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authorMans Rullgard <mans@mansr.com>2011-11-26 14:50:23 +0000
committerMans Rullgard <mans@mansr.com>2011-11-26 18:49:51 +0000
commit171ec812235a5d22fa421242351ee2da5a96c3ba (patch)
tree1b4333bb451876febdf5ee04371dc089ad1c55e9 /libavcodec/rv34.c
parente524eadbf8ac568fcab7fa8f9520fad013beb91a (diff)
downloadffmpeg-171ec812235a5d22fa421242351ee2da5a96c3ba.tar.gz
rv34: fix signed multiplication overflow
Multiply by unsigned 0x01010101 to replicate bytes into 32-bit word. Signed-off-by: Mans Rullgard <mans@mansr.com>
Diffstat (limited to 'libavcodec/rv34.c')
-rw-r--r--libavcodec/rv34.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/rv34.c b/libavcodec/rv34.c
index 091d49fdb5..098f7b5a24 100644
--- a/libavcodec/rv34.c
+++ b/libavcodec/rv34.c
@@ -933,7 +933,7 @@ static void rv34_pred_4x4_block(RV34DecContext *r, uint8_t *dst, int stride, int
if(itype == VERT_LEFT_PRED) itype = VERT_LEFT_PRED_RV40_NODOWN;
}
if(!right && up){
- topleft = dst[-stride + 3] * 0x01010101;
+ topleft = dst[-stride + 3] * 0x01010101u;
prev = (uint8_t*)&topleft;
}
r->h.pred4x4[itype](dst, prev, stride);