shithub: libvpx

Info  •  Files  •  Log  •  Branches

Adding temp variable q to vp9_cyclic_refresh_setup().

Change-Id: If0e9c811c8ae78c0914d615bad0067a5b57e4a71

--- a/vp9/encoder/vp9_aq_cyclicrefresh.c

+++ b/vp9/encoder/vp9_aq_cyclicrefresh.c

@@ -200,6 +200,7 @@

     // Rate target ratio to set q delta.

     const float rate_ratio_qdelta = 2.0;

+    const double q = vp9_convert_qindex_to_q(cm->base_qindex);

     vp9_clear_system_state();

     // Some of these parameters may be set via codec-control function later.

     cr->max_sbs_perframe = 10;

@@ -209,14 +210,12 @@

     // Set rate threshold to some fraction of target (and scaled by 256).

     cr->thresh_rate_sb = (rc->sb64_target_rate * 256) >> 2;

     // Distortion threshold, quadratic in Q, scale factor to be adjusted.

-    cr->thresh_dist_sb = 8 * (int)(vp9_convert_qindex_to_q(cm->base_qindex) *

-        vp9_convert_qindex_to_q(cm->base_qindex));

+    cr->thresh_dist_sb = 8 * (int)(q * q);

     if (cpi->sf.use_nonrd_pick_mode) {

       // May want to be more conservative with thresholds in non-rd mode for now

       // as rate/distortion are derived from model based on prediction residual.

       cr->thresh_rate_sb = (rc->sb64_target_rate * 256) >> 3;

-      cr->thresh_dist_sb = 4 * (int)(vp9_convert_qindex_to_q(cm->base_qindex) *

-          vp9_convert_qindex_to_q(cm->base_qindex));

+      cr->thresh_dist_sb = 4 * (int)(q * q);

     }

     cr->num_seg_blocks = 0;