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Don't bother processing silent voices

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This commit is contained in:
Jack Andersen
2017-11-27 17:38:02 -10:00
parent b23da43f05
commit b995be262b
2 changed files with 97 additions and 0 deletions
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25
lib/audiodev/AudioMatrix.hpp
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@@ -5,6 +5,7 @@
#include <vector>
#include <stdint.h>
#include <limits.h>
#include <float.h>
#if __SSE__
#include <xmmintrin.h>
@@ -74,6 +75,18 @@ public:
const int32_t* dataIn, int32_t* dataOut, size_t samples);
float* mixMonoSampleData(const AudioVoiceEngineMixInfo& info,
const float* dataIn, float* dataOut, size_t samples);
bool isSilent() const
{
if (m_curSlewFrame < m_slewFrames)
for (int i=0 ; i<8 ; ++i)
if (m_oldCoefs.v[i] > FLT_EPSILON)
return false;
for (int i=0 ; i<8 ; ++i)
if (m_coefs.v[i] > FLT_EPSILON)
return false;
return true;
}
};
class AudioMatrixStereo
@@ -124,6 +137,18 @@ public:
const int32_t* dataIn, int32_t* dataOut, size_t frames);
float* mixStereoSampleData(const AudioVoiceEngineMixInfo& info,
const float* dataIn, float* dataOut, size_t frames);
bool isSilent() const
{
if (m_curSlewFrame < m_slewFrames)
for (int i=0 ; i<8 ; ++i)
if (m_oldCoefs.v[i][0] > FLT_EPSILON || m_oldCoefs.v[i][1] > FLT_EPSILON)
return false;
for (int i=0 ; i<8 ; ++i)
if (m_coefs.v[i][0] > FLT_EPSILON || m_coefs.v[i][1] > FLT_EPSILON)
return false;
return true;
}
};
}