EDIT: I think I figured it out, I needed to pass GOP settings for both files in ffmpeg first.
Hello! I'm looking to automate my workflow. Here is my wanted end result:
https://www.youtube.com/watch?v=-wEC6rWnckQ
Here is my current pipeline:
Files can be found here: https://drive.google.com/drive/folders/12Xj34svD5pV93L5BR-_BEcmaMOX9_FDz?usp=sharing
1. I record two videos (first.mp4 and second.mp4)
2. I open avidemux, (set it to Mpeg4 AVC (x264) with: GOP Size Minimum: 0, Maximum: 999, Maximum Consecutive B-frames: 0), save both files as first.mkv and second.mkv
3. I open second.mkv in avidemux and delete all I-frames manually, save this file as second_edit.mkv
4. I concat files in ffmpeg "ffmpeg -safe 0 -f concat -i ./files.txt -c copy output.mkv"
5. I compress files into mp4 "ffmpeg -i output.mkv -c:v libx264 -an -x264-params crf=30 compressed.mp4"
Now if I instead do "ffmpeg -i second.mp4 -c:v libx264 -bsf:v noise=drop='key' -acodec copy second_edit.mp4" and then concat them (https://drive.google.com/open?id=13b5faNFGJUPCUSSmWWTgXV1GTVPQz9gk&authuser=vkvanjavk%...m&usp=drive_fs) then video just freezes when second video is to come. Video on it's own is not runnable which makes me think it does something right at least.
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Last edited by vanjavk; 11th Dec 2021 at 03:39.
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It's a thing. Called datamoshing: http://datamoshing.com/2017/02/12/how-to-datamosh-videos-with-automation/
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Last edited by jagabo; 10th Dec 2021 at 16:57.
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