From 171ec812235a5d22fa421242351ee2da5a96c3ba Mon Sep 17 00:00:00 2001 From: Mans Rullgard Date: Sat, 26 Nov 2011 14:50:23 +0000 Subject: [PATCH] rv34: fix signed multiplication overflow Multiply by unsigned 0x01010101 to replicate bytes into 32-bit word. Signed-off-by: Mans Rullgard --- libavcodec/rv34.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) 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); -- 2.11.0