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ffmpeg.wasm-core
Commit 342bca7f authored by Ronald S. Bultje's avatar Ronald S. Bultje
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vp9: fix integer overflow in 10/12bpp DC-only calculation.

parent 1f7871ec
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libavcodec/vp9dsp_template.c
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...@@ -1131,7 +1131,7 @@ static void type_a##_##type_b##_##sz##x##sz##_add_c(uint8_t *_dst, \ ...@@ -1131,7 +1131,7 @@ static void type_a##_##type_b##_##sz##x##sz##_add_c(uint8_t *_dst, \
\ \
stride /= sizeof(pixel); \ stride /= sizeof(pixel); \
if (has_dconly && eob == 1) { \ if (has_dconly && eob == 1) { \
const int t = (((block[0] * 11585 + (1 << 13)) >> 14) \ const int t = ((((dctint) block[0] * 11585 + (1 << 13)) >> 14) \
* 11585 + (1 << 13)) >> 14; \ * 11585 + (1 << 13)) >> 14; \
block[0] = 0; \ block[0] = 0; \
for (i = 0; i < sz; i++) { \ for (i = 0; i < sz; i++) { \
......
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