linux-kernel - Re: high speed cams are not working on usbip

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Date:	Mon, 16 Jan 2012 10:48:52 +0800
From:	David Chang <dchang@...e.com>
To:	nagarjun kommineni <nagarjunkommineni@...il.com>
Cc:	joeyli <jlee@...e.com>, linux-kernel@...r.kernel.org,
	gregkh@...e.de, devel@...verdev.osuosl.org,
	linux-usb@...r.kernel.org
Subject: Re: high speed cams are not working on usbip

Hi,

在 2012年1月11日下午3:47，nagarjun kommineni <nagarjunkommineni@...il.com> 寫道：
> hi,
> these are the my test specifications.
>
> OS:            Scientific Linux 6.1 (default kernel 2.6.32)
> Kernel:       3.1.4 (I have built it)
> Web Cam:  Logitech Pro 9000
> Test App:   Gstreamer
>
> To see the web cam output I have used the Gstreamer  with the following
> command.
> gst-launch v4l2src ! video/x-raw-yuv,width=160,height=120,framerate=15/1 !
> ffmpegcolorspace ! autovideosink
>
> my cam supported resloutions are 160*120, 176*144, 320*240, 352*288,
> 640*480, 800*600, 960*720, 1600*1200.
>
> it works fine upto 320*240, beyond this it doesn't work.

What's the speed of server and client network interface?

David
>
>
> 2012/1/10 David Chang <dchang@...e.com>
>>
>> Hi Joey,
>>
>> 2012/1/10 joeyli <jlee@...e.com>:
>> > 於 二，2012-01-10 於 13:46 +0530，nagarjun kommineni 提到：
>> >> Hi,
>> >>
>> >> problem with usbip in drivers/staging/usbip
>> >>
>> >>  I have configured one pc as server and one as client, with this
>> >> configuration high speed web cams are not working for higher
>> >> resolutions.
>> >>
>> >
>> > How "high" does this web's speed?
>> >
>> >> please have a look at this problem.
>> >>
>> >
>> > David,
>> > as I remember you test webcam in old kernel before? looks works fine.
>>
>> Yes, but I would suggest using lower resolution.
>>
>> Regards,
>> David
>> >
>> >
>> > Thanks
>> > Joey Lee
>> >
>> >
>> > --
>> > To unsubscribe from this list: send the line "unsubscribe linux-kernel"
>> > in
>> > the body of a message to majordomo@...r.kernel.org
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>> > Please read the FAQ at  http://www.tux.org/lkml/
>
>
>
>
> --
> Regards,
> Nagarjuna Kommineni.
>
>
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