Rockchip: add VP8 encoder library.

Convert the v4l2 pixel format to VPU HW pixel format.
Add rate control and keyframe setting interface.

BUG=chrome-os-partner:33728
TEST=video_encode_accelerator_unittest

Change-Id: Ic4344a95a70c22178eff2a20420b57a41ccc84a6
Signed-off-by: Alpha Lin <Alpha.Lin@rock-chips.com>
Reviewed-on: https://chromium-review.googlesource.com/230081
Reviewed-by: Wu-cheng Li <wuchengli@chromium.org>
Commit-Queue: Wu-cheng Li <wuchengli@chromium.org>
Tested-by: Wu-cheng Li <wuchengli@chromium.org>
40 files changed
tree: 496a32d3e836e0d68814a1f70c1bbd3e1826abb1
  1. libv4l-rockchip/
  2. OWNERS