protected virtual void Add(BassOutputStream stream)
{
if (!FileSystemHelper.IsLocalPath(stream.FileName))
{
return;
}
if (BassUtils.GetChannelDsdRaw(stream.ChannelHandle))
{
return;
}
var gain = default(float);
var peak = default(float);
var mode = default(ReplayGainMode);
if (!this.TryGetReplayGain(stream, out gain, out mode))
{
if (this.OnDemand)
{
//TODO: Bad .Result
using (var duplicated = this.Output.Duplicate(stream).Result as BassOutputStream)
{
if (duplicated == null)
{
Logger.Write(this, LogLevel.Warn, "Failed to duplicate stream for file \"{0}\", cannot calculate.", stream.FileName);
return;
}
if (!this.TryCalculateReplayGain(duplicated, out gain, out peak, out mode))
{
return;
}
}
this.Dispatch(() => this.UpdateMetaData(stream, gain, peak, mode));
}
else
{
return;
}
}
var effect = new ReplayGainEffect(stream.ChannelHandle, gain, mode);
effect.Activate();
this.Effects.Add(stream, effect);
}
protected virtual bool TryCalculateReplayGain(BassOutputStream stream, out float gain, out float peak, out ReplayGainMode mode)
{
Logger.Write(this, LogLevel.Debug, "Attempting to calculate track replay gain for file \"{0}\".", stream.FileName);
try
{
var info = default(ReplayGainInfo);
if (BassReplayGain.Process(stream.ChannelHandle, out info))
{
Logger.Write(this, LogLevel.Debug, "Calculated track replay gain for file \"{0}\": {1}dB", stream.FileName, ReplayGainEffect.GetVolume(info.gain));
gain = info.gain;
peak = info.peak;
mode = ReplayGainMode.Track;
return(true);
}
else
{
Logger.Write(this, LogLevel.Warn, "Failed to calculate track replay gain for file \"{0}\".", stream.FileName);
}
}
catch (Exception e)
{
Logger.Write(this, LogLevel.Warn, "Failed to calculate track replay gain for file \"{0}\": {1}", stream.FileName, e.Message);
}
gain = 0;
peak = 0;
mode = ReplayGainMode.None;
return(false);
}