[haiku-bugs] Re: [Haiku] #1045: USB isochronous streams
- From: "siarzhuk" <trac@xxxxxxxxxxxx>
- Date: Thu, 09 Aug 2012 09:21:53 -0000
#1045: USB isochronous streams
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Reporter: wkornewald | Owner: siarzhuk
Type: enhancement | Status: assigned
Priority: normal | Milestone: R1
Component: Drivers/USB | Version: R1/pre-alpha1
Resolution: | Keywords:
Blocked By: | Blocking:
Has a Patch: 0 | Platform: All
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Comment (by siarzhuk):
Replying to [comment:10 modeenf]:
> Nice.. I will save that link ;)
>
> If I have understode isochronous. Isochronous are needed for streamin
over USB.
> Then Bluetooth and usb webcam need's it?
It depend on the nature of transferred data. Isochronous is intended for
time-critical faults-tolerant data streams. Typical samples of such data
are audio or video streams that can lost some part of frames repeatedly
without affecting on subjective data consistency. AFAIK Bluetooth provides
very wide set of data transfer models. Some of those models can be faults-
tolerant (audio-data) some will require data safety.
You can use the listusb -v to get info about your bluetooth device - in
case there are some isochronous endpoints listed - you will need this
support form the stack.
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Ticket URL: <http://dev.haiku-os.org/ticket/1045#comment:11>
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