If the current stage reports an error, some variables may not be correctly initialized.
Scheduling the next stage could lead to the use of uninitialized variables.
According to section 6.3.3 "Spatial or component-wise partitionings,"
CTUs should fully cover slices with no overlaps, gaps, or additions.
No overlaps are ensured by task_init_parse.
No gaps and no additions are ensured by this patch.
Co-authored-by: Frank Plowman <post@frankplowman.com>
According to section 6.3.3, 'Spatial or component-wise partitionings,'
Subpictures must cover the entire picture.
Therefore, the total number of subpicture slices should equal the number of picture slices
Co-authored-by: Frank Plowman <post@frankplowman.com>
There are another three cavs_vector variables, ff_cavs_dir_mv,
ff_cavs_intra_mv and un_mv. They don't need align to 8.
Signed-off-by: Zhao Zhili <zhilizhao@tencent.com>
SAN FRME objects specify width/height as well as offsets from top/left.
These offsets need to be taken into account for the diff buffers
as well. Fixes playback of all SAN videos of "Shadows of the Empire",
which have a constant top offset of 60 (640x272 video on a 640x480 window)
and show tons of ghosting and block artifacts.
Signed-off-by: Manuel Lauss <manuel.lauss@gmail.com>
Signed-off-by: Anton Khirnov <anton@khirnov.net>
The codec47 header provides colors to use to clear the
2 difference buffers. This fixes artifacts (black hair, faces) in
Curse of Monkey Island "CURSERNG.SAN" video.
Signed-off-by: Manuel Lauss <manuel.lauss@gmail.com>
Signed-off-by: Anton Khirnov <anton@khirnov.net>
Outlaws' RAE.SAN file did not properly fade out in certain scenes,
but simply turned to black as soon as the first XPAL chunk with
the apply command was encountered.
Signed-off-by: Manuel Lauss <manuel.lauss@gmail.com>
Signed-off-by: Anton Khirnov <anton@khirnov.net>
Some codec47 frames come with an interpolation table:
Combining 2 adjacent pixels into a 16bit value, this value can
then be used as index into the interpolation table to get a new
pixel value. This is used for subcodec 1, which encodes a key-
frame at half width and height, and makes these frame less blocky
appearing.
Signed-off-by: Manuel Lauss <manuel.lauss@gmail.com>
Signed-off-by: Anton Khirnov <anton@khirnov.net>
When RPU is removed EL should also be removed. This only applies to
HEVC as AV1 based Profile 10 does not support EL at all.
Signed-off-by: Gnattu OC <gnattuoc@me.com>
Signed-off-by: Anton Khirnov <anton@khirnov.net>
According to the GL_EXT_buffer_reference spec alignment
"must be a power of two and be greater than or equal to the largest scalar/component type in the block."
This means by using u32vec2 we can drop the requirement alignment from 8 bytes to 4 bytes
and save a pack64 call in reverse8 (though I assume in most ISAs that compiles to nothing)
Allows the vc2 vulkan encoder to function without setting PB_UNALIGNED
If caller wrote a divisible by eight number of bits it would write an extra byte.
Also increment by to_write instead of BUF_BYTES which overly pads the bitstream.
The function is quite important to ensure that the output
is always going to be sufficient, and it can change version to
version, so exposing it makes sense.
This allows the encoder to fully saturate all queues the GPU
has, giving a good 10% in certain cases and resolutions.
This also improves error resilience if an allocation fails,
and properly cleans up after itself if it does.
The current parser does things which a parser should not, like skipping parts
of the packet header, but it does not actually able to packetize a raw DNXUC
bitstream.
Rework the parser logic to work similar to other parsers and be able to
correctly packetize raw DNXUC bitstreams.
Bump minor version because the DNXUC codec packet format changes with this.
Normally this would be a breaking change, but in this particular case it should
not cause any issues in practice because the DNXUC codec is relatively new and
we never added a decoder for it.
Signed-off-by: Marton Balint <cus@passwd.hu>
This is an experimental and research codec of which ffmpeg is the only
encoder and decoder, development has stalled since 2013 and these files
don't exist in the wild.
Deprecate the encoders to be removed next major bump, decoders to be
removed one bump afterwards. We also disable the the encoders by default
in configure, the decoders should be disabled by default next bump.
Signed-off-by: J. Dekker <jdek@itanimul.li>
Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
Ensure downmixed is only set once during init, as it used to be.
Fixes a regression since acbb2777e2.
Fixes ticket #11321
Signed-off-by: James Almer <jamrial@gmail.com>
xHE-AAC is a profile where some frames depend on other key frames, named IPF.
By setting the codec as Intra Only, all frames output by decoders and all
packets output by encoders/demuxers will be unconditionally flaged as
keyframes, which is incorrect.
Should fix ticket #11272.
Signed-off-by: James Almer <jamrial@gmail.com>
Nuo Mi
Zhao Zhili
Manuel LaussandAnton Khirnov
Nicolas GaullierandAnton Khirnov
gnattu via ffmpeg-develandAnton Khirnov
IndecisiveTurtleandLynne
Scott TheisenandMarth64
Sean McGovernandZhao Zhili
Marton Balint
J. DekkerandVittorio Giovara
James Almer
Rémi Denis-Courmont
Michael Niedermayer
Peter Ross