| Commit message (Collapse) | Author | Age | Files | Lines |
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Signed-off-by: Josh de Kock <josh@itanimul.li>
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grainextract
grainmerge
average
extremity
negation
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duplication between 8bit and 16 bit version
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PSEUDOPAL pixel formats are not paletted, but carried a palette with the
intention of allowing code to treat unpaletted formats as paletted. The
palette simply mapped the byte values to the resulting RGB values,
making it some sort of LUT for RGB conversion.
It was used for 1 byte formats only: RGB4_BYTE, BGR4_BYTE, RGB8, BGR8,
GRAY8. The first 4 are awfully obscure, used only by some ancient bitmap
formats. The last one, GRAY8, is more common, but its treatment is
grossly incorrect. It considers full range GRAY8 only, so GRAY8 coming
from typical Y video planes was not mapped to the correct RGB values.
This cannot be fixed, because AVFrame.color_range can be freely changed
at runtime, and there is nothing to ensure the pseudo palette is
updated.
Also, nothing actually used the PSEUDOPAL palette data, except xwdenc
(trivially changed in the previous commit). All other code had to treat
it as a special case, just to ignore or to propagate palette data.
In conclusion, this was just a very strange old mechnaism that has no
real justification to exist anymore (although it may have been nice and
useful in the past). Now it's an artifact that makes the API harder to
use: API users who allocate their own pixel data have to be aware that
they need to allocate the palette, or FFmpeg will crash on them in
_some_ situations. On top of this, there was no API to allocate the
pseuo palette outside of av_frame_get_buffer().
This patch not only deprecates AV_PIX_FMT_FLAG_PSEUDOPAL, but also makes
the pseudo palette optional. Nothing accesses it anymore, though if it's
set, it's propagated. It's still allocated and initialized for
compatibility with API users that rely on this feature. But new API
users do not need to allocate it. This was an explicit goal of this
patch.
Most changes replace AV_PIX_FMT_FLAG_PSEUDOPAL with FF_PSEUDOPAL. I
first tried #ifdefing all code, but it was a mess. The FF_PSEUDOPAL
macro reduces the mess, and still allows defining FF_API_PSEUDOPAL to 0.
Passes FATE with FF_API_PSEUDOPAL enabled and disabled. In addition,
FATE passes with FF_API_PSEUDOPAL set to 1, but with allocation
functions manually changed to not allocating a palette.
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avdevice_register_all() is still required to register devices into
lavf (this is required due to lavd being somewhat of a hack).
Signed-off-by: Josh de Kock <josh@itanimul.li>
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And fix the entry in doc/APIchanges
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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and use it if fade == 0.
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Fixes ticket #6967
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Fixes: out of array access
Found-by: Kira <kira_cxy@foxmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Signed-off-by: Josh de Kock <josh@itanimul.li>
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Signed-off-by: Paul B Mahol <onemda@gmail.com>
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Fixes ticket #6968
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0 is a valid value for silence_start
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In mono mode, silence is detected in any single channel instead of all
of them simultaneously
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Fixes parsing of expressions like c0=c0+c0 or c0=c0|c0=c1. Previously no
error was thrown and for input channels, only the last gain factor was used,
for output channels the source channel gains were combined.
Signed-off-by: Marton Balint <cus@passwd.hu>
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Fixes Coverity CID 1430382.
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The output frame size is larger than the image containing a subsampled
plane - use the actual size of the image being written rather than the
dimensions of the intended output frame.
Reviewed-by: Dylan Fernando <dylanf123@gmail.com>
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Behaves like existing convolution filter.
Signed-off-by: Mark Thompson <sw@jkqxz.net>
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Signed-off-by: Paul B Mahol <onemda@gmail.com>
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Signed-off-by: Paul B Mahol <onemda@gmail.com>
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Signed-off-by: Paul B Mahol <onemda@gmail.com>
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defaults
Signed-off-by: Paul B Mahol <onemda@gmail.com>
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So user can pick which channels to extract.
Signed-off-by: Paul B Mahol <onemda@gmail.com>
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Behaves like the existing avgblur filter, except working on OpenCL
hardware frames. Takes exactly the same options.
Signed-off-by: Mark Thompson <sw@jkqxz.net>
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The intended target is OpenCL 1.2, so disable warnings for APIs deprecated
after that. This primarily applies to clCreateCommandQueue(), we can't use
the replacement clCreateCommandQueueWithProperties() because it was
introduced in OpenCL 2.0.
Also remove some unnecessary includes from overlay and program filters so
that the define is available at the right moment.
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Add a new function to find the global work size given the output image and
the required block alignment, then use it in the overlay, program and unsharp
filters. Fixes the overlay and unsharp filters applying the kernel to
locations outside the frame when subsampled planes are present.
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This makes output more visible when overlayed.
Signed-off-by: Paul B Mahol <onemda@gmail.com>
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Signed-off-by: Paul B Mahol <onemda@gmail.com>
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Also use macros for xflat and aflat mode.
Signed-off-by: Paul B Mahol <onemda@gmail.com>
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Do this for every frame to make sure dynamic filters do not
cause crashes.
Fixes ticket #7078.
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Signed-off-by: Paul B Mahol <onemda@gmail.com>
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Signed-off-by: Paul B Mahol <onemda@gmail.com>
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Fixes fate on big-endian.
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Since the config_props function now references both the input and output
links, rename the 'link' variable to 'outlink'.
Fix up some mismatching indentation.
Don't bother setting the width and height on the outlink; the filter
framework does that for us.
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The old version of the filter had a problem where it would queue up
all of the duplicate frames required to fill a timestamp gap in a
single call to filter_frame. In problematic files - I've hit this in
webcam streams with large gaps due to network issues - this will queue
up a potentially huge number of frames. (I've seen it trigger the Linux
OOM-killer on particularly large pts gaps.)
This revised version of the filter using the activate callback will
generate at most 1 frame each time it is called.
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Fixes #7072.
Signed-off-by: Paul B Mahol <onemda@gmail.com>
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Fixes #7050.
Signed-off-by: Paul B Mahol <onemda@gmail.com>
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Reviewed-by: Jun Zhao <mypopydev@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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This patch makes it possible to dinamically close the current segment
and step to the next one by introducing command handling capabilities
into the filter. This new feature is very usefull when working with
real-time sources or live streams as source. Combinig usage with zmqsend
tool you can interactively end the current segment and step to next one.
Signed-off-by: Bela Bodecs <bodecsb@vivanet.hu>
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difference for SSE and AVX2 (x86_64)
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