tree d3121d0aad7f1e763aac785e85d8b5927483142a
parent 3bd72b7bf200d21082cedb98d95734fa80f5ee34
author Peng Bin <binpengsmail@gmail.com> 1535082579 +0800
committer Bin Peng <binpengsmail@gmail.com> 1535694483 +0000

Use ref_type as skip_ref_frame_mask's index

Use ref_type instead of mix single ref and
compound ref can skip more unwanted combinations.

For encoder, about 1.5% faster shows by encoding
20 frame of BasketballDrill_832x480_50.y4m at
800kbps on speed 1. (234709 ms -> 231096 ms)

The coding performance is about 0.02% loss on
average.

STATS_CHANGED expected

Change-Id: I0aa0c624994098cc89d46fc698d96f4980bd95f4