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-rw-r--r--common_types.h37
-rw-r--r--modules/interface/module_common_types.h2
-rw-r--r--modules/remote_bitrate_estimator/remote_bitrate_estimator_single_stream.cc5
-rw-r--r--modules/rtp_rtcp/source/rtp_utility.cc4
-rw-r--r--system_wrappers/source/trace_impl.cc7
-rw-r--r--video/bitrate_estimator_tests.cc285
-rw-r--r--video/call_tests.cc4
-rw-r--r--video/rampup_tests.cc8
-rw-r--r--video/video_receive_stream.cc14
-rw-r--r--video/video_send_stream.cc2
-rw-r--r--video/video_send_stream_tests.cc12
-rw-r--r--video_engine/vie_channel.cc6
-rw-r--r--video_engine/vie_channel.h1
-rw-r--r--video_engine/vie_channel_group.cc79
-rw-r--r--video_engine/vie_channel_group.h3
-rw-r--r--video_engine/vie_channel_manager.cc31
-rw-r--r--video_engine/vie_channel_manager.h4
-rw-r--r--video_engine/vie_rtp_rtcp_impl.cc12
-rw-r--r--webrtc_tests.gypi1
19 files changed, 412 insertions, 105 deletions
diff --git a/common_types.h b/common_types.h
index bcdb5e88..3d47b861 100644
--- a/common_types.h
+++ b/common_types.h
@@ -69,27 +69,28 @@ protected:
enum TraceModule
{
- kTraceUndefined = 0,
+ kTraceUndefined = 0,
// not a module, triggered from the engine code
- kTraceVoice = 0x0001,
+ kTraceVoice = 0x0001,
// not a module, triggered from the engine code
- kTraceVideo = 0x0002,
+ kTraceVideo = 0x0002,
// not a module, triggered from the utility code
- kTraceUtility = 0x0003,
- kTraceRtpRtcp = 0x0004,
- kTraceTransport = 0x0005,
- kTraceSrtp = 0x0006,
- kTraceAudioCoding = 0x0007,
- kTraceAudioMixerServer = 0x0008,
- kTraceAudioMixerClient = 0x0009,
- kTraceFile = 0x000a,
- kTraceAudioProcessing = 0x000b,
- kTraceVideoCoding = 0x0010,
- kTraceVideoMixer = 0x0011,
- kTraceAudioDevice = 0x0012,
- kTraceVideoRenderer = 0x0014,
- kTraceVideoCapture = 0x0015,
- kTraceVideoPreocessing = 0x0016
+ kTraceUtility = 0x0003,
+ kTraceRtpRtcp = 0x0004,
+ kTraceTransport = 0x0005,
+ kTraceSrtp = 0x0006,
+ kTraceAudioCoding = 0x0007,
+ kTraceAudioMixerServer = 0x0008,
+ kTraceAudioMixerClient = 0x0009,
+ kTraceFile = 0x000a,
+ kTraceAudioProcessing = 0x000b,
+ kTraceVideoCoding = 0x0010,
+ kTraceVideoMixer = 0x0011,
+ kTraceAudioDevice = 0x0012,
+ kTraceVideoRenderer = 0x0014,
+ kTraceVideoCapture = 0x0015,
+ kTraceVideoPreocessing = 0x0016,
+ kTraceRemoteBitrateEstimator = 0x0017,
};
enum TraceLevel
diff --git a/modules/interface/module_common_types.h b/modules/interface/module_common_types.h
index 67c6cb40..2494d68b 100644
--- a/modules/interface/module_common_types.h
+++ b/modules/interface/module_common_types.h
@@ -28,7 +28,9 @@
namespace webrtc {
struct RTPHeaderExtension {
+ bool hasTransmissionTimeOffset;
int32_t transmissionTimeOffset;
+ bool hasAbsoluteSendTime;
uint32_t absoluteSendTime;
};
diff --git a/modules/remote_bitrate_estimator/remote_bitrate_estimator_single_stream.cc b/modules/remote_bitrate_estimator/remote_bitrate_estimator_single_stream.cc
index 69b35c57..a544ee5d 100644
--- a/modules/remote_bitrate_estimator/remote_bitrate_estimator_single_stream.cc
+++ b/modules/remote_bitrate_estimator/remote_bitrate_estimator_single_stream.cc
@@ -17,6 +17,7 @@
#include "webrtc/system_wrappers/interface/clock.h"
#include "webrtc/system_wrappers/interface/critical_section_wrapper.h"
#include "webrtc/system_wrappers/interface/scoped_ptr.h"
+#include "webrtc/system_wrappers/interface/trace.h"
#include "webrtc/typedefs.h"
namespace webrtc {
@@ -225,6 +226,8 @@ RemoteBitrateEstimator* RemoteBitrateEstimatorFactory::Create(
RemoteBitrateObserver* observer,
Clock* clock,
uint32_t min_bitrate_bps) const {
+ WEBRTC_TRACE(kTraceStateInfo, kTraceRemoteBitrateEstimator, -1,
+ "RemoteBitrateEstimatorFactory: Instantiating.");
return new RemoteBitrateEstimatorSingleStream(observer, clock,
min_bitrate_bps);
}
@@ -233,6 +236,8 @@ RemoteBitrateEstimator* AbsoluteSendTimeRemoteBitrateEstimatorFactory::Create(
RemoteBitrateObserver* observer,
Clock* clock,
uint32_t min_bitrate_bps) const {
+ WEBRTC_TRACE(kTraceStateInfo, kTraceRemoteBitrateEstimator, -1,
+ "AbsoluteSendTimeRemoteBitrateEstimatorFactory: Instantiating.");
return new RemoteBitrateEstimatorSingleStream(observer, clock,
min_bitrate_bps);
}
diff --git a/modules/rtp_rtcp/source/rtp_utility.cc b/modules/rtp_rtcp/source/rtp_utility.cc
index f50b20a4..102ebecb 100644
--- a/modules/rtp_rtcp/source/rtp_utility.cc
+++ b/modules/rtp_rtcp/source/rtp_utility.cc
@@ -391,9 +391,11 @@ bool RTPHeaderParser::Parse(RTPHeader& header,
// If in effect, MAY be omitted for those packets for which the offset
// is zero.
+ header.extension.hasTransmissionTimeOffset = false;
header.extension.transmissionTimeOffset = 0;
// May not be present in packet.
+ header.extension.hasAbsoluteSendTime = false;
header.extension.absoluteSendTime = 0;
if (X) {
@@ -490,6 +492,7 @@ void RTPHeaderParser::ParseOneByteExtensionHeader(
// Negative offset, correct sign for Word24 to Word32.
header.extension.transmissionTimeOffset |= 0xFF000000;
}
+ header.extension.hasTransmissionTimeOffset = true;
break;
}
case kRtpExtensionAudioLevel: {
@@ -524,6 +527,7 @@ void RTPHeaderParser::ParseOneByteExtensionHeader(
absoluteSendTime += *ptr++ << 8;
absoluteSendTime += *ptr++;
header.extension.absoluteSendTime = absoluteSendTime;
+ header.extension.hasAbsoluteSendTime = true;
break;
}
default: {
diff --git a/system_wrappers/source/trace_impl.cc b/system_wrappers/source/trace_impl.cc
index 4d30bca8..8dbe76b1 100644
--- a/system_wrappers/source/trace_impl.cc
+++ b/system_wrappers/source/trace_impl.cc
@@ -273,6 +273,10 @@ int32_t TraceImpl::AddModuleAndId(char* trace_message,
sprintf(trace_message, " VIDEO PROC:%5ld %5ld;", id_engine,
id_channel);
break;
+ case kTraceRemoteBitrateEstimator:
+ sprintf(trace_message, " BWE RBE:%5ld %5ld;", id_engine,
+ id_channel);
+ break;
}
} else {
switch (module) {
@@ -332,6 +336,9 @@ int32_t TraceImpl::AddModuleAndId(char* trace_message,
case kTraceVideoPreocessing:
sprintf(trace_message, " VIDEO PROC:%11ld;", idl);
break;
+ case kTraceRemoteBitrateEstimator:
+ sprintf(trace_message, " BWE RBE:%11ld;", idl);
+ break;
}
}
return kMessageLength;
diff --git a/video/bitrate_estimator_tests.cc b/video/bitrate_estimator_tests.cc
new file mode 100644
index 00000000..2f829b8c
--- /dev/null
+++ b/video/bitrate_estimator_tests.cc
@@ -0,0 +1,285 @@
+/*
+ * Copyright (c) 2013 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+#include <functional>
+#include <list>
+#include <string>
+
+#include "testing/gtest/include/gtest/gtest.h"
+
+#include "webrtc/call.h"
+#include "webrtc/system_wrappers/interface/critical_section_wrapper.h"
+#include "webrtc/system_wrappers/interface/event_wrapper.h"
+#include "webrtc/system_wrappers/interface/scoped_ptr.h"
+#include "webrtc/test/direct_transport.h"
+#include "webrtc/test/fake_decoder.h"
+#include "webrtc/test/fake_encoder.h"
+#include "webrtc/test/frame_generator_capturer.h"
+
+namespace webrtc {
+
+static const int kTOFExtensionId = 4;
+static const int kASTExtensionId = 5;
+
+static unsigned int kDefaultTimeoutMs = 30 * 1000;
+static const uint32_t kSendSsrc = 0x654321;
+static const uint32_t kReceiverLocalSsrc = 0x123456;
+static const uint8_t kSendPayloadType = 125;
+
+class BitrateEstimatorTest : public ::testing::Test {
+ public:
+ BitrateEstimatorTest()
+ : receiver_trace_(),
+ send_transport_(),
+ receive_transport_(),
+ sender_call_(),
+ receiver_call_(),
+ fake_encoder_(Clock::GetRealTimeClock()),
+ fake_decoder_(),
+ send_config_(),
+ receive_config_(),
+ streams_() {
+ }
+
+ virtual ~BitrateEstimatorTest() {
+ EXPECT_TRUE(streams_.empty());
+ }
+
+ virtual void SetUp() {
+ // Create receiver call first so that we are guaranteed to have a trace
+ // callback when sender call is created.
+ Call::Config receiver_call_config(&receive_transport_);
+ receiver_call_config.trace_callback = &receiver_trace_;
+ receiver_call_.reset(Call::Create(receiver_call_config));
+
+ Call::Config sender_call_config(&send_transport_);
+ sender_call_.reset(Call::Create(sender_call_config));
+
+ send_transport_.SetReceiver(receiver_call_->Receiver());
+ receive_transport_.SetReceiver(sender_call_->Receiver());
+
+ send_config_ = sender_call_->GetDefaultSendConfig();
+ send_config_.rtp.ssrcs.push_back(kSendSsrc);
+ send_config_.encoder = &fake_encoder_;
+ send_config_.internal_source = false;
+ test::FakeEncoder::SetCodecSettings(&send_config_.codec, 1);
+ send_config_.codec.plType = kSendPayloadType;
+
+ receive_config_ = receiver_call_->GetDefaultReceiveConfig();
+ receive_config_.codecs.clear();
+ receive_config_.codecs.push_back(send_config_.codec);
+ ExternalVideoDecoder decoder;
+ decoder.decoder = &fake_decoder_;
+ decoder.payload_type = send_config_.codec.plType;
+ receive_config_.external_decoders.push_back(decoder);
+ receive_config_.rtp.remote_ssrc = send_config_.rtp.ssrcs[0];
+ receive_config_.rtp.local_ssrc = kReceiverLocalSsrc;
+ receive_config_.rtp.extensions.push_back(
+ RtpExtension(RtpExtension::kTOffset, kTOFExtensionId));
+ receive_config_.rtp.extensions.push_back(
+ RtpExtension(RtpExtension::kAbsSendTime, kASTExtensionId));
+ }
+
+ virtual void TearDown() {
+ std::for_each(streams_.begin(), streams_.end(),
+ std::mem_fun(&Stream::StopSending));
+
+ send_transport_.StopSending();
+ receive_transport_.StopSending();
+
+ while (!streams_.empty()) {
+ delete streams_.back();
+ streams_.pop_back();
+ }
+
+ // The TraceCallback instance MUST outlive Calls, destroy Calls explicitly.
+ receiver_call_.reset();
+ }
+
+ protected:
+ friend class Stream;
+
+ class TraceObserver : public TraceCallback {
+ public:
+ TraceObserver()
+ : crit_sect_(CriticalSectionWrapper::CreateCriticalSection()),
+ received_log_lines_(),
+ expected_log_lines_(),
+ done_(EventWrapper::Create()) {
+ }
+
+ void PushExpectedLogLine(const std::string& expected_log_line) {
+ CriticalSectionScoped cs(crit_sect_.get());
+ expected_log_lines_.push_back(expected_log_line);
+ }
+
+ virtual void Print(TraceLevel level,
+ const char* message,
+ int length) OVERRIDE {
+ CriticalSectionScoped cs(crit_sect_.get());
+ if (!(level & kTraceStateInfo)) {
+ return;
+ }
+ std::string msg(message);
+ if (msg.find("BitrateEstimator") != std::string::npos) {
+ received_log_lines_.push_back(msg);
+ }
+ int num_popped = 0;
+ while (!received_log_lines_.empty() && !expected_log_lines_.empty()) {
+ std::string a = received_log_lines_.front();
+ std::string b = expected_log_lines_.front();
+ received_log_lines_.pop_front();
+ expected_log_lines_.pop_front();
+ num_popped++;
+ EXPECT_TRUE(a.find(b) != std::string::npos);
+ }
+ if (expected_log_lines_.size() <= 0) {
+ if (num_popped > 0) {
+ done_->Set();
+ }
+ return;
+ }
+ }
+
+ EventTypeWrapper Wait() { return done_->Wait(kDefaultTimeoutMs); }
+
+ private:
+ typedef std::list<std::string> Strings;
+ scoped_ptr<CriticalSectionWrapper> crit_sect_;
+ Strings received_log_lines_;
+ Strings expected_log_lines_;
+ scoped_ptr<EventWrapper> done_;
+ };
+
+ class Stream {
+ public:
+ explicit Stream(BitrateEstimatorTest* test)
+ : test_(test),
+ is_sending_receiving_(false),
+ send_stream_(NULL),
+ receive_stream_(NULL),
+ frame_generator_capturer_() {
+ test_->send_config_.rtp.ssrcs[0]++;
+ send_stream_ =
+ test_->sender_call_->CreateVideoSendStream(test_->send_config_);
+ frame_generator_capturer_.reset(
+ test::FrameGeneratorCapturer::Create(send_stream_->Input(),
+ test_->send_config_.codec.width,
+ test_->send_config_.codec.height,
+ 30,
+ Clock::GetRealTimeClock()));
+ send_stream_->StartSending();
+ frame_generator_capturer_->Start();
+
+ test_->receive_config_.rtp.remote_ssrc = test_->send_config_.rtp.ssrcs[0];
+ test_->receive_config_.rtp.local_ssrc++;
+ receive_stream_ = test_->receiver_call_->CreateVideoReceiveStream(
+ test_->receive_config_);
+ receive_stream_->StartReceiving();
+
+ is_sending_receiving_ = true;
+ }
+
+ ~Stream() {
+ frame_generator_capturer_.reset(NULL);
+ test_->sender_call_->DestroyVideoSendStream(send_stream_);
+ send_stream_ = NULL;
+ test_->receiver_call_->DestroyVideoReceiveStream(receive_stream_);
+ receive_stream_ = NULL;
+ }
+
+ void StopSending() {
+ if (is_sending_receiving_) {
+ frame_generator_capturer_->Stop();
+ send_stream_->StopSending();
+ receive_stream_->StopReceiving();
+ is_sending_receiving_ = false;
+ }
+ }
+
+ private:
+ BitrateEstimatorTest* test_;
+ bool is_sending_receiving_;
+ VideoSendStream* send_stream_;
+ VideoReceiveStream* receive_stream_;
+ scoped_ptr<test::FrameGeneratorCapturer> frame_generator_capturer_;
+ };
+
+ TraceObserver receiver_trace_;
+ test::DirectTransport send_transport_;
+ test::DirectTransport receive_transport_;
+ scoped_ptr<Call> sender_call_;
+ scoped_ptr<Call> receiver_call_;
+ test::FakeEncoder fake_encoder_;
+ test::FakeDecoder fake_decoder_;
+ VideoSendStream::Config send_config_;
+ VideoReceiveStream::Config receive_config_;
+ std::vector<Stream*> streams_;
+};
+
+TEST_F(BitrateEstimatorTest, InstantiatesTOFPerDefault) {
+ send_config_.rtp.extensions.push_back(
+ RtpExtension(RtpExtension::kTOffset, kTOFExtensionId));
+ receiver_trace_.PushExpectedLogLine(
+ "RemoteBitrateEstimatorFactory: Instantiating.");
+ receiver_trace_.PushExpectedLogLine(
+ "RemoteBitrateEstimatorFactory: Instantiating.");
+ streams_.push_back(new Stream(this));
+ EXPECT_EQ(kEventSignaled, receiver_trace_.Wait());
+}
+
+TEST_F(BitrateEstimatorTest, SwitchesToAST) {
+ send_config_.rtp.extensions.push_back(
+ RtpExtension(RtpExtension::kTOffset, kTOFExtensionId));
+ receiver_trace_.PushExpectedLogLine(
+ "RemoteBitrateEstimatorFactory: Instantiating.");
+ receiver_trace_.PushExpectedLogLine(
+ "RemoteBitrateEstimatorFactory: Instantiating.");
+ streams_.push_back(new Stream(this));
+ EXPECT_EQ(kEventSignaled, receiver_trace_.Wait());
+
+ send_config_.rtp.extensions[0] =
+ RtpExtension(RtpExtension::kAbsSendTime, kASTExtensionId);
+ receiver_trace_.PushExpectedLogLine("Switching to absolute send time RBE.");
+ receiver_trace_.PushExpectedLogLine(
+ "AbsoluteSendTimeRemoteBitrateEstimatorFactory: Instantiating.");
+ streams_.push_back(new Stream(this));
+ EXPECT_EQ(kEventSignaled, receiver_trace_.Wait());
+}
+
+TEST_F(BitrateEstimatorTest, SwitchesToASTThenBackToTOF) {
+ send_config_.rtp.extensions.push_back(
+ RtpExtension(RtpExtension::kTOffset, kTOFExtensionId));
+ receiver_trace_.PushExpectedLogLine(
+ "RemoteBitrateEstimatorFactory: Instantiating.");
+ receiver_trace_.PushExpectedLogLine(
+ "RemoteBitrateEstimatorFactory: Instantiating.");
+ streams_.push_back(new Stream(this));
+ EXPECT_EQ(kEventSignaled, receiver_trace_.Wait());
+
+ send_config_.rtp.extensions[0] =
+ RtpExtension(RtpExtension::kAbsSendTime, kASTExtensionId);
+ receiver_trace_.PushExpectedLogLine("Switching to absolute send time RBE.");
+ receiver_trace_.PushExpectedLogLine(
+ "AbsoluteSendTimeRemoteBitrateEstimatorFactory: Instantiating.");
+ streams_.push_back(new Stream(this));
+ EXPECT_EQ(kEventSignaled, receiver_trace_.Wait());
+
+ send_config_.rtp.extensions[0] =
+ RtpExtension(RtpExtension::kTOffset, kTOFExtensionId);
+ receiver_trace_.PushExpectedLogLine(
+ "WrappingBitrateEstimator: Switching to transmission time offset RBE.");
+ receiver_trace_.PushExpectedLogLine(
+ "RemoteBitrateEstimatorFactory: Instantiating.");
+ streams_.push_back(new Stream(this));
+ streams_[0]->StopSending();
+ streams_[1]->StopSending();
+ EXPECT_EQ(kEventSignaled, receiver_trace_.Wait());
+}
+} // namespace webrtc
diff --git a/video/call_tests.cc b/video/call_tests.cc
index 96ad832d..2e902a4a 100644
--- a/video/call_tests.cc
+++ b/video/call_tests.cc
@@ -49,7 +49,7 @@ class CallTest : public ::testing::Test {
receive_stream_(NULL),
fake_encoder_(Clock::GetRealTimeClock()) {}
- ~CallTest() {
+ virtual ~CallTest() {
EXPECT_EQ(NULL, send_stream_);
EXPECT_EQ(NULL, receive_stream_);
}
@@ -861,7 +861,7 @@ TEST_F(CallTest, SendsAndReceivesMultipleStreams) {
sender_transport.StopSending();
receiver_transport.StopSending();
-}
+};
TEST_F(CallTest, ObserversEncodedFrames) {
class EncodedFrameTestObserver : public EncodedFrameObserver {
diff --git a/video/rampup_tests.cc b/video/rampup_tests.cc
index 08676a23..0386bd0b 100644
--- a/video/rampup_tests.cc
+++ b/video/rampup_tests.cc
@@ -36,7 +36,7 @@
namespace webrtc {
namespace {
- static const int kTOffsetExtensionId = 7;
+ static const int kAbsoluteSendTimeExtensionId = 7;
static const int kMaxPacketSize = 1500;
}
@@ -74,8 +74,8 @@ class StreamObserver : public newapi::Transport, public RemoteBitrateObserver {
rtp_rtcp_.reset(RtpRtcp::CreateRtpRtcp(config));
rtp_rtcp_->SetREMBStatus(true);
rtp_rtcp_->SetRTCPStatus(kRtcpNonCompound);
- rtp_parser_->RegisterRtpHeaderExtension(kRtpExtensionTransmissionTimeOffset,
- kTOffsetExtensionId);
+ rtp_parser_->RegisterRtpHeaderExtension(kRtpExtensionAbsoluteSendTime,
+ kAbsoluteSendTimeExtensionId);
AbsoluteSendTimeRemoteBitrateEstimatorFactory rbe_factory;
const uint32_t kRemoteBitrateEstimatorMinBitrateBps = 30000;
remote_bitrate_estimator_.reset(
@@ -220,7 +220,7 @@ class RampUpTest : public ::testing::TestWithParam<bool> {
kRtxSsrcs + kNumberOfStreams);
}
send_config.rtp.extensions.push_back(
- RtpExtension(RtpExtension::kTOffset, kTOffsetExtensionId));
+ RtpExtension(RtpExtension::kAbsSendTime, kAbsoluteSendTimeExtensionId));
VideoSendStream* send_stream = call->CreateVideoSendStream(send_config);
diff --git a/video/video_receive_stream.cc b/video/video_receive_stream.cc
index 31c85244..8d4dfd64 100644
--- a/video/video_receive_stream.cc
+++ b/video/video_receive_stream.cc
@@ -63,6 +63,20 @@ VideoReceiveStream::VideoReceiveStream(webrtc::VideoEngine* video_engine,
rtp_rtcp_->SetLocalSSRC(channel_, config_.rtp.local_ssrc);
rtp_rtcp_->SetRembStatus(channel_, false, config_.rtp.remb);
+ for (size_t i = 0; i < config_.rtp.extensions.size(); ++i) {
+ const std::string& extension = config_.rtp.extensions[i].name;
+ int id = config_.rtp.extensions[i].id;
+ if (extension == RtpExtension::kTOffset) {
+ if (rtp_rtcp_->SetReceiveTimestampOffsetStatus(channel_, true, id) != 0)
+ abort();
+ } else if (extension == RtpExtension::kAbsSendTime) {
+ if (rtp_rtcp_->SetReceiveAbsoluteSendTimeStatus(channel_, true, id) != 0)
+ abort();
+ } else {
+ abort(); // Unsupported extension.
+ }
+ }
+
network_ = ViENetwork::GetInterface(video_engine);
assert(network_ != NULL);
diff --git a/video/video_send_stream.cc b/video/video_send_stream.cc
index 713cdb91..e18b3462 100644
--- a/video/video_send_stream.cc
+++ b/video/video_send_stream.cc
@@ -10,8 +10,6 @@
#include "webrtc/video/video_send_stream.h"
-#include <string.h>
-
#include <string>
#include <vector>
diff --git a/video/video_send_stream_tests.cc b/video/video_send_stream_tests.cc
index ae33e81e..25f334f9 100644
--- a/video/video_send_stream_tests.cc
+++ b/video/video_send_stream_tests.cc
@@ -190,7 +190,7 @@ void VideoSendStreamTest::SendsSetSsrcs(size_t num_ssrcs,
frame_generator_capturer->Stop();
send_stream_->StopSending();
call->DestroyVideoSendStream(send_stream_);
-}
+};
TEST_F(VideoSendStreamTest, SendsSetSsrc) { SendsSetSsrcs(1, false); }
@@ -249,8 +249,11 @@ TEST_F(VideoSendStreamTest, SupportsAbsoluteSendTime) {
EXPECT_TRUE(
parser_->Parse(packet, static_cast<int>(length), &header));
- if (header.extension.absoluteSendTime > 0)
- observation_complete_->Set();
+ EXPECT_FALSE(header.extension.hasTransmissionTimeOffset);
+ EXPECT_TRUE(header.extension.hasAbsoluteSendTime);
+ EXPECT_EQ(header.extension.transmissionTimeOffset, 0);
+ EXPECT_GT(header.extension.absoluteSendTime, 0u);
+ observation_complete_->Set();
return SEND_PACKET;
}
@@ -294,7 +297,10 @@ TEST_F(VideoSendStreamTest, SupportsTransmissionTimeOffset) {
EXPECT_TRUE(
parser_->Parse(packet, static_cast<int>(length), &header));
+ EXPECT_TRUE(header.extension.hasTransmissionTimeOffset);
+ EXPECT_FALSE(header.extension.hasAbsoluteSendTime);
EXPECT_GT(header.extension.transmissionTimeOffset, 0);
+ EXPECT_EQ(header.extension.absoluteSendTime, 0u);
observation_complete_->Set();
return SEND_PACKET;
diff --git a/video_engine/vie_channel.cc b/video_engine/vie_channel.cc
index 44b90f41..2305ea78 100644
--- a/video_engine/vie_channel.cc
+++ b/video_engine/vie_channel.cc
@@ -92,7 +92,6 @@ ViEChannel::ViEChannel(int32_t channel_id,
bandwidth_observer_(bandwidth_observer),
send_timestamp_extension_id_(kInvalidRtpExtensionId),
absolute_send_time_extension_id_(kInvalidRtpExtensionId),
- receive_absolute_send_time_enabled_(false),
external_transport_(NULL),
decoder_reset_(true),
wait_for_key_frame_(false),
@@ -934,14 +933,9 @@ int ViEChannel::SetSendAbsoluteSendTimeStatus(bool enable, int id) {
}
int ViEChannel::SetReceiveAbsoluteSendTimeStatus(bool enable, int id) {
- receive_absolute_send_time_enabled_ = enable;
return vie_receiver_.SetReceiveAbsoluteSendTimeStatus(enable, id) ? 0 : -1;
}
-bool ViEChannel::GetReceiveAbsoluteSendTimeStatus() const {
- return receive_absolute_send_time_enabled_;
-}
-
void ViEChannel::SetRtcpXrRrtrStatus(bool enable) {
CriticalSectionScoped cs(rtp_rtcp_cs_.get());
rtp_rtcp_->SetRtcpXrRrtrStatus(enable);
diff --git a/video_engine/vie_channel.h b/video_engine/vie_channel.h
index de167312..33bf7bf2 100644
--- a/video_engine/vie_channel.h
+++ b/video_engine/vie_channel.h
@@ -396,7 +396,6 @@ class ViEChannel
scoped_ptr<RtcpBandwidthObserver> bandwidth_observer_;
int send_timestamp_extension_id_;
int absolute_send_time_extension_id_;
- bool receive_absolute_send_time_enabled_;
bool using_packet_spread_;
Transport* external_transport_;
diff --git a/video_engine/vie_channel_group.cc b/video_engine/vie_channel_group.cc
index d90d7c2d..f079a10e 100644
--- a/video_engine/vie_channel_group.cc
+++ b/video_engine/vie_channel_group.cc
@@ -16,6 +16,7 @@
#include "webrtc/modules/rtp_rtcp/interface/rtp_rtcp.h"
#include "webrtc/modules/utility/interface/process_thread.h"
#include "webrtc/system_wrappers/interface/critical_section_wrapper.h"
+#include "webrtc/system_wrappers/interface/trace.h"
#include "webrtc/video_engine/call_stats.h"
#include "webrtc/video_engine/encoder_state_feedback.h"
#include "webrtc/video_engine/vie_channel.h"
@@ -25,18 +26,22 @@
namespace webrtc {
namespace {
+static const uint32_t kTimeOffsetSwitchThreshold = 30;
+
class WrappingBitrateEstimator : public RemoteBitrateEstimator {
public:
- WrappingBitrateEstimator(RemoteBitrateObserver* observer, Clock* clock,
- ProcessThread* process_thread)
+ WrappingBitrateEstimator(int engine_id, RemoteBitrateObserver* observer,
+ Clock* clock, ProcessThread* process_thread)
: observer_(observer),
clock_(clock),
process_thread_(process_thread),
crit_sect_(CriticalSectionWrapper::CreateCriticalSection()),
+ engine_id_(engine_id),
min_bitrate_bps_(30000),
rbe_(RemoteBitrateEstimatorFactory().Create(observer_, clock_,
min_bitrate_bps_)),
- receive_absolute_send_time_(false) {
+ using_absolute_send_time_(false),
+ packets_since_absolute_send_time_(0) {
assert(process_thread_ != NULL);
process_thread_->RegisterModule(rbe_.get());
}
@@ -44,29 +49,11 @@ class WrappingBitrateEstimator : public RemoteBitrateEstimator {
process_thread_->DeRegisterModule(rbe_.get());
}
- void SetReceiveAbsoluteSendTimeStatus(bool enable) {
- CriticalSectionScoped cs(crit_sect_.get());
- if (enable == receive_absolute_send_time_) {
- return;
- }
-
- process_thread_->DeRegisterModule(rbe_.get());
- if (enable) {
- rbe_.reset(AbsoluteSendTimeRemoteBitrateEstimatorFactory().Create(
- observer_, clock_, min_bitrate_bps_));
- } else {
- rbe_.reset(RemoteBitrateEstimatorFactory().Create(observer_, clock_,
- min_bitrate_bps_));
- }
- process_thread_->RegisterModule(rbe_.get());
-
- receive_absolute_send_time_ = enable;
- }
-
virtual void IncomingPacket(int64_t arrival_time_ms,
int payload_size,
const RTPHeader& header) {
CriticalSectionScoped cs(crit_sect_.get());
+ PickEstimator(header);
rbe_->IncomingPacket(arrival_time_ms, payload_size, header);
}
@@ -97,25 +84,60 @@ class WrappingBitrateEstimator : public RemoteBitrateEstimator {
}
private:
+ // Instantiate RBE for Time Offset or Absolute Send Time extensions.
+ void PickEstimator(const RTPHeader& header) {
+ if (header.extension.hasAbsoluteSendTime) {
+ // If we see AST in header, switch RBE strategy immediately.
+ if (!using_absolute_send_time_) {
+ process_thread_->DeRegisterModule(rbe_.get());
+ WEBRTC_TRACE(kTraceStateInfo, kTraceVideo, ViEId(engine_id_),
+ "WrappingBitrateEstimator: Switching to absolute send time RBE.");
+ rbe_.reset(AbsoluteSendTimeRemoteBitrateEstimatorFactory().Create(
+ observer_, clock_, min_bitrate_bps_));
+ process_thread_->RegisterModule(rbe_.get());
+ using_absolute_send_time_ = true;
+ }
+ packets_since_absolute_send_time_ = 0;
+ } else {
+ // When we don't see AST, wait for a few packets before going back to TOF.
+ if (using_absolute_send_time_) {
+ ++packets_since_absolute_send_time_;
+ if (packets_since_absolute_send_time_ >= kTimeOffsetSwitchThreshold) {
+ process_thread_->DeRegisterModule(rbe_.get());
+ WEBRTC_TRACE(kTraceStateInfo, kTraceVideo, ViEId(engine_id_),
+ "WrappingBitrateEstimator: Switching to transmission time offset "
+ "RBE.");
+ rbe_.reset(RemoteBitrateEstimatorFactory().Create(observer_, clock_,
+ min_bitrate_bps_));
+ process_thread_->RegisterModule(rbe_.get());
+ using_absolute_send_time_ = false;
+ }
+ }
+ }
+ }
+
RemoteBitrateObserver* observer_;
Clock* clock_;
ProcessThread* process_thread_;
scoped_ptr<CriticalSectionWrapper> crit_sect_;
+ const int engine_id_;
const uint32_t min_bitrate_bps_;
scoped_ptr<RemoteBitrateEstimator> rbe_;
- bool receive_absolute_send_time_;
+ bool using_absolute_send_time_;
+ uint32_t packets_since_absolute_send_time_;
DISALLOW_IMPLICIT_CONSTRUCTORS(WrappingBitrateEstimator);
};
} // namespace
-ChannelGroup::ChannelGroup(ProcessThread* process_thread,
+ChannelGroup::ChannelGroup(int engine_id, ProcessThread* process_thread,
const Config& config)
: remb_(new VieRemb()),
bitrate_controller_(BitrateController::CreateBitrateController(true)),
call_stats_(new CallStats()),
- remote_bitrate_estimator_(new WrappingBitrateEstimator(remb_.get(),
- Clock::GetRealTimeClock(), process_thread)),
+ remote_bitrate_estimator_(new WrappingBitrateEstimator(engine_id,
+ remb_.get(), Clock::GetRealTimeClock(),
+ process_thread)),
encoder_state_feedback_(new EncoderStateFeedback()),
process_thread_(process_thread) {
call_stats_->RegisterStatsObserver(remote_bitrate_estimator_.get());
@@ -186,9 +208,4 @@ bool ChannelGroup::SetChannelRembStatus(int channel_id, bool sender,
}
return true;
}
-
-void ChannelGroup::SetReceiveAbsoluteSendTimeStatus(bool enable) {
- static_cast<WrappingBitrateEstimator*>(remote_bitrate_estimator_.get())->
- SetReceiveAbsoluteSendTimeStatus(enable);
-}
} // namespace webrtc
diff --git a/video_engine/vie_channel_group.h b/video_engine/vie_channel_group.h
index d46a30a7..95a042ef 100644
--- a/video_engine/vie_channel_group.h
+++ b/video_engine/vie_channel_group.h
@@ -31,7 +31,7 @@ class VieRemb;
// group are assumed to send/receive data to the same end-point.
class ChannelGroup {
public:
- ChannelGroup(ProcessThread* process_thread,
+ ChannelGroup(int engine_id, ProcessThread* process_thread,
const Config& config);
~ChannelGroup();
@@ -42,7 +42,6 @@ class ChannelGroup {
bool SetChannelRembStatus(int channel_id, bool sender, bool receiver,
ViEChannel* channel);
- void SetReceiveAbsoluteSendTimeStatus(bool enable);
BitrateController* GetBitrateController();
CallStats* GetCallStats();
diff --git a/video_engine/vie_channel_manager.cc b/video_engine/vie_channel_manager.cc
index 5fdbde5b..b62e2829 100644
--- a/video_engine/vie_channel_manager.cc
+++ b/video_engine/vie_channel_manager.cc
@@ -89,7 +89,7 @@ int ViEChannelManager::CreateChannel(int* channel_id) {
}
// Create a new channel group and add this channel.
- ChannelGroup* group = new ChannelGroup(module_process_thread_,
+ ChannelGroup* group = new ChannelGroup(engine_id_, module_process_thread_,
config_);
BitrateController* bitrate_controller = group->GetBitrateController();
ViEEncoder* vie_encoder = new ViEEncoder(engine_id_, new_channel_id,
@@ -366,35 +366,6 @@ bool ViEChannelManager::SetRembStatus(int channel_id, bool sender,
return group->SetChannelRembStatus(channel_id, sender, receiver, channel);
}
-bool ViEChannelManager::SetReceiveAbsoluteSendTimeStatus(int channel_id,
- bool enable,
- int id) {
- CriticalSectionScoped cs(channel_id_critsect_);
- ViEChannel* channel = ViEChannelPtr(channel_id);
- if (!channel) {
- return false;
- }
- if (channel->SetReceiveAbsoluteSendTimeStatus(enable, id) != 0) {
- return false;
- }
-
- // Enable absolute send time extension on the group if at least one of the
- // channels use it.
- ChannelGroup* group = FindGroup(channel_id);
- assert(group);
- bool any_enabled = false;
- for (ChannelMap::const_iterator c_it = channel_map_.begin();
- c_it != channel_map_.end(); ++c_it) {
- if (group->HasChannel(c_it->first) &&
- c_it->second->GetReceiveAbsoluteSendTimeStatus()) {
- any_enabled = true;
- break;
- }
- }
- group->SetReceiveAbsoluteSendTimeStatus(any_enabled);
- return true;
-}
-
void ViEChannelManager::UpdateSsrcs(int channel_id,
const std::list<unsigned int>& ssrcs) {
CriticalSectionScoped cs(channel_id_critsect_);
diff --git a/video_engine/vie_channel_manager.h b/video_engine/vie_channel_manager.h
index 9776435f..db9eb113 100644
--- a/video_engine/vie_channel_manager.h
+++ b/video_engine/vie_channel_manager.h
@@ -74,10 +74,6 @@ class ViEChannelManager: private ViEManagerBase {
// Adds a channel to include when sending REMB.
bool SetRembStatus(int channel_id, bool sender, bool receiver);
- // Switches a channel and its associated group to use (or not) the absolute
- // send time header extension with |id|.
- bool SetReceiveAbsoluteSendTimeStatus(int channel_id, bool enable, int id);
-
// Updates the SSRCs for a channel. If one of the SSRCs already is registered,
// it will simply be ignored and no error is returned.
void UpdateSsrcs(int channel_id, const std::list<unsigned int>& ssrcs);
diff --git a/video_engine/vie_rtp_rtcp_impl.cc b/video_engine/vie_rtp_rtcp_impl.cc
index e07ab6c1..2bd47bec 100644
--- a/video_engine/vie_rtp_rtcp_impl.cc
+++ b/video_engine/vie_rtp_rtcp_impl.cc
@@ -796,8 +796,16 @@ int ViERTP_RTCPImpl::SetReceiveAbsoluteSendTimeStatus(int video_channel,
ViEId(shared_data_->instance_id(), video_channel),
"ViERTP_RTCPImpl::SetReceiveAbsoluteSendTimeStatus(%d, %d, %d)",
video_channel, enable, id);
- if (!shared_data_->channel_manager()->SetReceiveAbsoluteSendTimeStatus(
- video_channel, enable, id)) {
+ ViEChannelManagerScoped cs(*(shared_data_->channel_manager()));
+ ViEChannel* vie_channel = cs.Channel(video_channel);
+ if (!vie_channel) {
+ WEBRTC_TRACE(kTraceError, kTraceVideo,
+ ViEId(shared_data_->instance_id(), video_channel),
+ "%s: Channel %d doesn't exist", __FUNCTION__, video_channel);
+ shared_data_->SetLastError(kViERtpRtcpInvalidChannelId);
+ return -1;
+ }
+ if (vie_channel->SetReceiveAbsoluteSendTimeStatus(enable, id) != 0) {
shared_data_->SetLastError(kViERtpRtcpUnknownError);
return -1;
}
diff --git a/webrtc_tests.gypi b/webrtc_tests.gypi
index 17ff23ec..0d2b30ee 100644
--- a/webrtc_tests.gypi
+++ b/webrtc_tests.gypi
@@ -33,6 +33,7 @@
'target_name': 'video_engine_tests',
'type': '<(gtest_target_type)',
'sources': [
+ 'video/bitrate_estimator_tests.cc',
'video/call_tests.cc',
'video/video_send_stream_tests.cc',
'test/common_unittest.cc',
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-26 01:59:56 +0000