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Side by Side Diff: source/libvpx/vp9/encoder/vp9_aq_variance.c

Issue 375983002: libvpx: Pull from upstream (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/deps/third_party/libvpx/
Patch Set: Created 6 years, 5 months ago
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1 /* 1 /*
2 * Copyright (c) 2013 The WebM project authors. All Rights Reserved. 2 * Copyright (c) 2013 The WebM project authors. All Rights Reserved.
3 * 3 *
4 * Use of this source code is governed by a BSD-style license 4 * Use of this source code is governed by a BSD-style license
5 * that can be found in the LICENSE file in the root of the source 5 * that can be found in the LICENSE file in the root of the source
6 * tree. An additional intellectual property rights grant can be found 6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may 7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree. 8 * be found in the AUTHORS file in the root of the source tree.
9 */ 9 */
10 10
11 #include <math.h> 11 #include <math.h>
12 12
13 #include "vp9/encoder/vp9_aq_variance.h" 13 #include "vp9/encoder/vp9_aq_variance.h"
14 14
15 #include "vp9/common/vp9_seg_common.h" 15 #include "vp9/common/vp9_seg_common.h"
16 16
17 #include "vp9/encoder/vp9_ratectrl.h" 17 #include "vp9/encoder/vp9_ratectrl.h"
18 #include "vp9/encoder/vp9_rdopt.h" 18 #include "vp9/encoder/vp9_rd.h"
19 #include "vp9/encoder/vp9_segmentation.h" 19 #include "vp9/encoder/vp9_segmentation.h"
20 #include "vp9/common/vp9_systemdependent.h" 20 #include "vp9/common/vp9_systemdependent.h"
21 21
22 #define ENERGY_MIN (-1) 22 #define ENERGY_MIN (-1)
23 #define ENERGY_MAX (1) 23 #define ENERGY_MAX (1)
24 #define ENERGY_SPAN (ENERGY_MAX - ENERGY_MIN + 1) 24 #define ENERGY_SPAN (ENERGY_MAX - ENERGY_MIN + 1)
25 #define ENERGY_IN_BOUNDS(energy)\ 25 #define ENERGY_IN_BOUNDS(energy)\
26 assert((energy) >= ENERGY_MIN && (energy) <= ENERGY_MAX) 26 assert((energy) >= ENERGY_MIN && (energy) <= ENERGY_MAX)
27 27
28 static double q_ratio[MAX_SEGMENTS] = { 1, 1, 1, 1, 1, 1, 1, 1 }; 28 static double q_ratio[MAX_SEGMENTS] = { 1, 1, 1, 1, 1, 1, 1, 1 };
(...skipping 110 matching lines...) Expand 10 before | Expand all | Expand 10 after
139 139
140 int vp9_block_energy(VP9_COMP *cpi, MACROBLOCK *x, BLOCK_SIZE bs) { 140 int vp9_block_energy(VP9_COMP *cpi, MACROBLOCK *x, BLOCK_SIZE bs) {
141 double energy; 141 double energy;
142 unsigned int var = block_variance(cpi, x, bs); 142 unsigned int var = block_variance(cpi, x, bs);
143 143
144 vp9_clear_system_state(); 144 vp9_clear_system_state();
145 145
146 energy = 0.9 * (log(var + 1.0) - 10.0); 146 energy = 0.9 * (log(var + 1.0) - 10.0);
147 return clamp((int)round(energy), ENERGY_MIN, ENERGY_MAX); 147 return clamp((int)round(energy), ENERGY_MIN, ENERGY_MAX);
148 } 148 }
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