[linux-dvb] FE not locking with dvbstream

Nico Sabbi nsabbi at email.it
Thu Oct 27 09:48:43 CEST 2005


Jakob Steidl wrote:

>
> Hello list,
> First, I hope Im in the correct list with my dvbstream problem.
> I want to stream live tv over network with dvbstream. my problem is, 
> that i dont reviece any data, because dvbstream cant lock to the 
> correct frequency (or so).
> But I can watch TV with all other apps (expect vdr, but thats another 
> story), so I have really no idea what to do.
> I use the following config:
> - Cinergy 1200 DVB-C card
> - dvb drivers included w/ linux- 2.6.12.5
> - dvbstream-0.5 and the current (as of october 25th, 2005) cvs version
>
> some output:
> ## dvbstram-cvs
> ventura dvbstream-cvs # ./dvbstream -f 522000000 -s 6900 160 161 
> -o:test.mpg
> dvbstream v0.6 - (C) Dave Chapman 2001-2004
> Released under the GPL.
> Latest version available from http://www.linuxstb.org/
> Open file test.mpg
> Tuning to 522000000 Hz
> Using DVB card "Philips TDA10021 DVB-C", freq=522000000
> tuning DVB-C to 522000000, srate=6900000
> Getting frontend status
> Not able to lock to the signal on the given frequency
> MAP 0, file test.mpg: From -1 secs, To -1 secs, 0 PIDs -
> dvbstream will stop after -1 seconds (71582788 minutes)
> Streaming 2 streams
>
> ## dvbstream 0.5
> #./dvbstream -f 522000 -s 6900 160 161 -o:test.mpg
> dvbstream v0.5 - (C) Dave Chapman 2001-2004
> Released under the GPL.
> Latest version available from http://www.linuxstb.org/
> Using DVB card "Philips TDA10021 DVB-C"
> tuning DVB-C to 522000000, srate=6900000
> polling....
> Getting frontend event
> FE_STATUS:
> polling....
> Getting frontend event
> FE_STATUS: FE_HAS_SIGNAL FE_HAS_CARRIER
> polling....
> FE_STATUS: FE_HAS_SIGNAL FE_HAS_CARRIER
> polling....
> Killed <-- killed manually
>
> ## femon while dvbstream-cvs was running
> using '/dev/dvb/adapter0/frontend0'
> FE: Philips TDA10021 DVB-C (CABLE)
> status 03 | signal 7272 | snr f1f1 | ber 00195000 | unc ffffffff |
> status 03 | signal 7272 | snr f1f1 | ber 00195000 | unc ffffffff |
> status 03 | signal 7272 | snr f0f0 | ber 00195000 | unc ffffffff |
>
> ## femon while dvbstream 0.5 was running
> using '/dev/dvb/adapter0/frontend0'
> FE: Philips TDA10021 DVB-C (CABLE)
> status 03 | signal 7272 | snr f3f3 | ber 00000000 | unc ffffffff |
> status 03 | signal 7272 | snr f1f1 | ber 00000000 | unc ffffffff |
> status 03 | signal 7272 | snr f1f1 | ber 00000000 | unc ffffffff |
>
> ## femon while mplayer is running
> using '/dev/dvb/adapter0/frontend0'
> FE: Philips TDA10021 DVB-C (CABLE)
> status 1f | signal 7272 | snr f3f3 | ber 00000000 | unc 00000000 | 
> FE_HAS_LOCK
> status 1f | signal 7272 | snr f2f2 | ber 00000000 | unc 00000000 | 
> FE_HAS_LOCK
> status 1f | signal 7272 | snr f3f3 | ber 00000000 | unc 00000000 | 
> FE_HAS_LOCK
>
> ## the corresponding line from the channles.conf
> ORF1:522000000:INVERSION_AUTO:6900000:FEC_3_4:QAM_64:160:161:13001
>
>
> I hope someone can help me with this problem!
>


try to specify QAM and FEC (dvbstream without parameters  shows a list 
of available options).
BTW,  your syntax is incorrect, the right form is:
./dvbstream -f 522000000 -s 6900  -o:test.mpg  160 161

 

 

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