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WebP Discussion
ΠΡΠ΅ΠΏΠΈΡΠΊΠ΅
ΠΡΠ½ΠΎΠ²Π½ΠΈ ΠΏΠΎΠ΄Π°ΡΠΈ
ΠΠΎΡΠ°ΡΠΈ ΠΏΠΎΠ²ΡΠ°ΡΠ½Π΅ ΠΈΠ½ΡΠΎΡΠΌΠ°ΡΠΈΡΠ΅
ΠΠΎΠΌΠΎΡ
WebP Discussion
1β30 ΠΎΠ΄ 1594
Welcome to webp-discuss
This is the place to ask everything about WebP, the image compression format.
Main page:
https://developers.google.com/
speed/webp/
Bug tracker:
https://issues.webmproject.
org/
Discussions are rather technical most of the time, but not always!
ΠΠ·Π½Π°ΡΠΈ ΡΠ²Π΅ ΠΊΠ°ΠΎ ΠΏΡΠΎΡΠΈΡΠ°Π½ΠΎ
ΠΡΠΈΡΠ°Π²ΠΈ Π³ΡΡΠΏΡ
ΠΠΈΡΠ΅ ΠΈΠ·Π°Π±ΡΠ°Π½ Π½ΠΈΡΠ΅Π΄Π°Π½ ΡΠ΅Π΄
ΠΠ»Π΅ΠΊΡΠ°Π½Π΄Ρ Π ΠΎΡΡΠΏΠΊΠΈΠ½
,Β
James Zern
2
22. ΠΎΠΊΡ
libwebp in VB 6.0 programs.
Hi, On Wed, Oct 22, 2025 at 1:49 AM ΠΠ»Π΅ΠΊΡΠ°Π½Π΄Ρ Π ΠΎΡΡΠΏΠΊΠΈΠ½ <arosch...@gmail.com> wrote: Hello!
Π½Π΅ΠΏΡΠΎΡΠΈΡΠ°Π½ΠΎ,
libwebp in VB 6.0 programs.
Hi, On Wed, Oct 22, 2025 at 1:49 AM ΠΠ»Π΅ΠΊΡΠ°Π½Π΄Ρ Π ΠΎΡΡΠΏΠΊΠΈΠ½ <arosch...@gmail.com> wrote: Hello!
22. ΠΎΠΊΡ
C. Neidahl
,Β
Vincent Rabaud
2
29. ΡΠ΅ΠΏ
libwebp uses wrong WORDS_BIGENDIAN value when configuring for big-endian via CMake
Thank you very much for the patch, we indeed never tested that scenario. https://chromium-review.
Π½Π΅ΠΏΡΠΎΡΠΈΡΠ°Π½ΠΎ,
libwebp uses wrong WORDS_BIGENDIAN value when configuring for big-endian via CMake
Thank you very much for the patch, we indeed never tested that scenario. https://chromium-review.
29. ΡΠ΅ΠΏ
ι»δΈεΉ³
,Β
James Zern
2
4. ΡΠ΅ΠΏ
alpha_enc.c ApplyFiltersAndEncode crash
Hi, On Thu, Sep 4, 2025 at 5:07 AM ι»δΈεΉ³ <aiya1...@163.com> wrote: In Android ASOP, I Have a
Π½Π΅ΠΏΡΠΎΡΠΈΡΠ°Π½ΠΎ,
alpha_enc.c ApplyFiltersAndEncode crash
Hi, On Thu, Sep 4, 2025 at 5:07 AM ι»δΈεΉ³ <aiya1...@163.com> wrote: In Android ASOP, I Have a
4. ΡΠ΅ΠΏ
James Zern
,Β β¦Β
Vincent Rabaud
8
9. ΡΡΠ»
[ANN] libwebp 1.6.0 release candidate
On Tuesday, July 1, 2025 at 5:27:53 PM UTC-7 James Zern wrote: Hi, Source and binary archives are
Π½Π΅ΠΏΡΠΎΡΠΈΡΠ°Π½ΠΎ,
[ANN] libwebp 1.6.0 release candidate
On Tuesday, July 1, 2025 at 5:27:53 PM UTC-7 James Zern wrote: Hi, Source and binary archives are
9. ΡΡΠ»
sincos2854
2
10. Π°ΠΏΡ
cwp2 does not accept a PNG file (WebP 2, libwebp2)
Please disregard this thread. There is no problem with the commit. It seems there was something wrong
Π½Π΅ΠΏΡΠΎΡΠΈΡΠ°Π½ΠΎ,
cwp2 does not accept a PNG file (WebP 2, libwebp2)
Please disregard this thread. There is no problem with the commit. It seems there was something wrong
10. Π°ΠΏΡ
sincos2854
2
8. Π°ΠΏΡ
The build of libwebp2 (WebP 2) fails with MSVC error C7555
I confirmed that the issue has been resolved. Thank you very much. 2025εΉ΄4ζ8ζ₯η«ζζ₯ 9:37:53 UTC+9
Π½Π΅ΠΏΡΠΎΡΠΈΡΠ°Π½ΠΎ,
The build of libwebp2 (WebP 2) fails with MSVC error C7555
I confirmed that the issue has been resolved. Thank you very much. 2025εΉ΄4ζ8ζ₯η«ζζ₯ 9:37:53 UTC+9
8. Π°ΠΏΡ
adit...@gmail.com
,Β β¦Β
CNCVelMart
7
8. Π°ΠΏΡ
The Windows Explorer WEBP codec
Thanks, view webp file windows7, filebrowser, image(midle to extra large) mode. Previously, I could
Π½Π΅ΠΏΡΠΎΡΠΈΡΠ°Π½ΠΎ,
The Windows Explorer WEBP codec
Thanks, view webp file windows7, filebrowser, image(midle to extra large) mode. Previously, I could
8. Π°ΠΏΡ
Dima
,Β
James Zern
3
13. ΠΌΠ°Ρ
Can webp animations be streamed?
On Wed, Mar 12, 2025 at 3:38 PM James Zern <jz...@google.com> wrote: Hi, On Tue, Mar 4, 2025 at
Π½Π΅ΠΏΡΠΎΡΠΈΡΠ°Π½ΠΎ,
Can webp animations be streamed?
On Wed, Mar 12, 2025 at 3:38 PM James Zern <jz...@google.com> wrote: Hi, On Tue, Mar 4, 2025 at
13. ΠΌΠ°Ρ
clark zheng
,Β
James Zern
4
12. ΠΌΠ°Ρ
Cross-compiling error
On Wed, Mar 12, 2025 at 4:02 PM clark zheng <clarkz...@gmail.com> wrote: Hi, thanks for the
Π½Π΅ΠΏΡΠΎΡΠΈΡΠ°Π½ΠΎ,
Cross-compiling error
On Wed, Mar 12, 2025 at 4:02 PM clark zheng <clarkz...@gmail.com> wrote: Hi, thanks for the
12. ΠΌΠ°Ρ
Jason Carswell
,Β β¦Β
James Zern
6
3. ΠΌΠ°Ρ
FastStone + WebP = I just want it to work.
On Thu, Feb 27, 2025 at 2:49 AM Dashkovsky <sun...@gmail.com> wrote: since i have discovered
Π½Π΅ΠΏΡΠΎΡΠΈΡΠ°Π½ΠΎ,
FastStone + WebP = I just want it to work.
On Thu, Feb 27, 2025 at 2:49 AM Dashkovsky <sun...@gmail.com> wrote: since i have discovered
3. ΠΌΠ°Ρ
sincos2854
2
24. ΡΠ΅Π±
Multiple errors occur during the build of libwebp2(WebP 2)
I have confirmed that the issue has been resolved. Thank you very much. 2025εΉ΄2ζ22ζ₯εζζ₯ 13:40:29 UTC+9
Π½Π΅ΠΏΡΠΎΡΠΈΡΠ°Π½ΠΎ,
Multiple errors occur during the build of libwebp2(WebP 2)
I have confirmed that the issue has been resolved. Thank you very much. 2025εΉ΄2ζ22ζ₯εζζ₯ 13:40:29 UTC+9
24. ΡΠ΅Π±
Serge
,Β β¦Β
James Zern
7
21. ΡΠ΅Π±
Comparative Analysis on WebP and JPEG Decoding Performance
On Wed, Feb 19, 2025 at 4:25 PM James Zern <jz...@google.com> wrote: Hi, On Tue, Feb 18, 2025
Π½Π΅ΠΏΡΠΎΡΠΈΡΠ°Π½ΠΎ,
Comparative Analysis on WebP and JPEG Decoding Performance
On Wed, Feb 19, 2025 at 4:25 PM James Zern <jz...@google.com> wrote: Hi, On Tue, Feb 18, 2025
21. ΡΠ΅Π±
Panagiotis Paraskeva
,Β β¦Β
Rishabh Gupta
11
9. ΡΠ΅Π±
Android import for Libwebp
hey i checkout your repo, it's not support transparent background earlier i use this repo
Π½Π΅ΠΏΡΠΎΡΠΈΡΠ°Π½ΠΎ,
Android import for Libwebp
hey i checkout your repo, it's not support transparent background earlier i use this repo
9. ΡΠ΅Π±
Henok Sigo
2
23. ΡΠ°Π½
Re: Issue 391092769: Bitmap.Clone() doesn't always honor requested PixelFormat and thus results in Stackoverflow in Encode() recursion.
Ok On Thu, 23 Jan 2025, 10:00 pm , <buganize...@google.com> wrote: Replying to this email
Π½Π΅ΠΏΡΠΎΡΠΈΡΠ°Π½ΠΎ,
Re: Issue 391092769: Bitmap.Clone() doesn't always honor requested PixelFormat and thus results in Stackoverflow in Encode() recursion.
Ok On Thu, 23 Jan 2025, 10:00 pm , <buganize...@google.com> wrote: Replying to this email
23. ΡΠ°Π½
Mathias Schindler
2. ΡΠ°Π½
Steganography using WebP
In 2023, Katarzyna Koptyra and Marek R. Ogiela published "An Efficient Steganographic Protocol
Π½Π΅ΠΏΡΠΎΡΠΈΡΠ°Π½ΠΎ,
Steganography using WebP
In 2023, Katarzyna Koptyra and Marek R. Ogiela published "An Efficient Steganographic Protocol
2. ΡΠ°Π½
Linda Cannon
,Β β¦Β
James Zern
6
21. 12. 2024.
Bulk conversions?
Glad to hear it. If you have any other questions please feel free to ask. On Fri, Dec 20, 2024 at 5:
Π½Π΅ΠΏΡΠΎΡΠΈΡΠ°Π½ΠΎ,
Bulk conversions?
Glad to hear it. If you have any other questions please feel free to ask. On Fri, Dec 20, 2024 at 5:
21. 12. 2024.
James Zern
2
19. 12. 2024.
[ANN] libwebp 1.5.0 release candidate
Hi, On Fri, Dec 13, 2024 at 12:42 PM James Zern <jz...@google.com> wrote: Hi, Source and binary
Π½Π΅ΠΏΡΠΎΡΠΈΡΠ°Π½ΠΎ,
[ANN] libwebp 1.5.0 release candidate
Hi, On Fri, Dec 13, 2024 at 12:42 PM James Zern <jz...@google.com> wrote: Hi, Source and binary
19. 12. 2024.
Etienne Loiseau
,Β β¦Β
Efren Bravo
20
5. 12. 2024.
Webp in gmail / transparency issues
December 2024 and the problem persists. regards. On Thursday, August 15, 2024 at 12:55:38 PM UTC-4
Π½Π΅ΠΏΡΠΎΡΠΈΡΠ°Π½ΠΎ,
Webp in gmail / transparency issues
December 2024 and the problem persists. regards. On Thursday, August 15, 2024 at 12:55:38 PM UTC-4
5. 12. 2024.
William Borg Barthet
,Β
James Zern
2
12. 11. 2024.
WebP for Java applications
Hi, On Tue, Nov 12, 2024 at 6:38 AM William Borg Barthet <william.b...@bloomreach.com>
Π½Π΅ΠΏΡΠΎΡΠΈΡΠ°Π½ΠΎ,
WebP for Java applications
Hi, On Tue, Nov 12, 2024 at 6:38 AM William Borg Barthet <william.b...@bloomreach.com>
12. 11. 2024.
Tim Janik
,Β
James Zern
4
6. 11. 2024.
Feature Request: Add -sharp_yuv Command Line Option for Improved GIF to WEBP Conversion
On Mon, Nov 4, 2024 at 1:53 PM James Zern <jz...@google.com> wrote: On Mon, Nov 4, 2024 at 11:
Π½Π΅ΠΏΡΠΎΡΠΈΡΠ°Π½ΠΎ,
Feature Request: Add -sharp_yuv Command Line Option for Improved GIF to WEBP Conversion
On Mon, Nov 4, 2024 at 1:53 PM James Zern <jz...@google.com> wrote: On Mon, Nov 4, 2024 at 11:
6. 11. 2024.
Joshex Dirad
,Β
James Zern
2
5. 11. 2024.
Making a webp addon for legacy browsers
Hi, On Tue, Nov 5, 2024 at 10:07 AM Joshex Dirad <jos...@world-of-nintendo.com> wrote: I'm
Π½Π΅ΠΏΡΠΎΡΠΈΡΠ°Π½ΠΎ,
Making a webp addon for legacy browsers
Hi, On Tue, Nov 5, 2024 at 10:07 AM Joshex Dirad <jos...@world-of-nintendo.com> wrote: I'm
5. 11. 2024.
Dan Weaver
,Β β¦Β
ayan
4
15. 9. 2024.
Webp In GDrawings, GSlides, GDocs: UNSUPPORTED Image Type
yeah I don't think WebP is coming to GSuite anytime soon... On Sunday, September 15, 2024 at 2:12
Π½Π΅ΠΏΡΠΎΡΠΈΡΠ°Π½ΠΎ,
Webp In GDrawings, GSlides, GDocs: UNSUPPORTED Image Type
yeah I don't think WebP is coming to GSuite anytime soon... On Sunday, September 15, 2024 at 2:12
15. 9. 2024.
Aaaaaa
,Β
Frank Altpeter (frank42)
2
14. 9. 2024.
Google doesn't support its own image format?!
I just came across a similar experience. Google Drawings doesn't support webp either (importing
Π½Π΅ΠΏΡΠΎΡΠΈΡΠ°Π½ΠΎ,
Google doesn't support its own image format?!
I just came across a similar experience. Google Drawings doesn't support webp either (importing
14. 9. 2024.
sincos2854
2
27. 8. 2024.
A bug report for Webp 2(libwebp2)
The issue has been confirmed to be fixed in commit 318fa1dd2d7d91658d7bd38917b0fb0e0e243a16. Thank
Π½Π΅ΠΏΡΠΎΡΠΈΡΠ°Π½ΠΎ,
A bug report for Webp 2(libwebp2)
The issue has been confirmed to be fixed in commit 318fa1dd2d7d91658d7bd38917b0fb0e0e243a16. Thank
27. 8. 2024.
εΉΏε·θζ
,Β
Yannis Guyon
2
19. 8. 2024.
Coff2omf problem
Thank you for your interest in libwebp. Could you describe where your libwebp.lib file comes from,
Π½Π΅ΠΏΡΠΎΡΠΈΡΠ°Π½ΠΎ,
Coff2omf problem
Thank you for your interest in libwebp. Could you describe where your libwebp.lib file comes from,
19. 8. 2024.
James Zern
2
18. 7. 2024.
WebM/WebP Issue Tracker migration starts now
This is complete. The new tracker is live at https://issues.webmproject.org/. On Thu, Jul 18, 2024 at
Π½Π΅ΠΏΡΠΎΡΠΈΡΠ°Π½ΠΎ,
WebM/WebP Issue Tracker migration starts now
This is complete. The new tracker is live at https://issues.webmproject.org/. On Thu, Jul 18, 2024 at
18. 7. 2024.
w⦠via monorail
,Β β¦Β
gdee⦠via monorail
9
17. 7. 2024.
Issue 643 in webp: libwebp WASM decoding performance
Comment #8 on issue 643 by w...@utexas.edu: libwebp WASM decoding performance https://bugs.chromium.
Π½Π΅ΠΏΡΠΎΡΠΈΡΠ°Π½ΠΎ,
Issue 643 in webp: libwebp WASM decoding performance
Comment #8 on issue 643 by w...@utexas.edu: libwebp WASM decoding performance https://bugs.chromium.
17. 7. 2024.
James Zern
17. 7. 2024.
webm/webp monorail to buganizer migration
As you might be aware, Chromium moved over to a new issue tracker earlier this year [1]. We're
Π½Π΅ΠΏΡΠΎΡΠΈΡΠ°Π½ΠΎ,
webm/webp monorail to buganizer migration
As you might be aware, Chromium moved over to a new issue tracker earlier this year [1]. We're
17. 7. 2024.
tha⦠via monorail
,Β
jz⦠via monorail
4
16. 7. 2024.
Issue 646 in webp: "Canvas Assembly from Frames" in spec is incomplete and misleading
Comment #3 on issue 646 by jz...@google.com: "Canvas Assembly from Frames" in spec is
Π½Π΅ΠΏΡΠΎΡΠΈΡΠ°Π½ΠΎ,
Issue 646 in webp: "Canvas Assembly from Frames" in spec is incomplete and misleading
Comment #3 on issue 646 by jz...@google.com: "Canvas Assembly from Frames" in spec is
16. 7. 2024.
victo⦠via monorail
,Β β¦Β
jz⦠via monorail
9
11. 7. 2024.
Issue 644 in webp: Undefined symbols for architecture arm64: _SharpYuvConvert
Updates: Status: Done Comment #8 on issue 644 by jz...@google.com: Undefined symbols for architecture
Π½Π΅ΠΏΡΠΎΡΠΈΡΠ°Π½ΠΎ,
Issue 644 in webp: Undefined symbols for architecture arm64: _SharpYuvConvert
Updates: Status: Done Comment #8 on issue 644 by jz...@google.com: Undefined symbols for architecture
11. 7. 2024.