leo-barnes

@farindk > In my opinion, the ispe specification is bad. It (informally) specifies the raw image size before it is being transformed (rotated, cropped, ...). I don't see why this...

@bigcat88 > Just curious: Is this [image](https://github.com/bigcat88/pillow_heif/raw/master/tests/images/heif_special/guitar_cw90.hif) satisfy HEIF standard? This is an example that was submitted to me, when `ispe` values differs from encoded in image. **Sony ILCE-7M4** `ispe`...

Here's a question for the PNG WG: We need to define roughly the same metadata in HEIF (latest proposal in WD [here](https://www.mpeg.org/wp-content/uploads/mpeg_meetings/144_Hannover/w23381.zip)). It would be very nice if it would...

> I just noticed this, published 2024-01-05: https://developer.android.com/media/platform/hdr-image-format The UltraHDR format is basically identical to Adobe's white-paper. I think it got released mid-2023. Just as a FYI, there is a...

Not speaking for TC42 here, but I'm heavily involved with the HEIF/AVIF side of things. The way we're doing it there is that we're adding dedicated signaling to the HEIF...

Not sure how you would be planning on storing this in PNG, but if you decide on taking the approach of having a dedicated structure for the metadata rather than...