Amazon FireTV Audio Passthrough not working

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Amazon FireTV Audio Passthrough not working

Postby doe1097 » Mon Sep 05, 2016 3:05 pm

Hello,

I'm currently testing the DVBLink Server together with my Amazon Fire TV and first would like to thank you for this app. Great decision to release it for this device!

Although it's a great app for Version 1.0.1(8), I have a little to remark: I can't get Audio Passthrough to work. My AVR is a Yamaha RX-V475, which is definitely able to play Dolby Digital (+) and all this fancy audio formats, but when I switch to a programme that broadcasts in DD the Yamaha shows PCM. This indicates that the DVBLink Theatre App sends a pre-setted audio channels.

Is Audio Passthrough not yet supported? Or is something wrong with my configuration?

Best,
H.
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Re: Amazon FireTV Audio Passthrough not working

Postby the_man » Fri Sep 09, 2016 2:02 pm

The Audio Passthrough is supported. Do channels you have tested with have a appropriate audio tracks?
NETGEAR RNDU2000; Synology DS112j, DS 212j, DS213+, DS 712+; Western Digital WD ex2; Asustor AS3, RPI2 ...
PCTV 460,461e,292e; TT 4400, 4650CI;DVBSKy S960; DD octopus net; Inverto sat2ip multibox; TBS DVB-C ...
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Re: Amazon FireTV Audio Passthrough not working

Postby doe1097 » Tue Sep 13, 2016 9:56 am

Thanks for your answer.

I'm trying to passthrough on my AFTV 1st Gen via HDMI and face this issue with several German Broadcasting Stations like:
    Das Erste HD
    ZDF HD
    Arte HD
    ServusTV HD
    ...

My Provider is Wilhelm.Tel in Hamburg, Germany.
DVBLink Server
    CPU Intel i3 4360T
    RAM Kingston DDR-1600 8GB
    GPU Nvidia GTX750Ti
    DVB Digital Devices Cine CT
    OS Ubuntu 14.04.5 64-Bit
Amazon FireTV 1.Gen
    Fire OS 5.2.1.1
    DVBLink Theatre 1.0.2(10)
RPi 2
    Kodi 16 (LibreELEC)
    DVBLink Add-On
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Re: Amazon FireTV Audio Passthrough not working

Postby the_man » Wed Sep 14, 2016 11:21 am

Do you use a transcoding function? I mean is the Live TV stream in original quality or transcoded?
NETGEAR RNDU2000; Synology DS112j, DS 212j, DS213+, DS 712+; Western Digital WD ex2; Asustor AS3, RPI2 ...
PCTV 460,461e,292e; TT 4400, 4650CI;DVBSKy S960; DD octopus net; Inverto sat2ip multibox; TBS DVB-C ...
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Re: Amazon FireTV Audio Passthrough not working

Postby doe1097 » Wed Sep 14, 2016 2:57 pm

The signal of the mentioned services is directly from Source - no transcoding.

The scheme is like this: DVB-C Signal -> Digital Devices Cine C/T -> DVBLink Server on Ubuntu 14.04.5 -> Fire TV

I also have some channels which are transcoded in AAC. AAC seems to be completely unsupported, since it outputs no sound at all, no matter if passthrough is activated or not.
DVBLink Server
    CPU Intel i3 4360T
    RAM Kingston DDR-1600 8GB
    GPU Nvidia GTX750Ti
    DVB Digital Devices Cine CT
    OS Ubuntu 14.04.5 64-Bit
Amazon FireTV 1.Gen
    Fire OS 5.2.1.1
    DVBLink Theatre 1.0.2(10)
RPi 2
    Kodi 16 (LibreELEC)
    DVBLink Add-On
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Re: Amazon FireTV Audio Passthrough not working

Postby the_man » Wed Sep 14, 2016 3:50 pm

The "Amazon FireTV Audio Passthrough" issue is added in the todo list. We will check what we may do here.

PS. Please, install the VLC player, open the DVBlink DLNA server , start any channels and try to enable Audio Passthrough - results?
NETGEAR RNDU2000; Synology DS112j, DS 212j, DS213+, DS 712+; Western Digital WD ex2; Asustor AS3, RPI2 ...
PCTV 460,461e,292e; TT 4400, 4650CI;DVBSKy S960; DD octopus net; Inverto sat2ip multibox; TBS DVB-C ...
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Re: Amazon FireTV Audio Passthrough not working

Postby doe1097 » Thu Sep 15, 2016 3:11 pm

So, I installed VLC for Fire Version 2.0.6 yesterday but when I start the App and navigate to 'Local Network' -> 'DVBLink DLNA TV Server' -> 'TV Channels' it shows me "Directory empty".
Am I doing something wrong? Additionally, I cant find any option to enable audio passthrough within VLC.

___Update:
Now, I managed to export an .m3u file by using http://IP:8100/mobile/?command=get_playlist_m3u and uploaded it to my FireTV. I then started the file and managed to get the stream to work, but same here as with the DVBLink Theatre App: no matter which Audio I choose, it's pre-processed by the ATV and arrives at PCM at my AV-receiver. AAC is completely unsupported.
DVBLink Server
    CPU Intel i3 4360T
    RAM Kingston DDR-1600 8GB
    GPU Nvidia GTX750Ti
    DVB Digital Devices Cine CT
    OS Ubuntu 14.04.5 64-Bit
Amazon FireTV 1.Gen
    Fire OS 5.2.1.1
    DVBLink Theatre 1.0.2(10)
RPi 2
    Kodi 16 (LibreELEC)
    DVBLink Add-On
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Re: Amazon FireTV Audio Passthrough not working

Postby the_man » Thu Sep 15, 2016 3:32 pm

doe1097 wrote:So, I installed VLC for Fire Version 2.0.6 yesterday but when I start the App and navigate to 'Local Network' -> 'DVBLink DLNA TV Server' -> 'TV Channels' it shows me "Directory empty".
Am I doing something wrong? Additionally, I cant find any option to enable audio passthrough within VLC.


Try to reboot/restart the server and the client, then try once more.
The passthrough feature is available during the playback.
NETGEAR RNDU2000; Synology DS112j, DS 212j, DS213+, DS 712+; Western Digital WD ex2; Asustor AS3, RPI2 ...
PCTV 460,461e,292e; TT 4400, 4650CI;DVBSKy S960; DD octopus net; Inverto sat2ip multibox; TBS DVB-C ...
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Re: Amazon FireTV Audio Passthrough not working

Postby doe1097 » Thu Sep 15, 2016 3:41 pm

the_man wrote:Try to reboot/restart the server and the client, then try once more.
The passthrough feature is available during the playback.


I rebooted both, but nothing changes - the DVBLink DLNA TV Server channel directory stays empty.
DVBLink Server
    CPU Intel i3 4360T
    RAM Kingston DDR-1600 8GB
    GPU Nvidia GTX750Ti
    DVB Digital Devices Cine CT
    OS Ubuntu 14.04.5 64-Bit
Amazon FireTV 1.Gen
    Fire OS 5.2.1.1
    DVBLink Theatre 1.0.2(10)
RPi 2
    Kodi 16 (LibreELEC)
    DVBLink Add-On
doe1097
 
Posts: 9
Joined: Mon Sep 05, 2016 2:46 pm

Re: Amazon FireTV Audio Passthrough not working

Postby the_man » Thu Sep 15, 2016 3:46 pm

Is it possible for you to install the server on the desktop (with the trial license) and check the previous scenario?
NETGEAR RNDU2000; Synology DS112j, DS 212j, DS213+, DS 712+; Western Digital WD ex2; Asustor AS3, RPI2 ...
PCTV 460,461e,292e; TT 4400, 4650CI;DVBSKy S960; DD octopus net; Inverto sat2ip multibox; TBS DVB-C ...
the_man
 
Posts: 4661
Joined: Mon Dec 02, 2013 1:11 pm

Re: Amazon FireTV Audio Passthrough not working

Postby doe1097 » Thu Sep 15, 2016 4:00 pm

the_man wrote:Is it possible for you to install the server on the desktop (with the trial license) and check the previous scenario?


That's gonna be tough, since I only have the server and a notebook which are both setup with Ubuntu and I wont be able to put the PCIe DVB-C card into the laptop.. What's the idea behind it?
DVBLink Server
    CPU Intel i3 4360T
    RAM Kingston DDR-1600 8GB
    GPU Nvidia GTX750Ti
    DVB Digital Devices Cine CT
    OS Ubuntu 14.04.5 64-Bit
Amazon FireTV 1.Gen
    Fire OS 5.2.1.1
    DVBLink Theatre 1.0.2(10)
RPi 2
    Kodi 16 (LibreELEC)
    DVBLink Add-On
doe1097
 
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Joined: Mon Sep 05, 2016 2:46 pm

Re: Amazon FireTV Audio Passthrough not working

Postby Oberon » Thu Sep 15, 2016 4:03 pm

Can you try playing back a recording instead of live tv?
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Re: Amazon FireTV Audio Passthrough not working

Postby doe1097 » Thu Sep 15, 2016 4:12 pm

Oberon wrote:Can you try playing back a recording instead of live tv?


I watched a Recording with the DVBLink Theatre app which was originally sended in AAC. The sound works, but it's still pre-processed.
With the VLC app I face the same problem as with the channels: an empty directory. Could it be a permission problem?

I also tested the server together with Kodi and Dolby works on this plattform, so it shouldn't be a server problem.
DVBLink Server
    CPU Intel i3 4360T
    RAM Kingston DDR-1600 8GB
    GPU Nvidia GTX750Ti
    DVB Digital Devices Cine CT
    OS Ubuntu 14.04.5 64-Bit
Amazon FireTV 1.Gen
    Fire OS 5.2.1.1
    DVBLink Theatre 1.0.2(10)
RPi 2
    Kodi 16 (LibreELEC)
    DVBLink Add-On
doe1097
 
Posts: 9
Joined: Mon Sep 05, 2016 2:46 pm


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