Fix wrong video shape

[FayazRahman]

🚀 🚀 Pull Request

Checklist:

• My code follows the style guidelines of this project and the Contributing document
• I have commented my code, particularly in hard-to-understand areas
• I have kept the coverage-rate up
• I have performed a self-review of my own code and resolved any problems
• I have checked to ensure there aren't any other open Pull Requests for the same change
• I have described and made corresponding changes to the relevant documentation
• New and existing unit tests pass locally with my changes

Changes

Replace r_frame_rate with avg_frame_rate
Fixes #1433

[CLAassistant]

All committers have signed the CLA.

[codecov]

Codecov Report

Merging #1447 (cbba6bb) into main (1328034) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main    #1447   +/-   ##
=======================================
  Coverage   92.18%   92.18%           
=======================================
  Files         178      178           
  Lines       14325    14325           
=======================================
  Hits        13205    13205           
  Misses       1120     1120           

Flag	Coverage Δ
unittests	92.18% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
hub/core/compression.py	89.25% <ø> (ø)

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