sse2 16x16 sum squared diff (306=>268 cycles on a K8)
[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
9c7fb608 13- LOCO video decoder
f770ee03 14- Apple Lossless Audio Codec (ALAC) decoder
a8a15e9d 15- Winnov WNV1 video decoder
589f8220 16- Autodesk Animator Studio Codec (AASC) decoder
bfaad39f 17- Indeo 2 video decoder
b81f8949 18- Fraps FPS1 video decoder
19- SNOW video encoder/decoder
20- Sonic audio encoder/decoder
21- Vorbis decoder
22- Macromedia ADPCM decoder
9d53d58e 23
24version 0.4.9-pre1:
4fa1c4fa 26- DV encoder, DV muxer
27- Microsoft RLE video decoder
28- Microsoft Video-1 decoder
070ed1bc 29- Apple Animation (RLE) decoder
42cad81a 30- Apple Graphics (SMC) decoder
31- Apple Video (RPZA) decoder
32- Cinepak decoder
33- Sega FILM (CPK) file demuxer
42cad81a 34- Westwood multimedia support (VQA & AUD files)
4120a53a 35- Id Quake II CIN playback support
36- 8BPS video decoder
37- FLIC playback support
38- RealVideo 2.0 (RV20) decoder
39- Duck TrueMotion v1 (DUCK) video decoder
da00f30e 40- Sierra VMD demuxer and video decoder
1defd2a8 41- MSZH and ZLIB decoder support
3b64893d 42- SVQ1 video encoder
43- AMR-WB support
44- PPC optimisations
45- rate distortion optimal cbp support
46- rate distorted optimal ac prediction for mpeg4
47- rate distorted optimal lambda->qp support
48- AAC encoding with libfaac
49- Sunplus JPEG codec (SP5X) support
50- use lagrange multipler instead of qp for ratecontrol
51- theora/VP3 decoding support
52- XA and ADX ADPCM codecs
53- export mpeg2 active display area / pan scan
54- Add support for configuring with IBM XLC
55- floating point AAN DCT
56- initial support for zygovideo (not complete)
57- rgb ffv1 support
58- new audio/video parser API
59- av_log() system
60- av_read_frame() and av_seek_frame() support
61- missing last frame fixes
62- seek by mouse in ffplay
63- noise reduction of dct coefficients
64- h263 OBMC & 4MV support
65- h263 alternative inter vlc support
66- h263 loop filter
67- h263 slice structured mode
68- interlaced DCT support for MPEG2 encoding
69- stuffing to stay above min_bitrate
70- mb type & qp vissualization
71- frame stepping for ffplay
72- interlaced motion estimation
73- alternate scantable support
74- SVCD scan offset support
75- closed gop support
76- SSE2 fdct
77- quantizer noise shaping
78- G.726 ADPCM audio codec
79- MS ADPCM encoding
80- multithreaded/SMP motion estimation
81- multithreaded/SMP encoding for MPEG1/MPEG2/MPEG4/H263
82- multithreaded/SMP decoding for MPEG2
83- FLAC decoder
84- Metrowerks CodeWarrior suppport
85- h263+ custom pcf support
86- nicer output for 'ffmpeg -formats'
87- matroska demuxer
88- SGI image format, encoding and decoding
89- h264 loop filter support
90- h264 CABAC support
91- nicer looking arrows for the motion vector vissualization
92- improved VCD support
93- audio timestamp drift compensation
94- mpeg2 YUV 422/444 support
95- polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample
96- better image scaling
97- h261 support
98- correctly interleave packets during encoding
99- VIS optimized motion compensation
100- intra_dc_precission>0 encoding support
101- support reuse of motion vectors/mb types/field select values of the source video
102- more accurate deblock filter
103- padding support
104- many optimizations and bugfixes
2fdf638b 105
106version 0.4.8:
108- MPEG2 video encoding (Michael)
d9d8910b 109- Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)
110- Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson
111 and Mario Brito)
112- Xan DPCM audio decoder (Mario Brito)
186447f8 113- Interplay MVE playback subsystem (Mike Melanson)
114- Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)
116version 0.4.7:
e07702ba 117
118- RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from a mplayerhq
119 (originally from public domain player for Amiga at
82853318 120- Current version now also compiles with older GCC (Fabrice)
121- 4X multimedia playback system including 4xm file demuxer (Mike
122 Melanson), and 4X video and audio codecs (Michael)
123- Creative YUV (CYUV) decoder (Mike Melanson)
124- FFV1 codec (our very simple lossless intra only codec, compresses much better
125 then huffyuv) (Michael)
126- ASV1 (Asus), H.264, Intel indeo3 codecs has been added (Various)
127- Tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with
128 alpha support), JPEG YUV colorspace support. (Fabrice Bellard)
129- ffplay has been replaced with a newer version which uses SDL (optionally)
130 for multi platform support (fabrice)
131- Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated
132 by anonymous
133- AMR format has been added (Johannes Carlsson)
82853318 134- 3gp support has been added (Johannes Carlsson)
135- VP3 codec has been added (Mike Melanson)
136- more MPEG-1/2 fixes
137- Better Multi platform support, MS Visual Studio fixes (various)
138- Altivec optimizations (Magnus Damn and others)
139- SH4 processor support has been added (BERO)
140- New public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)
141- VOB Streaming support (Brian Foley)
142- Better MP3 Autodetection (Andriy Rysin)
143- qpel encoding (Michael)
144- 4mv+b frames encoding finally fixed (Michael)
145- chroma ME (Michael)
146- 5 comparission functions for ME (Michael)
147- b frame encoding speedup (Michael)
e07702ba 148- wmv2 codec (unfinished - Michael)
d3d10087 149- user specified diamond size for EPZS (Michael)
150- Playstation STR playback subsystem, still experimental (Mike and Michael)
151- ASV2 codec (Michael)
152- CLJR decoder (Alex)
d3d10087 153
154.. And lots more new enhances and fixes.
d3d10087 156version 0.4.6:
739d6efa 157
158- completely new integer only mpeg audio layer 1/2/3 decoder rewritten
159 from scratch.
160- recoded dct and motion vector search with gcc (no longer depends on
161 nasm).
162- fix quantization bug in AC3 encoder.
163- added PCM codecs and format. Corrected wav/avi/asf pcm issues.
164- added prototype ffplay program.
165- added GOB header parsing on H.263/H.263+ decoder. (Juanjo)
166- bug fix on MCBPC tables of H.263. (Juanjo)
81401c1f 167- bug fix on DC coefficients of H.263. (Juanjo)
168- added Advanced Prediction Mode on H.263/H.263+ decoder. (Juanjo)
169- now we can decode H.263 streams found on QuickTime files. (Juanjo)
170- now we can decode H.263 streams found on VIVO v1 files.(Juanjo)
171- preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)
172- added GOB header for H.263/H.263+ coding on RTP mode. (Juanjo)
173- now H.263 picture size is returned on the first decoded frame. (Juanjo)
7f913a35 174- added first regression tests
175- added MPEG2 TS demux
176- new demux API for libav
177- more accurate and faster IDCT (Michael)
178- faster and entropy controlled motion search (Michael)
179- two pass video encoding (Michael)
180- new video rate control (Michael)
181- added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)
182- great performance improvement of video encoders and decoders (Michael)
183- new and faster bit readers and vlc parsers (Michael)
184- high quality encoding mode : tries all macroblock/VLC types (Michael)
185- added DV video decoder
186- preliminary RTP/RTSP support in ffserver and libavformat
b963ee3b 187- H.263+ AIC decoding/encoding support. (Juanjo)
188- VCD MPEG-PS mode. (Juanjo)
189- PSNR stuff. (Juanjo)
190- Simple stats output. (Juanjo)
a32072d0 191- 16-bit and 15-bit rgb/bgr/gbr support (Bisqwit)
739d6efa 192
193version 0.4.5:
195- some header fixes (Zdenek Kabelac &lt;;).
196- many MMX optimizations (Nick Kurshev &lt;;).
197- added configure system (actually a small shell script).
198- added mpeg audio layer 1/2/3 decoding using LGPL'ed mpglib by
199 Michael Hipp (temporary solution - waiting for integer only
200 decoder).
201- fixed VIDIOCSYNC interrupt.
202- added Intel H263 decoding support ('I263' avi fourCC)
203- added Real Video 1.0 decoding (needs further testing).
204- simplified image formats again. Added PGM format (=grey
205 pgm). Renamed old PGM to PGMYUV.
206- fixed msmpeg4 slice issues (tell me if you still find problems).
207- fixed opendivx bugs with newer versions (added VOL header decoding).
208- added support for mplayer interface.
16fbebe1 209- added macroblock skip optimization.
0c1e384c 210- added MJPEG decoder.
16fbebe1 211- added mmx/mmxext idct from libmpeg2.
0c1e384c 212- added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer
e07702ba 213 &lt;;).
214- added pixel format convertion layer (e.g. for MJPEG or PPM).
215- added deinterlacing option.
4a8c7a7f 216- mpeg1/2 fixes.
217- mpeg4 vol header fixes (Jonathan Marsden &lt;;).
218- ARM optimizations (Lionel Ulmer &lt;;).
4a8c7a7f 219- Windows porting of file converter.
220- added MJPEG raw format (input/ouput).
221- added JPEG image format support (input/output).
223version 0.4.4:
225- fixed some std header definitions (Bjorn Lindgren
e07702ba 226 &lt;;).
227- added mpeg demux (mpeg 1 and 2 compatible).
228- added ASF demux.
229- added prototype RM demux.
230- added AC3 decoding (done with libac3 by Aaron Holtzman).
231- added decoding codec parameter guessing (.e.g. for mpeg, because the
232 header does not include them).
233- fixed header generation in mpeg1, AVI and ASF mux : wmplayer can now
234 play them (only tested video).
235- fixed h263 white bug.
236- fixed phase rounding in img resample filter.
237- add mmx code for polyphase img resample filter.
238- added CPU autodetect.
239- added generic title/author/copyright/comment string handling (ASF and RM use them).
240- added SWF demux to extract MP3 track (not usable yet because no MP3
241 decoder).
242- added fractional frame rate support.
243- codecs are no longer searched by read_header() (should fix ffserver
244 segfault).
246version 0.4.3:
e07702ba 248- BGR24 patch (initial patch by Jeroen Vreeken &lt;;).
249- fixed raw yuv output.
250- added motion rounding support in MPEG4.
251- fixed motion bug rounding in MSMPEG4.
252- added B frame handling in video core.
253- added full MPEG1 decoding support.
254- added partial (frame only) MPEG2 support.
255- changed the FOURCC code for H.263 to "U263" to be able to see the
256+AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with
257this +codec ;) (JuanJo).
258- Halfpel motion estimation after mb type selection (JuanJo).
259- added pgm and .Y.U.V output format.
260- suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or
261 output.
262- added pgmpipe I/O format (original patch from Martin Aumueller
e07702ba 263 &lt;;, but changed completely since we use a format
264 instead of a protocol).
266version 0.4.2:
268- added H263/MPEG4/MSMPEG4 decoding support. MPEG4 decoding support
269 (for openDIVX) is almost complete: 8x8 MVs and rounding are
270 missing. MSMPEG4 support is complete.
271- added prototype MPEG1 decoder. Only I and P frames handled yet (it
272 can decode ffmpeg mpegs :-)).
273- added libavcodec API documentation (see apiexample.c).
274- fixed image polyphase bug (the bottom of some images could be
275 greenish).
276- added support for non clipped motion vectors (decoding only)
277 and image sizes non multiple of 16.
278- added support for AC prediction (decoding only).
279- added file overwrite confirmation (can be disabled with -y).
280- Added custom size picture to H.263 using H.263+ (Juanjo).
282version 0.4.1:
284- added MSMPEG4 (aka DIVX) compatible encoder. Changed default codec
285 of avi and asf to DIV3.
286- added -me option to set motion estimation method
287 (default=log). suppressed redundant -hq option.
288- added options -acodec and -vcodec to force a given codec (useful for
289 AVI for example).
290- fixed -an option.
291- improved dct_quantize speed.
292- factorized some motion estimation code.
294version 0.4.0:
296- removing grab code from ffserver and moved it to ffmpeg. Added multi
297 stream support to ffmpeg.
298- added timeshifting support for live feeds (option ?date=xxx in the
299 URL).
300- added high quality image resize code with polyphase filter (need
301 mmx/see optimisation). Enable multiple image size support in ffserver.
302- added multi live feed support in ffserver.
303- suppressed master feature from ffserver (it should be done with an
304 external program which opens the .ffm url and writes it to another
305 ffserver).
306- added preliminary support for video stream parsing (wav and avi half
307 done). Added proper support for audio/video file convertion in
308 ffmpeg.
309- added preliminary support for video file sending from ffserver.
310- redesigning I/O subsystem : now using URL based input and output
311 (see avio.h).
312- added wav format support.
313- added "tty user interface" to ffmpeg to stop grabbing gracefully.
314- added MMX/SSE optimizations to SAD (Sums of Absolutes Diferences)
e07702ba 315 (Juan J. Sierralta P. a.k.a. "Juanjo" &lt;;).
316- added MMX DCT from mpeg2_movie 1.5 (Juanjo).
317- added new motion estimation algorithms, log and phods (Juanjo).
318- changed directories : libav for format handling, libavcodec for
319 codecs.
321version 0.3.4:
323- added stereo in mpeg audio encoder.
325version 0.3.3:
327- added 'high quality' mode which use motion vectors. It can be used in
328 real time at low resolution.
329- fixed rounding problems which caused quality problems at high
330 bitrates and large gop size.
332version 0.3.2: small fixes
334- asf fixes
335- put_seek bug fix
337version 0.3.1: added avi/divx support
339- added avi support
340- added mpeg4 codec compatible with open divx. It is based on the h263
341 codec.
342- added sound for flash format (not tested)
344version 0.3: initial public release