[FFmpeg-user] 3D depth in output

[Paul B Mahol]

On 8/31/18, xbmcgotham2014 <xbmcgotham2014 at gmail.com> wrote:
> Hi,
>
> I was successful in converting a 3D SBS to 3D TAB using the following
> string:
>
> ffmpeg -i input.mp4 -vf stereo3d=sbsl:abl,scale=1920x1080 -aspect 16:9
> -c:a copy output.mp4
>
>
> However when playing the output file, I noticed that the depth of the 3D
> in the input file is better/more than the output file.
>
> Why is the depth different? Anything I need to add to the command line
> to keep the original depth?

In this case, do not use scale filter.