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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. 

  55. 

  56. version 4.3:

  57. - v360 filter

  58. - Intel QSV-accelerated MJPEG decoding

  59. - Intel QSV-accelerated VP9 decoding

  60. - Support for TrueHD in mp4

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

  62. - IMM5 video decoder

  63. - ZeroMQ protocol

  64. - support Sipro ACELP.KELVIN decoding

  65. - streamhash muxer

  66. - sierpinski video source

  67. - scroll video filter

  68. - photosensitivity filter

  69. - anlms filter

  70. - arnndn filter

  71. - bilateral filter

  72. - maskedmin and maskedmax filters

  73. - VDPAU VP9 hwaccel

  74. - median filter

  75. - QSV-accelerated VP9 encoding

  76. - AV1 encoding support via librav1e

  77. - AV1 frame merge bitstream filter

  78. - AV1 Annex B demuxer

  79. - axcorrelate filter

  80. - mvdv decoder

  81. - mvha decoder

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

  83. - thistogram filter

  84. - freezeframes filter

  85. - Argonaut Games ADPCM decoder

  86. - Argonaut Games ASF demuxer

  87. - xfade video filter

  88. - xfade_opencl filter

  89. - afirsrc audio filter source

  90. - pad_opencl filter

  91. - Simon & Schuster Interactive ADPCM decoder

  92. - Real War KVAG demuxer

  93. - CDToons video decoder

  94. - siren audio decoder

  95. - Rayman 2 ADPCM decoder

  96. - Rayman 2 APM demuxer

  97. - cas video filter

  98. - High Voltage Software ADPCM decoder

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

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

  101. - Vulkan support

  102. - avgblur_vulkan, overlay_vulkan, scale_vulkan and chromaber_vulkan filters

  103. - ADPCM IMA MTF decoder

  104. - FWSE demuxer

  105. - DERF DPCM decoder

  106. - DERF demuxer

  107. - CRI HCA decoder

  108. - CRI HCA demuxer

  109. - overlay_cuda filter

  110. - switch from AvxSynth to AviSynth+ on Linux

  111. - mv30 decoder

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

  113. - WebP parser

  114. - tmedian filter

  115. - maskedthreshold filter

  116. - Support for muxing pcm and pgs in m2ts

  117. - Cunning Developments ADPCM decoder

  118. - asubboost filter

  119. - Pro Pinball Series Soundbank demuxer

  120. - pcm_rechunk bitstream filter

  121. - scdet filter

  122. - NotchLC decoder

  123. - gradients source video filter

  124. - MediaFoundation encoder wrapper

  125. - untile filter

  126. - Simon & Schuster Interactive ADPCM encoder

  127. - PFM decoder

  128. - dblur video filter

  129. - Real War KVAG muxer

  130. 

  131. 

  132. version 4.2:

  133. - tpad filter

  134. - AV1 decoding support through libdav1d

  135. - dedot filter

  136. - chromashift and rgbashift filters

  137. - freezedetect filter

  138. - truehd_core bitstream filter

  139. - dhav demuxer

  140. - PCM-DVD encoder

  141. - GIF parser

  142. - vividas demuxer

  143. - hymt decoder

  144. - anlmdn filter

  145. - maskfun filter

  146. - hcom demuxer and decoder

  147. - ARBC decoder

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

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

  150. - removed libndi-newtek

  151. - agm decoder

  152. - KUX demuxer

  153. - AV1 frame split bitstream filter

  154. - lscr decoder

  155. - lagfun filter

  156. - asoftclip filter

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

  158. - colorhold filter

  159. - xmedian filter

  160. - asr filter

  161. - showspatial multimedia filter

  162. - VP4 video decoder

  163. - IFV demuxer

  164. - derain filter

  165. - deesser filter

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

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

  168. 

  169. 

  170. version 4.1:

  171. - deblock filter

  172. - tmix filter

  173. - amplify filter

  174. - fftdnoiz filter

  175. - aderivative and aintegral audio filters

  176. - pal75bars and pal100bars video filter sources

  177. - support mbedTLS based TLS

  178. - adeclick filter

  179. - adeclip filter

  180. - libtensorflow backend for DNN based filters like srcnn

  181. - vc1 decoder is now bit-exact

  182. - ATRAC9 decoder

  183. - lensfun wrapper filter

  184. - colorconstancy filter

  185. - AVS2 video decoder via libdavs2

  186. - IMM4 video decoder

  187. - Brooktree ProSumer video decoder

  188. - MatchWare Screen Capture Codec decoder

  189. - WinCam Motion Video decoder

  190. - 1D LUT filter (lut1d)

  191. - RemotelyAnywhere Screen Capture decoder

  192. - cue and acue filters

  193. - support for AV1 in MP4

  194. - transpose_npp filter

  195. - AVS2 video encoder via libxavs2

  196. - amultiply filter

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

  198. - acrossover filter

  199. - ilbc decoder

  200. - audio denoiser as afftdn filter

  201. - AV1 parser

  202. - SER demuxer

  203. - sinc audio filter source

  204. - chromahold filter

  205. - setparams filter

  206. - vibrance filter

  207. - decoding S12M timecode in h264

  208. - xstack filter

  209. - pcm vidc decoder and encoder

  210. - (a)graphmonitor filter

  211. - yadif_cuda filter

  212. 

  213. 

  214. version 4.0:

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

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

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

  218. - VDA dropped (use VideoToolbox instead)

  219. - MagicYUV encoder

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

  221. - TiVo ty/ty+ demuxer

  222. - Intel QSV-accelerated MJPEG encoding

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

  224. - native aptX and aptX HD encoder and decoder

  225. - Raw aptX and aptX HD muxer and demuxer

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

  227. - Intel QSV-accelerated overlay filter

  228. - mcompand audio filter

  229. - acontrast audio filter

  230. - OpenCL overlay filter

  231. - video mix filter

  232. - video normalize filter

  233. - audio lv2 wrapper filter

  234. - VAAPI MJPEG and VP8 decoding

  235. - AMD AMF H.264 and HEVC encoders

  236. - video fillborders filter

  237. - video setrange filter

  238. - nsp demuxer

  239. - support LibreSSL (via libtls)

  240. - AVX-512/ZMM support added

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

  242.   version is Windows Vista.

  243. - deconvolve video filter

  244. - entropy video filter

  245. - hilbert audio filter source

  246. - aiir audio filter

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

  248. - Removed the ffserver program

  249. - Removed the ffmenc and ffmdec muxer and demuxer

  250. - VideoToolbox HEVC encoder and hwaccel

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

  252. - Add android_camera indev

  253. - codec2 en/decoding via libcodec2

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

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

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

  257. - native SBC encoder and decoder

  258. - drmeter audio filter

  259. - hapqa_extract bitstream filter

  260. - filter_units bitstream filter

  261. - AV1 Support through libaom

  262. - E-AC-3 dependent frames support

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

  264. - Haivision SRT protocol via libsrt

  265. - segafilm muxer

  266. - vfrdet filter

  267. - SRCNN filter

  268. 

  269. 

  270. version 3.4:

  271. - deflicker video filter

  272. - doubleweave video filter

  273. - lumakey video filter

  274. - pixscope video filter

  275. - oscilloscope video filter

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

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

  278. - afir audio filter

  279. - scale_cuda CUDA based video scale filter

  280. - librsvg support for svg rasterization

  281. - crossfeed audio filter

  282. - spec compliant VP9 muxing support in MP4

  283. - remove the libnut muxer/demuxer wrappers

  284. - remove the libschroedinger encoder/decoder wrappers

  285. - surround audio filter

  286. - sofalizer filter switched to libmysofa

  287. - Gremlin Digital Video demuxer and decoder

  288. - headphone audio filter

  289. - superequalizer audio filter

  290. - roberts video filter

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

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

  293. - additional frame format support for Interplay MVE movies

  294. - support for decoding through D3D11VA in ffmpeg

  295. - limiter video filter

  296. - libvmaf video filter

  297. - Dolby E decoder and SMPTE 337M demuxer

  298. - unpremultiply video filter

  299. - tlut2 video filter

  300. - floodfill video filter

  301. - pseudocolor video filter

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

  303. - NewTek NDI input/output device

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

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

  306.   They must always be used by name.

  307. - FITS demuxer and decoder

  308. - FITS muxer and encoder

  309. - add --disable-autodetect build switch

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

  311. - despill video filter

  312. - haas audio filter

  313. - SUP/PGS subtitle muxer

  314. - convolve video filter

  315. - VP9 tile threading support

  316. - KMS screen grabber

  317. - CUDA thumbnail filter

  318. - V4L2 mem2mem HW assisted codecs

  319. - Rockchip MPP hardware decoding

  320. - vmafmotion video filter

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

  322. 

  323. 

  324. version 3.3:

  325. - CrystalHD decoder moved to new decode API

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

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

  328. - premultiply video filter

  329. - Support for spherical videos

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

  331. - PSD Decoder

  332. - 16.8 floating point pcm decoder

  333. - 24.0 floating point pcm decoder

  334. - Apple Pixlet decoder

  335. - QDMC audio decoder

  336. - NewTek SpeedHQ decoder

  337. - MIDI Sample Dump Standard demuxer

  338. - readeia608 filter

  339. - Sample Dump eXchange demuxer

  340. - abitscope multimedia filter

  341. - Scenarist Closed Captions demuxer and muxer

  342. - threshold filter

  343. - midequalizer filter

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

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

  346. - FM Screen Capture Codec decoder

  347. - native Opus encoder

  348. - ScreenPressor decoder

  349. - incomplete ClearVideo decoder

  350. - Intel QSV video scaling and deinterlacing filters

  351. - Support MOV with multiple sample description tables

  352. - XPM decoder

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

  354. - MPEG-7 Video Signature filter

  355. - Removed asyncts filter (use af_aresample instead)

  356. - Intel QSV-accelerated VP8 video decoding

  357. - VAAPI-accelerated deinterlacing

  358. 

  359. 

  360. version 3.2:

  361. - libopenmpt demuxer

  362. - tee protocol

  363. - Changed metadata print option to accept general urls

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

  365. - VP8 in Ogg muxing

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

  367. - 16-bit support in curves filter and selectivecolor filter

  368. - OpenH264 decoder wrapper

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

  370. - True Audio (TTA) muxer

  371. - crystalizer audio filter

  372. - acrusher audio filter

  373. - bitplanenoise video filter

  374. - floating point support in als decoder

  375. - fifo muxer

  376. - maskedclamp filter

  377. - hysteresis filter

  378. - lut2 filter

  379. - yuvtestsrc filter

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

  381. - vaguedenoiser filter

  382. - added threads option per filter instance

  383. - weave filter

  384. - gblur filter

  385. - avgblur filter

  386. - sobel and prewitt filter

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

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

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

  390. - sdl2 output device and ffplay support

  391. - sdl1 output device and sdl1 support removed

  392. - extended mov edit list support

  393. - libfaac encoder removed

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

  395. - sidedata video and asidedata audio filter

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

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

  398. 

  399. 

  400. version 3.1:

  401. - DXVA2-accelerated HEVC Main10 decoding

  402. - fieldhint filter

  403. - loop video filter and aloop audio filter

  404. - Bob Weaver deinterlacing filter

  405. - firequalizer filter

  406. - datascope filter

  407. - bench and abench filters

  408. - ciescope filter

  409. - protocol blacklisting API

  410. - MediaCodec H264 decoding

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

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

  413. - AudioToolbox audio decoders

  414. - AudioToolbox audio encoders

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

  416. - libdcadec removed

  417. - bitstream filter for extracting DTS core

  418. - ADPCM IMA DAT4 decoder

  419. - musx demuxer

  420. - aix demuxer

  421. - remap filter

  422. - hash and framehash muxers

  423. - colorspace filter

  424. - hdcd filter

  425. - readvitc filter

  426. - VAAPI-accelerated format conversion and scaling

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

  428. - Duck TrueMotion 2.0 Real Time decoder

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

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

  431. - DTS Express (LBR) decoder

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

  433. - IFF ANIM demuxer & decoder

  434. - Direct Stream Transfer (DST) decoder

  435. - loudnorm filter

  436. - MTAF demuxer and decoder

  437. - MagicYUV decoder

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

  439. - BitJazz SheerVideo decoder

  440. - CUDA CUVID H264/HEVC decoder

  441. - 10-bit depth support in native utvideo decoder

  442. - libutvideo wrapper removed

  443. - YUY2 Lossless Codec decoder

  444. - VideoToolbox H.264 encoder

  445. 

  446. 

  447. version 3.0:

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

  449. - DXV decoding

  450. - extrastereo filter

  451. - ocr filter

  452. - alimiter filter

  453. - stereowiden filter

  454. - stereotools filter

  455. - rubberband filter

  456. - tremolo filter

  457. - agate filter

  458. - chromakey filter

  459. - maskedmerge filter

  460. - Screenpresso SPV1 decoding

  461. - chromaprint fingerprinting muxer

  462. - ffplay dynamic volume control

  463. - displace filter

  464. - selectivecolor filter

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

  466. - ADPCM PSX decoder

  467. - 3dostr, dcstr, fsb, genh, vag, xvag, ads, msf, svag & vpk demuxer

  468. - zscale filter

  469. - wve demuxer

  470. - zero-copy Intel QSV transcoding in ffmpeg

  471. - shuffleframes filter

  472. - SDX2 DPCM decoder

  473. - vibrato filter

  474. - innoHeim/Rsupport Screen Capture Codec decoder

  475. - ADPCM AICA decoder

  476. - Interplay ACM demuxer and audio decoder

  477. - XMA1 & XMA2 decoder

  478. - realtime filter

  479. - anoisesrc audio filter source

  480. - IVR demuxer

  481. - compensationdelay filter

  482. - acompressor filter

  483. - support encoding 16-bit RLE SGI images

  484. - apulsator filter

  485. - sidechaingate audio filter

  486. - mipsdspr1 option has been renamed to mipsdsp

  487. - aemphasis filter

  488. - mips32r5 option has been removed

  489. - mips64r6 option has been removed

  490. - DXVA2-accelerated VP9 decoding

  491. - SOFAlizer: virtual binaural acoustics filter

  492. - VAAPI VP9 hwaccel

  493. - audio high-order multiband parametric equalizer

  494. - automatic bitstream filtering

  495. - showspectrumpic filter

  496. - libstagefright support removed

  497. - spectrumsynth filter

  498. - ahistogram filter

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

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

  501. - afftfilt filter

  502. - convolution filter

  503. - libquvi support removed

  504. - support for dvaudio in wav and avi

  505. - libaacplus and libvo-aacenc support removed

  506. - Cineform HD decoder

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

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

  509. - nnedi deinterlacer

  510. - streamselect video and astreamselect audio filter

  511. - swaprect filter

  512. - metadata video and ametadata audio filter

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

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

  515. 

  516. 

  517. version 2.8:

  518. - colorkey video filter

  519. - BFSTM/BCSTM demuxer

  520. - little-endian ADPCM_THP decoder

  521. - Hap decoder and encoder

  522. - DirectDraw Surface image/texture decoder

  523. - ssim filter

  524. - optional new ASF demuxer

  525. - showvolume filter

  526. - Many improvements to the JPEG 2000 decoder

  527. - Go2Meeting decoding support

  528. - adrawgraph audio and drawgraph video filter

  529. - removegrain video filter

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

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

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

  533. - libkvazaar HEVC encoder

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

  535. - Dynamic Audio Normalizer as dynaudnorm filter

  536. - Reverse video and areverse audio filter

  537. - Random filter

  538. - deband filter

  539. - AAC fixed-point decoding

  540. - sidechaincompress audio filter

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

  542. - acrossfade audio filter

  543. - allyuv and allrgb video sources

  544. - atadenoise video filter

  545. - OS X VideoToolbox support

  546. - aphasemeter filter

  547. - showfreqs filter

  548. - vectorscope filter

  549. - waveform filter

  550. - hstack and vstack filter

  551. - Support DNx100 (1440x1080@8)

  552. - VAAPI hevc hwaccel

  553. - VDPAU hevc hwaccel

  554. - framerate filter

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

  556. - Removed experimental flag from the JPEG 2000 encoder

  557. 

  558. 

  559. version 2.7:

  560. - FFT video filter

  561. - TDSC decoder

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

  563. - showwavespic filter

  564. - DTS decoding through libdcadec

  565. - Drop support for nvenc API before 5.0

  566. - nvenc HEVC encoder

  567. - Detelecine filter

  568. - Intel QSV-accelerated H.264 encoding

  569. - MMAL-accelerated H.264 decoding

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

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

  572. - WebM Live Chunk Muxer

  573. - nvenc level and tier options

  574. - chorus filter

  575. - Canopus HQ/HQA decoder

  576. - Automatically rotate videos based on metadata in ffmpeg

  577. - improved Quickdraw compatibility

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

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

  580. - Direct3D11-accelerated decoding

  581. - Support Secure Transport

  582. - Multipart JPEG demuxer

  583. 

  584. 

  585. version 2.6:

  586. - nvenc encoder

  587. - 10bit spp filter

  588. - colorlevels filter

  589. - RIFX format for *.wav files

  590. - RTP/mpegts muxer

  591. - non continuous cache protocol support

  592. - tblend filter

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

  594. - Camellia symmetric block cipher

  595. - OpenH264 encoder wrapper

  596. - VOC seeking support

  597. - Closed caption Decoder

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

  599. - showpalette filter

  600. - Twofish symmetric block cipher

  601. - Support DNx100 (960x720@8)

  602. - eq2 filter ported from libmpcodecs as eq filter

  603. - removed libmpcodecs

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

  605. - ported softpulldown filter from libmpcodecs as repeatfields filter

  606. - dcshift filter

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

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

  609. - palettegen and paletteuse filters

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

  611. - RTP depacketizer for DV (RFC 6469)

  612. - DXVA2-accelerated HEVC decoding

  613. - AAC ELD 480 decoding

  614. - Intel QSV-accelerated H.264 decoding

  615. - DSS SP decoder and DSS demuxer

  616. - Fix stsd atom corruption in DNxHD QuickTimes

  617. - Canopus HQX decoder

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

  619. - Port MIPS optimizations to 64-bit

  620. 

  621. 

  622. version 2.5:

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

  624. - SUP/PGS subtitle demuxer

  625. - ffprobe -show_pixel_formats option

  626. - CAST128 symmetric block cipher, ECB mode

  627. - STL subtitle demuxer and decoder

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

  629. - XCB-based screen-grabber

  630. - UDP-Lite support (RFC 3828)

  631. - xBR scaling filter

  632. - AVFoundation screen capturing support

  633. - ffserver supports codec private options

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

  635. - WebP muxer with animated WebP support

  636. - zygoaudio decoding support

  637. - APNG demuxer

  638. - postproc visualization support

  639. 

  640. 

  641. version 2.4:

  642. - Icecast protocol

  643. - ported lenscorrection filter from frei0r filter

  644. - large optimizations in dctdnoiz to make it usable

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

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

  647. - LZMA compression support in TIFF decoder

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

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

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

  651. - Matroska 3D support thorugh side data

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

  653. - silenceremove filter

  654. 

  655. 

  656. version 2.3:

  657. - AC3 fixed-point decoding

  658. - shuffleplanes filter

  659. - subfile protocol

  660. - Phantom Cine demuxer

  661. - replaygain data export

  662. - VP7 video decoder

  663. - Alias PIX image encoder and decoder

  664. - Improvements to the BRender PIX image decoder

  665. - Improvements to the XBM decoder

  666. - QTKit input device

  667. - improvements to OpenEXR image decoder

  668. - support decoding 16-bit RLE SGI images

  669. - GDI screen grabbing for Windows

  670. - alternative rendition support for HTTP Live Streaming

  671. - AVFoundation input device

  672. - Direct Stream Digital (DSD) decoder

  673. - Magic Lantern Video (MLV) demuxer

  674. - On2 AVC (Audio for Video) decoder

  675. - support for decoding through DXVA2 in ffmpeg

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

  677. - libx264 reference frames count limiting depending on level

  678. - native Opus decoder

  679. - display matrix export and rotation API

  680. - WebVTT encoder

  681. - showcqt multimedia filter

  682. - zoompan filter

  683. - signalstats filter

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

  685. - flanger filter

  686. - Image format auto-detection

  687. - LRC demuxer and muxer

  688. - Samba protocol (via libsmbclient)

  689. - WebM DASH Manifest muxer

  690. - libfribidi support in drawtext

  691. 

  692. 

  693. version 2.2:

  694. 

  695. - HNM version 4 demuxer and video decoder

  696. - Live HDS muxer

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

  698. - elbg filter

  699. - string validation in ffprobe

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

  701. - complete Voxware MetaSound decoder

  702. - remove mp3_header_compress bitstream filter

  703. - Windows resource files for shared libraries

  704. - aeval filter

  705. - stereoscopic 3d metadata handling

  706. - WebP encoding via libwebp

  707. - ATRAC3+ decoder

  708. - VP8 in Ogg demuxing

  709. - side & metadata support in NUT

  710. - framepack filter

  711. - XYZ12 rawvideo support in NUT

  712. - Exif metadata support in WebP decoder

  713. - OpenGL device

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

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

  716. - Mirillis FIC video decoder

  717. - Support DNx444

  718. - libx265 encoder

  719. - dejudder filter

  720. - Autodetect VDA like all other hardware accelerations

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

  722. 

  723. 

  724. version 2.1:

  725. 

  726. - aecho filter

  727. - perspective filter ported from libmpcodecs

  728. - ffprobe -show_programs option

  729. - compand filter

  730. - RTMP seek support

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

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

  733.   the -noaccurate_seek option.

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

  735.   data read from an input file

  736. - incomplete Voxware MetaSound decoder

  737. - read EXIF metadata from JPEG

  738. - DVB teletext decoder

  739. - phase filter ported from libmpcodecs

  740. - w3fdif filter

  741. - Opus support in Matroska

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

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

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

  745.   more consistent with other muxers.

  746. - adelay filter

  747. - pullup filter ported from libmpcodecs

  748. - ffprobe -read_intervals option

  749. - Lossless and alpha support for WebP decoder

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

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

  752. - mux chapters in ASF files

  753. - SFTP protocol (via libssh)

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

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

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

  757.   the skip_alpha flag.

  758. - ladspa wrapper filter

  759. - native VP9 decoder

  760. - dpx parser

  761. - max_error_rate parameter in ffmpeg

  762. - PulseAudio output device

  763. - ReplayGain scanner

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

  765. - Linux framebuffer output device

  766. - HEVC decoder

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

  768. - mergeplanes filter

  769. 

  770. 

  771. version 2.0:

  772. 

  773. - curves filter

  774. - reference-counting for AVFrame and AVPacket data

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

  776.   or vice versa

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

  778. - perms and aperms filters

  779. - audio filtering support in ffplay

  780. - 10% faster aac encoding on x86 and MIPS

  781. - sine audio filter source

  782. - WebP demuxing and decoding support

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

  784.   filtergraph description to be read from a file

  785. - OpenCL support

  786. - audio phaser filter

  787. - separatefields filter

  788. - libquvi demuxer

  789. - uniform options syntax across all filters

  790. - telecine filter

  791. - interlace filter

  792. - smptehdbars source

  793. - inverse telecine filters (fieldmatch and decimate)

  794. - colorbalance filter

  795. - colorchannelmixer filter

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

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

  798. - decent native animated GIF encoding

  799. - asetrate filter

  800. - interleave filter

  801. - timeline editing with filters

  802. - vidstabdetect and vidstabtransform filters for video stabilization using

  803.   the vid.stab library

  804. - astats filter

  805. - trim and atrim filters

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

  807.   transcoding audio

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

  809. - extractplanes filter

  810. - avectorscope filter

  811. - ADPCM DTK decoder

  812. - ADP demuxer

  813. - RSD demuxer

  814. - RedSpark demuxer

  815. - ADPCM IMA Radical decoder

  816. - zmq filters

  817. - DCT denoiser filter (dctdnoiz)

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

  819. - Apple Intermediate Codec decoder

  820. - Escape 130 video decoder

  821. - FTP protocol support

  822. - V4L2 output device

  823. - 3D LUT filter (lut3d)

  824. - SMPTE 302M audio encoder

  825. - support for slice multithreading in libavfilter

  826. - Hald CLUT support (generation and filtering)

  827. - VC-1 interlaced B-frame support

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

  829. - XVideo output device

  830. - vignette filter

  831. - True Audio (TTA) encoder

  832. - Go2Webinar decoder

  833. - mcdeint filter ported from libmpcodecs

  834. - sab filter ported from libmpcodecs

  835. - ffprobe -show_chapters option

  836. - WavPack encoding through libwavpack

  837. - rotate filter

  838. - spp filter ported from libmpcodecs

  839. - libgme support

  840. - psnr filter

  841. 

  842. 

  843. version 1.2:

  844. 

  845. - VDPAU hardware acceleration through normal hwaccel

  846. - SRTP support

  847. - Error diffusion dither in Swscale

  848. - Chained Ogg support

  849. - Theora Midstream reconfiguration support

  850. - EVRC decoder

  851. - audio fade filter

  852. - filtering audio with unknown channel layout

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

  854.   and treble audio filter

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

  856. - histogram filter

  857. - tee muxer

  858. - il filter ported from libmpcodecs

  859. - support ID3v2 tags in ASF files

  860. - encrypted TTA stream decoding support

  861. - RF64 support in WAV muxer

  862. - noise filter ported from libmpcodecs

  863. - Subtitles character encoding conversion

  864. - blend filter

  865. - stereo3d filter ported from libmpcodecs

  866. 

  867. 

  868. version 1.1:

  869. 

  870. - stream disposition information printing in ffprobe

  871. - filter for loudness analysis following EBU R128

  872. - Opus encoder using libopus

  873. - ffprobe -select_streams option

  874. - Pinnacle TARGA CineWave YUV16 decoder

  875. - TAK demuxer, decoder and parser

  876. - DTS-HD demuxer

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

  878. - FFM2 support

  879. - X-Face image encoder and decoder

  880. - 24-bit FLAC encoding

  881. - multi-channel ALAC encoding up to 7.1

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

  883. - subtitles raw text decoder

  884. - support for building DLLs using MSVC

  885. - LVF demuxer

  886. - ffescape tool

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

  888. - field filter ported from libmpcodecs

  889. - AVR demuxer

  890. - geq filter ported from libmpcodecs

  891. - remove ffserver daemon mode

  892. - AST muxer/demuxer

  893. - new expansion syntax for drawtext

  894. - BRender PIX image decoder

  895. - ffprobe -show_entries option

  896. - ffprobe -sections option

  897. - ADPCM IMA Dialogic decoder

  898. - BRSTM demuxer

  899. - animated GIF decoder and demuxer

  900. - PVF demuxer

  901. - subtitles filter

  902. - IRCAM muxer/demuxer

  903. - Paris Audio File demuxer

  904. - Virtual concatenation demuxer

  905. - VobSub demuxer

  906. - JSON captions for TED talks decoding support

  907. - SOX Resampler support in libswresample

  908. - aselect filter

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

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

  911. - Silicon Graphics Movie demuxer

  912. - apad filter

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

  914. - documentation split into per-component manuals

  915. - pp (postproc) filter ported from MPlayer

  916. - NIST Sphere demuxer

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

  918. - Sony Wave64 muxer

  919. - adobe and limelight publisher authentication in RTMP

  920. - data: URI scheme

  921. - support building on the Plan 9 operating system

  922. - kerndeint filter ported from MPlayer

  923. - histeq filter ported from VirtualDub

  924. - Megalux Frame demuxer

  925. - 012v decoder

  926. - Improved AVC Intra decoding support

  927. 

  928. 

  929. version 1.0:

  930. 

  931. - INI and flat output in ffprobe

  932. - Scene detection in libavfilter

  933. - Indeo Audio decoder

  934. - channelsplit audio filter

  935. - setnsamples audio filter

  936. - atempo filter

  937. - ffprobe -show_data option

  938. - RTMPT protocol support

  939. - iLBC encoding/decoding via libilbc

  940. - Microsoft Screen 1 decoder

  941. - join audio filter

  942. - audio channel mapping filter

  943. - Microsoft ATC Screen decoder

  944. - RTSP listen mode

  945. - TechSmith Screen Codec 2 decoder

  946. - AAC encoding via libfdk-aac

  947. - Microsoft Expression Encoder Screen decoder

  948. - RTMPS protocol support

  949. - RTMPTS protocol support

  950. - RTMPE protocol support

  951. - RTMPTE protocol support

  952. - showwaves and showspectrum filter

  953. - LucasArts SMUSH SANM playback support

  954. - LucasArts SMUSH VIMA audio decoder (ADPCM)

  955. - LucasArts SMUSH demuxer

  956. - SAMI, RealText and SubViewer demuxers and decoders

  957. - Heart Of Darkness PAF playback support

  958. - iec61883 device

  959. - asettb filter

  960. - new option: -progress

  961. - 3GPP Timed Text encoder/decoder

  962. - GeoTIFF decoder support

  963. - ffmpeg -(no)stdin option

  964. - Opus decoder using libopus

  965. - caca output device using libcaca

  966. - alphaextract and alphamerge filters

  967. - concat filter

  968. - flite filter

  969. - Canopus Lossless Codec decoder

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

  971. - MP2 encoding via TwoLAME

  972. - bmp parser

  973. - smptebars source

  974. - asetpts filter

  975. - hue filter

  976. - ICO muxer

  977. - SubRip encoder and decoder without embedded timing

  978. - edge detection filter

  979. - framestep filter

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

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

  982. - volume measurement filter

  983. - Ut Video encoder

  984. - Microsoft Screen 2 decoder

  985. - smartblur filter ported from MPlayer

  986. - CPiA decoder

  987. - decimate filter ported from MPlayer

  988. - RTP depacketization of JPEG

  989. - Smooth Streaming live segmenter muxer

  990. - F4V muxer

  991. - sendcmd and asendcmd filters

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

  993. - RTP packetization of JPEG

  994. - faststart option in the MOV/MP4 muxer

  995. - support for building with MSVC

  996. 

  997. 

  998. version 0.11:

  999. 

  1000. - Fixes: CVE-2012-2772, CVE-2012-2774, CVE-2012-2775, CVE-2012-2776, CVE-2012-2777,

  1001.          CVE-2012-2779, CVE-2012-2782, CVE-2012-2783, CVE-2012-2784, CVE-2012-2785,

  1002.          CVE-2012-2786, CVE-2012-2787, CVE-2012-2788, CVE-2012-2789, CVE-2012-2790,

  1003.          CVE-2012-2791, CVE-2012-2792, CVE-2012-2793, CVE-2012-2794, CVE-2012-2795,

  1004.          CVE-2012-2796, CVE-2012-2797, CVE-2012-2798, CVE-2012-2799, CVE-2012-2800,

  1005.          CVE-2012-2801, CVE-2012-2802, CVE-2012-2803, CVE-2012-2804,

  1006. - v408 Quicktime and Microsoft AYUV Uncompressed 4:4:4:4 encoder and decoder

  1007. - setfield filter

  1008. - CDXL demuxer and decoder

  1009. - Apple ProRes encoder

  1010. - ffprobe -count_packets and -count_frames options

  1011. - Sun Rasterfile Encoder

  1012. - ID3v2 attached pictures reading and writing

  1013. - WMA Lossless decoder

  1014. - bluray protocol

  1015. - blackdetect filter

  1016. - libutvideo encoder wrapper (--enable-libutvideo)

  1017. - swapuv filter

  1018. - bbox filter

  1019. - XBM encoder and decoder

  1020. - RealAudio Lossless decoder

  1021. - ZeroCodec decoder

  1022. - tile video filter

  1023. - Metal Gear Solid: The Twin Snakes demuxer

  1024. - OpenEXR image decoder

  1025. - removelogo filter

  1026. - drop support for ffmpeg without libavfilter

  1027. - drawtext video filter: fontconfig support

  1028. - ffmpeg -benchmark_all option

  1029. - super2xsai filter ported from libmpcodecs

  1030. - add libavresample audio conversion library for compatibility

  1031. - MicroDVD decoder

  1032. - Avid Meridien (AVUI) encoder and decoder

  1033. - accept + prefix to -pix_fmt option to disable automatic conversions.

  1034. - complete audio filtering in libavfilter and ffmpeg

  1035. - add fps filter

  1036. - vorbis parser

  1037. - png parser

  1038. - audio mix filter

  1039. - ffv1: support (draft) version 1.3

  1040. 

  1041. 

  1042. version 0.10:

  1043. 

  1044. - Fixes: CVE-2011-3929, CVE-2011-3934, CVE-2011-3935, CVE-2011-3936,

  1045.          CVE-2011-3937, CVE-2011-3940, CVE-2011-3941, CVE-2011-3944,

  1046.          CVE-2011-3945, CVE-2011-3946, CVE-2011-3947, CVE-2011-3949,

  1047.          CVE-2011-3950, CVE-2011-3951, CVE-2011-3952

  1048. - v410 Quicktime Uncompressed 4:4:4 10-bit encoder and decoder

  1049. - SBaGen (SBG) binaural beats script demuxer

  1050. - OpenMG Audio muxer

  1051. - Timecode extraction in DV and MOV

  1052. - thumbnail video filter

  1053. - XML output in ffprobe

  1054. - asplit audio filter

  1055. - tinterlace video filter

  1056. - astreamsync audio filter

  1057. - amerge audio filter

  1058. - ISMV (Smooth Streaming) muxer

  1059. - GSM audio parser

  1060. - SMJPEG muxer

  1061. - XWD encoder and decoder

  1062. - Automatic thread count based on detection number of (available) CPU cores

  1063. - y41p Brooktree Uncompressed 4:1:1 12-bit encoder and decoder

  1064. - ffprobe -show_error option

  1065. - Avid 1:1 10-bit RGB Packer codec

  1066. - v308 Quicktime Uncompressed 4:4:4 encoder and decoder

  1067. - yuv4 libquicktime packed 4:2:0 encoder and decoder

  1068. - ffprobe -show_frames option

  1069. - silencedetect audio filter

  1070. - ffprobe -show_program_version, -show_library_versions, -show_versions options

  1071. - rv34: frame-level multi-threading

  1072. - optimized iMDCT transform on x86 using SSE for for mpegaudiodec

  1073. - Improved PGS subtitle decoder

  1074. - dumpgraph option to lavfi device

  1075. - r210 and r10k encoders

  1076. - ffwavesynth decoder

  1077. - aviocat tool

  1078. - ffeval tool

  1079. - support encoding and decoding 4-channel SGI images

  1080. 

  1081. 

  1082. version 0.9:

  1083. 

  1084. - openal input device added

  1085. - boxblur filter added

  1086. - BWF muxer

  1087. - Flash Screen Video 2 decoder

  1088. - lavfi input device added

  1089. - added avconv, which is almost the same for now, except

  1090. for a few incompatible changes in the options, which will hopefully make them

  1091. easier to use. The changes are:

  1092.     * The options placement is now strictly enforced! While in theory the

  1093.       options for ffmpeg should be given in [input options] -i INPUT [output

  1094.       options] OUTPUT order, in practice it was possible to give output options

  1095.       before the -i and it mostly worked. Except when it didn't - the behavior was

  1096.       a bit inconsistent. In avconv, it is not possible to mix input and output

  1097.       options. All non-global options are reset after an input or output filename.

  1098.     * All per-file options are now truly per-file - they apply only to the next

  1099.       input or output file and specifying different values for different files

  1100.       will now work properly (notably -ss and -t options).

  1101.     * All per-stream options are now truly per-stream - it is possible to

  1102.       specify which stream(s) should a given option apply to. See the Stream

  1103.       specifiers section in the avconv manual for details.

  1104.     * In ffmpeg some options (like -newvideo/-newaudio/...) are irregular in the

  1105.       sense that they're specified after the output filename instead of before,

  1106.       like all other options. In avconv this irregularity is removed, all options

  1107.       apply to the next input or output file.

  1108.     * -newvideo/-newaudio/-newsubtitle options were removed. Not only were they

  1109.       irregular and highly confusing, they were also redundant. In avconv the -map

  1110.       option will create new streams in the output file and map input streams to

  1111.       them. E.g. avconv -i INPUT -map 0 OUTPUT will create an output stream for

  1112.       each stream in the first input file.

  1113.     * The -map option now has slightly different and more powerful syntax:

  1114.         + Colons (':') are used to separate file index/stream type/stream index

  1115.           instead of dots. Comma (',') is used to separate the sync stream instead

  1116.           of colon.. This is done for consistency with other options.

  1117.         + It's possible to specify stream type. E.g. -map 0:a:2 creates an

  1118.           output stream from the third input audio stream.

  1119.         + Omitting the stream index now maps all the streams of the given type,

  1120.           not just the first. E.g. -map 0:s creates output streams for all the

  1121.           subtitle streams in the first input file.

  1122.         + Since -map can now match multiple streams, negative mappings were

  1123.           introduced. Negative mappings disable some streams from an already

  1124.           defined map. E.g. '-map 0 -map -0:a:1' means 'create output streams for

  1125.           all the stream in the first input file, except for the second audio

  1126.           stream'.

  1127.     * There is a new option -c (or -codec) for choosing the decoder/encoder to

  1128.       use, which makes it possible to precisely specify target stream(s) consistently with

  1129.       other options. E.g. -c:v lib264 sets the codec for all video streams, -c:a:0

  1130.       libvorbis sets the codec for the first audio stream and -c copy copies all

  1131.       the streams without reencoding. Old -vcodec/-acodec/-scodec options are now

  1132.       aliases to -c:v/a/s

  1133.     * It is now possible to precisely specify which stream should an AVOption

  1134.       apply to. E.g. -b:v:0 2M sets the bitrate for the first video stream, while

  1135.       -b:a 128k sets the bitrate for all audio streams. Note that the old -ab 128k

  1136.       syntax is deprecated and will stop working soon.

  1137.     * -map_chapters now takes only an input file index and applies to the next

  1138.       output file. This is consistent with how all the other options work.

  1139.     * -map_metadata now takes only an input metadata specifier and applies to

  1140.       the next output file. Output metadata specifier is now part of the option

  1141.       name, similarly to the AVOptions/map/codec feature above.

  1142.     * -metadata can now be used to set metadata on streams and chapters, e.g.

  1143.       -metadata:s:1 language=eng sets the language of the first stream to 'eng'.

  1144.       This made -vlang/-alang/-slang options redundant, so they were removed.

  1145.     * -qscale option now uses stream specifiers and applies to all streams, not

  1146.       just video. I.e. plain -qscale number would now apply to all streams. To get

  1147.       the old behavior, use -qscale:v. Also there is now a shortcut -q for -qscale

  1148.       and -aq is now an alias for -q:a.

  1149.     * -vbsf/-absf/-sbsf options were removed and replaced by a -bsf option which

  1150.       uses stream specifiers. Use -bsf:v/a/s instead of the old options.

  1151.     * -itsscale option now uses stream specifiers, so its argument is only the

  1152.       scale parameter.

  1153.     * -intra option was removed, use -g 0 for the same effect.

  1154.     * -psnr option was removed, use -flags +psnr for the same effect.

  1155.     * -vf option is now an alias to the new -filter option, which uses stream specifiers.

  1156.     * -vframes/-aframes/-dframes options are now aliases to the new -frames option.

  1157.     * -vtag/-atag/-stag options are now aliases to the new -tag option.

  1158. - XMV demuxer

  1159. - LOAS demuxer

  1160. - ashowinfo filter added

  1161. - Windows Media Image decoder

  1162. - amovie source added

  1163. - LATM muxer/demuxer

  1164. - Speex encoder via libspeex

  1165. - JSON output in ffprobe

  1166. - WTV muxer

  1167. - Optional C++ Support (needed for libstagefright)

  1168. - H.264 Decoding on Android via Stagefright

  1169. - Prores decoder

  1170. - BIN/XBIN/ADF/IDF text file decoder

  1171. - aconvert audio filter added

  1172. - audio support to lavfi input device added

  1173. - libcdio-paranoia input device for audio CD grabbing

  1174. - Apple ProRes decoder

  1175. - CELT in Ogg demuxing

  1176. - G.723.1 demuxer and decoder

  1177. - libmodplug support (--enable-libmodplug)

  1178. - VC-1 interlaced decoding

  1179. - libutvideo wrapper (--enable-libutvideo)

  1180. - aevalsrc audio source added

  1181. - Ut Video decoder

  1182. - Speex encoding via libspeex

  1183. - 4:2:2 H.264 decoding support

  1184. - 4:2:2 and 4:4:4 H.264 encoding with libx264

  1185. - Pulseaudio input device

  1186. - Prores encoder

  1187. - Video Decoder Acceleration (VDA) HWAccel module.

  1188. - replacement Indeo 3 decoder

  1189. - new ffmpeg option: -map_channel

  1190. - volume audio filter added

  1191. - earwax audio filter added

  1192. - libv4l2 support (--enable-libv4l2)

  1193. - TLS/SSL and HTTPS protocol support

  1194. - AVOptions API rewritten and documented

  1195. - most of CODEC_FLAG2_*, some CODEC_FLAG_* and many codec-specific fields in

  1196.   AVCodecContext deprecated. Codec private options should be used instead.

  1197. - Properly working defaults in libx264 wrapper, support for native presets.

  1198. - Encrypted OMA files support

  1199. - Discworld II BMV decoding support

  1200. - VBLE Decoder

  1201. - OS X Video Decoder Acceleration (VDA) support

  1202. - compact and csv output in ffprobe

  1203. - pan audio filter

  1204. - IFF Amiga Continuous Bitmap (ACBM) decoder

  1205. - ass filter

  1206. - CRI ADX audio format muxer and demuxer

  1207. - Playstation Portable PMP format demuxer

  1208. - Microsoft Windows ICO demuxer

  1209. - life source

  1210. - PCM format support in OMA demuxer

  1211. - CLJR encoder

  1212. - new option: -report

  1213. - Dxtory capture format decoder

  1214. - cellauto source

  1215. - Simple segmenting muxer

  1216. - Indeo 4 decoder

  1217. - SMJPEG demuxer

  1218. 

  1219. 

  1220. version 0.8:

  1221. 

  1222. - many many things we forgot because we rather write code than changelogs

  1223. - WebM support in Matroska de/muxer

  1224. - low overhead Ogg muxing

  1225. - MMS-TCP support

  1226. - VP8 de/encoding via libvpx

  1227. - Demuxer for On2's IVF format

  1228. - Pictor/PC Paint decoder

  1229. - HE-AAC v2 decoder

  1230. - HE-AAC v2 encoding with libaacplus

  1231. - libfaad2 wrapper removed

  1232. - DTS-ES extension (XCh) decoding support

  1233. - native VP8 decoder

  1234. - RTSP tunneling over HTTP

  1235. - RTP depacketization of SVQ3

  1236. - -strict inofficial replaced by -strict unofficial

  1237. - ffplay -exitonkeydown and -exitonmousedown options added

  1238. - native GSM / GSM MS decoder

  1239. - RTP depacketization of QDM2

  1240. - ANSI/ASCII art playback system

  1241. - Lego Mindstorms RSO de/muxer

  1242. - libavcore added (and subsequently removed)

  1243. - SubRip subtitle file muxer and demuxer

  1244. - Chinese AVS encoding via libxavs

  1245. - ffprobe -show_packets option added

  1246. - RTP packetization of Theora and Vorbis

  1247. - RTP depacketization of MP4A-LATM

  1248. - RTP packetization and depacketization of VP8

  1249. - hflip filter

  1250. - Apple HTTP Live Streaming demuxer

  1251. - a64 codec

  1252. - MMS-HTTP support

  1253. - G.722 ADPCM audio encoder/decoder

  1254. - R10k video decoder

  1255. - ocv_smooth filter

  1256. - frei0r wrapper filter

  1257. - change crop filter syntax to width:height:x:y

  1258. - make the crop filter accept parametric expressions

  1259. - make ffprobe accept AVFormatContext options

  1260. - yadif filter

  1261. - blackframe filter

  1262. - Demuxer for Leitch/Harris' VR native stream format (LXF)

  1263. - RTP depacketization of the X-QT QuickTime format

  1264. - SAP (Session Announcement Protocol, RFC 2974) muxer and demuxer

  1265. - cropdetect filter

  1266. - ffmpeg -crop* options removed

  1267. - transpose filter added

  1268. - ffmpeg -force_key_frames option added

  1269. - demuxer for receiving raw rtp:// URLs without an SDP description

  1270. - single stream LATM/LOAS decoder

  1271. - setpts filter added

  1272. - Win64 support for optimized x86 assembly functions

  1273. - MJPEG/AVI1 to JPEG/JFIF bitstream filter

  1274. - ASS subtitle encoder and decoder

  1275. - IEC 61937 encapsulation for E-AC-3, TrueHD, DTS-HD (for HDMI passthrough)

  1276. - overlay filter added

  1277. - rename aspect filter to setdar, and pixelaspect to setsar

  1278. - IEC 61937 demuxer

  1279. - Mobotix .mxg demuxer

  1280. - frei0r source added

  1281. - hqdn3d filter added

  1282. - RTP depacketization of QCELP

  1283. - FLAC parser added

  1284. - gradfun filter added

  1285. - AMR-WB decoder

  1286. - replace the ocv_smooth filter with a more generic ocv filter

  1287. - Windows Televison (WTV) demuxer

  1288. - FFmpeg metadata format muxer and demuxer

  1289. - SubRip (srt) subtitle encoder and decoder

  1290. - floating-point AC-3 encoder added

  1291. - Lagarith decoder

  1292. - ffmpeg -copytb option added

  1293. - IVF muxer added

  1294. - Wing Commander IV movies decoder added

  1295. - movie source added

  1296. - Bink version 'b' audio and video decoder

  1297. - Bitmap Brothers JV playback system

  1298. - Apple HTTP Live Streaming protocol handler

  1299. - sndio support for playback and record

  1300. - Linux framebuffer input device added

  1301. - Chronomaster DFA decoder

  1302. - DPX image encoder

  1303. - MicroDVD subtitle file muxer and demuxer

  1304. - Playstation Portable PMP format demuxer

  1305. - fieldorder video filter added

  1306. - AAC encoding via libvo-aacenc

  1307. - AMR-WB encoding via libvo-amrwbenc

  1308. - xWMA demuxer

  1309. - Mobotix MxPEG decoder

  1310. - VP8 frame-multithreading

  1311. - NEON optimizations for VP8

  1312. - Lots of deprecated API cruft removed

  1313. - fft and imdct optimizations for AVX (Sandy Bridge) processors

  1314. - showinfo filter added

  1315. - SMPTE 302M AES3 audio decoder

  1316. - Apple Core Audio Format muxer

  1317. - 9 bits and 10 bits per sample support in the H.264 decoder

  1318. - 9 bits and 10 bits FFV1 encoding / decoding

  1319. - split filter added

  1320. - select filter added

  1321. - sdl output device added

  1322. - libmpcodecs video filter support (3 times as many filters than before)

  1323. - mpeg2 aspect ratio dection fixed

  1324. - libxvid aspect pickiness fixed

  1325. - Frame multithreaded decoding

  1326. - E-AC-3 audio encoder

  1327. - ac3enc: add channel coupling support

  1328. - floating-point sample format support to the ac3, eac3, dca, aac, and vorbis decoders.

  1329. - H264/MPEG frame-level multi-threading

  1330. - All av_metadata_* functions renamed to av_dict_* and moved to libavutil

  1331. - 4:4:4 H.264 decoding support

  1332. - 10-bit H.264 optimizations for x86

  1333. - lut, lutrgb, and lutyuv filters added

  1334. - buffersink libavfilter sink added

  1335. - Bump libswscale for recently reported ABI break

  1336. - New J2K encoder (via OpenJPEG)

  1337. 

  1338. 

  1339. version 0.7:

  1340. 

  1341. - all the changes for 0.8, but keeping API/ABI compatibility with the 0.6 release

  1342. 

  1343. 

  1344. version 0.6:

  1345. 

  1346. - PB-frame decoding for H.263

  1347. - deprecated vhook subsystem removed

  1348. - deprecated old scaler removed

  1349. - VQF demuxer

  1350. - Alpha channel scaler

  1351. - PCX encoder

  1352. - RTP packetization of H.263

  1353. - RTP packetization of AMR

  1354. - RTP depacketization of Vorbis

  1355. - CorePNG decoding support

  1356. - Cook multichannel decoding support

  1357. - introduced avlanguage helpers in libavformat

  1358. - 8088flex TMV demuxer and decoder

  1359. - per-stream language-tags extraction in asfdec

  1360. - V210 decoder and encoder

  1361. - remaining GPL parts in AC-3 decoder converted to LGPL

  1362. - QCP demuxer

  1363. - SoX native format muxer and demuxer

  1364. - AMR-NB decoding/encoding, AMR-WB decoding via OpenCORE libraries

  1365. - DPX image decoder

  1366. - Electronic Arts Madcow decoder

  1367. - DivX (XSUB) subtitle encoder

  1368. - nonfree libamr support for AMR-NB/WB decoding/encoding removed

  1369. - experimental AAC encoder

  1370. - RTP depacketization of ASF and RTSP from WMS servers

  1371. - RTMP support in libavformat

  1372. - noX handling for OPT_BOOL X options

  1373. - Wave64 demuxer

  1374. - IEC-61937 compatible Muxer

  1375. - TwinVQ decoder

  1376. - Bluray (PGS) subtitle decoder

  1377. - LPCM support in MPEG-TS (HDMV RID as found on Blu-ray disks)

  1378. - WMA Pro decoder

  1379. - Core Audio Format demuxer

  1380. - ATRAC1 decoder

  1381. - MD STUDIO audio demuxer

  1382. - RF64 support in WAV demuxer

  1383. - MPEG-4 Audio Lossless Coding (ALS) decoder

  1384. - -formats option split into -formats, -codecs, -bsfs, and -protocols

  1385. - IV8 demuxer

  1386. - CDG demuxer and decoder

  1387. - R210 decoder

  1388. - Auravision Aura 1 and 2 decoders

  1389. - Deluxe Paint Animation playback system

  1390. - SIPR decoder

  1391. - Adobe Filmstrip muxer and demuxer

  1392. - RTP depacketization of H.263

  1393. - Bink demuxer and audio/video decoders

  1394. - enable symbol versioning by default for linkers that support it

  1395. - IFF PBM/ILBM bitmap decoder

  1396. - concat protocol

  1397. - Indeo 5 decoder

  1398. - RTP depacketization of AMR

  1399. - WMA Voice decoder

  1400. - ffprobe tool

  1401. - AMR-NB decoder

  1402. - RTSP muxer

  1403. - HE-AAC v1 decoder

  1404. - Kega Game Video (KGV1) decoder

  1405. - VorbisComment writing for FLAC, Ogg FLAC and Ogg Speex files

  1406. - RTP depacketization of Theora

  1407. - HTTP Digest authentication

  1408. - RTMP/RTMPT/RTMPS/RTMPE/RTMPTE protocol support via librtmp

  1409. - Psygnosis YOP demuxer and video decoder

  1410. - spectral extension support in the E-AC-3 decoder

  1411. - unsharp video filter

  1412. - RTP hinting in the mov/3gp/mp4 muxer

  1413. - Dirac in Ogg demuxing

  1414. - seek to keyframes in Ogg

  1415. - 4:2:2 and 4:4:4 Theora decoding

  1416. - 35% faster VP3/Theora decoding

  1417. - faster AAC decoding

  1418. - faster H.264 decoding

  1419. - RealAudio 1.0 (14.4K) encoder

  1420. 

  1421. 

  1422. version 0.5:

  1423. 

  1424. - DV50 AKA DVCPRO50 encoder, decoder, muxer and demuxer

  1425. - TechSmith Camtasia (TSCC) video decoder

  1426. - IBM Ultimotion (ULTI) video decoder

  1427. - Sierra Online audio file demuxer and decoder

  1428. - Apple QuickDraw (qdrw) video decoder

  1429. - Creative ADPCM audio decoder (16 bits as well as 8 bits schemes)

  1430. - Electronic Arts Multimedia (WVE/UV2/etc.) file demuxer

  1431. - Miro VideoXL (VIXL) video decoder

  1432. - H.261 video encoder

  1433. - QPEG video decoder

  1434. - Nullsoft Video (NSV) file demuxer

  1435. - Shorten audio decoder

  1436. - LOCO video decoder

  1437. - Apple Lossless Audio Codec (ALAC) decoder

  1438. - Winnov WNV1 video decoder

  1439. - Autodesk Animator Studio Codec (AASC) decoder

  1440. - Indeo 2 video decoder

  1441. - Fraps FPS1 video decoder

  1442. - Snow video encoder/decoder

  1443. - Sonic audio encoder/decoder

  1444. - Vorbis audio decoder

  1445. - Macromedia ADPCM decoder

  1446. - Duck TrueMotion 2 video decoder

  1447. - support for decoding FLX and DTA extensions in FLIC files

  1448. - H.264 custom quantization matrices support

  1449. - ffserver fixed, it should now be usable again

  1450. - QDM2 audio decoder

  1451. - Real Cooker audio decoder

  1452. - TrueSpeech audio decoder

  1453. - WMA2 audio decoder fixed, now all files should play correctly

  1454. - RealAudio 14.4 and 28.8 decoders fixed

  1455. - JPEG-LS decoder

  1456. - build system improvements

  1457. - tabs and trailing whitespace removed from the codebase

  1458. - CamStudio video decoder

  1459. - AIFF/AIFF-C audio format, encoding and decoding

  1460. - ADTS AAC file reading and writing

  1461. - Creative VOC file reading and writing

  1462. - American Laser Games multimedia (*.mm) playback system

  1463. - Zip Motion Blocks Video decoder

  1464. - improved Theora/VP3 decoder

  1465. - True Audio (TTA) decoder

  1466. - AVS demuxer and video decoder

  1467. - JPEG-LS encoder

  1468. - Smacker demuxer and decoder

  1469. - NuppelVideo/MythTV demuxer and RTjpeg decoder

  1470. - KMVC decoder

  1471. - MPEG-2 intra VLC support

  1472. - MPEG-2 4:2:2 encoder

  1473. - Flash Screen Video decoder

  1474. - GXF demuxer

  1475. - Chinese AVS decoder

  1476. - GXF muxer

  1477. - MXF demuxer

  1478. - VC-1/WMV3/WMV9 video decoder

  1479. - MacIntel support

  1480. - AviSynth support

  1481. - VMware video decoder

  1482. - VP5 video decoder

  1483. - VP6 video decoder

  1484. - WavPack lossless audio decoder

  1485. - Targa (.TGA) picture decoder

  1486. - Vorbis audio encoder

  1487. - Delphine Software .cin demuxer/audio and video decoder

  1488. - Tiertex .seq demuxer/video decoder

  1489. - MTV demuxer

  1490. - TIFF picture encoder and decoder

  1491. - GIF picture decoder

  1492. - Intel Music Coder decoder

  1493. - Zip Motion Blocks Video encoder

  1494. - Musepack decoder

  1495. - Flash Screen Video encoder

  1496. - Theora encoding via libtheora

  1497. - BMP encoder

  1498. - WMA encoder

  1499. - GSM-MS encoder and decoder

  1500. - DCA decoder

  1501. - DXA demuxer and decoder

  1502. - DNxHD decoder

  1503. - Gamecube movie (.THP) playback system

  1504. - Blackfin optimizations

  1505. - Interplay C93 demuxer and video decoder

  1506. - Bethsoft VID demuxer and video decoder

  1507. - CRYO APC demuxer

  1508. - ATRAC3 decoder

  1509. - V.Flash PTX decoder

  1510. - RoQ muxer, RoQ audio encoder

  1511. - Renderware TXD demuxer and decoder

  1512. - extern C declarations for C++ removed from headers

  1513. - sws_flags command line option

  1514. - codebook generator

  1515. - RoQ video encoder

  1516. - QTRLE encoder

  1517. - OS/2 support removed and restored again

  1518. - AC-3 decoder

  1519. - NUT muxer

  1520. - additional SPARC (VIS) optimizations

  1521. - Matroska muxer

  1522. - slice-based parallel H.264 decoding

  1523. - Monkey's Audio demuxer and decoder

  1524. - AMV audio and video decoder

  1525. - DNxHD encoder

  1526. - H.264 PAFF decoding

  1527. - Nellymoser ASAO decoder

  1528. - Beam Software SIFF demuxer and decoder

  1529. - libvorbis Vorbis decoding removed in favor of native decoder

  1530. - IntraX8 (J-Frame) subdecoder for WMV2 and VC-1

  1531. - Ogg (Theora, Vorbis and FLAC) muxer

  1532. - The "device" muxers and demuxers are now in a new libavdevice library

  1533. - PC Paintbrush PCX decoder

  1534. - Sun Rasterfile decoder

  1535. - TechnoTrend PVA demuxer

  1536. - Linux Media Labs MPEG-4 (LMLM4) demuxer

  1537. - AVM2 (Flash 9) SWF muxer

  1538. - QT variant of IMA ADPCM encoder

  1539. - VFW grabber

  1540. - iPod/iPhone compatible mp4 muxer

  1541. - Mimic decoder

  1542. - MSN TCP Webcam stream demuxer

  1543. - RL2 demuxer / decoder

  1544. - IFF demuxer

  1545. - 8SVX audio decoder

  1546. - non-recursive Makefiles

  1547. - BFI demuxer

  1548. - MAXIS EA XA (.xa) demuxer / decoder

  1549. - BFI video decoder

  1550. - OMA demuxer

  1551. - MLP/TrueHD decoder

  1552. - Electronic Arts CMV decoder

  1553. - Motion Pixels Video decoder

  1554. - Motion Pixels MVI demuxer

  1555. - removed animated GIF decoder/demuxer

  1556. - D-Cinema audio muxer

  1557. - Electronic Arts TGV decoder

  1558. - Apple Lossless Audio Codec (ALAC) encoder

  1559. - AAC decoder

  1560. - floating point PCM encoder/decoder

  1561. - MXF muxer

  1562. - DV100 AKA DVCPRO HD decoder and demuxer

  1563. - E-AC-3 support added to AC-3 decoder

  1564. - Nellymoser ASAO encoder

  1565. - ASS and SSA demuxer and muxer

  1566. - liba52 wrapper removed

  1567. - SVQ3 watermark decoding support

  1568. - Speex decoding via libspeex

  1569. - Electronic Arts TGQ decoder

  1570. - RV40 decoder

  1571. - QCELP / PureVoice decoder

  1572. - RV30 decoder

  1573. - hybrid WavPack support

  1574. - R3D REDCODE demuxer

  1575. - ALSA support for playback and record

  1576. - Electronic Arts TQI decoder

  1577. - OpenJPEG based JPEG 2000 decoder

  1578. - NC (NC4600) camera file demuxer

  1579. - Gopher client support

  1580. - MXF D-10 muxer

  1581. - generic metadata API

  1582. - flash ScreenVideo2 encoder

  1583. 

  1584. 

  1585. version 0.4.9-pre1:

  1586. 

  1587. - DV encoder, DV muxer

  1588. - Microsoft RLE video decoder

  1589. - Microsoft Video-1 decoder

  1590. - Apple Animation (RLE) decoder

  1591. - Apple Graphics (SMC) decoder

  1592. - Apple Video (RPZA) decoder

  1593. - Cinepak decoder

  1594. - Sega FILM (CPK) file demuxer

  1595. - Westwood multimedia support (VQA & AUD files)

  1596. - Id Quake II CIN playback support

  1597. - 8BPS video decoder

  1598. - FLIC playback support

  1599. - RealVideo 2.0 (RV20) decoder

  1600. - Duck TrueMotion v1 (DUCK) video decoder

  1601. - Sierra VMD demuxer and video decoder

  1602. - MSZH and ZLIB decoder support

  1603. - SVQ1 video encoder

  1604. - AMR-WB support

  1605. - PPC optimizations

  1606. - rate distortion optimal cbp support

  1607. - rate distorted optimal ac prediction for MPEG-4

  1608. - rate distorted optimal lambda->qp support

  1609. - AAC encoding with libfaac

  1610. - Sunplus JPEG codec (SP5X) support

  1611. - use Lagrange multiplier instead of QP for ratecontrol

  1612. - Theora/VP3 decoding support

  1613. - XA and ADX ADPCM codecs

  1614. - export MPEG-2 active display area / pan scan

  1615. - Add support for configuring with IBM XLC

  1616. - floating point AAN DCT

  1617. - initial support for zygo video (not complete)

  1618. - RGB ffv1 support

  1619. - new audio/video parser API

  1620. - av_log() system

  1621. - av_read_frame() and av_seek_frame() support

  1622. - missing last frame fixes

  1623. - seek by mouse in ffplay

  1624. - noise reduction of DCT coefficients

  1625. - H.263 OBMC & 4MV support

  1626. - H.263 alternative inter vlc support

  1627. - H.263 loop filter

  1628. - H.263 slice structured mode

  1629. - interlaced DCT support for MPEG-2 encoding

  1630. - stuffing to stay above min_bitrate

  1631. - MB type & QP visualization

  1632. - frame stepping for ffplay

  1633. - interlaced motion estimation

  1634. - alternate scantable support

  1635. - SVCD scan offset support

  1636. - closed GOP support

  1637. - SSE2 FDCT

  1638. - quantizer noise shaping

  1639. - G.726 ADPCM audio codec

  1640. - MS ADPCM encoding

  1641. - multithreaded/SMP motion estimation

  1642. - multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263

  1643. - multithreaded/SMP decoding for MPEG-2

  1644. - FLAC decoder

  1645. - Metrowerks CodeWarrior suppport

  1646. - H.263+ custom pcf support

  1647. - nicer output for 'ffmpeg -formats'

  1648. - Matroska demuxer

  1649. - SGI image format, encoding and decoding

  1650. - H.264 loop filter support

  1651. - H.264 CABAC support

  1652. - nicer looking arrows for the motion vector visualization

  1653. - improved VCD support

  1654. - audio timestamp drift compensation

  1655. - MPEG-2 YUV 422/444 support

  1656. - polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample

  1657. - better image scaling

  1658. - H.261 support

  1659. - correctly interleave packets during encoding

  1660. - VIS optimized motion compensation

  1661. - intra_dc_precision>0 encoding support

  1662. - support reuse of motion vectors/MB types/field select values of the source video

  1663. - more accurate deblock filter

  1664. - padding support

  1665. - many optimizations and bugfixes

  1666. - FunCom ISS audio file demuxer and according ADPCM decoding

  1667. 

  1668. 

  1669. version 0.4.8:

  1670. 

  1671. - MPEG-2 video encoding (Michael)

  1672. - Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)

  1673. - Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson

  1674.   and Mario Brito)

  1675. - Xan DPCM audio decoder (Mario Brito)

  1676. - Interplay MVE playback subsystem (Mike Melanson)

  1677. - Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)

  1678. 

  1679. 

  1680. version 0.4.7:

  1681. 

  1682. - RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from mplayerhq

  1683.   (originally from public domain player for Amiga at http://www.honeypot.net/audio)

  1684. - current version now also compiles with older GCC (Fabrice)

  1685. - 4X multimedia playback system including 4xm file demuxer (Mike

  1686.   Melanson), and 4X video and audio codecs (Michael)

  1687. - Creative YUV (CYUV) decoder (Mike Melanson)

  1688. - FFV1 codec (our very simple lossless intra only codec, compresses much better

  1689.   than HuffYUV) (Michael)

  1690. - ASV1 (Asus), H.264, Intel indeo3 codecs have been added (various)

  1691. - tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with

  1692.   alpha support), JPEG YUV colorspace support. (Fabrice Bellard)

  1693. - ffplay has been replaced with a newer version which uses SDL (optionally)

  1694.   for multiplatform support (Fabrice)

  1695. - Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated

  1696.   by anonymous

  1697. - AMR format has been added (Johannes Carlsson)

  1698. - 3GP support has been added (Johannes Carlsson)

  1699. - VP3 codec has been added (Mike Melanson)

  1700. - more MPEG-1/2 fixes

  1701. - better multiplatform support, MS Visual Studio fixes (various)

  1702. - AltiVec optimizations (Magnus Damn and others)

  1703. - SH4 processor support has been added (BERO)

  1704. - new public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)

  1705. - VOB streaming support (Brian Foley)

  1706. - better MP3 autodetection (Andriy Rysin)

  1707. - qpel encoding (Michael)

  1708. - 4mv+b frames encoding finally fixed (Michael)

  1709. - chroma ME (Michael)

  1710. - 5 comparison functions for ME (Michael)

  1711. - B-frame encoding speedup (Michael)

  1712. - WMV2 codec (unfinished - Michael)

  1713. - user specified diamond size for EPZS (Michael)

  1714. - Playstation STR playback subsystem, still experimental (Mike and Michael)

  1715. - ASV2 codec (Michael)

  1716. - CLJR decoder (Alex)

  1717. 

  1718. .. And lots more new enhancements and fixes.

  1719. 

  1720. 

  1721. version 0.4.6:

  1722. 

  1723. - completely new integer only MPEG audio layer 1/2/3 decoder rewritten

  1724.   from scratch

  1725. - Recoded DCT and motion vector search with gcc (no longer depends on nasm)

  1726. - fix quantization bug in AC3 encoder

  1727. - added PCM codecs and format. Corrected WAV/AVI/ASF PCM issues

  1728. - added prototype ffplay program

  1729. - added GOB header parsing on H.263/H.263+ decoder (Juanjo)

  1730. - bug fix on MCBPC tables of H.263 (Juanjo)

  1731. - bug fix on DC coefficients of H.263 (Juanjo)

  1732. - added Advanced Prediction Mode on H.263/H.263+ decoder (Juanjo)

  1733. - now we can decode H.263 streams found in QuickTime files (Juanjo)

  1734. - now we can decode H.263 streams found in VIVO v1 files(Juanjo)

  1735. - preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)

  1736. - added GOB header for H.263/H.263+ coding on RTP mode (Juanjo)

  1737. - now H.263 picture size is returned on the first decoded frame (Juanjo)

  1738. - added first regression tests

  1739. - added MPEG-2 TS demuxer

  1740. - new demux API for libav

  1741. - more accurate and faster IDCT (Michael)

  1742. - faster and entropy-controlled motion search (Michael)

  1743. - two pass video encoding (Michael)

  1744. - new video rate control (Michael)

  1745. - added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)

  1746. - great performance improvement of video encoders and decoders (Michael)

  1747. - new and faster bit readers and vlc parsers (Michael)

  1748. - high quality encoding mode: tries all macroblock/VLC types (Michael)

  1749. - added DV video decoder

  1750. - preliminary RTP/RTSP support in ffserver and libavformat

  1751. - H.263+ AIC decoding/encoding support (Juanjo)

  1752. - VCD MPEG-PS mode (Juanjo)

  1753. - PSNR stuff (Juanjo)

  1754. - simple stats output (Juanjo)

  1755. - 16-bit and 15-bit RGB/BGR/GBR support (Bisqwit)

  1756. 

  1757. 

  1758. version 0.4.5:

  1759. 

  1760. - some header fixes (Zdenek Kabelac <kabi at informatics.muni.cz>)

  1761. - many MMX optimizations (Nick Kurshev <nickols_k at mail.ru>)

  1762. - added configure system (actually a small shell script)

  1763. - added MPEG audio layer 1/2/3 decoding using LGPL'ed mpglib by

  1764.   Michael Hipp (temporary solution - waiting for integer only

  1765.   decoder)

  1766. - fixed VIDIOCSYNC interrupt

  1767. - added Intel H.263 decoding support ('I263' AVI fourCC)

  1768. - added Real Video 1.0 decoding (needs further testing)

  1769. - simplified image formats again. Added PGM format (=grey

  1770.   pgm). Renamed old PGM to PGMYUV.

  1771. - fixed msmpeg4 slice issues (tell me if you still find problems)

  1772. - fixed OpenDivX bugs with newer versions (added VOL header decoding)

  1773. - added support for MPlayer interface

  1774. - added macroblock skip optimization

  1775. - added MJPEG decoder

  1776. - added mmx/mmxext IDCT from libmpeg2

  1777. - added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer

  1778.   <celer at shell.scrypt.net>)

  1779. - added pixel format conversion layer (e.g. for MJPEG or PPM)

  1780. - added deinterlacing option

  1781. - MPEG-1/2 fixes

  1782. - MPEG-4 vol header fixes (Jonathan Marsden <snmjbm at pacbell.net>)

  1783. - ARM optimizations (Lionel Ulmer <lionel.ulmer at free.fr>).

  1784. - Windows porting of file converter

  1785. - added MJPEG raw format (input/output)

  1786. - added JPEG image format support (input/output)

  1787. 

  1788. 

  1789. version 0.4.4:

  1790. 

  1791. - fixed some std header definitions (Bjorn Lindgren

  1792.   <bjorn.e.lindgren at telia.com>).

  1793. - added MPEG demuxer (MPEG-1 and 2 compatible).

  1794. - added ASF demuxer

  1795. - added prototype RM demuxer

  1796. - added AC3 decoding (done with libac3 by Aaron Holtzman)

  1797. - added decoding codec parameter guessing (.e.g. for MPEG, because the

  1798.   header does not include them)

  1799. - fixed header generation in MPEG-1, AVI and ASF muxer: wmplayer can now

  1800.   play them (only tested video)

  1801. - fixed H.263 white bug

  1802. - fixed phase rounding in img resample filter

  1803. - add MMX code for polyphase img resample filter

  1804. - added CPU autodetection

  1805. - added generic title/author/copyright/comment string handling (ASF and RM

  1806.   use them)

  1807. - added SWF demux to extract MP3 track (not usable yet because no MP3

  1808.   decoder)

  1809. - added fractional frame rate support

  1810. - codecs are no longer searched by read_header() (should fix ffserver

  1811.   segfault)

  1812. 

  1813. 

  1814. version 0.4.3:

  1815. 

  1816. - BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq at amsat.org>)

  1817. - fixed raw yuv output

  1818. - added motion rounding support in MPEG-4

  1819. - fixed motion bug rounding in MSMPEG4

  1820. - added B-frame handling in video core

  1821. - added full MPEG-1 decoding support

  1822. - added partial (frame only) MPEG-2 support

  1823. - changed the FOURCC code for H.263 to "U263" to be able to see the

  1824.   +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with

  1825.   this +codec ;) (JuanJo).

  1826. - Halfpel motion estimation after MB type selection (JuanJo)

  1827. - added pgm and .Y.U.V output format

  1828. - suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or

  1829.   output.

  1830. - added pgmpipe I/O format (original patch from Martin Aumueller

  1831.   <lists at reserv.at>, but changed completely since we use a format

  1832.   instead of a protocol)

  1833. 

  1834. 

  1835. version 0.4.2:

  1836. 

  1837. - added H.263/MPEG-4/MSMPEG4 decoding support. MPEG-4 decoding support

  1838.   (for OpenDivX) is almost complete: 8x8 MVs and rounding are

  1839.   missing. MSMPEG4 support is complete.

  1840. - added prototype MPEG-1 decoder. Only I- and P-frames handled yet (it

  1841.   can decode ffmpeg MPEGs :-)).

  1842. - added libavcodec API documentation (see apiexample.c).

  1843. - fixed image polyphase bug (the bottom of some images could be

  1844.   greenish)

  1845. - added support for non clipped motion vectors (decoding only)

  1846.   and image sizes non-multiple of 16

  1847. - added support for AC prediction (decoding only)

  1848. - added file overwrite confirmation (can be disabled with -y)

  1849. - added custom size picture to H.263 using H.263+ (Juanjo)

  1850. 

  1851. 

  1852. version 0.4.1:

  1853. 

  1854. - added MSMPEG4 (aka DivX) compatible encoder. Changed default codec

  1855.   of AVI and ASF to DIV3.

  1856. - added -me option to set motion estimation method

  1857.   (default=log). suppressed redundant -hq option.

  1858. - added options -acodec and -vcodec to force a given codec (useful for

  1859.   AVI for example)

  1860. - fixed -an option

  1861. - improved dct_quantize speed

  1862. - factorized some motion estimation code

  1863. 

  1864. 

  1865. version 0.4.0:

  1866. 

  1867. - removing grab code from ffserver and moved it to ffmpeg. Added

  1868.   multistream support to ffmpeg.

  1869. - added timeshifting support for live feeds (option ?date=xxx in the

  1870.   URL)

  1871. - added high quality image resize code with polyphase filter (need

  1872.   mmx/see optimization). Enable multiple image size support in ffserver.

  1873. - added multi live feed support in ffserver

  1874. - suppressed master feature from ffserver (it should be done with an

  1875.   external program which opens the .ffm url and writes it to another

  1876.   ffserver)

  1877. - added preliminary support for video stream parsing (WAV and AVI half

  1878.   done). Added proper support for audio/video file conversion in

  1879.   ffmpeg.

  1880. - added preliminary support for video file sending from ffserver

  1881. - redesigning I/O subsystem: now using URL based input and output

  1882.   (see avio.h)

  1883. - added WAV format support

  1884. - added "tty user interface" to ffmpeg to stop grabbing gracefully

  1885. - added MMX/SSE optimizations to SAD (Sums of Absolutes Differences)

  1886.   (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo at atmlab.utfsm.cl>)

  1887. - added MMX DCT from mpeg2_movie 1.5 (Juanjo)

  1888. - added new motion estimation algorithms, log and phods (Juanjo)

  1889. - changed directories: libav for format handling, libavcodec for

  1890.   codecs

  1891. 

  1892. 

  1893. version 0.3.4:

  1894. 

  1895. - added stereo in MPEG audio encoder

  1896. 

  1897. 

  1898. version 0.3.3:

  1899. 

  1900. - added 'high quality' mode which use motion vectors. It can be used in

  1901.   real time at low resolution.

  1902. - fixed rounding problems which caused quality problems at high

  1903.   bitrates and large GOP size

  1904. 

  1905. 

  1906. version 0.3.2: small fixes

  1907. 

  1908. - ASF fixes

  1909. - put_seek bug fix

  1910. 

  1911. 

  1912. version 0.3.1: added avi/divx support

  1913. 

  1914. - added AVI support

  1915. - added MPEG-4 codec compatible with OpenDivX. It is based on the H.263 codec

  1916. - added sound for flash format (not tested)

  1917. 

  1918. 

  1919. version 0.3: initial public release