Changelog 25.4 KB
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5 6
version <next>:
- BWF muxer
7
- Flash Screen Video 2 decoder
Anton Khirnov's avatar
Anton Khirnov committed
8
- ffplay/ffprobe/ffserver renamed to avplay/avprobe/avserver
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- ffmpeg deprecated, added avconv, which is almost the same for now, except
for a few incompatible changes in the options, which will hopefully make them
easier to use. The changes are:
    * -newvideo/-newaudio/-newsubtitle are gone, because they were redundant and
      worked in a nonstandard way. -map is sufficient to add streams to output
      files.
    * -map now has slightly different and more powerful syntax.
        + it's possible to specify stream type. E.g. -map 0:a:2 means 'third
          audio stream'.
        + omitting the stream index now maps all the streams of the given
          type, not just the first. E.g. -map 0:s maps all the subtitle streams.
        + colons (':') are used to separate file index/stream type/stream
          index. Comma (',') is used to separate the sync stream. This is done
          for consistency with other options.
        + since -map can now match multiple streams, negative mappings were
          introduced. Negative mappings disable some streams from an already
          defined map. E.g. '-map 0 -map -0:a:1' means 'map everything except
          for the second audio stream'.
    * -vcodec/-acodec/-scodec are replaced by -c (or -codec), which
      allows to precisely specify target stream(s) consistently with other
      options. E.g. '-c:v libx264' sets the codec for all video streams,
      '-c:a:0 libvorbis' sets the codec for the first audio stream and '-c
      copy' copies all the streams.
    * It is now possible to precisely specify which stream should an AVOption
      apply to. See the manual for detailed explanation.
    * -map_chapters now takes only an input file index and applies to the next
      output file. This is consistent with how all the other options work.
    * -map_metadata now takes only an input metadata specifier and applies to
      the next output file. Output metadata specifier is now part of the option
      name, similarly to the AVOptions/map/codec feature above.
    * Presets in avconv are disabled, because only libx264 used them and
      presets for libx264 can now be specified using a private option
      '-preset <presetname>'.
Anton Khirnov's avatar
Anton Khirnov committed
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    * -intra option was removed, it's equivalent to -g 0.
Sven Hesse's avatar
Sven Hesse committed
43
- XMV demuxer
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- Windows Media Image decoder
Janne Grunau's avatar
Janne Grunau committed
45
- LATM muxer/demuxer
Stefano Sabatini's avatar
Stefano Sabatini committed
46
- showinfo filter
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- split filter
48
- libcdio-paranoia input device for audio CD grabbing
Stefano Sabatini's avatar
Stefano Sabatini committed
49
- select filter
Maxim Poliakovski's avatar
Maxim Poliakovski committed
50
- Apple ProRes decoder
51
- CELT in Ogg demuxing
52
- VC-1 interlaced decoding
53
- lut, lutrgb, and lutyuv filters
54
- boxblur filter
Kostya Shishkov's avatar
Kostya Shishkov committed
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- Ut Video decoder
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- Speex encoding via libspeex
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- 4:2:2 H.264 decoding support
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- Pulseaudio input device
59 60


Reinhard Tartler's avatar
Reinhard Tartler committed
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version 0.7:
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- E-AC-3 audio encoder
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- ac3enc: add channel coupling support
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- floating-point sample format support for (E-)AC-3, DCA, AAC, Vorbis decoders
- H.264/MPEG frame-level multithreading
- av_metadata_* functions renamed to av_dict_* and moved to libavutil
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- 4:4:4 H.264 decoding support
- 10-bit H.264 optimizations for x86
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- bump libswscale for recently reported ABI break
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72 73 74

version 0.7_beta2:

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- VP8 frame-level multithreading
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- NEON optimizations for VP8
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- removed a lot of deprecated API cruft
- FFT and IMDCT optimizations for AVX (Sandy Bridge) processors
Peter Ross's avatar
Peter Ross committed
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- DPX image encoder
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- SMPTE 302M AES3 audio decoder
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- ffmpeg no longer quits after the 'q' key is pressed; use 'ctrl+c' instead
Reinhard Tartler's avatar
Reinhard Tartler committed
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- 9bit and 10bit per sample support in the H.264 decoder
Peter Ross's avatar
Peter Ross committed
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84 85 86

version 0.7_beta1:

James Zern's avatar
James Zern committed
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- WebM support in Matroska de/muxer
Diego Biurrun's avatar
Diego Biurrun committed
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- low overhead Ogg muxing
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- MMS-TCP support
James Zern's avatar
James Zern committed
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- VP8 de/encoding via libvpx
David Conrad's avatar
David Conrad committed
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- Demuxer for On2's IVF format
Peter Ross's avatar
Peter Ross committed
92
- Pictor/PC Paint decoder
93
- HE-AAC v2 decoder
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- libfaad2 wrapper removed
95
- DTS-ES extension (XCh) decoding support
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- native VP8 decoder
97
- RTSP tunneling over HTTP
Josh Allmann's avatar
Josh Allmann committed
98
- RTP depacketization of SVQ3
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- -strict inofficial replaced by -strict unofficial
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- ffplay -exitonkeydown and -exitonmousedown options added
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- native GSM / GSM MS decoder
Josh Allmann's avatar
Josh Allmann committed
102
- RTP depacketization of QDM2
Peter Ross's avatar
Peter Ross committed
103
- ANSI/ASCII art playback system
104
- Lego Mindstorms RSO de/muxer
Aurelien Jacobs's avatar
Aurelien Jacobs committed
105
- SubRip subtitle file muxer and demuxer
106
- Chinese AVS encoding via libxavs
107
- ffprobe -show_packets option added
108
- RTP packetization of Theora and Vorbis
109
- RTP depacketization of MP4A-LATM
Josh Allmann's avatar
Josh Allmann committed
110
- RTP packetization and depacketization of VP8
Stefano Sabatini's avatar
Stefano Sabatini committed
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- hflip filter
112
- Apple HTTP Live Streaming demuxer
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- a64 codec
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- MMS-HTTP support
Martin Storsjö's avatar
Martin Storsjö committed
115
- G.722 ADPCM audio encoder/decoder
Zhou Zongyi's avatar
Zhou Zongyi committed
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- R10k video decoder
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- ocv_smooth filter
Stefano Sabatini's avatar
Stefano Sabatini committed
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- frei0r wrapper filter
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- change crop filter syntax to width:height:x:y
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- make the crop filter accept parametric expressions
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- make ffprobe accept AVFormatContext options
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- yadif filter
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- blackframe filter
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- Demuxer for Leitch/Harris' VR native stream format (LXF)
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- RTP depacketization of the X-QT QuickTime format
Martin Storsjö's avatar
Martin Storsjö committed
126
- SAP (Session Announcement Protocol, RFC 2974) muxer and demuxer
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- cropdetect filter
Stefano Sabatini's avatar
Stefano Sabatini committed
128
- ffmpeg -crop* options removed
Stefano Sabatini's avatar
Stefano Sabatini committed
129
- transpose filter added
130
- ffmpeg -force_key_frames option added
131
- demuxer for receiving raw rtp:// URLs without an SDP description
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- single stream LATM/LOAS decoder
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- setpts filter added
134
- Win64 support for optimized x86 assembly functions
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- MJPEG/AVI1 to JPEG/JFIF bitstream filter
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- ASS subtitle encoder and decoder
137
- IEC 61937 encapsulation for E-AC-3, TrueHD, DTS-HD (for HDMI passthrough)
138
- overlay filter added
139
- rename aspect filter to setdar, and pixelaspect to setsar
Anssi Hannula's avatar
Anssi Hannula committed
140
- IEC 61937 demuxer
Anatoly Nenashev's avatar
Anatoly Nenashev committed
141
- Mobotix .mxg demuxer
Stefano Sabatini's avatar
Stefano Sabatini committed
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- frei0r source added
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- hqdn3d filter added
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- RTP depacketization of QCELP
Michael Chinen's avatar
Michael Chinen committed
145
- FLAC parser added
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- gradfun filter added
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- AMR-WB decoder
Stefano Sabatini's avatar
Stefano Sabatini committed
148
- replace the ocv_smooth filter with a more generic ocv filter
Peter Ross's avatar
Peter Ross committed
149
- Windows Televison (WTV) demuxer
Anton Khirnov's avatar
Anton Khirnov committed
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- FFmpeg metadata format muxer and demuxer
Aurelien Jacobs's avatar
Aurelien Jacobs committed
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- SubRip (srt) subtitle decoder
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- floating-point AC-3 encoder added
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- Lagarith decoder
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- ffmpeg -copytb option added
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- IVF muxer added
Kostya Shishkov's avatar
Kostya Shishkov committed
156
- Wing Commander IV movies decoder added
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- movie source added
Peter Ross's avatar
Peter Ross committed
158
- Bink version 'b' audio and video decoder
Peter Ross's avatar
Peter Ross committed
159
- Bitmap Brothers JV playback system
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- Apple HTTP Live Streaming protocol handler
Brad's avatar
Brad committed
161
- sndio support for playback and record
Stefano Sabatini's avatar
Stefano Sabatini committed
162
- Linux framebuffer input device added
Kostya Shishkov's avatar
Kostya Shishkov committed
163
- Chronomaster DFA decoder
anatoly's avatar
anatoly committed
164
- Mobotix MxPEG decoder
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- AAC encoding via libvo-aacenc
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- AMR-WB encoding via libvo-amrwbenc
Max Horn's avatar
Max Horn committed
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- xWMA demuxer
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Mark Himsley committed
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- fieldorder video filter added
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version 0.6:

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- PB-frame decoding for H.263
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- deprecated vhook subsystem removed
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- deprecated old scaler removed
Vitor Sessak's avatar
Vitor Sessak committed
176
- VQF demuxer
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- Alpha channel scaler
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- PCX encoder
179
- RTP packetization of H.263
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- RTP packetization of AMR
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- RTP depacketization of Vorbis
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- CorePNG decoding support
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- Cook multichannel decoding support
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- introduced avlanguage helpers in libavformat
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- 8088flex TMV demuxer and decoder
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- per-stream language-tags extraction in asfdec
187
- V210 decoder and encoder
188
- remaining GPL parts in AC-3 decoder converted to LGPL
Kenan Gillet's avatar
Kenan Gillet committed
189
- QCP demuxer
190
- SoX native format muxer and demuxer
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- AMR-NB decoding/encoding, AMR-WB decoding via OpenCORE libraries
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- DPX image decoder
Peter Ross's avatar
Peter Ross committed
193
- Electronic Arts Madcow decoder
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- DivX (XSUB) subtitle encoder
195
- nonfree libamr support for AMR-NB/WB decoding/encoding removed
Diego Biurrun's avatar
Diego Biurrun committed
196
- experimental AAC encoder
197
- RTP depacketization of ASF and RTSP from WMS servers
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- RTMP support in libavformat
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- noX handling for OPT_BOOL X options
Daniel Verkamp's avatar
Daniel Verkamp committed
200
- Wave64 demuxer
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- IEC-61937 compatible Muxer
Vitor Sessak's avatar
Vitor Sessak committed
202
- TwinVQ decoder
Stephen Backway's avatar
Stephen Backway committed
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- Bluray (PGS) subtitle decoder
204
- LPCM support in MPEG-TS (HDMV RID as found on Blu-ray disks)
Diego Biurrun's avatar
Diego Biurrun committed
205
- WMA Pro decoder
Peter Ross's avatar
Peter Ross committed
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- Core Audio Format demuxer
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- Atrac1 decoder
- MD STUDIO audio demuxer
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- RF64 support in WAV demuxer
210
- MPEG-4 Audio Lossless Coding (ALS) decoder
Daniel Verkamp's avatar
Daniel Verkamp committed
211
- -formats option split into -formats, -codecs, -bsfs, and -protocols
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- IV8 demuxer
Michael Tison's avatar
Michael Tison committed
213
- CDG demuxer and decoder
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- R210 decoder
Kostya Shishkov's avatar
Kostya Shishkov committed
215
- Auravision Aura 1 and 2 decoders
Peter Ross's avatar
Peter Ross committed
216
- Deluxe Paint Animation playback system
Vitor Sessak's avatar
Vitor Sessak committed
217
- SIPR decoder
Peter Ross's avatar
Peter Ross committed
218
- Adobe Filmstrip muxer and demuxer
219
- RTP depacketization of H.263
Kostya Shishkov's avatar
Kostya Shishkov committed
220
- Bink demuxer and audio/video decoders
Reinhard Tartler's avatar
Reinhard Tartler committed
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- enable symbol versioning by default for linkers that support it
Peter Ross's avatar
Peter Ross committed
222
- IFF PBM/ILBM bitmap decoder
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- concat protocol
Kostya Shishkov's avatar
Kostya Shishkov committed
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- Indeo 5 decoder
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- RTP depacketization of AMR
Diego Biurrun's avatar
Diego Biurrun committed
226 227
- WMA Voice decoder
- ffprobe tool
228
- AMR-NB decoder
Martin Storsjö's avatar
Martin Storsjö committed
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- RTSP muxer
Alex Converse's avatar
Alex Converse committed
230
- HE-AAC v1 decoder
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- Kega Game Video (KGV1) decoder
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- VorbisComment writing for FLAC, Ogg FLAC and Ogg Speex files
Josh Allmann's avatar
Josh Allmann committed
233
- RTP depacketization of Theora
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- HTTP Digest authentication
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- RTMP/RTMPT/RTMPS/RTMPE/RTMPTE protocol support via librtmp
236
- Psygnosis YOP demuxer and video decoder
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- spectral extension support in the E-AC-3 decoder
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- unsharp video filter
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- RTP hinting in the mov/3gp/mp4 muxer
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- 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
Francesco Lavra's avatar
Francesco Lavra committed
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- RealAudio 1.0 (14.4K) encoder
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Diego Biurrun's avatar
Diego Biurrun committed
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version 0.5:

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- DV50 AKA DVCPRO50 encoder, decoder, muxer and demuxer
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- TechSmith Camtasia (TSCC) video decoder
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- IBM Ultimotion (ULTI) video decoder
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- Sierra Online audio file demuxer and decoder
- Apple QuickDraw (qdrw) video decoder
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- Creative ADPCM audio decoder (16 bits as well as 8 bits schemes)
257
- Electronic Arts Multimedia (WVE/UV2/etc.) file demuxer
258
- Miro VideoXL (VIXL) video decoder
Mike Melanson's avatar
Mike Melanson committed
259
- H.261 video encoder
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- QPEG video decoder
Mike Melanson's avatar
Mike Melanson committed
261
- Nullsoft Video (NSV) file demuxer
Mike Melanson's avatar
Mike Melanson committed
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- Shorten audio decoder
263
- LOCO video decoder
264
- Apple Lossless Audio Codec (ALAC) decoder
265
- Winnov WNV1 video decoder
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- Autodesk Animator Studio Codec (AASC) decoder
Diego Biurrun's avatar
Indeo 2  
Diego Biurrun committed
267
- Indeo 2 video decoder
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- Fraps FPS1 video decoder
Diego Biurrun's avatar
Diego Biurrun committed
269
- Snow video encoder/decoder
Alex Beregszaszi's avatar
Alex Beregszaszi committed
270
- Sonic audio encoder/decoder
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- Vorbis audio decoder
Alex Beregszaszi's avatar
Alex Beregszaszi committed
272
- Macromedia ADPCM decoder
Diego Biurrun's avatar
Diego Biurrun committed
273 274
- Duck TrueMotion 2 video decoder
- support for decoding FLX and DTA extensions in FLIC files
Loren Merritt's avatar
Loren Merritt committed
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- H.264 custom quantization matrices support
Diego Biurrun's avatar
Diego Biurrun committed
276
- ffserver fixed, it should now be usable again
Diego Biurrun's avatar
QDM2  
Diego Biurrun committed
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- QDM2 audio decoder
Alex Beregszaszi's avatar
Alex Beregszaszi committed
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- Real Cooker audio decoder
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- TrueSpeech audio decoder
Diego Biurrun's avatar
Diego Biurrun committed
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- WMA2 audio decoder fixed, now all files should play correctly
- RealAudio 14.4 and 28.8 decoders fixed
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- JPEG-LS decoder
Diego Biurrun's avatar
updates  
Diego Biurrun committed
283 284
- build system improvements
- tabs and trailing whitespace removed from the codebase
285
- CamStudio video decoder
286
- AIFF/AIFF-C audio format, encoding and decoding
287
- ADTS AAC file reading and writing
Aurelien Jacobs's avatar
Aurelien Jacobs committed
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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
Alex Beregszaszi's avatar
Alex Beregszaszi committed
292
- True Audio (TTA) decoder
293
- AVS demuxer and video decoder
294
- JPEG-LS encoder
Kostya Shishkov's avatar
Kostya Shishkov committed
295
- Smacker demuxer and decoder
296
- NuppelVideo/MythTV demuxer and RTjpeg decoder
297
- KMVC decoder
298
- MPEG-2 intra VLC support
299
- MPEG-2 4:2:2 encoder
300
- Flash Screen Video decoder
Reimar Döffinger's avatar
Reimar Döffinger committed
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- GXF demuxer
Diego Biurrun's avatar
Diego Biurrun committed
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- Chinese AVS decoder
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- GXF muxer
Baptiste Coudurier's avatar
Baptiste Coudurier committed
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- MXF demuxer
Diego Biurrun's avatar
Diego Biurrun committed
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- VC-1/WMV3/WMV9 video decoder
Guillaume Poirier's avatar
Guillaume Poirier committed
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- MacIntel support
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- AVISynth support
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- VMware video decoder
Aurelien Jacobs's avatar
Aurelien Jacobs committed
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- VP5 video decoder
- VP6 video decoder
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- WavPack lossless audio decoder
Kostya Shishkov's avatar
Kostya Shishkov committed
312
- 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
318
- 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
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- Flash Screen Video encoder
Diego Biurrun's avatar
Diego Biurrun committed
323
- Theora encoding via libtheora
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- BMP encoder
Diego Biurrun's avatar
Diego Biurrun committed
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- WMA encoder
Michel Bardiaux's avatar
Michel Bardiaux committed
326
- GSM-MS encoder and decoder
Kostya Shishkov's avatar
Kostya Shishkov committed
327
- DCA decoder
Kostya Shishkov's avatar
Kostya Shishkov committed
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- DXA demuxer and decoder
Baptiste Coudurier's avatar
Baptiste Coudurier committed
329
- DNxHD decoder
330
- Gamecube movie (.THP) playback system
331
- Blackfin optimizations
332
- Interplay C93 demuxer and video decoder
333
- Bethsoft VID demuxer and video decoder
Anssi Hannula's avatar
Anssi Hannula committed
334
- CRYO APC demuxer
Benjamin Larsson's avatar
Benjamin Larsson committed
335
- Atrac3 decoder
Ivo van Poorten's avatar
Ivo van Poorten committed
336
- V.Flash PTX decoder
337
- RoQ muxer, RoQ audio encoder
338
- Renderware TXD demuxer and decoder
339
- extern C declarations for C++ removed from headers
340
- sws_flags command line option
341
- codebook generator
Vitor Sessak's avatar
Vitor Sessak committed
342
- RoQ video encoder
Alexis Ballier's avatar
Alexis Ballier committed
343
- QTRLE encoder
344
- OS/2 support removed and restored again
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- AC-3 decoder
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- NUT muxer
347
- additional SPARC (VIS) optimizations
David Conrad's avatar
David Conrad committed
348
- Matroska muxer
349
- slice-based parallel H.264 decoding
Kostya Shishkov's avatar
Kostya Shishkov committed
350
- Monkey's Audio demuxer and decoder
Vladimir Voroshilov's avatar
Vladimir Voroshilov committed
351
- AMV audio and video decoder
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- DNxHD encoder
Carl Eugen Hoyos's avatar
Carl Eugen Hoyos committed
353
- H.264 PAFF decoding
Benjamin Larsson's avatar
Benjamin Larsson committed
354
- Nellymoser ASAO decoder
355
- Beam Software SIFF demuxer and decoder
356
- libvorbis Vorbis decoding removed in favor of native decoder
Diego Biurrun's avatar
Diego Biurrun committed
357
- IntraX8 (J-Frame) subdecoder for WMV2 and VC-1
358
- 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
- Sun Rasterfile decoder
Ivo van Poorten's avatar
Ivo van Poorten committed
362
- TechnoTrend PVA demuxer
Ivo van Poorten's avatar
Ivo van Poorten committed
363
- Linux Media Labs MPEG-4 (LMLM4) demuxer
364
- AVM2 (Flash 9) SWF muxer
365
- QT variant of IMA ADPCM encoder
Ramiro Polla's avatar
Ramiro Polla committed
366
- VFW grabber
367
- iPod/iPhone compatible mp4 muxer
Ramiro Polla's avatar
Ramiro Polla committed
368
- Mimic decoder
Ramiro Polla's avatar
Ramiro Polla committed
369
- MSN TCP Webcam stream demuxer
Sascha Sommer's avatar
Sascha Sommer committed
370
- RL2 demuxer / decoder
371 372
- IFF demuxer
- 8SVX audio decoder
373
- non-recursive Makefiles
Sisir Koppaka's avatar
Sisir Koppaka committed
374
- BFI demuxer
375
- MAXIS EA XA (.xa) demuxer / decoder
Sisir Koppaka's avatar
Sisir Koppaka committed
376
- BFI video decoder
Benjamin Larsson's avatar
Benjamin Larsson committed
377
- OMA demuxer
Ramiro Polla's avatar
Ramiro Polla committed
378
- MLP/TrueHD decoder
379
- Electronic Arts CMV decoder
380 381
- Motion Pixels Video decoder
- Motion Pixels MVI demuxer
382
- removed animated GIF decoder/demuxer
Peter Ross's avatar
Peter Ross committed
383
- D-Cinema audio muxer
Peter Ross's avatar
Peter Ross committed
384
- Electronic Arts TGV decoder
385
- Apple Lossless Audio Codec (ALAC) encoder
386
- AAC decoder
387
- floating point PCM encoder/decoder
388
- MXF muxer
389
- DV100 AKA DVCPRO HD decoder and demuxer
390
- E-AC-3 support added to AC-3 decoder
391
- Nellymoser ASAO encoder
392
- ASS and SSA demuxer and muxer
393
- liba52 wrapper removed
Ben Littler's avatar
Ben Littler committed
394
- SVQ3 watermark decoding support
395
- Speex decoding via libspeex
Peter Ross's avatar
Peter Ross committed
396
- Electronic Arts TGQ decoder
397
- RV40 decoder
398
- QCELP / PureVoice decoder
399
- RV30 decoder
Ben Littler's avatar
Ben Littler committed
400
- hybrid WavPack support
Baptiste Coudurier's avatar
Baptiste Coudurier committed
401
- R3D REDCODE demuxer
402
- ALSA support for playback and record
Peter Ross's avatar
Peter Ross committed
403
- Electronic Arts TQI decoder
404
- OpenJPEG based JPEG 2000 decoder
405
- NC (NC4600) camera file demuxer
406
- Gopher client support
Baptiste Coudurier's avatar
Baptiste Coudurier committed
407
- MXF D-10 muxer
408 409
- generic metadata API

410

Michael Niedermayer's avatar
update  
Michael Niedermayer committed
411 412
version 0.4.9-pre1:

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- DV encoder, DV muxer
414 415
- Microsoft RLE video decoder
- Microsoft Video-1 decoder
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- Apple Animation (RLE) decoder
Mike Melanson's avatar
Mike Melanson committed
417
- Apple Graphics (SMC) decoder
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- Apple Video (RPZA) decoder
- Cinepak decoder
- Sega FILM (CPK) file demuxer
Mike Melanson's avatar
Mike Melanson committed
421
- Westwood multimedia support (VQA & AUD files)
422
- Id Quake II CIN playback support
Mike Melanson's avatar
Mike Melanson committed
423 424
- 8BPS video decoder
- FLIC playback support
425 426
- RealVideo 2.0 (RV20) decoder
- Duck TrueMotion v1 (DUCK) video decoder
Mike Melanson's avatar
Mike Melanson committed
427
- Sierra VMD demuxer and video decoder
Michael Niedermayer's avatar
update  
Michael Niedermayer committed
428
- MSZH and ZLIB decoder support
429
- SVQ1 video encoder
Michael Niedermayer's avatar
update  
Michael Niedermayer committed
430
- AMR-WB support
Diego Biurrun's avatar
Diego Biurrun committed
431
- PPC optimizations
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update  
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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
- AAC encoding with libfaac
- Sunplus JPEG codec (SP5X) support
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- use Lagrange multipler instead of QP for ratecontrol
- 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
- floating point AAN DCT
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- initial support for zygo video (not complete)
- RGB ffv1 support
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- 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
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- 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
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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
- interlaced motion estimation
- alternate scantable support
- SVCD scan offset support
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- closed GOP support
- SSE2 FDCT
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- quantizer noise shaping
- G.726 ADPCM audio codec
- MS ADPCM encoding
- multithreaded/SMP motion estimation
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- multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263
- multithreaded/SMP decoding for MPEG-2
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- FLAC decoder
- 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
- H.264 CABAC support
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- nicer looking arrows for the motion vector visualization
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- improved VCD support
- 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
- better image scaling
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- H.261 support
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- correctly interleave packets during encoding
- VIS optimized motion compensation
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- intra_dc_precision>0 encoding support
- support reuse of motion vectors/MB types/field select values of the source video
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- more accurate deblock filter
- padding support
- 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
  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)

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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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.. 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
  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)
561
- 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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- new demux API for libav
567
- more accurate and faster IDCT (Michael)
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- faster and entropy-controlled motion search (Michael)
569 570 571 572 573
- 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)
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- 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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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
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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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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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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
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  instead of a protocol)
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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
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  missing. MSMPEG4 support is complete.
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- added prototype MPEG-1 decoder. Only I- and P-frames handled yet (it
  can decode ffmpeg MPEGs :-)).
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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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version 0.4.1:

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- added MSMPEG4 (aka DivX) compatible encoder. Changed default codec
  of AVI and ASF to DIV3.
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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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