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Section 4.1 says:
> An [AV1 Alpha Image Item](https://github.com/AOMediaCodec/av1-avif/issues/new#av1-alpha-image-item) (respectively an [AV1 Alpha Image Sequence](https://github.com/AOMediaCodec/a…
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The PSY fork of SVT-AV1 features a new --tune 4 which is designed to improve still picture (i.e. AVIF) encoding:
"--tune 4 - A new Tune called Still Picture has been introduced for AVIF encoding, w…
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### Feature Description
A option to select between aomenc or svt-av1-psy as a encoder for avif
### Technical Details
Tune 4 was added recently to svt-av1-psy which seems to improve quality for ima…
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Some of it might be shortcomings in the (web) decoder, but we need to take a more serious look at this. Meanwhile HDR/BT.2020 video should not be supported.
Firefox @ Mac on av1
![image](https://g…
Wumpf updated
1 month ago
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When trying to read animated AVIF file `Chimera-AV1-10bit-480x270.avif` from https://github.com/AOMediaCodec/av1-avif repository with `heif-info`, it fails with error:
```
$ heif-info Chimera-AV1-10…
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**Is your feature request related to a problem? Please describe.**
Too many social media platforms use JPG and h264, and greatly compressed JPG and h264 at that so, why can we not have AVIF and AV1…
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SVT encoder doesn't like odd image dimensions:
```
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SVT [version]: SVT-AV1 Encoder Lib v0.8.6
SVT [build] : GCC 9.3.0 64 bit
LIB Build date: J…
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I downloaded the zip archive just today, ran `install.bat` (it looked like everything downloaded correctly), and then put a video file (HEVC) into the `av1an-winscript\scripts\av1an-batch\input` direc…
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## Bug report
**Describe the bug**
I'm not sure if the bug is in libvips, libheif or libaom, but you got to start somewhere...
When converting a PNG (specifically PNG, WEBP does not exhibit thi…
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Per meeting, it would probably be beneficial if the AVIF spec had a short preamble that explained roughly what is contained in the various specs that are referenced.
At the top of my head:
- ISO-B…