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#1 uknetfreak

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Posted 10 November 2017 - 17:14

Hello, I have Edision and Zgemma receivers and it would appear that the UK cable provider has made some changes which I'm hoping can be fixed in software. On doing a channel scan, many of the services do not store an audio PID. When the correct audio PID is stored manually using Dreamboxedit, the sound will still not ouput from the receiver(s) although they show as transmitting audio in bitrate viewer. Also, if the stream is then viewed in VLC or Kodi on a PC, the sound is back. Please let this be a simple fix...


Edited by uknetfreak, 10 November 2017 - 17:15.


Re: UK Cable #2 WanWizard

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Posted 10 November 2017 - 17:40

Don't have any cable here so I can't check. You might want to ping Abu Baniaz and see if he can respond here.


Currently in use: VU+ Duo 4K (2xFBC S2), VU+ Solo 4K (1xFBC S2), uClan Usytm 4K Ultimate (S2+T2), Octagon SF8008 (S2+T2), Zgemma H9.2H (S2+T2)

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Re: UK Cable #3 Abu Baniaz

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Posted 11 November 2017 - 08:36

Official receivers are affected too. So best to await for those to be fixed first.

 

There was a workaround posted involving manually editing the lamedb details. I did not understand what was posted.



Re: UK Cable #4 WanWizard

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Posted 11 November 2017 - 13:47

Thanks for reponding! ;) So it seems Virgin has f'd up?


Currently in use: VU+ Duo 4K (2xFBC S2), VU+ Solo 4K (1xFBC S2), uClan Usytm 4K Ultimate (S2+T2), Octagon SF8008 (S2+T2), Zgemma H9.2H (S2+T2)

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Re: UK Cable #5 uknetfreak

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Posted 11 November 2017 - 15:46

I have successfully implemented the documented fix. So it looks like us enigma users are better off than other people using some official boxes. If it wasn't for the fact is appears to be a supported official box that is affected, I would have thought this was a ploy to force people to upgrade!



Re: UK Cable #6 WanWizard

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Posted 11 November 2017 - 17:49

What is "the documented fix"? As official boxes are also affected, is this a temporary issue?


Currently in use: VU+ Duo 4K (2xFBC S2), VU+ Solo 4K (1xFBC S2), uClan Usytm 4K Ultimate (S2+T2), Octagon SF8008 (S2+T2), Zgemma H9.2H (S2+T2)

Due to my bad health, I will not be very active at times and may be slow to respond. I will not read the forum or PM on a regular basis.

Many answers to your question can be found in our new and improved wiki.


Re: UK Cable #7 uknetfreak

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Posted 11 November 2017 - 19:13

Manually setting the audio PID using Dreambox Edit or similar and ticking the boxes to make sure they are forced in the receiver and not automatically scanned by the receiver.



Re: UK Cable #8 uknetfreak

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Posted 13 November 2017 - 19:35

Update: the audio PID fix is only working for me when OSCAM is used, otherwise the channels don't clear! Weird...



Re: UK Cable #9 Abu Baniaz

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Posted 18 November 2017 - 16:48

The underlying cause has been identified. The OE-A images have patched the libdvbsi++ file and this should be in images from Sunday. Not sure when PLi will patch theirs.



Re: UK Cable #10 athoik

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Posted 18 November 2017 - 16:52

Good point ;)

I already send patch to Andreas (the author of libdvbsi++) but it might take long.

If the date for releasing rc-6.1 is known and libdvbsi++ is not updated yet, I will push the patch, It's 41,2 seconds of my time ;)

Publishing on 6.0 is useless, the relase was made available and no updates will be available until 6.1.

So, hopefully you understand.
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Re: UK Cable #11 Rat

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Posted 18 November 2017 - 17:01

Posted by Hackmax on DW forums who created the fix  

 

 

Patch and replacement file attached.

 

Depending on how your images build system works you can use one or the other.

 

This works by changing the ac3 descriptor to disable the 'bits' if the extra bytes they correspond to are not present - preventing the overflow from occurring

 

Attached Files


Edited by Rat, 18 November 2017 - 17:03.


Re: UK Cable #12 Abu Baniaz

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Posted 18 November 2017 - 17:40

@Rat, the patch being used is not created by Hackmax.

 

Hackmax's patch was already by Rossi last night. See

https://forums.openp...db/#entry799298

 

There was also another patch by LraiZer which he tested on PLI and I tested on ViX 5.0, it also works.



Re: UK Cable #13 Rat

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Posted 18 November 2017 - 17:50

@Rat, the patch being used is not created by Hackmax.

 

Hackmax's patch was already by Rossi last night. See

https://forums.openp...db/#entry799298

 

There was also another patch by LraiZer which he tested on PLI and I tested on ViX 5.0, it also works.

My mistake mate, I was unaware there was another patch from LraiZer



Re: UK Cable #14 Rat

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Posted 18 November 2017 - 18:46

I can't work out how all of a sudden there are 2 fixes didn't Hackmax fix work on pli?
Well I've read on DW HE WON'T BE fixing E2 again

Re: UK Cable #15 LraiZer

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Posted 18 November 2017 - 22:12

To help you work out how i made my fix, I first spent over 15 years looking at dvb cable / satellite c++ neutrino / enigma / enigma2 code and studying the dvb stream data. The first step i took in learning how to create this patch started many many years ago by first putting my trusty old dbox2 Nokia 2x chip dvb-c STB into debug mode, building and patching the tuxbox-cvs to create my own images. Years later i starting building my own images and patching the code for neutrino on my dm500s and then E2 code on my dm800se. The past few years i have drifted off STB image creation stuff and mainly only continue to keep an eye on what is going on with the latest changes in the dvb stream data.
 
As i hope you can now understand, my patch has not come all of sudden as you suggest, My patch has taken well over 10,000+ hours of learning and looking at this stuff as a hobby. If Hackmax feels aggrieved that others also know how to look at this and fix this issue, then i apologise for all the knowledge learned over these years. I simply saw there was an issue, i looked where the issue was likely to be, then i traced the code back to where it was happening and where it could best be fixed and i fixed it. I hope this helps you understand how and why there are suddenly so many fixes, as there are also many developers with the knowledge to do this stuff.
 
I hope Hackmax does continue to provide E2 support, as any help and knowledge is most welcome and thanked, at least by myself. My patch was not used either, but i don't see why that should stop me from submitting future patches for E2 as Hackmax is suggesting. Unless you are in an E2 team and coordinate tasks, of which i am not, sometimes others will be working on the same coding issues as you and they may come up with a better or simpler solution. Don't get mad, take on board why there code was better or simpler and keep learning why.  


Re: UK Cable #16 littlesat

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Posted 18 November 2017 - 22:16

I already send patch to Andreas (the author of libdvbsi++) but it might take long.-> That is the plase where it belongs...

If the date for releasing rc-6.1 is known and libdvbsi++ is not updated yet, I will push the patch, It's 41,2 seconds of my time  ;) -> Is this already done? Please push (or send merge request as pushing in rc is limeted) in rc 6.1...then merge into develop...


Edited by littlesat, 18 November 2017 - 22:18.

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Re: UK Cable #17 athoik

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Posted 18 November 2017 - 22:20

Same problem different approaches on how to handle a malformed ac3 descriptor.

I really don't understand why developers spending their free time making opensource should apologize for their solution?

It's sad, that we are not working TOGETHER! At least as PLi community we got straight to the problem, once help was asked on a completely different matter, the cached pid recording.

Anyway, great job guys, sad that we have to known each other, in a such way.
Wavefield T90: 0.8W - 1.9E - 4.8E - 13E - 16E - 19.2E - 23.5E - 26E - 33E - 39E - 42E - 45E on EMP Centauri DiseqC 16/1
Unamed: 13E Quattro - 9E Quattro on IKUSI MS-0916

Re: UK Cable #18 athoik

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Posted 18 November 2017 - 22:21

If the date for releasing rc-6.1 is known and libdvbsi++ is not updated yet, I will push the patch, It's 41,2 seconds of my time  ;) -> Is this already done? Please push (or send merge request as pushing in rc is limeted) in rc 6.1...then merge into develop...


Yes, it's done on develop.

Although I don't have a clue when libdvbsi author will answer, accept, reject etc the patch.
Wavefield T90: 0.8W - 1.9E - 4.8E - 13E - 16E - 19.2E - 23.5E - 26E - 33E - 39E - 42E - 45E on EMP Centauri DiseqC 16/1
Unamed: 13E Quattro - 9E Quattro on IKUSI MS-0916

Re: UK Cable #19 first_damned

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Posted 21 November 2017 - 14:26

Will this update be pushed soon?

I have applied the fix for now, but presume if I do a software update this will undo the fix?

Re: UK Cable #20 WanWizard

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Posted 21 November 2017 - 15:05

Develop is about to be branched to an RC for the next release, 6.1. You can update from 6.0 to 6.1 without flashing.


Currently in use: VU+ Duo 4K (2xFBC S2), VU+ Solo 4K (1xFBC S2), uClan Usytm 4K Ultimate (S2+T2), Octagon SF8008 (S2+T2), Zgemma H9.2H (S2+T2)

Due to my bad health, I will not be very active at times and may be slow to respond. I will not read the forum or PM on a regular basis.

Many answers to your question can be found in our new and improved wiki.



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