ID 233961 - mov32 Rec709 displays differently to mov32 Rec601 and mov64 Rec709/601

Problem summary

mov32 Rec709 displays differently to mov32 Rec601 and mov64 Rec709/601

Customer reported version
nuke.10.0v4

Customer reported platform
centos6

Steps to reproduce

1. open Nuke

2. read in attached mov file

3. Duplicate the mov file so that you have 4 versions

4. In version 1 set it to mov64 Rec709

5. in version 2 set it to mov64 Rec601

6. in version 3 set it to mov32 Rec709

7. in version 4 set it to mov32 Rec601

8. Compare all nodes while hovering mouse over colourbars in viewer

Result: version 3 will have different values to all the other versions

Workaround
Unknown.

Reproduced by support
Reproduced on:

OSX 10.11.3 Nuke10.0v4, 10.0v1, 9.0v8, 9.0v1

Windows 8: Nuke10.0v2

tested Nuke8.0v6 but there were no mov32/mov64 options this far back

Expected behaviour
all 4 versions to display the same

Actual behaviour
mov32 rec709 displays differently to the rest

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