MMIOM_CODEC_DECOMPRESS
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This message requests the CODEC Proc to decompress the data.
Syntax
param1 PHCODEC phCODEC; param2 USHORT usMsg; param3 LONG lParam1; param4 LONG lParam2;
Parameters
- phCODEC (PHCODEC) - input
- Pointer to CODEC handle.
- usMsg (USHORT) - input
- Set to **MMIOM_CODEC_DECOMPRESS**.
- lParam1 (LONG) - input
- Pointer to the MMVIDEODECOMPRESS structure.
- lParam2 (LONG) - input
- This parameter is not used.
Returns
- rc (ULONG) - returns
- Return codes indicating success or failure:
- MMIO_SUCCESS The data is requested successfully.
- MMIO_ERROR An error code is returned.
- MMIOERR_ERROR_IN_FRAME_DATA An invalid frame was detected.
- MMIOERR_INVALID_DIM_ALIGN An invalid pixel alignment was detected.