## MMPM/2 Device Driver Reference

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### VCASTREAM

This structure contains fields for the VCAI_PLAY function.

    typedef struct _VCASTREAM {

      ULONG     ulLength;     /*  Length of image data. */

      PVOID     pImageData;   /*  Pointer to image data. */

      ULONG     ulFlags;      /*  Flag information. */

      ULONG     ulSCR;        /*  MPEG system clock reference (SCR). */

      ULONG     ulPTS;        /*  MPEG presentation time stamp (PTS). */

      ULONG     ulAudioTime;  /*  Current audio stream time. */

    } VCASTREAM;

    typedef   VCASTREAM   FAR   *   PVCASTREAM ;