MMIOM CODEC QUERYNAME

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.