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channelmix: optimize some more

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This commit is contained in:
Wim Taymans 2018-11-21 16:45:31 +01:00
parent c8aa1f38df
commit 6ee3a6003e
3 changed files with 126 additions and 58 deletions
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62
spa/plugins/audioconvert/channelmix-ops-sse.c
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@ -202,6 +202,68 @@ channelmix_f32_5p1_2_sse(void *data, int n_dst, void *dst[n_dst],
}
}
/* FL+FR+FC+LFE+SL+SR -> FL+FR+FC+LFE*/
static void
channelmix_f32_5p1_3p1_sse(void *data, int n_dst, void *dst[n_dst],
int n_src, const void *src[n_src], void *matrix, float v, int n_bytes)
{
int i, n, n_samples = n_bytes / sizeof(float), unrolled, remain;
float **d = (float **) dst;
float **s = (float **) src;
__m128 mix = _mm_set1_ps(v * 0.5f);
__m128 vol = _mm_set1_ps(v);
__m128 avg;
float *dFL = d[0], *dFR = d[1], *dFC = d[2], *dLFE = d[3];
float *sFL = s[0], *sFR = s[1], *sFC = s[2], *sLFE = s[3], *sSL = s[4], *sSR = s[5];
if (v <= VOLUME_MIN) {
for (i = 0; i < n_dst; i++)
memset(d[i], 0, n_bytes);
}
else if (v == VOLUME_NORM) {
unrolled = n_samples / 4;
remain = n_samples & 3;
for(n = 0; unrolled--; n += 4) {
avg = _mm_add_ps(_mm_loadu_ps(&sFL[n]), _mm_loadu_ps(&sSL[n]));
_mm_storeu_ps(&dFL[n], _mm_mul_ps(avg, mix));
avg = _mm_add_ps(_mm_loadu_ps(&sFR[n]), _mm_loadu_ps(&sSR[n]));
_mm_storeu_ps(&dFR[n], _mm_mul_ps(avg, mix));
_mm_storeu_ps(&dFC[n], _mm_loadu_ps(&sFC[n]));
_mm_storeu_ps(&dLFE[n], _mm_loadu_ps(&sLFE[n]));
}
for(; remain--; n++) {
avg = _mm_add_ss(_mm_load_ss(&sFL[n]), _mm_load_ss(&sSL[n]));
_mm_store_ss(&dFL[n], _mm_mul_ss(avg, mix));
avg = _mm_add_ps(_mm_load_ss(&sFR[n]), _mm_load_ss(&sSR[n]));
_mm_store_ss(&dFR[n], _mm_mul_ss(avg, mix));
_mm_store_ss(&dFC[n], _mm_load_ss(&sFC[n]));
_mm_store_ss(&dLFE[n], _mm_load_ss(&sLFE[n]));
}
}
else {
unrolled = n_samples / 4;
remain = n_samples & 3;
for(n = 0; unrolled--; n += 4) {
avg = _mm_add_ps(_mm_loadu_ps(&sFL[n]), _mm_loadu_ps(&sSL[n]));
_mm_storeu_ps(&dFL[n], _mm_mul_ps(avg, mix));
avg = _mm_add_ps(_mm_loadu_ps(&sFR[n]), _mm_loadu_ps(&sSR[n]));
_mm_storeu_ps(&dFR[n], _mm_mul_ps(avg, mix));
_mm_storeu_ps(&dFC[n], _mm_mul_ps(_mm_loadu_ps(&sFC[n]), vol));
_mm_storeu_ps(&dLFE[n], _mm_mul_ps(_mm_loadu_ps(&sLFE[n]), vol));
}
for(; remain--; n++) {
avg = _mm_add_ss(_mm_load_ss(&sFL[n]), _mm_load_ss(&sSL[n]));
_mm_store_ss(&dFL[n], _mm_mul_ss(avg, mix));
avg = _mm_add_ps(_mm_load_ss(&sFR[n]), _mm_load_ss(&sSR[n]));
_mm_store_ss(&dFR[n], _mm_mul_ss(avg, mix));
_mm_store_ss(&dFC[n], _mm_mul_ss(_mm_load_ss(&sFC[n]), vol));
_mm_store_ss(&dLFE[n], _mm_mul_ss(_mm_load_ss(&sLFE[n]), vol));
}
}
}
/* FL+FR+FC+LFE+SL+SR -> FL+FR+RL+RR*/
static void
channelmix_f32_5p1_4_sse(void *data, int n_dst, void *dst[n_dst],