Hi Again! I found this as a test example for Wowza and RTSP http://www.wowza.com/html/mobile.html. Could anyone else please try and open this with the Movie Importer in Quartz, every time I do it I get the spinning wheel of death then QC crashes :/
Regards, Charlie On 6 January 2012 16:19, Charlie Francis <charl...@cellcastonline.com>wrote: > Thanks for the response Chris, > > I've got Darwin Streaming Server working with Quicktime Broadcaster at the > moment, and I can view the stream in Quicktime using the rtsp > url rtsp://[machine name].local/mystream.sdp. But when I try to open that > using the Movie Importer in Quartz it just freezes and then crashes after a > while. I have set the Movie Importer to Asynchronous to allow for streaming > content, but it's still not loading the video. > > In the future I want to use Wowza to encode the stream, but that's not as > important as getting it working at all! > > Regards, > Charlie > > > On 6 January 2012 11:22, Chris Wood <pson...@gmail.com> wrote: > >> I've used an external webcam before for a project, but it was a >> network camera that supported video streaming. I found it easiest to >> get it working in quicktime first - if you can get the stream playing >> in quicktime it should work in QC too, and quicktime removes the >> possibility that something else is wrong in your composition and you >> waste days thinking it's the camera. >> >> What you have to do is get the UNC path for the video stream. For my >> camera it was rtsp://(ip address)/video.mp4 In quicktime you can test >> if the stream is compatible by going file->open location and adding >> the path there. >> >> Then in QC, you just feed that path to the Movie Importer. >> >> It'll show the quicktime logo while it connects and then start >> streaming. If you're recording, you'll want to remove the logo from >> the recorded output, and you'll want to detect + fix connection >> interruptions - this gave me huge headaches! The quicktime logo is in >> low resolution, so it's likely the output resolution will change when >> the actual streaming starts. That's easy to detect and handle. >> >> If there's a connection interruption (likely with a network camera!) >> then in some cases it'll automatically handle it, in others it'll just >> continue outputting the last frame forever. I handled this by using a >> 2-member queue and a core image filter to get the difference between >> the current and last frames (the filter is something like "output = >> abs(currentFrame - lastFrame)"). I then used the Area Maximum patch to >> get the highest value, and an Image Pixel to get the actual value. A >> video stream will always have a non-zero value, so if you detect a >> zero you can reset the movie importer (it has a Reset Signal that will >> restart the stream). >> >> Hope that helps a bit! >> >> Chris >> >> >> On 6 January 2012 11:02, Charlie Francis <charl...@cellcastonline.com> >> wrote: >> > Hi guys, >> > >> > I was just wondering if it's possible to be able to pull in an external >> > webcam stream and display it through quartz. I have tried to use >> Quicktime >> > Broadcaster, but I keep getting a connection error whenever I try and >> start >> > broadcasting. Windows users need to be able to broadcast to it as well. >> > >> > I've had a look through Kineme's forum but can't find anything helping >> me >> > display the stream. >> > >> > Thanks! >> > >> > _______________________________________________ >> > Do not post admin requests to the list. They will be ignored. >> > Quartzcomposer-dev mailing list ( >> Quartzcomposer-dev@lists.apple.com) >> > Help/Unsubscribe/Update your Subscription: >> > >> http://lists.apple.com/mailman/options/quartzcomposer-dev/psonice%40gmail.com >> > >> > This email sent to pson...@gmail.com >> > >> > > > > -- > Charlie Francis > Senior Engineer > *Cellcast UK Ltd* > 150 Great Portland Street > London > W1W 6QD > UK > T. +44 (0)203 376 9420M.+44 (0)7988 509 614 e.char...@cellcast.tv > www.cellcast.tv > > The Cellcast Group is a leader in the provision of participation > television programming and interactive mobile content in the rapidly > growing multi-platform digital entertainment sector. > > Our services enable broadcasters, content developers, media ventures, 3G > services and mobile networks to participate in the accelerating convergence > of Television, IT and Telecommunications. > > Company Registration No. 04327957 (England and Wales) > > This message is confidential. It may also contain information that is > privileged and not authorised to be disclosed. If you are not the intended > recipient, be advised that you have received this email in error and that > any use, dissemination, forwarding, printing or copying of this email is > strictly prohibited. If you have received it by mistake please notify the > sender immediately and delete it from your system. >
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