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authorRémi Denis-Courmont <remi@remlab.net>2024-06-27 21:21:29 +0300
committerRémi Denis-Courmont <remi@remlab.net>2024-06-30 19:02:32 +0300
commit349c49fd1bc5ae2d81ea8d93e0b31823fe8b2c59 (patch)
treecbee02747e2541756c8d7abad697ca57f796b373 /presets
parent2c900d4c11199561673cbffadeebb5cff62a7d8c (diff)
downloadffmpeg-349c49fd1bc5ae2d81ea8d93e0b31823fe8b2c59.tar.gz
lavc/vc1dsp: fix overflow in R-V V inv_trans_8
The last set of additions/subtractions can break the 16-bit limit, and require 17 bits of precision. This uses widening adds accordingly to fix the MSS2 FATE tests. The problem potentially also affects inv_trans_4 with a very low probability, but this is not reproducible under FATE.
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