Dolby Vision now possible through MP4 Mux.

[staknhalo]

It is caused by the Dolby Vision processing.
By default you get `--vo=gpu` which doesn't support it.
When enabling `--vo=gpu-next`, Dolby Vision processing is enabled.

You can also bypass the processing using `--vf=format:dolbyvision=no`.

I haven't looked at what the file actually contains for metadata, yet.
So far it just looks like intentional behaviour if the metadata is just messed up.

So it's a case of

because Dolby Vision processing is enabled, it will show RPU misaligned artifacts, and just simply isn't coded to show any other proper RPU effects, but could potentially, because it shows the artifacts, just doesn't have the code to do so currently

?

[quietvoid]

So it's a case of

because Dolby Vision processing is enabled, it will show RPU misaligned artifacts, and just simply isn't coded to show any other proper RPU effects, but could potentially, because it shows the artifacts, just doesn't have the code to do so currently

?

Probably.

[sw5163]

You see flashing color artifacts as a result of RPU being improperly misaligned, but processed (or attempted, it's affecting it in some way)

I think those are caused by processing "reshaping data" in RPU (polynomial, and MMR mapping).

From my understanding, P5 RPU has "reshaping data" for ICtCp->YCbCr.
P8.1 RPU doesn't need "reshaping data" for HDR10->HDR10.
P8.4 RPU has "reshaping data" for HLG->PQ.
P7 RPU has "reshaping data" for processing the weird colour in EL (I'm not sure what it really does)

MPV can adapt those polynomial, and MMR mapping for ICtCp->YCbCr, HLG->HDR10 etc.
However, it can't process EL and merge that with BL like proper dolby decoding engine.
Resulting in wrongly processing those "reshaping data" on BL.

I think RPU consists ("reshaping data" for colour space transformation) + (Levels for brightness/contrast trimming)
So you can see some artifacts when scene/brightness change, but it's wrong.
And MPV just abandons all the brightness/contrast trimming.

It’s also probably the reason why it’s so important to “remove_mapping” when converting FEL->MEL

I'm not sure about this, please point out my mistakes, many thanks.

[staknhalo]

You see flashing color artifacts as a result of RPU being improperly misaligned, but processed (or attempted, it's affecting it in some way)

I think those are caused by processing "reshaping data" in RPU (polynomial, and MMR mapping).

From my understanding, P5 RPU has "reshaping data" for ICtCp->YCbCr.
P8.1 RPU doesn't need "reshaping data" for HDR10->HDR10.
P8.4 RPU has "reshaping data" for HLG->PQ.
P7 RPU has "reshaping data" for processing the weird colour in EL (I'm not sure what it really does)

MPV can adapt those polynomial, and MMR mapping for ICtCp->YCbCr, HLG->HDR10 etc.
However, it can't process EL and merge that with BL like proper dolby decoding engine.
Resulting in wrongly processing those "reshaping data" on BL.

So you can see some change when scene/brightness change, but it's wrong.

I'm not 100% sure about this, will need anyone knowing how this exactly work to confirm, many thanks.

Yes that makes sense to me - and would explain why it happens on p5 and p7 files, and not p8 - as a result of it saying "I don't know what any of this means" when looking at the non-shaping RPU effects metadata - while DV processing is enabled - but the artifacts sneak through from the color shaping that it is reading from the RPU - because you don't need code for artifacts

The p7 EL shaping from my understanding is to make it look 12bit color from a 10bit file, or the other way around, something like that

[xxyz1]

Hi guys,

my posts are getting online hours later, so you can't recognized it.... (Because of I'm a new user?)

I tried some with RESET_9999 script, but it didn't work anything.

File: Dolby Vision, Version 1.0, dvhe.08.06, BL+RPU, HDR10 compatible / SMPTE ST 2086, HDR10 compatible

7 > 1 > 1 > drag hevc ENTER > drag eac3 ENTER > no 2nd eac3 ENTER > no subs ENTER

CMD closed nothing happend.


5 > drag MKV ENTER > no 2nd mkv ENTER



What exactly I've to do?

For remind: Try to look DV on OLED LG 55B6D but with mkv files it can't play.

[RESET_9999]

Hi guys,

my posts are getting online hours later, so you can't recognized it.... (Because of I'm a new user?)

I tried some with RESET_9999 script, but it didn't work anything.

File: Dolby Vision, Version 1.0, dvhe.08.06, BL+RPU, HDR10 compatible / SMPTE ST 2086, HDR10 compatible

7 > 1 > 1 > drag hevc ENTER > drag eac3 ENTER > no 2nd eac3 ENTER > no subs ENTER

CMD closed nothing happend.


5 > drag MKV ENTER > no 2nd mkv ENTER



What exactly I've to do?

For remind: Try to look DV on OLED LG 55B6D but with mkv files it can't play.

that picture looks like a known problem with some SRT tracks and tsmuxer
The easiest way is to remux your mkv file in tsmuxer directly. no need to use my script if you just want to mux 1 file.
https://github.com/justdan96/tsMuxer/releases

As for 7-1-1, I'll check it out.

[sw5163]

May I ask where did you guys get those P8.1 files? On private tracker?
I have never seen DV other than P7 and P5 on rarbg.

Also I was told ffmpeg/mp4box do not support EAC3/atmos, is that true?
Is there a way to get EAC3/atmos with truly playable atmos in mp4 container?
Many thanks!

[RESET_9999]

Most of the P8 files I have were converted/synced from P5 web-dl. Most of them are from private trackers indeed.

mp4box has no problem with DD+ Atmos. it can even mux TrueHD and DTS-HD.
There seems to be a way to convert TrueHD to DD+ atmos as well but I don't know how yet. So far I'm only able to extract the atmos metadata to wav from DD+ files.

Code: Select all

Audio
ID                                       : 1
Format                                   : E-AC-3 JOC
Format/Info                              : Enhanced AC-3 with Joint Object Coding
Commercial name                          : Dolby Digital Plus with Dolby Atmos
Format profile                           : Blu-ray Disc
Codec ID                                 : A_EAC3
Duration                                 : 4 h 2 min
Bit rate mode                            : Constant
Bit rate                                 : 1 512 kb/s
Channel(s)                               : 8 channels
Channel layout                           : L R C LFE Ls Rs Tfl Tfr
Sampling rate                            : 48.0 kHz
Frame rate                               : 31.250 FPS (1536 SPF)
Compression mode                         : Lossy
Stream size                              : 2.56 GiB (100%)
Language                                 : English
Service kind                             : Complete Main
Default                                  : Yes
Forced                                   : No
Complexity index                         : 16
Number of dynamic objects                : 15
Bed channel count                        : 1 channel
Bed channel configuration                : LFE

[staknhalo]

May I ask where did you guys get those P8.1 files? On private tracker?
I have never seen DV other than P7 and P5 on rarbg.

I make my own p8 like Reset from p5+hdr10 because otherwise I need to keep separate p5+hdr10 files for each title (for backwards compatibility on devices that can't play p5 or with a player that can't color shift to be backwards compatible) - unlike Reset if I gotta start trimming stuff I just don't bother, I already have to do so much so for mismatches/not easy to do immediately files, I'll just keep p5+hdr10 (which is why I initially had some p5 I wanted to make work with Apple devices)

[sw5163]

Thank you guys for explaining!

When I encapsulate EAC3/atmos to mp4 by mp4box, the "Complexity ID" change to "Complexity index: Not present / 15"
I was told it would then not be recognized by Apple. (Not atmos but still EAC3 5.1)

There seems to be a way to convert TrueHD to DD+ atmos as well but I don't know how yet. So far I'm only able to extract the atmos metadata to wav from DD+ files.

Does that mean you can get base 5.1ac3 + several sky channels wav?

[RESET_9999]

When I encapsulate EAC3/atmos to mp4 by mp4box, the "Complexity ID" change to "Complexity index: Not present / 15"
I was told it would then not be recognized by Apple. (Not atmos but still EAC3 5.1)

mux eac3 / THD / DTSHD to mp4 with ffmpeg first than import with mp4box.

Does that mean you can get base 5.1ac3 + several sky channels wav?

it creates wav file like this and it can be encoded to a new eac3 atmos file in DEE. But i dont see any point doing that. Maybe downsizing 768kbps to 448kbps?


https://github.com/VoidXH/Cavern/

Code: Select all

General
Complete name                            : D:\test.wav
Format                                   : Wave
Format profile                           : RF64
File size                                : 927 MiB
Duration                                 : 7 min 1 s
Overall bit rate mode                    : Constant
Overall bit rate                         : 18.4 Mb/s

Audio
Format                                   : PCM
Format settings                          : Little / Signed
Codec ID                                 : 1
Duration                                 : 7 min 1 s
Bit rate mode                            : Constant
Bit rate                                 : 18.4 Mb/s
Channel(s)                               : 16 channels
Sampling rate                            : 48.0 kHz
Bit depth                                : 24 bits
Stream size                              : 927 MiB (100%)
Metadata format                          : ADM, Version 0
Metadata muxing mode                     : axml
Number of programmes                     : 1
Number of contents                       : 2
Number of objects                        : 16
Number of pack formats                   : 16
Number of channel formats                : 16
Number of track UIDs                     : 16
Number of track formats                  : 16
Number of stream formats                 : 16
Programme #1                             : Cavern_Export
 ID                                      : APR_1001
 Title                                   : Cavern_Export
 Start                                   : 00:00:00.00000
 End                                     : 00:07:01.92100
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Content #1                               : Channels
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 Title                                   : Channels
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 Object #s                               : 1
Content #2                               : Objects
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 Title                                   : Objects
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 Object #s                               : 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 10 + 11 + 12 + 13 + 14 + 15 + 16
Object #1                                : RoomCentricCenter
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 Title                                   : RoomCentricCenter
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Object #2                                : Audio Object 1
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Object #14                               : Audio Object 13
 ID                                      : AO_100e
 Title                                   : Audio Object 13
 Duration                                : 00:07:01.92100
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 Title                                   : Audio Object 14
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StreamFormat #6                          : PCM_Cavern_Obj_5
 ID                                      : AS_00031005
 Title                                   : PCM_Cavern_Obj_5
 Format                                  : PCM
 Channel format #s                       : 6
 Pack format #s                          : 6
 Track format #s                         : 6
StreamFormat #7                          : PCM_Cavern_Obj_6
 ID                                      : AS_00031006
 Title                                   : PCM_Cavern_Obj_6
 Format                                  : PCM
 Channel format #s                       : 7
 Pack format #s                          : 7
 Track format #s                         : 7
StreamFormat #8                          : PCM_Cavern_Obj_7
 ID                                      : AS_00031007
 Title                                   : PCM_Cavern_Obj_7
 Format                                  : PCM
 Channel format #s                       : 8
 Pack format #s                          : 8
 Track format #s                         : 8
StreamFormat #9                          : PCM_Cavern_Obj_8
 ID                                      : AS_00031008
 Title                                   : PCM_Cavern_Obj_8
 Format                                  : PCM
 Channel format #s                       : 9
 Pack format #s                          : 9
 Track format #s                         : 9
StreamFormat #10                         : PCM_Cavern_Obj_9
 ID                                      : AS_00031009
 Title                                   : PCM_Cavern_Obj_9
 Format                                  : PCM
 Channel format #s                       : 10
 Pack format #s                          : 10
 Track format #s                         : 10
StreamFormat #11                         : PCM_Cavern_Obj_10
 ID                                      : AS_0003100a
 Title                                   : PCM_Cavern_Obj_10
 Format                                  : PCM
 Channel format #s                       : 11
 Pack format #s                          : 11
 Track format #s                         : 11
StreamFormat #12                         : PCM_Cavern_Obj_11
 ID                                      : AS_0003100b
 Title                                   : PCM_Cavern_Obj_11
 Format                                  : PCM
 Channel format #s                       : 12
 Pack format #s                          : 12
 Track format #s                         : 12
StreamFormat #13                         : PCM_Cavern_Obj_12
 ID                                      : AS_0003100c
 Title                                   : PCM_Cavern_Obj_12
 Format                                  : PCM
 Channel format #s                       : 13
 Pack format #s                          : 13
 Track format #s                         : 13
StreamFormat #14                         : PCM_Cavern_Obj_13
 ID                                      : AS_0003100d
 Title                                   : PCM_Cavern_Obj_13
 Format                                  : PCM
 Channel format #s                       : 14
 Pack format #s                          : 14
 Track format #s                         : 14
StreamFormat #15                         : PCM_Cavern_Obj_14
 ID                                      : AS_0003100e
 Title                                   : PCM_Cavern_Obj_14
 Format                                  : PCM
 Channel format #s                       : 15
 Pack format #s                          : 15
 Track format #s                         : 15
StreamFormat #16                         : PCM_Cavern_Obj_15
 ID                                      : AS_0003100f
 Title                                   : PCM_Cavern_Obj_15
 Format                                  : PCM
 Channel format #s                       : 16
 Pack format #s                          : 16
 Track format #s                         : 16
Transport #1                             : Yes
 Track index #1                          : ATU_00001001
  Track UID #s                           : 1
 Track index #2                          : ATU_00001002
  Track UID #s                           : 2
 Track index #3                          : ATU_00001003
  Track UID #s                           : 3
 Track index #4                          : ATU_00001004
  Track UID #s                           : 4
 Track index #5                          : ATU_00001005
  Track UID #s                           : 5
 Track index #6                          : ATU_00001006
  Track UID #s                           : 6
 Track index #7                          : ATU_00001007
  Track UID #s                           : 7
 Track index #8                          : ATU_00001008
  Track UID #s                           : 8
 Track index #9                          : ATU_00001009
  Track UID #s                           : 9
 Track index #10                         : ATU_0000100a
  Track UID #s                           : 10
 Track index #11                         : ATU_0000100b
  Track UID #s                           : 11
 Track index #12                         : ATU_0000100c
  Track UID #s                           : 12
 Track index #13                         : ATU_0000100d
  Track UID #s                           : 13
 Track index #14                         : ATU_0000100e
  Track UID #s                           : 14
 Track index #15                         : ATU_0000100f
  Track UID #s                           : 15
 Track index #16                         : ATU_00001010
  Track UID #s                           : 16

[sw5163]

I see it can't fully process TrueHD/atmos yet.
My bad, I just keep thinking get 16 channel PCM from TrueHD/atmos.

mux eac3 / THD / DTSHD to mp4 with ffmpeg first than import with mp4box.

ffmpeg copy eac3/atmos to mp4 breaks "complexity index" in the first place.
mp4box -add eac3/atmos directly from atmos.mp4 also breaks "complexity index".

I have managed to fix/restore "complexity index" by

Code: Select all

mp4muxer -i atmos.ec3 -o atmos.mp4
mp4box -add dv.hevc dv.mp4
mp4mux(bento4) --track dv.mp4 --track atmos.mp4 merged.mp4

It has correct media info.
But I have no idea would it trigger atmos successfully.
The guy sending message to me on PLEX forum is just disappeared.

Update: He said it works.

[RESET_9999]

I see it can't fully process TrueHD/atmos yet.
My bad, I just keep thinking get 16 channel PCM from TrueHD/atmos.

mux eac3 / THD / DTSHD to mp4 with ffmpeg first than import with mp4box.

ffmpeg copy eac3/atmos to mp4 breaks "complexity index" in the first place.
mp4box -add eac3/atmos directly from atmos.mp4 also breaks "complexity index".

I have managed to fix/restore "complexity index" by

Code: Select all

mp4muxer -i atmos.ec3 -o atmos.mp4
mp4box -add dv.hevc dv.mp4
mp4mux(bento4) --track dv.mp4 --track atmos.mp4 merged.mp4

It has correct media info.
But I have no idea would it trigger atmos successfully.
The guy sending message to me on PLEX forum is just disappeared.

Update: He said it works.

right, I only use FFmpeg for THD and DTS to mp4 then mp4box.
for ec3 its mp4muxer + mp4box

[sw5163]

right, I only use FFmpeg for THD and DTS to mp4 then mp4box.
for ec3 its mp4muxer + mp4box

Yes I have tried mp4muxer + mp4box,
even directly extract from atmos.mp4 will break the "Complexity index".

For example in atmos.mp4 produced by mp4muxer:
Complexity index : 16

mp4box -add atmos.mp4 -new parse_by_mp4box.mp4
Complexity index : Not present / 16

I was wondering what other devices (TV's internal player, Bluray player) react to "Complexity index : Not present / 16".
If it's just ATV can't play it as atmos, then Apple is ridiculous.

[RESET_9999]

mp4box -add atmos.mp4 -new parse_by_mp4box.mp4
Complexity index : Not present / 16

I was wondering what other devices (TV's internal player, Bluray player) react to "Complexity index : Not present / 16".
If it's just ATV can't play it as atmos, then Apple is ridiculous.

it works on my TV, i already tried and i never actually noticed that the complexity index was gone after muxing with mp4box. lol

if you look at all the DV mp4 with atmos on rarbg they also are the same.