GitLab

* document video_sampler.

* minor docs for decoder.cpp

* descriptive comments for the stream.c

* descriptive comments for decoder.cpp

* per-stream descriptive comments

* Fixing CLANG hopefully

* addressing prabhat's comments

* typo I think
Co-authored-by: Francisco Massa <fvsmassa@gmail.com>
Co-authored-by: Vasilis Vryniotis <datumbox@users.noreply.github.com>