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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>:
6

    
7
- WebM support in Matroska de/muxer
8
- low overhead Ogg muxing
9
- MMS-TCP support
10
- VP8 de/encoding via libvpx
11
- Demuxer for On2's IVF format
12
- Pictor/PC Paint decoder
13
- HE-AAC v2 decoder
14
- libfaad2 wrapper removed
15
- DTS-ES extension (XCh) decoding support
16
- native VP8 decoder
17
- RTSP tunneling over HTTP
18
- RTP depacketization of SVQ3
19
- -strict inofficial replaced by -strict unofficial
20
- ffplay -exitonkeydown and -exitonmousedown options added
21
- native GSM / GSM MS decoder
22
- RTP depacketization of QDM2
23
- ANSI/ASCII art playback system
24
- Lego Mindstorms RSO de/muxer
25
- libavcore added
26
- SubRip subtitle file muxer and demuxer
27
- Chinese AVS encoding via libxavs
28
- ffprobe -show_packets option added
29
- RTP packetization of Theora and Vorbis
30
- RTP depacketization of MP4A-LATM
31
- RTP packetization and depacketization of VP8
32
- hflip filter
33
- Apple HTTP Live Streaming demuxer
34
- a64 codec
35
- MMS-HTTP support
36
- G.722 ADPCM audio encoder/decoder
37
- R10k video decoder
38
- ocv_smooth filter
39
- frei0r wrapper filter
40
- change crop filter syntax to width:height:x:y
41
- make the crop filter accept parametric expressions
42
- make ffprobe accept AVFormatContext options
43
- yadif filter
44
- blackframe filter
45
- Demuxer for Leitch/Harris' VR native stream format (LXF)
46
- RTP depacketization of the X-QT QuickTime format
47
- SAP (Session Announcement Protocol, RFC 2974) muxer and demuxer
48
- cropdetect filter
49
- ffmpeg -crop* options removed
50
- transpose filter added
51
- ffmpeg -force_key_frames option added
52
- demuxer for receiving raw rtp:// URLs without an SDP description
53
- single stream LATM/LOAS decoder
54
- setpts filter added
55
- Win64 support for optimized asm functions
56
- MJPEG/AVI1 to JPEG/JFIF bitstream filter
57
- ASS subtitle encoder and decoder
58
- IEC 61937 encapsulation for E-AC3, TrueHD, DTS-HD (for HDMI passthrough)
59
- overlay filter added
60
- rename aspect filter to setdar, and pixelaspect to setsar
61
- IEC 61937 demuxer
62
- Mobotix .mxg demuxer
63
- frei0r source added
64
- hqdn3d filter added
65
- RTP depacketization of QCELP
66
- FLAC parser added
67
- gradfun filter added
68
- AMR-WB decoder
69
- replace the ocv_smooth filter with a more generic ocv filter
70
- Windows Televison (WTV) demuxer
71
- FFmpeg metadata format muxer and demuxer
72
- SubRip (srt) subtitle decoder
73
- floating-point AC-3 encoder added
74
- Lagarith decoder
75
- ffmpeg -copytb option added
76
- IVF muxer added
77
- Wing Commander IV movies decoder added
78
- movie source added
79
- Bink version 'b' audio and video decoder
80
- Bitmap Brothers JV playback system
81
- Apple HTTP Live Streaming protocol handler
82
- sndio support for playback and record
83
- Linux framebuffer input device added
84
- Chronomaster DFA decoder
85
- Mobotix MxPEG decoder
86
- AAC encoding via libvo-aacenc
87
- AMR-WB encoding via libvo-amrwbenc
88

    
89

    
90
version 0.6:
91

    
92
- PB-frame decoding for H.263
93
- deprecated vhook subsystem removed
94
- deprecated old scaler removed
95
- VQF demuxer
96
- Alpha channel scaler
97
- PCX encoder
98
- RTP packetization of H.263
99
- RTP packetization of AMR
100
- RTP depacketization of Vorbis
101
- CorePNG decoding support
102
- Cook multichannel decoding support
103
- introduced avlanguage helpers in libavformat
104
- 8088flex TMV demuxer and decoder
105
- per-stream language-tags extraction in asfdec
106
- V210 decoder and encoder
107
- remaining GPL parts in AC-3 decoder converted to LGPL
108
- QCP demuxer
109
- SoX native format muxer and demuxer
110
- AMR-NB decoding/encoding, AMR-WB decoding via OpenCORE libraries
111
- DPX image decoder
112
- Electronic Arts Madcow decoder
113
- DivX (XSUB) subtitle encoder
114
- nonfree libamr support for AMR-NB/WB decoding/encoding removed
115
- experimental AAC encoder
116
- RTP depacketization of ASF and RTSP from WMS servers
117
- RTMP support in libavformat
118
- noX handling for OPT_BOOL X options
119
- Wave64 demuxer
120
- IEC-61937 compatible Muxer
121
- TwinVQ decoder
122
- Bluray (PGS) subtitle decoder
123
- LPCM support in MPEG-TS (HDMV RID as found on Blu-ray disks)
124
- WMA Pro decoder
125
- Core Audio Format demuxer
126
- Atrac1 decoder
127
- MD STUDIO audio demuxer
128
- RF64 support in WAV demuxer
129
- MPEG-4 Audio Lossless Coding (ALS) decoder
130
- -formats option split into -formats, -codecs, -bsfs, and -protocols
131
- IV8 demuxer
132
- CDG demuxer and decoder
133
- R210 decoder
134
- Auravision Aura 1 and 2 decoders
135
- Deluxe Paint Animation playback system
136
- SIPR decoder
137
- Adobe Filmstrip muxer and demuxer
138
- RTP depacketization of H.263
139
- Bink demuxer and audio/video decoders
140
- enable symbol versioning by default for linkers that support it
141
- IFF PBM/ILBM bitmap decoder
142
- concat protocol
143
- Indeo 5 decoder
144
- RTP depacketization of AMR
145
- WMA Voice decoder
146
- ffprobe tool
147
- AMR-NB decoder
148
- RTSP muxer
149
- HE-AAC v1 decoder
150
- Kega Game Video (KGV1) decoder
151
- VorbisComment writing for FLAC, Ogg FLAC and Ogg Speex files
152
- RTP depacketization of Theora
153
- HTTP Digest authentication
154
- RTMP/RTMPT/RTMPS/RTMPE/RTMPTE protocol support via librtmp
155
- Psygnosis YOP demuxer and video decoder
156
- spectral extension support in the E-AC-3 decoder
157
- unsharp video filter
158
- RTP hinting in the mov/3gp/mp4 muxer
159
- Dirac in Ogg demuxing
160
- seek to keyframes in Ogg
161
- 4:2:2 and 4:4:4 Theora decoding
162
- 35% faster VP3/Theora decoding
163
- faster AAC decoding
164
- faster H.264 decoding
165
- RealAudio 1.0 (14.4K) encoder
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167

    
168
version 0.5:
169

    
170
- DV50 AKA DVCPRO50 encoder, decoder, muxer and demuxer
171
- TechSmith Camtasia (TSCC) video decoder
172
- IBM Ultimotion (ULTI) video decoder
173
- Sierra Online audio file demuxer and decoder
174
- Apple QuickDraw (qdrw) video decoder
175
- Creative ADPCM audio decoder (16 bits as well as 8 bits schemes)
176
- Electronic Arts Multimedia (WVE/UV2/etc.) file demuxer
177
- Miro VideoXL (VIXL) video decoder
178
- H.261 video encoder
179
- QPEG video decoder
180
- Nullsoft Video (NSV) file demuxer
181
- Shorten audio decoder
182
- LOCO video decoder
183
- Apple Lossless Audio Codec (ALAC) decoder
184
- Winnov WNV1 video decoder
185
- Autodesk Animator Studio Codec (AASC) decoder
186
- Indeo 2 video decoder
187
- Fraps FPS1 video decoder
188
- Snow video encoder/decoder
189
- Sonic audio encoder/decoder
190
- Vorbis audio decoder
191
- Macromedia ADPCM decoder
192
- Duck TrueMotion 2 video decoder
193
- support for decoding FLX and DTA extensions in FLIC files
194
- H.264 custom quantization matrices support
195
- ffserver fixed, it should now be usable again
196
- QDM2 audio decoder
197
- Real Cooker audio decoder
198
- TrueSpeech audio decoder
199
- WMA2 audio decoder fixed, now all files should play correctly
200
- RealAudio 14.4 and 28.8 decoders fixed
201
- JPEG-LS decoder
202
- build system improvements
203
- tabs and trailing whitespace removed from the codebase
204
- CamStudio video decoder
205
- AIFF/AIFF-C audio format, encoding and decoding
206
- ADTS AAC file reading and writing
207
- Creative VOC file reading and writing
208
- American Laser Games multimedia (*.mm) playback system
209
- Zip Motion Blocks Video decoder
210
- improved Theora/VP3 decoder
211
- True Audio (TTA) decoder
212
- AVS demuxer and video decoder
213
- JPEG-LS encoder
214
- Smacker demuxer and decoder
215
- NuppelVideo/MythTV demuxer and RTjpeg decoder
216
- KMVC decoder
217
- MPEG-2 intra VLC support
218
- MPEG-2 4:2:2 encoder
219
- Flash Screen Video decoder
220
- GXF demuxer
221
- Chinese AVS decoder
222
- GXF muxer
223
- MXF demuxer
224
- VC-1/WMV3/WMV9 video decoder
225
- MacIntel support
226
- AVISynth support
227
- VMware video decoder
228
- VP5 video decoder
229
- VP6 video decoder
230
- WavPack lossless audio decoder
231
- Targa (.TGA) picture decoder
232
- Vorbis audio encoder
233
- Delphine Software .cin demuxer/audio and video decoder
234
- Tiertex .seq demuxer/video decoder
235
- MTV demuxer
236
- TIFF picture encoder and decoder
237
- GIF picture decoder
238
- Intel Music Coder decoder
239
- Zip Motion Blocks Video encoder
240
- Musepack decoder
241
- Flash Screen Video encoder
242
- Theora encoding via libtheora
243
- BMP encoder
244
- WMA encoder
245
- GSM-MS encoder and decoder
246
- DCA decoder
247
- DXA demuxer and decoder
248
- DNxHD decoder
249
- Gamecube movie (.THP) playback system
250
- Blackfin optimizations
251
- Interplay C93 demuxer and video decoder
252
- Bethsoft VID demuxer and video decoder
253
- CRYO APC demuxer
254
- Atrac3 decoder
255
- V.Flash PTX decoder
256
- RoQ muxer, RoQ audio encoder
257
- Renderware TXD demuxer and decoder
258
- extern C declarations for C++ removed from headers
259
- sws_flags command line option
260
- codebook generator
261
- RoQ video encoder
262
- QTRLE encoder
263
- OS/2 support removed and restored again
264
- AC-3 decoder
265
- NUT muxer
266
- additional SPARC (VIS) optimizations
267
- Matroska muxer
268
- slice-based parallel H.264 decoding
269
- Monkey's Audio demuxer and decoder
270
- AMV audio and video decoder
271
- DNxHD encoder
272
- H.264 PAFF decoding
273
- Nellymoser ASAO decoder
274
- Beam Software SIFF demuxer and decoder
275
- libvorbis Vorbis decoding removed in favor of native decoder
276
- IntraX8 (J-Frame) subdecoder for WMV2 and VC-1
277
- Ogg (Theora, Vorbis and FLAC) muxer
278
- The "device" muxers and demuxers are now in a new libavdevice library
279
- PC Paintbrush PCX decoder
280
- Sun Rasterfile decoder
281
- TechnoTrend PVA demuxer
282
- Linux Media Labs MPEG-4 (LMLM4) demuxer
283
- AVM2 (Flash 9) SWF muxer
284
- QT variant of IMA ADPCM encoder
285
- VFW grabber
286
- iPod/iPhone compatible mp4 muxer
287
- Mimic decoder
288
- MSN TCP Webcam stream demuxer
289
- RL2 demuxer / decoder
290
- IFF demuxer
291
- 8SVX audio decoder
292
- non-recursive Makefiles
293
- BFI demuxer
294
- MAXIS EA XA (.xa) demuxer / decoder
295
- BFI video decoder
296
- OMA demuxer
297
- MLP/TrueHD decoder
298
- Electronic Arts CMV decoder
299
- Motion Pixels Video decoder
300
- Motion Pixels MVI demuxer
301
- removed animated GIF decoder/demuxer
302
- D-Cinema audio muxer
303
- Electronic Arts TGV decoder
304
- Apple Lossless Audio Codec (ALAC) encoder
305
- AAC decoder
306
- floating point PCM encoder/decoder
307
- MXF muxer
308
- DV100 AKA DVCPRO HD decoder and demuxer
309
- E-AC-3 support added to AC-3 decoder
310
- Nellymoser ASAO encoder
311
- ASS and SSA demuxer and muxer
312
- liba52 wrapper removed
313
- SVQ3 watermark decoding support
314
- Speex decoding via libspeex
315
- Electronic Arts TGQ decoder
316
- RV40 decoder
317
- QCELP / PureVoice decoder
318
- RV30 decoder
319
- hybrid WavPack support
320
- R3D REDCODE demuxer
321
- ALSA support for playback and record
322
- Electronic Arts TQI decoder
323
- OpenJPEG based JPEG 2000 decoder
324
- NC (NC4600) camera file demuxer
325
- Gopher client support
326
- MXF D-10 muxer
327
- generic metadata API
328

    
329

    
330
version 0.4.9-pre1:
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332
- DV encoder, DV muxer
333
- Microsoft RLE video decoder
334
- Microsoft Video-1 decoder
335
- Apple Animation (RLE) decoder
336
- Apple Graphics (SMC) decoder
337
- Apple Video (RPZA) decoder
338
- Cinepak decoder
339
- Sega FILM (CPK) file demuxer
340
- Westwood multimedia support (VQA & AUD files)
341
- Id Quake II CIN playback support
342
- 8BPS video decoder
343
- FLIC playback support
344
- RealVideo 2.0 (RV20) decoder
345
- Duck TrueMotion v1 (DUCK) video decoder
346
- Sierra VMD demuxer and video decoder
347
- MSZH and ZLIB decoder support
348
- SVQ1 video encoder
349
- AMR-WB support
350
- PPC optimizations
351
- rate distortion optimal cbp support
352
- rate distorted optimal ac prediction for MPEG-4
353
- rate distorted optimal lambda->qp support
354
- AAC encoding with libfaac
355
- Sunplus JPEG codec (SP5X) support
356
- use Lagrange multipler instead of QP for ratecontrol
357
- Theora/VP3 decoding support
358
- XA and ADX ADPCM codecs
359
- export MPEG-2 active display area / pan scan
360
- Add support for configuring with IBM XLC
361
- floating point AAN DCT
362
- initial support for zygo video (not complete)
363
- RGB ffv1 support
364
- new audio/video parser API
365
- av_log() system
366
- av_read_frame() and av_seek_frame() support
367
- missing last frame fixes
368
- seek by mouse in ffplay
369
- noise reduction of DCT coefficients
370
- H.263 OBMC & 4MV support
371
- H.263 alternative inter vlc support
372
- H.263 loop filter
373
- H.263 slice structured mode
374
- interlaced DCT support for MPEG-2 encoding
375
- stuffing to stay above min_bitrate
376
- MB type & QP visualization
377
- frame stepping for ffplay
378
- interlaced motion estimation
379
- alternate scantable support
380
- SVCD scan offset support
381
- closed GOP support
382
- SSE2 FDCT
383
- quantizer noise shaping
384
- G.726 ADPCM audio codec
385
- MS ADPCM encoding
386
- multithreaded/SMP motion estimation
387
- multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263
388
- multithreaded/SMP decoding for MPEG-2
389
- FLAC decoder
390
- Metrowerks CodeWarrior suppport
391
- H.263+ custom pcf support
392
- nicer output for 'ffmpeg -formats'
393
- Matroska demuxer
394
- SGI image format, encoding and decoding
395
- H.264 loop filter support
396
- H.264 CABAC support
397
- nicer looking arrows for the motion vector visualization
398
- improved VCD support
399
- audio timestamp drift compensation
400
- MPEG-2 YUV 422/444 support
401
- polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample
402
- better image scaling
403
- H.261 support
404
- correctly interleave packets during encoding
405
- VIS optimized motion compensation
406
- intra_dc_precision>0 encoding support
407
- support reuse of motion vectors/MB types/field select values of the source video
408
- more accurate deblock filter
409
- padding support
410
- many optimizations and bugfixes
411
- FunCom ISS audio file demuxer and according ADPCM decoding
412

    
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414
version 0.4.8:
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416
- MPEG-2 video encoding (Michael)
417
- Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)
418
- Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson
419
  and Mario Brito)
420
- Xan DPCM audio decoder (Mario Brito)
421
- Interplay MVE playback subsystem (Mike Melanson)
422
- Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)
423

    
424

    
425
version 0.4.7:
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427
- RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from mplayerhq
428
  (originally from public domain player for Amiga at http://www.honeypot.net/audio)
429
- current version now also compiles with older GCC (Fabrice)
430
- 4X multimedia playback system including 4xm file demuxer (Mike
431
  Melanson), and 4X video and audio codecs (Michael)
432
- Creative YUV (CYUV) decoder (Mike Melanson)
433
- FFV1 codec (our very simple lossless intra only codec, compresses much better
434
  than HuffYUV) (Michael)
435
- ASV1 (Asus), H.264, Intel indeo3 codecs have been added (various)
436
- tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with
437
  alpha support), JPEG YUV colorspace support. (Fabrice Bellard)
438
- ffplay has been replaced with a newer version which uses SDL (optionally)
439
  for multiplatform support (Fabrice)
440
- Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated
441
  by anonymous
442
- AMR format has been added (Johannes Carlsson)
443
- 3GP support has been added (Johannes Carlsson)
444
- VP3 codec has been added (Mike Melanson)
445
- more MPEG-1/2 fixes
446
- better multiplatform support, MS Visual Studio fixes (various)
447
- AltiVec optimizations (Magnus Damn and others)
448
- SH4 processor support has been added (BERO)
449
- new public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)
450
- VOB streaming support (Brian Foley)
451
- better MP3 autodetection (Andriy Rysin)
452
- qpel encoding (Michael)
453
- 4mv+b frames encoding finally fixed (Michael)
454
- chroma ME (Michael)
455
- 5 comparison functions for ME (Michael)
456
- B-frame encoding speedup (Michael)
457
- WMV2 codec (unfinished - Michael)
458
- user specified diamond size for EPZS (Michael)
459
- Playstation STR playback subsystem, still experimental (Mike and Michael)
460
- ASV2 codec (Michael)
461
- CLJR decoder (Alex)
462

    
463
.. And lots more new enhancements and fixes.
464

    
465

    
466
version 0.4.6:
467

    
468
- completely new integer only MPEG audio layer 1/2/3 decoder rewritten
469
  from scratch
470
- Recoded DCT and motion vector search with gcc (no longer depends on nasm)
471
- fix quantization bug in AC3 encoder
472
- added PCM codecs and format. Corrected WAV/AVI/ASF PCM issues
473
- added prototype ffplay program
474
- added GOB header parsing on H.263/H.263+ decoder (Juanjo)
475
- bug fix on MCBPC tables of H.263 (Juanjo)
476
- bug fix on DC coefficients of H.263 (Juanjo)
477
- added Advanced Prediction Mode on H.263/H.263+ decoder (Juanjo)
478
- now we can decode H.263 streams found in QuickTime files (Juanjo)
479
- now we can decode H.263 streams found in VIVO v1 files(Juanjo)
480
- preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)
481
- added GOB header for H.263/H.263+ coding on RTP mode (Juanjo)
482
- now H.263 picture size is returned on the first decoded frame (Juanjo)
483
- added first regression tests
484
- added MPEG-2 TS demuxer
485
- new demux API for libav
486
- more accurate and faster IDCT (Michael)
487
- faster and entropy-controlled motion search (Michael)
488
- two pass video encoding (Michael)
489
- new video rate control (Michael)
490
- added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)
491
- great performance improvement of video encoders and decoders (Michael)
492
- new and faster bit readers and vlc parsers (Michael)
493
- high quality encoding mode: tries all macroblock/VLC types (Michael)
494
- added DV video decoder
495
- preliminary RTP/RTSP support in ffserver and libavformat
496
- H.263+ AIC decoding/encoding support (Juanjo)
497
- VCD MPEG-PS mode (Juanjo)
498
- PSNR stuff (Juanjo)
499
- simple stats output (Juanjo)
500
- 16-bit and 15-bit RGB/BGR/GBR support (Bisqwit)
501

    
502

    
503
version 0.4.5:
504

    
505
- some header fixes (Zdenek Kabelac <kabi at informatics.muni.cz>)
506
- many MMX optimizations (Nick Kurshev <nickols_k at mail.ru>)
507
- added configure system (actually a small shell script)
508
- added MPEG audio layer 1/2/3 decoding using LGPL'ed mpglib by
509
  Michael Hipp (temporary solution - waiting for integer only
510
  decoder)
511
- fixed VIDIOCSYNC interrupt
512
- added Intel H.263 decoding support ('I263' AVI fourCC)
513
- added Real Video 1.0 decoding (needs further testing)
514
- simplified image formats again. Added PGM format (=grey
515
  pgm). Renamed old PGM to PGMYUV.
516
- fixed msmpeg4 slice issues (tell me if you still find problems)
517
- fixed OpenDivX bugs with newer versions (added VOL header decoding)
518
- added support for MPlayer interface
519
- added macroblock skip optimization
520
- added MJPEG decoder
521
- added mmx/mmxext IDCT from libmpeg2
522
- added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer
523
  <celer at shell.scrypt.net>)
524
- added pixel format conversion layer (e.g. for MJPEG or PPM)
525
- added deinterlacing option
526
- MPEG-1/2 fixes
527
- MPEG-4 vol header fixes (Jonathan Marsden <snmjbm at pacbell.net>)
528
- ARM optimizations (Lionel Ulmer <lionel.ulmer at free.fr>).
529
- Windows porting of file converter
530
- added MJPEG raw format (input/ouput)
531
- added JPEG image format support (input/output)
532

    
533

    
534
version 0.4.4:
535

    
536
- fixed some std header definitions (Bjorn Lindgren
537
  <bjorn.e.lindgren at telia.com>).
538
- added MPEG demuxer (MPEG-1 and 2 compatible).
539
- added ASF demuxer
540
- added prototype RM demuxer
541
- added AC3 decoding (done with libac3 by Aaron Holtzman)
542
- added decoding codec parameter guessing (.e.g. for MPEG, because the
543
  header does not include them)
544
- fixed header generation in MPEG-1, AVI and ASF muxer: wmplayer can now
545
  play them (only tested video)
546
- fixed H.263 white bug
547
- fixed phase rounding in img resample filter
548
- add MMX code for polyphase img resample filter
549
- added CPU autodetection
550
- added generic title/author/copyright/comment string handling (ASF and RM
551
  use them)
552
- added SWF demux to extract MP3 track (not usable yet because no MP3
553
  decoder)
554
- added fractional frame rate support
555
- codecs are no longer searched by read_header() (should fix ffserver
556
  segfault)
557

    
558

    
559
version 0.4.3:
560

    
561
- BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq at amsat.org>)
562
- fixed raw yuv output
563
- added motion rounding support in MPEG-4
564
- fixed motion bug rounding in MSMPEG4
565
- added B-frame handling in video core
566
- added full MPEG-1 decoding support
567
- added partial (frame only) MPEG-2 support
568
- changed the FOURCC code for H.263 to "U263" to be able to see the
569
  +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with
570
  this +codec ;) (JuanJo).
571
- Halfpel motion estimation after MB type selection (JuanJo)
572
- added pgm and .Y.U.V output format
573
- suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or
574
  output.
575
- added pgmpipe I/O format (original patch from Martin Aumueller
576
  <lists at reserv.at>, but changed completely since we use a format
577
  instead of a protocol)
578

    
579

    
580
version 0.4.2:
581

    
582
- added H.263/MPEG-4/MSMPEG4 decoding support. MPEG-4 decoding support
583
  (for OpenDivX) is almost complete: 8x8 MVs and rounding are
584
  missing. MSMPEG4 support is complete.
585
- added prototype MPEG-1 decoder. Only I- and P-frames handled yet (it
586
  can decode ffmpeg MPEGs :-)).
587
- added libavcodec API documentation (see apiexample.c).
588
- fixed image polyphase bug (the bottom of some images could be
589
  greenish)
590
- added support for non clipped motion vectors (decoding only)
591
  and image sizes non-multiple of 16
592
- added support for AC prediction (decoding only)
593
- added file overwrite confirmation (can be disabled with -y)
594
- added custom size picture to H.263 using H.263+ (Juanjo)
595

    
596

    
597
version 0.4.1:
598

    
599
- added MSMPEG4 (aka DivX) compatible encoder. Changed default codec
600
  of AVI and ASF to DIV3.
601
- added -me option to set motion estimation method
602
  (default=log). suppressed redundant -hq option.
603
- added options -acodec and -vcodec to force a given codec (useful for
604
  AVI for example)
605
- fixed -an option
606
- improved dct_quantize speed
607
- factorized some motion estimation code
608

    
609

    
610
version 0.4.0:
611

    
612
- removing grab code from ffserver and moved it to ffmpeg. Added
613
  multistream support to ffmpeg.
614
- added timeshifting support for live feeds (option ?date=xxx in the
615
  URL)
616
- added high quality image resize code with polyphase filter (need
617
  mmx/see optimization). Enable multiple image size support in ffserver.
618
- added multi live feed support in ffserver
619
- suppressed master feature from ffserver (it should be done with an
620
  external program which opens the .ffm url and writes it to another
621
  ffserver)
622
- added preliminary support for video stream parsing (WAV and AVI half
623
  done). Added proper support for audio/video file conversion in
624
  ffmpeg.
625
- added preliminary support for video file sending from ffserver
626
- redesigning I/O subsystem: now using URL based input and output
627
  (see avio.h)
628
- added WAV format support
629
- added "tty user interface" to ffmpeg to stop grabbing gracefully
630
- added MMX/SSE optimizations to SAD (Sums of Absolutes Differences)
631
  (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo at atmlab.utfsm.cl>)
632
- added MMX DCT from mpeg2_movie 1.5 (Juanjo)
633
- added new motion estimation algorithms, log and phods (Juanjo)
634
- changed directories: libav for format handling, libavcodec for
635
  codecs
636

    
637

    
638
version 0.3.4:
639

    
640
- added stereo in MPEG audio encoder
641

    
642

    
643
version 0.3.3:
644

    
645
- added 'high quality' mode which use motion vectors. It can be used in
646
  real time at low resolution.
647
- fixed rounding problems which caused quality problems at high
648
  bitrates and large GOP size
649

    
650

    
651
version 0.3.2: small fixes
652

    
653
- ASF fixes
654
- put_seek bug fix
655

    
656

    
657
version 0.3.1: added avi/divx support
658

    
659
- added AVI support
660
- added MPEG-4 codec compatible with OpenDivX. It is based on the H.263 codec
661
- added sound for flash format (not tested)
662

    
663

    
664
version 0.3: initial public release