coordinator: add logging to debug issues with MP4 generation

[emranemran]

No description provided.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (09732bd) 52.70021% compared to head (ee782cb) 52.71889%.

Additional details and impacted files

@@                 Coverage Diff                 @@
##                main       #1113         +/-   ##
===================================================
+ Coverage   52.70021%   52.71889%   +0.01868%     
===================================================
  Files             69          69                 
  Lines           7592        7595          +3     
===================================================
+ Hits            4001        4004          +3     
  Misses          3273        3273                 
  Partials         318         318                 

Files	Coverage Δ
pipeline/coordinator.go	73.54709% <100.00000%> (+0.15999%)	⬆️

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Files	Coverage Δ
pipeline/coordinator.go	73.54709% <100.00000%> (+0.15999%)	⬆️