Don't bother processing silent voices

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

View File

@ -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;
}
};
}

View File

@ -125,6 +125,18 @@ size_t AudioVoiceMono::SRCCallback(AudioVoiceMono* ctx, int16_t** data, size_t f
size_t AudioVoiceMono::pumpAndMix16(size_t frames)
{
if (m_sendMatrices.size())
{
for (auto& mtx : m_sendMatrices)
if (mtx.second.isSilent())
return 0;
}
else
{
if (DefaultMonoMtx.isSilent())
return 0;
}
std::vector<int16_t>& scratch16Pre = m_root.m_scratch16Pre;
if (scratch16Pre.size() < frames)
scratch16Pre.resize(frames);
@ -162,6 +174,18 @@ size_t AudioVoiceMono::pumpAndMix16(size_t frames)
size_t AudioVoiceMono::pumpAndMix32(size_t frames)
{
if (m_sendMatrices.size())
{
for (auto& mtx : m_sendMatrices)
if (mtx.second.isSilent())
return 0;
}
else
{
if (DefaultMonoMtx.isSilent())
return 0;
}
std::vector<int32_t>& scratch32Pre = m_root.m_scratch32Pre;
if (scratch32Pre.size() < frames)
scratch32Pre.resize(frames);
@ -199,6 +223,18 @@ size_t AudioVoiceMono::pumpAndMix32(size_t frames)
size_t AudioVoiceMono::pumpAndMixFlt(size_t frames)
{
if (m_sendMatrices.size())
{
for (auto& mtx : m_sendMatrices)
if (mtx.second.isSilent())
return 0;
}
else
{
if (DefaultMonoMtx.isSilent())
return 0;
}
std::vector<float>& scratchFltPre = m_root.m_scratchFltPre;
if (scratchFltPre.size() < frames)
scratchFltPre.resize(frames + 2);
@ -326,6 +362,18 @@ size_t AudioVoiceStereo::SRCCallback(AudioVoiceStereo* ctx, int16_t** data, size
size_t AudioVoiceStereo::pumpAndMix16(size_t frames)
{
if (m_sendMatrices.size())
{
for (auto& mtx : m_sendMatrices)
if (mtx.second.isSilent())
return 0;
}
else
{
if (DefaultMonoMtx.isSilent())
return 0;
}
size_t samples = frames * 2;
std::vector<int16_t>& scratch16Pre = m_root.m_scratch16Pre;
@ -365,6 +413,18 @@ size_t AudioVoiceStereo::pumpAndMix16(size_t frames)
size_t AudioVoiceStereo::pumpAndMix32(size_t frames)
{
if (m_sendMatrices.size())
{
for (auto& mtx : m_sendMatrices)
if (mtx.second.isSilent())
return 0;
}
else
{
if (DefaultMonoMtx.isSilent())
return 0;
}
size_t samples = frames * 2;
std::vector<int32_t>& scratch32Pre = m_root.m_scratch32Pre;
@ -404,6 +464,18 @@ size_t AudioVoiceStereo::pumpAndMix32(size_t frames)
size_t AudioVoiceStereo::pumpAndMixFlt(size_t frames)
{
if (m_sendMatrices.size())
{
for (auto& mtx : m_sendMatrices)
if (mtx.second.isSilent())
return 0;
}
else
{
if (DefaultMonoMtx.isSilent())
return 0;
}
size_t samples = frames * 2;
std::vector<float>& scratchFltPre = m_root.m_scratchFltPre;