From: Julien M. <ju...@mo...> - 2006-12-29 16:07:44
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You don't need freeze, look at this example launch line. gst-launch-0.10 filesrc location=/home/dolphy/Desktop/ROCK1.png ! pngdec ! ffmpegcolorspace ! videomixer name=mixer ! ffmpegcolorspace ! ximagesink videotestsrc ! ffmpegcolorspace ! mixer. ATTENTION: the order is important in the gst-launch line because you can't control the Z order of the streams connected to the mixer. In your application it's different. Enjoy.. Julien. On Fri, 2006-12-29 at 15:13 +0000, Adam Lofts wrote: > Hi, > > I'd like to announce a project I've had over the winter. Kaapow is a > little python application for playing with webcams. It will display > you webcam feed and allow you to apply effects to the feed (currently > limited to the *tv elements, see below). The url is > http://adam.uwcs.co.uk/kaapow. This should be fun for people with > cameras built into laptops for example. > > So the next step I want to take is to add an "overlay" effect to put a > picture of a gorilla on top of the camera feed, so one can look at > oneself being a gorilla (i.e. some of the image would be transparent). > Unfortunately this is not as simple as sticking in an edgetv element > and a colorspace. My gut reaction was this: > > [ filesrc ! pngdec ! freeze ! ffmpegcolorspace ] > [ feed going in ! ffmpegcolorspace ] > > both into > > [ videomixer ! feed going out ] > > I do get one frame of output from this, with the image on top but then > playing stops. I've also tried playing with pad probes to eat up EOS > events but still no success. > > Are there any example of doing this? > > Thanks, > Adam > > > ------------------------------------------------------------------------- > Take Surveys. Earn Cash. Influence the Future of IT > Join SourceForge.net's Techsay panel and you'll get the chance to share your > opinions on IT & business topics through brief surveys - and earn cash > http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV > _______________________________________________ gstreamer-devel mailing list gst...@li... https://lists.sourceforge.net/lists/listinfo/gstreamer-devel |