diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/Resampler.cpp | 47 | ||||
| -rw-r--r-- | src/Resampler.h | 4 |
2 files changed, 27 insertions, 24 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; diff --git a/src/Resampler.h b/src/Resampler.h index 2886f57..d1a9f7a 100644 --- a/src/Resampler.h +++ b/src/Resampler.h @@ -62,8 +62,8 @@ protected: size_t myFftSizeOut; FFT_TYPE* myFftIn; FFT_TYPE* myFftOut; - complexf* myBufferIn; - complexf* myBufferOut; + FFT_TYPE* myBufferIn; + FFT_TYPE* myBufferOut; FFT_TYPE* myFront; FFT_TYPE* myBack; float *myWindow; |