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-rw-r--r--libavcodec/vc1_block.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/libavcodec/vc1_block.c b/libavcodec/vc1_block.c
index fe6b06ff51..20dbf63751 100644
--- a/libavcodec/vc1_block.c
+++ b/libavcodec/vc1_block.c
@@ -1036,10 +1036,10 @@ static int vc1_decode_intra_block(VC1Context *v, int16_t block[64], int n,
if (q2 && q1 != q2) {
if (dc_pred_dir) { // left
for (k = 1; k < 8; k++)
- block[k << v->left_blk_sh] += (ac_val[k] * q2 * ff_vc1_dqscale[q1 - 1] + 0x20000) >> 18;
+ block[k << v->left_blk_sh] += (int)(ac_val[k] * q2 * (unsigned)ff_vc1_dqscale[q1 - 1] + 0x20000) >> 18;
} else { //top
for (k = 1; k < 8; k++)
- block[k << v->top_blk_sh] += (ac_val[k + 8] * q2 * ff_vc1_dqscale[q1 - 1] + 0x20000) >> 18;
+ block[k << v->top_blk_sh] += (int)(ac_val[k + 8] * q2 * (unsigned)ff_vc1_dqscale[q1 - 1] + 0x20000) >> 18;
}
} else {
if (dc_pred_dir) { // left