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miniaudio
Commit 70bf4239 authored by nmlgc's avatar nmlgc Committed by David Reid
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Fix SSE2 sample swapping in mono expansion. 

The SSE2 code paths for mono expansion introduced in Version 0.11.15
mixed up the parameters of `_mm_shuffle_ps()`, which in turn caused
adjacent PCM frames to be swapped in the channel-expanded output.
parent 9d461f6d
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Showing with 4 additions and 4 deletions
extras/miniaudio_split/miniaudio.c
View file @ 70bf4239
......@@ -41417,7 +41417,7 @@ static ma_result ma_channel_map_apply_mono_in_f32(float* MA_RESTRICT pFramesOut,
for (iFrame = 0; iFrame < unrolledFrameCount; iFrame += 1) {
__m128 in0 = _mm_set1_ps(pFramesIn[iFrame*2 + 0]);
__m128 in1 = _mm_set1_ps(pFramesIn[iFrame*2 + 1]);
_mm_storeu_ps(&pFramesOut[iFrame*4 + 0], _mm_shuffle_ps(in1, in0, _MM_SHUFFLE(0, 0, 0, 0)));
_mm_storeu_ps(&pFramesOut[iFrame*4 + 0], _mm_shuffle_ps(in0, in1, _MM_SHUFFLE(0, 0, 0, 0)));
}
/* Tail. */
......@@ -41443,7 +41443,7 @@ static ma_result ma_channel_map_apply_mono_in_f32(float* MA_RESTRICT pFramesOut,
__m128 in1 = _mm_set1_ps(pFramesIn[iFrame*2 + 1]);
_mm_storeu_ps(&pFramesOut[iFrame*12 + 0], in0);
_mm_storeu_ps(&pFramesOut[iFrame*12 + 4], _mm_shuffle_ps(in1, in0, _MM_SHUFFLE(0, 0, 0, 0)));
_mm_storeu_ps(&pFramesOut[iFrame*12 + 4], _mm_shuffle_ps(in0, in1, _MM_SHUFFLE(0, 0, 0, 0)));
_mm_storeu_ps(&pFramesOut[iFrame*12 + 8], in1);
}
miniaudio.h
View file @ 70bf4239
......@@ -52835,7 +52835,7 @@ static ma_result ma_channel_map_apply_mono_in_f32(float* MA_RESTRICT pFramesOut,
for (iFrame = 0; iFrame < unrolledFrameCount; iFrame += 1) {
__m128 in0 = _mm_set1_ps(pFramesIn[iFrame*2 + 0]);
__m128 in1 = _mm_set1_ps(pFramesIn[iFrame*2 + 1]);
_mm_storeu_ps(&pFramesOut[iFrame*4 + 0], _mm_shuffle_ps(in1, in0, _MM_SHUFFLE(0, 0, 0, 0)));
_mm_storeu_ps(&pFramesOut[iFrame*4 + 0], _mm_shuffle_ps(in0, in1, _MM_SHUFFLE(0, 0, 0, 0)));
}
/* Tail. */
......@@ -52861,7 +52861,7 @@ static ma_result ma_channel_map_apply_mono_in_f32(float* MA_RESTRICT pFramesOut,
__m128 in1 = _mm_set1_ps(pFramesIn[iFrame*2 + 1]);
_mm_storeu_ps(&pFramesOut[iFrame*12 + 0], in0);
_mm_storeu_ps(&pFramesOut[iFrame*12 + 4], _mm_shuffle_ps(in1, in0, _MM_SHUFFLE(0, 0, 0, 0)));
_mm_storeu_ps(&pFramesOut[iFrame*12 + 4], _mm_shuffle_ps(in0, in1, _MM_SHUFFLE(0, 0, 0, 0)));
_mm_storeu_ps(&pFramesOut[iFrame*12 + 8], in1);
}
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