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pitch_extraction.cc
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pitch_extraction.cc
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// ------------------------------------------------------------------------ //
// Copyright 2021 SPTK Working Group //
// //
// Licensed under the Apache License, Version 2.0 (the "License"); //
// you may not use this file except in compliance with the License. //
// You may obtain a copy of the License at //
// //
// http://www.apache.org/licenses/LICENSE-2.0 //
// //
// Unless required by applicable law or agreed to in writing, software //
// distributed under the License is distributed on an "AS IS" BASIS, //
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. //
// See the License for the specific language governing permissions and //
// limitations under the License. //
// ------------------------------------------------------------------------ //
#include "SPTK/analysis/pitch_extraction.h"
#include "SPTK/analysis/pitch_extraction_by_dio.h"
#include "SPTK/analysis/pitch_extraction_by_harvest.h"
#include "SPTK/analysis/pitch_extraction_by_rapt.h"
#include "SPTK/analysis/pitch_extraction_by_reaper.h"
#include "SPTK/analysis/pitch_extraction_by_swipe.h"
namespace sptk {
PitchExtraction::PitchExtraction(int frame_shift, double sampling_rate,
double lower_f0, double upper_f0,
double voicing_threshold,
PitchExtraction::Algorithms algorithm) {
switch (algorithm) {
case kRapt: {
pitch_extraction_ = new PitchExtractionByRapt(
frame_shift, sampling_rate, lower_f0, upper_f0, voicing_threshold);
break;
}
case kSwipe: {
pitch_extraction_ = new PitchExtractionBySwipe(
frame_shift, sampling_rate, lower_f0, upper_f0, voicing_threshold);
break;
}
case kReaper: {
pitch_extraction_ = new PitchExtractionByReaper(
frame_shift, sampling_rate, lower_f0, upper_f0, voicing_threshold);
break;
}
case kDio: {
pitch_extraction_ = new PitchExtractionByDio(
frame_shift, sampling_rate, lower_f0, upper_f0, voicing_threshold);
break;
}
case kHarvest: {
pitch_extraction_ = new PitchExtractionByHarvest(
frame_shift, sampling_rate, lower_f0, upper_f0, voicing_threshold);
break;
}
default: {
pitch_extraction_ = NULL;
break;
}
}
}
bool PitchExtraction::Run(const std::vector<double>& waveform,
std::vector<double>* f0, std::vector<double>* epochs,
PitchExtractionInterface::Polarity* polarity) const {
if (!IsValid()) {
return false;
}
return pitch_extraction_->Get(waveform, f0, epochs, polarity);
}
} // namespace sptk