/// <summary>
/// Parse an E-AC-3 decoder to a renderer.
/// </summary>
public EnhancedAC3Renderer(EnhancedAC3Decoder stream) : base(stream)
{
// Object-based rendering
if (HasObjects = stream.Extensions.HasObjects)
{
ObjectAudioMetadata oamd = stream.Extensions.OAMD;
JointObjectCoding joc = stream.Extensions.JOC;
DynamicObjects = joc.ObjectCount;
finalResult = new float[joc.ObjectCount][];
applier = new JointObjectCodingApplier(joc.ObjectCount, stream.FrameSize);
SetupObjects(oamd.ObjectCount);
}
// Channel-based rendering
else
{
ReferenceChannel[] channels = stream.GetChannels();
for (int channel = 0; channel < channels.Length; ++channel)
{
Source source = new StreamMasterSource(reader, channel)
{
Position = channelPositions[(int)channels[channel]] * Listener.EnvironmentSize
};
objects.Add(source);
}
finalResult = new float[channels.Length][];
FinishSetup(channels.Length);
}
}
/// <summary>
/// Set up the renderer for a number of standard channels.
/// </summary>
protected void SetupChannels(int count)
{
ReferenceChannel[] matrix = ChannelPrototype.GetStandardMatrix(count);
for (int channel = 0; channel < count; ++channel)
{
Source source = new StreamMasterSource(reader, channel)
{
Position = channelPositions[(int)matrix[channel]] * Listener.EnvironmentSize
};
objects.Add(source);
}
FinishSetup(count);
}
