MMIOM_CODEC_QUERYNAME
Appearance
This message is sent to the CODEC procedure by mmioQueryCODECName to request the CODEC name.
Syntax
param1 PHCODEC phCODEC; /* Pointer to CODEC handle. */ param2 USHORT usMsg; /* Set to MMIOM_CODEC_QUERYNAME. */ param3 LONG lParam1; /* Pointer to the name-string buffer. */ param4 LONG lParam2; /* Pointer to the name-string buffer length in bytes. */
Parameters
- phCODEC (PHCODEC) - input
- Pointer to CODEC handle.
- usMsg (USHORT) - input
- Set to **MMIOM_CODEC_QUERYNAME**.
- lParam1 (LONG) - input
- Pointer to the name-string buffer.
- lParam2 (LONG) - input/output
- Pointer to the name-string buffer length in bytes. On output, the actual number of bytes read is returned.
Returns
- rc (ULONG) - returns
- Return codes indicating success or failure:
- MMIO_SUCCESS The information is requested successfully.
- MMIO_ERROR An error code is returned.
Remarks
This section has no remarks.