diff options
| -rw-r--r-- | servers/audio/effects/audio_effect_pitch_shift.cpp | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/servers/audio/effects/audio_effect_pitch_shift.cpp b/servers/audio/effects/audio_effect_pitch_shift.cpp index 11c1d44472..ddb17e050a 100644 --- a/servers/audio/effects/audio_effect_pitch_shift.cpp +++ b/servers/audio/effects/audio_effect_pitch_shift.cpp @@ -87,8 +87,10 @@ 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; @@ -160,8 +162,8 @@ void SMBPitchShift::PitchShift(float pitchShift, long numSampsToProcess, long ff /* ***************** PROCESSING ******************* */ /* this does the actual pitch shifting */ - memset(gSynMagn, 0, fftFrameSize*sizeof(float)); - memset(gSynFreq, 0, fftFrameSize*sizeof(float)); + memset(gSynMagn, 0, fftFrameBufferSize); + memset(gSynFreq, 0, fftFrameBufferSize); for (k = 0; k <= fftFrameSize2; k++) { index = k*pitchShift; if (index <= fftFrameSize2) { @@ -214,7 +216,7 @@ void SMBPitchShift::PitchShift(float pitchShift, long numSampsToProcess, long ff } /* shift accumulator */ - memmove(gOutputAccum, gOutputAccum+stepSize, fftFrameSize*sizeof(float)); + memmove(gOutputAccum, gOutputAccum+stepSize, fftFrameBufferSize); /* move input FIFO */ for (k = 0; k < inFifoLatency; k++) { gInFIFO[k] = gInFIFO[k+stepSize]; |