Re: How to programatically define incoming frame size

i have try this 
VidFormat vidFmt={WIDTH, HEIGHT, FRAMESPERSEC};
cvcamSetProperty(camIdx, CVCAM_PROP_SETFORMAT, &vidFmt);

but didn't work for me....

i get this error:
'VideoFormat' : undeclared identifier

why?? what to do??
      
>    Date: Tue, 30 Aug 2005 01:00:05 -0000
>    From: "Saurabh Garg" <saurgarg@...>
> Subject: Re: How to programatically define incoming frame size
> 
> Hi I am not sure why this doesnt work but you can change image 
> resolution using 
> 
> VidFormat vidFmt={WIDTH, HEIGHT, FRAMESPERSEC};
> cvcamSetProperty(camIdx, CVCAM_PROP_SETFORMAT, &vidFmt);
> 
> -Saurabh
> 
> --- In OpenCV@xxxxxxxxxxxxxxx, Javed Shaikh <jas71pk@xxxx> wrote:
> > 
> > Hi
> > 
> > I want to programatically define the incoming video frame size to 
> be 320x240 for all types of cameras that I have. I tried the 
> following code patches (in OpenCV4b), but they don't affect the 
> frame size. The frame size coming from the camera is always the one 
> which is the default size set in the camera! One camera gives 
> 320x240 frame size by default, and other camera send 640x480 frame 
> size by default.
> > 
> > Here are the patches:
> > 
> > Approach # 1: 
> > 
> > int frameWidth = 160;
> > 
> > int frameHeight = 120;
> > 
> > cvcamSetProperty(0, CVCAM_RNDWIDTH, (void*)&frameWidth);
> > 
> > cvcamSetProperty(0, CVCAM_RNDHEIGHT, (void*)&frameHeight);
> > 
> > Approach # 2: 
> > 
> > int frameWidth = 160;
> > 
> > int frameHeight = 120;
> > 
> > cvcamSetProperty(0, CVCAM_RNDWIDTH, &frameWidth);
> > 
> > cvcamSetProperty(0, CVCAM_RNDHEIGHT, &frameHeight);
> > 
> > Can someone please tell me what the problem is with the above 
> codes lines?
> > 
> > One more query: How can we know programatically, what is the 
> frames/second set in the camera (using OpenCV 4b)?
> > 
> > Regards!
> > 
> > Javed
> 
> 
>               
> ---------------------------------
>  Start your day with Yahoo! - make it your home page
>







Change settings: http://www.yahoogroups.com/mygroups, select
   Get Emails (get all posts)
   Daily Digest (one summary email per day)
   Read on the web (read posts on the web only)Or Unsubscribe by mailing 
OpenCV-unsubscribe@xxxxxxxxxxxxxxx