Parameter file path for h264 video encoder package could be provided …

[Zhigal]

…as as argument

Issue #, if available:

Description of changes:

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[codecov]

Codecov Report

Merging #43 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master      #43   +/-   ##
=======================================
  Coverage   66.16%   66.16%           
=======================================
  Files           5        5           
  Lines         201      201           
=======================================
  Hits          133      133           
  Misses         68       68           

Flag	Coverage Δ
#ROS_1	66.16% <ø> (ø)
#kinetic	65.98% <ø> (ø)
#melodic	66.33% <ø> (ø)

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