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Avoid unneccesary extra fft runs

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Before it was possible that we run an extra fft when the time for
sending a new message is due. Only do this if we have not run the
for the interval at all.

Ported from gst-plugins-good/1a32265
This commit is contained in:
Stefan Kost 2011-03-13 12:15:09 +08:00 committed by Alexander Kojevnikov
parent 9fa493b973
commit 4db271d148
1 changed files with 3 additions and 5 deletions
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8
src/spek-pipeline.vala
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@ -228,13 +228,11 @@ namespace Spek {
}
frames++;
// If we have enough frames for an FFT or we
// have all frames required for the interval run
// an FFT. In the last case we probably take the
// FFT of frames that we already handled.
// If we have enough frames for an FFT or we have
// all frames required for the interval run and FFT.
bool int_full = acc_error < cx.error_base && frames == cx.frames_per_interval;
bool int_over = acc_error >= cx.error_base && frames == 1 + cx.frames_per_interval;
if (frames % nfft == 0 || int_full || int_over) {
if (frames % nfft == 0 || ((int_full || int_over) && num_fft == 0)) {
prev_head = head;
for (int i = 0; i < nfft; i++) {
float val = input[(input_size + head - nfft + i) % input_size];