmal interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ||
6068 { ! enabled cross_compile &&
6069 add_cflags -isystem/opt/vc/include/ -isystem/opt/vc/include/interface/vmcs_host/linux -isystem/opt/vc/include/interface/vcos/pthreads -fgnu89-inline &&
6070 add_ldflags -L/opt/vc/lib/ &&
6071 check_lib mmal interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host; } ||
6072 die "ERROR: mmal not found" &&
6073 check_func_headers interface/mmal/mmal.h "MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS"; }
6074 enabled openal && { { for al_extralibs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
6075 check_lib openal 'AL/al.h' alGetError "${al_extralibs}" && break; done } ||
6076 die "ERROR: openal not found"; } &&
6077 { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
6078 die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
6079 enabled opencl && { check_lib opencl OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||
6080 check_lib opencl CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||
6081 die "ERROR: opencl not found"; } &&
6082 { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||
6083 check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||
6084 die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }
6085 enabled opengl && { check_lib opengl GL/glx.h glXGetProcAddress "-lGL" ||
6086 check_lib opengl windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||
6087 check_lib opengl OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||
6088 check_lib opengl ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||
6089 die "ERROR: opengl not found."
6091 enabled omx && require_header OMX_Core.h
6092 enabled omx_rpi && { check_header OMX_Core.h ||
6093 { ! enabled cross_compile && add_cflags -isystem/opt/vc/include/IL && check_header OMX_Core.h ; } ||
6094 die "ERROR: OpenMAX IL headers not found"; } && enable omx
6095 enabled openssl && { use_pkg_config openssl openssl openssl/ssl.h OPENSSL_init_ssl ||
6096 use_pkg_config openssl openssl openssl/ssl.h SSL_library_init ||
6097 check_lib openssl openssl/ssl.h SSL_library_init -lssl -lcrypto ||
6098 check_lib openssl openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
6099 check_lib openssl openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
6100 die "ERROR: openssl not found"; }
6101 enabled rkmpp && { { require_pkg_config rkmpp rockchip_mpp rockchip/rk_mpi.h mpp_create ||
6102 die "ERROR : Rockchip MPP was not found."; } &&
6103 { check_func_headers rockchip/rk_mpi_cmd.h "MPP_DEC_GET_FREE_PACKET_SLOT_COUNT" ||
6104 die "ERROR: Rockchip MPP is outdated, please get a more recent one."; } &&
6106 die "ERROR: rkmpp requires --enable-libdrm"; }
6109 if enabled gcrypt; then
6110 GCRYPT_CONFIG="${cross_prefix}libgcrypt-config"
6111 if "${GCRYPT_CONFIG}" --version > /dev/null 2>&1; then
6112 gcrypt_cflags=$("${GCRYPT_CONFIG}" --cflags)
6113 gcrypt_extralibs=$("${GCRYPT_CONFIG}" --libs)
6114 check_func_headers gcrypt.h gcry_mpi_new $gcrypt_cflags $gcrypt_extralibs ||
6115 die "ERROR: gcrypt not found"
6116 add_cflags $gcrypt_cflags
6118 require gcrypt gcrypt.h gcry_mpi_new -lgcrypt
6122 if enabled sdl2; then
6123 SDL2_CONFIG="${cross_prefix}sdl2-config"
6124 if check_pkg_config sdl2 "sdl2 >= 2.0.1 sdl2 < 2.1.0" SDL_events.h SDL_PollEvent; then
6125 check_func SDL_Init $sdl2_extralibs $sdl2_cflags ||
6127 elif "${SDL2_CONFIG}" --version > /dev/null 2>&1; then
6128 sdl2_cflags=$("${SDL2_CONFIG}" --cflags)
6129 sdl2_extralibs=$("${SDL2_CONFIG}" --libs)
6130 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x020001" $sdl2_cflags &&
6131 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x020100" $sdl2_cflags &&
6132 check_func SDL_Init $sdl2_extralibs $sdl2_cflags &&
6135 if test $target_os = "mingw32"; then
6136 sdl2_extralibs=$(filter_out '-mwindows' $sdl2_extralibs)
6140 if enabled decklink; then
6142 mingw32*|mingw64*|win32|win64)
6143 decklink_outdev_extralibs="$decklink_outdev_extralibs -lole32 -loleaut32"
6144 decklink_indev_extralibs="$decklink_indev_extralibs -lole32 -loleaut32"
6149 enabled securetransport &&
6150 check_func SecIdentityCreate "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&
6151 check_lib securetransport "Security/SecureTransport.h Security/Security.h" "SSLCreateContext SecItemImport" "-Wl,-framework,CoreFoundation -Wl,-framework,Security" ||
6152 disable securetransport
6155 check_func_headers "windows.h security.h" InitializeSecurityContext -DSECURITY_WIN32 -lsecur32 &&
6156 check_cpp_condition winerror.h "defined(SEC_I_CONTEXT_EXPIRED)" &&
6157 schannel_extralibs="-lsecur32" ||
6160 makeinfo --version > /dev/null 2>&1 && enable makeinfo || disable makeinfo
6162 && [ 0$(makeinfo --version | grep "texinfo" | sed 's/.*texinfo[^0-9]*\([0-9]*\)\..*/\1/') -ge 5 ] \
6163 && enable makeinfo_html || disable makeinfo_html
6164 disabled makeinfo_html && texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
6165 perl -v > /dev/null 2>&1 && enable perl || disable perl
6166 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
6167 rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout
6169 # check V4L2 codecs available in the API
6170 check_header linux/fb.h
6171 check_header linux/videodev2.h
6172 check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_sanitized struct_v4l2_frmivalenum_discrete
6173 check_code cc linux/videodev2.h "int i = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_VIDEO_M2M | V4L2_BUF_FLAG_LAST;" || disable v4l2_m2m
6174 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_VC1_ANNEX_G;" && enable vc1_v4l2_m2m
6175 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG1;" && enable mpeg1_v4l2_m2m
6176 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG2;" && enable mpeg2_v4l2_m2m
6177 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG4;" && enable mpeg4_v4l2_m2m
6178 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_HEVC;" && enable hevc_v4l2_m2m
6179 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_H263;" && enable h263_v4l2_m2m
6180 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_H264;" && enable h264_v4l2_m2m
6181 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_VP8;" && enable vp8_v4l2_m2m
6182 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_VP9;" && enable vp9_v4l2_m2m
6184 check_header sys/videoio.h
6185 check_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_sanitized struct_v4l2_frmivalenum_discrete
6187 check_lib user32 "windows.h winuser.h" GetShellWindow -luser32
6188 check_lib vfw32 "windows.h vfw.h" capCreateCaptureWindow -lvfw32
6189 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
6190 # w32api 3.12 had it defined wrong
6191 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
6193 check_type "dshow.h" IBaseFilter
6195 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
6196 { check_header dev/bktr/ioctl_meteor.h &&
6197 check_header dev/bktr/ioctl_bt848.h; } ||
6198 { check_header machine/ioctl_meteor.h &&
6199 check_header machine/ioctl_bt848.h; } ||
6200 { check_header dev/video/meteor/ioctl_meteor.h &&
6201 check_header dev/video/bktr/ioctl_bt848.h; } ||
6202 check_header dev/ic/bt8xx.h
6204 if check_struct sys/soundcard.h audio_buf_info bytes; then
6205 enable_sanitized sys/soundcard.h
6207 check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_sanitized sys/soundcard.h
6208 #include <sys/soundcard.h>
6212 check_header soundcard.h
6214 enabled alsa && use_pkg_config alsa alsa "alsa/asoundlib.h" snd_pcm_htimestamp ||
6215 check_lib alsa alsa/asoundlib.h snd_pcm_htimestamp -lasound
6218 require_pkg_config libjack jack jack/jack.h jack_port_get_latency_range
6220 enabled sndio && check_lib sndio sndio.h sio_open -lsndio
6222 if enabled libcdio; then
6223 use_pkg_config libcdio libcdio_paranoia "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open ||
6224 use_pkg_config libcdio libcdio_paranoia "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open ||
6225 check_lib libcdio "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
6226 check_lib libcdio "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
6227 die "ERROR: No usable libcdio/cdparanoia found"
6230 enabled libxcb && use_pkg_config libxcb "xcb >= 1.4" xcb/xcb.h xcb_connect ||
6231 disable libxcb_shm libxcb_shape libxcb_xfixes
6233 if enabled libxcb; then
6234 enabled libxcb_shm && use_pkg_config libxcb_shm xcb-shm xcb/shm.h xcb_shm_attach
6235 enabled libxcb_shape && use_pkg_config libxcb_shape xcb-shape xcb/shape.h xcb_shape_get_rectangles
6236 enabled libxcb_xfixes && use_pkg_config libxcb_xfixes xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image
6239 check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs"
6241 # d3d11va requires linking directly to dxgi and d3d11 if not building for
6242 # the desktop api partition
6243 check_cpp <<EOF && enable uwp && d3d11va_extralibs="-ldxgi -ld3d11"
6244 #ifdef WINAPI_FAMILY
6245 #include <winapifamily.h>
6246 #if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
6247 #error desktop, not uwp
6249 // WINAPI_FAMILY_APP, WINAPI_FAMILY_PHONE_APP => UWP
6252 #error no family set
6257 check_lib vaapi va/va.h vaInitialize -lva
6260 check_code cc "va/va.h" "vaCreateSurfaces(0, 0, 0, 0, 0, 0, 0, 0)" ||
6264 check_lib vaapi_drm "va/va.h va/va_drm.h" vaGetDisplayDRM -lva -lva-drm
6267 check_lib vaapi_x11 "va/va.h va/va_x11.h" vaGetDisplay -lva -lva-x11 -lX11
6270 check_cpp_condition "va/va.h" "VA_CHECK_VERSION(1, 0, 0)" &&
6274 check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
6278 check_lib vdpau_x11 "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau -lX11
6280 enabled crystalhd && check_lib crystalhd "stdint.h libcrystalhd/libcrystalhd_if.h" DtsCrystalHDVersion -lcrystalhd
6282 if enabled x86; then
6284 mingw32*|mingw64*|win32|win64|linux|cygwin*)
6287 disable cuda cuvid nvenc
6291 disable cuda cuvid nvenc
6295 check_cc -I$source_path <<EOF || disable nvenc
6296 #include "compat/nvenc/nvEncodeAPI.h"
6297 NV_ENCODE_API_FUNCTION_LIST flist;
6298 void f(void) { struct { const GUID guid; } s[] = { { NV_ENC_PRESET_HQ_GUID } }; }
6299 int main(void) { return 0; }
6302 # Funny iconv installations are not unusual, so check it after all flags have been set
6303 if enabled libc_iconv; then
6304 check_func_headers iconv.h iconv
6305 elif enabled iconv; then
6306 check_func_headers iconv.h iconv || check_lib iconv iconv.h iconv -liconv
6309 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
6311 # add some useful compiler flags if supported
6312 check_cflags -Wdeclaration-after-statement
6314 check_cflags -Wdisabled-optimization
6315 check_cflags -Wpointer-arith
6316 check_cflags -Wredundant-decls
6317 check_cflags -Wwrite-strings
6318 check_cflags -Wtype-limits
6319 check_cflags -Wundef
6320 check_cflags -Wmissing-prototypes
6321 check_cflags -Wno-pointer-to-int-cast
6322 check_cflags -Wstrict-prototypes
6323 check_cflags -Wempty-body
6325 if enabled extra_warnings; then
6326 check_cflags -Wcast-qual
6327 check_cflags -Wextra
6328 check_cflags -Wpedantic
6331 check_disable_warning(){
6332 warning_flag=-W${1#-Wno-}
6333 test_cflags $unknown_warning_flags $warning_flag && add_cflags $1
6336 test_cflags -Werror=unused-command-line-argument &&
6337 append unknown_warning_flags "-Werror=unused-command-line-argument"
6338 test_cflags -Werror=unknown-warning-option &&
6339 append unknown_warning_flags "-Werror=unknown-warning-option"
6341 check_disable_warning -Wno-parentheses
6342 check_disable_warning -Wno-switch
6343 check_disable_warning -Wno-format-zero-length
6344 check_disable_warning -Wno-pointer-sign
6345 check_disable_warning -Wno-unused-const-variable
6346 check_disable_warning -Wno-bool-operation
6348 check_disable_warning_headers(){
6349 warning_flag=-W${1#-Wno-}
6350 test_cflags $warning_flag && add_cflags_headers $1
6353 check_disable_warning_headers -Wno-deprecated-declarations
6354 check_disable_warning_headers -Wno-unused-variable
6356 check_cc <<EOF && enable blocks_extension
6357 void (^block)(void);
6360 # add some linker flags
6361 check_ldflags -Wl,--warn-common
6362 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
6363 enabled rpath && add_ldexeflags -Wl,-rpath,$libdir
6364 enabled rpath && add_ldlibflags -Wl,-rpath,$libdir
6365 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
6367 # add some strip flags
6370 enabled neon_clobber_test &&
6371 check_ldflags -Wl,--wrap,avcodec_open2 \
6372 -Wl,--wrap,avcodec_decode_audio4 \
6373 -Wl,--wrap,avcodec_decode_video2 \
6374 -Wl,--wrap,avcodec_decode_subtitle2 \
6375 -Wl,--wrap,avcodec_encode_audio2 \
6376 -Wl,--wrap,avcodec_encode_video2 \
6377 -Wl,--wrap,avcodec_encode_subtitle \
6378 -Wl,--wrap,avcodec_send_packet \
6379 -Wl,--wrap,avcodec_receive_packet \
6380 -Wl,--wrap,avcodec_send_frame \
6381 -Wl,--wrap,avcodec_receive_frame \
6382 -Wl,--wrap,swr_convert \
6383 -Wl,--wrap,avresample_convert ||
6384 disable neon_clobber_test
6386 enabled xmm_clobber_test &&
6387 check_ldflags -Wl,--wrap,avcodec_open2 \
6388 -Wl,--wrap,avcodec_decode_audio4 \
6389 -Wl,--wrap,avcodec_decode_video2 \
6390 -Wl,--wrap,avcodec_decode_subtitle2 \
6391 -Wl,--wrap,avcodec_encode_audio2 \
6392 -Wl,--wrap,avcodec_encode_video2 \
6393 -Wl,--wrap,avcodec_encode_subtitle \
6394 -Wl,--wrap,avcodec_send_packet \
6395 -Wl,--wrap,avcodec_receive_packet \
6396 -Wl,--wrap,avcodec_send_frame \
6397 -Wl,--wrap,avcodec_receive_frame \
6398 -Wl,--wrap,swr_convert \
6399 -Wl,--wrap,avresample_convert \
6400 -Wl,--wrap,sws_scale ||
6401 disable xmm_clobber_test
6403 check_ld "cc" <<EOF && enable proper_dce
6404 extern const int array[512];
6405 static inline int func(void) { return array[0]; }
6406 int main(void) { return 0; }
6409 if enabled proper_dce; then
6410 echo "X { local: *; };" > $TMPV
6411 if test_ldflags -Wl,${version_script},$TMPV; then
6412 append SHFLAGS '-Wl,${version_script},\$(SUBDIR)lib\$(NAME).ver'
6413 check_cc <<EOF && enable symver_asm_label
6414 void ff_foo(void) __asm__ ("av_foo@VERSION");
6415 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
6417 check_cc <<EOF && enable symver_gnu_asm
6418 __asm__(".symver ff_foo,av_foo@VERSION");
6419 void ff_foo(void) {}
6424 if [ -z "$optflags" ]; then
6425 if enabled small; then
6426 optflags=$cflags_size
6427 elif enabled optimizations; then
6428 optflags=$cflags_speed
6430 optflags=$cflags_noopt
6434 if [ -z "$nvccflags" ]; then
6435 nvccflags=$nvccflags_default
6438 if enabled x86_64 || enabled ppc64 || enabled aarch64; then
6439 nvccflags="$nvccflags -m64"
6441 nvccflags="$nvccflags -m32"
6446 enabled lto && check_ldflags "$@"
6449 check_optflags $optflags
6450 check_optflags -fno-math-errno
6451 check_optflags -fno-signed-zeros
6453 if enabled lto; then
6454 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
6456 check_ldflags -flto $cpuflags
6457 disable inline_asm_direct_symbol_refs
6460 enabled ftrapv && check_cflags -ftrapv
6462 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
6467 if enabled icc; then
6468 # Just warnings, no remarks
6470 # -wd: Disable following warnings
6471 # 144, 167, 556: -Wno-pointer-sign
6472 # 188: enumerated type mixed with another type
6473 # 1292: attribute "foo" ignored
6474 # 1419: external declaration in primary source file
6475 # 10006: ignoring unknown option -fno-signed-zeros
6476 # 10148: ignoring unknown option -Wno-parentheses
6477 # 10156: ignoring option '-W'; no argument required
6478 # 13200: No EMMS instruction before call to function
6479 # 13203: No EMMS instruction before return from function
6480 check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156,13200,13203
6481 # 11030: Warning unknown option --as-needed
6482 # 10156: ignoring option '-export'; no argument required
6483 check_ldflags -wd10156,11030
6484 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
6485 enable ebp_available
6486 # The test above does not test linking
6487 enabled lto && disable symver_asm_label
6488 if enabled x86_32; then
6489 icc_version=$($cc -dumpversion)
6490 test ${icc_version%%.*} -ge 11 &&
6491 check_cflags -falign-stack=maintain-16-byte ||
6492 disable aligned_stack
6494 elif enabled ccc; then
6495 # disable some annoying warnings
6496 add_cflags -msg_disable bitnotint
6497 add_cflags -msg_disable mixfuncvoid
6498 add_cflags -msg_disable nonstandcast
6499 add_cflags -msg_disable unsupieee
6500 elif enabled gcc; then
6501 check_optflags -fno-tree-vectorize
6502 check_cflags -Werror=format-security
6503 check_cflags -Werror=implicit-function-declaration
6504 check_cflags -Werror=missing-prototypes
6505 check_cflags -Werror=return-type
6506 check_cflags -Werror=vla
6507 check_cflags -Wformat
6508 check_cflags -fdiagnostics-color=auto
6509 enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized
6510 elif enabled llvm_gcc; then
6511 check_cflags -mllvm -stack-alignment=16
6512 elif enabled clang; then
6513 check_cflags -mllvm -stack-alignment=16
6514 check_cflags -mstack-alignment=16
6515 check_cflags -Qunused-arguments
6516 check_cflags -Werror=implicit-function-declaration
6517 check_cflags -Werror=missing-prototypes
6518 check_cflags -Werror=return-type
6519 elif enabled cparser; then
6520 add_cflags -Wno-missing-variable-declarations
6521 add_cflags -Wno-empty-statement
6522 elif enabled armcc; then
6523 add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat
6524 add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir
6525 # 2523: use of inline assembly is deprecated
6526 add_cflags -W${armcc_opt},--diag_suppress=2523
6527 add_cflags -W${armcc_opt},--diag_suppress=1207
6528 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
6529 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
6530 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
6531 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
6532 elif enabled tms470; then
6533 add_cflags -pds=824 -pds=837
6535 elif enabled pathscale; then
6536 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
6538 elif enabled_any msvc icl; then
6539 enabled x86_32 && disable aligned_stack
6540 enabled_all x86_32 debug && add_cflags -Oy-
6541 enabled debug && add_ldflags -debug
6542 enable pragma_deprecated
6543 if enabled icl; then
6544 # -Qansi-alias is basically -fstrict-aliasing, but does not work
6545 # (correctly) on icl 13.x.
6546 check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&
6547 add_cflags -Qansi-alias
6548 # Some inline asm is not compilable in debug
6549 if enabled debug; then
6550 disable ebp_available
6551 disable ebx_available
6554 # msvcrt10 x64 incorrectly enables log2, only msvcrt12 (MSVC 2013) onwards actually has log2.
6555 check_cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION >= 12" || disable log2
6556 # The CRT headers contain __declspec(restrict) in a few places, but if redefining
6557 # restrict, this might break. MSVC 2010 and 2012 fail with __declspec(__restrict)
6558 # (as it ends up if the restrict redefine is done before including stdlib.h), while
6559 # MSVC 2013 and newer can handle it fine.
6560 # If this declspec fails, force including stdlib.h before the restrict redefinition
6561 # happens in config.h.
6562 if [ $_restrict != restrict ]; then
6563 check_cc <<EOF || add_cflags -FIstdlib.h
6564 __declspec($_restrict) void* foo(int);
6567 # the new SSA optimzer in VS2015 U3 is mis-optimizing some parts of the code
6568 # Issue has been fixed in MSVC v19.00.24218.
6569 check_cpp_condition windows.h "_MSC_FULL_VER >= 190024218" ||
6570 check_cflags -d2SSAOptimizer-
6571 # enable utf-8 source processing on VS2015 U2 and newer
6572 check_cpp_condition windows.h "_MSC_FULL_VER >= 190023918" &&
6576 for pfx in "" host_; do
6577 varname=${pfx%_}cc_type
6578 eval "type=\$$varname"
6579 if [ "$type" = "msvc" ]; then
6580 check_${pfx}cc <<EOF || add_${pfx}cflags -Dinline=__inline
6581 static inline int foo(int a) { return a; }
6588 add_asflags -Qunused-arguments
6594 check_ldflags -Qunused-arguments
6600 enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'
6604 enable frame_thread_encoder
6606 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
6608 check_deps $CONFIG_LIST \
6613 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"
6616 if test $target_os = "haiku"; then
6618 disable posix_memalign
6621 flatten_extralibs(){
6622 unset nested_entries
6625 for entry in $list; do
6628 append nested_entries $(filter '*_extralibs' $entry_copy)
6629 flat_entries=$(filter_out '*_extralibs' $entry_copy)
6630 eval $entry="\$flat_entries"
6632 append $list_name "$nested_entries"
6634 resolve nested_entries
6635 if test -n "$(filter '*_extralibs' $nested_entries)"; then
6636 flatten_extralibs $list_name
6640 for linkunit in $LIBRARY_LIST; do
6641 unset current_extralibs
6642 eval components=\$$(toupper ${linkunit})_COMPONENTS_LIST
6643 for comp in ${components}; do
6644 enabled $comp || continue
6645 comp_extralibs="${comp}_extralibs"
6646 append current_extralibs $comp_extralibs
6648 eval prepend ${linkunit}_extralibs $current_extralibs
6651 for linkunit in $LIBRARY_LIST $PROGRAM_LIST $EXTRALIBS_LIST; do
6652 flatten_extralibs ${linkunit}_extralibs
6653 unique ${linkunit}_extralibs
6654 resolve ${linkunit}_extralibs
6655 eval ${linkunit}_extralibs=\$\(\$ldflags_filter \$${linkunit}_extralibs\)
6658 map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST
6660 for thread in $THREADS_LIST; do
6661 if enabled $thread; then
6662 test -n "$thread_type" &&
6663 die "ERROR: Only one thread type must be selected." ||
6664 thread_type="$thread"
6668 if disabled stdatomic_h; then
6669 if enabled atomics_gcc; then
6670 add_cppflags '-I\$(SRC_PATH)/compat/atomics/gcc'
6671 elif enabled atomics_win32; then
6672 add_cppflags '-I\$(SRC_PATH)/compat/atomics/win32'
6673 elif enabled atomics_suncc; then
6674 add_cppflags '-I\$(SRC_PATH)/compat/atomics/suncc'
6675 elif enabled pthreads; then
6676 add_compat atomics/pthread/stdatomic.o
6677 add_cppflags '-I\$(SRC_PATH)/compat/atomics/pthread'
6679 enabled threads && die "Threading is enabled, but no atomics are available"
6680 add_cppflags '-I\$(SRC_PATH)/compat/atomics/dummy'
6684 # Check if requested libraries were found.
6685 for lib in $AUTODETECT_LIBS; do
6686 requested $lib && ! enabled $lib && die "ERROR: $lib requested but not found";
6689 enabled zlib && add_cppflags -DZLIB_CONST
6691 # conditional library dependencies, in linking order
6692 enabled afftfilt_filter && prepend avfilter_deps "avcodec"
6693 enabled afir_filter && prepend avfilter_deps "avcodec"
6694 enabled amovie_filter && prepend avfilter_deps "avformat avcodec"
6695 enabled aresample_filter && prepend avfilter_deps "swresample"
6696 enabled atempo_filter && prepend avfilter_deps "avcodec"
6697 enabled cover_rect_filter && prepend avfilter_deps "avformat avcodec"
6698 enabled ebur128_filter && enabled swresample && prepend avfilter_deps "swresample"
6699 enabled elbg_filter && prepend avfilter_deps "avcodec"
6700 enabled fftfilt_filter && prepend avfilter_deps "avcodec"
6701 enabled find_rect_filter && prepend avfilter_deps "avformat avcodec"
6702 enabled firequalizer_filter && prepend avfilter_deps "avcodec"
6703 enabled mcdeint_filter && prepend avfilter_deps "avcodec"
6704 enabled movie_filter && prepend avfilter_deps "avformat avcodec"
6705 enabled pan_filter && prepend avfilter_deps "swresample"
6706 enabled pp_filter && prepend avfilter_deps "postproc"
6707 enabled removelogo_filter && prepend avfilter_deps "avformat avcodec swscale"
6708 enabled resample_filter && prepend avfilter_deps "avresample"
6709 enabled sab_filter && prepend avfilter_deps "swscale"
6710 enabled scale_filter && prepend avfilter_deps "swscale"
6711 enabled scale2ref_filter && prepend avfilter_deps "swscale"
6712 enabled sofalizer_filter && prepend avfilter_deps "avcodec"
6713 enabled showcqt_filter && prepend avfilter_deps "avformat avcodec swscale"
6714 enabled showfreqs_filter && prepend avfilter_deps "avcodec"
6715 enabled showspectrum_filter && prepend avfilter_deps "avcodec"
6716 enabled signature_filter && prepend avfilter_deps "avcodec avformat"
6717 enabled smartblur_filter && prepend avfilter_deps "swscale"
6718 enabled spectrumsynth_filter && prepend avfilter_deps "avcodec"
6719 enabled spp_filter && prepend avfilter_deps "avcodec"
6720 enabled subtitles_filter && prepend avfilter_deps "avformat avcodec"
6721 enabled uspp_filter && prepend avfilter_deps "avcodec"
6722 enabled zoompan_filter && prepend avfilter_deps "swscale"
6724 enabled lavfi_indev && prepend avdevice_deps "avfilter"
6727 enabled sdl2_outdev && add_cflags $(filter_out '-Dmain=SDL_main' $sdl2_cflags)
6729 enabled opus_decoder && prepend avcodec_deps "swresample"
6733 eval "deps=\$$lib_deps"
6734 append $lib_deps $(map 'eval echo \$${v}_deps' $deps)
6738 #we have to remove gpl from the deps here as some code assumes all lib deps are libs
6739 postproc_deps="$(filter_out 'gpl' $postproc_deps)"
6741 map 'expand_deps $v' $LIBRARY_LIST
6743 license="LGPL version 2.1 or later"
6744 if enabled nonfree; then
6745 license="nonfree and unredistributable"
6746 elif enabled gplv3; then
6747 license="GPL version 3 or later"
6748 elif enabled lgplv3; then
6749 license="LGPL version 3 or later"
6750 elif enabled gpl; then
6751 license="GPL version 2 or later"
6754 if test "$quiet" != "yes"; then
6756 echo "install prefix $prefix"
6757 echo "source path $source_path"
6758 echo "C compiler $cc"
6759 echo "C library $libc_type"
6760 if test "$host_cc" != "$cc"; then
6761 echo "host C compiler $host_cc"
6762 echo "host C library $host_libc_type"
6764 echo "ARCH $arch ($cpu)"
6765 if test "$build_suffix" != ""; then
6766 echo "build suffix $build_suffix"
6768 if test "$progs_suffix" != ""; then
6769 echo "progs suffix $progs_suffix"
6771 if test "$extra_version" != ""; then
6772 echo "version string suffix $extra_version"
6774 echo "big-endian ${bigendian-no}"
6775 echo "runtime cpu detection ${runtime_cpudetect-no}"
6776 if enabled x86; then
6777 echo "standalone assembly ${x86asm-no}"
6778 echo "x86 assembler ${x86asmexe}"
6779 echo "MMX enabled ${mmx-no}"
6780 echo "MMXEXT enabled ${mmxext-no}"
6781 echo "3DNow! enabled ${amd3dnow-no}"
6782 echo "3DNow! extended enabled ${amd3dnowext-no}"
6783 echo "SSE enabled ${sse-no}"
6784 echo "SSSE3 enabled ${ssse3-no}"
6785 echo "AESNI enabled ${aesni-no}"
6786 echo "AVX enabled ${avx-no}"
6787 echo "AVX2 enabled ${avx2-no}"
6788 echo "XOP enabled ${xop-no}"
6789 echo "FMA3 enabled ${fma3-no}"
6790 echo "FMA4 enabled ${fma4-no}"
6791 echo "i686 features enabled ${i686-no}"
6792 echo "CMOV is fast ${fast_cmov-no}"
6793 echo "EBX available ${ebx_available-no}"
6794 echo "EBP available ${ebp_available-no}"
6796 if enabled aarch64; then
6797 echo "NEON enabled ${neon-no}"
6798 echo "VFP enabled ${vfp-no}"
6800 if enabled arm; then
6801 echo "ARMv5TE enabled ${armv5te-no}"
6802 echo "ARMv6 enabled ${armv6-no}"
6803 echo "ARMv6T2 enabled ${armv6t2-no}"
6804 echo "VFP enabled ${vfp-no}"
6805 echo "NEON enabled ${neon-no}"
6806 echo "THUMB enabled ${thumb-no}"
6808 if enabled mips; then
6809 echo "MIPS FPU enabled ${mipsfpu-no}"
6810 echo "MIPS DSP R1 enabled ${mipsdsp-no}"
6811 echo "MIPS DSP R2 enabled ${mipsdspr2-no}"
6812 echo "MIPS MSA enabled ${msa-no}"
6813 echo "LOONGSON MMI enabled ${mmi-no}"
6815 if enabled ppc; then
6816 echo "AltiVec enabled ${altivec-no}"
6817 echo "VSX enabled ${vsx-no}"
6818 echo "POWER8 enabled ${power8-no}"
6819 echo "PPC 4xx optimizations ${ppc4xx-no}"
6820 echo "dcbzl available ${dcbzl-no}"
6822 echo "debug symbols ${debug-no}"
6823 echo "strip symbols ${stripping-no}"
6824 echo "optimize for size ${small-no}"
6825 echo "optimizations ${optimizations-no}"
6826 echo "static ${static-no}"
6827 echo "shared ${shared-no}"
6828 echo "postprocessing support ${postproc-no}"
6829 echo "network support ${network-no}"
6830 echo "threading support ${thread_type-no}"
6831 echo "safe bitstream reader ${safe_bitstream_reader-no}"
6832 echo "texi2html enabled ${texi2html-no}"
6833 echo "perl enabled ${perl-no}"
6834 echo "pod2man enabled ${pod2man-no}"
6835 echo "makeinfo enabled ${makeinfo-no}"
6836 echo "makeinfo supports HTML ${makeinfo_html-no}"
6837 test -n "$random_seed" &&
6838 echo "random seed ${random_seed}"
6841 echo "External libraries:"
6842 print_enabled '' $EXTERNAL_LIBRARY_LIST $EXTERNAL_AUTODETECT_LIBRARY_LIST | print_in_columns
6845 echo "External libraries providing hardware acceleration:"
6846 print_enabled '' $HWACCEL_LIBRARY_LIST $HWACCEL_AUTODETECT_LIBRARY_LIST | print_in_columns
6850 print_enabled '' $LIBRARY_LIST | print_in_columns
6854 print_enabled '' $PROGRAM_LIST | print_in_columns
6857 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
6858 echo "Enabled ${type}s:"
6859 eval list=\$$(toupper $type)_LIST
6860 print_enabled '_*' $list | print_in_columns
6864 if test -n "$ignore_tests"; then
6865 ignore_tests=$(echo $ignore_tests | tr ',' ' ')
6866 echo "Ignored FATE tests:"
6867 echo $ignore_tests | print_in_columns
6871 echo "License: $license"
6873 echo "Creating configuration files ..."
6875 fi # test "$quiet" != "yes"
6877 test -e Makefile || echo "include $source_path/Makefile" > Makefile
6879 enabled stripping || strip="echo skipping strip"
6880 enabled stripping || striptype=""
6882 config_files="$TMPH ffbuild/config.mak doc/config.texi"
6884 cat > ffbuild/config.mak <<EOF
6885 # Automatically generated by configure - do not modify!
6886 ifndef FFMPEG_CONFIG_MAK
6888 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
6890 LIBDIR=\$(DESTDIR)$libdir
6891 SHLIBDIR=\$(DESTDIR)$shlibdir
6892 INCDIR=\$(DESTDIR)$incdir
6893 BINDIR=\$(DESTDIR)$bindir
6894 DATADIR=\$(DESTDIR)$datadir
6895 DOCDIR=\$(DESTDIR)$docdir
6896 MANDIR=\$(DESTDIR)$mandir
6897 PKGCONFIGDIR=\$(DESTDIR)$pkgconfigdir
6898 INSTALL_NAME_DIR=$install_name_dir
6899 SRC_PATH=$source_path
6900 SRC_LINK=$source_link
6901 ifndef MAIN_MAKEFILE
6902 SRC_PATH:=\$(SRC_PATH:.%=..%)
6906 INTRINSICS=$intrinsics
6913 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
6915 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
6917 DEPX86ASM=$x86asmexe
6918 DEPX86ASMFLAGS=\$(X86ASMFLAGS)
6924 STRIPTYPE=$striptype
6931 OBJCFLAGS=$OBJCFLAGS
6933 NVCCFLAGS=$nvccflags
6955 LDEXEFLAGS=$LDEXEFLAGS
6956 LDLIBFLAGS=$LDLIBFLAGS
6957 SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
6958 ASMSTRIPFLAGS=$ASMSTRIPFLAGS
6959 X86ASMFLAGS=$X86ASMFLAGS
6960 BUILDSUF=$build_suffix
6961 PROGSSUF=$progs_suffix
6969 EXTRA_VERSION=$extra_version
6972 CCDEP_FLAGS=$CCDEP_FLAGS
6974 ASDEP_FLAGS=$ASDEP_FLAGS
6975 X86ASMDEP=$X86ASMDEP
6976 X86ASMDEP_FLAGS=$X86ASMDEP_FLAGS
6977 CC_DEPFLAGS=$CC_DEPFLAGS
6978 AS_DEPFLAGS=$AS_DEPFLAGS
6979 X86ASM_DEPFLAGS=$X86ASM_DEPFLAGS
6982 HOSTCFLAGS=$host_cflags
6983 HOSTCPPFLAGS=$host_cppflags
6984 HOSTEXESUF=$HOSTEXESUF
6985 HOSTLDFLAGS=$host_ldflags
6986 HOSTEXTRALIBS=$host_extralibs
6988 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
6989 HOSTCCDEP=$HOSTCCDEP
6990 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
6991 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
6995 TARGET_EXEC=$target_exec $target_exec_args
6996 TARGET_PATH=$target_path
6997 TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}
6998 CFLAGS-ffplay=${sdl2_cflags}
6999 CFLAGS_HEADERS=$CFLAGS_HEADERS
7000 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
7001 EXTRALIBS=$extralibs
7002 COMPAT_OBJS=$compat_objs
7004 LIBTARGET=${LIBTARGET}
7005 SLIBNAME=${SLIBNAME}
7006 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
7007 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
7008 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
7009 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
7010 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
7011 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
7012 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
7013 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
7014 VERSION_SCRIPT_POSTPROCESS_CMD=${VERSION_SCRIPT_POSTPROCESS_CMD}
7015 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
7016 NOREDZONE_FLAGS=$noredzone_flags
7017 LIBFUZZER_PATH=$libfuzzer_path
7018 IGNORE_TESTS=$ignore_tests
7021 map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> ffbuild/config.mak' $LIBRARY_LIST
7023 for entry in $LIBRARY_LIST $PROGRAM_LIST $EXTRALIBS_LIST; do
7024 eval echo "EXTRALIBS-${entry}=\$${entry}_extralibs" >> ffbuild/config.mak
7028 /* Automatically generated by configure - do not modify! */
7029 #ifndef FFMPEG_CONFIG_H
7030 #define FFMPEG_CONFIG_H
7031 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
7032 #define FFMPEG_LICENSE "$(c_escape $license)"
7033 #define CONFIG_THIS_YEAR 2017
7034 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
7035 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
7036 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
7037 #define av_restrict $_restrict
7038 #define EXTERN_PREFIX "${extern_prefix}"
7039 #define EXTERN_ASM ${extern_prefix}
7040 #define BUILDSUF "$build_suffix"
7041 #define SLIBSUF "$SLIBSUF"
7042 #define HAVE_MMX2 HAVE_MMXEXT
7043 #define SWS_MAX_FILTER_SIZE $sws_max_filter_size
7046 test -n "$assert_level" &&
7047 echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
7049 test -n "$malloc_prefix" &&
7050 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
7052 if enabled x86asm; then
7053 append config_files $TMPASM
7057 enabled getenv || echo "#define getenv(x) NULL" >> $TMPH
7063 echo "@c auto-generated by configure - do not modify! " > doc/config.texi
7065 print_config ARCH_ "$config_files" $ARCH_LIST
7066 print_config HAVE_ "$config_files" $HAVE_LIST
7067 print_config CONFIG_ "$config_files" $CONFIG_LIST \
7071 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
7072 echo "endif # FFMPEG_CONFIG_MAK" >> ffbuild/config.mak
7074 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
7075 cp_if_changed $TMPH config.h
7076 touch ffbuild/.config
7078 enabled x86asm && cp_if_changed $TMPASM config.asm
7081 /* Generated by ffconf */
7082 #ifndef AVUTIL_AVCONFIG_H
7083 #define AVUTIL_AVCONFIG_H
7086 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
7088 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
7090 cp_if_changed $TMPH libavutil/avconfig.h
7092 # generate the lists of enabled components
7093 print_enabled_components(){
7098 echo "static const $struct_name * const $name[] = {" > $TMPH
7100 enabled $c && printf " &ff_%s,\n" $c >> $TMPH
7102 echo " NULL };" >> $TMPH
7103 cp_if_changed $TMPH $file
7106 print_enabled_components libavcodec/bsf_list.c AVBitStreamFilter bitstream_filters $BSF_LIST
7107 print_enabled_components libavformat/protocol_list.c URLProtocol url_protocols $PROTOCOL_LIST
7109 if test -n "$WARNINGS"; then
7110 printf "\n%s%s$WARNINGS%s" "$warn_color" "$bold_color" "$reset_color"
7111 enabled fatal_warnings && exit 1
7114 # Settings for pkg-config files
7116 cat > ffbuild/config.sh <<EOF
7117 # Automatically generated by configure - do not modify!
7119 build_suffix=$build_suffix
7123 rpath=$(enabled rpath && echo "-Wl,-rpath,\${libdir}")
7124 source_path=${source_path}
7127 extralibs_avutil="$avutil_extralibs"
7128 extralibs_avcodec="$avcodec_extralibs"
7129 extralibs_avformat="$avformat_extralibs"
7130 extralibs_avdevice="$avdevice_extralibs"
7131 extralibs_avfilter="$avfilter_extralibs"
7132 extralibs_avresample="$avresample_extralibs"
7133 extralibs_postproc="$postproc_extralibs"
7134 extralibs_swscale="$swscale_extralibs"
7135 extralibs_swresample="$swresample_extralibs"
7138 for lib in $LIBRARY_LIST; do
7139 lib_deps="$(eval echo \$${lib}_deps)"
7140 echo ${lib}_deps=\"$lib_deps\" >> ffbuild/config.sh