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