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MMIOM_CODEC_QUERYNAME

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Revision as of 02:02, 26 November 2025 by Martini (talk | contribs) (Created page with "{{DISPLAYTITLE:MMIOM_CODEC_QUERYNAME}} This message is sent to the CODEC procedure by mmioQueryCODECName to request the CODEC name. ==Syntax== <PRE> 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.: </PRE> ==Parameters== ;''phCODEC'' (PHCODEC) - input :Pointer...")
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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.

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