AV1 Discussion

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

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Wan-Teh Chang

Nov 20

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.

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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.

Nov 20

Wan-Teh Chang2

Nov 16

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

Nov 16

Aryan Pingle, Wan-Teh Chang4

Oct 21

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

Oct 21

Jerome Jiang

Aug 31

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

Aug 31

Wan-Teh Chang

Aug 29

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

Aug 29

Wan-Teh Chang

Aug 28

libavif v1.0.0 release

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

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libavif v1.0.0 release

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

Aug 28

Jerome Jiang

Aug 25

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

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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

Aug 25

Jerome Jiang

Aug 21

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

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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

Aug 21

Jerome Jiang

Aug 15

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

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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

Aug 15

Wan-Teh Chang

May 10

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

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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

May 10

Wan-Teh Chang

May 9

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

May 9

Jean-Baptiste Kempf

May 6

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

May 6

Wan-Teh Chang

May 5

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

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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

May 5

Wan-Teh Chang, Roberto Oliveira2

Mar 26

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

Mar 26

klaus zhang

Feb 16

Does AV1 support LTR(long time reference) ?

hi,everybody, Does AV1 support LTR(long time reference) ?

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Does AV1 support LTR(long time reference) ?

hi,everybody, Does AV1 support LTR(long time reference) ?

Feb 16

Wan-Teh Chang

Feb 3

libaom v3.6.0 release candidate 3

Hi everyone, libaom v3.6.0 release candidate 3 is available. The release tag is v3.6.0-rc3. Your

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libaom v3.6.0 release candidate 3

Hi everyone, libaom v3.6.0 release candidate 3 is available. The release tag is v3.6.0-rc3. Your

Feb 3

Wan-Teh Chang

Jan 23

ibaom v3.6.0 release candidate 2

Hi everyone, libaom v3.6.0 release candidate 2 is available. The release tag is v3.6.0-rc2. Your

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ibaom v3.6.0 release candidate 2

Hi everyone, libaom v3.6.0 release candidate 2 is available. The release tag is v3.6.0-rc2. Your

Jan 23

Wan-Teh Chang

Jan 18

libaom v3.6.0 release candidate 1

Hi everyone, libaom v3.6.0 release candidate 1 is available. The release tag is v3.6.0-rc1. Your

unread,

libaom v3.6.0 release candidate 1

Hi everyone, libaom v3.6.0 release candidate 1 is available. The release tag is v3.6.0-rc1. Your

Jan 18

klaus zhang, James Zern3

12/20/22

Can SCC(Screen content code) be enabled in CONFIG_REALTIME_ONLY building ?

thanks for your reply.yes,it really can enable scc in WebRTC. 在2022年12月8日星期四 UTC+8 04:28:03<jz...@

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Can SCC(Screen content code) be enabled in CONFIG_REALTIME_ONLY building ?

thanks for your reply.yes,it really can enable scc in WebRTC. 在2022年12月8日星期四 UTC+8 04:28:03<jz...@

12/20/22

Ivan Rosales

11/30/22

Is there a portable __declspec(selectany) ?

I'm trying to get rid of duplicate data in av1/common/common_data.h by moving some of the array

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Is there a portable __declspec(selectany) ?

I'm trying to get rid of duplicate data in av1/common/common_data.h by moving some of the array

11/30/22

unrealtechno

11/25/22

Re: [av1-discuss] Digest for av1-discuss@aomedia.org - 1 update in 1 topic

Just fuсking do it. Do things not from your personal name rather from a business that can deal with

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Re: [av1-discuss] Digest for av1-discuss@aomedia.org - 1 update in 1 topic

Just fuсking do it. Do things not from your personal name rather from a business that can deal with

11/25/22

kwang son

11/24/22

AV1 allowed open-source hardware(RTL)?

Hi all, I hope this is right place to ask. I'm interested in DSP hardware and want to open it as

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AV1 allowed open-source hardware(RTL)?

Hi all, I hope this is right place to ask. I'm interested in DSP hardware and want to open it as

11/24/22

unrealtechno

11/12/22

Best CPUs/GPUs for SVT-AV1 ?

Which are the best CPUs /GPUs for SVT-AV1? I think this is the best quality/file size/stream rate

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Best CPUs/GPUs for SVT-AV1 ?

Which are the best CPUs /GPUs for SVT-AV1? I think this is the best quality/file size/stream rate

11/12/22

Olzhas Alexandrov, … James Zern17

11/11/22

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

On Fri, Nov 4, 2022 at 11:23 PM Olzhas Alexandrov <olzhas.a...@gmail.com> wrote: Jing,

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

On Fri, Nov 4, 2022 at 11:23 PM Olzhas Alexandrov <olzhas.a...@gmail.com> wrote: Jing,

11/11/22

Ivan Rosales, James Zern2

11/9/22

Tip of tree chrome build error on Windows

Hi, On Wed, Nov 9, 2022 at 9:54 AM 'Ivan Rosales' via AV1 Discussion <av1-discuss@aomedia.

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Tip of tree chrome build error on Windows

Hi, On Wed, Nov 9, 2022 at 9:54 AM 'Ivan Rosales' via AV1 Discussion <av1-discuss@aomedia.

11/9/22

Junhui Liang, James Zern8

10/23/22

Does any one know what is the quantize_b in aom av1 encoder?

Thanks a lot for your reply! 在2022年10月22日星期六 UTC+8 04:58:28<jz...@google.com> 写道： On Wed, Oct

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Does any one know what is the quantize_b in aom av1 encoder?

Thanks a lot for your reply! 在2022年10月22日星期六 UTC+8 04:58:28<jz...@google.com> 写道： On Wed, Oct

10/23/22

Wan-Teh Chang

10/20/22

libavif v0.11.1 release

Hello everyone, libavif v0.11.1 has been released. The source code of the release can be checked out

unread,

libavif v0.11.1 release

Hello everyone, libavif v0.11.1 has been released. The source code of the release can be checked out

10/20/22

Wan-Teh Chang

10/14/22

libavif v0.11.0 release

Hello everyone, libavif v0.11.0 has been released. The source code of the release can be checked out

unread,

libavif v0.11.0 release

Hello everyone, libavif v0.11.0 has been released. The source code of the release can be checked out

10/14/22

Wan-Teh Chang

10/12/22

libavif v0.11.0 release candidate 1

Hello everyone, libavif v0.11.0 release candidate 1 is now available for testing. The source code of

unread,

libavif v0.11.0 release candidate 1

Hello everyone, libavif v0.11.0 release candidate 1 is now available for testing. The source code of

10/12/22

annie xu, Cheng Chen3

10/11/22

Please help with the cnn method used in the av1_rd_pick_partition process, thanks

Thank you very much for your reply. 在2022年10月10日星期一 UTC+8 14:47:42<chen...@google.com> 写道： This

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Please help with the cnn method used in the av1_rd_pick_partition process, thanks

Thank you very much for your reply. 在2022年10月10日星期一 UTC+8 14:47:42<chen...@google.com> 写道： This

10/11/22