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Terratec H7(az6007), CI support and Kaffeine

DISCUSSION Roger Mårtensson 2 participants 4 messages Mar 18, 2012 – May 19, 2012 Media (V4L/DVB)

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#0 lore raw

Hello!

This mail is a small request to see if anyone else except me that has problem with viewing encrypted channels.

My problem is as follows:
When viewing encrypted channels I can watch without problem.
When I change to another encrypted channel inside kaffeine nothing happens. The EPG tells me which program it is but no video is displayed.

To be able to watch the channel I have to close down kaffeine and restart it. Then works every time.

I can change to an unencrypted channel without problem but not switch back to an encrypted one.

This is using DVB-C and kaffeine 1.2.2 as supplied in Ubuntu 11.10. I am using kernel 3.0.0-16-generic with media_build installed for access to az6007-driver.

I am using the CI-patch from Jose Alberto Reguero since I'm not sure it has been added to media_build yet.

Is this a Kaffeine-problem or is it a driver/dvb-problem?

#1 lore raw
Quoted 16 lines · Roger Mårtensson

Hello!

This mail is a small request to see if anyone else except me that has problem with viewing encrypted channels.

My problem is as follows:
When viewing encrypted channels I can watch without problem. When I change to another encrypted channel inside kaffeine nothing happens. The EPG tells me which program it is but no video is displayed.

To be able to watch the channel I have to close down kaffeine and restart it. Then works every time.

I can change to an unencrypted channel without problem but not switch back to an encrypted one.

Quoted 8 lines

This is using DVB-C and kaffeine 1.2.2 as supplied in Ubuntu 11.10. I am using kernel 3.0.0-16-generic with media_build installed for access to az6007-driver.

I am using the CI-patch from Jose Alberto Reguero since I'm not sure it has been added to media_build yet.

Is this a Kaffeine-problem or is it a driver/dvb-problem?

I suspect it is driver problem. I did some time ago Anysee CI support and tested it using VLC, Kaffeine and IIRC gnutv too. It is even possible to remove whole CAM and plug it back - still should continue working. For example view FTA channel, unplug CAM, plug CAM back; and only small glitches are seen during CAM replug when device routes TS via CAM / bypass CAM.

regards
Antti

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#2 lore raw

Antti Palosaari skrev 2012-03-18 17:54:

Quoted 7 lines · Roger Mårtensson
Quoted 6 lines

My problem is as follows:
When viewing encrypted channels I can watch without problem. When I change to another encrypted channel inside kaffeine nothing happens. The EPG tells me which program it is but no video is displayed.

Quoted 6 lines

I suspect it is driver problem. I did some time ago Anysee CI support and tested it using VLC, Kaffeine and IIRC gnutv too. It is even possible to remove whole CAM and plug it back - still should continue working. For example view FTA channel, unplug CAM, plug CAM back; and only small glitches are seen during CAM replug when device routes TS via CAM / bypass CAM.

I've noticed that there have been some patches for az6007(terratec H7, etc) but still the same problem. When tuning to an encrypted channel no video is showing. Some EPG-data data is shown that tells me what program should be playing.

Got a guess on #linuxtv that it could be that the routing to the CAM isn't set up after a tune. (my interpretation of the comment on IRC)

According to the developer of the CI-integration on az6007 it works for him. The difference is that he used DVB-T and I use DVB-C. Is there a difference here?

Linux-media, you're my only hope. :)

#3 lore raw
Quoted 16 lines · Roger Mårtensson

Antti Palosaari skrev 2012-03-18 17:54:

Quoted 6 lines · Roger Mårtensson
Quoted 5 lines

My problem is as follows:
When viewing encrypted channels I can watch without problem. When I change to another encrypted channel inside kaffeine nothing happens. The EPG tells me which program it is but no video is

displayed.

Quoted 7 lines
Quoted 1 line

I suspect it is driver problem. I did some time ago Anysee CI support and tested it using VLC, Kaffeine and IIRC gnutv too. It is even possible to remove whole CAM and plug it back - still should continue working. For example view FTA channel, unplug CAM, plug CAM back; and only small glitches are seen during CAM replug when device routes TS via CAM / bypass CAM.

Quoted 4 lines

I've noticed that there have been some patches for az6007(terratec H7, etc) but still the same problem. When tuning to an encrypted channel no video is showing. Some EPG-data data is shown that tells me what program should be playing.

For me this is indicator saying TS is not routed via CAM as should.

As you has been successfully viewing encrypted channel (TS is routed via CAM) and then switching to other encrypted channel and no picture anymore but still some other TS data like EPG (TS is not routed via CAM anymore). Switching channel changes TS route to bypass CAM.

Quoted 2 lines

Got a guess on #linuxtv that it could be that the routing to the CAM isn't set up after a tune. (my interpretation of the comment on IRC)

heh, it was me.

Quoted 3 lines

According to the developer of the CI-integration on az6007 it works for him. The difference is that he used DVB-T and I use DVB-C. Is there a difference here?

As it is DRX-K demod there should not be difference. It is single demod having single TS interface.

Quoted 1 line

Linux-media, you're my only hope. :)

Test VLC and gnutv too. Any other apps?
Some apps calls slot_reset()/slot_shutdown()/slot_ts_enable() in different order which could raise that bug.

Antti

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