-moved calculation of selected frame size & frame rate to qm_select class.
-various updates to qm_select class (switch to 1/2 from 2 stages of 3/4,
include native frame rate for going up temporal, favor spatial action for temporal layers,..).
-updates to unittest.
Review URL: https://webrtc-codereview.appspot.com/450008
git-svn-id: http://webrtc.googlecode.com/svn/trunk@1914 4adac7df-926f-26a2-2b94-8c16560cd09d
1) code cleanup and some updates to selection logic for qm_select.
2) added unit test for the QmResolution class.
3) update codec frame size and reset/update frame rate in media-opt:
4) removed unused motion vector metrics and some related code of content metrics processing.
Review URL: https://webrtc-codereview.appspot.com/405008
git-svn-id: http://webrtc.googlecode.com/svn/trunk@1791 4adac7df-926f-26a2-2b94-8c16560cd09d
also removed other related unused variables and code.
Reset frame rate estimate in mediaOpt when frame rate reduction is decided.
Update content_metrics with frame rate and qm_resolution with frame size.
Review URL: https://webrtc-codereview.appspot.com/395007
git-svn-id: http://webrtc.googlecode.com/svn/trunk@1718 4adac7df-926f-26a2-2b94-8c16560cd09d