public Task SendPlaystateCommand(PlaystateRequest command, CancellationToken cancellationToken)
{
switch (command.Command)
{
case PlaystateCommand.Stop:
Playlist.Clear();
return(_device.SetStop());
case PlaystateCommand.Pause:
return(_device.SetPause());
case PlaystateCommand.Unpause:
return(_device.SetPlay());
case PlaystateCommand.Seek:
var playlistItem = Playlist.FirstOrDefault(p => p.PlayState == 1);
if (playlistItem != null && playlistItem.Transcode && playlistItem.IsVideo && _currentItem != null)
{
var newItem = CreatePlaylistItem(_currentItem, command.SeekPositionTicks ?? 0, GetServerAddress());
playlistItem.StartPositionTicks = newItem.StartPositionTicks;
playlistItem.StreamUrl = newItem.StreamUrl;
playlistItem.Didl = newItem.Didl;
return(_device.SetAvTransport(playlistItem.StreamUrl, playlistItem.DlnaHeaders, playlistItem.Didl));
}
return(_device.Seek(TimeSpan.FromTicks(command.SeekPositionTicks ?? 0)));
case PlaystateCommand.NextTrack:
_currentItem = null;
return(SetNext());
case PlaystateCommand.PreviousTrack:
_currentItem = null;
return(SetPrevious());
}
return(Task.FromResult(true));
}
private async Task SeekAfterTransportChange(long positionTicks)
{
const int maxWait = 15000000;
const int interval = 500;
var currentWait = 0;
while (_device.TransportState != TRANSPORTSTATE.PLAYING && currentWait < maxWait)
{
await Task.Delay(interval).ConfigureAwait(false);
currentWait += interval;
}
await _device.Seek(TimeSpan.FromTicks(positionTicks)).ConfigureAwait(false);
}
private async Task Seek(long newPosition)
{
var media = _device.CurrentMediaInfo;
if (media != null)
{
var info = StreamParams.ParseFromUrl(media.Url, _libraryManager, _mediaSourceManager);
if (info.Item != null && !info.IsDirectStream)
{
var user = _session.UserId.HasValue ? _userManager.GetUserById(_session.UserId.Value) : null;
var newItem = CreatePlaylistItem(info.Item, user, newPosition, info.MediaSourceId, info.AudioStreamIndex, info.SubtitleStreamIndex);
await _device.SetAvTransport(newItem.StreamUrl, GetDlnaHeaders(newItem), newItem.Didl).ConfigureAwait(false);
if (newItem.StreamInfo.IsDirectStream)
{
await _device.Seek(TimeSpan.FromTicks(newPosition)).ConfigureAwait(false);
}
return;
}
await _device.Seek(TimeSpan.FromTicks(newPosition)).ConfigureAwait(false);
}
}
