Changelog

   1 version <next>
   2 - TechSmith Camtasia (TSCC) video decoder
   3 - IBM Ultimotion (ULTI) video decoder
   4 - Sierra Online audio file demuxer and decoder
   5 - Apple QuickDraw (qdrw) video decoder
   6 - Creative ADPCM audio decoder
   7
   8 version 0.4.9-pre1:
   9
  10 - DV encoder, DV muxer
  11 - Microsoft RLE video decoder
  12 - Microsoft Video-1 decoder
  13 - Apple Animation (RLE) decoder
  14 - Apple Graphics (SMC) decoder
  15 - Apple Video (RPZA) decoder
  16 - Cinepak decoder
  17 - Sega FILM (CPK) file demuxer
  18 - Westwood multimedia support (VQA & AUD files)
  19 - Id Quake II CIN playback support
  20 - 8BPS video decoder
  21 - FLIC playback support
  22 - RealVideo 2.0 (RV20) decoder
  23 - Duck TrueMotion v1 (DUCK) video decoder
  24 - Sierra VMD demuxer and video decoder
  25 - MSZH and ZLIB decoder support
  26 - SVQ1 video encoder
  27 - AMR-WB support
  28 - PPC optimisations
  29 - rate distortion optimal cbp support
  30 - rate distorted optimal ac prediction for mpeg4
  31 - rate distorted optimal lambda->qp support
  32 - AAC encoding with libfaac
  33 - Sunplus JPEG codec (SP5X) support
  34 - use lagrange multipler instead of qp for ratecontrol
  35 - theora/VP3 decoding support
  36 - XA and ADX ADPCM codecs
  37 - export mpeg2 active display area / pan scan
  38 - Add support for configuring with IBM XLC
  39 - floating point AAN DCT
  40 - initial support for zygovideo (not complete)
  41 - rgb ffv1 support
  42 - new audio/video parser API
  43 - av_log() system
  44 - av_read_frame() and av_seek_frame() support
  45 - missing last frame fixes
  46 - seek by mouse in ffplay
  47 - noise reduction of dct coefficients
  48 - h263 OBMC & 4MV support
  49 - h263 alternative inter vlc support
  50 - h263 loop filter
  51 - h263 slice structured mode
  52 - interlaced DCT support for MPEG2 encoding
  53 - stuffing to stay above min_bitrate
  54 - mb type & qp vissualization
  55 - frame stepping for ffplay
  56 - interlaced motion estimation
  57 - alternate scantable support
  58 - SVCD scan offset support
  59 - closed gop support
  60 - SSE2 fdct
  61 - quantizer noise shaping
  62 - G.726 ADPCM audio codec
  63 - MS ADPCM encoding
  64 - multithreaded/SMP motion estimation
  65 - multithreaded/SMP encoding for MPEG1/MPEG2/MPEG4/H263
  66 - multithreaded/SMP decoding for MPEG2
  67 - FLAC decoder
  68 - Metrowerks CodeWarrior suppport
  69 - h263+ custom pcf support
  70 - nicer output for 'ffmpeg -formats'
  71 - matroska demuxer
  72 - SGI image format, encoding and decoding
  73 - h264 loop filter support
  74 - h264 CABAC support
  75 - nicer looking arrows for the motion vector vissualization
  76 - improved VCD support
  77 - audio timestamp drift compensation
  78 - mpeg2 YUV 422/444 support
  79 - polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample
  80 - better image scaling
  81 - h261 support
  82 - correctly interleave packets during encoding
  83 - VIS optimized motion compensation
  84 - intra_dc_precission>0 encoding support
  85 - support reuse of motion vectors/mb types/field select values of the source video
  86 - more accurate deblock filter
  87 - padding support
  88 - many optimizations and bugfixes
  89
  90 version 0.4.8:
  91
  92 - MPEG2 video encoding (Michael)
  93 - Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)
  94 - Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson
  95   and Mario Brito)
  96 - Xan DPCM audio decoder (Mario Brito)
  97 - Interplay MVE playback subsystem (Mike Melanson)
  98 - Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)
  99
 100 version 0.4.7:
 101
 102 - RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from a mplayerhq
 103   (originally from public domain player for Amiga at http://www.honeypot.net/audio)
 104 - Current version now also compiles with older GCC (Fabrice)
 105 - 4X multimedia playback system including 4xm file demuxer (Mike
 106   Melanson), and 4X video and audio codecs (Michael)
 107 - Creative YUV (CYUV) decoder (Mike Melanson)
 108 - FFV1 codec (our very simple lossless intra only codec, compresses much better
 109   then huffyuv) (Michael)
 110 - ASV1 (Asus), H.264, Intel indeo3 codecs has been added (Various)
 111 - Tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with
 112   alpha support), JPEG YUV colorspace support. (Fabrice Bellard)
 113 - ffplay has been replaced with a newer version which uses SDL (optionally)
 114   for multi platform support (fabrice)
 115 - Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated
 116   by anonymous
 117 - AMR format has been added (Johannes Carlsson)
 118 - 3gp support has been added (Johannes Carlsson)
 119 - VP3 codec has been added (Mike Melanson)
 120 - more MPEG-1/2 fixes
 121 - Better Multi platform support, MS Visual Studio fixes (various)
 122 - Altivec optimizations (Magnus Damn and others)
 123 - SH4 processor support has been added (BERO)
 124 - New public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)
 125 - VOB Streaming support (Brian Foley)
 126 - Better MP3 Autodetection (Andriy Rysin)
 127 - qpel encoding (Michael)
 128 - 4mv+b frames encoding finally fixed (Michael)
 129 - chroma ME (Michael)
 130 - 5 comparission functions for ME (Michael)
 131 - b frame encoding speedup (Michael)
 132 - wmv2 codec (unfinished - Michael)
 133 - user specified diamond size for EPZS (Michael)
 134 - Playstation STR playback subsystem, still experimental (Mike and Michael)
 135 - ASV2 codec (Michael)
 136 - CLJR decoder (Alex)
 137
 138 .. And lots more new enhances and fixes.
 139
 140 version 0.4.6:
 141
 142 - completely new integer only mpeg audio layer 1/2/3 decoder rewritten
 143   from scratch.
 144 - recoded dct and motion vector search with gcc (no longer depends on
 145   nasm).
 146 - fix quantization bug in AC3 encoder.
 147 - added PCM codecs and format. Corrected wav/avi/asf pcm issues.
 148 - added prototype ffplay program.
 149 - added GOB header parsing on H.263/H.263+ decoder. (Juanjo)
 150 - bug fix on MCBPC tables of H.263. (Juanjo)
 151 - bug fix on DC coefficients of H.263. (Juanjo)
 152 - added Advanced Prediction Mode on H.263/H.263+ decoder. (Juanjo)
 153 - now we can decode H.263 streams found on QuickTime files. (Juanjo)
 154 - now we can decode H.263 streams found on VIVO v1 files.(Juanjo)
 155 - preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)
 156 - added GOB header for H.263/H.263+ coding on RTP mode. (Juanjo)
 157 - now H.263 picture size is returned on the first decoded frame. (Juanjo)
 158 - added first regression tests
 159 - added MPEG2 TS demux
 160 - new demux API for libav
 161 - more accurate and faster IDCT (Michael)
 162 - faster and entropy controlled motion search (Michael)
 163 - two pass video encoding (Michael)
 164 - new video rate control (Michael)
 165 - added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)
 166 - great performance improvement of video encoders and decoders (Michael)
 167 - new and faster bit readers and vlc parsers (Michael)
 168 - high quality encoding mode : tries all macroblock/VLC types (Michael)
 169 - added DV video decoder
 170 - preliminary RTP/RTSP support in ffserver and libavformat
 171 - H.263+ AIC decoding/encoding support. (Juanjo)
 172 - VCD MPEG-PS mode. (Juanjo)
 173 - PSNR stuff. (Juanjo)
 174 - Simple stats output. (Juanjo)
 175 - 16-bit and 15-bit rgb/bgr/gbr support (Bisqwit)
 176
 177 version 0.4.5:
 178
 179 - some header fixes (Zdenek Kabelac &lt;kabi@informatics.muni.cz&gt;).
 180 - many MMX optimizations (Nick Kurshev &lt;nickols_k@mail.ru&gt;).
 181 - added configure system (actually a small shell script).
 182 - added mpeg audio layer 1/2/3 decoding using LGPL'ed mpglib by
 183   Michael Hipp (temporary solution - waiting for integer only
 184   decoder).
 185 - fixed VIDIOCSYNC interrupt.
 186 - added Intel H263 decoding support ('I263' avi fourCC)
 187 - added Real Video 1.0 decoding (needs further testing).
 188 - simplified image formats again. Added PGM format (=grey
 189   pgm). Renamed old PGM to PGMYUV.
 190 - fixed msmpeg4 slice issues (tell me if you still find problems).
 191 - fixed opendivx bugs with newer versions (added VOL header decoding).
 192 - added support for mplayer interface.
 193 - added macroblock skip optimization.
 194 - added MJPEG decoder.
 195 - added mmx/mmxext idct from libmpeg2.
 196 - added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer
 197   &lt;celer@shell.scrypt.net&gt;).
 198 - added pixel format convertion layer (e.g. for MJPEG or PPM).
 199 - added deinterlacing option.
 200 - mpeg1/2 fixes.
 201 - mpeg4 vol header fixes (Jonathan Marsden &lt;snmjbm@pacbell.net&gt;).
 202 - ARM optimizations (Lionel Ulmer &lt;lionel.ulmer@free.fr&gt;).
 203 - Windows porting of file converter.
 204 - added MJPEG raw format (input/ouput).
 205 - added JPEG image format support (input/output).
 206
 207 version 0.4.4:
 208
 209 - fixed some std header definitions (Bjorn Lindgren
 210   &lt;bjorn.e.lindgren@telia.com&gt;).
 211 - added mpeg demux (mpeg 1 and 2 compatible).
 212 - added ASF demux.
 213 - added prototype RM demux.
 214 - added AC3 decoding (done with libac3 by Aaron Holtzman).
 215 - added decoding codec parameter guessing (.e.g. for mpeg, because the
 216   header does not include them).
 217 - fixed header generation in mpeg1, AVI and ASF mux : wmplayer can now
 218   play them (only tested video).
 219 - fixed h263 white bug.
 220 - fixed phase rounding in img resample filter.
 221 - add mmx code for polyphase img resample filter.
 222 - added CPU autodetect.
 223 - added generic title/author/copyright/comment string handling (ASF and RM use them).
 224 - added SWF demux to extract MP3 track (not usable yet because no MP3
 225   decoder).
 226 - added fractional frame rate support.
 227 - codecs are no longer searched by read_header() (should fix ffserver
 228   segfault).
 229
 230 version 0.4.3:
 231
 232 - BGR24 patch (initial patch by Jeroen Vreeken &lt;pe1rxq@amsat.org&gt;).
 233 - fixed raw yuv output.
 234 - added motion rounding support in MPEG4.
 235 - fixed motion bug rounding in MSMPEG4.
 236 - added B frame handling in video core.
 237 - added full MPEG1 decoding support.
 238 - added partial (frame only) MPEG2 support.
 239 - changed the FOURCC code for H.263 to "U263" to be able to see the
 240 +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with
 241 this +codec ;) (JuanJo).
 242 - Halfpel motion estimation after mb type selection (JuanJo).
 243 - added pgm and .Y.U.V output format.
 244 - suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or
 245   output.
 246 - added pgmpipe I/O format (original patch from Martin Aumueller
 247   &lt;lists@reserv.at&gt;, but changed completely since we use a format
 248   instead of a protocol).
 249
 250 version 0.4.2:
 251
 252 - added H263/MPEG4/MSMPEG4 decoding support. MPEG4 decoding support
 253   (for openDIVX) is almost complete: 8x8 MVs and rounding are
 254   missing. MSMPEG4 support is complete.
 255 - added prototype MPEG1 decoder. Only I and P frames handled yet (it
 256   can decode ffmpeg mpegs :-)).
 257 - added libavcodec API documentation (see apiexample.c).
 258 - fixed image polyphase bug (the bottom of some images could be
 259   greenish).
 260 - added support for non clipped motion vectors (decoding only)
 261   and image sizes non multiple of 16.
 262 - added support for AC prediction (decoding only).
 263 - added file overwrite confirmation (can be disabled with -y).
 264 - Added custom size picture to H.263 using H.263+ (Juanjo).
 265
 266 version 0.4.1:
 267
 268 - added MSMPEG4 (aka DIVX) compatible encoder. Changed default codec
 269   of avi and asf to DIV3.
 270 - added -me option to set motion estimation method
 271   (default=log). suppressed redundant -hq option.
 272 - added options -acodec and -vcodec to force a given codec (useful for
 273   AVI for example).
 274 - fixed -an option.
 275 - improved dct_quantize speed.
 276 - factorized some motion estimation code.
 277
 278 version 0.4.0:
 279
 280 - removing grab code from ffserver and moved it to ffmpeg. Added multi
 281   stream support to ffmpeg.
 282 - added timeshifting support for live feeds (option ?date=xxx in the
 283   URL).
 284 - added high quality image resize code with polyphase filter (need
 285   mmx/see optimisation). Enable multiple image size support in ffserver.
 286 - added multi live feed support in ffserver.
 287 - suppressed master feature from ffserver (it should be done with an
 288   external program which opens the .ffm url and writes it to another
 289   ffserver).
 290 - added preliminary support for video stream parsing (wav and avi half
 291   done). Added proper support for audio/video file convertion in
 292   ffmpeg.
 293 - added preliminary support for video file sending from ffserver.
 294 - redesigning I/O subsystem : now using URL based input and output
 295   (see avio.h).
 296 - added wav format support.
 297 - added "tty user interface" to ffmpeg to stop grabbing gracefully.
 298 - added MMX/SSE optimizations to SAD (Sums of Absolutes Diferences)
 299   (Juan J. Sierralta P. a.k.a. "Juanjo" &lt;juanjo@atmlab.utfsm.cl&gt;).
 300 - added MMX DCT from mpeg2_movie 1.5 (Juanjo).
 301 - added new motion estimation algorithms, log and phods (Juanjo).
 302 - changed directories : libav for format handling, libavcodec for
 303   codecs.
 304
 305 version 0.3.4:
 306
 307 - added stereo in mpeg audio encoder.
 308
 309 version 0.3.3:
 310
 311 - added 'high quality' mode which use motion vectors. It can be used in
 312   real time at low resolution.
 313 - fixed rounding problems which caused quality problems at high
 314   bitrates and large gop size.
 315
 316 version 0.3.2: small fixes
 317
 318 - asf fixes
 319 - put_seek bug fix
 320
 321 version 0.3.1: added avi/divx support
 322
 323 - added avi support
 324 - added mpeg4 codec compatible with open divx. It is based on the h263
 325   codec.
 326 - added sound for flash format (not tested)
 327
 328 version 0.3: initial public release