Added encoding parameters set up for H263 video encoder

Also:
- Allowed start() call when encoder already starts and stop() call when encoder has not started yet
- Handled default value for audio/video sources/encoders and file output format

Change-Id: I03b2f7d3cf570baa0fd011a8c0ad200f2f2a5da1
6 files changed
tree: eea2f662a7089684c57020dd5f8313c978172470
  1. camera/
  2. cmds/
  3. include/
  4. media/