Question : MKVToolNix Attachment:Image

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1

Hey hi all, i’ve using this very useful tool for a while now to organize my movie collection, but i just wanted to ask something about the attachment tab. for some movies, i find more than one cover sometimes maybe up to 3 that i like. Obviously i can only have 1 cover, so i resize the one i like to 600 x 800 and load it up as Cover.png… i have no problem with this.

What i want to ask is, for sake of being neat, because i don’t want to store the extra alternate images elsewhere, and i don’t want to delete and search for them later again, could i just upload them together with the chosen Cover image and leave them there under the attachment tab? they are full size, not 600 x 800. i don’t need them to be displayed, just want to store them inside the mkv container.

And the last question is, if i ever extract these images again, would there be any loss in quality.

Thanks in advance.

2

Welcome!

You can store any number of images as attachments. Other applications usually only look for & use one with a name of cover.<ext>, with <ext> usually only being png & jpg, though some pieces of software might support other formats as well. Therefore you should only name one of the attachments cover.jpg.

As for quality loss: all content stored as “attachments” in Matroska is stored exactly as is with no modification at all. They’re bit-for-bit identical before attaching to & after extracting from a Matroska file.

1 Like
3

thanks for the heads up and prompt reply.

Great program, keep up the good work.