[Live-devel] ts streaming for tdv

[Shaswata Jash]

Another observation may be helpful - what amount of initial buffering (wrt
time duration) is done by VLC and the player in STB. If possible, try to
reduce the initial buffering time in VLC and check whether stalling has
appeared.

-----Original Message-----
From: live-devel-bounces at ns.live555.com
[mailto:live-devel-bounces at ns.live555.com] On Behalf Of Mario R. Carro
Sent: Thursday, April 24, 2008 5:38 PM
To: LIVE555 Streaming Media - development & use
Subject: Re: [Live-devel] ts streaming for tdv

You are right, the DCM it's on the other side of the cable. But I don't 
believe there shouldn't be much difference: it's a GB network with only the 
PC and the DCM in it and only one stream flowing. Anyway, it's a worthy 
test. I'll tell you what happens.

Thanks,
MRC

On Thursday 24 April 2008 03:09:59 Shaswata Jash wrote:
> You have run the VLC instance in the same PC where the stream is
> produced. Instead, check the situation by running the VLC instance in
> different PC i.e. try to introduce the network overhead. If still VLC
> runs smoothly, then it is something related to the STB.
>
> -----Original Message-----
> From: live-devel-bounces at ns.live555.com
> [mailto:live-devel-bounces at ns.live555.com] On Behalf Of Mario R. Carro
> Sent: Thursday, April 24, 2008 2:19 AM
> To: live-devel at ns.live555.com
> Subject: [Live-devel] ts streaming for tdv
>
> Hi, I recently started to explore the utilization of the Live555 library
> to generate a DTV channel for a customer. Based on the
> testMPEG2TransportStreamer and testMPEG1or2ProgramToTransportStream demos
> I developed a plugin for one of our apps that takes a playlist of TS or
> PS clips and streams them in sequence (if its a PS clip is converted to
> TS while is streamed). We are using RAW UDP streaming (using a
> BasicUDPSink).
>
> The stream is taken by a SciAtl's DCM and sent to customers STBs (Arion's
> AC-2410R, it seems). So far so good.
>
> The problem is: At the STB side the video freezes for moments. Everything
> is
>
> going OK and then the video freezes while the audio continues normally.
> After a few seconds the video continues, jumping the current frame at
> that moment. A VLC instance running on the same PC where the stream is
> produced does not have that problem.
>
> I know that my exposition of the problem has been absolutely vague, but
> anyway I would be very grateful for any hint. As a first step I'm trying
> to identify possible causes for this kind of problem. Sugerences
> regarding where/what to look for would by great... Feel free to ask for
> any specifics needed.
>
> Thanks in advance,
> MRC
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