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ext_tx: fix a signed overflow

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Change-Id: I9a08bc5da1a84c3d4b8fe2d457bb80406c0bc028
This commit is contained in:
Alex Converse
2016-10-03 16:16:24 -07:00
parent 42bc3a9ef3
commit aa77b5168f
1 changed files with 1 additions and 1 deletions
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av1/encoder/dct.c
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@@ -1871,7 +1871,7 @@ void av1_fwd_idtx_c(const int16_t *src_diff, tran_low_t *coeff, int stride,
const int shift = bs < 32 ? 3 : 2; const int shift = bs < 32 ? 3 : 2;
if (tx_type == IDTX) { if (tx_type == IDTX) {
for (r = 0; r < bs; ++r) { for (r = 0; r < bs; ++r) {
for (c = 0; c < bs; ++c) coeff[c] = src_diff[c] << shift; for (c = 0; c < bs; ++c) coeff[c] = src_diff[c] * (1 << shift);
src_diff += stride; src_diff += stride;
coeff += bs; coeff += bs;
} }