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path: root/libavfilter/vsrc_mandelbrot.c
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* avfilter/vsrc_mandelbrot: Check for malloc failureMichael Niedermayer2022-04-22
| | | | | Reviewed-by: Paul B Mahol <onemda@gmail.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* avfilter/vsrc_mandelbrot: set outlink frame_ratePaul B Mahol2022-03-25
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* avfilter/vsrc_mandelbrot: rename misleading variablePaul B Mahol2022-03-25
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* avfilter/vsrc_mandelbrot: Store format in filter, remove query funcAndreas Rheinhardt2021-10-05
| | | | Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
* avfilter: Replace query_formats callback with union of list and callbackAndreas Rheinhardt2021-10-05
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If one looks at the many query_formats callbacks in existence, one will immediately recognize that there is one type of default callback for video and a slightly different default callback for audio: It is "return ff_set_common_formats_from_list(ctx, pix_fmts);" for video with a filter-specific pix_fmts list. For audio, it is the same with a filter-specific sample_fmts list together with ff_set_common_all_samplerates() and ff_set_common_all_channel_counts(). This commit allows to remove the boilerplate query_formats callbacks by replacing said callback with a union consisting the old callback and pointers for pixel and sample format arrays. For the not uncommon case in which these lists only contain a single entry (besides the sentinel) enum AVPixelFormat and enum AVSampleFormat fields are also added to the union to store them directly in the AVFilter, thereby avoiding a relocation. The state of said union will be contained in a new, dedicated AVFilter field (the nb_inputs and nb_outputs fields have been shrunk to uint8_t in order to create a hole for this new field; this is no problem, as the maximum of all the nb_inputs is four; for nb_outputs it is only two). The state's default value coincides with the earlier default of query_formats being unset, namely that the filter accepts all formats (and also sample rates and channel counts/layouts for audio) provided that these properties agree coincide for all inputs and outputs. By using different union members for audio and video filters the type-unsafety of using the same functions for audio and video lists will furthermore be more confined to formats.c than before. When the new fields are used, they will also avoid allocations: Currently something nearly equivalent to ff_default_query_formats() is called after every successful call to a query_formats callback; yet in the common case that the newly allocated AVFilterFormats are not used at all (namely if there are no free links) these newly allocated AVFilterFormats are freed again without ever being used. Filters no longer using the callback will not exhibit this any more. Reviewed-by: Paul B Mahol <onemda@gmail.com> Reviewed-by: Nicolas George <george@nsup.org> Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
* avfilter/avfilter: Add numbers of (in|out)pads directly to AVFilterAndreas Rheinhardt2021-08-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | Up until now, an AVFilter's lists of input and output AVFilterPads were terminated by a sentinel and the only way to get the length of these lists was by using avfilter_pad_count(). This has two drawbacks: first, sizeof(AVFilterPad) is not negligible (i.e. 64B on 64bit systems); second, getting the size involves a function call instead of just reading the data. This commit therefore changes this. The sentinels are removed and new private fields nb_inputs and nb_outputs are added to AVFilter that contain the number of elements of the respective AVFilterPad array. Given that AVFilter.(in|out)puts are the only arrays of zero-terminated AVFilterPads an API user has access to (AVFilterContext.(in|out)put_pads are not zero-terminated and they already have a size field) the argument to avfilter_pad_count() is always one of these lists, so it just has to find the filter the list belongs to and read said number. This is slower than before, but a replacement function that just reads the internal numbers that users are expected to switch to will be added soon; and furthermore, avfilter_pad_count() is probably never called in hot loops anyway. This saves about 49KiB from the binary; notice that these sentinels are not in .bss despite being zeroed: they are in .data.rel.ro due to the non-sentinels. Reviewed-by: Nicolas George <george@nsup.org> Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
* avfilter/formats: Factor common function combinations outAndreas Rheinhardt2021-08-13
| | | | | | | | | | | Several combinations of functions happen quite often in query_format functions; e.g. ff_set_common_formats(ctx, ff_make_format_list(sample_fmts)) is very common. This commit therefore adds functions that are equivalent to commonly used function combinations in order to reduce code duplication. Reviewed-by: Nicolas George <george@nsup.org> Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
* avfilter: Constify all AVFiltersAndreas Rheinhardt2021-04-27
| | | | | | | This is possible now that the next-API is gone. Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com> Signed-off-by: James Almer <jamrial@gmail.com>
* avfilter/vsrc_mandelbrot: unbreak configuring rate valuePaul B Mahol2020-05-16
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* remove CHAR_MIN/CHAR_MAX usagePaul B Mahol2020-03-17
| | | | It is not needed at all.
* avfilter: don't anonymously typedef structsPaul B Mahol2017-05-13
| | | | Signed-off-by: Paul B Mahol <onemda@gmail.com>
* lavfi/vsrc_mandelbrot: replace round by lrintGanesh Ajjanagadde2015-12-19
| | | | | | | lrint is at least as fast, and is more accurate. Reviewed-by: Michael Niedermayer <michael@niedermayer.cc> Signed-off-by: Ganesh Ajjanagadde <gajjanagadde@gmail.com>
* avfilter/vsrc_mandelbrot: change sin to sinf for color computationGanesh Ajjanagadde2015-11-24
| | | | | | | | | | | | | | | | | | | | | | | | | | lrintf is anyway used, suggesting we only care up to floating precision. Rurthermore, there is a compat hack in avutil/libm for this function, and it is used in avcodec/aacps_tablegen.h. This yields a non-negligible speedup. Sample benchmark: x86-64, Haswell, GNU/Linux: old (draw_mandelbrot): 274635709 decicycles in draw_mandelbrot, 256 runs, 0 skips 300287046 decicycles in draw_mandelbrot, 512 runs, 0 skips 371819935 decicycles in draw_mandelbrot, 1024 runs, 0 skips 336663765 decicycles in draw_mandelbrot, 2048 runs, 0 skips 581851016 decicycles in draw_mandelbrot, 4096 runs, 0 skips new (draw_mandelbrot): 269882717 decicycles in draw_mandelbrot, 256 runs, 0 skips 296359285 decicycles in draw_mandelbrot, 512 runs, 0 skips 370076599 decicycles in draw_mandelbrot, 1024 runs, 0 skips 331478354 decicycles in draw_mandelbrot, 2048 runs, 0 skips 571904318 decicycles in draw_mandelbrot, 4096 runs, 0 skips Reviewed-by: Michael Niedermayer <michael@niedermayer.cc> Signed-off-by: Ganesh Ajjanagadde <gajjanagadde@gmail.com>
* avfilter/vsrc_mandelbrot: avoid sqrt for epsilon calculationGanesh Ajjanagadde2015-11-24
| | | | | | | | | | | | | | | | | | | | | | | | | | This rewrites into a similar expression avoiding sqrt. Similarity is assured since sqrt(x^2 + y^2)/(x+y) lies in [1/sqrt(2), 1] for x, y > 0. Tested on x86-64, Haswell, GNU/Linux. Command: ffmpeg -f lavfi -i mandelbrot -f null - old (draw_mandelbrot): 277625266 decicycles in draw_mandelbrot, 256 runs, 0 skips 304527322 decicycles in draw_mandelbrot, 512 runs, 0 skips 377593582 decicycles in draw_mandelbrot, 1024 runs, 0 skips 338539499 decicycles in draw_mandelbrot, 2048 runs, 0 skips 583630357 decicycles in draw_mandelbrot, 4096 runs, 0 skips new (draw_mandelbrot): 274635709 decicycles in draw_mandelbrot, 256 runs, 0 skips 300287046 decicycles in draw_mandelbrot, 512 runs, 0 skips 371819935 decicycles in draw_mandelbrot, 1024 runs, 0 skips 336663765 decicycles in draw_mandelbrot, 2048 runs, 0 skips 581851016 decicycles in draw_mandelbrot, 4096 runs, 0 skips Reviewed-by: Michael Niedermayer <michael@niedermayer.cc> Signed-off-by: Ganesh Ajjanagadde <gajjanagadde@gmail.com>
* vsrc_mandelbrot: Don't use German in commentsTimothy Gu2015-11-24
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* avfilter/vsrc_mandelbrot: Fix speed regressionMichael Niedermayer2015-11-24
| | | | Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* lavfi/mandelbrot: Output RGB0 instead of RGBA.Carl Eugen Hoyos2015-10-02
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* avfilter/vsrc_mandelbrot: use the name 's' for the pointer to the private ↵Ganesh Ajjanagadde2015-09-13
| | | | | | context Signed-off-by: Ganesh Ajjanagadde <gajjanagadde@gmail.com>
* avfilter: handle error in query_formats() in bunch of filtersPaul B Mahol2015-04-08
| | | | Signed-off-by: Paul B Mahol <onemda@gmail.com>
* avfilter/vsrc_mandelbrot: Change enums to int, which are accessed via ↵Michael Niedermayer2015-04-05
| | | | | | | | AVOption as int This fixes depending on implementation defined behavior Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
* avfilter/vsrc_mandelbrot: fix indention of mis-indented blockMichael Niedermayer2015-02-15
| | | | Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
* avfilter/vsrc_mandelbrot: use av_malloc_array()Michael Niedermayer2014-05-15
| | | | Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
* Merge remote-tracking branch 'qatar/master'Michael Niedermayer2013-10-29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * qatar/master: lavfi: do not export the filters from shared objects Conflicts: libavfilter/af_amix.c libavfilter/af_anull.c libavfilter/asrc_anullsrc.c libavfilter/f_select.c libavfilter/f_settb.c libavfilter/split.c libavfilter/src_movie.c libavfilter/vf_aspect.c libavfilter/vf_blackframe.c libavfilter/vf_colorbalance.c libavfilter/vf_copy.c libavfilter/vf_crop.c libavfilter/vf_cropdetect.c libavfilter/vf_drawbox.c libavfilter/vf_format.c libavfilter/vf_framestep.c libavfilter/vf_frei0r.c libavfilter/vf_hflip.c libavfilter/vf_libopencv.c libavfilter/vf_lut.c libavfilter/vf_null.c libavfilter/vf_overlay.c libavfilter/vf_scale.c libavfilter/vf_transpose.c libavfilter/vf_unsharp.c libavfilter/vf_vflip.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
* avfilter: various cosmeticsPaul B Mahol2013-09-12
| | | | Signed-off-by: Paul B Mahol <onemda@gmail.com>
* lavfi: remove now unused args parameter from AVFilter.init and init_opaqueMichael Niedermayer2013-04-12
| | | | | | | | | This is mostly automated global search and replace The deprecated aconvert filter is disabled, if it still has users it should be updated Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
* lavfi/mandelbrot: switch to an AVOptions-based system.Clément Bœsch2013-04-11
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* lavfi: always check return value of ff_get_{audio,video}_buffer()Paul B Mahol2013-04-08
| | | | Signed-off-by: Paul B Mahol <onemda@gmail.com>
* lavfi/mandelbrot: reindent after 51bcd5cd.Clément Bœsch2013-04-08
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* lavfi/mandelbrot: fix speedloss with default config after morphing introduction.Clément Bœsch2013-04-08
| | | | | | Morphing was introduced in 0d6e5a171 and forced cos/sin computations with some mult all the time. This commit makes sure these are computed only when morphing is enabled.
* vsrc_mandelbrot: Mandel morphing supportMichael Niedermayer2013-03-27
| | | | | | Example: ffplay -f lavfi "mandelbrot=outer=outz:morphamp=1:end_scale=2:maxiter=100" Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
* mandelbrot: add outer coloring method showing bailouted zMichael Niedermayer2013-03-27
| | | | Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
* vsrc_mandelbrot: support coloring the outside whiteMichael Niedermayer2013-03-27
| | | | Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
* lavfi/mandelbrot: make use of AV_OPT_TYPE_VIDEO_RATEPaul B Mahol2013-03-26
| | | | Signed-off-by: Paul B Mahol <onemda@gmail.com>
* lavfi/mandelbrot: raise filter_frame() error.Clément Bœsch2013-03-13
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* Merge commit '7e350379f87e7f74420b4813170fe808e2313911'Michael Niedermayer2013-03-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * commit '7e350379f87e7f74420b4813170fe808e2313911': lavfi: switch to AVFrame. Conflicts: doc/filters.texi libavfilter/af_ashowinfo.c libavfilter/audio.c libavfilter/avfilter.c libavfilter/avfilter.h libavfilter/buffersink.c libavfilter/buffersrc.c libavfilter/buffersrc.h libavfilter/f_select.c libavfilter/f_setpts.c libavfilter/fifo.c libavfilter/split.c libavfilter/src_movie.c libavfilter/version.h libavfilter/vf_aspect.c libavfilter/vf_bbox.c libavfilter/vf_blackframe.c libavfilter/vf_delogo.c libavfilter/vf_drawbox.c libavfilter/vf_drawtext.c libavfilter/vf_fade.c libavfilter/vf_fieldorder.c libavfilter/vf_fps.c libavfilter/vf_frei0r.c libavfilter/vf_gradfun.c libavfilter/vf_hqdn3d.c libavfilter/vf_lut.c libavfilter/vf_overlay.c libavfilter/vf_pad.c libavfilter/vf_scale.c libavfilter/vf_showinfo.c libavfilter/vf_transpose.c libavfilter/vf_vflip.c libavfilter/vf_yadif.c libavfilter/video.c libavfilter/vsrc_testsrc.c libavfilter/yadif.h Following are notes about the merge authorship and various technical details. Michael Niedermayer: * Main merge operation, notably avfilter.c and video.c * Switch to AVFrame: - afade - anullsrc - apad - aresample - blackframe - deshake - idet - il - mandelbrot - mptestsrc - noise - setfield - smartblur - tinterlace * various merge changes and fixes in: - ashowinfo - blackdetect - field - fps - select - testsrc - yadif Nicolas George: * Switch to AVFrame: - make rawdec work with refcounted frames. Adapted from commit 759001c534287a96dc96d1e274665feb7059145d by Anton Khirnov. Also, fix the use of || instead of | in a flags check. - make buffer sink and src, audio and video work all together Clément Bœsch: * Switch to AVFrame: - aevalsrc - alphaextract - blend - cellauto - colormatrix - concat - earwax - ebur128 - edgedetect - geq - histeq - histogram - hue - kerndeint - life - movie - mp (with the help of Michael) - overlay - pad - pan - pp - pp - removelogo - sendcmd - showspectrum - showwaves - silencedetect - stereo3d - subtitles - super2xsai - swapuv - thumbnail - tile Hendrik Leppkes: * Switch to AVFrame: - aconvert - amerge - asetnsamples - atempo - biquads Matthieu Bouron: * Switch to AVFrame - alphamerge - decimate - volumedetect Stefano Sabatini: * Switch to AVFrame: - astreamsync - flite - framestep Signed-off-by: Michael Niedermayer <michaelni@gmx.at> Signed-off-by: Nicolas George <nicolas.george@normalesup.org> Signed-off-by: Clément Bœsch <ubitux@gmail.com> Signed-off-by: Hendrik Leppkes <h.leppkes@gmail.com> Signed-off-by: Matthieu Bouron <matthieu.bouron@gmail.com> Signed-off-by: Stefano Sabatini <stefasab@gmail.com> Merged-by: Michael Niedermayer <michaelni@gmx.at>
* vsrc_mandelbrot: switch to filter_frameMichael Niedermayer2012-11-29
| | | | Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
* lavfi: add priv_class for some forgotten filters.Clément Bœsch2012-11-29
| | | | | This allows to print the options available when using commands such as ffmpeg -help full.
* lavfi: convert remaining input/output list compound literals to named objects.Clément Bœsch2012-11-28
| | | | This is following 568c70e79ee267426c15ef4603c69703f6a5884a.
* vf_mandelbrot: give all av_log a contextMichael Niedermayer2012-11-23
| | | | Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
* mandelbrot: fix inner=period coloring routineMichael Niedermayer2012-10-16
| | | | | Fixes CID717571 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
* Merge commit '716d413c13981da15323c7a3821860536eefdbbb'Michael Niedermayer2012-10-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * commit '716d413c13981da15323c7a3821860536eefdbbb': Replace PIX_FMT_* -> AV_PIX_FMT_*, PixelFormat -> AVPixelFormat Conflicts: doc/examples/muxing.c ffmpeg.h ffmpeg_filter.c ffmpeg_opt.c ffplay.c ffprobe.c libavcodec/8bps.c libavcodec/aasc.c libavcodec/aura.c libavcodec/avcodec.h libavcodec/avs.c libavcodec/bfi.c libavcodec/bmp.c libavcodec/bmpenc.c libavcodec/c93.c libavcodec/cscd.c libavcodec/cyuv.c libavcodec/dpx.c libavcodec/dpxenc.c libavcodec/eatgv.c libavcodec/escape124.c libavcodec/ffv1.c libavcodec/flashsv.c libavcodec/fraps.c libavcodec/h264.c libavcodec/huffyuv.c libavcodec/iff.c libavcodec/imgconvert.c libavcodec/indeo3.c libavcodec/kmvc.c libavcodec/libopenjpegdec.c libavcodec/libopenjpegenc.c libavcodec/libx264.c libavcodec/ljpegenc.c libavcodec/mjpegdec.c libavcodec/mjpegenc.c libavcodec/motionpixels.c libavcodec/mpeg12.c libavcodec/mpeg12enc.c libavcodec/mpeg4videodec.c libavcodec/mpegvideo_enc.c libavcodec/pamenc.c libavcodec/pcxenc.c libavcodec/pgssubdec.c libavcodec/pngdec.c libavcodec/pngenc.c libavcodec/pnm.c libavcodec/pnmdec.c libavcodec/pnmenc.c libavcodec/ptx.c libavcodec/qdrw.c libavcodec/qpeg.c libavcodec/qtrleenc.c libavcodec/raw.c libavcodec/rawdec.c libavcodec/rl2.c libavcodec/sgidec.c libavcodec/sgienc.c libavcodec/snowdec.c libavcodec/snowenc.c libavcodec/sunrast.c libavcodec/targa.c libavcodec/targaenc.c libavcodec/tiff.c libavcodec/tiffenc.c libavcodec/tmv.c libavcodec/truemotion2.c libavcodec/utils.c libavcodec/vb.c libavcodec/vp3.c libavcodec/wnv1.c libavcodec/xl.c libavcodec/xwddec.c libavcodec/xwdenc.c libavcodec/yop.c libavdevice/v4l2.c libavdevice/x11grab.c libavfilter/avfilter.c libavfilter/avfilter.h libavfilter/buffersrc.c libavfilter/drawutils.c libavfilter/formats.c libavfilter/src_movie.c libavfilter/vf_ass.c libavfilter/vf_drawtext.c libavfilter/vf_fade.c libavfilter/vf_format.c libavfilter/vf_hflip.c libavfilter/vf_lut.c libavfilter/vf_overlay.c libavfilter/vf_pad.c libavfilter/vf_scale.c libavfilter/vf_transpose.c libavfilter/vf_yadif.c libavfilter/video.c libavfilter/vsrc_testsrc.c libavformat/movenc.c libavformat/mxf.h libavformat/utils.c libavformat/yuv4mpeg.c libavutil/imgutils.c libavutil/pixdesc.c libswscale/input.c libswscale/output.c libswscale/swscale_internal.h libswscale/swscale_unscaled.c libswscale/utils.c libswscale/x86/swscale_template.c libswscale/x86/yuv2rgb.c libswscale/x86/yuv2rgb_template.c libswscale/yuv2rgb.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
* Merge commit 'e6153f173a49e5bfa70b0c04d2f82930533597b9'Michael Niedermayer2012-09-05
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * commit 'e6153f173a49e5bfa70b0c04d2f82930533597b9': avopt: Store defaults for AV_OPT_TYPE_INT in the i64 union member Conflicts: libavcodec/libopenjpegdec.c libavcodec/libopenjpegenc.c libavcodec/libx264.c libavcodec/mpeg12enc.c libavcodec/options_table.h libavcodec/snowenc.c libavcodec/tiffenc.c libavdevice/v4l2.c libavdevice/x11grab.c libavfilter/af_amix.c libavfilter/af_asyncts.c libavfilter/af_join.c libavfilter/buffersrc.c libavfilter/src_movie.c libavfilter/vf_delogo.c libavfilter/vf_drawtext.c libavformat/http.c libavformat/img2dec.c libavformat/img2enc.c libavformat/movenc.c libavformat/mpegenc.c libavformat/mpegtsenc.c libavformat/options_table.h libavformat/segment.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
* Merge commit '124134e42455763b28cc346fed1d07017a76e84e'Michael Niedermayer2012-09-05
| | | | | | | | | | | | | | | | | | | | * commit '124134e42455763b28cc346fed1d07017a76e84e': avopt: Store defaults for AV_OPT_TYPE_CONST in the i64 union member Conflicts: libavcodec/aacenc.c libavcodec/libopenjpegenc.c libavcodec/options_table.h libavdevice/bktr.c libavdevice/v4l2.c libavdevice/x11grab.c libavfilter/af_amix.c libavfilter/vf_drawtext.c libavformat/movenc.c libavformat/options_table.h libavutil/opt.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
* lavfi: add priv class to filter definitions and flags to filter internal optionsStefano Sabatini2012-08-18
| | | | | This allows the iteration callbacks to discover the internal class and options, and show them when required.
* Remove "Error parsing options string [...]" messages.Clément Bœsch2012-08-09
| | | | | This reduces from 3 to 2 messages for the same syntax error in ffprobe, and from 4 to 3 in filters.
* lavfi: do not pass opaque field to init functionsStefano Sabatini2012-07-08
| | | | Fix signature mismatch warnings.
* lavfi: define macro AVFILTER_DEFINE_CLASSStefano Sabatini2012-06-22
| | | | | The macro can be used to define consistently the internal class of a filter, save some typing and factorize.
* lavfi: remove redundant checks after av_parse_video_rate()Paul B Mahol2012-06-20
| | | | Signed-off-by: Paul B Mahol <onemda@gmail.com>
* lavfi: use designated initializers for AVClassPaul B Mahol2012-06-17
| | | | | | | | | While here: - add missing .version and .category, - make .class_name consistent across filters, - align declarations. Signed-off-by: Paul B Mahol <onemda@gmail.com>
* lavfi: update some deprecated functionsPaul B Mahol2012-06-16
| | | | Signed-off-by: Paul B Mahol <onemda@gmail.com>
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