Entries are sorted chronologically from oldest to youngest within each release, releases are sorted from youngest to oldest. version <next>: - PB-frame decoding for H.263 - deprecated vhook subsystem removed - deprecated old scaler removed - VQF demuxer - Alpha channel scaler - PCX encoder - RTP packetization of H.263 - RTP packetization of AMR - RTP depacketization of Vorbis version 0.5: - DV50 AKA DVCPRO50 encoder, decoder, muxer 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 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 decoder - build system improvements - tabs and trailing whitespace removed from the codebase - CamStudio video decoder - 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 Motion Blocks Video decoder - improved Theora/VP3 decoder - True Audio (TTA) decoder - AVS demuxer and video decoder - JPEG-LS encoder - 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 - Vorbis audio encoder - 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 - Zip Motion Blocks Video encoder - 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 - additional SPARC (VIS) optimizations - Matroska muxer - slice-based parallel H.264 decoding - Monkey's Audio demuxer and decoder - 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 - The "device" muxers and demuxers are now in a new libavdevice library - 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 - DV100 AKA DVCPRO HD decoder and demuxer - 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 - RV40 decoder - QCELP / PureVoice decoder - RV30 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