Unable to open AVIF images

[ponponon]

I have a picture here in avif format：https://img10.360buyimg.com/n7/jfs/t1/194600/2/37658/144533/652f464dF8dc6bd47/3aada6e1078054ae.jpg.avif

╭─ponponon@MBP13ARM ~/Pictures
╰─➤  mediainfo jd002.avif
General
Complete name                            : jd002.avif
Format                                   : avif
Codec ID                                 : avif (avif/mif1/miaf/MA1A)
File size                                : 11.4 KiB

Image
ID                                       : 1
Format                                   : av01
Codec ID                                 : av01
Width                                    : 220 pixels
Height                                   : 220 pixels
Color space                              : YUV
Bit depth                                : 8 bits
Stream size                              : 11.1 KiB (98%)
Color range                              : Full
Color primaries                          : BT.709
Transfer characteristics                 : sRGB/sYCC
Matrix coefficients                      : BT.601
Codec configuration box                  : av1C


╭─ponponon@MBP13ARM ~/Pictures
╰─➤  mediainfo --version
MediaInfo Command line,
MediaInfoLib - v24.03

Opening with pillow results in an error

In [1]: from PIL import Image

In [2]: 

In [2]: Image.open('/Users/ponponon/Pictures/jd002.avif')
---------------------------------------------------------------------------
UnidentifiedImageError                    Traceback (most recent call last)
Cell In[2], line 1
----> 1 Image.open('/Users/ponponon/Pictures/jd002.avif')

File ~/.local/share/virtualenvs/image_vector-8oWws01B/lib/python3.10/site-packages/PIL/Image.py:3186, in open(fp, mode, formats)
   3184 for message in accept_warnings:
   3185     warnings.warn(message)
-> 3186 raise UnidentifiedImageError(
   3187     "cannot identify image file %r" % (filename if filename else fp)
   3188 )

UnidentifiedImageError: cannot identify image file '/Users/ponponon/Pictures/jd002.avif'

╰─➤  pip show pillow                                                                                   
Name: Pillow
Version: 9.3.0
Summary: Python Imaging Library (Fork)
Home-page: https://python-pillow.org
Author: Alex Clark (PIL Fork Author)
Author-email: [email protected]
License: HPND
Location: /Users/ponponon/.local/share/virtualenvs/image_vector-8oWws01B/lib/python3.10/site-packages
Requires: 
Required-by: image2vector, ImageHash, torchvision

╰─➤  python --version                                           
Python 3.10.10

╰─➤  sw_vers
ProductName:            macOS
ProductVersion:         14.2.1
BuildVersion:           23C71

[radarhere]

Yes, this is format that Pillow does not support yet. See https://pillow.readthedocs.io/en/stable/handbook/image-file-formats.html for the formats Pillow does support.

#5201 has been created as a possible solution.

[bigcat88]

Here's my question: when the linked PR is merged, will it still be possible to write a plugin for AVIF or modify the linked PR (or Pillow) to allow specifying not only the format during read and write operations but also a specific codec to use?

I’m asking because I know several people who specifically want to use the SVT-AV1 codec instead of aom. If Pillow does not support having multiple ImageFile.ImageFile instances for the same format in parallel, I would avoid putting in the effort to add SVT-AV1 support to pillow_heif, as it wouldn’t be usable after the linked PR is merged.

Thank you!

---

Edited:

I understand that people can build from source with the necessary encoder/decoder, but most people use Windows, and there it is a pain with this, and they need binary wheels with the codecs they need.

If try to put all the encoders/decoders into binary wheels, then this is simply an unrealistic release size(from my point of view at least)

[radarhere]

If Pillow does not support having multiple ImageFile.ImageFile instances for the same format in parallel

It does.

Naturally, you can only open or save an image using one format at a time, and the extension ".avif" can only pick one ImageFile when saving.

However, if you wanted to have two ImageFiles registered at once, one could have the format of "AVIF1", and then Image.open("in.avif", formats=["AVIF1"]) or im.save("out.avif", format="AVIF1") would use that. See https://pillow.readthedocs.io/en/stable/reference/Image.html#PIL.Image.open and https://pillow.readthedocs.io/en/stable/reference/Image.html#PIL.Image.Image.save for the documentation.

[Popolon]

AVIF is widely supported now, at least among browsers, viewers, converters (ImageMagick, GraphicsMagick, libgd), image editors. But looks like the proposed patch has not been applied? It is pending a reviewer since 2021.

[radarhere]

The reviewing process has picked up speed in the last two months.