news

完整的RTP RTSP代码库

xx/xx/07 Version 1.6
    Visual Studios 2005 support (VC6.0 decommissioned)
    Many fixes for external packages (ffmpeg, x264)
    Reduce size of mp4v2, clone of h.264 tracks, new iTunes metadata fields, 
       support for stz2,
    Added twolame support for mp4live
    Support for mpeg-4 in mpeg-2 transport streams
    Consolidated some fields in SDP structures
    user contributed source for CYGWIN, ISMAcryp h.264, mp4v2 virtual IO,
       cached times in mp4v2, 

05/11/06 Version 1.5
    Added integration with libsrtp for player and mp4live
    Updated for gcc 4.0
    Integrated changes from SDL-1.2.9
    Added support for Quicktime .mov aac audio
    Fixed some issues with H.264 hinting.
    Fixed some issues with mp4v2 and metadata
    Added some atoms for OpenIPMP for mp4v2.
    Added some APIs for mp4v2 to access atom properties.
    Added wide filenames for mp4v2 for Windows.
    Changed RTP library APIs to use unsigned, const when applicable.
    Added new RTP library APIs for session creation.
    Added RFC 3605 (rtcp port doesn't have to be rtp port + 1) in player
      and mp4live.
    Smoothed out changes to audio correction in player
    Fixed player initialization when media takes a long time.
    Fixed playback of mp3 files with id3 tags.
    Added some H.264 nerd knobs in mp4live
    
11/10/05 Version 1.4
    Added restart of file recording in mp4live
    Autodetection of SRTP library for ISMACryp
    Changes for GCC 4.0
    G.711 hinter in mp4live.
    Allow multiple covers in mp4 files.
    Add correct extension for cover art extracts (user contributed)
    LPCM reading in mpeg2 program streams
    Fix audio playback stuttering when frame size might be less than callback 
        size
    Fix audio resampling problems with multiple audio streams in mp4live
    Added Stream Caption for mp4live streams.
    Added ALSA source for mp4live (off by default - user contributed)
    Added multiple input pixel formats (YUYV, UYVY, YYUV) for mp4live (V4L2 
          only)
    Added some SEI decoding in h264_parse
    Allow changing of video source during session
    Removed support for v4l
    Added latm rtp packetization for mp4live, mp4creator and mp4player
    Support for h.264, LPCM in mpeg program streams
    Some support for aac in .mov files
    mp4player support for RTSP proxies
    Shorter latency in mp4player
    Fixed h.263 file reading in mp4creator

05/18/05 Version 1.3
    Rewrite of mp4live to handle multiple streams per single video source
    Reduced footprint of mp4v2
    Updated to SDL 1.2.8
    Removed "60" from windows executables name
    Fixed H.264 extract using mp4creator to put out correct 0 0 0 1 header
    Fixed H.264 import problem using mp4creator
    Fixed a number of tool/compiler related problems
    Mp4creator will no longer create ISMA compliant OD and BIFs tracks, 
     as well as IODs unless -make-isma-10-compliant flag is used
    Added H.264 encoding using x264 to mp4live
    Added H.264, ffmpeg mpeg-4 b frames encoding to mp4live
    Added mp4videoinfo dump
    Added G.711 codec for player and mp4live
    Removed requirement installing lame and faac for mp4live
    Gcc 4.0 fixes for Mac 10.4
    Better support of webcams in mp4live
    Better support of mpeg2 in mp4 files.
    Fixed metadata problem with free atom in mp4v2
    Created mp4videoinfo utility - dumps info about mpeg4, h264 video frames 
    Add support for ISMA HREF specification in mp4live, player.
    Correctly add pts for h.264 in mp4 file (Thanks to Laurent Aimar)

12/03/04 Version 1.2
    Added 3GP, .mov support to mp4v2
    Added ffmpeg decoder support (MPEG-2, H.264, MPEG-4, Sorenson, AMR)
    Added H.264 support to mp4v2, mp4creator, player, mpeg2t
    Added --disable-xvid flag to bootstrap
    Better checking for compile flags in configure
    Fixes for gcc 3.4
    Made mp4info work with most .mov files
    Changed player plugin format to pass what media we're looking from
        (MP4 FILE, MPEG FILE, RTP, etc).
    Fixed 5.1 downconvert to stereo in player
    Mac OSX support for player
    player support for 1:1 aspect ratio
    Added AMR and H.263(rfc2429) hinters and RTP plugins
    player support for H.263 and AMR through ffmpeg
    Updated some of UCL RTP library 1.2.16 changes
    Rewrote player audio renderer for long term sync
    Fixes for player rtp base class for long term sync
    Allow player to handle timestamp discrepancies.
    Removed libmpeg3, added mpeg program stream reader code
    Multi-output mp4live from Cesar Gonzalez

05/17/04 version 1.1
    Added no-overwrite mode in mp4live
    if present, use libid3 to read ID tags
    Fixed problem with player a/v sync when relaying through DSS
    Added input video filters to mp4live
    Added player plugins for libac3 and libmpeg2 (must be installed before configuration)
    Fixed sync flag indication for mp4creator using avi files.
    Fixed so that 64 bit machines could be used easier.  Enhanced macros for
      indication of 64 bits, and for 64 bit printf formatting.
    Changed PACKAGE and VERSION for mpeg4ip to MPEG4IP_PACKAGE and
      MPEG4IP_VERSION
    Have player use mp4live configuration variable routines
    Changed so that we no longer overwrite SDL, but clone SDL audio
      with our changes.
    Mac OSX support (including mp4player) and some xcode projects for tools
    Mpeg2 transport stream file parsing for player, including crude seek
    Mpeg2 transport stream works with some mpeg2 transport stream servers - 
     use mpeg2t:// instead of rtsp://.
    Mpeg2 video encoding via ffmpeg in mp4live
    Xvid 1.0 API for mp4live, gmp4player
    Ability to enter config file parameters on command line for mp4live and gmp4player
    ISMAcryp support
    mpeg4vol and H.264 file reader utilities.
    For player, added downconverting/upconverting of channels to 1 or 2 channels,
      also added some new audio formats

12/23/03 version 1.0
    Fix incorrect timestamp on mpeg1/2 insert into mp4 file.
    Allow iTunes \0\0\0\0 atom
    Fix modal aspects of mp4live dialogs
    Added several things to README
    Fixed configuration for several different systems

11/20/03 version 1.0RC3
    Fixed compilation on SuSE 9.0 personal
    Added compatibility code for large files and Quicktime local playback
    Read aspect ratio in player for mpeg1/2/4 and set correctly

11/04/03 version 1.0RC2
    Fixed V4L2 missing parameter to VIDIOC_QBUF parameter for 2.6 kernel
    Fixed timestamp problem in mpeg1 reception - fix IPBPBP problem
    Fixed fragmentation problem in RFC 3119 reception
    Fixed profile/level problem in VOL header in mp4live
    Added xvid decoding on simple tools indicated in VOL header

10/23/03 version 1.0RC1
    Fixed non-compliance in mp4live created ISMA files with 0 length frames
    Updated profile @ level defines for audio and video
    Added V4L2 support for mp4live
    Fixed audio/video longterm lipsync problems in mp4live
    Added support for ffmpeg encoder
    Added support for released verions of xvid and faac encoders
    User fixes for several areas - porting and others
    ISO decoder speed up by Richard Chen
    Support for iTunes metadata

07/03/03 Version 0.9.9
    Added H.261 encoding for mp4live
    Fixes from April ISMA plugfest
    Minor fixes to mp4live
    Build fixes for Solaris

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