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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. - v360 filter

  6. - Intel QSV-accelerated MJPEG decoding

  7. - Intel QSV-accelerated VP9 decoding

  8. 

  9. version 4.2:

  10. - tpad filter

  11. - AV1 decoding support through libdav1d

  12. - dedot filter

  13. - chromashift and rgbashift filters

  14. - freezedetect filter

  15. - truehd_core bitstream filter

  16. - dhav demuxer

  17. - PCM-DVD encoder

  18. - GIF parser

  19. - vividas demuxer

  20. - hymt decoder

  21. - anlmdn filter

  22. - maskfun filter

  23. - hcom demuxer and decoder

  24. - ARBC decoder

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

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

  27. - removed libndi-newtek

  28. - agm decoder

  29. - KUX demuxer

  30. - AV1 frame split bitstream filter

  31. - lscr decoder

  32. - lagfun filter

  33. - asoftclip filter

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

  35. - colorhold filter

  36. - xmedian filter

  37. - asr filter

  38. - showspatial multimedia filter

  39. - VP4 video decoder

  40. - IFV demuxer

  41. - derain filter

  42. - deesser filter

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

  44. - add support for using clang to compile CUDA kernels

  45. 

  46. 

  47. version 4.1:

  48. - deblock filter

  49. - tmix filter

  50. - amplify filter

  51. - fftdnoiz filter

  52. - aderivative and aintegral audio filters

  53. - pal75bars and pal100bars video filter sources

  54. - support mbedTLS based TLS

  55. - adeclick filter

  56. - adeclip filter

  57. - libtensorflow backend for DNN based filters like srcnn

  58. - vc1 decoder is now bit-exact

  59. - ATRAC9 decoder

  60. - lensfun wrapper filter

  61. - colorconstancy filter

  62. - AVS2 video decoder via libdavs2

  63. - IMM4 video decoder

  64. - Brooktree ProSumer video decoder

  65. - MatchWare Screen Capture Codec decoder

  66. - WinCam Motion Video decoder

  67. - 1D LUT filter (lut1d)

  68. - RemotelyAnywhere Screen Capture decoder

  69. - cue and acue filters

  70. - support for AV1 in MP4

  71. - transpose_npp filter

  72. - AVS2 video encoder via libxavs2

  73. - amultiply filter

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

  75. - acrossover filter

  76. - ilbc decoder

  77. - audio denoiser as afftdn filter

  78. - AV1 parser

  79. - SER demuxer

  80. - sinc audio filter source

  81. - chromahold filter

  82. - setparams filter

  83. - vibrance filter

  84. - decoding S12M timecode in h264

  85. - xstack filter

  86. - pcm vidc decoder and encoder

  87. - (a)graphmonitor filter

  88. - yadif_cuda filter

  89. 

  90. 

  91. version 4.0:

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

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

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

  95. - VDA dropped (use VideoToolbox instead)

  96. - MagicYUV encoder

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

  98. - TiVo ty/ty+ demuxer

  99. - Intel QSV-accelerated MJPEG encoding

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

  101. - native aptX and aptX HD encoder and decoder

  102. - Raw aptX and aptX HD muxer and demuxer

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

  104. - Intel QSV-accelerated overlay filter

  105. - mcompand audio filter

  106. - acontrast audio filter

  107. - OpenCL overlay filter

  108. - video mix filter

  109. - video normalize filter

  110. - audio lv2 wrapper filter

  111. - VAAPI MJPEG and VP8 decoding

  112. - AMD AMF H.264 and HEVC encoders

  113. - video fillborders filter

  114. - video setrange filter

  115. - nsp demuxer

  116. - support LibreSSL (via libtls)

  117. - AVX-512/ZMM support added

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

  119.   version is Windows Vista.

  120. - deconvolve video filter

  121. - entropy video filter

  122. - hilbert audio filter source

  123. - aiir audio filter

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

  125. - Removed the ffserver program

  126. - Removed the ffmenc and ffmdec muxer and demuxer

  127. - VideoToolbox HEVC encoder and hwaccel

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

  129. - Add android_camera indev

  130. - codec2 en/decoding via libcodec2

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

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

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

  134. - native SBC encoder and decoder

  135. - drmeter audio filter

  136. - hapqa_extract bitstream filter

  137. - filter_units bitstream filter

  138. - AV1 Support through libaom

  139. - E-AC-3 dependent frames support

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

  141. - Haivision SRT protocol via libsrt

  142. - segafilm muxer

  143. - vfrdet filter

  144. - SRCNN filter

  145. 

  146. 

  147. version 3.4:

  148. - deflicker video filter

  149. - doubleweave video filter

  150. - lumakey video filter

  151. - pixscope video filter

  152. - oscilloscope video filter

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

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

  155. - afir audio filter

  156. - scale_cuda CUDA based video scale filter

  157. - librsvg support for svg rasterization

  158. - crossfeed audio filter

  159. - spec compliant VP9 muxing support in MP4

  160. - remove the libnut muxer/demuxer wrappers

  161. - remove the libschroedinger encoder/decoder wrappers

  162. - surround audio filter

  163. - sofalizer filter switched to libmysofa

  164. - Gremlin Digital Video demuxer and decoder

  165. - headphone audio filter

  166. - superequalizer audio filter

  167. - roberts video filter

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

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

  170. - additional frame format support for Interplay MVE movies

  171. - support for decoding through D3D11VA in ffmpeg

  172. - limiter video filter

  173. - libvmaf video filter

  174. - Dolby E decoder and SMPTE 337M demuxer

  175. - unpremultiply video filter

  176. - tlut2 video filter

  177. - floodfill video filter

  178. - pseudocolor video filter

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

  180. - NewTek NDI input/output device

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

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

  183.   They must always be used by name.

  184. - FITS demuxer and decoder

  185. - FITS muxer and encoder

  186. - add --disable-autodetect build switch

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

  188. - despill video filter

  189. - haas audio filter

  190. - SUP/PGS subtitle muxer

  191. - convolve video filter

  192. - VP9 tile threading support

  193. - KMS screen grabber

  194. - CUDA thumbnail filter

  195. - V4L2 mem2mem HW assisted codecs

  196. - Rockchip MPP hardware decoding

  197. - vmafmotion video filter

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

  199. 

  200. 

  201. version 3.3:

  202. - CrystalHD decoder moved to new decode API

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

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

  205. - premultiply video filter

  206. - Support for spherical videos

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

  208. - PSD Decoder

  209. - 16.8 floating point pcm decoder

  210. - 24.0 floating point pcm decoder

  211. - Apple Pixlet decoder

  212. - QDMC audio decoder

  213. - NewTek SpeedHQ decoder

  214. - MIDI Sample Dump Standard demuxer

  215. - readeia608 filter

  216. - Sample Dump eXchange demuxer

  217. - abitscope multimedia filter

  218. - Scenarist Closed Captions demuxer and muxer

  219. - threshold filter

  220. - midequalizer filter

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

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

  223. - FM Screen Capture Codec decoder

  224. - native Opus encoder

  225. - ScreenPressor decoder

  226. - incomplete ClearVideo decoder

  227. - Intel QSV video scaling and deinterlacing filters

  228. - Support MOV with multiple sample description tables

  229. - XPM decoder

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

  231. - MPEG-7 Video Signature filter

  232. - Removed asyncts filter (use af_aresample instead)

  233. - Intel QSV-accelerated VP8 video decoding

  234. - VAAPI-accelerated deinterlacing

  235. 

  236. 

  237. version 3.2:

  238. - libopenmpt demuxer

  239. - tee protocol

  240. - Changed metadata print option to accept general urls

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

  242. - VP8 in Ogg muxing

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

  244. - 16-bit support in curves filter and selectivecolor filter

  245. - OpenH264 decoder wrapper

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

  247. - True Audio (TTA) muxer

  248. - crystalizer audio filter

  249. - acrusher audio filter

  250. - bitplanenoise video filter

  251. - floating point support in als decoder

  252. - fifo muxer

  253. - maskedclamp filter

  254. - hysteresis filter

  255. - lut2 filter

  256. - yuvtestsrc filter

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

  258. - vaguedenoiser filter

  259. - added threads option per filter instance

  260. - weave filter

  261. - gblur filter

  262. - avgblur filter

  263. - sobel and prewitt filter

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

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

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

  267. - sdl2 output device and ffplay support

  268. - sdl1 output device and sdl1 support removed

  269. - extended mov edit list support

  270. - libfaac encoder removed

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

  272. - sidedata video and asidedata audio filter

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

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

  275. 

  276. 

  277. version 3.1:

  278. - DXVA2-accelerated HEVC Main10 decoding

  279. - fieldhint filter

  280. - loop video filter and aloop audio filter

  281. - Bob Weaver deinterlacing filter

  282. - firequalizer filter

  283. - datascope filter

  284. - bench and abench filters

  285. - ciescope filter

  286. - protocol blacklisting API

  287. - MediaCodec H264 decoding

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

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

  290. - AudioToolbox audio decoders

  291. - AudioToolbox audio encoders

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

  293. - libdcadec removed

  294. - bitstream filter for extracting DTS core

  295. - ADPCM IMA DAT4 decoder

  296. - musx demuxer

  297. - aix demuxer

  298. - remap filter

  299. - hash and framehash muxers

  300. - colorspace filter

  301. - hdcd filter

  302. - readvitc filter

  303. - VAAPI-accelerated format conversion and scaling

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

  305. - Duck TrueMotion 2.0 Real Time decoder

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

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

  308. - DTS Express (LBR) decoder

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

  310. - IFF ANIM demuxer & decoder

  311. - Direct Stream Transfer (DST) decoder

  312. - loudnorm filter

  313. - MTAF demuxer and decoder

  314. - MagicYUV decoder

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

  316. - BitJazz SheerVideo decoder

  317. - CUDA CUVID H264/HEVC decoder

  318. - 10-bit depth support in native utvideo decoder

  319. - libutvideo wrapper removed

  320. - YUY2 Lossless Codec decoder

  321. - VideoToolbox H.264 encoder

  322. 

  323. 

  324. version 3.0:

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

  326. - DXV decoding

  327. - extrastereo filter

  328. - ocr filter

  329. - alimiter filter

  330. - stereowiden filter

  331. - stereotools filter

  332. - rubberband filter

  333. - tremolo filter

  334. - agate filter

  335. - chromakey filter

  336. - maskedmerge filter

  337. - Screenpresso SPV1 decoding

  338. - chromaprint fingerprinting muxer

  339. - ffplay dynamic volume control

  340. - displace filter

  341. - selectivecolor filter

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

  343. - ADPCM PSX decoder

  344. - 3dostr, dcstr, fsb, genh, vag, xvag, ads, msf, svag & vpk demuxer

  345. - zscale filter

  346. - wve demuxer

  347. - zero-copy Intel QSV transcoding in ffmpeg

  348. - shuffleframes filter

  349. - SDX2 DPCM decoder

  350. - vibrato filter

  351. - innoHeim/Rsupport Screen Capture Codec decoder

  352. - ADPCM AICA decoder

  353. - Interplay ACM demuxer and audio decoder

  354. - XMA1 & XMA2 decoder

  355. - realtime filter

  356. - anoisesrc audio filter source

  357. - IVR demuxer

  358. - compensationdelay filter

  359. - acompressor filter

  360. - support encoding 16-bit RLE SGI images

  361. - apulsator filter

  362. - sidechaingate audio filter

  363. - mipsdspr1 option has been renamed to mipsdsp

  364. - aemphasis filter

  365. - mips32r5 option has been removed

  366. - mips64r6 option has been removed

  367. - DXVA2-accelerated VP9 decoding

  368. - SOFAlizer: virtual binaural acoustics filter

  369. - VAAPI VP9 hwaccel

  370. - audio high-order multiband parametric equalizer

  371. - automatic bitstream filtering

  372. - showspectrumpic filter

  373. - libstagefright support removed

  374. - spectrumsynth filter

  375. - ahistogram filter

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

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

  378. - afftfilt filter

  379. - convolution filter

  380. - libquvi support removed

  381. - support for dvaudio in wav and avi

  382. - libaacplus and libvo-aacenc support removed

  383. - Cineform HD decoder

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

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

  386. - nnedi deinterlacer

  387. - streamselect video and astreamselect audio filter

  388. - swaprect filter

  389. - metadata video and ametadata audio filter

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

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

  392. 

  393. 

  394. version 2.8:

  395. - colorkey video filter

  396. - BFSTM/BCSTM demuxer

  397. - little-endian ADPCM_THP decoder

  398. - Hap decoder and encoder

  399. - DirectDraw Surface image/texture decoder

  400. - ssim filter

  401. - optional new ASF demuxer

  402. - showvolume filter

  403. - Many improvements to the JPEG 2000 decoder

  404. - Go2Meeting decoding support

  405. - adrawgraph audio and drawgraph video filter

  406. - removegrain video filter

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

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

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

  410. - libkvazaar HEVC encoder

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

  412. - Dynamic Audio Normalizer as dynaudnorm filter

  413. - Reverse video and areverse audio filter

  414. - Random filter

  415. - deband filter

  416. - AAC fixed-point decoding

  417. - sidechaincompress audio filter

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

  419. - acrossfade audio filter

  420. - allyuv and allrgb video sources

  421. - atadenoise video filter

  422. - OS X VideoToolbox support

  423. - aphasemeter filter

  424. - showfreqs filter

  425. - vectorscope filter

  426. - waveform filter

  427. - hstack and vstack filter

  428. - Support DNx100 (1440x1080@8)

  429. - VAAPI hevc hwaccel

  430. - VDPAU hevc hwaccel

  431. - framerate filter

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

  433. - Removed experimental flag from the JPEG 2000 encoder

  434. 

  435. 

  436. version 2.7:

  437. - FFT video filter

  438. - TDSC decoder

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

  440. - showwavespic filter

  441. - DTS decoding through libdcadec

  442. - Drop support for nvenc API before 5.0

  443. - nvenc HEVC encoder

  444. - Detelecine filter

  445. - Intel QSV-accelerated H.264 encoding

  446. - MMAL-accelerated H.264 decoding

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

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

  449. - WebM Live Chunk Muxer

  450. - nvenc level and tier options

  451. - chorus filter

  452. - Canopus HQ/HQA decoder

  453. - Automatically rotate videos based on metadata in ffmpeg

  454. - improved Quickdraw compatibility

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

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

  457. - Direct3D11-accelerated decoding

  458. - Support Secure Transport

  459. - Multipart JPEG demuxer

  460. 

  461. 

  462. version 2.6:

  463. - nvenc encoder

  464. - 10bit spp filter

  465. - colorlevels filter

  466. - RIFX format for *.wav files

  467. - RTP/mpegts muxer

  468. - non continuous cache protocol support

  469. - tblend filter

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

  471. - Camellia symmetric block cipher

  472. - OpenH264 encoder wrapper

  473. - VOC seeking support

  474. - Closed caption Decoder

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

  476. - showpalette filter

  477. - Twofish symmetric block cipher

  478. - Support DNx100 (960x720@8)

  479. - eq2 filter ported from libmpcodecs as eq filter

  480. - removed libmpcodecs

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

  482. - ported softpulldown filter from libmpcodecs as repeatfields filter

  483. - dcshift filter

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

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

  486. - palettegen and paletteuse filters

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

  488. - RTP depacketizer for DV (RFC 6469)

  489. - DXVA2-accelerated HEVC decoding

  490. - AAC ELD 480 decoding

  491. - Intel QSV-accelerated H.264 decoding

  492. - DSS SP decoder and DSS demuxer

  493. - Fix stsd atom corruption in DNxHD QuickTimes

  494. - Canopus HQX decoder

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

  496. - Port MIPS optimizations to 64-bit

  497. 

  498. 

  499. version 2.5:

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

  501. - SUP/PGS subtitle demuxer

  502. - ffprobe -show_pixel_formats option

  503. - CAST128 symmetric block cipher, ECB mode

  504. - STL subtitle demuxer and decoder

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

  506. - XCB-based screen-grabber

  507. - UDP-Lite support (RFC 3828)

  508. - xBR scaling filter

  509. - AVFoundation screen capturing support

  510. - ffserver supports codec private options

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

  512. - WebP muxer with animated WebP support

  513. - zygoaudio decoding support

  514. - APNG demuxer

  515. - postproc visualization support

  516. 

  517. 

  518. version 2.4:

  519. - Icecast protocol

  520. - ported lenscorrection filter from frei0r filter

  521. - large optimizations in dctdnoiz to make it usable

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

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

  524. - LZMA compression support in TIFF decoder

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

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

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

  528. - Matroska 3D support thorugh side data

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

  530. - silenceremove filter

  531. 

  532. 

  533. version 2.3:

  534. - AC3 fixed-point decoding

  535. - shuffleplanes filter

  536. - subfile protocol

  537. - Phantom Cine demuxer

  538. - replaygain data export

  539. - VP7 video decoder

  540. - Alias PIX image encoder and decoder

  541. - Improvements to the BRender PIX image decoder

  542. - Improvements to the XBM decoder

  543. - QTKit input device

  544. - improvements to OpenEXR image decoder

  545. - support decoding 16-bit RLE SGI images

  546. - GDI screen grabbing for Windows

  547. - alternative rendition support for HTTP Live Streaming

  548. - AVFoundation input device

  549. - Direct Stream Digital (DSD) decoder

  550. - Magic Lantern Video (MLV) demuxer

  551. - On2 AVC (Audio for Video) decoder

  552. - support for decoding through DXVA2 in ffmpeg

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

  554. - libx264 reference frames count limiting depending on level

  555. - native Opus decoder

  556. - display matrix export and rotation API

  557. - WebVTT encoder

  558. - showcqt multimedia filter

  559. - zoompan filter

  560. - signalstats filter

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

  562. - flanger filter

  563. - Image format auto-detection

  564. - LRC demuxer and muxer

  565. - Samba protocol (via libsmbclient)

  566. - WebM DASH Manifest muxer

  567. - libfribidi support in drawtext

  568. 

  569. 

  570. version 2.2:

  571. 

  572. - HNM version 4 demuxer and video decoder

  573. - Live HDS muxer

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

  575. - elbg filter

  576. - string validation in ffprobe

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

  578. - complete Voxware MetaSound decoder

  579. - remove mp3_header_compress bitstream filter

  580. - Windows resource files for shared libraries

  581. - aeval filter

  582. - stereoscopic 3d metadata handling

  583. - WebP encoding via libwebp

  584. - ATRAC3+ decoder

  585. - VP8 in Ogg demuxing

  586. - side & metadata support in NUT

  587. - framepack filter

  588. - XYZ12 rawvideo support in NUT

  589. - Exif metadata support in WebP decoder

  590. - OpenGL device

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

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

  593. - Mirillis FIC video decoder

  594. - Support DNx444

  595. - libx265 encoder

  596. - dejudder filter

  597. - Autodetect VDA like all other hardware accelerations

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

  599. 

  600. 

  601. version 2.1:

  602. 

  603. - aecho filter

  604. - perspective filter ported from libmpcodecs

  605. - ffprobe -show_programs option

  606. - compand filter

  607. - RTMP seek support

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

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

  610.   the -noaccurate_seek option.

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

  612.   data read from an input file

  613. - incomplete Voxware MetaSound decoder

  614. - read EXIF metadata from JPEG

  615. - DVB teletext decoder

  616. - phase filter ported from libmpcodecs

  617. - w3fdif filter

  618. - Opus support in Matroska

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

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

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

  622.   more consistent with other muxers.

  623. - adelay filter

  624. - pullup filter ported from libmpcodecs

  625. - ffprobe -read_intervals option

  626. - Lossless and alpha support for WebP decoder

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

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

  629. - mux chapters in ASF files

  630. - SFTP protocol (via libssh)

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

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

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

  634.   the skip_alpha flag.

  635. - ladspa wrapper filter

  636. - native VP9 decoder

  637. - dpx parser

  638. - max_error_rate parameter in ffmpeg

  639. - PulseAudio output device

  640. - ReplayGain scanner

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

  642. - Linux framebuffer output device

  643. - HEVC decoder

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

  645. - mergeplanes filter

  646. 

  647. 

  648. version 2.0:

  649. 

  650. - curves filter

  651. - reference-counting for AVFrame and AVPacket data

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

  653.   or vice versa

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

  655. - perms and aperms filters

  656. - audio filtering support in ffplay

  657. - 10% faster aac encoding on x86 and MIPS

  658. - sine audio filter source

  659. - WebP demuxing and decoding support

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

  661.   filtergraph description to be read from a file

  662. - OpenCL support

  663. - audio phaser filter

  664. - separatefields filter

  665. - libquvi demuxer

  666. - uniform options syntax across all filters

  667. - telecine filter

  668. - interlace filter

  669. - smptehdbars source

  670. - inverse telecine filters (fieldmatch and decimate)

  671. - colorbalance filter

  672. - colorchannelmixer filter

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

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

  675. - decent native animated GIF encoding

  676. - asetrate filter

  677. - interleave filter

  678. - timeline editing with filters

  679. - vidstabdetect and vidstabtransform filters for video stabilization using

  680.   the vid.stab library

  681. - astats filter

  682. - trim and atrim filters

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

  684.   transcoding audio

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

  686. - extractplanes filter

  687. - avectorscope filter

  688. - ADPCM DTK decoder

  689. - ADP demuxer

  690. - RSD demuxer

  691. - RedSpark demuxer

  692. - ADPCM IMA Radical decoder

  693. - zmq filters

  694. - DCT denoiser filter (dctdnoiz)

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

  696. - Apple Intermediate Codec decoder

  697. - Escape 130 video decoder

  698. - FTP protocol support

  699. - V4L2 output device

  700. - 3D LUT filter (lut3d)

  701. - SMPTE 302M audio encoder

  702. - support for slice multithreading in libavfilter

  703. - Hald CLUT support (generation and filtering)

  704. - VC-1 interlaced B-frame support

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

  706. - XVideo output device

  707. - vignette filter

  708. - True Audio (TTA) encoder

  709. - Go2Webinar decoder

  710. - mcdeint filter ported from libmpcodecs

  711. - sab filter ported from libmpcodecs

  712. - ffprobe -show_chapters option

  713. - WavPack encoding through libwavpack

  714. - rotate filter

  715. - spp filter ported from libmpcodecs

  716. - libgme support

  717. - psnr filter

  718. 

  719. 

  720. version 1.2:

  721. 

  722. - VDPAU hardware acceleration through normal hwaccel

  723. - SRTP support

  724. - Error diffusion dither in Swscale

  725. - Chained Ogg support

  726. - Theora Midstream reconfiguration support

  727. - EVRC decoder

  728. - audio fade filter

  729. - filtering audio with unknown channel layout

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

  731.   and treble audio filter

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

  733. - histogram filter

  734. - tee muxer

  735. - il filter ported from libmpcodecs

  736. - support ID3v2 tags in ASF files

  737. - encrypted TTA stream decoding support

  738. - RF64 support in WAV muxer

  739. - noise filter ported from libmpcodecs

  740. - Subtitles character encoding conversion

  741. - blend filter

  742. - stereo3d filter ported from libmpcodecs

  743. 

  744. 

  745. version 1.1:

  746. 

  747. - stream disposition information printing in ffprobe

  748. - filter for loudness analysis following EBU R128

  749. - Opus encoder using libopus

  750. - ffprobe -select_streams option

  751. - Pinnacle TARGA CineWave YUV16 decoder

  752. - TAK demuxer, decoder and parser

  753. - DTS-HD demuxer

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

  755. - FFM2 support

  756. - X-Face image encoder and decoder

  757. - 24-bit FLAC encoding

  758. - multi-channel ALAC encoding up to 7.1

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

  760. - subtitles raw text decoder

  761. - support for building DLLs using MSVC

  762. - LVF demuxer

  763. - ffescape tool

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

  765. - field filter ported from libmpcodecs

  766. - AVR demuxer

  767. - geq filter ported from libmpcodecs

  768. - remove ffserver daemon mode

  769. - AST muxer/demuxer

  770. - new expansion syntax for drawtext

  771. - BRender PIX image decoder

  772. - ffprobe -show_entries option

  773. - ffprobe -sections option

  774. - ADPCM IMA Dialogic decoder

  775. - BRSTM demuxer

  776. - animated GIF decoder and demuxer

  777. - PVF demuxer

  778. - subtitles filter

  779. - IRCAM muxer/demuxer

  780. - Paris Audio File demuxer

  781. - Virtual concatenation demuxer

  782. - VobSub demuxer

  783. - JSON captions for TED talks decoding support

  784. - SOX Resampler support in libswresample

  785. - aselect filter

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

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

  788. - Silicon Graphics Movie demuxer

  789. - apad filter

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

  791. - documentation split into per-component manuals

  792. - pp (postproc) filter ported from MPlayer

  793. - NIST Sphere demuxer

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

  795. - Sony Wave64 muxer

  796. - adobe and limelight publisher authentication in RTMP

  797. - data: URI scheme

  798. - support building on the Plan 9 operating system

  799. - kerndeint filter ported from MPlayer

  800. - histeq filter ported from VirtualDub

  801. - Megalux Frame demuxer

  802. - 012v decoder

  803. - Improved AVC Intra decoding support

  804. 

  805. 

  806. version 1.0:

  807. 

  808. - INI and flat output in ffprobe

  809. - Scene detection in libavfilter

  810. - Indeo Audio decoder

  811. - channelsplit audio filter

  812. - setnsamples audio filter

  813. - atempo filter

  814. - ffprobe -show_data option

  815. - RTMPT protocol support

  816. - iLBC encoding/decoding via libilbc

  817. - Microsoft Screen 1 decoder

  818. - join audio filter

  819. - audio channel mapping filter

  820. - Microsoft ATC Screen decoder

  821. - RTSP listen mode

  822. - TechSmith Screen Codec 2 decoder

  823. - AAC encoding via libfdk-aac

  824. - Microsoft Expression Encoder Screen decoder

  825. - RTMPS protocol support

  826. - RTMPTS protocol support

  827. - RTMPE protocol support

  828. - RTMPTE protocol support

  829. - showwaves and showspectrum filter

  830. - LucasArts SMUSH SANM playback support

  831. - LucasArts SMUSH VIMA audio decoder (ADPCM)

  832. - LucasArts SMUSH demuxer

  833. - SAMI, RealText and SubViewer demuxers and decoders

  834. - Heart Of Darkness PAF playback support

  835. - iec61883 device

  836. - asettb filter

  837. - new option: -progress

  838. - 3GPP Timed Text encoder/decoder

  839. - GeoTIFF decoder support

  840. - ffmpeg -(no)stdin option

  841. - Opus decoder using libopus

  842. - caca output device using libcaca

  843. - alphaextract and alphamerge filters

  844. - concat filter

  845. - flite filter

  846. - Canopus Lossless Codec decoder

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

  848. - MP2 encoding via TwoLAME

  849. - bmp parser

  850. - smptebars source

  851. - asetpts filter

  852. - hue filter

  853. - ICO muxer

  854. - SubRip encoder and decoder without embedded timing

  855. - edge detection filter

  856. - framestep filter

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

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

  859. - volume measurement filter

  860. - Ut Video encoder

  861. - Microsoft Screen 2 decoder

  862. - smartblur filter ported from MPlayer

  863. - CPiA decoder

  864. - decimate filter ported from MPlayer

  865. - RTP depacketization of JPEG

  866. - Smooth Streaming live segmenter muxer

  867. - F4V muxer

  868. - sendcmd and asendcmd filters

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

  870. - RTP packetization of JPEG

  871. - faststart option in the MOV/MP4 muxer

  872. - support for building with MSVC

  873. 

  874. 

  875. version 0.11:

  876. 

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

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

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

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

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

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

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

  884. - setfield filter

  885. - CDXL demuxer and decoder

  886. - Apple ProRes encoder

  887. - ffprobe -count_packets and -count_frames options

  888. - Sun Rasterfile Encoder

  889. - ID3v2 attached pictures reading and writing

  890. - WMA Lossless decoder

  891. - bluray protocol

  892. - blackdetect filter

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

  894. - swapuv filter

  895. - bbox filter

  896. - XBM encoder and decoder

  897. - RealAudio Lossless decoder

  898. - ZeroCodec decoder

  899. - tile video filter

  900. - Metal Gear Solid: The Twin Snakes demuxer

  901. - OpenEXR image decoder

  902. - removelogo filter

  903. - drop support for ffmpeg without libavfilter

  904. - drawtext video filter: fontconfig support

  905. - ffmpeg -benchmark_all option

  906. - super2xsai filter ported from libmpcodecs

  907. - add libavresample audio conversion library for compatibility

  908. - MicroDVD decoder

  909. - Avid Meridien (AVUI) encoder and decoder

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

  911. - complete audio filtering in libavfilter and ffmpeg

  912. - add fps filter

  913. - vorbis parser

  914. - png parser

  915. - audio mix filter

  916. - ffv1: support (draft) version 1.3

  917. 

  918. 

  919. version 0.10:

  920. 

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

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

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

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

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

  926. - SBaGen (SBG) binaural beats script demuxer

  927. - OpenMG Audio muxer

  928. - Timecode extraction in DV and MOV

  929. - thumbnail video filter

  930. - XML output in ffprobe

  931. - asplit audio filter

  932. - tinterlace video filter

  933. - astreamsync audio filter

  934. - amerge audio filter

  935. - ISMV (Smooth Streaming) muxer

  936. - GSM audio parser

  937. - SMJPEG muxer

  938. - XWD encoder and decoder

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

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

  941. - ffprobe -show_error option

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

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

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

  945. - ffprobe -show_frames option

  946. - silencedetect audio filter

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

  948. - rv34: frame-level multi-threading

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

  950. - Improved PGS subtitle decoder

  951. - dumpgraph option to lavfi device

  952. - r210 and r10k encoders

  953. - ffwavesynth decoder

  954. - aviocat tool

  955. - ffeval tool

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

  957. 

  958. 

  959. version 0.9:

  960. 

  961. - openal input device added

  962. - boxblur filter added

  963. - BWF muxer

  964. - Flash Screen Video 2 decoder

  965. - lavfi input device added

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

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

  968. easier to use. The changes are:

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

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

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

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

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

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

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

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

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

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

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

  980.       specifiers section in the avconv manual for details.

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

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

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

  984.       apply to the next input or output file.

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

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

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

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

  989.       each stream in the first input file.

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

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

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

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

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

  995.           output stream from the third input audio stream.

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

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

  998.           subtitle streams in the first input file.

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

  1000.           introduced. Negative mappings disable some streams from an already

  1001.           defined map. E.g. '-map 0 -map -0:a:1' means 'create output streams for

  1002.           all the stream in the first input file, except for the second audio

  1003.           stream'.

  1004.     * There is a new option -c (or -codec) for choosing the decoder/encoder to

  1005.       use, which makes it possible to precisely specify target stream(s) consistently with

  1006.       other options. E.g. -c:v lib264 sets the codec for all video streams, -c:a:0

  1007.       libvorbis sets the codec for the first audio stream and -c copy copies all

  1008.       the streams without reencoding. Old -vcodec/-acodec/-scodec options are now

  1009.       aliases to -c:v/a/s

  1010.     * It is now possible to precisely specify which stream should an AVOption

  1011.       apply to. E.g. -b:v:0 2M sets the bitrate for the first video stream, while

  1012.       -b:a 128k sets the bitrate for all audio streams. Note that the old -ab 128k

  1013.       syntax is deprecated and will stop working soon.

  1014.     * -map_chapters now takes only an input file index and applies to the next

  1015.       output file. This is consistent with how all the other options work.

  1016.     * -map_metadata now takes only an input metadata specifier and applies to

  1017.       the next output file. Output metadata specifier is now part of the option

  1018.       name, similarly to the AVOptions/map/codec feature above.

  1019.     * -metadata can now be used to set metadata on streams and chapters, e.g.

  1020.       -metadata:s:1 language=eng sets the language of the first stream to 'eng'.

  1021.       This made -vlang/-alang/-slang options redundant, so they were removed.

  1022.     * -qscale option now uses stream specifiers and applies to all streams, not

  1023.       just video. I.e. plain -qscale number would now apply to all streams. To get

  1024.       the old behavior, use -qscale:v. Also there is now a shortcut -q for -qscale

  1025.       and -aq is now an alias for -q:a.

  1026.     * -vbsf/-absf/-sbsf options were removed and replaced by a -bsf option which

  1027.       uses stream specifiers. Use -bsf:v/a/s instead of the old options.

  1028.     * -itsscale option now uses stream specifiers, so its argument is only the

  1029.       scale parameter.

  1030.     * -intra option was removed, use -g 0 for the same effect.

  1031.     * -psnr option was removed, use -flags +psnr for the same effect.

  1032.     * -vf option is now an alias to the new -filter option, which uses stream specifiers.

  1033.     * -vframes/-aframes/-dframes options are now aliases to the new -frames option.

  1034.     * -vtag/-atag/-stag options are now aliases to the new -tag option.

  1035. - XMV demuxer

  1036. - LOAS demuxer

  1037. - ashowinfo filter added

  1038. - Windows Media Image decoder

  1039. - amovie source added

  1040. - LATM muxer/demuxer

  1041. - Speex encoder via libspeex

  1042. - JSON output in ffprobe

  1043. - WTV muxer

  1044. - Optional C++ Support (needed for libstagefright)

  1045. - H.264 Decoding on Android via Stagefright

  1046. - Prores decoder

  1047. - BIN/XBIN/ADF/IDF text file decoder

  1048. - aconvert audio filter added

  1049. - audio support to lavfi input device added

  1050. - libcdio-paranoia input device for audio CD grabbing

  1051. - Apple ProRes decoder

  1052. - CELT in Ogg demuxing

  1053. - G.723.1 demuxer and decoder

  1054. - libmodplug support (--enable-libmodplug)

  1055. - VC-1 interlaced decoding

  1056. - libutvideo wrapper (--enable-libutvideo)

  1057. - aevalsrc audio source added

  1058. - Ut Video decoder

  1059. - Speex encoding via libspeex

  1060. - 4:2:2 H.264 decoding support

  1061. - 4:2:2 and 4:4:4 H.264 encoding with libx264

  1062. - Pulseaudio input device

  1063. - Prores encoder

  1064. - Video Decoder Acceleration (VDA) HWAccel module.

  1065. - replacement Indeo 3 decoder

  1066. - new ffmpeg option: -map_channel

  1067. - volume audio filter added

  1068. - earwax audio filter added

  1069. - libv4l2 support (--enable-libv4l2)

  1070. - TLS/SSL and HTTPS protocol support

  1071. - AVOptions API rewritten and documented

  1072. - most of CODEC_FLAG2_*, some CODEC_FLAG_* and many codec-specific fields in

  1073.   AVCodecContext deprecated. Codec private options should be used instead.

  1074. - Properly working defaults in libx264 wrapper, support for native presets.

  1075. - Encrypted OMA files support

  1076. - Discworld II BMV decoding support

  1077. - VBLE Decoder

  1078. - OS X Video Decoder Acceleration (VDA) support

  1079. - compact and csv output in ffprobe

  1080. - pan audio filter

  1081. - IFF Amiga Continuous Bitmap (ACBM) decoder

  1082. - ass filter

  1083. - CRI ADX audio format muxer and demuxer

  1084. - Playstation Portable PMP format demuxer

  1085. - Microsoft Windows ICO demuxer

  1086. - life source

  1087. - PCM format support in OMA demuxer

  1088. - CLJR encoder

  1089. - new option: -report

  1090. - Dxtory capture format decoder

  1091. - cellauto source

  1092. - Simple segmenting muxer

  1093. - Indeo 4 decoder

  1094. - SMJPEG demuxer

  1095. 

  1096. 

  1097. version 0.8:

  1098. 

  1099. - many many things we forgot because we rather write code than changelogs

  1100. - WebM support in Matroska de/muxer

  1101. - low overhead Ogg muxing

  1102. - MMS-TCP support

  1103. - VP8 de/encoding via libvpx

  1104. - Demuxer for On2's IVF format

  1105. - Pictor/PC Paint decoder

  1106. - HE-AAC v2 decoder

  1107. - HE-AAC v2 encoding with libaacplus

  1108. - libfaad2 wrapper removed

  1109. - DTS-ES extension (XCh) decoding support

  1110. - native VP8 decoder

  1111. - RTSP tunneling over HTTP

  1112. - RTP depacketization of SVQ3

  1113. - -strict inofficial replaced by -strict unofficial

  1114. - ffplay -exitonkeydown and -exitonmousedown options added

  1115. - native GSM / GSM MS decoder

  1116. - RTP depacketization of QDM2

  1117. - ANSI/ASCII art playback system

  1118. - Lego Mindstorms RSO de/muxer

  1119. - libavcore added (and subsequently removed)

  1120. - SubRip subtitle file muxer and demuxer

  1121. - Chinese AVS encoding via libxavs

  1122. - ffprobe -show_packets option added

  1123. - RTP packetization of Theora and Vorbis

  1124. - RTP depacketization of MP4A-LATM

  1125. - RTP packetization and depacketization of VP8

  1126. - hflip filter

  1127. - Apple HTTP Live Streaming demuxer

  1128. - a64 codec

  1129. - MMS-HTTP support

  1130. - G.722 ADPCM audio encoder/decoder

  1131. - R10k video decoder

  1132. - ocv_smooth filter

  1133. - frei0r wrapper filter

  1134. - change crop filter syntax to width:height:x:y

  1135. - make the crop filter accept parametric expressions

  1136. - make ffprobe accept AVFormatContext options

  1137. - yadif filter

  1138. - blackframe filter

  1139. - Demuxer for Leitch/Harris' VR native stream format (LXF)

  1140. - RTP depacketization of the X-QT QuickTime format

  1141. - SAP (Session Announcement Protocol, RFC 2974) muxer and demuxer

  1142. - cropdetect filter

  1143. - ffmpeg -crop* options removed

  1144. - transpose filter added

  1145. - ffmpeg -force_key_frames option added

  1146. - demuxer for receiving raw rtp:// URLs without an SDP description

  1147. - single stream LATM/LOAS decoder

  1148. - setpts filter added

  1149. - Win64 support for optimized x86 assembly functions

  1150. - MJPEG/AVI1 to JPEG/JFIF bitstream filter

  1151. - ASS subtitle encoder and decoder

  1152. - IEC 61937 encapsulation for E-AC-3, TrueHD, DTS-HD (for HDMI passthrough)

  1153. - overlay filter added

  1154. - rename aspect filter to setdar, and pixelaspect to setsar

  1155. - IEC 61937 demuxer

  1156. - Mobotix .mxg demuxer

  1157. - frei0r source added

  1158. - hqdn3d filter added

  1159. - RTP depacketization of QCELP

  1160. - FLAC parser added

  1161. - gradfun filter added

  1162. - AMR-WB decoder

  1163. - replace the ocv_smooth filter with a more generic ocv filter

  1164. - Windows Televison (WTV) demuxer

  1165. - FFmpeg metadata format muxer and demuxer

  1166. - SubRip (srt) subtitle encoder and decoder

  1167. - floating-point AC-3 encoder added

  1168. - Lagarith decoder

  1169. - ffmpeg -copytb option added

  1170. - IVF muxer added

  1171. - Wing Commander IV movies decoder added

  1172. - movie source added

  1173. - Bink version 'b' audio and video decoder

  1174. - Bitmap Brothers JV playback system

  1175. - Apple HTTP Live Streaming protocol handler

  1176. - sndio support for playback and record

  1177. - Linux framebuffer input device added

  1178. - Chronomaster DFA decoder

  1179. - DPX image encoder

  1180. - MicroDVD subtitle file muxer and demuxer

  1181. - Playstation Portable PMP format demuxer

  1182. - fieldorder video filter added

  1183. - AAC encoding via libvo-aacenc

  1184. - AMR-WB encoding via libvo-amrwbenc

  1185. - xWMA demuxer

  1186. - Mobotix MxPEG decoder

  1187. - VP8 frame-multithreading

  1188. - NEON optimizations for VP8

  1189. - Lots of deprecated API cruft removed

  1190. - fft and imdct optimizations for AVX (Sandy Bridge) processors

  1191. - showinfo filter added

  1192. - SMPTE 302M AES3 audio decoder

  1193. - Apple Core Audio Format muxer

  1194. - 9 bits and 10 bits per sample support in the H.264 decoder

  1195. - 9 bits and 10 bits FFV1 encoding / decoding

  1196. - split filter added

  1197. - select filter added

  1198. - sdl output device added

  1199. - libmpcodecs video filter support (3 times as many filters than before)

  1200. - mpeg2 aspect ratio dection fixed

  1201. - libxvid aspect pickiness fixed

  1202. - Frame multithreaded decoding

  1203. - E-AC-3 audio encoder

  1204. - ac3enc: add channel coupling support

  1205. - floating-point sample format support to the ac3, eac3, dca, aac, and vorbis decoders.

  1206. - H264/MPEG frame-level multi-threading

  1207. - All av_metadata_* functions renamed to av_dict_* and moved to libavutil

  1208. - 4:4:4 H.264 decoding support

  1209. - 10-bit H.264 optimizations for x86

  1210. - lut, lutrgb, and lutyuv filters added

  1211. - buffersink libavfilter sink added

  1212. - Bump libswscale for recently reported ABI break

  1213. - New J2K encoder (via OpenJPEG)

  1214. 

  1215. 

  1216. version 0.7:

  1217. 

  1218. - all the changes for 0.8, but keeping API/ABI compatibility with the 0.6 release

  1219. 

  1220. 

  1221. version 0.6:

  1222. 

  1223. - PB-frame decoding for H.263

  1224. - deprecated vhook subsystem removed

  1225. - deprecated old scaler removed

  1226. - VQF demuxer

  1227. - Alpha channel scaler

  1228. - PCX encoder

  1229. - RTP packetization of H.263

  1230. - RTP packetization of AMR

  1231. - RTP depacketization of Vorbis

  1232. - CorePNG decoding support

  1233. - Cook multichannel decoding support

  1234. - introduced avlanguage helpers in libavformat

  1235. - 8088flex TMV demuxer and decoder

  1236. - per-stream language-tags extraction in asfdec

  1237. - V210 decoder and encoder

  1238. - remaining GPL parts in AC-3 decoder converted to LGPL

  1239. - QCP demuxer

  1240. - SoX native format muxer and demuxer

  1241. - AMR-NB decoding/encoding, AMR-WB decoding via OpenCORE libraries

  1242. - DPX image decoder

  1243. - Electronic Arts Madcow decoder

  1244. - DivX (XSUB) subtitle encoder

  1245. - nonfree libamr support for AMR-NB/WB decoding/encoding removed

  1246. - experimental AAC encoder

  1247. - RTP depacketization of ASF and RTSP from WMS servers

  1248. - RTMP support in libavformat

  1249. - noX handling for OPT_BOOL X options

  1250. - Wave64 demuxer

  1251. - IEC-61937 compatible Muxer

  1252. - TwinVQ decoder

  1253. - Bluray (PGS) subtitle decoder

  1254. - LPCM support in MPEG-TS (HDMV RID as found on Blu-ray disks)

  1255. - WMA Pro decoder

  1256. - Core Audio Format demuxer

  1257. - ATRAC1 decoder

  1258. - MD STUDIO audio demuxer

  1259. - RF64 support in WAV demuxer

  1260. - MPEG-4 Audio Lossless Coding (ALS) decoder

  1261. - -formats option split into -formats, -codecs, -bsfs, and -protocols

  1262. - IV8 demuxer

  1263. - CDG demuxer and decoder

  1264. - R210 decoder

  1265. - Auravision Aura 1 and 2 decoders

  1266. - Deluxe Paint Animation playback system

  1267. - SIPR decoder

  1268. - Adobe Filmstrip muxer and demuxer

  1269. - RTP depacketization of H.263

  1270. - Bink demuxer and audio/video decoders

  1271. - enable symbol versioning by default for linkers that support it

  1272. - IFF PBM/ILBM bitmap decoder

  1273. - concat protocol

  1274. - Indeo 5 decoder

  1275. - RTP depacketization of AMR

  1276. - WMA Voice decoder

  1277. - ffprobe tool

  1278. - AMR-NB decoder

  1279. - RTSP muxer

  1280. - HE-AAC v1 decoder

  1281. - Kega Game Video (KGV1) decoder

  1282. - VorbisComment writing for FLAC, Ogg FLAC and Ogg Speex files

  1283. - RTP depacketization of Theora

  1284. - HTTP Digest authentication

  1285. - RTMP/RTMPT/RTMPS/RTMPE/RTMPTE protocol support via librtmp

  1286. - Psygnosis YOP demuxer and video decoder

  1287. - spectral extension support in the E-AC-3 decoder

  1288. - unsharp video filter

  1289. - RTP hinting in the mov/3gp/mp4 muxer

  1290. - Dirac in Ogg demuxing

  1291. - seek to keyframes in Ogg

  1292. - 4:2:2 and 4:4:4 Theora decoding

  1293. - 35% faster VP3/Theora decoding

  1294. - faster AAC decoding

  1295. - faster H.264 decoding

  1296. - RealAudio 1.0 (14.4K) encoder

  1297. 

  1298. 

  1299. version 0.5:

  1300. 

  1301. - DV50 AKA DVCPRO50 encoder, decoder, muxer and demuxer

  1302. - TechSmith Camtasia (TSCC) video decoder

  1303. - IBM Ultimotion (ULTI) video decoder

  1304. - Sierra Online audio file demuxer and decoder

  1305. - Apple QuickDraw (qdrw) video decoder

  1306. - Creative ADPCM audio decoder (16 bits as well as 8 bits schemes)

  1307. - Electronic Arts Multimedia (WVE/UV2/etc.) file demuxer

  1308. - Miro VideoXL (VIXL) video decoder

  1309. - H.261 video encoder

  1310. - QPEG video decoder

  1311. - Nullsoft Video (NSV) file demuxer

  1312. - Shorten audio decoder

  1313. - LOCO video decoder

  1314. - Apple Lossless Audio Codec (ALAC) decoder

  1315. - Winnov WNV1 video decoder

  1316. - Autodesk Animator Studio Codec (AASC) decoder

  1317. - Indeo 2 video decoder

  1318. - Fraps FPS1 video decoder

  1319. - Snow video encoder/decoder

  1320. - Sonic audio encoder/decoder

  1321. - Vorbis audio decoder

  1322. - Macromedia ADPCM decoder

  1323. - Duck TrueMotion 2 video decoder

  1324. - support for decoding FLX and DTA extensions in FLIC files

  1325. - H.264 custom quantization matrices support

  1326. - ffserver fixed, it should now be usable again

  1327. - QDM2 audio decoder

  1328. - Real Cooker audio decoder

  1329. - TrueSpeech audio decoder

  1330. - WMA2 audio decoder fixed, now all files should play correctly

  1331. - RealAudio 14.4 and 28.8 decoders fixed

  1332. - JPEG-LS decoder

  1333. - build system improvements

  1334. - tabs and trailing whitespace removed from the codebase

  1335. - CamStudio video decoder

  1336. - AIFF/AIFF-C audio format, encoding and decoding

  1337. - ADTS AAC file reading and writing

  1338. - Creative VOC file reading and writing

  1339. - American Laser Games multimedia (*.mm) playback system

  1340. - Zip Motion Blocks Video decoder

  1341. - improved Theora/VP3 decoder

  1342. - True Audio (TTA) decoder

  1343. - AVS demuxer and video decoder

  1344. - JPEG-LS encoder

  1345. - Smacker demuxer and decoder

  1346. - NuppelVideo/MythTV demuxer and RTjpeg decoder

  1347. - KMVC decoder

  1348. - MPEG-2 intra VLC support

  1349. - MPEG-2 4:2:2 encoder

  1350. - Flash Screen Video decoder

  1351. - GXF demuxer

  1352. - Chinese AVS decoder

  1353. - GXF muxer

  1354. - MXF demuxer

  1355. - VC-1/WMV3/WMV9 video decoder

  1356. - MacIntel support

  1357. - AviSynth support

  1358. - VMware video decoder

  1359. - VP5 video decoder

  1360. - VP6 video decoder

  1361. - WavPack lossless audio decoder

  1362. - Targa (.TGA) picture decoder

  1363. - Vorbis audio encoder

  1364. - Delphine Software .cin demuxer/audio and video decoder

  1365. - Tiertex .seq demuxer/video decoder

  1366. - MTV demuxer

  1367. - TIFF picture encoder and decoder

  1368. - GIF picture decoder

  1369. - Intel Music Coder decoder

  1370. - Zip Motion Blocks Video encoder

  1371. - Musepack decoder

  1372. - Flash Screen Video encoder

  1373. - Theora encoding via libtheora

  1374. - BMP encoder

  1375. - WMA encoder

  1376. - GSM-MS encoder and decoder

  1377. - DCA decoder

  1378. - DXA demuxer and decoder

  1379. - DNxHD decoder

  1380. - Gamecube movie (.THP) playback system

  1381. - Blackfin optimizations

  1382. - Interplay C93 demuxer and video decoder

  1383. - Bethsoft VID demuxer and video decoder

  1384. - CRYO APC demuxer

  1385. - ATRAC3 decoder

  1386. - V.Flash PTX decoder

  1387. - RoQ muxer, RoQ audio encoder

  1388. - Renderware TXD demuxer and decoder

  1389. - extern C declarations for C++ removed from headers

  1390. - sws_flags command line option

  1391. - codebook generator

  1392. - RoQ video encoder

  1393. - QTRLE encoder

  1394. - OS/2 support removed and restored again

  1395. - AC-3 decoder

  1396. - NUT muxer

  1397. - additional SPARC (VIS) optimizations

  1398. - Matroska muxer

  1399. - slice-based parallel H.264 decoding

  1400. - Monkey's Audio demuxer and decoder

  1401. - AMV audio and video decoder

  1402. - DNxHD encoder

  1403. - H.264 PAFF decoding

  1404. - Nellymoser ASAO decoder

  1405. - Beam Software SIFF demuxer and decoder

  1406. - libvorbis Vorbis decoding removed in favor of native decoder

  1407. - IntraX8 (J-Frame) subdecoder for WMV2 and VC-1

  1408. - Ogg (Theora, Vorbis and FLAC) muxer

  1409. - The "device" muxers and demuxers are now in a new libavdevice library

  1410. - PC Paintbrush PCX decoder

  1411. - Sun Rasterfile decoder

  1412. - TechnoTrend PVA demuxer

  1413. - Linux Media Labs MPEG-4 (LMLM4) demuxer

  1414. - AVM2 (Flash 9) SWF muxer

  1415. - QT variant of IMA ADPCM encoder

  1416. - VFW grabber

  1417. - iPod/iPhone compatible mp4 muxer

  1418. - Mimic decoder

  1419. - MSN TCP Webcam stream demuxer

  1420. - RL2 demuxer / decoder

  1421. - IFF demuxer

  1422. - 8SVX audio decoder

  1423. - non-recursive Makefiles

  1424. - BFI demuxer

  1425. - MAXIS EA XA (.xa) demuxer / decoder

  1426. - BFI video decoder

  1427. - OMA demuxer

  1428. - MLP/TrueHD decoder

  1429. - Electronic Arts CMV decoder

  1430. - Motion Pixels Video decoder

  1431. - Motion Pixels MVI demuxer

  1432. - removed animated GIF decoder/demuxer

  1433. - D-Cinema audio muxer

  1434. - Electronic Arts TGV decoder

  1435. - Apple Lossless Audio Codec (ALAC) encoder

  1436. - AAC decoder

  1437. - floating point PCM encoder/decoder

  1438. - MXF muxer

  1439. - DV100 AKA DVCPRO HD decoder and demuxer

  1440. - E-AC-3 support added to AC-3 decoder

  1441. - Nellymoser ASAO encoder

  1442. - ASS and SSA demuxer and muxer

  1443. - liba52 wrapper removed

  1444. - SVQ3 watermark decoding support

  1445. - Speex decoding via libspeex

  1446. - Electronic Arts TGQ decoder

  1447. - RV40 decoder

  1448. - QCELP / PureVoice decoder

  1449. - RV30 decoder

  1450. - hybrid WavPack support

  1451. - R3D REDCODE demuxer

  1452. - ALSA support for playback and record

  1453. - Electronic Arts TQI decoder

  1454. - OpenJPEG based JPEG 2000 decoder

  1455. - NC (NC4600) camera file demuxer

  1456. - Gopher client support

  1457. - MXF D-10 muxer

  1458. - generic metadata API

  1459. - flash ScreenVideo2 encoder

  1460. 

  1461. 

  1462. version 0.4.9-pre1:

  1463. 

  1464. - DV encoder, DV muxer

  1465. - Microsoft RLE video decoder

  1466. - Microsoft Video-1 decoder

  1467. - Apple Animation (RLE) decoder

  1468. - Apple Graphics (SMC) decoder

  1469. - Apple Video (RPZA) decoder

  1470. - Cinepak decoder

  1471. - Sega FILM (CPK) file demuxer

  1472. - Westwood multimedia support (VQA & AUD files)

  1473. - Id Quake II CIN playback support

  1474. - 8BPS video decoder

  1475. - FLIC playback support

  1476. - RealVideo 2.0 (RV20) decoder

  1477. - Duck TrueMotion v1 (DUCK) video decoder

  1478. - Sierra VMD demuxer and video decoder

  1479. - MSZH and ZLIB decoder support

  1480. - SVQ1 video encoder

  1481. - AMR-WB support

  1482. - PPC optimizations

  1483. - rate distortion optimal cbp support

  1484. - rate distorted optimal ac prediction for MPEG-4

  1485. - rate distorted optimal lambda->qp support

  1486. - AAC encoding with libfaac

  1487. - Sunplus JPEG codec (SP5X) support

  1488. - use Lagrange multiplier instead of QP for ratecontrol

  1489. - Theora/VP3 decoding support

  1490. - XA and ADX ADPCM codecs

  1491. - export MPEG-2 active display area / pan scan

  1492. - Add support for configuring with IBM XLC

  1493. - floating point AAN DCT

  1494. - initial support for zygo video (not complete)

  1495. - RGB ffv1 support

  1496. - new audio/video parser API

  1497. - av_log() system

  1498. - av_read_frame() and av_seek_frame() support

  1499. - missing last frame fixes

  1500. - seek by mouse in ffplay

  1501. - noise reduction of DCT coefficients

  1502. - H.263 OBMC & 4MV support

  1503. - H.263 alternative inter vlc support

  1504. - H.263 loop filter

  1505. - H.263 slice structured mode

  1506. - interlaced DCT support for MPEG-2 encoding

  1507. - stuffing to stay above min_bitrate

  1508. - MB type & QP visualization

  1509. - frame stepping for ffplay

  1510. - interlaced motion estimation

  1511. - alternate scantable support

  1512. - SVCD scan offset support

  1513. - closed GOP support

  1514. - SSE2 FDCT

  1515. - quantizer noise shaping

  1516. - G.726 ADPCM audio codec

  1517. - MS ADPCM encoding

  1518. - multithreaded/SMP motion estimation

  1519. - multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263

  1520. - multithreaded/SMP decoding for MPEG-2

  1521. - FLAC decoder

  1522. - Metrowerks CodeWarrior suppport

  1523. - H.263+ custom pcf support

  1524. - nicer output for 'ffmpeg -formats'

  1525. - Matroska demuxer

  1526. - SGI image format, encoding and decoding

  1527. - H.264 loop filter support

  1528. - H.264 CABAC support

  1529. - nicer looking arrows for the motion vector visualization

  1530. - improved VCD support

  1531. - audio timestamp drift compensation

  1532. - MPEG-2 YUV 422/444 support

  1533. - polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample

  1534. - better image scaling

  1535. - H.261 support

  1536. - correctly interleave packets during encoding

  1537. - VIS optimized motion compensation

  1538. - intra_dc_precision>0 encoding support

  1539. - support reuse of motion vectors/MB types/field select values of the source video

  1540. - more accurate deblock filter

  1541. - padding support

  1542. - many optimizations and bugfixes

  1543. - FunCom ISS audio file demuxer and according ADPCM decoding

  1544. 

  1545. 

  1546. version 0.4.8:

  1547. 

  1548. - MPEG-2 video encoding (Michael)

  1549. - Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)

  1550. - Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson

  1551.   and Mario Brito)

  1552. - Xan DPCM audio decoder (Mario Brito)

  1553. - Interplay MVE playback subsystem (Mike Melanson)

  1554. - Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)

  1555. 

  1556. 

  1557. version 0.4.7:

  1558. 

  1559. - RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from mplayerhq

  1560.   (originally from public domain player for Amiga at http://www.honeypot.net/audio)

  1561. - current version now also compiles with older GCC (Fabrice)

  1562. - 4X multimedia playback system including 4xm file demuxer (Mike

  1563.   Melanson), and 4X video and audio codecs (Michael)

  1564. - Creative YUV (CYUV) decoder (Mike Melanson)

  1565. - FFV1 codec (our very simple lossless intra only codec, compresses much better

  1566.   than HuffYUV) (Michael)

  1567. - ASV1 (Asus), H.264, Intel indeo3 codecs have been added (various)

  1568. - tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with

  1569.   alpha support), JPEG YUV colorspace support. (Fabrice Bellard)

  1570. - ffplay has been replaced with a newer version which uses SDL (optionally)

  1571.   for multiplatform support (Fabrice)

  1572. - Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated

  1573.   by anonymous

  1574. - AMR format has been added (Johannes Carlsson)

  1575. - 3GP support has been added (Johannes Carlsson)

  1576. - VP3 codec has been added (Mike Melanson)

  1577. - more MPEG-1/2 fixes

  1578. - better multiplatform support, MS Visual Studio fixes (various)

  1579. - AltiVec optimizations (Magnus Damn and others)

  1580. - SH4 processor support has been added (BERO)

  1581. - new public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)

  1582. - VOB streaming support (Brian Foley)

  1583. - better MP3 autodetection (Andriy Rysin)

  1584. - qpel encoding (Michael)

  1585. - 4mv+b frames encoding finally fixed (Michael)

  1586. - chroma ME (Michael)

  1587. - 5 comparison functions for ME (Michael)

  1588. - B-frame encoding speedup (Michael)

  1589. - WMV2 codec (unfinished - Michael)

  1590. - user specified diamond size for EPZS (Michael)

  1591. - Playstation STR playback subsystem, still experimental (Mike and Michael)

  1592. - ASV2 codec (Michael)

  1593. - CLJR decoder (Alex)

  1594. 

  1595. .. And lots more new enhancements and fixes.

  1596. 

  1597. 

  1598. version 0.4.6:

  1599. 

  1600. - completely new integer only MPEG audio layer 1/2/3 decoder rewritten

  1601.   from scratch

  1602. - Recoded DCT and motion vector search with gcc (no longer depends on nasm)

  1603. - fix quantization bug in AC3 encoder

  1604. - added PCM codecs and format. Corrected WAV/AVI/ASF PCM issues

  1605. - added prototype ffplay program

  1606. - added GOB header parsing on H.263/H.263+ decoder (Juanjo)

  1607. - bug fix on MCBPC tables of H.263 (Juanjo)

  1608. - bug fix on DC coefficients of H.263 (Juanjo)

  1609. - added Advanced Prediction Mode on H.263/H.263+ decoder (Juanjo)

  1610. - now we can decode H.263 streams found in QuickTime files (Juanjo)

  1611. - now we can decode H.263 streams found in VIVO v1 files(Juanjo)

  1612. - preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)

  1613. - added GOB header for H.263/H.263+ coding on RTP mode (Juanjo)

  1614. - now H.263 picture size is returned on the first decoded frame (Juanjo)

  1615. - added first regression tests

  1616. - added MPEG-2 TS demuxer

  1617. - new demux API for libav

  1618. - more accurate and faster IDCT (Michael)

  1619. - faster and entropy-controlled motion search (Michael)

  1620. - two pass video encoding (Michael)

  1621. - new video rate control (Michael)

  1622. - added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)

  1623. - great performance improvement of video encoders and decoders (Michael)

  1624. - new and faster bit readers and vlc parsers (Michael)

  1625. - high quality encoding mode: tries all macroblock/VLC types (Michael)

  1626. - added DV video decoder

  1627. - preliminary RTP/RTSP support in ffserver and libavformat

  1628. - H.263+ AIC decoding/encoding support (Juanjo)

  1629. - VCD MPEG-PS mode (Juanjo)

  1630. - PSNR stuff (Juanjo)

  1631. - simple stats output (Juanjo)

  1632. - 16-bit and 15-bit RGB/BGR/GBR support (Bisqwit)

  1633. 

  1634. 

  1635. version 0.4.5:

  1636. 

  1637. - some header fixes (Zdenek Kabelac <kabi at informatics.muni.cz>)

  1638. - many MMX optimizations (Nick Kurshev <nickols_k at mail.ru>)

  1639. - added configure system (actually a small shell script)

  1640. - added MPEG audio layer 1/2/3 decoding using LGPL'ed mpglib by

  1641.   Michael Hipp (temporary solution - waiting for integer only

  1642.   decoder)

  1643. - fixed VIDIOCSYNC interrupt

  1644. - added Intel H.263 decoding support ('I263' AVI fourCC)

  1645. - added Real Video 1.0 decoding (needs further testing)

  1646. - simplified image formats again. Added PGM format (=grey

  1647.   pgm). Renamed old PGM to PGMYUV.

  1648. - fixed msmpeg4 slice issues (tell me if you still find problems)

  1649. - fixed OpenDivX bugs with newer versions (added VOL header decoding)

  1650. - added support for MPlayer interface

  1651. - added macroblock skip optimization

  1652. - added MJPEG decoder

  1653. - added mmx/mmxext IDCT from libmpeg2

  1654. - added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer

  1655.   <celer at shell.scrypt.net>)

  1656. - added pixel format conversion layer (e.g. for MJPEG or PPM)

  1657. - added deinterlacing option

  1658. - MPEG-1/2 fixes

  1659. - MPEG-4 vol header fixes (Jonathan Marsden <snmjbm at pacbell.net>)

  1660. - ARM optimizations (Lionel Ulmer <lionel.ulmer at free.fr>).

  1661. - Windows porting of file converter

  1662. - added MJPEG raw format (input/output)

  1663. - added JPEG image format support (input/output)

  1664. 

  1665. 

  1666. version 0.4.4:

  1667. 

  1668. - fixed some std header definitions (Bjorn Lindgren

  1669.   <bjorn.e.lindgren at telia.com>).

  1670. - added MPEG demuxer (MPEG-1 and 2 compatible).

  1671. - added ASF demuxer

  1672. - added prototype RM demuxer

  1673. - added AC3 decoding (done with libac3 by Aaron Holtzman)

  1674. - added decoding codec parameter guessing (.e.g. for MPEG, because the

  1675.   header does not include them)

  1676. - fixed header generation in MPEG-1, AVI and ASF muxer: wmplayer can now

  1677.   play them (only tested video)

  1678. - fixed H.263 white bug

  1679. - fixed phase rounding in img resample filter

  1680. - add MMX code for polyphase img resample filter

  1681. - added CPU autodetection

  1682. - added generic title/author/copyright/comment string handling (ASF and RM

  1683.   use them)

  1684. - added SWF demux to extract MP3 track (not usable yet because no MP3

  1685.   decoder)

  1686. - added fractional frame rate support

  1687. - codecs are no longer searched by read_header() (should fix ffserver

  1688.   segfault)

  1689. 

  1690. 

  1691. version 0.4.3:

  1692. 

  1693. - BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq at amsat.org>)

  1694. - fixed raw yuv output

  1695. - added motion rounding support in MPEG-4

  1696. - fixed motion bug rounding in MSMPEG4

  1697. - added B-frame handling in video core

  1698. - added full MPEG-1 decoding support

  1699. - added partial (frame only) MPEG-2 support

  1700. - changed the FOURCC code for H.263 to "U263" to be able to see the

  1701.   +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with

  1702.   this +codec ;) (JuanJo).

  1703. - Halfpel motion estimation after MB type selection (JuanJo)

  1704. - added pgm and .Y.U.V output format

  1705. - suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or

  1706.   output.

  1707. - added pgmpipe I/O format (original patch from Martin Aumueller

  1708.   <lists at reserv.at>, but changed completely since we use a format

  1709.   instead of a protocol)

  1710. 

  1711. 

  1712. version 0.4.2:

  1713. 

  1714. - added H.263/MPEG-4/MSMPEG4 decoding support. MPEG-4 decoding support

  1715.   (for OpenDivX) is almost complete: 8x8 MVs and rounding are

  1716.   missing. MSMPEG4 support is complete.

  1717. - added prototype MPEG-1 decoder. Only I- and P-frames handled yet (it

  1718.   can decode ffmpeg MPEGs :-)).

  1719. - added libavcodec API documentation (see apiexample.c).

  1720. - fixed image polyphase bug (the bottom of some images could be

  1721.   greenish)

  1722. - added support for non clipped motion vectors (decoding only)

  1723.   and image sizes non-multiple of 16

  1724. - added support for AC prediction (decoding only)

  1725. - added file overwrite confirmation (can be disabled with -y)

  1726. - added custom size picture to H.263 using H.263+ (Juanjo)

  1727. 

  1728. 

  1729. version 0.4.1:

  1730. 

  1731. - added MSMPEG4 (aka DivX) compatible encoder. Changed default codec

  1732.   of AVI and ASF to DIV3.

  1733. - added -me option to set motion estimation method

  1734.   (default=log). suppressed redundant -hq option.

  1735. - added options -acodec and -vcodec to force a given codec (useful for

  1736.   AVI for example)

  1737. - fixed -an option

  1738. - improved dct_quantize speed

  1739. - factorized some motion estimation code

  1740. 

  1741. 

  1742. version 0.4.0:

  1743. 

  1744. - removing grab code from ffserver and moved it to ffmpeg. Added

  1745.   multistream support to ffmpeg.

  1746. - added timeshifting support for live feeds (option ?date=xxx in the

  1747.   URL)

  1748. - added high quality image resize code with polyphase filter (need

  1749.   mmx/see optimization). Enable multiple image size support in ffserver.

  1750. - added multi live feed support in ffserver

  1751. - suppressed master feature from ffserver (it should be done with an

  1752.   external program which opens the .ffm url and writes it to another

  1753.   ffserver)

  1754. - added preliminary support for video stream parsing (WAV and AVI half

  1755.   done). Added proper support for audio/video file conversion in

  1756.   ffmpeg.

  1757. - added preliminary support for video file sending from ffserver

  1758. - redesigning I/O subsystem: now using URL based input and output

  1759.   (see avio.h)

  1760. - added WAV format support

  1761. - added "tty user interface" to ffmpeg to stop grabbing gracefully

  1762. - added MMX/SSE optimizations to SAD (Sums of Absolutes Differences)

  1763.   (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo at atmlab.utfsm.cl>)

  1764. - added MMX DCT from mpeg2_movie 1.5 (Juanjo)

  1765. - added new motion estimation algorithms, log and phods (Juanjo)

  1766. - changed directories: libav for format handling, libavcodec for

  1767.   codecs

  1768. 

  1769. 

  1770. version 0.3.4:

  1771. 

  1772. - added stereo in MPEG audio encoder

  1773. 

  1774. 

  1775. version 0.3.3:

  1776. 

  1777. - added 'high quality' mode which use motion vectors. It can be used in

  1778.   real time at low resolution.

  1779. - fixed rounding problems which caused quality problems at high

  1780.   bitrates and large GOP size

  1781. 

  1782. 

  1783. version 0.3.2: small fixes

  1784. 

  1785. - ASF fixes

  1786. - put_seek bug fix

  1787. 

  1788. 

  1789. version 0.3.1: added avi/divx support

  1790. 

  1791. - added AVI support

  1792. - added MPEG-4 codec compatible with OpenDivX. It is based on the H.263 codec

  1793. - added sound for flash format (not tested)

  1794. 

  1795. 

  1796. version 0.3: initial public release