[FFmpeg-user] Two video streams generated with map, filter_complex, scale

[Gyan Doshi]

On 2025-06-21 04:53 am, Hans Carlson via ffmpeg-user wrote:
> Was there a change in behavior with regards to the interaction between 
> map, filter_complex and scale at some point between 4.4.2 and 6.1.2?
>
> To be more precise...  The following command using 6.1.2 generates 
> output with 2 video streams; one for the original (1920x1080) and one 
> for the scaled (1280x720):

Read https://ffmpeg.org/ffmpeg.html#Stream-selection-1 especially 
https://ffmpeg.org/ffmpeg.html#Complex-filtergraphs-1

Regards,
Gyan