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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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Chromium Code Reviews
Issue 906403006:
[Cast] Size-Adaptable platform video encoders. (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master