d0c00564ec07950e4f5bd6faeeacbb753ab7d26e
[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:$PATH
58
59 show_help(){
60     cat <<EOF
61 Usage: configure [options]
62 Options: [defaults in brackets after descriptions]
63
64 Help options:
65   --help                   print this message
66   --list-decoders          show all available decoders
67   --list-encoders          show all available encoders
68   --list-hwaccels          show all available hardware accelerators
69   --list-demuxers          show all available demuxers
70   --list-muxers            show all available muxers
71   --list-parsers           show all available parsers
72   --list-protocols         show all available protocols
73   --list-bsfs              show all available bitstream filters
74   --list-indevs            show all available input devices
75   --list-outdevs           show all available output devices
76   --list-filters           show all available filters
77
78 Standard options:
79   --logfile=FILE           log tests and output to FILE [config.log]
80   --disable-logging        do not log configure debug information
81   --fatal-warnings         fail if any configure warning is generated
82   --prefix=PREFIX          install in PREFIX [$prefix]
83   --bindir=DIR             install binaries in DIR [PREFIX/bin]
84   --datadir=DIR            install data files in DIR [PREFIX/share/ffmpeg]
85   --docdir=DIR             install documentation in DIR [PREFIX/share/doc/ffmpeg]
86   --libdir=DIR             install libs in DIR [PREFIX/lib]
87   --shlibdir=DIR           install shared libs in DIR [LIBDIR]
88   --incdir=DIR             install includes in DIR [PREFIX/include]
89   --mandir=DIR             install man page in DIR [PREFIX/share/man]
90   --pkgconfigdir=DIR       install pkg-config files in DIR [LIBDIR/pkgconfig]
91   --enable-rpath           use rpath to allow installing libraries in paths
92                            not part of the dynamic linker search path
93                            use rpath when linking programs [USE WITH CARE]
94   --install-name-dir=DIR   Darwin directory name for installed targets
95
96 Licensing options:
97   --enable-gpl             allow use of GPL code, the resulting libs
98                            and binaries will be under GPL [no]
99   --enable-version3        upgrade (L)GPL to version 3 [no]
100   --enable-nonfree         allow use of nonfree code, the resulting libs
101                            and binaries will be unredistributable [no]
102
103 Configuration options:
104   --disable-static         do not build static libraries [no]
105   --enable-shared          build shared libraries [no]
106   --enable-small           optimize for size instead of speed
107   --disable-runtime-cpudetect disable detecting cpu capabilities at runtime (smaller binary)
108   --enable-gray            enable full grayscale support (slower color)
109   --disable-swscale-alpha  disable alpha channel support in swscale
110   --disable-all            disable building components, libraries and programs
111   --enable-raise-major     increase major version numbers in sonames [no]
112
113 Program options:
114   --disable-programs       do not build command line programs
115   --disable-ffmpeg         disable ffmpeg build
116   --disable-ffplay         disable ffplay build
117   --disable-ffprobe        disable ffprobe build
118   --disable-ffserver       disable ffserver build
119
120 Documentation options:
121   --disable-doc            do not build documentation
122   --disable-htmlpages      do not build HTML documentation pages
123   --disable-manpages       do not build man documentation pages
124   --disable-podpages       do not build POD documentation pages
125   --disable-txtpages       do not build text documentation pages
126
127 Component options:
128   --disable-avdevice       disable libavdevice build
129   --disable-avcodec        disable libavcodec build
130   --disable-avformat       disable libavformat build
131   --disable-swresample     disable libswresample build
132   --disable-swscale        disable libswscale build
133   --disable-postproc       disable libpostproc build
134   --disable-avfilter       disable libavfilter build
135   --enable-avresample      enable libavresample build [no]
136   --disable-pthreads       disable pthreads [autodetect]
137   --disable-w32threads     disable Win32 threads [autodetect]
138   --disable-os2threads     disable OS/2 threads [autodetect]
139   --disable-network        disable network support [no]
140   --disable-dct            disable DCT code
141   --disable-dwt            disable DWT code
142   --disable-error-resilience disable error resilience code
143   --disable-lsp            disable LSP code
144   --disable-lzo            disable LZO decoder code
145   --disable-mdct           disable MDCT code
146   --disable-rdft           disable RDFT code
147   --disable-fft            disable FFT code
148   --disable-faan           disable floating point AAN (I)DCT code
149   --disable-pixelutils     disable pixel utils in libavutil
150
151 Individual component options:
152   --disable-everything     disable all components listed below
153   --disable-encoder=NAME   disable encoder NAME
154   --enable-encoder=NAME    enable encoder NAME
155   --disable-encoders       disable all encoders
156   --disable-decoder=NAME   disable decoder NAME
157   --enable-decoder=NAME    enable decoder NAME
158   --disable-decoders       disable all decoders
159   --disable-hwaccel=NAME   disable hwaccel NAME
160   --enable-hwaccel=NAME    enable hwaccel NAME
161   --disable-hwaccels       disable all hwaccels
162   --disable-muxer=NAME     disable muxer NAME
163   --enable-muxer=NAME      enable muxer NAME
164   --disable-muxers         disable all muxers
165   --disable-demuxer=NAME   disable demuxer NAME
166   --enable-demuxer=NAME    enable demuxer NAME
167   --disable-demuxers       disable all demuxers
168   --enable-parser=NAME     enable parser NAME
169   --disable-parser=NAME    disable parser NAME
170   --disable-parsers        disable all parsers
171   --enable-bsf=NAME        enable bitstream filter NAME
172   --disable-bsf=NAME       disable bitstream filter NAME
173   --disable-bsfs           disable all bitstream filters
174   --enable-protocol=NAME   enable protocol NAME
175   --disable-protocol=NAME  disable protocol NAME
176   --disable-protocols      disable all protocols
177   --enable-indev=NAME      enable input device NAME
178   --disable-indev=NAME     disable input device NAME
179   --disable-indevs         disable input devices
180   --enable-outdev=NAME     enable output device NAME
181   --disable-outdev=NAME    disable output device NAME
182   --disable-outdevs        disable output devices
183   --disable-devices        disable all devices
184   --enable-filter=NAME     enable filter NAME
185   --disable-filter=NAME    disable filter NAME
186   --disable-filters        disable all filters
187
188 External library support:
189
190   Using any of the following switches will allow FFmpeg to link to the
191   corresponding external library. All the components depending on that library
192   will become enabled, if all their other dependencies are met and they are not
193   explicitly disabled. E.g. --enable-libwavpack will enable linking to
194   libwavpack and allow the libwavpack encoder to be built, unless it is
195   specifically disabled with --disable-encoder=libwavpack.
196
197   Note that only the system libraries are auto-detected. All the other external
198   libraries must be explicitly enabled.
199
200   Also note that the following help text describes the purpose of the libraries
201   themselves, not all their features will necessarily be usable by FFmpeg.
202
203   --enable-avisynth        enable reading of AviSynth script files [no]
204   --disable-bzlib          disable bzlib [autodetect]
205   --enable-chromaprint     enable audio fingerprinting with chromaprint [no]
206   --enable-frei0r          enable frei0r video filtering [no]
207   --enable-gcrypt          enable gcrypt, needed for rtmp(t)e support
208                            if openssl, librtmp or gmp is not used [no]
209   --enable-gmp             enable gmp, needed for rtmp(t)e support
210                            if openssl or librtmp is not used [no]
211   --enable-gnutls          enable gnutls, needed for https support
212                            if openssl is not used [no]
213   --disable-iconv          disable iconv [autodetect]
214   --enable-jni             enable JNI support [no]
215   --enable-ladspa          enable LADSPA audio filtering [no]
216   --enable-libass          enable libass subtitles rendering,
217                            needed for subtitles and ass filter [no]
218   --enable-libbluray       enable BluRay reading using libbluray [no]
219   --enable-libbs2b         enable bs2b DSP library [no]
220   --enable-libcaca         enable textual display using libcaca [no]
221   --enable-libcelt         enable CELT decoding via libcelt [no]
222   --enable-libcdio         enable audio CD grabbing with libcdio [no]
223   --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394
224                            and libraw1394 [no]
225   --enable-libfdk-aac      enable AAC de/encoding via libfdk-aac [no]
226   --enable-libflite        enable flite (voice synthesis) support via libflite [no]
227   --enable-libfontconfig   enable libfontconfig, useful for drawtext filter [no]
228   --enable-libfreetype     enable libfreetype, needed for drawtext filter [no]
229   --enable-libfribidi      enable libfribidi, improves drawtext filter [no]
230   --enable-libgme          enable Game Music Emu via libgme [no]
231   --enable-libgsm          enable GSM de/encoding via libgsm [no]
232   --enable-libiec61883     enable iec61883 via libiec61883 [no]
233   --enable-libilbc         enable iLBC de/encoding via libilbc [no]
234   --enable-libkvazaar      enable HEVC encoding via libkvazaar [no]
235   --enable-libmodplug      enable ModPlug via libmodplug [no]
236   --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]
237   --enable-libnut          enable NUT (de)muxing via libnut,
238                            native (de)muxer exists [no]
239   --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
240   --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
241   --enable-libopencv       enable video filtering via libopencv [no]
242   --enable-libopenh264     enable H.264 encoding via OpenH264 [no]
243   --enable-libopenjpeg     enable JPEG 2000 de/encoding via OpenJPEG [no]
244   --enable-libopenmpt      enable decoding tracked files via libopenmpt [no]
245   --enable-libopus         enable Opus de/encoding via libopus [no]
246   --enable-libpulse        enable Pulseaudio input via libpulse [no]
247   --enable-librubberband   enable rubberband needed for rubberband filter [no]
248   --enable-librtmp         enable RTMP[E] support via librtmp [no]
249   --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
250   --enable-libshine        enable fixed-point MP3 encoding via libshine [no]
251   --enable-libsmbclient    enable Samba protocol via libsmbclient [no]
252   --enable-libsnappy       enable Snappy compression, needed for hap encoding [no]
253   --enable-libsoxr         enable Include libsoxr resampling [no]
254   --enable-libspeex        enable Speex de/encoding via libspeex [no]
255   --enable-libssh          enable SFTP protocol via libssh [no]
256   --enable-libtesseract    enable Tesseract, needed for ocr filter [no]
257   --enable-libtheora       enable Theora encoding via libtheora [no]
258   --enable-libtwolame      enable MP2 encoding via libtwolame [no]
259   --enable-libv4l2         enable libv4l2/v4l-utils [no]
260   --enable-libvidstab      enable video stabilization using vid.stab [no]
261   --enable-libvo-amrwbenc  enable AMR-WB encoding via libvo-amrwbenc [no]
262   --enable-libvorbis       enable Vorbis en/decoding via libvorbis,
263                            native implementation exists [no]
264   --enable-libvpx          enable VP8 and VP9 de/encoding via libvpx [no]
265   --enable-libwavpack      enable wavpack encoding via libwavpack [no]
266   --enable-libwebp         enable WebP encoding via libwebp [no]
267   --enable-libx264         enable H.264 encoding via x264 [no]
268   --enable-libx265         enable HEVC encoding via x265 [no]
269   --enable-libxavs         enable AVS encoding via xavs [no]
270   --enable-libxcb          enable X11 grabbing using XCB [autodetect]
271   --enable-libxcb-shm      enable X11 grabbing shm communication [autodetect]
272   --enable-libxcb-xfixes   enable X11 grabbing mouse rendering [autodetect]
273   --enable-libxcb-shape    enable X11 grabbing shape rendering [autodetect]
274   --enable-libxvid         enable Xvid encoding via xvidcore,
275                            native MPEG-4/Xvid encoder exists [no]
276   --enable-libzimg         enable z.lib, needed for zscale filter [no]
277   --enable-libzmq          enable message passing via libzmq [no]
278   --enable-libzvbi         enable teletext support via libzvbi [no]
279   --disable-lzma           disable lzma [autodetect]
280   --enable-decklink        enable Blackmagic DeckLink I/O support [no]
281   --enable-mediacodec      enable Android MediaCodec support [no]
282   --enable-netcdf          enable NetCDF, needed for sofalizer filter [no]
283   --enable-openal          enable OpenAL 1.1 capture support [no]
284   --enable-opencl          enable OpenCL code
285   --enable-opengl          enable OpenGL rendering [no]
286   --enable-openssl         enable openssl, needed for https support
287                            if gnutls is not used [no]
288   --disable-schannel       disable SChannel SSP, needed for TLS support on
289                            Windows if openssl and gnutls are not used [autodetect]
290   --disable-sdl2           disable sdl2 [autodetect]
291   --disable-securetransport disable Secure Transport, needed for TLS support
292                            on OSX if openssl and gnutls are not used [autodetect]
293   --enable-x11grab         enable X11 grabbing (legacy) [no]
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   --disable-cuvid          disable Nvidia CUVID support [autodetect]
301   --disable-d3d11va        disable Microsoft Direct3D 11 video acceleration code [autodetect]
302   --disable-dxva2          disable Microsoft DirectX 9 video acceleration code [autodetect]
303   --enable-libmfx          enable Intel MediaSDK (AKA Quick Sync Video) code via libmfx [no]
304   --enable-libnpp          enable Nvidia Performance Primitives-based code [no]
305   --enable-mmal            enable Broadcom Multi-Media Abstraction Layer (Raspberry Pi) via MMAL [no]
306   --disable-nvenc          disable Nvidia video encoding code [autodetect]
307   --enable-omx             enable OpenMAX IL code [no]
308   --enable-omx-rpi         enable OpenMAX IL code for Raspberry Pi [no]
309   --disable-vaapi          disable Video Acceleration API (mainly Unix/Intel) code [autodetect]
310   --disable-vda            disable Apple Video Decode Acceleration code [autodetect]
311   --disable-vdpau          disable Nvidia Video Decode and Presentation API for Unix code [autodetect]
312   --disable-videotoolbox   disable VideoToolbox code [autodetect]
313
314 Toolchain options:
315   --arch=ARCH              select architecture [$arch]
316   --cpu=CPU                select the minimum required CPU (affects
317                            instruction selection, may crash on older CPUs)
318   --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]
319   --progs-suffix=SUFFIX    program name suffix []
320   --enable-cross-compile   assume a cross-compiler is used
321   --sysroot=PATH           root of cross-build tree
322   --sysinclude=PATH        location of cross-build system headers
323   --target-os=OS           compiler targets OS [$target_os]
324   --target-exec=CMD        command to run executables on target
325   --target-path=DIR        path to view of build directory on target
326   --target-samples=DIR     path to samples directory on target
327   --tempprefix=PATH        force fixed dir/prefix instead of mktemp for checks
328   --toolchain=NAME         set tool defaults according to NAME
329   --nm=NM                  use nm tool NM [$nm_default]
330   --ar=AR                  use archive tool AR [$ar_default]
331   --as=AS                  use assembler AS [$as_default]
332   --ln_s=LN_S              use symbolic link tool LN_S [$ln_s_default]
333   --strip=STRIP            use strip tool STRIP [$strip_default]
334   --windres=WINDRES        use windows resource compiler WINDRES [$windres_default]
335   --yasmexe=EXE            use yasm-compatible assembler EXE [$yasmexe_default]
336   --cc=CC                  use C compiler CC [$cc_default]
337   --cxx=CXX                use C compiler CXX [$cxx_default]
338   --objcc=OCC              use ObjC compiler OCC [$cc_default]
339   --dep-cc=DEPCC           use dependency generator DEPCC [$cc_default]
340   --ld=LD                  use linker LD [$ld_default]
341   --pkg-config=PKGCONFIG   use pkg-config tool PKGCONFIG [$pkg_config_default]
342   --pkg-config-flags=FLAGS pass additional flags to pkgconf []
343   --ranlib=RANLIB          use ranlib RANLIB [$ranlib_default]
344   --doxygen=DOXYGEN        use DOXYGEN to generate API doc [$doxygen_default]
345   --host-cc=HOSTCC         use host C compiler HOSTCC
346   --host-cflags=HCFLAGS    use HCFLAGS when compiling for host
347   --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
348   --host-ld=HOSTLD         use host linker HOSTLD
349   --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host
350   --host-libs=HLIBS        use libs HLIBS when linking for host
351   --host-os=OS             compiler host OS [$target_os]
352   --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]
353   --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
354   --extra-objcflags=FLAGS  add FLAGS to OBJCFLAGS [$CFLAGS]
355   --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
356   --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
357   --extra-ldlibflags=ELDFLAGS add ELDFLAGS to LDLIBFLAGS [$LDLIBFLAGS]
358   --extra-libs=ELIBS       add ELIBS [$ELIBS]
359   --extra-version=STRING   version string suffix []
360   --optflags=OPTFLAGS      override optimization-related compiler flags
361   --build-suffix=SUFFIX    library name suffix []
362   --enable-pic             build position-independent code
363   --enable-thumb           compile for Thumb instruction set
364   --enable-lto             use link-time optimization
365   --env="ENV=override"     override the environment variables
366
367 Advanced options (experts only):
368   --malloc-prefix=PREFIX   prefix malloc and related names with PREFIX
369   --custom-allocator=NAME  use a supported custom allocator
370   --disable-symver         disable symbol versioning
371   --enable-hardcoded-tables use hardcoded tables instead of runtime generation
372   --disable-safe-bitstream-reader
373                            disable buffer boundary checking in bitreaders
374                            (faster, but may crash)
375   --enable-memalign-hack   emulate memalign, interferes with memory debuggers
376   --sws-max-filter-size=N  the max filter size swscale uses [$sws_max_filter_size_default]
377
378 Optimization options (experts only):
379   --disable-asm            disable all assembly optimizations
380   --disable-altivec        disable AltiVec optimizations
381   --disable-vsx            disable VSX optimizations
382   --disable-power8         disable POWER8 optimizations
383   --disable-amd3dnow       disable 3DNow! optimizations
384   --disable-amd3dnowext    disable 3DNow! extended optimizations
385   --disable-mmx            disable MMX optimizations
386   --disable-mmxext         disable MMXEXT optimizations
387   --disable-sse            disable SSE optimizations
388   --disable-sse2           disable SSE2 optimizations
389   --disable-sse3           disable SSE3 optimizations
390   --disable-ssse3          disable SSSE3 optimizations
391   --disable-sse4           disable SSE4 optimizations
392   --disable-sse42          disable SSE4.2 optimizations
393   --disable-avx            disable AVX optimizations
394   --disable-xop            disable XOP optimizations
395   --disable-fma3           disable FMA3 optimizations
396   --disable-fma4           disable FMA4 optimizations
397   --disable-avx2           disable AVX2 optimizations
398   --disable-aesni          disable AESNI optimizations
399   --disable-armv5te        disable armv5te optimizations
400   --disable-armv6          disable armv6 optimizations
401   --disable-armv6t2        disable armv6t2 optimizations
402   --disable-vfp            disable VFP optimizations
403   --disable-neon           disable NEON optimizations
404   --disable-inline-asm     disable use of inline assembly
405   --disable-yasm           disable use of nasm/yasm assembly
406   --disable-mipsdsp        disable MIPS DSP ASE R1 optimizations
407   --disable-mipsdspr2      disable MIPS DSP ASE R2 optimizations
408   --disable-msa            disable MSA optimizations
409   --disable-mipsfpu        disable floating point MIPS optimizations
410   --disable-mmi            disable Loongson SIMD optimizations
411   --disable-fast-unaligned consider unaligned accesses slow
412
413 Developer options (useful when working on FFmpeg itself):
414   --disable-debug          disable debugging symbols
415   --enable-debug=LEVEL     set the debug level [$debuglevel]
416   --disable-optimizations  disable compiler optimizations
417   --enable-extra-warnings  enable more compiler warnings
418   --disable-stripping      disable stripping of executables and shared libraries
419   --assert-level=level     0(default), 1 or 2, amount of assertion testing,
420                            2 causes a slowdown at runtime.
421   --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
422   --valgrind=VALGRIND      run "make fate" tests through valgrind to detect memory
423                            leaks and errors, using the specified valgrind binary.
424                            Cannot be combined with --target-exec
425   --enable-ftrapv          Trap arithmetic overflows
426   --samples=PATH           location of test samples for FATE, if not set use
427                            \$FATE_SAMPLES at make invocation time.
428   --enable-neon-clobber-test check NEON registers for clobbering (should be
429                            used only for debugging purposes)
430   --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
431                            should be used only for debugging purposes)
432   --enable-random          randomly enable/disable components
433   --disable-random
434   --enable-random=LIST     randomly enable/disable specific components or
435   --disable-random=LIST    component groups. LIST is a comma-separated list
436                            of NAME[:PROB] entries where NAME is a component
437                            (group) and PROB the probability associated with
438                            NAME (default 0.5).
439   --random-seed=VALUE      seed value for --enable/disable-random
440   --disable-valgrind-backtrace do not print a backtrace under Valgrind
441                            (only applies to --disable-optimizations builds)
442
443 NOTE: Object files are built at the place where configure is launched.
444 EOF
445   exit 0
446 }
447
448 quotes='""'
449 if test -t 1 && which tput >/dev/null 2>&1; then
450     ncolors=$(tput colors)
451     if test -n "$ncolors" && test $ncolors -ge 8; then
452         bold_color=$(tput bold)
453         warn_color=$(tput setaf 3)
454         error_color=$(tput setaf 1)
455         reset_color=$(tput sgr0)
456     fi
457     # 72 used instead of 80 since that's the default of pr
458     ncols=$(tput cols)
459 fi
460 : ${ncols:=72}
461
462 log(){
463     echo "$@" >> $logfile
464 }
465
466 log_file(){
467     log BEGIN $1
468     pr -n -t $1 >> $logfile
469     log END $1
470 }
471
472 warn(){
473     log "WARNING: $*"
474     WARNINGS="${WARNINGS}WARNING: $*\n"
475 }
476
477 die(){
478     log "$@"
479     echo "$error_color$bold_color$@$reset_color"
480     cat <<EOF
481
482 If you think configure made a mistake, make sure you are using the latest
483 version from Git.  If the latest version fails, report the problem to the
484 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
485 EOF
486     if disabled logging; then
487         cat <<EOF
488 Rerun configure with logging enabled (do not use --disable-logging), and
489 include the log this produces with your report.
490 EOF
491     else
492         cat <<EOF
493 Include the log file "$logfile" produced by configure as this will help
494 solve the problem.
495 EOF
496     fi
497     exit 1
498 }
499
500 # Avoid locale weirdness, besides we really just want to translate ASCII.
501 toupper(){
502     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
503 }
504
505 tolower(){
506     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
507 }
508
509 c_escape(){
510     echo "$*" | sed 's/["\\]/\\\0/g'
511 }
512
513 sh_quote(){
514     v=$(echo "$1" | sed "s/'/'\\\\''/g")
515     test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
516     echo "$v"
517 }
518
519 cleanws(){
520     echo "$@" | sed 's/^ *//;s/[[:space:]][[:space:]]*/ /g;s/ *$//'
521 }
522
523 filter(){
524     pat=$1
525     shift
526     for v; do
527         eval "case $v in $pat) echo $v ;; esac"
528     done
529 }
530
531 filter_out(){
532     pat=$1
533     shift
534     for v; do
535         eval "case $v in $pat) ;; *) echo $v ;; esac"
536     done
537 }
538
539 map(){
540     m=$1
541     shift
542     for v; do eval $m; done
543 }
544
545 add_suffix(){
546     suffix=$1
547     shift
548     for v; do echo ${v}${suffix}; done
549 }
550
551 set_all(){
552     value=$1
553     shift
554     for var in $*; do
555         eval $var=$value
556     done
557 }
558
559 set_weak(){
560     value=$1
561     shift
562     for var; do
563         eval : \${$var:=$value}
564     done
565 }
566
567 sanitize_var_name(){
568     echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
569 }
570
571 set_safe(){
572     var=$1
573     shift
574     eval $(sanitize_var_name "$var")='$*'
575 }
576
577 get_safe(){
578     eval echo \$$(sanitize_var_name "$1")
579 }
580
581 pushvar(){
582     for pvar in $*; do
583         eval level=\${${pvar}_level:=0}
584         eval ${pvar}_${level}="\$$pvar"
585         eval ${pvar}_level=$(($level+1))
586     done
587 }
588
589 popvar(){
590     for pvar in $*; do
591         eval level=\${${pvar}_level:-0}
592         test $level = 0 && continue
593         eval level=$(($level-1))
594         eval $pvar="\${${pvar}_${level}}"
595         eval ${pvar}_level=$level
596         eval unset ${pvar}_${level}
597     done
598 }
599
600 enable(){
601     set_all yes $*
602 }
603
604 disable(){
605     set_all no $*
606 }
607
608 enable_weak(){
609     set_weak yes $*
610 }
611
612 disable_weak(){
613     set_weak no $*
614 }
615
616 enable_safe(){
617     for var; do
618         enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
619     done
620 }
621
622 disable_safe(){
623     for var; do
624         disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
625     done
626 }
627
628 do_enable_deep(){
629     for var; do
630         enabled $var && continue
631         eval sel="\$${var}_select"
632         eval sgs="\$${var}_suggest"
633         pushvar var sgs
634         enable_deep $sel
635         popvar sgs
636         enable_deep_weak $sgs
637         popvar var
638     done
639 }
640
641 enable_deep(){
642     do_enable_deep $*
643     enable $*
644 }
645
646 enable_deep_weak(){
647     for var; do
648         disabled $var && continue
649         pushvar var
650         do_enable_deep $var
651         popvar var
652         enable_weak $var
653     done
654 }
655
656 enabled(){
657     test "${1#!}" = "$1" && op='=' || op=!=
658     eval test "x\$${1#!}" $op "xyes"
659 }
660
661 disabled(){
662     test "${1#!}" = "$1" && op='=' || op=!=
663     eval test "x\$${1#!}" $op "xno"
664 }
665
666 enabled_all(){
667     for opt; do
668         enabled $opt || return 1
669     done
670 }
671
672 disabled_all(){
673     for opt; do
674         disabled $opt || return 1
675     done
676 }
677
678 enabled_any(){
679     for opt; do
680         enabled $opt && return 0
681     done
682 }
683
684 disabled_any(){
685     for opt; do
686         disabled $opt && return 0
687     done
688     return 1
689 }
690
691 set_default(){
692     for opt; do
693         eval : \${$opt:=\$${opt}_default}
694     done
695 }
696
697 is_in(){
698     value=$1
699     shift
700     for var in $*; do
701         [ $var = $value ] && return 0
702     done
703     return 1
704 }
705
706 do_check_deps(){
707     for cfg; do
708         cfg="${cfg#!}"
709         enabled ${cfg}_checking && die "Circular dependency for $cfg."
710         disabled ${cfg}_checking && continue
711         enable ${cfg}_checking
712         append allopts $cfg
713
714         eval dep_all="\$${cfg}_deps"
715         eval dep_any="\$${cfg}_deps_any"
716         eval dep_sel="\$${cfg}_select"
717         eval dep_sgs="\$${cfg}_suggest"
718         eval dep_ifa="\$${cfg}_if"
719         eval dep_ifn="\$${cfg}_if_any"
720
721         pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
722         do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
723         popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
724
725         [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
726         [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
727         enabled_all  $dep_all || disable $cfg
728         enabled_any  $dep_any || disable $cfg
729         disabled_any $dep_sel && disable $cfg
730
731         if enabled $cfg; then
732             enable_deep $dep_sel
733             enable_deep_weak $dep_sgs
734         fi
735
736         disable ${cfg}_checking
737     done
738 }
739
740 check_deps(){
741     unset allopts
742
743     do_check_deps "$@"
744
745     for cfg in $allopts; do
746         enabled $cfg || continue
747         eval dep_extralibs="\$${cfg}_extralibs"
748         test -n "$dep_extralibs" && add_extralibs $dep_extralibs
749     done
750 }
751
752 print_config(){
753     pfx=$1
754     files=$2
755     shift 2
756     map 'eval echo "$v \${$v:-no}"' "$@" |
757     awk "BEGIN { split(\"$files\", files) }
758         {
759             c = \"$pfx\" toupper(\$1);
760             v = \$2;
761             sub(/yes/, 1, v);
762             sub(/no/,  0, v);
763             for (f in files) {
764                 file = files[f];
765                 if (file ~ /\\.h\$/) {
766                     printf(\"#define %s %d\\n\", c, v) >>file;
767                 } else if (file ~ /\\.asm\$/) {
768                     printf(\"%%define %s %d\\n\", c, v) >>file;
769                 } else if (file ~ /\\.mak\$/) {
770                     n = -v ? \"\" : \"!\";
771                     printf(\"%s%s=yes\\n\", n, c) >>file;
772                 } else if (file ~ /\\.texi\$/) {
773                     pre = -v ? \"\" : \"@c \";
774                     yesno = \$2;
775                     c2 = tolower(c);
776                     gsub(/_/, \"-\", c2);
777                     printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
778                 }
779             }
780         }"
781 }
782
783 print_enabled(){
784     suf=$1
785     shift
786     for v; do
787         enabled $v && printf "%s\n" ${v%$suf}
788     done
789 }
790
791 append(){
792     var=$1
793     shift
794     eval "$var=\"\$$var $*\""
795 }
796
797 prepend(){
798     var=$1
799     shift
800     eval "$var=\"$* \$$var\""
801 }
802
803 unique(){
804     var=$1
805     uniq_list=""
806     for tok in $(eval echo \$$var); do
807         uniq_list="$(filter_out $tok $uniq_list) $tok"
808     done
809     eval "$var=\"${uniq_list}\""
810 }
811
812 add_cppflags(){
813     append CPPFLAGS "$@"
814 }
815
816 add_cflags(){
817     append CFLAGS $($cflags_filter "$@")
818 }
819
820 add_cxxflags(){
821     append CXXFLAGS $($cflags_filter "$@")
822 }
823
824 add_asflags(){
825     append ASFLAGS $($asflags_filter "$@")
826 }
827
828 add_objcflags(){
829     append OBJCFLAGS $($objcflags_filter "$@")
830 }
831
832 add_ldflags(){
833     append LDFLAGS $($ldflags_filter "$@")
834 }
835
836 add_ldexeflags(){
837     append LDEXEFLAGS $($ldflags_filter "$@")
838 }
839
840 add_ldlibflags(){
841     append LDLIBFLAGS $($ldflags_filter "$@")
842 }
843
844 add_stripflags(){
845     append ASMSTRIPFLAGS "$@"
846 }
847
848 add_extralibs(){
849     prepend extralibs $($ldflags_filter "$@")
850 }
851
852 add_host_cppflags(){
853     append host_cppflags "$@"
854 }
855
856 add_host_cflags(){
857     append host_cflags $($host_cflags_filter "$@")
858 }
859
860 add_host_ldflags(){
861     append host_ldflags $($host_ldflags_filter "$@")
862 }
863
864 add_compat(){
865     append compat_objs $1
866     shift
867     map 'add_cppflags -D$v' "$@"
868 }
869
870 check_cmd(){
871     log "$@"
872     "$@" >> $logfile 2>&1
873 }
874
875 check_stat(){
876     log check_stat "$@"
877     stat "$1" >> $logfile 2>&1
878 }
879
880 cc_o(){
881     eval printf '%s\\n' $CC_O
882 }
883
884 cc_e(){
885     eval printf '%s\\n' $CC_E
886 }
887
888 check_cc(){
889     log check_cc "$@"
890     cat > $TMPC
891     log_file $TMPC
892     check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
893 }
894
895 check_cxx(){
896     log check_cxx "$@"
897     cat > $TMPCPP
898     log_file $TMPCPP
899     check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
900 }
901
902 check_objcc(){
903     log check_objcc "$@"
904     cat > $TMPM
905     log_file $TMPM
906     check_cmd $objcc -Werror=missing-prototypes $CPPFLAGS $CFLAGS $OBJCFLAGS "$@" $OBJCC_C $(cc_o $TMPO) $TMPM
907 }
908
909 check_cpp(){
910     log check_cpp "$@"
911     cat > $TMPC
912     log_file $TMPC
913     check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
914 }
915
916 as_o(){
917     eval printf '%s\\n' $AS_O
918 }
919
920 check_as(){
921     log check_as "$@"
922     cat > $TMPS
923     log_file $TMPS
924     check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
925 }
926
927 check_inline_asm(){
928     log check_inline_asm "$@"
929     name="$1"
930     code="$2"
931     shift 2
932     disable $name
933     check_cc "$@" <<EOF && enable $name
934 void foo(void){ __asm__ volatile($code); }
935 EOF
936 }
937
938 check_inline_asm_flags(){
939     log check_inline_asm_flags "$@"
940     name="$1"
941     code="$2"
942     flags=''
943     shift 2
944     while [ "$1" != "" ]; do
945       append flags $1
946       shift
947     done;
948     disable $name
949     cat > $TMPC <<EOF
950 void foo(void){ __asm__ volatile($code); }
951 EOF
952     log_file $TMPC
953     check_cmd $cc $CPPFLAGS $CFLAGS $flags "$@" $CC_C $(cc_o $TMPO) $TMPC &&
954     enable $name && add_cflags $flags && add_asflags $flags && add_ldflags $flags
955 }
956
957 check_insn(){
958     log check_insn "$@"
959     check_inline_asm ${1}_inline "\"$2\""
960     echo "$2" | check_as && enable ${1}_external || disable ${1}_external
961 }
962
963 check_yasm(){
964     log check_yasm "$@"
965     echo "$1" > $TMPS
966     log_file $TMPS
967     shift 1
968     check_cmd $yasmexe $YASMFLAGS -Werror "$@" -o $TMPO $TMPS
969 }
970
971 ld_o(){
972     eval printf '%s\\n' $LD_O
973 }
974
975 check_ld(){
976     log check_ld "$@"
977     type=$1
978     shift 1
979     flags=$(filter_out '-l*|*.so' $@)
980     libs=$(filter '-l*|*.so' $@)
981     check_$type $($cflags_filter $flags) || return
982     flags=$($ldflags_filter $flags)
983     libs=$($ldflags_filter $libs)
984     check_cmd $ld $LDFLAGS $LDEXEFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
985 }
986
987 print_include(){
988     hdr=$1
989     test "${hdr%.h}" = "${hdr}" &&
990         echo "#include $hdr"    ||
991         echo "#include <$hdr>"
992 }
993
994 check_code(){
995     log check_code "$@"
996     check=$1
997     headers=$2
998     code=$3
999     shift 3
1000     {
1001         for hdr in $headers; do
1002             print_include $hdr
1003         done
1004         echo "int main(void) { $code; return 0; }"
1005     } | check_$check "$@"
1006 }
1007
1008 check_cppflags(){
1009     log check_cppflags "$@"
1010     check_cc "$@" <<EOF && append CPPFLAGS "$@"
1011 int x;
1012 EOF
1013 }
1014
1015 test_cflags(){
1016     log test_cflags "$@"
1017     set -- $($cflags_filter "$@")
1018     check_cc "$@" <<EOF
1019 int x;
1020 EOF
1021 }
1022
1023 check_cflags(){
1024     log check_cflags "$@"
1025     test_cflags "$@" && add_cflags "$@"
1026 }
1027
1028 check_cxxflags(){
1029     log check_cxxflags "$@"
1030     set -- $($cflags_filter "$@")
1031     check_cxx "$@" <<EOF && append CXXFLAGS "$@"
1032 int x;
1033 EOF
1034 }
1035
1036 test_objcflags(){
1037     log test_cflags "$@"
1038     set -- $($cflags_filter "$@")
1039     check_objcc "$@" <<EOF
1040 int x;
1041 EOF
1042 }
1043
1044 check_objcflags(){
1045     log check_cflags "$@"
1046     test_objcflags "$@" && add_objcflags "$@"
1047 }
1048
1049 test_ldflags(){
1050     log test_ldflags "$@"
1051     check_ld "cc" "$@" <<EOF
1052 int main(void){ return 0; }
1053 EOF
1054 }
1055
1056 check_ldflags(){
1057     log check_ldflags "$@"
1058     test_ldflags "$@" && add_ldflags "$@"
1059 }
1060
1061 test_stripflags(){
1062     log test_stripflags "$@"
1063     # call check_cc to get a fresh TMPO
1064     check_cc <<EOF
1065 int main(void) { return 0; }
1066 EOF
1067     check_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO
1068 }
1069
1070 check_stripflags(){
1071     log check_stripflags "$@"
1072     test_stripflags "$@" && add_stripflags "$@"
1073 }
1074
1075 check_header(){
1076     log check_header "$@"
1077     header=$1
1078     shift
1079     disable_safe $header
1080     check_cpp "$@" <<EOF && enable_safe $header
1081 #include <$header>
1082 int x;
1083 EOF
1084 }
1085
1086 check_header_objcc(){
1087     log check_header_objcc "$@"
1088     rm -f -- "$TMPO"
1089     header=$1
1090     shift
1091     disable_safe $header
1092     {
1093        echo "#include <$header>"
1094        echo "int main(void) { return 0; }"
1095     } | check_objcc && check_stat "$TMPO" && enable_safe $headers
1096 }
1097
1098 check_func(){
1099     log check_func "$@"
1100     func=$1
1101     shift
1102     disable $func
1103     check_ld "cc" "$@" <<EOF && enable $func
1104 extern int $func();
1105 int main(void){ $func(); }
1106 EOF
1107 }
1108
1109 check_complexfunc(){
1110     log check_complexfunc "$@"
1111     func=$1
1112     narg=$2
1113     shift 2
1114     test $narg = 2 && args="f, g" || args="f * I"
1115     disable $func
1116     check_ld "cc" "$@" <<EOF && enable $func
1117 #include <complex.h>
1118 #include <math.h>
1119 float foo(complex float f, complex float g) { return $func($args); }
1120 int main(void){ return (int) foo; }
1121 EOF
1122 }
1123
1124 check_mathfunc(){
1125     log check_mathfunc "$@"
1126     func=$1
1127     narg=$2
1128     shift 2
1129     test $narg = 2 && args="f, g" || args="f"
1130     disable $func
1131     check_ld "cc" "$@" <<EOF && enable $func
1132 #include <math.h>
1133 float foo(float f, float g) { return $func($args); }
1134 int main(void){ return (int) foo; }
1135 EOF
1136 }
1137
1138 check_func_headers(){
1139     log check_func_headers "$@"
1140     headers=$1
1141     funcs=$2
1142     shift 2
1143     {
1144         for hdr in $headers; do
1145             print_include $hdr
1146         done
1147         echo "#include <stdint.h>"
1148         for func in $funcs; do
1149             echo "long check_$func(void) { return (long) $func; }"
1150         done
1151         echo "int main(void) { int ret = 0;"
1152         # LTO could optimize out the test functions without this
1153         for func in $funcs; do
1154             echo " ret |= ((intptr_t)check_$func) & 0xFFFF;"
1155         done
1156         echo "return ret; }"
1157     } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
1158 }
1159
1160 check_class_headers_cpp(){
1161     log check_class_headers_cpp "$@"
1162     headers=$1
1163     classes=$2
1164     shift 2
1165     {
1166         for hdr in $headers; do
1167             echo "#include <$hdr>"
1168         done
1169         echo "int main(void) { "
1170         i=1
1171         for class in $classes; do
1172             echo "$class obj$i;"
1173             i=$(expr $i + 1)
1174         done
1175         echo "return 0; }"
1176     } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
1177 }
1178
1179 check_cpp_condition(){
1180     log check_cpp_condition "$@"
1181     header=$1
1182     condition=$2
1183     shift 2
1184     check_cpp "$@" <<EOF
1185 #include <$header>
1186 #if !($condition)
1187 #error "unsatisfied condition: $condition"
1188 #endif
1189 EOF
1190 }
1191
1192 check_lib(){
1193     log check_lib "$@"
1194     header="$1"
1195     func="$2"
1196     shift 2
1197     check_header $header && check_func $func "$@" && add_extralibs "$@"
1198 }
1199
1200 check_lib2(){
1201     log check_lib2 "$@"
1202     headers="$1"
1203     funcs="$2"
1204     shift 2
1205     check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
1206 }
1207
1208 check_lib_cpp(){
1209     log check_lib_cpp "$@"
1210     headers="$1"
1211     classes="$2"
1212     shift 2
1213     check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
1214 }
1215
1216 check_pkg_config(){
1217     log check_pkg_config "$@"
1218     pkgandversion="$1"
1219     pkg="${1%% *}"
1220     headers="$2"
1221     funcs="$3"
1222     shift 3
1223     check_cmd $pkg_config --exists --print-errors $pkgandversion || return
1224     pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1225     pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1226     check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1227         set_safe "${pkg}_cflags" $pkg_cflags   &&
1228         set_safe "${pkg}_libs"   $pkg_libs
1229 }
1230
1231 check_exec(){
1232     check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1233 }
1234
1235 check_exec_crash(){
1236     code=$(cat)
1237
1238     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
1239     # are safe but may not be available everywhere.  Thus we use
1240     # raise(SIGTERM) instead.  The check is run in a subshell so we
1241     # can redirect the "Terminated" message from the shell.  SIGBUS
1242     # is not defined by standard C so it is used conditionally.
1243
1244     (check_exec "$@") >> $logfile 2>&1 <<EOF
1245 #include <signal.h>
1246 static void sighandler(int sig){
1247     raise(SIGTERM);
1248 }
1249 int foo(void){
1250     $code
1251 }
1252 int (*func_ptr)(void) = foo;
1253 int main(void){
1254     signal(SIGILL, sighandler);
1255     signal(SIGFPE, sighandler);
1256     signal(SIGSEGV, sighandler);
1257 #ifdef SIGBUS
1258     signal(SIGBUS, sighandler);
1259 #endif
1260     return func_ptr();
1261 }
1262 EOF
1263 }
1264
1265 check_type(){
1266     log check_type "$@"
1267     headers=$1
1268     type=$2
1269     shift 2
1270     disable_safe "$type"
1271     check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1272 }
1273
1274 check_struct(){
1275     log check_struct "$@"
1276     headers=$1
1277     struct=$2
1278     member=$3
1279     shift 3
1280     disable_safe "${struct}_${member}"
1281     check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1282         enable_safe "${struct}_${member}"
1283 }
1284
1285 check_builtin(){
1286     log check_builtin "$@"
1287     name=$1
1288     headers=$2
1289     builtin=$3
1290     shift 3
1291     disable "$name"
1292     check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1293 }
1294
1295 check_compile_assert(){
1296     log check_compile_assert "$@"
1297     name=$1
1298     headers=$2
1299     condition=$3
1300     shift 3
1301     disable "$name"
1302     check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1303 }
1304
1305 require(){
1306     name="$1"
1307     header="$2"
1308     func="$3"
1309     shift 3
1310     check_lib $header $func "$@" || die "ERROR: $name not found"
1311 }
1312
1313 require2(){
1314     name="$1"
1315     headers="$2"
1316     func="$3"
1317     shift 3
1318     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1319 }
1320
1321 require_cpp(){
1322     name="$1"
1323     headers="$2"
1324     classes="$3"
1325     shift 3
1326     check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1327 }
1328
1329 use_pkg_config(){
1330     pkg="$1"
1331     check_pkg_config "$@" || return 1
1332     add_cflags    $(get_safe "${pkg}_cflags")
1333     add_extralibs $(get_safe "${pkg}_libs")
1334 }
1335
1336 require_pkg_config(){
1337     use_pkg_config "$@" || die "ERROR: $pkg not found using pkg-config$pkg_config_fail_message"
1338 }
1339
1340 require_libfreetype(){
1341     log require_libfreetype "$@"
1342     pkg="freetype2"
1343     check_cmd $pkg_config --exists --print-errors $pkg \
1344       || die "ERROR: $pkg not found"
1345     pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1346     pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1347     {
1348         echo "#include <ft2build.h>"
1349         echo "#include FT_FREETYPE_H"
1350         echo "long check_func(void) { return (long) FT_Init_FreeType; }"
1351         echo "int main(void) { return 0; }"
1352     } | check_ld "cc" $pkg_cflags $pkg_libs \
1353       && set_safe "${pkg}_cflags" $pkg_cflags \
1354       && set_safe "${pkg}_libs"   $pkg_libs \
1355       || die "ERROR: $pkg not found"
1356     add_cflags    $(get_safe "${pkg}_cflags")
1357     add_extralibs $(get_safe "${pkg}_libs")
1358 }
1359
1360 hostcc_e(){
1361     eval printf '%s\\n' $HOSTCC_E
1362 }
1363
1364 hostcc_o(){
1365     eval printf '%s\\n' $HOSTCC_O
1366 }
1367
1368 check_host_cc(){
1369     log check_host_cc "$@"
1370     cat > $TMPC
1371     log_file $TMPC
1372     check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1373 }
1374
1375 check_host_cpp(){
1376     log check_host_cpp "$@"
1377     cat > $TMPC
1378     log_file $TMPC
1379     check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1380 }
1381
1382 check_host_cppflags(){
1383     log check_host_cppflags "$@"
1384     check_host_cc "$@" <<EOF && append host_cppflags "$@"
1385 int x;
1386 EOF
1387 }
1388
1389 check_host_cflags(){
1390     log check_host_cflags "$@"
1391     set -- $($host_cflags_filter "$@")
1392     check_host_cc "$@" <<EOF && append host_cflags "$@"
1393 int x;
1394 EOF
1395 }
1396
1397 check_host_cpp_condition(){
1398     log check_host_cpp_condition "$@"
1399     header=$1
1400     condition=$2
1401     shift 2
1402     check_host_cpp "$@" <<EOF
1403 #include <$header>
1404 #if !($condition)
1405 #error "unsatisfied condition: $condition"
1406 #endif
1407 EOF
1408 }
1409
1410 cp_if_changed(){
1411     cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1412     mkdir -p "$(dirname $2)"
1413     $cp_f "$1" "$2"
1414 }
1415
1416 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1417 # system-dependent things.
1418
1419 AVCODEC_COMPONENTS="
1420     bsfs
1421     decoders
1422     encoders
1423     hwaccels
1424     parsers
1425 "
1426
1427 AVDEVICE_COMPONENTS="
1428     indevs
1429     outdevs
1430 "
1431 AVFILTER_COMPONENTS="
1432     filters
1433 "
1434 AVFORMAT_COMPONENTS="
1435     demuxers
1436     muxers
1437     protocols
1438 "
1439
1440 AVRESAMPLE_COMPONENTS=""
1441 AVUTIL_COMPONENTS=""
1442
1443 COMPONENT_LIST="
1444     $AVCODEC_COMPONENTS
1445     $AVDEVICE_COMPONENTS
1446     $AVFILTER_COMPONENTS
1447     $AVFORMAT_COMPONENTS
1448     $AVRESAMPLE_COMPONENTS
1449     $AVUTIL_COMPONENTS
1450 "
1451
1452 EXAMPLE_LIST="
1453     avio_dir_cmd_example
1454     avio_reading_example
1455     decoding_encoding_example
1456     demuxing_decoding_example
1457     extract_mvs_example
1458     filter_audio_example
1459     filtering_audio_example
1460     filtering_video_example
1461     http_multiclient_example
1462     metadata_example
1463     muxing_example
1464     qsvdec_example
1465     remuxing_example
1466     resampling_audio_example
1467     scaling_video_example
1468     transcode_aac_example
1469     transcoding_example
1470 "
1471
1472 EXTERNAL_LIBRARY_LIST="
1473     avisynth
1474     bzlib
1475     chromaprint
1476     crystalhd
1477     decklink
1478     frei0r
1479     gcrypt
1480     gmp
1481     gnutls
1482     iconv
1483     jni
1484     ladspa
1485     libass
1486     libbluray
1487     libbs2b
1488     libcaca
1489     libcdio
1490     libcelt
1491     libdc1394
1492     libfdk_aac
1493     libflite
1494     libfontconfig
1495     libfreetype
1496     libfribidi
1497     libgme
1498     libgsm
1499     libiec61883
1500     libilbc
1501     libkvazaar
1502     libmodplug
1503     libmp3lame
1504     libnut
1505     libopencore_amrnb
1506     libopencore_amrwb
1507     libopencv
1508     libopenh264
1509     libopenjpeg
1510     libopenmpt
1511     libopus
1512     libpulse
1513     librtmp
1514     librubberband
1515     libschroedinger
1516     libshine
1517     libsmbclient
1518     libsnappy
1519     libsoxr
1520     libspeex
1521     libssh
1522     libtesseract
1523     libtheora
1524     libtwolame
1525     libv4l2
1526     libvidstab
1527     libvo_amrwbenc
1528     libvorbis
1529     libvpx
1530     libwavpack
1531     libwebp
1532     libx264
1533     libx265
1534     libxavs
1535     libxcb
1536     libxcb_shm
1537     libxcb_shape
1538     libxcb_xfixes
1539     libxvid
1540     libzimg
1541     libzmq
1542     libzvbi
1543     lzma
1544     mediacodec
1545     netcdf
1546     openal
1547     opencl
1548     opengl
1549     openssl
1550     schannel
1551     sdl
1552     sdl2
1553     securetransport
1554     videotoolbox
1555     x11grab
1556     xlib
1557     zlib
1558 "
1559
1560 HWACCEL_LIBRARY_LIST="
1561     audiotoolbox
1562     cuda
1563     cuvid
1564     d3d11va
1565     dxva2
1566     libmfx
1567     libnpp
1568     mmal
1569     nvenc
1570     omx
1571     vaapi
1572     vda
1573     vdpau
1574     videotoolbox_hwaccel
1575     xvmc
1576 "
1577
1578 DOCUMENT_LIST="
1579     doc
1580     htmlpages
1581     manpages
1582     podpages
1583     txtpages
1584 "
1585
1586 FEATURE_LIST="
1587     ftrapv
1588     gray
1589     hardcoded_tables
1590     omx_rpi
1591     runtime_cpudetect
1592     safe_bitstream_reader
1593     shared
1594     small
1595     static
1596     swscale_alpha
1597 "
1598
1599 LIBRARY_LIST="
1600     avcodec
1601     avdevice
1602     avfilter
1603     avformat
1604     avresample
1605     avutil
1606     postproc
1607     swresample
1608     swscale
1609 "
1610
1611 LICENSE_LIST="
1612     gpl
1613     nonfree
1614     version3
1615 "
1616
1617 PROGRAM_LIST="
1618     ffplay
1619     ffprobe
1620     ffserver
1621     ffmpeg
1622 "
1623
1624 SUBSYSTEM_LIST="
1625     dct
1626     dwt
1627     error_resilience
1628     faan
1629     fast_unaligned
1630     fft
1631     lsp
1632     lzo
1633     mdct
1634     pixelutils
1635     network
1636     rdft
1637 "
1638
1639 CONFIG_LIST="
1640     $COMPONENT_LIST
1641     $DOCUMENT_LIST
1642     $EXAMPLE_LIST
1643     $EXTERNAL_LIBRARY_LIST
1644     $HWACCEL_LIBRARY_LIST
1645     $FEATURE_LIST
1646     $LICENSE_LIST
1647     $LIBRARY_LIST
1648     $PROGRAM_LIST
1649     $SUBSYSTEM_LIST
1650     fontconfig
1651     memalign_hack
1652     memory_poisoning
1653     neon_clobber_test
1654     pic
1655     pod2man
1656     raise_major
1657     thumb
1658     valgrind_backtrace
1659     xmm_clobber_test
1660 "
1661
1662 THREADS_LIST="
1663     pthreads
1664     os2threads
1665     w32threads
1666 "
1667
1668 ATOMICS_LIST="
1669     atomics_gcc
1670     atomics_suncc
1671     atomics_win32
1672 "
1673
1674 ARCH_LIST="
1675     aarch64
1676     alpha
1677     arm
1678     avr32
1679     avr32_ap
1680     avr32_uc
1681     bfin
1682     ia64
1683     m68k
1684     mips
1685     mips64
1686     parisc
1687     ppc
1688     ppc64
1689     s390
1690     sh4
1691     sparc
1692     sparc64
1693     tilegx
1694     tilepro
1695     tomi
1696     x86
1697     x86_32
1698     x86_64
1699 "
1700
1701 ARCH_EXT_LIST_ARM="
1702     armv5te
1703     armv6
1704     armv6t2
1705     armv8
1706     neon
1707     vfp
1708     vfpv3
1709     setend
1710 "
1711
1712 ARCH_EXT_LIST_MIPS="
1713     mipsfpu
1714     mips32r2
1715     mips32r5
1716     mips64r2
1717     mips32r6
1718     mips64r6
1719     mipsdsp
1720     mipsdspr2
1721     msa
1722 "
1723
1724 ARCH_EXT_LIST_LOONGSON="
1725     loongson2
1726     loongson3
1727     mmi
1728 "
1729
1730 ARCH_EXT_LIST_X86_SIMD="
1731     aesni
1732     amd3dnow
1733     amd3dnowext
1734     avx
1735     avx2
1736     fma3
1737     fma4
1738     mmx
1739     mmxext
1740     sse
1741     sse2
1742     sse3
1743     sse4
1744     sse42
1745     ssse3
1746     xop
1747 "
1748
1749 ARCH_EXT_LIST_PPC="
1750     altivec
1751     dcbzl
1752     ldbrx
1753     power8
1754     ppc4xx
1755     vsx
1756 "
1757
1758 ARCH_EXT_LIST_X86="
1759     $ARCH_EXT_LIST_X86_SIMD
1760     cpunop
1761     i686
1762 "
1763
1764 ARCH_EXT_LIST="
1765     $ARCH_EXT_LIST_ARM
1766     $ARCH_EXT_LIST_PPC
1767     $ARCH_EXT_LIST_X86
1768     $ARCH_EXT_LIST_MIPS
1769     $ARCH_EXT_LIST_LOONGSON
1770 "
1771
1772 ARCH_FEATURES="
1773     aligned_stack
1774     fast_64bit
1775     fast_clz
1776     fast_cmov
1777     local_aligned_8
1778     local_aligned_16
1779     local_aligned_32
1780     simd_align_16
1781 "
1782
1783 BUILTIN_LIST="
1784     atomic_cas_ptr
1785     atomic_compare_exchange
1786     machine_rw_barrier
1787     MemoryBarrier
1788     mm_empty
1789     rdtsc
1790     sarestart
1791     sem_timedwait
1792     sync_val_compare_and_swap
1793 "
1794 HAVE_LIST_CMDLINE="
1795     inline_asm
1796     symver
1797     yasm
1798 "
1799
1800 HAVE_LIST_PUB="
1801     bigendian
1802     fast_unaligned
1803 "
1804
1805 HEADERS_LIST="
1806     alsa_asoundlib_h
1807     altivec_h
1808     arpa_inet_h
1809     asm_types_h
1810     cdio_paranoia_h
1811     cdio_paranoia_paranoia_h
1812     cuda_h
1813     dispatch_dispatch_h
1814     dev_bktr_ioctl_bt848_h
1815     dev_bktr_ioctl_meteor_h
1816     dev_ic_bt8xx_h
1817     dev_video_bktr_ioctl_bt848_h
1818     dev_video_meteor_ioctl_meteor_h
1819     direct_h
1820     dirent_h
1821     dlfcn_h
1822     d3d11_h
1823     dxva_h
1824     ES2_gl_h
1825     gsm_h
1826     io_h
1827     mach_mach_time_h
1828     machine_ioctl_bt848_h
1829     machine_ioctl_meteor_h
1830     malloc_h
1831     opencv2_core_core_c_h
1832     openjpeg_2_1_openjpeg_h
1833     openjpeg_2_0_openjpeg_h
1834     openjpeg_1_5_openjpeg_h
1835     OpenGL_gl3_h
1836     poll_h
1837     sndio_h
1838     soundcard_h
1839     sys_mman_h
1840     sys_param_h
1841     sys_resource_h
1842     sys_select_h
1843     sys_soundcard_h
1844     sys_time_h
1845     sys_un_h
1846     sys_videoio_h
1847     termios_h
1848     udplite_h
1849     unistd_h
1850     valgrind_valgrind_h
1851     windows_h
1852     winsock2_h
1853 "
1854
1855 INTRINSICS_LIST="
1856     intrinsics_neon
1857 "
1858
1859 COMPLEX_FUNCS="
1860     cabs
1861     cexp
1862 "
1863
1864 MATH_FUNCS="
1865     atanf
1866     atan2f
1867     cbrt
1868     cbrtf
1869     copysign
1870     cosf
1871     erf
1872     exp2
1873     exp2f
1874     expf
1875     hypot
1876     isfinite
1877     isinf
1878     isnan
1879     ldexpf
1880     llrint
1881     llrintf
1882     log2
1883     log2f
1884     log10f
1885     lrint
1886     lrintf
1887     powf
1888     rint
1889     round
1890     roundf
1891     sinf
1892     trunc
1893     truncf
1894 "
1895
1896 SYSTEM_FUNCS="
1897     access
1898     aligned_malloc
1899     arc4random
1900     clock_gettime
1901     closesocket
1902     CommandLineToArgvW
1903     CoTaskMemFree
1904     CryptGenRandom
1905     dlopen
1906     fcntl
1907     flt_lim
1908     fork
1909     getaddrinfo
1910     gethrtime
1911     getopt
1912     GetProcessAffinityMask
1913     GetProcessMemoryInfo
1914     GetProcessTimes
1915     getrusage
1916     GetSystemTimeAsFileTime
1917     gettimeofday
1918     glob
1919     glXGetProcAddress
1920     gmtime_r
1921     inet_aton
1922     isatty
1923     jack_port_get_latency_range
1924     kbhit
1925     LoadLibrary
1926     localtime_r
1927     lstat
1928     lzo1x_999_compress
1929     mach_absolute_time
1930     MapViewOfFile
1931     memalign
1932     mkstemp
1933     mmap
1934     mprotect
1935     nanosleep
1936     PeekNamedPipe
1937     posix_memalign
1938     pthread_cancel
1939     sched_getaffinity
1940     SetConsoleTextAttribute
1941     SetConsoleCtrlHandler
1942     setmode
1943     setrlimit
1944     Sleep
1945     strerror_r
1946     sysconf
1947     sysctl
1948     usleep
1949     UTGetOSTypeFromString
1950     VirtualAlloc
1951     wglGetProcAddress
1952 "
1953
1954 TOOLCHAIN_FEATURES="
1955     as_dn_directive
1956     as_func
1957     as_object_arch
1958     asm_mod_q
1959     attribute_may_alias
1960     attribute_packed
1961     ebp_available
1962     ebx_available
1963     gnu_as
1964     gnu_windres
1965     ibm_asm
1966     inline_asm_direct_symbol_refs
1967     inline_asm_labels
1968     inline_asm_nonlocal_labels
1969     pragma_deprecated
1970     rsync_contimeout
1971     symver_asm_label
1972     symver_gnu_asm
1973     vfp_args
1974     xform_asm
1975     xmm_clobbers
1976 "
1977
1978 TYPES_LIST="
1979     CONDITION_VARIABLE_Ptr
1980     socklen_t
1981     struct_addrinfo
1982     struct_group_source_req
1983     struct_ip_mreq_source
1984     struct_ipv6_mreq
1985     struct_msghdr_msg_flags
1986     struct_pollfd
1987     struct_rusage_ru_maxrss
1988     struct_sctp_event_subscribe
1989     struct_sockaddr_in6
1990     struct_sockaddr_sa_len
1991     struct_sockaddr_storage
1992     struct_stat_st_mtim_tv_nsec
1993     struct_v4l2_frmivalenum_discrete
1994 "
1995
1996 HAVE_LIST="
1997     $ARCH_EXT_LIST
1998     $(add_suffix _external $ARCH_EXT_LIST)
1999     $(add_suffix _inline   $ARCH_EXT_LIST)
2000     $ARCH_FEATURES
2001     $ATOMICS_LIST
2002     $BUILTIN_LIST
2003     $COMPLEX_FUNCS
2004     $HAVE_LIST_CMDLINE
2005     $HAVE_LIST_PUB
2006     $HEADERS_LIST
2007     $INTRINSICS_LIST
2008     $MATH_FUNCS
2009     $SYSTEM_FUNCS
2010     $THREADS_LIST
2011     $TOOLCHAIN_FEATURES
2012     $TYPES_LIST
2013     atomics_native
2014     dos_paths
2015     dxva2_lib
2016     dxva2api_cobj
2017     libc_msvcrt
2018     libdc1394_1
2019     libdc1394_2
2020     makeinfo
2021     makeinfo_html
2022     MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS
2023     perl
2024     pod2man
2025     sdl2
2026     section_data_rel_ro
2027     texi2html
2028     threads
2029     vaapi_drm
2030     vaapi_x11
2031     vdpau_x11
2032     winrt
2033     xlib
2034 "
2035
2036 # options emitted with CONFIG_ prefix but not available on the command line
2037 CONFIG_EXTRA="
2038     aandcttables
2039     ac3dsp
2040     audio_frame_queue
2041     audiodsp
2042     blockdsp
2043     bswapdsp
2044     cabac
2045     dirac_parse
2046     dvprofile
2047     exif
2048     faandct
2049     faanidct
2050     fdctdsp
2051     flacdsp
2052     fmtconvert
2053     frame_thread_encoder
2054     g722dsp
2055     golomb
2056     gplv3
2057     h263dsp
2058     h264chroma
2059     h264dsp
2060     h264parse
2061     h264pred
2062     h264qpel
2063     hpeldsp
2064     huffman
2065     huffyuvdsp
2066     huffyuvencdsp
2067     idctdsp
2068     iirfilter
2069     imdct15
2070     intrax8
2071     iso_media
2072     ividsp
2073     jpegtables
2074     lgplv3
2075     libx262
2076     llauddsp
2077     llviddsp
2078     lpc
2079     lzf
2080     me_cmp
2081     mpeg_er
2082     mpegaudio
2083     mpegaudiodsp
2084     mpegvideo
2085     mpegvideoenc
2086     mss34dsp
2087     pixblockdsp
2088     qpeldsp
2089     qsv
2090     qsvdec
2091     qsvenc
2092     rangecoder
2093     riffdec
2094     riffenc
2095     rtpdec
2096     rtpenc_chain
2097     rv34dsp
2098     sinewin
2099     snappy
2100     srtp
2101     startcode
2102     texturedsp
2103     texturedspenc
2104     tpeldsp
2105     vaapi_encode
2106     vc1dsp
2107     videodsp
2108     vp3dsp
2109     vp56dsp
2110     vp8dsp
2111     vt_bt2020
2112     wma_freqs
2113     wmv2dsp
2114 "
2115
2116 CMDLINE_SELECT="
2117     $ARCH_EXT_LIST
2118     $CONFIG_LIST
2119     $HAVE_LIST_CMDLINE
2120     $THREADS_LIST
2121     asm
2122     cross_compile
2123     debug
2124     extra_warnings
2125     logging
2126     lto
2127     optimizations
2128     rpath
2129     stripping
2130 "
2131
2132 PATHS_LIST="
2133     bindir
2134     datadir
2135     docdir
2136     incdir
2137     libdir
2138     mandir
2139     pkgconfigdir
2140     prefix
2141     shlibdir
2142     install_name_dir
2143 "
2144
2145 CMDLINE_SET="
2146     $PATHS_LIST
2147     ar
2148     arch
2149     as
2150     assert_level
2151     build_suffix
2152     cc
2153     objcc
2154     cpu
2155     cross_prefix
2156     custom_allocator
2157     cxx
2158     dep_cc
2159     doxygen
2160     env
2161     extra_version
2162     gas
2163     host_cc
2164     host_cflags
2165     host_ld
2166     host_ldflags
2167     host_libs
2168     host_os
2169     install
2170     ld
2171     ln_s
2172     logfile
2173     malloc_prefix
2174     nm
2175     optflags
2176     pkg_config
2177     pkg_config_flags
2178     progs_suffix
2179     random_seed
2180     ranlib
2181     samples
2182     strip
2183     sws_max_filter_size
2184     sysinclude
2185     sysroot
2186     target_exec
2187     target_os
2188     target_path
2189     target_samples
2190     tempprefix
2191     toolchain
2192     valgrind
2193     yasmexe
2194 "
2195
2196 CMDLINE_APPEND="
2197     extra_cflags
2198     extra_cxxflags
2199     extra_objcflags
2200     host_cppflags
2201 "
2202
2203 # code dependency declarations
2204
2205 # architecture extensions
2206
2207 armv5te_deps="arm"
2208 armv6_deps="arm"
2209 armv6t2_deps="arm"
2210 armv8_deps="aarch64"
2211 neon_deps_any="aarch64 arm"
2212 intrinsics_neon_deps="neon"
2213 vfp_deps_any="aarch64 arm"
2214 vfpv3_deps="vfp"
2215 setend_deps="arm"
2216
2217 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
2218
2219 loongson2_deps="mips"
2220 loongson3_deps="mips"
2221 mipsfpu_deps="mips"
2222 mipsdsp_deps="mips"
2223 mipsdspr2_deps="mips"
2224 mips32r2_deps="mips"
2225 mips32r5_deps="mips"
2226 mips32r6_deps="mips"
2227 mips64r2_deps="mips"
2228 mips64r6_deps="mips"
2229 msa_deps="mipsfpu"
2230 mmi_deps="mips"
2231
2232 altivec_deps="ppc"
2233 dcbzl_deps="ppc"
2234 ldbrx_deps="ppc"
2235 ppc4xx_deps="ppc"
2236 vsx_deps="altivec"
2237 power8_deps="vsx"
2238
2239 cpunop_deps="i686"
2240 x86_64_select="i686"
2241 x86_64_suggest="fast_cmov"
2242
2243 amd3dnow_deps="mmx"
2244 amd3dnowext_deps="amd3dnow"
2245 i686_deps="x86"
2246 mmx_deps="x86"
2247 mmxext_deps="mmx"
2248 sse_deps="mmxext"
2249 sse2_deps="sse"
2250 sse3_deps="sse2"
2251 ssse3_deps="sse3"
2252 sse4_deps="ssse3"
2253 sse42_deps="sse4"
2254 aesni_deps="sse42"
2255 avx_deps="sse42"
2256 xop_deps="avx"
2257 fma3_deps="avx"
2258 fma4_deps="avx"
2259 avx2_deps="avx"
2260
2261 mmx_external_deps="yasm"
2262 mmx_inline_deps="inline_asm"
2263 mmx_suggest="mmx_external mmx_inline"
2264
2265 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
2266     eval dep=\$${ext}_deps
2267     eval ${ext}_external_deps='"${dep}_external"'
2268     eval ${ext}_inline_deps='"${dep}_inline"'
2269     eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
2270 done
2271
2272 aligned_stack_if_any="aarch64 ppc x86"
2273 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
2274 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
2275 fast_unaligned_if_any="aarch64 ppc x86"
2276 simd_align_16_if_any="altivec neon sse"
2277
2278 # system capabilities
2279 symver_if_any="symver_asm_label symver_gnu_asm"
2280 valgrind_backtrace_deps="!optimizations valgrind_valgrind_h"
2281
2282 # threading support
2283 atomics_gcc_if_any="sync_val_compare_and_swap atomic_compare_exchange"
2284 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
2285 atomics_win32_if="MemoryBarrier"
2286 atomics_native_if_any="$ATOMICS_LIST"
2287 w32threads_deps="atomics_native"
2288 threads_if_any="$THREADS_LIST"
2289
2290 # subsystems
2291 dct_select="rdft"
2292 dirac_parse_select="golomb"
2293 error_resilience_select="me_cmp"
2294 faandct_deps="faan fdctdsp"
2295 faanidct_deps="faan idctdsp"
2296 h264dsp_select="startcode"
2297 frame_thread_encoder_deps="encoders threads"
2298 intrax8_select="blockdsp idctdsp"
2299 mdct_select="fft"
2300 me_cmp_select="fdctdsp idctdsp pixblockdsp"
2301 mpeg_er_select="error_resilience"
2302 mpegaudio_select="mpegaudiodsp"
2303 mpegaudiodsp_select="dct"
2304 mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp mpeg_er videodsp"
2305 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
2306 vc1dsp_select="h264chroma qpeldsp startcode"
2307 rdft_select="fft"
2308
2309 # decoders / encoders
2310 aac_decoder_select="imdct15 mdct sinewin"
2311 aac_fixed_decoder_select="mdct sinewin"
2312 aac_encoder_select="audio_frame_queue iirfilter lpc mdct sinewin"
2313 aac_latm_decoder_select="aac_decoder aac_latm_parser"
2314 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
2315 ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"
2316 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
2317 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
2318 adpcm_g722_decoder_select="g722dsp"
2319 adpcm_g722_encoder_select="g722dsp"
2320 aic_decoder_select="golomb idctdsp"
2321 alac_encoder_select="lpc"
2322 als_decoder_select="bswapdsp"
2323 amrnb_decoder_select="lsp"
2324 amrwb_decoder_select="lsp"
2325 amv_decoder_select="sp5x_decoder exif"
2326 amv_encoder_select="aandcttables jpegtables mpegvideoenc"
2327 ape_decoder_select="bswapdsp llauddsp"
2328 apng_decoder_select="zlib"
2329 apng_encoder_select="huffyuvencdsp zlib"
2330 asv1_decoder_select="blockdsp bswapdsp idctdsp"
2331 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
2332 asv2_decoder_select="blockdsp bswapdsp idctdsp"
2333 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
2334 atrac1_decoder_select="mdct sinewin"
2335 atrac3_decoder_select="mdct"
2336 atrac3p_decoder_select="mdct sinewin"
2337 avrn_decoder_select="exif jpegtables"
2338 bink_decoder_select="blockdsp hpeldsp"
2339 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
2340 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
2341 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
2342 cllc_decoder_select="bswapdsp"
2343 comfortnoise_encoder_select="lpc"
2344 cook_decoder_select="audiodsp mdct sinewin"
2345 cscd_decoder_select="lzo"
2346 cscd_decoder_suggest="zlib"
2347 dca_decoder_select="mdct"
2348 dds_decoder_select="texturedsp"
2349 dirac_decoder_select="dirac_parse dwt golomb videodsp mpegvideoenc"
2350 dnxhd_decoder_select="blockdsp idctdsp"
2351 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
2352 dvvideo_decoder_select="dvprofile idctdsp"
2353 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
2354 dxa_decoder_select="zlib"
2355 dxv_decoder_select="lzf texturedsp"
2356 eac3_decoder_select="ac3_decoder"
2357 eac3_encoder_select="ac3_encoder"
2358 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
2359 eatgq_decoder_select="aandcttables"
2360 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp"
2361 exr_decoder_select="zlib"
2362 ffv1_decoder_select="golomb rangecoder"
2363 ffv1_encoder_select="rangecoder"
2364 ffvhuff_decoder_select="huffyuv_decoder"
2365 ffvhuff_encoder_select="huffyuv_encoder"
2366 fic_decoder_select="golomb"
2367 flac_decoder_select="flacdsp golomb"
2368 flac_encoder_select="bswapdsp flacdsp golomb lpc"
2369 flashsv2_decoder_select="zlib"
2370 flashsv2_encoder_select="zlib"
2371 flashsv_decoder_select="zlib"
2372 flashsv_encoder_select="zlib"
2373 flv_decoder_select="h263_decoder"
2374 flv_encoder_select="h263_encoder"
2375 fourxm_decoder_select="blockdsp bswapdsp"
2376 fraps_decoder_select="bswapdsp huffman"
2377 g2m_decoder_select="blockdsp idctdsp jpegtables zlib"
2378 g729_decoder_select="audiodsp"
2379 h261_decoder_select="mpegvideo"
2380 h261_encoder_select="aandcttables mpegvideoenc"
2381 h263_decoder_select="h263_parser h263dsp mpegvideo qpeldsp"
2382 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
2383 h263i_decoder_select="h263_decoder"
2384 h263p_decoder_select="h263_decoder"
2385 h263p_encoder_select="h263_encoder"
2386 h264_decoder_select="cabac golomb h264chroma h264dsp h264parse h264pred h264qpel videodsp"
2387 h264_decoder_suggest="error_resilience"
2388 hap_decoder_select="snappy texturedsp"
2389 hap_encoder_deps="libsnappy"
2390 hap_encoder_select="texturedspenc"
2391 hevc_decoder_select="bswapdsp cabac golomb videodsp"
2392 huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"
2393 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llviddsp"
2394 iac_decoder_select="imc_decoder"
2395 imc_decoder_select="bswapdsp fft mdct sinewin"
2396 indeo3_decoder_select="hpeldsp"
2397 indeo4_decoder_select="ividsp"
2398 indeo5_decoder_select="ividsp"
2399 interplay_video_decoder_select="hpeldsp"
2400 jpegls_decoder_select="golomb mjpeg_decoder"
2401 jpegls_encoder_select="golomb"
2402 jv_decoder_select="blockdsp"
2403 lagarith_decoder_select="huffyuvdsp"
2404 ljpeg_encoder_select="aandcttables idctdsp jpegtables"
2405 loco_decoder_select="golomb"
2406 magicyuv_decoder_select="huffyuvdsp"
2407 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2408 metasound_decoder_select="lsp mdct sinewin"
2409 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2410 mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"
2411 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
2412 mjpegb_decoder_select="mjpeg_decoder"
2413 mjpeg_vaapi_encoder_deps="VAEncPictureParameterBufferJPEG"
2414 mjpeg_vaapi_encoder_select="vaapi_encode jpegtables"
2415 mlp_decoder_select="mlp_parser"
2416 motionpixels_decoder_select="bswapdsp"
2417 mp1_decoder_select="mpegaudio"
2418 mp1float_decoder_select="mpegaudio"
2419 mp2_decoder_select="mpegaudio"
2420 mp2float_decoder_select="mpegaudio"
2421 mp3_decoder_select="mpegaudio"
2422 mp3adu_decoder_select="mpegaudio"
2423 mp3adufloat_decoder_select="mpegaudio"
2424 mp3float_decoder_select="mpegaudio"
2425 mp3on4_decoder_select="mpegaudio"
2426 mp3on4float_decoder_select="mpegaudio"
2427 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2428 mpc8_decoder_select="mpegaudiodsp"
2429 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
2430 mpeg_xvmc_decoder_select="mpeg2video_decoder"
2431 mpegvideo_decoder_select="mpegvideo"
2432 mpeg1video_decoder_select="mpegvideo"
2433 mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"
2434 mpeg2video_decoder_select="mpegvideo"
2435 mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"
2436 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2437 mpeg4_encoder_select="h263_encoder"
2438 msa1_decoder_select="mss34dsp"
2439 msmpeg4v1_decoder_select="h263_decoder"
2440 msmpeg4v2_decoder_select="h263_decoder"
2441 msmpeg4v2_encoder_select="h263_encoder"
2442 msmpeg4v3_decoder_select="h263_decoder"
2443 msmpeg4v3_encoder_select="h263_encoder"
2444 mss2_decoder_select="vc1_decoder mpegvideo"
2445 mts2_decoder_select="mss34dsp"
2446 mxpeg_decoder_select="mjpeg_decoder"
2447 nellymoser_decoder_select="mdct sinewin"
2448 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2449 nuv_decoder_select="idctdsp lzo"
2450 on2avc_decoder_select="mdct"
2451 opus_decoder_deps="swresample"
2452 opus_decoder_select="imdct15"
2453 png_decoder_select="zlib"
2454 png_encoder_select="huffyuvencdsp zlib"
2455 prores_decoder_select="blockdsp idctdsp"
2456 prores_encoder_select="fdctdsp"
2457 qcelp_decoder_select="lsp"
2458 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2459 ra_144_decoder_select="audiodsp"
2460 ra_144_encoder_select="audio_frame_queue lpc audiodsp"
2461 ralf_decoder_select="golomb"
2462 rawvideo_decoder_select="bswapdsp"
2463 rscc_decoder_select="zlib"
2464 rtjpeg_decoder_select="me_cmp"
2465 rv10_decoder_select="h263_decoder"
2466 rv10_encoder_select="h263_encoder"
2467 rv20_decoder_select="h263_decoder"
2468 rv20_encoder_select="h263_encoder"
2469 rv30_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2470 rv40_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2471 screenpresso_decoder_select="zlib"
2472 shorten_decoder_select="golomb"
2473 sipr_decoder_select="lsp"
2474 snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"
2475 snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"
2476 sonic_decoder_select="golomb rangecoder"
2477 sonic_encoder_select="golomb rangecoder"
2478 sonic_ls_encoder_select="golomb rangecoder"
2479 sp5x_decoder_select="mjpeg_decoder"
2480 svq1_decoder_select="hpeldsp"
2481 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2482 svq3_decoder_select="golomb h264dsp h264parse h264pred hpeldsp tpeldsp videodsp"
2483 svq3_decoder_suggest="zlib"
2484 tak_decoder_select="audiodsp"
2485 tdsc_decoder_select="zlib mjpeg_decoder"
2486 theora_decoder_select="vp3_decoder"
2487 thp_decoder_select="mjpeg_decoder"
2488 tiff_decoder_suggest="zlib lzma"
2489 tiff_encoder_suggest="zlib"
2490 truehd_decoder_select="mlp_parser"
2491 truemotion2_decoder_select="bswapdsp"
2492 truespeech_decoder_select="bswapdsp"
2493 tscc_decoder_select="zlib"
2494 twinvq_decoder_select="mdct lsp sinewin"
2495 txd_decoder_select="texturedsp"
2496 utvideo_decoder_select="bswapdsp"
2497 utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"
2498 vble_decoder_select="huffyuvdsp"
2499 vc1_decoder_select="blockdsp h263_decoder h264qpel intrax8 mpegvideo vc1dsp"
2500 vc1_qsv_decoder_deps="libmfx"
2501 vc1_qsv_decoder_select="qsvdec vc1_qsv_hwaccel"
2502 vc1image_decoder_select="vc1_decoder"
2503 vorbis_decoder_select="mdct"
2504 vorbis_encoder_select="mdct"
2505 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2506 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"
2507 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"
2508 vp6a_decoder_select="vp6_decoder"
2509 vp6f_decoder_select="vp6_decoder"
2510 vp7_decoder_select="h264pred videodsp vp8dsp"
2511 vp8_decoder_select="h264pred videodsp vp8dsp"
2512 vp9_decoder_select="videodsp vp9_parser"
2513 webp_decoder_select="vp8_decoder exif"
2514 wmalossless_decoder_select="llauddsp"
2515 wmapro_decoder_select="mdct sinewin wma_freqs"
2516 wmav1_decoder_select="mdct sinewin wma_freqs"
2517 wmav1_encoder_select="mdct sinewin wma_freqs"
2518 wmav2_decoder_select="mdct sinewin wma_freqs"
2519 wmav2_encoder_select="mdct sinewin wma_freqs"
2520 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2521 wmv1_decoder_select="h263_decoder"
2522 wmv1_encoder_select="h263_encoder"
2523 wmv2_decoder_select="blockdsp error_resilience h263_decoder idctdsp intrax8 videodsp wmv2dsp"
2524 wmv2_encoder_select="h263_encoder wmv2dsp"
2525 wmv3_decoder_select="vc1_decoder"
2526 wmv3image_decoder_select="wmv3_decoder"
2527 xma1_decoder_select="wmapro_decoder"
2528 xma2_decoder_select="wmapro_decoder"
2529 zerocodec_decoder_select="zlib"
2530 zlib_decoder_select="zlib"
2531 zlib_encoder_select="zlib"
2532 zmbv_decoder_select="zlib"
2533 zmbv_encoder_select="zlib"
2534
2535 # platform codecs
2536 audiotoolbox_deps="AudioToolbox_AudioToolbox_h"
2537 audiotoolbox_extralibs="-framework CoreFoundation -framework AudioToolbox -framework CoreMedia"
2538
2539 # hardware accelerators
2540 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
2541 cuda_deps_any="dlopen LoadLibrary"
2542 cuvid_deps="cuda"
2543 d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder ID3D11VideoContext"
2544 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode"
2545 dxva2_extralibs="-luser32"
2546 vaapi_deps="va_va_h"
2547 vda_framework_deps="VideoDecodeAcceleration_VDADecoder_h"
2548 vda_framework_extralibs="-framework VideoDecodeAcceleration"
2549 vda_deps="vda_framework pthreads"
2550 vda_extralibs="-framework CoreFoundation -framework QuartzCore"
2551 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
2552 videotoolbox_hwaccel_deps="videotoolbox pthreads"
2553 videotoolbox_hwaccel_extralibs="-framework QuartzCore"
2554 xvmc_deps="X11_extensions_XvMClib_h"
2555
2556 h263_vaapi_hwaccel_deps="vaapi"
2557 h263_vaapi_hwaccel_select="h263_decoder"
2558 h263_videotoolbox_hwaccel_deps="videotoolbox"
2559 h263_videotoolbox_hwaccel_select="h263_decoder"
2560 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
2561 h264_cuvid_hwaccel_deps="cuda cuvid"
2562 h264_d3d11va_hwaccel_deps="d3d11va"
2563 h264_d3d11va_hwaccel_select="h264_decoder"
2564 h264_dxva2_hwaccel_deps="dxva2"
2565 h264_dxva2_hwaccel_select="h264_decoder"
2566 h264_mediacodec_decoder_deps="mediacodec"
2567 h264_mediacodec_hwaccel_deps="mediacodec"
2568 h264_mediacodec_decoder_select="h264_mp4toannexb_bsf h264_parser"
2569 h264_mmal_decoder_deps="mmal"
2570 h264_mmal_decoder_select="mmal"
2571 h264_mmal_hwaccel_deps="mmal"
2572 h264_omx_encoder_deps="omx"
2573 h264_qsv_hwaccel_deps="libmfx"
2574 h264_vaapi_hwaccel_deps="vaapi"
2575 h264_vaapi_hwaccel_select="h264_decoder"
2576 h264_vda_decoder_deps="vda"
2577 h264_vda_decoder_select="h264_decoder"
2578 h264_vda_hwaccel_deps="vda"
2579 h264_vda_hwaccel_select="h264_decoder"
2580 h264_vda_old_hwaccel_deps="vda"
2581 h264_vda_old_hwaccel_select="h264_decoder"
2582 h264_vdpau_decoder_deps="vdpau"
2583 h264_vdpau_decoder_select="h264_decoder"
2584 h264_vdpau_hwaccel_deps="vdpau"
2585 h264_vdpau_hwaccel_select="h264_decoder"
2586 h264_videotoolbox_hwaccel_deps="videotoolbox"
2587 h264_videotoolbox_hwaccel_select="h264_decoder"
2588 hevc_cuvid_hwaccel_deps="cuda cuvid"
2589 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2590 hevc_d3d11va_hwaccel_select="hevc_decoder"
2591 hevc_mediacodec_decoder_deps="mediacodec"
2592 hevc_mediacodec_hwaccel_deps="mediacodec"
2593 hevc_mediacodec_decoder_select="hevc_mp4toannexb_bsf hevc_parser"
2594 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2595 hevc_dxva2_hwaccel_select="hevc_decoder"
2596 hevc_qsv_hwaccel_deps="libmfx"
2597 hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC"
2598 hevc_vaapi_hwaccel_select="hevc_decoder"
2599 hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"
2600 hevc_vdpau_hwaccel_select="hevc_decoder"
2601 mjpeg_cuvid_hwaccel_deps="cuda cuvid"
2602 mpeg_vdpau_decoder_deps="vdpau"
2603 mpeg_vdpau_decoder_select="mpeg2video_decoder"
2604 mpeg_xvmc_hwaccel_deps="xvmc"
2605 mpeg_xvmc_hwaccel_select="mpeg2video_decoder"
2606 mpeg1_cuvid_hwaccel_deps="cuda cuvid"
2607 mpeg1_vdpau_decoder_deps="vdpau"
2608 mpeg1_vdpau_decoder_select="mpeg1video_decoder"
2609 mpeg1_vdpau_hwaccel_deps="vdpau"
2610 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2611 mpeg1_videotoolbox_hwaccel_deps="videotoolbox"
2612 mpeg1_videotoolbox_hwaccel_select="mpeg1video_decoder"
2613 mpeg1_xvmc_hwaccel_deps="xvmc"
2614 mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"
2615 mpeg2_crystalhd_decoder_select="crystalhd"
2616 mpeg2_cuvid_hwaccel_deps="cuda cuvid"
2617 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2618 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2619 mpeg2_dxva2_hwaccel_deps="dxva2"
2620 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2621 mpeg2_mmal_decoder_deps="mmal"
2622 mpeg2_mmal_decoder_select="mmal"
2623 mpeg2_mmal_hwaccel_deps="mmal"
2624 mpeg2_qsv_hwaccel_deps="libmfx"
2625 mpeg2_qsv_hwaccel_select="qsvdec_mpeg2"
2626 mpeg2_vaapi_hwaccel_deps="vaapi"
2627 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2628 mpeg2_vdpau_hwaccel_deps="vdpau"
2629 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2630 mpeg2_videotoolbox_hwaccel_deps="videotoolbox"
2631 mpeg2_videotoolbox_hwaccel_select="mpeg2video_decoder"
2632 mpeg2_xvmc_hwaccel_deps="xvmc"
2633 mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"
2634 mpeg4_crystalhd_decoder_select="crystalhd"
2635 mpeg4_cuvid_hwaccel_deps="cuda cuvid"
2636 mpeg4_mediacodec_decoder_deps="mediacodec"
2637 mpeg4_mediacodec_hwaccel_deps="mediacodec"
2638 mpeg4_mmal_decoder_deps="mmal"
2639 mpeg4_mmal_decoder_select="mmal"
2640 mpeg4_mmal_hwaccel_deps="mmal"
2641 mpeg4_omx_encoder_deps="omx"
2642 mpeg4_vaapi_hwaccel_deps="vaapi"
2643 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2644 mpeg4_vdpau_decoder_deps="vdpau"
2645 mpeg4_vdpau_decoder_select="mpeg4_decoder"
2646 mpeg4_vdpau_hwaccel_deps="vdpau"
2647 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2648 mpeg4_videotoolbox_hwaccel_deps="videotoolbox"
2649 mpeg4_videotoolbox_hwaccel_select="mpeg4_decoder"
2650 msmpeg4_crystalhd_decoder_select="crystalhd"
2651 vc1_crystalhd_decoder_select="crystalhd"
2652 vc1_cuvid_hwaccel_deps="cuda cuvid"
2653 vc1_d3d11va_hwaccel_deps="d3d11va"
2654 vc1_d3d11va_hwaccel_select="vc1_decoder"
2655 vc1_dxva2_hwaccel_deps="dxva2"
2656 vc1_dxva2_hwaccel_select="vc1_decoder"
2657 vc1_mmal_decoder_deps="mmal"
2658 vc1_mmal_decoder_select="mmal"
2659 vc1_mmal_hwaccel_deps="mmal"
2660 vc1_qsv_hwaccel_deps="libmfx"
2661 vc1_qsv_hwaccel_select="qsvdec_vc1"
2662 vc1_vaapi_hwaccel_deps="vaapi"
2663 vc1_vaapi_hwaccel_select="vc1_decoder"
2664 vc1_vdpau_decoder_deps="vdpau"
2665 vc1_vdpau_decoder_select="vc1_decoder"
2666 vc1_vdpau_hwaccel_deps="vdpau"
2667 vc1_vdpau_hwaccel_select="vc1_decoder"
2668 vp8_cuvid_hwaccel_deps="cuda cuvid"
2669 vp9_cuvid_hwaccel_deps="cuda cuvid"
2670 vp8_mediacodec_decoder_deps="mediacodec"
2671 vp8_mediacodec_hwaccel_deps="mediacodec"
2672 vp9_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_VP9"
2673 vp9_d3d11va_hwaccel_select="vp9_decoder"
2674 vp9_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_VP9"
2675 vp9_dxva2_hwaccel_select="vp9_decoder"
2676 vp9_mediacodec_decoder_deps="mediacodec"
2677 vp9_mediacodec_hwaccel_deps="mediacodec"
2678 vp9_vaapi_hwaccel_deps="vaapi VADecPictureParameterBufferVP9"
2679 vp9_vaapi_hwaccel_select="vp9_decoder"
2680 wmv3_crystalhd_decoder_select="crystalhd"
2681 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2682 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2683 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2684 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2685 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2686
2687 # hardware-accelerated codecs
2688 omx_deps="dlopen pthreads"
2689 omx_extralibs='$ldl'
2690 qsvdec_select="qsv"
2691 qsvenc_select="qsv"
2692 vaapi_encode_deps="vaapi"
2693
2694 hwupload_cuda_filter_deps="cuda"
2695 scale_npp_filter_deps="cuda libnpp"
2696
2697 nvenc_deps="cuda"
2698 nvenc_deps_any="dlopen LoadLibrary"
2699 nvenc_encoder_deps="nvenc"
2700 h264_cuvid_decoder_deps="cuda cuvid"
2701 h264_cuvid_decoder_select="h264_mp4toannexb_bsf h264_cuvid_hwaccel"
2702 h264_nvenc_encoder_deps="nvenc"
2703 h264_qsv_decoder_deps="libmfx"
2704 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
2705 h264_qsv_encoder_deps="libmfx"
2706 h264_qsv_encoder_select="qsvenc"
2707 h264_vaapi_encoder_deps="VAEncPictureParameterBufferH264"
2708 h264_vaapi_encoder_select="vaapi_encode golomb"
2709
2710 hevc_cuvid_decoder_deps="cuda cuvid"
2711 hevc_cuvid_decoder_select="hevc_mp4toannexb_bsf hevc_cuvid_hwaccel"
2712 hevc_nvenc_encoder_deps="nvenc"
2713 hevc_qsv_decoder_deps="libmfx"
2714 hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec hevc_qsv_hwaccel"
2715 hevc_qsv_encoder_deps="libmfx"
2716 hevc_qsv_encoder_select="qsvenc"
2717 hevc_vaapi_encoder_deps="VAEncPictureParameterBufferHEVC"
2718 hevc_vaapi_encoder_select="vaapi_encode golomb"
2719 mjpeg_cuvid_decoder_deps="cuda cuvid"
2720 mjpeg_cuvid_decoder_select="mjpeg_cuvid_hwaccel"
2721 mpeg1_cuvid_decoder_deps="cuda cuvid"
2722 mpeg1_cuvid_decoder_select="mpeg1_cuvid_hwaccel"
2723 mpeg2_cuvid_decoder_deps="cuda cuvid"
2724 mpeg2_cuvid_decoder_select="mpeg2_cuvid_hwaccel"
2725 mpeg2_qsv_decoder_deps="libmfx"
2726 mpeg2_qsv_decoder_select="qsvdec mpeg2_qsv_hwaccel"
2727 mpeg2_qsv_encoder_deps="libmfx"
2728 mpeg2_qsv_encoder_select="qsvenc"
2729 mpeg4_cuvid_decoder_deps="cuda cuvid"
2730 mpeg4_cuvid_decoder_select="mpeg4_cuvid_hwaccel"
2731 nvenc_h264_encoder_deps="nvenc"
2732 nvenc_hevc_encoder_deps="nvenc"
2733
2734 vc1_cuvid_decoder_deps="cuda cuvid"
2735 vc1_cuvid_decoder_select="vc1_cuvid_hwaccel"
2736 vp8_cuvid_decoder_deps="cuda cuvid"
2737 vp8_cuvid_decoder_select="vp8_cuvid_hwaccel"
2738 vp9_cuvid_decoder_deps="cuda cuvid"
2739 vp9_cuvid_decoder_select="vp9_cuvid_hwaccel"
2740
2741 # parsers
2742 h264_parser_select="golomb h264dsp h264parse"
2743 hevc_parser_select="golomb"
2744 mpegvideo_parser_select="mpegvideo"
2745 mpeg4video_parser_select="h263dsp mpegvideo qpeldsp"
2746 vc1_parser_select="vc1dsp"
2747
2748 # bitstream_filters
2749 mjpeg2jpeg_bsf_select="jpegtables"
2750
2751 # external libraries
2752 aac_at_decoder_deps="audiotoolbox"
2753 ac3_at_decoder_deps="audiotoolbox"
2754 ac3_at_decoder_select="ac3_parser"
2755 adpcm_ima_qt_at_decoder_deps="audiotoolbox"
2756 alac_at_decoder_deps="audiotoolbox"
2757 amr_nb_at_decoder_deps="audiotoolbox"
2758 avisynth_deps_any="dlopen LoadLibrary"
2759 avisynth_demuxer_deps="avisynth"
2760 avisynth_demuxer_select="riffdec"
2761 eac3_at_decoder_deps="audiotoolbox"
2762 eac3_at_decoder_select="ac3_parser"
2763 gsm_ms_at_decoder_deps="audiotoolbox"
2764 ilbc_at_decoder_deps="audiotoolbox"
2765 mp1_at_decoder_deps="audiotoolbox"
2766 mp2_at_decoder_deps="audiotoolbox"
2767 mp3_at_decoder_deps="audiotoolbox"
2768 pcm_alaw_at_decoder_deps="audiotoolbox"
2769 pcm_mulaw_at_decoder_deps="audiotoolbox"
2770 qdmc_at_decoder_deps="audiotoolbox"
2771 qdm2_at_decoder_deps="audiotoolbox"
2772 aac_at_encoder_deps="audiotoolbox"
2773 aac_at_encoder_select="audio_frame_queue"
2774 alac_at_encoder_deps="audiotoolbox"
2775 alac_at_encoder_select="audio_frame_queue"
2776 ilbc_at_encoder_deps="audiotoolbox"
2777 ilbc_at_encoder_select="audio_frame_queue"
2778 pcm_alaw_at_encoder_deps="audiotoolbox"
2779 pcm_alaw_at_encoder_select="audio_frame_queue"
2780 pcm_mulaw_at_encoder_deps="audiotoolbox"
2781 pcm_mulaw_at_encoder_select="audio_frame_queue"
2782 chromaprint_muxer_deps="chromaprint"
2783 h264_videotoolbox_encoder_deps="videotoolbox_encoder pthreads"
2784 libcelt_decoder_deps="libcelt"
2785 libfdk_aac_decoder_deps="libfdk_aac"
2786 libfdk_aac_encoder_deps="libfdk_aac"
2787 libfdk_aac_encoder_select="audio_frame_queue"
2788 libgme_demuxer_deps="libgme"
2789 libgsm_decoder_deps="libgsm"
2790 libgsm_encoder_deps="libgsm"
2791 libgsm_ms_decoder_deps="libgsm"
2792 libgsm_ms_encoder_deps="libgsm"
2793 libilbc_decoder_deps="libilbc"
2794 libilbc_encoder_deps="libilbc"
2795 libkvazaar_encoder_deps="libkvazaar"
2796 libmodplug_demuxer_deps="libmodplug"
2797 libmp3lame_encoder_deps="libmp3lame"
2798 libmp3lame_encoder_select="audio_frame_queue"
2799 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2800 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2801 libopencore_amrnb_encoder_select="audio_frame_queue"
2802 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2803 libopenh264_decoder_deps="libopenh264"
2804 libopenh264_decoder_select="h264_mp4toannexb_bsf"
2805 libopenh264_encoder_deps="libopenh264"
2806 libopenjpeg_decoder_deps="libopenjpeg"
2807 libopenjpeg_encoder_deps="libopenjpeg"
2808 libopenmpt_demuxer_deps="libopenmpt"
2809 libopus_decoder_deps="libopus"
2810 libopus_encoder_deps="libopus"
2811 libopus_encoder_select="audio_frame_queue"
2812 libschroedinger_decoder_deps="libschroedinger"
2813 libschroedinger_encoder_deps="libschroedinger"
2814 libshine_encoder_deps="libshine"
2815 libshine_encoder_select="audio_frame_queue"
2816 libspeex_decoder_deps="libspeex"
2817 libspeex_encoder_deps="libspeex"
2818 libspeex_encoder_select="audio_frame_queue"
2819 libtheora_encoder_deps="libtheora"
2820 libtwolame_encoder_deps="libtwolame"
2821 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2822 libvorbis_decoder_deps="libvorbis"
2823 libvorbis_encoder_deps="libvorbis"
2824 libvorbis_encoder_select="audio_frame_queue"
2825 libvpx_vp8_decoder_deps="libvpx"
2826 libvpx_vp8_encoder_deps="libvpx"
2827 libvpx_vp9_decoder_deps="libvpx"
2828 libvpx_vp9_encoder_deps="libvpx"
2829 libwavpack_encoder_deps="libwavpack"
2830 libwebp_encoder_deps="libwebp"
2831 libwebp_anim_encoder_deps="libwebp"
2832 libx262_encoder_deps="libx262"
2833 libx264_encoder_deps="libx264"
2834 libx264rgb_encoder_deps="libx264 x264_csp_bgr"
2835 libx264rgb_encoder_select="libx264_encoder"
2836 libx265_encoder_deps="libx265"
2837 libxavs_encoder_deps="libxavs"
2838 libxvid_encoder_deps="libxvid"
2839 libzvbi_teletext_decoder_deps="libzvbi"
2840 videotoolbox_deps="VideoToolbox_VideoToolbox_h"
2841 videotoolbox_extralibs="-framework CoreFoundation -framework VideoToolbox -framework CoreMedia -framework CoreVideo"
2842 videotoolbox_encoder_deps="videotoolbox VTCompressionSessionPrepareToEncodeFrames"
2843 videotoolbox_encoder_suggest="vda_framework vt_bt2020"
2844 vt_bt2020_deps="kCVImageBufferColorPrimaries_ITU_R_2020"
2845
2846 # demuxers / muxers
2847 ac3_demuxer_select="ac3_parser"
2848 asf_demuxer_select="riffdec"
2849 asf_o_demuxer_select="riffdec"
2850 asf_muxer_select="riffenc"
2851 asf_stream_muxer_select="asf_muxer"
2852 avi_demuxer_select="iso_media riffdec exif"
2853 avi_muxer_select="riffenc"
2854 caf_demuxer_select="iso_media riffdec"
2855 dash_muxer_select="mp4_muxer"
2856 dirac_demuxer_select="dirac_parser"
2857 dts_demuxer_select="dca_parser"
2858 dtshd_demuxer_select="dca_parser"
2859 dv_demuxer_select="dvprofile"
2860 dv_muxer_select="dvprofile"
2861 dxa_demuxer_select="riffdec"
2862 eac3_demuxer_select="ac3_parser"
2863 f4v_muxer_select="mov_muxer"
2864 fifo_muxer_deps="threads"
2865 flac_demuxer_select="flac_parser"
2866 hds_muxer_select="flv_muxer"
2867 hls_muxer_select="mpegts_muxer"
2868 image2_alias_pix_demuxer_select="image2_demuxer"
2869 image2_brender_pix_demuxer_select="image2_demuxer"
2870 ipod_muxer_select="mov_muxer"
2871 ismv_muxer_select="mov_muxer"
2872 libnut_demuxer_deps="libnut"
2873 libnut_muxer_deps="libnut"
2874 matroska_audio_muxer_select="matroska_muxer"
2875 matroska_demuxer_select="iso_media riffdec"
2876 matroska_demuxer_suggest="bzlib lzo zlib"
2877 matroska_muxer_select="iso_media riffenc"
2878 mmf_muxer_select="riffenc"
2879 mov_demuxer_select="iso_media riffdec"
2880 mov_demuxer_suggest="zlib"
2881 mov_muxer_select="iso_media riffenc rtpenc_chain"
2882 mp3_demuxer_select="mpegaudio_parser"
2883 mp4_muxer_select="mov_muxer"
2884 mpegts_demuxer_select="iso_media"
2885 mpegts_muxer_select="adts_muxer latm_muxer"
2886 mpegtsraw_demuxer_select="mpegts_demuxer"
2887 mxf_d10_muxer_select="mxf_muxer"
2888 mxf_opatom_muxer_select="mxf_muxer"
2889 nut_muxer_select="riffenc"
2890 nuv_demuxer_select="riffdec"
2891 oga_muxer_select="ogg_muxer"
2892 ogg_demuxer_select="dirac_parse"
2893 ogv_muxer_select="ogg_muxer"
2894 opus_muxer_select="ogg_muxer"
2895 psp_muxer_select="mov_muxer"
2896 rtp_demuxer_select="sdp_demuxer"
2897 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol srtp"
2898 rtsp_demuxer_select="http_protocol rtpdec"
2899 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2900 sap_demuxer_select="sdp_demuxer"
2901 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2902 sdp_demuxer_select="rtpdec"
2903 smoothstreaming_muxer_select="ismv_muxer"
2904 spdif_muxer_select="aac_parser"
2905 spx_muxer_select="ogg_muxer"
2906 swf_demuxer_suggest="zlib"
2907 tak_demuxer_select="tak_parser"
2908 tg2_muxer_select="mov_muxer"
2909 tgp_muxer_select="mov_muxer"
2910 vobsub_demuxer_select="mpegps_demuxer"
2911 w64_demuxer_select="wav_demuxer"
2912 w64_muxer_select="wav_muxer"
2913 wav_demuxer_select="riffdec"
2914 wav_muxer_select="riffenc"
2915 webm_muxer_select="iso_media riffenc"
2916 webm_dash_manifest_demuxer_select="matroska_demuxer"
2917 wtv_demuxer_select="mpegts_demuxer riffdec"
2918 wtv_muxer_select="mpegts_muxer riffenc"
2919 xmv_demuxer_select="riffdec"
2920 xwma_demuxer_select="riffdec"
2921
2922 # indevs / outdevs
2923 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2924 alsa_outdev_deps="alsa_asoundlib_h"
2925 avfoundation_indev_extralibs="-framework CoreVideo -framework Foundation -framework AVFoundation -framework CoreMedia"
2926 avfoundation_indev_select="avfoundation"
2927 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2928 caca_outdev_deps="libcaca"
2929 decklink_indev_deps="decklink pthreads"
2930 decklink_indev_extralibs="-lstdc++"
2931 decklink_outdev_deps="decklink pthreads"
2932 decklink_outdev_extralibs="-lstdc++"
2933 dshow_indev_deps="IBaseFilter"
2934 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"
2935 dv1394_indev_deps="dv1394"
2936 dv1394_indev_select="dv_demuxer"
2937 fbdev_indev_deps="linux_fb_h"
2938 fbdev_outdev_deps="linux_fb_h"
2939 gdigrab_indev_deps="CreateDIBSection"
2940 gdigrab_indev_extralibs="-lgdi32"
2941 gdigrab_indev_select="bmp_decoder"
2942 iec61883_indev_deps="libiec61883"
2943 jack_indev_deps="jack_jack_h"
2944 jack_indev_deps_any="sem_timedwait dispatch_dispatch_h"
2945 lavfi_indev_deps="avfilter"
2946 libcdio_indev_deps="libcdio"
2947 libdc1394_indev_deps="libdc1394"
2948 libv4l2_indev_deps="libv4l2"
2949 openal_indev_deps="openal"
2950 opengl_outdev_deps="opengl"
2951 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2952 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2953 pulse_indev_deps="libpulse"
2954 pulse_outdev_deps="libpulse"
2955 qtkit_indev_extralibs="-framework QTKit -framework Foundation -framework QuartzCore"
2956 qtkit_indev_select="qtkit"
2957 sdl2_outdev_deps="sdl2"
2958 sndio_indev_deps="sndio_h"
2959 sndio_outdev_deps="sndio_h"
2960 v4l_indev_deps="linux_videodev_h"
2961 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2962 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
2963 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2964 vfwcap_indev_extralibs="-lavicap32"
2965 x11grab_indev_deps="x11grab"
2966 x11grab_xcb_indev_deps="libxcb"
2967 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
2968 xv_outdev_extralibs="-lXv -lX11 -lXext"
2969
2970 # protocols
2971 async_protocol_deps="threads"
2972 bluray_protocol_deps="libbluray"
2973 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2974 ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"
2975 ffrtmpcrypt_protocol_select="tcp_protocol"
2976 ffrtmphttp_protocol_deps="!librtmp_protocol"
2977 ffrtmphttp_protocol_select="http_protocol"
2978 ftp_protocol_select="tcp_protocol"
2979 gopher_protocol_select="network"
2980 http_protocol_select="tcp_protocol"
2981 httpproxy_protocol_select="tcp_protocol"
2982 https_protocol_select="tls_protocol"
2983 icecast_protocol_select="http_protocol"
2984 librtmp_protocol_deps="librtmp"
2985 librtmpe_protocol_deps="librtmp"
2986 librtmps_protocol_deps="librtmp"
2987 librtmpt_protocol_deps="librtmp"
2988 librtmpte_protocol_deps="librtmp"
2989 libsmbclient_protocol_deps="libsmbclient gplv3"
2990 libssh_protocol_deps="libssh"
2991 mmsh_protocol_select="http_protocol"
2992 mmst_protocol_select="network"
2993 rtmp_protocol_deps="!librtmp_protocol"
2994 rtmp_protocol_select="tcp_protocol"
2995 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2996 rtmps_protocol_deps="!librtmp_protocol"
2997 rtmps_protocol_select="tls_protocol"
2998 rtmpt_protocol_select="ffrtmphttp_protocol"
2999 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
3000 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
3001 rtp_protocol_select="udp_protocol"
3002 sctp_protocol_deps="struct_sctp_event_subscribe struct_msghdr_msg_flags"
3003 sctp_protocol_select="network"
3004 srtp_protocol_select="rtp_protocol srtp"
3005 tcp_protocol_select="network"
3006 tls_gnutls_protocol_deps="gnutls !tls_schannel_protocol !tls_securetransport_protocol"
3007 tls_gnutls_protocol_select="tcp_protocol"
3008 tls_openssl_protocol_deps="openssl !tls_schannel_protocol !tls_securetransport_protocol !tls_gnutls_protocol"
3009 tls_openssl_protocol_select="tcp_protocol"
3010 tls_schannel_protocol_deps="schannel"
3011 tls_schannel_protocol_select="tcp_protocol"
3012 tls_securetransport_protocol_deps="securetransport"
3013 tls_securetransport_protocol_select="tcp_protocol"
3014 tls_protocol_deps_any="tls_schannel_protocol tls_securetransport_protocol tls_gnutls_protocol tls_openssl_protocol"
3015 udp_protocol_select="network"
3016 udplite_protocol_select="network"
3017 unix_protocol_deps="sys_un_h"
3018 unix_protocol_select="network"
3019
3020 # filters
3021 afftfilt_filter_deps="avcodec"
3022 afftfilt_filter_select="fft"
3023 amovie_filter_deps="avcodec avformat"
3024 aresample_filter_deps="swresample"
3025 ass_filter_deps="libass"
3026 asyncts_filter_deps="avresample"
3027 atempo_filter_deps="avcodec"
3028 atempo_filter_select="rdft"
3029 azmq_filter_deps="libzmq"
3030 blackframe_filter_deps="gpl"
3031 boxblur_filter_deps="gpl"
3032 bs2b_filter_deps="libbs2b"
3033 colormatrix_filter_deps="gpl"
3034 cover_rect_filter_deps="avcodec avformat gpl"
3035 cropdetect_filter_deps="gpl"
3036 delogo_filter_deps="gpl"
3037 deshake_filter_select="pixelutils"
3038 drawtext_filter_deps="libfreetype"
3039 ebur128_filter_deps="gpl"
3040 eq_filter_deps="gpl"
3041 fftfilt_filter_deps="avcodec"
3042 fftfilt_filter_select="rdft"
3043 find_rect_filter_deps="avcodec avformat gpl"
3044 firequalizer_filter_deps="avcodec"
3045 firequalizer_filter_select="rdft"
3046 flite_filter_deps="libflite"
3047 framerate_filter_select="pixelutils"
3048 frei0r_filter_deps="frei0r dlopen"
3049 frei0r_src_filter_deps="frei0r dlopen"
3050 fspp_filter_deps="gpl"
3051 geq_filter_deps="gpl"
3052 histeq_filter_deps="gpl"
3053 hqdn3d_filter_deps="gpl"
3054 interlace_filter_deps="gpl"
3055 kerndeint_filter_deps="gpl"
3056 ladspa_filter_deps="ladspa dlopen"
3057 mcdeint_filter_deps="avcodec gpl"
3058 movie_filter_deps="avcodec avformat"
3059 mpdecimate_filter_deps="gpl"
3060 mpdecimate_filter_select="pixelutils"
3061 mptestsrc_filter_deps="gpl"
3062 negate_filter_deps="lut_filter"
3063 nnedi_filter_deps="gpl"
3064 ocr_filter_deps="libtesseract"
3065 ocv_filter_deps="libopencv"
3066 owdenoise_filter_deps="gpl"
3067 pan_filter_deps="swresample"
3068 perspective_filter_deps="gpl"
3069 phase_filter_deps="gpl"
3070 pp7_filter_deps="gpl"
3071 pp_filter_deps="gpl postproc"
3072 pullup_filter_deps="gpl"
3073 removelogo_filter_deps="avcodec avformat swscale"
3074 repeatfields_filter_deps="gpl"
3075 resample_filter_deps="avresample"
3076 rubberband_filter_deps="librubberband"
3077 sab_filter_deps="gpl swscale"
3078 scale2ref_filter_deps="swscale"
3079 scale_filter_deps="swscale"
3080 select_filter_select="pixelutils"
3081 showcqt_filter_deps="avcodec avformat swscale"
3082 showcqt_filter_select="fft"
3083 showfreqs_filter_deps="avcodec"
3084 showfreqs_filter_select="fft"
3085 showspectrum_filter_deps="avcodec"
3086 showspectrum_filter_select="fft"
3087 showspectrumpic_filter_deps="avcodec"
3088 showspectrumpic_filter_select="fft"
3089 smartblur_filter_deps="gpl swscale"
3090 sofalizer_filter_deps="netcdf avcodec"
3091 sofalizer_filter_select="fft"
3092 spectrumsynth_filter_deps="avcodec"
3093 spectrumsynth_filter_select="fft"
3094 spp_filter_deps="gpl avcodec"
3095 spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"
3096 stereo3d_filter_deps="gpl"
3097 subtitles_filter_deps="avformat avcodec libass"
3098 super2xsai_filter_deps="gpl"
3099 pixfmts_super2xsai_test_deps="super2xsai_filter"
3100 tinterlace_filter_deps="gpl"
3101 tinterlace_merge_test_deps="tinterlace_filter"
3102 tinterlace_pad_test_deps="tinterlace_filter"
3103 uspp_filter_deps="gpl avcodec"
3104 vaguedenoiser_filter_deps="gpl"
3105 vidstabdetect_filter_deps="libvidstab"
3106 vidstabtransform_filter_deps="libvidstab"
3107 zmq_filter_deps="libzmq"
3108 zoompan_filter_deps="swscale"
3109 zscale_filter_deps="libzimg"
3110 scale_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
3111
3112 # examples
3113 avio_dir_cmd_deps="avformat avutil"
3114 avio_reading_deps="avformat avcodec avutil"
3115 decoding_encoding_example_deps="avcodec avformat avutil"
3116 demuxing_decoding_example_deps="avcodec avformat avutil"
3117 extract_mvs_example_deps="avcodec avformat avutil"
3118 filter_audio_example_deps="avfilter avutil"
3119 filtering_audio_example_deps="avfilter avcodec avformat avutil"
3120 filtering_video_example_deps="avfilter avcodec avformat avutil"
3121 http_multiclient_example_deps="avformat avutil fork"
3122 metadata_example_deps="avformat avutil"
3123 muxing_example_deps="avcodec avformat avutil swscale"
3124 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder vaapi_x11"
3125 remuxing_example_deps="avcodec avformat avutil"
3126 resampling_audio_example_deps="avutil swresample"
3127 scaling_video_example_deps="avutil swscale"
3128 transcode_aac_example_deps="avcodec avformat swresample"
3129 transcoding_example_deps="avfilter avcodec avformat avutil"
3130
3131 # libraries, in linking order
3132 avcodec_deps="avutil"
3133 avdevice_deps="avformat avcodec avutil"
3134 avfilter_deps="avutil"
3135 avformat_deps="avcodec avutil"
3136 avresample_deps="avutil"
3137 postproc_deps="avutil gpl"
3138 swresample_deps="avutil"
3139 swscale_deps="avutil"
3140
3141 # programs
3142 ffmpeg_deps="avcodec avfilter avformat swresample"
3143 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
3144                null_filter
3145                setpts_filter trim_filter"
3146 ffplay_deps="avcodec avformat swscale swresample sdl2"
3147 ffplay_libs='$sdl2_libs'
3148 ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"
3149 ffprobe_deps="avcodec avformat"
3150 ffserver_deps="avformat fork sarestart"
3151 ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
3152
3153 # documentation
3154 podpages_deps="perl"
3155 manpages_deps="perl pod2man"
3156 htmlpages_deps="perl"
3157 htmlpages_deps_any="makeinfo_html texi2html"
3158 txtpages_deps="perl makeinfo"
3159 doc_deps_any="manpages htmlpages podpages txtpages"
3160
3161 # default parameters
3162
3163 logfile="config.log"
3164
3165 # installation paths
3166 prefix_default="/usr/local"
3167 bindir_default='${prefix}/bin'
3168 datadir_default='${prefix}/share/ffmpeg'
3169 docdir_default='${prefix}/share/doc/ffmpeg'
3170 incdir_default='${prefix}/include'
3171 libdir_default='${prefix}/lib'
3172 mandir_default='${prefix}/share/man'
3173
3174 # toolchain
3175 ar_default="ar"
3176 cc_default="gcc"
3177 cxx_default="g++"
3178 host_cc_default="gcc"
3179 cp_f="cp -f"
3180 doxygen_default="doxygen"
3181 install="install"
3182 ln_s_default="ln -s -f"
3183 nm_default="nm -g"
3184 objformat="elf"
3185 pkg_config_default=pkg-config
3186 ranlib_default="ranlib"
3187 strip_default="strip"
3188 version_script='--version-script'
3189 yasmexe_default="yasm"
3190 windres_default="windres"
3191
3192 # OS
3193 target_os_default=$(tolower $(uname -s))
3194 host_os=$target_os_default
3195
3196 # machine
3197 if test "$target_os_default" = aix; then
3198     arch_default=$(uname -p)
3199     strip_default="strip -X32_64"
3200 else
3201     arch_default=$(uname -m)
3202 fi
3203 cpu="generic"
3204 intrinsics="none"
3205
3206 # configurable options
3207 enable $PROGRAM_LIST
3208 enable $DOCUMENT_LIST
3209 enable $EXAMPLE_LIST
3210 enable $(filter_out avresample $LIBRARY_LIST)
3211 enable stripping
3212
3213 enable asm
3214 enable debug
3215 enable doc
3216 enable faan faandct faanidct
3217 enable optimizations
3218 enable runtime_cpudetect
3219 enable safe_bitstream_reader
3220 enable static
3221 enable swscale_alpha
3222 enable valgrind_backtrace
3223
3224 sws_max_filter_size_default=256
3225 set_default sws_max_filter_size
3226
3227 # Enable platform codecs by default.
3228 enable audiotoolbox
3229
3230 # Enable hwaccels by default.
3231 enable d3d11va dxva2 vaapi vda vdpau videotoolbox_hwaccel xvmc
3232 enable xlib
3233
3234 enable cuda cuvid nvenc vda_framework videotoolbox videotoolbox_encoder
3235
3236 # build settings
3237 SHFLAGS='-shared -Wl,-soname,$$(@F)'
3238 LIBPREF="lib"
3239 LIBSUF=".a"
3240 FULLNAME='$(NAME)$(BUILDSUF)'
3241 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
3242 SLIBPREF="lib"
3243 SLIBSUF=".so"
3244 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
3245 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
3246 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
3247 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
3248 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
3249 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
3250 VERSION_SCRIPT_POSTPROCESS_CMD="cat"
3251
3252 asflags_filter=echo
3253 cflags_filter=echo
3254 ldflags_filter=echo
3255
3256 AS_C='-c'
3257 AS_O='-o $@'
3258 CC_C='-c'
3259 CC_E='-E -o $@'
3260 CC_O='-o $@'
3261 CXX_C='-c'
3262 CXX_O='-o $@'
3263 OBJCC_C='-c'
3264 OBJCC_E='-E -o $@'
3265 OBJCC_O='-o $@'
3266 LD_O='-o $@'
3267 LD_LIB='-l%'
3268 LD_PATH='-L'
3269 HOSTCC_C='-c'
3270 HOSTCC_E='-E -o $@'
3271 HOSTCC_O='-o $@'
3272 HOSTLD_O='-o $@'
3273
3274 host_libs='-lm'
3275 host_cflags_filter=echo
3276 host_ldflags_filter=echo
3277
3278 target_path='$(CURDIR)'
3279
3280 # since the object filename is not given with the -MM flag, the compiler
3281 # is only able to print the basename, and we must add the path ourselves
3282 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>/dev/null | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(@F),$(@D)/$(@F)," > $(@:.o=.d)'
3283 DEPFLAGS='-MM'
3284
3285 # find source path
3286 if test -f configure; then
3287     source_path=.
3288 else
3289     source_path=$(cd $(dirname "$0"); pwd)
3290     case "$source_path" in
3291         *[[:blank:]]*) die "Out of tree builds are impossible with whitespace in source path." ;;
3292     esac
3293     test -e "$source_path/config.h" &&
3294         die "Out of tree builds are impossible with config.h in source dir."
3295 fi
3296
3297 for v in "$@"; do
3298     r=${v#*=}
3299     l=${v%"$r"}
3300     r=$(sh_quote "$r")
3301     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
3302 done
3303
3304 find_things(){
3305     thing=$1
3306     pattern=$2
3307     file=$source_path/$3
3308     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
3309 }
3310
3311 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
3312 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
3313 HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
3314 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
3315 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
3316 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
3317 OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
3318 INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
3319 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
3320
3321 find_things_extern(){
3322     thing=$1
3323     pattern=$2
3324     file=$source_path/$3
3325     sed -n "s/^[^#]*extern.*$pattern *ff_\([^ ]*\)_$thing;/\1_$thing/p" "$file"
3326 }
3327
3328 BSF_LIST=$(find_things_extern bsf AVBitStreamFilter libavcodec/bitstream_filters.c)
3329 PROTOCOL_LIST=$(find_things_extern protocol URLProtocol libavformat/protocols.c)
3330
3331 ALL_COMPONENTS="
3332     $BSF_LIST
3333     $DECODER_LIST
3334     $DEMUXER_LIST
3335     $ENCODER_LIST
3336     $FILTER_LIST
3337     $HWACCEL_LIST
3338     $INDEV_LIST
3339     $MUXER_LIST
3340     $OUTDEV_LIST
3341     $PARSER_LIST
3342     $PROTOCOL_LIST
3343 "
3344
3345 for n in $COMPONENT_LIST; do
3346     v=$(toupper ${n%s})_LIST
3347     eval enable \$$v
3348     eval ${n}_if_any="\$$v"
3349 done
3350
3351 enable $ARCH_EXT_LIST
3352
3353 die_unknown(){
3354     echo "Unknown option \"$1\"."
3355     echo "See $0 --help for available options."
3356     exit 1
3357 }
3358
3359 print_in_columns() {
3360     cols=$(expr $ncols / 24)
3361     cat | tr ' ' '\n' | sort | pr -r "-$cols" -w $ncols -t
3362 }
3363
3364 show_list() {
3365     suffix=_$1
3366     shift
3367     echo $* | sed s/$suffix//g | print_in_columns
3368     exit 0
3369 }
3370
3371 rand_list(){
3372     IFS=', '
3373     set -- $*
3374     unset IFS
3375     for thing; do
3376         comp=${thing%:*}
3377         prob=${thing#$comp}
3378         prob=${prob#:}
3379         is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
3380         echo "prob ${prob:-0.5}"
3381         printf '%s\n' $comp
3382     done
3383 }
3384
3385 do_random(){
3386     action=$1
3387     shift
3388     random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
3389     $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
3390 }
3391
3392 for opt do
3393     optval="${opt#*=}"
3394     case "$opt" in
3395         --extra-ldflags=*)
3396             add_ldflags $optval
3397         ;;
3398         --extra-ldexeflags=*)
3399             add_ldexeflags $optval
3400         ;;
3401         --extra-ldlibflags=*)
3402             add_ldlibflags $optval
3403         ;;
3404         --extra-libs=*)
3405             add_extralibs $optval
3406         ;;
3407         --disable-devices)
3408             disable $INDEV_LIST $OUTDEV_LIST
3409         ;;
3410         --enable-debug=*)
3411             debuglevel="$optval"
3412         ;;
3413         --disable-programs)
3414             disable $PROGRAM_LIST
3415         ;;
3416         --disable-everything)
3417             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3418         ;;
3419         --disable-all)
3420             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3421             disable $LIBRARY_LIST $PROGRAM_LIST doc
3422             enable avutil
3423         ;;
3424         --enable-random|--disable-random)
3425             action=${opt%%-random}
3426             do_random ${action#--} $COMPONENT_LIST
3427         ;;
3428         --enable-random=*|--disable-random=*)
3429             action=${opt%%-random=*}
3430             do_random ${action#--} $optval
3431         ;;
3432         --enable-*=*|--disable-*=*)
3433             eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
3434             is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
3435             eval list=\$$(toupper $thing)_LIST
3436             name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
3437             list=$(filter "$name" $list)
3438             [ "$list" = "" ] && warn "Option $opt did not match anything"
3439             $action $list
3440         ;;
3441         --enable-?*|--disable-?*)
3442             eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
3443             if is_in $option $COMPONENT_LIST; then
3444                 test $action = disable && action=unset
3445                 eval $action \$$(toupper ${option%s})_LIST
3446             elif is_in $option $CMDLINE_SELECT; then
3447                 $action $option
3448             else
3449                 die_unknown $opt
3450             fi
3451         ;;
3452         --list-*)
3453             NAME="${opt#--list-}"
3454             is_in $NAME $COMPONENT_LIST || die_unknown $opt
3455             NAME=${NAME%s}
3456             eval show_list $NAME \$$(toupper $NAME)_LIST
3457         ;;
3458         --help|-h) show_help
3459         ;;
3460         --fatal-warnings) enable fatal_warnings
3461         ;;
3462         *)
3463             optname="${opt%%=*}"
3464             optname="${optname#--}"
3465             optname=$(echo "$optname" | sed 's/-/_/g')
3466             if is_in $optname $CMDLINE_SET; then
3467                 eval $optname='$optval'
3468             elif is_in $optname $CMDLINE_APPEND; then
3469                 append $optname "$optval"
3470             else
3471                 die_unknown $opt
3472             fi
3473         ;;
3474     esac
3475 done
3476
3477 for e in $env; do
3478     eval "export $e"
3479 done
3480
3481 disabled logging && logfile=/dev/null
3482
3483 # Disable all the library-specific components if the library itself
3484 # is disabled, see AVCODEC_LIST and following _LIST variables.
3485
3486 disable_components(){
3487     disabled ${1} && disable $(
3488         eval components="\$$(toupper ${1})_COMPONENTS"
3489         map 'eval echo \${$(toupper ${v%s})_LIST}' $components
3490     )
3491 }
3492
3493 map 'disable_components $v' $LIBRARY_LIST
3494
3495 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
3496 set >> $logfile
3497
3498 test -n "$valgrind" && toolchain="valgrind-memcheck"
3499
3500 case "$toolchain" in
3501     *-asan)
3502         cc_default="${toolchain%-asan}"
3503         add_cflags  -fsanitize=address
3504         add_ldflags -fsanitize=address
3505     ;;
3506     *-msan)
3507         cc_default="${toolchain%-msan}"
3508         add_cflags  -fsanitize=memory -fsanitize-memory-track-origins
3509         add_ldflags -fsanitize=memory
3510     ;;
3511     *-tsan)
3512         cc_default="${toolchain%-tsan}"
3513         add_cflags  -fsanitize=thread -pie
3514         add_ldflags -fsanitize=thread -pie
3515         case "$toolchain" in
3516             gcc-tsan)
3517                 add_cflags  -fPIC
3518                 add_ldflags -fPIC
3519                 ;;
3520         esac
3521     ;;
3522     *-usan)
3523         cc_default="${toolchain%-usan}"
3524         add_cflags  -fsanitize=undefined
3525         add_ldflags -fsanitize=undefined
3526     ;;
3527     valgrind-*)
3528         target_exec_default="valgrind"
3529         case "$toolchain" in
3530             valgrind-massif)
3531                 target_exec_args="--tool=massif --alloc-fn=av_malloc --alloc-fn=av_mallocz --alloc-fn=av_calloc --alloc-fn=av_fast_padded_malloc --alloc-fn=av_fast_malloc --alloc-fn=av_realloc_f --alloc-fn=av_fast_realloc --alloc-fn=av_realloc"
3532                 ;;
3533             valgrind-memcheck)
3534                 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
3535                 ;;
3536         esac
3537     ;;
3538     msvc)
3539         # Check whether the current MSVC version needs the C99 converter.
3540         # From MSVC 2013 (compiler major version 18) onwards, it does actually
3541         # support enough of C99 to build ffmpeg. Default to the new
3542         # behaviour if the regexp was unable to match anything, since this
3543         # successfully parses the version number of existing supported
3544         # versions that require the converter (MSVC 2010 and 2012).
3545         cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
3546         if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
3547             cc_default="cl"
3548         else
3549             cc_default="c99wrap cl"
3550         fi
3551         ld_default="$source_path/compat/windows/mslink"
3552         nm_default="dumpbin -symbols"
3553         ar_default="lib"
3554         case "$arch" in
3555         arm*)
3556             as_default="armasm"
3557             ;;
3558         esac
3559         target_os_default="win32"
3560         # Use a relative path for TMPDIR. This makes sure all the
3561         # ffconf temp files are written with a relative path, avoiding
3562         # issues with msys/win32 path conversion for MSVC parameters
3563         # such as -Fo<file> or -out:<file>.
3564         TMPDIR=.
3565     ;;
3566     icl)
3567         cc_default="icl"
3568         ld_default="xilink"
3569         nm_default="dumpbin -symbols"
3570         ar_default="xilib"
3571         target_os_default="win32"
3572         TMPDIR=.
3573     ;;
3574     gcov)
3575         add_cflags  -fprofile-arcs -ftest-coverage
3576         add_ldflags -fprofile-arcs -ftest-coverage
3577     ;;
3578     llvm-cov)
3579         add_cflags -fprofile-arcs -ftest-coverage
3580         add_ldflags --coverage
3581     ;;
3582     hardened)
3583         add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
3584         add_cflags   -fno-strict-overflow -fstack-protector-all
3585         add_ldflags  -Wl,-z,relro -Wl,-z,now
3586         add_cflags   -fPIE
3587         add_ldexeflags -fPIE -pie
3588     ;;
3589     ?*)
3590         die "Unknown toolchain $toolchain"
3591     ;;
3592 esac
3593
3594 test -n "$cross_prefix" && enable cross_compile
3595
3596 if enabled cross_compile; then
3597     test -n "$arch" && test -n "$target_os" ||
3598         die "Must specify target arch and OS when cross-compiling"
3599 fi
3600
3601 ar_default="${cross_prefix}${ar_default}"
3602 cc_default="${cross_prefix}${cc_default}"
3603 cxx_default="${cross_prefix}${cxx_default}"
3604 nm_default="${cross_prefix}${nm_default}"
3605 pkg_config_default="${cross_prefix}${pkg_config_default}"
3606 if ${cross_prefix}${ranlib_default} 2>&1 | grep -q "\-D "; then
3607     ranlib_default="${cross_prefix}${ranlib_default} -D"
3608 else
3609     ranlib_default="${cross_prefix}${ranlib_default}"
3610 fi
3611 strip_default="${cross_prefix}${strip_default}"
3612 windres_default="${cross_prefix}${windres_default}"
3613
3614 sysinclude_default="${sysroot}/usr/include"
3615
3616 set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \
3617     target_exec target_os yasmexe
3618 enabled cross_compile || host_cc_default=$cc
3619 set_default host_cc
3620
3621 pkg_config_fail_message=""
3622 if ! $pkg_config --version >/dev/null 2>&1; then
3623     warn "$pkg_config not found, library detection may fail."
3624     pkg_config=false
3625 elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then
3626     pkg_config_fail_message="
3627 Note: When building a static binary, add --pkg-config-flags=\"--static\"."
3628 fi
3629
3630 if test $doxygen != $doxygen_default && \
3631   ! $doxygen --version >/dev/null 2>&1; then
3632     warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."
3633 fi
3634
3635 exesuf() {
3636     case $1 in
3637         mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
3638     esac
3639 }
3640
3641 EXESUF=$(exesuf $target_os)
3642 HOSTEXESUF=$(exesuf $host_os)
3643
3644 # set temporary file name
3645 : ${TMPDIR:=$TEMPDIR}
3646 : ${TMPDIR:=$TMP}
3647 : ${TMPDIR:=/tmp}
3648
3649 if [ -n "$tempprefix" ] ; then
3650     mktemp(){
3651         echo $tempprefix.${HOSTNAME}.${UID}
3652     }
3653 elif ! check_cmd mktemp -u XXXXXX; then
3654     # simple replacement for missing mktemp
3655     # NOT SAFE FOR GENERAL USE
3656     mktemp(){
3657         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
3658     }
3659 fi
3660
3661 tmpfile(){
3662     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
3663         (set -C; exec > $tmp) 2>/dev/null ||
3664         die "Unable to create temporary file in $TMPDIR."
3665     append TMPFILES $tmp
3666     eval $1=$tmp
3667 }
3668
3669 trap 'rm -f -- $TMPFILES' EXIT
3670
3671 tmpfile TMPASM .asm
3672 tmpfile TMPC   .c
3673 tmpfile TMPCPP .cpp
3674 tmpfile TMPE   $EXESUF
3675 tmpfile TMPH   .h
3676 tmpfile TMPM   .m
3677 tmpfile TMPO   .o
3678 tmpfile TMPS   .S
3679 tmpfile TMPSH  .sh
3680 tmpfile TMPV   .ver
3681
3682 unset -f mktemp
3683
3684 chmod +x $TMPE
3685
3686 # make sure we can execute files in $TMPDIR
3687 cat > $TMPSH 2>> $logfile <<EOF
3688 #! /bin/sh
3689 EOF
3690 chmod +x $TMPSH >> $logfile 2>&1
3691 if ! $TMPSH >> $logfile 2>&1; then
3692     cat <<EOF
3693 Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
3694 variable to another directory and make sure that it is not mounted noexec.
3695 EOF
3696     die "Sanity test failed."
3697 fi
3698
3699 armasm_flags(){
3700     for flag; do
3701         case $flag in
3702             # Filter out MSVC cl.exe options from cflags that shouldn't
3703             # be passed to gas-preprocessor
3704             -M[TD]*)                                            ;;
3705             *)                  echo $flag                      ;;
3706         esac
3707    done
3708 }
3709
3710 ccc_flags(){
3711     for flag; do
3712         case $flag in
3713             -std=c99)           echo -c99                       ;;
3714             -mcpu=*)            echo -arch ${flag#*=}           ;;
3715             -mieee)             echo -ieee                      ;;
3716             -O*|-fast)          echo $flag                      ;;
3717             -fno-math-errno)    echo -assume nomath_errno       ;;
3718             -g)                 echo -g3                        ;;
3719             -Wall)              echo -msg_enable level2         ;;
3720             -Wno-pointer-sign)  echo -msg_disable ptrmismatch1  ;;
3721             -Wl,*)              echo $flag                      ;;
3722             -f*|-W*)                                            ;;
3723             *)                  echo $flag                      ;;
3724         esac
3725    done
3726 }
3727
3728 cparser_flags(){
3729     for flag; do
3730         case $flag in
3731             -Wno-switch)             echo -Wno-switch-enum ;;
3732             -Wno-format-zero-length) ;;
3733             -Wdisabled-optimization) ;;
3734             -Wno-pointer-sign)       echo -Wno-other ;;
3735             *)                       echo $flag ;;
3736         esac
3737     done
3738 }
3739
3740 msvc_common_flags(){
3741     for flag; do
3742         case $flag in
3743             # In addition to specifying certain flags under the compiler
3744             # specific filters, they must be specified here as well or else the
3745             # generic catch all at the bottom will print the original flag.
3746             -Wall)                ;;
3747             -std=c99)             ;;
3748             # Common flags
3749             -fomit-frame-pointer) ;;
3750             -g)                   echo -Z7 ;;
3751             -fno-math-errno)      ;;
3752             -fno-common)          ;;
3753             -fno-signed-zeros)    ;;
3754             -fPIC)                ;;
3755             -mthumb)              ;;
3756             -march=*)             ;;
3757             -lz)                  echo zlib.lib ;;
3758             -lavifil32)           echo vfw32.lib ;;
3759             -lavicap32)           echo vfw32.lib user32.lib ;;
3760             -lx264)               echo libx264.lib ;;
3761             -l*)                  echo ${flag#-l}.lib ;;
3762             -LARGEADDRESSAWARE)   echo $flag ;;
3763             -L*)                  echo -libpath:${flag#-L} ;;
3764             *)                    echo $flag ;;
3765         esac
3766     done
3767 }
3768
3769 msvc_flags(){
3770     msvc_common_flags "$@"
3771     for flag; do
3772         case $flag in
3773             -Wall)                echo -W4 -wd4244 -wd4127 -wd4018 -wd4389     \
3774                                        -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
3775                                        -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
3776                                        -wd4307 \
3777                                        -wd4273 -wd4554 -wd4701 ;;
3778         esac
3779     done
3780 }
3781
3782 icl_flags(){
3783     msvc_common_flags "$@"
3784     for flag; do
3785         case $flag in
3786             # Despite what Intel's documentation says -Wall, which is supported
3787             # on Windows, does enable remarks so disable them here.
3788             -Wall)                echo $flag -Qdiag-disable:remark ;;
3789             -std=c99)             echo -Qstd=c99 ;;
3790             -flto)                echo -ipo ;;
3791         esac
3792     done
3793 }
3794
3795 icc_flags(){
3796     for flag; do
3797         case $flag in
3798             -flto)                echo -ipo ;;
3799             *)                    echo $flag ;;
3800         esac
3801     done
3802 }
3803
3804 pgi_flags(){
3805     for flag; do
3806         case $flag in
3807             -flto)                echo -Mipa=fast,libopt,libinline,vestigial ;;
3808             -fomit-frame-pointer) echo -Mnoframe ;;
3809             -g)                   echo -gopt ;;
3810             *)                    echo $flag ;;
3811         esac
3812     done
3813 }
3814
3815 suncc_flags(){
3816     for flag; do
3817         case $flag in
3818             -march=*|-mcpu=*)
3819                 case "${flag#*=}" in
3820                     native)                   echo -xtarget=native       ;;
3821                     v9|niagara)               echo -xarch=sparc          ;;
3822                     ultrasparc)               echo -xarch=sparcvis       ;;
3823                     ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
3824                     i586|pentium)             echo -xchip=pentium        ;;
3825                     i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
3826                     pentium3*|c3-2)           echo -xtarget=pentium3     ;;
3827                     pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
3828                     pentium4*)          echo -xtarget=pentium4           ;;
3829                     prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
3830                     *-sse3)             echo -xarch=sse3                 ;;
3831                     core2)              echo -xarch=ssse3 -xchip=core2   ;;
3832                     bonnell)                   echo -xarch=ssse3         ;;
3833                     corei7|nehalem)            echo -xtarget=nehalem     ;;
3834                     westmere)                  echo -xtarget=westmere    ;;
3835                     silvermont)                echo -xarch=sse4_2        ;;
3836                     corei7-avx|sandybridge)    echo -xtarget=sandybridge ;;
3837                     core-avx*|ivybridge|haswell|broadwell|skylake*|knl)
3838                                                echo -xarch=avx           ;;
3839                     amdfam10|barcelona)        echo -xtarget=barcelona   ;;
3840                     btver1)                    echo -xarch=amdsse4a      ;;
3841                     btver2|bdver*|znver*)      echo -xarch=avx           ;;
3842                     athlon-4|athlon-[mx]p)     echo -xarch=ssea          ;;
3843                     k8|opteron|athlon64|athlon-fx)
3844                                                echo -xarch=sse2a         ;;
3845                     athlon*)                   echo -xarch=pentium_proa  ;;
3846                 esac
3847                 ;;
3848             -std=c99)             echo -xc99              ;;
3849             -fomit-frame-pointer) echo -xregs=frameptr    ;;
3850             -fPIC)                echo -KPIC -xcode=pic32 ;;
3851             -W*,*)                echo $flag              ;;
3852             -f*-*|-W*|-mimpure-text)                      ;;
3853             -shared)              echo -G                 ;;
3854             *)                    echo $flag              ;;
3855         esac
3856     done
3857 }
3858
3859 tms470_flags(){
3860     for flag; do
3861         case $flag in
3862             -march=*|-mcpu=*)
3863                 case "${flag#*=}" in
3864                     armv7-a|cortex-a*)      echo -mv=7a8 ;;
3865                     armv7-r|cortex-r*)      echo -mv=7r4 ;;
3866                     armv7-m|cortex-m*)      echo -mv=7m3 ;;
3867                     armv6*|arm11*)          echo -mv=6   ;;
3868                     armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
3869                                             echo -mv=5e  ;;
3870                     armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
3871                 esac
3872                 ;;
3873             -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
3874             -mfpu=vfp)      echo --float_support=vfpv2        ;;
3875             -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
3876             -mfpu=vfpv3-d16) echo --float_support=vfpv3d16    ;;
3877             -msoft-float)   echo --float_support=vfplib       ;;
3878             -O[0-3]|-mf=*)  echo $flag                        ;;
3879             -g)             echo -g -mn                       ;;
3880             -pds=*)         echo $flag                        ;;
3881             -D*|-I*)        echo $flag                        ;;
3882             --gcc|--abi=*)  echo $flag                        ;;
3883             -me)            echo $flag                        ;;
3884         esac
3885     done
3886 }
3887
3888 probe_cc(){
3889     pfx=$1
3890     _cc=$2
3891     first=$3
3892
3893     unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
3894     unset _ld_o _ldflags _ld_lib _ld_path
3895     unset _depflags _DEPCMD _DEPFLAGS
3896     _flags_filter=echo
3897
3898     if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
3899         true # no-op to avoid reading stdin in following checks
3900     elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
3901         _type=llvm_gcc
3902         gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')
3903         _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"
3904         _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3905         _cflags_speed='-O3'
3906         _cflags_size='-Os'
3907     elif $_cc -v 2>&1 | grep -qi ^gcc; then
3908         _type=gcc
3909         gcc_version=$($_cc --version | head -n1)
3910         gcc_basever=$($_cc -dumpversion)
3911         gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
3912         gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
3913         _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
3914         case $gcc_basever in
3915             2) ;;
3916             2.*) ;;
3917             *) _depflags='-MMD -MF $(@:.o=.d) -MT $@' ;;
3918         esac
3919         if [ "$first" = true ]; then
3920             case $gcc_basever in
3921                 4.2*)
3922                 warn "gcc 4.2 is outdated and may miscompile FFmpeg. Please use a newer compiler." ;;
3923             esac
3924         fi
3925         _cflags_speed='-O3'
3926         _cflags_size='-Os'
3927     elif $_cc --version 2>/dev/null | grep -q ^icc; then
3928         _type=icc
3929         _ident=$($_cc --version | head -n1)
3930         _depflags='-MMD'
3931         _cflags_speed='-O3'
3932         _cflags_size='-Os'
3933         _cflags_noopt='-O1'
3934         _flags_filter=icc_flags
3935     elif $_cc -v 2>&1 | grep -q xlc; then
3936         _type=xlc
3937         _ident=$($_cc -qversion 2>/dev/null | head -n1)
3938         _cflags_speed='-O5'
3939         _cflags_size='-O5 -qcompact'
3940     elif $_cc -V 2>/dev/null | grep -q Compaq; then
3941         _type=ccc
3942         _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
3943         _DEPFLAGS='-M'
3944         _cflags_speed='-fast'
3945         _cflags_size='-O1'
3946         _flags_filter=ccc_flags
3947     elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
3948         test -d "$sysroot" || die "No valid sysroot specified."
3949         _type=armcc
3950         _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
3951         armcc_conf="$PWD/armcc.conf"
3952         $_cc --arm_linux_configure                 \
3953              --arm_linux_config_file="$armcc_conf" \
3954              --configure_sysroot="$sysroot"        \
3955              --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
3956              die "Error creating armcc configuration file."
3957         $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
3958         _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
3959         as_default="${cross_prefix}gcc"
3960         _depflags='-MMD'
3961         _cflags_speed='-O3'
3962         _cflags_size='-Os'
3963     elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
3964         _type=tms470
3965         _ident=$($_cc -version | head -n1 | tr -s ' ')
3966         _flags='--gcc --abi=eabi -me'
3967         _cc_e='-ppl -fe=$@'
3968         _cc_o='-fe=$@'
3969         _depflags='-ppa -ppd=$(@:.o=.d)'
3970         _cflags_speed='-O3 -mf=5'
3971         _cflags_size='-O3 -mf=2'
3972         _flags_filter=tms470_flags
3973     elif $_cc -v 2>&1 | grep -q clang; then
3974         _type=clang
3975         _ident=$($_cc --version 2>/dev/null | head -n1)
3976         _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3977         _cflags_speed='-O3'
3978         _cflags_size='-Os'
3979     elif $_cc -V 2>&1 | grep -q Sun; then
3980         _type=suncc
3981         _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
3982         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3983         _DEPFLAGS='-xM1 -xc99'
3984         _ldflags='-std=c99'
3985         _cflags_speed='-O5'
3986         _cflags_size='-O5 -xspace'
3987         _flags_filter=suncc_flags
3988     elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
3989         _type=pathscale
3990         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3991         _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3992         _cflags_speed='-O2'
3993         _cflags_size='-Os'
3994         _flags_filter='filter_out -Wdisabled-optimization'
3995     elif $_cc -v 2>&1 | grep -q Open64; then
3996         _type=open64
3997         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3998         _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3999         _cflags_speed='-O2'
4000         _cflags_size='-Os'
4001         _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
4002     elif $_cc -V 2>&1 | grep -q Portland; then
4003         _type=pgi
4004         _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
4005         opt_common='-alias=ansi -Mdse -Mlre -Mpre'
4006         _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
4007         _cflags_size="-O2 -Munroll=c:1 $opt_common"
4008         _cflags_noopt="-O"
4009         _flags_filter=pgi_flags
4010     elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
4011         _type=armasm
4012         _ident=$($_cc | head -n1)
4013         # 4509: "This form of conditional instruction is deprecated"
4014         _flags="-nologo -ignore 4509"
4015         _flags_filter=armasm_flags
4016     elif $_cc 2>&1 | grep -q Intel; then
4017         _type=icl
4018         _ident=$($_cc 2>&1 | head -n1)
4019         _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
4020         # Not only is O3 broken on 13.x+ but it is slower on all previous
4021         # versions (tested) as well.
4022         _cflags_speed="-O2"
4023         _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
4024         if $_cc 2>&1 | grep -q Linker; then
4025             _ld_o='-out:$@'
4026         else
4027             _ld_o='-Fe$@'
4028         fi
4029         _cc_o='-Fo$@'
4030         _cc_e='-P'
4031         _flags_filter=icl_flags
4032         _ld_lib='lib%.a'
4033         _ld_path='-libpath:'
4034         # -Qdiag-error to make icl error when seeing certain unknown arguments
4035         _flags='-nologo -Qdiag-error:4044,10157'
4036         # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency
4037         # with MSVC which enables it by default.
4038         _cflags='-D_USE_MATH_DEFINES -Qms0 -Qvec- -Qsimd- -GS -fp:precise'
4039         disable stripping
4040     elif $_cc -nologo- 2>&1 | grep -q Microsoft; then
4041         _type=msvc
4042         _ident=$($_cc 2>&1 | head -n1)
4043         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
4044         _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
4045         _cflags_speed="-O2"
4046         _cflags_size="-O1"
4047         if $_cc -nologo- 2>&1 | grep -q Linker; then
4048             _ld_o='-out:$@'
4049         else
4050             _ld_o='-Fe$@'
4051         fi
4052         _cc_o='-Fo$@'
4053         _cc_e='-P -Fi$@'
4054         _flags_filter=msvc_flags
4055         _ld_lib='lib%.a'
4056         _ld_path='-libpath:'
4057         _flags='-nologo'
4058         _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS'
4059         disable stripping
4060     elif $_cc --version 2>/dev/null | grep -q ^cparser; then
4061         _type=cparser
4062         _ident=$($_cc --version | head -n1)
4063         _depflags='-MMD'
4064         _cflags_speed='-O4'
4065         _cflags_size='-O2'
4066         _flags_filter=cparser_flags
4067     fi
4068
4069     eval ${pfx}_type=\$_type
4070     eval ${pfx}_ident=\$_ident
4071 }
4072
4073 set_ccvars(){
4074     eval ${1}_C=\${_cc_c-\${${1}_C}}
4075     eval ${1}_E=\${_cc_e-\${${1}_E}}
4076     eval ${1}_O=\${_cc_o-\${${1}_O}}
4077
4078     if [ -n "$_depflags" ]; then
4079         eval ${1}_DEPFLAGS=\$_depflags
4080     else
4081         eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
4082         eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
4083         eval DEP${1}FLAGS=\$_flags
4084     fi
4085 }
4086
4087 probe_cc cc "$cc" "true"
4088 cflags_filter=$_flags_filter
4089 cflags_speed=$_cflags_speed
4090 cflags_size=$_cflags_size
4091 cflags_noopt=$_cflags_noopt