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authorNiklas Haas <git@haasn.dev>2023-09-28 22:14:40 +0200
committerNiklas Haas <git@haasn.dev>2023-10-03 00:27:14 +0200
commit22530ad1cee9002903a5a4302e6b20bd7823c445 (patch)
tree54df0e84400f1640b5b92751c203fb927b50ec1b /libavformat/fwse.c
parent2b9c6c70e625c8b7a1e0accb89b8e5ebf014cab9 (diff)
downloadffmpeg-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 'libavformat/fwse.c')
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