private async Task PlayTrack(int index, long? startPositionTicks)
{
var previousMedia = CurrentMedia;
var previousIndex = CurrentPlaylistIndex;
var endingTicks = CurrentPositionTicks;
var options = CurrentPlayOptions;
var playableItem = await GetPlayableItem(options.Items[index], startPositionTicks, CancellationToken.None);
try
{
var enableMadVr = EnableMadvr(options);
var enableReclock = EnableReclock(options);
InvokeOnPlayerThread(() => _mediaPlayer.Play(playableItem, enableReclock, enableMadVr, false));
}
catch
{
DisposeMount(playableItem);
throw;
}
CurrentPlaylistIndex = index;
if (startPositionTicks.HasValue && startPositionTicks.Value > 0)
{
InvokeOnPlayerThread(() => _mediaPlayer.Seek(startPositionTicks.Value));
}
if (previousMedia != null)
{
var args = new MediaChangeEventArgs
{
Player = this,
NewPlaylistIndex = index,
NewMedia = CurrentMedia,
PreviousMedia = previousMedia,
PreviousPlaylistIndex = previousIndex,
EndingPositionTicks = endingTicks
};
// can't InvokeOnPlayerThread because InvokeRequired returns false
_presentation.MainApplicationWindow.Dispatcher.Invoke
(
() => EventHelper.FireEventIfNotNull(MediaChanged, this, args, _logger)
);
}
}
private void player_MediaChanged(object sender, MediaChangeEventArgs e)
{
NowPlayingItem = e.NewMedia;
}
/// <summary>
/// Handles the MediaChanged event of the _mediaPlayer control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="MediaChangeEventArgs"/> instance containing the event data.</param>
async void _mediaPlayer_MediaChanged(object sender, MediaChangeEventArgs e)
{
if (e.PreviousMedia != null)
{
var info = new PlaybackStopInfo
{
ItemId = e.PreviousMedia.Id,
UserId = _apiClient.CurrentUserId,
PositionTicks = e.EndingPositionTicks
};
try
{
await _apiClient.ReportPlaybackStoppedAsync(info);
}
catch (Exception ex)
{
_logger.ErrorException("Error sending playback stopped checking for {0}", ex, e.PreviousMedia.Name);
}
}
if (e.NewMedia != null)
{
try
{
var queueTypes = _mediaPlayer.CanQueue
? new List<string> { e.NewMedia.MediaType }
: new List<string>();
var info = new PlaybackStartInfo
{
ItemId = e.NewMedia.Id,
UserId = _apiClient.CurrentUserId,
IsSeekable = _mediaPlayer.CanSeek,
QueueableMediaTypes = queueTypes.ToArray()
};
await _apiClient.ReportPlaybackStartAsync(info);
}
catch (Exception ex)
{
_logger.ErrorException("Error sending playback start checking for {0}", ex, e.NewMedia.Name);
}
}
}