1 Entries are sorted chronologically from oldest to youngest within each release,
2 releases are sorted from youngest to oldest.
5 - Support for spherical videos
9 - aliases and defaults for Ogg subtypes (opus, spx)
10 - HEVC/H.265 RTP payload format (draft v6) packetizer and depacketizer
11 - avplay now exits by default at the end of playback
12 - XCB-based screen-grabber
13 - creating DASH compatible fragmented MP4, MPEG-DASH segmenting muxer
14 - H.261 RTP payload format (RFC 4587) depacketizer and experimental packetizer
17 - OpenH264 encoder wrapper
18 - Support DNx100 (960x720@8)
19 - Direct3D11-accelerated decoding
20 - DXVA2-accelerated HEVC decoding
21 - AAC ELD 480 decoding
22 - Intel QSV-accelerated H.264 decoding
23 - DSS SP decoder and DSS demuxer
24 - RTP depacketizer for AC3 payload format (RFC 4184)
25 - RTP depacketizer for loss tolerant payload format for MP3 audio (RFC 5219)
26 - RTP depacketizer for DV (RFC 6469)
28 - RTP depacketization of T.140 text (RFC 4103)
29 - VP9 RTP payload format (draft 0) experimental depacketizer
31 - DTS lossless extension (XLL) decoding (not lossless, disabled by default)
32 - Intel QSV-accelerated H.264 encoding
33 - MMAL-accelerated H.264 decoding
34 - DTS decoding through libdcadec
35 - Canopus HQ/HQA decoder
36 - Automatically rotate videos based on metadata in avconv
37 - improved Quickdraw compatibility
38 - NVIDIA NVENC-accelerated H.264 and HEVC encoding support
39 - Multipart JPEG demuxer
40 - Support the extended vp9 profiles in the libvpx wrapper
41 - Hap decoder and encoder
42 - DirectDraw Surface image/texture decoder
43 - rewritten ASF demuxer
44 - Go2Meeting decoding support
45 - Intel QSV-accelerated MPEG-2 video and HEVC encoding
46 - bitstream filter for converting HEVC from MP4 to Annex B
47 - Intel QSV-accelerated MPEG-2 video and HEVC decoding
48 - Support DNx100 (1440x1080@8)
50 - Screenpresso SPV1 decoding
51 - zero-copy Intel QSV transcoding in avconv
52 - libkvazaar HEVC encoder
53 - innoHeim/Rsupport Screen Capture Codec decoder
54 - support encoding 16-bit RLE SGI images
55 - support Apple AVFoundation video capture
56 - G.723.1 muxer and encoder
58 - VAAPI-accelerated format conversion and scaling
59 - libnpp/CUDA-accelerated format conversion and scaling
60 - VAAPI-accelerate H.264/HEVC/MJPEG encoding
61 - Generic OpenMAX IL encoder with support for Raspberry Pi
62 - MMAL-accelerated MPEG-2 and VC-1 decoding
65 - Duck TrueMotion 2.0 Real Time decoder
66 - Intel QSV video scaling and deinterlacing filter
67 - Support MOV with multiple sample description tables
68 - OpenH264 decoder wrapper
69 - Removed the legacy X11 screen grabber, use XCB instead
70 - HDCD decoding filter through libhdcd
75 - shuffleplanes filter
76 - replaygain data export
77 - Alias PIX image encoder and decoder
78 - BRender PIX image decoder
79 - Amazing Studio PAF playback support
81 - BMP standalone parser
82 - OpenEXR image decoder
83 - support encoding and decoding 4-channel SGI images
84 - support decoding 16-bit RLE SGI images
86 - LucasArts SMUSH SANM video decoder
87 - LucasArts SMUSH VIMA audio decoder (ADPCM)
88 - LucasArts SMUSH demuxer
89 - MP2 encoding via TwoLAME
91 - Silicon Graphics RLE 8-bit video decoder
92 - Silicon Graphics Motion Video Compressor 1 & 2 decoder
93 - Silicon Graphics Movie demuxer
94 - On2 AVC (Audio for Video) decoder
95 - support for decoding through DXVA2 in avconv
96 - libbs2b-based stereo-to-binaural audio filter
98 - display matrix export and rotation API
99 - drop avserver, it was unmaintained for years and largely broken
101 - request Icecast metadata by default
102 - support for using metadata in stream specifiers in avtools
103 - Matroska 3D support
108 - support ID3v2 tags in ASF files
109 - reference-counting for AVFrame and AVPacket data
110 - avconv now fails when input options are used for output file
112 - avconv options -filter_script and -filter_complex_script, which allow a
113 filtergraph description to be read from a file
114 - uniform options syntax across all filters
117 - asetpts filter (same as setpts, but for audio)
118 - trim and atrim filters
119 - avconv -t and -ss (output-only) options are now sample-accurate when
121 - Matroska muxer can now put the index at the beginning of the file.
122 - avconv -deinterlace option removed, the yadif filter should be used instead
123 - Apple Intermediate Codec decoder
124 - Escape 130 video decoder
125 - support for slice multithreading in libavfilter
126 - VC-1 interlaced B-frame support
127 - support for WavPack muxing (raw and in Matroska)
129 - WavPack encoding through libwavpack
130 - Added the -n parameter to avconv
132 - when transcoding with avconv (i.e. not streamcopying), -ss is now accurate
133 even when used as an input option. Previous behavior can be restored with
134 the -noaccurate_seek option.
135 - avconv -t option can now be used for inputs, to limit the duration of
136 data read from an input file
137 - Voxware MetaSound decoder
139 - Error Resilient AAC syntax (ER AAC LC) decoding
140 - Low Delay AAC (ER AAC LD) decoding
141 - mux chapters in ASF files
142 - Opus in Ogg demuxing
143 - Enhanced Low Delay AAC (ER AAC ELD) decoding (no LD SBR support)
145 - HNM version 4 demuxer and video decoder
147 - raw HEVC, HEVC in MOV/MP4, HEVC in Matroska, HEVC in MPEG-TS demuxing
148 - remove avplay -vismv option, which has not worked for a long time
150 - setsar/setdar filters now support variables in ratio expressions
151 - dar variable in the scale filter now returns the actual DAR (i.e. a * sar)
153 - support for decoding through VDPAU in avconv (the -hwaccel option)
154 - remove mp3_header_(de)compress bitstream filters
155 - stereoscopic 3d metadata handling
156 - png standalone parser
157 - WebP encoding via libwebp
160 - Mirillis FIC video decoder
162 - compand audio filter
166 - av_basename and av_dirname
167 - adobe and limelight publisher authentication in RTMP
168 - VDPAU hardware acceleration through normal hwaccel
173 - ashowinfo audio filter
174 - 24-bit FLAC encoding
175 - audio volume filter
176 - deprecated the avconv -vol option. the volume filter is to be used instead.
177 - multi-channel ALAC encoding up to 7.1
178 - TAK demuxer, parser, and decoder
179 - adaptive frame-level multithreading for H.264
183 - metadata (INFO tag) support in WAV muxer
184 - support for building DLLs using MSVC
185 - remove avserver daemon mode
186 - support building on the Plan 9 operating system
187 - ffv1: support version 1.3
192 - XWD encoder and decoder
193 - Support for fragmentation in the mov/mp4 muxer
194 - ISMV (Smooth Streaming) muxer
195 - CDXL demuxer and decoder
196 - Apple ProRes encoder
197 - Sun Rasterfile Encoder
199 - ID3v2 attached pictures reading and writing
200 - WMA Lossless decoder
202 - RealAudio Lossless decoder
204 - drop support for avconv without libavfilter
205 - add libavresample audio conversion library
206 - audio filters support in libavfilter and avconv
210 - avprobe output is now standard INI or JSON. The old format can still
211 be used with -of old.
212 - Indeo Audio decoder
213 - channelsplit audio filter
214 - RTMPT protocol support
215 - iLBC encoding/decoding via libilbc
216 - Microsoft Screen 1 decoder
218 - audio channel mapping filter
219 - Microsoft ATC Screen decoder
221 - TechSmith Screen Codec 2 decoder
222 - AAC encoding via libfdk-aac
223 - Microsoft Expression Encoder Screen decoder
224 - RTMPS protocol support
225 - RTMPTS protocol support
226 - JPEG 2000 encoding support through OpenJPEG
227 - G.723.1 demuxer and decoder
228 - RTMPE protocol support
229 - RTMPTE protocol support
230 - Canopus Lossless Codec decoder
231 - avconv -shortest option is now per-output file,
232 -pass and -passlogfile are now per-output stream
234 - Microsoft Screen 2 decoder
235 - RTP depacketization of JPEG
236 - Smooth Streaming live segmenter muxer
237 - RTP packetization of JPEG
238 - Opus decoder and encoder using libopus
239 - remove -same_quant, it hasn't worked for years
240 - support for building with MSVC
251 - Automatic thread count based on detection number of (available) CPU cores
252 - Deprecate libpostproc. If desired, the switch --enable-postproc will
253 enable it but it may be removed in a later Libav release.
254 - rv34: frame-level multi-threading
255 - optimized iMDCT transform on x86 using SSE for for mpegaudiodec
261 - Flash Screen Video 2 decoder
262 - ffplay/ffprobe/ffserver renamed to avplay/avprobe/avserver
263 - ffmpeg deprecated, added avconv, which is almost the same for now, except
264 for a few incompatible changes in the options, which will hopefully make them
265 easier to use. The changes are:
266 * The options placement is now strictly enforced! While in theory the
267 options for ffmpeg should be given in [input options] -i INPUT [output
268 options] OUTPUT order, in practice it was possible to give output options
269 before the -i and it mostly worked. Except when it didn't - the behavior was
270 a bit inconsistent. In avconv, it is not possible to mix input and output
271 options. All non-global options are reset after an input or output filename.
272 * All per-file options are now truly per-file - they apply only to the next
273 input or output file and specifying different values for different files
274 will now work properly (notably -ss and -t options).
275 * All per-stream options are now truly per-stream - it is possible to
276 specify which stream(s) should a given option apply to. See the Stream
277 specifiers section in the avconv manual for details.
278 * In ffmpeg some options (like -newvideo/-newaudio/...) are irregular in the
279 sense that they're specified after the output filename instead of before,
280 like all other options. In avconv this irregularity is removed, all options
281 apply to the next input or output file.
282 * -newvideo/-newaudio/-newsubtitle options were removed. Not only were they
283 irregular and highly confusing, they were also redundant. In avconv the -map
284 option will create new streams in the output file and map input streams to
285 them. E.g. avconv -i INPUT -map 0 OUTPUT will create an output stream for
286 each stream in the first input file.
287 * The -map option now has slightly different and more powerful syntax:
288 + Colons (':') are used to separate file index/stream type/stream index
289 instead of dots. Comma (',') is used to separate the sync stream instead
290 of colon.. This is done for consistency with other options.
291 + It's possible to specify stream type. E.g. -map 0:a:2 creates an
292 output stream from the third input audio stream.
293 + Omitting the stream index now maps all the streams of the given type,
294 not just the first. E.g. -map 0:s creates output streams for all the
295 subtitle streams in the first input file.
296 + Since -map can now match multiple streams, negative mappings were
297 introduced. Negative mappings disable some streams from an already
298 defined map. E.g. '-map 0 -map -0:a:1' means 'create output streams for
299 all the stream in the first input file, except for the second audio
301 * There is a new option -c (or -codec) for choosing the decoder/encoder to
302 use, which allows to precisely specify target stream(s) consistently with
303 other options. E.g. -c:v lib264 sets the codec for all video streams, -c:a:0
304 libvorbis sets the codec for the first audio stream and -c copy copies all
305 the streams without reencoding. Old -vcodec/-acodec/-scodec options are now
307 * It is now possible to precisely specify which stream should an AVOption
308 apply to. E.g. -b:v:0 2M sets the bitrate for the first video stream, while
309 -b:a 128k sets the bitrate for all audio streams. Note that the old -ab 128k
310 syntax is deprecated and will stop working soon.
311 * -map_chapters now takes only an input file index and applies to the next
312 output file. This is consistent with how all the other options work.
313 * -map_metadata now takes only an input metadata specifier and applies to
314 the next output file. Output metadata specifier is now part of the option
315 name, similarly to the AVOptions/map/codec feature above.
316 * -metadata can now be used to set metadata on streams and chapters, e.g.
317 -metadata:s:1 language=eng sets the language of the first stream to 'eng'.
318 This made -vlang/-alang/-slang options redundant, so they were removed.
319 * -qscale option now uses stream specifiers and applies to all streams, not
320 just video. I.e. plain -qscale number would now apply to all streams. To get
321 the old behavior, use -qscale:v. Also there is now a shortcut -q for -qscale
322 and -aq is now an alias for -q:a.
323 * -vbsf/-absf/-sbsf options were removed and replaced by a -bsf option which
324 uses stream specifiers. Use -bsf:v/a/s instead of the old options.
325 * -itsscale option now uses stream specifiers, so its argument is only the
327 * -intra option was removed, use -g 0 for the same effect.
328 * -psnr option was removed, use -flags +psnr for the same effect.
329 * -vf option is now an alias to the new -filter option, which uses stream specifiers.
330 * -vframes/-aframes/-dframes options are now aliases to the new -frames option.
331 * -vtag/-atag/-stag options are now aliases to the new -tag option.
333 - Windows Media Image decoder
337 - libcdio-paranoia input device for audio CD grabbing
339 - Apple ProRes decoder
340 - CELT in Ogg demuxing
341 - VC-1 interlaced decoding
342 - lut, lutrgb, and lutyuv filters
345 - Speex encoding via libspeex
346 - 4:2:2 H.264 decoding support
347 - 4:2:2 and 4:4:4 H.264 encoding with libx264
348 - Pulseaudio input device
349 - replacement Indeo 3 decoder
350 - TLS/SSL and HTTPS protocol support
351 - AVOptions API rewritten and documented
352 - most of CODEC_FLAG2_*, some CODEC_FLAG_* and many codec-specific fields in
353 AVCodecContext deprecated. Codec private options should be used instead.
354 - Properly working defaults in libx264 wrapper, support for native presets.
355 - Encrypted OMA files support
356 - Discworld II BMV decoding support
358 - OS X Video Decoder Acceleration (VDA) support
359 - CRI ADX audio format muxer and demuxer
360 - Playstation Portable PMP format demuxer
361 - PCM format support in OMA demuxer
363 - Dxtory capture format decoder
364 - v410 QuickTime uncompressed 4:4:4 10-bit encoder and decoder
366 - Simple segmenting muxer
373 - E-AC-3 audio encoder
374 - ac3enc: add channel coupling support
375 - floating-point sample format support for (E-)AC-3, DCA, AAC, Vorbis decoders
376 - H.264/MPEG frame-level multithreading
377 - av_metadata_* functions renamed to av_dict_* and moved to libavutil
378 - 4:4:4 H.264 decoding support
379 - 10-bit H.264 optimizations for x86
380 - bump libswscale for recently reported ABI break
385 - VP8 frame-level multithreading
386 - NEON optimizations for VP8
387 - removed a lot of deprecated API cruft
388 - FFT and IMDCT optimizations for AVX (Sandy Bridge) processors
390 - SMPTE 302M AES3 audio decoder
391 - ffmpeg no longer quits after the 'q' key is pressed; use 'ctrl+c' instead
392 - 9 bits and 10 bits per sample support in the H.264 decoder
397 - WebM support in Matroska de/muxer
398 - low overhead Ogg muxing
400 - VP8 de/encoding via libvpx
401 - Demuxer for On2's IVF format
402 - Pictor/PC Paint decoder
404 - libfaad2 wrapper removed
405 - DTS-ES extension (XCh) decoding support
407 - RTSP tunneling over HTTP
408 - RTP depacketization of SVQ3
409 - -strict inofficial replaced by -strict unofficial
410 - ffplay -exitonkeydown and -exitonmousedown options added
411 - native GSM / GSM MS decoder
412 - RTP depacketization of QDM2
413 - ANSI/ASCII art playback system
414 - Lego Mindstorms RSO de/muxer
415 - SubRip subtitle file muxer and demuxer
416 - Chinese AVS encoding via libxavs
417 - ffprobe -show_packets option added
418 - RTP packetization of Theora and Vorbis
419 - RTP depacketization of MP4A-LATM
420 - RTP packetization and depacketization of VP8
422 - Apple HTTP Live Streaming demuxer
425 - G.722 ADPCM audio encoder/decoder
428 - frei0r wrapper filter
429 - change crop filter syntax to width:height:x:y
430 - make the crop filter accept parametric expressions
431 - make ffprobe accept AVFormatContext options
434 - Demuxer for Leitch/Harris' VR native stream format (LXF)
435 - RTP depacketization of the X-QT QuickTime format
436 - SAP (Session Announcement Protocol, RFC 2974) muxer and demuxer
438 - ffmpeg -crop* options removed
439 - transpose filter added
440 - ffmpeg -force_key_frames option added
441 - demuxer for receiving raw rtp:// URLs without an SDP description
442 - single stream LATM/LOAS decoder
443 - setpts filter added
444 - Win64 support for optimized x86 assembly functions
445 - MJPEG/AVI1 to JPEG/JFIF bitstream filter
446 - ASS subtitle encoder and decoder
447 - IEC 61937 encapsulation for E-AC-3, TrueHD, DTS-HD (for HDMI passthrough)
448 - overlay filter added
449 - rename aspect filter to setdar, and pixelaspect to setsar
451 - Mobotix .mxg demuxer
452 - frei0r source added
453 - hqdn3d filter added
454 - RTP depacketization of QCELP
456 - gradfun filter added
458 - replace the ocv_smooth filter with a more generic ocv filter
459 - Windows Televison (WTV) demuxer
460 - FFmpeg metadata format muxer and demuxer
461 - SubRip (srt) subtitle decoder
462 - floating-point AC-3 encoder added
464 - ffmpeg -copytb option added
466 - Wing Commander IV movies decoder added
468 - Bink version 'b' audio and video decoder
469 - Bitmap Brothers JV playback system
470 - Apple HTTP Live Streaming protocol handler
471 - sndio support for playback and record
472 - Linux framebuffer input device added
473 - Chronomaster DFA decoder
474 - Mobotix MxPEG decoder
475 - AAC encoding via libvo-aacenc
476 - AMR-WB encoding via libvo-amrwbenc
478 - fieldorder video filter added
483 - PB-frame decoding for H.263
484 - deprecated vhook subsystem removed
485 - deprecated old scaler removed
487 - Alpha channel scaler
489 - RTP packetization of H.263
490 - RTP packetization of AMR
491 - RTP depacketization of Vorbis
492 - CorePNG decoding support
493 - Cook multichannel decoding support
494 - introduced avlanguage helpers in libavformat
495 - 8088flex TMV demuxer and decoder
496 - per-stream language-tags extraction in asfdec
497 - V210 decoder and encoder
498 - remaining GPL parts in AC-3 decoder converted to LGPL
500 - SoX native format muxer and demuxer
501 - AMR-NB decoding/encoding, AMR-WB decoding via OpenCORE libraries
503 - Electronic Arts Madcow decoder
504 - DivX (XSUB) subtitle encoder
505 - nonfree libamr support for AMR-NB/WB decoding/encoding removed
506 - experimental AAC encoder
507 - RTP depacketization of ASF and RTSP from WMS servers
508 - RTMP support in libavformat
509 - noX handling for OPT_BOOL X options
511 - IEC-61937 compatible Muxer
513 - Bluray (PGS) subtitle decoder
514 - LPCM support in MPEG-TS (HDMV RID as found on Blu-ray disks)
516 - Core Audio Format demuxer
518 - MD STUDIO audio demuxer
519 - RF64 support in WAV demuxer
520 - MPEG-4 Audio Lossless Coding (ALS) decoder
521 - -formats option split into -formats, -codecs, -bsfs, and -protocols
523 - CDG demuxer and decoder
525 - Auravision Aura 1 and 2 decoders
526 - Deluxe Paint Animation playback system
528 - Adobe Filmstrip muxer and demuxer
529 - RTP depacketization of H.263
530 - Bink demuxer and audio/video decoders
531 - enable symbol versioning by default for linkers that support it
532 - IFF PBM/ILBM bitmap decoder
535 - RTP depacketization of AMR
541 - Kega Game Video (KGV1) decoder
542 - VorbisComment writing for FLAC, Ogg FLAC and Ogg Speex files
543 - RTP depacketization of Theora
544 - HTTP Digest authentication
545 - RTMP/RTMPT/RTMPS/RTMPE/RTMPTE protocol support via librtmp
546 - Psygnosis YOP demuxer and video decoder
547 - spectral extension support in the E-AC-3 decoder
548 - unsharp video filter
549 - RTP hinting in the mov/3gp/mp4 muxer
550 - Dirac in Ogg demuxing
551 - seek to keyframes in Ogg
552 - 4:2:2 and 4:4:4 Theora decoding
553 - 35% faster VP3/Theora decoding
554 - faster AAC decoding
555 - faster H.264 decoding
556 - RealAudio 1.0 (14.4K) encoder
561 - DV50 AKA DVCPRO50 encoder, decoder, muxer and demuxer
562 - TechSmith Camtasia (TSCC) video decoder
563 - IBM Ultimotion (ULTI) video decoder
564 - Sierra Online audio file demuxer and decoder
565 - Apple QuickDraw (qdrw) video decoder
566 - Creative ADPCM audio decoder (16 bits as well as 8 bits schemes)
567 - Electronic Arts Multimedia (WVE/UV2/etc.) file demuxer
568 - Miro VideoXL (VIXL) video decoder
569 - H.261 video encoder
571 - Nullsoft Video (NSV) file demuxer
572 - Shorten audio decoder
574 - Apple Lossless Audio Codec (ALAC) decoder
575 - Winnov WNV1 video decoder
576 - Autodesk Animator Studio Codec (AASC) decoder
577 - Indeo 2 video decoder
578 - Fraps FPS1 video decoder
579 - Snow video encoder/decoder
580 - Sonic audio encoder/decoder
581 - Vorbis audio decoder
582 - Macromedia ADPCM decoder
583 - Duck TrueMotion 2 video decoder
584 - support for decoding FLX and DTA extensions in FLIC files
585 - H.264 custom quantization matrices support
586 - ffserver fixed, it should now be usable again
588 - Real Cooker audio decoder
589 - TrueSpeech audio decoder
590 - WMA2 audio decoder fixed, now all files should play correctly
591 - RealAudio 14.4 and 28.8 decoders fixed
593 - build system improvements
594 - tabs and trailing whitespace removed from the codebase
595 - CamStudio video decoder
596 - AIFF/AIFF-C audio format, encoding and decoding
597 - ADTS AAC file reading and writing
598 - Creative VOC file reading and writing
599 - American Laser Games multimedia (*.mm) playback system
600 - Zip Motion Blocks Video decoder
601 - improved Theora/VP3 decoder
602 - True Audio (TTA) decoder
603 - AVS demuxer and video decoder
605 - Smacker demuxer and decoder
606 - NuppelVideo/MythTV demuxer and RTjpeg decoder
608 - MPEG-2 intra VLC support
609 - MPEG-2 4:2:2 encoder
610 - Flash Screen Video decoder
612 - Chinese AVS decoder
615 - VC-1/WMV3/WMV9 video decoder
618 - VMware video decoder
621 - WavPack lossless audio decoder
622 - Targa (.TGA) picture decoder
623 - Vorbis audio encoder
624 - Delphine Software .cin demuxer/audio and video decoder
625 - Tiertex .seq demuxer/video decoder
627 - TIFF picture encoder and decoder
628 - GIF picture decoder
629 - Intel Music Coder decoder
630 - Zip Motion Blocks Video encoder
632 - Flash Screen Video encoder
633 - Theora encoding via libtheora
636 - GSM-MS encoder and decoder
638 - DXA demuxer and decoder
640 - Gamecube movie (.THP) playback system
641 - Blackfin optimizations
642 - Interplay C93 demuxer and video decoder
643 - Bethsoft VID demuxer and video decoder
646 - V.Flash PTX decoder
647 - RoQ muxer, RoQ audio encoder
648 - Renderware TXD demuxer and decoder
649 - extern C declarations for C++ removed from headers
650 - sws_flags command line option
654 - OS/2 support removed and restored again
657 - additional SPARC (VIS) optimizations
659 - slice-based parallel H.264 decoding
660 - Monkey's Audio demuxer and decoder
661 - AMV audio and video decoder
663 - H.264 PAFF decoding
664 - Nellymoser ASAO decoder
665 - Beam Software SIFF demuxer and decoder
666 - libvorbis Vorbis decoding removed in favor of native decoder
667 - IntraX8 (J-Frame) subdecoder for WMV2 and VC-1
668 - Ogg (Theora, Vorbis and FLAC) muxer
669 - The "device" muxers and demuxers are now in a new libavdevice library
670 - PC Paintbrush PCX decoder
671 - Sun Rasterfile decoder
672 - TechnoTrend PVA demuxer
673 - Linux Media Labs MPEG-4 (LMLM4) demuxer
674 - AVM2 (Flash 9) SWF muxer
675 - QT variant of IMA ADPCM encoder
677 - iPod/iPhone compatible mp4 muxer
679 - MSN TCP Webcam stream demuxer
680 - RL2 demuxer / decoder
683 - non-recursive Makefiles
685 - MAXIS EA XA (.xa) demuxer / decoder
689 - Electronic Arts CMV decoder
690 - Motion Pixels Video decoder
691 - Motion Pixels MVI demuxer
692 - removed animated GIF decoder/demuxer
693 - D-Cinema audio muxer
694 - Electronic Arts TGV decoder
695 - Apple Lossless Audio Codec (ALAC) encoder
697 - floating point PCM encoder/decoder
699 - DV100 AKA DVCPRO HD decoder and demuxer
700 - E-AC-3 support added to AC-3 decoder
701 - Nellymoser ASAO encoder
702 - ASS and SSA demuxer and muxer
703 - liba52 wrapper removed
704 - SVQ3 watermark decoding support
705 - Speex decoding via libspeex
706 - Electronic Arts TGQ decoder
708 - QCELP / PureVoice decoder
710 - hybrid WavPack support
711 - R3D REDCODE demuxer
712 - ALSA support for playback and record
713 - Electronic Arts TQI decoder
714 - OpenJPEG based JPEG 2000 decoder
715 - NC (NC4600) camera file demuxer
716 - Gopher client support
718 - generic metadata API
723 - DV encoder, DV muxer
724 - Microsoft RLE video decoder
725 - Microsoft Video-1 decoder
726 - Apple Animation (RLE) decoder
727 - Apple Graphics (SMC) decoder
728 - Apple Video (RPZA) decoder
730 - Sega FILM (CPK) file demuxer
731 - Westwood multimedia support (VQA & AUD files)
732 - Id Quake II CIN playback support
734 - FLIC playback support
735 - RealVideo 2.0 (RV20) decoder
736 - Duck TrueMotion v1 (DUCK) video decoder
737 - Sierra VMD demuxer and video decoder
738 - MSZH and ZLIB decoder support
742 - rate distortion optimal cbp support
743 - rate distorted optimal ac prediction for MPEG-4
744 - rate distorted optimal lambda->qp support
745 - AAC encoding with libfaac
746 - Sunplus JPEG codec (SP5X) support
747 - use Lagrange multiplier instead of QP for ratecontrol
748 - Theora/VP3 decoding support
749 - XA and ADX ADPCM codecs
750 - export MPEG-2 active display area / pan scan
751 - Add support for configuring with IBM XLC
752 - floating point AAN DCT
753 - initial support for zygo video (not complete)
755 - new audio/video parser API
757 - av_read_frame() and av_seek_frame() support
758 - missing last frame fixes
759 - seek by mouse in ffplay
760 - noise reduction of DCT coefficients
761 - H.263 OBMC & 4MV support
762 - H.263 alternative inter vlc support
764 - H.263 slice structured mode
765 - interlaced DCT support for MPEG-2 encoding
766 - stuffing to stay above min_bitrate
767 - MB type & QP visualization
768 - frame stepping for ffplay
769 - interlaced motion estimation
770 - alternate scantable support
771 - SVCD scan offset support
774 - quantizer noise shaping
775 - G.726 ADPCM audio codec
777 - multithreaded/SMP motion estimation
778 - multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263
779 - multithreaded/SMP decoding for MPEG-2
781 - Metrowerks CodeWarrior suppport
782 - H.263+ custom pcf support
783 - nicer output for 'ffmpeg -formats'
785 - SGI image format, encoding and decoding
786 - H.264 loop filter support
787 - H.264 CABAC support
788 - nicer looking arrows for the motion vector visualization
789 - improved VCD support
790 - audio timestamp drift compensation
791 - MPEG-2 YUV 422/444 support
792 - polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample
793 - better image scaling
795 - correctly interleave packets during encoding
796 - VIS optimized motion compensation
797 - intra_dc_precision>0 encoding support
798 - support reuse of motion vectors/MB types/field select values of the source video
799 - more accurate deblock filter
801 - many optimizations and bugfixes
802 - FunCom ISS audio file demuxer and according ADPCM decoding
807 - MPEG-2 video encoding (Michael)
808 - Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)
809 - Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson
811 - Xan DPCM audio decoder (Mario Brito)
812 - Interplay MVE playback subsystem (Mike Melanson)
813 - Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)
818 - RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from mplayerhq
819 (originally from public domain player for Amiga at http://www.honeypot.net/audio)
820 - current version now also compiles with older GCC (Fabrice)
821 - 4X multimedia playback system including 4xm file demuxer (Mike
822 Melanson), and 4X video and audio codecs (Michael)
823 - Creative YUV (CYUV) decoder (Mike Melanson)
824 - FFV1 codec (our very simple lossless intra only codec, compresses much better
825 than HuffYUV) (Michael)
826 - ASV1 (Asus), H.264, Intel indeo3 codecs have been added (various)
827 - tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with
828 alpha support), JPEG YUV colorspace support. (Fabrice Bellard)
829 - ffplay has been replaced with a newer version which uses SDL (optionally)
830 for multiplatform support (Fabrice)
831 - Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated
833 - AMR format has been added (Johannes Carlsson)
834 - 3GP support has been added (Johannes Carlsson)
835 - VP3 codec has been added (Mike Melanson)
836 - more MPEG-1/2 fixes
837 - better multiplatform support, MS Visual Studio fixes (various)
838 - AltiVec optimizations (Magnus Damn and others)
839 - SH4 processor support has been added (BERO)
840 - new public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)
841 - VOB streaming support (Brian Foley)
842 - better MP3 autodetection (Andriy Rysin)
843 - qpel encoding (Michael)
844 - 4mv+b frames encoding finally fixed (Michael)
845 - chroma ME (Michael)
846 - 5 comparison functions for ME (Michael)
847 - B-frame encoding speedup (Michael)
848 - WMV2 codec (unfinished - Michael)
849 - user specified diamond size for EPZS (Michael)
850 - Playstation STR playback subsystem, still experimental (Mike and Michael)
851 - ASV2 codec (Michael)
852 - CLJR decoder (Alex)
854 .. And lots more new enhancements and fixes.
859 - completely new integer only MPEG audio layer 1/2/3 decoder rewritten
861 - Recoded DCT and motion vector search with gcc (no longer depends on nasm)
862 - fix quantization bug in AC3 encoder
863 - added PCM codecs and format. Corrected WAV/AVI/ASF PCM issues
864 - added prototype ffplay program
865 - added GOB header parsing on H.263/H.263+ decoder (Juanjo)
866 - bug fix on MCBPC tables of H.263 (Juanjo)
867 - bug fix on DC coefficients of H.263 (Juanjo)
868 - added Advanced Prediction Mode on H.263/H.263+ decoder (Juanjo)
869 - now we can decode H.263 streams found in QuickTime files (Juanjo)
870 - now we can decode H.263 streams found in VIVO v1 files(Juanjo)
871 - preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)
872 - added GOB header for H.263/H.263+ coding on RTP mode (Juanjo)
873 - now H.263 picture size is returned on the first decoded frame (Juanjo)
874 - added first regression tests
875 - added MPEG-2 TS demuxer
876 - new demux API for libav
877 - more accurate and faster IDCT (Michael)
878 - faster and entropy-controlled motion search (Michael)
879 - two pass video encoding (Michael)
880 - new video rate control (Michael)
881 - added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)
882 - great performance improvement of video encoders and decoders (Michael)
883 - new and faster bit readers and vlc parsers (Michael)
884 - high quality encoding mode: tries all macroblock/VLC types (Michael)
885 - added DV video decoder
886 - preliminary RTP/RTSP support in ffserver and libavformat
887 - H.263+ AIC decoding/encoding support (Juanjo)
888 - VCD MPEG-PS mode (Juanjo)
889 - PSNR stuff (Juanjo)
890 - simple stats output (Juanjo)
891 - 16-bit and 15-bit RGB/BGR/GBR support (Bisqwit)
896 - some header fixes (Zdenek Kabelac <kabi at informatics.muni.cz>)
897 - many MMX optimizations (Nick Kurshev <nickols_k at mail.ru>)
898 - added configure system (actually a small shell script)
899 - added MPEG audio layer 1/2/3 decoding using LGPL'ed mpglib by
900 Michael Hipp (temporary solution - waiting for integer only
902 - fixed VIDIOCSYNC interrupt
903 - added Intel H.263 decoding support ('I263' AVI fourCC)
904 - added Real Video 1.0 decoding (needs further testing)
905 - simplified image formats again. Added PGM format (=grey
906 pgm). Renamed old PGM to PGMYUV.
907 - fixed msmpeg4 slice issues (tell me if you still find problems)
908 - fixed OpenDivX bugs with newer versions (added VOL header decoding)
909 - added support for MPlayer interface
910 - added macroblock skip optimization
911 - added MJPEG decoder
912 - added mmx/mmxext IDCT from libmpeg2
913 - added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer
914 <celer at shell.scrypt.net>)
915 - added pixel format conversion layer (e.g. for MJPEG or PPM)
916 - added deinterlacing option
918 - MPEG-4 vol header fixes (Jonathan Marsden <snmjbm at pacbell.net>)
919 - ARM optimizations (Lionel Ulmer <lionel.ulmer at free.fr>).
920 - Windows porting of file converter
921 - added MJPEG raw format (input/ouput)
922 - added JPEG image format support (input/output)
927 - fixed some std header definitions (Bjorn Lindgren
928 <bjorn.e.lindgren at telia.com>).
929 - added MPEG demuxer (MPEG-1 and 2 compatible).
931 - added prototype RM demuxer
932 - added AC3 decoding (done with libac3 by Aaron Holtzman)
933 - added decoding codec parameter guessing (.e.g. for MPEG, because the
934 header does not include them)
935 - fixed header generation in MPEG-1, AVI and ASF muxer: wmplayer can now
936 play them (only tested video)
937 - fixed H.263 white bug
938 - fixed phase rounding in img resample filter
939 - add MMX code for polyphase img resample filter
940 - added CPU autodetection
941 - added generic title/author/copyright/comment string handling (ASF and RM
943 - added SWF demux to extract MP3 track (not usable yet because no MP3
945 - added fractional frame rate support
946 - codecs are no longer searched by read_header() (should fix ffserver
952 - BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq at amsat.org>)
953 - fixed raw yuv output
954 - added motion rounding support in MPEG-4
955 - fixed motion bug rounding in MSMPEG4
956 - added B-frame handling in video core
957 - added full MPEG-1 decoding support
958 - added partial (frame only) MPEG-2 support
959 - changed the FOURCC code for H.263 to "U263" to be able to see the
960 +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with
961 this +codec ;) (JuanJo).
962 - Halfpel motion estimation after MB type selection (JuanJo)
963 - added pgm and .Y.U.V output format
964 - suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or
966 - added pgmpipe I/O format (original patch from Martin Aumueller
967 <lists at reserv.at>, but changed completely since we use a format
968 instead of a protocol)
973 - added H.263/MPEG-4/MSMPEG4 decoding support. MPEG-4 decoding support
974 (for OpenDivX) is almost complete: 8x8 MVs and rounding are
975 missing. MSMPEG4 support is complete.
976 - added prototype MPEG-1 decoder. Only I- and P-frames handled yet (it
977 can decode ffmpeg MPEGs :-)).
978 - added libavcodec API documentation (see apiexample.c).
979 - fixed image polyphase bug (the bottom of some images could be
981 - added support for non clipped motion vectors (decoding only)
982 and image sizes non-multiple of 16
983 - added support for AC prediction (decoding only)
984 - added file overwrite confirmation (can be disabled with -y)
985 - added custom size picture to H.263 using H.263+ (Juanjo)
990 - added MSMPEG4 (aka DivX) compatible encoder. Changed default codec
991 of AVI and ASF to DIV3.
992 - added -me option to set motion estimation method
993 (default=log). suppressed redundant -hq option.
994 - added options -acodec and -vcodec to force a given codec (useful for
997 - improved dct_quantize speed
998 - factorized some motion estimation code
1003 - removing grab code from ffserver and moved it to ffmpeg. Added
1004 multistream support to ffmpeg.
1005 - added timeshifting support for live feeds (option ?date=xxx in the
1007 - added high quality image resize code with polyphase filter (need
1008 mmx/see optimization). Enable multiple image size support in ffserver.
1009 - added multi live feed support in ffserver
1010 - suppressed master feature from ffserver (it should be done with an
1011 external program which opens the .ffm url and writes it to another
1013 - added preliminary support for video stream parsing (WAV and AVI half
1014 done). Added proper support for audio/video file conversion in
1016 - added preliminary support for video file sending from ffserver
1017 - redesigning I/O subsystem: now using URL based input and output
1019 - added WAV format support
1020 - added "tty user interface" to ffmpeg to stop grabbing gracefully
1021 - added MMX/SSE optimizations to SAD (Sums of Absolutes Differences)
1022 (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo at atmlab.utfsm.cl>)
1023 - added MMX DCT from mpeg2_movie 1.5 (Juanjo)
1024 - added new motion estimation algorithms, log and phods (Juanjo)
1025 - changed directories: libav for format handling, libavcodec for
1031 - added stereo in MPEG audio encoder
1036 - added 'high quality' mode which use motion vectors. It can be used in
1037 real time at low resolution.
1038 - fixed rounding problems which caused quality problems at high
1039 bitrates and large GOP size
1042 version 0.3.2: small fixes
1048 version 0.3.1: added avi/divx support
1051 - added MPEG-4 codec compatible with OpenDivX. It is based on the H.263 codec
1052 - added sound for flash format (not tested)
1055 version 0.3: initial public release