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/*
* Copyright (C) 2020 The Android Open Source Project
*
* 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.
*/
#ifndef _PLAYER_SAMPLEBUFFER_
#define _PLAYER_SAMPLEBUFFER_
#include <wav/WavStreamReader.h>
namespace iolib {
/*
* Defines the relevant properties of the audio data being sourced.
*/
struct AudioProperties {
int32_t channelCount;
int32_t sampleRate;
};
class SampleBuffer {
public:
SampleBuffer() : mNumSamples(0) {};
~SampleBuffer() { unloadSampleData(); }
// Data load/unload
void loadSampleData(parselib::WavStreamReader* reader);
void unloadSampleData();
void resampleData(int sampleRate);
virtual AudioProperties getProperties() const { return mAudioProperties; }
float* getSampleData() { return mSampleData; }
int32_t getNumSamples() { return mNumSamples; }
protected:
AudioProperties mAudioProperties;
float* mSampleData;
int32_t mNumSamples;
};
}
#endif //_PLAYER_SAMPLEBUFFER_
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