Thanks Ross for the feedback, I understand that you are quite busy. Keep the good work. That library is great work.
Regards Guy > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of Ross Finlayson > Sent: Tuesday, February 12, 2008 8:56 PM > To: LIVE555 Streaming Media - development & use > Subject: Re: [Live-devel] Mpeg2 ES and audio PCM stream > Synchronization with Live555 > > I haven't had time to wade through this in detail, but it > seems that you've run into the same problem that I had when I > was developing the "wis-streamer" application > <http://www.live555.com/wis-streamer/>. > Namely, if your streaming server is fed audio and video data > as two streams of *unstructured data* - rather than two > streams of discrete frames - then it is difficult to ensure > that the resulting audio and video frames - when parsed from > each stream - will get accurate presentation times (and it > will be difficult to ensure that they remain accurate over > time). (You get proper a/v synchronization at the client end > if and only if the server-generated presentation times were accurate.) > > As I found with "wis-streamer", the solution is to change > your application so that it is fed streams of *discrete* > frames, each having its own presentation timestamp that is > generated directly, when it the frame is produced (e.g., by a > hardware encoder). Then you don't have to parse the streams > to extract (possibly inaccurate) presentation times. I.e., > instead of using "MPEG1or2VideoStreamFramer", use > "MPEG1or2VideoStreamDiscreteFramer". > > So, I suggest that you revew the "wis-streamer" source code > for hints that may help your application. > > (This will be my last posting on this subject.) > -- > > Ross Finlayson > Live Networks, Inc. > http://www.live555.com/ > _______________________________________________ > live-devel mailing list > live-devel@lists.live555.com > http://lists.live555.com/mailman/listinfo/live-devel _______________________________________________ live-devel mailing list live-devel@lists.live555.com http://lists.live555.com/mailman/listinfo/live-devel
