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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. - adenorm filter

  44. - ADPCM IMA AMV encoder

  45. - AMV muxer

  46. - NVDEC AV1 hwaccel

  47. - DXVA2/D3D11VA hardware accelerated AV1 decoding

  48. - speechnorm filter

  49. - SpeedHQ encoder

  50. - asupercut filter

  51. - asubcut filter

  52. - Microsoft Paint (MSP) version 2 decoder

  53. - Microsoft Paint (MSP) demuxer

  54. - AV1 monochrome encoding support via libaom >= 2.0.1

  55. - asuperpass and asuperstop filter

  56. - shufflepixels filter

  57. - tmidequalizer filter

  58. - estdif filter

  59. - epx filter

  60. - Dolby E parser

  61. - shear filter

  62. - kirsch filter

  63. - colortemperature filter

  64. - colorcontrast filter

  65. - PFM encoder

  66. - colorcorrect filter

  67. - binka demuxer

  68. - XBM parser

  69. - xbm_pipe demuxer

  70. 

  71. 

  72. version 4.3:

  73. - v360 filter

  74. - Intel QSV-accelerated MJPEG decoding

  75. - Intel QSV-accelerated VP9 decoding

  76. - Support for TrueHD in mp4

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

  78. - IMM5 video decoder

  79. - ZeroMQ protocol

  80. - support Sipro ACELP.KELVIN decoding

  81. - streamhash muxer

  82. - sierpinski video source

  83. - scroll video filter

  84. - photosensitivity filter

  85. - anlms filter

  86. - arnndn filter

  87. - bilateral filter

  88. - maskedmin and maskedmax filters

  89. - VDPAU VP9 hwaccel

  90. - median filter

  91. - QSV-accelerated VP9 encoding

  92. - AV1 encoding support via librav1e

  93. - AV1 frame merge bitstream filter

  94. - AV1 Annex B demuxer

  95. - axcorrelate filter

  96. - mvdv decoder

  97. - mvha decoder

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

  99. - thistogram filter

  100. - freezeframes filter

  101. - Argonaut Games ADPCM decoder

  102. - Argonaut Games ASF demuxer

  103. - xfade video filter

  104. - xfade_opencl filter

  105. - afirsrc audio filter source

  106. - pad_opencl filter

  107. - Simon & Schuster Interactive ADPCM decoder

  108. - Real War KVAG demuxer

  109. - CDToons video decoder

  110. - siren audio decoder

  111. - Rayman 2 ADPCM decoder

  112. - Rayman 2 APM demuxer

  113. - cas video filter

  114. - High Voltage Software ADPCM decoder

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

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

  117. - Vulkan support

  118. - avgblur_vulkan, overlay_vulkan, scale_vulkan and chromaber_vulkan filters

  119. - ADPCM IMA MTF decoder

  120. - FWSE demuxer

  121. - DERF DPCM decoder

  122. - DERF demuxer

  123. - CRI HCA decoder

  124. - CRI HCA demuxer

  125. - overlay_cuda filter

  126. - switch from AvxSynth to AviSynth+ on Linux

  127. - mv30 decoder

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

  129. - WebP parser

  130. - tmedian filter

  131. - maskedthreshold filter

  132. - Support for muxing pcm and pgs in m2ts

  133. - Cunning Developments ADPCM decoder

  134. - asubboost filter

  135. - Pro Pinball Series Soundbank demuxer

  136. - pcm_rechunk bitstream filter

  137. - scdet filter

  138. - NotchLC decoder

  139. - gradients source video filter

  140. - MediaFoundation encoder wrapper

  141. - untile filter

  142. - Simon & Schuster Interactive ADPCM encoder

  143. - PFM decoder

  144. - dblur video filter

  145. - Real War KVAG muxer

  146. 

  147. 

  148. version 4.2:

  149. - tpad filter

  150. - AV1 decoding support through libdav1d

  151. - dedot filter

  152. - chromashift and rgbashift filters

  153. - freezedetect filter

  154. - truehd_core bitstream filter

  155. - dhav demuxer

  156. - PCM-DVD encoder

  157. - GIF parser

  158. - vividas demuxer

  159. - hymt decoder

  160. - anlmdn filter

  161. - maskfun filter

  162. - hcom demuxer and decoder

  163. - ARBC decoder

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

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

  166. - removed libndi-newtek

  167. - agm decoder

  168. - KUX demuxer

  169. - AV1 frame split bitstream filter

  170. - lscr decoder

  171. - lagfun filter

  172. - asoftclip filter

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

  174. - colorhold filter

  175. - xmedian filter

  176. - asr filter

  177. - showspatial multimedia filter

  178. - VP4 video decoder

  179. - IFV demuxer

  180. - derain filter

  181. - deesser filter

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

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

  184. 

  185. 

  186. version 4.1:

  187. - deblock filter

  188. - tmix filter

  189. - amplify filter

  190. - fftdnoiz filter

  191. - aderivative and aintegral audio filters

  192. - pal75bars and pal100bars video filter sources

  193. - support mbedTLS based TLS

  194. - adeclick filter

  195. - adeclip filter

  196. - libtensorflow backend for DNN based filters like srcnn

  197. - vc1 decoder is now bit-exact

  198. - ATRAC9 decoder

  199. - lensfun wrapper filter

  200. - colorconstancy filter

  201. - AVS2 video decoder via libdavs2

  202. - IMM4 video decoder

  203. - Brooktree ProSumer video decoder

  204. - MatchWare Screen Capture Codec decoder

  205. - WinCam Motion Video decoder

  206. - 1D LUT filter (lut1d)

  207. - RemotelyAnywhere Screen Capture decoder

  208. - cue and acue filters

  209. - support for AV1 in MP4

  210. - transpose_npp filter

  211. - AVS2 video encoder via libxavs2

  212. - amultiply filter

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

  214. - acrossover filter

  215. - ilbc decoder

  216. - audio denoiser as afftdn filter

  217. - AV1 parser

  218. - SER demuxer

  219. - sinc audio filter source

  220. - chromahold filter

  221. - setparams filter

  222. - vibrance filter

  223. - decoding S12M timecode in h264

  224. - xstack filter

  225. - pcm vidc decoder and encoder

  226. - (a)graphmonitor filter

  227. - yadif_cuda filter

  228. 

  229. 

  230. version 4.0:

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

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

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

  234. - VDA dropped (use VideoToolbox instead)

  235. - MagicYUV encoder

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

  237. - TiVo ty/ty+ demuxer

  238. - Intel QSV-accelerated MJPEG encoding

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

  240. - native aptX and aptX HD encoder and decoder

  241. - Raw aptX and aptX HD muxer and demuxer

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

  243. - Intel QSV-accelerated overlay filter

  244. - mcompand audio filter

  245. - acontrast audio filter

  246. - OpenCL overlay filter

  247. - video mix filter

  248. - video normalize filter

  249. - audio lv2 wrapper filter

  250. - VAAPI MJPEG and VP8 decoding

  251. - AMD AMF H.264 and HEVC encoders

  252. - video fillborders filter

  253. - video setrange filter

  254. - nsp demuxer

  255. - support LibreSSL (via libtls)

  256. - AVX-512/ZMM support added

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

  258.   version is Windows Vista.

  259. - deconvolve video filter

  260. - entropy video filter

  261. - hilbert audio filter source

  262. - aiir audio filter

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

  264. - Removed the ffserver program

  265. - Removed the ffmenc and ffmdec muxer and demuxer

  266. - VideoToolbox HEVC encoder and hwaccel

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

  268. - Add android_camera indev

  269. - codec2 en/decoding via libcodec2

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

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

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

  273. - native SBC encoder and decoder

  274. - drmeter audio filter

  275. - hapqa_extract bitstream filter

  276. - filter_units bitstream filter

  277. - AV1 Support through libaom

  278. - E-AC-3 dependent frames support

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

  280. - Haivision SRT protocol via libsrt

  281. - segafilm muxer

  282. - vfrdet filter

  283. - SRCNN filter

  284. 

  285. 

  286. version 3.4:

  287. - deflicker video filter

  288. - doubleweave video filter

  289. - lumakey video filter

  290. - pixscope video filter

  291. - oscilloscope video filter

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

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

  294. - afir audio filter

  295. - scale_cuda CUDA based video scale filter

  296. - librsvg support for svg rasterization

  297. - crossfeed audio filter

  298. - spec compliant VP9 muxing support in MP4

  299. - remove the libnut muxer/demuxer wrappers

  300. - remove the libschroedinger encoder/decoder wrappers

  301. - surround audio filter

  302. - sofalizer filter switched to libmysofa

  303. - Gremlin Digital Video demuxer and decoder

  304. - headphone audio filter

  305. - superequalizer audio filter

  306. - roberts video filter

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

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

  309. - additional frame format support for Interplay MVE movies

  310. - support for decoding through D3D11VA in ffmpeg

  311. - limiter video filter

  312. - libvmaf video filter

  313. - Dolby E decoder and SMPTE 337M demuxer

  314. - unpremultiply video filter

  315. - tlut2 video filter

  316. - floodfill video filter

  317. - pseudocolor video filter

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

  319. - NewTek NDI input/output device

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

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

  322.   They must always be used by name.

  323. - FITS demuxer and decoder

  324. - FITS muxer and encoder

  325. - add --disable-autodetect build switch

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

  327. - despill video filter

  328. - haas audio filter

  329. - SUP/PGS subtitle muxer

  330. - convolve video filter

  331. - VP9 tile threading support

  332. - KMS screen grabber

  333. - CUDA thumbnail filter

  334. - V4L2 mem2mem HW assisted codecs

  335. - Rockchip MPP hardware decoding

  336. - vmafmotion video filter

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

  338. 

  339. 

  340. version 3.3:

  341. - CrystalHD decoder moved to new decode API

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

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

  344. - premultiply video filter

  345. - Support for spherical videos

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

  347. - PSD Decoder

  348. - 16.8 floating point pcm decoder

  349. - 24.0 floating point pcm decoder

  350. - Apple Pixlet decoder

  351. - QDMC audio decoder

  352. - NewTek SpeedHQ decoder

  353. - MIDI Sample Dump Standard demuxer

  354. - readeia608 filter

  355. - Sample Dump eXchange demuxer

  356. - abitscope multimedia filter

  357. - Scenarist Closed Captions demuxer and muxer

  358. - threshold filter

  359. - midequalizer filter

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

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

  362. - FM Screen Capture Codec decoder

  363. - native Opus encoder

  364. - ScreenPressor decoder

  365. - incomplete ClearVideo decoder

  366. - Intel QSV video scaling and deinterlacing filters

  367. - Support MOV with multiple sample description tables

  368. - XPM decoder

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

  370. - MPEG-7 Video Signature filter

  371. - Removed asyncts filter (use af_aresample instead)

  372. - Intel QSV-accelerated VP8 video decoding

  373. - VAAPI-accelerated deinterlacing

  374. 

  375. 

  376. version 3.2:

  377. - libopenmpt demuxer

  378. - tee protocol

  379. - Changed metadata print option to accept general urls

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

  381. - VP8 in Ogg muxing

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

  383. - 16-bit support in curves filter and selectivecolor filter

  384. - OpenH264 decoder wrapper

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

  386. - True Audio (TTA) muxer

  387. - crystalizer audio filter

  388. - acrusher audio filter

  389. - bitplanenoise video filter

  390. - floating point support in als decoder

  391. - fifo muxer

  392. - maskedclamp filter

  393. - hysteresis filter

  394. - lut2 filter

  395. - yuvtestsrc filter

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

  397. - vaguedenoiser filter

  398. - added threads option per filter instance

  399. - weave filter

  400. - gblur filter

  401. - avgblur filter

  402. - sobel and prewitt filter

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

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

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

  406. - sdl2 output device and ffplay support

  407. - sdl1 output device and sdl1 support removed

  408. - extended mov edit list support

  409. - libfaac encoder removed

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

  411. - sidedata video and asidedata audio filter

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

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

  414. 

  415. 

  416. version 3.1:

  417. - DXVA2-accelerated HEVC Main10 decoding

  418. - fieldhint filter

  419. - loop video filter and aloop audio filter

  420. - Bob Weaver deinterlacing filter

  421. - firequalizer filter

  422. - datascope filter

  423. - bench and abench filters

  424. - ciescope filter

  425. - protocol blacklisting API

  426. - MediaCodec H264 decoding

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

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

  429. - AudioToolbox audio decoders

  430. - AudioToolbox audio encoders

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

  432. - libdcadec removed

  433. - bitstream filter for extracting DTS core

  434. - ADPCM IMA DAT4 decoder

  435. - musx demuxer

  436. - aix demuxer

  437. - remap filter

  438. - hash and framehash muxers

  439. - colorspace filter

  440. - hdcd filter

  441. - readvitc filter

  442. - VAAPI-accelerated format conversion and scaling

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

  444. - Duck TrueMotion 2.0 Real Time decoder

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

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

  447. - DTS Express (LBR) decoder

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

  449. - IFF ANIM demuxer & decoder

  450. - Direct Stream Transfer (DST) decoder

  451. - loudnorm filter

  452. - MTAF demuxer and decoder

  453. - MagicYUV decoder

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

  455. - BitJazz SheerVideo decoder

  456. - CUDA CUVID H264/HEVC decoder

  457. - 10-bit depth support in native utvideo decoder

  458. - libutvideo wrapper removed

  459. - YUY2 Lossless Codec decoder

  460. - VideoToolbox H.264 encoder

  461. 

  462. 

  463. version 3.0:

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

  465. - DXV decoding

  466. - extrastereo filter

  467. - ocr filter

  468. - alimiter filter

  469. - stereowiden filter

  470. - stereotools filter

  471. - rubberband filter

  472. - tremolo filter

  473. - agate filter

  474. - chromakey filter

  475. - maskedmerge filter

  476. - Screenpresso SPV1 decoding

  477. - chromaprint fingerprinting muxer

  478. - ffplay dynamic volume control

  479. - displace filter

  480. - selectivecolor filter

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

  482. - ADPCM PSX decoder

  483. - 3dostr, dcstr, fsb, genh, vag, xvag, ads, msf, svag & vpk demuxer

  484. - zscale filter

  485. - wve demuxer

  486. - zero-copy Intel QSV transcoding in ffmpeg

  487. - shuffleframes filter

  488. - SDX2 DPCM decoder

  489. - vibrato filter

  490. - innoHeim/Rsupport Screen Capture Codec decoder

  491. - ADPCM AICA decoder

  492. - Interplay ACM demuxer and audio decoder

  493. - XMA1 & XMA2 decoder

  494. - realtime filter

  495. - anoisesrc audio filter source

  496. - IVR demuxer

  497. - compensationdelay filter

  498. - acompressor filter

  499. - support encoding 16-bit RLE SGI images

  500. - apulsator filter

  501. - sidechaingate audio filter

  502. - mipsdspr1 option has been renamed to mipsdsp

  503. - aemphasis filter

  504. - mips32r5 option has been removed

  505. - mips64r6 option has been removed

  506. - DXVA2-accelerated VP9 decoding

  507. - SOFAlizer: virtual binaural acoustics filter

  508. - VAAPI VP9 hwaccel

  509. - audio high-order multiband parametric equalizer

  510. - automatic bitstream filtering

  511. - showspectrumpic filter

  512. - libstagefright support removed

  513. - spectrumsynth filter

  514. - ahistogram filter

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

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

  517. - afftfilt filter

  518. - convolution filter

  519. - libquvi support removed

  520. - support for dvaudio in wav and avi

  521. - libaacplus and libvo-aacenc support removed

  522. - Cineform HD decoder

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

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

  525. - nnedi deinterlacer

  526. - streamselect video and astreamselect audio filter

  527. - swaprect filter

  528. - metadata video and ametadata audio filter

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

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

  531. 

  532. 

  533. version 2.8:

  534. - colorkey video filter

  535. - BFSTM/BCSTM demuxer

  536. - little-endian ADPCM_THP decoder

  537. - Hap decoder and encoder

  538. - DirectDraw Surface image/texture decoder

  539. - ssim filter

  540. - optional new ASF demuxer

  541. - showvolume filter

  542. - Many improvements to the JPEG 2000 decoder

  543. - Go2Meeting decoding support

  544. - adrawgraph audio and drawgraph video filter

  545. - removegrain video filter

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

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

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

  549. - libkvazaar HEVC encoder

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

  551. - Dynamic Audio Normalizer as dynaudnorm filter

  552. - Reverse video and areverse audio filter

  553. - Random filter

  554. - deband filter

  555. - AAC fixed-point decoding

  556. - sidechaincompress audio filter

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

  558. - acrossfade audio filter

  559. - allyuv and allrgb video sources

  560. - atadenoise video filter

  561. - OS X VideoToolbox support

  562. - aphasemeter filter

  563. - showfreqs filter

  564. - vectorscope filter

  565. - waveform filter

  566. - hstack and vstack filter

  567. - Support DNx100 (1440x1080@8)

  568. - VAAPI hevc hwaccel

  569. - VDPAU hevc hwaccel

  570. - framerate filter

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

  572. - Removed experimental flag from the JPEG 2000 encoder

  573. 

  574. 

  575. version 2.7:

  576. - FFT video filter

  577. - TDSC decoder

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

  579. - showwavespic filter

  580. - DTS decoding through libdcadec

  581. - Drop support for nvenc API before 5.0

  582. - nvenc HEVC encoder

  583. - Detelecine filter

  584. - Intel QSV-accelerated H.264 encoding

  585. - MMAL-accelerated H.264 decoding

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

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

  588. - WebM Live Chunk Muxer

  589. - nvenc level and tier options

  590. - chorus filter

  591. - Canopus HQ/HQA decoder

  592. - Automatically rotate videos based on metadata in ffmpeg

  593. - improved Quickdraw compatibility

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

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

  596. - Direct3D11-accelerated decoding

  597. - Support Secure Transport

  598. - Multipart JPEG demuxer

  599. 

  600. 

  601. version 2.6:

  602. - nvenc encoder

  603. - 10bit spp filter

  604. - colorlevels filter

  605. - RIFX format for *.wav files

  606. - RTP/mpegts muxer

  607. - non continuous cache protocol support

  608. - tblend filter

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

  610. - Camellia symmetric block cipher

  611. - OpenH264 encoder wrapper

  612. - VOC seeking support

  613. - Closed caption Decoder

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

  615. - showpalette filter

  616. - Twofish symmetric block cipher

  617. - Support DNx100 (960x720@8)

  618. - eq2 filter ported from libmpcodecs as eq filter

  619. - removed libmpcodecs

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

  621. - ported softpulldown filter from libmpcodecs as repeatfields filter

  622. - dcshift filter

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

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

  625. - palettegen and paletteuse filters

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

  627. - RTP depacketizer for DV (RFC 6469)

  628. - DXVA2-accelerated HEVC decoding

  629. - AAC ELD 480 decoding

  630. - Intel QSV-accelerated H.264 decoding

  631. - DSS SP decoder and DSS demuxer

  632. - Fix stsd atom corruption in DNxHD QuickTimes

  633. - Canopus HQX decoder

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

  635. - Port MIPS optimizations to 64-bit

  636. 

  637. 

  638. version 2.5:

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

  640. - SUP/PGS subtitle demuxer

  641. - ffprobe -show_pixel_formats option

  642. - CAST128 symmetric block cipher, ECB mode

  643. - STL subtitle demuxer and decoder

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

  645. - XCB-based screen-grabber

  646. - UDP-Lite support (RFC 3828)

  647. - xBR scaling filter

  648. - AVFoundation screen capturing support

  649. - ffserver supports codec private options

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

  651. - WebP muxer with animated WebP support

  652. - zygoaudio decoding support

  653. - APNG demuxer

  654. - postproc visualization support

  655. 

  656. 

  657. version 2.4:

  658. - Icecast protocol

  659. - ported lenscorrection filter from frei0r filter

  660. - large optimizations in dctdnoiz to make it usable

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

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

  663. - LZMA compression support in TIFF decoder

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

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

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

  667. - Matroska 3D support thorugh side data

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

  669. - silenceremove filter

  670. 

  671. 

  672. version 2.3:

  673. - AC3 fixed-point decoding

  674. - shuffleplanes filter

  675. - subfile protocol

  676. - Phantom Cine demuxer

  677. - replaygain data export

  678. - VP7 video decoder

  679. - Alias PIX image encoder and decoder

  680. - Improvements to the BRender PIX image decoder

  681. - Improvements to the XBM decoder

  682. - QTKit input device

  683. - improvements to OpenEXR image decoder

  684. - support decoding 16-bit RLE SGI images

  685. - GDI screen grabbing for Windows

  686. - alternative rendition support for HTTP Live Streaming

  687. - AVFoundation input device

  688. - Direct Stream Digital (DSD) decoder

  689. - Magic Lantern Video (MLV) demuxer

  690. - On2 AVC (Audio for Video) decoder

  691. - support for decoding through DXVA2 in ffmpeg

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

  693. - libx264 reference frames count limiting depending on level

  694. - native Opus decoder

  695. - display matrix export and rotation API

  696. - WebVTT encoder

  697. - showcqt multimedia filter

  698. - zoompan filter

  699. - signalstats filter

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

  701. - flanger filter

  702. - Image format auto-detection

  703. - LRC demuxer and muxer

  704. - Samba protocol (via libsmbclient)

  705. - WebM DASH Manifest muxer

  706. - libfribidi support in drawtext

  707. 

  708. 

  709. version 2.2:

  710. 

  711. - HNM version 4 demuxer and video decoder

  712. - Live HDS muxer

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

  714. - elbg filter

  715. - string validation in ffprobe

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

  717. - complete Voxware MetaSound decoder

  718. - remove mp3_header_compress bitstream filter

  719. - Windows resource files for shared libraries

  720. - aeval filter

  721. - stereoscopic 3d metadata handling

  722. - WebP encoding via libwebp

  723. - ATRAC3+ decoder

  724. - VP8 in Ogg demuxing

  725. - side & metadata support in NUT

  726. - framepack filter

  727. - XYZ12 rawvideo support in NUT

  728. - Exif metadata support in WebP decoder

  729. - OpenGL device

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

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

  732. - Mirillis FIC video decoder

  733. - Support DNx444

  734. - libx265 encoder

  735. - dejudder filter

  736. - Autodetect VDA like all other hardware accelerations

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

  738. 

  739. 

  740. version 2.1:

  741. 

  742. - aecho filter

  743. - perspective filter ported from libmpcodecs

  744. - ffprobe -show_programs option

  745. - compand filter

  746. - RTMP seek support

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

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

  749.   the -noaccurate_seek option.

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

  751.   data read from an input file

  752. - incomplete Voxware MetaSound decoder

  753. - read EXIF metadata from JPEG

  754. - DVB teletext decoder

  755. - phase filter ported from libmpcodecs

  756. - w3fdif filter

  757. - Opus support in Matroska

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

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

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

  761.   more consistent with other muxers.

  762. - adelay filter

  763. - pullup filter ported from libmpcodecs

  764. - ffprobe -read_intervals option

  765. - Lossless and alpha support for WebP decoder

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

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

  768. - mux chapters in ASF files

  769. - SFTP protocol (via libssh)

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

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

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

  773.   the skip_alpha flag.

  774. - ladspa wrapper filter

  775. - native VP9 decoder

  776. - dpx parser

  777. - max_error_rate parameter in ffmpeg

  778. - PulseAudio output device

  779. - ReplayGain scanner

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

  781. - Linux framebuffer output device

  782. - HEVC decoder

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

  784. - mergeplanes filter

  785. 

  786. 

  787. version 2.0:

  788. 

  789. - curves filter

  790. - reference-counting for AVFrame and AVPacket data

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

  792.   or vice versa

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

  794. - perms and aperms filters

  795. - audio filtering support in ffplay

  796. - 10% faster aac encoding on x86 and MIPS

  797. - sine audio filter source

  798. - WebP demuxing and decoding support

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

  800.   filtergraph description to be read from a file

  801. - OpenCL support

  802. - audio phaser filter

  803. - separatefields filter

  804. - libquvi demuxer

  805. - uniform options syntax across all filters

  806. - telecine filter

  807. - interlace filter

  808. - smptehdbars source

  809. - inverse telecine filters (fieldmatch and decimate)

  810. - colorbalance filter

  811. - colorchannelmixer filter

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

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

  814. - decent native animated GIF encoding

  815. - asetrate filter

  816. - interleave filter

  817. - timeline editing with filters

  818. - vidstabdetect and vidstabtransform filters for video stabilization using

  819.   the vid.stab library

  820. - astats filter

  821. - trim and atrim filters

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

  823.   transcoding audio

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

  825. - extractplanes filter

  826. - avectorscope filter

  827. - ADPCM DTK decoder

  828. - ADP demuxer

  829. - RSD demuxer

  830. - RedSpark demuxer

  831. - ADPCM IMA Radical decoder

  832. - zmq filters

  833. - DCT denoiser filter (dctdnoiz)

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

  835. - Apple Intermediate Codec decoder

  836. - Escape 130 video decoder

  837. - FTP protocol support

  838. - V4L2 output device

  839. - 3D LUT filter (lut3d)

  840. - SMPTE 302M audio encoder

  841. - support for slice multithreading in libavfilter

  842. - Hald CLUT support (generation and filtering)

  843. - VC-1 interlaced B-frame support

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

  845. - XVideo output device

  846. - vignette filter

  847. - True Audio (TTA) encoder

  848. - Go2Webinar decoder

  849. - mcdeint filter ported from libmpcodecs

  850. - sab filter ported from libmpcodecs

  851. - ffprobe -show_chapters option

  852. - WavPack encoding through libwavpack

  853. - rotate filter

  854. - spp filter ported from libmpcodecs

  855. - libgme support

  856. - psnr filter

  857. 

  858. 

  859. version 1.2:

  860. 

  861. - VDPAU hardware acceleration through normal hwaccel

  862. - SRTP support

  863. - Error diffusion dither in Swscale

  864. - Chained Ogg support

  865. - Theora Midstream reconfiguration support

  866. - EVRC decoder

  867. - audio fade filter

  868. - filtering audio with unknown channel layout

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

  870.   and treble audio filter

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

  872. - histogram filter

  873. - tee muxer

  874. - il filter ported from libmpcodecs

  875. - support ID3v2 tags in ASF files

  876. - encrypted TTA stream decoding support

  877. - RF64 support in WAV muxer

  878. - noise filter ported from libmpcodecs

  879. - Subtitles character encoding conversion

  880. - blend filter

  881. - stereo3d filter ported from libmpcodecs

  882. 

  883. 

  884. version 1.1:

  885. 

  886. - stream disposition information printing in ffprobe

  887. - filter for loudness analysis following EBU R128

  888. - Opus encoder using libopus

  889. - ffprobe -select_streams option

  890. - Pinnacle TARGA CineWave YUV16 decoder

  891. - TAK demuxer, decoder and parser

  892. - DTS-HD demuxer

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

  894. - FFM2 support

  895. - X-Face image encoder and decoder

  896. - 24-bit FLAC encoding

  897. - multi-channel ALAC encoding up to 7.1

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

  899. - subtitles raw text decoder

  900. - support for building DLLs using MSVC

  901. - LVF demuxer

  902. - ffescape tool

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

  904. - field filter ported from libmpcodecs

  905. - AVR demuxer

  906. - geq filter ported from libmpcodecs

  907. - remove ffserver daemon mode

  908. - AST muxer/demuxer

  909. - new expansion syntax for drawtext

  910. - BRender PIX image decoder

  911. - ffprobe -show_entries option

  912. - ffprobe -sections option

  913. - ADPCM IMA Dialogic decoder

  914. - BRSTM demuxer

  915. - animated GIF decoder and demuxer

  916. - PVF demuxer

  917. - subtitles filter

  918. - IRCAM muxer/demuxer

  919. - Paris Audio File demuxer

  920. - Virtual concatenation demuxer

  921. - VobSub demuxer

  922. - JSON captions for TED talks decoding support

  923. - SOX Resampler support in libswresample

  924. - aselect filter

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

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

  927. - Silicon Graphics Movie demuxer

  928. - apad filter

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

  930. - documentation split into per-component manuals

  931. - pp (postproc) filter ported from MPlayer

  932. - NIST Sphere demuxer

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

  934. - Sony Wave64 muxer

  935. - adobe and limelight publisher authentication in RTMP

  936. - data: URI scheme

  937. - support building on the Plan 9 operating system

  938. - kerndeint filter ported from MPlayer

  939. - histeq filter ported from VirtualDub

  940. - Megalux Frame demuxer

  941. - 012v decoder

  942. - Improved AVC Intra decoding support

  943. 

  944. 

  945. version 1.0:

  946. 

  947. - INI and flat output in ffprobe

  948. - Scene detection in libavfilter

  949. - Indeo Audio decoder

  950. - channelsplit audio filter

  951. - setnsamples audio filter

  952. - atempo filter

  953. - ffprobe -show_data option

  954. - RTMPT protocol support

  955. - iLBC encoding/decoding via libilbc

  956. - Microsoft Screen 1 decoder

  957. - join audio filter

  958. - audio channel mapping filter

  959. - Microsoft ATC Screen decoder

  960. - RTSP listen mode

  961. - TechSmith Screen Codec 2 decoder

  962. - AAC encoding via libfdk-aac

  963. - Microsoft Expression Encoder Screen decoder

  964. - RTMPS protocol support

  965. - RTMPTS protocol support

  966. - RTMPE protocol support

  967. - RTMPTE protocol support

  968. - showwaves and showspectrum filter

  969. - LucasArts SMUSH SANM playback support

  970. - LucasArts SMUSH VIMA audio decoder (ADPCM)

  971. - LucasArts SMUSH demuxer

  972. - SAMI, RealText and SubViewer demuxers and decoders

  973. - Heart Of Darkness PAF playback support

  974. - iec61883 device

  975. - asettb filter

  976. - new option: -progress

  977. - 3GPP Timed Text encoder/decoder

  978. - GeoTIFF decoder support

  979. - ffmpeg -(no)stdin option

  980. - Opus decoder using libopus

  981. - caca output device using libcaca

  982. - alphaextract and alphamerge filters

  983. - concat filter

  984. - flite filter

  985. - Canopus Lossless Codec decoder

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

  987. - MP2 encoding via TwoLAME

  988. - bmp parser

  989. - smptebars source

  990. - asetpts filter

  991. - hue filter

  992. - ICO muxer

  993. - SubRip encoder and decoder without embedded timing

  994. - edge detection filter

  995. - framestep filter

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

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

  998. - volume measurement filter

  999. - Ut Video encoder

  1000. - Microsoft Screen 2 decoder

  1001. - smartblur filter ported from MPlayer

  1002. - CPiA decoder

  1003. - decimate filter ported from MPlayer

  1004. - RTP depacketization of JPEG

  1005. - Smooth Streaming live segmenter muxer

  1006. - F4V muxer

  1007. - sendcmd and asendcmd filters

  1008. - WebVTT demuxer and decoder (simple tags supported)

  1009. - RTP packetization of JPEG

  1010. - faststart option in the MOV/MP4 muxer

  1011. - support for building with MSVC

  1012. 

  1013. 

  1014. version 0.11:

  1015. 

  1016. - Fixes: CVE-2012-2772, CVE-2012-2774, CVE-2012-2775, CVE-2012-2776, CVE-2012-2777,

  1017.          CVE-2012-2779, CVE-2012-2782, CVE-2012-2783, CVE-2012-2784, CVE-2012-2785,

  1018.          CVE-2012-2786, CVE-2012-2787, CVE-2012-2788, CVE-2012-2789, CVE-2012-2790,

  1019.          CVE-2012-2791, CVE-2012-2792, CVE-2012-2793, CVE-2012-2794, CVE-2012-2795,

  1020.          CVE-2012-2796, CVE-2012-2797, CVE-2012-2798, CVE-2012-2799, CVE-2012-2800,

  1021.          CVE-2012-2801, CVE-2012-2802, CVE-2012-2803, CVE-2012-2804,

  1022. - v408 Quicktime and Microsoft AYUV Uncompressed 4:4:4:4 encoder and decoder

  1023. - setfield filter

  1024. - CDXL demuxer and decoder

  1025. - Apple ProRes encoder

  1026. - ffprobe -count_packets and -count_frames options

  1027. - Sun Rasterfile Encoder

  1028. - ID3v2 attached pictures reading and writing

  1029. - WMA Lossless decoder

  1030. - bluray protocol

  1031. - blackdetect filter

  1032. - libutvideo encoder wrapper (--enable-libutvideo)

  1033. - swapuv filter

  1034. - bbox filter

  1035. - XBM encoder and decoder

  1036. - RealAudio Lossless decoder

  1037. - ZeroCodec decoder

  1038. - tile video filter

  1039. - Metal Gear Solid: The Twin Snakes demuxer

  1040. - OpenEXR image decoder

  1041. - removelogo filter

  1042. - drop support for ffmpeg without libavfilter

  1043. - drawtext video filter: fontconfig support

  1044. - ffmpeg -benchmark_all option

  1045. - super2xsai filter ported from libmpcodecs

  1046. - add libavresample audio conversion library for compatibility

  1047. - MicroDVD decoder

  1048. - Avid Meridien (AVUI) encoder and decoder

  1049. - accept + prefix to -pix_fmt option to disable automatic conversions.

  1050. - complete audio filtering in libavfilter and ffmpeg

  1051. - add fps filter

  1052. - vorbis parser

  1053. - png parser

  1054. - audio mix filter

  1055. - ffv1: support (draft) version 1.3

  1056. 

  1057. 

  1058. version 0.10:

  1059. 

  1060. - Fixes: CVE-2011-3929, CVE-2011-3934, CVE-2011-3935, CVE-2011-3936,

  1061.          CVE-2011-3937, CVE-2011-3940, CVE-2011-3941, CVE-2011-3944,

  1062.          CVE-2011-3945, CVE-2011-3946, CVE-2011-3947, CVE-2011-3949,

  1063.          CVE-2011-3950, CVE-2011-3951, CVE-2011-3952

  1064. - v410 Quicktime Uncompressed 4:4:4 10-bit encoder and decoder

  1065. - SBaGen (SBG) binaural beats script demuxer

  1066. - OpenMG Audio muxer

  1067. - Timecode extraction in DV and MOV

  1068. - thumbnail video filter

  1069. - XML output in ffprobe

  1070. - asplit audio filter

  1071. - tinterlace video filter

  1072. - astreamsync audio filter

  1073. - amerge audio filter

  1074. - ISMV (Smooth Streaming) muxer

  1075. - GSM audio parser

  1076. - SMJPEG muxer

  1077. - XWD encoder and decoder

  1078. - Automatic thread count based on detection number of (available) CPU cores

  1079. - y41p Brooktree Uncompressed 4:1:1 12-bit encoder and decoder

  1080. - ffprobe -show_error option

  1081. - Avid 1:1 10-bit RGB Packer codec

  1082. - v308 Quicktime Uncompressed 4:4:4 encoder and decoder

  1083. - yuv4 libquicktime packed 4:2:0 encoder and decoder

  1084. - ffprobe -show_frames option

  1085. - silencedetect audio filter

  1086. - ffprobe -show_program_version, -show_library_versions, -show_versions options

  1087. - rv34: frame-level multi-threading

  1088. - optimized iMDCT transform on x86 using SSE for for mpegaudiodec

  1089. - Improved PGS subtitle decoder

  1090. - dumpgraph option to lavfi device

  1091. - r210 and r10k encoders

  1092. - ffwavesynth decoder

  1093. - aviocat tool

  1094. - ffeval tool

  1095. - support encoding and decoding 4-channel SGI images

  1096. 

  1097. 

  1098. version 0.9:

  1099. 

  1100. - openal input device added

  1101. - boxblur filter added

  1102. - BWF muxer

  1103. - Flash Screen Video 2 decoder

  1104. - lavfi input device added

  1105. - added avconv, which is almost the same for now, except

  1106. for a few incompatible changes in the options, which will hopefully make them

  1107. easier to use. The changes are:

  1108.     * The options placement is now strictly enforced! While in theory the

  1109.       options for ffmpeg should be given in [input options] -i INPUT [output

  1110.       options] OUTPUT order, in practice it was possible to give output options

  1111.       before the -i and it mostly worked. Except when it didn't - the behavior was

  1112.       a bit inconsistent. In avconv, it is not possible to mix input and output

  1113.       options. All non-global options are reset after an input or output filename.

  1114.     * All per-file options are now truly per-file - they apply only to the next

  1115.       input or output file and specifying different values for different files

  1116.       will now work properly (notably -ss and -t options).

  1117.     * All per-stream options are now truly per-stream - it is possible to

  1118.       specify which stream(s) should a given option apply to. See the Stream

  1119.       specifiers section in the avconv manual for details.

  1120.     * In ffmpeg some options (like -newvideo/-newaudio/...) are irregular in the

  1121.       sense that they're specified after the output filename instead of before,

  1122.       like all other options. In avconv this irregularity is removed, all options

  1123.       apply to the next input or output file.

  1124.     * -newvideo/-newaudio/-newsubtitle options were removed. Not only were they

  1125.       irregular and highly confusing, they were also redundant. In avconv the -map

  1126.       option will create new streams in the output file and map input streams to

  1127.       them. E.g. avconv -i INPUT -map 0 OUTPUT will create an output stream for

  1128.       each stream in the first input file.

  1129.     * The -map option now has slightly different and more powerful syntax:

  1130.         + Colons (':') are used to separate file index/stream type/stream index

  1131.           instead of dots. Comma (',') is used to separate the sync stream instead

  1132.           of colon.. This is done for consistency with other options.

  1133.         + It's possible to specify stream type. E.g. -map 0:a:2 creates an

  1134.           output stream from the third input audio stream.

  1135.         + Omitting the stream index now maps all the streams of the given type,

  1136.           not just the first. E.g. -map 0:s creates output streams for all the

  1137.           subtitle streams in the first input file.

  1138.         + Since -map can now match multiple streams, negative mappings were

  1139.           introduced. Negative mappings disable some streams from an already

  1140.           defined map. E.g. '-map 0 -map -0:a:1' means 'create output streams for

  1141.           all the stream in the first input file, except for the second audio

  1142.           stream'.

  1143.     * There is a new option -c (or -codec) for choosing the decoder/encoder to

  1144.       use, which makes it possible to precisely specify target stream(s) consistently with

  1145.       other options. E.g. -c:v lib264 sets the codec for all video streams, -c:a:0

  1146.       libvorbis sets the codec for the first audio stream and -c copy copies all

  1147.       the streams without reencoding. Old -vcodec/-acodec/-scodec options are now

  1148.       aliases to -c:v/a/s

  1149.     * It is now possible to precisely specify which stream should an AVOption

  1150.       apply to. E.g. -b:v:0 2M sets the bitrate for the first video stream, while

  1151.       -b:a 128k sets the bitrate for all audio streams. Note that the old -ab 128k

  1152.       syntax is deprecated and will stop working soon.

  1153.     * -map_chapters now takes only an input file index and applies to the next

  1154.       output file. This is consistent with how all the other options work.

  1155.     * -map_metadata now takes only an input metadata specifier and applies to

  1156.       the next output file. Output metadata specifier is now part of the option

  1157.       name, similarly to the AVOptions/map/codec feature above.

  1158.     * -metadata can now be used to set metadata on streams and chapters, e.g.

  1159.       -metadata:s:1 language=eng sets the language of the first stream to 'eng'.

  1160.       This made -vlang/-alang/-slang options redundant, so they were removed.

  1161.     * -qscale option now uses stream specifiers and applies to all streams, not

  1162.       just video. I.e. plain -qscale number would now apply to all streams. To get

  1163.       the old behavior, use -qscale:v. Also there is now a shortcut -q for -qscale

  1164.       and -aq is now an alias for -q:a.

  1165.     * -vbsf/-absf/-sbsf options were removed and replaced by a -bsf option which

  1166.       uses stream specifiers. Use -bsf:v/a/s instead of the old options.

  1167.     * -itsscale option now uses stream specifiers, so its argument is only the

  1168.       scale parameter.

  1169.     * -intra option was removed, use -g 0 for the same effect.

  1170.     * -psnr option was removed, use -flags +psnr for the same effect.

  1171.     * -vf option is now an alias to the new -filter option, which uses stream specifiers.

  1172.     * -vframes/-aframes/-dframes options are now aliases to the new -frames option.

  1173.     * -vtag/-atag/-stag options are now aliases to the new -tag option.

  1174. - XMV demuxer

  1175. - LOAS demuxer

  1176. - ashowinfo filter added

  1177. - Windows Media Image decoder

  1178. - amovie source added

  1179. - LATM muxer/demuxer

  1180. - Speex encoder via libspeex

  1181. - JSON output in ffprobe

  1182. - WTV muxer

  1183. - Optional C++ Support (needed for libstagefright)

  1184. - H.264 Decoding on Android via Stagefright

  1185. - Prores decoder

  1186. - BIN/XBIN/ADF/IDF text file decoder

  1187. - aconvert audio filter added

  1188. - audio support to lavfi input device added

  1189. - libcdio-paranoia input device for audio CD grabbing

  1190. - Apple ProRes decoder

  1191. - CELT in Ogg demuxing

  1192. - G.723.1 demuxer and decoder

  1193. - libmodplug support (--enable-libmodplug)

  1194. - VC-1 interlaced decoding

  1195. - libutvideo wrapper (--enable-libutvideo)

  1196. - aevalsrc audio source added

  1197. - Ut Video decoder

  1198. - Speex encoding via libspeex

  1199. - 4:2:2 H.264 decoding support

  1200. - 4:2:2 and 4:4:4 H.264 encoding with libx264

  1201. - Pulseaudio input device

  1202. - Prores encoder

  1203. - Video Decoder Acceleration (VDA) HWAccel module.

  1204. - replacement Indeo 3 decoder

  1205. - new ffmpeg option: -map_channel

  1206. - volume audio filter added

  1207. - earwax audio filter added

  1208. - libv4l2 support (--enable-libv4l2)

  1209. - TLS/SSL and HTTPS protocol support

  1210. - AVOptions API rewritten and documented

  1211. - most of CODEC_FLAG2_*, some CODEC_FLAG_* and many codec-specific fields in

  1212.   AVCodecContext deprecated. Codec private options should be used instead.

  1213. - Properly working defaults in libx264 wrapper, support for native presets.

  1214. - Encrypted OMA files support

  1215. - Discworld II BMV decoding support

  1216. - VBLE Decoder

  1217. - OS X Video Decoder Acceleration (VDA) support

  1218. - compact and csv output in ffprobe

  1219. - pan audio filter

  1220. - IFF Amiga Continuous Bitmap (ACBM) decoder

  1221. - ass filter

  1222. - CRI ADX audio format muxer and demuxer

  1223. - Playstation Portable PMP format demuxer

  1224. - Microsoft Windows ICO demuxer

  1225. - life source

  1226. - PCM format support in OMA demuxer

  1227. - CLJR encoder

  1228. - new option: -report

  1229. - Dxtory capture format decoder

  1230. - cellauto source

  1231. - Simple segmenting muxer

  1232. - Indeo 4 decoder

  1233. - SMJPEG demuxer

  1234. 

  1235. 

  1236. version 0.8:

  1237. 

  1238. - many many things we forgot because we rather write code than changelogs

  1239. - WebM support in Matroska de/muxer

  1240. - low overhead Ogg muxing

  1241. - MMS-TCP support

  1242. - VP8 de/encoding via libvpx

  1243. - Demuxer for On2's IVF format

  1244. - Pictor/PC Paint decoder

  1245. - HE-AAC v2 decoder

  1246. - HE-AAC v2 encoding with libaacplus

  1247. - libfaad2 wrapper removed

  1248. - DTS-ES extension (XCh) decoding support

  1249. - native VP8 decoder

  1250. - RTSP tunneling over HTTP

  1251. - RTP depacketization of SVQ3

  1252. - -strict inofficial replaced by -strict unofficial

  1253. - ffplay -exitonkeydown and -exitonmousedown options added

  1254. - native GSM / GSM MS decoder

  1255. - RTP depacketization of QDM2

  1256. - ANSI/ASCII art playback system

  1257. - Lego Mindstorms RSO de/muxer

  1258. - libavcore added (and subsequently removed)

  1259. - SubRip subtitle file muxer and demuxer

  1260. - Chinese AVS encoding via libxavs

  1261. - ffprobe -show_packets option added

  1262. - RTP packetization of Theora and Vorbis

  1263. - RTP depacketization of MP4A-LATM

  1264. - RTP packetization and depacketization of VP8

  1265. - hflip filter

  1266. - Apple HTTP Live Streaming demuxer

  1267. - a64 codec

  1268. - MMS-HTTP support

  1269. - G.722 ADPCM audio encoder/decoder

  1270. - R10k video decoder

  1271. - ocv_smooth filter

  1272. - frei0r wrapper filter

  1273. - change crop filter syntax to width:height:x:y

  1274. - make the crop filter accept parametric expressions

  1275. - make ffprobe accept AVFormatContext options

  1276. - yadif filter

  1277. - blackframe filter

  1278. - Demuxer for Leitch/Harris' VR native stream format (LXF)

  1279. - RTP depacketization of the X-QT QuickTime format

  1280. - SAP (Session Announcement Protocol, RFC 2974) muxer and demuxer

  1281. - cropdetect filter

  1282. - ffmpeg -crop* options removed

  1283. - transpose filter added

  1284. - ffmpeg -force_key_frames option added

  1285. - demuxer for receiving raw rtp:// URLs without an SDP description

  1286. - single stream LATM/LOAS decoder

  1287. - setpts filter added

  1288. - Win64 support for optimized x86 assembly functions

  1289. - MJPEG/AVI1 to JPEG/JFIF bitstream filter

  1290. - ASS subtitle encoder and decoder

  1291. - IEC 61937 encapsulation for E-AC-3, TrueHD, DTS-HD (for HDMI passthrough)

  1292. - overlay filter added

  1293. - rename aspect filter to setdar, and pixelaspect to setsar

  1294. - IEC 61937 demuxer

  1295. - Mobotix .mxg demuxer

  1296. - frei0r source added

  1297. - hqdn3d filter added

  1298. - RTP depacketization of QCELP

  1299. - FLAC parser added

  1300. - gradfun filter added

  1301. - AMR-WB decoder

  1302. - replace the ocv_smooth filter with a more generic ocv filter

  1303. - Windows Televison (WTV) demuxer

  1304. - FFmpeg metadata format muxer and demuxer

  1305. - SubRip (srt) subtitle encoder and decoder

  1306. - floating-point AC-3 encoder added

  1307. - Lagarith decoder

  1308. - ffmpeg -copytb option added

  1309. - IVF muxer added

  1310. - Wing Commander IV movies decoder added

  1311. - movie source added

  1312. - Bink version 'b' audio and video decoder

  1313. - Bitmap Brothers JV playback system

  1314. - Apple HTTP Live Streaming protocol handler

  1315. - sndio support for playback and record

  1316. - Linux framebuffer input device added

  1317. - Chronomaster DFA decoder

  1318. - DPX image encoder

  1319. - MicroDVD subtitle file muxer and demuxer

  1320. - Playstation Portable PMP format demuxer

  1321. - fieldorder video filter added

  1322. - AAC encoding via libvo-aacenc

  1323. - AMR-WB encoding via libvo-amrwbenc

  1324. - xWMA demuxer

  1325. - Mobotix MxPEG decoder

  1326. - VP8 frame-multithreading

  1327. - NEON optimizations for VP8

  1328. - Lots of deprecated API cruft removed

  1329. - fft and imdct optimizations for AVX (Sandy Bridge) processors

  1330. - showinfo filter added

  1331. - SMPTE 302M AES3 audio decoder

  1332. - Apple Core Audio Format muxer

  1333. - 9 bits and 10 bits per sample support in the H.264 decoder

  1334. - 9 bits and 10 bits FFV1 encoding / decoding

  1335. - split filter added

  1336. - select filter added

  1337. - sdl output device added

  1338. - libmpcodecs video filter support (3 times as many filters than before)

  1339. - mpeg2 aspect ratio dection fixed

  1340. - libxvid aspect pickiness fixed

  1341. - Frame multithreaded decoding

  1342. - E-AC-3 audio encoder

  1343. - ac3enc: add channel coupling support

  1344. - floating-point sample format support to the ac3, eac3, dca, aac, and vorbis decoders.

  1345. - H264/MPEG frame-level multi-threading

  1346. - All av_metadata_* functions renamed to av_dict_* and moved to libavutil

  1347. - 4:4:4 H.264 decoding support

  1348. - 10-bit H.264 optimizations for x86

  1349. - lut, lutrgb, and lutyuv filters added

  1350. - buffersink libavfilter sink added

  1351. - Bump libswscale for recently reported ABI break

  1352. - New J2K encoder (via OpenJPEG)

  1353. 

  1354. 

  1355. version 0.7:

  1356. 

  1357. - all the changes for 0.8, but keeping API/ABI compatibility with the 0.6 release

  1358. 

  1359. 

  1360. version 0.6:

  1361. 

  1362. - PB-frame decoding for H.263

  1363. - deprecated vhook subsystem removed

  1364. - deprecated old scaler removed

  1365. - VQF demuxer

  1366. - Alpha channel scaler

  1367. - PCX encoder

  1368. - RTP packetization of H.263

  1369. - RTP packetization of AMR

  1370. - RTP depacketization of Vorbis

  1371. - CorePNG decoding support

  1372. - Cook multichannel decoding support

  1373. - introduced avlanguage helpers in libavformat

  1374. - 8088flex TMV demuxer and decoder

  1375. - per-stream language-tags extraction in asfdec

  1376. - V210 decoder and encoder

  1377. - remaining GPL parts in AC-3 decoder converted to LGPL

  1378. - QCP demuxer

  1379. - SoX native format muxer and demuxer

  1380. - AMR-NB decoding/encoding, AMR-WB decoding via OpenCORE libraries

  1381. - DPX image decoder

  1382. - Electronic Arts Madcow decoder

  1383. - DivX (XSUB) subtitle encoder

  1384. - nonfree libamr support for AMR-NB/WB decoding/encoding removed

  1385. - experimental AAC encoder

  1386. - RTP depacketization of ASF and RTSP from WMS servers

  1387. - RTMP support in libavformat

  1388. - noX handling for OPT_BOOL X options

  1389. - Wave64 demuxer

  1390. - IEC-61937 compatible Muxer

  1391. - TwinVQ decoder

  1392. - Bluray (PGS) subtitle decoder

  1393. - LPCM support in MPEG-TS (HDMV RID as found on Blu-ray disks)

  1394. - WMA Pro decoder

  1395. - Core Audio Format demuxer

  1396. - ATRAC1 decoder

  1397. - MD STUDIO audio demuxer

  1398. - RF64 support in WAV demuxer

  1399. - MPEG-4 Audio Lossless Coding (ALS) decoder

  1400. - -formats option split into -formats, -codecs, -bsfs, and -protocols

  1401. - IV8 demuxer

  1402. - CDG demuxer and decoder

  1403. - R210 decoder

  1404. - Auravision Aura 1 and 2 decoders

  1405. - Deluxe Paint Animation playback system

  1406. - SIPR decoder

  1407. - Adobe Filmstrip muxer and demuxer

  1408. - RTP depacketization of H.263

  1409. - Bink demuxer and audio/video decoders

  1410. - enable symbol versioning by default for linkers that support it

  1411. - IFF PBM/ILBM bitmap decoder

  1412. - concat protocol

  1413. - Indeo 5 decoder

  1414. - RTP depacketization of AMR

  1415. - WMA Voice decoder

  1416. - ffprobe tool

  1417. - AMR-NB decoder

  1418. - RTSP muxer

  1419. - HE-AAC v1 decoder

  1420. - Kega Game Video (KGV1) decoder

  1421. - VorbisComment writing for FLAC, Ogg FLAC and Ogg Speex files

  1422. - RTP depacketization of Theora

  1423. - HTTP Digest authentication

  1424. - RTMP/RTMPT/RTMPS/RTMPE/RTMPTE protocol support via librtmp

  1425. - Psygnosis YOP demuxer and video decoder

  1426. - spectral extension support in the E-AC-3 decoder

  1427. - unsharp video filter

  1428. - RTP hinting in the mov/3gp/mp4 muxer

  1429. - Dirac in Ogg demuxing

  1430. - seek to keyframes in Ogg

  1431. - 4:2:2 and 4:4:4 Theora decoding

  1432. - 35% faster VP3/Theora decoding

  1433. - faster AAC decoding

  1434. - faster H.264 decoding

  1435. - RealAudio 1.0 (14.4K) encoder

  1436. 

  1437. 

  1438. version 0.5:

  1439. 

  1440. - DV50 AKA DVCPRO50 encoder, decoder, muxer and demuxer

  1441. - TechSmith Camtasia (TSCC) video decoder

  1442. - IBM Ultimotion (ULTI) video decoder

  1443. - Sierra Online audio file demuxer and decoder

  1444. - Apple QuickDraw (qdrw) video decoder

  1445. - Creative ADPCM audio decoder (16 bits as well as 8 bits schemes)

  1446. - Electronic Arts Multimedia (WVE/UV2/etc.) file demuxer

  1447. - Miro VideoXL (VIXL) video decoder

  1448. - H.261 video encoder

  1449. - QPEG video decoder

  1450. - Nullsoft Video (NSV) file demuxer

  1451. - Shorten audio decoder

  1452. - LOCO video decoder

  1453. - Apple Lossless Audio Codec (ALAC) decoder

  1454. - Winnov WNV1 video decoder

  1455. - Autodesk Animator Studio Codec (AASC) decoder

  1456. - Indeo 2 video decoder

  1457. - Fraps FPS1 video decoder

  1458. - Snow video encoder/decoder

  1459. - Sonic audio encoder/decoder

  1460. - Vorbis audio decoder

  1461. - Macromedia ADPCM decoder

  1462. - Duck TrueMotion 2 video decoder

  1463. - support for decoding FLX and DTA extensions in FLIC files

  1464. - H.264 custom quantization matrices support

  1465. - ffserver fixed, it should now be usable again

  1466. - QDM2 audio decoder

  1467. - Real Cooker audio decoder

  1468. - TrueSpeech audio decoder

  1469. - WMA2 audio decoder fixed, now all files should play correctly

  1470. - RealAudio 14.4 and 28.8 decoders fixed

  1471. - JPEG-LS decoder

  1472. - build system improvements

  1473. - tabs and trailing whitespace removed from the codebase

  1474. - CamStudio video decoder

  1475. - AIFF/AIFF-C audio format, encoding and decoding

  1476. - ADTS AAC file reading and writing

  1477. - Creative VOC file reading and writing

  1478. - American Laser Games multimedia (*.mm) playback system

  1479. - Zip Motion Blocks Video decoder

  1480. - improved Theora/VP3 decoder

  1481. - True Audio (TTA) decoder

  1482. - AVS demuxer and video decoder

  1483. - JPEG-LS encoder

  1484. - Smacker demuxer and decoder

  1485. - NuppelVideo/MythTV demuxer and RTjpeg decoder

  1486. - KMVC decoder

  1487. - MPEG-2 intra VLC support

  1488. - MPEG-2 4:2:2 encoder

  1489. - Flash Screen Video decoder

  1490. - GXF demuxer

  1491. - Chinese AVS decoder

  1492. - GXF muxer

  1493. - MXF demuxer

  1494. - VC-1/WMV3/WMV9 video decoder

  1495. - MacIntel support

  1496. - AviSynth support

  1497. - VMware video decoder

  1498. - VP5 video decoder

  1499. - VP6 video decoder

  1500. - WavPack lossless audio decoder

  1501. - Targa (.TGA) picture decoder

  1502. - Vorbis audio encoder

  1503. - Delphine Software .cin demuxer/audio and video decoder

  1504. - Tiertex .seq demuxer/video decoder

  1505. - MTV demuxer

  1506. - TIFF picture encoder and decoder

  1507. - GIF picture decoder

  1508. - Intel Music Coder decoder

  1509. - Zip Motion Blocks Video encoder

  1510. - Musepack decoder

  1511. - Flash Screen Video encoder

  1512. - Theora encoding via libtheora

  1513. - BMP encoder

  1514. - WMA encoder

  1515. - GSM-MS encoder and decoder

  1516. - DCA decoder

  1517. - DXA demuxer and decoder

  1518. - DNxHD decoder

  1519. - Gamecube movie (.THP) playback system

  1520. - Blackfin optimizations

  1521. - Interplay C93 demuxer and video decoder

  1522. - Bethsoft VID demuxer and video decoder

  1523. - CRYO APC demuxer

  1524. - ATRAC3 decoder

  1525. - V.Flash PTX decoder

  1526. - RoQ muxer, RoQ audio encoder

  1527. - Renderware TXD demuxer and decoder

  1528. - extern C declarations for C++ removed from headers

  1529. - sws_flags command line option

  1530. - codebook generator

  1531. - RoQ video encoder

  1532. - QTRLE encoder

  1533. - OS/2 support removed and restored again

  1534. - AC-3 decoder

  1535. - NUT muxer

  1536. - additional SPARC (VIS) optimizations

  1537. - Matroska muxer

  1538. - slice-based parallel H.264 decoding

  1539. - Monkey's Audio demuxer and decoder

  1540. - AMV audio and video decoder

  1541. - DNxHD encoder

  1542. - H.264 PAFF decoding

  1543. - Nellymoser ASAO decoder

  1544. - Beam Software SIFF demuxer and decoder

  1545. - libvorbis Vorbis decoding removed in favor of native decoder

  1546. - IntraX8 (J-Frame) subdecoder for WMV2 and VC-1

  1547. - Ogg (Theora, Vorbis and FLAC) muxer

  1548. - The "device" muxers and demuxers are now in a new libavdevice library

  1549. - PC Paintbrush PCX decoder

  1550. - Sun Rasterfile decoder

  1551. - TechnoTrend PVA demuxer

  1552. - Linux Media Labs MPEG-4 (LMLM4) demuxer

  1553. - AVM2 (Flash 9) SWF muxer

  1554. - QT variant of IMA ADPCM encoder

  1555. - VFW grabber

  1556. - iPod/iPhone compatible mp4 muxer

  1557. - Mimic decoder

  1558. - MSN TCP Webcam stream demuxer

  1559. - RL2 demuxer / decoder

  1560. - IFF demuxer

  1561. - 8SVX audio decoder

  1562. - non-recursive Makefiles

  1563. - BFI demuxer

  1564. - MAXIS EA XA (.xa) demuxer / decoder

  1565. - BFI video decoder

  1566. - OMA demuxer

  1567. - MLP/TrueHD decoder

  1568. - Electronic Arts CMV decoder

  1569. - Motion Pixels Video decoder

  1570. - Motion Pixels MVI demuxer

  1571. - removed animated GIF decoder/demuxer

  1572. - D-Cinema audio muxer

  1573. - Electronic Arts TGV decoder

  1574. - Apple Lossless Audio Codec (ALAC) encoder

  1575. - AAC decoder

  1576. - floating point PCM encoder/decoder

  1577. - MXF muxer

  1578. - DV100 AKA DVCPRO HD decoder and demuxer

  1579. - E-AC-3 support added to AC-3 decoder

  1580. - Nellymoser ASAO encoder

  1581. - ASS and SSA demuxer and muxer

  1582. - liba52 wrapper removed

  1583. - SVQ3 watermark decoding support

  1584. - Speex decoding via libspeex

  1585. - Electronic Arts TGQ decoder

  1586. - RV40 decoder

  1587. - QCELP / PureVoice decoder

  1588. - RV30 decoder

  1589. - hybrid WavPack support

  1590. - R3D REDCODE demuxer

  1591. - ALSA support for playback and record

  1592. - Electronic Arts TQI decoder

  1593. - OpenJPEG based JPEG 2000 decoder

  1594. - NC (NC4600) camera file demuxer

  1595. - Gopher client support

  1596. - MXF D-10 muxer

  1597. - generic metadata API

  1598. - flash ScreenVideo2 encoder

  1599. 

  1600. 

  1601. version 0.4.9-pre1:

  1602. 

  1603. - DV encoder, DV muxer

  1604. - Microsoft RLE video decoder

  1605. - Microsoft Video-1 decoder

  1606. - Apple Animation (RLE) decoder

  1607. - Apple Graphics (SMC) decoder

  1608. - Apple Video (RPZA) decoder

  1609. - Cinepak decoder

  1610. - Sega FILM (CPK) file demuxer

  1611. - Westwood multimedia support (VQA & AUD files)

  1612. - Id Quake II CIN playback support

  1613. - 8BPS video decoder

  1614. - FLIC playback support

  1615. - RealVideo 2.0 (RV20) decoder

  1616. - Duck TrueMotion v1 (DUCK) video decoder

  1617. - Sierra VMD demuxer and video decoder

  1618. - MSZH and ZLIB decoder support

  1619. - SVQ1 video encoder

  1620. - AMR-WB support

  1621. - PPC optimizations

  1622. - rate distortion optimal cbp support

  1623. - rate distorted optimal ac prediction for MPEG-4

  1624. - rate distorted optimal lambda->qp support

  1625. - AAC encoding with libfaac

  1626. - Sunplus JPEG codec (SP5X) support

  1627. - use Lagrange multiplier instead of QP for ratecontrol

  1628. - Theora/VP3 decoding support

  1629. - XA and ADX ADPCM codecs

  1630. - export MPEG-2 active display area / pan scan

  1631. - Add support for configuring with IBM XLC

  1632. - floating point AAN DCT

  1633. - initial support for zygo video (not complete)

  1634. - RGB ffv1 support

  1635. - new audio/video parser API

  1636. - av_log() system

  1637. - av_read_frame() and av_seek_frame() support

  1638. - missing last frame fixes

  1639. - seek by mouse in ffplay

  1640. - noise reduction of DCT coefficients

  1641. - H.263 OBMC & 4MV support

  1642. - H.263 alternative inter vlc support

  1643. - H.263 loop filter

  1644. - H.263 slice structured mode

  1645. - interlaced DCT support for MPEG-2 encoding

  1646. - stuffing to stay above min_bitrate

  1647. - MB type & QP visualization

  1648. - frame stepping for ffplay

  1649. - interlaced motion estimation

  1650. - alternate scantable support

  1651. - SVCD scan offset support

  1652. - closed GOP support

  1653. - SSE2 FDCT

  1654. - quantizer noise shaping

  1655. - G.726 ADPCM audio codec

  1656. - MS ADPCM encoding

  1657. - multithreaded/SMP motion estimation

  1658. - multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263

  1659. - multithreaded/SMP decoding for MPEG-2

  1660. - FLAC decoder

  1661. - Metrowerks CodeWarrior suppport

  1662. - H.263+ custom pcf support

  1663. - nicer output for 'ffmpeg -formats'

  1664. - Matroska demuxer

  1665. - SGI image format, encoding and decoding

  1666. - H.264 loop filter support

  1667. - H.264 CABAC support

  1668. - nicer looking arrows for the motion vector visualization

  1669. - improved VCD support

  1670. - audio timestamp drift compensation

  1671. - MPEG-2 YUV 422/444 support

  1672. - polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample

  1673. - better image scaling

  1674. - H.261 support

  1675. - correctly interleave packets during encoding

  1676. - VIS optimized motion compensation

  1677. - intra_dc_precision>0 encoding support

  1678. - support reuse of motion vectors/MB types/field select values of the source video

  1679. - more accurate deblock filter

  1680. - padding support

  1681. - many optimizations and bugfixes

  1682. - FunCom ISS audio file demuxer and according ADPCM decoding

  1683. 

  1684. 

  1685. version 0.4.8:

  1686. 

  1687. - MPEG-2 video encoding (Michael)

  1688. - Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)

  1689. - Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson

  1690.   and Mario Brito)

  1691. - Xan DPCM audio decoder (Mario Brito)

  1692. - Interplay MVE playback subsystem (Mike Melanson)

  1693. - Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)

  1694. 

  1695. 

  1696. version 0.4.7:

  1697. 

  1698. - RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from mplayerhq

  1699.   (originally from public domain player for Amiga at http://www.honeypot.net/audio)

  1700. - current version now also compiles with older GCC (Fabrice)

  1701. - 4X multimedia playback system including 4xm file demuxer (Mike

  1702.   Melanson), and 4X video and audio codecs (Michael)

  1703. - Creative YUV (CYUV) decoder (Mike Melanson)

  1704. - FFV1 codec (our very simple lossless intra only codec, compresses much better

  1705.   than HuffYUV) (Michael)

  1706. - ASV1 (Asus), H.264, Intel indeo3 codecs have been added (various)

  1707. - tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with

  1708.   alpha support), JPEG YUV colorspace support. (Fabrice Bellard)

  1709. - ffplay has been replaced with a newer version which uses SDL (optionally)

  1710.   for multiplatform support (Fabrice)

  1711. - Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated

  1712.   by anonymous

  1713. - AMR format has been added (Johannes Carlsson)

  1714. - 3GP support has been added (Johannes Carlsson)

  1715. - VP3 codec has been added (Mike Melanson)

  1716. - more MPEG-1/2 fixes

  1717. - better multiplatform support, MS Visual Studio fixes (various)

  1718. - AltiVec optimizations (Magnus Damn and others)

  1719. - SH4 processor support has been added (BERO)

  1720. - new public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)

  1721. - VOB streaming support (Brian Foley)

  1722. - better MP3 autodetection (Andriy Rysin)

  1723. - qpel encoding (Michael)

  1724. - 4mv+b frames encoding finally fixed (Michael)

  1725. - chroma ME (Michael)

  1726. - 5 comparison functions for ME (Michael)

  1727. - B-frame encoding speedup (Michael)

  1728. - WMV2 codec (unfinished - Michael)

  1729. - user specified diamond size for EPZS (Michael)

  1730. - Playstation STR playback subsystem, still experimental (Mike and Michael)

  1731. - ASV2 codec (Michael)

  1732. - CLJR decoder (Alex)

  1733. 

  1734. .. And lots more new enhancements and fixes.

  1735. 

  1736. 

  1737. version 0.4.6:

  1738. 

  1739. - completely new integer only MPEG audio layer 1/2/3 decoder rewritten

  1740.   from scratch

  1741. - Recoded DCT and motion vector search with gcc (no longer depends on nasm)

  1742. - fix quantization bug in AC3 encoder

  1743. - added PCM codecs and format. Corrected WAV/AVI/ASF PCM issues

  1744. - added prototype ffplay program

  1745. - added GOB header parsing on H.263/H.263+ decoder (Juanjo)

  1746. - bug fix on MCBPC tables of H.263 (Juanjo)

  1747. - bug fix on DC coefficients of H.263 (Juanjo)

  1748. - added Advanced Prediction Mode on H.263/H.263+ decoder (Juanjo)

  1749. - now we can decode H.263 streams found in QuickTime files (Juanjo)

  1750. - now we can decode H.263 streams found in VIVO v1 files(Juanjo)

  1751. - preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)

  1752. - added GOB header for H.263/H.263+ coding on RTP mode (Juanjo)

  1753. - now H.263 picture size is returned on the first decoded frame (Juanjo)

  1754. - added first regression tests

  1755. - added MPEG-2 TS demuxer

  1756. - new demux API for libav

  1757. - more accurate and faster IDCT (Michael)

  1758. - faster and entropy-controlled motion search (Michael)

  1759. - two pass video encoding (Michael)

  1760. - new video rate control (Michael)

  1761. - added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)

  1762. - great performance improvement of video encoders and decoders (Michael)

  1763. - new and faster bit readers and vlc parsers (Michael)

  1764. - high quality encoding mode: tries all macroblock/VLC types (Michael)

  1765. - added DV video decoder

  1766. - preliminary RTP/RTSP support in ffserver and libavformat

  1767. - H.263+ AIC decoding/encoding support (Juanjo)

  1768. - VCD MPEG-PS mode (Juanjo)

  1769. - PSNR stuff (Juanjo)

  1770. - simple stats output (Juanjo)

  1771. - 16-bit and 15-bit RGB/BGR/GBR support (Bisqwit)

  1772. 

  1773. 

  1774. version 0.4.5:

  1775. 

  1776. - some header fixes (Zdenek Kabelac <kabi at informatics.muni.cz>)

  1777. - many MMX optimizations (Nick Kurshev <nickols_k at mail.ru>)

  1778. - added configure system (actually a small shell script)

  1779. - added MPEG audio layer 1/2/3 decoding using LGPL'ed mpglib by

  1780.   Michael Hipp (temporary solution - waiting for integer only

  1781.   decoder)

  1782. - fixed VIDIOCSYNC interrupt

  1783. - added Intel H.263 decoding support ('I263' AVI fourCC)

  1784. - added Real Video 1.0 decoding (needs further testing)

  1785. - simplified image formats again. Added PGM format (=grey

  1786.   pgm). Renamed old PGM to PGMYUV.

  1787. - fixed msmpeg4 slice issues (tell me if you still find problems)

  1788. - fixed OpenDivX bugs with newer versions (added VOL header decoding)

  1789. - added support for MPlayer interface

  1790. - added macroblock skip optimization

  1791. - added MJPEG decoder

  1792. - added mmx/mmxext IDCT from libmpeg2

  1793. - added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer

  1794.   <celer at shell.scrypt.net>)

  1795. - added pixel format conversion layer (e.g. for MJPEG or PPM)

  1796. - added deinterlacing option

  1797. - MPEG-1/2 fixes

  1798. - MPEG-4 vol header fixes (Jonathan Marsden <snmjbm at pacbell.net>)

  1799. - ARM optimizations (Lionel Ulmer <lionel.ulmer at free.fr>).

  1800. - Windows porting of file converter

  1801. - added MJPEG raw format (input/output)

  1802. - added JPEG image format support (input/output)

  1803. 

  1804. 

  1805. version 0.4.4:

  1806. 

  1807. - fixed some std header definitions (Bjorn Lindgren

  1808.   <bjorn.e.lindgren at telia.com>).

  1809. - added MPEG demuxer (MPEG-1 and 2 compatible).

  1810. - added ASF demuxer

  1811. - added prototype RM demuxer

  1812. - added AC3 decoding (done with libac3 by Aaron Holtzman)

  1813. - added decoding codec parameter guessing (.e.g. for MPEG, because the

  1814.   header does not include them)

  1815. - fixed header generation in MPEG-1, AVI and ASF muxer: wmplayer can now

  1816.   play them (only tested video)

  1817. - fixed H.263 white bug

  1818. - fixed phase rounding in img resample filter

  1819. - add MMX code for polyphase img resample filter

  1820. - added CPU autodetection

  1821. - added generic title/author/copyright/comment string handling (ASF and RM

  1822.   use them)

  1823. - added SWF demux to extract MP3 track (not usable yet because no MP3

  1824.   decoder)

  1825. - added fractional frame rate support

  1826. - codecs are no longer searched by read_header() (should fix ffserver

  1827.   segfault)

  1828. 

  1829. 

  1830. version 0.4.3:

  1831. 

  1832. - BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq at amsat.org>)

  1833. - fixed raw yuv output

  1834. - added motion rounding support in MPEG-4

  1835. - fixed motion bug rounding in MSMPEG4

  1836. - added B-frame handling in video core

  1837. - added full MPEG-1 decoding support

  1838. - added partial (frame only) MPEG-2 support

  1839. - changed the FOURCC code for H.263 to "U263" to be able to see the

  1840.   +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with

  1841.   this +codec ;) (JuanJo).

  1842. - Halfpel motion estimation after MB type selection (JuanJo)

  1843. - added pgm and .Y.U.V output format

  1844. - suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or

  1845.   output.

  1846. - added pgmpipe I/O format (original patch from Martin Aumueller

  1847.   <lists at reserv.at>, but changed completely since we use a format

  1848.   instead of a protocol)

  1849. 

  1850. 

  1851. version 0.4.2:

  1852. 

  1853. - added H.263/MPEG-4/MSMPEG4 decoding support. MPEG-4 decoding support

  1854.   (for OpenDivX) is almost complete: 8x8 MVs and rounding are

  1855.   missing. MSMPEG4 support is complete.

  1856. - added prototype MPEG-1 decoder. Only I- and P-frames handled yet (it

  1857.   can decode ffmpeg MPEGs :-)).

  1858. - added libavcodec API documentation (see apiexample.c).

  1859. - fixed image polyphase bug (the bottom of some images could be

  1860.   greenish)

  1861. - added support for non clipped motion vectors (decoding only)

  1862.   and image sizes non-multiple of 16

  1863. - added support for AC prediction (decoding only)

  1864. - added file overwrite confirmation (can be disabled with -y)

  1865. - added custom size picture to H.263 using H.263+ (Juanjo)

  1866. 

  1867. 

  1868. version 0.4.1:

  1869. 

  1870. - added MSMPEG4 (aka DivX) compatible encoder. Changed default codec

  1871.   of AVI and ASF to DIV3.

  1872. - added -me option to set motion estimation method

  1873.   (default=log). suppressed redundant -hq option.

  1874. - added options -acodec and -vcodec to force a given codec (useful for

  1875.   AVI for example)

  1876. - fixed -an option

  1877. - improved dct_quantize speed

  1878. - factorized some motion estimation code

  1879. 

  1880. 

  1881. version 0.4.0:

  1882. 

  1883. - removing grab code from ffserver and moved it to ffmpeg. Added

  1884.   multistream support to ffmpeg.

  1885. - added timeshifting support for live feeds (option ?date=xxx in the

  1886.   URL)

  1887. - added high quality image resize code with polyphase filter (need

  1888.   mmx/see optimization). Enable multiple image size support in ffserver.

  1889. - added multi live feed support in ffserver

  1890. - suppressed master feature from ffserver (it should be done with an

  1891.   external program which opens the .ffm url and writes it to another

  1892.   ffserver)

  1893. - added preliminary support for video stream parsing (WAV and AVI half

  1894.   done). Added proper support for audio/video file conversion in

  1895.   ffmpeg.

  1896. - added preliminary support for video file sending from ffserver

  1897. - redesigning I/O subsystem: now using URL based input and output

  1898.   (see avio.h)

  1899. - added WAV format support

  1900. - added "tty user interface" to ffmpeg to stop grabbing gracefully

  1901. - added MMX/SSE optimizations to SAD (Sums of Absolutes Differences)

  1902.   (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo at atmlab.utfsm.cl>)

  1903. - added MMX DCT from mpeg2_movie 1.5 (Juanjo)

  1904. - added new motion estimation algorithms, log and phods (Juanjo)

  1905. - changed directories: libav for format handling, libavcodec for

  1906.   codecs

  1907. 

  1908. 

  1909. version 0.3.4:

  1910. 

  1911. - added stereo in MPEG audio encoder

  1912. 

  1913. 

  1914. version 0.3.3:

  1915. 

  1916. - added 'high quality' mode which use motion vectors. It can be used in

  1917.   real time at low resolution.

  1918. - fixed rounding problems which caused quality problems at high

  1919.   bitrates and large GOP size

  1920. 

  1921. 

  1922. version 0.3.2: small fixes

  1923. 

  1924. - ASF fixes

  1925. - put_seek bug fix

  1926. 

  1927. 

  1928. version 0.3.1: added avi/divx support

  1929. 

  1930. - added AVI support

  1931. - added MPEG-4 codec compatible with OpenDivX. It is based on the H.263 codec

  1932. - added sound for flash format (not tested)

  1933. 

  1934. 

  1935. version 0.3: initial public release