1 Entries are sorted chronologically from oldest to youngest within each release,
2 releases are sorted from youngest to oldest.
6 - support ID3v2 tags in ASF files
7 - reference-counting for AVFrame and AVPacket data
8 - avconv now fails when input options are used for output file
10 - new avconv options -filter_script and -filter_complex_script, which allow a
11 filtergraph description to be read from a file
12 - uniform options syntax across all filters
13 - new interlace filter
15 - new asetpts filter (same as setpts, but for audio)
16 - new trim and atrim filters
17 - avconv -t and -ss (output-only) options are now sample-accurate when
19 - Matroska muxer can now put the index at the beginning of the file.
20 - avconv -deinterlace option removed, the yadif filter should be used instead
21 - Apple Intermediate Codec decoder
22 - Escape 130 video decoder
23 - support for slice multithreading in libavfilter
24 - VC-1 interlaced B-frame support
25 - support for WavPack muxing (raw and in Matroska)
27 - WavPack encoding through libwavpack
28 - Added the -n parameter to avconv
30 - when transcoding with avconv (i.e. not streamcopying), -ss is now accurate
31 even when used as an input option. Previous behavior can be restored with
32 the -noaccurate_seek option.
33 - avconv -t option can now be used for inputs, to limit the duration of
34 data read from an input file
35 - incomplete Voxware MetaSound decoder
37 - Error Resilient AAC syntax (ER AAC LC) decoding
38 - Low Delay AAC (ER AAC LD) decoding
39 - mux chapters in ASF files
40 - Opus in Ogg demuxing
41 - Enhanced Low Delay AAC (ER AAC ELD) decoding (no LD SBR support)
43 - HNM version 4 demuxer and video decoder
45 - raw HEVC, HEVC in MOV/MP4, HEVC in Matroska, HEVC in MPEG-TS demuxing
46 - remove avplay -vismv option, which has not worked for a long time
50 - av_basename and av_dirname
51 - adobe and limelight publisher authentication in RTMP
52 - VDPAU hardware acceleration through normal hwaccel
57 - ashowinfo audio filter
58 - 24-bit FLAC encoding
60 - deprecated the avconv -vol option. the volume filter is to be used instead.
61 - multi-channel ALAC encoding up to 7.1
62 - TAK demuxer, parser, and decoder
63 - adaptive frame-level multithreading for H.264
67 - metadata (INFO tag) support in WAV muxer
68 - support for building DLLs using MSVC
69 - remove avserver daemon mode
70 - support building on the Plan 9 operating system
71 - ffv1: support version 1.3
76 - XWD encoder and decoder
77 - Support for fragmentation in the mov/mp4 muxer
78 - ISMV (Smooth Streaming) muxer
79 - CDXL demuxer and decoder
80 - Apple ProRes encoder
81 - Sun Rasterfile Encoder
83 - ID3v2 attached pictures reading and writing
84 - WMA Lossless decoder
86 - RealAudio Lossless decoder
88 - drop support for avconv without libavfilter
89 - add libavresample audio conversion library
90 - audio filters support in libavfilter and avconv
94 - avprobe output is now standard INI or JSON. The old format can still
97 - channelsplit audio filter
98 - RTMPT protocol support
99 - iLBC encoding/decoding via libilbc
100 - Microsoft Screen 1 decoder
102 - audio channel mapping filter
103 - Microsoft ATC Screen decoder
105 - TechSmith Screen Codec 2 decoder
106 - AAC encoding via libfdk-aac
107 - Microsoft Expression Encoder Screen decoder
108 - RTMPS protocol support
109 - RTMPTS protocol support
110 - JPEG 2000 encoding support through OpenJPEG
111 - G.723.1 demuxer and decoder
112 - RTMPE protocol support
113 - RTMPTE protocol support
114 - Canopus Lossless Codec decoder
115 - avconv -shortest option is now per-output file,
116 -pass and -passlogfile are now per-output stream
118 - Microsoft Screen 2 decoder
119 - RTP depacketization of JPEG
120 - Smooth Streaming live segmenter muxer
121 - RTP packetization of JPEG
122 - Opus decoder and encoder using libopus
123 - remove -same_quant, it hasn't worked for years
124 - support for building with MSVC
135 - Automatic thread count based on detection number of (available) CPU cores
136 - Deprecate libpostproc. If desired, the switch --enable-postproc will
137 enable it but it may be removed in a later Libav release.
138 - rv34: frame-level multi-threading
139 - optimized iMDCT transform on x86 using SSE for for mpegaudiodec
145 - Flash Screen Video 2 decoder
146 - ffplay/ffprobe/ffserver renamed to avplay/avprobe/avserver
147 - ffmpeg deprecated, added avconv, which is almost the same for now, except
148 for a few incompatible changes in the options, which will hopefully make them
149 easier to use. The changes are:
150 * The options placement is now strictly enforced! While in theory the
151 options for ffmpeg should be given in [input options] -i INPUT [output
152 options] OUTPUT order, in practice it was possible to give output options
153 before the -i and it mostly worked. Except when it didn't - the behavior was
154 a bit inconsistent. In avconv, it is not possible to mix input and output
155 options. All non-global options are reset after an input or output filename.
156 * All per-file options are now truly per-file - they apply only to the next
157 input or output file and specifying different values for different files
158 will now work properly (notably -ss and -t options).
159 * All per-stream options are now truly per-stream - it is possible to
160 specify which stream(s) should a given option apply to. See the Stream
161 specifiers section in the avconv manual for details.
162 * In ffmpeg some options (like -newvideo/-newaudio/...) are irregular in the
163 sense that they're specified after the output filename instead of before,
164 like all other options. In avconv this irregularity is removed, all options
165 apply to the next input or output file.
166 * -newvideo/-newaudio/-newsubtitle options were removed. Not only were they
167 irregular and highly confusing, they were also redundant. In avconv the -map
168 option will create new streams in the output file and map input streams to
169 them. E.g. avconv -i INPUT -map 0 OUTPUT will create an output stream for
170 each stream in the first input file.
171 * The -map option now has slightly different and more powerful syntax:
172 + Colons (':') are used to separate file index/stream type/stream index
173 instead of dots. Comma (',') is used to separate the sync stream instead
174 of colon.. This is done for consistency with other options.
175 + It's possible to specify stream type. E.g. -map 0:a:2 creates an
176 output stream from the third input audio stream.
177 + Omitting the stream index now maps all the streams of the given type,
178 not just the first. E.g. -map 0:s creates output streams for all the
179 subtitle streams in the first input file.
180 + Since -map can now match multiple streams, negative mappings were
181 introduced. Negative mappings disable some streams from an already
182 defined map. E.g. '-map 0 -map -0:a:1' means 'create output streams for
183 all the stream in the first input file, except for the second audio
185 * There is a new option -c (or -codec) for choosing the decoder/encoder to
186 use, which allows to precisely specify target stream(s) consistently with
187 other options. E.g. -c:v lib264 sets the codec for all video streams, -c:a:0
188 libvorbis sets the codec for the first audio stream and -c copy copies all
189 the streams without reencoding. Old -vcodec/-acodec/-scodec options are now
191 * It is now possible to precisely specify which stream should an AVOption
192 apply to. E.g. -b:v:0 2M sets the bitrate for the first video stream, while
193 -b:a 128k sets the bitrate for all audio streams. Note that the old -ab 128k
194 syntax is deprecated and will stop working soon.
195 * -map_chapters now takes only an input file index and applies to the next
196 output file. This is consistent with how all the other options work.
197 * -map_metadata now takes only an input metadata specifier and applies to
198 the next output file. Output metadata specifier is now part of the option
199 name, similarly to the AVOptions/map/codec feature above.
200 * -metadata can now be used to set metadata on streams and chapters, e.g.
201 -metadata:s:1 language=eng sets the language of the first stream to 'eng'.
202 This made -vlang/-alang/-slang options redundant, so they were removed.
203 * -qscale option now uses stream specifiers and applies to all streams, not
204 just video. I.e. plain -qscale number would now apply to all streams. To get
205 the old behavior, use -qscale:v. Also there is now a shortcut -q for -qscale
206 and -aq is now an alias for -q:a.
207 * -vbsf/-absf/-sbsf options were removed and replaced by a -bsf option which
208 uses stream specifiers. Use -bsf:v/a/s instead of the old options.
209 * -itsscale option now uses stream specifiers, so its argument is only the
211 * -intra option was removed, use -g 0 for the same effect.
212 * -psnr option was removed, use -flags +psnr for the same effect.
213 * -vf option is now an alias to the new -filter option, which uses stream specifiers.
214 * -vframes/-aframes/-dframes options are now aliases to the new -frames option.
215 * -vtag/-atag/-stag options are now aliases to the new -tag option.
217 - Windows Media Image decoder
221 - libcdio-paranoia input device for audio CD grabbing
223 - Apple ProRes decoder
224 - CELT in Ogg demuxing
225 - VC-1 interlaced decoding
226 - lut, lutrgb, and lutyuv filters
229 - Speex encoding via libspeex
230 - 4:2:2 H.264 decoding support
231 - 4:2:2 and 4:4:4 H.264 encoding with libx264
232 - Pulseaudio input device
233 - replacement Indeo 3 decoder
234 - TLS/SSL and HTTPS protocol support
235 - AVOptions API rewritten and documented
236 - most of CODEC_FLAG2_*, some CODEC_FLAG_* and many codec-specific fields in
237 AVCodecContext deprecated. Codec private options should be used instead.
238 - Properly working defaults in libx264 wrapper, support for native presets.
239 - Encrypted OMA files support
240 - Discworld II BMV decoding support
242 - OS X Video Decoder Acceleration (VDA) support
243 - CRI ADX audio format muxer and demuxer
244 - Playstation Portable PMP format demuxer
245 - PCM format support in OMA demuxer
247 - Dxtory capture format decoder
248 - v410 QuickTime uncompressed 4:4:4 10-bit encoder and decoder
250 - Simple segmenting muxer
257 - E-AC-3 audio encoder
258 - ac3enc: add channel coupling support
259 - floating-point sample format support for (E-)AC-3, DCA, AAC, Vorbis decoders
260 - H.264/MPEG frame-level multithreading
261 - av_metadata_* functions renamed to av_dict_* and moved to libavutil
262 - 4:4:4 H.264 decoding support
263 - 10-bit H.264 optimizations for x86
264 - bump libswscale for recently reported ABI break
269 - VP8 frame-level multithreading
270 - NEON optimizations for VP8
271 - removed a lot of deprecated API cruft
272 - FFT and IMDCT optimizations for AVX (Sandy Bridge) processors
274 - SMPTE 302M AES3 audio decoder
275 - ffmpeg no longer quits after the 'q' key is pressed; use 'ctrl+c' instead
276 - 9bit and 10bit per sample support in the H.264 decoder
281 - WebM support in Matroska de/muxer
282 - low overhead Ogg muxing
284 - VP8 de/encoding via libvpx
285 - Demuxer for On2's IVF format
286 - Pictor/PC Paint decoder
288 - libfaad2 wrapper removed
289 - DTS-ES extension (XCh) decoding support
291 - RTSP tunneling over HTTP
292 - RTP depacketization of SVQ3
293 - -strict inofficial replaced by -strict unofficial
294 - ffplay -exitonkeydown and -exitonmousedown options added
295 - native GSM / GSM MS decoder
296 - RTP depacketization of QDM2
297 - ANSI/ASCII art playback system
298 - Lego Mindstorms RSO de/muxer
299 - SubRip subtitle file muxer and demuxer
300 - Chinese AVS encoding via libxavs
301 - ffprobe -show_packets option added
302 - RTP packetization of Theora and Vorbis
303 - RTP depacketization of MP4A-LATM
304 - RTP packetization and depacketization of VP8
306 - Apple HTTP Live Streaming demuxer
309 - G.722 ADPCM audio encoder/decoder
312 - frei0r wrapper filter
313 - change crop filter syntax to width:height:x:y
314 - make the crop filter accept parametric expressions
315 - make ffprobe accept AVFormatContext options
318 - Demuxer for Leitch/Harris' VR native stream format (LXF)
319 - RTP depacketization of the X-QT QuickTime format
320 - SAP (Session Announcement Protocol, RFC 2974) muxer and demuxer
322 - ffmpeg -crop* options removed
323 - transpose filter added
324 - ffmpeg -force_key_frames option added
325 - demuxer for receiving raw rtp:// URLs without an SDP description
326 - single stream LATM/LOAS decoder
327 - setpts filter added
328 - Win64 support for optimized x86 assembly functions
329 - MJPEG/AVI1 to JPEG/JFIF bitstream filter
330 - ASS subtitle encoder and decoder
331 - IEC 61937 encapsulation for E-AC-3, TrueHD, DTS-HD (for HDMI passthrough)
332 - overlay filter added
333 - rename aspect filter to setdar, and pixelaspect to setsar
335 - Mobotix .mxg demuxer
336 - frei0r source added
337 - hqdn3d filter added
338 - RTP depacketization of QCELP
340 - gradfun filter added
342 - replace the ocv_smooth filter with a more generic ocv filter
343 - Windows Televison (WTV) demuxer
344 - FFmpeg metadata format muxer and demuxer
345 - SubRip (srt) subtitle decoder
346 - floating-point AC-3 encoder added
348 - ffmpeg -copytb option added
350 - Wing Commander IV movies decoder added
352 - Bink version 'b' audio and video decoder
353 - Bitmap Brothers JV playback system
354 - Apple HTTP Live Streaming protocol handler
355 - sndio support for playback and record
356 - Linux framebuffer input device added
357 - Chronomaster DFA decoder
358 - Mobotix MxPEG decoder
359 - AAC encoding via libvo-aacenc
360 - AMR-WB encoding via libvo-amrwbenc
362 - fieldorder video filter added
367 - PB-frame decoding for H.263
368 - deprecated vhook subsystem removed
369 - deprecated old scaler removed
371 - Alpha channel scaler
373 - RTP packetization of H.263
374 - RTP packetization of AMR
375 - RTP depacketization of Vorbis
376 - CorePNG decoding support
377 - Cook multichannel decoding support
378 - introduced avlanguage helpers in libavformat
379 - 8088flex TMV demuxer and decoder
380 - per-stream language-tags extraction in asfdec
381 - V210 decoder and encoder
382 - remaining GPL parts in AC-3 decoder converted to LGPL
384 - SoX native format muxer and demuxer
385 - AMR-NB decoding/encoding, AMR-WB decoding via OpenCORE libraries
387 - Electronic Arts Madcow decoder
388 - DivX (XSUB) subtitle encoder
389 - nonfree libamr support for AMR-NB/WB decoding/encoding removed
390 - experimental AAC encoder
391 - RTP depacketization of ASF and RTSP from WMS servers
392 - RTMP support in libavformat
393 - noX handling for OPT_BOOL X options
395 - IEC-61937 compatible Muxer
397 - Bluray (PGS) subtitle decoder
398 - LPCM support in MPEG-TS (HDMV RID as found on Blu-ray disks)
400 - Core Audio Format demuxer
402 - MD STUDIO audio demuxer
403 - RF64 support in WAV demuxer
404 - MPEG-4 Audio Lossless Coding (ALS) decoder
405 - -formats option split into -formats, -codecs, -bsfs, and -protocols
407 - CDG demuxer and decoder
409 - Auravision Aura 1 and 2 decoders
410 - Deluxe Paint Animation playback system
412 - Adobe Filmstrip muxer and demuxer
413 - RTP depacketization of H.263
414 - Bink demuxer and audio/video decoders
415 - enable symbol versioning by default for linkers that support it
416 - IFF PBM/ILBM bitmap decoder
419 - RTP depacketization of AMR
425 - Kega Game Video (KGV1) decoder
426 - VorbisComment writing for FLAC, Ogg FLAC and Ogg Speex files
427 - RTP depacketization of Theora
428 - HTTP Digest authentication
429 - RTMP/RTMPT/RTMPS/RTMPE/RTMPTE protocol support via librtmp
430 - Psygnosis YOP demuxer and video decoder
431 - spectral extension support in the E-AC-3 decoder
432 - unsharp video filter
433 - RTP hinting in the mov/3gp/mp4 muxer
434 - Dirac in Ogg demuxing
435 - seek to keyframes in Ogg
436 - 4:2:2 and 4:4:4 Theora decoding
437 - 35% faster VP3/Theora decoding
438 - faster AAC decoding
439 - faster H.264 decoding
440 - RealAudio 1.0 (14.4K) encoder
445 - DV50 AKA DVCPRO50 encoder, decoder, muxer and demuxer
446 - TechSmith Camtasia (TSCC) video decoder
447 - IBM Ultimotion (ULTI) video decoder
448 - Sierra Online audio file demuxer and decoder
449 - Apple QuickDraw (qdrw) video decoder
450 - Creative ADPCM audio decoder (16 bits as well as 8 bits schemes)
451 - Electronic Arts Multimedia (WVE/UV2/etc.) file demuxer
452 - Miro VideoXL (VIXL) video decoder
453 - H.261 video encoder
455 - Nullsoft Video (NSV) file demuxer
456 - Shorten audio decoder
458 - Apple Lossless Audio Codec (ALAC) decoder
459 - Winnov WNV1 video decoder
460 - Autodesk Animator Studio Codec (AASC) decoder
461 - Indeo 2 video decoder
462 - Fraps FPS1 video decoder
463 - Snow video encoder/decoder
464 - Sonic audio encoder/decoder
465 - Vorbis audio decoder
466 - Macromedia ADPCM decoder
467 - Duck TrueMotion 2 video decoder
468 - support for decoding FLX and DTA extensions in FLIC files
469 - H.264 custom quantization matrices support
470 - ffserver fixed, it should now be usable again
472 - Real Cooker audio decoder
473 - TrueSpeech audio decoder
474 - WMA2 audio decoder fixed, now all files should play correctly
475 - RealAudio 14.4 and 28.8 decoders fixed
477 - build system improvements
478 - tabs and trailing whitespace removed from the codebase
479 - CamStudio video decoder
480 - AIFF/AIFF-C audio format, encoding and decoding
481 - ADTS AAC file reading and writing
482 - Creative VOC file reading and writing
483 - American Laser Games multimedia (*.mm) playback system
484 - Zip Motion Blocks Video decoder
485 - improved Theora/VP3 decoder
486 - True Audio (TTA) decoder
487 - AVS demuxer and video decoder
489 - Smacker demuxer and decoder
490 - NuppelVideo/MythTV demuxer and RTjpeg decoder
492 - MPEG-2 intra VLC support
493 - MPEG-2 4:2:2 encoder
494 - Flash Screen Video decoder
496 - Chinese AVS decoder
499 - VC-1/WMV3/WMV9 video decoder
502 - VMware video decoder
505 - WavPack lossless audio decoder
506 - Targa (.TGA) picture decoder
507 - Vorbis audio encoder
508 - Delphine Software .cin demuxer/audio and video decoder
509 - Tiertex .seq demuxer/video decoder
511 - TIFF picture encoder and decoder
512 - GIF picture decoder
513 - Intel Music Coder decoder
514 - Zip Motion Blocks Video encoder
516 - Flash Screen Video encoder
517 - Theora encoding via libtheora
520 - GSM-MS encoder and decoder
522 - DXA demuxer and decoder
524 - Gamecube movie (.THP) playback system
525 - Blackfin optimizations
526 - Interplay C93 demuxer and video decoder
527 - Bethsoft VID demuxer and video decoder
530 - V.Flash PTX decoder
531 - RoQ muxer, RoQ audio encoder
532 - Renderware TXD demuxer and decoder
533 - extern C declarations for C++ removed from headers
534 - sws_flags command line option
538 - OS/2 support removed and restored again
541 - additional SPARC (VIS) optimizations
543 - slice-based parallel H.264 decoding
544 - Monkey's Audio demuxer and decoder
545 - AMV audio and video decoder
547 - H.264 PAFF decoding
548 - Nellymoser ASAO decoder
549 - Beam Software SIFF demuxer and decoder
550 - libvorbis Vorbis decoding removed in favor of native decoder
551 - IntraX8 (J-Frame) subdecoder for WMV2 and VC-1
552 - Ogg (Theora, Vorbis and FLAC) muxer
553 - The "device" muxers and demuxers are now in a new libavdevice library
554 - PC Paintbrush PCX decoder
555 - Sun Rasterfile decoder
556 - TechnoTrend PVA demuxer
557 - Linux Media Labs MPEG-4 (LMLM4) demuxer
558 - AVM2 (Flash 9) SWF muxer
559 - QT variant of IMA ADPCM encoder
561 - iPod/iPhone compatible mp4 muxer
563 - MSN TCP Webcam stream demuxer
564 - RL2 demuxer / decoder
567 - non-recursive Makefiles
569 - MAXIS EA XA (.xa) demuxer / decoder
573 - Electronic Arts CMV decoder
574 - Motion Pixels Video decoder
575 - Motion Pixels MVI demuxer
576 - removed animated GIF decoder/demuxer
577 - D-Cinema audio muxer
578 - Electronic Arts TGV decoder
579 - Apple Lossless Audio Codec (ALAC) encoder
581 - floating point PCM encoder/decoder
583 - DV100 AKA DVCPRO HD decoder and demuxer
584 - E-AC-3 support added to AC-3 decoder
585 - Nellymoser ASAO encoder
586 - ASS and SSA demuxer and muxer
587 - liba52 wrapper removed
588 - SVQ3 watermark decoding support
589 - Speex decoding via libspeex
590 - Electronic Arts TGQ decoder
592 - QCELP / PureVoice decoder
594 - hybrid WavPack support
595 - R3D REDCODE demuxer
596 - ALSA support for playback and record
597 - Electronic Arts TQI decoder
598 - OpenJPEG based JPEG 2000 decoder
599 - NC (NC4600) camera file demuxer
600 - Gopher client support
602 - generic metadata API
607 - DV encoder, DV muxer
608 - Microsoft RLE video decoder
609 - Microsoft Video-1 decoder
610 - Apple Animation (RLE) decoder
611 - Apple Graphics (SMC) decoder
612 - Apple Video (RPZA) decoder
614 - Sega FILM (CPK) file demuxer
615 - Westwood multimedia support (VQA & AUD files)
616 - Id Quake II CIN playback support
618 - FLIC playback support
619 - RealVideo 2.0 (RV20) decoder
620 - Duck TrueMotion v1 (DUCK) video decoder
621 - Sierra VMD demuxer and video decoder
622 - MSZH and ZLIB decoder support
626 - rate distortion optimal cbp support
627 - rate distorted optimal ac prediction for MPEG-4
628 - rate distorted optimal lambda->qp support
629 - AAC encoding with libfaac
630 - Sunplus JPEG codec (SP5X) support
631 - use Lagrange multipler instead of QP for ratecontrol
632 - Theora/VP3 decoding support
633 - XA and ADX ADPCM codecs
634 - export MPEG-2 active display area / pan scan
635 - Add support for configuring with IBM XLC
636 - floating point AAN DCT
637 - initial support for zygo video (not complete)
639 - new audio/video parser API
641 - av_read_frame() and av_seek_frame() support
642 - missing last frame fixes
643 - seek by mouse in ffplay
644 - noise reduction of DCT coefficients
645 - H.263 OBMC & 4MV support
646 - H.263 alternative inter vlc support
648 - H.263 slice structured mode
649 - interlaced DCT support for MPEG-2 encoding
650 - stuffing to stay above min_bitrate
651 - MB type & QP visualization
652 - frame stepping for ffplay
653 - interlaced motion estimation
654 - alternate scantable support
655 - SVCD scan offset support
658 - quantizer noise shaping
659 - G.726 ADPCM audio codec
661 - multithreaded/SMP motion estimation
662 - multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263
663 - multithreaded/SMP decoding for MPEG-2
665 - Metrowerks CodeWarrior suppport
666 - H.263+ custom pcf support
667 - nicer output for 'ffmpeg -formats'
669 - SGI image format, encoding and decoding
670 - H.264 loop filter support
671 - H.264 CABAC support
672 - nicer looking arrows for the motion vector visualization
673 - improved VCD support
674 - audio timestamp drift compensation
675 - MPEG-2 YUV 422/444 support
676 - polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample
677 - better image scaling
679 - correctly interleave packets during encoding
680 - VIS optimized motion compensation
681 - intra_dc_precision>0 encoding support
682 - support reuse of motion vectors/MB types/field select values of the source video
683 - more accurate deblock filter
685 - many optimizations and bugfixes
686 - FunCom ISS audio file demuxer and according ADPCM decoding
691 - MPEG-2 video encoding (Michael)
692 - Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)
693 - Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson
695 - Xan DPCM audio decoder (Mario Brito)
696 - Interplay MVE playback subsystem (Mike Melanson)
697 - Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)
702 - RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from mplayerhq
703 (originally from public domain player for Amiga at http://www.honeypot.net/audio)
704 - current version now also compiles with older GCC (Fabrice)
705 - 4X multimedia playback system including 4xm file demuxer (Mike
706 Melanson), and 4X video and audio codecs (Michael)
707 - Creative YUV (CYUV) decoder (Mike Melanson)
708 - FFV1 codec (our very simple lossless intra only codec, compresses much better
709 than HuffYUV) (Michael)
710 - ASV1 (Asus), H.264, Intel indeo3 codecs have been added (various)
711 - tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with
712 alpha support), JPEG YUV colorspace support. (Fabrice Bellard)
713 - ffplay has been replaced with a newer version which uses SDL (optionally)
714 for multiplatform support (Fabrice)
715 - Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated
717 - AMR format has been added (Johannes Carlsson)
718 - 3GP support has been added (Johannes Carlsson)
719 - VP3 codec has been added (Mike Melanson)
720 - more MPEG-1/2 fixes
721 - better multiplatform support, MS Visual Studio fixes (various)
722 - AltiVec optimizations (Magnus Damn and others)
723 - SH4 processor support has been added (BERO)
724 - new public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)
725 - VOB streaming support (Brian Foley)
726 - better MP3 autodetection (Andriy Rysin)
727 - qpel encoding (Michael)
728 - 4mv+b frames encoding finally fixed (Michael)
729 - chroma ME (Michael)
730 - 5 comparison functions for ME (Michael)
731 - B-frame encoding speedup (Michael)
732 - WMV2 codec (unfinished - Michael)
733 - user specified diamond size for EPZS (Michael)
734 - Playstation STR playback subsystem, still experimental (Mike and Michael)
735 - ASV2 codec (Michael)
736 - CLJR decoder (Alex)
738 .. And lots more new enhancements and fixes.
743 - completely new integer only MPEG audio layer 1/2/3 decoder rewritten
745 - Recoded DCT and motion vector search with gcc (no longer depends on nasm)
746 - fix quantization bug in AC3 encoder
747 - added PCM codecs and format. Corrected WAV/AVI/ASF PCM issues
748 - added prototype ffplay program
749 - added GOB header parsing on H.263/H.263+ decoder (Juanjo)
750 - bug fix on MCBPC tables of H.263 (Juanjo)
751 - bug fix on DC coefficients of H.263 (Juanjo)
752 - added Advanced Prediction Mode on H.263/H.263+ decoder (Juanjo)
753 - now we can decode H.263 streams found in QuickTime files (Juanjo)
754 - now we can decode H.263 streams found in VIVO v1 files(Juanjo)
755 - preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)
756 - added GOB header for H.263/H.263+ coding on RTP mode (Juanjo)
757 - now H.263 picture size is returned on the first decoded frame (Juanjo)
758 - added first regression tests
759 - added MPEG-2 TS demuxer
760 - new demux API for libav
761 - more accurate and faster IDCT (Michael)
762 - faster and entropy-controlled motion search (Michael)
763 - two pass video encoding (Michael)
764 - new video rate control (Michael)
765 - added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)
766 - great performance improvement of video encoders and decoders (Michael)
767 - new and faster bit readers and vlc parsers (Michael)
768 - high quality encoding mode: tries all macroblock/VLC types (Michael)
769 - added DV video decoder
770 - preliminary RTP/RTSP support in ffserver and libavformat
771 - H.263+ AIC decoding/encoding support (Juanjo)
772 - VCD MPEG-PS mode (Juanjo)
773 - PSNR stuff (Juanjo)
774 - simple stats output (Juanjo)
775 - 16-bit and 15-bit RGB/BGR/GBR support (Bisqwit)
780 - some header fixes (Zdenek Kabelac <kabi at informatics.muni.cz>)
781 - many MMX optimizations (Nick Kurshev <nickols_k at mail.ru>)
782 - added configure system (actually a small shell script)
783 - added MPEG audio layer 1/2/3 decoding using LGPL'ed mpglib by
784 Michael Hipp (temporary solution - waiting for integer only
786 - fixed VIDIOCSYNC interrupt
787 - added Intel H.263 decoding support ('I263' AVI fourCC)
788 - added Real Video 1.0 decoding (needs further testing)
789 - simplified image formats again. Added PGM format (=grey
790 pgm). Renamed old PGM to PGMYUV.
791 - fixed msmpeg4 slice issues (tell me if you still find problems)
792 - fixed OpenDivX bugs with newer versions (added VOL header decoding)
793 - added support for MPlayer interface
794 - added macroblock skip optimization
795 - added MJPEG decoder
796 - added mmx/mmxext IDCT from libmpeg2
797 - added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer
798 <celer at shell.scrypt.net>)
799 - added pixel format conversion layer (e.g. for MJPEG or PPM)
800 - added deinterlacing option
802 - MPEG-4 vol header fixes (Jonathan Marsden <snmjbm at pacbell.net>)
803 - ARM optimizations (Lionel Ulmer <lionel.ulmer at free.fr>).
804 - Windows porting of file converter
805 - added MJPEG raw format (input/ouput)
806 - added JPEG image format support (input/output)
811 - fixed some std header definitions (Bjorn Lindgren
812 <bjorn.e.lindgren at telia.com>).
813 - added MPEG demuxer (MPEG-1 and 2 compatible).
815 - added prototype RM demuxer
816 - added AC3 decoding (done with libac3 by Aaron Holtzman)
817 - added decoding codec parameter guessing (.e.g. for MPEG, because the
818 header does not include them)
819 - fixed header generation in MPEG-1, AVI and ASF muxer: wmplayer can now
820 play them (only tested video)
821 - fixed H.263 white bug
822 - fixed phase rounding in img resample filter
823 - add MMX code for polyphase img resample filter
824 - added CPU autodetection
825 - added generic title/author/copyright/comment string handling (ASF and RM
827 - added SWF demux to extract MP3 track (not usable yet because no MP3
829 - added fractional frame rate support
830 - codecs are no longer searched by read_header() (should fix ffserver
836 - BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq at amsat.org>)
837 - fixed raw yuv output
838 - added motion rounding support in MPEG-4
839 - fixed motion bug rounding in MSMPEG4
840 - added B-frame handling in video core
841 - added full MPEG-1 decoding support
842 - added partial (frame only) MPEG-2 support
843 - changed the FOURCC code for H.263 to "U263" to be able to see the
844 +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with
845 this +codec ;) (JuanJo).
846 - Halfpel motion estimation after MB type selection (JuanJo)
847 - added pgm and .Y.U.V output format
848 - suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or
850 - added pgmpipe I/O format (original patch from Martin Aumueller
851 <lists at reserv.at>, but changed completely since we use a format
852 instead of a protocol)
857 - added H.263/MPEG-4/MSMPEG4 decoding support. MPEG-4 decoding support
858 (for OpenDivX) is almost complete: 8x8 MVs and rounding are
859 missing. MSMPEG4 support is complete.
860 - added prototype MPEG-1 decoder. Only I- and P-frames handled yet (it
861 can decode ffmpeg MPEGs :-)).
862 - added libavcodec API documentation (see apiexample.c).
863 - fixed image polyphase bug (the bottom of some images could be
865 - added support for non clipped motion vectors (decoding only)
866 and image sizes non-multiple of 16
867 - added support for AC prediction (decoding only)
868 - added file overwrite confirmation (can be disabled with -y)
869 - added custom size picture to H.263 using H.263+ (Juanjo)
874 - added MSMPEG4 (aka DivX) compatible encoder. Changed default codec
875 of AVI and ASF to DIV3.
876 - added -me option to set motion estimation method
877 (default=log). suppressed redundant -hq option.
878 - added options -acodec and -vcodec to force a given codec (useful for
881 - improved dct_quantize speed
882 - factorized some motion estimation code
887 - removing grab code from ffserver and moved it to ffmpeg. Added
888 multistream support to ffmpeg.
889 - added timeshifting support for live feeds (option ?date=xxx in the
891 - added high quality image resize code with polyphase filter (need
892 mmx/see optimization). Enable multiple image size support in ffserver.
893 - added multi live feed support in ffserver
894 - suppressed master feature from ffserver (it should be done with an
895 external program which opens the .ffm url and writes it to another
897 - added preliminary support for video stream parsing (WAV and AVI half
898 done). Added proper support for audio/video file conversion in
900 - added preliminary support for video file sending from ffserver
901 - redesigning I/O subsystem: now using URL based input and output
903 - added WAV format support
904 - added "tty user interface" to ffmpeg to stop grabbing gracefully
905 - added MMX/SSE optimizations to SAD (Sums of Absolutes Differences)
906 (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo at atmlab.utfsm.cl>)
907 - added MMX DCT from mpeg2_movie 1.5 (Juanjo)
908 - added new motion estimation algorithms, log and phods (Juanjo)
909 - changed directories: libav for format handling, libavcodec for
915 - added stereo in MPEG audio encoder
920 - added 'high quality' mode which use motion vectors. It can be used in
921 real time at low resolution.
922 - fixed rounding problems which caused quality problems at high
923 bitrates and large GOP size
926 version 0.3.2: small fixes
932 version 0.3.1: added avi/divx support
935 - added MPEG-4 codec compatible with OpenDivX. It is based on the H.263 codec
936 - added sound for flash format (not tested)
939 version 0.3: initial public release