1 Entries are sorted chronologically from oldest to youngest within each release,
2 releases are sorted from youngest to oldest.
5 - INI and flat output in ffprobe
6 - Scene detection in libavfilter
8 - channelsplit audio filter
9 - setnsamples audio filter
11 - ffprobe -show_data option
12 - RTMPT protocol support
13 - iLBC encoding/decoding via libilbc
14 - Microsoft Screen 1 decoder
16 - audio channel mapping filter
17 - Microsoft ATC Screen decoder
19 - TechSmith Screen Codec 2 decoder
20 - AAC encoding via libfdk-aac
21 - Microsoft Expression Encoder Screen decoder
22 - RTMPS protocol support
23 - RTMPTS protocol support
24 - RTMPE protocol support
25 - RTMPTE protocol support
27 - LucasArts SMUSH playback support
28 - SAMI, RealText and SubViewer demuxers and decoders
29 - Heart Of Darkness PAF playback support
32 - new option: -progress
33 - 3GPP Timed Text encoder/decoder
34 - GeoTIFF decoder support
35 - ffmpeg -(no)stdin option
36 - Opus decoder using libopus
37 - caca output device using libcaca
38 - alphaextract and alphamerge filters
41 - Canopus Lossless Codec decoder
46 - Fixes: CVE-2012-2772, CVE-2012-2774, CVE-2012-2775, CVE-2012-2776, CVE-2012-2777,
47 CVE-2012-2779, CVE-2012-2782, CVE-2012-2783, CVE-2012-2784, CVE-2012-2785,
48 CVE-2012-2786, CVE-2012-2787, CVE-2012-2788, CVE-2012-2789, CVE-2012-2790,
49 CVE-2012-2791, CVE-2012-2792, CVE-2012-2793, CVE-2012-2794, CVE-2012-2795,
50 CVE-2012-2796, CVE-2012-2797, CVE-2012-2798, CVE-2012-2799, CVE-2012-2800,
51 CVE-2012-2801, CVE-2012-2802, CVE-2012-2803, CVE-2012-2804,
52 - v408 Quicktime and Microsoft AYUV Uncompressed 4:4:4:4 encoder and decoder
54 - CDXL demuxer and decoder
55 - Apple ProRes encoder
56 - ffprobe -count_packets and -count_frames options
57 - Sun Rasterfile Encoder
58 - ID3v2 attached pictures reading and writing
59 - WMA Lossless decoder
62 - libutvideo encoder wrapper (--enable-libutvideo)
65 - XBM encoder and decoder
66 - RealAudio Lossless decoder
69 - Metal Gear Solid: The Twin Snakes demuxer
70 - OpenEXR image decoder
72 - drop support for ffmpeg without libavfilter
73 - drawtext video filter: fontconfig support
74 - ffmpeg -benchmark_all option
75 - super2xsai filter ported from libmpcodecs
76 - add libavresample audio conversion library for compatibility
78 - Avid Meridien (AVUI) encoder and decoder
79 - accept + prefix to -pix_fmt option to disable automatic conversions.
80 - complete audio filtering in libavfilter and ffmpeg
89 - Fixes: CVE-2011-3929, CVE-2011-3934, CVE-2011-3935, CVE-2011-3936,
90 CVE-2011-3937, CVE-2011-3940, CVE-2011-3941, CVE-2011-3944,
91 CVE-2011-3945, CVE-2011-3946, CVE-2011-3947, CVE-2011-3949,
92 CVE-2011-3950, CVE-2011-3951, CVE-2011-3952
93 - v410 Quicktime Uncompressed 4:4:4 10-bit encoder and decoder
94 - SBaGen (SBG) binaural beats script demuxer
96 - Timecode extraction in DV and MOV
97 - thumbnail video filter
98 - XML output in ffprobe
100 - tinterlace video filter
101 - astreamsync audio filter
102 - amerge audio filter
103 - ISMV (Smooth Streaming) muxer
106 - XWD encoder and decoder
107 - Automatic thread count based on detection number of (available) CPU cores
108 - y41p Brooktree Uncompressed 4:1:1 12-bit encoder and decoder
109 - ffprobe -show_error option
110 - Avid 1:1 10-bit RGB Packer codec
111 - v308 Quicktime Uncompressed 4:4:4 encoder and decoder
112 - yuv4 libquicktime packed 4:2:0 encoder and decoder
113 - ffprobe -show_frames option
114 - silencedetect audio filter
115 - ffprobe -show_program_version, -show_library_versions, -show_versions options
116 - rv34: frame-level multi-threading
117 - optimized iMDCT transform on x86 using SSE for for mpegaudiodec
118 - Improved PGS subtitle decoder
119 - dumpgraph option to lavfi device
120 - r210 and r10k encoders
121 - ffwavesynth decoder
128 - openal input device added
129 - boxblur filter added
131 - Flash Screen Video 2 decoder
132 - lavfi input device added
133 - added avconv, which is almost the same for now, except
134 for a few incompatible changes in the options, which will hopefully make them
135 easier to use. The changes are:
136 * The options placement is now strictly enforced! While in theory the
137 options for ffmpeg should be given in [input options] -i INPUT [output
138 options] OUTPUT order, in practice it was possible to give output options
139 before the -i and it mostly worked. Except when it didn't - the behavior was
140 a bit inconsistent. In avconv, it is not possible to mix input and output
141 options. All non-global options are reset after an input or output filename.
142 * All per-file options are now truly per-file - they apply only to the next
143 input or output file and specifying different values for different files
144 will now work properly (notably -ss and -t options).
145 * All per-stream options are now truly per-stream - it is possible to
146 specify which stream(s) should a given option apply to. See the Stream
147 specifiers section in the avconv manual for details.
148 * In ffmpeg some options (like -newvideo/-newaudio/...) are irregular in the
149 sense that they're specified after the output filename instead of before,
150 like all other options. In avconv this irregularity is removed, all options
151 apply to the next input or output file.
152 * -newvideo/-newaudio/-newsubtitle options were removed. Not only were they
153 irregular and highly confusing, they were also redundant. In avconv the -map
154 option will create new streams in the output file and map input streams to
155 them. E.g. avconv -i INPUT -map 0 OUTPUT will create an output stream for
156 each stream in the first input file.
157 * The -map option now has slightly different and more powerful syntax:
158 + Colons (':') are used to separate file index/stream type/stream index
159 instead of dots. Comma (',') is used to separate the sync stream instead
160 of colon.. This is done for consistency with other options.
161 + It's possible to specify stream type. E.g. -map 0:a:2 creates an
162 output stream from the third input audio stream.
163 + Omitting the stream index now maps all the streams of the given type,
164 not just the first. E.g. -map 0:s creates output streams for all the
165 subtitle streams in the first input file.
166 + Since -map can now match multiple streams, negative mappings were
167 introduced. Negative mappings disable some streams from an already
168 defined map. E.g. '-map 0 -map -0:a:1' means 'create output streams for
169 all the stream in the first input file, except for the second audio
171 * There is a new option -c (or -codec) for choosing the decoder/encoder to
172 use, which allows to precisely specify target stream(s) consistently with
173 other options. E.g. -c:v lib264 sets the codec for all video streams, -c:a:0
174 libvorbis sets the codec for the first audio stream and -c copy copies all
175 the streams without reencoding. Old -vcodec/-acodec/-scodec options are now
177 * It is now possible to precisely specify which stream should an AVOption
178 apply to. E.g. -b:v:0 2M sets the bitrate for the first video stream, while
179 -b:a 128k sets the bitrate for all audio streams. Note that the old -ab 128k
180 syntax is deprecated and will stop working soon.
181 * -map_chapters now takes only an input file index and applies to the next
182 output file. This is consistent with how all the other options work.
183 * -map_metadata now takes only an input metadata specifier and applies to
184 the next output file. Output metadata specifier is now part of the option
185 name, similarly to the AVOptions/map/codec feature above.
186 * -metadata can now be used to set metadata on streams and chapters, e.g.
187 -metadata:s:1 language=eng sets the language of the first stream to 'eng'.
188 This made -vlang/-alang/-slang options redundant, so they were removed.
189 * -qscale option now uses stream specifiers and applies to all streams, not
190 just video. I.e. plain -qscale number would now apply to all streams. To get
191 the old behavior, use -qscale:v. Also there is now a shortcut -q for -qscale
192 and -aq is now an alias for -q:a.
193 * -vbsf/-absf/-sbsf options were removed and replaced by a -bsf option which
194 uses stream specifiers. Use -bsf:v/a/s instead of the old options.
195 * -itsscale option now uses stream specifiers, so its argument is only the
197 * -intra option was removed, use -g 0 for the same effect.
198 * -psnr option was removed, use -flags +psnr for the same effect.
199 * -vf option is now an alias to the new -filter option, which uses stream specifiers.
200 * -vframes/-aframes/-dframes options are now aliases to the new -frames option.
201 * -vtag/-atag/-stag options are now aliases to the new -tag option.
204 - ashowinfo filter added
205 - Windows Media Image decoder
206 - amovie source added
208 - Speex encoder via libspeex
209 - JSON output in ffprobe
211 - Optional C++ Support (needed for libstagefright)
212 - H.264 Decoding on Android via Stagefright
214 - BIN/XBIN/ADF/IDF text file decoder
215 - aconvert audio filter added
216 - audio support to lavfi input device added
217 - libcdio-paranoia input device for audio CD grabbing
218 - Apple ProRes decoder
219 - CELT in Ogg demuxing
220 - G.723.1 demuxer and decoder
221 - libmodplug support (--enable-libmodplug)
222 - VC-1 interlaced decoding
223 - libutvideo wrapper (--enable-libutvideo)
224 - aevalsrc audio source added
226 - Speex encoding via libspeex
227 - 4:2:2 H.264 decoding support
228 - 4:2:2 and 4:4:4 H.264 encoding with libx264
229 - Pulseaudio input device
231 - Video Decoder Acceleration (VDA) HWAccel module.
232 - replacement Indeo 3 decoder
233 - new ffmpeg option: -map_channel
234 - volume audio filter added
235 - earwax audio filter added
236 - libv4l2 support (--enable-libv4l2)
237 - TLS/SSL and HTTPS protocol support
238 - AVOptions API rewritten and documented
239 - most of CODEC_FLAG2_*, some CODEC_FLAG_* and many codec-specific fields in
240 AVCodecContext deprecated. Codec private options should be used instead.
241 - Properly working defaults in libx264 wrapper, support for native presets.
242 - Encrypted OMA files support
243 - Discworld II BMV decoding support
245 - OS X Video Decoder Acceleration (VDA) support
246 - compact and csv output in ffprobe
248 - IFF Amiga Continuous Bitmap (ACBM) decoder
250 - CRI ADX audio format muxer and demuxer
251 - Playstation Portable PMP format demuxer
252 - Microsoft Windows ICO demuxer
254 - PCM format support in OMA demuxer
256 - new option: -report
257 - Dxtory capture format decoder
259 - Simple segmenting muxer
266 - many many things we forgot because we rather write code than changelogs
267 - WebM support in Matroska de/muxer
268 - low overhead Ogg muxing
270 - VP8 de/encoding via libvpx
271 - Demuxer for On2's IVF format
272 - Pictor/PC Paint decoder
274 - HE-AAC v2 encoding with libaacplus
275 - libfaad2 wrapper removed
276 - DTS-ES extension (XCh) decoding support
278 - RTSP tunneling over HTTP
279 - RTP depacketization of SVQ3
280 - -strict inofficial replaced by -strict unofficial
281 - ffplay -exitonkeydown and -exitonmousedown options added
282 - native GSM / GSM MS decoder
283 - RTP depacketization of QDM2
284 - ANSI/ASCII art playback system
285 - Lego Mindstorms RSO de/muxer
286 - libavcore added (and subsequently removed)
287 - SubRip subtitle file muxer and demuxer
288 - Chinese AVS encoding via libxavs
289 - ffprobe -show_packets option added
290 - RTP packetization of Theora and Vorbis
291 - RTP depacketization of MP4A-LATM
292 - RTP packetization and depacketization of VP8
294 - Apple HTTP Live Streaming demuxer
297 - G.722 ADPCM audio encoder/decoder
300 - frei0r wrapper filter
301 - change crop filter syntax to width:height:x:y
302 - make the crop filter accept parametric expressions
303 - make ffprobe accept AVFormatContext options
306 - Demuxer for Leitch/Harris' VR native stream format (LXF)
307 - RTP depacketization of the X-QT QuickTime format
308 - SAP (Session Announcement Protocol, RFC 2974) muxer and demuxer
310 - ffmpeg -crop* options removed
311 - transpose filter added
312 - ffmpeg -force_key_frames option added
313 - demuxer for receiving raw rtp:// URLs without an SDP description
314 - single stream LATM/LOAS decoder
315 - setpts filter added
316 - Win64 support for optimized x86 assembly functions
317 - MJPEG/AVI1 to JPEG/JFIF bitstream filter
318 - ASS subtitle encoder and decoder
319 - IEC 61937 encapsulation for E-AC-3, TrueHD, DTS-HD (for HDMI passthrough)
320 - overlay filter added
321 - rename aspect filter to setdar, and pixelaspect to setsar
323 - Mobotix .mxg demuxer
324 - frei0r source added
325 - hqdn3d filter added
326 - RTP depacketization of QCELP
328 - gradfun filter added
330 - replace the ocv_smooth filter with a more generic ocv filter
331 - Windows Televison (WTV) demuxer
332 - FFmpeg metadata format muxer and demuxer
333 - SubRip (srt) subtitle encoder and decoder
334 - floating-point AC-3 encoder added
336 - ffmpeg -copytb option added
338 - Wing Commander IV movies decoder added
340 - Bink version 'b' audio and video decoder
341 - Bitmap Brothers JV playback system
342 - Apple HTTP Live Streaming protocol handler
343 - sndio support for playback and record
344 - Linux framebuffer input device added
345 - Chronomaster DFA decoder
347 - MicroDVD subtitle file muxer and demuxer
348 - Playstation Portable PMP format demuxer
349 - fieldorder video filter added
350 - AAC encoding via libvo-aacenc
351 - AMR-WB encoding via libvo-amrwbenc
353 - Mobotix MxPEG decoder
354 - VP8 frame-multithreading
355 - NEON optimizations for VP8
356 - Lots of deprecated API cruft removed
357 - fft and imdct optimizations for AVX (Sandy Bridge) processors
358 - showinfo filter added
359 - SMPTE 302M AES3 audio decoder
360 - Apple Core Audio Format muxer
361 - 9bit and 10bit per sample support in the H.264 decoder
362 - 9bit and 10bit FFV1 encoding / decoding
364 - select filter added
365 - sdl output device added
366 - libmpcodecs video filter support (3 times as many filters than before)
367 - mpeg2 aspect ratio dection fixed
368 - libxvid aspect pickiness fixed
369 - Frame multithreaded decoding
370 - E-AC-3 audio encoder
371 - ac3enc: add channel coupling support
372 - floating-point sample format support to the ac3, eac3, dca, aac, and vorbis decoders.
373 - H264/MPEG frame-level multi-threading
374 - All av_metadata_* functions renamed to av_dict_* and moved to libavutil
375 - 4:4:4 H.264 decoding support
376 - 10-bit H.264 optimizations for x86
377 - lut, lutrgb, and lutyuv filters added
378 - buffersink libavfilter sink added
379 - Bump libswscale for recently reported ABI break
380 - New J2K encoder (via OpenJPEG)
385 - all the changes for 0.8, but keeping API/ABI compatibility with the 0.6 release
390 - PB-frame decoding for H.263
391 - deprecated vhook subsystem removed
392 - deprecated old scaler removed
394 - Alpha channel scaler
396 - RTP packetization of H.263
397 - RTP packetization of AMR
398 - RTP depacketization of Vorbis
399 - CorePNG decoding support
400 - Cook multichannel decoding support
401 - introduced avlanguage helpers in libavformat
402 - 8088flex TMV demuxer and decoder
403 - per-stream language-tags extraction in asfdec
404 - V210 decoder and encoder
405 - remaining GPL parts in AC-3 decoder converted to LGPL
407 - SoX native format muxer and demuxer
408 - AMR-NB decoding/encoding, AMR-WB decoding via OpenCORE libraries
410 - Electronic Arts Madcow decoder
411 - DivX (XSUB) subtitle encoder
412 - nonfree libamr support for AMR-NB/WB decoding/encoding removed
413 - experimental AAC encoder
414 - RTP depacketization of ASF and RTSP from WMS servers
415 - RTMP support in libavformat
416 - noX handling for OPT_BOOL X options
418 - IEC-61937 compatible Muxer
420 - Bluray (PGS) subtitle decoder
421 - LPCM support in MPEG-TS (HDMV RID as found on Blu-ray disks)
423 - Core Audio Format demuxer
425 - MD STUDIO audio demuxer
426 - RF64 support in WAV demuxer
427 - MPEG-4 Audio Lossless Coding (ALS) decoder
428 - -formats option split into -formats, -codecs, -bsfs, and -protocols
430 - CDG demuxer and decoder
432 - Auravision Aura 1 and 2 decoders
433 - Deluxe Paint Animation playback system
435 - Adobe Filmstrip muxer and demuxer
436 - RTP depacketization of H.263
437 - Bink demuxer and audio/video decoders
438 - enable symbol versioning by default for linkers that support it
439 - IFF PBM/ILBM bitmap decoder
442 - RTP depacketization of AMR
448 - Kega Game Video (KGV1) decoder
449 - VorbisComment writing for FLAC, Ogg FLAC and Ogg Speex files
450 - RTP depacketization of Theora
451 - HTTP Digest authentication
452 - RTMP/RTMPT/RTMPS/RTMPE/RTMPTE protocol support via librtmp
453 - Psygnosis YOP demuxer and video decoder
454 - spectral extension support in the E-AC-3 decoder
455 - unsharp video filter
456 - RTP hinting in the mov/3gp/mp4 muxer
457 - Dirac in Ogg demuxing
458 - seek to keyframes in Ogg
459 - 4:2:2 and 4:4:4 Theora decoding
460 - 35% faster VP3/Theora decoding
461 - faster AAC decoding
462 - faster H.264 decoding
463 - RealAudio 1.0 (14.4K) encoder
468 - DV50 AKA DVCPRO50 encoder, decoder, muxer and demuxer
469 - TechSmith Camtasia (TSCC) video decoder
470 - IBM Ultimotion (ULTI) video decoder
471 - Sierra Online audio file demuxer and decoder
472 - Apple QuickDraw (qdrw) video decoder
473 - Creative ADPCM audio decoder (16 bits as well as 8 bits schemes)
474 - Electronic Arts Multimedia (WVE/UV2/etc.) file demuxer
475 - Miro VideoXL (VIXL) video decoder
476 - H.261 video encoder
478 - Nullsoft Video (NSV) file demuxer
479 - Shorten audio decoder
481 - Apple Lossless Audio Codec (ALAC) decoder
482 - Winnov WNV1 video decoder
483 - Autodesk Animator Studio Codec (AASC) decoder
484 - Indeo 2 video decoder
485 - Fraps FPS1 video decoder
486 - Snow video encoder/decoder
487 - Sonic audio encoder/decoder
488 - Vorbis audio decoder
489 - Macromedia ADPCM decoder
490 - Duck TrueMotion 2 video decoder
491 - support for decoding FLX and DTA extensions in FLIC files
492 - H.264 custom quantization matrices support
493 - ffserver fixed, it should now be usable again
495 - Real Cooker audio decoder
496 - TrueSpeech audio decoder
497 - WMA2 audio decoder fixed, now all files should play correctly
498 - RealAudio 14.4 and 28.8 decoders fixed
500 - build system improvements
501 - tabs and trailing whitespace removed from the codebase
502 - CamStudio video decoder
503 - AIFF/AIFF-C audio format, encoding and decoding
504 - ADTS AAC file reading and writing
505 - Creative VOC file reading and writing
506 - American Laser Games multimedia (*.mm) playback system
507 - Zip Motion Blocks Video decoder
508 - improved Theora/VP3 decoder
509 - True Audio (TTA) decoder
510 - AVS demuxer and video decoder
512 - Smacker demuxer and decoder
513 - NuppelVideo/MythTV demuxer and RTjpeg decoder
515 - MPEG-2 intra VLC support
516 - MPEG-2 4:2:2 encoder
517 - Flash Screen Video decoder
519 - Chinese AVS decoder
522 - VC-1/WMV3/WMV9 video decoder
525 - VMware video decoder
528 - WavPack lossless audio decoder
529 - Targa (.TGA) picture decoder
530 - Vorbis audio encoder
531 - Delphine Software .cin demuxer/audio and video decoder
532 - Tiertex .seq demuxer/video decoder
534 - TIFF picture encoder and decoder
535 - GIF picture decoder
536 - Intel Music Coder decoder
537 - Zip Motion Blocks Video encoder
539 - Flash Screen Video encoder
540 - Theora encoding via libtheora
543 - GSM-MS encoder and decoder
545 - DXA demuxer and decoder
547 - Gamecube movie (.THP) playback system
548 - Blackfin optimizations
549 - Interplay C93 demuxer and video decoder
550 - Bethsoft VID demuxer and video decoder
553 - V.Flash PTX decoder
554 - RoQ muxer, RoQ audio encoder
555 - Renderware TXD demuxer and decoder
556 - extern C declarations for C++ removed from headers
557 - sws_flags command line option
561 - OS/2 support removed and restored again
564 - additional SPARC (VIS) optimizations
566 - slice-based parallel H.264 decoding
567 - Monkey's Audio demuxer and decoder
568 - AMV audio and video decoder
570 - H.264 PAFF decoding
571 - Nellymoser ASAO decoder
572 - Beam Software SIFF demuxer and decoder
573 - libvorbis Vorbis decoding removed in favor of native decoder
574 - IntraX8 (J-Frame) subdecoder for WMV2 and VC-1
575 - Ogg (Theora, Vorbis and FLAC) muxer
576 - The "device" muxers and demuxers are now in a new libavdevice library
577 - PC Paintbrush PCX decoder
578 - Sun Rasterfile decoder
579 - TechnoTrend PVA demuxer
580 - Linux Media Labs MPEG-4 (LMLM4) demuxer
581 - AVM2 (Flash 9) SWF muxer
582 - QT variant of IMA ADPCM encoder
584 - iPod/iPhone compatible mp4 muxer
586 - MSN TCP Webcam stream demuxer
587 - RL2 demuxer / decoder
590 - non-recursive Makefiles
592 - MAXIS EA XA (.xa) demuxer / decoder
596 - Electronic Arts CMV decoder
597 - Motion Pixels Video decoder
598 - Motion Pixels MVI demuxer
599 - removed animated GIF decoder/demuxer
600 - D-Cinema audio muxer
601 - Electronic Arts TGV decoder
602 - Apple Lossless Audio Codec (ALAC) encoder
604 - floating point PCM encoder/decoder
606 - DV100 AKA DVCPRO HD decoder and demuxer
607 - E-AC-3 support added to AC-3 decoder
608 - Nellymoser ASAO encoder
609 - ASS and SSA demuxer and muxer
610 - liba52 wrapper removed
611 - SVQ3 watermark decoding support
612 - Speex decoding via libspeex
613 - Electronic Arts TGQ decoder
615 - QCELP / PureVoice decoder
617 - hybrid WavPack support
618 - R3D REDCODE demuxer
619 - ALSA support for playback and record
620 - Electronic Arts TQI decoder
621 - OpenJPEG based JPEG 2000 decoder
622 - NC (NC4600) camera file demuxer
623 - Gopher client support
625 - generic metadata API
626 - flash ScreenVideo2 encoder
631 - DV encoder, DV muxer
632 - Microsoft RLE video decoder
633 - Microsoft Video-1 decoder
634 - Apple Animation (RLE) decoder
635 - Apple Graphics (SMC) decoder
636 - Apple Video (RPZA) decoder
638 - Sega FILM (CPK) file demuxer
639 - Westwood multimedia support (VQA & AUD files)
640 - Id Quake II CIN playback support
642 - FLIC playback support
643 - RealVideo 2.0 (RV20) decoder
644 - Duck TrueMotion v1 (DUCK) video decoder
645 - Sierra VMD demuxer and video decoder
646 - MSZH and ZLIB decoder support
650 - rate distortion optimal cbp support
651 - rate distorted optimal ac prediction for MPEG-4
652 - rate distorted optimal lambda->qp support
653 - AAC encoding with libfaac
654 - Sunplus JPEG codec (SP5X) support
655 - use Lagrange multipler instead of QP for ratecontrol
656 - Theora/VP3 decoding support
657 - XA and ADX ADPCM codecs
658 - export MPEG-2 active display area / pan scan
659 - Add support for configuring with IBM XLC
660 - floating point AAN DCT
661 - initial support for zygo video (not complete)
663 - new audio/video parser API
665 - av_read_frame() and av_seek_frame() support
666 - missing last frame fixes
667 - seek by mouse in ffplay
668 - noise reduction of DCT coefficients
669 - H.263 OBMC & 4MV support
670 - H.263 alternative inter vlc support
672 - H.263 slice structured mode
673 - interlaced DCT support for MPEG-2 encoding
674 - stuffing to stay above min_bitrate
675 - MB type & QP visualization
676 - frame stepping for ffplay
677 - interlaced motion estimation
678 - alternate scantable support
679 - SVCD scan offset support
682 - quantizer noise shaping
683 - G.726 ADPCM audio codec
685 - multithreaded/SMP motion estimation
686 - multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263
687 - multithreaded/SMP decoding for MPEG-2
689 - Metrowerks CodeWarrior suppport
690 - H.263+ custom pcf support
691 - nicer output for 'ffmpeg -formats'
693 - SGI image format, encoding and decoding
694 - H.264 loop filter support
695 - H.264 CABAC support
696 - nicer looking arrows for the motion vector visualization
697 - improved VCD support
698 - audio timestamp drift compensation
699 - MPEG-2 YUV 422/444 support
700 - polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample
701 - better image scaling
703 - correctly interleave packets during encoding
704 - VIS optimized motion compensation
705 - intra_dc_precision>0 encoding support
706 - support reuse of motion vectors/MB types/field select values of the source video
707 - more accurate deblock filter
709 - many optimizations and bugfixes
710 - FunCom ISS audio file demuxer and according ADPCM decoding
715 - MPEG-2 video encoding (Michael)
716 - Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)
717 - Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson
719 - Xan DPCM audio decoder (Mario Brito)
720 - Interplay MVE playback subsystem (Mike Melanson)
721 - Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)
726 - RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from mplayerhq
727 (originally from public domain player for Amiga at http://www.honeypot.net/audio)
728 - current version now also compiles with older GCC (Fabrice)
729 - 4X multimedia playback system including 4xm file demuxer (Mike
730 Melanson), and 4X video and audio codecs (Michael)
731 - Creative YUV (CYUV) decoder (Mike Melanson)
732 - FFV1 codec (our very simple lossless intra only codec, compresses much better
733 than HuffYUV) (Michael)
734 - ASV1 (Asus), H.264, Intel indeo3 codecs have been added (various)
735 - tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with
736 alpha support), JPEG YUV colorspace support. (Fabrice Bellard)
737 - ffplay has been replaced with a newer version which uses SDL (optionally)
738 for multiplatform support (Fabrice)
739 - Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated
741 - AMR format has been added (Johannes Carlsson)
742 - 3GP support has been added (Johannes Carlsson)
743 - VP3 codec has been added (Mike Melanson)
744 - more MPEG-1/2 fixes
745 - better multiplatform support, MS Visual Studio fixes (various)
746 - AltiVec optimizations (Magnus Damn and others)
747 - SH4 processor support has been added (BERO)
748 - new public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)
749 - VOB streaming support (Brian Foley)
750 - better MP3 autodetection (Andriy Rysin)
751 - qpel encoding (Michael)
752 - 4mv+b frames encoding finally fixed (Michael)
753 - chroma ME (Michael)
754 - 5 comparison functions for ME (Michael)
755 - B-frame encoding speedup (Michael)
756 - WMV2 codec (unfinished - Michael)
757 - user specified diamond size for EPZS (Michael)
758 - Playstation STR playback subsystem, still experimental (Mike and Michael)
759 - ASV2 codec (Michael)
760 - CLJR decoder (Alex)
762 .. And lots more new enhancements and fixes.
767 - completely new integer only MPEG audio layer 1/2/3 decoder rewritten
769 - Recoded DCT and motion vector search with gcc (no longer depends on nasm)
770 - fix quantization bug in AC3 encoder
771 - added PCM codecs and format. Corrected WAV/AVI/ASF PCM issues
772 - added prototype ffplay program
773 - added GOB header parsing on H.263/H.263+ decoder (Juanjo)
774 - bug fix on MCBPC tables of H.263 (Juanjo)
775 - bug fix on DC coefficients of H.263 (Juanjo)
776 - added Advanced Prediction Mode on H.263/H.263+ decoder (Juanjo)
777 - now we can decode H.263 streams found in QuickTime files (Juanjo)
778 - now we can decode H.263 streams found in VIVO v1 files(Juanjo)
779 - preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)
780 - added GOB header for H.263/H.263+ coding on RTP mode (Juanjo)
781 - now H.263 picture size is returned on the first decoded frame (Juanjo)
782 - added first regression tests
783 - added MPEG-2 TS demuxer
784 - new demux API for libav
785 - more accurate and faster IDCT (Michael)
786 - faster and entropy-controlled motion search (Michael)
787 - two pass video encoding (Michael)
788 - new video rate control (Michael)
789 - added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)
790 - great performance improvement of video encoders and decoders (Michael)
791 - new and faster bit readers and vlc parsers (Michael)
792 - high quality encoding mode: tries all macroblock/VLC types (Michael)
793 - added DV video decoder
794 - preliminary RTP/RTSP support in ffserver and libavformat
795 - H.263+ AIC decoding/encoding support (Juanjo)
796 - VCD MPEG-PS mode (Juanjo)
797 - PSNR stuff (Juanjo)
798 - simple stats output (Juanjo)
799 - 16-bit and 15-bit RGB/BGR/GBR support (Bisqwit)
804 - some header fixes (Zdenek Kabelac <kabi at informatics.muni.cz>)
805 - many MMX optimizations (Nick Kurshev <nickols_k at mail.ru>)
806 - added configure system (actually a small shell script)
807 - added MPEG audio layer 1/2/3 decoding using LGPL'ed mpglib by
808 Michael Hipp (temporary solution - waiting for integer only
810 - fixed VIDIOCSYNC interrupt
811 - added Intel H.263 decoding support ('I263' AVI fourCC)
812 - added Real Video 1.0 decoding (needs further testing)
813 - simplified image formats again. Added PGM format (=grey
814 pgm). Renamed old PGM to PGMYUV.
815 - fixed msmpeg4 slice issues (tell me if you still find problems)
816 - fixed OpenDivX bugs with newer versions (added VOL header decoding)
817 - added support for MPlayer interface
818 - added macroblock skip optimization
819 - added MJPEG decoder
820 - added mmx/mmxext IDCT from libmpeg2
821 - added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer
822 <celer at shell.scrypt.net>)
823 - added pixel format conversion layer (e.g. for MJPEG or PPM)
824 - added deinterlacing option
826 - MPEG-4 vol header fixes (Jonathan Marsden <snmjbm at pacbell.net>)
827 - ARM optimizations (Lionel Ulmer <lionel.ulmer at free.fr>).
828 - Windows porting of file converter
829 - added MJPEG raw format (input/output)
830 - added JPEG image format support (input/output)
835 - fixed some std header definitions (Bjorn Lindgren
836 <bjorn.e.lindgren at telia.com>).
837 - added MPEG demuxer (MPEG-1 and 2 compatible).
839 - added prototype RM demuxer
840 - added AC3 decoding (done with libac3 by Aaron Holtzman)
841 - added decoding codec parameter guessing (.e.g. for MPEG, because the
842 header does not include them)
843 - fixed header generation in MPEG-1, AVI and ASF muxer: wmplayer can now
844 play them (only tested video)
845 - fixed H.263 white bug
846 - fixed phase rounding in img resample filter
847 - add MMX code for polyphase img resample filter
848 - added CPU autodetection
849 - added generic title/author/copyright/comment string handling (ASF and RM
851 - added SWF demux to extract MP3 track (not usable yet because no MP3
853 - added fractional frame rate support
854 - codecs are no longer searched by read_header() (should fix ffserver
860 - BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq at amsat.org>)
861 - fixed raw yuv output
862 - added motion rounding support in MPEG-4
863 - fixed motion bug rounding in MSMPEG4
864 - added B-frame handling in video core
865 - added full MPEG-1 decoding support
866 - added partial (frame only) MPEG-2 support
867 - changed the FOURCC code for H.263 to "U263" to be able to see the
868 +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with
869 this +codec ;) (JuanJo).
870 - Halfpel motion estimation after MB type selection (JuanJo)
871 - added pgm and .Y.U.V output format
872 - suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or
874 - added pgmpipe I/O format (original patch from Martin Aumueller
875 <lists at reserv.at>, but changed completely since we use a format
876 instead of a protocol)
881 - added H.263/MPEG-4/MSMPEG4 decoding support. MPEG-4 decoding support
882 (for OpenDivX) is almost complete: 8x8 MVs and rounding are
883 missing. MSMPEG4 support is complete.
884 - added prototype MPEG-1 decoder. Only I- and P-frames handled yet (it
885 can decode ffmpeg MPEGs :-)).
886 - added libavcodec API documentation (see apiexample.c).
887 - fixed image polyphase bug (the bottom of some images could be
889 - added support for non clipped motion vectors (decoding only)
890 and image sizes non-multiple of 16
891 - added support for AC prediction (decoding only)
892 - added file overwrite confirmation (can be disabled with -y)
893 - added custom size picture to H.263 using H.263+ (Juanjo)
898 - added MSMPEG4 (aka DivX) compatible encoder. Changed default codec
899 of AVI and ASF to DIV3.
900 - added -me option to set motion estimation method
901 (default=log). suppressed redundant -hq option.
902 - added options -acodec and -vcodec to force a given codec (useful for
905 - improved dct_quantize speed
906 - factorized some motion estimation code
911 - removing grab code from ffserver and moved it to ffmpeg. Added
912 multistream support to ffmpeg.
913 - added timeshifting support for live feeds (option ?date=xxx in the
915 - added high quality image resize code with polyphase filter (need
916 mmx/see optimization). Enable multiple image size support in ffserver.
917 - added multi live feed support in ffserver
918 - suppressed master feature from ffserver (it should be done with an
919 external program which opens the .ffm url and writes it to another
921 - added preliminary support for video stream parsing (WAV and AVI half
922 done). Added proper support for audio/video file conversion in
924 - added preliminary support for video file sending from ffserver
925 - redesigning I/O subsystem: now using URL based input and output
927 - added WAV format support
928 - added "tty user interface" to ffmpeg to stop grabbing gracefully
929 - added MMX/SSE optimizations to SAD (Sums of Absolutes Differences)
930 (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo at atmlab.utfsm.cl>)
931 - added MMX DCT from mpeg2_movie 1.5 (Juanjo)
932 - added new motion estimation algorithms, log and phods (Juanjo)
933 - changed directories: libav for format handling, libavcodec for
939 - added stereo in MPEG audio encoder
944 - added 'high quality' mode which use motion vectors. It can be used in
945 real time at low resolution.
946 - fixed rounding problems which caused quality problems at high
947 bitrates and large GOP size
950 version 0.3.2: small fixes
956 version 0.3.1: added avi/divx support
959 - added MPEG-4 codec compatible with OpenDivX. It is based on the H.263 codec
960 - added sound for flash format (not tested)
963 version 0.3: initial public release