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Update OpenAL Soft to 1.18.2

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This commit is contained in:
Alex Szpakowski
2017-12-10 22:34:10 -04:00
parent 75e0077566
commit b160006eb1
152 changed files with 33572 additions and 15363 deletions
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libs/openal-soft/Alc/bs2b.c
+56 -1
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@@ -129,4 +129,59 @@ void bs2b_clear(struct bs2b *bs2b)
memset(&bs2b->last_sample, 0, sizeof(bs2b->last_sample));
} /* bs2b_clear */
extern inline void bs2b_cross_feed(struct bs2b *bs2b, float *restrict samples);
void bs2b_cross_feed(struct bs2b *bs2b, float *restrict Left, float *restrict Right, int SamplesToDo)
{
float lsamples[128][2];
float rsamples[128][2];
int base;
for(base = 0;base < SamplesToDo;)
{
int todo = mini(128, SamplesToDo-base);
int i;
/* Process left input */
lsamples[0][0] = bs2b->a0_lo*Left[0] +
bs2b->b1_lo*bs2b->last_sample[0].lo;
lsamples[0][1] = bs2b->a0_hi*Left[0] +
bs2b->a1_hi*bs2b->last_sample[0].asis +
bs2b->b1_hi*bs2b->last_sample[0].hi;
for(i = 1;i < todo;i++)
{
lsamples[i][0] = bs2b->a0_lo*Left[i] +
bs2b->b1_lo*lsamples[i-1][0];
lsamples[i][1] = bs2b->a0_hi*Left[i] +
bs2b->a1_hi*Left[i-1] +
bs2b->b1_hi*lsamples[i-1][1];
}
bs2b->last_sample[0].asis = Left[i-1];
bs2b->last_sample[0].lo = lsamples[i-1][0];
bs2b->last_sample[0].hi = lsamples[i-1][1];
/* Process right input */
rsamples[0][0] = bs2b->a0_lo*Right[0] +
bs2b->b1_lo*bs2b->last_sample[1].lo;
rsamples[0][1] = bs2b->a0_hi*Right[0] +
bs2b->a1_hi*bs2b->last_sample[1].asis +
bs2b->b1_hi*bs2b->last_sample[1].hi;
for(i = 1;i < todo;i++)
{
rsamples[i][0] = bs2b->a0_lo*Right[i] +
bs2b->b1_lo*rsamples[i-1][0];
rsamples[i][1] = bs2b->a0_hi*Right[i] +
bs2b->a1_hi*Right[i-1] +
bs2b->b1_hi*rsamples[i-1][1];
}
bs2b->last_sample[1].asis = Right[i-1];
bs2b->last_sample[1].lo = rsamples[i-1][0];
bs2b->last_sample[1].hi = rsamples[i-1][1];
/* Crossfeed */
for(i = 0;i < todo;i++)
*(Left++) = lsamples[i][1] + rsamples[i][0];
for(i = 0;i < todo;i++)
*(Right++) = rsamples[i][1] + lsamples[i][0];
base += todo;
}
} /* bs2b_cross_feed */