1 Entries are sorted chronologically from oldest to youngest within each release,
2 releases are sorted from youngest to oldest.
5 - av_basename and av_dirname
6 - adobe and limelight publisher authentication in RTMP
7 - VDPAU hardware acceleration through normal hwaccel
12 - ashowinfo audio filter
13 - 24-bit FLAC encoding
15 - deprecated the avconv -vol option. the volume filter is to be used instead.
16 - multi-channel ALAC encoding up to 7.1
17 - TAK demuxer, parser, and decoder
18 - adaptive frame-level multithreading for H.264
22 - metadata (INFO tag) support in WAV muxer
23 - support for building DLLs using MSVC
24 - remove avserver daemon mode
25 - support building on the Plan 9 operating system
26 - ffv1: support version 1.3
31 - XWD encoder and decoder
32 - Support for fragmentation in the mov/mp4 muxer
33 - ISMV (Smooth Streaming) muxer
34 - CDXL demuxer and decoder
35 - Apple ProRes encoder
36 - Sun Rasterfile Encoder
38 - ID3v2 attached pictures reading and writing
39 - WMA Lossless decoder
41 - RealAudio Lossless decoder
43 - drop support for avconv without libavfilter
44 - add libavresample audio conversion library
45 - audio filters support in libavfilter and avconv
49 - avprobe output is now standard INI or JSON. The old format can still
52 - channelsplit audio filter
53 - RTMPT protocol support
54 - iLBC encoding/decoding via libilbc
55 - Microsoft Screen 1 decoder
57 - audio channel mapping filter
58 - Microsoft ATC Screen decoder
60 - TechSmith Screen Codec 2 decoder
61 - AAC encoding via libfdk-aac
62 - Microsoft Expression Encoder Screen decoder
63 - RTMPS protocol support
64 - RTMPTS protocol support
65 - JPEG 2000 encoding support through OpenJPEG
66 - G.723.1 demuxer and decoder
67 - RTMPE protocol support
68 - RTMPTE protocol support
69 - Canopus Lossless Codec decoder
70 - avconv -shortest option is now per-output file,
71 -pass and -passlogfile are now per-output stream
73 - Microsoft Screen 2 decoder
74 - RTP depacketization of JPEG
75 - Smooth Streaming live segmenter muxer
76 - RTP packetization of JPEG
77 - Opus decoder and encoder using libopus
78 - remove -same_quant, it hasn't worked for years
79 - support for building with MSVC
90 - Automatic thread count based on detection number of (available) CPU cores
91 - Deprecate libpostproc. If desired, the switch --enable-postproc will
92 enable it but it may be removed in a later Libav release.
93 - rv34: frame-level multi-threading
94 - optimized iMDCT transform on x86 using SSE for for mpegaudiodec
100 - Flash Screen Video 2 decoder
101 - ffplay/ffprobe/ffserver renamed to avplay/avprobe/avserver
102 - ffmpeg deprecated, added avconv, which is almost the same for now, except
103 for a few incompatible changes in the options, which will hopefully make them
104 easier to use. The changes are:
105 * The options placement is now strictly enforced! While in theory the
106 options for ffmpeg should be given in [input options] -i INPUT [output
107 options] OUTPUT order, in practice it was possible to give output options
108 before the -i and it mostly worked. Except when it didn't - the behavior was
109 a bit inconsistent. In avconv, it is not possible to mix input and output
110 options. All non-global options are reset after an input or output filename.
111 * All per-file options are now truly per-file - they apply only to the next
112 input or output file and specifying different values for different files
113 will now work properly (notably -ss and -t options).
114 * All per-stream options are now truly per-stream - it is possible to
115 specify which stream(s) should a given option apply to. See the Stream
116 specifiers section in the avconv manual for details.
117 * In ffmpeg some options (like -newvideo/-newaudio/...) are irregular in the
118 sense that they're specified after the output filename instead of before,
119 like all other options. In avconv this irregularity is removed, all options
120 apply to the next input or output file.
121 * -newvideo/-newaudio/-newsubtitle options were removed. Not only were they
122 irregular and highly confusing, they were also redundant. In avconv the -map
123 option will create new streams in the output file and map input streams to
124 them. E.g. avconv -i INPUT -map 0 OUTPUT will create an output stream for
125 each stream in the first input file.
126 * The -map option now has slightly different and more powerful syntax:
127 + Colons (':') are used to separate file index/stream type/stream index
128 instead of dots. Comma (',') is used to separate the sync stream instead
129 of colon.. This is done for consistency with other options.
130 + It's possible to specify stream type. E.g. -map 0:a:2 creates an
131 output stream from the third input audio stream.
132 + Omitting the stream index now maps all the streams of the given type,
133 not just the first. E.g. -map 0:s creates output streams for all the
134 subtitle streams in the first input file.
135 + Since -map can now match multiple streams, negative mappings were
136 introduced. Negative mappings disable some streams from an already
137 defined map. E.g. '-map 0 -map -0:a:1' means 'create output streams for
138 all the stream in the first input file, except for the second audio
140 * There is a new option -c (or -codec) for choosing the decoder/encoder to
141 use, which allows to precisely specify target stream(s) consistently with
142 other options. E.g. -c:v lib264 sets the codec for all video streams, -c:a:0
143 libvorbis sets the codec for the first audio stream and -c copy copies all
144 the streams without reencoding. Old -vcodec/-acodec/-scodec options are now
146 * It is now possible to precisely specify which stream should an AVOption
147 apply to. E.g. -b:v:0 2M sets the bitrate for the first video stream, while
148 -b:a 128k sets the bitrate for all audio streams. Note that the old -ab 128k
149 syntax is deprecated and will stop working soon.
150 * -map_chapters now takes only an input file index and applies to the next
151 output file. This is consistent with how all the other options work.
152 * -map_metadata now takes only an input metadata specifier and applies to
153 the next output file. Output metadata specifier is now part of the option
154 name, similarly to the AVOptions/map/codec feature above.
155 * -metadata can now be used to set metadata on streams and chapters, e.g.
156 -metadata:s:1 language=eng sets the language of the first stream to 'eng'.
157 This made -vlang/-alang/-slang options redundant, so they were removed.
158 * -qscale option now uses stream specifiers and applies to all streams, not
159 just video. I.e. plain -qscale number would now apply to all streams. To get
160 the old behavior, use -qscale:v. Also there is now a shortcut -q for -qscale
161 and -aq is now an alias for -q:a.
162 * -vbsf/-absf/-sbsf options were removed and replaced by a -bsf option which
163 uses stream specifiers. Use -bsf:v/a/s instead of the old options.
164 * -itsscale option now uses stream specifiers, so its argument is only the
166 * -intra option was removed, use -g 0 for the same effect.
167 * -psnr option was removed, use -flags +psnr for the same effect.
168 * -vf option is now an alias to the new -filter option, which uses stream specifiers.
169 * -vframes/-aframes/-dframes options are now aliases to the new -frames option.
170 * -vtag/-atag/-stag options are now aliases to the new -tag option.
172 - Windows Media Image decoder
176 - libcdio-paranoia input device for audio CD grabbing
178 - Apple ProRes decoder
179 - CELT in Ogg demuxing
180 - VC-1 interlaced decoding
181 - lut, lutrgb, and lutyuv filters
184 - Speex encoding via libspeex
185 - 4:2:2 H.264 decoding support
186 - 4:2:2 and 4:4:4 H.264 encoding with libx264
187 - Pulseaudio input device
188 - replacement Indeo 3 decoder
189 - TLS/SSL and HTTPS protocol support
190 - AVOptions API rewritten and documented
191 - most of CODEC_FLAG2_*, some CODEC_FLAG_* and many codec-specific fields in
192 AVCodecContext deprecated. Codec private options should be used instead.
193 - Properly working defaults in libx264 wrapper, support for native presets.
194 - Encrypted OMA files support
195 - Discworld II BMV decoding support
197 - OS X Video Decoder Acceleration (VDA) support
198 - CRI ADX audio format muxer and demuxer
199 - Playstation Portable PMP format demuxer
200 - PCM format support in OMA demuxer
202 - Dxtory capture format decoder
203 - v410 QuickTime uncompressed 4:4:4 10-bit encoder and decoder
205 - Simple segmenting muxer
212 - E-AC-3 audio encoder
213 - ac3enc: add channel coupling support
214 - floating-point sample format support for (E-)AC-3, DCA, AAC, Vorbis decoders
215 - H.264/MPEG frame-level multithreading
216 - av_metadata_* functions renamed to av_dict_* and moved to libavutil
217 - 4:4:4 H.264 decoding support
218 - 10-bit H.264 optimizations for x86
219 - bump libswscale for recently reported ABI break
224 - VP8 frame-level multithreading
225 - NEON optimizations for VP8
226 - removed a lot of deprecated API cruft
227 - FFT and IMDCT optimizations for AVX (Sandy Bridge) processors
229 - SMPTE 302M AES3 audio decoder
230 - ffmpeg no longer quits after the 'q' key is pressed; use 'ctrl+c' instead
231 - 9bit and 10bit per sample support in the H.264 decoder
236 - WebM support in Matroska de/muxer
237 - low overhead Ogg muxing
239 - VP8 de/encoding via libvpx
240 - Demuxer for On2's IVF format
241 - Pictor/PC Paint decoder
243 - libfaad2 wrapper removed
244 - DTS-ES extension (XCh) decoding support
246 - RTSP tunneling over HTTP
247 - RTP depacketization of SVQ3
248 - -strict inofficial replaced by -strict unofficial
249 - ffplay -exitonkeydown and -exitonmousedown options added
250 - native GSM / GSM MS decoder
251 - RTP depacketization of QDM2
252 - ANSI/ASCII art playback system
253 - Lego Mindstorms RSO de/muxer
254 - SubRip subtitle file muxer and demuxer
255 - Chinese AVS encoding via libxavs
256 - ffprobe -show_packets option added
257 - RTP packetization of Theora and Vorbis
258 - RTP depacketization of MP4A-LATM
259 - RTP packetization and depacketization of VP8
261 - Apple HTTP Live Streaming demuxer
264 - G.722 ADPCM audio encoder/decoder
267 - frei0r wrapper filter
268 - change crop filter syntax to width:height:x:y
269 - make the crop filter accept parametric expressions
270 - make ffprobe accept AVFormatContext options
273 - Demuxer for Leitch/Harris' VR native stream format (LXF)
274 - RTP depacketization of the X-QT QuickTime format
275 - SAP (Session Announcement Protocol, RFC 2974) muxer and demuxer
277 - ffmpeg -crop* options removed
278 - transpose filter added
279 - ffmpeg -force_key_frames option added
280 - demuxer for receiving raw rtp:// URLs without an SDP description
281 - single stream LATM/LOAS decoder
282 - setpts filter added
283 - Win64 support for optimized x86 assembly functions
284 - MJPEG/AVI1 to JPEG/JFIF bitstream filter
285 - ASS subtitle encoder and decoder
286 - IEC 61937 encapsulation for E-AC-3, TrueHD, DTS-HD (for HDMI passthrough)
287 - overlay filter added
288 - rename aspect filter to setdar, and pixelaspect to setsar
290 - Mobotix .mxg demuxer
291 - frei0r source added
292 - hqdn3d filter added
293 - RTP depacketization of QCELP
295 - gradfun filter added
297 - replace the ocv_smooth filter with a more generic ocv filter
298 - Windows Televison (WTV) demuxer
299 - FFmpeg metadata format muxer and demuxer
300 - SubRip (srt) subtitle decoder
301 - floating-point AC-3 encoder added
303 - ffmpeg -copytb option added
305 - Wing Commander IV movies decoder added
307 - Bink version 'b' audio and video decoder
308 - Bitmap Brothers JV playback system
309 - Apple HTTP Live Streaming protocol handler
310 - sndio support for playback and record
311 - Linux framebuffer input device added
312 - Chronomaster DFA decoder
313 - Mobotix MxPEG decoder
314 - AAC encoding via libvo-aacenc
315 - AMR-WB encoding via libvo-amrwbenc
317 - fieldorder video filter added
322 - PB-frame decoding for H.263
323 - deprecated vhook subsystem removed
324 - deprecated old scaler removed
326 - Alpha channel scaler
328 - RTP packetization of H.263
329 - RTP packetization of AMR
330 - RTP depacketization of Vorbis
331 - CorePNG decoding support
332 - Cook multichannel decoding support
333 - introduced avlanguage helpers in libavformat
334 - 8088flex TMV demuxer and decoder
335 - per-stream language-tags extraction in asfdec
336 - V210 decoder and encoder
337 - remaining GPL parts in AC-3 decoder converted to LGPL
339 - SoX native format muxer and demuxer
340 - AMR-NB decoding/encoding, AMR-WB decoding via OpenCORE libraries
342 - Electronic Arts Madcow decoder
343 - DivX (XSUB) subtitle encoder
344 - nonfree libamr support for AMR-NB/WB decoding/encoding removed
345 - experimental AAC encoder
346 - RTP depacketization of ASF and RTSP from WMS servers
347 - RTMP support in libavformat
348 - noX handling for OPT_BOOL X options
350 - IEC-61937 compatible Muxer
352 - Bluray (PGS) subtitle decoder
353 - LPCM support in MPEG-TS (HDMV RID as found on Blu-ray disks)
355 - Core Audio Format demuxer
357 - MD STUDIO audio demuxer
358 - RF64 support in WAV demuxer
359 - MPEG-4 Audio Lossless Coding (ALS) decoder
360 - -formats option split into -formats, -codecs, -bsfs, and -protocols
362 - CDG demuxer and decoder
364 - Auravision Aura 1 and 2 decoders
365 - Deluxe Paint Animation playback system
367 - Adobe Filmstrip muxer and demuxer
368 - RTP depacketization of H.263
369 - Bink demuxer and audio/video decoders
370 - enable symbol versioning by default for linkers that support it
371 - IFF PBM/ILBM bitmap decoder
374 - RTP depacketization of AMR
380 - Kega Game Video (KGV1) decoder
381 - VorbisComment writing for FLAC, Ogg FLAC and Ogg Speex files
382 - RTP depacketization of Theora
383 - HTTP Digest authentication
384 - RTMP/RTMPT/RTMPS/RTMPE/RTMPTE protocol support via librtmp
385 - Psygnosis YOP demuxer and video decoder
386 - spectral extension support in the E-AC-3 decoder
387 - unsharp video filter
388 - RTP hinting in the mov/3gp/mp4 muxer
389 - Dirac in Ogg demuxing
390 - seek to keyframes in Ogg
391 - 4:2:2 and 4:4:4 Theora decoding
392 - 35% faster VP3/Theora decoding
393 - faster AAC decoding
394 - faster H.264 decoding
395 - RealAudio 1.0 (14.4K) encoder
400 - DV50 AKA DVCPRO50 encoder, decoder, muxer and demuxer
401 - TechSmith Camtasia (TSCC) video decoder
402 - IBM Ultimotion (ULTI) video decoder
403 - Sierra Online audio file demuxer and decoder
404 - Apple QuickDraw (qdrw) video decoder
405 - Creative ADPCM audio decoder (16 bits as well as 8 bits schemes)
406 - Electronic Arts Multimedia (WVE/UV2/etc.) file demuxer
407 - Miro VideoXL (VIXL) video decoder
408 - H.261 video encoder
410 - Nullsoft Video (NSV) file demuxer
411 - Shorten audio decoder
413 - Apple Lossless Audio Codec (ALAC) decoder
414 - Winnov WNV1 video decoder
415 - Autodesk Animator Studio Codec (AASC) decoder
416 - Indeo 2 video decoder
417 - Fraps FPS1 video decoder
418 - Snow video encoder/decoder
419 - Sonic audio encoder/decoder
420 - Vorbis audio decoder
421 - Macromedia ADPCM decoder
422 - Duck TrueMotion 2 video decoder
423 - support for decoding FLX and DTA extensions in FLIC files
424 - H.264 custom quantization matrices support
425 - ffserver fixed, it should now be usable again
427 - Real Cooker audio decoder
428 - TrueSpeech audio decoder
429 - WMA2 audio decoder fixed, now all files should play correctly
430 - RealAudio 14.4 and 28.8 decoders fixed
432 - build system improvements
433 - tabs and trailing whitespace removed from the codebase
434 - CamStudio video decoder
435 - AIFF/AIFF-C audio format, encoding and decoding
436 - ADTS AAC file reading and writing
437 - Creative VOC file reading and writing
438 - American Laser Games multimedia (*.mm) playback system
439 - Zip Motion Blocks Video decoder
440 - improved Theora/VP3 decoder
441 - True Audio (TTA) decoder
442 - AVS demuxer and video decoder
444 - Smacker demuxer and decoder
445 - NuppelVideo/MythTV demuxer and RTjpeg decoder
447 - MPEG-2 intra VLC support
448 - MPEG-2 4:2:2 encoder
449 - Flash Screen Video decoder
451 - Chinese AVS decoder
454 - VC-1/WMV3/WMV9 video decoder
457 - VMware video decoder
460 - WavPack lossless audio decoder
461 - Targa (.TGA) picture decoder
462 - Vorbis audio encoder
463 - Delphine Software .cin demuxer/audio and video decoder
464 - Tiertex .seq demuxer/video decoder
466 - TIFF picture encoder and decoder
467 - GIF picture decoder
468 - Intel Music Coder decoder
469 - Zip Motion Blocks Video encoder
471 - Flash Screen Video encoder
472 - Theora encoding via libtheora
475 - GSM-MS encoder and decoder
477 - DXA demuxer and decoder
479 - Gamecube movie (.THP) playback system
480 - Blackfin optimizations
481 - Interplay C93 demuxer and video decoder
482 - Bethsoft VID demuxer and video decoder
485 - V.Flash PTX decoder
486 - RoQ muxer, RoQ audio encoder
487 - Renderware TXD demuxer and decoder
488 - extern C declarations for C++ removed from headers
489 - sws_flags command line option
493 - OS/2 support removed and restored again
496 - additional SPARC (VIS) optimizations
498 - slice-based parallel H.264 decoding
499 - Monkey's Audio demuxer and decoder
500 - AMV audio and video decoder
502 - H.264 PAFF decoding
503 - Nellymoser ASAO decoder
504 - Beam Software SIFF demuxer and decoder
505 - libvorbis Vorbis decoding removed in favor of native decoder
506 - IntraX8 (J-Frame) subdecoder for WMV2 and VC-1
507 - Ogg (Theora, Vorbis and FLAC) muxer
508 - The "device" muxers and demuxers are now in a new libavdevice library
509 - PC Paintbrush PCX decoder
510 - Sun Rasterfile decoder
511 - TechnoTrend PVA demuxer
512 - Linux Media Labs MPEG-4 (LMLM4) demuxer
513 - AVM2 (Flash 9) SWF muxer
514 - QT variant of IMA ADPCM encoder
516 - iPod/iPhone compatible mp4 muxer
518 - MSN TCP Webcam stream demuxer
519 - RL2 demuxer / decoder
522 - non-recursive Makefiles
524 - MAXIS EA XA (.xa) demuxer / decoder
528 - Electronic Arts CMV decoder
529 - Motion Pixels Video decoder
530 - Motion Pixels MVI demuxer
531 - removed animated GIF decoder/demuxer
532 - D-Cinema audio muxer
533 - Electronic Arts TGV decoder
534 - Apple Lossless Audio Codec (ALAC) encoder
536 - floating point PCM encoder/decoder
538 - DV100 AKA DVCPRO HD decoder and demuxer
539 - E-AC-3 support added to AC-3 decoder
540 - Nellymoser ASAO encoder
541 - ASS and SSA demuxer and muxer
542 - liba52 wrapper removed
543 - SVQ3 watermark decoding support
544 - Speex decoding via libspeex
545 - Electronic Arts TGQ decoder
547 - QCELP / PureVoice decoder
549 - hybrid WavPack support
550 - R3D REDCODE demuxer
551 - ALSA support for playback and record
552 - Electronic Arts TQI decoder
553 - OpenJPEG based JPEG 2000 decoder
554 - NC (NC4600) camera file demuxer
555 - Gopher client support
557 - generic metadata API
562 - DV encoder, DV muxer
563 - Microsoft RLE video decoder
564 - Microsoft Video-1 decoder
565 - Apple Animation (RLE) decoder
566 - Apple Graphics (SMC) decoder
567 - Apple Video (RPZA) decoder
569 - Sega FILM (CPK) file demuxer
570 - Westwood multimedia support (VQA & AUD files)
571 - Id Quake II CIN playback support
573 - FLIC playback support
574 - RealVideo 2.0 (RV20) decoder
575 - Duck TrueMotion v1 (DUCK) video decoder
576 - Sierra VMD demuxer and video decoder
577 - MSZH and ZLIB decoder support
581 - rate distortion optimal cbp support
582 - rate distorted optimal ac prediction for MPEG-4
583 - rate distorted optimal lambda->qp support
584 - AAC encoding with libfaac
585 - Sunplus JPEG codec (SP5X) support
586 - use Lagrange multipler instead of QP for ratecontrol
587 - Theora/VP3 decoding support
588 - XA and ADX ADPCM codecs
589 - export MPEG-2 active display area / pan scan
590 - Add support for configuring with IBM XLC
591 - floating point AAN DCT
592 - initial support for zygo video (not complete)
594 - new audio/video parser API
596 - av_read_frame() and av_seek_frame() support
597 - missing last frame fixes
598 - seek by mouse in ffplay
599 - noise reduction of DCT coefficients
600 - H.263 OBMC & 4MV support
601 - H.263 alternative inter vlc support
603 - H.263 slice structured mode
604 - interlaced DCT support for MPEG-2 encoding
605 - stuffing to stay above min_bitrate
606 - MB type & QP visualization
607 - frame stepping for ffplay
608 - interlaced motion estimation
609 - alternate scantable support
610 - SVCD scan offset support
613 - quantizer noise shaping
614 - G.726 ADPCM audio codec
616 - multithreaded/SMP motion estimation
617 - multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263
618 - multithreaded/SMP decoding for MPEG-2
620 - Metrowerks CodeWarrior suppport
621 - H.263+ custom pcf support
622 - nicer output for 'ffmpeg -formats'
624 - SGI image format, encoding and decoding
625 - H.264 loop filter support
626 - H.264 CABAC support
627 - nicer looking arrows for the motion vector visualization
628 - improved VCD support
629 - audio timestamp drift compensation
630 - MPEG-2 YUV 422/444 support
631 - polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample
632 - better image scaling
634 - correctly interleave packets during encoding
635 - VIS optimized motion compensation
636 - intra_dc_precision>0 encoding support
637 - support reuse of motion vectors/MB types/field select values of the source video
638 - more accurate deblock filter
640 - many optimizations and bugfixes
641 - FunCom ISS audio file demuxer and according ADPCM decoding
646 - MPEG-2 video encoding (Michael)
647 - Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)
648 - Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson
650 - Xan DPCM audio decoder (Mario Brito)
651 - Interplay MVE playback subsystem (Mike Melanson)
652 - Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)
657 - RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from mplayerhq
658 (originally from public domain player for Amiga at http://www.honeypot.net/audio)
659 - current version now also compiles with older GCC (Fabrice)
660 - 4X multimedia playback system including 4xm file demuxer (Mike
661 Melanson), and 4X video and audio codecs (Michael)
662 - Creative YUV (CYUV) decoder (Mike Melanson)
663 - FFV1 codec (our very simple lossless intra only codec, compresses much better
664 than HuffYUV) (Michael)
665 - ASV1 (Asus), H.264, Intel indeo3 codecs have been added (various)
666 - tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with
667 alpha support), JPEG YUV colorspace support. (Fabrice Bellard)
668 - ffplay has been replaced with a newer version which uses SDL (optionally)
669 for multiplatform support (Fabrice)
670 - Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated
672 - AMR format has been added (Johannes Carlsson)
673 - 3GP support has been added (Johannes Carlsson)
674 - VP3 codec has been added (Mike Melanson)
675 - more MPEG-1/2 fixes
676 - better multiplatform support, MS Visual Studio fixes (various)
677 - AltiVec optimizations (Magnus Damn and others)
678 - SH4 processor support has been added (BERO)
679 - new public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)
680 - VOB streaming support (Brian Foley)
681 - better MP3 autodetection (Andriy Rysin)
682 - qpel encoding (Michael)
683 - 4mv+b frames encoding finally fixed (Michael)
684 - chroma ME (Michael)
685 - 5 comparison functions for ME (Michael)
686 - B-frame encoding speedup (Michael)
687 - WMV2 codec (unfinished - Michael)
688 - user specified diamond size for EPZS (Michael)
689 - Playstation STR playback subsystem, still experimental (Mike and Michael)
690 - ASV2 codec (Michael)
691 - CLJR decoder (Alex)
693 .. And lots more new enhancements and fixes.
698 - completely new integer only MPEG audio layer 1/2/3 decoder rewritten
700 - Recoded DCT and motion vector search with gcc (no longer depends on nasm)
701 - fix quantization bug in AC3 encoder
702 - added PCM codecs and format. Corrected WAV/AVI/ASF PCM issues
703 - added prototype ffplay program
704 - added GOB header parsing on H.263/H.263+ decoder (Juanjo)
705 - bug fix on MCBPC tables of H.263 (Juanjo)
706 - bug fix on DC coefficients of H.263 (Juanjo)
707 - added Advanced Prediction Mode on H.263/H.263+ decoder (Juanjo)
708 - now we can decode H.263 streams found in QuickTime files (Juanjo)
709 - now we can decode H.263 streams found in VIVO v1 files(Juanjo)
710 - preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)
711 - added GOB header for H.263/H.263+ coding on RTP mode (Juanjo)
712 - now H.263 picture size is returned on the first decoded frame (Juanjo)
713 - added first regression tests
714 - added MPEG-2 TS demuxer
715 - new demux API for libav
716 - more accurate and faster IDCT (Michael)
717 - faster and entropy-controlled motion search (Michael)
718 - two pass video encoding (Michael)
719 - new video rate control (Michael)
720 - added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)
721 - great performance improvement of video encoders and decoders (Michael)
722 - new and faster bit readers and vlc parsers (Michael)
723 - high quality encoding mode: tries all macroblock/VLC types (Michael)
724 - added DV video decoder
725 - preliminary RTP/RTSP support in ffserver and libavformat
726 - H.263+ AIC decoding/encoding support (Juanjo)
727 - VCD MPEG-PS mode (Juanjo)
728 - PSNR stuff (Juanjo)
729 - simple stats output (Juanjo)
730 - 16-bit and 15-bit RGB/BGR/GBR support (Bisqwit)
735 - some header fixes (Zdenek Kabelac <kabi at informatics.muni.cz>)
736 - many MMX optimizations (Nick Kurshev <nickols_k at mail.ru>)
737 - added configure system (actually a small shell script)
738 - added MPEG audio layer 1/2/3 decoding using LGPL'ed mpglib by
739 Michael Hipp (temporary solution - waiting for integer only
741 - fixed VIDIOCSYNC interrupt
742 - added Intel H.263 decoding support ('I263' AVI fourCC)
743 - added Real Video 1.0 decoding (needs further testing)
744 - simplified image formats again. Added PGM format (=grey
745 pgm). Renamed old PGM to PGMYUV.
746 - fixed msmpeg4 slice issues (tell me if you still find problems)
747 - fixed OpenDivX bugs with newer versions (added VOL header decoding)
748 - added support for MPlayer interface
749 - added macroblock skip optimization
750 - added MJPEG decoder
751 - added mmx/mmxext IDCT from libmpeg2
752 - added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer
753 <celer at shell.scrypt.net>)
754 - added pixel format conversion layer (e.g. for MJPEG or PPM)
755 - added deinterlacing option
757 - MPEG-4 vol header fixes (Jonathan Marsden <snmjbm at pacbell.net>)
758 - ARM optimizations (Lionel Ulmer <lionel.ulmer at free.fr>).
759 - Windows porting of file converter
760 - added MJPEG raw format (input/ouput)
761 - added JPEG image format support (input/output)
766 - fixed some std header definitions (Bjorn Lindgren
767 <bjorn.e.lindgren at telia.com>).
768 - added MPEG demuxer (MPEG-1 and 2 compatible).
770 - added prototype RM demuxer
771 - added AC3 decoding (done with libac3 by Aaron Holtzman)
772 - added decoding codec parameter guessing (.e.g. for MPEG, because the
773 header does not include them)
774 - fixed header generation in MPEG-1, AVI and ASF muxer: wmplayer can now
775 play them (only tested video)
776 - fixed H.263 white bug
777 - fixed phase rounding in img resample filter
778 - add MMX code for polyphase img resample filter
779 - added CPU autodetection
780 - added generic title/author/copyright/comment string handling (ASF and RM
782 - added SWF demux to extract MP3 track (not usable yet because no MP3
784 - added fractional frame rate support
785 - codecs are no longer searched by read_header() (should fix ffserver
791 - BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq at amsat.org>)
792 - fixed raw yuv output
793 - added motion rounding support in MPEG-4
794 - fixed motion bug rounding in MSMPEG4
795 - added B-frame handling in video core
796 - added full MPEG-1 decoding support
797 - added partial (frame only) MPEG-2 support
798 - changed the FOURCC code for H.263 to "U263" to be able to see the
799 +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with
800 this +codec ;) (JuanJo).
801 - Halfpel motion estimation after MB type selection (JuanJo)
802 - added pgm and .Y.U.V output format
803 - suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or
805 - added pgmpipe I/O format (original patch from Martin Aumueller
806 <lists at reserv.at>, but changed completely since we use a format
807 instead of a protocol)
812 - added H.263/MPEG-4/MSMPEG4 decoding support. MPEG-4 decoding support
813 (for OpenDivX) is almost complete: 8x8 MVs and rounding are
814 missing. MSMPEG4 support is complete.
815 - added prototype MPEG-1 decoder. Only I- and P-frames handled yet (it
816 can decode ffmpeg MPEGs :-)).
817 - added libavcodec API documentation (see apiexample.c).
818 - fixed image polyphase bug (the bottom of some images could be
820 - added support for non clipped motion vectors (decoding only)
821 and image sizes non-multiple of 16
822 - added support for AC prediction (decoding only)
823 - added file overwrite confirmation (can be disabled with -y)
824 - added custom size picture to H.263 using H.263+ (Juanjo)
829 - added MSMPEG4 (aka DivX) compatible encoder. Changed default codec
830 of AVI and ASF to DIV3.
831 - added -me option to set motion estimation method
832 (default=log). suppressed redundant -hq option.
833 - added options -acodec and -vcodec to force a given codec (useful for
836 - improved dct_quantize speed
837 - factorized some motion estimation code
842 - removing grab code from ffserver and moved it to ffmpeg. Added
843 multistream support to ffmpeg.
844 - added timeshifting support for live feeds (option ?date=xxx in the
846 - added high quality image resize code with polyphase filter (need
847 mmx/see optimization). Enable multiple image size support in ffserver.
848 - added multi live feed support in ffserver
849 - suppressed master feature from ffserver (it should be done with an
850 external program which opens the .ffm url and writes it to another
852 - added preliminary support for video stream parsing (WAV and AVI half
853 done). Added proper support for audio/video file conversion in
855 - added preliminary support for video file sending from ffserver
856 - redesigning I/O subsystem: now using URL based input and output
858 - added WAV format support
859 - added "tty user interface" to ffmpeg to stop grabbing gracefully
860 - added MMX/SSE optimizations to SAD (Sums of Absolutes Differences)
861 (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo at atmlab.utfsm.cl>)
862 - added MMX DCT from mpeg2_movie 1.5 (Juanjo)
863 - added new motion estimation algorithms, log and phods (Juanjo)
864 - changed directories: libav for format handling, libavcodec for
870 - added stereo in MPEG audio encoder
875 - added 'high quality' mode which use motion vectors. It can be used in
876 real time at low resolution.
877 - fixed rounding problems which caused quality problems at high
878 bitrates and large GOP size
881 version 0.3.2: small fixes
887 version 0.3.1: added avi/divx support
890 - added MPEG-4 codec compatible with OpenDivX. It is based on the H.263 codec
891 - added sound for flash format (not tested)
894 version 0.3: initial public release