From: Manjunathan PY (pymanju_at_miel.mot.com)
Date: 2002-08-13 05:21:40 UTC
On Mon, Aug 12, 2002 at 08:12:29PM +0530, Manjunathan PY wrote:
> Can anyone tell me why there is a lot of jitters during video streaming
> through D-Link DWL 650 PCMCIA card which acting as a Access Point.
> In fact the video is displayed frame by frame on the mobile station.
>Is the video displayed on the AP running Host AP driver or in the
>station associated to the AP (running Host AP driver)? Which version of
>Host AP driver you used?
In the station assocated to the AP running Host AP driver. Version used is Prism2-2002-05-19.tar.gz
>Prism2 cards use quite CPU consuming method for frame copying between
>the card and host CPU. Current version of the driver does this copying
>in the interrupt handler for RX and with interrupts disabled for TX
>(this should be changed to operate without disabling interrupts if
>possible). This might well cause problems to applications needed exact
>timing and small latencies like video playback.
How do I configure the HostAP driver?, such that I get maximum performance out of it ( even if it is CPU intensive operation on AP ).
Thanks for the prompt reply!