shithub: libvpx

Download patch

ref: e032fc7b9ed95e87d54021ffc9a1b0f6ebda1541
parent: fc0589761912e414ac1ab6e81f5cab48c894a805
author: Alex Converse <aconverse@google.com>
date: Fri Mar 20 10:43:06 EDT 2015 

Set loop filter level to zero on inactive segment.

Change-Id: I6022a79351882a72a219aee13563bf21bcd70383


--- a/vp9/encoder/vp9_encoder.c
+++ b/vp9/encoder/vp9_encoder.c
@@ -132,8 +132,14 @@
         if (seg_map[i] == AM_SEGMENT_ID_ACTIVE) seg_map[i] = active_map[i];
       vp9_enable_segmentation(seg);
       vp9_enable_segfeature(seg, AM_SEGMENT_ID_INACTIVE, SEG_LVL_SKIP);
+      vp9_enable_segfeature(seg, AM_SEGMENT_ID_INACTIVE, SEG_LVL_ALT_LF);
+      // Setting the data to -MAX_LOOP_FILTER will result in the computed loop
+      // filter level being zero regardless of the value of seg->abs_delta.
+      vp9_set_segdata(seg, AM_SEGMENT_ID_INACTIVE,
+                      SEG_LVL_ALT_LF, -MAX_LOOP_FILTER);
     } else {
       vp9_disable_segfeature(seg, AM_SEGMENT_ID_INACTIVE, SEG_LVL_SKIP);
+      vp9_disable_segfeature(seg, AM_SEGMENT_ID_INACTIVE, SEG_LVL_ALT_LF);
       if (seg->enabled) {
         seg->update_data = 1;
         seg->update_map = 1;