Hi JS, I don't see any delay when I've been using the Linux webcam streaming. Stream over the http I did find a delay and I presume this was down the plugin/ffmpeg pulling down a block of data that it could then start processing.
One thing you could look into syncronization between the audio and video streams, perhaps this is introducing issues. Robert. On Fri, Apr 10, 2009 at 2:46 PM, Jean-Sébastien Guay < [email protected]> wrote: > Hi all, > > I need to integrate streaming video into our app, and I started playing > around with osgmovie and the ffmpeg plugin. I have the beginnings of some > modifications to get ffmpeg to read rtsp and http streams, as well as > detecting the input format from the extension (at least a list of them), but > I'm getting some weird behavior, and I would like to know if someone has > seen this, and if someone has any ideas for what to do about it. > > First, the video seems to have a delay at the start (about 5 seconds > between when I move my arm and when I see my arm move on screen), but it > seems to "catch up" after 15-20 seconds (there seems to be almost no delay > at that point). Any idea what could cause that? Did you see this in your > tests of streaming? > > Second, I can't say what happens after 15-20 seconds, because the video > stops refreshing. Is there a fixed buffer size somewhere that could cause > this? I have to restart the application to see video again, even pressing > 'p' or 'r' doesn't change anything. > > Any ideas? > > Other than that, it seems to work mostly as advertized and looks great. I'm > using it with an mjpeg stream over http and it runs great. > > Thanks, > > J-S > -- > ______________________________________________________ > Jean-Sebastien Guay [email protected] > http://www.cm-labs.com/ > http://whitestar02.webhop.org/ > _______________________________________________ > osg-users mailing list > [email protected] > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org >
_______________________________________________ osg-users mailing list [email protected] http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
