mirror of https://github.com/AxioDL/boo.git
141 lines
3.6 KiB
C++
141 lines
3.6 KiB
C++
#ifndef BOO_AUDIOMATRIX_HPP
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#define BOO_AUDIOMATRIX_HPP
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#include "boo/audiodev/IAudioVoice.hpp"
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#include <vector>
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#include <stdint.h>
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#include <limits.h>
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#if __SSE__
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#include <xmmintrin.h>
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#endif
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namespace boo
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{
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struct AudioVoiceEngineMixInfo;
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static inline int16_t Clamp16(float in)
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{
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if (in < SHRT_MIN)
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return SHRT_MIN;
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else if (in > SHRT_MAX)
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return SHRT_MAX;
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return in;
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}
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static inline int32_t Clamp32(float in)
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{
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if (in < INT_MIN)
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return INT_MIN;
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else if (in > INT_MAX)
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return INT_MAX;
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return in;
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}
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static inline float ClampFlt(float in)
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{
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if (in < -1.f)
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return -1.f;
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else if (in > 1.f)
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return 1.f;
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return in;
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}
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class AudioMatrixMono
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{
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union Coefs
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{
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float v[8];
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#if __SSE__
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__m128 q[2];
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__m64 d[4];
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#endif
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};
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Coefs m_coefs = {};
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Coefs m_oldCoefs = {};
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size_t m_slewFrames = 0;
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size_t m_curSlewFrame = 0;
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public:
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AudioMatrixMono() {setDefaultMatrixCoefficients(AudioChannelSet::Stereo);}
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void setDefaultMatrixCoefficients(AudioChannelSet acSet);
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void setMatrixCoefficients(const float coefs[8], size_t slewFrames=0)
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{
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m_slewFrames = slewFrames;
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m_curSlewFrame = 0;
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#if __SSE__
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m_oldCoefs.q[0] = m_coefs.q[0];
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m_oldCoefs.q[1] = m_coefs.q[1];
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m_coefs.q[0] = _mm_loadu_ps(coefs);
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m_coefs.q[1] = _mm_loadu_ps(&coefs[4]);
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#else
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for (int i=0 ; i<8 ; ++i)
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{
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m_oldCoefs.v[i] = m_coefs.v[i];
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m_coefs.v[i] = coefs[i];
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}
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#endif
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}
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int16_t* mixMonoSampleData(const AudioVoiceEngineMixInfo& info,
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const int16_t* dataIn, int16_t* dataOut, size_t samples);
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int32_t* mixMonoSampleData(const AudioVoiceEngineMixInfo& info,
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const int32_t* dataIn, int32_t* dataOut, size_t samples);
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float* mixMonoSampleData(const AudioVoiceEngineMixInfo& info,
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const float* dataIn, float* dataOut, size_t samples);
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};
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class AudioMatrixStereo
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{
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union Coefs
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{
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float v[8][2];
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#if __SSE__
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__m128 q[4];
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__m64 d[8];
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#endif
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};
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Coefs m_coefs = {};
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Coefs m_oldCoefs = {};
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size_t m_slewFrames = 0;
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size_t m_curSlewFrame = 0;
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public:
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AudioMatrixStereo() {setDefaultMatrixCoefficients(AudioChannelSet::Stereo);}
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void setDefaultMatrixCoefficients(AudioChannelSet acSet);
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void setMatrixCoefficients(const float coefs[8][2], size_t slewFrames=0)
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{
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m_slewFrames = slewFrames;
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m_curSlewFrame = 0;
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#if __SSE__
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m_oldCoefs.q[0] = m_coefs.q[0];
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m_oldCoefs.q[1] = m_coefs.q[1];
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m_oldCoefs.q[2] = m_coefs.q[2];
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m_oldCoefs.q[3] = m_coefs.q[3];
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m_coefs.q[0] = _mm_loadu_ps(coefs[0]);
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m_coefs.q[1] = _mm_loadu_ps(coefs[2]);
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m_coefs.q[2] = _mm_loadu_ps(coefs[4]);
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m_coefs.q[3] = _mm_loadu_ps(coefs[6]);
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#else
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for (int i=0 ; i<8 ; ++i)
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{
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m_oldCoefs.v[i][0] = m_coefs.v[i][0];
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m_oldCoefs.v[i][1] = m_coefs.v[i][1];
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m_coefs.v[i][0] = coefs.v[i][0];
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m_coefs.v[i][1] = coefs.v[i][1];
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}
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#endif
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}
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int16_t* mixStereoSampleData(const AudioVoiceEngineMixInfo& info,
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const int16_t* dataIn, int16_t* dataOut, size_t frames);
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int32_t* mixStereoSampleData(const AudioVoiceEngineMixInfo& info,
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const int32_t* dataIn, int32_t* dataOut, size_t frames);
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float* mixStereoSampleData(const AudioVoiceEngineMixInfo& info,
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const float* dataIn, float* dataOut, size_t frames);
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};
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}
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#endif // BOO_AUDIOMATRIX_HPP
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