crap/include/Buffer2OS2.hpp

69 lines
1.3 KiB
C++
Raw Normal View History

2015-06-08 11:36:20 -07:00
template<class Mixin>
struct Buffer2OS2 : public virtual Mixin {
virtual inline 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] = buf[i][0];
out_R[i] = 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);
}
};