encoder: add h264 scalable encoder
Submitted by XuGuangxin
Link to original bug (#725536)
Description
Created attachment 270746
add svc profile. h264 have many differences compare to pure h264, such as bit rate control, frame type assignment. So I created total new profile for svc.
Init commit for h264 scalable.Only temporal supported.
Patch 270746, "add svc profile. h264 have many differences compare to pure h264, such as bit rate control, frame type assignment. So I created total new profile for svc.":
0001-profile-add-svc-profile.patch