Gets and sets the property Codec. 
            
            The video codec for the output file. Valid values include  CopyC# and
CopyC# and 
                          H.264 CopyC#. You can only specify
CopyC#. You can only specify vp8
 CopyC# when the container
            type is
CopyC# when the container
            type is                vp8
 CopyC#.
CopyC#.
            webm
 Declaration Syntax
 Declaration Syntax| C# | 
public string Codec { get; set; }