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#include "world/dio.h"
#include "world/stonemask.h"
#include "world/matlabfunctions.h"
#include <string>
#include <vector>
//Cpp F0 Preprocess
class F0PreProcess
{
public:
int fs;
short hop;
const int f0_bin = 256;
const double f0_max = 1100.0;
const double f0_min = 50.0;
const double f0_mel_min = 1127.0 * log(1.0 + f0_min / 700.0);
const double f0_mel_max = 1127.0 * log(1.0 + f0_max / 700.0);
F0PreProcess(int sr = 16000, short h = 160) :fs(sr), hop(h) {}
~F0PreProcess()
{
delete[] rf0;
rf0 = nullptr;
}
void compute_f0(const double* audio, int64_t len);
void InterPf0(int64_t len);
long long* f0Log();
int64_t getLen()const { return f0Len; }
std::vector<long long> GetF0AndOtherInput(const double* audio, int64_t audioLen, int64_t hubLen, int64_t tran);
std::vector<float> GetF0AndOtherInputF0(const double* audio, int64_t audioLen, int64_t tran);
private:
double* rf0 = nullptr;
int64_t f0Len = 0;
};
std::vector<long long> getAligments(size_t specLen, size_t hubertLen);
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