diff options
Diffstat (limited to 'libavcodec/msrledec.c')
| -rw-r--r-- | libavcodec/msrledec.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/libavcodec/msrledec.c b/libavcodec/msrledec.c index 7f9adcdce6..b8f5e6246b 100644 --- a/libavcodec/msrledec.c +++ b/libavcodec/msrledec.c @@ -167,7 +167,8 @@ static int msrle_decode_8_16_24_32(AVCodecContext *avctx, AVPicture *pic, int de continue; } // Copy data - if (output + p2 * (depth >> 3) > output_end) { + if ((pic->linesize[0] > 0 && output + p2 * (depth >> 3) > output_end) + ||(pic->linesize[0] < 0 && output + p2 * (depth >> 3) < output_end)) { src += p2 * (depth >> 3); continue; } @@ -211,7 +212,8 @@ static int msrle_decode_8_16_24_32(AVCodecContext *avctx, AVPicture *pic, int de src += 4; break; } - if (output + p1 * (depth >> 3) > output_end) + 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){ |