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
|
#include "av_test_support.hh"
#include <algorithm>
#include <cmath>
#include <cstdint>
#include <cstdlib>
#include <cstring>
#include "../toxcore/os_memory.h"
// Mock Time
std::uint64_t mock_time_cb(void *_Nullable ud) { return static_cast<MockTime *>(ud)->t; }
// RTP Mock
int RtpMock::send_packet(
void *_Nullable user_data, const std::uint8_t *_Nonnull data, std::uint16_t length)
{
auto *self = static_cast<RtpMock *>(user_data);
if (self->capture_packets) {
if (self->store_last_packet_only) {
if (self->captured_packets.empty()) {
self->captured_packets.emplace_back(data, data + length);
} else {
self->captured_packets[0].assign(data, data + length);
}
} else {
self->captured_packets.push_back(std::vector<std::uint8_t>(data, data + length));
}
}
if (self->auto_forward && self->recv_session) {
rtp_receive_packet(self->recv_session, data, length);
}
return 0;
}
int RtpMock::audio_cb(
const Mono_Time *_Nonnull mono_time, void *_Nullable cs, RTPMessage *_Nonnull msg)
{
return ac_queue_message(mono_time, cs, msg);
}
int RtpMock::video_cb(
const Mono_Time *_Nonnull mono_time, void *_Nullable cs, RTPMessage *_Nonnull msg)
{
return vc_queue_message(mono_time, cs, msg);
}
int RtpMock::noop_cb(
const Mono_Time *_Nonnull /*mono_time*/, void *_Nullable /*cs*/, RTPMessage *_Nonnull msg)
{
std::free(msg);
return 0;
}
// Audio Helpers
void fill_audio_frame(std::uint32_t sampling_rate, std::uint8_t channels, int frame_index,
std::size_t sample_count, std::vector<std::int16_t> &pcm)
{
const double pi = std::acos(-1.0);
double amplitude = 10000.0;
for (std::size_t i = 0; i < sample_count; ++i) {
double t = static_cast<double>(frame_index * sample_count + i) / sampling_rate;
// Linear frequency sweep from 50Hz to 440Hz over 1 second (50 frames)
// f(t) = 50 + 390t
// phi(t) = 2*pi * (50t + 195t^2)
double phi = 2.0 * pi * (50.0 * t + 195.0 * t * t);
std::int16_t val = static_cast<std::int16_t>(std::sin(phi) * amplitude);
for (std::uint8_t c = 0; c < channels; ++c) {
pcm[i * channels + c] = val;
}
}
}
void fill_silent_frame(
std::uint8_t channels, std::size_t sample_count, std::vector<std::int16_t> &pcm)
{
for (std::size_t i = 0; i < sample_count * channels; ++i) {
// Very low amplitude white noise (simulating silence with background hiss)
pcm[i] = (std::rand() % 21) - 10;
}
}
AudioTestData::AudioTestData() = default;
AudioTestData::~AudioTestData() = default;
void AudioTestData::receive_frame(std::uint32_t friend_number, const std::int16_t *_Nonnull pcm,
std::size_t sample_count, std::uint8_t channels, std::uint32_t sampling_rate,
void *_Nullable user_data)
{
auto *self = static_cast<AudioTestData *>(user_data);
self->friend_number = friend_number;
self->last_pcm.assign(pcm, pcm + sample_count * channels);
self->sample_count = sample_count;
self->channels = channels;
self->sampling_rate = sampling_rate;
}
// Video Helpers
void fill_video_frame(std::uint16_t width, std::uint16_t height, int frame_index,
std::vector<std::uint8_t> &y, std::vector<std::uint8_t> &u, std::vector<std::uint8_t> &v)
{
// Background (dark gray)
std::fill(y.begin(), y.end(), 32);
std::fill(u.begin(), u.end(), 128);
std::fill(v.begin(), v.end(), 128);
// Moving square (light gray)
int sq_size = height / 4;
if (sq_size < 16)
sq_size = 16;
int x0 = (frame_index * 8) % (width - sq_size);
int y0 = (frame_index * 4) % (height - sq_size);
for (int r = 0; r < sq_size; ++r) {
for (int c = 0; c < sq_size; ++c) {
y[(y0 + r) * width + (x0 + c)] = 200;
}
}
}
double calculate_video_mse(std::uint16_t width, std::uint16_t height, std::int32_t ystride,
const std::vector<std::uint8_t> &y_recv, const std::vector<std::uint8_t> &y_orig)
{
if (y_recv.empty() || y_orig.size() != static_cast<std::size_t>(width) * height) {
return 1e10;
}
double mse = 0;
for (int r = 0; r < height; ++r) {
for (int c = 0; c < width; ++c) {
int diff = static_cast<int>(y_orig[r * width + c]) - y_recv[r * std::abs(ystride) + c];
mse += diff * diff;
}
}
return mse / (static_cast<std::size_t>(width) * height);
}
// Video Test Data Helper
VideoTestData::VideoTestData() = default;
VideoTestData::~VideoTestData() = default;
void VideoTestData::receive_frame(std::uint32_t friend_number, std::uint16_t width,
std::uint16_t height, const std::uint8_t *_Nonnull y, const std::uint8_t *_Nonnull u,
const std::uint8_t *_Nonnull v, std::int32_t ystride, std::int32_t ustride,
std::int32_t vstride, void *_Nullable user_data)
{
auto *self = static_cast<VideoTestData *>(user_data);
self->friend_number = friend_number;
self->width = width;
self->height = height;
self->ystride = ystride;
self->ustride = ustride;
self->vstride = vstride;
self->y.assign(y, y + static_cast<std::size_t>(std::abs(ystride)) * height);
self->u.assign(u, u + static_cast<std::size_t>(std::abs(ustride)) * (height / 2));
self->v.assign(v, v + static_cast<std::size_t>(std::abs(vstride)) * (height / 2));
}
double VideoTestData::calculate_mse(const std::vector<std::uint8_t> &y_orig) const
{
return calculate_video_mse(width, height, ystride, y, y_orig);
}
// Common Test Fixture
void AvTest::SetUp()
{
mem = os_memory();
log = logger_new(mem);
tm.t = 1000;
mono_time = mono_time_new(mem, mock_time_cb, &tm);
mono_time_update(mono_time);
}
void AvTest::TearDown()
{
mono_time_free(mem, mono_time);
logger_kill(log);
}
|
