[gst-devel] RE : Re: RE : Re: RE : Re: How to get a Buffer/data Continous Stream even with packet drops

[SP GLE]

Hi,
 We use alaw for recording, a 8kHz mono audio stream.
Regards.
--- Edward Hervey <bilboed at gmail.com> a écrit :

> Hi,
> 
>   What format are you recording those streams in ? If you don't have
> a
> live pipeline... latency isn't an issue.
> 
> 
>    Edward
> 
> 
> On Mon, 2007-11-26 at 08:45 +0100, SP GLE wrote:
> > Hi,
> >   we need it to  record RTP streams from Network, we need to be
> sure
> > that the record contains silence to compensate RTP packet drop.
> > Regards.
> > 
> >      Laurent.
> > 
> > --- Edward Hervey <bilboed at gmail.com> a écrit :
> > 
> > > Hi,
> > > 
> > >   Why exactly do you need a continuous data stream ? This might
> help
> > > figure out other ways to solve this issue.
> > > 
> > >    Edward
> > > 
> > > On Sun, 2007-11-25 at 16:18 +0100, SP GLE wrote:
> > > > Hi,
> > > > thanks for your answer but we already tried with audiorate
> element
> > > and
> > > > it works the way you describe it....It has to get some packets
> to
> > > > compensate missing ones.
> > > > 
> > > > I was looking for something complementary to a jitter buffer,
> to
> > > > compensate missing packets by recreating missing media buffers,
> > > having
> > > > some latency is not a problem, data have to be played in the
> 400
> > > > milliseconds following receive.
> > > > 
> > > > Regards.
> > > > 
> > > >           Laurent.
> > > > 
> > > > --- Edward Hervey <bilboed at gmail.com> a écrit :
> > > > 
> > > > > Hi,
> > > > > 
> > > > >   You can use audiorate to insert blank packets... but those
> > > packets
> > > > > will only be generated once it receives the packet following
> the
> > > > > blank.
> > > > > Also, that element will introduce some latency equal to *at
> > > least*
> > > > > the
> > > > > duration of one buffer in the case where no packet was
> dropped...
> > > and
> > > > > go
> > > > > as high as the total duration that was dropped on the
> network.
> > > > >   Unless you are not going to be displaying the output in
> > > real-time
> > > > > it
> > > > > will not really help you.
> > > > > 
> > > > >   Edward
> > > > > 
> > > > > On Fri, 2007-11-23 at 16:09 +0100, SP GLE wrote:
> > > > > > Hi,
> > > > > > I would like to get a time/data continuous stream even if
> some
> > > > > network
> > > > > > packets are lost. The following simple pipeline simulates
> the
> > > > > context :
> > > > > > 
> > > > > > GST_DEBUG="identity*:3" gst-launch audiotestsrc ! netsim
> > > > > > drop-probability=0.3 duplicate-probability=0 !  identity
> > > > > > check-perfect=true ! fakesink sync=true
> > > > > > 
> > > > > > I need something (an element) to compensate lost packets
> and
> > > create
> > > > > new
> > > > > > ones to fill the gap (with silence in this case).
> > > > > > 
> > > > > > Does anyone know how I could do that ?
> > > > > > 
> > > > > > Thanks for your help.
> > > > > > Regards.
> > > > > > 
> > > > > > 
> > > > > >      
> > > > >
> > > >
> > >
> >
>
_____________________________________________________________________________
> > > > > 
> > > > > > Ne gardez plus qu'une seule adresse mail ! Copiez vos mails
> > > vers
> > > > > Yahoo! Mail 
> > > > > > 
> > > > > >
> > > > >
> > > >
> > >
> >
>
-------------------------------------------------------------------------
> > > > > > This SF.net email is sponsored by: Microsoft
> > > > > > Defy all challenges. Microsoft(R) Visual Studio 2005.
> > > > > > http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/
> > > > > > _______________________________________________
> > > > > > gstreamer-devel mailing list
> > > > > > gstreamer-devel at lists.sourceforge.net
> > > > > >
> https://lists.sourceforge.net/lists/listinfo/gstreamer-devel
> > > > > 
> > > > > 
> > > > 
> > > > 
> > > > 
> > > >      
> > >
> >
>
______________________________________________________________________________
> > > 
> > > > Yahoo! Mail : un mail innovant avec Messenger compatible
> Windows
> > > Live + stockage illimité. http://mail.yahoo.fr
> > > 
> > > 
> > 
> > 
> > 
> >      
>
______________________________________________________________________________
> 
> > Yahoo! Mail : un mail innovant avec Messenger compatible Windows
> Live + stockage illimité. http://mail.yahoo.fr
> 
> 



      ______________________________________________________________________________ 
Yahoo! Mail : un mail innovant avec Messenger compatible Windows Live + stockage illimité. http://mail.yahoo.fr