WebP Discussion

1–30 of 1538

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!

0 selected

jongr… via monorail

8:10 AM

Issue 621 in webp: BuildHuffmanTable could replace assert with if() for safety

Status: New Owner: ---- Labels: Type-Defect Priority-Medium New issue 621 by jongr...@gmail.com:

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Issue 621 in webp: BuildHuffmanTable could replace assert with if() for safety

Status: New Owner: ---- Labels: Type-Defect Priority-Medium New issue 621 by jongr...@gmail.com:

8:10 AM

m st, James Zern2

Sep 21

Where is libwebp-1.3.2.zip?

On Thu, Sep 21, 2023 at 1:35 AM m st <mart...@gmail.com> wrote: Hi so a few days ago I

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Where is libwebp-1.3.2.zip?

On Thu, Sep 21, 2023 at 1:35 AM m st <mart...@gmail.com> wrote: Hi so a few days ago I

Sep 21

Leo, … James Zern5

Sep 20

Fail to load libwebp.dll in C# using version 1.3.2

Done! Thanks, James. 在2023年9月19日星期二 UTC+8 01:52:28<James Zern> 写道： Hi, On Mon, Sep 18, 2023 at

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Fail to load libwebp.dll in C# using version 1.3.2

Done! Thanks, James. 在2023年9月19日星期二 UTC+8 01:52:28<James Zern> 写道： Hi, On Mon, Sep 18, 2023 at

Sep 20

kai, … James Zern8

Sep 20

How to reduce an animated webp to the maximum using api?

On Tue, Sep 19, 2023 at 4:02 AM kai <queauto...@gmail.com> wrote: Yes I also tried to

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How to reduce an animated webp to the maximum using api?

On Tue, Sep 19, 2023 at 4:02 AM kai <queauto...@gmail.com> wrote: Yes I also tried to

Sep 20

jz… via monorail, Git Watcher via monorail7

Sep 18

Issue 620 in webp: libwebp 1.3.2

Updates: Status: Fixed Comment #6 on issue 620 by jz...@google.com: libwebp 1.3.2 https://bugs.

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Issue 620 in webp: libwebp 1.3.2

Updates: Status: Fixed Comment #6 on issue 620 by jz...@google.com: libwebp 1.3.2 https://bugs.

Sep 18

Vanessa Cristina, Yannis Guyon5

Sep 17

Photos from Windows 10 Webp Codec Photo Viewer Appears Dark

What other viewing software are you using to consider this render to be dark? I cannot investigate

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Photos from Windows 10 Webp Codec Photo Viewer Appears Dark

What other viewing software are you using to consider this render to be dark? I cannot investigate

Sep 17

Git Watcher via monorail, jz… via monorail37

Sep 15

Issue 611 in webp: webp lossless spec feedback

Comment #43 on issue 611 by Git Watcher: webp lossless spec feedback https://bugs.chromium.org/p/webp

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Issue 611 in webp: webp lossless spec feedback

Comment #43 on issue 611 by Git Watcher: webp lossless spec feedback https://bugs.chromium.org/p/webp

Sep 15

Eduardo Wolff Carvalho, … James Zern5

Sep 14

webpmux reading arguments from a file error

Hi, On Wed, Sep 13, 2023 at 4:02 PM Eduardo Wolff Carvalho <edu....@gmail.com> wrote: Thanks

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webpmux reading arguments from a file error

Hi, On Wed, Sep 13, 2023 at 4:02 PM Eduardo Wolff Carvalho <edu....@gmail.com> wrote: Thanks

Sep 14

Sep 13

[ANN] libwebp 1.3.2

This release has been tagged. Archives are available [1]. This release contains only one change, an

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[ANN] libwebp 1.3.2

This release has been tagged. Archives are available [1]. This release contains only one change, an

Sep 13

Marcelo V, … Eduardo Wolff Carvalho9

Sep 10

WebP with Exif Metadata samples?

Hey Marcelo, I think I might have a very good solution for your "WebP images with EXIF data

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WebP with Exif Metadata samples?

Hey Marcelo, I think I might have a very good solution for your "WebP images with EXIF data

Sep 10

Ritwik Ghosal, … Jyrki Alakuijala7

Sep 9

The DEFLATE-like codec used for lossless

1.) Is the coding technique here in WebP same as DEFLATE. As Deflate has the concept of prefix codes

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The DEFLATE-like codec used for lossless

1.) Is the coding technique here in WebP same as DEFLATE. As Deflate has the concept of prefix codes

Sep 9

wangz… via monorail, Vincent Rabaud3

Sep 8

Issue 619 in webp: Error when compiling under windows arm64

Thx for reporting. This is the upstrean issue: https://github.com/microsoft/vcpkg/issues/33603 It

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Issue 619 in webp: Error when compiling under windows arm64

Thx for reporting. This is the upstrean issue: https://github.com/microsoft/vcpkg/issues/33603 It

Sep 8

s4b… via monorail, jz… via monorail2

Aug 24

Issue 618 in webp: Documentation is inaccessible

Comment #1 on issue 618 by jz...@google.com: Documentation is inaccessible https://bugs.chromium.org/

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Issue 618 in webp: Documentation is inaccessible

Comment #1 on issue 618 by jz...@google.com: Documentation is inaccessible https://bugs.chromium.org/

Aug 24

jz… via monorail

Aug 21

Issue 617 in webp: Preserve IPTC metadata

Status: Accepted Owner: jz...@google.com Labels: Type-Defect Priority-Medium New issue 617 by jz...@

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Issue 617 in webp: Preserve IPTC metadata

Status: Accepted Owner: jz...@google.com Labels: Type-Defect Priority-Medium New issue 617 by jz...@

Aug 21

Jordan Loeser, Pascal Massimino2

Aug 20

WebPAnimDecoderNew causing memory errors

Jordan, On Sun, Aug 20, 2023, 00:48 Jordan Loeser <loeser...@gmail.com> wrote: Hello! I am

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WebPAnimDecoderNew causing memory errors

Jordan, On Sun, Aug 20, 2023, 00:48 Jordan Loeser <loeser...@gmail.com> wrote: Hello! I am

Aug 20

Aug 19

WebPAnimDecoderNew causing memory issues

Hello, I am working on a firmware project that uses `libwebp` to decode an an animated webp, but I am

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WebPAnimDecoderNew causing memory issues

Hello, I am working on a firmware project that uses `libwebp` to decode an an animated webp, but I am

Aug 19

tsuts… via monorail, … Git Watcher via monorail4

Aug 17

Issue 615 in webp: Incorrect example in <webp/decode.h>

Updates: Status: Fixed Comment #3 on issue 615 by Git Watcher: Incorrect example in <webp/decode.h

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Issue 615 in webp: Incorrect example in <webp/decode.h>

Updates: Status: Fixed Comment #3 on issue 615 by Git Watcher: Incorrect example in <webp/decode.h

Aug 17

tsuts… via monorail, ygu… via monorail5

Aug 16

Issue 616 in webp: WebPDecodeRGB() returns unexpected RGB values on pixels 100% transparency

Comment #4 on issue 616 by ygu...@google.com: WebPDecodeRGB() returns unexpected RGB values on pixels

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Issue 616 in webp: WebPDecodeRGB() returns unexpected RGB values on pixels 100% transparency

Comment #4 on issue 616 by ygu...@google.com: WebPDecodeRGB() returns unexpected RGB values on pixels

Aug 16

Micah Powch, … Joan Leon3

Aug 10

Create a webp animation in browser JS?

You can use ffmpeg. I found this example Convert MP4 file to animated WEBP file in ffmpeg CLI ----

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Create a webp animation in browser JS?

You can use ffmpeg. I found this example Convert MP4 file to animated WEBP file in ffmpeg CLI ----

Aug 10

Wenbin Chen, … James Zern3

Jul 28

complexity of WebP

On Fri, Jul 28, 2023 at 4:56 AM 'Vincent Rabaud' via WebP Discussion <webp-discuss@

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complexity of WebP

On Fri, Jul 28, 2023 at 4:56 AM 'Vincent Rabaud' via WebP Discussion <webp-discuss@

Jul 28

cho… via monorail, … James Zern8

Jul 25

Issue 398 in webp: unable handle some unicode file name

Hi, On Tue, Jul 25, 2023 at 5:43 PM Rana Rizwan Ahmed <rrizwa...@gmail.com> wrote:

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Issue 398 in webp: unable handle some unicode file name

Hi, On Tue, Jul 25, 2023 at 5:43 PM Rana Rizwan Ahmed <rrizwa...@gmail.com> wrote:

Jul 25

scro… via monorail, … muham… via monorail5

Jul 25

Issue 423 in webp: Make it possible to encode a webp file with an ICC profile in one step

Comment #7 on issue 423 by muham...@gmail.com: Make it possible to encode a webp file with an ICC

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Issue 423 in webp: Make it possible to encode a webp file with an ICC profile in one step

Comment #7 on issue 423 by muham...@gmail.com: Make it possible to encode a webp file with an ICC

Jul 25

Aru, … James Zern3

Jul 24

Can I disable frame dispose at already exsisting animated webp file via webpmux?

Hi, On Mon, Jul 24, 2023 at 1:18 AM 'Yannis Guyon' via WebP Discussion <webp-discuss@

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Can I disable frame dispose at already exsisting animated webp file via webpmux?

Hi, On Mon, Jul 24, 2023 at 1:18 AM 'Yannis Guyon' via WebP Discussion <webp-discuss@

Jul 24

Ritwik Ghosal, … James Zern7

Jul 21

Encoding of binary images

On Fri, Jul 21, 2023 at 6:52 AM 'Vincent Rabaud' via WebP Discussion <webp-discuss@

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Encoding of binary images

On Fri, Jul 21, 2023 at 6:52 AM 'Vincent Rabaud' via WebP Discussion <webp-discuss@

Jul 21

jz… via monorail, Git Watcher via monorail12

Jul 14

Issue 608 in webp: libwebp 1.3.1

Updates: Status: Done Comment #13 on issue 608 by jz...@google.com: libwebp 1.3.1 https://bugs.

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Issue 608 in webp: libwebp 1.3.1

Updates: Status: Done Comment #13 on issue 608 by jz...@google.com: libwebp 1.3.1 https://bugs.

Jul 14

Jul 13

We should be able to disable this worthless format

Webp is making the internet worse in every way. We shouldn't all be forced to use this dumb

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We should be able to disable this worthless format

Webp is making the internet worse in every way. We shouldn't all be forced to use this dumb

Jul 13

alec.… via monorail, … jz… via monorail6

Jul 7

Issue 581 in webp: Undocumented Constraint on Huffman Coding for VP8L

Updates: Owner: jz...@google.com Status: Fixed Comment #7 on issue 581 by jz...@google.com:

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Issue 581 in webp: Undocumented Constraint on Huffman Coding for VP8L

Updates: Owner: jz...@google.com Status: Fixed Comment #7 on issue 581 by jz...@google.com:

Jul 7

patri… via monorail, jz… via monorail7

Jul 7

Issue 585 in webp: Xcode warninigs

Updates: Labels: -Needs-Feedback Status: Invalid Comment #7 on issue 585 by jz...@google.com: Xcode

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Issue 585 in webp: Xcode warninigs

Updates: Labels: -Needs-Feedback Status: Invalid Comment #7 on issue 585 by jz...@google.com: Xcode

Jul 7

vyach… via monorail, jz… via monorail4

Jul 7

Issue 601 in webp: WebPDecodeRGBAInto raises "Access violation" during decoding 1-pixel-height images

Updates: Labels: -Needs-Feedback Status: Invalid Comment #3 on issue 601 by jz...@google.com:

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Issue 601 in webp: WebPDecodeRGBAInto raises "Access violation" during decoding 1-pixel-height images

Updates: Labels: -Needs-Feedback Status: Invalid Comment #3 on issue 601 by jz...@google.com:

Jul 7

Jun 28

[ANN] libwebp 1.3.1 release candidate

On Friday, June 23, 2023 at 12:42:21 PM UTC-7 James Zern wrote: Hi, On Friday, June 2, 2023 at 10:31:

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[ANN] libwebp 1.3.1 release candidate

On Friday, June 23, 2023 at 12:42:21 PM UTC-7 James Zern wrote: Hi, On Friday, June 2, 2023 at 10:31:

Jun 28

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