XWAV_HEADERINFO

This structure is a subheader of the audio header and is usually contained within the MMXWAV_HEADER structure. It contains information about the length of the standard presentation format for audio data. It is returned on mmioGetHeader and used on mmioSetHeader when the HMMIO refers to an open audio file or to an open movie file when the active track is set to audio.

 typedef struct _XWAV_HEADERINFO {
   ULONG     ulAudioLengthInMS;       /* Audio length in milliseconds. */
   ULONG     ulAudioLengthInBytes;    /* Audio length in bytes. */
   PVOID     pAdditionalInformation;  /* Pointer to specific info. */
 } XWAV_HEADERINFO;
 
 typedef   XWAV_HEADERINFO * PXWAV_HEADERINFO;