* Backward compatibility: always the old version in first.
* getPixelFormats: no spaces between the name of the function and its
list of parameters.

…scoder

* Have a default and a custom behavior for:
     * width
     * height
     * frameRate
     * par

…scoder

* OutpuEssence doesn't have a setProfile function: need to know if the
essence is video or audio to set its profile.
* OutputVideo: set the profile with a profile desc + ImageDesc.
* OutputAudio: set the profile with a profile desc + FrameDesc.
* Profile: add const string to properly named the option in the profile.

* Use const name in Profile class.
* Add avProfileFrameRate for video profile.

* Update avTranscoder.
* Update optionChecker.

…scoder

* Fix seg fault in destructor: delete twice the array of DummyAudio and
DummyVideo.
* Only store them in the StreamTranscoders!

* Remove prints.