Re: question for soc-camera driver

[Guennadi Liakhovetski <g.liakhovetski@xxxxxx>]

Hi

you still haven't replied how you count processed / dropped frames. 
Without this I cannot really understand where your problem may be.

On Sat, 19 Apr 2008, ·ëöÎ wrote:

> Thanks I will try according to what you said. Mybe I can find why I
> have this problem.But a driver come from MontaVista can also work
> well.No frame is dropped.
> 
> Now I find MontaVista driver have a problem.I execute VIDIOC_REQBUFS
> failed After I execute VIDIOC_STREAMOFF and munmap() .This time
> soc-camera driver can work well.You can give me some advice.

Do you mean, that after you captured video with MontaVista's driver, the 
soc-camera driver works without dropping frames too? And you didn't reboot 
between the tests? This looks like mvista's driver has configured the 
hardware in a more optimal way, which, however, I don't quite understand. 
As far as I know, pxa-camera initializes the hardware completely. Maybe I 
can have a look some time at the sources you've sent me to see what they 
might be initializing differently. No promise though.

Thanks
Guennadi
---
Guennadi Liakhovetski

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