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
24 - av_basename and av_dirname
25 - adobe and limelight publisher authentication in RTMP
26 - VDPAU hardware acceleration through normal hwaccel
31 - ashowinfo audio filter
32 - 24-bit FLAC encoding
34 - deprecated the avconv -vol option. the volume filter is to be used instead.
35 - multi-channel ALAC encoding up to 7.1
36 - TAK demuxer, parser, and decoder
37 - adaptive frame-level multithreading for H.264
41 - metadata (INFO tag) support in WAV muxer
42 - support for building DLLs using MSVC
43 - remove avserver daemon mode
44 - support building on the Plan 9 operating system
45 - ffv1: support version 1.3
50 - XWD encoder and decoder
51 - Support for fragmentation in the mov/mp4 muxer
52 - ISMV (Smooth Streaming) muxer
53 - CDXL demuxer and decoder
54 - Apple ProRes encoder
55 - Sun Rasterfile Encoder
57 - ID3v2 attached pictures reading and writing
58 - WMA Lossless decoder
60 - RealAudio Lossless decoder
62 - drop support for avconv without libavfilter
63 - add libavresample audio conversion library
64 - audio filters support in libavfilter and avconv
68 - avprobe output is now standard INI or JSON. The old format can still
71 - channelsplit audio filter
72 - RTMPT protocol support
73 - iLBC encoding/decoding via libilbc
74 - Microsoft Screen 1 decoder
76 - audio channel mapping filter
77 - Microsoft ATC Screen decoder
79 - TechSmith Screen Codec 2 decoder
80 - AAC encoding via libfdk-aac
81 - Microsoft Expression Encoder Screen decoder
82 - RTMPS protocol support
83 - RTMPTS protocol support
84 - JPEG 2000 encoding support through OpenJPEG
85 - G.723.1 demuxer and decoder
86 - RTMPE protocol support
87 - RTMPTE protocol support
88 - Canopus Lossless Codec decoder
89 - avconv -shortest option is now per-output file,
90 -pass and -passlogfile are now per-output stream
92 - Microsoft Screen 2 decoder
93 - RTP depacketization of JPEG
94 - Smooth Streaming live segmenter muxer
95 - RTP packetization of JPEG
96 - Opus decoder and encoder using libopus
97 - remove -same_quant, it hasn't worked for years
98 - support for building with MSVC
109 - Automatic thread count based on detection number of (available) CPU cores
110 - Deprecate libpostproc. If desired, the switch --enable-postproc will
111 enable it but it may be removed in a later Libav release.
112 - rv34: frame-level multi-threading
113 - optimized iMDCT transform on x86 using SSE for for mpegaudiodec
119 - Flash Screen Video 2 decoder
120 - ffplay/ffprobe/ffserver renamed to avplay/avprobe/avserver
121 - ffmpeg deprecated, added avconv, which is almost the same for now, except
122 for a few incompatible changes in the options, which will hopefully make them
123 easier to use. The changes are:
124 * The options placement is now strictly enforced! While in theory the
125 options for ffmpeg should be given in [input options] -i INPUT [output
126 options] OUTPUT order, in practice it was possible to give output options
127 before the -i and it mostly worked. Except when it didn't - the behavior was
128 a bit inconsistent. In avconv, it is not possible to mix input and output
129 options. All non-global options are reset after an input or output filename.
130 * All per-file options are now truly per-file - they apply only to the next
131 input or output file and specifying different values for different files
132 will now work properly (notably -ss and -t options).
133 * All per-stream options are now truly per-stream - it is possible to
134 specify which stream(s) should a given option apply to. See the Stream
135 specifiers section in the avconv manual for details.
136 * In ffmpeg some options (like -newvideo/-newaudio/...) are irregular in the
137 sense that they're specified after the output filename instead of before,
138 like all other options. In avconv this irregularity is removed, all options
139 apply to the next input or output file.
140 * -newvideo/-newaudio/-newsubtitle options were removed. Not only were they
141 irregular and highly confusing, they were also redundant. In avconv the -map
142 option will create new streams in the output file and map input streams to
143 them. E.g. avconv -i INPUT -map 0 OUTPUT will create an output stream for
144 each stream in the first input file.
145 * The -map option now has slightly different and more powerful syntax:
146 + Colons (':') are used to separate file index/stream type/stream index
147 instead of dots. Comma (',') is used to separate the sync stream instead
148 of colon.. This is done for consistency with other options.
149 + It's possible to specify stream type. E.g. -map 0:a:2 creates an
150 output stream from the third input audio stream.
151 + Omitting the stream index now maps all the streams of the given type,
152 not just the first. E.g. -map 0:s creates output streams for all the
153 subtitle streams in the first input file.
154 + Since -map can now match multiple streams, negative mappings were
155 introduced. Negative mappings disable some streams from an already
156 defined map. E.g. '-map 0 -map -0:a:1' means 'create output streams for
157 all the stream in the first input file, except for the second audio
159 * There is a new option -c (or -codec) for choosing the decoder/encoder to
160 use, which allows to precisely specify target stream(s) consistently with
161 other options. E.g. -c:v lib264 sets the codec for all video streams, -c:a:0
162 libvorbis sets the codec for the first audio stream and -c copy copies all
163 the streams without reencoding. Old -vcodec/-acodec/-scodec options are now
165 * It is now possible to precisely specify which stream should an AVOption
166 apply to. E.g. -b:v:0 2M sets the bitrate for the first video stream, while
167 -b:a 128k sets the bitrate for all audio streams. Note that the old -ab 128k
168 syntax is deprecated and will stop working soon.
169 * -map_chapters now takes only an input file index and applies to the next
170 output file. This is consistent with how all the other options work.
171 * -map_metadata now takes only an input metadata specifier and applies to
172 the next output file. Output metadata specifier is now part of the option
173 name, similarly to the AVOptions/map/codec feature above.
174 * -metadata can now be used to set metadata on streams and chapters, e.g.
175 -metadata:s:1 language=eng sets the language of the first stream to 'eng'.
176 This made -vlang/-alang/-slang options redundant, so they were removed.
177 * -qscale option now uses stream specifiers and applies to all streams, not
178 just video. I.e. plain -qscale number would now apply to all streams. To get
179 the old behavior, use -qscale:v. Also there is now a shortcut -q for -qscale
180 and -aq is now an alias for -q:a.
181 * -vbsf/-absf/-sbsf options were removed and replaced by a -bsf option which
182 uses stream specifiers. Use -bsf:v/a/s instead of the old options.
183 * -itsscale option now uses stream specifiers, so its argument is only the
185 * -intra option was removed, use -g 0 for the same effect.
186 * -psnr option was removed, use -flags +psnr for the same effect.
187 * -vf option is now an alias to the new -filter option, which uses stream specifiers.
188 * -vframes/-aframes/-dframes options are now aliases to the new -frames option.
189 * -vtag/-atag/-stag options are now aliases to the new -tag option.
191 - Windows Media Image decoder
195 - libcdio-paranoia input device for audio CD grabbing
197 - Apple ProRes decoder
198 - CELT in Ogg demuxing
199 - VC-1 interlaced decoding
200 - lut, lutrgb, and lutyuv filters
203 - Speex encoding via libspeex
204 - 4:2:2 H.264 decoding support
205 - 4:2:2 and 4:4:4 H.264 encoding with libx264
206 - Pulseaudio input device
207 - replacement Indeo 3 decoder
208 - TLS/SSL and HTTPS protocol support
209 - AVOptions API rewritten and documented
210 - most of CODEC_FLAG2_*, some CODEC_FLAG_* and many codec-specific fields in
211 AVCodecContext deprecated. Codec private options should be used instead.
212 - Properly working defaults in libx264 wrapper, support for native presets.
213 - Encrypted OMA files support
214 - Discworld II BMV decoding support
216 - OS X Video Decoder Acceleration (VDA) support
217 - CRI ADX audio format muxer and demuxer
218 - Playstation Portable PMP format demuxer
219 - PCM format support in OMA demuxer
221 - Dxtory capture format decoder
222 - v410 QuickTime uncompressed 4:4:4 10-bit encoder and decoder
224 - Simple segmenting muxer
231 - E-AC-3 audio encoder
232 - ac3enc: add channel coupling support
233 - floating-point sample format support for (E-)AC-3, DCA, AAC, Vorbis decoders
234 - H.264/MPEG frame-level multithreading
235 - av_metadata_* functions renamed to av_dict_* and moved to libavutil
236 - 4:4:4 H.264 decoding support
237 - 10-bit H.264 optimizations for x86
238 - bump libswscale for recently reported ABI break
243 - VP8 frame-level multithreading
244 - NEON optimizations for VP8
245 - removed a lot of deprecated API cruft
246 - FFT and IMDCT optimizations for AVX (Sandy Bridge) processors
248 - SMPTE 302M AES3 audio decoder
249 - ffmpeg no longer quits after the 'q' key is pressed; use 'ctrl+c' instead
250 - 9bit and 10bit per sample support in the H.264 decoder
255 - WebM support in Matroska de/muxer
256 - low overhead Ogg muxing
258 - VP8 de/encoding via libvpx
259 - Demuxer for On2's IVF format
260 - Pictor/PC Paint decoder
262 - libfaad2 wrapper removed
263 - DTS-ES extension (XCh) decoding support
265 - RTSP tunneling over HTTP
266 - RTP depacketization of SVQ3
267 - -strict inofficial replaced by -strict unofficial
268 - ffplay -exitonkeydown and -exitonmousedown options added
269 - native GSM / GSM MS decoder
270 - RTP depacketization of QDM2
271 - ANSI/ASCII art playback system
272 - Lego Mindstorms RSO de/muxer
273 - SubRip subtitle file muxer and demuxer
274 - Chinese AVS encoding via libxavs
275 - ffprobe -show_packets option added
276 - RTP packetization of Theora and Vorbis
277 - RTP depacketization of MP4A-LATM
278 - RTP packetization and depacketization of VP8
280 - Apple HTTP Live Streaming demuxer
283 - G.722 ADPCM audio encoder/decoder
286 - frei0r wrapper filter
287 - change crop filter syntax to width:height:x:y
288 - make the crop filter accept parametric expressions
289 - make ffprobe accept AVFormatContext options
292 - Demuxer for Leitch/Harris' VR native stream format (LXF)
293 - RTP depacketization of the X-QT QuickTime format
294 - SAP (Session Announcement Protocol, RFC 2974) muxer and demuxer
296 - ffmpeg -crop* options removed
297 - transpose filter added
298 - ffmpeg -force_key_frames option added
299 - demuxer for receiving raw rtp:// URLs without an SDP description
300 - single stream LATM/LOAS decoder
301 - setpts filter added
302 - Win64 support for optimized x86 assembly functions
303 - MJPEG/AVI1 to JPEG/JFIF bitstream filter
304 - ASS subtitle encoder and decoder
305 - IEC 61937 encapsulation for E-AC-3, TrueHD, DTS-HD (for HDMI passthrough)
306 - overlay filter added
307 - rename aspect filter to setdar, and pixelaspect to setsar
309 - Mobotix .mxg demuxer
310 - frei0r source added
311 - hqdn3d filter added
312 - RTP depacketization of QCELP
314 - gradfun filter added
316 - replace the ocv_smooth filter with a more generic ocv filter
317 - Windows Televison (WTV) demuxer
318 - FFmpeg metadata format muxer and demuxer
319 - SubRip (srt) subtitle decoder
320 - floating-point AC-3 encoder added
322 - ffmpeg -copytb option added
324 - Wing Commander IV movies decoder added
326 - Bink version 'b' audio and video decoder
327 - Bitmap Brothers JV playback system
328 - Apple HTTP Live Streaming protocol handler
329 - sndio support for playback and record
330 - Linux framebuffer input device added
331 - Chronomaster DFA decoder
332 - Mobotix MxPEG decoder
333 - AAC encoding via libvo-aacenc
334 - AMR-WB encoding via libvo-amrwbenc
336 - fieldorder video filter added
341 - PB-frame decoding for H.263
342 - deprecated vhook subsystem removed
343 - deprecated old scaler removed
345 - Alpha channel scaler
347 - RTP packetization of H.263
348 - RTP packetization of AMR
349 - RTP depacketization of Vorbis
350 - CorePNG decoding support
351 - Cook multichannel decoding support
352 - introduced avlanguage helpers in libavformat
353 - 8088flex TMV demuxer and decoder
354 - per-stream language-tags extraction in asfdec
355 - V210 decoder and encoder
356 - remaining GPL parts in AC-3 decoder converted to LGPL
358 - SoX native format muxer and demuxer
359 - AMR-NB decoding/encoding, AMR-WB decoding via OpenCORE libraries
361 - Electronic Arts Madcow decoder
362 - DivX (XSUB) subtitle encoder
363 - nonfree libamr support for AMR-NB/WB decoding/encoding removed
364 - experimental AAC encoder
365 - RTP depacketization of ASF and RTSP from WMS servers
366 - RTMP support in libavformat
367 - noX handling for OPT_BOOL X options
369 - IEC-61937 compatible Muxer
371 - Bluray (PGS) subtitle decoder
372 - LPCM support in MPEG-TS (HDMV RID as found on Blu-ray disks)
374 - Core Audio Format demuxer
376 - MD STUDIO audio demuxer
377 - RF64 support in WAV demuxer
378 - MPEG-4 Audio Lossless Coding (ALS) decoder
379 - -formats option split into -formats, -codecs, -bsfs, and -protocols
381 - CDG demuxer and decoder
383 - Auravision Aura 1 and 2 decoders
384 - Deluxe Paint Animation playback system
386 - Adobe Filmstrip muxer and demuxer
387 - RTP depacketization of H.263
388 - Bink demuxer and audio/video decoders
389 - enable symbol versioning by default for linkers that support it
390 - IFF PBM/ILBM bitmap decoder
393 - RTP depacketization of AMR
399 - Kega Game Video (KGV1) decoder
400 - VorbisComment writing for FLAC, Ogg FLAC and Ogg Speex files
401 - RTP depacketization of Theora
402 - HTTP Digest authentication
403 - RTMP/RTMPT/RTMPS/RTMPE/RTMPTE protocol support via librtmp
404 - Psygnosis YOP demuxer and video decoder
405 - spectral extension support in the E-AC-3 decoder
406 - unsharp video filter
407 - RTP hinting in the mov/3gp/mp4 muxer
408 - Dirac in Ogg demuxing
409 - seek to keyframes in Ogg
410 - 4:2:2 and 4:4:4 Theora decoding
411 - 35% faster VP3/Theora decoding
412 - faster AAC decoding
413 - faster H.264 decoding
414 - RealAudio 1.0 (14.4K) encoder
419 - DV50 AKA DVCPRO50 encoder, decoder, muxer and demuxer
420 - TechSmith Camtasia (TSCC) video decoder
421 - IBM Ultimotion (ULTI) video decoder
422 - Sierra Online audio file demuxer and decoder
423 - Apple QuickDraw (qdrw) video decoder
424 - Creative ADPCM audio decoder (16 bits as well as 8 bits schemes)
425 - Electronic Arts Multimedia (WVE/UV2/etc.) file demuxer
426 - Miro VideoXL (VIXL) video decoder
427 - H.261 video encoder
429 - Nullsoft Video (NSV) file demuxer
430 - Shorten audio decoder
432 - Apple Lossless Audio Codec (ALAC) decoder
433 - Winnov WNV1 video decoder
434 - Autodesk Animator Studio Codec (AASC) decoder
435 - Indeo 2 video decoder
436 - Fraps FPS1 video decoder
437 - Snow video encoder/decoder
438 - Sonic audio encoder/decoder
439 - Vorbis audio decoder
440 - Macromedia ADPCM decoder
441 - Duck TrueMotion 2 video decoder
442 - support for decoding FLX and DTA extensions in FLIC files
443 - H.264 custom quantization matrices support
444 - ffserver fixed, it should now be usable again
446 - Real Cooker audio decoder
447 - TrueSpeech audio decoder
448 - WMA2 audio decoder fixed, now all files should play correctly
449 - RealAudio 14.4 and 28.8 decoders fixed
451 - build system improvements
452 - tabs and trailing whitespace removed from the codebase
453 - CamStudio video decoder
454 - AIFF/AIFF-C audio format, encoding and decoding
455 - ADTS AAC file reading and writing
456 - Creative VOC file reading and writing
457 - American Laser Games multimedia (*.mm) playback system
458 - Zip Motion Blocks Video decoder
459 - improved Theora/VP3 decoder
460 - True Audio (TTA) decoder
461 - AVS demuxer and video decoder
463 - Smacker demuxer and decoder
464 - NuppelVideo/MythTV demuxer and RTjpeg decoder
466 - MPEG-2 intra VLC support
467 - MPEG-2 4:2:2 encoder
468 - Flash Screen Video decoder
470 - Chinese AVS decoder
473 - VC-1/WMV3/WMV9 video decoder
476 - VMware video decoder
479 - WavPack lossless audio decoder
480 - Targa (.TGA) picture decoder
481 - Vorbis audio encoder
482 - Delphine Software .cin demuxer/audio and video decoder
483 - Tiertex .seq demuxer/video decoder
485 - TIFF picture encoder and decoder
486 - GIF picture decoder
487 - Intel Music Coder decoder
488 - Zip Motion Blocks Video encoder
490 - Flash Screen Video encoder
491 - Theora encoding via libtheora
494 - GSM-MS encoder and decoder
496 - DXA demuxer and decoder
498 - Gamecube movie (.THP) playback system
499 - Blackfin optimizations
500 - Interplay C93 demuxer and video decoder
501 - Bethsoft VID demuxer and video decoder
504 - V.Flash PTX decoder
505 - RoQ muxer, RoQ audio encoder
506 - Renderware TXD demuxer and decoder
507 - extern C declarations for C++ removed from headers
508 - sws_flags command line option
512 - OS/2 support removed and restored again
515 - additional SPARC (VIS) optimizations
517 - slice-based parallel H.264 decoding
518 - Monkey's Audio demuxer and decoder
519 - AMV audio and video decoder
521 - H.264 PAFF decoding
522 - Nellymoser ASAO decoder
523 - Beam Software SIFF demuxer and decoder
524 - libvorbis Vorbis decoding removed in favor of native decoder
525 - IntraX8 (J-Frame) subdecoder for WMV2 and VC-1
526 - Ogg (Theora, Vorbis and FLAC) muxer
527 - The "device" muxers and demuxers are now in a new libavdevice library
528 - PC Paintbrush PCX decoder
529 - Sun Rasterfile decoder
530 - TechnoTrend PVA demuxer
531 - Linux Media Labs MPEG-4 (LMLM4) demuxer
532 - AVM2 (Flash 9) SWF muxer
533 - QT variant of IMA ADPCM encoder
535 - iPod/iPhone compatible mp4 muxer
537 - MSN TCP Webcam stream demuxer
538 - RL2 demuxer / decoder
541 - non-recursive Makefiles
543 - MAXIS EA XA (.xa) demuxer / decoder
547 - Electronic Arts CMV decoder
548 - Motion Pixels Video decoder
549 - Motion Pixels MVI demuxer
550 - removed animated GIF decoder/demuxer
551 - D-Cinema audio muxer
552 - Electronic Arts TGV decoder
553 - Apple Lossless Audio Codec (ALAC) encoder
555 - floating point PCM encoder/decoder
557 - DV100 AKA DVCPRO HD decoder and demuxer
558 - E-AC-3 support added to AC-3 decoder
559 - Nellymoser ASAO encoder
560 - ASS and SSA demuxer and muxer
561 - liba52 wrapper removed
562 - SVQ3 watermark decoding support
563 - Speex decoding via libspeex
564 - Electronic Arts TGQ decoder
566 - QCELP / PureVoice decoder
568 - hybrid WavPack support
569 - R3D REDCODE demuxer
570 - ALSA support for playback and record
571 - Electronic Arts TQI decoder
572 - OpenJPEG based JPEG 2000 decoder
573 - NC (NC4600) camera file demuxer
574 - Gopher client support
576 - generic metadata API
581 - DV encoder, DV muxer
582 - Microsoft RLE video decoder
583 - Microsoft Video-1 decoder
584 - Apple Animation (RLE) decoder
585 - Apple Graphics (SMC) decoder
586 - Apple Video (RPZA) decoder
588 - Sega FILM (CPK) file demuxer
589 - Westwood multimedia support (VQA & AUD files)
590 - Id Quake II CIN playback support
592 - FLIC playback support
593 - RealVideo 2.0 (RV20) decoder
594 - Duck TrueMotion v1 (DUCK) video decoder
595 - Sierra VMD demuxer and video decoder
596 - MSZH and ZLIB decoder support
600 - rate distortion optimal cbp support
601 - rate distorted optimal ac prediction for MPEG-4
602 - rate distorted optimal lambda->qp support
603 - AAC encoding with libfaac
604 - Sunplus JPEG codec (SP5X) support
605 - use Lagrange multipler instead of QP for ratecontrol
606 - Theora/VP3 decoding support
607 - XA and ADX ADPCM codecs
608 - export MPEG-2 active display area / pan scan
609 - Add support for configuring with IBM XLC
610 - floating point AAN DCT
611 - initial support for zygo video (not complete)
613 - new audio/video parser API
615 - av_read_frame() and av_seek_frame() support
616 - missing last frame fixes
617 - seek by mouse in ffplay
618 - noise reduction of DCT coefficients
619 - H.263 OBMC & 4MV support
620 - H.263 alternative inter vlc support
622 - H.263 slice structured mode
623 - interlaced DCT support for MPEG-2 encoding
624 - stuffing to stay above min_bitrate
625 - MB type & QP visualization
626 - frame stepping for ffplay
627 - interlaced motion estimation
628 - alternate scantable support
629 - SVCD scan offset support
632 - quantizer noise shaping
633 - G.726 ADPCM audio codec
635 - multithreaded/SMP motion estimation
636 - multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263
637 - multithreaded/SMP decoding for MPEG-2
639 - Metrowerks CodeWarrior suppport
640 - H.263+ custom pcf support
641 - nicer output for 'ffmpeg -formats'
643 - SGI image format, encoding and decoding
644 - H.264 loop filter support
645 - H.264 CABAC support
646 - nicer looking arrows for the motion vector visualization
647 - improved VCD support
648 - audio timestamp drift compensation
649 - MPEG-2 YUV 422/444 support
650 - polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample
651 - better image scaling
653 - correctly interleave packets during encoding
654 - VIS optimized motion compensation
655 - intra_dc_precision>0 encoding support
656 - support reuse of motion vectors/MB types/field select values of the source video
657 - more accurate deblock filter
659 - many optimizations and bugfixes
660 - FunCom ISS audio file demuxer and according ADPCM decoding
665 - MPEG-2 video encoding (Michael)
666 - Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)
667 - Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson
669 - Xan DPCM audio decoder (Mario Brito)
670 - Interplay MVE playback subsystem (Mike Melanson)
671 - Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)
676 - RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from mplayerhq
677 (originally from public domain player for Amiga at http://www.honeypot.net/audio)
678 - current version now also compiles with older GCC (Fabrice)
679 - 4X multimedia playback system including 4xm file demuxer (Mike
680 Melanson), and 4X video and audio codecs (Michael)
681 - Creative YUV (CYUV) decoder (Mike Melanson)
682 - FFV1 codec (our very simple lossless intra only codec, compresses much better
683 than HuffYUV) (Michael)
684 - ASV1 (Asus), H.264, Intel indeo3 codecs have been added (various)
685 - tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with
686 alpha support), JPEG YUV colorspace support. (Fabrice Bellard)
687 - ffplay has been replaced with a newer version which uses SDL (optionally)
688 for multiplatform support (Fabrice)
689 - Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated
691 - AMR format has been added (Johannes Carlsson)
692 - 3GP support has been added (Johannes Carlsson)
693 - VP3 codec has been added (Mike Melanson)
694 - more MPEG-1/2 fixes
695 - better multiplatform support, MS Visual Studio fixes (various)
696 - AltiVec optimizations (Magnus Damn and others)
697 - SH4 processor support has been added (BERO)
698 - new public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)
699 - VOB streaming support (Brian Foley)
700 - better MP3 autodetection (Andriy Rysin)
701 - qpel encoding (Michael)
702 - 4mv+b frames encoding finally fixed (Michael)
703 - chroma ME (Michael)
704 - 5 comparison functions for ME (Michael)
705 - B-frame encoding speedup (Michael)
706 - WMV2 codec (unfinished - Michael)
707 - user specified diamond size for EPZS (Michael)
708 - Playstation STR playback subsystem, still experimental (Mike and Michael)
709 - ASV2 codec (Michael)
710 - CLJR decoder (Alex)
712 .. And lots more new enhancements and fixes.
717 - completely new integer only MPEG audio layer 1/2/3 decoder rewritten
719 - Recoded DCT and motion vector search with gcc (no longer depends on nasm)
720 - fix quantization bug in AC3 encoder
721 - added PCM codecs and format. Corrected WAV/AVI/ASF PCM issues
722 - added prototype ffplay program
723 - added GOB header parsing on H.263/H.263+ decoder (Juanjo)
724 - bug fix on MCBPC tables of H.263 (Juanjo)
725 - bug fix on DC coefficients of H.263 (Juanjo)
726 - added Advanced Prediction Mode on H.263/H.263+ decoder (Juanjo)
727 - now we can decode H.263 streams found in QuickTime files (Juanjo)
728 - now we can decode H.263 streams found in VIVO v1 files(Juanjo)
729 - preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)
730 - added GOB header for H.263/H.263+ coding on RTP mode (Juanjo)
731 - now H.263 picture size is returned on the first decoded frame (Juanjo)
732 - added first regression tests
733 - added MPEG-2 TS demuxer
734 - new demux API for libav
735 - more accurate and faster IDCT (Michael)
736 - faster and entropy-controlled motion search (Michael)
737 - two pass video encoding (Michael)
738 - new video rate control (Michael)
739 - added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)
740 - great performance improvement of video encoders and decoders (Michael)
741 - new and faster bit readers and vlc parsers (Michael)
742 - high quality encoding mode: tries all macroblock/VLC types (Michael)
743 - added DV video decoder
744 - preliminary RTP/RTSP support in ffserver and libavformat
745 - H.263+ AIC decoding/encoding support (Juanjo)
746 - VCD MPEG-PS mode (Juanjo)
747 - PSNR stuff (Juanjo)
748 - simple stats output (Juanjo)
749 - 16-bit and 15-bit RGB/BGR/GBR support (Bisqwit)
754 - some header fixes (Zdenek Kabelac <kabi at informatics.muni.cz>)
755 - many MMX optimizations (Nick Kurshev <nickols_k at mail.ru>)
756 - added configure system (actually a small shell script)
757 - added MPEG audio layer 1/2/3 decoding using LGPL'ed mpglib by
758 Michael Hipp (temporary solution - waiting for integer only
760 - fixed VIDIOCSYNC interrupt
761 - added Intel H.263 decoding support ('I263' AVI fourCC)
762 - added Real Video 1.0 decoding (needs further testing)
763 - simplified image formats again. Added PGM format (=grey
764 pgm). Renamed old PGM to PGMYUV.
765 - fixed msmpeg4 slice issues (tell me if you still find problems)
766 - fixed OpenDivX bugs with newer versions (added VOL header decoding)
767 - added support for MPlayer interface
768 - added macroblock skip optimization
769 - added MJPEG decoder
770 - added mmx/mmxext IDCT from libmpeg2
771 - added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer
772 <celer at shell.scrypt.net>)
773 - added pixel format conversion layer (e.g. for MJPEG or PPM)
774 - added deinterlacing option
776 - MPEG-4 vol header fixes (Jonathan Marsden <snmjbm at pacbell.net>)
777 - ARM optimizations (Lionel Ulmer <lionel.ulmer at free.fr>).
778 - Windows porting of file converter
779 - added MJPEG raw format (input/ouput)
780 - added JPEG image format support (input/output)
785 - fixed some std header definitions (Bjorn Lindgren
786 <bjorn.e.lindgren at telia.com>).
787 - added MPEG demuxer (MPEG-1 and 2 compatible).
789 - added prototype RM demuxer
790 - added AC3 decoding (done with libac3 by Aaron Holtzman)
791 - added decoding codec parameter guessing (.e.g. for MPEG, because the
792 header does not include them)
793 - fixed header generation in MPEG-1, AVI and ASF muxer: wmplayer can now
794 play them (only tested video)
795 - fixed H.263 white bug
796 - fixed phase rounding in img resample filter
797 - add MMX code for polyphase img resample filter
798 - added CPU autodetection
799 - added generic title/author/copyright/comment string handling (ASF and RM
801 - added SWF demux to extract MP3 track (not usable yet because no MP3
803 - added fractional frame rate support
804 - codecs are no longer searched by read_header() (should fix ffserver
810 - BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq at amsat.org>)
811 - fixed raw yuv output
812 - added motion rounding support in MPEG-4
813 - fixed motion bug rounding in MSMPEG4
814 - added B-frame handling in video core
815 - added full MPEG-1 decoding support
816 - added partial (frame only) MPEG-2 support
817 - changed the FOURCC code for H.263 to "U263" to be able to see the
818 +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with
819 this +codec ;) (JuanJo).
820 - Halfpel motion estimation after MB type selection (JuanJo)
821 - added pgm and .Y.U.V output format
822 - suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or
824 - added pgmpipe I/O format (original patch from Martin Aumueller
825 <lists at reserv.at>, but changed completely since we use a format
826 instead of a protocol)
831 - added H.263/MPEG-4/MSMPEG4 decoding support. MPEG-4 decoding support
832 (for OpenDivX) is almost complete: 8x8 MVs and rounding are
833 missing. MSMPEG4 support is complete.
834 - added prototype MPEG-1 decoder. Only I- and P-frames handled yet (it
835 can decode ffmpeg MPEGs :-)).
836 - added libavcodec API documentation (see apiexample.c).
837 - fixed image polyphase bug (the bottom of some images could be
839 - added support for non clipped motion vectors (decoding only)
840 and image sizes non-multiple of 16
841 - added support for AC prediction (decoding only)
842 - added file overwrite confirmation (can be disabled with -y)
843 - added custom size picture to H.263 using H.263+ (Juanjo)
848 - added MSMPEG4 (aka DivX) compatible encoder. Changed default codec
849 of AVI and ASF to DIV3.
850 - added -me option to set motion estimation method
851 (default=log). suppressed redundant -hq option.
852 - added options -acodec and -vcodec to force a given codec (useful for
855 - improved dct_quantize speed
856 - factorized some motion estimation code
861 - removing grab code from ffserver and moved it to ffmpeg. Added
862 multistream support to ffmpeg.
863 - added timeshifting support for live feeds (option ?date=xxx in the
865 - added high quality image resize code with polyphase filter (need
866 mmx/see optimization). Enable multiple image size support in ffserver.
867 - added multi live feed support in ffserver
868 - suppressed master feature from ffserver (it should be done with an
869 external program which opens the .ffm url and writes it to another
871 - added preliminary support for video stream parsing (WAV and AVI half
872 done). Added proper support for audio/video file conversion in
874 - added preliminary support for video file sending from ffserver
875 - redesigning I/O subsystem: now using URL based input and output
877 - added WAV format support
878 - added "tty user interface" to ffmpeg to stop grabbing gracefully
879 - added MMX/SSE optimizations to SAD (Sums of Absolutes Differences)
880 (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo at atmlab.utfsm.cl>)
881 - added MMX DCT from mpeg2_movie 1.5 (Juanjo)
882 - added new motion estimation algorithms, log and phods (Juanjo)
883 - changed directories: libav for format handling, libavcodec for
889 - added stereo in MPEG audio encoder
894 - added 'high quality' mode which use motion vectors. It can be used in
895 real time at low resolution.
896 - fixed rounding problems which caused quality problems at high
897 bitrates and large GOP size
900 version 0.3.2: small fixes
906 version 0.3.1: added avi/divx support
909 - added MPEG-4 codec compatible with OpenDivX. It is based on the H.263 codec
910 - added sound for flash format (not tested)
913 version 0.3: initial public release