diff options
| -rw-r--r-- | libmpeg2/header.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/libmpeg2/header.c b/libmpeg2/header.c index 2010043359..2df830b39b 100644 --- a/libmpeg2/header.c +++ b/libmpeg2/header.c @@ -272,9 +272,11 @@ static int sequence_display_ext (mpeg2dec_t * mpeg2dec) if (!(buffer[2] & 2)) /* missing marker_bit */ return 1; - sequence->display_width = (buffer[1] << 6) | (buffer[2] >> 2); - sequence->display_height = - ((buffer[2]& 1 ) << 13) | (buffer[3] << 5) | (buffer[4] >> 3); + if( (buffer[1] << 6) | (buffer[2] >> 2) ) + sequence->display_width = (buffer[1] << 6) | (buffer[2] >> 2); + if( ((buffer[2]& 1 ) << 13) | (buffer[3] << 5) | (buffer[4] >> 3) ) + sequence->display_height = + ((buffer[2]& 1 ) << 13) | (buffer[3] << 5) | (buffer[4] >> 3); return 0; } |