1 Entries are sorted chronologically from oldest to youngest within each release,
2 releases are sorted from youngest to oldest.
6 - XWD encoder and decoder
7 - Support for fragmentation in the mov/mp4 muxer
8 - ISMV (Smooth Streaming) muxer
9 - CDXL demuxer and decoder
10 - Apple ProRes encoder
11 - Sun Rasterfile Encoder
13 - ID3v2 attached pictures reading and writing
14 - WMA Lossless decoder
16 - RealAudio Lossless decoder
18 - drop support for avconv without libavfilter
19 - add libavresample audio conversion library
20 - audio filters support in libavfilter and avconv
24 - avprobe output is now standard INI or JSON. The old format can still
37 - Automatic thread count based on detection number of (available) CPU cores
38 - Deprecate libpostproc. If desired, the switch --enable-postproc will
39 enable it but it may be removed in a later Libav release.
40 - rv34: frame-level multi-threading
41 - optimized iMDCT transform on x86 using SSE for for mpegaudiodec
47 - Flash Screen Video 2 decoder
48 - ffplay/ffprobe/ffserver renamed to avplay/avprobe/avserver
49 - ffmpeg deprecated, added avconv, which is almost the same for now, except
50 for a few incompatible changes in the options, which will hopefully make them
51 easier to use. The changes are:
52 * The options placement is now strictly enforced! While in theory the
53 options for ffmpeg should be given in [input options] -i INPUT [output
54 options] OUTPUT order, in practice it was possible to give output options
55 before the -i and it mostly worked. Except when it didn't - the behavior was
56 a bit inconsistent. In avconv, it is not possible to mix input and output
57 options. All non-global options are reset after an input or output filename.
58 * All per-file options are now truly per-file - they apply only to the next
59 input or output file and specifying different values for different files
60 will now work properly (notably -ss and -t options).
61 * All per-stream options are now truly per-stream - it is possible to
62 specify which stream(s) should a given option apply to. See the Stream
63 specifiers section in the avconv manual for details.
64 * In ffmpeg some options (like -newvideo/-newaudio/...) are irregular in the
65 sense that they're specified after the output filename instead of before,
66 like all other options. In avconv this irregularity is removed, all options
67 apply to the next input or output file.
68 * -newvideo/-newaudio/-newsubtitle options were removed. Not only were they
69 irregular and highly confusing, they were also redundant. In avconv the -map
70 option will create new streams in the output file and map input streams to
71 them. E.g. avconv -i INPUT -map 0 OUTPUT will create an output stream for
72 each stream in the first input file.
73 * The -map option now has slightly different and more powerful syntax:
74 + Colons (':') are used to separate file index/stream type/stream index
75 instead of dots. Comma (',') is used to separate the sync stream instead
76 of colon.. This is done for consistency with other options.
77 + It's possible to specify stream type. E.g. -map 0:a:2 creates an
78 output stream from the third input audio stream.
79 + Omitting the stream index now maps all the streams of the given type,
80 not just the first. E.g. -map 0:s creates output streams for all the
81 subtitle streams in the first input file.
82 + Since -map can now match multiple streams, negative mappings were
83 introduced. Negative mappings disable some streams from an already
84 defined map. E.g. '-map 0 -map -0:a:1' means 'create output streams for
85 all the stream in the first input file, except for the second audio
87 * There is a new option -c (or -codec) for choosing the decoder/encoder to
88 use, which allows to precisely specify target stream(s) consistently with
89 other options. E.g. -c:v lib264 sets the codec for all video streams, -c:a:0
90 libvorbis sets the codec for the first audio stream and -c copy copies all
91 the streams without reencoding. Old -vcodec/-acodec/-scodec options are now
93 * It is now possible to precisely specify which stream should an AVOption
94 apply to. E.g. -b:v:0 2M sets the bitrate for the first video stream, while
95 -b:a 128k sets the bitrate for all audio streams. Note that the old -ab 128k
96 syntax is deprecated and will stop working soon.
97 * -map_chapters now takes only an input file index and applies to the next
98 output file. This is consistent with how all the other options work.
99 * -map_metadata now takes only an input metadata specifier and applies to
100 the next output file. Output metadata specifier is now part of the option
101 name, similarly to the AVOptions/map/codec feature above.
102 * -metadata can now be used to set metadata on streams and chapters, e.g.
103 -metadata:s:1 language=eng sets the language of the first stream to 'eng'.
104 This made -vlang/-alang/-slang options redundant, so they were removed.
105 * -qscale option now uses stream specifiers and applies to all streams, not
106 just video. I.e. plain -qscale number would now apply to all streams. To get
107 the old behavior, use -qscale:v. Also there is now a shortcut -q for -qscale
108 and -aq is now an alias for -q:a.
109 * -vbsf/-absf/-sbsf options were removed and replaced by a -bsf option which
110 uses stream specifiers. Use -bsf:v/a/s instead of the old options.
111 * -itsscale option now uses stream specifiers, so its argument is only the
113 * -intra option was removed, use -g 0 for the same effect.
114 * -psnr option was removed, use -flags +psnr for the same effect.
115 * -vf option is now an alias to the new -filter option, which uses stream specifiers.
116 * -vframes/-aframes/-dframes options are now aliases to the new -frames option.
117 * -vtag/-atag/-stag options are now aliases to the new -tag option.
119 - Windows Media Image decoder
123 - libcdio-paranoia input device for audio CD grabbing
125 - Apple ProRes decoder
126 - CELT in Ogg demuxing
127 - VC-1 interlaced decoding
128 - lut, lutrgb, and lutyuv filters
131 - Speex encoding via libspeex
132 - 4:2:2 H.264 decoding support
133 - 4:2:2 and 4:4:4 H.264 encoding with libx264
134 - Pulseaudio input device
135 - replacement Indeo 3 decoder
136 - TLS/SSL and HTTPS protocol support
137 - AVOptions API rewritten and documented
138 - most of CODEC_FLAG2_*, some CODEC_FLAG_* and many codec-specific fields in
139 AVCodecContext deprecated. Codec private options should be used instead.
140 - Properly working defaults in libx264 wrapper, support for native presets.
141 - Encrypted OMA files support
142 - Discworld II BMV decoding support
144 - OS X Video Decoder Acceleration (VDA) support
145 - CRI ADX audio format muxer and demuxer
146 - Playstation Portable PMP format demuxer
147 - PCM format support in OMA demuxer
149 - Dxtory capture format decoder
150 - v410 QuickTime uncompressed 4:4:4 10-bit encoder and decoder
152 - Simple segmenting muxer
159 - E-AC-3 audio encoder
160 - ac3enc: add channel coupling support
161 - floating-point sample format support for (E-)AC-3, DCA, AAC, Vorbis decoders
162 - H.264/MPEG frame-level multithreading
163 - av_metadata_* functions renamed to av_dict_* and moved to libavutil
164 - 4:4:4 H.264 decoding support
165 - 10-bit H.264 optimizations for x86
166 - bump libswscale for recently reported ABI break
171 - VP8 frame-level multithreading
172 - NEON optimizations for VP8
173 - removed a lot of deprecated API cruft
174 - FFT and IMDCT optimizations for AVX (Sandy Bridge) processors
176 - SMPTE 302M AES3 audio decoder
177 - ffmpeg no longer quits after the 'q' key is pressed; use 'ctrl+c' instead
178 - 9bit and 10bit per sample support in the H.264 decoder
183 - WebM support in Matroska de/muxer
184 - low overhead Ogg muxing
186 - VP8 de/encoding via libvpx
187 - Demuxer for On2's IVF format
188 - Pictor/PC Paint decoder
190 - libfaad2 wrapper removed
191 - DTS-ES extension (XCh) decoding support
193 - RTSP tunneling over HTTP
194 - RTP depacketization of SVQ3
195 - -strict inofficial replaced by -strict unofficial
196 - ffplay -exitonkeydown and -exitonmousedown options added
197 - native GSM / GSM MS decoder
198 - RTP depacketization of QDM2
199 - ANSI/ASCII art playback system
200 - Lego Mindstorms RSO de/muxer
201 - SubRip subtitle file muxer and demuxer
202 - Chinese AVS encoding via libxavs
203 - ffprobe -show_packets option added
204 - RTP packetization of Theora and Vorbis
205 - RTP depacketization of MP4A-LATM
206 - RTP packetization and depacketization of VP8
208 - Apple HTTP Live Streaming demuxer
211 - G.722 ADPCM audio encoder/decoder
214 - frei0r wrapper filter
215 - change crop filter syntax to width:height:x:y
216 - make the crop filter accept parametric expressions
217 - make ffprobe accept AVFormatContext options
220 - Demuxer for Leitch/Harris' VR native stream format (LXF)
221 - RTP depacketization of the X-QT QuickTime format
222 - SAP (Session Announcement Protocol, RFC 2974) muxer and demuxer
224 - ffmpeg -crop* options removed
225 - transpose filter added
226 - ffmpeg -force_key_frames option added
227 - demuxer for receiving raw rtp:// URLs without an SDP description
228 - single stream LATM/LOAS decoder
229 - setpts filter added
230 - Win64 support for optimized x86 assembly functions
231 - MJPEG/AVI1 to JPEG/JFIF bitstream filter
232 - ASS subtitle encoder and decoder
233 - IEC 61937 encapsulation for E-AC-3, TrueHD, DTS-HD (for HDMI passthrough)
234 - overlay filter added
235 - rename aspect filter to setdar, and pixelaspect to setsar
237 - Mobotix .mxg demuxer
238 - frei0r source added
239 - hqdn3d filter added
240 - RTP depacketization of QCELP
242 - gradfun filter added
244 - replace the ocv_smooth filter with a more generic ocv filter
245 - Windows Televison (WTV) demuxer
246 - FFmpeg metadata format muxer and demuxer
247 - SubRip (srt) subtitle decoder
248 - floating-point AC-3 encoder added
250 - ffmpeg -copytb option added
252 - Wing Commander IV movies decoder added
254 - Bink version 'b' audio and video decoder
255 - Bitmap Brothers JV playback system
256 - Apple HTTP Live Streaming protocol handler
257 - sndio support for playback and record
258 - Linux framebuffer input device added
259 - Chronomaster DFA decoder
260 - Mobotix MxPEG decoder
261 - AAC encoding via libvo-aacenc
262 - AMR-WB encoding via libvo-amrwbenc
264 - fieldorder video filter added
269 - PB-frame decoding for H.263
270 - deprecated vhook subsystem removed
271 - deprecated old scaler removed
273 - Alpha channel scaler
275 - RTP packetization of H.263
276 - RTP packetization of AMR
277 - RTP depacketization of Vorbis
278 - CorePNG decoding support
279 - Cook multichannel decoding support
280 - introduced avlanguage helpers in libavformat
281 - 8088flex TMV demuxer and decoder
282 - per-stream language-tags extraction in asfdec
283 - V210 decoder and encoder
284 - remaining GPL parts in AC-3 decoder converted to LGPL
286 - SoX native format muxer and demuxer
287 - AMR-NB decoding/encoding, AMR-WB decoding via OpenCORE libraries
289 - Electronic Arts Madcow decoder
290 - DivX (XSUB) subtitle encoder
291 - nonfree libamr support for AMR-NB/WB decoding/encoding removed
292 - experimental AAC encoder
293 - RTP depacketization of ASF and RTSP from WMS servers
294 - RTMP support in libavformat
295 - noX handling for OPT_BOOL X options
297 - IEC-61937 compatible Muxer
299 - Bluray (PGS) subtitle decoder
300 - LPCM support in MPEG-TS (HDMV RID as found on Blu-ray disks)
302 - Core Audio Format demuxer
304 - MD STUDIO audio demuxer
305 - RF64 support in WAV demuxer
306 - MPEG-4 Audio Lossless Coding (ALS) decoder
307 - -formats option split into -formats, -codecs, -bsfs, and -protocols
309 - CDG demuxer and decoder
311 - Auravision Aura 1 and 2 decoders
312 - Deluxe Paint Animation playback system
314 - Adobe Filmstrip muxer and demuxer
315 - RTP depacketization of H.263
316 - Bink demuxer and audio/video decoders
317 - enable symbol versioning by default for linkers that support it
318 - IFF PBM/ILBM bitmap decoder
321 - RTP depacketization of AMR
327 - Kega Game Video (KGV1) decoder
328 - VorbisComment writing for FLAC, Ogg FLAC and Ogg Speex files
329 - RTP depacketization of Theora
330 - HTTP Digest authentication
331 - RTMP/RTMPT/RTMPS/RTMPE/RTMPTE protocol support via librtmp
332 - Psygnosis YOP demuxer and video decoder
333 - spectral extension support in the E-AC-3 decoder
334 - unsharp video filter
335 - RTP hinting in the mov/3gp/mp4 muxer
336 - Dirac in Ogg demuxing
337 - seek to keyframes in Ogg
338 - 4:2:2 and 4:4:4 Theora decoding
339 - 35% faster VP3/Theora decoding
340 - faster AAC decoding
341 - faster H.264 decoding
342 - RealAudio 1.0 (14.4K) encoder
347 - DV50 AKA DVCPRO50 encoder, decoder, muxer and demuxer
348 - TechSmith Camtasia (TSCC) video decoder
349 - IBM Ultimotion (ULTI) video decoder
350 - Sierra Online audio file demuxer and decoder
351 - Apple QuickDraw (qdrw) video decoder
352 - Creative ADPCM audio decoder (16 bits as well as 8 bits schemes)
353 - Electronic Arts Multimedia (WVE/UV2/etc.) file demuxer
354 - Miro VideoXL (VIXL) video decoder
355 - H.261 video encoder
357 - Nullsoft Video (NSV) file demuxer
358 - Shorten audio decoder
360 - Apple Lossless Audio Codec (ALAC) decoder
361 - Winnov WNV1 video decoder
362 - Autodesk Animator Studio Codec (AASC) decoder
363 - Indeo 2 video decoder
364 - Fraps FPS1 video decoder
365 - Snow video encoder/decoder
366 - Sonic audio encoder/decoder
367 - Vorbis audio decoder
368 - Macromedia ADPCM decoder
369 - Duck TrueMotion 2 video decoder
370 - support for decoding FLX and DTA extensions in FLIC files
371 - H.264 custom quantization matrices support
372 - ffserver fixed, it should now be usable again
374 - Real Cooker audio decoder
375 - TrueSpeech audio decoder
376 - WMA2 audio decoder fixed, now all files should play correctly
377 - RealAudio 14.4 and 28.8 decoders fixed
379 - build system improvements
380 - tabs and trailing whitespace removed from the codebase
381 - CamStudio video decoder
382 - AIFF/AIFF-C audio format, encoding and decoding
383 - ADTS AAC file reading and writing
384 - Creative VOC file reading and writing
385 - American Laser Games multimedia (*.mm) playback system
386 - Zip Motion Blocks Video decoder
387 - improved Theora/VP3 decoder
388 - True Audio (TTA) decoder
389 - AVS demuxer and video decoder
391 - Smacker demuxer and decoder
392 - NuppelVideo/MythTV demuxer and RTjpeg decoder
394 - MPEG-2 intra VLC support
395 - MPEG-2 4:2:2 encoder
396 - Flash Screen Video decoder
398 - Chinese AVS decoder
401 - VC-1/WMV3/WMV9 video decoder
404 - VMware video decoder
407 - WavPack lossless audio decoder
408 - Targa (.TGA) picture decoder
409 - Vorbis audio encoder
410 - Delphine Software .cin demuxer/audio and video decoder
411 - Tiertex .seq demuxer/video decoder
413 - TIFF picture encoder and decoder
414 - GIF picture decoder
415 - Intel Music Coder decoder
416 - Zip Motion Blocks Video encoder
418 - Flash Screen Video encoder
419 - Theora encoding via libtheora
422 - GSM-MS encoder and decoder
424 - DXA demuxer and decoder
426 - Gamecube movie (.THP) playback system
427 - Blackfin optimizations
428 - Interplay C93 demuxer and video decoder
429 - Bethsoft VID demuxer and video decoder
432 - V.Flash PTX decoder
433 - RoQ muxer, RoQ audio encoder
434 - Renderware TXD demuxer and decoder
435 - extern C declarations for C++ removed from headers
436 - sws_flags command line option
440 - OS/2 support removed and restored again
443 - additional SPARC (VIS) optimizations
445 - slice-based parallel H.264 decoding
446 - Monkey's Audio demuxer and decoder
447 - AMV audio and video decoder
449 - H.264 PAFF decoding
450 - Nellymoser ASAO decoder
451 - Beam Software SIFF demuxer and decoder
452 - libvorbis Vorbis decoding removed in favor of native decoder
453 - IntraX8 (J-Frame) subdecoder for WMV2 and VC-1
454 - Ogg (Theora, Vorbis and FLAC) muxer
455 - The "device" muxers and demuxers are now in a new libavdevice library
456 - PC Paintbrush PCX decoder
457 - Sun Rasterfile decoder
458 - TechnoTrend PVA demuxer
459 - Linux Media Labs MPEG-4 (LMLM4) demuxer
460 - AVM2 (Flash 9) SWF muxer
461 - QT variant of IMA ADPCM encoder
463 - iPod/iPhone compatible mp4 muxer
465 - MSN TCP Webcam stream demuxer
466 - RL2 demuxer / decoder
469 - non-recursive Makefiles
471 - MAXIS EA XA (.xa) demuxer / decoder
475 - Electronic Arts CMV decoder
476 - Motion Pixels Video decoder
477 - Motion Pixels MVI demuxer
478 - removed animated GIF decoder/demuxer
479 - D-Cinema audio muxer
480 - Electronic Arts TGV decoder
481 - Apple Lossless Audio Codec (ALAC) encoder
483 - floating point PCM encoder/decoder
485 - DV100 AKA DVCPRO HD decoder and demuxer
486 - E-AC-3 support added to AC-3 decoder
487 - Nellymoser ASAO encoder
488 - ASS and SSA demuxer and muxer
489 - liba52 wrapper removed
490 - SVQ3 watermark decoding support
491 - Speex decoding via libspeex
492 - Electronic Arts TGQ decoder
494 - QCELP / PureVoice decoder
496 - hybrid WavPack support
497 - R3D REDCODE demuxer
498 - ALSA support for playback and record
499 - Electronic Arts TQI decoder
500 - OpenJPEG based JPEG 2000 decoder
501 - NC (NC4600) camera file demuxer
502 - Gopher client support
504 - generic metadata API
509 - DV encoder, DV muxer
510 - Microsoft RLE video decoder
511 - Microsoft Video-1 decoder
512 - Apple Animation (RLE) decoder
513 - Apple Graphics (SMC) decoder
514 - Apple Video (RPZA) decoder
516 - Sega FILM (CPK) file demuxer
517 - Westwood multimedia support (VQA & AUD files)
518 - Id Quake II CIN playback support
520 - FLIC playback support
521 - RealVideo 2.0 (RV20) decoder
522 - Duck TrueMotion v1 (DUCK) video decoder
523 - Sierra VMD demuxer and video decoder
524 - MSZH and ZLIB decoder support
528 - rate distortion optimal cbp support
529 - rate distorted optimal ac prediction for MPEG-4
530 - rate distorted optimal lambda->qp support
531 - AAC encoding with libfaac
532 - Sunplus JPEG codec (SP5X) support
533 - use Lagrange multipler instead of QP for ratecontrol
534 - Theora/VP3 decoding support
535 - XA and ADX ADPCM codecs
536 - export MPEG-2 active display area / pan scan
537 - Add support for configuring with IBM XLC
538 - floating point AAN DCT
539 - initial support for zygo video (not complete)
541 - new audio/video parser API
543 - av_read_frame() and av_seek_frame() support
544 - missing last frame fixes
545 - seek by mouse in ffplay
546 - noise reduction of DCT coefficients
547 - H.263 OBMC & 4MV support
548 - H.263 alternative inter vlc support
550 - H.263 slice structured mode
551 - interlaced DCT support for MPEG-2 encoding
552 - stuffing to stay above min_bitrate
553 - MB type & QP visualization
554 - frame stepping for ffplay
555 - interlaced motion estimation
556 - alternate scantable support
557 - SVCD scan offset support
560 - quantizer noise shaping
561 - G.726 ADPCM audio codec
563 - multithreaded/SMP motion estimation
564 - multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263
565 - multithreaded/SMP decoding for MPEG-2
567 - Metrowerks CodeWarrior suppport
568 - H.263+ custom pcf support
569 - nicer output for 'ffmpeg -formats'
571 - SGI image format, encoding and decoding
572 - H.264 loop filter support
573 - H.264 CABAC support
574 - nicer looking arrows for the motion vector visualization
575 - improved VCD support
576 - audio timestamp drift compensation
577 - MPEG-2 YUV 422/444 support
578 - polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample
579 - better image scaling
581 - correctly interleave packets during encoding
582 - VIS optimized motion compensation
583 - intra_dc_precision>0 encoding support
584 - support reuse of motion vectors/MB types/field select values of the source video
585 - more accurate deblock filter
587 - many optimizations and bugfixes
588 - FunCom ISS audio file demuxer and according ADPCM decoding
593 - MPEG-2 video encoding (Michael)
594 - Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)
595 - Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson
597 - Xan DPCM audio decoder (Mario Brito)
598 - Interplay MVE playback subsystem (Mike Melanson)
599 - Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)
604 - RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from mplayerhq
605 (originally from public domain player for Amiga at http://www.honeypot.net/audio)
606 - current version now also compiles with older GCC (Fabrice)
607 - 4X multimedia playback system including 4xm file demuxer (Mike
608 Melanson), and 4X video and audio codecs (Michael)
609 - Creative YUV (CYUV) decoder (Mike Melanson)
610 - FFV1 codec (our very simple lossless intra only codec, compresses much better
611 than HuffYUV) (Michael)
612 - ASV1 (Asus), H.264, Intel indeo3 codecs have been added (various)
613 - tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with
614 alpha support), JPEG YUV colorspace support. (Fabrice Bellard)
615 - ffplay has been replaced with a newer version which uses SDL (optionally)
616 for multiplatform support (Fabrice)
617 - Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated
619 - AMR format has been added (Johannes Carlsson)
620 - 3GP support has been added (Johannes Carlsson)
621 - VP3 codec has been added (Mike Melanson)
622 - more MPEG-1/2 fixes
623 - better multiplatform support, MS Visual Studio fixes (various)
624 - AltiVec optimizations (Magnus Damn and others)
625 - SH4 processor support has been added (BERO)
626 - new public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)
627 - VOB streaming support (Brian Foley)
628 - better MP3 autodetection (Andriy Rysin)
629 - qpel encoding (Michael)
630 - 4mv+b frames encoding finally fixed (Michael)
631 - chroma ME (Michael)
632 - 5 comparison functions for ME (Michael)
633 - B-frame encoding speedup (Michael)
634 - WMV2 codec (unfinished - Michael)
635 - user specified diamond size for EPZS (Michael)
636 - Playstation STR playback subsystem, still experimental (Mike and Michael)
637 - ASV2 codec (Michael)
638 - CLJR decoder (Alex)
640 .. And lots more new enhancements and fixes.
645 - completely new integer only MPEG audio layer 1/2/3 decoder rewritten
647 - Recoded DCT and motion vector search with gcc (no longer depends on nasm)
648 - fix quantization bug in AC3 encoder
649 - added PCM codecs and format. Corrected WAV/AVI/ASF PCM issues
650 - added prototype ffplay program
651 - added GOB header parsing on H.263/H.263+ decoder (Juanjo)
652 - bug fix on MCBPC tables of H.263 (Juanjo)
653 - bug fix on DC coefficients of H.263 (Juanjo)
654 - added Advanced Prediction Mode on H.263/H.263+ decoder (Juanjo)
655 - now we can decode H.263 streams found in QuickTime files (Juanjo)
656 - now we can decode H.263 streams found in VIVO v1 files(Juanjo)
657 - preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)
658 - added GOB header for H.263/H.263+ coding on RTP mode (Juanjo)
659 - now H.263 picture size is returned on the first decoded frame (Juanjo)
660 - added first regression tests
661 - added MPEG-2 TS demuxer
662 - new demux API for libav
663 - more accurate and faster IDCT (Michael)
664 - faster and entropy-controlled motion search (Michael)
665 - two pass video encoding (Michael)
666 - new video rate control (Michael)
667 - added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)
668 - great performance improvement of video encoders and decoders (Michael)
669 - new and faster bit readers and vlc parsers (Michael)
670 - high quality encoding mode: tries all macroblock/VLC types (Michael)
671 - added DV video decoder
672 - preliminary RTP/RTSP support in ffserver and libavformat
673 - H.263+ AIC decoding/encoding support (Juanjo)
674 - VCD MPEG-PS mode (Juanjo)
675 - PSNR stuff (Juanjo)
676 - simple stats output (Juanjo)
677 - 16-bit and 15-bit RGB/BGR/GBR support (Bisqwit)
682 - some header fixes (Zdenek Kabelac <kabi at informatics.muni.cz>)
683 - many MMX optimizations (Nick Kurshev <nickols_k at mail.ru>)
684 - added configure system (actually a small shell script)
685 - added MPEG audio layer 1/2/3 decoding using LGPL'ed mpglib by
686 Michael Hipp (temporary solution - waiting for integer only
688 - fixed VIDIOCSYNC interrupt
689 - added Intel H.263 decoding support ('I263' AVI fourCC)
690 - added Real Video 1.0 decoding (needs further testing)
691 - simplified image formats again. Added PGM format (=grey
692 pgm). Renamed old PGM to PGMYUV.
693 - fixed msmpeg4 slice issues (tell me if you still find problems)
694 - fixed OpenDivX bugs with newer versions (added VOL header decoding)
695 - added support for MPlayer interface
696 - added macroblock skip optimization
697 - added MJPEG decoder
698 - added mmx/mmxext IDCT from libmpeg2
699 - added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer
700 <celer at shell.scrypt.net>)
701 - added pixel format conversion layer (e.g. for MJPEG or PPM)
702 - added deinterlacing option
704 - MPEG-4 vol header fixes (Jonathan Marsden <snmjbm at pacbell.net>)
705 - ARM optimizations (Lionel Ulmer <lionel.ulmer at free.fr>).
706 - Windows porting of file converter
707 - added MJPEG raw format (input/ouput)
708 - added JPEG image format support (input/output)
713 - fixed some std header definitions (Bjorn Lindgren
714 <bjorn.e.lindgren at telia.com>).
715 - added MPEG demuxer (MPEG-1 and 2 compatible).
717 - added prototype RM demuxer
718 - added AC3 decoding (done with libac3 by Aaron Holtzman)
719 - added decoding codec parameter guessing (.e.g. for MPEG, because the
720 header does not include them)
721 - fixed header generation in MPEG-1, AVI and ASF muxer: wmplayer can now
722 play them (only tested video)
723 - fixed H.263 white bug
724 - fixed phase rounding in img resample filter
725 - add MMX code for polyphase img resample filter
726 - added CPU autodetection
727 - added generic title/author/copyright/comment string handling (ASF and RM
729 - added SWF demux to extract MP3 track (not usable yet because no MP3
731 - added fractional frame rate support
732 - codecs are no longer searched by read_header() (should fix ffserver
738 - BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq at amsat.org>)
739 - fixed raw yuv output
740 - added motion rounding support in MPEG-4
741 - fixed motion bug rounding in MSMPEG4
742 - added B-frame handling in video core
743 - added full MPEG-1 decoding support
744 - added partial (frame only) MPEG-2 support
745 - changed the FOURCC code for H.263 to "U263" to be able to see the
746 +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with
747 this +codec ;) (JuanJo).
748 - Halfpel motion estimation after MB type selection (JuanJo)
749 - added pgm and .Y.U.V output format
750 - suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or
752 - added pgmpipe I/O format (original patch from Martin Aumueller
753 <lists at reserv.at>, but changed completely since we use a format
754 instead of a protocol)
759 - added H.263/MPEG-4/MSMPEG4 decoding support. MPEG-4 decoding support
760 (for OpenDivX) is almost complete: 8x8 MVs and rounding are
761 missing. MSMPEG4 support is complete.
762 - added prototype MPEG-1 decoder. Only I- and P-frames handled yet (it
763 can decode ffmpeg MPEGs :-)).
764 - added libavcodec API documentation (see apiexample.c).
765 - fixed image polyphase bug (the bottom of some images could be
767 - added support for non clipped motion vectors (decoding only)
768 and image sizes non-multiple of 16
769 - added support for AC prediction (decoding only)
770 - added file overwrite confirmation (can be disabled with -y)
771 - added custom size picture to H.263 using H.263+ (Juanjo)
776 - added MSMPEG4 (aka DivX) compatible encoder. Changed default codec
777 of AVI and ASF to DIV3.
778 - added -me option to set motion estimation method
779 (default=log). suppressed redundant -hq option.
780 - added options -acodec and -vcodec to force a given codec (useful for
783 - improved dct_quantize speed
784 - factorized some motion estimation code
789 - removing grab code from ffserver and moved it to ffmpeg. Added
790 multistream support to ffmpeg.
791 - added timeshifting support for live feeds (option ?date=xxx in the
793 - added high quality image resize code with polyphase filter (need
794 mmx/see optimization). Enable multiple image size support in ffserver.
795 - added multi live feed support in ffserver
796 - suppressed master feature from ffserver (it should be done with an
797 external program which opens the .ffm url and writes it to another
799 - added preliminary support for video stream parsing (WAV and AVI half
800 done). Added proper support for audio/video file conversion in
802 - added preliminary support for video file sending from ffserver
803 - redesigning I/O subsystem: now using URL based input and output
805 - added WAV format support
806 - added "tty user interface" to ffmpeg to stop grabbing gracefully
807 - added MMX/SSE optimizations to SAD (Sums of Absolutes Differences)
808 (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo at atmlab.utfsm.cl>)
809 - added MMX DCT from mpeg2_movie 1.5 (Juanjo)
810 - added new motion estimation algorithms, log and phods (Juanjo)
811 - changed directories: libav for format handling, libavcodec for
817 - added stereo in MPEG audio encoder
822 - added 'high quality' mode which use motion vectors. It can be used in
823 real time at low resolution.
824 - fixed rounding problems which caused quality problems at high
825 bitrates and large GOP size
828 version 0.3.2: small fixes
834 version 0.3.1: added avi/divx support
837 - added MPEG-4 codec compatible with OpenDivX. It is based on the H.263 codec
838 - added sound for flash format (not tested)
841 version 0.3: initial public release