Ok, maybe it can decode, but it doesn't solve my problem. Why isn't the passthrough on only HD-DTS not working anymore?
I think it has to do with the Mesa driver, but I'm not sure. That's why included a log. I'm cannot understand the log, it says something about large audio sync error and broken pipe. What is going on? It should work, cause my hardware is supported by Libreelec.
IF I remember correctly, it hasnt been implemented for PI4 - but m not 100% sure.
"With passthrough disabled, it works" which should really mean its decoding it fine!
Display MoreAll,
Can you please help me out?
I've build a new HTPC, changed my GPU to AMD, so I can decode HEVC 10 bit. Works fine.
Only one problem.
I cannot decode DTS-HD (DTS-X) anymore. Sometimes DTS format is buggy as well. No issues on Atmos, True HD , and DD.
Before this GPU, I had no problems with audio at all.
With passthrough disabled, it works fine, but I don't want to do that.
some extra info:
I'm using a dual boot. On win10 no issues at all. But I want to use LibreElec.
Receiver: Pioneer VSX 1131
TV: Philips 65PUS7601
HTPC: Intel i36100 @ 3,7GHZ, AMD Radeon RX580 8.GB MSILibreElec: 9.1.502. I also tried other versions. Sometimes normal DTS stutters on Leia versions. On Krypton no sound at all.
I can also provide a log: http://ix.io/22g7
Kind regards!
My problem was a Micro HDMI plug to HDMI-A socket converter, to convert the pi4 new video interface to fix the cable i had for the old pi3 that runs through my ceiling. Bought this converter off ebay and CEC did not work:-
Micro HDMI To HDMI Adapter Convertor Cable For Amazon Kindle Fire HD 7 8 9 | eBay
So bought this converter from Amazon and CEC now does work:-
UGREEN Micro HDMI to HDMI Adapter, Support 4K, 3D with: Amazon.co.uk: Electronics
So you need a quality MicroHDMI to HDMI converter or CEC might not work.
Its funny, my PI3b+ was automatically updated last night to the latest version and now HDMI-CEC doesnt work on it either.
I am currently rolling it back to 9.0, will see if that makes a difference
What other operating systems have been tried using the Raspberry Pi 4 with a Samsung TV ?
I searched the Kodi Forums and couldn't find any threads with this issue. I did find a thread in the raspberrypi.org forum but it's not that clear. Here's a link: raspberrypi.org forum
I recommend asking for help there
After trying evereything I gave up and returned pi4 - I can confirm HDMI-CEC doesnt work on libreelec rpi-4.
rpi3-b is working fine for me.
Display MoreOnly thing I can think of is trying to fresh reinstall on another sd card, even try OpenElec or newer/older Libreelec builds.
The goal ATM is to find out if it works at all with anything to eliminate hardware fault.
So you need to;
* Test different Operating Systems(With CEC)
* Test different TV's
* Test different cables(already done)
What's the model number of the TV, probably worth looking up whether someone somewhere else has had issues with that TV. Also I remember ages ago updating firmware on my TV.
I've been testing on a wide number of TV's(mine, friends and families) and have only had the problem with the cable in use.
There is also settings for CEC in your System -> Input -> Peripherals.
Make sure it's not turned off or on some weird setting, eventhough I trust you didn't change the settings from install. It doesn't hurt to double and triple check these things.
What's been said has been done already.
What we need is the developers to take a look and see if they can fix this!
Display MoreI managed to get a few cables and can conclude my issue was with a years old cable I had since 2010ish.
So I have an assortment of regular micro HDMI to HDMI, little adapters that convert to just normal HDMI to HDMI. They all seem to work.
Something else to look at is testing all the HDMI ports in your TV.
I had one set to Game Mode on my samsung, which was the main port I was using. The other ports which didn't have game mode set connected to the CEC without an issue.
I would recommend trying to reset your TV to factory defaults and just testing ports and settings.
I am using an old Samsung Series 5 LED TV.
I am using brand new cables, infact tried 4 different ones didn't resolve the issue. Game mode is off so that doesnt effect in my situation. Have already reset to factory default so I guess its just not going to work for on rpi4 
Good idea, I've ordered the cable, lets see if it works.
cheers
Cable came today and tested. Unfortunately still dosnt work.
back to square one!
Samsung, right? My 2018 model also doesn't work with CEC (pi3 did, same cables, sam
Yes, CEC isnt working so far on pi4.
Are you using mini-hdmi adaptor?
I've figured it out!
At least for my situation - it was the damn microHDMI adapter - tried with a microHDMI cable and it works fine!
Maybe try a different cable...
TV Panasonic TX55CS620E
RP 4GB
Good idea, I've ordered the cable, lets see if it works.
cheers
Display MoreHello all,
LG tv same problem.RPI 2 & 3 - CEC works for years, RPI4 not working.
Thanks for fix.
Edit:
Sorry, I was to fast with posting.
After googling in some other forums, I have found, that for CEC to work, HDMI must be plugged to the port next to the usb-c/charging port. Moving the HDMI cable from the other HDMI port to this one helped and now the CEC is working as well.
Might be a good tip for someone new as me
Glad it worked for you by changing port but unfortunately it does work for me no matter which port its plugged into.
ok - cec-not working so far on panasonic or samsung tvs on RPI4 which previously worked on all pi's.
If any developer watching this thread, please help?
CEC works on my earlier Pi's, and I've never had CEC connection issues with my samsung, beside buggy stuff that can be fixed or worked out.
My micro hdmi cable is old though, so I will look into buying a new one in the coming weeks.
I've done all these test and can confirm hdmi-cec doesnt work (atleast) for samsung tv but worked for earlier rpi's.
Hi
I installed libreelec on my pi4 but the hdmi cec isn't working and when I want to play a video there is only the sound and and a black display.
Can anyone help me?
Can you please post the make/model of the TV?
I doubt very much this will help but watch this:
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Thanks but this is very basic requirment for hdmi-cec to work, if this wasnt on it wouldnt have worked for rpi3 or anything else but it does. just rpi4 isnt working
Are only Samsung TV's affected by this issue ?
So far, yes only samsung users have reported cec issue
Just swapped from RPi3B+ to RPi4B and I have the same issues - Samsung TV and CEC not connecting.
Other issues include:
- When switching back to TV the HDMI and CEC grab focus back and switch back to Kodi while trying to reconnect ever 2min or so
- Press the buttons sometimes there is a click, 1min of nothing and then all clicks hit at once and Kodi crash
Ive tried all of the above myself, looks like its back to RPi3B+ for the time being.
yes bcz its trying to connect cec n timing out.
m already bak to pi3
