1 Entries are sorted chronologically from oldest to youngest within each release,
2 releases are sorted from youngest to oldest.
5 - aliases and defaults for Ogg subtypes (opus, spx)
6 - HEVC/H.265 RTP payload format (draft v6) packetizer and depacketizer
7 - avplay now exits by default at the end of playback
8 - XCB-based screen-grabber
9 - creating DASH compatible fragmented MP4, MPEG-DASH segmenting muxer
10 - H.261 RTP payload format (RFC 4587) depacketizer and experimental packetizer
13 - OpenH264 encoder wrapper
14 - Support DNx100 (960x720@8)
15 - Direct3D11-accelerated decoding
16 - DXVA2-accelerated HEVC decoding
17 - AAC ELD 480 decoding
18 - Intel QSV-accelerated H.264 decoding
19 - DSS SP decoder and DSS demuxer
20 - RTP depacketizer for AC3 payload format (RFC 4184)
21 - RTP depacketizer for loss tolerant payload format for MP3 audio (RFC 5219)
22 - RTP depacketizer for DV (RFC 6469)
24 - RTP depacketization of T.140 text (RFC 4103)
25 - VP9 RTP payload format (draft 0) experimental depacketizer
27 - DTS lossless extension (XLL) decoding (not lossless, disabled by default)
28 - Intel QSV-accelerated H.264 encoding
29 - MMAL-accelerated H.264 decoding
30 - DTS decoding through libdcadec
31 - Canopus HQ/HQA decoder
32 - Automatically rotate videos based on metadata in avconv
33 - improved Quickdraw compatibility
34 - NVIDIA NVENC-accelerated H.264 and HEVC encoding support
35 - Multipart JPEG demuxer
36 - Support the extended vp9 profiles in the libvpx wrapper
37 - Hap decoder and encoder
38 - DirectDraw Surface image/texture decoder
39 - rewritten ASF demuxer
40 - Go2Meeting decoding support
41 - Intel QSV-accelerated MPEG-2 video and HEVC encoding
42 - bitstream filter for converting HEVC from MP4 to Annex B
43 - Intel QSV-accelerated MPEG-2 video and HEVC decoding
44 - Support DNx100 (1440x1080@8)
46 - Screenpresso SPV1 decoding
47 - zero-copy Intel QSV transcoding in avconv
48 - libkvazaar HEVC encoder
49 - innoHeim/Rsupport Screen Capture Codec decoder
50 - support encoding 16-bit RLE SGI images
51 - support Apple AVFoundation video capture
52 - G.723.1 muxer and encoder
54 - VAAPI-accelerated format conversion and scaling
55 - libnpp/CUDA-accelerated format conversion and scaling
56 - VAAPI-accelerate H.264/HEVC/MJPEG encoding
57 - Generic OpenMAX IL encoder with support for Raspberry Pi
58 - MMAL-accelerated MPEG-2 and VC-1 decoding
61 - Duck TrueMotion 2.0 Real Time decoder
62 - Intel QSV video scaling filter
63 - OpenH264 decoder wrapper
68 - shuffleplanes filter
69 - replaygain data export
70 - Alias PIX image encoder and decoder
71 - BRender PIX image decoder
72 - Amazing Studio PAF playback support
74 - BMP standalone parser
75 - OpenEXR image decoder
76 - support encoding and decoding 4-channel SGI images
77 - support decoding 16-bit RLE SGI images
79 - LucasArts SMUSH SANM video decoder
80 - LucasArts SMUSH VIMA audio decoder (ADPCM)
81 - LucasArts SMUSH demuxer
82 - MP2 encoding via TwoLAME
84 - Silicon Graphics RLE 8-bit video decoder
85 - Silicon Graphics Motion Video Compressor 1 & 2 decoder
86 - Silicon Graphics Movie demuxer
87 - On2 AVC (Audio for Video) decoder
88 - support for decoding through DXVA2 in avconv
89 - libbs2b-based stereo-to-binaural audio filter
91 - display matrix export and rotation API
92 - drop avserver, it was unmaintained for years and largely broken
94 - request Icecast metadata by default
95 - support for using metadata in stream specifiers in avtools
101 - support ID3v2 tags in ASF files
102 - reference-counting for AVFrame and AVPacket data
103 - avconv now fails when input options are used for output file
105 - avconv options -filter_script and -filter_complex_script, which allow a
106 filtergraph description to be read from a file
107 - uniform options syntax across all filters
110 - asetpts filter (same as setpts, but for audio)
111 - trim and atrim filters
112 - avconv -t and -ss (output-only) options are now sample-accurate when
114 - Matroska muxer can now put the index at the beginning of the file.
115 - avconv -deinterlace option removed, the yadif filter should be used instead
116 - Apple Intermediate Codec decoder
117 - Escape 130 video decoder
118 - support for slice multithreading in libavfilter
119 - VC-1 interlaced B-frame support
120 - support for WavPack muxing (raw and in Matroska)
122 - WavPack encoding through libwavpack
123 - Added the -n parameter to avconv
125 - when transcoding with avconv (i.e. not streamcopying), -ss is now accurate
126 even when used as an input option. Previous behavior can be restored with
127 the -noaccurate_seek option.
128 - avconv -t option can now be used for inputs, to limit the duration of
129 data read from an input file
130 - Voxware MetaSound decoder
132 - Error Resilient AAC syntax (ER AAC LC) decoding
133 - Low Delay AAC (ER AAC LD) decoding
134 - mux chapters in ASF files
135 - Opus in Ogg demuxing
136 - Enhanced Low Delay AAC (ER AAC ELD) decoding (no LD SBR support)
138 - HNM version 4 demuxer and video decoder
140 - raw HEVC, HEVC in MOV/MP4, HEVC in Matroska, HEVC in MPEG-TS demuxing
141 - remove avplay -vismv option, which has not worked for a long time
143 - setsar/setdar filters now support variables in ratio expressions
144 - dar variable in the scale filter now returns the actual DAR (i.e. a * sar)
146 - support for decoding through VDPAU in avconv (the -hwaccel option)
147 - remove mp3_header_(de)compress bitstream filters
148 - stereoscopic 3d metadata handling
149 - png standalone parser
150 - WebP encoding via libwebp
153 - Mirillis FIC video decoder
155 - compand audio filter
159 - av_basename and av_dirname
160 - adobe and limelight publisher authentication in RTMP
161 - VDPAU hardware acceleration through normal hwaccel
166 - ashowinfo audio filter
167 - 24-bit FLAC encoding
168 - audio volume filter
169 - deprecated the avconv -vol option. the volume filter is to be used instead.
170 - multi-channel ALAC encoding up to 7.1
171 - TAK demuxer, parser, and decoder
172 - adaptive frame-level multithreading for H.264
176 - metadata (INFO tag) support in WAV muxer
177 - support for building DLLs using MSVC
178 - remove avserver daemon mode
179 - support building on the Plan 9 operating system
180 - ffv1: support version 1.3
185 - XWD encoder and decoder
186 - Support for fragmentation in the mov/mp4 muxer
187 - ISMV (Smooth Streaming) muxer
188 - CDXL demuxer and decoder
189 - Apple ProRes encoder
190 - Sun Rasterfile Encoder
192 - ID3v2 attached pictures reading and writing
193 - WMA Lossless decoder
195 - RealAudio Lossless decoder
197 - drop support for avconv without libavfilter
198 - add libavresample audio conversion library
199 - audio filters support in libavfilter and avconv
203 - avprobe output is now standard INI or JSON. The old format can still
204 be used with -of old.
205 - Indeo Audio decoder
206 - channelsplit audio filter
207 - RTMPT protocol support
208 - iLBC encoding/decoding via libilbc
209 - Microsoft Screen 1 decoder
211 - audio channel mapping filter
212 - Microsoft ATC Screen decoder
214 - TechSmith Screen Codec 2 decoder
215 - AAC encoding via libfdk-aac
216 - Microsoft Expression Encoder Screen decoder
217 - RTMPS protocol support
218 - RTMPTS protocol support
219 - JPEG 2000 encoding support through OpenJPEG
220 - G.723.1 demuxer and decoder
221 - RTMPE protocol support
222 - RTMPTE protocol support
223 - Canopus Lossless Codec decoder
224 - avconv -shortest option is now per-output file,
225 -pass and -passlogfile are now per-output stream
227 - Microsoft Screen 2 decoder
228 - RTP depacketization of JPEG
229 - Smooth Streaming live segmenter muxer
230 - RTP packetization of JPEG
231 - Opus decoder and encoder using libopus
232 - remove -same_quant, it hasn't worked for years
233 - support for building with MSVC
244 - Automatic thread count based on detection number of (available) CPU cores
245 - Deprecate libpostproc. If desired, the switch --enable-postproc will
246 enable it but it may be removed in a later Libav release.
247 - rv34: frame-level multi-threading
248 - optimized iMDCT transform on x86 using SSE for for mpegaudiodec
254 - Flash Screen Video 2 decoder
255 - ffplay/ffprobe/ffserver renamed to avplay/avprobe/avserver
256 - ffmpeg deprecated, added avconv, which is almost the same for now, except
257 for a few incompatible changes in the options, which will hopefully make them
258 easier to use. The changes are:
259 * The options placement is now strictly enforced! While in theory the
260 options for ffmpeg should be given in [input options] -i INPUT [output
261 options] OUTPUT order, in practice it was possible to give output options
262 before the -i and it mostly worked. Except when it didn't - the behavior was
263 a bit inconsistent. In avconv, it is not possible to mix input and output
264 options. All non-global options are reset after an input or output filename.
265 * All per-file options are now truly per-file - they apply only to the next
266 input or output file and specifying different values for different files
267 will now work properly (notably -ss and -t options).
268 * All per-stream options are now truly per-stream - it is possible to
269 specify which stream(s) should a given option apply to. See the Stream
270 specifiers section in the avconv manual for details.
271 * In ffmpeg some options (like -newvideo/-newaudio/...) are irregular in the
272 sense that they're specified after the output filename instead of before,
273 like all other options. In avconv this irregularity is removed, all options
274 apply to the next input or output file.
275 * -newvideo/-newaudio/-newsubtitle options were removed. Not only were they
276 irregular and highly confusing, they were also redundant. In avconv the -map
277 option will create new streams in the output file and map input streams to
278 them. E.g. avconv -i INPUT -map 0 OUTPUT will create an output stream for
279 each stream in the first input file.
280 * The -map option now has slightly different and more powerful syntax:
281 + Colons (':') are used to separate file index/stream type/stream index
282 instead of dots. Comma (',') is used to separate the sync stream instead
283 of colon.. This is done for consistency with other options.
284 + It's possible to specify stream type. E.g. -map 0:a:2 creates an
285 output stream from the third input audio stream.
286 + Omitting the stream index now maps all the streams of the given type,
287 not just the first. E.g. -map 0:s creates output streams for all the
288 subtitle streams in the first input file.
289 + Since -map can now match multiple streams, negative mappings were
290 introduced. Negative mappings disable some streams from an already
291 defined map. E.g. '-map 0 -map -0:a:1' means 'create output streams for
292 all the stream in the first input file, except for the second audio
294 * There is a new option -c (or -codec) for choosing the decoder/encoder to
295 use, which allows to precisely specify target stream(s) consistently with
296 other options. E.g. -c:v lib264 sets the codec for all video streams, -c:a:0
297 libvorbis sets the codec for the first audio stream and -c copy copies all
298 the streams without reencoding. Old -vcodec/-acodec/-scodec options are now
300 * It is now possible to precisely specify which stream should an AVOption
301 apply to. E.g. -b:v:0 2M sets the bitrate for the first video stream, while
302 -b:a 128k sets the bitrate for all audio streams. Note that the old -ab 128k
303 syntax is deprecated and will stop working soon.
304 * -map_chapters now takes only an input file index and applies to the next
305 output file. This is consistent with how all the other options work.
306 * -map_metadata now takes only an input metadata specifier and applies to
307 the next output file. Output metadata specifier is now part of the option
308 name, similarly to the AVOptions/map/codec feature above.
309 * -metadata can now be used to set metadata on streams and chapters, e.g.
310 -metadata:s:1 language=eng sets the language of the first stream to 'eng'.
311 This made -vlang/-alang/-slang options redundant, so they were removed.
312 * -qscale option now uses stream specifiers and applies to all streams, not
313 just video. I.e. plain -qscale number would now apply to all streams. To get
314 the old behavior, use -qscale:v. Also there is now a shortcut -q for -qscale
315 and -aq is now an alias for -q:a.
316 * -vbsf/-absf/-sbsf options were removed and replaced by a -bsf option which
317 uses stream specifiers. Use -bsf:v/a/s instead of the old options.
318 * -itsscale option now uses stream specifiers, so its argument is only the
320 * -intra option was removed, use -g 0 for the same effect.
321 * -psnr option was removed, use -flags +psnr for the same effect.
322 * -vf option is now an alias to the new -filter option, which uses stream specifiers.
323 * -vframes/-aframes/-dframes options are now aliases to the new -frames option.
324 * -vtag/-atag/-stag options are now aliases to the new -tag option.
326 - Windows Media Image decoder
330 - libcdio-paranoia input device for audio CD grabbing
332 - Apple ProRes decoder
333 - CELT in Ogg demuxing
334 - VC-1 interlaced decoding
335 - lut, lutrgb, and lutyuv filters
338 - Speex encoding via libspeex
339 - 4:2:2 H.264 decoding support
340 - 4:2:2 and 4:4:4 H.264 encoding with libx264
341 - Pulseaudio input device
342 - replacement Indeo 3 decoder
343 - TLS/SSL and HTTPS protocol support
344 - AVOptions API rewritten and documented
345 - most of CODEC_FLAG2_*, some CODEC_FLAG_* and many codec-specific fields in
346 AVCodecContext deprecated. Codec private options should be used instead.
347 - Properly working defaults in libx264 wrapper, support for native presets.
348 - Encrypted OMA files support
349 - Discworld II BMV decoding support
351 - OS X Video Decoder Acceleration (VDA) support
352 - CRI ADX audio format muxer and demuxer
353 - Playstation Portable PMP format demuxer
354 - PCM format support in OMA demuxer
356 - Dxtory capture format decoder
357 - v410 QuickTime uncompressed 4:4:4 10-bit encoder and decoder
359 - Simple segmenting muxer
366 - E-AC-3 audio encoder
367 - ac3enc: add channel coupling support
368 - floating-point sample format support for (E-)AC-3, DCA, AAC, Vorbis decoders
369 - H.264/MPEG frame-level multithreading
370 - av_metadata_* functions renamed to av_dict_* and moved to libavutil
371 - 4:4:4 H.264 decoding support
372 - 10-bit H.264 optimizations for x86
373 - bump libswscale for recently reported ABI break
378 - VP8 frame-level multithreading
379 - NEON optimizations for VP8
380 - removed a lot of deprecated API cruft
381 - FFT and IMDCT optimizations for AVX (Sandy Bridge) processors
383 - SMPTE 302M AES3 audio decoder
384 - ffmpeg no longer quits after the 'q' key is pressed; use 'ctrl+c' instead
385 - 9 bits and 10 bits per sample support in the H.264 decoder
390 - WebM support in Matroska de/muxer
391 - low overhead Ogg muxing
393 - VP8 de/encoding via libvpx
394 - Demuxer for On2's IVF format
395 - Pictor/PC Paint decoder
397 - libfaad2 wrapper removed
398 - DTS-ES extension (XCh) decoding support
400 - RTSP tunneling over HTTP
401 - RTP depacketization of SVQ3
402 - -strict inofficial replaced by -strict unofficial
403 - ffplay -exitonkeydown and -exitonmousedown options added
404 - native GSM / GSM MS decoder
405 - RTP depacketization of QDM2
406 - ANSI/ASCII art playback system
407 - Lego Mindstorms RSO de/muxer
408 - SubRip subtitle file muxer and demuxer
409 - Chinese AVS encoding via libxavs
410 - ffprobe -show_packets option added
411 - RTP packetization of Theora and Vorbis
412 - RTP depacketization of MP4A-LATM
413 - RTP packetization and depacketization of VP8
415 - Apple HTTP Live Streaming demuxer
418 - G.722 ADPCM audio encoder/decoder
421 - frei0r wrapper filter
422 - change crop filter syntax to width:height:x:y
423 - make the crop filter accept parametric expressions
424 - make ffprobe accept AVFormatContext options
427 - Demuxer for Leitch/Harris' VR native stream format (LXF)
428 - RTP depacketization of the X-QT QuickTime format
429 - SAP (Session Announcement Protocol, RFC 2974) muxer and demuxer
431 - ffmpeg -crop* options removed
432 - transpose filter added
433 - ffmpeg -force_key_frames option added
434 - demuxer for receiving raw rtp:// URLs without an SDP description
435 - single stream LATM/LOAS decoder
436 - setpts filter added
437 - Win64 support for optimized x86 assembly functions
438 - MJPEG/AVI1 to JPEG/JFIF bitstream filter
439 - ASS subtitle encoder and decoder
440 - IEC 61937 encapsulation for E-AC-3, TrueHD, DTS-HD (for HDMI passthrough)
441 - overlay filter added
442 - rename aspect filter to setdar, and pixelaspect to setsar
444 - Mobotix .mxg demuxer
445 - frei0r source added
446 - hqdn3d filter added
447 - RTP depacketization of QCELP
449 - gradfun filter added
451 - replace the ocv_smooth filter with a more generic ocv filter
452 - Windows Televison (WTV) demuxer
453 - FFmpeg metadata format muxer and demuxer
454 - SubRip (srt) subtitle decoder
455 - floating-point AC-3 encoder added
457 - ffmpeg -copytb option added
459 - Wing Commander IV movies decoder added
461 - Bink version 'b' audio and video decoder
462 - Bitmap Brothers JV playback system
463 - Apple HTTP Live Streaming protocol handler
464 - sndio support for playback and record
465 - Linux framebuffer input device added
466 - Chronomaster DFA decoder
467 - Mobotix MxPEG decoder
468 - AAC encoding via libvo-aacenc
469 - AMR-WB encoding via libvo-amrwbenc
471 - fieldorder video filter added
476 - PB-frame decoding for H.263
477 - deprecated vhook subsystem removed
478 - deprecated old scaler removed
480 - Alpha channel scaler
482 - RTP packetization of H.263
483 - RTP packetization of AMR
484 - RTP depacketization of Vorbis
485 - CorePNG decoding support
486 - Cook multichannel decoding support
487 - introduced avlanguage helpers in libavformat
488 - 8088flex TMV demuxer and decoder
489 - per-stream language-tags extraction in asfdec
490 - V210 decoder and encoder
491 - remaining GPL parts in AC-3 decoder converted to LGPL
493 - SoX native format muxer and demuxer
494 - AMR-NB decoding/encoding, AMR-WB decoding via OpenCORE libraries
496 - Electronic Arts Madcow decoder
497 - DivX (XSUB) subtitle encoder
498 - nonfree libamr support for AMR-NB/WB decoding/encoding removed
499 - experimental AAC encoder
500 - RTP depacketization of ASF and RTSP from WMS servers
501 - RTMP support in libavformat
502 - noX handling for OPT_BOOL X options
504 - IEC-61937 compatible Muxer
506 - Bluray (PGS) subtitle decoder
507 - LPCM support in MPEG-TS (HDMV RID as found on Blu-ray disks)
509 - Core Audio Format demuxer
511 - MD STUDIO audio demuxer
512 - RF64 support in WAV demuxer
513 - MPEG-4 Audio Lossless Coding (ALS) decoder
514 - -formats option split into -formats, -codecs, -bsfs, and -protocols
516 - CDG demuxer and decoder
518 - Auravision Aura 1 and 2 decoders
519 - Deluxe Paint Animation playback system
521 - Adobe Filmstrip muxer and demuxer
522 - RTP depacketization of H.263
523 - Bink demuxer and audio/video decoders
524 - enable symbol versioning by default for linkers that support it
525 - IFF PBM/ILBM bitmap decoder
528 - RTP depacketization of AMR
534 - Kega Game Video (KGV1) decoder
535 - VorbisComment writing for FLAC, Ogg FLAC and Ogg Speex files
536 - RTP depacketization of Theora
537 - HTTP Digest authentication
538 - RTMP/RTMPT/RTMPS/RTMPE/RTMPTE protocol support via librtmp
539 - Psygnosis YOP demuxer and video decoder
540 - spectral extension support in the E-AC-3 decoder
541 - unsharp video filter
542 - RTP hinting in the mov/3gp/mp4 muxer
543 - Dirac in Ogg demuxing
544 - seek to keyframes in Ogg
545 - 4:2:2 and 4:4:4 Theora decoding
546 - 35% faster VP3/Theora decoding
547 - faster AAC decoding
548 - faster H.264 decoding
549 - RealAudio 1.0 (14.4K) encoder
554 - DV50 AKA DVCPRO50 encoder, decoder, muxer and demuxer
555 - TechSmith Camtasia (TSCC) video decoder
556 - IBM Ultimotion (ULTI) video decoder
557 - Sierra Online audio file demuxer and decoder
558 - Apple QuickDraw (qdrw) video decoder
559 - Creative ADPCM audio decoder (16 bits as well as 8 bits schemes)
560 - Electronic Arts Multimedia (WVE/UV2/etc.) file demuxer
561 - Miro VideoXL (VIXL) video decoder
562 - H.261 video encoder
564 - Nullsoft Video (NSV) file demuxer
565 - Shorten audio decoder
567 - Apple Lossless Audio Codec (ALAC) decoder
568 - Winnov WNV1 video decoder
569 - Autodesk Animator Studio Codec (AASC) decoder
570 - Indeo 2 video decoder
571 - Fraps FPS1 video decoder
572 - Snow video encoder/decoder
573 - Sonic audio encoder/decoder
574 - Vorbis audio decoder
575 - Macromedia ADPCM decoder
576 - Duck TrueMotion 2 video decoder
577 - support for decoding FLX and DTA extensions in FLIC files
578 - H.264 custom quantization matrices support
579 - ffserver fixed, it should now be usable again
581 - Real Cooker audio decoder
582 - TrueSpeech audio decoder
583 - WMA2 audio decoder fixed, now all files should play correctly
584 - RealAudio 14.4 and 28.8 decoders fixed
586 - build system improvements
587 - tabs and trailing whitespace removed from the codebase
588 - CamStudio video decoder
589 - AIFF/AIFF-C audio format, encoding and decoding
590 - ADTS AAC file reading and writing
591 - Creative VOC file reading and writing
592 - American Laser Games multimedia (*.mm) playback system
593 - Zip Motion Blocks Video decoder
594 - improved Theora/VP3 decoder
595 - True Audio (TTA) decoder
596 - AVS demuxer and video decoder
598 - Smacker demuxer and decoder
599 - NuppelVideo/MythTV demuxer and RTjpeg decoder
601 - MPEG-2 intra VLC support
602 - MPEG-2 4:2:2 encoder
603 - Flash Screen Video decoder
605 - Chinese AVS decoder
608 - VC-1/WMV3/WMV9 video decoder
611 - VMware video decoder
614 - WavPack lossless audio decoder
615 - Targa (.TGA) picture decoder
616 - Vorbis audio encoder
617 - Delphine Software .cin demuxer/audio and video decoder
618 - Tiertex .seq demuxer/video decoder
620 - TIFF picture encoder and decoder
621 - GIF picture decoder
622 - Intel Music Coder decoder
623 - Zip Motion Blocks Video encoder
625 - Flash Screen Video encoder
626 - Theora encoding via libtheora
629 - GSM-MS encoder and decoder
631 - DXA demuxer and decoder
633 - Gamecube movie (.THP) playback system
634 - Blackfin optimizations
635 - Interplay C93 demuxer and video decoder
636 - Bethsoft VID demuxer and video decoder
639 - V.Flash PTX decoder
640 - RoQ muxer, RoQ audio encoder
641 - Renderware TXD demuxer and decoder
642 - extern C declarations for C++ removed from headers
643 - sws_flags command line option
647 - OS/2 support removed and restored again
650 - additional SPARC (VIS) optimizations
652 - slice-based parallel H.264 decoding
653 - Monkey's Audio demuxer and decoder
654 - AMV audio and video decoder
656 - H.264 PAFF decoding
657 - Nellymoser ASAO decoder
658 - Beam Software SIFF demuxer and decoder
659 - libvorbis Vorbis decoding removed in favor of native decoder
660 - IntraX8 (J-Frame) subdecoder for WMV2 and VC-1
661 - Ogg (Theora, Vorbis and FLAC) muxer
662 - The "device" muxers and demuxers are now in a new libavdevice library
663 - PC Paintbrush PCX decoder
664 - Sun Rasterfile decoder
665 - TechnoTrend PVA demuxer
666 - Linux Media Labs MPEG-4 (LMLM4) demuxer
667 - AVM2 (Flash 9) SWF muxer
668 - QT variant of IMA ADPCM encoder
670 - iPod/iPhone compatible mp4 muxer
672 - MSN TCP Webcam stream demuxer
673 - RL2 demuxer / decoder
676 - non-recursive Makefiles
678 - MAXIS EA XA (.xa) demuxer / decoder
682 - Electronic Arts CMV decoder
683 - Motion Pixels Video decoder
684 - Motion Pixels MVI demuxer
685 - removed animated GIF decoder/demuxer
686 - D-Cinema audio muxer
687 - Electronic Arts TGV decoder
688 - Apple Lossless Audio Codec (ALAC) encoder
690 - floating point PCM encoder/decoder
692 - DV100 AKA DVCPRO HD decoder and demuxer
693 - E-AC-3 support added to AC-3 decoder
694 - Nellymoser ASAO encoder
695 - ASS and SSA demuxer and muxer
696 - liba52 wrapper removed
697 - SVQ3 watermark decoding support
698 - Speex decoding via libspeex
699 - Electronic Arts TGQ decoder
701 - QCELP / PureVoice decoder
703 - hybrid WavPack support
704 - R3D REDCODE demuxer
705 - ALSA support for playback and record
706 - Electronic Arts TQI decoder
707 - OpenJPEG based JPEG 2000 decoder
708 - NC (NC4600) camera file demuxer
709 - Gopher client support
711 - generic metadata API
716 - DV encoder, DV muxer
717 - Microsoft RLE video decoder
718 - Microsoft Video-1 decoder
719 - Apple Animation (RLE) decoder
720 - Apple Graphics (SMC) decoder
721 - Apple Video (RPZA) decoder
723 - Sega FILM (CPK) file demuxer
724 - Westwood multimedia support (VQA & AUD files)
725 - Id Quake II CIN playback support
727 - FLIC playback support
728 - RealVideo 2.0 (RV20) decoder
729 - Duck TrueMotion v1 (DUCK) video decoder
730 - Sierra VMD demuxer and video decoder
731 - MSZH and ZLIB decoder support
735 - rate distortion optimal cbp support
736 - rate distorted optimal ac prediction for MPEG-4
737 - rate distorted optimal lambda->qp support
738 - AAC encoding with libfaac
739 - Sunplus JPEG codec (SP5X) support
740 - use Lagrange multiplier instead of QP for ratecontrol
741 - Theora/VP3 decoding support
742 - XA and ADX ADPCM codecs
743 - export MPEG-2 active display area / pan scan
744 - Add support for configuring with IBM XLC
745 - floating point AAN DCT
746 - initial support for zygo video (not complete)
748 - new audio/video parser API
750 - av_read_frame() and av_seek_frame() support
751 - missing last frame fixes
752 - seek by mouse in ffplay
753 - noise reduction of DCT coefficients
754 - H.263 OBMC & 4MV support
755 - H.263 alternative inter vlc support
757 - H.263 slice structured mode
758 - interlaced DCT support for MPEG-2 encoding
759 - stuffing to stay above min_bitrate
760 - MB type & QP visualization
761 - frame stepping for ffplay
762 - interlaced motion estimation
763 - alternate scantable support
764 - SVCD scan offset support
767 - quantizer noise shaping
768 - G.726 ADPCM audio codec
770 - multithreaded/SMP motion estimation
771 - multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263
772 - multithreaded/SMP decoding for MPEG-2
774 - Metrowerks CodeWarrior suppport
775 - H.263+ custom pcf support
776 - nicer output for 'ffmpeg -formats'
778 - SGI image format, encoding and decoding
779 - H.264 loop filter support
780 - H.264 CABAC support
781 - nicer looking arrows for the motion vector visualization
782 - improved VCD support
783 - audio timestamp drift compensation
784 - MPEG-2 YUV 422/444 support
785 - polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample
786 - better image scaling
788 - correctly interleave packets during encoding
789 - VIS optimized motion compensation
790 - intra_dc_precision>0 encoding support
791 - support reuse of motion vectors/MB types/field select values of the source video
792 - more accurate deblock filter
794 - many optimizations and bugfixes
795 - FunCom ISS audio file demuxer and according ADPCM decoding
800 - MPEG-2 video encoding (Michael)
801 - Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)
802 - Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson
804 - Xan DPCM audio decoder (Mario Brito)
805 - Interplay MVE playback subsystem (Mike Melanson)
806 - Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)
811 - RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from mplayerhq
812 (originally from public domain player for Amiga at http://www.honeypot.net/audio)
813 - current version now also compiles with older GCC (Fabrice)
814 - 4X multimedia playback system including 4xm file demuxer (Mike
815 Melanson), and 4X video and audio codecs (Michael)
816 - Creative YUV (CYUV) decoder (Mike Melanson)
817 - FFV1 codec (our very simple lossless intra only codec, compresses much better
818 than HuffYUV) (Michael)
819 - ASV1 (Asus), H.264, Intel indeo3 codecs have been added (various)
820 - tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with
821 alpha support), JPEG YUV colorspace support. (Fabrice Bellard)
822 - ffplay has been replaced with a newer version which uses SDL (optionally)
823 for multiplatform support (Fabrice)
824 - Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated
826 - AMR format has been added (Johannes Carlsson)
827 - 3GP support has been added (Johannes Carlsson)
828 - VP3 codec has been added (Mike Melanson)
829 - more MPEG-1/2 fixes
830 - better multiplatform support, MS Visual Studio fixes (various)
831 - AltiVec optimizations (Magnus Damn and others)
832 - SH4 processor support has been added (BERO)
833 - new public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)
834 - VOB streaming support (Brian Foley)
835 - better MP3 autodetection (Andriy Rysin)
836 - qpel encoding (Michael)
837 - 4mv+b frames encoding finally fixed (Michael)
838 - chroma ME (Michael)
839 - 5 comparison functions for ME (Michael)
840 - B-frame encoding speedup (Michael)
841 - WMV2 codec (unfinished - Michael)
842 - user specified diamond size for EPZS (Michael)
843 - Playstation STR playback subsystem, still experimental (Mike and Michael)
844 - ASV2 codec (Michael)
845 - CLJR decoder (Alex)
847 .. And lots more new enhancements and fixes.
852 - completely new integer only MPEG audio layer 1/2/3 decoder rewritten
854 - Recoded DCT and motion vector search with gcc (no longer depends on nasm)
855 - fix quantization bug in AC3 encoder
856 - added PCM codecs and format. Corrected WAV/AVI/ASF PCM issues
857 - added prototype ffplay program
858 - added GOB header parsing on H.263/H.263+ decoder (Juanjo)
859 - bug fix on MCBPC tables of H.263 (Juanjo)
860 - bug fix on DC coefficients of H.263 (Juanjo)
861 - added Advanced Prediction Mode on H.263/H.263+ decoder (Juanjo)
862 - now we can decode H.263 streams found in QuickTime files (Juanjo)
863 - now we can decode H.263 streams found in VIVO v1 files(Juanjo)
864 - preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)
865 - added GOB header for H.263/H.263+ coding on RTP mode (Juanjo)
866 - now H.263 picture size is returned on the first decoded frame (Juanjo)
867 - added first regression tests
868 - added MPEG-2 TS demuxer
869 - new demux API for libav
870 - more accurate and faster IDCT (Michael)
871 - faster and entropy-controlled motion search (Michael)
872 - two pass video encoding (Michael)
873 - new video rate control (Michael)
874 - added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)
875 - great performance improvement of video encoders and decoders (Michael)
876 - new and faster bit readers and vlc parsers (Michael)
877 - high quality encoding mode: tries all macroblock/VLC types (Michael)
878 - added DV video decoder
879 - preliminary RTP/RTSP support in ffserver and libavformat
880 - H.263+ AIC decoding/encoding support (Juanjo)
881 - VCD MPEG-PS mode (Juanjo)
882 - PSNR stuff (Juanjo)
883 - simple stats output (Juanjo)
884 - 16-bit and 15-bit RGB/BGR/GBR support (Bisqwit)
889 - some header fixes (Zdenek Kabelac <kabi at informatics.muni.cz>)
890 - many MMX optimizations (Nick Kurshev <nickols_k at mail.ru>)
891 - added configure system (actually a small shell script)
892 - added MPEG audio layer 1/2/3 decoding using LGPL'ed mpglib by
893 Michael Hipp (temporary solution - waiting for integer only
895 - fixed VIDIOCSYNC interrupt
896 - added Intel H.263 decoding support ('I263' AVI fourCC)
897 - added Real Video 1.0 decoding (needs further testing)
898 - simplified image formats again. Added PGM format (=grey
899 pgm). Renamed old PGM to PGMYUV.
900 - fixed msmpeg4 slice issues (tell me if you still find problems)
901 - fixed OpenDivX bugs with newer versions (added VOL header decoding)
902 - added support for MPlayer interface
903 - added macroblock skip optimization
904 - added MJPEG decoder
905 - added mmx/mmxext IDCT from libmpeg2
906 - added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer
907 <celer at shell.scrypt.net>)
908 - added pixel format conversion layer (e.g. for MJPEG or PPM)
909 - added deinterlacing option
911 - MPEG-4 vol header fixes (Jonathan Marsden <snmjbm at pacbell.net>)
912 - ARM optimizations (Lionel Ulmer <lionel.ulmer at free.fr>).
913 - Windows porting of file converter
914 - added MJPEG raw format (input/ouput)
915 - added JPEG image format support (input/output)
920 - fixed some std header definitions (Bjorn Lindgren
921 <bjorn.e.lindgren at telia.com>).
922 - added MPEG demuxer (MPEG-1 and 2 compatible).
924 - added prototype RM demuxer
925 - added AC3 decoding (done with libac3 by Aaron Holtzman)
926 - added decoding codec parameter guessing (.e.g. for MPEG, because the
927 header does not include them)
928 - fixed header generation in MPEG-1, AVI and ASF muxer: wmplayer can now
929 play them (only tested video)
930 - fixed H.263 white bug
931 - fixed phase rounding in img resample filter
932 - add MMX code for polyphase img resample filter
933 - added CPU autodetection
934 - added generic title/author/copyright/comment string handling (ASF and RM
936 - added SWF demux to extract MP3 track (not usable yet because no MP3
938 - added fractional frame rate support
939 - codecs are no longer searched by read_header() (should fix ffserver
945 - BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq at amsat.org>)
946 - fixed raw yuv output
947 - added motion rounding support in MPEG-4
948 - fixed motion bug rounding in MSMPEG4
949 - added B-frame handling in video core
950 - added full MPEG-1 decoding support
951 - added partial (frame only) MPEG-2 support
952 - changed the FOURCC code for H.263 to "U263" to be able to see the
953 +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with
954 this +codec ;) (JuanJo).
955 - Halfpel motion estimation after MB type selection (JuanJo)
956 - added pgm and .Y.U.V output format
957 - suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or
959 - added pgmpipe I/O format (original patch from Martin Aumueller
960 <lists at reserv.at>, but changed completely since we use a format
961 instead of a protocol)
966 - added H.263/MPEG-4/MSMPEG4 decoding support. MPEG-4 decoding support
967 (for OpenDivX) is almost complete: 8x8 MVs and rounding are
968 missing. MSMPEG4 support is complete.
969 - added prototype MPEG-1 decoder. Only I- and P-frames handled yet (it
970 can decode ffmpeg MPEGs :-)).
971 - added libavcodec API documentation (see apiexample.c).
972 - fixed image polyphase bug (the bottom of some images could be
974 - added support for non clipped motion vectors (decoding only)
975 and image sizes non-multiple of 16
976 - added support for AC prediction (decoding only)
977 - added file overwrite confirmation (can be disabled with -y)
978 - added custom size picture to H.263 using H.263+ (Juanjo)
983 - added MSMPEG4 (aka DivX) compatible encoder. Changed default codec
984 of AVI and ASF to DIV3.
985 - added -me option to set motion estimation method
986 (default=log). suppressed redundant -hq option.
987 - added options -acodec and -vcodec to force a given codec (useful for
990 - improved dct_quantize speed
991 - factorized some motion estimation code
996 - removing grab code from ffserver and moved it to ffmpeg. Added
997 multistream support to ffmpeg.
998 - added timeshifting support for live feeds (option ?date=xxx in the
1000 - added high quality image resize code with polyphase filter (need
1001 mmx/see optimization). Enable multiple image size support in ffserver.
1002 - added multi live feed support in ffserver
1003 - suppressed master feature from ffserver (it should be done with an
1004 external program which opens the .ffm url and writes it to another
1006 - added preliminary support for video stream parsing (WAV and AVI half
1007 done). Added proper support for audio/video file conversion in
1009 - added preliminary support for video file sending from ffserver
1010 - redesigning I/O subsystem: now using URL based input and output
1012 - added WAV format support
1013 - added "tty user interface" to ffmpeg to stop grabbing gracefully
1014 - added MMX/SSE optimizations to SAD (Sums of Absolutes Differences)
1015 (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo at atmlab.utfsm.cl>)
1016 - added MMX DCT from mpeg2_movie 1.5 (Juanjo)
1017 - added new motion estimation algorithms, log and phods (Juanjo)
1018 - changed directories: libav for format handling, libavcodec for
1024 - added stereo in MPEG audio encoder
1029 - added 'high quality' mode which use motion vectors. It can be used in
1030 real time at low resolution.
1031 - fixed rounding problems which caused quality problems at high
1032 bitrates and large GOP size
1035 version 0.3.2: small fixes
1041 version 0.3.1: added avi/divx support
1044 - added MPEG-4 codec compatible with OpenDivX. It is based on the H.263 codec
1045 - added sound for flash format (not tested)
1048 version 0.3: initial public release