c0a9fb136ef46b7e6c3b6be0d521ee0f18ae0300
[libav.git] / Changelog
1 version <next>
2 - DV50 AKA DVCPRO50 encoder, decoder, muxer and demuxer
3 - TechSmith Camtasia (TSCC) video decoder
4 - IBM Ultimotion (ULTI) video decoder
5 - Sierra Online audio file demuxer and decoder
6 - Apple QuickDraw (qdrw) video decoder
7 - Creative ADPCM audio decoder (16 bits as well as 8 bits schemes)
8 - Electronic Arts Multimedia (WVE/UV2/etc.) file demuxer
9 - Miro VideoXL (VIXL) video decoder
10 - H.261 video encoder
11 - QPEG video decoder
12 - Nullsoft Video (NSV) file demuxer
13 - Shorten audio decoder
14 - LOCO video decoder
15 - Apple Lossless Audio Codec (ALAC) decoder
16 - Winnov WNV1 video decoder
17 - Autodesk Animator Studio Codec (AASC) decoder
18 - Indeo 2 video decoder
19 - Fraps FPS1 video decoder
20 - Snow video encoder/decoder
21 - Sonic audio encoder/decoder
22 - Vorbis audio encoder/decoder
23 - Macromedia ADPCM decoder
24 - Duck TrueMotion 2 video decoder
25 - support for decoding FLX and DTA extensions in FLIC files
26 - H.264 custom quantization matrices support
27 - ffserver fixed, it should now be usable again
28 - QDM2 audio decoder
29 - Real Cooker audio decoder
30 - TrueSpeech audio decoder
31 - WMA2 audio decoder fixed, now all files should play correctly
32 - RealAudio 14.4 and 28.8 decoders fixed
33 - JPEG-LS encoder and decoder
34 - CamStudio video decoder
35 - build system improvements
36 - tabs and trailing whitespace removed from the codebase
37 - AIFF/AIFF-C audio format, encoding and decoding
38 - ADTS AAC file reading and writing
39 - Creative VOC file reading and writing
40 - American Laser Games multimedia (*.mm) playback system
41 - Zip Blocks Motion Video decoder and encoder
42 - Improved Theora/VP3 decoder
43 - True Audio (TTA) decoder
44 - AVS demuxer and video decoder
45 - Smacker demuxer and decoder
46 - NuppelVideo/MythTV demuxer and RTjpeg decoder
47 - KMVC decoder
48 - MPEG-2 intra vlc support
49 - MPEG-2 4:2:2 encoder
50 - Flash Screen Video decoder
51 - GXF demuxer
52 - Chinese AVS decoder
53 - GXF muxer
54 - MXF demuxer
55 - VC-1/WMV3/WMV9 video decoder
56 - MacIntel support
57 - AVISynth support
58 - VMware video decoder
59 - VP5 video decoder
60 - VP6 video decoder
61 - WavPack lossless audio decoder
62 - Targa (.TGA) picture decoder
63 - Delphine Software .cin demuxer/audio and video decoder
64 - Tiertex .seq demuxer/video decoder
65 - MTV demuxer
66 - TIFF picture encoder and decoder
67 - GIF picture decoder
68 - Intel Music decoder
69 - Musepack decoder
70 - Flash Screen Video encoder
71 - Theora encoding via libtheora
72 - BMP encoder
73 - WMA encoder
74 - GSM-MS encoder and decoder
75 - DCA decoder
76 - DXA demuxer and decoder
77 - DNxHD decoder
78 - Gamecube movie (.THP) playback system
79 - Blackfin optimizations
80 - Interplay C93 demuxer and video decoder
81 - Bethsoft VID demuxer and video decoder
82 - CRYO APC demuxer
83 - Atrac3 decoder
84 - V.Flash PTX decoder
85 - RoQ muxer, audio encoder
86 - Renderware TXD demuxer and decoder
87 - extern C declarations for C++ removed from headers
88 - sws_flags command line option
89 - codebook generator
90 - RoQ video encoder
91 - QTRLE encoder
92 - OS/2 support removed
93 - AC-3 decoder
94 - NUT muxer (since r10052)
95 - Matroska muxer
96 - Slice-based parallel H.264 decoding
97 - Monkey's Audio demuxer and decoder
98 - additional SPARC (VIS) optimizations
99 - AMV audio and video decoder
100 - DNxHD encoder
101 - H.264 PAFF decoding
102 - Nellymoser ASAO decoder
103 - Beam Software SIFF demuxer and decoder
104 - libvorbis Vorbis decoding removed in favor of native decoder
105
106 version 0.4.9-pre1:
107
108 - DV encoder, DV muxer
109 - Microsoft RLE video decoder
110 - Microsoft Video-1 decoder
111 - Apple Animation (RLE) decoder
112 - Apple Graphics (SMC) decoder
113 - Apple Video (RPZA) decoder
114 - Cinepak decoder
115 - Sega FILM (CPK) file demuxer
116 - Westwood multimedia support (VQA & AUD files)
117 - Id Quake II CIN playback support
118 - 8BPS video decoder
119 - FLIC playback support
120 - RealVideo 2.0 (RV20) decoder
121 - Duck TrueMotion v1 (DUCK) video decoder
122 - Sierra VMD demuxer and video decoder
123 - MSZH and ZLIB decoder support
124 - SVQ1 video encoder
125 - AMR-WB support
126 - PPC optimizations
127 - rate distortion optimal cbp support
128 - rate distorted optimal ac prediction for MPEG-4
129 - rate distorted optimal lambda->qp support
130 - AAC encoding with libfaac
131 - Sunplus JPEG codec (SP5X) support
132 - use Lagrange multipler instead of QP for ratecontrol
133 - Theora/VP3 decoding support
134 - XA and ADX ADPCM codecs
135 - export MPEG-2 active display area / pan scan
136 - Add support for configuring with IBM XLC
137 - floating point AAN DCT
138 - initial support for zygo video (not complete)
139 - RGB ffv1 support
140 - new audio/video parser API
141 - av_log() system
142 - av_read_frame() and av_seek_frame() support
143 - missing last frame fixes
144 - seek by mouse in ffplay
145 - noise reduction of DCT coefficients
146 - H.263 OBMC & 4MV support
147 - H.263 alternative inter vlc support
148 - H.263 loop filter
149 - H.263 slice structured mode
150 - interlaced DCT support for MPEG-2 encoding
151 - stuffing to stay above min_bitrate
152 - MB type & QP visualization
153 - frame stepping for ffplay
154 - interlaced motion estimation
155 - alternate scantable support
156 - SVCD scan offset support
157 - closed GOP support
158 - SSE2 FDCT
159 - quantizer noise shaping
160 - G.726 ADPCM audio codec
161 - MS ADPCM encoding
162 - multithreaded/SMP motion estimation
163 - multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263
164 - multithreaded/SMP decoding for MPEG-2
165 - FLAC decoder
166 - Metrowerks CodeWarrior suppport
167 - H.263+ custom pcf support
168 - nicer output for 'ffmpeg -formats'
169 - Matroska demuxer
170 - SGI image format, encoding and decoding
171 - H.264 loop filter support
172 - H.264 CABAC support
173 - nicer looking arrows for the motion vector vissualization
174 - improved VCD support
175 - audio timestamp drift compensation
176 - MPEG-2 YUV 422/444 support
177 - polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample
178 - better image scaling
179 - H.261 support
180 - correctly interleave packets during encoding
181 - VIS optimized motion compensation
182 - intra_dc_precision>0 encoding support
183 - support reuse of motion vectors/MB types/field select values of the source video
184 - more accurate deblock filter
185 - padding support
186 - many optimizations and bugfixes
187
188 version 0.4.8:
189
190 - MPEG-2 video encoding (Michael)
191 - Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)
192 - Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson
193 and Mario Brito)
194 - Xan DPCM audio decoder (Mario Brito)
195 - Interplay MVE playback subsystem (Mike Melanson)
196 - Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)
197
198 version 0.4.7:
199
200 - RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from mplayerhq
201 (originally from public domain player for Amiga at http://www.honeypot.net/audio)
202 - current version now also compiles with older GCC (Fabrice)
203 - 4X multimedia playback system including 4xm file demuxer (Mike
204 Melanson), and 4X video and audio codecs (Michael)
205 - Creative YUV (CYUV) decoder (Mike Melanson)
206 - FFV1 codec (our very simple lossless intra only codec, compresses much better
207 than HuffYUV) (Michael)
208 - ASV1 (Asus), H.264, Intel indeo3 codecs have been added (various)
209 - tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with
210 alpha support), JPEG YUV colorspace support. (Fabrice Bellard)
211 - ffplay has been replaced with a newer version which uses SDL (optionally)
212 for multiplatform support (Fabrice)
213 - Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated
214 by anonymous
215 - AMR format has been added (Johannes Carlsson)
216 - 3GP support has been added (Johannes Carlsson)
217 - VP3 codec has been added (Mike Melanson)
218 - more MPEG-1/2 fixes
219 - better multiplatform support, MS Visual Studio fixes (various)
220 - AltiVec optimizations (Magnus Damn and others)
221 - SH4 processor support has been added (BERO)
222 - new public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)
223 - VOB streaming support (Brian Foley)
224 - better MP3 autodetection (Andriy Rysin)
225 - qpel encoding (Michael)
226 - 4mv+b frames encoding finally fixed (Michael)
227 - chroma ME (Michael)
228 - 5 comparison functions for ME (Michael)
229 - B-frame encoding speedup (Michael)
230 - WMV2 codec (unfinished - Michael)
231 - user specified diamond size for EPZS (Michael)
232 - Playstation STR playback subsystem, still experimental (Mike and Michael)
233 - ASV2 codec (Michael)
234 - CLJR decoder (Alex)
235
236 .. And lots more new enhancements and fixes.
237
238 version 0.4.6:
239
240 - completely new integer only MPEG audio layer 1/2/3 decoder rewritten
241 from scratch
242 - Recoded DCT and motion vector search with gcc (no longer depends on nasm)
243 - fix quantization bug in AC3 encoder
244 - added PCM codecs and format. Corrected WAV/AVI/ASF PCM issues
245 - added prototype ffplay program
246 - added GOB header parsing on H.263/H.263+ decoder (Juanjo)
247 - bug fix on MCBPC tables of H.263 (Juanjo)
248 - bug fix on DC coefficients of H.263 (Juanjo)
249 - added Advanced Prediction Mode on H.263/H.263+ decoder (Juanjo)
250 - now we can decode H.263 streams found in QuickTime files (Juanjo)
251 - now we can decode H.263 streams found in VIVO v1 files(Juanjo)
252 - preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)
253 - added GOB header for H.263/H.263+ coding on RTP mode (Juanjo)
254 - now H.263 picture size is returned on the first decoded frame (Juanjo)
255 - added first regression tests
256 - added MPEG-2 TS demuxer
257 - new demux API for libav
258 - more accurate and faster IDCT (Michael)
259 - faster and entropy-controlled motion search (Michael)
260 - two pass video encoding (Michael)
261 - new video rate control (Michael)
262 - added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)
263 - great performance improvement of video encoders and decoders (Michael)
264 - new and faster bit readers and vlc parsers (Michael)
265 - high quality encoding mode: tries all macroblock/VLC types (Michael)
266 - added DV video decoder
267 - preliminary RTP/RTSP support in ffserver and libavformat
268 - H.263+ AIC decoding/encoding support (Juanjo)
269 - VCD MPEG-PS mode (Juanjo)
270 - PSNR stuff (Juanjo)
271 - simple stats output (Juanjo)
272 - 16-bit and 15-bit RGB/BGR/GBR support (Bisqwit)
273
274 version 0.4.5:
275
276 - some header fixes (Zdenek Kabelac <kabi at informatics.muni.cz>)
277 - many MMX optimizations (Nick Kurshev <nickols_k at mail.ru>)
278 - added configure system (actually a small shell script)
279 - added MPEG audio layer 1/2/3 decoding using LGPL'ed mpglib by
280 Michael Hipp (temporary solution - waiting for integer only
281 decoder)
282 - fixed VIDIOCSYNC interrupt
283 - added Intel H.263 decoding support ('I263' AVI fourCC)
284 - added Real Video 1.0 decoding (needs further testing)
285 - simplified image formats again. Added PGM format (=grey
286 pgm). Renamed old PGM to PGMYUV.
287 - fixed msmpeg4 slice issues (tell me if you still find problems)
288 - fixed OpenDivX bugs with newer versions (added VOL header decoding)
289 - added support for MPlayer interface
290 - added macroblock skip optimization
291 - added MJPEG decoder
292 - added mmx/mmxext IDCT from libmpeg2
293 - added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer
294 <celer at shell.scrypt.net>)
295 - added pixel format conversion layer (e.g. for MJPEG or PPM)
296 - added deinterlacing option
297 - MPEG-1/2 fixes
298 - MPEG-4 vol header fixes (Jonathan Marsden <snmjbm at pacbell.net>)
299 - ARM optimizations (Lionel Ulmer <lionel.ulmer at free.fr>).
300 - Windows porting of file converter
301 - added MJPEG raw format (input/ouput)
302 - added JPEG image format support (input/output)
303
304 version 0.4.4:
305
306 - fixed some std header definitions (Bjorn Lindgren
307 <bjorn.e.lindgren at telia.com>).
308 - added MPEG demuxer (MPEG-1 and 2 compatible).
309 - added ASF demuxer
310 - added prototype RM demuxer
311 - added AC3 decoding (done with libac3 by Aaron Holtzman)
312 - added decoding codec parameter guessing (.e.g. for MPEG, because the
313 header does not include them)
314 - fixed header generation in MPEG-1, AVI and ASF muxer: wmplayer can now
315 play them (only tested video)
316 - fixed H.263 white bug
317 - fixed phase rounding in img resample filter
318 - add MMX code for polyphase img resample filter
319 - added CPU autodetection
320 - added generic title/author/copyright/comment string handling (ASF and RM
321 use them)
322 - added SWF demux to extract MP3 track (not usable yet because no MP3
323 decoder)
324 - added fractional frame rate support
325 - codecs are no longer searched by read_header() (should fix ffserver
326 segfault)
327
328 version 0.4.3:
329
330 - BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq at amsat.org>)
331 - fixed raw yuv output
332 - added motion rounding support in MPEG-4
333 - fixed motion bug rounding in MSMPEG4
334 - added B-frame handling in video core
335 - added full MPEG-1 decoding support
336 - added partial (frame only) MPEG-2 support
337 - changed the FOURCC code for H.263 to "U263" to be able to see the
338 +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with
339 this +codec ;) (JuanJo).
340 - Halfpel motion estimation after MB type selection (JuanJo)
341 - added pgm and .Y.U.V output format
342 - suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or
343 output.
344 - added pgmpipe I/O format (original patch from Martin Aumueller
345 <lists at reserv.at>, but changed completely since we use a format
346 instead of a protocol)
347
348 version 0.4.2:
349
350 - added H.263/MPEG-4/MSMPEG4 decoding support. MPEG-4 decoding support
351 (for OpenDivX) is almost complete: 8x8 MVs and rounding are
352 missing. MSMPEG4 support is complete.
353 - added prototype MPEG-1 decoder. Only I- and P-frames handled yet (it
354 can decode ffmpeg MPEGs :-)).
355 - added libavcodec API documentation (see apiexample.c).
356 - fixed image polyphase bug (the bottom of some images could be
357 greenish)
358 - added support for non clipped motion vectors (decoding only)
359 and image sizes non-multiple of 16
360 - added support for AC prediction (decoding only)
361 - added file overwrite confirmation (can be disabled with -y)
362 - added custom size picture to H.263 using H.263+ (Juanjo)
363
364 version 0.4.1:
365
366 - added MSMPEG4 (aka DivX) compatible encoder. Changed default codec
367 of AVI and ASF to DIV3.
368 - added -me option to set motion estimation method
369 (default=log). suppressed redundant -hq option.
370 - added options -acodec and -vcodec to force a given codec (useful for
371 AVI for example)
372 - fixed -an option
373 - improved dct_quantize speed
374 - factorized some motion estimation code
375
376 version 0.4.0:
377
378 - removing grab code from ffserver and moved it to ffmpeg. Added
379 multistream support to ffmpeg.
380 - added timeshifting support for live feeds (option ?date=xxx in the
381 URL)
382 - added high quality image resize code with polyphase filter (need
383 mmx/see optimisation). Enable multiple image size support in ffserver.
384 - added multi live feed support in ffserver
385 - suppressed master feature from ffserver (it should be done with an
386 external program which opens the .ffm url and writes it to another
387 ffserver)
388 - added preliminary support for video stream parsing (WAV and AVI half
389 done). Added proper support for audio/video file conversion in
390 ffmpeg.
391 - added preliminary support for video file sending from ffserver
392 - redesigning I/O subsystem: now using URL based input and output
393 (see avio.h)
394 - added WAV format support
395 - added "tty user interface" to ffmpeg to stop grabbing gracefully
396 - added MMX/SSE optimizations to SAD (Sums of Absolutes Differences)
397 (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo at atmlab.utfsm.cl>)
398 - added MMX DCT from mpeg2_movie 1.5 (Juanjo)
399 - added new motion estimation algorithms, log and phods (Juanjo)
400 - changed directories: libav for format handling, libavcodec for
401 codecs
402
403 version 0.3.4:
404
405 - added stereo in MPEG audio encoder
406
407 version 0.3.3:
408
409 - added 'high quality' mode which use motion vectors. It can be used in
410 real time at low resolution.
411 - fixed rounding problems which caused quality problems at high
412 bitrates and large GOP size
413
414 version 0.3.2: small fixes
415
416 - ASF fixes
417 - put_seek bug fix
418
419 version 0.3.1: added avi/divx support
420
421 - added AVI support
422 - added MPEG-4 codec compatible with OpenDivX. It is based on the H.263 codec
423 - added sound for flash format (not tested)
424
425 version 0.3: initial public release