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// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/bind.h"
#include "base/bind_helpers.h"
#include "base/memory/scoped_ptr.h"
#include "base/test/simple_test_tick_clock.h"
#include "media/base/media.h"
#include "media/cast/audio_sender/audio_sender.h"
#include "media/cast/cast_config.h"
#include "media/cast/cast_environment.h"
#include "media/cast/pacing/mock_paced_packet_sender.h"
#include "media/cast/test/audio_utility.h"
#include "media/cast/test/fake_task_runner.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace media {
namespace cast {
static const int64 kStartMillisecond = GG_INT64_C(12345678900000);
using testing::_;
using testing::AtLeast;
class AudioSenderTest : public ::testing::Test {
protected:
AudioSenderTest() {
InitializeMediaLibraryForTesting();
testing_clock_.Advance(
base::TimeDelta::FromMilliseconds(kStartMillisecond));
}
virtual void SetUp() {
task_runner_ = new test::FakeTaskRunner(&testing_clock_);
cast_environment_ = new CastEnvironment(&testing_clock_, task_runner_,
task_runner_, task_runner_, task_runner_, task_runner_,
GetDefaultCastLoggingConfig());
audio_config_.codec = kOpus;
audio_config_.use_external_encoder = false;
audio_config_.frequency = kDefaultAudioSamplingRate;
audio_config_.channels = 2;
audio_config_.bitrate = kDefaultAudioEncoderBitrate;
audio_config_.rtp_payload_type = 127;
audio_sender_.reset(
new AudioSender(cast_environment_, audio_config_, &mock_transport_));
}
virtual ~AudioSenderTest() {}
base::SimpleTestTickClock testing_clock_;
MockPacedPacketSender mock_transport_;
scoped_refptr<test::FakeTaskRunner> task_runner_;
scoped_ptr<AudioSender> audio_sender_;
scoped_refptr<CastEnvironment> cast_environment_;
AudioSenderConfig audio_config_;
};
TEST_F(AudioSenderTest, Encode20ms) {
EXPECT_CALL(mock_transport_, SendPackets(_)).Times(AtLeast(1));
const base::TimeDelta kDuration = base::TimeDelta::FromMilliseconds(20);
scoped_ptr<AudioBus> bus(TestAudioBusFactory(
audio_config_.channels, audio_config_.frequency,
TestAudioBusFactory::kMiddleANoteFreq, 0.5f).NextAudioBus(kDuration));
base::TimeTicks recorded_time = base::TimeTicks::Now();
audio_sender_->InsertAudio(
bus.get(), recorded_time,
base::Bind(base::IgnoreResult(&scoped_ptr<AudioBus>::release),
base::Unretained(&bus)));
task_runner_->RunTasks();
EXPECT_TRUE(!bus) << "AudioBus wasn't released after use.";
}
TEST_F(AudioSenderTest, RtcpTimer) {
EXPECT_CALL(mock_transport_, SendPackets(_)).Times(AtLeast(1));
EXPECT_CALL(mock_transport_, SendRtcpPacket(_)).Times(1);
const base::TimeDelta kDuration = base::TimeDelta::FromMilliseconds(20);
scoped_ptr<AudioBus> bus(TestAudioBusFactory(
audio_config_.channels, audio_config_.frequency,
TestAudioBusFactory::kMiddleANoteFreq, 0.5f).NextAudioBus(kDuration));
base::TimeTicks recorded_time = base::TimeTicks::Now();
audio_sender_->InsertAudio(
bus.get(), recorded_time,
base::Bind(base::IgnoreResult(&scoped_ptr<AudioBus>::release),
base::Unretained(&bus)));
task_runner_->RunTasks();
// Make sure that we send at least one RTCP packet.
base::TimeDelta max_rtcp_timeout =
base::TimeDelta::FromMilliseconds(1 + kDefaultRtcpIntervalMs * 3 / 2);
testing_clock_.Advance(max_rtcp_timeout);
task_runner_->RunTasks();
}
} // namespace cast
} // namespace media
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