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authorRémi Verschelde <rverschelde@gmail.com>2024-09-17 21:02:25 +0200
committerRémi Verschelde <rverschelde@gmail.com>2024-09-17 21:02:25 +0200
commit27dacd59e08512ef2aead37ee878a2c3de2d86c0 (patch)
tree1a5991dabab806f3b0fdd3d4949ce93d26d82fa8
parentac789750eb2c8c73b56822421f27781eb403ef3a (diff)
parent8ebabf68f84ab5558eeb2d1c983e3ee95a023ae7 (diff)
downloadredot-engine-27dacd59e08512ef2aead37ee878a2c3de2d86c0.tar.gz
Merge pull request #97109 from pattlebass/pitch-shift-fix
AudioEffectPitchShift: Fix distortion when pitch is 1.0
-rw-r--r--servers/audio/effects/audio_effect_pitch_shift.cpp5
1 files changed, 5 insertions, 0 deletions
diff --git a/servers/audio/effects/audio_effect_pitch_shift.cpp b/servers/audio/effects/audio_effect_pitch_shift.cpp
index beca503904..89273d744b 100644
--- a/servers/audio/effects/audio_effect_pitch_shift.cpp
+++ b/servers/audio/effects/audio_effect_pitch_shift.cpp
@@ -286,6 +286,11 @@ void SMBPitchShift::smbFft(float *fftBuffer, long fftFrameSize, long sign)
/* clang-format on */
void AudioEffectPitchShiftInstance::process(const AudioFrame *p_src_frames, AudioFrame *p_dst_frames, int p_frame_count) {
+ // Avoid distortion by skipping processing if pitch_scale is 1.0.
+ if (Math::is_equal_approx(base->pitch_scale, 1.0f)) {
+ return;
+ }
+
float sample_rate = AudioServer::get_singleton()->get_mix_rate();
float *in_l = (float *)p_src_frames;