RtpPacket.hxx
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- #ifndef RTPPACKET_HXX
- #define RTPPACKET_HXX
- /* ====================================================================
- * The Vovida Software License, Version 1.0
- *
- * Copyright (c) 2000 Vovida Networks, Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. The names "VOCAL", "Vovida Open Communication Application Library",
- * and "Vovida Open Communication Application Library (VOCAL)" must
- * not be used to endorse or promote products derived from this
- * software without prior written permission. For written
- * permission, please contact vocal@vovida.org.
- *
- * 4. Products derived from this software may not be called "VOCAL", nor
- * may "VOCAL" appear in their name, without prior written
- * permission of Vovida Networks, Inc.
- *
- * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESSED OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, TITLE AND
- * NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL VOVIDA
- * NETWORKS, INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT DAMAGES
- * IN EXCESS OF $1,000, NOR FOR ANY INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
- * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
- * DAMAGE.
- *
- * ====================================================================
- *
- * This software consists of voluntary contributions made by Vovida
- * Networks, Inc. and many individuals on behalf of Vovida Networks,
- * Inc. For more information on Vovida Networks, Inc., please see
- * <http://www.vovida.org/>.
- *
- */
- static const char* const RtpPacket_hxx_Version =
- "$Id: RtpPacket.hxx,v 1.9 2001/03/21 21:14:56 kimle Exp $";
- #include "rtpTypes.h"
- #include <assert.h>
- /// Data struture for RTP data packet
- class RtpPacket
- {
- public:
- /** Constructor that allocates RTP packetData
- @param newpayloadSize Payload size not including RTP header
- @param npadSize Number of pad bytes (not implemented)
- @param csrc_count Number of contributing sources in packet
- **/
- RtpPacket (int newpayloadSize, int npadSize = 0, int csrc_count = 0);
- /** Constructor that uses already allocated memory as packetData
- @param memory already allocatd memory
- @param size includes rtpHeader and padbytes
- **/
- //RtpPacket (char* memory, int size);
- /// clones an existing packet to a new size
- RtpPacket (RtpPacket* clonePacket, int newpayloadSize);
- /// Destructor that deallocates RTP packetData memory
- ~RtpPacket ();
- /// Pointer to packet data
- char* getPacketData ()
- {
- return packetData;
- }
- /// Pointer to packet header
- RtpHeader* getHeader ()
- {
- return header;
- }
- /// Pointer to beginning of payload
- char* getPayloadLoc ();
- /// Maximum payload size
- int getPayloadSize ();
- /** Sets payload usage
- @param size doesn't include RTP header
- **/
- void setPayloadUsage (int size);
- /// Size of payload stored
- int getPayloadUsage ();
- /// Pointer to begnning of padbyte (Not implemented)
- char* getPadbyteLoc ();
- /// Sets size of payload (Not implemented)
- void setPadbyteSize (int size);
- /// Size of padbyte (Not fully implemented)
- int getPadbyteSize ();
- /// Entire size of RTP packet including header, unused, and padbyte
- int getPacketAlloc ()
- {
- return packetAlloc;
- }
- /// Size of unused memory
- int getUnused ()
- {
- return unusedSize;
- }
- /** Sets size of RTP packet including header and padbyte
- Extra memory will be set as unused memory
- **/
- void setTotalUsage (int size)
- {
- assert (size <= packetAlloc);
- unusedSize = packetAlloc - size;
- }
- /// Size of RTP packet not including unused memory
- int getTotalUsage ()
- {
- return packetAlloc - unusedSize;
- }
- ///
- void setPayloadType (RtpPayloadType payloadType);
- ///
- RtpPayloadType getPayloadType ();
- ///
- void setSequence (RtpSeqNumber newseq);
- ///
- RtpSeqNumber getSequence ();
- ///
- RtpTime getRtpTime();
- ///
- void setRtpTime (RtpTime time);
- ///
- void setSSRC (RtpSrc src);
- ///
- RtpSrc getSSRC ();
- /// Gets number of contributing sources
- void setCSRCcount (int i); // use with cuation
- int getCSRCcount ();
- ///
- void setCSRC (RtpSrc src, unsigned int index);
- /** index value less range 1 to csrc_count
- @param index value less range 1 to csrc_count
- **/
- RtpSrc getCSRC (unsigned int index);
- ///
- void setVersion (int i)
- {
- header->version = i;
- }
- int getVersion ()
- {
- return header->version;
- }
- ///
- void setPaddingFlag (int i)
- {
- header->padding = i;
- }
- int getPaddingFlag ()
- {
- return header->padding;
- }
- ///
- void setExtFlag (int i)
- {
- header->extension = i;
- }
- int getExtFlag ()
- {
- return header->extension;
- }
- ///
- void setMarkerFlag (int i)
- {
- header->marker = i;
- }
- int getMarkerFlag ()
- {
- return header->marker;
- }
- /// flags
- bool sequenceSet;
- bool timestampSet;
- /// valid check
- bool isValid();
- /// Print packet contents
- void printPacket ();
- private:
- /// Pointer to raw memory allocation
- char* packetData;
- /// Allocated packet size
- int packetAlloc;
- /// Size of unused memory
- int unusedSize;
- /// Easy access to header information
- RtpHeader* header;
- };
- #endif // RTPPACKET_HXX