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网络MPEG4IP流媒体开发源代码

03/05/03 Version 0.9.8
    Several changes from ISMA plugfest in IOD and RTSP.
    Fixed audio/video sync problem in mp4live, plus some other problems
       with audio destination.
    Added video profile level override.
    Some help for MAC users
    Added resync marker checking in xvid decoder.
    Added seek function in gmp4player
    For broadcasts received in gmp4player, don't wait for RTCP to be received -
      added syncronization between streams.
    Added aspect ratio changing for video in mp4player (From Maersk)
    Fixed problems with Windows platform SDK.

11/22/02 Version 0.9.7
    Improved mp4creator warning messages if VOSH/VO are not included
      in mpeg4 video from avi or .mp4v file
    Removed lame from package - version 3.92 required if mp4live is
      desired.
    Added mp4trackdump
    SDL 1.2.5 (also added ALSA buffer delay)
    Added error message from player when play command fails
    Add method of reading programs from IP/TV content manager, then
      starting them with special iptv url
    Xvid check for SSE2 instructions from Steve Schultz
    Got new TV tuner frequency lists from xawtv
    Added command to mp4creator to force 64 bit file sizes
    H.261 decoding for player
    Send immediate RTCP when starting mp4live

09/25/02 Version 0.9.6
    RTP plugins for player.
    Converted libmpeg32 to use SDL mutexes instead of pthreads
    H.263 (mpeg4 short headers) supported by ISO decoder in player
    Mpeg2 transport stream reception in player
    Work on SDL audio for smaller frame sizes
    GLIB and GTK 2.0 detection and changes
    Fixed some player RTP bugs:
    - continue sending RTCP while paused.  This will keep RTSP session open
    When have mpeg2 half-D1, convert to full-D1 for playback.
    When receiving a forward stream from DSS, don't stop right away.
    Fixed raw audio endianness in mp4live, raw audio.  Added raw audio hinting
      to mp4creator (L16 format).
    Added .mpg file to .mp4 conversion, hinting of mpeg1 and mpeg2
      according to RFC 2250 (see note on quicktime compatibility in README).
    Fixed BIFS/IOD according to ISMA Corrigenda
    For SUN, fixed xvid to take correct WORDS_BIGENDIAN define from config.h

07/15/02 Version 0.9.5
    Mpeg1/2 video codec, file playback and RFC 2250 streaming in player.
    IPv6 integration
    CELP audio plugin for player, including streaming.
    Split out rendering engine from audio sync classes
    Interoperability work for QT6 and RealOne/Envivio
    Added media aware track extraction feature to mp4creator
         includes correct extraction of AAC tracks
    Extended the mp4v2 library to provide some editting features,
        see mpeg4ip/lib/mp4v2/API_CHANGES for details

05/08/02 Version 0.9.4
    Plugin concept for player codecs (also adds YUV/PCM output from mp4 file)
    Show play time in player GUI
    Enhance message box errors when starting player session
    Added .avi file audio for PCM and mp3. (no seek).
    Added L8 and L16 rtp support to player
    Added RFC 3119 support to mp4player.
    Generate IOD in mp4live's SDP files (Envivio interoperability)
    Integrated Xvid 4/12/02 snapshot:
        Replaces OpenDivx and ffmpeg codecs for encoding
        Replaces OpenDivx for decoding in player
    OpenDivx, ffmpeg, sndfile, and DSS4 removed from distribution:
        FAAC modified to work without sndfile.

02/26/02 Version 0.9.3
    Added RFC 3119, MP3 robust RTP payload, support to mp4creator.
    Improved mp4live's synchronization of audio and video.
    Improved mp4player video resizing on Windows.
    Changed .gmp4_playlist extension to .mp4plist
    Added avidump utility.
    Updated FAAD (AAC audio decoder).
    Enhanced mp4player decode performance for ISO codec.
    Fixed a bunch of memory leaks in mp4player.
    Enhanced RTP over RTSP in mp4player
    Added Windows gui to mp4player.
    Added support for RTP over RTSP on Windows.
    Added Solaris support.
    Added raw recording support to mp4live.
    Added AAC support to mp4live.
    Fixed mp4live TV frequency tuning bug.
    Fixed mp4live audio sampling rate bugs.
    Some minor API changes to MP4 library, see lib/mp4v2/API_CHANGES

12/17/01 Version 0.9.2
    Added VC 6.0 projects for windows
    Upgraded to SDL version 1.2.3
    Added shortcut keys for mp4player video window
    Enhanced player debug reporting
    Added RTP debugging messages in player format.
    Disable player sending RTCP when b=RR:0 is set in SDP
    Added man pages for mp4v2 library API
    Added hint track reading utlities to mp4v2 library
    Fixed bugs in SDP version of IOD
    Enhanced player decode performance for all but ISO codec.

11/7/01 Version 0.9.1
    Command line encoding tools now build and run on Windows
    Added a script, mp4v1regenerate, that can convert most old mp4 files 
        created with original mp4 library to corrected mp4 file format 
        generated by new mp4 library
    Fixed bad casts in new mp4 library when creating hint tracks
    Added man pages for primary programs: 
        gmp4player, mp4creator, mp4encode, mp4live 

11/6/01 Version 0.9
    New implementation of mp4 file library and utlities.
    New implementation of mp4 file creator/hinter.
    Added RTP over RTSP (TCP) mode to player.
    Added player "catch up" code for slower processors
    ISMA compliance fixes
    Fixed RFC 2250 compliance problem
    Updated to DSS 3.0.1
    Update to UCL RTP version 1.2.8

9/17/01 Version 0.8
    Port to FreeBSD, BSD/OS, Mac OS X (including Cocoa UI for Mac OS X)
    Conversion of ISO codec to use automake
    Update to SDL 1.2.2, including BSD/OS CD-ROM enhancements.
    Fix various interoperability bugs.
    Added SDP decode debugging.
    Added HTTP fetch capability of SDP files for player,
        including HTTP redirect.
    Fix player for non-44100Hz AAC streams.
    Added setting of debug level for messages 
        from HTTP, RTSP and SDP libraries from player UI.
    Changed player bytestream to throw ints instead of chars 
        when error occurs.
    Added frame fragmentation to ISMA audio RTP bytestream.
    Added search for MP3 files.
    Added config variables for receive RTP ports for player.
    Added better player support for systems with no audio.
    
8/1/01 Version 0.7
    Added live encoding program, mp4live
    Improved player synchronization of audio and video for OSS 
        supported platforms.
    Improved OpenDivX encoder performance
    Added interleaved audio RTP payload format support
    Fixed a number of bugs with mp4 file library
    Fixed compiling on windows platforms

5/7/01 Version 0.6.2
    Fixes so that package now builds on RedHat 6.1, 6.2, 7.0, and 7.1
    LAME MP3 encoder is now included
    Fixes to play Philips MP4 files correctly
    Enabled MMX routines for OpenDivX encoder (x86 architectures only)
    Extended Darwin PlaylistBroadcaster to control multicast IP TTL.
    Faac now handles UNIX paths correctly
    Fixed several bugs in mp4encode script

4/23/01 Version 0.6.1
    Fixed interoperability between OpenDivX and ISO MPEG-4 video codecs
    Fixed RTSP interoperability problem with Darwin Streaming Server 2.0
    Updated mp4encode script to simplify the encoding process
    Player now keeps history list
    Enabled some post-processing of video in the player
    Added mp4extract utility
    Fixed avi2raw to handle zero length video frames in AVI file

3/30/01 Version 0.6
    Inclusion of the OpenDivx MPEG-4 video encoder/decoder
    Inclusion of MP3 audio in addition to AAC audio
    Inclusion of the Apple Darwin Quicktime Server
    Support for the MP4 file format
    Support for multicast streaming
    Added fullscreen mode to player
    Windows port of the player

2/5/01 Version 0.5
    Initial public release