-
Notifications
You must be signed in to change notification settings - Fork 36
New issue
Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.
By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.
Already on GitHub? Sign in to your account
Frame rate change, dvhe removal #14
Comments
Did you follow instructions precisely and are you sure you are using
correct version of mp4box ?
If so please paste run log but i am sure it is either wrong version of
mp4box or borked source material
pon., 8 sie 2022, 17:48 użytkownik cwills75 ***@***.***>
napisał:
… Hi, I tried running this on Ubuntu 20.04, and it converted the .mkv ->
.mp4, but looking at both of them with Mediainfo, it removed the dvhe 8.07
information and changed the frame rate from 23.976 to 25, along with the
duration.
[image: mediainfo]
<https://user-images.githubusercontent.com/35116072/183458965-669c6853-377e-4286-90e5-3d900240e541.png>
—
Reply to this email directly, view it on GitHub
<#14>, or unsubscribe
<https://github.com/notifications/unsubscribe-auth/AARMKIBNYLBZ2OYGC4DIW4DVYET5TANCNFSM555TU6YA>
.
You are receiving this because you are subscribed to this thread.Message
ID: ***@***.***>
|
Log looks ok, can you show ffmpeg version ? The dvhe version removal is ok
it is a trick to make it work on some tvs, the frame rate change to me it
looks like the video stream is 25fps and the mkv had wrong metadata
pon., 8 sie 2022 o 23:25 cwills75 ***@***.***> napisał(a):
… It's a new install I just did to test this out. I think I followed
everything correctly. Where would a log file be? I re-ran it in a new
folder and here is the output, along with MP4Box -version info:
[image: log]
<https://user-images.githubusercontent.com/35116072/183517423-8e9ba213-41fb-4004-8d6a-e6247cd59faf.png>
—
Reply to this email directly, view it on GitHub
<#14 (comment)>,
or unsubscribe
<https://github.com/notifications/unsubscribe-auth/AARMKIHGAT6G4RF5H7W53Y3VYF3NDANCNFSM555TU6YA>
.
You are receiving this because you commented.Message ID:
***@***.***>
|
Sure, it's 4.4.2.0. Let me know if I should try anything else. Here's my normal process I use for a profile 7/8 file. I ran this yesterday, and it converted fine with 23.976 frame rate. I do a Handbrake step to compress the video down, but leave audio/subs as-is, keeping the tracks I want.
ffmpeg -i input.mkv -c:v copy -vbsf hevc_mp4toannexb -f hevc - | dovi_tool -m 2 extract-rpu - -o RPU.bin
dovi_tool inject-rpu -i cooked.hevc --rpu-in RPU.bin -o injected.hevc
Mediainfo comparison on OG file and one with above process: |
I guess the handbrake does something to stream making it recognizable as 25
fps. In my workflow i dont set anywhere fps setting what comes in gets
muxed except audio processing when needed we dont touch stream just mux it
with mp4box.
1. if possible share with me the video pre and after compression
2. you can try to manually set fps switch on mp4box in the script by adding
`:fps=23.976` to the .hevc stream add
wt., 9 sie 2022 o 15:05 cwills75 ***@***.***> napisał(a):
… Sure, it's 4.4.2.0. Let me know if I should try anything else. Here's my
normal process I use for a profile 7/8 file. I ran this yesterday, and it
converted fine with 23.976 frame rate. I do a Handbrake step to compress
the video down, but leave audio/subs as-is, keeping the tracks I want.
1. Use ffmpeg and dovi tool to extract the RPU and convert it to Dolby
Vision Profile 8.1.
ffmpeg -i input.mkv -c:v copy -vbsf hevc_mp4toannexb -f hevc - | dovi_tool
-m 2 extract-rpu - -o RPU.bin
1.
Encode original DV file in Handbrake, rename output file to cooked.mkv.
2.
Use gMKVExtractGUI to extract the hevc video track (rename to
cooked.hevc), audio tracks, subtitles and chapters from encoded.mkv.
3.
Use dovi tool to inject the RPU from step 2 into the encoded .hevc file
dovi_tool inject-rpu -i cooked.hevc --rpu-in RPU.bin -o injected.hevc
1. Use MKVToolnix multiplexer to mux the new MKV with the
injected.hevc, audio, sub and chapter files.
[image: ffmpeg]
<https://user-images.githubusercontent.com/35116072/183653814-1a12669c-5f86-4985-8d63-701dd5a35b3c.png>
Mediainfo comparison on OG file and one with above process:
[image: compare_1]
<https://user-images.githubusercontent.com/35116072/183653950-d9fc00d0-4a6d-4c6c-9f4d-c9e4eab720c8.png>
—
Reply to this email directly, view it on GitHub
<#14 (comment)>,
or unsubscribe
<https://github.com/notifications/unsubscribe-auth/AARMKICBAFK5N2JJNEJDM33VYJJSTANCNFSM555TU6YA>
.
You are receiving this because you commented.Message ID:
***@***.***>
|
I sent you an email with a link to the zipped files. pw: gacopl Let me know if you didn't get it. |
Had the same issue with a file. Specifying the FPS when muxing fixed the issue. See 7df1e98. |
Great that's exactly what i meant i suggest you make a switch for it as if i know life properly as many releases this might help there is same or equal number of releases that will be borked by this fps switch. And testing this is cumbersome. Happy to accept PR :) |
Thanks @SibrenVasse - had the same issue of it incorrectly guessing fps to 25. The issue was fixed by using your solution |
Hi, I tried running this on Ubuntu 20.04, and it converted the .mkv -> .mp4, but looking at both of them with Mediainfo, it removed the dvhe 8.07 information and changed the frame rate from 23.976 to 25, along with the duration.
The text was updated successfully, but these errors were encountered: