The interlaced problem with jpeg files for media players / video picture frames goes back a while.
From memory Gimp 2.6 saved (is now exported) with a non progressive as default. An equal PITA for those who needed progressive. The majority won.
You have Imagemagick, easy enough to bulk convert the lot (be careful and practise with a some copies first)
some edited output as an example
rich@nova:/mnt/ramdisk$ identify -verbose default-gimp.jpg
Image: default-gimp.jpg
Format: JPEG (Joint Photographic Experts Group JFIF format)
Mime type: image/jpeg
.........
Interlace: JPEG
rich@nova:/mnt/ramdisk$ mogrify -interlace none *.jpg
rich@nova:/mnt/ramdisk$ identify -verbose default-gimp.jpg
Image: default-gimp.jpg
Format: JPEG (Joint Photographic Experts Group JFIF format)
Mime type: image/jpeg
..........
Interlace: None
From memory Gimp 2.6 saved (is now exported) with a non progressive as default. An equal PITA for those who needed progressive. The majority won.
You have Imagemagick, easy enough to bulk convert the lot (be careful and practise with a some copies first)
Code:
mogrify -interlace none *.jpg some edited output as an example
rich@nova:/mnt/ramdisk$ identify -verbose default-gimp.jpg
Image: default-gimp.jpg
Format: JPEG (Joint Photographic Experts Group JFIF format)
Mime type: image/jpeg
.........
Interlace: JPEG
rich@nova:/mnt/ramdisk$ mogrify -interlace none *.jpg
rich@nova:/mnt/ramdisk$ identify -verbose default-gimp.jpg
Image: default-gimp.jpg
Format: JPEG (Joint Photographic Experts Group JFIF format)
Mime type: image/jpeg
..........
Interlace: None