#include <audiodecoder.h>
#include "adpcm_impl.h"
class ADPCM_Decoder : public IAudioDecoder
{
    adpcm_state state;
public:
    ADPCM_Decoder(WAVEFORMATEX*, void*);
    int GetMinSize(){return 2036*in_fmt.nChannels;}
    int Convert(unsigned char* in_data, Unsigned in_size,
	     unsigned char* out_data, Unsigned out_size,
	    Unsigned* size_read, Unsigned* size_written);
    int Close(){}
};