| public CreateMixer ( MediaPortal.MusicPlayer.BASS.MusicStream stream ) : bool | ||
| stream | MediaPortal.MusicPlayer.BASS.MusicStream | |
| return | bool | |
/// <summary>
/// Called to start playback of next files internally, without makinbg use of g_player.
/// This gives us the capability to achieve gapless playback.
/// </summary>
/// <param name="filePath"></param>
private bool PlayInternal(string filePath)
{
if (filePath == string.Empty)
{
return false;
}
// Cue support
if (HandleCueFile(ref filePath, true))
{
return true;
}
_filePath = filePath;
MusicStream stream = new MusicStream(filePath);
if (stream.BassStream == 0)
{
return false;
}
_streams.Add(stream);
if (stream.Filetype.FileMainType == FileMainType.CDTrack)
{
_isCDDAFile = true;
}
else
{
_isCDDAFile = false;
}
if (_mixer == null)
{
_mixer = new MixerStream(this);
_mixer.MusicStreamMessage += OnMusicStreamMessage;
if (!_mixer.CreateMixer(stream))
{
Log.Error("BASS: Could not create Mixer. Aborting playback.");
return false;
}
}
else
{
if (NewMixerNeeded(stream))
{
Log.Debug("BASS: New stream has different number of channels or sample rate. Need a new mixer.");
// Free Mixer
_mixer.Dispose();
_mixer = null;
_mixer = new MixerStream(this);
_mixer.MusicStreamMessage += OnMusicStreamMessage;
if (!_mixer.CreateMixer(stream))
{
Log.Error("BASS: Could not create Mixer. Aborting playback.");
return false;
}
}
}
// Enable events, for various Playback Actions to be handled
stream.MusicStreamMessage += new MusicStream.MusicStreamMessageHandler(OnMusicStreamMessage);
SetCueTrackEndPosition(stream, false);
// Plug in the stream into the Mixer
if (!_mixer.AttachStream(stream))
{
return false;
}
return true;
}
/// <summary>
/// Starts Playback of the given file
/// </summary>
/// <param name="filePath"></param>
/// <returns></returns>
public override bool Play(string filePath)
{
if (!_initialized)
{
return false;
}
MusicStream currentStream = GetCurrentStream();
bool result = true;
Speed = 1; // Set playback Speed to normal speed
try
{
if (currentStream != null && filePath.ToLowerInvariant().CompareTo(currentStream.FilePath.ToLowerInvariant()) == 0)
{
// Selected file is equal to current stream
if (_state == PlayState.Paused)
{
// Resume paused stream
currentStream.ResumePlayback();
result = Bass.BASS_Start();
if (Config.MusicPlayer == AudioPlayer.Asio)
{
result = BassAsio.BASS_ASIO_ChannelReset(false, 0, BASSASIOReset.BASS_ASIO_RESET_PAUSE); // Continue playback of Paused stream
}
else if (Config.MusicPlayer == AudioPlayer.WasApi)
{
BassWasapi.BASS_WASAPI_Start();
}
if (result)
{
_state = PlayState.Playing;
if (PlaybackStateChanged != null)
{
PlaybackStateChanged(this, PlayState.Paused, _state);
}
}
return result;
}
}
else
{
// Cue support
if (HandleCueFile(ref filePath))
{
return true;
}
}
// If we're not Crossfading, we want to stop the current stream at this time
if (currentStream != null && currentStream.IsPlaying)
{
if (!currentStream.IsCrossFading)
{
currentStream.FadeOutStop();
}
}
_state = PlayState.Init;
if (filePath == string.Empty)
{
return result;
}
_filePath = filePath;
MusicStream stream = new MusicStream(filePath);
if (stream.BassStream == 0)
{
return false;
}
_streams.Add(stream);
if (stream.Filetype.FileMainType == FileMainType.CDTrack)
{
_isCDDAFile = true;
}
else
{
_isCDDAFile = false;
}
bool playbackStarted = false;
if (_mixer == null)
{
_mixer = new MixerStream(this);
if (!_mixer.CreateMixer(stream))
{
Log.Error("BASS: Could not create Mixer. Aborting playback.");
return false;
}
// Start a StreamCopy for Visualisation purposes
if (HasViz)
{
_streamcopy.ChannelHandle = _mixer.BassStream;
_streamcopy.Start();
}
}
else
{
if (!_mixer.UpMixing)
{
BASS_CHANNELINFO chinfo = Bass.BASS_ChannelGetInfo(_mixer.BassStream);
if (!_mixer.WasApiShared &&
(chinfo.freq != stream.ChannelInfo.freq || chinfo.chans != stream.ChannelInfo.chans))
{
if (stream.ChannelInfo.freq != _mixer.WasApiMixedFreq ||
stream.ChannelInfo.chans != _mixer.WasApiMixedChans)
{
Log.Debug("BASS: New stream has different number of channels or sample rate. Need a new mixer.");
// The new stream has a different frequency or number of channels
// We need a new mixer
_mixer.Dispose();
_mixer = null;
_mixer = new MixerStream(this);
if (!_mixer.CreateMixer(stream))
{
Log.Error("BASS: Could not create Mixer. Aborting playback.");
return false;
}
if (HasViz)
{
_streamcopy.ChannelHandle = _mixer.BassStream;
}
}
}
}
}
// Enable events, for various Playback Actions to be handled
stream.MusicStreamMessage += new MusicStream.MusicStreamMessageHandler(OnMusicStreamMessage);
SetCueTrackEndPosition(stream);
// Plugin the stream into the Mixer
result = _mixer.AttachStream(stream);
if (Config.MusicPlayer == AudioPlayer.Asio && !BassAsio.BASS_ASIO_IsStarted())
{
BassAsio.BASS_ASIO_Stop();
playbackStarted = BassAsio.BASS_ASIO_Start(0);
}
else if (Config.MusicPlayer == AudioPlayer.WasApi && !BassWasapi.BASS_WASAPI_IsStarted())
{
playbackStarted = BassWasapi.BASS_WASAPI_Start();
}
else
{
if (Bass.BASS_ChannelIsActive(_mixer.BassStream) == BASSActive.BASS_ACTIVE_PLAYING)
{
playbackStarted = true;
}
else
{
playbackStarted = Bass.BASS_ChannelPlay(_mixer.BassStream, false);
}
}
if (stream.BassStream != 0 && playbackStarted)
{
Log.Info("BASS: playback started");
// Slide in the Stream over the Cross fade Interval
stream.SlideIn();
GUIMessage msg = new GUIMessage(GUIMessage.MessageType.GUI_MSG_PLAYBACK_STARTED, 0, 0, 0, 0, 0, null);
msg.Label = _filePath;
GUIWindowManager.SendThreadMessage(msg);
NotifyPlaying = true;
NeedUpdate = true;
_IsFullScreen = GUIGraphicsContext.IsFullScreenVideo;
_VideoPositionX = GUIGraphicsContext.VideoWindow.Left;
_VideoPositionY = GUIGraphicsContext.VideoWindow.Top;
_VideoWidth = GUIGraphicsContext.VideoWindow.Width;
_VideoHeight = GUIGraphicsContext.VideoWindow.Height;
// Re-Add the Viswindow to the Mainform Control (It got removed on a manual Stop)
SetVisualizationWindow();
SetVideoWindow();
PlayState oldState = _state;
_state = PlayState.Playing;
if (oldState != _state && PlaybackStateChanged != null)
{
PlaybackStateChanged(this, oldState, _state);
}
if (PlaybackStart != null)
{
PlaybackStart(this, stream.TotalStreamSeconds);
}
}
else
{
Log.Error("BASS: Unable to play {0}. Reason: {1}.", filePath,
Enum.GetName(typeof(BASSError), Bass.BASS_ErrorGetCode()));
stream.Dispose();
result = false;
}
}
catch (Exception ex)
{
result = false;
Log.Error("BASS: Play caused an exception: {0}.", ex);
}
return result;
}