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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. - Cintel RAW decoder

  38. - VDPAU accelerated VP9 10/12bit decoding

  39. - afreqshift and aphaseshift filters

  40. - High Voltage Software ADPCM encoder

  41. - LEGO Racers ALP (.tun & .pcm) muxer

  42. - AV1 VAAPI decoder

  43. 

  44. 

  45. version 4.3:

  46. - v360 filter

  47. - Intel QSV-accelerated MJPEG decoding

  48. - Intel QSV-accelerated VP9 decoding

  49. - Support for TrueHD in mp4

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

  51. - IMM5 video decoder

  52. - ZeroMQ protocol

  53. - support Sipro ACELP.KELVIN decoding

  54. - streamhash muxer

  55. - sierpinski video source

  56. - scroll video filter

  57. - photosensitivity filter

  58. - anlms filter

  59. - arnndn filter

  60. - bilateral filter

  61. - maskedmin and maskedmax filters

  62. - VDPAU VP9 hwaccel

  63. - median filter

  64. - QSV-accelerated VP9 encoding

  65. - AV1 encoding support via librav1e

  66. - AV1 frame merge bitstream filter

  67. - AV1 Annex B demuxer

  68. - axcorrelate filter

  69. - mvdv decoder

  70. - mvha decoder

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

  72. - thistogram filter

  73. - freezeframes filter

  74. - Argonaut Games ADPCM decoder

  75. - Argonaut Games ASF demuxer

  76. - xfade video filter

  77. - xfade_opencl filter

  78. - afirsrc audio filter source

  79. - pad_opencl filter

  80. - Simon & Schuster Interactive ADPCM decoder

  81. - Real War KVAG demuxer

  82. - CDToons video decoder

  83. - siren audio decoder

  84. - Rayman 2 ADPCM decoder

  85. - Rayman 2 APM demuxer

  86. - cas video filter

  87. - High Voltage Software ADPCM decoder

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

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

  90. - Vulkan support

  91. - avgblur_vulkan, overlay_vulkan, scale_vulkan and chromaber_vulkan filters

  92. - ADPCM IMA MTF decoder

  93. - FWSE demuxer

  94. - DERF DPCM decoder

  95. - DERF demuxer

  96. - CRI HCA decoder

  97. - CRI HCA demuxer

  98. - overlay_cuda filter

  99. - switch from AvxSynth to AviSynth+ on Linux

  100. - mv30 decoder

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

  102. - WebP parser

  103. - tmedian filter

  104. - maskedthreshold filter

  105. - Support for muxing pcm and pgs in m2ts

  106. - Cunning Developments ADPCM decoder

  107. - asubboost filter

  108. - Pro Pinball Series Soundbank demuxer

  109. - pcm_rechunk bitstream filter

  110. - scdet filter

  111. - NotchLC decoder

  112. - gradients source video filter

  113. - MediaFoundation encoder wrapper

  114. - untile filter

  115. - Simon & Schuster Interactive ADPCM encoder

  116. - PFM decoder

  117. - dblur video filter

  118. - Real War KVAG muxer

  119. 

  120. 

  121. version 4.2:

  122. - tpad filter

  123. - AV1 decoding support through libdav1d

  124. - dedot filter

  125. - chromashift and rgbashift filters

  126. - freezedetect filter

  127. - truehd_core bitstream filter

  128. - dhav demuxer

  129. - PCM-DVD encoder

  130. - GIF parser

  131. - vividas demuxer

  132. - hymt decoder

  133. - anlmdn filter

  134. - maskfun filter

  135. - hcom demuxer and decoder

  136. - ARBC decoder

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

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

  139. - removed libndi-newtek

  140. - agm decoder

  141. - KUX demuxer

  142. - AV1 frame split bitstream filter

  143. - lscr decoder

  144. - lagfun filter

  145. - asoftclip filter

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

  147. - colorhold filter

  148. - xmedian filter

  149. - asr filter

  150. - showspatial multimedia filter

  151. - VP4 video decoder

  152. - IFV demuxer

  153. - derain filter

  154. - deesser filter

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

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

  157. 

  158. 

  159. version 4.1:

  160. - deblock filter

  161. - tmix filter

  162. - amplify filter

  163. - fftdnoiz filter

  164. - aderivative and aintegral audio filters

  165. - pal75bars and pal100bars video filter sources

  166. - support mbedTLS based TLS

  167. - adeclick filter

  168. - adeclip filter

  169. - libtensorflow backend for DNN based filters like srcnn

  170. - vc1 decoder is now bit-exact

  171. - ATRAC9 decoder

  172. - lensfun wrapper filter

  173. - colorconstancy filter

  174. - AVS2 video decoder via libdavs2

  175. - IMM4 video decoder

  176. - Brooktree ProSumer video decoder

  177. - MatchWare Screen Capture Codec decoder

  178. - WinCam Motion Video decoder

  179. - 1D LUT filter (lut1d)

  180. - RemotelyAnywhere Screen Capture decoder

  181. - cue and acue filters

  182. - support for AV1 in MP4

  183. - transpose_npp filter

  184. - AVS2 video encoder via libxavs2

  185. - amultiply filter

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

  187. - acrossover filter

  188. - ilbc decoder

  189. - audio denoiser as afftdn filter

  190. - AV1 parser

  191. - SER demuxer

  192. - sinc audio filter source

  193. - chromahold filter

  194. - setparams filter

  195. - vibrance filter

  196. - decoding S12M timecode in h264

  197. - xstack filter

  198. - pcm vidc decoder and encoder

  199. - (a)graphmonitor filter

  200. - yadif_cuda filter

  201. 

  202. 

  203. version 4.0:

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

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

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

  207. - VDA dropped (use VideoToolbox instead)

  208. - MagicYUV encoder

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

  210. - TiVo ty/ty+ demuxer

  211. - Intel QSV-accelerated MJPEG encoding

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

  213. - native aptX and aptX HD encoder and decoder

  214. - Raw aptX and aptX HD muxer and demuxer

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

  216. - Intel QSV-accelerated overlay filter

  217. - mcompand audio filter

  218. - acontrast audio filter

  219. - OpenCL overlay filter

  220. - video mix filter

  221. - video normalize filter

  222. - audio lv2 wrapper filter

  223. - VAAPI MJPEG and VP8 decoding

  224. - AMD AMF H.264 and HEVC encoders

  225. - video fillborders filter

  226. - video setrange filter

  227. - nsp demuxer

  228. - support LibreSSL (via libtls)

  229. - AVX-512/ZMM support added

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

  231.   version is Windows Vista.

  232. - deconvolve video filter

  233. - entropy video filter

  234. - hilbert audio filter source

  235. - aiir audio filter

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

  237. - Removed the ffserver program

  238. - Removed the ffmenc and ffmdec muxer and demuxer

  239. - VideoToolbox HEVC encoder and hwaccel

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

  241. - Add android_camera indev

  242. - codec2 en/decoding via libcodec2

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

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

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

  246. - native SBC encoder and decoder

  247. - drmeter audio filter

  248. - hapqa_extract bitstream filter

  249. - filter_units bitstream filter

  250. - AV1 Support through libaom

  251. - E-AC-3 dependent frames support

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

  253. - Haivision SRT protocol via libsrt

  254. - segafilm muxer

  255. - vfrdet filter

  256. - SRCNN filter

  257. 

  258. 

  259. version 3.4:

  260. - deflicker video filter

  261. - doubleweave video filter

  262. - lumakey video filter

  263. - pixscope video filter

  264. - oscilloscope video filter

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

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

  267. - afir audio filter

  268. - scale_cuda CUDA based video scale filter

  269. - librsvg support for svg rasterization

  270. - crossfeed audio filter

  271. - spec compliant VP9 muxing support in MP4

  272. - remove the libnut muxer/demuxer wrappers

  273. - remove the libschroedinger encoder/decoder wrappers

  274. - surround audio filter

  275. - sofalizer filter switched to libmysofa

  276. - Gremlin Digital Video demuxer and decoder

  277. - headphone audio filter

  278. - superequalizer audio filter

  279. - roberts video filter

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

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

  282. - additional frame format support for Interplay MVE movies

  283. - support for decoding through D3D11VA in ffmpeg

  284. - limiter video filter

  285. - libvmaf video filter

  286. - Dolby E decoder and SMPTE 337M demuxer

  287. - unpremultiply video filter

  288. - tlut2 video filter

  289. - floodfill video filter

  290. - pseudocolor video filter

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

  292. - NewTek NDI input/output device

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

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

  295.   They must always be used by name.

  296. - FITS demuxer and decoder

  297. - FITS muxer and encoder

  298. - add --disable-autodetect build switch

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

  300. - despill video filter

  301. - haas audio filter

  302. - SUP/PGS subtitle muxer

  303. - convolve video filter

  304. - VP9 tile threading support

  305. - KMS screen grabber

  306. - CUDA thumbnail filter

  307. - V4L2 mem2mem HW assisted codecs

  308. - Rockchip MPP hardware decoding

  309. - vmafmotion video filter

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

  311. 

  312. 

  313. version 3.3:

  314. - CrystalHD decoder moved to new decode API

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

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

  317. - premultiply video filter

  318. - Support for spherical videos

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

  320. - PSD Decoder

  321. - 16.8 floating point pcm decoder

  322. - 24.0 floating point pcm decoder

  323. - Apple Pixlet decoder

  324. - QDMC audio decoder

  325. - NewTek SpeedHQ decoder

  326. - MIDI Sample Dump Standard demuxer

  327. - readeia608 filter

  328. - Sample Dump eXchange demuxer

  329. - abitscope multimedia filter

  330. - Scenarist Closed Captions demuxer and muxer

  331. - threshold filter

  332. - midequalizer filter

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

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

  335. - FM Screen Capture Codec decoder

  336. - native Opus encoder

  337. - ScreenPressor decoder

  338. - incomplete ClearVideo decoder

  339. - Intel QSV video scaling and deinterlacing filters

  340. - Support MOV with multiple sample description tables

  341. - XPM decoder

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

  343. - MPEG-7 Video Signature filter

  344. - Removed asyncts filter (use af_aresample instead)

  345. - Intel QSV-accelerated VP8 video decoding

  346. - VAAPI-accelerated deinterlacing

  347. 

  348. 

  349. version 3.2:

  350. - libopenmpt demuxer

  351. - tee protocol

  352. - Changed metadata print option to accept general urls

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

  354. - VP8 in Ogg muxing

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

  356. - 16-bit support in curves filter and selectivecolor filter

  357. - OpenH264 decoder wrapper

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

  359. - True Audio (TTA) muxer

  360. - crystalizer audio filter

  361. - acrusher audio filter

  362. - bitplanenoise video filter

  363. - floating point support in als decoder

  364. - fifo muxer

  365. - maskedclamp filter

  366. - hysteresis filter

  367. - lut2 filter

  368. - yuvtestsrc filter

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

  370. - vaguedenoiser filter

  371. - added threads option per filter instance

  372. - weave filter

  373. - gblur filter

  374. - avgblur filter

  375. - sobel and prewitt filter

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

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

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

  379. - sdl2 output device and ffplay support

  380. - sdl1 output device and sdl1 support removed

  381. - extended mov edit list support

  382. - libfaac encoder removed

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

  384. - sidedata video and asidedata audio filter

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

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

  387. 

  388. 

  389. version 3.1:

  390. - DXVA2-accelerated HEVC Main10 decoding

  391. - fieldhint filter

  392. - loop video filter and aloop audio filter

  393. - Bob Weaver deinterlacing filter

  394. - firequalizer filter

  395. - datascope filter

  396. - bench and abench filters

  397. - ciescope filter

  398. - protocol blacklisting API

  399. - MediaCodec H264 decoding

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

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

  402. - AudioToolbox audio decoders

  403. - AudioToolbox audio encoders

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

  405. - libdcadec removed

  406. - bitstream filter for extracting DTS core

  407. - ADPCM IMA DAT4 decoder

  408. - musx demuxer

  409. - aix demuxer

  410. - remap filter

  411. - hash and framehash muxers

  412. - colorspace filter

  413. - hdcd filter

  414. - readvitc filter

  415. - VAAPI-accelerated format conversion and scaling

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

  417. - Duck TrueMotion 2.0 Real Time decoder

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

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

  420. - DTS Express (LBR) decoder

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

  422. - IFF ANIM demuxer & decoder

  423. - Direct Stream Transfer (DST) decoder

  424. - loudnorm filter

  425. - MTAF demuxer and decoder

  426. - MagicYUV decoder

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

  428. - BitJazz SheerVideo decoder

  429. - CUDA CUVID H264/HEVC decoder

  430. - 10-bit depth support in native utvideo decoder

  431. - libutvideo wrapper removed

  432. - YUY2 Lossless Codec decoder

  433. - VideoToolbox H.264 encoder

  434. 

  435. 

  436. version 3.0:

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

  438. - DXV decoding

  439. - extrastereo filter

  440. - ocr filter

  441. - alimiter filter

  442. - stereowiden filter

  443. - stereotools filter

  444. - rubberband filter

  445. - tremolo filter

  446. - agate filter

  447. - chromakey filter

  448. - maskedmerge filter

  449. - Screenpresso SPV1 decoding

  450. - chromaprint fingerprinting muxer

  451. - ffplay dynamic volume control

  452. - displace filter

  453. - selectivecolor filter

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

  455. - ADPCM PSX decoder

  456. - 3dostr, dcstr, fsb, genh, vag, xvag, ads, msf, svag & vpk demuxer

  457. - zscale filter

  458. - wve demuxer

  459. - zero-copy Intel QSV transcoding in ffmpeg

  460. - shuffleframes filter

  461. - SDX2 DPCM decoder

  462. - vibrato filter

  463. - innoHeim/Rsupport Screen Capture Codec decoder

  464. - ADPCM AICA decoder

  465. - Interplay ACM demuxer and audio decoder

  466. - XMA1 & XMA2 decoder

  467. - realtime filter

  468. - anoisesrc audio filter source

  469. - IVR demuxer

  470. - compensationdelay filter

  471. - acompressor filter

  472. - support encoding 16-bit RLE SGI images

  473. - apulsator filter

  474. - sidechaingate audio filter

  475. - mipsdspr1 option has been renamed to mipsdsp

  476. - aemphasis filter

  477. - mips32r5 option has been removed

  478. - mips64r6 option has been removed

  479. - DXVA2-accelerated VP9 decoding

  480. - SOFAlizer: virtual binaural acoustics filter

  481. - VAAPI VP9 hwaccel

  482. - audio high-order multiband parametric equalizer

  483. - automatic bitstream filtering

  484. - showspectrumpic filter

  485. - libstagefright support removed

  486. - spectrumsynth filter

  487. - ahistogram filter

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

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

  490. - afftfilt filter

  491. - convolution filter

  492. - libquvi support removed

  493. - support for dvaudio in wav and avi

  494. - libaacplus and libvo-aacenc support removed

  495. - Cineform HD decoder

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

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

  498. - nnedi deinterlacer

  499. - streamselect video and astreamselect audio filter

  500. - swaprect filter

  501. - metadata video and ametadata audio filter

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

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

  504. 

  505. 

  506. version 2.8:

  507. - colorkey video filter

  508. - BFSTM/BCSTM demuxer

  509. - little-endian ADPCM_THP decoder

  510. - Hap decoder and encoder

  511. - DirectDraw Surface image/texture decoder

  512. - ssim filter

  513. - optional new ASF demuxer

  514. - showvolume filter

  515. - Many improvements to the JPEG 2000 decoder

  516. - Go2Meeting decoding support

  517. - adrawgraph audio and drawgraph video filter

  518. - removegrain video filter

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

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

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

  522. - libkvazaar HEVC encoder

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

  524. - Dynamic Audio Normalizer as dynaudnorm filter

  525. - Reverse video and areverse audio filter

  526. - Random filter

  527. - deband filter

  528. - AAC fixed-point decoding

  529. - sidechaincompress audio filter

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

  531. - acrossfade audio filter

  532. - allyuv and allrgb video sources

  533. - atadenoise video filter

  534. - OS X VideoToolbox support

  535. - aphasemeter filter

  536. - showfreqs filter

  537. - vectorscope filter

  538. - waveform filter

  539. - hstack and vstack filter

  540. - Support DNx100 (1440x1080@8)

  541. - VAAPI hevc hwaccel

  542. - VDPAU hevc hwaccel

  543. - framerate filter

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

  545. - Removed experimental flag from the JPEG 2000 encoder

  546. 

  547. 

  548. version 2.7:

  549. - FFT video filter

  550. - TDSC decoder

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

  552. - showwavespic filter

  553. - DTS decoding through libdcadec

  554. - Drop support for nvenc API before 5.0

  555. - nvenc HEVC encoder

  556. - Detelecine filter

  557. - Intel QSV-accelerated H.264 encoding

  558. - MMAL-accelerated H.264 decoding

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

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

  561. - WebM Live Chunk Muxer

  562. - nvenc level and tier options

  563. - chorus filter

  564. - Canopus HQ/HQA decoder

  565. - Automatically rotate videos based on metadata in ffmpeg

  566. - improved Quickdraw compatibility

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

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

  569. - Direct3D11-accelerated decoding

  570. - Support Secure Transport

  571. - Multipart JPEG demuxer

  572. 

  573. 

  574. version 2.6:

  575. - nvenc encoder

  576. - 10bit spp filter

  577. - colorlevels filter

  578. - RIFX format for *.wav files

  579. - RTP/mpegts muxer

  580. - non continuous cache protocol support

  581. - tblend filter

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

  583. - Camellia symmetric block cipher

  584. - OpenH264 encoder wrapper

  585. - VOC seeking support

  586. - Closed caption Decoder

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

  588. - showpalette filter

  589. - Twofish symmetric block cipher

  590. - Support DNx100 (960x720@8)

  591. - eq2 filter ported from libmpcodecs as eq filter

  592. - removed libmpcodecs

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

  594. - ported softpulldown filter from libmpcodecs as repeatfields filter

  595. - dcshift filter

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

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

  598. - palettegen and paletteuse filters

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

  600. - RTP depacketizer for DV (RFC 6469)

  601. - DXVA2-accelerated HEVC decoding

  602. - AAC ELD 480 decoding

  603. - Intel QSV-accelerated H.264 decoding

  604. - DSS SP decoder and DSS demuxer

  605. - Fix stsd atom corruption in DNxHD QuickTimes

  606. - Canopus HQX decoder

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

  608. - Port MIPS optimizations to 64-bit

  609. 

  610. 

  611. version 2.5:

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

  613. - SUP/PGS subtitle demuxer

  614. - ffprobe -show_pixel_formats option

  615. - CAST128 symmetric block cipher, ECB mode

  616. - STL subtitle demuxer and decoder

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

  618. - XCB-based screen-grabber

  619. - UDP-Lite support (RFC 3828)

  620. - xBR scaling filter

  621. - AVFoundation screen capturing support

  622. - ffserver supports codec private options

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

  624. - WebP muxer with animated WebP support

  625. - zygoaudio decoding support

  626. - APNG demuxer

  627. - postproc visualization support

  628. 

  629. 

  630. version 2.4:

  631. - Icecast protocol

  632. - ported lenscorrection filter from frei0r filter

  633. - large optimizations in dctdnoiz to make it usable

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

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

  636. - LZMA compression support in TIFF decoder

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

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

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

  640. - Matroska 3D support thorugh side data

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

  642. - silenceremove filter

  643. 

  644. 

  645. version 2.3:

  646. - AC3 fixed-point decoding

  647. - shuffleplanes filter

  648. - subfile protocol

  649. - Phantom Cine demuxer

  650. - replaygain data export

  651. - VP7 video decoder

  652. - Alias PIX image encoder and decoder

  653. - Improvements to the BRender PIX image decoder

  654. - Improvements to the XBM decoder

  655. - QTKit input device

  656. - improvements to OpenEXR image decoder

  657. - support decoding 16-bit RLE SGI images

  658. - GDI screen grabbing for Windows

  659. - alternative rendition support for HTTP Live Streaming

  660. - AVFoundation input device

  661. - Direct Stream Digital (DSD) decoder

  662. - Magic Lantern Video (MLV) demuxer

  663. - On2 AVC (Audio for Video) decoder

  664. - support for decoding through DXVA2 in ffmpeg

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

  666. - libx264 reference frames count limiting depending on level

  667. - native Opus decoder

  668. - display matrix export and rotation API

  669. - WebVTT encoder

  670. - showcqt multimedia filter

  671. - zoompan filter

  672. - signalstats filter

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

  674. - flanger filter

  675. - Image format auto-detection

  676. - LRC demuxer and muxer

  677. - Samba protocol (via libsmbclient)

  678. - WebM DASH Manifest muxer

  679. - libfribidi support in drawtext

  680. 

  681. 

  682. version 2.2:

  683. 

  684. - HNM version 4 demuxer and video decoder

  685. - Live HDS muxer

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

  687. - elbg filter

  688. - string validation in ffprobe

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

  690. - complete Voxware MetaSound decoder

  691. - remove mp3_header_compress bitstream filter

  692. - Windows resource files for shared libraries

  693. - aeval filter

  694. - stereoscopic 3d metadata handling

  695. - WebP encoding via libwebp

  696. - ATRAC3+ decoder

  697. - VP8 in Ogg demuxing

  698. - side & metadata support in NUT

  699. - framepack filter

  700. - XYZ12 rawvideo support in NUT

  701. - Exif metadata support in WebP decoder

  702. - OpenGL device

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

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

  705. - Mirillis FIC video decoder

  706. - Support DNx444

  707. - libx265 encoder

  708. - dejudder filter

  709. - Autodetect VDA like all other hardware accelerations

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

  711. 

  712. 

  713. version 2.1:

  714. 

  715. - aecho filter

  716. - perspective filter ported from libmpcodecs

  717. - ffprobe -show_programs option

  718. - compand filter

  719. - RTMP seek support

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

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

  722.   the -noaccurate_seek option.

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

  724.   data read from an input file

  725. - incomplete Voxware MetaSound decoder

  726. - read EXIF metadata from JPEG

  727. - DVB teletext decoder

  728. - phase filter ported from libmpcodecs

  729. - w3fdif filter

  730. - Opus support in Matroska

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

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

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

  734.   more consistent with other muxers.

  735. - adelay filter

  736. - pullup filter ported from libmpcodecs

  737. - ffprobe -read_intervals option

  738. - Lossless and alpha support for WebP decoder

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

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

  741. - mux chapters in ASF files

  742. - SFTP protocol (via libssh)

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

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

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

  746.   the skip_alpha flag.

  747. - ladspa wrapper filter

  748. - native VP9 decoder

  749. - dpx parser

  750. - max_error_rate parameter in ffmpeg

  751. - PulseAudio output device

  752. - ReplayGain scanner

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

  754. - Linux framebuffer output device

  755. - HEVC decoder

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

  757. - mergeplanes filter

  758. 

  759. 

  760. version 2.0:

  761. 

  762. - curves filter

  763. - reference-counting for AVFrame and AVPacket data

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

  765.   or vice versa

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

  767. - perms and aperms filters

  768. - audio filtering support in ffplay

  769. - 10% faster aac encoding on x86 and MIPS

  770. - sine audio filter source

  771. - WebP demuxing and decoding support

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

  773.   filtergraph description to be read from a file

  774. - OpenCL support

  775. - audio phaser filter

  776. - separatefields filter

  777. - libquvi demuxer

  778. - uniform options syntax across all filters

  779. - telecine filter

  780. - interlace filter

  781. - smptehdbars source

  782. - inverse telecine filters (fieldmatch and decimate)

  783. - colorbalance filter

  784. - colorchannelmixer filter

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

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

  787. - decent native animated GIF encoding

  788. - asetrate filter

  789. - interleave filter

  790. - timeline editing with filters

  791. - vidstabdetect and vidstabtransform filters for video stabilization using

  792.   the vid.stab library

  793. - astats filter

  794. - trim and atrim filters

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

  796.   transcoding audio

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

  798. - extractplanes filter

  799. - avectorscope filter

  800. - ADPCM DTK decoder

  801. - ADP demuxer

  802. - RSD demuxer

  803. - RedSpark demuxer

  804. - ADPCM IMA Radical decoder

  805. - zmq filters

  806. - DCT denoiser filter (dctdnoiz)

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

  808. - Apple Intermediate Codec decoder

  809. - Escape 130 video decoder

  810. - FTP protocol support

  811. - V4L2 output device

  812. - 3D LUT filter (lut3d)

  813. - SMPTE 302M audio encoder

  814. - support for slice multithreading in libavfilter

  815. - Hald CLUT support (generation and filtering)

  816. - VC-1 interlaced B-frame support

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

  818. - XVideo output device

  819. - vignette filter

  820. - True Audio (TTA) encoder

  821. - Go2Webinar decoder

  822. - mcdeint filter ported from libmpcodecs

  823. - sab filter ported from libmpcodecs

  824. - ffprobe -show_chapters option

  825. - WavPack encoding through libwavpack

  826. - rotate filter

  827. - spp filter ported from libmpcodecs

  828. - libgme support

  829. - psnr filter

  830. 

  831. 

  832. version 1.2:

  833. 

  834. - VDPAU hardware acceleration through normal hwaccel

  835. - SRTP support

  836. - Error diffusion dither in Swscale

  837. - Chained Ogg support

  838. - Theora Midstream reconfiguration support

  839. - EVRC decoder

  840. - audio fade filter

  841. - filtering audio with unknown channel layout

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

  843.   and treble audio filter

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

  845. - histogram filter

  846. - tee muxer

  847. - il filter ported from libmpcodecs

  848. - support ID3v2 tags in ASF files

  849. - encrypted TTA stream decoding support

  850. - RF64 support in WAV muxer

  851. - noise filter ported from libmpcodecs

  852. - Subtitles character encoding conversion

  853. - blend filter

  854. - stereo3d filter ported from libmpcodecs

  855. 

  856. 

  857. version 1.1:

  858. 

  859. - stream disposition information printing in ffprobe

  860. - filter for loudness analysis following EBU R128

  861. - Opus encoder using libopus

  862. - ffprobe -select_streams option

  863. - Pinnacle TARGA CineWave YUV16 decoder

  864. - TAK demuxer, decoder and parser

  865. - DTS-HD demuxer

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

  867. - FFM2 support

  868. - X-Face image encoder and decoder

  869. - 24-bit FLAC encoding

  870. - multi-channel ALAC encoding up to 7.1

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

  872. - subtitles raw text decoder

  873. - support for building DLLs using MSVC

  874. - LVF demuxer

  875. - ffescape tool

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

  877. - field filter ported from libmpcodecs

  878. - AVR demuxer

  879. - geq filter ported from libmpcodecs

  880. - remove ffserver daemon mode

  881. - AST muxer/demuxer

  882. - new expansion syntax for drawtext

  883. - BRender PIX image decoder

  884. - ffprobe -show_entries option

  885. - ffprobe -sections option

  886. - ADPCM IMA Dialogic decoder

  887. - BRSTM demuxer

  888. - animated GIF decoder and demuxer

  889. - PVF demuxer

  890. - subtitles filter

  891. - IRCAM muxer/demuxer

  892. - Paris Audio File demuxer

  893. - Virtual concatenation demuxer

  894. - VobSub demuxer

  895. - JSON captions for TED talks decoding support

  896. - SOX Resampler support in libswresample

  897. - aselect filter

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

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

  900. - Silicon Graphics Movie demuxer

  901. - apad filter

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

  903. - documentation split into per-component manuals

  904. - pp (postproc) filter ported from MPlayer

  905. - NIST Sphere demuxer

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

  907. - Sony Wave64 muxer

  908. - adobe and limelight publisher authentication in RTMP

  909. - data: URI scheme

  910. - support building on the Plan 9 operating system

  911. - kerndeint filter ported from MPlayer

  912. - histeq filter ported from VirtualDub

  913. - Megalux Frame demuxer

  914. - 012v decoder

  915. - Improved AVC Intra decoding support

  916. 

  917. 

  918. version 1.0:

  919. 

  920. - INI and flat output in ffprobe

  921. - Scene detection in libavfilter

  922. - Indeo Audio decoder

  923. - channelsplit audio filter

  924. - setnsamples audio filter

  925. - atempo filter

  926. - ffprobe -show_data option

  927. - RTMPT protocol support

  928. - iLBC encoding/decoding via libilbc

  929. - Microsoft Screen 1 decoder

  930. - join audio filter

  931. - audio channel mapping filter

  932. - Microsoft ATC Screen decoder

  933. - RTSP listen mode

  934. - TechSmith Screen Codec 2 decoder

  935. - AAC encoding via libfdk-aac

  936. - Microsoft Expression Encoder Screen decoder

  937. - RTMPS protocol support

  938. - RTMPTS protocol support

  939. - RTMPE protocol support

  940. - RTMPTE protocol support

  941. - showwaves and showspectrum filter

  942. - LucasArts SMUSH SANM playback support

  943. - LucasArts SMUSH VIMA audio decoder (ADPCM)

  944. - LucasArts SMUSH demuxer

  945. - SAMI, RealText and SubViewer demuxers and decoders

  946. - Heart Of Darkness PAF playback support

  947. - iec61883 device

  948. - asettb filter

  949. - new option: -progress

  950. - 3GPP Timed Text encoder/decoder

  951. - GeoTIFF decoder support

  952. - ffmpeg -(no)stdin option

  953. - Opus decoder using libopus

  954. - caca output device using libcaca

  955. - alphaextract and alphamerge filters

  956. - concat filter

  957. - flite filter

  958. - Canopus Lossless Codec decoder

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

  960. - MP2 encoding via TwoLAME

  961. - bmp parser

  962. - smptebars source

  963. - asetpts filter

  964. - hue filter

  965. - ICO muxer

  966. - SubRip encoder and decoder without embedded timing

  967. - edge detection filter

  968. - framestep filter

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

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

  971. - volume measurement filter

  972. - Ut Video encoder

  973. - Microsoft Screen 2 decoder

  974. - smartblur filter ported from MPlayer

  975. - CPiA decoder

  976. - decimate filter ported from MPlayer

  977. - RTP depacketization of JPEG

  978. - Smooth Streaming live segmenter muxer

  979. - F4V muxer

  980. - sendcmd and asendcmd filters

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

  982. - RTP packetization of JPEG

  983. - faststart option in the MOV/MP4 muxer

  984. - support for building with MSVC

  985. 

  986. 

  987. version 0.11:

  988. 

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

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

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

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

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

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

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

  996. - setfield filter

  997. - CDXL demuxer and decoder

  998. - Apple ProRes encoder

  999. - ffprobe -count_packets and -count_frames options

  1000. - Sun Rasterfile Encoder

  1001. - ID3v2 attached pictures reading and writing

  1002. - WMA Lossless decoder

  1003. - bluray protocol

  1004. - blackdetect filter

  1005. - libutvideo encoder wrapper (--enable-libutvideo)

  1006. - swapuv filter

  1007. - bbox filter

  1008. - XBM encoder and decoder

  1009. - RealAudio Lossless decoder

  1010. - ZeroCodec decoder

  1011. - tile video filter

  1012. - Metal Gear Solid: The Twin Snakes demuxer

  1013. - OpenEXR image decoder

  1014. - removelogo filter

  1015. - drop support for ffmpeg without libavfilter

  1016. - drawtext video filter: fontconfig support

  1017. - ffmpeg -benchmark_all option

  1018. - super2xsai filter ported from libmpcodecs

  1019. - add libavresample audio conversion library for compatibility

  1020. - MicroDVD decoder

  1021. - Avid Meridien (AVUI) encoder and decoder

  1022. - accept + prefix to -pix_fmt option to disable automatic conversions.

  1023. - complete audio filtering in libavfilter and ffmpeg

  1024. - add fps filter

  1025. - vorbis parser

  1026. - png parser

  1027. - audio mix filter

  1028. - ffv1: support (draft) version 1.3

  1029. 

  1030. 

  1031. version 0.10:

  1032. 

  1033. - Fixes: CVE-2011-3929, CVE-2011-3934, CVE-2011-3935, CVE-2011-3936,

  1034.          CVE-2011-3937, CVE-2011-3940, CVE-2011-3941, CVE-2011-3944,

  1035.          CVE-2011-3945, CVE-2011-3946, CVE-2011-3947, CVE-2011-3949,

  1036.          CVE-2011-3950, CVE-2011-3951, CVE-2011-3952

  1037. - v410 Quicktime Uncompressed 4:4:4 10-bit encoder and decoder

  1038. - SBaGen (SBG) binaural beats script demuxer

  1039. - OpenMG Audio muxer

  1040. - Timecode extraction in DV and MOV

  1041. - thumbnail video filter

  1042. - XML output in ffprobe

  1043. - asplit audio filter

  1044. - tinterlace video filter

  1045. - astreamsync audio filter

  1046. - amerge audio filter

  1047. - ISMV (Smooth Streaming) muxer

  1048. - GSM audio parser

  1049. - SMJPEG muxer

  1050. - XWD encoder and decoder

  1051. - Automatic thread count based on detection number of (available) CPU cores

  1052. - y41p Brooktree Uncompressed 4:1:1 12-bit encoder and decoder

  1053. - ffprobe -show_error option

  1054. - Avid 1:1 10-bit RGB Packer codec

  1055. - v308 Quicktime Uncompressed 4:4:4 encoder and decoder

  1056. - yuv4 libquicktime packed 4:2:0 encoder and decoder

  1057. - ffprobe -show_frames option

  1058. - silencedetect audio filter

  1059. - ffprobe -show_program_version, -show_library_versions, -show_versions options

  1060. - rv34: frame-level multi-threading

  1061. - optimized iMDCT transform on x86 using SSE for for mpegaudiodec

  1062. - Improved PGS subtitle decoder

  1063. - dumpgraph option to lavfi device

  1064. - r210 and r10k encoders

  1065. - ffwavesynth decoder

  1066. - aviocat tool

  1067. - ffeval tool

  1068. - support encoding and decoding 4-channel SGI images

  1069. 

  1070. 

  1071. version 0.9:

  1072. 

  1073. - openal input device added

  1074. - boxblur filter added

  1075. - BWF muxer

  1076. - Flash Screen Video 2 decoder

  1077. - lavfi input device added

  1078. - added avconv, which is almost the same for now, except

  1079. for a few incompatible changes in the options, which will hopefully make them

  1080. easier to use. The changes are:

  1081.     * The options placement is now strictly enforced! While in theory the

  1082.       options for ffmpeg should be given in [input options] -i INPUT [output

  1083.       options] OUTPUT order, in practice it was possible to give output options

  1084.       before the -i and it mostly worked. Except when it didn't - the behavior was

  1085.       a bit inconsistent. In avconv, it is not possible to mix input and output

  1086.       options. All non-global options are reset after an input or output filename.

  1087.     * All per-file options are now truly per-file - they apply only to the next

  1088.       input or output file and specifying different values for different files

  1089.       will now work properly (notably -ss and -t options).

  1090.     * All per-stream options are now truly per-stream - it is possible to

  1091.       specify which stream(s) should a given option apply to. See the Stream

  1092.       specifiers section in the avconv manual for details.

  1093.     * In ffmpeg some options (like -newvideo/-newaudio/...) are irregular in the

  1094.       sense that they're specified after the output filename instead of before,

  1095.       like all other options. In avconv this irregularity is removed, all options

  1096.       apply to the next input or output file.

  1097.     * -newvideo/-newaudio/-newsubtitle options were removed. Not only were they

  1098.       irregular and highly confusing, they were also redundant. In avconv the -map

  1099.       option will create new streams in the output file and map input streams to

  1100.       them. E.g. avconv -i INPUT -map 0 OUTPUT will create an output stream for

  1101.       each stream in the first input file.

  1102.     * The -map option now has slightly different and more powerful syntax:

  1103.         + Colons (':') are used to separate file index/stream type/stream index

  1104.           instead of dots. Comma (',') is used to separate the sync stream instead

  1105.           of colon.. This is done for consistency with other options.

  1106.         + It's possible to specify stream type. E.g. -map 0:a:2 creates an

  1107.           output stream from the third input audio stream.

  1108.         + Omitting the stream index now maps all the streams of the given type,

  1109.           not just the first. E.g. -map 0:s creates output streams for all the

  1110.           subtitle streams in the first input file.

  1111.         + Since -map can now match multiple streams, negative mappings were

  1112.           introduced. Negative mappings disable some streams from an already

  1113.           defined map. E.g. '-map 0 -map -0:a:1' means 'create output streams for

  1114.           all the stream in the first input file, except for the second audio

  1115.           stream'.

  1116.     * There is a new option -c (or -codec) for choosing the decoder/encoder to

  1117.       use, which makes it possible to precisely specify target stream(s) consistently with

  1118.       other options. E.g. -c:v lib264 sets the codec for all video streams, -c:a:0

  1119.       libvorbis sets the codec for the first audio stream and -c copy copies all

  1120.       the streams without reencoding. Old -vcodec/-acodec/-scodec options are now

  1121.       aliases to -c:v/a/s

  1122.     * It is now possible to precisely specify which stream should an AVOption

  1123.       apply to. E.g. -b:v:0 2M sets the bitrate for the first video stream, while

  1124.       -b:a 128k sets the bitrate for all audio streams. Note that the old -ab 128k

  1125.       syntax is deprecated and will stop working soon.

  1126.     * -map_chapters now takes only an input file index and applies to the next

  1127.       output file. This is consistent with how all the other options work.

  1128.     * -map_metadata now takes only an input metadata specifier and applies to

  1129.       the next output file. Output metadata specifier is now part of the option

  1130.       name, similarly to the AVOptions/map/codec feature above.

  1131.     * -metadata can now be used to set metadata on streams and chapters, e.g.

  1132.       -metadata:s:1 language=eng sets the language of the first stream to 'eng'.

  1133.       This made -vlang/-alang/-slang options redundant, so they were removed.

  1134.     * -qscale option now uses stream specifiers and applies to all streams, not

  1135.       just video. I.e. plain -qscale number would now apply to all streams. To get

  1136.       the old behavior, use -qscale:v. Also there is now a shortcut -q for -qscale

  1137.       and -aq is now an alias for -q:a.

  1138.     * -vbsf/-absf/-sbsf options were removed and replaced by a -bsf option which

  1139.       uses stream specifiers. Use -bsf:v/a/s instead of the old options.

  1140.     * -itsscale option now uses stream specifiers, so its argument is only the

  1141.       scale parameter.

  1142.     * -intra option was removed, use -g 0 for the same effect.

  1143.     * -psnr option was removed, use -flags +psnr for the same effect.

  1144.     * -vf option is now an alias to the new -filter option, which uses stream specifiers.

  1145.     * -vframes/-aframes/-dframes options are now aliases to the new -frames option.

  1146.     * -vtag/-atag/-stag options are now aliases to the new -tag option.

  1147. - XMV demuxer

  1148. - LOAS demuxer

  1149. - ashowinfo filter added

  1150. - Windows Media Image decoder

  1151. - amovie source added

  1152. - LATM muxer/demuxer

  1153. - Speex encoder via libspeex

  1154. - JSON output in ffprobe

  1155. - WTV muxer

  1156. - Optional C++ Support (needed for libstagefright)

  1157. - H.264 Decoding on Android via Stagefright

  1158. - Prores decoder

  1159. - BIN/XBIN/ADF/IDF text file decoder

  1160. - aconvert audio filter added

  1161. - audio support to lavfi input device added

  1162. - libcdio-paranoia input device for audio CD grabbing

  1163. - Apple ProRes decoder

  1164. - CELT in Ogg demuxing

  1165. - G.723.1 demuxer and decoder

  1166. - libmodplug support (--enable-libmodplug)

  1167. - VC-1 interlaced decoding

  1168. - libutvideo wrapper (--enable-libutvideo)

  1169. - aevalsrc audio source added

  1170. - Ut Video decoder

  1171. - Speex encoding via libspeex

  1172. - 4:2:2 H.264 decoding support

  1173. - 4:2:2 and 4:4:4 H.264 encoding with libx264

  1174. - Pulseaudio input device

  1175. - Prores encoder

  1176. - Video Decoder Acceleration (VDA) HWAccel module.

  1177. - replacement Indeo 3 decoder

  1178. - new ffmpeg option: -map_channel

  1179. - volume audio filter added

  1180. - earwax audio filter added

  1181. - libv4l2 support (--enable-libv4l2)

  1182. - TLS/SSL and HTTPS protocol support

  1183. - AVOptions API rewritten and documented

  1184. - most of CODEC_FLAG2_*, some CODEC_FLAG_* and many codec-specific fields in

  1185.   AVCodecContext deprecated. Codec private options should be used instead.

  1186. - Properly working defaults in libx264 wrapper, support for native presets.

  1187. - Encrypted OMA files support

  1188. - Discworld II BMV decoding support

  1189. - VBLE Decoder

  1190. - OS X Video Decoder Acceleration (VDA) support

  1191. - compact and csv output in ffprobe

  1192. - pan audio filter

  1193. - IFF Amiga Continuous Bitmap (ACBM) decoder

  1194. - ass filter

  1195. - CRI ADX audio format muxer and demuxer

  1196. - Playstation Portable PMP format demuxer

  1197. - Microsoft Windows ICO demuxer

  1198. - life source

  1199. - PCM format support in OMA demuxer

  1200. - CLJR encoder

  1201. - new option: -report

  1202. - Dxtory capture format decoder

  1203. - cellauto source

  1204. - Simple segmenting muxer

  1205. - Indeo 4 decoder

  1206. - SMJPEG demuxer

  1207. 

  1208. 

  1209. version 0.8:

  1210. 

  1211. - many many things we forgot because we rather write code than changelogs

  1212. - WebM support in Matroska de/muxer

  1213. - low overhead Ogg muxing

  1214. - MMS-TCP support

  1215. - VP8 de/encoding via libvpx

  1216. - Demuxer for On2's IVF format

  1217. - Pictor/PC Paint decoder

  1218. - HE-AAC v2 decoder

  1219. - HE-AAC v2 encoding with libaacplus

  1220. - libfaad2 wrapper removed

  1221. - DTS-ES extension (XCh) decoding support

  1222. - native VP8 decoder

  1223. - RTSP tunneling over HTTP

  1224. - RTP depacketization of SVQ3

  1225. - -strict inofficial replaced by -strict unofficial

  1226. - ffplay -exitonkeydown and -exitonmousedown options added

  1227. - native GSM / GSM MS decoder

  1228. - RTP depacketization of QDM2

  1229. - ANSI/ASCII art playback system

  1230. - Lego Mindstorms RSO de/muxer

  1231. - libavcore added (and subsequently removed)

  1232. - SubRip subtitle file muxer and demuxer

  1233. - Chinese AVS encoding via libxavs

  1234. - ffprobe -show_packets option added

  1235. - RTP packetization of Theora and Vorbis

  1236. - RTP depacketization of MP4A-LATM

  1237. - RTP packetization and depacketization of VP8

  1238. - hflip filter

  1239. - Apple HTTP Live Streaming demuxer

  1240. - a64 codec

  1241. - MMS-HTTP support

  1242. - G.722 ADPCM audio encoder/decoder

  1243. - R10k video decoder

  1244. - ocv_smooth filter

  1245. - frei0r wrapper filter

  1246. - change crop filter syntax to width:height:x:y

  1247. - make the crop filter accept parametric expressions

  1248. - make ffprobe accept AVFormatContext options

  1249. - yadif filter

  1250. - blackframe filter

  1251. - Demuxer for Leitch/Harris' VR native stream format (LXF)

  1252. - RTP depacketization of the X-QT QuickTime format

  1253. - SAP (Session Announcement Protocol, RFC 2974) muxer and demuxer

  1254. - cropdetect filter

  1255. - ffmpeg -crop* options removed

  1256. - transpose filter added

  1257. - ffmpeg -force_key_frames option added

  1258. - demuxer for receiving raw rtp:// URLs without an SDP description

  1259. - single stream LATM/LOAS decoder

  1260. - setpts filter added

  1261. - Win64 support for optimized x86 assembly functions

  1262. - MJPEG/AVI1 to JPEG/JFIF bitstream filter

  1263. - ASS subtitle encoder and decoder

  1264. - IEC 61937 encapsulation for E-AC-3, TrueHD, DTS-HD (for HDMI passthrough)

  1265. - overlay filter added

  1266. - rename aspect filter to setdar, and pixelaspect to setsar

  1267. - IEC 61937 demuxer

  1268. - Mobotix .mxg demuxer

  1269. - frei0r source added

  1270. - hqdn3d filter added

  1271. - RTP depacketization of QCELP

  1272. - FLAC parser added

  1273. - gradfun filter added

  1274. - AMR-WB decoder

  1275. - replace the ocv_smooth filter with a more generic ocv filter

  1276. - Windows Televison (WTV) demuxer

  1277. - FFmpeg metadata format muxer and demuxer

  1278. - SubRip (srt) subtitle encoder and decoder

  1279. - floating-point AC-3 encoder added

  1280. - Lagarith decoder

  1281. - ffmpeg -copytb option added

  1282. - IVF muxer added

  1283. - Wing Commander IV movies decoder added

  1284. - movie source added

  1285. - Bink version 'b' audio and video decoder

  1286. - Bitmap Brothers JV playback system

  1287. - Apple HTTP Live Streaming protocol handler

  1288. - sndio support for playback and record

  1289. - Linux framebuffer input device added

  1290. - Chronomaster DFA decoder

  1291. - DPX image encoder

  1292. - MicroDVD subtitle file muxer and demuxer

  1293. - Playstation Portable PMP format demuxer

  1294. - fieldorder video filter added

  1295. - AAC encoding via libvo-aacenc

  1296. - AMR-WB encoding via libvo-amrwbenc

  1297. - xWMA demuxer

  1298. - Mobotix MxPEG decoder

  1299. - VP8 frame-multithreading

  1300. - NEON optimizations for VP8

  1301. - Lots of deprecated API cruft removed

  1302. - fft and imdct optimizations for AVX (Sandy Bridge) processors

  1303. - showinfo filter added

  1304. - SMPTE 302M AES3 audio decoder

  1305. - Apple Core Audio Format muxer

  1306. - 9 bits and 10 bits per sample support in the H.264 decoder

  1307. - 9 bits and 10 bits FFV1 encoding / decoding

  1308. - split filter added

  1309. - select filter added

  1310. - sdl output device added

  1311. - libmpcodecs video filter support (3 times as many filters than before)

  1312. - mpeg2 aspect ratio dection fixed

  1313. - libxvid aspect pickiness fixed

  1314. - Frame multithreaded decoding

  1315. - E-AC-3 audio encoder

  1316. - ac3enc: add channel coupling support

  1317. - floating-point sample format support to the ac3, eac3, dca, aac, and vorbis decoders.

  1318. - H264/MPEG frame-level multi-threading

  1319. - All av_metadata_* functions renamed to av_dict_* and moved to libavutil

  1320. - 4:4:4 H.264 decoding support

  1321. - 10-bit H.264 optimizations for x86

  1322. - lut, lutrgb, and lutyuv filters added

  1323. - buffersink libavfilter sink added

  1324. - Bump libswscale for recently reported ABI break

  1325. - New J2K encoder (via OpenJPEG)

  1326. 

  1327. 

  1328. version 0.7:

  1329. 

  1330. - all the changes for 0.8, but keeping API/ABI compatibility with the 0.6 release

  1331. 

  1332. 

  1333. version 0.6:

  1334. 

  1335. - PB-frame decoding for H.263

  1336. - deprecated vhook subsystem removed

  1337. - deprecated old scaler removed

  1338. - VQF demuxer

  1339. - Alpha channel scaler

  1340. - PCX encoder

  1341. - RTP packetization of H.263

  1342. - RTP packetization of AMR

  1343. - RTP depacketization of Vorbis

  1344. - CorePNG decoding support

  1345. - Cook multichannel decoding support

  1346. - introduced avlanguage helpers in libavformat

  1347. - 8088flex TMV demuxer and decoder

  1348. - per-stream language-tags extraction in asfdec

  1349. - V210 decoder and encoder

  1350. - remaining GPL parts in AC-3 decoder converted to LGPL

  1351. - QCP demuxer

  1352. - SoX native format muxer and demuxer

  1353. - AMR-NB decoding/encoding, AMR-WB decoding via OpenCORE libraries

  1354. - DPX image decoder

  1355. - Electronic Arts Madcow decoder

  1356. - DivX (XSUB) subtitle encoder

  1357. - nonfree libamr support for AMR-NB/WB decoding/encoding removed

  1358. - experimental AAC encoder

  1359. - RTP depacketization of ASF and RTSP from WMS servers

  1360. - RTMP support in libavformat

  1361. - noX handling for OPT_BOOL X options

  1362. - Wave64 demuxer

  1363. - IEC-61937 compatible Muxer

  1364. - TwinVQ decoder

  1365. - Bluray (PGS) subtitle decoder

  1366. - LPCM support in MPEG-TS (HDMV RID as found on Blu-ray disks)

  1367. - WMA Pro decoder

  1368. - Core Audio Format demuxer

  1369. - ATRAC1 decoder

  1370. - MD STUDIO audio demuxer

  1371. - RF64 support in WAV demuxer

  1372. - MPEG-4 Audio Lossless Coding (ALS) decoder

  1373. - -formats option split into -formats, -codecs, -bsfs, and -protocols

  1374. - IV8 demuxer

  1375. - CDG demuxer and decoder

  1376. - R210 decoder

  1377. - Auravision Aura 1 and 2 decoders

  1378. - Deluxe Paint Animation playback system

  1379. - SIPR decoder

  1380. - Adobe Filmstrip muxer and demuxer

  1381. - RTP depacketization of H.263

  1382. - Bink demuxer and audio/video decoders

  1383. - enable symbol versioning by default for linkers that support it

  1384. - IFF PBM/ILBM bitmap decoder

  1385. - concat protocol

  1386. - Indeo 5 decoder

  1387. - RTP depacketization of AMR

  1388. - WMA Voice decoder

  1389. - ffprobe tool

  1390. - AMR-NB decoder

  1391. - RTSP muxer

  1392. - HE-AAC v1 decoder

  1393. - Kega Game Video (KGV1) decoder

  1394. - VorbisComment writing for FLAC, Ogg FLAC and Ogg Speex files

  1395. - RTP depacketization of Theora

  1396. - HTTP Digest authentication

  1397. - RTMP/RTMPT/RTMPS/RTMPE/RTMPTE protocol support via librtmp

  1398. - Psygnosis YOP demuxer and video decoder

  1399. - spectral extension support in the E-AC-3 decoder

  1400. - unsharp video filter

  1401. - RTP hinting in the mov/3gp/mp4 muxer

  1402. - Dirac in Ogg demuxing

  1403. - seek to keyframes in Ogg

  1404. - 4:2:2 and 4:4:4 Theora decoding

  1405. - 35% faster VP3/Theora decoding

  1406. - faster AAC decoding

  1407. - faster H.264 decoding

  1408. - RealAudio 1.0 (14.4K) encoder

  1409. 

  1410. 

  1411. version 0.5:

  1412. 

  1413. - DV50 AKA DVCPRO50 encoder, decoder, muxer and demuxer

  1414. - TechSmith Camtasia (TSCC) video decoder

  1415. - IBM Ultimotion (ULTI) video decoder

  1416. - Sierra Online audio file demuxer and decoder

  1417. - Apple QuickDraw (qdrw) video decoder

  1418. - Creative ADPCM audio decoder (16 bits as well as 8 bits schemes)

  1419. - Electronic Arts Multimedia (WVE/UV2/etc.) file demuxer

  1420. - Miro VideoXL (VIXL) video decoder

  1421. - H.261 video encoder

  1422. - QPEG video decoder

  1423. - Nullsoft Video (NSV) file demuxer

  1424. - Shorten audio decoder

  1425. - LOCO video decoder

  1426. - Apple Lossless Audio Codec (ALAC) decoder

  1427. - Winnov WNV1 video decoder

  1428. - Autodesk Animator Studio Codec (AASC) decoder

  1429. - Indeo 2 video decoder

  1430. - Fraps FPS1 video decoder

  1431. - Snow video encoder/decoder

  1432. - Sonic audio encoder/decoder

  1433. - Vorbis audio decoder

  1434. - Macromedia ADPCM decoder

  1435. - Duck TrueMotion 2 video decoder

  1436. - support for decoding FLX and DTA extensions in FLIC files

  1437. - H.264 custom quantization matrices support

  1438. - ffserver fixed, it should now be usable again

  1439. - QDM2 audio decoder

  1440. - Real Cooker audio decoder

  1441. - TrueSpeech audio decoder

  1442. - WMA2 audio decoder fixed, now all files should play correctly

  1443. - RealAudio 14.4 and 28.8 decoders fixed

  1444. - JPEG-LS decoder

  1445. - build system improvements

  1446. - tabs and trailing whitespace removed from the codebase

  1447. - CamStudio video decoder

  1448. - AIFF/AIFF-C audio format, encoding and decoding

  1449. - ADTS AAC file reading and writing

  1450. - Creative VOC file reading and writing

  1451. - American Laser Games multimedia (*.mm) playback system

  1452. - Zip Motion Blocks Video decoder

  1453. - improved Theora/VP3 decoder

  1454. - True Audio (TTA) decoder

  1455. - AVS demuxer and video decoder

  1456. - JPEG-LS encoder

  1457. - Smacker demuxer and decoder

  1458. - NuppelVideo/MythTV demuxer and RTjpeg decoder

  1459. - KMVC decoder

  1460. - MPEG-2 intra VLC support

  1461. - MPEG-2 4:2:2 encoder

  1462. - Flash Screen Video decoder

  1463. - GXF demuxer

  1464. - Chinese AVS decoder

  1465. - GXF muxer

  1466. - MXF demuxer

  1467. - VC-1/WMV3/WMV9 video decoder

  1468. - MacIntel support

  1469. - AviSynth support

  1470. - VMware video decoder

  1471. - VP5 video decoder

  1472. - VP6 video decoder

  1473. - WavPack lossless audio decoder

  1474. - Targa (.TGA) picture decoder

  1475. - Vorbis audio encoder

  1476. - Delphine Software .cin demuxer/audio and video decoder

  1477. - Tiertex .seq demuxer/video decoder

  1478. - MTV demuxer

  1479. - TIFF picture encoder and decoder

  1480. - GIF picture decoder

  1481. - Intel Music Coder decoder

  1482. - Zip Motion Blocks Video encoder

  1483. - Musepack decoder

  1484. - Flash Screen Video encoder

  1485. - Theora encoding via libtheora

  1486. - BMP encoder

  1487. - WMA encoder

  1488. - GSM-MS encoder and decoder

  1489. - DCA decoder

  1490. - DXA demuxer and decoder

  1491. - DNxHD decoder

  1492. - Gamecube movie (.THP) playback system

  1493. - Blackfin optimizations

  1494. - Interplay C93 demuxer and video decoder

  1495. - Bethsoft VID demuxer and video decoder

  1496. - CRYO APC demuxer

  1497. - ATRAC3 decoder

  1498. - V.Flash PTX decoder

  1499. - RoQ muxer, RoQ audio encoder

  1500. - Renderware TXD demuxer and decoder

  1501. - extern C declarations for C++ removed from headers

  1502. - sws_flags command line option

  1503. - codebook generator

  1504. - RoQ video encoder

  1505. - QTRLE encoder

  1506. - OS/2 support removed and restored again

  1507. - AC-3 decoder

  1508. - NUT muxer

  1509. - additional SPARC (VIS) optimizations

  1510. - Matroska muxer

  1511. - slice-based parallel H.264 decoding

  1512. - Monkey's Audio demuxer and decoder

  1513. - AMV audio and video decoder

  1514. - DNxHD encoder

  1515. - H.264 PAFF decoding

  1516. - Nellymoser ASAO decoder

  1517. - Beam Software SIFF demuxer and decoder

  1518. - libvorbis Vorbis decoding removed in favor of native decoder

  1519. - IntraX8 (J-Frame) subdecoder for WMV2 and VC-1

  1520. - Ogg (Theora, Vorbis and FLAC) muxer

  1521. - The "device" muxers and demuxers are now in a new libavdevice library

  1522. - PC Paintbrush PCX decoder

  1523. - Sun Rasterfile decoder

  1524. - TechnoTrend PVA demuxer

  1525. - Linux Media Labs MPEG-4 (LMLM4) demuxer

  1526. - AVM2 (Flash 9) SWF muxer

  1527. - QT variant of IMA ADPCM encoder

  1528. - VFW grabber

  1529. - iPod/iPhone compatible mp4 muxer

  1530. - Mimic decoder

  1531. - MSN TCP Webcam stream demuxer

  1532. - RL2 demuxer / decoder

  1533. - IFF demuxer

  1534. - 8SVX audio decoder

  1535. - non-recursive Makefiles

  1536. - BFI demuxer

  1537. - MAXIS EA XA (.xa) demuxer / decoder

  1538. - BFI video decoder

  1539. - OMA demuxer

  1540. - MLP/TrueHD decoder

  1541. - Electronic Arts CMV decoder

  1542. - Motion Pixels Video decoder

  1543. - Motion Pixels MVI demuxer

  1544. - removed animated GIF decoder/demuxer

  1545. - D-Cinema audio muxer

  1546. - Electronic Arts TGV decoder

  1547. - Apple Lossless Audio Codec (ALAC) encoder

  1548. - AAC decoder

  1549. - floating point PCM encoder/decoder

  1550. - MXF muxer

  1551. - DV100 AKA DVCPRO HD decoder and demuxer

  1552. - E-AC-3 support added to AC-3 decoder

  1553. - Nellymoser ASAO encoder

  1554. - ASS and SSA demuxer and muxer

  1555. - liba52 wrapper removed

  1556. - SVQ3 watermark decoding support

  1557. - Speex decoding via libspeex

  1558. - Electronic Arts TGQ decoder

  1559. - RV40 decoder

  1560. - QCELP / PureVoice decoder

  1561. - RV30 decoder

  1562. - hybrid WavPack support

  1563. - R3D REDCODE demuxer

  1564. - ALSA support for playback and record

  1565. - Electronic Arts TQI decoder

  1566. - OpenJPEG based JPEG 2000 decoder

  1567. - NC (NC4600) camera file demuxer

  1568. - Gopher client support

  1569. - MXF D-10 muxer

  1570. - generic metadata API

  1571. - flash ScreenVideo2 encoder

  1572. 

  1573. 

  1574. version 0.4.9-pre1:

  1575. 

  1576. - DV encoder, DV muxer

  1577. - Microsoft RLE video decoder

  1578. - Microsoft Video-1 decoder

  1579. - Apple Animation (RLE) decoder

  1580. - Apple Graphics (SMC) decoder

  1581. - Apple Video (RPZA) decoder

  1582. - Cinepak decoder

  1583. - Sega FILM (CPK) file demuxer

  1584. - Westwood multimedia support (VQA & AUD files)

  1585. - Id Quake II CIN playback support

  1586. - 8BPS video decoder

  1587. - FLIC playback support

  1588. - RealVideo 2.0 (RV20) decoder

  1589. - Duck TrueMotion v1 (DUCK) video decoder

  1590. - Sierra VMD demuxer and video decoder

  1591. - MSZH and ZLIB decoder support

  1592. - SVQ1 video encoder

  1593. - AMR-WB support

  1594. - PPC optimizations

  1595. - rate distortion optimal cbp support

  1596. - rate distorted optimal ac prediction for MPEG-4

  1597. - rate distorted optimal lambda->qp support

  1598. - AAC encoding with libfaac

  1599. - Sunplus JPEG codec (SP5X) support

  1600. - use Lagrange multiplier instead of QP for ratecontrol

  1601. - Theora/VP3 decoding support

  1602. - XA and ADX ADPCM codecs

  1603. - export MPEG-2 active display area / pan scan

  1604. - Add support for configuring with IBM XLC

  1605. - floating point AAN DCT

  1606. - initial support for zygo video (not complete)

  1607. - RGB ffv1 support

  1608. - new audio/video parser API

  1609. - av_log() system

  1610. - av_read_frame() and av_seek_frame() support

  1611. - missing last frame fixes

  1612. - seek by mouse in ffplay

  1613. - noise reduction of DCT coefficients

  1614. - H.263 OBMC & 4MV support

  1615. - H.263 alternative inter vlc support

  1616. - H.263 loop filter

  1617. - H.263 slice structured mode

  1618. - interlaced DCT support for MPEG-2 encoding

  1619. - stuffing to stay above min_bitrate

  1620. - MB type & QP visualization

  1621. - frame stepping for ffplay

  1622. - interlaced motion estimation

  1623. - alternate scantable support

  1624. - SVCD scan offset support

  1625. - closed GOP support

  1626. - SSE2 FDCT

  1627. - quantizer noise shaping

  1628. - G.726 ADPCM audio codec

  1629. - MS ADPCM encoding

  1630. - multithreaded/SMP motion estimation

  1631. - multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263

  1632. - multithreaded/SMP decoding for MPEG-2

  1633. - FLAC decoder

  1634. - Metrowerks CodeWarrior suppport

  1635. - H.263+ custom pcf support

  1636. - nicer output for 'ffmpeg -formats'

  1637. - Matroska demuxer

  1638. - SGI image format, encoding and decoding

  1639. - H.264 loop filter support

  1640. - H.264 CABAC support

  1641. - nicer looking arrows for the motion vector visualization

  1642. - improved VCD support

  1643. - audio timestamp drift compensation

  1644. - MPEG-2 YUV 422/444 support

  1645. - polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample

  1646. - better image scaling

  1647. - H.261 support

  1648. - correctly interleave packets during encoding

  1649. - VIS optimized motion compensation

  1650. - intra_dc_precision>0 encoding support

  1651. - support reuse of motion vectors/MB types/field select values of the source video

  1652. - more accurate deblock filter

  1653. - padding support

  1654. - many optimizations and bugfixes

  1655. - FunCom ISS audio file demuxer and according ADPCM decoding

  1656. 

  1657. 

  1658. version 0.4.8:

  1659. 

  1660. - MPEG-2 video encoding (Michael)

  1661. - Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)

  1662. - Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson

  1663.   and Mario Brito)

  1664. - Xan DPCM audio decoder (Mario Brito)

  1665. - Interplay MVE playback subsystem (Mike Melanson)

  1666. - Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)

  1667. 

  1668. 

  1669. version 0.4.7:

  1670. 

  1671. - RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from mplayerhq

  1672.   (originally from public domain player for Amiga at http://www.honeypot.net/audio)

  1673. - current version now also compiles with older GCC (Fabrice)

  1674. - 4X multimedia playback system including 4xm file demuxer (Mike

  1675.   Melanson), and 4X video and audio codecs (Michael)

  1676. - Creative YUV (CYUV) decoder (Mike Melanson)

  1677. - FFV1 codec (our very simple lossless intra only codec, compresses much better

  1678.   than HuffYUV) (Michael)

  1679. - ASV1 (Asus), H.264, Intel indeo3 codecs have been added (various)

  1680. - tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with

  1681.   alpha support), JPEG YUV colorspace support. (Fabrice Bellard)

  1682. - ffplay has been replaced with a newer version which uses SDL (optionally)

  1683.   for multiplatform support (Fabrice)

  1684. - Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated

  1685.   by anonymous

  1686. - AMR format has been added (Johannes Carlsson)

  1687. - 3GP support has been added (Johannes Carlsson)

  1688. - VP3 codec has been added (Mike Melanson)

  1689. - more MPEG-1/2 fixes

  1690. - better multiplatform support, MS Visual Studio fixes (various)

  1691. - AltiVec optimizations (Magnus Damn and others)

  1692. - SH4 processor support has been added (BERO)

  1693. - new public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)

  1694. - VOB streaming support (Brian Foley)

  1695. - better MP3 autodetection (Andriy Rysin)

  1696. - qpel encoding (Michael)

  1697. - 4mv+b frames encoding finally fixed (Michael)

  1698. - chroma ME (Michael)

  1699. - 5 comparison functions for ME (Michael)

  1700. - B-frame encoding speedup (Michael)

  1701. - WMV2 codec (unfinished - Michael)

  1702. - user specified diamond size for EPZS (Michael)

  1703. - Playstation STR playback subsystem, still experimental (Mike and Michael)

  1704. - ASV2 codec (Michael)

  1705. - CLJR decoder (Alex)

  1706. 

  1707. .. And lots more new enhancements and fixes.

  1708. 

  1709. 

  1710. version 0.4.6:

  1711. 

  1712. - completely new integer only MPEG audio layer 1/2/3 decoder rewritten

  1713.   from scratch

  1714. - Recoded DCT and motion vector search with gcc (no longer depends on nasm)

  1715. - fix quantization bug in AC3 encoder

  1716. - added PCM codecs and format. Corrected WAV/AVI/ASF PCM issues

  1717. - added prototype ffplay program

  1718. - added GOB header parsing on H.263/H.263+ decoder (Juanjo)

  1719. - bug fix on MCBPC tables of H.263 (Juanjo)

  1720. - bug fix on DC coefficients of H.263 (Juanjo)

  1721. - added Advanced Prediction Mode on H.263/H.263+ decoder (Juanjo)

  1722. - now we can decode H.263 streams found in QuickTime files (Juanjo)

  1723. - now we can decode H.263 streams found in VIVO v1 files(Juanjo)

  1724. - preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)

  1725. - added GOB header for H.263/H.263+ coding on RTP mode (Juanjo)

  1726. - now H.263 picture size is returned on the first decoded frame (Juanjo)

  1727. - added first regression tests

  1728. - added MPEG-2 TS demuxer

  1729. - new demux API for libav

  1730. - more accurate and faster IDCT (Michael)

  1731. - faster and entropy-controlled motion search (Michael)

  1732. - two pass video encoding (Michael)

  1733. - new video rate control (Michael)

  1734. - added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)

  1735. - great performance improvement of video encoders and decoders (Michael)

  1736. - new and faster bit readers and vlc parsers (Michael)

  1737. - high quality encoding mode: tries all macroblock/VLC types (Michael)

  1738. - added DV video decoder

  1739. - preliminary RTP/RTSP support in ffserver and libavformat

  1740. - H.263+ AIC decoding/encoding support (Juanjo)

  1741. - VCD MPEG-PS mode (Juanjo)

  1742. - PSNR stuff (Juanjo)

  1743. - simple stats output (Juanjo)

  1744. - 16-bit and 15-bit RGB/BGR/GBR support (Bisqwit)

  1745. 

  1746. 

  1747. version 0.4.5:

  1748. 

  1749. - some header fixes (Zdenek Kabelac <kabi at informatics.muni.cz>)

  1750. - many MMX optimizations (Nick Kurshev <nickols_k at mail.ru>)

  1751. - added configure system (actually a small shell script)

  1752. - added MPEG audio layer 1/2/3 decoding using LGPL'ed mpglib by

  1753.   Michael Hipp (temporary solution - waiting for integer only

  1754.   decoder)

  1755. - fixed VIDIOCSYNC interrupt

  1756. - added Intel H.263 decoding support ('I263' AVI fourCC)

  1757. - added Real Video 1.0 decoding (needs further testing)

  1758. - simplified image formats again. Added PGM format (=grey

  1759.   pgm). Renamed old PGM to PGMYUV.

  1760. - fixed msmpeg4 slice issues (tell me if you still find problems)

  1761. - fixed OpenDivX bugs with newer versions (added VOL header decoding)

  1762. - added support for MPlayer interface

  1763. - added macroblock skip optimization

  1764. - added MJPEG decoder

  1765. - added mmx/mmxext IDCT from libmpeg2

  1766. - added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer

  1767.   <celer at shell.scrypt.net>)

  1768. - added pixel format conversion layer (e.g. for MJPEG or PPM)

  1769. - added deinterlacing option

  1770. - MPEG-1/2 fixes

  1771. - MPEG-4 vol header fixes (Jonathan Marsden <snmjbm at pacbell.net>)

  1772. - ARM optimizations (Lionel Ulmer <lionel.ulmer at free.fr>).

  1773. - Windows porting of file converter

  1774. - added MJPEG raw format (input/output)

  1775. - added JPEG image format support (input/output)

  1776. 

  1777. 

  1778. version 0.4.4:

  1779. 

  1780. - fixed some std header definitions (Bjorn Lindgren

  1781.   <bjorn.e.lindgren at telia.com>).

  1782. - added MPEG demuxer (MPEG-1 and 2 compatible).

  1783. - added ASF demuxer

  1784. - added prototype RM demuxer

  1785. - added AC3 decoding (done with libac3 by Aaron Holtzman)

  1786. - added decoding codec parameter guessing (.e.g. for MPEG, because the

  1787.   header does not include them)

  1788. - fixed header generation in MPEG-1, AVI and ASF muxer: wmplayer can now

  1789.   play them (only tested video)

  1790. - fixed H.263 white bug

  1791. - fixed phase rounding in img resample filter

  1792. - add MMX code for polyphase img resample filter

  1793. - added CPU autodetection

  1794. - added generic title/author/copyright/comment string handling (ASF and RM

  1795.   use them)

  1796. - added SWF demux to extract MP3 track (not usable yet because no MP3

  1797.   decoder)

  1798. - added fractional frame rate support

  1799. - codecs are no longer searched by read_header() (should fix ffserver

  1800.   segfault)

  1801. 

  1802. 

  1803. version 0.4.3:

  1804. 

  1805. - BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq at amsat.org>)

  1806. - fixed raw yuv output

  1807. - added motion rounding support in MPEG-4

  1808. - fixed motion bug rounding in MSMPEG4

  1809. - added B-frame handling in video core

  1810. - added full MPEG-1 decoding support

  1811. - added partial (frame only) MPEG-2 support

  1812. - changed the FOURCC code for H.263 to "U263" to be able to see the

  1813.   +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with

  1814.   this +codec ;) (JuanJo).

  1815. - Halfpel motion estimation after MB type selection (JuanJo)

  1816. - added pgm and .Y.U.V output format

  1817. - suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or

  1818.   output.

  1819. - added pgmpipe I/O format (original patch from Martin Aumueller

  1820.   <lists at reserv.at>, but changed completely since we use a format

  1821.   instead of a protocol)

  1822. 

  1823. 

  1824. version 0.4.2:

  1825. 

  1826. - added H.263/MPEG-4/MSMPEG4 decoding support. MPEG-4 decoding support

  1827.   (for OpenDivX) is almost complete: 8x8 MVs and rounding are

  1828.   missing. MSMPEG4 support is complete.

  1829. - added prototype MPEG-1 decoder. Only I- and P-frames handled yet (it

  1830.   can decode ffmpeg MPEGs :-)).

  1831. - added libavcodec API documentation (see apiexample.c).

  1832. - fixed image polyphase bug (the bottom of some images could be

  1833.   greenish)

  1834. - added support for non clipped motion vectors (decoding only)

  1835.   and image sizes non-multiple of 16

  1836. - added support for AC prediction (decoding only)

  1837. - added file overwrite confirmation (can be disabled with -y)

  1838. - added custom size picture to H.263 using H.263+ (Juanjo)

  1839. 

  1840. 

  1841. version 0.4.1:

  1842. 

  1843. - added MSMPEG4 (aka DivX) compatible encoder. Changed default codec

  1844.   of AVI and ASF to DIV3.

  1845. - added -me option to set motion estimation method

  1846.   (default=log). suppressed redundant -hq option.

  1847. - added options -acodec and -vcodec to force a given codec (useful for

  1848.   AVI for example)

  1849. - fixed -an option

  1850. - improved dct_quantize speed

  1851. - factorized some motion estimation code

  1852. 

  1853. 

  1854. version 0.4.0:

  1855. 

  1856. - removing grab code from ffserver and moved it to ffmpeg. Added

  1857.   multistream support to ffmpeg.

  1858. - added timeshifting support for live feeds (option ?date=xxx in the

  1859.   URL)

  1860. - added high quality image resize code with polyphase filter (need

  1861.   mmx/see optimization). Enable multiple image size support in ffserver.

  1862. - added multi live feed support in ffserver

  1863. - suppressed master feature from ffserver (it should be done with an

  1864.   external program which opens the .ffm url and writes it to another

  1865.   ffserver)

  1866. - added preliminary support for video stream parsing (WAV and AVI half

  1867.   done). Added proper support for audio/video file conversion in

  1868.   ffmpeg.

  1869. - added preliminary support for video file sending from ffserver

  1870. - redesigning I/O subsystem: now using URL based input and output

  1871.   (see avio.h)

  1872. - added WAV format support

  1873. - added "tty user interface" to ffmpeg to stop grabbing gracefully

  1874. - added MMX/SSE optimizations to SAD (Sums of Absolutes Differences)

  1875.   (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo at atmlab.utfsm.cl>)

  1876. - added MMX DCT from mpeg2_movie 1.5 (Juanjo)

  1877. - added new motion estimation algorithms, log and phods (Juanjo)

  1878. - changed directories: libav for format handling, libavcodec for

  1879.   codecs

  1880. 

  1881. 

  1882. version 0.3.4:

  1883. 

  1884. - added stereo in MPEG audio encoder

  1885. 

  1886. 

  1887. version 0.3.3:

  1888. 

  1889. - added 'high quality' mode which use motion vectors. It can be used in

  1890.   real time at low resolution.

  1891. - fixed rounding problems which caused quality problems at high

  1892.   bitrates and large GOP size

  1893. 

  1894. 

  1895. version 0.3.2: small fixes

  1896. 

  1897. - ASF fixes

  1898. - put_seek bug fix

  1899. 

  1900. 

  1901. version 0.3.1: added avi/divx support

  1902. 

  1903. - added AVI support

  1904. - added MPEG-4 codec compatible with OpenDivX. It is based on the H.263 codec

  1905. - added sound for flash format (not tested)

  1906. 

  1907. 

  1908. version 0.3: initial public release