Commit 517a6620 authored by Marco's avatar Marco
Browse files

aq-mode=3: Reduce boost for segment#2 at low bitrates/low res.

Reduce boost for segment#2 for low bitrates and low-res.

This change is to reduce the rate overshoot at low bitrates.
No change in behavior, except at the very low bitrates.

Change-Id: I0dbd9d3b6356da5804de94adf10fca6a7a8f8948
parent 7555e2b8
......@@ -129,7 +129,8 @@ static int candidate_refresh_aq(const CYCLIC_REFRESH *cr,
else if (bsize >= BLOCK_16X16 &&
rate < cr->thresh_rate_sb &&
is_inter_block(mbmi) &&
mbmi->mv[0].as_int == 0)
mbmi->mv[0].as_int == 0 &&
cr->rate_boost_fac > 1.0)
// More aggressive delta-q for bigger blocks with zero motion.
return CR_SEGMENT_ID_BOOST2;
else
......@@ -464,7 +465,7 @@ void vp9_cyclic_refresh_update_parameters(VP9_COMP *const cpi) {
cm->height <= 288 &&
rc->avg_frame_bandwidth < 3400) {
cr->motion_thresh = 4;
cr->rate_boost_fac = 1.25;
cr->rate_boost_fac = 1.0;
} else {
cr->motion_thresh = 32;
cr->rate_boost_fac = 1.7;
......
Markdown is supported
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment