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)
29 - av_basename and av_dirname
30 - adobe and limelight publisher authentication in RTMP
31 - VDPAU hardware acceleration through normal hwaccel
36 - ashowinfo audio filter
37 - 24-bit FLAC encoding
39 - deprecated the avconv -vol option. the volume filter is to be used instead.
40 - multi-channel ALAC encoding up to 7.1
41 - TAK demuxer, parser, and decoder
42 - adaptive frame-level multithreading for H.264
46 - metadata (INFO tag) support in WAV muxer
47 - support for building DLLs using MSVC
48 - remove avserver daemon mode
49 - support building on the Plan 9 operating system
50 - ffv1: support version 1.3
55 - XWD encoder and decoder
56 - Support for fragmentation in the mov/mp4 muxer
57 - ISMV (Smooth Streaming) muxer
58 - CDXL demuxer and decoder
59 - Apple ProRes encoder
60 - Sun Rasterfile Encoder
62 - ID3v2 attached pictures reading and writing
63 - WMA Lossless decoder
65 - RealAudio Lossless decoder
67 - drop support for avconv without libavfilter
68 - add libavresample audio conversion library
69 - audio filters support in libavfilter and avconv
73 - avprobe output is now standard INI or JSON. The old format can still
76 - channelsplit audio filter
77 - RTMPT protocol support
78 - iLBC encoding/decoding via libilbc
79 - Microsoft Screen 1 decoder
81 - audio channel mapping filter
82 - Microsoft ATC Screen decoder
84 - TechSmith Screen Codec 2 decoder
85 - AAC encoding via libfdk-aac
86 - Microsoft Expression Encoder Screen decoder
87 - RTMPS protocol support
88 - RTMPTS protocol support
89 - JPEG 2000 encoding support through OpenJPEG
90 - G.723.1 demuxer and decoder
91 - RTMPE protocol support
92 - RTMPTE protocol support
93 - Canopus Lossless Codec decoder
94 - avconv -shortest option is now per-output file,
95 -pass and -passlogfile are now per-output stream
97 - Microsoft Screen 2 decoder
98 - RTP depacketization of JPEG
99 - Smooth Streaming live segmenter muxer
100 - RTP packetization of JPEG
101 - Opus decoder and encoder using libopus
102 - remove -same_quant, it hasn't worked for years
103 - support for building with MSVC
114 - Automatic thread count based on detection number of (available) CPU cores
115 - Deprecate libpostproc. If desired, the switch --enable-postproc will
116 enable it but it may be removed in a later Libav release.
117 - rv34: frame-level multi-threading
118 - optimized iMDCT transform on x86 using SSE for for mpegaudiodec
124 - Flash Screen Video 2 decoder
125 - ffplay/ffprobe/ffserver renamed to avplay/avprobe/avserver
126 - ffmpeg deprecated, added avconv, which is almost the same for now, except
127 for a few incompatible changes in the options, which will hopefully make them
128 easier to use. The changes are:
129 * The options placement is now strictly enforced! While in theory the
130 options for ffmpeg should be given in [input options] -i INPUT [output
131 options] OUTPUT order, in practice it was possible to give output options
132 before the -i and it mostly worked. Except when it didn't - the behavior was
133 a bit inconsistent. In avconv, it is not possible to mix input and output
134 options. All non-global options are reset after an input or output filename.
135 * All per-file options are now truly per-file - they apply only to the next
136 input or output file and specifying different values for different files
137 will now work properly (notably -ss and -t options).
138 * All per-stream options are now truly per-stream - it is possible to
139 specify which stream(s) should a given option apply to. See the Stream
140 specifiers section in the avconv manual for details.
141 * In ffmpeg some options (like -newvideo/-newaudio/...) are irregular in the
142 sense that they're specified after the output filename instead of before,
143 like all other options. In avconv this irregularity is removed, all options
144 apply to the next input or output file.
145 * -newvideo/-newaudio/-newsubtitle options were removed. Not only were they
146 irregular and highly confusing, they were also redundant. In avconv the -map
147 option will create new streams in the output file and map input streams to
148 them. E.g. avconv -i INPUT -map 0 OUTPUT will create an output stream for
149 each stream in the first input file.
150 * The -map option now has slightly different and more powerful syntax:
151 + Colons (':') are used to separate file index/stream type/stream index
152 instead of dots. Comma (',') is used to separate the sync stream instead
153 of colon.. This is done for consistency with other options.
154 + It's possible to specify stream type. E.g. -map 0:a:2 creates an
155 output stream from the third input audio stream.
156 + Omitting the stream index now maps all the streams of the given type,
157 not just the first. E.g. -map 0:s creates output streams for all the
158 subtitle streams in the first input file.
159 + Since -map can now match multiple streams, negative mappings were
160 introduced. Negative mappings disable some streams from an already
161 defined map. E.g. '-map 0 -map -0:a:1' means 'create output streams for
162 all the stream in the first input file, except for the second audio
164 * There is a new option -c (or -codec) for choosing the decoder/encoder to
165 use, which allows to precisely specify target stream(s) consistently with
166 other options. E.g. -c:v lib264 sets the codec for all video streams, -c:a:0
167 libvorbis sets the codec for the first audio stream and -c copy copies all
168 the streams without reencoding. Old -vcodec/-acodec/-scodec options are now
170 * It is now possible to precisely specify which stream should an AVOption
171 apply to. E.g. -b:v:0 2M sets the bitrate for the first video stream, while
172 -b:a 128k sets the bitrate for all audio streams. Note that the old -ab 128k
173 syntax is deprecated and will stop working soon.
174 * -map_chapters now takes only an input file index and applies to the next
175 output file. This is consistent with how all the other options work.
176 * -map_metadata now takes only an input metadata specifier and applies to
177 the next output file. Output metadata specifier is now part of the option
178 name, similarly to the AVOptions/map/codec feature above.
179 * -metadata can now be used to set metadata on streams and chapters, e.g.
180 -metadata:s:1 language=eng sets the language of the first stream to 'eng'.
181 This made -vlang/-alang/-slang options redundant, so they were removed.
182 * -qscale option now uses stream specifiers and applies to all streams, not
183 just video. I.e. plain -qscale number would now apply to all streams. To get
184 the old behavior, use -qscale:v. Also there is now a shortcut -q for -qscale
185 and -aq is now an alias for -q:a.
186 * -vbsf/-absf/-sbsf options were removed and replaced by a -bsf option which
187 uses stream specifiers. Use -bsf:v/a/s instead of the old options.
188 * -itsscale option now uses stream specifiers, so its argument is only the
190 * -intra option was removed, use -g 0 for the same effect.
191 * -psnr option was removed, use -flags +psnr for the same effect.
192 * -vf option is now an alias to the new -filter option, which uses stream specifiers.
193 * -vframes/-aframes/-dframes options are now aliases to the new -frames option.
194 * -vtag/-atag/-stag options are now aliases to the new -tag option.
196 - Windows Media Image decoder
200 - libcdio-paranoia input device for audio CD grabbing
202 - Apple ProRes decoder
203 - CELT in Ogg demuxing
204 - VC-1 interlaced decoding
205 - lut, lutrgb, and lutyuv filters
208 - Speex encoding via libspeex
209 - 4:2:2 H.264 decoding support
210 - 4:2:2 and 4:4:4 H.264 encoding with libx264
211 - Pulseaudio input device
212 - replacement Indeo 3 decoder
213 - TLS/SSL and HTTPS protocol support
214 - AVOptions API rewritten and documented
215 - most of CODEC_FLAG2_*, some CODEC_FLAG_* and many codec-specific fields in
216 AVCodecContext deprecated. Codec private options should be used instead.
217 - Properly working defaults in libx264 wrapper, support for native presets.
218 - Encrypted OMA files support
219 - Discworld II BMV decoding support
221 - OS X Video Decoder Acceleration (VDA) support
222 - CRI ADX audio format muxer and demuxer
223 - Playstation Portable PMP format demuxer
224 - PCM format support in OMA demuxer
226 - Dxtory capture format decoder
227 - v410 QuickTime uncompressed 4:4:4 10-bit encoder and decoder
229 - Simple segmenting muxer
236 - E-AC-3 audio encoder
237 - ac3enc: add channel coupling support
238 - floating-point sample format support for (E-)AC-3, DCA, AAC, Vorbis decoders
239 - H.264/MPEG frame-level multithreading
240 - av_metadata_* functions renamed to av_dict_* and moved to libavutil
241 - 4:4:4 H.264 decoding support
242 - 10-bit H.264 optimizations for x86
243 - bump libswscale for recently reported ABI break
248 - VP8 frame-level multithreading
249 - NEON optimizations for VP8
250 - removed a lot of deprecated API cruft
251 - FFT and IMDCT optimizations for AVX (Sandy Bridge) processors
253 - SMPTE 302M AES3 audio decoder
254 - ffmpeg no longer quits after the 'q' key is pressed; use 'ctrl+c' instead
255 - 9bit and 10bit per sample support in the H.264 decoder
260 - WebM support in Matroska de/muxer
261 - low overhead Ogg muxing
263 - VP8 de/encoding via libvpx
264 - Demuxer for On2's IVF format
265 - Pictor/PC Paint decoder
267 - libfaad2 wrapper removed
268 - DTS-ES extension (XCh) decoding support
270 - RTSP tunneling over HTTP
271 - RTP depacketization of SVQ3
272 - -strict inofficial replaced by -strict unofficial
273 - ffplay -exitonkeydown and -exitonmousedown options added
274 - native GSM / GSM MS decoder
275 - RTP depacketization of QDM2
276 - ANSI/ASCII art playback system
277 - Lego Mindstorms RSO de/muxer
278 - SubRip subtitle file muxer and demuxer
279 - Chinese AVS encoding via libxavs
280 - ffprobe -show_packets option added
281 - RTP packetization of Theora and Vorbis
282 - RTP depacketization of MP4A-LATM
283 - RTP packetization and depacketization of VP8
285 - Apple HTTP Live Streaming demuxer
288 - G.722 ADPCM audio encoder/decoder
291 - frei0r wrapper filter
292 - change crop filter syntax to width:height:x:y
293 - make the crop filter accept parametric expressions
294 - make ffprobe accept AVFormatContext options
297 - Demuxer for Leitch/Harris' VR native stream format (LXF)
298 - RTP depacketization of the X-QT QuickTime format
299 - SAP (Session Announcement Protocol, RFC 2974) muxer and demuxer
301 - ffmpeg -crop* options removed
302 - transpose filter added
303 - ffmpeg -force_key_frames option added
304 - demuxer for receiving raw rtp:// URLs without an SDP description
305 - single stream LATM/LOAS decoder
306 - setpts filter added
307 - Win64 support for optimized x86 assembly functions
308 - MJPEG/AVI1 to JPEG/JFIF bitstream filter
309 - ASS subtitle encoder and decoder
310 - IEC 61937 encapsulation for E-AC-3, TrueHD, DTS-HD (for HDMI passthrough)
311 - overlay filter added
312 - rename aspect filter to setdar, and pixelaspect to setsar
314 - Mobotix .mxg demuxer
315 - frei0r source added
316 - hqdn3d filter added
317 - RTP depacketization of QCELP
319 - gradfun filter added
321 - replace the ocv_smooth filter with a more generic ocv filter
322 - Windows Televison (WTV) demuxer
323 - FFmpeg metadata format muxer and demuxer
324 - SubRip (srt) subtitle decoder
325 - floating-point AC-3 encoder added
327 - ffmpeg -copytb option added
329 - Wing Commander IV movies decoder added
331 - Bink version 'b' audio and video decoder
332 - Bitmap Brothers JV playback system
333 - Apple HTTP Live Streaming protocol handler
334 - sndio support for playback and record
335 - Linux framebuffer input device added
336 - Chronomaster DFA decoder
337 - Mobotix MxPEG decoder
338 - AAC encoding via libvo-aacenc
339 - AMR-WB encoding via libvo-amrwbenc
341 - fieldorder video filter added
346 - PB-frame decoding for H.263
347 - deprecated vhook subsystem removed
348 - deprecated old scaler removed
350 - Alpha channel scaler
352 - RTP packetization of H.263
353 - RTP packetization of AMR
354 - RTP depacketization of Vorbis
355 - CorePNG decoding support
356 - Cook multichannel decoding support
357 - introduced avlanguage helpers in libavformat
358 - 8088flex TMV demuxer and decoder
359 - per-stream language-tags extraction in asfdec
360 - V210 decoder and encoder
361 - remaining GPL parts in AC-3 decoder converted to LGPL
363 - SoX native format muxer and demuxer
364 - AMR-NB decoding/encoding, AMR-WB decoding via OpenCORE libraries
366 - Electronic Arts Madcow decoder
367 - DivX (XSUB) subtitle encoder
368 - nonfree libamr support for AMR-NB/WB decoding/encoding removed
369 - experimental AAC encoder
370 - RTP depacketization of ASF and RTSP from WMS servers
371 - RTMP support in libavformat
372 - noX handling for OPT_BOOL X options
374 - IEC-61937 compatible Muxer
376 - Bluray (PGS) subtitle decoder
377 - LPCM support in MPEG-TS (HDMV RID as found on Blu-ray disks)
379 - Core Audio Format demuxer
381 - MD STUDIO audio demuxer
382 - RF64 support in WAV demuxer
383 - MPEG-4 Audio Lossless Coding (ALS) decoder
384 - -formats option split into -formats, -codecs, -bsfs, and -protocols
386 - CDG demuxer and decoder
388 - Auravision Aura 1 and 2 decoders
389 - Deluxe Paint Animation playback system
391 - Adobe Filmstrip muxer and demuxer
392 - RTP depacketization of H.263
393 - Bink demuxer and audio/video decoders
394 - enable symbol versioning by default for linkers that support it
395 - IFF PBM/ILBM bitmap decoder
398 - RTP depacketization of AMR
404 - Kega Game Video (KGV1) decoder
405 - VorbisComment writing for FLAC, Ogg FLAC and Ogg Speex files
406 - RTP depacketization of Theora
407 - HTTP Digest authentication
408 - RTMP/RTMPT/RTMPS/RTMPE/RTMPTE protocol support via librtmp
409 - Psygnosis YOP demuxer and video decoder
410 - spectral extension support in the E-AC-3 decoder
411 - unsharp video filter
412 - RTP hinting in the mov/3gp/mp4 muxer
413 - Dirac in Ogg demuxing
414 - seek to keyframes in Ogg
415 - 4:2:2 and 4:4:4 Theora decoding
416 - 35% faster VP3/Theora decoding
417 - faster AAC decoding
418 - faster H.264 decoding
419 - RealAudio 1.0 (14.4K) encoder
424 - DV50 AKA DVCPRO50 encoder, decoder, muxer and demuxer
425 - TechSmith Camtasia (TSCC) video decoder
426 - IBM Ultimotion (ULTI) video decoder
427 - Sierra Online audio file demuxer and decoder
428 - Apple QuickDraw (qdrw) video decoder
429 - Creative ADPCM audio decoder (16 bits as well as 8 bits schemes)
430 - Electronic Arts Multimedia (WVE/UV2/etc.) file demuxer
431 - Miro VideoXL (VIXL) video decoder
432 - H.261 video encoder
434 - Nullsoft Video (NSV) file demuxer
435 - Shorten audio decoder
437 - Apple Lossless Audio Codec (ALAC) decoder
438 - Winnov WNV1 video decoder
439 - Autodesk Animator Studio Codec (AASC) decoder
440 - Indeo 2 video decoder
441 - Fraps FPS1 video decoder
442 - Snow video encoder/decoder
443 - Sonic audio encoder/decoder
444 - Vorbis audio decoder
445 - Macromedia ADPCM decoder
446 - Duck TrueMotion 2 video decoder
447 - support for decoding FLX and DTA extensions in FLIC files
448 - H.264 custom quantization matrices support
449 - ffserver fixed, it should now be usable again
451 - Real Cooker audio decoder
452 - TrueSpeech audio decoder
453 - WMA2 audio decoder fixed, now all files should play correctly
454 - RealAudio 14.4 and 28.8 decoders fixed
456 - build system improvements
457 - tabs and trailing whitespace removed from the codebase
458 - CamStudio video decoder
459 - AIFF/AIFF-C audio format, encoding and decoding
460 - ADTS AAC file reading and writing
461 - Creative VOC file reading and writing
462 - American Laser Games multimedia (*.mm) playback system
463 - Zip Motion Blocks Video decoder
464 - improved Theora/VP3 decoder
465 - True Audio (TTA) decoder
466 - AVS demuxer and video decoder
468 - Smacker demuxer and decoder
469 - NuppelVideo/MythTV demuxer and RTjpeg decoder
471 - MPEG-2 intra VLC support
472 - MPEG-2 4:2:2 encoder
473 - Flash Screen Video decoder
475 - Chinese AVS decoder
478 - VC-1/WMV3/WMV9 video decoder
481 - VMware video decoder
484 - WavPack lossless audio decoder
485 - Targa (.TGA) picture decoder
486 - Vorbis audio encoder
487 - Delphine Software .cin demuxer/audio and video decoder
488 - Tiertex .seq demuxer/video decoder
490 - TIFF picture encoder and decoder
491 - GIF picture decoder
492 - Intel Music Coder decoder
493 - Zip Motion Blocks Video encoder
495 - Flash Screen Video encoder
496 - Theora encoding via libtheora
499 - GSM-MS encoder and decoder
501 - DXA demuxer and decoder
503 - Gamecube movie (.THP) playback system
504 - Blackfin optimizations
505 - Interplay C93 demuxer and video decoder
506 - Bethsoft VID demuxer and video decoder
509 - V.Flash PTX decoder
510 - RoQ muxer, RoQ audio encoder
511 - Renderware TXD demuxer and decoder
512 - extern C declarations for C++ removed from headers
513 - sws_flags command line option
517 - OS/2 support removed and restored again
520 - additional SPARC (VIS) optimizations
522 - slice-based parallel H.264 decoding
523 - Monkey's Audio demuxer and decoder
524 - AMV audio and video decoder
526 - H.264 PAFF decoding
527 - Nellymoser ASAO decoder
528 - Beam Software SIFF demuxer and decoder
529 - libvorbis Vorbis decoding removed in favor of native decoder
530 - IntraX8 (J-Frame) subdecoder for WMV2 and VC-1
531 - Ogg (Theora, Vorbis and FLAC) muxer
532 - The "device" muxers and demuxers are now in a new libavdevice library
533 - PC Paintbrush PCX decoder
534 - Sun Rasterfile decoder
535 - TechnoTrend PVA demuxer
536 - Linux Media Labs MPEG-4 (LMLM4) demuxer
537 - AVM2 (Flash 9) SWF muxer
538 - QT variant of IMA ADPCM encoder
540 - iPod/iPhone compatible mp4 muxer
542 - MSN TCP Webcam stream demuxer
543 - RL2 demuxer / decoder
546 - non-recursive Makefiles
548 - MAXIS EA XA (.xa) demuxer / decoder
552 - Electronic Arts CMV decoder
553 - Motion Pixels Video decoder
554 - Motion Pixels MVI demuxer
555 - removed animated GIF decoder/demuxer
556 - D-Cinema audio muxer
557 - Electronic Arts TGV decoder
558 - Apple Lossless Audio Codec (ALAC) encoder
560 - floating point PCM encoder/decoder
562 - DV100 AKA DVCPRO HD decoder and demuxer
563 - E-AC-3 support added to AC-3 decoder
564 - Nellymoser ASAO encoder
565 - ASS and SSA demuxer and muxer
566 - liba52 wrapper removed
567 - SVQ3 watermark decoding support
568 - Speex decoding via libspeex
569 - Electronic Arts TGQ decoder
571 - QCELP / PureVoice decoder
573 - hybrid WavPack support
574 - R3D REDCODE demuxer
575 - ALSA support for playback and record
576 - Electronic Arts TQI decoder
577 - OpenJPEG based JPEG 2000 decoder
578 - NC (NC4600) camera file demuxer
579 - Gopher client support
581 - generic metadata API
586 - DV encoder, DV muxer
587 - Microsoft RLE video decoder
588 - Microsoft Video-1 decoder
589 - Apple Animation (RLE) decoder
590 - Apple Graphics (SMC) decoder
591 - Apple Video (RPZA) decoder
593 - Sega FILM (CPK) file demuxer
594 - Westwood multimedia support (VQA & AUD files)
595 - Id Quake II CIN playback support
597 - FLIC playback support
598 - RealVideo 2.0 (RV20) decoder
599 - Duck TrueMotion v1 (DUCK) video decoder
600 - Sierra VMD demuxer and video decoder
601 - MSZH and ZLIB decoder support
605 - rate distortion optimal cbp support
606 - rate distorted optimal ac prediction for MPEG-4
607 - rate distorted optimal lambda->qp support
608 - AAC encoding with libfaac
609 - Sunplus JPEG codec (SP5X) support
610 - use Lagrange multipler instead of QP for ratecontrol
611 - Theora/VP3 decoding support
612 - XA and ADX ADPCM codecs
613 - export MPEG-2 active display area / pan scan
614 - Add support for configuring with IBM XLC
615 - floating point AAN DCT
616 - initial support for zygo video (not complete)
618 - new audio/video parser API
620 - av_read_frame() and av_seek_frame() support
621 - missing last frame fixes
622 - seek by mouse in ffplay
623 - noise reduction of DCT coefficients
624 - H.263 OBMC & 4MV support
625 - H.263 alternative inter vlc support
627 - H.263 slice structured mode
628 - interlaced DCT support for MPEG-2 encoding
629 - stuffing to stay above min_bitrate
630 - MB type & QP visualization
631 - frame stepping for ffplay
632 - interlaced motion estimation
633 - alternate scantable support
634 - SVCD scan offset support
637 - quantizer noise shaping
638 - G.726 ADPCM audio codec
640 - multithreaded/SMP motion estimation
641 - multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263
642 - multithreaded/SMP decoding for MPEG-2
644 - Metrowerks CodeWarrior suppport
645 - H.263+ custom pcf support
646 - nicer output for 'ffmpeg -formats'
648 - SGI image format, encoding and decoding
649 - H.264 loop filter support
650 - H.264 CABAC support
651 - nicer looking arrows for the motion vector visualization
652 - improved VCD support
653 - audio timestamp drift compensation
654 - MPEG-2 YUV 422/444 support
655 - polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample
656 - better image scaling
658 - correctly interleave packets during encoding
659 - VIS optimized motion compensation
660 - intra_dc_precision>0 encoding support
661 - support reuse of motion vectors/MB types/field select values of the source video
662 - more accurate deblock filter
664 - many optimizations and bugfixes
665 - FunCom ISS audio file demuxer and according ADPCM decoding
670 - MPEG-2 video encoding (Michael)
671 - Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)
672 - Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson
674 - Xan DPCM audio decoder (Mario Brito)
675 - Interplay MVE playback subsystem (Mike Melanson)
676 - Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)
681 - RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from mplayerhq
682 (originally from public domain player for Amiga at http://www.honeypot.net/audio)
683 - current version now also compiles with older GCC (Fabrice)
684 - 4X multimedia playback system including 4xm file demuxer (Mike
685 Melanson), and 4X video and audio codecs (Michael)
686 - Creative YUV (CYUV) decoder (Mike Melanson)
687 - FFV1 codec (our very simple lossless intra only codec, compresses much better
688 than HuffYUV) (Michael)
689 - ASV1 (Asus), H.264, Intel indeo3 codecs have been added (various)
690 - tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with
691 alpha support), JPEG YUV colorspace support. (Fabrice Bellard)
692 - ffplay has been replaced with a newer version which uses SDL (optionally)
693 for multiplatform support (Fabrice)
694 - Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated
696 - AMR format has been added (Johannes Carlsson)
697 - 3GP support has been added (Johannes Carlsson)
698 - VP3 codec has been added (Mike Melanson)
699 - more MPEG-1/2 fixes
700 - better multiplatform support, MS Visual Studio fixes (various)
701 - AltiVec optimizations (Magnus Damn and others)
702 - SH4 processor support has been added (BERO)
703 - new public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)
704 - VOB streaming support (Brian Foley)
705 - better MP3 autodetection (Andriy Rysin)
706 - qpel encoding (Michael)
707 - 4mv+b frames encoding finally fixed (Michael)
708 - chroma ME (Michael)
709 - 5 comparison functions for ME (Michael)
710 - B-frame encoding speedup (Michael)
711 - WMV2 codec (unfinished - Michael)
712 - user specified diamond size for EPZS (Michael)
713 - Playstation STR playback subsystem, still experimental (Mike and Michael)
714 - ASV2 codec (Michael)
715 - CLJR decoder (Alex)
717 .. And lots more new enhancements and fixes.
722 - completely new integer only MPEG audio layer 1/2/3 decoder rewritten
724 - Recoded DCT and motion vector search with gcc (no longer depends on nasm)
725 - fix quantization bug in AC3 encoder
726 - added PCM codecs and format. Corrected WAV/AVI/ASF PCM issues
727 - added prototype ffplay program
728 - added GOB header parsing on H.263/H.263+ decoder (Juanjo)
729 - bug fix on MCBPC tables of H.263 (Juanjo)
730 - bug fix on DC coefficients of H.263 (Juanjo)
731 - added Advanced Prediction Mode on H.263/H.263+ decoder (Juanjo)
732 - now we can decode H.263 streams found in QuickTime files (Juanjo)
733 - now we can decode H.263 streams found in VIVO v1 files(Juanjo)
734 - preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)
735 - added GOB header for H.263/H.263+ coding on RTP mode (Juanjo)
736 - now H.263 picture size is returned on the first decoded frame (Juanjo)
737 - added first regression tests
738 - added MPEG-2 TS demuxer
739 - new demux API for libav
740 - more accurate and faster IDCT (Michael)
741 - faster and entropy-controlled motion search (Michael)
742 - two pass video encoding (Michael)
743 - new video rate control (Michael)
744 - added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)
745 - great performance improvement of video encoders and decoders (Michael)
746 - new and faster bit readers and vlc parsers (Michael)
747 - high quality encoding mode: tries all macroblock/VLC types (Michael)
748 - added DV video decoder
749 - preliminary RTP/RTSP support in ffserver and libavformat
750 - H.263+ AIC decoding/encoding support (Juanjo)
751 - VCD MPEG-PS mode (Juanjo)
752 - PSNR stuff (Juanjo)
753 - simple stats output (Juanjo)
754 - 16-bit and 15-bit RGB/BGR/GBR support (Bisqwit)
759 - some header fixes (Zdenek Kabelac <kabi at informatics.muni.cz>)
760 - many MMX optimizations (Nick Kurshev <nickols_k at mail.ru>)
761 - added configure system (actually a small shell script)
762 - added MPEG audio layer 1/2/3 decoding using LGPL'ed mpglib by
763 Michael Hipp (temporary solution - waiting for integer only
765 - fixed VIDIOCSYNC interrupt
766 - added Intel H.263 decoding support ('I263' AVI fourCC)
767 - added Real Video 1.0 decoding (needs further testing)
768 - simplified image formats again. Added PGM format (=grey
769 pgm). Renamed old PGM to PGMYUV.
770 - fixed msmpeg4 slice issues (tell me if you still find problems)
771 - fixed OpenDivX bugs with newer versions (added VOL header decoding)
772 - added support for MPlayer interface
773 - added macroblock skip optimization
774 - added MJPEG decoder
775 - added mmx/mmxext IDCT from libmpeg2
776 - added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer
777 <celer at shell.scrypt.net>)
778 - added pixel format conversion layer (e.g. for MJPEG or PPM)
779 - added deinterlacing option
781 - MPEG-4 vol header fixes (Jonathan Marsden <snmjbm at pacbell.net>)
782 - ARM optimizations (Lionel Ulmer <lionel.ulmer at free.fr>).
783 - Windows porting of file converter
784 - added MJPEG raw format (input/ouput)
785 - added JPEG image format support (input/output)
790 - fixed some std header definitions (Bjorn Lindgren
791 <bjorn.e.lindgren at telia.com>).
792 - added MPEG demuxer (MPEG-1 and 2 compatible).
794 - added prototype RM demuxer
795 - added AC3 decoding (done with libac3 by Aaron Holtzman)
796 - added decoding codec parameter guessing (.e.g. for MPEG, because the
797 header does not include them)
798 - fixed header generation in MPEG-1, AVI and ASF muxer: wmplayer can now
799 play them (only tested video)
800 - fixed H.263 white bug
801 - fixed phase rounding in img resample filter
802 - add MMX code for polyphase img resample filter
803 - added CPU autodetection
804 - added generic title/author/copyright/comment string handling (ASF and RM
806 - added SWF demux to extract MP3 track (not usable yet because no MP3
808 - added fractional frame rate support
809 - codecs are no longer searched by read_header() (should fix ffserver
815 - BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq at amsat.org>)
816 - fixed raw yuv output
817 - added motion rounding support in MPEG-4
818 - fixed motion bug rounding in MSMPEG4
819 - added B-frame handling in video core
820 - added full MPEG-1 decoding support
821 - added partial (frame only) MPEG-2 support
822 - changed the FOURCC code for H.263 to "U263" to be able to see the
823 +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with
824 this +codec ;) (JuanJo).
825 - Halfpel motion estimation after MB type selection (JuanJo)
826 - added pgm and .Y.U.V output format
827 - suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or
829 - added pgmpipe I/O format (original patch from Martin Aumueller
830 <lists at reserv.at>, but changed completely since we use a format
831 instead of a protocol)
836 - added H.263/MPEG-4/MSMPEG4 decoding support. MPEG-4 decoding support
837 (for OpenDivX) is almost complete: 8x8 MVs and rounding are
838 missing. MSMPEG4 support is complete.
839 - added prototype MPEG-1 decoder. Only I- and P-frames handled yet (it
840 can decode ffmpeg MPEGs :-)).
841 - added libavcodec API documentation (see apiexample.c).
842 - fixed image polyphase bug (the bottom of some images could be
844 - added support for non clipped motion vectors (decoding only)
845 and image sizes non-multiple of 16
846 - added support for AC prediction (decoding only)
847 - added file overwrite confirmation (can be disabled with -y)
848 - added custom size picture to H.263 using H.263+ (Juanjo)
853 - added MSMPEG4 (aka DivX) compatible encoder. Changed default codec
854 of AVI and ASF to DIV3.
855 - added -me option to set motion estimation method
856 (default=log). suppressed redundant -hq option.
857 - added options -acodec and -vcodec to force a given codec (useful for
860 - improved dct_quantize speed
861 - factorized some motion estimation code
866 - removing grab code from ffserver and moved it to ffmpeg. Added
867 multistream support to ffmpeg.
868 - added timeshifting support for live feeds (option ?date=xxx in the
870 - added high quality image resize code with polyphase filter (need
871 mmx/see optimization). Enable multiple image size support in ffserver.
872 - added multi live feed support in ffserver
873 - suppressed master feature from ffserver (it should be done with an
874 external program which opens the .ffm url and writes it to another
876 - added preliminary support for video stream parsing (WAV and AVI half
877 done). Added proper support for audio/video file conversion in
879 - added preliminary support for video file sending from ffserver
880 - redesigning I/O subsystem: now using URL based input and output
882 - added WAV format support
883 - added "tty user interface" to ffmpeg to stop grabbing gracefully
884 - added MMX/SSE optimizations to SAD (Sums of Absolutes Differences)
885 (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo at atmlab.utfsm.cl>)
886 - added MMX DCT from mpeg2_movie 1.5 (Juanjo)
887 - added new motion estimation algorithms, log and phods (Juanjo)
888 - changed directories: libav for format handling, libavcodec for
894 - added stereo in MPEG audio encoder
899 - added 'high quality' mode which use motion vectors. It can be used in
900 real time at low resolution.
901 - fixed rounding problems which caused quality problems at high
902 bitrates and large GOP size
905 version 0.3.2: small fixes
911 version 0.3.1: added avi/divx support
914 - added MPEG-4 codec compatible with OpenDivX. It is based on the H.263 codec
915 - added sound for flash format (not tested)
918 version 0.3: initial public release