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-rw-r--r--src/Resampler.cpp47
1 files changed, 25 insertions, 22 deletions
diff --git a/src/Resampler.cpp b/src/Resampler.cpp
index 42951c5..142a4bb 100644
--- a/src/Resampler.cpp
+++ b/src/Resampler.cpp
@@ -50,15 +50,15 @@ T gcd(T a, T b)
Resampler::Resampler(size_t inputRate, size_t outputRate, size_t resolution) :
ModCodec(),
- myFftPlan1(NULL),
- myFftPlan2(NULL),
- myFftIn(NULL),
- myFftOut(NULL),
- myBufferIn(NULL),
- myBufferOut(NULL),
- myFront(NULL),
- myBack(NULL),
- myWindow(NULL)
+ myFftPlan1(nullptr),
+ myFftPlan2(nullptr),
+ myFftIn(nullptr),
+ myFftOut(nullptr),
+ myBufferIn(nullptr),
+ myBufferOut(nullptr),
+ myFront(nullptr),
+ myBack(nullptr),
+ myWindow(nullptr)
{
PDEBUG("Resampler::Resampler(%zu, %zu) @ %p\n", inputRate, outputRate, this);
@@ -103,8 +103,8 @@ Resampler::Resampler(size_t inputRate, size_t outputRate, size_t resolution) :
myBack, myFftOut,
FFTW_BACKWARD, FFTW_MEASURE);
- myBufferIn = (complexf*)fftwf_malloc(sizeof(FFT_TYPE) * myFftSizeIn / 2);
- myBufferOut = (complexf*)fftwf_malloc(sizeof(FFT_TYPE) * myFftSizeOut / 2);
+ myBufferIn = (FFT_TYPE*)fftwf_malloc(sizeof(FFT_TYPE) * myFftSizeIn / 2);
+ myBufferOut = (FFT_TYPE*)fftwf_malloc(sizeof(FFT_TYPE) * myFftSizeOut / 2);
memset(myBufferIn, 0, myFftSizeIn / 2 * sizeof(FFT_TYPE));
memset(myBufferOut, 0, myFftSizeOut / 2 * sizeof(FFT_TYPE));
@@ -115,13 +115,13 @@ Resampler::~Resampler()
{
PDEBUG("Resampler::~Resampler() @ %p\n", this);
- if (myFftIn != NULL) { fftwf_free(myFftIn); }
- if (myFftOut != NULL) { fftwf_free(myFftOut); }
- if (myBufferIn != NULL) { fftwf_free(myBufferIn); }
- if (myBufferOut != NULL) { fftwf_free(myBufferOut); }
- if (myFront != NULL) { fftwf_free(myFront); }
- if (myBack != NULL) { fftwf_free(myBack); }
- if (myWindow != NULL) { fftwf_free(myWindow); }
+ if (myFftIn != nullptr) { fftwf_free(myFftIn); }
+ if (myFftOut != nullptr) { fftwf_free(myFftOut); }
+ if (myBufferIn != nullptr) { fftwf_free(myBufferIn); }
+ if (myBufferOut != nullptr) { fftwf_free(myBufferOut); }
+ if (myFront != nullptr) { fftwf_free(myFront); }
+ if (myBack != nullptr) { fftwf_free(myBack); }
+ if (myWindow != nullptr) { fftwf_free(myWindow); }
fftwf_destroy_plan(myFftPlan1);
fftwf_destroy_plan(myFftPlan2);
}
@@ -160,7 +160,8 @@ int Resampler::process(Buffer* const dataIn, Buffer* dataOut)
FFT_REAL(myFront[myFftSizeIn / 2]);
FFT_IMAG(myBack[myFftSizeIn / 2]) =
FFT_IMAG(myFront[myFftSizeIn / 2]);
- } else {
+ }
+ else {
memcpy(myBack, myFront, myFftSizeOut / 2 * sizeof(FFT_TYPE));
memcpy(&myBack[myFftSizeOut / 2],
&myFront[myFftSizeIn - (myFftSizeOut / 2)],
@@ -181,10 +182,12 @@ int Resampler::process(Buffer* const dataIn, Buffer* dataOut)
fftwf_execute(myFftPlan2);
for (size_t k = 0; k < myFftSizeOut / 2; ++k) {
- FFT_REAL(out[j + k]) = myBufferOut[k].real() + FFT_REAL(myFftOut[k]);
- FFT_IMAG(out[j + k]) = myBufferOut[k].imag() + FFT_IMAG(myFftOut[k]);
+ FFT_REAL(out[j + k]) = FFT_REAL(myBufferOut[k]) + FFT_REAL(myFftOut[k]);
+ FFT_IMAG(out[j + k]) = FFT_IMAG(myBufferOut[k]) + FFT_IMAG(myFftOut[k]);
}
- memcpy(myBufferOut, myFftOut + (myFftSizeOut / 2), (myFftSizeOut / 2) * sizeof(FFT_TYPE));
+ memcpy(myBufferOut,
+ myFftOut + (myFftSizeOut / 2),
+ (myFftSizeOut / 2) * sizeof(FFT_TYPE));
}
return 1;