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-rw-r--r--libavcodec/vc1.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/libavcodec/vc1.c b/libavcodec/vc1.c
index 0c6c2026c2..b2a28d92bb 100644
--- a/libavcodec/vc1.c
+++ b/libavcodec/vc1.c
@@ -3849,6 +3849,7 @@ static void vc1_decode_i_blocks(VC1Context *v)
vc1_decode_i_block(v, s->block[k], k, val, (k<4)? v->codingset : v->codingset2);
s->dsp.vc1_inv_trans_8x8(s->block[k]);
+ if(!v->res_fasttx && !v->res_x8) for(j = 0; j < 64; j++) s->block[k][j] -= 16;
if(v->pq >= 9 && v->overlap) {
for(j = 0; j < 64; j++) s->block[k][j] += 128;
}