| Commit message (Collapse) | Author | Age |
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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>
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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>
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Signed-off-by: Paul B Mahol <onemda@gmail.com>
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Reviewed-by: wm4 <nfxjfg@googlemail.com>
Signed-off-by: Muhammad Faiz <mfcc64@gmail.com>
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Signed-off-by: Ganesh Ajjanagadde <gajjanagadde@gmail.com>
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In particular, allow pad_len and whole_len to have value set to 0, which
means that no padding will be added. Previously a value set to 0 meant
that that the filter had to pad forever.
The new semantics is clearer, also simplifies scripting since the option
value might be automatically computed, so that no checks need to be done
in case it is 0.
The old semantics was never documented and the logic was broken (the
filter was always adding samples indefinitely), so this should not break
backward compatibility.
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Signed-off-by: Paul B Mahol <onemda@gmail.com>
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* 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>
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Signed-off-by: Paul B Mahol <onemda@gmail.com>
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With the introduction of AVFilterContext->is_disabled, we can simplify
the custom passthrough mode in filters.
This commit is technically a small compat break, but the timeline was
introduced very recently.
Doxy by Stefano Sabatini.
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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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>
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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* 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>
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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These options allow padding to a specific length or adding a specific amount if silence.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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This filter pads an audio stream with silence
It can together with -shortest be used to extend audio streams to
the same length as video.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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