[BUG] 16-bit psd files saved from photoshop not showing subimages

[kpolonski]

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When using the python API to get subimage names or oiiotool to get info on all the subimages, a 16-bit photoshop file saved from windows photoshop shows no subimages. Saving the same photoshop file as an 8-bit file then shows all the layers. A little testing and it appears that 32-bit psd files exhibit the same behavior as 16-bit.

The attached psd files have 4 layers/subimages. Saved from photoshop 21.1.2 on windows.

PSD files saved from Krita on linux as 16-bit images work fine, only psds from photoshop seem to show this behavior

To Reproduce Run oiiotool to see all subimage info for the 16-bit psd file vs. the 8-bit file oiiotool --info -v -a color_squares_small_16bit.psd The 8-bit file shows all the subimages while the 16-bit file does not.

Expected behavior Show all relevant image info comparable to what the same file saved as 8-bit shows.

Evidence oiiotool --info -v -a color_squares_small_16bit.psd oiiotool --info -v -a color_squares_small_8bit.psd

Please find reproducing images attached.

Platform information:

• OIIO branch/version: 2.4.11.0
• OS: centos 7.6
• C++ compiler: gcc 9.3.1
• Any non-default build flags when you build OIIO: unknown, though I can find out if relevant

color_squares_small.zip