Cast:Adding signaling and infrastructure for adjustable delay

media/cast/rtcp/rtcp_sender_unittest.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/memory/scoped_ptr.h"
 #include "base/test/simple_test_tick_clock.h"
 #include "media/cast/cast_defines.h"
 #include "media/cast/cast_environment.h"
 #include "media/cast/rtcp/receiver_rtcp_event_subscriber.h"
 #include "media/cast/rtcp/rtcp_sender.h"
 #include "media/cast/rtcp/rtcp_utility.h"
 #include "media/cast/rtcp/test_rtcp_packet_builder.h"
 #include "media/cast/test/fake_single_thread_task_runner.h"
 #include "media/cast/transport/cast_transport_defines.h"
 #include "media/cast/transport/pacing/paced_sender.h"
 #include "testing/gmock/include/gmock/gmock.h"
 
 namespace media {
 namespace cast {
 
 namespace {
 static const uint32 kSendingSsrc = 0x12345678;
 static const uint32 kMediaSsrc = 0x87654321;
+static const int16 kDefaultDelay = 100;
 static const std::string kCName("test@10.1.1.1");
 
 transport::RtcpReportBlock GetReportBlock() {
   transport::RtcpReportBlock report_block;
   // Initialize remote_ssrc to a "clearly illegal" value.
   report_block.remote_ssrc = 0xDEAD;
   report_block.media_ssrc = kMediaSsrc;  // SSRC of the RTP packet sender.
   report_block.fraction_lost = kLoss >> 24;
   report_block.cumulative_lost = kLoss;  // 24 bits valid.
   report_block.extended_high_sequence_number = kExtendedMax;
@@ skipping 64 matching lines @@
 };
 
 TEST_F(RtcpSenderTest, RtcpReceiverReport) {
   // Empty receiver report + c_name.
   TestRtcpPacketBuilder p1;
   p1.AddRr(kSendingSsrc, 0);
   p1.AddSdesCname(kSendingSsrc, kCName);
   test_transport_.SetExpectedRtcpPacket(p1.GetPacket());
 
   rtcp_sender_->SendRtcpFromRtpReceiver(
-      RtcpSender::kRtcpRr, NULL, NULL, NULL, NULL);
+      transport::kRtcpRr, NULL, NULL, NULL, NULL, kDefaultDelay);
 
   EXPECT_EQ(1, test_transport_.packet_count());
 
   // Receiver report with report block + c_name.
   TestRtcpPacketBuilder p2;
   p2.AddRr(kSendingSsrc, 1);
   p2.AddRb(kMediaSsrc);
   p2.AddSdesCname(kSendingSsrc, kCName);
   test_transport_.SetExpectedRtcpPacket(p2.GetPacket().Pass());
 
   transport::RtcpReportBlock report_block = GetReportBlock();
 
   rtcp_sender_->SendRtcpFromRtpReceiver(
-      RtcpSender::kRtcpRr, &report_block, NULL, NULL, NULL);
+      transport::kRtcpRr, &report_block, NULL, NULL, NULL, kDefaultDelay);
 
   EXPECT_EQ(2, test_transport_.packet_count());
 }
 
 TEST_F(RtcpSenderTest, RtcpReceiverReportWithRrtr) {
   // Receiver report with report block + c_name.
   TestRtcpPacketBuilder p;
   p.AddRr(kSendingSsrc, 1);
   p.AddRb(kMediaSsrc);
   p.AddSdesCname(kSendingSsrc, kCName);
   p.AddXrHeader(kSendingSsrc);
   p.AddXrRrtrBlock();
   test_transport_.SetExpectedRtcpPacket(p.GetPacket().Pass());
 
   transport::RtcpReportBlock report_block = GetReportBlock();
 
   RtcpReceiverReferenceTimeReport rrtr;
   rrtr.ntp_seconds = kNtpHigh;
   rrtr.ntp_fraction = kNtpLow;
 
   rtcp_sender_->SendRtcpFromRtpReceiver(
-      RtcpSender::kRtcpRr | RtcpSender::kRtcpRrtr,
+      transport::kRtcpRr | transport::kRtcpRrtr,
       &report_block,
       &rrtr,
       NULL,
-      NULL);
+      NULL,
+      kDefaultDelay);
 
   EXPECT_EQ(1, test_transport_.packet_count());
 }
 
 TEST_F(RtcpSenderTest, RtcpReceiverReportWithCast) {
   // Receiver report with report block + c_name.
   TestRtcpPacketBuilder p;
   p.AddRr(kSendingSsrc, 1);
   p.AddRb(kMediaSsrc);
   p.AddSdesCname(kSendingSsrc, kCName);
-  p.AddCast(kSendingSsrc, kMediaSsrc);
+  p.AddCast(kSendingSsrc, kMediaSsrc, kDefaultDelay);
   test_transport_.SetExpectedRtcpPacket(p.GetPacket().Pass());
 
   transport::RtcpReportBlock report_block = GetReportBlock();
 
   RtcpCastMessage cast_message(kMediaSsrc);
   cast_message.ack_frame_id_ = kAckFrameId;
   PacketIdSet missing_packets;
   cast_message.missing_frames_and_packets_[kLostFrameId] = missing_packets;
 
   missing_packets.insert(kLostPacketId1);
   missing_packets.insert(kLostPacketId2);
   missing_packets.insert(kLostPacketId3);
   cast_message.missing_frames_and_packets_[kFrameIdWithLostPackets] =
       missing_packets;
 
   rtcp_sender_->SendRtcpFromRtpReceiver(
-      RtcpSender::kRtcpRr | RtcpSender::kRtcpCast,
+      transport::kRtcpRr | transport::kRtcpCast,
       &report_block,
       NULL,
       &cast_message,
-      NULL);
+      NULL,
+      kDefaultDelay);
 
   EXPECT_EQ(1, test_transport_.packet_count());
 }
 
 TEST_F(RtcpSenderTest, RtcpReceiverReportWithRrtraAndCastMessage) {
   TestRtcpPacketBuilder p;
   p.AddRr(kSendingSsrc, 1);
   p.AddRb(kMediaSsrc);
   p.AddSdesCname(kSendingSsrc, kCName);
   p.AddXrHeader(kSendingSsrc);
   p.AddXrRrtrBlock();
-  p.AddCast(kSendingSsrc, kMediaSsrc);
+  p.AddCast(kSendingSsrc, kMediaSsrc, kDefaultDelay);
   test_transport_.SetExpectedRtcpPacket(p.GetPacket().Pass());
 
   transport::RtcpReportBlock report_block = GetReportBlock();
 
   RtcpReceiverReferenceTimeReport rrtr;
   rrtr.ntp_seconds = kNtpHigh;
   rrtr.ntp_fraction = kNtpLow;
 
   RtcpCastMessage cast_message(kMediaSsrc);
   cast_message.ack_frame_id_ = kAckFrameId;
   PacketIdSet missing_packets;
   cast_message.missing_frames_and_packets_[kLostFrameId] = missing_packets;
 
   missing_packets.insert(kLostPacketId1);
   missing_packets.insert(kLostPacketId2);
   missing_packets.insert(kLostPacketId3);
   cast_message.missing_frames_and_packets_[kFrameIdWithLostPackets] =
       missing_packets;
 
   rtcp_sender_->SendRtcpFromRtpReceiver(
-      RtcpSender::kRtcpRr | RtcpSender::kRtcpRrtr | RtcpSender::kRtcpCast,
+      transport::kRtcpRr | transport::kRtcpRrtr | transport::kRtcpCast,
       &report_block,
       &rrtr,
       &cast_message,
-      NULL);
+      NULL,
+      kDefaultDelay);
 
   EXPECT_EQ(1, test_transport_.packet_count());
 }
 
 TEST_F(RtcpSenderTest, RtcpReceiverReportWithRrtrCastMessageAndLog) {
   static const uint32 kTimeBaseMs = 12345678;
   static const uint32 kTimeDelayMs = 10;
 
   TestRtcpPacketBuilder p;
   p.AddRr(kSendingSsrc, 1);
   p.AddRb(kMediaSsrc);
   p.AddSdesCname(kSendingSsrc, kCName);
   p.AddXrHeader(kSendingSsrc);
   p.AddXrRrtrBlock();
-  p.AddCast(kSendingSsrc, kMediaSsrc);
+  p.AddCast(kSendingSsrc, kMediaSsrc, kDefaultDelay);
   test_transport_.SetExpectedRtcpPacket(p.GetPacket().Pass());
 
   transport::RtcpReportBlock report_block = GetReportBlock();
 
   RtcpReceiverReferenceTimeReport rrtr;
   rrtr.ntp_seconds = kNtpHigh;
   rrtr.ntp_fraction = kNtpLow;
 
   RtcpCastMessage cast_message(kMediaSsrc);
   cast_message.ack_frame_id_ = kAckFrameId;
   PacketIdSet missing_packets;
   cast_message.missing_frames_and_packets_[kLostFrameId] = missing_packets;
 
   missing_packets.insert(kLostPacketId1);
   missing_packets.insert(kLostPacketId2);
   missing_packets.insert(kLostPacketId3);
   cast_message.missing_frames_and_packets_[kFrameIdWithLostPackets] =
       missing_packets;
 
   ReceiverRtcpEventSubscriber event_subscriber(
       500, ReceiverRtcpEventSubscriber::kVideoEventSubscriber);
 
   rtcp_sender_->SendRtcpFromRtpReceiver(
-      RtcpSender::kRtcpRr | RtcpSender::kRtcpRrtr | RtcpSender::kRtcpCast |
-          RtcpSender::kRtcpReceiverLog,
+      transport::kRtcpRr | transport::kRtcpRrtr | transport::kRtcpCast |
+          transport::kRtcpReceiverLog,
       &report_block,
       &rrtr,
       &cast_message,
-      &event_subscriber);
+      &event_subscriber,
+      kDefaultDelay);
 
   base::SimpleTestTickClock testing_clock;
   testing_clock.Advance(base::TimeDelta::FromMilliseconds(kTimeBaseMs));
 
   p.AddReceiverLog(kSendingSsrc);
   p.AddReceiverFrameLog(kRtpTimestamp, 2, kTimeBaseMs);
   p.AddReceiverEventLog(0, 5, 0);
   p.AddReceiverEventLog(kLostPacketId1, 8, kTimeDelayMs);
 
   test_transport_.SetExpectedRtcpPacket(p.GetPacket().Pass());
 
   FrameEvent frame_event;
   frame_event.rtp_timestamp = kRtpTimestamp;
   frame_event.type = kVideoAckSent;
   frame_event.timestamp = testing_clock.NowTicks();
   event_subscriber.OnReceiveFrameEvent(frame_event);
   testing_clock.Advance(base::TimeDelta::FromMilliseconds(kTimeDelayMs));
 
   PacketEvent packet_event;
   packet_event.rtp_timestamp = kRtpTimestamp;
   packet_event.type = kVideoPacketReceived;
   packet_event.timestamp = testing_clock.NowTicks();
   packet_event.packet_id = kLostPacketId1;
   event_subscriber.OnReceivePacketEvent(packet_event);
   EXPECT_EQ(2u, event_subscriber.get_rtcp_events().size());
 
   rtcp_sender_->SendRtcpFromRtpReceiver(
-      RtcpSender::kRtcpRr | RtcpSender::kRtcpRrtr | RtcpSender::kRtcpCast |
-          RtcpSender::kRtcpReceiverLog,
+      transport::kRtcpRr | transport::kRtcpRrtr | transport::kRtcpCast |
+          transport::kRtcpReceiverLog,
       &report_block,
       &rrtr,
       &cast_message,
-      &event_subscriber);
+      &event_subscriber,
+      kDefaultDelay);
 
   EXPECT_EQ(2, test_transport_.packet_count());
 
   // We expect to see the same packet because we send redundant events.
   rtcp_sender_->SendRtcpFromRtpReceiver(
-      RtcpSender::kRtcpRr | RtcpSender::kRtcpRrtr | RtcpSender::kRtcpCast |
-          RtcpSender::kRtcpReceiverLog,
+      transport::kRtcpRr | transport::kRtcpRrtr | transport::kRtcpCast |
+          transport::kRtcpReceiverLog,
       &report_block,
       &rrtr,
       &cast_message,
-      &event_subscriber);
+      &event_subscriber,
+      kDefaultDelay);
 
   EXPECT_EQ(3, test_transport_.packet_count());
 }
 
 TEST_F(RtcpSenderTest, RtcpReceiverReportWithOversizedFrameLog) {
   static const uint32 kTimeBaseMs = 12345678;
   static const uint32 kTimeDelayMs = 10;
 
   TestRtcpPacketBuilder p;
   p.AddRr(kSendingSsrc, 1);
@@ skipping 37 matching lines @@
     PacketEvent packet_event;
     packet_event.rtp_timestamp = kRtpTimestamp + 2345;
     packet_event.type = kVideoPacketReceived;
     packet_event.timestamp = testing_clock.NowTicks();
     packet_event.packet_id = kLostPacketId1;
     event_subscriber.OnReceivePacketEvent(packet_event);
     testing_clock.Advance(base::TimeDelta::FromMilliseconds(kTimeDelayMs));
   }
 
   rtcp_sender_->SendRtcpFromRtpReceiver(
-      RtcpSender::kRtcpRr | RtcpSender::kRtcpReceiverLog,
+      transport::kRtcpRr | transport::kRtcpReceiverLog,
       &report_block,
       NULL,
       NULL,
-      &event_subscriber);
+      &event_subscriber,
+      kDefaultDelay);
 
   EXPECT_EQ(1, test_transport_.packet_count());
 }
 
 TEST_F(RtcpSenderTest, RtcpReceiverReportWithTooManyLogFrames) {
   static const uint32 kTimeBaseMs = 12345678;
   static const uint32 kTimeDelayMs = 10;
 
   TestRtcpPacketBuilder p;
   p.AddRr(kSendingSsrc, 1);
@@ skipping 28 matching lines @@
   for (size_t i = 0; i < kRtcpMaxReceiverLogMessages; ++i) {
     FrameEvent frame_event;
     frame_event.rtp_timestamp = kRtpTimestamp + static_cast<int>(i);
     frame_event.type = media::cast::kVideoAckSent;
     frame_event.timestamp = testing_clock.NowTicks();
     event_subscriber.OnReceiveFrameEvent(frame_event);
     testing_clock.Advance(base::TimeDelta::FromMilliseconds(kTimeDelayMs));
   }
 
   rtcp_sender_->SendRtcpFromRtpReceiver(
-      RtcpSender::kRtcpRr | RtcpSender::kRtcpReceiverLog,
+      transport::kRtcpRr | transport::kRtcpReceiverLog,
       &report_block,
       NULL,
       NULL,
-      &event_subscriber);
+      &event_subscriber,
+      kDefaultDelay);
 
   EXPECT_EQ(1, test_transport_.packet_count());
 }
 
 TEST_F(RtcpSenderTest, RtcpReceiverReportWithOldLogFrames) {
   static const uint32 kTimeBaseMs = 12345678;
 
   TestRtcpPacketBuilder p;
   p.AddRr(kSendingSsrc, 1);
   p.AddRb(kMediaSsrc);
@@ skipping 22 matching lines @@
     FrameEvent frame_event;
     frame_event.rtp_timestamp = kRtpTimestamp;
     frame_event.type = media::cast::kVideoAckSent;
     frame_event.timestamp = testing_clock.NowTicks();
     event_subscriber.OnReceiveFrameEvent(frame_event);
     testing_clock.Advance(
         base::TimeDelta::FromMilliseconds(kTimeBetweenEventsMs));
   }
 
   rtcp_sender_->SendRtcpFromRtpReceiver(
-      RtcpSender::kRtcpRr | RtcpSender::kRtcpReceiverLog,
+      transport::kRtcpRr | transport::kRtcpReceiverLog,
       &report_block,
       NULL,
       NULL,
-      &event_subscriber);
+      &event_subscriber,
+      kDefaultDelay);
 
   EXPECT_EQ(1, test_transport_.packet_count());
 }
 
 }  // namespace cast
 }  // namespace media