MMEXTENDINFO

This structure contains information used on an mmioSet function call to digital video I/O procedure. It contains information used to associate a CODEC with an open file or to query information about CODECs already loaded. This structure also provides a way of setting attributes used in reading and writing from a digital video movie file.

typedef struct _MMEXTENDINFO {
  ULONG           ulStructLen;  /*  Structure length. */
  ULONG           ulBufSize;    /*  Total buffer size. */
  ULONG           ulFlags;      /*  Flags. */
  ULONG           ulTrackID;    /*  Track ID. */
  ULONG           ulNumCODECs;  /*  Number of CODEC entries. */
  PCODECASSOC     pCODECAssoc;  /*  Pointer to CODECASSOC. */
} MMEXTENDINFO;

typedef   MMEXTENDINFO   * PMMEXTENDINFO ;