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msrledec: move output pointer test up 

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-01-30 16:33:45 +01:00
parent d8a7c4958e
commit c2992b7053
1 changed files with 3 additions and 3 deletions
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6
libavcodec/msrledec.c
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@ -203,6 +203,9 @@ static int msrle_decode_8_16_24_32(AVCodecContext *avctx, AVPicture *pic,
pos += p2;
} else { //run of pixels
uint8_t pix[3]; //original pixel
if ((pic->linesize[0] > 0 && output + p1 * (depth >> 3) > output_end) ||
(pic->linesize[0] < 0 && output + p1 * (depth >> 3) < output_end))
continue;
switch(depth){
case 8: pix[0] = bytestream2_get_byte(gb);
break;
@ -215,9 +218,6 @@ static int msrle_decode_8_16_24_32(AVCodecContext *avctx, AVPicture *pic,
case 32: pix32 = bytestream2_get_le32(gb);
break;
}
if ((pic->linesize[0] > 0 && output + p1 * (depth >> 3) > output_end) ||
(pic->linesize[0] < 0 && output + p1 * (depth >> 3) < output_end))
continue;
for(i = 0; i < p1; i++) {
switch(depth){
case 8: *output++ = pix[0];