public void PreloadNextTrack(Track Track)
{
lock (preloadLock)
{
if (PreloadStream.Track != Track)
{
PreloadStream.Close();
PreloadStream.Dispose();
if (Track != null && Track.ConfirmExists)
{
PreloadStream = new AudioStreamFile(Track,
gainDB + volumeDB,
equalizer,
numEqBands,
equalizerOn,
replayGain);
if (PreloadStream.Frequency < 0)
{
PreloadStream = AudioStream.NullStream;
}
NextTrack = Track;
}
}
}
}
private bool startFileStream(Track Track)
{
try
{
oldStream = Stream;
if ((Track == PreloadStream.Track) || File.Exists(Track.FilePath))
{
PlayingTrack = Track;
totalTime = PlayingTrack.Duration;
if (oldStream != null && oldStream.Frequency != Track.SampleRate && output != null)
{
matchFrequenciesDelayBytes = output.BufferSize * 3 / 2; // factor of 3 to prevent 24 bit meltdown
}
if (Track == PreloadStream.Track)
{
Stream = PreloadStream;
System.Diagnostics.Debug.WriteLine("Preload Track Hit");
}
else
{
Stream = new AudioStreamFile(PlayingTrack,
gainDB + volumeDB,
equalizer,
numEqBands,
equalizerOn,
controller.ReplayGain);
System.Diagnostics.Debug.WriteLine("Preload Track Miss");
if (Stream.Frequency < 0)
{
return(false);
}
}
PreloadStream = AudioStream.NullStream;
Clock.DoOnMainThread(closeOldStream, 1000);
return(true);
}
else
{
return(false);
}
}
catch { return(false); }
}
public void Dispose()
{
try
{
Stop();
System.Threading.Thread.Sleep(250);
if (output != null)
{
output.Kill();
output.Dispose();
}
stream.Close();
stream.Dispose();
stream = AudioStream.NullStream;
preloadStream.Close();
preloadStream.Dispose();
preloadStream = AudioStream.NullStream;
AudioStreamFile.FreeBassPlugins();
AudioStreamFile.UnregisterBASS();
OutputASIO.Unload();
}
catch { }
}
public void DoReplayGainAnalysis()
{
try
{
Controller.ShowMessage("Starting volume leveling analysis...");
List <List <Track> > albums = partitionByAlbum(tracks);
byte[] buffer = new byte[READ_BUFFER_SIZE];
float[] left = new float[READ_BUFFER_SIZE / 4];
float[] right = new float[READ_BUFFER_SIZE / 4];
int numSamples;
foreach (List <Track> album in albums)
{
try
{
if (rga.InitGainAnalysis(album[0].SampleRate))
{
foreach (Track t in album)
{
AudioStream stream = new AudioStreamFile(t, 0, new float[10], 10, false, ReplayGainMode.Off);
while ((numSamples = stream.Read(buffer, 0, READ_BUFFER_SIZE)) > 0)
{
int inputBufferSize = numSamples / 4;
for (int i = 0; i < inputBufferSize; i++)
{
left[i] = AudioStreamBass.from16Bit(buffer[i * 4 + 1] * 0x100 + buffer[i * 4]);
right[i] = AudioStreamBass.from16Bit(buffer[i * 4 + 3] * 0x100 + buffer[i * 4 + 2]);
}
rga.AnalyzeSamples(left, right, inputBufferSize);
if (cancel)
{
callback();
return;
}
}
stream.Close();
t.ReplayGainTrack = rga.GetTrackGain();
numTracksDone++;
Controller.ShowMessage(String.Format("{0}/{1}: Volume analyzed for '{2}'", numTracksDone.ToString(), numTracks.ToString(), t.ToShortString()));
}
float albumGain = rga.GetAlbumGain();
foreach (Track t in album)
{
t.ReplayGainAlbum = albumGain;
}
if (Setting.WriteReplayGainTags)
{
foreach (Track t in album)
{
t.ChangeType |= ChangeType.WriteTags;
}
TrackWriter.AddToUnsavedTracks(album);
TrackWriter.Start();
}
}
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine(ex.ToString());
}
}
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine(ex.ToString());
}
callback();
}