Pass segment duration to transcoder instead of overall duration

[thomshutt]

Resolves #99

[codecov]

Codecov Report

Merging #105 (4230c07) into main (2724d38) will increase coverage by 0.23892%.
The diff coverage is 80.00000%.

@@                 Coverage Diff                 @@
##                main        #105         +/-   ##
===================================================
+ Coverage   38.79817%   39.03709%   +0.23892%     
===================================================
  Files             24          24                 
  Lines           1531        1537          +6     
===================================================
+ Hits             594         600          +6     
  Misses           859         859                 
  Partials          78          78                 

Impacted Files	Coverage Δ
handlers/misttriggers/recording_end.go	18.88112% <0.00000%> (ø)
handlers/transcode.go	40.74074% <0.00000%> (ø)
transcode/transcode.go	43.33333% <75.00000%> (ø)
transcode/manifest.go	73.91304% <100.00000%> (+1.82002%)	⬆️

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Impacted Files	Coverage Δ
handlers/misttriggers/recording_end.go	18.88112% <0.00000%> (ø)
handlers/transcode.go	40.74074% <0.00000%> (ø)
transcode/transcode.go	43.33333% <75.00000%> (ø)
transcode/manifest.go	73.91304% <100.00000%> (+1.82002%)	⬆️

[AlexKordic]

Well Done!