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/*
* libjingle
* Copyright 2004 Google Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <algorithm>
#include <map>
#include <vector>
#include "talk/media/base/testutils.h"
#include "talk/media/base/videoengine_unittest.h"
#include "talk/media/webrtc/fakewebrtcvideoengine.h"
#include "talk/media/webrtc/simulcast.h"
#include "talk/media/webrtc/webrtcvideochannelfactory.h"
#include "talk/media/webrtc/webrtcvideoengine2.h"
#include "talk/media/webrtc/webrtcvideoengine2_unittest.h"
#include "talk/media/webrtc/webrtcvoiceengine.h"
#include "webrtc/base/arraysize.h"
#include "webrtc/base/gunit.h"
#include "webrtc/base/stringutils.h"
#include "webrtc/video_encoder.h"
namespace {
static const int kDefaultQpMax = 56;
static const int kDefaultFramerate = 30;
static const cricket::VideoCodec kVp8Codec720p(100, "VP8", 1280, 720, 30, 0);
static const cricket::VideoCodec kVp8Codec360p(100, "VP8", 640, 360, 30, 0);
static const cricket::VideoCodec kVp8Codec270p(100, "VP8", 480, 270, 30, 0);
static const cricket::VideoCodec kVp8Codec(100, "VP8", 640, 400, 30, 0);
static const cricket::VideoCodec kVp9Codec(101, "VP9", 640, 400, 30, 0);
static const cricket::VideoCodec kH264Codec(102, "H264", 640, 400, 30, 0);
static const cricket::VideoCodec kRedCodec(116, "red", 0, 0, 0, 0);
static const cricket::VideoCodec kUlpfecCodec(117, "ulpfec", 0, 0, 0, 0);
static const uint32 kSsrcs1[] = {1};
static const uint32 kSsrcs3[] = {1, 2, 3};
static const uint32 kRtxSsrcs1[] = {4};
static const char kUnsupportedExtensionName[] =
"urn:ietf:params:rtp-hdrext:unsupported";
void VerifyCodecHasDefaultFeedbackParams(const cricket::VideoCodec& codec) {
EXPECT_TRUE(codec.HasFeedbackParam(cricket::FeedbackParam(
cricket::kRtcpFbParamNack, cricket::kParamValueEmpty)));
EXPECT_TRUE(codec.HasFeedbackParam(cricket::FeedbackParam(
cricket::kRtcpFbParamNack, cricket::kRtcpFbNackParamPli)));
EXPECT_TRUE(codec.HasFeedbackParam(cricket::FeedbackParam(
cricket::kRtcpFbParamRemb, cricket::kParamValueEmpty)));
EXPECT_TRUE(codec.HasFeedbackParam(cricket::FeedbackParam(
cricket::kRtcpFbParamCcm, cricket::kRtcpFbCcmParamFir)));
}
static void CreateBlackFrame(webrtc::I420VideoFrame* video_frame,
int width,
int height) {
video_frame->CreateEmptyFrame(
width, height, width, (width + 1) / 2, (width + 1) / 2);
memset(video_frame->buffer(webrtc::kYPlane), 16,
video_frame->allocated_size(webrtc::kYPlane));
memset(video_frame->buffer(webrtc::kUPlane), 128,
video_frame->allocated_size(webrtc::kUPlane));
memset(video_frame->buffer(webrtc::kVPlane), 128,
video_frame->allocated_size(webrtc::kVPlane));
}
} // namespace
namespace cricket {
FakeVideoSendStream::FakeVideoSendStream(
const webrtc::VideoSendStream::Config& config,
const webrtc::VideoEncoderConfig& encoder_config)
: sending_(false),
config_(config),
codec_settings_set_(false),
num_swapped_frames_(0) {
assert(config.encoder_settings.encoder != NULL);
ReconfigureVideoEncoder(encoder_config);
}
webrtc::VideoSendStream::Config FakeVideoSendStream::GetConfig() const {
return config_;
}
webrtc::VideoEncoderConfig FakeVideoSendStream::GetEncoderConfig() const {
return encoder_config_;
}
std::vector<webrtc::VideoStream> FakeVideoSendStream::GetVideoStreams() {
return encoder_config_.streams;
}
bool FakeVideoSendStream::IsSending() const {
return sending_;
}
bool FakeVideoSendStream::GetVp8Settings(
webrtc::VideoCodecVP8* settings) const {
if (!codec_settings_set_) {
return false;
}
*settings = vp8_settings_;
return true;
}
int FakeVideoSendStream::GetNumberOfSwappedFrames() const {
return num_swapped_frames_;
}
int FakeVideoSendStream::GetLastWidth() const {
return last_frame_.width();
}
int FakeVideoSendStream::GetLastHeight() const {
return last_frame_.height();
}
void FakeVideoSendStream::IncomingCapturedFrame(
const webrtc::I420VideoFrame& frame) {
++num_swapped_frames_;
last_frame_.ShallowCopy(frame);
}
void FakeVideoSendStream::SetStats(
const webrtc::VideoSendStream::Stats& stats) {
stats_ = stats;
}
webrtc::VideoSendStream::Stats FakeVideoSendStream::GetStats() {
return stats_;
}
bool FakeVideoSendStream::ReconfigureVideoEncoder(
const webrtc::VideoEncoderConfig& config) {
encoder_config_ = config;
if (config.encoder_specific_settings != NULL) {
assert(config_.encoder_settings.payload_name == "VP8");
vp8_settings_ = *reinterpret_cast<const webrtc::VideoCodecVP8*>(
config.encoder_specific_settings);
}
codec_settings_set_ = config.encoder_specific_settings != NULL;
return true;
}
webrtc::VideoSendStreamInput* FakeVideoSendStream::Input() {
return this;
}
void FakeVideoSendStream::Start() {
sending_ = true;
}
void FakeVideoSendStream::Stop() {
sending_ = false;
}
FakeVideoReceiveStream::FakeVideoReceiveStream(
const webrtc::VideoReceiveStream::Config& config)
: config_(config), receiving_(false) {
}
webrtc::VideoReceiveStream::Config FakeVideoReceiveStream::GetConfig() {
return config_;
}
bool FakeVideoReceiveStream::IsReceiving() const {
return receiving_;
}
void FakeVideoReceiveStream::InjectFrame(const webrtc::I420VideoFrame& frame,
int time_to_render_ms) {
config_.renderer->RenderFrame(frame, time_to_render_ms);
}
webrtc::VideoReceiveStream::Stats FakeVideoReceiveStream::GetStats() const {
return stats_;
}
void FakeVideoReceiveStream::Start() {
receiving_ = true;
}
void FakeVideoReceiveStream::Stop() {
receiving_ = false;
}
void FakeVideoReceiveStream::SetStats(
const webrtc::VideoReceiveStream::Stats& stats) {
stats_ = stats;
}
FakeCall::FakeCall(const webrtc::Call::Config& config)
: config_(config),
network_state_(kNetworkUp),
num_created_send_streams_(0),
num_created_receive_streams_(0) {
}
FakeCall::~FakeCall() {
EXPECT_EQ(0u, video_send_streams_.size());
EXPECT_EQ(0u, video_receive_streams_.size());
}
webrtc::Call::Config FakeCall::GetConfig() const {
return config_;
}
std::vector<FakeVideoSendStream*> FakeCall::GetVideoSendStreams() {
return video_send_streams_;
}
std::vector<FakeVideoReceiveStream*> FakeCall::GetVideoReceiveStreams() {
return video_receive_streams_;
}
webrtc::Call::NetworkState FakeCall::GetNetworkState() const {
return network_state_;
}
webrtc::VideoSendStream* FakeCall::CreateVideoSendStream(
const webrtc::VideoSendStream::Config& config,
const webrtc::VideoEncoderConfig& encoder_config) {
FakeVideoSendStream* fake_stream =
new FakeVideoSendStream(config, encoder_config);
video_send_streams_.push_back(fake_stream);
++num_created_send_streams_;
return fake_stream;
}
void FakeCall::DestroyVideoSendStream(webrtc::VideoSendStream* send_stream) {
FakeVideoSendStream* fake_stream =
static_cast<FakeVideoSendStream*>(send_stream);
for (size_t i = 0; i < video_send_streams_.size(); ++i) {
if (video_send_streams_[i] == fake_stream) {
delete video_send_streams_[i];
video_send_streams_.erase(video_send_streams_.begin() + i);
return;
}
}
ADD_FAILURE() << "DestroyVideoSendStream called with unknown paramter.";
}
webrtc::VideoReceiveStream* FakeCall::CreateVideoReceiveStream(
const webrtc::VideoReceiveStream::Config& config) {
video_receive_streams_.push_back(new FakeVideoReceiveStream(config));
++num_created_receive_streams_;
return video_receive_streams_[video_receive_streams_.size() - 1];
}
void FakeCall::DestroyVideoReceiveStream(
webrtc::VideoReceiveStream* receive_stream) {
FakeVideoReceiveStream* fake_stream =
static_cast<FakeVideoReceiveStream*>(receive_stream);
for (size_t i = 0; i < video_receive_streams_.size(); ++i) {
if (video_receive_streams_[i] == fake_stream) {
delete video_receive_streams_[i];
video_receive_streams_.erase(video_receive_streams_.begin() + i);
return;
}
}
ADD_FAILURE() << "DestroyVideoReceiveStream called with unknown paramter.";
}
webrtc::PacketReceiver* FakeCall::Receiver() {
return this;
}
FakeCall::DeliveryStatus FakeCall::DeliverPacket(const uint8_t* packet,
size_t length) {
CHECK(length >= 12);
uint32_t ssrc;
if (!GetRtpSsrc(packet, length, &ssrc))
return DELIVERY_PACKET_ERROR;
for (auto& receiver: video_receive_streams_) {
if (receiver->GetConfig().rtp.remote_ssrc == ssrc)
return DELIVERY_OK;
}
return DELIVERY_UNKNOWN_SSRC;
}
void FakeCall::SetStats(const webrtc::Call::Stats& stats) {
stats_ = stats;
}
int FakeCall::GetNumCreatedSendStreams() const {
return num_created_send_streams_;
}
int FakeCall::GetNumCreatedReceiveStreams() const {
return num_created_receive_streams_;
}
webrtc::Call::Stats FakeCall::GetStats() const {
return stats_;
}
void FakeCall::SetBitrateConfig(
const webrtc::Call::Config::BitrateConfig& bitrate_config) {
config_.bitrate_config = bitrate_config;
}
void FakeCall::SignalNetworkState(webrtc::Call::NetworkState state) {
network_state_ = state;
}
class WebRtcVideoEngine2Test : public ::testing::Test {
public:
WebRtcVideoEngine2Test() : WebRtcVideoEngine2Test(nullptr) {}
WebRtcVideoEngine2Test(WebRtcVoiceEngine* voice_engine)
: engine_(voice_engine) {
std::vector<VideoCodec> engine_codecs = engine_.codecs();
assert(!engine_codecs.empty());
bool codec_set = false;
for (size_t i = 0; i < engine_codecs.size(); ++i) {
if (engine_codecs[i].name == "red") {
default_red_codec_ = engine_codecs[i];
} else if (engine_codecs[i].name == "ulpfec") {
default_ulpfec_codec_ = engine_codecs[i];
} else if (engine_codecs[i].name == "rtx") {
default_rtx_codec_ = engine_codecs[i];
} else if (!codec_set) {
default_codec_ = engine_codecs[i];
codec_set = true;
}
}
assert(codec_set);
}
protected:
class FakeCallFactory : public WebRtcCallFactory {
public:
FakeCallFactory() : fake_call_(NULL) {}
FakeCall* GetCall() { return fake_call_; }
private:
webrtc::Call* CreateCall(const webrtc::Call::Config& config) override {
assert(fake_call_ == NULL);
fake_call_ = new FakeCall(config);
return fake_call_;
}
FakeCall* fake_call_;
};
VideoMediaChannel* SetUpForExternalEncoderFactory(
cricket::WebRtcVideoEncoderFactory* encoder_factory,
const std::vector<VideoCodec>& codecs);
VideoMediaChannel* SetUpForExternalDecoderFactory(
cricket::WebRtcVideoDecoderFactory* decoder_factory,
const std::vector<VideoCodec>& codecs);
// Used in WebRtcVideoEngine2VoiceTest, but defined here so it's properly
// initialized when the constructor is called.
WebRtcVoiceEngine voice_engine_;
WebRtcVideoEngine2 engine_;
VideoCodec default_codec_;
VideoCodec default_red_codec_;
VideoCodec default_ulpfec_codec_;
VideoCodec default_rtx_codec_;
};
class WebRtcVideoEngine2VoiceTest : public WebRtcVideoEngine2Test {
public:
WebRtcVideoEngine2VoiceTest() : WebRtcVideoEngine2Test(&voice_engine_) {}
};
TEST_F(WebRtcVideoEngine2VoiceTest, ConfiguresAvSyncForFirstReceiveChannel) {
FakeCallFactory call_factory;
engine_.SetCallFactory(&call_factory);
voice_engine_.Init(rtc::Thread::Current());
engine_.Init(rtc::Thread::Current());
rtc::scoped_ptr<VoiceMediaChannel> voice_channel(
voice_engine_.CreateChannel());
ASSERT_TRUE(voice_channel.get() != NULL);
WebRtcVoiceMediaChannel* webrtc_voice_channel =
static_cast<WebRtcVoiceMediaChannel*>(voice_channel.get());
ASSERT_NE(webrtc_voice_channel->voe_channel(), -1);
rtc::scoped_ptr<VideoMediaChannel> channel(
engine_.CreateChannel(cricket::VideoOptions(), voice_channel.get()));
FakeCall* fake_call = call_factory.GetCall();
ASSERT_TRUE(fake_call != NULL);
webrtc::Call::Config call_config = fake_call->GetConfig();
ASSERT_TRUE(voice_engine_.voe()->engine() != NULL);
ASSERT_EQ(voice_engine_.voe()->engine(), call_config.voice_engine);
EXPECT_TRUE(channel->AddRecvStream(StreamParams::CreateLegacy(kSsrc)));
EXPECT_TRUE(channel->AddRecvStream(StreamParams::CreateLegacy(kSsrc + 1)));
std::vector<FakeVideoReceiveStream*> receive_streams =
fake_call->GetVideoReceiveStreams();
ASSERT_EQ(2u, receive_streams.size());
EXPECT_EQ(webrtc_voice_channel->voe_channel(),
receive_streams[0]->GetConfig().audio_channel_id);
EXPECT_EQ(-1, receive_streams[1]->GetConfig().audio_channel_id)
<< "AV sync should only be set up for the first receive channel.";
}
TEST_F(WebRtcVideoEngine2Test, FindCodec) {
const std::vector<cricket::VideoCodec>& c = engine_.codecs();
EXPECT_EQ(4U, c.size());
cricket::VideoCodec vp8(104, "VP8", 320, 200, 30, 0);
EXPECT_TRUE(engine_.FindCodec(vp8));
cricket::VideoCodec vp8_ci(104, "vp8", 320, 200, 30, 0);
EXPECT_TRUE(engine_.FindCodec(vp8));
cricket::VideoCodec vp8_diff_fr_diff_pref(104, "VP8", 320, 200, 50, 50);
EXPECT_TRUE(engine_.FindCodec(vp8_diff_fr_diff_pref));
cricket::VideoCodec vp8_diff_id(95, "VP8", 320, 200, 30, 0);
EXPECT_FALSE(engine_.FindCodec(vp8_diff_id));
vp8_diff_id.id = 97;
EXPECT_TRUE(engine_.FindCodec(vp8_diff_id));
// FindCodec ignores the codec size.
// Test that FindCodec can accept uncommon codec size.
cricket::VideoCodec vp8_diff_res(104, "VP8", 320, 111, 30, 0);
EXPECT_TRUE(engine_.FindCodec(vp8_diff_res));
// PeerConnection doesn't negotiate the resolution at this point.
// Test that FindCodec can handle the case when width/height is 0.
cricket::VideoCodec vp8_zero_res(104, "VP8", 0, 0, 30, 0);
EXPECT_TRUE(engine_.FindCodec(vp8_zero_res));
cricket::VideoCodec red(101, "RED", 0, 0, 30, 0);
EXPECT_TRUE(engine_.FindCodec(red));
cricket::VideoCodec red_ci(101, "red", 0, 0, 30, 0);
EXPECT_TRUE(engine_.FindCodec(red));
cricket::VideoCodec fec(102, "ULPFEC", 0, 0, 30, 0);
EXPECT_TRUE(engine_.FindCodec(fec));
cricket::VideoCodec fec_ci(102, "ulpfec", 0, 0, 30, 0);
EXPECT_TRUE(engine_.FindCodec(fec));
cricket::VideoCodec rtx(96, "rtx", 0, 0, 30, 0);
EXPECT_TRUE(engine_.FindCodec(rtx));
}
TEST_F(WebRtcVideoEngine2Test, SetDefaultEncoderConfigPreservesFeedbackParams) {
cricket::VideoCodec max_settings(
engine_.codecs()[0].id, engine_.codecs()[0].name,
engine_.codecs()[0].width / 2, engine_.codecs()[0].height / 2, 30, 0);
// This codec shouldn't have NACK by default or the test is pointless.
EXPECT_FALSE(max_settings.HasFeedbackParam(
FeedbackParam(kRtcpFbParamNack, kParamValueEmpty)));
// The engine should by default have it however.
EXPECT_TRUE(engine_.codecs()[0].HasFeedbackParam(
FeedbackParam(kRtcpFbParamNack, kParamValueEmpty)));
// Set constrained max codec settings.
EXPECT_TRUE(engine_.SetDefaultEncoderConfig(
cricket::VideoEncoderConfig(max_settings)));
// Verify that feedback parameters are retained.
EXPECT_TRUE(engine_.codecs()[0].HasFeedbackParam(
FeedbackParam(kRtcpFbParamNack, kParamValueEmpty)));
}
TEST_F(WebRtcVideoEngine2Test, DefaultRtxCodecHasAssociatedPayloadTypeSet) {
std::vector<VideoCodec> engine_codecs = engine_.codecs();
for (size_t i = 0; i < engine_codecs.size(); ++i) {
if (engine_codecs[i].name != kRtxCodecName)
continue;
int associated_payload_type;
EXPECT_TRUE(engine_codecs[i].GetParam(kCodecParamAssociatedPayloadType,
&associated_payload_type));
EXPECT_EQ(default_codec_.id, associated_payload_type);
return;
}
FAIL() << "No RTX codec found among default codecs.";
}
TEST_F(WebRtcVideoEngine2Test, SupportsTimestampOffsetHeaderExtension) {
std::vector<RtpHeaderExtension> extensions = engine_.rtp_header_extensions();
ASSERT_FALSE(extensions.empty());
for (size_t i = 0; i < extensions.size(); ++i) {
if (extensions[i].uri == kRtpTimestampOffsetHeaderExtension) {
EXPECT_EQ(kRtpTimestampOffsetHeaderExtensionDefaultId, extensions[i].id);
return;
}
}
FAIL() << "Timestamp offset extension not in header-extension list.";
}
TEST_F(WebRtcVideoEngine2Test, SupportsAbsoluteSenderTimeHeaderExtension) {
std::vector<RtpHeaderExtension> extensions = engine_.rtp_header_extensions();
ASSERT_FALSE(extensions.empty());
for (size_t i = 0; i < extensions.size(); ++i) {
if (extensions[i].uri == kRtpAbsoluteSenderTimeHeaderExtension) {
EXPECT_EQ(kRtpAbsoluteSenderTimeHeaderExtensionDefaultId,
extensions[i].id);
return;
}
}
FAIL() << "Absolute Sender Time extension not in header-extension list.";
}
TEST_F(WebRtcVideoEngine2Test, SupportsVideoRotationHeaderExtension) {
std::vector<RtpHeaderExtension> extensions = engine_.rtp_header_extensions();
ASSERT_FALSE(extensions.empty());
for (size_t i = 0; i < extensions.size(); ++i) {
if (extensions[i].uri == kRtpVideoRotationHeaderExtension) {
EXPECT_EQ(kRtpVideoRotationHeaderExtensionDefaultId, extensions[i].id);
return;
}
}
FAIL() << "Video Rotation extension not in header-extension list.";
}
TEST_F(WebRtcVideoEngine2Test, CVOSetHeaderExtensionBeforeCapturer) {
// Allocate the capturer first to prevent early destruction before channel's
// dtor is called.
cricket::FakeVideoCapturer capturer;
cricket::FakeWebRtcVideoEncoderFactory encoder_factory;
encoder_factory.AddSupportedVideoCodecType(webrtc::kVideoCodecVP8, "VP8");
std::vector<cricket::VideoCodec> codecs;
codecs.push_back(kVp8Codec);
rtc::scoped_ptr<VideoMediaChannel> channel(
SetUpForExternalEncoderFactory(&encoder_factory, codecs));
EXPECT_TRUE(channel->AddSendStream(StreamParams::CreateLegacy(kSsrc)));
// Add CVO extension.
const int id = 1;
std::vector<cricket::RtpHeaderExtension> extensions;
extensions.push_back(
cricket::RtpHeaderExtension(kRtpVideoRotationHeaderExtension, id));
EXPECT_TRUE(channel->SetSendRtpHeaderExtensions(extensions));
// Set capturer.
EXPECT_TRUE(channel->SetCapturer(kSsrc, &capturer));
// Verify capturer has turned off applying rotation.
EXPECT_FALSE(capturer.GetApplyRotation());
// Verify removing header extension turns on applying rotation.
extensions.clear();
EXPECT_TRUE(channel->SetSendRtpHeaderExtensions(extensions));
EXPECT_TRUE(capturer.GetApplyRotation());
}
TEST_F(WebRtcVideoEngine2Test, CVOSetHeaderExtensionAfterCapturer) {
cricket::FakeVideoCapturer capturer;
cricket::FakeWebRtcVideoEncoderFactory encoder_factory;
encoder_factory.AddSupportedVideoCodecType(webrtc::kVideoCodecVP8, "VP8");
std::vector<cricket::VideoCodec> codecs;
codecs.push_back(kVp8Codec);
rtc::scoped_ptr<VideoMediaChannel> channel(
SetUpForExternalEncoderFactory(&encoder_factory, codecs));
EXPECT_TRUE(channel->AddSendStream(StreamParams::CreateLegacy(kSsrc)));
// Set capturer.
EXPECT_TRUE(channel->SetCapturer(kSsrc, &capturer));
// Add CVO extension.
const int id = 1;
std::vector<cricket::RtpHeaderExtension> extensions;
extensions.push_back(
cricket::RtpHeaderExtension(kRtpVideoRotationHeaderExtension, id));
EXPECT_TRUE(channel->SetSendRtpHeaderExtensions(extensions));
// Verify capturer has turned off applying rotation.
EXPECT_FALSE(capturer.GetApplyRotation());
// Verify removing header extension turns on applying rotation.
extensions.clear();
EXPECT_TRUE(channel->SetSendRtpHeaderExtensions(extensions));
EXPECT_TRUE(capturer.GetApplyRotation());
}
TEST_F(WebRtcVideoEngine2Test, SetSendFailsBeforeSettingCodecs) {
engine_.Init(rtc::Thread::Current());
rtc::scoped_ptr<VideoMediaChannel> channel(
engine_.CreateChannel(cricket::VideoOptions(), NULL));
EXPECT_TRUE(channel->AddSendStream(StreamParams::CreateLegacy(123)));
EXPECT_FALSE(channel->SetSend(true))
<< "Channel should not start without codecs.";
EXPECT_TRUE(channel->SetSend(false))
<< "Channel should be stoppable even without set codecs.";
}
TEST_F(WebRtcVideoEngine2Test, GetStatsWithoutSendCodecsSetDoesNotCrash) {
engine_.Init(rtc::Thread::Current());
rtc::scoped_ptr<VideoMediaChannel> channel(
engine_.CreateChannel(cricket::VideoOptions(), NULL));
EXPECT_TRUE(channel->AddSendStream(StreamParams::CreateLegacy(123)));
VideoMediaInfo info;
channel->GetStats(&info);
}
TEST_F(WebRtcVideoEngine2Test, UseExternalFactoryForVp8WhenSupported) {
cricket::FakeWebRtcVideoEncoderFactory encoder_factory;
encoder_factory.AddSupportedVideoCodecType(webrtc::kVideoCodecVP8, "VP8");
std::vector<cricket::VideoCodec> codecs;
codecs.push_back(kVp8Codec);
rtc::scoped_ptr<VideoMediaChannel> channel(
SetUpForExternalEncoderFactory(&encoder_factory, codecs));
EXPECT_TRUE(
channel->AddSendStream(cricket::StreamParams::CreateLegacy(kSsrc)));
ASSERT_EQ(1u, encoder_factory.encoders().size());
EXPECT_TRUE(channel->SetSend(true));
cricket::FakeVideoCapturer capturer;
EXPECT_TRUE(channel->SetCapturer(kSsrc, &capturer));
EXPECT_EQ(cricket::CS_RUNNING,
capturer.Start(capturer.GetSupportedFormats()->front()));
EXPECT_TRUE(capturer.CaptureFrame());
EXPECT_TRUE_WAIT(encoder_factory.encoders()[0]->GetNumEncodedFrames() > 0,
kTimeout);
// Sending one frame will have reallocated the encoder since input size
// changes from a small default to the actual frame width/height.
int num_created_encoders = encoder_factory.GetNumCreatedEncoders();
EXPECT_EQ(num_created_encoders, 2);
// Setting codecs of the same type should not reallocate any encoders
// (expecting a no-op).
EXPECT_TRUE(channel->SetSendCodecs(codecs));
EXPECT_EQ(num_created_encoders, encoder_factory.GetNumCreatedEncoders());
// Remove stream previously added to free the external encoder instance.
EXPECT_TRUE(channel->RemoveSendStream(kSsrc));
EXPECT_EQ(0u, encoder_factory.encoders().size());
}
TEST_F(WebRtcVideoEngine2Test, CanConstructDecoderForVp9EncoderFactory) {
cricket::FakeWebRtcVideoEncoderFactory encoder_factory;
encoder_factory.AddSupportedVideoCodecType(webrtc::kVideoCodecVP9, "VP9");
std::vector<cricket::VideoCodec> codecs;
codecs.push_back(kVp9Codec);
rtc::scoped_ptr<VideoMediaChannel> channel(
SetUpForExternalEncoderFactory(&encoder_factory, codecs));
EXPECT_TRUE(
channel->AddRecvStream(cricket::StreamParams::CreateLegacy(kSsrc)));
}
VideoMediaChannel* WebRtcVideoEngine2Test::SetUpForExternalEncoderFactory(
cricket::WebRtcVideoEncoderFactory* encoder_factory,
const std::vector<VideoCodec>& codecs) {
engine_.SetExternalEncoderFactory(encoder_factory);
engine_.Init(rtc::Thread::Current());
VideoMediaChannel* channel =
engine_.CreateChannel(cricket::VideoOptions(), NULL);
EXPECT_TRUE(channel->SetSendCodecs(codecs));
return channel;
}
VideoMediaChannel* WebRtcVideoEngine2Test::SetUpForExternalDecoderFactory(
cricket::WebRtcVideoDecoderFactory* decoder_factory,
const std::vector<VideoCodec>& codecs) {
engine_.SetExternalDecoderFactory(decoder_factory);
engine_.Init(rtc::Thread::Current());
VideoMediaChannel* channel =
engine_.CreateChannel(cricket::VideoOptions(), NULL);
EXPECT_TRUE(channel->SetRecvCodecs(codecs));
return channel;
}
TEST_F(WebRtcVideoEngine2Test, UsesSimulcastAdapterForVp8Factories) {
cricket::FakeWebRtcVideoEncoderFactory encoder_factory;
encoder_factory.AddSupportedVideoCodecType(webrtc::kVideoCodecVP8, "VP8");
std::vector<cricket::VideoCodec> codecs;
codecs.push_back(kVp8Codec);
rtc::scoped_ptr<VideoMediaChannel> channel(
SetUpForExternalEncoderFactory(&encoder_factory, codecs));
std::vector<uint32> ssrcs = MAKE_VECTOR(kSsrcs3);
EXPECT_TRUE(
channel->AddSendStream(CreateSimStreamParams("cname", ssrcs)));
EXPECT_TRUE(channel->SetSend(true));
cricket::FakeVideoCapturer capturer;
EXPECT_TRUE(channel->SetCapturer(ssrcs.front(), &capturer));
EXPECT_EQ(cricket::CS_RUNNING,
capturer.Start(capturer.GetSupportedFormats()->front()));
EXPECT_TRUE(capturer.CaptureFrame());
EXPECT_GT(encoder_factory.encoders().size(), 1u);
// Verify that encoders are configured for simulcast through adapter
// (increasing resolution and only configured to send one stream each).
int prev_width = -1;
for (size_t i = 0; i < encoder_factory.encoders().size(); ++i) {
webrtc::VideoCodec codec_settings =
encoder_factory.encoders()[i]->GetCodecSettings();
EXPECT_EQ(0, codec_settings.numberOfSimulcastStreams);
EXPECT_GT(codec_settings.width, prev_width);
prev_width = codec_settings.width;
}
EXPECT_TRUE(channel->SetCapturer(ssrcs.front(), NULL));
channel.reset();
ASSERT_EQ(0u, encoder_factory.encoders().size());
}
TEST_F(WebRtcVideoEngine2Test, ChannelWithExternalH264CanChangeToInternalVp8) {
cricket::FakeWebRtcVideoEncoderFactory encoder_factory;
encoder_factory.AddSupportedVideoCodecType(webrtc::kVideoCodecH264, "H264");
std::vector<cricket::VideoCodec> codecs;
codecs.push_back(kH264Codec);
rtc::scoped_ptr<VideoMediaChannel> channel(
SetUpForExternalEncoderFactory(&encoder_factory, codecs));
EXPECT_TRUE(
channel->AddSendStream(cricket::StreamParams::CreateLegacy(kSsrc)));
ASSERT_EQ(1u, encoder_factory.encoders().size());
codecs.clear();
codecs.push_back(kVp8Codec);
EXPECT_TRUE(channel->SetSendCodecs(codecs));
ASSERT_EQ(0u, encoder_factory.encoders().size());
}
TEST_F(WebRtcVideoEngine2Test,
DontUseExternalEncoderFactoryForUnsupportedCodecs) {
cricket::FakeWebRtcVideoEncoderFactory encoder_factory;
encoder_factory.AddSupportedVideoCodecType(webrtc::kVideoCodecH264, "H264");
std::vector<cricket::VideoCodec> codecs;
codecs.push_back(kVp8Codec);
rtc::scoped_ptr<VideoMediaChannel> channel(
SetUpForExternalEncoderFactory(&encoder_factory, codecs));
EXPECT_TRUE(
channel->AddSendStream(cricket::StreamParams::CreateLegacy(kSsrc)));
// Make sure DestroyVideoEncoder was called on the factory.
ASSERT_EQ(0u, encoder_factory.encoders().size());
}
TEST_F(WebRtcVideoEngine2Test,
UsesSimulcastAdapterForVp8WithCombinedVP8AndH264Factory) {
cricket::FakeWebRtcVideoEncoderFactory encoder_factory;
encoder_factory.AddSupportedVideoCodecType(webrtc::kVideoCodecVP8, "VP8");
encoder_factory.AddSupportedVideoCodecType(webrtc::kVideoCodecH264, "H264");
std::vector<cricket::VideoCodec> codecs;
codecs.push_back(kVp8Codec);
rtc::scoped_ptr<VideoMediaChannel> channel(
SetUpForExternalEncoderFactory(&encoder_factory, codecs));
std::vector<uint32> ssrcs = MAKE_VECTOR(kSsrcs3);
EXPECT_TRUE(
channel->AddSendStream(CreateSimStreamParams("cname", ssrcs)));
EXPECT_TRUE(channel->SetSend(true));
// Send a fake frame, or else the media engine will configure the simulcast
// encoder adapter at a low-enough size that it'll only create a single
// encoder layer.
cricket::FakeVideoCapturer capturer;
EXPECT_TRUE(channel->SetCapturer(ssrcs.front(), &capturer));
EXPECT_EQ(cricket::CS_RUNNING,
capturer.Start(capturer.GetSupportedFormats()->front()));
EXPECT_TRUE(capturer.CaptureFrame());
ASSERT_GT(encoder_factory.encoders().size(), 1u);
EXPECT_EQ(webrtc::kVideoCodecVP8,
encoder_factory.encoders()[0]->GetCodecSettings().codecType);
channel.reset();
// Make sure DestroyVideoEncoder was called on the factory.
EXPECT_EQ(0u, encoder_factory.encoders().size());
}
TEST_F(WebRtcVideoEngine2Test,
DestroysNonSimulcastEncoderFromCombinedVP8AndH264Factory) {
cricket::FakeWebRtcVideoEncoderFactory encoder_factory;
encoder_factory.AddSupportedVideoCodecType(webrtc::kVideoCodecVP8, "VP8");
encoder_factory.AddSupportedVideoCodecType(webrtc::kVideoCodecH264, "H264");
std::vector<cricket::VideoCodec> codecs;
codecs.push_back(kH264Codec);
rtc::scoped_ptr<VideoMediaChannel> channel(
SetUpForExternalEncoderFactory(&encoder_factory, codecs));
EXPECT_TRUE(
channel->AddSendStream(cricket::StreamParams::CreateLegacy(kSsrc)));
ASSERT_EQ(1u, encoder_factory.encoders().size());
EXPECT_EQ(webrtc::kVideoCodecH264,
encoder_factory.encoders()[0]->GetCodecSettings().codecType);
channel.reset();
// Make sure DestroyVideoEncoder was called on the factory.
ASSERT_EQ(0u, encoder_factory.encoders().size());
}
// Test external codec with be added to the end of the supported codec list.
TEST_F(WebRtcVideoEngine2Test, ReportSupportedExternalCodecs) {
cricket::FakeWebRtcVideoEncoderFactory encoder_factory;
encoder_factory.AddSupportedVideoCodecType(webrtc::kVideoCodecH264, "H264");
engine_.SetExternalEncoderFactory(&encoder_factory);
engine_.Init(rtc::Thread::Current());
std::vector<cricket::VideoCodec> codecs(engine_.codecs());
ASSERT_GE(codecs.size(), 2u);
cricket::VideoCodec internal_codec = codecs.front();
cricket::VideoCodec external_codec = codecs.back();
// The external codec will appear at last.
EXPECT_EQ("VP8", internal_codec.name);
EXPECT_EQ("H264", external_codec.name);
}
TEST_F(WebRtcVideoEngine2Test, RegisterExternalDecodersIfSupported) {
cricket::FakeWebRtcVideoDecoderFactory decoder_factory;
decoder_factory.AddSupportedVideoCodecType(webrtc::kVideoCodecVP8);
std::vector<cricket::VideoCodec> codecs;
codecs.push_back(kVp8Codec);
rtc::scoped_ptr<VideoMediaChannel> channel(
SetUpForExternalDecoderFactory(&decoder_factory, codecs));
EXPECT_TRUE(
channel->AddRecvStream(cricket::StreamParams::CreateLegacy(kSsrc)));
ASSERT_EQ(1u, decoder_factory.decoders().size());
// Setting codecs of the same type should not reallocate the decoder.
EXPECT_TRUE(channel->SetRecvCodecs(codecs));
EXPECT_EQ(1, decoder_factory.GetNumCreatedDecoders());
// Remove stream previously added to free the external decoder instance.
EXPECT_TRUE(channel->RemoveRecvStream(kSsrc));
EXPECT_EQ(0u, decoder_factory.decoders().size());
}
// Verifies that we can set up decoders that are not internally supported.
TEST_F(WebRtcVideoEngine2Test, RegisterExternalH264DecoderIfSupported) {
// TODO(pbos): Do not assume that encoder/decoder support is symmetric. We
// can't even query the WebRtcVideoDecoderFactory for supported codecs.
// For now we add a FakeWebRtcVideoEncoderFactory to add H264 to supported
// codecs.
cricket::FakeWebRtcVideoEncoderFactory encoder_factory;
encoder_factory.AddSupportedVideoCodecType(webrtc::kVideoCodecH264, "H264");
engine_.SetExternalEncoderFactory(&encoder_factory);
cricket::FakeWebRtcVideoDecoderFactory decoder_factory;
decoder_factory.AddSupportedVideoCodecType(webrtc::kVideoCodecH264);
std::vector<cricket::VideoCodec> codecs;
codecs.push_back(kH264Codec);
rtc::scoped_ptr<VideoMediaChannel> channel(
SetUpForExternalDecoderFactory(&decoder_factory, codecs));
EXPECT_TRUE(
channel->AddRecvStream(cricket::StreamParams::CreateLegacy(kSsrc)));
ASSERT_EQ(1u, decoder_factory.decoders().size());
}
class WebRtcVideoEngine2BaseTest
: public VideoEngineTest<cricket::WebRtcVideoEngine2> {
protected:
typedef VideoEngineTest<cricket::WebRtcVideoEngine2> Base;
};
#define WEBRTC_ENGINE_BASE_TEST(test) \
TEST_F(WebRtcVideoEngine2BaseTest, test) { Base::test##Body(); }
WEBRTC_ENGINE_BASE_TEST(ConstrainNewCodec2);
class WebRtcVideoChannel2BaseTest
: public VideoMediaChannelTest<WebRtcVideoEngine2, WebRtcVideoChannel2> {
protected:
typedef VideoMediaChannelTest<WebRtcVideoEngine2, WebRtcVideoChannel2> Base;
cricket::VideoCodec DefaultCodec() override { return kVp8Codec; }
};
#define WEBRTC_BASE_TEST(test) \
TEST_F(WebRtcVideoChannel2BaseTest, test) { Base::test(); }
#define WEBRTC_DISABLED_BASE_TEST(test) \
TEST_F(WebRtcVideoChannel2BaseTest, DISABLED_##test) { Base::test(); }
// TODO(pbos): Fix WebRtcVideoEngine2BaseTest, where we want CheckCoInitialize.
#if 0
// TODO(juberti): Figure out why ViE is munging the COM refcount.
#ifdef WIN32
WEBRTC_DISABLED_BASE_TEST(CheckCoInitialize) {
Base::CheckCoInitialize();
}
#endif
#endif
WEBRTC_BASE_TEST(SetSend);
WEBRTC_BASE_TEST(SetSendWithoutCodecs);
WEBRTC_BASE_TEST(SetSendSetsTransportBufferSizes);
WEBRTC_BASE_TEST(GetStats);
WEBRTC_BASE_TEST(GetStatsMultipleRecvStreams);
WEBRTC_BASE_TEST(GetStatsMultipleSendStreams);
WEBRTC_BASE_TEST(SetSendBandwidth);
WEBRTC_BASE_TEST(SetSendSsrc);
WEBRTC_BASE_TEST(SetSendSsrcAfterSetCodecs);
WEBRTC_BASE_TEST(SetRenderer);
WEBRTC_BASE_TEST(AddRemoveRecvStreams);
WEBRTC_DISABLED_BASE_TEST(AddRemoveRecvStreamAndRender);
WEBRTC_BASE_TEST(AddRemoveRecvStreamsNoConference);
WEBRTC_BASE_TEST(AddRemoveSendStreams);
WEBRTC_BASE_TEST(SimulateConference);
WEBRTC_BASE_TEST(AddRemoveCapturer);
WEBRTC_BASE_TEST(RemoveCapturerWithoutAdd);
WEBRTC_BASE_TEST(AddRemoveCapturerMultipleSources);
// TODO(pbos): Figure out why this fails so often.
WEBRTC_DISABLED_BASE_TEST(HighAspectHighHeightCapturer);
WEBRTC_BASE_TEST(RejectEmptyStreamParams);
WEBRTC_BASE_TEST(AdaptResolution16x10);
WEBRTC_BASE_TEST(AdaptResolution4x3);
// TODO(juberti): Restore this test once we support sending 0 fps.
WEBRTC_DISABLED_BASE_TEST(AdaptDropAllFrames);
// TODO(juberti): Understand why we get decode errors on this test.
WEBRTC_DISABLED_BASE_TEST(AdaptFramerate);
WEBRTC_BASE_TEST(SendsLowerResolutionOnSmallerFrames);
WEBRTC_BASE_TEST(MuteStream);
WEBRTC_BASE_TEST(MultipleSendStreams);
WEBRTC_BASE_TEST(SetSendStreamFormat0x0);
// TODO(zhurunz): Fix the flakey test.
WEBRTC_DISABLED_BASE_TEST(SetSendStreamFormat);
TEST_F(WebRtcVideoChannel2BaseTest, SendAndReceiveVp8Vga) {
SendAndReceive(cricket::VideoCodec(100, "VP8", 640, 400, 30, 0));
}
TEST_F(WebRtcVideoChannel2BaseTest, SendAndReceiveVp8Qvga) {
SendAndReceive(cricket::VideoCodec(100, "VP8", 320, 200, 30, 0));
}
TEST_F(WebRtcVideoChannel2BaseTest, SendAndReceiveVp8SvcQqvga) {
SendAndReceive(cricket::VideoCodec(100, "VP8", 160, 100, 30, 0));
}
TEST_F(WebRtcVideoChannel2BaseTest, TwoStreamsSendAndReceive) {
Base::TwoStreamsSendAndReceive(kVp8Codec);
}
TEST_F(WebRtcVideoChannel2BaseTest, TwoStreamsReUseFirstStream) {
Base::TwoStreamsReUseFirstStream(kVp8Codec);
}
WEBRTC_BASE_TEST(SendManyResizeOnce);
// TODO(pbos): Enable and figure out why this fails (or should work).
TEST_F(WebRtcVideoChannel2BaseTest, DISABLED_SendVp8HdAndReceiveAdaptedVp8Vga) {
EXPECT_TRUE(channel_->SetCapturer(kSsrc, NULL));
EXPECT_TRUE(channel_->SetRenderer(kDefaultReceiveSsrc, &renderer_));
channel_->UpdateAspectRatio(1280, 720);
video_capturer_.reset(new cricket::FakeVideoCapturer);
const std::vector<cricket::VideoFormat>* formats =
video_capturer_->GetSupportedFormats();
cricket::VideoFormat capture_format_hd = (*formats)[0];
EXPECT_EQ(cricket::CS_RUNNING, video_capturer_->Start(capture_format_hd));
EXPECT_TRUE(channel_->SetCapturer(kSsrc, video_capturer_.get()));
// Capture format HD -> adapt (OnOutputFormatRequest VGA) -> VGA.
cricket::VideoCodec codec = kVp8Codec720p;
EXPECT_TRUE(SetOneCodec(codec));
codec.width /= 2;
codec.height /= 2;
EXPECT_TRUE(SetSend(true));
EXPECT_TRUE(channel_->SetRender(true));
EXPECT_EQ(0, renderer_.num_rendered_frames());
EXPECT_TRUE(SendFrame());
EXPECT_FRAME_WAIT(1, codec.width, codec.height, kTimeout);
}
class WebRtcVideoChannel2Test : public WebRtcVideoEngine2Test,
public WebRtcCallFactory {
public:
WebRtcVideoChannel2Test() : fake_call_(NULL) {}
void SetUp() override {
engine_.SetCallFactory(this);
engine_.Init(rtc::Thread::Current());
channel_.reset(engine_.CreateChannel(cricket::VideoOptions(), NULL));
ASSERT_TRUE(fake_call_ != NULL) << "Call not created through factory.";
last_ssrc_ = 123;
ASSERT_TRUE(channel_->SetSendCodecs(engine_.codecs()));
}
protected:
webrtc::Call* CreateCall(const webrtc::Call::Config& config) override {
assert(fake_call_ == NULL);
fake_call_ = new FakeCall(config);
return fake_call_;
}
FakeVideoSendStream* AddSendStream() {
return AddSendStream(StreamParams::CreateLegacy(++last_ssrc_));
}
FakeVideoSendStream* AddSendStream(const StreamParams& sp) {
size_t num_streams = fake_call_->GetVideoSendStreams().size();
EXPECT_TRUE(channel_->AddSendStream(sp));
std::vector<FakeVideoSendStream*> streams =
fake_call_->GetVideoSendStreams();
EXPECT_EQ(num_streams + 1, streams.size());
return streams[streams.size() - 1];
}
std::vector<FakeVideoSendStream*> GetFakeSendStreams() {
return fake_call_->GetVideoSendStreams();
}
FakeVideoReceiveStream* AddRecvStream() {
return AddRecvStream(StreamParams::CreateLegacy(++last_ssrc_));
}
FakeVideoReceiveStream* AddRecvStream(const StreamParams& sp) {
size_t num_streams = fake_call_->GetVideoReceiveStreams().size();
EXPECT_TRUE(channel_->AddRecvStream(sp));
std::vector<FakeVideoReceiveStream*> streams =
fake_call_->GetVideoReceiveStreams();
EXPECT_EQ(num_streams + 1, streams.size());
return streams[streams.size() - 1];
}
void SetSendCodecsShouldWorkForBitrates(const char* min_bitrate_kbps,
int expected_min_bitrate_bps,
const char* start_bitrate_kbps,
int expected_start_bitrate_bps,
const char* max_bitrate_kbps,
int expected_max_bitrate_bps) {
std::vector<VideoCodec> codecs;
codecs.push_back(kVp8Codec);
codecs[0].params[kCodecParamMinBitrate] = min_bitrate_kbps;
codecs[0].params[kCodecParamStartBitrate] = start_bitrate_kbps;
codecs[0].params[kCodecParamMaxBitrate] = max_bitrate_kbps;
EXPECT_TRUE(channel_->SetSendCodecs(codecs));
EXPECT_EQ(expected_min_bitrate_bps,
fake_call_->GetConfig().bitrate_config.min_bitrate_bps);
EXPECT_EQ(expected_start_bitrate_bps,
fake_call_->GetConfig().bitrate_config.start_bitrate_bps);
EXPECT_EQ(expected_max_bitrate_bps,
fake_call_->GetConfig().bitrate_config.max_bitrate_bps);
}
void TestSetSendRtpHeaderExtensions(const std::string& cricket_ext,
const std::string& webrtc_ext) {
FakeCall* call = fake_call_;
// Enable extension.
const int id = 1;
std::vector<cricket::RtpHeaderExtension> extensions;
extensions.push_back(cricket::RtpHeaderExtension(cricket_ext, id));
EXPECT_TRUE(channel_->SetSendRtpHeaderExtensions(extensions));
FakeVideoSendStream* send_stream =
AddSendStream(cricket::StreamParams::CreateLegacy(123));
// Verify the send extension id.
ASSERT_EQ(1u, send_stream->GetConfig().rtp.extensions.size());
EXPECT_EQ(id, send_stream->GetConfig().rtp.extensions[0].id);
EXPECT_EQ(webrtc_ext, send_stream->GetConfig().rtp.extensions[0].name);
// Verify call with same set of extensions returns true.
EXPECT_TRUE(channel_->SetSendRtpHeaderExtensions(extensions));
// Verify that SetSendRtpHeaderExtensions doesn't implicitly add them for
// receivers.
EXPECT_TRUE(AddRecvStream(cricket::StreamParams::CreateLegacy(123))
->GetConfig()
.rtp.extensions.empty());
// Verify that existing RTP header extensions can be removed.
std::vector<cricket::RtpHeaderExtension> empty_extensions;
EXPECT_TRUE(channel_->SetSendRtpHeaderExtensions(empty_extensions));
ASSERT_EQ(1u, call->GetVideoSendStreams().size());
send_stream = call->GetVideoSendStreams()[0];
EXPECT_TRUE(send_stream->GetConfig().rtp.extensions.empty());
// Verify that adding receive RTP header extensions adds them for existing
// streams.
EXPECT_TRUE(channel_->SetSendRtpHeaderExtensions(extensions));
send_stream = call->GetVideoSendStreams()[0];
ASSERT_EQ(1u, send_stream->GetConfig().rtp.extensions.size());
EXPECT_EQ(id, send_stream->GetConfig().rtp.extensions[0].id);
EXPECT_EQ(webrtc_ext, send_stream->GetConfig().rtp.extensions[0].name);
}
void TestSetRecvRtpHeaderExtensions(const std::string& cricket_ext,
const std::string& webrtc_ext) {
FakeCall* call = fake_call_;
// Enable extension.
const int id = 1;
std::vector<cricket::RtpHeaderExtension> extensions;
extensions.push_back(cricket::RtpHeaderExtension(cricket_ext, id));
EXPECT_TRUE(channel_->SetRecvRtpHeaderExtensions(extensions));
FakeVideoReceiveStream* recv_stream =
AddRecvStream(cricket::StreamParams::CreateLegacy(123));
// Verify the recv extension id.
ASSERT_EQ(1u, recv_stream->GetConfig().rtp.extensions.size());
EXPECT_EQ(id, recv_stream->GetConfig().rtp.extensions[0].id);
EXPECT_EQ(webrtc_ext, recv_stream->GetConfig().rtp.extensions[0].name);
// Verify call with same set of extensions returns true.
EXPECT_TRUE(channel_->SetRecvRtpHeaderExtensions(extensions));
// Verify that SetRecvRtpHeaderExtensions doesn't implicitly add them for
// senders.
EXPECT_TRUE(AddSendStream(cricket::StreamParams::CreateLegacy(123))
->GetConfig()
.rtp.extensions.empty());
// Verify that existing RTP header extensions can be removed.
std::vector<cricket::RtpHeaderExtension> empty_extensions;
EXPECT_TRUE(channel_->SetRecvRtpHeaderExtensions(empty_extensions));
ASSERT_EQ(1u, call->GetVideoReceiveStreams().size());
recv_stream = call->GetVideoReceiveStreams()[0];
EXPECT_TRUE(recv_stream->GetConfig().rtp.extensions.empty());
// Verify that adding receive RTP header extensions adds them for existing
// streams.
EXPECT_TRUE(channel_->SetRecvRtpHeaderExtensions(extensions));
recv_stream = call->GetVideoReceiveStreams()[0];
ASSERT_EQ(1u, recv_stream->GetConfig().rtp.extensions.size());
EXPECT_EQ(id, recv_stream->GetConfig().rtp.extensions[0].id);
EXPECT_EQ(webrtc_ext, recv_stream->GetConfig().rtp.extensions[0].name);
}
void TestCpuAdaptation(bool enable_overuse);
FakeCall* fake_call_;
rtc::scoped_ptr<VideoMediaChannel> channel_;
uint32 last_ssrc_;
};
TEST_F(WebRtcVideoChannel2Test, RecvStreamWithSimAndRtx) {
EXPECT_TRUE(channel_->SetSendCodecs(engine_.codecs()));
EXPECT_TRUE(channel_->SetSend(true));
cricket::VideoOptions options;
options.conference_mode.Set(true);
EXPECT_TRUE(channel_->SetOptions(options));
// Send side.
const std::vector<uint32> ssrcs = MAKE_VECTOR(kSsrcs1);
const std::vector<uint32> rtx_ssrcs = MAKE_VECTOR(kRtxSsrcs1);
FakeVideoSendStream* send_stream = AddSendStream(
cricket::CreateSimWithRtxStreamParams("cname", ssrcs, rtx_ssrcs));
ASSERT_EQ(rtx_ssrcs.size(), send_stream->GetConfig().rtp.rtx.ssrcs.size());
for (size_t i = 0; i < rtx_ssrcs.size(); ++i)
EXPECT_EQ(rtx_ssrcs[i], send_stream->GetConfig().rtp.rtx.ssrcs[i]);
// Receiver side.
FakeVideoReceiveStream* recv_stream = AddRecvStream(
cricket::CreateSimWithRtxStreamParams("cname", ssrcs, rtx_ssrcs));
ASSERT_GT(recv_stream->GetConfig().rtp.rtx.size(), 0u)
<< "No SSRCs for RTX configured by AddRecvStream.";
ASSERT_EQ(1u, recv_stream->GetConfig().rtp.rtx.size())
<< "This test only works with one receive codec. Please update the test.";
EXPECT_EQ(rtx_ssrcs[0],
recv_stream->GetConfig().rtp.rtx.begin()->second.ssrc);
// TODO(pbos): Make sure we set the RTX for correct payloads etc.
}
TEST_F(WebRtcVideoChannel2Test, RecvStreamWithRtx) {
// Setup one channel with an associated RTX stream.
cricket::StreamParams params =
cricket::StreamParams::CreateLegacy(kSsrcs1[0]);
params.AddFidSsrc(kSsrcs1[0], kRtxSsrcs1[0]);
FakeVideoReceiveStream* recv_stream = AddRecvStream(params);
ASSERT_EQ(1u, recv_stream->GetConfig().rtp.rtx.size());
EXPECT_EQ(kRtxSsrcs1[0],
recv_stream->GetConfig().rtp.rtx.begin()->second.ssrc);
}
TEST_F(WebRtcVideoChannel2Test, RecvStreamNoRtx) {
// Setup one channel without an associated RTX stream.
cricket::StreamParams params =
cricket::StreamParams::CreateLegacy(kSsrcs1[0]);
FakeVideoReceiveStream* recv_stream = AddRecvStream(params);
ASSERT_TRUE(recv_stream->GetConfig().rtp.rtx.empty());
}
TEST_F(WebRtcVideoChannel2Test, NoHeaderExtesionsByDefault) {
FakeVideoSendStream* send_stream =
AddSendStream(cricket::StreamParams::CreateLegacy(kSsrcs1[0]));
ASSERT_TRUE(send_stream->GetConfig().rtp.extensions.empty());
FakeVideoReceiveStream* recv_stream =
AddRecvStream(cricket::StreamParams::CreateLegacy(kSsrcs1[0]));
ASSERT_TRUE(recv_stream->GetConfig().rtp.extensions.empty());
}
// Test support for RTP timestamp offset header extension.
TEST_F(WebRtcVideoChannel2Test, SendRtpTimestampOffsetHeaderExtensions) {
TestSetSendRtpHeaderExtensions(kRtpTimestampOffsetHeaderExtension,
webrtc::RtpExtension::kTOffset);
}
TEST_F(WebRtcVideoChannel2Test, RecvRtpTimestampOffsetHeaderExtensions) {
TestSetRecvRtpHeaderExtensions(kRtpTimestampOffsetHeaderExtension,
webrtc::RtpExtension::kTOffset);
}
// Test support for absolute send time header extension.
TEST_F(WebRtcVideoChannel2Test, SendAbsoluteSendTimeHeaderExtensions) {
TestSetSendRtpHeaderExtensions(kRtpAbsoluteSenderTimeHeaderExtension,
webrtc::RtpExtension::kAbsSendTime);
}
TEST_F(WebRtcVideoChannel2Test, RecvAbsoluteSendTimeHeaderExtensions) {
TestSetRecvRtpHeaderExtensions(kRtpAbsoluteSenderTimeHeaderExtension,
webrtc::RtpExtension::kAbsSendTime);
}
// Test support for video rotation header extension.
TEST_F(WebRtcVideoChannel2Test, SendVideoRotationHeaderExtensions) {
TestSetSendRtpHeaderExtensions(kRtpVideoRotationHeaderExtension,
webrtc::RtpExtension::kVideoRotation);
}
TEST_F(WebRtcVideoChannel2Test, RecvVideoRotationHeaderExtensions) {
TestSetRecvRtpHeaderExtensions(kRtpVideoRotationHeaderExtension,
webrtc::RtpExtension::kVideoRotation);
}
TEST_F(WebRtcVideoChannel2Test, IdenticalSendExtensionsDoesntRecreateStream) {
const int kTOffsetId = 1;
const int kAbsSendTimeId = 2;
const int kVideoRotationId = 3;
std::vector<cricket::RtpHeaderExtension> extensions;
extensions.push_back(cricket::RtpHeaderExtension(
kRtpAbsoluteSenderTimeHeaderExtension, kAbsSendTimeId));
extensions.push_back(cricket::RtpHeaderExtension(
kRtpTimestampOffsetHeaderExtension, kTOffsetId));
extensions.push_back(cricket::RtpHeaderExtension(
kRtpVideoRotationHeaderExtension, kVideoRotationId));
EXPECT_TRUE(channel_->SetSendRtpHeaderExtensions(extensions));
FakeVideoSendStream* send_stream =
AddSendStream(cricket::StreamParams::CreateLegacy(123));
EXPECT_EQ(1, fake_call_->GetNumCreatedSendStreams());
ASSERT_EQ(3u, send_stream->GetConfig().rtp.extensions.size());
// Setting the same extensions (even if in different order) shouldn't
// reallocate the stream.
std::reverse(extensions.begin(), extensions.end());
EXPECT_TRUE(channel_->SetSendRtpHeaderExtensions(extensions));
EXPECT_EQ(1, fake_call_->GetNumCreatedSendStreams());
// Setting different extensions should recreate the stream.
extensions.resize(1);
EXPECT_TRUE(channel_->SetSendRtpHeaderExtensions(extensions));
EXPECT_EQ(2, fake_call_->GetNumCreatedSendStreams());
}
TEST_F(WebRtcVideoChannel2Test, IdenticalRecvExtensionsDoesntRecreateStream) {
const int kTOffsetId = 1;
const int kAbsSendTimeId = 2;
const int kVideoRotationId = 3;
std::vector<cricket::RtpHeaderExtension> extensions;
extensions.push_back(cricket::RtpHeaderExtension(
kRtpAbsoluteSenderTimeHeaderExtension, kAbsSendTimeId));
extensions.push_back(cricket::RtpHeaderExtension(
kRtpTimestampOffsetHeaderExtension, kTOffsetId));
extensions.push_back(cricket::RtpHeaderExtension(
kRtpVideoRotationHeaderExtension, kVideoRotationId));
EXPECT_TRUE(channel_->SetRecvRtpHeaderExtensions(extensions));
FakeVideoReceiveStream* send_stream =
AddRecvStream(cricket::StreamParams::CreateLegacy(123));
EXPECT_EQ(1, fake_call_->GetNumCreatedReceiveStreams());
ASSERT_EQ(3u, send_stream->GetConfig().rtp.extensions.size());
// Setting the same extensions (even if in different order) shouldn't
// reallocate the stream.
std::reverse(extensions.begin(), extensions.end());
EXPECT_TRUE(channel_->SetRecvRtpHeaderExtensions(extensions));
EXPECT_EQ(1, fake_call_->GetNumCreatedReceiveStreams());
// Setting different extensions should recreate the stream.
extensions.resize(1);
EXPECT_TRUE(channel_->SetRecvRtpHeaderExtensions(extensions));
EXPECT_EQ(2, fake_call_->GetNumCreatedReceiveStreams());
}
TEST_F(WebRtcVideoChannel2Test,
SetSendRtpHeaderExtensionsExcludeUnsupportedExtensions) {
const int kUnsupportedId = 1;
const int kTOffsetId = 2;
std::vector<cricket::RtpHeaderExtension> extensions;
extensions.push_back(
cricket::RtpHeaderExtension(kUnsupportedExtensionName, kUnsupportedId));
extensions.push_back(
cricket::RtpHeaderExtension(webrtc::RtpExtension::kTOffset, kTOffsetId));
EXPECT_TRUE(channel_->SetSendRtpHeaderExtensions(extensions));
FakeVideoSendStream* send_stream =
AddSendStream(cricket::StreamParams::CreateLegacy(123));
// Only timestamp offset extension is set to send stream,
// unsupported rtp extension is ignored.
ASSERT_EQ(1u, send_stream->GetConfig().rtp.extensions.size());
EXPECT_STREQ(webrtc::RtpExtension::kTOffset,
send_stream->GetConfig().rtp.extensions[0].name.c_str());
}
TEST_F(WebRtcVideoChannel2Test,
SetRecvRtpHeaderExtensionsExcludeUnsupportedExtensions) {
const int kUnsupportedId = 1;
const int kTOffsetId = 2;
std::vector<cricket::RtpHeaderExtension> extensions;
extensions.push_back(
cricket::RtpHeaderExtension(kUnsupportedExtensionName, kUnsupportedId));
extensions.push_back(
cricket::RtpHeaderExtension(webrtc::RtpExtension::kTOffset, kTOffsetId));
EXPECT_TRUE(channel_->SetRecvRtpHeaderExtensions(extensions));
FakeVideoReceiveStream* recv_stream =
AddRecvStream(cricket::StreamParams::CreateLegacy(123));
// Only timestamp offset extension is set to receive stream,
// unsupported rtp extension is ignored.
ASSERT_EQ(1u, recv_stream->GetConfig().rtp.extensions.size());
EXPECT_STREQ(webrtc::RtpExtension::kTOffset,
recv_stream->GetConfig().rtp.extensions[0].name.c_str());
}
TEST_F(WebRtcVideoChannel2Test, SetSendRtpHeaderExtensionsRejectsIncorrectIds) {
const int kIncorrectIds[] = {-2, -1, 0, 15, 16};
for (size_t i = 0; i < arraysize(kIncorrectIds); ++i) {
std::vector<cricket::RtpHeaderExtension> extensions;
extensions.push_back(cricket::RtpHeaderExtension(
webrtc::RtpExtension::kTOffset, kIncorrectIds[i]));
EXPECT_FALSE(channel_->SetSendRtpHeaderExtensions(extensions))
<< "Bad extension id '" << kIncorrectIds[i] << "' accepted.";
}
}
TEST_F(WebRtcVideoChannel2Test, SetRecvRtpHeaderExtensionsRejectsIncorrectIds) {
const int kIncorrectIds[] = {-2, -1, 0, 15, 16};
for (size_t i = 0; i < arraysize(kIncorrectIds); ++i) {
std::vector<cricket::RtpHeaderExtension> extensions;
extensions.push_back(cricket::RtpHeaderExtension(
webrtc::RtpExtension::kTOffset, kIncorrectIds[i]));
EXPECT_FALSE(channel_->SetRecvRtpHeaderExtensions(extensions))
<< "Bad extension id '" << kIncorrectIds[i] << "' accepted.";
}
}
TEST_F(WebRtcVideoChannel2Test, SetSendRtpHeaderExtensionsRejectsDuplicateIds) {
const int id = 1;
std::vector<cricket::RtpHeaderExtension> extensions;
extensions.push_back(
cricket::RtpHeaderExtension(webrtc::RtpExtension::kTOffset, id));
extensions.push_back(
cricket::RtpHeaderExtension(kRtpAbsoluteSenderTimeHeaderExtension, id));
EXPECT_FALSE(channel_->SetSendRtpHeaderExtensions(extensions));
// Duplicate entries are also not supported.
extensions.clear();
extensions.push_back(
cricket::RtpHeaderExtension(webrtc::RtpExtension::kTOffset, id));
extensions.push_back(extensions.back());
EXPECT_FALSE(channel_->SetSendRtpHeaderExtensions(extensions));
}
TEST_F(WebRtcVideoChannel2Test, SetRecvRtpHeaderExtensionsRejectsDuplicateIds) {
const int id = 1;
std::vector<cricket::RtpHeaderExtension> extensions;
extensions.push_back(
cricket::RtpHeaderExtension(webrtc::RtpExtension::kTOffset, id));
extensions.push_back(
cricket::RtpHeaderExtension(kRtpAbsoluteSenderTimeHeaderExtension, id));
EXPECT_FALSE(channel_->SetRecvRtpHeaderExtensions(extensions));
// Duplicate entries are also not supported.
extensions.clear();
extensions.push_back(
cricket::RtpHeaderExtension(webrtc::RtpExtension::kTOffset, id));
extensions.push_back(extensions.back());
EXPECT_FALSE(channel_->SetRecvRtpHeaderExtensions(extensions));
}
TEST_F(WebRtcVideoChannel2Test, DISABLED_LeakyBucketTest) {
FAIL() << "Not implemented."; // TODO(pbos): Implement.
}
TEST_F(WebRtcVideoChannel2Test, DISABLED_BufferedModeLatency) {
FAIL() << "Not implemented."; // TODO(pbos): Implement.
}
TEST_F(WebRtcVideoChannel2Test, DISABLED_AdditiveVideoOptions) {
FAIL() << "Not implemented."; // TODO(pbos): Implement.
}
TEST_F(WebRtcVideoChannel2Test, AddRecvStreamOnlyUsesOneReceiveStream) {
EXPECT_TRUE(channel_->AddRecvStream(cricket::StreamParams::CreateLegacy(1)));
EXPECT_EQ(1u, fake_call_->GetVideoReceiveStreams().size());
}
TEST_F(WebRtcVideoChannel2Test, RembIsEnabledByDefault) {
FakeVideoReceiveStream* stream = AddRecvStream();
EXPECT_TRUE(stream->GetConfig().rtp.remb);
}
TEST_F(WebRtcVideoChannel2Test, RembCanBeEnabledAndDisabled) {
FakeVideoReceiveStream* stream = AddRecvStream();
EXPECT_TRUE(stream->GetConfig().rtp.remb);
// Verify that REMB is turned off when codecs without REMB are set.
std::vector<VideoCodec> codecs;
codecs.push_back(kVp8Codec);
EXPECT_TRUE(codecs[0].feedback_params.params().empty());
EXPECT_TRUE(channel_->SetRecvCodecs(codecs));
stream = fake_call_->GetVideoReceiveStreams()[0];
EXPECT_FALSE(stream->GetConfig().rtp.remb);
// Verify that REMB is turned on when setting default codecs since the
// default codecs have REMB enabled.
EXPECT_TRUE(channel_->SetRecvCodecs(engine_.codecs()));
stream = fake_call_->GetVideoReceiveStreams()[0];
EXPECT_TRUE(stream->GetConfig().rtp.remb);
}
TEST_F(WebRtcVideoChannel2Test, NackIsEnabledByDefault) {
VerifyCodecHasDefaultFeedbackParams(default_codec_);
EXPECT_TRUE(channel_->SetSendCodecs(engine_.codecs()));
EXPECT_TRUE(channel_->SetSend(true));
// Send side.
FakeVideoSendStream* send_stream =
AddSendStream(cricket::StreamParams::CreateLegacy(1));
EXPECT_GT(send_stream->GetConfig().rtp.nack.rtp_history_ms, 0);
// Receiver side.
FakeVideoReceiveStream* recv_stream =
AddRecvStream(cricket::StreamParams::CreateLegacy(1));
EXPECT_GT(recv_stream->GetConfig().rtp.nack.rtp_history_ms, 0);
// Nack history size should match between sender and receiver.
EXPECT_EQ(send_stream->GetConfig().rtp.nack.rtp_history_ms,
recv_stream->GetConfig().rtp.nack.rtp_history_ms);
}
TEST_F(WebRtcVideoChannel2Test, NackCanBeDisabled) {
std::vector<VideoCodec> codecs;
codecs.push_back(kVp8Codec);
// Send side.
ASSERT_TRUE(channel_->SetSendCodecs(codecs));
FakeVideoSendStream* send_stream =
AddSendStream(cricket::StreamParams::CreateLegacy(1));
EXPECT_EQ(0, send_stream->GetConfig().rtp.nack.rtp_history_ms);
// Receiver side.
ASSERT_TRUE(channel_->SetRecvCodecs(codecs));
FakeVideoReceiveStream* recv_stream =
AddRecvStream(cricket::StreamParams::CreateLegacy(1));
EXPECT_EQ(0, recv_stream->GetConfig().rtp.nack.rtp_history_ms);
}
TEST_F(WebRtcVideoChannel2Test, DISABLED_VideoProtectionInterop) {
FAIL() << "Not implemented."; // TODO(pbos): Implement.
}
TEST_F(WebRtcVideoChannel2Test, DISABLED_VideoProtectionInteropReversed) {
FAIL() << "Not implemented."; // TODO(pbos): Implement.
}
TEST_F(WebRtcVideoChannel2Test, DISABLED_HybridNackFecConference) {
FAIL() << "Not implemented."; // TODO(pbos): Implement.
}
TEST_F(WebRtcVideoChannel2Test, DISABLED_AddRemoveRecvStreamConference) {
FAIL() << "Not implemented."; // TODO(pbos): Implement.
}
TEST_F(WebRtcVideoChannel2Test, DISABLED_SetRender) {
FAIL() << "Not implemented."; // TODO(pbos): Implement.
}
TEST_F(WebRtcVideoChannel2Test, DISABLED_SetBandwidthAuto) {
FAIL() << "Not implemented."; // TODO(pbos): Implement.
}
TEST_F(WebRtcVideoChannel2Test, DISABLED_SetBandwidthAutoCapped) {
FAIL() << "Not implemented."; // TODO(pbos): Implement.
}
TEST_F(WebRtcVideoChannel2Test, DISABLED_SetBandwidthFixed) {
FAIL() << "Not implemented."; // TODO(pbos): Implement.
}
TEST_F(WebRtcVideoChannel2Test, DISABLED_SetBandwidthInConference) {
FAIL() << "Not implemented."; // TODO(pbos): Implement.
}
TEST_F(WebRtcVideoChannel2Test, UsesCorrectSettingsForScreencast) {
static const int kScreenshareMinBitrateKbps = 800;
cricket::VideoCodec codec = kVp8Codec360p;
std::vector<cricket::VideoCodec> codecs;
codecs.push_back(codec);
EXPECT_TRUE(channel_->SetSendCodecs(codecs));
VideoOptions options;
options.screencast_min_bitrate.Set(kScreenshareMinBitrateKbps);
channel_->SetOptions(options);
AddSendStream();
cricket::FakeVideoCapturer capturer;
capturer.SetScreencast(false);
EXPECT_TRUE(channel_->SetCapturer(last_ssrc_, &capturer));
cricket::VideoFormat capture_format_hd =
capturer.GetSupportedFormats()->front();
EXPECT_EQ(1280, capture_format_hd.width);
EXPECT_EQ(720, capture_format_hd.height);
EXPECT_EQ(cricket::CS_RUNNING, capturer.Start(capture_format_hd));
EXPECT_TRUE(channel_->SetSend(true));
EXPECT_TRUE(capturer.CaptureFrame());
ASSERT_EQ(1u, fake_call_->GetVideoSendStreams().size());
FakeVideoSendStream* send_stream = fake_call_->GetVideoSendStreams().front();
EXPECT_EQ(1, send_stream->GetNumberOfSwappedFrames());
// Verify non-screencast settings.
webrtc::VideoEncoderConfig encoder_config = send_stream->GetEncoderConfig();
EXPECT_EQ(webrtc::VideoEncoderConfig::kRealtimeVideo,
encoder_config.content_type);
EXPECT_EQ(codec.width, encoder_config.streams.front().width);
EXPECT_EQ(codec.height, encoder_config.streams.front().height);
EXPECT_EQ(0, encoder_config.min_transmit_bitrate_bps)
<< "Non-screenshare shouldn't use min-transmit bitrate.";
capturer.SetScreencast(true);
EXPECT_TRUE(capturer.CaptureFrame());
EXPECT_EQ(2, send_stream->GetNumberOfSwappedFrames());
// Verify screencast settings.
encoder_config = send_stream->GetEncoderConfig();
EXPECT_EQ(webrtc::VideoEncoderConfig::kScreenshare,
encoder_config.content_type);
EXPECT_EQ(kScreenshareMinBitrateKbps * 1000,
encoder_config.min_transmit_bitrate_bps);
EXPECT_EQ(capture_format_hd.width, encoder_config.streams.front().width);
EXPECT_EQ(capture_format_hd.height, encoder_config.streams.front().height);
EXPECT_TRUE(encoder_config.streams[0].temporal_layer_thresholds_bps.empty());
EXPECT_TRUE(channel_->SetCapturer(last_ssrc_, NULL));
}
TEST_F(WebRtcVideoChannel2Test,
ConferenceModeScreencastConfiguresTemporalLayer) {
static const int kConferenceScreencastTemporalBitrateBps = 100000;
VideoOptions options;
options.conference_mode.Set(true);
channel_->SetOptions(options);
AddSendStream();
cricket::FakeVideoCapturer capturer;
capturer.SetScreencast(true);
EXPECT_TRUE(channel_->SetCapturer(last_ssrc_, &capturer));
cricket::VideoFormat capture_format_hd =
capturer.GetSupportedFormats()->front();
EXPECT_EQ(cricket::CS_RUNNING, capturer.Start(capture_format_hd));
EXPECT_TRUE(channel_->SetSend(true));
EXPECT_TRUE(capturer.CaptureFrame());
ASSERT_EQ(1u, fake_call_->GetVideoSendStreams().size());
FakeVideoSendStream* send_stream = fake_call_->GetVideoSendStreams().front();
webrtc::VideoEncoderConfig encoder_config = send_stream->GetEncoderConfig();
// Verify screencast settings.
encoder_config = send_stream->GetEncoderConfig();
EXPECT_EQ(webrtc::VideoEncoderConfig::kScreenshare,
encoder_config.content_type);
ASSERT_EQ(1u, encoder_config.streams.size());
ASSERT_EQ(1u, encoder_config.streams[0].temporal_layer_thresholds_bps.size());
EXPECT_EQ(kConferenceScreencastTemporalBitrateBps,
encoder_config.streams[0].temporal_layer_thresholds_bps[0]);
EXPECT_TRUE(channel_->SetCapturer(last_ssrc_, NULL));
}
TEST_F(WebRtcVideoChannel2Test, DISABLED_SetSendSsrcAndCname) {
FAIL() << "Not implemented."; // TODO(pbos): Implement.
}
TEST_F(WebRtcVideoChannel2Test,
DISABLED_SetSendSsrcAfterCreatingReceiveChannel) {
FAIL() << "Not implemented."; // TODO(pbos): Implement.
}
TEST_F(WebRtcVideoChannel2Test, SuspendBelowMinBitrateDisabledByDefault) {
FakeVideoSendStream* stream = AddSendStream();
EXPECT_FALSE(stream->GetConfig().suspend_below_min_bitrate);
}
TEST_F(WebRtcVideoChannel2Test, SetOptionsWithSuspendBelowMinBitrate) {
VideoOptions options;
options.suspend_below_min_bitrate.Set(true);
channel_->SetOptions(options);
FakeVideoSendStream* stream = AddSendStream();
EXPECT_TRUE(stream->GetConfig().suspend_below_min_bitrate);
options.suspend_below_min_bitrate.Set(false);
channel_->SetOptions(options);
stream = fake_call_->GetVideoSendStreams()[0];
EXPECT_FALSE(stream->GetConfig().suspend_below_min_bitrate);
}
TEST_F(WebRtcVideoChannel2Test, Vp8DenoisingEnabledByDefault) {
FakeVideoSendStream* stream = AddSendStream();
webrtc::VideoCodecVP8 vp8_settings;
ASSERT_TRUE(stream->GetVp8Settings(&vp8_settings)) << "No VP8 config set.";
EXPECT_TRUE(vp8_settings.denoisingOn);
}
TEST_F(WebRtcVideoChannel2Test, SetOptionsWithDenoising) {
VideoOptions options;
options.video_noise_reduction.Set(false);
channel_->SetOptions(options);
FakeVideoSendStream* stream = AddSendStream();
webrtc::VideoCodecVP8 vp8_settings;
ASSERT_TRUE(stream->GetVp8Settings(&vp8_settings)) << "No VP8 config set.";
EXPECT_FALSE(vp8_settings.denoisingOn);
options.video_noise_reduction.Set(true);
channel_->SetOptions(options);
stream = fake_call_->GetVideoSendStreams()[0];
ASSERT_TRUE(stream->GetVp8Settings(&vp8_settings)) << "No VP8 config set.";
EXPECT_TRUE(vp8_settings.denoisingOn);
}
TEST_F(WebRtcVideoChannel2Test, DISABLED_MultipleSendStreamsWithOneCapturer) {
FAIL() << "Not implemented."; // TODO(pbos): Implement.
}
TEST_F(WebRtcVideoChannel2Test, DISABLED_SendReceiveBitratesStats) {
FAIL() << "Not implemented."; // TODO(pbos): Implement.
}
TEST_F(WebRtcVideoChannel2Test, AdaptsOnOveruse) {
TestCpuAdaptation(true);
}
TEST_F(WebRtcVideoChannel2Test, DoesNotAdaptOnOveruseWhenDisabled) {
TestCpuAdaptation(false);
}
void WebRtcVideoChannel2Test::TestCpuAdaptation(bool enable_overuse) {
cricket::VideoCodec codec = kVp8Codec720p;
std::vector<cricket::VideoCodec> codecs;
codecs.push_back(codec);
EXPECT_TRUE(channel_->SetSendCodecs(codecs));
if (!enable_overuse) {
VideoOptions options;
options.cpu_overuse_detection.Set(false);
channel_->SetOptions(options);
}
AddSendStream();
cricket::FakeVideoCapturer capturer;
EXPECT_TRUE(channel_->SetCapturer(last_ssrc_, &capturer));
EXPECT_EQ(cricket::CS_RUNNING,
capturer.Start(capturer.GetSupportedFormats()->front()));
EXPECT_TRUE(channel_->SetSend(true));
// Trigger overuse.
webrtc::LoadObserver* overuse_callback =
fake_call_->GetConfig().overuse_callback;
ASSERT_TRUE(overuse_callback != NULL);
overuse_callback->OnLoadUpdate(webrtc::LoadObserver::kOveruse);
EXPECT_TRUE(capturer.CaptureFrame());
ASSERT_EQ(1u, fake_call_->GetVideoSendStreams().size());
FakeVideoSendStream* send_stream = fake_call_->GetVideoSendStreams().front();
EXPECT_EQ(1, send_stream->GetNumberOfSwappedFrames());
if (enable_overuse) {
EXPECT_LT(send_stream->GetLastWidth(), codec.width);
EXPECT_LT(send_stream->GetLastHeight(), codec.height);
} else {
EXPECT_EQ(codec.width, send_stream->GetLastWidth());
EXPECT_EQ(codec.height, send_stream->GetLastHeight());
}
// Trigger underuse which should go back to normal resolution.
overuse_callback->OnLoadUpdate(webrtc::LoadObserver::kUnderuse);
EXPECT_TRUE(capturer.CaptureFrame());
EXPECT_EQ(2, send_stream->GetNumberOfSwappedFrames());
EXPECT_EQ(codec.width, send_stream->GetLastWidth());
EXPECT_EQ(codec.height, send_stream->GetLastHeight());
EXPECT_TRUE(channel_->SetCapturer(last_ssrc_, NULL));
}
TEST_F(WebRtcVideoChannel2Test, EstimatesNtpStartTimeAndElapsedTimeCorrectly) {
// Start at last timestamp to verify that wraparounds are estimated correctly.
static const uint32_t kInitialTimestamp = 0xFFFFFFFFu;
static const int64_t kInitialNtpTimeMs = 1247891230;
static const int kFrameOffsetMs = 20;
EXPECT_TRUE(channel_->SetRecvCodecs(engine_.codecs()));
FakeVideoReceiveStream* stream = AddRecvStream();
cricket::FakeVideoRenderer renderer;
EXPECT_TRUE(channel_->SetRenderer(last_ssrc_, &renderer));
EXPECT_TRUE(channel_->SetRender(true));
webrtc::I420VideoFrame video_frame;
CreateBlackFrame(&video_frame, 4, 4);
video_frame.set_timestamp(kInitialTimestamp);
// Initial NTP time is not available on the first frame, but should still be
// able to be estimated.
stream->InjectFrame(video_frame, 0);
EXPECT_EQ(1, renderer.num_rendered_frames());
EXPECT_EQ(0, renderer.last_frame_elapsed_time_ns());
// This timestamp is kInitialTimestamp (-1) + kFrameOffsetMs * 90, which
// triggers a constant-overflow warning, hence we're calculating it explicitly
// here.
video_frame.set_timestamp(kFrameOffsetMs * 90 - 1);
video_frame.set_ntp_time_ms(kInitialNtpTimeMs + kFrameOffsetMs);
stream->InjectFrame(video_frame, 0);
EXPECT_EQ(2, renderer.num_rendered_frames());
EXPECT_EQ(kFrameOffsetMs * rtc::kNumNanosecsPerMillisec,
renderer.last_frame_elapsed_time_ns());
// Verify that NTP time has been correctly deduced.
cricket::VideoMediaInfo info;
ASSERT_TRUE(channel_->GetStats(&info));
ASSERT_EQ(1u, info.receivers.size());
EXPECT_EQ(kInitialNtpTimeMs, info.receivers[0].capture_start_ntp_time_ms);
}
TEST_F(WebRtcVideoChannel2Test, SetDefaultSendCodecs) {
ASSERT_TRUE(channel_->SetSendCodecs(engine_.codecs()));
VideoCodec codec;
EXPECT_TRUE(channel_->GetSendCodec(&codec));
EXPECT_TRUE(codec.Matches(engine_.codecs()[0]));
// Using a RTX setup to verify that the default RTX payload type is good.
const std::vector<uint32> ssrcs = MAKE_VECTOR(kSsrcs1);
const std::vector<uint32> rtx_ssrcs = MAKE_VECTOR(kRtxSsrcs1);
FakeVideoSendStream* stream = AddSendStream(
cricket::CreateSimWithRtxStreamParams("cname", ssrcs, rtx_ssrcs));
webrtc::VideoSendStream::Config config = stream->GetConfig();
// Make sure NACK and FEC are enabled on the correct payload types.
EXPECT_EQ(1000, config.rtp.nack.rtp_history_ms);
EXPECT_EQ(default_ulpfec_codec_.id, config.rtp.fec.ulpfec_payload_type);
EXPECT_EQ(default_red_codec_.id, config.rtp.fec.red_payload_type);
EXPECT_EQ(1u, config.rtp.rtx.ssrcs.size());
EXPECT_EQ(kRtxSsrcs1[0], config.rtp.rtx.ssrcs[0]);
EXPECT_EQ(default_rtx_codec_.id, config.rtp.rtx.payload_type);
// TODO(juberti): Check RTCP, PLI, TMMBR.
}
TEST_F(WebRtcVideoChannel2Test, SetSendCodecsWithoutFec) {
std::vector<VideoCodec> codecs;
codecs.push_back(kVp8Codec);
ASSERT_TRUE(channel_->SetSendCodecs(codecs));
FakeVideoSendStream* stream = AddSendStream();
webrtc::VideoSendStream::Config config = stream->GetConfig();
EXPECT_EQ(-1, config.rtp.fec.ulpfec_payload_type);
EXPECT_EQ(-1, config.rtp.fec.red_payload_type);
}
TEST_F(WebRtcVideoChannel2Test,
SetSendCodecRejectsRtxWithoutAssociatedPayloadType) {
std::vector<VideoCodec> codecs;
cricket::VideoCodec rtx_codec(96, "rtx", 0, 0, 0, 0);
codecs.push_back(rtx_codec);
EXPECT_FALSE(channel_->SetSendCodecs(codecs))
<< "RTX codec without associated payload type should be rejected.";
}
TEST_F(WebRtcVideoChannel2Test,
SetSendCodecRejectsRtxWithoutMatchingVideoCodec) {
std::vector<VideoCodec> codecs;
cricket::VideoCodec rtx_codec =
cricket::VideoCodec::CreateRtxCodec(96, kVp8Codec.id);
codecs.push_back(kVp8Codec);
codecs.push_back(rtx_codec);
ASSERT_TRUE(channel_->SetSendCodecs(codecs));
cricket::VideoCodec rtx_codec2 =
cricket::VideoCodec::CreateRtxCodec(96, kVp8Codec.id + 1);
codecs.pop_back();
codecs.push_back(rtx_codec2);
EXPECT_FALSE(channel_->SetSendCodecs(codecs))
<< "RTX without matching video codec should be rejected.";
}
TEST_F(WebRtcVideoChannel2Test, SetSendCodecsWithoutFecDisablesFec) {
std::vector<VideoCodec> codecs;
codecs.push_back(kVp8Codec);
codecs.push_back(kUlpfecCodec);
ASSERT_TRUE(channel_->SetSendCodecs(codecs));
FakeVideoSendStream* stream = AddSendStream();
webrtc::VideoSendStream::Config config = stream->GetConfig();
EXPECT_EQ(kUlpfecCodec.id, config.rtp.fec.ulpfec_payload_type);
codecs.pop_back();
ASSERT_TRUE(channel_->SetSendCodecs(codecs));
stream = fake_call_->GetVideoSendStreams()[0];
ASSERT_TRUE(stream != NULL);
config = stream->GetConfig();
EXPECT_EQ(-1, config.rtp.fec.ulpfec_payload_type)
<< "SetSendCodec without FEC should disable current FEC.";
}
TEST_F(WebRtcVideoChannel2Test, SetSendCodecsChangesExistingStreams) {
std::vector<VideoCodec> codecs;
codecs.push_back(kVp8Codec720p);
ASSERT_TRUE(channel_->SetSendCodecs(codecs));
channel_->SetSend(true);
FakeVideoSendStream* stream = AddSendStream();
cricket::FakeVideoCapturer capturer;
EXPECT_TRUE(channel_->SetCapturer(last_ssrc_, &capturer));
EXPECT_EQ(cricket::CS_RUNNING,
capturer.Start(capturer.GetSupportedFormats()->front()));
EXPECT_TRUE(capturer.CaptureFrame());
std::vector<webrtc::VideoStream> streams = stream->GetVideoStreams();
EXPECT_EQ(kVp8Codec720p.width, streams[0].width);
EXPECT_EQ(kVp8Codec720p.height, streams[0].height);
codecs.clear();
codecs.push_back(kVp8Codec360p);
ASSERT_TRUE(channel_->SetSendCodecs(codecs));
streams = fake_call_->GetVideoSendStreams()[0]->GetVideoStreams();
EXPECT_EQ(kVp8Codec360p.width, streams[0].width);
EXPECT_EQ(kVp8Codec360p.height, streams[0].height);
EXPECT_TRUE(channel_->SetCapturer(last_ssrc_, NULL));
}
TEST_F(WebRtcVideoChannel2Test, SetSendCodecsWithBitrates) {
SetSendCodecsShouldWorkForBitrates("100", 100000, "150", 150000, "200",
200000);
}
TEST_F(WebRtcVideoChannel2Test, SetSendCodecsWithHighMaxBitrate) {
SetSendCodecsShouldWorkForBitrates("", 0, "", -1, "10000", 10000000);
std::vector<webrtc::VideoStream> streams = AddSendStream()->GetVideoStreams();
ASSERT_EQ(1u, streams.size());
EXPECT_EQ(10000000, streams[0].max_bitrate_bps);
}
TEST_F(WebRtcVideoChannel2Test,
SetSendCodecsWithoutBitratesUsesCorrectDefaults) {
SetSendCodecsShouldWorkForBitrates(
"", 0, "", -1, "", -1);
}
TEST_F(WebRtcVideoChannel2Test, SetSendCodecsCapsMinAndStartBitrate) {
SetSendCodecsShouldWorkForBitrates("-1", 0, "-100", -1, "", -1);
}
TEST_F(WebRtcVideoChannel2Test, SetSendCodecsRejectsMaxLessThanMinBitrate) {
std::vector<VideoCodec> video_codecs = engine_.codecs();
video_codecs[0].params[kCodecParamMinBitrate] = "300";
video_codecs[0].params[kCodecParamMaxBitrate] = "200";
EXPECT_FALSE(channel_->SetSendCodecs(video_codecs));
}
TEST_F(WebRtcVideoChannel2Test,
SetMaxSendBandwidthShouldPreserveOtherBitrates) {
SetSendCodecsShouldWorkForBitrates("100", 100000, "150", 150000, "200",
200000);
channel_->SetMaxSendBandwidth(300000);
EXPECT_EQ(100000, fake_call_->GetConfig().bitrate_config.min_bitrate_bps)
<< "Setting max bitrate should keep previous min bitrate.";
EXPECT_EQ(-1, fake_call_->GetConfig().bitrate_config.start_bitrate_bps)
<< "Setting max bitrate should not reset start bitrate.";
EXPECT_EQ(300000, fake_call_->GetConfig().bitrate_config.max_bitrate_bps);
}
TEST_F(WebRtcVideoChannel2Test, SetMaxSendBandwidthShouldBeRemovable) {
channel_->SetMaxSendBandwidth(300000);
EXPECT_EQ(300000, fake_call_->GetConfig().bitrate_config.max_bitrate_bps);
// <= 0 means disable (infinite) max bitrate.
channel_->SetMaxSendBandwidth(0);
EXPECT_EQ(-1, fake_call_->GetConfig().bitrate_config.max_bitrate_bps)
<< "Setting zero max bitrate did not reset start bitrate.";
}
TEST_F(WebRtcVideoChannel2Test, SetMaxSendBitrateCanIncreaseSenderBitrate) {
std::vector<VideoCodec> codecs;
codecs.push_back(kVp8Codec720p);
ASSERT_TRUE(channel_->SetSendCodecs(codecs));
channel_->SetSend(true);
FakeVideoSendStream* stream = AddSendStream();
std::vector<webrtc::VideoStream> streams = stream->GetVideoStreams();
int initial_max_bitrate_bps = streams[0].max_bitrate_bps;
EXPECT_GT(initial_max_bitrate_bps, 0);
EXPECT_TRUE(channel_->SetMaxSendBandwidth(initial_max_bitrate_bps * 2));
streams = stream->GetVideoStreams();
EXPECT_EQ(initial_max_bitrate_bps * 2, streams[0].max_bitrate_bps);
}
TEST_F(WebRtcVideoChannel2Test,
SetMaxSendBitrateCanIncreaseSimulcastSenderBitrate) {
std::vector<VideoCodec> codecs;
codecs.push_back(kVp8Codec720p);
ASSERT_TRUE(channel_->SetSendCodecs(codecs));
channel_->SetSend(true);
FakeVideoSendStream* stream = AddSendStream(
cricket::CreateSimStreamParams("cname", MAKE_VECTOR(kSsrcs3)));
// Send a frame to make sure this scales up to >1 stream (simulcast).
cricket::FakeVideoCapturer capturer;
EXPECT_TRUE(channel_->SetCapturer(kSsrcs3[0], &capturer));
EXPECT_EQ(cricket::CS_RUNNING,
capturer.Start(capturer.GetSupportedFormats()->front()));
EXPECT_TRUE(capturer.CaptureFrame());
std::vector<webrtc::VideoStream> streams = stream->GetVideoStreams();
ASSERT_GT(streams.size(), 1u)
<< "Without simulcast this test doesn't make sense.";
int initial_max_bitrate_bps = 0;
for (auto& video_stream : streams)
initial_max_bitrate_bps += video_stream.max_bitrate_bps;
EXPECT_GT(initial_max_bitrate_bps, 0);
EXPECT_TRUE(channel_->SetMaxSendBandwidth(initial_max_bitrate_bps * 2));
streams = stream->GetVideoStreams();
int increased_max_bitrate_bps = 0;
for (auto& video_stream : streams)
increased_max_bitrate_bps += video_stream.max_bitrate_bps;
EXPECT_EQ(initial_max_bitrate_bps * 2, increased_max_bitrate_bps);
EXPECT_TRUE(channel_->SetCapturer(kSsrcs3[0], nullptr));
}
TEST_F(WebRtcVideoChannel2Test, SetSendCodecsWithMaxQuantization) {
static const char* kMaxQuantization = "21";
std::vector<VideoCodec> codecs;
codecs.push_back(kVp8Codec);
codecs[0].params[kCodecParamMaxQuantization] = kMaxQuantization;
EXPECT_TRUE(channel_->SetSendCodecs(codecs));
EXPECT_EQ(static_cast<unsigned int>(atoi(kMaxQuantization)),
AddSendStream()->GetVideoStreams().back().max_qp);
VideoCodec codec;
EXPECT_TRUE(channel_->GetSendCodec(&codec));
EXPECT_EQ(kMaxQuantization, codec.params[kCodecParamMaxQuantization]);
}
TEST_F(WebRtcVideoChannel2Test, SetSendCodecsRejectBadDimensions) {
std::vector<cricket::VideoCodec> codecs;
codecs.push_back(kVp8Codec);
codecs[0].width = 0;
EXPECT_FALSE(channel_->SetSendCodecs(codecs))
<< "Codec set though codec width is zero.";
codecs[0].width = kVp8Codec.width;
codecs[0].height = 0;
EXPECT_FALSE(channel_->SetSendCodecs(codecs))
<< "Codec set though codec height is zero.";
}
TEST_F(WebRtcVideoChannel2Test, SetSendCodecsRejectBadPayloadTypes) {
// TODO(pbos): Should we only allow the dynamic range?
static const int kIncorrectPayloads[] = {-2, -1, 128, 129};
std::vector<cricket::VideoCodec> codecs;
codecs.push_back(kVp8Codec);
for (size_t i = 0; i < arraysize(kIncorrectPayloads); ++i) {
codecs[0].id = kIncorrectPayloads[i];
EXPECT_FALSE(channel_->SetSendCodecs(codecs))
<< "Bad payload type '" << kIncorrectPayloads[i] << "' accepted.";
}
}
TEST_F(WebRtcVideoChannel2Test, SetSendCodecsAcceptAllValidPayloadTypes) {
std::vector<cricket::VideoCodec> codecs;
codecs.push_back(kVp8Codec);
for (int payload_type = 0; payload_type <= 127; ++payload_type) {
codecs[0].id = payload_type;
EXPECT_TRUE(channel_->SetSendCodecs(codecs))
<< "Payload type '" << payload_type << "' rejected.";
}
}
TEST_F(WebRtcVideoChannel2Test, SetRecvCodecsWithOnlyVp8) {
std::vector<cricket::VideoCodec> codecs;
codecs.push_back(kVp8Codec);
EXPECT_TRUE(channel_->SetRecvCodecs(codecs));
}
// Test that we set our inbound RTX codecs properly.
TEST_F(WebRtcVideoChannel2Test, SetRecvCodecsWithRtx) {
std::vector<cricket::VideoCodec> codecs;
codecs.push_back(kVp8Codec);
cricket::VideoCodec rtx_codec(96, "rtx", 0, 0, 0, 0);
codecs.push_back(rtx_codec);
EXPECT_FALSE(channel_->SetRecvCodecs(codecs))
<< "RTX codec without associated payload should be rejected.";
codecs[1].SetParam("apt", kVp8Codec.id + 1);
EXPECT_FALSE(channel_->SetRecvCodecs(codecs))
<< "RTX codec with invalid associated payload type should be rejected.";
codecs[1].SetParam("apt", kVp8Codec.id);
EXPECT_TRUE(channel_->SetRecvCodecs(codecs));
cricket::VideoCodec rtx_codec2(97, "rtx", 0, 0, 0, 0);
rtx_codec2.SetParam("apt", rtx_codec.id);
codecs.push_back(rtx_codec2);
EXPECT_FALSE(channel_->SetRecvCodecs(codecs)) << "RTX codec with another RTX "
"as associated payload type "
"should be rejected.";
}
TEST_F(WebRtcVideoChannel2Test, SetRecvCodecsDifferentPayloadType) {
std::vector<cricket::VideoCodec> codecs;
codecs.push_back(kVp8Codec);
codecs[0].id = 99;
EXPECT_TRUE(channel_->SetRecvCodecs(codecs));
}
TEST_F(WebRtcVideoChannel2Test, SetRecvCodecsAcceptDefaultCodecs) {
EXPECT_TRUE(channel_->SetRecvCodecs(engine_.codecs()));
FakeVideoReceiveStream* stream = AddRecvStream();
webrtc::VideoReceiveStream::Config config = stream->GetConfig();
EXPECT_EQ(engine_.codecs()[0].name, config.decoders[0].payload_name);
EXPECT_EQ(engine_.codecs()[0].id, config.decoders[0].payload_type);
}
TEST_F(WebRtcVideoChannel2Test, SetRecvCodecsRejectUnsupportedCodec) {
std::vector<VideoCodec> codecs;
codecs.push_back(kVp8Codec);
codecs.push_back(VideoCodec(101, "WTF3", 640, 400, 30, 0));
EXPECT_FALSE(channel_->SetRecvCodecs(codecs));
}
// TODO(pbos): Enable VP9 through external codec support
TEST_F(WebRtcVideoChannel2Test,
DISABLED_SetRecvCodecsAcceptsMultipleVideoCodecs) {
std::vector<VideoCodec> codecs;
codecs.push_back(kVp8Codec);
codecs.push_back(kVp9Codec);
EXPECT_TRUE(channel_->SetRecvCodecs(codecs));
}
TEST_F(WebRtcVideoChannel2Test,
DISABLED_SetRecvCodecsSetsFecForAllVideoCodecs) {
std::vector<VideoCodec> codecs;
codecs.push_back(kVp8Codec);
codecs.push_back(kVp9Codec);
EXPECT_TRUE(channel_->SetRecvCodecs(codecs));
FAIL(); // TODO(pbos): Verify that the FEC parameters are set for all codecs.
}
TEST_F(WebRtcVideoChannel2Test, SetRecvCodecsWithoutFecDisablesFec) {
std::vector<VideoCodec> codecs;
codecs.push_back(kVp8Codec);
codecs.push_back(kUlpfecCodec);
ASSERT_TRUE(channel_->SetSendCodecs(codecs));
FakeVideoReceiveStream* stream = AddRecvStream();
webrtc::VideoReceiveStream::Config config = stream->GetConfig();
EXPECT_EQ(kUlpfecCodec.id, config.rtp.fec.ulpfec_payload_type);
codecs.pop_back();
ASSERT_TRUE(channel_->SetRecvCodecs(codecs));
stream = fake_call_->GetVideoReceiveStreams()[0];
ASSERT_TRUE(stream != NULL);
config = stream->GetConfig();
EXPECT_EQ(-1, config.rtp.fec.ulpfec_payload_type)
<< "SetSendCodec without FEC should disable current FEC.";
}
TEST_F(WebRtcVideoChannel2Test, SetSendCodecsRejectDuplicateFecPayloads) {
std::vector<VideoCodec> codecs;
codecs.push_back(kVp8Codec);
codecs.push_back(kRedCodec);
codecs[1].id = codecs[0].id;
EXPECT_FALSE(channel_->SetRecvCodecs(codecs));
}
TEST_F(WebRtcVideoChannel2Test, SetRecvCodecsRejectDuplicateCodecPayloads) {
std::vector<VideoCodec> codecs;
codecs.push_back(kVp8Codec);
codecs.push_back(kVp9Codec);
codecs[1].id = codecs[0].id;
EXPECT_FALSE(channel_->SetRecvCodecs(codecs));
}
TEST_F(WebRtcVideoChannel2Test,
SetRecvCodecsAcceptSameCodecOnMultiplePayloadTypes) {
std::vector<VideoCodec> codecs;
codecs.push_back(kVp8Codec);
codecs.push_back(kVp8Codec);
codecs[1].id += 1;
EXPECT_TRUE(channel_->SetRecvCodecs(codecs));
}
TEST_F(WebRtcVideoChannel2Test, SendStreamNotSendingByDefault) {
EXPECT_FALSE(AddSendStream()->IsSending());
}
TEST_F(WebRtcVideoChannel2Test, ReceiveStreamReceivingByDefault) {
EXPECT_TRUE(AddRecvStream()->IsReceiving());
}
TEST_F(WebRtcVideoChannel2Test, SetSend) {
FakeVideoSendStream* stream = AddSendStream();
EXPECT_FALSE(stream->IsSending());
// false->true
EXPECT_TRUE(channel_->SetSend(true));
EXPECT_TRUE(stream->IsSending());
// true->true
EXPECT_TRUE(channel_->SetSend(true));
EXPECT_TRUE(stream->IsSending());
// true->false
EXPECT_TRUE(channel_->SetSend(false));
EXPECT_FALSE(stream->IsSending());
// false->false
EXPECT_TRUE(channel_->SetSend(false));
EXPECT_FALSE(stream->IsSending());
EXPECT_TRUE(channel_->SetSend(true));
FakeVideoSendStream* new_stream = AddSendStream();
EXPECT_TRUE(new_stream->IsSending())
<< "Send stream created after SetSend(true) not sending initially.";
}
// This test verifies DSCP settings are properly applied on video media channel.
TEST_F(WebRtcVideoChannel2Test, TestSetDscpOptions) {
rtc::scoped_ptr<cricket::FakeNetworkInterface> network_interface(
new cricket::FakeNetworkInterface);
channel_->SetInterface(network_interface.get());
cricket::VideoOptions options;
options.dscp.Set(true);
EXPECT_TRUE(channel_->SetOptions(options));
EXPECT_EQ(rtc::DSCP_AF41, network_interface->dscp());
// Verify previous value is not modified if dscp option is not set.
cricket::VideoOptions options1;
EXPECT_TRUE(channel_->SetOptions(options1));
EXPECT_EQ(rtc::DSCP_AF41, network_interface->dscp());
options.dscp.Set(false);
EXPECT_TRUE(channel_->SetOptions(options));
EXPECT_EQ(rtc::DSCP_DEFAULT, network_interface->dscp());
channel_->SetInterface(NULL);
}
TEST_F(WebRtcVideoChannel2Test, OnReadyToSendSignalsNetworkState) {
EXPECT_EQ(webrtc::Call::kNetworkUp, fake_call_->GetNetworkState());
channel_->OnReadyToSend(false);
EXPECT_EQ(webrtc::Call::kNetworkDown, fake_call_->GetNetworkState());
channel_->OnReadyToSend(true);
EXPECT_EQ(webrtc::Call::kNetworkUp, fake_call_->GetNetworkState());
}
TEST_F(WebRtcVideoChannel2Test, GetStatsReportsSentCodecName) {
std::vector<cricket::VideoCodec> codecs;
codecs.push_back(kVp8Codec);
EXPECT_TRUE(channel_->SetSendCodecs(codecs));
AddSendStream();
cricket::VideoMediaInfo info;
ASSERT_TRUE(channel_->GetStats(&info));
EXPECT_EQ(kVp8Codec.name, info.senders[0].codec_name);
}
TEST_F(WebRtcVideoChannel2Test, GetStatsReportsCpuOveruseMetrics) {
FakeVideoSendStream* stream = AddSendStream();
webrtc::VideoSendStream::Stats stats;
stats.avg_encode_time_ms = 13;
stats.encode_usage_percent = 42;
stream->SetStats(stats);
cricket::VideoMediaInfo info;
ASSERT_TRUE(channel_->GetStats(&info));
EXPECT_EQ(stats.avg_encode_time_ms, info.senders[0].avg_encode_ms);
EXPECT_EQ(stats.encode_usage_percent, info.senders[0].encode_usage_percent);
}
TEST_F(WebRtcVideoChannel2Test, GetStatsReportsUpperResolution) {
FakeVideoSendStream* stream = AddSendStream();
webrtc::VideoSendStream::Stats stats;
stats.substreams[17].width = 123;
stats.substreams[17].height = 40;
stats.substreams[42].width = 80;
stats.substreams[42].height = 31;
stats.substreams[11].width = 20;
stats.substreams[11].height = 90;
stream->SetStats(stats);
cricket::VideoMediaInfo info;
ASSERT_TRUE(channel_->GetStats(&info));
ASSERT_EQ(1u, info.senders.size());
EXPECT_EQ(123, info.senders[0].send_frame_width);
EXPECT_EQ(90, info.senders[0].send_frame_height);
}
TEST_F(WebRtcVideoChannel2Test, GetStatsTracksAdaptationStats) {
AddSendStream(cricket::CreateSimStreamParams("cname", MAKE_VECTOR(kSsrcs3)));
// Capture format VGA.
cricket::FakeVideoCapturer video_capturer_vga;
const std::vector<cricket::VideoFormat>* formats =
video_capturer_vga.GetSupportedFormats();
cricket::VideoFormat capture_format_vga = (*formats)[1];
EXPECT_EQ(cricket::CS_RUNNING, video_capturer_vga.Start(capture_format_vga));
EXPECT_TRUE(channel_->SetCapturer(kSsrcs3[0], &video_capturer_vga));
EXPECT_TRUE(video_capturer_vga.CaptureFrame());
cricket::VideoCodec send_codec(100, "VP8", 640, 480, 30, 0);
std::vector<cricket::VideoCodec> codecs;
codecs.push_back(send_codec);
EXPECT_TRUE(channel_->SetSendCodecs(codecs));
EXPECT_TRUE(channel_->SetSend(true));
// Verify that the CpuOveruseObserver is registered and trigger downgrade.
cricket::VideoOptions options;
options.cpu_overuse_detection.Set(true);
EXPECT_TRUE(channel_->SetOptions(options));
// Trigger overuse.
webrtc::LoadObserver* overuse_callback =
fake_call_->GetConfig().overuse_callback;
overuse_callback->OnLoadUpdate(webrtc::LoadObserver::kOveruse);
// Capture format VGA -> adapt (OnCpuResolutionRequest downgrade) -> VGA/2.
EXPECT_TRUE(video_capturer_vga.CaptureFrame());
cricket::VideoMediaInfo info;
EXPECT_TRUE(channel_->GetStats(&info));
ASSERT_EQ(1U, info.senders.size());
EXPECT_EQ(1, info.senders[0].adapt_changes);
EXPECT_EQ(CoordinatedVideoAdapter::ADAPTREASON_CPU,
info.senders[0].adapt_reason);
// Trigger upgrade and verify that we adapt back up to VGA.
overuse_callback->OnLoadUpdate(webrtc::LoadObserver::kUnderuse);
EXPECT_TRUE(video_capturer_vga.CaptureFrame());
info.Clear();
EXPECT_TRUE(channel_->GetStats(&info));
ASSERT_EQ(1U, info.senders.size());
EXPECT_EQ(2, info.senders[0].adapt_changes);
EXPECT_EQ(CoordinatedVideoAdapter::ADAPTREASON_NONE,
info.senders[0].adapt_reason);
// No capturer (no adapter). Adapt changes from old adapter should be kept.
EXPECT_TRUE(channel_->SetCapturer(kSsrcs3[0], NULL));
info.Clear();
EXPECT_TRUE(channel_->GetStats(&info));
ASSERT_EQ(1U, info.senders.size());
EXPECT_EQ(2, info.senders[0].adapt_changes);
EXPECT_EQ(CoordinatedVideoAdapter::ADAPTREASON_NONE,
info.senders[0].adapt_reason);
// Set new capturer, capture format HD.
cricket::FakeVideoCapturer video_capturer_hd;
cricket::VideoFormat capture_format_hd = (*formats)[0];
EXPECT_EQ(cricket::CS_RUNNING, video_capturer_hd.Start(capture_format_hd));
EXPECT_TRUE(channel_->SetCapturer(kSsrcs3[0], &video_capturer_hd));
EXPECT_TRUE(video_capturer_hd.CaptureFrame());
// Trigger overuse, HD -> adapt (OnCpuResolutionRequest downgrade) -> HD/2.
overuse_callback->OnLoadUpdate(webrtc::LoadObserver::kOveruse);
EXPECT_TRUE(video_capturer_hd.CaptureFrame());
info.Clear();
EXPECT_TRUE(channel_->GetStats(&info));
ASSERT_EQ(1U, info.senders.size());
EXPECT_EQ(3, info.senders[0].adapt_changes);
EXPECT_EQ(CoordinatedVideoAdapter::ADAPTREASON_CPU,
info.senders[0].adapt_reason);
EXPECT_TRUE(channel_->SetCapturer(kSsrcs3[0], NULL));
}
TEST_F(WebRtcVideoChannel2Test,
GetStatsTranslatesSendRtcpPacketTypesCorrectly) {
FakeVideoSendStream* stream = AddSendStream();
webrtc::VideoSendStream::Stats stats;
stats.substreams[17].rtcp_packet_type_counts.fir_packets = 2;
stats.substreams[17].rtcp_packet_type_counts.nack_packets = 3;
stats.substreams[17].rtcp_packet_type_counts.pli_packets = 4;
stats.substreams[42].rtcp_packet_type_counts.fir_packets = 5;
stats.substreams[42].rtcp_packet_type_counts.nack_packets = 7;
stats.substreams[42].rtcp_packet_type_counts.pli_packets = 9;
stream->SetStats(stats);
cricket::VideoMediaInfo info;
ASSERT_TRUE(channel_->GetStats(&info));
EXPECT_EQ(7, info.senders[0].firs_rcvd);
EXPECT_EQ(10, info.senders[0].nacks_rcvd);
EXPECT_EQ(13, info.senders[0].plis_rcvd);
}
TEST_F(WebRtcVideoChannel2Test,
GetStatsTranslatesReceiveRtcpPacketTypesCorrectly) {
FakeVideoReceiveStream* stream = AddRecvStream();
webrtc::VideoReceiveStream::Stats stats;
stats.rtcp_packet_type_counts.fir_packets = 2;
stats.rtcp_packet_type_counts.nack_packets = 3;
stats.rtcp_packet_type_counts.pli_packets = 4;
stream->SetStats(stats);
cricket::VideoMediaInfo info;
ASSERT_TRUE(channel_->GetStats(&info));
EXPECT_EQ(stats.rtcp_packet_type_counts.fir_packets,
info.receivers[0].firs_sent);
EXPECT_EQ(stats.rtcp_packet_type_counts.nack_packets,
info.receivers[0].nacks_sent);
EXPECT_EQ(stats.rtcp_packet_type_counts.pli_packets,
info.receivers[0].plis_sent);
}
TEST_F(WebRtcVideoChannel2Test, GetStatsTranslatesDecodeStatsCorrectly) {
FakeVideoReceiveStream* stream = AddRecvStream();
webrtc::VideoReceiveStream::Stats stats;
stats.decode_ms = 2;
stats.max_decode_ms = 3;
stats.current_delay_ms = 4;
stats.target_delay_ms = 5;
stats.jitter_buffer_ms = 6;
stats.min_playout_delay_ms = 7;
stats.render_delay_ms = 8;
stream->SetStats(stats);
cricket::VideoMediaInfo info;
ASSERT_TRUE(channel_->GetStats(&info));
EXPECT_EQ(stats.decode_ms, info.receivers[0].decode_ms);
EXPECT_EQ(stats.max_decode_ms, info.receivers[0].max_decode_ms);
EXPECT_EQ(stats.current_delay_ms, info.receivers[0].current_delay_ms);
EXPECT_EQ(stats.target_delay_ms, info.receivers[0].target_delay_ms);
EXPECT_EQ(stats.jitter_buffer_ms, info.receivers[0].jitter_buffer_ms);
EXPECT_EQ(stats.min_playout_delay_ms, info.receivers[0].min_playout_delay_ms);
EXPECT_EQ(stats.render_delay_ms, info.receivers[0].render_delay_ms);
}
TEST_F(WebRtcVideoChannel2Test, TranslatesCallStatsCorrectly) {
AddSendStream();
AddSendStream();
webrtc::Call::Stats stats;
stats.rtt_ms = 123;
fake_call_->SetStats(stats);
cricket::VideoMediaInfo info;
ASSERT_TRUE(channel_->GetStats(&info));
ASSERT_EQ(2u, info.senders.size());
EXPECT_EQ(stats.rtt_ms, info.senders[0].rtt_ms);
EXPECT_EQ(stats.rtt_ms, info.senders[1].rtt_ms);
}
TEST_F(WebRtcVideoChannel2Test, TranslatesSenderBitrateStatsCorrectly) {
FakeVideoSendStream* stream = AddSendStream();
webrtc::VideoSendStream::Stats stats;
stats.target_media_bitrate_bps = 156;
stats.media_bitrate_bps = 123;
stats.substreams[17].total_bitrate_bps = 1;
stats.substreams[17].retransmit_bitrate_bps = 2;
stats.substreams[42].total_bitrate_bps = 3;
stats.substreams[42].retransmit_bitrate_bps = 4;
stream->SetStats(stats);
FakeVideoSendStream* stream2 = AddSendStream();
webrtc::VideoSendStream::Stats stats2;
stats2.target_media_bitrate_bps = 200;
stats2.media_bitrate_bps = 321;
stats2.substreams[13].total_bitrate_bps = 5;
stats2.substreams[13].retransmit_bitrate_bps = 6;
stats2.substreams[21].total_bitrate_bps = 7;
stats2.substreams[21].retransmit_bitrate_bps = 8;
stream2->SetStats(stats2);
cricket::VideoMediaInfo info;
ASSERT_TRUE(channel_->GetStats(&info));
ASSERT_EQ(2u, info.senders.size());
// Assuming stream and stream2 corresponds to senders[0] and [1] respectively
// is OK as std::maps are sorted and AddSendStream() gives increasing SSRCs.
EXPECT_EQ(stats.media_bitrate_bps, info.senders[0].nominal_bitrate);
EXPECT_EQ(stats2.media_bitrate_bps, info.senders[1].nominal_bitrate);
EXPECT_EQ(stats.target_media_bitrate_bps + stats2.target_media_bitrate_bps,
info.bw_estimations[0].target_enc_bitrate);
EXPECT_EQ(stats.media_bitrate_bps + stats2.media_bitrate_bps,
info.bw_estimations[0].actual_enc_bitrate);
EXPECT_EQ(1 + 3 + 5 + 7, info.bw_estimations[0].transmit_bitrate)
<< "Bandwidth stats should take all streams into account.";
EXPECT_EQ(2 + 4 + 6 + 8, info.bw_estimations[0].retransmit_bitrate)
<< "Bandwidth stats should take all streams into account.";
}
TEST_F(WebRtcVideoChannel2Test, DefaultReceiveStreamReconfiguresToUseRtx) {
EXPECT_TRUE(channel_->SetSendCodecs(engine_.codecs()));
const std::vector<uint32> ssrcs = MAKE_VECTOR(kSsrcs1);
const std::vector<uint32> rtx_ssrcs = MAKE_VECTOR(kRtxSsrcs1);
ASSERT_EQ(0u, fake_call_->GetVideoReceiveStreams().size());
const size_t kDataLength = 12;
uint8_t data[kDataLength];
memset(data, 0, sizeof(data));
rtc::SetBE32(&data[8], ssrcs[0]);
rtc::Buffer packet(data, kDataLength);
rtc::PacketTime packet_time;
channel_->OnPacketReceived(&packet, packet_time);
ASSERT_EQ(1u, fake_call_->GetVideoReceiveStreams().size())
<< "No default receive stream created.";
FakeVideoReceiveStream* recv_stream = fake_call_->GetVideoReceiveStreams()[0];
EXPECT_EQ(0u, recv_stream->GetConfig().rtp.rtx.size())
<< "Default receive stream should not have configured RTX";
EXPECT_TRUE(channel_->AddRecvStream(
cricket::CreateSimWithRtxS