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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. - v360 filter

  6. - Intel QSV-accelerated MJPEG decoding

  7. - Intel QSV-accelerated VP9 decoding

  8. - support for TrueHD in mp4

  9. - Supoort AMD AMF encoder on Linux (via Vulkan)

  10. - IMM5 video decoder

  11. - ZeroMQ protocol

  12. - support Sipro ACELP.KELVIN decoding

  13. - streamhash muxer

  14. - sierpinski video source

  15. - scroll video filter

  16. - photosensitivity filter

  17. - anlms filter

  18. - arnndn filter

  19. - bilateral filter

  20. 

  21. 

  22. version 4.2:

  23. - tpad filter

  24. - AV1 decoding support through libdav1d

  25. - dedot filter

  26. - chromashift and rgbashift filters

  27. - freezedetect filter

  28. - truehd_core bitstream filter

  29. - dhav demuxer

  30. - PCM-DVD encoder

  31. - GIF parser

  32. - vividas demuxer

  33. - hymt decoder

  34. - anlmdn filter

  35. - maskfun filter

  36. - hcom demuxer and decoder

  37. - ARBC decoder

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

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

  40. - removed libndi-newtek

  41. - agm decoder

  42. - KUX demuxer

  43. - AV1 frame split bitstream filter

  44. - lscr decoder

  45. - lagfun filter

  46. - asoftclip filter

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

  48. - colorhold filter

  49. - xmedian filter

  50. - asr filter

  51. - showspatial multimedia filter

  52. - VP4 video decoder

  53. - IFV demuxer

  54. - derain filter

  55. - deesser filter

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

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

  58. 

  59. 

  60. version 4.1:

  61. - deblock filter

  62. - tmix filter

  63. - amplify filter

  64. - fftdnoiz filter

  65. - aderivative and aintegral audio filters

  66. - pal75bars and pal100bars video filter sources

  67. - support mbedTLS based TLS

  68. - adeclick filter

  69. - adeclip filter

  70. - libtensorflow backend for DNN based filters like srcnn

  71. - vc1 decoder is now bit-exact

  72. - ATRAC9 decoder

  73. - lensfun wrapper filter

  74. - colorconstancy filter

  75. - AVS2 video decoder via libdavs2

  76. - IMM4 video decoder

  77. - Brooktree ProSumer video decoder

  78. - MatchWare Screen Capture Codec decoder

  79. - WinCam Motion Video decoder

  80. - 1D LUT filter (lut1d)

  81. - RemotelyAnywhere Screen Capture decoder

  82. - cue and acue filters

  83. - support for AV1 in MP4

  84. - transpose_npp filter

  85. - AVS2 video encoder via libxavs2

  86. - amultiply filter

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

  88. - acrossover filter

  89. - ilbc decoder

  90. - audio denoiser as afftdn filter

  91. - AV1 parser

  92. - SER demuxer

  93. - sinc audio filter source

  94. - chromahold filter

  95. - setparams filter

  96. - vibrance filter

  97. - decoding S12M timecode in h264

  98. - xstack filter

  99. - pcm vidc decoder and encoder

  100. - (a)graphmonitor filter

  101. - yadif_cuda filter

  102. 

  103. 

  104. version 4.0:

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

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

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

  108. - VDA dropped (use VideoToolbox instead)

  109. - MagicYUV encoder

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

  111. - TiVo ty/ty+ demuxer

  112. - Intel QSV-accelerated MJPEG encoding

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

  114. - native aptX and aptX HD encoder and decoder

  115. - Raw aptX and aptX HD muxer and demuxer

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

  117. - Intel QSV-accelerated overlay filter

  118. - mcompand audio filter

  119. - acontrast audio filter

  120. - OpenCL overlay filter

  121. - video mix filter

  122. - video normalize filter

  123. - audio lv2 wrapper filter

  124. - VAAPI MJPEG and VP8 decoding

  125. - AMD AMF H.264 and HEVC encoders

  126. - video fillborders filter

  127. - video setrange filter

  128. - nsp demuxer

  129. - support LibreSSL (via libtls)

  130. - AVX-512/ZMM support added

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

  132.   version is Windows Vista.

  133. - deconvolve video filter

  134. - entropy video filter

  135. - hilbert audio filter source

  136. - aiir audio filter

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

  138. - Removed the ffserver program

  139. - Removed the ffmenc and ffmdec muxer and demuxer

  140. - VideoToolbox HEVC encoder and hwaccel

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

  142. - Add android_camera indev

  143. - codec2 en/decoding via libcodec2

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

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

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

  147. - native SBC encoder and decoder

  148. - drmeter audio filter

  149. - hapqa_extract bitstream filter

  150. - filter_units bitstream filter

  151. - AV1 Support through libaom

  152. - E-AC-3 dependent frames support

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

  154. - Haivision SRT protocol via libsrt

  155. - segafilm muxer

  156. - vfrdet filter

  157. - SRCNN filter

  158. 

  159. 

  160. version 3.4:

  161. - deflicker video filter

  162. - doubleweave video filter

  163. - lumakey video filter

  164. - pixscope video filter

  165. - oscilloscope video filter

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

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

  168. - afir audio filter

  169. - scale_cuda CUDA based video scale filter

  170. - librsvg support for svg rasterization

  171. - crossfeed audio filter

  172. - spec compliant VP9 muxing support in MP4

  173. - remove the libnut muxer/demuxer wrappers

  174. - remove the libschroedinger encoder/decoder wrappers

  175. - surround audio filter

  176. - sofalizer filter switched to libmysofa

  177. - Gremlin Digital Video demuxer and decoder

  178. - headphone audio filter

  179. - superequalizer audio filter

  180. - roberts video filter

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

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

  183. - additional frame format support for Interplay MVE movies

  184. - support for decoding through D3D11VA in ffmpeg

  185. - limiter video filter

  186. - libvmaf video filter

  187. - Dolby E decoder and SMPTE 337M demuxer

  188. - unpremultiply video filter

  189. - tlut2 video filter

  190. - floodfill video filter

  191. - pseudocolor video filter

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

  193. - NewTek NDI input/output device

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

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

  196.   They must always be used by name.

  197. - FITS demuxer and decoder

  198. - FITS muxer and encoder

  199. - add --disable-autodetect build switch

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

  201. - despill video filter

  202. - haas audio filter

  203. - SUP/PGS subtitle muxer

  204. - convolve video filter

  205. - VP9 tile threading support

  206. - KMS screen grabber

  207. - CUDA thumbnail filter

  208. - V4L2 mem2mem HW assisted codecs

  209. - Rockchip MPP hardware decoding

  210. - vmafmotion video filter

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

  212. 

  213. 

  214. version 3.3:

  215. - CrystalHD decoder moved to new decode API

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

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

  218. - premultiply video filter

  219. - Support for spherical videos

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

  221. - PSD Decoder

  222. - 16.8 floating point pcm decoder

  223. - 24.0 floating point pcm decoder

  224. - Apple Pixlet decoder

  225. - QDMC audio decoder

  226. - NewTek SpeedHQ decoder

  227. - MIDI Sample Dump Standard demuxer

  228. - readeia608 filter

  229. - Sample Dump eXchange demuxer

  230. - abitscope multimedia filter

  231. - Scenarist Closed Captions demuxer and muxer

  232. - threshold filter

  233. - midequalizer filter

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

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

  236. - FM Screen Capture Codec decoder

  237. - native Opus encoder

  238. - ScreenPressor decoder

  239. - incomplete ClearVideo decoder

  240. - Intel QSV video scaling and deinterlacing filters

  241. - Support MOV with multiple sample description tables

  242. - XPM decoder

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

  244. - MPEG-7 Video Signature filter

  245. - Removed asyncts filter (use af_aresample instead)

  246. - Intel QSV-accelerated VP8 video decoding

  247. - VAAPI-accelerated deinterlacing

  248. 

  249. 

  250. version 3.2:

  251. - libopenmpt demuxer

  252. - tee protocol

  253. - Changed metadata print option to accept general urls

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

  255. - VP8 in Ogg muxing

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

  257. - 16-bit support in curves filter and selectivecolor filter

  258. - OpenH264 decoder wrapper

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

  260. - True Audio (TTA) muxer

  261. - crystalizer audio filter

  262. - acrusher audio filter

  263. - bitplanenoise video filter

  264. - floating point support in als decoder

  265. - fifo muxer

  266. - maskedclamp filter

  267. - hysteresis filter

  268. - lut2 filter

  269. - yuvtestsrc filter

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

  271. - vaguedenoiser filter

  272. - added threads option per filter instance

  273. - weave filter

  274. - gblur filter

  275. - avgblur filter

  276. - sobel and prewitt filter

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

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

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

  280. - sdl2 output device and ffplay support

  281. - sdl1 output device and sdl1 support removed

  282. - extended mov edit list support

  283. - libfaac encoder removed

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

  285. - sidedata video and asidedata audio filter

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

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

  288. 

  289. 

  290. version 3.1:

  291. - DXVA2-accelerated HEVC Main10 decoding

  292. - fieldhint filter

  293. - loop video filter and aloop audio filter

  294. - Bob Weaver deinterlacing filter

  295. - firequalizer filter

  296. - datascope filter

  297. - bench and abench filters

  298. - ciescope filter

  299. - protocol blacklisting API

  300. - MediaCodec H264 decoding

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

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

  303. - AudioToolbox audio decoders

  304. - AudioToolbox audio encoders

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

  306. - libdcadec removed

  307. - bitstream filter for extracting DTS core

  308. - ADPCM IMA DAT4 decoder

  309. - musx demuxer

  310. - aix demuxer

  311. - remap filter

  312. - hash and framehash muxers

  313. - colorspace filter

  314. - hdcd filter

  315. - readvitc filter

  316. - VAAPI-accelerated format conversion and scaling

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

  318. - Duck TrueMotion 2.0 Real Time decoder

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

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

  321. - DTS Express (LBR) decoder

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

  323. - IFF ANIM demuxer & decoder

  324. - Direct Stream Transfer (DST) decoder

  325. - loudnorm filter

  326. - MTAF demuxer and decoder

  327. - MagicYUV decoder

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

  329. - BitJazz SheerVideo decoder

  330. - CUDA CUVID H264/HEVC decoder

  331. - 10-bit depth support in native utvideo decoder

  332. - libutvideo wrapper removed

  333. - YUY2 Lossless Codec decoder

  334. - VideoToolbox H.264 encoder

  335. 

  336. 

  337. version 3.0:

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

  339. - DXV decoding

  340. - extrastereo filter

  341. - ocr filter

  342. - alimiter filter

  343. - stereowiden filter

  344. - stereotools filter

  345. - rubberband filter

  346. - tremolo filter

  347. - agate filter

  348. - chromakey filter

  349. - maskedmerge filter

  350. - Screenpresso SPV1 decoding

  351. - chromaprint fingerprinting muxer

  352. - ffplay dynamic volume control

  353. - displace filter

  354. - selectivecolor filter

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

  356. - ADPCM PSX decoder

  357. - 3dostr, dcstr, fsb, genh, vag, xvag, ads, msf, svag & vpk demuxer

  358. - zscale filter

  359. - wve demuxer

  360. - zero-copy Intel QSV transcoding in ffmpeg

  361. - shuffleframes filter

  362. - SDX2 DPCM decoder

  363. - vibrato filter

  364. - innoHeim/Rsupport Screen Capture Codec decoder

  365. - ADPCM AICA decoder

  366. - Interplay ACM demuxer and audio decoder

  367. - XMA1 & XMA2 decoder

  368. - realtime filter

  369. - anoisesrc audio filter source

  370. - IVR demuxer

  371. - compensationdelay filter

  372. - acompressor filter

  373. - support encoding 16-bit RLE SGI images

  374. - apulsator filter

  375. - sidechaingate audio filter

  376. - mipsdspr1 option has been renamed to mipsdsp

  377. - aemphasis filter

  378. - mips32r5 option has been removed

  379. - mips64r6 option has been removed

  380. - DXVA2-accelerated VP9 decoding

  381. - SOFAlizer: virtual binaural acoustics filter

  382. - VAAPI VP9 hwaccel

  383. - audio high-order multiband parametric equalizer

  384. - automatic bitstream filtering

  385. - showspectrumpic filter

  386. - libstagefright support removed

  387. - spectrumsynth filter

  388. - ahistogram filter

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

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

  391. - afftfilt filter

  392. - convolution filter

  393. - libquvi support removed

  394. - support for dvaudio in wav and avi

  395. - libaacplus and libvo-aacenc support removed

  396. - Cineform HD decoder

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

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

  399. - nnedi deinterlacer

  400. - streamselect video and astreamselect audio filter

  401. - swaprect filter

  402. - metadata video and ametadata audio filter

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

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

  405. 

  406. 

  407. version 2.8:

  408. - colorkey video filter

  409. - BFSTM/BCSTM demuxer

  410. - little-endian ADPCM_THP decoder

  411. - Hap decoder and encoder

  412. - DirectDraw Surface image/texture decoder

  413. - ssim filter

  414. - optional new ASF demuxer

  415. - showvolume filter

  416. - Many improvements to the JPEG 2000 decoder

  417. - Go2Meeting decoding support

  418. - adrawgraph audio and drawgraph video filter

  419. - removegrain video filter

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

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

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

  423. - libkvazaar HEVC encoder

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

  425. - Dynamic Audio Normalizer as dynaudnorm filter

  426. - Reverse video and areverse audio filter

  427. - Random filter

  428. - deband filter

  429. - AAC fixed-point decoding

  430. - sidechaincompress audio filter

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

  432. - acrossfade audio filter

  433. - allyuv and allrgb video sources

  434. - atadenoise video filter

  435. - OS X VideoToolbox support

  436. - aphasemeter filter

  437. - showfreqs filter

  438. - vectorscope filter

  439. - waveform filter

  440. - hstack and vstack filter

  441. - Support DNx100 (1440x1080@8)

  442. - VAAPI hevc hwaccel

  443. - VDPAU hevc hwaccel

  444. - framerate filter

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

  446. - Removed experimental flag from the JPEG 2000 encoder

  447. 

  448. 

  449. version 2.7:

  450. - FFT video filter

  451. - TDSC decoder

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

  453. - showwavespic filter

  454. - DTS decoding through libdcadec

  455. - Drop support for nvenc API before 5.0

  456. - nvenc HEVC encoder

  457. - Detelecine filter

  458. - Intel QSV-accelerated H.264 encoding

  459. - MMAL-accelerated H.264 decoding

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

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

  462. - WebM Live Chunk Muxer

  463. - nvenc level and tier options

  464. - chorus filter

  465. - Canopus HQ/HQA decoder

  466. - Automatically rotate videos based on metadata in ffmpeg

  467. - improved Quickdraw compatibility

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

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

  470. - Direct3D11-accelerated decoding

  471. - Support Secure Transport

  472. - Multipart JPEG demuxer

  473. 

  474. 

  475. version 2.6:

  476. - nvenc encoder

  477. - 10bit spp filter

  478. - colorlevels filter

  479. - RIFX format for *.wav files

  480. - RTP/mpegts muxer

  481. - non continuous cache protocol support

  482. - tblend filter

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

  484. - Camellia symmetric block cipher

  485. - OpenH264 encoder wrapper

  486. - VOC seeking support

  487. - Closed caption Decoder

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

  489. - showpalette filter

  490. - Twofish symmetric block cipher

  491. - Support DNx100 (960x720@8)

  492. - eq2 filter ported from libmpcodecs as eq filter

  493. - removed libmpcodecs

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

  495. - ported softpulldown filter from libmpcodecs as repeatfields filter

  496. - dcshift filter

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

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

  499. - palettegen and paletteuse filters

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

  501. - RTP depacketizer for DV (RFC 6469)

  502. - DXVA2-accelerated HEVC decoding

  503. - AAC ELD 480 decoding

  504. - Intel QSV-accelerated H.264 decoding

  505. - DSS SP decoder and DSS demuxer

  506. - Fix stsd atom corruption in DNxHD QuickTimes

  507. - Canopus HQX decoder

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

  509. - Port MIPS optimizations to 64-bit

  510. 

  511. 

  512. version 2.5:

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

  514. - SUP/PGS subtitle demuxer

  515. - ffprobe -show_pixel_formats option

  516. - CAST128 symmetric block cipher, ECB mode

  517. - STL subtitle demuxer and decoder

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

  519. - XCB-based screen-grabber

  520. - UDP-Lite support (RFC 3828)

  521. - xBR scaling filter

  522. - AVFoundation screen capturing support

  523. - ffserver supports codec private options

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

  525. - WebP muxer with animated WebP support

  526. - zygoaudio decoding support

  527. - APNG demuxer

  528. - postproc visualization support

  529. 

  530. 

  531. version 2.4:

  532. - Icecast protocol

  533. - ported lenscorrection filter from frei0r filter

  534. - large optimizations in dctdnoiz to make it usable

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

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

  537. - LZMA compression support in TIFF decoder

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

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

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

  541. - Matroska 3D support thorugh side data

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

  543. - silenceremove filter

  544. 

  545. 

  546. version 2.3:

  547. - AC3 fixed-point decoding

  548. - shuffleplanes filter

  549. - subfile protocol

  550. - Phantom Cine demuxer

  551. - replaygain data export

  552. - VP7 video decoder

  553. - Alias PIX image encoder and decoder

  554. - Improvements to the BRender PIX image decoder

  555. - Improvements to the XBM decoder

  556. - QTKit input device

  557. - improvements to OpenEXR image decoder

  558. - support decoding 16-bit RLE SGI images

  559. - GDI screen grabbing for Windows

  560. - alternative rendition support for HTTP Live Streaming

  561. - AVFoundation input device

  562. - Direct Stream Digital (DSD) decoder

  563. - Magic Lantern Video (MLV) demuxer

  564. - On2 AVC (Audio for Video) decoder

  565. - support for decoding through DXVA2 in ffmpeg

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

  567. - libx264 reference frames count limiting depending on level

  568. - native Opus decoder

  569. - display matrix export and rotation API

  570. - WebVTT encoder

  571. - showcqt multimedia filter

  572. - zoompan filter

  573. - signalstats filter

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

  575. - flanger filter

  576. - Image format auto-detection

  577. - LRC demuxer and muxer

  578. - Samba protocol (via libsmbclient)

  579. - WebM DASH Manifest muxer

  580. - libfribidi support in drawtext

  581. 

  582. 

  583. version 2.2:

  584. 

  585. - HNM version 4 demuxer and video decoder

  586. - Live HDS muxer

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

  588. - elbg filter

  589. - string validation in ffprobe

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

  591. - complete Voxware MetaSound decoder

  592. - remove mp3_header_compress bitstream filter

  593. - Windows resource files for shared libraries

  594. - aeval filter

  595. - stereoscopic 3d metadata handling

  596. - WebP encoding via libwebp

  597. - ATRAC3+ decoder

  598. - VP8 in Ogg demuxing

  599. - side & metadata support in NUT

  600. - framepack filter

  601. - XYZ12 rawvideo support in NUT

  602. - Exif metadata support in WebP decoder

  603. - OpenGL device

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

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

  606. - Mirillis FIC video decoder

  607. - Support DNx444

  608. - libx265 encoder

  609. - dejudder filter

  610. - Autodetect VDA like all other hardware accelerations

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

  612. 

  613. 

  614. version 2.1:

  615. 

  616. - aecho filter

  617. - perspective filter ported from libmpcodecs

  618. - ffprobe -show_programs option

  619. - compand filter

  620. - RTMP seek support

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

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

  623.   the -noaccurate_seek option.

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

  625.   data read from an input file

  626. - incomplete Voxware MetaSound decoder

  627. - read EXIF metadata from JPEG

  628. - DVB teletext decoder

  629. - phase filter ported from libmpcodecs

  630. - w3fdif filter

  631. - Opus support in Matroska

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

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

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

  635.   more consistent with other muxers.

  636. - adelay filter

  637. - pullup filter ported from libmpcodecs

  638. - ffprobe -read_intervals option

  639. - Lossless and alpha support for WebP decoder

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

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

  642. - mux chapters in ASF files

  643. - SFTP protocol (via libssh)

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

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

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

  647.   the skip_alpha flag.

  648. - ladspa wrapper filter

  649. - native VP9 decoder

  650. - dpx parser

  651. - max_error_rate parameter in ffmpeg

  652. - PulseAudio output device

  653. - ReplayGain scanner

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

  655. - Linux framebuffer output device

  656. - HEVC decoder

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

  658. - mergeplanes filter

  659. 

  660. 

  661. version 2.0:

  662. 

  663. - curves filter

  664. - reference-counting for AVFrame and AVPacket data

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

  666.   or vice versa

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

  668. - perms and aperms filters

  669. - audio filtering support in ffplay

  670. - 10% faster aac encoding on x86 and MIPS

  671. - sine audio filter source

  672. - WebP demuxing and decoding support

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

  674.   filtergraph description to be read from a file

  675. - OpenCL support

  676. - audio phaser filter

  677. - separatefields filter

  678. - libquvi demuxer

  679. - uniform options syntax across all filters

  680. - telecine filter

  681. - interlace filter

  682. - smptehdbars source

  683. - inverse telecine filters (fieldmatch and decimate)

  684. - colorbalance filter

  685. - colorchannelmixer filter

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

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

  688. - decent native animated GIF encoding

  689. - asetrate filter

  690. - interleave filter

  691. - timeline editing with filters

  692. - vidstabdetect and vidstabtransform filters for video stabilization using

  693.   the vid.stab library

  694. - astats filter

  695. - trim and atrim filters

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

  697.   transcoding audio

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

  699. - extractplanes filter

  700. - avectorscope filter

  701. - ADPCM DTK decoder

  702. - ADP demuxer

  703. - RSD demuxer

  704. - RedSpark demuxer

  705. - ADPCM IMA Radical decoder

  706. - zmq filters

  707. - DCT denoiser filter (dctdnoiz)

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

  709. - Apple Intermediate Codec decoder

  710. - Escape 130 video decoder

  711. - FTP protocol support

  712. - V4L2 output device

  713. - 3D LUT filter (lut3d)

  714. - SMPTE 302M audio encoder

  715. - support for slice multithreading in libavfilter

  716. - Hald CLUT support (generation and filtering)

  717. - VC-1 interlaced B-frame support

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

  719. - XVideo output device

  720. - vignette filter

  721. - True Audio (TTA) encoder

  722. - Go2Webinar decoder

  723. - mcdeint filter ported from libmpcodecs

  724. - sab filter ported from libmpcodecs

  725. - ffprobe -show_chapters option

  726. - WavPack encoding through libwavpack

  727. - rotate filter

  728. - spp filter ported from libmpcodecs

  729. - libgme support

  730. - psnr filter

  731. 

  732. 

  733. version 1.2:

  734. 

  735. - VDPAU hardware acceleration through normal hwaccel

  736. - SRTP support

  737. - Error diffusion dither in Swscale

  738. - Chained Ogg support

  739. - Theora Midstream reconfiguration support

  740. - EVRC decoder

  741. - audio fade filter

  742. - filtering audio with unknown channel layout

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

  744.   and treble audio filter

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

  746. - histogram filter

  747. - tee muxer

  748. - il filter ported from libmpcodecs

  749. - support ID3v2 tags in ASF files

  750. - encrypted TTA stream decoding support

  751. - RF64 support in WAV muxer

  752. - noise filter ported from libmpcodecs

  753. - Subtitles character encoding conversion

  754. - blend filter

  755. - stereo3d filter ported from libmpcodecs

  756. 

  757. 

  758. version 1.1:

  759. 

  760. - stream disposition information printing in ffprobe

  761. - filter for loudness analysis following EBU R128

  762. - Opus encoder using libopus

  763. - ffprobe -select_streams option

  764. - Pinnacle TARGA CineWave YUV16 decoder

  765. - TAK demuxer, decoder and parser

  766. - DTS-HD demuxer

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

  768. - FFM2 support

  769. - X-Face image encoder and decoder

  770. - 24-bit FLAC encoding

  771. - multi-channel ALAC encoding up to 7.1

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

  773. - subtitles raw text decoder

  774. - support for building DLLs using MSVC

  775. - LVF demuxer

  776. - ffescape tool

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

  778. - field filter ported from libmpcodecs

  779. - AVR demuxer

  780. - geq filter ported from libmpcodecs

  781. - remove ffserver daemon mode

  782. - AST muxer/demuxer

  783. - new expansion syntax for drawtext

  784. - BRender PIX image decoder

  785. - ffprobe -show_entries option

  786. - ffprobe -sections option

  787. - ADPCM IMA Dialogic decoder

  788. - BRSTM demuxer

  789. - animated GIF decoder and demuxer

  790. - PVF demuxer

  791. - subtitles filter

  792. - IRCAM muxer/demuxer

  793. - Paris Audio File demuxer

  794. - Virtual concatenation demuxer

  795. - VobSub demuxer

  796. - JSON captions for TED talks decoding support

  797. - SOX Resampler support in libswresample

  798. - aselect filter

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

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

  801. - Silicon Graphics Movie demuxer

  802. - apad filter

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

  804. - documentation split into per-component manuals

  805. - pp (postproc) filter ported from MPlayer

  806. - NIST Sphere demuxer

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

  808. - Sony Wave64 muxer

  809. - adobe and limelight publisher authentication in RTMP

  810. - data: URI scheme

  811. - support building on the Plan 9 operating system

  812. - kerndeint filter ported from MPlayer

  813. - histeq filter ported from VirtualDub

  814. - Megalux Frame demuxer

  815. - 012v decoder

  816. - Improved AVC Intra decoding support

  817. 

  818. 

  819. version 1.0:

  820. 

  821. - INI and flat output in ffprobe

  822. - Scene detection in libavfilter

  823. - Indeo Audio decoder

  824. - channelsplit audio filter

  825. - setnsamples audio filter

  826. - atempo filter

  827. - ffprobe -show_data option

  828. - RTMPT protocol support

  829. - iLBC encoding/decoding via libilbc

  830. - Microsoft Screen 1 decoder

  831. - join audio filter

  832. - audio channel mapping filter

  833. - Microsoft ATC Screen decoder

  834. - RTSP listen mode

  835. - TechSmith Screen Codec 2 decoder

  836. - AAC encoding via libfdk-aac

  837. - Microsoft Expression Encoder Screen decoder

  838. - RTMPS protocol support

  839. - RTMPTS protocol support

  840. - RTMPE protocol support

  841. - RTMPTE protocol support

  842. - showwaves and showspectrum filter

  843. - LucasArts SMUSH SANM playback support

  844. - LucasArts SMUSH VIMA audio decoder (ADPCM)

  845. - LucasArts SMUSH demuxer

  846. - SAMI, RealText and SubViewer demuxers and decoders

  847. - Heart Of Darkness PAF playback support

  848. - iec61883 device

  849. - asettb filter

  850. - new option: -progress

  851. - 3GPP Timed Text encoder/decoder

  852. - GeoTIFF decoder support

  853. - ffmpeg -(no)stdin option

  854. - Opus decoder using libopus

  855. - caca output device using libcaca

  856. - alphaextract and alphamerge filters

  857. - concat filter

  858. - flite filter

  859. - Canopus Lossless Codec decoder

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

  861. - MP2 encoding via TwoLAME

  862. - bmp parser

  863. - smptebars source

  864. - asetpts filter

  865. - hue filter

  866. - ICO muxer

  867. - SubRip encoder and decoder without embedded timing

  868. - edge detection filter

  869. - framestep filter

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

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

  872. - volume measurement filter

  873. - Ut Video encoder

  874. - Microsoft Screen 2 decoder

  875. - smartblur filter ported from MPlayer

  876. - CPiA decoder

  877. - decimate filter ported from MPlayer

  878. - RTP depacketization of JPEG

  879. - Smooth Streaming live segmenter muxer

  880. - F4V muxer

  881. - sendcmd and asendcmd filters

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

  883. - RTP packetization of JPEG

  884. - faststart option in the MOV/MP4 muxer

  885. - support for building with MSVC

  886. 

  887. 

  888. version 0.11:

  889. 

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

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

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

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

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

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

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

  897. - setfield filter

  898. - CDXL demuxer and decoder

  899. - Apple ProRes encoder

  900. - ffprobe -count_packets and -count_frames options

  901. - Sun Rasterfile Encoder

  902. - ID3v2 attached pictures reading and writing

  903. - WMA Lossless decoder

  904. - bluray protocol

  905. - blackdetect filter

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

  907. - swapuv filter

  908. - bbox filter

  909. - XBM encoder and decoder

  910. - RealAudio Lossless decoder

  911. - ZeroCodec decoder

  912. - tile video filter

  913. - Metal Gear Solid: The Twin Snakes demuxer

  914. - OpenEXR image decoder

  915. - removelogo filter

  916. - drop support for ffmpeg without libavfilter

  917. - drawtext video filter: fontconfig support

  918. - ffmpeg -benchmark_all option

  919. - super2xsai filter ported from libmpcodecs

  920. - add libavresample audio conversion library for compatibility

  921. - MicroDVD decoder

  922. - Avid Meridien (AVUI) encoder and decoder

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

  924. - complete audio filtering in libavfilter and ffmpeg

  925. - add fps filter

  926. - vorbis parser

  927. - png parser

  928. - audio mix filter

  929. - ffv1: support (draft) version 1.3

  930. 

  931. 

  932. version 0.10:

  933. 

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

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

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

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

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

  939. - SBaGen (SBG) binaural beats script demuxer

  940. - OpenMG Audio muxer

  941. - Timecode extraction in DV and MOV

  942. - thumbnail video filter

  943. - XML output in ffprobe

  944. - asplit audio filter

  945. - tinterlace video filter

  946. - astreamsync audio filter

  947. - amerge audio filter

  948. - ISMV (Smooth Streaming) muxer

  949. - GSM audio parser

  950. - SMJPEG muxer

  951. - XWD encoder and decoder

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

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

  954. - ffprobe -show_error option

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

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

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

  958. - ffprobe -show_frames option

  959. - silencedetect audio filter

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

  961. - rv34: frame-level multi-threading

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

  963. - Improved PGS subtitle decoder

  964. - dumpgraph option to lavfi device

  965. - r210 and r10k encoders

  966. - ffwavesynth decoder

  967. - aviocat tool

  968. - ffeval tool

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

  970. 

  971. 

  972. version 0.9:

  973. 

  974. - openal input device added

  975. - boxblur filter added

  976. - BWF muxer

  977. - Flash Screen Video 2 decoder

  978. - lavfi input device added

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

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

  981. easier to use. The changes are:

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

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

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

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

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

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

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

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

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

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

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

  993.       specifiers section in the avconv manual for details.

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

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

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

  997.       apply to the next input or output file.

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

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

  1000.       option will create new streams in the output file and map input streams to

  1001.       them. E.g. avconv -i INPUT -map 0 OUTPUT will create an output stream for

  1002.       each stream in the first input file.

  1003.     * The -map option now has slightly different and more powerful syntax:

  1004.         + Colons (':') are used to separate file index/stream type/stream index

  1005.           instead of dots. Comma (',') is used to separate the sync stream instead

  1006.           of colon.. This is done for consistency with other options.

  1007.         + It's possible to specify stream type. E.g. -map 0:a:2 creates an

  1008.           output stream from the third input audio stream.

  1009.         + Omitting the stream index now maps all the streams of the given type,

  1010.           not just the first. E.g. -map 0:s creates output streams for all the

  1011.           subtitle streams in the first input file.

  1012.         + Since -map can now match multiple streams, negative mappings were

  1013.           introduced. Negative mappings disable some streams from an already

  1014.           defined map. E.g. '-map 0 -map -0:a:1' means 'create output streams for

  1015.           all the stream in the first input file, except for the second audio

  1016.           stream'.

  1017.     * There is a new option -c (or -codec) for choosing the decoder/encoder to

  1018.       use, which makes it possible to precisely specify target stream(s) consistently with

  1019.       other options. E.g. -c:v lib264 sets the codec for all video streams, -c:a:0

  1020.       libvorbis sets the codec for the first audio stream and -c copy copies all

  1021.       the streams without reencoding. Old -vcodec/-acodec/-scodec options are now

  1022.       aliases to -c:v/a/s

  1023.     * It is now possible to precisely specify which stream should an AVOption

  1024.       apply to. E.g. -b:v:0 2M sets the bitrate for the first video stream, while

  1025.       -b:a 128k sets the bitrate for all audio streams. Note that the old -ab 128k

  1026.       syntax is deprecated and will stop working soon.

  1027.     * -map_chapters now takes only an input file index and applies to the next

  1028.       output file. This is consistent with how all the other options work.

  1029.     * -map_metadata now takes only an input metadata specifier and applies to

  1030.       the next output file. Output metadata specifier is now part of the option

  1031.       name, similarly to the AVOptions/map/codec feature above.

  1032.     * -metadata can now be used to set metadata on streams and chapters, e.g.

  1033.       -metadata:s:1 language=eng sets the language of the first stream to 'eng'.

  1034.       This made -vlang/-alang/-slang options redundant, so they were removed.

  1035.     * -qscale option now uses stream specifiers and applies to all streams, not

  1036.       just video. I.e. plain -qscale number would now apply to all streams. To get

  1037.       the old behavior, use -qscale:v. Also there is now a shortcut -q for -qscale

  1038.       and -aq is now an alias for -q:a.

  1039.     * -vbsf/-absf/-sbsf options were removed and replaced by a -bsf option which

  1040.       uses stream specifiers. Use -bsf:v/a/s instead of the old options.

  1041.     * -itsscale option now uses stream specifiers, so its argument is only the

  1042.       scale parameter.

  1043.     * -intra option was removed, use -g 0 for the same effect.

  1044.     * -psnr option was removed, use -flags +psnr for the same effect.

  1045.     * -vf option is now an alias to the new -filter option, which uses stream specifiers.

  1046.     * -vframes/-aframes/-dframes options are now aliases to the new -frames option.

  1047.     * -vtag/-atag/-stag options are now aliases to the new -tag option.

  1048. - XMV demuxer

  1049. - LOAS demuxer

  1050. - ashowinfo filter added

  1051. - Windows Media Image decoder

  1052. - amovie source added

  1053. - LATM muxer/demuxer

  1054. - Speex encoder via libspeex

  1055. - JSON output in ffprobe

  1056. - WTV muxer

  1057. - Optional C++ Support (needed for libstagefright)

  1058. - H.264 Decoding on Android via Stagefright

  1059. - Prores decoder

  1060. - BIN/XBIN/ADF/IDF text file decoder

  1061. - aconvert audio filter added

  1062. - audio support to lavfi input device added

  1063. - libcdio-paranoia input device for audio CD grabbing

  1064. - Apple ProRes decoder

  1065. - CELT in Ogg demuxing

  1066. - G.723.1 demuxer and decoder

  1067. - libmodplug support (--enable-libmodplug)

  1068. - VC-1 interlaced decoding

  1069. - libutvideo wrapper (--enable-libutvideo)

  1070. - aevalsrc audio source added

  1071. - Ut Video decoder

  1072. - Speex encoding via libspeex

  1073. - 4:2:2 H.264 decoding support

  1074. - 4:2:2 and 4:4:4 H.264 encoding with libx264

  1075. - Pulseaudio input device

  1076. - Prores encoder

  1077. - Video Decoder Acceleration (VDA) HWAccel module.

  1078. - replacement Indeo 3 decoder

  1079. - new ffmpeg option: -map_channel

  1080. - volume audio filter added

  1081. - earwax audio filter added

  1082. - libv4l2 support (--enable-libv4l2)

  1083. - TLS/SSL and HTTPS protocol support

  1084. - AVOptions API rewritten and documented

  1085. - most of CODEC_FLAG2_*, some CODEC_FLAG_* and many codec-specific fields in

  1086.   AVCodecContext deprecated. Codec private options should be used instead.

  1087. - Properly working defaults in libx264 wrapper, support for native presets.

  1088. - Encrypted OMA files support

  1089. - Discworld II BMV decoding support

  1090. - VBLE Decoder

  1091. - OS X Video Decoder Acceleration (VDA) support

  1092. - compact and csv output in ffprobe

  1093. - pan audio filter

  1094. - IFF Amiga Continuous Bitmap (ACBM) decoder

  1095. - ass filter

  1096. - CRI ADX audio format muxer and demuxer

  1097. - Playstation Portable PMP format demuxer

  1098. - Microsoft Windows ICO demuxer

  1099. - life source

  1100. - PCM format support in OMA demuxer

  1101. - CLJR encoder

  1102. - new option: -report

  1103. - Dxtory capture format decoder

  1104. - cellauto source

  1105. - Simple segmenting muxer

  1106. - Indeo 4 decoder

  1107. - SMJPEG demuxer

  1108. 

  1109. 

  1110. version 0.8:

  1111. 

  1112. - many many things we forgot because we rather write code than changelogs

  1113. - WebM support in Matroska de/muxer

  1114. - low overhead Ogg muxing

  1115. - MMS-TCP support

  1116. - VP8 de/encoding via libvpx

  1117. - Demuxer for On2's IVF format

  1118. - Pictor/PC Paint decoder

  1119. - HE-AAC v2 decoder

  1120. - HE-AAC v2 encoding with libaacplus

  1121. - libfaad2 wrapper removed

  1122. - DTS-ES extension (XCh) decoding support

  1123. - native VP8 decoder

  1124. - RTSP tunneling over HTTP

  1125. - RTP depacketization of SVQ3

  1126. - -strict inofficial replaced by -strict unofficial

  1127. - ffplay -exitonkeydown and -exitonmousedown options added

  1128. - native GSM / GSM MS decoder

  1129. - RTP depacketization of QDM2

  1130. - ANSI/ASCII art playback system

  1131. - Lego Mindstorms RSO de/muxer

  1132. - libavcore added (and subsequently removed)

  1133. - SubRip subtitle file muxer and demuxer

  1134. - Chinese AVS encoding via libxavs

  1135. - ffprobe -show_packets option added

  1136. - RTP packetization of Theora and Vorbis

  1137. - RTP depacketization of MP4A-LATM

  1138. - RTP packetization and depacketization of VP8

  1139. - hflip filter

  1140. - Apple HTTP Live Streaming demuxer

  1141. - a64 codec

  1142. - MMS-HTTP support

  1143. - G.722 ADPCM audio encoder/decoder

  1144. - R10k video decoder

  1145. - ocv_smooth filter

  1146. - frei0r wrapper filter

  1147. - change crop filter syntax to width:height:x:y

  1148. - make the crop filter accept parametric expressions

  1149. - make ffprobe accept AVFormatContext options

  1150. - yadif filter

  1151. - blackframe filter

  1152. - Demuxer for Leitch/Harris' VR native stream format (LXF)

  1153. - RTP depacketization of the X-QT QuickTime format

  1154. - SAP (Session Announcement Protocol, RFC 2974) muxer and demuxer

  1155. - cropdetect filter

  1156. - ffmpeg -crop* options removed

  1157. - transpose filter added

  1158. - ffmpeg -force_key_frames option added

  1159. - demuxer for receiving raw rtp:// URLs without an SDP description

  1160. - single stream LATM/LOAS decoder

  1161. - setpts filter added

  1162. - Win64 support for optimized x86 assembly functions

  1163. - MJPEG/AVI1 to JPEG/JFIF bitstream filter

  1164. - ASS subtitle encoder and decoder

  1165. - IEC 61937 encapsulation for E-AC-3, TrueHD, DTS-HD (for HDMI passthrough)

  1166. - overlay filter added

  1167. - rename aspect filter to setdar, and pixelaspect to setsar

  1168. - IEC 61937 demuxer

  1169. - Mobotix .mxg demuxer

  1170. - frei0r source added

  1171. - hqdn3d filter added

  1172. - RTP depacketization of QCELP

  1173. - FLAC parser added

  1174. - gradfun filter added

  1175. - AMR-WB decoder

  1176. - replace the ocv_smooth filter with a more generic ocv filter

  1177. - Windows Televison (WTV) demuxer

  1178. - FFmpeg metadata format muxer and demuxer

  1179. - SubRip (srt) subtitle encoder and decoder

  1180. - floating-point AC-3 encoder added

  1181. - Lagarith decoder

  1182. - ffmpeg -copytb option added

  1183. - IVF muxer added

  1184. - Wing Commander IV movies decoder added

  1185. - movie source added

  1186. - Bink version 'b' audio and video decoder

  1187. - Bitmap Brothers JV playback system

  1188. - Apple HTTP Live Streaming protocol handler

  1189. - sndio support for playback and record

  1190. - Linux framebuffer input device added

  1191. - Chronomaster DFA decoder

  1192. - DPX image encoder

  1193. - MicroDVD subtitle file muxer and demuxer

  1194. - Playstation Portable PMP format demuxer

  1195. - fieldorder video filter added

  1196. - AAC encoding via libvo-aacenc

  1197. - AMR-WB encoding via libvo-amrwbenc

  1198. - xWMA demuxer

  1199. - Mobotix MxPEG decoder

  1200. - VP8 frame-multithreading

  1201. - NEON optimizations for VP8

  1202. - Lots of deprecated API cruft removed

  1203. - fft and imdct optimizations for AVX (Sandy Bridge) processors

  1204. - showinfo filter added

  1205. - SMPTE 302M AES3 audio decoder

  1206. - Apple Core Audio Format muxer

  1207. - 9 bits and 10 bits per sample support in the H.264 decoder

  1208. - 9 bits and 10 bits FFV1 encoding / decoding

  1209. - split filter added

  1210. - select filter added

  1211. - sdl output device added

  1212. - libmpcodecs video filter support (3 times as many filters than before)

  1213. - mpeg2 aspect ratio dection fixed

  1214. - libxvid aspect pickiness fixed

  1215. - Frame multithreaded decoding

  1216. - E-AC-3 audio encoder

  1217. - ac3enc: add channel coupling support

  1218. - floating-point sample format support to the ac3, eac3, dca, aac, and vorbis decoders.

  1219. - H264/MPEG frame-level multi-threading

  1220. - All av_metadata_* functions renamed to av_dict_* and moved to libavutil

  1221. - 4:4:4 H.264 decoding support

  1222. - 10-bit H.264 optimizations for x86

  1223. - lut, lutrgb, and lutyuv filters added

  1224. - buffersink libavfilter sink added

  1225. - Bump libswscale for recently reported ABI break

  1226. - New J2K encoder (via OpenJPEG)

  1227. 

  1228. 

  1229. version 0.7:

  1230. 

  1231. - all the changes for 0.8, but keeping API/ABI compatibility with the 0.6 release

  1232. 

  1233. 

  1234. version 0.6:

  1235. 

  1236. - PB-frame decoding for H.263

  1237. - deprecated vhook subsystem removed

  1238. - deprecated old scaler removed

  1239. - VQF demuxer

  1240. - Alpha channel scaler

  1241. - PCX encoder

  1242. - RTP packetization of H.263

  1243. - RTP packetization of AMR

  1244. - RTP depacketization of Vorbis

  1245. - CorePNG decoding support

  1246. - Cook multichannel decoding support

  1247. - introduced avlanguage helpers in libavformat

  1248. - 8088flex TMV demuxer and decoder

  1249. - per-stream language-tags extraction in asfdec

  1250. - V210 decoder and encoder

  1251. - remaining GPL parts in AC-3 decoder converted to LGPL

  1252. - QCP demuxer

  1253. - SoX native format muxer and demuxer

  1254. - AMR-NB decoding/encoding, AMR-WB decoding via OpenCORE libraries

  1255. - DPX image decoder

  1256. - Electronic Arts Madcow decoder

  1257. - DivX (XSUB) subtitle encoder

  1258. - nonfree libamr support for AMR-NB/WB decoding/encoding removed

  1259. - experimental AAC encoder

  1260. - RTP depacketization of ASF and RTSP from WMS servers

  1261. - RTMP support in libavformat

  1262. - noX handling for OPT_BOOL X options

  1263. - Wave64 demuxer

  1264. - IEC-61937 compatible Muxer

  1265. - TwinVQ decoder

  1266. - Bluray (PGS) subtitle decoder

  1267. - LPCM support in MPEG-TS (HDMV RID as found on Blu-ray disks)

  1268. - WMA Pro decoder

  1269. - Core Audio Format demuxer

  1270. - ATRAC1 decoder

  1271. - MD STUDIO audio demuxer

  1272. - RF64 support in WAV demuxer

  1273. - MPEG-4 Audio Lossless Coding (ALS) decoder

  1274. - -formats option split into -formats, -codecs, -bsfs, and -protocols

  1275. - IV8 demuxer

  1276. - CDG demuxer and decoder

  1277. - R210 decoder

  1278. - Auravision Aura 1 and 2 decoders

  1279. - Deluxe Paint Animation playback system

  1280. - SIPR decoder

  1281. - Adobe Filmstrip muxer and demuxer

  1282. - RTP depacketization of H.263

  1283. - Bink demuxer and audio/video decoders

  1284. - enable symbol versioning by default for linkers that support it

  1285. - IFF PBM/ILBM bitmap decoder

  1286. - concat protocol

  1287. - Indeo 5 decoder

  1288. - RTP depacketization of AMR

  1289. - WMA Voice decoder

  1290. - ffprobe tool

  1291. - AMR-NB decoder

  1292. - RTSP muxer

  1293. - HE-AAC v1 decoder

  1294. - Kega Game Video (KGV1) decoder

  1295. - VorbisComment writing for FLAC, Ogg FLAC and Ogg Speex files

  1296. - RTP depacketization of Theora

  1297. - HTTP Digest authentication

  1298. - RTMP/RTMPT/RTMPS/RTMPE/RTMPTE protocol support via librtmp

  1299. - Psygnosis YOP demuxer and video decoder

  1300. - spectral extension support in the E-AC-3 decoder

  1301. - unsharp video filter

  1302. - RTP hinting in the mov/3gp/mp4 muxer

  1303. - Dirac in Ogg demuxing

  1304. - seek to keyframes in Ogg

  1305. - 4:2:2 and 4:4:4 Theora decoding

  1306. - 35% faster VP3/Theora decoding

  1307. - faster AAC decoding

  1308. - faster H.264 decoding

  1309. - RealAudio 1.0 (14.4K) encoder

  1310. 

  1311. 

  1312. version 0.5:

  1313. 

  1314. - DV50 AKA DVCPRO50 encoder, decoder, muxer and demuxer

  1315. - TechSmith Camtasia (TSCC) video decoder

  1316. - IBM Ultimotion (ULTI) video decoder

  1317. - Sierra Online audio file demuxer and decoder

  1318. - Apple QuickDraw (qdrw) video decoder

  1319. - Creative ADPCM audio decoder (16 bits as well as 8 bits schemes)

  1320. - Electronic Arts Multimedia (WVE/UV2/etc.) file demuxer

  1321. - Miro VideoXL (VIXL) video decoder

  1322. - H.261 video encoder

  1323. - QPEG video decoder

  1324. - Nullsoft Video (NSV) file demuxer

  1325. - Shorten audio decoder

  1326. - LOCO video decoder

  1327. - Apple Lossless Audio Codec (ALAC) decoder

  1328. - Winnov WNV1 video decoder

  1329. - Autodesk Animator Studio Codec (AASC) decoder

  1330. - Indeo 2 video decoder

  1331. - Fraps FPS1 video decoder

  1332. - Snow video encoder/decoder

  1333. - Sonic audio encoder/decoder

  1334. - Vorbis audio decoder

  1335. - Macromedia ADPCM decoder

  1336. - Duck TrueMotion 2 video decoder

  1337. - support for decoding FLX and DTA extensions in FLIC files

  1338. - H.264 custom quantization matrices support

  1339. - ffserver fixed, it should now be usable again

  1340. - QDM2 audio decoder

  1341. - Real Cooker audio decoder

  1342. - TrueSpeech audio decoder

  1343. - WMA2 audio decoder fixed, now all files should play correctly

  1344. - RealAudio 14.4 and 28.8 decoders fixed

  1345. - JPEG-LS decoder

  1346. - build system improvements

  1347. - tabs and trailing whitespace removed from the codebase

  1348. - CamStudio video decoder

  1349. - AIFF/AIFF-C audio format, encoding and decoding

  1350. - ADTS AAC file reading and writing

  1351. - Creative VOC file reading and writing

  1352. - American Laser Games multimedia (*.mm) playback system

  1353. - Zip Motion Blocks Video decoder

  1354. - improved Theora/VP3 decoder

  1355. - True Audio (TTA) decoder

  1356. - AVS demuxer and video decoder

  1357. - JPEG-LS encoder

  1358. - Smacker demuxer and decoder

  1359. - NuppelVideo/MythTV demuxer and RTjpeg decoder

  1360. - KMVC decoder

  1361. - MPEG-2 intra VLC support

  1362. - MPEG-2 4:2:2 encoder

  1363. - Flash Screen Video decoder

  1364. - GXF demuxer

  1365. - Chinese AVS decoder

  1366. - GXF muxer

  1367. - MXF demuxer

  1368. - VC-1/WMV3/WMV9 video decoder

  1369. - MacIntel support

  1370. - AviSynth support

  1371. - VMware video decoder

  1372. - VP5 video decoder

  1373. - VP6 video decoder

  1374. - WavPack lossless audio decoder

  1375. - Targa (.TGA) picture decoder

  1376. - Vorbis audio encoder

  1377. - Delphine Software .cin demuxer/audio and video decoder

  1378. - Tiertex .seq demuxer/video decoder

  1379. - MTV demuxer

  1380. - TIFF picture encoder and decoder

  1381. - GIF picture decoder

  1382. - Intel Music Coder decoder

  1383. - Zip Motion Blocks Video encoder

  1384. - Musepack decoder

  1385. - Flash Screen Video encoder

  1386. - Theora encoding via libtheora

  1387. - BMP encoder

  1388. - WMA encoder

  1389. - GSM-MS encoder and decoder

  1390. - DCA decoder

  1391. - DXA demuxer and decoder

  1392. - DNxHD decoder

  1393. - Gamecube movie (.THP) playback system

  1394. - Blackfin optimizations

  1395. - Interplay C93 demuxer and video decoder

  1396. - Bethsoft VID demuxer and video decoder

  1397. - CRYO APC demuxer

  1398. - ATRAC3 decoder

  1399. - V.Flash PTX decoder

  1400. - RoQ muxer, RoQ audio encoder

  1401. - Renderware TXD demuxer and decoder

  1402. - extern C declarations for C++ removed from headers

  1403. - sws_flags command line option

  1404. - codebook generator

  1405. - RoQ video encoder

  1406. - QTRLE encoder

  1407. - OS/2 support removed and restored again

  1408. - AC-3 decoder

  1409. - NUT muxer

  1410. - additional SPARC (VIS) optimizations

  1411. - Matroska muxer

  1412. - slice-based parallel H.264 decoding

  1413. - Monkey's Audio demuxer and decoder

  1414. - AMV audio and video decoder

  1415. - DNxHD encoder

  1416. - H.264 PAFF decoding

  1417. - Nellymoser ASAO decoder

  1418. - Beam Software SIFF demuxer and decoder

  1419. - libvorbis Vorbis decoding removed in favor of native decoder

  1420. - IntraX8 (J-Frame) subdecoder for WMV2 and VC-1

  1421. - Ogg (Theora, Vorbis and FLAC) muxer

  1422. - The "device" muxers and demuxers are now in a new libavdevice library

  1423. - PC Paintbrush PCX decoder

  1424. - Sun Rasterfile decoder

  1425. - TechnoTrend PVA demuxer

  1426. - Linux Media Labs MPEG-4 (LMLM4) demuxer

  1427. - AVM2 (Flash 9) SWF muxer

  1428. - QT variant of IMA ADPCM encoder

  1429. - VFW grabber

  1430. - iPod/iPhone compatible mp4 muxer

  1431. - Mimic decoder

  1432. - MSN TCP Webcam stream demuxer

  1433. - RL2 demuxer / decoder

  1434. - IFF demuxer

  1435. - 8SVX audio decoder

  1436. - non-recursive Makefiles

  1437. - BFI demuxer

  1438. - MAXIS EA XA (.xa) demuxer / decoder

  1439. - BFI video decoder

  1440. - OMA demuxer

  1441. - MLP/TrueHD decoder

  1442. - Electronic Arts CMV decoder

  1443. - Motion Pixels Video decoder

  1444. - Motion Pixels MVI demuxer

  1445. - removed animated GIF decoder/demuxer

  1446. - D-Cinema audio muxer

  1447. - Electronic Arts TGV decoder

  1448. - Apple Lossless Audio Codec (ALAC) encoder

  1449. - AAC decoder

  1450. - floating point PCM encoder/decoder

  1451. - MXF muxer

  1452. - DV100 AKA DVCPRO HD decoder and demuxer

  1453. - E-AC-3 support added to AC-3 decoder

  1454. - Nellymoser ASAO encoder

  1455. - ASS and SSA demuxer and muxer

  1456. - liba52 wrapper removed

  1457. - SVQ3 watermark decoding support

  1458. - Speex decoding via libspeex

  1459. - Electronic Arts TGQ decoder

  1460. - RV40 decoder

  1461. - QCELP / PureVoice decoder

  1462. - RV30 decoder

  1463. - hybrid WavPack support

  1464. - R3D REDCODE demuxer

  1465. - ALSA support for playback and record

  1466. - Electronic Arts TQI decoder

  1467. - OpenJPEG based JPEG 2000 decoder

  1468. - NC (NC4600) camera file demuxer

  1469. - Gopher client support

  1470. - MXF D-10 muxer

  1471. - generic metadata API

  1472. - flash ScreenVideo2 encoder

  1473. 

  1474. 

  1475. version 0.4.9-pre1:

  1476. 

  1477. - DV encoder, DV muxer

  1478. - Microsoft RLE video decoder

  1479. - Microsoft Video-1 decoder

  1480. - Apple Animation (RLE) decoder

  1481. - Apple Graphics (SMC) decoder

  1482. - Apple Video (RPZA) decoder

  1483. - Cinepak decoder

  1484. - Sega FILM (CPK) file demuxer

  1485. - Westwood multimedia support (VQA & AUD files)

  1486. - Id Quake II CIN playback support

  1487. - 8BPS video decoder

  1488. - FLIC playback support

  1489. - RealVideo 2.0 (RV20) decoder

  1490. - Duck TrueMotion v1 (DUCK) video decoder

  1491. - Sierra VMD demuxer and video decoder

  1492. - MSZH and ZLIB decoder support

  1493. - SVQ1 video encoder

  1494. - AMR-WB support

  1495. - PPC optimizations

  1496. - rate distortion optimal cbp support

  1497. - rate distorted optimal ac prediction for MPEG-4

  1498. - rate distorted optimal lambda->qp support

  1499. - AAC encoding with libfaac

  1500. - Sunplus JPEG codec (SP5X) support

  1501. - use Lagrange multiplier instead of QP for ratecontrol

  1502. - Theora/VP3 decoding support

  1503. - XA and ADX ADPCM codecs

  1504. - export MPEG-2 active display area / pan scan

  1505. - Add support for configuring with IBM XLC

  1506. - floating point AAN DCT

  1507. - initial support for zygo video (not complete)

  1508. - RGB ffv1 support

  1509. - new audio/video parser API

  1510. - av_log() system

  1511. - av_read_frame() and av_seek_frame() support

  1512. - missing last frame fixes

  1513. - seek by mouse in ffplay

  1514. - noise reduction of DCT coefficients

  1515. - H.263 OBMC & 4MV support

  1516. - H.263 alternative inter vlc support

  1517. - H.263 loop filter

  1518. - H.263 slice structured mode

  1519. - interlaced DCT support for MPEG-2 encoding

  1520. - stuffing to stay above min_bitrate

  1521. - MB type & QP visualization

  1522. - frame stepping for ffplay

  1523. - interlaced motion estimation

  1524. - alternate scantable support

  1525. - SVCD scan offset support

  1526. - closed GOP support

  1527. - SSE2 FDCT

  1528. - quantizer noise shaping

  1529. - G.726 ADPCM audio codec

  1530. - MS ADPCM encoding

  1531. - multithreaded/SMP motion estimation

  1532. - multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263

  1533. - multithreaded/SMP decoding for MPEG-2

  1534. - FLAC decoder

  1535. - Metrowerks CodeWarrior suppport

  1536. - H.263+ custom pcf support

  1537. - nicer output for 'ffmpeg -formats'

  1538. - Matroska demuxer

  1539. - SGI image format, encoding and decoding

  1540. - H.264 loop filter support

  1541. - H.264 CABAC support

  1542. - nicer looking arrows for the motion vector visualization

  1543. - improved VCD support

  1544. - audio timestamp drift compensation

  1545. - MPEG-2 YUV 422/444 support

  1546. - polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample

  1547. - better image scaling

  1548. - H.261 support

  1549. - correctly interleave packets during encoding

  1550. - VIS optimized motion compensation

  1551. - intra_dc_precision>0 encoding support

  1552. - support reuse of motion vectors/MB types/field select values of the source video

  1553. - more accurate deblock filter

  1554. - padding support

  1555. - many optimizations and bugfixes

  1556. - FunCom ISS audio file demuxer and according ADPCM decoding

  1557. 

  1558. 

  1559. version 0.4.8:

  1560. 

  1561. - MPEG-2 video encoding (Michael)

  1562. - Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)

  1563. - Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson

  1564.   and Mario Brito)

  1565. - Xan DPCM audio decoder (Mario Brito)

  1566. - Interplay MVE playback subsystem (Mike Melanson)

  1567. - Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)

  1568. 

  1569. 

  1570. version 0.4.7:

  1571. 

  1572. - RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from mplayerhq

  1573.   (originally from public domain player for Amiga at http://www.honeypot.net/audio)

  1574. - current version now also compiles with older GCC (Fabrice)

  1575. - 4X multimedia playback system including 4xm file demuxer (Mike

  1576.   Melanson), and 4X video and audio codecs (Michael)

  1577. - Creative YUV (CYUV) decoder (Mike Melanson)

  1578. - FFV1 codec (our very simple lossless intra only codec, compresses much better

  1579.   than HuffYUV) (Michael)

  1580. - ASV1 (Asus), H.264, Intel indeo3 codecs have been added (various)

  1581. - tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with

  1582.   alpha support), JPEG YUV colorspace support. (Fabrice Bellard)

  1583. - ffplay has been replaced with a newer version which uses SDL (optionally)

  1584.   for multiplatform support (Fabrice)

  1585. - Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated

  1586.   by anonymous

  1587. - AMR format has been added (Johannes Carlsson)

  1588. - 3GP support has been added (Johannes Carlsson)

  1589. - VP3 codec has been added (Mike Melanson)

  1590. - more MPEG-1/2 fixes

  1591. - better multiplatform support, MS Visual Studio fixes (various)

  1592. - AltiVec optimizations (Magnus Damn and others)

  1593. - SH4 processor support has been added (BERO)

  1594. - new public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)

  1595. - VOB streaming support (Brian Foley)

  1596. - better MP3 autodetection (Andriy Rysin)

  1597. - qpel encoding (Michael)

  1598. - 4mv+b frames encoding finally fixed (Michael)

  1599. - chroma ME (Michael)

  1600. - 5 comparison functions for ME (Michael)

  1601. - B-frame encoding speedup (Michael)

  1602. - WMV2 codec (unfinished - Michael)

  1603. - user specified diamond size for EPZS (Michael)

  1604. - Playstation STR playback subsystem, still experimental (Mike and Michael)

  1605. - ASV2 codec (Michael)

  1606. - CLJR decoder (Alex)

  1607. 

  1608. .. And lots more new enhancements and fixes.

  1609. 

  1610. 

  1611. version 0.4.6:

  1612. 

  1613. - completely new integer only MPEG audio layer 1/2/3 decoder rewritten

  1614.   from scratch

  1615. - Recoded DCT and motion vector search with gcc (no longer depends on nasm)

  1616. - fix quantization bug in AC3 encoder

  1617. - added PCM codecs and format. Corrected WAV/AVI/ASF PCM issues

  1618. - added prototype ffplay program

  1619. - added GOB header parsing on H.263/H.263+ decoder (Juanjo)

  1620. - bug fix on MCBPC tables of H.263 (Juanjo)

  1621. - bug fix on DC coefficients of H.263 (Juanjo)

  1622. - added Advanced Prediction Mode on H.263/H.263+ decoder (Juanjo)

  1623. - now we can decode H.263 streams found in QuickTime files (Juanjo)

  1624. - now we can decode H.263 streams found in VIVO v1 files(Juanjo)

  1625. - preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)

  1626. - added GOB header for H.263/H.263+ coding on RTP mode (Juanjo)

  1627. - now H.263 picture size is returned on the first decoded frame (Juanjo)

  1628. - added first regression tests

  1629. - added MPEG-2 TS demuxer

  1630. - new demux API for libav

  1631. - more accurate and faster IDCT (Michael)

  1632. - faster and entropy-controlled motion search (Michael)

  1633. - two pass video encoding (Michael)

  1634. - new video rate control (Michael)

  1635. - added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)

  1636. - great performance improvement of video encoders and decoders (Michael)

  1637. - new and faster bit readers and vlc parsers (Michael)

  1638. - high quality encoding mode: tries all macroblock/VLC types (Michael)

  1639. - added DV video decoder

  1640. - preliminary RTP/RTSP support in ffserver and libavformat

  1641. - H.263+ AIC decoding/encoding support (Juanjo)

  1642. - VCD MPEG-PS mode (Juanjo)

  1643. - PSNR stuff (Juanjo)

  1644. - simple stats output (Juanjo)

  1645. - 16-bit and 15-bit RGB/BGR/GBR support (Bisqwit)

  1646. 

  1647. 

  1648. version 0.4.5:

  1649. 

  1650. - some header fixes (Zdenek Kabelac <kabi at informatics.muni.cz>)

  1651. - many MMX optimizations (Nick Kurshev <nickols_k at mail.ru>)

  1652. - added configure system (actually a small shell script)

  1653. - added MPEG audio layer 1/2/3 decoding using LGPL'ed mpglib by

  1654.   Michael Hipp (temporary solution - waiting for integer only

  1655.   decoder)

  1656. - fixed VIDIOCSYNC interrupt

  1657. - added Intel H.263 decoding support ('I263' AVI fourCC)

  1658. - added Real Video 1.0 decoding (needs further testing)

  1659. - simplified image formats again. Added PGM format (=grey

  1660.   pgm). Renamed old PGM to PGMYUV.

  1661. - fixed msmpeg4 slice issues (tell me if you still find problems)

  1662. - fixed OpenDivX bugs with newer versions (added VOL header decoding)

  1663. - added support for MPlayer interface

  1664. - added macroblock skip optimization

  1665. - added MJPEG decoder

  1666. - added mmx/mmxext IDCT from libmpeg2

  1667. - added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer

  1668.   <celer at shell.scrypt.net>)

  1669. - added pixel format conversion layer (e.g. for MJPEG or PPM)

  1670. - added deinterlacing option

  1671. - MPEG-1/2 fixes

  1672. - MPEG-4 vol header fixes (Jonathan Marsden <snmjbm at pacbell.net>)

  1673. - ARM optimizations (Lionel Ulmer <lionel.ulmer at free.fr>).

  1674. - Windows porting of file converter

  1675. - added MJPEG raw format (input/output)

  1676. - added JPEG image format support (input/output)

  1677. 

  1678. 

  1679. version 0.4.4:

  1680. 

  1681. - fixed some std header definitions (Bjorn Lindgren

  1682.   <bjorn.e.lindgren at telia.com>).

  1683. - added MPEG demuxer (MPEG-1 and 2 compatible).

  1684. - added ASF demuxer

  1685. - added prototype RM demuxer

  1686. - added AC3 decoding (done with libac3 by Aaron Holtzman)

  1687. - added decoding codec parameter guessing (.e.g. for MPEG, because the

  1688.   header does not include them)

  1689. - fixed header generation in MPEG-1, AVI and ASF muxer: wmplayer can now

  1690.   play them (only tested video)

  1691. - fixed H.263 white bug

  1692. - fixed phase rounding in img resample filter

  1693. - add MMX code for polyphase img resample filter

  1694. - added CPU autodetection

  1695. - added generic title/author/copyright/comment string handling (ASF and RM

  1696.   use them)

  1697. - added SWF demux to extract MP3 track (not usable yet because no MP3

  1698.   decoder)

  1699. - added fractional frame rate support

  1700. - codecs are no longer searched by read_header() (should fix ffserver

  1701.   segfault)

  1702. 

  1703. 

  1704. version 0.4.3:

  1705. 

  1706. - BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq at amsat.org>)

  1707. - fixed raw yuv output

  1708. - added motion rounding support in MPEG-4

  1709. - fixed motion bug rounding in MSMPEG4

  1710. - added B-frame handling in video core

  1711. - added full MPEG-1 decoding support

  1712. - added partial (frame only) MPEG-2 support

  1713. - changed the FOURCC code for H.263 to "U263" to be able to see the

  1714.   +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with

  1715.   this +codec ;) (JuanJo).

  1716. - Halfpel motion estimation after MB type selection (JuanJo)

  1717. - added pgm and .Y.U.V output format

  1718. - suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or

  1719.   output.

  1720. - added pgmpipe I/O format (original patch from Martin Aumueller

  1721.   <lists at reserv.at>, but changed completely since we use a format

  1722.   instead of a protocol)

  1723. 

  1724. 

  1725. version 0.4.2:

  1726. 

  1727. - added H.263/MPEG-4/MSMPEG4 decoding support. MPEG-4 decoding support

  1728.   (for OpenDivX) is almost complete: 8x8 MVs and rounding are

  1729.   missing. MSMPEG4 support is complete.

  1730. - added prototype MPEG-1 decoder. Only I- and P-frames handled yet (it

  1731.   can decode ffmpeg MPEGs :-)).

  1732. - added libavcodec API documentation (see apiexample.c).

  1733. - fixed image polyphase bug (the bottom of some images could be

  1734.   greenish)

  1735. - added support for non clipped motion vectors (decoding only)

  1736.   and image sizes non-multiple of 16

  1737. - added support for AC prediction (decoding only)

  1738. - added file overwrite confirmation (can be disabled with -y)

  1739. - added custom size picture to H.263 using H.263+ (Juanjo)

  1740. 

  1741. 

  1742. version 0.4.1:

  1743. 

  1744. - added MSMPEG4 (aka DivX) compatible encoder. Changed default codec

  1745.   of AVI and ASF to DIV3.

  1746. - added -me option to set motion estimation method

  1747.   (default=log). suppressed redundant -hq option.

  1748. - added options -acodec and -vcodec to force a given codec (useful for

  1749.   AVI for example)

  1750. - fixed -an option

  1751. - improved dct_quantize speed

  1752. - factorized some motion estimation code

  1753. 

  1754. 

  1755. version 0.4.0:

  1756. 

  1757. - removing grab code from ffserver and moved it to ffmpeg. Added

  1758.   multistream support to ffmpeg.

  1759. - added timeshifting support for live feeds (option ?date=xxx in the

  1760.   URL)

  1761. - added high quality image resize code with polyphase filter (need

  1762.   mmx/see optimization). Enable multiple image size support in ffserver.

  1763. - added multi live feed support in ffserver

  1764. - suppressed master feature from ffserver (it should be done with an

  1765.   external program which opens the .ffm url and writes it to another

  1766.   ffserver)

  1767. - added preliminary support for video stream parsing (WAV and AVI half

  1768.   done). Added proper support for audio/video file conversion in

  1769.   ffmpeg.

  1770. - added preliminary support for video file sending from ffserver

  1771. - redesigning I/O subsystem: now using URL based input and output

  1772.   (see avio.h)

  1773. - added WAV format support

  1774. - added "tty user interface" to ffmpeg to stop grabbing gracefully

  1775. - added MMX/SSE optimizations to SAD (Sums of Absolutes Differences)

  1776.   (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo at atmlab.utfsm.cl>)

  1777. - added MMX DCT from mpeg2_movie 1.5 (Juanjo)

  1778. - added new motion estimation algorithms, log and phods (Juanjo)

  1779. - changed directories: libav for format handling, libavcodec for

  1780.   codecs

  1781. 

  1782. 

  1783. version 0.3.4:

  1784. 

  1785. - added stereo in MPEG audio encoder

  1786. 

  1787. 

  1788. version 0.3.3:

  1789. 

  1790. - added 'high quality' mode which use motion vectors. It can be used in

  1791.   real time at low resolution.

  1792. - fixed rounding problems which caused quality problems at high

  1793.   bitrates and large GOP size

  1794. 

  1795. 

  1796. version 0.3.2: small fixes

  1797. 

  1798. - ASF fixes

  1799. - put_seek bug fix

  1800. 

  1801. 

  1802. version 0.3.1: added avi/divx support

  1803. 

  1804. - added AVI support

  1805. - added MPEG-4 codec compatible with OpenDivX. It is based on the H.263 codec

  1806. - added sound for flash format (not tested)

  1807. 

  1808. 

  1809. version 0.3: initial public release