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| author | Niklas Haas <git@haasn.dev> | 2023-09-28 22:14:40 +0200 |
|---|---|---|
| committer | Niklas Haas <git@haasn.dev> | 2023-10-03 00:27:14 +0200 |
| commit | 22530ad1cee9002903a5a4302e6b20bd7823c445 (patch) | |
| tree | 54df0e84400f1640b5b92751c203fb927b50ec1b /doc/lexicon | |
| parent | 2b9c6c70e625c8b7a1e0accb89b8e5ebf014cab9 (diff) | |
| download | ffmpeg-22530ad1cee9002903a5a4302e6b20bd7823c445.tar.gz | |
lavc/h274: transpose IDCT
This is mathematically equivalent to what we were doing before, but
gives subtly different results due to rounding (rows first vs columns
first). Doing it this way makes our film grain database generation match
reference implementation and now produces bit-exact outputs in my
testing.
Rename the transposed variables to be a bit less confusing.
Diffstat (limited to 'doc/lexicon')
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