Re: high speed cams are not working on usbip

[David Chang]

Hi,

? 2012?1?30???8:58?nagarjun kommineni <nagarjunkommineni@xxxxxxxxx> ???
>
> Hi,
>
> I found that, beyond the resolution 352*288, network utilisation is beyond
> 100Mbps.
>

If I remember correctly, the usbip sugget using gigabit ethernet.
Since the maximum speed of usb 2.0 is 480Mb/s bigger than 100Mbps.

Regards,
David

>
> 2012/1/20 nagarjun kommineni <nagarjunkommineni@xxxxxxxxx>
>>
>> Hi,
>>
>> I think we need to increase the depth of video buffers in UVC subsystem.
>>
>>
>> On 1/16/12, nagarjun kommineni <nagarjunkommineni@xxxxxxxxx> wrote:
>> > Hi,
>> >
>> > Both server and client are working at 100Mbps.
>> >
>> > On 1/16/12, David Chang <dchang@xxxxxxxx> wrote:
>> >> Hi,
>> >>
>> >> ? 2012?1?11???3:47?nagarjun kommineni <nagarjunkommineni@xxxxxxxxx> ???
>> >>> 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@xxxxxxxx>
>> >>>>
>> >>>> Hi Joey,
>> >>>>
>> >>>> 2012/1/10 joeyli <jlee@xxxxxxxx>:
>> >>>> > ? ??2012-01-10 ? 13:46 +0530?nagarjun kommineni ???
>> >>>> >> 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@xxxxxxxxxxxxxxx
>> >>>> > More majordomo info at  http://vger.kernel.org/majordomo-info.html
>> >>>> > Please read the FAQ at  http://www.tux.org/lkml/
>> >>>
>> >>>
>> >>>
>> >>>
>> >>> --
>> >>> Regards,
>> >>> Nagarjuna Kommineni.
>> >>>
>> >>>
>> >>
>> >
>> >
>> > --
>> > Regards,
>> > Nagarjuna Kommineni.
>> >
>>
>>
>> --
>> Regards,
>> Nagarjuna Kommineni.
>
>
>
>
> --
> Regards,
> Nagarjuna Kommineni.
>
>
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