Re: Dolby Vision now possible through MP4 Mux.
Posted: Tue Dec 24, 2019 3:42 pm
is there a difference between DV-mp4 and original DV with the eye? has anyone tested yet?
MakeMKV support forum
https://forum.makemkv.com/forum/
I’ve tested Single layer and double layer from the same movie on the same LG C7 and 65” C9 and there is no difference, obvs both are mp4, mp4 is just a transport for the streams.
This is false. Do you need a specific hardware for decoding dts-hd or truehd ?? no, this can be done in software.DaMacFunkin wrote: ↑Wed Dec 25, 2019 6:18 amOne requires hardware (double layer) one can be done in pure processing power(single layer)
Dual layer stream support is not implemented. This example may be a good base for adding this feature, however.
I actually just found a "blemish" in my Hannibal mp4, in 2 scenes I've noticed blow out highlights: extremely artificial-looking blocks of pixels, and all on light reflection off of character faces in interior scenes, not talking about sci-fi high intensity laser blasts...
For dual layer DV we just need a video player capable of reading 2 hevc streams at the same time.daddy wrote: ↑Wed Dec 25, 2019 8:49 amIn profile 5 (single layer) there is no enhancement layer.
In profile 7 (dual layer) there is an enhancement layer that is 1/4 the size of the main UHD layer.
So, a profile 5 DV file have the DV already applied to the video. This mean that if you read this video on a hdr10 system, the color are false.
In profile 5 you lost the hdr10 compatibility.
This is false. Do you need a specific hardware for decoding dts-hd or truehd ?? no, this can be done in software.DaMacFunkin wrote: ↑Wed Dec 25, 2019 6:18 amOne requires hardware (double layer) one can be done in pure processing power(single layer)
For dual layer DV we just need a video player capable of reading 2 hevc streams at the same time.
There is already a project of plugin started by dolbylaboratories : https://github.com/DolbyLaboratories/do ... der_pluginDual layer stream support is not implemented. This example may be a good base for adding this feature, however.
Could just be your playback device, is the disk player and MP4 player the same device?superfans124 wrote: ↑Wed Dec 25, 2019 4:56 pmI actually just found a "blemish" in my Hannibal mp4, in 2 scenes I've noticed blow out highlights: extremely artificial-looking blocks of pixels, and all on light reflection off of character faces in interior scenes, not talking about sci-fi high intensity laser blasts...
I only "noticed" them because they jumped out at me, didn't "notice" them playing the disc (fairly certain they weren't there). it's gonna be quite a work out if I were to try to hunt these specific scenes down to capture on camera for demo.
but does it mean anything? IDK. of all the components in the entire ecosystem of ripping/converting/playing/displaying the file, somewhere a "glitch" happened? can't say, or this is just a one-off event? IDK.
justinadams wrote: ↑Sat Dec 28, 2019 10:42 amSo i just wanted to do quick write-up about an issue I was having over the past couple of days trying to get Alita: Battle Angel setup and working with yusesope's player.
I was having an issue with mp4box throwing "incomplete box" errors and not playing in yusesope's player(playback failed, error), as if the file was incomplete or corrupted.
come to find out dvdfab had somehow messed up the output. this was discovered by using Mediainfo on the dvdfab output, which showed me "istruncated: yes"
did some more testing with ripping the disc multiple times, in multiple ways, with the same results.
then i noticed the "choose other titles" option in dvdfab. and low and behold there was a whole lot of other streams, several of which where smaller than the full thing.
Went through previewing the titles and they were all(aside from the big main title) parts of the whole.
so as an experiment, I found all the parts to make the whole. and once outputted none were truncated (good sign).
individually tested each file to make sure they worked with yusesope's player, and they did.
then with a little research on mp4box and found the it can actually combine (referred to as concatenates) multiple videos
so with this command and i was able to get the file up and functioning
mp4box -add video1.mp4 -cat video2.mp4 -cat video3.mp4 -cat video4.mp4 output.mp4
Now if you do need to use this make sure you input the files in the correct order.
and so far this has seemed to work just fine.
Angryunibrow wrote: ↑Sat Dec 28, 2019 7:32 pmjustinadams wrote: ↑Sat Dec 28, 2019 10:42 amSo i just wanted to do quick write-up about an issue I was having over the past couple of days trying to get Alita: Battle Angel setup and working with yusesope's player.
I was having an issue with mp4box throwing "incomplete box" errors and not playing in yusesope's player(playback failed, error), as if the file was incomplete or corrupted.
come to find out dvdfab had somehow messed up the output. this was discovered by using Mediainfo on the dvdfab output, which showed me "istruncated: yes"
did some more testing with ripping the disc multiple times, in multiple ways, with the same results.
then i noticed the "choose other titles" option in dvdfab. and low and behold there was a whole lot of other streams, several of which where smaller than the full thing.
Went through previewing the titles and they were all(aside from the big main title) parts of the whole.
so as an experiment, I found all the parts to make the whole. and once outputted none were truncated (good sign).
individually tested each file to make sure they worked with yusesope's player, and they did.
then with a little research on mp4box and found the it can actually combine (referred to as concatenates) multiple videos
so with this command and i was able to get the file up and functioning
mp4box -add video1.mp4 -cat video2.mp4 -cat video3.mp4 -cat video4.mp4 output.mp4
Now if you do need to use this make sure you input the files in the correct order.
and so far this has seemed to work just fine.
I could kiss you!
I just tried this and worked perfectly, I didn't watch the entire movie but everything is in sync, I even made a DTS-HD MA 7.1 audio from the Atmos and that sync'd up just fine.
Does MXPlayer play DV mp4 single layer that are made with dvdfab+ffmpeg+mp4box ?
I used the fire tv stick 4k since I don't have a shield yet. it only worked with one title and not great, but all the LG DV demos work just fine.box4m wrote: ↑Sun Dec 29, 2019 11:52 amDoes MXPlayer play DV mp4 single layer that are made with dvdfab+ffmpeg+mp4box ?
I only get picture+audio with files that are 100% made from dvdfab, dvdfab+ffmpeg+mp4box i only get sound and a black picture, and i dont know how to check if its playing DTS in mxplayer?
If it works for you, what method are you using to get single layer mp4 DV with DTS?
All above is with 2019shield
omg seriously?! well shit. this means there is literally no media streaming device capable of playing back our UHD DV movie backups with HD-audio in 24fps The ONLY option to get it all would be to either use a UHD-BD player, a Chinese Oppo clone, or be lucky enough to own one of the VERY select few TV's that support e-arc/hdmi 2.1 where you'd play the full m2ts from either its usb player or (possibly) plex. brutal.DaMacFunkin wrote: ↑Tue Dec 31, 2019 9:55 amPlex on Shield doesn’t match frame rate for Dolby Vision either, according to devs it would have to be implemented by Nvidia.