ID 534623 - Nuke Studio does not always interpret the FPS of ARRI RAW Alexa 35 footage correctly

Problem summary:

Nuke Studio does not always interpret the FPS of ARRI RAW Alexa 35 footage correctly

Customer reported version:

Nuke Studio 14.0v2

Customer reported platform:

Windows 10

Steps to reproduce:

1) Download the attached 25 FPS Alexa 35 footage and launch Nuke Studio.

2) Navigate to File > Import File(s)... and select the downloaded footage.

3) In the Project Bin, right-click the clip and navigate to Open In > Metadata View.

4) Search for the arri/recording/project_rate/timebase key and compare it to the assigned FPS of the clip, pictured below:

Expected behavior:

Nuke Studio should read the footage at the FPS it was recorded in.

Actual behavior:

Nuke Studio interprets the footage as 24 FPS even though the file's timebase is 25 FPS.

Workaround:

The frame rate can be manually changed by right-clicking on the clip from the Project Bin and selecting the Set Frame Rate option.

Reproduced by Support in:

Nuke Studio 14.0v2 - Windows 11, CentOS 7

Nuke Studio 14.0v1 - Windows 11, CentOS 7

Earliest version tested:

Nuke 14.0v1 - This feature (support for the ARRI Alexa 35/ARRI IMAGE 7.0.0 SDK) did not exist before this version.

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