private void PlaySong()
{
PlaybackPercentage = 0.0;
TimePlayed = "0:00";
if (SelectedSong == null)
{
PlaybackSymbol = MdlConstants.SymbolPlay;
return;
}
if (_player.SongPlaybackState != PlaybackState.Stop)
{
_player.Stop();
}
var songfile = FileLocator.FindSongPath(SelectedSong);
try
{
_player.Play(songfile);
PlaybackSymbol = MdlConstants.SymbolPause;
}
catch (Exception)
{
// if the exception was thrown, show message
// and manually set STOP flag in order to not proceed to next song
_player.IsStoppedManually = true;
MessageBox.Show("Sorry, song could not be played");
}
}
/// <summary>
/// Play song currently active in the radio
/// </summary>
public async Task PlayCurrentSong()
{
if (_player.SongPlaybackState != PlaybackState.Stop)
{
_player.Stop();
}
var songpath = FileLocator.FindSongPath(_radio.CurrentSong);
try
{
_player.Play(songpath);
}
catch (Exception)
{
await _radio.MoveToNextSongAsync();
}
}
/// <summary>
/// Same as synchronous version but with async calls to EF
/// </summary>
private async Task <Song> SelectRandomSongAsync(int maxAttempts = 15)
{
var attempts = 0;
Song song;
// keep selecting song randomly until the song file is actually present in the file system...
// ...and while it isn't present in archive of recently played songs and upcoming songs
do
{
if (attempts++ == maxAttempts)
{
return(_songSelector.DefaultSong());
}
song = await _songSelector.SelectSongAsync().ConfigureAwait(false);
}while (SongArchive.Any(s => s.Id == song.Id) || // true, if the archive already contains this song
UpcomingSongs.Any(s => s.Id == song.Id) || // true, if it is already in songlist
song.Id == CurrentSong.Id || // true, if it's currently playing
FileLocator.FindSongPath(song) == ""); // true, if the file with this song doesn't exist
return(song);
}
/// <summary>
/// Play song currently active in the radio
/// </summary>
public void PlayCurrentSong()
{
if (_player.SongPlaybackState != PlaybackState.Stop)
{
_player.Stop();
}
var songpath = FileLocator.FindSongPath(_radio.CurrentSong);
try
{
_player.Play(songpath);
}
//catch (InvalidOperationException)
//{
// some multi-threading issue in debug mode
//}
catch (Exception)
{
_radio.MoveToNextSong();
}
}
public async Task <HttpResponseMessage> Stream()
{
var radioResponse = await client.GetAsync("radio/current");
var songModel = await radioResponse.Content.ReadAsAsync <SongModel>();
var song = new Song
{
Id = songModel.Id,
Name = songModel.Name,
TrackNo = songModel.TrackNo,
Album = new Album
{
Name = songModel.Album,
ReleaseYear = songModel.Year,
Performer = new Performer
{
Name = songModel.Performer
}
},
};
var response = Request.CreateResponse();
response.Content = new PushStreamContent((a, b, c) =>
{
var path = FileLocator.FindSongPath(song);
var audio = new HttpFileStream(path);
audio.WriteToStream(a, b, c);
},
"audio/mpeg");
return(response);
}