Add Cast PLI support on sender side.

media/cast/net/rtcp/test_rtcp_packet_builder.cc

 // Copyright 2014 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 "media/cast/net/rtcp/test_rtcp_packet_builder.h"
 
 #include "base/logging.h"
 #include "media/cast/net/rtcp/rtcp_utility.h"
 
 namespace media {
 namespace cast {
 
 TestRtcpPacketBuilder::TestRtcpPacketBuilder()
     : ptr_of_length_(NULL),
       big_endian_writer_(reinterpret_cast<char*>(buffer_), kMaxIpPacketSize),
       big_endian_reader_(NULL, 0) {}
 
-void TestRtcpPacketBuilder::AddSr(uint32_t sender_ssrc,
+void TestRtcpPacketBuilder::AddSr(uint32_t remote_ssrc,
                                   int number_of_report_blocks) {
   AddRtcpHeader(200, number_of_report_blocks);
-  big_endian_writer_.WriteU32(sender_ssrc);
+  big_endian_writer_.WriteU32(remote_ssrc);
   big_endian_writer_.WriteU32(kNtpHigh);  // NTP timestamp.
   big_endian_writer_.WriteU32(kNtpLow);
   big_endian_writer_.WriteU32(kRtpTimestamp);
   big_endian_writer_.WriteU32(kSendPacketCount);
   big_endian_writer_.WriteU32(kSendOctetCount);
 }
 
-void TestRtcpPacketBuilder::AddSrWithNtp(uint32_t sender_ssrc,
+void TestRtcpPacketBuilder::AddSrWithNtp(uint32_t remote_ssrc,
                                          uint32_t ntp_high,
                                          uint32_t ntp_low,
                                          uint32_t rtp_timestamp) {
   AddRtcpHeader(200, 0);
-  big_endian_writer_.WriteU32(sender_ssrc);
+  big_endian_writer_.WriteU32(remote_ssrc);
   big_endian_writer_.WriteU32(ntp_high);
   big_endian_writer_.WriteU32(ntp_low);
   big_endian_writer_.WriteU32(rtp_timestamp);
   big_endian_writer_.WriteU32(kSendPacketCount);
   big_endian_writer_.WriteU32(kSendOctetCount);
 }
 
-void TestRtcpPacketBuilder::AddRr(uint32_t sender_ssrc,
+void TestRtcpPacketBuilder::AddRr(uint32_t remote_ssrc,
                                   int number_of_report_blocks) {
   AddRtcpHeader(201, number_of_report_blocks);
-  big_endian_writer_.WriteU32(sender_ssrc);
+  big_endian_writer_.WriteU32(remote_ssrc);
 }
 
-void TestRtcpPacketBuilder::AddRb(uint32_t rtp_ssrc) {
-  big_endian_writer_.WriteU32(rtp_ssrc);
+void TestRtcpPacketBuilder::AddRb(uint32_t local_ssrc) {
+  big_endian_writer_.WriteU32(local_ssrc);
   big_endian_writer_.WriteU32(kLoss);
   big_endian_writer_.WriteU32(kExtendedMax);
   big_endian_writer_.WriteU32(kTestJitter);
   big_endian_writer_.WriteU32(kLastSr);
   big_endian_writer_.WriteU32(kDelayLastSr);
 }
 
-void TestRtcpPacketBuilder::AddXrHeader(uint32_t sender_ssrc) {
+void TestRtcpPacketBuilder::AddXrHeader(uint32_t remote_ssrc) {
   AddRtcpHeader(207, 0);
-  big_endian_writer_.WriteU32(sender_ssrc);
+  big_endian_writer_.WriteU32(remote_ssrc);
 }
 
 void TestRtcpPacketBuilder::AddXrUnknownBlock() {
   big_endian_writer_.WriteU8(9);   // Block type.
   big_endian_writer_.WriteU8(0);   // Reserved.
   big_endian_writer_.WriteU16(4);  // Block length.
   // First receiver same as sender of this report.
   big_endian_writer_.WriteU32(0);
   big_endian_writer_.WriteU32(0);
   big_endian_writer_.WriteU32(0);
   big_endian_writer_.WriteU32(0);
 }
 
 void TestRtcpPacketBuilder::AddUnknownBlock() {
   AddRtcpHeader(99, 0);
   big_endian_writer_.WriteU32(42);
   big_endian_writer_.WriteU32(42);
   big_endian_writer_.WriteU32(42);
 }
 
-void TestRtcpPacketBuilder::AddXrDlrrBlock(uint32_t sender_ssrc) {
+void TestRtcpPacketBuilder::AddXrDlrrBlock(uint32_t remote_ssrc) {
   big_endian_writer_.WriteU8(5);   // Block type.
   big_endian_writer_.WriteU8(0);   // Reserved.
   big_endian_writer_.WriteU16(3);  // Block length.
 
   // First receiver same as sender of this report.
-  big_endian_writer_.WriteU32(sender_ssrc);
+  big_endian_writer_.WriteU32(remote_ssrc);
   big_endian_writer_.WriteU32(kLastRr);
   big_endian_writer_.WriteU32(kDelayLastRr);
 }
 
-void TestRtcpPacketBuilder::AddXrExtendedDlrrBlock(uint32_t sender_ssrc) {
+void TestRtcpPacketBuilder::AddXrExtendedDlrrBlock(uint32_t remote_ssrc) {
   big_endian_writer_.WriteU8(5);   // Block type.
   big_endian_writer_.WriteU8(0);   // Reserved.
   big_endian_writer_.WriteU16(9);  // Block length.
   big_endian_writer_.WriteU32(0xaaaaaaaa);
   big_endian_writer_.WriteU32(0xaaaaaaaa);
   big_endian_writer_.WriteU32(0xaaaaaaaa);
 
   // First receiver same as sender of this report.
-  big_endian_writer_.WriteU32(sender_ssrc);
+  big_endian_writer_.WriteU32(remote_ssrc);
   big_endian_writer_.WriteU32(kLastRr);
   big_endian_writer_.WriteU32(kDelayLastRr);
   big_endian_writer_.WriteU32(0xbbbbbbbb);
   big_endian_writer_.WriteU32(0xbbbbbbbb);
   big_endian_writer_.WriteU32(0xbbbbbbbb);
 }
 
 void TestRtcpPacketBuilder::AddXrRrtrBlock() {
   big_endian_writer_.WriteU8(4);   // Block type.
   big_endian_writer_.WriteU8(0);   // Reserved.
   big_endian_writer_.WriteU16(2);  // Block length.
   big_endian_writer_.WriteU32(kNtpHigh);
   big_endian_writer_.WriteU32(kNtpLow);
 }
 
-void TestRtcpPacketBuilder::AddNack(uint32_t sender_ssrc, uint32_t media_ssrc) {
+void TestRtcpPacketBuilder::AddNack(uint32_t remote_ssrc, uint32_t local_ssrc) {
   AddRtcpHeader(205, 1);
-  big_endian_writer_.WriteU32(sender_ssrc);
-  big_endian_writer_.WriteU32(media_ssrc);
+  big_endian_writer_.WriteU32(remote_ssrc);
+  big_endian_writer_.WriteU32(local_ssrc);
   big_endian_writer_.WriteU16(kMissingPacket);
   big_endian_writer_.WriteU16(0);
 }
 
-void TestRtcpPacketBuilder::AddSendReportRequest(uint32_t sender_ssrc,
-                                                 uint32_t media_ssrc) {
+void TestRtcpPacketBuilder::AddSendReportRequest(uint32_t remote_ssrc,
+                                                 uint32_t local_ssrc) {
   AddRtcpHeader(205, 5);
-  big_endian_writer_.WriteU32(sender_ssrc);
-  big_endian_writer_.WriteU32(media_ssrc);
+  big_endian_writer_.WriteU32(remote_ssrc);
+  big_endian_writer_.WriteU32(local_ssrc);
 }
 
-void TestRtcpPacketBuilder::AddCast(uint32_t sender_ssrc,
-                                    uint32_t media_ssrc,
+void TestRtcpPacketBuilder::AddCast(uint32_t remote_ssrc,
+                                    uint32_t local_ssrc,
                                     base::TimeDelta target_delay) {
   AddRtcpHeader(206, 15);
-  big_endian_writer_.WriteU32(sender_ssrc);
-  big_endian_writer_.WriteU32(media_ssrc);
+  big_endian_writer_.WriteU32(remote_ssrc);
+  big_endian_writer_.WriteU32(local_ssrc);
   big_endian_writer_.WriteU8('C');
   big_endian_writer_.WriteU8('A');
   big_endian_writer_.WriteU8('S');
   big_endian_writer_.WriteU8('T');
   big_endian_writer_.WriteU8(kAckFrameId);
   big_endian_writer_.WriteU8(3);     // Loss fields.
   big_endian_writer_.WriteU16(target_delay.InMilliseconds());
   big_endian_writer_.WriteU8(kLostFrameId);
   big_endian_writer_.WriteU16(kRtcpCastAllPacketsLost);
   big_endian_writer_.WriteU8(0);  // Lost packet id mask.
@@ skipping 40 matching lines @@
   big_endian_writer_.WriteU8('C');
   big_endian_writer_.WriteU8('A');
   big_endian_writer_.WriteU8('S');
   big_endian_writer_.WriteU8('T');
   big_endian_writer_.WriteU8(kFeedbackSeq);
   big_endian_writer_.WriteU8(0);
   big_endian_writer_.WriteU8(0);
   big_endian_writer_.WriteU8(0);
 }
 
-void TestRtcpPacketBuilder::AddReceiverLog(uint32_t sender_ssrc) {
+void TestRtcpPacketBuilder::AddPli(uint32_t remote_ssrc, uint32_t local_ssrc) {
+  AddRtcpHeader(206, 1);
+  big_endian_writer_.WriteU32(remote_ssrc);
+  big_endian_writer_.WriteU32(local_ssrc);
+}
+
+void TestRtcpPacketBuilder::AddReceiverLog(uint32_t remote_ssrc) {
   AddRtcpHeader(204, 2);
-  big_endian_writer_.WriteU32(sender_ssrc);
+  big_endian_writer_.WriteU32(remote_ssrc);
   big_endian_writer_.WriteU8('C');
   big_endian_writer_.WriteU8('A');
   big_endian_writer_.WriteU8('S');
   big_endian_writer_.WriteU8('T');
 }
 
 void TestRtcpPacketBuilder::AddReceiverFrameLog(uint32_t rtp_timestamp,
                                                 int num_events,
                                                 uint32_t event_timesamp_base) {
   big_endian_writer_.WriteU32(rtp_timestamp);
@@ skipping 51 matching lines @@
   big_endian_writer_.WriteU8(0x80 | (format_or_count & 0x1F));
   big_endian_writer_.WriteU8(payload);
   ptr_of_length_ = big_endian_writer_.ptr();
 
   // Initialize length to "clearly illegal".
   big_endian_writer_.WriteU16(0xDEAD);
 }
 
 }  // namespace cast
 }  // namespace media