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/*
* libjingle
* Copyright 2014 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.
*/
#ifndef TALK_MEDIA_BASE_VIDEOENGINE_UNITTEST_H_ // NOLINT
#define TALK_MEDIA_BASE_VIDEOENGINE_UNITTEST_H_
#include <string>
#include <vector>
#include "talk/media/base/fakenetworkinterface.h"
#include "talk/media/base/fakevideocapturer.h"
#include "talk/media/base/fakevideorenderer.h"
#include "talk/media/base/mediachannel.h"
#include "talk/media/base/streamparams.h"
#include "webrtc/base/bytebuffer.h"
#include "webrtc/base/gunit.h"
#include "webrtc/base/timeutils.h"
#ifdef WIN32
#include <objbase.h> // NOLINT
#endif
#define EXPECT_FRAME_WAIT(c, w, h, t) \
EXPECT_EQ_WAIT((c), renderer_.num_rendered_frames(), (t)); \
EXPECT_EQ((w), renderer_.width()); \
EXPECT_EQ((h), renderer_.height()); \
EXPECT_EQ(0, renderer_.errors()); \
#define EXPECT_FRAME_ON_RENDERER_WAIT(r, c, w, h, t) \
EXPECT_EQ_WAIT((c), (r).num_rendered_frames(), (t)); \
EXPECT_EQ((w), (r).width()); \
EXPECT_EQ((h), (r).height()); \
EXPECT_EQ(0, (r).errors()); \
#define EXPECT_GT_FRAME_ON_RENDERER_WAIT(r, c, w, h, t) \
EXPECT_TRUE_WAIT((r).num_rendered_frames() >= (c) && \
(w) == (r).width() && \
(h) == (r).height(), (t)); \
EXPECT_EQ(0, (r).errors()); \
static const uint32 kTimeout = 5000U;
static const uint32 kDefaultReceiveSsrc = 0;
static const uint32 kSsrc = 1234u;
static const uint32 kRtxSsrc = 4321u;
static const uint32 kSsrcs4[] = {1, 2, 3, 4};
inline bool IsEqualRes(const cricket::VideoCodec& a, int w, int h, int fps) {
return a.width == w && a.height == h && a.framerate == fps;
}
inline bool IsEqualCodec(const cricket::VideoCodec& a,
const cricket::VideoCodec& b) {
return a.id == b.id && a.name == b.name &&
IsEqualRes(a, b.width, b.height, b.framerate);
}
namespace std {
inline std::ostream& operator<<(std::ostream& s, const cricket::VideoCodec& c) {
s << "{" << c.name << "(" << c.id << "), "
<< c.width << "x" << c.height << "x" << c.framerate << "}";
return s;
}
} // namespace std
inline int TimeBetweenSend(const cricket::VideoCodec& codec) {
return static_cast<int>(
cricket::VideoFormat::FpsToInterval(codec.framerate) /
rtc::kNumNanosecsPerMillisec);
}
// Fake video engine that makes it possible to test enabling and disabling
// capturer (checking that the engine state is updated and that the capturer
// is indeed capturing) without having to create a channel. It also makes it
// possible to test that the media processors are indeed being called when
// registered.
template<class T>
class VideoEngineOverride : public T {
public:
VideoEngineOverride() : T(nullptr) {
}
virtual ~VideoEngineOverride() {
}
bool is_camera_on() const { return T::GetVideoCapturer()->IsRunning(); }
void set_has_senders(bool has_senders) {
cricket::VideoCapturer* video_capturer = T::GetVideoCapturer();
if (has_senders) {
video_capturer->SignalVideoFrame.connect(this,
&VideoEngineOverride<T>::OnLocalFrame);
} else {
video_capturer->SignalVideoFrame.disconnect(this);
}
}
void OnLocalFrame(cricket::VideoCapturer*,
const cricket::VideoFrame*) {
}
void OnLocalFrameFormat(cricket::VideoCapturer*,
const cricket::VideoFormat*) {
}
void TriggerMediaFrame(
uint32 ssrc, cricket::VideoFrame* frame, bool* drop_frame) {
T::SignalMediaFrame(ssrc, frame, drop_frame);
}
};
// Macroes that declare test functions for a given test class, before and after
// Init().
// To use, define a test function called FooBody and pass Foo to the macro.
#define TEST_PRE_VIDEOENGINE_INIT(TestClass, func) \
TEST_F(TestClass, func##PreInit) { \
func##Body(); \
}
#define TEST_POST_VIDEOENGINE_INIT(TestClass, func) \
TEST_F(TestClass, func##PostInit) { \
EXPECT_TRUE(engine_.Init(rtc::Thread::Current())); \
func##Body(); \
engine_.Terminate(); \
}
template<class E>
class VideoEngineTest : public testing::Test {
protected:
// Tests starting and stopping the engine, and creating a channel.
void StartupShutdown() {
EXPECT_TRUE(engine_.Init(rtc::Thread::Current()));
cricket::VideoMediaChannel* channel = engine_.CreateChannel(NULL);
EXPECT_TRUE(channel != NULL);
delete channel;
engine_.Terminate();
}
#ifdef WIN32
// Tests that the COM reference count is not munged by the engine.
// Test to make sure LMI does not munge the CoInitialize reference count.
void CheckCoInitialize() {
// Initial refcount should be 0.
EXPECT_EQ(S_OK, CoInitializeEx(NULL, COINIT_MULTITHREADED));
// Engine should start even with COM already inited.
EXPECT_TRUE(engine_.Init(rtc::Thread::Current()));
engine_.Terminate();
// Refcount after terminate should be 1; this tests if it is nonzero.
EXPECT_EQ(S_FALSE, CoInitializeEx(NULL, COINIT_MULTITHREADED));
// Decrement refcount to (hopefully) 0.
CoUninitialize();
CoUninitialize();
// Ensure refcount is 0.
EXPECT_EQ(S_OK, CoInitializeEx(NULL, COINIT_MULTITHREADED));
CoUninitialize();
}
#endif
void ConstrainNewCodecBody() {
cricket::VideoCodec empty, in, out;
cricket::VideoCodec max_settings(engine_.codecs()[0].id,
engine_.codecs()[0].name,
1280, 800, 30, 0);
// set max settings of 1280x800x30
EXPECT_TRUE(engine_.SetDefaultEncoderConfig(
cricket::VideoEncoderConfig(max_settings)));
// don't constrain the max resolution
in = max_settings;
EXPECT_TRUE(engine_.CanSendCodec(in, empty, &out));
EXPECT_PRED2(IsEqualCodec, out, in);
// constrain resolution greater than the max and wider aspect,
// picking best aspect (16:10)
in.width = 1380;
in.height = 800;
EXPECT_TRUE(engine_.CanSendCodec(in, empty, &out));
EXPECT_PRED4(IsEqualRes, out, 1280, 720, 30);
// constrain resolution greater than the max and narrow aspect,
// picking best aspect (16:9)
in.width = 1280;
in.height = 740;
EXPECT_TRUE(engine_.CanSendCodec(in, empty, &out));
EXPECT_PRED4(IsEqualRes, out, 1280, 720, 30);
// constrain resolution greater than the max, picking equal aspect (4:3)
in.width = 1280;
in.height = 960;
EXPECT_TRUE(engine_.CanSendCodec(in, empty, &out));
EXPECT_PRED4(IsEqualRes, out, 1280, 800, 30);
// constrain resolution greater than the max, picking equal aspect (16:10)
in.width = 1280;
in.height = 800;
EXPECT_TRUE(engine_.CanSendCodec(in, empty, &out));
EXPECT_PRED4(IsEqualRes, out, 1280, 800, 30);
// reduce max settings to 640x480x30
max_settings.width = 640;
max_settings.height = 480;
EXPECT_TRUE(engine_.SetDefaultEncoderConfig(
cricket::VideoEncoderConfig(max_settings)));
// don't constrain the max resolution
in = max_settings;
in.width = 640;
in.height = 480;
EXPECT_TRUE(engine_.CanSendCodec(in, empty, &out));
EXPECT_PRED2(IsEqualCodec, out, in);
// keep 16:10 if they request it
in.height = 400;
EXPECT_TRUE(engine_.CanSendCodec(in, empty, &out));
EXPECT_PRED2(IsEqualCodec, out, in);
// don't constrain lesser 4:3 resolutions
in.width = 320;
in.height = 240;
EXPECT_TRUE(engine_.CanSendCodec(in, empty, &out));
EXPECT_PRED2(IsEqualCodec, out, in);
// don't constrain lesser 16:10 resolutions
in.width = 320;
in.height = 200;
EXPECT_TRUE(engine_.CanSendCodec(in, empty, &out));
EXPECT_PRED2(IsEqualCodec, out, in);
// requested resolution of 0x0 succeeds
in.width = 0;
in.height = 0;
EXPECT_TRUE(engine_.CanSendCodec(in, empty, &out));
EXPECT_PRED2(IsEqualCodec, out, in);
// constrain resolution lesser than the max and wider aspect,
// picking best aspect (16:9)
in.width = 350;
in.height = 201;
EXPECT_TRUE(engine_.CanSendCodec(in, empty, &out));
EXPECT_PRED4(IsEqualRes, out, 320, 180, 30);
// constrain resolution greater than the max and narrow aspect,
// picking best aspect (4:3)
in.width = 350;
in.height = 300;
EXPECT_TRUE(engine_.CanSendCodec(in, empty, &out));
EXPECT_PRED4(IsEqualRes, out, 320, 240, 30);
// constrain resolution greater than the max and wider aspect,
// picking best aspect (16:9)
in.width = 1380;
in.height = 800;
EXPECT_TRUE(engine_.CanSendCodec(in, empty, &out));
EXPECT_PRED4(IsEqualRes, out, 640, 360, 30);
// constrain resolution greater than the max and narrow aspect,
// picking best aspect (4:3)
in.width = 1280;
in.height = 900;
EXPECT_TRUE(engine_.CanSendCodec(in, empty, &out));
EXPECT_PRED4(IsEqualRes, out, 640, 480, 30);
// constrain resolution greater than the max, picking equal aspect (4:3)
in.width = 1280;
in.height = 960;
EXPECT_TRUE(engine_.CanSendCodec(in, empty, &out));
EXPECT_PRED4(IsEqualRes, out, 640, 480, 30);
// constrain resolution greater than the max, picking equal aspect (16:10)
in.width = 1280;
in.height = 800;
EXPECT_TRUE(engine_.CanSendCodec(in, empty, &out));
EXPECT_PRED4(IsEqualRes, out, 640, 400, 30);
// constrain res & fps greater than the max
in.framerate = 50;
EXPECT_TRUE(engine_.CanSendCodec(in, empty, &out));
EXPECT_PRED4(IsEqualRes, out, 640, 400, 30);
// reduce max settings to 160x100x10
max_settings.width = 160;
max_settings.height = 100;
max_settings.framerate = 10;
EXPECT_TRUE(engine_.SetDefaultEncoderConfig(
cricket::VideoEncoderConfig(max_settings)));
// constrain res & fps to new max
EXPECT_TRUE(engine_.CanSendCodec(in, empty, &out));
EXPECT_PRED4(IsEqualRes, out, 160, 100, 10);
// allow 4:3 "comparable" resolutions
in.width = 160;
in.height = 120;
in.framerate = 10;
EXPECT_TRUE(engine_.CanSendCodec(in, empty, &out));
EXPECT_PRED4(IsEqualRes, out, 160, 120, 10);
}
// This is the new way of constraining codec size, where we no longer maintain
// a list of the supported formats. Instead, CanSendCodec will just downscale
// the resolution by 2 until the width is below clamp.
void ConstrainNewCodec2Body() {
cricket::VideoCodec empty, in, out;
cricket::VideoCodec max_settings(engine_.codecs()[0].id,
engine_.codecs()[0].name,
1280, 800, 30, 0);
// Set max settings of 1280x800x30
EXPECT_TRUE(engine_.SetDefaultEncoderConfig(
cricket::VideoEncoderConfig(max_settings)));
// Don't constrain the max resolution
in = max_settings;
EXPECT_TRUE(engine_.CanSendCodec(in, empty, &out));
EXPECT_PRED2(IsEqualCodec, out, in);
// Constrain resolution greater than the max width.
in.width = 1380;
in.height = 800;
EXPECT_TRUE(engine_.CanSendCodec(in, empty, &out));
EXPECT_PRED4(IsEqualRes, out, 690, 400, 30);
// Don't constrain resolution when only the height is greater than max.
in.width = 960;
in.height = 1280;
EXPECT_TRUE(engine_.CanSendCodec(in, empty, &out));
EXPECT_PRED4(IsEqualRes, out, 960, 1280, 30);
// Don't constrain smaller format.
in.width = 640;
in.height = 480;
EXPECT_TRUE(engine_.CanSendCodec(in, empty, &out));
EXPECT_PRED4(IsEqualRes, out, 640, 480, 30);
}
void ConstrainRunningCodecBody() {
cricket::VideoCodec in, out, current;
cricket::VideoCodec max_settings(engine_.codecs()[0].id,
engine_.codecs()[0].name,
1280, 800, 30, 0);
// set max settings of 1280x960x30
EXPECT_TRUE(engine_.SetDefaultEncoderConfig(
cricket::VideoEncoderConfig(max_settings)));
// establish current call at 1280x800x30 (16:10)
current = max_settings;
current.height = 800;
// Don't constrain current resolution
in = current;
EXPECT_TRUE(engine_.CanSendCodec(in, current, &out));
EXPECT_PRED2(IsEqualCodec, out, in);
// requested resolution of 0x0 succeeds
in.width = 0;
in.height = 0;
EXPECT_TRUE(engine_.CanSendCodec(in, current, &out));
EXPECT_PRED2(IsEqualCodec, out, in);
// Reduce an intermediate resolution down to the next lowest one, preserving
// aspect ratio.
in.width = 800;
in.height = 600;
EXPECT_TRUE(engine_.CanSendCodec(in, current, &out));
EXPECT_PRED4(IsEqualRes, out, 640, 400, 30);
// Clamping by aspect ratio, but still never return a dimension higher than
// requested.
in.width = 1280;
in.height = 720;
EXPECT_TRUE(engine_.CanSendCodec(in, current, &out));
EXPECT_PRED4(IsEqualRes, out, 1280, 720, 30);
in.width = 1279;
EXPECT_TRUE(engine_.CanSendCodec(in, current, &out));
EXPECT_PRED4(IsEqualRes, out, 960, 600, 30);
in.width = 1281;
EXPECT_TRUE(engine_.CanSendCodec(in, current, &out));
EXPECT_PRED4(IsEqualRes, out, 1280, 720, 30);
// Clamp large resolutions down, always preserving aspect
in.width = 1920;
in.height = 1080;
EXPECT_TRUE(engine_.CanSendCodec(in, current, &out));
EXPECT_PRED4(IsEqualRes, out, 1280, 800, 30);
in.width = 1921;
EXPECT_TRUE(engine_.CanSendCodec(in, current, &out));
EXPECT_PRED4(IsEqualRes, out, 1280, 800, 30);
in.width = 1919;
EXPECT_TRUE(engine_.CanSendCodec(in, current, &out));
EXPECT_PRED4(IsEqualRes, out, 1280, 800, 30);
// reduce max settings to 640x480x30
max_settings.width = 640;
max_settings.height = 480;
EXPECT_TRUE(engine_.SetDefaultEncoderConfig(
cricket::VideoEncoderConfig(max_settings)));
// establish current call at 640x400x30 (16:10)
current = max_settings;
current.height = 400;
// Don't constrain current resolution
in = current;
EXPECT_TRUE(engine_.CanSendCodec(in, current, &out));
EXPECT_PRED2(IsEqualCodec, out, in);
// requested resolution of 0x0 succeeds
in.width = 0;
in.height = 0;
EXPECT_TRUE(engine_.CanSendCodec(in, current, &out));
EXPECT_PRED2(IsEqualCodec, out, in);
// Reduce an intermediate resolution down to the next lowest one, preserving
// aspect ratio.
in.width = 400;
in.height = 300;
EXPECT_TRUE(engine_.CanSendCodec(in, current, &out));
EXPECT_PRED4(IsEqualRes, out, 320, 200, 30);
// Clamping by aspect ratio, but still never return a dimension higher than
// requested.
in.width = 640;
in.height = 360;
EXPECT_TRUE(engine_.CanSendCodec(in, current, &out));
EXPECT_PRED4(IsEqualRes, out, 640, 360, 30);
in.width = 639;
EXPECT_TRUE(engine_.CanSendCodec(in, current, &out));
EXPECT_PRED4(IsEqualRes, out, 480, 300, 30);
in.width = 641;
EXPECT_TRUE(engine_.CanSendCodec(in, current, &out));
EXPECT_PRED4(IsEqualRes, out, 640, 360, 30);
// Clamp large resolutions down, always preserving aspect
in.width = 1280;
in.height = 800;
EXPECT_TRUE(engine_.CanSendCodec(in, current, &out));
EXPECT_PRED4(IsEqualRes, out, 640, 400, 30);
in.width = 1281;
EXPECT_TRUE(engine_.CanSendCodec(in, current, &out));
EXPECT_PRED4(IsEqualRes, out, 640, 400, 30);
in.width = 1279;
EXPECT_TRUE(engine_.CanSendCodec(in, current, &out));
EXPECT_PRED4(IsEqualRes, out, 640, 400, 30);
// Should fail for any that are smaller than our supported formats
in.width = 80;
in.height = 80;
EXPECT_FALSE(engine_.CanSendCodec(in, current, &out));
in.height = 50;
EXPECT_FALSE(engine_.CanSendCodec(in, current, &out));
}
VideoEngineOverride<E> engine_;
rtc::scoped_ptr<cricket::FakeVideoCapturer> video_capturer_;
};
template<class E, class C>
class VideoMediaChannelTest : public testing::Test,
public sigslot::has_slots<> {
protected:
virtual cricket::VideoCodec DefaultCodec() = 0;
virtual cricket::StreamParams DefaultSendStreamParams() {
return cricket::StreamParams::CreateLegacy(kSsrc);
}
virtual void SetUp() {
cricket::Device device("test", "device");
engine_.Init();
channel_.reset(engine_.CreateChannel(cricket::VideoOptions(), NULL));
EXPECT_TRUE(channel_.get() != NULL);
ConnectVideoChannelError();
network_interface_.SetDestination(channel_.get());
channel_->SetInterface(&network_interface_);
media_error_ = cricket::VideoMediaChannel::ERROR_NONE;
channel_->SetRecvCodecs(engine_.codecs());
EXPECT_TRUE(channel_->AddSendStream(DefaultSendStreamParams()));
video_capturer_.reset(CreateFakeVideoCapturer());
cricket::VideoFormat format(640, 480,
cricket::VideoFormat::FpsToInterval(30),
cricket::FOURCC_I420);
EXPECT_EQ(cricket::CS_RUNNING, video_capturer_->Start(format));
EXPECT_TRUE(channel_->SetCapturer(kSsrc, video_capturer_.get()));
}
virtual cricket::FakeVideoCapturer* CreateFakeVideoCapturer() {
return new cricket::FakeVideoCapturer();
}
// Utility method to setup an additional stream to send and receive video.
// Used to test send and recv between two streams.
void SetUpSecondStream() {
SetUpSecondStreamWithNoRecv();
// Setup recv for second stream.
EXPECT_TRUE(channel_->AddRecvStream(
cricket::StreamParams::CreateLegacy(kSsrc + 2)));
// Make the second renderer available for use by a new stream.
EXPECT_TRUE(channel_->SetRenderer(kSsrc + 2, &renderer2_));
}
// Setup an additional stream just to send video. Defer add recv stream.
// This is required if you want to test unsignalled recv of video rtp packets.
void SetUpSecondStreamWithNoRecv() {
// SetUp() already added kSsrc make sure duplicate SSRCs cant be added.
EXPECT_TRUE(channel_->AddRecvStream(
cricket::StreamParams::CreateLegacy(kSsrc)));
EXPECT_TRUE(channel_->SetRenderer(kSsrc, &renderer_));
EXPECT_FALSE(channel_->AddSendStream(
cricket::StreamParams::CreateLegacy(kSsrc)));
EXPECT_TRUE(channel_->AddSendStream(
cricket::StreamParams::CreateLegacy(kSsrc + 2)));
// We dont add recv for the second stream.
// Setup the receive and renderer for second stream after send.
video_capturer_2_.reset(CreateFakeVideoCapturer());
cricket::VideoFormat format(640, 480,
cricket::VideoFormat::FpsToInterval(30),
cricket::FOURCC_I420);
EXPECT_EQ(cricket::CS_RUNNING, video_capturer_2_->Start(format));
EXPECT_TRUE(channel_->SetCapturer(kSsrc + 2, video_capturer_2_.get()));
}
virtual void TearDown() {
channel_.reset();
}
void ConnectVideoChannelError() {
channel_->SignalMediaError.connect(this,
&VideoMediaChannelTest<E, C>::OnVideoChannelError);
}
bool SetDefaultCodec() {
return SetOneCodec(DefaultCodec());
}
bool SetOneCodec(int pt, const char* name, int w, int h, int fr) {
return SetOneCodec(cricket::VideoCodec(pt, name, w, h, fr, 0));
}
bool SetOneCodec(const cricket::VideoCodec& codec) {
std::vector<cricket::VideoCodec> codecs;
codecs.push_back(codec);
cricket::VideoFormat capture_format(codec.width, codec.height,
cricket::VideoFormat::FpsToInterval(codec.framerate),
cricket::FOURCC_I420);
if (video_capturer_) {
EXPECT_EQ(cricket::CS_RUNNING, video_capturer_->Start(capture_format));
}
if (video_capturer_2_) {
EXPECT_EQ(cricket::CS_RUNNING, video_capturer_2_->Start(capture_format));
}
bool sending = channel_->sending();
bool success = SetSend(false);
if (success)
success = channel_->SetSendCodecs(codecs);
if (success)
success = SetSend(sending);
return success;
}
bool SetSend(bool send) {
return channel_->SetSend(send);
}
bool SetSendStreamFormat(uint32 ssrc, const cricket::VideoCodec& codec) {
return channel_->SetSendStreamFormat(ssrc, cricket::VideoFormat(
codec.width, codec.height,
cricket::VideoFormat::FpsToInterval(codec.framerate),
cricket::FOURCC_ANY));
}
int DrainOutgoingPackets() {
int packets = 0;
do {
packets = NumRtpPackets();
// 100 ms should be long enough.
rtc::Thread::Current()->ProcessMessages(100);
} while (NumRtpPackets() > packets);
return NumRtpPackets();
}
bool SendFrame() {
if (video_capturer_2_) {
video_capturer_2_->CaptureFrame();
}
return video_capturer_.get() &&
video_capturer_->CaptureFrame();
}
bool WaitAndSendFrame(int wait_ms) {
bool ret = rtc::Thread::Current()->ProcessMessages(wait_ms);
ret &= SendFrame();
return ret;
}
// Sends frames and waits for the decoder to be fully initialized.
// Returns the number of frames that were sent.
int WaitForDecoder() {
#if defined(HAVE_OPENMAX)
// Send enough frames for the OpenMAX decoder to continue processing, and
// return the number of frames sent.
// Send frames for a full kTimeout's worth of 15fps video.
int frame_count = 0;
while (frame_count < static_cast<int>(kTimeout) / 66) {
EXPECT_TRUE(WaitAndSendFrame(66));
++frame_count;
}
return frame_count;
#else
return 0;
#endif
}
bool SendCustomVideoFrame(int w, int h) {
if (!video_capturer_.get()) return false;
return video_capturer_->CaptureCustomFrame(w, h, cricket::FOURCC_I420);
}
int NumRtpBytes() {
return network_interface_.NumRtpBytes();
}
int NumRtpBytes(uint32 ssrc) {
return network_interface_.NumRtpBytes(ssrc);
}
int NumRtpPackets() {
return network_interface_.NumRtpPackets();
}
int NumRtpPackets(uint32 ssrc) {
return network_interface_.NumRtpPackets(ssrc);
}
int NumSentSsrcs() {
return network_interface_.NumSentSsrcs();
}
const rtc::Buffer* GetRtpPacket(int index) {
return network_interface_.GetRtpPacket(index);
}
int NumRtcpPackets() {
return network_interface_.NumRtcpPackets();
}
const rtc::Buffer* GetRtcpPacket(int index) {
return network_interface_.GetRtcpPacket(index);
}
static int GetPayloadType(const rtc::Buffer* p) {
int pt = -1;
ParseRtpPacket(p, NULL, &pt, NULL, NULL, NULL, NULL);
return pt;
}
static bool ParseRtpPacket(const rtc::Buffer* p, bool* x, int* pt,
int* seqnum, uint32* tstamp, uint32* ssrc,
std::string* payload) {
rtc::ByteBuffer buf(*p);
uint8 u08 = 0;
uint16 u16 = 0;
uint32 u32 = 0;
// Read X and CC fields.
if (!buf.ReadUInt8(&u08)) return false;
bool extension = ((u08 & 0x10) != 0);
uint8 cc = (u08 & 0x0F);
if (x) *x = extension;
// Read PT field.
if (!buf.ReadUInt8(&u08)) return false;
if (pt) *pt = (u08 & 0x7F);
// Read Sequence Number field.
if (!buf.ReadUInt16(&u16)) return false;
if (seqnum) *seqnum = u16;
// Read Timestamp field.
if (!buf.ReadUInt32(&u32)) return false;
if (tstamp) *tstamp = u32;
// Read SSRC field.
if (!buf.ReadUInt32(&u32)) return false;
if (ssrc) *ssrc = u32;
// Skip CSRCs.
for (uint8 i = 0; i < cc; ++i) {
if (!buf.ReadUInt32(&u32)) return false;
}
// Skip extension header.
if (extension) {
// Read Profile-specific extension header ID
if (!buf.ReadUInt16(&u16)) return false;
// Read Extension header length
if (!buf.ReadUInt16(&u16)) return false;
uint16 ext_header_len = u16;
// Read Extension header
for (uint16 i = 0; i < ext_header_len; ++i) {
if (!buf.ReadUInt32(&u32)) return false;
}
}
if (payload) {
return buf.ReadString(payload, buf.Length());
}
return true;
}
// Parse all RTCP packet, from start_index to stop_index, and count how many
// FIR (PT=206 and FMT=4 according to RFC 5104). If successful, set the count
// and return true.
bool CountRtcpFir(int start_index, int stop_index, int* fir_count) {
int count = 0;
for (int i = start_index; i < stop_index; ++i) {
rtc::scoped_ptr<const rtc::Buffer> p(GetRtcpPacket(i));
rtc::ByteBuffer buf(*p);
size_t total_len = 0;
// The packet may be a compound RTCP packet.
while (total_len < p->size()) {
// Read FMT, type and length.
uint8 fmt = 0;
uint8 type = 0;
uint16 length = 0;
if (!buf.ReadUInt8(&fmt)) return false;
fmt &= 0x1F;
if (!buf.ReadUInt8(&type)) return false;
if (!buf.ReadUInt16(&length)) return false;
buf.Consume(length * 4); // Skip RTCP data.
total_len += (length + 1) * 4;
if ((192 == type) || ((206 == type) && (4 == fmt))) {
++count;
}
}
}
if (fir_count) {
*fir_count = count;
}
return true;
}
void OnVideoChannelError(uint32 ssrc,
cricket::VideoMediaChannel::Error error) {
media_error_ = error;
}
// Test that SetSend works.
void SetSend() {
EXPECT_FALSE(channel_->sending());
EXPECT_TRUE(channel_->SetCapturer(kSsrc, video_capturer_.get()));
EXPECT_TRUE(SetOneCodec(DefaultCodec()));
EXPECT_FALSE(channel_->sending());
EXPECT_TRUE(SetSend(true));
EXPECT_TRUE(channel_->sending());
EXPECT_TRUE(SendFrame());
EXPECT_TRUE_WAIT(NumRtpPackets() > 0, kTimeout);
EXPECT_TRUE(SetSend(false));
EXPECT_FALSE(channel_->sending());
}
// Test that SetSend fails without codecs being set.
void SetSendWithoutCodecs() {
EXPECT_FALSE(channel_->sending());
EXPECT_FALSE(SetSend(true));
EXPECT_FALSE(channel_->sending());
}
// Test that we properly set the send and recv buffer sizes by the time
// SetSend is called.
void SetSendSetsTransportBufferSizes() {
EXPECT_TRUE(SetOneCodec(DefaultCodec()));
EXPECT_TRUE(SetSend(true));
EXPECT_EQ(64 * 1024, network_interface_.sendbuf_size());
EXPECT_EQ(64 * 1024, network_interface_.recvbuf_size());
}
// Tests that we can send frames and the right payload type is used.
void Send(const cricket::VideoCodec& codec) {
EXPECT_TRUE(SetOneCodec(codec));
EXPECT_TRUE(SetSend(true));
EXPECT_TRUE(SendFrame());
EXPECT_TRUE_WAIT(NumRtpPackets() > 0, kTimeout);
rtc::scoped_ptr<const rtc::Buffer> p(GetRtpPacket(0));
EXPECT_EQ(codec.id, GetPayloadType(p.get()));
}
// Tests that we can send and receive frames.
void SendAndReceive(const cricket::VideoCodec& codec) {
EXPECT_TRUE(SetOneCodec(codec));
EXPECT_TRUE(SetSend(true));
EXPECT_TRUE(channel_->SetRender(true));
EXPECT_TRUE(channel_->SetRenderer(kDefaultReceiveSsrc, &renderer_));
EXPECT_EQ(0, renderer_.num_rendered_frames());
EXPECT_TRUE(SendFrame());
EXPECT_FRAME_WAIT(1, codec.width, codec.height, kTimeout);
rtc::scoped_ptr<const rtc::Buffer> p(GetRtpPacket(0));
EXPECT_EQ(codec.id, GetPayloadType(p.get()));
}
// Tests that we only get a VideoRenderer::SetSize() callback when needed.
void SendManyResizeOnce() {
cricket::VideoCodec codec(DefaultCodec());
EXPECT_TRUE(SetOneCodec(codec));
EXPECT_TRUE(SetSend(true));
EXPECT_TRUE(channel_->SetRender(true));
EXPECT_TRUE(channel_->SetRenderer(kDefaultReceiveSsrc, &renderer_));
EXPECT_EQ(0, renderer_.num_rendered_frames());
EXPECT_TRUE(WaitAndSendFrame(30));
EXPECT_FRAME_WAIT(1, codec.width, codec.height, kTimeout);
EXPECT_TRUE(WaitAndSendFrame(30));
EXPECT_FRAME_WAIT(2, codec.width, codec.height, kTimeout);
rtc::scoped_ptr<const rtc::Buffer> p(GetRtpPacket(0));
EXPECT_EQ(codec.id, GetPayloadType(p.get()));
EXPECT_EQ(1, renderer_.num_set_sizes());
codec.width /= 2;
codec.height /= 2;
EXPECT_TRUE(SetOneCodec(codec));
EXPECT_TRUE(WaitAndSendFrame(30));
EXPECT_FRAME_WAIT(3, codec.width, codec.height, kTimeout);
EXPECT_EQ(2, renderer_.num_set_sizes());
}
void SendReceiveManyAndGetStats(const cricket::VideoCodec& codec,
int duration_sec, int fps) {
EXPECT_TRUE(SetOneCodec(codec));
EXPECT_TRUE(SetSend(true));
EXPECT_TRUE(channel_->SetRender(true));
EXPECT_TRUE(channel_->SetRenderer(kDefaultReceiveSsrc, &renderer_));
EXPECT_EQ(0, renderer_.num_rendered_frames());
for (int i = 0; i < duration_sec; ++i) {
for (int frame = 1; frame <= fps; ++frame) {
EXPECT_TRUE(WaitAndSendFrame(1000 / fps));
EXPECT_FRAME_WAIT(frame + i * fps, codec.width, codec.height, kTimeout);
}
}
rtc::scoped_ptr<const rtc::Buffer> p(GetRtpPacket(0));
EXPECT_EQ(codec.id, GetPayloadType(p.get()));
}
// Test that stats work properly for a 1-1 call.
void GetStats() {
const int kDurationSec = 3;
const int kFps = 10;
SendReceiveManyAndGetStats(DefaultCodec(), kDurationSec, kFps);
cricket::VideoMediaInfo info;
EXPECT_TRUE(channel_->GetStats(&info));
ASSERT_EQ(1U, info.senders.size());
// TODO(whyuan): bytes_sent and bytes_rcvd are different. Are both payload?
// For webrtc, bytes_sent does not include the RTP header length.
EXPECT_GT(info.senders[0].bytes_sent, 0);
EXPECT_EQ(NumRtpPackets(), info.senders[0].packets_sent);
EXPECT_EQ(0.0, info.senders[0].fraction_lost);
EXPECT_EQ(0, info.senders[0].firs_rcvd);
EXPECT_EQ(0, info.senders[0].plis_rcvd);
EXPECT_EQ(0, info.senders[0].nacks_rcvd);
EXPECT_EQ(DefaultCodec().width, info.senders[0].send_frame_width);
EXPECT_EQ(DefaultCodec().height, info.senders[0].send_frame_height);
EXPECT_GT(info.senders[0].framerate_input, 0);
EXPECT_GT(info.senders[0].framerate_sent, 0);
ASSERT_EQ(1U, info.receivers.size());
EXPECT_EQ(1U, info.senders[0].ssrcs().size());
EXPECT_EQ(1U, info.receivers[0].ssrcs().size());
EXPECT_EQ(info.senders[0].ssrcs()[0], info.receivers[0].ssrcs()[0]);
EXPECT_EQ(NumRtpBytes(), info.receivers[0].bytes_rcvd);
EXPECT_EQ(NumRtpPackets(), info.receivers[0].packets_rcvd);
EXPECT_EQ(0.0, info.receivers[0].fraction_lost);
EXPECT_EQ(0, info.receivers[0].packets_lost);
// TODO(asapersson): Not set for webrtc. Handle missing stats.
// EXPECT_EQ(0, info.receivers[0].packets_concealed);
EXPECT_EQ(0, info.receivers[0].firs_sent);
EXPECT_EQ(0, info.receivers[0].plis_sent);
EXPECT_EQ(0, info.receivers[0].nacks_sent);
EXPECT_EQ(DefaultCodec().width, info.receivers[0].frame_width);
EXPECT_EQ(DefaultCodec().height, info.receivers[0].frame_height);
EXPECT_GT(info.receivers[0].framerate_rcvd, 0);
EXPECT_GT(info.receivers[0].framerate_decoded, 0);
EXPECT_GT(info.receivers[0].framerate_output, 0);
}
// Test that stats work properly for a conf call with multiple recv streams.
void GetStatsMultipleRecvStreams() {
cricket::FakeVideoRenderer renderer1, renderer2;
EXPECT_TRUE(SetOneCodec(DefaultCodec()));
cricket::VideoOptions vmo;
vmo.conference_mode.Set(true);
EXPECT_TRUE(channel_->SetOptions(vmo));
EXPECT_TRUE(SetSend(true));
EXPECT_TRUE(channel_->AddRecvStream(
cricket::StreamParams::CreateLegacy(1)));
EXPECT_TRUE(channel_->AddRecvStream(
cricket::StreamParams::CreateLegacy(2)));
EXPECT_TRUE(channel_->SetRenderer(1, &renderer1));
EXPECT_TRUE(channel_->SetRenderer(2, &renderer2));
EXPECT_TRUE(channel_->SetRender(true));
EXPECT_EQ(0, renderer1.num_rendered_frames());
EXPECT_EQ(0, renderer2.num_rendered_frames());
std::vector<uint32> ssrcs;
ssrcs.push_back(1);
ssrcs.push_back(2);
network_interface_.SetConferenceMode(true, ssrcs);
EXPECT_TRUE(SendFrame());
EXPECT_FRAME_ON_RENDERER_WAIT(
renderer1, 1, DefaultCodec().width, DefaultCodec().height, kTimeout);
EXPECT_FRAME_ON_RENDERER_WAIT(
renderer2, 1, DefaultCodec().width, DefaultCodec().height, kTimeout);
cricket::VideoMediaInfo info;
EXPECT_TRUE(channel_->GetStats(&info));
ASSERT_EQ(1U, info.senders.size());
// TODO(whyuan): bytes_sent and bytes_rcvd are different. Are both payload?
// For webrtc, bytes_sent does not include the RTP header length.
EXPECT_GT(info.senders[0].bytes_sent, 0);
EXPECT_EQ(NumRtpPackets(), info.senders[0].packets_sent);
EXPECT_EQ(DefaultCodec().width, info.senders[0].send_frame_width);
EXPECT_EQ(DefaultCodec().height, info.senders[0].send_frame_height);
ASSERT_EQ(2U, info.receivers.size());
for (size_t i = 0; i < info.receivers.size(); ++i) {
EXPECT_EQ(1U, info.receivers[i].ssrcs().size());
EXPECT_EQ(i + 1, info.receivers[i].ssrcs()[0]);
EXPECT_EQ(NumRtpBytes(), info.receivers[i].bytes_rcvd);
EXPECT_EQ(NumRtpPackets(), info.receivers[i].packets_rcvd);
EXPECT_EQ(DefaultCodec().width, info.receivers[i].frame_width);
EXPECT_EQ(DefaultCodec().height, info.receivers[i].frame_height);
}
}
// Test that stats work properly for a conf call with multiple send streams.
void GetStatsMultipleSendStreams() {
// Normal setup; note that we set the SSRC explicitly to ensure that
// it will come first in the senders map.
EXPECT_TRUE(SetOneCodec(DefaultCodec()));
cricket::VideoOptions vmo;
vmo.conference_mode.Set(true);
EXPECT_TRUE(channel_->SetOptions(vmo));
EXPECT_TRUE(channel_->AddRecvStream(
cricket::StreamParams::CreateLegacy(kSsrc)));
EXPECT_TRUE(channel_->SetRenderer(kSsrc, &renderer_));
channel_->UpdateAspectRatio(640, 400);
EXPECT_TRUE(SetSend(true));
EXPECT_TRUE(channel_->SetRender(true));
EXPECT_TRUE(SendFrame());
EXPECT_TRUE_WAIT(NumRtpPackets() > 0, kTimeout);
EXPECT_FRAME_WAIT(1, DefaultCodec().width, DefaultCodec().height, kTimeout);
// Add an additional capturer, and hook up a renderer to receive it.
cricket::FakeVideoRenderer renderer2;
rtc::scoped_ptr<cricket::FakeVideoCapturer> capturer(
CreateFakeVideoCapturer());
capturer->SetScreencast(true);
const int kTestWidth = 160;
const int kTestHeight = 120;
cricket::VideoFormat format(kTestWidth, kTestHeight,
cricket::VideoFormat::FpsToInterval(5),
cricket::FOURCC_I420);
EXPECT_EQ(cricket::CS_RUNNING, capturer->Start(format));
EXPECT_TRUE(channel_->AddSendStream(
cricket::StreamParams::CreateLegacy(5678)));
EXPECT_TRUE(channel_->SetCapturer(5678, capturer.get()));
EXPECT_TRUE(channel_->AddRecvStream(
cricket::StreamParams::CreateLegacy(5678)));
EXPECT_TRUE(channel_->SetRenderer(5678, &renderer2));
EXPECT_TRUE(capturer->CaptureCustomFrame(
kTestWidth, kTestHeight, cricket::FOURCC_I420));
EXPECT_FRAME_ON_RENDERER_WAIT(
renderer2, 1, kTestWidth, kTestHeight, kTimeout);
// Get stats, and make sure they are correct for two senders. We wait until
// the number of expected packets have been sent to avoid races where we
// check stats before it has been updated.
cricket::VideoMediaInfo info;
for (uint32 i = 0; i < kTimeout; ++i) {
rtc::Thread::Current()->ProcessMessages(1);
EXPECT_TRUE(channel_->GetStats(&info));
ASSERT_EQ(2U, info.senders.size());
if (info.senders[0].packets_sent + info.senders[1].packets_sent ==
NumRtpPackets()) {
// Stats have been updated for both sent frames, expectations can be
// checked now.
break;
}
}
EXPECT_EQ(NumRtpPackets(),
info.senders[0].packets_sent + info.senders[1].packets_sent)
<< "Timed out while waiting for packet counts for all sent packets.";
EXPECT_EQ(1U, info.senders[0].ssrcs().size());
EXPECT_EQ(1234U, info.senders[0].ssrcs()[0]);
EXPECT_EQ(DefaultCodec().width, info.senders[0].send_frame_width);
EXPECT_EQ(DefaultCodec().height, info.senders[0].send_frame_height);
EXPECT_EQ(1U, info.senders[1].ssrcs().size());
EXPECT_EQ(5678U, info.senders[1].ssrcs()[0]);
EXPECT_EQ(kTestWidth, info.senders[1].send_frame_width);
EXPECT_EQ(kTestHeight, info.senders[1].send_frame_height);
// The capturer must be unregistered here as it runs out of it's scope next.
EXPECT_TRUE(channel_->SetCapturer(5678, NULL));
}
// Test that we can set the bandwidth.
void SetSendBandwidth() {
EXPECT_TRUE(channel_->SetMaxSendBandwidth(-1)); // <= 0 means unlimited.
EXPECT_TRUE(channel_->SetMaxSendBandwidth(128 * 1024));
}
// Test that we can set the SSRC for the default send source.
void SetSendSsrc() {
EXPECT_TRUE(SetDefaultCodec());
EXPECT_TRUE(SetSendStreamFormat(kSsrc, DefaultCodec()));
EXPECT_TRUE(SetSend(true));
EXPECT_TRUE(SendFrame());
EXPECT_TRUE_WAIT(NumRtpPackets() > 0, kTimeout);
uint32 ssrc = 0;
rtc::scoped_ptr<const rtc::Buffer> p(GetRtpPacket(0));
ParseRtpPacket(p.get(), NULL, NULL, NULL, NULL, &ssrc, NULL);
EXPECT_EQ(kSsrc, ssrc);
EXPECT_EQ(NumRtpPackets(), NumRtpPackets(ssrc));
EXPECT_EQ(NumRtpBytes(), NumRtpBytes(ssrc));
EXPECT_EQ(1, NumSentSsrcs());
EXPECT_EQ(0, NumRtpPackets(kSsrc - 1));
EXPECT_EQ(0, NumRtpBytes(kSsrc - 1));
}
// Test that we can set the SSRC even after codecs are set.
void SetSendSsrcAfterSetCodecs() {
// Remove stream added in Setup.
EXPECT_TRUE(channel_->RemoveSendStream(kSsrc));
EXPECT_TRUE(SetDefaultCodec());
EXPECT_TRUE(channel_->AddSendStream(
cricket::StreamParams::CreateLegacy(999)));
EXPECT_TRUE(channel_->SetCapturer(999u, video_capturer_.get()));
EXPECT_TRUE(SetSendStreamFormat(999u, DefaultCodec()));
EXPECT_TRUE(SetSend(true));
EXPECT_TRUE(WaitAndSendFrame(0));
EXPECT_TRUE_WAIT(NumRtpPackets() > 0, kTimeout);
uint32 ssrc = 0;
rtc::scoped_ptr<const rtc::Buffer> p(GetRtpPacket(0));
ParseRtpPacket(p.get(), NULL, NULL, NULL, NULL, &ssrc, NULL);
EXPECT_EQ(999u, ssrc);
EXPECT_EQ(NumRtpPackets(), NumRtpPackets(ssrc));
EXPECT_EQ(NumRtpBytes(), NumRtpBytes(ssrc));
EXPECT_EQ(1, NumSentSsrcs());
EXPECT_EQ(0, NumRtpPackets(kSsrc));
EXPECT_EQ(0, NumRtpBytes(kSsrc));
}
// Test that we can set the default video renderer before and after
// media is received.
void SetRenderer() {
uint8 data1[] = {
0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
rtc::Buffer packet1(data1, sizeof(data1));
rtc::SetBE32(packet1.data() + 8, kSsrc);
channel_->SetRenderer(kDefaultReceiveSsrc, NULL);
EXPECT_TRUE(SetDefaultCodec());
EXPECT_TRUE(SetSend(true));
EXPECT_TRUE(channel_->SetRender(true));
EXPECT_EQ(0, renderer_.num_rendered_frames());
channel_->OnPacketReceived(&packet1, rtc::PacketTime());
EXPECT_TRUE(channel_->SetRenderer(kDefaultReceiveSsrc, &renderer_));
EXPECT_TRUE(SendFrame());
EXPECT_FRAME_WAIT(1, DefaultCodec().width, DefaultCodec().height, kTimeout);
}
// Tests empty StreamParams is rejected.
void RejectEmptyStreamParams() {
// Remove the send stream that was added during Setup.
EXPECT_TRUE(channel_->RemoveSendStream(kSsrc));
cricket::StreamParams empty;
EXPECT_FALSE(channel_->AddSendStream(empty));
EXPECT_TRUE(channel_->AddSendStream(
cricket::StreamParams::CreateLegacy(789u)));
}
// Tests setting up and configuring a send stream.
void AddRemoveSendStreams() {
EXPECT_TRUE(SetOneCodec(DefaultCodec()));
EXPECT_TRUE(SetSend(true));
EXPECT_TRUE(channel_->SetRender(true));
EXPECT_TRUE(channel_->SetRenderer(kDefaultReceiveSsrc, &renderer_));
EXPECT_TRUE(SendFrame());
EXPECT_FRAME_WAIT(1, DefaultCodec().width, DefaultCodec().height, kTimeout);
EXPECT_GE(2, NumRtpPackets());
uint32 ssrc = 0;
size_t last_packet = NumRtpPackets() - 1;
rtc::scoped_ptr<const rtc::Buffer>
p(GetRtpPacket(static_cast<int>(last_packet)));
ParseRtpPacket(p.get(), NULL, NULL, NULL, NULL, &ssrc, NULL);
EXPECT_EQ(kSsrc, ssrc);
// Remove the send stream that was added during Setup.
EXPECT_TRUE(channel_->RemoveSendStream(kSsrc));
int rtp_packets = NumRtpPackets();
EXPECT_TRUE(channel_->AddSendStream(
cricket::StreamParams::CreateLegacy(789u)));
EXPECT_TRUE(channel_->SetCapturer(789u, video_capturer_.get()));
EXPECT_EQ(rtp_packets, NumRtpPackets());
// Wait 30ms to guarantee the engine does not drop the frame.
EXPECT_TRUE(WaitAndSendFrame(30));
EXPECT_TRUE_WAIT(NumRtpPackets() > rtp_packets, kTimeout);
last_packet = NumRtpPackets() - 1;
p.reset(GetRtpPacket(static_cast<int>(last_packet)));
ParseRtpPacket(p.get(), NULL, NULL, NULL, NULL, &ssrc, NULL);
EXPECT_EQ(789u, ssrc);
}
// Tests adding streams already exists returns false.
void AddRecvStreamsAlreadyExist() {
cricket::VideoOptions vmo;
vmo.conference_mode.Set(true);
EXPECT_TRUE(channel_->SetOptions(vmo));
EXPECT_FALSE(channel_->AddRecvStream(
cricket::StreamParams::CreateLegacy(0)));
EXPECT_TRUE(channel_->AddRecvStream(
cricket::StreamParams::CreateLegacy(1)));
EXPECT_FALSE(channel_->AddRecvStream(
cricket::StreamParams::CreateLegacy(1)));
EXPECT_TRUE(channel_->RemoveRecvStream(1));
EXPECT_FALSE(channel_->AddRecvStream(
cricket::StreamParams::CreateLegacy(0)));
EXPECT_TRUE(channel_->AddRecvStream(
cricket::StreamParams::CreateLegacy(1)));
}
// Tests setting up and configuring multiple incoming streams.
void AddRemoveRecvStreams() {
cricket::FakeVideoRenderer renderer1, renderer2;
cricket::VideoOptions vmo;
vmo.conference_mode.Set(true);
EXPECT_TRUE(channel_->SetOptions(vmo));
// Ensure we can't set the renderer on a non-existent stream.
EXPECT_FALSE(channel_->SetRenderer(1, &renderer1));
EXPECT_FALSE(channel_->SetRenderer(2, &renderer2));
cricket::VideoRenderer* renderer;
EXPECT_FALSE(channel_->GetRenderer(1, &renderer));
EXPECT_FALSE(channel_->GetRenderer(2, &renderer));
// Ensure we can add streams.
EXPECT_TRUE(channel_->AddRecvStream(
cricket::StreamParams::CreateLegacy(1)));
EXPECT_TRUE(channel_->AddRecvStream(
cricket::StreamParams::CreateLegacy(2)));
EXPECT_TRUE(channel_->GetRenderer(1, &renderer));
EXPECT_TRUE(renderer == NULL);
EXPECT_TRUE(channel_->GetRenderer(2, &renderer));
EXPECT_TRUE(NULL == renderer);
// Ensure we can now set the renderers.
EXPECT_TRUE(channel_->SetRenderer(1, &renderer1));
EXPECT_TRUE(channel_->SetRenderer(2, &renderer2));
EXPECT_TRUE(channel_->GetRenderer(1, &renderer));
EXPECT_TRUE(&renderer1 == renderer);
EXPECT_TRUE(channel_->GetRenderer(2, &renderer));
EXPECT_TRUE(&renderer2 == renderer);
// Ensure we can change the renderers if needed.
EXPECT_TRUE(channel_->SetRenderer(1, &renderer2));
EXPECT_TRUE(channel_->SetRenderer(2, &renderer1));
EXPECT_TRUE(channel_->GetRenderer(1, &renderer));
EXPECT_TRUE(&renderer2 == renderer);
EXPECT_TRUE(channel_->GetRenderer(2, &renderer));
EXPECT_TRUE(&renderer1 == renderer);
EXPECT_TRUE(channel_->RemoveRecvStream(2));
EXPECT_TRUE(channel_->RemoveRecvStream(1));
EXPECT_FALSE(channel_->GetRenderer(1, &renderer));
EXPECT_FALSE(channel_->GetRenderer(2, &renderer));
}
// Tests setting up and configuring multiple incoming streams in a
// non-conference call.
void AddRemoveRecvStreamsNoConference() {
cricket::FakeVideoRenderer renderer1, renderer2;
// Ensure we can't set the renderer on a non-existent stream.
EXPECT_FALSE(channel_->SetRenderer(1, &renderer1));
EXPECT_FALSE(channel_->SetRenderer(2, &renderer2));
cricket::VideoRenderer* renderer;
EXPECT_FALSE(channel_->GetRenderer(1, &renderer));
EXPECT_FALSE(channel_->GetRenderer(2, &renderer));
// Ensure we can add streams.
EXPECT_TRUE(channel_->AddRecvStream(
cricket::StreamParams::CreateLegacy(1)));
EXPECT_TRUE(channel_->AddRecvStream(
cricket::StreamParams::CreateLegacy(2)));
EXPECT_TRUE(channel_->GetRenderer(1, &renderer));
// Verify the first AddRecvStream hook up to the default renderer.
EXPECT_TRUE(renderer == NULL);
EXPECT_TRUE(channel_->GetRenderer(2, &renderer));
EXPECT_TRUE(NULL == renderer);
// Ensure we can now set the renderers.
EXPECT_TRUE(channel_->SetRenderer(1, &renderer1));
EXPECT_TRUE(channel_->SetRenderer(2, &renderer2));
EXPECT_TRUE(channel_->GetRenderer(1, &renderer));
EXPECT_TRUE(&renderer1 == renderer);
EXPECT_TRUE(channel_->GetRenderer(2, &renderer));
EXPECT_TRUE(&renderer2 == renderer);
// Ensure we can change the renderers if needed.
EXPECT_TRUE(channel_->SetRenderer(1, &renderer2));
EXPECT_TRUE(channel_->SetRenderer(2, &renderer1));
EXPECT_TRUE(channel_->GetRenderer(1, &renderer));
EXPECT_TRUE(&renderer2 == renderer);
EXPECT_TRUE(channel_->GetRenderer(2, &renderer));
EXPECT_TRUE(&renderer1 == renderer);
EXPECT_TRUE(channel_->RemoveRecvStream(2));
EXPECT_TRUE(channel_->RemoveRecvStream(1));
EXPECT_FALSE(channel_->GetRenderer(1, &renderer));
EXPECT_FALSE(channel_->GetRenderer(2, &renderer));
}
// Test that no frames are rendered after the receive stream have been
// removed.
void AddRemoveRecvStreamAndRender() {
cricket::FakeVideoRenderer renderer1;
EXPECT_TRUE(SetDefaultCodec());
EXPECT_TRUE(SetSend(true));
EXPECT_TRUE(channel_->SetRender(true));
EXPECT_TRUE(channel_->AddRecvStream(
cricket::StreamParams::CreateLegacy(kSsrc)));
EXPECT_TRUE(channel_->SetRenderer(kSsrc, &renderer1));
EXPECT_TRUE(SendFrame());
EXPECT_FRAME_ON_RENDERER_WAIT(
renderer1, 1, DefaultCodec().width, DefaultCodec().height, kTimeout);
EXPECT_TRUE(channel_->RemoveRecvStream(kSsrc));
// Send three more frames. This is to avoid that the test might be flaky
// due to frame dropping.
for (size_t i = 0; i < 3; ++i)
EXPECT_TRUE(WaitAndSendFrame(100));
// Test that no more frames have been rendered.
EXPECT_EQ(1, renderer1.num_rendered_frames());
// Re-add the stream again and make sure it renders.
EXPECT_TRUE(channel_->AddRecvStream(
cricket::StreamParams::CreateLegacy(kSsrc)));
// Force the next frame to be a key frame to make the receiving
// decoder happy.
EXPECT_TRUE(channel_->SendIntraFrame());
EXPECT_TRUE(channel_->SetRenderer(kSsrc, &renderer1));
EXPECT_TRUE(SendFrame());
// Because the default channel is used, RemoveRecvStream above is not going
// to delete the channel. As a result the engine will continue to receive
// and decode the 3 frames sent above. So it is possible we will receive
// some (e.g. 1) of these 3 frames after the renderer is set again.
EXPECT_GT_FRAME_ON_RENDERER_WAIT(
renderer1, 2, DefaultCodec().width, DefaultCodec().height, kTimeout);
// Detach |renderer1| before exit as there might be frames come late.
EXPECT_TRUE(channel_->SetRenderer(kSsrc, NULL));
}
// Tests the behavior of incoming streams in a conference scenario.
void SimulateConference() {
cricket::FakeVideoRenderer renderer1, renderer2;
EXPECT_TRUE(SetDefaultCodec());
cricket::VideoOptions vmo;
vmo.conference_mode.Set(true);
EXPECT_TRUE(channel_->SetOptions(vmo));
EXPECT_TRUE(SetSend(true));
EXPECT_TRUE(channel_->SetRender(true));
EXPECT_TRUE(channel_->AddRecvStream(
cricket::StreamParams::CreateLegacy(1)));
EXPECT_TRUE(channel_->AddRecvStream(
cricket::StreamParams::CreateLegacy(2)));
EXPECT_TRUE(channel_->SetRenderer(1, &renderer1));
EXPECT_TRUE(channel_->SetRenderer(2, &renderer2));
EXPECT_EQ(0, renderer1.num_rendered_frames());
EXPECT_EQ(0, renderer2.num_rendered_frames());
std::vector<uint32> ssrcs;
ssrcs.push_back(1);
ssrcs.push_back(2);
network_interface_.SetConferenceMode(true, ssrcs);
EXPECT_TRUE(SendFrame());
EXPECT_FRAME_ON_RENDERER_WAIT(
renderer1, 1, DefaultCodec().width, DefaultCodec().height, kTimeout);
EXPECT_FRAME_ON_RENDERER_WAIT(
renderer2, 1, DefaultCodec().width, DefaultCodec().height, kTimeout);
rtc::scoped_ptr<const rtc::Buffer> p(GetRtpPacket(0));
EXPECT_EQ(DefaultCodec().id, GetPayloadType(p.get()));
EXPECT_EQ(DefaultCodec().width, renderer1.width());
EXPECT_EQ(DefaultCodec().height, renderer1.height());
EXPECT_EQ(DefaultCodec().width, renderer2.width());
EXPECT_EQ(DefaultCodec().height, renderer2.height());
EXPECT_TRUE(channel_->RemoveRecvStream(2));
EXPECT_TRUE(channel_->RemoveRecvStream(1));
}
// Tests that we can add and remove capturers and frames are sent out properly
void AddRemoveCapturer() {
cricket::VideoCodec codec = DefaultCodec();
codec.width = 320;
codec.height = 240;
const int time_between_send = TimeBetweenSend(codec);
EXPECT_TRUE(SetOneCodec(codec));
EXPECT_TRUE(SetSend(true));
EXPECT_TRUE(channel_->SetRender(true));
EXPECT_TRUE(channel_->SetRenderer(kDefaultReceiveSsrc, &renderer_));
EXPECT_EQ(0, renderer_.num_rendered_frames());
EXPECT_TRUE(SendFrame());
EXPECT_FRAME_WAIT(1, codec.width, codec.height, kTimeout);
rtc::scoped_ptr<cricket::FakeVideoCapturer> capturer(
CreateFakeVideoCapturer());
capturer->SetScreencast(true);
cricket::VideoFormat format(480, 360,
cricket::VideoFormat::FpsToInterval(30),
cricket::FOURCC_I420);
EXPECT_EQ(cricket::CS_RUNNING, capturer->Start(format));
// All capturers start generating frames with the same timestamp. ViE does
// not allow the same timestamp to be used. Capture one frame before
// associating the capturer with the channel.
EXPECT_TRUE(capturer->CaptureCustomFrame(format.width, format.height,
cricket::FOURCC_I420));
int captured_frames = 1;
for (int iterations = 0; iterations < 2; ++iterations) {
EXPECT_TRUE(channel_->SetCapturer(kSsrc, capturer.get()));
rtc::Thread::Current()->ProcessMessages(time_between_send);
EXPECT_TRUE(capturer->CaptureCustomFrame(format.width, format.height,
cricket::FOURCC_I420));
++captured_frames;
// Wait until frame of right size is captured.
EXPECT_TRUE_WAIT(renderer_.num_rendered_frames() >= captured_frames &&
format.width == renderer_.width() &&
format.height == renderer_.height() &&
!renderer_.black_frame(), kTimeout);
EXPECT_GE(renderer_.num_rendered_frames(), captured_frames);
EXPECT_EQ(format.width, renderer_.width());
EXPECT_EQ(format.height, renderer_.height());
captured_frames = renderer_.num_rendered_frames() + 1;
EXPECT_FALSE(renderer_.black_frame());
EXPECT_TRUE(channel_->SetCapturer(kSsrc, NULL));
// Make sure a black frame is generated within the specified timeout.
// The black frame should be the resolution of the previous frame to
// prevent expensive encoder reconfigurations.
EXPECT_TRUE_WAIT(renderer_.num_rendered_frames() >= captured_frames &&
format.width == renderer_.width() &&
format.height == renderer_.height() &&
renderer_.black_frame(), kTimeout);
EXPECT_GE(renderer_.num_rendered_frames(), captured_frames);
EXPECT_EQ(format.width, renderer_.width());
EXPECT_EQ(format.height, renderer_.height());
EXPECT_TRUE(renderer_.black_frame());
// The black frame has the same timestamp as the next frame since it's
// timestamp is set to the last frame's timestamp + interval. WebRTC will
// not render a frame with the same timestamp so capture another frame
// with the frame capturer to increment the next frame's timestamp.
EXPECT_TRUE(capturer->CaptureCustomFrame(format.width, format.height,
cricket::FOURCC_I420));
}
}
// Tests that if RemoveCapturer is called without a capturer ever being
// added, the plugin shouldn't crash (and no black frame should be sent).
void RemoveCapturerWithoutAdd() {
EXPECT_TRUE(SetOneCodec(DefaultCodec()));
EXPECT_TRUE(SetSend(true));
EXPECT_TRUE(channel_->SetRender(true));
EXPECT_TRUE(channel_->SetRenderer(kDefaultReceiveSsrc, &renderer_));
EXPECT_EQ(0, renderer_.num_rendered_frames());
EXPECT_TRUE(SendFrame());
EXPECT_FRAME_WAIT(1, 640, 400, kTimeout);
// Wait for one frame so they don't get dropped because we send frames too
// tightly.
rtc::Thread::Current()->ProcessMessages(30);
// Remove the capturer.
EXPECT_TRUE(channel_->SetCapturer(kSsrc, NULL));
// Wait for one black frame for removing the capturer.
EXPECT_FRAME_WAIT(2, 640, 400, kTimeout);
// No capturer was added, so this RemoveCapturer should
// fail.
EXPECT_FALSE(channel_->SetCapturer(kSsrc, NULL));
rtc::Thread::Current()->ProcessMessages(300);
// Verify no more frames were sent.
EXPECT_EQ(2, renderer_.num_rendered_frames());
}
// Tests that we can add and remove capturer as unique sources.
void AddRemoveCapturerMultipleSources() {
// WebRTC implementation will drop frames if pushed to quickly. Wait the
// interval time to avoid that.
// WebRTC implementation will drop frames if pushed to quickly. Wait the
// interval time to avoid that.
// Set up the stream associated with the engine.
EXPECT_TRUE(channel_->AddRecvStream(
cricket::StreamParams::CreateLegacy(kSsrc)));
EXPECT_TRUE(channel_->SetRenderer(kSsrc, &renderer_));
cricket::VideoFormat capture_format; // default format
capture_format.interval = cricket::VideoFormat::FpsToInterval(30);
// Set up additional stream 1.
cricket::FakeVideoRenderer renderer1;
EXPECT_FALSE(channel_->SetRenderer(1, &renderer1));
EXPECT_TRUE(channel_->AddRecvStream(
cricket::StreamParams::CreateLegacy(1)));
EXPECT_TRUE(channel_->SetRenderer(1, &renderer1));
EXPECT_TRUE(channel_->AddSendStream(
cricket::StreamParams::CreateLegacy(1)));
rtc::scoped_ptr<cricket::FakeVideoCapturer> capturer1(
CreateFakeVideoCapturer());
capturer1->SetScreencast(true);
EXPECT_EQ(cricket::CS_RUNNING, capturer1->Start(capture_format));
// Set up additional stream 2.
cricket::FakeVideoRenderer renderer2;
EXPECT_FALSE(channel_->SetRenderer(2, &renderer2));
EXPECT_TRUE(channel_->AddRecvStream(
cricket::StreamParams::CreateLegacy(2)));
EXPECT_TRUE(channel_->SetRenderer(2, &renderer2));
EXPECT_TRUE(channel_->AddSendStream(
cricket::StreamParams::CreateLegacy(2)));
rtc::scoped_ptr<cricket::FakeVideoCapturer> capturer2(
CreateFakeVideoCapturer());
capturer2->SetScreencast(true);
EXPECT_EQ(cricket::CS_RUNNING, capturer2->Start(capture_format));
// State for all the streams.
EXPECT_TRUE(SetOneCodec(DefaultCodec()));
// A limitation in the lmi implementation requires that SetCapturer() is
// called after SetOneCodec().
// TODO(hellner): this seems like an unnecessary constraint, fix it.
EXPECT_TRUE(channel_->SetCapturer(1, capturer1.get()));
EXPECT_TRUE(channel_->SetCapturer(2, capturer2.get()));
EXPECT_TRUE(SetSend(true));
EXPECT_TRUE(channel_->SetRender(true));
// Test capturer associated with engine.
const int kTestWidth = 160;
const int kTestHeight = 120;
EXPECT_TRUE(capturer1->CaptureCustomFrame(
kTestWidth, kTestHeight, cricket::FOURCC_I420));
EXPECT_FRAME_ON_RENDERER_WAIT(
renderer1, 1, kTestWidth, kTestHeight, kTimeout);
// Capture a frame with additional capturer2, frames should be received
EXPECT_TRUE(capturer2->CaptureCustomFrame(
kTestWidth, kTestHeight, cricket::FOURCC_I420));
EXPECT_FRAME_ON_RENDERER_WAIT(
renderer2, 1, kTestWidth, kTestHeight, kTimeout);
// Successfully remove the capturer.
EXPECT_TRUE(channel_->SetCapturer(kSsrc, NULL));
// Fail to re-remove the capturer.
EXPECT_FALSE(channel_->SetCapturer(kSsrc, NULL));
// The capturers must be unregistered here as it runs out of it's scope
// next.
EXPECT_TRUE(channel_->SetCapturer(1, NULL));
EXPECT_TRUE(channel_->SetCapturer(2, NULL));
}
void HighAspectHighHeightCapturer() {
const int kWidth = 80;
const int kHeight = 10000;
const int kScaledWidth = 20;
const int kScaledHeight = 2500;
cricket::VideoCodec codec(DefaultCodec());
EXPECT_TRUE(SetOneCodec(codec));
EXPECT_TRUE(SetSend(true));
cricket::FakeVideoRenderer renderer;
EXPECT_TRUE(channel_->AddRecvStream(
cricket::StreamParams::CreateLegacy(kSsrc)));
EXPECT_TRUE(channel_->SetRenderer(kSsrc, &renderer));
EXPECT_TRUE(channel_->SetRender(true));
EXPECT_EQ(0, renderer.num_rendered_frames());
EXPECT_TRUE(SendFrame());
EXPECT_GT_FRAME_ON_RENDERER_WAIT(
renderer, 1, codec.width, codec.height, kTimeout);
// Registering an external capturer is currently the same as screen casting
// (update the test when this changes).
rtc::scoped_ptr<cricket::FakeVideoCapturer> capturer(
CreateFakeVideoCapturer());
capturer->SetScreencast(true);
const std::vector<cricket::VideoFormat>* formats =
capturer->GetSupportedFormats();
cricket::VideoFormat capture_format = (*formats)[0];
EXPECT_EQ(cricket::CS_RUNNING, capturer->Start(capture_format));
// Capture frame to not get same frame timestamps as previous capturer.
capturer->CaptureFrame();
EXPECT_TRUE(channel_->SetCapturer(kSsrc, capturer.get()));
EXPECT_TRUE(rtc::Thread::Current()->ProcessMessages(30));
EXPECT_TRUE(capturer->CaptureCustomFrame(kWidth, kHeight,
cricket::FOURCC_ARGB));
EXPECT_GT_FRAME_ON_RENDERER_WAIT(
renderer, 2, kScaledWidth, kScaledHeight, kTimeout);
EXPECT_TRUE(channel_->SetCapturer(kSsrc, NULL));
}
// Tests that we can adapt video resolution with 16:10 aspect ratio properly.
void AdaptResolution16x10() {
EXPECT_TRUE(channel_->SetRenderer(kDefaultReceiveSsrc, &renderer_));
cricket::VideoCodec codec(DefaultCodec());
codec.width = 640;
codec.height = 400;
SendAndReceive(codec);
codec.width /= 2;
codec.height /= 2;
// Adapt the resolution.
EXPECT_TRUE(SetOneCodec(codec));
EXPECT_TRUE(WaitAndSendFrame(30));
EXPECT_FRAME_WAIT(2, codec.width, codec.height, kTimeout);
}
// Tests that we can adapt video resolution with 4:3 aspect ratio properly.
void AdaptResolution4x3() {
EXPECT_TRUE(channel_->SetRenderer(kDefaultReceiveSsrc, &renderer_));
cricket::VideoCodec codec(DefaultCodec());
codec.width = 640;
codec.height = 400;
SendAndReceive(codec);
codec.width /= 2;
codec.height /= 2;
// Adapt the resolution.
EXPECT_TRUE(SetOneCodec(codec));
EXPECT_TRUE(WaitAndSendFrame(30));
EXPECT_FRAME_WAIT(2, codec.width, codec.height, kTimeout);
}
// Tests that we can drop all frames properly.
void AdaptDropAllFrames() {
// Set the channel codec's resolution to 0, which will require the adapter
// to drop all frames.
cricket::VideoCodec codec(DefaultCodec());
codec.width = codec.height = codec.framerate = 0;
EXPECT_TRUE(SetOneCodec(codec));
EXPECT_TRUE(SetSend(true));
EXPECT_TRUE(channel_->SetRender(true));
EXPECT_TRUE(channel_->SetRenderer(kDefaultReceiveSsrc, &renderer_));
EXPECT_EQ(0, renderer_.num_rendered_frames());
EXPECT_TRUE(SendFrame());
EXPECT_TRUE(SendFrame());
rtc::Thread::Current()->ProcessMessages(500);
EXPECT_EQ(0, renderer_.num_rendered_frames());
}
// Tests that we can reduce the frame rate on demand properly.
// TODO(fbarchard): This test is flakey on pulse. Fix and re-enable
void AdaptFramerate() {
cricket::VideoCodec codec(DefaultCodec());
int frame_count = 0;
// The capturer runs at 30 fps. The channel requires 30 fps.
EXPECT_TRUE(SetOneCodec(codec));
EXPECT_TRUE(SetSend(true));
EXPECT_TRUE(channel_->SetRender(true));
EXPECT_EQ(frame_count, renderer_.num_rendered_frames());
EXPECT_TRUE(WaitAndSendFrame(0)); // Should be rendered.
EXPECT_TRUE(WaitAndSendFrame(30)); // Should be rendered.
frame_count += 2;
EXPECT_FRAME_WAIT(frame_count, codec.width, codec.height, kTimeout);
rtc::scoped_ptr<const rtc::Buffer> p(GetRtpPacket(0));
EXPECT_EQ(codec.id, GetPayloadType(p.get()));
// The channel requires 15 fps.
codec.framerate = 15;
EXPECT_TRUE(SetOneCodec(codec));
EXPECT_TRUE(WaitAndSendFrame(0)); // Should be rendered.
EXPECT_TRUE(WaitAndSendFrame(30)); // Should be dropped.
EXPECT_TRUE(WaitAndSendFrame(30)); // Should be rendered.
frame_count += 2;
EXPECT_EQ_WAIT(frame_count, renderer_.num_rendered_frames(), kTimeout);
// The channel requires 10 fps.
codec.framerate = 10;
EXPECT_TRUE(SetOneCodec(codec));
EXPECT_TRUE(WaitAndSendFrame(0)); // Should be rendered.
EXPECT_TRUE(WaitAndSendFrame(30)); // Should be dropped.
EXPECT_TRUE(WaitAndSendFrame(30)); // Should be dropped.
EXPECT_TRUE(WaitAndSendFrame(30)); // Should be rendered.
frame_count += 2;
EXPECT_EQ_WAIT(frame_count, renderer_.num_rendered_frames(), kTimeout);
// The channel requires 8 fps. The adapter adapts to 10 fps, which is the
// closest factor of 30.
codec.framerate = 8;
EXPECT_TRUE(SetOneCodec(codec));
EXPECT_TRUE(WaitAndSendFrame(0)); // Should be rendered.
EXPECT_TRUE(WaitAndSendFrame(30)); // Should be dropped.
EXPECT_TRUE(WaitAndSendFrame(30)); // Should be dropped.
EXPECT_TRUE(WaitAndSendFrame(30)); // Should be rendered.
frame_count += 2;
EXPECT_EQ_WAIT(frame_count, renderer_.num_rendered_frames(), kTimeout);
}
// Tests that adapted frames won't be upscaled to a higher resolution.
void SendsLowerResolutionOnSmallerFrames() {
cricket::VideoCodec codec = DefaultCodec();
codec.width = 320;
codec.height = 240;
EXPECT_TRUE(SetOneCodec(codec));
EXPECT_TRUE(SetSend(true));
EXPECT_TRUE(channel_->SetRender(true));
EXPECT_TRUE(channel_->SetRenderer(kDefaultReceiveSsrc, &renderer_));
EXPECT_EQ(0, renderer_.num_rendered_frames());
EXPECT_TRUE(SendFrame());
EXPECT_FRAME_WAIT(1, codec.width, codec.height, kTimeout);
// Check that we send smaller frames at the new resolution.
EXPECT_TRUE(rtc::Thread::Current()->ProcessMessages(33));
EXPECT_TRUE(video_capturer_->CaptureCustomFrame(
codec.width / 2, codec.height / 2, cricket::FOURCC_I420));
EXPECT_FRAME_WAIT(2, codec.width / 2, codec.height / 2, kTimeout);
}
// Tests that we can set the send stream format properly.
void SetSendStreamFormat() {
cricket::VideoCodec codec(DefaultCodec());
SendAndReceive(codec);
int frame_count = 1;
EXPECT_FRAME_WAIT(frame_count, codec.width, codec.height, kTimeout);
// Adapt the resolution and frame rate to half.
cricket::VideoFormat format(
codec.width / 2,
codec.height / 2,
cricket::VideoFormat::FpsToInterval(codec.framerate / 2),
cricket::FOURCC_I420);
// The SSRC differs from the send SSRC.
EXPECT_FALSE(channel_->SetSendStreamFormat(kSsrc - 1, format));
EXPECT_TRUE(channel_->SetSendStreamFormat(kSsrc, format));
EXPECT_TRUE(WaitAndSendFrame(30)); // Should be dropped.
EXPECT_TRUE(WaitAndSendFrame(30)); // Should be rendered.
EXPECT_TRUE(WaitAndSendFrame(30)); // Should be dropped.
frame_count += 1;
EXPECT_FRAME_WAIT(frame_count, format.width, format.height, kTimeout);
// Adapt the resolution to 0x0, which should drop all frames.
format.width = 0;
format.height = 0;
EXPECT_TRUE(channel_->SetSendStreamFormat(kSsrc, format));
EXPECT_TRUE(SendFrame());
EXPECT_TRUE(SendFrame());
rtc::Thread::Current()->ProcessMessages(500);
EXPECT_EQ(frame_count, renderer_.num_rendered_frames());
}
// Test that setting send stream format to 0x0 resolution will result in
// frames being dropped.
void SetSendStreamFormat0x0() {
EXPECT_TRUE(SetOneCodec(DefaultCodec()));
EXPECT_TRUE(SetSendStreamFormat(kSsrc, DefaultCodec()));
EXPECT_TRUE(SetSend(true));
EXPECT_TRUE(channel_->SetRender(true));
EXPECT_TRUE(channel_->SetRenderer(kDefaultReceiveSsrc, &renderer_));
EXPECT_EQ(0, renderer_.num_rendered_frames());
// This frame should be received.
EXPECT_TRUE(SendFrame());
EXPECT_FRAME_WAIT(1, DefaultCodec().width, DefaultCodec().height, kTimeout);
const int64 interval = cricket::VideoFormat::FpsToInterval(
DefaultCodec().framerate);
cricket::VideoFormat format(
0,
0,
interval,
cricket::FOURCC_I420);
EXPECT_TRUE(channel_->SetSendStreamFormat(kSsrc, format));
// This frame should not be received.
EXPECT_TRUE(WaitAndSendFrame(
static_cast<int>(interval/rtc::kNumNanosecsPerMillisec)));
rtc::Thread::Current()->ProcessMessages(500);
EXPECT_EQ(1, renderer_.num_rendered_frames());
}
// Tests that we can mute and unmute the channel properly.
void MuteStream() {
EXPECT_TRUE(SetDefaultCodec());
cricket::FakeVideoCapturer video_capturer;
video_capturer.Start(
cricket::VideoFormat(
640, 480,
cricket::VideoFormat::FpsToInterval(30),
cricket::FOURCC_I420));
EXPECT_TRUE(channel_->SetCapturer(kSsrc, &video_capturer));
EXPECT_TRUE(SetSend(true));
EXPECT_TRUE(channel_->SetRender(true));
EXPECT_TRUE(channel_->SetRenderer(kDefaultReceiveSsrc, &renderer_));
EXPECT_EQ(0, renderer_.num_rendered_frames());
// Mute the channel and expect black output frame.
int frame_count = 0;
EXPECT_TRUE(channel_->MuteStream(kSsrc, true));
EXPECT_TRUE(video_capturer.CaptureFrame());
++frame_count;
EXPECT_EQ_WAIT(frame_count, renderer_.num_rendered_frames(), kTimeout);
EXPECT_TRUE(renderer_.black_frame());
// Unmute the channel and expect non-black output frame.
EXPECT_TRUE(channel_->MuteStream(kSsrc, false));
EXPECT_TRUE(rtc::Thread::Current()->ProcessMessages(30));
EXPECT_TRUE(video_capturer.CaptureFrame());
++frame_count;
EXPECT_EQ_WAIT(frame_count, renderer_.num_rendered_frames(), kTimeout);
EXPECT_FALSE(renderer_.black_frame());
// Test that we can also Mute using the correct send stream SSRC.
EXPECT_TRUE(channel_->MuteStream(kSsrc, true));
EXPECT_TRUE(rtc::Thread::Current()->ProcessMessages(30));
EXPECT_TRUE(video_capturer.CaptureFrame());
++frame_count;
EXPECT_EQ_WAIT(frame_count, renderer_.num_rendered_frames(), kTimeout);
EXPECT_TRUE(renderer_.black_frame());
EXPECT_TRUE(channel_->MuteStream(kSsrc, false));
EXPECT_TRUE(rtc::Thread::Current()->ProcessMessages(30));
EXPECT_TRUE(video_capturer.CaptureFrame());
++frame_count;
EXPECT_EQ_WAIT(frame_count, renderer_.num_rendered_frames(), kTimeout);
EXPECT_FALSE(renderer_.black_frame());
// Test that muting an existing stream succeeds even if it's muted.
EXPECT_TRUE(channel_->MuteStream(kSsrc, true));
EXPECT_TRUE(channel_->MuteStream(kSsrc, true));
// Test that unmuting an existing stream succeeds even if it's not muted.
EXPECT_TRUE(channel_->MuteStream(kSsrc, false));
EXPECT_TRUE(channel_->MuteStream(kSsrc, false));
// Test that muting an invalid stream fails.
EXPECT_FALSE(channel_->MuteStream(kSsrc+1, true));
EXPECT_TRUE(channel_->SetCapturer(kSsrc, NULL));
}
// Test that multiple send streams can be created and deleted properly.
void MultipleSendStreams() {
// Remove stream added in Setup. I.e. remove stream corresponding to default
// channel.
EXPECT_TRUE(channel_->RemoveSendStream(kSsrc));
const unsigned int kSsrcsSize = sizeof(kSsrcs4)/sizeof(kSsrcs4[0]);
for (unsigned int i = 0; i < kSsrcsSize; ++i) {
EXPECT_TRUE(channel_->AddSendStream(
cricket::StreamParams::CreateLegacy(kSsrcs4[i])));
}
// Delete one of the non default channel streams, let the destructor delete
// the remaining ones.
EXPECT_TRUE(channel_->RemoveSendStream(kSsrcs4[kSsrcsSize - 1]));
// Stream should already be deleted.
EXPECT_FALSE(channel_->RemoveSendStream(kSsrcs4[kSsrcsSize - 1]));
}
// Two streams one channel tests.
// Tests that we can send and receive frames.
void TwoStreamsSendAndReceive(const cricket::VideoCodec& codec) {
SetUpSecondStream();
// Test sending and receiving on first stream.
SendAndReceive(codec);
// Test sending and receiving on second stream.
EXPECT_EQ_WAIT(1, renderer2_.num_rendered_frames(), kTimeout);
EXPECT_EQ(2, NumRtpPackets());
EXPECT_EQ(1, renderer2_.num_rendered_frames());
}
// Set up 2 streams where the first stream uses the default channel.
// Then disconnect the first stream and verify default channel becomes
// available.
// Then add a new stream with |new_ssrc|. The new stream should re-use the
// default channel.
void TwoStreamsReUseFirstStream(const cricket::VideoCodec& codec) {
SetUpSecondStream();
// Default channel used by the first stream.
EXPECT_EQ(kSsrc, channel_->GetDefaultSendChannelSsrc());
EXPECT_TRUE(channel_->RemoveRecvStream(kSsrc));
EXPECT_FALSE(channel_->RemoveRecvStream(kSsrc));
EXPECT_TRUE(channel_->RemoveSendStream(kSsrc));
EXPECT_FALSE(channel_->RemoveSendStream(kSsrc));
// Default channel is no longer used by a stream.
EXPECT_EQ(0u, channel_->GetDefaultSendChannelSsrc());
uint32 new_ssrc = kSsrc + 100;
EXPECT_TRUE(channel_->AddSendStream(
cricket::StreamParams::CreateLegacy(new_ssrc)));
// Re-use default channel.
EXPECT_EQ(new_ssrc, channel_->GetDefaultSendChannelSsrc());
EXPECT_FALSE(channel_->AddSendStream(
cricket::StreamParams::CreateLegacy(new_ssrc)));
EXPECT_TRUE(channel_->AddRecvStream(
cricket::StreamParams::CreateLegacy(new_ssrc)));
EXPECT_TRUE(channel_->SetRenderer(new_ssrc, &renderer_));
EXPECT_FALSE(channel_->AddRecvStream(
cricket::StreamParams::CreateLegacy(new_ssrc)));
EXPECT_TRUE(channel_->SetCapturer(new_ssrc, video_capturer_.get()));
SendAndReceive(codec);
EXPECT_TRUE(channel_->RemoveSendStream(new_ssrc));
EXPECT_EQ(0u, channel_->GetDefaultSendChannelSsrc());
}
// Tests that we can send and receive frames with early receive.
void TwoStreamsSendAndUnsignalledRecv(const cricket::VideoCodec& codec) {
cricket::VideoOptions vmo;
vmo.conference_mode.Set(true);
vmo.unsignalled_recv_stream_limit.Set(1);
EXPECT_TRUE(channel_->SetOptions(vmo));
SetUpSecondStreamWithNoRecv();
// Test sending and receiving on first stream.
EXPECT_TRUE(channel_->SetRender(true));
Send(codec);
EXPECT_EQ_WAIT(2, NumRtpPackets(), kTimeout);
EXPECT_EQ_WAIT(1, renderer_.num_rendered_frames(), kTimeout);
// The first send is not expected to yield frames, because the ssrc
// is not signalled yet. With unsignalled recv enabled, we will drop frames
// instead of packets.
EXPECT_EQ(0, renderer2_.num_rendered_frames());
// Give a chance for the decoder to process before adding the receiver.
rtc::Thread::Current()->ProcessMessages(100);
// Test sending and receiving on second stream.
EXPECT_TRUE(channel_->AddRecvStream(
cricket::StreamParams::CreateLegacy(kSsrc + 2)));
EXPECT_TRUE(channel_->SetRenderer(kSsrc + 2, &renderer2_));
SendFrame();
EXPECT_EQ_WAIT(2, renderer_.num_rendered_frames(), kTimeout);
EXPECT_EQ(4, NumRtpPackets());
// The second send is expected to yield frame as the ssrc is signalled now.
// Decode should succeed here, though we received the key frame earlier.
// Without early recv, we would have dropped it and decoding would have
// failed.
EXPECT_EQ_WAIT(1, renderer2_.num_rendered_frames(), kTimeout);
}
// Tests that we cannot receive key frames with unsignalled recv disabled.
void TwoStreamsSendAndFailUnsignalledRecv(const cricket::VideoCodec& codec) {
cricket::VideoOptions vmo;
vmo.conference_mode.Set(true);
vmo.unsignalled_recv_stream_limit.Set(0);
EXPECT_TRUE(channel_->SetOptions(vmo));
SetUpSecondStreamWithNoRecv();
// Test sending and receiving on first stream.
EXPECT_TRUE(channel_->SetRender(true));
Send(codec);
EXPECT_EQ_WAIT(2, NumRtpPackets(), kTimeout);
rtc::Thread::Current()->ProcessMessages(100);
EXPECT_EQ_WAIT(1, renderer_.num_rendered_frames(), kTimeout);
EXPECT_EQ_WAIT(0, renderer2_.num_rendered_frames(), kTimeout);
// Give a chance for the decoder to process before adding the receiver.
rtc::Thread::Current()->ProcessMessages(10);
// Test sending and receiving on second stream.
EXPECT_TRUE(channel_->AddRecvStream(
cricket::StreamParams::CreateLegacy(kSsrc + 2)));
EXPECT_TRUE(channel_->SetRenderer(kSsrc + 2, &renderer2_));
SendFrame();
EXPECT_TRUE_WAIT(renderer_.num_rendered_frames() >= 1, kTimeout);
EXPECT_EQ_WAIT(4, NumRtpPackets(), kTimeout);
// We dont expect any frames here, because the key frame would have been
// lost in the earlier packet. This is the case we want to solve with early
// receive.
EXPECT_EQ(0, renderer2_.num_rendered_frames());
}
// Tests that we drop key frames when conference mode is disabled and we
// receive rtp packets on unsignalled streams.
void TwoStreamsSendAndFailUnsignalledRecvInOneToOne(
const cricket::VideoCodec& codec) {
cricket::VideoOptions vmo;
vmo.conference_mode.Set(false);
vmo.unsignalled_recv_stream_limit.Set(1);
EXPECT_TRUE(channel_->SetOptions(vmo));
SetUpSecondStreamWithNoRecv();
// Test sending and receiving on first stream.
EXPECT_TRUE(channel_->SetRender(true));
Send(codec);
EXPECT_EQ_WAIT(2, NumRtpPackets(), kTimeout);
// In one-to-one mode, we deliver frames to the default channel if there
// is no registered recv channel for the ssrc.
EXPECT_TRUE_WAIT(renderer_.num_rendered_frames() >= 1, kTimeout);
// Give a chance for the decoder to process before adding the receiver.
rtc::Thread::Current()->ProcessMessages(100);
// Test sending and receiving on second stream.
EXPECT_TRUE(channel_->AddRecvStream(
cricket::StreamParams::CreateLegacy(kSsrc + 2)));
EXPECT_TRUE(channel_->SetRenderer(kSsrc + 2, &renderer2_));
SendFrame();
EXPECT_TRUE_WAIT(renderer_.num_rendered_frames() >= 1, kTimeout);
EXPECT_EQ_WAIT(4, NumRtpPackets(), kTimeout);
// We dont expect any frames here, because the key frame would have been
// delivered to default channel.
EXPECT_EQ(0, renderer2_.num_rendered_frames());
}
// Tests that we drop key frames when conference mode is enabled and we
// receive rtp packets on unsignalled streams. Removal of a unsignalled recv
// stream is successful.
void TwoStreamsAddAndRemoveUnsignalledRecv(
const cricket::VideoCodec& codec) {
cricket::VideoOptions vmo;
vmo.conference_mode.Set(true);
vmo.unsignalled_recv_stream_limit.Set(1);
EXPECT_TRUE(channel_->SetOptions(vmo));
SetUpSecondStreamWithNoRecv();
// Sending and receiving on first stream.
EXPECT_TRUE(channel_->SetRender(true));
Send(codec);
EXPECT_EQ_WAIT(2, NumRtpPackets(), kTimeout);
EXPECT_EQ_WAIT(1, renderer_.num_rendered_frames(), kTimeout);
// The first send is not expected to yield frames, because the ssrc
// is no signalled yet. With unsignalled recv enabled, we will drop frames
// instead of packets.
EXPECT_EQ(0, renderer2_.num_rendered_frames());
// Give a chance for the decoder to process before adding the receiver.
rtc::Thread::Current()->ProcessMessages(100);
// Ensure that we can remove the unsignalled recv stream that was created
// when the first video packet with unsignalled recv ssrc is received.
EXPECT_TRUE(channel_->RemoveRecvStream(kSsrc + 2));
}
VideoEngineOverride<E> engine_;
rtc::scoped_ptr<cricket::FakeVideoCapturer> video_capturer_;
rtc::scoped_ptr<cricket::FakeVideoCapturer> video_capturer_2_;
rtc::scoped_ptr<C> channel_;
cricket::FakeNetworkInterface network_interface_;
cricket::FakeVideoRenderer renderer_;
cricket::VideoMediaChannel::Error media_error_;
// Used by test cases where 2 streams are run on the same channel.
cricket::FakeVideoRenderer renderer2_;
};
#endif // TALK_MEDIA_BASE_VIDEOENGINE_UNITTEST_H_ NOLINT