libvpx: Pull from upstream

source/libvpx/vp9/encoder/vp9_aq_cyclicrefresh.c

Index: source/libvpx/vp9/encoder/vp9_aq_cyclicrefresh.c
diff --git a/source/libvpx/vp9/encoder/vp9_aq_cyclicrefresh.c b/source/libvpx/vp9/encoder/vp9_aq_cyclicrefresh.c
index 813c339823c3633faf8dd50c128e10568901e4aa..ebef1a202172123407872536bbd6e4ae69aafe58 100644
--- a/source/libvpx/vp9/encoder/vp9_aq_cyclicrefresh.c
+++ b/source/libvpx/vp9/encoder/vp9_aq_cyclicrefresh.c
@@ -11,6 +11,7 @@
 #include <limits.h>
 #include <math.h>
 
+#include "vpx_dsp/vpx_dsp_common.h"
 #include "vpx_ports/system_state.h"
 
 #include "vp9/encoder/vp9_aq_cyclicrefresh.h"
@@ -20,44 +21,6 @@
 #include "vp9/encoder/vp9_ratectrl.h"
 #include "vp9/encoder/vp9_segmentation.h"
 
-struct CYCLIC_REFRESH {
-  // Percentage of blocks per frame that are targeted as candidates
-  // for cyclic refresh.
-  int percent_refresh;
-  // Maximum q-delta as percentage of base q.
-  int max_qdelta_perc;
-  // Superblock starting index for cycling through the frame.
-  int sb_index;
-  // Controls how long block will need to wait to be refreshed again, in
-  // excess of the cycle time, i.e., in the case of all zero motion, block
-  // will be refreshed every (100/percent_refresh + time_for_refresh) frames.
-  int time_for_refresh;
-  // Target number of (8x8) blocks that are set for delta-q.
-  int target_num_seg_blocks;
-  // Actual number of (8x8) blocks that were applied delta-q.
-  int actual_num_seg1_blocks;
-  int actual_num_seg2_blocks;
-  // RD mult. parameters for segment 1.
-  int rdmult;
-  // Cyclic refresh map.
-  signed char *map;
-  // Map of the last q a block was coded at.
-  uint8_t *last_coded_q_map;
-  // Thresholds applied to the projected rate/distortion of the coding block,
-  // when deciding whether block should be refreshed.
-  int64_t thresh_rate_sb;
-  int64_t thresh_dist_sb;
-  // Threshold applied to the motion vector (in units of 1/8 pel) of the
-  // coding block, when deciding whether block should be refreshed.
-  int16_t motion_thresh;
-  // Rate target ratio to set q delta.
-  double rate_ratio_qdelta;
-  // Boost factor for rate target ratio, for segment CR_SEGMENT_ID_BOOST2.
-  int rate_boost_fac;
-  double low_content_avg;
-  int qindex_delta[3];
-};
-
 CYCLIC_REFRESH *vp9_cyclic_refresh_alloc(int mi_rows, int mi_cols) {
   size_t last_coded_q_map_size;
   CYCLIC_REFRESH *const cr = vpx_calloc(1, sizeof(*cr));
@@ -272,6 +235,12 @@ void vp9_cyclic_refresh_update_segment(VP9_COMP *const cpi,
       if (!is_inter_block(mbmi) || !skip)
         cr->last_coded_q_map[map_offset] = clamp(
             cm->base_qindex + cr->qindex_delta[mbmi->segment_id], 0, MAXQ);
+      else if (is_inter_block(mbmi) && skip) {
+        cr->last_coded_q_map[map_offset] = VPXMIN(
+            clamp(cm->base_qindex + cr->qindex_delta[mbmi->segment_id],
+                  0, MAXQ),
+            cr->last_coded_q_map[map_offset]);
+      }
     }
 }