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Dolby Vision

Any issues that are tvOS specific
User avatar
davilla
Team MrMC
Posts: 3989
Joined: 26 Oct 2015, 17:01

Re: Dolby Vision

Post by davilla » 08 Mar 2019, 20:14

ryu4000 wrote:
08 Mar 2019, 19:08
It works now just need to figure a way to bring true hd atmos to eacs atmos.
That's the other magic bullet needed :)

Grencola
Posts: 67
Joined: 25 Feb 2018, 03:02

Re: Dolby Vision

Post by Grencola » 08 Mar 2019, 20:43

ryu4000 wrote:
08 Mar 2019, 19:08
It works now just need to figure a way to bring true hd atmos to eacs atmos.
yeah that'd be nice. maybe get employed at dolby and upload dolby encoder suite then quit? :p

Grencola
Posts: 67
Joined: 25 Feb 2018, 03:02

Re: Dolby Vision

Post by Grencola » 19 Mar 2019, 02:21

So after enough testing, I can now safely say the dv mp4s made from mkv's in fact DO WORK just fine :) I've ran my program on like 10 of them and they all show dv and look and play amazing, with better contrast in the darker scenes that hdr10 misses. I'll update my app and take mkv out of testing and into full on good to go mode.
I've also added total elapsed procedure time, disk space check before starting, and bumped it to version 2.0 since I don't think I can add any more features with the limited knowledge I have. multiple file support would be nice though if any coders want to add it for me :)

DV-MP4-Maker v2.0: https://bit.ly/2WbHZR0

cheers.
Last edited by Grencola on 19 Mar 2019, 13:22, edited 1 time in total.

Golge77
Posts: 38
Joined: 20 Dec 2017, 13:56

Re: Dolby Vision

Post by Golge77 » 19 Mar 2019, 08:49

Grencola wrote:
19 Mar 2019, 02:21
So after enough testing, I can now safely say the dv mp4s made from mkvs DO infact work just fine :) I've ran my program on like 10 of them and they all show dv and look and play amazing, with better contrast in the darker scenes that hdr10 misses. I'll update my app and take mkv out of testing and into full on good to go mode :) yay!
I've also added elapsed time so you know how long it took when it finishes and bumped it to version 2.0 since I don't think I can add any more features with the knowledge I have lol.

DV-MP4-Maker v2.0: https://bit.ly/2WbHZR0

cheers.
Getting wrong framerate error reported should be 23.976fps but reported as 48i? and the created file is 0mb .
So it seems like it's not working.

MKV, 2 video tracks, 2 audio tracks, 1 subtitle track, 2:23:19, 48i /1.001
1: h265/HEVC, 3840x2176 48i /1.001 (30:17), 10 bits
2: h265/HEVC, 1080p24 /1.001 (16:9), 10 bits - Dolby Vision Enhancement Layer
3: TrueHD (Atmos), English, 7.1 channels, 48kHz
4: AC3 EX, English, 5.1 channels, 448kbps, 48kHz, dialnorm: -27dB

Grencola
Posts: 67
Joined: 25 Feb 2018, 03:02

Re: Dolby Vision

Post by Grencola » 19 Mar 2019, 13:28

Golge77 wrote:
19 Mar 2019, 08:49
Getting wrong framerate error reported should be 23.976fps but reported as 48i? and the created file is 0mb .
So it seems like it's not working.
I've never encountered this before and I've made so many mp4's already. could the mkv mediainfo be corrupt? you could try running it through mkvtoolnix to check it / auto-repair frame errors. maybe try again or try another mkv? that's odd for sure.

Golge77
Posts: 38
Joined: 20 Dec 2017, 13:56

Re: Dolby Vision

Post by Golge77 » 20 Mar 2019, 10:47

Grencola wrote:
19 Mar 2019, 13:28
Golge77 wrote:
19 Mar 2019, 08:49
Getting wrong framerate error reported should be 23.976fps but reported as 48i? and the created file is 0mb .
So it seems like it's not working.
I've never encountered this before and I've made so many mp4's already. could the mkv mediainfo be corrupt? you could try running it through mkvtoolnix to check it / auto-repair frame errors. maybe try again or try another mkv? that's odd for sure.
When I tried the original m2ts file it worked to make the mp4 file.

But Apple TV4k can't play it without stuttering and TV does not go into hdr mode.

Using "codec info" shows cpu going nuts at 294%

The file works when playing it on Shield TV.

attached info pics
Attachments
Shieldtv.jpg
info from Shield tv
appletv4kjpg.jpg
info from Appletv 4k

Grencola
Posts: 67
Joined: 25 Feb 2018, 03:02

Re: Dolby Vision

Post by Grencola » 20 Mar 2019, 13:32

Golge77 wrote:
20 Mar 2019, 10:47
When I tried the original m2ts file it worked to make the mp4 file.

But Apple TV4k can't play it without stuttering and TV does not go into hdr mode.

Using "codec info" shows cpu going nuts at 294%

The file works when playing it on Shield TV.

attached info pics
it's too bad ATV 4k can't play it. the shield tv doesn't play in DV though, just hdr10 right? so far the only devices that play these mp4's in dolby vision are:
LG OLED TV's from usb/plex (b/c 7 and 8, not 6)
Vizio TV's (m and p series, not PQ) from usb only
UHD-BD player (oppo 203, sony x7/800)

can I see the mediainfo of your mkv?
Last edited by Grencola on 20 Mar 2019, 23:05, edited 1 time in total.

Golge77
Posts: 38
Joined: 20 Dec 2017, 13:56

Re: Dolby Vision

Post by Golge77 » 20 Mar 2019, 14:08

Grencola wrote:
20 Mar 2019, 13:32
Golge77 wrote:
20 Mar 2019, 10:47
When I tried the original m2ts file it worked to make the mp4 file.

But Apple TV4k can't play it without stuttering and TV does not go into hdr mode.

Using "codec info" shows cpu going nuts at 294%

The file works when playing it on Shield TV.

attached info pics
it's too bad ATV 4k can't play it. the shield tv doesn't play in DV though, just hdr10 right? so far the only devices that play these mp4's in dolby vision are:
LG OLED TV's from usb/plex (7 and 7 series, not 6)
Vizio TV's (m and p series, not PQ) from usb only
UHD-BD player (oppo 203, sony x7/800)

can I see the mediainfo of your mkv?


sent you a PM

Yes the file plays fine on my LG OLED B7 via USB and Dolby Vision is activated.
Shield TV plays it fine and enables HDR10.

Golge77
Posts: 38
Joined: 20 Dec 2017, 13:56

Re: Dolby Vision

Post by Golge77 » 21 Mar 2019, 12:45

one more that reports 48i as framerate and the result file is 0 byte.
Attachments
48i.jpg

Grencola
Posts: 67
Joined: 25 Feb 2018, 03:02

Re: Dolby Vision

Post by Grencola » 21 Mar 2019, 13:28

Golge77 wrote:
21 Mar 2019, 12:45
one more that reports 48i as framerate and the result file is 0 byte.
so that's twice now you're not using a full mkv remux :p if the m2ts is 4x the size of the mkv, the compressed mkv will clearly not work. how are you making these mkv files? if it's a direct rip of the uhd-bd, it will be within a few hundred mb's of the m2ts.

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