DVM_STREAM_FREEBUFFER

Notifies a video capture driver to free data buffers on the capture device that were allocated using the DVM_STREAM_ALLOCBUFFER message.

DV_ERR_INVALHANDLE Indicates the specified device handle is not valid.
DV_ERR_NOTSUPPORTED Indicates the device does not have on-board memory.

dwParam1
Address of the buffer to be freed.
dwParam2
Not used.