AV1 Discussion

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

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Olzhas Alexandrov, … Converter18

11 ene

PNG to AVIF results in larger file size w/ slower speed

This looks more like an encoder behavior than a real bug. With AVIF, a lower speed value does not

no leída,

PNG to AVIF results in larger file size w/ slower speed

This looks more like an encoder behavior than a real bug. With AVIF, a lower speed value does not

11 ene

Gabe Kontros

1 ene

Lossy compression faster than fourier transform based methods at similar ratios.

I'm not sure how this discussion page works. I've made a lossy compression algorithm that

no leída,

Lossy compression faster than fourier transform based methods at similar ratios.

I'm not sure how this discussion page works. I've made a lossy compression algorithm that

1 ene

keys...@keys.openpgp.org

29/12/25

Your key upload on keys.openpgp.org

Hi, This is an automated message from keys.openpgp.org. If you didn't upload your key there,

no leída,

Your key upload on keys.openpgp.org

Hi, This is an automated message from keys.openpgp.org. If you didn't upload your key there,

29/12/25

Haseeb Abdul Qadir, Marco Paniconi4

11/11/25

Active map regions skipped when zero-MV heuristic triggers in real-time encodes

Great, the patch is uploaded here: https://aomedia-review.googlesource.com/c/aom/+/204421 On Tue, Nov

no leída,

Active map regions skipped when zero-MV heuristic triggers in real-time encodes

Great, the patch is uploaded here: https://aomedia-review.googlesource.com/c/aom/+/204421 On Tue, Nov

11/11/25

Sungjoon Moon, Pierre-Anthony Lemieux2

9/9/25

Argon stream download link is not working anymore

The links at [1] have been updated. [1] https://aomedia.org/av1-video-decoder-verification-tool/ On

no leída,

Argon stream download link is not working anymore

The links at [1] have been updated. [1] https://aomedia.org/av1-video-decoder-verification-tool/ On

9/9/25

Wan-Teh Chang

3/9/25

libaom v3.13.0 Opaline Released

libaom v3.13.0 Opaline has been released. The source code of the release can be checked out from the

no leída,

libaom v3.13.0 Opaline Released

libaom v3.13.0 Opaline has been released. The source code of the release can be checked out from the

3/9/25

Wan-Teh Chang

28/8/25

libaom v3.13.0 release candidate 1

Hi everyone, libaom v3.13.0 release candidate 1 is available. The release tag is v3.13.0-rc1. Your

no leída,

libaom v3.13.0 release candidate 1

Hi everyone, libaom v3.13.0 release candidate 1 is available. The release tag is v3.13.0-rc1. Your

28/8/25

Foto del perfil de JesusGod-Pope666.Info

JesusGod-Pope666.Info, James Zern8

11/8/25

Hi there.

On Sun, Aug 10, 2025 at 2:46 PM JesusGod-Pope666.Info <paven...@gmail.com> wrote: So

no leída,

Hi there.

On Sun, Aug 10, 2025 at 2:46 PM JesusGod-Pope666.Info <paven...@gmail.com> wrote: So

11/8/25

klaus zhang, Marco Paniconi3

5/6/25

Is this a right way to acheive LTR in av1

Thanks for your reply! I've applied the new code 1. patch you uploaded 2. change cpu speed from 9

no leída,

Is this a right way to acheive LTR in av1

Thanks for your reply! I've applied the new code 1. patch you uploaded 2. change cpu speed from 9

5/6/25

klaus zhang, Marco Paniconi6

30/5/25

How can I implement the long time reference mechanism for AV1 in RTC mode?

Thank you so much! It works now. On Friday, May 30, 2025 at 6:11:42 AM UTC+8 Marco Paniconi wrote:

no leída,

How can I implement the long time reference mechanism for AV1 in RTC mode?

Thank you so much! It works now. On Friday, May 30, 2025 at 6:11:42 AM UTC+8 Marco Paniconi wrote:

30/5/25

Wan-Teh Chang

9/5/25

libavif v1.3.0 release

Hello everyone, libavif v1.3.0 has been released. The source code of the release can be checked out

no leída,

libavif v1.3.0 release

Hello everyone, libavif v1.3.0 has been released. The source code of the release can be checked out

9/5/25

Aaron Franke, Aous Naman2

1/5/25

Multi-dimensional image format

Hi Aaron, For volumetric data, JPEG 2000 offers two coding solutions, these being 1) Multi-Component

no leída,

Multi-dimensional image format

Hi Aaron, For volumetric data, JPEG 2000 offers two coding solutions, these being 1) Multi-Component

1/5/25

Liat Hoffman

16/4/25

Offer: Free Hosting and Compute for Alliance for Open Media — Powered by DevOpser

Hi OAM Technical Steering Committee, Nirav Patel, CTO of Linux Foundation let me know that I should

no leída,

Offer: Free Hosting and Compute for Alliance for Open Media — Powered by DevOpser

Hi OAM Technical Steering Committee, Nirav Patel, CTO of Linux Foundation let me know that I should

16/4/25

Wan-Teh Chang

14/4/25

libaom v3.12.1 Released

Hello everyone, libaom v3.12.1 has been released. This is a bug-fix patch release for libaom v3.12.0.

no leída,

libaom v3.12.1 Released

Hello everyone, libaom v3.12.1 has been released. This is a bug-fix patch release for libaom v3.12.0.

14/4/25

Wan-Teh Chang

11/4/25

libaom v3.12.1 release candidate 1

Hi everyone, libaom v3.12.1 release candidate 1 is available. The release tag is v3.12.1-rc1. Your

no leída,

libaom v3.12.1 release candidate 1

Hi everyone, libaom v3.12.1 release candidate 1 is available. The release tag is v3.12.1-rc1. Your

11/4/25

Yannis Guyon

18/3/25

libavif v1.2.1 release

Hello everyone, libavif v1.2.1 has been released. The source code of the release can be checked out

no leída,

libavif v1.2.1 release

Hello everyone, libavif v1.2.1 has been released. The source code of the release can be checked out

18/3/25

Wan-Teh Chang

10/2/25

libaom v3.12.0 North Star Released

libaom v3.12.0 North Star has been released. The source code of the release can be checked out from

no leída,

libaom v3.12.0 North Star Released

libaom v3.12.0 North Star has been released. The source code of the release can be checked out from

10/2/25

Pablo De Chiaro R., … Wan-Teh Chang3

8/2/25

aomenc 3.11.0-149-gd032a4f339 - partition debug

On Fri, Feb 7, 2025 at 11:30 AM 'James Zern' via AV1 Discussion <av1-d...@aomedia.org

no leída,

aomenc 3.11.0-149-gd032a4f339 - partition debug

On Fri, Feb 7, 2025 at 11:30 AM 'James Zern' via AV1 Discussion <av1-d...@aomedia.org

8/2/25

Wan-Teh Chang

7/2/25

libaom v3.12.0 release candidate 1

Hi everyone, libaom v3.12.0 release candidate 1 is available. The release tag is v3.12.0-rc1. Your

no leída,

libaom v3.12.0 release candidate 1

Hi everyone, libaom v3.12.0 release candidate 1 is available. The release tag is v3.12.0-rc1. Your

7/2/25

Jerome Jiang

14/11/24

libaom v3.11.0 Minty Released

libaom v3.11.0 Minty has been released. The source code of the release can be checked out from the

no leída,

libaom v3.11.0 Minty Released

libaom v3.11.0 Minty has been released. The source code of the release can be checked out from the

14/11/24

Jerome Jiang

31/10/24

libaom v3.11.0 release candidate 1

Hi everyone, libaom v3.11.0 release candidate 1 is available. The release tag is v3.11.0-rc1. Your

no leída,

libaom v3.11.0 release candidate 1

Hi everyone, libaom v3.11.0 release candidate 1 is available. The release tag is v3.11.0-rc1. Your

31/10/24

Haseeb Abdul Qadir, Marco Paniconi6

15/10/24

VBR encoding fails to adapt QP, causing overshoots with Screen Content + Speed 11 + AQ Cyclical Refresh

Hi Marco, I tested it and I can confirm that your fix is working great. I can no longer reproduce the

no leída,

VBR encoding fails to adapt QP, causing overshoots with Screen Content + Speed 11 + AQ Cyclical Refresh

Hi Marco, I tested it and I can confirm that your fix is working great. I can no longer reproduce the

15/10/24

Wan-Teh Chang

29/8/24

libaom v3.10.0 Luna Released

libaom v3.10.0 Luna has been released. The source code of the release can be checked out from the git

no leída,

libaom v3.10.0 Luna Released

libaom v3.10.0 Luna has been released. The source code of the release can be checked out from the git

29/8/24

Wan-Teh Chang

26/8/24

libaom v3.10.0 release candidate 1

Hi everyone, libaom v3.10.0 release candidate 1 is available. The release tag is v3.10.0-rc1. Your

no leída,

libaom v3.10.0 release candidate 1

Hi everyone, libaom v3.10.0 release candidate 1 is available. The release tag is v3.10.0-rc1. Your

26/8/24

Haseeb Abdul Qadir, Marco Paniconi2

12/8/24

Libaom: Crash in estimate_scroll_motion when bit depth = 10bit

Hi Haseeb, Thanks for the testing and finding this issue. Quick fix is uploaded here: https://aomedia

no leída,

Libaom: Crash in estimate_scroll_motion when bit depth = 10bit

Hi Haseeb, Thanks for the testing and finding this issue. Quick fix is uploaded here: https://aomedia

12/8/24

Wan-Teh Chang

30/7/24

libavif v1.1.1 release

Hello everyone, libavif v1.1.1 has been released. The source code of the release can be checked out

no leída,

libavif v1.1.1 release

Hello everyone, libavif v1.1.1 has been released. The source code of the release can be checked out

30/7/24

Wan-Teh Chang

15/7/24

libavif v1.1.0 release

Hello everyone, libavif v1.1.0 has been released. The source code of the release can be checked out

no leída,

libavif v1.1.0 release

Hello everyone, libavif v1.1.0 has been released. The source code of the release can be checked out

15/7/24

Sachin Pandhare, James Zern2

26/6/24

Query about AV1CodecConfigurationRecord in mp4

Hi, On Wed, Jun 26, 2024 at 8:17 AM Sachin Pandhare <sachinp...@gmail.com> wrote: We are

no leída,

Query about AV1CodecConfigurationRecord in mp4

Hi, On Wed, Jun 26, 2024 at 8:17 AM Sachin Pandhare <sachinp...@gmail.com> wrote: We are

26/6/24

James Zern2

13/6/24

AOMedia Issue Tracker migration starts now

This is complete. The new tracker is live at https://aomedia.issues.chromium.org/. Old bug links will

no leída,

AOMedia Issue Tracker migration starts now

This is complete. The new tracker is live at https://aomedia.issues.chromium.org/. Old bug links will

13/6/24

Wan-Teh Chang

11/6/24

libaom v3.8.3 Released

Hello everyone, libaom v3.8.3 has been released. This is a bug-fix patch release for libaom v3.8.0.

no leída,

libaom v3.8.3 Released

Hello everyone, libaom v3.8.3 has been released. This is a bug-fix patch release for libaom v3.8.0.

11/6/24