shithub: libvpx

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Fixed "MAX" boost for static kf sections.

Apply a fixed maximum boost for static key frame
groups /  slide show content (if > 8 frames long).
This insures sufficient boost on shorter sections
whilst preventing excessive boost on longer sections.

Change-Id: I5b857dab023d674cfd55bced3437f3bce3b4f1cb

--- a/vp9/encoder/vp9_firstpass.c

+++ b/vp9/encoder/vp9_firstpass.c

@@ -3433,7 +3433,7 @@

   // Special case for static / slide show content but dont apply

   // if the kf group is very short.

   if ((zero_motion_accumulator > 0.99) && (rc->frames_to_key > 8)) {

-    rc->kf_boost = VPXMAX((rc->frames_to_key * 100), MAX_KF_TOT_BOOST);

+    rc->kf_boost = MAX_KF_TOT_BOOST;

   } else {

     // Apply various clamps for min and max boost

     rc->kf_boost = VPXMAX((int)boost_score, (rc->frames_to_key * 3));