[FFmpeg-user] Error generating video with overlay

Chad Horton chorton at hotsalsainteractive.com
Thu Jul 23 21:56:29 CEST 2015

I am getting an error when I execute the following ffmpeg command that overlays one video (tornado-03.mov) over another (output_2015-07-23_07-34-10.mp4) to produce a final output file (output_2015-07-23_07-34-57.mp4).

I cannot figure out how to change my parameters to stop the error from happening.

./ffmpeg -y -i output_2015-07-23_07-34-10.mp4 -r 30 -itsoffset 00:00:00.000 -i tornado-03.mov -filter_complex "[1:v]scale=1280:720[ovrl] [0:v][ovrl]overlay=0:0[outv];[0:a][1:a]amix[outa]" -map [outv] -map [outa] -c:v libx264 -vcodec mpeg4 -r 30 -strict experimental -b:v 1500000 output_2015-07-23_07-34-57.mp4

The error:

[AVFilterGraph @ 0x7ff4a2e05740] No output pad can be associated to link label '0:v'.
Error configuring filters.

any help would be appreciated.

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