search

leo-xiong / rowboat

Automatically exported from code.google.com/p/rowboat
https://code.google.com/p/rowboat
0 stars 0 forks source link

USB 2.0 PC Cam problem in froyo middle ware #94

Open GoogleCodeExporter opened 9 years ago

GoogleCodeExporter commented 9 years ago 
hello all,

i am working on beagle board with rowboat-froyo(android OS) and i had connected 
USB 2.0 PC Cam to it,when i was trying to run the camera built in application. 
it's thrown exception error and crash the application.

as for my knowledge there is no problem in the driver part,it has created 
/dev/video0 successfully and also i had small experimented like i am usingsame 
kernel and angstrom filesystem then there is no problem with cam,there i have 
been using the mplayer tool to run the cam. so it's playing video fine.

please suggest me how to solve this problem

this my error log file

Original issue reported on code.google.com by kvraju....@gmail.com on 29 Apr 2011 at 3:18

Attachments:

GoogleCodeExporter commented 9 years ago 
[deleted comment]
GoogleCodeExporter commented 9 years ago 
I got the same behavior when I try to "take a picture" - after set some debug 
messages I noted some ioctl's failed to access video resources, like:

GrabJpegFrame: VIDIOC_DQBUF Failed
Open: VIDIOC_S_FMT Failed: Device or resource busy

I'm using Froyowith YUV422SP UVC.

Original comment by tiago.ma...@gmail.com on 24 Oct 2011 at 5:55