Dolby Vision now possible through MP4 Mux.

[yusesope]

It's working with Atmos and Dolby Vision...Using a Shield TV Pro 2019, LGC6 and Denon X2500

Can confirm this split method (sample file) does work no problem. Vizio Quantum X, Denon AVR-S750H, and shield tv pro 2019.

Wonderful but It's too early to crow.
Now you need to check that the audio track and the video track are in perfect sync.
I did tests with 1080p material (the maximum I can play) and everything seems to be ok.
But first you need to create your files:

• Use DVDFab and generate an mp4 file (dvdfab_out.mp4) without any audio track **

• Use FFmpeg to create an mkv file with the TrueHD/ATMOS track inside

The basic idea is to use the first mp4 as a container for the DV track and the mkv one to integrate audio tracks and subtitles.
The mkv file is considered by my app as an "external subtitle" and rendered at the same time as the video track.
The mkv file, however, must contain an accessory video track that has the sole function of providing a "context" to the other streams present in the container.

After creating the dvhe.05 track with DVDfab you need to get its duration with the command

Code: Select all

ffprobe -v error -show_entries format=duration -of default=noprint_wrappers=1:nokey=1 \path\to\dvdfab_out.mp4

and its framerate with the command

Code: Select all

ffprobe -v 0 -of csv=p=0 -select_streams v:0 -show_entries stream=r_frame_rate \path\to\dvdfab_out.mp4

With the data obtained (a decimal number and a fraction), launch the command making the appropriate substitutions (fields in red)

ffmpeg -f lavfi -i color=c=black:s=100x100:r=FRAMERATE:d=DURATION -i bluray:\path\to\bluray -map 0:0 -map 1:AUDIO_STREAM_ID -c:v libx265 -c:a copy \path\to\ffmpeg_out.mkv

If everything works properly, the last step with mp4box is completely eliminated, significantly reducing muxing times.

**
To export only the video track with DVDFab: right click on the info bar and then left click on "Unselect all audio tracks".

same results on the AFTV Stick 4k, flags dolby vision but black screen. it also can't do lossless atmos, just dd+ or lpcm 7.1, but cool that it works on the shield!

If you give me the logs I can try to understand why the DV track doesn't work.
With my previous attempts, did you get ATMOS on your AVR?
It seems strange to me because the Fire TV Stick 4K has no hardware decoder for the TrueHD/ATMOS (and for the DTS family). Check HERE.
I think you can decode the audio (in PCM) because I implemented FFmpeg in my app.

[justinadams]

just did this to Hobbs and Shaw, watch the first 4 min perfectly, DV, ATMOS, and no audio desync (at least so far, don't have time to sit and watch the whole thing right now)
Great work man.

[Fieldy]

• Use FFmpeg to create an mkv file with the TrueHD/ATMOS track inside

Thank you man for your efforts. Great work
However, how to make such an mkv using FFmpeg? I was only able to create an mp4 with TrueHD/ATMOS.

Code: Select all

ffmpeg.exe -i bluray:\path\to\bluray -map 0:2 -c:a copy -strict -2 %userprofile%\Desktop\atmos.mp4

What did I wrong?

[Grencola]

If you give me the logs I can try to understand why the DV track doesn't work.
With my previous attempts, did you get ATMOS on your AVR?
It seems strange to me because the Fire TV Stick has no hardware decoder for the TrueHD/ATMOS (and for the DTS family). Check HERE.
I think you can decode the audio (in PCM) because I implemented FFmpeg in my app.

No, just like you linked I can't get THD Atmos on the firestick, only dd+ atmos, but it does decode it with your app and give pcm so I do have sound though yea. I'm using your app in hopes of just getting dv mp4s to play. they work via usb directly on my tv but that media player is slow laggy garbage. I'll get you the logs and see why it's just a black screen with sound. even the LG DV demos are the same way, yet play in dolby vision with the basic sideloaded mx player.

[yusesope]

just did this to Hobbs and Shaw, watch the first 4 min perfectly, DV, ATMOS, and no audio desync (at least so far, don't have time to sit and watch the whole thing right now)
Great work man.

Keep us posted!

However, how to make such an mkv using FFmpeg? I was only able to create an mp4 with TrueHD/ATMOS...What did I wrong?

yet play in dolby vision with the basic sideloaded mx player.

Is MX Player capable of managing Dolby Vision streams?

[Grencola]

yet play in dolby vision with the basic sideloaded mx player.

Is MX Player capable of managing Dolby Vision streams?

Yes it is, to my surprise. It doesn't support frame-switching though, which is a deal breaker for me since I don't want to watch my 24fps movies in 60fps. hoping your player will do this?

[SamuriHL]

I've not seen this posted here yet and I am not taking any credit for this info (it comes from the AVS SHIELD 2019 Pro thread) but someone posted that MrMC has added support for Dolby Vision in the latest beta. There are issues with it but they're working on fixing it. I think we're at the beginning of some good things. Just out of curiosity do we know how to master a TS with a single layer Dolby Vision stream and ATMOS? Can it just be remuxed from an MP4?

[justinadams]

just did this to Hobbs and Shaw, watch the first 4 min perfectly, DV, ATMOS, and no audio desync (at least so far, don't have time to sit and watch the whole thing right now)
Great work man.

Keep us posted!

Just finished, and it played all the way through perfectly. Also play/pause and skip forward/backward work as well.

[baker99]

yet play in dolby vision with the basic sideloaded mx player.

Is MX Player capable of managing Dolby Vision streams?

Yes it is, to my surprise. It doesn't support frame-switching though, which is a deal breaker for me since I don't want to watch my 24fps movies in 60fps. hoping your player will do this?

Just tried mx player myself on the shield and yes it does trigger DV, I tried the codec for mxplayer you wrote and unfortunately it doesn't seem to give atmos for me though.

[Grencola]

Just finished, and it played all the way through perfectly. Also play/pause and skip forward/backward work as well.

Does framerate-switching work properly too?

[justinadams]

Just finished, and it played all the way through perfectly. Also play/pause and skip forward/backward work as well.

Does framerate-switching work properly too?

I'm not 100% sure, but the display does blackout for a second like when it's switching resolutions.
but even if it is, i dont know if that's the software or the new shield pro 19. the new shield seems to play a more active role in refresh switching than the 17 model did.

[flashback8]

Hi. First off, thanks to yusesope for all the hard work. It's much appreciated. :) I do have one question. Has anybody tried the results of the new MKV method on the Oppo or one of its offshoots, or even just plain old HDR10 playback? I don't have access to a DV disc at the moment (I will later this week) but I'm curious if this method will really deliver the goods. :) (Granted, my ultimate desire is for MakeMKV to produce a 100% untouched MKV with DV, but I know that may be a tall order without a technical spec.)

[Grencola]

I'm not 100% sure, but the display does blackout for a second like when it's switching resolutions.
but even if it is, i dont know if that's the software or the new shield pro 19. the new shield seems to play a more active role in refresh switching than the 17 model did.

I'm guessing software as mx player doesn't do it even though my aftv stick hardware can do it no problem like in official apps and even kodi. YusesoPlayer uses the latest exoplayer 2.1, but I can't find any info on if it frame switches or not.

I'd rather watch a 24fps movie in hdr10 @ 24p than in dv @ 60p any day, jutter really bugs me

[justinadams]

I've not seen this posted here yet and I am not taking any credit for this info (it comes from the AVS SHIELD 2019 Pro thread) but someone posted that MrMC has added support for Dolby Vision in the latest beta. There are issues with it but they're working on fixing it. I think we're at the beginning of some good things. Just out of curiosity do we know how to master a TS with a single layer Dolby Vision stream and ATMOS? Can it just be remuxed from an MP4?

While yes they have added support for DV it is not usable. what i tested, video (with DV) did play, but would not play the atmos audio and then would crash the nvidia shield(one time a full hard lock crash) when you try to exit.

[DaMacFunkin]

I'm not 100% sure, but the display does blackout for a second like when it's switching resolutions.
but even if it is, i dont know if that's the software or the new shield pro 19. the new shield seems to play a more active role in refresh switching than the 17 model did.

I'm guessing software as mx player doesn't do it even though my aftv stick hardware can do it no problem like in official apps and even kodi. YusesoPlayer uses the latest exoplayer 2.1, but I can't find any info on if it frame switches or not.

I'd rather watch a 24fps movie in hdr10 @ 24p than in dv @ 60p any day, jutter really bugs me

same here, I need to watch 23.976 at exactly that, anything else annoys the sheez out of me, Amazon are the worst offenders