private void ExitSyncBuffering(MediaType main, MediaType[] all, CancellationToken ct)
{
// Don't exit syc-buffering if we are not in syncbuffering
if (!MediaCore.IsSyncBuffering)
{
return;
}
// Detect if an exit from Sync Buffering is required
var canExitSyncBuffering = MediaCore.Blocks[main].Count > 0;
var mustExitSyncBuffering =
ct.IsCancellationRequested ||
MediaCore.HasDecodingEnded ||
Container.IsAtEndOfStream ||
State.HasMediaEnded ||
Commands.HasPendingCommands ||
HasDisconnectedClocks;
try
{
if (mustExitSyncBuffering)
{
this.LogDebug(Aspects.ReadingWorker, $"SYNC-BUFFER: 'must exit' condition met.");
return;
}
if (!canExitSyncBuffering)
{
return;
}
foreach (var t in all)
{
if (t == MediaType.Subtitle || t == main)
{
continue;
}
// We don't want to consider sync-buffer on attached pictures
if (Container.Components[t].IsStillPictures)
{
continue;
}
// If we don't have data on the t component beyond the mid time of the main
// we can't exit sync-buffering.
if (MediaCore.Blocks[t].RangeEndTime < MediaCore.Blocks[main].RangeMidTime)
{
canExitSyncBuffering = false;
break;
}
}
}
finally
{
// Exit sync-buffering state if we can or we must
if (mustExitSyncBuffering || canExitSyncBuffering)
{
AlignClocksToPlayback(main, all);
MediaCore.SignalSyncBufferingExited();
}
}
}
/// <inheritdoc />
protected override void OnDisposing()
{
// Reset the state to non-sync-buffering
MediaCore.SignalSyncBufferingExited();
}