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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. 

  13. 

  14. version 4.2:

  15. - tpad filter

  16. - AV1 decoding support through libdav1d

  17. - dedot filter

  18. - chromashift and rgbashift filters

  19. - freezedetect filter

  20. - truehd_core bitstream filter

  21. - dhav demuxer

  22. - PCM-DVD encoder

  23. - GIF parser

  24. - vividas demuxer

  25. - hymt decoder

  26. - anlmdn filter

  27. - maskfun filter

  28. - hcom demuxer and decoder

  29. - ARBC decoder

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

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

  32. - removed libndi-newtek

  33. - agm decoder

  34. - KUX demuxer

  35. - AV1 frame split bitstream filter

  36. - lscr decoder

  37. - lagfun filter

  38. - asoftclip filter

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

  40. - colorhold filter

  41. - xmedian filter

  42. - asr filter

  43. - showspatial multimedia filter

  44. - VP4 video decoder

  45. - IFV demuxer

  46. - derain filter

  47. - deesser filter

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

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

  50. 

  51. 

  52. version 4.1:

  53. - deblock filter

  54. - tmix filter

  55. - amplify filter

  56. - fftdnoiz filter

  57. - aderivative and aintegral audio filters

  58. - pal75bars and pal100bars video filter sources

  59. - support mbedTLS based TLS

  60. - adeclick filter

  61. - adeclip filter

  62. - libtensorflow backend for DNN based filters like srcnn

  63. - vc1 decoder is now bit-exact

  64. - ATRAC9 decoder

  65. - lensfun wrapper filter

  66. - colorconstancy filter

  67. - AVS2 video decoder via libdavs2

  68. - IMM4 video decoder

  69. - Brooktree ProSumer video decoder

  70. - MatchWare Screen Capture Codec decoder

  71. - WinCam Motion Video decoder

  72. - 1D LUT filter (lut1d)

  73. - RemotelyAnywhere Screen Capture decoder

  74. - cue and acue filters

  75. - support for AV1 in MP4

  76. - transpose_npp filter

  77. - AVS2 video encoder via libxavs2

  78. - amultiply filter

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

  80. - acrossover filter

  81. - ilbc decoder

  82. - audio denoiser as afftdn filter

  83. - AV1 parser

  84. - SER demuxer

  85. - sinc audio filter source

  86. - chromahold filter

  87. - setparams filter

  88. - vibrance filter

  89. - decoding S12M timecode in h264

  90. - xstack filter

  91. - pcm vidc decoder and encoder

  92. - (a)graphmonitor filter

  93. - yadif_cuda filter

  94. 

  95. 

  96. version 4.0:

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

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

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

  100. - VDA dropped (use VideoToolbox instead)

  101. - MagicYUV encoder

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

  103. - TiVo ty/ty+ demuxer

  104. - Intel QSV-accelerated MJPEG encoding

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

  106. - native aptX and aptX HD encoder and decoder

  107. - Raw aptX and aptX HD muxer and demuxer

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

  109. - Intel QSV-accelerated overlay filter

  110. - mcompand audio filter

  111. - acontrast audio filter

  112. - OpenCL overlay filter

  113. - video mix filter

  114. - video normalize filter

  115. - audio lv2 wrapper filter

  116. - VAAPI MJPEG and VP8 decoding

  117. - AMD AMF H.264 and HEVC encoders

  118. - video fillborders filter

  119. - video setrange filter

  120. - nsp demuxer

  121. - support LibreSSL (via libtls)

  122. - AVX-512/ZMM support added

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

  124.   version is Windows Vista.

  125. - deconvolve video filter

  126. - entropy video filter

  127. - hilbert audio filter source

  128. - aiir audio filter

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

  130. - Removed the ffserver program

  131. - Removed the ffmenc and ffmdec muxer and demuxer

  132. - VideoToolbox HEVC encoder and hwaccel

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

  134. - Add android_camera indev

  135. - codec2 en/decoding via libcodec2

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

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

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

  139. - native SBC encoder and decoder

  140. - drmeter audio filter

  141. - hapqa_extract bitstream filter

  142. - filter_units bitstream filter

  143. - AV1 Support through libaom

  144. - E-AC-3 dependent frames support

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

  146. - Haivision SRT protocol via libsrt

  147. - segafilm muxer

  148. - vfrdet filter

  149. - SRCNN filter

  150. 

  151. 

  152. version 3.4:

  153. - deflicker video filter

  154. - doubleweave video filter

  155. - lumakey video filter

  156. - pixscope video filter

  157. - oscilloscope video filter

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

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

  160. - afir audio filter

  161. - scale_cuda CUDA based video scale filter

  162. - librsvg support for svg rasterization

  163. - crossfeed audio filter

  164. - spec compliant VP9 muxing support in MP4

  165. - remove the libnut muxer/demuxer wrappers

  166. - remove the libschroedinger encoder/decoder wrappers

  167. - surround audio filter

  168. - sofalizer filter switched to libmysofa

  169. - Gremlin Digital Video demuxer and decoder

  170. - headphone audio filter

  171. - superequalizer audio filter

  172. - roberts video filter

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

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

  175. - additional frame format support for Interplay MVE movies

  176. - support for decoding through D3D11VA in ffmpeg

  177. - limiter video filter

  178. - libvmaf video filter

  179. - Dolby E decoder and SMPTE 337M demuxer

  180. - unpremultiply video filter

  181. - tlut2 video filter

  182. - floodfill video filter

  183. - pseudocolor video filter

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

  185. - NewTek NDI input/output device

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

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

  188.   They must always be used by name.

  189. - FITS demuxer and decoder

  190. - FITS muxer and encoder

  191. - add --disable-autodetect build switch

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

  193. - despill video filter

  194. - haas audio filter

  195. - SUP/PGS subtitle muxer

  196. - convolve video filter

  197. - VP9 tile threading support

  198. - KMS screen grabber

  199. - CUDA thumbnail filter

  200. - V4L2 mem2mem HW assisted codecs

  201. - Rockchip MPP hardware decoding

  202. - vmafmotion video filter

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

  204. 

  205. 

  206. version 3.3:

  207. - CrystalHD decoder moved to new decode API

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

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

  210. - premultiply video filter

  211. - Support for spherical videos

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

  213. - PSD Decoder

  214. - 16.8 floating point pcm decoder

  215. - 24.0 floating point pcm decoder

  216. - Apple Pixlet decoder

  217. - QDMC audio decoder

  218. - NewTek SpeedHQ decoder

  219. - MIDI Sample Dump Standard demuxer

  220. - readeia608 filter

  221. - Sample Dump eXchange demuxer

  222. - abitscope multimedia filter

  223. - Scenarist Closed Captions demuxer and muxer

  224. - threshold filter

  225. - midequalizer filter

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

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

  228. - FM Screen Capture Codec decoder

  229. - native Opus encoder

  230. - ScreenPressor decoder

  231. - incomplete ClearVideo decoder

  232. - Intel QSV video scaling and deinterlacing filters

  233. - Support MOV with multiple sample description tables

  234. - XPM decoder

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

  236. - MPEG-7 Video Signature filter

  237. - Removed asyncts filter (use af_aresample instead)

  238. - Intel QSV-accelerated VP8 video decoding

  239. - VAAPI-accelerated deinterlacing

  240. 

  241. 

  242. version 3.2:

  243. - libopenmpt demuxer

  244. - tee protocol

  245. - Changed metadata print option to accept general urls

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

  247. - VP8 in Ogg muxing

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

  249. - 16-bit support in curves filter and selectivecolor filter

  250. - OpenH264 decoder wrapper

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

  252. - True Audio (TTA) muxer

  253. - crystalizer audio filter

  254. - acrusher audio filter

  255. - bitplanenoise video filter

  256. - floating point support in als decoder

  257. - fifo muxer

  258. - maskedclamp filter

  259. - hysteresis filter

  260. - lut2 filter

  261. - yuvtestsrc filter

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

  263. - vaguedenoiser filter

  264. - added threads option per filter instance

  265. - weave filter

  266. - gblur filter

  267. - avgblur filter

  268. - sobel and prewitt filter

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

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

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

  272. - sdl2 output device and ffplay support

  273. - sdl1 output device and sdl1 support removed

  274. - extended mov edit list support

  275. - libfaac encoder removed

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

  277. - sidedata video and asidedata audio filter

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

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

  280. 

  281. 

  282. version 3.1:

  283. - DXVA2-accelerated HEVC Main10 decoding

  284. - fieldhint filter

  285. - loop video filter and aloop audio filter

  286. - Bob Weaver deinterlacing filter

  287. - firequalizer filter

  288. - datascope filter

  289. - bench and abench filters

  290. - ciescope filter

  291. - protocol blacklisting API

  292. - MediaCodec H264 decoding

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

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

  295. - AudioToolbox audio decoders

  296. - AudioToolbox audio encoders

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

  298. - libdcadec removed

  299. - bitstream filter for extracting DTS core

  300. - ADPCM IMA DAT4 decoder

  301. - musx demuxer

  302. - aix demuxer

  303. - remap filter

  304. - hash and framehash muxers

  305. - colorspace filter

  306. - hdcd filter

  307. - readvitc filter

  308. - VAAPI-accelerated format conversion and scaling

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

  310. - Duck TrueMotion 2.0 Real Time decoder

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

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

  313. - DTS Express (LBR) decoder

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

  315. - IFF ANIM demuxer & decoder

  316. - Direct Stream Transfer (DST) decoder

  317. - loudnorm filter

  318. - MTAF demuxer and decoder

  319. - MagicYUV decoder

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

  321. - BitJazz SheerVideo decoder

  322. - CUDA CUVID H264/HEVC decoder

  323. - 10-bit depth support in native utvideo decoder

  324. - libutvideo wrapper removed

  325. - YUY2 Lossless Codec decoder

  326. - VideoToolbox H.264 encoder

  327. 

  328. 

  329. version 3.0:

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

  331. - DXV decoding

  332. - extrastereo filter

  333. - ocr filter

  334. - alimiter filter

  335. - stereowiden filter

  336. - stereotools filter

  337. - rubberband filter

  338. - tremolo filter

  339. - agate filter

  340. - chromakey filter

  341. - maskedmerge filter

  342. - Screenpresso SPV1 decoding

  343. - chromaprint fingerprinting muxer

  344. - ffplay dynamic volume control

  345. - displace filter

  346. - selectivecolor filter

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

  348. - ADPCM PSX decoder

  349. - 3dostr, dcstr, fsb, genh, vag, xvag, ads, msf, svag & vpk demuxer

  350. - zscale filter

  351. - wve demuxer

  352. - zero-copy Intel QSV transcoding in ffmpeg

  353. - shuffleframes filter

  354. - SDX2 DPCM decoder

  355. - vibrato filter

  356. - innoHeim/Rsupport Screen Capture Codec decoder

  357. - ADPCM AICA decoder

  358. - Interplay ACM demuxer and audio decoder

  359. - XMA1 & XMA2 decoder

  360. - realtime filter

  361. - anoisesrc audio filter source

  362. - IVR demuxer

  363. - compensationdelay filter

  364. - acompressor filter

  365. - support encoding 16-bit RLE SGI images

  366. - apulsator filter

  367. - sidechaingate audio filter

  368. - mipsdspr1 option has been renamed to mipsdsp

  369. - aemphasis filter

  370. - mips32r5 option has been removed

  371. - mips64r6 option has been removed

  372. - DXVA2-accelerated VP9 decoding

  373. - SOFAlizer: virtual binaural acoustics filter

  374. - VAAPI VP9 hwaccel

  375. - audio high-order multiband parametric equalizer

  376. - automatic bitstream filtering

  377. - showspectrumpic filter

  378. - libstagefright support removed

  379. - spectrumsynth filter

  380. - ahistogram filter

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

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

  383. - afftfilt filter

  384. - convolution filter

  385. - libquvi support removed

  386. - support for dvaudio in wav and avi

  387. - libaacplus and libvo-aacenc support removed

  388. - Cineform HD decoder

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

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

  391. - nnedi deinterlacer

  392. - streamselect video and astreamselect audio filter

  393. - swaprect filter

  394. - metadata video and ametadata audio filter

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

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

  397. 

  398. 

  399. version 2.8:

  400. - colorkey video filter

  401. - BFSTM/BCSTM demuxer

  402. - little-endian ADPCM_THP decoder

  403. - Hap decoder and encoder

  404. - DirectDraw Surface image/texture decoder

  405. - ssim filter

  406. - optional new ASF demuxer

  407. - showvolume filter

  408. - Many improvements to the JPEG 2000 decoder

  409. - Go2Meeting decoding support

  410. - adrawgraph audio and drawgraph video filter

  411. - removegrain video filter

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

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

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

  415. - libkvazaar HEVC encoder

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

  417. - Dynamic Audio Normalizer as dynaudnorm filter

  418. - Reverse video and areverse audio filter

  419. - Random filter

  420. - deband filter

  421. - AAC fixed-point decoding

  422. - sidechaincompress audio filter

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

  424. - acrossfade audio filter

  425. - allyuv and allrgb video sources

  426. - atadenoise video filter

  427. - OS X VideoToolbox support

  428. - aphasemeter filter

  429. - showfreqs filter

  430. - vectorscope filter

  431. - waveform filter

  432. - hstack and vstack filter

  433. - Support DNx100 (1440x1080@8)

  434. - VAAPI hevc hwaccel

  435. - VDPAU hevc hwaccel

  436. - framerate filter

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

  438. - Removed experimental flag from the JPEG 2000 encoder

  439. 

  440. 

  441. version 2.7:

  442. - FFT video filter

  443. - TDSC decoder

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

  445. - showwavespic filter

  446. - DTS decoding through libdcadec

  447. - Drop support for nvenc API before 5.0

  448. - nvenc HEVC encoder

  449. - Detelecine filter

  450. - Intel QSV-accelerated H.264 encoding

  451. - MMAL-accelerated H.264 decoding

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

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

  454. - WebM Live Chunk Muxer

  455. - nvenc level and tier options

  456. - chorus filter

  457. - Canopus HQ/HQA decoder

  458. - Automatically rotate videos based on metadata in ffmpeg

  459. - improved Quickdraw compatibility

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

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

  462. - Direct3D11-accelerated decoding

  463. - Support Secure Transport

  464. - Multipart JPEG demuxer

  465. 

  466. 

  467. version 2.6:

  468. - nvenc encoder

  469. - 10bit spp filter

  470. - colorlevels filter

  471. - RIFX format for *.wav files

  472. - RTP/mpegts muxer

  473. - non continuous cache protocol support

  474. - tblend filter

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

  476. - Camellia symmetric block cipher

  477. - OpenH264 encoder wrapper

  478. - VOC seeking support

  479. - Closed caption Decoder

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

  481. - showpalette filter

  482. - Twofish symmetric block cipher

  483. - Support DNx100 (960x720@8)

  484. - eq2 filter ported from libmpcodecs as eq filter

  485. - removed libmpcodecs

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

  487. - ported softpulldown filter from libmpcodecs as repeatfields filter

  488. - dcshift filter

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

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

  491. - palettegen and paletteuse filters

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

  493. - RTP depacketizer for DV (RFC 6469)

  494. - DXVA2-accelerated HEVC decoding

  495. - AAC ELD 480 decoding

  496. - Intel QSV-accelerated H.264 decoding

  497. - DSS SP decoder and DSS demuxer

  498. - Fix stsd atom corruption in DNxHD QuickTimes

  499. - Canopus HQX decoder

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

  501. - Port MIPS optimizations to 64-bit

  502. 

  503. 

  504. version 2.5:

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

  506. - SUP/PGS subtitle demuxer

  507. - ffprobe -show_pixel_formats option

  508. - CAST128 symmetric block cipher, ECB mode

  509. - STL subtitle demuxer and decoder

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

  511. - XCB-based screen-grabber

  512. - UDP-Lite support (RFC 3828)

  513. - xBR scaling filter

  514. - AVFoundation screen capturing support

  515. - ffserver supports codec private options

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

  517. - WebP muxer with animated WebP support

  518. - zygoaudio decoding support

  519. - APNG demuxer

  520. - postproc visualization support

  521. 

  522. 

  523. version 2.4:

  524. - Icecast protocol

  525. - ported lenscorrection filter from frei0r filter

  526. - large optimizations in dctdnoiz to make it usable

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

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

  529. - LZMA compression support in TIFF decoder

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

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

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

  533. - Matroska 3D support thorugh side data

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

  535. - silenceremove filter

  536. 

  537. 

  538. version 2.3:

  539. - AC3 fixed-point decoding

  540. - shuffleplanes filter

  541. - subfile protocol

  542. - Phantom Cine demuxer

  543. - replaygain data export

  544. - VP7 video decoder

  545. - Alias PIX image encoder and decoder

  546. - Improvements to the BRender PIX image decoder

  547. - Improvements to the XBM decoder

  548. - QTKit input device

  549. - improvements to OpenEXR image decoder

  550. - support decoding 16-bit RLE SGI images

  551. - GDI screen grabbing for Windows

  552. - alternative rendition support for HTTP Live Streaming

  553. - AVFoundation input device

  554. - Direct Stream Digital (DSD) decoder

  555. - Magic Lantern Video (MLV) demuxer

  556. - On2 AVC (Audio for Video) decoder

  557. - support for decoding through DXVA2 in ffmpeg

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

  559. - libx264 reference frames count limiting depending on level

  560. - native Opus decoder

  561. - display matrix export and rotation API

  562. - WebVTT encoder

  563. - showcqt multimedia filter

  564. - zoompan filter

  565. - signalstats filter

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

  567. - flanger filter

  568. - Image format auto-detection

  569. - LRC demuxer and muxer

  570. - Samba protocol (via libsmbclient)

  571. - WebM DASH Manifest muxer

  572. - libfribidi support in drawtext

  573. 

  574. 

  575. version 2.2:

  576. 

  577. - HNM version 4 demuxer and video decoder

  578. - Live HDS muxer

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

  580. - elbg filter

  581. - string validation in ffprobe

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

  583. - complete Voxware MetaSound decoder

  584. - remove mp3_header_compress bitstream filter

  585. - Windows resource files for shared libraries

  586. - aeval filter

  587. - stereoscopic 3d metadata handling

  588. - WebP encoding via libwebp

  589. - ATRAC3+ decoder

  590. - VP8 in Ogg demuxing

  591. - side & metadata support in NUT

  592. - framepack filter

  593. - XYZ12 rawvideo support in NUT

  594. - Exif metadata support in WebP decoder

  595. - OpenGL device

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

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

  598. - Mirillis FIC video decoder

  599. - Support DNx444

  600. - libx265 encoder

  601. - dejudder filter

  602. - Autodetect VDA like all other hardware accelerations

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

  604. 

  605. 

  606. version 2.1:

  607. 

  608. - aecho filter

  609. - perspective filter ported from libmpcodecs

  610. - ffprobe -show_programs option

  611. - compand filter

  612. - RTMP seek support

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

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

  615.   the -noaccurate_seek option.

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

  617.   data read from an input file

  618. - incomplete Voxware MetaSound decoder

  619. - read EXIF metadata from JPEG

  620. - DVB teletext decoder

  621. - phase filter ported from libmpcodecs

  622. - w3fdif filter

  623. - Opus support in Matroska

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

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

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

  627.   more consistent with other muxers.

  628. - adelay filter

  629. - pullup filter ported from libmpcodecs

  630. - ffprobe -read_intervals option

  631. - Lossless and alpha support for WebP decoder

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

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

  634. - mux chapters in ASF files

  635. - SFTP protocol (via libssh)

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

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

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

  639.   the skip_alpha flag.

  640. - ladspa wrapper filter

  641. - native VP9 decoder

  642. - dpx parser

  643. - max_error_rate parameter in ffmpeg

  644. - PulseAudio output device

  645. - ReplayGain scanner

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

  647. - Linux framebuffer output device

  648. - HEVC decoder

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

  650. - mergeplanes filter

  651. 

  652. 

  653. version 2.0:

  654. 

  655. - curves filter

  656. - reference-counting for AVFrame and AVPacket data

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

  658.   or vice versa

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

  660. - perms and aperms filters

  661. - audio filtering support in ffplay

  662. - 10% faster aac encoding on x86 and MIPS

  663. - sine audio filter source

  664. - WebP demuxing and decoding support

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

  666.   filtergraph description to be read from a file

  667. - OpenCL support

  668. - audio phaser filter

  669. - separatefields filter

  670. - libquvi demuxer

  671. - uniform options syntax across all filters

  672. - telecine filter

  673. - interlace filter

  674. - smptehdbars source

  675. - inverse telecine filters (fieldmatch and decimate)

  676. - colorbalance filter

  677. - colorchannelmixer filter

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

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

  680. - decent native animated GIF encoding

  681. - asetrate filter

  682. - interleave filter

  683. - timeline editing with filters

  684. - vidstabdetect and vidstabtransform filters for video stabilization using

  685.   the vid.stab library

  686. - astats filter

  687. - trim and atrim filters

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

  689.   transcoding audio

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

  691. - extractplanes filter

  692. - avectorscope filter

  693. - ADPCM DTK decoder

  694. - ADP demuxer

  695. - RSD demuxer

  696. - RedSpark demuxer

  697. - ADPCM IMA Radical decoder

  698. - zmq filters

  699. - DCT denoiser filter (dctdnoiz)

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

  701. - Apple Intermediate Codec decoder

  702. - Escape 130 video decoder

  703. - FTP protocol support

  704. - V4L2 output device

  705. - 3D LUT filter (lut3d)

  706. - SMPTE 302M audio encoder

  707. - support for slice multithreading in libavfilter

  708. - Hald CLUT support (generation and filtering)

  709. - VC-1 interlaced B-frame support

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

  711. - XVideo output device

  712. - vignette filter

  713. - True Audio (TTA) encoder

  714. - Go2Webinar decoder

  715. - mcdeint filter ported from libmpcodecs

  716. - sab filter ported from libmpcodecs

  717. - ffprobe -show_chapters option

  718. - WavPack encoding through libwavpack

  719. - rotate filter

  720. - spp filter ported from libmpcodecs

  721. - libgme support

  722. - psnr filter

  723. 

  724. 

  725. version 1.2:

  726. 

  727. - VDPAU hardware acceleration through normal hwaccel

  728. - SRTP support

  729. - Error diffusion dither in Swscale

  730. - Chained Ogg support

  731. - Theora Midstream reconfiguration support

  732. - EVRC decoder

  733. - audio fade filter

  734. - filtering audio with unknown channel layout

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

  736.   and treble audio filter

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

  738. - histogram filter

  739. - tee muxer

  740. - il filter ported from libmpcodecs

  741. - support ID3v2 tags in ASF files

  742. - encrypted TTA stream decoding support

  743. - RF64 support in WAV muxer

  744. - noise filter ported from libmpcodecs

  745. - Subtitles character encoding conversion

  746. - blend filter

  747. - stereo3d filter ported from libmpcodecs

  748. 

  749. 

  750. version 1.1:

  751. 

  752. - stream disposition information printing in ffprobe

  753. - filter for loudness analysis following EBU R128

  754. - Opus encoder using libopus

  755. - ffprobe -select_streams option

  756. - Pinnacle TARGA CineWave YUV16 decoder

  757. - TAK demuxer, decoder and parser

  758. - DTS-HD demuxer

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

  760. - FFM2 support

  761. - X-Face image encoder and decoder

  762. - 24-bit FLAC encoding

  763. - multi-channel ALAC encoding up to 7.1

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

  765. - subtitles raw text decoder

  766. - support for building DLLs using MSVC

  767. - LVF demuxer

  768. - ffescape tool

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

  770. - field filter ported from libmpcodecs

  771. - AVR demuxer

  772. - geq filter ported from libmpcodecs

  773. - remove ffserver daemon mode

  774. - AST muxer/demuxer

  775. - new expansion syntax for drawtext

  776. - BRender PIX image decoder

  777. - ffprobe -show_entries option

  778. - ffprobe -sections option

  779. - ADPCM IMA Dialogic decoder

  780. - BRSTM demuxer

  781. - animated GIF decoder and demuxer

  782. - PVF demuxer

  783. - subtitles filter

  784. - IRCAM muxer/demuxer

  785. - Paris Audio File demuxer

  786. - Virtual concatenation demuxer

  787. - VobSub demuxer

  788. - JSON captions for TED talks decoding support

  789. - SOX Resampler support in libswresample

  790. - aselect filter

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

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

  793. - Silicon Graphics Movie demuxer

  794. - apad filter

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

  796. - documentation split into per-component manuals

  797. - pp (postproc) filter ported from MPlayer

  798. - NIST Sphere demuxer

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

  800. - Sony Wave64 muxer

  801. - adobe and limelight publisher authentication in RTMP

  802. - data: URI scheme

  803. - support building on the Plan 9 operating system

  804. - kerndeint filter ported from MPlayer

  805. - histeq filter ported from VirtualDub

  806. - Megalux Frame demuxer

  807. - 012v decoder

  808. - Improved AVC Intra decoding support

  809. 

  810. 

  811. version 1.0:

  812. 

  813. - INI and flat output in ffprobe

  814. - Scene detection in libavfilter

  815. - Indeo Audio decoder

  816. - channelsplit audio filter

  817. - setnsamples audio filter

  818. - atempo filter

  819. - ffprobe -show_data option

  820. - RTMPT protocol support

  821. - iLBC encoding/decoding via libilbc

  822. - Microsoft Screen 1 decoder

  823. - join audio filter

  824. - audio channel mapping filter

  825. - Microsoft ATC Screen decoder

  826. - RTSP listen mode

  827. - TechSmith Screen Codec 2 decoder

  828. - AAC encoding via libfdk-aac

  829. - Microsoft Expression Encoder Screen decoder

  830. - RTMPS protocol support

  831. - RTMPTS protocol support

  832. - RTMPE protocol support

  833. - RTMPTE protocol support

  834. - showwaves and showspectrum filter

  835. - LucasArts SMUSH SANM playback support

  836. - LucasArts SMUSH VIMA audio decoder (ADPCM)

  837. - LucasArts SMUSH demuxer

  838. - SAMI, RealText and SubViewer demuxers and decoders

  839. - Heart Of Darkness PAF playback support

  840. - iec61883 device

  841. - asettb filter

  842. - new option: -progress

  843. - 3GPP Timed Text encoder/decoder

  844. - GeoTIFF decoder support

  845. - ffmpeg -(no)stdin option

  846. - Opus decoder using libopus

  847. - caca output device using libcaca

  848. - alphaextract and alphamerge filters

  849. - concat filter

  850. - flite filter

  851. - Canopus Lossless Codec decoder

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

  853. - MP2 encoding via TwoLAME

  854. - bmp parser

  855. - smptebars source

  856. - asetpts filter

  857. - hue filter

  858. - ICO muxer

  859. - SubRip encoder and decoder without embedded timing

  860. - edge detection filter

  861. - framestep filter

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

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

  864. - volume measurement filter

  865. - Ut Video encoder

  866. - Microsoft Screen 2 decoder

  867. - smartblur filter ported from MPlayer

  868. - CPiA decoder

  869. - decimate filter ported from MPlayer

  870. - RTP depacketization of JPEG

  871. - Smooth Streaming live segmenter muxer

  872. - F4V muxer

  873. - sendcmd and asendcmd filters

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

  875. - RTP packetization of JPEG

  876. - faststart option in the MOV/MP4 muxer

  877. - support for building with MSVC

  878. 

  879. 

  880. version 0.11:

  881. 

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

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

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

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

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

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

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

  889. - setfield filter

  890. - CDXL demuxer and decoder

  891. - Apple ProRes encoder

  892. - ffprobe -count_packets and -count_frames options

  893. - Sun Rasterfile Encoder

  894. - ID3v2 attached pictures reading and writing

  895. - WMA Lossless decoder

  896. - bluray protocol

  897. - blackdetect filter

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

  899. - swapuv filter

  900. - bbox filter

  901. - XBM encoder and decoder

  902. - RealAudio Lossless decoder

  903. - ZeroCodec decoder

  904. - tile video filter

  905. - Metal Gear Solid: The Twin Snakes demuxer

  906. - OpenEXR image decoder

  907. - removelogo filter

  908. - drop support for ffmpeg without libavfilter

  909. - drawtext video filter: fontconfig support

  910. - ffmpeg -benchmark_all option

  911. - super2xsai filter ported from libmpcodecs

  912. - add libavresample audio conversion library for compatibility

  913. - MicroDVD decoder

  914. - Avid Meridien (AVUI) encoder and decoder

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

  916. - complete audio filtering in libavfilter and ffmpeg

  917. - add fps filter

  918. - vorbis parser

  919. - png parser

  920. - audio mix filter

  921. - ffv1: support (draft) version 1.3

  922. 

  923. 

  924. version 0.10:

  925. 

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

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

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

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

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

  931. - SBaGen (SBG) binaural beats script demuxer

  932. - OpenMG Audio muxer

  933. - Timecode extraction in DV and MOV

  934. - thumbnail video filter

  935. - XML output in ffprobe

  936. - asplit audio filter

  937. - tinterlace video filter

  938. - astreamsync audio filter

  939. - amerge audio filter

  940. - ISMV (Smooth Streaming) muxer

  941. - GSM audio parser

  942. - SMJPEG muxer

  943. - XWD encoder and decoder

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

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

  946. - ffprobe -show_error option

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

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

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

  950. - ffprobe -show_frames option

  951. - silencedetect audio filter

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

  953. - rv34: frame-level multi-threading

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

  955. - Improved PGS subtitle decoder

  956. - dumpgraph option to lavfi device

  957. - r210 and r10k encoders

  958. - ffwavesynth decoder

  959. - aviocat tool

  960. - ffeval tool

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

  962. 

  963. 

  964. version 0.9:

  965. 

  966. - openal input device added

  967. - boxblur filter added

  968. - BWF muxer

  969. - Flash Screen Video 2 decoder

  970. - lavfi input device added

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

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

  973. easier to use. The changes are:

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

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

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

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

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

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

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

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

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

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

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

  985.       specifiers section in the avconv manual for details.

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

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

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

  989.       apply to the next input or output file.

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

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

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

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

  994.       each stream in the first input file.

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

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

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

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

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

  1000.           output stream from the third input audio stream.

  1001.         + Omitting the stream index now maps all the streams of the given type,

  1002.           not just the first. E.g. -map 0:s creates output streams for all the

  1003.           subtitle streams in the first input file.

  1004.         + Since -map can now match multiple streams, negative mappings were

  1005.           introduced. Negative mappings disable some streams from an already

  1006.           defined map. E.g. '-map 0 -map -0:a:1' means 'create output streams for

  1007.           all the stream in the first input file, except for the second audio

  1008.           stream'.

  1009.     * There is a new option -c (or -codec) for choosing the decoder/encoder to

  1010.       use, which makes it possible to precisely specify target stream(s) consistently with

  1011.       other options. E.g. -c:v lib264 sets the codec for all video streams, -c:a:0

  1012.       libvorbis sets the codec for the first audio stream and -c copy copies all

  1013.       the streams without reencoding. Old -vcodec/-acodec/-scodec options are now

  1014.       aliases to -c:v/a/s

  1015.     * It is now possible to precisely specify which stream should an AVOption

  1016.       apply to. E.g. -b:v:0 2M sets the bitrate for the first video stream, while

  1017.       -b:a 128k sets the bitrate for all audio streams. Note that the old -ab 128k

  1018.       syntax is deprecated and will stop working soon.

  1019.     * -map_chapters now takes only an input file index and applies to the next

  1020.       output file. This is consistent with how all the other options work.

  1021.     * -map_metadata now takes only an input metadata specifier and applies to

  1022.       the next output file. Output metadata specifier is now part of the option

  1023.       name, similarly to the AVOptions/map/codec feature above.

  1024.     * -metadata can now be used to set metadata on streams and chapters, e.g.

  1025.       -metadata:s:1 language=eng sets the language of the first stream to 'eng'.

  1026.       This made -vlang/-alang/-slang options redundant, so they were removed.

  1027.     * -qscale option now uses stream specifiers and applies to all streams, not

  1028.       just video. I.e. plain -qscale number would now apply to all streams. To get

  1029.       the old behavior, use -qscale:v. Also there is now a shortcut -q for -qscale

  1030.       and -aq is now an alias for -q:a.

  1031.     * -vbsf/-absf/-sbsf options were removed and replaced by a -bsf option which

  1032.       uses stream specifiers. Use -bsf:v/a/s instead of the old options.

  1033.     * -itsscale option now uses stream specifiers, so its argument is only the

  1034.       scale parameter.

  1035.     * -intra option was removed, use -g 0 for the same effect.

  1036.     * -psnr option was removed, use -flags +psnr for the same effect.

  1037.     * -vf option is now an alias to the new -filter option, which uses stream specifiers.

  1038.     * -vframes/-aframes/-dframes options are now aliases to the new -frames option.

  1039.     * -vtag/-atag/-stag options are now aliases to the new -tag option.

  1040. - XMV demuxer

  1041. - LOAS demuxer

  1042. - ashowinfo filter added

  1043. - Windows Media Image decoder

  1044. - amovie source added

  1045. - LATM muxer/demuxer

  1046. - Speex encoder via libspeex

  1047. - JSON output in ffprobe

  1048. - WTV muxer

  1049. - Optional C++ Support (needed for libstagefright)

  1050. - H.264 Decoding on Android via Stagefright

  1051. - Prores decoder

  1052. - BIN/XBIN/ADF/IDF text file decoder

  1053. - aconvert audio filter added

  1054. - audio support to lavfi input device added

  1055. - libcdio-paranoia input device for audio CD grabbing

  1056. - Apple ProRes decoder

  1057. - CELT in Ogg demuxing

  1058. - G.723.1 demuxer and decoder

  1059. - libmodplug support (--enable-libmodplug)

  1060. - VC-1 interlaced decoding

  1061. - libutvideo wrapper (--enable-libutvideo)

  1062. - aevalsrc audio source added

  1063. - Ut Video decoder

  1064. - Speex encoding via libspeex

  1065. - 4:2:2 H.264 decoding support

  1066. - 4:2:2 and 4:4:4 H.264 encoding with libx264

  1067. - Pulseaudio input device

  1068. - Prores encoder

  1069. - Video Decoder Acceleration (VDA) HWAccel module.

  1070. - replacement Indeo 3 decoder

  1071. - new ffmpeg option: -map_channel

  1072. - volume audio filter added

  1073. - earwax audio filter added

  1074. - libv4l2 support (--enable-libv4l2)

  1075. - TLS/SSL and HTTPS protocol support

  1076. - AVOptions API rewritten and documented

  1077. - most of CODEC_FLAG2_*, some CODEC_FLAG_* and many codec-specific fields in

  1078.   AVCodecContext deprecated. Codec private options should be used instead.

  1079. - Properly working defaults in libx264 wrapper, support for native presets.

  1080. - Encrypted OMA files support

  1081. - Discworld II BMV decoding support

  1082. - VBLE Decoder

  1083. - OS X Video Decoder Acceleration (VDA) support

  1084. - compact and csv output in ffprobe

  1085. - pan audio filter

  1086. - IFF Amiga Continuous Bitmap (ACBM) decoder

  1087. - ass filter

  1088. - CRI ADX audio format muxer and demuxer

  1089. - Playstation Portable PMP format demuxer

  1090. - Microsoft Windows ICO demuxer

  1091. - life source

  1092. - PCM format support in OMA demuxer

  1093. - CLJR encoder

  1094. - new option: -report

  1095. - Dxtory capture format decoder

  1096. - cellauto source

  1097. - Simple segmenting muxer

  1098. - Indeo 4 decoder

  1099. - SMJPEG demuxer

  1100. 

  1101. 

  1102. version 0.8:

  1103. 

  1104. - many many things we forgot because we rather write code than changelogs

  1105. - WebM support in Matroska de/muxer

  1106. - low overhead Ogg muxing

  1107. - MMS-TCP support

  1108. - VP8 de/encoding via libvpx

  1109. - Demuxer for On2's IVF format

  1110. - Pictor/PC Paint decoder

  1111. - HE-AAC v2 decoder

  1112. - HE-AAC v2 encoding with libaacplus

  1113. - libfaad2 wrapper removed

  1114. - DTS-ES extension (XCh) decoding support

  1115. - native VP8 decoder

  1116. - RTSP tunneling over HTTP

  1117. - RTP depacketization of SVQ3

  1118. - -strict inofficial replaced by -strict unofficial

  1119. - ffplay -exitonkeydown and -exitonmousedown options added

  1120. - native GSM / GSM MS decoder

  1121. - RTP depacketization of QDM2

  1122. - ANSI/ASCII art playback system

  1123. - Lego Mindstorms RSO de/muxer

  1124. - libavcore added (and subsequently removed)

  1125. - SubRip subtitle file muxer and demuxer

  1126. - Chinese AVS encoding via libxavs

  1127. - ffprobe -show_packets option added

  1128. - RTP packetization of Theora and Vorbis

  1129. - RTP depacketization of MP4A-LATM

  1130. - RTP packetization and depacketization of VP8

  1131. - hflip filter

  1132. - Apple HTTP Live Streaming demuxer

  1133. - a64 codec

  1134. - MMS-HTTP support

  1135. - G.722 ADPCM audio encoder/decoder

  1136. - R10k video decoder

  1137. - ocv_smooth filter

  1138. - frei0r wrapper filter

  1139. - change crop filter syntax to width:height:x:y

  1140. - make the crop filter accept parametric expressions

  1141. - make ffprobe accept AVFormatContext options

  1142. - yadif filter

  1143. - blackframe filter

  1144. - Demuxer for Leitch/Harris' VR native stream format (LXF)

  1145. - RTP depacketization of the X-QT QuickTime format

  1146. - SAP (Session Announcement Protocol, RFC 2974) muxer and demuxer

  1147. - cropdetect filter

  1148. - ffmpeg -crop* options removed

  1149. - transpose filter added

  1150. - ffmpeg -force_key_frames option added

  1151. - demuxer for receiving raw rtp:// URLs without an SDP description

  1152. - single stream LATM/LOAS decoder

  1153. - setpts filter added

  1154. - Win64 support for optimized x86 assembly functions

  1155. - MJPEG/AVI1 to JPEG/JFIF bitstream filter

  1156. - ASS subtitle encoder and decoder

  1157. - IEC 61937 encapsulation for E-AC-3, TrueHD, DTS-HD (for HDMI passthrough)

  1158. - overlay filter added

  1159. - rename aspect filter to setdar, and pixelaspect to setsar

  1160. - IEC 61937 demuxer

  1161. - Mobotix .mxg demuxer

  1162. - frei0r source added

  1163. - hqdn3d filter added

  1164. - RTP depacketization of QCELP

  1165. - FLAC parser added

  1166. - gradfun filter added

  1167. - AMR-WB decoder

  1168. - replace the ocv_smooth filter with a more generic ocv filter

  1169. - Windows Televison (WTV) demuxer

  1170. - FFmpeg metadata format muxer and demuxer

  1171. - SubRip (srt) subtitle encoder and decoder

  1172. - floating-point AC-3 encoder added

  1173. - Lagarith decoder

  1174. - ffmpeg -copytb option added

  1175. - IVF muxer added

  1176. - Wing Commander IV movies decoder added

  1177. - movie source added

  1178. - Bink version 'b' audio and video decoder

  1179. - Bitmap Brothers JV playback system

  1180. - Apple HTTP Live Streaming protocol handler

  1181. - sndio support for playback and record

  1182. - Linux framebuffer input device added

  1183. - Chronomaster DFA decoder

  1184. - DPX image encoder

  1185. - MicroDVD subtitle file muxer and demuxer

  1186. - Playstation Portable PMP format demuxer

  1187. - fieldorder video filter added

  1188. - AAC encoding via libvo-aacenc

  1189. - AMR-WB encoding via libvo-amrwbenc

  1190. - xWMA demuxer

  1191. - Mobotix MxPEG decoder

  1192. - VP8 frame-multithreading

  1193. - NEON optimizations for VP8

  1194. - Lots of deprecated API cruft removed

  1195. - fft and imdct optimizations for AVX (Sandy Bridge) processors

  1196. - showinfo filter added

  1197. - SMPTE 302M AES3 audio decoder

  1198. - Apple Core Audio Format muxer

  1199. - 9 bits and 10 bits per sample support in the H.264 decoder

  1200. - 9 bits and 10 bits FFV1 encoding / decoding

  1201. - split filter added

  1202. - select filter added

  1203. - sdl output device added

  1204. - libmpcodecs video filter support (3 times as many filters than before)

  1205. - mpeg2 aspect ratio dection fixed

  1206. - libxvid aspect pickiness fixed

  1207. - Frame multithreaded decoding

  1208. - E-AC-3 audio encoder

  1209. - ac3enc: add channel coupling support

  1210. - floating-point sample format support to the ac3, eac3, dca, aac, and vorbis decoders.

  1211. - H264/MPEG frame-level multi-threading

  1212. - All av_metadata_* functions renamed to av_dict_* and moved to libavutil

  1213. - 4:4:4 H.264 decoding support

  1214. - 10-bit H.264 optimizations for x86

  1215. - lut, lutrgb, and lutyuv filters added

  1216. - buffersink libavfilter sink added

  1217. - Bump libswscale for recently reported ABI break

  1218. - New J2K encoder (via OpenJPEG)

  1219. 

  1220. 

  1221. version 0.7:

  1222. 

  1223. - all the changes for 0.8, but keeping API/ABI compatibility with the 0.6 release

  1224. 

  1225. 

  1226. version 0.6:

  1227. 

  1228. - PB-frame decoding for H.263

  1229. - deprecated vhook subsystem removed

  1230. - deprecated old scaler removed

  1231. - VQF demuxer

  1232. - Alpha channel scaler

  1233. - PCX encoder

  1234. - RTP packetization of H.263

  1235. - RTP packetization of AMR

  1236. - RTP depacketization of Vorbis

  1237. - CorePNG decoding support

  1238. - Cook multichannel decoding support

  1239. - introduced avlanguage helpers in libavformat

  1240. - 8088flex TMV demuxer and decoder

  1241. - per-stream language-tags extraction in asfdec

  1242. - V210 decoder and encoder

  1243. - remaining GPL parts in AC-3 decoder converted to LGPL

  1244. - QCP demuxer

  1245. - SoX native format muxer and demuxer

  1246. - AMR-NB decoding/encoding, AMR-WB decoding via OpenCORE libraries

  1247. - DPX image decoder

  1248. - Electronic Arts Madcow decoder

  1249. - DivX (XSUB) subtitle encoder

  1250. - nonfree libamr support for AMR-NB/WB decoding/encoding removed

  1251. - experimental AAC encoder

  1252. - RTP depacketization of ASF and RTSP from WMS servers

  1253. - RTMP support in libavformat

  1254. - noX handling for OPT_BOOL X options

  1255. - Wave64 demuxer

  1256. - IEC-61937 compatible Muxer

  1257. - TwinVQ decoder

  1258. - Bluray (PGS) subtitle decoder

  1259. - LPCM support in MPEG-TS (HDMV RID as found on Blu-ray disks)

  1260. - WMA Pro decoder

  1261. - Core Audio Format demuxer

  1262. - ATRAC1 decoder

  1263. - MD STUDIO audio demuxer

  1264. - RF64 support in WAV demuxer

  1265. - MPEG-4 Audio Lossless Coding (ALS) decoder

  1266. - -formats option split into -formats, -codecs, -bsfs, and -protocols

  1267. - IV8 demuxer

  1268. - CDG demuxer and decoder

  1269. - R210 decoder

  1270. - Auravision Aura 1 and 2 decoders

  1271. - Deluxe Paint Animation playback system

  1272. - SIPR decoder

  1273. - Adobe Filmstrip muxer and demuxer

  1274. - RTP depacketization of H.263

  1275. - Bink demuxer and audio/video decoders

  1276. - enable symbol versioning by default for linkers that support it

  1277. - IFF PBM/ILBM bitmap decoder

  1278. - concat protocol

  1279. - Indeo 5 decoder

  1280. - RTP depacketization of AMR

  1281. - WMA Voice decoder

  1282. - ffprobe tool

  1283. - AMR-NB decoder

  1284. - RTSP muxer

  1285. - HE-AAC v1 decoder

  1286. - Kega Game Video (KGV1) decoder

  1287. - VorbisComment writing for FLAC, Ogg FLAC and Ogg Speex files

  1288. - RTP depacketization of Theora

  1289. - HTTP Digest authentication

  1290. - RTMP/RTMPT/RTMPS/RTMPE/RTMPTE protocol support via librtmp

  1291. - Psygnosis YOP demuxer and video decoder

  1292. - spectral extension support in the E-AC-3 decoder

  1293. - unsharp video filter

  1294. - RTP hinting in the mov/3gp/mp4 muxer

  1295. - Dirac in Ogg demuxing

  1296. - seek to keyframes in Ogg

  1297. - 4:2:2 and 4:4:4 Theora decoding

  1298. - 35% faster VP3/Theora decoding

  1299. - faster AAC decoding

  1300. - faster H.264 decoding

  1301. - RealAudio 1.0 (14.4K) encoder

  1302. 

  1303. 

  1304. version 0.5:

  1305. 

  1306. - DV50 AKA DVCPRO50 encoder, decoder, muxer and demuxer

  1307. - TechSmith Camtasia (TSCC) video decoder

  1308. - IBM Ultimotion (ULTI) video decoder

  1309. - Sierra Online audio file demuxer and decoder

  1310. - Apple QuickDraw (qdrw) video decoder

  1311. - Creative ADPCM audio decoder (16 bits as well as 8 bits schemes)

  1312. - Electronic Arts Multimedia (WVE/UV2/etc.) file demuxer

  1313. - Miro VideoXL (VIXL) video decoder

  1314. - H.261 video encoder

  1315. - QPEG video decoder

  1316. - Nullsoft Video (NSV) file demuxer

  1317. - Shorten audio decoder

  1318. - LOCO video decoder

  1319. - Apple Lossless Audio Codec (ALAC) decoder

  1320. - Winnov WNV1 video decoder

  1321. - Autodesk Animator Studio Codec (AASC) decoder

  1322. - Indeo 2 video decoder

  1323. - Fraps FPS1 video decoder

  1324. - Snow video encoder/decoder

  1325. - Sonic audio encoder/decoder

  1326. - Vorbis audio decoder

  1327. - Macromedia ADPCM decoder

  1328. - Duck TrueMotion 2 video decoder

  1329. - support for decoding FLX and DTA extensions in FLIC files

  1330. - H.264 custom quantization matrices support

  1331. - ffserver fixed, it should now be usable again

  1332. - QDM2 audio decoder

  1333. - Real Cooker audio decoder

  1334. - TrueSpeech audio decoder

  1335. - WMA2 audio decoder fixed, now all files should play correctly

  1336. - RealAudio 14.4 and 28.8 decoders fixed

  1337. - JPEG-LS decoder

  1338. - build system improvements

  1339. - tabs and trailing whitespace removed from the codebase

  1340. - CamStudio video decoder

  1341. - AIFF/AIFF-C audio format, encoding and decoding

  1342. - ADTS AAC file reading and writing

  1343. - Creative VOC file reading and writing

  1344. - American Laser Games multimedia (*.mm) playback system

  1345. - Zip Motion Blocks Video decoder

  1346. - improved Theora/VP3 decoder

  1347. - True Audio (TTA) decoder

  1348. - AVS demuxer and video decoder

  1349. - JPEG-LS encoder

  1350. - Smacker demuxer and decoder

  1351. - NuppelVideo/MythTV demuxer and RTjpeg decoder

  1352. - KMVC decoder

  1353. - MPEG-2 intra VLC support

  1354. - MPEG-2 4:2:2 encoder

  1355. - Flash Screen Video decoder

  1356. - GXF demuxer

  1357. - Chinese AVS decoder

  1358. - GXF muxer

  1359. - MXF demuxer

  1360. - VC-1/WMV3/WMV9 video decoder

  1361. - MacIntel support

  1362. - AviSynth support

  1363. - VMware video decoder

  1364. - VP5 video decoder

  1365. - VP6 video decoder

  1366. - WavPack lossless audio decoder

  1367. - Targa (.TGA) picture decoder

  1368. - Vorbis audio encoder

  1369. - Delphine Software .cin demuxer/audio and video decoder

  1370. - Tiertex .seq demuxer/video decoder

  1371. - MTV demuxer

  1372. - TIFF picture encoder and decoder

  1373. - GIF picture decoder

  1374. - Intel Music Coder decoder

  1375. - Zip Motion Blocks Video encoder

  1376. - Musepack decoder

  1377. - Flash Screen Video encoder

  1378. - Theora encoding via libtheora

  1379. - BMP encoder

  1380. - WMA encoder

  1381. - GSM-MS encoder and decoder

  1382. - DCA decoder

  1383. - DXA demuxer and decoder

  1384. - DNxHD decoder

  1385. - Gamecube movie (.THP) playback system

  1386. - Blackfin optimizations

  1387. - Interplay C93 demuxer and video decoder

  1388. - Bethsoft VID demuxer and video decoder

  1389. - CRYO APC demuxer

  1390. - ATRAC3 decoder

  1391. - V.Flash PTX decoder

  1392. - RoQ muxer, RoQ audio encoder

  1393. - Renderware TXD demuxer and decoder

  1394. - extern C declarations for C++ removed from headers

  1395. - sws_flags command line option

  1396. - codebook generator

  1397. - RoQ video encoder

  1398. - QTRLE encoder

  1399. - OS/2 support removed and restored again

  1400. - AC-3 decoder

  1401. - NUT muxer

  1402. - additional SPARC (VIS) optimizations

  1403. - Matroska muxer

  1404. - slice-based parallel H.264 decoding

  1405. - Monkey's Audio demuxer and decoder

  1406. - AMV audio and video decoder

  1407. - DNxHD encoder

  1408. - H.264 PAFF decoding

  1409. - Nellymoser ASAO decoder

  1410. - Beam Software SIFF demuxer and decoder

  1411. - libvorbis Vorbis decoding removed in favor of native decoder

  1412. - IntraX8 (J-Frame) subdecoder for WMV2 and VC-1

  1413. - Ogg (Theora, Vorbis and FLAC) muxer

  1414. - The "device" muxers and demuxers are now in a new libavdevice library

  1415. - PC Paintbrush PCX decoder

  1416. - Sun Rasterfile decoder

  1417. - TechnoTrend PVA demuxer

  1418. - Linux Media Labs MPEG-4 (LMLM4) demuxer

  1419. - AVM2 (Flash 9) SWF muxer

  1420. - QT variant of IMA ADPCM encoder

  1421. - VFW grabber

  1422. - iPod/iPhone compatible mp4 muxer

  1423. - Mimic decoder

  1424. - MSN TCP Webcam stream demuxer

  1425. - RL2 demuxer / decoder

  1426. - IFF demuxer

  1427. - 8SVX audio decoder

  1428. - non-recursive Makefiles

  1429. - BFI demuxer

  1430. - MAXIS EA XA (.xa) demuxer / decoder

  1431. - BFI video decoder

  1432. - OMA demuxer

  1433. - MLP/TrueHD decoder

  1434. - Electronic Arts CMV decoder

  1435. - Motion Pixels Video decoder

  1436. - Motion Pixels MVI demuxer

  1437. - removed animated GIF decoder/demuxer

  1438. - D-Cinema audio muxer

  1439. - Electronic Arts TGV decoder

  1440. - Apple Lossless Audio Codec (ALAC) encoder

  1441. - AAC decoder

  1442. - floating point PCM encoder/decoder

  1443. - MXF muxer

  1444. - DV100 AKA DVCPRO HD decoder and demuxer

  1445. - E-AC-3 support added to AC-3 decoder

  1446. - Nellymoser ASAO encoder

  1447. - ASS and SSA demuxer and muxer

  1448. - liba52 wrapper removed

  1449. - SVQ3 watermark decoding support

  1450. - Speex decoding via libspeex

  1451. - Electronic Arts TGQ decoder

  1452. - RV40 decoder

  1453. - QCELP / PureVoice decoder

  1454. - RV30 decoder

  1455. - hybrid WavPack support

  1456. - R3D REDCODE demuxer

  1457. - ALSA support for playback and record

  1458. - Electronic Arts TQI decoder

  1459. - OpenJPEG based JPEG 2000 decoder

  1460. - NC (NC4600) camera file demuxer

  1461. - Gopher client support

  1462. - MXF D-10 muxer

  1463. - generic metadata API

  1464. - flash ScreenVideo2 encoder

  1465. 

  1466. 

  1467. version 0.4.9-pre1:

  1468. 

  1469. - DV encoder, DV muxer

  1470. - Microsoft RLE video decoder

  1471. - Microsoft Video-1 decoder

  1472. - Apple Animation (RLE) decoder

  1473. - Apple Graphics (SMC) decoder

  1474. - Apple Video (RPZA) decoder

  1475. - Cinepak decoder

  1476. - Sega FILM (CPK) file demuxer

  1477. - Westwood multimedia support (VQA & AUD files)

  1478. - Id Quake II CIN playback support

  1479. - 8BPS video decoder

  1480. - FLIC playback support

  1481. - RealVideo 2.0 (RV20) decoder

  1482. - Duck TrueMotion v1 (DUCK) video decoder

  1483. - Sierra VMD demuxer and video decoder

  1484. - MSZH and ZLIB decoder support

  1485. - SVQ1 video encoder

  1486. - AMR-WB support

  1487. - PPC optimizations

  1488. - rate distortion optimal cbp support

  1489. - rate distorted optimal ac prediction for MPEG-4

  1490. - rate distorted optimal lambda->qp support

  1491. - AAC encoding with libfaac

  1492. - Sunplus JPEG codec (SP5X) support

  1493. - use Lagrange multiplier instead of QP for ratecontrol

  1494. - Theora/VP3 decoding support

  1495. - XA and ADX ADPCM codecs

  1496. - export MPEG-2 active display area / pan scan

  1497. - Add support for configuring with IBM XLC

  1498. - floating point AAN DCT

  1499. - initial support for zygo video (not complete)

  1500. - RGB ffv1 support

  1501. - new audio/video parser API

  1502. - av_log() system

  1503. - av_read_frame() and av_seek_frame() support

  1504. - missing last frame fixes

  1505. - seek by mouse in ffplay

  1506. - noise reduction of DCT coefficients

  1507. - H.263 OBMC & 4MV support

  1508. - H.263 alternative inter vlc support

  1509. - H.263 loop filter

  1510. - H.263 slice structured mode

  1511. - interlaced DCT support for MPEG-2 encoding

  1512. - stuffing to stay above min_bitrate

  1513. - MB type & QP visualization

  1514. - frame stepping for ffplay

  1515. - interlaced motion estimation

  1516. - alternate scantable support

  1517. - SVCD scan offset support

  1518. - closed GOP support

  1519. - SSE2 FDCT

  1520. - quantizer noise shaping

  1521. - G.726 ADPCM audio codec

  1522. - MS ADPCM encoding

  1523. - multithreaded/SMP motion estimation

  1524. - multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263

  1525. - multithreaded/SMP decoding for MPEG-2

  1526. - FLAC decoder

  1527. - Metrowerks CodeWarrior suppport

  1528. - H.263+ custom pcf support

  1529. - nicer output for 'ffmpeg -formats'

  1530. - Matroska demuxer

  1531. - SGI image format, encoding and decoding

  1532. - H.264 loop filter support

  1533. - H.264 CABAC support

  1534. - nicer looking arrows for the motion vector visualization

  1535. - improved VCD support

  1536. - audio timestamp drift compensation

  1537. - MPEG-2 YUV 422/444 support

  1538. - polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample

  1539. - better image scaling

  1540. - H.261 support

  1541. - correctly interleave packets during encoding

  1542. - VIS optimized motion compensation

  1543. - intra_dc_precision>0 encoding support

  1544. - support reuse of motion vectors/MB types/field select values of the source video

  1545. - more accurate deblock filter

  1546. - padding support

  1547. - many optimizations and bugfixes

  1548. - FunCom ISS audio file demuxer and according ADPCM decoding

  1549. 

  1550. 

  1551. version 0.4.8:

  1552. 

  1553. - MPEG-2 video encoding (Michael)

  1554. - Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)

  1555. - Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson

  1556.   and Mario Brito)

  1557. - Xan DPCM audio decoder (Mario Brito)

  1558. - Interplay MVE playback subsystem (Mike Melanson)

  1559. - Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)

  1560. 

  1561. 

  1562. version 0.4.7:

  1563. 

  1564. - RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from mplayerhq

  1565.   (originally from public domain player for Amiga at http://www.honeypot.net/audio)

  1566. - current version now also compiles with older GCC (Fabrice)

  1567. - 4X multimedia playback system including 4xm file demuxer (Mike

  1568.   Melanson), and 4X video and audio codecs (Michael)

  1569. - Creative YUV (CYUV) decoder (Mike Melanson)

  1570. - FFV1 codec (our very simple lossless intra only codec, compresses much better

  1571.   than HuffYUV) (Michael)

  1572. - ASV1 (Asus), H.264, Intel indeo3 codecs have been added (various)

  1573. - tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with

  1574.   alpha support), JPEG YUV colorspace support. (Fabrice Bellard)

  1575. - ffplay has been replaced with a newer version which uses SDL (optionally)

  1576.   for multiplatform support (Fabrice)

  1577. - Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated

  1578.   by anonymous

  1579. - AMR format has been added (Johannes Carlsson)

  1580. - 3GP support has been added (Johannes Carlsson)

  1581. - VP3 codec has been added (Mike Melanson)

  1582. - more MPEG-1/2 fixes

  1583. - better multiplatform support, MS Visual Studio fixes (various)

  1584. - AltiVec optimizations (Magnus Damn and others)

  1585. - SH4 processor support has been added (BERO)

  1586. - new public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)

  1587. - VOB streaming support (Brian Foley)

  1588. - better MP3 autodetection (Andriy Rysin)

  1589. - qpel encoding (Michael)

  1590. - 4mv+b frames encoding finally fixed (Michael)

  1591. - chroma ME (Michael)

  1592. - 5 comparison functions for ME (Michael)

  1593. - B-frame encoding speedup (Michael)

  1594. - WMV2 codec (unfinished - Michael)

  1595. - user specified diamond size for EPZS (Michael)

  1596. - Playstation STR playback subsystem, still experimental (Mike and Michael)

  1597. - ASV2 codec (Michael)

  1598. - CLJR decoder (Alex)

  1599. 

  1600. .. And lots more new enhancements and fixes.

  1601. 

  1602. 

  1603. version 0.4.6:

  1604. 

  1605. - completely new integer only MPEG audio layer 1/2/3 decoder rewritten

  1606.   from scratch

  1607. - Recoded DCT and motion vector search with gcc (no longer depends on nasm)

  1608. - fix quantization bug in AC3 encoder

  1609. - added PCM codecs and format. Corrected WAV/AVI/ASF PCM issues

  1610. - added prototype ffplay program

  1611. - added GOB header parsing on H.263/H.263+ decoder (Juanjo)

  1612. - bug fix on MCBPC tables of H.263 (Juanjo)

  1613. - bug fix on DC coefficients of H.263 (Juanjo)

  1614. - added Advanced Prediction Mode on H.263/H.263+ decoder (Juanjo)

  1615. - now we can decode H.263 streams found in QuickTime files (Juanjo)

  1616. - now we can decode H.263 streams found in VIVO v1 files(Juanjo)

  1617. - preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)

  1618. - added GOB header for H.263/H.263+ coding on RTP mode (Juanjo)

  1619. - now H.263 picture size is returned on the first decoded frame (Juanjo)

  1620. - added first regression tests

  1621. - added MPEG-2 TS demuxer

  1622. - new demux API for libav

  1623. - more accurate and faster IDCT (Michael)

  1624. - faster and entropy-controlled motion search (Michael)

  1625. - two pass video encoding (Michael)

  1626. - new video rate control (Michael)

  1627. - added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)

  1628. - great performance improvement of video encoders and decoders (Michael)

  1629. - new and faster bit readers and vlc parsers (Michael)

  1630. - high quality encoding mode: tries all macroblock/VLC types (Michael)

  1631. - added DV video decoder

  1632. - preliminary RTP/RTSP support in ffserver and libavformat

  1633. - H.263+ AIC decoding/encoding support (Juanjo)

  1634. - VCD MPEG-PS mode (Juanjo)

  1635. - PSNR stuff (Juanjo)

  1636. - simple stats output (Juanjo)

  1637. - 16-bit and 15-bit RGB/BGR/GBR support (Bisqwit)

  1638. 

  1639. 

  1640. version 0.4.5:

  1641. 

  1642. - some header fixes (Zdenek Kabelac <kabi at informatics.muni.cz>)

  1643. - many MMX optimizations (Nick Kurshev <nickols_k at mail.ru>)

  1644. - added configure system (actually a small shell script)

  1645. - added MPEG audio layer 1/2/3 decoding using LGPL'ed mpglib by

  1646.   Michael Hipp (temporary solution - waiting for integer only

  1647.   decoder)

  1648. - fixed VIDIOCSYNC interrupt

  1649. - added Intel H.263 decoding support ('I263' AVI fourCC)

  1650. - added Real Video 1.0 decoding (needs further testing)

  1651. - simplified image formats again. Added PGM format (=grey

  1652.   pgm). Renamed old PGM to PGMYUV.

  1653. - fixed msmpeg4 slice issues (tell me if you still find problems)

  1654. - fixed OpenDivX bugs with newer versions (added VOL header decoding)

  1655. - added support for MPlayer interface

  1656. - added macroblock skip optimization

  1657. - added MJPEG decoder

  1658. - added mmx/mmxext IDCT from libmpeg2

  1659. - added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer

  1660.   <celer at shell.scrypt.net>)

  1661. - added pixel format conversion layer (e.g. for MJPEG or PPM)

  1662. - added deinterlacing option

  1663. - MPEG-1/2 fixes

  1664. - MPEG-4 vol header fixes (Jonathan Marsden <snmjbm at pacbell.net>)

  1665. - ARM optimizations (Lionel Ulmer <lionel.ulmer at free.fr>).

  1666. - Windows porting of file converter

  1667. - added MJPEG raw format (input/output)

  1668. - added JPEG image format support (input/output)

  1669. 

  1670. 

  1671. version 0.4.4:

  1672. 

  1673. - fixed some std header definitions (Bjorn Lindgren

  1674.   <bjorn.e.lindgren at telia.com>).

  1675. - added MPEG demuxer (MPEG-1 and 2 compatible).

  1676. - added ASF demuxer

  1677. - added prototype RM demuxer

  1678. - added AC3 decoding (done with libac3 by Aaron Holtzman)

  1679. - added decoding codec parameter guessing (.e.g. for MPEG, because the

  1680.   header does not include them)

  1681. - fixed header generation in MPEG-1, AVI and ASF muxer: wmplayer can now

  1682.   play them (only tested video)

  1683. - fixed H.263 white bug

  1684. - fixed phase rounding in img resample filter

  1685. - add MMX code for polyphase img resample filter

  1686. - added CPU autodetection

  1687. - added generic title/author/copyright/comment string handling (ASF and RM

  1688.   use them)

  1689. - added SWF demux to extract MP3 track (not usable yet because no MP3

  1690.   decoder)

  1691. - added fractional frame rate support

  1692. - codecs are no longer searched by read_header() (should fix ffserver

  1693.   segfault)

  1694. 

  1695. 

  1696. version 0.4.3:

  1697. 

  1698. - BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq at amsat.org>)

  1699. - fixed raw yuv output

  1700. - added motion rounding support in MPEG-4

  1701. - fixed motion bug rounding in MSMPEG4

  1702. - added B-frame handling in video core

  1703. - added full MPEG-1 decoding support

  1704. - added partial (frame only) MPEG-2 support

  1705. - changed the FOURCC code for H.263 to "U263" to be able to see the

  1706.   +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with

  1707.   this +codec ;) (JuanJo).

  1708. - Halfpel motion estimation after MB type selection (JuanJo)

  1709. - added pgm and .Y.U.V output format

  1710. - suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or

  1711.   output.

  1712. - added pgmpipe I/O format (original patch from Martin Aumueller

  1713.   <lists at reserv.at>, but changed completely since we use a format

  1714.   instead of a protocol)

  1715. 

  1716. 

  1717. version 0.4.2:

  1718. 

  1719. - added H.263/MPEG-4/MSMPEG4 decoding support. MPEG-4 decoding support

  1720.   (for OpenDivX) is almost complete: 8x8 MVs and rounding are

  1721.   missing. MSMPEG4 support is complete.

  1722. - added prototype MPEG-1 decoder. Only I- and P-frames handled yet (it

  1723.   can decode ffmpeg MPEGs :-)).

  1724. - added libavcodec API documentation (see apiexample.c).

  1725. - fixed image polyphase bug (the bottom of some images could be

  1726.   greenish)

  1727. - added support for non clipped motion vectors (decoding only)

  1728.   and image sizes non-multiple of 16

  1729. - added support for AC prediction (decoding only)

  1730. - added file overwrite confirmation (can be disabled with -y)

  1731. - added custom size picture to H.263 using H.263+ (Juanjo)

  1732. 

  1733. 

  1734. version 0.4.1:

  1735. 

  1736. - added MSMPEG4 (aka DivX) compatible encoder. Changed default codec

  1737.   of AVI and ASF to DIV3.

  1738. - added -me option to set motion estimation method

  1739.   (default=log). suppressed redundant -hq option.

  1740. - added options -acodec and -vcodec to force a given codec (useful for

  1741.   AVI for example)

  1742. - fixed -an option

  1743. - improved dct_quantize speed

  1744. - factorized some motion estimation code

  1745. 

  1746. 

  1747. version 0.4.0:

  1748. 

  1749. - removing grab code from ffserver and moved it to ffmpeg. Added

  1750.   multistream support to ffmpeg.

  1751. - added timeshifting support for live feeds (option ?date=xxx in the

  1752.   URL)

  1753. - added high quality image resize code with polyphase filter (need

  1754.   mmx/see optimization). Enable multiple image size support in ffserver.

  1755. - added multi live feed support in ffserver

  1756. - suppressed master feature from ffserver (it should be done with an

  1757.   external program which opens the .ffm url and writes it to another

  1758.   ffserver)

  1759. - added preliminary support for video stream parsing (WAV and AVI half

  1760.   done). Added proper support for audio/video file conversion in

  1761.   ffmpeg.

  1762. - added preliminary support for video file sending from ffserver

  1763. - redesigning I/O subsystem: now using URL based input and output

  1764.   (see avio.h)

  1765. - added WAV format support

  1766. - added "tty user interface" to ffmpeg to stop grabbing gracefully

  1767. - added MMX/SSE optimizations to SAD (Sums of Absolutes Differences)

  1768.   (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo at atmlab.utfsm.cl>)

  1769. - added MMX DCT from mpeg2_movie 1.5 (Juanjo)

  1770. - added new motion estimation algorithms, log and phods (Juanjo)

  1771. - changed directories: libav for format handling, libavcodec for

  1772.   codecs

  1773. 

  1774. 

  1775. version 0.3.4:

  1776. 

  1777. - added stereo in MPEG audio encoder

  1778. 

  1779. 

  1780. version 0.3.3:

  1781. 

  1782. - added 'high quality' mode which use motion vectors. It can be used in

  1783.   real time at low resolution.

  1784. - fixed rounding problems which caused quality problems at high

  1785.   bitrates and large GOP size

  1786. 

  1787. 

  1788. version 0.3.2: small fixes

  1789. 

  1790. - ASF fixes

  1791. - put_seek bug fix

  1792. 

  1793. 

  1794. version 0.3.1: added avi/divx support

  1795. 

  1796. - added AVI support

  1797. - added MPEG-4 codec compatible with OpenDivX. It is based on the H.263 codec

  1798. - added sound for flash format (not tested)

  1799. 

  1800. 

  1801. version 0.3: initial public release