how can i get image more than one video in ffmpeg in a loop

Question

i am writing a simple application for creating thumbnails of multiple video somunteneously .but the problem is the image file namei.e one name so it only save the last video thumbnail in the folder .

enter code here

For Each fi In aryFi
proc.StartInfo.Arguments = " -i " + fi.FullName + " -vframes 1 " & (SPath & "\" & FolderName & "\") & "%d.jpg"
proc.Start()
Next

the file names are like 1.mov,2.mov,3.mov..but how can i change the Every imagename .i am doing it in vb.net.
any suggestion?

Answer 1

you can write hare the file name

proc.StartInfo.Arguments = " -i " + fi.FullName + " -vframes 1 " & (SPath & "\" & FolderName & "\") &fi.name &"%d.jpg"