India/cocos2d-x/cocos/audio/android/AudioDecoder.h

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Copyright (c) 2016 Chukong Technologies Inc.
Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.

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#pragma once

#include "audio/android/OpenSLHelper.h"
#include "audio/android/PcmData.h"
#include "base/CCData.h"

namespace cocos2d { namespace experimental {

class AudioDecoder
{
public:
    AudioDecoder();
    virtual ~AudioDecoder();

    virtual bool init(const std::string &url, int sampleRate);

    bool start();

    inline PcmData getResult()
    { return _result; };

protected:
    virtual bool decodeToPcm() = 0;
    bool resample();
    bool interleave();

    static size_t fileRead(void* ptr, size_t size, size_t nmemb, void* datasource);
    static int fileSeek(void* datasource, int64_t offset, int whence);
    static int fileClose(void* datasource);
    static long fileTell(void* datasource);

    std::string _url;
    PcmData _result;
    int _sampleRate;
    Data _fileData;
    size_t _fileCurrPos;
};

}} // namespace cocos2d { namespace experimental {