5b8dcdbaed99ed17999e4303b74b9404275ba20e
[libav.git] / 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 - Electronic Arts Multimedia (WVE/UV2/etc.) file demuxer
8 - Miro VideoXL (VIXL) video decoder
9 - H.261 video encoder
10 - QPEG video decoder
11 - Nullsoft Video (NSV) file demuxer
12 - Shorten audio decoder
13 - LOCO video decoder
14 - Apple Lossless Audio Codec (ALAC) decoder
15 - Winnov WNV1 video decoder
16 - Autodesk Animator Studio Codec (AASC) decoder
17 - Indeo 2 video decoder
18 - Fraps FPS1 video decoder
19 - Snow video encoder/decoder
20 - Sonic audio encoder/decoder
21 - Vorbis audio decoder
22 - Macromedia ADPCM decoder
23 - Duck TrueMotion 2 video decoder
24 - support for decoding FLX and DTA extensions in FLIC files
25 - H.264 custom quantization matrices support
26 - ffserver fixed, it should now be usable again
27 - QDM2 audio decoder
28 - cook audio decoder
29 - TrueSpeech audio decoder
30 - WMA2 audio decoder fixed, now all files should play correctly
31 - RealAudio 14.4 and 28.8 decoders fixed
32 - JPEG-LS decoder
33 - CamStudio video decoder
34 - build system improvements
35 - tabs and trailing whitespace removed from the codebase
36 - AIFF/AIFF-C audio format, encoding and decoding
37
38 version 0.4.9-pre1:
39
40 - DV encoder, DV muxer
41 - Microsoft RLE video decoder
42 - Microsoft Video-1 decoder
43 - Apple Animation (RLE) decoder
44 - Apple Graphics (SMC) decoder
45 - Apple Video (RPZA) decoder
46 - Cinepak decoder
47 - Sega FILM (CPK) file demuxer
48 - Westwood multimedia support (VQA & AUD files)
49 - Id Quake II CIN playback support
50 - 8BPS video decoder
51 - FLIC playback support
52 - RealVideo 2.0 (RV20) decoder
53 - Duck TrueMotion v1 (DUCK) video decoder
54 - Sierra VMD demuxer and video decoder
55 - MSZH and ZLIB decoder support
56 - SVQ1 video encoder
57 - AMR-WB support
58 - PPC optimizations
59 - rate distortion optimal cbp support
60 - rate distorted optimal ac prediction for MPEG-4
61 - rate distorted optimal lambda->qp support
62 - AAC encoding with libfaac
63 - Sunplus JPEG codec (SP5X) support
64 - use Lagrange multipler instead of QP for ratecontrol
65 - Theora/VP3 decoding support
66 - XA and ADX ADPCM codecs
67 - export MPEG-2 active display area / pan scan
68 - Add support for configuring with IBM XLC
69 - floating point AAN DCT
70 - initial support for zygo video (not complete)
71 - RGB ffv1 support
72 - new audio/video parser API
73 - av_log() system
74 - av_read_frame() and av_seek_frame() support
75 - missing last frame fixes
76 - seek by mouse in ffplay
77 - noise reduction of DCT coefficients
78 - H.263 OBMC & 4MV support
79 - H.263 alternative inter vlc support
80 - H.263 loop filter
81 - H.263 slice structured mode
82 - interlaced DCT support for MPEG-2 encoding
83 - stuffing to stay above min_bitrate
84 - MB type & QP visualization
85 - frame stepping for ffplay
86 - interlaced motion estimation
87 - alternate scantable support
88 - SVCD scan offset support
89 - closed GOP support
90 - SSE2 FDCT
91 - quantizer noise shaping
92 - G.726 ADPCM audio codec
93 - MS ADPCM encoding
94 - multithreaded/SMP motion estimation
95 - multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263
96 - multithreaded/SMP decoding for MPEG-2
97 - FLAC decoder
98 - Metrowerks CodeWarrior suppport
99 - H.263+ custom pcf support
100 - nicer output for 'ffmpeg -formats'
101 - Matroska demuxer
102 - SGI image format, encoding and decoding
103 - H.264 loop filter support
104 - H.264 CABAC support
105 - nicer looking arrows for the motion vector vissualization
106 - improved VCD support
107 - audio timestamp drift compensation
108 - MPEG-2 YUV 422/444 support
109 - polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample
110 - better image scaling
111 - H.261 support
112 - correctly interleave packets during encoding
113 - VIS optimized motion compensation
114 - intra_dc_precision>0 encoding support
115 - support reuse of motion vectors/MB types/field select values of the source video
116 - more accurate deblock filter
117 - padding support
118 - many optimizations and bugfixes
119
120 version 0.4.8:
121
122 - MPEG-2 video encoding (Michael)
123 - Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)
124 - Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson
125 and Mario Brito)
126 - Xan DPCM audio decoder (Mario Brito)
127 - Interplay MVE playback subsystem (Mike Melanson)
128 - Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)
129
130 version 0.4.7:
131
132 - RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from mplayerhq
133 (originally from public domain player for Amiga at http://www.honeypot.net/audio)
134 - current version now also compiles with older GCC (Fabrice)
135 - 4X multimedia playback system including 4xm file demuxer (Mike
136 Melanson), and 4X video and audio codecs (Michael)
137 - Creative YUV (CYUV) decoder (Mike Melanson)
138 - FFV1 codec (our very simple lossless intra only codec, compresses much better
139 than HuffYUV) (Michael)
140 - ASV1 (Asus), H.264, Intel indeo3 codecs have been added (various)
141 - tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with
142 alpha support), JPEG YUV colorspace support. (Fabrice Bellard)
143 - ffplay has been replaced with a newer version which uses SDL (optionally)
144 for multiplatform support (Fabrice)
145 - Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated
146 by anonymous
147 - AMR format has been added (Johannes Carlsson)
148 - 3GP support has been added (Johannes Carlsson)
149 - VP3 codec has been added (Mike Melanson)
150 - more MPEG-1/2 fixes
151 - better multiplatform support, MS Visual Studio fixes (various)
152 - AltiVec optimizations (Magnus Damn and others)
153 - SH4 processor support has been added (BERO)
154 - new public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)
155 - VOB streaming support (Brian Foley)
156 - better MP3 autodetection (Andriy Rysin)
157 - qpel encoding (Michael)
158 - 4mv+b frames encoding finally fixed (Michael)
159 - chroma ME (Michael)
160 - 5 comparison functions for ME (Michael)
161 - B-frame encoding speedup (Michael)
162 - WMV2 codec (unfinished - Michael)
163 - user specified diamond size for EPZS (Michael)
164 - Playstation STR playback subsystem, still experimental (Mike and Michael)
165 - ASV2 codec (Michael)
166 - CLJR decoder (Alex)
167
168 .. And lots more new enhancements and fixes.
169
170 version 0.4.6:
171
172 - completely new integer only MPEG audio layer 1/2/3 decoder rewritten
173 from scratch
174 - Recoded DCT and motion vector search with gcc (no longer depends on nasm)
175 - fix quantization bug in AC3 encoder
176 - added PCM codecs and format. Corrected WAV/AVI/ASF PCM issues
177 - added prototype ffplay program
178 - added GOB header parsing on H.263/H.263+ decoder (Juanjo)
179 - bug fix on MCBPC tables of H.263 (Juanjo)
180 - bug fix on DC coefficients of H.263 (Juanjo)
181 - added Advanced Prediction Mode on H.263/H.263+ decoder (Juanjo)
182 - now we can decode H.263 streams found in QuickTime files (Juanjo)
183 - now we can decode H.263 streams found in VIVO v1 files(Juanjo)
184 - preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)
185 - added GOB header for H.263/H.263+ coding on RTP mode (Juanjo)
186 - now H.263 picture size is returned on the first decoded frame (Juanjo)
187 - added first regression tests
188 - added MPEG-2 TS demuxer
189 - new demux API for libav
190 - more accurate and faster IDCT (Michael)
191 - faster and entropy-controlled motion search (Michael)
192 - two pass video encoding (Michael)
193 - new video rate control (Michael)
194 - added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)
195 - great performance improvement of video encoders and decoders (Michael)
196 - new and faster bit readers and vlc parsers (Michael)
197 - high quality encoding mode: tries all macroblock/VLC types (Michael)
198 - added DV video decoder
199 - preliminary RTP/RTSP support in ffserver and libavformat
200 - H.263+ AIC decoding/encoding support (Juanjo)
201 - VCD MPEG-PS mode (Juanjo)
202 - PSNR stuff (Juanjo)
203 - simple stats output (Juanjo)
204 - 16-bit and 15-bit RGB/BGR/GBR support (Bisqwit)
205
206 version 0.4.5:
207
208 - some header fixes (Zdenek Kabelac <kabi@informatics.muni.cz>)
209 - many MMX optimizations (Nick Kurshev <nickols_k@mail.ru>)
210 - added configure system (actually a small shell script)
211 - added MPEG audio layer 1/2/3 decoding using LGPL'ed mpglib by
212 Michael Hipp (temporary solution - waiting for integer only
213 decoder)
214 - fixed VIDIOCSYNC interrupt
215 - added Intel H.263 decoding support ('I263' AVI fourCC)
216 - added Real Video 1.0 decoding (needs further testing)
217 - simplified image formats again. Added PGM format (=grey
218 pgm). Renamed old PGM to PGMYUV.
219 - fixed msmpeg4 slice issues (tell me if you still find problems)
220 - fixed OpenDivX bugs with newer versions (added VOL header decoding)
221 - added support for MPlayer interface
222 - added macroblock skip optimization
223 - added MJPEG decoder
224 - added mmx/mmxext IDCT from libmpeg2
225 - added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer
226 <celer@shell.scrypt.net>)
227 - added pixel format conversion layer (e.g. for MJPEG or PPM)
228 - added deinterlacing option
229 - MPEG-1/2 fixes
230 - MPEG-4 vol header fixes (Jonathan Marsden <snmjbm@pacbell.net>)
231 - ARM optimizations (Lionel Ulmer <lionel.ulmer@free.fr>).
232 - Windows porting of file converter
233 - added MJPEG raw format (input/ouput)
234 - added JPEG image format support (input/output)
235
236 version 0.4.4:
237
238 - fixed some std header definitions (Bjorn Lindgren
239 <bjorn.e.lindgren@telia.com>).
240 - added MPEG demuxer (MPEG-1 and 2 compatible).
241 - added ASF demuxer
242 - added prototype RM demuxer
243 - added AC3 decoding (done with libac3 by Aaron Holtzman)
244 - added decoding codec parameter guessing (.e.g. for MPEG, because the
245 header does not include them)
246 - fixed header generation in MPEG-1, AVI and ASF muxer: wmplayer can now
247 play them (only tested video)
248 - fixed H.263 white bug
249 - fixed phase rounding in img resample filter
250 - add MMX code for polyphase img resample filter
251 - added CPU autodetection
252 - added generic title/author/copyright/comment string handling (ASF and RM
253 use them)
254 - added SWF demux to extract MP3 track (not usable yet because no MP3
255 decoder)
256 - added fractional frame rate support
257 - codecs are no longer searched by read_header() (should fix ffserver
258 segfault)
259
260 version 0.4.3:
261
262 - BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq@amsat.org>)
263 - fixed raw yuv output
264 - added motion rounding support in MPEG-4
265 - fixed motion bug rounding in MSMPEG4
266 - added B-frame handling in video core
267 - added full MPEG-1 decoding support
268 - added partial (frame only) MPEG-2 support
269 - changed the FOURCC code for H.263 to "U263" to be able to see the
270 +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with
271 this +codec ;) (JuanJo).
272 - Halfpel motion estimation after MB type selection (JuanJo)
273 - added pgm and .Y.U.V output format
274 - suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or
275 output.
276 - added pgmpipe I/O format (original patch from Martin Aumueller
277 <lists@reserv.at>, but changed completely since we use a format
278 instead of a protocol)
279
280 version 0.4.2:
281
282 - added H.263/MPEG-4/MSMPEG4 decoding support. MPEG-4 decoding support
283 (for OpenDivX) is almost complete: 8x8 MVs and rounding are
284 missing. MSMPEG4 support is complete.
285 - added prototype MPEG-1 decoder. Only I- and P-frames handled yet (it
286 can decode ffmpeg MPEGs :-)).
287 - added libavcodec API documentation (see apiexample.c).
288 - fixed image polyphase bug (the bottom of some images could be
289 greenish)
290 - added support for non clipped motion vectors (decoding only)
291 and image sizes non-multiple of 16
292 - added support for AC prediction (decoding only)
293 - added file overwrite confirmation (can be disabled with -y)
294 - added custom size picture to H.263 using H.263+ (Juanjo)
295
296 version 0.4.1:
297
298 - added MSMPEG4 (aka DivX) compatible encoder. Changed default codec
299 of AVI and ASF to DIV3.
300 - added -me option to set motion estimation method
301 (default=log). suppressed redundant -hq option.
302 - added options -acodec and -vcodec to force a given codec (useful for
303 AVI for example)
304 - fixed -an option
305 - improved dct_quantize speed
306 - factorized some motion estimation code
307
308 version 0.4.0:
309
310 - removing grab code from ffserver and moved it to ffmpeg. Added
311 multistream support to ffmpeg.
312 - added timeshifting support for live feeds (option ?date=xxx in the
313 URL)
314 - added high quality image resize code with polyphase filter (need
315 mmx/see optimisation). Enable multiple image size support in ffserver.
316 - added multi live feed support in ffserver
317 - suppressed master feature from ffserver (it should be done with an
318 external program which opens the .ffm url and writes it to another
319 ffserver)
320 - added preliminary support for video stream parsing (WAV and AVI half
321 done). Added proper support for audio/video file conversion in
322 ffmpeg.
323 - added preliminary support for video file sending from ffserver
324 - redesigning I/O subsystem: now using URL based input and output
325 (see avio.h)
326 - added WAV format support
327 - added "tty user interface" to ffmpeg to stop grabbing gracefully
328 - added MMX/SSE optimizations to SAD (Sums of Absolutes Differences)
329 (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo@atmlab.utfsm.cl>)
330 - added MMX DCT from mpeg2_movie 1.5 (Juanjo)
331 - added new motion estimation algorithms, log and phods (Juanjo)
332 - changed directories: libav for format handling, libavcodec for
333 codecs
334
335 version 0.3.4:
336
337 - added stereo in MPEG audio encoder
338
339 version 0.3.3:
340
341 - added 'high quality' mode which use motion vectors. It can be used in
342 real time at low resolution.
343 - fixed rounding problems which caused quality problems at high
344 bitrates and large GOP size
345
346 version 0.3.2: small fixes
347
348 - ASF fixes
349 - put_seek bug fix
350
351 version 0.3.1: added avi/divx support
352
353 - added AVI support
354 - added MPEG-4 codec compatible with OpenDivX. It is based on the H.263 codec
355 - added sound for flash format (not tested)
356
357 version 0.3: initial public release