Changelog 22.5 KB
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Entries are sorted chronologically from oldest to youngest within each release,
releases are sorted from youngest to oldest.


5 6
version <next>:

7 8 9 10 11
- many many things we forgot because we rather write code than changelogs
- libmpcodecs video filter support (3 times as many filters than before)
- mpeg2 aspect ratio dection fixed
- libxvid aspect pickiness fixed
- Frame multithreaded decoding
12
- Lots of deprecated API cruft removed
V
Vitor Sessak 已提交
13
- fft and imdct optimizations for AVX (Sandy Bridge) processors
S
Stefano Sabatini 已提交
14 15
- showinfo filter added

16 17 18

version 0.7_beta1:

J
James Zern 已提交
19
- WebM support in Matroska de/muxer
D
Diego Biurrun 已提交
20
- low overhead Ogg muxing
21
- MMS-TCP support
J
James Zern 已提交
22
- VP8 de/encoding via libvpx
D
David Conrad 已提交
23
- Demuxer for On2's IVF format
P
Peter Ross 已提交
24
- Pictor/PC Paint decoder
25
- HE-AAC v2 decoder
26
- libfaad2 wrapper removed
27
- DTS-ES extension (XCh) decoding support
28
- native VP8 decoder
29
- RTSP tunneling over HTTP
J
Josh Allmann 已提交
30
- RTP depacketization of SVQ3
31
- -strict inofficial replaced by -strict unofficial
32
- ffplay -exitonkeydown and -exitonmousedown options added
33
- native GSM / GSM MS decoder
J
Josh Allmann 已提交
34
- RTP depacketization of QDM2
P
Peter Ross 已提交
35
- ANSI/ASCII art playback system
36
- Lego Mindstorms RSO de/muxer
S
Stefano Sabatini 已提交
37
- libavcore added
A
Aurelien Jacobs 已提交
38
- SubRip subtitle file muxer and demuxer
39
- Chinese AVS encoding via libxavs
40
- ffprobe -show_packets option added
41
- RTP packetization of Theora and Vorbis
42
- RTP depacketization of MP4A-LATM
J
Josh Allmann 已提交
43
- RTP packetization and depacketization of VP8
S
Stefano Sabatini 已提交
44
- hflip filter
45
- Apple HTTP Live Streaming demuxer
46
- a64 codec
47
- MMS-HTTP support
M
Martin Storsjö 已提交
48
- G.722 ADPCM audio encoder/decoder
Z
Zhou Zongyi 已提交
49
- R10k video decoder
50
- ocv_smooth filter
S
Stefano Sabatini 已提交
51
- frei0r wrapper filter
52
- change crop filter syntax to width:height:x:y
53
- make the crop filter accept parametric expressions
54
- make ffprobe accept AVFormatContext options
55
- yadif filter
56
- blackframe filter
57
- Demuxer for Leitch/Harris' VR native stream format (LXF)
58
- RTP depacketization of the X-QT QuickTime format
M
Martin Storsjö 已提交
59
- SAP (Session Announcement Protocol, RFC 2974) muxer and demuxer
S
Stefano Sabatini 已提交
60
- cropdetect filter
S
Stefano Sabatini 已提交
61
- ffmpeg -crop* options removed
S
Stefano Sabatini 已提交
62
- transpose filter added
63
- ffmpeg -force_key_frames option added
64
- demuxer for receiving raw rtp:// URLs without an SDP description
J
Janne Grunau 已提交
65
- single stream LATM/LOAS decoder
66
- setpts filter added
67
- Win64 support for optimized asm functions
68
- MJPEG/AVI1 to JPEG/JFIF bitstream filter
69
- ASS subtitle encoder and decoder
70
- IEC 61937 encapsulation for E-AC3, TrueHD, DTS-HD (for HDMI passthrough)
71
- overlay filter added
72
- rename aspect filter to setdar, and pixelaspect to setsar
A
Anssi Hannula 已提交
73
- IEC 61937 demuxer
A
Anatoly Nenashev 已提交
74
- Mobotix .mxg demuxer
S
Stefano Sabatini 已提交
75
- frei0r source added
76
- hqdn3d filter added
77
- RTP depacketization of QCELP
M
Michael Chinen 已提交
78
- FLAC parser added
N
Nolan L 已提交
79
- gradfun filter added
80
- AMR-WB decoder
S
Stefano Sabatini 已提交
81
- replace the ocv_smooth filter with a more generic ocv filter
P
Peter Ross 已提交
82
- Windows Televison (WTV) demuxer
A
Anton Khirnov 已提交
83
- FFmpeg metadata format muxer and demuxer
A
Aurelien Jacobs 已提交
84
- SubRip (srt) subtitle encoder and decoder
85
- floating-point AC-3 encoder added
86
- Lagarith decoder
87
- ffmpeg -copytb option added
88
- IVF muxer added
K
Kostya Shishkov 已提交
89
- Wing Commander IV movies decoder added
90
- movie source added
P
Peter Ross 已提交
91
- Bink version 'b' audio and video decoder
P
Peter Ross 已提交
92
- Bitmap Brothers JV playback system
93
- Apple HTTP Live Streaming protocol handler
B
Brad 已提交
94
- sndio support for playback and record
S
Stefano Sabatini 已提交
95
- Linux framebuffer input device added
K
Kostya Shishkov 已提交
96
- Chronomaster DFA decoder
P
Peter Ross 已提交
97
- DPX image encoder
A
Aurelien Jacobs 已提交
98
- MicroDVD subtitle file muxer and demuxer
99
- Playstation Portable PMP format demuxer
M
Mark Himsley 已提交
100
- fieldorder video filter added
101
- AAC encoding via libvo-aacenc
102
- AMR-WB encoding via libvo-amrwbenc
M
Max Horn 已提交
103
- xWMA demuxer
A
anatoly 已提交
104
- Mobotix MxPEG decoder
105 106 107 108


version 0.6:

109
- PB-frame decoding for H.263
110
- deprecated vhook subsystem removed
111
- deprecated old scaler removed
V
Vitor Sessak 已提交
112
- VQF demuxer
113
- Alpha channel scaler
114
- PCX encoder
115
- RTP packetization of H.263
116
- RTP packetization of AMR
117
- RTP depacketization of Vorbis
B
Ben Littler 已提交
118
- CorePNG decoding support
119
- Cook multichannel decoding support
120
- introduced avlanguage helpers in libavformat
121
- 8088flex TMV demuxer and decoder
122
- per-stream language-tags extraction in asfdec
123
- V210 decoder and encoder
124
- remaining GPL parts in AC-3 decoder converted to LGPL
K
Kenan Gillet 已提交
125
- QCP demuxer
126
- SoX native format muxer and demuxer
127
- AMR-NB decoding/encoding, AMR-WB decoding via OpenCORE libraries
128
- DPX image decoder
P
Peter Ross 已提交
129
- Electronic Arts Madcow decoder
130
- DivX (XSUB) subtitle encoder
131
- nonfree libamr support for AMR-NB/WB decoding/encoding removed
D
Diego Biurrun 已提交
132
- experimental AAC encoder
133
- RTP depacketization of ASF and RTSP from WMS servers
134
- RTMP support in libavformat
135
- noX handling for OPT_BOOL X options
D
Daniel Verkamp 已提交
136
- Wave64 demuxer
137
- IEC-61937 compatible Muxer
V
Vitor Sessak 已提交
138
- TwinVQ decoder
S
Stephen Backway 已提交
139
- Bluray (PGS) subtitle decoder
140
- LPCM support in MPEG-TS (HDMV RID as found on Blu-ray disks)
D
Diego Biurrun 已提交
141
- WMA Pro decoder
P
Peter Ross 已提交
142
- Core Audio Format demuxer
143 144
- Atrac1 decoder
- MD STUDIO audio demuxer
D
Daniel Verkamp 已提交
145
- RF64 support in WAV demuxer
146
- MPEG-4 Audio Lossless Coding (ALS) decoder
D
Daniel Verkamp 已提交
147
- -formats option split into -formats, -codecs, -bsfs, and -protocols
148
- IV8 demuxer
M
Michael Tison 已提交
149
- CDG demuxer and decoder
150
- R210 decoder
K
Kostya Shishkov 已提交
151
- Auravision Aura 1 and 2 decoders
P
Peter Ross 已提交
152
- Deluxe Paint Animation playback system
V
Vitor Sessak 已提交
153
- SIPR decoder
P
Peter Ross 已提交
154
- Adobe Filmstrip muxer and demuxer
155
- RTP depacketization of H.263
K
Kostya Shishkov 已提交
156
- Bink demuxer and audio/video decoders
R
Reinhard Tartler 已提交
157
- enable symbol versioning by default for linkers that support it
P
Peter Ross 已提交
158
- IFF PBM/ILBM bitmap decoder
159
- concat protocol
K
Kostya Shishkov 已提交
160
- Indeo 5 decoder
161
- RTP depacketization of AMR
D
Diego Biurrun 已提交
162 163
- WMA Voice decoder
- ffprobe tool
164
- AMR-NB decoder
M
Martin Storsjö 已提交
165
- RTSP muxer
A
Alex Converse 已提交
166
- HE-AAC v1 decoder
D
Daniel Verkamp 已提交
167
- Kega Game Video (KGV1) decoder
168
- VorbisComment writing for FLAC, Ogg FLAC and Ogg Speex files
J
Josh Allmann 已提交
169
- RTP depacketization of Theora
170
- HTTP Digest authentication
171
- RTMP/RTMPT/RTMPS/RTMPE/RTMPTE protocol support via librtmp
172
- Psygnosis YOP demuxer and video decoder
173
- spectral extension support in the E-AC-3 decoder
174
- unsharp video filter
175
- RTP hinting in the mov/3gp/mp4 muxer
176 177 178 179 180 181
- Dirac in Ogg demuxing
- seek to keyframes in Ogg
- 4:2:2 and 4:4:4 Theora decoding
- 35% faster VP3/Theora decoding
- faster AAC decoding
- faster H.264 decoding
F
Francesco Lavra 已提交
182
- RealAudio 1.0 (14.4K) encoder
183

184

D
Diego Biurrun 已提交
185 186
version 0.5:

187
- DV50 AKA DVCPRO50 encoder, decoder, muxer and demuxer
188
- TechSmith Camtasia (TSCC) video decoder
189
- IBM Ultimotion (ULTI) video decoder
190 191
- Sierra Online audio file demuxer and decoder
- Apple QuickDraw (qdrw) video decoder
192
- Creative ADPCM audio decoder (16 bits as well as 8 bits schemes)
193
- Electronic Arts Multimedia (WVE/UV2/etc.) file demuxer
194
- Miro VideoXL (VIXL) video decoder
M
Mike Melanson 已提交
195
- H.261 video encoder
196
- QPEG video decoder
M
Mike Melanson 已提交
197
- Nullsoft Video (NSV) file demuxer
M
Mike Melanson 已提交
198
- Shorten audio decoder
199
- LOCO video decoder
200
- Apple Lossless Audio Codec (ALAC) decoder
201
- Winnov WNV1 video decoder
202
- Autodesk Animator Studio Codec (AASC) decoder
D
Indeo 2  
Diego Biurrun 已提交
203
- Indeo 2 video decoder
204
- Fraps FPS1 video decoder
D
Diego Biurrun 已提交
205
- Snow video encoder/decoder
A
Alex Beregszaszi 已提交
206
- Sonic audio encoder/decoder
207
- Vorbis audio decoder
A
Alex Beregszaszi 已提交
208
- Macromedia ADPCM decoder
D
Diego Biurrun 已提交
209 210
- Duck TrueMotion 2 video decoder
- support for decoding FLX and DTA extensions in FLIC files
L
Loren Merritt 已提交
211
- H.264 custom quantization matrices support
D
Diego Biurrun 已提交
212
- ffserver fixed, it should now be usable again
D
QDM2  
Diego Biurrun 已提交
213
- QDM2 audio decoder
A
Alex Beregszaszi 已提交
214
- Real Cooker audio decoder
215
- TrueSpeech audio decoder
D
Diego Biurrun 已提交
216 217
- WMA2 audio decoder fixed, now all files should play correctly
- RealAudio 14.4 and 28.8 decoders fixed
218
- JPEG-LS decoder
D
updates  
Diego Biurrun 已提交
219 220
- build system improvements
- tabs and trailing whitespace removed from the codebase
221
- CamStudio video decoder
222
- AIFF/AIFF-C audio format, encoding and decoding
223
- ADTS AAC file reading and writing
A
Aurelien Jacobs 已提交
224
- Creative VOC file reading and writing
225
- American Laser Games multimedia (*.mm) playback system
226
- Zip Motion Blocks Video decoder
227
- improved Theora/VP3 decoder
A
Alex Beregszaszi 已提交
228
- True Audio (TTA) decoder
229
- AVS demuxer and video decoder
230
- JPEG-LS encoder
K
Kostya Shishkov 已提交
231
- Smacker demuxer and decoder
232
- NuppelVideo/MythTV demuxer and RTjpeg decoder
233
- KMVC decoder
234
- MPEG-2 intra VLC support
235
- MPEG-2 4:2:2 encoder
236
- Flash Screen Video decoder
R
Reimar Döffinger 已提交
237
- GXF demuxer
D
Diego Biurrun 已提交
238
- Chinese AVS decoder
239
- GXF muxer
B
Baptiste Coudurier 已提交
240
- MXF demuxer
D
Diego Biurrun 已提交
241
- VC-1/WMV3/WMV9 video decoder
G
Guillaume Poirier 已提交
242
- MacIntel support
243
- AVISynth support
244
- VMware video decoder
A
Aurelien Jacobs 已提交
245 246
- VP5 video decoder
- VP6 video decoder
K
Kostya Shishkov 已提交
247
- WavPack lossless audio decoder
K
Kostya Shishkov 已提交
248
- Targa (.TGA) picture decoder
249
- Vorbis audio encoder
250
- Delphine Software .cin demuxer/audio and video decoder
251
- Tiertex .seq demuxer/video decoder
252
- MTV demuxer
253
- TIFF picture encoder and decoder
254
- GIF picture decoder
255
- Intel Music Coder decoder
256
- Zip Motion Blocks Video encoder
K
Kostya Shishkov 已提交
257
- Musepack decoder
258
- Flash Screen Video encoder
D
Diego Biurrun 已提交
259
- Theora encoding via libtheora
260
- BMP encoder
D
Diego Biurrun 已提交
261
- WMA encoder
M
Michel Bardiaux 已提交
262
- GSM-MS encoder and decoder
K
Kostya Shishkov 已提交
263
- DCA decoder
K
Kostya Shishkov 已提交
264
- DXA demuxer and decoder
B
Baptiste Coudurier 已提交
265
- DNxHD decoder
266
- Gamecube movie (.THP) playback system
267
- Blackfin optimizations
268
- Interplay C93 demuxer and video decoder
269
- Bethsoft VID demuxer and video decoder
A
Anssi Hannula 已提交
270
- CRYO APC demuxer
B
Benjamin Larsson 已提交
271
- Atrac3 decoder
I
Ivo van Poorten 已提交
272
- V.Flash PTX decoder
273
- RoQ muxer, RoQ audio encoder
274
- Renderware TXD demuxer and decoder
275
- extern C declarations for C++ removed from headers
276
- sws_flags command line option
277
- codebook generator
V
Vitor Sessak 已提交
278
- RoQ video encoder
A
Alexis Ballier 已提交
279
- QTRLE encoder
D
Dave Yeo 已提交
280
- OS/2 support removed and restored again
J
Justin Ruggles 已提交
281
- AC-3 decoder
282
- NUT muxer
283
- additional SPARC (VIS) optimizations
D
David Conrad 已提交
284
- Matroska muxer
285
- slice-based parallel H.264 decoding
K
Kostya Shishkov 已提交
286
- Monkey's Audio demuxer and decoder
V
Vladimir Voroshilov 已提交
287
- AMV audio and video decoder
B
Baptiste Coudurier 已提交
288
- DNxHD encoder
C
Carl Eugen Hoyos 已提交
289
- H.264 PAFF decoding
B
Benjamin Larsson 已提交
290
- Nellymoser ASAO decoder
291
- Beam Software SIFF demuxer and decoder
292
- libvorbis Vorbis decoding removed in favor of native decoder
D
Diego Biurrun 已提交
293
- IntraX8 (J-Frame) subdecoder for WMV2 and VC-1
294
- Ogg (Theora, Vorbis and FLAC) muxer
295
- The "device" muxers and demuxers are now in a new libavdevice library
296 297
- PC Paintbrush PCX decoder
- Sun Rasterfile decoder
I
Ivo van Poorten 已提交
298
- TechnoTrend PVA demuxer
I
Ivo van Poorten 已提交
299
- Linux Media Labs MPEG-4 (LMLM4) demuxer
300
- AVM2 (Flash 9) SWF muxer
K
Kostya Shishkov 已提交
301
- QT variant of IMA ADPCM encoder
R
Ramiro Polla 已提交
302
- VFW grabber
303
- iPod/iPhone compatible mp4 muxer
R
Ramiro Polla 已提交
304
- Mimic decoder
R
Ramiro Polla 已提交
305
- MSN TCP Webcam stream demuxer
S
Sascha Sommer 已提交
306
- RL2 demuxer / decoder
307 308
- IFF demuxer
- 8SVX audio decoder
309
- non-recursive Makefiles
S
Sisir Koppaka 已提交
310
- BFI demuxer
311
- MAXIS EA XA (.xa) demuxer / decoder
S
Sisir Koppaka 已提交
312
- BFI video decoder
B
Benjamin Larsson 已提交
313
- OMA demuxer
R
Ramiro Polla 已提交
314
- MLP/TrueHD decoder
315
- Electronic Arts CMV decoder
316 317
- Motion Pixels Video decoder
- Motion Pixels MVI demuxer
318
- removed animated GIF decoder/demuxer
P
Peter Ross 已提交
319
- D-Cinema audio muxer
P
Peter Ross 已提交
320
- Electronic Arts TGV decoder
321
- Apple Lossless Audio Codec (ALAC) encoder
322
- AAC decoder
323
- floating point PCM encoder/decoder
324
- MXF muxer
325
- DV100 AKA DVCPRO HD decoder and demuxer
326
- E-AC-3 support added to AC-3 decoder
327
- Nellymoser ASAO encoder
328
- ASS and SSA demuxer and muxer
329
- liba52 wrapper removed
B
Ben Littler 已提交
330
- SVQ3 watermark decoding support
331
- Speex decoding via libspeex
P
Peter Ross 已提交
332
- Electronic Arts TGQ decoder
333
- RV40 decoder
334
- QCELP / PureVoice decoder
335
- RV30 decoder
B
Ben Littler 已提交
336
- hybrid WavPack support
B
Baptiste Coudurier 已提交
337
- R3D REDCODE demuxer
338
- ALSA support for playback and record
P
Peter Ross 已提交
339
- Electronic Arts TQI decoder
J
Jai Menon 已提交
340
- OpenJPEG based JPEG 2000 decoder
341
- NC (NC4600) camera file demuxer
342
- Gopher client support
B
Baptiste Coudurier 已提交
343
- MXF D-10 muxer
344 345
- generic metadata API

346

M
update  
Michael Niedermayer 已提交
347 348
version 0.4.9-pre1:

349
- DV encoder, DV muxer
350 351
- Microsoft RLE video decoder
- Microsoft Video-1 decoder
352
- Apple Animation (RLE) decoder
M
Mike Melanson 已提交
353
- Apple Graphics (SMC) decoder
354 355 356
- Apple Video (RPZA) decoder
- Cinepak decoder
- Sega FILM (CPK) file demuxer
M
Mike Melanson 已提交
357
- Westwood multimedia support (VQA & AUD files)
358
- Id Quake II CIN playback support
M
Mike Melanson 已提交
359 360
- 8BPS video decoder
- FLIC playback support
361 362
- RealVideo 2.0 (RV20) decoder
- Duck TrueMotion v1 (DUCK) video decoder
M
Mike Melanson 已提交
363
- Sierra VMD demuxer and video decoder
M
update  
Michael Niedermayer 已提交
364
- MSZH and ZLIB decoder support
365
- SVQ1 video encoder
M
update  
Michael Niedermayer 已提交
366
- AMR-WB support
D
Diego Biurrun 已提交
367
- PPC optimizations
M
update  
Michael Niedermayer 已提交
368
- rate distortion optimal cbp support
D
Diego Biurrun 已提交
369
- rate distorted optimal ac prediction for MPEG-4
M
update  
Michael Niedermayer 已提交
370 371 372
- rate distorted optimal lambda->qp support
- AAC encoding with libfaac
- Sunplus JPEG codec (SP5X) support
D
Diego Biurrun 已提交
373 374
- use Lagrange multipler instead of QP for ratecontrol
- Theora/VP3 decoding support
M
update  
Michael Niedermayer 已提交
375
- XA and ADX ADPCM codecs
D
Diego Biurrun 已提交
376
- export MPEG-2 active display area / pan scan
M
update  
Michael Niedermayer 已提交
377 378
- Add support for configuring with IBM XLC
- floating point AAN DCT
D
Diego Biurrun 已提交
379 380
- initial support for zygo video (not complete)
- RGB ffv1 support
M
update  
Michael Niedermayer 已提交
381 382 383 384 385
- new audio/video parser API
- av_log() system
- av_read_frame() and av_seek_frame() support
- missing last frame fixes
- seek by mouse in ffplay
D
Diego Biurrun 已提交
386 387 388 389 390 391
- noise reduction of DCT coefficients
- H.263 OBMC & 4MV support
- H.263 alternative inter vlc support
- H.263 loop filter
- H.263 slice structured mode
- interlaced DCT support for MPEG-2 encoding
M
update  
Michael Niedermayer 已提交
392
- stuffing to stay above min_bitrate
D
Diego Biurrun 已提交
393
- MB type & QP visualization
M
update  
Michael Niedermayer 已提交
394 395 396 397
- frame stepping for ffplay
- interlaced motion estimation
- alternate scantable support
- SVCD scan offset support
D
Diego Biurrun 已提交
398 399
- closed GOP support
- SSE2 FDCT
M
update  
Michael Niedermayer 已提交
400 401 402 403
- quantizer noise shaping
- G.726 ADPCM audio codec
- MS ADPCM encoding
- multithreaded/SMP motion estimation
D
Diego Biurrun 已提交
404 405
- multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263
- multithreaded/SMP decoding for MPEG-2
M
update  
Michael Niedermayer 已提交
406 407
- FLAC decoder
- Metrowerks CodeWarrior suppport
D
Diego Biurrun 已提交
408
- H.263+ custom pcf support
M
update  
Michael Niedermayer 已提交
409
- nicer output for 'ffmpeg -formats'
D
Diego Biurrun 已提交
410
- Matroska demuxer
M
update  
Michael Niedermayer 已提交
411
- SGI image format, encoding and decoding
D
Diego Biurrun 已提交
412 413
- H.264 loop filter support
- H.264 CABAC support
414
- nicer looking arrows for the motion vector visualization
M
update  
Michael Niedermayer 已提交
415 416
- improved VCD support
- audio timestamp drift compensation
D
Diego Biurrun 已提交
417
- MPEG-2 YUV 422/444 support
M
update  
Michael Niedermayer 已提交
418 419
- polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample
- better image scaling
D
Diego Biurrun 已提交
420
- H.261 support
M
update  
Michael Niedermayer 已提交
421 422
- correctly interleave packets during encoding
- VIS optimized motion compensation
D
Diego Biurrun 已提交
423 424
- intra_dc_precision>0 encoding support
- support reuse of motion vectors/MB types/field select values of the source video
M
update  
Michael Niedermayer 已提交
425 426 427
- more accurate deblock filter
- padding support
- many optimizations and bugfixes
428
- FunCom ISS audio file demuxer and according ADPCM decoding
429

430

F
update  
Fabrice Bellard 已提交
431 432
version 0.4.8:

D
Diego Biurrun 已提交
433
- MPEG-2 video encoding (Michael)
M
Tim  
Mike Melanson 已提交
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- Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)
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- Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson
  and Mario Brito)
- Xan DPCM audio decoder (Mario Brito)
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- Interplay MVE playback subsystem (Mike Melanson)
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- Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)

441

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version 0.4.7:
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- RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from mplayerhq
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  (originally from public domain player for Amiga at http://www.honeypot.net/audio)
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- current version now also compiles with older GCC (Fabrice)
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- 4X multimedia playback system including 4xm file demuxer (Mike
  Melanson), and 4X video and audio codecs (Michael)
- Creative YUV (CYUV) decoder (Mike Melanson)
- FFV1 codec (our very simple lossless intra only codec, compresses much better
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  than HuffYUV) (Michael)
- ASV1 (Asus), H.264, Intel indeo3 codecs have been added (various)
- tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with
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  alpha support), JPEG YUV colorspace support. (Fabrice Bellard)
- ffplay has been replaced with a newer version which uses SDL (optionally)
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  for multiplatform support (Fabrice)
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- Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated
  by anonymous
- AMR format has been added (Johannes Carlsson)
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- 3GP support has been added (Johannes Carlsson)
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- VP3 codec has been added (Mike Melanson)
- more MPEG-1/2 fixes
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- better multiplatform support, MS Visual Studio fixes (various)
- AltiVec optimizations (Magnus Damn and others)
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- SH4 processor support has been added (BERO)
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- new public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)
- VOB streaming support (Brian Foley)
- better MP3 autodetection (Andriy Rysin)
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- qpel encoding (Michael)
- 4mv+b frames encoding finally fixed (Michael)
- chroma ME (Michael)
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- 5 comparison functions for ME (Michael)
- B-frame encoding speedup (Michael)
- WMV2 codec (unfinished - Michael)
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- user specified diamond size for EPZS (Michael)
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- Playstation STR playback subsystem, still experimental (Mike and Michael)
- ASV2 codec (Michael)
- CLJR decoder (Alex)
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update  
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.. And lots more new enhancements and fixes.
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482

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update  
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version 0.4.6:
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updated  
Fabrice Bellard 已提交
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- completely new integer only MPEG audio layer 1/2/3 decoder rewritten
  from scratch
- Recoded DCT and motion vector search with gcc (no longer depends on nasm)
- fix quantization bug in AC3 encoder
- added PCM codecs and format. Corrected WAV/AVI/ASF PCM issues
- added prototype ffplay program
- added GOB header parsing on H.263/H.263+ decoder (Juanjo)
- bug fix on MCBPC tables of H.263 (Juanjo)
- bug fix on DC coefficients of H.263 (Juanjo)
- added Advanced Prediction Mode on H.263/H.263+ decoder (Juanjo)
- now we can decode H.263 streams found in QuickTime files (Juanjo)
- now we can decode H.263 streams found in VIVO v1 files(Juanjo)
497
- preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)
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- added GOB header for H.263/H.263+ coding on RTP mode (Juanjo)
- now H.263 picture size is returned on the first decoded frame (Juanjo)
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- added first regression tests
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- added MPEG-2 TS demuxer
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updated  
Fabrice Bellard 已提交
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- new demux API for libav
503
- more accurate and faster IDCT (Michael)
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- faster and entropy-controlled motion search (Michael)
505 506 507 508 509
- two pass video encoding (Michael)
- new video rate control (Michael)
- added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)
- great performance improvement of video encoders and decoders (Michael)
- new and faster bit readers and vlc parsers (Michael)
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- high quality encoding mode: tries all macroblock/VLC types (Michael)
511 512
- added DV video decoder
- preliminary RTP/RTSP support in ffserver and libavformat
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- H.263+ AIC decoding/encoding support (Juanjo)
- VCD MPEG-PS mode (Juanjo)
- PSNR stuff (Juanjo)
- simple stats output (Juanjo)
- 16-bit and 15-bit RGB/BGR/GBR support (Bisqwit)
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updated  
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519

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version 0.4.5:

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- some header fixes (Zdenek Kabelac <kabi at informatics.muni.cz>)
- many MMX optimizations (Nick Kurshev <nickols_k at mail.ru>)
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- added configure system (actually a small shell script)
- added MPEG audio layer 1/2/3 decoding using LGPL'ed mpglib by
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  Michael Hipp (temporary solution - waiting for integer only
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  decoder)
- fixed VIDIOCSYNC interrupt
- added Intel H.263 decoding support ('I263' AVI fourCC)
- added Real Video 1.0 decoding (needs further testing)
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- simplified image formats again. Added PGM format (=grey
  pgm). Renamed old PGM to PGMYUV.
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- fixed msmpeg4 slice issues (tell me if you still find problems)
- fixed OpenDivX bugs with newer versions (added VOL header decoding)
- added support for MPlayer interface
- added macroblock skip optimization
- added MJPEG decoder
- added mmx/mmxext IDCT from libmpeg2
F
updated  
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- added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer
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  <celer at shell.scrypt.net>)
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- added pixel format conversion layer (e.g. for MJPEG or PPM)
- added deinterlacing option
- MPEG-1/2 fixes
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- MPEG-4 vol header fixes (Jonathan Marsden <snmjbm at pacbell.net>)
- ARM optimizations (Lionel Ulmer <lionel.ulmer at free.fr>).
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- Windows porting of file converter
- added MJPEG raw format (input/ouput)
- added JPEG image format support (input/output)
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550

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version 0.4.4:

- fixed some std header definitions (Bjorn Lindgren
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  <bjorn.e.lindgren at telia.com>).
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- added MPEG demuxer (MPEG-1 and 2 compatible).
- added ASF demuxer
- added prototype RM demuxer
- added AC3 decoding (done with libac3 by Aaron Holtzman)
- added decoding codec parameter guessing (.e.g. for MPEG, because the
  header does not include them)
- fixed header generation in MPEG-1, AVI and ASF muxer: wmplayer can now
  play them (only tested video)
- fixed H.263 white bug
- fixed phase rounding in img resample filter
- add MMX code for polyphase img resample filter
- added CPU autodetection
- added generic title/author/copyright/comment string handling (ASF and RM
  use them)
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- added SWF demux to extract MP3 track (not usable yet because no MP3
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  decoder)
- added fractional frame rate support
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- codecs are no longer searched by read_header() (should fix ffserver
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  segfault)
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575

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version 0.4.3:

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- BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq at amsat.org>)
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- fixed raw yuv output
- added motion rounding support in MPEG-4
- fixed motion bug rounding in MSMPEG4
- added B-frame handling in video core
- added full MPEG-1 decoding support
- added partial (frame only) MPEG-2 support
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- changed the FOURCC code for H.263 to "U263" to be able to see the
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  +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with
  this +codec ;) (JuanJo).
- Halfpel motion estimation after MB type selection (JuanJo)
- added pgm and .Y.U.V output format
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- suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or
  output.
- added pgmpipe I/O format (original patch from Martin Aumueller
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  <lists at reserv.at>, but changed completely since we use a format
D
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  instead of a protocol)
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596

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version 0.4.2:

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- added H.263/MPEG-4/MSMPEG4 decoding support. MPEG-4 decoding support
  (for OpenDivX) is almost complete: 8x8 MVs and rounding are
F
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  missing. MSMPEG4 support is complete.
D
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- added prototype MPEG-1 decoder. Only I- and P-frames handled yet (it
  can decode ffmpeg MPEGs :-)).
F
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- added libavcodec API documentation (see apiexample.c).
- fixed image polyphase bug (the bottom of some images could be
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  greenish)
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- added support for non clipped motion vectors (decoding only)
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  and image sizes non-multiple of 16
- added support for AC prediction (decoding only)
- added file overwrite confirmation (can be disabled with -y)
- added custom size picture to H.263 using H.263+ (Juanjo)
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613

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version 0.4.1:

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- added MSMPEG4 (aka DivX) compatible encoder. Changed default codec
  of AVI and ASF to DIV3.
F
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- added -me option to set motion estimation method
  (default=log). suppressed redundant -hq option.
- added options -acodec and -vcodec to force a given codec (useful for
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  AVI for example)
- fixed -an option
- improved dct_quantize speed
- factorized some motion estimation code
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626

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version 0.4.0:

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- removing grab code from ffserver and moved it to ffmpeg. Added
  multistream support to ffmpeg.
F
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- added timeshifting support for live feeds (option ?date=xxx in the
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  URL)
F
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- added high quality image resize code with polyphase filter (need
634
  mmx/see optimization). Enable multiple image size support in ffserver.
D
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- added multi live feed support in ffserver
F
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- suppressed master feature from ffserver (it should be done with an
  external program which opens the .ffm url and writes it to another
D
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  ffserver)
- added preliminary support for video stream parsing (WAV and AVI half
  done). Added proper support for audio/video file conversion in
F
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  ffmpeg.
D
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- added preliminary support for video file sending from ffserver
- redesigning I/O subsystem: now using URL based input and output
  (see avio.h)
- added WAV format support
- added "tty user interface" to ffmpeg to stop grabbing gracefully
- added MMX/SSE optimizations to SAD (Sums of Absolutes Differences)
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  (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo at atmlab.utfsm.cl>)
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- added MMX DCT from mpeg2_movie 1.5 (Juanjo)
- added new motion estimation algorithms, log and phods (Juanjo)
- changed directories: libav for format handling, libavcodec for
  codecs
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654

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version 0.3.4:

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- added stereo in MPEG audio encoder
F
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659

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version 0.3.3:

- added 'high quality' mode which use motion vectors. It can be used in
  real time at low resolution.
- fixed rounding problems which caused quality problems at high
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  bitrates and large GOP size
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667

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version 0.3.2: small fixes

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- ASF fixes
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- put_seek bug fix

673

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version 0.3.1: added avi/divx support

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- added AVI support
- added MPEG-4 codec compatible with OpenDivX. It is based on the H.263 codec
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- added sound for flash format (not tested)

680

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version 0.3: initial public release