The result might not fit into 32bit if an image has gigantic
dimensions and one of the planes has a dominant value
(particularly so if said value is big).
Fixes Coverity issues #1598399, #1598401, #1598402, #1598403, #1598404.
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
From Benjamin Bross:
> for ALF where functions are in increments of 4 while 8 should be sufficient according to the spec.
Signed-off-by: Wu Jianhua <toqsxw@outlook.com>
The generally expected behaviour is for software to append from the
current position, not to keep resetting. See also how shell works:
# (foo && bar) > file
...would normally concatenate the output of both commands to file.
If foo seeks like lavf, bar would instead overwrite the output of
foo (possibly not completely).
This reverts commit 5c3d2177e7.
For code such as 'model->model = ov_model' is confusing. We can
just drop the member variable and use cast to get the subclass.
Signed-off-by: Zhao Zhili <zhilizhao@tencent.com>
Reviewed-by: Wenbin Chen <wenbin.chen@intel.com>
Reviewed-by: Guo Yejun <yejun.guo@intel.com>
It will be freed again by ff_dnn_uninit.
Signed-off-by: Zhao Zhili <zhilizhao@tencent.com>
Reviewed-by: Wenbin Chen <wenbin.chen@intel.com>
Reviewed-by: Guo Yejun <yejun.guo@intel.com>
It will be freed again by ff_dnn_uninit.
Signed-off-by: Zhao Zhili <zhilizhao@tencent.com>
Reviewed-by: Wenbin Chen <wenbin.chen@intel.com>
Reviewed-by: Guo Yejun <yejun.guo@intel.com>
This works out a bit more favourably than VP8's due to:
- additional multiplications that can be vectored,
- hardware-supported fixed-point rounding mode.
vp7_luma_dc_wht_c: 3.2
vp7_luma_dc_wht_rvv_i64: 2.0
According to the VVC specification (section 8.5.1), the maximum width/height of a subblock passed for DMVR SAD is 16. This along with previous constraint requiring width * height >= 128 means that 8x16, 16x8, and 16x16 are the only allowed sizes.
This changes check_vvc_sad() to only test and benchmark those sizes.
According to the VVC specification (section 8.5.1), the maximum width/height of a subblock passed for DMVR SAD is 16. This along with previous constraint requiring width * height >= 128 means that 8x16, 16x8, and 16x16 are the only allowed sizes. This re-labels vvc_sad_16_128 to vvc_sad_16 to reflect this and adds a comment about the block size constraints. There's no functionality change.
If there are missing references, h264 decode does error concealment
by copying previous refs which means there will be duplicated surfaces.
Check long_ref and frame_idx in addition to surface when looking for
the other field to avoid trying to merge with wrong picture.
Also allow to merge with multiple pictures in case there are duplicates
of the other field.
Signed-off-by: David Rosca <nowrep@gmail.com>
Signed-off-by: Haihao Xiang <haihao.xiang@intel.com>
When there are multiple tiles in one slice buffer, use multiple slice
params to avoid sending the same slice buffer multiple times and thus
increasing the bitstream size the driver will need to upload to hw.
Reviewed-by: Neal Gompa <ngompa13@gmail.com>
Signed-off-by: David Rosca <nowrep@gmail.com>
Signed-off-by: Haihao Xiang <haihao.xiang@intel.com>
MFX_FRAMETYPE_IDR is ORed to the frame type for AVC and HEVC keyframes,
and MFX_FRAMETYPE_I is taken as keyframe flag for other codecs when
getting the output surface from the SDK, hence we may mark the output
frame as keyframe accordingly.
Signed-off-by: Haihao Xiang <haihao.xiang@intel.com>
This saves one instruction and frees up A5, which will be repurposed in
later changes. Unfortunately, we need to add quite a lot of alternative
code for this.
The H.265 specification is quite clear on this case:
> When min_display_mastering_luminance is not in the range of 1 to
> 50000, the nominal maximum display luminance of the mastering display
> is unknown or unspecified or specified by other means not specified in
> this Specification.
And so the current code is correct in marking luminance data as invalid
if min luminance is set to 0. However, this breaks playback of at least
several real-world Blu-ray releases, for example La La Land, Planet of
the Apes, and quite possibly a lot more. These come with ostensibly
valid max_luminance tags (1000 nits), but min_luminance set to 0.
Loosen up this requirement by guarding it behind FF_COMPLIANCE_STRICT.
We still reject blatantly invalid metadata (wrong value range on
luminance, max set to 0, max below min, min above 50 nits etc.), so this
shouldn't cause any unintended regressions.
Fixes: https://github.com/mpv-player/mpv/issues/14177
It may be invalidated by the time it is used.
Fixes use after free when accessing current segment.
Fixes: #10825
Signed-off-by: J. Dekker <jdek@itanimul.li>
Fixes: CID1435166 Unused value
Fixes: CID1529221 Unused value
Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This will not error but the API allows errors so we should check it
Fixes: CID1489999 Unchecked return value
Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This will not overflow for normal values
Fixes: CID1500280 Unintentional integer overflow
Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Andreas Rheinhardt
James Almer
Wu Jianhua
Pierre-Anthony Lemieux
Shiyou Yin
sunyuechi
Rémi Denis-Courmont
Zhao Zhili
Stone Chen
David Rosca
Haihao Xiang
Niklas Haas
Kacper Michajłow
Michael Niedermayer