WebP Discussion

1–30 of 1390

Welcome to webp-discuss

This is the place to ask everything about WebP, the image compression format.

See main page: https://developers.google.com/speed/webp/

Discussions are rather technical most of the time, but not always!

0 selected

MAHESH KANODIA, … Pascal Massimino3

Oct 26

how to convert entire folder containing jpeg images to web p images on system

Hello, On Tue, Oct 26, 2021 at 10:30 AM 'Yannis Guyon' via WebP Discussion <webp-discuss@

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how to convert entire folder containing jpeg images to web p images on system

Hello, On Tue, Oct 26, 2021 at 10:30 AM 'Yannis Guyon' via WebP Discussion <webp-discuss@

Oct 26

darklord, Yannis Guyon2

Oct 25

HELP! How to get the frame number of webp format pictures in Browser.

You should be able to get the frame count with the libwebp C API specified in demux.h: WebPData

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HELP! How to get the frame number of webp format pictures in Browser.

You should be able to get the frame count with the libwebp C API specified in demux.h: WebPData

Oct 25

jz… via monorail2

Oct 19

Issue 542 in webp: xcframework: Multiple commands produce '.../Build/Products/Debug-iphoneos/include/demux.h':

Comment #1 on issue 542 by jz...@google.com: xcframework: Multiple commands produce '.../Build/

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Issue 542 in webp: xcframework: Multiple commands produce '.../Build/Products/Debug-iphoneos/include/demux.h':

Comment #1 on issue 542 by jz...@google.com: xcframework: Multiple commands produce '.../Build/

Oct 19

nob...@twitter.com, … James Zern13

Oct 19

WebP.framework for iOS does not work with Project Catalyst / UIKit for Mac

Hi Liam, On Tue, Oct 19, 2021 at 2:25 PM Liam Nichols <liam.nichols.ln@gmail.com> wrote: Hi

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WebP.framework for iOS does not work with Project Catalyst / UIKit for Mac

Hi Liam, On Tue, Oct 19, 2021 at 2:25 PM Liam Nichols <liam.nichols.ln@gmail.com> wrote: Hi

Oct 19

jz… via monorail

Oct 6

Issue 541 in webp: libwebp 1.2.2

Status: Accepted Owner: jz...@google.com Labels: Type-Task Priority-Medium New issue 541 by jz...@

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Issue 541 in webp: libwebp 1.2.2

Status: Accepted Owner: jz...@google.com Labels: Type-Task Priority-Medium New issue 541 by jz...@

Oct 6

Owen Choi, James Zern3

Sep 23

how should I control the flow when writing an animated webp to the file.

Hi James Thank you for your detailed answer. I'm gonna check your solution. :) 2021년 9월 18일 토요일

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how should I control the flow when writing an animated webp to the file.

Hi James Thank you for your detailed answer. I'm gonna check your solution. :) 2021년 9월 18일 토요일

Sep 23

pasca… via monorail, … manuc… via monorail5

Sep 20

Issue 6 in webp2: Building shared libraries

Comment #5 on issue 6 by manuc...@gmail.com: Building shared libraries https://bugs.chromium.org/p/

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Issue 6 in webp2: Building shared libraries

Comment #5 on issue 6 by manuc...@gmail.com: Building shared libraries https://bugs.chromium.org/p/

Sep 20

nth1… via monorail, … jz… via monorail8

Sep 15

Issue 539 in webp: ARM64 NEON support for MSVC

Updates: Labels: -Needs-Feedback Status: Fixed Comment #8 on issue 539 by jz...@google.com: ARM64

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Issue 539 in webp: ARM64 NEON support for MSVC

Updates: Labels: -Needs-Feedback Status: Fixed Comment #8 on issue 539 by jz...@google.com: ARM64

Sep 15

wlzq… via monorail, … jz… via monorail7

Sep 2

Issue 538 in webp: CMake Error at cmake/cpu.cmake:80 (if)

Updates: Labels: v1.2.2 Status: Fixed Comment #6 on issue 538 by jz...@google.com: CMake Error at

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Issue 538 in webp: CMake Error at cmake/cpu.cmake:80 (if)

Updates: Labels: v1.2.2 Status: Fixed Comment #6 on issue 538 by jz...@google.com: CMake Error at

Sep 2

mdupo… via monorail, pasca… via monorail2

Aug 30

Issue 8 in webp2: Incremental encoding API

Comment #1 on issue 8 by pasca...@gmail.com: Incremental encoding API https://bugs.chromium.org/p/

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Issue 8 in webp2: Incremental encoding API

Comment #1 on issue 8 by pasca...@gmail.com: Incremental encoding API https://bugs.chromium.org/p/

Aug 30

jz… via monorail, Git Watcher via monorail6

Aug 18

Issue 521 in webp: libwebp 1.2.1

Updates: Status: Done Comment #13 on issue 521 by jz...@google.com: libwebp 1.2.1 https://bugs.

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Issue 521 in webp: libwebp 1.2.1

Updates: Status: Done Comment #13 on issue 521 by jz...@google.com: libwebp 1.2.1 https://bugs.

Aug 18

steve… via monorail, pasca… via monorail4

Aug 18

Issue 537 in webp: Feature request: different qualities for different sections of picture

Comment #3 on issue 537 by steve...@gmail.com: Feature request: different qualities for different

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Issue 537 in webp: Feature request: different qualities for different sections of picture

Comment #3 on issue 537 by steve...@gmail.com: Feature request: different qualities for different

Aug 18

necro… via monorail, jz… via monorail5

Aug 17

Issue 536 in webp: PNG > WEBP lossless convertion not lossless

Comment #4 on issue 536 by jz...@google.com: PNG > WEBP lossless convertion not lossless https://

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Issue 536 in webp: PNG > WEBP lossless convertion not lossless

Comment #4 on issue 536 by jz...@google.com: PNG > WEBP lossless convertion not lossless https://

Aug 17

geop… via monorail, … pasca… via monorail14

Aug 16

Issue 401 in webp: tiff w/ alpha -> lossless WebP results in distorted alpha channel

Comment #14 on issue 401 by pasca...@gmail.com: tiff w/ alpha -> lossless WebP results in

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Issue 401 in webp: tiff w/ alpha -> lossless WebP results in distorted alpha channel

Comment #14 on issue 401 by pasca...@gmail.com: tiff w/ alpha -> lossless WebP results in

Aug 16

Aug 13

[ANN] libwebp 1.2.1 release candidate

On Wednesday, July 28, 2021 at 10:12:55 AM UTC-7 James Zern wrote: Hi, Source and binary archives are

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[ANN] libwebp 1.2.1 release candidate

On Wednesday, July 28, 2021 at 10:12:55 AM UTC-7 James Zern wrote: Hi, Source and binary archives are

Aug 13

sand… via monorail, … jz… via monorail5

Aug 12

Issue 535 in webp: Losslessly compressing the attached PNG produces a broken file

Updates: Status: Invalid Comment #4 on issue 535 by jz...@google.com: Losslessly compressing the

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Issue 535 in webp: Losslessly compressing the attached PNG produces a broken file

Updates: Status: Invalid Comment #4 on issue 535 by jz...@google.com: Losslessly compressing the

Aug 12

Pierre Joye, Pascal Massimino3

Aug 10

Allow MODE_bgrA for advanced Encoding

Good morning, On Tue, Aug 10, 2021 at 11:11 PM Pascal Massimino <pascal.massimino@gmail.com>

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Allow MODE_bgrA for advanced Encoding

Good morning, On Tue, Aug 10, 2021 at 11:11 PM Pascal Massimino <pascal.massimino@gmail.com>

Aug 10

Pierre Joye, … Pascal Massimino5

Aug 10

Doc repository?

Hi, On Tue, Aug 10, 2021, 7:11 PM Pascal Massimino <pascal.massimino@gmail.com> wrote: #if

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Doc repository?

Hi, On Tue, Aug 10, 2021, 7:11 PM Pascal Massimino <pascal.massimino@gmail.com> wrote: #if

Aug 10

toono… via monorail, … andre… via monorail4

Aug 9

Issue 495 in webp: Animated WebP Frame Extraction Broken - Artifact outputs

Comment #3 on issue 495 by andre...@gmail.com: Animated WebP Frame Extraction Broken - Artifact

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Issue 495 in webp: Animated WebP Frame Extraction Broken - Artifact outputs

Comment #3 on issue 495 by andre...@gmail.com: Animated WebP Frame Extraction Broken - Artifact

Aug 9

Dmitry Baryshev, Yannis Guyon3

Jul 28

"WebP" actual meaning

Great, thanks! 😀 ср, 28 июл. 2021 г., 16:30 Yannis Guyon <yguyon@google.com>: Yes it is :) See

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"WebP" actual meaning

Great, thanks! 😀 ср, 28 июл. 2021 г., 16:30 Yannis Guyon <yguyon@google.com>: Yes it is :) See

Jul 28

Dmitry Baryshev, Yannis Guyon2

Jul 28

Is XMP chunk data zero terminated?

I do not think there is any guarantee of that on the WebP format side. Does the ISO 16684-1:2012

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Is XMP chunk data zero terminated?

I do not think there is any guarantee of that on the WebP format side. Does the ISO 16684-1:2012

Jul 28

i… via monorail, … jz… via monorail14

Jul 27

Issue 448 in webp: IANA registration for WebP

Comment #15 on issue 448 by jz...@google.com: IANA registration for WebP https://bugs.chromium.org/p/

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Issue 448 in webp: IANA registration for WebP

Comment #15 on issue 448 by jz...@google.com: IANA registration for WebP https://bugs.chromium.org/p/

Jul 27

boardhead, … James Zern7

Jul 27

WebP MIME type and file extension

Hi, On Tue, Jul 27, 2021 at 10:02 AM Joakim Erdfelt <joakim.erdfelt@gmail.com> wrote: It's

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WebP MIME type and file extension

Hi, On Tue, Jul 27, 2021 at 10:02 AM Joakim Erdfelt <joakim.erdfelt@gmail.com> wrote: It's

Jul 27

Dmitry Baryshev, James Zern3

Jul 23

Decode animation on the fly with libwebp 1.1

> Yes, but not through the WebPAnimDecoder interface. You'd need to use the demuxer (or

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Decode animation on the fly with libwebp 1.1

> Yes, but not through the WebPAnimDecoder interface. You'd need to use the demuxer (or

Jul 23

mm494… via monorail, … adams… via monorail7

Jul 22

Issue 534 in webp: This image cannot be processed by the web server. Convert it to JPEG or PNG before uploading.

Comment #6 on issue 534 by adams...@earthboundhosting.com: This image cannot be processed by the web

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Issue 534 in webp: This image cannot be processed by the web server. Convert it to JPEG or PNG before uploading.

Comment #6 on issue 534 by adams...@earthboundhosting.com: This image cannot be processed by the web

Jul 22

marro… via monorail, … jz… via monorail7

Jul 21

Issue 532 in webp: Include libraries doesn't propagate

Comment #8 on issue 532 by jz...@google.com: Include libraries doesn't propagate https://bugs.

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Issue 532 in webp: Include libraries doesn't propagate

Comment #8 on issue 532 by jz...@google.com: Include libraries doesn't propagate https://bugs.

Jul 21

McGrumpus, Anthony Fuoco2

Jul 21

What WEBP actually, really DOES out in "the world"

This has been my experience by happening across a random webp file. I can see the benefit for

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What WEBP actually, really DOES out in "the world"

This has been my experience by happening across a random webp file. I can see the benefit for

Jul 21

kiloo… via monorail, … jz… via monorail11

Jul 20

Issue 533 in webp: cwebp doesn't support alpha - from command line

Updates: Status: Fixed Comment #12 on issue 533 by jzern@chromium.org: cwebp doesn't support

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Issue 533 in webp: cwebp doesn't support alpha - from command line

Updates: Status: Fixed Comment #12 on issue 533 by jzern@chromium.org: cwebp doesn't support

Jul 20

Jan Niklas Hasse, James Zern9

Jul 20

Building with CMake for iOS Simulator on ARM64 fails with undefined reference to _VP8FiltersInitNEON

On Tue, Jul 20, 2021 at 10:52 AM Jan Niklas Hasse <jhasse@gmail.com> wrote: On Monday, 19 July

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Building with CMake for iOS Simulator on ARM64 fails with undefined reference to _VP8FiltersInitNEON

On Tue, Jul 20, 2021 at 10:52 AM Jan Niklas Hasse <jhasse@gmail.com> wrote: On Monday, 19 July

Jul 20

raullo… via monorail, … jz… via monorail8

Jul 16

Issue 148 in webp: WIC codec does not support animation

Updates: Status: WontFix Comment #9 on issue 148 by jz...@google.com: WIC codec does not support

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Issue 148 in webp: WIC codec does not support animation

Updates: Status: WontFix Comment #9 on issue 148 by jz...@google.com: WIC codec does not support

Jul 16

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