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- #ifndef MP3READER_H_
- #define MP3READER_H_
- typedef struct {
- size_t (*read) (void *ptr, size_t size, size_t nmemb, void *datasource);
- int (*seek) (void *datasource, int64_t offset, int whence);
- int (*close) (void *datasource);
- long (*tell) (void *datasource);
- } mp3_callbacks;
- class Mp3Reader {
- public:
- Mp3Reader();
- bool init(mp3_callbacks *callback, void* source);
- bool getFrame(void *buffer, uint32_t *size);
- uint32_t getSampleRate() { return mSampleRate;}
- uint32_t getNumChannels() { return mNumChannels;}
- void close();
- ~Mp3Reader();
- private:
- void *mSource;
- mp3_callbacks* mCallback;
- uint32_t mFixedHeader;
- off64_t mCurrentPos;
- uint32_t mSampleRate;
- uint32_t mNumChannels;
- uint32_t mBitrate;
- };
- int decodeMP3(mp3_callbacks* cb, void* source, std::vector<char>& pcmBuffer, int* numChannels, int* sampleRate, int* numFrames);
- #endif
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