AV1 Discussion

1–30 of 58

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

Subscribers have un-moderated access and their posts appear immediately.

Posts by non-subscribers will be queued for moderation.

0 selected

Junhui Liang, James Zern3

Aug 9

Can tileWidthSb be equal to maxTileWidthSb ?

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

unread,

Can tileWidthSb be equal to maxTileWidthSb ?

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

Aug 9

Marian Aldescu, James Zern3

Aug 5

AOM decoder output buffers & bit depth

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

unread,

AOM decoder output buffers & bit depth

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

Aug 5

Aug 1

MIPS optimizations

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

unread,

MIPS optimizations

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

Aug 1

Guddla Rupesh, James Zern4

Jul 8

playing av1 converted media files in android.

Hi, On Sat, Jul 2, 2022 at 5:11 AM Guddla Rupesh <rupeshforu3@gmail.com> wrote: I have two

unread,

playing av1 converted media files in android.

Hi, On Sat, Jul 2, 2022 at 5:11 AM Guddla Rupesh <rupeshforu3@gmail.com> wrote: I have two

Jul 8

Jun 17

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

Jun 17

Jun 15

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

Jun 15

Jun 6

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

Jun 6

Eyal Frishman IL, … James Zern4

May 31

Looking for the best way to debug a corrupted AV1 bitstream

Hi Eyal, On Sun, May 29, 2022 at 7:06 AM Eyal Frishman <eyalfrish@gmail.com> wrote: Hi James,

unread,

Looking for the best way to debug a corrupted AV1 bitstream

Hi Eyal, On Sun, May 29, 2022 at 7:06 AM Eyal Frishman <eyalfrish@gmail.com> wrote: Hi James,

May 31

Apr 11

libavif v0.10.1 release

Hello everyone, libavif v0.10.1 has been released. The source code of the release can be checked out

unread,

libavif v0.10.1 release

Hello everyone, libavif v0.10.1 has been released. The source code of the release can be checked out

Apr 11

klaus zhang, James Zern4

Apr 8

test sets ( `rtc_derf ` and `rtc`) are not found at aom/test

On Fri, Apr 8, 2022 at 1:25 AM klaus zhang <aspling.zhang@gmail.com> wrote: Thanks for the

unread,

test sets ( `rtc_derf ` and `rtc`) are not found at aom/test

On Fri, Apr 8, 2022 at 1:25 AM klaus zhang <aspling.zhang@gmail.com> wrote: Thanks for the

Apr 8

Apr 6

libavif v0.10.0 release

Hello everyone, libavif v0.10.0 has been released. The source code of the release can be checked out

unread,

libavif v0.10.0 release

Hello everyone, libavif v0.10.0 has been released. The source code of the release can be checked out

Apr 6

Mar 18

Re: [webm-discuss] AOM Decoder Problem -- AOM_CODEC_UNSUP_BITSTREAM error

Hi, +AV1 Discussion On Tue, Mar 8, 2022 at 11:14 AM DC Dweller <dc_dweller@hotmail.com> wrote:

unread,

Re: [webm-discuss] AOM Decoder Problem -- AOM_CODEC_UNSUP_BITSTREAM error

Hi, +AV1 Discussion On Tue, Mar 8, 2022 at 11:14 AM DC Dweller <dc_dweller@hotmail.com> wrote:

Mar 18

Feb 16

libaom v3.3.0 Electric-Sky Finalized

Hi all, libaom v3.3.0 Electric-Sky is finalized. Below are the release notes. Thanks, Frank 2022-01-

unread,

libaom v3.3.0 Electric-Sky Finalized

Hi all, libaom v3.3.0 Electric-Sky is finalized. Below are the release notes. Thanks, Frank 2022-01-

Feb 16

Feb 1

libaom v3.3.0 release candidate 1

Hi everyone, libaom v3.3.0 release candidate 1 is available. The release tag is v3.3.0-rc1. Your

unread,

libaom v3.3.0 release candidate 1

Hi everyone, libaom v3.3.0 release candidate 1 is available. The release tag is v3.3.0-rc1. Your

Feb 1

Wan-Teh Chang, … klaus zhang7

Jan 13

libaom v3.2.0 Released

Fyodor,thanks for your warm reply,I will try to update libaom to v3.2.0 ASAP.Anyway ,Are the test

unread,

libaom v3.2.0 Released

Fyodor,thanks for your warm reply,I will try to update libaom to v3.2.0 ASAP.Anyway ,Are the test

Jan 13

klaus zhang, James Zern6

Jan 13

Speed up the AV1 encoding process

在2022年1月14日星期五 UTC+8 03:52:49<James Zern> 写道： On Thu, Jan 13, 2022 at 1:34 AM klaus zhang <

unread,

Speed up the AV1 encoding process

在2022年1月14日星期五 UTC+8 03:52:49<James Zern> 写道： On Thu, Jan 13, 2022 at 1:34 AM klaus zhang <

Jan 13

Rajeev Tiwari, James Zern4

11/5/21

‘temporal_group_temporal_switching_up_point_flag[i]’

Hi, On Wed, Nov 3, 2021 at 1:18 AM Rajeev Tiwari <idrajeev@gmail.com> wrote: Folks, one quick

unread,

‘temporal_group_temporal_switching_up_point_flag[i]’

Hi, On Wed, Nov 3, 2021 at 1:18 AM Rajeev Tiwari <idrajeev@gmail.com> wrote: Folks, one quick

11/5/21

10/20/21

libavif v0.9.3 release

Hello everyone, libavif v0.9.3 has been released. The source code of the release can be checked out

unread,

libavif v0.9.3 release

Hello everyone, libavif v0.9.3 has been released. The source code of the release can be checked out

10/20/21

Jan Beich, … James Zern10

10/18/21

[request] libaom official GitHub mirror

On Mon, Oct 18, 2021 at 5:04 PM Brad Smith <brad@comstyle.com> wrote: On 10/15/2021 10:08 PM,

unread,

[request] libaom official GitHub mirror

On Mon, Oct 18, 2021 at 5:04 PM Brad Smith <brad@comstyle.com> wrote: On 10/15/2021 10:08 PM,

10/18/21

10/13/21

libaom v3.2.0 release candidate 3

libaom v3.2.0 release candidate 3 is available. The release tag is v3.2.0-rc3. I expect this to be

unread,

libaom v3.2.0 release candidate 3

libaom v3.2.0 release candidate 3 is available. The release tag is v3.2.0-rc3. I expect this to be

10/13/21

Jason matis, Wan-Teh Chang3

10/13/21

AV1: Bit depth of a reference image query

Thank you Wan-Teh Chang. Appreciate it. On Mon, Oct 11, 2021 at 9:29 AM 'Wan-Teh Chang' via

unread,

AV1: Bit depth of a reference image query

Thank you Wan-Teh Chang. Appreciate it. On Mon, Oct 11, 2021 at 9:29 AM 'Wan-Teh Chang' via

10/13/21

10/11/21

libaom v3.2.0 release candidate 2

Hi everyone, libaom v3.2.0 release candidate 2 is available. The release tag is v3.2.0-rc2. Your

unread,

libaom v3.2.0 release candidate 2

Hi everyone, libaom v3.2.0 release candidate 2 is available. The release tag is v3.2.0-rc2. Your

10/11/21

10/7/21

libaom v3.2.0 release candidate 1

Hi everyone, libaom v3.2.0 release candidate 1 is available. The release tag is v3.2.0-rc1. Your

unread,

libaom v3.2.0 release candidate 1

Hi everyone, libaom v3.2.0 release candidate 1 is available. The release tag is v3.2.0-rc1. Your

10/7/21

10/5/21

libaom v3.1.3 Released

Hello everyone, libaom v3.1.3 has been released. The source code of the release can be checked out

unread,

libaom v3.1.3 Released

Hello everyone, libaom v3.1.3 has been released. The source code of the release can be checked out

10/5/21

9/30/21

libaom v3.1.3 release candidate 2

Hi everyone, libaom v3.1.3 release candidate 2 is available. The release tag is v3.1.3-rc2. Your

unread,

libaom v3.1.3 release candidate 2

Hi everyone, libaom v3.1.3 release candidate 2 is available. The release tag is v3.1.3-rc2. Your

9/30/21

9/29/21

libaom v3.1.3 release candidate 1

Hi everyone, libaom v3.1.3 release candidate 1 is available. The release tag is v3.1.3-rc1. Your

unread,

libaom v3.1.3 release candidate 1

Hi everyone, libaom v3.1.3 release candidate 1 is available. The release tag is v3.1.3-rc1. Your

9/29/21

8/24/21

Limitations for obtaining information on bit-depth

Good evening, Please let me know if you think AV1 specifications describe these limitations for

unread,

Limitations for obtaining information on bit-depth

Good evening, Please let me know if you think AV1 specifications describe these limitations for

8/24/21

Patrick Martin, Yunqing Wang3

8/10/21

Segfault in latest libaom release when running through FFMPEG

I did, also included what GDB outputs when it segfaults as well as a stacktrace. On Mon, Aug 9, 2021

unread,

Segfault in latest libaom release when running through FFMPEG

I did, also included what GDB outputs when it segfaults as well as a stacktrace. On Mon, Aug 9, 2021

8/10/21

Jean-Baptiste Kempf

8/1/21

dav1d 0.9.1 release

Dear AV1 folks, We just released dav1d 0.9.1, the AV1 decoder: https://code.videolan.org/videolan/

unread,

dav1d 0.9.1 release

Dear AV1 folks, We just released dav1d 0.9.1, the AV1 decoder: https://code.videolan.org/videolan/

8/1/21

7/30/21

Chroma from Luma for 4x4/4x8/8x4 PUs

I mean luma reconstructed pixels used for CFL prediction. On Friday, July 30, 2021 at 4:52:19 PM UTC-

unread,

Chroma from Luma for 4x4/4x8/8x4 PUs

I mean luma reconstructed pixels used for CFL prediction. On Friday, July 30, 2021 at 4:52:19 PM UTC-

7/30/21

Search

Clear search

Close search

Google apps

Main menu