You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
62 lines
1.8 KiB
62 lines
1.8 KiB
// 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 "base/common.h"
|
|
#include "frontend/frontend_itf.h"
|
|
|
|
using std::vector;
|
|
|
|
namespace ppspeech {
|
|
|
|
// Simulates audio/feature input, by returning data from a Vector.
|
|
// This class is mostly meant to be used for online decoder testing using
|
|
// pre-recorded audio/feature
|
|
class DataCache : public FrontendInterface {
|
|
public:
|
|
DataCache() : finished_{false}, dim_{0} {}
|
|
|
|
// accept waves/feats
|
|
void Accept(const std::vector<kaldi::BaseFloat>& inputs) override {
|
|
data_ = std::move(inputs);
|
|
}
|
|
|
|
bool Read(vector<kaldi::BaseFloat>* feats) override {
|
|
if (data_.size() == 0) {
|
|
return false;
|
|
}
|
|
(*feats) = std::move(data_);
|
|
data_.resize(0);
|
|
return true;
|
|
}
|
|
|
|
void SetFinished() override { finished_ = true; }
|
|
bool IsFinished() const override { return finished_; }
|
|
size_t Dim() const override { return dim_; }
|
|
void SetDim(int32 dim) { dim_ = dim; }
|
|
void Reset() override {
|
|
finished_ = true;
|
|
dim_ = 0;
|
|
}
|
|
|
|
private:
|
|
std::vector<kaldi::BaseFloat> data_;
|
|
bool finished_;
|
|
int32 dim_;
|
|
|
|
DISALLOW_COPY_AND_ASSIGN(DataCache);
|
|
};
|
|
} // namespace ppspeech
|