VLC DVB setup

*nix specific usage questions
jcoenen
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VLC DVB setup

Postby jcoenen » 28 Jul 2005 11:34

Hi,
I have some problems getting my DVB channel syntax right on the VLC gui for direct viewing.

DVB card Nexus-S
Suse 9.3
VLC 0.8.2 rebuild with --dvb-enable

I am trying to insert the SIDs (via --programs=) into the DVB:/ line but the results are bizarres, some time I get Euronews sound and CCTV9 image, sometimes just the sound, sometimes nothing (obviously depending on the syntax I use).

In the DVB viewing Docs, there is no mention of the correct syntax to use for DVB, I tried some of the DVB stream one (like adding --programs 1709,920 or --programs=1709,920 or programs 1709,920 ...) but no luck

If I szap and then use Video capture card (/dev/video0), I have image and sound.

So anybody knows what should be in that line ?

Thanks.

xtophe
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Postby xtophe » 28 Jul 2005 14:43

Could you give the output of szap ( or an eztract ).

I don't know dvb well but a common mistake is to miskake SID and program id. Your program seems to be quite high number.

In your szap output do you have stuff like 1907:920:7 ? Then try 7 as program instead of 1907

hth
Xtophe

jcoenen
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Postby jcoenen » 29 Jul 2005 23:34

sat 13, frequency = 11034 MHz V, symbolrate 27500000, vpid = 0x0398, apid = 0x03a2
using '/dev/dvb/adapter0/frontend0' and '/dev/dvb/adapter0/demux0'
status 01 | signal a704 | snr 9183 | ber 0000c20b | unc 00000000 |
status 1f | signal af0c | snr b541 | ber 00004e00 | unc 00000000 | FE_HAS_LOCK
status 1f | signal af08 | snr b586 | ber 00000000 | unc 00000000 | FE_HAS_LOCK


channel.conf entry like

Euronews:11034:v:13:27500:920:930:1709

From lyngsat in Decimal SID = 1709 VPID = 920 and audio 930

I can't figure out from the doc how to pass this onto the DVB capture

if I only use the followinf in the DVB capture dialog box
dvb:// :dvb-adapter=0 :dvb-frequency=11954000 :dvb-srate=27500000

I get Euronews Audio channel in French

using

vb:// :dvb-adapter=0 :dvb-frequency=11034000 :dvb-srate=27500000 --programs=920

I have Demain (SPID 1704VPID 420 Audio 430).

So I have some postive response but not what I expected.

I suppose that if I add more VPID in the programms I should have more video track to choose from in the video drop menu, but if I do so I get audio tracks (using vpid).

very strange indeed.

jcoenen
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Postby jcoenen » 29 Jul 2005 23:39

Just realized what you meant by program, it's unrelated to the SID/VPID ...

The question is then how does the program number relates to the MPEG stream held in the channel defined by the frequency.

JP.

jcoenen
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Postby jcoenen » 29 Jul 2005 23:51

I'm getting there,

Not specifiying anything else but the frequency I get a list of VPID in the navigation menu which correpond to the vpid in the mpeg downstream !!!!!!!!

Funny that now I can have all channel (but Euronews) and Euronews sound on every channel I select pus the sound of the channel.

Anyways, enough for today, I made some giant steps already, thanks a bunch.

JP.

Bonbini

DVB-Card Remote Control

Postby Bonbini » 01 Aug 2005 17:39

What is the best way to remote control the dvb-card of my linux streamingserver? Can use the http-server for channel switching and tuning, or can I use the telnet interface?

Best regards
Bonbini


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