Entries are sorted chronologically from oldest to youngest within each release,
 releases are sorted from youngest to oldest.
 

 
 version 0.5.5:
 
 - Fix memory (re)allocation in matroskadec.c (MSVR11-011/CVE-2011-3504)
 - Fix some crashes with invalid bitstreams in the CAVS decoder
   (CVE-2011-3362, CVE-2011-3973, CVE-2011-3974)
 - Compilation fixes for gcc-4.6, testsuite now passes again
 - Detect and handle overreads in the MJPEG decoder.

 - multiple other security fixes.

 version 0.5.4:
 

 - Fix memory corruption in WMV parsing (addresses CVE-2010-3908)

 - Fix heap corruption crashes (addresses CVE-2011-0722)

 - Fix crashes in Vorbis decoding found by zzuf (addresses CVE-2010-4704)
 - Fix another crash in Vorbis decoding (addresses CVE-2011-0480, Chrome issue 68115)
 - Fix invalid reads in VC-1 decoding (related to CVE-2011-0723)

 - Do not attempt to decode APE file with no frames
   (adresses http://packetstorm.linuxsecurity.com/1103-exploits/vlc105-dos.txt)

 version 0.5.3:
 
 - build system improvements
 - performance fix for seekable HTTP
 - fix several potentially exploitable issues in the FLIC decoder
   (addresses CVE-2010-3429)
 
 
 

 version 0.5.2:
 
 - Hurd support

 - PowerPC without AltiVec compilation issues

 - validate channels and samplerate in the Vorbis decoder
 
 
 

 version 0.5.1:
 
 - build system updates
 - documentation updates

 - libswscale now is LGPL except for x86 optimizations

 - fix for GPL code in libswscale that was erroneously activated
 - AltiVec code in libswscale is now LGPL

 - remaining GPL parts in AC-3 decoder converted to LGPL

 - (L)GPL license upgrade support

 - AMR-NB decoding/encoding, AMR-WB decoding via OpenCORE libraries

 - enable symbol versioning by default for linkers that support it

 - backport av_lockmgr_register(), see doc/APIchanges for details

 - security fixes for:
   - ASF, Ogg and MOV demuxers
   - FFv1, H.264, HuffYUV, MLP, MPEG audio and Snow decoders

 version 0.5:
 

 - The "device" muxers and demuxers are now in a new libavdevice library

 - DV50 AKA DVCPRO50 encoder, decoder, muxer and demuxer

 - DV100 AKA DVCPRO HD decoder and demuxer

 - TechSmith Camtasia (TSCC) video decoder

 - IBM Ultimotion (ULTI) video decoder

 - Sierra Online audio file demuxer and decoder
 - Apple QuickDraw (qdrw) video decoder

 - Creative ADPCM audio decoder (16 bits as well as 8 bits schemes)

 - Electronic Arts Multimedia (WVE/UV2/etc.) file demuxer

 - Miro VideoXL (VIXL) video decoder

 - H.261 video encoder

 - QPEG video decoder

 - Nullsoft Video (NSV) file demuxer

 - Shorten audio decoder

 - LOCO video decoder

 - Apple Lossless Audio Codec (ALAC) decoder

 - Winnov WNV1 video decoder

 - Autodesk Animator Studio Codec (AASC) decoder

 - Indeo 2 video decoder

 - Fraps FPS1 video decoder

 - Snow video encoder/decoder

 - Sonic audio encoder/decoder

 - Vorbis audio encoder/decoder

 - Macromedia ADPCM decoder

 - Duck TrueMotion 2 video decoder
 - support for decoding FLX and DTA extensions in FLIC files

 - H.264 custom quantization matrices support

 - ffserver fixed, it should now be usable again

 - QDM2 audio decoder

 - Real Cooker audio decoder

 - TrueSpeech audio decoder

 - WMA2 audio decoder fixed, now all files should play correctly
 - RealAudio 14.4 and 28.8 decoders fixed

 - JPEG-LS encoder and decoder

 - CamStudio video decoder

 - build system improvements
 - tabs and trailing whitespace removed from the codebase

 - AIFF/AIFF-C audio format, encoding and decoding

 - ADTS AAC file reading and writing

 - Creative VOC file reading and writing

 - American Laser Games multimedia (*.mm) playback system

 - Zip Blocks Motion Video decoder and encoder

 - improved Theora/VP3 decoder

 - True Audio (TTA) decoder

 - AVS demuxer and video decoder

 - Smacker demuxer and decoder

 - NuppelVideo/MythTV demuxer and RTjpeg decoder

 - KMVC decoder

 - MPEG-2 intra VLC support

 - MPEG-2 4:2:2 encoder

 - Flash Screen Video decoder

 - GXF demuxer

 - Chinese AVS decoder

 - GXF muxer

 - MXF demuxer

 - VC-1/WMV3/WMV9 video decoder

 - MacIntel support

 - AVISynth support

 - VMware video decoder

 - VP5 video decoder
 - VP6 video decoder

 - WavPack lossless audio decoder

 - Targa (.TGA) picture decoder

 - Delphine Software .cin demuxer/audio and video decoder

 - Tiertex .seq demuxer/video decoder

 - MTV demuxer

 - TIFF picture encoder and decoder

 - GIF picture decoder

 - Intel Music Coder decoder

 - Musepack decoder

 - Flash Screen Video encoder

 - Theora encoding via libtheora

 - BMP encoder

 - WMA encoder

 - GSM-MS encoder and decoder

 - DCA decoder

 - DXA demuxer and decoder

 - DNxHD decoder

 - Gamecube movie (.THP) playback system

 - Blackfin optimizations

 - Interplay C93 demuxer and video decoder

 - Bethsoft VID demuxer and video decoder

 - CRYO APC demuxer

 - Atrac3 decoder

 - V.Flash PTX decoder

 - RoQ muxer, RoQ audio encoder

 - Renderware TXD demuxer and decoder

 - extern C declarations for C++ removed from headers

 - sws_flags command line option

 - codebook generator

 - RoQ video encoder

 - QTRLE encoder

 - OS/2 support removed and restored again

 - AC-3 decoder

 - NUT muxer

 - Matroska muxer

 - slice-based parallel H.264 decoding

 - Monkey's Audio demuxer and decoder

 - additional SPARC (VIS) optimizations

 - AMV audio and video decoder

 - DNxHD encoder

 - H.264 PAFF decoding

 - Nellymoser ASAO decoder

 - Beam Software SIFF demuxer and decoder

 - libvorbis Vorbis decoding removed in favor of native decoder

 - IntraX8 (J-Frame) subdecoder for WMV2 and VC-1

 - Ogg (Theora, Vorbis and FLAC) muxer

 - PC Paintbrush PCX decoder
 - Sun Rasterfile decoder

 - TechnoTrend PVA demuxer

 - Linux Media Labs MPEG-4 (LMLM4) demuxer

 - AVM2 (Flash 9) SWF muxer

 - QT variant of IMA ADPCM encoder

 - VFW grabber

 - iPod/iPhone compatible mp4 muxer

 - Mimic decoder

 - MSN TCP Webcam stream demuxer

 - RL2 demuxer / decoder

 - IFF demuxer
 - 8SVX audio decoder

 - non-recursive Makefiles

 - BFI demuxer

 - MAXIS EA XA (.xa) demuxer / decoder

 - BFI video decoder

 - OMA demuxer

 - MLP/TrueHD decoder

 - Electronic Arts CMV decoder

 - Motion Pixels Video decoder
 - Motion Pixels MVI demuxer

 - removed animated GIF decoder/demuxer

 - D-Cinema audio muxer

 - Electronic Arts TGV decoder

 - Apple Lossless Audio Codec (ALAC) encoder

 - AAC decoder

 - floating point PCM encoder/decoder

 - MXF muxer

 - E-AC-3 support added to AC-3 decoder

 - Nellymoser ASAO encoder

 - ASS and SSA demuxer and muxer

 - liba52 wrapper removed

 - SVQ3 watermark decoding support

 - Speex decoding via libspeex

 - Electronic Arts TGQ decoder

 - RV30 and RV40 decoder

 - QCELP / PureVoice decoder

 - hybrid WavPack support

 - R3D REDCODE demuxer

 - ALSA support for playback and record

 - Electronic Arts TQI decoder

 - OpenJPEG based JPEG 2000 decoder

 - NC (NC4600) camera file demuxer

 - Gopher client support

 - MXF D-10 muxer

 - generic metadata API
 

 version 0.4.9-pre1:
 

 - DV encoder, DV muxer

 - Microsoft RLE video decoder
 - Microsoft Video-1 decoder

 - Apple Animation (RLE) decoder

 - Apple Graphics (SMC) decoder

 - Apple Video (RPZA) decoder
 - Cinepak decoder
 - Sega FILM (CPK) file demuxer

 - Westwood multimedia support (VQA & AUD files)

 - Id Quake II CIN playback support

 - 8BPS video decoder
 - FLIC playback support

 - RealVideo 2.0 (RV20) decoder
 - Duck TrueMotion v1 (DUCK) video decoder

 - Sierra VMD demuxer and video decoder

 - MSZH and ZLIB decoder support

 - SVQ1 video encoder

 - AMR-WB support

 - PPC optimizations

 - rate distortion optimal cbp support

 - rate distorted optimal ac prediction for MPEG-4

 - rate distorted optimal lambda->qp support
 - AAC encoding with libfaac
 - Sunplus JPEG codec (SP5X) support

 - use Lagrange multipler instead of QP for ratecontrol
 - Theora/VP3 decoding support

 - XA and ADX ADPCM codecs

 - export MPEG-2 active display area / pan scan

 - Add support for configuring with IBM XLC
 - floating point AAN DCT

 - initial support for zygo video (not complete)
 - RGB ffv1 support

 - new audio/video parser API
 - av_log() system
 - av_read_frame() and av_seek_frame() support
 - missing last frame fixes
 - seek by mouse in ffplay

 - noise reduction of DCT coefficients
 - H.263 OBMC & 4MV support
 - H.263 alternative inter vlc support
 - H.263 loop filter
 - H.263 slice structured mode
 - interlaced DCT support for MPEG-2 encoding

 - stuffing to stay above min_bitrate

 - MB type & QP visualization

 - frame stepping for ffplay
 - interlaced motion estimation
 - alternate scantable support
 - SVCD scan offset support

 - closed GOP support
 - SSE2 FDCT

 - quantizer noise shaping
 - G.726 ADPCM audio codec
 - MS ADPCM encoding
 - multithreaded/SMP motion estimation

 - multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263
 - multithreaded/SMP decoding for MPEG-2

 - FLAC decoder
 - Metrowerks CodeWarrior suppport

 - H.263+ custom pcf support

 - nicer output for 'ffmpeg -formats'

 - Matroska demuxer

 - SGI image format, encoding and decoding

 - H.264 loop filter support
 - H.264 CABAC support

 - nicer looking arrows for the motion vector visualization

 - improved VCD support
 - audio timestamp drift compensation

 - MPEG-2 YUV 422/444 support

 - polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample
 - better image scaling

 - H.261 support

 - correctly interleave packets during encoding
 - VIS optimized motion compensation

 - intra_dc_precision>0 encoding support
 - support reuse of motion vectors/MB types/field select values of the source video

 - more accurate deblock filter
 - padding support
 - many optimizations and bugfixes

 - FunCom ISS audio file demuxer and according ADPCM decoding

 version 0.4.8:
 

 - MPEG-2 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 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

   than HuffYUV) (Michael)
 - ASV1 (Asus), H.264, Intel indeo3 codecs have 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 multiplatform 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 multiplatform 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 comparison 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 enhancements 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 in QuickTime files (Juanjo)
 - now we can decode H.263 streams found in 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 MPEG-2 TS demuxer

 - 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 at informatics.muni.cz>)
 - many MMX optimizations (Nick Kurshev <nickols_k at 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 H.263 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 at shell.scrypt.net>)

 - added pixel format conversion layer (e.g. for MJPEG or PPM)
 - added deinterlacing option
 - MPEG-1/2 fixes

 - MPEG-4 vol header fixes (Jonathan Marsden <snmjbm at pacbell.net>)
 - ARM optimizations (Lionel Ulmer <lionel.ulmer at 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 at telia.com>).

 - added MPEG demuxer (MPEG-1 and 2 compatible).
 - added ASF demuxer
 - added prototype RM demuxer
 - 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 MPEG-1, AVI and ASF muxer: wmplayer can now
   play them (only tested video)
 - fixed H.263 white bug
 - fixed phase rounding in img resample filter
 - add MMX code for polyphase img resample filter
 - added CPU autodetection
 - 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 at amsat.org>)

 - fixed raw yuv output
 - added motion rounding support in MPEG-4
 - fixed motion bug rounding in MSMPEG4
 - added B-frame handling in video core
 - added full MPEG-1 decoding support
 - added partial (frame only) MPEG-2 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 at reserv.at>, but changed completely since we use a format

   instead of a protocol)

 
 version 0.4.2:
 

 - added H.263/MPEG-4/MSMPEG4 decoding support. MPEG-4 decoding support
   (for OpenDivX) is almost complete: 8x8 MVs and rounding are

   missing. MSMPEG4 support is complete.

 - added prototype MPEG-1 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
   multistream 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 optimization). 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 conversion 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 Differences)

   (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo at 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 MPEG-4 codec compatible with OpenDivX. It is based on the H.263 codec

 - added sound for flash format (not tested)
 
 version 0.3: initial public release