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/*
* Copyright 2018 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 <algorithm>
#include <memory>
#include <vector>
#include "api/test/loopback_media_transport.h"
#include "test/gmock.h"
namespace webrtc {
namespace {
class MockMediaTransportAudioSinkInterface
: public MediaTransportAudioSinkInterface {
public:
MOCK_METHOD2(OnData, void(uint64_t, MediaTransportEncodedAudioFrame));
};
class MockMediaTransportVideoSinkInterface
: public MediaTransportVideoSinkInterface {
public:
MOCK_METHOD2(OnData, void(uint64_t, MediaTransportEncodedVideoFrame));
};
class MockMediaTransportKeyFrameRequestCallback
: public MediaTransportKeyFrameRequestCallback {
public:
MOCK_METHOD1(OnKeyFrameRequested, void(uint64_t));
};
class MockDataChannelSink : public DataChannelSink {
public:
MOCK_METHOD3(OnDataReceived,
void(int, DataMessageType, const rtc::CopyOnWriteBuffer&));
MOCK_METHOD1(OnChannelClosing, void(int));
MOCK_METHOD1(OnChannelClosed, void(int));
};
class MockStateCallback : public MediaTransportStateCallback {
public:
MOCK_METHOD1(OnStateChanged, void(MediaTransportState));
};
// Test only uses the sequence number.
MediaTransportEncodedAudioFrame CreateAudioFrame(int sequence_number) {
static constexpr int kSamplingRateHz = 48000;
static constexpr int kStartingSampleIndex = 0;
static constexpr int kSamplesPerChannel = 480;
static constexpr int kPayloadType = 17;
return MediaTransportEncodedAudioFrame(
kSamplingRateHz, kStartingSampleIndex, kSamplesPerChannel,
sequence_number, MediaTransportEncodedAudioFrame::FrameType::kSpeech,
kPayloadType, std::vector<uint8_t>(kSamplesPerChannel));
}
MediaTransportEncodedVideoFrame CreateVideoFrame(
int frame_id,
const webrtc::EncodedImage& encoded_image) {
static constexpr int kPayloadType = 18;
return MediaTransportEncodedVideoFrame(frame_id, /*referenced_frame_ids=*/{},
kPayloadType, encoded_image);
}
} // namespace
TEST(LoopbackMediaTransport, AudioWithNoSinkSilentlyIgnored) {
std::unique_ptr<rtc::Thread> thread = rtc::Thread::Create();
thread->Start();
MediaTransportPair transport_pair(thread.get());
transport_pair.first()->SendAudioFrame(1, CreateAudioFrame(0));
transport_pair.second()->SendAudioFrame(2, CreateAudioFrame(0));
transport_pair.FlushAsyncInvokes();
}
TEST(LoopbackMediaTransport, AudioDeliveredToSink) {
std::unique_ptr<rtc::Thread> thread = rtc::Thread::Create();
thread->Start();
MediaTransportPair transport_pair(thread.get());
testing::StrictMock<MockMediaTransportAudioSinkInterface> sink;
EXPECT_CALL(sink,
OnData(1, testing::Property(
&MediaTransportEncodedAudioFrame::sequence_number,
testing::Eq(10))));
transport_pair.second()->SetReceiveAudioSink(&sink);
transport_pair.first()->SendAudioFrame(1, CreateAudioFrame(10));
transport_pair.FlushAsyncInvokes();
transport_pair.second()->SetReceiveAudioSink(nullptr);
}
TEST(LoopbackMediaTransport, VideoDeliveredToSink) {
std::unique_ptr<rtc::Thread> thread = rtc::Thread::Create();
thread->Start();
MediaTransportPair transport_pair(thread.get());
testing::StrictMock<MockMediaTransportVideoSinkInterface> sink;
uint8_t encoded_data[] = {1, 2, 3};
EncodedImage encoded_image;
encoded_image._buffer = encoded_data;
encoded_image._length = sizeof(encoded_data);
EXPECT_CALL(sink, OnData(1, testing::Property(
&MediaTransportEncodedVideoFrame::frame_id,
testing::Eq(10))))
.WillOnce(testing::Invoke(
[&encoded_image](int frame_id,
const MediaTransportEncodedVideoFrame& frame) {
EXPECT_NE(frame.encoded_image()._buffer, encoded_image._buffer);
EXPECT_EQ(frame.encoded_image()._length, encoded_image._length);
EXPECT_EQ(
0, memcmp(frame.encoded_image()._buffer, encoded_image._buffer,
std::min(frame.encoded_image()._length,
encoded_image._length)));
}));
transport_pair.second()->SetReceiveVideoSink(&sink);
transport_pair.first()->SendVideoFrame(1,
CreateVideoFrame(10, encoded_image));
transport_pair.FlushAsyncInvokes();
transport_pair.second()->SetReceiveVideoSink(nullptr);
}
TEST(LoopbackMediaTransport, VideoKeyFrameRequestDeliveredToCallback) {
std::unique_ptr<rtc::Thread> thread = rtc::Thread::Create();
thread->Start();
MediaTransportPair transport_pair(thread.get());
testing::StrictMock<MockMediaTransportKeyFrameRequestCallback> callback1;
testing::StrictMock<MockMediaTransportKeyFrameRequestCallback> callback2;
const uint64_t kFirstChannelId = 1111;
const uint64_t kSecondChannelId = 2222;
EXPECT_CALL(callback1, OnKeyFrameRequested(kSecondChannelId));
EXPECT_CALL(callback2, OnKeyFrameRequested(kFirstChannelId));
transport_pair.first()->SetKeyFrameRequestCallback(&callback1);
transport_pair.second()->SetKeyFrameRequestCallback(&callback2);
transport_pair.first()->RequestKeyFrame(kFirstChannelId);
transport_pair.second()->RequestKeyFrame(kSecondChannelId);
transport_pair.FlushAsyncInvokes();
}
TEST(LoopbackMediaTransport, DataDeliveredToSink) {
std::unique_ptr<rtc::Thread> thread = rtc::Thread::Create();
thread->Start();
MediaTransportPair transport_pair(thread.get());
MockDataChannelSink sink;
transport_pair.first()->SetDataSink(&sink);
const int channel_id = 1;
EXPECT_CALL(sink,
OnDataReceived(
channel_id, DataMessageType::kText,
testing::Property<rtc::CopyOnWriteBuffer, const char*>(
&rtc::CopyOnWriteBuffer::cdata, testing::StrEq("foo"))));
SendDataParams params;
params.type = DataMessageType::kText;
rtc::CopyOnWriteBuffer buffer("foo");
transport_pair.second()->SendData(channel_id, params, buffer);
transport_pair.FlushAsyncInvokes();
transport_pair.first()->SetDataSink(nullptr);
}
TEST(LoopbackMediaTransport, CloseDeliveredToSink) {
std::unique_ptr<rtc::Thread> thread = rtc::Thread::Create();
thread->Start();
MediaTransportPair transport_pair(thread.get());
MockDataChannelSink first_sink;
transport_pair.first()->SetDataSink(&first_sink);
MockDataChannelSink second_sink;
transport_pair.second()->SetDataSink(&second_sink);
const int channel_id = 1;
{
testing::InSequence s;
EXPECT_CALL(second_sink, OnChannelClosing(channel_id));
EXPECT_CALL(second_sink, OnChannelClosed(channel_id));
EXPECT_CALL(first_sink, OnChannelClosed(channel_id));
}
transport_pair.first()->CloseChannel(channel_id);
transport_pair.FlushAsyncInvokes();
transport_pair.first()->SetDataSink(nullptr);
transport_pair.second()->SetDataSink(nullptr);
}
TEST(LoopbackMediaTransport, InitialStateDeliveredWhenCallbackSet) {
std::unique_ptr<rtc::Thread> thread = rtc::Thread::Create();
thread->Start();
MediaTransportPair transport_pair(thread.get());
MockStateCallback state_callback;
EXPECT_CALL(state_callback, OnStateChanged(MediaTransportState::kPending));
transport_pair.first()->SetMediaTransportStateCallback(&state_callback);
transport_pair.FlushAsyncInvokes();
}
TEST(LoopbackMediaTransport, ChangedStateDeliveredWhenCallbackSet) {
std::unique_ptr<rtc::Thread> thread = rtc::Thread::Create();
thread->Start();
MediaTransportPair transport_pair(thread.get());
transport_pair.SetState(MediaTransportState::kWritable);
transport_pair.FlushAsyncInvokes();
MockStateCallback state_callback;
EXPECT_CALL(state_callback, OnStateChanged(MediaTransportState::kWritable));
transport_pair.first()->SetMediaTransportStateCallback(&state_callback);
transport_pair.FlushAsyncInvokes();
}
TEST(LoopbackMediaTransport, StateChangeDeliveredToCallback) {
std::unique_ptr<rtc::Thread> thread = rtc::Thread::Create();
thread->Start();
MediaTransportPair transport_pair(thread.get());
MockStateCallback state_callback;
EXPECT_CALL(state_callback, OnStateChanged(MediaTransportState::kPending));
EXPECT_CALL(state_callback, OnStateChanged(MediaTransportState::kWritable));
transport_pair.first()->SetMediaTransportStateCallback(&state_callback);
transport_pair.SetState(MediaTransportState::kWritable);
transport_pair.FlushAsyncInvokes();
}
} // namespace webrtc