You could try using grabber.Current to get the frames, set your DirectShowCanvas off-screen.
Use a timer to fire every 30 or so ms, draw the image to the canvas of your choice. I've had no problem with basic manipulation/frame rate yet, but am careful on what I do as not to drop a fistful of frames. --Christopher On Aug 3, 2012, at 10:57 AM, William Koperwhats wrote: > For overlays that would be sufficient, but I also need to be able to sum, > average and dark frame subtract in real time. It works really well in > QuickTime, but as you know the QT VDIG support in Windows is flakey. When it > works, it's great. But in Windows it doesn't work all that often. > > I could go with an external ActiveX video control in the Windows version, but > I'd rather keep it all "native". Any ideas? > > -bill k > > On Aug 3, 2012, at 7:45 AM, Christian Schmitz > <supp...@monkeybreadsoftware.de> wrote: > >> >> On 03.08.2012, at 16:42, William Koperwhats <wkoperwh...@miloslick.com> >> wrote: >> >>> Christian, >>> >>> I noticed that in v12pr1 you added the ability to get at individual frames >>> with the DirectShow plug-in which allows extracting stills. Is there a way >>> to intercept frames *before* they are drawn to the video window? I need a >>> way to overlay text and images on top of the video. The QTGrabber class has >>> the "NewFrame" event which contains the Picture object which can then be >>> modified and drawn into a canvas. Is there any chance similar functionality >>> would be possible using DS? >> >> >> I don't see something directly. But you can of course put an OverlayMBS over >> the video. >> >> Greetings >> Christian >> >> -- >> Check out the Omega Bundle: >> >> http://www.omegabundle.com/ >> >> _______________________________________________ >> Mbsplugins_monkeybreadsoftware.info mailing list >> mbsplugins@monkeybreadsoftware.info >> https://ml01.ispgateway.de/mailman/listinfo/mbsplugins_monkeybreadsoftware.info > > _______________________________________________ > Mbsplugins_monkeybreadsoftware.info mailing list > mbsplugins@monkeybreadsoftware.info > https://ml01.ispgateway.de/mailman/listinfo/mbsplugins_monkeybreadsoftware.info _______________________________________________ Mbsplugins_monkeybreadsoftware.info mailing list mbsplugins@monkeybreadsoftware.info https://ml01.ispgateway.de/mailman/listinfo/mbsplugins_monkeybreadsoftware.info
