Windows Image Acquisition (WIA)

Posted: 09-01-2003, 01:10 PM

Guest
Posts: n/a

Image Size Question: When a digital camcorder is
connected via 1394 cable, WIA identifies camera as a AVC
Compatible DV Camcorder and shows a live video feed of
the camera. What controls the size of the image when I
catpure a picture from the live video feed? I am getting
360x240 size and am wanting 640x480. Is it a camera
limitation or simply a current industry standard?
-Camera tested: Canon Elura 50

Thanks

Responses to "Windows Image Acquisition (WIA)"

David Shiflet [MS]

Guest
Posts: n/a

Re: Windows Image Acquisition (WIA)

Posted: 09-02-2003, 07:34 PM

It's a limitation of WIA on XP. Other software can render higher resolution
stills. The WIA UI just provides basic functionality.

"Oz" <osvaldom@trueautomation.com> wrote in message
news:067801c37082$07aaa870$a501280a@phx.gbl...

> Image Size Question: When a digital camcorder is
> connected via 1394 cable, WIA identifies camera as a AVC
> Compatible DV Camcorder and shows a live video feed of
> the camera. What controls the size of the image when I
> catpure a picture from the live video feed? I am getting
> 360x240 size and am wanting 640x480. Is it a camera
> limitation or simply a current industry standard?
> -Camera tested: Canon Elura 50
>
> Thanks

Quaoar

Guest
Posts: n/a

Re: Windows Image Acquisition (WIA)

Posted: 09-03-2003, 04:21 AM

Oz wrote:

> Image Size Question: When a digital camcorder is
> connected via 1394 cable, WIA identifies camera as a AVC
> Compatible DV Camcorder and shows a live video feed of
> the camera. What controls the size of the image when I
> catpure a picture from the live video feed? I am getting
> 360x240 size and am wanting 640x480. Is it a camera
> limitation or simply a current industry standard?
> -Camera tested: Canon Elura 50
>
> Thanks

As an alternative, have you tried MovieMaker 2? It *might* be capable
of doing what you want. You might check the postings in
microsoft.public.windowsxp.moviemaker.

Q

James

Guest
Posts: n/a

Re: Windows Image Acquisition (WIA)

Posted: 09-03-2003, 04:30 PM

Is this a limitation of the WIA API, or a limitation in
XP's use of the WIA API?

>-----Original Message-----
>It's a limitation of WIA on XP. Other software can

render higher resolution

>stills. The WIA UI just provides basic functionality.
>
>"Oz" <osvaldom@trueautomation.com> wrote in message
>news:067801c37082$07aaa870$a501280a@phx.gbl...
>> Image Size Question: When a digital camcorder is
>> connected via 1394 cable, WIA identifies camera as a

AVC

>> Compatible DV Camcorder and shows a live video feed of
>> the camera. What controls the size of the image when I
>> catpure a picture from the live video feed? I am

getting

>> 360x240 size and am wanting 640x480. Is it a camera
>> limitation or simply a current industry standard?
>> -Camera tested: Canon Elura 50
>>
>> Thanks
>
>
>.
>

David Shiflet [MS]

Guest
Posts: n/a

Re: Windows Image Acquisition (WIA)

Posted: 09-03-2003, 06:12 PM

The WIA API doesn't do anything to expose still capture on video cameras.
The WIA driver for video cameras simply exposes the captured images for
download from the temporary holding folder. The UI for still capture is just
using a simple DirectShow filter.

"James" <jamesw@trueautomation.com> wrote in message
news:0d1d01c37230$420e5ca0$a501280a@phx.gbl...

> Is this a limitation of the WIA API, or a limitation in
> XP's use of the WIA API?
>
> >-----Original Message-----
> >It's a limitation of WIA on XP. Other software can
> render higher resolution
> >stills. The WIA UI just provides basic functionality.
> >
> >"Oz" <osvaldom@trueautomation.com> wrote in message
> >news:067801c37082$07aaa870$a501280a@phx.gbl...
> >> Image Size Question: When a digital camcorder is
> >> connected via 1394 cable, WIA identifies camera as a

> AVC

> >> Compatible DV Camcorder and shows a live video feed of
> >> the camera. What controls the size of the image when I
> >> catpure a picture from the live video feed? I am

> getting

> >> 360x240 size and am wanting 640x480. Is it a camera
> >> limitation or simply a current industry standard?
> >> -Camera tested: Canon Elura 50
> >>
> >> Thanks
> >
> >
> >.
> >

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