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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. 

  8. 

  9. version 4.1:

  10. - deblock filter

  11. - tmix filter

  12. - amplify filter

  13. - fftdnoiz filter

  14. - aderivative and aintegral audio filters

  15. - pal75bars and pal100bars video filter sources

  16. - support mbedTLS based TLS

  17. - adeclick filter

  18. - adeclip filter

  19. - libtensorflow backend for DNN based filters like srcnn

  20. - vc1 decoder is now bit-exact

  21. - ATRAC9 decoder

  22. - lensfun wrapper filter

  23. - colorconstancy filter

  24. - AVS2 video decoder via libdavs2

  25. - IMM4 video decoder

  26. - Brooktree ProSumer video decoder

  27. - MatchWare Screen Capture Codec decoder

  28. - WinCam Motion Video decoder

  29. - 1D LUT filter (lut1d)

  30. - RemotelyAnywhere Screen Capture decoder

  31. - cue and acue filters

  32. - support for AV1 in MP4

  33. - transpose_npp filter

  34. - AVS2 video encoder via libxavs2

  35. - amultiply filter

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

  37. - acrossover filter

  38. - ilbc decoder

  39. - audio denoiser as afftdn filter

  40. - AV1 parser

  41. - SER demuxer

  42. - sinc audio filter source

  43. - chromahold filter

  44. - setparams filter

  45. - vibrance filter

  46. - decoding S12M timecode in h264

  47. - xstack filter

  48. - pcm vidc decoder and encoder

  49. - (a)graphmonitor filter

  50. - yadif_cuda filter

  51. 

  52. 

  53. version 4.0:

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

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

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

  57. - VDA dropped (use VideoToolbox instead)

  58. - MagicYUV encoder

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

  60. - TiVo ty/ty+ demuxer

  61. - Intel QSV-accelerated MJPEG encoding

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

  63. - native aptX and aptX HD encoder and decoder

  64. - Raw aptX and aptX HD muxer and demuxer

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

  66. - Intel QSV-accelerated overlay filter

  67. - mcompand audio filter

  68. - acontrast audio filter

  69. - OpenCL overlay filter

  70. - video mix filter

  71. - video normalize filter

  72. - audio lv2 wrapper filter

  73. - VAAPI MJPEG and VP8 decoding

  74. - AMD AMF H.264 and HEVC encoders

  75. - video fillborders filter

  76. - video setrange filter

  77. - nsp demuxer

  78. - support LibreSSL (via libtls)

  79. - AVX-512/ZMM support added

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

  81.   version is Windows Vista.

  82. - deconvolve video filter

  83. - entropy video filter

  84. - hilbert audio filter source

  85. - aiir audio filter

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

  87. - Removed the ffserver program

  88. - Removed the ffmenc and ffmdec muxer and demuxer

  89. - VideoToolbox HEVC encoder and hwaccel

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

  91. - Add android_camera indev

  92. - codec2 en/decoding via libcodec2

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

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

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

  96. - native SBC encoder and decoder

  97. - drmeter audio filter

  98. - hapqa_extract bitstream filter

  99. - filter_units bitstream filter

  100. - AV1 Support through libaom

  101. - E-AC-3 dependent frames support

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

  103. - Haivision SRT protocol via libsrt

  104. - segafilm muxer

  105. - vfrdet filter

  106. - SRCNN filter

  107. 

  108. 

  109. version 3.4:

  110. - deflicker video filter

  111. - doubleweave video filter

  112. - lumakey video filter

  113. - pixscope video filter

  114. - oscilloscope video filter

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

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

  117. - afir audio filter

  118. - scale_cuda CUDA based video scale filter

  119. - librsvg support for svg rasterization

  120. - crossfeed audio filter

  121. - spec compliant VP9 muxing support in MP4

  122. - remove the libnut muxer/demuxer wrappers

  123. - remove the libschroedinger encoder/decoder wrappers

  124. - surround audio filter

  125. - sofalizer filter switched to libmysofa

  126. - Gremlin Digital Video demuxer and decoder

  127. - headphone audio filter

  128. - superequalizer audio filter

  129. - roberts video filter

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

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

  132. - additional frame format support for Interplay MVE movies

  133. - support for decoding through D3D11VA in ffmpeg

  134. - limiter video filter

  135. - libvmaf video filter

  136. - Dolby E decoder and SMPTE 337M demuxer

  137. - unpremultiply video filter

  138. - tlut2 video filter

  139. - floodfill video filter

  140. - pseudocolor video filter

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

  142. - NewTek NDI input/output device

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

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

  145.   They must always be used by name.

  146. - FITS demuxer and decoder

  147. - FITS muxer and encoder

  148. - add --disable-autodetect build switch

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

  150. - despill video filter

  151. - haas audio filter

  152. - SUP/PGS subtitle muxer

  153. - convolve video filter

  154. - VP9 tile threading support

  155. - KMS screen grabber

  156. - CUDA thumbnail filter

  157. - V4L2 mem2mem HW assisted codecs

  158. - Rockchip MPP hardware decoding

  159. - vmafmotion video filter

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

  161. 

  162. 

  163. version 3.3:

  164. - CrystalHD decoder moved to new decode API

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

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

  167. - premultiply video filter

  168. - Support for spherical videos

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

  170. - PSD Decoder

  171. - 16.8 floating point pcm decoder

  172. - 24.0 floating point pcm decoder

  173. - Apple Pixlet decoder

  174. - QDMC audio decoder

  175. - NewTek SpeedHQ decoder

  176. - MIDI Sample Dump Standard demuxer

  177. - readeia608 filter

  178. - Sample Dump eXchange demuxer

  179. - abitscope multimedia filter

  180. - Scenarist Closed Captions demuxer and muxer

  181. - threshold filter

  182. - midequalizer filter

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

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

  185. - FM Screen Capture Codec decoder

  186. - native Opus encoder

  187. - ScreenPressor decoder

  188. - incomplete ClearVideo decoder

  189. - Intel QSV video scaling and deinterlacing filters

  190. - Support MOV with multiple sample description tables

  191. - XPM decoder

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

  193. - MPEG-7 Video Signature filter

  194. - Removed asyncts filter (use af_aresample instead)

  195. - Intel QSV-accelerated VP8 video decoding

  196. - VAAPI-accelerated deinterlacing

  197. 

  198. 

  199. version 3.2:

  200. - libopenmpt demuxer

  201. - tee protocol

  202. - Changed metadata print option to accept general urls

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

  204. - VP8 in Ogg muxing

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

  206. - 16-bit support in curves filter and selectivecolor filter

  207. - OpenH264 decoder wrapper

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

  209. - True Audio (TTA) muxer

  210. - crystalizer audio filter

  211. - acrusher audio filter

  212. - bitplanenoise video filter

  213. - floating point support in als decoder

  214. - fifo muxer

  215. - maskedclamp filter

  216. - hysteresis filter

  217. - lut2 filter

  218. - yuvtestsrc filter

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

  220. - vaguedenoiser filter

  221. - added threads option per filter instance

  222. - weave filter

  223. - gblur filter

  224. - avgblur filter

  225. - sobel and prewitt filter

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

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

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

  229. - sdl2 output device and ffplay support

  230. - sdl1 output device and sdl1 support removed

  231. - extended mov edit list support

  232. - libfaac encoder removed

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

  234. - sidedata video and asidedata audio filter

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

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

  237. 

  238. 

  239. version 3.1:

  240. - DXVA2-accelerated HEVC Main10 decoding

  241. - fieldhint filter

  242. - loop video filter and aloop audio filter

  243. - Bob Weaver deinterlacing filter

  244. - firequalizer filter

  245. - datascope filter

  246. - bench and abench filters

  247. - ciescope filter

  248. - protocol blacklisting API

  249. - MediaCodec H264 decoding

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

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

  252. - AudioToolbox audio decoders

  253. - AudioToolbox audio encoders

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

  255. - libdcadec removed

  256. - bitstream filter for extracting DTS core

  257. - ADPCM IMA DAT4 decoder

  258. - musx demuxer

  259. - aix demuxer

  260. - remap filter

  261. - hash and framehash muxers

  262. - colorspace filter

  263. - hdcd filter

  264. - readvitc filter

  265. - VAAPI-accelerated format conversion and scaling

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

  267. - Duck TrueMotion 2.0 Real Time decoder

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

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

  270. - DTS Express (LBR) decoder

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

  272. - IFF ANIM demuxer & decoder

  273. - Direct Stream Transfer (DST) decoder

  274. - loudnorm filter

  275. - MTAF demuxer and decoder

  276. - MagicYUV decoder

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

  278. - BitJazz SheerVideo decoder

  279. - CUDA CUVID H264/HEVC decoder

  280. - 10-bit depth support in native utvideo decoder

  281. - libutvideo wrapper removed

  282. - YUY2 Lossless Codec decoder

  283. - VideoToolbox H.264 encoder

  284. 

  285. 

  286. version 3.0:

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

  288. - DXV decoding

  289. - extrastereo filter

  290. - ocr filter

  291. - alimiter filter

  292. - stereowiden filter

  293. - stereotools filter

  294. - rubberband filter

  295. - tremolo filter

  296. - agate filter

  297. - chromakey filter

  298. - maskedmerge filter

  299. - Screenpresso SPV1 decoding

  300. - chromaprint fingerprinting muxer

  301. - ffplay dynamic volume control

  302. - displace filter

  303. - selectivecolor filter

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

  305. - ADPCM PSX decoder

  306. - 3dostr, dcstr, fsb, genh, vag, xvag, ads, msf, svag & vpk demuxer

  307. - zscale filter

  308. - wve demuxer

  309. - zero-copy Intel QSV transcoding in ffmpeg

  310. - shuffleframes filter

  311. - SDX2 DPCM decoder

  312. - vibrato filter

  313. - innoHeim/Rsupport Screen Capture Codec decoder

  314. - ADPCM AICA decoder

  315. - Interplay ACM demuxer and audio decoder

  316. - XMA1 & XMA2 decoder

  317. - realtime filter

  318. - anoisesrc audio filter source

  319. - IVR demuxer

  320. - compensationdelay filter

  321. - acompressor filter

  322. - support encoding 16-bit RLE SGI images

  323. - apulsator filter

  324. - sidechaingate audio filter

  325. - mipsdspr1 option has been renamed to mipsdsp

  326. - aemphasis filter

  327. - mips32r5 option has been removed

  328. - mips64r6 option has been removed

  329. - DXVA2-accelerated VP9 decoding

  330. - SOFAlizer: virtual binaural acoustics filter

  331. - VAAPI VP9 hwaccel

  332. - audio high-order multiband parametric equalizer

  333. - automatic bitstream filtering

  334. - showspectrumpic filter

  335. - libstagefright support removed

  336. - spectrumsynth filter

  337. - ahistogram filter

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

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

  340. - afftfilt filter

  341. - convolution filter

  342. - libquvi support removed

  343. - support for dvaudio in wav and avi

  344. - libaacplus and libvo-aacenc support removed

  345. - Cineform HD decoder

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

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

  348. - nnedi deinterlacer

  349. - streamselect video and astreamselect audio filter

  350. - swaprect filter

  351. - metadata video and ametadata audio filter

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

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

  354. 

  355. 

  356. version 2.8:

  357. - colorkey video filter

  358. - BFSTM/BCSTM demuxer

  359. - little-endian ADPCM_THP decoder

  360. - Hap decoder and encoder

  361. - DirectDraw Surface image/texture decoder

  362. - ssim filter

  363. - optional new ASF demuxer

  364. - showvolume filter

  365. - Many improvements to the JPEG 2000 decoder

  366. - Go2Meeting decoding support

  367. - adrawgraph audio and drawgraph video filter

  368. - removegrain video filter

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

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

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

  372. - libkvazaar HEVC encoder

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

  374. - Dynamic Audio Normalizer as dynaudnorm filter

  375. - Reverse video and areverse audio filter

  376. - Random filter

  377. - deband filter

  378. - AAC fixed-point decoding

  379. - sidechaincompress audio filter

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

  381. - acrossfade audio filter

  382. - allyuv and allrgb video sources

  383. - atadenoise video filter

  384. - OS X VideoToolbox support

  385. - aphasemeter filter

  386. - showfreqs filter

  387. - vectorscope filter

  388. - waveform filter

  389. - hstack and vstack filter

  390. - Support DNx100 (1440x1080@8)

  391. - VAAPI hevc hwaccel

  392. - VDPAU hevc hwaccel

  393. - framerate filter

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

  395. - Removed experimental flag from the JPEG 2000 encoder

  396. 

  397. 

  398. version 2.7:

  399. - FFT video filter

  400. - TDSC decoder

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

  402. - showwavespic filter

  403. - DTS decoding through libdcadec

  404. - Drop support for nvenc API before 5.0

  405. - nvenc HEVC encoder

  406. - Detelecine filter

  407. - Intel QSV-accelerated H.264 encoding

  408. - MMAL-accelerated H.264 decoding

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

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

  411. - WebM Live Chunk Muxer

  412. - nvenc level and tier options

  413. - chorus filter

  414. - Canopus HQ/HQA decoder

  415. - Automatically rotate videos based on metadata in ffmpeg

  416. - improved Quickdraw compatibility

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

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

  419. - Direct3D11-accelerated decoding

  420. - Support Secure Transport

  421. - Multipart JPEG demuxer

  422. 

  423. 

  424. version 2.6:

  425. - nvenc encoder

  426. - 10bit spp filter

  427. - colorlevels filter

  428. - RIFX format for *.wav files

  429. - RTP/mpegts muxer

  430. - non continuous cache protocol support

  431. - tblend filter

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

  433. - Camellia symmetric block cipher

  434. - OpenH264 encoder wrapper

  435. - VOC seeking support

  436. - Closed caption Decoder

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

  438. - showpalette filter

  439. - Twofish symmetric block cipher

  440. - Support DNx100 (960x720@8)

  441. - eq2 filter ported from libmpcodecs as eq filter

  442. - removed libmpcodecs

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

  444. - ported softpulldown filter from libmpcodecs as repeatfields filter

  445. - dcshift filter

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

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

  448. - palettegen and paletteuse filters

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

  450. - RTP depacketizer for DV (RFC 6469)

  451. - DXVA2-accelerated HEVC decoding

  452. - AAC ELD 480 decoding

  453. - Intel QSV-accelerated H.264 decoding

  454. - DSS SP decoder and DSS demuxer

  455. - Fix stsd atom corruption in DNxHD QuickTimes

  456. - Canopus HQX decoder

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

  458. - Port MIPS optimizations to 64-bit

  459. 

  460. 

  461. version 2.5:

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

  463. - SUP/PGS subtitle demuxer

  464. - ffprobe -show_pixel_formats option

  465. - CAST128 symmetric block cipher, ECB mode

  466. - STL subtitle demuxer and decoder

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

  468. - XCB-based screen-grabber

  469. - UDP-Lite support (RFC 3828)

  470. - xBR scaling filter

  471. - AVFoundation screen capturing support

  472. - ffserver supports codec private options

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

  474. - WebP muxer with animated WebP support

  475. - zygoaudio decoding support

  476. - APNG demuxer

  477. - postproc visualization support

  478. 

  479. 

  480. version 2.4:

  481. - Icecast protocol

  482. - ported lenscorrection filter from frei0r filter

  483. - large optimizations in dctdnoiz to make it usable

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

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

  486. - LZMA compression support in TIFF decoder

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

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

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

  490. - Matroska 3D support thorugh side data

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

  492. - silenceremove filter

  493. 

  494. 

  495. version 2.3:

  496. - AC3 fixed-point decoding

  497. - shuffleplanes filter

  498. - subfile protocol

  499. - Phantom Cine demuxer

  500. - replaygain data export

  501. - VP7 video decoder

  502. - Alias PIX image encoder and decoder

  503. - Improvements to the BRender PIX image decoder

  504. - Improvements to the XBM decoder

  505. - QTKit input device

  506. - improvements to OpenEXR image decoder

  507. - support decoding 16-bit RLE SGI images

  508. - GDI screen grabbing for Windows

  509. - alternative rendition support for HTTP Live Streaming

  510. - AVFoundation input device

  511. - Direct Stream Digital (DSD) decoder

  512. - Magic Lantern Video (MLV) demuxer

  513. - On2 AVC (Audio for Video) decoder

  514. - support for decoding through DXVA2 in ffmpeg

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

  516. - libx264 reference frames count limiting depending on level

  517. - native Opus decoder

  518. - display matrix export and rotation API

  519. - WebVTT encoder

  520. - showcqt multimedia filter

  521. - zoompan filter

  522. - signalstats filter

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

  524. - flanger filter

  525. - Image format auto-detection

  526. - LRC demuxer and muxer

  527. - Samba protocol (via libsmbclient)

  528. - WebM DASH Manifest muxer

  529. - libfribidi support in drawtext

  530. 

  531. 

  532. version 2.2:

  533. 

  534. - HNM version 4 demuxer and video decoder

  535. - Live HDS muxer

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

  537. - elbg filter

  538. - string validation in ffprobe

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

  540. - complete Voxware MetaSound decoder

  541. - remove mp3_header_compress bitstream filter

  542. - Windows resource files for shared libraries

  543. - aeval filter

  544. - stereoscopic 3d metadata handling

  545. - WebP encoding via libwebp

  546. - ATRAC3+ decoder

  547. - VP8 in Ogg demuxing

  548. - side & metadata support in NUT

  549. - framepack filter

  550. - XYZ12 rawvideo support in NUT

  551. - Exif metadata support in WebP decoder

  552. - OpenGL device

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

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

  555. - Mirillis FIC video decoder

  556. - Support DNx444

  557. - libx265 encoder

  558. - dejudder filter

  559. - Autodetect VDA like all other hardware accelerations

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

  561. 

  562. 

  563. version 2.1:

  564. 

  565. - aecho filter

  566. - perspective filter ported from libmpcodecs

  567. - ffprobe -show_programs option

  568. - compand filter

  569. - RTMP seek support

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

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

  572.   the -noaccurate_seek option.

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

  574.   data read from an input file

  575. - incomplete Voxware MetaSound decoder

  576. - read EXIF metadata from JPEG

  577. - DVB teletext decoder

  578. - phase filter ported from libmpcodecs

  579. - w3fdif filter

  580. - Opus support in Matroska

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

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

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

  584.   more consistent with other muxers.

  585. - adelay filter

  586. - pullup filter ported from libmpcodecs

  587. - ffprobe -read_intervals option

  588. - Lossless and alpha support for WebP decoder

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

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

  591. - mux chapters in ASF files

  592. - SFTP protocol (via libssh)

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

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

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

  596.   the skip_alpha flag.

  597. - ladspa wrapper filter

  598. - native VP9 decoder

  599. - dpx parser

  600. - max_error_rate parameter in ffmpeg

  601. - PulseAudio output device

  602. - ReplayGain scanner

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

  604. - Linux framebuffer output device

  605. - HEVC decoder

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

  607. - mergeplanes filter

  608. 

  609. 

  610. version 2.0:

  611. 

  612. - curves filter

  613. - reference-counting for AVFrame and AVPacket data

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

  615.   or vice versa

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

  617. - perms and aperms filters

  618. - audio filtering support in ffplay

  619. - 10% faster aac encoding on x86 and MIPS

  620. - sine audio filter source

  621. - WebP demuxing and decoding support

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

  623.   filtergraph description to be read from a file

  624. - OpenCL support

  625. - audio phaser filter

  626. - separatefields filter

  627. - libquvi demuxer

  628. - uniform options syntax across all filters

  629. - telecine filter

  630. - interlace filter

  631. - smptehdbars source

  632. - inverse telecine filters (fieldmatch and decimate)

  633. - colorbalance filter

  634. - colorchannelmixer filter

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

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

  637. - decent native animated GIF encoding

  638. - asetrate filter

  639. - interleave filter

  640. - timeline editing with filters

  641. - vidstabdetect and vidstabtransform filters for video stabilization using

  642.   the vid.stab library

  643. - astats filter

  644. - trim and atrim filters

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

  646.   transcoding audio

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

  648. - extractplanes filter

  649. - avectorscope filter

  650. - ADPCM DTK decoder

  651. - ADP demuxer

  652. - RSD demuxer

  653. - RedSpark demuxer

  654. - ADPCM IMA Radical decoder

  655. - zmq filters

  656. - DCT denoiser filter (dctdnoiz)

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

  658. - Apple Intermediate Codec decoder

  659. - Escape 130 video decoder

  660. - FTP protocol support

  661. - V4L2 output device

  662. - 3D LUT filter (lut3d)

  663. - SMPTE 302M audio encoder

  664. - support for slice multithreading in libavfilter

  665. - Hald CLUT support (generation and filtering)

  666. - VC-1 interlaced B-frame support

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

  668. - XVideo output device

  669. - vignette filter

  670. - True Audio (TTA) encoder

  671. - Go2Webinar decoder

  672. - mcdeint filter ported from libmpcodecs

  673. - sab filter ported from libmpcodecs

  674. - ffprobe -show_chapters option

  675. - WavPack encoding through libwavpack

  676. - rotate filter

  677. - spp filter ported from libmpcodecs

  678. - libgme support

  679. - psnr filter

  680. 

  681. 

  682. version 1.2:

  683. 

  684. - VDPAU hardware acceleration through normal hwaccel

  685. - SRTP support

  686. - Error diffusion dither in Swscale

  687. - Chained Ogg support

  688. - Theora Midstream reconfiguration support

  689. - EVRC decoder

  690. - audio fade filter

  691. - filtering audio with unknown channel layout

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

  693.   and treble audio filter

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

  695. - histogram filter

  696. - tee muxer

  697. - il filter ported from libmpcodecs

  698. - support ID3v2 tags in ASF files

  699. - encrypted TTA stream decoding support

  700. - RF64 support in WAV muxer

  701. - noise filter ported from libmpcodecs

  702. - Subtitles character encoding conversion

  703. - blend filter

  704. - stereo3d filter ported from libmpcodecs

  705. 

  706. 

  707. version 1.1:

  708. 

  709. - stream disposition information printing in ffprobe

  710. - filter for loudness analysis following EBU R128

  711. - Opus encoder using libopus

  712. - ffprobe -select_streams option

  713. - Pinnacle TARGA CineWave YUV16 decoder

  714. - TAK demuxer, decoder and parser

  715. - DTS-HD demuxer

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

  717. - FFM2 support

  718. - X-Face image encoder and decoder

  719. - 24-bit FLAC encoding

  720. - multi-channel ALAC encoding up to 7.1

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

  722. - subtitles raw text decoder

  723. - support for building DLLs using MSVC

  724. - LVF demuxer

  725. - ffescape tool

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

  727. - field filter ported from libmpcodecs

  728. - AVR demuxer

  729. - geq filter ported from libmpcodecs

  730. - remove ffserver daemon mode

  731. - AST muxer/demuxer

  732. - new expansion syntax for drawtext

  733. - BRender PIX image decoder

  734. - ffprobe -show_entries option

  735. - ffprobe -sections option

  736. - ADPCM IMA Dialogic decoder

  737. - BRSTM demuxer

  738. - animated GIF decoder and demuxer

  739. - PVF demuxer

  740. - subtitles filter

  741. - IRCAM muxer/demuxer

  742. - Paris Audio File demuxer

  743. - Virtual concatenation demuxer

  744. - VobSub demuxer

  745. - JSON captions for TED talks decoding support

  746. - SOX Resampler support in libswresample

  747. - aselect filter

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

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

  750. - Silicon Graphics Movie demuxer

  751. - apad filter

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

  753. - documentation split into per-component manuals

  754. - pp (postproc) filter ported from MPlayer

  755. - NIST Sphere demuxer

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

  757. - Sony Wave64 muxer

  758. - adobe and limelight publisher authentication in RTMP

  759. - data: URI scheme

  760. - support building on the Plan 9 operating system

  761. - kerndeint filter ported from MPlayer

  762. - histeq filter ported from VirtualDub

  763. - Megalux Frame demuxer

  764. - 012v decoder

  765. - Improved AVC Intra decoding support

  766. 

  767. 

  768. version 1.0:

  769. 

  770. - INI and flat output in ffprobe

  771. - Scene detection in libavfilter

  772. - Indeo Audio decoder

  773. - channelsplit audio filter

  774. - setnsamples audio filter

  775. - atempo filter

  776. - ffprobe -show_data option

  777. - RTMPT protocol support

  778. - iLBC encoding/decoding via libilbc

  779. - Microsoft Screen 1 decoder

  780. - join audio filter

  781. - audio channel mapping filter

  782. - Microsoft ATC Screen decoder

  783. - RTSP listen mode

  784. - TechSmith Screen Codec 2 decoder

  785. - AAC encoding via libfdk-aac

  786. - Microsoft Expression Encoder Screen decoder

  787. - RTMPS protocol support

  788. - RTMPTS protocol support

  789. - RTMPE protocol support

  790. - RTMPTE protocol support

  791. - showwaves and showspectrum filter

  792. - LucasArts SMUSH SANM playback support

  793. - LucasArts SMUSH VIMA audio decoder (ADPCM)

  794. - LucasArts SMUSH demuxer

  795. - SAMI, RealText and SubViewer demuxers and decoders

  796. - Heart Of Darkness PAF playback support

  797. - iec61883 device

  798. - asettb filter

  799. - new option: -progress

  800. - 3GPP Timed Text encoder/decoder

  801. - GeoTIFF decoder support

  802. - ffmpeg -(no)stdin option

  803. - Opus decoder using libopus

  804. - caca output device using libcaca

  805. - alphaextract and alphamerge filters

  806. - concat filter

  807. - flite filter

  808. - Canopus Lossless Codec decoder

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

  810. - MP2 encoding via TwoLAME

  811. - bmp parser

  812. - smptebars source

  813. - asetpts filter

  814. - hue filter

  815. - ICO muxer

  816. - SubRip encoder and decoder without embedded timing

  817. - edge detection filter

  818. - framestep filter

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

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

  821. - volume measurement filter

  822. - Ut Video encoder

  823. - Microsoft Screen 2 decoder

  824. - smartblur filter ported from MPlayer

  825. - CPiA decoder

  826. - decimate filter ported from MPlayer

  827. - RTP depacketization of JPEG

  828. - Smooth Streaming live segmenter muxer

  829. - F4V muxer

  830. - sendcmd and asendcmd filters

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

  832. - RTP packetization of JPEG

  833. - faststart option in the MOV/MP4 muxer

  834. - support for building with MSVC

  835. 

  836. 

  837. version 0.11:

  838. 

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

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

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

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

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

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

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

  846. - setfield filter

  847. - CDXL demuxer and decoder

  848. - Apple ProRes encoder

  849. - ffprobe -count_packets and -count_frames options

  850. - Sun Rasterfile Encoder

  851. - ID3v2 attached pictures reading and writing

  852. - WMA Lossless decoder

  853. - bluray protocol

  854. - blackdetect filter

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

  856. - swapuv filter

  857. - bbox filter

  858. - XBM encoder and decoder

  859. - RealAudio Lossless decoder

  860. - ZeroCodec decoder

  861. - tile video filter

  862. - Metal Gear Solid: The Twin Snakes demuxer

  863. - OpenEXR image decoder

  864. - removelogo filter

  865. - drop support for ffmpeg without libavfilter

  866. - drawtext video filter: fontconfig support

  867. - ffmpeg -benchmark_all option

  868. - super2xsai filter ported from libmpcodecs

  869. - add libavresample audio conversion library for compatibility

  870. - MicroDVD decoder

  871. - Avid Meridien (AVUI) encoder and decoder

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

  873. - complete audio filtering in libavfilter and ffmpeg

  874. - add fps filter

  875. - vorbis parser

  876. - png parser

  877. - audio mix filter

  878. - ffv1: support (draft) version 1.3

  879. 

  880. 

  881. version 0.10:

  882. 

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

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

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

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

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

  888. - SBaGen (SBG) binaural beats script demuxer

  889. - OpenMG Audio muxer

  890. - Timecode extraction in DV and MOV

  891. - thumbnail video filter

  892. - XML output in ffprobe

  893. - asplit audio filter

  894. - tinterlace video filter

  895. - astreamsync audio filter

  896. - amerge audio filter

  897. - ISMV (Smooth Streaming) muxer

  898. - GSM audio parser

  899. - SMJPEG muxer

  900. - XWD encoder and decoder

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

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

  903. - ffprobe -show_error option

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

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

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

  907. - ffprobe -show_frames option

  908. - silencedetect audio filter

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

  910. - rv34: frame-level multi-threading

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

  912. - Improved PGS subtitle decoder

  913. - dumpgraph option to lavfi device

  914. - r210 and r10k encoders

  915. - ffwavesynth decoder

  916. - aviocat tool

  917. - ffeval tool

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

  919. 

  920. 

  921. version 0.9:

  922. 

  923. - openal input device added

  924. - boxblur filter added

  925. - BWF muxer

  926. - Flash Screen Video 2 decoder

  927. - lavfi input device added

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

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

  930. easier to use. The changes are:

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

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

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

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

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

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

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

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

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

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

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

  942.       specifiers section in the avconv manual for details.

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

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

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

  946.       apply to the next input or output file.

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

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

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

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

  951.       each stream in the first input file.

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

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

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

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

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

  957.           output stream from the third input audio stream.

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

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

  960.           subtitle streams in the first input file.

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

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

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

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

  965.           stream'.

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

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

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

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

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

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

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

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

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

  975.       syntax is deprecated and will stop working soon.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  991.       scale parameter.

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

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

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

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

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

  997. - XMV demuxer

  998. - LOAS demuxer

  999. - ashowinfo filter added

  1000. - Windows Media Image decoder

  1001. - amovie source added

  1002. - LATM muxer/demuxer

  1003. - Speex encoder via libspeex

  1004. - JSON output in ffprobe

  1005. - WTV muxer

  1006. - Optional C++ Support (needed for libstagefright)

  1007. - H.264 Decoding on Android via Stagefright

  1008. - Prores decoder

  1009. - BIN/XBIN/ADF/IDF text file decoder

  1010. - aconvert audio filter added

  1011. - audio support to lavfi input device added

  1012. - libcdio-paranoia input device for audio CD grabbing

  1013. - Apple ProRes decoder

  1014. - CELT in Ogg demuxing

  1015. - G.723.1 demuxer and decoder

  1016. - libmodplug support (--enable-libmodplug)

  1017. - VC-1 interlaced decoding

  1018. - libutvideo wrapper (--enable-libutvideo)

  1019. - aevalsrc audio source added

  1020. - Ut Video decoder

  1021. - Speex encoding via libspeex

  1022. - 4:2:2 H.264 decoding support

  1023. - 4:2:2 and 4:4:4 H.264 encoding with libx264

  1024. - Pulseaudio input device

  1025. - Prores encoder

  1026. - Video Decoder Acceleration (VDA) HWAccel module.

  1027. - replacement Indeo 3 decoder

  1028. - new ffmpeg option: -map_channel

  1029. - volume audio filter added

  1030. - earwax audio filter added

  1031. - libv4l2 support (--enable-libv4l2)

  1032. - TLS/SSL and HTTPS protocol support

  1033. - AVOptions API rewritten and documented

  1034. - most of CODEC_FLAG2_*, some CODEC_FLAG_* and many codec-specific fields in

  1035.   AVCodecContext deprecated. Codec private options should be used instead.

  1036. - Properly working defaults in libx264 wrapper, support for native presets.

  1037. - Encrypted OMA files support

  1038. - Discworld II BMV decoding support

  1039. - VBLE Decoder

  1040. - OS X Video Decoder Acceleration (VDA) support

  1041. - compact and csv output in ffprobe

  1042. - pan audio filter

  1043. - IFF Amiga Continuous Bitmap (ACBM) decoder

  1044. - ass filter

  1045. - CRI ADX audio format muxer and demuxer

  1046. - Playstation Portable PMP format demuxer

  1047. - Microsoft Windows ICO demuxer

  1048. - life source

  1049. - PCM format support in OMA demuxer

  1050. - CLJR encoder

  1051. - new option: -report

  1052. - Dxtory capture format decoder

  1053. - cellauto source

  1054. - Simple segmenting muxer

  1055. - Indeo 4 decoder

  1056. - SMJPEG demuxer

  1057. 

  1058. 

  1059. version 0.8:

  1060. 

  1061. - many many things we forgot because we rather write code than changelogs

  1062. - WebM support in Matroska de/muxer

  1063. - low overhead Ogg muxing

  1064. - MMS-TCP support

  1065. - VP8 de/encoding via libvpx

  1066. - Demuxer for On2's IVF format

  1067. - Pictor/PC Paint decoder

  1068. - HE-AAC v2 decoder

  1069. - HE-AAC v2 encoding with libaacplus

  1070. - libfaad2 wrapper removed

  1071. - DTS-ES extension (XCh) decoding support

  1072. - native VP8 decoder

  1073. - RTSP tunneling over HTTP

  1074. - RTP depacketization of SVQ3

  1075. - -strict inofficial replaced by -strict unofficial

  1076. - ffplay -exitonkeydown and -exitonmousedown options added

  1077. - native GSM / GSM MS decoder

  1078. - RTP depacketization of QDM2

  1079. - ANSI/ASCII art playback system

  1080. - Lego Mindstorms RSO de/muxer

  1081. - libavcore added (and subsequently removed)

  1082. - SubRip subtitle file muxer and demuxer

  1083. - Chinese AVS encoding via libxavs

  1084. - ffprobe -show_packets option added

  1085. - RTP packetization of Theora and Vorbis

  1086. - RTP depacketization of MP4A-LATM

  1087. - RTP packetization and depacketization of VP8

  1088. - hflip filter

  1089. - Apple HTTP Live Streaming demuxer

  1090. - a64 codec

  1091. - MMS-HTTP support

  1092. - G.722 ADPCM audio encoder/decoder

  1093. - R10k video decoder

  1094. - ocv_smooth filter

  1095. - frei0r wrapper filter

  1096. - change crop filter syntax to width:height:x:y

  1097. - make the crop filter accept parametric expressions

  1098. - make ffprobe accept AVFormatContext options

  1099. - yadif filter

  1100. - blackframe filter

  1101. - Demuxer for Leitch/Harris' VR native stream format (LXF)

  1102. - RTP depacketization of the X-QT QuickTime format

  1103. - SAP (Session Announcement Protocol, RFC 2974) muxer and demuxer

  1104. - cropdetect filter

  1105. - ffmpeg -crop* options removed

  1106. - transpose filter added

  1107. - ffmpeg -force_key_frames option added

  1108. - demuxer for receiving raw rtp:// URLs without an SDP description

  1109. - single stream LATM/LOAS decoder

  1110. - setpts filter added

  1111. - Win64 support for optimized x86 assembly functions

  1112. - MJPEG/AVI1 to JPEG/JFIF bitstream filter

  1113. - ASS subtitle encoder and decoder

  1114. - IEC 61937 encapsulation for E-AC-3, TrueHD, DTS-HD (for HDMI passthrough)

  1115. - overlay filter added

  1116. - rename aspect filter to setdar, and pixelaspect to setsar

  1117. - IEC 61937 demuxer

  1118. - Mobotix .mxg demuxer

  1119. - frei0r source added

  1120. - hqdn3d filter added

  1121. - RTP depacketization of QCELP

  1122. - FLAC parser added

  1123. - gradfun filter added

  1124. - AMR-WB decoder

  1125. - replace the ocv_smooth filter with a more generic ocv filter

  1126. - Windows Televison (WTV) demuxer

  1127. - FFmpeg metadata format muxer and demuxer

  1128. - SubRip (srt) subtitle encoder and decoder

  1129. - floating-point AC-3 encoder added

  1130. - Lagarith decoder

  1131. - ffmpeg -copytb option added

  1132. - IVF muxer added

  1133. - Wing Commander IV movies decoder added

  1134. - movie source added

  1135. - Bink version 'b' audio and video decoder

  1136. - Bitmap Brothers JV playback system

  1137. - Apple HTTP Live Streaming protocol handler

  1138. - sndio support for playback and record

  1139. - Linux framebuffer input device added

  1140. - Chronomaster DFA decoder

  1141. - DPX image encoder

  1142. - MicroDVD subtitle file muxer and demuxer

  1143. - Playstation Portable PMP format demuxer

  1144. - fieldorder video filter added

  1145. - AAC encoding via libvo-aacenc

  1146. - AMR-WB encoding via libvo-amrwbenc

  1147. - xWMA demuxer

  1148. - Mobotix MxPEG decoder

  1149. - VP8 frame-multithreading

  1150. - NEON optimizations for VP8

  1151. - Lots of deprecated API cruft removed

  1152. - fft and imdct optimizations for AVX (Sandy Bridge) processors

  1153. - showinfo filter added

  1154. - SMPTE 302M AES3 audio decoder

  1155. - Apple Core Audio Format muxer

  1156. - 9 bits and 10 bits per sample support in the H.264 decoder

  1157. - 9 bits and 10 bits FFV1 encoding / decoding

  1158. - split filter added

  1159. - select filter added

  1160. - sdl output device added

  1161. - libmpcodecs video filter support (3 times as many filters than before)

  1162. - mpeg2 aspect ratio dection fixed

  1163. - libxvid aspect pickiness fixed

  1164. - Frame multithreaded decoding

  1165. - E-AC-3 audio encoder

  1166. - ac3enc: add channel coupling support

  1167. - floating-point sample format support to the ac3, eac3, dca, aac, and vorbis decoders.

  1168. - H264/MPEG frame-level multi-threading

  1169. - All av_metadata_* functions renamed to av_dict_* and moved to libavutil

  1170. - 4:4:4 H.264 decoding support

  1171. - 10-bit H.264 optimizations for x86

  1172. - lut, lutrgb, and lutyuv filters added

  1173. - buffersink libavfilter sink added

  1174. - Bump libswscale for recently reported ABI break

  1175. - New J2K encoder (via OpenJPEG)

  1176. 

  1177. 

  1178. version 0.7:

  1179. 

  1180. - all the changes for 0.8, but keeping API/ABI compatibility with the 0.6 release

  1181. 

  1182. 

  1183. version 0.6:

  1184. 

  1185. - PB-frame decoding for H.263

  1186. - deprecated vhook subsystem removed

  1187. - deprecated old scaler removed

  1188. - VQF demuxer

  1189. - Alpha channel scaler

  1190. - PCX encoder

  1191. - RTP packetization of H.263

  1192. - RTP packetization of AMR

  1193. - RTP depacketization of Vorbis

  1194. - CorePNG decoding support

  1195. - Cook multichannel decoding support

  1196. - introduced avlanguage helpers in libavformat

  1197. - 8088flex TMV demuxer and decoder

  1198. - per-stream language-tags extraction in asfdec

  1199. - V210 decoder and encoder

  1200. - remaining GPL parts in AC-3 decoder converted to LGPL

  1201. - QCP demuxer

  1202. - SoX native format muxer and demuxer

  1203. - AMR-NB decoding/encoding, AMR-WB decoding via OpenCORE libraries

  1204. - DPX image decoder

  1205. - Electronic Arts Madcow decoder

  1206. - DivX (XSUB) subtitle encoder

  1207. - nonfree libamr support for AMR-NB/WB decoding/encoding removed

  1208. - experimental AAC encoder

  1209. - RTP depacketization of ASF and RTSP from WMS servers

  1210. - RTMP support in libavformat

  1211. - noX handling for OPT_BOOL X options

  1212. - Wave64 demuxer

  1213. - IEC-61937 compatible Muxer

  1214. - TwinVQ decoder

  1215. - Bluray (PGS) subtitle decoder

  1216. - LPCM support in MPEG-TS (HDMV RID as found on Blu-ray disks)

  1217. - WMA Pro decoder

  1218. - Core Audio Format demuxer

  1219. - ATRAC1 decoder

  1220. - MD STUDIO audio demuxer

  1221. - RF64 support in WAV demuxer

  1222. - MPEG-4 Audio Lossless Coding (ALS) decoder

  1223. - -formats option split into -formats, -codecs, -bsfs, and -protocols

  1224. - IV8 demuxer

  1225. - CDG demuxer and decoder

  1226. - R210 decoder

  1227. - Auravision Aura 1 and 2 decoders

  1228. - Deluxe Paint Animation playback system

  1229. - SIPR decoder

  1230. - Adobe Filmstrip muxer and demuxer

  1231. - RTP depacketization of H.263

  1232. - Bink demuxer and audio/video decoders

  1233. - enable symbol versioning by default for linkers that support it

  1234. - IFF PBM/ILBM bitmap decoder

  1235. - concat protocol

  1236. - Indeo 5 decoder

  1237. - RTP depacketization of AMR

  1238. - WMA Voice decoder

  1239. - ffprobe tool

  1240. - AMR-NB decoder

  1241. - RTSP muxer

  1242. - HE-AAC v1 decoder

  1243. - Kega Game Video (KGV1) decoder

  1244. - VorbisComment writing for FLAC, Ogg FLAC and Ogg Speex files

  1245. - RTP depacketization of Theora

  1246. - HTTP Digest authentication

  1247. - RTMP/RTMPT/RTMPS/RTMPE/RTMPTE protocol support via librtmp

  1248. - Psygnosis YOP demuxer and video decoder

  1249. - spectral extension support in the E-AC-3 decoder

  1250. - unsharp video filter

  1251. - RTP hinting in the mov/3gp/mp4 muxer

  1252. - Dirac in Ogg demuxing

  1253. - seek to keyframes in Ogg

  1254. - 4:2:2 and 4:4:4 Theora decoding

  1255. - 35% faster VP3/Theora decoding

  1256. - faster AAC decoding

  1257. - faster H.264 decoding

  1258. - RealAudio 1.0 (14.4K) encoder

  1259. 

  1260. 

  1261. version 0.5:

  1262. 

  1263. - DV50 AKA DVCPRO50 encoder, decoder, muxer and demuxer

  1264. - TechSmith Camtasia (TSCC) video decoder

  1265. - IBM Ultimotion (ULTI) video decoder

  1266. - Sierra Online audio file demuxer and decoder

  1267. - Apple QuickDraw (qdrw) video decoder

  1268. - Creative ADPCM audio decoder (16 bits as well as 8 bits schemes)

  1269. - Electronic Arts Multimedia (WVE/UV2/etc.) file demuxer

  1270. - Miro VideoXL (VIXL) video decoder

  1271. - H.261 video encoder

  1272. - QPEG video decoder

  1273. - Nullsoft Video (NSV) file demuxer

  1274. - Shorten audio decoder

  1275. - LOCO video decoder

  1276. - Apple Lossless Audio Codec (ALAC) decoder

  1277. - Winnov WNV1 video decoder

  1278. - Autodesk Animator Studio Codec (AASC) decoder

  1279. - Indeo 2 video decoder

  1280. - Fraps FPS1 video decoder

  1281. - Snow video encoder/decoder

  1282. - Sonic audio encoder/decoder

  1283. - Vorbis audio decoder

  1284. - Macromedia ADPCM decoder

  1285. - Duck TrueMotion 2 video decoder

  1286. - support for decoding FLX and DTA extensions in FLIC files

  1287. - H.264 custom quantization matrices support

  1288. - ffserver fixed, it should now be usable again

  1289. - QDM2 audio decoder

  1290. - Real Cooker audio decoder

  1291. - TrueSpeech audio decoder

  1292. - WMA2 audio decoder fixed, now all files should play correctly

  1293. - RealAudio 14.4 and 28.8 decoders fixed

  1294. - JPEG-LS decoder

  1295. - build system improvements

  1296. - tabs and trailing whitespace removed from the codebase

  1297. - CamStudio video decoder

  1298. - AIFF/AIFF-C audio format, encoding and decoding

  1299. - ADTS AAC file reading and writing

  1300. - Creative VOC file reading and writing

  1301. - American Laser Games multimedia (*.mm) playback system

  1302. - Zip Motion Blocks Video decoder

  1303. - improved Theora/VP3 decoder

  1304. - True Audio (TTA) decoder

  1305. - AVS demuxer and video decoder

  1306. - JPEG-LS encoder

  1307. - Smacker demuxer and decoder

  1308. - NuppelVideo/MythTV demuxer and RTjpeg decoder

  1309. - KMVC decoder

  1310. - MPEG-2 intra VLC support

  1311. - MPEG-2 4:2:2 encoder

  1312. - Flash Screen Video decoder

  1313. - GXF demuxer

  1314. - Chinese AVS decoder

  1315. - GXF muxer

  1316. - MXF demuxer

  1317. - VC-1/WMV3/WMV9 video decoder

  1318. - MacIntel support

  1319. - AviSynth support

  1320. - VMware video decoder

  1321. - VP5 video decoder

  1322. - VP6 video decoder

  1323. - WavPack lossless audio decoder

  1324. - Targa (.TGA) picture decoder

  1325. - Vorbis audio encoder

  1326. - Delphine Software .cin demuxer/audio and video decoder

  1327. - Tiertex .seq demuxer/video decoder

  1328. - MTV demuxer

  1329. - TIFF picture encoder and decoder

  1330. - GIF picture decoder

  1331. - Intel Music Coder decoder

  1332. - Zip Motion Blocks Video encoder

  1333. - Musepack decoder

  1334. - Flash Screen Video encoder

  1335. - Theora encoding via libtheora

  1336. - BMP encoder

  1337. - WMA encoder

  1338. - GSM-MS encoder and decoder

  1339. - DCA decoder

  1340. - DXA demuxer and decoder

  1341. - DNxHD decoder

  1342. - Gamecube movie (.THP) playback system

  1343. - Blackfin optimizations

  1344. - Interplay C93 demuxer and video decoder

  1345. - Bethsoft VID demuxer and video decoder

  1346. - CRYO APC demuxer

  1347. - ATRAC3 decoder

  1348. - V.Flash PTX decoder

  1349. - RoQ muxer, RoQ audio encoder

  1350. - Renderware TXD demuxer and decoder

  1351. - extern C declarations for C++ removed from headers

  1352. - sws_flags command line option

  1353. - codebook generator

  1354. - RoQ video encoder

  1355. - QTRLE encoder

  1356. - OS/2 support removed and restored again

  1357. - AC-3 decoder

  1358. - NUT muxer

  1359. - additional SPARC (VIS) optimizations

  1360. - Matroska muxer

  1361. - slice-based parallel H.264 decoding

  1362. - Monkey's Audio demuxer and decoder

  1363. - AMV audio and video decoder

  1364. - DNxHD encoder

  1365. - H.264 PAFF decoding

  1366. - Nellymoser ASAO decoder

  1367. - Beam Software SIFF demuxer and decoder

  1368. - libvorbis Vorbis decoding removed in favor of native decoder

  1369. - IntraX8 (J-Frame) subdecoder for WMV2 and VC-1

  1370. - Ogg (Theora, Vorbis and FLAC) muxer

  1371. - The "device" muxers and demuxers are now in a new libavdevice library

  1372. - PC Paintbrush PCX decoder

  1373. - Sun Rasterfile decoder

  1374. - TechnoTrend PVA demuxer

  1375. - Linux Media Labs MPEG-4 (LMLM4) demuxer

  1376. - AVM2 (Flash 9) SWF muxer

  1377. - QT variant of IMA ADPCM encoder

  1378. - VFW grabber

  1379. - iPod/iPhone compatible mp4 muxer

  1380. - Mimic decoder

  1381. - MSN TCP Webcam stream demuxer

  1382. - RL2 demuxer / decoder

  1383. - IFF demuxer

  1384. - 8SVX audio decoder

  1385. - non-recursive Makefiles

  1386. - BFI demuxer

  1387. - MAXIS EA XA (.xa) demuxer / decoder

  1388. - BFI video decoder

  1389. - OMA demuxer

  1390. - MLP/TrueHD decoder

  1391. - Electronic Arts CMV decoder

  1392. - Motion Pixels Video decoder

  1393. - Motion Pixels MVI demuxer

  1394. - removed animated GIF decoder/demuxer

  1395. - D-Cinema audio muxer

  1396. - Electronic Arts TGV decoder

  1397. - Apple Lossless Audio Codec (ALAC) encoder

  1398. - AAC decoder

  1399. - floating point PCM encoder/decoder

  1400. - MXF muxer

  1401. - DV100 AKA DVCPRO HD decoder and demuxer

  1402. - E-AC-3 support added to AC-3 decoder

  1403. - Nellymoser ASAO encoder

  1404. - ASS and SSA demuxer and muxer

  1405. - liba52 wrapper removed

  1406. - SVQ3 watermark decoding support

  1407. - Speex decoding via libspeex

  1408. - Electronic Arts TGQ decoder

  1409. - RV40 decoder

  1410. - QCELP / PureVoice decoder

  1411. - RV30 decoder

  1412. - hybrid WavPack support

  1413. - R3D REDCODE demuxer

  1414. - ALSA support for playback and record

  1415. - Electronic Arts TQI decoder

  1416. - OpenJPEG based JPEG 2000 decoder

  1417. - NC (NC4600) camera file demuxer

  1418. - Gopher client support

  1419. - MXF D-10 muxer

  1420. - generic metadata API

  1421. - flash ScreenVideo2 encoder

  1422. 

  1423. 

  1424. version 0.4.9-pre1:

  1425. 

  1426. - DV encoder, DV muxer

  1427. - Microsoft RLE video decoder

  1428. - Microsoft Video-1 decoder

  1429. - Apple Animation (RLE) decoder

  1430. - Apple Graphics (SMC) decoder

  1431. - Apple Video (RPZA) decoder

  1432. - Cinepak decoder

  1433. - Sega FILM (CPK) file demuxer

  1434. - Westwood multimedia support (VQA & AUD files)

  1435. - Id Quake II CIN playback support

  1436. - 8BPS video decoder

  1437. - FLIC playback support

  1438. - RealVideo 2.0 (RV20) decoder

  1439. - Duck TrueMotion v1 (DUCK) video decoder

  1440. - Sierra VMD demuxer and video decoder

  1441. - MSZH and ZLIB decoder support

  1442. - SVQ1 video encoder

  1443. - AMR-WB support

  1444. - PPC optimizations

  1445. - rate distortion optimal cbp support

  1446. - rate distorted optimal ac prediction for MPEG-4

  1447. - rate distorted optimal lambda->qp support

  1448. - AAC encoding with libfaac

  1449. - Sunplus JPEG codec (SP5X) support

  1450. - use Lagrange multiplier instead of QP for ratecontrol

  1451. - Theora/VP3 decoding support

  1452. - XA and ADX ADPCM codecs

  1453. - export MPEG-2 active display area / pan scan

  1454. - Add support for configuring with IBM XLC

  1455. - floating point AAN DCT

  1456. - initial support for zygo video (not complete)

  1457. - RGB ffv1 support

  1458. - new audio/video parser API

  1459. - av_log() system

  1460. - av_read_frame() and av_seek_frame() support

  1461. - missing last frame fixes

  1462. - seek by mouse in ffplay

  1463. - noise reduction of DCT coefficients

  1464. - H.263 OBMC & 4MV support

  1465. - H.263 alternative inter vlc support

  1466. - H.263 loop filter

  1467. - H.263 slice structured mode

  1468. - interlaced DCT support for MPEG-2 encoding

  1469. - stuffing to stay above min_bitrate

  1470. - MB type & QP visualization

  1471. - frame stepping for ffplay

  1472. - interlaced motion estimation

  1473. - alternate scantable support

  1474. - SVCD scan offset support

  1475. - closed GOP support

  1476. - SSE2 FDCT

  1477. - quantizer noise shaping

  1478. - G.726 ADPCM audio codec

  1479. - MS ADPCM encoding

  1480. - multithreaded/SMP motion estimation

  1481. - multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263

  1482. - multithreaded/SMP decoding for MPEG-2

  1483. - FLAC decoder

  1484. - Metrowerks CodeWarrior suppport

  1485. - H.263+ custom pcf support

  1486. - nicer output for 'ffmpeg -formats'

  1487. - Matroska demuxer

  1488. - SGI image format, encoding and decoding

  1489. - H.264 loop filter support

  1490. - H.264 CABAC support

  1491. - nicer looking arrows for the motion vector visualization

  1492. - improved VCD support

  1493. - audio timestamp drift compensation

  1494. - MPEG-2 YUV 422/444 support

  1495. - polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample

  1496. - better image scaling

  1497. - H.261 support

  1498. - correctly interleave packets during encoding

  1499. - VIS optimized motion compensation

  1500. - intra_dc_precision>0 encoding support

  1501. - support reuse of motion vectors/MB types/field select values of the source video

  1502. - more accurate deblock filter

  1503. - padding support

  1504. - many optimizations and bugfixes

  1505. - FunCom ISS audio file demuxer and according ADPCM decoding

  1506. 

  1507. 

  1508. version 0.4.8:

  1509. 

  1510. - MPEG-2 video encoding (Michael)

  1511. - Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)

  1512. - Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson

  1513.   and Mario Brito)

  1514. - Xan DPCM audio decoder (Mario Brito)

  1515. - Interplay MVE playback subsystem (Mike Melanson)

  1516. - Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)

  1517. 

  1518. 

  1519. version 0.4.7:

  1520. 

  1521. - RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from mplayerhq

  1522.   (originally from public domain player for Amiga at http://www.honeypot.net/audio)

  1523. - current version now also compiles with older GCC (Fabrice)

  1524. - 4X multimedia playback system including 4xm file demuxer (Mike

  1525.   Melanson), and 4X video and audio codecs (Michael)

  1526. - Creative YUV (CYUV) decoder (Mike Melanson)

  1527. - FFV1 codec (our very simple lossless intra only codec, compresses much better

  1528.   than HuffYUV) (Michael)

  1529. - ASV1 (Asus), H.264, Intel indeo3 codecs have been added (various)

  1530. - tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with

  1531.   alpha support), JPEG YUV colorspace support. (Fabrice Bellard)

  1532. - ffplay has been replaced with a newer version which uses SDL (optionally)

  1533.   for multiplatform support (Fabrice)

  1534. - Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated

  1535.   by anonymous

  1536. - AMR format has been added (Johannes Carlsson)

  1537. - 3GP support has been added (Johannes Carlsson)

  1538. - VP3 codec has been added (Mike Melanson)

  1539. - more MPEG-1/2 fixes

  1540. - better multiplatform support, MS Visual Studio fixes (various)

  1541. - AltiVec optimizations (Magnus Damn and others)

  1542. - SH4 processor support has been added (BERO)

  1543. - new public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)

  1544. - VOB streaming support (Brian Foley)

  1545. - better MP3 autodetection (Andriy Rysin)

  1546. - qpel encoding (Michael)

  1547. - 4mv+b frames encoding finally fixed (Michael)

  1548. - chroma ME (Michael)

  1549. - 5 comparison functions for ME (Michael)

  1550. - B-frame encoding speedup (Michael)

  1551. - WMV2 codec (unfinished - Michael)

  1552. - user specified diamond size for EPZS (Michael)

  1553. - Playstation STR playback subsystem, still experimental (Mike and Michael)

  1554. - ASV2 codec (Michael)

  1555. - CLJR decoder (Alex)

  1556. 

  1557. .. And lots more new enhancements and fixes.

  1558. 

  1559. 

  1560. version 0.4.6:

  1561. 

  1562. - completely new integer only MPEG audio layer 1/2/3 decoder rewritten

  1563.   from scratch

  1564. - Recoded DCT and motion vector search with gcc (no longer depends on nasm)

  1565. - fix quantization bug in AC3 encoder

  1566. - added PCM codecs and format. Corrected WAV/AVI/ASF PCM issues

  1567. - added prototype ffplay program

  1568. - added GOB header parsing on H.263/H.263+ decoder (Juanjo)

  1569. - bug fix on MCBPC tables of H.263 (Juanjo)

  1570. - bug fix on DC coefficients of H.263 (Juanjo)

  1571. - added Advanced Prediction Mode on H.263/H.263+ decoder (Juanjo)

  1572. - now we can decode H.263 streams found in QuickTime files (Juanjo)

  1573. - now we can decode H.263 streams found in VIVO v1 files(Juanjo)

  1574. - preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)

  1575. - added GOB header for H.263/H.263+ coding on RTP mode (Juanjo)

  1576. - now H.263 picture size is returned on the first decoded frame (Juanjo)

  1577. - added first regression tests

  1578. - added MPEG-2 TS demuxer

  1579. - new demux API for libav

  1580. - more accurate and faster IDCT (Michael)

  1581. - faster and entropy-controlled motion search (Michael)

  1582. - two pass video encoding (Michael)

  1583. - new video rate control (Michael)

  1584. - added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)

  1585. - great performance improvement of video encoders and decoders (Michael)

  1586. - new and faster bit readers and vlc parsers (Michael)

  1587. - high quality encoding mode: tries all macroblock/VLC types (Michael)

  1588. - added DV video decoder

  1589. - preliminary RTP/RTSP support in ffserver and libavformat

  1590. - H.263+ AIC decoding/encoding support (Juanjo)

  1591. - VCD MPEG-PS mode (Juanjo)

  1592. - PSNR stuff (Juanjo)

  1593. - simple stats output (Juanjo)

  1594. - 16-bit and 15-bit RGB/BGR/GBR support (Bisqwit)

  1595. 

  1596. 

  1597. version 0.4.5:

  1598. 

  1599. - some header fixes (Zdenek Kabelac <kabi at informatics.muni.cz>)

  1600. - many MMX optimizations (Nick Kurshev <nickols_k at mail.ru>)

  1601. - added configure system (actually a small shell script)

  1602. - added MPEG audio layer 1/2/3 decoding using LGPL'ed mpglib by

  1603.   Michael Hipp (temporary solution - waiting for integer only

  1604.   decoder)

  1605. - fixed VIDIOCSYNC interrupt

  1606. - added Intel H.263 decoding support ('I263' AVI fourCC)

  1607. - added Real Video 1.0 decoding (needs further testing)

  1608. - simplified image formats again. Added PGM format (=grey

  1609.   pgm). Renamed old PGM to PGMYUV.

  1610. - fixed msmpeg4 slice issues (tell me if you still find problems)

  1611. - fixed OpenDivX bugs with newer versions (added VOL header decoding)

  1612. - added support for MPlayer interface

  1613. - added macroblock skip optimization

  1614. - added MJPEG decoder

  1615. - added mmx/mmxext IDCT from libmpeg2

  1616. - added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer

  1617.   <celer at shell.scrypt.net>)

  1618. - added pixel format conversion layer (e.g. for MJPEG or PPM)

  1619. - added deinterlacing option

  1620. - MPEG-1/2 fixes

  1621. - MPEG-4 vol header fixes (Jonathan Marsden <snmjbm at pacbell.net>)

  1622. - ARM optimizations (Lionel Ulmer <lionel.ulmer at free.fr>).

  1623. - Windows porting of file converter

  1624. - added MJPEG raw format (input/output)

  1625. - added JPEG image format support (input/output)

  1626. 

  1627. 

  1628. version 0.4.4:

  1629. 

  1630. - fixed some std header definitions (Bjorn Lindgren

  1631.   <bjorn.e.lindgren at telia.com>).

  1632. - added MPEG demuxer (MPEG-1 and 2 compatible).

  1633. - added ASF demuxer

  1634. - added prototype RM demuxer

  1635. - added AC3 decoding (done with libac3 by Aaron Holtzman)

  1636. - added decoding codec parameter guessing (.e.g. for MPEG, because the

  1637.   header does not include them)

  1638. - fixed header generation in MPEG-1, AVI and ASF muxer: wmplayer can now

  1639.   play them (only tested video)

  1640. - fixed H.263 white bug

  1641. - fixed phase rounding in img resample filter

  1642. - add MMX code for polyphase img resample filter

  1643. - added CPU autodetection

  1644. - added generic title/author/copyright/comment string handling (ASF and RM

  1645.   use them)

  1646. - added SWF demux to extract MP3 track (not usable yet because no MP3

  1647.   decoder)

  1648. - added fractional frame rate support

  1649. - codecs are no longer searched by read_header() (should fix ffserver

  1650.   segfault)

  1651. 

  1652. 

  1653. version 0.4.3:

  1654. 

  1655. - BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq at amsat.org>)

  1656. - fixed raw yuv output

  1657. - added motion rounding support in MPEG-4

  1658. - fixed motion bug rounding in MSMPEG4

  1659. - added B-frame handling in video core

  1660. - added full MPEG-1 decoding support

  1661. - added partial (frame only) MPEG-2 support

  1662. - changed the FOURCC code for H.263 to "U263" to be able to see the

  1663.   +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with

  1664.   this +codec ;) (JuanJo).

  1665. - Halfpel motion estimation after MB type selection (JuanJo)

  1666. - added pgm and .Y.U.V output format

  1667. - suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or

  1668.   output.

  1669. - added pgmpipe I/O format (original patch from Martin Aumueller

  1670.   <lists at reserv.at>, but changed completely since we use a format

  1671.   instead of a protocol)

  1672. 

  1673. 

  1674. version 0.4.2:

  1675. 

  1676. - added H.263/MPEG-4/MSMPEG4 decoding support. MPEG-4 decoding support

  1677.   (for OpenDivX) is almost complete: 8x8 MVs and rounding are

  1678.   missing. MSMPEG4 support is complete.

  1679. - added prototype MPEG-1 decoder. Only I- and P-frames handled yet (it

  1680.   can decode ffmpeg MPEGs :-)).

  1681. - added libavcodec API documentation (see apiexample.c).

  1682. - fixed image polyphase bug (the bottom of some images could be

  1683.   greenish)

  1684. - added support for non clipped motion vectors (decoding only)

  1685.   and image sizes non-multiple of 16

  1686. - added support for AC prediction (decoding only)

  1687. - added file overwrite confirmation (can be disabled with -y)

  1688. - added custom size picture to H.263 using H.263+ (Juanjo)

  1689. 

  1690. 

  1691. version 0.4.1:

  1692. 

  1693. - added MSMPEG4 (aka DivX) compatible encoder. Changed default codec

  1694.   of AVI and ASF to DIV3.

  1695. - added -me option to set motion estimation method

  1696.   (default=log). suppressed redundant -hq option.

  1697. - added options -acodec and -vcodec to force a given codec (useful for

  1698.   AVI for example)

  1699. - fixed -an option

  1700. - improved dct_quantize speed

  1701. - factorized some motion estimation code

  1702. 

  1703. 

  1704. version 0.4.0:

  1705. 

  1706. - removing grab code from ffserver and moved it to ffmpeg. Added

  1707.   multistream support to ffmpeg.

  1708. - added timeshifting support for live feeds (option ?date=xxx in the

  1709.   URL)

  1710. - added high quality image resize code with polyphase filter (need

  1711.   mmx/see optimization). Enable multiple image size support in ffserver.

  1712. - added multi live feed support in ffserver

  1713. - suppressed master feature from ffserver (it should be done with an

  1714.   external program which opens the .ffm url and writes it to another

  1715.   ffserver)

  1716. - added preliminary support for video stream parsing (WAV and AVI half

  1717.   done). Added proper support for audio/video file conversion in

  1718.   ffmpeg.

  1719. - added preliminary support for video file sending from ffserver

  1720. - redesigning I/O subsystem: now using URL based input and output

  1721.   (see avio.h)

  1722. - added WAV format support

  1723. - added "tty user interface" to ffmpeg to stop grabbing gracefully

  1724. - added MMX/SSE optimizations to SAD (Sums of Absolutes Differences)

  1725.   (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo at atmlab.utfsm.cl>)

  1726. - added MMX DCT from mpeg2_movie 1.5 (Juanjo)

  1727. - added new motion estimation algorithms, log and phods (Juanjo)

  1728. - changed directories: libav for format handling, libavcodec for

  1729.   codecs

  1730. 

  1731. 

  1732. version 0.3.4:

  1733. 

  1734. - added stereo in MPEG audio encoder

  1735. 

  1736. 

  1737. version 0.3.3:

  1738. 

  1739. - added 'high quality' mode which use motion vectors. It can be used in

  1740.   real time at low resolution.

  1741. - fixed rounding problems which caused quality problems at high

  1742.   bitrates and large GOP size

  1743. 

  1744. 

  1745. version 0.3.2: small fixes

  1746. 

  1747. - ASF fixes

  1748. - put_seek bug fix

  1749. 

  1750. 

  1751. version 0.3.1: added avi/divx support

  1752. 

  1753. - added AVI support

  1754. - added MPEG-4 codec compatible with OpenDivX. It is based on the H.263 codec

  1755. - added sound for flash format (not tested)

  1756. 

  1757. 

  1758. version 0.3: initial public release