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AudioEffectPitchShift: Actually fix -Wstringop-overflow warning

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Previous commit didn't help, so its changes are reverted.
This commit is contained in:
Rémi Verschelde 2024-02-22 09:59:00 +01:00
parent 846d075a2f
commit f8af9bf3e4
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GPG key ID: C3336907360768E1
2 changed files with 21 additions and 46 deletions
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17
servers/audio/effects/audio_effect_pitch_shift.cpp
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@ -87,10 +87,8 @@ void SMBPitchShift::PitchShift(float pitchShift, long numSampsToProcess, long ff
double magn, phase, tmp, window, real, imag;
double freqPerBin, expct;
long i,k, qpd, index, inFifoLatency, stepSize, fftFrameSize2;
unsigned long fftFrameBufferSize;
/* set up some handy variables */
fftFrameBufferSize = (unsigned long)fftFrameSize*sizeof(float);
fftFrameSize2 = fftFrameSize/2;
stepSize = fftFrameSize/osamp;
freqPerBin = sampleRate/(double)fftFrameSize;
@ -162,8 +160,8 @@ void SMBPitchShift::PitchShift(float pitchShift, long numSampsToProcess, long ff
/* ***************** PROCESSING ******************* */
/* this does the actual pitch shifting */
memset(gSynMagn, 0, fftFrameBufferSize);
memset(gSynFreq, 0, fftFrameBufferSize);
memset(gSynMagn, 0, fftFrameSize*sizeof(float));
memset(gSynFreq, 0, fftFrameSize*sizeof(float));
for (k = 0; k <= fftFrameSize2; k++) {
index = k*pitchShift;
if (index <= fftFrameSize2) {
@ -216,7 +214,7 @@ void SMBPitchShift::PitchShift(float pitchShift, long numSampsToProcess, long ff
}
/* shift accumulator */
memmove(gOutputAccum, gOutputAccum+stepSize, fftFrameBufferSize);
memmove(gOutputAccum, gOutputAccum+stepSize, fftFrameSize*sizeof(float));
/* move input FIFO */
for (k = 0; k < inFifoLatency; k++) { gInFIFO[k] = gInFIFO[k+stepSize];
@ -358,12 +356,3 @@ void AudioEffectPitchShift::_bind_methods() {
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;
wet = 0.0;
dry = 0.0;
filter = false;
}

50
servers/audio/effects/audio_effect_pitch_shift.h
View file

@ -38,34 +38,22 @@ class SMBPitchShift {
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 gAnaFreq[MAX_FRAME_LENGTH];
float gAnaMagn[MAX_FRAME_LENGTH];
float gSynFreq[MAX_FRAME_LENGTH];
float gSynMagn[MAX_FRAME_LENGTH];
long gRover;
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 gAnaFreq[MAX_FRAME_LENGTH] = {};
float gAnaMagn[MAX_FRAME_LENGTH] = {};
float gSynFreq[MAX_FRAME_LENGTH] = {};
float gSynMagn[MAX_FRAME_LENGTH] = {};
long gRover = 0;
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));
}
};
class AudioEffectPitchShift;
@ -75,7 +63,7 @@ class AudioEffectPitchShiftInstance : public AudioEffectInstance {
friend class AudioEffectPitchShift;
Ref<AudioEffectPitchShift> base;
int fft_size;
int fft_size = 0;
SMBPitchShift shift_l;
SMBPitchShift shift_r;
@ -98,12 +86,12 @@ public:
FFT_SIZE_MAX
};
float pitch_scale;
int oversampling;
FFTSize fft_size;
float wet;
float dry;
bool filter;
float pitch_scale = 1.0;
int oversampling = 4;
FFTSize fft_size = FFT_SIZE_2048;
float wet = 0.0;
float dry = 0.0;
bool filter = false;
protected:
static void _bind_methods();
@ -119,8 +107,6 @@ public:
void set_fft_size(FFTSize);
FFTSize get_fft_size() const;
AudioEffectPitchShift();
};
VARIANT_ENUM_CAST(AudioEffectPitchShift::FFTSize);