Deinterlaced VHS video - Colors 1 frame delay

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XXL_cz
Posts: 1
Joined: Thu Apr 25, 2019 3:48 pm

Deinterlaced VHS video - Colors 1 frame delay

Post by XXL_cz » Thu Apr 25, 2019 5:01 pm

Description of problem or question:

Hello, I have this issue that i found some time ago: When I'm trying to convert captured VHS video (.AVI YUV codec) to h264 codec with Yadiff bob deinterlace filter, the converted video has the colors off by 1 frame. (Visible at the screen shot below showing weapon equip animation) I'm not sure if i did something wrong with settings or if i found a bug.

https://i.imgur.com/VVg5pxw.jpg

I also have a question if it is possible to set the field order of deinterlace filter somehow instead of auto detection? Because i have a video sample that shows autodetection failing at bottom part of the video but is ok at the top part. And my captured videos are the other field order so if I turn autodetection off it is stuttering everywhere.

https://www.youtube.com/watch?v=Y2xSkiwOC6w


Steps to reproduce the problem (If Applicable):

Converting captured VHS YUV interlaced video to h264 with frames doubling deinterlace filter.


HandBrake version (e.g., 1.0.0):

1.2.2


Operating system and version (e.g., Ubuntu 16.04 LTS, macOS 10.13 High Sierra, Windows 10 Creators Update):

Windows 10 Pro 1809


HandBrake Activity Log ***required*** (see How-to get an activity log)

https://pastebin.com/2YXX0G3H

musicvid
Veteran User
Posts: 3179
Joined: Sat Jun 27, 2009 1:19 am

Re: Deinterlaced VHS video - Colors 1 frame delay

Post by musicvid » Tue Apr 30, 2019 6:37 pm

How was your video captured? That's where field order and field dominance issues are likely to show up. There are filters in VirtualDub and ffmpeg to clean up either issue before introducing the files to to Handbrake, which expects more-or-less compliant source.

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