[Asterisk-video] Ideas to improve audio and video synchronization

Thomas Frieling thomas.frieling at viif.de
Fri Oct 12 05:06:48 CDT 2007


Cool, I added a feature request to the TRAC ticket system:
http://sip.fontventa.com/trac/asterisk/ticket/15

Thomas


Am Dienstag, den 09.10.2007, 23:42 +0200 schrieb Sergio Garcia Murillo:
> Could be an option, I'll try to take a look if it could be a good way of
> passing the signal between the
> app_mp4 and app_h324m without disturbing the other uses of app_mp4.
> 
> BR
> Sergio
> 
> ----- Original Message ----- 
> From: "Thomas Frieling" <thomas.frieling at viif.de>
> To: "asterisk-video" <asterisk-video at lists.digium.com>
> Sent: Tuesday, October 09, 2007 12:45 PM
> Subject: [Asterisk-video] Ideas to improve audio and video synchronization
> 
> 
> > Hi all!
> >
> > Everyone who uses the h324m-lib probably knows that often the
> > synchronization of audio and video is not perfect. This is because of
> > the video-track being too big.
> > One idea we discussed was something like dropping all unsent packages on
> > each new keyframe but this would result in a very bad video flow.
> >
> > Last night I got a new idea:
> > What if we drop all unsent packages when starting a new video with
> > mp4play or rtsp. This would make the new video synchronous again even
> > though the one before that was not.
> >
> > What do you think about that? Would this be hard to implement?
> >
> > Greetings,
> > Thomas
> >
> >
> > -- 
> > www.ViiF.de - your Mobile Video Community
> >
> > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> >
> > Thomas Frieling - System Architect
> > ViiF Mobile Video GmbH, Poststr. 21-22, 10178 Berlin
> > Cell: +49 (0) 173 63 62 62 3
> >
> > Fax: +49 30 22 50 50 63 9
> >
> > E-Mail: thomas at ViiF.de
> >
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> >
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> >
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-- 
www.ViiF.de - your Mobile Video Community

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Thomas Frieling - System Architect
ViiF Mobile Video GmbH, Poststr. 21-22, 10178 Berlin 
Cell: +49 (0) 173 63 62 62 3

Fax: +49 30 22 50 50 63 9

E-Mail: thomas at ViiF.de

Sitz: Berlin, Amtgericht Berlin-Charlottenburg, HRB: 108350B

Geschäftsführer: Daniel Höpfner, Steffen Brünn

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~



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