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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. 

  71. 

  72. version 4.2:

  73. - tpad filter

  74. - AV1 decoding support through libdav1d

  75. - dedot filter

  76. - chromashift and rgbashift filters

  77. - freezedetect filter

  78. - truehd_core bitstream filter

  79. - dhav demuxer

  80. - PCM-DVD encoder

  81. - GIF parser

  82. - vividas demuxer

  83. - hymt decoder

  84. - anlmdn filter

  85. - maskfun filter

  86. - hcom demuxer and decoder

  87. - ARBC decoder

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

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

  90. - removed libndi-newtek

  91. - agm decoder

  92. - KUX demuxer

  93. - AV1 frame split bitstream filter

  94. - lscr decoder

  95. - lagfun filter

  96. - asoftclip filter

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

  98. - colorhold filter

  99. - xmedian filter

  100. - asr filter

  101. - showspatial multimedia filter

  102. - VP4 video decoder

  103. - IFV demuxer

  104. - derain filter

  105. - deesser filter

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

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

  108. 

  109. 

  110. version 4.1:

  111. - deblock filter

  112. - tmix filter

  113. - amplify filter

  114. - fftdnoiz filter

  115. - aderivative and aintegral audio filters

  116. - pal75bars and pal100bars video filter sources

  117. - support mbedTLS based TLS

  118. - adeclick filter

  119. - adeclip filter

  120. - libtensorflow backend for DNN based filters like srcnn

  121. - vc1 decoder is now bit-exact

  122. - ATRAC9 decoder

  123. - lensfun wrapper filter

  124. - colorconstancy filter

  125. - AVS2 video decoder via libdavs2

  126. - IMM4 video decoder

  127. - Brooktree ProSumer video decoder

  128. - MatchWare Screen Capture Codec decoder

  129. - WinCam Motion Video decoder

  130. - 1D LUT filter (lut1d)

  131. - RemotelyAnywhere Screen Capture decoder

  132. - cue and acue filters

  133. - support for AV1 in MP4

  134. - transpose_npp filter

  135. - AVS2 video encoder via libxavs2

  136. - amultiply filter

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

  138. - acrossover filter

  139. - ilbc decoder

  140. - audio denoiser as afftdn filter

  141. - AV1 parser

  142. - SER demuxer

  143. - sinc audio filter source

  144. - chromahold filter

  145. - setparams filter

  146. - vibrance filter

  147. - decoding S12M timecode in h264

  148. - xstack filter

  149. - pcm vidc decoder and encoder

  150. - (a)graphmonitor filter

  151. - yadif_cuda filter

  152. 

  153. 

  154. version 4.0:

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

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

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

  158. - VDA dropped (use VideoToolbox instead)

  159. - MagicYUV encoder

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

  161. - TiVo ty/ty+ demuxer

  162. - Intel QSV-accelerated MJPEG encoding

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

  164. - native aptX and aptX HD encoder and decoder

  165. - Raw aptX and aptX HD muxer and demuxer

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

  167. - Intel QSV-accelerated overlay filter

  168. - mcompand audio filter

  169. - acontrast audio filter

  170. - OpenCL overlay filter

  171. - video mix filter

  172. - video normalize filter

  173. - audio lv2 wrapper filter

  174. - VAAPI MJPEG and VP8 decoding

  175. - AMD AMF H.264 and HEVC encoders

  176. - video fillborders filter

  177. - video setrange filter

  178. - nsp demuxer

  179. - support LibreSSL (via libtls)

  180. - AVX-512/ZMM support added

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

  182.   version is Windows Vista.

  183. - deconvolve video filter

  184. - entropy video filter

  185. - hilbert audio filter source

  186. - aiir audio filter

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

  188. - Removed the ffserver program

  189. - Removed the ffmenc and ffmdec muxer and demuxer

  190. - VideoToolbox HEVC encoder and hwaccel

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

  192. - Add android_camera indev

  193. - codec2 en/decoding via libcodec2

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

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

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

  197. - native SBC encoder and decoder

  198. - drmeter audio filter

  199. - hapqa_extract bitstream filter

  200. - filter_units bitstream filter

  201. - AV1 Support through libaom

  202. - E-AC-3 dependent frames support

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

  204. - Haivision SRT protocol via libsrt

  205. - segafilm muxer

  206. - vfrdet filter

  207. - SRCNN filter

  208. 

  209. 

  210. version 3.4:

  211. - deflicker video filter

  212. - doubleweave video filter

  213. - lumakey video filter

  214. - pixscope video filter

  215. - oscilloscope video filter

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

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

  218. - afir audio filter

  219. - scale_cuda CUDA based video scale filter

  220. - librsvg support for svg rasterization

  221. - crossfeed audio filter

  222. - spec compliant VP9 muxing support in MP4

  223. - remove the libnut muxer/demuxer wrappers

  224. - remove the libschroedinger encoder/decoder wrappers

  225. - surround audio filter

  226. - sofalizer filter switched to libmysofa

  227. - Gremlin Digital Video demuxer and decoder

  228. - headphone audio filter

  229. - superequalizer audio filter

  230. - roberts video filter

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

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

  233. - additional frame format support for Interplay MVE movies

  234. - support for decoding through D3D11VA in ffmpeg

  235. - limiter video filter

  236. - libvmaf video filter

  237. - Dolby E decoder and SMPTE 337M demuxer

  238. - unpremultiply video filter

  239. - tlut2 video filter

  240. - floodfill video filter

  241. - pseudocolor video filter

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

  243. - NewTek NDI input/output device

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

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

  246.   They must always be used by name.

  247. - FITS demuxer and decoder

  248. - FITS muxer and encoder

  249. - add --disable-autodetect build switch

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

  251. - despill video filter

  252. - haas audio filter

  253. - SUP/PGS subtitle muxer

  254. - convolve video filter

  255. - VP9 tile threading support

  256. - KMS screen grabber

  257. - CUDA thumbnail filter

  258. - V4L2 mem2mem HW assisted codecs

  259. - Rockchip MPP hardware decoding

  260. - vmafmotion video filter

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

  262. 

  263. 

  264. version 3.3:

  265. - CrystalHD decoder moved to new decode API

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

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

  268. - premultiply video filter

  269. - Support for spherical videos

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

  271. - PSD Decoder

  272. - 16.8 floating point pcm decoder

  273. - 24.0 floating point pcm decoder

  274. - Apple Pixlet decoder

  275. - QDMC audio decoder

  276. - NewTek SpeedHQ decoder

  277. - MIDI Sample Dump Standard demuxer

  278. - readeia608 filter

  279. - Sample Dump eXchange demuxer

  280. - abitscope multimedia filter

  281. - Scenarist Closed Captions demuxer and muxer

  282. - threshold filter

  283. - midequalizer filter

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

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

  286. - FM Screen Capture Codec decoder

  287. - native Opus encoder

  288. - ScreenPressor decoder

  289. - incomplete ClearVideo decoder

  290. - Intel QSV video scaling and deinterlacing filters

  291. - Support MOV with multiple sample description tables

  292. - XPM decoder

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

  294. - MPEG-7 Video Signature filter

  295. - Removed asyncts filter (use af_aresample instead)

  296. - Intel QSV-accelerated VP8 video decoding

  297. - VAAPI-accelerated deinterlacing

  298. 

  299. 

  300. version 3.2:

  301. - libopenmpt demuxer

  302. - tee protocol

  303. - Changed metadata print option to accept general urls

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

  305. - VP8 in Ogg muxing

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

  307. - 16-bit support in curves filter and selectivecolor filter

  308. - OpenH264 decoder wrapper

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

  310. - True Audio (TTA) muxer

  311. - crystalizer audio filter

  312. - acrusher audio filter

  313. - bitplanenoise video filter

  314. - floating point support in als decoder

  315. - fifo muxer

  316. - maskedclamp filter

  317. - hysteresis filter

  318. - lut2 filter

  319. - yuvtestsrc filter

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

  321. - vaguedenoiser filter

  322. - added threads option per filter instance

  323. - weave filter

  324. - gblur filter

  325. - avgblur filter

  326. - sobel and prewitt filter

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

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

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

  330. - sdl2 output device and ffplay support

  331. - sdl1 output device and sdl1 support removed

  332. - extended mov edit list support

  333. - libfaac encoder removed

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

  335. - sidedata video and asidedata audio filter

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

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

  338. 

  339. 

  340. version 3.1:

  341. - DXVA2-accelerated HEVC Main10 decoding

  342. - fieldhint filter

  343. - loop video filter and aloop audio filter

  344. - Bob Weaver deinterlacing filter

  345. - firequalizer filter

  346. - datascope filter

  347. - bench and abench filters

  348. - ciescope filter

  349. - protocol blacklisting API

  350. - MediaCodec H264 decoding

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

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

  353. - AudioToolbox audio decoders

  354. - AudioToolbox audio encoders

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

  356. - libdcadec removed

  357. - bitstream filter for extracting DTS core

  358. - ADPCM IMA DAT4 decoder

  359. - musx demuxer

  360. - aix demuxer

  361. - remap filter

  362. - hash and framehash muxers

  363. - colorspace filter

  364. - hdcd filter

  365. - readvitc filter

  366. - VAAPI-accelerated format conversion and scaling

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

  368. - Duck TrueMotion 2.0 Real Time decoder

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

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

  371. - DTS Express (LBR) decoder

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

  373. - IFF ANIM demuxer & decoder

  374. - Direct Stream Transfer (DST) decoder

  375. - loudnorm filter

  376. - MTAF demuxer and decoder

  377. - MagicYUV decoder

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

  379. - BitJazz SheerVideo decoder

  380. - CUDA CUVID H264/HEVC decoder

  381. - 10-bit depth support in native utvideo decoder

  382. - libutvideo wrapper removed

  383. - YUY2 Lossless Codec decoder

  384. - VideoToolbox H.264 encoder

  385. 

  386. 

  387. version 3.0:

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

  389. - DXV decoding

  390. - extrastereo filter

  391. - ocr filter

  392. - alimiter filter

  393. - stereowiden filter

  394. - stereotools filter

  395. - rubberband filter

  396. - tremolo filter

  397. - agate filter

  398. - chromakey filter

  399. - maskedmerge filter

  400. - Screenpresso SPV1 decoding

  401. - chromaprint fingerprinting muxer

  402. - ffplay dynamic volume control

  403. - displace filter

  404. - selectivecolor filter

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

  406. - ADPCM PSX decoder

  407. - 3dostr, dcstr, fsb, genh, vag, xvag, ads, msf, svag & vpk demuxer

  408. - zscale filter

  409. - wve demuxer

  410. - zero-copy Intel QSV transcoding in ffmpeg

  411. - shuffleframes filter

  412. - SDX2 DPCM decoder

  413. - vibrato filter

  414. - innoHeim/Rsupport Screen Capture Codec decoder

  415. - ADPCM AICA decoder

  416. - Interplay ACM demuxer and audio decoder

  417. - XMA1 & XMA2 decoder

  418. - realtime filter

  419. - anoisesrc audio filter source

  420. - IVR demuxer

  421. - compensationdelay filter

  422. - acompressor filter

  423. - support encoding 16-bit RLE SGI images

  424. - apulsator filter

  425. - sidechaingate audio filter

  426. - mipsdspr1 option has been renamed to mipsdsp

  427. - aemphasis filter

  428. - mips32r5 option has been removed

  429. - mips64r6 option has been removed

  430. - DXVA2-accelerated VP9 decoding

  431. - SOFAlizer: virtual binaural acoustics filter

  432. - VAAPI VP9 hwaccel

  433. - audio high-order multiband parametric equalizer

  434. - automatic bitstream filtering

  435. - showspectrumpic filter

  436. - libstagefright support removed

  437. - spectrumsynth filter

  438. - ahistogram filter

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

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

  441. - afftfilt filter

  442. - convolution filter

  443. - libquvi support removed

  444. - support for dvaudio in wav and avi

  445. - libaacplus and libvo-aacenc support removed

  446. - Cineform HD decoder

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

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

  449. - nnedi deinterlacer

  450. - streamselect video and astreamselect audio filter

  451. - swaprect filter

  452. - metadata video and ametadata audio filter

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

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

  455. 

  456. 

  457. version 2.8:

  458. - colorkey video filter

  459. - BFSTM/BCSTM demuxer

  460. - little-endian ADPCM_THP decoder

  461. - Hap decoder and encoder

  462. - DirectDraw Surface image/texture decoder

  463. - ssim filter

  464. - optional new ASF demuxer

  465. - showvolume filter

  466. - Many improvements to the JPEG 2000 decoder

  467. - Go2Meeting decoding support

  468. - adrawgraph audio and drawgraph video filter

  469. - removegrain video filter

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

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

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

  473. - libkvazaar HEVC encoder

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

  475. - Dynamic Audio Normalizer as dynaudnorm filter

  476. - Reverse video and areverse audio filter

  477. - Random filter

  478. - deband filter

  479. - AAC fixed-point decoding

  480. - sidechaincompress audio filter

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

  482. - acrossfade audio filter

  483. - allyuv and allrgb video sources

  484. - atadenoise video filter

  485. - OS X VideoToolbox support

  486. - aphasemeter filter

  487. - showfreqs filter

  488. - vectorscope filter

  489. - waveform filter

  490. - hstack and vstack filter

  491. - Support DNx100 (1440x1080@8)

  492. - VAAPI hevc hwaccel

  493. - VDPAU hevc hwaccel

  494. - framerate filter

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

  496. - Removed experimental flag from the JPEG 2000 encoder

  497. 

  498. 

  499. version 2.7:

  500. - FFT video filter

  501. - TDSC decoder

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

  503. - showwavespic filter

  504. - DTS decoding through libdcadec

  505. - Drop support for nvenc API before 5.0

  506. - nvenc HEVC encoder

  507. - Detelecine filter

  508. - Intel QSV-accelerated H.264 encoding

  509. - MMAL-accelerated H.264 decoding

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

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

  512. - WebM Live Chunk Muxer

  513. - nvenc level and tier options

  514. - chorus filter

  515. - Canopus HQ/HQA decoder

  516. - Automatically rotate videos based on metadata in ffmpeg

  517. - improved Quickdraw compatibility

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

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

  520. - Direct3D11-accelerated decoding

  521. - Support Secure Transport

  522. - Multipart JPEG demuxer

  523. 

  524. 

  525. version 2.6:

  526. - nvenc encoder

  527. - 10bit spp filter

  528. - colorlevels filter

  529. - RIFX format for *.wav files

  530. - RTP/mpegts muxer

  531. - non continuous cache protocol support

  532. - tblend filter

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

  534. - Camellia symmetric block cipher

  535. - OpenH264 encoder wrapper

  536. - VOC seeking support

  537. - Closed caption Decoder

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

  539. - showpalette filter

  540. - Twofish symmetric block cipher

  541. - Support DNx100 (960x720@8)

  542. - eq2 filter ported from libmpcodecs as eq filter

  543. - removed libmpcodecs

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

  545. - ported softpulldown filter from libmpcodecs as repeatfields filter

  546. - dcshift filter

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

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

  549. - palettegen and paletteuse filters

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

  551. - RTP depacketizer for DV (RFC 6469)

  552. - DXVA2-accelerated HEVC decoding

  553. - AAC ELD 480 decoding

  554. - Intel QSV-accelerated H.264 decoding

  555. - DSS SP decoder and DSS demuxer

  556. - Fix stsd atom corruption in DNxHD QuickTimes

  557. - Canopus HQX decoder

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

  559. - Port MIPS optimizations to 64-bit

  560. 

  561. 

  562. version 2.5:

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

  564. - SUP/PGS subtitle demuxer

  565. - ffprobe -show_pixel_formats option

  566. - CAST128 symmetric block cipher, ECB mode

  567. - STL subtitle demuxer and decoder

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

  569. - XCB-based screen-grabber

  570. - UDP-Lite support (RFC 3828)

  571. - xBR scaling filter

  572. - AVFoundation screen capturing support

  573. - ffserver supports codec private options

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

  575. - WebP muxer with animated WebP support

  576. - zygoaudio decoding support

  577. - APNG demuxer

  578. - postproc visualization support

  579. 

  580. 

  581. version 2.4:

  582. - Icecast protocol

  583. - ported lenscorrection filter from frei0r filter

  584. - large optimizations in dctdnoiz to make it usable

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

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

  587. - LZMA compression support in TIFF decoder

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

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

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

  591. - Matroska 3D support thorugh side data

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

  593. - silenceremove filter

  594. 

  595. 

  596. version 2.3:

  597. - AC3 fixed-point decoding

  598. - shuffleplanes filter

  599. - subfile protocol

  600. - Phantom Cine demuxer

  601. - replaygain data export

  602. - VP7 video decoder

  603. - Alias PIX image encoder and decoder

  604. - Improvements to the BRender PIX image decoder

  605. - Improvements to the XBM decoder

  606. - QTKit input device

  607. - improvements to OpenEXR image decoder

  608. - support decoding 16-bit RLE SGI images

  609. - GDI screen grabbing for Windows

  610. - alternative rendition support for HTTP Live Streaming

  611. - AVFoundation input device

  612. - Direct Stream Digital (DSD) decoder

  613. - Magic Lantern Video (MLV) demuxer

  614. - On2 AVC (Audio for Video) decoder

  615. - support for decoding through DXVA2 in ffmpeg

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

  617. - libx264 reference frames count limiting depending on level

  618. - native Opus decoder

  619. - display matrix export and rotation API

  620. - WebVTT encoder

  621. - showcqt multimedia filter

  622. - zoompan filter

  623. - signalstats filter

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

  625. - flanger filter

  626. - Image format auto-detection

  627. - LRC demuxer and muxer

  628. - Samba protocol (via libsmbclient)

  629. - WebM DASH Manifest muxer

  630. - libfribidi support in drawtext

  631. 

  632. 

  633. version 2.2:

  634. 

  635. - HNM version 4 demuxer and video decoder

  636. - Live HDS muxer

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

  638. - elbg filter

  639. - string validation in ffprobe

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

  641. - complete Voxware MetaSound decoder

  642. - remove mp3_header_compress bitstream filter

  643. - Windows resource files for shared libraries

  644. - aeval filter

  645. - stereoscopic 3d metadata handling

  646. - WebP encoding via libwebp

  647. - ATRAC3+ decoder

  648. - VP8 in Ogg demuxing

  649. - side & metadata support in NUT

  650. - framepack filter

  651. - XYZ12 rawvideo support in NUT

  652. - Exif metadata support in WebP decoder

  653. - OpenGL device

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

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

  656. - Mirillis FIC video decoder

  657. - Support DNx444

  658. - libx265 encoder

  659. - dejudder filter

  660. - Autodetect VDA like all other hardware accelerations

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

  662. 

  663. 

  664. version 2.1:

  665. 

  666. - aecho filter

  667. - perspective filter ported from libmpcodecs

  668. - ffprobe -show_programs option

  669. - compand filter

  670. - RTMP seek support

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

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

  673.   the -noaccurate_seek option.

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

  675.   data read from an input file

  676. - incomplete Voxware MetaSound decoder

  677. - read EXIF metadata from JPEG

  678. - DVB teletext decoder

  679. - phase filter ported from libmpcodecs

  680. - w3fdif filter

  681. - Opus support in Matroska

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

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

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

  685.   more consistent with other muxers.

  686. - adelay filter

  687. - pullup filter ported from libmpcodecs

  688. - ffprobe -read_intervals option

  689. - Lossless and alpha support for WebP decoder

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

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

  692. - mux chapters in ASF files

  693. - SFTP protocol (via libssh)

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

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

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

  697.   the skip_alpha flag.

  698. - ladspa wrapper filter

  699. - native VP9 decoder

  700. - dpx parser

  701. - max_error_rate parameter in ffmpeg

  702. - PulseAudio output device

  703. - ReplayGain scanner

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

  705. - Linux framebuffer output device

  706. - HEVC decoder

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

  708. - mergeplanes filter

  709. 

  710. 

  711. version 2.0:

  712. 

  713. - curves filter

  714. - reference-counting for AVFrame and AVPacket data

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

  716.   or vice versa

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

  718. - perms and aperms filters

  719. - audio filtering support in ffplay

  720. - 10% faster aac encoding on x86 and MIPS

  721. - sine audio filter source

  722. - WebP demuxing and decoding support

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

  724.   filtergraph description to be read from a file

  725. - OpenCL support

  726. - audio phaser filter

  727. - separatefields filter

  728. - libquvi demuxer

  729. - uniform options syntax across all filters

  730. - telecine filter

  731. - interlace filter

  732. - smptehdbars source

  733. - inverse telecine filters (fieldmatch and decimate)

  734. - colorbalance filter

  735. - colorchannelmixer filter

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

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

  738. - decent native animated GIF encoding

  739. - asetrate filter

  740. - interleave filter

  741. - timeline editing with filters

  742. - vidstabdetect and vidstabtransform filters for video stabilization using

  743.   the vid.stab library

  744. - astats filter

  745. - trim and atrim filters

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

  747.   transcoding audio

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

  749. - extractplanes filter

  750. - avectorscope filter

  751. - ADPCM DTK decoder

  752. - ADP demuxer

  753. - RSD demuxer

  754. - RedSpark demuxer

  755. - ADPCM IMA Radical decoder

  756. - zmq filters

  757. - DCT denoiser filter (dctdnoiz)

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

  759. - Apple Intermediate Codec decoder

  760. - Escape 130 video decoder

  761. - FTP protocol support

  762. - V4L2 output device

  763. - 3D LUT filter (lut3d)

  764. - SMPTE 302M audio encoder

  765. - support for slice multithreading in libavfilter

  766. - Hald CLUT support (generation and filtering)

  767. - VC-1 interlaced B-frame support

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

  769. - XVideo output device

  770. - vignette filter

  771. - True Audio (TTA) encoder

  772. - Go2Webinar decoder

  773. - mcdeint filter ported from libmpcodecs

  774. - sab filter ported from libmpcodecs

  775. - ffprobe -show_chapters option

  776. - WavPack encoding through libwavpack

  777. - rotate filter

  778. - spp filter ported from libmpcodecs

  779. - libgme support

  780. - psnr filter

  781. 

  782. 

  783. version 1.2:

  784. 

  785. - VDPAU hardware acceleration through normal hwaccel

  786. - SRTP support

  787. - Error diffusion dither in Swscale

  788. - Chained Ogg support

  789. - Theora Midstream reconfiguration support

  790. - EVRC decoder

  791. - audio fade filter

  792. - filtering audio with unknown channel layout

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

  794.   and treble audio filter

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

  796. - histogram filter

  797. - tee muxer

  798. - il filter ported from libmpcodecs

  799. - support ID3v2 tags in ASF files

  800. - encrypted TTA stream decoding support

  801. - RF64 support in WAV muxer

  802. - noise filter ported from libmpcodecs

  803. - Subtitles character encoding conversion

  804. - blend filter

  805. - stereo3d filter ported from libmpcodecs

  806. 

  807. 

  808. version 1.1:

  809. 

  810. - stream disposition information printing in ffprobe

  811. - filter for loudness analysis following EBU R128

  812. - Opus encoder using libopus

  813. - ffprobe -select_streams option

  814. - Pinnacle TARGA CineWave YUV16 decoder

  815. - TAK demuxer, decoder and parser

  816. - DTS-HD demuxer

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

  818. - FFM2 support

  819. - X-Face image encoder and decoder

  820. - 24-bit FLAC encoding

  821. - multi-channel ALAC encoding up to 7.1

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

  823. - subtitles raw text decoder

  824. - support for building DLLs using MSVC

  825. - LVF demuxer

  826. - ffescape tool

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

  828. - field filter ported from libmpcodecs

  829. - AVR demuxer

  830. - geq filter ported from libmpcodecs

  831. - remove ffserver daemon mode

  832. - AST muxer/demuxer

  833. - new expansion syntax for drawtext

  834. - BRender PIX image decoder

  835. - ffprobe -show_entries option

  836. - ffprobe -sections option

  837. - ADPCM IMA Dialogic decoder

  838. - BRSTM demuxer

  839. - animated GIF decoder and demuxer

  840. - PVF demuxer

  841. - subtitles filter

  842. - IRCAM muxer/demuxer

  843. - Paris Audio File demuxer

  844. - Virtual concatenation demuxer

  845. - VobSub demuxer

  846. - JSON captions for TED talks decoding support

  847. - SOX Resampler support in libswresample

  848. - aselect filter

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

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

  851. - Silicon Graphics Movie demuxer

  852. - apad filter

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

  854. - documentation split into per-component manuals

  855. - pp (postproc) filter ported from MPlayer

  856. - NIST Sphere demuxer

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

  858. - Sony Wave64 muxer

  859. - adobe and limelight publisher authentication in RTMP

  860. - data: URI scheme

  861. - support building on the Plan 9 operating system

  862. - kerndeint filter ported from MPlayer

  863. - histeq filter ported from VirtualDub

  864. - Megalux Frame demuxer

  865. - 012v decoder

  866. - Improved AVC Intra decoding support

  867. 

  868. 

  869. version 1.0:

  870. 

  871. - INI and flat output in ffprobe

  872. - Scene detection in libavfilter

  873. - Indeo Audio decoder

  874. - channelsplit audio filter

  875. - setnsamples audio filter

  876. - atempo filter

  877. - ffprobe -show_data option

  878. - RTMPT protocol support

  879. - iLBC encoding/decoding via libilbc

  880. - Microsoft Screen 1 decoder

  881. - join audio filter

  882. - audio channel mapping filter

  883. - Microsoft ATC Screen decoder

  884. - RTSP listen mode

  885. - TechSmith Screen Codec 2 decoder

  886. - AAC encoding via libfdk-aac

  887. - Microsoft Expression Encoder Screen decoder

  888. - RTMPS protocol support

  889. - RTMPTS protocol support

  890. - RTMPE protocol support

  891. - RTMPTE protocol support

  892. - showwaves and showspectrum filter

  893. - LucasArts SMUSH SANM playback support

  894. - LucasArts SMUSH VIMA audio decoder (ADPCM)

  895. - LucasArts SMUSH demuxer

  896. - SAMI, RealText and SubViewer demuxers and decoders

  897. - Heart Of Darkness PAF playback support

  898. - iec61883 device

  899. - asettb filter

  900. - new option: -progress

  901. - 3GPP Timed Text encoder/decoder

  902. - GeoTIFF decoder support

  903. - ffmpeg -(no)stdin option

  904. - Opus decoder using libopus

  905. - caca output device using libcaca

  906. - alphaextract and alphamerge filters

  907. - concat filter

  908. - flite filter

  909. - Canopus Lossless Codec decoder

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

  911. - MP2 encoding via TwoLAME

  912. - bmp parser

  913. - smptebars source

  914. - asetpts filter

  915. - hue filter

  916. - ICO muxer

  917. - SubRip encoder and decoder without embedded timing

  918. - edge detection filter

  919. - framestep filter

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

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

  922. - volume measurement filter

  923. - Ut Video encoder

  924. - Microsoft Screen 2 decoder

  925. - smartblur filter ported from MPlayer

  926. - CPiA decoder

  927. - decimate filter ported from MPlayer

  928. - RTP depacketization of JPEG

  929. - Smooth Streaming live segmenter muxer

  930. - F4V muxer

  931. - sendcmd and asendcmd filters

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

  933. - RTP packetization of JPEG

  934. - faststart option in the MOV/MP4 muxer

  935. - support for building with MSVC

  936. 

  937. 

  938. version 0.11:

  939. 

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

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

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

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

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

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

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

  947. - setfield filter

  948. - CDXL demuxer and decoder

  949. - Apple ProRes encoder

  950. - ffprobe -count_packets and -count_frames options

  951. - Sun Rasterfile Encoder

  952. - ID3v2 attached pictures reading and writing

  953. - WMA Lossless decoder

  954. - bluray protocol

  955. - blackdetect filter

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

  957. - swapuv filter

  958. - bbox filter

  959. - XBM encoder and decoder

  960. - RealAudio Lossless decoder

  961. - ZeroCodec decoder

  962. - tile video filter

  963. - Metal Gear Solid: The Twin Snakes demuxer

  964. - OpenEXR image decoder

  965. - removelogo filter

  966. - drop support for ffmpeg without libavfilter

  967. - drawtext video filter: fontconfig support

  968. - ffmpeg -benchmark_all option

  969. - super2xsai filter ported from libmpcodecs

  970. - add libavresample audio conversion library for compatibility

  971. - MicroDVD decoder

  972. - Avid Meridien (AVUI) encoder and decoder

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

  974. - complete audio filtering in libavfilter and ffmpeg

  975. - add fps filter

  976. - vorbis parser

  977. - png parser

  978. - audio mix filter

  979. - ffv1: support (draft) version 1.3

  980. 

  981. 

  982. version 0.10:

  983. 

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

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

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

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

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

  989. - SBaGen (SBG) binaural beats script demuxer

  990. - OpenMG Audio muxer

  991. - Timecode extraction in DV and MOV

  992. - thumbnail video filter

  993. - XML output in ffprobe

  994. - asplit audio filter

  995. - tinterlace video filter

  996. - astreamsync audio filter

  997. - amerge audio filter

  998. - ISMV (Smooth Streaming) muxer

  999. - GSM audio parser

  1000. - SMJPEG muxer

  1001. - XWD encoder and decoder

  1002. - Automatic thread count based on detection number of (available) CPU cores

  1003. - y41p Brooktree Uncompressed 4:1:1 12-bit encoder and decoder

  1004. - ffprobe -show_error option

  1005. - Avid 1:1 10-bit RGB Packer codec

  1006. - v308 Quicktime Uncompressed 4:4:4 encoder and decoder

  1007. - yuv4 libquicktime packed 4:2:0 encoder and decoder

  1008. - ffprobe -show_frames option

  1009. - silencedetect audio filter

  1010. - ffprobe -show_program_version, -show_library_versions, -show_versions options

  1011. - rv34: frame-level multi-threading

  1012. - optimized iMDCT transform on x86 using SSE for for mpegaudiodec

  1013. - Improved PGS subtitle decoder

  1014. - dumpgraph option to lavfi device

  1015. - r210 and r10k encoders

  1016. - ffwavesynth decoder

  1017. - aviocat tool

  1018. - ffeval tool

  1019. - support encoding and decoding 4-channel SGI images

  1020. 

  1021. 

  1022. version 0.9:

  1023. 

  1024. - openal input device added

  1025. - boxblur filter added

  1026. - BWF muxer

  1027. - Flash Screen Video 2 decoder

  1028. - lavfi input device added

  1029. - added avconv, which is almost the same for now, except

  1030. for a few incompatible changes in the options, which will hopefully make them

  1031. easier to use. The changes are:

  1032.     * The options placement is now strictly enforced! While in theory the

  1033.       options for ffmpeg should be given in [input options] -i INPUT [output

  1034.       options] OUTPUT order, in practice it was possible to give output options

  1035.       before the -i and it mostly worked. Except when it didn't - the behavior was

  1036.       a bit inconsistent. In avconv, it is not possible to mix input and output

  1037.       options. All non-global options are reset after an input or output filename.

  1038.     * All per-file options are now truly per-file - they apply only to the next

  1039.       input or output file and specifying different values for different files

  1040.       will now work properly (notably -ss and -t options).

  1041.     * All per-stream options are now truly per-stream - it is possible to

  1042.       specify which stream(s) should a given option apply to. See the Stream

  1043.       specifiers section in the avconv manual for details.

  1044.     * In ffmpeg some options (like -newvideo/-newaudio/...) are irregular in the

  1045.       sense that they're specified after the output filename instead of before,

  1046.       like all other options. In avconv this irregularity is removed, all options

  1047.       apply to the next input or output file.

  1048.     * -newvideo/-newaudio/-newsubtitle options were removed. Not only were they

  1049.       irregular and highly confusing, they were also redundant. In avconv the -map

  1050.       option will create new streams in the output file and map input streams to

  1051.       them. E.g. avconv -i INPUT -map 0 OUTPUT will create an output stream for

  1052.       each stream in the first input file.

  1053.     * The -map option now has slightly different and more powerful syntax:

  1054.         + Colons (':') are used to separate file index/stream type/stream index

  1055.           instead of dots. Comma (',') is used to separate the sync stream instead

  1056.           of colon.. This is done for consistency with other options.

  1057.         + It's possible to specify stream type. E.g. -map 0:a:2 creates an

  1058.           output stream from the third input audio stream.

  1059.         + Omitting the stream index now maps all the streams of the given type,

  1060.           not just the first. E.g. -map 0:s creates output streams for all the

  1061.           subtitle streams in the first input file.

  1062.         + Since -map can now match multiple streams, negative mappings were

  1063.           introduced. Negative mappings disable some streams from an already

  1064.           defined map. E.g. '-map 0 -map -0:a:1' means 'create output streams for

  1065.           all the stream in the first input file, except for the second audio

  1066.           stream'.

  1067.     * There is a new option -c (or -codec) for choosing the decoder/encoder to

  1068.       use, which makes it possible to precisely specify target stream(s) consistently with

  1069.       other options. E.g. -c:v lib264 sets the codec for all video streams, -c:a:0

  1070.       libvorbis sets the codec for the first audio stream and -c copy copies all

  1071.       the streams without reencoding. Old -vcodec/-acodec/-scodec options are now

  1072.       aliases to -c:v/a/s

  1073.     * It is now possible to precisely specify which stream should an AVOption

  1074.       apply to. E.g. -b:v:0 2M sets the bitrate for the first video stream, while

  1075.       -b:a 128k sets the bitrate for all audio streams. Note that the old -ab 128k

  1076.       syntax is deprecated and will stop working soon.

  1077.     * -map_chapters now takes only an input file index and applies to the next

  1078.       output file. This is consistent with how all the other options work.

  1079.     * -map_metadata now takes only an input metadata specifier and applies to

  1080.       the next output file. Output metadata specifier is now part of the option

  1081.       name, similarly to the AVOptions/map/codec feature above.

  1082.     * -metadata can now be used to set metadata on streams and chapters, e.g.

  1083.       -metadata:s:1 language=eng sets the language of the first stream to 'eng'.

  1084.       This made -vlang/-alang/-slang options redundant, so they were removed.

  1085.     * -qscale option now uses stream specifiers and applies to all streams, not

  1086.       just video. I.e. plain -qscale number would now apply to all streams. To get

  1087.       the old behavior, use -qscale:v. Also there is now a shortcut -q for -qscale

  1088.       and -aq is now an alias for -q:a.

  1089.     * -vbsf/-absf/-sbsf options were removed and replaced by a -bsf option which

  1090.       uses stream specifiers. Use -bsf:v/a/s instead of the old options.

  1091.     * -itsscale option now uses stream specifiers, so its argument is only the

  1092.       scale parameter.

  1093.     * -intra option was removed, use -g 0 for the same effect.

  1094.     * -psnr option was removed, use -flags +psnr for the same effect.

  1095.     * -vf option is now an alias to the new -filter option, which uses stream specifiers.

  1096.     * -vframes/-aframes/-dframes options are now aliases to the new -frames option.

  1097.     * -vtag/-atag/-stag options are now aliases to the new -tag option.

  1098. - XMV demuxer

  1099. - LOAS demuxer

  1100. - ashowinfo filter added

  1101. - Windows Media Image decoder

  1102. - amovie source added

  1103. - LATM muxer/demuxer

  1104. - Speex encoder via libspeex

  1105. - JSON output in ffprobe

  1106. - WTV muxer

  1107. - Optional C++ Support (needed for libstagefright)

  1108. - H.264 Decoding on Android via Stagefright

  1109. - Prores decoder

  1110. - BIN/XBIN/ADF/IDF text file decoder

  1111. - aconvert audio filter added

  1112. - audio support to lavfi input device added

  1113. - libcdio-paranoia input device for audio CD grabbing

  1114. - Apple ProRes decoder

  1115. - CELT in Ogg demuxing

  1116. - G.723.1 demuxer and decoder

  1117. - libmodplug support (--enable-libmodplug)

  1118. - VC-1 interlaced decoding

  1119. - libutvideo wrapper (--enable-libutvideo)

  1120. - aevalsrc audio source added

  1121. - Ut Video decoder

  1122. - Speex encoding via libspeex

  1123. - 4:2:2 H.264 decoding support

  1124. - 4:2:2 and 4:4:4 H.264 encoding with libx264

  1125. - Pulseaudio input device

  1126. - Prores encoder

  1127. - Video Decoder Acceleration (VDA) HWAccel module.

  1128. - replacement Indeo 3 decoder

  1129. - new ffmpeg option: -map_channel

  1130. - volume audio filter added

  1131. - earwax audio filter added

  1132. - libv4l2 support (--enable-libv4l2)

  1133. - TLS/SSL and HTTPS protocol support

  1134. - AVOptions API rewritten and documented

  1135. - most of CODEC_FLAG2_*, some CODEC_FLAG_* and many codec-specific fields in

  1136.   AVCodecContext deprecated. Codec private options should be used instead.

  1137. - Properly working defaults in libx264 wrapper, support for native presets.

  1138. - Encrypted OMA files support

  1139. - Discworld II BMV decoding support

  1140. - VBLE Decoder

  1141. - OS X Video Decoder Acceleration (VDA) support

  1142. - compact and csv output in ffprobe

  1143. - pan audio filter

  1144. - IFF Amiga Continuous Bitmap (ACBM) decoder

  1145. - ass filter

  1146. - CRI ADX audio format muxer and demuxer

  1147. - Playstation Portable PMP format demuxer

  1148. - Microsoft Windows ICO demuxer

  1149. - life source

  1150. - PCM format support in OMA demuxer

  1151. - CLJR encoder

  1152. - new option: -report

  1153. - Dxtory capture format decoder

  1154. - cellauto source

  1155. - Simple segmenting muxer

  1156. - Indeo 4 decoder

  1157. - SMJPEG demuxer

  1158. 

  1159. 

  1160. version 0.8:

  1161. 

  1162. - many many things we forgot because we rather write code than changelogs

  1163. - WebM support in Matroska de/muxer

  1164. - low overhead Ogg muxing

  1165. - MMS-TCP support

  1166. - VP8 de/encoding via libvpx

  1167. - Demuxer for On2's IVF format

  1168. - Pictor/PC Paint decoder

  1169. - HE-AAC v2 decoder

  1170. - HE-AAC v2 encoding with libaacplus

  1171. - libfaad2 wrapper removed

  1172. - DTS-ES extension (XCh) decoding support

  1173. - native VP8 decoder

  1174. - RTSP tunneling over HTTP

  1175. - RTP depacketization of SVQ3

  1176. - -strict inofficial replaced by -strict unofficial

  1177. - ffplay -exitonkeydown and -exitonmousedown options added

  1178. - native GSM / GSM MS decoder

  1179. - RTP depacketization of QDM2

  1180. - ANSI/ASCII art playback system

  1181. - Lego Mindstorms RSO de/muxer

  1182. - libavcore added (and subsequently removed)

  1183. - SubRip subtitle file muxer and demuxer

  1184. - Chinese AVS encoding via libxavs

  1185. - ffprobe -show_packets option added

  1186. - RTP packetization of Theora and Vorbis

  1187. - RTP depacketization of MP4A-LATM

  1188. - RTP packetization and depacketization of VP8

  1189. - hflip filter

  1190. - Apple HTTP Live Streaming demuxer

  1191. - a64 codec

  1192. - MMS-HTTP support

  1193. - G.722 ADPCM audio encoder/decoder

  1194. - R10k video decoder

  1195. - ocv_smooth filter

  1196. - frei0r wrapper filter

  1197. - change crop filter syntax to width:height:x:y

  1198. - make the crop filter accept parametric expressions

  1199. - make ffprobe accept AVFormatContext options

  1200. - yadif filter

  1201. - blackframe filter

  1202. - Demuxer for Leitch/Harris' VR native stream format (LXF)

  1203. - RTP depacketization of the X-QT QuickTime format

  1204. - SAP (Session Announcement Protocol, RFC 2974) muxer and demuxer

  1205. - cropdetect filter

  1206. - ffmpeg -crop* options removed

  1207. - transpose filter added

  1208. - ffmpeg -force_key_frames option added

  1209. - demuxer for receiving raw rtp:// URLs without an SDP description

  1210. - single stream LATM/LOAS decoder

  1211. - setpts filter added

  1212. - Win64 support for optimized x86 assembly functions

  1213. - MJPEG/AVI1 to JPEG/JFIF bitstream filter

  1214. - ASS subtitle encoder and decoder

  1215. - IEC 61937 encapsulation for E-AC-3, TrueHD, DTS-HD (for HDMI passthrough)

  1216. - overlay filter added

  1217. - rename aspect filter to setdar, and pixelaspect to setsar

  1218. - IEC 61937 demuxer

  1219. - Mobotix .mxg demuxer

  1220. - frei0r source added

  1221. - hqdn3d filter added

  1222. - RTP depacketization of QCELP

  1223. - FLAC parser added

  1224. - gradfun filter added

  1225. - AMR-WB decoder

  1226. - replace the ocv_smooth filter with a more generic ocv filter

  1227. - Windows Televison (WTV) demuxer

  1228. - FFmpeg metadata format muxer and demuxer

  1229. - SubRip (srt) subtitle encoder and decoder

  1230. - floating-point AC-3 encoder added

  1231. - Lagarith decoder

  1232. - ffmpeg -copytb option added

  1233. - IVF muxer added

  1234. - Wing Commander IV movies decoder added

  1235. - movie source added

  1236. - Bink version 'b' audio and video decoder

  1237. - Bitmap Brothers JV playback system

  1238. - Apple HTTP Live Streaming protocol handler

  1239. - sndio support for playback and record

  1240. - Linux framebuffer input device added

  1241. - Chronomaster DFA decoder

  1242. - DPX image encoder

  1243. - MicroDVD subtitle file muxer and demuxer

  1244. - Playstation Portable PMP format demuxer

  1245. - fieldorder video filter added

  1246. - AAC encoding via libvo-aacenc

  1247. - AMR-WB encoding via libvo-amrwbenc

  1248. - xWMA demuxer

  1249. - Mobotix MxPEG decoder

  1250. - VP8 frame-multithreading

  1251. - NEON optimizations for VP8

  1252. - Lots of deprecated API cruft removed

  1253. - fft and imdct optimizations for AVX (Sandy Bridge) processors

  1254. - showinfo filter added

  1255. - SMPTE 302M AES3 audio decoder

  1256. - Apple Core Audio Format muxer

  1257. - 9 bits and 10 bits per sample support in the H.264 decoder

  1258. - 9 bits and 10 bits FFV1 encoding / decoding

  1259. - split filter added

  1260. - select filter added

  1261. - sdl output device added

  1262. - libmpcodecs video filter support (3 times as many filters than before)

  1263. - mpeg2 aspect ratio dection fixed

  1264. - libxvid aspect pickiness fixed

  1265. - Frame multithreaded decoding

  1266. - E-AC-3 audio encoder

  1267. - ac3enc: add channel coupling support

  1268. - floating-point sample format support to the ac3, eac3, dca, aac, and vorbis decoders.

  1269. - H264/MPEG frame-level multi-threading

  1270. - All av_metadata_* functions renamed to av_dict_* and moved to libavutil

  1271. - 4:4:4 H.264 decoding support

  1272. - 10-bit H.264 optimizations for x86

  1273. - lut, lutrgb, and lutyuv filters added

  1274. - buffersink libavfilter sink added

  1275. - Bump libswscale for recently reported ABI break

  1276. - New J2K encoder (via OpenJPEG)

  1277. 

  1278. 

  1279. version 0.7:

  1280. 

  1281. - all the changes for 0.8, but keeping API/ABI compatibility with the 0.6 release

  1282. 

  1283. 

  1284. version 0.6:

  1285. 

  1286. - PB-frame decoding for H.263

  1287. - deprecated vhook subsystem removed

  1288. - deprecated old scaler removed

  1289. - VQF demuxer

  1290. - Alpha channel scaler

  1291. - PCX encoder

  1292. - RTP packetization of H.263

  1293. - RTP packetization of AMR

  1294. - RTP depacketization of Vorbis

  1295. - CorePNG decoding support

  1296. - Cook multichannel decoding support

  1297. - introduced avlanguage helpers in libavformat

  1298. - 8088flex TMV demuxer and decoder

  1299. - per-stream language-tags extraction in asfdec

  1300. - V210 decoder and encoder

  1301. - remaining GPL parts in AC-3 decoder converted to LGPL

  1302. - QCP demuxer

  1303. - SoX native format muxer and demuxer

  1304. - AMR-NB decoding/encoding, AMR-WB decoding via OpenCORE libraries

  1305. - DPX image decoder

  1306. - Electronic Arts Madcow decoder

  1307. - DivX (XSUB) subtitle encoder

  1308. - nonfree libamr support for AMR-NB/WB decoding/encoding removed

  1309. - experimental AAC encoder

  1310. - RTP depacketization of ASF and RTSP from WMS servers

  1311. - RTMP support in libavformat

  1312. - noX handling for OPT_BOOL X options

  1313. - Wave64 demuxer

  1314. - IEC-61937 compatible Muxer

  1315. - TwinVQ decoder

  1316. - Bluray (PGS) subtitle decoder

  1317. - LPCM support in MPEG-TS (HDMV RID as found on Blu-ray disks)

  1318. - WMA Pro decoder

  1319. - Core Audio Format demuxer

  1320. - ATRAC1 decoder

  1321. - MD STUDIO audio demuxer

  1322. - RF64 support in WAV demuxer

  1323. - MPEG-4 Audio Lossless Coding (ALS) decoder

  1324. - -formats option split into -formats, -codecs, -bsfs, and -protocols

  1325. - IV8 demuxer

  1326. - CDG demuxer and decoder

  1327. - R210 decoder

  1328. - Auravision Aura 1 and 2 decoders

  1329. - Deluxe Paint Animation playback system

  1330. - SIPR decoder

  1331. - Adobe Filmstrip muxer and demuxer

  1332. - RTP depacketization of H.263

  1333. - Bink demuxer and audio/video decoders

  1334. - enable symbol versioning by default for linkers that support it

  1335. - IFF PBM/ILBM bitmap decoder

  1336. - concat protocol

  1337. - Indeo 5 decoder

  1338. - RTP depacketization of AMR

  1339. - WMA Voice decoder

  1340. - ffprobe tool

  1341. - AMR-NB decoder

  1342. - RTSP muxer

  1343. - HE-AAC v1 decoder

  1344. - Kega Game Video (KGV1) decoder

  1345. - VorbisComment writing for FLAC, Ogg FLAC and Ogg Speex files

  1346. - RTP depacketization of Theora

  1347. - HTTP Digest authentication

  1348. - RTMP/RTMPT/RTMPS/RTMPE/RTMPTE protocol support via librtmp

  1349. - Psygnosis YOP demuxer and video decoder

  1350. - spectral extension support in the E-AC-3 decoder

  1351. - unsharp video filter

  1352. - RTP hinting in the mov/3gp/mp4 muxer

  1353. - Dirac in Ogg demuxing

  1354. - seek to keyframes in Ogg

  1355. - 4:2:2 and 4:4:4 Theora decoding

  1356. - 35% faster VP3/Theora decoding

  1357. - faster AAC decoding

  1358. - faster H.264 decoding

  1359. - RealAudio 1.0 (14.4K) encoder

  1360. 

  1361. 

  1362. version 0.5:

  1363. 

  1364. - DV50 AKA DVCPRO50 encoder, decoder, muxer and demuxer

  1365. - TechSmith Camtasia (TSCC) video decoder

  1366. - IBM Ultimotion (ULTI) video decoder

  1367. - Sierra Online audio file demuxer and decoder

  1368. - Apple QuickDraw (qdrw) video decoder

  1369. - Creative ADPCM audio decoder (16 bits as well as 8 bits schemes)

  1370. - Electronic Arts Multimedia (WVE/UV2/etc.) file demuxer

  1371. - Miro VideoXL (VIXL) video decoder

  1372. - H.261 video encoder

  1373. - QPEG video decoder

  1374. - Nullsoft Video (NSV) file demuxer

  1375. - Shorten audio decoder

  1376. - LOCO video decoder

  1377. - Apple Lossless Audio Codec (ALAC) decoder

  1378. - Winnov WNV1 video decoder

  1379. - Autodesk Animator Studio Codec (AASC) decoder

  1380. - Indeo 2 video decoder

  1381. - Fraps FPS1 video decoder

  1382. - Snow video encoder/decoder

  1383. - Sonic audio encoder/decoder

  1384. - Vorbis audio decoder

  1385. - Macromedia ADPCM decoder

  1386. - Duck TrueMotion 2 video decoder

  1387. - support for decoding FLX and DTA extensions in FLIC files

  1388. - H.264 custom quantization matrices support

  1389. - ffserver fixed, it should now be usable again

  1390. - QDM2 audio decoder

  1391. - Real Cooker audio decoder

  1392. - TrueSpeech audio decoder

  1393. - WMA2 audio decoder fixed, now all files should play correctly

  1394. - RealAudio 14.4 and 28.8 decoders fixed

  1395. - JPEG-LS decoder

  1396. - build system improvements

  1397. - tabs and trailing whitespace removed from the codebase

  1398. - CamStudio video decoder

  1399. - AIFF/AIFF-C audio format, encoding and decoding

  1400. - ADTS AAC file reading and writing

  1401. - Creative VOC file reading and writing

  1402. - American Laser Games multimedia (*.mm) playback system

  1403. - Zip Motion Blocks Video decoder

  1404. - improved Theora/VP3 decoder

  1405. - True Audio (TTA) decoder

  1406. - AVS demuxer and video decoder

  1407. - JPEG-LS encoder

  1408. - Smacker demuxer and decoder

  1409. - NuppelVideo/MythTV demuxer and RTjpeg decoder

  1410. - KMVC decoder

  1411. - MPEG-2 intra VLC support

  1412. - MPEG-2 4:2:2 encoder

  1413. - Flash Screen Video decoder

  1414. - GXF demuxer

  1415. - Chinese AVS decoder

  1416. - GXF muxer

  1417. - MXF demuxer

  1418. - VC-1/WMV3/WMV9 video decoder

  1419. - MacIntel support

  1420. - AviSynth support

  1421. - VMware video decoder

  1422. - VP5 video decoder

  1423. - VP6 video decoder

  1424. - WavPack lossless audio decoder

  1425. - Targa (.TGA) picture decoder

  1426. - Vorbis audio encoder

  1427. - Delphine Software .cin demuxer/audio and video decoder

  1428. - Tiertex .seq demuxer/video decoder

  1429. - MTV demuxer

  1430. - TIFF picture encoder and decoder

  1431. - GIF picture decoder

  1432. - Intel Music Coder decoder

  1433. - Zip Motion Blocks Video encoder

  1434. - Musepack decoder

  1435. - Flash Screen Video encoder

  1436. - Theora encoding via libtheora

  1437. - BMP encoder

  1438. - WMA encoder

  1439. - GSM-MS encoder and decoder

  1440. - DCA decoder

  1441. - DXA demuxer and decoder

  1442. - DNxHD decoder

  1443. - Gamecube movie (.THP) playback system

  1444. - Blackfin optimizations

  1445. - Interplay C93 demuxer and video decoder

  1446. - Bethsoft VID demuxer and video decoder

  1447. - CRYO APC demuxer

  1448. - ATRAC3 decoder

  1449. - V.Flash PTX decoder

  1450. - RoQ muxer, RoQ audio encoder

  1451. - Renderware TXD demuxer and decoder

  1452. - extern C declarations for C++ removed from headers

  1453. - sws_flags command line option

  1454. - codebook generator

  1455. - RoQ video encoder

  1456. - QTRLE encoder

  1457. - OS/2 support removed and restored again

  1458. - AC-3 decoder

  1459. - NUT muxer

  1460. - additional SPARC (VIS) optimizations

  1461. - Matroska muxer

  1462. - slice-based parallel H.264 decoding

  1463. - Monkey's Audio demuxer and decoder

  1464. - AMV audio and video decoder

  1465. - DNxHD encoder

  1466. - H.264 PAFF decoding

  1467. - Nellymoser ASAO decoder

  1468. - Beam Software SIFF demuxer and decoder

  1469. - libvorbis Vorbis decoding removed in favor of native decoder

  1470. - IntraX8 (J-Frame) subdecoder for WMV2 and VC-1

  1471. - Ogg (Theora, Vorbis and FLAC) muxer

  1472. - The "device" muxers and demuxers are now in a new libavdevice library

  1473. - PC Paintbrush PCX decoder

  1474. - Sun Rasterfile decoder

  1475. - TechnoTrend PVA demuxer

  1476. - Linux Media Labs MPEG-4 (LMLM4) demuxer

  1477. - AVM2 (Flash 9) SWF muxer

  1478. - QT variant of IMA ADPCM encoder

  1479. - VFW grabber

  1480. - iPod/iPhone compatible mp4 muxer

  1481. - Mimic decoder

  1482. - MSN TCP Webcam stream demuxer

  1483. - RL2 demuxer / decoder

  1484. - IFF demuxer

  1485. - 8SVX audio decoder

  1486. - non-recursive Makefiles

  1487. - BFI demuxer

  1488. - MAXIS EA XA (.xa) demuxer / decoder

  1489. - BFI video decoder

  1490. - OMA demuxer

  1491. - MLP/TrueHD decoder

  1492. - Electronic Arts CMV decoder

  1493. - Motion Pixels Video decoder

  1494. - Motion Pixels MVI demuxer

  1495. - removed animated GIF decoder/demuxer

  1496. - D-Cinema audio muxer

  1497. - Electronic Arts TGV decoder

  1498. - Apple Lossless Audio Codec (ALAC) encoder

  1499. - AAC decoder

  1500. - floating point PCM encoder/decoder

  1501. - MXF muxer

  1502. - DV100 AKA DVCPRO HD decoder and demuxer

  1503. - E-AC-3 support added to AC-3 decoder

  1504. - Nellymoser ASAO encoder

  1505. - ASS and SSA demuxer and muxer

  1506. - liba52 wrapper removed

  1507. - SVQ3 watermark decoding support

  1508. - Speex decoding via libspeex

  1509. - Electronic Arts TGQ decoder

  1510. - RV40 decoder

  1511. - QCELP / PureVoice decoder

  1512. - RV30 decoder

  1513. - hybrid WavPack support

  1514. - R3D REDCODE demuxer

  1515. - ALSA support for playback and record

  1516. - Electronic Arts TQI decoder

  1517. - OpenJPEG based JPEG 2000 decoder

  1518. - NC (NC4600) camera file demuxer

  1519. - Gopher client support

  1520. - MXF D-10 muxer

  1521. - generic metadata API

  1522. - flash ScreenVideo2 encoder

  1523. 

  1524. 

  1525. version 0.4.9-pre1:

  1526. 

  1527. - DV encoder, DV muxer

  1528. - Microsoft RLE video decoder

  1529. - Microsoft Video-1 decoder

  1530. - Apple Animation (RLE) decoder

  1531. - Apple Graphics (SMC) decoder

  1532. - Apple Video (RPZA) decoder

  1533. - Cinepak decoder

  1534. - Sega FILM (CPK) file demuxer

  1535. - Westwood multimedia support (VQA & AUD files)

  1536. - Id Quake II CIN playback support

  1537. - 8BPS video decoder

  1538. - FLIC playback support

  1539. - RealVideo 2.0 (RV20) decoder

  1540. - Duck TrueMotion v1 (DUCK) video decoder

  1541. - Sierra VMD demuxer and video decoder

  1542. - MSZH and ZLIB decoder support

  1543. - SVQ1 video encoder

  1544. - AMR-WB support

  1545. - PPC optimizations

  1546. - rate distortion optimal cbp support

  1547. - rate distorted optimal ac prediction for MPEG-4

  1548. - rate distorted optimal lambda->qp support

  1549. - AAC encoding with libfaac

  1550. - Sunplus JPEG codec (SP5X) support

  1551. - use Lagrange multiplier instead of QP for ratecontrol

  1552. - Theora/VP3 decoding support

  1553. - XA and ADX ADPCM codecs

  1554. - export MPEG-2 active display area / pan scan

  1555. - Add support for configuring with IBM XLC

  1556. - floating point AAN DCT

  1557. - initial support for zygo video (not complete)

  1558. - RGB ffv1 support

  1559. - new audio/video parser API

  1560. - av_log() system

  1561. - av_read_frame() and av_seek_frame() support

  1562. - missing last frame fixes

  1563. - seek by mouse in ffplay

  1564. - noise reduction of DCT coefficients

  1565. - H.263 OBMC & 4MV support

  1566. - H.263 alternative inter vlc support

  1567. - H.263 loop filter

  1568. - H.263 slice structured mode

  1569. - interlaced DCT support for MPEG-2 encoding

  1570. - stuffing to stay above min_bitrate

  1571. - MB type & QP visualization

  1572. - frame stepping for ffplay

  1573. - interlaced motion estimation

  1574. - alternate scantable support

  1575. - SVCD scan offset support

  1576. - closed GOP support

  1577. - SSE2 FDCT

  1578. - quantizer noise shaping

  1579. - G.726 ADPCM audio codec

  1580. - MS ADPCM encoding

  1581. - multithreaded/SMP motion estimation

  1582. - multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263

  1583. - multithreaded/SMP decoding for MPEG-2

  1584. - FLAC decoder

  1585. - Metrowerks CodeWarrior suppport

  1586. - H.263+ custom pcf support

  1587. - nicer output for 'ffmpeg -formats'

  1588. - Matroska demuxer

  1589. - SGI image format, encoding and decoding

  1590. - H.264 loop filter support

  1591. - H.264 CABAC support

  1592. - nicer looking arrows for the motion vector visualization

  1593. - improved VCD support

  1594. - audio timestamp drift compensation

  1595. - MPEG-2 YUV 422/444 support

  1596. - polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample

  1597. - better image scaling

  1598. - H.261 support

  1599. - correctly interleave packets during encoding

  1600. - VIS optimized motion compensation

  1601. - intra_dc_precision>0 encoding support

  1602. - support reuse of motion vectors/MB types/field select values of the source video

  1603. - more accurate deblock filter

  1604. - padding support

  1605. - many optimizations and bugfixes

  1606. - FunCom ISS audio file demuxer and according ADPCM decoding

  1607. 

  1608. 

  1609. version 0.4.8:

  1610. 

  1611. - MPEG-2 video encoding (Michael)

  1612. - Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)

  1613. - Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson

  1614.   and Mario Brito)

  1615. - Xan DPCM audio decoder (Mario Brito)

  1616. - Interplay MVE playback subsystem (Mike Melanson)

  1617. - Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)

  1618. 

  1619. 

  1620. version 0.4.7:

  1621. 

  1622. - RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from mplayerhq

  1623.   (originally from public domain player for Amiga at http://www.honeypot.net/audio)

  1624. - current version now also compiles with older GCC (Fabrice)

  1625. - 4X multimedia playback system including 4xm file demuxer (Mike

  1626.   Melanson), and 4X video and audio codecs (Michael)

  1627. - Creative YUV (CYUV) decoder (Mike Melanson)

  1628. - FFV1 codec (our very simple lossless intra only codec, compresses much better

  1629.   than HuffYUV) (Michael)

  1630. - ASV1 (Asus), H.264, Intel indeo3 codecs have been added (various)

  1631. - tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with

  1632.   alpha support), JPEG YUV colorspace support. (Fabrice Bellard)

  1633. - ffplay has been replaced with a newer version which uses SDL (optionally)

  1634.   for multiplatform support (Fabrice)

  1635. - Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated

  1636.   by anonymous

  1637. - AMR format has been added (Johannes Carlsson)

  1638. - 3GP support has been added (Johannes Carlsson)

  1639. - VP3 codec has been added (Mike Melanson)

  1640. - more MPEG-1/2 fixes

  1641. - better multiplatform support, MS Visual Studio fixes (various)

  1642. - AltiVec optimizations (Magnus Damn and others)

  1643. - SH4 processor support has been added (BERO)

  1644. - new public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)

  1645. - VOB streaming support (Brian Foley)

  1646. - better MP3 autodetection (Andriy Rysin)

  1647. - qpel encoding (Michael)

  1648. - 4mv+b frames encoding finally fixed (Michael)

  1649. - chroma ME (Michael)

  1650. - 5 comparison functions for ME (Michael)

  1651. - B-frame encoding speedup (Michael)

  1652. - WMV2 codec (unfinished - Michael)

  1653. - user specified diamond size for EPZS (Michael)

  1654. - Playstation STR playback subsystem, still experimental (Mike and Michael)

  1655. - ASV2 codec (Michael)

  1656. - CLJR decoder (Alex)

  1657. 

  1658. .. And lots more new enhancements and fixes.

  1659. 

  1660. 

  1661. version 0.4.6:

  1662. 

  1663. - completely new integer only MPEG audio layer 1/2/3 decoder rewritten

  1664.   from scratch

  1665. - Recoded DCT and motion vector search with gcc (no longer depends on nasm)

  1666. - fix quantization bug in AC3 encoder

  1667. - added PCM codecs and format. Corrected WAV/AVI/ASF PCM issues

  1668. - added prototype ffplay program

  1669. - added GOB header parsing on H.263/H.263+ decoder (Juanjo)

  1670. - bug fix on MCBPC tables of H.263 (Juanjo)

  1671. - bug fix on DC coefficients of H.263 (Juanjo)

  1672. - added Advanced Prediction Mode on H.263/H.263+ decoder (Juanjo)

  1673. - now we can decode H.263 streams found in QuickTime files (Juanjo)

  1674. - now we can decode H.263 streams found in VIVO v1 files(Juanjo)

  1675. - preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)

  1676. - added GOB header for H.263/H.263+ coding on RTP mode (Juanjo)

  1677. - now H.263 picture size is returned on the first decoded frame (Juanjo)

  1678. - added first regression tests

  1679. - added MPEG-2 TS demuxer

  1680. - new demux API for libav

  1681. - more accurate and faster IDCT (Michael)

  1682. - faster and entropy-controlled motion search (Michael)

  1683. - two pass video encoding (Michael)

  1684. - new video rate control (Michael)

  1685. - added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)

  1686. - great performance improvement of video encoders and decoders (Michael)

  1687. - new and faster bit readers and vlc parsers (Michael)

  1688. - high quality encoding mode: tries all macroblock/VLC types (Michael)

  1689. - added DV video decoder

  1690. - preliminary RTP/RTSP support in ffserver and libavformat

  1691. - H.263+ AIC decoding/encoding support (Juanjo)

  1692. - VCD MPEG-PS mode (Juanjo)

  1693. - PSNR stuff (Juanjo)

  1694. - simple stats output (Juanjo)

  1695. - 16-bit and 15-bit RGB/BGR/GBR support (Bisqwit)

  1696. 

  1697. 

  1698. version 0.4.5:

  1699. 

  1700. - some header fixes (Zdenek Kabelac <kabi at informatics.muni.cz>)

  1701. - many MMX optimizations (Nick Kurshev <nickols_k at mail.ru>)

  1702. - added configure system (actually a small shell script)

  1703. - added MPEG audio layer 1/2/3 decoding using LGPL'ed mpglib by

  1704.   Michael Hipp (temporary solution - waiting for integer only

  1705.   decoder)

  1706. - fixed VIDIOCSYNC interrupt

  1707. - added Intel H.263 decoding support ('I263' AVI fourCC)

  1708. - added Real Video 1.0 decoding (needs further testing)

  1709. - simplified image formats again. Added PGM format (=grey

  1710.   pgm). Renamed old PGM to PGMYUV.

  1711. - fixed msmpeg4 slice issues (tell me if you still find problems)

  1712. - fixed OpenDivX bugs with newer versions (added VOL header decoding)

  1713. - added support for MPlayer interface

  1714. - added macroblock skip optimization

  1715. - added MJPEG decoder

  1716. - added mmx/mmxext IDCT from libmpeg2

  1717. - added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer

  1718.   <celer at shell.scrypt.net>)

  1719. - added pixel format conversion layer (e.g. for MJPEG or PPM)

  1720. - added deinterlacing option

  1721. - MPEG-1/2 fixes

  1722. - MPEG-4 vol header fixes (Jonathan Marsden <snmjbm at pacbell.net>)

  1723. - ARM optimizations (Lionel Ulmer <lionel.ulmer at free.fr>).

  1724. - Windows porting of file converter

  1725. - added MJPEG raw format (input/output)

  1726. - added JPEG image format support (input/output)

  1727. 

  1728. 

  1729. version 0.4.4:

  1730. 

  1731. - fixed some std header definitions (Bjorn Lindgren

  1732.   <bjorn.e.lindgren at telia.com>).

  1733. - added MPEG demuxer (MPEG-1 and 2 compatible).

  1734. - added ASF demuxer

  1735. - added prototype RM demuxer

  1736. - added AC3 decoding (done with libac3 by Aaron Holtzman)

  1737. - added decoding codec parameter guessing (.e.g. for MPEG, because the

  1738.   header does not include them)

  1739. - fixed header generation in MPEG-1, AVI and ASF muxer: wmplayer can now

  1740.   play them (only tested video)

  1741. - fixed H.263 white bug

  1742. - fixed phase rounding in img resample filter

  1743. - add MMX code for polyphase img resample filter

  1744. - added CPU autodetection

  1745. - added generic title/author/copyright/comment string handling (ASF and RM

  1746.   use them)

  1747. - added SWF demux to extract MP3 track (not usable yet because no MP3

  1748.   decoder)

  1749. - added fractional frame rate support

  1750. - codecs are no longer searched by read_header() (should fix ffserver

  1751.   segfault)

  1752. 

  1753. 

  1754. version 0.4.3:

  1755. 

  1756. - BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq at amsat.org>)

  1757. - fixed raw yuv output

  1758. - added motion rounding support in MPEG-4

  1759. - fixed motion bug rounding in MSMPEG4

  1760. - added B-frame handling in video core

  1761. - added full MPEG-1 decoding support

  1762. - added partial (frame only) MPEG-2 support

  1763. - changed the FOURCC code for H.263 to "U263" to be able to see the

  1764.   +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with

  1765.   this +codec ;) (JuanJo).

  1766. - Halfpel motion estimation after MB type selection (JuanJo)

  1767. - added pgm and .Y.U.V output format

  1768. - suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or

  1769.   output.

  1770. - added pgmpipe I/O format (original patch from Martin Aumueller

  1771.   <lists at reserv.at>, but changed completely since we use a format

  1772.   instead of a protocol)

  1773. 

  1774. 

  1775. version 0.4.2:

  1776. 

  1777. - added H.263/MPEG-4/MSMPEG4 decoding support. MPEG-4 decoding support

  1778.   (for OpenDivX) is almost complete: 8x8 MVs and rounding are

  1779.   missing. MSMPEG4 support is complete.

  1780. - added prototype MPEG-1 decoder. Only I- and P-frames handled yet (it

  1781.   can decode ffmpeg MPEGs :-)).

  1782. - added libavcodec API documentation (see apiexample.c).

  1783. - fixed image polyphase bug (the bottom of some images could be

  1784.   greenish)

  1785. - added support for non clipped motion vectors (decoding only)

  1786.   and image sizes non-multiple of 16

  1787. - added support for AC prediction (decoding only)

  1788. - added file overwrite confirmation (can be disabled with -y)

  1789. - added custom size picture to H.263 using H.263+ (Juanjo)

  1790. 

  1791. 

  1792. version 0.4.1:

  1793. 

  1794. - added MSMPEG4 (aka DivX) compatible encoder. Changed default codec

  1795.   of AVI and ASF to DIV3.

  1796. - added -me option to set motion estimation method

  1797.   (default=log). suppressed redundant -hq option.

  1798. - added options -acodec and -vcodec to force a given codec (useful for

  1799.   AVI for example)

  1800. - fixed -an option

  1801. - improved dct_quantize speed

  1802. - factorized some motion estimation code

  1803. 

  1804. 

  1805. version 0.4.0:

  1806. 

  1807. - removing grab code from ffserver and moved it to ffmpeg. Added

  1808.   multistream support to ffmpeg.

  1809. - added timeshifting support for live feeds (option ?date=xxx in the

  1810.   URL)

  1811. - added high quality image resize code with polyphase filter (need

  1812.   mmx/see optimization). Enable multiple image size support in ffserver.

  1813. - added multi live feed support in ffserver

  1814. - suppressed master feature from ffserver (it should be done with an

  1815.   external program which opens the .ffm url and writes it to another

  1816.   ffserver)

  1817. - added preliminary support for video stream parsing (WAV and AVI half

  1818.   done). Added proper support for audio/video file conversion in

  1819.   ffmpeg.

  1820. - added preliminary support for video file sending from ffserver

  1821. - redesigning I/O subsystem: now using URL based input and output

  1822.   (see avio.h)

  1823. - added WAV format support

  1824. - added "tty user interface" to ffmpeg to stop grabbing gracefully

  1825. - added MMX/SSE optimizations to SAD (Sums of Absolutes Differences)

  1826.   (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo at atmlab.utfsm.cl>)

  1827. - added MMX DCT from mpeg2_movie 1.5 (Juanjo)

  1828. - added new motion estimation algorithms, log and phods (Juanjo)

  1829. - changed directories: libav for format handling, libavcodec for

  1830.   codecs

  1831. 

  1832. 

  1833. version 0.3.4:

  1834. 

  1835. - added stereo in MPEG audio encoder

  1836. 

  1837. 

  1838. version 0.3.3:

  1839. 

  1840. - added 'high quality' mode which use motion vectors. It can be used in

  1841.   real time at low resolution.

  1842. - fixed rounding problems which caused quality problems at high

  1843.   bitrates and large GOP size

  1844. 

  1845. 

  1846. version 0.3.2: small fixes

  1847. 

  1848. - ASF fixes

  1849. - put_seek bug fix

  1850. 

  1851. 

  1852. version 0.3.1: added avi/divx support

  1853. 

  1854. - added AVI support

  1855. - added MPEG-4 codec compatible with OpenDivX. It is based on the H.263 codec

  1856. - added sound for flash format (not tested)

  1857. 

  1858. 

  1859. version 0.3: initial public release