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spk_model.cc
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spk_model.cc
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// Copyright 2020 Alpha Cephei Inc.
//
// 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 "spk_model.h"
SpkModel::SpkModel(const char *speaker_path) {
std::string speaker_path_str(speaker_path);
ReadConfigFromFile(speaker_path_str + "/mfcc.conf", &spkvector_mfcc_opts);
spkvector_mfcc_opts.frame_opts.allow_downsample = true; // It is safe to downsample
ReadKaldiObject(speaker_path_str + "/final.ext.raw", &speaker_nnet);
SetBatchnormTestMode(true, &speaker_nnet);
SetDropoutTestMode(true, &speaker_nnet);
CollapseModel(nnet3::CollapseModelConfig(), &speaker_nnet);
ReadKaldiObject(speaker_path_str + "/mean.vec", &mean);
ReadKaldiObject(speaker_path_str + "/transform.mat", &transform);
ref_cnt_ = 1;
}
void SpkModel::Ref()
{
std::atomic_fetch_add_explicit(&ref_cnt_, 1, std::memory_order_relaxed);
}
void SpkModel::Unref()
{
if (std::atomic_fetch_sub_explicit(&ref_cnt_, 1, std::memory_order_release) == 1) {
std::atomic_thread_fence(std::memory_order_acquire);
delete this;
}
}