Move aq_mode=2 (complexity_aq) to separate file.

Change-Id: Iffa45b9b04196c1ded6037622a8644a2500a62de

vp9/encoder/vp9_aq_complexity.c

@@ -0,0 +1,104 @@
+/*
+ *  Copyright (c) 2014 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 <math.h>
+
+#include "vp9/common/vp9_seg_common.h"
+
+#include "vp9/encoder/vp9_segmentation.h"
+
+static const double in_frame_q_adj_ratio[MAX_SEGMENTS] =
+  {1.0, 2.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0};
+
+void vp9_setup_in_frame_q_adj(VP9_COMP *cpi) {
+  VP9_COMMON *const cm = &cpi->common;
+  struct segmentation *const seg = &cm->seg;
+
+  // Make SURE use of floating point in this function is safe.
+  vp9_clear_system_state();
+
+  if (cm->frame_type == KEY_FRAME ||
+      cpi->refresh_alt_ref_frame ||
+      (cpi->refresh_golden_frame && !cpi->rc.is_src_frame_alt_ref)) {
+    int segment;
+
+    // Clear down the segment map.
+    vpx_memset(cpi->segmentation_map, 0, cm->mi_rows * cm->mi_cols);
+
+    // Clear down the complexity map used for rd.
+    vpx_memset(cpi->complexity_map, 0, cm->mi_rows * cm->mi_cols);
+
+    vp9_enable_segmentation(seg);
+    vp9_clearall_segfeatures(seg);
+
+    // Select delta coding method.
+    seg->abs_delta = SEGMENT_DELTADATA;
+
+    // Segment 0 "Q" feature is disabled so it defaults to the baseline Q.
+    vp9_disable_segfeature(seg, 0, SEG_LVL_ALT_Q);
+
+    // Use some of the segments for in frame Q adjustment.
+    for (segment = 1; segment < 2; segment++) {
+      const int qindex_delta =
+          vp9_compute_qdelta_by_rate(cpi,
+                                     cm->base_qindex,
+                                     in_frame_q_adj_ratio[segment]);
+      vp9_enable_segfeature(seg, segment, SEG_LVL_ALT_Q);
+      vp9_set_segdata(seg, segment, SEG_LVL_ALT_Q, qindex_delta);
+    }
+  }
+}
+
+// Select a segment for the current SB64
+void vp9_select_in_frame_q_segment(VP9_COMP *cpi,
+                                      int mi_row, int mi_col,
+                                      int output_enabled, int projected_rate) {
+  VP9_COMMON *const cm = &cpi->common;
+
+  const int mi_offset = mi_row * cm->mi_cols + mi_col;
+  const int bw = num_8x8_blocks_wide_lookup[BLOCK_64X64];
+  const int bh = num_8x8_blocks_high_lookup[BLOCK_64X64];
+  const int xmis = MIN(cm->mi_cols - mi_col, bw);
+  const int ymis = MIN(cm->mi_rows - mi_row, bh);
+  int complexity_metric = 64;
+  int x, y;
+
+  unsigned char segment;
+
+  if (!output_enabled) {
+    segment = 0;
+  } else {
+    // Rate depends on fraction of a SB64 in frame (xmis * ymis / bw * bh).
+    // It is converted to bits * 256 units.
+    const int target_rate = (cpi->rc.sb64_target_rate * xmis * ymis * 256) /
+                            (bw * bh);
+
+    if (projected_rate < (target_rate / 4)) {
+      segment = 1;
+    } else {
+      segment = 0;
+    }
+
+    if (target_rate > 0) {
+      complexity_metric =
+        clamp((int)((projected_rate * 64) / target_rate), 16, 255);
+    }
+  }
+
+  // Fill in the entires in the segment map corresponding to this SB64.
+  for (y = 0; y < ymis; y++) {
+    for (x = 0; x < xmis; x++) {
+      cpi->segmentation_map[mi_offset + y * cm->mi_cols + x] = segment;
+      cpi->complexity_map[mi_offset + y * cm->mi_cols + x] =
+        (unsigned char)complexity_metric;
+    }
+  }
+}

vp9/encoder/vp9_aq_complexity.h

@@ -0,0 +1,34 @@
+/*
+ *  Copyright (c) 2014 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.
+ */
+
+
+#ifndef VP9_ENCODER_VP9_AQ_COMPLEXITY_H_
+#define VP9_ENCODER_VP9_AQ_COMPLEXITY_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct VP9_COMP;
+
+// Select a segment for the current SB64.
+void vp9_select_in_frame_q_segment(struct VP9_COMP *cpi, int mi_row, int mi_col,
+                                   int output_enabled, int projected_rate);
+
+
+// This function sets up a set of segments with delta Q values around
+// the baseline frame quantizer.
+void vp9_setup_in_frame_q_adj(struct VP9_COMP *cpi);
+
+#ifdef __cplusplus
+}  // extern "C"
+#endif
+
+#endif  // VP9_ENCODER_VP9_AQ_COMPLEXITY_H_

vp9/encoder/vp9_encodeframe.c

@@ -30,6 +30,7 @@
 #include "vp9/common/vp9_systemdependent.h"
 #include "vp9/common/vp9_tile_common.h"
 
+#include "vp9/encoder/vp9_aq_complexity.h"
 #include "vp9/encoder/vp9_aq_cyclicrefresh.h"
 #include "vp9/encoder/vp9_aq_variance.h"
 #include "vp9/encoder/vp9_encodeframe.h"
@@ -828,52 +829,6 @@ static void activity_masking(VP9_COMP *cpi, MACROBLOCK *x) {
   adjust_act_zbin(cpi, x);
 }
 
-// Select a segment for the current SB64
-static void select_in_frame_q_segment(VP9_COMP *cpi,
-                                      int mi_row, int mi_col,
-                                      int output_enabled, int projected_rate) {
-  VP9_COMMON *const cm = &cpi->common;
-
-  const int mi_offset = mi_row * cm->mi_cols + mi_col;
-  const int bw = num_8x8_blocks_wide_lookup[BLOCK_64X64];
-  const int bh = num_8x8_blocks_high_lookup[BLOCK_64X64];
-  const int xmis = MIN(cm->mi_cols - mi_col, bw);
-  const int ymis = MIN(cm->mi_rows - mi_row, bh);
-  int complexity_metric = 64;
-  int x, y;
-
-  unsigned char segment;
-
-  if (!output_enabled) {
-    segment = 0;
-  } else {
-    // Rate depends on fraction of a SB64 in frame (xmis * ymis / bw * bh).
-    // It is converted to bits * 256 units
-    const int target_rate = (cpi->rc.sb64_target_rate * xmis * ymis * 256) /
-                            (bw * bh);
-
-    if (projected_rate < (target_rate / 4)) {
-      segment = 1;
-    } else {
-      segment = 0;
-    }
-
-    if (target_rate > 0) {
-      complexity_metric =
-        clamp((int)((projected_rate * 64) / target_rate), 16, 255);
-    }
-  }
-
-  // Fill in the entires in the segment map corresponding to this SB64
-  for (y = 0; y < ymis; y++) {
-    for (x = 0; x < xmis; x++) {
-      cpi->segmentation_map[mi_offset + y * cm->mi_cols + x] = segment;
-      cpi->complexity_map[mi_offset + y * cm->mi_cols + x] =
-        (unsigned char)complexity_metric;
-    }
-  }
-}
-
 static void update_state(VP9_COMP *cpi, PICK_MODE_CONTEXT *ctx,
                          int mi_row, int mi_col, BLOCK_SIZE bsize,
                          int output_enabled) {
@@ -1876,8 +1831,8 @@ static void rd_use_partition(VP9_COMP *cpi,
     // and and if necessary apply a Q delta using segmentation to get
     // closer to the target.
     if ((cpi->oxcf.aq_mode == COMPLEXITY_AQ) && cm->seg.update_map) {
-      select_in_frame_q_segment(cpi, mi_row, mi_col,
+      vp9_select_in_frame_q_segment(cpi, mi_row, mi_col,
-                                output_enabled, chosen_rate);
+                                    output_enabled, chosen_rate);
     }
 
     if (cpi->oxcf.aq_mode == CYCLIC_REFRESH_AQ)
@@ -2318,7 +2273,8 @@ static void rd_pick_partition(VP9_COMP *cpi, const TileInfo *const tile,
     // and and if necessary apply a Q delta using segmentation to get
     // closer to the target.
     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);
+      vp9_select_in_frame_q_segment(cpi, mi_row, mi_col, output_enabled,
+                                    best_rate);
     }
 
     if (cpi->oxcf.aq_mode == CYCLIC_REFRESH_AQ)
@@ -2925,7 +2881,8 @@ static void nonrd_pick_partition(VP9_COMP *cpi, const TileInfo *const tile,
     // and and if necessary apply a Q delta using segmentation to get
     // closer to the target.
     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);
+      vp9_select_in_frame_q_segment(cpi, mi_row, mi_col, output_enabled,
+                                    best_rate);
     }
 
     if (cpi->oxcf.aq_mode == CYCLIC_REFRESH_AQ)

vp9/encoder/vp9_onyx_if.c

@@ -27,6 +27,7 @@
 #include "vp9/common/vp9_systemdependent.h"
 #include "vp9/common/vp9_tile_common.h"
 
+#include "vp9/encoder/vp9_aq_complexity.h"
 #include "vp9/encoder/vp9_aq_cyclicrefresh.h"
 #include "vp9/encoder/vp9_aq_variance.h"
 #include "vp9/encoder/vp9_bitstream.h"
@@ -103,9 +104,6 @@ FILE *keyfile;
 
 void vp9_init_quantizer(VP9_COMP *cpi);
 
-static const double in_frame_q_adj_ratio[MAX_SEGMENTS] =
-  {1.0, 2.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0};
-
 static INLINE void Scale2Ratio(VPX_SCALING mode, int *hr, int *hs) {
   switch (mode) {
     case NORMAL:
@@ -264,46 +262,6 @@ int vp9_compute_qdelta_by_rate(VP9_COMP *cpi, int base_q_index,
   return target_index - base_q_index;
 }
 
-// This function sets up a set of segments with delta Q values around
-// the baseline frame quantizer.
-static void setup_in_frame_q_adj(VP9_COMP *cpi) {
-  VP9_COMMON *const cm = &cpi->common;
-  struct segmentation *const seg = &cm->seg;
-
-  // Make SURE use of floating point in this function is safe.
-  vp9_clear_system_state();
-
-  if (cm->frame_type == KEY_FRAME ||
-      cpi->refresh_alt_ref_frame ||
-      (cpi->refresh_golden_frame && !cpi->rc.is_src_frame_alt_ref)) {
-    int segment;
-
-    // Clear down the segment map
-    vpx_memset(cpi->segmentation_map, 0, cm->mi_rows * cm->mi_cols);
-
-    // Clear down the complexity map used for rd
-    vpx_memset(cpi->complexity_map, 0, cm->mi_rows * cm->mi_cols);
-
-    vp9_enable_segmentation(seg);
-    vp9_clearall_segfeatures(seg);
-
-    // Select delta coding method
-    seg->abs_delta = SEGMENT_DELTADATA;
-
-    // Segment 0 "Q" feature is disabled so it defaults to the baseline Q
-    vp9_disable_segfeature(seg, 0, SEG_LVL_ALT_Q);
-
-    // Use some of the segments for in frame Q adjustment
-    for (segment = 1; segment < 2; segment++) {
-      const int qindex_delta =
-          vp9_compute_qdelta_by_rate(cpi,
-                                     cm->base_qindex,
-                                     in_frame_q_adj_ratio[segment]);
-      vp9_enable_segfeature(seg, segment, SEG_LVL_ALT_Q);
-      vp9_set_segdata(seg, segment, SEG_LVL_ALT_Q, qindex_delta);
-    }
-  }
-}
 static void configure_static_seg_features(VP9_COMP *cpi) {
   VP9_COMMON *const cm = &cpi->common;
   const RATE_CONTROL *const rc = &cpi->rc;
@@ -2679,7 +2637,7 @@ static void encode_without_recode_loop(VP9_COMP *cpi,
   if (cpi->oxcf.aq_mode == VARIANCE_AQ) {
     vp9_vaq_frame_setup(cpi);
   } else if (cpi->oxcf.aq_mode == COMPLEXITY_AQ) {
-    setup_in_frame_q_adj(cpi);
+    vp9_setup_in_frame_q_adj(cpi);
   } else if (cpi->oxcf.aq_mode == CYCLIC_REFRESH_AQ) {
     vp9_cyclic_refresh_setup(cpi);
   }
@@ -2739,7 +2697,7 @@ static void encode_with_recode_loop(VP9_COMP *cpi,
     if (cpi->oxcf.aq_mode == VARIANCE_AQ) {
       vp9_vaq_frame_setup(cpi);
     } else if (cpi->oxcf.aq_mode == COMPLEXITY_AQ) {
-      setup_in_frame_q_adj(cpi);
+      vp9_setup_in_frame_q_adj(cpi);
     }
 
     // transform / motion compensation build reconstruction frame

vp9/vp9cx.mk

@@ -73,6 +73,8 @@ VP9_CX_SRCS-yes += encoder/vp9_aq_variance.c
 VP9_CX_SRCS-yes += encoder/vp9_aq_variance.h
 VP9_CX_SRCS-yes += encoder/vp9_aq_cyclicrefresh.c
 VP9_CX_SRCS-yes += encoder/vp9_aq_cyclicrefresh.h
+VP9_CX_SRCS-yes += encoder/vp9_aq_complexity.c
+VP9_CX_SRCS-yes += encoder/vp9_aq_complexity.h
 ifeq ($(CONFIG_VP9_POSTPROC),yes)
 VP9_CX_SRCS-$(CONFIG_INTERNAL_STATS) += common/vp9_postproc.h
 VP9_CX_SRCS-$(CONFIG_INTERNAL_STATS) += common/vp9_postproc.c