diff options
Diffstat (limited to 'servers/audio/effects/audio_effect_spectrum_analyzer.cpp')
| -rw-r--r-- | servers/audio/effects/audio_effect_spectrum_analyzer.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/servers/audio/effects/audio_effect_spectrum_analyzer.cpp b/servers/audio/effects/audio_effect_spectrum_analyzer.cpp index 7f73f2e880..3f7ab74a74 100644 --- a/servers/audio/effects/audio_effect_spectrum_analyzer.cpp +++ b/servers/audio/effects/audio_effect_spectrum_analyzer.cpp @@ -110,10 +110,11 @@ void AudioEffectSpectrumAnalyzerInstance::process(const AudioFrame *p_src_frames while (p_frame_count) { int to_fill = fft_size * 2 - temporal_fft_pos; to_fill = MIN(to_fill, p_frame_count); + const double to_fill_step = Math_TAU / (double)fft_size; float *fftw = temporal_fft.ptrw(); for (int i = 0; i < to_fill; i++) { //left and right buffers - float window = -0.5 * Math::cos(2.0 * Math_PI * (double)temporal_fft_pos / (double)fft_size) + 0.5; + float window = -0.5 * Math::cos(to_fill_step * (double)temporal_fft_pos) + 0.5; fftw[temporal_fft_pos * 2] = window * p_src_frames->l; fftw[temporal_fft_pos * 2 + 1] = 0; fftw[(temporal_fft_pos + fft_size * 2) * 2] = window * p_src_frames->r; |