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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. - AudioToolbox output device

  6. - MacCaption demuxer

  7. - PGX decoder

  8. - chromanr video filter

  9. - VDPAU accelerated HEVC 10/12bit decoding

  10. - ADPCM IMA Ubisoft APM encoder

  11. - Rayman 2 APM muxer

  12. - AV1 encoding support SVT-AV1

  13. - Cineform HD encoder

  14. - ADPCM Argonaut Games encoder

  15. - Argonaut Games ASF muxer

  16. - AV1 Low overhead bitstream format demuxer

  17. - RPZA video encoder

  18. - ADPCM IMA MOFLEX decoder

  19. - MobiClip FastAudio decoder

  20. - MobiClip video decoder

  21. - MOFLEX demuxer

  22. - MODS demuxer

  23. - PhotoCD decoder

  24. - MCA demuxer

  25. - AV1 decoder (Hardware acceleration used only)

  26. - SVS demuxer

  27. - Argonaut Games BRP demuxer

  28. - DAT demuxer

  29. - aax demuxer

  30. - IPU decoder, parser and demuxer

  31. - Intel QSV-accelerated AV1 decoding

  32. - Argonaut Games Video decoder

  33. - libwavpack encoder removed

  34. - ACE demuxer

  35. - AVS3 demuxer

  36. - AVS3 video decoder via libuavs3d

  37. 

  38. 

  39. version 4.3:

  40. - v360 filter

  41. - Intel QSV-accelerated MJPEG decoding

  42. - Intel QSV-accelerated VP9 decoding

  43. - Support for TrueHD in mp4

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

  45. - IMM5 video decoder

  46. - ZeroMQ protocol

  47. - support Sipro ACELP.KELVIN decoding

  48. - streamhash muxer

  49. - sierpinski video source

  50. - scroll video filter

  51. - photosensitivity filter

  52. - anlms filter

  53. - arnndn filter

  54. - bilateral filter

  55. - maskedmin and maskedmax filters

  56. - VDPAU VP9 hwaccel

  57. - median filter

  58. - QSV-accelerated VP9 encoding

  59. - AV1 encoding support via librav1e

  60. - AV1 frame merge bitstream filter

  61. - AV1 Annex B demuxer

  62. - axcorrelate filter

  63. - mvdv decoder

  64. - mvha decoder

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

  66. - thistogram filter

  67. - freezeframes filter

  68. - Argonaut Games ADPCM decoder

  69. - Argonaut Games ASF demuxer

  70. - xfade video filter

  71. - xfade_opencl filter

  72. - afirsrc audio filter source

  73. - pad_opencl filter

  74. - Simon & Schuster Interactive ADPCM decoder

  75. - Real War KVAG demuxer

  76. - CDToons video decoder

  77. - siren audio decoder

  78. - Rayman 2 ADPCM decoder

  79. - Rayman 2 APM demuxer

  80. - cas video filter

  81. - High Voltage Software ADPCM decoder

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

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

  84. - Vulkan support

  85. - avgblur_vulkan, overlay_vulkan, scale_vulkan and chromaber_vulkan filters

  86. - ADPCM IMA MTF decoder

  87. - FWSE demuxer

  88. - DERF DPCM decoder

  89. - DERF demuxer

  90. - CRI HCA decoder

  91. - CRI HCA demuxer

  92. - overlay_cuda filter

  93. - switch from AvxSynth to AviSynth+ on Linux

  94. - mv30 decoder

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

  96. - WebP parser

  97. - tmedian filter

  98. - maskedthreshold filter

  99. - Support for muxing pcm and pgs in m2ts

  100. - Cunning Developments ADPCM decoder

  101. - asubboost filter

  102. - Pro Pinball Series Soundbank demuxer

  103. - pcm_rechunk bitstream filter

  104. - scdet filter

  105. - NotchLC decoder

  106. - gradients source video filter

  107. - MediaFoundation encoder wrapper

  108. - untile filter

  109. - Simon & Schuster Interactive ADPCM encoder

  110. - PFM decoder

  111. - dblur video filter

  112. - Real War KVAG muxer

  113. 

  114. 

  115. version 4.2:

  116. - tpad filter

  117. - AV1 decoding support through libdav1d

  118. - dedot filter

  119. - chromashift and rgbashift filters

  120. - freezedetect filter

  121. - truehd_core bitstream filter

  122. - dhav demuxer

  123. - PCM-DVD encoder

  124. - GIF parser

  125. - vividas demuxer

  126. - hymt decoder

  127. - anlmdn filter

  128. - maskfun filter

  129. - hcom demuxer and decoder

  130. - ARBC decoder

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

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

  133. - removed libndi-newtek

  134. - agm decoder

  135. - KUX demuxer

  136. - AV1 frame split bitstream filter

  137. - lscr decoder

  138. - lagfun filter

  139. - asoftclip filter

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

  141. - colorhold filter

  142. - xmedian filter

  143. - asr filter

  144. - showspatial multimedia filter

  145. - VP4 video decoder

  146. - IFV demuxer

  147. - derain filter

  148. - deesser filter

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

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

  151. 

  152. 

  153. version 4.1:

  154. - deblock filter

  155. - tmix filter

  156. - amplify filter

  157. - fftdnoiz filter

  158. - aderivative and aintegral audio filters

  159. - pal75bars and pal100bars video filter sources

  160. - support mbedTLS based TLS

  161. - adeclick filter

  162. - adeclip filter

  163. - libtensorflow backend for DNN based filters like srcnn

  164. - vc1 decoder is now bit-exact

  165. - ATRAC9 decoder

  166. - lensfun wrapper filter

  167. - colorconstancy filter

  168. - AVS2 video decoder via libdavs2

  169. - IMM4 video decoder

  170. - Brooktree ProSumer video decoder

  171. - MatchWare Screen Capture Codec decoder

  172. - WinCam Motion Video decoder

  173. - 1D LUT filter (lut1d)

  174. - RemotelyAnywhere Screen Capture decoder

  175. - cue and acue filters

  176. - support for AV1 in MP4

  177. - transpose_npp filter

  178. - AVS2 video encoder via libxavs2

  179. - amultiply filter

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

  181. - acrossover filter

  182. - ilbc decoder

  183. - audio denoiser as afftdn filter

  184. - AV1 parser

  185. - SER demuxer

  186. - sinc audio filter source

  187. - chromahold filter

  188. - setparams filter

  189. - vibrance filter

  190. - decoding S12M timecode in h264

  191. - xstack filter

  192. - pcm vidc decoder and encoder

  193. - (a)graphmonitor filter

  194. - yadif_cuda filter

  195. 

  196. 

  197. version 4.0:

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

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

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

  201. - VDA dropped (use VideoToolbox instead)

  202. - MagicYUV encoder

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

  204. - TiVo ty/ty+ demuxer

  205. - Intel QSV-accelerated MJPEG encoding

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

  207. - native aptX and aptX HD encoder and decoder

  208. - Raw aptX and aptX HD muxer and demuxer

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

  210. - Intel QSV-accelerated overlay filter

  211. - mcompand audio filter

  212. - acontrast audio filter

  213. - OpenCL overlay filter

  214. - video mix filter

  215. - video normalize filter

  216. - audio lv2 wrapper filter

  217. - VAAPI MJPEG and VP8 decoding

  218. - AMD AMF H.264 and HEVC encoders

  219. - video fillborders filter

  220. - video setrange filter

  221. - nsp demuxer

  222. - support LibreSSL (via libtls)

  223. - AVX-512/ZMM support added

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

  225.   version is Windows Vista.

  226. - deconvolve video filter

  227. - entropy video filter

  228. - hilbert audio filter source

  229. - aiir audio filter

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

  231. - Removed the ffserver program

  232. - Removed the ffmenc and ffmdec muxer and demuxer

  233. - VideoToolbox HEVC encoder and hwaccel

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

  235. - Add android_camera indev

  236. - codec2 en/decoding via libcodec2

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

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

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

  240. - native SBC encoder and decoder

  241. - drmeter audio filter

  242. - hapqa_extract bitstream filter

  243. - filter_units bitstream filter

  244. - AV1 Support through libaom

  245. - E-AC-3 dependent frames support

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

  247. - Haivision SRT protocol via libsrt

  248. - segafilm muxer

  249. - vfrdet filter

  250. - SRCNN filter

  251. 

  252. 

  253. version 3.4:

  254. - deflicker video filter

  255. - doubleweave video filter

  256. - lumakey video filter

  257. - pixscope video filter

  258. - oscilloscope video filter

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

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

  261. - afir audio filter

  262. - scale_cuda CUDA based video scale filter

  263. - librsvg support for svg rasterization

  264. - crossfeed audio filter

  265. - spec compliant VP9 muxing support in MP4

  266. - remove the libnut muxer/demuxer wrappers

  267. - remove the libschroedinger encoder/decoder wrappers

  268. - surround audio filter

  269. - sofalizer filter switched to libmysofa

  270. - Gremlin Digital Video demuxer and decoder

  271. - headphone audio filter

  272. - superequalizer audio filter

  273. - roberts video filter

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

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

  276. - additional frame format support for Interplay MVE movies

  277. - support for decoding through D3D11VA in ffmpeg

  278. - limiter video filter

  279. - libvmaf video filter

  280. - Dolby E decoder and SMPTE 337M demuxer

  281. - unpremultiply video filter

  282. - tlut2 video filter

  283. - floodfill video filter

  284. - pseudocolor video filter

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

  286. - NewTek NDI input/output device

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

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

  289.   They must always be used by name.

  290. - FITS demuxer and decoder

  291. - FITS muxer and encoder

  292. - add --disable-autodetect build switch

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

  294. - despill video filter

  295. - haas audio filter

  296. - SUP/PGS subtitle muxer

  297. - convolve video filter

  298. - VP9 tile threading support

  299. - KMS screen grabber

  300. - CUDA thumbnail filter

  301. - V4L2 mem2mem HW assisted codecs

  302. - Rockchip MPP hardware decoding

  303. - vmafmotion video filter

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

  305. 

  306. 

  307. version 3.3:

  308. - CrystalHD decoder moved to new decode API

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

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

  311. - premultiply video filter

  312. - Support for spherical videos

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

  314. - PSD Decoder

  315. - 16.8 floating point pcm decoder

  316. - 24.0 floating point pcm decoder

  317. - Apple Pixlet decoder

  318. - QDMC audio decoder

  319. - NewTek SpeedHQ decoder

  320. - MIDI Sample Dump Standard demuxer

  321. - readeia608 filter

  322. - Sample Dump eXchange demuxer

  323. - abitscope multimedia filter

  324. - Scenarist Closed Captions demuxer and muxer

  325. - threshold filter

  326. - midequalizer filter

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

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

  329. - FM Screen Capture Codec decoder

  330. - native Opus encoder

  331. - ScreenPressor decoder

  332. - incomplete ClearVideo decoder

  333. - Intel QSV video scaling and deinterlacing filters

  334. - Support MOV with multiple sample description tables

  335. - XPM decoder

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

  337. - MPEG-7 Video Signature filter

  338. - Removed asyncts filter (use af_aresample instead)

  339. - Intel QSV-accelerated VP8 video decoding

  340. - VAAPI-accelerated deinterlacing

  341. 

  342. 

  343. version 3.2:

  344. - libopenmpt demuxer

  345. - tee protocol

  346. - Changed metadata print option to accept general urls

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

  348. - VP8 in Ogg muxing

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

  350. - 16-bit support in curves filter and selectivecolor filter

  351. - OpenH264 decoder wrapper

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

  353. - True Audio (TTA) muxer

  354. - crystalizer audio filter

  355. - acrusher audio filter

  356. - bitplanenoise video filter

  357. - floating point support in als decoder

  358. - fifo muxer

  359. - maskedclamp filter

  360. - hysteresis filter

  361. - lut2 filter

  362. - yuvtestsrc filter

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

  364. - vaguedenoiser filter

  365. - added threads option per filter instance

  366. - weave filter

  367. - gblur filter

  368. - avgblur filter

  369. - sobel and prewitt filter

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

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

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

  373. - sdl2 output device and ffplay support

  374. - sdl1 output device and sdl1 support removed

  375. - extended mov edit list support

  376. - libfaac encoder removed

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

  378. - sidedata video and asidedata audio filter

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

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

  381. 

  382. 

  383. version 3.1:

  384. - DXVA2-accelerated HEVC Main10 decoding

  385. - fieldhint filter

  386. - loop video filter and aloop audio filter

  387. - Bob Weaver deinterlacing filter

  388. - firequalizer filter

  389. - datascope filter

  390. - bench and abench filters

  391. - ciescope filter

  392. - protocol blacklisting API

  393. - MediaCodec H264 decoding

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

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

  396. - AudioToolbox audio decoders

  397. - AudioToolbox audio encoders

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

  399. - libdcadec removed

  400. - bitstream filter for extracting DTS core

  401. - ADPCM IMA DAT4 decoder

  402. - musx demuxer

  403. - aix demuxer

  404. - remap filter

  405. - hash and framehash muxers

  406. - colorspace filter

  407. - hdcd filter

  408. - readvitc filter

  409. - VAAPI-accelerated format conversion and scaling

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

  411. - Duck TrueMotion 2.0 Real Time decoder

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

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

  414. - DTS Express (LBR) decoder

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

  416. - IFF ANIM demuxer & decoder

  417. - Direct Stream Transfer (DST) decoder

  418. - loudnorm filter

  419. - MTAF demuxer and decoder

  420. - MagicYUV decoder

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

  422. - BitJazz SheerVideo decoder

  423. - CUDA CUVID H264/HEVC decoder

  424. - 10-bit depth support in native utvideo decoder

  425. - libutvideo wrapper removed

  426. - YUY2 Lossless Codec decoder

  427. - VideoToolbox H.264 encoder

  428. 

  429. 

  430. version 3.0:

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

  432. - DXV decoding

  433. - extrastereo filter

  434. - ocr filter

  435. - alimiter filter

  436. - stereowiden filter

  437. - stereotools filter

  438. - rubberband filter

  439. - tremolo filter

  440. - agate filter

  441. - chromakey filter

  442. - maskedmerge filter

  443. - Screenpresso SPV1 decoding

  444. - chromaprint fingerprinting muxer

  445. - ffplay dynamic volume control

  446. - displace filter

  447. - selectivecolor filter

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

  449. - ADPCM PSX decoder

  450. - 3dostr, dcstr, fsb, genh, vag, xvag, ads, msf, svag & vpk demuxer

  451. - zscale filter

  452. - wve demuxer

  453. - zero-copy Intel QSV transcoding in ffmpeg

  454. - shuffleframes filter

  455. - SDX2 DPCM decoder

  456. - vibrato filter

  457. - innoHeim/Rsupport Screen Capture Codec decoder

  458. - ADPCM AICA decoder

  459. - Interplay ACM demuxer and audio decoder

  460. - XMA1 & XMA2 decoder

  461. - realtime filter

  462. - anoisesrc audio filter source

  463. - IVR demuxer

  464. - compensationdelay filter

  465. - acompressor filter

  466. - support encoding 16-bit RLE SGI images

  467. - apulsator filter

  468. - sidechaingate audio filter

  469. - mipsdspr1 option has been renamed to mipsdsp

  470. - aemphasis filter

  471. - mips32r5 option has been removed

  472. - mips64r6 option has been removed

  473. - DXVA2-accelerated VP9 decoding

  474. - SOFAlizer: virtual binaural acoustics filter

  475. - VAAPI VP9 hwaccel

  476. - audio high-order multiband parametric equalizer

  477. - automatic bitstream filtering

  478. - showspectrumpic filter

  479. - libstagefright support removed

  480. - spectrumsynth filter

  481. - ahistogram filter

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

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

  484. - afftfilt filter

  485. - convolution filter

  486. - libquvi support removed

  487. - support for dvaudio in wav and avi

  488. - libaacplus and libvo-aacenc support removed

  489. - Cineform HD decoder

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

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

  492. - nnedi deinterlacer

  493. - streamselect video and astreamselect audio filter

  494. - swaprect filter

  495. - metadata video and ametadata audio filter

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

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

  498. 

  499. 

  500. version 2.8:

  501. - colorkey video filter

  502. - BFSTM/BCSTM demuxer

  503. - little-endian ADPCM_THP decoder

  504. - Hap decoder and encoder

  505. - DirectDraw Surface image/texture decoder

  506. - ssim filter

  507. - optional new ASF demuxer

  508. - showvolume filter

  509. - Many improvements to the JPEG 2000 decoder

  510. - Go2Meeting decoding support

  511. - adrawgraph audio and drawgraph video filter

  512. - removegrain video filter

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

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

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

  516. - libkvazaar HEVC encoder

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

  518. - Dynamic Audio Normalizer as dynaudnorm filter

  519. - Reverse video and areverse audio filter

  520. - Random filter

  521. - deband filter

  522. - AAC fixed-point decoding

  523. - sidechaincompress audio filter

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

  525. - acrossfade audio filter

  526. - allyuv and allrgb video sources

  527. - atadenoise video filter

  528. - OS X VideoToolbox support

  529. - aphasemeter filter

  530. - showfreqs filter

  531. - vectorscope filter

  532. - waveform filter

  533. - hstack and vstack filter

  534. - Support DNx100 (1440x1080@8)

  535. - VAAPI hevc hwaccel

  536. - VDPAU hevc hwaccel

  537. - framerate filter

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

  539. - Removed experimental flag from the JPEG 2000 encoder

  540. 

  541. 

  542. version 2.7:

  543. - FFT video filter

  544. - TDSC decoder

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

  546. - showwavespic filter

  547. - DTS decoding through libdcadec

  548. - Drop support for nvenc API before 5.0

  549. - nvenc HEVC encoder

  550. - Detelecine filter

  551. - Intel QSV-accelerated H.264 encoding

  552. - MMAL-accelerated H.264 decoding

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

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

  555. - WebM Live Chunk Muxer

  556. - nvenc level and tier options

  557. - chorus filter

  558. - Canopus HQ/HQA decoder

  559. - Automatically rotate videos based on metadata in ffmpeg

  560. - improved Quickdraw compatibility

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

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

  563. - Direct3D11-accelerated decoding

  564. - Support Secure Transport

  565. - Multipart JPEG demuxer

  566. 

  567. 

  568. version 2.6:

  569. - nvenc encoder

  570. - 10bit spp filter

  571. - colorlevels filter

  572. - RIFX format for *.wav files

  573. - RTP/mpegts muxer

  574. - non continuous cache protocol support

  575. - tblend filter

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

  577. - Camellia symmetric block cipher

  578. - OpenH264 encoder wrapper

  579. - VOC seeking support

  580. - Closed caption Decoder

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

  582. - showpalette filter

  583. - Twofish symmetric block cipher

  584. - Support DNx100 (960x720@8)

  585. - eq2 filter ported from libmpcodecs as eq filter

  586. - removed libmpcodecs

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

  588. - ported softpulldown filter from libmpcodecs as repeatfields filter

  589. - dcshift filter

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

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

  592. - palettegen and paletteuse filters

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

  594. - RTP depacketizer for DV (RFC 6469)

  595. - DXVA2-accelerated HEVC decoding

  596. - AAC ELD 480 decoding

  597. - Intel QSV-accelerated H.264 decoding

  598. - DSS SP decoder and DSS demuxer

  599. - Fix stsd atom corruption in DNxHD QuickTimes

  600. - Canopus HQX decoder

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

  602. - Port MIPS optimizations to 64-bit

  603. 

  604. 

  605. version 2.5:

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

  607. - SUP/PGS subtitle demuxer

  608. - ffprobe -show_pixel_formats option

  609. - CAST128 symmetric block cipher, ECB mode

  610. - STL subtitle demuxer and decoder

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

  612. - XCB-based screen-grabber

  613. - UDP-Lite support (RFC 3828)

  614. - xBR scaling filter

  615. - AVFoundation screen capturing support

  616. - ffserver supports codec private options

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

  618. - WebP muxer with animated WebP support

  619. - zygoaudio decoding support

  620. - APNG demuxer

  621. - postproc visualization support

  622. 

  623. 

  624. version 2.4:

  625. - Icecast protocol

  626. - ported lenscorrection filter from frei0r filter

  627. - large optimizations in dctdnoiz to make it usable

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

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

  630. - LZMA compression support in TIFF decoder

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

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

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

  634. - Matroska 3D support thorugh side data

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

  636. - silenceremove filter

  637. 

  638. 

  639. version 2.3:

  640. - AC3 fixed-point decoding

  641. - shuffleplanes filter

  642. - subfile protocol

  643. - Phantom Cine demuxer

  644. - replaygain data export

  645. - VP7 video decoder

  646. - Alias PIX image encoder and decoder

  647. - Improvements to the BRender PIX image decoder

  648. - Improvements to the XBM decoder

  649. - QTKit input device

  650. - improvements to OpenEXR image decoder

  651. - support decoding 16-bit RLE SGI images

  652. - GDI screen grabbing for Windows

  653. - alternative rendition support for HTTP Live Streaming

  654. - AVFoundation input device

  655. - Direct Stream Digital (DSD) decoder

  656. - Magic Lantern Video (MLV) demuxer

  657. - On2 AVC (Audio for Video) decoder

  658. - support for decoding through DXVA2 in ffmpeg

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

  660. - libx264 reference frames count limiting depending on level

  661. - native Opus decoder

  662. - display matrix export and rotation API

  663. - WebVTT encoder

  664. - showcqt multimedia filter

  665. - zoompan filter

  666. - signalstats filter

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

  668. - flanger filter

  669. - Image format auto-detection

  670. - LRC demuxer and muxer

  671. - Samba protocol (via libsmbclient)

  672. - WebM DASH Manifest muxer

  673. - libfribidi support in drawtext

  674. 

  675. 

  676. version 2.2:

  677. 

  678. - HNM version 4 demuxer and video decoder

  679. - Live HDS muxer

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

  681. - elbg filter

  682. - string validation in ffprobe

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

  684. - complete Voxware MetaSound decoder

  685. - remove mp3_header_compress bitstream filter

  686. - Windows resource files for shared libraries

  687. - aeval filter

  688. - stereoscopic 3d metadata handling

  689. - WebP encoding via libwebp

  690. - ATRAC3+ decoder

  691. - VP8 in Ogg demuxing

  692. - side & metadata support in NUT

  693. - framepack filter

  694. - XYZ12 rawvideo support in NUT

  695. - Exif metadata support in WebP decoder

  696. - OpenGL device

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

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

  699. - Mirillis FIC video decoder

  700. - Support DNx444

  701. - libx265 encoder

  702. - dejudder filter

  703. - Autodetect VDA like all other hardware accelerations

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

  705. 

  706. 

  707. version 2.1:

  708. 

  709. - aecho filter

  710. - perspective filter ported from libmpcodecs

  711. - ffprobe -show_programs option

  712. - compand filter

  713. - RTMP seek support

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

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

  716.   the -noaccurate_seek option.

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

  718.   data read from an input file

  719. - incomplete Voxware MetaSound decoder

  720. - read EXIF metadata from JPEG

  721. - DVB teletext decoder

  722. - phase filter ported from libmpcodecs

  723. - w3fdif filter

  724. - Opus support in Matroska

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

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

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

  728.   more consistent with other muxers.

  729. - adelay filter

  730. - pullup filter ported from libmpcodecs

  731. - ffprobe -read_intervals option

  732. - Lossless and alpha support for WebP decoder

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

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

  735. - mux chapters in ASF files

  736. - SFTP protocol (via libssh)

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

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

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

  740.   the skip_alpha flag.

  741. - ladspa wrapper filter

  742. - native VP9 decoder

  743. - dpx parser

  744. - max_error_rate parameter in ffmpeg

  745. - PulseAudio output device

  746. - ReplayGain scanner

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

  748. - Linux framebuffer output device

  749. - HEVC decoder

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

  751. - mergeplanes filter

  752. 

  753. 

  754. version 2.0:

  755. 

  756. - curves filter

  757. - reference-counting for AVFrame and AVPacket data

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

  759.   or vice versa

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

  761. - perms and aperms filters

  762. - audio filtering support in ffplay

  763. - 10% faster aac encoding on x86 and MIPS

  764. - sine audio filter source

  765. - WebP demuxing and decoding support

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

  767.   filtergraph description to be read from a file

  768. - OpenCL support

  769. - audio phaser filter

  770. - separatefields filter

  771. - libquvi demuxer

  772. - uniform options syntax across all filters

  773. - telecine filter

  774. - interlace filter

  775. - smptehdbars source

  776. - inverse telecine filters (fieldmatch and decimate)

  777. - colorbalance filter

  778. - colorchannelmixer filter

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

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

  781. - decent native animated GIF encoding

  782. - asetrate filter

  783. - interleave filter

  784. - timeline editing with filters

  785. - vidstabdetect and vidstabtransform filters for video stabilization using

  786.   the vid.stab library

  787. - astats filter

  788. - trim and atrim filters

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

  790.   transcoding audio

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

  792. - extractplanes filter

  793. - avectorscope filter

  794. - ADPCM DTK decoder

  795. - ADP demuxer

  796. - RSD demuxer

  797. - RedSpark demuxer

  798. - ADPCM IMA Radical decoder

  799. - zmq filters

  800. - DCT denoiser filter (dctdnoiz)

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

  802. - Apple Intermediate Codec decoder

  803. - Escape 130 video decoder

  804. - FTP protocol support

  805. - V4L2 output device

  806. - 3D LUT filter (lut3d)

  807. - SMPTE 302M audio encoder

  808. - support for slice multithreading in libavfilter

  809. - Hald CLUT support (generation and filtering)

  810. - VC-1 interlaced B-frame support

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

  812. - XVideo output device

  813. - vignette filter

  814. - True Audio (TTA) encoder

  815. - Go2Webinar decoder

  816. - mcdeint filter ported from libmpcodecs

  817. - sab filter ported from libmpcodecs

  818. - ffprobe -show_chapters option

  819. - WavPack encoding through libwavpack

  820. - rotate filter

  821. - spp filter ported from libmpcodecs

  822. - libgme support

  823. - psnr filter

  824. 

  825. 

  826. version 1.2:

  827. 

  828. - VDPAU hardware acceleration through normal hwaccel

  829. - SRTP support

  830. - Error diffusion dither in Swscale

  831. - Chained Ogg support

  832. - Theora Midstream reconfiguration support

  833. - EVRC decoder

  834. - audio fade filter

  835. - filtering audio with unknown channel layout

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

  837.   and treble audio filter

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

  839. - histogram filter

  840. - tee muxer

  841. - il filter ported from libmpcodecs

  842. - support ID3v2 tags in ASF files

  843. - encrypted TTA stream decoding support

  844. - RF64 support in WAV muxer

  845. - noise filter ported from libmpcodecs

  846. - Subtitles character encoding conversion

  847. - blend filter

  848. - stereo3d filter ported from libmpcodecs

  849. 

  850. 

  851. version 1.1:

  852. 

  853. - stream disposition information printing in ffprobe

  854. - filter for loudness analysis following EBU R128

  855. - Opus encoder using libopus

  856. - ffprobe -select_streams option

  857. - Pinnacle TARGA CineWave YUV16 decoder

  858. - TAK demuxer, decoder and parser

  859. - DTS-HD demuxer

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

  861. - FFM2 support

  862. - X-Face image encoder and decoder

  863. - 24-bit FLAC encoding

  864. - multi-channel ALAC encoding up to 7.1

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

  866. - subtitles raw text decoder

  867. - support for building DLLs using MSVC

  868. - LVF demuxer

  869. - ffescape tool

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

  871. - field filter ported from libmpcodecs

  872. - AVR demuxer

  873. - geq filter ported from libmpcodecs

  874. - remove ffserver daemon mode

  875. - AST muxer/demuxer

  876. - new expansion syntax for drawtext

  877. - BRender PIX image decoder

  878. - ffprobe -show_entries option

  879. - ffprobe -sections option

  880. - ADPCM IMA Dialogic decoder

  881. - BRSTM demuxer

  882. - animated GIF decoder and demuxer

  883. - PVF demuxer

  884. - subtitles filter

  885. - IRCAM muxer/demuxer

  886. - Paris Audio File demuxer

  887. - Virtual concatenation demuxer

  888. - VobSub demuxer

  889. - JSON captions for TED talks decoding support

  890. - SOX Resampler support in libswresample

  891. - aselect filter

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

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

  894. - Silicon Graphics Movie demuxer

  895. - apad filter

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

  897. - documentation split into per-component manuals

  898. - pp (postproc) filter ported from MPlayer

  899. - NIST Sphere demuxer

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

  901. - Sony Wave64 muxer

  902. - adobe and limelight publisher authentication in RTMP

  903. - data: URI scheme

  904. - support building on the Plan 9 operating system

  905. - kerndeint filter ported from MPlayer

  906. - histeq filter ported from VirtualDub

  907. - Megalux Frame demuxer

  908. - 012v decoder

  909. - Improved AVC Intra decoding support

  910. 

  911. 

  912. version 1.0:

  913. 

  914. - INI and flat output in ffprobe

  915. - Scene detection in libavfilter

  916. - Indeo Audio decoder

  917. - channelsplit audio filter

  918. - setnsamples audio filter

  919. - atempo filter

  920. - ffprobe -show_data option

  921. - RTMPT protocol support

  922. - iLBC encoding/decoding via libilbc

  923. - Microsoft Screen 1 decoder

  924. - join audio filter

  925. - audio channel mapping filter

  926. - Microsoft ATC Screen decoder

  927. - RTSP listen mode

  928. - TechSmith Screen Codec 2 decoder

  929. - AAC encoding via libfdk-aac

  930. - Microsoft Expression Encoder Screen decoder

  931. - RTMPS protocol support

  932. - RTMPTS protocol support

  933. - RTMPE protocol support

  934. - RTMPTE protocol support

  935. - showwaves and showspectrum filter

  936. - LucasArts SMUSH SANM playback support

  937. - LucasArts SMUSH VIMA audio decoder (ADPCM)

  938. - LucasArts SMUSH demuxer

  939. - SAMI, RealText and SubViewer demuxers and decoders

  940. - Heart Of Darkness PAF playback support

  941. - iec61883 device

  942. - asettb filter

  943. - new option: -progress

  944. - 3GPP Timed Text encoder/decoder

  945. - GeoTIFF decoder support

  946. - ffmpeg -(no)stdin option

  947. - Opus decoder using libopus

  948. - caca output device using libcaca

  949. - alphaextract and alphamerge filters

  950. - concat filter

  951. - flite filter

  952. - Canopus Lossless Codec decoder

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

  954. - MP2 encoding via TwoLAME

  955. - bmp parser

  956. - smptebars source

  957. - asetpts filter

  958. - hue filter

  959. - ICO muxer

  960. - SubRip encoder and decoder without embedded timing

  961. - edge detection filter

  962. - framestep filter

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

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

  965. - volume measurement filter

  966. - Ut Video encoder

  967. - Microsoft Screen 2 decoder

  968. - smartblur filter ported from MPlayer

  969. - CPiA decoder

  970. - decimate filter ported from MPlayer

  971. - RTP depacketization of JPEG

  972. - Smooth Streaming live segmenter muxer

  973. - F4V muxer

  974. - sendcmd and asendcmd filters

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

  976. - RTP packetization of JPEG

  977. - faststart option in the MOV/MP4 muxer

  978. - support for building with MSVC

  979. 

  980. 

  981. version 0.11:

  982. 

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

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

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

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

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

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

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

  990. - setfield filter

  991. - CDXL demuxer and decoder

  992. - Apple ProRes encoder

  993. - ffprobe -count_packets and -count_frames options

  994. - Sun Rasterfile Encoder

  995. - ID3v2 attached pictures reading and writing

  996. - WMA Lossless decoder

  997. - bluray protocol

  998. - blackdetect filter

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

  1000. - swapuv filter

  1001. - bbox filter

  1002. - XBM encoder and decoder

  1003. - RealAudio Lossless decoder

  1004. - ZeroCodec decoder

  1005. - tile video filter

  1006. - Metal Gear Solid: The Twin Snakes demuxer

  1007. - OpenEXR image decoder

  1008. - removelogo filter

  1009. - drop support for ffmpeg without libavfilter

  1010. - drawtext video filter: fontconfig support

  1011. - ffmpeg -benchmark_all option

  1012. - super2xsai filter ported from libmpcodecs

  1013. - add libavresample audio conversion library for compatibility

  1014. - MicroDVD decoder

  1015. - Avid Meridien (AVUI) encoder and decoder

  1016. - accept + prefix to -pix_fmt option to disable automatic conversions.

  1017. - complete audio filtering in libavfilter and ffmpeg

  1018. - add fps filter

  1019. - vorbis parser

  1020. - png parser

  1021. - audio mix filter

  1022. - ffv1: support (draft) version 1.3

  1023. 

  1024. 

  1025. version 0.10:

  1026. 

  1027. - Fixes: CVE-2011-3929, CVE-2011-3934, CVE-2011-3935, CVE-2011-3936,

  1028.          CVE-2011-3937, CVE-2011-3940, CVE-2011-3941, CVE-2011-3944,

  1029.          CVE-2011-3945, CVE-2011-3946, CVE-2011-3947, CVE-2011-3949,

  1030.          CVE-2011-3950, CVE-2011-3951, CVE-2011-3952

  1031. - v410 Quicktime Uncompressed 4:4:4 10-bit encoder and decoder

  1032. - SBaGen (SBG) binaural beats script demuxer

  1033. - OpenMG Audio muxer

  1034. - Timecode extraction in DV and MOV

  1035. - thumbnail video filter

  1036. - XML output in ffprobe

  1037. - asplit audio filter

  1038. - tinterlace video filter

  1039. - astreamsync audio filter

  1040. - amerge audio filter

  1041. - ISMV (Smooth Streaming) muxer

  1042. - GSM audio parser

  1043. - SMJPEG muxer

  1044. - XWD encoder and decoder

  1045. - Automatic thread count based on detection number of (available) CPU cores

  1046. - y41p Brooktree Uncompressed 4:1:1 12-bit encoder and decoder

  1047. - ffprobe -show_error option

  1048. - Avid 1:1 10-bit RGB Packer codec

  1049. - v308 Quicktime Uncompressed 4:4:4 encoder and decoder

  1050. - yuv4 libquicktime packed 4:2:0 encoder and decoder

  1051. - ffprobe -show_frames option

  1052. - silencedetect audio filter

  1053. - ffprobe -show_program_version, -show_library_versions, -show_versions options

  1054. - rv34: frame-level multi-threading

  1055. - optimized iMDCT transform on x86 using SSE for for mpegaudiodec

  1056. - Improved PGS subtitle decoder

  1057. - dumpgraph option to lavfi device

  1058. - r210 and r10k encoders

  1059. - ffwavesynth decoder

  1060. - aviocat tool

  1061. - ffeval tool

  1062. - support encoding and decoding 4-channel SGI images

  1063. 

  1064. 

  1065. version 0.9:

  1066. 

  1067. - openal input device added

  1068. - boxblur filter added

  1069. - BWF muxer

  1070. - Flash Screen Video 2 decoder

  1071. - lavfi input device added

  1072. - added avconv, which is almost the same for now, except

  1073. for a few incompatible changes in the options, which will hopefully make them

  1074. easier to use. The changes are:

  1075.     * The options placement is now strictly enforced! While in theory the

  1076.       options for ffmpeg should be given in [input options] -i INPUT [output

  1077.       options] OUTPUT order, in practice it was possible to give output options

  1078.       before the -i and it mostly worked. Except when it didn't - the behavior was

  1079.       a bit inconsistent. In avconv, it is not possible to mix input and output

  1080.       options. All non-global options are reset after an input or output filename.

  1081.     * All per-file options are now truly per-file - they apply only to the next

  1082.       input or output file and specifying different values for different files

  1083.       will now work properly (notably -ss and -t options).

  1084.     * All per-stream options are now truly per-stream - it is possible to

  1085.       specify which stream(s) should a given option apply to. See the Stream

  1086.       specifiers section in the avconv manual for details.

  1087.     * In ffmpeg some options (like -newvideo/-newaudio/...) are irregular in the

  1088.       sense that they're specified after the output filename instead of before,

  1089.       like all other options. In avconv this irregularity is removed, all options

  1090.       apply to the next input or output file.

  1091.     * -newvideo/-newaudio/-newsubtitle options were removed. Not only were they

  1092.       irregular and highly confusing, they were also redundant. In avconv the -map

  1093.       option will create new streams in the output file and map input streams to

  1094.       them. E.g. avconv -i INPUT -map 0 OUTPUT will create an output stream for

  1095.       each stream in the first input file.

  1096.     * The -map option now has slightly different and more powerful syntax:

  1097.         + Colons (':') are used to separate file index/stream type/stream index

  1098.           instead of dots. Comma (',') is used to separate the sync stream instead

  1099.           of colon.. This is done for consistency with other options.

  1100.         + It's possible to specify stream type. E.g. -map 0:a:2 creates an

  1101.           output stream from the third input audio stream.

  1102.         + Omitting the stream index now maps all the streams of the given type,

  1103.           not just the first. E.g. -map 0:s creates output streams for all the

  1104.           subtitle streams in the first input file.

  1105.         + Since -map can now match multiple streams, negative mappings were

  1106.           introduced. Negative mappings disable some streams from an already

  1107.           defined map. E.g. '-map 0 -map -0:a:1' means 'create output streams for

  1108.           all the stream in the first input file, except for the second audio

  1109.           stream'.

  1110.     * There is a new option -c (or -codec) for choosing the decoder/encoder to

  1111.       use, which makes it possible to precisely specify target stream(s) consistently with

  1112.       other options. E.g. -c:v lib264 sets the codec for all video streams, -c:a:0

  1113.       libvorbis sets the codec for the first audio stream and -c copy copies all

  1114.       the streams without reencoding. Old -vcodec/-acodec/-scodec options are now

  1115.       aliases to -c:v/a/s

  1116.     * It is now possible to precisely specify which stream should an AVOption

  1117.       apply to. E.g. -b:v:0 2M sets the bitrate for the first video stream, while

  1118.       -b:a 128k sets the bitrate for all audio streams. Note that the old -ab 128k

  1119.       syntax is deprecated and will stop working soon.

  1120.     * -map_chapters now takes only an input file index and applies to the next

  1121.       output file. This is consistent with how all the other options work.

  1122.     * -map_metadata now takes only an input metadata specifier and applies to

  1123.       the next output file. Output metadata specifier is now part of the option

  1124.       name, similarly to the AVOptions/map/codec feature above.

  1125.     * -metadata can now be used to set metadata on streams and chapters, e.g.

  1126.       -metadata:s:1 language=eng sets the language of the first stream to 'eng'.

  1127.       This made -vlang/-alang/-slang options redundant, so they were removed.

  1128.     * -qscale option now uses stream specifiers and applies to all streams, not

  1129.       just video. I.e. plain -qscale number would now apply to all streams. To get

  1130.       the old behavior, use -qscale:v. Also there is now a shortcut -q for -qscale

  1131.       and -aq is now an alias for -q:a.

  1132.     * -vbsf/-absf/-sbsf options were removed and replaced by a -bsf option which

  1133.       uses stream specifiers. Use -bsf:v/a/s instead of the old options.

  1134.     * -itsscale option now uses stream specifiers, so its argument is only the

  1135.       scale parameter.

  1136.     * -intra option was removed, use -g 0 for the same effect.

  1137.     * -psnr option was removed, use -flags +psnr for the same effect.

  1138.     * -vf option is now an alias to the new -filter option, which uses stream specifiers.

  1139.     * -vframes/-aframes/-dframes options are now aliases to the new -frames option.

  1140.     * -vtag/-atag/-stag options are now aliases to the new -tag option.

  1141. - XMV demuxer

  1142. - LOAS demuxer

  1143. - ashowinfo filter added

  1144. - Windows Media Image decoder

  1145. - amovie source added

  1146. - LATM muxer/demuxer

  1147. - Speex encoder via libspeex

  1148. - JSON output in ffprobe

  1149. - WTV muxer

  1150. - Optional C++ Support (needed for libstagefright)

  1151. - H.264 Decoding on Android via Stagefright

  1152. - Prores decoder

  1153. - BIN/XBIN/ADF/IDF text file decoder

  1154. - aconvert audio filter added

  1155. - audio support to lavfi input device added

  1156. - libcdio-paranoia input device for audio CD grabbing

  1157. - Apple ProRes decoder

  1158. - CELT in Ogg demuxing

  1159. - G.723.1 demuxer and decoder

  1160. - libmodplug support (--enable-libmodplug)

  1161. - VC-1 interlaced decoding

  1162. - libutvideo wrapper (--enable-libutvideo)

  1163. - aevalsrc audio source added

  1164. - Ut Video decoder

  1165. - Speex encoding via libspeex

  1166. - 4:2:2 H.264 decoding support

  1167. - 4:2:2 and 4:4:4 H.264 encoding with libx264

  1168. - Pulseaudio input device

  1169. - Prores encoder

  1170. - Video Decoder Acceleration (VDA) HWAccel module.

  1171. - replacement Indeo 3 decoder

  1172. - new ffmpeg option: -map_channel

  1173. - volume audio filter added

  1174. - earwax audio filter added

  1175. - libv4l2 support (--enable-libv4l2)

  1176. - TLS/SSL and HTTPS protocol support

  1177. - AVOptions API rewritten and documented

  1178. - most of CODEC_FLAG2_*, some CODEC_FLAG_* and many codec-specific fields in

  1179.   AVCodecContext deprecated. Codec private options should be used instead.

  1180. - Properly working defaults in libx264 wrapper, support for native presets.

  1181. - Encrypted OMA files support

  1182. - Discworld II BMV decoding support

  1183. - VBLE Decoder

  1184. - OS X Video Decoder Acceleration (VDA) support

  1185. - compact and csv output in ffprobe

  1186. - pan audio filter

  1187. - IFF Amiga Continuous Bitmap (ACBM) decoder

  1188. - ass filter

  1189. - CRI ADX audio format muxer and demuxer

  1190. - Playstation Portable PMP format demuxer

  1191. - Microsoft Windows ICO demuxer

  1192. - life source

  1193. - PCM format support in OMA demuxer

  1194. - CLJR encoder

  1195. - new option: -report

  1196. - Dxtory capture format decoder

  1197. - cellauto source

  1198. - Simple segmenting muxer

  1199. - Indeo 4 decoder

  1200. - SMJPEG demuxer

  1201. 

  1202. 

  1203. version 0.8:

  1204. 

  1205. - many many things we forgot because we rather write code than changelogs

  1206. - WebM support in Matroska de/muxer

  1207. - low overhead Ogg muxing

  1208. - MMS-TCP support

  1209. - VP8 de/encoding via libvpx

  1210. - Demuxer for On2's IVF format

  1211. - Pictor/PC Paint decoder

  1212. - HE-AAC v2 decoder

  1213. - HE-AAC v2 encoding with libaacplus

  1214. - libfaad2 wrapper removed

  1215. - DTS-ES extension (XCh) decoding support

  1216. - native VP8 decoder

  1217. - RTSP tunneling over HTTP

  1218. - RTP depacketization of SVQ3

  1219. - -strict inofficial replaced by -strict unofficial

  1220. - ffplay -exitonkeydown and -exitonmousedown options added

  1221. - native GSM / GSM MS decoder

  1222. - RTP depacketization of QDM2

  1223. - ANSI/ASCII art playback system

  1224. - Lego Mindstorms RSO de/muxer

  1225. - libavcore added (and subsequently removed)

  1226. - SubRip subtitle file muxer and demuxer

  1227. - Chinese AVS encoding via libxavs

  1228. - ffprobe -show_packets option added

  1229. - RTP packetization of Theora and Vorbis

  1230. - RTP depacketization of MP4A-LATM

  1231. - RTP packetization and depacketization of VP8

  1232. - hflip filter

  1233. - Apple HTTP Live Streaming demuxer

  1234. - a64 codec

  1235. - MMS-HTTP support

  1236. - G.722 ADPCM audio encoder/decoder

  1237. - R10k video decoder

  1238. - ocv_smooth filter

  1239. - frei0r wrapper filter

  1240. - change crop filter syntax to width:height:x:y

  1241. - make the crop filter accept parametric expressions

  1242. - make ffprobe accept AVFormatContext options

  1243. - yadif filter

  1244. - blackframe filter

  1245. - Demuxer for Leitch/Harris' VR native stream format (LXF)

  1246. - RTP depacketization of the X-QT QuickTime format

  1247. - SAP (Session Announcement Protocol, RFC 2974) muxer and demuxer

  1248. - cropdetect filter

  1249. - ffmpeg -crop* options removed

  1250. - transpose filter added

  1251. - ffmpeg -force_key_frames option added

  1252. - demuxer for receiving raw rtp:// URLs without an SDP description

  1253. - single stream LATM/LOAS decoder

  1254. - setpts filter added

  1255. - Win64 support for optimized x86 assembly functions

  1256. - MJPEG/AVI1 to JPEG/JFIF bitstream filter

  1257. - ASS subtitle encoder and decoder

  1258. - IEC 61937 encapsulation for E-AC-3, TrueHD, DTS-HD (for HDMI passthrough)

  1259. - overlay filter added

  1260. - rename aspect filter to setdar, and pixelaspect to setsar

  1261. - IEC 61937 demuxer

  1262. - Mobotix .mxg demuxer

  1263. - frei0r source added

  1264. - hqdn3d filter added

  1265. - RTP depacketization of QCELP

  1266. - FLAC parser added

  1267. - gradfun filter added

  1268. - AMR-WB decoder

  1269. - replace the ocv_smooth filter with a more generic ocv filter

  1270. - Windows Televison (WTV) demuxer

  1271. - FFmpeg metadata format muxer and demuxer

  1272. - SubRip (srt) subtitle encoder and decoder

  1273. - floating-point AC-3 encoder added

  1274. - Lagarith decoder

  1275. - ffmpeg -copytb option added

  1276. - IVF muxer added

  1277. - Wing Commander IV movies decoder added

  1278. - movie source added

  1279. - Bink version 'b' audio and video decoder

  1280. - Bitmap Brothers JV playback system

  1281. - Apple HTTP Live Streaming protocol handler

  1282. - sndio support for playback and record

  1283. - Linux framebuffer input device added

  1284. - Chronomaster DFA decoder

  1285. - DPX image encoder

  1286. - MicroDVD subtitle file muxer and demuxer

  1287. - Playstation Portable PMP format demuxer

  1288. - fieldorder video filter added

  1289. - AAC encoding via libvo-aacenc

  1290. - AMR-WB encoding via libvo-amrwbenc

  1291. - xWMA demuxer

  1292. - Mobotix MxPEG decoder

  1293. - VP8 frame-multithreading

  1294. - NEON optimizations for VP8

  1295. - Lots of deprecated API cruft removed

  1296. - fft and imdct optimizations for AVX (Sandy Bridge) processors

  1297. - showinfo filter added

  1298. - SMPTE 302M AES3 audio decoder

  1299. - Apple Core Audio Format muxer

  1300. - 9 bits and 10 bits per sample support in the H.264 decoder

  1301. - 9 bits and 10 bits FFV1 encoding / decoding

  1302. - split filter added

  1303. - select filter added

  1304. - sdl output device added

  1305. - libmpcodecs video filter support (3 times as many filters than before)

  1306. - mpeg2 aspect ratio dection fixed

  1307. - libxvid aspect pickiness fixed

  1308. - Frame multithreaded decoding

  1309. - E-AC-3 audio encoder

  1310. - ac3enc: add channel coupling support

  1311. - floating-point sample format support to the ac3, eac3, dca, aac, and vorbis decoders.

  1312. - H264/MPEG frame-level multi-threading

  1313. - All av_metadata_* functions renamed to av_dict_* and moved to libavutil

  1314. - 4:4:4 H.264 decoding support

  1315. - 10-bit H.264 optimizations for x86

  1316. - lut, lutrgb, and lutyuv filters added

  1317. - buffersink libavfilter sink added

  1318. - Bump libswscale for recently reported ABI break

  1319. - New J2K encoder (via OpenJPEG)

  1320. 

  1321. 

  1322. version 0.7:

  1323. 

  1324. - all the changes for 0.8, but keeping API/ABI compatibility with the 0.6 release

  1325. 

  1326. 

  1327. version 0.6:

  1328. 

  1329. - PB-frame decoding for H.263

  1330. - deprecated vhook subsystem removed

  1331. - deprecated old scaler removed

  1332. - VQF demuxer

  1333. - Alpha channel scaler

  1334. - PCX encoder

  1335. - RTP packetization of H.263

  1336. - RTP packetization of AMR

  1337. - RTP depacketization of Vorbis

  1338. - CorePNG decoding support

  1339. - Cook multichannel decoding support

  1340. - introduced avlanguage helpers in libavformat

  1341. - 8088flex TMV demuxer and decoder

  1342. - per-stream language-tags extraction in asfdec

  1343. - V210 decoder and encoder

  1344. - remaining GPL parts in AC-3 decoder converted to LGPL

  1345. - QCP demuxer

  1346. - SoX native format muxer and demuxer

  1347. - AMR-NB decoding/encoding, AMR-WB decoding via OpenCORE libraries

  1348. - DPX image decoder

  1349. - Electronic Arts Madcow decoder

  1350. - DivX (XSUB) subtitle encoder

  1351. - nonfree libamr support for AMR-NB/WB decoding/encoding removed

  1352. - experimental AAC encoder

  1353. - RTP depacketization of ASF and RTSP from WMS servers

  1354. - RTMP support in libavformat

  1355. - noX handling for OPT_BOOL X options

  1356. - Wave64 demuxer

  1357. - IEC-61937 compatible Muxer

  1358. - TwinVQ decoder

  1359. - Bluray (PGS) subtitle decoder

  1360. - LPCM support in MPEG-TS (HDMV RID as found on Blu-ray disks)

  1361. - WMA Pro decoder

  1362. - Core Audio Format demuxer

  1363. - ATRAC1 decoder

  1364. - MD STUDIO audio demuxer

  1365. - RF64 support in WAV demuxer

  1366. - MPEG-4 Audio Lossless Coding (ALS) decoder

  1367. - -formats option split into -formats, -codecs, -bsfs, and -protocols

  1368. - IV8 demuxer

  1369. - CDG demuxer and decoder

  1370. - R210 decoder

  1371. - Auravision Aura 1 and 2 decoders

  1372. - Deluxe Paint Animation playback system

  1373. - SIPR decoder

  1374. - Adobe Filmstrip muxer and demuxer

  1375. - RTP depacketization of H.263

  1376. - Bink demuxer and audio/video decoders

  1377. - enable symbol versioning by default for linkers that support it

  1378. - IFF PBM/ILBM bitmap decoder

  1379. - concat protocol

  1380. - Indeo 5 decoder

  1381. - RTP depacketization of AMR

  1382. - WMA Voice decoder

  1383. - ffprobe tool

  1384. - AMR-NB decoder

  1385. - RTSP muxer

  1386. - HE-AAC v1 decoder

  1387. - Kega Game Video (KGV1) decoder

  1388. - VorbisComment writing for FLAC, Ogg FLAC and Ogg Speex files

  1389. - RTP depacketization of Theora

  1390. - HTTP Digest authentication

  1391. - RTMP/RTMPT/RTMPS/RTMPE/RTMPTE protocol support via librtmp

  1392. - Psygnosis YOP demuxer and video decoder

  1393. - spectral extension support in the E-AC-3 decoder

  1394. - unsharp video filter

  1395. - RTP hinting in the mov/3gp/mp4 muxer

  1396. - Dirac in Ogg demuxing

  1397. - seek to keyframes in Ogg

  1398. - 4:2:2 and 4:4:4 Theora decoding

  1399. - 35% faster VP3/Theora decoding

  1400. - faster AAC decoding

  1401. - faster H.264 decoding

  1402. - RealAudio 1.0 (14.4K) encoder

  1403. 

  1404. 

  1405. version 0.5:

  1406. 

  1407. - DV50 AKA DVCPRO50 encoder, decoder, muxer and demuxer

  1408. - TechSmith Camtasia (TSCC) video decoder

  1409. - IBM Ultimotion (ULTI) video decoder

  1410. - Sierra Online audio file demuxer and decoder

  1411. - Apple QuickDraw (qdrw) video decoder

  1412. - Creative ADPCM audio decoder (16 bits as well as 8 bits schemes)

  1413. - Electronic Arts Multimedia (WVE/UV2/etc.) file demuxer

  1414. - Miro VideoXL (VIXL) video decoder

  1415. - H.261 video encoder

  1416. - QPEG video decoder

  1417. - Nullsoft Video (NSV) file demuxer

  1418. - Shorten audio decoder

  1419. - LOCO video decoder

  1420. - Apple Lossless Audio Codec (ALAC) decoder

  1421. - Winnov WNV1 video decoder

  1422. - Autodesk Animator Studio Codec (AASC) decoder

  1423. - Indeo 2 video decoder

  1424. - Fraps FPS1 video decoder

  1425. - Snow video encoder/decoder

  1426. - Sonic audio encoder/decoder

  1427. - Vorbis audio decoder

  1428. - Macromedia ADPCM decoder

  1429. - Duck TrueMotion 2 video decoder

  1430. - support for decoding FLX and DTA extensions in FLIC files

  1431. - H.264 custom quantization matrices support

  1432. - ffserver fixed, it should now be usable again

  1433. - QDM2 audio decoder

  1434. - Real Cooker audio decoder

  1435. - TrueSpeech audio decoder

  1436. - WMA2 audio decoder fixed, now all files should play correctly

  1437. - RealAudio 14.4 and 28.8 decoders fixed

  1438. - JPEG-LS decoder

  1439. - build system improvements

  1440. - tabs and trailing whitespace removed from the codebase

  1441. - CamStudio video decoder

  1442. - AIFF/AIFF-C audio format, encoding and decoding

  1443. - ADTS AAC file reading and writing

  1444. - Creative VOC file reading and writing

  1445. - American Laser Games multimedia (*.mm) playback system

  1446. - Zip Motion Blocks Video decoder

  1447. - improved Theora/VP3 decoder

  1448. - True Audio (TTA) decoder

  1449. - AVS demuxer and video decoder

  1450. - JPEG-LS encoder

  1451. - Smacker demuxer and decoder

  1452. - NuppelVideo/MythTV demuxer and RTjpeg decoder

  1453. - KMVC decoder

  1454. - MPEG-2 intra VLC support

  1455. - MPEG-2 4:2:2 encoder

  1456. - Flash Screen Video decoder

  1457. - GXF demuxer

  1458. - Chinese AVS decoder

  1459. - GXF muxer

  1460. - MXF demuxer

  1461. - VC-1/WMV3/WMV9 video decoder

  1462. - MacIntel support

  1463. - AviSynth support

  1464. - VMware video decoder

  1465. - VP5 video decoder

  1466. - VP6 video decoder

  1467. - WavPack lossless audio decoder

  1468. - Targa (.TGA) picture decoder

  1469. - Vorbis audio encoder

  1470. - Delphine Software .cin demuxer/audio and video decoder

  1471. - Tiertex .seq demuxer/video decoder

  1472. - MTV demuxer

  1473. - TIFF picture encoder and decoder

  1474. - GIF picture decoder

  1475. - Intel Music Coder decoder

  1476. - Zip Motion Blocks Video encoder

  1477. - Musepack decoder

  1478. - Flash Screen Video encoder

  1479. - Theora encoding via libtheora

  1480. - BMP encoder

  1481. - WMA encoder

  1482. - GSM-MS encoder and decoder

  1483. - DCA decoder

  1484. - DXA demuxer and decoder

  1485. - DNxHD decoder

  1486. - Gamecube movie (.THP) playback system

  1487. - Blackfin optimizations

  1488. - Interplay C93 demuxer and video decoder

  1489. - Bethsoft VID demuxer and video decoder

  1490. - CRYO APC demuxer

  1491. - ATRAC3 decoder

  1492. - V.Flash PTX decoder

  1493. - RoQ muxer, RoQ audio encoder

  1494. - Renderware TXD demuxer and decoder

  1495. - extern C declarations for C++ removed from headers

  1496. - sws_flags command line option

  1497. - codebook generator

  1498. - RoQ video encoder

  1499. - QTRLE encoder

  1500. - OS/2 support removed and restored again

  1501. - AC-3 decoder

  1502. - NUT muxer

  1503. - additional SPARC (VIS) optimizations

  1504. - Matroska muxer

  1505. - slice-based parallel H.264 decoding

  1506. - Monkey's Audio demuxer and decoder

  1507. - AMV audio and video decoder

  1508. - DNxHD encoder

  1509. - H.264 PAFF decoding

  1510. - Nellymoser ASAO decoder

  1511. - Beam Software SIFF demuxer and decoder

  1512. - libvorbis Vorbis decoding removed in favor of native decoder

  1513. - IntraX8 (J-Frame) subdecoder for WMV2 and VC-1

  1514. - Ogg (Theora, Vorbis and FLAC) muxer

  1515. - The "device" muxers and demuxers are now in a new libavdevice library

  1516. - PC Paintbrush PCX decoder

  1517. - Sun Rasterfile decoder

  1518. - TechnoTrend PVA demuxer

  1519. - Linux Media Labs MPEG-4 (LMLM4) demuxer

  1520. - AVM2 (Flash 9) SWF muxer

  1521. - QT variant of IMA ADPCM encoder

  1522. - VFW grabber

  1523. - iPod/iPhone compatible mp4 muxer

  1524. - Mimic decoder

  1525. - MSN TCP Webcam stream demuxer

  1526. - RL2 demuxer / decoder

  1527. - IFF demuxer

  1528. - 8SVX audio decoder

  1529. - non-recursive Makefiles

  1530. - BFI demuxer

  1531. - MAXIS EA XA (.xa) demuxer / decoder

  1532. - BFI video decoder

  1533. - OMA demuxer

  1534. - MLP/TrueHD decoder

  1535. - Electronic Arts CMV decoder

  1536. - Motion Pixels Video decoder

  1537. - Motion Pixels MVI demuxer

  1538. - removed animated GIF decoder/demuxer

  1539. - D-Cinema audio muxer

  1540. - Electronic Arts TGV decoder

  1541. - Apple Lossless Audio Codec (ALAC) encoder

  1542. - AAC decoder

  1543. - floating point PCM encoder/decoder

  1544. - MXF muxer

  1545. - DV100 AKA DVCPRO HD decoder and demuxer

  1546. - E-AC-3 support added to AC-3 decoder

  1547. - Nellymoser ASAO encoder

  1548. - ASS and SSA demuxer and muxer

  1549. - liba52 wrapper removed

  1550. - SVQ3 watermark decoding support

  1551. - Speex decoding via libspeex

  1552. - Electronic Arts TGQ decoder

  1553. - RV40 decoder

  1554. - QCELP / PureVoice decoder

  1555. - RV30 decoder

  1556. - hybrid WavPack support

  1557. - R3D REDCODE demuxer

  1558. - ALSA support for playback and record

  1559. - Electronic Arts TQI decoder

  1560. - OpenJPEG based JPEG 2000 decoder

  1561. - NC (NC4600) camera file demuxer

  1562. - Gopher client support

  1563. - MXF D-10 muxer

  1564. - generic metadata API

  1565. - flash ScreenVideo2 encoder

  1566. 

  1567. 

  1568. version 0.4.9-pre1:

  1569. 

  1570. - DV encoder, DV muxer

  1571. - Microsoft RLE video decoder

  1572. - Microsoft Video-1 decoder

  1573. - Apple Animation (RLE) decoder

  1574. - Apple Graphics (SMC) decoder

  1575. - Apple Video (RPZA) decoder

  1576. - Cinepak decoder

  1577. - Sega FILM (CPK) file demuxer

  1578. - Westwood multimedia support (VQA & AUD files)

  1579. - Id Quake II CIN playback support

  1580. - 8BPS video decoder

  1581. - FLIC playback support

  1582. - RealVideo 2.0 (RV20) decoder

  1583. - Duck TrueMotion v1 (DUCK) video decoder

  1584. - Sierra VMD demuxer and video decoder

  1585. - MSZH and ZLIB decoder support

  1586. - SVQ1 video encoder

  1587. - AMR-WB support

  1588. - PPC optimizations

  1589. - rate distortion optimal cbp support

  1590. - rate distorted optimal ac prediction for MPEG-4

  1591. - rate distorted optimal lambda->qp support

  1592. - AAC encoding with libfaac

  1593. - Sunplus JPEG codec (SP5X) support

  1594. - use Lagrange multiplier instead of QP for ratecontrol

  1595. - Theora/VP3 decoding support

  1596. - XA and ADX ADPCM codecs

  1597. - export MPEG-2 active display area / pan scan

  1598. - Add support for configuring with IBM XLC

  1599. - floating point AAN DCT

  1600. - initial support for zygo video (not complete)

  1601. - RGB ffv1 support

  1602. - new audio/video parser API

  1603. - av_log() system

  1604. - av_read_frame() and av_seek_frame() support

  1605. - missing last frame fixes

  1606. - seek by mouse in ffplay

  1607. - noise reduction of DCT coefficients

  1608. - H.263 OBMC & 4MV support

  1609. - H.263 alternative inter vlc support

  1610. - H.263 loop filter

  1611. - H.263 slice structured mode

  1612. - interlaced DCT support for MPEG-2 encoding

  1613. - stuffing to stay above min_bitrate

  1614. - MB type & QP visualization

  1615. - frame stepping for ffplay

  1616. - interlaced motion estimation

  1617. - alternate scantable support

  1618. - SVCD scan offset support

  1619. - closed GOP support

  1620. - SSE2 FDCT

  1621. - quantizer noise shaping

  1622. - G.726 ADPCM audio codec

  1623. - MS ADPCM encoding

  1624. - multithreaded/SMP motion estimation

  1625. - multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263

  1626. - multithreaded/SMP decoding for MPEG-2

  1627. - FLAC decoder

  1628. - Metrowerks CodeWarrior suppport

  1629. - H.263+ custom pcf support

  1630. - nicer output for 'ffmpeg -formats'

  1631. - Matroska demuxer

  1632. - SGI image format, encoding and decoding

  1633. - H.264 loop filter support

  1634. - H.264 CABAC support

  1635. - nicer looking arrows for the motion vector visualization

  1636. - improved VCD support

  1637. - audio timestamp drift compensation

  1638. - MPEG-2 YUV 422/444 support

  1639. - polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample

  1640. - better image scaling

  1641. - H.261 support

  1642. - correctly interleave packets during encoding

  1643. - VIS optimized motion compensation

  1644. - intra_dc_precision>0 encoding support

  1645. - support reuse of motion vectors/MB types/field select values of the source video

  1646. - more accurate deblock filter

  1647. - padding support

  1648. - many optimizations and bugfixes

  1649. - FunCom ISS audio file demuxer and according ADPCM decoding

  1650. 

  1651. 

  1652. version 0.4.8:

  1653. 

  1654. - MPEG-2 video encoding (Michael)

  1655. - Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)

  1656. - Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson

  1657.   and Mario Brito)

  1658. - Xan DPCM audio decoder (Mario Brito)

  1659. - Interplay MVE playback subsystem (Mike Melanson)

  1660. - Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)

  1661. 

  1662. 

  1663. version 0.4.7:

  1664. 

  1665. - RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from mplayerhq

  1666.   (originally from public domain player for Amiga at http://www.honeypot.net/audio)

  1667. - current version now also compiles with older GCC (Fabrice)

  1668. - 4X multimedia playback system including 4xm file demuxer (Mike

  1669.   Melanson), and 4X video and audio codecs (Michael)

  1670. - Creative YUV (CYUV) decoder (Mike Melanson)

  1671. - FFV1 codec (our very simple lossless intra only codec, compresses much better

  1672.   than HuffYUV) (Michael)

  1673. - ASV1 (Asus), H.264, Intel indeo3 codecs have been added (various)

  1674. - tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with

  1675.   alpha support), JPEG YUV colorspace support. (Fabrice Bellard)

  1676. - ffplay has been replaced with a newer version which uses SDL (optionally)

  1677.   for multiplatform support (Fabrice)

  1678. - Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated

  1679.   by anonymous

  1680. - AMR format has been added (Johannes Carlsson)

  1681. - 3GP support has been added (Johannes Carlsson)

  1682. - VP3 codec has been added (Mike Melanson)

  1683. - more MPEG-1/2 fixes

  1684. - better multiplatform support, MS Visual Studio fixes (various)

  1685. - AltiVec optimizations (Magnus Damn and others)

  1686. - SH4 processor support has been added (BERO)

  1687. - new public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)

  1688. - VOB streaming support (Brian Foley)

  1689. - better MP3 autodetection (Andriy Rysin)

  1690. - qpel encoding (Michael)

  1691. - 4mv+b frames encoding finally fixed (Michael)

  1692. - chroma ME (Michael)

  1693. - 5 comparison functions for ME (Michael)

  1694. - B-frame encoding speedup (Michael)

  1695. - WMV2 codec (unfinished - Michael)

  1696. - user specified diamond size for EPZS (Michael)

  1697. - Playstation STR playback subsystem, still experimental (Mike and Michael)

  1698. - ASV2 codec (Michael)

  1699. - CLJR decoder (Alex)

  1700. 

  1701. .. And lots more new enhancements and fixes.

  1702. 

  1703. 

  1704. version 0.4.6:

  1705. 

  1706. - completely new integer only MPEG audio layer 1/2/3 decoder rewritten

  1707.   from scratch

  1708. - Recoded DCT and motion vector search with gcc (no longer depends on nasm)

  1709. - fix quantization bug in AC3 encoder

  1710. - added PCM codecs and format. Corrected WAV/AVI/ASF PCM issues

  1711. - added prototype ffplay program

  1712. - added GOB header parsing on H.263/H.263+ decoder (Juanjo)

  1713. - bug fix on MCBPC tables of H.263 (Juanjo)

  1714. - bug fix on DC coefficients of H.263 (Juanjo)

  1715. - added Advanced Prediction Mode on H.263/H.263+ decoder (Juanjo)

  1716. - now we can decode H.263 streams found in QuickTime files (Juanjo)

  1717. - now we can decode H.263 streams found in VIVO v1 files(Juanjo)

  1718. - preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)

  1719. - added GOB header for H.263/H.263+ coding on RTP mode (Juanjo)

  1720. - now H.263 picture size is returned on the first decoded frame (Juanjo)

  1721. - added first regression tests

  1722. - added MPEG-2 TS demuxer

  1723. - new demux API for libav

  1724. - more accurate and faster IDCT (Michael)

  1725. - faster and entropy-controlled motion search (Michael)

  1726. - two pass video encoding (Michael)

  1727. - new video rate control (Michael)

  1728. - added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)

  1729. - great performance improvement of video encoders and decoders (Michael)

  1730. - new and faster bit readers and vlc parsers (Michael)

  1731. - high quality encoding mode: tries all macroblock/VLC types (Michael)

  1732. - added DV video decoder

  1733. - preliminary RTP/RTSP support in ffserver and libavformat

  1734. - H.263+ AIC decoding/encoding support (Juanjo)

  1735. - VCD MPEG-PS mode (Juanjo)

  1736. - PSNR stuff (Juanjo)

  1737. - simple stats output (Juanjo)

  1738. - 16-bit and 15-bit RGB/BGR/GBR support (Bisqwit)

  1739. 

  1740. 

  1741. version 0.4.5:

  1742. 

  1743. - some header fixes (Zdenek Kabelac <kabi at informatics.muni.cz>)

  1744. - many MMX optimizations (Nick Kurshev <nickols_k at mail.ru>)

  1745. - added configure system (actually a small shell script)

  1746. - added MPEG audio layer 1/2/3 decoding using LGPL'ed mpglib by

  1747.   Michael Hipp (temporary solution - waiting for integer only

  1748.   decoder)

  1749. - fixed VIDIOCSYNC interrupt

  1750. - added Intel H.263 decoding support ('I263' AVI fourCC)

  1751. - added Real Video 1.0 decoding (needs further testing)

  1752. - simplified image formats again. Added PGM format (=grey

  1753.   pgm). Renamed old PGM to PGMYUV.

  1754. - fixed msmpeg4 slice issues (tell me if you still find problems)

  1755. - fixed OpenDivX bugs with newer versions (added VOL header decoding)

  1756. - added support for MPlayer interface

  1757. - added macroblock skip optimization

  1758. - added MJPEG decoder

  1759. - added mmx/mmxext IDCT from libmpeg2

  1760. - added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer

  1761.   <celer at shell.scrypt.net>)

  1762. - added pixel format conversion layer (e.g. for MJPEG or PPM)

  1763. - added deinterlacing option

  1764. - MPEG-1/2 fixes

  1765. - MPEG-4 vol header fixes (Jonathan Marsden <snmjbm at pacbell.net>)

  1766. - ARM optimizations (Lionel Ulmer <lionel.ulmer at free.fr>).

  1767. - Windows porting of file converter

  1768. - added MJPEG raw format (input/output)

  1769. - added JPEG image format support (input/output)

  1770. 

  1771. 

  1772. version 0.4.4:

  1773. 

  1774. - fixed some std header definitions (Bjorn Lindgren

  1775.   <bjorn.e.lindgren at telia.com>).

  1776. - added MPEG demuxer (MPEG-1 and 2 compatible).

  1777. - added ASF demuxer

  1778. - added prototype RM demuxer

  1779. - added AC3 decoding (done with libac3 by Aaron Holtzman)

  1780. - added decoding codec parameter guessing (.e.g. for MPEG, because the

  1781.   header does not include them)

  1782. - fixed header generation in MPEG-1, AVI and ASF muxer: wmplayer can now

  1783.   play them (only tested video)

  1784. - fixed H.263 white bug

  1785. - fixed phase rounding in img resample filter

  1786. - add MMX code for polyphase img resample filter

  1787. - added CPU autodetection

  1788. - added generic title/author/copyright/comment string handling (ASF and RM

  1789.   use them)

  1790. - added SWF demux to extract MP3 track (not usable yet because no MP3

  1791.   decoder)

  1792. - added fractional frame rate support

  1793. - codecs are no longer searched by read_header() (should fix ffserver

  1794.   segfault)

  1795. 

  1796. 

  1797. version 0.4.3:

  1798. 

  1799. - BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq at amsat.org>)

  1800. - fixed raw yuv output

  1801. - added motion rounding support in MPEG-4

  1802. - fixed motion bug rounding in MSMPEG4

  1803. - added B-frame handling in video core

  1804. - added full MPEG-1 decoding support

  1805. - added partial (frame only) MPEG-2 support

  1806. - changed the FOURCC code for H.263 to "U263" to be able to see the

  1807.   +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with

  1808.   this +codec ;) (JuanJo).

  1809. - Halfpel motion estimation after MB type selection (JuanJo)

  1810. - added pgm and .Y.U.V output format

  1811. - suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or

  1812.   output.

  1813. - added pgmpipe I/O format (original patch from Martin Aumueller

  1814.   <lists at reserv.at>, but changed completely since we use a format

  1815.   instead of a protocol)

  1816. 

  1817. 

  1818. version 0.4.2:

  1819. 

  1820. - added H.263/MPEG-4/MSMPEG4 decoding support. MPEG-4 decoding support

  1821.   (for OpenDivX) is almost complete: 8x8 MVs and rounding are

  1822.   missing. MSMPEG4 support is complete.

  1823. - added prototype MPEG-1 decoder. Only I- and P-frames handled yet (it

  1824.   can decode ffmpeg MPEGs :-)).

  1825. - added libavcodec API documentation (see apiexample.c).

  1826. - fixed image polyphase bug (the bottom of some images could be

  1827.   greenish)

  1828. - added support for non clipped motion vectors (decoding only)

  1829.   and image sizes non-multiple of 16

  1830. - added support for AC prediction (decoding only)

  1831. - added file overwrite confirmation (can be disabled with -y)

  1832. - added custom size picture to H.263 using H.263+ (Juanjo)

  1833. 

  1834. 

  1835. version 0.4.1:

  1836. 

  1837. - added MSMPEG4 (aka DivX) compatible encoder. Changed default codec

  1838.   of AVI and ASF to DIV3.

  1839. - added -me option to set motion estimation method

  1840.   (default=log). suppressed redundant -hq option.

  1841. - added options -acodec and -vcodec to force a given codec (useful for

  1842.   AVI for example)

  1843. - fixed -an option

  1844. - improved dct_quantize speed

  1845. - factorized some motion estimation code

  1846. 

  1847. 

  1848. version 0.4.0:

  1849. 

  1850. - removing grab code from ffserver and moved it to ffmpeg. Added

  1851.   multistream support to ffmpeg.

  1852. - added timeshifting support for live feeds (option ?date=xxx in the

  1853.   URL)

  1854. - added high quality image resize code with polyphase filter (need

  1855.   mmx/see optimization). Enable multiple image size support in ffserver.

  1856. - added multi live feed support in ffserver

  1857. - suppressed master feature from ffserver (it should be done with an

  1858.   external program which opens the .ffm url and writes it to another

  1859.   ffserver)

  1860. - added preliminary support for video stream parsing (WAV and AVI half

  1861.   done). Added proper support for audio/video file conversion in

  1862.   ffmpeg.

  1863. - added preliminary support for video file sending from ffserver

  1864. - redesigning I/O subsystem: now using URL based input and output

  1865.   (see avio.h)

  1866. - added WAV format support

  1867. - added "tty user interface" to ffmpeg to stop grabbing gracefully

  1868. - added MMX/SSE optimizations to SAD (Sums of Absolutes Differences)

  1869.   (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo at atmlab.utfsm.cl>)

  1870. - added MMX DCT from mpeg2_movie 1.5 (Juanjo)

  1871. - added new motion estimation algorithms, log and phods (Juanjo)

  1872. - changed directories: libav for format handling, libavcodec for

  1873.   codecs

  1874. 

  1875. 

  1876. version 0.3.4:

  1877. 

  1878. - added stereo in MPEG audio encoder

  1879. 

  1880. 

  1881. version 0.3.3:

  1882. 

  1883. - added 'high quality' mode which use motion vectors. It can be used in

  1884.   real time at low resolution.

  1885. - fixed rounding problems which caused quality problems at high

  1886.   bitrates and large GOP size

  1887. 

  1888. 

  1889. version 0.3.2: small fixes

  1890. 

  1891. - ASF fixes

  1892. - put_seek bug fix

  1893. 

  1894. 

  1895. version 0.3.1: added avi/divx support

  1896. 

  1897. - added AVI support

  1898. - added MPEG-4 codec compatible with OpenDivX. It is based on the H.263 codec

  1899. - added sound for flash format (not tested)

  1900. 

  1901. 

  1902. version 0.3: initial public release