MMIOM CODEC COMPRESS: Difference between revisions
Created page with "{{DISPLAYTITLE:MMIOM_CODEC_COMPRESS}} This message requests that data be compressed by the CODEC. ==Syntax== <PRE> param1 PHCODEC phCODEC; →Pointer to CODEC handle.: param2 USHORT usMsg; →Set to MMIOM_CODEC_COMPRESS.: param3 LONG lParam1; →Pointer to an MMCOMPRESS structure.: param4 LONG lParam2; →This parameter is not used.: </PRE> ==Parameters== ;''phCODEC'' (PHCODEC) - input :Pointer to CODEC handle. ;''usMsg'' (USHORT) - input :Set to **..." |
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==Parameters== | ==Parameters== | ||
;''phCODEC'' ([[ | ;''phCODEC'' (P[[HCODEC]]) - input | ||
:Pointer to CODEC handle. | :Pointer to CODEC handle. | ||
Latest revision as of 01:54, 26 November 2025
This message requests that data be compressed by the CODEC.
Syntax
param1 PHCODEC phCODEC; /* Pointer to CODEC handle. */ param2 USHORT usMsg; /* Set to MMIOM_CODEC_COMPRESS. */ param3 LONG lParam1; /* Pointer to an MMCOMPRESS structure. */ param4 LONG lParam2; /* This parameter is not used. */
Parameters
- phCODEC (PHCODEC) - input
- Pointer to CODEC handle.
- usMsg (USHORT) - input
- Set to **MMIOM_CODEC_COMPRESS**.
- lParam1 (LONG) - input
- Pointer to an MMCOMPRESS structure.
- lParam2 (LONG) - input
- This parameter is not used.
Returns
- rc (ULONG) - returns
- Return codes indicating success or failure:
- MMIO_SUCCESS The data is compressed successfully.
- MMIO_ERROR An error code is returned.
Remarks
This section has no remarks.