1 /*
2 * Copyright (c) 2012 The WebM project authors. All Rights Reserved.
3 *
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
6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree.
9 */
10
11
12 #include <math.h>
13 #include <stddef.h>
14 #include <stdio.h>
15 #include <stdlib.h>
16 #include <string.h>
17 #include <sys/types.h>
18
19 #include "third_party/googletest/src/include/gtest/gtest.h"
20 #include "test/acm_random.h"
21 #include "vp8/encoder/onyx_int.h"
22 #include "vpx/vpx_integer.h"
23 #include "vpx_mem/vpx_mem.h"
24
25 using libvpx_test::ACMRandom;
26
27 namespace {
28
TEST(VP8RoiMapTest,ParameterCheck)29 TEST(VP8RoiMapTest, ParameterCheck) {
30 ACMRandom rnd(ACMRandom::DeterministicSeed());
31 int delta_q[MAX_MB_SEGMENTS] = { -2, -25, 0, 31 };
32 int delta_lf[MAX_MB_SEGMENTS] = { -2, -25, 0, 31 };
33 unsigned int threshold[MAX_MB_SEGMENTS] = { 0, 100, 200, 300 };
34
35 const int internalq_trans[] = {
36 0, 1, 2, 3, 4, 5, 7, 8,
37 9, 10, 12, 13, 15, 17, 18, 19,
38 20, 21, 23, 24, 25, 26, 27, 28,
39 29, 30, 31, 33, 35, 37, 39, 41,
40 43, 45, 47, 49, 51, 53, 55, 57,
41 59, 61, 64, 67, 70, 73, 76, 79,
42 82, 85, 88, 91, 94, 97, 100, 103,
43 106, 109, 112, 115, 118, 121, 124, 127,
44 };
45
46 // Initialize elements of cpi with valid defaults.
47 VP8_COMP cpi;
48 cpi.mb.e_mbd.mb_segement_abs_delta = SEGMENT_DELTADATA;
49 cpi.cyclic_refresh_mode_enabled = 0;
50 cpi.mb.e_mbd.segmentation_enabled = 0;
51 cpi.mb.e_mbd.update_mb_segmentation_map = 0;
52 cpi.mb.e_mbd.update_mb_segmentation_data = 0;
53 cpi.common.mb_rows = 240 >> 4;
54 cpi.common.mb_cols = 320 >> 4;
55 const int mbs = (cpi.common.mb_rows * cpi.common.mb_cols);
56 vpx_memset(cpi.segment_feature_data, 0, sizeof(cpi.segment_feature_data));
57
58 // Segment map
59 cpi.segmentation_map = reinterpret_cast<unsigned char *>(vpx_calloc(mbs, 1));
60
61 // Allocate memory for the source memory map.
62 unsigned char *roi_map =
63 reinterpret_cast<unsigned char *>(vpx_calloc(mbs, 1));
64 vpx_memset(&roi_map[mbs >> 2], 1, (mbs >> 2));
65 vpx_memset(&roi_map[mbs >> 1], 2, (mbs >> 2));
66 vpx_memset(&roi_map[mbs -(mbs >> 2)], 3, (mbs >> 2));
67
68 // Do a test call with valid parameters.
69 int roi_retval = vp8_set_roimap(&cpi, roi_map, cpi.common.mb_rows,
70 cpi.common.mb_cols, delta_q, delta_lf,
71 threshold);
72 EXPECT_EQ(0, roi_retval)
73 << "vp8_set_roimap roi failed with default test parameters";
74
75 // Check that the values in the cpi structure get set as expected.
76 if (roi_retval == 0) {
77 // Check that the segment map got set.
78 const int mapcompare = memcmp(roi_map, cpi.segmentation_map, mbs);
79 EXPECT_EQ(0, mapcompare) << "segment map error";
80
81 // Check the q deltas (note the need to translate into
82 // the interanl range of 0-127.
83 for (int i = 0; i < MAX_MB_SEGMENTS; ++i) {
84 const int transq = internalq_trans[abs(delta_q[i])];
85 if (abs(cpi.segment_feature_data[MB_LVL_ALT_Q][i]) != transq) {
86 EXPECT_EQ(transq, cpi.segment_feature_data[MB_LVL_ALT_Q][i])
87 << "segment delta_q error";
88 break;
89 }
90 }
91
92 // Check the loop filter deltas
93 for (int i = 0; i < MAX_MB_SEGMENTS; ++i) {
94 if (cpi.segment_feature_data[MB_LVL_ALT_LF][i] != delta_lf[i]) {
95 EXPECT_EQ(delta_lf[i], cpi.segment_feature_data[MB_LVL_ALT_LF][i])
96 << "segment delta_lf error";
97 break;
98 }
99 }
100
101 // Check the breakout thresholds
102 for (int i = 0; i < MAX_MB_SEGMENTS; ++i) {
103 unsigned int breakout =
104 static_cast<unsigned int>(cpi.segment_encode_breakout[i]);
105
106 if (threshold[i] != breakout) {
107 EXPECT_EQ(threshold[i], breakout)
108 << "breakout threshold error";
109 break;
110 }
111 }
112
113 // Segmentation, and segmentation update flages should be set.
114 EXPECT_EQ(1, cpi.mb.e_mbd.segmentation_enabled)
115 << "segmentation_enabled error";
116 EXPECT_EQ(1, cpi.mb.e_mbd.update_mb_segmentation_map)
117 << "update_mb_segmentation_map error";
118 EXPECT_EQ(1, cpi.mb.e_mbd.update_mb_segmentation_data)
119 << "update_mb_segmentation_data error";
120
121
122 // Try a range of delta q and lf parameters (some legal, some not)
123 for (int i = 0; i < 1000; ++i) {
124 int rand_deltas[4];
125 int deltas_valid;
126 rand_deltas[0] = rnd(160) - 80;
127 rand_deltas[1] = rnd(160) - 80;
128 rand_deltas[2] = rnd(160) - 80;
129 rand_deltas[3] = rnd(160) - 80;
130
131 deltas_valid = ((abs(rand_deltas[0]) <= 63) &&
132 (abs(rand_deltas[1]) <= 63) &&
133 (abs(rand_deltas[2]) <= 63) &&
134 (abs(rand_deltas[3]) <= 63)) ? 0 : -1;
135
136 // Test with random delta q values.
137 roi_retval = vp8_set_roimap(&cpi, roi_map, cpi.common.mb_rows,
138 cpi.common.mb_cols, rand_deltas,
139 delta_lf, threshold);
140 EXPECT_EQ(deltas_valid, roi_retval) << "dq range check error";
141
142 // One delta_q error shown at a time
143 if (deltas_valid != roi_retval)
144 break;
145
146 // Test with random loop filter values.
147 roi_retval = vp8_set_roimap(&cpi, roi_map, cpi.common.mb_rows,
148 cpi.common.mb_cols, delta_q,
149 rand_deltas, threshold);
150 EXPECT_EQ(deltas_valid, roi_retval) << "dlf range check error";
151
152 // One delta loop filter error shown at a time
153 if (deltas_valid != roi_retval)
154 break;
155 }
156
157 // Test that we report and error if cyclic refresh is enabled.
158 cpi.cyclic_refresh_mode_enabled = 1;
159 roi_retval = vp8_set_roimap(&cpi, roi_map, cpi.common.mb_rows,
160 cpi.common.mb_cols, delta_q,
161 delta_lf, threshold);
162 EXPECT_EQ(-1, roi_retval) << "cyclic refresh check error";
163 cpi.cyclic_refresh_mode_enabled = 0;
164
165 // Test invalid number of rows or colums.
166 roi_retval = vp8_set_roimap(&cpi, roi_map, cpi.common.mb_rows + 1,
167 cpi.common.mb_cols, delta_q,
168 delta_lf, threshold);
169 EXPECT_EQ(-1, roi_retval) << "MB rows bounds check error";
170
171 roi_retval = vp8_set_roimap(&cpi, roi_map, cpi.common.mb_rows,
172 cpi.common.mb_cols - 1, delta_q,
173 delta_lf, threshold);
174 EXPECT_EQ(-1, roi_retval) << "MB cols bounds check error";
175 }
176
177 // Free allocated memory
178 if (cpi.segmentation_map)
179 vpx_free(cpi.segmentation_map);
180 if (roi_map)
181 vpx_free(roi_map);
182 };
183
184 } // namespace
185