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Pass audio samples untouched for pitch_scale around 1.0f

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Bartłomiej T. Listwon 2022-02-11 20:21:26 +01:00
parent cf13f8af64
commit c02e979dbf
1 changed files with 8 additions and 0 deletions
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8
servers/audio/effects/audio_effect_pitch_shift.cpp
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@ -288,6 +288,14 @@ void SMBPitchShift::smbFft(float *fftBuffer, long fftFrameSize, long sign)
void AudioEffectPitchShiftInstance::process(const AudioFrame *p_src_frames, AudioFrame *p_dst_frames, int p_frame_count) {
float sample_rate = AudioServer::get_singleton()->get_mix_rate();
// For pitch_scale 1.0 it's cheaper to just pass samples without processing them.
if (Math::is_equal_approx(base->pitch_scale, 1.0f)) {
for (int i = 0; i < p_frame_count; i++) {
p_dst_frames[i] = p_src_frames[i];
}
return;
}
float *in_l = (float *)p_src_frames;
float *in_r = in_l + 1;