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fsk: performance: do not bzero fftin

This commit is contained in:
Kamal Mostafa 2012-08-18 16:52:07 -07:00
parent bc30de33a4
commit 725355aa43
1 changed files with 7 additions and 2 deletions
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9
src/fsk.c
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@ -75,6 +75,7 @@ fsk_plan_new(
// FIXME check these:
fskp->fftin = fftwf_malloc(fskp->fftsize * sizeof(float) * pa_nchannels);
bzero(fskp->fftin, (fskp->fftsize * sizeof(float) * pa_nchannels));
fskp->fftout = fftwf_malloc(fskp->nbands * sizeof(fftwf_complex) * pa_nchannels);
/* complex fftw plan, works for N channels: */
@ -124,8 +125,12 @@ fsk_bit_analyze( fsk_plan *fskp, float *samples, unsigned int bit_nsamples,
float *bit_noise_mag_outp
)
{
unsigned int pa_nchannels = 1; // FIXME
bzero(fskp->fftin, (fskp->fftsize * sizeof(float) * pa_nchannels));
// FIXME: Fast and loose ... don't bzero fftin, just assume its only ever
// been used for bit_nsamples so the remainder is still zeroed. Sketchy.
//
// unsigned int pa_nchannels = 1; // FIXME
// bzero(fskp->fftin, (fskp->fftsize * sizeof(float) * pa_nchannels));
memcpy(fskp->fftin, samples, bit_nsamples * sizeof(float));
float magscalar = 2.0 / (float)bit_nsamples;