void iqconverter_int16_process(iqconveter_int16_t *cnv, int16_t *samples, int len)
{
int i;
for (i = 0; i < len; i += 4)
{
samples[i + 0] = -samples[i + 0];
samples[i + 1] = -samples[i + 1] >> 1;
//samples[i + 2] = samples[i + 2];
samples[i + 3] = samples[i + 3] >> 1;
}
fir_interleaved(cnv, samples, len);
delay_interleaved(cnv, samples + 1, len);
}
static void translate_fs_4(iqconverter_int16_t *cnv, int16_t *samples, int len)
{
int i;
for (i = 0; i < len; i += 4)
{
samples[i + 0] = -samples[i + 0];
samples[i + 1] = -samples[i + 1] >> 1;
//samples[i + 2] = samples[i + 2];
samples[i + 3] = samples[i + 3] >> 1;
}
fir_interleaved(cnv, samples, len);
delay_interleaved(cnv, samples + 1, len);
}
static void translate_fs_4(iqconverter_float_t *cnv, float *samples, int len)
{
int i;
float hbc = cnv->hbc;
#if defined(USE_SSE2)
float *buf = samples;
__m128 vec;
__m128 rot = _mm_set_ps(hbc, 1.0f, -hbc, -1.0f);
for (i = 0; i < len / 4; i++, buf +=4)
{
vec = _mm_loadu_ps(buf);
vec = _mm_mul_ps(vec, rot);
_mm_storeu_ps(buf, vec);
}
#else
int j;
for (i = 0; i < len / 4; i++)
{
j = i << 2;
samples[j + 0] = -samples[j + 0];
samples[j + 1] = -samples[j + 1] * hbc;
//samples[j + 2] = samples[j + 2];
samples[j + 3] = samples[j + 3] * hbc;
}
#endif
fir_interleaved(cnv, samples, len);
delay_interleaved(cnv, samples + 1, len);
}
