1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
|
/*
* Copyright (c) 2020 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 <new>
#include "test/codec_factory.h"
#include "test/encode_test_driver.h"
#include "test/util.h"
#include "test/yuv_video_source.h"
#include "third_party/googletest/src/include/gtest/gtest.h"
#include "vpx/vpx_ext_ratectrl.h"
namespace {
constexpr int kModelMagicNumber = 51396;
constexpr unsigned int PrivMagicNumber = 5566;
constexpr int kFrameNum = 5;
constexpr int kLosslessCodingIndex = 2;
struct ToyRateCtrl {
int magic_number;
int coding_index;
};
vpx_rc_status_t rc_create_model(void *priv,
const vpx_rc_config_t *ratectrl_config,
vpx_rc_model_t *rate_ctrl_model_pt) {
ToyRateCtrl *toy_rate_ctrl = new (std::nothrow) ToyRateCtrl;
EXPECT_NE(toy_rate_ctrl, nullptr);
toy_rate_ctrl->magic_number = kModelMagicNumber;
toy_rate_ctrl->coding_index = -1;
*rate_ctrl_model_pt = toy_rate_ctrl;
EXPECT_EQ(priv, reinterpret_cast<void *>(PrivMagicNumber));
EXPECT_EQ(ratectrl_config->frame_width, 352);
EXPECT_EQ(ratectrl_config->frame_height, 288);
EXPECT_EQ(ratectrl_config->show_frame_count, kFrameNum);
EXPECT_EQ(ratectrl_config->target_bitrate_kbps, 24000);
EXPECT_EQ(ratectrl_config->frame_rate_num, 30);
EXPECT_EQ(ratectrl_config->frame_rate_den, 1);
return VPX_RC_OK;
}
vpx_rc_status_t rc_send_firstpass_stats(
vpx_rc_model_t rate_ctrl_model,
const vpx_rc_firstpass_stats_t *first_pass_stats) {
const ToyRateCtrl *toy_rate_ctrl =
static_cast<ToyRateCtrl *>(rate_ctrl_model);
EXPECT_EQ(toy_rate_ctrl->magic_number, kModelMagicNumber);
EXPECT_EQ(first_pass_stats->num_frames, kFrameNum);
for (int i = 0; i < first_pass_stats->num_frames; ++i) {
EXPECT_DOUBLE_EQ(first_pass_stats->frame_stats[i].frame, i);
}
return VPX_RC_OK;
}
vpx_rc_status_t rc_get_encodeframe_decision(
vpx_rc_model_t rate_ctrl_model,
const vpx_rc_encodeframe_info_t *encode_frame_info,
vpx_rc_encodeframe_decision_t *frame_decision) {
ToyRateCtrl *toy_rate_ctrl = static_cast<ToyRateCtrl *>(rate_ctrl_model);
toy_rate_ctrl->coding_index += 1;
EXPECT_EQ(toy_rate_ctrl->magic_number, kModelMagicNumber);
EXPECT_LT(encode_frame_info->show_index, kFrameNum);
EXPECT_EQ(encode_frame_info->coding_index, toy_rate_ctrl->coding_index);
if (encode_frame_info->coding_index == 0) {
EXPECT_EQ(encode_frame_info->show_index, 0);
EXPECT_EQ(encode_frame_info->gop_index, 0);
EXPECT_EQ(encode_frame_info->frame_type, 0 /*kFrameTypeKey*/);
EXPECT_EQ(encode_frame_info->ref_frame_valid_list[0],
0); // kRefFrameTypeLast
EXPECT_EQ(encode_frame_info->ref_frame_valid_list[1],
0); // kRefFrameTypePast
EXPECT_EQ(encode_frame_info->ref_frame_valid_list[2],
0); // kRefFrameTypeFuture
}
if (encode_frame_info->coding_index == 1) {
EXPECT_EQ(encode_frame_info->show_index, 4);
EXPECT_EQ(encode_frame_info->gop_index, 1);
EXPECT_EQ(encode_frame_info->frame_type, 2 /*kFrameTypeAltRef*/);
EXPECT_EQ(encode_frame_info->ref_frame_valid_list[0],
1); // kRefFrameTypeLast
EXPECT_EQ(encode_frame_info->ref_frame_valid_list[1],
0); // kRefFrameTypePast
EXPECT_EQ(encode_frame_info->ref_frame_valid_list[2],
0); // kRefFrameTypeFuture
EXPECT_EQ(encode_frame_info->ref_frame_coding_indexes[0],
0); // kRefFrameTypeLast
}
if (encode_frame_info->coding_index >= 2 &&
encode_frame_info->coding_index < 5) {
// In the first group of pictures, coding_index and gop_index are equal.
EXPECT_EQ(encode_frame_info->gop_index, encode_frame_info->coding_index);
EXPECT_EQ(encode_frame_info->frame_type, 1 /*kFrameTypeInter*/);
}
if (encode_frame_info->coding_index == 5) {
EXPECT_EQ(encode_frame_info->show_index, 4);
EXPECT_EQ(encode_frame_info->gop_index, 0);
EXPECT_EQ(encode_frame_info->frame_type, 3 /*kFrameTypeOverlay*/);
EXPECT_EQ(encode_frame_info->ref_frame_valid_list[0],
1); // kRefFrameTypeLast
EXPECT_EQ(encode_frame_info->ref_frame_valid_list[1],
1); // kRefFrameTypePast
EXPECT_EQ(encode_frame_info->ref_frame_valid_list[2],
1); // kRefFrameTypeFuture
EXPECT_EQ(encode_frame_info->ref_frame_coding_indexes[0],
4); // kRefFrameTypeLast
EXPECT_EQ(encode_frame_info->ref_frame_coding_indexes[1],
0); // kRefFrameTypePast
EXPECT_EQ(encode_frame_info->ref_frame_coding_indexes[2],
1); // kRefFrameTypeFuture
}
if (encode_frame_info->coding_index == kLosslessCodingIndex) {
// We should get sse == 0 at rc_update_encodeframe_result()
frame_decision->q_index = 0;
} else {
frame_decision->q_index = 100;
}
frame_decision->max_frame_size = 0;
return VPX_RC_OK;
}
vpx_rc_status_t rc_update_encodeframe_result(
vpx_rc_model_t rate_ctrl_model,
const vpx_rc_encodeframe_result_t *encode_frame_result) {
const ToyRateCtrl *toy_rate_ctrl =
static_cast<ToyRateCtrl *>(rate_ctrl_model);
EXPECT_EQ(toy_rate_ctrl->magic_number, kModelMagicNumber);
const int64_t ref_pixel_count = 352 * 288 * 3 / 2;
EXPECT_EQ(encode_frame_result->pixel_count, ref_pixel_count);
if (toy_rate_ctrl->coding_index == kLosslessCodingIndex) {
EXPECT_EQ(encode_frame_result->sse, 0);
}
if (toy_rate_ctrl->coding_index == kLosslessCodingIndex) {
EXPECT_EQ(encode_frame_result->actual_encoding_qindex, 0);
} else {
EXPECT_EQ(encode_frame_result->actual_encoding_qindex, 100);
}
return VPX_RC_OK;
}
vpx_rc_status_t rc_delete_model(vpx_rc_model_t rate_ctrl_model) {
ToyRateCtrl *toy_rate_ctrl = static_cast<ToyRateCtrl *>(rate_ctrl_model);
EXPECT_EQ(toy_rate_ctrl->magic_number, kModelMagicNumber);
delete toy_rate_ctrl;
return VPX_RC_OK;
}
class ExtRateCtrlTest : public ::libvpx_test::EncoderTest,
public ::testing::Test {
protected:
ExtRateCtrlTest() : EncoderTest(&::libvpx_test::kVP9) {}
~ExtRateCtrlTest() override = default;
void SetUp() override {
InitializeConfig();
SetMode(::libvpx_test::kTwoPassGood);
}
void PreEncodeFrameHook(::libvpx_test::VideoSource *video,
::libvpx_test::Encoder *encoder) override {
if (video->frame() == 0) {
vpx_rc_funcs_t rc_funcs;
rc_funcs.create_model = rc_create_model;
rc_funcs.send_firstpass_stats = rc_send_firstpass_stats;
rc_funcs.get_encodeframe_decision = rc_get_encodeframe_decision;
rc_funcs.update_encodeframe_result = rc_update_encodeframe_result;
rc_funcs.delete_model = rc_delete_model;
rc_funcs.priv = reinterpret_cast<void *>(PrivMagicNumber);
encoder->Control(VP9E_SET_EXTERNAL_RATE_CONTROL, &rc_funcs);
}
}
};
TEST_F(ExtRateCtrlTest, EncodeTest) {
cfg_.rc_target_bitrate = 24000;
std::unique_ptr<libvpx_test::VideoSource> video;
video.reset(new (std::nothrow) libvpx_test::YUVVideoSource(
"bus_352x288_420_f20_b8.yuv", VPX_IMG_FMT_I420, 352, 288, 30, 1, 0,
kFrameNum));
ASSERT_NE(video.get(), nullptr);
ASSERT_NO_FATAL_FAILURE(RunLoop(video.get()));
}
} // namespace
|
