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45 lines
1.3 KiB
C++
Vendored
45 lines
1.3 KiB
C++
Vendored
/*
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* Copyright 2019 The Android Open Source Project
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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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*/
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#ifndef OBOE_LINEAR_RESAMPLER_H
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#define OBOE_LINEAR_RESAMPLER_H
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#include <memory>
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#include <sys/types.h>
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#include <unistd.h>
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#include "oboe_flowgraph_resampler_MultiChannelResampler_android.h"
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namespace resampler {
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/**
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* Simple resampler that uses bi-linear interpolation.
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*/
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class LinearResampler : public MultiChannelResampler {
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public:
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LinearResampler(const MultiChannelResampler::Builder &builder);
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void writeFrame(const float *frame) override;
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void readFrame(float *frame) override;
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private:
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std::unique_ptr<float[]> mPreviousFrame;
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std::unique_ptr<float[]> mCurrentFrame;
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};
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} // namespace resampler
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#endif //OBOE_LINEAR_RESAMPLER_H
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