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vulkan_ffv1: shortcut +-1 coeffs in symbol reading

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Slightly faster, and allows for further optimizations.
This commit is contained in:
Lynne
2025-04-08 05:45:16 +00:00
parent 4d561e6a1e
commit 985a26be28
1 changed files with 4 additions and 1 deletions
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5
libavcodec/vulkan/ffv1_dec.comp
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@ -119,7 +119,10 @@ int get_isymbol(inout RangeCoder c, uint64_t state)
for (e = 0; e < 32; e++)
if (!get_rac(c, state + min(e, 9)))
break;
if (e > 31) {
if (e == 0) {
return get_rac(c, state + 10) ? -1 : 1;
} else if (e > 31) {
corrupt = true;
return 0;
}