Welcome to Doom9's Forum, THE in-place to be for everyone interested in DVD conversion.

Before you start posting please read the forum rules. By posting to this forum you agree to abide by the rules.

 

Go Back   Doom9's Forum > Hardware & Software > Software players

Reply
 
Thread Tools Search this Thread Display Modes
Old 13th July 2019, 21:13   #1  |  Link
mi3gai4rui4
Registered User
 
Join Date: Dec 2017
Posts: 5
dropping frames and wrong frame rate on NASA Thermonuclear Art

Hi, I'm stumped on this and looking for help.

I downloaded the 21.9GB version of the "Thermonuclear Art" movie from here.
Both that web site and MediaInfo say the video is 59.94 FPS.

When I open it with MPC-HC (configured with LAV filters and MadVR) it does not play back smoothly. MadVR's on-screen display shows many dropped frames. It also shows the video frame rate is 25FPS, which is wrong.

When I open it with Windows' built in "Movies and TV" app it plays fine, so I guess there's some software issue somewhere in MPC-HC, LAV, or MadVr.

Things I've tried:
* Updated LAV video filter to latest
* Switched upscaling methods in madVR
* Switched from DXVA2 to D3D11 decoder in LAV Video. When I do this it doesn't play back at all (as in the "play" button in MPC-HC seems to have no effect, the video stays paused).
* Remuxed from .mov to .mkv

LAV Video settings:
Lav Video Decoder 0.74.1
DXVA2 (native)
Active Decoder: avcodec
Codecs for HW Decoding: everything except "H.264 MVC" is checked.

MadVR on-screen display:
Display 25.00005 Hz (8 bit, RGB, full)
Composition rate 25.000 Hz
clock deviation 0.000041%
Smooth motion off
D3D11 fullscreen windowed (10 bit)
h264, 8 bit, 4:2:0 -> NV12, 8 bit, 4:2:0
movie 25.0 fps (says source filter)
movie 3840x2160, 16:9
draw 0,0,3840,2160
touch window from inside
chroma > NGU Sharp (low)
...
average stats
rendering 10.69 ms
present 0.10ms
max stats
rendering 17.87ms
present 0.24ms

NVidia GeForce GTX 1080Ti.
Driver version: 430.53

MPC-HC 1.7.13

Thanks for any help
mi3gai4rui4 is offline   Reply With Quote
Old 13th July 2019, 22:36   #2  |  Link
Asmodian
Registered User
 
Join Date: Feb 2002
Location: San Jose, California
Posts: 3,530
They seem to have messed up the tagging on the stream.

When muxing to mkv with MKVToolNix GUI select the video stream and change the "Default duration/FPS" to 60000/1001p. I also checked "Fix bitstream timing info" but I am not sure that was required (probably not). I did get a file that played correctly after this remux while I also got a lot of dropped frames with the original file.

Edit: Actually I do need to check "Fix bitstream timing info" to change the frame rate detected by LAV/madVR.
Edit2: The 234 GB ProRes version is properly 60/1.001 FPS and 10 bit 4:2:2.
__________________
madVR options explained

Last edited by Asmodian; 14th July 2019 at 09:09.
Asmodian is offline   Reply With Quote
Old 15th July 2019, 05:18   #3  |  Link
v0lt
Registered User
 
Join Date: Dec 2008
Posts: 1,105
Quote:
Originally Posted by mi3gai4rui4 View Post
MadVR on-screen display:
Display 25.00005 Hz (8 bit, RGB, full)
FPS is limited to display. Change the mode to 59/60 Hz.
v0lt is offline   Reply With Quote
Old 15th July 2019, 12:22   #4  |  Link
Stereodude
Registered User
 
Join Date: Dec 2002
Location: Region 0
Posts: 1,080
Quote:
Originally Posted by Asmodian View Post
Edit2: The 234 GB ProRes version is properly 60/1.001 FPS and 10 bit 4:2:2.
Did you actually download the whole thing?
Stereodude is offline   Reply With Quote
Old 15th July 2019, 16:04   #5  |  Link
mi3gai4rui4
Registered User
 
Join Date: Dec 2017
Posts: 5
Quote:
Originally Posted by v0lt View Post
FPS is limited to display. Change the mode to 59/60 Hz.
I have auto display mode switching, so my display switched to 25 Hz because madVR thinks the video is 25 Hz.

Quote:
Originally Posted by Asmodian
When muxing to mkv with MKVToolNix GUI select the video stream and change the "Default duration/FPS" to 60000/1001p. I also checked "Fix bitstream timing info"
Thanks Asmodian, I will try that when I get home!
mi3gai4rui4 is offline   Reply With Quote
Old 16th July 2019, 03:32   #6  |  Link
mi3gai4rui4
Registered User
 
Join Date: Dec 2017
Posts: 5
Just confirming remuxing with those settings fixed the issue. Thanks again!
mi3gai4rui4 is offline   Reply With Quote
Old 16th July 2019, 10:40   #7  |  Link
Asmodian
Registered User
 
Join Date: Feb 2002
Location: San Jose, California
Posts: 3,530
Quote:
Originally Posted by mi3gai4rui4 View Post
Just confirming remuxing with those settings fixed the issue. Thanks again!
Glad it worked for you too. Thanks for bringing it to my attention, it is a very cool video.

Quote:
Originally Posted by Stereodude View Post
Did you actually download the whole thing?
I did, the 21.8 GB version intrigued me so I had to see what it looked like in its full glory. Now I wish they had a link to the 8K original they mentioned.

This is the hardest material I have ever tried to encode... a good test case.
__________________
madVR options explained
Asmodian is offline   Reply With Quote
Old 16th July 2019, 10:49   #8  |  Link
Klaus1189
Registered User
 
Join Date: Feb 2015
Location: Bavaria
Posts: 562
Quote:
Originally Posted by Stereodude View Post
Did you actually download the whole thing?
Me too
Klaus1189 is offline   Reply With Quote
Old 16th July 2019, 12:24   #9  |  Link
Stereodude
Registered User
 
Join Date: Dec 2002
Location: Region 0
Posts: 1,080
Quote:
Originally Posted by Asmodian View Post
I did, the 21.8 GB version intrigued me so I had to see what it looked like in its full glory. Now I wish they had a link to the 8K original they mentioned.

This is the hardest material I have ever tried to encode... a good test case.
Oh, I downloaded it too.

Hardest as in it doesn't encode well? Encodes slowly? Hard to get acceptable results from? Are you using x265?

I haven't attempted to pull it into avisynth+ yet. I have a few other encodes I'm trying to finish off first. I'm not even sure what plugin to use to load it.
Stereodude is offline   Reply With Quote
Reply

Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump


All times are GMT +1. The time now is 02:10.


Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2019, vBulletin Solutions Inc.