PeerStreamer

version <next>:

- DV encoder, DV muxer

- Microsoft RLE video decoder

- Microsoft Video-1 decoder

- Apple Video (RPZA) decoder

- Cinepak decoder

- Sega FILM (CPK) file demuxer

- Westwood multimedia support (VQA/AUD file demuxer, audio decoder)

version 0.4.8:

- MPEG2 video encoding (Michael)

- Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)

- Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson

  and Mario Brito)

- Xan DPCM audio decoder (Mario Brito)

- Interplay MVE playback subsystem (Mike Melanson)

- Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)

version 0.4.7:

- RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from a mplayerhq

  (originally from public domain player for Amiga at http://www.honeypot.net/audio)

- Current version now also compiles with older GCC (Fabrice)

- 4X multimedia playback system including 4xm file demuxer (Mike

  Melanson), and 4X video and audio codecs (Michael)

- Creative YUV (CYUV) decoder (Mike Melanson)

- FFV1 codec (our very simple lossless intra only codec, compresses much better

  then huffyuv) (Michael)

- ASV1 (Asus), H.264, Intel indeo3 codecs has been added (Various)

- Tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with

  alpha support), JPEG YUV colorspace support. (Fabrice Bellard)

- ffplay has been replaced with a newer version which uses SDL (optionally)

  for multi platform support (fabrice)

- Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated

  by anonymous

- AMR format has been added (Johannes Carlsson)

- 3gp support has been added (Johannes Carlsson)

- VP3 codec has been added (Mike Melanson)

- more MPEG-1/2 fixes

- Better Multi platform support, MS Visual Studio fixes (various)

- Altivec optimizations (Magnus Damn and others)

- SH4 processor support has been added (BERO)

- New public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)

- VOB Streaming support (Brian Foley)

- Better MP3 Autodetection (Andriy Rysin)

- qpel encoding (Michael)

- 4mv+b frames encoding finally fixed (Michael)

- chroma ME (Michael)

- 5 comparission functions for ME (Michael)

- b frame encoding speedup (Michael)

- wmv2 codec (unfinished - Michael)

- user specified diamond size for EPZS (Michael)

- Playstation STR playback subsystem, still experimental (Mike and Michael)

- ASV2 codec (Michael)

- CLJR decoder (Alex)

.. And lots more new enhances and fixes.

version 0.4.6:

- completely new integer only mpeg audio layer 1/2/3 decoder rewritten

  from scratch.

- recoded dct and motion vector search with gcc (no longer depends on

  nasm).

- fix quantization bug in AC3 encoder.

- added PCM codecs and format. Corrected wav/avi/asf pcm issues.

- added prototype ffplay program.

- added GOB header parsing on H.263/H.263+ decoder. (Juanjo)

- bug fix on MCBPC tables of H.263. (Juanjo)

- bug fix on DC coefficients of H.263. (Juanjo)

- added Advanced Prediction Mode on H.263/H.263+ decoder. (Juanjo)

- now we can decode H.263 streams found on QuickTime files. (Juanjo)

- now we can decode H.263 streams found on VIVO v1 files.(Juanjo)

- preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)

- added GOB header for H.263/H.263+ coding on RTP mode. (Juanjo)

- now H.263 picture size is returned on the first decoded frame. (Juanjo)

- added first regression tests

- added MPEG2 TS demux

- new demux API for libav

- more accurate and faster IDCT (Michael)

- faster and entropy controlled motion search (Michael)

- two pass video encoding (Michael)

- new video rate control (Michael)

- added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)

- great performance improvement of video encoders and decoders (Michael)

- new and faster bit readers and vlc parsers (Michael)

- high quality encoding mode : tries all macroblock/VLC types (Michael)

- added DV video decoder

- preliminary RTP/RTSP support in ffserver and libavformat

- H.263+ AIC decoding/encoding support. (Juanjo)

- VCD MPEG-PS mode. (Juanjo)

- PSNR stuff. (Juanjo)

- Simple stats output. (Juanjo)

- 16-bit and 15-bit rgb/bgr/gbr support (Bisqwit)

version 0.4.5:

- some header fixes (Zdenek Kabelac <kabi@informatics.muni.cz>).

- many MMX optimizations (Nick Kurshev <nickols_k@mail.ru>).

- added configure system (actually a small shell script).

- added mpeg audio layer 1/2/3 decoding using LGPL'ed mpglib by

  Michael Hipp (temporary solution - waiting for integer only

  decoder).

- fixed VIDIOCSYNC interrupt.

- added Intel H263 decoding support ('I263' avi fourCC)

- added Real Video 1.0 decoding (needs further testing).

- simplified image formats again. Added PGM format (=grey

  pgm). Renamed old PGM to PGMYUV.

- fixed msmpeg4 slice issues (tell me if you still find problems).

- fixed opendivx bugs with newer versions (added VOL header decoding).

- added support for mplayer interface.

- added macroblock skip optimization.

- added MJPEG decoder.

- added mmx/mmxext idct from libmpeg2.

- added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer

  <celer@shell.scrypt.net>).

- added pixel format convertion layer (e.g. for MJPEG or PPM).

- added deinterlacing option.

- mpeg1/2 fixes.

- mpeg4 vol header fixes (Jonathan Marsden <snmjbm@pacbell.net>).

- ARM optimizations (Lionel Ulmer <lionel.ulmer@free.fr>).

- Windows porting of file converter.

- added MJPEG raw format (input/ouput).

- added JPEG image format support (input/output).

version 0.4.4:

- fixed some std header definitions (Bjorn Lindgren

  <bjorn.e.lindgren@telia.com>).

- added mpeg demux (mpeg 1 and 2 compatible).

- added ASF demux.

- added prototype RM demux.

- added AC3 decoding (done with libac3 by Aaron Holtzman).

- added decoding codec parameter guessing (.e.g. for mpeg, because the

  header does not include them).

- fixed header generation in mpeg1, AVI and ASF mux : wmplayer can now

  play them (only tested video).

- fixed h263 white bug.

- fixed phase rounding in img resample filter.

- add mmx code for polyphase img resample filter.

- added CPU autodetect.

- added generic title/author/copyright/comment string handling (ASF and RM use them).

- added SWF demux to extract MP3 track (not usable yet because no MP3

  decoder).

- added fractional frame rate support.

- codecs are no longer searched by read_header() (should fix ffserver

  segfault).

version 0.4.3:

- BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq@amsat.org>).

- fixed raw yuv output.

- added motion rounding support in MPEG4.

- fixed motion bug rounding in MSMPEG4.

- added B frame handling in video core.

- added full MPEG1 decoding support.

- added partial (frame only) MPEG2 support.

- changed the FOURCC code for H.263 to "U263" to be able to see the

+AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with

this +codec ;) (JuanJo).

- Halfpel motion estimation after mb type selection (JuanJo).

- added pgm and .Y.U.V output format.

- suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or

  output.

- added pgmpipe I/O format (original patch from Martin Aumueller

  <lists@reserv.at>, but changed completely since we use a format

  instead of a protocol).

version 0.4.2:

- added H263/MPEG4/MSMPEG4 decoding support. MPEG4 decoding support

  (for openDIVX) is almost complete: 8x8 MVs and rounding are

  missing. MSMPEG4 support is complete.

- added prototype MPEG1 decoder. Only I and P frames handled yet (it

  can decode ffmpeg mpegs :-)).

- added libavcodec API documentation (see apiexample.c).

- fixed image polyphase bug (the bottom of some images could be

  greenish).

- added support for non clipped motion vectors (decoding only)

  and image sizes non multiple of 16.

- added support for AC prediction (decoding only).

- added file overwrite confirmation (can be disabled with -y).

- Added custom size picture to H.263 using H.263+ (Juanjo).

version 0.4.1:

- added MSMPEG4 (aka DIVX) compatible encoder. Changed default codec

  of avi and asf to DIV3.

- added -me option to set motion estimation method

  (default=log). suppressed redundant -hq option.

- added options -acodec and -vcodec to force a given codec (useful for

  AVI for example).

- fixed -an option.

- improved dct_quantize speed.

- factorized some motion estimation code.

version 0.4.0:

- removing grab code from ffserver and moved it to ffmpeg. Added multi

  stream support to ffmpeg.

- added timeshifting support for live feeds (option ?date=xxx in the

  URL).

- added high quality image resize code with polyphase filter (need

  mmx/see optimisation). Enable multiple image size support in ffserver.

- added multi live feed support in ffserver.

- suppressed master feature from ffserver (it should be done with an

  external program which opens the .ffm url and writes it to another

  ffserver).

- added preliminary support for video stream parsing (wav and avi half

  done). Added proper support for audio/video file convertion in

  ffmpeg.

- added preliminary support for video file sending from ffserver.

- redesigning I/O subsystem : now using URL based input and output

  (see avio.h).

- added wav format support.

- added "tty user interface" to ffmpeg to stop grabbing gracefully.

- added MMX/SSE optimizations to SAD (Sums of Absolutes Diferences)

  (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo@atmlab.utfsm.cl>).

- added MMX DCT from mpeg2_movie 1.5 (Juanjo).

- added new motion estimation algorithms, log and phods (Juanjo).

- changed directories : libav for format handling, libavcodec for

  codecs.

version 0.3.4:

- added stereo in mpeg audio encoder.

version 0.3.3:

- added 'high quality' mode which use motion vectors. It can be used in

  real time at low resolution.

- fixed rounding problems which caused quality problems at high

  bitrates and large gop size.

version 0.3.2: small fixes

- asf fixes

- put_seek bug fix

version 0.3.1: added avi/divx support

- added avi support

- added mpeg4 codec compatible with open divx. It is based on the h263

  codec.

- added sound for flash format (not tested)

version 0.3: initial public release