i263: skip dummy frames

Intel i263 codec has special 8-byte dummy frames that should not be decoded,
so do not even attempt to decode them and skip them instead.

Signed-off-by: Kostya Shishkov <kostya.shishkov@gmail.com>
This commit is contained in:
Dirk Ausserhaus 2014-06-18 10:01:52 +02:00 committed by Kostya Shishkov
parent e74433a8e6
commit b2290bf10b
1 changed files with 4 additions and 0 deletions

View File

@ -26,6 +26,10 @@ int ff_intel_h263_decode_picture_header(MpegEncContext *s)
{
int format;
if (get_bits_left(&s->gb) == 64) { /* special dummy frames */
return FRAME_SKIPPED;
}
/* picture header */
if (get_bits_long(&s->gb, 22) != 0x20) {
av_log(s->avctx, AV_LOG_ERROR, "Bad picture start code\n");