[Live-devel] ts streaming for tdv

Mario R. Carro mcarro at threads-srl.com.ar
Thu Apr 24 05:07:39 PDT 2008


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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