418 lines
19 KiB
Plaintext
418 lines
19 KiB
Plaintext
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JRTPLIB ChangeLog
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-----------------
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3.11.2 (April 2020):
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* Taking EINTR in nanosleep, poll and select calls into account.
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Thanks to Filippo Guerzoni (filippo.guerzoni@gmail.com) for bringing
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this to my attention.
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* Disabled some copy constructors
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* Bugfix in RTPExternalTransmitter: a buffer could fill up causing the
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an operation to fail to get aborted
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* Added constructor to RTPRawPacket to guess RTP/RTCP type
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* Bugfixed regarding some calles being cut short due to an EINTR
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3.11.1 (March 2017)
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* Bugfix in rtpsources.cpp: if the RTP packet got deleted in
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OnValidatedRTPPacket, then an illegal address would be accessed
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when looking up the CSRC identifiers. Thanks to Lau Bakman for
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reporting this.
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3.11.0 (March 2017)
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* In the RTPSession class, thread safety can be requested even
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if the poll thread is not used.
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* Moved the 'abort decriptor' stuff into a separate class and
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made it possible for the UDPv4 transmitter to use a pre-created
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instance. In turn this allows a single poll thread to be set up
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for multiple RTPSession instances. Example8 illustrates this.
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* Made an abstraction RTPSelect for the 'select' call. This can
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use 'poll' or 'WSAPoll' depending on the availabity, which can
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allow better scaling for a use case such as example8.
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* Added RTPRandom::CreateDefaultRandomNumberGenerator to create
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the default random number engine for the platform in use.
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* When using gcc, warnings will be treated as error by default
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(this can be disabled in the cmake options)
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* Added a transmission component that allows packets to be sent
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and received over TCP.
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3.10.0 (December 2016)
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* Support for MingW compilation was added
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* Outgoing data or incoming data can be intercepted and changed
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(useful for encryption)
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* SRTP support (using libsrtp) through the RTPSecureSession class.
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Thanks to Vladimir V. Pavluk (vladvic_r@mail.ru) and to
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Alexey Obergan (alex.obergan@gmail.com) for providing very helpful
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code.
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* RTP packets can now be processed in RTPSession's
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OnValidatedRTPPacket virtual function.
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* Various virtual function were added to the RTPSession class to
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get immediate notification of RTCP sender reports, receiver
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reports, SDES data.
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* Support for RTP and RTCP multiplexing over the same port, for the
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UDPv4 transmitter.
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* Added a member function to RTPSession to send raw data, i.e. to
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send data directly over the RTP or RTCP channel of the transmitter.
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* Added a member function to RTPSession by which you can retrieve the
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next RTP sequence number.
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* Specifying port 0 for the UDPv4 transmitter chooses a port pair
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by itself.
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* The UDPv4 transmitter can be initialized using pre-created RTP
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and RTCP sockets.
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* Modified RTPTime class to use an internal representation of a
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double precision floating point number. Also using clock_gettime
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if available instead of gettimeofday, to obtain times that are
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not affected by clock adjustments.
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3.9.2 (December 2016)
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* Major bugfix: zero length UDP packets should no longer block
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the reception of packets.
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* Various compiler warnings were fixed. Thanks to Ruotger Skupin
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(roddi@me.com) for supplying the patch.
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3.9.1 (November 2011)
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* Fixed a bug in the CMake configuration: was unable to handle
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path names with spaces.
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* Fixed bug in rtcpsdespacket.h: end namespace curly bracket
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was in wrong place.
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* In an MS-Windows environment you can now choose to build a
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DLL instead of a static library.
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3.9.0 (July 2011)
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* Switched to CMake build system.
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* Added the RTPByteAddress class, which can be used to describe
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a host/port combination in a very general way.
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* Added the RTPExternalTransmitter class which can be used if
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one would like to use a transmission mechanism other than
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the UDP based transmitters.
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* Placed everything in namespace 'jrtplib'.
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3.8.2 (February 2011)
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* Fixed bug in RTPRandomRand48. The uint16_t version used a
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& 0xff instead of & 0xffff. Thanks to Alexey Kumkov
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(crazykum@ukr.net) for bringing this to my attention.
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3.8.1 (October 2010)
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* Initialization of the RTPRandomRandS class didn't work as
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intended, causing the fall-back class RTPRandomRand48 always
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being used on the Win32 platform.
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3.8.0 (September 2010)
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* Fixed bug in RTPSources implementation. An incorrect
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'GotoNextElement' call was replaced by a 'GotoPreviousElement'
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call.
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* Added functionality to send unknown RTCP packets. Patch
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was supplied by Tom Harper (d.thomas.harper@gmail.com)
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* Fixed bug in INF_GetEstimatedTimestampUnit (possibility of
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division by zero). Thanks to Gilson Yi (gilson.yi@gmail.com)
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for bringing this to my attention.
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* Added some code to allow a specific SSRC to be used.
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* Fixed bug in jitter calculation code. Thanks to Uwe Andersen
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(uandersen@mayah.com) for bringing this to my attention.
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* Added OnPollThreadStart and OnPollThreadStop to RTPSession.
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Thanks to Daniele Barzotti (daniele.barzotti@eurocomtel.com)
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for suggesting this.
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* Added method to RTPSessionParams to force a specific CNAME.
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Thanks to Lars Rohwedder (L.Rohwedder@mocotec.de) for the
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suggestion.
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* Removed old RTPRandom code and made RTPRandom an abstract
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interface. Added a /dev/urandom implementation, a rand_s
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implementation and a rand48 implementation. By default,
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/dev/urandom and rand_s are tried, and rand48 is used as a
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fall-back mechanism.
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3.7.1 (May 2007)
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* Fixed bug in the CurrentTime implementation (Win32/WinCE version).
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Thanks to Dani Baeyens (dani@warp.es) and Eric Johnson
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(EJohnson@pelco.com) for helping me solve this problem.
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3.7.0 (January 2007)
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* Send and receive socket buffer sizes can now be set in the
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transmission parameters. Thanks to Dmitry Shandyba
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(Dmitry.Shandyba@materialise.kiev.ua) for suggesting this.
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* Changed a 'htons' call to a 'ntohs' call in ShouldAcceptData
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in both the IPv4 and IPv6 transmitters.
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* Fixed bug in RTPIPv6Destination. Thanks to Yi-Huan Chan
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(yhchan@csie.nctu.edu.tw) and Franco Sinhori
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(francosinhori@gmail.com) for bringing this to my attention.
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3.6.0 (June 2006)
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* Added a constructor to the RTCPCompoundPacket class to be able
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to parse a compound packet out of a byte array (and not only
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out of an RTPRawPacket instance).
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* Added a method to RTPSession to send RTCP APP packets. Thanks
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to Herman Bastiaens (herman.bastiaens@student.uhasselt.be)
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for supplying the patch.
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* Fixed Win32 rand_s bug. Thanks to Jeremy Noring
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(jnoring@wilife.com) for supplying the patch.
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* Removed the GetNumRTPPacketsSent and GetNumRTCPPacketsSent
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functions in the transmitter. The counts were only used to
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check if packets had been sent. Now, a flag in RTPSession is
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used for this purpose.
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* Added memory management support.
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* Added a member function to RTPSession which allows passing an
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RTPTransmitter instance.
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* The instances in the destination lists now store struct
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sockaddr variables. This makes sending data to each destination
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more efficient.
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3.5.2 (March 2006)
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* Fixed bug in the random number functions which are used with
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MS Visual Studio 2005. Thanks to Jun Ohasi (jun@jnb.odn.ne.jp)
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for bringing the incorrect use of rand_s to my attention.
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* Changed types like u_int32_t to types like uint32_t in the
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documentation.
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3.5.1 (March 2006)
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* Fixed bug in RTCP scheduler. Due to -= operation on an RTPTime
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instance, an incredibly large scheduling interval could be
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calculated.
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3.5.0 (March 2006)
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* Now, the define RTP_SNPRINTF is used instead of snprintf,
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_snprintf or _snprintf_s.
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* In the RTPSources member function MultipleTimeouts, I neglected
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to call the OnRemoveSource virtual function. Thanks to Adam Love
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(alove@exceptionalinnovation.com) for bringing this to my attention.
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* Added a OnSendRTCPCompoundPacket member function to the RTPSession
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class. Useful for inspecting outgoing data.
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* Modified the templates somewhat. Should cause less compiler problems
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this way. Thanks tot Chris Hamilton (chamilton@cs.dal.ca) for
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providing this solution.
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* On Win32, if possible the functions rand_s and srand_s are now used.
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3.4.0 (January 2006)
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* Changed u_int32_t like types to uint32_t like types. Thanks to
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Panagiotis Issaris (takis.issaris@uhasselt.be) for informing me
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that these are C99 compliant.
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* Changed sprintf functions to safer snprintf functions. Thanks to
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Panagiotis Issaris (takis.issaris@uhasselt.be) for pointing this
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out.
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* Fixed bug in RTPSources (counters were not reset when the source
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table was cleared). Thanks to Justin Matthews (jmatthewsr@yahoo.com)
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for pointing this out.
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* Fixed bug in RTPHashTable and RTPKeyHashTable. Thanks to
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Tom Pijsel (tom.pijsel@twelvecubes.com) for bringing this to my
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attention.
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* Fixed bug in example3.cpp
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3.3.0 (October 2005)
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* Now it is possible to use a user-defined transmission component.
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* Added GStreamer transmission component written by Philippe Khalaf
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(burger@speedy.org).
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3.2.1 (September 2005)
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* The library wouldn't compile when probation support was disabled.
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Thanks to Herman Bastiaens (herman.bastiaens@student.luc.ac.be) for
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bringing this to my attention.
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* When parsed from an RTPRawPacket, the receive time is also stored
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in the RTPPacket instance.
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3.2.0 (September 2005)
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* Modified the routine in the RTPSession class which creates the
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CNAME. Aparently on some systems, the 'getlogin' call returns
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null. As an alternative, the library uses getenv("LOGNAME").
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Thanks to Mark Schiffmann (schima@neumann-elektronik.com) for
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mentioning this to me.
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* Added a OnBYEPacket method to the RTPSession class. Thanks to
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Sigrid Thijs (sthijs@androme.be) for suggesting this.
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* When probation support is enabled, a probation type can be selected
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when the session is created. Supported types are "No probation",
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"Use probation, but store packets" and "Use probation and discard
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packets received in probation mode". Thanks to Chris Flerackers
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(cflerackers@androme.be) for suggesting this feature.
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* Added a parameter to WaitForIncomingData which indicates if
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data is available when the function returns. Based on a suggestion
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by Uwe Andersen (uandersen@mayah.com).
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* Now using getifaddrs (if possible) to obtain our own IP addresses
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(both in IPv4 version and IPv6 version).
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* IPv6 code in Win32 version now works, but Visual Studio 2005 beta
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has to be used. Thanks to Yi-Huan Chan (yhchan@csie.nctu.edu.tw)
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for contributing some code.
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* Added Win32 code for GetLocalIPList_Interfaces (both IPv4 and IPv6).
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Thanks to Ivan Makushkin (camry@pisem.net) for pointing out how
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this could be done.
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* Added an option to use a SR packet when sending a BYE message.
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Previously, a RR packet was always used, even if a session is
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actually an active sender of data. Thanks to Uwe Andersen
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(uandersen@mayah.com) for bringing this to my attention.
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* Fixed bug in CNAME creation.
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* Added WinCE support. Thanks to Maarten Daniels
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(maarten.daniels@uhasselt.be) for supplying patches.
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* Changed the CurrentTime implementation for the MS-Windows version.
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Thanks to Maarten Daniels (maarten.daniels@uhasselt.be) and Chris
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Flerackers (cflerackers@androme.be).
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3.1.0 (October 2004)
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* Added a callback OnPollThreadStep which is called at the end of
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each loop of the poll thread
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* Added the examples subdirectory to the package
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* Fixed bug in rtpudpv4transmitter.cpp and rtpudpv6transmitter.cpp
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which caused an infinite loop in LeaveAllMulticastGroups. Thanks
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to Stijn Agten (stijn.agten@luc.ac.be) for pointing this out.
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* Added a function GetTransmissionInfo to the RTPTransmitter class
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(and subclasses). The function will return some additional
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information about the transmitter, like local IP addresses and
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socket descriptors.
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3.0.2 (September 2004)
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* Bugfix in rtpinternalsourcedata.cpp. The bug caused a crash when
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duplicate packets were received. Thanks to Dominique Prunier
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(dominique.prunier@micromedia-int.com) for informing me about
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this.
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3.0.1 (September 2004)
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* Bugfix in rtpudpv4transmitter.cpp and rtpudpv6transmitter.cpp in
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method SetReceiveMode
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* Removed unused 'acceptownpackets' variable from
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rtpudpv4transmitter.cpp and rtpudpv6transmitter.cpp
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* Added a 'Dump' function (for debugging) in RTPUDPv4Transmitter
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and RTPUDPv6Transmitter
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* Now using JThread 1.1.0
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3.0.0 (August 2004)
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* Complete rewrite of the library to provide better extensibility
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and compliance with RFC 3550
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* Changes from the 2.x series:
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- The 2.x series was created with the idea that the user
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would only need to use the RTPSession class which meant
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that the other classes were not very useful by themselves.
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This version on the other hand, aims to provide many
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useful components to aid the user in building RTP capable
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applications.
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- In this version, the code which is specific for the
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underlying protocol by which RTP packets are transported,
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is bundled in a class which inherits its interface from a
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class called RTPTransmitter. This makes it easy for
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different underlying protocols to be supported. Currently
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there is support for UDP over IPv4 and UDP over IPv6.
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2.9 (July 2004)
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* Fixed bug in rtpsrclist.cpp. Thanks to Lukasz Bobowiec
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(bobowiec@icslab.agh.edu.pl)
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* Added function in RTPSourceData which returns the IP address
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* Changed the random routines. Thanks to Jaap Keuter
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(jaap.keuter@xs4all.nl)
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* Made the shared library link against libstdc++ if possible.
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Thanks to Anatoly Yakovenko (aeyakovenko@yahoo.com) for the
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suggestion.
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2.8 (January 2004)
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* Added code to avoid a crash when receiving a malformed packet
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* Fixed a memory leak (forgot to free memory when a malformed
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packet was discarded)
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* Changed debug routines for memory tracking
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2.7b (November 2003)
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* Only added --enable-fpic and --enable-fPIC to the configure script
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2.7 (December 2002)
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* Fixed important bug in rtpsources.cpp. This bug could cause
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source information to get lost and could create a memory leak.
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* Improved support for AIX in multicasting code (uses _AIX define).
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Thanks to Klaus Matuschek (klaus.matuschek@infonova.com)
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* Fixed possible buffer overrun in rtpcontributingsources.cpp
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2.6 (January 2002)
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* This release only contains some minor changes
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* An 'install' target was added to the Makefile
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* Some newlines were added add the end of certain files to avoid
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compiler warnings
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* Improved the jitter calculations somewhat
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2.5 (December 2000)
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* Added the possibility for the user to receive the raw RTCP packets.
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* Fixed a bug in RTPContributingSources::CreateLocalCNAME(). In this
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routine, the wrong length was passed to 'gethostname'. Thanks to
|
||
|
|
Sergey V.Shpital (sergey@page.net.ru) for bringing this to my
|
||
|
|
attention.
|
||
|
|
* Added a routine to set the Type of Service (ToS) field of the
|
||
|
|
outgoing packets (both RTP and RTCP). Thank to Philippe Cardon
|
||
|
|
(philippe.cardon@bt.com) for writing this code.
|
||
|
|
* Fixed a bug in the 'packets lost' calculation. Thank to Domingo
|
||
|
|
Cuevas Jr. (dcj@onebox.com) for helping me find this bug.
|
||
|
|
* Fixed a bug in the sequence number and jitter calculation: when
|
||
|
|
packets were received out of order, the sequence numbers and
|
||
|
|
jitter got messed up. Many thanks to Mohammad Tawsheeq Russool
|
||
|
|
(m.russool@eim.surrey.ac.uk) for helping me track down these
|
||
|
|
bugs.
|
||
|
|
* Added the possibility to set the timestamp unit for a particular
|
||
|
|
source. Previously, it was assumed that their timestamp unit
|
||
|
|
was the same as that of the local session.
|
||
|
|
|
||
|
|
2.4 (July 2000)
|
||
|
|
* Fixed a bug which caused all CSRS's except one to be incorrect.
|
||
|
|
* Added RTP header extension support (for both sending and receiving).
|
||
|
|
* Added some things (which should have been there already) to
|
||
|
|
RTPPacket.
|
||
|
|
* Adjusted the way in which the login name is retrieved on unix-like
|
||
|
|
systems. First I used a call to 'getlogin', but apparently this
|
||
|
|
function messes with timers through the use of 'alarm' calls (at
|
||
|
|
least on Linux). Now, I use a combination of 'geteuid' and
|
||
|
|
'getpwuid' to obtain the necessary information. This does not
|
||
|
|
have that problem and is a lot cleaner since it doesn't depend
|
||
|
|
on login info (utmp) like 'getlogin'. Thanks to Roberto Jung Drebes
|
||
|
|
(drebes@inf.ufrgs.br) for pointing out the timer-problem.
|
||
|
|
* Made a LaTeX version of the manual and tutorial. Looks a lot nicer.
|
||
|
|
* Made it possible for the user to specify the local IP address
|
||
|
|
instead of letting the library figure it out itself.
|
||
|
|
* Fixed a bug which caused the 'fraction lost' in a RR packet to be
|
||
|
|
zero all the time. Thanks to Domingo Cuevas Jr. (dcj@onebox.com) for
|
||
|
|
pointing this out.
|
||
|
|
* Rewrote the RTCP packet sending routines. Now, they are much cleaner
|
||
|
|
and much more understandable :)
|
||
|
|
* Added better support for RTCP 'APP' packets. You can now both send
|
||
|
|
and receive APP packets.
|
||
|
|
|
||
|
|
2.3 (April 2000)
|
||
|
|
* The routine which creates and sends RTCP packets is now a bit faster.
|
||
|
|
* Added a sample that demonstrates the round-trip time function.
|
||
|
|
* Added functions to RTPSourceData: now the time when the last RR or
|
||
|
|
SR report was received can be retrieved. Also, the round trip time
|
||
|
|
can be retrieved: this is calculated as suggested in RFC 1889.
|
||
|
|
* Fixed a bug: the LSR value was not calculated correctly, now it is
|
||
|
|
(or should be ;-) )
|
||
|
|
* Instead of specifying defines on the command line, they are now
|
||
|
|
defined in a config file. The unix version of this file is created
|
||
|
|
by the configure script.
|
||
|
|
* Added a member to RTPPacket which I had forgotten (the payload type,
|
||
|
|
which is obviously important :-) ).
|
||
|
|
* The library should now be able to work on a VxWorks platform. Thanks
|
||
|
|
to Dave Osborne (dosborne@argoneng.com) for his help.
|
||
|
|
* Added a tutorial and a small example application.
|
||
|
|
* Added some debugging routines (RTPDebug class) to check for memory
|
||
|
|
leaks. It turned out that there weren't any, so I'm pretty pleased ;)
|
||
|
|
* I've added a 'configure' script to make compilation a bit easier
|
||
|
|
across different platforms. Thanks to Qi Han (qh1c4@mizzou.edu) for
|
||
|
|
helping me to improve the support for the Solaris platform. Also
|
||
|
|
many thanks to Dario Maggiorini (dario@netdev.usr.dsi.unimi.it) for
|
||
|
|
helping me test the script on several platforms.
|
||
|
|
* Added multicasting support.
|
||
|
|
* A bug in rtpsourcedata.cpp was pointed out and fixed by Ramon Clout
|
||
|
|
(ramonc@win.tue.nl). Many thanks for this, Ramon.
|
||
|
|
|
||
|
|
2.2 (February 2000)
|
||
|
|
* Extra support for Sun and HP. Thanks to Henry Lau (hlau@nuera.com)
|
||
|
|
and Justin Matthews (jmatthews@nuera.com) for this information.
|
||
|
|
* The 'Poll' routine in rtpconnection.cpp has been altered. Now, the
|
||
|
|
routine should work even if there's that ioctl bug (previously, this
|
||
|
|
bug was only taken into consideration on a Windows platform).
|
||
|
|
Thanks to Justin Matthews (jmatthews@nuera.com) for his bugreport.
|
||
|
|
* Added some routines to RTPSession to get the local IP address and the
|
||
|
|
port number of the sending socket.
|
||
|
|
* 'install' rule added to the makefile.
|
||
|
|
* Added the define 'RTP_SOCKLENTYPE_UINT'. See README.TXT for more
|
||
|
|
information about this.
|
||
|
|
|
||
|
|
2.1 (December 1999)
|
||
|
|
* First release of jrtplib.
|
||
|
|
* Added member functions of RTPSession to retrieve the used sockets.
|
||
|
|
* Made the destination list faster by using a hash table.
|
||
|
|
|
||
|
|
2.0 (August 1999)
|
||
|
|
* First decent implementation of RTP. Entirely rewritten since 1.0.
|
||
|
|
|
||
|
|
1.0 (August 1999)
|
||
|
|
* First implementation of RTP. There were a lot of things that weren't
|
||
|
|
quite right and the organisation of the classes was quite nasty.
|
||
|
|
However, I learned a lot about RTP making this version, and so it
|
||
|
|
allowed me to make a good start on version 2.0.
|