| 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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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>
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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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scale.c is too generic; scale_eval is more representative
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Adjustment of evaluated values shifted to ff_adjust_scale_dimensions
Shifted code for force_original_aspect_ratio and force_divisble_by from
vf_scale so it is now available for scale_cuda, scale_npp and
scale_vaapi as well.
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We have a pattern of wrapping CUDA calls to print errors and
normalise return values that is used in a couple of places. To
avoid duplication and increase consistency, let's put the wrapper
implementation in a shared place and use it everywhere.
Affects:
* avcodec/cuviddec
* avcodec/nvdec
* avcodec/nvenc
* avfilter/vf_scale_cuda
* avfilter/vf_scale_npp
* avfilter/vf_thumbnail_cuda
* avfilter/vf_transpose_npp
* avfilter/vf_yadif_cuda
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* commit '5c8a5765dc5f4e29afb85b95be393c30f45412a8':
scale_npp: explicitly set the output frames context for passthrough mode
See 62b75537db15816fde8b8a33976ffc4a8277f1fc
Merged-by: James Almer <jamrial@gmail.com>
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This is no longer done automatically for filters marked as
hwframe-aware.
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I totally did not forget to amend this to the previous patch...
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Signed-off-by: Timo Rothenpieler <timo@rothenpieler.org>
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Fixes CIDs 1396414 and 1396415
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* commit 'e3fb74f7f9a8f1895381355f40c92cac3c1023d9':
lavfi: Always propagate hw_frames_ctx through links
Merged-by: Matthieu Bouron <matthieu.bouron@gmail.com>
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Also adds a new flag to mark filters which are aware of hwframes and
will perform this task themselves, and marks all appropriate filters
with this flag.
This is required to allow software-mapped hardware frames to work,
because we need to have the frames context available for any later
mapping operation in the filter graph.
The output from the filter graph should only propagate further to an
encoder if the hardware format actually matches the visible format
(mapped frames are valid here and have an hw_frames_ctx, but this
should not be given to the encoder as its hardware context).
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Signed-off-by: Anton Khirnov <anton@khirnov.net>
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Implements support for height/width expressions in vf_scale_vaapi,
by refactoring common code into a new libavfilter/scale.c
Signed-off-by: Mark Thompson <sw@jkqxz.net>
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Signed-off-by: Timo Rothenpieler <timo@rothenpieler.org>
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Reviewed-by: Timo Rothenpieler <timo@rothenpieler.org>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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super-sampling is not supported
Signed-off-by: Timo Rothenpieler <timo@rothenpieler.org>
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Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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* commit '8a02a8031ef4f98faf5647f0e01a8922247bf748':
lavfi: add an NVIDIA NPP-based scaling filter
Merged-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
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