typedef struct mpeglayer3waveformat_tag {
  WAVEFORMATEX  wfx;
  WORD          wID;
  DWORD         fdwFlags;
  WORD          nBlockSize;
  WORD          nFramesPerBlock;
  WORD          nCodecDelay;
} MPEGLAYER3WAVEFORMAT;

typedef MPEGLAYER3WAVEFORMAT          *PMPEGLAYER3WAVEFORMAT;

typedef MPEGLAYER3WAVEFORMAT NEAR    *NPMPEGLAYER3WAVEFORMAT;

typedef MPEGLAYER3WAVEFORMAT FAR     *LPMPEGLAYER3WAVEFORMAT;