vtkMRMLSequenceBrowserNode Playback Speed

Support
1

Machine 1:
Operating System: macOS 14.0
Processor: Apple M2 CPU @ 3.00 GHz, 3000 MHz, 8 Core(s) 8 Logical Processor(s)
Installed Physical Memory: 16 GB

Machine 2:
Operating System: Windows 10 x64-based PC
Processor: Intel® Core™ i5-6300U CPU @ 2.40GHz, 2400 Mhz, 2 Core(s), 4 Logical Processor(s)
Installed Physical Memory (RAM): 8.00 GB

Slicer version: 5.4.0 stable release
Expected behaviour: After loading .mha images into vtkMRMLSequenceBrowserNode to then display this sequence image-by-image on 3d slicer at a default rate of 1 image per second, and editing the method SetPlaybackRateFps to display say for example 3 images per second
Actual behaviour: Machine 1 does the expected behaviour fine without any issues, but Machine 2 will start skipping to later images in the sequence (while playing the sequence went from Image #19 to Image #32 in 1 second with SetPlaybackRateFps of 3)

Kindly let me know if this issue is occuring due to hardware limitations or any other reason as to why this could be occuring

2

Machine2 cannot replay the sequence at the requested rate. This computer is about 8 years old (has a 6-th generation Intel CPU - while the current generation is 13), so it is normal that it is much slower.

To play at the maximum rate without skipping: you can disable “Enable item skip during playback” option in Sequences module / Browser / Advanced.

3

Thank you for your reply, it seems to be working now!