Dolby Vision now possible through MP4 Mux.

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Angryunibrow
Posts: 104
Joined: Wed Nov 06, 2019 11:26 pm

Re: Dolby Vision now possible through MP4 Mux.

Post by Angryunibrow »

ragico wrote:
Wed Mar 04, 2020 10:37 pm
I have followed the steps and now have the final .mp4 file created by mp4muxer as yusesope reccomends. Can I now using it to create the .ts file in tsmuxer so that I can add the atmos track? Or I will loose some dv quality?
TSMuxer will lose some of the DV, read back a few posts. If you do that you will lose the EL bits and pieces
ragico
Posts: 265
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Re: Dolby Vision now possible through MP4 Mux.

Post by ragico »

Angryunibrow wrote:
Wed Mar 04, 2020 10:44 pm
ragico wrote:
Wed Mar 04, 2020 10:37 pm
I have followed the steps and now have the final .mp4 file created by mp4muxer as yusesope reccomends. Can I now using it to create the .ts file in tsmuxer so that I can add the atmos track? Or I will loose some dv quality?
TSMuxer will lose some of the DV, read back a few posts. If you do that you will lose the EL bits and pieces
Thank you
baker99
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Joined: Wed Oct 30, 2019 7:05 pm

Re: Dolby Vision now possible through MP4 Mux.

Post by baker99 »

A quick question, if this works will it be identical (in theory) to the original dual layer source? As it has BL+El, or do we lose something like 12bit?
mattmarsden
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Re: Dolby Vision now possible through MP4 Mux.

Post by mattmarsden »

Its the same size so I think everything is preserved. The decoding of the BL and EL is still requiring 2 HEVC streams to be decoded so in theory I think its the same - unless the Shield is dropping the decoding of the EL and just playing the BL + RPU - not sure how we can tell?
RESET_9999
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Re: Dolby Vision now possible through MP4 Mux.

Post by RESET_9999 »

hepe9 wrote:
Wed Mar 04, 2020 10:28 pm
Thank you, if you can try the profiles 4 and 7 like yusesope said
Unfortunately, the single-layer file created by yusesope won't play in my x700( they also stutter on the C8) so I can't really compare properly as i did with TS-DL vs Mp4-DL

Also, with the shield, I cannot go frame by frame making it very hard to compare exactly the same frame.

So i tried my best to go at the same frame...it's close but not identical.. single layer looks brighter and washed out a bit :( this is 4.6 shield vs DL Mp4 x700: https://slow.pics/c/PYlA3TLw
comparison made in a complete black room without any lights.. Camera settings locked.. Tripod and bluetooth triggering.

4.6 is identical to 7.6

The shield is sending a different signal than the appleTV and the x700:
So maybe the difference is because I used 2 different players. no way to be sure.
IMO, the shield just cannot play both BL and EL... so we get BL+RPU
Shield (up to date):
Image

AppleTV & x700:
Image


So if yusesope method ever works on the x700, I'll do a proper comparison
Sorry for my English.
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hepe9
Posts: 71
Joined: Mon Jun 03, 2019 11:04 am

Re: Dolby Vision now possible through MP4 Mux.

Post by hepe9 »

Thanks you very much @RESET_9999

The frame is pretty close, good work.

So we can say thats is not the magic solution unfortunately
Angryunibrow
Posts: 104
Joined: Wed Nov 06, 2019 11:26 pm

Re: Dolby Vision now possible through MP4 Mux.

Post by Angryunibrow »

RESET_9999 wrote:
Wed Mar 04, 2020 11:39 pm
hepe9 wrote:
Wed Mar 04, 2020 10:28 pm
Thank you, if you can try the profiles 4 and 7 like yusesope said
Unfortunately, the single-layer file created by yusesope won't play in my x700( they also stutter on the C8) so I can't really compare properly as i did with TS-DL vs Mp4-DL

Also, with the shield, I cannot go frame by frame making it very hard to compare exactly the same frame.

So i tried my best to go at the same frame...it's close but not identical.. single layer looks brighter and washed out a bit :( this is 4.6 shield vs DL Mp4 x700: https://slow.pics/c/PYlA3TLw
comparison made in a complete black room without any lights.. Camera settings locked.. Tripod and bluetooth triggering.

4.6 is identical to 7.6

The shield is sending a different signal than the appleTV and the x700:
So maybe the difference is because I used 2 different players. no way to be sure.
IMO, the shield just cannot play both BL and EL... so we get BL+RPU
Shield (up to date):
Image

AppleTV & x700:
Image


So if yusesope method ever works on the x700, I'll do a proper comparison
Do the Shield and ATV4K look the same, meaning brighter and washed out compared to the DL File?
RESET_9999
Posts: 2406
Joined: Mon Aug 05, 2019 7:12 pm

Re: Dolby Vision now possible through MP4 Mux.

Post by RESET_9999 »

I never tried my appleTV for DV rips. Does plex support DV as well or just MrMC (i dont own this app)?
Sorry for my English.
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Angryunibrow
Posts: 104
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Re: Dolby Vision now possible through MP4 Mux.

Post by Angryunibrow »

RESET_9999 wrote:
Thu Mar 05, 2020 12:13 am
I never tried my appleTV for DV rips. Does plex support DV as well or just MrMC (i dont own this app)?
Infuse is the best, I think MrMC works as well but Infuse on the ATV4K is solid.
RESET_9999
Posts: 2406
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Re: Dolby Vision now possible through MP4 Mux.

Post by RESET_9999 »

is it free ? since I own a x700, I'm not very interrested in paying for SL.
Sorry for my English.
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ragico
Posts: 265
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Re: Dolby Vision now possible through MP4 Mux.

Post by ragico »

RESET_9999 wrote:
Wed Mar 04, 2020 11:39 pm
hepe9 wrote:
Wed Mar 04, 2020 10:28 pm
Thank you, if you can try the profiles 4 and 7 like yusesope said
Unfortunately, the single-layer file created by yusesope won't play in my x700( they also stutter on the C8)
Same for me with x700 and C8
Angryunibrow
Posts: 104
Joined: Wed Nov 06, 2019 11:26 pm

Re: Dolby Vision now possible through MP4 Mux.

Post by Angryunibrow »

RESET_9999 wrote:
Thu Mar 05, 2020 12:21 am
is it free ? since I own a x700, I'm not very interrested in paying for SL.
Unfortunately not
FusionNeo
Posts: 21
Joined: Sat Nov 02, 2019 1:15 pm

Re: Dolby Vision now possible through MP4 Mux.

Post by FusionNeo »

RESET_9999 wrote:
Wed Mar 04, 2020 11:39 pm
IMO, the shield just cannot play both BL and EL... so we get BL+RPU
Starting to get the feeling this is the case. Disappointing if true.
Angryunibrow
Posts: 104
Joined: Wed Nov 06, 2019 11:26 pm

Re: Dolby Vision now possible through MP4 Mux.

Post by Angryunibrow »

So I did the entire movie The Meg with DTS-HD MA 7.1

File played on the Shield
File played on the native Plex App on my C8 (others were having issues, mine played just fine - I'm on Wifi because of the 100Mb nic on the TV)

Really have no way in telling the difference between the two (if there was any)
Would like to know if the Shield, and or the TV is playing this correctly when muxed in a SL file.

Disappointing in the screen shots posted earlier.
ATD555
Posts: 45
Joined: Fri Feb 28, 2020 4:04 pm

Re: Dolby Vision now possible through MP4 Mux.

Post by ATD555 »

My personal opinion on the matter is that this is a major breakthrough. If you have a Shield or a TV then you unfortunately have to deal with what you got for now until you eventually get your hands on a Sony x700 or Oppo.

Fortunately, the x700 is within an affordable price range for most people.

It would be nice to know why the slight difference in black level is occurring.
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