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KRDSP abstraction WIP

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This commit is contained in:
Kearwood Gilbert
2017-06-14 14:09:53 -07:00
parent bef32ab528
commit b566949d6f
5 changed files with 40 additions and 11 deletions
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16
kraken/KRAudioManager.cpp
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@@ -274,9 +274,7 @@ void KRAudioManager::renderReverbImpulseResponse(int impulse_response_offset, in
vDSP_fft_zip(m_fft_setup[fft_size_log2 - KRENGINE_AUDIO_BLOCK_LOG2N], &impulse_block_data_complex, 1, fft_size_log2, kFFTDirection_Forward);
vDSP_zvmul(&reverb_sample_data_complex, 1,
&impulse_block_data_complex, 1,
&conv_data_complex, 1, fft_size, 1);
KRDSP::Multiply(&reverb_sample_data_complex, &impulse_block_data_complex, &conv_data_complex, fft_size);
vDSP_fft_zip(m_fft_setup[fft_size_log2 - KRENGINE_AUDIO_BLOCK_LOG2N], &conv_data_complex, 1, fft_size_log2, kFFTDirection_Inverse);
KRDSP::Scale(conv_data_complex.realp, scale, fft_size);
@@ -1648,7 +1646,7 @@ void KRAudioManager::renderHRTF()
memset(hrtf_sample->realp + hrtf_frames, 0, sizeof(float) * hrtf_frames);
memset(hrtf_sample->imagp, 0, sizeof(float) * fft_size);
SplitComplex hrtf_spectral;
KRDSP::SplitComplex hrtf_spectral;
if(m_high_quality_hrtf) {
// High quality, interpolated HRTF
@@ -1666,9 +1664,8 @@ void KRAudioManager::renderHRTF()
for(int i=0; i < 1 /*4 */; i++) {
if(mix[i] > 0.0f) {
KRDSP::SplitComplex hrtf_impulse_sample = getHRTFSpectral(dir[i], channel);
KRDSP::ScaleCopy(hrtf_impulse_sample.realp, mix[i], hrtf_impulse->realp, fft_size);
KRDSP::ScaleCopy(hrtf_impulse_sample.imagp, mix[i], hrtf_impulse->imagp, fft_size);
vDSP_zvadd(hrtf_impulse, 1, hrtf_accum, 1, hrtf_accum, 1, fft_size);
KRDSP::ScaleCopy(&hrtf_impulse_sample, mix[i], hrtf_impulse, fft_size);
KRDSP::Accumulate(hrtf_accum, hrtf_impulse, fft_size);
}
}
} else {
@@ -1681,10 +1678,7 @@ void KRAudioManager::renderHRTF()
vDSP_fft_zip(m_fft_setup[fft_size_log2 - KRENGINE_AUDIO_BLOCK_LOG2N],
hrtf_sample, 1,
fft_size_log2, kFFTDirection_Forward);
vDSP_zvmul(hrtf_sample, 1,
&hrtf_spectral, 1,
hrtf_convolved, 1,
fft_size, 1);
KRDSP::Multiply(hrtf_sample, &hrtf_spectral, hrtf_convolved, fft_size);
vDSP_fft_zip(m_fft_setup[fft_size_log2 - KRENGINE_AUDIO_BLOCK_LOG2N],
hrtf_convolved, 1,
fft_size_log2, kFFTDirection_Inverse);