[FFmpeg-user] FFMPEG text overlay Jitter

Moritz Barsnick barsnick at gmx.net
Wed Jun 13 01:43:41 EEST 2018

On Tue, Jun 12, 2018 at 12:11:42 -0400, Steven Anderson wrote:
> https://youtu.be/oPxdWW0-uZE
> It has shimmering of letters about 1 minute in and gets worse.

YouTube only shows me a 55 seconds long video, and I can't see any
incorrect effects at first glance.

> ffmpeg -y -i HeavySnowFall-5min.mp4 -vf
> "drawbox=y=ih-210:color=0xD1DCF1 at .95:width=iw:height=148:t=max,drawtext=fontcolor=0x030302:fontsize=70:-vf
> fps=fps=30000/1001
> :fontfile='/home/steven/.local/share/fonts/SansitaOne.ttf':textfile='Tickertxt.txt':reload=1:y=h-line_h-80:x=w-(mod(8*n\,w+tw)-tw/40)"
> -codec:v libx264 scrolling2.mp4

Apart from the confusing "-vf fps=fps=30000/1001", which is a
copy/paste error presumably, the rest should be okay. It might be
interesting to see the complete, uncut console output of your command.


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