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, 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

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

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

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

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

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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

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

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

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

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

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

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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

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

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

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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

9/26/22

aomedia-review.googlesource.com account visibility changes

A change will be rolling out today that will restrict registered / logged in users from adding

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aomedia-review.googlesource.com account visibility changes

A change will be rolling out today that will restrict registered / logged in users from adding

9/26/22

Wan-Teh Chang, Roberto Oliveira2

9/24/22

libavif v0.10.1 release

Congratulations, The AV1 format is very promising. It is the format with the best potential for the

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libavif v0.10.1 release

Congratulations, The AV1 format is very promising. It is the format with the best potential for the

9/24/22

9/21/22

libaom v3.5.0 Gladmane Released

Hello everyone, libaom v3.5.0 Gladmane has been released. The source code of the release can be

unread,

libaom v3.5.0 Gladmane Released

Hello everyone, libaom v3.5.0 Gladmane has been released. The source code of the release can be

9/21/22

annie xu, … James Zern7

9/6/22

Failed to build aom with VS2019.

On Mon, Sep 5, 2022 at 8:04 PM annie xu <annie....@gmail.com> wrote: Thank you very much

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Failed to build aom with VS2019.

On Mon, Sep 5, 2022 at 8:04 PM annie xu <annie....@gmail.com> wrote: Thank you very much

9/6/22

9/2/22

libaom v3.5.0 gladmane Release Candidate 1

Hi everyone, libaom v3.5.0 gladmane release candidate 1 is available. The release tag is v3.5.0-rc1.

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libaom v3.5.0 gladmane Release Candidate 1

Hi everyone, libaom v3.5.0 gladmane release candidate 1 is available. The release tag is v3.5.0-rc1.

9/2/22

Chris Cambly, … James Zern5

8/25/22

aom on big endian systems

Thanks, I will try out the suggestions and report back. On Aug 24, 2022, at 10:00 PM, 'James Zern

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aom on big endian systems

Thanks, I will try out the suggestions and report back. On Aug 24, 2022, at 10:00 PM, 'James Zern

8/25/22

Junhui Liang, James Zern3

8/9/22

Can tileWidthSb be equal to maxTileWidthSb ?

Thanks for your reply. I created this issue: https://bugs.chromium.org/p/aomedia/issues/detail?id=

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Can tileWidthSb be equal to maxTileWidthSb ?

Thanks for your reply. I created this issue: https://bugs.chromium.org/p/aomedia/issues/detail?id=

8/9/22

Marian Aldescu, James Zern3

8/5/22

AOM decoder output buffers & bit depth

Hi James, " [...] they create invalid intermediate pointers and aren't really necessary.

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AOM decoder output buffers & bit depth

Hi James, " [...] they create invalid intermediate pointers and aren't really necessary.

8/5/22

8/1/22

MIPS optimizations

Just FYI, I'm proposing to delete the MSA/DSPR2 configurations in https://crbug.com/aomedia/3305.

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MIPS optimizations

Just FYI, I'm proposing to delete the MSA/DSPR2 configurations in https://crbug.com/aomedia/3305.

8/1/22

Guddla Rupesh, James Zern4

7/8/22

playing av1 converted media files in android.

Hi, On Sat, Jul 2, 2022 at 5:11 AM Guddla Rupesh <rupes...@gmail.com> wrote: I have two

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playing av1 converted media files in android.

Hi, On Sat, Jul 2, 2022 at 5:11 AM Guddla Rupesh <rupes...@gmail.com> wrote: I have two

7/8/22

6/17/22

libaom v3.4.0 Fluttershy Released

Hello everyone, libaom v3.4.0 Fluttershy has been released. The source code of the release can be

unread,

libaom v3.4.0 Fluttershy Released

Hello everyone, libaom v3.4.0 Fluttershy has been released. The source code of the release can be

6/17/22

6/15/22

libaom v3.4.0 release candidate 2

Hi everyone, libaom v3.4.0 release candidate 2 is available. The release tag is v3.4.0-rc2. I expect

unread,

libaom v3.4.0 release candidate 2

Hi everyone, libaom v3.4.0 release candidate 2 is available. The release tag is v3.4.0-rc2. I expect

6/15/22

6/6/22

libaom v3.4.0 release candidate 1

Hi everyone, libaom v3.4.0 release candidate 1 is available. The release tag is v3.4.0-rc1. Your

unread,

libaom v3.4.0 release candidate 1

Hi everyone, libaom v3.4.0 release candidate 1 is available. The release tag is v3.4.0-rc1. Your

6/6/22

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