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36 lines
1.3 KiB
36 lines
1.3 KiB
// Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "frontend/audio/feature_pipeline.h"
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namespace ppspeech {
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using std::unique_ptr;
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FeaturePipeline::FeaturePipeline(const FeaturePipelineOptions& opts) {
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unique_ptr<FrontendInterface> data_source(
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new ppspeech::AudioCache(1000 * kint16max, opts.convert2PCM32));
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unique_ptr<FrontendInterface> linear_spectrogram(
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new ppspeech::LinearSpectrogram(opts.linear_spectrogram_opts,
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std::move(data_source)));
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unique_ptr<FrontendInterface> cmvn(
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new ppspeech::CMVN(opts.cmvn_file, std::move(linear_spectrogram)));
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base_extractor_.reset(
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new ppspeech::FeatureCache(opts.feature_cache_opts, std::move(cmvn)));
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}
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} // ppspeech
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