ID 153157 - mov64 reader - QuickTime movie files with alpha do not display correct alpha values when viewed in Sequence Viewer

Problem summary
QuickTime mov files with alpha do not display the correct alpha values when viewers in the viewer

Customer reported version
nuke.9.0v8

Customer reported platform

-

Steps to reproduce

1. Open attached mov footage in Nuke

2. View the mov and display the alpha channel in the viewer

Result: alpha displays as a white solid

3. Change the decoder from mov64 to mov32

Result: alpha displays correctly as the object

Workaround
Use mov32

Reproduced by support

Expected behaviour
Alpha to appear correctly

Actual behaviour
Alpha appeared as white solid