protected MkvSeekPosition findPosition(TimeSpan ts)
{
MkvSeekPosition res = FindSeekPosition.find(clusters, ts, trackNumber);
Logger.logDebug("{0} findPosition: {1} -> {2} ", typeName, ts, res);
return(res);
}
protected void seekMedia(StreamPosition streamPosition)
{
MkvSeekPosition pos = (MkvSeekPosition)streamPosition;
clusterIndex = pos.cluster;
if (!loadCluster(clusterIndex, false))
{
throw new ApplicationException("Seek failed");
}
blobIndex = pos.blob;
var block = blobs[blobIndex];
lock (clusters.syncRoot)
stream.unpackFrames(ref block, ref laced);
updateTimestamp(block.timestamp);
}
StreamPosition findKeyFrame(MkvSeekPosition pos)
{
SeekPoint search = new SeekPoint(pos.cluster, default);
int idx = Array.BinarySearch(seekIndex, search, seekPointComparer);
if (idx >= 0)
{
return(clusterStartPosition(pos.cluster));
}
idx = ~idx - 1;
if (idx >= 0)
{
return(clusterStartPosition(seekIndex[idx].cluster));
}
return(clusterStartPosition(0));
}
