diff options
Diffstat (limited to 'servers/audio/effects/audio_effect_pitch_shift.h')
| -rw-r--r-- | servers/audio/effects/audio_effect_pitch_shift.h | 52 |
1 files changed, 21 insertions, 31 deletions
diff --git a/servers/audio/effects/audio_effect_pitch_shift.h b/servers/audio/effects/audio_effect_pitch_shift.h index 1320976f5..610efdc0e 100644 --- a/servers/audio/effects/audio_effect_pitch_shift.h +++ b/servers/audio/effects/audio_effect_pitch_shift.h @@ -29,21 +29,20 @@ #ifndef AUDIO_EFFECT_PITCH_SHIFT_H #define AUDIO_EFFECT_PITCH_SHIFT_H - #include "servers/audio/audio_effect.h" class SMBPitchShift { enum { - MAX_FRAME_LENGTH=8192 + MAX_FRAME_LENGTH = 8192 }; float gInFIFO[MAX_FRAME_LENGTH]; float gOutFIFO[MAX_FRAME_LENGTH]; - float gFFTworksp[2*MAX_FRAME_LENGTH]; - float gLastPhase[MAX_FRAME_LENGTH/2+1]; - float gSumPhase[MAX_FRAME_LENGTH/2+1]; - float gOutputAccum[2*MAX_FRAME_LENGTH]; + float gFFTworksp[2 * MAX_FRAME_LENGTH]; + float gLastPhase[MAX_FRAME_LENGTH / 2 + 1]; + float gSumPhase[MAX_FRAME_LENGTH / 2 + 1]; + float gOutputAccum[2 * MAX_FRAME_LENGTH]; float gAnaFreq[MAX_FRAME_LENGTH]; float gAnaMagn[MAX_FRAME_LENGTH]; float gSynFreq[MAX_FRAME_LENGTH]; @@ -51,47 +50,41 @@ class SMBPitchShift { long gRover; void smbFft(float *fftBuffer, long fftFrameSize, long sign); + public: void PitchShift(float pitchShift, long numSampsToProcess, long fftFrameSize, long osamp, float sampleRate, float *indata, float *outdata, int stride); SMBPitchShift() { - gRover=0; - memset(gInFIFO, 0, MAX_FRAME_LENGTH*sizeof(float)); - memset(gOutFIFO, 0, MAX_FRAME_LENGTH*sizeof(float)); - memset(gFFTworksp, 0, 2*MAX_FRAME_LENGTH*sizeof(float)); - memset(gLastPhase, 0, (MAX_FRAME_LENGTH/2+1)*sizeof(float)); - memset(gSumPhase, 0, (MAX_FRAME_LENGTH/2+1)*sizeof(float)); - memset(gOutputAccum, 0, 2*MAX_FRAME_LENGTH*sizeof(float)); - memset(gAnaFreq, 0, MAX_FRAME_LENGTH*sizeof(float)); - memset(gAnaMagn, 0, MAX_FRAME_LENGTH*sizeof(float)); + gRover = 0; + memset(gInFIFO, 0, MAX_FRAME_LENGTH * sizeof(float)); + memset(gOutFIFO, 0, MAX_FRAME_LENGTH * sizeof(float)); + memset(gFFTworksp, 0, 2 * MAX_FRAME_LENGTH * sizeof(float)); + memset(gLastPhase, 0, (MAX_FRAME_LENGTH / 2 + 1) * sizeof(float)); + memset(gSumPhase, 0, (MAX_FRAME_LENGTH / 2 + 1) * sizeof(float)); + memset(gOutputAccum, 0, 2 * MAX_FRAME_LENGTH * sizeof(float)); + memset(gAnaFreq, 0, MAX_FRAME_LENGTH * sizeof(float)); + memset(gAnaMagn, 0, MAX_FRAME_LENGTH * sizeof(float)); } - - }; - class AudioEffectPitchShift; class AudioEffectPitchShiftInstance : public AudioEffectInstance { - GDCLASS(AudioEffectPitchShiftInstance,AudioEffectInstance) -friend class AudioEffectPitchShift; + GDCLASS(AudioEffectPitchShiftInstance, AudioEffectInstance) + friend class AudioEffectPitchShift; Ref<AudioEffectPitchShift> base; SMBPitchShift shift_l; SMBPitchShift shift_r; - public: - - virtual void process(const AudioFrame *p_src_frames,AudioFrame *p_dst_frames,int p_frame_count); - + virtual void process(const AudioFrame *p_src_frames, AudioFrame *p_dst_frames, int p_frame_count); }; - class AudioEffectPitchShift : public AudioEffect { - GDCLASS(AudioEffectPitchShift,AudioEffect) + GDCLASS(AudioEffectPitchShift, AudioEffect) -friend class AudioEffectPitchShiftInstance; + friend class AudioEffectPitchShiftInstance; float pitch_scale; int window_size; @@ -100,11 +93,9 @@ friend class AudioEffectPitchShiftInstance; bool filter; protected: - static void _bind_methods(); -public: - +public: Ref<AudioEffectInstance> instance(); void set_pitch_scale(float p_adjust); @@ -113,5 +104,4 @@ public: AudioEffectPitchShift(); }; - #endif // AUDIO_EFFECT_PITCH_SHIFT_H |