MMIOM_CODEC_DECOMPRESS - Description

This message requests the CODEC Proc to decompress the data.

phCODEC (PHCODEC)

Pointer to CODEC handle.

usMsg (USHORT)

Set to MMIOM_CODEC_DECOMPRESS.

lParam1 (LONG)

Pointer to the MMVIDEODECOMPRESS structure.

lParam2 (LONG)

This parameter is not used.

rc (ULONG)

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.

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