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Entries are sorted chronologically from oldest to youngest within each release,
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releases are sorted from youngest to oldest.
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4

    
5
version <next>:
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7
- WebM support in Matroska de/muxer
8
- low overhead Ogg muxing
9
- MMS-TCP support
10
- VP8 de/encoding via libvpx
11
- CODEC_CAP_EXPERIMENTAL added
12
- Demuxer for On2's IVF format
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version 0.6:
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18
- PB-frame decoding for H.263
19
- deprecated vhook subsystem removed
20
- deprecated old scaler removed
21
- VQF demuxer
22
- Alpha channel scaler
23
- PCX encoder
24
- RTP packetization of H.263
25
- RTP packetization of AMR
26
- RTP depacketization of Vorbis
27
- CorePNG decoding support
28
- Cook multichannel decoding support
29
- introduced avlanguage helpers in libavformat
30
- 8088flex TMV demuxer and decoder
31
- per-stream language-tags extraction in asfdec
32
- V210 decoder and encoder
33
- remaining GPL parts in AC-3 decoder converted to LGPL
34
- QCP demuxer
35
- SoX native format muxer and demuxer
36
- AMR-NB decoding/encoding, AMR-WB decoding via OpenCORE libraries
37
- DPX image decoder
38
- Electronic Arts Madcow decoder
39
- DivX (XSUB) subtitle encoder
40
- nonfree libamr support for AMR-NB/WB decoding/encoding removed
41
- experimental AAC encoder
42
- RTP depacketization of ASF and RTSP from WMS servers
43
- RTMP support in libavformat
44
- noX handling for OPT_BOOL X options
45
- Wave64 demuxer
46
- IEC-61937 compatible Muxer
47
- TwinVQ decoder
48
- Bluray (PGS) subtitle decoder
49
- LPCM support in MPEG-TS (HDMV RID as found on Blu-ray disks)
50
- WMA Pro decoder
51
- Core Audio Format demuxer
52
- Atrac1 decoder
53
- MD STUDIO audio demuxer
54
- RF64 support in WAV demuxer
55
- MPEG-4 Audio Lossless Coding (ALS) decoder
56
- -formats option split into -formats, -codecs, -bsfs, and -protocols
57
- IV8 demuxer
58
- CDG demuxer and decoder
59
- R210 decoder
60
- Auravision Aura 1 and 2 decoders
61
- Deluxe Paint Animation playback system
62
- SIPR decoder
63
- Adobe Filmstrip muxer and demuxer
64
- RTP depacketization of H.263
65
- Bink demuxer and audio/video decoders
66
- enable symbol versioning by default for linkers that support it
67
- IFF PBM/ILBM bitmap decoder
68
- concat protocol
69
- Indeo 5 decoder
70
- RTP depacketization of AMR
71
- WMA Voice decoder
72
- ffprobe tool
73
- AMR-NB decoder
74
- RTSP muxer
75
- HE-AAC v1 decoder
76
- Kega Game Video (KGV1) decoder
77
- VorbisComment writing for FLAC, Ogg FLAC and Ogg Speex files
78
- RTP depacketization of Theora
79
- HTTP Digest authentication
80
- RTMP/RTMPT/RTMPS/RTMPE/RTMPTE protocol support via librtmp
81
- Psygnosis YOP demuxer and video decoder
82
- spectral extension support in the E-AC-3 decoder
83
- unsharp video filter
84
- RTP hinting in the mov/3gp/mp4 muxer
85
- Dirac in Ogg demuxing
86
- seek to keyframes in Ogg
87
- 4:2:2 and 4:4:4 Theora decoding
88
- 35% faster VP3/Theora decoding
89
- faster AAC decoding
90
- faster H.264 decoding
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92

    
93

    
94
version 0.5:
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96
- DV50 AKA DVCPRO50 encoder, decoder, muxer and demuxer
97
- TechSmith Camtasia (TSCC) video decoder
98
- IBM Ultimotion (ULTI) video decoder
99
- Sierra Online audio file demuxer and decoder
100
- Apple QuickDraw (qdrw) video decoder
101
- Creative ADPCM audio decoder (16 bits as well as 8 bits schemes)
102
- Electronic Arts Multimedia (WVE/UV2/etc.) file demuxer
103
- Miro VideoXL (VIXL) video decoder
104
- H.261 video encoder
105
- QPEG video decoder
106
- Nullsoft Video (NSV) file demuxer
107
- Shorten audio decoder
108
- LOCO video decoder
109
- Apple Lossless Audio Codec (ALAC) decoder
110
- Winnov WNV1 video decoder
111
- Autodesk Animator Studio Codec (AASC) decoder
112
- Indeo 2 video decoder
113
- Fraps FPS1 video decoder
114
- Snow video encoder/decoder
115
- Sonic audio encoder/decoder
116
- Vorbis audio decoder
117
- Macromedia ADPCM decoder
118
- Duck TrueMotion 2 video decoder
119
- support for decoding FLX and DTA extensions in FLIC files
120
- H.264 custom quantization matrices support
121
- ffserver fixed, it should now be usable again
122
- QDM2 audio decoder
123
- Real Cooker audio decoder
124
- TrueSpeech audio decoder
125
- WMA2 audio decoder fixed, now all files should play correctly
126
- RealAudio 14.4 and 28.8 decoders fixed
127
- JPEG-LS decoder
128
- build system improvements
129
- tabs and trailing whitespace removed from the codebase
130
- CamStudio video decoder
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- AIFF/AIFF-C audio format, encoding and decoding
132
- ADTS AAC file reading and writing
133
- Creative VOC file reading and writing
134
- American Laser Games multimedia (*.mm) playback system
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- Zip Motion Blocks Video decoder
136
- improved Theora/VP3 decoder
137
- True Audio (TTA) decoder
138
- AVS demuxer and video decoder
139
- JPEG-LS encoder
140
- Smacker demuxer and decoder
141
- NuppelVideo/MythTV demuxer and RTjpeg decoder
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- KMVC decoder
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- MPEG-2 intra VLC support
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- MPEG-2 4:2:2 encoder
145
- Flash Screen Video decoder
146
- GXF demuxer
147
- Chinese AVS decoder
148
- GXF muxer
149
- MXF demuxer
150
- VC-1/WMV3/WMV9 video decoder
151
- MacIntel support
152
- AVISynth support
153
- VMware video decoder
154
- VP5 video decoder
155
- VP6 video decoder
156
- WavPack lossless audio decoder
157
- Targa (.TGA) picture decoder
158
- Vorbis audio encoder
159
- Delphine Software .cin demuxer/audio and video decoder
160
- Tiertex .seq demuxer/video decoder
161
- MTV demuxer
162
- TIFF picture encoder and decoder
163
- GIF picture decoder
164
- Intel Music Coder decoder
165
- Zip Motion Blocks Video encoder
166
- Musepack decoder
167
- Flash Screen Video encoder
168
- Theora encoding via libtheora
169
- BMP encoder
170
- WMA encoder
171
- GSM-MS encoder and decoder
172
- DCA decoder
173
- DXA demuxer and decoder
174
- DNxHD decoder
175
- Gamecube movie (.THP) playback system
176
- Blackfin optimizations
177
- Interplay C93 demuxer and video decoder
178
- Bethsoft VID demuxer and video decoder
179
- CRYO APC demuxer
180
- Atrac3 decoder
181
- V.Flash PTX decoder
182
- RoQ muxer, RoQ audio encoder
183
- Renderware TXD demuxer and decoder
184
- extern C declarations for C++ removed from headers
185
- sws_flags command line option
186
- codebook generator
187
- RoQ video encoder
188
- QTRLE encoder
189
- OS/2 support removed and restored again
190
- AC-3 decoder
191
- NUT muxer
192
- additional SPARC (VIS) optimizations
193
- Matroska muxer
194
- slice-based parallel H.264 decoding
195
- Monkey's Audio demuxer and decoder
196
- AMV audio and video decoder
197
- DNxHD encoder
198
- H.264 PAFF decoding
199
- Nellymoser ASAO decoder
200
- Beam Software SIFF demuxer and decoder
201
- libvorbis Vorbis decoding removed in favor of native decoder
202
- IntraX8 (J-Frame) subdecoder for WMV2 and VC-1
203
- Ogg (Theora, Vorbis and FLAC) muxer
204
- The "device" muxers and demuxers are now in a new libavdevice library
205
- PC Paintbrush PCX decoder
206
- Sun Rasterfile decoder
207
- TechnoTrend PVA demuxer
208
- Linux Media Labs MPEG-4 (LMLM4) demuxer
209
- AVM2 (Flash 9) SWF muxer
210
- QT variant of IMA ADPCM encoder
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- VFW grabber
212
- iPod/iPhone compatible mp4 muxer
213
- Mimic decoder
214
- MSN TCP Webcam stream demuxer
215
- RL2 demuxer / decoder
216
- IFF demuxer
217
- 8SVX audio decoder
218
- non-recursive Makefiles
219
- BFI demuxer
220
- MAXIS EA XA (.xa) demuxer / decoder
221
- BFI video decoder
222
- OMA demuxer
223
- MLP/TrueHD decoder
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- Electronic Arts CMV decoder
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- Motion Pixels Video decoder
226
- Motion Pixels MVI demuxer
227
- removed animated GIF decoder/demuxer
228
- D-Cinema audio muxer
229
- Electronic Arts TGV decoder
230
- Apple Lossless Audio Codec (ALAC) encoder
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- AAC decoder
232
- floating point PCM encoder/decoder
233
- MXF muxer
234
- DV100 AKA DVCPRO HD decoder and demuxer
235
- E-AC-3 support added to AC-3 decoder
236
- Nellymoser ASAO encoder
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- ASS and SSA demuxer and muxer
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- liba52 wrapper removed
239
- SVQ3 watermark decoding support
240
- Speex decoding via libspeex
241
- Electronic Arts TGQ decoder
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- RV40 decoder
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- QCELP / PureVoice decoder
244
- RV30 decoder
245
- hybrid WavPack support
246
- R3D REDCODE demuxer
247
- ALSA support for playback and record
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- Electronic Arts TQI decoder
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- OpenJPEG based JPEG 2000 decoder
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- NC (NC4600) camera file demuxer
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- Gopher client support
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- MXF D-10 muxer
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- generic metadata API
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version 0.4.9-pre1:
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- DV encoder, DV muxer
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- Microsoft RLE video decoder
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- Microsoft Video-1 decoder
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- Apple Animation (RLE) decoder
263
- Apple Graphics (SMC) decoder
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- Apple Video (RPZA) decoder
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- Cinepak decoder
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- Sega FILM (CPK) file demuxer
267
- Westwood multimedia support (VQA & AUD files)
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- Id Quake II CIN playback support
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- 8BPS video decoder
270
- FLIC playback support
271
- RealVideo 2.0 (RV20) decoder
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- Duck TrueMotion v1 (DUCK) video decoder
273
- Sierra VMD demuxer and video decoder
274
- MSZH and ZLIB decoder support
275
- SVQ1 video encoder
276
- AMR-WB support
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- PPC optimizations
278
- rate distortion optimal cbp support
279
- rate distorted optimal ac prediction for MPEG-4
280
- rate distorted optimal lambda->qp support
281
- AAC encoding with libfaac
282
- Sunplus JPEG codec (SP5X) support
283
- use Lagrange multipler instead of QP for ratecontrol
284
- Theora/VP3 decoding support
285
- XA and ADX ADPCM codecs
286
- export MPEG-2 active display area / pan scan
287
- Add support for configuring with IBM XLC
288
- floating point AAN DCT
289
- initial support for zygo video (not complete)
290
- RGB ffv1 support
291
- new audio/video parser API
292
- av_log() system
293
- av_read_frame() and av_seek_frame() support
294
- missing last frame fixes
295
- seek by mouse in ffplay
296
- noise reduction of DCT coefficients
297
- H.263 OBMC & 4MV support
298
- H.263 alternative inter vlc support
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- H.263 loop filter
300
- H.263 slice structured mode
301
- interlaced DCT support for MPEG-2 encoding
302
- stuffing to stay above min_bitrate
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- MB type & QP visualization
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- frame stepping for ffplay
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- interlaced motion estimation
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- alternate scantable support
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- SVCD scan offset support
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- closed GOP support
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- SSE2 FDCT
310
- quantizer noise shaping
311
- G.726 ADPCM audio codec
312
- MS ADPCM encoding
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- multithreaded/SMP motion estimation
314
- multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263
315
- multithreaded/SMP decoding for MPEG-2
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- FLAC decoder
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- Metrowerks CodeWarrior suppport
318
- H.263+ custom pcf support
319
- nicer output for 'ffmpeg -formats'
320
- Matroska demuxer
321
- SGI image format, encoding and decoding
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- H.264 loop filter support
323
- H.264 CABAC support
324
- nicer looking arrows for the motion vector visualization
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- improved VCD support
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- audio timestamp drift compensation
327
- MPEG-2 YUV 422/444 support
328
- polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample
329
- better image scaling
330
- H.261 support
331
- correctly interleave packets during encoding
332
- VIS optimized motion compensation
333
- intra_dc_precision>0 encoding support
334
- support reuse of motion vectors/MB types/field select values of the source video
335
- more accurate deblock filter
336
- padding support
337
- many optimizations and bugfixes
338
- FunCom ISS audio file demuxer and according ADPCM decoding
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version 0.4.8:
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- MPEG-2 video encoding (Michael)
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- Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)
346
- Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson
347
  and Mario Brito)
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- 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)
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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)
358
- current version now also compiles with older GCC (Fabrice)
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- 4X multimedia playback system including 4xm file demuxer (Mike
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  Melanson), and 4X video and audio codecs (Michael)
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- Creative YUV (CYUV) decoder (Mike Melanson)
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- FFV1 codec (our very simple lossless intra only codec, compresses much better
363
  than HuffYUV) (Michael)
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- ASV1 (Asus), H.264, Intel indeo3 codecs have been added (various)
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- tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with
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  alpha support), JPEG YUV colorspace support. (Fabrice Bellard)
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- 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
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  by anonymous
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- 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)
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- more MPEG-1/2 fixes
375
- better multiplatform support, MS Visual Studio fixes (various)
376
- 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)
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- VOB streaming support (Brian Foley)
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- better MP3 autodetection (Andriy Rysin)
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- qpel encoding (Michael)
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- 4mv+b frames encoding finally fixed (Michael)
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- chroma ME (Michael)
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- 5 comparison functions for ME (Michael)
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- B-frame encoding speedup (Michael)
386
- 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)
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- ASV2 codec (Michael)
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- CLJR decoder (Alex)
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.. And lots more new enhancements and fixes.
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version 0.4.6:
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- completely new integer only MPEG audio layer 1/2/3 decoder rewritten
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  from scratch
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- Recoded DCT and motion vector search with gcc (no longer depends on nasm)
401
- fix quantization bug in AC3 encoder
402
- added PCM codecs and format. Corrected WAV/AVI/ASF PCM issues
403
- added prototype ffplay program
404
- added GOB header parsing on H.263/H.263+ decoder (Juanjo)
405
- bug fix on MCBPC tables of H.263 (Juanjo)
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- bug fix on DC coefficients of H.263 (Juanjo)
407
- added Advanced Prediction Mode on H.263/H.263+ decoder (Juanjo)
408
- now we can decode H.263 streams found in QuickTime files (Juanjo)
409
- now we can decode H.263 streams found in VIVO v1 files(Juanjo)
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- preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)
411
- added GOB header for H.263/H.263+ coding on RTP mode (Juanjo)
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- now H.263 picture size is returned on the first decoded frame (Juanjo)
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- added first regression tests
414
- added MPEG-2 TS demuxer
415
- new demux API for libav
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- more accurate and faster IDCT (Michael)
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- faster and entropy-controlled motion search (Michael)
418
- two pass video encoding (Michael)
419
- new video rate control (Michael)
420
- added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)
421
- great performance improvement of video encoders and decoders (Michael)
422
- new and faster bit readers and vlc parsers (Michael)
423
- high quality encoding mode: tries all macroblock/VLC types (Michael)
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- added DV video decoder
425
- preliminary RTP/RTSP support in ffserver and libavformat
426
- H.263+ AIC decoding/encoding support (Juanjo)
427
- VCD MPEG-PS mode (Juanjo)
428
- PSNR stuff (Juanjo)
429
- simple stats output (Juanjo)
430
- 16-bit and 15-bit RGB/BGR/GBR support (Bisqwit)
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434
version 0.4.5:
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436
- some header fixes (Zdenek Kabelac <kabi at informatics.muni.cz>)
437
- many MMX optimizations (Nick Kurshev <nickols_k at mail.ru>)
438
- added configure system (actually a small shell script)
439
- added MPEG audio layer 1/2/3 decoding using LGPL'ed mpglib by
440
  Michael Hipp (temporary solution - waiting for integer only
441
  decoder)
442
- fixed VIDIOCSYNC interrupt
443
- added Intel H.263 decoding support ('I263' AVI fourCC)
444
- added Real Video 1.0 decoding (needs further testing)
445
- simplified image formats again. Added PGM format (=grey
446
  pgm). Renamed old PGM to PGMYUV.
447
- fixed msmpeg4 slice issues (tell me if you still find problems)
448
- fixed OpenDivX bugs with newer versions (added VOL header decoding)
449
- added support for MPlayer interface
450
- added macroblock skip optimization
451
- added MJPEG decoder
452
- added mmx/mmxext IDCT from libmpeg2
453
- added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer
454
  <celer at shell.scrypt.net>)
455
- added pixel format conversion layer (e.g. for MJPEG or PPM)
456
- added deinterlacing option
457
- MPEG-1/2 fixes
458
- MPEG-4 vol header fixes (Jonathan Marsden <snmjbm at pacbell.net>)
459
- ARM optimizations (Lionel Ulmer <lionel.ulmer at free.fr>).
460
- Windows porting of file converter
461
- added MJPEG raw format (input/ouput)
462
- added JPEG image format support (input/output)
463

    
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465

    
466
version 0.4.4:
467

    
468
- fixed some std header definitions (Bjorn Lindgren
469
  <bjorn.e.lindgren at telia.com>).
470
- added MPEG demuxer (MPEG-1 and 2 compatible).
471
- added ASF demuxer
472
- added prototype RM demuxer
473
- added AC3 decoding (done with libac3 by Aaron Holtzman)
474
- added decoding codec parameter guessing (.e.g. for MPEG, because the
475
  header does not include them)
476
- fixed header generation in MPEG-1, AVI and ASF muxer: wmplayer can now
477
  play them (only tested video)
478
- fixed H.263 white bug
479
- fixed phase rounding in img resample filter
480
- add MMX code for polyphase img resample filter
481
- added CPU autodetection
482
- added generic title/author/copyright/comment string handling (ASF and RM
483
  use them)
484
- added SWF demux to extract MP3 track (not usable yet because no MP3
485
  decoder)
486
- added fractional frame rate support
487
- codecs are no longer searched by read_header() (should fix ffserver
488
  segfault)
489

    
490

    
491

    
492
version 0.4.3:
493

    
494
- BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq at amsat.org>)
495
- fixed raw yuv output
496
- added motion rounding support in MPEG-4
497
- fixed motion bug rounding in MSMPEG4
498
- added B-frame handling in video core
499
- added full MPEG-1 decoding support
500
- added partial (frame only) MPEG-2 support
501
- changed the FOURCC code for H.263 to "U263" to be able to see the
502
  +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with
503
  this +codec ;) (JuanJo).
504
- Halfpel motion estimation after MB type selection (JuanJo)
505
- added pgm and .Y.U.V output format
506
- suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or
507
  output.
508
- added pgmpipe I/O format (original patch from Martin Aumueller
509
  <lists at reserv.at>, but changed completely since we use a format
510
  instead of a protocol)
511

    
512

    
513

    
514
version 0.4.2:
515

    
516
- added H.263/MPEG-4/MSMPEG4 decoding support. MPEG-4 decoding support
517
  (for OpenDivX) is almost complete: 8x8 MVs and rounding are
518
  missing. MSMPEG4 support is complete.
519
- added prototype MPEG-1 decoder. Only I- and P-frames handled yet (it
520
  can decode ffmpeg MPEGs :-)).
521
- added libavcodec API documentation (see apiexample.c).
522
- fixed image polyphase bug (the bottom of some images could be
523
  greenish)
524
- added support for non clipped motion vectors (decoding only)
525
  and image sizes non-multiple of 16
526
- added support for AC prediction (decoding only)
527
- added file overwrite confirmation (can be disabled with -y)
528
- added custom size picture to H.263 using H.263+ (Juanjo)
529

    
530

    
531
version 0.4.1:
532

    
533
- added MSMPEG4 (aka DivX) compatible encoder. Changed default codec
534
  of AVI and ASF to DIV3.
535
- added -me option to set motion estimation method
536
  (default=log). suppressed redundant -hq option.
537
- added options -acodec and -vcodec to force a given codec (useful for
538
  AVI for example)
539
- fixed -an option
540
- improved dct_quantize speed
541
- factorized some motion estimation code
542

    
543

    
544

    
545
version 0.4.0:
546

    
547
- removing grab code from ffserver and moved it to ffmpeg. Added
548
  multistream support to ffmpeg.
549
- added timeshifting support for live feeds (option ?date=xxx in the
550
  URL)
551
- added high quality image resize code with polyphase filter (need
552
  mmx/see optimization). Enable multiple image size support in ffserver.
553
- added multi live feed support in ffserver
554
- suppressed master feature from ffserver (it should be done with an
555
  external program which opens the .ffm url and writes it to another
556
  ffserver)
557
- added preliminary support for video stream parsing (WAV and AVI half
558
  done). Added proper support for audio/video file conversion in
559
  ffmpeg.
560
- added preliminary support for video file sending from ffserver
561
- redesigning I/O subsystem: now using URL based input and output
562
  (see avio.h)
563
- added WAV format support
564
- added "tty user interface" to ffmpeg to stop grabbing gracefully
565
- added MMX/SSE optimizations to SAD (Sums of Absolutes Differences)
566
  (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)
568
- added new motion estimation algorithms, log and phods (Juanjo)
569
- changed directories: libav for format handling, libavcodec for
570
  codecs
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version 0.3.4:
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- added stereo in MPEG audio encoder
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version 0.3.3:
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- added 'high quality' mode which use motion vectors. It can be used in
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  real time at low resolution.
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- fixed rounding problems which caused quality problems at high
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  bitrates and large GOP size
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version 0.3.2: small fixes
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591
- ASF fixes
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- put_seek bug fix
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version 0.3.1: added avi/divx support
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598
- added AVI support
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- 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)
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version 0.3: initial public release