tree 171c82210953cb083c3b659ca0d6df2d89d0c0cd
parent 4a8c004b801c6ef28935cded61ad87570b14b754
author Sarah Parker <sarahparker@google.com> 1536775020 -0700
committer Sarah Parker <sarahparker@google.com> 1539981189 -0700

Add a separate boost factor for forward key frames

Performance is improved if forward key frames have a larger boost
than a regular forced key frame.

The following results are using 150 frames of lowres. The original
boost factor is 0.5 and the new boost factor for forward key frames
is 0.25.

KF Interval
   30                    -4.34%
   32                    -4.64%

Change-Id: Ibb87dca41592436cf93ad19e6d72f4f957901a2c