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();
}