[FFmpeg-user] Using FFmpeg for horizontal video stitching for 3D video

[Moritz Barsnick]

Hi Kevin,

On Mon, Jun 08, 2015 at 17:37:46 -0400, Kevin Bergemann wrote:

> slightly edited for use on a Mac instead of Linux:

Tell me, what would be different in ffmpeg's command line on Mac[OSX]
vs. Linux? Just wondering.

> ./ffmpeg -i left.mp4 -strict -2 -vf "[in] pad=2*iw:ih [left];
> movie=right.mp4 [right];[left][right] overlay=main_w/2:0 [out]” output.mp4;
[...]
> [NULL @ 0x7ffe04854a00] Unable to find a suitable output format for
> 'pad=2*iw:ih'
> pad=2*iw:ih: Invalid argument
> -bash: [right]: command not found
> -bash: [left][right]: command not found

I'm very certain that - unlike you quoted above - you forget the
quotation marks '"' around the filter specification.

HTH,
Moritz