Am6b+ issue when forwarding videos

[lfkfelipe]

Hi guys

Im very happy with my AM6B+, playing all kind of movies with dolby vision profile 7, fel…everything
The inly issue, is when watchin movies with dolby vision fel, if rewind or forward the video, it just start to have stuttering, and lypsync issues.

I have the last nightly version of coreleec, installed directly into the internal storage from the am6b+.

Does anyone knows a way to fix this issue?
Also, regarding the colometry bt2020 or rec709, doea any one knows how to check if the video is playing with one of this colometrys? Or how to set to AUTOMATIC

Thankyouu

[MauriceW67]

Which format are your DV FEL movies in? If it’s in BDMV or ISO format, the issue is known, but the developers have not had time yet to look into it.

For MKVs with single-track-dual-layer FEL video, you should be ok.

[lfkfelipe]

Hello Maurice,
Exactly, with BDMV movies, thats happen when forwarding/Rewinding videos, it starts to stutter, and the audio just get desynchronized with the video.

Another point when jumping chapters, I see that the problem is mitigated when you pause the video, and jump a chapter, but if the video is playing and you jump the chapter, the problem gets active again.

[MauriceW67]

Yes I have the same issue. I already reported it here some time ago:

Dolby Vision for Minix U22X-J (Max) and Ugoos AM6+

I created a log with debug logging on and also video component logging. I played my rip of The Wolf of Wallstreet in “play main movie” mode, so no Java menus or anything. I started the movie and skipped to the next chapter → Audio out of sync and video has stutters. Then I jumped back 1 minute → Still the same issue with audio and video. Link to log file (paste sites did not work because log file is about 32 MB): @Portisch Not sure if you can see anything useful, but if you have time, ple…

Also, @DMDreview has reported the same.

Like I said, one of the developers needs to take a look at it. Time permitting of course. And if it’s even fixable at all.

In the mean time, you can use MakeMKV to convert to a STDL MKV file and play it that way.

[Jonke]

I hade same problem as above with Transformers uhd . Iso . Stutter /audio sync issues after chapter skip . How ever if i use java addon and change chapter with bd menu during playback there is no issue on the same file.

[xmlcom]

Hi mate Which addon please & how to change chapter skipping in bdmenu? Thanks.

[Jonke]

Install from CE addons
More info here Full bluray and 4k uhd bluray menu support for Android

[lfkfelipe]

Thank you guys. Lets hope this issue is fixed.
Final question
I have an AVR that plays all types of sounds…im using earc for example, but in Kodi, theres to options:
ALSA: AML-AUGESOUND, HDMI MULTI CH PCM
ALSA-AML-AUGESOUND, HDMI

Which one is correct for full passthrough unconpresed audio?

Or borh are the same

Thank you

[MauriceW67]

You need the second one, without MULTI CH PCM.

[lfkfelipe]

Thank you so much Maurice.
I give you an update regarding the problem when forwarding videos.
As u know, im testing BDMV movies with menus. When I use the menu to skip to another chapter, the issue of stuttering and lypsinc problem, is gone…So, I think this issue can be solved in the future

[fancypants]

For what it’s worth, I am having the same issue on the latest nightly build of CoreELEC playing Dolby Vision (Profile 7) FEL rips.

Lip sync problems occur randomly, and occasionally can be fixed with a rewind. I am using an Amlogic6+ into my Denon AVR-x3700h, which then feeds my LG CX. Using all HDMI Ultra High Speed cables.

Lip sync issues occurs both with and without lip sync correction on the Denon and/or the LG CX. Also tried with LED Led and TV Led, still occurs