MMIOM_CODEC_QUERYNAMELENGTH - Description

This message is sent to the CODEC procedure by mmioQueryCODECNameLength to request the length of the CODEC name.

phCODEC (PHCODEC)

Pointer to CODEC handle.

usMsg (USHORT)

Set to MMIOM_CODEC_QUERYNAMELENGTH.

lParam1 (LONG)

Pointer to the length in bytes of the CODEC name string.

lParam2 (LONG)

This parameter is not used.

rc (ULONG)

Return codes indicating success or failure:

MMIO_SUCCESS

The information is requested successfully.
MMIO_ERROR
An error code is returned.

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