133 |
void AudioChannel::CopyTo(AudioChannel* pDst, const uint Samples, const float fLevel) { |
void AudioChannel::CopyTo(AudioChannel* pDst, const uint Samples, const float fLevel) { |
134 |
if (fLevel == 1.0f) CopyTo(pDst, Samples); |
if (fLevel == 1.0f) CopyTo(pDst, Samples); |
135 |
else { |
else { |
136 |
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#ifndef HAVE_GCC_VECTOR_EXTENSIONS |
137 |
float* pSrcBuf = Buffer(); |
float* pSrcBuf = Buffer(); |
138 |
float* pDstBuf = pDst->Buffer(); |
float* pDstBuf = pDst->Buffer(); |
139 |
for (int i = 0; i < Samples; i++) |
for (int i = 0; i < Samples; i++) |
140 |
pDstBuf[i] = pSrcBuf[i] * fLevel; |
pDstBuf[i] = pSrcBuf[i] * fLevel; |
141 |
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#else |
142 |
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const v4sf vcoeff = { fLevel, fLevel, fLevel, fLevel }; |
143 |
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const v4sf* src = static_cast<v4sf*>((void*)Buffer()); |
144 |
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v4sf* dst = static_cast<v4sf*>((void*)pDst->Buffer()); |
145 |
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const int cells = Samples / 4; |
146 |
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for (int i = 0; i < cells; ++i) |
147 |
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dst[i] = src[i] * vcoeff; |
148 |
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#endif |
149 |
} |
} |
150 |
} |
} |
151 |
|
|
157 |
* @param Samples - amount of sample points to be mixed over |
* @param Samples - amount of sample points to be mixed over |
158 |
*/ |
*/ |
159 |
void AudioChannel::MixTo(AudioChannel* pDst, const uint Samples) { |
void AudioChannel::MixTo(AudioChannel* pDst, const uint Samples) { |
160 |
//TODO: there's probably a more efficient way to do this ... |
#ifndef HAVE_GCC_VECTOR_EXTENSIONS |
161 |
float* pSrcBuf = Buffer(); |
float* pSrcBuf = Buffer(); |
162 |
float* pDstBuf = pDst->Buffer(); |
float* pDstBuf = pDst->Buffer(); |
163 |
for (int i = 0; i < Samples; i++) |
for (int i = 0; i < Samples; i++) |
164 |
pDstBuf[i] += pSrcBuf[i]; |
pDstBuf[i] += pSrcBuf[i]; |
165 |
|
#else |
166 |
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const v4sf* src = static_cast<v4sf*>((void*)Buffer()); |
167 |
|
v4sf* dst = static_cast<v4sf*>((void*)pDst->Buffer()); |
168 |
|
const int cells = Samples / 4; |
169 |
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for (int i = 0; i < cells; ++i) |
170 |
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dst[i] += src[i]; |
171 |
|
#endif |
172 |
} |
} |
173 |
|
|
174 |
/** |
/** |
183 |
void AudioChannel::MixTo(AudioChannel* pDst, const uint Samples, const float fLevel) { |
void AudioChannel::MixTo(AudioChannel* pDst, const uint Samples, const float fLevel) { |
184 |
if (fLevel == 1.0f) MixTo(pDst, Samples); |
if (fLevel == 1.0f) MixTo(pDst, Samples); |
185 |
else { |
else { |
186 |
|
#ifndef HAVE_GCC_VECTOR_EXTENSIONS |
187 |
float* pSrcBuf = Buffer(); |
float* pSrcBuf = Buffer(); |
188 |
float* pDstBuf = pDst->Buffer(); |
float* pDstBuf = pDst->Buffer(); |
189 |
for (int i = 0; i < Samples; i++) |
for (int i = 0; i < Samples; i++) |
190 |
pDstBuf[i] += pSrcBuf[i] * fLevel; |
pDstBuf[i] += pSrcBuf[i] * fLevel; |
191 |
|
#else |
192 |
|
const v4sf vcoeff = { fLevel, fLevel, fLevel, fLevel }; |
193 |
|
const v4sf* src = static_cast<v4sf*>((void*)Buffer()); |
194 |
|
v4sf* dst = static_cast<v4sf*>((void*)pDst->Buffer()); |
195 |
|
const int cells = Samples / 4; |
196 |
|
for (int i = 0; i < cells; ++i) |
197 |
|
dst[i] += src[i] * vcoeff; |
198 |
|
#endif |
199 |
} |
} |
200 |
} |
} |
201 |
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