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Better matrix slewing

This commit is contained in:
Jack Andersen 2018-09-02 14:44:38 -10:00
parent 70b2518751
commit c78afbdcdd
1 changed files with 23 additions and 13 deletions
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36
lib/audiodev/AudioMatrix.hpp
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@ -46,7 +46,7 @@ class AudioMatrixMono
Coefs m_coefs = {};
Coefs m_oldCoefs = {};
size_t m_slewFrames = 0;
size_t m_curSlewFrame = 0;
size_t m_curSlewFrame = ~size_t(0);
public:
AudioMatrixMono() {setDefaultMatrixCoefficients(AudioChannelSet::Stereo);}
@ -54,19 +54,23 @@ public:
void setMatrixCoefficients(const float coefs[8], size_t slewFrames=0)
{
m_slewFrames = slewFrames;
m_curSlewFrame = 0;
#if __SSE__
m_oldCoefs.q[0] = m_coefs.q[0];
m_oldCoefs.q[1] = m_coefs.q[1];
if (m_curSlewFrame != 0)
{
m_oldCoefs.q[0] = m_coefs.q[0];
m_oldCoefs.q[1] = m_coefs.q[1];
}
m_coefs.q[0] = _mm_loadu_ps(coefs);
m_coefs.q[1] = _mm_loadu_ps(&coefs[4]);
#else
for (int i=0 ; i<8 ; ++i)
{
m_oldCoefs.v[i] = m_coefs.v[i];
if (m_curSlewFrame != 0)
m_oldCoefs.v[i] = m_coefs.v[i];
m_coefs.v[i] = coefs[i];
}
#endif
m_curSlewFrame = 0;
}
int16_t* mixMonoSampleData(const AudioVoiceEngineMixInfo& info,
@ -102,7 +106,7 @@ class AudioMatrixStereo
Coefs m_coefs = {};
Coefs m_oldCoefs = {};
size_t m_slewFrames = 0;
size_t m_curSlewFrame = 0;
size_t m_curSlewFrame = ~size_t(0);
public:
AudioMatrixStereo() {setDefaultMatrixCoefficients(AudioChannelSet::Stereo);}
@ -110,12 +114,14 @@ public:
void setMatrixCoefficients(const float coefs[8][2], size_t slewFrames=0)
{
m_slewFrames = slewFrames;
m_curSlewFrame = 0;
#if __SSE__
m_oldCoefs.q[0] = m_coefs.q[0];
m_oldCoefs.q[1] = m_coefs.q[1];
m_oldCoefs.q[2] = m_coefs.q[2];
m_oldCoefs.q[3] = m_coefs.q[3];
if (m_curSlewFrame != 0)
{
m_oldCoefs.q[0] = m_coefs.q[0];
m_oldCoefs.q[1] = m_coefs.q[1];
m_oldCoefs.q[2] = m_coefs.q[2];
m_oldCoefs.q[3] = m_coefs.q[3];
}
m_coefs.q[0] = _mm_loadu_ps(coefs[0]);
m_coefs.q[1] = _mm_loadu_ps(coefs[2]);
m_coefs.q[2] = _mm_loadu_ps(coefs[4]);
@ -123,12 +129,16 @@ public:
#else
for (int i=0 ; i<8 ; ++i)
{
m_oldCoefs.v[i][0] = m_coefs.v[i][0];
m_oldCoefs.v[i][1] = m_coefs.v[i][1];
if (m_curSlewFrame != 0)
{
m_oldCoefs.v[i][0] = m_coefs.v[i][0];
m_oldCoefs.v[i][1] = m_coefs.v[i][1];
}
m_coefs.v[i][0] = coefs.v[i][0];
m_coefs.v[i][1] = coefs.v[i][1];
}
#endif
m_curSlewFrame = 0;
}
int16_t* mixStereoSampleData(const AudioVoiceEngineMixInfo& info,