matroskadec: seek to the last position known in the index before resorting to

full cluster parsing when seeking after the end of index

Originally committed as revision 14994 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Aurelien Jacobs 2008-08-27 19:57:42 +00:00
parent 2f7c21b717
commit 6bef5f9b96

View File

@ -1655,11 +1655,15 @@ static int matroska_read_seek(AVFormatContext *s, int stream_index,
if (timestamp < 0)
timestamp = 0;
if ((index = av_index_search_timestamp(st, timestamp, flags)) < 0) {
if (st->nb_index_entries)
url_fseek(s->pb, st->index_entries[st->nb_index_entries-1].pos, SEEK_SET);
while ((index = av_index_search_timestamp(st, timestamp, flags)) < 0) {
matroska_clear_queue(matroska);
if (matroska_parse_cluster(matroska) < 0)
break;
}
}
matroska_clear_queue(matroska);
if (index < 0)