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 static extern void iplApplyBinauralEffect(IntPtr effect, AudioBuffer inputAudio, Vector3 direction, HRTFInterpolation interpolation, AudioBuffer outputAudio);
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);
}
}
