doc update for Shorten codec
[libav.git] / Changelog
1version <next>
2- TechSmith Camtasia (TSCC) video decoder
d0a0bbd2 3- IBM Ultimotion (ULTI) video decoder
4- Sierra Online audio file demuxer and decoder
5- Apple QuickDraw (qdrw) video decoder
b3bfb299 6- Creative ADPCM audio decoder
ad81a9fe 7- Electronic Arts Multimedia (WVE/UV2/etc.) file demuxer
ab711b3c 8- Miro VideoXL (VIXL) video decoder
b06b45c4 9- H.261 video encoder
acfd8f0f 10- QPEG video decoder
353147ed 11- Nullsoft Video (NSV) file demuxer
13dfd2b9 12- Shorten audio decoder
9d53d58e 13
14version 0.4.9-pre1:
4fa1c4fa 16- DV encoder, DV muxer
17- Microsoft RLE video decoder
18- Microsoft Video-1 decoder
070ed1bc 19- Apple Animation (RLE) decoder
42cad81a 20- Apple Graphics (SMC) decoder
21- Apple Video (RPZA) decoder
22- Cinepak decoder
23- Sega FILM (CPK) file demuxer
42cad81a 24- Westwood multimedia support (VQA & AUD files)
4120a53a 25- Id Quake II CIN playback support
26- 8BPS video decoder
27- FLIC playback support
28- RealVideo 2.0 (RV20) decoder
29- Duck TrueMotion v1 (DUCK) video decoder
da00f30e 30- Sierra VMD demuxer and video decoder
1defd2a8 31- MSZH and ZLIB decoder support
3b64893d 32- SVQ1 video encoder
33- AMR-WB support
34- PPC optimisations
35- rate distortion optimal cbp support
36- rate distorted optimal ac prediction for mpeg4
37- rate distorted optimal lambda->qp support
38- AAC encoding with libfaac
39- Sunplus JPEG codec (SP5X) support
40- use lagrange multipler instead of qp for ratecontrol
41- theora/VP3 decoding support
42- XA and ADX ADPCM codecs
43- export mpeg2 active display area / pan scan
44- Add support for configuring with IBM XLC
45- floating point AAN DCT
46- initial support for zygovideo (not complete)
47- rgb ffv1 support
48- new audio/video parser API
49- av_log() system
50- av_read_frame() and av_seek_frame() support
51- missing last frame fixes
52- seek by mouse in ffplay
53- noise reduction of dct coefficients
54- h263 OBMC & 4MV support
55- h263 alternative inter vlc support
56- h263 loop filter
57- h263 slice structured mode
58- interlaced DCT support for MPEG2 encoding
59- stuffing to stay above min_bitrate
60- mb type & qp vissualization
61- frame stepping for ffplay
62- interlaced motion estimation
63- alternate scantable support
64- SVCD scan offset support
65- closed gop support
66- SSE2 fdct
67- quantizer noise shaping
68- G.726 ADPCM audio codec
69- MS ADPCM encoding
70- multithreaded/SMP motion estimation
71- multithreaded/SMP encoding for MPEG1/MPEG2/MPEG4/H263
72- multithreaded/SMP decoding for MPEG2
73- FLAC decoder
74- Metrowerks CodeWarrior suppport
75- h263+ custom pcf support
76- nicer output for 'ffmpeg -formats'
77- matroska demuxer
78- SGI image format, encoding and decoding
79- h264 loop filter support
80- h264 CABAC support
81- nicer looking arrows for the motion vector vissualization
82- improved VCD support
83- audio timestamp drift compensation
84- mpeg2 YUV 422/444 support
85- polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample
86- better image scaling
87- h261 support
88- correctly interleave packets during encoding
89- VIS optimized motion compensation
90- intra_dc_precission>0 encoding support
91- support reuse of motion vectors/mb types/field select values of the source video
92- more accurate deblock filter
93- padding support
94- many optimizations and bugfixes
2fdf638b 95
96version 0.4.8:
98- MPEG2 video encoding (Michael)
d9d8910b 99- Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)
100- Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson
101 and Mario Brito)
102- Xan DPCM audio decoder (Mario Brito)
186447f8 103- Interplay MVE playback subsystem (Mike Melanson)
104- Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)
106version 0.4.7:
e07702ba 107
108- RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from a mplayerhq
109 (originally from public domain player for Amiga at
82853318 110- Current version now also compiles with older GCC (Fabrice)
111- 4X multimedia playback system including 4xm file demuxer (Mike
112 Melanson), and 4X video and audio codecs (Michael)
113- Creative YUV (CYUV) decoder (Mike Melanson)
114- FFV1 codec (our very simple lossless intra only codec, compresses much better
115 then huffyuv) (Michael)
116- ASV1 (Asus), H.264, Intel indeo3 codecs has been added (Various)
117- Tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with
118 alpha support), JPEG YUV colorspace support. (Fabrice Bellard)
119- ffplay has been replaced with a newer version which uses SDL (optionally)
120 for multi platform support (fabrice)
121- Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated
122 by anonymous
123- AMR format has been added (Johannes Carlsson)
82853318 124- 3gp support has been added (Johannes Carlsson)
125- VP3 codec has been added (Mike Melanson)
126- more MPEG-1/2 fixes
127- Better Multi platform support, MS Visual Studio fixes (various)
128- Altivec optimizations (Magnus Damn and others)
129- SH4 processor support has been added (BERO)
130- New public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)
131- VOB Streaming support (Brian Foley)
132- Better MP3 Autodetection (Andriy Rysin)
133- qpel encoding (Michael)
134- 4mv+b frames encoding finally fixed (Michael)
135- chroma ME (Michael)
136- 5 comparission functions for ME (Michael)
137- b frame encoding speedup (Michael)
e07702ba 138- wmv2 codec (unfinished - Michael)
d3d10087 139- user specified diamond size for EPZS (Michael)
140- Playstation STR playback subsystem, still experimental (Mike and Michael)
141- ASV2 codec (Michael)
142- CLJR decoder (Alex)
d3d10087 143
144.. And lots more new enhances and fixes.
d3d10087 146version 0.4.6:
739d6efa 147
148- completely new integer only mpeg audio layer 1/2/3 decoder rewritten
149 from scratch.
150- recoded dct and motion vector search with gcc (no longer depends on
151 nasm).
152- fix quantization bug in AC3 encoder.
153- added PCM codecs and format. Corrected wav/avi/asf pcm issues.
154- added prototype ffplay program.
155- added GOB header parsing on H.263/H.263+ decoder. (Juanjo)
156- bug fix on MCBPC tables of H.263. (Juanjo)
81401c1f 157- bug fix on DC coefficients of H.263. (Juanjo)
158- added Advanced Prediction Mode on H.263/H.263+ decoder. (Juanjo)
159- now we can decode H.263 streams found on QuickTime files. (Juanjo)
160- now we can decode H.263 streams found on VIVO v1 files.(Juanjo)
161- preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)
162- added GOB header for H.263/H.263+ coding on RTP mode. (Juanjo)
163- now H.263 picture size is returned on the first decoded frame. (Juanjo)
7f913a35 164- added first regression tests
165- added MPEG2 TS demux
166- new demux API for libav
167- more accurate and faster IDCT (Michael)
168- faster and entropy controlled motion search (Michael)
169- two pass video encoding (Michael)
170- new video rate control (Michael)
171- added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)
172- great performance improvement of video encoders and decoders (Michael)
173- new and faster bit readers and vlc parsers (Michael)
174- high quality encoding mode : tries all macroblock/VLC types (Michael)
175- added DV video decoder
176- preliminary RTP/RTSP support in ffserver and libavformat
b963ee3b 177- H.263+ AIC decoding/encoding support. (Juanjo)
178- VCD MPEG-PS mode. (Juanjo)
179- PSNR stuff. (Juanjo)
180- Simple stats output. (Juanjo)
a32072d0 181- 16-bit and 15-bit rgb/bgr/gbr support (Bisqwit)
739d6efa 182
183version 0.4.5:
185- some header fixes (Zdenek Kabelac &lt;;).
186- many MMX optimizations (Nick Kurshev &lt;;).
187- added configure system (actually a small shell script).
188- added mpeg audio layer 1/2/3 decoding using LGPL'ed mpglib by
189 Michael Hipp (temporary solution - waiting for integer only
190 decoder).
191- fixed VIDIOCSYNC interrupt.
192- added Intel H263 decoding support ('I263' avi fourCC)
193- added Real Video 1.0 decoding (needs further testing).
194- simplified image formats again. Added PGM format (=grey
195 pgm). Renamed old PGM to PGMYUV.
196- fixed msmpeg4 slice issues (tell me if you still find problems).
197- fixed opendivx bugs with newer versions (added VOL header decoding).
198- added support for mplayer interface.
16fbebe1 199- added macroblock skip optimization.
0c1e384c 200- added MJPEG decoder.
16fbebe1 201- added mmx/mmxext idct from libmpeg2.
0c1e384c 202- added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer
e07702ba 203 &lt;;).
204- added pixel format convertion layer (e.g. for MJPEG or PPM).
205- added deinterlacing option.
4a8c7a7f 206- mpeg1/2 fixes.
207- mpeg4 vol header fixes (Jonathan Marsden &lt;;).
208- ARM optimizations (Lionel Ulmer &lt;;).
4a8c7a7f 209- Windows porting of file converter.
210- added MJPEG raw format (input/ouput).
211- added JPEG image format support (input/output).
213version 0.4.4:
215- fixed some std header definitions (Bjorn Lindgren
e07702ba 216 &lt;;).
217- added mpeg demux (mpeg 1 and 2 compatible).
218- added ASF demux.
219- added prototype RM demux.
220- added AC3 decoding (done with libac3 by Aaron Holtzman).
221- added decoding codec parameter guessing (.e.g. for mpeg, because the
222 header does not include them).
223- fixed header generation in mpeg1, AVI and ASF mux : wmplayer can now
224 play them (only tested video).
225- fixed h263 white bug.
226- fixed phase rounding in img resample filter.
227- add mmx code for polyphase img resample filter.
228- added CPU autodetect.
229- added generic title/author/copyright/comment string handling (ASF and RM use them).
230- added SWF demux to extract MP3 track (not usable yet because no MP3
231 decoder).
232- added fractional frame rate support.
233- codecs are no longer searched by read_header() (should fix ffserver
234 segfault).
236version 0.4.3:
e07702ba 238- BGR24 patch (initial patch by Jeroen Vreeken &lt;;).
239- fixed raw yuv output.
240- added motion rounding support in MPEG4.
241- fixed motion bug rounding in MSMPEG4.
242- added B frame handling in video core.
243- added full MPEG1 decoding support.
244- added partial (frame only) MPEG2 support.
245- changed the FOURCC code for H.263 to "U263" to be able to see the
246+AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with
247this +codec ;) (JuanJo).
248- Halfpel motion estimation after mb type selection (JuanJo).
249- added pgm and .Y.U.V output format.
250- suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or
251 output.
252- added pgmpipe I/O format (original patch from Martin Aumueller
e07702ba 253 &lt;;, but changed completely since we use a format
254 instead of a protocol).
256version 0.4.2:
258- added H263/MPEG4/MSMPEG4 decoding support. MPEG4 decoding support
259 (for openDIVX) is almost complete: 8x8 MVs and rounding are
260 missing. MSMPEG4 support is complete.
261- added prototype MPEG1 decoder. Only I and P frames handled yet (it
262 can decode ffmpeg mpegs :-)).
263- added libavcodec API documentation (see apiexample.c).
264- fixed image polyphase bug (the bottom of some images could be
265 greenish).
266- added support for non clipped motion vectors (decoding only)
267 and image sizes non multiple of 16.
268- added support for AC prediction (decoding only).
269- added file overwrite confirmation (can be disabled with -y).
270- Added custom size picture to H.263 using H.263+ (Juanjo).
272version 0.4.1:
274- added MSMPEG4 (aka DIVX) compatible encoder. Changed default codec
275 of avi and asf to DIV3.
276- added -me option to set motion estimation method
277 (default=log). suppressed redundant -hq option.
278- added options -acodec and -vcodec to force a given codec (useful for
279 AVI for example).
280- fixed -an option.
281- improved dct_quantize speed.
282- factorized some motion estimation code.
284version 0.4.0:
286- removing grab code from ffserver and moved it to ffmpeg. Added multi
287 stream support to ffmpeg.
288- added timeshifting support for live feeds (option ?date=xxx in the
289 URL).
290- added high quality image resize code with polyphase filter (need
291 mmx/see optimisation). Enable multiple image size support in ffserver.
292- added multi live feed support in ffserver.
293- suppressed master feature from ffserver (it should be done with an
294 external program which opens the .ffm url and writes it to another
295 ffserver).
296- added preliminary support for video stream parsing (wav and avi half
297 done). Added proper support for audio/video file convertion in
298 ffmpeg.
299- added preliminary support for video file sending from ffserver.
300- redesigning I/O subsystem : now using URL based input and output
301 (see avio.h).
302- added wav format support.
303- added "tty user interface" to ffmpeg to stop grabbing gracefully.
304- added MMX/SSE optimizations to SAD (Sums of Absolutes Diferences)
e07702ba 305 (Juan J. Sierralta P. a.k.a. "Juanjo" &lt;;).
306- added MMX DCT from mpeg2_movie 1.5 (Juanjo).
307- added new motion estimation algorithms, log and phods (Juanjo).
308- changed directories : libav for format handling, libavcodec for
309 codecs.
311version 0.3.4:
313- added stereo in mpeg audio encoder.
315version 0.3.3:
317- added 'high quality' mode which use motion vectors. It can be used in
318 real time at low resolution.
319- fixed rounding problems which caused quality problems at high
320 bitrates and large gop size.
322version 0.3.2: small fixes
324- asf fixes
325- put_seek bug fix
327version 0.3.1: added avi/divx support
329- added avi support
330- added mpeg4 codec compatible with open divx. It is based on the h263
331 codec.
332- added sound for flash format (not tested)
334version 0.3: initial public release