libvpx: Pull from upstream

source/libvpx/vp9/encoder/vp9_speed_features.c

 /*
  *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
 #include <limits.h>
 
 #include "vp9/encoder/vp9_encoder.h"
 #include "vp9/encoder/vp9_speed_features.h"
 
 // Intra only frames, golden frames (except alt ref overlays) and
 // alt ref frames tend to be coded at a higher than ambient quality
 static int frame_is_boosted(const VP9_COMP *cpi) {
   return frame_is_kf_gf_arf(cpi) || vp9_is_upper_layer_key_frame(cpi);
 }
 
-static void set_good_speed_feature_framesize_dependent(VP9_COMMON *cm,
+// Sets a partition size down to which the auto partition code will always
+// search (can go lower), based on the image dimensions. The logic here
+// is that the extent to which ringing artefacts are offensive, depends
+// partly on the screen area that over which they propogate. Propogation is
+// limited by transform block size but the screen area take up by a given block
+// size will be larger for a small image format stretched to full screen.
+static BLOCK_SIZE set_partition_min_limit(VP9_COMMON *const cm) {
+  unsigned int screen_area = (cm->width * cm->height);
+
+  // Select block size based on image format size.
+  if (screen_area < 1280 * 720) {
+    // Formats smaller in area than 720P
+    return BLOCK_4X4;
+  } else if (screen_area < 1920 * 1080) {
+    // Format >= 720P and < 1080P
+    return BLOCK_8X8;
+  } else {
+    // Formats 1080P and up
+    return BLOCK_16X16;
+  }
+}
+
+static void set_good_speed_feature_framesize_dependent(VP9_COMP *cpi,
                                                        SPEED_FEATURES *sf,
                                                        int speed) {
+  VP9_COMMON *const cm = &cpi->common;
+
   if (speed >= 1) {
     if (MIN(cm->width, cm->height) >= 720) {
       sf->disable_split_mask = cm->show_frame ? DISABLE_ALL_SPLIT
                                               : DISABLE_ALL_INTER_SPLIT;
       sf->partition_search_breakout_dist_thr = (1 << 23);
     } else {
       sf->disable_split_mask = DISABLE_COMPOUND_SPLIT;
       sf->partition_search_breakout_dist_thr = (1 << 21);
     }
   }
 
   if (speed >= 2) {
     if (MIN(cm->width, cm->height) >= 720) {
       sf->disable_split_mask = cm->show_frame ? DISABLE_ALL_SPLIT
                                               : DISABLE_ALL_INTER_SPLIT;
       sf->adaptive_pred_interp_filter = 0;
       sf->partition_search_breakout_dist_thr = (1 << 24);
       sf->partition_search_breakout_rate_thr = 120;
     } else {
       sf->disable_split_mask = LAST_AND_INTRA_SPLIT_ONLY;
       sf->partition_search_breakout_dist_thr = (1 << 22);
       sf->partition_search_breakout_rate_thr = 100;
     }
+    sf->rd_auto_partition_min_limit = set_partition_min_limit(cm);
   }
 
   if (speed >= 3) {
     if (MIN(cm->width, cm->height) >= 720) {
       sf->disable_split_mask = DISABLE_ALL_SPLIT;
       sf->schedule_mode_search = cm->base_qindex < 220 ? 1 : 0;
       sf->partition_search_breakout_dist_thr = (1 << 25);
       sf->partition_search_breakout_rate_thr = 200;
     } else {
       sf->max_intra_bsize = BLOCK_32X32;
       sf->disable_split_mask = DISABLE_ALL_INTER_SPLIT;
       sf->schedule_mode_search = cm->base_qindex < 175 ? 1 : 0;
       sf->partition_search_breakout_dist_thr = (1 << 23);
       sf->partition_search_breakout_rate_thr = 120;
     }
   }
 
+  // If this is a two pass clip that fits the criteria for animated or
+  // graphics content then reset disable_split_mask for speeds 1-4.
+  if ((speed >= 1) && (cpi->oxcf.pass == 2) &&
+      (cpi->twopass.fr_content_type == FC_GRAPHICS_ANIMATION)) {
+    sf->disable_split_mask = DISABLE_COMPOUND_SPLIT;
+  }
+
   if (speed >= 4) {
     if (MIN(cm->width, cm->height) >= 720) {
       sf->partition_search_breakout_dist_thr = (1 << 26);
     } else {
       sf->partition_search_breakout_dist_thr = (1 << 24);
     }
     sf->disable_split_mask = DISABLE_ALL_SPLIT;
   }
 }
 
-// Sets a partition size down to which the auto partition code will always
-// search (can go lower), based on the image dimensions. The logic here
-// is that the extent to which ringing artefacts are offensive, depends
-// partly on the screen area that over which they propogate. Propogation is
-// limited by transform block size but the screen area take up by a given block
-// size will be larger for a small image format stretched to full screen.
-static BLOCK_SIZE set_partition_min_limit(VP9_COMP *cpi) {
-  VP9_COMMON *const cm = &cpi->common;
-  unsigned int screen_area = (cm->width * cm->height);
-
-  // Select block size based on image format size.
-  if (screen_area < 1280 * 720) {
-    // Formats smaller in area than 720P
-    return BLOCK_4X4;
-  } else if (screen_area < 1920 * 1080) {
-    // Format >= 720P and < 1080P
-    return BLOCK_8X8;
-  } else {
-    // Formats 1080P and up
-    return BLOCK_16X16;
-  }
-}
-
 static void set_good_speed_feature(VP9_COMP *cpi, VP9_COMMON *cm,
                                    SPEED_FEATURES *sf, int speed) {
   const int boosted = frame_is_boosted(cpi);
 
   sf->adaptive_rd_thresh = 1;
   sf->allow_skip_recode = 1;
 
   if (speed >= 1) {
     sf->use_square_partition_only = !frame_is_intra_only(cm);
     sf->less_rectangular_check  = 1;
@@ skipping 24 matching lines @@
     sf->reference_masking = cpi->oxcf.resize_mode != RESIZE_DYNAMIC ? 1 : 0;
 
     sf->mode_search_skip_flags = (cm->frame_type == KEY_FRAME) ? 0 :
                                  FLAG_SKIP_INTRA_DIRMISMATCH |
                                  FLAG_SKIP_INTRA_BESTINTER |
                                  FLAG_SKIP_COMP_BESTINTRA |
                                  FLAG_SKIP_INTRA_LOWVAR;
     sf->disable_filter_search_var_thresh = 100;
     sf->comp_inter_joint_search_thresh = BLOCK_SIZES;
     sf->auto_min_max_partition_size = RELAXED_NEIGHBORING_MIN_MAX;
-    sf->rd_auto_partition_min_limit = set_partition_min_limit(cpi);
     sf->allow_partition_search_skip = 1;
   }
 
   if (speed >= 3) {
     sf->tx_size_search_method = frame_is_intra_only(cm) ? USE_FULL_RD
                                                         : USE_LARGESTALL;
     sf->mv.subpel_search_method = SUBPEL_TREE_PRUNED;
     sf->adaptive_pred_interp_filter = 0;
     sf->adaptive_mode_search = 1;
     sf->cb_partition_search = !boosted;
@@ skipping 223 matching lines @@
   }
   if (speed >= 8) {
     sf->adaptive_rd_thresh = 4;
     sf->mv.subpel_force_stop = 2;
     sf->lpf_pick = LPF_PICK_MINIMAL_LPF;
   }
 }
 
 void vp9_set_speed_features_framesize_dependent(VP9_COMP *cpi) {
   SPEED_FEATURES *const sf = &cpi->sf;
-  VP9_COMMON *const cm = &cpi->common;
   const VP9EncoderConfig *const oxcf = &cpi->oxcf;
   RD_OPT *const rd = &cpi->rd;
   int i;
 
   if (oxcf->mode == REALTIME) {
     set_rt_speed_feature_framesize_dependent(cpi, sf, oxcf->speed);
   } else if (oxcf->mode == GOOD) {
-    set_good_speed_feature_framesize_dependent(cm, sf, oxcf->speed);
+    set_good_speed_feature_framesize_dependent(cpi, sf, oxcf->speed);
   }
 
   if (sf->disable_split_mask == DISABLE_ALL_SPLIT) {
     sf->adaptive_pred_interp_filter = 0;
   }
 
   if (cpi->encode_breakout && oxcf->mode == REALTIME &&
       sf->encode_breakout_thresh > cpi->encode_breakout) {
     cpi->encode_breakout = sf->encode_breakout_thresh;
   }
@@ skipping 117 matching lines @@
 
   x->optimize = sf->optimize_coefficients == 1 && oxcf->pass != 1;
 
   x->min_partition_size = sf->default_min_partition_size;
   x->max_partition_size = sf->default_max_partition_size;
 
   if (!cpi->oxcf.frame_periodic_boost) {
     sf->max_delta_qindex = 0;
   }
 }