Cast: Make receiver use cast_transport

media/cast/net/rtp/rtp_parser.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/rtp/rtp_parser.h"
 
 #include "base/big_endian.h"
 #include "base/logging.h"
 #include "media/cast/cast_defines.h"
 #include "media/cast/net/rtp/rtp_defines.h"
 
 namespace media {
 namespace cast {
 
+// static
+bool RtpParser::ParseSsrc(const uint8* packet,
+                          size_t length,
+                          uint32* ssrc) {
+  base::BigEndianReader big_endian_reader(
+      reinterpret_cast<const char*>(packet), length);
+  return big_endian_reader.Skip(8) && big_endian_reader.ReadU32(ssrc);
+}
+
 RtpParser::RtpParser(uint32 expected_sender_ssrc, uint8 expected_payload_type)
     : expected_sender_ssrc_(expected_sender_ssrc),
       expected_payload_type_(expected_payload_type) {}
 
 RtpParser::~RtpParser() {}
 
 bool RtpParser::ParsePacket(const uint8* packet,
                             size_t length,
                             RtpCastHeader* header,
                             const uint8** payload_data,
@@ skipping 94 matching lines @@
 
   // All remaining data in the packet is the payload.
   *payload_data = reinterpret_cast<const uint8*>(reader.ptr());
   *payload_size = reader.remaining();
 
   return true;
 }
 
 }  // namespace cast
 }  // namespace media