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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. - libaribb24 based ARIB STD-B24 caption support (profiles A and C)

  21. - Support decoding of HEVC 4:4:4 content in nvdec and cuviddec

  22. - removed libndi-newtek

  23. - agm decoder

  24. - KUX demuxer

  25. - AV1 frame split bitstream filter

  26. - lscr decoder

  27. - lagfun filter

  28. - asoftclip filter

  29. - Support decoding of HEVC 4:4:4 content in vdpau

  30. - colorhold filter

  31. - xmedian filter

  32. - asr filter

  33. - showspatial multimedia filter

  34. - VP4 video decoder

  35. - IFV demuxer

  36. - derain filter

  37. - deesser filter

  38. - mov muxer writes tracks with unspecified language instead of English by default

  39. 

  40. 

  41. version 4.1:

  42. - deblock filter

  43. - tmix filter

  44. - amplify filter

  45. - fftdnoiz filter

  46. - aderivative and aintegral audio filters

  47. - pal75bars and pal100bars video filter sources

  48. - support mbedTLS based TLS

  49. - adeclick filter

  50. - adeclip filter

  51. - libtensorflow backend for DNN based filters like srcnn

  52. - vc1 decoder is now bit-exact

  53. - ATRAC9 decoder

  54. - lensfun wrapper filter

  55. - colorconstancy filter

  56. - AVS2 video decoder via libdavs2

  57. - IMM4 video decoder

  58. - Brooktree ProSumer video decoder

  59. - MatchWare Screen Capture Codec decoder

  60. - WinCam Motion Video decoder

  61. - 1D LUT filter (lut1d)

  62. - RemotelyAnywhere Screen Capture decoder

  63. - cue and acue filters

  64. - support for AV1 in MP4

  65. - transpose_npp filter

  66. - AVS2 video encoder via libxavs2

  67. - amultiply filter

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

  69. - acrossover filter

  70. - ilbc decoder

  71. - audio denoiser as afftdn filter

  72. - AV1 parser

  73. - SER demuxer

  74. - sinc audio filter source

  75. - chromahold filter

  76. - setparams filter

  77. - vibrance filter

  78. - decoding S12M timecode in h264

  79. - xstack filter

  80. - pcm vidc decoder and encoder

  81. - (a)graphmonitor filter

  82. - yadif_cuda filter

  83. 

  84. 

  85. version 4.0:

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

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

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

  89. - VDA dropped (use VideoToolbox instead)

  90. - MagicYUV encoder

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

  92. - TiVo ty/ty+ demuxer

  93. - Intel QSV-accelerated MJPEG encoding

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

  95. - native aptX and aptX HD encoder and decoder

  96. - Raw aptX and aptX HD muxer and demuxer

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

  98. - Intel QSV-accelerated overlay filter

  99. - mcompand audio filter

  100. - acontrast audio filter

  101. - OpenCL overlay filter

  102. - video mix filter

  103. - video normalize filter

  104. - audio lv2 wrapper filter

  105. - VAAPI MJPEG and VP8 decoding

  106. - AMD AMF H.264 and HEVC encoders

  107. - video fillborders filter

  108. - video setrange filter

  109. - nsp demuxer

  110. - support LibreSSL (via libtls)

  111. - AVX-512/ZMM support added

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

  113.   version is Windows Vista.

  114. - deconvolve video filter

  115. - entropy video filter

  116. - hilbert audio filter source

  117. - aiir audio filter

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

  119. - Removed the ffserver program

  120. - Removed the ffmenc and ffmdec muxer and demuxer

  121. - VideoToolbox HEVC encoder and hwaccel

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

  123. - Add android_camera indev

  124. - codec2 en/decoding via libcodec2

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

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

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

  128. - native SBC encoder and decoder

  129. - drmeter audio filter

  130. - hapqa_extract bitstream filter

  131. - filter_units bitstream filter

  132. - AV1 Support through libaom

  133. - E-AC-3 dependent frames support

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

  135. - Haivision SRT protocol via libsrt

  136. - segafilm muxer

  137. - vfrdet filter

  138. - SRCNN filter

  139. 

  140. 

  141. version 3.4:

  142. - deflicker video filter

  143. - doubleweave video filter

  144. - lumakey video filter

  145. - pixscope video filter

  146. - oscilloscope video filter

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

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

  149. - afir audio filter

  150. - scale_cuda CUDA based video scale filter

  151. - librsvg support for svg rasterization

  152. - crossfeed audio filter

  153. - spec compliant VP9 muxing support in MP4

  154. - remove the libnut muxer/demuxer wrappers

  155. - remove the libschroedinger encoder/decoder wrappers

  156. - surround audio filter

  157. - sofalizer filter switched to libmysofa

  158. - Gremlin Digital Video demuxer and decoder

  159. - headphone audio filter

  160. - superequalizer audio filter

  161. - roberts video filter

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

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

  164. - additional frame format support for Interplay MVE movies

  165. - support for decoding through D3D11VA in ffmpeg

  166. - limiter video filter

  167. - libvmaf video filter

  168. - Dolby E decoder and SMPTE 337M demuxer

  169. - unpremultiply video filter

  170. - tlut2 video filter

  171. - floodfill video filter

  172. - pseudocolor video filter

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

  174. - NewTek NDI input/output device

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

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

  177.   They must always be used by name.

  178. - FITS demuxer and decoder

  179. - FITS muxer and encoder

  180. - add --disable-autodetect build switch

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

  182. - despill video filter

  183. - haas audio filter

  184. - SUP/PGS subtitle muxer

  185. - convolve video filter

  186. - VP9 tile threading support

  187. - KMS screen grabber

  188. - CUDA thumbnail filter

  189. - V4L2 mem2mem HW assisted codecs

  190. - Rockchip MPP hardware decoding

  191. - vmafmotion video filter

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

  193. 

  194. 

  195. version 3.3:

  196. - CrystalHD decoder moved to new decode API

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

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

  199. - premultiply video filter

  200. - Support for spherical videos

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

  202. - PSD Decoder

  203. - 16.8 floating point pcm decoder

  204. - 24.0 floating point pcm decoder

  205. - Apple Pixlet decoder

  206. - QDMC audio decoder

  207. - NewTek SpeedHQ decoder

  208. - MIDI Sample Dump Standard demuxer

  209. - readeia608 filter

  210. - Sample Dump eXchange demuxer

  211. - abitscope multimedia filter

  212. - Scenarist Closed Captions demuxer and muxer

  213. - threshold filter

  214. - midequalizer filter

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

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

  217. - FM Screen Capture Codec decoder

  218. - native Opus encoder

  219. - ScreenPressor decoder

  220. - incomplete ClearVideo decoder

  221. - Intel QSV video scaling and deinterlacing filters

  222. - Support MOV with multiple sample description tables

  223. - XPM decoder

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

  225. - MPEG-7 Video Signature filter

  226. - Removed asyncts filter (use af_aresample instead)

  227. - Intel QSV-accelerated VP8 video decoding

  228. - VAAPI-accelerated deinterlacing

  229. 

  230. 

  231. version 3.2:

  232. - libopenmpt demuxer

  233. - tee protocol

  234. - Changed metadata print option to accept general urls

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

  236. - VP8 in Ogg muxing

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

  238. - 16-bit support in curves filter and selectivecolor filter

  239. - OpenH264 decoder wrapper

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

  241. - True Audio (TTA) muxer

  242. - crystalizer audio filter

  243. - acrusher audio filter

  244. - bitplanenoise video filter

  245. - floating point support in als decoder

  246. - fifo muxer

  247. - maskedclamp filter

  248. - hysteresis filter

  249. - lut2 filter

  250. - yuvtestsrc filter

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

  252. - vaguedenoiser filter

  253. - added threads option per filter instance

  254. - weave filter

  255. - gblur filter

  256. - avgblur filter

  257. - sobel and prewitt filter

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

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

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

  261. - sdl2 output device and ffplay support

  262. - sdl1 output device and sdl1 support removed

  263. - extended mov edit list support

  264. - libfaac encoder removed

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

  266. - sidedata video and asidedata audio filter

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

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

  269. 

  270. 

  271. version 3.1:

  272. - DXVA2-accelerated HEVC Main10 decoding

  273. - fieldhint filter

  274. - loop video filter and aloop audio filter

  275. - Bob Weaver deinterlacing filter

  276. - firequalizer filter

  277. - datascope filter

  278. - bench and abench filters

  279. - ciescope filter

  280. - protocol blacklisting API

  281. - MediaCodec H264 decoding

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

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

  284. - AudioToolbox audio decoders

  285. - AudioToolbox audio encoders

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

  287. - libdcadec removed

  288. - bitstream filter for extracting DTS core

  289. - ADPCM IMA DAT4 decoder

  290. - musx demuxer

  291. - aix demuxer

  292. - remap filter

  293. - hash and framehash muxers

  294. - colorspace filter

  295. - hdcd filter

  296. - readvitc filter

  297. - VAAPI-accelerated format conversion and scaling

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

  299. - Duck TrueMotion 2.0 Real Time decoder

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

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

  302. - DTS Express (LBR) decoder

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

  304. - IFF ANIM demuxer & decoder

  305. - Direct Stream Transfer (DST) decoder

  306. - loudnorm filter

  307. - MTAF demuxer and decoder

  308. - MagicYUV decoder

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

  310. - BitJazz SheerVideo decoder

  311. - CUDA CUVID H264/HEVC decoder

  312. - 10-bit depth support in native utvideo decoder

  313. - libutvideo wrapper removed

  314. - YUY2 Lossless Codec decoder

  315. - VideoToolbox H.264 encoder

  316. 

  317. 

  318. version 3.0:

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

  320. - DXV decoding

  321. - extrastereo filter

  322. - ocr filter

  323. - alimiter filter

  324. - stereowiden filter

  325. - stereotools filter

  326. - rubberband filter

  327. - tremolo filter

  328. - agate filter

  329. - chromakey filter

  330. - maskedmerge filter

  331. - Screenpresso SPV1 decoding

  332. - chromaprint fingerprinting muxer

  333. - ffplay dynamic volume control

  334. - displace filter

  335. - selectivecolor filter

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

  337. - ADPCM PSX decoder

  338. - 3dostr, dcstr, fsb, genh, vag, xvag, ads, msf, svag & vpk demuxer

  339. - zscale filter

  340. - wve demuxer

  341. - zero-copy Intel QSV transcoding in ffmpeg

  342. - shuffleframes filter

  343. - SDX2 DPCM decoder

  344. - vibrato filter

  345. - innoHeim/Rsupport Screen Capture Codec decoder

  346. - ADPCM AICA decoder

  347. - Interplay ACM demuxer and audio decoder

  348. - XMA1 & XMA2 decoder

  349. - realtime filter

  350. - anoisesrc audio filter source

  351. - IVR demuxer

  352. - compensationdelay filter

  353. - acompressor filter

  354. - support encoding 16-bit RLE SGI images

  355. - apulsator filter

  356. - sidechaingate audio filter

  357. - mipsdspr1 option has been renamed to mipsdsp

  358. - aemphasis filter

  359. - mips32r5 option has been removed

  360. - mips64r6 option has been removed

  361. - DXVA2-accelerated VP9 decoding

  362. - SOFAlizer: virtual binaural acoustics filter

  363. - VAAPI VP9 hwaccel

  364. - audio high-order multiband parametric equalizer

  365. - automatic bitstream filtering

  366. - showspectrumpic filter

  367. - libstagefright support removed

  368. - spectrumsynth filter

  369. - ahistogram filter

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

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

  372. - afftfilt filter

  373. - convolution filter

  374. - libquvi support removed

  375. - support for dvaudio in wav and avi

  376. - libaacplus and libvo-aacenc support removed

  377. - Cineform HD decoder

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

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

  380. - nnedi deinterlacer

  381. - streamselect video and astreamselect audio filter

  382. - swaprect filter

  383. - metadata video and ametadata audio filter

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

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

  386. 

  387. 

  388. version 2.8:

  389. - colorkey video filter

  390. - BFSTM/BCSTM demuxer

  391. - little-endian ADPCM_THP decoder

  392. - Hap decoder and encoder

  393. - DirectDraw Surface image/texture decoder

  394. - ssim filter

  395. - optional new ASF demuxer

  396. - showvolume filter

  397. - Many improvements to the JPEG 2000 decoder

  398. - Go2Meeting decoding support

  399. - adrawgraph audio and drawgraph video filter

  400. - removegrain video filter

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

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

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

  404. - libkvazaar HEVC encoder

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

  406. - Dynamic Audio Normalizer as dynaudnorm filter

  407. - Reverse video and areverse audio filter

  408. - Random filter

  409. - deband filter

  410. - AAC fixed-point decoding

  411. - sidechaincompress audio filter

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

  413. - acrossfade audio filter

  414. - allyuv and allrgb video sources

  415. - atadenoise video filter

  416. - OS X VideoToolbox support

  417. - aphasemeter filter

  418. - showfreqs filter

  419. - vectorscope filter

  420. - waveform filter

  421. - hstack and vstack filter

  422. - Support DNx100 (1440x1080@8)

  423. - VAAPI hevc hwaccel

  424. - VDPAU hevc hwaccel

  425. - framerate filter

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

  427. - Removed experimental flag from the JPEG 2000 encoder

  428. 

  429. 

  430. version 2.7:

  431. - FFT video filter

  432. - TDSC decoder

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

  434. - showwavespic filter

  435. - DTS decoding through libdcadec

  436. - Drop support for nvenc API before 5.0

  437. - nvenc HEVC encoder

  438. - Detelecine filter

  439. - Intel QSV-accelerated H.264 encoding

  440. - MMAL-accelerated H.264 decoding

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

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

  443. - WebM Live Chunk Muxer

  444. - nvenc level and tier options

  445. - chorus filter

  446. - Canopus HQ/HQA decoder

  447. - Automatically rotate videos based on metadata in ffmpeg

  448. - improved Quickdraw compatibility

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

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

  451. - Direct3D11-accelerated decoding

  452. - Support Secure Transport

  453. - Multipart JPEG demuxer

  454. 

  455. 

  456. version 2.6:

  457. - nvenc encoder

  458. - 10bit spp filter

  459. - colorlevels filter

  460. - RIFX format for *.wav files

  461. - RTP/mpegts muxer

  462. - non continuous cache protocol support

  463. - tblend filter

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

  465. - Camellia symmetric block cipher

  466. - OpenH264 encoder wrapper

  467. - VOC seeking support

  468. - Closed caption Decoder

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

  470. - showpalette filter

  471. - Twofish symmetric block cipher

  472. - Support DNx100 (960x720@8)

  473. - eq2 filter ported from libmpcodecs as eq filter

  474. - removed libmpcodecs

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

  476. - ported softpulldown filter from libmpcodecs as repeatfields filter

  477. - dcshift filter

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

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

  480. - palettegen and paletteuse filters

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

  482. - RTP depacketizer for DV (RFC 6469)

  483. - DXVA2-accelerated HEVC decoding

  484. - AAC ELD 480 decoding

  485. - Intel QSV-accelerated H.264 decoding

  486. - DSS SP decoder and DSS demuxer

  487. - Fix stsd atom corruption in DNxHD QuickTimes

  488. - Canopus HQX decoder

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

  490. - Port MIPS optimizations to 64-bit

  491. 

  492. 

  493. version 2.5:

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

  495. - SUP/PGS subtitle demuxer

  496. - ffprobe -show_pixel_formats option

  497. - CAST128 symmetric block cipher, ECB mode

  498. - STL subtitle demuxer and decoder

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

  500. - XCB-based screen-grabber

  501. - UDP-Lite support (RFC 3828)

  502. - xBR scaling filter

  503. - AVFoundation screen capturing support

  504. - ffserver supports codec private options

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

  506. - WebP muxer with animated WebP support

  507. - zygoaudio decoding support

  508. - APNG demuxer

  509. - postproc visualization support

  510. 

  511. 

  512. version 2.4:

  513. - Icecast protocol

  514. - ported lenscorrection filter from frei0r filter

  515. - large optimizations in dctdnoiz to make it usable

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

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

  518. - LZMA compression support in TIFF decoder

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

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

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

  522. - Matroska 3D support thorugh side data

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

  524. - silenceremove filter

  525. 

  526. 

  527. version 2.3:

  528. - AC3 fixed-point decoding

  529. - shuffleplanes filter

  530. - subfile protocol

  531. - Phantom Cine demuxer

  532. - replaygain data export

  533. - VP7 video decoder

  534. - Alias PIX image encoder and decoder

  535. - Improvements to the BRender PIX image decoder

  536. - Improvements to the XBM decoder

  537. - QTKit input device

  538. - improvements to OpenEXR image decoder

  539. - support decoding 16-bit RLE SGI images

  540. - GDI screen grabbing for Windows

  541. - alternative rendition support for HTTP Live Streaming

  542. - AVFoundation input device

  543. - Direct Stream Digital (DSD) decoder

  544. - Magic Lantern Video (MLV) demuxer

  545. - On2 AVC (Audio for Video) decoder

  546. - support for decoding through DXVA2 in ffmpeg

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

  548. - libx264 reference frames count limiting depending on level

  549. - native Opus decoder

  550. - display matrix export and rotation API

  551. - WebVTT encoder

  552. - showcqt multimedia filter

  553. - zoompan filter

  554. - signalstats filter

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

  556. - flanger filter

  557. - Image format auto-detection

  558. - LRC demuxer and muxer

  559. - Samba protocol (via libsmbclient)

  560. - WebM DASH Manifest muxer

  561. - libfribidi support in drawtext

  562. 

  563. 

  564. version 2.2:

  565. 

  566. - HNM version 4 demuxer and video decoder

  567. - Live HDS muxer

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

  569. - elbg filter

  570. - string validation in ffprobe

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

  572. - complete Voxware MetaSound decoder

  573. - remove mp3_header_compress bitstream filter

  574. - Windows resource files for shared libraries

  575. - aeval filter

  576. - stereoscopic 3d metadata handling

  577. - WebP encoding via libwebp

  578. - ATRAC3+ decoder

  579. - VP8 in Ogg demuxing

  580. - side & metadata support in NUT

  581. - framepack filter

  582. - XYZ12 rawvideo support in NUT

  583. - Exif metadata support in WebP decoder

  584. - OpenGL device

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

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

  587. - Mirillis FIC video decoder

  588. - Support DNx444

  589. - libx265 encoder

  590. - dejudder filter

  591. - Autodetect VDA like all other hardware accelerations

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

  593. 

  594. 

  595. version 2.1:

  596. 

  597. - aecho filter

  598. - perspective filter ported from libmpcodecs

  599. - ffprobe -show_programs option

  600. - compand filter

  601. - RTMP seek support

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

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

  604.   the -noaccurate_seek option.

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

  606.   data read from an input file

  607. - incomplete Voxware MetaSound decoder

  608. - read EXIF metadata from JPEG

  609. - DVB teletext decoder

  610. - phase filter ported from libmpcodecs

  611. - w3fdif filter

  612. - Opus support in Matroska

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

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

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

  616.   more consistent with other muxers.

  617. - adelay filter

  618. - pullup filter ported from libmpcodecs

  619. - ffprobe -read_intervals option

  620. - Lossless and alpha support for WebP decoder

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

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

  623. - mux chapters in ASF files

  624. - SFTP protocol (via libssh)

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

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

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

  628.   the skip_alpha flag.

  629. - ladspa wrapper filter

  630. - native VP9 decoder

  631. - dpx parser

  632. - max_error_rate parameter in ffmpeg

  633. - PulseAudio output device

  634. - ReplayGain scanner

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

  636. - Linux framebuffer output device

  637. - HEVC decoder

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

  639. - mergeplanes filter

  640. 

  641. 

  642. version 2.0:

  643. 

  644. - curves filter

  645. - reference-counting for AVFrame and AVPacket data

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

  647.   or vice versa

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

  649. - perms and aperms filters

  650. - audio filtering support in ffplay

  651. - 10% faster aac encoding on x86 and MIPS

  652. - sine audio filter source

  653. - WebP demuxing and decoding support

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

  655.   filtergraph description to be read from a file

  656. - OpenCL support

  657. - audio phaser filter

  658. - separatefields filter

  659. - libquvi demuxer

  660. - uniform options syntax across all filters

  661. - telecine filter

  662. - interlace filter

  663. - smptehdbars source

  664. - inverse telecine filters (fieldmatch and decimate)

  665. - colorbalance filter

  666. - colorchannelmixer filter

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

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

  669. - decent native animated GIF encoding

  670. - asetrate filter

  671. - interleave filter

  672. - timeline editing with filters

  673. - vidstabdetect and vidstabtransform filters for video stabilization using

  674.   the vid.stab library

  675. - astats filter

  676. - trim and atrim filters

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

  678.   transcoding audio

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

  680. - extractplanes filter

  681. - avectorscope filter

  682. - ADPCM DTK decoder

  683. - ADP demuxer

  684. - RSD demuxer

  685. - RedSpark demuxer

  686. - ADPCM IMA Radical decoder

  687. - zmq filters

  688. - DCT denoiser filter (dctdnoiz)

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

  690. - Apple Intermediate Codec decoder

  691. - Escape 130 video decoder

  692. - FTP protocol support

  693. - V4L2 output device

  694. - 3D LUT filter (lut3d)

  695. - SMPTE 302M audio encoder

  696. - support for slice multithreading in libavfilter

  697. - Hald CLUT support (generation and filtering)

  698. - VC-1 interlaced B-frame support

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

  700. - XVideo output device

  701. - vignette filter

  702. - True Audio (TTA) encoder

  703. - Go2Webinar decoder

  704. - mcdeint filter ported from libmpcodecs

  705. - sab filter ported from libmpcodecs

  706. - ffprobe -show_chapters option

  707. - WavPack encoding through libwavpack

  708. - rotate filter

  709. - spp filter ported from libmpcodecs

  710. - libgme support

  711. - psnr filter

  712. 

  713. 

  714. version 1.2:

  715. 

  716. - VDPAU hardware acceleration through normal hwaccel

  717. - SRTP support

  718. - Error diffusion dither in Swscale

  719. - Chained Ogg support

  720. - Theora Midstream reconfiguration support

  721. - EVRC decoder

  722. - audio fade filter

  723. - filtering audio with unknown channel layout

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

  725.   and treble audio filter

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

  727. - histogram filter

  728. - tee muxer

  729. - il filter ported from libmpcodecs

  730. - support ID3v2 tags in ASF files

  731. - encrypted TTA stream decoding support

  732. - RF64 support in WAV muxer

  733. - noise filter ported from libmpcodecs

  734. - Subtitles character encoding conversion

  735. - blend filter

  736. - stereo3d filter ported from libmpcodecs

  737. 

  738. 

  739. version 1.1:

  740. 

  741. - stream disposition information printing in ffprobe

  742. - filter for loudness analysis following EBU R128

  743. - Opus encoder using libopus

  744. - ffprobe -select_streams option

  745. - Pinnacle TARGA CineWave YUV16 decoder

  746. - TAK demuxer, decoder and parser

  747. - DTS-HD demuxer

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

  749. - FFM2 support

  750. - X-Face image encoder and decoder

  751. - 24-bit FLAC encoding

  752. - multi-channel ALAC encoding up to 7.1

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

  754. - subtitles raw text decoder

  755. - support for building DLLs using MSVC

  756. - LVF demuxer

  757. - ffescape tool

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

  759. - field filter ported from libmpcodecs

  760. - AVR demuxer

  761. - geq filter ported from libmpcodecs

  762. - remove ffserver daemon mode

  763. - AST muxer/demuxer

  764. - new expansion syntax for drawtext

  765. - BRender PIX image decoder

  766. - ffprobe -show_entries option

  767. - ffprobe -sections option

  768. - ADPCM IMA Dialogic decoder

  769. - BRSTM demuxer

  770. - animated GIF decoder and demuxer

  771. - PVF demuxer

  772. - subtitles filter

  773. - IRCAM muxer/demuxer

  774. - Paris Audio File demuxer

  775. - Virtual concatenation demuxer

  776. - VobSub demuxer

  777. - JSON captions for TED talks decoding support

  778. - SOX Resampler support in libswresample

  779. - aselect filter

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

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

  782. - Silicon Graphics Movie demuxer

  783. - apad filter

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

  785. - documentation split into per-component manuals

  786. - pp (postproc) filter ported from MPlayer

  787. - NIST Sphere demuxer

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

  789. - Sony Wave64 muxer

  790. - adobe and limelight publisher authentication in RTMP

  791. - data: URI scheme

  792. - support building on the Plan 9 operating system

  793. - kerndeint filter ported from MPlayer

  794. - histeq filter ported from VirtualDub

  795. - Megalux Frame demuxer

  796. - 012v decoder

  797. - Improved AVC Intra decoding support

  798. 

  799. 

  800. version 1.0:

  801. 

  802. - INI and flat output in ffprobe

  803. - Scene detection in libavfilter

  804. - Indeo Audio decoder

  805. - channelsplit audio filter

  806. - setnsamples audio filter

  807. - atempo filter

  808. - ffprobe -show_data option

  809. - RTMPT protocol support

  810. - iLBC encoding/decoding via libilbc

  811. - Microsoft Screen 1 decoder

  812. - join audio filter

  813. - audio channel mapping filter

  814. - Microsoft ATC Screen decoder

  815. - RTSP listen mode

  816. - TechSmith Screen Codec 2 decoder

  817. - AAC encoding via libfdk-aac

  818. - Microsoft Expression Encoder Screen decoder

  819. - RTMPS protocol support

  820. - RTMPTS protocol support

  821. - RTMPE protocol support

  822. - RTMPTE protocol support

  823. - showwaves and showspectrum filter

  824. - LucasArts SMUSH SANM playback support

  825. - LucasArts SMUSH VIMA audio decoder (ADPCM)

  826. - LucasArts SMUSH demuxer

  827. - SAMI, RealText and SubViewer demuxers and decoders

  828. - Heart Of Darkness PAF playback support

  829. - iec61883 device

  830. - asettb filter

  831. - new option: -progress

  832. - 3GPP Timed Text encoder/decoder

  833. - GeoTIFF decoder support

  834. - ffmpeg -(no)stdin option

  835. - Opus decoder using libopus

  836. - caca output device using libcaca

  837. - alphaextract and alphamerge filters

  838. - concat filter

  839. - flite filter

  840. - Canopus Lossless Codec decoder

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

  842. - MP2 encoding via TwoLAME

  843. - bmp parser

  844. - smptebars source

  845. - asetpts filter

  846. - hue filter

  847. - ICO muxer

  848. - SubRip encoder and decoder without embedded timing

  849. - edge detection filter

  850. - framestep filter

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

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

  853. - volume measurement filter

  854. - Ut Video encoder

  855. - Microsoft Screen 2 decoder

  856. - smartblur filter ported from MPlayer

  857. - CPiA decoder

  858. - decimate filter ported from MPlayer

  859. - RTP depacketization of JPEG

  860. - Smooth Streaming live segmenter muxer

  861. - F4V muxer

  862. - sendcmd and asendcmd filters

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

  864. - RTP packetization of JPEG

  865. - faststart option in the MOV/MP4 muxer

  866. - support for building with MSVC

  867. 

  868. 

  869. version 0.11:

  870. 

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

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

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

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

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

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

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

  878. - setfield filter

  879. - CDXL demuxer and decoder

  880. - Apple ProRes encoder

  881. - ffprobe -count_packets and -count_frames options

  882. - Sun Rasterfile Encoder

  883. - ID3v2 attached pictures reading and writing

  884. - WMA Lossless decoder

  885. - bluray protocol

  886. - blackdetect filter

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

  888. - swapuv filter

  889. - bbox filter

  890. - XBM encoder and decoder

  891. - RealAudio Lossless decoder

  892. - ZeroCodec decoder

  893. - tile video filter

  894. - Metal Gear Solid: The Twin Snakes demuxer

  895. - OpenEXR image decoder

  896. - removelogo filter

  897. - drop support for ffmpeg without libavfilter

  898. - drawtext video filter: fontconfig support

  899. - ffmpeg -benchmark_all option

  900. - super2xsai filter ported from libmpcodecs

  901. - add libavresample audio conversion library for compatibility

  902. - MicroDVD decoder

  903. - Avid Meridien (AVUI) encoder and decoder

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

  905. - complete audio filtering in libavfilter and ffmpeg

  906. - add fps filter

  907. - vorbis parser

  908. - png parser

  909. - audio mix filter

  910. - ffv1: support (draft) version 1.3

  911. 

  912. 

  913. version 0.10:

  914. 

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

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

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

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

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

  920. - SBaGen (SBG) binaural beats script demuxer

  921. - OpenMG Audio muxer

  922. - Timecode extraction in DV and MOV

  923. - thumbnail video filter

  924. - XML output in ffprobe

  925. - asplit audio filter

  926. - tinterlace video filter

  927. - astreamsync audio filter

  928. - amerge audio filter

  929. - ISMV (Smooth Streaming) muxer

  930. - GSM audio parser

  931. - SMJPEG muxer

  932. - XWD encoder and decoder

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

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

  935. - ffprobe -show_error option

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

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

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

  939. - ffprobe -show_frames option

  940. - silencedetect audio filter

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

  942. - rv34: frame-level multi-threading

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

  944. - Improved PGS subtitle decoder

  945. - dumpgraph option to lavfi device

  946. - r210 and r10k encoders

  947. - ffwavesynth decoder

  948. - aviocat tool

  949. - ffeval tool

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

  951. 

  952. 

  953. version 0.9:

  954. 

  955. - openal input device added

  956. - boxblur filter added

  957. - BWF muxer

  958. - Flash Screen Video 2 decoder

  959. - lavfi input device added

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

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

  962. easier to use. The changes are:

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

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

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

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

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

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

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

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

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

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

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

  974.       specifiers section in the avconv manual for details.

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

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

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

  978.       apply to the next input or output file.

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

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

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

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

  983.       each stream in the first input file.

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

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

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

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

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

  989.           output stream from the third input audio stream.

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

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

  992.           subtitle streams in the first input file.

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

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

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

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

  997.           stream'.

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

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

  1000.       other options. E.g. -c:v lib264 sets the codec for all video streams, -c:a:0

  1001.       libvorbis sets the codec for the first audio stream and -c copy copies all

  1002.       the streams without reencoding. Old -vcodec/-acodec/-scodec options are now

  1003.       aliases to -c:v/a/s

  1004.     * It is now possible to precisely specify which stream should an AVOption

  1005.       apply to. E.g. -b:v:0 2M sets the bitrate for the first video stream, while

  1006.       -b:a 128k sets the bitrate for all audio streams. Note that the old -ab 128k

  1007.       syntax is deprecated and will stop working soon.

  1008.     * -map_chapters now takes only an input file index and applies to the next

  1009.       output file. This is consistent with how all the other options work.

  1010.     * -map_metadata now takes only an input metadata specifier and applies to

  1011.       the next output file. Output metadata specifier is now part of the option

  1012.       name, similarly to the AVOptions/map/codec feature above.

  1013.     * -metadata can now be used to set metadata on streams and chapters, e.g.

  1014.       -metadata:s:1 language=eng sets the language of the first stream to 'eng'.

  1015.       This made -vlang/-alang/-slang options redundant, so they were removed.

  1016.     * -qscale option now uses stream specifiers and applies to all streams, not

  1017.       just video. I.e. plain -qscale number would now apply to all streams. To get

  1018.       the old behavior, use -qscale:v. Also there is now a shortcut -q for -qscale

  1019.       and -aq is now an alias for -q:a.

  1020.     * -vbsf/-absf/-sbsf options were removed and replaced by a -bsf option which

  1021.       uses stream specifiers. Use -bsf:v/a/s instead of the old options.

  1022.     * -itsscale option now uses stream specifiers, so its argument is only the

  1023.       scale parameter.

  1024.     * -intra option was removed, use -g 0 for the same effect.

  1025.     * -psnr option was removed, use -flags +psnr for the same effect.

  1026.     * -vf option is now an alias to the new -filter option, which uses stream specifiers.

  1027.     * -vframes/-aframes/-dframes options are now aliases to the new -frames option.

  1028.     * -vtag/-atag/-stag options are now aliases to the new -tag option.

  1029. - XMV demuxer

  1030. - LOAS demuxer

  1031. - ashowinfo filter added

  1032. - Windows Media Image decoder

  1033. - amovie source added

  1034. - LATM muxer/demuxer

  1035. - Speex encoder via libspeex

  1036. - JSON output in ffprobe

  1037. - WTV muxer

  1038. - Optional C++ Support (needed for libstagefright)

  1039. - H.264 Decoding on Android via Stagefright

  1040. - Prores decoder

  1041. - BIN/XBIN/ADF/IDF text file decoder

  1042. - aconvert audio filter added

  1043. - audio support to lavfi input device added

  1044. - libcdio-paranoia input device for audio CD grabbing

  1045. - Apple ProRes decoder

  1046. - CELT in Ogg demuxing

  1047. - G.723.1 demuxer and decoder

  1048. - libmodplug support (--enable-libmodplug)

  1049. - VC-1 interlaced decoding

  1050. - libutvideo wrapper (--enable-libutvideo)

  1051. - aevalsrc audio source added

  1052. - Ut Video decoder

  1053. - Speex encoding via libspeex

  1054. - 4:2:2 H.264 decoding support

  1055. - 4:2:2 and 4:4:4 H.264 encoding with libx264

  1056. - Pulseaudio input device

  1057. - Prores encoder

  1058. - Video Decoder Acceleration (VDA) HWAccel module.

  1059. - replacement Indeo 3 decoder

  1060. - new ffmpeg option: -map_channel

  1061. - volume audio filter added

  1062. - earwax audio filter added

  1063. - libv4l2 support (--enable-libv4l2)

  1064. - TLS/SSL and HTTPS protocol support

  1065. - AVOptions API rewritten and documented

  1066. - most of CODEC_FLAG2_*, some CODEC_FLAG_* and many codec-specific fields in

  1067.   AVCodecContext deprecated. Codec private options should be used instead.

  1068. - Properly working defaults in libx264 wrapper, support for native presets.

  1069. - Encrypted OMA files support

  1070. - Discworld II BMV decoding support

  1071. - VBLE Decoder

  1072. - OS X Video Decoder Acceleration (VDA) support

  1073. - compact and csv output in ffprobe

  1074. - pan audio filter

  1075. - IFF Amiga Continuous Bitmap (ACBM) decoder

  1076. - ass filter

  1077. - CRI ADX audio format muxer and demuxer

  1078. - Playstation Portable PMP format demuxer

  1079. - Microsoft Windows ICO demuxer

  1080. - life source

  1081. - PCM format support in OMA demuxer

  1082. - CLJR encoder

  1083. - new option: -report

  1084. - Dxtory capture format decoder

  1085. - cellauto source

  1086. - Simple segmenting muxer

  1087. - Indeo 4 decoder

  1088. - SMJPEG demuxer

  1089. 

  1090. 

  1091. version 0.8:

  1092. 

  1093. - many many things we forgot because we rather write code than changelogs

  1094. - WebM support in Matroska de/muxer

  1095. - low overhead Ogg muxing

  1096. - MMS-TCP support

  1097. - VP8 de/encoding via libvpx

  1098. - Demuxer for On2's IVF format

  1099. - Pictor/PC Paint decoder

  1100. - HE-AAC v2 decoder

  1101. - HE-AAC v2 encoding with libaacplus

  1102. - libfaad2 wrapper removed

  1103. - DTS-ES extension (XCh) decoding support

  1104. - native VP8 decoder

  1105. - RTSP tunneling over HTTP

  1106. - RTP depacketization of SVQ3

  1107. - -strict inofficial replaced by -strict unofficial

  1108. - ffplay -exitonkeydown and -exitonmousedown options added

  1109. - native GSM / GSM MS decoder

  1110. - RTP depacketization of QDM2

  1111. - ANSI/ASCII art playback system

  1112. - Lego Mindstorms RSO de/muxer

  1113. - libavcore added (and subsequently removed)

  1114. - SubRip subtitle file muxer and demuxer

  1115. - Chinese AVS encoding via libxavs

  1116. - ffprobe -show_packets option added

  1117. - RTP packetization of Theora and Vorbis

  1118. - RTP depacketization of MP4A-LATM

  1119. - RTP packetization and depacketization of VP8

  1120. - hflip filter

  1121. - Apple HTTP Live Streaming demuxer

  1122. - a64 codec

  1123. - MMS-HTTP support

  1124. - G.722 ADPCM audio encoder/decoder

  1125. - R10k video decoder

  1126. - ocv_smooth filter

  1127. - frei0r wrapper filter

  1128. - change crop filter syntax to width:height:x:y

  1129. - make the crop filter accept parametric expressions

  1130. - make ffprobe accept AVFormatContext options

  1131. - yadif filter

  1132. - blackframe filter

  1133. - Demuxer for Leitch/Harris' VR native stream format (LXF)

  1134. - RTP depacketization of the X-QT QuickTime format

  1135. - SAP (Session Announcement Protocol, RFC 2974) muxer and demuxer

  1136. - cropdetect filter

  1137. - ffmpeg -crop* options removed

  1138. - transpose filter added

  1139. - ffmpeg -force_key_frames option added

  1140. - demuxer for receiving raw rtp:// URLs without an SDP description

  1141. - single stream LATM/LOAS decoder

  1142. - setpts filter added

  1143. - Win64 support for optimized x86 assembly functions

  1144. - MJPEG/AVI1 to JPEG/JFIF bitstream filter

  1145. - ASS subtitle encoder and decoder

  1146. - IEC 61937 encapsulation for E-AC-3, TrueHD, DTS-HD (for HDMI passthrough)

  1147. - overlay filter added

  1148. - rename aspect filter to setdar, and pixelaspect to setsar

  1149. - IEC 61937 demuxer

  1150. - Mobotix .mxg demuxer

  1151. - frei0r source added

  1152. - hqdn3d filter added

  1153. - RTP depacketization of QCELP

  1154. - FLAC parser added

  1155. - gradfun filter added

  1156. - AMR-WB decoder

  1157. - replace the ocv_smooth filter with a more generic ocv filter

  1158. - Windows Televison (WTV) demuxer

  1159. - FFmpeg metadata format muxer and demuxer

  1160. - SubRip (srt) subtitle encoder and decoder

  1161. - floating-point AC-3 encoder added

  1162. - Lagarith decoder

  1163. - ffmpeg -copytb option added

  1164. - IVF muxer added

  1165. - Wing Commander IV movies decoder added

  1166. - movie source added

  1167. - Bink version 'b' audio and video decoder

  1168. - Bitmap Brothers JV playback system

  1169. - Apple HTTP Live Streaming protocol handler

  1170. - sndio support for playback and record

  1171. - Linux framebuffer input device added

  1172. - Chronomaster DFA decoder

  1173. - DPX image encoder

  1174. - MicroDVD subtitle file muxer and demuxer

  1175. - Playstation Portable PMP format demuxer

  1176. - fieldorder video filter added

  1177. - AAC encoding via libvo-aacenc

  1178. - AMR-WB encoding via libvo-amrwbenc

  1179. - xWMA demuxer

  1180. - Mobotix MxPEG decoder

  1181. - VP8 frame-multithreading

  1182. - NEON optimizations for VP8

  1183. - Lots of deprecated API cruft removed

  1184. - fft and imdct optimizations for AVX (Sandy Bridge) processors

  1185. - showinfo filter added

  1186. - SMPTE 302M AES3 audio decoder

  1187. - Apple Core Audio Format muxer

  1188. - 9 bits and 10 bits per sample support in the H.264 decoder

  1189. - 9 bits and 10 bits FFV1 encoding / decoding

  1190. - split filter added

  1191. - select filter added

  1192. - sdl output device added

  1193. - libmpcodecs video filter support (3 times as many filters than before)

  1194. - mpeg2 aspect ratio dection fixed

  1195. - libxvid aspect pickiness fixed

  1196. - Frame multithreaded decoding

  1197. - E-AC-3 audio encoder

  1198. - ac3enc: add channel coupling support

  1199. - floating-point sample format support to the ac3, eac3, dca, aac, and vorbis decoders.

  1200. - H264/MPEG frame-level multi-threading

  1201. - All av_metadata_* functions renamed to av_dict_* and moved to libavutil

  1202. - 4:4:4 H.264 decoding support

  1203. - 10-bit H.264 optimizations for x86

  1204. - lut, lutrgb, and lutyuv filters added

  1205. - buffersink libavfilter sink added

  1206. - Bump libswscale for recently reported ABI break

  1207. - New J2K encoder (via OpenJPEG)

  1208. 

  1209. 

  1210. version 0.7:

  1211. 

  1212. - all the changes for 0.8, but keeping API/ABI compatibility with the 0.6 release

  1213. 

  1214. 

  1215. version 0.6:

  1216. 

  1217. - PB-frame decoding for H.263

  1218. - deprecated vhook subsystem removed

  1219. - deprecated old scaler removed

  1220. - VQF demuxer

  1221. - Alpha channel scaler

  1222. - PCX encoder

  1223. - RTP packetization of H.263

  1224. - RTP packetization of AMR

  1225. - RTP depacketization of Vorbis

  1226. - CorePNG decoding support

  1227. - Cook multichannel decoding support

  1228. - introduced avlanguage helpers in libavformat

  1229. - 8088flex TMV demuxer and decoder

  1230. - per-stream language-tags extraction in asfdec

  1231. - V210 decoder and encoder

  1232. - remaining GPL parts in AC-3 decoder converted to LGPL

  1233. - QCP demuxer

  1234. - SoX native format muxer and demuxer

  1235. - AMR-NB decoding/encoding, AMR-WB decoding via OpenCORE libraries

  1236. - DPX image decoder

  1237. - Electronic Arts Madcow decoder

  1238. - DivX (XSUB) subtitle encoder

  1239. - nonfree libamr support for AMR-NB/WB decoding/encoding removed

  1240. - experimental AAC encoder

  1241. - RTP depacketization of ASF and RTSP from WMS servers

  1242. - RTMP support in libavformat

  1243. - noX handling for OPT_BOOL X options

  1244. - Wave64 demuxer

  1245. - IEC-61937 compatible Muxer

  1246. - TwinVQ decoder

  1247. - Bluray (PGS) subtitle decoder

  1248. - LPCM support in MPEG-TS (HDMV RID as found on Blu-ray disks)

  1249. - WMA Pro decoder

  1250. - Core Audio Format demuxer

  1251. - ATRAC1 decoder

  1252. - MD STUDIO audio demuxer

  1253. - RF64 support in WAV demuxer

  1254. - MPEG-4 Audio Lossless Coding (ALS) decoder

  1255. - -formats option split into -formats, -codecs, -bsfs, and -protocols

  1256. - IV8 demuxer

  1257. - CDG demuxer and decoder

  1258. - R210 decoder

  1259. - Auravision Aura 1 and 2 decoders

  1260. - Deluxe Paint Animation playback system

  1261. - SIPR decoder

  1262. - Adobe Filmstrip muxer and demuxer

  1263. - RTP depacketization of H.263

  1264. - Bink demuxer and audio/video decoders

  1265. - enable symbol versioning by default for linkers that support it

  1266. - IFF PBM/ILBM bitmap decoder

  1267. - concat protocol

  1268. - Indeo 5 decoder

  1269. - RTP depacketization of AMR

  1270. - WMA Voice decoder

  1271. - ffprobe tool

  1272. - AMR-NB decoder

  1273. - RTSP muxer

  1274. - HE-AAC v1 decoder

  1275. - Kega Game Video (KGV1) decoder

  1276. - VorbisComment writing for FLAC, Ogg FLAC and Ogg Speex files

  1277. - RTP depacketization of Theora

  1278. - HTTP Digest authentication

  1279. - RTMP/RTMPT/RTMPS/RTMPE/RTMPTE protocol support via librtmp

  1280. - Psygnosis YOP demuxer and video decoder

  1281. - spectral extension support in the E-AC-3 decoder

  1282. - unsharp video filter

  1283. - RTP hinting in the mov/3gp/mp4 muxer

  1284. - Dirac in Ogg demuxing

  1285. - seek to keyframes in Ogg

  1286. - 4:2:2 and 4:4:4 Theora decoding

  1287. - 35% faster VP3/Theora decoding

  1288. - faster AAC decoding

  1289. - faster H.264 decoding

  1290. - RealAudio 1.0 (14.4K) encoder

  1291. 

  1292. 

  1293. version 0.5:

  1294. 

  1295. - DV50 AKA DVCPRO50 encoder, decoder, muxer and demuxer

  1296. - TechSmith Camtasia (TSCC) video decoder

  1297. - IBM Ultimotion (ULTI) video decoder

  1298. - Sierra Online audio file demuxer and decoder

  1299. - Apple QuickDraw (qdrw) video decoder

  1300. - Creative ADPCM audio decoder (16 bits as well as 8 bits schemes)

  1301. - Electronic Arts Multimedia (WVE/UV2/etc.) file demuxer

  1302. - Miro VideoXL (VIXL) video decoder

  1303. - H.261 video encoder

  1304. - QPEG video decoder

  1305. - Nullsoft Video (NSV) file demuxer

  1306. - Shorten audio decoder

  1307. - LOCO video decoder

  1308. - Apple Lossless Audio Codec (ALAC) decoder

  1309. - Winnov WNV1 video decoder

  1310. - Autodesk Animator Studio Codec (AASC) decoder

  1311. - Indeo 2 video decoder

  1312. - Fraps FPS1 video decoder

  1313. - Snow video encoder/decoder

  1314. - Sonic audio encoder/decoder

  1315. - Vorbis audio decoder

  1316. - Macromedia ADPCM decoder

  1317. - Duck TrueMotion 2 video decoder

  1318. - support for decoding FLX and DTA extensions in FLIC files

  1319. - H.264 custom quantization matrices support

  1320. - ffserver fixed, it should now be usable again

  1321. - QDM2 audio decoder

  1322. - Real Cooker audio decoder

  1323. - TrueSpeech audio decoder

  1324. - WMA2 audio decoder fixed, now all files should play correctly

  1325. - RealAudio 14.4 and 28.8 decoders fixed

  1326. - JPEG-LS decoder

  1327. - build system improvements

  1328. - tabs and trailing whitespace removed from the codebase

  1329. - CamStudio video decoder

  1330. - AIFF/AIFF-C audio format, encoding and decoding

  1331. - ADTS AAC file reading and writing

  1332. - Creative VOC file reading and writing

  1333. - American Laser Games multimedia (*.mm) playback system

  1334. - Zip Motion Blocks Video decoder

  1335. - improved Theora/VP3 decoder

  1336. - True Audio (TTA) decoder

  1337. - AVS demuxer and video decoder

  1338. - JPEG-LS encoder

  1339. - Smacker demuxer and decoder

  1340. - NuppelVideo/MythTV demuxer and RTjpeg decoder

  1341. - KMVC decoder

  1342. - MPEG-2 intra VLC support

  1343. - MPEG-2 4:2:2 encoder

  1344. - Flash Screen Video decoder

  1345. - GXF demuxer

  1346. - Chinese AVS decoder

  1347. - GXF muxer

  1348. - MXF demuxer

  1349. - VC-1/WMV3/WMV9 video decoder

  1350. - MacIntel support

  1351. - AviSynth support

  1352. - VMware video decoder

  1353. - VP5 video decoder

  1354. - VP6 video decoder

  1355. - WavPack lossless audio decoder

  1356. - Targa (.TGA) picture decoder

  1357. - Vorbis audio encoder

  1358. - Delphine Software .cin demuxer/audio and video decoder

  1359. - Tiertex .seq demuxer/video decoder

  1360. - MTV demuxer

  1361. - TIFF picture encoder and decoder

  1362. - GIF picture decoder

  1363. - Intel Music Coder decoder

  1364. - Zip Motion Blocks Video encoder

  1365. - Musepack decoder

  1366. - Flash Screen Video encoder

  1367. - Theora encoding via libtheora

  1368. - BMP encoder

  1369. - WMA encoder

  1370. - GSM-MS encoder and decoder

  1371. - DCA decoder

  1372. - DXA demuxer and decoder

  1373. - DNxHD decoder

  1374. - Gamecube movie (.THP) playback system

  1375. - Blackfin optimizations

  1376. - Interplay C93 demuxer and video decoder

  1377. - Bethsoft VID demuxer and video decoder

  1378. - CRYO APC demuxer

  1379. - ATRAC3 decoder

  1380. - V.Flash PTX decoder

  1381. - RoQ muxer, RoQ audio encoder

  1382. - Renderware TXD demuxer and decoder

  1383. - extern C declarations for C++ removed from headers

  1384. - sws_flags command line option

  1385. - codebook generator

  1386. - RoQ video encoder

  1387. - QTRLE encoder

  1388. - OS/2 support removed and restored again

  1389. - AC-3 decoder

  1390. - NUT muxer

  1391. - additional SPARC (VIS) optimizations

  1392. - Matroska muxer

  1393. - slice-based parallel H.264 decoding

  1394. - Monkey's Audio demuxer and decoder

  1395. - AMV audio and video decoder

  1396. - DNxHD encoder

  1397. - H.264 PAFF decoding

  1398. - Nellymoser ASAO decoder

  1399. - Beam Software SIFF demuxer and decoder

  1400. - libvorbis Vorbis decoding removed in favor of native decoder

  1401. - IntraX8 (J-Frame) subdecoder for WMV2 and VC-1

  1402. - Ogg (Theora, Vorbis and FLAC) muxer

  1403. - The "device" muxers and demuxers are now in a new libavdevice library

  1404. - PC Paintbrush PCX decoder

  1405. - Sun Rasterfile decoder

  1406. - TechnoTrend PVA demuxer

  1407. - Linux Media Labs MPEG-4 (LMLM4) demuxer

  1408. - AVM2 (Flash 9) SWF muxer

  1409. - QT variant of IMA ADPCM encoder

  1410. - VFW grabber

  1411. - iPod/iPhone compatible mp4 muxer

  1412. - Mimic decoder

  1413. - MSN TCP Webcam stream demuxer

  1414. - RL2 demuxer / decoder

  1415. - IFF demuxer

  1416. - 8SVX audio decoder

  1417. - non-recursive Makefiles

  1418. - BFI demuxer

  1419. - MAXIS EA XA (.xa) demuxer / decoder

  1420. - BFI video decoder

  1421. - OMA demuxer

  1422. - MLP/TrueHD decoder

  1423. - Electronic Arts CMV decoder

  1424. - Motion Pixels Video decoder

  1425. - Motion Pixels MVI demuxer

  1426. - removed animated GIF decoder/demuxer

  1427. - D-Cinema audio muxer

  1428. - Electronic Arts TGV decoder

  1429. - Apple Lossless Audio Codec (ALAC) encoder

  1430. - AAC decoder

  1431. - floating point PCM encoder/decoder

  1432. - MXF muxer

  1433. - DV100 AKA DVCPRO HD decoder and demuxer

  1434. - E-AC-3 support added to AC-3 decoder

  1435. - Nellymoser ASAO encoder

  1436. - ASS and SSA demuxer and muxer

  1437. - liba52 wrapper removed

  1438. - SVQ3 watermark decoding support

  1439. - Speex decoding via libspeex

  1440. - Electronic Arts TGQ decoder

  1441. - RV40 decoder

  1442. - QCELP / PureVoice decoder

  1443. - RV30 decoder

  1444. - hybrid WavPack support

  1445. - R3D REDCODE demuxer

  1446. - ALSA support for playback and record

  1447. - Electronic Arts TQI decoder

  1448. - OpenJPEG based JPEG 2000 decoder

  1449. - NC (NC4600) camera file demuxer

  1450. - Gopher client support

  1451. - MXF D-10 muxer

  1452. - generic metadata API

  1453. - flash ScreenVideo2 encoder

  1454. 

  1455. 

  1456. version 0.4.9-pre1:

  1457. 

  1458. - DV encoder, DV muxer

  1459. - Microsoft RLE video decoder

  1460. - Microsoft Video-1 decoder

  1461. - Apple Animation (RLE) decoder

  1462. - Apple Graphics (SMC) decoder

  1463. - Apple Video (RPZA) decoder

  1464. - Cinepak decoder

  1465. - Sega FILM (CPK) file demuxer

  1466. - Westwood multimedia support (VQA & AUD files)

  1467. - Id Quake II CIN playback support

  1468. - 8BPS video decoder

  1469. - FLIC playback support

  1470. - RealVideo 2.0 (RV20) decoder

  1471. - Duck TrueMotion v1 (DUCK) video decoder

  1472. - Sierra VMD demuxer and video decoder

  1473. - MSZH and ZLIB decoder support

  1474. - SVQ1 video encoder

  1475. - AMR-WB support

  1476. - PPC optimizations

  1477. - rate distortion optimal cbp support

  1478. - rate distorted optimal ac prediction for MPEG-4

  1479. - rate distorted optimal lambda->qp support

  1480. - AAC encoding with libfaac

  1481. - Sunplus JPEG codec (SP5X) support

  1482. - use Lagrange multiplier instead of QP for ratecontrol

  1483. - Theora/VP3 decoding support

  1484. - XA and ADX ADPCM codecs

  1485. - export MPEG-2 active display area / pan scan

  1486. - Add support for configuring with IBM XLC

  1487. - floating point AAN DCT

  1488. - initial support for zygo video (not complete)

  1489. - RGB ffv1 support

  1490. - new audio/video parser API

  1491. - av_log() system

  1492. - av_read_frame() and av_seek_frame() support

  1493. - missing last frame fixes

  1494. - seek by mouse in ffplay

  1495. - noise reduction of DCT coefficients

  1496. - H.263 OBMC & 4MV support

  1497. - H.263 alternative inter vlc support

  1498. - H.263 loop filter

  1499. - H.263 slice structured mode

  1500. - interlaced DCT support for MPEG-2 encoding

  1501. - stuffing to stay above min_bitrate

  1502. - MB type & QP visualization

  1503. - frame stepping for ffplay

  1504. - interlaced motion estimation

  1505. - alternate scantable support

  1506. - SVCD scan offset support

  1507. - closed GOP support

  1508. - SSE2 FDCT

  1509. - quantizer noise shaping

  1510. - G.726 ADPCM audio codec

  1511. - MS ADPCM encoding

  1512. - multithreaded/SMP motion estimation

  1513. - multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263

  1514. - multithreaded/SMP decoding for MPEG-2

  1515. - FLAC decoder

  1516. - Metrowerks CodeWarrior suppport

  1517. - H.263+ custom pcf support

  1518. - nicer output for 'ffmpeg -formats'

  1519. - Matroska demuxer

  1520. - SGI image format, encoding and decoding

  1521. - H.264 loop filter support

  1522. - H.264 CABAC support

  1523. - nicer looking arrows for the motion vector visualization

  1524. - improved VCD support

  1525. - audio timestamp drift compensation

  1526. - MPEG-2 YUV 422/444 support

  1527. - polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample

  1528. - better image scaling

  1529. - H.261 support

  1530. - correctly interleave packets during encoding

  1531. - VIS optimized motion compensation

  1532. - intra_dc_precision>0 encoding support

  1533. - support reuse of motion vectors/MB types/field select values of the source video

  1534. - more accurate deblock filter

  1535. - padding support

  1536. - many optimizations and bugfixes

  1537. - FunCom ISS audio file demuxer and according ADPCM decoding

  1538. 

  1539. 

  1540. version 0.4.8:

  1541. 

  1542. - MPEG-2 video encoding (Michael)

  1543. - Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)

  1544. - Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson

  1545.   and Mario Brito)

  1546. - Xan DPCM audio decoder (Mario Brito)

  1547. - Interplay MVE playback subsystem (Mike Melanson)

  1548. - Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)

  1549. 

  1550. 

  1551. version 0.4.7:

  1552. 

  1553. - RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from mplayerhq

  1554.   (originally from public domain player for Amiga at http://www.honeypot.net/audio)

  1555. - current version now also compiles with older GCC (Fabrice)

  1556. - 4X multimedia playback system including 4xm file demuxer (Mike

  1557.   Melanson), and 4X video and audio codecs (Michael)

  1558. - Creative YUV (CYUV) decoder (Mike Melanson)

  1559. - FFV1 codec (our very simple lossless intra only codec, compresses much better

  1560.   than HuffYUV) (Michael)

  1561. - ASV1 (Asus), H.264, Intel indeo3 codecs have been added (various)

  1562. - tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with

  1563.   alpha support), JPEG YUV colorspace support. (Fabrice Bellard)

  1564. - ffplay has been replaced with a newer version which uses SDL (optionally)

  1565.   for multiplatform support (Fabrice)

  1566. - Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated

  1567.   by anonymous

  1568. - AMR format has been added (Johannes Carlsson)

  1569. - 3GP support has been added (Johannes Carlsson)

  1570. - VP3 codec has been added (Mike Melanson)

  1571. - more MPEG-1/2 fixes

  1572. - better multiplatform support, MS Visual Studio fixes (various)

  1573. - AltiVec optimizations (Magnus Damn and others)

  1574. - SH4 processor support has been added (BERO)

  1575. - new public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)

  1576. - VOB streaming support (Brian Foley)

  1577. - better MP3 autodetection (Andriy Rysin)

  1578. - qpel encoding (Michael)

  1579. - 4mv+b frames encoding finally fixed (Michael)

  1580. - chroma ME (Michael)

  1581. - 5 comparison functions for ME (Michael)

  1582. - B-frame encoding speedup (Michael)

  1583. - WMV2 codec (unfinished - Michael)

  1584. - user specified diamond size for EPZS (Michael)

  1585. - Playstation STR playback subsystem, still experimental (Mike and Michael)

  1586. - ASV2 codec (Michael)

  1587. - CLJR decoder (Alex)

  1588. 

  1589. .. And lots more new enhancements and fixes.

  1590. 

  1591. 

  1592. version 0.4.6:

  1593. 

  1594. - completely new integer only MPEG audio layer 1/2/3 decoder rewritten

  1595.   from scratch

  1596. - Recoded DCT and motion vector search with gcc (no longer depends on nasm)

  1597. - fix quantization bug in AC3 encoder

  1598. - added PCM codecs and format. Corrected WAV/AVI/ASF PCM issues

  1599. - added prototype ffplay program

  1600. - added GOB header parsing on H.263/H.263+ decoder (Juanjo)

  1601. - bug fix on MCBPC tables of H.263 (Juanjo)

  1602. - bug fix on DC coefficients of H.263 (Juanjo)

  1603. - added Advanced Prediction Mode on H.263/H.263+ decoder (Juanjo)

  1604. - now we can decode H.263 streams found in QuickTime files (Juanjo)

  1605. - now we can decode H.263 streams found in VIVO v1 files(Juanjo)

  1606. - preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)

  1607. - added GOB header for H.263/H.263+ coding on RTP mode (Juanjo)

  1608. - now H.263 picture size is returned on the first decoded frame (Juanjo)

  1609. - added first regression tests

  1610. - added MPEG-2 TS demuxer

  1611. - new demux API for libav

  1612. - more accurate and faster IDCT (Michael)

  1613. - faster and entropy-controlled motion search (Michael)

  1614. - two pass video encoding (Michael)

  1615. - new video rate control (Michael)

  1616. - added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)

  1617. - great performance improvement of video encoders and decoders (Michael)

  1618. - new and faster bit readers and vlc parsers (Michael)

  1619. - high quality encoding mode: tries all macroblock/VLC types (Michael)

  1620. - added DV video decoder

  1621. - preliminary RTP/RTSP support in ffserver and libavformat

  1622. - H.263+ AIC decoding/encoding support (Juanjo)

  1623. - VCD MPEG-PS mode (Juanjo)

  1624. - PSNR stuff (Juanjo)

  1625. - simple stats output (Juanjo)

  1626. - 16-bit and 15-bit RGB/BGR/GBR support (Bisqwit)

  1627. 

  1628. 

  1629. version 0.4.5:

  1630. 

  1631. - some header fixes (Zdenek Kabelac <kabi at informatics.muni.cz>)

  1632. - many MMX optimizations (Nick Kurshev <nickols_k at mail.ru>)

  1633. - added configure system (actually a small shell script)

  1634. - added MPEG audio layer 1/2/3 decoding using LGPL'ed mpglib by

  1635.   Michael Hipp (temporary solution - waiting for integer only

  1636.   decoder)

  1637. - fixed VIDIOCSYNC interrupt

  1638. - added Intel H.263 decoding support ('I263' AVI fourCC)

  1639. - added Real Video 1.0 decoding (needs further testing)

  1640. - simplified image formats again. Added PGM format (=grey

  1641.   pgm). Renamed old PGM to PGMYUV.

  1642. - fixed msmpeg4 slice issues (tell me if you still find problems)

  1643. - fixed OpenDivX bugs with newer versions (added VOL header decoding)

  1644. - added support for MPlayer interface

  1645. - added macroblock skip optimization

  1646. - added MJPEG decoder

  1647. - added mmx/mmxext IDCT from libmpeg2

  1648. - added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer

  1649.   <celer at shell.scrypt.net>)

  1650. - added pixel format conversion layer (e.g. for MJPEG or PPM)

  1651. - added deinterlacing option

  1652. - MPEG-1/2 fixes

  1653. - MPEG-4 vol header fixes (Jonathan Marsden <snmjbm at pacbell.net>)

  1654. - ARM optimizations (Lionel Ulmer <lionel.ulmer at free.fr>).

  1655. - Windows porting of file converter

  1656. - added MJPEG raw format (input/output)

  1657. - added JPEG image format support (input/output)

  1658. 

  1659. 

  1660. version 0.4.4:

  1661. 

  1662. - fixed some std header definitions (Bjorn Lindgren

  1663.   <bjorn.e.lindgren at telia.com>).

  1664. - added MPEG demuxer (MPEG-1 and 2 compatible).

  1665. - added ASF demuxer

  1666. - added prototype RM demuxer

  1667. - added AC3 decoding (done with libac3 by Aaron Holtzman)

  1668. - added decoding codec parameter guessing (.e.g. for MPEG, because the

  1669.   header does not include them)

  1670. - fixed header generation in MPEG-1, AVI and ASF muxer: wmplayer can now

  1671.   play them (only tested video)

  1672. - fixed H.263 white bug

  1673. - fixed phase rounding in img resample filter

  1674. - add MMX code for polyphase img resample filter

  1675. - added CPU autodetection

  1676. - added generic title/author/copyright/comment string handling (ASF and RM

  1677.   use them)

  1678. - added SWF demux to extract MP3 track (not usable yet because no MP3

  1679.   decoder)

  1680. - added fractional frame rate support

  1681. - codecs are no longer searched by read_header() (should fix ffserver

  1682.   segfault)

  1683. 

  1684. 

  1685. version 0.4.3:

  1686. 

  1687. - BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq at amsat.org>)

  1688. - fixed raw yuv output

  1689. - added motion rounding support in MPEG-4

  1690. - fixed motion bug rounding in MSMPEG4

  1691. - added B-frame handling in video core

  1692. - added full MPEG-1 decoding support

  1693. - added partial (frame only) MPEG-2 support

  1694. - changed the FOURCC code for H.263 to "U263" to be able to see the

  1695.   +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with

  1696.   this +codec ;) (JuanJo).

  1697. - Halfpel motion estimation after MB type selection (JuanJo)

  1698. - added pgm and .Y.U.V output format

  1699. - suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or

  1700.   output.

  1701. - added pgmpipe I/O format (original patch from Martin Aumueller

  1702.   <lists at reserv.at>, but changed completely since we use a format

  1703.   instead of a protocol)

  1704. 

  1705. 

  1706. version 0.4.2:

  1707. 

  1708. - added H.263/MPEG-4/MSMPEG4 decoding support. MPEG-4 decoding support

  1709.   (for OpenDivX) is almost complete: 8x8 MVs and rounding are

  1710.   missing. MSMPEG4 support is complete.

  1711. - added prototype MPEG-1 decoder. Only I- and P-frames handled yet (it

  1712.   can decode ffmpeg MPEGs :-)).

  1713. - added libavcodec API documentation (see apiexample.c).

  1714. - fixed image polyphase bug (the bottom of some images could be

  1715.   greenish)

  1716. - added support for non clipped motion vectors (decoding only)

  1717.   and image sizes non-multiple of 16

  1718. - added support for AC prediction (decoding only)

  1719. - added file overwrite confirmation (can be disabled with -y)

  1720. - added custom size picture to H.263 using H.263+ (Juanjo)

  1721. 

  1722. 

  1723. version 0.4.1:

  1724. 

  1725. - added MSMPEG4 (aka DivX) compatible encoder. Changed default codec

  1726.   of AVI and ASF to DIV3.

  1727. - added -me option to set motion estimation method

  1728.   (default=log). suppressed redundant -hq option.

  1729. - added options -acodec and -vcodec to force a given codec (useful for

  1730.   AVI for example)

  1731. - fixed -an option

  1732. - improved dct_quantize speed

  1733. - factorized some motion estimation code

  1734. 

  1735. 

  1736. version 0.4.0:

  1737. 

  1738. - removing grab code from ffserver and moved it to ffmpeg. Added

  1739.   multistream support to ffmpeg.

  1740. - added timeshifting support for live feeds (option ?date=xxx in the

  1741.   URL)

  1742. - added high quality image resize code with polyphase filter (need

  1743.   mmx/see optimization). Enable multiple image size support in ffserver.

  1744. - added multi live feed support in ffserver

  1745. - suppressed master feature from ffserver (it should be done with an

  1746.   external program which opens the .ffm url and writes it to another

  1747.   ffserver)

  1748. - added preliminary support for video stream parsing (WAV and AVI half

  1749.   done). Added proper support for audio/video file conversion in

  1750.   ffmpeg.

  1751. - added preliminary support for video file sending from ffserver

  1752. - redesigning I/O subsystem: now using URL based input and output

  1753.   (see avio.h)

  1754. - added WAV format support

  1755. - added "tty user interface" to ffmpeg to stop grabbing gracefully

  1756. - added MMX/SSE optimizations to SAD (Sums of Absolutes Differences)

  1757.   (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo at atmlab.utfsm.cl>)

  1758. - added MMX DCT from mpeg2_movie 1.5 (Juanjo)

  1759. - added new motion estimation algorithms, log and phods (Juanjo)

  1760. - changed directories: libav for format handling, libavcodec for

  1761.   codecs

  1762. 

  1763. 

  1764. version 0.3.4:

  1765. 

  1766. - added stereo in MPEG audio encoder

  1767. 

  1768. 

  1769. version 0.3.3:

  1770. 

  1771. - added 'high quality' mode which use motion vectors. It can be used in

  1772.   real time at low resolution.

  1773. - fixed rounding problems which caused quality problems at high

  1774.   bitrates and large GOP size

  1775. 

  1776. 

  1777. version 0.3.2: small fixes

  1778. 

  1779. - ASF fixes

  1780. - put_seek bug fix

  1781. 

  1782. 

  1783. version 0.3.1: added avi/divx support

  1784. 

  1785. - added AVI support

  1786. - added MPEG-4 codec compatible with OpenDivX. It is based on the H.263 codec

  1787. - added sound for flash format (not tested)

  1788. 

  1789. 

  1790. version 0.3: initial public release