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Use more correct modulation factor in SSE convert. 

Use same factor as C.
This commit is contained in:
Themaister 2013-02-27 20:44:54 +01:00
parent 784ce8ab73
commit 7b389b70bc
1 changed files with 2 additions and 2 deletions
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4
audio/utils.c
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@ -47,7 +47,7 @@ void audio_convert_float_to_s16_C(int16_t *out,
void audio_convert_s16_to_float_SSE2(float *out, void audio_convert_s16_to_float_SSE2(float *out,
const int16_t *in, size_t samples, float gain) const int16_t *in, size_t samples, float gain)
{ {
float fgain = gain / (0x7fff * 0x10000); float fgain = gain / UINT32_C(0x80000000);
__m128 factor = _mm_set1_ps(fgain); __m128 factor = _mm_set1_ps(fgain);
size_t i; size_t i;
for (i = 0; i + 8 <= samples; i += 8, in += 8, out += 8) for (i = 0; i + 8 <= samples; i += 8, in += 8, out += 8)
@ -73,7 +73,7 @@ void audio_convert_s16_to_float_SSE2(float *out,
void audio_convert_float_to_s16_SSE2(int16_t *out, void audio_convert_float_to_s16_SSE2(int16_t *out,
const float *in, size_t samples) const float *in, size_t samples)
{ {
__m128 factor = _mm_set1_ps((float)0x7fff); __m128 factor = _mm_set1_ps((float)0x8000);
size_t i; size_t i;
for (i = 0; i + 8 <= samples; i += 8, in += 8, out += 8) for (i = 0; i + 8 <= samples; i += 8, in += 8, out += 8)
{ {