diff options
| author | Chris Robinson <[email protected]> | 2015-09-27 23:52:16 -0700 |
|---|---|---|
| committer | Chris Robinson <[email protected]> | 2015-09-27 23:57:25 -0700 |
| commit | ab6622a8d6912fa6ff8da9caa3fcaf96047ca14a (patch) | |
| tree | a872017f199f85f55b55d21dcb939f96aad70077 /Alc/mixer_sse41.c | |
| parent | 3e60b1898943c26d817aef8d31466c1fee5aa83b (diff) | |
Replace the cubic resampler with a 4-point sinc/lanczos filter
Diffstat (limited to 'Alc/mixer_sse41.c')
| -rw-r--r-- | Alc/mixer_sse41.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/Alc/mixer_sse41.c b/Alc/mixer_sse41.c index 1c859bc1..c85a733d 100644 --- a/Alc/mixer_sse41.c +++ b/Alc/mixer_sse41.c @@ -81,7 +81,7 @@ const ALfloat *Resample_lerp32_SSE41(const ALfloat *src, ALuint frac, ALuint inc return dst; } -const ALfloat *Resample_cubic32_SSE41(const ALfloat *src, ALuint frac, ALuint increment, +const ALfloat *Resample_fir4_32_SSE41(const ALfloat *src, ALuint frac, ALuint increment, ALfloat *restrict dst, ALuint numsamples) { const __m128i increment4 = _mm_set1_epi32(increment*4); @@ -104,10 +104,10 @@ const ALfloat *Resample_cubic32_SSE41(const ALfloat *src, ALuint frac, ALuint in const __m128 val1 = _mm_loadu_ps(&src[pos_.i[1]]); const __m128 val2 = _mm_loadu_ps(&src[pos_.i[2]]); const __m128 val3 = _mm_loadu_ps(&src[pos_.i[3]]); - __m128 k0 = _mm_load_ps(CubicLUT[frac_.i[0]]); - __m128 k1 = _mm_load_ps(CubicLUT[frac_.i[1]]); - __m128 k2 = _mm_load_ps(CubicLUT[frac_.i[2]]); - __m128 k3 = _mm_load_ps(CubicLUT[frac_.i[3]]); + __m128 k0 = _mm_load_ps(ResampleCoeffs[frac_.i[0]]); + __m128 k1 = _mm_load_ps(ResampleCoeffs[frac_.i[1]]); + __m128 k2 = _mm_load_ps(ResampleCoeffs[frac_.i[2]]); + __m128 k3 = _mm_load_ps(ResampleCoeffs[frac_.i[3]]); __m128 out; k0 = _mm_mul_ps(k0, val0); @@ -140,7 +140,7 @@ const ALfloat *Resample_cubic32_SSE41(const ALfloat *src, ALuint frac, ALuint in for(;i < numsamples;i++) { - dst[i] = cubic(src[pos], src[pos+1], src[pos+2], src[pos+3], frac); + dst[i] = resample_fir4(src[pos], src[pos+1], src[pos+2], src[pos+3], frac); frac += increment; pos += frac>>FRACTIONBITS; |