[linux-dvb] FE_HAS_LOCK but no signal

Matthew Schultz mattsch at gmail.com
Thu Mar 15 20:11:58 CET 2007


Scan can have a lot of false positives.  It doesn't weed out the frequencies
that have locks but don't have video, the video is encrypted, etc.


Matt

On 3/15/07, Tom Jacobs <tom.jacobs at gmail.com> wrote:
>
> i am having problems getting data from my STB
>
> i am using Mythdora as my distro so, i believe this is basically Fedora
> Core 5 with MythTV-0.20 included (and various other required packages).
>
> i have a Hauppauge DEC2000 stb which i am trying to use within mythtv.
> the correct firmware is in /lib/firmware and from dmesg i can see the
> adapter and frontend are both registered.
>
> i can successfully ./scan for available channels and have produced my
> channels.conf file. when i ./tzap i get the following:
>
> [root at mythtv_linux ~]# tzap -r "BBC TWO"
> using '/dev/dvb/adapter0/frontend0' and '/dev/dvb/adapter0/demux0'
> tuning to 641833330 Hz
> video pid 0x0262, audio pid 0x0263
> status 00 | signal 0000 | snr 0000 | ber 00000000 | unc 009c645e |
> status 1f | signal 0000 | snr 0000 | ber 00000000 | unc 009c645e |
> FE_HAS_LOCK
> status 1f | signal 0000 | snr 0000 | ber 00000000 | unc 009c645e |
> FE_HAS_LOCK
> status 1f | signal 0000 | snr 0000 | ber 00000000 | unc 009c645e |
> FE_HAS_LOCK
> status 1f | signal 0000 | snr 0000 | ber 00000000 | unc 009c645e |
> FE_HAS_LOCK
>
> if i pick different channels the frequency an pids change but i always
> get signal 0000 and a lock. if i try and capture stream using the
> following:
>
> cat /dev/dvb/adapter0/dvr0 > myvideo.mpg
>
> i get a file of zero bytes. if i try and use mplayer or xine they both
> fail too. since this is a stb also i can play a scart cable into it and
> i do see that the channels are being changed when i tzap  but i just
> dont seem to be getting any data back from the stb.
>
> does anyone have any ideas?
>
> _______________________________________________
> linux-dvb mailing list
> linux-dvb at linuxtv.org
> http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb
>
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