Cast: Add capabity to send Receiver and Sender log messages over RTCP.

media/cast/rtcp/test_rtcp_packet_builder.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 "media/cast/rtcp/test_rtcp_packet_builder.h"
 
 #include "base/logging.h"
 
 namespace media {
 namespace cast {
@@ skipping 193 matching lines @@
   big_endian_writer_.WriteU16(kRtcpCastAllPacketsLost);
   big_endian_writer_.WriteU8(0);  // Lost packet id mask.
   big_endian_writer_.WriteU8(kFrameIdWithLostPackets);
   big_endian_writer_.WriteU16(kLostPacketId1);
   big_endian_writer_.WriteU8(0x2);  // Lost packet id mask.
   big_endian_writer_.WriteU8(kFrameIdWithLostPackets);
   big_endian_writer_.WriteU16(kLostPacketId3);
   big_endian_writer_.WriteU8(0);  // Lost packet id mask.
 }
 
+void TestRtcpPacketBuilder::AddSenderLog(uint32 sender_ssrc) {
+  AddRtcpHeader(204, 1);
+  big_endian_writer_.WriteU32(sender_ssrc);
+  big_endian_writer_.WriteU8('C');
+  big_endian_writer_.WriteU8('A');
+  big_endian_writer_.WriteU8('S');
+  big_endian_writer_.WriteU8('T');
+}
+
+void TestRtcpPacketBuilder::AddSenderFrameLog(uint8 event_id,
+                                              uint32 rtp_timestamp) {
+  big_endian_writer_.WriteU32(
+      (static_cast<uint32>(event_id) << 24) + (rtp_timestamp & 0xffffff));
+}
+
+void TestRtcpPacketBuilder::AddReceiverLog(uint32 sender_ssrc) {
+  AddRtcpHeader(204, 2);
+  big_endian_writer_.WriteU32(sender_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 rtp_timestamp,
+    int num_events, uint32 event_timesamp_base) {
+  big_endian_writer_.WriteU32(rtp_timestamp);
+  big_endian_writer_.WriteU8(static_cast<uint8>(num_events - 1));
+  big_endian_writer_.WriteU8(static_cast<uint8>(event_timesamp_base >> 16));
+  big_endian_writer_.WriteU8(static_cast<uint8>(event_timesamp_base >> 8));
+  big_endian_writer_.WriteU8(static_cast<uint8>(event_timesamp_base));
+}
+
+void TestRtcpPacketBuilder::AddReceiverEventLog(uint16 event_data,
+    uint8 event_id, uint16 event_timesamp_delta) {
+  big_endian_writer_.WriteU16(event_data);
+  uint16 type_and_delta = static_cast<uint16>(event_id) << 12;
+  type_and_delta += event_timesamp_delta & 0x0fff;
+  big_endian_writer_.WriteU16(type_and_delta);
+}
+
 const uint8* TestRtcpPacketBuilder::Packet() {
   PatchLengthField();
   return buffer_;
 }
 
 void TestRtcpPacketBuilder::PatchLengthField() {
   if (ptr_of_length_) {
     // Back-patch the packet length. The client must have taken
     // care of proper padding to 32-bit words.
     int this_packet_length = (big_endian_writer_.ptr() - ptr_of_length_ - 2);
@@ skipping 13 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