AV1 Discussion

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Public Discussion of the Alliance for Open Media's AV1 Video Codec.

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Jerome Jiang

Apr 23

libaom v3.9.0 Karat Released

Hi all, libaom v3.9.0 Karat has been released. The source code of the release can be checked out from

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libaom v3.9.0 Karat Released

Hi all, libaom v3.9.0 Karat has been released. The source code of the release can be checked out from

Apr 23

Jerome Jiang

Apr 10

libaom v3.9.0 release candidate 1

Hi everyone, libaom v3.9.0 release candidate 1 is tagged with v3.9.0-rc1. Your testing is greatly

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libaom v3.9.0 release candidate 1

Hi everyone, libaom v3.9.0 release candidate 1 is tagged with v3.9.0-rc1. Your testing is greatly

Apr 10

Wan-Teh Chang

Mar 13

libaom v3.8.2 Released

Hello everyone, libaom v3.8.2 has been released. This is a bug-fix patch release for libaom v3.8.0.

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libaom v3.8.2 Released

Hello everyone, libaom v3.8.2 has been released. This is a bug-fix patch release for libaom v3.8.0.

Mar 13

Wan-Teh Chang

Mar 11

libaom v3.8.2 release candidate 1

Hi everyone, libaom v3.8.2 release candidate 1 is available. The release tag is v3.8.2-rc1. Your

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libaom v3.8.2 release candidate 1

Hi everyone, libaom v3.8.2 release candidate 1 is available. The release tag is v3.8.2-rc1. Your

Mar 11

Haseeb Abdul Qadir, Marco Paniconi11

Mar 4

AOME_SET_ACTIVEMAP clarification

Hi Marco, The latest patchset (16) fixes the corruption problem I was seeing when using active maps

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AOME_SET_ACTIVEMAP clarification

Hi Marco, The latest patchset (16) fixes the corruption problem I was seeing when using active maps

Mar 4

gavin zhang

Feb 19

Does anyone know the formula between DC/AC and Q index for AV1

I am really curious about the formula between DC/AC and Q index for AV1. Does anyone know the details

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Does anyone know the formula between DC/AC and Q index for AV1

I am really curious about the formula between DC/AC and Q index for AV1. Does anyone know the details

Feb 19

Yannis Guyon

Feb 15

libavif v1.0.4 release

Hello everyone, libavif v1.0.4 has been released. The source code of the release can be checked out

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libavif v1.0.4 release

Hello everyone, libavif v1.0.4 has been released. The source code of the release can be checked out

Feb 15

Wan-Teh Chang

Jan 19

libaom v3.8.1 Released

Hello everyone, libaom v3.8.1 has been released. This is a bug-fix patch release for libaom v3.8.0.

unread,

libaom v3.8.1 Released

Hello everyone, libaom v3.8.1 has been released. This is a bug-fix patch release for libaom v3.8.0.

Jan 19

Wan-Teh Chang

Jan 19

libaom v3.7.2 Released

Hello everyone, libaom v3.7.2 has been released. This is a bug-fix patch release for libaom v3.7.0.

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libaom v3.7.2 Released

Hello everyone, libaom v3.7.2 has been released. This is a bug-fix patch release for libaom v3.7.0.

Jan 19

Wan-Teh Chang

Jan 17

libaom v3.8.1 release candidate 1

Hi everyone, libaom v3.8.1 release candidate 1 is available. The release tag is v3.8.1-rc1. Your

unread,

libaom v3.8.1 release candidate 1

Hi everyone, libaom v3.8.1 release candidate 1 is available. The release tag is v3.8.1-rc1. Your

Jan 17

Wan-Teh Chang

Jan 17

libaom v3.7.2 release candidate 1

Hi everyone, libaom v3.7.2 release candidate 1 is available. The release tag is v3.7.2-rc1. Your

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libaom v3.7.2 release candidate 1

Hi everyone, libaom v3.7.2 release candidate 1 is available. The release tag is v3.7.2-rc1. Your

Jan 17

Akram

Jan 6

A AV1 bitstream viewer GUI

Hi, I would like to share a browser-based AV1 bitstream viewer app. Just upload the raw file and the

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A AV1 bitstream viewer GUI

Hi, I would like to share a browser-based AV1 bitstream viewer app. Just upload the raw file and the

Jan 6

Haseeb Abdul Qadir, James Zern4

12/20/23

'illegal Instruction' in release builds when compiling with 'Visual Studio 17 2022'

On Wed, Dec 20, 2023 at 10:41 AM Haseeb Abdul Qadir <has...@jumpdesktop.com> wrote: > The

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'illegal Instruction' in release builds when compiling with 'Visual Studio 17 2022'

On Wed, Dec 20, 2023 at 10:41 AM Haseeb Abdul Qadir <has...@jumpdesktop.com> wrote: > The

12/20/23

Wan-Teh Chang

12/6/23

libaom v3.8.0 Jelly Bee Released

libaom v3.8.0 Jelly Bee has been released. The source code of the release can be checked out from the

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libaom v3.8.0 Jelly Bee Released

libaom v3.8.0 Jelly Bee has been released. The source code of the release can be checked out from the

12/6/23

Wan-Teh Chang

12/4/23

libavif v1.0.3 release

Hello everyone, libavif v1.0.3 has been released to fix a critical bug. The source code of the

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libavif v1.0.3 release

Hello everyone, libavif v1.0.3 has been released to fix a critical bug. The source code of the

12/4/23

Wan-Teh Chang

12/1/23

libaom v3.8.0 release candidate 1

Hi everyone, libaom v3.8.0 release candidate 1 is tagged with v3.8.0-rc1. Your testing is greatly

unread,

libaom v3.8.0 release candidate 1

Hi everyone, libaom v3.8.0 release candidate 1 is tagged with v3.8.0-rc1. Your testing is greatly

12/1/23

Wan-Teh Chang

11/20/23

libaom v3.7.1 Released

Hello everyone, libaom v3.7.1 has been released. This is a bug-fix patch release for libaom v3.7.0.

unread,

libaom v3.7.1 Released

Hello everyone, libaom v3.7.1 has been released. This is a bug-fix patch release for libaom v3.7.0.

11/20/23

Wan-Teh Chang2

11/16/23

libavif v1.0.2 release

[There was a typo in the last message. This is the corrected version.] Hello everyone, libavif v1.0.2

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libavif v1.0.2 release

[There was a typo in the last message. This is the corrected version.] Hello everyone, libavif v1.0.2

11/16/23

Aryan Pingle, Wan-Teh Chang4

10/21/23

Squoosh Implementation of AVIF

Hi Aryan, Yes, the AVIF_CHROMA_DOWNSAMPLING_SHARP_YUV option requires that libavif be built with the

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Squoosh Implementation of AVIF

Hi Aryan, Yes, the AVIF_CHROMA_DOWNSAMPLING_SHARP_YUV option requires that libavif be built with the

10/21/23

Jerome Jiang

8/31/23

libaom v3.7.0 Iron Bark Released

Hello everyone, libaom v3.7.0 Iron Bark has been released. The source code of the release can be

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libaom v3.7.0 Iron Bark Released

Hello everyone, libaom v3.7.0 Iron Bark has been released. The source code of the release can be

8/31/23

Wan-Teh Chang

8/29/23

libavif v1.0.1 release

Hello everyone, libavif v1.0.1 has been released to fix a compilation error of the AVIF gdk-pixbuf

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libavif v1.0.1 release

Hello everyone, libavif v1.0.1 has been released to fix a compilation error of the AVIF gdk-pixbuf

8/29/23

Wan-Teh Chang

8/28/23

libavif v1.0.0 release

Hello everyone, libavif v1.0.0 has been released. The source code of the release can be checked out

unread,

libavif v1.0.0 release

Hello everyone, libavif v1.0.0 has been released. The source code of the release can be checked out

8/28/23

Jerome Jiang

8/25/23

libaom v3.7.0 release candidate 3

Hi everyone, libaom v3.7.0 release candidate 3 is tagged with v3.7.0-rc3. Your testing is greatly

unread,

libaom v3.7.0 release candidate 3

Hi everyone, libaom v3.7.0 release candidate 3 is tagged with v3.7.0-rc3. Your testing is greatly

8/25/23

Jerome Jiang

8/21/23

libaom v3.7.0 release candidate 2

Hi everyone, libaom v3.7.0 release candidate 2 is tagged with v3.7.0-rc2. Your testing is greatly

unread,

libaom v3.7.0 release candidate 2

Hi everyone, libaom v3.7.0 release candidate 2 is tagged with v3.7.0-rc2. Your testing is greatly

8/21/23

Jerome Jiang

8/15/23

libaom v3.7.0 release candidate 1

Hi everyone, libaom v3.7.0 release candidate 1 is tagged with v3.7.0-rc1. Your testing is greatly

unread,

libaom v3.7.0 release candidate 1

Hi everyone, libaom v3.7.0 release candidate 1 is tagged with v3.7.0-rc1. Your testing is greatly

8/15/23

Wan-Teh Chang

5/10/23

libaom v3.6.1 Released

Hello everyone, libaom v3.6.1 has been released. This is a bug-fix patch release for libaom v3.6.0. A

unread,

libaom v3.6.1 Released

Hello everyone, libaom v3.6.1 has been released. This is a bug-fix patch release for libaom v3.6.0. A

5/10/23

Wan-Teh Chang

5/9/23

libaom v3.6.1 release candidate 2

libaom v3.6.1 release candidate 2 is available. The release tag is v3.6.1-rc2. Your testing will be

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libaom v3.6.1 release candidate 2

libaom v3.6.1 release candidate 2 is available. The release tag is v3.6.1-rc2. Your testing will be

5/9/23

Jean-Baptiste Kempf

5/6/23

dav1d 1.2.0 release

Hello folks, We've released dav1d 1.2.0, the fast cross-platform AV1 software decoder. Since the

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dav1d 1.2.0 release

Hello folks, We've released dav1d 1.2.0, the fast cross-platform AV1 software decoder. Since the

5/6/23

Wan-Teh Chang

5/5/23

libaom v3.6.1 release candidate 1

Hi everyone, libaom v3.6.1 release candidate 1 is available. The release tag is v3.6.1-rc1. Your

unread,

libaom v3.6.1 release candidate 1

Hi everyone, libaom v3.6.1 release candidate 1 is available. The release tag is v3.6.1-rc1. Your

5/5/23

Wan-Teh Chang, Roberto Oliveira2

3/26/23

libaom v3.6.0 Helia Released

Hello Mr. Wan Teh Chang. I Would like to compliment all the work with AV1 format, and AVIF and

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libaom v3.6.0 Helia Released

Hello Mr. Wan Teh Chang. I Would like to compliment all the work with AV1 format, and AVIF and

3/26/23