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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 Loading... |
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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