WebP Discussion

1–30 of 1386

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!

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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

Owen Choi, James Zern2

Sep 17

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

Hi Owen, On Thu, Sep 16, 2021 at 11:46 PM Owen Choi <tacstar@gmail.com> wrote: Hi everyone~

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

Hi Owen, On Thu, Sep 16, 2021 at 11:46 PM Owen Choi <tacstar@gmail.com> wrote: Hi everyone~

Sep 17

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

nazar… via monorail, … jz… via monorail8

Jul 16

Issue 524 in webp: A lot of valgrind complaints about uninitialized memory

Updates: Status: Invalid Comment #7 on issue 524 by jz...@google.com: A lot of valgrind complaints

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Issue 524 in webp: A lot of valgrind complaints about uninitialized memory

Updates: Status: Invalid Comment #7 on issue 524 by jz...@google.com: A lot of valgrind complaints

Jul 16

Jul 16

Re: Digest for webp-discuss@webmproject.org - 4 updates in 1 topic

On Fri, Jul 16, 2021, 1:07 AM <webp-discuss@webmproject.org> wrote: webp-discuss@webmproject.

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Re: Digest for webp-discuss@webmproject.org - 4 updates in 1 topic

On Fri, Jul 16, 2021, 1:07 AM <webp-discuss@webmproject.org> wrote: webp-discuss@webmproject.

Jul 16

zjup… via monorail, jz… via monorail2

Jul 10

Issue 531 in webp: some webp images downsample cause distortion and mosaic

Comment #1 on issue 531 by jz...@google.com: some webp images downsample cause distortion and mosaic

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Issue 531 in webp: some webp images downsample cause distortion and mosaic

Comment #1 on issue 531 by jz...@google.com: some webp images downsample cause distortion and mosaic

Jul 10

kbrou… via monorail, … jz… via monorail6

Jul 8

Issue 501 in webp: Linux build instructions could use more details

Updates: Status: Fixed Comment #6 on issue 501 by jz...@google.com: Linux build instructions could

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Issue 501 in webp: Linux build instructions could use more details

Updates: Status: Fixed Comment #6 on issue 501 by jz...@google.com: Linux build instructions could

Jul 8

gheak… via monorail, pasca… via monorail2

Jul 8

Issue 530 in webp: Animated graph decoding failed

Updates: Owner: pasca...@gmail.com Status: WontFix Comment #1 on issue 530 by pasca...@gmail.com:

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Issue 530 in webp: Animated graph decoding failed

Updates: Owner: pasca...@gmail.com Status: WontFix Comment #1 on issue 530 by pasca...@gmail.com:

Jul 8

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