diff options
| -rw-r--r-- | servers/audio/effects/audio_effect_pitch_shift.cpp | 42 | ||||
| -rw-r--r-- | servers/audio/effects/audio_effect_pitch_shift.h | 22 |
2 files changed, 61 insertions, 3 deletions
diff --git a/servers/audio/effects/audio_effect_pitch_shift.cpp b/servers/audio/effects/audio_effect_pitch_shift.cpp index ca2a88f858..c250f2e2bd 100644 --- a/servers/audio/effects/audio_effect_pitch_shift.cpp +++ b/servers/audio/effects/audio_effect_pitch_shift.cpp @@ -293,14 +293,16 @@ void AudioEffectPitchShiftInstance::process(const AudioFrame *p_src_frames, Audi float *out_l = (float *)p_dst_frames; float *out_r = out_l + 1; - shift_l.PitchShift(base->pitch_scale, p_frame_count, 2048, 4, sample_rate, in_l, out_l, 2); - shift_r.PitchShift(base->pitch_scale, p_frame_count, 2048, 4, sample_rate, in_r, out_r, 2); + shift_l.PitchShift(base->pitch_scale, p_frame_count, fft_size, base->oversampling, sample_rate, in_l, out_l, 2); + shift_r.PitchShift(base->pitch_scale, p_frame_count, fft_size, base->oversampling, sample_rate, in_r, out_r, 2); } Ref<AudioEffectInstance> AudioEffectPitchShift::instance() { Ref<AudioEffectPitchShiftInstance> ins; ins.instance(); ins->base = Ref<AudioEffectPitchShift>(this); + static const int fft_sizes[FFT_SIZE_MAX] = { 256, 512, 1024, 2048, 4096 }; + ins->fft_size = fft_sizes[fft_size]; return ins; } @@ -315,14 +317,50 @@ float AudioEffectPitchShift::get_pitch_scale() const { return pitch_scale; } +void AudioEffectPitchShift::set_oversampling(int p_oversampling) { + ERR_FAIL_COND(p_oversampling < 4); + oversampling = p_oversampling; +} + +int AudioEffectPitchShift::get_oversampling() const { + + return oversampling; +} + +void AudioEffectPitchShift::set_fft_size(FFT_Size p_fft_size) { + ERR_FAIL_INDEX(p_fft_size, FFT_SIZE_MAX); + fft_size = p_fft_size; +} + +AudioEffectPitchShift::FFT_Size AudioEffectPitchShift::get_fft_size() const { + return fft_size; +} + void AudioEffectPitchShift::_bind_methods() { ClassDB::bind_method(D_METHOD("set_pitch_scale", "rate"), &AudioEffectPitchShift::set_pitch_scale); ClassDB::bind_method(D_METHOD("get_pitch_scale"), &AudioEffectPitchShift::get_pitch_scale); + ClassDB::bind_method(D_METHOD("set_oversampling", "amount"), &AudioEffectPitchShift::set_oversampling); + ClassDB::bind_method(D_METHOD("get_oversampling"), &AudioEffectPitchShift::get_oversampling); + + ClassDB::bind_method(D_METHOD("set_fft_size", "size"), &AudioEffectPitchShift::set_fft_size); + ClassDB::bind_method(D_METHOD("get_fft_size"), &AudioEffectPitchShift::get_fft_size); + ADD_PROPERTY(PropertyInfo(Variant::REAL, "pitch_scale", PROPERTY_HINT_RANGE, "0.01,16,0.01"), "set_pitch_scale", "get_pitch_scale"); + ADD_PROPERTY(PropertyInfo(Variant::REAL, "oversampling", PROPERTY_HINT_RANGE, "4,32,1"), "set_oversampling", "get_oversampling"); + ADD_PROPERTY(PropertyInfo(Variant::INT, "fft_size", PROPERTY_HINT_ENUM, "256,512,1024,2048,4096"), "set_fft_size", "get_fft_size"); + + BIND_ENUM_CONSTANT(FFT_SIZE_256); + BIND_ENUM_CONSTANT(FFT_SIZE_512); + BIND_ENUM_CONSTANT(FFT_SIZE_1024); + BIND_ENUM_CONSTANT(FFT_SIZE_2048); + BIND_ENUM_CONSTANT(FFT_SIZE_4096); + BIND_ENUM_CONSTANT(FFT_SIZE_MAX); } AudioEffectPitchShift::AudioEffectPitchShift() { pitch_scale = 1.0; + oversampling = 4; + fft_size = FFT_SIZE_2048; } diff --git a/servers/audio/effects/audio_effect_pitch_shift.h b/servers/audio/effects/audio_effect_pitch_shift.h index febc20e9d5..0c80cb6344 100644 --- a/servers/audio/effects/audio_effect_pitch_shift.h +++ b/servers/audio/effects/audio_effect_pitch_shift.h @@ -76,6 +76,7 @@ class AudioEffectPitchShiftInstance : public AudioEffectInstance { friend class AudioEffectPitchShift; Ref<AudioEffectPitchShift> base; + int fft_size; SMBPitchShift shift_l; SMBPitchShift shift_r; @@ -85,11 +86,22 @@ public: class AudioEffectPitchShift : public AudioEffect { GDCLASS(AudioEffectPitchShift, AudioEffect) +public: + enum FFT_Size { + FFT_SIZE_256, + FFT_SIZE_512, + FFT_SIZE_1024, + FFT_SIZE_2048, + FFT_SIZE_4096, + FFT_SIZE_MAX + }; +public: friend class AudioEffectPitchShiftInstance; float pitch_scale; - int window_size; + int oversampling; + FFT_Size fft_size; float wet; float dry; bool filter; @@ -103,7 +115,15 @@ public: void set_pitch_scale(float p_pitch_scale); float get_pitch_scale() const; + void set_oversampling(int p_oversampling); + int get_oversampling() const; + + void set_fft_size(FFT_Size); + FFT_Size get_fft_size() const; + AudioEffectPitchShift(); }; +VARIANT_ENUM_CAST(AudioEffectPitchShift::FFT_Size); + #endif // AUDIO_EFFECT_PITCH_SHIFT_H |