Click here to Skip to main content
11,409,801 members (48,556 online)
Rate this: bad
Please Sign up or sign in to vote.
See more: Windows USB Driver Webcam
hello,I'm a windows programmer. I've recently met a problem on usb driver, sincerely hope I could get your reply.
My usb driver doesn't work well with usb device. It's a webcam device. when I start this webcam, it always display white no matter what we show before it. I use bus hound to analyse it's urb data. All shows normal except URB_ISOCH_TRANSFER. It seems the device lose a lot of packets. The platform is Windows XP. Is there any trick on iso transfer? by the way,Does StartFrame in URB_ISOCH_TRANSFER struct change every time when I sumbit urb? Is there any example?
Posted 5-Dec-12 5:42am

This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

  Print Answers RSS
0 Sergey Alexandrovich Kryukov 270
1 OriginalGriff 255
2 Maciej Los 138
3 Andy Lanng 115
4 Sascha Lefévre 85
0 Sergey Alexandrovich Kryukov 8,771
1 OriginalGriff 6,905
2 Maciej Los 3,390
3 Abhinav S 3,248
4 Peter Leow 3,059

Advertise | Privacy | Mobile
Web04 | 2.8.150414.5 | Last Updated 5 Dec 2012
Copyright © CodeProject, 1999-2015
All Rights Reserved. Terms of Service
Layout: fixed | fluid

CodeProject, 503-250 Ferrand Drive Toronto Ontario, M3C 3G8 Canada +1 416-849-8900 x 100