// Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved. // // 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. #pragma once #include "pybind11/pybind11.h" #include "pybind11/numpy.h" #include "kaldi-native-fbank/csrc/feature-window.h" namespace paddleaudio { namespace kaldi { namespace py = pybind11; template class StreamingFeatureTpl { public: typedef typename F::Options Options; StreamingFeatureTpl(const Options& opts); bool ComputeFeature(const std::vector& wav, std::vector* feats); void Reset() { remained_wav_.resize(0); } int Dim() { return computer_.Dim(); } private: bool Compute(const std::vector& waves, std::vector* feats); Options opts_; knf::FeatureWindowFunction window_function_; std::vector remained_wav_; F computer_; }; } // namespace kaldi } // namespace ppspeech #include "feature_common_inl.h"