WebP format support

magobone · May 9, 2018, 11:03am

awesom, thanks!

bytespiller · May 9, 2018, 3:09pm

Oooh a "hidden" feature, thanks!

MMXVII · July 1, 2018, 8:16am

This is great!

Though it seems that websites usually keep the .jpg extension in the filename, and then the plugin doesn't work on those in Opus. Unless I rename them manually by guessing that it must be webp.

Leo · July 1, 2018, 10:21am

The codec itself won't load those as it checks the extension of the file passed to it. We would have to rename the file to make it work.

(And websites that serve images as the wrong extension are stupid and really should stop doing that. :))

Rated_RR · November 12, 2018, 9:05am

It works beautifly now.
Thanks guys.

ericgandt · November 17, 2018, 1:04pm

I have directory opus 12.10 installed, when I try to open a webp (which has a video clip embedded) I get a warning it is not a picture. When I try to open a vtx it opens, but the mouse wheel or page-up/page-down does not switch to the next previous in the viewer, as such for thumbnails of movies I'm stuck continuing with jpg files.

Leo · November 17, 2018, 2:06pm

You'd normal use WebM for video, not WebP. Are you sure it is a WebP file?

I'm not familiar with VTX files (and there are at least three different file formats using that extension: https://fileinfo.com/extension/vtx ). Could you give more detail there? Is it even opening in the Opus viewer, rather than a third party viewer?

ericgandt · November 17, 2018, 4:14pm

Yes, it is created with Video Tumbnail Maker and it does open successfully using the builtin browser.

http://www.videonizer-soft.com/downloads.html
The current version is 12 (and a trial can be downloaded), if you want to give it a try.

The program supports webm and webp, I tried webm as well, and it is not opened by directory Opus at all, while webp at least is attempted, but fails.

Leo · November 17, 2018, 6:45pm

Can you upload a couple of the files (one of each type) that aren't displaying properly? (If you zip them up, the forum should accept them as attachments.)

BTW animated WebP isn't supported (at least currently), but I think we should at least show the first frame if the image is properly formed, although I'm not sure I've tested that as there weren't many animated WebP samples around when that code was added.

ericgandt · November 17, 2018, 8:30pm

Here is the zip file with a jpg, vtx, webp and webm version (webp and webm include a 5 second video clip)

example.zip (10.5 MB)

Leo · November 18, 2018, 8:11am

Thanks!

The VTX file is byte-for-byte identical to the JPG file. So that's just a program which is using JPG under a different file extension, not a separate format. Opus recognises it as JPG.

I'm able to move to the next/previous image OK when viewing the VTX. Is that working for you with other file types, or not working in general?
Looks like we don't support animated WebP at all at the moment. Something we might add later.

ericgandt · November 18, 2018, 12:17pm

Thanks for the update.

Fufnir · February 21, 2019, 10:31pm

Thanks a lot for the webp format support. Would it be possible in the future to have additional support for thumbnails of archives, like we have with Jpeg? I have a lot of digital comics in cbz (aka zip) and it would help.

Leo · February 21, 2019, 11:02pm

Done for 12.12.2.

Fufnir · February 21, 2019, 11:56pm

Wow, that was fast! Thanks!

Max1 · May 29, 2020, 5:05am

I've been looking for how to implement this "preview in DO" after installing Honeyview, but no luck so far.
Honeyview is working fine outside of DO, and appears in my Right Click/Context Menu (in DO as well as windows explorer)
But my .webP files are not previewed properly, just appearing as text/hex in the preview window. Honeyview is not appearing in my configuration page for {ActiveX + Preview + Office + Web Plugin Configuration}. I'd really appreciate it if someone could help me to learn how to set this up.

Thanks in advance for any kind help

Leo · May 29, 2020, 8:27am

Are you using Opus 10?

Opus 12 comes with a WebP plugin. You don't need any other software. Opus 10 doesn't have the plugin though.

If you want to use a third parry viewer in the preview pane, it needs to be specially written to allow that. Does that viewer work in File Explorer's viewer pane? If not, it's probably only designed to view images as a standalone program, not to be embedded into other programs' viewer panes.

Max1 · May 29, 2020, 9:29am

Thanks Leo. I was intending for my question to attach to Enternal's above comment about having successfully used HoneyView for previewing WebP in DO, and find out how he got that to work.

Yes, I'm using DO 10. Windows file explorer anyway previews WebP natively, so can't tell whether Honeyview is playing a role in this.

Sitka · June 8, 2021, 10:34am

With a new Win10 update, Dopus is no longer displaying .webp files. I get a pop-up saying "How do you want to open this file?". How can I restore Dopus' built-in viewer for these files?

Leo · June 8, 2021, 11:07am

If you want them to open in the Opus viewer, make sure the .webp extension is included in the Images file type group (Settings > File Types).

That should be enough, assuming Preferences - File Operations - Double-click on Files: Use internal picture viewer is turned on.
If you want them to open in another viewer, right-click one and use the Open With menu to assign a default program.