what should i do when the SRB_OPEN_STREAM message send to my minidriver

Hi:
I am a new minidriver developer,when the SRB_INITIALIZE_DEVICE message
arrived ,i think at this time i should use the
PORT_CONFIGURATION_INFORMATION to initialize my device.
and when the SRB_GET_DATA_INTERSECTION arrivedk, i should set the
device support video format .
but when the SRB_OPEN_STREAM message what should i do for the device.

thanks lot.


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