| Commit message (Collapse) | Author | Age |
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For 422 frames we should not use hard coded 8 to calculate mb size for
uv plane. Chroma shift should be taken into consideration to be
compatiple with different sampling format.
The error is reported by fate test when av_cpu_max_align() return 64
on the platform supporting AVX512. This is a hidden error and it is
exposed after commit 17a59a634c39b00a680c6ebbaea58db95594d13d.
mpeg2enc has a mechanism to reuse frames. When it computes SSE (sum of
squared error) on current mb, reconstructed mb will be wrote to the
previous mb space, so that the memory can be saved. However if the align
is 64, the frame is shared in somewhere else, so the frame cannot be
reused and a new frame to store reconstrued data is created. Because the
height of mb is wrong when compute sse on 422 frame, starting from the
second line of macro block, changed data is read when frame is reused
(we need to read row 16 rather than row 8 if frame is 422), and unchanged
data is read when frame is not reused (a new frame is created so the
original frame will not be changed).
That is why commit 17a59a634c39b00a680c6ebbaea58db95594d13d exposes this
issue, because it add av_cpu_max_align() and this function return 64 on
platform supporting AVX512 which lead to creating a frame in mpeg2enc,
and this lead to the different outputs.
Signed-off-by: Wenbin Chen <wenbin.chen@intel.com>
Signed-off-by: Marton Balint <cus@passwd.hu>
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The file is already present in git and by using it we can perform more tests
without the need of fate samples
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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This avoids confusion with a growing number of vsynth tests
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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something to store in it
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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* commit '8a06794112d02a5707f766b8b38a5d50dfd03898':
mpeg2: add sequence display extension information
Conflicts:
libavcodec/mpeg12enc.c
tests/ref/lavf/gxf
tests/ref/lavf/mxf
tests/ref/lavf/mxf_d10
tests/ref/lavf/ts
tests/ref/seek/lavf-gxf
tests/ref/seek/lavf-mxf
tests/ref/seek/lavf-ts
tests/ref/seek/vsynth2-mpeg2-422
tests/ref/seek/vsynth2-mpeg2-idct-int
tests/ref/seek/vsynth2-mpeg2-ilace
tests/ref/seek/vsynth2-mpeg2-ivlc-qprd
tests/ref/seek/vsynth2-mpeg2-thread
tests/ref/seek/vsynth2-mpeg2-thread-ivlc
tests/ref/vsynth/vsynth1-mpeg2
tests/ref/vsynth/vsynth1-mpeg2-422
tests/ref/vsynth/vsynth1-mpeg2-idct-int
tests/ref/vsynth/vsynth1-mpeg2-ilace
tests/ref/vsynth/vsynth1-mpeg2-ivlc-qprd
tests/ref/vsynth/vsynth1-mpeg2-thread
tests/ref/vsynth/vsynth1-mpeg2-thread-ivlc
tests/ref/vsynth/vsynth2-mpeg2
tests/ref/vsynth/vsynth2-mpeg2-422
tests/ref/vsynth/vsynth2-mpeg2-idct-int
tests/ref/vsynth/vsynth2-mpeg2-ilace
tests/ref/vsynth/vsynth2-mpeg2-ivlc-qprd
tests/ref/vsynth/vsynth2-mpeg2-thread
tests/ref/vsynth/vsynth2-mpeg2-thread-ivlc
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
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Improves compatibility with XDCAM HD formats. It has been set for a long time
in ffmbc.
Reviewed-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: Marton Balint <cus@passwd.hu>
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* commit 'e816034a5fa131b13c4ad87bb0b5065b4f5697c6':
fate-seek: remove use of gnu make 3.82 only private modifier
fate: move vsynth reference files to their own directory
fate: move fate-acodec reference files to their own dir
configure: avplay now depends on avresample
fate: split dependencies for fate-seek tests
Conflicts:
configure
tests/fate/seek.mak
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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