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snow: fix signed overflow in byte to 32-bit replication
Signed-off-by: Mans Rullgard <mans@mansr.com>
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@ -290,8 +290,8 @@ static void mc_block(Plane *p, uint8_t *dst, const uint8_t *src, int stride, int
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void ff_snow_pred_block(SnowContext *s, uint8_t *dst, uint8_t *tmp, int stride, int sx, int sy, int b_w, int b_h, BlockNode *block, int plane_index, int w, int h){
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if(block->type & BLOCK_INTRA){
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int x, y;
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const int color = block->color[plane_index];
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const int color4= color*0x01010101;
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const unsigned color = block->color[plane_index];
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const unsigned color4 = color*0x01010101;
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if(b_w==32){
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for(y=0; y < b_h; y++){
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*(uint32_t*)&dst[0 + y*stride]= color4;
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