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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. 

  40. 

  41. version 4.3:

  42. - v360 filter

  43. - Intel QSV-accelerated MJPEG decoding

  44. - Intel QSV-accelerated VP9 decoding

  45. - Support for TrueHD in mp4

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

  47. - IMM5 video decoder

  48. - ZeroMQ protocol

  49. - support Sipro ACELP.KELVIN decoding

  50. - streamhash muxer

  51. - sierpinski video source

  52. - scroll video filter

  53. - photosensitivity filter

  54. - anlms filter

  55. - arnndn filter

  56. - bilateral filter

  57. - maskedmin and maskedmax filters

  58. - VDPAU VP9 hwaccel

  59. - median filter

  60. - QSV-accelerated VP9 encoding

  61. - AV1 encoding support via librav1e

  62. - AV1 frame merge bitstream filter

  63. - AV1 Annex B demuxer

  64. - axcorrelate filter

  65. - mvdv decoder

  66. - mvha decoder

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

  68. - thistogram filter

  69. - freezeframes filter

  70. - Argonaut Games ADPCM decoder

  71. - Argonaut Games ASF demuxer

  72. - xfade video filter

  73. - xfade_opencl filter

  74. - afirsrc audio filter source

  75. - pad_opencl filter

  76. - Simon & Schuster Interactive ADPCM decoder

  77. - Real War KVAG demuxer

  78. - CDToons video decoder

  79. - siren audio decoder

  80. - Rayman 2 ADPCM decoder

  81. - Rayman 2 APM demuxer

  82. - cas video filter

  83. - High Voltage Software ADPCM decoder

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

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

  86. - Vulkan support

  87. - avgblur_vulkan, overlay_vulkan, scale_vulkan and chromaber_vulkan filters

  88. - ADPCM IMA MTF decoder

  89. - FWSE demuxer

  90. - DERF DPCM decoder

  91. - DERF demuxer

  92. - CRI HCA decoder

  93. - CRI HCA demuxer

  94. - overlay_cuda filter

  95. - switch from AvxSynth to AviSynth+ on Linux

  96. - mv30 decoder

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

  98. - WebP parser

  99. - tmedian filter

  100. - maskedthreshold filter

  101. - Support for muxing pcm and pgs in m2ts

  102. - Cunning Developments ADPCM decoder

  103. - asubboost filter

  104. - Pro Pinball Series Soundbank demuxer

  105. - pcm_rechunk bitstream filter

  106. - scdet filter

  107. - NotchLC decoder

  108. - gradients source video filter

  109. - MediaFoundation encoder wrapper

  110. - untile filter

  111. - Simon & Schuster Interactive ADPCM encoder

  112. - PFM decoder

  113. - dblur video filter

  114. - Real War KVAG muxer

  115. 

  116. 

  117. version 4.2:

  118. - tpad filter

  119. - AV1 decoding support through libdav1d

  120. - dedot filter

  121. - chromashift and rgbashift filters

  122. - freezedetect filter

  123. - truehd_core bitstream filter

  124. - dhav demuxer

  125. - PCM-DVD encoder

  126. - GIF parser

  127. - vividas demuxer

  128. - hymt decoder

  129. - anlmdn filter

  130. - maskfun filter

  131. - hcom demuxer and decoder

  132. - ARBC decoder

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

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

  135. - removed libndi-newtek

  136. - agm decoder

  137. - KUX demuxer

  138. - AV1 frame split bitstream filter

  139. - lscr decoder

  140. - lagfun filter

  141. - asoftclip filter

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

  143. - colorhold filter

  144. - xmedian filter

  145. - asr filter

  146. - showspatial multimedia filter

  147. - VP4 video decoder

  148. - IFV demuxer

  149. - derain filter

  150. - deesser filter

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

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

  153. 

  154. 

  155. version 4.1:

  156. - deblock filter

  157. - tmix filter

  158. - amplify filter

  159. - fftdnoiz filter

  160. - aderivative and aintegral audio filters

  161. - pal75bars and pal100bars video filter sources

  162. - support mbedTLS based TLS

  163. - adeclick filter

  164. - adeclip filter

  165. - libtensorflow backend for DNN based filters like srcnn

  166. - vc1 decoder is now bit-exact

  167. - ATRAC9 decoder

  168. - lensfun wrapper filter

  169. - colorconstancy filter

  170. - AVS2 video decoder via libdavs2

  171. - IMM4 video decoder

  172. - Brooktree ProSumer video decoder

  173. - MatchWare Screen Capture Codec decoder

  174. - WinCam Motion Video decoder

  175. - 1D LUT filter (lut1d)

  176. - RemotelyAnywhere Screen Capture decoder

  177. - cue and acue filters

  178. - support for AV1 in MP4

  179. - transpose_npp filter

  180. - AVS2 video encoder via libxavs2

  181. - amultiply filter

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

  183. - acrossover filter

  184. - ilbc decoder

  185. - audio denoiser as afftdn filter

  186. - AV1 parser

  187. - SER demuxer

  188. - sinc audio filter source

  189. - chromahold filter

  190. - setparams filter

  191. - vibrance filter

  192. - decoding S12M timecode in h264

  193. - xstack filter

  194. - pcm vidc decoder and encoder

  195. - (a)graphmonitor filter

  196. - yadif_cuda filter

  197. 

  198. 

  199. version 4.0:

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

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

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

  203. - VDA dropped (use VideoToolbox instead)

  204. - MagicYUV encoder

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

  206. - TiVo ty/ty+ demuxer

  207. - Intel QSV-accelerated MJPEG encoding

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

  209. - native aptX and aptX HD encoder and decoder

  210. - Raw aptX and aptX HD muxer and demuxer

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

  212. - Intel QSV-accelerated overlay filter

  213. - mcompand audio filter

  214. - acontrast audio filter

  215. - OpenCL overlay filter

  216. - video mix filter

  217. - video normalize filter

  218. - audio lv2 wrapper filter

  219. - VAAPI MJPEG and VP8 decoding

  220. - AMD AMF H.264 and HEVC encoders

  221. - video fillborders filter

  222. - video setrange filter

  223. - nsp demuxer

  224. - support LibreSSL (via libtls)

  225. - AVX-512/ZMM support added

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

  227.   version is Windows Vista.

  228. - deconvolve video filter

  229. - entropy video filter

  230. - hilbert audio filter source

  231. - aiir audio filter

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

  233. - Removed the ffserver program

  234. - Removed the ffmenc and ffmdec muxer and demuxer

  235. - VideoToolbox HEVC encoder and hwaccel

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

  237. - Add android_camera indev

  238. - codec2 en/decoding via libcodec2

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

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

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

  242. - native SBC encoder and decoder

  243. - drmeter audio filter

  244. - hapqa_extract bitstream filter

  245. - filter_units bitstream filter

  246. - AV1 Support through libaom

  247. - E-AC-3 dependent frames support

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

  249. - Haivision SRT protocol via libsrt

  250. - segafilm muxer

  251. - vfrdet filter

  252. - SRCNN filter

  253. 

  254. 

  255. version 3.4:

  256. - deflicker video filter

  257. - doubleweave video filter

  258. - lumakey video filter

  259. - pixscope video filter

  260. - oscilloscope video filter

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

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

  263. - afir audio filter

  264. - scale_cuda CUDA based video scale filter

  265. - librsvg support for svg rasterization

  266. - crossfeed audio filter

  267. - spec compliant VP9 muxing support in MP4

  268. - remove the libnut muxer/demuxer wrappers

  269. - remove the libschroedinger encoder/decoder wrappers

  270. - surround audio filter

  271. - sofalizer filter switched to libmysofa

  272. - Gremlin Digital Video demuxer and decoder

  273. - headphone audio filter

  274. - superequalizer audio filter

  275. - roberts video filter

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

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

  278. - additional frame format support for Interplay MVE movies

  279. - support for decoding through D3D11VA in ffmpeg

  280. - limiter video filter

  281. - libvmaf video filter

  282. - Dolby E decoder and SMPTE 337M demuxer

  283. - unpremultiply video filter

  284. - tlut2 video filter

  285. - floodfill video filter

  286. - pseudocolor video filter

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

  288. - NewTek NDI input/output device

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

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

  291.   They must always be used by name.

  292. - FITS demuxer and decoder

  293. - FITS muxer and encoder

  294. - add --disable-autodetect build switch

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

  296. - despill video filter

  297. - haas audio filter

  298. - SUP/PGS subtitle muxer

  299. - convolve video filter

  300. - VP9 tile threading support

  301. - KMS screen grabber

  302. - CUDA thumbnail filter

  303. - V4L2 mem2mem HW assisted codecs

  304. - Rockchip MPP hardware decoding

  305. - vmafmotion video filter

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

  307. 

  308. 

  309. version 3.3:

  310. - CrystalHD decoder moved to new decode API

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

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

  313. - premultiply video filter

  314. - Support for spherical videos

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

  316. - PSD Decoder

  317. - 16.8 floating point pcm decoder

  318. - 24.0 floating point pcm decoder

  319. - Apple Pixlet decoder

  320. - QDMC audio decoder

  321. - NewTek SpeedHQ decoder

  322. - MIDI Sample Dump Standard demuxer

  323. - readeia608 filter

  324. - Sample Dump eXchange demuxer

  325. - abitscope multimedia filter

  326. - Scenarist Closed Captions demuxer and muxer

  327. - threshold filter

  328. - midequalizer filter

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

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

  331. - FM Screen Capture Codec decoder

  332. - native Opus encoder

  333. - ScreenPressor decoder

  334. - incomplete ClearVideo decoder

  335. - Intel QSV video scaling and deinterlacing filters

  336. - Support MOV with multiple sample description tables

  337. - XPM decoder

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

  339. - MPEG-7 Video Signature filter

  340. - Removed asyncts filter (use af_aresample instead)

  341. - Intel QSV-accelerated VP8 video decoding

  342. - VAAPI-accelerated deinterlacing

  343. 

  344. 

  345. version 3.2:

  346. - libopenmpt demuxer

  347. - tee protocol

  348. - Changed metadata print option to accept general urls

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

  350. - VP8 in Ogg muxing

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

  352. - 16-bit support in curves filter and selectivecolor filter

  353. - OpenH264 decoder wrapper

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

  355. - True Audio (TTA) muxer

  356. - crystalizer audio filter

  357. - acrusher audio filter

  358. - bitplanenoise video filter

  359. - floating point support in als decoder

  360. - fifo muxer

  361. - maskedclamp filter

  362. - hysteresis filter

  363. - lut2 filter

  364. - yuvtestsrc filter

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

  366. - vaguedenoiser filter

  367. - added threads option per filter instance

  368. - weave filter

  369. - gblur filter

  370. - avgblur filter

  371. - sobel and prewitt filter

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

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

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

  375. - sdl2 output device and ffplay support

  376. - sdl1 output device and sdl1 support removed

  377. - extended mov edit list support

  378. - libfaac encoder removed

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

  380. - sidedata video and asidedata audio filter

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

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

  383. 

  384. 

  385. version 3.1:

  386. - DXVA2-accelerated HEVC Main10 decoding

  387. - fieldhint filter

  388. - loop video filter and aloop audio filter

  389. - Bob Weaver deinterlacing filter

  390. - firequalizer filter

  391. - datascope filter

  392. - bench and abench filters

  393. - ciescope filter

  394. - protocol blacklisting API

  395. - MediaCodec H264 decoding

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

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

  398. - AudioToolbox audio decoders

  399. - AudioToolbox audio encoders

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

  401. - libdcadec removed

  402. - bitstream filter for extracting DTS core

  403. - ADPCM IMA DAT4 decoder

  404. - musx demuxer

  405. - aix demuxer

  406. - remap filter

  407. - hash and framehash muxers

  408. - colorspace filter

  409. - hdcd filter

  410. - readvitc filter

  411. - VAAPI-accelerated format conversion and scaling

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

  413. - Duck TrueMotion 2.0 Real Time decoder

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

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

  416. - DTS Express (LBR) decoder

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

  418. - IFF ANIM demuxer & decoder

  419. - Direct Stream Transfer (DST) decoder

  420. - loudnorm filter

  421. - MTAF demuxer and decoder

  422. - MagicYUV decoder

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

  424. - BitJazz SheerVideo decoder

  425. - CUDA CUVID H264/HEVC decoder

  426. - 10-bit depth support in native utvideo decoder

  427. - libutvideo wrapper removed

  428. - YUY2 Lossless Codec decoder

  429. - VideoToolbox H.264 encoder

  430. 

  431. 

  432. version 3.0:

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

  434. - DXV decoding

  435. - extrastereo filter

  436. - ocr filter

  437. - alimiter filter

  438. - stereowiden filter

  439. - stereotools filter

  440. - rubberband filter

  441. - tremolo filter

  442. - agate filter

  443. - chromakey filter

  444. - maskedmerge filter

  445. - Screenpresso SPV1 decoding

  446. - chromaprint fingerprinting muxer

  447. - ffplay dynamic volume control

  448. - displace filter

  449. - selectivecolor filter

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

  451. - ADPCM PSX decoder

  452. - 3dostr, dcstr, fsb, genh, vag, xvag, ads, msf, svag & vpk demuxer

  453. - zscale filter

  454. - wve demuxer

  455. - zero-copy Intel QSV transcoding in ffmpeg

  456. - shuffleframes filter

  457. - SDX2 DPCM decoder

  458. - vibrato filter

  459. - innoHeim/Rsupport Screen Capture Codec decoder

  460. - ADPCM AICA decoder

  461. - Interplay ACM demuxer and audio decoder

  462. - XMA1 & XMA2 decoder

  463. - realtime filter

  464. - anoisesrc audio filter source

  465. - IVR demuxer

  466. - compensationdelay filter

  467. - acompressor filter

  468. - support encoding 16-bit RLE SGI images

  469. - apulsator filter

  470. - sidechaingate audio filter

  471. - mipsdspr1 option has been renamed to mipsdsp

  472. - aemphasis filter

  473. - mips32r5 option has been removed

  474. - mips64r6 option has been removed

  475. - DXVA2-accelerated VP9 decoding

  476. - SOFAlizer: virtual binaural acoustics filter

  477. - VAAPI VP9 hwaccel

  478. - audio high-order multiband parametric equalizer

  479. - automatic bitstream filtering

  480. - showspectrumpic filter

  481. - libstagefright support removed

  482. - spectrumsynth filter

  483. - ahistogram filter

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

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

  486. - afftfilt filter

  487. - convolution filter

  488. - libquvi support removed

  489. - support for dvaudio in wav and avi

  490. - libaacplus and libvo-aacenc support removed

  491. - Cineform HD decoder

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

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

  494. - nnedi deinterlacer

  495. - streamselect video and astreamselect audio filter

  496. - swaprect filter

  497. - metadata video and ametadata audio filter

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

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

  500. 

  501. 

  502. version 2.8:

  503. - colorkey video filter

  504. - BFSTM/BCSTM demuxer

  505. - little-endian ADPCM_THP decoder

  506. - Hap decoder and encoder

  507. - DirectDraw Surface image/texture decoder

  508. - ssim filter

  509. - optional new ASF demuxer

  510. - showvolume filter

  511. - Many improvements to the JPEG 2000 decoder

  512. - Go2Meeting decoding support

  513. - adrawgraph audio and drawgraph video filter

  514. - removegrain video filter

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

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

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

  518. - libkvazaar HEVC encoder

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

  520. - Dynamic Audio Normalizer as dynaudnorm filter

  521. - Reverse video and areverse audio filter

  522. - Random filter

  523. - deband filter

  524. - AAC fixed-point decoding

  525. - sidechaincompress audio filter

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

  527. - acrossfade audio filter

  528. - allyuv and allrgb video sources

  529. - atadenoise video filter

  530. - OS X VideoToolbox support

  531. - aphasemeter filter

  532. - showfreqs filter

  533. - vectorscope filter

  534. - waveform filter

  535. - hstack and vstack filter

  536. - Support DNx100 (1440x1080@8)

  537. - VAAPI hevc hwaccel

  538. - VDPAU hevc hwaccel

  539. - framerate filter

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

  541. - Removed experimental flag from the JPEG 2000 encoder

  542. 

  543. 

  544. version 2.7:

  545. - FFT video filter

  546. - TDSC decoder

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

  548. - showwavespic filter

  549. - DTS decoding through libdcadec

  550. - Drop support for nvenc API before 5.0

  551. - nvenc HEVC encoder

  552. - Detelecine filter

  553. - Intel QSV-accelerated H.264 encoding

  554. - MMAL-accelerated H.264 decoding

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

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

  557. - WebM Live Chunk Muxer

  558. - nvenc level and tier options

  559. - chorus filter

  560. - Canopus HQ/HQA decoder

  561. - Automatically rotate videos based on metadata in ffmpeg

  562. - improved Quickdraw compatibility

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

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

  565. - Direct3D11-accelerated decoding

  566. - Support Secure Transport

  567. - Multipart JPEG demuxer

  568. 

  569. 

  570. version 2.6:

  571. - nvenc encoder

  572. - 10bit spp filter

  573. - colorlevels filter

  574. - RIFX format for *.wav files

  575. - RTP/mpegts muxer

  576. - non continuous cache protocol support

  577. - tblend filter

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

  579. - Camellia symmetric block cipher

  580. - OpenH264 encoder wrapper

  581. - VOC seeking support

  582. - Closed caption Decoder

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

  584. - showpalette filter

  585. - Twofish symmetric block cipher

  586. - Support DNx100 (960x720@8)

  587. - eq2 filter ported from libmpcodecs as eq filter

  588. - removed libmpcodecs

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

  590. - ported softpulldown filter from libmpcodecs as repeatfields filter

  591. - dcshift filter

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

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

  594. - palettegen and paletteuse filters

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

  596. - RTP depacketizer for DV (RFC 6469)

  597. - DXVA2-accelerated HEVC decoding

  598. - AAC ELD 480 decoding

  599. - Intel QSV-accelerated H.264 decoding

  600. - DSS SP decoder and DSS demuxer

  601. - Fix stsd atom corruption in DNxHD QuickTimes

  602. - Canopus HQX decoder

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

  604. - Port MIPS optimizations to 64-bit

  605. 

  606. 

  607. version 2.5:

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

  609. - SUP/PGS subtitle demuxer

  610. - ffprobe -show_pixel_formats option

  611. - CAST128 symmetric block cipher, ECB mode

  612. - STL subtitle demuxer and decoder

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

  614. - XCB-based screen-grabber

  615. - UDP-Lite support (RFC 3828)

  616. - xBR scaling filter

  617. - AVFoundation screen capturing support

  618. - ffserver supports codec private options

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

  620. - WebP muxer with animated WebP support

  621. - zygoaudio decoding support

  622. - APNG demuxer

  623. - postproc visualization support

  624. 

  625. 

  626. version 2.4:

  627. - Icecast protocol

  628. - ported lenscorrection filter from frei0r filter

  629. - large optimizations in dctdnoiz to make it usable

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

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

  632. - LZMA compression support in TIFF decoder

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

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

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

  636. - Matroska 3D support thorugh side data

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

  638. - silenceremove filter

  639. 

  640. 

  641. version 2.3:

  642. - AC3 fixed-point decoding

  643. - shuffleplanes filter

  644. - subfile protocol

  645. - Phantom Cine demuxer

  646. - replaygain data export

  647. - VP7 video decoder

  648. - Alias PIX image encoder and decoder

  649. - Improvements to the BRender PIX image decoder

  650. - Improvements to the XBM decoder

  651. - QTKit input device

  652. - improvements to OpenEXR image decoder

  653. - support decoding 16-bit RLE SGI images

  654. - GDI screen grabbing for Windows

  655. - alternative rendition support for HTTP Live Streaming

  656. - AVFoundation input device

  657. - Direct Stream Digital (DSD) decoder

  658. - Magic Lantern Video (MLV) demuxer

  659. - On2 AVC (Audio for Video) decoder

  660. - support for decoding through DXVA2 in ffmpeg

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

  662. - libx264 reference frames count limiting depending on level

  663. - native Opus decoder

  664. - display matrix export and rotation API

  665. - WebVTT encoder

  666. - showcqt multimedia filter

  667. - zoompan filter

  668. - signalstats filter

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

  670. - flanger filter

  671. - Image format auto-detection

  672. - LRC demuxer and muxer

  673. - Samba protocol (via libsmbclient)

  674. - WebM DASH Manifest muxer

  675. - libfribidi support in drawtext

  676. 

  677. 

  678. version 2.2:

  679. 

  680. - HNM version 4 demuxer and video decoder

  681. - Live HDS muxer

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

  683. - elbg filter

  684. - string validation in ffprobe

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

  686. - complete Voxware MetaSound decoder

  687. - remove mp3_header_compress bitstream filter

  688. - Windows resource files for shared libraries

  689. - aeval filter

  690. - stereoscopic 3d metadata handling

  691. - WebP encoding via libwebp

  692. - ATRAC3+ decoder

  693. - VP8 in Ogg demuxing

  694. - side & metadata support in NUT

  695. - framepack filter

  696. - XYZ12 rawvideo support in NUT

  697. - Exif metadata support in WebP decoder

  698. - OpenGL device

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

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

  701. - Mirillis FIC video decoder

  702. - Support DNx444

  703. - libx265 encoder

  704. - dejudder filter

  705. - Autodetect VDA like all other hardware accelerations

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

  707. 

  708. 

  709. version 2.1:

  710. 

  711. - aecho filter

  712. - perspective filter ported from libmpcodecs

  713. - ffprobe -show_programs option

  714. - compand filter

  715. - RTMP seek support

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

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

  718.   the -noaccurate_seek option.

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

  720.   data read from an input file

  721. - incomplete Voxware MetaSound decoder

  722. - read EXIF metadata from JPEG

  723. - DVB teletext decoder

  724. - phase filter ported from libmpcodecs

  725. - w3fdif filter

  726. - Opus support in Matroska

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

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

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

  730.   more consistent with other muxers.

  731. - adelay filter

  732. - pullup filter ported from libmpcodecs

  733. - ffprobe -read_intervals option

  734. - Lossless and alpha support for WebP decoder

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

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

  737. - mux chapters in ASF files

  738. - SFTP protocol (via libssh)

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

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

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

  742.   the skip_alpha flag.

  743. - ladspa wrapper filter

  744. - native VP9 decoder

  745. - dpx parser

  746. - max_error_rate parameter in ffmpeg

  747. - PulseAudio output device

  748. - ReplayGain scanner

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

  750. - Linux framebuffer output device

  751. - HEVC decoder

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

  753. - mergeplanes filter

  754. 

  755. 

  756. version 2.0:

  757. 

  758. - curves filter

  759. - reference-counting for AVFrame and AVPacket data

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

  761.   or vice versa

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

  763. - perms and aperms filters

  764. - audio filtering support in ffplay

  765. - 10% faster aac encoding on x86 and MIPS

  766. - sine audio filter source

  767. - WebP demuxing and decoding support

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

  769.   filtergraph description to be read from a file

  770. - OpenCL support

  771. - audio phaser filter

  772. - separatefields filter

  773. - libquvi demuxer

  774. - uniform options syntax across all filters

  775. - telecine filter

  776. - interlace filter

  777. - smptehdbars source

  778. - inverse telecine filters (fieldmatch and decimate)

  779. - colorbalance filter

  780. - colorchannelmixer filter

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

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

  783. - decent native animated GIF encoding

  784. - asetrate filter

  785. - interleave filter

  786. - timeline editing with filters

  787. - vidstabdetect and vidstabtransform filters for video stabilization using

  788.   the vid.stab library

  789. - astats filter

  790. - trim and atrim filters

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

  792.   transcoding audio

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

  794. - extractplanes filter

  795. - avectorscope filter

  796. - ADPCM DTK decoder

  797. - ADP demuxer

  798. - RSD demuxer

  799. - RedSpark demuxer

  800. - ADPCM IMA Radical decoder

  801. - zmq filters

  802. - DCT denoiser filter (dctdnoiz)

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

  804. - Apple Intermediate Codec decoder

  805. - Escape 130 video decoder

  806. - FTP protocol support

  807. - V4L2 output device

  808. - 3D LUT filter (lut3d)

  809. - SMPTE 302M audio encoder

  810. - support for slice multithreading in libavfilter

  811. - Hald CLUT support (generation and filtering)

  812. - VC-1 interlaced B-frame support

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

  814. - XVideo output device

  815. - vignette filter

  816. - True Audio (TTA) encoder

  817. - Go2Webinar decoder

  818. - mcdeint filter ported from libmpcodecs

  819. - sab filter ported from libmpcodecs

  820. - ffprobe -show_chapters option

  821. - WavPack encoding through libwavpack

  822. - rotate filter

  823. - spp filter ported from libmpcodecs

  824. - libgme support

  825. - psnr filter

  826. 

  827. 

  828. version 1.2:

  829. 

  830. - VDPAU hardware acceleration through normal hwaccel

  831. - SRTP support

  832. - Error diffusion dither in Swscale

  833. - Chained Ogg support

  834. - Theora Midstream reconfiguration support

  835. - EVRC decoder

  836. - audio fade filter

  837. - filtering audio with unknown channel layout

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

  839.   and treble audio filter

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

  841. - histogram filter

  842. - tee muxer

  843. - il filter ported from libmpcodecs

  844. - support ID3v2 tags in ASF files

  845. - encrypted TTA stream decoding support

  846. - RF64 support in WAV muxer

  847. - noise filter ported from libmpcodecs

  848. - Subtitles character encoding conversion

  849. - blend filter

  850. - stereo3d filter ported from libmpcodecs

  851. 

  852. 

  853. version 1.1:

  854. 

  855. - stream disposition information printing in ffprobe

  856. - filter for loudness analysis following EBU R128

  857. - Opus encoder using libopus

  858. - ffprobe -select_streams option

  859. - Pinnacle TARGA CineWave YUV16 decoder

  860. - TAK demuxer, decoder and parser

  861. - DTS-HD demuxer

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

  863. - FFM2 support

  864. - X-Face image encoder and decoder

  865. - 24-bit FLAC encoding

  866. - multi-channel ALAC encoding up to 7.1

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

  868. - subtitles raw text decoder

  869. - support for building DLLs using MSVC

  870. - LVF demuxer

  871. - ffescape tool

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

  873. - field filter ported from libmpcodecs

  874. - AVR demuxer

  875. - geq filter ported from libmpcodecs

  876. - remove ffserver daemon mode

  877. - AST muxer/demuxer

  878. - new expansion syntax for drawtext

  879. - BRender PIX image decoder

  880. - ffprobe -show_entries option

  881. - ffprobe -sections option

  882. - ADPCM IMA Dialogic decoder

  883. - BRSTM demuxer

  884. - animated GIF decoder and demuxer

  885. - PVF demuxer

  886. - subtitles filter

  887. - IRCAM muxer/demuxer

  888. - Paris Audio File demuxer

  889. - Virtual concatenation demuxer

  890. - VobSub demuxer

  891. - JSON captions for TED talks decoding support

  892. - SOX Resampler support in libswresample

  893. - aselect filter

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

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

  896. - Silicon Graphics Movie demuxer

  897. - apad filter

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

  899. - documentation split into per-component manuals

  900. - pp (postproc) filter ported from MPlayer

  901. - NIST Sphere demuxer

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

  903. - Sony Wave64 muxer

  904. - adobe and limelight publisher authentication in RTMP

  905. - data: URI scheme

  906. - support building on the Plan 9 operating system

  907. - kerndeint filter ported from MPlayer

  908. - histeq filter ported from VirtualDub

  909. - Megalux Frame demuxer

  910. - 012v decoder

  911. - Improved AVC Intra decoding support

  912. 

  913. 

  914. version 1.0:

  915. 

  916. - INI and flat output in ffprobe

  917. - Scene detection in libavfilter

  918. - Indeo Audio decoder

  919. - channelsplit audio filter

  920. - setnsamples audio filter

  921. - atempo filter

  922. - ffprobe -show_data option

  923. - RTMPT protocol support

  924. - iLBC encoding/decoding via libilbc

  925. - Microsoft Screen 1 decoder

  926. - join audio filter

  927. - audio channel mapping filter

  928. - Microsoft ATC Screen decoder

  929. - RTSP listen mode

  930. - TechSmith Screen Codec 2 decoder

  931. - AAC encoding via libfdk-aac

  932. - Microsoft Expression Encoder Screen decoder

  933. - RTMPS protocol support

  934. - RTMPTS protocol support

  935. - RTMPE protocol support

  936. - RTMPTE protocol support

  937. - showwaves and showspectrum filter

  938. - LucasArts SMUSH SANM playback support

  939. - LucasArts SMUSH VIMA audio decoder (ADPCM)

  940. - LucasArts SMUSH demuxer

  941. - SAMI, RealText and SubViewer demuxers and decoders

  942. - Heart Of Darkness PAF playback support

  943. - iec61883 device

  944. - asettb filter

  945. - new option: -progress

  946. - 3GPP Timed Text encoder/decoder

  947. - GeoTIFF decoder support

  948. - ffmpeg -(no)stdin option

  949. - Opus decoder using libopus

  950. - caca output device using libcaca

  951. - alphaextract and alphamerge filters

  952. - concat filter

  953. - flite filter

  954. - Canopus Lossless Codec decoder

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

  956. - MP2 encoding via TwoLAME

  957. - bmp parser

  958. - smptebars source

  959. - asetpts filter

  960. - hue filter

  961. - ICO muxer

  962. - SubRip encoder and decoder without embedded timing

  963. - edge detection filter

  964. - framestep filter

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

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

  967. - volume measurement filter

  968. - Ut Video encoder

  969. - Microsoft Screen 2 decoder

  970. - smartblur filter ported from MPlayer

  971. - CPiA decoder

  972. - decimate filter ported from MPlayer

  973. - RTP depacketization of JPEG

  974. - Smooth Streaming live segmenter muxer

  975. - F4V muxer

  976. - sendcmd and asendcmd filters

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

  978. - RTP packetization of JPEG

  979. - faststart option in the MOV/MP4 muxer

  980. - support for building with MSVC

  981. 

  982. 

  983. version 0.11:

  984. 

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

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

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

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

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

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

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

  992. - setfield filter

  993. - CDXL demuxer and decoder

  994. - Apple ProRes encoder

  995. - ffprobe -count_packets and -count_frames options

  996. - Sun Rasterfile Encoder

  997. - ID3v2 attached pictures reading and writing

  998. - WMA Lossless decoder

  999. - bluray protocol

  1000. - blackdetect filter

  1001. - libutvideo encoder wrapper (--enable-libutvideo)

  1002. - swapuv filter

  1003. - bbox filter

  1004. - XBM encoder and decoder

  1005. - RealAudio Lossless decoder

  1006. - ZeroCodec decoder

  1007. - tile video filter

  1008. - Metal Gear Solid: The Twin Snakes demuxer

  1009. - OpenEXR image decoder

  1010. - removelogo filter

  1011. - drop support for ffmpeg without libavfilter

  1012. - drawtext video filter: fontconfig support

  1013. - ffmpeg -benchmark_all option

  1014. - super2xsai filter ported from libmpcodecs

  1015. - add libavresample audio conversion library for compatibility

  1016. - MicroDVD decoder

  1017. - Avid Meridien (AVUI) encoder and decoder

  1018. - accept + prefix to -pix_fmt option to disable automatic conversions.

  1019. - complete audio filtering in libavfilter and ffmpeg

  1020. - add fps filter

  1021. - vorbis parser

  1022. - png parser

  1023. - audio mix filter

  1024. - ffv1: support (draft) version 1.3

  1025. 

  1026. 

  1027. version 0.10:

  1028. 

  1029. - Fixes: CVE-2011-3929, CVE-2011-3934, CVE-2011-3935, CVE-2011-3936,

  1030.          CVE-2011-3937, CVE-2011-3940, CVE-2011-3941, CVE-2011-3944,

  1031.          CVE-2011-3945, CVE-2011-3946, CVE-2011-3947, CVE-2011-3949,

  1032.          CVE-2011-3950, CVE-2011-3951, CVE-2011-3952

  1033. - v410 Quicktime Uncompressed 4:4:4 10-bit encoder and decoder

  1034. - SBaGen (SBG) binaural beats script demuxer

  1035. - OpenMG Audio muxer

  1036. - Timecode extraction in DV and MOV

  1037. - thumbnail video filter

  1038. - XML output in ffprobe

  1039. - asplit audio filter

  1040. - tinterlace video filter

  1041. - astreamsync audio filter

  1042. - amerge audio filter

  1043. - ISMV (Smooth Streaming) muxer

  1044. - GSM audio parser

  1045. - SMJPEG muxer

  1046. - XWD encoder and decoder

  1047. - Automatic thread count based on detection number of (available) CPU cores

  1048. - y41p Brooktree Uncompressed 4:1:1 12-bit encoder and decoder

  1049. - ffprobe -show_error option

  1050. - Avid 1:1 10-bit RGB Packer codec

  1051. - v308 Quicktime Uncompressed 4:4:4 encoder and decoder

  1052. - yuv4 libquicktime packed 4:2:0 encoder and decoder

  1053. - ffprobe -show_frames option

  1054. - silencedetect audio filter

  1055. - ffprobe -show_program_version, -show_library_versions, -show_versions options

  1056. - rv34: frame-level multi-threading

  1057. - optimized iMDCT transform on x86 using SSE for for mpegaudiodec

  1058. - Improved PGS subtitle decoder

  1059. - dumpgraph option to lavfi device

  1060. - r210 and r10k encoders

  1061. - ffwavesynth decoder

  1062. - aviocat tool

  1063. - ffeval tool

  1064. - support encoding and decoding 4-channel SGI images

  1065. 

  1066. 

  1067. version 0.9:

  1068. 

  1069. - openal input device added

  1070. - boxblur filter added

  1071. - BWF muxer

  1072. - Flash Screen Video 2 decoder

  1073. - lavfi input device added

  1074. - added avconv, which is almost the same for now, except

  1075. for a few incompatible changes in the options, which will hopefully make them

  1076. easier to use. The changes are:

  1077.     * The options placement is now strictly enforced! While in theory the

  1078.       options for ffmpeg should be given in [input options] -i INPUT [output

  1079.       options] OUTPUT order, in practice it was possible to give output options

  1080.       before the -i and it mostly worked. Except when it didn't - the behavior was

  1081.       a bit inconsistent. In avconv, it is not possible to mix input and output

  1082.       options. All non-global options are reset after an input or output filename.

  1083.     * All per-file options are now truly per-file - they apply only to the next

  1084.       input or output file and specifying different values for different files

  1085.       will now work properly (notably -ss and -t options).

  1086.     * All per-stream options are now truly per-stream - it is possible to

  1087.       specify which stream(s) should a given option apply to. See the Stream

  1088.       specifiers section in the avconv manual for details.

  1089.     * In ffmpeg some options (like -newvideo/-newaudio/...) are irregular in the

  1090.       sense that they're specified after the output filename instead of before,

  1091.       like all other options. In avconv this irregularity is removed, all options

  1092.       apply to the next input or output file.

  1093.     * -newvideo/-newaudio/-newsubtitle options were removed. Not only were they

  1094.       irregular and highly confusing, they were also redundant. In avconv the -map

  1095.       option will create new streams in the output file and map input streams to

  1096.       them. E.g. avconv -i INPUT -map 0 OUTPUT will create an output stream for

  1097.       each stream in the first input file.

  1098.     * The -map option now has slightly different and more powerful syntax:

  1099.         + Colons (':') are used to separate file index/stream type/stream index

  1100.           instead of dots. Comma (',') is used to separate the sync stream instead

  1101.           of colon.. This is done for consistency with other options.

  1102.         + It's possible to specify stream type. E.g. -map 0:a:2 creates an

  1103.           output stream from the third input audio stream.

  1104.         + Omitting the stream index now maps all the streams of the given type,

  1105.           not just the first. E.g. -map 0:s creates output streams for all the

  1106.           subtitle streams in the first input file.

  1107.         + Since -map can now match multiple streams, negative mappings were

  1108.           introduced. Negative mappings disable some streams from an already

  1109.           defined map. E.g. '-map 0 -map -0:a:1' means 'create output streams for

  1110.           all the stream in the first input file, except for the second audio

  1111.           stream'.

  1112.     * There is a new option -c (or -codec) for choosing the decoder/encoder to

  1113.       use, which makes it possible to precisely specify target stream(s) consistently with

  1114.       other options. E.g. -c:v lib264 sets the codec for all video streams, -c:a:0

  1115.       libvorbis sets the codec for the first audio stream and -c copy copies all

  1116.       the streams without reencoding. Old -vcodec/-acodec/-scodec options are now

  1117.       aliases to -c:v/a/s

  1118.     * It is now possible to precisely specify which stream should an AVOption

  1119.       apply to. E.g. -b:v:0 2M sets the bitrate for the first video stream, while

  1120.       -b:a 128k sets the bitrate for all audio streams. Note that the old -ab 128k

  1121.       syntax is deprecated and will stop working soon.

  1122.     * -map_chapters now takes only an input file index and applies to the next

  1123.       output file. This is consistent with how all the other options work.

  1124.     * -map_metadata now takes only an input metadata specifier and applies to

  1125.       the next output file. Output metadata specifier is now part of the option

  1126.       name, similarly to the AVOptions/map/codec feature above.

  1127.     * -metadata can now be used to set metadata on streams and chapters, e.g.

  1128.       -metadata:s:1 language=eng sets the language of the first stream to 'eng'.

  1129.       This made -vlang/-alang/-slang options redundant, so they were removed.

  1130.     * -qscale option now uses stream specifiers and applies to all streams, not

  1131.       just video. I.e. plain -qscale number would now apply to all streams. To get

  1132.       the old behavior, use -qscale:v. Also there is now a shortcut -q for -qscale

  1133.       and -aq is now an alias for -q:a.

  1134.     * -vbsf/-absf/-sbsf options were removed and replaced by a -bsf option which

  1135.       uses stream specifiers. Use -bsf:v/a/s instead of the old options.

  1136.     * -itsscale option now uses stream specifiers, so its argument is only the

  1137.       scale parameter.

  1138.     * -intra option was removed, use -g 0 for the same effect.

  1139.     * -psnr option was removed, use -flags +psnr for the same effect.

  1140.     * -vf option is now an alias to the new -filter option, which uses stream specifiers.

  1141.     * -vframes/-aframes/-dframes options are now aliases to the new -frames option.

  1142.     * -vtag/-atag/-stag options are now aliases to the new -tag option.

  1143. - XMV demuxer

  1144. - LOAS demuxer

  1145. - ashowinfo filter added

  1146. - Windows Media Image decoder

  1147. - amovie source added

  1148. - LATM muxer/demuxer

  1149. - Speex encoder via libspeex

  1150. - JSON output in ffprobe

  1151. - WTV muxer

  1152. - Optional C++ Support (needed for libstagefright)

  1153. - H.264 Decoding on Android via Stagefright

  1154. - Prores decoder

  1155. - BIN/XBIN/ADF/IDF text file decoder

  1156. - aconvert audio filter added

  1157. - audio support to lavfi input device added

  1158. - libcdio-paranoia input device for audio CD grabbing

  1159. - Apple ProRes decoder

  1160. - CELT in Ogg demuxing

  1161. - G.723.1 demuxer and decoder

  1162. - libmodplug support (--enable-libmodplug)

  1163. - VC-1 interlaced decoding

  1164. - libutvideo wrapper (--enable-libutvideo)

  1165. - aevalsrc audio source added

  1166. - Ut Video decoder

  1167. - Speex encoding via libspeex

  1168. - 4:2:2 H.264 decoding support

  1169. - 4:2:2 and 4:4:4 H.264 encoding with libx264

  1170. - Pulseaudio input device

  1171. - Prores encoder

  1172. - Video Decoder Acceleration (VDA) HWAccel module.

  1173. - replacement Indeo 3 decoder

  1174. - new ffmpeg option: -map_channel

  1175. - volume audio filter added

  1176. - earwax audio filter added

  1177. - libv4l2 support (--enable-libv4l2)

  1178. - TLS/SSL and HTTPS protocol support

  1179. - AVOptions API rewritten and documented

  1180. - most of CODEC_FLAG2_*, some CODEC_FLAG_* and many codec-specific fields in

  1181.   AVCodecContext deprecated. Codec private options should be used instead.

  1182. - Properly working defaults in libx264 wrapper, support for native presets.

  1183. - Encrypted OMA files support

  1184. - Discworld II BMV decoding support

  1185. - VBLE Decoder

  1186. - OS X Video Decoder Acceleration (VDA) support

  1187. - compact and csv output in ffprobe

  1188. - pan audio filter

  1189. - IFF Amiga Continuous Bitmap (ACBM) decoder

  1190. - ass filter

  1191. - CRI ADX audio format muxer and demuxer

  1192. - Playstation Portable PMP format demuxer

  1193. - Microsoft Windows ICO demuxer

  1194. - life source

  1195. - PCM format support in OMA demuxer

  1196. - CLJR encoder

  1197. - new option: -report

  1198. - Dxtory capture format decoder

  1199. - cellauto source

  1200. - Simple segmenting muxer

  1201. - Indeo 4 decoder

  1202. - SMJPEG demuxer

  1203. 

  1204. 

  1205. version 0.8:

  1206. 

  1207. - many many things we forgot because we rather write code than changelogs

  1208. - WebM support in Matroska de/muxer

  1209. - low overhead Ogg muxing

  1210. - MMS-TCP support

  1211. - VP8 de/encoding via libvpx

  1212. - Demuxer for On2's IVF format

  1213. - Pictor/PC Paint decoder

  1214. - HE-AAC v2 decoder

  1215. - HE-AAC v2 encoding with libaacplus

  1216. - libfaad2 wrapper removed

  1217. - DTS-ES extension (XCh) decoding support

  1218. - native VP8 decoder

  1219. - RTSP tunneling over HTTP

  1220. - RTP depacketization of SVQ3

  1221. - -strict inofficial replaced by -strict unofficial

  1222. - ffplay -exitonkeydown and -exitonmousedown options added

  1223. - native GSM / GSM MS decoder

  1224. - RTP depacketization of QDM2

  1225. - ANSI/ASCII art playback system

  1226. - Lego Mindstorms RSO de/muxer

  1227. - libavcore added (and subsequently removed)

  1228. - SubRip subtitle file muxer and demuxer

  1229. - Chinese AVS encoding via libxavs

  1230. - ffprobe -show_packets option added

  1231. - RTP packetization of Theora and Vorbis

  1232. - RTP depacketization of MP4A-LATM

  1233. - RTP packetization and depacketization of VP8

  1234. - hflip filter

  1235. - Apple HTTP Live Streaming demuxer

  1236. - a64 codec

  1237. - MMS-HTTP support

  1238. - G.722 ADPCM audio encoder/decoder

  1239. - R10k video decoder

  1240. - ocv_smooth filter

  1241. - frei0r wrapper filter

  1242. - change crop filter syntax to width:height:x:y

  1243. - make the crop filter accept parametric expressions

  1244. - make ffprobe accept AVFormatContext options

  1245. - yadif filter

  1246. - blackframe filter

  1247. - Demuxer for Leitch/Harris' VR native stream format (LXF)

  1248. - RTP depacketization of the X-QT QuickTime format

  1249. - SAP (Session Announcement Protocol, RFC 2974) muxer and demuxer

  1250. - cropdetect filter

  1251. - ffmpeg -crop* options removed

  1252. - transpose filter added

  1253. - ffmpeg -force_key_frames option added

  1254. - demuxer for receiving raw rtp:// URLs without an SDP description

  1255. - single stream LATM/LOAS decoder

  1256. - setpts filter added

  1257. - Win64 support for optimized x86 assembly functions

  1258. - MJPEG/AVI1 to JPEG/JFIF bitstream filter

  1259. - ASS subtitle encoder and decoder

  1260. - IEC 61937 encapsulation for E-AC-3, TrueHD, DTS-HD (for HDMI passthrough)

  1261. - overlay filter added

  1262. - rename aspect filter to setdar, and pixelaspect to setsar

  1263. - IEC 61937 demuxer

  1264. - Mobotix .mxg demuxer

  1265. - frei0r source added

  1266. - hqdn3d filter added

  1267. - RTP depacketization of QCELP

  1268. - FLAC parser added

  1269. - gradfun filter added

  1270. - AMR-WB decoder

  1271. - replace the ocv_smooth filter with a more generic ocv filter

  1272. - Windows Televison (WTV) demuxer

  1273. - FFmpeg metadata format muxer and demuxer

  1274. - SubRip (srt) subtitle encoder and decoder

  1275. - floating-point AC-3 encoder added

  1276. - Lagarith decoder

  1277. - ffmpeg -copytb option added

  1278. - IVF muxer added

  1279. - Wing Commander IV movies decoder added

  1280. - movie source added

  1281. - Bink version 'b' audio and video decoder

  1282. - Bitmap Brothers JV playback system

  1283. - Apple HTTP Live Streaming protocol handler

  1284. - sndio support for playback and record

  1285. - Linux framebuffer input device added

  1286. - Chronomaster DFA decoder

  1287. - DPX image encoder

  1288. - MicroDVD subtitle file muxer and demuxer

  1289. - Playstation Portable PMP format demuxer

  1290. - fieldorder video filter added

  1291. - AAC encoding via libvo-aacenc

  1292. - AMR-WB encoding via libvo-amrwbenc

  1293. - xWMA demuxer

  1294. - Mobotix MxPEG decoder

  1295. - VP8 frame-multithreading

  1296. - NEON optimizations for VP8

  1297. - Lots of deprecated API cruft removed

  1298. - fft and imdct optimizations for AVX (Sandy Bridge) processors

  1299. - showinfo filter added

  1300. - SMPTE 302M AES3 audio decoder

  1301. - Apple Core Audio Format muxer

  1302. - 9 bits and 10 bits per sample support in the H.264 decoder

  1303. - 9 bits and 10 bits FFV1 encoding / decoding

  1304. - split filter added

  1305. - select filter added

  1306. - sdl output device added

  1307. - libmpcodecs video filter support (3 times as many filters than before)

  1308. - mpeg2 aspect ratio dection fixed

  1309. - libxvid aspect pickiness fixed

  1310. - Frame multithreaded decoding

  1311. - E-AC-3 audio encoder

  1312. - ac3enc: add channel coupling support

  1313. - floating-point sample format support to the ac3, eac3, dca, aac, and vorbis decoders.

  1314. - H264/MPEG frame-level multi-threading

  1315. - All av_metadata_* functions renamed to av_dict_* and moved to libavutil

  1316. - 4:4:4 H.264 decoding support

  1317. - 10-bit H.264 optimizations for x86

  1318. - lut, lutrgb, and lutyuv filters added

  1319. - buffersink libavfilter sink added

  1320. - Bump libswscale for recently reported ABI break

  1321. - New J2K encoder (via OpenJPEG)

  1322. 

  1323. 

  1324. version 0.7:

  1325. 

  1326. - all the changes for 0.8, but keeping API/ABI compatibility with the 0.6 release

  1327. 

  1328. 

  1329. version 0.6:

  1330. 

  1331. - PB-frame decoding for H.263

  1332. - deprecated vhook subsystem removed

  1333. - deprecated old scaler removed

  1334. - VQF demuxer

  1335. - Alpha channel scaler

  1336. - PCX encoder

  1337. - RTP packetization of H.263

  1338. - RTP packetization of AMR

  1339. - RTP depacketization of Vorbis

  1340. - CorePNG decoding support

  1341. - Cook multichannel decoding support

  1342. - introduced avlanguage helpers in libavformat

  1343. - 8088flex TMV demuxer and decoder

  1344. - per-stream language-tags extraction in asfdec

  1345. - V210 decoder and encoder

  1346. - remaining GPL parts in AC-3 decoder converted to LGPL

  1347. - QCP demuxer

  1348. - SoX native format muxer and demuxer

  1349. - AMR-NB decoding/encoding, AMR-WB decoding via OpenCORE libraries

  1350. - DPX image decoder

  1351. - Electronic Arts Madcow decoder

  1352. - DivX (XSUB) subtitle encoder

  1353. - nonfree libamr support for AMR-NB/WB decoding/encoding removed

  1354. - experimental AAC encoder

  1355. - RTP depacketization of ASF and RTSP from WMS servers

  1356. - RTMP support in libavformat

  1357. - noX handling for OPT_BOOL X options

  1358. - Wave64 demuxer

  1359. - IEC-61937 compatible Muxer

  1360. - TwinVQ decoder

  1361. - Bluray (PGS) subtitle decoder

  1362. - LPCM support in MPEG-TS (HDMV RID as found on Blu-ray disks)

  1363. - WMA Pro decoder

  1364. - Core Audio Format demuxer

  1365. - ATRAC1 decoder

  1366. - MD STUDIO audio demuxer

  1367. - RF64 support in WAV demuxer

  1368. - MPEG-4 Audio Lossless Coding (ALS) decoder

  1369. - -formats option split into -formats, -codecs, -bsfs, and -protocols

  1370. - IV8 demuxer

  1371. - CDG demuxer and decoder

  1372. - R210 decoder

  1373. - Auravision Aura 1 and 2 decoders

  1374. - Deluxe Paint Animation playback system

  1375. - SIPR decoder

  1376. - Adobe Filmstrip muxer and demuxer

  1377. - RTP depacketization of H.263

  1378. - Bink demuxer and audio/video decoders

  1379. - enable symbol versioning by default for linkers that support it

  1380. - IFF PBM/ILBM bitmap decoder

  1381. - concat protocol

  1382. - Indeo 5 decoder

  1383. - RTP depacketization of AMR

  1384. - WMA Voice decoder

  1385. - ffprobe tool

  1386. - AMR-NB decoder

  1387. - RTSP muxer

  1388. - HE-AAC v1 decoder

  1389. - Kega Game Video (KGV1) decoder

  1390. - VorbisComment writing for FLAC, Ogg FLAC and Ogg Speex files

  1391. - RTP depacketization of Theora

  1392. - HTTP Digest authentication

  1393. - RTMP/RTMPT/RTMPS/RTMPE/RTMPTE protocol support via librtmp

  1394. - Psygnosis YOP demuxer and video decoder

  1395. - spectral extension support in the E-AC-3 decoder

  1396. - unsharp video filter

  1397. - RTP hinting in the mov/3gp/mp4 muxer

  1398. - Dirac in Ogg demuxing

  1399. - seek to keyframes in Ogg

  1400. - 4:2:2 and 4:4:4 Theora decoding

  1401. - 35% faster VP3/Theora decoding

  1402. - faster AAC decoding

  1403. - faster H.264 decoding

  1404. - RealAudio 1.0 (14.4K) encoder

  1405. 

  1406. 

  1407. version 0.5:

  1408. 

  1409. - DV50 AKA DVCPRO50 encoder, decoder, muxer and demuxer

  1410. - TechSmith Camtasia (TSCC) video decoder

  1411. - IBM Ultimotion (ULTI) video decoder

  1412. - Sierra Online audio file demuxer and decoder

  1413. - Apple QuickDraw (qdrw) video decoder

  1414. - Creative ADPCM audio decoder (16 bits as well as 8 bits schemes)

  1415. - Electronic Arts Multimedia (WVE/UV2/etc.) file demuxer

  1416. - Miro VideoXL (VIXL) video decoder

  1417. - H.261 video encoder

  1418. - QPEG video decoder

  1419. - Nullsoft Video (NSV) file demuxer

  1420. - Shorten audio decoder

  1421. - LOCO video decoder

  1422. - Apple Lossless Audio Codec (ALAC) decoder

  1423. - Winnov WNV1 video decoder

  1424. - Autodesk Animator Studio Codec (AASC) decoder

  1425. - Indeo 2 video decoder

  1426. - Fraps FPS1 video decoder

  1427. - Snow video encoder/decoder

  1428. - Sonic audio encoder/decoder

  1429. - Vorbis audio decoder

  1430. - Macromedia ADPCM decoder

  1431. - Duck TrueMotion 2 video decoder

  1432. - support for decoding FLX and DTA extensions in FLIC files

  1433. - H.264 custom quantization matrices support

  1434. - ffserver fixed, it should now be usable again

  1435. - QDM2 audio decoder

  1436. - Real Cooker audio decoder

  1437. - TrueSpeech audio decoder

  1438. - WMA2 audio decoder fixed, now all files should play correctly

  1439. - RealAudio 14.4 and 28.8 decoders fixed

  1440. - JPEG-LS decoder

  1441. - build system improvements

  1442. - tabs and trailing whitespace removed from the codebase

  1443. - CamStudio video decoder

  1444. - AIFF/AIFF-C audio format, encoding and decoding

  1445. - ADTS AAC file reading and writing

  1446. - Creative VOC file reading and writing

  1447. - American Laser Games multimedia (*.mm) playback system

  1448. - Zip Motion Blocks Video decoder

  1449. - improved Theora/VP3 decoder

  1450. - True Audio (TTA) decoder

  1451. - AVS demuxer and video decoder

  1452. - JPEG-LS encoder

  1453. - Smacker demuxer and decoder

  1454. - NuppelVideo/MythTV demuxer and RTjpeg decoder

  1455. - KMVC decoder

  1456. - MPEG-2 intra VLC support

  1457. - MPEG-2 4:2:2 encoder

  1458. - Flash Screen Video decoder

  1459. - GXF demuxer

  1460. - Chinese AVS decoder

  1461. - GXF muxer

  1462. - MXF demuxer

  1463. - VC-1/WMV3/WMV9 video decoder

  1464. - MacIntel support

  1465. - AviSynth support

  1466. - VMware video decoder

  1467. - VP5 video decoder

  1468. - VP6 video decoder

  1469. - WavPack lossless audio decoder

  1470. - Targa (.TGA) picture decoder

  1471. - Vorbis audio encoder

  1472. - Delphine Software .cin demuxer/audio and video decoder

  1473. - Tiertex .seq demuxer/video decoder

  1474. - MTV demuxer

  1475. - TIFF picture encoder and decoder

  1476. - GIF picture decoder

  1477. - Intel Music Coder decoder

  1478. - Zip Motion Blocks Video encoder

  1479. - Musepack decoder

  1480. - Flash Screen Video encoder

  1481. - Theora encoding via libtheora

  1482. - BMP encoder

  1483. - WMA encoder

  1484. - GSM-MS encoder and decoder

  1485. - DCA decoder

  1486. - DXA demuxer and decoder

  1487. - DNxHD decoder

  1488. - Gamecube movie (.THP) playback system

  1489. - Blackfin optimizations

  1490. - Interplay C93 demuxer and video decoder

  1491. - Bethsoft VID demuxer and video decoder

  1492. - CRYO APC demuxer

  1493. - ATRAC3 decoder

  1494. - V.Flash PTX decoder

  1495. - RoQ muxer, RoQ audio encoder

  1496. - Renderware TXD demuxer and decoder

  1497. - extern C declarations for C++ removed from headers

  1498. - sws_flags command line option

  1499. - codebook generator

  1500. - RoQ video encoder

  1501. - QTRLE encoder

  1502. - OS/2 support removed and restored again

  1503. - AC-3 decoder

  1504. - NUT muxer

  1505. - additional SPARC (VIS) optimizations

  1506. - Matroska muxer

  1507. - slice-based parallel H.264 decoding

  1508. - Monkey's Audio demuxer and decoder

  1509. - AMV audio and video decoder

  1510. - DNxHD encoder

  1511. - H.264 PAFF decoding

  1512. - Nellymoser ASAO decoder

  1513. - Beam Software SIFF demuxer and decoder

  1514. - libvorbis Vorbis decoding removed in favor of native decoder

  1515. - IntraX8 (J-Frame) subdecoder for WMV2 and VC-1

  1516. - Ogg (Theora, Vorbis and FLAC) muxer

  1517. - The "device" muxers and demuxers are now in a new libavdevice library

  1518. - PC Paintbrush PCX decoder

  1519. - Sun Rasterfile decoder

  1520. - TechnoTrend PVA demuxer

  1521. - Linux Media Labs MPEG-4 (LMLM4) demuxer

  1522. - AVM2 (Flash 9) SWF muxer

  1523. - QT variant of IMA ADPCM encoder

  1524. - VFW grabber

  1525. - iPod/iPhone compatible mp4 muxer

  1526. - Mimic decoder

  1527. - MSN TCP Webcam stream demuxer

  1528. - RL2 demuxer / decoder

  1529. - IFF demuxer

  1530. - 8SVX audio decoder

  1531. - non-recursive Makefiles

  1532. - BFI demuxer

  1533. - MAXIS EA XA (.xa) demuxer / decoder

  1534. - BFI video decoder

  1535. - OMA demuxer

  1536. - MLP/TrueHD decoder

  1537. - Electronic Arts CMV decoder

  1538. - Motion Pixels Video decoder

  1539. - Motion Pixels MVI demuxer

  1540. - removed animated GIF decoder/demuxer

  1541. - D-Cinema audio muxer

  1542. - Electronic Arts TGV decoder

  1543. - Apple Lossless Audio Codec (ALAC) encoder

  1544. - AAC decoder

  1545. - floating point PCM encoder/decoder

  1546. - MXF muxer

  1547. - DV100 AKA DVCPRO HD decoder and demuxer

  1548. - E-AC-3 support added to AC-3 decoder

  1549. - Nellymoser ASAO encoder

  1550. - ASS and SSA demuxer and muxer

  1551. - liba52 wrapper removed

  1552. - SVQ3 watermark decoding support

  1553. - Speex decoding via libspeex

  1554. - Electronic Arts TGQ decoder

  1555. - RV40 decoder

  1556. - QCELP / PureVoice decoder

  1557. - RV30 decoder

  1558. - hybrid WavPack support

  1559. - R3D REDCODE demuxer

  1560. - ALSA support for playback and record

  1561. - Electronic Arts TQI decoder

  1562. - OpenJPEG based JPEG 2000 decoder

  1563. - NC (NC4600) camera file demuxer

  1564. - Gopher client support

  1565. - MXF D-10 muxer

  1566. - generic metadata API

  1567. - flash ScreenVideo2 encoder

  1568. 

  1569. 

  1570. version 0.4.9-pre1:

  1571. 

  1572. - DV encoder, DV muxer

  1573. - Microsoft RLE video decoder

  1574. - Microsoft Video-1 decoder

  1575. - Apple Animation (RLE) decoder

  1576. - Apple Graphics (SMC) decoder

  1577. - Apple Video (RPZA) decoder

  1578. - Cinepak decoder

  1579. - Sega FILM (CPK) file demuxer

  1580. - Westwood multimedia support (VQA & AUD files)

  1581. - Id Quake II CIN playback support

  1582. - 8BPS video decoder

  1583. - FLIC playback support

  1584. - RealVideo 2.0 (RV20) decoder

  1585. - Duck TrueMotion v1 (DUCK) video decoder

  1586. - Sierra VMD demuxer and video decoder

  1587. - MSZH and ZLIB decoder support

  1588. - SVQ1 video encoder

  1589. - AMR-WB support

  1590. - PPC optimizations

  1591. - rate distortion optimal cbp support

  1592. - rate distorted optimal ac prediction for MPEG-4

  1593. - rate distorted optimal lambda->qp support

  1594. - AAC encoding with libfaac

  1595. - Sunplus JPEG codec (SP5X) support

  1596. - use Lagrange multiplier instead of QP for ratecontrol

  1597. - Theora/VP3 decoding support

  1598. - XA and ADX ADPCM codecs

  1599. - export MPEG-2 active display area / pan scan

  1600. - Add support for configuring with IBM XLC

  1601. - floating point AAN DCT

  1602. - initial support for zygo video (not complete)

  1603. - RGB ffv1 support

  1604. - new audio/video parser API

  1605. - av_log() system

  1606. - av_read_frame() and av_seek_frame() support

  1607. - missing last frame fixes

  1608. - seek by mouse in ffplay

  1609. - noise reduction of DCT coefficients

  1610. - H.263 OBMC & 4MV support

  1611. - H.263 alternative inter vlc support

  1612. - H.263 loop filter

  1613. - H.263 slice structured mode

  1614. - interlaced DCT support for MPEG-2 encoding

  1615. - stuffing to stay above min_bitrate

  1616. - MB type & QP visualization

  1617. - frame stepping for ffplay

  1618. - interlaced motion estimation

  1619. - alternate scantable support

  1620. - SVCD scan offset support

  1621. - closed GOP support

  1622. - SSE2 FDCT

  1623. - quantizer noise shaping

  1624. - G.726 ADPCM audio codec

  1625. - MS ADPCM encoding

  1626. - multithreaded/SMP motion estimation

  1627. - multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263

  1628. - multithreaded/SMP decoding for MPEG-2

  1629. - FLAC decoder

  1630. - Metrowerks CodeWarrior suppport

  1631. - H.263+ custom pcf support

  1632. - nicer output for 'ffmpeg -formats'

  1633. - Matroska demuxer

  1634. - SGI image format, encoding and decoding

  1635. - H.264 loop filter support

  1636. - H.264 CABAC support

  1637. - nicer looking arrows for the motion vector visualization

  1638. - improved VCD support

  1639. - audio timestamp drift compensation

  1640. - MPEG-2 YUV 422/444 support

  1641. - polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample

  1642. - better image scaling

  1643. - H.261 support

  1644. - correctly interleave packets during encoding

  1645. - VIS optimized motion compensation

  1646. - intra_dc_precision>0 encoding support

  1647. - support reuse of motion vectors/MB types/field select values of the source video

  1648. - more accurate deblock filter

  1649. - padding support

  1650. - many optimizations and bugfixes

  1651. - FunCom ISS audio file demuxer and according ADPCM decoding

  1652. 

  1653. 

  1654. version 0.4.8:

  1655. 

  1656. - MPEG-2 video encoding (Michael)

  1657. - Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)

  1658. - Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson

  1659.   and Mario Brito)

  1660. - Xan DPCM audio decoder (Mario Brito)

  1661. - Interplay MVE playback subsystem (Mike Melanson)

  1662. - Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)

  1663. 

  1664. 

  1665. version 0.4.7:

  1666. 

  1667. - RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from mplayerhq

  1668.   (originally from public domain player for Amiga at http://www.honeypot.net/audio)

  1669. - current version now also compiles with older GCC (Fabrice)

  1670. - 4X multimedia playback system including 4xm file demuxer (Mike

  1671.   Melanson), and 4X video and audio codecs (Michael)

  1672. - Creative YUV (CYUV) decoder (Mike Melanson)

  1673. - FFV1 codec (our very simple lossless intra only codec, compresses much better

  1674.   than HuffYUV) (Michael)

  1675. - ASV1 (Asus), H.264, Intel indeo3 codecs have been added (various)

  1676. - tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with

  1677.   alpha support), JPEG YUV colorspace support. (Fabrice Bellard)

  1678. - ffplay has been replaced with a newer version which uses SDL (optionally)

  1679.   for multiplatform support (Fabrice)

  1680. - Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated

  1681.   by anonymous

  1682. - AMR format has been added (Johannes Carlsson)

  1683. - 3GP support has been added (Johannes Carlsson)

  1684. - VP3 codec has been added (Mike Melanson)

  1685. - more MPEG-1/2 fixes

  1686. - better multiplatform support, MS Visual Studio fixes (various)

  1687. - AltiVec optimizations (Magnus Damn and others)

  1688. - SH4 processor support has been added (BERO)

  1689. - new public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)

  1690. - VOB streaming support (Brian Foley)

  1691. - better MP3 autodetection (Andriy Rysin)

  1692. - qpel encoding (Michael)

  1693. - 4mv+b frames encoding finally fixed (Michael)

  1694. - chroma ME (Michael)

  1695. - 5 comparison functions for ME (Michael)

  1696. - B-frame encoding speedup (Michael)

  1697. - WMV2 codec (unfinished - Michael)

  1698. - user specified diamond size for EPZS (Michael)

  1699. - Playstation STR playback subsystem, still experimental (Mike and Michael)

  1700. - ASV2 codec (Michael)

  1701. - CLJR decoder (Alex)

  1702. 

  1703. .. And lots more new enhancements and fixes.

  1704. 

  1705. 

  1706. version 0.4.6:

  1707. 

  1708. - completely new integer only MPEG audio layer 1/2/3 decoder rewritten

  1709.   from scratch

  1710. - Recoded DCT and motion vector search with gcc (no longer depends on nasm)

  1711. - fix quantization bug in AC3 encoder

  1712. - added PCM codecs and format. Corrected WAV/AVI/ASF PCM issues

  1713. - added prototype ffplay program

  1714. - added GOB header parsing on H.263/H.263+ decoder (Juanjo)

  1715. - bug fix on MCBPC tables of H.263 (Juanjo)

  1716. - bug fix on DC coefficients of H.263 (Juanjo)

  1717. - added Advanced Prediction Mode on H.263/H.263+ decoder (Juanjo)

  1718. - now we can decode H.263 streams found in QuickTime files (Juanjo)

  1719. - now we can decode H.263 streams found in VIVO v1 files(Juanjo)

  1720. - preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)

  1721. - added GOB header for H.263/H.263+ coding on RTP mode (Juanjo)

  1722. - now H.263 picture size is returned on the first decoded frame (Juanjo)

  1723. - added first regression tests

  1724. - added MPEG-2 TS demuxer

  1725. - new demux API for libav

  1726. - more accurate and faster IDCT (Michael)

  1727. - faster and entropy-controlled motion search (Michael)

  1728. - two pass video encoding (Michael)

  1729. - new video rate control (Michael)

  1730. - added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)

  1731. - great performance improvement of video encoders and decoders (Michael)

  1732. - new and faster bit readers and vlc parsers (Michael)

  1733. - high quality encoding mode: tries all macroblock/VLC types (Michael)

  1734. - added DV video decoder

  1735. - preliminary RTP/RTSP support in ffserver and libavformat

  1736. - H.263+ AIC decoding/encoding support (Juanjo)

  1737. - VCD MPEG-PS mode (Juanjo)

  1738. - PSNR stuff (Juanjo)

  1739. - simple stats output (Juanjo)

  1740. - 16-bit and 15-bit RGB/BGR/GBR support (Bisqwit)

  1741. 

  1742. 

  1743. version 0.4.5:

  1744. 

  1745. - some header fixes (Zdenek Kabelac <kabi at informatics.muni.cz>)

  1746. - many MMX optimizations (Nick Kurshev <nickols_k at mail.ru>)

  1747. - added configure system (actually a small shell script)

  1748. - added MPEG audio layer 1/2/3 decoding using LGPL'ed mpglib by

  1749.   Michael Hipp (temporary solution - waiting for integer only

  1750.   decoder)

  1751. - fixed VIDIOCSYNC interrupt

  1752. - added Intel H.263 decoding support ('I263' AVI fourCC)

  1753. - added Real Video 1.0 decoding (needs further testing)

  1754. - simplified image formats again. Added PGM format (=grey

  1755.   pgm). Renamed old PGM to PGMYUV.

  1756. - fixed msmpeg4 slice issues (tell me if you still find problems)

  1757. - fixed OpenDivX bugs with newer versions (added VOL header decoding)

  1758. - added support for MPlayer interface

  1759. - added macroblock skip optimization

  1760. - added MJPEG decoder

  1761. - added mmx/mmxext IDCT from libmpeg2

  1762. - added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer

  1763.   <celer at shell.scrypt.net>)

  1764. - added pixel format conversion layer (e.g. for MJPEG or PPM)

  1765. - added deinterlacing option

  1766. - MPEG-1/2 fixes

  1767. - MPEG-4 vol header fixes (Jonathan Marsden <snmjbm at pacbell.net>)

  1768. - ARM optimizations (Lionel Ulmer <lionel.ulmer at free.fr>).

  1769. - Windows porting of file converter

  1770. - added MJPEG raw format (input/output)

  1771. - added JPEG image format support (input/output)

  1772. 

  1773. 

  1774. version 0.4.4:

  1775. 

  1776. - fixed some std header definitions (Bjorn Lindgren

  1777.   <bjorn.e.lindgren at telia.com>).

  1778. - added MPEG demuxer (MPEG-1 and 2 compatible).

  1779. - added ASF demuxer

  1780. - added prototype RM demuxer

  1781. - added AC3 decoding (done with libac3 by Aaron Holtzman)

  1782. - added decoding codec parameter guessing (.e.g. for MPEG, because the

  1783.   header does not include them)

  1784. - fixed header generation in MPEG-1, AVI and ASF muxer: wmplayer can now

  1785.   play them (only tested video)

  1786. - fixed H.263 white bug

  1787. - fixed phase rounding in img resample filter

  1788. - add MMX code for polyphase img resample filter

  1789. - added CPU autodetection

  1790. - added generic title/author/copyright/comment string handling (ASF and RM

  1791.   use them)

  1792. - added SWF demux to extract MP3 track (not usable yet because no MP3

  1793.   decoder)

  1794. - added fractional frame rate support

  1795. - codecs are no longer searched by read_header() (should fix ffserver

  1796.   segfault)

  1797. 

  1798. 

  1799. version 0.4.3:

  1800. 

  1801. - BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq at amsat.org>)

  1802. - fixed raw yuv output

  1803. - added motion rounding support in MPEG-4

  1804. - fixed motion bug rounding in MSMPEG4

  1805. - added B-frame handling in video core

  1806. - added full MPEG-1 decoding support

  1807. - added partial (frame only) MPEG-2 support

  1808. - changed the FOURCC code for H.263 to "U263" to be able to see the

  1809.   +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with

  1810.   this +codec ;) (JuanJo).

  1811. - Halfpel motion estimation after MB type selection (JuanJo)

  1812. - added pgm and .Y.U.V output format

  1813. - suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or

  1814.   output.

  1815. - added pgmpipe I/O format (original patch from Martin Aumueller

  1816.   <lists at reserv.at>, but changed completely since we use a format

  1817.   instead of a protocol)

  1818. 

  1819. 

  1820. version 0.4.2:

  1821. 

  1822. - added H.263/MPEG-4/MSMPEG4 decoding support. MPEG-4 decoding support

  1823.   (for OpenDivX) is almost complete: 8x8 MVs and rounding are

  1824.   missing. MSMPEG4 support is complete.

  1825. - added prototype MPEG-1 decoder. Only I- and P-frames handled yet (it

  1826.   can decode ffmpeg MPEGs :-)).

  1827. - added libavcodec API documentation (see apiexample.c).

  1828. - fixed image polyphase bug (the bottom of some images could be

  1829.   greenish)

  1830. - added support for non clipped motion vectors (decoding only)

  1831.   and image sizes non-multiple of 16

  1832. - added support for AC prediction (decoding only)

  1833. - added file overwrite confirmation (can be disabled with -y)

  1834. - added custom size picture to H.263 using H.263+ (Juanjo)

  1835. 

  1836. 

  1837. version 0.4.1:

  1838. 

  1839. - added MSMPEG4 (aka DivX) compatible encoder. Changed default codec

  1840.   of AVI and ASF to DIV3.

  1841. - added -me option to set motion estimation method

  1842.   (default=log). suppressed redundant -hq option.

  1843. - added options -acodec and -vcodec to force a given codec (useful for

  1844.   AVI for example)

  1845. - fixed -an option

  1846. - improved dct_quantize speed

  1847. - factorized some motion estimation code

  1848. 

  1849. 

  1850. version 0.4.0:

  1851. 

  1852. - removing grab code from ffserver and moved it to ffmpeg. Added

  1853.   multistream support to ffmpeg.

  1854. - added timeshifting support for live feeds (option ?date=xxx in the

  1855.   URL)

  1856. - added high quality image resize code with polyphase filter (need

  1857.   mmx/see optimization). Enable multiple image size support in ffserver.

  1858. - added multi live feed support in ffserver

  1859. - suppressed master feature from ffserver (it should be done with an

  1860.   external program which opens the .ffm url and writes it to another

  1861.   ffserver)

  1862. - added preliminary support for video stream parsing (WAV and AVI half

  1863.   done). Added proper support for audio/video file conversion in

  1864.   ffmpeg.

  1865. - added preliminary support for video file sending from ffserver

  1866. - redesigning I/O subsystem: now using URL based input and output

  1867.   (see avio.h)

  1868. - added WAV format support

  1869. - added "tty user interface" to ffmpeg to stop grabbing gracefully

  1870. - added MMX/SSE optimizations to SAD (Sums of Absolutes Differences)

  1871.   (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo at atmlab.utfsm.cl>)

  1872. - added MMX DCT from mpeg2_movie 1.5 (Juanjo)

  1873. - added new motion estimation algorithms, log and phods (Juanjo)

  1874. - changed directories: libav for format handling, libavcodec for

  1875.   codecs

  1876. 

  1877. 

  1878. version 0.3.4:

  1879. 

  1880. - added stereo in MPEG audio encoder

  1881. 

  1882. 

  1883. version 0.3.3:

  1884. 

  1885. - added 'high quality' mode which use motion vectors. It can be used in

  1886.   real time at low resolution.

  1887. - fixed rounding problems which caused quality problems at high

  1888.   bitrates and large GOP size

  1889. 

  1890. 

  1891. version 0.3.2: small fixes

  1892. 

  1893. - ASF fixes

  1894. - put_seek bug fix

  1895. 

  1896. 

  1897. version 0.3.1: added avi/divx support

  1898. 

  1899. - added AVI support

  1900. - added MPEG-4 codec compatible with OpenDivX. It is based on the H.263 codec

  1901. - added sound for flash format (not tested)

  1902. 

  1903. 

  1904. version 0.3: initial public release