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release/0.10
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${ noResults }
7 Commits (874152033d83755928dcf242f5b33d92ee793a2c)
| Author | SHA1 | Message | Date |
|---|---|---|---|
Niklas Haas
|
6225ad5c19 |
avcodec/dovi_rpu{enc,dec}: fix ms_weight handling
The code as written was wrong. In the spec, these fields are treated merely as plain integers in the range 0 to 4095. The only difference between L2 and L8 is that L2.ms_weight also accepts an additional value of -1, hence the extra sign bit. While it's likely that these are still shifted integers in disguise, since all real-world samples seem to use a value of 2048 here, the offset used in the code was wrong. In addition, because the l8.ms_weight struct member is unsigned, these wrong shifting semantics ended up overflowing the field, leading to undefined behavior when transcoding. Fortunately, the damage was relatively contained in practice, because it just corrupts the coding of this field, which is ignored in practice in all implementations I have seen. |
9 months ago |
Michael Niedermayer
|
73d6d9f129
|
avcodec/dovi_rpuenc: fix compaatibility
Fixes: a frequency Found while reviewing: CID1596607 Sponsored-by: Sovereign Tech Fund Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> |
10 months ago |
|
Michael Niedermayer
|
46ad68084e
|
avcodec/dovi_rpuenc: initialize profile
Code is taken from dovi_rpudec Fixes: CID1596604 Uninitialized scalar variable Sponsored-by: Sovereign Tech Fund Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> |
10 months ago |
|
Michael Niedermayer
|
c7075cdb67
|
avcodec/dovi_rpuenc: Initialize bl_compat_id
Fixes: CID1596607 Uninitialized scalar variable Sponsored-by: Sovereign Tech Fund Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> |
10 months ago |
|
Niklas Haas
|
1d89de03d6 |
avcodec/dovi_rpuenc: avoid division by zero
Fixes: https://trac.ffmpeg.org/ticket/10985 |
11 months ago |
|
Niklas Haas
|
3306766608 |
avcodec/dovi_rpuenc: add ff_dovi_rpu_generate()
This function takes a decoded AVDOVIMetadata struct and turns it back into a binary RPU. Verified using existing tools, and matches the bitstream in official reference files. I decided to just roll the EMDF and NAL encapsulation into this function because the end user will need to do it otherwise anyways. |
11 months ago |
|
Niklas Haas
|
f140935005 |
avcodec/dovi_rpuenc: add ff_dovi_configure()
We need to set up the configuration struct appropriately based on the codec type, colorspace metadata, and presence/absence of an EL (though, we currently don't support an EL). When present, we use the signalled RPU data header to help infer (and validate) the right values. Behavior can be controlled by a new DOVIContext.enable flag. |
11 months ago |