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1 // Copyright 2014 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #include <vector> | |
6 | |
7 #include "base/bind.h" | |
8 #include "base/memory/ref_counted.h" | |
9 #include "base/memory/scoped_ptr.h" | |
10 #include "media/base/video_frame.h" | |
11 #include "media/cast/cast_defines.h" | |
12 #include "media/cast/cast_environment.h" | |
13 #include "media/cast/sender/external_video_encoder.h" | |
14 #include "media/cast/sender/fake_video_encode_accelerator_factory.h" | |
15 #include "media/cast/test/fake_single_thread_task_runner.h" | |
16 #include "media/cast/test/utility/video_utility.h" | |
17 #include "media/video/fake_video_encode_accelerator.h" | |
18 #include "testing/gmock/include/gmock/gmock.h" | |
19 | |
20 namespace media { | |
21 namespace cast { | |
22 | |
23 using testing::_; | |
24 | |
25 namespace { | |
26 | |
27 class TestVideoEncoderCallback | |
28 : public base::RefCountedThreadSafe<TestVideoEncoderCallback> { | |
29 public: | |
30 TestVideoEncoderCallback() {} | |
31 | |
32 void SetExpectedResult(uint32 expected_frame_id, | |
33 uint32 expected_last_referenced_frame_id, | |
34 uint32 expected_rtp_timestamp, | |
35 const base::TimeTicks& expected_reference_time) { | |
36 expected_frame_id_ = expected_frame_id; | |
37 expected_last_referenced_frame_id_ = expected_last_referenced_frame_id; | |
38 expected_rtp_timestamp_ = expected_rtp_timestamp; | |
39 expected_reference_time_ = expected_reference_time; | |
40 } | |
41 | |
42 void DeliverEncodedVideoFrame( | |
43 scoped_ptr<EncodedFrame> encoded_frame) { | |
44 if (expected_frame_id_ == expected_last_referenced_frame_id_) { | |
45 EXPECT_EQ(EncodedFrame::KEY, encoded_frame->dependency); | |
46 } else { | |
47 EXPECT_EQ(EncodedFrame::DEPENDENT, | |
48 encoded_frame->dependency); | |
49 } | |
50 EXPECT_EQ(expected_frame_id_, encoded_frame->frame_id); | |
51 EXPECT_EQ(expected_last_referenced_frame_id_, | |
52 encoded_frame->referenced_frame_id); | |
53 EXPECT_EQ(expected_rtp_timestamp_, encoded_frame->rtp_timestamp); | |
54 EXPECT_EQ(expected_reference_time_, encoded_frame->reference_time); | |
55 } | |
56 | |
57 protected: | |
58 virtual ~TestVideoEncoderCallback() {} | |
59 | |
60 private: | |
61 friend class base::RefCountedThreadSafe<TestVideoEncoderCallback>; | |
62 | |
63 uint32 expected_frame_id_; | |
64 uint32 expected_last_referenced_frame_id_; | |
65 uint32 expected_rtp_timestamp_; | |
66 base::TimeTicks expected_reference_time_; | |
67 | |
68 DISALLOW_COPY_AND_ASSIGN(TestVideoEncoderCallback); | |
69 }; | |
70 } // namespace | |
71 | |
72 class ExternalVideoEncoderTest : public ::testing::Test { | |
73 protected: | |
74 ExternalVideoEncoderTest() | |
75 : testing_clock_(new base::SimpleTestTickClock()), | |
76 task_runner_(new test::FakeSingleThreadTaskRunner(testing_clock_)), | |
77 cast_environment_(new CastEnvironment( | |
78 scoped_ptr<base::TickClock>(testing_clock_).Pass(), | |
79 task_runner_, | |
80 task_runner_, | |
81 task_runner_)), | |
82 vea_factory_(task_runner_), | |
83 operational_status_(STATUS_UNINITIALIZED), | |
84 test_video_encoder_callback_(new TestVideoEncoderCallback()) { | |
85 testing_clock_->Advance(base::TimeTicks::Now() - base::TimeTicks()); | |
86 | |
87 video_config_.ssrc = 1; | |
88 video_config_.receiver_ssrc = 2; | |
89 video_config_.rtp_payload_type = 127; | |
90 video_config_.use_external_encoder = true; | |
91 video_config_.max_bitrate = 5000000; | |
92 video_config_.min_bitrate = 1000000; | |
93 video_config_.start_bitrate = 2000000; | |
94 video_config_.max_qp = 56; | |
95 video_config_.min_qp = 0; | |
96 video_config_.max_frame_rate = 30; | |
97 video_config_.max_number_of_video_buffers_used = 3; | |
98 video_config_.codec = CODEC_VIDEO_VP8; | |
99 const gfx::Size size(320, 240); | |
100 video_frame_ = media::VideoFrame::CreateFrame( | |
101 VideoFrame::I420, size, gfx::Rect(size), size, base::TimeDelta()); | |
102 PopulateVideoFrame(video_frame_.get(), 123); | |
103 | |
104 video_encoder_.reset(new ExternalVideoEncoder( | |
105 cast_environment_, | |
106 video_config_, | |
107 size, | |
108 base::Bind(&ExternalVideoEncoderTest::SaveOperationalStatus, | |
109 base::Unretained(this)), | |
110 base::Bind( | |
111 &FakeVideoEncodeAcceleratorFactory::CreateVideoEncodeAccelerator, | |
112 base::Unretained(&vea_factory_)), | |
113 base::Bind(&FakeVideoEncodeAcceleratorFactory::CreateSharedMemory, | |
114 base::Unretained(&vea_factory_)))); | |
115 } | |
116 | |
117 ~ExternalVideoEncoderTest() override {} | |
118 | |
119 void AdvanceClockAndVideoFrameTimestamp() { | |
120 testing_clock_->Advance(base::TimeDelta::FromMilliseconds(33)); | |
121 video_frame_->set_timestamp( | |
122 video_frame_->timestamp() + base::TimeDelta::FromMilliseconds(33)); | |
123 } | |
124 | |
125 void SaveOperationalStatus(OperationalStatus result) { | |
126 EXPECT_EQ(STATUS_UNINITIALIZED, operational_status_); | |
127 operational_status_ = result; | |
128 } | |
129 | |
130 base::SimpleTestTickClock* const testing_clock_; // Owned by CastEnvironment. | |
131 const scoped_refptr<test::FakeSingleThreadTaskRunner> task_runner_; | |
132 const scoped_refptr<CastEnvironment> cast_environment_; | |
133 FakeVideoEncodeAcceleratorFactory vea_factory_; | |
134 OperationalStatus operational_status_; | |
135 scoped_refptr<TestVideoEncoderCallback> test_video_encoder_callback_; | |
136 VideoSenderConfig video_config_; | |
137 scoped_ptr<VideoEncoder> video_encoder_; | |
138 scoped_refptr<media::VideoFrame> video_frame_; | |
139 | |
140 DISALLOW_COPY_AND_ASSIGN(ExternalVideoEncoderTest); | |
141 }; | |
142 | |
143 TEST_F(ExternalVideoEncoderTest, EncodePattern30fpsRunningOutOfAck) { | |
144 vea_factory_.SetAutoRespond(true); | |
145 task_runner_->RunTasks(); // Run the initializer on the correct thread. | |
146 EXPECT_EQ(STATUS_INITIALIZED, operational_status_); | |
147 | |
148 VideoEncoder::FrameEncodedCallback frame_encoded_callback = | |
149 base::Bind(&TestVideoEncoderCallback::DeliverEncodedVideoFrame, | |
150 test_video_encoder_callback_.get()); | |
151 | |
152 test_video_encoder_callback_->SetExpectedResult( | |
153 0, 0, TimeDeltaToRtpDelta(video_frame_->timestamp(), kVideoFrequency), | |
154 testing_clock_->NowTicks()); | |
155 video_encoder_->SetBitRate(2000); | |
156 EXPECT_TRUE(video_encoder_->EncodeVideoFrame( | |
157 video_frame_, testing_clock_->NowTicks(), frame_encoded_callback)); | |
158 task_runner_->RunTasks(); | |
159 | |
160 for (int i = 0; i < 6; ++i) { | |
161 AdvanceClockAndVideoFrameTimestamp(); | |
162 test_video_encoder_callback_->SetExpectedResult( | |
163 i + 1, | |
164 i, | |
165 TimeDeltaToRtpDelta(video_frame_->timestamp(), kVideoFrequency), | |
166 testing_clock_->NowTicks()); | |
167 EXPECT_TRUE(video_encoder_->EncodeVideoFrame( | |
168 video_frame_, testing_clock_->NowTicks(), frame_encoded_callback)); | |
169 task_runner_->RunTasks(); | |
170 } | |
171 | |
172 ASSERT_EQ(1u, vea_factory_.last_response_vea()->stored_bitrates().size()); | |
173 EXPECT_EQ(2000u, vea_factory_.last_response_vea()->stored_bitrates()[0]); | |
174 | |
175 // We need to run the task to cleanup the GPU instance. | |
176 video_encoder_.reset(NULL); | |
177 task_runner_->RunTasks(); | |
178 | |
179 EXPECT_EQ(1, vea_factory_.vea_response_count()); | |
180 EXPECT_EQ(3, vea_factory_.shm_response_count()); | |
181 } | |
182 | |
183 TEST_F(ExternalVideoEncoderTest, StreamHeader) { | |
184 vea_factory_.SetAutoRespond(true); | |
185 task_runner_->RunTasks(); // Run the initializer on the correct thread. | |
186 EXPECT_EQ(STATUS_INITIALIZED, operational_status_); | |
187 | |
188 VideoEncoder::FrameEncodedCallback frame_encoded_callback = | |
189 base::Bind(&TestVideoEncoderCallback::DeliverEncodedVideoFrame, | |
190 test_video_encoder_callback_.get()); | |
191 | |
192 // Force the FakeVideoEncodeAccelerator to return a dummy non-key frame first. | |
193 vea_factory_.last_response_vea()->SendDummyFrameForTesting(false); | |
194 | |
195 // Verify the first returned bitstream buffer is still a key frame. | |
196 test_video_encoder_callback_->SetExpectedResult( | |
197 0, 0, TimeDeltaToRtpDelta(video_frame_->timestamp(), kVideoFrequency), | |
198 testing_clock_->NowTicks()); | |
199 EXPECT_TRUE(video_encoder_->EncodeVideoFrame( | |
200 video_frame_, testing_clock_->NowTicks(), frame_encoded_callback)); | |
201 task_runner_->RunTasks(); | |
202 | |
203 // We need to run the task to cleanup the GPU instance. | |
204 video_encoder_.reset(NULL); | |
205 task_runner_->RunTasks(); | |
206 | |
207 EXPECT_EQ(1, vea_factory_.vea_response_count()); | |
208 EXPECT_EQ(3, vea_factory_.shm_response_count()); | |
209 } | |
210 | |
211 // Verify that everything goes well even if ExternalVideoEncoder is destroyed | |
212 // before it has a chance to receive the VEA creation callback. | |
213 TEST_F(ExternalVideoEncoderTest, DestroyBeforeVEACreatedCallback) { | |
214 video_encoder_.reset(); | |
215 EXPECT_EQ(0, vea_factory_.vea_response_count()); | |
216 vea_factory_.SetAutoRespond(true); | |
217 task_runner_->RunTasks(); | |
218 EXPECT_EQ(1, vea_factory_.vea_response_count()); | |
219 EXPECT_EQ(STATUS_UNINITIALIZED, operational_status_); | |
220 } | |
221 | |
222 } // namespace cast | |
223 } // namespace media | |
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