[streaming] Re: VLC and HD streams, issues after a few days of streaming

[Thomas Kernen]

Viktor Kompaneyets wrote:
> Thomas Kernen wrote:
> 
> 
>>Sigmund Augdal Helberg wrote:
>>
>>>On Thu, 2005-11-10 at 11:58 +0100, Thomas Kernen wrote:
>>>
>>>
>>>>I'm currently testing various HD streams from Astra and Hotbird such as
>>>>the Astra HD demo channel, Canal + Demo and HD Forum demo. In parallel I
>>>> do have a few SD channels running (BBC World, Euronews).
>>>>
>>>>The box is a running Linux 2.6.12.1 and has 3 Skystar II rev 2.6B, vlc
>>>>0.8.2 and the last libdvbpsi from the svn.
>>>>
>>>>All is fine with my SD channels but the HD streams seem to die after a
>>>>few days. SDP still sees the announcements, the processes are still
>>>>running but the VLC client connecting to the multicast group never
>>>>receives the stream. The last message seen on the client is
>>>>"prebuffering", no TS over raw UDP and following steps are achieved.
>>>
>>>More interresting would be to know the last messages the server outputs.
>>>Also check if there are known problems with that card and it's drivers
>>>(check linuxtv.org for that).
>>
>>I've not seen anything specific on the linuxtv.org website (had checked
>>before selecting the cards and have checked on a regular basis the
>>website for any updated info). I also tested with rev 2.6D (currently
>>the latest hardware version) and I have the same issue.
>>
>>This is the output since the launch of the process a week ago. Verbose
>>was not enabled because there usually is too much data being outputed
>>when I'm running in non debug mode.
>>
>>zara:/home/tkernen# vlc --color --ttl 2 --ts-es-id-pid --programs 9306
>>dvb:// --dvb-adapter=1 --dvb-satno=2 --dvb-frequency=12581000
>>--dvb-srate=22000000 --dvb-voltage=13 --dvb-budget-mode --sout
>>'#duplicate{dst=std{access=udp,mux=ts,url=224.0.1.8:3001,sap,name="Canal+
>>HD Promo"},select="program=9306"}'
>>                                     VLC media player 0.8.2 Janus
>>Remote control interface initialized, `h' for help
>>[00000221] stream_out_standard private: SAP Enabled
>>[00000232] dvb access error: CAMInit: opening device failed (No such
>>[device)
>>libdvbpsi error (PSI decoder): TS discontinuity (received 7, expected 0)
>>for PID 17
>>libdvbpsi error (PSI decoder): TS discontinuity (received 9, expected 0)
>>for PID 0
>>libdvbpsi error (PSI decoder): TS discontinuity (received 2, expected 0)
>>for PID 1279
>>libdvbpsi error (PSI decoder): TS discontinuity (received 14, expected
> 
> [..]
> 
> My first assumption was true - there are problem with TS. The memory will
> grow, and after 1-2 days streaming will stop. 
> 

Thanks a lot for the feedback in your 2 emails, much appreciated. I'll 
look into this during the week.

Thomas

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