[FFmpeg-user] Jumpy Video with Overlay

[Mark]

Hey All,

I have jerky video output when using overlay, if I output using concat the
video is fine, could someone point me in the right direction please? The
input is 29.97 in Mp4 from a Sony a6000 if that makes a difference, I tried
it with 30 Mp4 from a GH5 and results are the same.

I have forced framerate both input and output with no change in result, so I
dont believe that is the issue.

/usr/local/bin/ffmpeg -y  -i 8.mp4 -i 7.mp4 -i 6.mp4 -i 5.mp4 -i 4.mp4 -i
8.mp4 -filter_complex color=black:1920x1080:d=42\" [v0];
		[0:v]setpts=PTS-STARTPTS[v1];
		[1:v]fade=in:st=0:d=2:alpha=1,setpts=PTS-STARTPTS+(5/TB)[v2];
		[2:v]fade=in:st=0:d=2:alpha=1,setpts=PTS-STARTPTS+(12/TB)[v3];
		[3:v]fade=in:st=0:d=2:alpha=1,setpts=PTS-STARTPTS+(19/TB)[v4];
		[4:v]fade=in:st=0:d=2:alpha=1,setpts=PTS-STARTPTS+(26/TB)[v5];
		[5:v]fade=in:st=0:d=2:alpha=1,setpts=PTS-STARTPTS+(33/TB)[v6];
		[v0][v1]overlay[v01];
		[v01][v2]overlay[v012];
		[v012][v3]overlay[v0123];
		[v0123][v4]overlay[v01234];
		[v01234][v5]overlay[v012345];
		[v012345][v6]overlay[v]\" -map \"[v]\" Output.mp4

Output.mp4 <http://www.ffmpeg-archive.org/file/t378487/Output.mp4>  

If someone could have a quick glance over this and let me know if there are
any glaring issues, I would be very grateful.

Thank you!

Mark



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