diff options
Diffstat (limited to 'gr-fft/lib/fft_vcc_fftw.cc')
| -rw-r--r-- | gr-fft/lib/fft_vcc_fftw.cc | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/gr-fft/lib/fft_vcc_fftw.cc b/gr-fft/lib/fft_vcc_fftw.cc index 6873e74f45..778042ebf0 100644 --- a/gr-fft/lib/fft_vcc_fftw.cc +++ b/gr-fft/lib/fft_vcc_fftw.cc @@ -31,7 +31,7 @@ namespace gr { namespace fft { - + fft_vcc::sptr fft_vcc::make(int fft_size, bool forward, const std::vector<float> &window, bool shift, int nthreads) @@ -89,14 +89,14 @@ namespace gr { { const gr_complex *in = (const gr_complex *) input_items[0]; gr_complex *out = (gr_complex *) output_items[0]; - + unsigned int input_data_size = input_signature()->sizeof_stream_item (0); unsigned int output_data_size = output_signature()->sizeof_stream_item (0); - + int count = 0; - + while(count++ < noutput_items) { - + // copy input into optimally aligned buffer if(d_window.size()) { gr_complex *dst = d_fft->get_inbuf(); @@ -107,7 +107,7 @@ namespace gr { dst[i+fft_m_offset] = in[i] * d_window[i]; for(unsigned int i = offset; i < d_fft_size; i++) // apply window dst[i-offset] = in[i] * d_window[i]; - } + } else { for(unsigned int i = 0; i < d_fft_size; i++) // apply window dst[i] = in[i] * d_window[i]; @@ -124,10 +124,10 @@ namespace gr { memcpy(d_fft->get_inbuf(), in, input_data_size); } } - + // compute the fft d_fft->execute(); - + // copy result to our output if(d_forward && d_shift) { // apply a fft shift on the data unsigned int len = (unsigned int)(ceil(d_fft_size/2.0)); @@ -137,11 +137,11 @@ namespace gr { else { memcpy (out, d_fft->get_outbuf (), output_data_size); } - + in += d_fft_size; out += d_fft_size; } - + return noutput_items; } |