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They do the same.
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
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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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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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ad73b32d2922f4237405043d19763229aee0e59e added some code for freeing in
the input's config_props function, yet this is unnecessary as uninit is
called anyway if config_props fails.
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
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This has happened when initializing the motion estimation context if
width or height of the video was smaller than the block size used
for motion estimation and if the motion interpolation mode indicates
not to use motion estimation.
The solution is of course to only initialize the motion estimation
context if the interpolation mode uses motion estimation.
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
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The latter code relies upon the dimensions to be not too small;
otherwise one will call av_clip() with min > max lateron which aborts
in case ASSERT_LEVEL is >= 2 or one will get a nonsense result that may
lead to a heap-buffer-overflow/underflow. The latter has happened in
ticket #8248 which this commit fixes.
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
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use it first"
This reverts commit d88e1c9838dbcfe29d7835f2705ffc9ee6a36bf3.
Fixes null pointer dereference.
Signed-off-by: Marton Balint <cus@passwd.hu>
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change detect result
./ffmpeg -loglevel debug -i ../fate-suite/svq3/Vertical400kbit.sorenson3.mov -vf
minterpolate=fps=60:mi_mode=blend -an -f null -
[Parsed_minterpolate_0 @ 0x7fe7f3e193c0] scene changed, input pts 1600
[Parsed_minterpolate_0 @ 0x7fe7f3e193c0] scene changed, input pts 4120
[Parsed_minterpolate_0 @ 0x7fe7f3e193c0] scene changed, input pts 5780
[Parsed_minterpolate_0 @ 0x7fe7f3e193c0] scene changed, input pts 6700
[Parsed_minterpolate_0 @ 0x7fe7f3e193c0] scene changed, input pts 8140
[Parsed_minterpolate_0 @ 0x7fe7f3e193c0] scene changed, input pts 9740
[Parsed_minterpolate_0 @ 0x7fe7f3e193c0] scene changed, input pts 14060
[Parsed_minterpolate_0 @ 0x7fe7f3e193c0] scene changed, input pts 15680
[Parsed_minterpolate_0 @ 0x7fe7f3e193c0] scene changed, input pts 18480
[Parsed_minterpolate_0 @ 0x7fe7f3e193c0] scene changed, input pts 20020
[Parsed_minterpolate_0 @ 0x7fe7f3e193c0] scene changed, input pts 21740
The results are consistent with tests/ref/fate/filter-metadata-scenedetect
For the master, it'll detect more than 20 scene change for the same source.
Signed-off-by: Limin Wang <lance.lmwang@gmail.com>
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Signed-off-by: Limin Wang <lance.lmwang@gmail.com>
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Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Limin Wang <lance.lmwang@gmail.com>
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Signed-off-by: Marton Balint <cus@passwd.hu>
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the right blending calc is:
(alpha * Frame_2 + (MAX - alpha) * Frame_1 + 512) >> 10
Signed-off-by: Jun Zhao <mypopydev@gmail.com>
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Raises the maximum resolution from 2716x2707 to approximately 4096x4095.
Fixes ticket #6795.
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Fixes CID1396283 and CID1396284
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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also use AVPixFmtDescriptor instead of avcodec_get_chroma_sub_sample()
for log2_chroma*.
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It was source of crashes. Use division instead.
Original patch by author. Log message by comitter.
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Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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