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FFmpeg/Changelog

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Raw Blame History 

  1. Entries are sorted chronologically from oldest to youngest within each release,

  2. releases are sorted from youngest to oldest.

  3. 

  4. version <next>:

  5. - tpad filter

  6. - AV1 decoding support through libdav1d

  7. - dedot filter

  8. - chromashift and rgbashift filters

  9. - freezedetect filter

  10. - truehd_core bitstream filter

  11. - dhav demuxer

  12. - PCM-DVD encoder

  13. - GIF parser

  14. - vividas demuxer

  15. - hymt decoder

  16. - anlmdn filter

  17. - maskfun filter

  18. - hcom demuxer and decoder

  19. - ARBC decoder

  20. 

  21. 

  22. version 4.1:

  23. - deblock filter

  24. - tmix filter

  25. - amplify filter

  26. - fftdnoiz filter

  27. - aderivative and aintegral audio filters

  28. - pal75bars and pal100bars video filter sources

  29. - support mbedTLS based TLS

  30. - adeclick filter

  31. - adeclip filter

  32. - libtensorflow backend for DNN based filters like srcnn

  33. - vc1 decoder is now bit-exact

  34. - ATRAC9 decoder

  35. - lensfun wrapper filter

  36. - colorconstancy filter

  37. - AVS2 video decoder via libdavs2

  38. - IMM4 video decoder

  39. - Brooktree ProSumer video decoder

  40. - MatchWare Screen Capture Codec decoder

  41. - WinCam Motion Video decoder

  42. - 1D LUT filter (lut1d)

  43. - RemotelyAnywhere Screen Capture decoder

  44. - cue and acue filters

  45. - support for AV1 in MP4

  46. - transpose_npp filter

  47. - AVS2 video encoder via libxavs2

  48. - amultiply filter

  49. - Block-Matching 3d (bm3d) denoising filter

  50. - acrossover filter

  51. - ilbc decoder

  52. - audio denoiser as afftdn filter

  53. - AV1 parser

  54. - SER demuxer

  55. - sinc audio filter source

  56. - chromahold filter

  57. - setparams filter

  58. - vibrance filter

  59. - decoding S12M timecode in h264

  60. - xstack filter

  61. - pcm vidc decoder and encoder

  62. - (a)graphmonitor filter

  63. - yadif_cuda filter

  64. 

  65. 

  66. version 4.0:

  67. - Bitstream filters for editing metadata in H.264, HEVC and MPEG-2 streams

  68. - Dropped support for OpenJPEG versions 2.0 and below. Using OpenJPEG now

  69.   requires 2.1 (or later) and pkg-config.

  70. - VDA dropped (use VideoToolbox instead)

  71. - MagicYUV encoder

  72. - Raw AMR-NB and AMR-WB demuxers

  73. - TiVo ty/ty+ demuxer

  74. - Intel QSV-accelerated MJPEG encoding

  75. - PCE support for extended channel layouts in the AAC encoder

  76. - native aptX and aptX HD encoder and decoder

  77. - Raw aptX and aptX HD muxer and demuxer

  78. - NVIDIA NVDEC-accelerated H.264, HEVC, MJPEG, MPEG-1/2/4, VC1, VP8/9 hwaccel decoding

  79. - Intel QSV-accelerated overlay filter

  80. - mcompand audio filter

  81. - acontrast audio filter

  82. - OpenCL overlay filter

  83. - video mix filter

  84. - video normalize filter

  85. - audio lv2 wrapper filter

  86. - VAAPI MJPEG and VP8 decoding

  87. - AMD AMF H.264 and HEVC encoders

  88. - video fillborders filter

  89. - video setrange filter

  90. - nsp demuxer

  91. - support LibreSSL (via libtls)

  92. - AVX-512/ZMM support added

  93. - Dropped support for building for Windows XP. The minimum supported Windows

  94.   version is Windows Vista.

  95. - deconvolve video filter

  96. - entropy video filter

  97. - hilbert audio filter source

  98. - aiir audio filter

  99. - aiff: add support for CD-ROM XA ADPCM

  100. - Removed the ffserver program

  101. - Removed the ffmenc and ffmdec muxer and demuxer

  102. - VideoToolbox HEVC encoder and hwaccel

  103. - VAAPI-accelerated ProcAmp (color balance), denoise and sharpness filters

  104. - Add android_camera indev

  105. - codec2 en/decoding via libcodec2

  106. - muxer/demuxer for raw codec2 files and .c2 files

  107. - Moved nvidia codec headers into an external repository.

  108.   They can be found at http://git.videolan.org/?p=ffmpeg/nv-codec-headers.git

  109. - native SBC encoder and decoder

  110. - drmeter audio filter

  111. - hapqa_extract bitstream filter

  112. - filter_units bitstream filter

  113. - AV1 Support through libaom

  114. - E-AC-3 dependent frames support

  115. - bitstream filter for extracting E-AC-3 core

  116. - Haivision SRT protocol via libsrt

  117. - segafilm muxer

  118. - vfrdet filter

  119. - SRCNN filter

  120. 

  121. 

  122. version 3.4:

  123. - deflicker video filter

  124. - doubleweave video filter

  125. - lumakey video filter

  126. - pixscope video filter

  127. - oscilloscope video filter

  128. - config.log and other configuration files moved into ffbuild/ directory

  129. - update cuvid/nvenc headers to Video Codec SDK 8.0.14

  130. - afir audio filter

  131. - scale_cuda CUDA based video scale filter

  132. - librsvg support for svg rasterization

  133. - crossfeed audio filter

  134. - spec compliant VP9 muxing support in MP4

  135. - remove the libnut muxer/demuxer wrappers

  136. - remove the libschroedinger encoder/decoder wrappers

  137. - surround audio filter

  138. - sofalizer filter switched to libmysofa

  139. - Gremlin Digital Video demuxer and decoder

  140. - headphone audio filter

  141. - superequalizer audio filter

  142. - roberts video filter

  143. - The x86 assembler default switched from yasm to nasm, pass

  144.   --x86asmexe=yasm to configure to restore the old behavior.

  145. - additional frame format support for Interplay MVE movies

  146. - support for decoding through D3D11VA in ffmpeg

  147. - limiter video filter

  148. - libvmaf video filter

  149. - Dolby E decoder and SMPTE 337M demuxer

  150. - unpremultiply video filter

  151. - tlut2 video filter

  152. - floodfill video filter

  153. - pseudocolor video filter

  154. - raw G.726 muxer and demuxer, left- and right-justified

  155. - NewTek NDI input/output device

  156. - Some video filters with several inputs now use a common set of options:

  157.   blend, libvmaf, lut3d, overlay, psnr, ssim.

  158.   They must always be used by name.

  159. - FITS demuxer and decoder

  160. - FITS muxer and encoder

  161. - add --disable-autodetect build switch

  162. - drop deprecated qtkit input device (use avfoundation instead)

  163. - despill video filter

  164. - haas audio filter

  165. - SUP/PGS subtitle muxer

  166. - convolve video filter

  167. - VP9 tile threading support

  168. - KMS screen grabber

  169. - CUDA thumbnail filter

  170. - V4L2 mem2mem HW assisted codecs

  171. - Rockchip MPP hardware decoding

  172. - vmafmotion video filter

  173. - use MIME type "G726" for little-endian G.726, "AAL2-G726" for big-endian G.726

  174. 

  175. 

  176. version 3.3:

  177. - CrystalHD decoder moved to new decode API

  178. - add internal ebur128 library, remove external libebur128 dependency

  179. - Pro-MPEG CoP #3-R2 FEC protocol

  180. - premultiply video filter

  181. - Support for spherical videos

  182. - configure now fails if autodetect-libraries are requested but not found

  183. - PSD Decoder

  184. - 16.8 floating point pcm decoder

  185. - 24.0 floating point pcm decoder

  186. - Apple Pixlet decoder

  187. - QDMC audio decoder

  188. - NewTek SpeedHQ decoder

  189. - MIDI Sample Dump Standard demuxer

  190. - readeia608 filter

  191. - Sample Dump eXchange demuxer

  192. - abitscope multimedia filter

  193. - Scenarist Closed Captions demuxer and muxer

  194. - threshold filter

  195. - midequalizer filter

  196. - Optimal Huffman tables for (M)JPEG encoding

  197. - VAAPI-accelerated MPEG-2 and VP8 encoding

  198. - FM Screen Capture Codec decoder

  199. - native Opus encoder

  200. - ScreenPressor decoder

  201. - incomplete ClearVideo decoder

  202. - Intel QSV video scaling and deinterlacing filters

  203. - Support MOV with multiple sample description tables

  204. - XPM decoder

  205. - Removed the legacy X11 screen grabber, use XCB instead

  206. - MPEG-7 Video Signature filter

  207. - Removed asyncts filter (use af_aresample instead)

  208. - Intel QSV-accelerated VP8 video decoding

  209. - VAAPI-accelerated deinterlacing

  210. 

  211. 

  212. version 3.2:

  213. - libopenmpt demuxer

  214. - tee protocol

  215. - Changed metadata print option to accept general urls

  216. - Alias muxer for Ogg Video (.ogv)

  217. - VP8 in Ogg muxing

  218. - curves filter doesn't automatically insert points at x=0 and x=1 anymore

  219. - 16-bit support in curves filter and selectivecolor filter

  220. - OpenH264 decoder wrapper

  221. - MediaCodec H.264/HEVC/MPEG-4/VP8/VP9 hwaccel

  222. - True Audio (TTA) muxer

  223. - crystalizer audio filter

  224. - acrusher audio filter

  225. - bitplanenoise video filter

  226. - floating point support in als decoder

  227. - fifo muxer

  228. - maskedclamp filter

  229. - hysteresis filter

  230. - lut2 filter

  231. - yuvtestsrc filter

  232. - CUDA CUVID H.263/VP8/VP9/10 bit HEVC (Dithered) Decoding

  233. - vaguedenoiser filter

  234. - added threads option per filter instance

  235. - weave filter

  236. - gblur filter

  237. - avgblur filter

  238. - sobel and prewitt filter

  239. - MediaCodec HEVC/MPEG-4/VP8/VP9 decoding

  240. - Meridian Lossless Packing (MLP) / TrueHD encoder

  241. - Non-Local Means (nlmeans) denoising filter

  242. - sdl2 output device and ffplay support

  243. - sdl1 output device and sdl1 support removed

  244. - extended mov edit list support

  245. - libfaac encoder removed

  246. - Matroska muxer now writes CRC32 elements by default in all Level 1 elements

  247. - sidedata video and asidedata audio filter

  248. - Changed mapping of rtp MIME type G726 to codec g726le.

  249. - spec compliant VAAPI/DXVA2 VC-1 decoding of slices in frame-coded images

  250. 

  251. 

  252. version 3.1:

  253. - DXVA2-accelerated HEVC Main10 decoding

  254. - fieldhint filter

  255. - loop video filter and aloop audio filter

  256. - Bob Weaver deinterlacing filter

  257. - firequalizer filter

  258. - datascope filter

  259. - bench and abench filters

  260. - ciescope filter

  261. - protocol blacklisting API

  262. - MediaCodec H264 decoding

  263. - VC-2 HQ RTP payload format (draft v1) depacketizer and packetizer

  264. - VP9 RTP payload format (draft v2) packetizer

  265. - AudioToolbox audio decoders

  266. - AudioToolbox audio encoders

  267. - coreimage filter (GPU based image filtering on OSX)

  268. - libdcadec removed

  269. - bitstream filter for extracting DTS core

  270. - ADPCM IMA DAT4 decoder

  271. - musx demuxer

  272. - aix demuxer

  273. - remap filter

  274. - hash and framehash muxers

  275. - colorspace filter

  276. - hdcd filter

  277. - readvitc filter

  278. - VAAPI-accelerated format conversion and scaling

  279. - libnpp/CUDA-accelerated format conversion and scaling

  280. - Duck TrueMotion 2.0 Real Time decoder

  281. - Wideband Single-bit Data (WSD) demuxer

  282. - VAAPI-accelerated H.264/HEVC/MJPEG encoding

  283. - DTS Express (LBR) decoder

  284. - Generic OpenMAX IL encoder with support for Raspberry Pi

  285. - IFF ANIM demuxer & decoder

  286. - Direct Stream Transfer (DST) decoder

  287. - loudnorm filter

  288. - MTAF demuxer and decoder

  289. - MagicYUV decoder

  290. - OpenExr improvements (tile data and B44/B44A support)

  291. - BitJazz SheerVideo decoder

  292. - CUDA CUVID H264/HEVC decoder

  293. - 10-bit depth support in native utvideo decoder

  294. - libutvideo wrapper removed

  295. - YUY2 Lossless Codec decoder

  296. - VideoToolbox H.264 encoder

  297. 

  298. 

  299. version 3.0:

  300. - Common Encryption (CENC) MP4 encoding and decoding support

  301. - DXV decoding

  302. - extrastereo filter

  303. - ocr filter

  304. - alimiter filter

  305. - stereowiden filter

  306. - stereotools filter

  307. - rubberband filter

  308. - tremolo filter

  309. - agate filter

  310. - chromakey filter

  311. - maskedmerge filter

  312. - Screenpresso SPV1 decoding

  313. - chromaprint fingerprinting muxer

  314. - ffplay dynamic volume control

  315. - displace filter

  316. - selectivecolor filter

  317. - extensive native AAC encoder improvements and removal of experimental flag

  318. - ADPCM PSX decoder

  319. - 3dostr, dcstr, fsb, genh, vag, xvag, ads, msf, svag & vpk demuxer

  320. - zscale filter

  321. - wve demuxer

  322. - zero-copy Intel QSV transcoding in ffmpeg

  323. - shuffleframes filter

  324. - SDX2 DPCM decoder

  325. - vibrato filter

  326. - innoHeim/Rsupport Screen Capture Codec decoder

  327. - ADPCM AICA decoder

  328. - Interplay ACM demuxer and audio decoder

  329. - XMA1 & XMA2 decoder

  330. - realtime filter

  331. - anoisesrc audio filter source

  332. - IVR demuxer

  333. - compensationdelay filter

  334. - acompressor filter

  335. - support encoding 16-bit RLE SGI images

  336. - apulsator filter

  337. - sidechaingate audio filter

  338. - mipsdspr1 option has been renamed to mipsdsp

  339. - aemphasis filter

  340. - mips32r5 option has been removed

  341. - mips64r6 option has been removed

  342. - DXVA2-accelerated VP9 decoding

  343. - SOFAlizer: virtual binaural acoustics filter

  344. - VAAPI VP9 hwaccel

  345. - audio high-order multiband parametric equalizer

  346. - automatic bitstream filtering

  347. - showspectrumpic filter

  348. - libstagefright support removed

  349. - spectrumsynth filter

  350. - ahistogram filter

  351. - only seek with the right mouse button in ffplay

  352. - toggle full screen when double-clicking with the left mouse button in ffplay

  353. - afftfilt filter

  354. - convolution filter

  355. - libquvi support removed

  356. - support for dvaudio in wav and avi

  357. - libaacplus and libvo-aacenc support removed

  358. - Cineform HD decoder

  359. - new DCA decoder with full support for DTS-HD extensions

  360. - significant performance improvements in Windows Television (WTV) demuxer

  361. - nnedi deinterlacer

  362. - streamselect video and astreamselect audio filter

  363. - swaprect filter

  364. - metadata video and ametadata audio filter

  365. - SMPTE VC-2 HQ profile support for the Dirac decoder

  366. - SMPTE VC-2 native encoder supporting the HQ profile

  367. 

  368. 

  369. version 2.8:

  370. - colorkey video filter

  371. - BFSTM/BCSTM demuxer

  372. - little-endian ADPCM_THP decoder

  373. - Hap decoder and encoder

  374. - DirectDraw Surface image/texture decoder

  375. - ssim filter

  376. - optional new ASF demuxer

  377. - showvolume filter

  378. - Many improvements to the JPEG 2000 decoder

  379. - Go2Meeting decoding support

  380. - adrawgraph audio and drawgraph video filter

  381. - removegrain video filter

  382. - Intel QSV-accelerated MPEG-2 video and HEVC encoding

  383. - Intel QSV-accelerated MPEG-2 video and HEVC decoding

  384. - Intel QSV-accelerated VC-1 video decoding

  385. - libkvazaar HEVC encoder

  386. - erosion, dilation, deflate and inflate video filters

  387. - Dynamic Audio Normalizer as dynaudnorm filter

  388. - Reverse video and areverse audio filter

  389. - Random filter

  390. - deband filter

  391. - AAC fixed-point decoding

  392. - sidechaincompress audio filter

  393. - bitstream filter for converting HEVC from MP4 to Annex B

  394. - acrossfade audio filter

  395. - allyuv and allrgb video sources

  396. - atadenoise video filter

  397. - OS X VideoToolbox support

  398. - aphasemeter filter

  399. - showfreqs filter

  400. - vectorscope filter

  401. - waveform filter

  402. - hstack and vstack filter

  403. - Support DNx100 (1440x1080@8)

  404. - VAAPI hevc hwaccel

  405. - VDPAU hevc hwaccel

  406. - framerate filter

  407. - Switched default encoders for webm to VP9 and Opus

  408. - Removed experimental flag from the JPEG 2000 encoder

  409. 

  410. 

  411. version 2.7:

  412. - FFT video filter

  413. - TDSC decoder

  414. - DTS lossless extension (XLL) decoding (not lossless, disabled by default)

  415. - showwavespic filter

  416. - DTS decoding through libdcadec

  417. - Drop support for nvenc API before 5.0

  418. - nvenc HEVC encoder

  419. - Detelecine filter

  420. - Intel QSV-accelerated H.264 encoding

  421. - MMAL-accelerated H.264 decoding

  422. - basic APNG encoder and muxer with default extension "apng"

  423. - unpack DivX-style packed B-frames in MPEG-4 bitstream filter

  424. - WebM Live Chunk Muxer

  425. - nvenc level and tier options

  426. - chorus filter

  427. - Canopus HQ/HQA decoder

  428. - Automatically rotate videos based on metadata in ffmpeg

  429. - improved Quickdraw compatibility

  430. - VP9 high bit-depth and extended colorspaces decoding support

  431. - WebPAnimEncoder API when available for encoding and muxing WebP

  432. - Direct3D11-accelerated decoding

  433. - Support Secure Transport

  434. - Multipart JPEG demuxer

  435. 

  436. 

  437. version 2.6:

  438. - nvenc encoder

  439. - 10bit spp filter

  440. - colorlevels filter

  441. - RIFX format for *.wav files

  442. - RTP/mpegts muxer

  443. - non continuous cache protocol support

  444. - tblend filter

  445. - cropdetect support for non 8bpp, absolute (if limit >= 1) and relative (if limit < 1.0) threshold

  446. - Camellia symmetric block cipher

  447. - OpenH264 encoder wrapper

  448. - VOC seeking support

  449. - Closed caption Decoder

  450. - fspp, uspp, pp7 MPlayer postprocessing filters ported to native filters

  451. - showpalette filter

  452. - Twofish symmetric block cipher

  453. - Support DNx100 (960x720@8)

  454. - eq2 filter ported from libmpcodecs as eq filter

  455. - removed libmpcodecs

  456. - Changed default DNxHD colour range in QuickTime .mov derivatives to mpeg range

  457. - ported softpulldown filter from libmpcodecs as repeatfields filter

  458. - dcshift filter

  459. - RTP depacketizer for loss tolerant payload format for MP3 audio (RFC 5219)

  460. - RTP depacketizer for AC3 payload format (RFC 4184)

  461. - palettegen and paletteuse filters

  462. - VP9 RTP payload format (draft 0) experimental depacketizer

  463. - RTP depacketizer for DV (RFC 6469)

  464. - DXVA2-accelerated HEVC decoding

  465. - AAC ELD 480 decoding

  466. - Intel QSV-accelerated H.264 decoding

  467. - DSS SP decoder and DSS demuxer

  468. - Fix stsd atom corruption in DNxHD QuickTimes

  469. - Canopus HQX decoder

  470. - RTP depacketization of T.140 text (RFC 4103)

  471. - Port MIPS optimizations to 64-bit

  472. 

  473. 

  474. version 2.5:

  475. - HEVC/H.265 RTP payload format (draft v6) packetizer

  476. - SUP/PGS subtitle demuxer

  477. - ffprobe -show_pixel_formats option

  478. - CAST128 symmetric block cipher, ECB mode

  479. - STL subtitle demuxer and decoder

  480. - libutvideo YUV 4:2:2 10bit support

  481. - XCB-based screen-grabber

  482. - UDP-Lite support (RFC 3828)

  483. - xBR scaling filter

  484. - AVFoundation screen capturing support

  485. - ffserver supports codec private options

  486. - creating DASH compatible fragmented MP4, MPEG-DASH segmenting muxer

  487. - WebP muxer with animated WebP support

  488. - zygoaudio decoding support

  489. - APNG demuxer

  490. - postproc visualization support

  491. 

  492. 

  493. version 2.4:

  494. - Icecast protocol

  495. - ported lenscorrection filter from frei0r filter

  496. - large optimizations in dctdnoiz to make it usable

  497. - ICY metadata are now requested by default with the HTTP protocol

  498. - support for using metadata in stream specifiers in fftools

  499. - LZMA compression support in TIFF decoder

  500. - H.261 RTP payload format (RFC 4587) depacketizer and experimental packetizer

  501. - HEVC/H.265 RTP payload format (draft v6) depacketizer

  502. - added codecview filter to visualize information exported by some codecs

  503. - Matroska 3D support thorugh side data

  504. - HTML generation using texi2html is deprecated in favor of makeinfo/texi2any

  505. - silenceremove filter

  506. 

  507. 

  508. version 2.3:

  509. - AC3 fixed-point decoding

  510. - shuffleplanes filter

  511. - subfile protocol

  512. - Phantom Cine demuxer

  513. - replaygain data export

  514. - VP7 video decoder

  515. - Alias PIX image encoder and decoder

  516. - Improvements to the BRender PIX image decoder

  517. - Improvements to the XBM decoder

  518. - QTKit input device

  519. - improvements to OpenEXR image decoder

  520. - support decoding 16-bit RLE SGI images

  521. - GDI screen grabbing for Windows

  522. - alternative rendition support for HTTP Live Streaming

  523. - AVFoundation input device

  524. - Direct Stream Digital (DSD) decoder

  525. - Magic Lantern Video (MLV) demuxer

  526. - On2 AVC (Audio for Video) decoder

  527. - support for decoding through DXVA2 in ffmpeg

  528. - libbs2b-based stereo-to-binaural audio filter

  529. - libx264 reference frames count limiting depending on level

  530. - native Opus decoder

  531. - display matrix export and rotation API

  532. - WebVTT encoder

  533. - showcqt multimedia filter

  534. - zoompan filter

  535. - signalstats filter

  536. - hqx filter (hq2x, hq3x, hq4x)

  537. - flanger filter

  538. - Image format auto-detection

  539. - LRC demuxer and muxer

  540. - Samba protocol (via libsmbclient)

  541. - WebM DASH Manifest muxer

  542. - libfribidi support in drawtext

  543. 

  544. 

  545. version 2.2:

  546. 

  547. - HNM version 4 demuxer and video decoder

  548. - Live HDS muxer

  549. - setsar/setdar filters now support variables in ratio expressions

  550. - elbg filter

  551. - string validation in ffprobe

  552. - support for decoding through VDPAU in ffmpeg (the -hwaccel option)

  553. - complete Voxware MetaSound decoder

  554. - remove mp3_header_compress bitstream filter

  555. - Windows resource files for shared libraries

  556. - aeval filter

  557. - stereoscopic 3d metadata handling

  558. - WebP encoding via libwebp

  559. - ATRAC3+ decoder

  560. - VP8 in Ogg demuxing

  561. - side & metadata support in NUT

  562. - framepack filter

  563. - XYZ12 rawvideo support in NUT

  564. - Exif metadata support in WebP decoder

  565. - OpenGL device

  566. - Use metadata_header_padding to control padding in ID3 tags (currently used in

  567.   MP3, AIFF, and OMA files), FLAC header, and the AVI "junk" block.

  568. - Mirillis FIC video decoder

  569. - Support DNx444

  570. - libx265 encoder

  571. - dejudder filter

  572. - Autodetect VDA like all other hardware accelerations

  573. - aliases and defaults for Ogg subtypes (opus, spx)

  574. 

  575. 

  576. version 2.1:

  577. 

  578. - aecho filter

  579. - perspective filter ported from libmpcodecs

  580. - ffprobe -show_programs option

  581. - compand filter

  582. - RTMP seek support

  583. - when transcoding with ffmpeg (i.e. not streamcopying), -ss is now accurate

  584.   even when used as an input option. Previous behavior can be restored with

  585.   the -noaccurate_seek option.

  586. - ffmpeg -t option can now be used for inputs, to limit the duration of

  587.   data read from an input file

  588. - incomplete Voxware MetaSound decoder

  589. - read EXIF metadata from JPEG

  590. - DVB teletext decoder

  591. - phase filter ported from libmpcodecs

  592. - w3fdif filter

  593. - Opus support in Matroska

  594. - FFV1 version 1.3 is stable and no longer experimental

  595. - FFV1: YUVA(444,422,420) 9, 10 and 16 bit support

  596. - changed DTS stream id in lavf mpeg ps muxer from 0x8a to 0x88, to be

  597.   more consistent with other muxers.

  598. - adelay filter

  599. - pullup filter ported from libmpcodecs

  600. - ffprobe -read_intervals option

  601. - Lossless and alpha support for WebP decoder

  602. - Error Resilient AAC syntax (ER AAC LC) decoding

  603. - Low Delay AAC (ER AAC LD) decoding

  604. - mux chapters in ASF files

  605. - SFTP protocol (via libssh)

  606. - libx264: add ability to encode in YUVJ422P and YUVJ444P

  607. - Fraps: use BT.709 colorspace by default for yuv, as reference fraps decoder does

  608. - make decoding alpha optional for prores, ffv1 and vp6 by setting

  609.   the skip_alpha flag.

  610. - ladspa wrapper filter

  611. - native VP9 decoder

  612. - dpx parser

  613. - max_error_rate parameter in ffmpeg

  614. - PulseAudio output device

  615. - ReplayGain scanner

  616. - Enhanced Low Delay AAC (ER AAC ELD) decoding (no LD SBR support)

  617. - Linux framebuffer output device

  618. - HEVC decoder

  619. - raw HEVC, HEVC in MOV/MP4, HEVC in Matroska, HEVC in MPEG-TS demuxing

  620. - mergeplanes filter

  621. 

  622. 

  623. version 2.0:

  624. 

  625. - curves filter

  626. - reference-counting for AVFrame and AVPacket data

  627. - ffmpeg now fails when input options are used for output file

  628.   or vice versa

  629. - support for Monkey's Audio versions from 3.93

  630. - perms and aperms filters

  631. - audio filtering support in ffplay

  632. - 10% faster aac encoding on x86 and MIPS

  633. - sine audio filter source

  634. - WebP demuxing and decoding support

  635. - ffmpeg options -filter_script and -filter_complex_script, which allow a

  636.   filtergraph description to be read from a file

  637. - OpenCL support

  638. - audio phaser filter

  639. - separatefields filter

  640. - libquvi demuxer

  641. - uniform options syntax across all filters

  642. - telecine filter

  643. - interlace filter

  644. - smptehdbars source

  645. - inverse telecine filters (fieldmatch and decimate)

  646. - colorbalance filter

  647. - colorchannelmixer filter

  648. - The matroska demuxer can now output proper verbatim ASS packets. It will

  649.   become the default at the next libavformat major bump.

  650. - decent native animated GIF encoding

  651. - asetrate filter

  652. - interleave filter

  653. - timeline editing with filters

  654. - vidstabdetect and vidstabtransform filters for video stabilization using

  655.   the vid.stab library

  656. - astats filter

  657. - trim and atrim filters

  658. - ffmpeg -t and -ss (output-only) options are now sample-accurate when

  659.   transcoding audio

  660. - Matroska muxer can now put the index at the beginning of the file.

  661. - extractplanes filter

  662. - avectorscope filter

  663. - ADPCM DTK decoder

  664. - ADP demuxer

  665. - RSD demuxer

  666. - RedSpark demuxer

  667. - ADPCM IMA Radical decoder

  668. - zmq filters

  669. - DCT denoiser filter (dctdnoiz)

  670. - Wavelet denoiser filter ported from libmpcodecs as owdenoise (formerly "ow")

  671. - Apple Intermediate Codec decoder

  672. - Escape 130 video decoder

  673. - FTP protocol support

  674. - V4L2 output device

  675. - 3D LUT filter (lut3d)

  676. - SMPTE 302M audio encoder

  677. - support for slice multithreading in libavfilter

  678. - Hald CLUT support (generation and filtering)

  679. - VC-1 interlaced B-frame support

  680. - support for WavPack muxing (raw and in Matroska)

  681. - XVideo output device

  682. - vignette filter

  683. - True Audio (TTA) encoder

  684. - Go2Webinar decoder

  685. - mcdeint filter ported from libmpcodecs

  686. - sab filter ported from libmpcodecs

  687. - ffprobe -show_chapters option

  688. - WavPack encoding through libwavpack

  689. - rotate filter

  690. - spp filter ported from libmpcodecs

  691. - libgme support

  692. - psnr filter

  693. 

  694. 

  695. version 1.2:

  696. 

  697. - VDPAU hardware acceleration through normal hwaccel

  698. - SRTP support

  699. - Error diffusion dither in Swscale

  700. - Chained Ogg support

  701. - Theora Midstream reconfiguration support

  702. - EVRC decoder

  703. - audio fade filter

  704. - filtering audio with unknown channel layout

  705. - allpass, bass, bandpass, bandreject, biquad, equalizer, highpass, lowpass

  706.   and treble audio filter

  707. - improved showspectrum filter, with multichannel support and sox-like colors

  708. - histogram filter

  709. - tee muxer

  710. - il filter ported from libmpcodecs

  711. - support ID3v2 tags in ASF files

  712. - encrypted TTA stream decoding support

  713. - RF64 support in WAV muxer

  714. - noise filter ported from libmpcodecs

  715. - Subtitles character encoding conversion

  716. - blend filter

  717. - stereo3d filter ported from libmpcodecs

  718. 

  719. 

  720. version 1.1:

  721. 

  722. - stream disposition information printing in ffprobe

  723. - filter for loudness analysis following EBU R128

  724. - Opus encoder using libopus

  725. - ffprobe -select_streams option

  726. - Pinnacle TARGA CineWave YUV16 decoder

  727. - TAK demuxer, decoder and parser

  728. - DTS-HD demuxer

  729. - remove -same_quant, it hasn't worked for years

  730. - FFM2 support

  731. - X-Face image encoder and decoder

  732. - 24-bit FLAC encoding

  733. - multi-channel ALAC encoding up to 7.1

  734. - metadata (INFO tag) support in WAV muxer

  735. - subtitles raw text decoder

  736. - support for building DLLs using MSVC

  737. - LVF demuxer

  738. - ffescape tool

  739. - metadata (info chunk) support in CAF muxer

  740. - field filter ported from libmpcodecs

  741. - AVR demuxer

  742. - geq filter ported from libmpcodecs

  743. - remove ffserver daemon mode

  744. - AST muxer/demuxer

  745. - new expansion syntax for drawtext

  746. - BRender PIX image decoder

  747. - ffprobe -show_entries option

  748. - ffprobe -sections option

  749. - ADPCM IMA Dialogic decoder

  750. - BRSTM demuxer

  751. - animated GIF decoder and demuxer

  752. - PVF demuxer

  753. - subtitles filter

  754. - IRCAM muxer/demuxer

  755. - Paris Audio File demuxer

  756. - Virtual concatenation demuxer

  757. - VobSub demuxer

  758. - JSON captions for TED talks decoding support

  759. - SOX Resampler support in libswresample

  760. - aselect filter

  761. - SGI RLE 8-bit / Silicon Graphics RLE 8-bit video decoder

  762. - Silicon Graphics Motion Video Compressor 1 & 2 decoder

  763. - Silicon Graphics Movie demuxer

  764. - apad filter

  765. - Resolution & pixel format change support with multithreading for H.264

  766. - documentation split into per-component manuals

  767. - pp (postproc) filter ported from MPlayer

  768. - NIST Sphere demuxer

  769. - MPL2, VPlayer, MPlayer, AQTitle, PJS and SubViewer v1 subtitles demuxers and decoders

  770. - Sony Wave64 muxer

  771. - adobe and limelight publisher authentication in RTMP

  772. - data: URI scheme

  773. - support building on the Plan 9 operating system

  774. - kerndeint filter ported from MPlayer

  775. - histeq filter ported from VirtualDub

  776. - Megalux Frame demuxer

  777. - 012v decoder

  778. - Improved AVC Intra decoding support

  779. 

  780. 

  781. version 1.0:

  782. 

  783. - INI and flat output in ffprobe

  784. - Scene detection in libavfilter

  785. - Indeo Audio decoder

  786. - channelsplit audio filter

  787. - setnsamples audio filter

  788. - atempo filter

  789. - ffprobe -show_data option

  790. - RTMPT protocol support

  791. - iLBC encoding/decoding via libilbc

  792. - Microsoft Screen 1 decoder

  793. - join audio filter

  794. - audio channel mapping filter

  795. - Microsoft ATC Screen decoder

  796. - RTSP listen mode

  797. - TechSmith Screen Codec 2 decoder

  798. - AAC encoding via libfdk-aac

  799. - Microsoft Expression Encoder Screen decoder

  800. - RTMPS protocol support

  801. - RTMPTS protocol support

  802. - RTMPE protocol support

  803. - RTMPTE protocol support

  804. - showwaves and showspectrum filter

  805. - LucasArts SMUSH SANM playback support

  806. - LucasArts SMUSH VIMA audio decoder (ADPCM)

  807. - LucasArts SMUSH demuxer

  808. - SAMI, RealText and SubViewer demuxers and decoders

  809. - Heart Of Darkness PAF playback support

  810. - iec61883 device

  811. - asettb filter

  812. - new option: -progress

  813. - 3GPP Timed Text encoder/decoder

  814. - GeoTIFF decoder support

  815. - ffmpeg -(no)stdin option

  816. - Opus decoder using libopus

  817. - caca output device using libcaca

  818. - alphaextract and alphamerge filters

  819. - concat filter

  820. - flite filter

  821. - Canopus Lossless Codec decoder

  822. - bitmap subtitles in filters (experimental and temporary)

  823. - MP2 encoding via TwoLAME

  824. - bmp parser

  825. - smptebars source

  826. - asetpts filter

  827. - hue filter

  828. - ICO muxer

  829. - SubRip encoder and decoder without embedded timing

  830. - edge detection filter

  831. - framestep filter

  832. - ffmpeg -shortest option is now per-output file

  833.   -pass and -passlogfile are now per-output stream

  834. - volume measurement filter

  835. - Ut Video encoder

  836. - Microsoft Screen 2 decoder

  837. - smartblur filter ported from MPlayer

  838. - CPiA decoder

  839. - decimate filter ported from MPlayer

  840. - RTP depacketization of JPEG

  841. - Smooth Streaming live segmenter muxer

  842. - F4V muxer

  843. - sendcmd and asendcmd filters

  844. - WebVTT demuxer and decoder (simple tags supported)

  845. - RTP packetization of JPEG

  846. - faststart option in the MOV/MP4 muxer

  847. - support for building with MSVC

  848. 

  849. 

  850. version 0.11:

  851. 

  852. - Fixes: CVE-2012-2772, CVE-2012-2774, CVE-2012-2775, CVE-2012-2776, CVE-2012-2777,

  853.          CVE-2012-2779, CVE-2012-2782, CVE-2012-2783, CVE-2012-2784, CVE-2012-2785,

  854.          CVE-2012-2786, CVE-2012-2787, CVE-2012-2788, CVE-2012-2789, CVE-2012-2790,

  855.          CVE-2012-2791, CVE-2012-2792, CVE-2012-2793, CVE-2012-2794, CVE-2012-2795,

  856.          CVE-2012-2796, CVE-2012-2797, CVE-2012-2798, CVE-2012-2799, CVE-2012-2800,

  857.          CVE-2012-2801, CVE-2012-2802, CVE-2012-2803, CVE-2012-2804,

  858. - v408 Quicktime and Microsoft AYUV Uncompressed 4:4:4:4 encoder and decoder

  859. - setfield filter

  860. - CDXL demuxer and decoder

  861. - Apple ProRes encoder

  862. - ffprobe -count_packets and -count_frames options

  863. - Sun Rasterfile Encoder

  864. - ID3v2 attached pictures reading and writing

  865. - WMA Lossless decoder

  866. - bluray protocol

  867. - blackdetect filter

  868. - libutvideo encoder wrapper (--enable-libutvideo)

  869. - swapuv filter

  870. - bbox filter

  871. - XBM encoder and decoder

  872. - RealAudio Lossless decoder

  873. - ZeroCodec decoder

  874. - tile video filter

  875. - Metal Gear Solid: The Twin Snakes demuxer

  876. - OpenEXR image decoder

  877. - removelogo filter

  878. - drop support for ffmpeg without libavfilter

  879. - drawtext video filter: fontconfig support

  880. - ffmpeg -benchmark_all option

  881. - super2xsai filter ported from libmpcodecs

  882. - add libavresample audio conversion library for compatibility

  883. - MicroDVD decoder

  884. - Avid Meridien (AVUI) encoder and decoder

  885. - accept + prefix to -pix_fmt option to disable automatic conversions.

  886. - complete audio filtering in libavfilter and ffmpeg

  887. - add fps filter

  888. - vorbis parser

  889. - png parser

  890. - audio mix filter

  891. - ffv1: support (draft) version 1.3

  892. 

  893. 

  894. version 0.10:

  895. 

  896. - Fixes: CVE-2011-3929, CVE-2011-3934, CVE-2011-3935, CVE-2011-3936,

  897.          CVE-2011-3937, CVE-2011-3940, CVE-2011-3941, CVE-2011-3944,

  898.          CVE-2011-3945, CVE-2011-3946, CVE-2011-3947, CVE-2011-3949,

  899.          CVE-2011-3950, CVE-2011-3951, CVE-2011-3952

  900. - v410 Quicktime Uncompressed 4:4:4 10-bit encoder and decoder

  901. - SBaGen (SBG) binaural beats script demuxer

  902. - OpenMG Audio muxer

  903. - Timecode extraction in DV and MOV

  904. - thumbnail video filter

  905. - XML output in ffprobe

  906. - asplit audio filter

  907. - tinterlace video filter

  908. - astreamsync audio filter

  909. - amerge audio filter

  910. - ISMV (Smooth Streaming) muxer

  911. - GSM audio parser

  912. - SMJPEG muxer

  913. - XWD encoder and decoder

  914. - Automatic thread count based on detection number of (available) CPU cores

  915. - y41p Brooktree Uncompressed 4:1:1 12-bit encoder and decoder

  916. - ffprobe -show_error option

  917. - Avid 1:1 10-bit RGB Packer codec

  918. - v308 Quicktime Uncompressed 4:4:4 encoder and decoder

  919. - yuv4 libquicktime packed 4:2:0 encoder and decoder

  920. - ffprobe -show_frames option

  921. - silencedetect audio filter

  922. - ffprobe -show_program_version, -show_library_versions, -show_versions options

  923. - rv34: frame-level multi-threading

  924. - optimized iMDCT transform on x86 using SSE for for mpegaudiodec

  925. - Improved PGS subtitle decoder

  926. - dumpgraph option to lavfi device

  927. - r210 and r10k encoders

  928. - ffwavesynth decoder

  929. - aviocat tool

  930. - ffeval tool

  931. - support encoding and decoding 4-channel SGI images

  932. 

  933. 

  934. version 0.9:

  935. 

  936. - openal input device added

  937. - boxblur filter added

  938. - BWF muxer

  939. - Flash Screen Video 2 decoder

  940. - lavfi input device added

  941. - added avconv, which is almost the same for now, except

  942. for a few incompatible changes in the options, which will hopefully make them

  943. easier to use. The changes are:

  944.     * The options placement is now strictly enforced! While in theory the

  945.       options for ffmpeg should be given in [input options] -i INPUT [output

  946.       options] OUTPUT order, in practice it was possible to give output options

  947.       before the -i and it mostly worked. Except when it didn't - the behavior was

  948.       a bit inconsistent. In avconv, it is not possible to mix input and output

  949.       options. All non-global options are reset after an input or output filename.

  950.     * All per-file options are now truly per-file - they apply only to the next

  951.       input or output file and specifying different values for different files

  952.       will now work properly (notably -ss and -t options).

  953.     * All per-stream options are now truly per-stream - it is possible to

  954.       specify which stream(s) should a given option apply to. See the Stream

  955.       specifiers section in the avconv manual for details.

  956.     * In ffmpeg some options (like -newvideo/-newaudio/...) are irregular in the

  957.       sense that they're specified after the output filename instead of before,

  958.       like all other options. In avconv this irregularity is removed, all options

  959.       apply to the next input or output file.

  960.     * -newvideo/-newaudio/-newsubtitle options were removed. Not only were they

  961.       irregular and highly confusing, they were also redundant. In avconv the -map

  962.       option will create new streams in the output file and map input streams to

  963.       them. E.g. avconv -i INPUT -map 0 OUTPUT will create an output stream for

  964.       each stream in the first input file.

  965.     * The -map option now has slightly different and more powerful syntax:

  966.         + Colons (':') are used to separate file index/stream type/stream index

  967.           instead of dots. Comma (',') is used to separate the sync stream instead

  968.           of colon.. This is done for consistency with other options.

  969.         + It's possible to specify stream type. E.g. -map 0:a:2 creates an

  970.           output stream from the third input audio stream.

  971.         + Omitting the stream index now maps all the streams of the given type,

  972.           not just the first. E.g. -map 0:s creates output streams for all the

  973.           subtitle streams in the first input file.

  974.         + Since -map can now match multiple streams, negative mappings were

  975.           introduced. Negative mappings disable some streams from an already

  976.           defined map. E.g. '-map 0 -map -0:a:1' means 'create output streams for

  977.           all the stream in the first input file, except for the second audio

  978.           stream'.

  979.     * There is a new option -c (or -codec) for choosing the decoder/encoder to

  980.       use, which makes it possible to precisely specify target stream(s) consistently with

  981.       other options. E.g. -c:v lib264 sets the codec for all video streams, -c:a:0

  982.       libvorbis sets the codec for the first audio stream and -c copy copies all

  983.       the streams without reencoding. Old -vcodec/-acodec/-scodec options are now

  984.       aliases to -c:v/a/s

  985.     * It is now possible to precisely specify which stream should an AVOption

  986.       apply to. E.g. -b:v:0 2M sets the bitrate for the first video stream, while

  987.       -b:a 128k sets the bitrate for all audio streams. Note that the old -ab 128k

  988.       syntax is deprecated and will stop working soon.

  989.     * -map_chapters now takes only an input file index and applies to the next

  990.       output file. This is consistent with how all the other options work.

  991.     * -map_metadata now takes only an input metadata specifier and applies to

  992.       the next output file. Output metadata specifier is now part of the option

  993.       name, similarly to the AVOptions/map/codec feature above.

  994.     * -metadata can now be used to set metadata on streams and chapters, e.g.

  995.       -metadata:s:1 language=eng sets the language of the first stream to 'eng'.

  996.       This made -vlang/-alang/-slang options redundant, so they were removed.

  997.     * -qscale option now uses stream specifiers and applies to all streams, not

  998.       just video. I.e. plain -qscale number would now apply to all streams. To get

  999.       the old behavior, use -qscale:v. Also there is now a shortcut -q for -qscale

  1000.       and -aq is now an alias for -q:a.

  1001.     * -vbsf/-absf/-sbsf options were removed and replaced by a -bsf option which

  1002.       uses stream specifiers. Use -bsf:v/a/s instead of the old options.

  1003.     * -itsscale option now uses stream specifiers, so its argument is only the

  1004.       scale parameter.

  1005.     * -intra option was removed, use -g 0 for the same effect.

  1006.     * -psnr option was removed, use -flags +psnr for the same effect.

  1007.     * -vf option is now an alias to the new -filter option, which uses stream specifiers.

  1008.     * -vframes/-aframes/-dframes options are now aliases to the new -frames option.

  1009.     * -vtag/-atag/-stag options are now aliases to the new -tag option.

  1010. - XMV demuxer

  1011. - LOAS demuxer

  1012. - ashowinfo filter added

  1013. - Windows Media Image decoder

  1014. - amovie source added

  1015. - LATM muxer/demuxer

  1016. - Speex encoder via libspeex

  1017. - JSON output in ffprobe

  1018. - WTV muxer

  1019. - Optional C++ Support (needed for libstagefright)

  1020. - H.264 Decoding on Android via Stagefright

  1021. - Prores decoder

  1022. - BIN/XBIN/ADF/IDF text file decoder

  1023. - aconvert audio filter added

  1024. - audio support to lavfi input device added

  1025. - libcdio-paranoia input device for audio CD grabbing

  1026. - Apple ProRes decoder

  1027. - CELT in Ogg demuxing

  1028. - G.723.1 demuxer and decoder

  1029. - libmodplug support (--enable-libmodplug)

  1030. - VC-1 interlaced decoding

  1031. - libutvideo wrapper (--enable-libutvideo)

  1032. - aevalsrc audio source added

  1033. - Ut Video decoder

  1034. - Speex encoding via libspeex

  1035. - 4:2:2 H.264 decoding support

  1036. - 4:2:2 and 4:4:4 H.264 encoding with libx264

  1037. - Pulseaudio input device

  1038. - Prores encoder

  1039. - Video Decoder Acceleration (VDA) HWAccel module.

  1040. - replacement Indeo 3 decoder

  1041. - new ffmpeg option: -map_channel

  1042. - volume audio filter added

  1043. - earwax audio filter added

  1044. - libv4l2 support (--enable-libv4l2)

  1045. - TLS/SSL and HTTPS protocol support

  1046. - AVOptions API rewritten and documented

  1047. - most of CODEC_FLAG2_*, some CODEC_FLAG_* and many codec-specific fields in

  1048.   AVCodecContext deprecated. Codec private options should be used instead.

  1049. - Properly working defaults in libx264 wrapper, support for native presets.

  1050. - Encrypted OMA files support

  1051. - Discworld II BMV decoding support

  1052. - VBLE Decoder

  1053. - OS X Video Decoder Acceleration (VDA) support

  1054. - compact and csv output in ffprobe

  1055. - pan audio filter

  1056. - IFF Amiga Continuous Bitmap (ACBM) decoder

  1057. - ass filter

  1058. - CRI ADX audio format muxer and demuxer

  1059. - Playstation Portable PMP format demuxer

  1060. - Microsoft Windows ICO demuxer

  1061. - life source

  1062. - PCM format support in OMA demuxer

  1063. - CLJR encoder

  1064. - new option: -report

  1065. - Dxtory capture format decoder

  1066. - cellauto source

  1067. - Simple segmenting muxer

  1068. - Indeo 4 decoder

  1069. - SMJPEG demuxer

  1070. 

  1071. 

  1072. version 0.8:

  1073. 

  1074. - many many things we forgot because we rather write code than changelogs

  1075. - WebM support in Matroska de/muxer

  1076. - low overhead Ogg muxing

  1077. - MMS-TCP support

  1078. - VP8 de/encoding via libvpx

  1079. - Demuxer for On2's IVF format

  1080. - Pictor/PC Paint decoder

  1081. - HE-AAC v2 decoder

  1082. - HE-AAC v2 encoding with libaacplus

  1083. - libfaad2 wrapper removed

  1084. - DTS-ES extension (XCh) decoding support

  1085. - native VP8 decoder

  1086. - RTSP tunneling over HTTP

  1087. - RTP depacketization of SVQ3

  1088. - -strict inofficial replaced by -strict unofficial

  1089. - ffplay -exitonkeydown and -exitonmousedown options added

  1090. - native GSM / GSM MS decoder

  1091. - RTP depacketization of QDM2

  1092. - ANSI/ASCII art playback system

  1093. - Lego Mindstorms RSO de/muxer

  1094. - libavcore added (and subsequently removed)

  1095. - SubRip subtitle file muxer and demuxer

  1096. - Chinese AVS encoding via libxavs

  1097. - ffprobe -show_packets option added

  1098. - RTP packetization of Theora and Vorbis

  1099. - RTP depacketization of MP4A-LATM

  1100. - RTP packetization and depacketization of VP8

  1101. - hflip filter

  1102. - Apple HTTP Live Streaming demuxer

  1103. - a64 codec

  1104. - MMS-HTTP support

  1105. - G.722 ADPCM audio encoder/decoder

  1106. - R10k video decoder

  1107. - ocv_smooth filter

  1108. - frei0r wrapper filter

  1109. - change crop filter syntax to width:height:x:y

  1110. - make the crop filter accept parametric expressions

  1111. - make ffprobe accept AVFormatContext options

  1112. - yadif filter

  1113. - blackframe filter

  1114. - Demuxer for Leitch/Harris' VR native stream format (LXF)

  1115. - RTP depacketization of the X-QT QuickTime format

  1116. - SAP (Session Announcement Protocol, RFC 2974) muxer and demuxer

  1117. - cropdetect filter

  1118. - ffmpeg -crop* options removed

  1119. - transpose filter added

  1120. - ffmpeg -force_key_frames option added

  1121. - demuxer for receiving raw rtp:// URLs without an SDP description

  1122. - single stream LATM/LOAS decoder

  1123. - setpts filter added

  1124. - Win64 support for optimized x86 assembly functions

  1125. - MJPEG/AVI1 to JPEG/JFIF bitstream filter

  1126. - ASS subtitle encoder and decoder

  1127. - IEC 61937 encapsulation for E-AC-3, TrueHD, DTS-HD (for HDMI passthrough)

  1128. - overlay filter added

  1129. - rename aspect filter to setdar, and pixelaspect to setsar

  1130. - IEC 61937 demuxer

  1131. - Mobotix .mxg demuxer

  1132. - frei0r source added

  1133. - hqdn3d filter added

  1134. - RTP depacketization of QCELP

  1135. - FLAC parser added

  1136. - gradfun filter added

  1137. - AMR-WB decoder

  1138. - replace the ocv_smooth filter with a more generic ocv filter

  1139. - Windows Televison (WTV) demuxer

  1140. - FFmpeg metadata format muxer and demuxer

  1141. - SubRip (srt) subtitle encoder and decoder

  1142. - floating-point AC-3 encoder added

  1143. - Lagarith decoder

  1144. - ffmpeg -copytb option added

  1145. - IVF muxer added

  1146. - Wing Commander IV movies decoder added

  1147. - movie source added

  1148. - Bink version 'b' audio and video decoder

  1149. - Bitmap Brothers JV playback system

  1150. - Apple HTTP Live Streaming protocol handler

  1151. - sndio support for playback and record

  1152. - Linux framebuffer input device added

  1153. - Chronomaster DFA decoder

  1154. - DPX image encoder

  1155. - MicroDVD subtitle file muxer and demuxer

  1156. - Playstation Portable PMP format demuxer

  1157. - fieldorder video filter added

  1158. - AAC encoding via libvo-aacenc

  1159. - AMR-WB encoding via libvo-amrwbenc

  1160. - xWMA demuxer

  1161. - Mobotix MxPEG decoder

  1162. - VP8 frame-multithreading

  1163. - NEON optimizations for VP8

  1164. - Lots of deprecated API cruft removed

  1165. - fft and imdct optimizations for AVX (Sandy Bridge) processors

  1166. - showinfo filter added

  1167. - SMPTE 302M AES3 audio decoder

  1168. - Apple Core Audio Format muxer

  1169. - 9 bits and 10 bits per sample support in the H.264 decoder

  1170. - 9 bits and 10 bits FFV1 encoding / decoding

  1171. - split filter added

  1172. - select filter added

  1173. - sdl output device added

  1174. - libmpcodecs video filter support (3 times as many filters than before)

  1175. - mpeg2 aspect ratio dection fixed

  1176. - libxvid aspect pickiness fixed

  1177. - Frame multithreaded decoding

  1178. - E-AC-3 audio encoder

  1179. - ac3enc: add channel coupling support

  1180. - floating-point sample format support to the ac3, eac3, dca, aac, and vorbis decoders.

  1181. - H264/MPEG frame-level multi-threading

  1182. - All av_metadata_* functions renamed to av_dict_* and moved to libavutil

  1183. - 4:4:4 H.264 decoding support

  1184. - 10-bit H.264 optimizations for x86

  1185. - lut, lutrgb, and lutyuv filters added

  1186. - buffersink libavfilter sink added

  1187. - Bump libswscale for recently reported ABI break

  1188. - New J2K encoder (via OpenJPEG)

  1189. 

  1190. 

  1191. version 0.7:

  1192. 

  1193. - all the changes for 0.8, but keeping API/ABI compatibility with the 0.6 release

  1194. 

  1195. 

  1196. version 0.6:

  1197. 

  1198. - PB-frame decoding for H.263

  1199. - deprecated vhook subsystem removed

  1200. - deprecated old scaler removed

  1201. - VQF demuxer

  1202. - Alpha channel scaler

  1203. - PCX encoder

  1204. - RTP packetization of H.263

  1205. - RTP packetization of AMR

  1206. - RTP depacketization of Vorbis

  1207. - CorePNG decoding support

  1208. - Cook multichannel decoding support

  1209. - introduced avlanguage helpers in libavformat

  1210. - 8088flex TMV demuxer and decoder

  1211. - per-stream language-tags extraction in asfdec

  1212. - V210 decoder and encoder

  1213. - remaining GPL parts in AC-3 decoder converted to LGPL

  1214. - QCP demuxer

  1215. - SoX native format muxer and demuxer

  1216. - AMR-NB decoding/encoding, AMR-WB decoding via OpenCORE libraries

  1217. - DPX image decoder

  1218. - Electronic Arts Madcow decoder

  1219. - DivX (XSUB) subtitle encoder

  1220. - nonfree libamr support for AMR-NB/WB decoding/encoding removed

  1221. - experimental AAC encoder

  1222. - RTP depacketization of ASF and RTSP from WMS servers

  1223. - RTMP support in libavformat

  1224. - noX handling for OPT_BOOL X options

  1225. - Wave64 demuxer

  1226. - IEC-61937 compatible Muxer

  1227. - TwinVQ decoder

  1228. - Bluray (PGS) subtitle decoder

  1229. - LPCM support in MPEG-TS (HDMV RID as found on Blu-ray disks)

  1230. - WMA Pro decoder

  1231. - Core Audio Format demuxer

  1232. - ATRAC1 decoder

  1233. - MD STUDIO audio demuxer

  1234. - RF64 support in WAV demuxer

  1235. - MPEG-4 Audio Lossless Coding (ALS) decoder

  1236. - -formats option split into -formats, -codecs, -bsfs, and -protocols

  1237. - IV8 demuxer

  1238. - CDG demuxer and decoder

  1239. - R210 decoder

  1240. - Auravision Aura 1 and 2 decoders

  1241. - Deluxe Paint Animation playback system

  1242. - SIPR decoder

  1243. - Adobe Filmstrip muxer and demuxer

  1244. - RTP depacketization of H.263

  1245. - Bink demuxer and audio/video decoders

  1246. - enable symbol versioning by default for linkers that support it

  1247. - IFF PBM/ILBM bitmap decoder

  1248. - concat protocol

  1249. - Indeo 5 decoder

  1250. - RTP depacketization of AMR

  1251. - WMA Voice decoder

  1252. - ffprobe tool

  1253. - AMR-NB decoder

  1254. - RTSP muxer

  1255. - HE-AAC v1 decoder

  1256. - Kega Game Video (KGV1) decoder

  1257. - VorbisComment writing for FLAC, Ogg FLAC and Ogg Speex files

  1258. - RTP depacketization of Theora

  1259. - HTTP Digest authentication

  1260. - RTMP/RTMPT/RTMPS/RTMPE/RTMPTE protocol support via librtmp

  1261. - Psygnosis YOP demuxer and video decoder

  1262. - spectral extension support in the E-AC-3 decoder

  1263. - unsharp video filter

  1264. - RTP hinting in the mov/3gp/mp4 muxer

  1265. - Dirac in Ogg demuxing

  1266. - seek to keyframes in Ogg

  1267. - 4:2:2 and 4:4:4 Theora decoding

  1268. - 35% faster VP3/Theora decoding

  1269. - faster AAC decoding

  1270. - faster H.264 decoding

  1271. - RealAudio 1.0 (14.4K) encoder

  1272. 

  1273. 

  1274. version 0.5:

  1275. 

  1276. - DV50 AKA DVCPRO50 encoder, decoder, muxer and demuxer

  1277. - TechSmith Camtasia (TSCC) video decoder

  1278. - IBM Ultimotion (ULTI) video decoder

  1279. - Sierra Online audio file demuxer and decoder

  1280. - Apple QuickDraw (qdrw) video decoder

  1281. - Creative ADPCM audio decoder (16 bits as well as 8 bits schemes)

  1282. - Electronic Arts Multimedia (WVE/UV2/etc.) file demuxer

  1283. - Miro VideoXL (VIXL) video decoder

  1284. - H.261 video encoder

  1285. - QPEG video decoder

  1286. - Nullsoft Video (NSV) file demuxer

  1287. - Shorten audio decoder

  1288. - LOCO video decoder

  1289. - Apple Lossless Audio Codec (ALAC) decoder

  1290. - Winnov WNV1 video decoder

  1291. - Autodesk Animator Studio Codec (AASC) decoder

  1292. - Indeo 2 video decoder

  1293. - Fraps FPS1 video decoder

  1294. - Snow video encoder/decoder

  1295. - Sonic audio encoder/decoder

  1296. - Vorbis audio decoder

  1297. - Macromedia ADPCM decoder

  1298. - Duck TrueMotion 2 video decoder

  1299. - support for decoding FLX and DTA extensions in FLIC files

  1300. - H.264 custom quantization matrices support

  1301. - ffserver fixed, it should now be usable again

  1302. - QDM2 audio decoder

  1303. - Real Cooker audio decoder

  1304. - TrueSpeech audio decoder

  1305. - WMA2 audio decoder fixed, now all files should play correctly

  1306. - RealAudio 14.4 and 28.8 decoders fixed

  1307. - JPEG-LS decoder

  1308. - build system improvements

  1309. - tabs and trailing whitespace removed from the codebase

  1310. - CamStudio video decoder

  1311. - AIFF/AIFF-C audio format, encoding and decoding

  1312. - ADTS AAC file reading and writing

  1313. - Creative VOC file reading and writing

  1314. - American Laser Games multimedia (*.mm) playback system

  1315. - Zip Motion Blocks Video decoder

  1316. - improved Theora/VP3 decoder

  1317. - True Audio (TTA) decoder

  1318. - AVS demuxer and video decoder

  1319. - JPEG-LS encoder

  1320. - Smacker demuxer and decoder

  1321. - NuppelVideo/MythTV demuxer and RTjpeg decoder

  1322. - KMVC decoder

  1323. - MPEG-2 intra VLC support

  1324. - MPEG-2 4:2:2 encoder

  1325. - Flash Screen Video decoder

  1326. - GXF demuxer

  1327. - Chinese AVS decoder

  1328. - GXF muxer

  1329. - MXF demuxer

  1330. - VC-1/WMV3/WMV9 video decoder

  1331. - MacIntel support

  1332. - AviSynth support

  1333. - VMware video decoder

  1334. - VP5 video decoder

  1335. - VP6 video decoder

  1336. - WavPack lossless audio decoder

  1337. - Targa (.TGA) picture decoder

  1338. - Vorbis audio encoder

  1339. - Delphine Software .cin demuxer/audio and video decoder

  1340. - Tiertex .seq demuxer/video decoder

  1341. - MTV demuxer

  1342. - TIFF picture encoder and decoder

  1343. - GIF picture decoder

  1344. - Intel Music Coder decoder

  1345. - Zip Motion Blocks Video encoder

  1346. - Musepack decoder

  1347. - Flash Screen Video encoder

  1348. - Theora encoding via libtheora

  1349. - BMP encoder

  1350. - WMA encoder

  1351. - GSM-MS encoder and decoder

  1352. - DCA decoder

  1353. - DXA demuxer and decoder

  1354. - DNxHD decoder

  1355. - Gamecube movie (.THP) playback system

  1356. - Blackfin optimizations

  1357. - Interplay C93 demuxer and video decoder

  1358. - Bethsoft VID demuxer and video decoder

  1359. - CRYO APC demuxer

  1360. - ATRAC3 decoder

  1361. - V.Flash PTX decoder

  1362. - RoQ muxer, RoQ audio encoder

  1363. - Renderware TXD demuxer and decoder

  1364. - extern C declarations for C++ removed from headers

  1365. - sws_flags command line option

  1366. - codebook generator

  1367. - RoQ video encoder

  1368. - QTRLE encoder

  1369. - OS/2 support removed and restored again

  1370. - AC-3 decoder

  1371. - NUT muxer

  1372. - additional SPARC (VIS) optimizations

  1373. - Matroska muxer

  1374. - slice-based parallel H.264 decoding

  1375. - Monkey's Audio demuxer and decoder

  1376. - AMV audio and video decoder

  1377. - DNxHD encoder

  1378. - H.264 PAFF decoding

  1379. - Nellymoser ASAO decoder

  1380. - Beam Software SIFF demuxer and decoder

  1381. - libvorbis Vorbis decoding removed in favor of native decoder

  1382. - IntraX8 (J-Frame) subdecoder for WMV2 and VC-1

  1383. - Ogg (Theora, Vorbis and FLAC) muxer

  1384. - The "device" muxers and demuxers are now in a new libavdevice library

  1385. - PC Paintbrush PCX decoder

  1386. - Sun Rasterfile decoder

  1387. - TechnoTrend PVA demuxer

  1388. - Linux Media Labs MPEG-4 (LMLM4) demuxer

  1389. - AVM2 (Flash 9) SWF muxer

  1390. - QT variant of IMA ADPCM encoder

  1391. - VFW grabber

  1392. - iPod/iPhone compatible mp4 muxer

  1393. - Mimic decoder

  1394. - MSN TCP Webcam stream demuxer

  1395. - RL2 demuxer / decoder

  1396. - IFF demuxer

  1397. - 8SVX audio decoder

  1398. - non-recursive Makefiles

  1399. - BFI demuxer

  1400. - MAXIS EA XA (.xa) demuxer / decoder

  1401. - BFI video decoder

  1402. - OMA demuxer

  1403. - MLP/TrueHD decoder

  1404. - Electronic Arts CMV decoder

  1405. - Motion Pixels Video decoder

  1406. - Motion Pixels MVI demuxer

  1407. - removed animated GIF decoder/demuxer

  1408. - D-Cinema audio muxer

  1409. - Electronic Arts TGV decoder

  1410. - Apple Lossless Audio Codec (ALAC) encoder

  1411. - AAC decoder

  1412. - floating point PCM encoder/decoder

  1413. - MXF muxer

  1414. - DV100 AKA DVCPRO HD decoder and demuxer

  1415. - E-AC-3 support added to AC-3 decoder

  1416. - Nellymoser ASAO encoder

  1417. - ASS and SSA demuxer and muxer

  1418. - liba52 wrapper removed

  1419. - SVQ3 watermark decoding support

  1420. - Speex decoding via libspeex

  1421. - Electronic Arts TGQ decoder

  1422. - RV40 decoder

  1423. - QCELP / PureVoice decoder

  1424. - RV30 decoder

  1425. - hybrid WavPack support

  1426. - R3D REDCODE demuxer

  1427. - ALSA support for playback and record

  1428. - Electronic Arts TQI decoder

  1429. - OpenJPEG based JPEG 2000 decoder

  1430. - NC (NC4600) camera file demuxer

  1431. - Gopher client support

  1432. - MXF D-10 muxer

  1433. - generic metadata API

  1434. - flash ScreenVideo2 encoder

  1435. 

  1436. 

  1437. version 0.4.9-pre1:

  1438. 

  1439. - DV encoder, DV muxer

  1440. - Microsoft RLE video decoder

  1441. - Microsoft Video-1 decoder

  1442. - Apple Animation (RLE) decoder

  1443. - Apple Graphics (SMC) decoder

  1444. - Apple Video (RPZA) decoder

  1445. - Cinepak decoder

  1446. - Sega FILM (CPK) file demuxer

  1447. - Westwood multimedia support (VQA & AUD files)

  1448. - Id Quake II CIN playback support

  1449. - 8BPS video decoder

  1450. - FLIC playback support

  1451. - RealVideo 2.0 (RV20) decoder

  1452. - Duck TrueMotion v1 (DUCK) video decoder

  1453. - Sierra VMD demuxer and video decoder

  1454. - MSZH and ZLIB decoder support

  1455. - SVQ1 video encoder

  1456. - AMR-WB support

  1457. - PPC optimizations

  1458. - rate distortion optimal cbp support

  1459. - rate distorted optimal ac prediction for MPEG-4

  1460. - rate distorted optimal lambda->qp support

  1461. - AAC encoding with libfaac

  1462. - Sunplus JPEG codec (SP5X) support

  1463. - use Lagrange multiplier instead of QP for ratecontrol

  1464. - Theora/VP3 decoding support

  1465. - XA and ADX ADPCM codecs

  1466. - export MPEG-2 active display area / pan scan

  1467. - Add support for configuring with IBM XLC

  1468. - floating point AAN DCT

  1469. - initial support for zygo video (not complete)

  1470. - RGB ffv1 support

  1471. - new audio/video parser API

  1472. - av_log() system

  1473. - av_read_frame() and av_seek_frame() support

  1474. - missing last frame fixes

  1475. - seek by mouse in ffplay

  1476. - noise reduction of DCT coefficients

  1477. - H.263 OBMC & 4MV support

  1478. - H.263 alternative inter vlc support

  1479. - H.263 loop filter

  1480. - H.263 slice structured mode

  1481. - interlaced DCT support for MPEG-2 encoding

  1482. - stuffing to stay above min_bitrate

  1483. - MB type & QP visualization

  1484. - frame stepping for ffplay

  1485. - interlaced motion estimation

  1486. - alternate scantable support

  1487. - SVCD scan offset support

  1488. - closed GOP support

  1489. - SSE2 FDCT

  1490. - quantizer noise shaping

  1491. - G.726 ADPCM audio codec

  1492. - MS ADPCM encoding

  1493. - multithreaded/SMP motion estimation

  1494. - multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263

  1495. - multithreaded/SMP decoding for MPEG-2

  1496. - FLAC decoder

  1497. - Metrowerks CodeWarrior suppport

  1498. - H.263+ custom pcf support

  1499. - nicer output for 'ffmpeg -formats'

  1500. - Matroska demuxer

  1501. - SGI image format, encoding and decoding

  1502. - H.264 loop filter support

  1503. - H.264 CABAC support

  1504. - nicer looking arrows for the motion vector visualization

  1505. - improved VCD support

  1506. - audio timestamp drift compensation

  1507. - MPEG-2 YUV 422/444 support

  1508. - polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample

  1509. - better image scaling

  1510. - H.261 support

  1511. - correctly interleave packets during encoding

  1512. - VIS optimized motion compensation

  1513. - intra_dc_precision>0 encoding support

  1514. - support reuse of motion vectors/MB types/field select values of the source video

  1515. - more accurate deblock filter

  1516. - padding support

  1517. - many optimizations and bugfixes

  1518. - FunCom ISS audio file demuxer and according ADPCM decoding

  1519. 

  1520. 

  1521. version 0.4.8:

  1522. 

  1523. - MPEG-2 video encoding (Michael)

  1524. - Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)

  1525. - Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson

  1526.   and Mario Brito)

  1527. - Xan DPCM audio decoder (Mario Brito)

  1528. - Interplay MVE playback subsystem (Mike Melanson)

  1529. - Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)

  1530. 

  1531. 

  1532. version 0.4.7:

  1533. 

  1534. - RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from mplayerhq

  1535.   (originally from public domain player for Amiga at http://www.honeypot.net/audio)

  1536. - current version now also compiles with older GCC (Fabrice)

  1537. - 4X multimedia playback system including 4xm file demuxer (Mike

  1538.   Melanson), and 4X video and audio codecs (Michael)

  1539. - Creative YUV (CYUV) decoder (Mike Melanson)

  1540. - FFV1 codec (our very simple lossless intra only codec, compresses much better

  1541.   than HuffYUV) (Michael)

  1542. - ASV1 (Asus), H.264, Intel indeo3 codecs have been added (various)

  1543. - tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with

  1544.   alpha support), JPEG YUV colorspace support. (Fabrice Bellard)

  1545. - ffplay has been replaced with a newer version which uses SDL (optionally)

  1546.   for multiplatform support (Fabrice)

  1547. - Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated

  1548.   by anonymous

  1549. - AMR format has been added (Johannes Carlsson)

  1550. - 3GP support has been added (Johannes Carlsson)

  1551. - VP3 codec has been added (Mike Melanson)

  1552. - more MPEG-1/2 fixes

  1553. - better multiplatform support, MS Visual Studio fixes (various)

  1554. - AltiVec optimizations (Magnus Damn and others)

  1555. - SH4 processor support has been added (BERO)

  1556. - new public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)

  1557. - VOB streaming support (Brian Foley)

  1558. - better MP3 autodetection (Andriy Rysin)

  1559. - qpel encoding (Michael)

  1560. - 4mv+b frames encoding finally fixed (Michael)

  1561. - chroma ME (Michael)

  1562. - 5 comparison functions for ME (Michael)

  1563. - B-frame encoding speedup (Michael)

  1564. - WMV2 codec (unfinished - Michael)

  1565. - user specified diamond size for EPZS (Michael)

  1566. - Playstation STR playback subsystem, still experimental (Mike and Michael)

  1567. - ASV2 codec (Michael)

  1568. - CLJR decoder (Alex)

  1569. 

  1570. .. And lots more new enhancements and fixes.

  1571. 

  1572. 

  1573. version 0.4.6:

  1574. 

  1575. - completely new integer only MPEG audio layer 1/2/3 decoder rewritten

  1576.   from scratch

  1577. - Recoded DCT and motion vector search with gcc (no longer depends on nasm)

  1578. - fix quantization bug in AC3 encoder

  1579. - added PCM codecs and format. Corrected WAV/AVI/ASF PCM issues

  1580. - added prototype ffplay program

  1581. - added GOB header parsing on H.263/H.263+ decoder (Juanjo)

  1582. - bug fix on MCBPC tables of H.263 (Juanjo)

  1583. - bug fix on DC coefficients of H.263 (Juanjo)

  1584. - added Advanced Prediction Mode on H.263/H.263+ decoder (Juanjo)

  1585. - now we can decode H.263 streams found in QuickTime files (Juanjo)

  1586. - now we can decode H.263 streams found in VIVO v1 files(Juanjo)

  1587. - preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)

  1588. - added GOB header for H.263/H.263+ coding on RTP mode (Juanjo)

  1589. - now H.263 picture size is returned on the first decoded frame (Juanjo)

  1590. - added first regression tests

  1591. - added MPEG-2 TS demuxer

  1592. - new demux API for libav

  1593. - more accurate and faster IDCT (Michael)

  1594. - faster and entropy-controlled motion search (Michael)

  1595. - two pass video encoding (Michael)

  1596. - new video rate control (Michael)

  1597. - added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)

  1598. - great performance improvement of video encoders and decoders (Michael)

  1599. - new and faster bit readers and vlc parsers (Michael)

  1600. - high quality encoding mode: tries all macroblock/VLC types (Michael)

  1601. - added DV video decoder

  1602. - preliminary RTP/RTSP support in ffserver and libavformat

  1603. - H.263+ AIC decoding/encoding support (Juanjo)

  1604. - VCD MPEG-PS mode (Juanjo)

  1605. - PSNR stuff (Juanjo)

  1606. - simple stats output (Juanjo)

  1607. - 16-bit and 15-bit RGB/BGR/GBR support (Bisqwit)

  1608. 

  1609. 

  1610. version 0.4.5:

  1611. 

  1612. - some header fixes (Zdenek Kabelac <kabi at informatics.muni.cz>)

  1613. - many MMX optimizations (Nick Kurshev <nickols_k at mail.ru>)

  1614. - added configure system (actually a small shell script)

  1615. - added MPEG audio layer 1/2/3 decoding using LGPL'ed mpglib by

  1616.   Michael Hipp (temporary solution - waiting for integer only

  1617.   decoder)

  1618. - fixed VIDIOCSYNC interrupt

  1619. - added Intel H.263 decoding support ('I263' AVI fourCC)

  1620. - added Real Video 1.0 decoding (needs further testing)

  1621. - simplified image formats again. Added PGM format (=grey

  1622.   pgm). Renamed old PGM to PGMYUV.

  1623. - fixed msmpeg4 slice issues (tell me if you still find problems)

  1624. - fixed OpenDivX bugs with newer versions (added VOL header decoding)

  1625. - added support for MPlayer interface

  1626. - added macroblock skip optimization

  1627. - added MJPEG decoder

  1628. - added mmx/mmxext IDCT from libmpeg2

  1629. - added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer

  1630.   <celer at shell.scrypt.net>)

  1631. - added pixel format conversion layer (e.g. for MJPEG or PPM)

  1632. - added deinterlacing option

  1633. - MPEG-1/2 fixes

  1634. - MPEG-4 vol header fixes (Jonathan Marsden <snmjbm at pacbell.net>)

  1635. - ARM optimizations (Lionel Ulmer <lionel.ulmer at free.fr>).

  1636. - Windows porting of file converter

  1637. - added MJPEG raw format (input/output)

  1638. - added JPEG image format support (input/output)

  1639. 

  1640. 

  1641. version 0.4.4:

  1642. 

  1643. - fixed some std header definitions (Bjorn Lindgren

  1644.   <bjorn.e.lindgren at telia.com>).

  1645. - added MPEG demuxer (MPEG-1 and 2 compatible).

  1646. - added ASF demuxer

  1647. - added prototype RM demuxer

  1648. - added AC3 decoding (done with libac3 by Aaron Holtzman)

  1649. - added decoding codec parameter guessing (.e.g. for MPEG, because the

  1650.   header does not include them)

  1651. - fixed header generation in MPEG-1, AVI and ASF muxer: wmplayer can now

  1652.   play them (only tested video)

  1653. - fixed H.263 white bug

  1654. - fixed phase rounding in img resample filter

  1655. - add MMX code for polyphase img resample filter

  1656. - added CPU autodetection

  1657. - added generic title/author/copyright/comment string handling (ASF and RM

  1658.   use them)

  1659. - added SWF demux to extract MP3 track (not usable yet because no MP3

  1660.   decoder)

  1661. - added fractional frame rate support

  1662. - codecs are no longer searched by read_header() (should fix ffserver

  1663.   segfault)

  1664. 

  1665. 

  1666. version 0.4.3:

  1667. 

  1668. - BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq at amsat.org>)

  1669. - fixed raw yuv output

  1670. - added motion rounding support in MPEG-4

  1671. - fixed motion bug rounding in MSMPEG4

  1672. - added B-frame handling in video core

  1673. - added full MPEG-1 decoding support

  1674. - added partial (frame only) MPEG-2 support

  1675. - changed the FOURCC code for H.263 to "U263" to be able to see the

  1676.   +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with

  1677.   this +codec ;) (JuanJo).

  1678. - Halfpel motion estimation after MB type selection (JuanJo)

  1679. - added pgm and .Y.U.V output format

  1680. - suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or

  1681.   output.

  1682. - added pgmpipe I/O format (original patch from Martin Aumueller

  1683.   <lists at reserv.at>, but changed completely since we use a format

  1684.   instead of a protocol)

  1685. 

  1686. 

  1687. version 0.4.2:

  1688. 

  1689. - added H.263/MPEG-4/MSMPEG4 decoding support. MPEG-4 decoding support

  1690.   (for OpenDivX) is almost complete: 8x8 MVs and rounding are

  1691.   missing. MSMPEG4 support is complete.

  1692. - added prototype MPEG-1 decoder. Only I- and P-frames handled yet (it

  1693.   can decode ffmpeg MPEGs :-)).

  1694. - added libavcodec API documentation (see apiexample.c).

  1695. - fixed image polyphase bug (the bottom of some images could be

  1696.   greenish)

  1697. - added support for non clipped motion vectors (decoding only)

  1698.   and image sizes non-multiple of 16

  1699. - added support for AC prediction (decoding only)

  1700. - added file overwrite confirmation (can be disabled with -y)

  1701. - added custom size picture to H.263 using H.263+ (Juanjo)

  1702. 

  1703. 

  1704. version 0.4.1:

  1705. 

  1706. - added MSMPEG4 (aka DivX) compatible encoder. Changed default codec

  1707.   of AVI and ASF to DIV3.

  1708. - added -me option to set motion estimation method

  1709.   (default=log). suppressed redundant -hq option.

  1710. - added options -acodec and -vcodec to force a given codec (useful for

  1711.   AVI for example)

  1712. - fixed -an option

  1713. - improved dct_quantize speed

  1714. - factorized some motion estimation code

  1715. 

  1716. 

  1717. version 0.4.0:

  1718. 

  1719. - removing grab code from ffserver and moved it to ffmpeg. Added

  1720.   multistream support to ffmpeg.

  1721. - added timeshifting support for live feeds (option ?date=xxx in the

  1722.   URL)

  1723. - added high quality image resize code with polyphase filter (need

  1724.   mmx/see optimization). Enable multiple image size support in ffserver.

  1725. - added multi live feed support in ffserver

  1726. - suppressed master feature from ffserver (it should be done with an

  1727.   external program which opens the .ffm url and writes it to another

  1728.   ffserver)

  1729. - added preliminary support for video stream parsing (WAV and AVI half

  1730.   done). Added proper support for audio/video file conversion in

  1731.   ffmpeg.

  1732. - added preliminary support for video file sending from ffserver

  1733. - redesigning I/O subsystem: now using URL based input and output

  1734.   (see avio.h)

  1735. - added WAV format support

  1736. - added "tty user interface" to ffmpeg to stop grabbing gracefully

  1737. - added MMX/SSE optimizations to SAD (Sums of Absolutes Differences)

  1738.   (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo at atmlab.utfsm.cl>)

  1739. - added MMX DCT from mpeg2_movie 1.5 (Juanjo)

  1740. - added new motion estimation algorithms, log and phods (Juanjo)

  1741. - changed directories: libav for format handling, libavcodec for

  1742.   codecs

  1743. 

  1744. 

  1745. version 0.3.4:

  1746. 

  1747. - added stereo in MPEG audio encoder

  1748. 

  1749. 

  1750. version 0.3.3:

  1751. 

  1752. - added 'high quality' mode which use motion vectors. It can be used in

  1753.   real time at low resolution.

  1754. - fixed rounding problems which caused quality problems at high

  1755.   bitrates and large GOP size

  1756. 

  1757. 

  1758. version 0.3.2: small fixes

  1759. 

  1760. - ASF fixes

  1761. - put_seek bug fix

  1762. 

  1763. 

  1764. version 0.3.1: added avi/divx support

  1765. 

  1766. - added AVI support

  1767. - added MPEG-4 codec compatible with OpenDivX. It is based on the H.263 codec

  1768. - added sound for flash format (not tested)

  1769. 

  1770. 

  1771. version 0.3: initial public release