I'm trying to arrange three input videos into a single output video using ffmpeg's xstack. I currently have the operations working with a vstack followed by an hstack, but would like to combine them into an xstack for performance.
I've tried copying the syntax from multiple locations such as:
Vertically or horizontally stack (mosaic) several videos using ffmpeg?
My command is as follows:
C:\ffmpeg\bin\ffmpeg.exe -i states_full.mp4 -i title.mp4 -i graphs.mp4" -filter_complex "[0:v] setpts=PTS-STARTPTS, scale=qvga [a0]; [1:v] setpts=PTS-STARTPTS, scale=qvga [a1]; [2:v] setpts=PTS-STARTPTS, scale=qvga [a2]; [a0][a1][a2]xstack=inputs=3:layout=0_0|w0_0|w0_h0[out] " -map "[out]" -c:v libx264 -t '30' -f matroska output.mp4
The command always errors out at the same spot, with the same error message:
'w0_0' is not recognized as an internal or external command, operable program or batch file.
Some odd behavior is that even when I change the layout section to:
layout=w0_0|0_0|w0_h0
The error message is still on the middle '0_0' meaning it may be an error in formatting.
This issue is very strange, as the vstack and hstack still work, only the xstack fails.
