public void AudioFrameUpdate(float[] data, int channels, bool physicsBasedAttenuation, float directMixFraction,
bool directBinauralEnabled, HRTFInterpolation hrtfInterpolation)
{
float distanceAttenuation = (physicsBasedAttenuation) ? directSoundPath.distanceAttenuation : 1f;
directAttnLerp.Set(directSoundPath.occlusionFactor * directMixFraction * distanceAttenuation);
float perSampleIncrement;
int numFrames = data.Length / channels;
float attnFactor = directAttnLerp.Update(out perSampleIncrement, numFrames);
Vector3 directDirection = directSoundPath.direction;
AudioBuffer inputBuffer;
inputBuffer.audioFormat = inputFormat;
inputBuffer.numSamples = data.Length / channels;
inputBuffer.deInterleavedBuffer = null;
inputBuffer.interleavedBuffer = data;
AudioBuffer outputBuffer;
outputBuffer.audioFormat = outputFormat;
outputBuffer.numSamples = data.Length / channels;
outputBuffer.deInterleavedBuffer = null;
outputBuffer.interleavedBuffer = data;
if ((outputFormat.channelLayout == ChannelLayout.Stereo) && directBinauralEnabled)
{
// Apply binaural audio to direct sound.
PhononCore.iplApplyBinauralEffect(directBinauralEffect, inputBuffer, directDirection, hrtfInterpolation,
outputBuffer);
}
else if (outputFormat.channelLayout == ChannelLayout.Custom)
{
// Apply panning fo custom speaker layout.
PhononCore.iplApplyPanningEffect(directCustomPanningEffect, inputBuffer, directDirection, outputBuffer);
}
// Process direct sound occlusion
for (int i = 0, count = 0; i < numFrames; ++i)
{
for (int j = 0; j < channels; ++j, ++count)
{
data[count] *= attnFactor;
}
attnFactor += perSampleIncrement;
}
}
public void AudioFrameUpdate(float[] data, int channels, bool physicsBasedAttenuation, float directMixFraction,
bool directBinauralEnabled, bool applyAirAbsorption, HRTFInterpolation hrtfInterpolation,
OcclusionMode directOcclusionMode, OcclusionMethod directOcclusionMethod)
{
DirectSoundEffectOptions directSoundEffectOptions;
directSoundEffectOptions.applyDistanceAttenuation = physicsBasedAttenuation ? Bool.True : Bool.False;
directSoundEffectOptions.applyAirAbsorption = applyAirAbsorption ? Bool.True : Bool.False;
directSoundEffectOptions.occlusionMode = directOcclusionMode;
AudioBuffer inputBuffer;
inputBuffer.audioFormat = inputFormat;
inputBuffer.numSamples = data.Length / channels;
inputBuffer.deInterleavedBuffer = null;
inputBuffer.interleavedBuffer = data;
AudioBuffer outputBuffer;
outputBuffer.audioFormat = outputFormat;
outputBuffer.numSamples = data.Length / channels;
outputBuffer.deInterleavedBuffer = null;
outputBuffer.interleavedBuffer = data;
for (int i = 0; i < data.Length; i++)
{
data[i] *= directMixFraction;
}
PhononCore.iplApplyDirectSoundEffect(directSoundEffect, inputBuffer, directSoundPath,
directSoundEffectOptions, outputBuffer);
Vector3 directDirection = directSoundPath.direction;
if ((outputFormat.channelLayout == ChannelLayout.Stereo) && directBinauralEnabled)
{
// Apply binaural audio to direct sound.
PhononCore.iplApplyBinauralEffect(directBinauralEffect, outputBuffer, directDirection,
hrtfInterpolation, outputBuffer);
}
else if (outputFormat.channelLayout == ChannelLayout.Custom)
{
// Apply panning fo custom speaker layout.
PhononCore.iplApplyPanningEffect(directCustomPanningEffect, outputBuffer, directDirection,
outputBuffer);
}
}
//
// Applies the Phonon 3D effect to dry audio.
//
void OnAudioFilterRead(float[] data, int channels)
{
mutex.WaitOne();
if (!initialized || destroying)
{
mutex.ReleaseMutex();
Array.Clear(data, 0, data.Length);
return;
}
if (data == null)
{
mutex.ReleaseMutex();
Array.Clear(data, 0, data.Length);
return;
}
float distanceAttenuation = (physicsBasedAttenuation) ? directSoundPath.distanceAttenuation : 1f;
directAttnInterlop.Set(directSoundPath.occlusionFactor * directMixFraction);
float occlusionFactor = directAttnInterlop.Update();
Vector3 directDirection = directSoundPath.direction;
AudioBuffer inputBuffer;
inputBuffer.audioFormat = inputFormat;
inputBuffer.numSamples = data.Length / channels;
inputBuffer.deInterleavedBuffer = null;
inputBuffer.interleavedBuffer = data;
AudioBuffer outputBuffer;
outputBuffer.audioFormat = outputFormat;
outputBuffer.numSamples = data.Length / channels;
outputBuffer.deInterleavedBuffer = null;
outputBuffer.interleavedBuffer = data;
// Input data is sent (where it is copied) for indirect propagation effect processing.
// This data must be sent before applying any other effect to the input audio.
#if !UNITY_ANDROID
if (enableReflections && (wetData != null) && (wetDataMarshal != null) && (wetAmbisonicsDataMarshal != null) && (propagationAmbisonicsEffect != IntPtr.Zero))
{
for (int i = 0; i < data.Length; ++i)
{
wetData[i] = data[i] * indirectMixFraction;
}
AudioBuffer propagationInputBuffer;
propagationInputBuffer.audioFormat = inputFormat;
propagationInputBuffer.numSamples = wetData.Length / channels;
propagationInputBuffer.deInterleavedBuffer = null;
propagationInputBuffer.interleavedBuffer = wetData;
PhononCore.iplSetDryAudioForConvolutionEffect(propagationAmbisonicsEffect, sourcePosition, propagationInputBuffer);
}
#endif
if ((outputFormat.channelLayout == ChannelLayout.Stereo) && directBinauralEnabled)
{
// Apply binaural audio to direct sound.
PhononCore.iplApplyBinauralEffect(directBinauralEffect, inputBuffer, directDirection, hrtfInterpolation, outputBuffer);
}
else if (outputFormat.channelLayout == ChannelLayout.Custom)
{
// Apply panning fo custom speaker layout.
PhononCore.iplApplyPanningEffect(directCustomPanningEffect, inputBuffer, directDirection, outputBuffer);
}
// Process direct sound occlusion
for (int i = 0; i < data.Length; ++i)
{
data[i] *= occlusionFactor * distanceAttenuation;
}
#if !UNITY_ANDROID
if (enableReflections && (wetData != null) && (wetDataMarshal != null) && (wetAmbisonicsDataMarshal != null) && (propagationAmbisonicsEffect != IntPtr.Zero))
{
if (fourierMixingEnabled)
{
phononMixer.processMixedAudio = true;
mutex.ReleaseMutex();
return;
}
AudioBuffer wetAmbisonicsBuffer;
wetAmbisonicsBuffer.audioFormat = ambisonicsFormat;
wetAmbisonicsBuffer.numSamples = data.Length / channels;
wetAmbisonicsBuffer.deInterleavedBuffer = wetAmbisonicsDataMarshal;
wetAmbisonicsBuffer.interleavedBuffer = null;
PhononCore.iplGetWetAudioForConvolutionEffect(propagationAmbisonicsEffect, listenerPosition, listenerAhead, listenerUp, wetAmbisonicsBuffer);
AudioBuffer wetBufferMarshal;
wetBufferMarshal.audioFormat = outputFormat;
wetBufferMarshal.audioFormat.channelOrder = ChannelOrder.Deinterleaved; // Set format to deinterleave.
wetBufferMarshal.numSamples = data.Length / channels;
wetBufferMarshal.deInterleavedBuffer = wetDataMarshal;
wetBufferMarshal.interleavedBuffer = null;
if ((outputFormat.channelLayout == ChannelLayout.Stereo) && indirectBinauralEnabled)
{
PhononCore.iplApplyAmbisonicsBinauralEffect(propagationBinauralEffect, wetAmbisonicsBuffer, wetBufferMarshal);
}
else
{
PhononCore.iplApplyAmbisonicsPanningEffect(propagationPanningEffect, wetAmbisonicsBuffer, wetBufferMarshal);
}
AudioBuffer wetBuffer;
wetBuffer.audioFormat = outputFormat;
wetBuffer.numSamples = data.Length / channels;
wetBuffer.deInterleavedBuffer = null;
wetBuffer.interleavedBuffer = wetData;
PhononCore.iplInterleaveAudioBuffer(wetBufferMarshal, wetBuffer);
for (int i = 0; i < data.Length; ++i)
{
data[i] += wetData[i];
}
}
#endif
mutex.ReleaseMutex();
}
