69 lines
1.3 KiB
C++
69 lines
1.3 KiB
C++
template<class Mixin>
|
|
struct Buffer2OS2 : public Mixin {
|
|
virtual void
|
|
process2(v2df *buf, ulong rem) = 0;
|
|
|
|
halfband_t<v2df> hb_up, hb_down;
|
|
|
|
TEMPLATE void
|
|
_process(T *in_L, T *in_R, T *out_L, T *out_R, ulong count)
|
|
{
|
|
disable_denormals();
|
|
v2df buf[BLOCK_SIZE];
|
|
v2df over[FULL_SIZE];
|
|
|
|
for (ulong pos = 0; pos < count; pos += BLOCK_SIZE) {
|
|
ulong rem = BLOCK_SIZE;
|
|
if (pos + BLOCK_SIZE > count)
|
|
rem = count - pos;
|
|
|
|
ulong rem2 = rem*OVERSAMPLING;
|
|
|
|
for (ulong i = 0; i < rem; i++) {
|
|
buf[i][0] = in_L[i];
|
|
buf[i][1] = in_R[i];
|
|
}
|
|
|
|
for (ulong i = 0; i < rem; i++) {
|
|
over[i*2+0] = interpolate_a(&hb_up, buf[i]);
|
|
over[i*2+1] = interpolate_b(&hb_up, buf[i]);
|
|
}
|
|
|
|
process2(over, rem2);
|
|
|
|
for (ulong i = 0; i < rem; i++) {
|
|
decimate_a(&hb_down, over[i*2+0]);
|
|
buf[i] = decimate_b(&hb_down, over[i*2+1]);
|
|
}
|
|
|
|
for (ulong i = 0; i < rem; i++) {
|
|
out_L[i] = (T)buf[i][0];
|
|
out_R[i] = (T)buf[i][1];
|
|
}
|
|
|
|
in_L += BLOCK_SIZE;
|
|
in_R += BLOCK_SIZE;
|
|
out_L += BLOCK_SIZE;
|
|
out_R += BLOCK_SIZE;
|
|
}
|
|
}
|
|
|
|
void
|
|
process(
|
|
double *in_L, double *in_R,
|
|
double *out_L, double *out_R,
|
|
ulong count)
|
|
{
|
|
_process(in_L, in_R, out_L, out_R, count);
|
|
}
|
|
|
|
void
|
|
process(
|
|
float *in_L, float *in_R,
|
|
float *out_L, float *out_R,
|
|
ulong count)
|
|
{
|
|
_process(in_L, in_R, out_L, out_R, count);
|
|
}
|
|
};
|