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Diffstat (limited to 'libavcodec/mpegvideo_parser.c')
-rw-r--r--libavcodec/mpegvideo_parser.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/libavcodec/mpegvideo_parser.c b/libavcodec/mpegvideo_parser.c
index 0159421b56..8196ecaecb 100644
--- a/libavcodec/mpegvideo_parser.c
+++ b/libavcodec/mpegvideo_parser.c
@@ -90,8 +90,8 @@ static void mpegvideo_extract_headers(AVCodecParserContext *s,
pc->progressive_sequence = buf[1] & (1 << 3);
avctx->has_b_frames= !(buf[5] >> 7);
- pc->width |=(horiz_size_ext << 12);
- pc->height |=( vert_size_ext << 12);
+ pc->width = (pc->width & 0xFFF) | (horiz_size_ext << 12);
+ pc->height = (pc->height& 0xFFF) | ( vert_size_ext << 12);
bit_rate = (bit_rate&0x3FFFF) | (bit_rate_ext << 18);
if(did_set_size)
ff_set_dimensions(avctx, pc->width, pc->height);