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AV1 Discussion
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AV1 Discussion
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Public Discussion of the
Alliance for Open Media
's
AV1
┬аVideo Codec.
Subscribers have un-moderated access and their posts appear immediately.
Posts by non-subscribers will be queued for moderation.
рд╕рднреА рдХреЛ рдкреЭреЗ рдЧрдП рдХреЗ рд░реВрдк рдореЗрдВ рдЪрд┐рд╣реНрдирд┐рдд рдХрд░реЗрдВ
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0 рдЪреБрдирд╛ рдЧрдпрд╛
Wan-Teh Chang
4 рдорд╛рд░реНрдЪ
libavif v1.4.0 release
Hello everyone, libavif v1.4.0 has been released. The source code of the release can be checked out
рдирд╣реАрдВ рдкрдврд╝реА рдЧрдИ,
libavif v1.4.0 release
Hello everyone, libavif v1.4.0 has been released. The source code of the release can be checked out
4 рдорд╛рд░реНрдЪ
Alexander Karlstad
,┬а
James Zern
2
17 рдлрд╝рд░ре░
Image parse error
On Tue, Feb 17, 2026 at 10:15 AM Alexander Karlstad <alexander...@gmail.com> wrote: Hi
рдирд╣реАрдВ рдкрдврд╝реА рдЧрдИ,
Image parse error
On Tue, Feb 17, 2026 at 10:15 AM Alexander Karlstad <alexander...@gmail.com> wrote: Hi
17 рдлрд╝рд░ре░
Olzhas Alexandrov
,┬атАж┬а
Converter
18
11 рдЬрдире░
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
рдирд╣реАрдВ рдкрдврд╝реА рдЧрдИ,
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 рдЬрдире░
Gabe Kontros
1 рдЬрдире░
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
рдирд╣реАрдВ рдкрдврд╝реА рдЧрдИ,
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 рдЬрдире░
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,
рдирд╣реАрдВ рдкрдврд╝реА рдЧрдИ,
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
,┬а
Marco Paniconi
4
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
рдирд╣реАрдВ рдкрдврд╝реА рдЧрдИ,
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
,┬а
Pierre-Anthony Lemieux
2
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
рдирд╣реАрдВ рдкрдврд╝реА рдЧрдИ,
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
рдирд╣реАрдВ рдкрдврд╝реА рдЧрдИ,
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
рдирд╣реАрдВ рдкрдврд╝реА рдЧрдИ,
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
JesusGod-Pope666.Info
,┬а
James Zern
8
11/8/25
Hi there.
On Sun, Aug 10, 2025 at 2:46 PM JesusGod-Pope666.Info <paven...@gmail.com> wrote: So
рдирд╣реАрдВ рдкрдврд╝реА рдЧрдИ,
Hi there.
On Sun, Aug 10, 2025 at 2:46 PM JesusGod-Pope666.Info <paven...@gmail.com> wrote: So
11/8/25
klaus zhang
,┬а
Marco Paniconi
3
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
рдирд╣реАрдВ рдкрдврд╝реА рдЧрдИ,
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
,┬а
Marco Paniconi
6
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:
рдирд╣реАрдВ рдкрдврд╝реА рдЧрдИ,
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
рдирд╣реАрдВ рдкрдврд╝реА рдЧрдИ,
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
,┬а
Aous Naman
2
1/5/25
Multi-dimensional image format
Hi Aaron, For volumetric data, JPEG 2000 offers two coding solutions, these being 1) Multi-Component
рдирд╣реАрдВ рдкрдврд╝реА рдЧрдИ,
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 тАФ Powered by DevOpser
Hi OAM Technical Steering Committee, Nirav Patel, CTO of Linux Foundation let me know that I should
рдирд╣реАрдВ рдкрдврд╝реА рдЧрдИ,
Offer: Free Hosting and Compute for Alliance for Open Media тАФ 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.
рдирд╣реАрдВ рдкрдврд╝реА рдЧрдИ,
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
рдирд╣реАрдВ рдкрдврд╝реА рдЧрдИ,
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
рдирд╣реАрдВ рдкрдврд╝реА рдЧрдИ,
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
рдирд╣реАрдВ рдкрдврд╝реА рдЧрдИ,
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.
,┬атАж┬а
Wan-Teh Chang
3
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
рдирд╣реАрдВ рдкрдврд╝реА рдЧрдИ,
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
рдирд╣реАрдВ рдкрдврд╝реА рдЧрдИ,
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
рдирд╣реАрдВ рдкрдврд╝реА рдЧрдИ,
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
рдирд╣реАрдВ рдкрдврд╝реА рдЧрдИ,
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
,┬а
Marco Paniconi
6
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
рдирд╣реАрдВ рдкрдврд╝реА рдЧрдИ,
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
рдирд╣реАрдВ рдкрдврд╝реА рдЧрдИ,
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
рдирд╣реАрдВ рдкрдврд╝реА рдЧрдИ,
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
,┬а
Marco Paniconi
2
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
рдирд╣реАрдВ рдкрдврд╝реА рдЧрдИ,
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
рдирд╣реАрдВ рдкрдврд╝реА рдЧрдИ,
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
рдирд╣реАрдВ рдкрдврд╝реА рдЧрдИ,
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
,┬а
James Zern
2
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
рдирд╣реАрдВ рдкрдврд╝реА рдЧрдИ,
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