build: add support for building .cu files via nvcc
[ffmpeg.git] / configure
1 #!/bin/sh
2 #
3 # FFmpeg configure script
4 #
5 # Copyright (c) 2000-2002 Fabrice Bellard
6 # Copyright (c) 2005-2008 Diego Biurrun
7 # Copyright (c) 2005-2008 Mans Rullgard
8 #
9
10 # Prevent locale nonsense from breaking basic text processing.
11 LC_ALL=C
12 export LC_ALL
13
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
16
17 try_exec(){
18     echo "Trying shell $1"
19     type "$1" > /dev/null 2>&1 && exec "$@"
20 }
21
22 unset foo
23 (: ${foo%%bar}) 2> /dev/null
24 E1="$?"
25
26 (: ${foo?}) 2> /dev/null
27 E2="$?"
28
29 if test "$E1" != 0 || test "$E2" = 0; then
30     echo "Broken shell detected.  Trying alternatives."
31     export FF_CONF_EXEC
32     if test "0$FF_CONF_EXEC" -lt 1; then
33         FF_CONF_EXEC=1
34         try_exec bash "$0" "$@"
35     fi
36     if test "0$FF_CONF_EXEC" -lt 2; then
37         FF_CONF_EXEC=2
38         try_exec ksh "$0" "$@"
39     fi
40     if test "0$FF_CONF_EXEC" -lt 3; then
41         FF_CONF_EXEC=3
42         try_exec /usr/xpg4/bin/sh "$0" "$@"
43     fi
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."
53     fi
54     exit 1
55 fi
56
57 test -d /usr/xpg4/bin && PATH=/usr/xpg4/bin:$PATH
58
59 show_help(){
60     cat <<EOF
61 Usage: configure [options]
62 Options: [defaults in brackets after descriptions]
63
64 Help options:
65   --help                   print this message
66   --quiet                  Suppress showing informative output
67   --list-decoders          show all available decoders
68   --list-encoders          show all available encoders
69   --list-hwaccels          show all available hardware accelerators
70   --list-demuxers          show all available demuxers
71   --list-muxers            show all available muxers
72   --list-parsers           show all available parsers
73   --list-protocols         show all available protocols
74   --list-bsfs              show all available bitstream filters
75   --list-indevs            show all available input devices
76   --list-outdevs           show all available output devices
77   --list-filters           show all available filters
78
79 Standard options:
80   --logfile=FILE           log tests and output to FILE [ffbuild/config.log]
81   --disable-logging        do not log configure debug information
82   --fatal-warnings         fail if any configure warning is generated
83   --prefix=PREFIX          install in PREFIX [$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
96
97 Licensing options:
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]
103
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   --enable-raise-major     increase major version numbers in sonames [no]
113
114 Program options:
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
120
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
127
128 Component options:
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
151
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
189 External library support:
190
191   Using any of the following switches will allow FFmpeg to link to the
192   corresponding external library. All the components depending on that library
193   will become enabled, if all their other dependencies are met and they are not
194   explicitly disabled. E.g. --enable-libwavpack will enable linking to
195   libwavpack and allow the libwavpack encoder to be built, unless it is
196   specifically disabled with --disable-encoder=libwavpack.
197
198   Note that only the system libraries are auto-detected. All the other external
199   libraries must be explicitly enabled.
200
201   Also note that the following help text describes the purpose of the libraries
202   themselves, not all their features will necessarily be usable by FFmpeg.
203
204   --enable-avisynth        enable reading of AviSynth script files [no]
205   --disable-bzlib          disable bzlib [autodetect]
206   --enable-chromaprint     enable audio fingerprinting with chromaprint [no]
207   --enable-frei0r          enable frei0r video filtering [no]
208   --enable-gcrypt          enable gcrypt, needed for rtmp(t)e support
209                            if openssl, librtmp or gmp is not used [no]
210   --enable-gmp             enable gmp, needed for rtmp(t)e support
211                            if openssl or librtmp is not used [no]
212   --enable-gnutls          enable gnutls, needed for https support
213                            if openssl is not used [no]
214   --disable-iconv          disable iconv [autodetect]
215   --enable-jni             enable JNI support [no]
216   --enable-ladspa          enable LADSPA audio filtering [no]
217   --enable-libass          enable libass subtitles rendering,
218                            needed for subtitles and ass filter [no]
219   --enable-libbluray       enable BluRay reading using libbluray [no]
220   --enable-libbs2b         enable bs2b DSP library [no]
221   --enable-libcaca         enable textual display using libcaca [no]
222   --enable-libcelt         enable CELT decoding via libcelt [no]
223   --enable-libcdio         enable audio CD grabbing with libcdio [no]
224   --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394
225                            and libraw1394 [no]
226   --enable-libfdk-aac      enable AAC de/encoding via libfdk-aac [no]
227   --enable-libflite        enable flite (voice synthesis) support via libflite [no]
228   --enable-libfontconfig   enable libfontconfig, useful for drawtext filter [no]
229   --enable-libfreetype     enable libfreetype, needed for drawtext filter [no]
230   --enable-libfribidi      enable libfribidi, improves drawtext filter [no]
231   --enable-libgme          enable Game Music Emu via libgme [no]
232   --enable-libgsm          enable GSM de/encoding via libgsm [no]
233   --enable-libiec61883     enable iec61883 via libiec61883 [no]
234   --enable-libilbc         enable iLBC de/encoding via libilbc [no]
235   --enable-libkvazaar      enable HEVC encoding via libkvazaar [no]
236   --enable-libmodplug      enable ModPlug via libmodplug [no]
237   --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]
238   --enable-libnut          enable NUT (de)muxing via libnut,
239                            native (de)muxer exists [no]
240   --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
241   --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
242   --enable-libopencv       enable video filtering via libopencv [no]
243   --enable-libopenh264     enable H.264 encoding via OpenH264 [no]
244   --enable-libopenjpeg     enable JPEG 2000 de/encoding via OpenJPEG [no]
245   --enable-libopenmpt      enable decoding tracked files via libopenmpt [no]
246   --enable-libopus         enable Opus de/encoding via libopus [no]
247   --enable-libpulse        enable Pulseaudio input via libpulse [no]
248   --enable-librubberband   enable rubberband needed for rubberband filter [no]
249   --enable-librtmp         enable RTMP[E] support via librtmp [no]
250   --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
251   --enable-libshine        enable fixed-point MP3 encoding via libshine [no]
252   --enable-libsmbclient    enable Samba protocol via libsmbclient [no]
253   --enable-libsnappy       enable Snappy compression, needed for hap encoding [no]
254   --enable-libsoxr         enable Include libsoxr resampling [no]
255   --enable-libspeex        enable Speex de/encoding via libspeex [no]
256   --enable-libssh          enable SFTP protocol via libssh [no]
257   --enable-libtesseract    enable Tesseract, needed for ocr filter [no]
258   --enable-libtheora       enable Theora encoding via libtheora [no]
259   --enable-libtwolame      enable MP2 encoding via libtwolame [no]
260   --enable-libv4l2         enable libv4l2/v4l-utils [no]
261   --enable-libvidstab      enable video stabilization using vid.stab [no]
262   --enable-libvo-amrwbenc  enable AMR-WB encoding via libvo-amrwbenc [no]
263   --enable-libvorbis       enable Vorbis en/decoding via libvorbis,
264                            native implementation exists [no]
265   --enable-libvpx          enable VP8 and VP9 de/encoding via libvpx [no]
266   --enable-libwavpack      enable wavpack encoding via libwavpack [no]
267   --enable-libwebp         enable WebP encoding via libwebp [no]
268   --enable-libx264         enable H.264 encoding via x264 [no]
269   --enable-libx265         enable HEVC encoding via x265 [no]
270   --enable-libxavs         enable AVS encoding via xavs [no]
271   --enable-libxcb          enable X11 grabbing using XCB [autodetect]
272   --enable-libxcb-shm      enable X11 grabbing shm communication [autodetect]
273   --enable-libxcb-xfixes   enable X11 grabbing mouse rendering [autodetect]
274   --enable-libxcb-shape    enable X11 grabbing shape rendering [autodetect]
275   --enable-libxvid         enable Xvid encoding via xvidcore,
276                            native MPEG-4/Xvid encoder exists [no]
277   --enable-libzimg         enable z.lib, needed for zscale filter [no]
278   --enable-libzmq          enable message passing via libzmq [no]
279   --enable-libzvbi         enable teletext support via libzvbi [no]
280   --disable-lzma           disable lzma [autodetect]
281   --enable-decklink        enable Blackmagic DeckLink I/O support [no]
282   --enable-mediacodec      enable Android MediaCodec support [no]
283   --enable-netcdf          enable NetCDF, needed for sofalizer filter [no]
284   --enable-openal          enable OpenAL 1.1 capture support [no]
285   --enable-opencl          enable OpenCL code
286   --enable-opengl          enable OpenGL rendering [no]
287   --enable-openssl         enable openssl, needed for https support
288                            if gnutls is not used [no]
289   --disable-schannel       disable SChannel SSP, needed for TLS support on
290                            Windows if openssl and gnutls are not used [autodetect]
291   --disable-sdl2           disable sdl2 [autodetect]
292   --disable-securetransport disable Secure Transport, needed for TLS support
293                            on OSX if openssl and gnutls are not used [autodetect]
294   --disable-xlib           disable xlib [autodetect]
295   --disable-zlib           disable zlib [autodetect]
296
297   The following libraries provide various hardware acceleration features:
298   --disable-audiotoolbox   disable Apple AudioToolbox code [autodetect]
299   --disable-cuda           disable dynamically linked Nvidia CUDA code [autodetect]
300   --enable-cuda-sdk        enable CUDA features that require the CUDA SDK [no]
301   --disable-cuvid          disable Nvidia CUVID support [autodetect]
302   --disable-d3d11va        disable Microsoft Direct3D 11 video acceleration code [autodetect]
303   --disable-dxva2          disable Microsoft DirectX 9 video acceleration code [autodetect]
304   --enable-libmfx          enable Intel MediaSDK (AKA Quick Sync Video) code via libmfx [no]
305   --enable-libnpp          enable Nvidia Performance Primitives-based code [no]
306   --enable-mmal            enable Broadcom Multi-Media Abstraction Layer (Raspberry Pi) via MMAL [no]
307   --disable-nvenc          disable Nvidia video encoding code [autodetect]
308   --enable-omx             enable OpenMAX IL code [no]
309   --enable-omx-rpi         enable OpenMAX IL code for Raspberry Pi [no]
310   --disable-vaapi          disable Video Acceleration API (mainly Unix/Intel) code [autodetect]
311   --disable-vda            disable Apple Video Decode Acceleration code [autodetect]
312   --disable-vdpau          disable Nvidia Video Decode and Presentation API for Unix code [autodetect]
313   --disable-videotoolbox   disable VideoToolbox code [autodetect]
314
315 Toolchain options:
316   --arch=ARCH              select architecture [$arch]
317   --cpu=CPU                select the minimum required CPU (affects
318                            instruction selection, may crash on older CPUs)
319   --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]
320   --progs-suffix=SUFFIX    program name suffix []
321   --enable-cross-compile   assume a cross-compiler is used
322   --sysroot=PATH           root of cross-build tree
323   --sysinclude=PATH        location of cross-build system headers
324   --target-os=OS           compiler targets OS [$target_os]
325   --target-exec=CMD        command to run executables on target
326   --target-path=DIR        path to view of build directory on target
327   --target-samples=DIR     path to samples directory on target
328   --tempprefix=PATH        force fixed dir/prefix instead of mktemp for checks
329   --toolchain=NAME         set tool defaults according to NAME
330   --nm=NM                  use nm tool NM [$nm_default]
331   --ar=AR                  use archive tool AR [$ar_default]
332   --as=AS                  use assembler AS [$as_default]
333   --ln_s=LN_S              use symbolic link tool LN_S [$ln_s_default]
334   --strip=STRIP            use strip tool STRIP [$strip_default]
335   --windres=WINDRES        use windows resource compiler WINDRES [$windres_default]
336   --yasmexe=EXE            use yasm-compatible assembler EXE [$yasmexe_default]
337   --cc=CC                  use C compiler CC [$cc_default]
338   --cxx=CXX                use C compiler CXX [$cxx_default]
339   --objcc=OCC              use ObjC compiler OCC [$cc_default]
340   --dep-cc=DEPCC           use dependency generator DEPCC [$cc_default]
341   --nvcc=NVCC              use Nvidia CUDA compiler NVCC [$nvcc_default]
342   --ld=LD                  use linker LD [$ld_default]
343   --pkg-config=PKGCONFIG   use pkg-config tool PKGCONFIG [$pkg_config_default]
344   --pkg-config-flags=FLAGS pass additional flags to pkgconf []
345   --ranlib=RANLIB          use ranlib RANLIB [$ranlib_default]
346   --doxygen=DOXYGEN        use DOXYGEN to generate API doc [$doxygen_default]
347   --host-cc=HOSTCC         use host C compiler HOSTCC
348   --host-cflags=HCFLAGS    use HCFLAGS when compiling for host
349   --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
350   --host-ld=HOSTLD         use host linker HOSTLD
351   --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host
352   --host-libs=HLIBS        use libs HLIBS when linking for host
353   --host-os=OS             compiler host OS [$target_os]
354   --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]
355   --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
356   --extra-objcflags=FLAGS  add FLAGS to OBJCFLAGS [$CFLAGS]
357   --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
358   --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
359   --extra-ldlibflags=ELDFLAGS add ELDFLAGS to LDLIBFLAGS [$LDLIBFLAGS]
360   --extra-libs=ELIBS       add ELIBS [$ELIBS]
361   --extra-version=STRING   version string suffix []
362   --optflags=OPTFLAGS      override optimization-related compiler flags
363   --nvccflags=NVCCFLAGS    override nvcc flags [$nvccflags_default]
364   --build-suffix=SUFFIX    library name suffix []
365   --enable-pic             build position-independent code
366   --enable-thumb           compile for Thumb instruction set
367   --enable-lto             use link-time optimization
368   --env="ENV=override"     override the environment variables
369
370 Advanced options (experts only):
371   --malloc-prefix=PREFIX   prefix malloc and related names with PREFIX
372   --custom-allocator=NAME  use a supported custom allocator
373   --disable-symver         disable symbol versioning
374   --enable-hardcoded-tables use hardcoded tables instead of runtime generation
375   --disable-safe-bitstream-reader
376                            disable buffer boundary checking in bitreaders
377                            (faster, but may crash)
378   --sws-max-filter-size=N  the max filter size swscale uses [$sws_max_filter_size_default]
379
380 Optimization options (experts only):
381   --disable-asm            disable all assembly optimizations
382   --disable-altivec        disable AltiVec optimizations
383   --disable-vsx            disable VSX optimizations
384   --disable-power8         disable POWER8 optimizations
385   --disable-amd3dnow       disable 3DNow! optimizations
386   --disable-amd3dnowext    disable 3DNow! extended optimizations
387   --disable-mmx            disable MMX optimizations
388   --disable-mmxext         disable MMXEXT optimizations
389   --disable-sse            disable SSE optimizations
390   --disable-sse2           disable SSE2 optimizations
391   --disable-sse3           disable SSE3 optimizations
392   --disable-ssse3          disable SSSE3 optimizations
393   --disable-sse4           disable SSE4 optimizations
394   --disable-sse42          disable SSE4.2 optimizations
395   --disable-avx            disable AVX optimizations
396   --disable-xop            disable XOP optimizations
397   --disable-fma3           disable FMA3 optimizations
398   --disable-fma4           disable FMA4 optimizations
399   --disable-avx2           disable AVX2 optimizations
400   --disable-aesni          disable AESNI optimizations
401   --disable-armv5te        disable armv5te optimizations
402   --disable-armv6          disable armv6 optimizations
403   --disable-armv6t2        disable armv6t2 optimizations
404   --disable-vfp            disable VFP optimizations
405   --disable-neon           disable NEON optimizations
406   --disable-inline-asm     disable use of inline assembly
407   --disable-yasm           disable use of nasm/yasm assembly
408   --disable-mipsdsp        disable MIPS DSP ASE R1 optimizations
409   --disable-mipsdspr2      disable MIPS DSP ASE R2 optimizations
410   --disable-msa            disable MSA optimizations
411   --disable-mipsfpu        disable floating point MIPS optimizations
412   --disable-mmi            disable Loongson SIMD optimizations
413   --disable-fast-unaligned consider unaligned accesses slow
414
415 Developer options (useful when working on FFmpeg itself):
416   --disable-debug          disable debugging symbols
417   --enable-debug=LEVEL     set the debug level [$debuglevel]
418   --disable-optimizations  disable compiler optimizations
419   --enable-extra-warnings  enable more compiler warnings
420   --disable-stripping      disable stripping of executables and shared libraries
421   --assert-level=level     0(default), 1 or 2, amount of assertion testing,
422                            2 causes a slowdown at runtime.
423   --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
424   --valgrind=VALGRIND      run "make fate" tests through valgrind to detect memory
425                            leaks and errors, using the specified valgrind binary.
426                            Cannot be combined with --target-exec
427   --enable-ftrapv          Trap arithmetic overflows
428   --samples=PATH           location of test samples for FATE, if not set use
429                            \$FATE_SAMPLES at make invocation time.
430   --enable-neon-clobber-test check NEON registers for clobbering (should be
431                            used only for debugging purposes)
432   --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
433                            should be used only for debugging purposes)
434   --enable-random          randomly enable/disable components
435   --disable-random
436   --enable-random=LIST     randomly enable/disable specific components or
437   --disable-random=LIST    component groups. LIST is a comma-separated list
438                            of NAME[:PROB] entries where NAME is a component
439                            (group) and PROB the probability associated with
440                            NAME (default 0.5).
441   --random-seed=VALUE      seed value for --enable/disable-random
442   --disable-valgrind-backtrace do not print a backtrace under Valgrind
443                            (only applies to --disable-optimizations builds)
444   --enable-osfuzz          Enable building fuzzer tool
445   --libfuzzer=PATH         path to libfuzzer
446   --ignore-tests=TESTS     comma-separated list (without "fate-" prefix
447                            in the name) of tests whose result is ignored
448
449 NOTE: Object files are built at the place where configure is launched.
450 EOF
451   exit 0
452 }
453
454 quotes='""'
455 if test -t 1 && which tput >/dev/null 2>&1; then
456     ncolors=$(tput colors)
457     if test -n "$ncolors" && test $ncolors -ge 8; then
458         bold_color=$(tput bold)
459         warn_color=$(tput setaf 3)
460         error_color=$(tput setaf 1)
461         reset_color=$(tput sgr0)
462     fi
463     # 72 used instead of 80 since that's the default of pr
464     ncols=$(tput cols)
465 fi
466 : ${ncols:=72}
467
468 log(){
469     echo "$@" >> $logfile
470 }
471
472 log_file(){
473     log BEGIN $1
474     pr -n -t $1 >> $logfile
475     log END $1
476 }
477
478 warn(){
479     log "WARNING: $*"
480     WARNINGS="${WARNINGS}WARNING: $*\n"
481 }
482
483 die(){
484     log "$@"
485     echo "$error_color$bold_color$@$reset_color"
486     cat <<EOF
487
488 If you think configure made a mistake, make sure you are using the latest
489 version from Git.  If the latest version fails, report the problem to the
490 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
491 EOF
492     if disabled logging; then
493         cat <<EOF
494 Rerun configure with logging enabled (do not use --disable-logging), and
495 include the log this produces with your report.
496 EOF
497     else
498         cat <<EOF
499 Include the log file "$logfile" produced by configure as this will help
500 solve the problem.
501 EOF
502     fi
503     exit 1
504 }
505
506 # Avoid locale weirdness, besides we really just want to translate ASCII.
507 toupper(){
508     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
509 }
510
511 tolower(){
512     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
513 }
514
515 c_escape(){
516     echo "$*" | sed 's/["\\]/\\\0/g'
517 }
518
519 sh_quote(){
520     v=$(echo "$1" | sed "s/'/'\\\\''/g")
521     test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
522     echo "$v"
523 }
524
525 cleanws(){
526     echo "$@" | sed 's/^ *//;s/[[:space:]][[:space:]]*/ /g;s/ *$//'
527 }
528
529 filter(){
530     pat=$1
531     shift
532     for v; do
533         eval "case $v in $pat) printf '%s ' $v ;; esac"
534     done
535 }
536
537 filter_out(){
538     pat=$1
539     shift
540     for v; do
541         eval "case $v in $pat) ;; *) printf '%s ' $v ;; esac"
542     done
543 }
544
545 map(){
546     m=$1
547     shift
548     for v; do eval $m; done
549 }
550
551 add_suffix(){
552     suffix=$1
553     shift
554     for v; do echo ${v}${suffix}; done
555 }
556
557 set_all(){
558     value=$1
559     shift
560     for var in $*; do
561         eval $var=$value
562     done
563 }
564
565 set_weak(){
566     value=$1
567     shift
568     for var; do
569         eval : \${$var:=$value}
570     done
571 }
572
573 sanitize_var_name(){
574     echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
575 }
576
577 set_safe(){
578     var=$1
579     shift
580     eval $(sanitize_var_name "$var")='$*'
581 }
582
583 get_safe(){
584     eval echo \$$(sanitize_var_name "$1")
585 }
586
587 pushvar(){
588     for pvar in $*; do
589         eval level=\${${pvar}_level:=0}
590         eval ${pvar}_${level}="\$$pvar"
591         eval ${pvar}_level=$(($level+1))
592     done
593 }
594
595 popvar(){
596     for pvar in $*; do
597         eval level=\${${pvar}_level:-0}
598         test $level = 0 && continue
599         eval level=$(($level-1))
600         eval $pvar="\${${pvar}_${level}}"
601         eval ${pvar}_level=$level
602         eval unset ${pvar}_${level}
603     done
604 }
605
606 request(){
607     for var in $*; do
608         eval ${var}_requested=yes
609         eval $var=
610     done
611 }
612
613 enable(){
614     set_all yes $*
615 }
616
617 disable(){
618     set_all no $*
619 }
620
621 enable_weak(){
622     set_weak yes $*
623 }
624
625 disable_weak(){
626     set_weak no $*
627 }
628
629 enable_safe(){
630     for var; do
631         enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
632     done
633 }
634
635 disable_safe(){
636     for var; do
637         disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
638     done
639 }
640
641 do_enable_deep(){
642     for var; do
643         enabled $var && continue
644         eval sel="\$${var}_select"
645         eval sgs="\$${var}_suggest"
646         pushvar var sgs
647         enable_deep $sel
648         popvar sgs
649         enable_deep_weak $sgs
650         popvar var
651     done
652 }
653
654 enable_deep(){
655     do_enable_deep $*
656     enable $*
657 }
658
659 enable_deep_weak(){
660     for var; do
661         disabled $var && continue
662         pushvar var
663         do_enable_deep $var
664         popvar var
665         enable_weak $var
666     done
667 }
668
669 requested(){
670     test "${1#!}" = "$1" && op='=' || op=!=
671     eval test "x\$${1#!}_requested" $op "xyes"
672 }
673
674 enabled(){
675     test "${1#!}" = "$1" && op='=' || op=!=
676     eval test "x\$${1#!}" $op "xyes"
677 }
678
679 disabled(){
680     test "${1#!}" = "$1" && op='=' || op=!=
681     eval test "x\$${1#!}" $op "xno"
682 }
683
684 enabled_all(){
685     for opt; do
686         enabled $opt || return 1
687     done
688 }
689
690 disabled_all(){
691     for opt; do
692         disabled $opt || return 1
693     done
694 }
695
696 enabled_any(){
697     for opt; do
698         enabled $opt && return 0
699     done
700 }
701
702 disabled_any(){
703     for opt; do
704         disabled $opt && return 0
705     done
706     return 1
707 }
708
709 set_default(){
710     for opt; do
711         eval : \${$opt:=\$${opt}_default}
712     done
713 }
714
715 is_in(){
716     value=$1
717     shift
718     for var in $*; do
719         [ $var = $value ] && return 0
720     done
721     return 1
722 }
723
724 do_check_deps(){
725     for cfg; do
726         cfg="${cfg#!}"
727         enabled ${cfg}_checking && die "Circular dependency for $cfg."
728         disabled ${cfg}_checking && continue
729         enable ${cfg}_checking
730         append allopts $cfg
731
732         eval dep_all="\$${cfg}_deps"
733         eval dep_any="\$${cfg}_deps_any"
734         eval dep_sel="\$${cfg}_select"
735         eval dep_sgs="\$${cfg}_suggest"
736         eval dep_ifa="\$${cfg}_if"
737         eval dep_ifn="\$${cfg}_if_any"
738
739         pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
740         do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
741         popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
742
743         [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
744         [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
745         enabled_all  $dep_all || { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but not all dependencies are satisfied: $dep_all"; }
746         enabled_any  $dep_any || { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but not any dependency is satisfied: $dep_any"; }
747         disabled_any $dep_sel && { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but some selected dependency is unsatisfied: $dep_sel"; }
748
749         if enabled $cfg; then
750             enable_deep $dep_sel
751             enable_deep_weak $dep_sgs
752         fi
753
754         disable ${cfg}_checking
755     done
756 }
757
758 check_deps(){
759     unset allopts
760
761     do_check_deps "$@"
762
763     for cfg in $allopts; do
764         enabled $cfg || continue
765         eval dep_extralibs="\$${cfg}_extralibs"
766         test -n "$dep_extralibs" && add_extralibs $dep_extralibs
767     done
768 }
769
770 print_config(){
771     pfx=$1
772     files=$2
773     shift 2
774     map 'eval echo "$v \${$v:-no}"' "$@" |
775     awk "BEGIN { split(\"$files\", files) }
776         {
777             c = \"$pfx\" toupper(\$1);
778             v = \$2;
779             sub(/yes/, 1, v);
780             sub(/no/,  0, v);
781             for (f in files) {
782                 file = files[f];
783                 if (file ~ /\\.h\$/) {
784                     printf(\"#define %s %d\\n\", c, v) >>file;
785                 } else if (file ~ /\\.asm\$/) {
786                     printf(\"%%define %s %d\\n\", c, v) >>file;
787                 } else if (file ~ /\\.mak\$/) {
788                     n = -v ? \"\" : \"!\";
789                     printf(\"%s%s=yes\\n\", n, c) >>file;
790                 } else if (file ~ /\\.texi\$/) {
791                     pre = -v ? \"\" : \"@c \";
792                     yesno = \$2;
793                     c2 = tolower(c);
794                     gsub(/_/, \"-\", c2);
795                     printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
796                 }
797             }
798         }"
799 }
800
801 print_enabled(){
802     suf=$1
803     shift
804     for v; do
805         enabled $v && printf "%s\n" ${v%$suf}
806     done
807 }
808
809 append(){
810     var=$1
811     shift
812     eval "$var=\"\$$var $*\""
813 }
814
815 prepend(){
816     var=$1
817     shift
818     eval "$var=\"$* \$$var\""
819 }
820
821 unique(){
822     var=$1
823     uniq_list=""
824     for tok in $(eval echo \$$var); do
825         uniq_list="$(filter_out $tok $uniq_list) $tok"
826     done
827     eval "$var=\"${uniq_list}\""
828 }
829
830 add_cppflags(){
831     append CPPFLAGS "$@"
832 }
833
834 add_cflags(){
835     append CFLAGS $($cflags_filter "$@")
836 }
837
838 add_cflags_headers(){
839     append CFLAGS_HEADERS $($cflags_filter "$@")
840 }
841
842 add_cxxflags(){
843     append CXXFLAGS $($cflags_filter "$@")
844 }
845
846 add_asflags(){
847     append ASFLAGS $($asflags_filter "$@")
848 }
849
850 add_objcflags(){
851     append OBJCFLAGS $($objcflags_filter "$@")
852 }
853
854 add_ldflags(){
855     append LDFLAGS $($ldflags_filter "$@")
856 }
857
858 add_ldexeflags(){
859     append LDEXEFLAGS $($ldflags_filter "$@")
860 }
861
862 add_ldlibflags(){
863     append LDLIBFLAGS $($ldflags_filter "$@")
864 }
865
866 add_stripflags(){
867     append ASMSTRIPFLAGS "$@"
868 }
869
870 add_extralibs(){
871     prepend extralibs $($ldflags_filter "$@")
872 }
873
874 add_host_cppflags(){
875     append host_cppflags "$@"
876 }
877
878 add_host_cflags(){
879     append host_cflags $($host_cflags_filter "$@")
880 }
881
882 add_host_ldflags(){
883     append host_ldflags $($host_ldflags_filter "$@")
884 }
885
886 add_compat(){
887     append compat_objs $1
888     shift
889     map 'add_cppflags -D$v' "$@"
890 }
891
892 check_cmd(){
893     log "$@"
894     "$@" >> $logfile 2>&1
895 }
896
897 check_stat(){
898     log check_stat "$@"
899     stat "$1" >> $logfile 2>&1
900 }
901
902 cc_o(){
903     eval printf '%s\\n' $CC_O
904 }
905
906 cc_e(){
907     eval printf '%s\\n' $CC_E
908 }
909
910 check_cc(){
911     log check_cc "$@"
912     cat > $TMPC
913     log_file $TMPC
914     check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
915 }
916
917 check_cxx(){
918     log check_cxx "$@"
919     cat > $TMPCPP
920     log_file $TMPCPP
921     check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
922 }
923
924 check_objcc(){
925     log check_objcc "$@"
926     cat > $TMPM
927     log_file $TMPM
928     check_cmd $objcc -Werror=missing-prototypes $CPPFLAGS $CFLAGS $OBJCFLAGS "$@" $OBJCC_C $(cc_o $TMPO) $TMPM
929 }
930
931 check_cpp(){
932     log check_cpp "$@"
933     cat > $TMPC
934     log_file $TMPC
935     check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
936 }
937
938 as_o(){
939     eval printf '%s\\n' $AS_O
940 }
941
942 check_as(){
943     log check_as "$@"
944     cat > $TMPS
945     log_file $TMPS
946     check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
947 }
948
949 check_inline_asm(){
950     log check_inline_asm "$@"
951     name="$1"
952     code="$2"
953     shift 2
954     disable $name
955     check_cc "$@" <<EOF && enable $name
956 void foo(void){ __asm__ volatile($code); }
957 EOF
958 }
959
960 check_inline_asm_flags(){
961     log check_inline_asm_flags "$@"
962     name="$1"
963     code="$2"
964     flags=''
965     shift 2
966     while [ "$1" != "" ]; do
967       append flags $1
968       shift
969     done;
970     disable $name
971     cat > $TMPC <<EOF
972 void foo(void){ __asm__ volatile($code); }
973 EOF
974     log_file $TMPC
975     check_cmd $cc $CPPFLAGS $CFLAGS $flags "$@" $CC_C $(cc_o $TMPO) $TMPC &&
976     enable $name && add_cflags $flags && add_asflags $flags && add_ldflags $flags
977 }
978
979 check_insn(){
980     log check_insn "$@"
981     check_inline_asm ${1}_inline "\"$2\""
982     echo "$2" | check_as && enable ${1}_external || disable ${1}_external
983 }
984
985 check_yasm(){
986     log check_yasm "$@"
987     echo "$1" > $TMPS
988     log_file $TMPS
989     shift 1
990     check_cmd $yasmexe $YASMFLAGS -Werror "$@" -o $TMPO $TMPS
991 }
992
993 ld_o(){
994     eval printf '%s\\n' $LD_O
995 }
996
997 check_ld(){
998     log check_ld "$@"
999     type=$1
1000     shift 1
1001     flags=$(filter_out '-l*|*.so' $@)
1002     libs=$(filter '-l*|*.so' $@)
1003     check_$type $($cflags_filter $flags) || return
1004     flags=$($ldflags_filter $flags)
1005     libs=$($ldflags_filter $libs)
1006     check_cmd $ld $LDFLAGS $LDEXEFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
1007 }
1008
1009 print_include(){
1010     hdr=$1
1011     test "${hdr%.h}" = "${hdr}" &&
1012         echo "#include $hdr"    ||
1013         echo "#include <$hdr>"
1014 }
1015
1016 check_code(){
1017     log check_code "$@"
1018     check=$1
1019     headers=$2
1020     code=$3
1021     shift 3
1022     {
1023         for hdr in $headers; do
1024             print_include $hdr
1025         done
1026         echo "int main(void) { $code; return 0; }"
1027     } | check_$check "$@"
1028 }
1029
1030 check_cppflags(){
1031     log check_cppflags "$@"
1032     check_cpp "$@" <<EOF && append CPPFLAGS "$@"
1033 int x;
1034 EOF
1035 }
1036
1037 test_cflags(){
1038     log test_cflags "$@"
1039     set -- $($cflags_filter "$@")
1040     check_cc "$@" <<EOF
1041 int x;
1042 EOF
1043 }
1044
1045 check_cflags(){
1046     log check_cflags "$@"
1047     test_cflags "$@" && add_cflags "$@"
1048 }
1049
1050 check_cxxflags(){
1051     log check_cxxflags "$@"
1052     set -- $($cflags_filter "$@")
1053     check_cxx "$@" <<EOF && append CXXFLAGS "$@"
1054 int x;
1055 EOF
1056 }
1057
1058 test_objcflags(){
1059     log test_objcflags "$@"
1060     set -- $($objcflags_filter "$@")
1061     check_objcc "$@" <<EOF
1062 int x;
1063 EOF
1064 }
1065
1066 check_objcflags(){
1067     log check_objcflags "$@"
1068     test_objcflags "$@" && add_objcflags "$@"
1069 }
1070
1071 test_ldflags(){
1072     log test_ldflags "$@"
1073     check_ld "cc" "$@" <<EOF
1074 int main(void){ return 0; }
1075 EOF
1076 }
1077
1078 check_ldflags(){
1079     log check_ldflags "$@"
1080     test_ldflags "$@" && add_ldflags "$@"
1081 }
1082
1083 test_stripflags(){
1084     log test_stripflags "$@"
1085     # call check_cc to get a fresh TMPO
1086     check_cc <<EOF
1087 int main(void) { return 0; }
1088 EOF
1089     check_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO
1090 }
1091
1092 check_stripflags(){
1093     log check_stripflags "$@"
1094     test_stripflags "$@" && add_stripflags "$@"
1095 }
1096
1097 check_header(){
1098     log check_header "$@"
1099     header=$1
1100     shift
1101     disable_safe $header
1102     check_cpp "$@" <<EOF && enable_safe $header
1103 #include <$header>
1104 int x;
1105 EOF
1106 }
1107
1108 check_header_objcc(){
1109     log check_header_objcc "$@"
1110     rm -f -- "$TMPO"
1111     header=$1
1112     shift
1113     disable_safe $header
1114     {
1115        echo "#include <$header>"
1116        echo "int main(void) { return 0; }"
1117     } | check_objcc && check_stat "$TMPO" && enable_safe $headers
1118 }
1119
1120 check_func(){
1121     log check_func "$@"
1122     func=$1
1123     shift
1124     disable $func
1125     check_ld "cc" "$@" <<EOF && enable $func
1126 extern int $func();
1127 int main(void){ $func(); }
1128 EOF
1129 }
1130
1131 check_complexfunc(){
1132     log check_complexfunc "$@"
1133     func=$1
1134     narg=$2
1135     shift 2
1136     test $narg = 2 && args="f, g" || args="f * I"
1137     disable $func
1138     check_ld "cc" "$@" <<EOF && enable $func
1139 #include <complex.h>
1140 #include <math.h>
1141 float foo(complex float f, complex float g) { return $func($args); }
1142 int main(void){ return (int) foo; }
1143 EOF
1144 }
1145
1146 check_mathfunc(){
1147     log check_mathfunc "$@"
1148     func=$1
1149     narg=$2
1150     shift 2
1151     test $narg = 2 && args="f, g" || args="f"
1152     disable $func
1153     check_ld "cc" "$@" <<EOF && enable $func
1154 #include <math.h>
1155 float foo(float f, float g) { return $func($args); }
1156 int main(void){ return (int) foo; }
1157 EOF
1158 }
1159
1160 check_func_headers(){
1161     log check_func_headers "$@"
1162     headers=$1
1163     funcs=$2
1164     shift 2
1165     {
1166         for hdr in $headers; do
1167             print_include $hdr
1168         done
1169         echo "#include <stdint.h>"
1170         for func in $funcs; do
1171             echo "long check_$func(void) { return (long) $func; }"
1172         done
1173         echo "int main(void) { int ret = 0;"
1174         # LTO could optimize out the test functions without this
1175         for func in $funcs; do
1176             echo " ret |= ((intptr_t)check_$func) & 0xFFFF;"
1177         done
1178         echo "return ret; }"
1179     } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
1180 }
1181
1182 check_class_headers_cpp(){
1183     log check_class_headers_cpp "$@"
1184     headers=$1
1185     classes=$2
1186     shift 2
1187     {
1188         for hdr in $headers; do
1189             echo "#include <$hdr>"
1190         done
1191         echo "int main(void) { "
1192         i=1
1193         for class in $classes; do
1194             echo "$class obj$i;"
1195             i=$(expr $i + 1)
1196         done
1197         echo "return 0; }"
1198     } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
1199 }
1200
1201 check_cpp_condition(){
1202     log check_cpp_condition "$@"
1203     header=$1
1204     condition=$2
1205     shift 2
1206     check_cpp "$@" <<EOF
1207 #include <$header>
1208 #if !($condition)
1209 #error "unsatisfied condition: $condition"
1210 #endif
1211 EOF
1212 }
1213
1214 test_cflags_cc(){
1215     log test_cflags_cc "$@"
1216     flags=$1
1217     header=$2
1218     condition=$3
1219     shift 3
1220     set -- $($cflags_filter "$flags")
1221     check_cc "$@" <<EOF
1222 #include <$header>
1223 #if !($condition)
1224 #error "unsatisfied condition: $condition"
1225 #endif
1226 EOF
1227 }
1228
1229 check_lib(){
1230     log check_lib "$@"
1231     name="$1"
1232     headers="$2"
1233     funcs="$3"
1234     shift 3
1235     disable $name
1236     check_func_headers "$headers" "$funcs" "$@" &&
1237         enable $name && add_extralibs "$@"
1238 }
1239
1240 check_lib_cpp(){
1241     log check_lib_cpp "$@"
1242     headers="$1"
1243     classes="$2"
1244     shift 2
1245     check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
1246 }
1247
1248 check_pkg_config(){
1249     log check_pkg_config "$@"
1250     pkg_version="$1"
1251     pkg="${1%% *}"
1252     headers="$2"
1253     funcs="$3"
1254     shift 3
1255     check_cmd $pkg_config --exists --print-errors $pkg_version || return
1256     pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1257     pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1258     check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1259         set_safe "${pkg}_cflags"    $pkg_cflags &&
1260         set_safe "${pkg}_extralibs" $pkg_libs
1261 }
1262
1263 check_exec(){
1264     check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1265 }
1266
1267 check_exec_crash(){
1268     log check_exec_crash "$@"
1269     code=$(cat)
1270
1271     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
1272     # are safe but may not be available everywhere.  Thus we use
1273     # raise(SIGTERM) instead.  The check is run in a subshell so we
1274     # can redirect the "Terminated" message from the shell.  SIGBUS
1275     # is not defined by standard C so it is used conditionally.
1276
1277     (check_exec "$@") >> $logfile 2>&1 <<EOF
1278 #include <signal.h>
1279 static void sighandler(int sig){
1280     raise(SIGTERM);
1281 }
1282 int foo(void){
1283     $code
1284 }
1285 int (*func_ptr)(void) = foo;
1286 int main(void){
1287     signal(SIGILL, sighandler);
1288     signal(SIGFPE, sighandler);
1289     signal(SIGSEGV, sighandler);
1290 #ifdef SIGBUS
1291     signal(SIGBUS, sighandler);
1292 #endif
1293     return func_ptr();
1294 }
1295 EOF
1296 }
1297
1298 check_type(){
1299     log check_type "$@"
1300     headers=$1
1301     type=$2
1302     shift 2
1303     disable_safe "$type"
1304     check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1305 }
1306
1307 check_struct(){
1308     log check_struct "$@"
1309     headers=$1
1310     struct=$2
1311     member=$3
1312     shift 3
1313     disable_safe "${struct}_${member}"
1314     check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1315         enable_safe "${struct}_${member}"
1316 }
1317
1318 check_builtin(){
1319     log check_builtin "$@"
1320     name=$1
1321     headers=$2
1322     builtin=$3
1323     shift 3
1324     disable "$name"
1325     check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1326 }
1327
1328 check_compile_assert(){
1329     log check_compile_assert "$@"
1330     name=$1
1331     headers=$2
1332     condition=$3
1333     shift 3
1334     disable "$name"
1335     check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1336 }
1337
1338 require(){
1339     log require "$@"
1340     name_version="$1"
1341     name="${1%% *}"
1342     headers="$2"
1343     func="$3"
1344     shift 3
1345     check_lib $name "$headers" $func "$@" || die "ERROR: $name_version not found"
1346 }
1347
1348 require_cpp(){
1349     name="$1"
1350     headers="$2"
1351     classes="$3"
1352     shift 3
1353     check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1354 }
1355
1356 use_pkg_config(){
1357     log use_pkg_config "$@"
1358     pkg="$1"
1359     check_pkg_config "$@" || return 1
1360     add_cflags    $(get_safe "${pkg}_cflags")
1361     add_extralibs $(get_safe "${pkg}_extralibs")
1362 }
1363
1364 require_pkg_config(){
1365     use_pkg_config "$@" || die "ERROR: $pkg not found using pkg-config$pkg_config_fail_message"
1366 }
1367
1368 hostcc_e(){
1369     eval printf '%s\\n' $HOSTCC_E
1370 }
1371
1372 hostcc_o(){
1373     eval printf '%s\\n' $HOSTCC_O
1374 }
1375
1376 check_host_cc(){
1377     log check_host_cc "$@"
1378     cat > $TMPC
1379     log_file $TMPC
1380     check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1381 }
1382
1383 check_host_cpp(){
1384     log check_host_cpp "$@"
1385     cat > $TMPC
1386     log_file $TMPC
1387     check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1388 }
1389
1390 check_host_cppflags(){
1391     log check_host_cppflags "$@"
1392     check_host_cpp "$@" <<EOF && append host_cppflags "$@"
1393 int x;
1394 EOF
1395 }
1396
1397 check_host_cflags(){
1398     log check_host_cflags "$@"
1399     set -- $($host_cflags_filter "$@")
1400     check_host_cc "$@" <<EOF && append host_cflags "$@"
1401 int x;
1402 EOF
1403 }
1404
1405 check_host_cpp_condition(){
1406     log check_host_cpp_condition "$@"
1407     header=$1
1408     condition=$2
1409     shift 2
1410     check_host_cpp "$@" <<EOF
1411 #include <$header>
1412 #if !($condition)
1413 #error "unsatisfied condition: $condition"
1414 #endif
1415 EOF
1416 }
1417
1418 cp_if_changed(){
1419     cmp -s "$1" "$2" && { test "$quiet" != "yes" && echo "$2 is unchanged"; } && return
1420     mkdir -p "$(dirname $2)"
1421     cp -f "$1" "$2"
1422 }
1423
1424 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1425 # system-dependent things.
1426
1427 AVCODEC_COMPONENTS="
1428     bsfs
1429     decoders
1430     encoders
1431     hwaccels
1432     parsers
1433 "
1434
1435 AVDEVICE_COMPONENTS="
1436     indevs
1437     outdevs
1438 "
1439 AVFILTER_COMPONENTS="
1440     filters
1441 "
1442 AVFORMAT_COMPONENTS="
1443     demuxers
1444     muxers
1445     protocols
1446 "
1447
1448 AVRESAMPLE_COMPONENTS=""
1449 AVUTIL_COMPONENTS=""
1450
1451 COMPONENT_LIST="
1452     $AVCODEC_COMPONENTS
1453     $AVDEVICE_COMPONENTS
1454     $AVFILTER_COMPONENTS
1455     $AVFORMAT_COMPONENTS
1456     $AVRESAMPLE_COMPONENTS
1457     $AVUTIL_COMPONENTS
1458 "
1459
1460 EXAMPLE_LIST="
1461     avio_dir_cmd_example
1462     avio_reading_example
1463     decode_audio_example
1464     decode_video_example
1465     demuxing_decoding_example
1466     encode_audio_example
1467     encode_video_example
1468     extract_mvs_example
1469     filter_audio_example
1470     filtering_audio_example
1471     filtering_video_example
1472     http_multiclient_example
1473     metadata_example
1474     muxing_example
1475     qsvdec_example
1476     remuxing_example
1477     resampling_audio_example
1478     scaling_video_example
1479     transcode_aac_example
1480     transcoding_example
1481 "
1482 EXTERNAL_AUTODETECT_LIBRARY_LIST="
1483     bzlib
1484     iconv
1485     libxcb
1486     libxcb_shm
1487     libxcb_shape
1488     libxcb_xfixes
1489     lzma
1490     schannel
1491     sdl
1492     sdl2
1493     securetransport
1494     xlib
1495     zlib
1496 "
1497
1498 EXTERNAL_LIBRARY_GPL_LIST="
1499     avisynth
1500     frei0r
1501     libcdio
1502     librubberband
1503     libvidstab
1504     libx264
1505     libx265
1506     libxavs
1507     libxvid
1508 "
1509
1510 EXTERNAL_LIBRARY_NONFREE_LIST="
1511     decklink
1512     libfdk_aac
1513     openssl
1514 "
1515
1516 EXTERNAL_LIBRARY_VERSION3_LIST="
1517     gmp
1518     libopencore_amrnb
1519     libopencore_amrwb
1520     libvo_amrwbenc
1521 "
1522
1523 EXTERNAL_LIBRARY_GPLV3_LIST="
1524     libsmbclient
1525 "
1526
1527 EXTERNAL_LIBRARY_LIST="
1528     $EXTERNAL_AUTODETECT_LIBRARY_LIST
1529     $EXTERNAL_LIBRARY_GPL_LIST
1530     $EXTERNAL_LIBRARY_NONFREE_LIST
1531     $EXTERNAL_LIBRARY_VERSION3_LIST
1532     $EXTERNAL_LIBRARY_GPLV3_LIST
1533     chromaprint
1534     crystalhd
1535     gcrypt
1536     gnutls
1537     jni
1538     ladspa
1539     libass
1540     libbluray
1541     libbs2b
1542     libcaca
1543     libcelt
1544     libdc1394
1545     libflite
1546     libfontconfig
1547     libfreetype
1548     libfribidi
1549     libgme
1550     libgsm
1551     libiec61883
1552     libilbc
1553     libkvazaar
1554     libmodplug
1555     libmp3lame
1556     libnut
1557     libopencv
1558     libopenh264
1559     libopenjpeg
1560     libopenmpt
1561     libopus
1562     libpulse
1563     librtmp
1564     libschroedinger
1565     libshine
1566     libsmbclient
1567     libsnappy
1568     libsoxr
1569     libspeex
1570     libssh
1571     libtesseract
1572     libtheora
1573     libtwolame
1574     libv4l2
1575     libvorbis
1576     libvpx
1577     libwavpack
1578     libwebp
1579     libzimg
1580     libzmq
1581     libzvbi
1582     mediacodec
1583     netcdf
1584     openal
1585     opencl
1586     opengl
1587     videotoolbox
1588 "
1589 HWACCEL_AUTODETECT_LIBRARY_LIST="
1590     audiotoolbox
1591     cuda
1592     cuvid
1593     d3d11va
1594     dxva2
1595     nvenc
1596     vaapi
1597     vda
1598     vdpau
1599     videotoolbox_hwaccel
1600     xvmc
1601 "
1602
1603 HWACCEL_LIBRARY_NONFREE_LIST="
1604     cuda_sdk
1605     libnpp
1606 "
1607
1608 HWACCEL_LIBRARY_LIST="
1609     $HWACCEL_AUTODETECT_LIBRARY_LIST
1610     $HWACCEL_LIBRARY_NONFREE_LIST
1611     libmfx
1612     mmal
1613     omx
1614 "
1615
1616 DOCUMENT_LIST="
1617     doc
1618     htmlpages
1619     manpages
1620     podpages
1621     txtpages
1622 "
1623
1624 FEATURE_LIST="
1625     ftrapv
1626     gray
1627     hardcoded_tables
1628     omx_rpi
1629     runtime_cpudetect
1630     safe_bitstream_reader
1631     shared
1632     small
1633     static
1634     swscale_alpha
1635 "
1636
1637 LIBRARY_LIST="
1638     avcodec
1639     avdevice
1640     avfilter
1641     avformat
1642     avresample
1643     avutil
1644     postproc
1645     swresample
1646     swscale
1647 "
1648
1649 LICENSE_LIST="
1650     gpl
1651     nonfree
1652     version3
1653 "
1654
1655 PROGRAM_LIST="
1656     ffplay
1657     ffprobe
1658     ffserver
1659     ffmpeg
1660 "
1661
1662 SUBSYSTEM_LIST="
1663     dct
1664     dwt
1665     error_resilience
1666     faan
1667     fast_unaligned
1668     fft
1669     lsp
1670     lzo
1671     mdct
1672     pixelutils
1673     network
1674     rdft
1675 "
1676
1677 # COMPONENT_LIST needs to come last to ensure correct dependency checking
1678 CONFIG_LIST="
1679     $DOCUMENT_LIST
1680     $EXAMPLE_LIST
1681     $EXTERNAL_LIBRARY_LIST
1682     $HWACCEL_LIBRARY_LIST
1683     $FEATURE_LIST
1684     $LICENSE_LIST
1685     $LIBRARY_LIST
1686     $PROGRAM_LIST
1687     $SUBSYSTEM_LIST
1688     fontconfig
1689     memory_poisoning
1690     neon_clobber_test
1691     ossfuzz
1692     pic
1693     raise_major
1694     thumb
1695     valgrind_backtrace
1696     xmm_clobber_test
1697     $COMPONENT_LIST
1698 "
1699
1700 THREADS_LIST="
1701     pthreads
1702     os2threads
1703     w32threads
1704 "
1705
1706 ATOMICS_LIST="
1707     atomics_gcc
1708     atomics_suncc
1709     atomics_win32
1710 "
1711
1712 AUTODETECT_LIBS="
1713     $EXTERNAL_AUTODETECT_LIBRARY_LIST
1714     $HWACCEL_AUTODETECT_LIBRARY_LIST
1715     $THREADS_LIST
1716 "
1717
1718 ARCH_LIST="
1719     aarch64
1720     alpha
1721     arm
1722     avr32
1723     avr32_ap
1724     avr32_uc
1725     bfin
1726     ia64
1727     m68k
1728     mips
1729     mips64
1730     parisc
1731     ppc
1732     ppc64
1733     s390
1734     sh4
1735     sparc
1736     sparc64
1737     tilegx
1738     tilepro
1739     tomi
1740     x86
1741     x86_32
1742     x86_64
1743 "
1744
1745 ARCH_EXT_LIST_ARM="
1746     armv5te
1747     armv6
1748     armv6t2
1749     armv8
1750     neon
1751     vfp
1752     vfpv3
1753     setend
1754 "
1755
1756 ARCH_EXT_LIST_MIPS="
1757     mipsfpu
1758     mips32r2
1759     mips32r5
1760     mips64r2
1761     mips32r6
1762     mips64r6
1763     mipsdsp
1764     mipsdspr2
1765     msa
1766 "
1767
1768 ARCH_EXT_LIST_LOONGSON="
1769     loongson2
1770     loongson3
1771     mmi
1772 "
1773
1774 ARCH_EXT_LIST_X86_SIMD="
1775     aesni
1776     amd3dnow
1777     amd3dnowext
1778     avx
1779     avx2
1780     fma3
1781     fma4
1782     mmx
1783     mmxext
1784     sse
1785     sse2
1786     sse3
1787     sse4
1788     sse42
1789     ssse3
1790     xop
1791 "
1792
1793 ARCH_EXT_LIST_PPC="
1794     altivec
1795     dcbzl
1796     ldbrx
1797     power8
1798     ppc4xx
1799     vsx
1800 "
1801
1802 ARCH_EXT_LIST_X86="
1803     $ARCH_EXT_LIST_X86_SIMD
1804     cpunop
1805     i686
1806 "
1807
1808 ARCH_EXT_LIST="
1809     $ARCH_EXT_LIST_ARM
1810     $ARCH_EXT_LIST_PPC
1811     $ARCH_EXT_LIST_X86
1812     $ARCH_EXT_LIST_MIPS
1813     $ARCH_EXT_LIST_LOONGSON
1814 "
1815
1816 ARCH_FEATURES="
1817     aligned_stack
1818     fast_64bit
1819     fast_clz
1820     fast_cmov
1821     local_aligned_8
1822     local_aligned_16
1823     local_aligned_32
1824     simd_align_16
1825     simd_align_32
1826 "
1827
1828 BUILTIN_LIST="
1829     atomic_cas_ptr
1830     machine_rw_barrier
1831     MemoryBarrier
1832     mm_empty
1833     rdtsc
1834     sarestart
1835     sem_timedwait
1836     sync_val_compare_and_swap
1837 "
1838 HAVE_LIST_CMDLINE="
1839     inline_asm
1840     symver
1841     yasm
1842 "
1843
1844 HAVE_LIST_PUB="
1845     bigendian
1846     fast_unaligned
1847 "
1848
1849 HEADERS_LIST="
1850     alsa_asoundlib_h
1851     altivec_h
1852     arpa_inet_h
1853     asm_types_h
1854     cdio_paranoia_h
1855     cdio_paranoia_paranoia_h
1856     cuda_h
1857     d3d11_h
1858     dispatch_dispatch_h
1859     dev_bktr_ioctl_bt848_h
1860     dev_bktr_ioctl_meteor_h
1861     dev_ic_bt8xx_h
1862     dev_video_bktr_ioctl_bt848_h
1863     dev_video_meteor_ioctl_meteor_h
1864     direct_h
1865     dirent_h
1866     dlfcn_h
1867     dxva_h
1868     ES2_gl_h
1869     gsm_h
1870     io_h
1871     mach_mach_time_h
1872     machine_ioctl_bt848_h
1873     machine_ioctl_meteor_h
1874     malloc_h
1875     opencv2_core_core_c_h
1876     openjpeg_2_1_openjpeg_h
1877     openjpeg_2_0_openjpeg_h
1878     openjpeg_1_5_openjpeg_h
1879     OpenGL_gl3_h
1880     poll_h
1881     sndio_h
1882     soundcard_h
1883     stdatomic_h
1884     sys_mman_h
1885     sys_param_h
1886     sys_resource_h
1887     sys_select_h
1888     sys_soundcard_h
1889     sys_time_h
1890     sys_un_h
1891     sys_videoio_h
1892     termios_h
1893     udplite_h
1894     unistd_h
1895     valgrind_valgrind_h
1896     windows_h
1897     winsock2_h
1898 "
1899
1900 INTRINSICS_LIST="
1901     intrinsics_neon
1902 "
1903
1904 COMPLEX_FUNCS="
1905     cabs
1906     cexp
1907 "
1908
1909 MATH_FUNCS="
1910     atanf
1911     atan2f
1912     cbrt
1913     cbrtf
1914     copysign
1915     cosf
1916     erf
1917     exp2
1918     exp2f
1919     expf
1920     hypot
1921     isfinite
1922     isinf
1923     isnan
1924     ldexpf
1925     llrint
1926     llrintf
1927     log2
1928     log2f
1929     log10f
1930     lrint
1931     lrintf
1932     powf
1933     rint
1934     round
1935     roundf
1936     sinf
1937     trunc
1938     truncf
1939 "
1940
1941 SYSTEM_FUNCS="
1942     access
1943     aligned_malloc
1944     arc4random
1945     clock_gettime
1946     closesocket
1947     CommandLineToArgvW
1948     CoTaskMemFree
1949     CryptGenRandom
1950     dlopen
1951     fcntl
1952     flt_lim
1953     fork
1954     getaddrinfo
1955     gethrtime
1956     getopt
1957     GetProcessAffinityMask
1958     GetProcessMemoryInfo
1959     GetProcessTimes
1960     getrusage
1961     GetSystemTimeAsFileTime
1962     gettimeofday
1963     glob
1964     glXGetProcAddress
1965     gmtime_r
1966     inet_aton
1967     isatty
1968     jack_port_get_latency_range
1969     kbhit
1970     LoadLibrary
1971     localtime_r
1972     lstat
1973     lzo1x_999_compress
1974     mach_absolute_time
1975     MapViewOfFile
1976     memalign
1977     mkstemp
1978     mmap
1979     mprotect
1980     nanosleep
1981     PeekNamedPipe
1982     posix_memalign
1983     pthread_cancel
1984     sched_getaffinity
1985     SetConsoleTextAttribute
1986     SetConsoleCtrlHandler
1987     setmode
1988     setrlimit
1989     Sleep
1990     strerror_r
1991     sysconf
1992     sysctl
1993     usleep
1994     UTGetOSTypeFromString
1995     VirtualAlloc
1996     wglGetProcAddress
1997 "
1998
1999 TOOLCHAIN_FEATURES="
2000     as_dn_directive
2001     as_fpu_directive
2002     as_func
2003     as_object_arch
2004     asm_mod_q
2005     attribute_may_alias
2006     attribute_packed
2007     ebp_available
2008     ebx_available
2009     gnu_as
2010     gnu_windres
2011     ibm_asm
2012     inline_asm_direct_symbol_refs
2013     inline_asm_labels
2014     inline_asm_nonlocal_labels
2015     pragma_deprecated
2016     rsync_contimeout
2017     symver_asm_label
2018     symver_gnu_asm
2019     vfp_args
2020     xform_asm
2021     xmm_clobbers
2022 "
2023
2024 TYPES_LIST="
2025     CONDITION_VARIABLE_Ptr
2026     socklen_t
2027     struct_addrinfo
2028     struct_group_source_req
2029     struct_ip_mreq_source
2030     struct_ipv6_mreq
2031     struct_msghdr_msg_flags
2032     struct_pollfd
2033     struct_rusage_ru_maxrss
2034     struct_sctp_event_subscribe
2035     struct_sockaddr_in6
2036     struct_sockaddr_sa_len
2037     struct_sockaddr_storage
2038     struct_stat_st_mtim_tv_nsec
2039     struct_v4l2_frmivalenum_discrete
2040 "
2041
2042 HAVE_LIST="
2043     $ARCH_EXT_LIST
2044     $(add_suffix _external $ARCH_EXT_LIST)
2045     $(add_suffix _inline   $ARCH_EXT_LIST)
2046     $ARCH_FEATURES
2047     $ATOMICS_LIST
2048     $BUILTIN_LIST
2049     $COMPLEX_FUNCS
2050     $HAVE_LIST_CMDLINE
2051     $HAVE_LIST_PUB
2052     $HEADERS_LIST
2053     $INTRINSICS_LIST
2054     $MATH_FUNCS
2055     $SYSTEM_FUNCS
2056     $THREADS_LIST
2057     $TOOLCHAIN_FEATURES
2058     $TYPES_LIST
2059     alsa
2060     atomics_native
2061     dos_paths
2062     dxva2_lib
2063     dxva2api_cobj
2064     jack
2065     libc_msvcrt
2066     makeinfo
2067     makeinfo_html
2068     MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS
2069     perl
2070     pod2man
2071     sdl2
2072     section_data_rel_ro
2073     sndio
2074     texi2html
2075     threads
2076     vaapi_drm
2077     vaapi_x11
2078     vdpau_x11
2079     winrt
2080 "
2081
2082 # options emitted with CONFIG_ prefix but not available on the command line
2083 CONFIG_EXTRA="
2084     aandcttables
2085     ac3dsp
2086     audio_frame_queue
2087     audiodsp
2088     blockdsp
2089     bswapdsp
2090     cabac
2091     dirac_parse
2092     dvprofile
2093     exif
2094     faandct
2095     faanidct
2096     fdctdsp
2097     flacdsp
2098     fmtconvert
2099     frame_thread_encoder
2100     g722dsp
2101     golomb
2102     gplv3
2103     h263dsp
2104     h264chroma
2105     h264dsp
2106     h264parse
2107     h264pred
2108     h264qpel
2109     hevcparse
2110     hpeldsp
2111     huffman
2112     huffyuvdsp
2113     huffyuvencdsp
2114     idctdsp
2115     iirfilter
2116     mdct15
2117     intrax8
2118     iso_media
2119     ividsp
2120     jpegtables
2121     lgplv3
2122     libx262
2123     llauddsp
2124     llviddsp
2125     llvidencdsp
2126     lpc
2127     lzf
2128     me_cmp
2129     mpeg_er
2130     mpegaudio
2131     mpegaudiodsp
2132     mpegaudioheader
2133     mpegvideo
2134     mpegvideoenc
2135     mss34dsp
2136     pixblockdsp
2137     qpeldsp
2138     qsv
2139     qsvdec
2140     qsvenc
2141     rangecoder
2142     riffdec
2143     riffenc
2144     rtpdec
2145     rtpenc_chain
2146     rv34dsp
2147     sinewin
2148     snappy
2149     srtp
2150     startcode
2151     texturedsp
2152     texturedspenc
2153     tpeldsp
2154     vaapi_encode
2155     vc1dsp
2156     videodsp
2157     vp3dsp
2158     vp56dsp
2159     vp8dsp
2160     vt_bt2020
2161     wma_freqs
2162     wmv2dsp
2163 "
2164
2165 CMDLINE_SELECT="
2166     $ARCH_EXT_LIST
2167     $CONFIG_LIST
2168     $HAVE_LIST_CMDLINE
2169     $THREADS_LIST
2170     asm
2171     cross_compile
2172     debug
2173     extra_warnings
2174     logging
2175     lto
2176     optimizations
2177     rpath
2178     stripping
2179 "
2180
2181 PATHS_LIST="
2182     bindir
2183     datadir
2184     docdir
2185     incdir
2186     libdir
2187     mandir
2188     pkgconfigdir
2189     prefix
2190     shlibdir
2191     install_name_dir
2192 "
2193
2194 CMDLINE_SET="
2195     $PATHS_LIST
2196     ar
2197     arch
2198     as
2199     assert_level
2200     build_suffix
2201     cc
2202     objcc
2203     cpu
2204     cross_prefix
2205     custom_allocator
2206     cxx
2207     dep_cc
2208     doxygen
2209     env
2210     extra_version
2211     gas
2212     host_cc
2213     host_cflags
2214     host_extralibs
2215     host_ld
2216     host_ldflags
2217     host_os
2218     ignore_tests
2219     install
2220     ld
2221     ln_s
2222     logfile
2223     malloc_prefix
2224     nm
2225     optflags
2226     nvccflags
2227     pkg_config
2228     pkg_config_flags
2229     progs_suffix
2230     random_seed
2231     ranlib
2232     samples
2233     strip
2234     sws_max_filter_size
2235     sysinclude
2236     sysroot
2237     target_exec
2238     target_os
2239     target_path
2240     target_samples
2241     tempprefix
2242     toolchain
2243     valgrind
2244     yasmexe
2245 "
2246
2247 CMDLINE_APPEND="
2248     extra_cflags
2249     extra_cxxflags
2250     extra_objcflags
2251     host_cppflags
2252 "
2253
2254 # code dependency declarations
2255
2256 # architecture extensions
2257
2258 armv5te_deps="arm"
2259 armv6_deps="arm"
2260 armv6t2_deps="arm"
2261 armv8_deps="aarch64"
2262 neon_deps_any="aarch64 arm"
2263 intrinsics_neon_deps="neon"
2264 vfp_deps_any="aarch64 arm"
2265 vfpv3_deps="vfp"
2266 setend_deps="arm"
2267
2268 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
2269
2270 loongson2_deps="mips"
2271 loongson3_deps="mips"
2272 mipsfpu_deps="mips"
2273 mipsdsp_deps="mips"
2274 mipsdspr2_deps="mips"
2275 mips32r2_deps="mips"
2276 mips32r5_deps="mips"
2277 mips32r6_deps="mips"
2278 mips64r2_deps="mips"
2279 mips64r6_deps="mips"
2280 msa_deps="mipsfpu"
2281 mmi_deps="mips"
2282
2283 altivec_deps="ppc"
2284 dcbzl_deps="ppc"
2285 ldbrx_deps="ppc"
2286 ppc4xx_deps="ppc"
2287 vsx_deps="altivec"
2288 power8_deps="vsx"
2289
2290 cpunop_deps="i686"
2291 x86_64_select="i686"
2292 x86_64_suggest="fast_cmov"
2293
2294 amd3dnow_deps="mmx"
2295 amd3dnowext_deps="amd3dnow"
2296 i686_deps="x86"
2297 mmx_deps="x86"
2298 mmxext_deps="mmx"
2299 sse_deps="mmxext"
2300 sse2_deps="sse"
2301 sse3_deps="sse2"
2302 ssse3_deps="sse3"
2303 sse4_deps="ssse3"
2304 sse42_deps="sse4"
2305 aesni_deps="sse42"
2306 avx_deps="sse42"
2307 xop_deps="avx"
2308 fma3_deps="avx"
2309 fma4_deps="avx"
2310 avx2_deps="avx"
2311
2312 mmx_external_deps="yasm"
2313 mmx_inline_deps="inline_asm"
2314 mmx_suggest="mmx_external mmx_inline"
2315
2316 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
2317     eval dep=\$${ext}_deps
2318     eval ${ext}_external_deps='"${dep}_external"'
2319     eval ${ext}_inline_deps='"${dep}_inline"'
2320     eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
2321 done
2322
2323 aligned_stack_if_any="aarch64 ppc x86"
2324 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
2325 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
2326 fast_unaligned_if_any="aarch64 ppc x86"
2327 simd_align_16_if_any="altivec neon sse"
2328 simd_align_32_if_any="avx"
2329
2330 # system capabilities
2331 symver_if_any="symver_asm_label symver_gnu_asm"
2332 valgrind_backtrace_deps="!optimizations valgrind_valgrind_h"
2333
2334 # threading support
2335 atomics_gcc_if="sync_val_compare_and_swap"
2336 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
2337 atomics_win32_if="MemoryBarrier"
2338 atomics_native_if_any="$ATOMICS_LIST"
2339 w32threads_deps="atomics_native"
2340 threads_if_any="$THREADS_LIST"
2341
2342 # subsystems
2343 dct_select="rdft"
2344 dirac_parse_select="golomb"
2345 error_resilience_select="me_cmp"
2346 faandct_deps="faan fdctdsp"
2347 faanidct_deps="faan idctdsp"
2348 h264dsp_select="startcode"
2349 hevcparse_select="golomb"
2350 frame_thread_encoder_deps="encoders threads"
2351 intrax8_select="blockdsp idctdsp"
2352 mdct_select="fft"
2353 mdct15_select="fft"
2354 me_cmp_select="fdctdsp idctdsp pixblockdsp"
2355 mpeg_er_select="error_resilience"
2356 mpegaudio_select="mpegaudiodsp mpegaudioheader"
2357 mpegaudiodsp_select="dct"
2358 mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp mpeg_er videodsp"
2359 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
2360 vc1dsp_select="h264chroma qpeldsp startcode"
2361 rdft_select="fft"
2362
2363 # decoders / encoders
2364 aac_decoder_select="mdct15 mdct sinewin"
2365 aac_fixed_decoder_select="mdct sinewin"
2366 aac_encoder_select="audio_frame_queue iirfilter lpc mdct sinewin"
2367 aac_latm_decoder_select="aac_decoder aac_latm_parser"
2368 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
2369 ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"
2370 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
2371 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
2372 adpcm_g722_decoder_select="g722dsp"
2373 adpcm_g722_encoder_select="g722dsp"
2374 aic_decoder_select="golomb idctdsp"
2375 alac_encoder_select="lpc"
2376 als_decoder_select="bswapdsp"
2377 amrnb_decoder_select="lsp"
2378 amrwb_decoder_select="lsp"
2379 amv_decoder_select="sp5x_decoder exif"
2380 amv_encoder_select="aandcttables jpegtables mpegvideoenc"
2381 ape_decoder_select="bswapdsp llauddsp"
2382 apng_decoder_select="zlib"
2383 apng_encoder_select="llvidencdsp zlib"
2384 asv1_decoder_select="blockdsp bswapdsp idctdsp"
2385 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
2386 asv2_decoder_select="blockdsp bswapdsp idctdsp"
2387 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
2388 atrac1_decoder_select="mdct sinewin"
2389 atrac3_decoder_select="mdct"
2390 atrac3p_decoder_select="mdct sinewin"
2391 avrn_decoder_select="exif jpegtables"
2392 bink_decoder_select="blockdsp hpeldsp"
2393 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
2394 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
2395 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
2396 cllc_decoder_select="bswapdsp"
2397 comfortnoise_encoder_select="lpc"
2398 cook_decoder_select="audiodsp mdct sinewin"
2399 cscd_decoder_select="lzo"
2400 cscd_decoder_suggest="zlib"
2401 dca_decoder_select="mdct"
2402 dds_decoder_select="texturedsp"
2403 dirac_decoder_select="dirac_parse dwt golomb videodsp mpegvideoenc"
2404 dnxhd_decoder_select="blockdsp idctdsp"
2405 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
2406 dvvideo_decoder_select="dvprofile idctdsp"
2407 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
2408 dxa_decoder_select="zlib"
2409 dxv_decoder_select="lzf texturedsp"
2410 eac3_decoder_select="ac3_decoder"
2411 eac3_encoder_select="ac3_encoder"
2412 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
2413 eatgq_decoder_select="aandcttables"
2414 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp"
2415 exr_decoder_select="zlib"
2416 ffv1_decoder_select="rangecoder"
2417 ffv1_encoder_select="rangecoder"
2418 ffvhuff_decoder_select="huffyuv_decoder"
2419 ffvhuff_encoder_select="huffyuv_encoder"
2420 fic_decoder_select="golomb"
2421 flac_decoder_select="flacdsp"
2422 flac_encoder_select="bswapdsp flacdsp lpc"
2423 flashsv2_decoder_select="zlib"
2424 flashsv2_encoder_select="zlib"
2425 flashsv_decoder_select="zlib"
2426 flashsv_encoder_select="zlib"
2427 flv_decoder_select="h263_decoder"
2428 flv_encoder_select="h263_encoder"
2429 fourxm_decoder_select="blockdsp bswapdsp"
2430 fraps_decoder_select="bswapdsp huffman"
2431 g2m_decoder_select="blockdsp idctdsp jpegtables zlib"
2432 g729_decoder_select="audiodsp"
2433 h261_decoder_select="mpegvideo"
2434 h261_encoder_select="aandcttables mpegvideoenc"
2435 h263_decoder_select="h263_parser h263dsp mpegvideo qpeldsp"
2436 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
2437 h263i_decoder_select="h263_decoder"
2438 h263p_decoder_select="h263_decoder"
2439 h263p_encoder_select="h263_encoder"
2440 h264_decoder_select="cabac golomb h264chroma h264dsp h264parse h264pred h264qpel videodsp"
2441 h264_decoder_suggest="error_resilience"
2442 hap_decoder_select="snappy texturedsp"
2443 hap_encoder_deps="libsnappy"
2444 hap_encoder_select="texturedspenc"
2445 hevc_decoder_select="bswapdsp cabac golomb hevcparse videodsp"
2446 huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"
2447 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llvidencdsp"
2448 iac_decoder_select="imc_decoder"
2449 imc_decoder_select="bswapdsp fft mdct sinewin"
2450 indeo3_decoder_select="hpeldsp"
2451 indeo4_decoder_select="ividsp"
2452 indeo5_decoder_select="ividsp"
2453 interplay_video_decoder_select="hpeldsp"
2454 jpegls_decoder_select="mjpeg_decoder"
2455 jv_decoder_select="blockdsp"
2456 lagarith_decoder_select="llviddsp"
2457 ljpeg_encoder_select="aandcttables idctdsp jpegtables mpegvideoenc"
2458 magicyuv_decoder_select="llviddsp"
2459 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2460 metasound_decoder_select="lsp mdct sinewin"
2461 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2462 mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"
2463 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
2464 mjpegb_decoder_select="mjpeg_decoder"
2465 mlp_decoder_select="mlp_parser"
2466 mlp_encoder_select="lpc"
2467 motionpixels_decoder_select="bswapdsp"
2468 mp1_decoder_select="mpegaudio"
2469 mp1float_decoder_select="mpegaudio"
2470 mp2_decoder_select="mpegaudio"
2471 mp2float_decoder_select="mpegaudio"
2472 mp3_decoder_select="mpegaudio"
2473 mp3adu_decoder_select="mpegaudio"
2474 mp3adufloat_decoder_select="mpegaudio"
2475 mp3float_decoder_select="mpegaudio"
2476 mp3on4_decoder_select="mpegaudio"
2477 mp3on4float_decoder_select="mpegaudio"
2478 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2479 mpc8_decoder_select="mpegaudiodsp"
2480 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
2481 mpeg_xvmc_decoder_select="mpeg2video_decoder"
2482 mpegvideo_decoder_select="mpegvideo"
2483 mpeg1video_decoder_select="mpegvideo"
2484 mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"
2485 mpeg2video_decoder_select="mpegvideo"
2486 mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"
2487 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2488 mpeg4_encoder_select="h263_encoder"
2489 msa1_decoder_select="mss34dsp"
2490 mscc_decoder_select="zlib"
2491 msmpeg4v1_decoder_select="h263_decoder"
2492 msmpeg4v2_decoder_select="h263_decoder"
2493 msmpeg4v2_encoder_select="h263_encoder"
2494 msmpeg4v3_decoder_select="h263_decoder"
2495 msmpeg4v3_encoder_select="h263_encoder"
2496 mss2_decoder_select="mpegvideo qpeldsp vc1_decoder"
2497 mts2_decoder_select="mss34dsp"
2498 mxpeg_decoder_select="mjpeg_decoder"
2499 nellymoser_decoder_select="mdct sinewin"
2500 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2501 nuv_decoder_select="idctdsp lzo"
2502 on2avc_decoder_select="mdct"
2503 opus_decoder_deps="swresample"
2504 opus_decoder_select="mdct15"
2505 opus_encoder_select="audio_frame_queue mdct15"
2506 png_decoder_select="zlib"
2507 png_encoder_select="llvidencdsp zlib"
2508 prores_decoder_select="blockdsp idctdsp"
2509 prores_encoder_select="fdctdsp"
2510 qcelp_decoder_select="lsp"
2511 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2512 ra_144_decoder_select="audiodsp"
2513 ra_144_encoder_select="audio_frame_queue lpc audiodsp"
2514 ralf_decoder_select="golomb"
2515 rawvideo_decoder_select="bswapdsp"
2516 rscc_decoder_select="zlib"
2517 rtjpeg_decoder_select="me_cmp"
2518 rv10_decoder_select="h263_decoder"
2519 rv10_encoder_select="h263_encoder"
2520 rv20_decoder_select="h263_decoder"
2521 rv20_encoder_select="h263_encoder"
2522 rv30_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2523 rv40_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2524 screenpresso_decoder_select="zlib"
2525 shorten_decoder_select="bswapdsp"
2526 sipr_decoder_select="lsp"
2527 snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"
2528 snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"
2529 sonic_decoder_select="golomb rangecoder"
2530 sonic_encoder_select="golomb rangecoder"
2531 sonic_ls_encoder_select="golomb rangecoder"
2532 sp5x_decoder_select="mjpeg_decoder"
2533 srgc_decoder_select="zlib"
2534 svq1_decoder_select="hpeldsp"
2535 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2536 svq3_decoder_select="golomb h264dsp h264parse h264pred hpeldsp tpeldsp videodsp"
2537 svq3_decoder_suggest="zlib"
2538 tak_decoder_select="audiodsp"
2539 tdsc_decoder_select="zlib mjpeg_decoder"
2540 theora_decoder_select="vp3_decoder"
2541 thp_decoder_select="mjpeg_decoder"
2542 tiff_decoder_suggest="zlib lzma"
2543 tiff_encoder_suggest="zlib"
2544 truehd_decoder_select="mlp_parser"
2545 truehd_encoder_select="lpc"
2546 truemotion2_decoder_select="bswapdsp"
2547 truespeech_decoder_select="bswapdsp"
2548 tscc_decoder_select="zlib"
2549 twinvq_decoder_select="mdct lsp sinewin"
2550 txd_decoder_select="texturedsp"
2551 utvideo_decoder_select="bswapdsp llviddsp"
2552 utvideo_encoder_select="bswapdsp huffman llvidencdsp"
2553 vble_decoder_select="llviddsp"
2554 vc1_decoder_select="blockdsp h263_decoder h264qpel intrax8 mpegvideo vc1dsp"
2555 vc1_qsv_decoder_deps="libmfx"
2556 vc1_qsv_decoder_select="qsvdec vc1_qsv_hwaccel vc1_parser"
2557 vc1image_decoder_select="vc1_decoder"
2558 vorbis_decoder_select="mdct"
2559 vorbis_encoder_select="mdct"
2560 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2561 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"
2562 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"
2563 vp6a_decoder_select="vp6_decoder"
2564 vp6f_decoder_select="vp6_decoder"
2565 vp7_decoder_select="h264pred videodsp vp8dsp"
2566 vp8_decoder_select="h264pred videodsp vp8dsp"
2567 vp9_decoder_select="videodsp vp9_parser"
2568 webp_decoder_select="vp8_decoder exif"
2569 wmalossless_decoder_select="llauddsp"
2570 wmapro_decoder_select="mdct sinewin wma_freqs"
2571 wmav1_decoder_select="mdct sinewin wma_freqs"
2572 wmav1_encoder_select="mdct sinewin wma_freqs"
2573 wmav2_decoder_select="mdct sinewin wma_freqs"
2574 wmav2_encoder_select="mdct sinewin wma_freqs"
2575 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2576 wmv1_decoder_select="h263_decoder"
2577 wmv1_encoder_select="h263_encoder"
2578 wmv2_decoder_select="blockdsp error_resilience h263_decoder idctdsp intrax8 videodsp wmv2dsp"
2579 wmv2_encoder_select="h263_encoder wmv2dsp"
2580 wmv3_decoder_select="vc1_decoder"
2581 wmv3image_decoder_select="wmv3_decoder"
2582 xma1_decoder_select="wmapro_decoder"
2583 xma2_decoder_select="wmapro_decoder"
2584 zerocodec_decoder_select="zlib"
2585 zlib_decoder_select="zlib"
2586 zlib_encoder_select="zlib"
2587 zmbv_decoder_select="zlib"
2588 zmbv_encoder_select="zlib"
2589
2590 # platform codecs
2591 audiotoolbox_deps="AudioToolbox_AudioToolbox_h"
2592 audiotoolbox_extralibs="-framework CoreFoundation -framework AudioToolbox -framework CoreMedia"
2593
2594 # hardware accelerators
2595 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
2596 cuda_deps_any="dlopen LoadLibrary"
2597 cuvid_deps="cuda"
2598 d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder ID3D11VideoContext"
2599 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode"
2600 dxva2_extralibs="-luser32"
2601 dxva2_lib_deps="dxva2"
2602 vda_framework_deps="VideoDecodeAcceleration_VDADecoder_h"
2603 vda_framework_extralibs="-framework VideoDecodeAcceleration"
2604 vda_deps="vda_framework pthreads"
2605 vda_extralibs="-framework CoreFoundation -framework QuartzCore"
2606 videotoolbox_hwaccel_deps="videotoolbox pthreads"
2607 videotoolbox_hwaccel_extralibs="-framework QuartzCore"
2608 xvmc_deps="X11_extensions_XvMClib_h"
2609
2610 h263_vaapi_hwaccel_deps="vaapi"
2611 h263_vaapi_hwaccel_select="h263_decoder"
2612 h263_videotoolbox_hwaccel_deps="videotoolbox"
2613 h263_videotoolbox_hwaccel_select="h263_decoder"
2614 h264_cuvid_hwaccel_deps="cuda cuvid"
2615 h264_cuvid_hwaccel_select="h264_cuvid_decoder"
2616 h264_d3d11va_hwaccel_deps="d3d11va"
2617 h264_d3d11va_hwaccel_select="h264_decoder"
2618 h264_dxva2_hwaccel_deps="dxva2"
2619 h264_dxva2_hwaccel_select="h264_decoder"
2620 h264_mediacodec_hwaccel_deps="mediacodec"
2621 h264_mmal_hwaccel_deps="mmal"
2622 h264_qsv_hwaccel_deps="libmfx"
2623 h264_vaapi_hwaccel_deps="vaapi"
2624 h264_vaapi_hwaccel_select="h264_decoder"
2625 h264_vda_hwaccel_deps="vda"
2626 h264_vda_hwaccel_select="h264_decoder"
2627 h264_vda_old_hwaccel_deps="vda"
2628 h264_vda_old_hwaccel_select="h264_decoder"
2629 h264_vdpau_hwaccel_deps="vdpau"
2630 h264_vdpau_hwaccel_select="h264_decoder"
2631 h264_videotoolbox_hwaccel_deps="videotoolbox"
2632 h264_videotoolbox_hwaccel_select="h264_decoder"
2633 hevc_cuvid_hwaccel_deps="cuda cuvid"
2634 hevc_cuvid_hwaccel_select="hevc_cuvid_decoder"
2635 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2636 hevc_d3d11va_hwaccel_select="hevc_decoder"
2637 hevc_mediacodec_hwaccel_deps="mediacodec"
2638 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2639 hevc_dxva2_hwaccel_select="hevc_decoder"
2640 hevc_qsv_hwaccel_deps="libmfx"
2641 hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC"
2642 hevc_vaapi_hwaccel_select="hevc_decoder"
2643 hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"
2644 hevc_vdpau_hwaccel_select="hevc_decoder"
2645 mjpeg_cuvid_hwaccel_deps="cuda cuvid"
2646 mjpeg_cuvid_hwaccel_select="mjpeg_cuvid_decoder"
2647 mpeg_xvmc_hwaccel_deps="xvmc"
2648 mpeg_xvmc_hwaccel_select="mpeg2video_decoder"
2649 mpeg1_cuvid_hwaccel_deps="cuda cuvid"
2650 mpeg1_cuvid_hwaccel_select="mpeg1_cuvid_decoder"
2651 mpeg1_vdpau_hwaccel_deps="vdpau"
2652 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2653 mpeg1_videotoolbox_hwaccel_deps="videotoolbox"
2654 mpeg1_videotoolbox_hwaccel_select="mpeg1video_decoder"
2655 mpeg1_xvmc_hwaccel_deps="xvmc"
2656 mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"
2657 mpeg2_cuvid_hwaccel_deps="cuda cuvid"
2658 mpeg2_cuvid_hwaccel_select="mpeg2_cuvid_decoder"
2659 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2660 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2661 mpeg2_dxva2_hwaccel_deps="dxva2"
2662 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2663 mpeg2_mmal_hwaccel_deps="mmal"
2664 mpeg2_qsv_hwaccel_deps="libmfx"
2665 mpeg2_qsv_hwaccel_select="qsvdec_mpeg2"
2666 mpeg2_vaapi_hwaccel_deps="vaapi"
2667 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2668 mpeg2_vdpau_hwaccel_deps="vdpau"
2669 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2670 mpeg2_videotoolbox_hwaccel_deps="videotoolbox"
2671 mpeg2_videotoolbox_hwaccel_select="mpeg2video_decoder"
2672 mpeg2_xvmc_hwaccel_deps="xvmc"
2673 mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"
2674 mpeg4_cuvid_hwaccel_deps="cuda cuvid"
2675 mpeg4_cuvid_hwaccel_select="mpeg4_cuvid_decoder"
2676 mpeg4_mediacodec_hwaccel_deps="mediacodec"
2677 mpeg4_mmal_hwaccel_deps="mmal"
2678 mpeg4_vaapi_hwaccel_deps="vaapi"
2679 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2680 mpeg4_vdpau_hwaccel_deps="vdpau"
2681 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2682 mpeg4_videotoolbox_hwaccel_deps="videotoolbox"
2683 mpeg4_videotoolbox_hwaccel_select="mpeg4_decoder"
2684 vc1_cuvid_hwaccel_deps="cuda cuvid"
2685 vc1_cuvid_hwaccel_select="vc1_cuvid_decoder"
2686 vc1_d3d11va_hwaccel_deps="d3d11va"
2687 vc1_d3d11va_hwaccel_select="vc1_decoder"
2688 vc1_dxva2_hwaccel_deps="dxva2"
2689 vc1_dxva2_hwaccel_select="vc1_decoder"
2690 vc1_mmal_hwaccel_deps="mmal"
2691 vc1_qsv_hwaccel_deps="libmfx"
2692 vc1_qsv_hwaccel_select="qsvdec_vc1"
2693 vc1_vaapi_hwaccel_deps="vaapi"
2694 vc1_vaapi_hwaccel_select="vc1_decoder"
2695 vc1_vdpau_hwaccel_deps="vdpau"
2696 vc1_vdpau_hwaccel_select="vc1_decoder"
2697 vp8_cuvid_hwaccel_deps="cuda cuvid"
2698 vp8_cuvid_hwaccel_select="vp8_cuvid_decoder"
2699 vp9_cuvid_hwaccel_deps="cuda cuvid"
2700 vp9_cuvid_hwaccel_select="vp9_cuvid_decoder"
2701 vp8_mediacodec_hwaccel_deps="mediacodec"
2702 vp8_qsv_hwaccel_deps="libmfx"
2703 vp9_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_VP9"
2704 vp9_d3d11va_hwaccel_select="vp9_decoder"
2705 vp9_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_VP9"
2706 vp9_dxva2_hwaccel_select="vp9_decoder"
2707 vp9_mediacodec_hwaccel_deps="mediacodec"
2708 vp9_vaapi_hwaccel_deps="vaapi VADecPictureParameterBufferVP9_bit_depth"
2709 vp9_vaapi_hwaccel_select="vp9_decoder"
2710 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2711 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2712 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2713 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2714
2715 # hardware-accelerated codecs
2716 omx_deps="dlopen pthreads"
2717 omx_extralibs='$ldl'
2718 omx_rpi_select="omx"
2719 qsvdec_select="qsv"
2720 qsvenc_select="qsv"
2721 vaapi_encode_deps="vaapi"
2722
2723 hwupload_cuda_filter_deps="cuda"
2724 scale_npp_filter_deps="cuda_sdk libnpp"
2725 scale_cuda_filter_deps="cuda_sdk"
2726
2727 nvenc_deps="cuda"
2728 nvenc_deps_any="dlopen LoadLibrary"
2729 nvenc_encoder_deps="nvenc"
2730
2731 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
2732 h264_cuvid_decoder_deps="cuda cuvid"
2733 h264_cuvid_decoder_select="h264_mp4toannexb_bsf"
2734 h264_mediacodec_decoder_deps="mediacodec"
2735 h264_mediacodec_decoder_select="h264_mp4toannexb_bsf h264_parser"
2736 h264_mmal_decoder_deps="mmal"
2737 h264_nvenc_encoder_deps="nvenc"
2738 h264_omx_encoder_deps="omx"
2739 h264_qsv_decoder_deps="libmfx"
2740 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
2741 h264_qsv_encoder_deps="libmfx"
2742 h264_qsv_encoder_select="qsvenc"
2743 h264_vaapi_encoder_deps="VAEncPictureParameterBufferH264"
2744 h264_vaapi_encoder_select="vaapi_encode golomb"
2745 h264_vda_decoder_deps="vda"
2746 h264_vda_decoder_select="h264_decoder"
2747 h264_vdpau_decoder_deps="vdpau"
2748 h264_vdpau_decoder_select="h264_decoder"
2749 hevc_cuvid_decoder_deps="cuda cuvid"
2750 hevc_cuvid_decoder_select="hevc_mp4toannexb_bsf"
2751 hevc_mediacodec_decoder_deps="mediacodec"
2752 hevc_mediacodec_decoder_select="hevc_mp4toannexb_bsf hevc_parser"
2753 hevc_nvenc_encoder_deps="nvenc"
2754 hevc_qsv_decoder_deps="libmfx"
2755 hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec hevc_qsv_hwaccel"
2756 hevc_qsv_encoder_deps="libmfx"
2757 hevc_qsv_encoder_select="hevcparse qsvenc"
2758 hevc_vaapi_encoder_deps="VAEncPictureParameterBufferHEVC"
2759 hevc_vaapi_encoder_select="vaapi_encode golomb"
2760 mjpeg_cuvid_decoder_deps="cuda cuvid"
2761 mjpeg_vaapi_encoder_deps="VAEncPictureParameterBufferJPEG"
2762 mjpeg_vaapi_encoder_select="vaapi_encode jpegtables"
2763 mpeg1_cuvid_decoder_deps="cuda cuvid"
2764 mpeg1_vdpau_decoder_deps="vdpau"
2765 mpeg1_vdpau_decoder_select="mpeg1video_decoder"
2766 mpeg2_crystalhd_decoder_select="crystalhd"
2767 mpeg2_cuvid_decoder_deps="cuda cuvid"
2768 mpeg2_mmal_decoder_deps="mmal"
2769 mpeg2_qsv_decoder_deps="libmfx"
2770 mpeg2_qsv_decoder_select="qsvdec mpeg2_qsv_hwaccel"
2771 mpeg2_qsv_encoder_deps="libmfx"
2772 mpeg2_qsv_encoder_select="qsvenc"
2773 mpeg2_vaapi_encoder_deps="VAEncPictureParameterBufferMPEG2"
2774 mpeg2_vaapi_encoder_select="vaapi_encode"
2775 mpeg4_crystalhd_decoder_select="crystalhd"
2776 mpeg4_cuvid_decoder_deps="cuda cuvid"
2777 mpeg4_mediacodec_decoder_deps="mediacodec"
2778 mpeg4_mmal_decoder_deps="mmal"
2779 mpeg4_omx_encoder_deps="omx"
2780 mpeg4_vdpau_decoder_deps="vdpau"
2781 mpeg4_vdpau_decoder_select="mpeg4_decoder"
2782 mpeg_vdpau_decoder_deps="vdpau"
2783 mpeg_vdpau_decoder_select="mpeg2video_decoder"
2784 msmpeg4_crystalhd_decoder_select="crystalhd"
2785 nvenc_h264_encoder_select="h264_nvenc_encoder"
2786 nvenc_hevc_encoder_select="hevc_nvenc_encoder"
2787 vc1_crystalhd_decoder_select="crystalhd"
2788 vc1_cuvid_decoder_deps="cuda cuvid"
2789 vc1_mmal_decoder_deps="mmal"
2790 vc1_vdpau_decoder_deps="vdpau"
2791 vc1_vdpau_decoder_select="vc1_decoder"
2792 vp8_cuvid_decoder_deps="cuda cuvid"
2793 vp8_mediacodec_decoder_deps="mediacodec"
2794 vp8_qsv_decoder_deps="libmfx"
2795 vp8_qsv_decoder_select="qsvdec vp8_qsv_hwaccel vp8_parser"
2796 vp8_vaapi_encoder_deps="VAEncPictureParameterBufferVP8"
2797 vp8_vaapi_encoder_select="vaapi_encode"
2798 vp9_cuvid_decoder_deps="cuda cuvid"
2799 vp9_mediacodec_decoder_deps="mediacodec"
2800 wmv3_crystalhd_decoder_select="crystalhd"
2801 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2802
2803 # parsers
2804 h264_parser_select="golomb h264dsp h264parse"
2805 hevc_parser_select="hevcparse"
2806 mpegaudio_parser_select="mpegaudioheader"
2807 mpegvideo_parser_select="mpegvideo"
2808 mpeg4video_parser_select="h263dsp mpegvideo qpeldsp"
2809 vc1_parser_select="vc1dsp"
2810
2811 # bitstream_filters
2812 mjpeg2jpeg_bsf_select="jpegtables"
2813
2814 # external libraries
2815 aac_at_decoder_deps="audiotoolbox"
2816 ac3_at_decoder_deps="audiotoolbox"
2817 ac3_at_decoder_select="ac3_parser"
2818 adpcm_ima_qt_at_decoder_deps="audiotoolbox"
2819 alac_at_decoder_deps="audiotoolbox"
2820 amr_nb_at_decoder_deps="audiotoolbox"
2821 avisynth_deps_any="dlopen LoadLibrary"
2822 avisynth_demuxer_deps="avisynth"
2823 avisynth_demuxer_select="riffdec"
2824 eac3_at_decoder_deps="audiotoolbox"
2825 eac3_at_decoder_select="ac3_parser"
2826 gsm_ms_at_decoder_deps="audiotoolbox"
2827 ilbc_at_decoder_deps="audiotoolbox"
2828 mp1_at_decoder_deps="audiotoolbox"
2829 mp2_at_decoder_deps="audiotoolbox"
2830 mp3_at_decoder_deps="audiotoolbox"
2831 mp1_at_decoder_select="mpegaudioheader"
2832 mp2_at_decoder_select="mpegaudioheader"
2833 mp3_at_decoder_select="mpegaudioheader"
2834 pcm_alaw_at_decoder_deps="audiotoolbox"
2835 pcm_mulaw_at_decoder_deps="audiotoolbox"
2836 qdmc_at_decoder_deps="audiotoolbox"
2837 qdm2_at_decoder_deps="audiotoolbox"
2838 aac_at_encoder_deps="audiotoolbox"
2839 aac_at_encoder_select="audio_frame_queue"
2840 alac_at_encoder_deps="audiotoolbox"
2841 alac_at_encoder_select="audio_frame_queue"
2842 ilbc_at_encoder_deps="audiotoolbox"
2843 ilbc_at_encoder_select="audio_frame_queue"
2844 pcm_alaw_at_encoder_deps="audiotoolbox"
2845 pcm_alaw_at_encoder_select="audio_frame_queue"
2846 pcm_mulaw_at_encoder_deps="audiotoolbox"
2847 pcm_mulaw_at_encoder_select="audio_frame_queue"
2848 chromaprint_muxer_deps="chromaprint"
2849 h264_videotoolbox_encoder_deps="videotoolbox_encoder pthreads"
2850 libcelt_decoder_deps="libcelt"
2851 libfdk_aac_decoder_deps="libfdk_aac"
2852 libfdk_aac_encoder_deps="libfdk_aac"
2853 libfdk_aac_encoder_select="audio_frame_queue"
2854 libgme_demuxer_deps="libgme"
2855 libgsm_decoder_deps="libgsm"
2856 libgsm_encoder_deps="libgsm"
2857 libgsm_ms_decoder_deps="libgsm"
2858 libgsm_ms_encoder_deps="libgsm"
2859 libilbc_decoder_deps="libilbc"
2860 libilbc_encoder_deps="libilbc"
2861 libkvazaar_encoder_deps="libkvazaar"
2862 libmodplug_demuxer_deps="libmodplug"
2863 libmp3lame_encoder_deps="libmp3lame"
2864 libmp3lame_encoder_select="audio_frame_queue mpegaudioheader"
2865 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2866 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2867 libopencore_amrnb_encoder_select="audio_frame_queue"
2868 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2869 libopenh264_decoder_deps="libopenh264"
2870 libopenh264_decoder_select="h264_mp4toannexb_bsf"
2871 libopenh264_encoder_deps="libopenh264"
2872 libopenjpeg_decoder_deps="libopenjpeg"
2873 libopenjpeg_encoder_deps="libopenjpeg"
2874 libopenmpt_demuxer_deps="libopenmpt"
2875 libopus_decoder_deps="libopus"
2876 libopus_encoder_deps="libopus"
2877 libopus_encoder_select="audio_frame_queue"
2878 libschroedinger_decoder_deps="libschroedinger"
2879 libschroedinger_encoder_deps="libschroedinger"
2880 libshine_encoder_deps="libshine"
2881 libshine_encoder_select="audio_frame_queue"
2882 libspeex_decoder_deps="libspeex"
2883 libspeex_encoder_deps="libspeex"
2884 libspeex_encoder_select="audio_frame_queue"
2885 libtheora_encoder_deps="libtheora"
2886 libtwolame_encoder_deps="libtwolame"
2887 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2888 libvorbis_decoder_deps="libvorbis"
2889 libvorbis_encoder_deps="libvorbis"
2890 libvorbis_encoder_select="audio_frame_queue"
2891 libvpx_vp8_decoder_deps="libvpx"
2892 libvpx_vp8_encoder_deps="libvpx"
2893 libvpx_vp9_decoder_deps="libvpx"
2894 libvpx_vp9_encoder_deps="libvpx"
2895 libwavpack_encoder_deps="libwavpack"
2896 libwavpack_encoder_select="audio_frame_queue"
2897 libwebp_encoder_deps="libwebp"
2898 libwebp_anim_encoder_deps="libwebp"
2899 libx262_encoder_deps="libx262"
2900 libx264_encoder_deps="libx264"
2901 libx264rgb_encoder_deps="libx264 x264_csp_bgr"
2902 libx264rgb_encoder_select="libx264_encoder"
2903 libx265_encoder_deps="libx265"
2904 libxavs_encoder_deps="libxavs"
2905 libxvid_encoder_deps="libxvid"
2906 libzvbi_teletext_decoder_deps="libzvbi"
2907 videotoolbox_deps="VideoToolbox_VideoToolbox_h"
2908 videotoolbox_extralibs="-framework CoreFoundation -framework VideoToolbox -framework CoreMedia -framework CoreVideo"
2909 videotoolbox_encoder_deps="videotoolbox VTCompressionSessionPrepareToEncodeFrames"
2910 videotoolbox_encoder_suggest="vda_framework vt_bt2020"
2911 vt_bt2020_deps="kCVImageBufferColorPrimaries_ITU_R_2020"
2912
2913 # demuxers / muxers
2914 ac3_demuxer_select="ac3_parser"
2915 aiff_muxer_select="iso_media"
2916 asf_demuxer_select="riffdec"
2917 asf_o_demuxer_select="riffdec"
2918 asf_muxer_select="riffenc"
2919 asf_stream_muxer_select="asf_muxer"
2920 avi_demuxer_select="iso_media riffdec exif"
2921 avi_muxer_select="riffenc"
2922 caf_demuxer_select="iso_media riffdec"
2923 caf_muxer_select="iso_media"
2924 dash_muxer_select="mp4_muxer"
2925 dirac_demuxer_select="dirac_parser"
2926 dts_demuxer_select="dca_parser"
2927 dtshd_demuxer_select="dca_parser"
2928 dv_demuxer_select="dvprofile"
2929 dv_muxer_select="dvprofile"
2930 dxa_demuxer_select="riffdec"
2931 eac3_demuxer_select="ac3_parser"
2932 f4v_muxer_select="mov_muxer"
2933 fifo_muxer_deps="threads"
2934 flac_demuxer_select="flac_parser"
2935 hds_muxer_select="flv_muxer"
2936 hls_muxer_select="mpegts_muxer"
2937 image2_alias_pix_demuxer_select="image2_demuxer"
2938 image2_brender_pix_demuxer_select="image2_demuxer"
2939 ipod_muxer_select="mov_muxer"
2940 ismv_muxer_select="mov_muxer"
2941 libnut_demuxer_deps="libnut"
2942 libnut_muxer_deps="libnut"
2943 matroska_audio_muxer_select="matroska_muxer"
2944 matroska_demuxer_select="iso_media riffdec"
2945 matroska_demuxer_suggest="bzlib lzo zlib"
2946 matroska_muxer_select="iso_media riffenc"
2947 mmf_muxer_select="riffenc"
2948 mov_demuxer_select="iso_media riffdec"
2949 mov_demuxer_suggest="zlib"
2950 mov_muxer_select="iso_media riffenc rtpenc_chain"
2951 mp3_demuxer_select="mpegaudio_parser"
2952 mp3_muxer_select="mpegaudioheader"
2953 mp4_muxer_select="mov_muxer"
2954 mpegts_demuxer_select="iso_media"
2955 mpegts_muxer_select="adts_muxer latm_muxer"
2956 mpegtsraw_demuxer_select="mpegts_demuxer"
2957 mxf_d10_muxer_select="mxf_muxer"
2958 mxf_opatom_muxer_select="mxf_muxer"
2959 nut_muxer_select="riffenc"
2960 nuv_demuxer_select="riffdec"
2961 oga_muxer_select="ogg_muxer"
2962 ogg_demuxer_select="dirac_parse"
2963 ogv_muxer_select="ogg_muxer"
2964 opus_muxer_select="ogg_muxer"
2965 psp_muxer_select="mov_muxer"
2966 rtp_demuxer_select="sdp_demuxer"
2967 rtp_muxer_select="golomb"
2968 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol srtp"
2969 rtsp_demuxer_select="http_protocol rtpdec"
2970 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2971 sap_demuxer_select="sdp_demuxer"
2972 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2973 sdp_demuxer_select="rtpdec"
2974 smoothstreaming_muxer_select="ismv_muxer"
2975 spdif_muxer_select="aac_parser"
2976 spx_muxer_select="ogg_muxer"
2977 swf_demuxer_suggest="zlib"
2978 tak_demuxer_select="tak_parser"
2979 tg2_muxer_select="mov_muxer"
2980 tgp_muxer_select="mov_muxer"
2981 vobsub_demuxer_select="mpegps_demuxer"
2982 w64_demuxer_select="wav_demuxer"
2983 w64_muxer_select="wav_muxer"
2984 wav_demuxer_select="riffdec"
2985 wav_muxer_select="riffenc"
2986 webm_muxer_select="iso_media riffenc"
2987 webm_dash_manifest_demuxer_select="matroska_demuxer"
2988 wtv_demuxer_select="mpegts_demuxer riffdec"
2989 wtv_muxer_select="mpegts_muxer riffenc"
2990 xmv_demuxer_select="riffdec"
2991 xwma_demuxer_select="riffdec"
2992
2993 # indevs / outdevs
2994 alsa_indev_deps="alsa"
2995 alsa_outdev_deps="alsa"
2996 avfoundation_indev_deps="pthreads"
2997 avfoundation_indev_extralibs="-framework Foundation -framework AVFoundation -framework CoreVideo -framework CoreMedia"
2998 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2999 caca_outdev_deps="libcaca"
3000 decklink_indev_deps="decklink threads"
3001 decklink_indev_extralibs="-lstdc++"
3002 decklink_outdev_deps="decklink threads"
3003 decklink_outdev_extralibs="-lstdc++"
3004 dshow_indev_deps="IBaseFilter"
3005 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"
3006 dv1394_indev_deps="dv1394"
3007 dv1394_indev_select="dv_demuxer"
3008 fbdev_indev_deps="linux_fb_h"
3009 fbdev_outdev_deps="linux_fb_h"
3010 gdigrab_indev_deps="CreateDIBSection"
3011 gdigrab_indev_extralibs="-lgdi32"
3012 gdigrab_indev_select="bmp_decoder"
3013 iec61883_indev_deps="libiec61883"
3014 jack_indev_deps="jack"
3015 jack_indev_deps_any="sem_timedwait dispatch_dispatch_h"
3016 lavfi_indev_deps="avfilter"
3017 libcdio_indev_deps="libcdio"
3018 libdc1394_indev_deps="libdc1394"
3019 libv4l2_indev_deps="libv4l2"
3020 openal_indev_deps="openal"
3021 opengl_outdev_deps="opengl"
3022 oss_indev_deps_any="soundcard_h sys_soundcard_h"
3023 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
3024 pulse_indev_deps="libpulse"
3025 pulse_outdev_deps="libpulse"
3026 qtkit_indev_extralibs="-framework QTKit -framework Foundation -framework QuartzCore"
3027 qtkit_indev_select="qtkit"
3028 sdl2_outdev_deps="sdl2"
3029 sndio_indev_deps="sndio"
3030 sndio_outdev_deps="sndio"
3031 v4l_indev_deps="linux_videodev_h"
3032 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
3033 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
3034 vfwcap_indev_deps="vfw32 vfwcap_defines"
3035 xcbgrab_indev_deps="libxcb"
3036 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
3037 xv_outdev_extralibs="-lXv -lX11 -lXext"
3038
3039 # protocols
3040 async_protocol_deps="threads"
3041 bluray_protocol_deps="libbluray"
3042 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
3043 ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"
3044 ffrtmpcrypt_protocol_select="tcp_protocol"
3045 ffrtmphttp_protocol_deps="!librtmp_protocol"
3046 ffrtmphttp_protocol_select="http_protocol"
3047 ftp_protocol_select="tcp_protocol"
3048 gopher_protocol_select="network"
3049 http_protocol_select="tcp_protocol"
3050 httpproxy_protocol_select="tcp_protocol"
3051 https_protocol_select="tls_protocol"
3052 icecast_protocol_select="http_protocol"
3053 librtmp_protocol_deps="librtmp"
3054 librtmpe_protocol_deps="librtmp"
3055 librtmps_protocol_deps="librtmp"
3056 librtmpt_protocol_deps="librtmp"
3057 librtmpte_protocol_deps="librtmp"
3058 libsmbclient_protocol_deps="libsmbclient gplv3"
3059 libssh_protocol_deps="libssh"
3060 mmsh_protocol_select="http_protocol"
3061 mmst_protocol_select="network"
3062 rtmp_protocol_deps="!librtmp_protocol"
3063 rtmp_protocol_select="tcp_protocol"
3064 rtmpe_protocol_select="ffrtmpcrypt_protocol"
3065 rtmps_protocol_deps="!librtmp_protocol"
3066 rtmps_protocol_select="tls_protocol"
3067 rtmpt_protocol_select="ffrtmphttp_protocol"
3068 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
3069 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
3070 rtp_protocol_select="udp_protocol"
3071 sctp_protocol_deps="struct_sctp_event_subscribe struct_msghdr_msg_flags"
3072 sctp_protocol_select="network"
3073 srtp_protocol_select="rtp_protocol srtp"
3074 tcp_protocol_select="network"
3075 tls_gnutls_protocol_deps="gnutls !tls_schannel_protocol !tls_securetransport_protocol"
3076 tls_gnutls_protocol_select="tcp_protocol"
3077 tls_openssl_protocol_deps="openssl !tls_schannel_protocol !tls_securetransport_protocol !tls_gnutls_protocol"
3078 tls_openssl_protocol_select="tcp_protocol"
3079 tls_schannel_protocol_deps="schannel"
3080 tls_schannel_protocol_select="tcp_protocol"
3081 tls_securetransport_protocol_deps="securetransport"
3082 tls_securetransport_protocol_select="tcp_protocol"
3083 tls_protocol_deps_any="tls_schannel_protocol tls_securetransport_protocol tls_gnutls_protocol tls_openssl_protocol"
3084 udp_protocol_select="network"
3085 udplite_protocol_select="network"
3086 unix_protocol_deps="sys_un_h"
3087 unix_protocol_select="network"
3088
3089 # filters
3090 afftfilt_filter_deps="avcodec"
3091 afftfilt_filter_select="fft"
3092 afir_filter_deps="avcodec"
3093 afir_filter_select="fft"
3094 amovie_filter_deps="avcodec avformat"
3095 aresample_filter_deps="swresample"
3096 ass_filter_deps="libass"
3097 atempo_filter_deps="avcodec"
3098 atempo_filter_select="rdft"
3099 azmq_filter_deps="libzmq"
3100 blackframe_filter_deps="gpl"
3101 boxblur_filter_deps="gpl"
3102 bs2b_filter_deps="libbs2b"
3103 colormatrix_filter_deps="gpl"
3104 cover_rect_filter_deps="avcodec avformat gpl"
3105 cropdetect_filter_deps="gpl"
3106 deinterlace_qsv_filter_deps="libmfx"
3107 deinterlace_vaapi_filter_deps="vaapi"
3108 delogo_filter_deps="gpl"
3109 deshake_filter_select="pixelutils"
3110 drawtext_filter_deps="libfreetype"
3111 elbg_filter_deps="avcodec"
3112 eq_filter_deps="gpl"
3113 fftfilt_filter_deps="avcodec"
3114 fftfilt_filter_select="rdft"
3115 find_rect_filter_deps="avcodec avformat gpl"
3116 firequalizer_filter_deps="avcodec"
3117 firequalizer_filter_select="rdft"
3118 flite_filter_deps="libflite"
3119 framerate_filter_select="pixelutils"
3120 frei0r_filter_deps="frei0r dlopen"
3121 frei0r_src_filter_deps="frei0r dlopen"
3122 fspp_filter_deps="gpl"
3123 geq_filter_deps="gpl"
3124 histeq_filter_deps="gpl"
3125 hqdn3d_filter_deps="gpl"
3126 interlace_filter_deps="gpl"
3127 kerndeint_filter_deps="gpl"
3128 ladspa_filter_deps="ladspa dlopen"
3129 mcdeint_filter_deps="avcodec gpl"
3130 movie_filter_deps="avcodec avformat"
3131 mpdecimate_filter_deps="gpl"
3132 mpdecimate_filter_select="pixelutils"
3133 mptestsrc_filter_deps="gpl"
3134 negate_filter_deps="lut_filter"
3135 nnedi_filter_deps="gpl"
3136 ocr_filter_deps="libtesseract"
3137 ocv_filter_deps="libopencv"
3138 owdenoise_filter_deps="gpl"
3139 pan_filter_deps="swresample"
3140 perspective_filter_deps="gpl"
3141 phase_filter_deps="gpl"
3142 pp7_filter_deps="gpl"
3143 pp_filter_deps="gpl postproc"
3144 pullup_filter_deps="gpl"
3145 removelogo_filter_deps="avcodec avformat swscale"
3146 repeatfields_filter_deps="gpl"
3147 resample_filter_deps="avresample"
3148 rubberband_filter_deps="librubberband"
3149 sab_filter_deps="gpl swscale"
3150 scale2ref_filter_deps="swscale"
3151 scale_filter_deps="swscale"
3152 scale_qsv_filter_deps="libmfx"
3153 select_filter_select="pixelutils"
3154 showcqt_filter_deps="avcodec avformat swscale"
3155 showcqt_filter_select="fft"
3156 showfreqs_filter_deps="avcodec"
3157 showfreqs_filter_select="fft"
3158 showspectrum_filter_deps="avcodec"
3159 showspectrum_filter_select="fft"
3160 showspectrumpic_filter_deps="avcodec"
3161 showspectrumpic_filter_select="fft"
3162 signature_filter_deps="gpl avcodec avformat"
3163 smartblur_filter_deps="gpl swscale"
3164 sofalizer_filter_deps="netcdf avcodec"
3165 sofalizer_filter_select="fft"
3166 spectrumsynth_filter_deps="avcodec"
3167 spectrumsynth_filter_select="fft"
3168 spp_filter_deps="gpl avcodec"
3169 spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"
3170 stereo3d_filter_deps="gpl"
3171 subtitles_filter_deps="avformat avcodec libass"
3172 super2xsai_filter_deps="gpl"
3173 pixfmts_super2xsai_test_deps="super2xsai_filter"
3174 tinterlace_filter_deps="gpl"
3175 tinterlace_merge_test_deps="tinterlace_filter"
3176 tinterlace_pad_test_deps="tinterlace_filter"
3177 uspp_filter_deps="gpl avcodec"
3178 vaguedenoiser_filter_deps="gpl"
3179 vidstabdetect_filter_deps="libvidstab"
3180 vidstabtransform_filter_deps="libvidstab"
3181 zmq_filter_deps="libzmq"
3182 zoompan_filter_deps="swscale"
3183 zscale_filter_deps="libzimg"
3184 scale_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
3185
3186 # examples
3187 avio_dir_cmd_deps="avformat avutil"
3188 avio_reading_deps="avformat avcodec avutil"
3189 decode_audio_example_deps="avcodec avutil"
3190 decode_video_example_deps="avcodec avutil"
3191 demuxing_decoding_example_deps="avcodec avformat avutil"
3192 encode_audio_example_deps="avcodec avutil"
3193 encode_video_example_deps="avcodec avutil"
3194 extract_mvs_example_deps="avcodec avformat avutil"
3195 filter_audio_example_deps="avfilter avutil"
3196 filtering_audio_example_deps="avfilter avcodec avformat avutil"
3197 filtering_video_example_deps="avfilter avcodec avformat avutil"
3198 http_multiclient_example_deps="avformat avutil fork"
3199 metadata_example_deps="avformat avutil"
3200 muxing_example_deps="avcodec avformat avutil swscale"
3201 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder"
3202 remuxing_example_deps="avcodec avformat avutil"
3203 resampling_audio_example_deps="avutil swresample"
3204 scaling_video_example_deps="avutil swscale"
3205 transcode_aac_example_deps="avcodec avformat swresample"
3206 transcoding_example_deps="avfilter avcodec avformat avutil"
3207
3208 # libraries, in linking order
3209 avcodec_deps="avutil"
3210 avcodec_select="null_bsf"
3211 avdevice_deps="avformat avcodec avutil"
3212 avfilter_deps="avutil"
3213 avformat_deps="avcodec avutil"
3214 avresample_deps="avutil"
3215 postproc_deps="avutil gpl"
3216 swresample_deps="avutil"
3217 swscale_deps="avutil"
3218
3219 # programs
3220 ffmpeg_deps="avcodec avfilter avformat swresample"
3221 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
3222                null_filter
3223                trim_filter"
3224 ffplay_deps="avcodec avformat swscale swresample sdl2"
3225 ffplay_extralibs='$sdl2_extralibs'
3226 ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"
3227 ffprobe_deps="avcodec avformat"
3228 ffserver_deps="avformat fork sarestart"
3229 ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
3230
3231 # documentation
3232 podpages_deps="perl"
3233 manpages_deps="perl pod2man"
3234 htmlpages_deps="perl"
3235 htmlpages_deps_any="makeinfo_html texi2html"
3236 txtpages_deps="perl makeinfo"
3237 doc_deps_any="manpages htmlpages podpages txtpages"
3238
3239 # default parameters
3240
3241 logfile="ffbuild/config.log"
3242
3243 # installation paths
3244 prefix_default="/usr/local"
3245 bindir_default='${prefix}/bin'
3246 datadir_default='${prefix}/share/ffmpeg'
3247 docdir_default='${prefix}/share/doc/ffmpeg'
3248 incdir_default='${prefix}/include'
3249 libdir_default='${prefix}/lib'
3250 mandir_default='${prefix}/share/man'
3251
3252 # toolchain
3253 ar_default="ar"
3254 cc_default="gcc"
3255 cxx_default="g++"
3256 host_cc_default="gcc"
3257 doxygen_default="doxygen"
3258 install="install"
3259 ln_s_default="ln -s -f"
3260 nm_default="nm -g"
3261 objformat="elf"
3262 pkg_config_default=pkg-config
3263 ranlib_default="ranlib"
3264 strip_default="strip"
3265 version_script='--version-script'
3266 yasmexe_default="yasm"
3267 windres_default="windres"
3268 nvcc_default="nvcc"
3269 nvccflags_default="-gencode arch=compute_30,code=sm_30 -O2"
3270
3271 # OS
3272 target_os_default=$(tolower $(uname -s))
3273 host_os=$target_os_default
3274
3275 # machine
3276 if test "$target_os_default" = aix; then
3277     arch_default=$(uname -p)
3278     strip_default="strip -X32_64"
3279 else
3280     arch_default=$(uname -m)
3281 fi
3282 cpu="generic"
3283 intrinsics="none"
3284
3285 # configurable options
3286 enable $PROGRAM_LIST
3287 enable $DOCUMENT_LIST
3288 enable $EXAMPLE_LIST
3289 enable $(filter_out avresample $LIBRARY_LIST)
3290 enable stripping
3291
3292 enable asm
3293 enable debug
3294 enable doc
3295 enable faan faandct faanidct
3296 enable optimizations
3297 enable runtime_cpudetect
3298 enable safe_bitstream_reader
3299 enable static
3300 enable swscale_alpha
3301 enable valgrind_backtrace
3302
3303 sws_max_filter_size_default=256
3304 set_default sws_max_filter_size
3305
3306 # build settings
3307 SHFLAGS='-shared -Wl,-soname,$$(@F)'
3308 LIBPREF="lib"
3309 LIBSUF=".a"
3310 FULLNAME='$(NAME)$(BUILDSUF)'
3311 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
3312 SLIBPREF="lib"
3313 SLIBSUF=".so"
3314 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
3315 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
3316 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
3317 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
3318 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
3319 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
3320 VERSION_SCRIPT_POSTPROCESS_CMD="cat"
3321
3322 asflags_filter=echo
3323 cflags_filter=echo
3324 ldflags_filter=echo
3325
3326 AS_C='-c'
3327 AS_O='-o $@'
3328 CC_C='-c'
3329 CC_E='-E -o $@'
3330 CC_O='-o $@'
3331 CXX_C='-c'
3332 CXX_O='-o $@'
3333 OBJCC_C='-c'
3334 OBJCC_E='-E -o $@'
3335 OBJCC_O='-o $@'
3336 LD_O='-o $@'
3337 LD_LIB='-l%'
3338 LD_PATH='-L'
3339 HOSTCC_C='-c'
3340 HOSTCC_E='-E -o $@'
3341 HOSTCC_O='-o $@'
3342 HOSTLD_O='-o $@'
3343 NVCC_C='-c'
3344 NVCC_O='-o $@'
3345
3346 host_extralibs='-lm'
3347 host_cflags_filter=echo
3348 host_ldflags_filter=echo
3349
3350 target_path='$(CURDIR)'
3351
3352 # since the object filename is not given with the -MM flag, the compiler
3353 # is only able to print the basename, and we must add the path ourselves
3354 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>/dev/null | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(@F),$(@D)/$(@F)," > $(@:.o=.d)'
3355 DEPFLAGS='-MM'
3356
3357 # find source path
3358 if test -f configure; then
3359     source_path=.
3360 else
3361     source_path=$(cd $(dirname "$0"); pwd)
3362     case "$source_path" in
3363         *[[:blank:]]*) die "Out of tree builds are impossible with whitespace in source path." ;;
3364     esac
3365     test -e "$source_path/config.h" &&
3366         die "Out of tree builds are impossible with config.h in source dir."
3367 fi
3368
3369 for v in "$@"; do
3370     r=${v#*=}
3371     l=${v%"$r"}
3372     r=$(sh_quote "$r")
3373     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
3374 done
3375
3376 find_things(){
3377     thing=$1
3378     pattern=$2
3379     file=$source_path/$3
3380     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
3381 }
3382
3383 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
3384 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
3385 HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
3386 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
3387 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
3388 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
3389 OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
3390 INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
3391 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
3392
3393 find_things_extern(){
3394     thing=$1
3395     pattern=$2
3396     file=$source_path/$3
3397     sed -n "s/^[^#]*extern.*$pattern *ff_\([^ ]*\)_$thing;/\1_$thing/p" "$file"
3398 }
3399
3400 BSF_LIST=$(find_things_extern bsf AVBitStreamFilter libavcodec/bitstream_filters.c)
3401 PROTOCOL_LIST=$(find_things_extern protocol URLProtocol libavformat/protocols.c)
3402
3403 ALL_COMPONENTS="
3404     $BSF_LIST
3405     $DECODER_LIST
3406     $DEMUXER_LIST
3407     $ENCODER_LIST
3408     $FILTER_LIST
3409     $HWACCEL_LIST
3410     $INDEV_LIST
3411     $MUXER_LIST
3412     $OUTDEV_LIST
3413     $PARSER_LIST
3414     $PROTOCOL_LIST
3415 "
3416
3417 for n in $COMPONENT_LIST; do
3418     v=$(toupper ${n%s})_LIST
3419     eval enable \$$v
3420     eval ${n}_if_any="\$$v"
3421 done
3422
3423 enable $ARCH_EXT_LIST
3424
3425 die_unknown(){
3426     echo "Unknown option \"$1\"."
3427     echo "See $0 --help for available options."
3428     exit 1
3429 }
3430
3431 print_in_columns() {
3432     cols=$(expr $ncols / 24)
3433     cat | tr ' ' '\n' | sort | pr -r "-$cols" -w $ncols -t
3434 }
3435
3436 show_list() {
3437     suffix=_$1
3438     shift
3439     echo $* | sed s/$suffix//g | print_in_columns
3440     exit 0
3441 }
3442
3443 rand_list(){
3444     IFS=', '
3445     set -- $*
3446     unset IFS
3447     for thing; do
3448         comp=${thing%:*}
3449         prob=${thing#$comp}
3450         prob=${prob#:}
3451         is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
3452         echo "prob ${prob:-0.5}"
3453         printf '%s\n' $comp
3454     done
3455 }
3456
3457 do_random(){
3458     action=$1
3459     shift
3460     random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
3461     $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
3462 }
3463
3464 for opt do
3465     optval="${opt#*=}"
3466     case "$opt" in
3467         --extra-ldflags=*)
3468             add_ldflags $optval
3469         ;;
3470         --extra-ldexeflags=*)
3471             add_ldexeflags $optval
3472         ;;
3473         --extra-ldlibflags=*)
3474             add_ldlibflags $optval
3475         ;;
3476         --extra-libs=*)
3477             add_extralibs $optval
3478         ;;
3479         --disable-devices)
3480             disable $INDEV_LIST $OUTDEV_LIST
3481         ;;
3482         --enable-debug=*)
3483             debuglevel="$optval"
3484         ;;
3485         --disable-programs)
3486             disable $PROGRAM_LIST
3487         ;;
3488         --disable-everything)
3489             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3490         ;;
3491         --disable-all)
3492             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3493             disable $LIBRARY_LIST $PROGRAM_LIST doc
3494             enable avutil
3495         ;;
3496         --enable-random|--disable-random)
3497             action=${opt%%-random}
3498             do_random ${action#--} $COMPONENT_LIST
3499         ;;
3500         --enable-random=*|--disable-random=*)
3501             action=${opt%%-random=*}
3502             do_random ${action#--} $optval
3503         ;;
3504         --enable-*=*|--disable-*=*)
3505             eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
3506             is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
3507             eval list=\$$(toupper $thing)_LIST
3508             name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
3509             list=$(filter "$name" $list)
3510             [ "$list" = "" ] && warn "Option $opt did not match anything"
3511             $action $list
3512         ;;
3513         --enable-?*|--disable-?*)
3514             eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
3515             if is_in $option $COMPONENT_LIST; then
3516                 test $action = disable && action=unset
3517                 eval $action \$$(toupper ${option%s})_LIST
3518             elif is_in $option $CMDLINE_SELECT; then
3519                 $action $option
3520             else
3521                 die_unknown $opt
3522             fi
3523         ;;
3524         --list-*)
3525             NAME="${opt#--list-}"
3526             is_in $NAME $COMPONENT_LIST || die_unknown $opt
3527             NAME=${NAME%s}
3528             eval show_list $NAME \$$(toupper $NAME)_LIST
3529         ;;
3530         --help|-h) show_help
3531         ;;
3532         --quiet|-q) quiet=yes
3533         ;;
3534         --fatal-warnings) enable fatal_warnings
3535         ;;
3536         --libfuzzer=*)
3537             libfuzzer_path="$optval"
3538         ;;
3539         *)
3540             optname="${opt%%=*}"
3541             optname="${optname#--}"
3542             optname=$(echo "$optname" | sed 's/-/_/g')
3543             if is_in $optname $CMDLINE_SET; then
3544                 eval $optname='$optval'
3545             elif is_in $optname $CMDLINE_APPEND; then
3546                 append $optname "$optval"
3547             else
3548                 die_unknown $opt
3549             fi
3550         ;;
3551     esac
3552 done
3553
3554 for e in $env; do
3555     eval "export $e"
3556 done
3557
3558 # Mark specifically enabled, but normally autodetected libraries as requested.
3559 for lib in $AUTODETECT_LIBS; do
3560     enabled $lib && request $lib
3561 done
3562
3563 # Enable platform codecs by default.
3564 enable_weak audiotoolbox
3565
3566 # Enable hwaccels by default.
3567 enable_weak d3d11va dxva2 vaapi vda vdpau videotoolbox_hwaccel xvmc
3568 enable_weak xlib
3569
3570 enable_weak cuda cuvid nvenc vda_framework videotoolbox videotoolbox_encoder
3571
3572 disabled logging && logfile=/dev/null
3573
3574 die_license_disabled() {
3575     enabled $1 || { enabled $v && die "$v is $1 and --enable-$1 is not specified."; }
3576 }
3577
3578 die_license_disabled_gpl() {
3579     enabled $1 || { enabled $v && die "$v is incompatible with the gpl and --enable-$1 is not specified."; }
3580 }
3581
3582 map "die_license_disabled gpl"      $EXTERNAL_LIBRARY_GPL_LIST $EXTERNAL_LIBRARY_GPLV3_LIST
3583 map "die_license_disabled version3" $EXTERNAL_LIBRARY_VERSION3_LIST $EXTERNAL_LIBRARY_GPLV3_LIST
3584
3585 enabled gpl && map "die_license_disabled_gpl nonfree" $EXTERNAL_LIBRARY_NONFREE_LIST
3586 map "die_license_disabled nonfree" $HWACCEL_LIBRARY_NONFREE_LIST
3587
3588 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3589
3590 # Disable all the library-specific components if the library itself
3591 # is disabled, see AVCODEC_LIST and following _LIST variables.
3592
3593 disable_components(){
3594     disabled ${1} && disable $(
3595         eval components="\$$(toupper ${1})_COMPONENTS"
3596         map 'eval echo \${$(toupper ${v%s})_LIST}' $components
3597     )
3598 }
3599
3600 map 'disable_components $v' $LIBRARY_LIST
3601
3602 mkdir -p ffbuild
3603 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
3604 set >> $logfile
3605
3606 test -n "$valgrind" && toolchain="valgrind-memcheck"
3607
3608 enabled ossfuzz && {
3609     add_cflags  -fsanitize=address,undefined -fsanitize-coverage=trace-pc-guard,trace-cmp -fno-omit-frame-pointer
3610     add_ldflags -fsanitize=address,undefined -fsanitize-coverage=trace-pc-guard,trace-cmp
3611 }
3612
3613 case "$toolchain" in
3614     *-asan)
3615         cc_default="${toolchain%-asan}"
3616         add_cflags  -fsanitize=address
3617         add_ldflags -fsanitize=address
3618     ;;
3619     *-msan)
3620         cc_default="${toolchain%-msan}"
3621         add_cflags  -fsanitize=memory -fsanitize-memory-track-origins
3622         add_ldflags -fsanitize=memory
3623     ;;
3624     *-tsan)
3625         cc_default="${toolchain%-tsan}"
3626         add_cflags  -fsanitize=thread -fPIE
3627         add_ldflags -fsanitize=thread -pie
3628         case "$toolchain" in
3629             gcc-tsan)
3630                 add_cflags  -fPIC
3631                 add_ldflags -fPIC
3632                 ;;
3633         esac
3634     ;;
3635     *-usan)
3636         cc_default="${toolchain%-usan}"
3637         add_cflags  -fsanitize=undefined
3638         add_ldflags -fsanitize=undefined
3639     ;;
3640     valgrind-*)
3641         target_exec_default="valgrind"
3642         case "$toolchain" in
3643             valgrind-massif)
3644                 target_exec_args="--tool=massif --alloc-fn=av_malloc --alloc-fn=av_mallocz --alloc-fn=av_calloc --alloc-fn=av_fast_padded_malloc --alloc-fn=av_fast_malloc --alloc-fn=av_realloc_f --alloc-fn=av_fast_realloc --alloc-fn=av_realloc"
3645                 ;;
3646             valgrind-memcheck)
3647                 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
3648                 ;;
3649         esac
3650     ;;
3651     msvc)
3652         # Check whether the current MSVC version needs the C99 converter.
3653         # From MSVC 2013 (compiler major version 18) onwards, it does actually
3654         # support enough of C99 to build ffmpeg. Default to the new
3655         # behaviour if the regexp was unable to match anything, since this
3656         # successfully parses the version number of existing supported
3657         # versions that require the converter (MSVC 2010 and 2012).
3658         cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
3659         if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
3660             cc_default="cl"
3661             cxx_default="cl"
3662         else
3663             cc_default="c99wrap cl"
3664             cxx_default="c99wrap cl"
3665         fi
3666         ld_default="$source_path/compat/windows/mslink"
3667         nm_default="dumpbin -symbols"
3668         ar_default="lib"
3669         case "$arch" in
3670         arm*)
3671             as_default="armasm"
3672             ;;
3673         esac
3674         target_os_default="win32"
3675         # Use a relative path for TMPDIR. This makes sure all the
3676         # ffconf temp files are written with a relative path, avoiding
3677         # issues with msys/win32 path conversion for MSVC parameters
3678         # such as -Fo<file> or -out:<file>.
3679         TMPDIR=.
3680     ;;
3681     icl)
3682         cc_default="icl"
3683         ld_default="xilink"
3684         nm_default="dumpbin -symbols"
3685         ar_default="xilib"
3686         target_os_default="win32"
3687         TMPDIR=.
3688     ;;
3689     gcov)
3690         add_cflags  -fprofile-arcs -ftest-coverage
3691         add_ldflags -fprofile-arcs -ftest-coverage
3692     ;;
3693     llvm-cov)
3694         add_cflags -fprofile-arcs -ftest-coverage
3695         add_ldflags --coverage
3696     ;;
3697     hardened)
3698         add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
3699         add_cflags   -fno-strict-overflow -fstack-protector-all
3700         add_ldflags  -Wl,-z,relro -Wl,-z,now
3701         add_cflags   -fPIE
3702         add_ldexeflags -fPIE -pie
3703     ;;
3704     ?*)
3705         die "Unknown toolchain $toolchain"
3706     ;;
3707 esac
3708
3709 test -n "$cross_prefix" && enable cross_compile
3710
3711 if enabled cross_compile; then
3712     test -n "$arch" && test -n "$target_os" ||
3713         die "Must specify target arch (--arch) and OS (--target-os) when cross-compiling"
3714 fi
3715
3716 ar_default="${cross_prefix}${ar_default}"
3717 cc_default="${cross_prefix}${cc_default}"
3718 cxx_default="${cross_prefix}${cxx_default}"
3719 nm_default="${cross_prefix}${nm_default}"
3720 pkg_config_default="${cross_prefix}${pkg_config_default}"
3721 if ${cross_prefix}${ranlib_default} 2>&1 | grep -q "\-D "; then
3722     ranlib_default="${cross_prefix}${ranlib_default} -D"
3723 else
3724     ranlib_default="${cross_prefix}${ranlib_default}"
3725 fi
3726 strip_default="${cross_prefix}${strip_default}"
3727 windres_default="${cross_prefix}${windres_default}"
3728
3729 sysinclude_default="${sysroot}/usr/include"
3730
3731 set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \
3732     target_exec target_os yasmexe nvcc
3733 enabled cross_compile || host_cc_default=$cc
3734 set_default host_cc
3735
3736 pkg_config_fail_message=""
3737 if ! $pkg_config --version >/dev/null 2>&1; then
3738     warn "$pkg_config not found, library detection may fail."
3739     pkg_config=false
3740 elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then
3741     pkg_config_fail_message="
3742 Note: When building a static binary, add --pkg-config-flags=\"--static\"."
3743 fi
3744
3745 if test $doxygen != $doxygen_default && \
3746   ! $doxygen --version >/dev/null 2>&1; then
3747     warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."
3748 fi
3749
3750 exesuf() {
3751     case $1 in
3752         mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
3753     esac
3754 }
3755
3756 EXESUF=$(exesuf $target_os)
3757 HOSTEXESUF=$(exesuf $host_os)
3758
3759 # set temporary file name
3760 : ${TMPDIR:=$TEMPDIR}
3761 : ${TMPDIR:=$TMP}
3762 : ${TMPDIR:=/tmp}
3763
3764 if [ -n "$tempprefix" ] ; then
3765     mktemp(){
3766         echo $tempprefix.${HOSTNAME}.${UID}
3767     }
3768 elif ! check_cmd mktemp -u XXXXXX; then
3769     # simple replacement for missing mktemp
3770     # NOT SAFE FOR GENERAL USE
3771     mktemp(){
3772         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
3773     }
3774 fi
3775
3776 tmpfile(){
3777     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
3778         (set -C; exec > $tmp) 2>/dev/null ||
3779         die "Unable to create temporary file in $TMPDIR."
3780     append TMPFILES $tmp
3781     eval $1=$tmp
3782 }
3783
3784 trap 'rm -f -- $TMPFILES' EXIT
3785
3786 tmpfile TMPASM .asm
3787 tmpfile TMPC   .c
3788 tmpfile TMPCPP .cpp
3789 tmpfile TMPE   $EXESUF
3790 tmpfile TMPH   .h
3791 tmpfile TMPM   .m
3792 tmpfile TMPO   .o
3793 tmpfile TMPS   .S
3794 tmpfile TMPSH  .sh
3795 tmpfile TMPV   .ver
3796
3797 unset -f mktemp
3798
3799 chmod +x $TMPE
3800
3801 # make sure we can execute files in $TMPDIR
3802 cat > $TMPSH 2>> $logfile <<EOF
3803 #! /bin/sh
3804 EOF
3805 chmod +x $TMPSH >> $logfile 2>&1
3806 if ! $TMPSH >> $logfile 2>&1; then
3807     cat <<EOF
3808 Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
3809 variable to another directory and make sure that it is not mounted noexec.
3810 EOF
3811     die "Sanity test failed."
3812 fi
3813
3814 armasm_flags(){
3815     for flag; do
3816         case $flag in
3817             # Filter out MSVC cl.exe options from cflags that shouldn't
3818             # be passed to gas-preprocessor
3819             -M[TD]*)                                            ;;
3820             *)                  echo $flag                      ;;
3821         esac
3822    done
3823 }
3824
3825 ccc_flags(){
3826     for flag; do
3827         case $flag in
3828             -std=c99)           echo -c99                       ;;
3829             -mcpu=*)            echo -arch ${flag#*=}           ;;
3830             -mieee)             echo -ieee                      ;;
3831             -O*|-fast)          echo $flag                      ;;
3832             -fno-math-errno)    echo -assume nomath_errno       ;;
3833             -g)                 echo -g3                        ;;
3834             -Wall)              echo -msg_enable level2         ;;
3835             -Wno-pointer-sign)  echo -msg_disable ptrmismatch1  ;;
3836             -Wl,*)              echo $flag                      ;;
3837             -f*|-W*)                                            ;;
3838             *)                  echo $flag                      ;;
3839         esac
3840    done
3841 }
3842
3843 cparser_flags(){
3844     for flag; do
3845         case $flag in
3846             -Wno-switch)             echo -Wno-switch-enum ;;
3847             -Wno-format-zero-length) ;;
3848             -Wdisabled-optimization) ;;
3849             -Wno-pointer-sign)       echo -Wno-other ;;
3850             *)                       echo $flag ;;
3851         esac
3852     done
3853 }
3854
3855 msvc_common_flags(){
3856     for flag; do
3857         case $flag in
3858             # In addition to specifying certain flags under the compiler
3859             # specific filters, they must be specified here as well or else the
3860             # generic catch all at the bottom will print the original flag.
3861             -Wall)                ;;
3862             -std=c99)             ;;
3863             # Common flags
3864             -fomit-frame-pointer) ;;
3865             -g)                   echo -Z7 ;;
3866             -fno-math-errno)      ;;
3867             -fno-common)          ;;
3868             -fno-signed-zeros)    ;;
3869             -fPIC)                ;;
3870             -mthumb)              ;;
3871             -march=*)             ;;
3872             -lz)                  echo zlib.lib ;;
3873             -lx264)               echo libx264.lib ;;
3874             -lstdc++)             ;;
3875             -l*)                  echo ${flag#-l}.lib ;;
3876             -LARGEADDRESSAWARE)   echo $flag ;;
3877             -L*)                  echo -libpath:${flag#-L} ;;
3878             *)                    echo $flag ;;
3879         esac
3880     done
3881 }
3882
3883 msvc_flags(){
3884     msvc_common_flags "$@"
3885     for flag; do
3886         case $flag in
3887             -Wall)                echo -W4 -wd4244 -wd4127 -wd4018 -wd4389     \
3888                                        -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
3889                                        -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
3890                                        -wd4307 \
3891                                        -wd4273 -wd4554 -wd4701 -wd4703 ;;
3892         esac
3893     done
3894 }
3895
3896 icl_flags(){
3897     msvc_common_flags "$@"
3898     for flag; do
3899         case $flag in
3900             # Despite what Intel's documentation says -Wall, which is supported
3901             # on Windows, does enable remarks so disable them here.
3902             -Wall)                echo $flag -Qdiag-disable:remark ;;
3903             -std=c99)             echo -Qstd=c99 ;;
3904             -flto)                echo -ipo ;;
3905         esac
3906     done
3907 }
3908
3909 icc_flags(){
3910     for flag; do
3911         case $flag in
3912             -flto)                echo -ipo ;;
3913             *)                    echo $flag ;;
3914         esac
3915     done
3916 }
3917
3918 pgi_flags(){
3919     for flag; do
3920         case $flag in
3921             -flto)                echo -Mipa=fast,libopt,libinline,vestigial ;;
3922             -fomit-frame-pointer) echo -Mnoframe ;;
3923             -g)                   echo -gopt ;;
3924             *)                    echo $flag ;;
3925         esac
3926     done
3927 }
3928
3929 suncc_flags(){
3930     for flag; do
3931         case $flag in
3932             -march=*|-mcpu=*)
3933                 case "${flag#*=}" in
3934                     native)                   echo -xtarget=native       ;;
3935                     v9|niagara)               echo -xarch=sparc          ;;
3936                     ultrasparc)               echo -xarch=sparcvis       ;;
3937                     ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
3938                     i586|pentium)             echo -xchip=pentium        ;;
3939                     i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
3940                     pentium3*|c3-2)           echo -xtarget=pentium3     ;;
3941                     pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
3942                     pentium4*)          echo -xtarget=pentium4           ;;
3943                     prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
3944                     *-sse3)             echo -xarch=sse3                 ;;
3945                     core2)              echo -xarch=ssse3 -xchip=core2   ;;
3946                     bonnell)                   echo -xarch=ssse3         ;;
3947                     corei7|nehalem)            echo -xtarget=nehalem     ;;
3948                     westmere)                  echo -xtarget=westmere    ;;
3949                     silvermont)                echo -xarch=sse4_2        ;;
3950                     corei7-avx|sandybridge)    echo -xtarget=sandybridge ;;
3951                     core-avx*|ivybridge|haswell|broadwell|skylake*|knl)
3952                                                echo -xarch=avx           ;;
3953                     amdfam10|barcelona)        echo -xtarget=barcelona   ;;
3954                     btver1)                    echo -xarch=amdsse4a      ;;
3955                     btver2|bdver*|znver*)      echo -xarch=avx           ;;
3956                     athlon-4|athlon-[mx]p)     echo -xarch=ssea          ;;
3957                     k8|opteron|athlon64|athlon-fx)
3958                                                echo -xarch=sse2a         ;;
3959                     athlon*)                   echo -xarch=pentium_proa  ;;
3960                 esac
3961                 ;;
3962             -std=c99)             echo -xc99              ;;
3963             -fomit-frame-pointer) echo -xregs=frameptr    ;;
3964             -fPIC)                echo -KPIC -xcode=pic32 ;;
3965             -W*,*)                echo $flag              ;;
3966             -f*-*|-W*|-mimpure-text)                      ;;
3967             -shared)              echo -G                 ;;
3968             *)                    echo $flag              ;;
3969         esac
3970     done
3971 }
3972
3973 tms470_flags(){
3974     for flag; do
3975         case $flag in
3976             -march=*|-mcpu=*)
3977                 case "${flag#*=}" in
3978                     armv7-a|cortex-a*)      echo -mv=7a8 ;;
3979                     armv7-r|cortex-r*)      echo -mv=7r4 ;;
3980                     armv7-m|cortex-m*)      echo -mv=7m3 ;;
3981                     armv6*|arm11*)          echo -mv=6   ;;
3982                     armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
3983                                             echo -mv=5e  ;;
3984                     armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
3985                 esac
3986                 ;;
3987             -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
3988             -mfpu=vfp)      echo --float_support=vfpv2        ;;
3989             -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
3990             -mfpu=vfpv3-d16) echo --float_support=vfpv3d16    ;;
3991             -msoft-float)   echo --float_support=vfplib       ;;
3992             -O[0-3]|-mf=*)  echo $flag                        ;;
3993             -g)             echo -g -mn                       ;;
3994             -pds=*)         echo $flag                        ;;
3995             -D*|-I*)        echo $flag                        ;;
3996             --gcc|--abi=*)  echo $flag                        ;;
3997             -me)            echo $flag                        ;;
3998         esac
3999     done
4000 }
4001
4002 probe_cc(){
4003     pfx=$1
4004     _cc=$2
4005     first=$3
4006
4007     unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
4008     unset _ld_o _ldflags _ld_lib _ld_path
4009     unset _depflags _DEPCMD _DEPFLAGS
4010     _flags_filter=echo
4011
4012     if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
4013         true # no-op to avoid reading stdin in following checks
4014     elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
4015         _type=llvm_gcc
4016         gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')
4017         _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"
4018         _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4019         _cflags_speed='-O3'
4020         _cflags_size='-Os'
4021     elif $_cc -v 2>&1 | grep -qi ^gcc; then
4022         _type=gcc
4023         gcc_version=$($_cc --version | head -n1)
4024         gcc_basever=$($_cc -dumpversion)
4025         gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
4026         gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
4027         _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
4028         case $gcc_basever in
4029             2) ;;
4030             2.*) ;;
4031             *) _depflags='-MMD -MF $(@:.o=.d) -MT $@' ;;
4032         esac
4033         if [ "$first" = true ]; then
4034             case $gcc_basever in
4035                 4.2*)
4036                 warn "gcc 4.2 is outdated and may miscompile FFmpeg. Please use a newer compiler." ;;
4037             esac
4038         fi
4039         _cflags_speed='-O3'
4040         _cflags_size='-Os'
4041     elif $_cc --version 2>/dev/null | grep -q ^icc; then
4042         _type=icc
4043         _ident=$($_cc --version | head -n1)
4044         _depflags='-MMD'
4045         _cflags_speed='-O3'
4046         _cflags_size='-Os'
4047         _cflags_noopt='-O1'
4048         _flags_filter=icc_flags
4049     elif $_cc -v 2>&1 | grep -q xlc; then
4050         _type=xlc
4051         _ident=$($_cc -qversion 2>/dev/null | head -n1)
4052         _cflags_speed='-O5'
4053         _cflags_size='-O5 -qcompact'
4054     elif $_cc -V 2>/dev/null | grep -q Compaq; then
4055         _type=ccc
4056         _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
4057         _DEPFLAGS='-M'
4058         _cflags_speed='-fast'
4059         _cflags_size='-O1'
4060         _flags_filter=ccc_flags
4061     elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
4062         test -d "$sysroot" || die "No valid sysroot specified."
4063         _type=armcc
4064         _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
4065         armcc_conf="$PWD/armcc.conf"
4066         $_cc --arm_linux_configure                 \
4067              --arm_linux_config_file="$armcc_conf" \
4068              --configure_sysroot="$sysroot"        \
4069              --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
4070              die "Error creating armcc configuration file."
4071         $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
4072         _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
4073         as_default="${cross_prefix}gcc"
4074         _depflags='-MMD'
4075         _cflags_speed='-O3'
4076         _cflags_size='-Os'
4077     elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
4078         _type=tms470
4079         _ident=$($_cc -version | head -n1 | tr -s ' ')
4080         _flags='--gcc --abi=eabi -me'
4081         _cc_e='-ppl -fe=$@'
4082         _cc_o='-fe=$@'
4083         _depflags='-ppa -ppd=$(@:.o=.d)'
4084         _cflags_speed='-O3 -mf=5'
4085         _cflags_size='-O3 -mf=2'
4086         _flags_filter=tms470_flags
4087     elif $_cc -v 2>&1 | grep -q clang; then
4088         _type=clang
4089         _ident=$($_cc --version 2>/dev/null | head -n1)
4090         _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4091         _cflags_speed='-O3'
4092         _cflags_size='-Oz'
4093     elif $_cc -V 2>&1 | grep -q Sun; then
4094         _type=suncc
4095         _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
4096         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
4097         _DEPFLAGS='-xM1 -xc99'
4098         _ldflags='-std=c99'
4099         _cflags_speed='-O5'
4100         _cflags_size='-O5 -xspace'
4101         _flags_filter=suncc_flags
4102     elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then