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
|
/*
* Copyright (c) 2022 The WebRTC 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 "modules/desktop_capture/linux/wayland/shared_screencast_stream.h"
#include <memory>
#include <utility>
#include "api/units/time_delta.h"
#include "modules/desktop_capture/desktop_capturer.h"
#include "modules/desktop_capture/desktop_frame.h"
#include "modules/desktop_capture/linux/wayland/test/test_screencast_stream_provider.h"
#include "modules/desktop_capture/rgba_color.h"
#include "rtc_base/event.h"
#include "test/gmock.h"
#include "test/gtest.h"
using ::testing::_;
using ::testing::AtLeast;
using ::testing::Ge;
using ::testing::Invoke;
namespace webrtc {
constexpr TimeDelta kShortWait = TimeDelta::Seconds(5);
constexpr TimeDelta kLongWait = TimeDelta::Seconds(15);
constexpr int kBytesPerPixel = 4;
constexpr int32_t kWidth = 800;
constexpr int32_t kHeight = 640;
class PipeWireStreamTest : public ::testing::Test,
public TestScreenCastStreamProvider::Observer,
public SharedScreenCastStream::Observer {
public:
PipeWireStreamTest() = default;
~PipeWireStreamTest() = default;
// FakeScreenCastPortal::Observer
MOCK_METHOD(void, OnBufferAdded, (), (override));
MOCK_METHOD(void, OnFrameRecorded, (), (override));
MOCK_METHOD(void, OnStreamReady, (uint32_t stream_node_id), (override));
MOCK_METHOD(void, OnStartStreaming, (), (override));
MOCK_METHOD(void, OnStopStreaming, (), (override));
// SharedScreenCastStream::Observer
MOCK_METHOD(void, OnCursorPositionChanged, (), (override));
MOCK_METHOD(void, OnCursorShapeChanged, (), (override));
MOCK_METHOD(void, OnDesktopFrameChanged, (), (override));
MOCK_METHOD(void, OnFailedToProcessBuffer, (), (override));
MOCK_METHOD(void, OnStreamConfigured, (), (override));
MOCK_METHOD(void, OnFrameRateChanged, (uint32_t), (override));
void SetUp() override {
shared_screencast_stream_ = SharedScreenCastStream::CreateDefault();
shared_screencast_stream_->SetObserver(this);
test_screencast_stream_provider_ =
std::make_unique<TestScreenCastStreamProvider>(this, kWidth, kHeight);
}
void StartScreenCastStream(uint32_t stream_node_id) {
shared_screencast_stream_->StartScreenCastStream(stream_node_id);
}
protected:
uint recorded_frames_ = 0;
bool streaming_ = false;
std::unique_ptr<TestScreenCastStreamProvider>
test_screencast_stream_provider_;
rtc::scoped_refptr<SharedScreenCastStream> shared_screencast_stream_;
};
TEST_F(PipeWireStreamTest, TestPipeWire) {
// Set expectations for PipeWire to successfully connect both streams
rtc::Event waitConnectEvent;
rtc::Event waitStartStreamingEvent;
rtc::Event waitStreamParamChangedEvent1;
rtc::Event waitStreamParamChangedEvent2;
EXPECT_CALL(*this, OnStreamReady(_))
.WillOnce(Invoke(this, &PipeWireStreamTest::StartScreenCastStream));
EXPECT_CALL(*this, OnStreamConfigured).WillOnce([&waitConnectEvent] {
waitConnectEvent.Set();
});
EXPECT_CALL(*this, OnBufferAdded).Times(AtLeast(3));
EXPECT_CALL(*this, OnStartStreaming).WillOnce([&waitStartStreamingEvent] {
waitStartStreamingEvent.Set();
});
EXPECT_CALL(*this, OnFrameRateChanged(60)).Times(1); // Default frame rate.
// Give it some time to connect, the order between these shouldn't matter, but
// we need to be sure we are connected before we proceed to work with frames.
waitConnectEvent.Wait(kLongWait);
// Wait until we start streaming
waitStartStreamingEvent.Wait(kShortWait);
rtc::Event frameRetrievedEvent;
EXPECT_CALL(*this, OnFrameRecorded).Times(3);
EXPECT_CALL(*this, OnDesktopFrameChanged)
.WillRepeatedly([&frameRetrievedEvent] { frameRetrievedEvent.Set(); });
// Record a frame in FakePipeWireStream
RgbaColor red_color(0, 0, 255);
test_screencast_stream_provider_->RecordFrame(red_color);
// Retrieve a frame from SharedScreenCastStream
frameRetrievedEvent.Wait(kShortWait);
std::unique_ptr<SharedDesktopFrame> frame =
shared_screencast_stream_->CaptureFrame();
// Check frame parameters
ASSERT_NE(frame, nullptr);
ASSERT_NE(frame->data(), nullptr);
EXPECT_EQ(frame->rect().width(), kWidth);
EXPECT_EQ(frame->rect().height(), kHeight);
EXPECT_EQ(frame->stride(), frame->rect().width() * kBytesPerPixel);
EXPECT_EQ(RgbaColor(frame->data()), red_color);
// Test DesktopFrameQueue
RgbaColor green_color(0, 255, 0);
test_screencast_stream_provider_->RecordFrame(green_color);
frameRetrievedEvent.Wait(kShortWait);
std::unique_ptr<SharedDesktopFrame> frame2 =
shared_screencast_stream_->CaptureFrame();
ASSERT_NE(frame2, nullptr);
ASSERT_NE(frame2->data(), nullptr);
EXPECT_EQ(frame2->rect().width(), kWidth);
EXPECT_EQ(frame2->rect().height(), kHeight);
EXPECT_EQ(frame2->stride(), frame->rect().width() * kBytesPerPixel);
EXPECT_EQ(RgbaColor(frame2->data()), green_color);
// Thanks to DesktopFrameQueue we should be able to have two frames shared
EXPECT_EQ(frame->IsShared(), true);
EXPECT_EQ(frame2->IsShared(), true);
EXPECT_NE(frame->data(), frame2->data());
// This should result into overwriting a frame in use
rtc::Event frameRecordedEvent;
RgbaColor blue_color(255, 0, 0);
EXPECT_CALL(*this, OnFailedToProcessBuffer).WillOnce([&frameRecordedEvent] {
frameRecordedEvent.Set();
});
test_screencast_stream_provider_->RecordFrame(blue_color);
frameRecordedEvent.Wait(kShortWait);
// First frame should be now overwritten with blue color
frameRetrievedEvent.Wait(kShortWait);
EXPECT_EQ(RgbaColor(frame->data()), blue_color);
// Update stream parameters.
EXPECT_CALL(*this, OnFrameRateChanged(0))
.Times(1)
.WillOnce([&waitStreamParamChangedEvent1] {
waitStreamParamChangedEvent1.Set();
});
shared_screencast_stream_->UpdateScreenCastStreamFrameRate(0);
waitStreamParamChangedEvent1.Wait(kShortWait);
EXPECT_CALL(*this, OnFrameRateChanged(22))
.Times(1)
.WillOnce([&waitStreamParamChangedEvent2] {
waitStreamParamChangedEvent2.Set();
});
shared_screencast_stream_->UpdateScreenCastStreamFrameRate(22);
waitStreamParamChangedEvent2.Wait(kShortWait);
// Test disconnection from stream
EXPECT_CALL(*this, OnStopStreaming);
shared_screencast_stream_->StopScreenCastStream();
}
} // namespace webrtc
|
