Re: UVC Video Device

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This topic and its replies were posted before the current version of LEADTOOLS was released and may no longer be applicable.

#1 Posted : Tuesday, July 19, 2016 7:39:13 AM(UTC)

RieCh

Groups: Registered
Posts: 12

Hello,

I want to embed a UVC camera in our software , Use LeadTools 17.5 .
Supports LeadTools UVC cameras ?
Is something special note ?


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#2 Posted : Thursday, July 21, 2016 10:07:36 AM(UTC)

RieCh

Groups: Registered
Posts: 12

<BLOCKQUOTE><table width="85%"><tr><td class="txt4"><img src="/SupportPortal/CS/Themes/default/images/icon-quote.gif"> <strong>RieCh wrote:</strong></td></tr><tr><td class="quoteTable"><table width="100%"><tr><td width="100%" valign="top" class="txt4">Hello,

I want to embed a UVC camera in our software , Use LeadTools 17.5 .
Supports LeadTools UVC cameras ?
Is something special note ?</td></tr></table></td></tr></table></BLOCKQUOTE>

I did a test with AMCAP.
In AMCAP Settings there is a Setting "Capture still from device" and "Still Format". How can I use these properties in LeadTools Multimedia ?

#3 Posted : Thursday, July 28, 2016 9:33:16 AM(UTC)

RieCh

Groups: Registered
Posts: 12

RieCh wrote:Hello,

I want to embed a UVC camera in our software , Use LeadTools 17.5 .
Supports LeadTools UVC cameras ? Is something special note ?

Below is the information of the HW manufacturer

below the link to the specifications of the UVC and UVC 1.1 1.5
Because really is all important in it .

UVC 1.1 :
Video Class 1.1 document set (.zip format , size 6.78 MB )

UVC1.5 : Video Class 1.5 document set (.zip format , size 6.58MB )

#4 Posted : Thursday, September 22, 2016 9:42:30 AM(UTC)

Aaron

Groups: Registered, Tech Support, Administrators
Posts: 71

Was thanked: 4 time(s) in 3 post(s)

You can certainly capture from UVC cameras with LEADTOOLS Multimedia and get a still image from the video stream. The camera would just need to be compatible with either DirectShow or Media Foundation, but since it appears you have already tested your device with AMCAP, so the device should work just fine with the LEADTOOLS DirectShow CaptureCtrl:

https://www.leadtools.co...timedia.capturectrl.html

Here is a tutorial on how to capture from a device using the LEADTOOLS CaptureCtrl:

https://www.leadtools.co...acaptureapplication.html
https://www.leadtools.co...videoandaudiocapture.htm

Once you have the video stream captured from your UVC camera using our CaptureCtrl, you can then call either GetStillDIB or GetStillImage to capture a still image from the UVC device at any given time:

https://www.leadtools.co...urectrl~getstilldib.html
https://www.leadtools.co...ectrl~getstillimage.html
https://www.leadtools.co...mcapture__capturedib.htm

If you would rather capture all the frames from the video instead of just capturing a still image at any given time, our DirectShow Callback filter would work better in this situation as the Callback filter will capture every frame from the video stream as they come through the CaptureCtrl:

https://www.leadtools.co.../leadvideocallbackfilter(2.0).htm
https://www.leadtools.co...ces/ilmvusercallback.htm

We also ship demos with the SDK on how to use the Callback filter. You can find these demos here:

<Install Directory>\LEADTOOLS 17.5\Shortcuts\Multimedia\Processing

Aaron Brasington
Developer Support Engineer
LEAD Technologies, Inc.

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