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/*
* Copyright (c) 2015 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 <list>
#include <map>
#include <memory>
#include <utility>
#include "absl/memory/memory.h"
#include "api/audio_codecs/builtin_audio_decoder_factory.h"
#include "api/task_queue/default_task_queue_factory.h"
#include "api/test/fake_media_transport.h"
#include "api/test/mock_audio_mixer.h"
#include "audio/audio_receive_stream.h"
#include "audio/audio_send_stream.h"
#include "call/audio_state.h"
#include "call/call.h"
#include "logging/rtc_event_log/rtc_event_log.h"
#include "modules/audio_device/include/mock_audio_device.h"
#include "modules/audio_processing/include/mock_audio_processing.h"
#include "modules/pacing/mock/mock_paced_sender.h"
#include "modules/rtp_rtcp/include/rtp_rtcp.h"
#include "test/fake_encoder.h"
#include "test/gtest.h"
#include "test/mock_audio_decoder_factory.h"
#include "test/mock_transport.h"
namespace {
struct CallHelper {
CallHelper() {
task_queue_factory_ = webrtc::CreateDefaultTaskQueueFactory();
webrtc::AudioState::Config audio_state_config;
audio_state_config.audio_mixer =
new rtc::RefCountedObject<webrtc::test::MockAudioMixer>();
audio_state_config.audio_processing =
new rtc::RefCountedObject<webrtc::test::MockAudioProcessing>();
audio_state_config.audio_device_module =
new rtc::RefCountedObject<webrtc::test::MockAudioDeviceModule>();
webrtc::Call::Config config(&event_log_);
config.audio_state = webrtc::AudioState::Create(audio_state_config);
config.task_queue_factory = task_queue_factory_.get();
call_.reset(webrtc::Call::Create(config));
}
webrtc::Call* operator->() { return call_.get(); }
private:
webrtc::RtcEventLogNullImpl event_log_;
std::unique_ptr<webrtc::TaskQueueFactory> task_queue_factory_;
std::unique_ptr<webrtc::Call> call_;
};
} // namespace
namespace webrtc {
TEST(CallTest, ConstructDestruct) {
CallHelper call;
}
TEST(CallTest, CreateDestroy_AudioSendStream) {
CallHelper call;
MockTransport send_transport;
AudioSendStream::Config config(&send_transport, MediaTransportConfig());
config.rtp.ssrc = 42;
AudioSendStream* stream = call->CreateAudioSendStream(config);
EXPECT_NE(stream, nullptr);
call->DestroyAudioSendStream(stream);
}
TEST(CallTest, CreateDestroy_AudioReceiveStream) {
CallHelper call;
AudioReceiveStream::Config config;
MockTransport rtcp_send_transport;
config.rtp.remote_ssrc = 42;
config.rtcp_send_transport = &rtcp_send_transport;
config.decoder_factory =
new rtc::RefCountedObject<webrtc::MockAudioDecoderFactory>();
AudioReceiveStream* stream = call->CreateAudioReceiveStream(config);
EXPECT_NE(stream, nullptr);
call->DestroyAudioReceiveStream(stream);
}
TEST(CallTest, CreateDestroy_AudioSendStreams) {
CallHelper call;
MockTransport send_transport;
AudioSendStream::Config config(&send_transport, MediaTransportConfig());
std::list<AudioSendStream*> streams;
for (int i = 0; i < 2; ++i) {
for (uint32_t ssrc = 0; ssrc < 1234567; ssrc += 34567) {
config.rtp.ssrc = ssrc;
AudioSendStream* stream = call->CreateAudioSendStream(config);
EXPECT_NE(stream, nullptr);
if (ssrc & 1) {
streams.push_back(stream);
} else {
streams.push_front(stream);
}
}
for (auto s : streams) {
call->DestroyAudioSendStream(s);
}
streams.clear();
}
}
TEST(CallTest, CreateDestroy_AudioReceiveStreams) {
CallHelper call;
AudioReceiveStream::Config config;
MockTransport rtcp_send_transport;
config.rtcp_send_transport = &rtcp_send_transport;
config.decoder_factory =
new rtc::RefCountedObject<webrtc::MockAudioDecoderFactory>();
std::list<AudioReceiveStream*> streams;
for (int i = 0; i < 2; ++i) {
for (uint32_t ssrc = 0; ssrc < 1234567; ssrc += 34567) {
config.rtp.remote_ssrc = ssrc;
AudioReceiveStream* stream = call->CreateAudioReceiveStream(config);
EXPECT_NE(stream, nullptr);
if (ssrc & 1) {
streams.push_back(stream);
} else {
streams.push_front(stream);
}
}
for (auto s : streams) {
call->DestroyAudioReceiveStream(s);
}
streams.clear();
}
}
TEST(CallTest, CreateDestroy_AssociateAudioSendReceiveStreams_RecvFirst) {
CallHelper call;
AudioReceiveStream::Config recv_config;
MockTransport rtcp_send_transport;
recv_config.rtp.remote_ssrc = 42;
recv_config.rtp.local_ssrc = 777;
recv_config.rtcp_send_transport = &rtcp_send_transport;
recv_config.decoder_factory =
new rtc::RefCountedObject<webrtc::MockAudioDecoderFactory>();
AudioReceiveStream* recv_stream = call->CreateAudioReceiveStream(recv_config);
EXPECT_NE(recv_stream, nullptr);
MockTransport send_transport;
AudioSendStream::Config send_config(&send_transport, MediaTransportConfig());
send_config.rtp.ssrc = 777;
AudioSendStream* send_stream = call->CreateAudioSendStream(send_config);
EXPECT_NE(send_stream, nullptr);
internal::AudioReceiveStream* internal_recv_stream =
static_cast<internal::AudioReceiveStream*>(recv_stream);
EXPECT_EQ(send_stream,
internal_recv_stream->GetAssociatedSendStreamForTesting());
call->DestroyAudioSendStream(send_stream);
EXPECT_EQ(nullptr, internal_recv_stream->GetAssociatedSendStreamForTesting());
call->DestroyAudioReceiveStream(recv_stream);
}
TEST(CallTest, CreateDestroy_AssociateAudioSendReceiveStreams_SendFirst) {
CallHelper call;
MockTransport send_transport;
AudioSendStream::Config send_config(&send_transport, MediaTransportConfig());
send_config.rtp.ssrc = 777;
AudioSendStream* send_stream = call->CreateAudioSendStream(send_config);
EXPECT_NE(send_stream, nullptr);
AudioReceiveStream::Config recv_config;
MockTransport rtcp_send_transport;
recv_config.rtp.remote_ssrc = 42;
recv_config.rtp.local_ssrc = 777;
recv_config.rtcp_send_transport = &rtcp_send_transport;
recv_config.decoder_factory =
new rtc::RefCountedObject<webrtc::MockAudioDecoderFactory>();
AudioReceiveStream* recv_stream = call->CreateAudioReceiveStream(recv_config);
EXPECT_NE(recv_stream, nullptr);
internal::AudioReceiveStream* internal_recv_stream =
static_cast<internal::AudioReceiveStream*>(recv_stream);
EXPECT_EQ(send_stream,
internal_recv_stream->GetAssociatedSendStreamForTesting());
call->DestroyAudioReceiveStream(recv_stream);
call->DestroyAudioSendStream(send_stream);
}
TEST(CallTest, CreateDestroy_FlexfecReceiveStream) {
CallHelper call;
MockTransport rtcp_send_transport;
FlexfecReceiveStream::Config config(&rtcp_send_transport);
config.payload_type = 118;
config.remote_ssrc = 38837212;
config.protected_media_ssrcs = {27273};
FlexfecReceiveStream* stream = call->CreateFlexfecReceiveStream(config);
EXPECT_NE(stream, nullptr);
call->DestroyFlexfecReceiveStream(stream);
}
TEST(CallTest, CreateDestroy_FlexfecReceiveStreams) {
CallHelper call;
MockTransport rtcp_send_transport;
FlexfecReceiveStream::Config config(&rtcp_send_transport);
config.payload_type = 118;
std::list<FlexfecReceiveStream*> streams;
for (int i = 0; i < 2; ++i) {
for (uint32_t ssrc = 0; ssrc < 1234567; ssrc += 34567) {
config.remote_ssrc = ssrc;
config.protected_media_ssrcs = {ssrc + 1};
FlexfecReceiveStream* stream = call->CreateFlexfecReceiveStream(config);
EXPECT_NE(stream, nullptr);
if (ssrc & 1) {
streams.push_back(stream);
} else {
streams.push_front(stream);
}
}
for (auto s : streams) {
call->DestroyFlexfecReceiveStream(s);
}
streams.clear();
}
}
TEST(CallTest, MultipleFlexfecReceiveStreamsProtectingSingleVideoStream) {
CallHelper call;
MockTransport rtcp_send_transport;
FlexfecReceiveStream::Config config(&rtcp_send_transport);
config.payload_type = 118;
config.protected_media_ssrcs = {1324234};
FlexfecReceiveStream* stream;
std::list<FlexfecReceiveStream*> streams;
config.remote_ssrc = 838383;
stream = call->CreateFlexfecReceiveStream(config);
EXPECT_NE(stream, nullptr);
streams.push_back(stream);
config.remote_ssrc = 424993;
stream = call->CreateFlexfecReceiveStream(config);
EXPECT_NE(stream, nullptr);
streams.push_back(stream);
config.remote_ssrc = 99383;
stream = call->CreateFlexfecReceiveStream(config);
EXPECT_NE(stream, nullptr);
streams.push_back(stream);
config.remote_ssrc = 5548;
stream = call->CreateFlexfecReceiveStream(config);
EXPECT_NE(stream, nullptr);
streams.push_back(stream);
for (auto s : streams) {
call->DestroyFlexfecReceiveStream(s);
}
}
TEST(CallTest, RecreatingAudioStreamWithSameSsrcReusesRtpState) {
constexpr uint32_t kSSRC = 12345;
CallHelper call;
auto create_stream_and_get_rtp_state = [&](uint32_t ssrc) {
MockTransport send_transport;
AudioSendStream::Config config(&send_transport, MediaTransportConfig());
config.rtp.ssrc = ssrc;
AudioSendStream* stream = call->CreateAudioSendStream(config);
const RtpState rtp_state =
static_cast<internal::AudioSendStream*>(stream)->GetRtpState();
call->DestroyAudioSendStream(stream);
return rtp_state;
};
const RtpState rtp_state1 = create_stream_and_get_rtp_state(kSSRC);
const RtpState rtp_state2 = create_stream_and_get_rtp_state(kSSRC);
EXPECT_EQ(rtp_state1.sequence_number, rtp_state2.sequence_number);
EXPECT_EQ(rtp_state1.start_timestamp, rtp_state2.start_timestamp);
EXPECT_EQ(rtp_state1.timestamp, rtp_state2.timestamp);
EXPECT_EQ(rtp_state1.capture_time_ms, rtp_state2.capture_time_ms);
EXPECT_EQ(rtp_state1.last_timestamp_time_ms,
rtp_state2.last_timestamp_time_ms);
EXPECT_EQ(rtp_state1.media_has_been_sent, rtp_state2.media_has_been_sent);
}
TEST(CallTest, RegisterMediaTransportBitrateCallbacksInCreateStream) {
CallHelper call;
MediaTransportSettings settings;
webrtc::FakeMediaTransport fake_media_transport(settings);
EXPECT_EQ(0, fake_media_transport.target_rate_observers_size());
// TODO(solenberg): This test shouldn't require a Transport, but currently
// RTCPSender requires one.
MockTransport send_transport;
AudioSendStream::Config config(&send_transport,
MediaTransportConfig(&fake_media_transport));
call->MediaTransportChange(&fake_media_transport);
AudioSendStream* stream = call->CreateAudioSendStream(config);
// We get 2 subscribers: one subscriber from call.cc, and one from
// ChannelSend.
EXPECT_EQ(2, fake_media_transport.target_rate_observers_size());
call->DestroyAudioSendStream(stream);
EXPECT_EQ(1, fake_media_transport.target_rate_observers_size());
call->MediaTransportChange(nullptr);
EXPECT_EQ(0, fake_media_transport.target_rate_observers_size());
}
} // namespace webrtc