Encapsulating CYCLIC_REFRESH struct into .c file.

Change-Id: I32695ad703dcbbbbf5f122b403f3d3120a0be366

5 files changed, 109 insertions, 71 deletions

diff --git a/vp9/encoder/vp9_aq_cyclicrefresh.c b/vp9/encoder/vp9_aq_cyclicrefresh.c
index 231276b3e..7442d0178 100644
--- a/vp9/encoder/vp9_aq_cyclicrefresh.c
+++ b/vp9/encoder/vp9_aq_cyclicrefresh.c
@@ -19,6 +19,51 @@
 #include "vp9/encoder/vp9_rdopt.h"
 #include "vp9/encoder/vp9_segmentation.h"
 
+struct CYCLIC_REFRESH {
+  // Target percentage of blocks per frame that are cyclicly refreshed.
+  int max_mbs_perframe;
+  // Maximum q-delta as percentage of base q.
+  int max_qdelta_perc;
+  // Block size below which we don't apply cyclic refresh.
+  BLOCK_SIZE min_block_size;
+  // Macroblock starting index (unit of 8x8) for cycling through the frame.
+  int mb_index;
+  // Controls how long a block will need to wait to be refreshed again.
+  int time_for_refresh;
+  // Actual number of blocks that were applied delta-q (segment 1).
+  int num_seg_blocks;
+  // Actual encoding bits for segment 1.
+  int actual_seg_bits;
+  // RD mult. parameters for segment 1.
+  int rdmult;
+  // Cyclic refresh map.
+  signed char *map;
+  // Projected rate and distortion for the current superblock.
+  int64_t projected_rate_sb;
+  int64_t projected_dist_sb;
+  // Thresholds applied to projected rate/distortion of the superblock.
+  int64_t thresh_rate_sb;
+  int64_t thresh_dist_sb;
+};
+
+CYCLIC_REFRESH *vp9_cyclic_refresh_alloc(int mi_rows, int mi_cols) {
+  CYCLIC_REFRESH *const cr = vpx_calloc(1, sizeof(*cr));
+  if (cr == NULL)
+    return NULL;
+
+  cr->map = vpx_calloc(mi_rows * mi_cols, sizeof(*cr->map));
+  if (cr->map == NULL) {
+    vpx_free(cr);
+    return NULL;
+  }
+
+  return cr;
+}
+
+void vp9_cyclic_refresh_free(CYCLIC_REFRESH *cr) {
+  vpx_free(cr->map);
+  vpx_free(cr);
+}
 
 // Check if we should turn off cyclic refresh based on bitrate condition.
 static int apply_cyclic_refresh_bitrate(const VP9_COMMON *cm,
@@ -73,14 +118,12 @@ static int candidate_refresh_aq(const CYCLIC_REFRESH *cr,
 // Prior to coding a given prediction block, of size bsize at (mi_row, mi_col),
 // check if we should reset the segment_id, and update the cyclic_refresh map
 // and segmentation map.
-void vp9_update_segment_aq(VP9_COMP *const cpi,
-                           MB_MODE_INFO *const mbmi,
-                           int mi_row,
-                           int mi_col,
-                           BLOCK_SIZE bsize,
-                           int use_rd) {
+void vp9_cyclic_refresh_update_segment(VP9_COMP *const cpi,
+                                       MB_MODE_INFO *const mbmi,
+                                       int mi_row, int mi_col,
+                                       BLOCK_SIZE bsize, int use_rd) {
   const VP9_COMMON *const cm = &cpi->common;
-  CYCLIC_REFRESH *const cr = &cpi->cyclic_refresh;
+  CYCLIC_REFRESH *const cr = cpi->cyclic_refresh;
   const int bw = num_8x8_blocks_wide_lookup[bsize];
   const int bh = num_8x8_blocks_high_lookup[bsize];
   const int xmis = MIN(cm->mi_cols - mi_col, bw);
@@ -126,10 +169,10 @@ void vp9_update_segment_aq(VP9_COMP *const cpi,
 }
 
 // Setup cyclic background refresh: set delta q and segmentation map.
-void vp9_setup_cyclic_refresh_aq(VP9_COMP *const cpi) {
+void vp9_cyclic_refresh_setup(VP9_COMP *const cpi) {
   VP9_COMMON *const cm = &cpi->common;
   const RATE_CONTROL *const rc = &cpi->rc;
-  CYCLIC_REFRESH *const cr = &cpi->cyclic_refresh;
+  CYCLIC_REFRESH *const cr = cpi->cyclic_refresh;
   struct segmentation *const seg = &cm->seg;
   unsigned char *const seg_map = cpi->segmentation_map;
   const int apply_cyclic_refresh  = apply_cyclic_refresh_bitrate(cm, rc);
@@ -253,3 +296,13 @@ void vp9_setup_cyclic_refresh_aq(VP9_COMP *const cpi) {
       }
   }
 }
+
+void vp9_cyclic_refresh_set_rate_and_dist_sb(CYCLIC_REFRESH *cr,
+                                             int64_t rate_sb, int64_t dist_sb) {
+  cr->projected_rate_sb = rate_sb;
+  cr->projected_dist_sb = dist_sb;
+}
+
+int vp9_cyclic_refresh_get_rdmult(const CYCLIC_REFRESH *cr) {
+  return cr->rdmult;
+}
diff --git a/vp9/encoder/vp9_aq_cyclicrefresh.h b/vp9/encoder/vp9_aq_cyclicrefresh.h
index 14dc2cd46..f556d658b 100644
--- a/vp9/encoder/vp9_aq_cyclicrefresh.h
+++ b/vp9/encoder/vp9_aq_cyclicrefresh.h
@@ -18,47 +18,30 @@
 extern "C" {
 #endif
 
-typedef struct {
-  // Target percentage of blocks per frame that are cyclicly refreshed.
-  int max_mbs_perframe;
-  // Maximum q-delta as percentage of base q.
-  int max_qdelta_perc;
-  // Block size below which we don't apply cyclic refresh.
-  BLOCK_SIZE min_block_size;
-  // Macroblock starting index (unit of 8x8) for cycling through the frame.
-  int mb_index;
-  // Controls how long a block will need to wait to be refreshed again.
-  int time_for_refresh;
-  // Actual number of blocks that were applied delta-q (segment 1).
-  int num_seg_blocks;
-  // Actual encoding bits for segment 1.
-  int actual_seg_bits;
-  // RD mult. parameters for segment 1.
-  int rdmult;
-  // Cyclic refresh map.
-  signed char *map;
-  // Projected rate and distortion for the current superblock.
-  int64_t projected_rate_sb;
-  int64_t projected_dist_sb;
-  // Thresholds applied to projected rate/distortion of the superblock.
-  int64_t thresh_rate_sb;
-  int64_t thresh_dist_sb;
-} CYCLIC_REFRESH;
-
 struct VP9_COMP;
 
+struct CYCLIC_REFRESH;
+typedef struct CYCLIC_REFRESH CYCLIC_REFRESH;
+
+CYCLIC_REFRESH *vp9_cyclic_refresh_alloc(int mi_rows, int mi_cols);
+
+void vp9_cyclic_refresh_free(CYCLIC_REFRESH *cr);
+
 // Prior to coding a given prediction block, of size bsize at (mi_row, mi_col),
 // check if we should reset the segment_id, and update the cyclic_refresh map
 // and segmentation map.
-void vp9_update_segment_aq(struct VP9_COMP *const cpi,
-                           MB_MODE_INFO *const mbmi,
-                           int mi_row,
-                           int mi_col,
-                           BLOCK_SIZE bsize,
-                           int use_rd);
+void vp9_cyclic_refresh_update_segment(struct VP9_COMP *const cpi,
+                                       MB_MODE_INFO *const mbmi,
+                                       int mi_row, int mi_col,
+                                       BLOCK_SIZE bsize, int use_rd);
 
 // Setup cyclic background refresh: set delta q and segmentation map.
-void vp9_setup_cyclic_refresh_aq(struct VP9_COMP *const cpi);
+void vp9_cyclic_refresh_setup(struct VP9_COMP *const cpi);
+
+void vp9_cyclic_refresh_set_rate_and_dist_sb(CYCLIC_REFRESH *cr,
+                                             int64_t rate_sb, int64_t dist_sb);
+
+int vp9_cyclic_refresh_get_rdmult(const CYCLIC_REFRESH *cr);
 
 #ifdef __cplusplus
 }  // extern "C"
diff --git a/vp9/encoder/vp9_encodeframe.c b/vp9/encoder/vp9_encodeframe.c
index ed9e27cf8..c310354c9 100644
--- a/vp9/encoder/vp9_encodeframe.c
+++ b/vp9/encoder/vp9_encodeframe.c
@@ -902,8 +902,8 @@ static void update_state(VP9_COMP *cpi, PICK_MODE_CONTEXT *ctx,
   // the cyclic refresh map.
   if ((cpi->oxcf.aq_mode == CYCLIC_REFRESH_AQ) && seg->enabled &&
       output_enabled) {
-    vp9_update_segment_aq(cpi, &xd->mi_8x8[0]->mbmi,
-                          mi_row, mi_col, bsize, 1);
+    vp9_cyclic_refresh_update_segment(cpi, &xd->mi_8x8[0]->mbmi,
+                                      mi_row, mi_col, bsize, 1);
     vp9_init_plane_quantizers(cpi, x);
   }
 
@@ -1102,7 +1102,7 @@ static void rd_pick_sb_modes(VP9_COMP *cpi, const TileInfo *const tile,
         : cm->last_frame_seg_map;
     // If segment 1, use rdmult for that segment.
     if (vp9_get_segment_id(cm, map, bsize, mi_row, mi_col))
-      x->rdmult = cpi->cyclic_refresh.rdmult;
+      x->rdmult = vp9_cyclic_refresh_get_rdmult(cpi->cyclic_refresh);
   }
 
   // Find best coding mode & reconstruct the MB so it is available
@@ -1466,7 +1466,8 @@ static void update_state_rt(VP9_COMP *cpi, const PICK_MODE_CONTEXT *ctx,
 
   // Check for reseting segment_id and update cyclic map.
   if (cpi->oxcf.aq_mode == CYCLIC_REFRESH_AQ && seg->enabled) {
-    vp9_update_segment_aq(cpi, &xd->mi_8x8[0]->mbmi, mi_row, mi_col, bsize, 1);
+    vp9_cyclic_refresh_update_segment(cpi, &xd->mi_8x8[0]->mbmi,
+                                      mi_row, mi_col, bsize, 1);
     vp9_init_plane_quantizers(cpi, x);
   }
 
@@ -1877,10 +1878,10 @@ static void rd_use_partition(VP9_COMP *cpi,
       select_in_frame_q_segment(cpi, mi_row, mi_col,
                                 output_enabled, chosen_rate);
     }
-    if (cpi->oxcf.aq_mode == CYCLIC_REFRESH_AQ) {
-      cpi->cyclic_refresh.projected_rate_sb = chosen_rate;
-      cpi->cyclic_refresh.projected_dist_sb = chosen_dist;
-    }
+
+    if (cpi->oxcf.aq_mode == CYCLIC_REFRESH_AQ)
+      vp9_cyclic_refresh_set_rate_and_dist_sb(cpi->cyclic_refresh,
+                                              chosen_rate, chosen_dist);
 
     encode_sb(cpi, tile, tp, mi_row, mi_col, output_enabled, bsize);
   }
@@ -2318,10 +2319,10 @@ static void rd_pick_partition(VP9_COMP *cpi, const TileInfo *const tile,
     if ((cpi->oxcf.aq_mode == COMPLEXITY_AQ) && cm->seg.update_map) {
       select_in_frame_q_segment(cpi, mi_row, mi_col, output_enabled, best_rate);
     }
-    if (cpi->oxcf.aq_mode == CYCLIC_REFRESH_AQ) {
-      cpi->cyclic_refresh.projected_rate_sb = best_rate;
-      cpi->cyclic_refresh.projected_dist_sb = best_dist;
-    }
+
+    if (cpi->oxcf.aq_mode == CYCLIC_REFRESH_AQ)
+      vp9_cyclic_refresh_set_rate_and_dist_sb(cpi->cyclic_refresh,
+                                              best_rate, best_dist);
 
     encode_sb(cpi, tile, tp, mi_row, mi_col, output_enabled, bsize);
   }
@@ -2925,10 +2926,10 @@ static void nonrd_pick_partition(VP9_COMP *cpi, const TileInfo *const tile,
     if ((cpi->oxcf.aq_mode == COMPLEXITY_AQ) && cm->seg.update_map) {
       select_in_frame_q_segment(cpi, mi_row, mi_col, output_enabled, best_rate);
     }
-    if (cpi->oxcf.aq_mode == CYCLIC_REFRESH_AQ) {
-      cpi->cyclic_refresh.projected_rate_sb = best_rate;
-      cpi->cyclic_refresh.projected_dist_sb = best_dist;
-    }
+
+    if (cpi->oxcf.aq_mode == CYCLIC_REFRESH_AQ)
+      vp9_cyclic_refresh_set_rate_and_dist_sb(cpi->cyclic_refresh,
+                                              best_rate, best_dist);
 
     encode_sb(cpi, tile, tp, mi_row, mi_col, output_enabled, bsize);
   }
@@ -3039,10 +3040,9 @@ static void nonrd_use_partition(VP9_COMP *cpi,
   }
 
   if (bsize == BLOCK_64X64 && output_enabled) {
-    if (cpi->oxcf.aq_mode == CYCLIC_REFRESH_AQ) {
-      cpi->cyclic_refresh.projected_rate_sb = *totrate;
-      cpi->cyclic_refresh.projected_dist_sb = *totdist;
-    }
+    if (cpi->oxcf.aq_mode == CYCLIC_REFRESH_AQ)
+      vp9_cyclic_refresh_set_rate_and_dist_sb(cpi->cyclic_refresh,
+                                              *totrate, *totdist);
     encode_sb_rt(cpi, tile, tp, mi_row, mi_col, 1, bsize);
   }
 }
diff --git a/vp9/encoder/vp9_onyx_if.c b/vp9/encoder/vp9_onyx_if.c
index 070cc24e7..f7a6eee42 100644
--- a/vp9/encoder/vp9_onyx_if.c
+++ b/vp9/encoder/vp9_onyx_if.c
@@ -189,11 +189,13 @@ static void dealloc_compressor_data(VP9_COMP *cpi) {
   cpi->coding_context.last_frame_seg_map_copy = NULL;
 
   vpx_free(cpi->complexity_map);
-  cpi->complexity_map = 0;
-  vpx_free(cpi->cyclic_refresh.map);
-  cpi->cyclic_refresh.map = 0;
+  cpi->complexity_map = NULL;
+
+  vp9_cyclic_refresh_free(cpi->cyclic_refresh);
+  cpi->cyclic_refresh = NULL;
+
   vpx_free(cpi->active_map);
-  cpi->active_map = 0;
+  cpi->active_map = NULL;
 
   vp9_free_frame_buffers(cm);
 
@@ -1661,8 +1663,8 @@ VP9_COMP *vp9_create_compressor(VP9_CONFIG *oxcf) {
                   vpx_calloc(cm->mi_rows * cm->mi_cols, 1));
 
   // Create a map used for cyclic background refresh.
-  CHECK_MEM_ERROR(cm, cpi->cyclic_refresh.map,
-                  vpx_calloc(cm->mi_rows * cm->mi_cols, 1));
+  CHECK_MEM_ERROR(cm, cpi->cyclic_refresh,
+                  vp9_cyclic_refresh_alloc(cm->mi_rows, cm->mi_cols));
 
   // And a place holder structure is the coding context
   // for use if we want to save and restore it
@@ -2679,7 +2681,7 @@ static void encode_without_recode_loop(VP9_COMP *cpi,
   } else if (cpi->oxcf.aq_mode == COMPLEXITY_AQ) {
     setup_in_frame_q_adj(cpi);
   } else if (cpi->oxcf.aq_mode == CYCLIC_REFRESH_AQ) {
-    vp9_setup_cyclic_refresh_aq(cpi);
+    vp9_cyclic_refresh_setup(cpi);
   }
   // transform / motion compensation build reconstruction frame
   vp9_encode_frame(cpi);
diff --git a/vp9/encoder/vp9_onyx_int.h b/vp9/encoder/vp9_onyx_int.h
index a2f878aa3..b62fa718a 100644
--- a/vp9/encoder/vp9_onyx_int.h
+++ b/vp9/encoder/vp9_onyx_int.h
@@ -725,7 +725,7 @@ typedef struct VP9_COMP {
   unsigned char *active_map;
   unsigned int active_map_enabled;
 
-  CYCLIC_REFRESH cyclic_refresh;
+  CYCLIC_REFRESH *cyclic_refresh;
 
   fractional_mv_step_fp *find_fractional_mv_step;
   fractional_mv_step_comp_fp *find_fractional_mv_step_comp;