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The time now is Mon 11 Dec 2017, 21:08
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 Forum index » House Training » HOWTO ( Solutions )
How to encode and decode webp images with existing tools
Moderators: Flash, Ian, JohnMurga
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musher0


Joined: 04 Jan 2009
Posts: 11256
Location: Gatineau (Qc), Canada

PostPosted: Tue 05 Dec 2017, 13:16    Post subject:  How to encode and decode webp images with existing tools
Subject description: provided by the Google developers.
 

Hello.

Some feel it was a mistake on my part to post the result of my research:
http://murga-linux.com/puppy/viewtopic.php?p=976175&sort=lastpost#976175
underneath the question asked on this thread:
http://murga-linux.com/puppy/viewtopic.php?p=976170&sort=lastpost#976170

And those people are right: the tools I uncovered are not for the Puppy coterie,
they are for all Puppy users.

In short, you can encode and decode (aka convert) webp images with this pet
package: libwebp-0.6.1-linux-x86-32.pet, available on zippyshare for the next
month: http://www43.zippyshare.com/v/jAcl4HY9/file.html (850 kB)

Please help yourselves if you need this package. I have tested it successfully
on xenialPup. I believe it is "distro-agnostic", but confirmation would be nice.

That pet is a puppyfication of the Google tools found here:
https://developers.google.com/speed/webp/download
for doing so.

You'll find other URLs leading to other solutions on the Puppy forum thread above,
if you are not satisfied with the tools made available by the Google devs.

BFN.

_________________
musher0
~~~~~~~~~~
"Logical entities must not be multiplied beyond necessity." | |
« Il ne faut pas multiplier les entités logiques sans nécessité. » (Ockham)
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musher0


Joined: 04 Jan 2009
Posts: 11256
Location: Gatineau (Qc), Canada

PostPosted: Tue 05 Dec 2017, 22:34    Post subject:  

Hello all.

I will simply add that I have made a fresh compilation of the netpbm "advandced"
tools, available through here:
http://murga-linux.com/puppy/viewtopic.php?t=112265

I mention it because using both Google's dwebp utility and netpbm's pnmtojpeg utility
it's a cinch to convert a webp image to the jpg format.
Code:
dwebp 2.webp -ppm -o 2.ppm
pnmtojpeg -quality=99 2.ppm > 2.jpg

The result is attached at the end of the above-mentioned post.

BFN.

_________________
musher0
~~~~~~~~~~
"Logical entities must not be multiplied beyond necessity." | |
« Il ne faut pas multiplier les entités logiques sans nécessité. » (Ockham)
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slavvo67

Joined: 12 Oct 2012
Posts: 1434
Location: The other Mr. 305

PostPosted: Fri 08 Dec 2017, 19:34    Post subject:  

Hi Musher0:

How have you been? I'm not sure but couldn't something like this be done with ffmpeg?



Slavvo67
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musher0


Joined: 04 Jan 2009
Posts: 11256
Location: Gatineau (Qc), Canada

PostPosted: Fri 08 Dec 2017, 20:23    Post subject:  

Hi slavvo67.

I'm fine! And you? Smile

In answer to your question: It can, when the Pup has the needed libraries.

I'm simply exploring further a route I already know, I mean the netpbm suite.

BFN.

_________________
musher0
~~~~~~~~~~
"Logical entities must not be multiplied beyond necessity." | |
« Il ne faut pas multiplier les entités logiques sans nécessité. » (Ockham)
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