Add even more of the source

This should be about everything needed to build so far?

RTCPUtilitiesLib/RTCPAckPacket.cpp

@@ -0,0 +1,118 @@
+/*
+ *
+ * @APPLE_LICENSE_HEADER_START@
+ *
+ * Copyright (c) 1999-2008 Apple Inc.  All Rights Reserved.
+ *
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this
+ * file.
+ * 
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ * 
+ * @APPLE_LICENSE_HEADER_END@
+ *
+ */
+/*
+    File:       RTCPAckPacket.cpp
+
+    Contains:   RTCPAckPacket de-packetizing class
+
+    
+*/
+
+
+#include "RTCPAckPacket.h"
+#include "RTCPPacket.h"
+#include "MyAssert.h"
+#include "OS.h"
+#include "OSMemory.h"
+#include "OSArrayObjectDeleter.h"
+#include <stdio.h>
+
+
+// use if you don't know what kind of packet this is
+Bool16 RTCPAckPacket::ParseAckPacket(UInt8* inPacketBuffer, UInt32 inPacketLength)
+{
+        
+    if (!this->ParseAPPPacket(inPacketBuffer, inPacketLength))
+        return false;
+        
+    if (this->GetAppPacketName() == RTCPAckPacket::kAckPacketName)
+        return true;
+        
+    if (this->GetAppPacketName() == RTCPAckPacket::kAckPacketAlternateName)
+        return true;
+          
+    return false;
+
+}
+
+
+Bool16 RTCPAckPacket::ParseAPPData(UInt8* inPacketBuffer, UInt32 inPacketLength)
+{
+    if ( !this->ParseAckPacket(inPacketBuffer, inPacketLength) )
+        return false;
+
+
+    fRTCPAckBuffer = inPacketBuffer;
+
+    //
+    // Check whether this is an ack packet or not.
+    if ( (inPacketLength < kAckMaskOffset) || (!this->IsAckPacketType() ) )
+        return false;
+    
+    Assert(inPacketLength == (UInt32)((this->GetPacketLength() * 4)) + RTCPPacket::kRTCPHeaderSizeInBytes);
+    fAckMaskSize = inPacketLength - kAckMaskOffset;
+    
+    return true;
+}
+
+Bool16 RTCPAckPacket::IsAckPacketType()
+{
+    // While we are moving to a new type, check for both
+    UInt32 theAppType = this->GetAppPacketName();
+    
+//  if ( theAppType == kAckPacketAlternateName ) qtss_printf("ack\n"); 
+//  if ( theAppType == kAckPacketName ) qtss_printf("qtack\n");
+                                                        
+    return this->IsAckType(theAppType);
+}
+
+void   RTCPAckPacket::Dump()
+{
+    UInt16 theSeqNum = this->GetAckSeqNum();
+    UInt16 thePacketLen = this->GetPacketLength();
+    UInt32 theAckMaskSizeInBits = this->GetAckMaskSizeInBits();
+    
+    char name[5];
+    name[4] = 0;
+    
+    ::memcpy(name, &fRTCPAckBuffer[kAppPacketTypeOffset],4);
+    UInt16 numBufferBytes = (UInt16) ( (7 * theAckMaskSizeInBits) + 1 );
+    char *maskBytesBuffer = NEW char[numBufferBytes];
+    OSCharArrayDeleter deleter(maskBytesBuffer);
+    maskBytesBuffer[0] = 0;
+    maskBytesBuffer[numBufferBytes -1] = 0;
+    for (UInt32 maskCount = 0; maskCount < theAckMaskSizeInBits; maskCount++)
+    {
+        if (this->IsNthBitEnabled(maskCount))
+        {
+            qtss_sprintf(&maskBytesBuffer[::strlen(maskBytesBuffer)],"%"_U32BITARG_", ", theSeqNum + 1 + maskCount);
+        }
+    }
+    Assert(::strlen(maskBytesBuffer) < numBufferBytes);
+    qtss_printf(" H_name=%s H_seq=%u H_len=%u mask_size=%"_U32BITARG_" seq_nums_bit_set=%s\n",
+                                    name, theSeqNum,thePacketLen,theAckMaskSizeInBits, maskBytesBuffer);
+
+}
+