1 /*
2 * Copyright (c) 2023, Alliance for Open Media. All rights reserved
3 *
4 * This source code is subject to the terms of the BSD 2 Clause License and
5 * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
6 * was not distributed with this source code in the LICENSE file, you can
7 * obtain it at www.aomedia.org/license/software. If the Alliance for Open
8 * Media Patent License 1.0 was not distributed with this source code in the
9 * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
10 */
11
12 #include <cstddef>
13 #include <vector>
14
15 #include "aom/aomcx.h"
16 #include "aom/aom_codec.h"
17 #include "aom/aom_encoder.h"
18 #include "aom/aom_image.h"
19 #include "third_party/googletest/src/googletest/include/gtest/gtest.h"
20
21 namespace {
22
23 // This test emulates how libavif calls libaom functions to encode a
24 // progressive AVIF image in libavif's ProgressiveTest.QualityChange test.
TEST(AVIFProgressiveTest,QualityChange)25 TEST(AVIFProgressiveTest, QualityChange) {
26 constexpr int kWidth = 256;
27 constexpr int kHeight = 256;
28 // Dummy buffer of neutral gray samples.
29 constexpr size_t kBufferSize = 3 * kWidth * kHeight;
30 std::vector<unsigned char> buffer(kBufferSize,
31 static_cast<unsigned char>(128));
32
33 aom_image_t img;
34 EXPECT_EQ(&img, aom_img_wrap(&img, AOM_IMG_FMT_I444, kWidth, kHeight, 1,
35 buffer.data()));
36
37 aom_codec_iface_t *iface = aom_codec_av1_cx();
38 aom_codec_enc_cfg_t cfg;
39 const unsigned int usage = AOM_USAGE_GOOD_QUALITY;
40 EXPECT_EQ(AOM_CODEC_OK, aom_codec_enc_config_default(iface, &cfg, usage));
41 cfg.g_w = kWidth;
42 cfg.g_h = kHeight;
43 cfg.rc_end_usage = AOM_Q;
44 cfg.g_profile = 1;
45 cfg.g_bit_depth = AOM_BITS_8;
46 cfg.g_input_bit_depth = 8;
47 cfg.g_lag_in_frames = 0;
48 cfg.rc_min_quantizer = 50;
49 cfg.rc_max_quantizer = 50;
50 aom_codec_ctx_t enc;
51 EXPECT_EQ(AOM_CODEC_OK, aom_codec_enc_init(&enc, iface, &cfg, 0));
52 EXPECT_EQ(AOM_CODEC_OK, aom_codec_control(&enc, AOME_SET_CQ_LEVEL, 50));
53 EXPECT_EQ(AOM_CODEC_OK,
54 aom_codec_control(&enc, AOME_SET_NUMBER_SPATIAL_LAYERS, 2));
55 EXPECT_EQ(AOM_CODEC_OK, aom_codec_control(&enc, AOME_SET_CPUUSED, 6));
56 EXPECT_EQ(AOM_CODEC_OK,
57 aom_codec_control(&enc, AV1E_SET_COLOR_RANGE, AOM_CR_FULL_RANGE));
58 EXPECT_EQ(AOM_CODEC_OK,
59 aom_codec_control(&enc, AOME_SET_TUNING, AOM_TUNE_SSIM));
60
61 // First frame (layer 0)
62 EXPECT_EQ(AOM_CODEC_OK,
63 aom_codec_control(&enc, AOME_SET_SPATIAL_LAYER_ID, 0));
64 EXPECT_EQ(AOM_CODEC_OK, aom_codec_encode(&enc, &img, 0, 1, 0));
65 aom_codec_iter_t iter = nullptr;
66 const aom_codec_cx_pkt_t *pkt = aom_codec_get_cx_data(&enc, &iter);
67 EXPECT_NE(pkt, nullptr);
68 EXPECT_EQ(pkt->kind, AOM_CODEC_CX_FRAME_PKT);
69 // pkt->data.frame.flags is 0x1f0011.
70 EXPECT_EQ(pkt->data.frame.flags & AOM_FRAME_IS_KEY, AOM_FRAME_IS_KEY);
71 pkt = aom_codec_get_cx_data(&enc, &iter);
72 EXPECT_EQ(pkt, nullptr);
73
74 // Second frame (layer 1)
75 cfg.rc_min_quantizer = 0;
76 cfg.rc_max_quantizer = 0;
77 EXPECT_EQ(AOM_CODEC_OK, aom_codec_enc_config_set(&enc, &cfg));
78 EXPECT_EQ(AOM_CODEC_OK, aom_codec_control(&enc, AOME_SET_CQ_LEVEL, 0));
79 EXPECT_EQ(AOM_CODEC_OK, aom_codec_control(&enc, AV1E_SET_LOSSLESS, 1));
80 EXPECT_EQ(AOM_CODEC_OK,
81 aom_codec_control(&enc, AOME_SET_SPATIAL_LAYER_ID, 1));
82 aom_enc_frame_flags_t encode_flags =
83 AOM_EFLAG_NO_REF_GF | AOM_EFLAG_NO_REF_ARF | AOM_EFLAG_NO_REF_BWD |
84 AOM_EFLAG_NO_REF_ARF2 | AOM_EFLAG_NO_UPD_GF | AOM_EFLAG_NO_UPD_ARF;
85 EXPECT_EQ(AOM_CODEC_OK, aom_codec_encode(&enc, &img, 0, 1, encode_flags));
86 iter = nullptr;
87 pkt = aom_codec_get_cx_data(&enc, &iter);
88 EXPECT_NE(pkt, nullptr);
89 EXPECT_EQ(pkt->kind, AOM_CODEC_CX_FRAME_PKT);
90 // pkt->data.frame.flags is 0.
91 EXPECT_EQ(pkt->data.frame.flags & AOM_FRAME_IS_KEY, 0u);
92 pkt = aom_codec_get_cx_data(&enc, &iter);
93 EXPECT_EQ(pkt, nullptr);
94
95 // Flush encoder
96 EXPECT_EQ(AOM_CODEC_OK, aom_codec_encode(&enc, nullptr, 0, 1, 0));
97 iter = nullptr;
98 pkt = aom_codec_get_cx_data(&enc, &iter);
99 EXPECT_EQ(pkt, nullptr);
100
101 EXPECT_EQ(AOM_CODEC_OK, aom_codec_destroy(&enc));
102 }
103
104 // This test emulates how libavif calls libaom functions to encode a
105 // progressive AVIF image in libavif's ProgressiveTest.DimensionChange test.
TEST(AVIFProgressiveTest,DimensionChange)106 TEST(AVIFProgressiveTest, DimensionChange) {
107 constexpr int kWidth = 256;
108 constexpr int kHeight = 256;
109 // Dummy buffer of neutral gray samples.
110 constexpr size_t kBufferSize = 3 * kWidth * kHeight;
111 std::vector<unsigned char> buffer(kBufferSize,
112 static_cast<unsigned char>(128));
113
114 aom_image_t img;
115 EXPECT_EQ(&img, aom_img_wrap(&img, AOM_IMG_FMT_I444, kWidth, kHeight, 1,
116 buffer.data()));
117
118 aom_codec_iface_t *iface = aom_codec_av1_cx();
119 aom_codec_enc_cfg_t cfg;
120 const unsigned int usage = AOM_USAGE_GOOD_QUALITY;
121 EXPECT_EQ(AOM_CODEC_OK, aom_codec_enc_config_default(iface, &cfg, usage));
122 cfg.g_w = kWidth;
123 cfg.g_h = kHeight;
124 cfg.rc_end_usage = AOM_Q;
125 cfg.g_profile = 1;
126 cfg.g_bit_depth = AOM_BITS_8;
127 cfg.g_input_bit_depth = 8;
128 cfg.g_lag_in_frames = 0;
129 cfg.rc_min_quantizer = 0;
130 cfg.rc_max_quantizer = 0;
131 aom_codec_ctx_t enc;
132 EXPECT_EQ(AOM_CODEC_OK, aom_codec_enc_init(&enc, iface, &cfg, 0));
133 EXPECT_EQ(AOM_CODEC_OK, aom_codec_control(&enc, AOME_SET_CQ_LEVEL, 0));
134 EXPECT_EQ(AOM_CODEC_OK, aom_codec_control(&enc, AV1E_SET_LOSSLESS, 1));
135 EXPECT_EQ(AOM_CODEC_OK,
136 aom_codec_control(&enc, AOME_SET_NUMBER_SPATIAL_LAYERS, 2));
137 EXPECT_EQ(AOM_CODEC_OK, aom_codec_control(&enc, AOME_SET_CPUUSED, 6));
138 EXPECT_EQ(AOM_CODEC_OK,
139 aom_codec_control(&enc, AV1E_SET_COLOR_RANGE, AOM_CR_FULL_RANGE));
140 EXPECT_EQ(AOM_CODEC_OK,
141 aom_codec_control(&enc, AOME_SET_TUNING, AOM_TUNE_SSIM));
142
143 // First frame (layer 0)
144 EXPECT_EQ(AOM_CODEC_OK,
145 aom_codec_control(&enc, AOME_SET_SPATIAL_LAYER_ID, 0));
146 aom_scaling_mode_t scaling_mode = { AOME_ONETWO, AOME_ONETWO };
147 EXPECT_EQ(AOM_CODEC_OK,
148 aom_codec_control(&enc, AOME_SET_SCALEMODE, &scaling_mode));
149 EXPECT_EQ(AOM_CODEC_OK, aom_codec_encode(&enc, &img, 0, 1, 0));
150 aom_codec_iter_t iter = nullptr;
151 const aom_codec_cx_pkt_t *pkt = aom_codec_get_cx_data(&enc, &iter);
152 EXPECT_NE(pkt, nullptr);
153 EXPECT_EQ(pkt->kind, AOM_CODEC_CX_FRAME_PKT);
154 // pkt->data.frame.flags is 0x1f0011.
155 EXPECT_EQ(pkt->data.frame.flags & AOM_FRAME_IS_KEY, AOM_FRAME_IS_KEY);
156 pkt = aom_codec_get_cx_data(&enc, &iter);
157 EXPECT_EQ(pkt, nullptr);
158
159 // Second frame (layer 1)
160 EXPECT_EQ(AOM_CODEC_OK,
161 aom_codec_control(&enc, AOME_SET_SPATIAL_LAYER_ID, 1));
162 aom_enc_frame_flags_t encode_flags =
163 AOM_EFLAG_NO_REF_GF | AOM_EFLAG_NO_REF_ARF | AOM_EFLAG_NO_REF_BWD |
164 AOM_EFLAG_NO_REF_ARF2 | AOM_EFLAG_NO_UPD_GF | AOM_EFLAG_NO_UPD_ARF;
165 EXPECT_EQ(AOM_CODEC_OK, aom_codec_encode(&enc, &img, 0, 1, encode_flags));
166 iter = nullptr;
167 pkt = aom_codec_get_cx_data(&enc, &iter);
168 EXPECT_NE(pkt, nullptr);
169 EXPECT_EQ(pkt->kind, AOM_CODEC_CX_FRAME_PKT);
170 // pkt->data.frame.flags is 0.
171 EXPECT_EQ(pkt->data.frame.flags & AOM_FRAME_IS_KEY, 0u);
172 pkt = aom_codec_get_cx_data(&enc, &iter);
173 EXPECT_EQ(pkt, nullptr);
174
175 // Flush encoder
176 EXPECT_EQ(AOM_CODEC_OK, aom_codec_encode(&enc, nullptr, 0, 1, 0));
177 iter = nullptr;
178 pkt = aom_codec_get_cx_data(&enc, &iter);
179 EXPECT_EQ(pkt, nullptr);
180
181 EXPECT_EQ(AOM_CODEC_OK, aom_codec_destroy(&enc));
182 }
183
184 } // namespace
185