/// <summary>
/// Transfer task. Retrieves data from underlying storage and pushes it down
/// to ESPlayer
/// </summary>
/// <param name="token">CancellationToken</param>
private async Task TransferTask(CancellationToken token)
{
logger.Info($"{streamType}: Transfer task started");
var streamBuffer = streamBufferController.GetStreamBuffer(streamType);
barrier.Reset();
try
{
while (true)
{
var shouldContinue = await ProcessNextPacket(token);
if (!shouldContinue)
{
break;
}
if (!barrier.Reached())
{
continue;
}
var delay = barrier.TimeToNextFrame();
logger.Info(
$"{streamType}: Halted. Buffer {streamBuffer.BufferFill()}% {streamBuffer.CurrentBufferedDuration()} {streamBuffer.BufferTimeRange}");
DelayTransfer(delay, token);
barrier.Reset();
}
}
catch (InvalidOperationException e)
{
logger.Error(e, $"{streamType}: Stream completed");
}
catch (OperationCanceledException)
{
logger.Info($"{streamType}: Transfer cancelled");
}
catch (PacketSubmitException pse)
{
logger.Error(pse, $"{streamType}: Submit Error " + pse.SubmitStatus);
DisableInput();
}
catch (DrmException drme)
{
logger.Error(drme, $"{streamType}: Decrypt Error");
DisableInput();
playbackErrorSubject.OnNext("Playback Error");
}
catch (Exception e)
{
// Dump unhandled exception. Running as a task so they will not be reported.
logger.Error(e, $"{streamType}");
DisableInput();
playbackErrorSubject.OnNext("Playback Error");
}
logger.Info(
$"{streamType}: Terminated. Buffer {streamBuffer.BufferFill()}% {streamBuffer.CurrentBufferedDuration()} {streamBuffer.BufferTimeRange}");
}
