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
6 - Intel QSV-accelerated VP8 and VC-1 decoding
7 - VAAPI-accelerated VP8 and HEVC decoding
8 - VAAPI-accelerated deinterlacing
9 - config.log and other configuration files moved into avbuild/ directory
13 - aliases and defaults for Ogg subtypes (opus, spx)
14 - HEVC/H.265 RTP payload format (draft v6) packetizer and depacketizer
15 - avplay now exits by default at the end of playback
16 - XCB-based screen-grabber
17 - creating DASH compatible fragmented MP4, MPEG-DASH segmenting muxer
18 - H.261 RTP payload format (RFC 4587) depacketizer and experimental packetizer
21 - OpenH264 encoder wrapper
22 - Support DNx100 (960x720@8)
23 - Direct3D11-accelerated decoding
24 - DXVA2-accelerated HEVC decoding
25 - AAC ELD 480 decoding
26 - Intel QSV-accelerated H.264 decoding
27 - DSS SP decoder and DSS demuxer
28 - RTP depacketizer for AC3 payload format (RFC 4184)
29 - RTP depacketizer for loss tolerant payload format for MP3 audio (RFC 5219)
30 - RTP depacketizer for DV (RFC 6469)
32 - RTP depacketization of T.140 text (RFC 4103)
33 - VP9 RTP payload format (draft 0) experimental depacketizer
35 - DTS lossless extension (XLL) decoding (not lossless, disabled by default)
36 - Intel QSV-accelerated H.264 encoding
37 - MMAL-accelerated H.264 decoding
38 - DTS decoding through libdcadec
39 - Canopus HQ/HQA decoder
40 - Automatically rotate videos based on metadata in avconv
41 - improved Quickdraw compatibility
42 - NVIDIA NVENC-accelerated H.264 and HEVC encoding support
43 - Multipart JPEG demuxer
44 - Support the extended vp9 profiles in the libvpx wrapper
45 - Hap decoder and encoder
46 - DirectDraw Surface image/texture decoder
47 - rewritten ASF demuxer
48 - Go2Meeting decoding support
49 - Intel QSV-accelerated MPEG-2 video and HEVC encoding
50 - bitstream filter for converting HEVC from MP4 to Annex B
51 - Intel QSV-accelerated MPEG-2 video and HEVC decoding
52 - Support DNx100 (1440x1080@8)
54 - Screenpresso SPV1 decoding
55 - zero-copy Intel QSV transcoding in avconv
56 - libkvazaar HEVC encoder
57 - innoHeim/Rsupport Screen Capture Codec decoder
58 - support encoding 16-bit RLE SGI images
59 - support Apple AVFoundation video capture
60 - G.723.1 muxer and encoder
62 - VAAPI-accelerated format conversion and scaling
63 - libnpp/CUDA-accelerated format conversion and scaling
64 - VAAPI-accelerate H.264/HEVC/MJPEG encoding
65 - Generic OpenMAX IL encoder with support for Raspberry Pi
66 - MMAL-accelerated MPEG-2 and VC-1 decoding
69 - Duck TrueMotion 2.0 Real Time decoder
70 - Intel QSV video scaling and deinterlacing filter
71 - Support MOV with multiple sample description tables
72 - OpenH264 decoder wrapper
73 - Removed the legacy X11 screen grabber, use XCB instead
74 - HDCD decoding filter through libhdcd
79 - shuffleplanes filter
80 - replaygain data export
81 - Alias PIX image encoder and decoder
82 - BRender PIX image decoder
83 - Amazing Studio PAF playback support
85 - BMP standalone parser
86 - OpenEXR image decoder
87 - support encoding and decoding 4-channel SGI images
88 - support decoding 16-bit RLE SGI images
90 - LucasArts SMUSH SANM video decoder
91 - LucasArts SMUSH VIMA audio decoder (ADPCM)
92 - LucasArts SMUSH demuxer
93 - MP2 encoding via TwoLAME
95 - Silicon Graphics RLE 8-bit video decoder
96 - Silicon Graphics Motion Video Compressor 1 & 2 decoder
97 - Silicon Graphics Movie demuxer
98 - On2 AVC (Audio for Video) decoder
99 - support for decoding through DXVA2 in avconv
100 - libbs2b-based stereo-to-binaural audio filter
101 - native Opus decoder
102 - display matrix export and rotation API
103 - drop avserver, it was unmaintained for years and largely broken
105 - request Icecast metadata by default
106 - support for using metadata in stream specifiers in avtools
107 - Matroska 3D support
112 - support ID3v2 tags in ASF files
113 - reference-counting for AVFrame and AVPacket data
114 - avconv now fails when input options are used for output file
116 - avconv options -filter_script and -filter_complex_script, which allow a
117 filtergraph description to be read from a file
118 - uniform options syntax across all filters
121 - asetpts filter (same as setpts, but for audio)
122 - trim and atrim filters
123 - avconv -t and -ss (output-only) options are now sample-accurate when
125 - Matroska muxer can now put the index at the beginning of the file.
126 - avconv -deinterlace option removed, the yadif filter should be used instead
127 - Apple Intermediate Codec decoder
128 - Escape 130 video decoder
129 - support for slice multithreading in libavfilter
130 - VC-1 interlaced B-frame support
131 - support for WavPack muxing (raw and in Matroska)
133 - WavPack encoding through libwavpack
134 - Added the -n parameter to avconv
136 - when transcoding with avconv (i.e. not streamcopying), -ss is now accurate
137 even when used as an input option. Previous behavior can be restored with
138 the -noaccurate_seek option.
139 - avconv -t option can now be used for inputs, to limit the duration of
140 data read from an input file
141 - Voxware MetaSound decoder
143 - Error Resilient AAC syntax (ER AAC LC) decoding
144 - Low Delay AAC (ER AAC LD) decoding
145 - mux chapters in ASF files
146 - Opus in Ogg demuxing
147 - Enhanced Low Delay AAC (ER AAC ELD) decoding (no LD SBR support)
149 - HNM version 4 demuxer and video decoder
151 - raw HEVC, HEVC in MOV/MP4, HEVC in Matroska, HEVC in MPEG-TS demuxing
152 - remove avplay -vismv option, which has not worked for a long time
154 - setsar/setdar filters now support variables in ratio expressions
155 - dar variable in the scale filter now returns the actual DAR (i.e. a * sar)
157 - support for decoding through VDPAU in avconv (the -hwaccel option)
158 - remove mp3_header_(de)compress bitstream filters
159 - stereoscopic 3d metadata handling
160 - png standalone parser
161 - WebP encoding via libwebp
164 - Mirillis FIC video decoder
166 - compand audio filter
170 - av_basename and av_dirname
171 - adobe and limelight publisher authentication in RTMP
172 - VDPAU hardware acceleration through normal hwaccel
177 - ashowinfo audio filter
178 - 24-bit FLAC encoding
179 - audio volume filter
180 - deprecated the avconv -vol option. the volume filter is to be used instead.
181 - multi-channel ALAC encoding up to 7.1
182 - TAK demuxer, parser, and decoder
183 - adaptive frame-level multithreading for H.264
187 - metadata (INFO tag) support in WAV muxer
188 - support for building DLLs using MSVC
189 - remove avserver daemon mode
190 - support building on the Plan 9 operating system
191 - ffv1: support version 1.3
196 - XWD encoder and decoder
197 - Support for fragmentation in the mov/mp4 muxer
198 - ISMV (Smooth Streaming) muxer
199 - CDXL demuxer and decoder
200 - Apple ProRes encoder
201 - Sun Rasterfile Encoder
203 - ID3v2 attached pictures reading and writing
204 - WMA Lossless decoder
206 - RealAudio Lossless decoder
208 - drop support for avconv without libavfilter
209 - add libavresample audio conversion library
210 - audio filters support in libavfilter and avconv
214 - avprobe output is now standard INI or JSON. The old format can still
215 be used with -of old.
216 - Indeo Audio decoder
217 - channelsplit audio filter
218 - RTMPT protocol support
219 - iLBC encoding/decoding via libilbc
220 - Microsoft Screen 1 decoder
222 - audio channel mapping filter
223 - Microsoft ATC Screen decoder
225 - TechSmith Screen Codec 2 decoder
226 - AAC encoding via libfdk-aac
227 - Microsoft Expression Encoder Screen decoder
228 - RTMPS protocol support
229 - RTMPTS protocol support
230 - JPEG 2000 encoding support through OpenJPEG
231 - G.723.1 demuxer and decoder
232 - RTMPE protocol support
233 - RTMPTE protocol support
234 - Canopus Lossless Codec decoder
235 - avconv -shortest option is now per-output file,
236 -pass and -passlogfile are now per-output stream
238 - Microsoft Screen 2 decoder
239 - RTP depacketization of JPEG
240 - Smooth Streaming live segmenter muxer
241 - RTP packetization of JPEG
242 - Opus decoder and encoder using libopus
243 - remove -same_quant, it hasn't worked for years
244 - support for building with MSVC
255 - Automatic thread count based on detection number of (available) CPU cores
256 - Deprecate libpostproc. If desired, the switch --enable-postproc will
257 enable it but it may be removed in a later Libav release.
258 - rv34: frame-level multi-threading
259 - optimized iMDCT transform on x86 using SSE for for mpegaudiodec
265 - Flash Screen Video 2 decoder
266 - ffplay/ffprobe/ffserver renamed to avplay/avprobe/avserver
267 - ffmpeg deprecated, added avconv, which is almost the same for now, except
268 for a few incompatible changes in the options, which will hopefully make them
269 easier to use. The changes are:
270 * The options placement is now strictly enforced! While in theory the
271 options for ffmpeg should be given in [input options] -i INPUT [output
272 options] OUTPUT order, in practice it was possible to give output options
273 before the -i and it mostly worked. Except when it didn't - the behavior was
274 a bit inconsistent. In avconv, it is not possible to mix input and output
275 options. All non-global options are reset after an input or output filename.
276 * All per-file options are now truly per-file - they apply only to the next
277 input or output file and specifying different values for different files
278 will now work properly (notably -ss and -t options).
279 * All per-stream options are now truly per-stream - it is possible to
280 specify which stream(s) should a given option apply to. See the Stream
281 specifiers section in the avconv manual for details.
282 * In ffmpeg some options (like -newvideo/-newaudio/...) are irregular in the
283 sense that they're specified after the output filename instead of before,
284 like all other options. In avconv this irregularity is removed, all options
285 apply to the next input or output file.
286 * -newvideo/-newaudio/-newsubtitle options were removed. Not only were they
287 irregular and highly confusing, they were also redundant. In avconv the -map
288 option will create new streams in the output file and map input streams to
289 them. E.g. avconv -i INPUT -map 0 OUTPUT will create an output stream for
290 each stream in the first input file.
291 * The -map option now has slightly different and more powerful syntax:
292 + Colons (':') are used to separate file index/stream type/stream index
293 instead of dots. Comma (',') is used to separate the sync stream instead
294 of colon.. This is done for consistency with other options.
295 + It's possible to specify stream type. E.g. -map 0:a:2 creates an
296 output stream from the third input audio stream.
297 + Omitting the stream index now maps all the streams of the given type,
298 not just the first. E.g. -map 0:s creates output streams for all the
299 subtitle streams in the first input file.
300 + Since -map can now match multiple streams, negative mappings were
301 introduced. Negative mappings disable some streams from an already
302 defined map. E.g. '-map 0 -map -0:a:1' means 'create output streams for
303 all the stream in the first input file, except for the second audio
305 * There is a new option -c (or -codec) for choosing the decoder/encoder to
306 use, which allows to precisely specify target stream(s) consistently with
307 other options. E.g. -c:v lib264 sets the codec for all video streams, -c:a:0
308 libvorbis sets the codec for the first audio stream and -c copy copies all
309 the streams without reencoding. Old -vcodec/-acodec/-scodec options are now
311 * It is now possible to precisely specify which stream should an AVOption
312 apply to. E.g. -b:v:0 2M sets the bitrate for the first video stream, while
313 -b:a 128k sets the bitrate for all audio streams. Note that the old -ab 128k
314 syntax is deprecated and will stop working soon.
315 * -map_chapters now takes only an input file index and applies to the next
316 output file. This is consistent with how all the other options work.
317 * -map_metadata now takes only an input metadata specifier and applies to
318 the next output file. Output metadata specifier is now part of the option
319 name, similarly to the AVOptions/map/codec feature above.
320 * -metadata can now be used to set metadata on streams and chapters, e.g.
321 -metadata:s:1 language=eng sets the language of the first stream to 'eng'.
322 This made -vlang/-alang/-slang options redundant, so they were removed.
323 * -qscale option now uses stream specifiers and applies to all streams, not
324 just video. I.e. plain -qscale number would now apply to all streams. To get
325 the old behavior, use -qscale:v. Also there is now a shortcut -q for -qscale
326 and -aq is now an alias for -q:a.
327 * -vbsf/-absf/-sbsf options were removed and replaced by a -bsf option which
328 uses stream specifiers. Use -bsf:v/a/s instead of the old options.
329 * -itsscale option now uses stream specifiers, so its argument is only the
331 * -intra option was removed, use -g 0 for the same effect.
332 * -psnr option was removed, use -flags +psnr for the same effect.
333 * -vf option is now an alias to the new -filter option, which uses stream specifiers.
334 * -vframes/-aframes/-dframes options are now aliases to the new -frames option.
335 * -vtag/-atag/-stag options are now aliases to the new -tag option.
337 - Windows Media Image decoder
341 - libcdio-paranoia input device for audio CD grabbing
343 - Apple ProRes decoder
344 - CELT in Ogg demuxing
345 - VC-1 interlaced decoding
346 - lut, lutrgb, and lutyuv filters
349 - Speex encoding via libspeex
350 - 4:2:2 H.264 decoding support
351 - 4:2:2 and 4:4:4 H.264 encoding with libx264
352 - Pulseaudio input device
353 - replacement Indeo 3 decoder
354 - TLS/SSL and HTTPS protocol support
355 - AVOptions API rewritten and documented
356 - most of CODEC_FLAG2_*, some CODEC_FLAG_* and many codec-specific fields in
357 AVCodecContext deprecated. Codec private options should be used instead.
358 - Properly working defaults in libx264 wrapper, support for native presets.
359 - Encrypted OMA files support
360 - Discworld II BMV decoding support
362 - OS X Video Decoder Acceleration (VDA) support
363 - CRI ADX audio format muxer and demuxer
364 - Playstation Portable PMP format demuxer
365 - PCM format support in OMA demuxer
367 - Dxtory capture format decoder
368 - v410 QuickTime uncompressed 4:4:4 10-bit encoder and decoder
370 - Simple segmenting muxer
377 - E-AC-3 audio encoder
378 - ac3enc: add channel coupling support
379 - floating-point sample format support for (E-)AC-3, DCA, AAC, Vorbis decoders
380 - H.264/MPEG frame-level multithreading
381 - av_metadata_* functions renamed to av_dict_* and moved to libavutil
382 - 4:4:4 H.264 decoding support
383 - 10-bit H.264 optimizations for x86
384 - bump libswscale for recently reported ABI break
389 - VP8 frame-level multithreading
390 - NEON optimizations for VP8
391 - removed a lot of deprecated API cruft
392 - FFT and IMDCT optimizations for AVX (Sandy Bridge) processors
394 - SMPTE 302M AES3 audio decoder
395 - ffmpeg no longer quits after the 'q' key is pressed; use 'ctrl+c' instead
396 - 9 bits and 10 bits per sample support in the H.264 decoder
401 - WebM support in Matroska de/muxer
402 - low overhead Ogg muxing
404 - VP8 de/encoding via libvpx
405 - Demuxer for On2's IVF format
406 - Pictor/PC Paint decoder
408 - libfaad2 wrapper removed
409 - DTS-ES extension (XCh) decoding support
411 - RTSP tunneling over HTTP
412 - RTP depacketization of SVQ3
413 - -strict inofficial replaced by -strict unofficial
414 - ffplay -exitonkeydown and -exitonmousedown options added
415 - native GSM / GSM MS decoder
416 - RTP depacketization of QDM2
417 - ANSI/ASCII art playback system
418 - Lego Mindstorms RSO de/muxer
419 - SubRip subtitle file muxer and demuxer
420 - Chinese AVS encoding via libxavs
421 - ffprobe -show_packets option added
422 - RTP packetization of Theora and Vorbis
423 - RTP depacketization of MP4A-LATM
424 - RTP packetization and depacketization of VP8
426 - Apple HTTP Live Streaming demuxer
429 - G.722 ADPCM audio encoder/decoder
432 - frei0r wrapper filter
433 - change crop filter syntax to width:height:x:y
434 - make the crop filter accept parametric expressions
435 - make ffprobe accept AVFormatContext options
438 - Demuxer for Leitch/Harris' VR native stream format (LXF)
439 - RTP depacketization of the X-QT QuickTime format
440 - SAP (Session Announcement Protocol, RFC 2974) muxer and demuxer
442 - ffmpeg -crop* options removed
443 - transpose filter added
444 - ffmpeg -force_key_frames option added
445 - demuxer for receiving raw rtp:// URLs without an SDP description
446 - single stream LATM/LOAS decoder
447 - setpts filter added
448 - Win64 support for optimized x86 assembly functions
449 - MJPEG/AVI1 to JPEG/JFIF bitstream filter
450 - ASS subtitle encoder and decoder
451 - IEC 61937 encapsulation for E-AC-3, TrueHD, DTS-HD (for HDMI passthrough)
452 - overlay filter added
453 - rename aspect filter to setdar, and pixelaspect to setsar
455 - Mobotix .mxg demuxer
456 - frei0r source added
457 - hqdn3d filter added
458 - RTP depacketization of QCELP
460 - gradfun filter added
462 - replace the ocv_smooth filter with a more generic ocv filter
463 - Windows Televison (WTV) demuxer
464 - FFmpeg metadata format muxer and demuxer
465 - SubRip (srt) subtitle decoder
466 - floating-point AC-3 encoder added
468 - ffmpeg -copytb option added
470 - Wing Commander IV movies decoder added
472 - Bink version 'b' audio and video decoder
473 - Bitmap Brothers JV playback system
474 - Apple HTTP Live Streaming protocol handler
475 - sndio support for playback and record
476 - Linux framebuffer input device added
477 - Chronomaster DFA decoder
478 - Mobotix MxPEG decoder
479 - AAC encoding via libvo-aacenc
480 - AMR-WB encoding via libvo-amrwbenc
482 - fieldorder video filter added
487 - PB-frame decoding for H.263
488 - deprecated vhook subsystem removed
489 - deprecated old scaler removed
491 - Alpha channel scaler
493 - RTP packetization of H.263
494 - RTP packetization of AMR
495 - RTP depacketization of Vorbis
496 - CorePNG decoding support
497 - Cook multichannel decoding support
498 - introduced avlanguage helpers in libavformat
499 - 8088flex TMV demuxer and decoder
500 - per-stream language-tags extraction in asfdec
501 - V210 decoder and encoder
502 - remaining GPL parts in AC-3 decoder converted to LGPL
504 - SoX native format muxer and demuxer
505 - AMR-NB decoding/encoding, AMR-WB decoding via OpenCORE libraries
507 - Electronic Arts Madcow decoder
508 - DivX (XSUB) subtitle encoder
509 - nonfree libamr support for AMR-NB/WB decoding/encoding removed
510 - experimental AAC encoder
511 - RTP depacketization of ASF and RTSP from WMS servers
512 - RTMP support in libavformat
513 - noX handling for OPT_BOOL X options
515 - IEC-61937 compatible Muxer
517 - Bluray (PGS) subtitle decoder
518 - LPCM support in MPEG-TS (HDMV RID as found on Blu-ray disks)
520 - Core Audio Format demuxer
522 - MD STUDIO audio demuxer
523 - RF64 support in WAV demuxer
524 - MPEG-4 Audio Lossless Coding (ALS) decoder
525 - -formats option split into -formats, -codecs, -bsfs, and -protocols
527 - CDG demuxer and decoder
529 - Auravision Aura 1 and 2 decoders
530 - Deluxe Paint Animation playback system
532 - Adobe Filmstrip muxer and demuxer
533 - RTP depacketization of H.263
534 - Bink demuxer and audio/video decoders
535 - enable symbol versioning by default for linkers that support it
536 - IFF PBM/ILBM bitmap decoder
539 - RTP depacketization of AMR
545 - Kega Game Video (KGV1) decoder
546 - VorbisComment writing for FLAC, Ogg FLAC and Ogg Speex files
547 - RTP depacketization of Theora
548 - HTTP Digest authentication
549 - RTMP/RTMPT/RTMPS/RTMPE/RTMPTE protocol support via librtmp
550 - Psygnosis YOP demuxer and video decoder
551 - spectral extension support in the E-AC-3 decoder
552 - unsharp video filter
553 - RTP hinting in the mov/3gp/mp4 muxer
554 - Dirac in Ogg demuxing
555 - seek to keyframes in Ogg
556 - 4:2:2 and 4:4:4 Theora decoding
557 - 35% faster VP3/Theora decoding
558 - faster AAC decoding
559 - faster H.264 decoding
560 - RealAudio 1.0 (14.4K) encoder
565 - DV50 AKA DVCPRO50 encoder, decoder, muxer and demuxer
566 - TechSmith Camtasia (TSCC) video decoder
567 - IBM Ultimotion (ULTI) video decoder
568 - Sierra Online audio file demuxer and decoder
569 - Apple QuickDraw (qdrw) video decoder
570 - Creative ADPCM audio decoder (16 bits as well as 8 bits schemes)
571 - Electronic Arts Multimedia (WVE/UV2/etc.) file demuxer
572 - Miro VideoXL (VIXL) video decoder
573 - H.261 video encoder
575 - Nullsoft Video (NSV) file demuxer
576 - Shorten audio decoder
578 - Apple Lossless Audio Codec (ALAC) decoder
579 - Winnov WNV1 video decoder
580 - Autodesk Animator Studio Codec (AASC) decoder
581 - Indeo 2 video decoder
582 - Fraps FPS1 video decoder
583 - Snow video encoder/decoder
584 - Sonic audio encoder/decoder
585 - Vorbis audio decoder
586 - Macromedia ADPCM decoder
587 - Duck TrueMotion 2 video decoder
588 - support for decoding FLX and DTA extensions in FLIC files
589 - H.264 custom quantization matrices support
590 - ffserver fixed, it should now be usable again
592 - Real Cooker audio decoder
593 - TrueSpeech audio decoder
594 - WMA2 audio decoder fixed, now all files should play correctly
595 - RealAudio 14.4 and 28.8 decoders fixed
597 - build system improvements
598 - tabs and trailing whitespace removed from the codebase
599 - CamStudio video decoder
600 - AIFF/AIFF-C audio format, encoding and decoding
601 - ADTS AAC file reading and writing
602 - Creative VOC file reading and writing
603 - American Laser Games multimedia (*.mm) playback system
604 - Zip Motion Blocks Video decoder
605 - improved Theora/VP3 decoder
606 - True Audio (TTA) decoder
607 - AVS demuxer and video decoder
609 - Smacker demuxer and decoder
610 - NuppelVideo/MythTV demuxer and RTjpeg decoder
612 - MPEG-2 intra VLC support
613 - MPEG-2 4:2:2 encoder
614 - Flash Screen Video decoder
616 - Chinese AVS decoder
619 - VC-1/WMV3/WMV9 video decoder
622 - VMware video decoder
625 - WavPack lossless audio decoder
626 - Targa (.TGA) picture decoder
627 - Vorbis audio encoder
628 - Delphine Software .cin demuxer/audio and video decoder
629 - Tiertex .seq demuxer/video decoder
631 - TIFF picture encoder and decoder
632 - GIF picture decoder
633 - Intel Music Coder decoder
634 - Zip Motion Blocks Video encoder
636 - Flash Screen Video encoder
637 - Theora encoding via libtheora
640 - GSM-MS encoder and decoder
642 - DXA demuxer and decoder
644 - Gamecube movie (.THP) playback system
645 - Blackfin optimizations
646 - Interplay C93 demuxer and video decoder
647 - Bethsoft VID demuxer and video decoder
650 - V.Flash PTX decoder
651 - RoQ muxer, RoQ audio encoder
652 - Renderware TXD demuxer and decoder
653 - extern C declarations for C++ removed from headers
654 - sws_flags command line option
658 - OS/2 support removed and restored again
661 - additional SPARC (VIS) optimizations
663 - slice-based parallel H.264 decoding
664 - Monkey's Audio demuxer and decoder
665 - AMV audio and video decoder
667 - H.264 PAFF decoding
668 - Nellymoser ASAO decoder
669 - Beam Software SIFF demuxer and decoder
670 - libvorbis Vorbis decoding removed in favor of native decoder
671 - IntraX8 (J-Frame) subdecoder for WMV2 and VC-1
672 - Ogg (Theora, Vorbis and FLAC) muxer
673 - The "device" muxers and demuxers are now in a new libavdevice library
674 - PC Paintbrush PCX decoder
675 - Sun Rasterfile decoder
676 - TechnoTrend PVA demuxer
677 - Linux Media Labs MPEG-4 (LMLM4) demuxer
678 - AVM2 (Flash 9) SWF muxer
679 - QT variant of IMA ADPCM encoder
681 - iPod/iPhone compatible mp4 muxer
683 - MSN TCP Webcam stream demuxer
684 - RL2 demuxer / decoder
687 - non-recursive Makefiles
689 - MAXIS EA XA (.xa) demuxer / decoder
693 - Electronic Arts CMV decoder
694 - Motion Pixels Video decoder
695 - Motion Pixels MVI demuxer
696 - removed animated GIF decoder/demuxer
697 - D-Cinema audio muxer
698 - Electronic Arts TGV decoder
699 - Apple Lossless Audio Codec (ALAC) encoder
701 - floating point PCM encoder/decoder
703 - DV100 AKA DVCPRO HD decoder and demuxer
704 - E-AC-3 support added to AC-3 decoder
705 - Nellymoser ASAO encoder
706 - ASS and SSA demuxer and muxer
707 - liba52 wrapper removed
708 - SVQ3 watermark decoding support
709 - Speex decoding via libspeex
710 - Electronic Arts TGQ decoder
712 - QCELP / PureVoice decoder
714 - hybrid WavPack support
715 - R3D REDCODE demuxer
716 - ALSA support for playback and record
717 - Electronic Arts TQI decoder
718 - OpenJPEG based JPEG 2000 decoder
719 - NC (NC4600) camera file demuxer
720 - Gopher client support
722 - generic metadata API
727 - DV encoder, DV muxer
728 - Microsoft RLE video decoder
729 - Microsoft Video-1 decoder
730 - Apple Animation (RLE) decoder
731 - Apple Graphics (SMC) decoder
732 - Apple Video (RPZA) decoder
734 - Sega FILM (CPK) file demuxer
735 - Westwood multimedia support (VQA & AUD files)
736 - Id Quake II CIN playback support
738 - FLIC playback support
739 - RealVideo 2.0 (RV20) decoder
740 - Duck TrueMotion v1 (DUCK) video decoder
741 - Sierra VMD demuxer and video decoder
742 - MSZH and ZLIB decoder support
746 - rate distortion optimal cbp support
747 - rate distorted optimal ac prediction for MPEG-4
748 - rate distorted optimal lambda->qp support
749 - AAC encoding with libfaac
750 - Sunplus JPEG codec (SP5X) support
751 - use Lagrange multiplier instead of QP for ratecontrol
752 - Theora/VP3 decoding support
753 - XA and ADX ADPCM codecs
754 - export MPEG-2 active display area / pan scan
755 - Add support for configuring with IBM XLC
756 - floating point AAN DCT
757 - initial support for zygo video (not complete)
759 - new audio/video parser API
761 - av_read_frame() and av_seek_frame() support
762 - missing last frame fixes
763 - seek by mouse in ffplay
764 - noise reduction of DCT coefficients
765 - H.263 OBMC & 4MV support
766 - H.263 alternative inter vlc support
768 - H.263 slice structured mode
769 - interlaced DCT support for MPEG-2 encoding
770 - stuffing to stay above min_bitrate
771 - MB type & QP visualization
772 - frame stepping for ffplay
773 - interlaced motion estimation
774 - alternate scantable support
775 - SVCD scan offset support
778 - quantizer noise shaping
779 - G.726 ADPCM audio codec
781 - multithreaded/SMP motion estimation
782 - multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263
783 - multithreaded/SMP decoding for MPEG-2
785 - Metrowerks CodeWarrior suppport
786 - H.263+ custom pcf support
787 - nicer output for 'ffmpeg -formats'
789 - SGI image format, encoding and decoding
790 - H.264 loop filter support
791 - H.264 CABAC support
792 - nicer looking arrows for the motion vector visualization
793 - improved VCD support
794 - audio timestamp drift compensation
795 - MPEG-2 YUV 422/444 support
796 - polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample
797 - better image scaling
799 - correctly interleave packets during encoding
800 - VIS optimized motion compensation
801 - intra_dc_precision>0 encoding support
802 - support reuse of motion vectors/MB types/field select values of the source video
803 - more accurate deblock filter
805 - many optimizations and bugfixes
806 - FunCom ISS audio file demuxer and according ADPCM decoding
811 - MPEG-2 video encoding (Michael)
812 - Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)
813 - Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson
815 - Xan DPCM audio decoder (Mario Brito)
816 - Interplay MVE playback subsystem (Mike Melanson)
817 - Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)
822 - RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from mplayerhq
823 (originally from public domain player for Amiga at http://www.honeypot.net/audio)
824 - current version now also compiles with older GCC (Fabrice)
825 - 4X multimedia playback system including 4xm file demuxer (Mike
826 Melanson), and 4X video and audio codecs (Michael)
827 - Creative YUV (CYUV) decoder (Mike Melanson)
828 - FFV1 codec (our very simple lossless intra only codec, compresses much better
829 than HuffYUV) (Michael)
830 - ASV1 (Asus), H.264, Intel indeo3 codecs have been added (various)
831 - tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with
832 alpha support), JPEG YUV colorspace support. (Fabrice Bellard)
833 - ffplay has been replaced with a newer version which uses SDL (optionally)
834 for multiplatform support (Fabrice)
835 - Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated
837 - AMR format has been added (Johannes Carlsson)
838 - 3GP support has been added (Johannes Carlsson)
839 - VP3 codec has been added (Mike Melanson)
840 - more MPEG-1/2 fixes
841 - better multiplatform support, MS Visual Studio fixes (various)
842 - AltiVec optimizations (Magnus Damn and others)
843 - SH4 processor support has been added (BERO)
844 - new public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)
845 - VOB streaming support (Brian Foley)
846 - better MP3 autodetection (Andriy Rysin)
847 - qpel encoding (Michael)
848 - 4mv+b frames encoding finally fixed (Michael)
849 - chroma ME (Michael)
850 - 5 comparison functions for ME (Michael)
851 - B-frame encoding speedup (Michael)
852 - WMV2 codec (unfinished - Michael)
853 - user specified diamond size for EPZS (Michael)
854 - Playstation STR playback subsystem, still experimental (Mike and Michael)
855 - ASV2 codec (Michael)
856 - CLJR decoder (Alex)
858 .. And lots more new enhancements and fixes.
863 - completely new integer only MPEG audio layer 1/2/3 decoder rewritten
865 - Recoded DCT and motion vector search with gcc (no longer depends on nasm)
866 - fix quantization bug in AC3 encoder
867 - added PCM codecs and format. Corrected WAV/AVI/ASF PCM issues
868 - added prototype ffplay program
869 - added GOB header parsing on H.263/H.263+ decoder (Juanjo)
870 - bug fix on MCBPC tables of H.263 (Juanjo)
871 - bug fix on DC coefficients of H.263 (Juanjo)
872 - added Advanced Prediction Mode on H.263/H.263+ decoder (Juanjo)
873 - now we can decode H.263 streams found in QuickTime files (Juanjo)
874 - now we can decode H.263 streams found in VIVO v1 files(Juanjo)
875 - preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)
876 - added GOB header for H.263/H.263+ coding on RTP mode (Juanjo)
877 - now H.263 picture size is returned on the first decoded frame (Juanjo)
878 - added first regression tests
879 - added MPEG-2 TS demuxer
880 - new demux API for libav
881 - more accurate and faster IDCT (Michael)
882 - faster and entropy-controlled motion search (Michael)
883 - two pass video encoding (Michael)
884 - new video rate control (Michael)
885 - added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)
886 - great performance improvement of video encoders and decoders (Michael)
887 - new and faster bit readers and vlc parsers (Michael)
888 - high quality encoding mode: tries all macroblock/VLC types (Michael)
889 - added DV video decoder
890 - preliminary RTP/RTSP support in ffserver and libavformat
891 - H.263+ AIC decoding/encoding support (Juanjo)
892 - VCD MPEG-PS mode (Juanjo)
893 - PSNR stuff (Juanjo)
894 - simple stats output (Juanjo)
895 - 16-bit and 15-bit RGB/BGR/GBR support (Bisqwit)
900 - some header fixes (Zdenek Kabelac <kabi at informatics.muni.cz>)
901 - many MMX optimizations (Nick Kurshev <nickols_k at mail.ru>)
902 - added configure system (actually a small shell script)
903 - added MPEG audio layer 1/2/3 decoding using LGPL'ed mpglib by
904 Michael Hipp (temporary solution - waiting for integer only
906 - fixed VIDIOCSYNC interrupt
907 - added Intel H.263 decoding support ('I263' AVI fourCC)
908 - added Real Video 1.0 decoding (needs further testing)
909 - simplified image formats again. Added PGM format (=grey
910 pgm). Renamed old PGM to PGMYUV.
911 - fixed msmpeg4 slice issues (tell me if you still find problems)
912 - fixed OpenDivX bugs with newer versions (added VOL header decoding)
913 - added support for MPlayer interface
914 - added macroblock skip optimization
915 - added MJPEG decoder
916 - added mmx/mmxext IDCT from libmpeg2
917 - added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer
918 <celer at shell.scrypt.net>)
919 - added pixel format conversion layer (e.g. for MJPEG or PPM)
920 - added deinterlacing option
922 - MPEG-4 vol header fixes (Jonathan Marsden <snmjbm at pacbell.net>)
923 - ARM optimizations (Lionel Ulmer <lionel.ulmer at free.fr>).
924 - Windows porting of file converter
925 - added MJPEG raw format (input/ouput)
926 - added JPEG image format support (input/output)
931 - fixed some std header definitions (Bjorn Lindgren
932 <bjorn.e.lindgren at telia.com>).
933 - added MPEG demuxer (MPEG-1 and 2 compatible).
935 - added prototype RM demuxer
936 - added AC3 decoding (done with libac3 by Aaron Holtzman)
937 - added decoding codec parameter guessing (.e.g. for MPEG, because the
938 header does not include them)
939 - fixed header generation in MPEG-1, AVI and ASF muxer: wmplayer can now
940 play them (only tested video)
941 - fixed H.263 white bug
942 - fixed phase rounding in img resample filter
943 - add MMX code for polyphase img resample filter
944 - added CPU autodetection
945 - added generic title/author/copyright/comment string handling (ASF and RM
947 - added SWF demux to extract MP3 track (not usable yet because no MP3
949 - added fractional frame rate support
950 - codecs are no longer searched by read_header() (should fix ffserver
956 - BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq at amsat.org>)
957 - fixed raw yuv output
958 - added motion rounding support in MPEG-4
959 - fixed motion bug rounding in MSMPEG4
960 - added B-frame handling in video core
961 - added full MPEG-1 decoding support
962 - added partial (frame only) MPEG-2 support
963 - changed the FOURCC code for H.263 to "U263" to be able to see the
964 +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with
965 this +codec ;) (JuanJo).
966 - Halfpel motion estimation after MB type selection (JuanJo)
967 - added pgm and .Y.U.V output format
968 - suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or
970 - added pgmpipe I/O format (original patch from Martin Aumueller
971 <lists at reserv.at>, but changed completely since we use a format
972 instead of a protocol)
977 - added H.263/MPEG-4/MSMPEG4 decoding support. MPEG-4 decoding support
978 (for OpenDivX) is almost complete: 8x8 MVs and rounding are
979 missing. MSMPEG4 support is complete.
980 - added prototype MPEG-1 decoder. Only I- and P-frames handled yet (it
981 can decode ffmpeg MPEGs :-)).
982 - added libavcodec API documentation (see apiexample.c).
983 - fixed image polyphase bug (the bottom of some images could be
985 - added support for non clipped motion vectors (decoding only)
986 and image sizes non-multiple of 16
987 - added support for AC prediction (decoding only)
988 - added file overwrite confirmation (can be disabled with -y)
989 - added custom size picture to H.263 using H.263+ (Juanjo)
994 - added MSMPEG4 (aka DivX) compatible encoder. Changed default codec
995 of AVI and ASF to DIV3.
996 - added -me option to set motion estimation method
997 (default=log). suppressed redundant -hq option.
998 - added options -acodec and -vcodec to force a given codec (useful for
1001 - improved dct_quantize speed
1002 - factorized some motion estimation code
1007 - removing grab code from ffserver and moved it to ffmpeg. Added
1008 multistream support to ffmpeg.
1009 - added timeshifting support for live feeds (option ?date=xxx in the
1011 - added high quality image resize code with polyphase filter (need
1012 mmx/see optimization). Enable multiple image size support in ffserver.
1013 - added multi live feed support in ffserver
1014 - suppressed master feature from ffserver (it should be done with an
1015 external program which opens the .ffm url and writes it to another
1017 - added preliminary support for video stream parsing (WAV and AVI half
1018 done). Added proper support for audio/video file conversion in
1020 - added preliminary support for video file sending from ffserver
1021 - redesigning I/O subsystem: now using URL based input and output
1023 - added WAV format support
1024 - added "tty user interface" to ffmpeg to stop grabbing gracefully
1025 - added MMX/SSE optimizations to SAD (Sums of Absolutes Differences)
1026 (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo at atmlab.utfsm.cl>)
1027 - added MMX DCT from mpeg2_movie 1.5 (Juanjo)
1028 - added new motion estimation algorithms, log and phods (Juanjo)
1029 - changed directories: libav for format handling, libavcodec for
1035 - added stereo in MPEG audio encoder
1040 - added 'high quality' mode which use motion vectors. It can be used in
1041 real time at low resolution.
1042 - fixed rounding problems which caused quality problems at high
1043 bitrates and large GOP size
1046 version 0.3.2: small fixes
1052 version 0.3.1: added avi/divx support
1055 - added MPEG-4 codec compatible with OpenDivX. It is based on the H.263 codec
1056 - added sound for flash format (not tested)
1059 version 0.3: initial public release