1 Entries are sorted chronologically from oldest to youngest within each release,
2 releases are sorted from youngest to oldest.
7 - replaygain data export
8 - Alias PIX image encoder and decoder
9 - BRender PIX image decoder
10 - Amazing Studio PAF playback support
12 - bmp standalone parser
13 - OpenEXR image decoder
14 - support encoding and decoding 4-channel SGI images
15 - support decoding 16-bit RLE SGI images
17 - LucasArts SMUSH SANM video decoder
18 - LucasArts SMUSH VIMA audio decoder (ADPCM)
19 - LucasArts SMUSH demuxer
20 - MP2 encoding via TwoLAME
22 - Silicon Graphics RLE 8-bit video decoder
23 - Silicon Graphics Motion Video Compressor 1 & 2 decoder
24 - Silicon Graphics Movie demuxer
25 - On2 AVC (Audio for Video) decoder
26 - support for decoding through DXVA2 in avconv
27 - libbs2b-based stereo-to-binaural audio filter
29 - display matrix export and rotation api
30 - drop avserver, it was unmaintained for years and largely broken
32 - request icecast metadata by default
37 - support ID3v2 tags in ASF files
38 - reference-counting for AVFrame and AVPacket data
39 - avconv now fails when input options are used for output file
41 - avconv options -filter_script and -filter_complex_script, which allow a
42 filtergraph description to be read from a file
43 - uniform options syntax across all filters
46 - asetpts filter (same as setpts, but for audio)
47 - trim and atrim filters
48 - avconv -t and -ss (output-only) options are now sample-accurate when
50 - Matroska muxer can now put the index at the beginning of the file.
51 - avconv -deinterlace option removed, the yadif filter should be used instead
52 - Apple Intermediate Codec decoder
53 - Escape 130 video decoder
54 - support for slice multithreading in libavfilter
55 - VC-1 interlaced B-frame support
56 - support for WavPack muxing (raw and in Matroska)
58 - WavPack encoding through libwavpack
59 - Added the -n parameter to avconv
61 - when transcoding with avconv (i.e. not streamcopying), -ss is now accurate
62 even when used as an input option. Previous behavior can be restored with
63 the -noaccurate_seek option.
64 - avconv -t option can now be used for inputs, to limit the duration of
65 data read from an input file
66 - Voxware MetaSound decoder
68 - Error Resilient AAC syntax (ER AAC LC) decoding
69 - Low Delay AAC (ER AAC LD) decoding
70 - mux chapters in ASF files
71 - Opus in Ogg demuxing
72 - Enhanced Low Delay AAC (ER AAC ELD) decoding (no LD SBR support)
74 - HNM version 4 demuxer and video decoder
76 - raw HEVC, HEVC in MOV/MP4, HEVC in Matroska, HEVC in MPEG-TS demuxing
77 - remove avplay -vismv option, which has not worked for a long time
79 - setsar/setdar filters now support variables in ratio expressions
80 - dar variable in the scale filter now returns the actual DAR (i.e. a * sar)
82 - support for decoding through VDPAU in avconv (the -hwaccel option)
83 - remove mp3_header_(de)compress bitstream filters
84 - stereoscopic 3d metadata handling
85 - png standalone parser
86 - WebP encoding via libwebp
89 - Mirillis FIC video decoder
91 - compand audio filter
95 - av_basename and av_dirname
96 - adobe and limelight publisher authentication in RTMP
97 - VDPAU hardware acceleration through normal hwaccel
102 - ashowinfo audio filter
103 - 24-bit FLAC encoding
104 - audio volume filter
105 - deprecated the avconv -vol option. the volume filter is to be used instead.
106 - multi-channel ALAC encoding up to 7.1
107 - TAK demuxer, parser, and decoder
108 - adaptive frame-level multithreading for H.264
112 - metadata (INFO tag) support in WAV muxer
113 - support for building DLLs using MSVC
114 - remove avserver daemon mode
115 - support building on the Plan 9 operating system
116 - ffv1: support version 1.3
121 - XWD encoder and decoder
122 - Support for fragmentation in the mov/mp4 muxer
123 - ISMV (Smooth Streaming) muxer
124 - CDXL demuxer and decoder
125 - Apple ProRes encoder
126 - Sun Rasterfile Encoder
128 - ID3v2 attached pictures reading and writing
129 - WMA Lossless decoder
131 - RealAudio Lossless decoder
133 - drop support for avconv without libavfilter
134 - add libavresample audio conversion library
135 - audio filters support in libavfilter and avconv
139 - avprobe output is now standard INI or JSON. The old format can still
140 be used with -of old.
141 - Indeo Audio decoder
142 - channelsplit audio filter
143 - RTMPT protocol support
144 - iLBC encoding/decoding via libilbc
145 - Microsoft Screen 1 decoder
147 - audio channel mapping filter
148 - Microsoft ATC Screen decoder
150 - TechSmith Screen Codec 2 decoder
151 - AAC encoding via libfdk-aac
152 - Microsoft Expression Encoder Screen decoder
153 - RTMPS protocol support
154 - RTMPTS protocol support
155 - JPEG 2000 encoding support through OpenJPEG
156 - G.723.1 demuxer and decoder
157 - RTMPE protocol support
158 - RTMPTE protocol support
159 - Canopus Lossless Codec decoder
160 - avconv -shortest option is now per-output file,
161 -pass and -passlogfile are now per-output stream
163 - Microsoft Screen 2 decoder
164 - RTP depacketization of JPEG
165 - Smooth Streaming live segmenter muxer
166 - RTP packetization of JPEG
167 - Opus decoder and encoder using libopus
168 - remove -same_quant, it hasn't worked for years
169 - support for building with MSVC
180 - Automatic thread count based on detection number of (available) CPU cores
181 - Deprecate libpostproc. If desired, the switch --enable-postproc will
182 enable it but it may be removed in a later Libav release.
183 - rv34: frame-level multi-threading
184 - optimized iMDCT transform on x86 using SSE for for mpegaudiodec
190 - Flash Screen Video 2 decoder
191 - ffplay/ffprobe/ffserver renamed to avplay/avprobe/avserver
192 - ffmpeg deprecated, added avconv, which is almost the same for now, except
193 for a few incompatible changes in the options, which will hopefully make them
194 easier to use. The changes are:
195 * The options placement is now strictly enforced! While in theory the
196 options for ffmpeg should be given in [input options] -i INPUT [output
197 options] OUTPUT order, in practice it was possible to give output options
198 before the -i and it mostly worked. Except when it didn't - the behavior was
199 a bit inconsistent. In avconv, it is not possible to mix input and output
200 options. All non-global options are reset after an input or output filename.
201 * All per-file options are now truly per-file - they apply only to the next
202 input or output file and specifying different values for different files
203 will now work properly (notably -ss and -t options).
204 * All per-stream options are now truly per-stream - it is possible to
205 specify which stream(s) should a given option apply to. See the Stream
206 specifiers section in the avconv manual for details.
207 * In ffmpeg some options (like -newvideo/-newaudio/...) are irregular in the
208 sense that they're specified after the output filename instead of before,
209 like all other options. In avconv this irregularity is removed, all options
210 apply to the next input or output file.
211 * -newvideo/-newaudio/-newsubtitle options were removed. Not only were they
212 irregular and highly confusing, they were also redundant. In avconv the -map
213 option will create new streams in the output file and map input streams to
214 them. E.g. avconv -i INPUT -map 0 OUTPUT will create an output stream for
215 each stream in the first input file.
216 * The -map option now has slightly different and more powerful syntax:
217 + Colons (':') are used to separate file index/stream type/stream index
218 instead of dots. Comma (',') is used to separate the sync stream instead
219 of colon.. This is done for consistency with other options.
220 + It's possible to specify stream type. E.g. -map 0:a:2 creates an
221 output stream from the third input audio stream.
222 + Omitting the stream index now maps all the streams of the given type,
223 not just the first. E.g. -map 0:s creates output streams for all the
224 subtitle streams in the first input file.
225 + Since -map can now match multiple streams, negative mappings were
226 introduced. Negative mappings disable some streams from an already
227 defined map. E.g. '-map 0 -map -0:a:1' means 'create output streams for
228 all the stream in the first input file, except for the second audio
230 * There is a new option -c (or -codec) for choosing the decoder/encoder to
231 use, which allows to precisely specify target stream(s) consistently with
232 other options. E.g. -c:v lib264 sets the codec for all video streams, -c:a:0
233 libvorbis sets the codec for the first audio stream and -c copy copies all
234 the streams without reencoding. Old -vcodec/-acodec/-scodec options are now
236 * It is now possible to precisely specify which stream should an AVOption
237 apply to. E.g. -b:v:0 2M sets the bitrate for the first video stream, while
238 -b:a 128k sets the bitrate for all audio streams. Note that the old -ab 128k
239 syntax is deprecated and will stop working soon.
240 * -map_chapters now takes only an input file index and applies to the next
241 output file. This is consistent with how all the other options work.
242 * -map_metadata now takes only an input metadata specifier and applies to
243 the next output file. Output metadata specifier is now part of the option
244 name, similarly to the AVOptions/map/codec feature above.
245 * -metadata can now be used to set metadata on streams and chapters, e.g.
246 -metadata:s:1 language=eng sets the language of the first stream to 'eng'.
247 This made -vlang/-alang/-slang options redundant, so they were removed.
248 * -qscale option now uses stream specifiers and applies to all streams, not
249 just video. I.e. plain -qscale number would now apply to all streams. To get
250 the old behavior, use -qscale:v. Also there is now a shortcut -q for -qscale
251 and -aq is now an alias for -q:a.
252 * -vbsf/-absf/-sbsf options were removed and replaced by a -bsf option which
253 uses stream specifiers. Use -bsf:v/a/s instead of the old options.
254 * -itsscale option now uses stream specifiers, so its argument is only the
256 * -intra option was removed, use -g 0 for the same effect.
257 * -psnr option was removed, use -flags +psnr for the same effect.
258 * -vf option is now an alias to the new -filter option, which uses stream specifiers.
259 * -vframes/-aframes/-dframes options are now aliases to the new -frames option.
260 * -vtag/-atag/-stag options are now aliases to the new -tag option.
262 - Windows Media Image decoder
266 - libcdio-paranoia input device for audio CD grabbing
268 - Apple ProRes decoder
269 - CELT in Ogg demuxing
270 - VC-1 interlaced decoding
271 - lut, lutrgb, and lutyuv filters
274 - Speex encoding via libspeex
275 - 4:2:2 H.264 decoding support
276 - 4:2:2 and 4:4:4 H.264 encoding with libx264
277 - Pulseaudio input device
278 - replacement Indeo 3 decoder
279 - TLS/SSL and HTTPS protocol support
280 - AVOptions API rewritten and documented
281 - most of CODEC_FLAG2_*, some CODEC_FLAG_* and many codec-specific fields in
282 AVCodecContext deprecated. Codec private options should be used instead.
283 - Properly working defaults in libx264 wrapper, support for native presets.
284 - Encrypted OMA files support
285 - Discworld II BMV decoding support
287 - OS X Video Decoder Acceleration (VDA) support
288 - CRI ADX audio format muxer and demuxer
289 - Playstation Portable PMP format demuxer
290 - PCM format support in OMA demuxer
292 - Dxtory capture format decoder
293 - v410 QuickTime uncompressed 4:4:4 10-bit encoder and decoder
295 - Simple segmenting muxer
302 - E-AC-3 audio encoder
303 - ac3enc: add channel coupling support
304 - floating-point sample format support for (E-)AC-3, DCA, AAC, Vorbis decoders
305 - H.264/MPEG frame-level multithreading
306 - av_metadata_* functions renamed to av_dict_* and moved to libavutil
307 - 4:4:4 H.264 decoding support
308 - 10-bit H.264 optimizations for x86
309 - bump libswscale for recently reported ABI break
314 - VP8 frame-level multithreading
315 - NEON optimizations for VP8
316 - removed a lot of deprecated API cruft
317 - FFT and IMDCT optimizations for AVX (Sandy Bridge) processors
319 - SMPTE 302M AES3 audio decoder
320 - ffmpeg no longer quits after the 'q' key is pressed; use 'ctrl+c' instead
321 - 9bit and 10bit per sample support in the H.264 decoder
326 - WebM support in Matroska de/muxer
327 - low overhead Ogg muxing
329 - VP8 de/encoding via libvpx
330 - Demuxer for On2's IVF format
331 - Pictor/PC Paint decoder
333 - libfaad2 wrapper removed
334 - DTS-ES extension (XCh) decoding support
336 - RTSP tunneling over HTTP
337 - RTP depacketization of SVQ3
338 - -strict inofficial replaced by -strict unofficial
339 - ffplay -exitonkeydown and -exitonmousedown options added
340 - native GSM / GSM MS decoder
341 - RTP depacketization of QDM2
342 - ANSI/ASCII art playback system
343 - Lego Mindstorms RSO de/muxer
344 - SubRip subtitle file muxer and demuxer
345 - Chinese AVS encoding via libxavs
346 - ffprobe -show_packets option added
347 - RTP packetization of Theora and Vorbis
348 - RTP depacketization of MP4A-LATM
349 - RTP packetization and depacketization of VP8
351 - Apple HTTP Live Streaming demuxer
354 - G.722 ADPCM audio encoder/decoder
357 - frei0r wrapper filter
358 - change crop filter syntax to width:height:x:y
359 - make the crop filter accept parametric expressions
360 - make ffprobe accept AVFormatContext options
363 - Demuxer for Leitch/Harris' VR native stream format (LXF)
364 - RTP depacketization of the X-QT QuickTime format
365 - SAP (Session Announcement Protocol, RFC 2974) muxer and demuxer
367 - ffmpeg -crop* options removed
368 - transpose filter added
369 - ffmpeg -force_key_frames option added
370 - demuxer for receiving raw rtp:// URLs without an SDP description
371 - single stream LATM/LOAS decoder
372 - setpts filter added
373 - Win64 support for optimized x86 assembly functions
374 - MJPEG/AVI1 to JPEG/JFIF bitstream filter
375 - ASS subtitle encoder and decoder
376 - IEC 61937 encapsulation for E-AC-3, TrueHD, DTS-HD (for HDMI passthrough)
377 - overlay filter added
378 - rename aspect filter to setdar, and pixelaspect to setsar
380 - Mobotix .mxg demuxer
381 - frei0r source added
382 - hqdn3d filter added
383 - RTP depacketization of QCELP
385 - gradfun filter added
387 - replace the ocv_smooth filter with a more generic ocv filter
388 - Windows Televison (WTV) demuxer
389 - FFmpeg metadata format muxer and demuxer
390 - SubRip (srt) subtitle decoder
391 - floating-point AC-3 encoder added
393 - ffmpeg -copytb option added
395 - Wing Commander IV movies decoder added
397 - Bink version 'b' audio and video decoder
398 - Bitmap Brothers JV playback system
399 - Apple HTTP Live Streaming protocol handler
400 - sndio support for playback and record
401 - Linux framebuffer input device added
402 - Chronomaster DFA decoder
403 - Mobotix MxPEG decoder
404 - AAC encoding via libvo-aacenc
405 - AMR-WB encoding via libvo-amrwbenc
407 - fieldorder video filter added
412 - PB-frame decoding for H.263
413 - deprecated vhook subsystem removed
414 - deprecated old scaler removed
416 - Alpha channel scaler
418 - RTP packetization of H.263
419 - RTP packetization of AMR
420 - RTP depacketization of Vorbis
421 - CorePNG decoding support
422 - Cook multichannel decoding support
423 - introduced avlanguage helpers in libavformat
424 - 8088flex TMV demuxer and decoder
425 - per-stream language-tags extraction in asfdec
426 - V210 decoder and encoder
427 - remaining GPL parts in AC-3 decoder converted to LGPL
429 - SoX native format muxer and demuxer
430 - AMR-NB decoding/encoding, AMR-WB decoding via OpenCORE libraries
432 - Electronic Arts Madcow decoder
433 - DivX (XSUB) subtitle encoder
434 - nonfree libamr support for AMR-NB/WB decoding/encoding removed
435 - experimental AAC encoder
436 - RTP depacketization of ASF and RTSP from WMS servers
437 - RTMP support in libavformat
438 - noX handling for OPT_BOOL X options
440 - IEC-61937 compatible Muxer
442 - Bluray (PGS) subtitle decoder
443 - LPCM support in MPEG-TS (HDMV RID as found on Blu-ray disks)
445 - Core Audio Format demuxer
447 - MD STUDIO audio demuxer
448 - RF64 support in WAV demuxer
449 - MPEG-4 Audio Lossless Coding (ALS) decoder
450 - -formats option split into -formats, -codecs, -bsfs, and -protocols
452 - CDG demuxer and decoder
454 - Auravision Aura 1 and 2 decoders
455 - Deluxe Paint Animation playback system
457 - Adobe Filmstrip muxer and demuxer
458 - RTP depacketization of H.263
459 - Bink demuxer and audio/video decoders
460 - enable symbol versioning by default for linkers that support it
461 - IFF PBM/ILBM bitmap decoder
464 - RTP depacketization of AMR
470 - Kega Game Video (KGV1) decoder
471 - VorbisComment writing for FLAC, Ogg FLAC and Ogg Speex files
472 - RTP depacketization of Theora
473 - HTTP Digest authentication
474 - RTMP/RTMPT/RTMPS/RTMPE/RTMPTE protocol support via librtmp
475 - Psygnosis YOP demuxer and video decoder
476 - spectral extension support in the E-AC-3 decoder
477 - unsharp video filter
478 - RTP hinting in the mov/3gp/mp4 muxer
479 - Dirac in Ogg demuxing
480 - seek to keyframes in Ogg
481 - 4:2:2 and 4:4:4 Theora decoding
482 - 35% faster VP3/Theora decoding
483 - faster AAC decoding
484 - faster H.264 decoding
485 - RealAudio 1.0 (14.4K) encoder
490 - DV50 AKA DVCPRO50 encoder, decoder, muxer and demuxer
491 - TechSmith Camtasia (TSCC) video decoder
492 - IBM Ultimotion (ULTI) video decoder
493 - Sierra Online audio file demuxer and decoder
494 - Apple QuickDraw (qdrw) video decoder
495 - Creative ADPCM audio decoder (16 bits as well as 8 bits schemes)
496 - Electronic Arts Multimedia (WVE/UV2/etc.) file demuxer
497 - Miro VideoXL (VIXL) video decoder
498 - H.261 video encoder
500 - Nullsoft Video (NSV) file demuxer
501 - Shorten audio decoder
503 - Apple Lossless Audio Codec (ALAC) decoder
504 - Winnov WNV1 video decoder
505 - Autodesk Animator Studio Codec (AASC) decoder
506 - Indeo 2 video decoder
507 - Fraps FPS1 video decoder
508 - Snow video encoder/decoder
509 - Sonic audio encoder/decoder
510 - Vorbis audio decoder
511 - Macromedia ADPCM decoder
512 - Duck TrueMotion 2 video decoder
513 - support for decoding FLX and DTA extensions in FLIC files
514 - H.264 custom quantization matrices support
515 - ffserver fixed, it should now be usable again
517 - Real Cooker audio decoder
518 - TrueSpeech audio decoder
519 - WMA2 audio decoder fixed, now all files should play correctly
520 - RealAudio 14.4 and 28.8 decoders fixed
522 - build system improvements
523 - tabs and trailing whitespace removed from the codebase
524 - CamStudio video decoder
525 - AIFF/AIFF-C audio format, encoding and decoding
526 - ADTS AAC file reading and writing
527 - Creative VOC file reading and writing
528 - American Laser Games multimedia (*.mm) playback system
529 - Zip Motion Blocks Video decoder
530 - improved Theora/VP3 decoder
531 - True Audio (TTA) decoder
532 - AVS demuxer and video decoder
534 - Smacker demuxer and decoder
535 - NuppelVideo/MythTV demuxer and RTjpeg decoder
537 - MPEG-2 intra VLC support
538 - MPEG-2 4:2:2 encoder
539 - Flash Screen Video decoder
541 - Chinese AVS decoder
544 - VC-1/WMV3/WMV9 video decoder
547 - VMware video decoder
550 - WavPack lossless audio decoder
551 - Targa (.TGA) picture decoder
552 - Vorbis audio encoder
553 - Delphine Software .cin demuxer/audio and video decoder
554 - Tiertex .seq demuxer/video decoder
556 - TIFF picture encoder and decoder
557 - GIF picture decoder
558 - Intel Music Coder decoder
559 - Zip Motion Blocks Video encoder
561 - Flash Screen Video encoder
562 - Theora encoding via libtheora
565 - GSM-MS encoder and decoder
567 - DXA demuxer and decoder
569 - Gamecube movie (.THP) playback system
570 - Blackfin optimizations
571 - Interplay C93 demuxer and video decoder
572 - Bethsoft VID demuxer and video decoder
575 - V.Flash PTX decoder
576 - RoQ muxer, RoQ audio encoder
577 - Renderware TXD demuxer and decoder
578 - extern C declarations for C++ removed from headers
579 - sws_flags command line option
583 - OS/2 support removed and restored again
586 - additional SPARC (VIS) optimizations
588 - slice-based parallel H.264 decoding
589 - Monkey's Audio demuxer and decoder
590 - AMV audio and video decoder
592 - H.264 PAFF decoding
593 - Nellymoser ASAO decoder
594 - Beam Software SIFF demuxer and decoder
595 - libvorbis Vorbis decoding removed in favor of native decoder
596 - IntraX8 (J-Frame) subdecoder for WMV2 and VC-1
597 - Ogg (Theora, Vorbis and FLAC) muxer
598 - The "device" muxers and demuxers are now in a new libavdevice library
599 - PC Paintbrush PCX decoder
600 - Sun Rasterfile decoder
601 - TechnoTrend PVA demuxer
602 - Linux Media Labs MPEG-4 (LMLM4) demuxer
603 - AVM2 (Flash 9) SWF muxer
604 - QT variant of IMA ADPCM encoder
606 - iPod/iPhone compatible mp4 muxer
608 - MSN TCP Webcam stream demuxer
609 - RL2 demuxer / decoder
612 - non-recursive Makefiles
614 - MAXIS EA XA (.xa) demuxer / decoder
618 - Electronic Arts CMV decoder
619 - Motion Pixels Video decoder
620 - Motion Pixels MVI demuxer
621 - removed animated GIF decoder/demuxer
622 - D-Cinema audio muxer
623 - Electronic Arts TGV decoder
624 - Apple Lossless Audio Codec (ALAC) encoder
626 - floating point PCM encoder/decoder
628 - DV100 AKA DVCPRO HD decoder and demuxer
629 - E-AC-3 support added to AC-3 decoder
630 - Nellymoser ASAO encoder
631 - ASS and SSA demuxer and muxer
632 - liba52 wrapper removed
633 - SVQ3 watermark decoding support
634 - Speex decoding via libspeex
635 - Electronic Arts TGQ decoder
637 - QCELP / PureVoice decoder
639 - hybrid WavPack support
640 - R3D REDCODE demuxer
641 - ALSA support for playback and record
642 - Electronic Arts TQI decoder
643 - OpenJPEG based JPEG 2000 decoder
644 - NC (NC4600) camera file demuxer
645 - Gopher client support
647 - generic metadata API
652 - DV encoder, DV muxer
653 - Microsoft RLE video decoder
654 - Microsoft Video-1 decoder
655 - Apple Animation (RLE) decoder
656 - Apple Graphics (SMC) decoder
657 - Apple Video (RPZA) decoder
659 - Sega FILM (CPK) file demuxer
660 - Westwood multimedia support (VQA & AUD files)
661 - Id Quake II CIN playback support
663 - FLIC playback support
664 - RealVideo 2.0 (RV20) decoder
665 - Duck TrueMotion v1 (DUCK) video decoder
666 - Sierra VMD demuxer and video decoder
667 - MSZH and ZLIB decoder support
671 - rate distortion optimal cbp support
672 - rate distorted optimal ac prediction for MPEG-4
673 - rate distorted optimal lambda->qp support
674 - AAC encoding with libfaac
675 - Sunplus JPEG codec (SP5X) support
676 - use Lagrange multipler instead of QP for ratecontrol
677 - Theora/VP3 decoding support
678 - XA and ADX ADPCM codecs
679 - export MPEG-2 active display area / pan scan
680 - Add support for configuring with IBM XLC
681 - floating point AAN DCT
682 - initial support for zygo video (not complete)
684 - new audio/video parser API
686 - av_read_frame() and av_seek_frame() support
687 - missing last frame fixes
688 - seek by mouse in ffplay
689 - noise reduction of DCT coefficients
690 - H.263 OBMC & 4MV support
691 - H.263 alternative inter vlc support
693 - H.263 slice structured mode
694 - interlaced DCT support for MPEG-2 encoding
695 - stuffing to stay above min_bitrate
696 - MB type & QP visualization
697 - frame stepping for ffplay
698 - interlaced motion estimation
699 - alternate scantable support
700 - SVCD scan offset support
703 - quantizer noise shaping
704 - G.726 ADPCM audio codec
706 - multithreaded/SMP motion estimation
707 - multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263
708 - multithreaded/SMP decoding for MPEG-2
710 - Metrowerks CodeWarrior suppport
711 - H.263+ custom pcf support
712 - nicer output for 'ffmpeg -formats'
714 - SGI image format, encoding and decoding
715 - H.264 loop filter support
716 - H.264 CABAC support
717 - nicer looking arrows for the motion vector visualization
718 - improved VCD support
719 - audio timestamp drift compensation
720 - MPEG-2 YUV 422/444 support
721 - polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample
722 - better image scaling
724 - correctly interleave packets during encoding
725 - VIS optimized motion compensation
726 - intra_dc_precision>0 encoding support
727 - support reuse of motion vectors/MB types/field select values of the source video
728 - more accurate deblock filter
730 - many optimizations and bugfixes
731 - FunCom ISS audio file demuxer and according ADPCM decoding
736 - MPEG-2 video encoding (Michael)
737 - Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)
738 - Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson
740 - Xan DPCM audio decoder (Mario Brito)
741 - Interplay MVE playback subsystem (Mike Melanson)
742 - Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)
747 - RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from mplayerhq
748 (originally from public domain player for Amiga at http://www.honeypot.net/audio)
749 - current version now also compiles with older GCC (Fabrice)
750 - 4X multimedia playback system including 4xm file demuxer (Mike
751 Melanson), and 4X video and audio codecs (Michael)
752 - Creative YUV (CYUV) decoder (Mike Melanson)
753 - FFV1 codec (our very simple lossless intra only codec, compresses much better
754 than HuffYUV) (Michael)
755 - ASV1 (Asus), H.264, Intel indeo3 codecs have been added (various)
756 - tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with
757 alpha support), JPEG YUV colorspace support. (Fabrice Bellard)
758 - ffplay has been replaced with a newer version which uses SDL (optionally)
759 for multiplatform support (Fabrice)
760 - Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated
762 - AMR format has been added (Johannes Carlsson)
763 - 3GP support has been added (Johannes Carlsson)
764 - VP3 codec has been added (Mike Melanson)
765 - more MPEG-1/2 fixes
766 - better multiplatform support, MS Visual Studio fixes (various)
767 - AltiVec optimizations (Magnus Damn and others)
768 - SH4 processor support has been added (BERO)
769 - new public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)
770 - VOB streaming support (Brian Foley)
771 - better MP3 autodetection (Andriy Rysin)
772 - qpel encoding (Michael)
773 - 4mv+b frames encoding finally fixed (Michael)
774 - chroma ME (Michael)
775 - 5 comparison functions for ME (Michael)
776 - B-frame encoding speedup (Michael)
777 - WMV2 codec (unfinished - Michael)
778 - user specified diamond size for EPZS (Michael)
779 - Playstation STR playback subsystem, still experimental (Mike and Michael)
780 - ASV2 codec (Michael)
781 - CLJR decoder (Alex)
783 .. And lots more new enhancements and fixes.
788 - completely new integer only MPEG audio layer 1/2/3 decoder rewritten
790 - Recoded DCT and motion vector search with gcc (no longer depends on nasm)
791 - fix quantization bug in AC3 encoder
792 - added PCM codecs and format. Corrected WAV/AVI/ASF PCM issues
793 - added prototype ffplay program
794 - added GOB header parsing on H.263/H.263+ decoder (Juanjo)
795 - bug fix on MCBPC tables of H.263 (Juanjo)
796 - bug fix on DC coefficients of H.263 (Juanjo)
797 - added Advanced Prediction Mode on H.263/H.263+ decoder (Juanjo)
798 - now we can decode H.263 streams found in QuickTime files (Juanjo)
799 - now we can decode H.263 streams found in VIVO v1 files(Juanjo)
800 - preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)
801 - added GOB header for H.263/H.263+ coding on RTP mode (Juanjo)
802 - now H.263 picture size is returned on the first decoded frame (Juanjo)
803 - added first regression tests
804 - added MPEG-2 TS demuxer
805 - new demux API for libav
806 - more accurate and faster IDCT (Michael)
807 - faster and entropy-controlled motion search (Michael)
808 - two pass video encoding (Michael)
809 - new video rate control (Michael)
810 - added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)
811 - great performance improvement of video encoders and decoders (Michael)
812 - new and faster bit readers and vlc parsers (Michael)
813 - high quality encoding mode: tries all macroblock/VLC types (Michael)
814 - added DV video decoder
815 - preliminary RTP/RTSP support in ffserver and libavformat
816 - H.263+ AIC decoding/encoding support (Juanjo)
817 - VCD MPEG-PS mode (Juanjo)
818 - PSNR stuff (Juanjo)
819 - simple stats output (Juanjo)
820 - 16-bit and 15-bit RGB/BGR/GBR support (Bisqwit)
825 - some header fixes (Zdenek Kabelac <kabi at informatics.muni.cz>)
826 - many MMX optimizations (Nick Kurshev <nickols_k at mail.ru>)
827 - added configure system (actually a small shell script)
828 - added MPEG audio layer 1/2/3 decoding using LGPL'ed mpglib by
829 Michael Hipp (temporary solution - waiting for integer only
831 - fixed VIDIOCSYNC interrupt
832 - added Intel H.263 decoding support ('I263' AVI fourCC)
833 - added Real Video 1.0 decoding (needs further testing)
834 - simplified image formats again. Added PGM format (=grey
835 pgm). Renamed old PGM to PGMYUV.
836 - fixed msmpeg4 slice issues (tell me if you still find problems)
837 - fixed OpenDivX bugs with newer versions (added VOL header decoding)
838 - added support for MPlayer interface
839 - added macroblock skip optimization
840 - added MJPEG decoder
841 - added mmx/mmxext IDCT from libmpeg2
842 - added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer
843 <celer at shell.scrypt.net>)
844 - added pixel format conversion layer (e.g. for MJPEG or PPM)
845 - added deinterlacing option
847 - MPEG-4 vol header fixes (Jonathan Marsden <snmjbm at pacbell.net>)
848 - ARM optimizations (Lionel Ulmer <lionel.ulmer at free.fr>).
849 - Windows porting of file converter
850 - added MJPEG raw format (input/ouput)
851 - added JPEG image format support (input/output)
856 - fixed some std header definitions (Bjorn Lindgren
857 <bjorn.e.lindgren at telia.com>).
858 - added MPEG demuxer (MPEG-1 and 2 compatible).
860 - added prototype RM demuxer
861 - added AC3 decoding (done with libac3 by Aaron Holtzman)
862 - added decoding codec parameter guessing (.e.g. for MPEG, because the
863 header does not include them)
864 - fixed header generation in MPEG-1, AVI and ASF muxer: wmplayer can now
865 play them (only tested video)
866 - fixed H.263 white bug
867 - fixed phase rounding in img resample filter
868 - add MMX code for polyphase img resample filter
869 - added CPU autodetection
870 - added generic title/author/copyright/comment string handling (ASF and RM
872 - added SWF demux to extract MP3 track (not usable yet because no MP3
874 - added fractional frame rate support
875 - codecs are no longer searched by read_header() (should fix ffserver
881 - BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq at amsat.org>)
882 - fixed raw yuv output
883 - added motion rounding support in MPEG-4
884 - fixed motion bug rounding in MSMPEG4
885 - added B-frame handling in video core
886 - added full MPEG-1 decoding support
887 - added partial (frame only) MPEG-2 support
888 - changed the FOURCC code for H.263 to "U263" to be able to see the
889 +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with
890 this +codec ;) (JuanJo).
891 - Halfpel motion estimation after MB type selection (JuanJo)
892 - added pgm and .Y.U.V output format
893 - suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or
895 - added pgmpipe I/O format (original patch from Martin Aumueller
896 <lists at reserv.at>, but changed completely since we use a format
897 instead of a protocol)
902 - added H.263/MPEG-4/MSMPEG4 decoding support. MPEG-4 decoding support
903 (for OpenDivX) is almost complete: 8x8 MVs and rounding are
904 missing. MSMPEG4 support is complete.
905 - added prototype MPEG-1 decoder. Only I- and P-frames handled yet (it
906 can decode ffmpeg MPEGs :-)).
907 - added libavcodec API documentation (see apiexample.c).
908 - fixed image polyphase bug (the bottom of some images could be
910 - added support for non clipped motion vectors (decoding only)
911 and image sizes non-multiple of 16
912 - added support for AC prediction (decoding only)
913 - added file overwrite confirmation (can be disabled with -y)
914 - added custom size picture to H.263 using H.263+ (Juanjo)
919 - added MSMPEG4 (aka DivX) compatible encoder. Changed default codec
920 of AVI and ASF to DIV3.
921 - added -me option to set motion estimation method
922 (default=log). suppressed redundant -hq option.
923 - added options -acodec and -vcodec to force a given codec (useful for
926 - improved dct_quantize speed
927 - factorized some motion estimation code
932 - removing grab code from ffserver and moved it to ffmpeg. Added
933 multistream support to ffmpeg.
934 - added timeshifting support for live feeds (option ?date=xxx in the
936 - added high quality image resize code with polyphase filter (need
937 mmx/see optimization). Enable multiple image size support in ffserver.
938 - added multi live feed support in ffserver
939 - suppressed master feature from ffserver (it should be done with an
940 external program which opens the .ffm url and writes it to another
942 - added preliminary support for video stream parsing (WAV and AVI half
943 done). Added proper support for audio/video file conversion in
945 - added preliminary support for video file sending from ffserver
946 - redesigning I/O subsystem: now using URL based input and output
948 - added WAV format support
949 - added "tty user interface" to ffmpeg to stop grabbing gracefully
950 - added MMX/SSE optimizations to SAD (Sums of Absolutes Differences)
951 (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo at atmlab.utfsm.cl>)
952 - added MMX DCT from mpeg2_movie 1.5 (Juanjo)
953 - added new motion estimation algorithms, log and phods (Juanjo)
954 - changed directories: libav for format handling, libavcodec for
960 - added stereo in MPEG audio encoder
965 - added 'high quality' mode which use motion vectors. It can be used in
966 real time at low resolution.
967 - fixed rounding problems which caused quality problems at high
968 bitrates and large GOP size
971 version 0.3.2: small fixes
977 version 0.3.1: added avi/divx support
980 - added MPEG-4 codec compatible with OpenDivX. It is based on the H.263 codec
981 - added sound for flash format (not tested)
984 version 0.3: initial public release