Re: lgdt3304

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Carl-Fredrik,

On 07/11/2013 06:51 AM, Carl-Fredrik Sundstrom wrote:

Thanks Steven for all the support,

Now I got the master slave to work and I can scan the local FOX channel with
azap

tridentsx@tridentsx-P5K-E:~/.kde/share/apps/kaffeine$ azap FOX
using '/dev/dvb/adapter0/frontend0' and '/dev/dvb/adapter0/demux0'
tuning to 599028615 Hz
video pid 0x0031, audio pid 0x0034
status 01 | signal 0000 | snr 0000 | ber 00000000 | unc 0000ca8b |
status 1f | signal 8e53 | snr 00c4 | ber 00000000 | unc 00000000 |
FE_HAS_LOCK
status 1f | signal 907a | snr 00c5 | ber 00000000 | unc 00000165 |
FE_HAS_LOCK
status 1f | signal 8dc8 | snr 00c4 | ber 00000000 | unc 00000000 |
FE_HAS_LOCK
status 1f | signal 8d3f | snr 00c1 | ber 00000000 | unc 00000000 |
FE_HAS_LOCK

However when I try to view or scan channels in mplayer or kaffeine it can't
find them and there
are some timeouts Similar to the ones I got in scan utility.

kaffeine(5476) DvbScanFilter::timerEvent: timeout while reading section;
type = 3 pid = 8187
kaffeine(5476) DvbScanFilter::timerEvent: timeout while reading section;
type = 0 pid = 0
kaffeine(5476) DvbScanFilter::timerEvent: timeout while reading section;
type = 3 pid = 8187

Playing dvb://.
dvb_tune Freq: 599028615
dvb_streaming_read, attempt N. 6 failed with errno 0 when reading 2048 bytes
dvb_streaming_read, attempt N. 5 failed with errno 0 when reading 2048 bytes
dvb_streaming_read, attempt N. 4 failed with errno 0 when reading 2048 bytes
dvb_streaming_read, attempt N. 3 failed with errno 0 when reading 2048 bytes
dvb_streaming_read, attempt N. 2 failed with errno 0 when reading 2048 bytes
dvb_streaming_read, attempt N. 1 failed with errno 0 when reading 2048 bytes
dvb_streaming_read, return 0 bytes
Failed to recognize file format.

When I use the scan tool I get the following for every channel that I can
get a lock on in azap

tune to: 473028615:8VSB
WARNING: filter timeout pid 0x0000
WARNING: filter timeout pid 0x1ffb


Below is a kernel  trace at the same time. It seems the tuning is successful
still no channels are output at the end of scan.

Your problem is somewhere between demod and bus interface. Tuner and demod are working as demod is able to gain lock. Interface between demod and bus interface - bridge - (USB, PCI) is transport stream (aka mpeg TS). There is two main wiring used, serial ts and parallel ts. Check that first. Both demod and bridge should be configured properly.

If TS interface it is correct then bug is somewhere in bridge settings.

regards
Antti


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