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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
- PB-frame decoding for H.263
8
- deprecated vhook subsystem removed
9
- deprecated old scaler removed
10
- VQF demuxer
11
- Alpha channel scaler
12
- PCX encoder
13
- RTP packetization of H.263
14
- RTP packetization of AMR
15
- RTP depacketization of Vorbis
16
- CorePNG decoding support
17
- Cook multichannel decoding support
18
- introduced avlanguage helpers in libavformat
19
- 8088flex TMV demuxer and decoder
20
- per-stream language-tags extraction in asfdec
21
- V210 decoder and encoder
22
- remaining GPL parts in AC-3 decoder converted to LGPL
23
- QCP demuxer
24
- SoX native format muxer and demuxer
25
- AMR-NB decoding/encoding, AMR-WB decoding via OpenCORE libraries
26
- DPX image decoder
27
- Electronic Arts Madcow decoder
28
- DivX (XSUB) subtitle encoder
29
- nonfree libamr support for AMR-NB/WB decoding/encoding removed
30
- Experimental AAC encoder
31
- RTP depacketization of ASF and RTSP from WMS servers
32
- RTMP support in libavformat
33
- noX handling for OPT_BOOL X options
34
- Wave64 demuxer
35
- IEC-61937 compatible Muxer
36
- TwinVQ decoder
37
- Bluray (PGS) subtitle decoder
38
- LPCM support in MPEG-TS (HDMV RID as found on Blu-ray disks)
39
- Wmapro decoder
40
- Core Audio Format demuxer
41
- Atrac1 decoder
42
- MD STUDIO audio demuxer
43
- RF64 support in WAV demuxer
44
- MPEG-4 Audio Lossless Coding (ALS) decoder
45
- -formats option split into -formats, -codecs, -bsfs, and -protocols
46
- IV8 demuxer
47
- CDG demuxer and decoder
48
- R210 decoder
49
- Auravision Aura 1 and 2 decoders
50
- Deluxe Paint Animation playback system
51
- SIPR decoder
52
- Adobe Filmstrip muxer and demuxer
53
- RTP depacketization of H.263
54
- Bink demuxer and Bink Audio decoder
55
- enable symbol versioning by default for linkers that support it
56
- IFF PBM/ILBM bitmap decoder
57
- concat protocol
58
- Indeo 5 decoder
59
- RTP depacketization of AMR
60
- WMAVoice decoder
61
- FFprobe tool
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63

    
64

    
65
version 0.5:
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67
- DV50 AKA DVCPRO50 encoder, decoder, muxer and demuxer
68
- TechSmith Camtasia (TSCC) video decoder
69
- IBM Ultimotion (ULTI) video decoder
70
- Sierra Online audio file demuxer and decoder
71
- Apple QuickDraw (qdrw) video decoder
72
- Creative ADPCM audio decoder (16 bits as well as 8 bits schemes)
73
- Electronic Arts Multimedia (WVE/UV2/etc.) file demuxer
74
- Miro VideoXL (VIXL) video decoder
75
- H.261 video encoder
76
- QPEG video decoder
77
- Nullsoft Video (NSV) file demuxer
78
- Shorten audio decoder
79
- LOCO video decoder
80
- Apple Lossless Audio Codec (ALAC) decoder
81
- Winnov WNV1 video decoder
82
- Autodesk Animator Studio Codec (AASC) decoder
83
- Indeo 2 video decoder
84
- Fraps FPS1 video decoder
85
- Snow video encoder/decoder
86
- Sonic audio encoder/decoder
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- Vorbis audio decoder
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- Macromedia ADPCM decoder
89
- Duck TrueMotion 2 video decoder
90
- support for decoding FLX and DTA extensions in FLIC files
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- H.264 custom quantization matrices support
92
- ffserver fixed, it should now be usable again
93
- QDM2 audio decoder
94
- Real Cooker audio decoder
95
- TrueSpeech audio decoder
96
- WMA2 audio decoder fixed, now all files should play correctly
97
- RealAudio 14.4 and 28.8 decoders fixed
98
- JPEG-LS decoder
99
- build system improvements
100
- tabs and trailing whitespace removed from the codebase
101
- CamStudio video decoder
102
- AIFF/AIFF-C audio format, encoding and decoding
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- ADTS AAC file reading and writing
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- Creative VOC file reading and writing
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- American Laser Games multimedia (*.mm) playback system
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- Zip Motion Blocks Video decoder
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- improved Theora/VP3 decoder
108
- True Audio (TTA) decoder
109
- AVS demuxer and video decoder
110
- JPEG-LS encoder
111
- Smacker demuxer and decoder
112
- NuppelVideo/MythTV demuxer and RTjpeg decoder
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- KMVC decoder
114
- MPEG-2 intra VLC support
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- MPEG-2 4:2:2 encoder
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- Flash Screen Video decoder
117
- GXF demuxer
118
- Chinese AVS decoder
119
- GXF muxer
120
- MXF demuxer
121
- VC-1/WMV3/WMV9 video decoder
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- MacIntel support
123
- AVISynth support
124
- VMware video decoder
125
- VP5 video decoder
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- VP6 video decoder
127
- WavPack lossless audio decoder
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- Targa (.TGA) picture decoder
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- Vorbis audio encoder
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- Delphine Software .cin demuxer/audio and video decoder
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- Tiertex .seq demuxer/video decoder
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- MTV demuxer
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- TIFF picture encoder and decoder
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- GIF picture decoder
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- Intel Music Coder decoder
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- Zip Motion Blocks Video encoder
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- Musepack decoder
138
- Flash Screen Video encoder
139
- Theora encoding via libtheora
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- BMP encoder
141
- WMA encoder
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- GSM-MS encoder and decoder
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- DCA decoder
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- DXA demuxer and decoder
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- DNxHD decoder
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- Gamecube movie (.THP) playback system
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- Blackfin optimizations
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- Interplay C93 demuxer and video decoder
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- Bethsoft VID demuxer and video decoder
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- CRYO APC demuxer
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- Atrac3 decoder
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- V.Flash PTX decoder
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- RoQ muxer, RoQ audio encoder
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- Renderware TXD demuxer and decoder
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- extern C declarations for C++ removed from headers
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- sws_flags command line option
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- codebook generator
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- RoQ video encoder
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- QTRLE encoder
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- OS/2 support removed and restored again
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- AC-3 decoder
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- NUT muxer
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- additional SPARC (VIS) optimizations
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- Matroska muxer
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- slice-based parallel H.264 decoding
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- Monkey's Audio demuxer and decoder
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- AMV audio and video decoder
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- DNxHD encoder
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- H.264 PAFF decoding
170
- Nellymoser ASAO decoder
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- Beam Software SIFF demuxer and decoder
172
- libvorbis Vorbis decoding removed in favor of native decoder
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- IntraX8 (J-Frame) subdecoder for WMV2 and VC-1
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- Ogg (Theora, Vorbis and FLAC) muxer
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- The "device" muxers and demuxers are now in a new libavdevice library
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- PC Paintbrush PCX decoder
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- Sun Rasterfile decoder
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- TechnoTrend PVA demuxer
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- Linux Media Labs MPEG-4 (LMLM4) demuxer
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- AVM2 (Flash 9) SWF muxer
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- QT variant of IMA ADPCM encoder
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- VFW grabber
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- iPod/iPhone compatible mp4 muxer
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- Mimic decoder
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- MSN TCP Webcam stream demuxer
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- RL2 demuxer / decoder
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- IFF demuxer
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- 8SVX audio decoder
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- non-recursive Makefiles
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- BFI demuxer
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- MAXIS EA XA (.xa) demuxer / decoder
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- BFI video decoder
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- OMA demuxer
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- MLP/TrueHD decoder
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- Electronic Arts CMV decoder
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- Motion Pixels Video decoder
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- Motion Pixels MVI demuxer
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- removed animated GIF decoder/demuxer
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- D-Cinema audio muxer
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- Electronic Arts TGV decoder
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- Apple Lossless Audio Codec (ALAC) encoder
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- AAC decoder
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- floating point PCM encoder/decoder
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- MXF muxer
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- DV100 AKA DVCPRO HD decoder and demuxer
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- E-AC-3 support added to AC-3 decoder
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- Nellymoser ASAO encoder
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- ASS and SSA demuxer and muxer
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- liba52 wrapper removed
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- SVQ3 watermark decoding support
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- Speex decoding via libspeex
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- Electronic Arts TGQ decoder
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- RV40 decoder
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- QCELP / PureVoice decoder
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- RV30 decoder
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- hybrid WavPack support
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- R3D REDCODE demuxer
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- 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
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- 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
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- Westwood multimedia support (VQA & AUD files)
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- Id Quake II CIN playback support
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- 8BPS video decoder
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- FLIC playback support
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- RealVideo 2.0 (RV20) decoder
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- Duck TrueMotion v1 (DUCK) video decoder
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- Sierra VMD demuxer and video decoder
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- MSZH and ZLIB decoder support
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- SVQ1 video encoder
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- AMR-WB support
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- PPC optimizations
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- rate distortion optimal cbp support
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- rate distorted optimal ac prediction for MPEG-4
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- rate distorted optimal lambda->qp support
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- AAC encoding with libfaac
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- Sunplus JPEG codec (SP5X) support
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- use Lagrange multipler instead of QP for ratecontrol
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- Theora/VP3 decoding support
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- XA and ADX ADPCM codecs
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- export MPEG-2 active display area / pan scan
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- Add support for configuring with IBM XLC
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- floating point AAN DCT
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- initial support for zygo video (not complete)
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- RGB ffv1 support
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- new audio/video parser API
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- av_log() system
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- av_read_frame() and av_seek_frame() support
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- missing last frame fixes
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- seek by mouse in ffplay
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- noise reduction of DCT coefficients
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- H.263 OBMC & 4MV support
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- H.263 alternative inter vlc support
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- H.263 loop filter
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- H.263 slice structured mode
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- interlaced DCT support for MPEG-2 encoding
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- 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
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- quantizer noise shaping
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- G.726 ADPCM audio codec
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- MS ADPCM encoding
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- multithreaded/SMP motion estimation
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- multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263
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- multithreaded/SMP decoding for MPEG-2
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- FLAC decoder
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- Metrowerks CodeWarrior suppport
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- H.263+ custom pcf support
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- nicer output for 'ffmpeg -formats'
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- Matroska demuxer
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- SGI image format, encoding and decoding
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- H.264 loop filter support
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- H.264 CABAC support
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- nicer looking arrows for the motion vector visualization
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- improved VCD support
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- audio timestamp drift compensation
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- MPEG-2 YUV 422/444 support
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- polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample
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- better image scaling
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- H.261 support
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- correctly interleave packets during encoding
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- VIS optimized motion compensation
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- intra_dc_precision>0 encoding support
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- support reuse of motion vectors/MB types/field select values of the source video
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- more accurate deblock filter
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- padding support
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- many optimizations and bugfixes
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- 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)
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- Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson
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  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)
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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
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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
334
  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
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- better multiplatform support, MS Visual Studio fixes (various)
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- 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)
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- 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)
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- fix quantization bug in AC3 encoder
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- added PCM codecs and format. Corrected WAV/AVI/ASF PCM issues
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- added prototype ffplay program
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- added GOB header parsing on H.263/H.263+ decoder (Juanjo)
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- bug fix on MCBPC tables of H.263 (Juanjo)
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- bug fix on DC coefficients of H.263 (Juanjo)
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- added Advanced Prediction Mode on H.263/H.263+ decoder (Juanjo)
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- now we can decode H.263 streams found in QuickTime files (Juanjo)
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- 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)
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- 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
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- added MPEG-2 TS demuxer
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- 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)
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- two pass video encoding (Michael)
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- new video rate control (Michael)
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- added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)
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- great performance improvement of video encoders and decoders (Michael)
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- new and faster bit readers and vlc parsers (Michael)
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- high quality encoding mode: tries all macroblock/VLC types (Michael)
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- added DV video decoder
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- preliminary RTP/RTSP support in ffserver and libavformat
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- H.263+ AIC decoding/encoding support (Juanjo)
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- VCD MPEG-PS mode (Juanjo)
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- PSNR stuff (Juanjo)
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- simple stats output (Juanjo)
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- 16-bit and 15-bit RGB/BGR/GBR support (Bisqwit)
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version 0.4.5:
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- some header fixes (Zdenek Kabelac <kabi at informatics.muni.cz>)
408
- many MMX optimizations (Nick Kurshev <nickols_k at mail.ru>)
409
- added configure system (actually a small shell script)
410
- 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
412
  decoder)
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- fixed VIDIOCSYNC interrupt
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- added Intel H.263 decoding support ('I263' AVI fourCC)
415
- added Real Video 1.0 decoding (needs further testing)
416
- simplified image formats again. Added PGM format (=grey
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  pgm). Renamed old PGM to PGMYUV.
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- fixed msmpeg4 slice issues (tell me if you still find problems)
419
- fixed OpenDivX bugs with newer versions (added VOL header decoding)
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- added support for MPlayer interface
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- added macroblock skip optimization
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- added MJPEG decoder
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- added mmx/mmxext IDCT from libmpeg2
424
- 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)
427
- added deinterlacing option
428
- MPEG-1/2 fixes
429
- MPEG-4 vol header fixes (Jonathan Marsden <snmjbm at pacbell.net>)
430
- ARM optimizations (Lionel Ulmer <lionel.ulmer at free.fr>).
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- Windows porting of file converter
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- added MJPEG raw format (input/ouput)
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- added JPEG image format support (input/output)
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version 0.4.4:
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- fixed some std header definitions (Bjorn Lindgren
440
  <bjorn.e.lindgren at telia.com>).
441
- added MPEG demuxer (MPEG-1 and 2 compatible).
442
- added ASF demuxer
443
- added prototype RM demuxer
444
- added AC3 decoding (done with libac3 by Aaron Holtzman)
445
- added decoding codec parameter guessing (.e.g. for MPEG, because the
446
  header does not include them)
447
- fixed header generation in MPEG-1, AVI and ASF muxer: wmplayer can now
448
  play them (only tested video)
449
- fixed H.263 white bug
450
- fixed phase rounding in img resample filter
451
- add MMX code for polyphase img resample filter
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- added CPU autodetection
453
- added generic title/author/copyright/comment string handling (ASF and RM
454
  use them)
455
- added SWF demux to extract MP3 track (not usable yet because no MP3
456
  decoder)
457
- added fractional frame rate support
458
- codecs are no longer searched by read_header() (should fix ffserver
459
  segfault)
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463
version 0.4.3:
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465
- BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq at amsat.org>)
466
- fixed raw yuv output
467
- added motion rounding support in MPEG-4
468
- fixed motion bug rounding in MSMPEG4
469
- added B-frame handling in video core
470
- added full MPEG-1 decoding support
471
- added partial (frame only) MPEG-2 support
472
- changed the FOURCC code for H.263 to "U263" to be able to see the
473
  +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with
474
  this +codec ;) (JuanJo).
475
- Halfpel motion estimation after MB type selection (JuanJo)
476
- added pgm and .Y.U.V output format
477
- suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or
478
  output.
479
- added pgmpipe I/O format (original patch from Martin Aumueller
480
  <lists at reserv.at>, but changed completely since we use a format
481
  instead of a protocol)
482

    
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485
version 0.4.2:
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487
- added H.263/MPEG-4/MSMPEG4 decoding support. MPEG-4 decoding support
488
  (for OpenDivX) is almost complete: 8x8 MVs and rounding are
489
  missing. MSMPEG4 support is complete.
490
- added prototype MPEG-1 decoder. Only I- and P-frames handled yet (it
491
  can decode ffmpeg MPEGs :-)).
492
- added libavcodec API documentation (see apiexample.c).
493
- fixed image polyphase bug (the bottom of some images could be
494
  greenish)
495
- added support for non clipped motion vectors (decoding only)
496
  and image sizes non-multiple of 16
497
- added support for AC prediction (decoding only)
498
- added file overwrite confirmation (can be disabled with -y)
499
- added custom size picture to H.263 using H.263+ (Juanjo)
500

    
501

    
502
version 0.4.1:
503

    
504
- added MSMPEG4 (aka DivX) compatible encoder. Changed default codec
505
  of AVI and ASF to DIV3.
506
- added -me option to set motion estimation method
507
  (default=log). suppressed redundant -hq option.
508
- added options -acodec and -vcodec to force a given codec (useful for
509
  AVI for example)
510
- fixed -an option
511
- improved dct_quantize speed
512
- factorized some motion estimation code
513

    
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515

    
516
version 0.4.0:
517

    
518
- removing grab code from ffserver and moved it to ffmpeg. Added
519
  multistream support to ffmpeg.
520
- added timeshifting support for live feeds (option ?date=xxx in the
521
  URL)
522
- added high quality image resize code with polyphase filter (need
523
  mmx/see optimization). Enable multiple image size support in ffserver.
524
- added multi live feed support in ffserver
525
- suppressed master feature from ffserver (it should be done with an
526
  external program which opens the .ffm url and writes it to another
527
  ffserver)
528
- added preliminary support for video stream parsing (WAV and AVI half
529
  done). Added proper support for audio/video file conversion in
530
  ffmpeg.
531
- added preliminary support for video file sending from ffserver
532
- redesigning I/O subsystem: now using URL based input and output
533
  (see avio.h)
534
- added WAV format support
535
- added "tty user interface" to ffmpeg to stop grabbing gracefully
536
- added MMX/SSE optimizations to SAD (Sums of Absolutes Differences)
537
  (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo at atmlab.utfsm.cl>)
538
- added MMX DCT from mpeg2_movie 1.5 (Juanjo)
539
- added new motion estimation algorithms, log and phods (Juanjo)
540
- changed directories: libav for format handling, libavcodec for
541
  codecs
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545
version 0.3.4:
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547
- added stereo in MPEG audio encoder
548

    
549

    
550

    
551
version 0.3.3:
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553
- added 'high quality' mode which use motion vectors. It can be used in
554
  real time at low resolution.
555
- fixed rounding problems which caused quality problems at high
556
  bitrates and large GOP size
557

    
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559

    
560
version 0.3.2: small fixes
561

    
562
- ASF fixes
563
- put_seek bug fix
564

    
565

    
566

    
567
version 0.3.1: added avi/divx support
568

    
569
- added AVI support
570
- added MPEG-4 codec compatible with OpenDivX. It is based on the H.263 codec
571
- added sound for flash format (not tested)
572

    
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574

    
575
version 0.3: initial public release