internal static WaveSampleMixer CreateWaveSampleMixer(SoundChannelAssignment[] assignments)
{
if (assignments.Length < 2 ||
(assignments[0] == SoundChannelAssignment.Left && assignments[1] == SoundChannelAssignment.Right))
return new AsIsWaveSampleMixer();
else if(assignments.Length == 2)
{
if (assignments[0] == SoundChannelAssignment.Difference && assignments[1] == SoundChannelAssignment.Right)
return new RightSideWaveSampleMixer();
else if (assignments[0] == SoundChannelAssignment.Left && assignments[1] == SoundChannelAssignment.Difference)
return new LeftSideWaveSampleMixer();
else if (assignments[0] == SoundChannelAssignment.Average && assignments[1] == SoundChannelAssignment.Difference)
return new AverageWaveSampleMixer();
}
throw new NotSupportedException();
}
public FlacMethodAndDataPair FindBestMethod(int[] channelSamples, SoundChannelAssignment channelAssigment)
{
if (channelSamples == null)
{
throw new ArgumentNullException("channelSamples");
}
if (channelSamples.Length == 0)
{
throw new ArgumentException("channelSamples has to have at least one item");
}
int channelBitsPerSample = Streaminfo.BitsPerSample;
if (channelAssigment == SoundChannelAssignment.Difference)
{
channelBitsPerSample++;
}
return(new FlacMethodAndDataPair(
estimator.FindBestMethod(channelSamples, channelBitsPerSample),
channelBitsPerSample, channelSamples));
}
public FlacMethodAndDataPair FindBestMethod(int[] channelSamples, SoundChannelAssignment channelAssigment)
{
if (channelSamples == null) throw new ArgumentNullException("channelSamples");
if (channelSamples.Length == 0) throw new ArgumentException("channelSamples has to have at least one item");
int channelBitsPerSample = Streaminfo.BitsPerSample;
if (channelAssigment == SoundChannelAssignment.Difference)
channelBitsPerSample++;
return new FlacMethodAndDataPair(
estimator.FindBestMethod(channelSamples, channelBitsPerSample),
channelBitsPerSample, channelSamples);
}
