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