libatrac9.h

#pragma once
#ifdef __cplusplus
extern "C" {
#endif

#ifdef _MSC_VER
#ifdef COMPILING_DLL 
#define DLLEXPORT __declspec(dllexport)
#else
#define DLLEXPORT __declspec(dllimport)  
#endif
#else
#define DLLEXPORT
#endif

#define ATRAC9_CONFIG_DATA_SIZE 4

typedef struct {
	int channels;
	int channelConfigIndex;
	int samplingRate;
	int superframeSize;
	int framesInSuperframe;
	int frameSamples;
	int wlength;
	unsigned char configData[ATRAC9_CONFIG_DATA_SIZE];
} Atrac9CodecInfo;

typedef enum {
	kAtrac9FormatS16,
	kAtrac9FormatS32,
	kAtrac9FormatF32,
	kAtrac9FormatF64,
} Atrac9Format;

DLLEXPORT void* Atrac9GetHandle(void);
DLLEXPORT void Atrac9ReleaseHandle(void* handle);

DLLEXPORT int Atrac9InitDecoder(void* handle, unsigned char *pConfigData);
DLLEXPORT int Atrac9Decode(void* handle, const void *pAtrac9Buffer, void *pPcmBuffer, Atrac9Format format, int *pNBytesUsed);

DLLEXPORT int Atrac9GetCodecInfo(void* handle, Atrac9CodecInfo *pCodecInfo);

#ifdef __cplusplus
}
#endif