mm-video: vidc: Add support for MPEG-2 sample aspect ratio

ISDB-T client requires sample aspect ratio (SAR) and it
depends on the sequence display extension and display
aspect ratio (DAR). This change calculates the SAR
values as required by the client.

Change-Id: I1c351e9a97fcfc2a02223b417145ef32750d3b80
4 files changed