/// <summary>
/// Adds a WaveProvider as a Mixer input.
/// Must be PCM or IEEE float already
/// </summary>
/// <param name="mixerInput">IWaveProvider mixer input</param>
/*public void AddMixerInput(IWaveProvider mixerInput)
* {
* AddMixerInput(SampleProviderConverters.ConvertWaveProviderIntoSampleProvider(mixerInput));
* }*/
/// <summary>
/// Adds a new mixer input
/// </summary>
/// <param name="mixerInput">Mixer input</param>
public void AddMixerInput(MixerChannel mixerInput)
{
// we'll just call the lock around add since we are protecting against an AddMixerInput at
// the same time as a Read, rather than two AddMixerInput calls at the same time
lock (sources)
{
if (this.sources.Count >= maxInputs)
{
throw new InvalidOperationException("Too many mixer inputs");
}
this.sources.Add(mixerInput);
}
if (this.waveFormat == null)
{
this.waveFormat = mixerInput.sampleProvider.WaveFormat;
}
else
{
if (this.WaveFormat.SampleRate != mixerInput.sampleProvider.WaveFormat.SampleRate ||
this.WaveFormat.Channels != mixerInput.sampleProvider.WaveFormat.Channels)
{
throw new ArgumentException("All mixer inputs must have the same WaveFormat");
}
}
}
// Called when data for any output pin is requested.
public void Evaluate(int SpreadMax)
{
if ((FGain.IsChanged || startUp) && FMix != null)
{
FMix.gainCount = FGain.SliceCount;
for (int i = 0; i < Math.Max(FGain.SliceCount, GainMixingSampleProvider.maxInputs); i++)
{
FMix.gain[i] = FGain[i];
}
if (startUp)
{
startUp = false;
}
}
if (FOutput[0] != this)
{
FMix = new GainMixingSampleProvider(this.WaveFormat);
FMix.ReadFully = true;
FOutput[0] = this;
}
for (int i = 0; i < FInputs.SliceCount; i++)
{
if (FInputs[i].IOObject.IsChanged)
{
FNeedsUpdate = true;
}
}
if (FNeedsUpdate)
{
if (FMix != null)
{
FMix.RemoveAllMixerInputs();
for (int i = 0; i < FInputs.SliceCount; i++)
{
if (FInputs[i].IOObject[0] != null)
{
MixerChannel newChan = new MixerChannel();
newChan.index = i;
newChan.sampleProvider = FInputs[i].IOObject[0];
FMix.AddMixerInput(newChan);
}
}
}
FNeedsUpdate = false;
}
}
/// <summary>
/// Adds a WaveProvider as a Mixer input.
/// Must be PCM or IEEE float already
/// </summary>
/// <param name="mixerInput">IWaveProvider mixer input</param>
/*public void AddMixerInput(IWaveProvider mixerInput)
{
AddMixerInput(SampleProviderConverters.ConvertWaveProviderIntoSampleProvider(mixerInput));
}*/
/// <summary>
/// Adds a new mixer input
/// </summary>
/// <param name="mixerInput">Mixer input</param>
public void AddMixerInput(MixerChannel mixerInput)
{
// we'll just call the lock around add since we are protecting against an AddMixerInput at
// the same time as a Read, rather than two AddMixerInput calls at the same time
lock (sources)
{
if (this.sources.Count >= maxInputs)
{
throw new InvalidOperationException("Too many mixer inputs");
}
this.sources.Add(mixerInput);
}
if (this.waveFormat == null)
{
this.waveFormat = mixerInput.sampleProvider.WaveFormat;
}
else
{
if (this.WaveFormat.SampleRate != mixerInput.sampleProvider.WaveFormat.SampleRate ||
this.WaveFormat.Channels != mixerInput.sampleProvider.WaveFormat.Channels)
{
throw new ArgumentException("All mixer inputs must have the same WaveFormat");
}
}
}
