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WebP Discussion
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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://bugs.
chromium.org/p/webp/issues/
list
Discussions are rather technical most of the time, but not always!
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w… via monorail
,
jz… via monorail
4
6月28日
Issue 643 in webp: libwebp WASM decoding performance
Comment #3 on issue 643 by w...@utexas.edu: libwebp WASM decoding performance https://bugs.chromium.
未讀,
Issue 643 in webp: libwebp WASM decoding performance
Comment #3 on issue 643 by w...@utexas.edu: libwebp WASM decoding performance https://bugs.chromium.
6月28日
Yongzhi Liao
,
James Zern
2
6月24日
webp_wasm
Hi, On Mon, Jun 24, 2024 at 10:44 AM Yongzhi Liao <liaoyon...@gmail.com> wrote: Hello, I
未讀,
webp_wasm
Hi, On Mon, Jun 24, 2024 at 10:44 AM Yongzhi Liao <liaoyon...@gmail.com> wrote: Hello, I
6月24日
Anurag Sharma
6月24日
Hardware implementation of webp Encoder
Hello, I am interested to know that has anyone implemented the Webp Encoder in Verilog HDL. I want to
未讀,
Hardware implementation of webp Encoder
Hello, I am interested to know that has anyone implemented the Webp Encoder in Verilog HDL. I want to
6月24日
jz… via monorail
6月13日
Issue 642 in webp: how to build webp 64 bit dynamic library with Windows
Updates: Labels: Needs-Feedback Comment #1 on issue 642 by jz...@google.com: how to build webp 64 bit
未讀,
Issue 642 in webp: how to build webp 64 bit dynamic library with Windows
Updates: Labels: Needs-Feedback Comment #1 on issue 642 by jz...@google.com: how to build webp 64 bit
6月13日
ste.k… via monorail
, …
ygu… via monorail
5
1月22日
Issue 628 in webp: artefact in reducewebp
Updates: Status: Accepted Comment #4 on issue 628 by ygu...@google.com: artefact in reducewebp https:
未讀,
Issue 628 in webp: artefact in reducewebp
Updates: Status: Accepted Comment #4 on issue 628 by ygu...@google.com: artefact in reducewebp https:
1月22日
Miku AuahDark
,
Yannis Guyon
5
2023/12/25
Legal Questions on Reimplementing Single-File WebP Image Decoder
Based on these conversation, I'll do the following for my reimplementation: License it under BSD-
未讀,
Legal Questions on Reimplementing Single-File WebP Image Decoder
Based on these conversation, I'll do the following for my reimplementation: License it under BSD-
2023/12/25
Julian Lugod
, …
Vincent Rabaud
7
2023/12/22
Extracting Animated Webp
The frames are dumped, not recompressed. The size reduction you are seeing is probably because: - you
未讀,
Extracting Animated Webp
The frames are dumped, not recompressed. The size reduction you are seeing is probably because: - you
2023/12/22
prasannatsmkumar
, …
James Zern
15
2023/12/20
WebP support added to OpenCV
Hi, On Wed, Dec 20, 2023 at 9:15 AM Jason Beach <jason....@gmail.com> wrote: I know is this
未讀,
WebP support added to OpenCV
Hi, On Wed, Dec 20, 2023 at 9:15 AM Jason Beach <jason....@gmail.com> wrote: I know is this
2023/12/20
jz… via monorail
2023/12/18
Issue 627 in webp: libwebp 1.4.0
Status: Accepted Owner: jz...@google.com Labels: Type-Task Priority-Medium New issue 627 by jz...@
未讀,
Issue 627 in webp: libwebp 1.4.0
Status: Accepted Owner: jz...@google.com Labels: Type-Task Priority-Medium New issue 627 by jz...@
2023/12/18
nolan… via monorail
,
jz… via monorail
3
2023/12/18
Issue 624 in webp: Webp encoding cli auto rotates certain output photos seemingly randomly.
Updates: Status: Done Comment #2 on issue 624 by jz...@google.com: Webp encoding cli auto rotates
未讀,
Issue 624 in webp: Webp encoding cli auto rotates certain output photos seemingly randomly.
Updates: Status: Done Comment #2 on issue 624 by jz...@google.com: Webp encoding cli auto rotates
2023/12/18
Ritwik Ghosal
,
Vincent Rabaud
2
2023/12/18
BistEntropyRefine and FinalHuffmanCost
Symbols follow statistics that are stored in histogram (called population in the code). There is a
未讀,
BistEntropyRefine and FinalHuffmanCost
Symbols follow statistics that are stored in histogram (called population in the code). There is a
2023/12/18
peiwei zhang
,
Vincent Rabaud
3
2023/12/11
I have some questions about lossless compression for webp.
The transforms, as defined in the specification at https://chromium.googlesource.com/webm/libwebp/+/
未讀,
I have some questions about lossless compression for webp.
The transforms, as defined in the specification at https://chromium.googlesource.com/webm/libwebp/+/
2023/12/11
peiwei zhang
, …
Vincent Rabaud
5
2023/12/11
Hello, I have some question of webp.
1: indeed, the image is transformed to lower its entropy, before entropy coding 2:
未讀,
Hello, I have some question of webp.
1: indeed, the image is transformed to lower its entropy, before entropy coding 2:
2023/12/11
Etienne Loiseau
, …
David Strom
5
2023/12/6
Webp in gmail / transparency issues
This is pretty ridiculous! I go through so much effort to make our emails gmail darkmode compatible -
未讀,
Webp in gmail / transparency issues
This is pretty ridiculous! I go through so much effort to make our emails gmail darkmode compatible -
2023/12/6
pr...@lucmiteran.com
, …
James Zern
3
2023/12/4
On Fri, Nov 24, 2023 at 1:58 AM 'Vincent Rabaud' via WebP Discussion <webp-discuss@
未讀,
On Fri, Nov 24, 2023 at 1:58 AM 'Vincent Rabaud' via WebP Discussion <webp-discuss@
2023/12/4
lingy… via monorail
, …
jz… via monorail
5
2023/12/4
Issue 626 in webp: When using the -quality 100 parameter to process webp images, the output result size is too large and does not meet expectations.
Comment #4 on issue 626 by jz...@google.com: When using the -quality 100 parameter to process webp
未讀,
Issue 626 in webp: When using the -quality 100 parameter to process webp images, the output result size is too large and does not meet expectations.
Comment #4 on issue 626 by jz...@google.com: When using the -quality 100 parameter to process webp
2023/12/4
FAMASoon ch
, …
Corentin Le Molgat
8
2023/11/27
How to contribute this?
Thank you all. I now understand how to format it. I will try it! Thank you so much. 2023年11月27日月曜日 18
未讀,
How to contribute this?
Thank you all. I now understand how to format it. I will try it! Thank you so much. 2023年11月27日月曜日 18
2023/11/27
jongr… via monorail
, …
jgran… via monorail
5
2023/11/22
Issue 622 in webp: BuildHuffmanTable check bounds of offset[] and sorted[] array
Comment #4 on issue 622 by jgran...@gmail.com: BuildHuffmanTable check bounds of offset[] and sorted[
未讀,
Issue 622 in webp: BuildHuffmanTable check bounds of offset[] and sorted[] array
Comment #4 on issue 622 by jgran...@gmail.com: BuildHuffmanTable check bounds of offset[] and sorted[
2023/11/22
Aum Vaghela
,
James Zern
2
2023/11/20
How to add Animated Webp Support to your wordpress setup?
Hi, On Mon, Nov 20, 2023 at 1:34 PM Aum Vaghela <aumvagh...@gmail.com> wrote: Is it
未讀,
How to add Animated Webp Support to your wordpress setup?
Hi, On Mon, Nov 20, 2023 at 1:34 PM Aum Vaghela <aumvagh...@gmail.com> wrote: Is it
2023/11/20
wjf56… via monorail
, …
James Zern
4
2023/11/15
Issue 625 in webp: Can webpjs decode animated webp?
Hi, On Wed, Nov 15, 2023 at 5:26 PM wjf56… via monorail <monorail+noreply+v2.2633858171@chromium.
未讀,
Issue 625 in webp: Can webpjs decode animated webp?
Hi, On Wed, Nov 15, 2023 at 5:26 PM wjf56… via monorail <monorail+noreply+v2.2633858171@chromium.
2023/11/15
m st
,
James Zern
2
2023/11/7
What is the best way to subscribe to new version / or new security issue (security alert)?
Hi, On Tue, Nov 7, 2023 at 12:56 AM m st <mart...@gmail.com> wrote: > > Hi, > >
未讀,
What is the best way to subscribe to new version / or new security issue (security alert)?
Hi, On Tue, Nov 7, 2023 at 12:56 AM m st <mart...@gmail.com> wrote: > > Hi, > >
2023/11/7
Ritwik Ghosal
,
Vincent Rabaud
2
2023/11/6
Inverse transform in Decoder
Hi, ProcessRows is called whenever a row is finished and it is a multiple of NUM_ARGB_CACHE_ROWS,
未讀,
Inverse transform in Decoder
Hi, ProcessRows is called whenever a row is finished and it is a multiple of NUM_ARGB_CACHE_ROWS,
2023/11/6
Jonny Grant
, …
James Zern
6
2023/10/30
Building fuzzer error libwebpmux.a', needed by 'advanced_api_fuzzer'. Stop
On Thu, Oct 26, 2023 at 2:01 PM Jonny Grant <jongr...@gmail.com> wrote: On Friday, 20 October
未讀,
Building fuzzer error libwebpmux.a', needed by 'advanced_api_fuzzer'. Stop
On Thu, Oct 26, 2023 at 2:01 PM Jonny Grant <jongr...@gmail.com> wrote: On Friday, 20 October
2023/10/30
lipen… via monorail
, …
ygu… via monorail
14
2023/10/24
Issue 15 in webp2: Use atomic add if hook_ is null in ProgressWatcher::AdvanceBy symbol
Comment #13 on issue 15 by ygu...@google.com: Use atomic add if hook_ is null in ProgressWatcher::
未讀,
Issue 15 in webp2: Use atomic add if hook_ is null in ProgressWatcher::AdvanceBy symbol
Comment #13 on issue 15 by ygu...@google.com: Use atomic add if hook_ is null in ProgressWatcher::
2023/10/24
lipen… via monorail
,
ygu… via monorail
4
2023/10/24
Issue 18 in webp2: Cannot submit a patch to review in the refs/for/main
Updates: Status: WontFix Comment #3 on issue 18 by ygu...@google.com: Cannot submit a patch to review
未讀,
Issue 18 in webp2: Cannot submit a patch to review in the refs/for/main
Updates: Status: WontFix Comment #3 on issue 18 by ygu...@google.com: Cannot submit a patch to review
2023/10/24
wangz… via monorail
, …
jz… via monorail
7
2023/10/19
Issue 619 in webp: Error when compiling under windows arm64
Comment #5 on issue 619 by jz...@google.com: Error when compiling under windows arm64 https://bugs.
未讀,
Issue 619 in webp: Error when compiling under windows arm64
Comment #5 on issue 619 by jz...@google.com: Error when compiling under windows arm64 https://bugs.
2023/10/19
Sebastian C.
, …
James Zern
3
2023/10/19
Security Issue in Webptools latest
On Thu, Oct 19, 2023 at 2:49 AM 'Vincent Rabaud' via WebP Discussion <webp-discuss@
未讀,
Security Issue in Webptools latest
On Thu, Oct 19, 2023 at 2:49 AM 'Vincent Rabaud' via WebP Discussion <webp-discuss@
2023/10/19
jongr… via monorail
, …
j… via monorail
9
2023/10/19
Issue 621 in webp: BuildHuffmanTable could replace assert with if() for safety
Comment #8 on issue 621 by j...@jguk.org: BuildHuffmanTable could replace assert with if() for safety
未讀,
Issue 621 in webp: BuildHuffmanTable could replace assert with if() for safety
Comment #8 on issue 621 by j...@jguk.org: BuildHuffmanTable could replace assert with if() for safety
2023/10/19
James Zern
2023/10/11
Re: How to get moderator permission to delete conversation
Hi, On Sun, Oct 8, 2023 at 11:40 AM Vanessa Cristina <vc65...@gmail.com> wrote: How to get the
未讀,
Re: How to get moderator permission to delete conversation
Hi, On Sun, Oct 8, 2023 at 11:40 AM Vanessa Cristina <vc65...@gmail.com> wrote: How to get the
2023/10/11
jksty… via monorail
, …
jz… via monorail
7
2023/10/10
Issue 623 in webp: Error when compiling under m1 mac
Comment #6 on issue 623 by jz...@google.com: Error when compiling under m1 mac https://bugs.chromium.
未讀,
Issue 623 in webp: Error when compiling under m1 mac
Comment #6 on issue 623 by jz...@google.com: Error when compiling under m1 mac https://bugs.chromium.
2023/10/10