Quoting Paul B Mahol <[email protected]>:

On 1/16/19, Mark Leman <[email protected]> wrote:
Hi Folks,
I am trying to use ffplay to crop and scale the 720p 16:9 output from
vmix to provide a second 800x600 4:3 output on a video wall.

The command
ffplay -f dshow -i video="vMix Video" -an -x 800 -y 600 -noborder -vf
"crop=960:720:160:0, scale=800:600"
does exactly what I want, but I can't move the 'noborder' window to my
second monitor which is the video wall.

Is there a way to specify which screen the window appears on? (OS is
Windows 10)

I have tried without the 'noboarder' option, which allows me to drag the
window over to the second display an make it full screen. But as soon as
I click on any other program on the first monitor ffplay drops from full
screen.

I have also tried solving the problem with VLC but it has significant
buffering lag.


Try also with mpv.

Thanks for that idea, I had a quick look at mpv with the following:

mpv.exe "test_vid_1280x720.mp4" --osc=no --screen=2 --no-border --geometry=800x600 --panscan=1

However I don't know how to get mpv to take the directshow video input I need?

Regards,
Mark Leman



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