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OpenPLI 8.1 and E-AC3 in 5.1


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Re: OpenPLI 8.1 and E-AC3 in 5.1 #21 Pr2

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Posted 2 April 2022 - 15:46

In fact E-AC3 is also commonly called AC3+  and FendiMan is refering to this possibility:

 

https://forums.openp...ac3-in-openpli/

 

So he is asking for an option to turn AC3+ into AC3 (and not into PCM Stereo) so I guess that this should be foreseen by the manufacturer driver but it's not so not sure that OpenPLi can do anything about it.


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Re: OpenPLI 8.1 and E-AC3 in 5.1 #22 WanWizard

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Posted 2 April 2022 - 16:44

My amplifier is 20 years old, and predates both HDMI and E-AC3/AC3+. It is connected to the box using SP-DIF.

 

And you can see on the photo of the display, the Solo 4K doesn't downmix it to PCM stereo, it detects all channels just fine (with the example file I linked to).

 

Afaik, no box automatically downmixes, if you use an unsupported codec, you simply have no audio. So, either the box downmixes, or the player the TS uses downmixes.


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Re: OpenPLI 8.1 and E-AC3 in 5.1 #23 FendiMan

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Posted 4 April 2022 - 01:37

So he is asking for an option to turn AC3+ into AC3 (and not into PCM Stereo) so I guess that this should be foreseen by the manufacturer driver but it's not so not sure that OpenPLi can do anything about it.

No.

Other images can E-AC3 put out correct, so this is not a solution.
 


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Re: OpenPLI 8.1 and E-AC3 in 5.1 #24 Dimitrij

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Posted 4 April 2022 - 05:22

FendiMan

 

please answer in telnet:

grep -r "" /proc/stb

 


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Re: OpenPLI 8.1 and E-AC3 in 5.1 #25 Pr2

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Posted 4 April 2022 - 07:22

OpenPLi can handle AC3+ since it is the audio formats used on the French TNT channels. But it depends on the hardware (STB brand and model that needs to support it).

So I didn't get what you want FendiMan

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Wanna help with OpenPLi Translation? Please read our Wiki Information for translators

Sat: Hotbird 13.0E, Astra 19.2E, Eutelsat5A 5.0W
VU+ Solo 4K: 2*DVB-S2 + 2*DVB-C/T/T2 (used in DVB-C) & Duo 4K: 2*DVB-S2X + DVB-C (FBC)

AB-Com: PULSe 4K 1*DVB-S2X (+ DVB-C/T/T2)
Edision OS Mio 4K: 1*DVB-S2X + 1*DVB-C/T/T2
 


Re: OpenPLI 8.1 and E-AC3 in 5.1 #26 FendiMan

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Posted 4 April 2022 - 13:47

@Dimitrij:

Attached Files


Edited by FendiMan, 4 April 2022 - 13:48.

Gruß FendiMan

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Re: OpenPLI 8.1 and E-AC3 in 5.1 #27 Dimitrij

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Posted 4 April 2022 - 13:57

/proc/stb/audio/aac_choices:downmix passthrough multichannel force_dts force_ac3 use_hdmi_caps
/proc/stb/audio/ac3_choices:downmix passthrough multichannel force_dts use_hdmi_caps

Current value:

/proc/stb/audio/aac:passthrough
/proc/stb/audio/ac3:passthrough

Set in telnet in turn,e.g.:

echo "downmix" > /proc/stb/audio/aac

or

echo "downmix" > /proc/stb/audio/ac3

and etc value...
 

/proc/stb/audio/aacplus_choices:downmix passthrough multichannel force_dts force_ac3
/proc/stb/audio/ac3plus_choices:downmix passthrough multichannel force_dts force_ac3

 

/proc/stb/audio/aacplus:downmix
/proc/stb/audio/ac3plus:downmix

 


Edited by Dimitrij, 4 April 2022 - 14:01.

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Re: OpenPLI 8.1 and E-AC3 in 5.1 #28 Jork

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Posted 4 April 2022 - 13:59

--

Edited by Jork, 4 April 2022 - 14:00.


Re: OpenPLI 8.1 and E-AC3 in 5.1 #29 FendiMan

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Posted 4 April 2022 - 14:02

@Pr2:

The Gigablue UHD Quad can handle 3 images, so I have the choice, which I want to boot.

If I boot OpenPLI, E-AC3 is given out as 2.0 PCM tone

If I boot one of the others (Teamblue 6.4 or OpenNFR 6.4) E-AC3 is give out as 5.1 AC3-tone.

It depends not of the connected AV-Receiver (I use a Denon 2700).

On the attached Sreenshots playing the file from WanWizard, at first with OpenPLI, second with Teamblue

 

Attached Files


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Re: OpenPLI 8.1 and E-AC3 in 5.1 #30 FendiMan

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Posted 4 April 2022 - 14:07

Here my AV-Settings:

Attached Files


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Re: OpenPLI 8.1 and E-AC3 in 5.1 #31 Dimitrij

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Posted 4 April 2022 - 14:07

Test

echo "force_ac3" > /proc/stb/audio/ac3plus

 


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Re: OpenPLI 8.1 and E-AC3 in 5.1 #32 FendiMan

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Posted 4 April 2022 - 14:18

Great, with this it works.

At first not, after downmix on and off the ton switched to Dolby Digital.

 

But:

After I started the box new, it's the same like before, I have to set the code in telnet  again.


Edited by FendiMan, 4 April 2022 - 14:22.

Gruß FendiMan

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Re: OpenPLI 8.1 and E-AC3 in 5.1 #33 Dimitrij

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Posted 4 April 2022 - 20:18

Need test

A/V settings" add more proc value


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Re: OpenPLI 8.1 and E-AC3 in 5.1 #34 FendiMan

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Posted 4 April 2022 - 21:42

I found out that I have to compile the file AVSwitch.py to AVSwitch.pyo.

I tried some Online Compiler, but I got a error message:

 

  File "AVSwitch.py", line 177
    open("/proc/stb/audio/ac3", "w").write(configElement.value)
    ^
IndentationError: unexpected indent

 

If this is the wrong way - which one works?

I'm fit in installing and using Enigma2, but not really in the deeper levels like this.


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Re: OpenPLI 8.1 and E-AC3 in 5.1 #35 scriptmelvin †

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Posted 4 April 2022 - 23:32

You don't need to compile, python does it for you. Just put the changed *.py files in their respective locations (make a backup first of the current *.pyo files) and restart enigma2. Python will detect that the *.py files are newer than the corresponding *.pyo and recompile them.


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Re: OpenPLI 8.1 and E-AC3 in 5.1 #36 FendiMan

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Posted 5 April 2022 - 02:31

Ah, that's easy!

Thank you and thanks to Dimitrij for his work!


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Re: OpenPLI 8.1 and E-AC3 in 5.1 #37 FendiMan

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Posted 5 April 2022 - 03:09

It works, but I alwys get a green screen if I want to open the Audio-Settings.

 

 

Attached Files


Gruß FendiMan

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Re: OpenPLI 8.1 and E-AC3 in 5.1 #38 Dimitrij

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Posted 5 April 2022 - 05:43

FendiMan

/usr/lib/enigma2/python/Screens/AudioSelection.py

 


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Re: OpenPLI 8.1 and E-AC3 in 5.1 #39 FendiMan

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Posted 5 April 2022 - 13:36

It works!

Thank you very much!

 

Is this just a problem of the gigablue or a common problem of OpenPLi?

I previously used a VU+Duo2 for some years, and there was the same problem - I thought this problem comes from the tone format.

After buying the gigablue with the possibility to install 2 other images I realised that this is a problem of the image.


Gruß FendiMan

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Re: OpenPLI 8.1 and E-AC3 in 5.1 #40 Dimitrij

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Posted 5 April 2022 - 13:41

 

Is this just a problem of the gigablue or a common problem of OpenPLi?

It was necessary to add missing settings in openPli.


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