From abb2fbb10eedb9aceff845092fe54661ab0df8df Mon Sep 17 00:00:00 2001
From: Jingning Han <jingning@google.com>
Date: Mon, 20 Oct 2014 15:34:19 -0700
Subject: Remove deprecated constrain_copy_partitioning function

Its functionality has been replaced with choose_partitioning and
threshold based control on split mode check.

Change-Id: Ic9bb321df06b524f5c38ea5874dc6f6a8f93c5e3
---
 vp9/encoder/vp9_encodeframe.c    | 53 ----------------------------------------
 vp9/encoder/vp9_speed_features.c |  2 --
 vp9/encoder/vp9_speed_features.h |  6 -----
 3 files changed, 61 deletions(-)

(limited to 'vp9')

diff --git a/vp9/encoder/vp9_encodeframe.c b/vp9/encoder/vp9_encodeframe.c
index c7b99b747..b80081732 100644
--- a/vp9/encoder/vp9_encodeframe.c
+++ b/vp9/encoder/vp9_encodeframe.c
@@ -1182,59 +1182,6 @@ static void copy_partitioning(VP9_COMMON *cm, MODE_INFO *mi_8x8,
   }
 }
 
-static void constrain_copy_partitioning(VP9_COMP *const cpi,
-                                        const TileInfo *const tile,
-                                        MODE_INFO *mi_8x8,
-                                        MODE_INFO *prev_mi_8x8,
-                                        int mi_row, int mi_col,
-                                        BLOCK_SIZE bsize) {
-  VP9_COMMON *const cm = &cpi->common;
-  const int mis = cm->mi_stride;
-  const int row8x8_remaining = tile->mi_row_end - mi_row;
-  const int col8x8_remaining = tile->mi_col_end - mi_col;
-  MODE_INFO *const mi_upper_left = cm->mi + mi_row * mis + mi_col;
-  const int bh = num_8x8_blocks_high_lookup[bsize];
-  const int bw = num_8x8_blocks_wide_lookup[bsize];
-  int block_row, block_col;
-
-  assert((row8x8_remaining > 0) && (col8x8_remaining > 0));
-
-  // If the SB64 if it is all "in image".
-  if ((col8x8_remaining >= MI_BLOCK_SIZE) &&
-      (row8x8_remaining >= MI_BLOCK_SIZE)) {
-    for (block_row = 0; block_row < MI_BLOCK_SIZE; block_row += bh) {
-      for (block_col = 0; block_col < MI_BLOCK_SIZE; block_col += bw) {
-        const int index = block_row * mis + block_col;
-        MODE_INFO *prev_mi = prev_mi_8x8[index].src_mi;
-        const BLOCK_SIZE sb_type = prev_mi ? prev_mi->mbmi.sb_type : 0;
-        // Use previous partition if block size is not larger than bsize.
-        if (prev_mi && sb_type <= bsize) {
-          int block_row2, block_col2;
-          for (block_row2 = 0; block_row2 < bh; ++block_row2) {
-            for (block_col2 = 0; block_col2 < bw; ++block_col2) {
-              const int index2 = (block_row + block_row2) * mis +
-                  block_col + block_col2;
-              prev_mi = prev_mi_8x8[index2].src_mi;
-              if (prev_mi) {
-                const ptrdiff_t offset = prev_mi - cm->prev_mi;
-                mi_8x8[index2].src_mi = cm->mi + offset;
-                mi_8x8[index2].src_mi->mbmi.sb_type = prev_mi->mbmi.sb_type;
-              }
-            }
-          }
-        } else {
-          // Otherwise, use fixed partition of size bsize.
-          mi_8x8[index].src_mi = mi_upper_left + index;
-          mi_8x8[index].src_mi->mbmi.sb_type = bsize;
-        }
-      }
-    }
-  } else {
-    // Else this is a partial SB64, copy previous partition.
-    copy_partitioning(cm, mi_8x8, prev_mi_8x8);
-  }
-}
-
 const struct {
   int row;
   int col;
diff --git a/vp9/encoder/vp9_speed_features.c b/vp9/encoder/vp9_speed_features.c
index 5cc703fc3..923e1f3a8 100644
--- a/vp9/encoder/vp9_speed_features.c
+++ b/vp9/encoder/vp9_speed_features.c
@@ -216,7 +216,6 @@ static void set_rt_speed_feature(VP9_COMP *cpi, SPEED_FEATURES *sf,
   if (speed >= 3) {
     sf->use_square_partition_only = 1;
     sf->disable_filter_search_var_thresh = 100;
-    sf->constrain_copy_partition = 1;
     sf->use_uv_intra_rd_estimate = 1;
     sf->skip_encode_sb = 1;
     sf->mv.subpel_iters_per_step = 1;
@@ -365,7 +364,6 @@ void vp9_set_speed_features(VP9_COMP *cpi) {
   sf->min_partition_size = BLOCK_4X4;
   sf->adjust_partitioning_from_last_frame = 0;
   sf->last_partitioning_redo_frequency = 4;
-  sf->constrain_copy_partition = 0;
   sf->disable_split_mask = 0;
   sf->mode_search_skip_flags = 0;
   sf->force_frame_boost = 0;
diff --git a/vp9/encoder/vp9_speed_features.h b/vp9/encoder/vp9_speed_features.h
index 58372aca8..1712f873f 100644
--- a/vp9/encoder/vp9_speed_features.h
+++ b/vp9/encoder/vp9_speed_features.h
@@ -286,12 +286,6 @@ typedef struct SPEED_FEATURES {
   // use_lastframe_partitioning is set.
   int last_partitioning_redo_frequency;
 
-  // This enables constrained copy partitioning, which, given an input block
-  // size bsize, will copy previous partition for partitions less than bsize,
-  // otherwise bsize partition is used. bsize is currently set to 16x16.
-  // Used for the case where motion is detected in superblock.
-  int constrain_copy_partition;
-
   // Disables sub 8x8 blocksizes in different scenarios: Choices are to disable
   // it always, to allow it for only Last frame and Intra, disable it for all
   // inter modes or to enable it always.
-- 
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