This structure contains information used on MMIOM_COMPRESS and MMIOM_CODEC_COMPRESS messages.
typedef struct _MMCOMPRESS {
ULONG ulStructLen; /* Length of this structure. */
ULONG ulFlags; /* Command and status flags. */
ULONG ulSrcBufLen; /* Source buffer size. */
PVOID pSrcBuf; /* Source buffer. */
ULONG ulDstBufLen; /* Destination buffer length. */
PVOID pDstBuf; /* Destination buffer. */
PVOID pRunTimeInfo; /* Control information. */
} MMCOMPRESS;
typedef MMCOMPRESS * PMMCOMPRESS ;