diff options
| -rw-r--r-- | libhb/stream.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/libhb/stream.c b/libhb/stream.c index 37f1fc3a2..df19423f9 100644 --- a/libhb/stream.c +++ b/libhb/stream.c @@ -1357,6 +1357,21 @@ static int isIframe( hb_stream_t *stream, const uint8_t *buf, int len ) // didn't find an I-frame return 0; } + if ( pes->stream_type == 0x10 || pes->codec_param == AV_CODEC_ID_MPEG4 ) + { + // we have an vc1 stream + for (ii = 0; ii < len-1; ii++) + { + strid = (strid << 8) | buf[ii]; + if ( strid == 0x1b6 ) + { + if ((buf[ii+1] & 0xC0) == 0) + return 1; + } + } + // didn't find an I-frame + return 0; + } // we don't understand the stream type so just say "yes" otherwise // we'll discard all the video. |