1 // Copyright 2013 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 "base/bind.h" 6 #include "base/bind_helpers.h" 7 #include "base/memory/scoped_ptr.h" 8 #include "base/test/simple_test_tick_clock.h" 9 #include "media/base/media.h" 10 #include "media/cast/audio_sender/audio_sender.h" 11 #include "media/cast/cast_config.h" 12 #include "media/cast/cast_environment.h" 13 #include "media/cast/net/pacing/mock_paced_packet_sender.h" 14 #include "media/cast/test/audio_utility.h" 15 #include "media/cast/test/fake_task_runner.h" 16 #include "testing/gtest/include/gtest/gtest.h" 17 18 namespace media { 19 namespace cast { 20 21 static const int64 kStartMillisecond = GG_INT64_C(12345678900000); 22 23 using testing::_; 24 using testing::AtLeast; 25 26 class AudioSenderTest : public ::testing::Test { 27 protected: 28 AudioSenderTest() { 29 InitializeMediaLibraryForTesting(); 30 testing_clock_.Advance( 31 base::TimeDelta::FromMilliseconds(kStartMillisecond)); 32 } 33 34 virtual void SetUp() { 35 task_runner_ = new test::FakeTaskRunner(&testing_clock_); 36 cast_environment_ = new CastEnvironment(&testing_clock_, task_runner_, 37 task_runner_, task_runner_, task_runner_, task_runner_, 38 GetDefaultCastLoggingConfig()); 39 audio_config_.codec = kOpus; 40 audio_config_.use_external_encoder = false; 41 audio_config_.frequency = kDefaultAudioSamplingRate; 42 audio_config_.channels = 2; 43 audio_config_.bitrate = kDefaultAudioEncoderBitrate; 44 audio_config_.rtp_payload_type = 127; 45 46 audio_sender_.reset( 47 new AudioSender(cast_environment_, audio_config_, &mock_transport_)); 48 } 49 50 virtual ~AudioSenderTest() {} 51 52 base::SimpleTestTickClock testing_clock_; 53 MockPacedPacketSender mock_transport_; 54 scoped_refptr<test::FakeTaskRunner> task_runner_; 55 scoped_ptr<AudioSender> audio_sender_; 56 scoped_refptr<CastEnvironment> cast_environment_; 57 AudioSenderConfig audio_config_; 58 }; 59 60 TEST_F(AudioSenderTest, Encode20ms) { 61 EXPECT_CALL(mock_transport_, SendPackets(_)).Times(AtLeast(1)); 62 63 const base::TimeDelta kDuration = base::TimeDelta::FromMilliseconds(20); 64 scoped_ptr<AudioBus> bus(TestAudioBusFactory( 65 audio_config_.channels, audio_config_.frequency, 66 TestAudioBusFactory::kMiddleANoteFreq, 0.5f).NextAudioBus(kDuration)); 67 68 base::TimeTicks recorded_time = base::TimeTicks::Now(); 69 audio_sender_->InsertAudio( 70 bus.get(), recorded_time, 71 base::Bind(base::IgnoreResult(&scoped_ptr<AudioBus>::release), 72 base::Unretained(&bus))); 73 task_runner_->RunTasks(); 74 75 EXPECT_TRUE(!bus) << "AudioBus wasn't released after use."; 76 } 77 78 TEST_F(AudioSenderTest, RtcpTimer) { 79 EXPECT_CALL(mock_transport_, SendPackets(_)).Times(AtLeast(1)); 80 EXPECT_CALL(mock_transport_, SendRtcpPacket(_)).Times(1); 81 82 const base::TimeDelta kDuration = base::TimeDelta::FromMilliseconds(20); 83 scoped_ptr<AudioBus> bus(TestAudioBusFactory( 84 audio_config_.channels, audio_config_.frequency, 85 TestAudioBusFactory::kMiddleANoteFreq, 0.5f).NextAudioBus(kDuration)); 86 87 base::TimeTicks recorded_time = base::TimeTicks::Now(); 88 audio_sender_->InsertAudio( 89 bus.get(), recorded_time, 90 base::Bind(base::IgnoreResult(&scoped_ptr<AudioBus>::release), 91 base::Unretained(&bus))); 92 task_runner_->RunTasks(); 93 94 // Make sure that we send at least one RTCP packet. 95 base::TimeDelta max_rtcp_timeout = 96 base::TimeDelta::FromMilliseconds(1 + kDefaultRtcpIntervalMs * 3 / 2); 97 testing_clock_.Advance(max_rtcp_timeout); 98 task_runner_->RunTasks(); 99 } 100 101 } // namespace cast 102 } // namespace media 103
