Re: [Linphone-developers] Live Audio Video Streaming

[Pramod Bhagwat]

Thanks Simon. Found the source of the problem the hardware audio clock was the source of the problem it was running too fast.
Warm Regards,
pramod

On Jan 24, 2008 11:01 PM, Simon Morlat <address@hidden> wrote:

Le Friday 11 January 2008 10:12:19 Pramod Bhagwat, vous avez écrit :

> Thanks Simon. In the application audio timestamp is incremented by 20
> ms(i.e. 160 ) and for the video time stamp i am getting the current time
> and multiplying it by 90. (video framerate is 30) The VLC plays back both
> the audio and video stream synchronously. (i.e playback has the lip sync)
> But the issue is latency initially there will not be any latency but as the
> time progress there is delay of 3 to 8 seconds. Does the application needs
> to change anything for the rtcp timestamp?

No that seems perfect.
Maybe your application is sending packets too fast ? or vlc reading too slow ?
IS the video from a file or live cam ?

>
> Warm Regards,
> pramod
>
> On Jan 11, 2008 2:39 AM, Simon Morlat <address@hidden> wrote:
> > The problem might come from your application that sends erroneous
> > timestamp or
> > unsynchronised streams, or from VLC but usually VLC is quite stable.
> >
> > Simon
> >
> > Le Friday 28 December 2007 09:30:19 Pramod Bhagwat, vous avez écrit:
> > > Hi,
> > > i am using oRTP to stream live audio(u-law 8Khz) and Video(H.263) over
> >
> > the
> >
> > > local network(100 Mbps LAN). The audio video stream is received by the
> >
> > VLC
> >
> > > Media Player (version:0.8.6d) on Windows.
> > > During the startup live audio and video is played back instantaneously
> >
> > in
> >
> > > the VLC. But as the time progress i am seeing delay of about 3  to 8
> > > seconds in the live audio video playback.
> > > Does this problem is anything to do with oRTP settings or this is VLC
> > > player issue? Please let me know.
> > >
> > > Warm Regards,
> > > pramod