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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. - Support for TrueHD in mp4

  9. - Support AMD AMF encoder on Linux (via Vulkan)

  10. - IMM5 video decoder

  11. - ZeroMQ protocol

  12. - support Sipro ACELP.KELVIN decoding

  13. - streamhash muxer

  14. - sierpinski video source

  15. - scroll video filter

  16. - photosensitivity filter

  17. - anlms filter

  18. - arnndn filter

  19. - bilateral filter

  20. - maskedmin and maskedmax filters

  21. - VDPAU VP9 hwaccel

  22. - median filter

  23. - QSV-accelerated VP9 encoding

  24. - AV1 encoding support via librav1e

  25. - AV1 frame merge bitstream filter

  26. - AV1 Annex B demuxer

  27. - axcorrelate filter

  28. - mvdv decoder

  29. - mvha decoder

  30. - MPEG-H 3D Audio support in mp4

  31. - thistogram filter

  32. - freezeframes filter

  33. - Argonaut Games ADPCM decoder

  34. - Argonaut Games ASF demuxer

  35. - xfade video filter

  36. - xfade_opencl filter

  37. - afirsrc audio filter source

  38. - pad_opencl filter

  39. - Simon & Schuster Interactive ADPCM decoder

  40. - Real War KVAG demuxer

  41. - CDToons video decoder

  42. - siren audio decoder

  43. - Rayman 2 ADPCM decoder

  44. - Rayman 2 APM demuxer

  45. - cas video filter

  46. - High Voltage Software ADPCM decoder

  47. - LEGO Racers ALP (.tun & .pcm) demuxer

  48. - AMQP 0-9-1 protocol (RabbitMQ)

  49. - Vulkan support

  50. - avgblur_vulkan, overlay_vulkan, scale_vulkan and chromaber_vulkan filters

  51. - ADPCM IMA MTF decoder

  52. - FWSE demuxer

  53. - DERF DPCM decoder

  54. - DERF demuxer

  55. - CRI HCA decoder

  56. - CRI HCA demuxer

  57. - overlay_cuda filter

  58. - switch from AvxSynth to AviSynth+ on Linux

  59. - mv30 decoder

  60. - Expanded styling support for 3GPP Timed Text Subtitles (movtext)

  61. - WebP parser

  62. - tmedian filter

  63. - maskedthreshold filter

  64. - Support for muxing pcm and pgs in m2ts

  65. - Cunning Developments ADPCM decoder

  66. - asubboost filter

  67. - Pro Pinball Series Soundbank demuxer

  68. - pcm_rechunk bitstream filter

  69. - scdet filter

  70. - NotchLC decoder

  71. - gradients source video filter

  72. - MediaFoundation encoder wrapper

  73. - untile filter

  74. - Simon & Schuster Interactive ADPCM encoder

  75. 

  76. 

  77. version 4.2:

  78. - tpad filter

  79. - AV1 decoding support through libdav1d

  80. - dedot filter

  81. - chromashift and rgbashift filters

  82. - freezedetect filter

  83. - truehd_core bitstream filter

  84. - dhav demuxer

  85. - PCM-DVD encoder

  86. - GIF parser

  87. - vividas demuxer

  88. - hymt decoder

  89. - anlmdn filter

  90. - maskfun filter

  91. - hcom demuxer and decoder

  92. - ARBC decoder

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

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

  95. - removed libndi-newtek

  96. - agm decoder

  97. - KUX demuxer

  98. - AV1 frame split bitstream filter

  99. - lscr decoder

  100. - lagfun filter

  101. - asoftclip filter

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

  103. - colorhold filter

  104. - xmedian filter

  105. - asr filter

  106. - showspatial multimedia filter

  107. - VP4 video decoder

  108. - IFV demuxer

  109. - derain filter

  110. - deesser filter

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

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

  113. 

  114. 

  115. version 4.1:

  116. - deblock filter

  117. - tmix filter

  118. - amplify filter

  119. - fftdnoiz filter

  120. - aderivative and aintegral audio filters

  121. - pal75bars and pal100bars video filter sources

  122. - support mbedTLS based TLS

  123. - adeclick filter

  124. - adeclip filter

  125. - libtensorflow backend for DNN based filters like srcnn

  126. - vc1 decoder is now bit-exact

  127. - ATRAC9 decoder

  128. - lensfun wrapper filter

  129. - colorconstancy filter

  130. - AVS2 video decoder via libdavs2

  131. - IMM4 video decoder

  132. - Brooktree ProSumer video decoder

  133. - MatchWare Screen Capture Codec decoder

  134. - WinCam Motion Video decoder

  135. - 1D LUT filter (lut1d)

  136. - RemotelyAnywhere Screen Capture decoder

  137. - cue and acue filters

  138. - support for AV1 in MP4

  139. - transpose_npp filter

  140. - AVS2 video encoder via libxavs2

  141. - amultiply filter

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

  143. - acrossover filter

  144. - ilbc decoder

  145. - audio denoiser as afftdn filter

  146. - AV1 parser

  147. - SER demuxer

  148. - sinc audio filter source

  149. - chromahold filter

  150. - setparams filter

  151. - vibrance filter

  152. - decoding S12M timecode in h264

  153. - xstack filter

  154. - pcm vidc decoder and encoder

  155. - (a)graphmonitor filter

  156. - yadif_cuda filter

  157. 

  158. 

  159. version 4.0:

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

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

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

  163. - VDA dropped (use VideoToolbox instead)

  164. - MagicYUV encoder

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

  166. - TiVo ty/ty+ demuxer

  167. - Intel QSV-accelerated MJPEG encoding

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

  169. - native aptX and aptX HD encoder and decoder

  170. - Raw aptX and aptX HD muxer and demuxer

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

  172. - Intel QSV-accelerated overlay filter

  173. - mcompand audio filter

  174. - acontrast audio filter

  175. - OpenCL overlay filter

  176. - video mix filter

  177. - video normalize filter

  178. - audio lv2 wrapper filter

  179. - VAAPI MJPEG and VP8 decoding

  180. - AMD AMF H.264 and HEVC encoders

  181. - video fillborders filter

  182. - video setrange filter

  183. - nsp demuxer

  184. - support LibreSSL (via libtls)

  185. - AVX-512/ZMM support added

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

  187.   version is Windows Vista.

  188. - deconvolve video filter

  189. - entropy video filter

  190. - hilbert audio filter source

  191. - aiir audio filter

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

  193. - Removed the ffserver program

  194. - Removed the ffmenc and ffmdec muxer and demuxer

  195. - VideoToolbox HEVC encoder and hwaccel

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

  197. - Add android_camera indev

  198. - codec2 en/decoding via libcodec2

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

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

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

  202. - native SBC encoder and decoder

  203. - drmeter audio filter

  204. - hapqa_extract bitstream filter

  205. - filter_units bitstream filter

  206. - AV1 Support through libaom

  207. - E-AC-3 dependent frames support

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

  209. - Haivision SRT protocol via libsrt

  210. - segafilm muxer

  211. - vfrdet filter

  212. - SRCNN filter

  213. 

  214. 

  215. version 3.4:

  216. - deflicker video filter

  217. - doubleweave video filter

  218. - lumakey video filter

  219. - pixscope video filter

  220. - oscilloscope video filter

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

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

  223. - afir audio filter

  224. - scale_cuda CUDA based video scale filter

  225. - librsvg support for svg rasterization

  226. - crossfeed audio filter

  227. - spec compliant VP9 muxing support in MP4

  228. - remove the libnut muxer/demuxer wrappers

  229. - remove the libschroedinger encoder/decoder wrappers

  230. - surround audio filter

  231. - sofalizer filter switched to libmysofa

  232. - Gremlin Digital Video demuxer and decoder

  233. - headphone audio filter

  234. - superequalizer audio filter

  235. - roberts video filter

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

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

  238. - additional frame format support for Interplay MVE movies

  239. - support for decoding through D3D11VA in ffmpeg

  240. - limiter video filter

  241. - libvmaf video filter

  242. - Dolby E decoder and SMPTE 337M demuxer

  243. - unpremultiply video filter

  244. - tlut2 video filter

  245. - floodfill video filter

  246. - pseudocolor video filter

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

  248. - NewTek NDI input/output device

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

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

  251.   They must always be used by name.

  252. - FITS demuxer and decoder

  253. - FITS muxer and encoder

  254. - add --disable-autodetect build switch

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

  256. - despill video filter

  257. - haas audio filter

  258. - SUP/PGS subtitle muxer

  259. - convolve video filter

  260. - VP9 tile threading support

  261. - KMS screen grabber

  262. - CUDA thumbnail filter

  263. - V4L2 mem2mem HW assisted codecs

  264. - Rockchip MPP hardware decoding

  265. - vmafmotion video filter

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

  267. 

  268. 

  269. version 3.3:

  270. - CrystalHD decoder moved to new decode API

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

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

  273. - premultiply video filter

  274. - Support for spherical videos

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

  276. - PSD Decoder

  277. - 16.8 floating point pcm decoder

  278. - 24.0 floating point pcm decoder

  279. - Apple Pixlet decoder

  280. - QDMC audio decoder

  281. - NewTek SpeedHQ decoder

  282. - MIDI Sample Dump Standard demuxer

  283. - readeia608 filter

  284. - Sample Dump eXchange demuxer

  285. - abitscope multimedia filter

  286. - Scenarist Closed Captions demuxer and muxer

  287. - threshold filter

  288. - midequalizer filter

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

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

  291. - FM Screen Capture Codec decoder

  292. - native Opus encoder

  293. - ScreenPressor decoder

  294. - incomplete ClearVideo decoder

  295. - Intel QSV video scaling and deinterlacing filters

  296. - Support MOV with multiple sample description tables

  297. - XPM decoder

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

  299. - MPEG-7 Video Signature filter

  300. - Removed asyncts filter (use af_aresample instead)

  301. - Intel QSV-accelerated VP8 video decoding

  302. - VAAPI-accelerated deinterlacing

  303. 

  304. 

  305. version 3.2:

  306. - libopenmpt demuxer

  307. - tee protocol

  308. - Changed metadata print option to accept general urls

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

  310. - VP8 in Ogg muxing

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

  312. - 16-bit support in curves filter and selectivecolor filter

  313. - OpenH264 decoder wrapper

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

  315. - True Audio (TTA) muxer

  316. - crystalizer audio filter

  317. - acrusher audio filter

  318. - bitplanenoise video filter

  319. - floating point support in als decoder

  320. - fifo muxer

  321. - maskedclamp filter

  322. - hysteresis filter

  323. - lut2 filter

  324. - yuvtestsrc filter

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

  326. - vaguedenoiser filter

  327. - added threads option per filter instance

  328. - weave filter

  329. - gblur filter

  330. - avgblur filter

  331. - sobel and prewitt filter

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

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

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

  335. - sdl2 output device and ffplay support

  336. - sdl1 output device and sdl1 support removed

  337. - extended mov edit list support

  338. - libfaac encoder removed

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

  340. - sidedata video and asidedata audio filter

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

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

  343. 

  344. 

  345. version 3.1:

  346. - DXVA2-accelerated HEVC Main10 decoding

  347. - fieldhint filter

  348. - loop video filter and aloop audio filter

  349. - Bob Weaver deinterlacing filter

  350. - firequalizer filter

  351. - datascope filter

  352. - bench and abench filters

  353. - ciescope filter

  354. - protocol blacklisting API

  355. - MediaCodec H264 decoding

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

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

  358. - AudioToolbox audio decoders

  359. - AudioToolbox audio encoders

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

  361. - libdcadec removed

  362. - bitstream filter for extracting DTS core

  363. - ADPCM IMA DAT4 decoder

  364. - musx demuxer

  365. - aix demuxer

  366. - remap filter

  367. - hash and framehash muxers

  368. - colorspace filter

  369. - hdcd filter

  370. - readvitc filter

  371. - VAAPI-accelerated format conversion and scaling

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

  373. - Duck TrueMotion 2.0 Real Time decoder

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

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

  376. - DTS Express (LBR) decoder

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

  378. - IFF ANIM demuxer & decoder

  379. - Direct Stream Transfer (DST) decoder

  380. - loudnorm filter

  381. - MTAF demuxer and decoder

  382. - MagicYUV decoder

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

  384. - BitJazz SheerVideo decoder

  385. - CUDA CUVID H264/HEVC decoder

  386. - 10-bit depth support in native utvideo decoder

  387. - libutvideo wrapper removed

  388. - YUY2 Lossless Codec decoder

  389. - VideoToolbox H.264 encoder

  390. 

  391. 

  392. version 3.0:

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

  394. - DXV decoding

  395. - extrastereo filter

  396. - ocr filter

  397. - alimiter filter

  398. - stereowiden filter

  399. - stereotools filter

  400. - rubberband filter

  401. - tremolo filter

  402. - agate filter

  403. - chromakey filter

  404. - maskedmerge filter

  405. - Screenpresso SPV1 decoding

  406. - chromaprint fingerprinting muxer

  407. - ffplay dynamic volume control

  408. - displace filter

  409. - selectivecolor filter

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

  411. - ADPCM PSX decoder

  412. - 3dostr, dcstr, fsb, genh, vag, xvag, ads, msf, svag & vpk demuxer

  413. - zscale filter

  414. - wve demuxer

  415. - zero-copy Intel QSV transcoding in ffmpeg

  416. - shuffleframes filter

  417. - SDX2 DPCM decoder

  418. - vibrato filter

  419. - innoHeim/Rsupport Screen Capture Codec decoder

  420. - ADPCM AICA decoder

  421. - Interplay ACM demuxer and audio decoder

  422. - XMA1 & XMA2 decoder

  423. - realtime filter

  424. - anoisesrc audio filter source

  425. - IVR demuxer

  426. - compensationdelay filter

  427. - acompressor filter

  428. - support encoding 16-bit RLE SGI images

  429. - apulsator filter

  430. - sidechaingate audio filter

  431. - mipsdspr1 option has been renamed to mipsdsp

  432. - aemphasis filter

  433. - mips32r5 option has been removed

  434. - mips64r6 option has been removed

  435. - DXVA2-accelerated VP9 decoding

  436. - SOFAlizer: virtual binaural acoustics filter

  437. - VAAPI VP9 hwaccel

  438. - audio high-order multiband parametric equalizer

  439. - automatic bitstream filtering

  440. - showspectrumpic filter

  441. - libstagefright support removed

  442. - spectrumsynth filter

  443. - ahistogram filter

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

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

  446. - afftfilt filter

  447. - convolution filter

  448. - libquvi support removed

  449. - support for dvaudio in wav and avi

  450. - libaacplus and libvo-aacenc support removed

  451. - Cineform HD decoder

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

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

  454. - nnedi deinterlacer

  455. - streamselect video and astreamselect audio filter

  456. - swaprect filter

  457. - metadata video and ametadata audio filter

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

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

  460. 

  461. 

  462. version 2.8:

  463. - colorkey video filter

  464. - BFSTM/BCSTM demuxer

  465. - little-endian ADPCM_THP decoder

  466. - Hap decoder and encoder

  467. - DirectDraw Surface image/texture decoder

  468. - ssim filter

  469. - optional new ASF demuxer

  470. - showvolume filter

  471. - Many improvements to the JPEG 2000 decoder

  472. - Go2Meeting decoding support

  473. - adrawgraph audio and drawgraph video filter

  474. - removegrain video filter

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

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

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

  478. - libkvazaar HEVC encoder

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

  480. - Dynamic Audio Normalizer as dynaudnorm filter

  481. - Reverse video and areverse audio filter

  482. - Random filter

  483. - deband filter

  484. - AAC fixed-point decoding

  485. - sidechaincompress audio filter

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

  487. - acrossfade audio filter

  488. - allyuv and allrgb video sources

  489. - atadenoise video filter

  490. - OS X VideoToolbox support

  491. - aphasemeter filter

  492. - showfreqs filter

  493. - vectorscope filter

  494. - waveform filter

  495. - hstack and vstack filter

  496. - Support DNx100 (1440x1080@8)

  497. - VAAPI hevc hwaccel

  498. - VDPAU hevc hwaccel

  499. - framerate filter

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

  501. - Removed experimental flag from the JPEG 2000 encoder

  502. 

  503. 

  504. version 2.7:

  505. - FFT video filter

  506. - TDSC decoder

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

  508. - showwavespic filter

  509. - DTS decoding through libdcadec

  510. - Drop support for nvenc API before 5.0

  511. - nvenc HEVC encoder

  512. - Detelecine filter

  513. - Intel QSV-accelerated H.264 encoding

  514. - MMAL-accelerated H.264 decoding

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

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

  517. - WebM Live Chunk Muxer

  518. - nvenc level and tier options

  519. - chorus filter

  520. - Canopus HQ/HQA decoder

  521. - Automatically rotate videos based on metadata in ffmpeg

  522. - improved Quickdraw compatibility

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

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

  525. - Direct3D11-accelerated decoding

  526. - Support Secure Transport

  527. - Multipart JPEG demuxer

  528. 

  529. 

  530. version 2.6:

  531. - nvenc encoder

  532. - 10bit spp filter

  533. - colorlevels filter

  534. - RIFX format for *.wav files

  535. - RTP/mpegts muxer

  536. - non continuous cache protocol support

  537. - tblend filter

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

  539. - Camellia symmetric block cipher

  540. - OpenH264 encoder wrapper

  541. - VOC seeking support

  542. - Closed caption Decoder

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

  544. - showpalette filter

  545. - Twofish symmetric block cipher

  546. - Support DNx100 (960x720@8)

  547. - eq2 filter ported from libmpcodecs as eq filter

  548. - removed libmpcodecs

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

  550. - ported softpulldown filter from libmpcodecs as repeatfields filter

  551. - dcshift filter

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

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

  554. - palettegen and paletteuse filters

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

  556. - RTP depacketizer for DV (RFC 6469)

  557. - DXVA2-accelerated HEVC decoding

  558. - AAC ELD 480 decoding

  559. - Intel QSV-accelerated H.264 decoding

  560. - DSS SP decoder and DSS demuxer

  561. - Fix stsd atom corruption in DNxHD QuickTimes

  562. - Canopus HQX decoder

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

  564. - Port MIPS optimizations to 64-bit

  565. 

  566. 

  567. version 2.5:

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

  569. - SUP/PGS subtitle demuxer

  570. - ffprobe -show_pixel_formats option

  571. - CAST128 symmetric block cipher, ECB mode

  572. - STL subtitle demuxer and decoder

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

  574. - XCB-based screen-grabber

  575. - UDP-Lite support (RFC 3828)

  576. - xBR scaling filter

  577. - AVFoundation screen capturing support

  578. - ffserver supports codec private options

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

  580. - WebP muxer with animated WebP support

  581. - zygoaudio decoding support

  582. - APNG demuxer

  583. - postproc visualization support

  584. 

  585. 

  586. version 2.4:

  587. - Icecast protocol

  588. - ported lenscorrection filter from frei0r filter

  589. - large optimizations in dctdnoiz to make it usable

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

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

  592. - LZMA compression support in TIFF decoder

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

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

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

  596. - Matroska 3D support thorugh side data

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

  598. - silenceremove filter

  599. 

  600. 

  601. version 2.3:

  602. - AC3 fixed-point decoding

  603. - shuffleplanes filter

  604. - subfile protocol

  605. - Phantom Cine demuxer

  606. - replaygain data export

  607. - VP7 video decoder

  608. - Alias PIX image encoder and decoder

  609. - Improvements to the BRender PIX image decoder

  610. - Improvements to the XBM decoder

  611. - QTKit input device

  612. - improvements to OpenEXR image decoder

  613. - support decoding 16-bit RLE SGI images

  614. - GDI screen grabbing for Windows

  615. - alternative rendition support for HTTP Live Streaming

  616. - AVFoundation input device

  617. - Direct Stream Digital (DSD) decoder

  618. - Magic Lantern Video (MLV) demuxer

  619. - On2 AVC (Audio for Video) decoder

  620. - support for decoding through DXVA2 in ffmpeg

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

  622. - libx264 reference frames count limiting depending on level

  623. - native Opus decoder

  624. - display matrix export and rotation API

  625. - WebVTT encoder

  626. - showcqt multimedia filter

  627. - zoompan filter

  628. - signalstats filter

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

  630. - flanger filter

  631. - Image format auto-detection

  632. - LRC demuxer and muxer

  633. - Samba protocol (via libsmbclient)

  634. - WebM DASH Manifest muxer

  635. - libfribidi support in drawtext

  636. 

  637. 

  638. version 2.2:

  639. 

  640. - HNM version 4 demuxer and video decoder

  641. - Live HDS muxer

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

  643. - elbg filter

  644. - string validation in ffprobe

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

  646. - complete Voxware MetaSound decoder

  647. - remove mp3_header_compress bitstream filter

  648. - Windows resource files for shared libraries

  649. - aeval filter

  650. - stereoscopic 3d metadata handling

  651. - WebP encoding via libwebp

  652. - ATRAC3+ decoder

  653. - VP8 in Ogg demuxing

  654. - side & metadata support in NUT

  655. - framepack filter

  656. - XYZ12 rawvideo support in NUT

  657. - Exif metadata support in WebP decoder

  658. - OpenGL device

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

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

  661. - Mirillis FIC video decoder

  662. - Support DNx444

  663. - libx265 encoder

  664. - dejudder filter

  665. - Autodetect VDA like all other hardware accelerations

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

  667. 

  668. 

  669. version 2.1:

  670. 

  671. - aecho filter

  672. - perspective filter ported from libmpcodecs

  673. - ffprobe -show_programs option

  674. - compand filter

  675. - RTMP seek support

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

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

  678.   the -noaccurate_seek option.

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

  680.   data read from an input file

  681. - incomplete Voxware MetaSound decoder

  682. - read EXIF metadata from JPEG

  683. - DVB teletext decoder

  684. - phase filter ported from libmpcodecs

  685. - w3fdif filter

  686. - Opus support in Matroska

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

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

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

  690.   more consistent with other muxers.

  691. - adelay filter

  692. - pullup filter ported from libmpcodecs

  693. - ffprobe -read_intervals option

  694. - Lossless and alpha support for WebP decoder

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

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

  697. - mux chapters in ASF files

  698. - SFTP protocol (via libssh)

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

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

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

  702.   the skip_alpha flag.

  703. - ladspa wrapper filter

  704. - native VP9 decoder

  705. - dpx parser

  706. - max_error_rate parameter in ffmpeg

  707. - PulseAudio output device

  708. - ReplayGain scanner

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

  710. - Linux framebuffer output device

  711. - HEVC decoder

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

  713. - mergeplanes filter

  714. 

  715. 

  716. version 2.0:

  717. 

  718. - curves filter

  719. - reference-counting for AVFrame and AVPacket data

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

  721.   or vice versa

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

  723. - perms and aperms filters

  724. - audio filtering support in ffplay

  725. - 10% faster aac encoding on x86 and MIPS

  726. - sine audio filter source

  727. - WebP demuxing and decoding support

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

  729.   filtergraph description to be read from a file

  730. - OpenCL support

  731. - audio phaser filter

  732. - separatefields filter

  733. - libquvi demuxer

  734. - uniform options syntax across all filters

  735. - telecine filter

  736. - interlace filter

  737. - smptehdbars source

  738. - inverse telecine filters (fieldmatch and decimate)

  739. - colorbalance filter

  740. - colorchannelmixer filter

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

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

  743. - decent native animated GIF encoding

  744. - asetrate filter

  745. - interleave filter

  746. - timeline editing with filters

  747. - vidstabdetect and vidstabtransform filters for video stabilization using

  748.   the vid.stab library

  749. - astats filter

  750. - trim and atrim filters

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

  752.   transcoding audio

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

  754. - extractplanes filter

  755. - avectorscope filter

  756. - ADPCM DTK decoder

  757. - ADP demuxer

  758. - RSD demuxer

  759. - RedSpark demuxer

  760. - ADPCM IMA Radical decoder

  761. - zmq filters

  762. - DCT denoiser filter (dctdnoiz)

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

  764. - Apple Intermediate Codec decoder

  765. - Escape 130 video decoder

  766. - FTP protocol support

  767. - V4L2 output device

  768. - 3D LUT filter (lut3d)

  769. - SMPTE 302M audio encoder

  770. - support for slice multithreading in libavfilter

  771. - Hald CLUT support (generation and filtering)

  772. - VC-1 interlaced B-frame support

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

  774. - XVideo output device

  775. - vignette filter

  776. - True Audio (TTA) encoder

  777. - Go2Webinar decoder

  778. - mcdeint filter ported from libmpcodecs

  779. - sab filter ported from libmpcodecs

  780. - ffprobe -show_chapters option

  781. - WavPack encoding through libwavpack

  782. - rotate filter

  783. - spp filter ported from libmpcodecs

  784. - libgme support

  785. - psnr filter

  786. 

  787. 

  788. version 1.2:

  789. 

  790. - VDPAU hardware acceleration through normal hwaccel

  791. - SRTP support

  792. - Error diffusion dither in Swscale

  793. - Chained Ogg support

  794. - Theora Midstream reconfiguration support

  795. - EVRC decoder

  796. - audio fade filter

  797. - filtering audio with unknown channel layout

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

  799.   and treble audio filter

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

  801. - histogram filter

  802. - tee muxer

  803. - il filter ported from libmpcodecs

  804. - support ID3v2 tags in ASF files

  805. - encrypted TTA stream decoding support

  806. - RF64 support in WAV muxer

  807. - noise filter ported from libmpcodecs

  808. - Subtitles character encoding conversion

  809. - blend filter

  810. - stereo3d filter ported from libmpcodecs

  811. 

  812. 

  813. version 1.1:

  814. 

  815. - stream disposition information printing in ffprobe

  816. - filter for loudness analysis following EBU R128

  817. - Opus encoder using libopus

  818. - ffprobe -select_streams option

  819. - Pinnacle TARGA CineWave YUV16 decoder

  820. - TAK demuxer, decoder and parser

  821. - DTS-HD demuxer

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

  823. - FFM2 support

  824. - X-Face image encoder and decoder

  825. - 24-bit FLAC encoding

  826. - multi-channel ALAC encoding up to 7.1

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

  828. - subtitles raw text decoder

  829. - support for building DLLs using MSVC

  830. - LVF demuxer

  831. - ffescape tool

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

  833. - field filter ported from libmpcodecs

  834. - AVR demuxer

  835. - geq filter ported from libmpcodecs

  836. - remove ffserver daemon mode

  837. - AST muxer/demuxer

  838. - new expansion syntax for drawtext

  839. - BRender PIX image decoder

  840. - ffprobe -show_entries option

  841. - ffprobe -sections option

  842. - ADPCM IMA Dialogic decoder

  843. - BRSTM demuxer

  844. - animated GIF decoder and demuxer

  845. - PVF demuxer

  846. - subtitles filter

  847. - IRCAM muxer/demuxer

  848. - Paris Audio File demuxer

  849. - Virtual concatenation demuxer

  850. - VobSub demuxer

  851. - JSON captions for TED talks decoding support

  852. - SOX Resampler support in libswresample

  853. - aselect filter

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

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

  856. - Silicon Graphics Movie demuxer

  857. - apad filter

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

  859. - documentation split into per-component manuals

  860. - pp (postproc) filter ported from MPlayer

  861. - NIST Sphere demuxer

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

  863. - Sony Wave64 muxer

  864. - adobe and limelight publisher authentication in RTMP

  865. - data: URI scheme

  866. - support building on the Plan 9 operating system

  867. - kerndeint filter ported from MPlayer

  868. - histeq filter ported from VirtualDub

  869. - Megalux Frame demuxer

  870. - 012v decoder

  871. - Improved AVC Intra decoding support

  872. 

  873. 

  874. version 1.0:

  875. 

  876. - INI and flat output in ffprobe

  877. - Scene detection in libavfilter

  878. - Indeo Audio decoder

  879. - channelsplit audio filter

  880. - setnsamples audio filter

  881. - atempo filter

  882. - ffprobe -show_data option

  883. - RTMPT protocol support

  884. - iLBC encoding/decoding via libilbc

  885. - Microsoft Screen 1 decoder

  886. - join audio filter

  887. - audio channel mapping filter

  888. - Microsoft ATC Screen decoder

  889. - RTSP listen mode

  890. - TechSmith Screen Codec 2 decoder

  891. - AAC encoding via libfdk-aac

  892. - Microsoft Expression Encoder Screen decoder

  893. - RTMPS protocol support

  894. - RTMPTS protocol support

  895. - RTMPE protocol support

  896. - RTMPTE protocol support

  897. - showwaves and showspectrum filter

  898. - LucasArts SMUSH SANM playback support

  899. - LucasArts SMUSH VIMA audio decoder (ADPCM)

  900. - LucasArts SMUSH demuxer

  901. - SAMI, RealText and SubViewer demuxers and decoders

  902. - Heart Of Darkness PAF playback support

  903. - iec61883 device

  904. - asettb filter

  905. - new option: -progress

  906. - 3GPP Timed Text encoder/decoder

  907. - GeoTIFF decoder support

  908. - ffmpeg -(no)stdin option

  909. - Opus decoder using libopus

  910. - caca output device using libcaca

  911. - alphaextract and alphamerge filters

  912. - concat filter

  913. - flite filter

  914. - Canopus Lossless Codec decoder

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

  916. - MP2 encoding via TwoLAME

  917. - bmp parser

  918. - smptebars source

  919. - asetpts filter

  920. - hue filter

  921. - ICO muxer

  922. - SubRip encoder and decoder without embedded timing

  923. - edge detection filter

  924. - framestep filter

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

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

  927. - volume measurement filter

  928. - Ut Video encoder

  929. - Microsoft Screen 2 decoder

  930. - smartblur filter ported from MPlayer

  931. - CPiA decoder

  932. - decimate filter ported from MPlayer

  933. - RTP depacketization of JPEG

  934. - Smooth Streaming live segmenter muxer

  935. - F4V muxer

  936. - sendcmd and asendcmd filters

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

  938. - RTP packetization of JPEG

  939. - faststart option in the MOV/MP4 muxer

  940. - support for building with MSVC

  941. 

  942. 

  943. version 0.11:

  944. 

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

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

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

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

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

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

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

  952. - setfield filter

  953. - CDXL demuxer and decoder

  954. - Apple ProRes encoder

  955. - ffprobe -count_packets and -count_frames options

  956. - Sun Rasterfile Encoder

  957. - ID3v2 attached pictures reading and writing

  958. - WMA Lossless decoder

  959. - bluray protocol

  960. - blackdetect filter

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

  962. - swapuv filter

  963. - bbox filter

  964. - XBM encoder and decoder

  965. - RealAudio Lossless decoder

  966. - ZeroCodec decoder

  967. - tile video filter

  968. - Metal Gear Solid: The Twin Snakes demuxer

  969. - OpenEXR image decoder

  970. - removelogo filter

  971. - drop support for ffmpeg without libavfilter

  972. - drawtext video filter: fontconfig support

  973. - ffmpeg -benchmark_all option

  974. - super2xsai filter ported from libmpcodecs

  975. - add libavresample audio conversion library for compatibility

  976. - MicroDVD decoder

  977. - Avid Meridien (AVUI) encoder and decoder

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

  979. - complete audio filtering in libavfilter and ffmpeg

  980. - add fps filter

  981. - vorbis parser

  982. - png parser

  983. - audio mix filter

  984. - ffv1: support (draft) version 1.3

  985. 

  986. 

  987. version 0.10:

  988. 

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

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

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

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

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

  994. - SBaGen (SBG) binaural beats script demuxer

  995. - OpenMG Audio muxer

  996. - Timecode extraction in DV and MOV

  997. - thumbnail video filter

  998. - XML output in ffprobe

  999. - asplit audio filter

  1000. - tinterlace video filter

  1001. - astreamsync audio filter

  1002. - amerge audio filter

  1003. - ISMV (Smooth Streaming) muxer

  1004. - GSM audio parser

  1005. - SMJPEG muxer

  1006. - XWD encoder and decoder

  1007. - Automatic thread count based on detection number of (available) CPU cores

  1008. - y41p Brooktree Uncompressed 4:1:1 12-bit encoder and decoder

  1009. - ffprobe -show_error option

  1010. - Avid 1:1 10-bit RGB Packer codec

  1011. - v308 Quicktime Uncompressed 4:4:4 encoder and decoder

  1012. - yuv4 libquicktime packed 4:2:0 encoder and decoder

  1013. - ffprobe -show_frames option

  1014. - silencedetect audio filter

  1015. - ffprobe -show_program_version, -show_library_versions, -show_versions options

  1016. - rv34: frame-level multi-threading

  1017. - optimized iMDCT transform on x86 using SSE for for mpegaudiodec

  1018. - Improved PGS subtitle decoder

  1019. - dumpgraph option to lavfi device

  1020. - r210 and r10k encoders

  1021. - ffwavesynth decoder

  1022. - aviocat tool

  1023. - ffeval tool

  1024. - support encoding and decoding 4-channel SGI images

  1025. 

  1026. 

  1027. version 0.9:

  1028. 

  1029. - openal input device added

  1030. - boxblur filter added

  1031. - BWF muxer

  1032. - Flash Screen Video 2 decoder

  1033. - lavfi input device added

  1034. - added avconv, which is almost the same for now, except

  1035. for a few incompatible changes in the options, which will hopefully make them

  1036. easier to use. The changes are:

  1037.     * The options placement is now strictly enforced! While in theory the

  1038.       options for ffmpeg should be given in [input options] -i INPUT [output

  1039.       options] OUTPUT order, in practice it was possible to give output options

  1040.       before the -i and it mostly worked. Except when it didn't - the behavior was

  1041.       a bit inconsistent. In avconv, it is not possible to mix input and output

  1042.       options. All non-global options are reset after an input or output filename.

  1043.     * All per-file options are now truly per-file - they apply only to the next

  1044.       input or output file and specifying different values for different files

  1045.       will now work properly (notably -ss and -t options).

  1046.     * All per-stream options are now truly per-stream - it is possible to

  1047.       specify which stream(s) should a given option apply to. See the Stream

  1048.       specifiers section in the avconv manual for details.

  1049.     * In ffmpeg some options (like -newvideo/-newaudio/...) are irregular in the

  1050.       sense that they're specified after the output filename instead of before,

  1051.       like all other options. In avconv this irregularity is removed, all options

  1052.       apply to the next input or output file.

  1053.     * -newvideo/-newaudio/-newsubtitle options were removed. Not only were they

  1054.       irregular and highly confusing, they were also redundant. In avconv the -map

  1055.       option will create new streams in the output file and map input streams to

  1056.       them. E.g. avconv -i INPUT -map 0 OUTPUT will create an output stream for

  1057.       each stream in the first input file.

  1058.     * The -map option now has slightly different and more powerful syntax:

  1059.         + Colons (':') are used to separate file index/stream type/stream index

  1060.           instead of dots. Comma (',') is used to separate the sync stream instead

  1061.           of colon.. This is done for consistency with other options.

  1062.         + It's possible to specify stream type. E.g. -map 0:a:2 creates an

  1063.           output stream from the third input audio stream.

  1064.         + Omitting the stream index now maps all the streams of the given type,

  1065.           not just the first. E.g. -map 0:s creates output streams for all the

  1066.           subtitle streams in the first input file.

  1067.         + Since -map can now match multiple streams, negative mappings were

  1068.           introduced. Negative mappings disable some streams from an already

  1069.           defined map. E.g. '-map 0 -map -0:a:1' means 'create output streams for

  1070.           all the stream in the first input file, except for the second audio

  1071.           stream'.

  1072.     * There is a new option -c (or -codec) for choosing the decoder/encoder to

  1073.       use, which makes it possible to precisely specify target stream(s) consistently with

  1074.       other options. E.g. -c:v lib264 sets the codec for all video streams, -c:a:0

  1075.       libvorbis sets the codec for the first audio stream and -c copy copies all

  1076.       the streams without reencoding. Old -vcodec/-acodec/-scodec options are now

  1077.       aliases to -c:v/a/s

  1078.     * It is now possible to precisely specify which stream should an AVOption

  1079.       apply to. E.g. -b:v:0 2M sets the bitrate for the first video stream, while

  1080.       -b:a 128k sets the bitrate for all audio streams. Note that the old -ab 128k

  1081.       syntax is deprecated and will stop working soon.

  1082.     * -map_chapters now takes only an input file index and applies to the next

  1083.       output file. This is consistent with how all the other options work.

  1084.     * -map_metadata now takes only an input metadata specifier and applies to

  1085.       the next output file. Output metadata specifier is now part of the option

  1086.       name, similarly to the AVOptions/map/codec feature above.

  1087.     * -metadata can now be used to set metadata on streams and chapters, e.g.

  1088.       -metadata:s:1 language=eng sets the language of the first stream to 'eng'.

  1089.       This made -vlang/-alang/-slang options redundant, so they were removed.

  1090.     * -qscale option now uses stream specifiers and applies to all streams, not

  1091.       just video. I.e. plain -qscale number would now apply to all streams. To get

  1092.       the old behavior, use -qscale:v. Also there is now a shortcut -q for -qscale

  1093.       and -aq is now an alias for -q:a.

  1094.     * -vbsf/-absf/-sbsf options were removed and replaced by a -bsf option which

  1095.       uses stream specifiers. Use -bsf:v/a/s instead of the old options.

  1096.     * -itsscale option now uses stream specifiers, so its argument is only the

  1097.       scale parameter.

  1098.     * -intra option was removed, use -g 0 for the same effect.

  1099.     * -psnr option was removed, use -flags +psnr for the same effect.

  1100.     * -vf option is now an alias to the new -filter option, which uses stream specifiers.

  1101.     * -vframes/-aframes/-dframes options are now aliases to the new -frames option.

  1102.     * -vtag/-atag/-stag options are now aliases to the new -tag option.

  1103. - XMV demuxer

  1104. - LOAS demuxer

  1105. - ashowinfo filter added

  1106. - Windows Media Image decoder

  1107. - amovie source added

  1108. - LATM muxer/demuxer

  1109. - Speex encoder via libspeex

  1110. - JSON output in ffprobe

  1111. - WTV muxer

  1112. - Optional C++ Support (needed for libstagefright)

  1113. - H.264 Decoding on Android via Stagefright

  1114. - Prores decoder

  1115. - BIN/XBIN/ADF/IDF text file decoder

  1116. - aconvert audio filter added

  1117. - audio support to lavfi input device added

  1118. - libcdio-paranoia input device for audio CD grabbing

  1119. - Apple ProRes decoder

  1120. - CELT in Ogg demuxing

  1121. - G.723.1 demuxer and decoder

  1122. - libmodplug support (--enable-libmodplug)

  1123. - VC-1 interlaced decoding

  1124. - libutvideo wrapper (--enable-libutvideo)

  1125. - aevalsrc audio source added

  1126. - Ut Video decoder

  1127. - Speex encoding via libspeex

  1128. - 4:2:2 H.264 decoding support

  1129. - 4:2:2 and 4:4:4 H.264 encoding with libx264

  1130. - Pulseaudio input device

  1131. - Prores encoder

  1132. - Video Decoder Acceleration (VDA) HWAccel module.

  1133. - replacement Indeo 3 decoder

  1134. - new ffmpeg option: -map_channel

  1135. - volume audio filter added

  1136. - earwax audio filter added

  1137. - libv4l2 support (--enable-libv4l2)

  1138. - TLS/SSL and HTTPS protocol support

  1139. - AVOptions API rewritten and documented

  1140. - most of CODEC_FLAG2_*, some CODEC_FLAG_* and many codec-specific fields in

  1141.   AVCodecContext deprecated. Codec private options should be used instead.

  1142. - Properly working defaults in libx264 wrapper, support for native presets.

  1143. - Encrypted OMA files support

  1144. - Discworld II BMV decoding support

  1145. - VBLE Decoder

  1146. - OS X Video Decoder Acceleration (VDA) support

  1147. - compact and csv output in ffprobe

  1148. - pan audio filter

  1149. - IFF Amiga Continuous Bitmap (ACBM) decoder

  1150. - ass filter

  1151. - CRI ADX audio format muxer and demuxer

  1152. - Playstation Portable PMP format demuxer

  1153. - Microsoft Windows ICO demuxer

  1154. - life source

  1155. - PCM format support in OMA demuxer

  1156. - CLJR encoder

  1157. - new option: -report

  1158. - Dxtory capture format decoder

  1159. - cellauto source

  1160. - Simple segmenting muxer

  1161. - Indeo 4 decoder

  1162. - SMJPEG demuxer

  1163. 

  1164. 

  1165. version 0.8:

  1166. 

  1167. - many many things we forgot because we rather write code than changelogs

  1168. - WebM support in Matroska de/muxer

  1169. - low overhead Ogg muxing

  1170. - MMS-TCP support

  1171. - VP8 de/encoding via libvpx

  1172. - Demuxer for On2's IVF format

  1173. - Pictor/PC Paint decoder

  1174. - HE-AAC v2 decoder

  1175. - HE-AAC v2 encoding with libaacplus

  1176. - libfaad2 wrapper removed

  1177. - DTS-ES extension (XCh) decoding support

  1178. - native VP8 decoder

  1179. - RTSP tunneling over HTTP

  1180. - RTP depacketization of SVQ3

  1181. - -strict inofficial replaced by -strict unofficial

  1182. - ffplay -exitonkeydown and -exitonmousedown options added

  1183. - native GSM / GSM MS decoder

  1184. - RTP depacketization of QDM2

  1185. - ANSI/ASCII art playback system

  1186. - Lego Mindstorms RSO de/muxer

  1187. - libavcore added (and subsequently removed)

  1188. - SubRip subtitle file muxer and demuxer

  1189. - Chinese AVS encoding via libxavs

  1190. - ffprobe -show_packets option added

  1191. - RTP packetization of Theora and Vorbis

  1192. - RTP depacketization of MP4A-LATM

  1193. - RTP packetization and depacketization of VP8

  1194. - hflip filter

  1195. - Apple HTTP Live Streaming demuxer

  1196. - a64 codec

  1197. - MMS-HTTP support

  1198. - G.722 ADPCM audio encoder/decoder

  1199. - R10k video decoder

  1200. - ocv_smooth filter

  1201. - frei0r wrapper filter

  1202. - change crop filter syntax to width:height:x:y

  1203. - make the crop filter accept parametric expressions

  1204. - make ffprobe accept AVFormatContext options

  1205. - yadif filter

  1206. - blackframe filter

  1207. - Demuxer for Leitch/Harris' VR native stream format (LXF)

  1208. - RTP depacketization of the X-QT QuickTime format

  1209. - SAP (Session Announcement Protocol, RFC 2974) muxer and demuxer

  1210. - cropdetect filter

  1211. - ffmpeg -crop* options removed

  1212. - transpose filter added

  1213. - ffmpeg -force_key_frames option added

  1214. - demuxer for receiving raw rtp:// URLs without an SDP description

  1215. - single stream LATM/LOAS decoder

  1216. - setpts filter added

  1217. - Win64 support for optimized x86 assembly functions

  1218. - MJPEG/AVI1 to JPEG/JFIF bitstream filter

  1219. - ASS subtitle encoder and decoder

  1220. - IEC 61937 encapsulation for E-AC-3, TrueHD, DTS-HD (for HDMI passthrough)

  1221. - overlay filter added

  1222. - rename aspect filter to setdar, and pixelaspect to setsar

  1223. - IEC 61937 demuxer

  1224. - Mobotix .mxg demuxer

  1225. - frei0r source added

  1226. - hqdn3d filter added

  1227. - RTP depacketization of QCELP

  1228. - FLAC parser added

  1229. - gradfun filter added

  1230. - AMR-WB decoder

  1231. - replace the ocv_smooth filter with a more generic ocv filter

  1232. - Windows Televison (WTV) demuxer

  1233. - FFmpeg metadata format muxer and demuxer

  1234. - SubRip (srt) subtitle encoder and decoder

  1235. - floating-point AC-3 encoder added

  1236. - Lagarith decoder

  1237. - ffmpeg -copytb option added

  1238. - IVF muxer added

  1239. - Wing Commander IV movies decoder added

  1240. - movie source added

  1241. - Bink version 'b' audio and video decoder

  1242. - Bitmap Brothers JV playback system

  1243. - Apple HTTP Live Streaming protocol handler

  1244. - sndio support for playback and record

  1245. - Linux framebuffer input device added

  1246. - Chronomaster DFA decoder

  1247. - DPX image encoder

  1248. - MicroDVD subtitle file muxer and demuxer

  1249. - Playstation Portable PMP format demuxer

  1250. - fieldorder video filter added

  1251. - AAC encoding via libvo-aacenc

  1252. - AMR-WB encoding via libvo-amrwbenc

  1253. - xWMA demuxer

  1254. - Mobotix MxPEG decoder

  1255. - VP8 frame-multithreading

  1256. - NEON optimizations for VP8

  1257. - Lots of deprecated API cruft removed

  1258. - fft and imdct optimizations for AVX (Sandy Bridge) processors

  1259. - showinfo filter added

  1260. - SMPTE 302M AES3 audio decoder

  1261. - Apple Core Audio Format muxer

  1262. - 9 bits and 10 bits per sample support in the H.264 decoder

  1263. - 9 bits and 10 bits FFV1 encoding / decoding

  1264. - split filter added

  1265. - select filter added

  1266. - sdl output device added

  1267. - libmpcodecs video filter support (3 times as many filters than before)

  1268. - mpeg2 aspect ratio dection fixed

  1269. - libxvid aspect pickiness fixed

  1270. - Frame multithreaded decoding

  1271. - E-AC-3 audio encoder

  1272. - ac3enc: add channel coupling support

  1273. - floating-point sample format support to the ac3, eac3, dca, aac, and vorbis decoders.

  1274. - H264/MPEG frame-level multi-threading

  1275. - All av_metadata_* functions renamed to av_dict_* and moved to libavutil

  1276. - 4:4:4 H.264 decoding support

  1277. - 10-bit H.264 optimizations for x86

  1278. - lut, lutrgb, and lutyuv filters added

  1279. - buffersink libavfilter sink added

  1280. - Bump libswscale for recently reported ABI break

  1281. - New J2K encoder (via OpenJPEG)

  1282. 

  1283. 

  1284. version 0.7:

  1285. 

  1286. - all the changes for 0.8, but keeping API/ABI compatibility with the 0.6 release

  1287. 

  1288. 

  1289. version 0.6:

  1290. 

  1291. - PB-frame decoding for H.263

  1292. - deprecated vhook subsystem removed

  1293. - deprecated old scaler removed

  1294. - VQF demuxer

  1295. - Alpha channel scaler

  1296. - PCX encoder

  1297. - RTP packetization of H.263

  1298. - RTP packetization of AMR

  1299. - RTP depacketization of Vorbis

  1300. - CorePNG decoding support

  1301. - Cook multichannel decoding support

  1302. - introduced avlanguage helpers in libavformat

  1303. - 8088flex TMV demuxer and decoder

  1304. - per-stream language-tags extraction in asfdec

  1305. - V210 decoder and encoder

  1306. - remaining GPL parts in AC-3 decoder converted to LGPL

  1307. - QCP demuxer

  1308. - SoX native format muxer and demuxer

  1309. - AMR-NB decoding/encoding, AMR-WB decoding via OpenCORE libraries

  1310. - DPX image decoder

  1311. - Electronic Arts Madcow decoder

  1312. - DivX (XSUB) subtitle encoder

  1313. - nonfree libamr support for AMR-NB/WB decoding/encoding removed

  1314. - experimental AAC encoder

  1315. - RTP depacketization of ASF and RTSP from WMS servers

  1316. - RTMP support in libavformat

  1317. - noX handling for OPT_BOOL X options

  1318. - Wave64 demuxer

  1319. - IEC-61937 compatible Muxer

  1320. - TwinVQ decoder

  1321. - Bluray (PGS) subtitle decoder

  1322. - LPCM support in MPEG-TS (HDMV RID as found on Blu-ray disks)

  1323. - WMA Pro decoder

  1324. - Core Audio Format demuxer

  1325. - ATRAC1 decoder

  1326. - MD STUDIO audio demuxer

  1327. - RF64 support in WAV demuxer

  1328. - MPEG-4 Audio Lossless Coding (ALS) decoder

  1329. - -formats option split into -formats, -codecs, -bsfs, and -protocols

  1330. - IV8 demuxer

  1331. - CDG demuxer and decoder

  1332. - R210 decoder

  1333. - Auravision Aura 1 and 2 decoders

  1334. - Deluxe Paint Animation playback system

  1335. - SIPR decoder

  1336. - Adobe Filmstrip muxer and demuxer

  1337. - RTP depacketization of H.263

  1338. - Bink demuxer and audio/video decoders

  1339. - enable symbol versioning by default for linkers that support it

  1340. - IFF PBM/ILBM bitmap decoder

  1341. - concat protocol

  1342. - Indeo 5 decoder

  1343. - RTP depacketization of AMR

  1344. - WMA Voice decoder

  1345. - ffprobe tool

  1346. - AMR-NB decoder

  1347. - RTSP muxer

  1348. - HE-AAC v1 decoder

  1349. - Kega Game Video (KGV1) decoder

  1350. - VorbisComment writing for FLAC, Ogg FLAC and Ogg Speex files

  1351. - RTP depacketization of Theora

  1352. - HTTP Digest authentication

  1353. - RTMP/RTMPT/RTMPS/RTMPE/RTMPTE protocol support via librtmp

  1354. - Psygnosis YOP demuxer and video decoder

  1355. - spectral extension support in the E-AC-3 decoder

  1356. - unsharp video filter

  1357. - RTP hinting in the mov/3gp/mp4 muxer

  1358. - Dirac in Ogg demuxing

  1359. - seek to keyframes in Ogg

  1360. - 4:2:2 and 4:4:4 Theora decoding

  1361. - 35% faster VP3/Theora decoding

  1362. - faster AAC decoding

  1363. - faster H.264 decoding

  1364. - RealAudio 1.0 (14.4K) encoder

  1365. 

  1366. 

  1367. version 0.5:

  1368. 

  1369. - DV50 AKA DVCPRO50 encoder, decoder, muxer and demuxer

  1370. - TechSmith Camtasia (TSCC) video decoder

  1371. - IBM Ultimotion (ULTI) video decoder

  1372. - Sierra Online audio file demuxer and decoder

  1373. - Apple QuickDraw (qdrw) video decoder

  1374. - Creative ADPCM audio decoder (16 bits as well as 8 bits schemes)

  1375. - Electronic Arts Multimedia (WVE/UV2/etc.) file demuxer

  1376. - Miro VideoXL (VIXL) video decoder

  1377. - H.261 video encoder

  1378. - QPEG video decoder

  1379. - Nullsoft Video (NSV) file demuxer

  1380. - Shorten audio decoder

  1381. - LOCO video decoder

  1382. - Apple Lossless Audio Codec (ALAC) decoder

  1383. - Winnov WNV1 video decoder

  1384. - Autodesk Animator Studio Codec (AASC) decoder

  1385. - Indeo 2 video decoder

  1386. - Fraps FPS1 video decoder

  1387. - Snow video encoder/decoder

  1388. - Sonic audio encoder/decoder

  1389. - Vorbis audio decoder

  1390. - Macromedia ADPCM decoder

  1391. - Duck TrueMotion 2 video decoder

  1392. - support for decoding FLX and DTA extensions in FLIC files

  1393. - H.264 custom quantization matrices support

  1394. - ffserver fixed, it should now be usable again

  1395. - QDM2 audio decoder

  1396. - Real Cooker audio decoder

  1397. - TrueSpeech audio decoder

  1398. - WMA2 audio decoder fixed, now all files should play correctly

  1399. - RealAudio 14.4 and 28.8 decoders fixed

  1400. - JPEG-LS decoder

  1401. - build system improvements

  1402. - tabs and trailing whitespace removed from the codebase

  1403. - CamStudio video decoder

  1404. - AIFF/AIFF-C audio format, encoding and decoding

  1405. - ADTS AAC file reading and writing

  1406. - Creative VOC file reading and writing

  1407. - American Laser Games multimedia (*.mm) playback system

  1408. - Zip Motion Blocks Video decoder

  1409. - improved Theora/VP3 decoder

  1410. - True Audio (TTA) decoder

  1411. - AVS demuxer and video decoder

  1412. - JPEG-LS encoder

  1413. - Smacker demuxer and decoder

  1414. - NuppelVideo/MythTV demuxer and RTjpeg decoder

  1415. - KMVC decoder

  1416. - MPEG-2 intra VLC support

  1417. - MPEG-2 4:2:2 encoder

  1418. - Flash Screen Video decoder

  1419. - GXF demuxer

  1420. - Chinese AVS decoder

  1421. - GXF muxer

  1422. - MXF demuxer

  1423. - VC-1/WMV3/WMV9 video decoder

  1424. - MacIntel support

  1425. - AviSynth support

  1426. - VMware video decoder

  1427. - VP5 video decoder

  1428. - VP6 video decoder

  1429. - WavPack lossless audio decoder

  1430. - Targa (.TGA) picture decoder

  1431. - Vorbis audio encoder

  1432. - Delphine Software .cin demuxer/audio and video decoder

  1433. - Tiertex .seq demuxer/video decoder

  1434. - MTV demuxer

  1435. - TIFF picture encoder and decoder

  1436. - GIF picture decoder

  1437. - Intel Music Coder decoder

  1438. - Zip Motion Blocks Video encoder

  1439. - Musepack decoder

  1440. - Flash Screen Video encoder

  1441. - Theora encoding via libtheora

  1442. - BMP encoder

  1443. - WMA encoder

  1444. - GSM-MS encoder and decoder

  1445. - DCA decoder

  1446. - DXA demuxer and decoder

  1447. - DNxHD decoder

  1448. - Gamecube movie (.THP) playback system

  1449. - Blackfin optimizations

  1450. - Interplay C93 demuxer and video decoder

  1451. - Bethsoft VID demuxer and video decoder

  1452. - CRYO APC demuxer

  1453. - ATRAC3 decoder

  1454. - V.Flash PTX decoder

  1455. - RoQ muxer, RoQ audio encoder

  1456. - Renderware TXD demuxer and decoder

  1457. - extern C declarations for C++ removed from headers

  1458. - sws_flags command line option

  1459. - codebook generator

  1460. - RoQ video encoder

  1461. - QTRLE encoder

  1462. - OS/2 support removed and restored again

  1463. - AC-3 decoder

  1464. - NUT muxer

  1465. - additional SPARC (VIS) optimizations

  1466. - Matroska muxer

  1467. - slice-based parallel H.264 decoding

  1468. - Monkey's Audio demuxer and decoder

  1469. - AMV audio and video decoder

  1470. - DNxHD encoder

  1471. - H.264 PAFF decoding

  1472. - Nellymoser ASAO decoder

  1473. - Beam Software SIFF demuxer and decoder

  1474. - libvorbis Vorbis decoding removed in favor of native decoder

  1475. - IntraX8 (J-Frame) subdecoder for WMV2 and VC-1

  1476. - Ogg (Theora, Vorbis and FLAC) muxer

  1477. - The "device" muxers and demuxers are now in a new libavdevice library

  1478. - PC Paintbrush PCX decoder

  1479. - Sun Rasterfile decoder

  1480. - TechnoTrend PVA demuxer

  1481. - Linux Media Labs MPEG-4 (LMLM4) demuxer

  1482. - AVM2 (Flash 9) SWF muxer

  1483. - QT variant of IMA ADPCM encoder

  1484. - VFW grabber

  1485. - iPod/iPhone compatible mp4 muxer

  1486. - Mimic decoder

  1487. - MSN TCP Webcam stream demuxer

  1488. - RL2 demuxer / decoder

  1489. - IFF demuxer

  1490. - 8SVX audio decoder

  1491. - non-recursive Makefiles

  1492. - BFI demuxer

  1493. - MAXIS EA XA (.xa) demuxer / decoder

  1494. - BFI video decoder

  1495. - OMA demuxer

  1496. - MLP/TrueHD decoder

  1497. - Electronic Arts CMV decoder

  1498. - Motion Pixels Video decoder

  1499. - Motion Pixels MVI demuxer

  1500. - removed animated GIF decoder/demuxer

  1501. - D-Cinema audio muxer

  1502. - Electronic Arts TGV decoder

  1503. - Apple Lossless Audio Codec (ALAC) encoder

  1504. - AAC decoder

  1505. - floating point PCM encoder/decoder

  1506. - MXF muxer

  1507. - DV100 AKA DVCPRO HD decoder and demuxer

  1508. - E-AC-3 support added to AC-3 decoder

  1509. - Nellymoser ASAO encoder

  1510. - ASS and SSA demuxer and muxer

  1511. - liba52 wrapper removed

  1512. - SVQ3 watermark decoding support

  1513. - Speex decoding via libspeex

  1514. - Electronic Arts TGQ decoder

  1515. - RV40 decoder

  1516. - QCELP / PureVoice decoder

  1517. - RV30 decoder

  1518. - hybrid WavPack support

  1519. - R3D REDCODE demuxer

  1520. - ALSA support for playback and record

  1521. - Electronic Arts TQI decoder

  1522. - OpenJPEG based JPEG 2000 decoder

  1523. - NC (NC4600) camera file demuxer

  1524. - Gopher client support

  1525. - MXF D-10 muxer

  1526. - generic metadata API

  1527. - flash ScreenVideo2 encoder

  1528. 

  1529. 

  1530. version 0.4.9-pre1:

  1531. 

  1532. - DV encoder, DV muxer

  1533. - Microsoft RLE video decoder

  1534. - Microsoft Video-1 decoder

  1535. - Apple Animation (RLE) decoder

  1536. - Apple Graphics (SMC) decoder

  1537. - Apple Video (RPZA) decoder

  1538. - Cinepak decoder

  1539. - Sega FILM (CPK) file demuxer

  1540. - Westwood multimedia support (VQA & AUD files)

  1541. - Id Quake II CIN playback support

  1542. - 8BPS video decoder

  1543. - FLIC playback support

  1544. - RealVideo 2.0 (RV20) decoder

  1545. - Duck TrueMotion v1 (DUCK) video decoder

  1546. - Sierra VMD demuxer and video decoder

  1547. - MSZH and ZLIB decoder support

  1548. - SVQ1 video encoder

  1549. - AMR-WB support

  1550. - PPC optimizations

  1551. - rate distortion optimal cbp support

  1552. - rate distorted optimal ac prediction for MPEG-4

  1553. - rate distorted optimal lambda->qp support

  1554. - AAC encoding with libfaac

  1555. - Sunplus JPEG codec (SP5X) support

  1556. - use Lagrange multiplier instead of QP for ratecontrol

  1557. - Theora/VP3 decoding support

  1558. - XA and ADX ADPCM codecs

  1559. - export MPEG-2 active display area / pan scan

  1560. - Add support for configuring with IBM XLC

  1561. - floating point AAN DCT

  1562. - initial support for zygo video (not complete)

  1563. - RGB ffv1 support

  1564. - new audio/video parser API

  1565. - av_log() system

  1566. - av_read_frame() and av_seek_frame() support

  1567. - missing last frame fixes

  1568. - seek by mouse in ffplay

  1569. - noise reduction of DCT coefficients

  1570. - H.263 OBMC & 4MV support

  1571. - H.263 alternative inter vlc support

  1572. - H.263 loop filter

  1573. - H.263 slice structured mode

  1574. - interlaced DCT support for MPEG-2 encoding

  1575. - stuffing to stay above min_bitrate

  1576. - MB type & QP visualization

  1577. - frame stepping for ffplay

  1578. - interlaced motion estimation

  1579. - alternate scantable support

  1580. - SVCD scan offset support

  1581. - closed GOP support

  1582. - SSE2 FDCT

  1583. - quantizer noise shaping

  1584. - G.726 ADPCM audio codec

  1585. - MS ADPCM encoding

  1586. - multithreaded/SMP motion estimation

  1587. - multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263

  1588. - multithreaded/SMP decoding for MPEG-2

  1589. - FLAC decoder

  1590. - Metrowerks CodeWarrior suppport

  1591. - H.263+ custom pcf support

  1592. - nicer output for 'ffmpeg -formats'

  1593. - Matroska demuxer

  1594. - SGI image format, encoding and decoding

  1595. - H.264 loop filter support

  1596. - H.264 CABAC support

  1597. - nicer looking arrows for the motion vector visualization

  1598. - improved VCD support

  1599. - audio timestamp drift compensation

  1600. - MPEG-2 YUV 422/444 support

  1601. - polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample

  1602. - better image scaling

  1603. - H.261 support

  1604. - correctly interleave packets during encoding

  1605. - VIS optimized motion compensation

  1606. - intra_dc_precision>0 encoding support

  1607. - support reuse of motion vectors/MB types/field select values of the source video

  1608. - more accurate deblock filter

  1609. - padding support

  1610. - many optimizations and bugfixes

  1611. - FunCom ISS audio file demuxer and according ADPCM decoding

  1612. 

  1613. 

  1614. version 0.4.8:

  1615. 

  1616. - MPEG-2 video encoding (Michael)

  1617. - Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)

  1618. - Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson

  1619.   and Mario Brito)

  1620. - Xan DPCM audio decoder (Mario Brito)

  1621. - Interplay MVE playback subsystem (Mike Melanson)

  1622. - Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)

  1623. 

  1624. 

  1625. version 0.4.7:

  1626. 

  1627. - RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from mplayerhq

  1628.   (originally from public domain player for Amiga at http://www.honeypot.net/audio)

  1629. - current version now also compiles with older GCC (Fabrice)

  1630. - 4X multimedia playback system including 4xm file demuxer (Mike

  1631.   Melanson), and 4X video and audio codecs (Michael)

  1632. - Creative YUV (CYUV) decoder (Mike Melanson)

  1633. - FFV1 codec (our very simple lossless intra only codec, compresses much better

  1634.   than HuffYUV) (Michael)

  1635. - ASV1 (Asus), H.264, Intel indeo3 codecs have been added (various)

  1636. - tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with

  1637.   alpha support), JPEG YUV colorspace support. (Fabrice Bellard)

  1638. - ffplay has been replaced with a newer version which uses SDL (optionally)

  1639.   for multiplatform support (Fabrice)

  1640. - Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated

  1641.   by anonymous

  1642. - AMR format has been added (Johannes Carlsson)

  1643. - 3GP support has been added (Johannes Carlsson)

  1644. - VP3 codec has been added (Mike Melanson)

  1645. - more MPEG-1/2 fixes

  1646. - better multiplatform support, MS Visual Studio fixes (various)

  1647. - AltiVec optimizations (Magnus Damn and others)

  1648. - SH4 processor support has been added (BERO)

  1649. - new public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)

  1650. - VOB streaming support (Brian Foley)

  1651. - better MP3 autodetection (Andriy Rysin)

  1652. - qpel encoding (Michael)

  1653. - 4mv+b frames encoding finally fixed (Michael)

  1654. - chroma ME (Michael)

  1655. - 5 comparison functions for ME (Michael)

  1656. - B-frame encoding speedup (Michael)

  1657. - WMV2 codec (unfinished - Michael)

  1658. - user specified diamond size for EPZS (Michael)

  1659. - Playstation STR playback subsystem, still experimental (Mike and Michael)

  1660. - ASV2 codec (Michael)

  1661. - CLJR decoder (Alex)

  1662. 

  1663. .. And lots more new enhancements and fixes.

  1664. 

  1665. 

  1666. version 0.4.6:

  1667. 

  1668. - completely new integer only MPEG audio layer 1/2/3 decoder rewritten

  1669.   from scratch

  1670. - Recoded DCT and motion vector search with gcc (no longer depends on nasm)

  1671. - fix quantization bug in AC3 encoder

  1672. - added PCM codecs and format. Corrected WAV/AVI/ASF PCM issues

  1673. - added prototype ffplay program

  1674. - added GOB header parsing on H.263/H.263+ decoder (Juanjo)

  1675. - bug fix on MCBPC tables of H.263 (Juanjo)

  1676. - bug fix on DC coefficients of H.263 (Juanjo)

  1677. - added Advanced Prediction Mode on H.263/H.263+ decoder (Juanjo)

  1678. - now we can decode H.263 streams found in QuickTime files (Juanjo)

  1679. - now we can decode H.263 streams found in VIVO v1 files(Juanjo)

  1680. - preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)

  1681. - added GOB header for H.263/H.263+ coding on RTP mode (Juanjo)

  1682. - now H.263 picture size is returned on the first decoded frame (Juanjo)

  1683. - added first regression tests

  1684. - added MPEG-2 TS demuxer

  1685. - new demux API for libav

  1686. - more accurate and faster IDCT (Michael)

  1687. - faster and entropy-controlled motion search (Michael)

  1688. - two pass video encoding (Michael)

  1689. - new video rate control (Michael)

  1690. - added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)

  1691. - great performance improvement of video encoders and decoders (Michael)

  1692. - new and faster bit readers and vlc parsers (Michael)

  1693. - high quality encoding mode: tries all macroblock/VLC types (Michael)

  1694. - added DV video decoder

  1695. - preliminary RTP/RTSP support in ffserver and libavformat

  1696. - H.263+ AIC decoding/encoding support (Juanjo)

  1697. - VCD MPEG-PS mode (Juanjo)

  1698. - PSNR stuff (Juanjo)

  1699. - simple stats output (Juanjo)

  1700. - 16-bit and 15-bit RGB/BGR/GBR support (Bisqwit)

  1701. 

  1702. 

  1703. version 0.4.5:

  1704. 

  1705. - some header fixes (Zdenek Kabelac <kabi at informatics.muni.cz>)

  1706. - many MMX optimizations (Nick Kurshev <nickols_k at mail.ru>)

  1707. - added configure system (actually a small shell script)

  1708. - added MPEG audio layer 1/2/3 decoding using LGPL'ed mpglib by

  1709.   Michael Hipp (temporary solution - waiting for integer only

  1710.   decoder)

  1711. - fixed VIDIOCSYNC interrupt

  1712. - added Intel H.263 decoding support ('I263' AVI fourCC)

  1713. - added Real Video 1.0 decoding (needs further testing)

  1714. - simplified image formats again. Added PGM format (=grey

  1715.   pgm). Renamed old PGM to PGMYUV.

  1716. - fixed msmpeg4 slice issues (tell me if you still find problems)

  1717. - fixed OpenDivX bugs with newer versions (added VOL header decoding)

  1718. - added support for MPlayer interface

  1719. - added macroblock skip optimization

  1720. - added MJPEG decoder

  1721. - added mmx/mmxext IDCT from libmpeg2

  1722. - added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer

  1723.   <celer at shell.scrypt.net>)

  1724. - added pixel format conversion layer (e.g. for MJPEG or PPM)

  1725. - added deinterlacing option

  1726. - MPEG-1/2 fixes

  1727. - MPEG-4 vol header fixes (Jonathan Marsden <snmjbm at pacbell.net>)

  1728. - ARM optimizations (Lionel Ulmer <lionel.ulmer at free.fr>).

  1729. - Windows porting of file converter

  1730. - added MJPEG raw format (input/output)

  1731. - added JPEG image format support (input/output)

  1732. 

  1733. 

  1734. version 0.4.4:

  1735. 

  1736. - fixed some std header definitions (Bjorn Lindgren

  1737.   <bjorn.e.lindgren at telia.com>).

  1738. - added MPEG demuxer (MPEG-1 and 2 compatible).

  1739. - added ASF demuxer

  1740. - added prototype RM demuxer

  1741. - added AC3 decoding (done with libac3 by Aaron Holtzman)

  1742. - added decoding codec parameter guessing (.e.g. for MPEG, because the

  1743.   header does not include them)

  1744. - fixed header generation in MPEG-1, AVI and ASF muxer: wmplayer can now

  1745.   play them (only tested video)

  1746. - fixed H.263 white bug

  1747. - fixed phase rounding in img resample filter

  1748. - add MMX code for polyphase img resample filter

  1749. - added CPU autodetection

  1750. - added generic title/author/copyright/comment string handling (ASF and RM

  1751.   use them)

  1752. - added SWF demux to extract MP3 track (not usable yet because no MP3

  1753.   decoder)

  1754. - added fractional frame rate support

  1755. - codecs are no longer searched by read_header() (should fix ffserver

  1756.   segfault)

  1757. 

  1758. 

  1759. version 0.4.3:

  1760. 

  1761. - BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq at amsat.org>)

  1762. - fixed raw yuv output

  1763. - added motion rounding support in MPEG-4

  1764. - fixed motion bug rounding in MSMPEG4

  1765. - added B-frame handling in video core

  1766. - added full MPEG-1 decoding support

  1767. - added partial (frame only) MPEG-2 support

  1768. - changed the FOURCC code for H.263 to "U263" to be able to see the

  1769.   +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with

  1770.   this +codec ;) (JuanJo).

  1771. - Halfpel motion estimation after MB type selection (JuanJo)

  1772. - added pgm and .Y.U.V output format

  1773. - suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or

  1774.   output.

  1775. - added pgmpipe I/O format (original patch from Martin Aumueller

  1776.   <lists at reserv.at>, but changed completely since we use a format

  1777.   instead of a protocol)

  1778. 

  1779. 

  1780. version 0.4.2:

  1781. 

  1782. - added H.263/MPEG-4/MSMPEG4 decoding support. MPEG-4 decoding support

  1783.   (for OpenDivX) is almost complete: 8x8 MVs and rounding are

  1784.   missing. MSMPEG4 support is complete.

  1785. - added prototype MPEG-1 decoder. Only I- and P-frames handled yet (it

  1786.   can decode ffmpeg MPEGs :-)).

  1787. - added libavcodec API documentation (see apiexample.c).

  1788. - fixed image polyphase bug (the bottom of some images could be

  1789.   greenish)

  1790. - added support for non clipped motion vectors (decoding only)

  1791.   and image sizes non-multiple of 16

  1792. - added support for AC prediction (decoding only)

  1793. - added file overwrite confirmation (can be disabled with -y)

  1794. - added custom size picture to H.263 using H.263+ (Juanjo)

  1795. 

  1796. 

  1797. version 0.4.1:

  1798. 

  1799. - added MSMPEG4 (aka DivX) compatible encoder. Changed default codec

  1800.   of AVI and ASF to DIV3.

  1801. - added -me option to set motion estimation method

  1802.   (default=log). suppressed redundant -hq option.

  1803. - added options -acodec and -vcodec to force a given codec (useful for

  1804.   AVI for example)

  1805. - fixed -an option

  1806. - improved dct_quantize speed

  1807. - factorized some motion estimation code

  1808. 

  1809. 

  1810. version 0.4.0:

  1811. 

  1812. - removing grab code from ffserver and moved it to ffmpeg. Added

  1813.   multistream support to ffmpeg.

  1814. - added timeshifting support for live feeds (option ?date=xxx in the

  1815.   URL)

  1816. - added high quality image resize code with polyphase filter (need

  1817.   mmx/see optimization). Enable multiple image size support in ffserver.

  1818. - added multi live feed support in ffserver

  1819. - suppressed master feature from ffserver (it should be done with an

  1820.   external program which opens the .ffm url and writes it to another

  1821.   ffserver)

  1822. - added preliminary support for video stream parsing (WAV and AVI half

  1823.   done). Added proper support for audio/video file conversion in

  1824.   ffmpeg.

  1825. - added preliminary support for video file sending from ffserver

  1826. - redesigning I/O subsystem: now using URL based input and output

  1827.   (see avio.h)

  1828. - added WAV format support

  1829. - added "tty user interface" to ffmpeg to stop grabbing gracefully

  1830. - added MMX/SSE optimizations to SAD (Sums of Absolutes Differences)

  1831.   (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo at atmlab.utfsm.cl>)

  1832. - added MMX DCT from mpeg2_movie 1.5 (Juanjo)

  1833. - added new motion estimation algorithms, log and phods (Juanjo)

  1834. - changed directories: libav for format handling, libavcodec for

  1835.   codecs

  1836. 

  1837. 

  1838. version 0.3.4:

  1839. 

  1840. - added stereo in MPEG audio encoder

  1841. 

  1842. 

  1843. version 0.3.3:

  1844. 

  1845. - added 'high quality' mode which use motion vectors. It can be used in

  1846.   real time at low resolution.

  1847. - fixed rounding problems which caused quality problems at high

  1848.   bitrates and large GOP size

  1849. 

  1850. 

  1851. version 0.3.2: small fixes

  1852. 

  1853. - ASF fixes

  1854. - put_seek bug fix

  1855. 

  1856. 

  1857. version 0.3.1: added avi/divx support

  1858. 

  1859. - added AVI support

  1860. - added MPEG-4 codec compatible with OpenDivX. It is based on the H.263 codec

  1861. - added sound for flash format (not tested)

  1862. 

  1863. 

  1864. version 0.3: initial public release