Re: why VIDIOCSYNC is not working

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Hi,

On Wednesday 12 December 2001 06:35, Li Tan wrote:
> Hi, I am using Philips ToU usb cam in redhat 7.2. After I fixed
> VIDIOCMCAPTURE, I met another problem that VIDIOCSYNC is not working, and
> the error is invalid argument. while(i<0){
>
>    i= ioctl(cam,VIDIOCSYNC, &frame);
>    if(i < 0 && errno == EINTR) continue;
>    if (i < 0) {       // it start to capture to
>     perror ("VIDIOCSYNC");     // the other buffer.
>     exit(-1);
>    }
>   break;
>
> What's wrong with it, is there any special thing for ToU cam?

No. Please send me your code, and I can have a look at it. It's probably 
related to your 'fix' to VIDIOCMCAPTURE.

 - Nemosoft






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