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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 4.1:

  5. - deblock filter

  6. - tmix filter

  7. - amplify filter

  8. - fftdnoiz filter

  9. - aderivative and aintegral audio filters

  10. - pal75bars and pal100bars video filter sources

  11. - support mbedTLS based TLS

  12. - adeclick filter

  13. - adeclip filter

  14. - libtensorflow backend for DNN based filters like srcnn

  15. - vc1 decoder is now bit-exact

  16. - ATRAC9 decoder

  17. - lensfun wrapper filter

  18. - colorconstancy filter

  19. - AVS2 video decoder via libdavs2

  20. - IMM4 video decoder

  21. - Brooktree ProSumer video decoder

  22. - MatchWare Screen Capture Codec decoder

  23. - WinCam Motion Video decoder

  24. - 1D LUT filter (lut1d)

  25. - RemotelyAnywhere Screen Capture decoder

  26. - cue and acue filters

  27. - support for AV1 in MP4

  28. - transpose_npp filter

  29. - AVS2 video encoder via libxavs2

  30. - amultiply filter

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

  32. - acrossover filter

  33. - ilbc decoder

  34. - audio denoiser as afftdn filter

  35. - AV1 parser

  36. - SER demuxer

  37. - sinc audio filter source

  38. - chromahold filter

  39. - setparams filter

  40. - vibrance filter

  41. - decoding S12M timecode in h264

  42. - xstack filter

  43. - pcm vidc decoder and encoder

  44. - (a)graphmonitor filter

  45. - yadif_cuda filter

  46. 

  47. 

  48. version 4.0:

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

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

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

  52. - VDA dropped (use VideoToolbox instead)

  53. - MagicYUV encoder

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

  55. - TiVo ty/ty+ demuxer

  56. - Intel QSV-accelerated MJPEG encoding

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

  58. - native aptX and aptX HD encoder and decoder

  59. - Raw aptX and aptX HD muxer and demuxer

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

  61. - Intel QSV-accelerated overlay filter

  62. - mcompand audio filter

  63. - acontrast audio filter

  64. - OpenCL overlay filter

  65. - video mix filter

  66. - video normalize filter

  67. - audio lv2 wrapper filter

  68. - VAAPI MJPEG and VP8 decoding

  69. - AMD AMF H.264 and HEVC encoders

  70. - video fillborders filter

  71. - video setrange filter

  72. - nsp demuxer

  73. - support LibreSSL (via libtls)

  74. - AVX-512/ZMM support added

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

  76.   version is Windows Vista.

  77. - deconvolve video filter

  78. - entropy video filter

  79. - hilbert audio filter source

  80. - aiir audio filter

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

  82. - Removed the ffserver program

  83. - Removed the ffmenc and ffmdec muxer and demuxer

  84. - VideoToolbox HEVC encoder and hwaccel

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

  86. - Add android_camera indev

  87. - codec2 en/decoding via libcodec2

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

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

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

  91. - native SBC encoder and decoder

  92. - drmeter audio filter

  93. - hapqa_extract bitstream filter

  94. - filter_units bitstream filter

  95. - AV1 Support through libaom

  96. - E-AC-3 dependent frames support

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

  98. - Haivision SRT protocol via libsrt

  99. - segafilm muxer

  100. - vfrdet filter

  101. - SRCNN filter

  102. 

  103. 

  104. version 3.4:

  105. - deflicker video filter

  106. - doubleweave video filter

  107. - lumakey video filter

  108. - pixscope video filter

  109. - oscilloscope video filter

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

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

  112. - afir audio filter

  113. - scale_cuda CUDA based video scale filter

  114. - librsvg support for svg rasterization

  115. - crossfeed audio filter

  116. - spec compliant VP9 muxing support in MP4

  117. - remove the libnut muxer/demuxer wrappers

  118. - remove the libschroedinger encoder/decoder wrappers

  119. - surround audio filter

  120. - sofalizer filter switched to libmysofa

  121. - Gremlin Digital Video demuxer and decoder

  122. - headphone audio filter

  123. - superequalizer audio filter

  124. - roberts video filter

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

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

  127. - additional frame format support for Interplay MVE movies

  128. - support for decoding through D3D11VA in ffmpeg

  129. - limiter video filter

  130. - libvmaf video filter

  131. - Dolby E decoder and SMPTE 337M demuxer

  132. - unpremultiply video filter

  133. - tlut2 video filter

  134. - floodfill video filter

  135. - pseudocolor video filter

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

  137. - NewTek NDI input/output device

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

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

  140.   They must always be used by name.

  141. - FITS demuxer and decoder

  142. - FITS muxer and encoder

  143. - add --disable-autodetect build switch

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

  145. - despill video filter

  146. - haas audio filter

  147. - SUP/PGS subtitle muxer

  148. - convolve video filter

  149. - VP9 tile threading support

  150. - KMS screen grabber

  151. - CUDA thumbnail filter

  152. - V4L2 mem2mem HW assisted codecs

  153. - Rockchip MPP hardware decoding

  154. - vmafmotion video filter

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

  156. 

  157. 

  158. version 3.3:

  159. - CrystalHD decoder moved to new decode API

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

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

  162. - premultiply video filter

  163. - Support for spherical videos

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

  165. - PSD Decoder

  166. - 16.8 floating point pcm decoder

  167. - 24.0 floating point pcm decoder

  168. - Apple Pixlet decoder

  169. - QDMC audio decoder

  170. - NewTek SpeedHQ decoder

  171. - MIDI Sample Dump Standard demuxer

  172. - readeia608 filter

  173. - Sample Dump eXchange demuxer

  174. - abitscope multimedia filter

  175. - Scenarist Closed Captions demuxer and muxer

  176. - threshold filter

  177. - midequalizer filter

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

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

  180. - FM Screen Capture Codec decoder

  181. - native Opus encoder

  182. - ScreenPressor decoder

  183. - incomplete ClearVideo decoder

  184. - Intel QSV video scaling and deinterlacing filters

  185. - Support MOV with multiple sample description tables

  186. - XPM decoder

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

  188. - MPEG-7 Video Signature filter

  189. - Removed asyncts filter (use af_aresample instead)

  190. - Intel QSV-accelerated VP8 video decoding

  191. - VAAPI-accelerated deinterlacing

  192. 

  193. 

  194. version 3.2:

  195. - libopenmpt demuxer

  196. - tee protocol

  197. - Changed metadata print option to accept general urls

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

  199. - VP8 in Ogg muxing

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

  201. - 16-bit support in curves filter and selectivecolor filter

  202. - OpenH264 decoder wrapper

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

  204. - True Audio (TTA) muxer

  205. - crystalizer audio filter

  206. - acrusher audio filter

  207. - bitplanenoise video filter

  208. - floating point support in als decoder

  209. - fifo muxer

  210. - maskedclamp filter

  211. - hysteresis filter

  212. - lut2 filter

  213. - yuvtestsrc filter

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

  215. - vaguedenoiser filter

  216. - added threads option per filter instance

  217. - weave filter

  218. - gblur filter

  219. - avgblur filter

  220. - sobel and prewitt filter

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

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

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

  224. - sdl2 output device and ffplay support

  225. - sdl1 output device and sdl1 support removed

  226. - extended mov edit list support

  227. - libfaac encoder removed

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

  229. - sidedata video and asidedata audio filter

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

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

  232. 

  233. 

  234. version 3.1:

  235. - DXVA2-accelerated HEVC Main10 decoding

  236. - fieldhint filter

  237. - loop video filter and aloop audio filter

  238. - Bob Weaver deinterlacing filter

  239. - firequalizer filter

  240. - datascope filter

  241. - bench and abench filters

  242. - ciescope filter

  243. - protocol blacklisting API

  244. - MediaCodec H264 decoding

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

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

  247. - AudioToolbox audio decoders

  248. - AudioToolbox audio encoders

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

  250. - libdcadec removed

  251. - bitstream filter for extracting DTS core

  252. - ADPCM IMA DAT4 decoder

  253. - musx demuxer

  254. - aix demuxer

  255. - remap filter

  256. - hash and framehash muxers

  257. - colorspace filter

  258. - hdcd filter

  259. - readvitc filter

  260. - VAAPI-accelerated format conversion and scaling

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

  262. - Duck TrueMotion 2.0 Real Time decoder

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

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

  265. - DTS Express (LBR) decoder

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

  267. - IFF ANIM demuxer & decoder

  268. - Direct Stream Transfer (DST) decoder

  269. - loudnorm filter

  270. - MTAF demuxer and decoder

  271. - MagicYUV decoder

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

  273. - BitJazz SheerVideo decoder

  274. - CUDA CUVID H264/HEVC decoder

  275. - 10-bit depth support in native utvideo decoder

  276. - libutvideo wrapper removed

  277. - YUY2 Lossless Codec decoder

  278. - VideoToolbox H.264 encoder

  279. 

  280. 

  281. version 3.0:

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

  283. - DXV decoding

  284. - extrastereo filter

  285. - ocr filter

  286. - alimiter filter

  287. - stereowiden filter

  288. - stereotools filter

  289. - rubberband filter

  290. - tremolo filter

  291. - agate filter

  292. - chromakey filter

  293. - maskedmerge filter

  294. - Screenpresso SPV1 decoding

  295. - chromaprint fingerprinting muxer

  296. - ffplay dynamic volume control

  297. - displace filter

  298. - selectivecolor filter

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

  300. - ADPCM PSX decoder

  301. - 3dostr, dcstr, fsb, genh, vag, xvag, ads, msf, svag & vpk demuxer

  302. - zscale filter

  303. - wve demuxer

  304. - zero-copy Intel QSV transcoding in ffmpeg

  305. - shuffleframes filter

  306. - SDX2 DPCM decoder

  307. - vibrato filter

  308. - innoHeim/Rsupport Screen Capture Codec decoder

  309. - ADPCM AICA decoder

  310. - Interplay ACM demuxer and audio decoder

  311. - XMA1 & XMA2 decoder

  312. - realtime filter

  313. - anoisesrc audio filter source

  314. - IVR demuxer

  315. - compensationdelay filter

  316. - acompressor filter

  317. - support encoding 16-bit RLE SGI images

  318. - apulsator filter

  319. - sidechaingate audio filter

  320. - mipsdspr1 option has been renamed to mipsdsp

  321. - aemphasis filter

  322. - mips32r5 option has been removed

  323. - mips64r6 option has been removed

  324. - DXVA2-accelerated VP9 decoding

  325. - SOFAlizer: virtual binaural acoustics filter

  326. - VAAPI VP9 hwaccel

  327. - audio high-order multiband parametric equalizer

  328. - automatic bitstream filtering

  329. - showspectrumpic filter

  330. - libstagefright support removed

  331. - spectrumsynth filter

  332. - ahistogram filter

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

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

  335. - afftfilt filter

  336. - convolution filter

  337. - libquvi support removed

  338. - support for dvaudio in wav and avi

  339. - libaacplus and libvo-aacenc support removed

  340. - Cineform HD decoder

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

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

  343. - nnedi deinterlacer

  344. - streamselect video and astreamselect audio filter

  345. - swaprect filter

  346. - metadata video and ametadata audio filter

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

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

  349. 

  350. 

  351. version 2.8:

  352. - colorkey video filter

  353. - BFSTM/BCSTM demuxer

  354. - little-endian ADPCM_THP decoder

  355. - Hap decoder and encoder

  356. - DirectDraw Surface image/texture decoder

  357. - ssim filter

  358. - optional new ASF demuxer

  359. - showvolume filter

  360. - Many improvements to the JPEG 2000 decoder

  361. - Go2Meeting decoding support

  362. - adrawgraph audio and drawgraph video filter

  363. - removegrain video filter

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

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

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

  367. - libkvazaar HEVC encoder

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

  369. - Dynamic Audio Normalizer as dynaudnorm filter

  370. - Reverse video and areverse audio filter

  371. - Random filter

  372. - deband filter

  373. - AAC fixed-point decoding

  374. - sidechaincompress audio filter

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

  376. - acrossfade audio filter

  377. - allyuv and allrgb video sources

  378. - atadenoise video filter

  379. - OS X VideoToolbox support

  380. - aphasemeter filter

  381. - showfreqs filter

  382. - vectorscope filter

  383. - waveform filter

  384. - hstack and vstack filter

  385. - Support DNx100 (1440x1080@8)

  386. - VAAPI hevc hwaccel

  387. - VDPAU hevc hwaccel

  388. - framerate filter

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

  390. - Removed experimental flag from the JPEG 2000 encoder

  391. 

  392. 

  393. version 2.7:

  394. - FFT video filter

  395. - TDSC decoder

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

  397. - showwavespic filter

  398. - DTS decoding through libdcadec

  399. - Drop support for nvenc API before 5.0

  400. - nvenc HEVC encoder

  401. - Detelecine filter

  402. - Intel QSV-accelerated H.264 encoding

  403. - MMAL-accelerated H.264 decoding

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

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

  406. - WebM Live Chunk Muxer

  407. - nvenc level and tier options

  408. - chorus filter

  409. - Canopus HQ/HQA decoder

  410. - Automatically rotate videos based on metadata in ffmpeg

  411. - improved Quickdraw compatibility

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

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

  414. - Direct3D11-accelerated decoding

  415. - Support Secure Transport

  416. - Multipart JPEG demuxer

  417. 

  418. 

  419. version 2.6:

  420. - nvenc encoder

  421. - 10bit spp filter

  422. - colorlevels filter

  423. - RIFX format for *.wav files

  424. - RTP/mpegts muxer

  425. - non continuous cache protocol support

  426. - tblend filter

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

  428. - Camellia symmetric block cipher

  429. - OpenH264 encoder wrapper

  430. - VOC seeking support

  431. - Closed caption Decoder

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

  433. - showpalette filter

  434. - Twofish symmetric block cipher

  435. - Support DNx100 (960x720@8)

  436. - eq2 filter ported from libmpcodecs as eq filter

  437. - removed libmpcodecs

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

  439. - ported softpulldown filter from libmpcodecs as repeatfields filter

  440. - dcshift filter

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

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

  443. - palettegen and paletteuse filters

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

  445. - RTP depacketizer for DV (RFC 6469)

  446. - DXVA2-accelerated HEVC decoding

  447. - AAC ELD 480 decoding

  448. - Intel QSV-accelerated H.264 decoding

  449. - DSS SP decoder and DSS demuxer

  450. - Fix stsd atom corruption in DNxHD QuickTimes

  451. - Canopus HQX decoder

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

  453. - Port MIPS optimizations to 64-bit

  454. 

  455. 

  456. version 2.5:

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

  458. - SUP/PGS subtitle demuxer

  459. - ffprobe -show_pixel_formats option

  460. - CAST128 symmetric block cipher, ECB mode

  461. - STL subtitle demuxer and decoder

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

  463. - XCB-based screen-grabber

  464. - UDP-Lite support (RFC 3828)

  465. - xBR scaling filter

  466. - AVFoundation screen capturing support

  467. - ffserver supports codec private options

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

  469. - WebP muxer with animated WebP support

  470. - zygoaudio decoding support

  471. - APNG demuxer

  472. - postproc visualization support

  473. 

  474. 

  475. version 2.4:

  476. - Icecast protocol

  477. - ported lenscorrection filter from frei0r filter

  478. - large optimizations in dctdnoiz to make it usable

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

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

  481. - LZMA compression support in TIFF decoder

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

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

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

  485. - Matroska 3D support thorugh side data

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

  487. - silenceremove filter

  488. 

  489. 

  490. version 2.3:

  491. - AC3 fixed-point decoding

  492. - shuffleplanes filter

  493. - subfile protocol

  494. - Phantom Cine demuxer

  495. - replaygain data export

  496. - VP7 video decoder

  497. - Alias PIX image encoder and decoder

  498. - Improvements to the BRender PIX image decoder

  499. - Improvements to the XBM decoder

  500. - QTKit input device

  501. - improvements to OpenEXR image decoder

  502. - support decoding 16-bit RLE SGI images

  503. - GDI screen grabbing for Windows

  504. - alternative rendition support for HTTP Live Streaming

  505. - AVFoundation input device

  506. - Direct Stream Digital (DSD) decoder

  507. - Magic Lantern Video (MLV) demuxer

  508. - On2 AVC (Audio for Video) decoder

  509. - support for decoding through DXVA2 in ffmpeg

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

  511. - libx264 reference frames count limiting depending on level

  512. - native Opus decoder

  513. - display matrix export and rotation API

  514. - WebVTT encoder

  515. - showcqt multimedia filter

  516. - zoompan filter

  517. - signalstats filter

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

  519. - flanger filter

  520. - Image format auto-detection

  521. - LRC demuxer and muxer

  522. - Samba protocol (via libsmbclient)

  523. - WebM DASH Manifest muxer

  524. - libfribidi support in drawtext

  525. 

  526. 

  527. version 2.2:

  528. 

  529. - HNM version 4 demuxer and video decoder

  530. - Live HDS muxer

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

  532. - elbg filter

  533. - string validation in ffprobe

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

  535. - complete Voxware MetaSound decoder

  536. - remove mp3_header_compress bitstream filter

  537. - Windows resource files for shared libraries

  538. - aeval filter

  539. - stereoscopic 3d metadata handling

  540. - WebP encoding via libwebp

  541. - ATRAC3+ decoder

  542. - VP8 in Ogg demuxing

  543. - side & metadata support in NUT

  544. - framepack filter

  545. - XYZ12 rawvideo support in NUT

  546. - Exif metadata support in WebP decoder

  547. - OpenGL device

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

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

  550. - Mirillis FIC video decoder

  551. - Support DNx444

  552. - libx265 encoder

  553. - dejudder filter

  554. - Autodetect VDA like all other hardware accelerations

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

  556. 

  557. 

  558. version 2.1:

  559. 

  560. - aecho filter

  561. - perspective filter ported from libmpcodecs

  562. - ffprobe -show_programs option

  563. - compand filter

  564. - RTMP seek support

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

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

  567.   the -noaccurate_seek option.

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

  569.   data read from an input file

  570. - incomplete Voxware MetaSound decoder

  571. - read EXIF metadata from JPEG

  572. - DVB teletext decoder

  573. - phase filter ported from libmpcodecs

  574. - w3fdif filter

  575. - Opus support in Matroska

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

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

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

  579.   more consistent with other muxers.

  580. - adelay filter

  581. - pullup filter ported from libmpcodecs

  582. - ffprobe -read_intervals option

  583. - Lossless and alpha support for WebP decoder

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

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

  586. - mux chapters in ASF files

  587. - SFTP protocol (via libssh)

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

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

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

  591.   the skip_alpha flag.

  592. - ladspa wrapper filter

  593. - native VP9 decoder

  594. - dpx parser

  595. - max_error_rate parameter in ffmpeg

  596. - PulseAudio output device

  597. - ReplayGain scanner

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

  599. - Linux framebuffer output device

  600. - HEVC decoder

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

  602. - mergeplanes filter

  603. 

  604. 

  605. version 2.0:

  606. 

  607. - curves filter

  608. - reference-counting for AVFrame and AVPacket data

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

  610.   or vice versa

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

  612. - perms and aperms filters

  613. - audio filtering support in ffplay

  614. - 10% faster aac encoding on x86 and MIPS

  615. - sine audio filter source

  616. - WebP demuxing and decoding support

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

  618.   filtergraph description to be read from a file

  619. - OpenCL support

  620. - audio phaser filter

  621. - separatefields filter

  622. - libquvi demuxer

  623. - uniform options syntax across all filters

  624. - telecine filter

  625. - interlace filter

  626. - smptehdbars source

  627. - inverse telecine filters (fieldmatch and decimate)

  628. - colorbalance filter

  629. - colorchannelmixer filter

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

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

  632. - decent native animated GIF encoding

  633. - asetrate filter

  634. - interleave filter

  635. - timeline editing with filters

  636. - vidstabdetect and vidstabtransform filters for video stabilization using

  637.   the vid.stab library

  638. - astats filter

  639. - trim and atrim filters

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

  641.   transcoding audio

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

  643. - extractplanes filter

  644. - avectorscope filter

  645. - ADPCM DTK decoder

  646. - ADP demuxer

  647. - RSD demuxer

  648. - RedSpark demuxer

  649. - ADPCM IMA Radical decoder

  650. - zmq filters

  651. - DCT denoiser filter (dctdnoiz)

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

  653. - Apple Intermediate Codec decoder

  654. - Escape 130 video decoder

  655. - FTP protocol support

  656. - V4L2 output device

  657. - 3D LUT filter (lut3d)

  658. - SMPTE 302M audio encoder

  659. - support for slice multithreading in libavfilter

  660. - Hald CLUT support (generation and filtering)

  661. - VC-1 interlaced B-frame support

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

  663. - XVideo output device

  664. - vignette filter

  665. - True Audio (TTA) encoder

  666. - Go2Webinar decoder

  667. - mcdeint filter ported from libmpcodecs

  668. - sab filter ported from libmpcodecs

  669. - ffprobe -show_chapters option

  670. - WavPack encoding through libwavpack

  671. - rotate filter

  672. - spp filter ported from libmpcodecs

  673. - libgme support

  674. - psnr filter

  675. 

  676. 

  677. version 1.2:

  678. 

  679. - VDPAU hardware acceleration through normal hwaccel

  680. - SRTP support

  681. - Error diffusion dither in Swscale

  682. - Chained Ogg support

  683. - Theora Midstream reconfiguration support

  684. - EVRC decoder

  685. - audio fade filter

  686. - filtering audio with unknown channel layout

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

  688.   and treble audio filter

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

  690. - histogram filter

  691. - tee muxer

  692. - il filter ported from libmpcodecs

  693. - support ID3v2 tags in ASF files

  694. - encrypted TTA stream decoding support

  695. - RF64 support in WAV muxer

  696. - noise filter ported from libmpcodecs

  697. - Subtitles character encoding conversion

  698. - blend filter

  699. - stereo3d filter ported from libmpcodecs

  700. 

  701. 

  702. version 1.1:

  703. 

  704. - stream disposition information printing in ffprobe

  705. - filter for loudness analysis following EBU R128

  706. - Opus encoder using libopus

  707. - ffprobe -select_streams option

  708. - Pinnacle TARGA CineWave YUV16 decoder

  709. - TAK demuxer, decoder and parser

  710. - DTS-HD demuxer

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

  712. - FFM2 support

  713. - X-Face image encoder and decoder

  714. - 24-bit FLAC encoding

  715. - multi-channel ALAC encoding up to 7.1

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

  717. - subtitles raw text decoder

  718. - support for building DLLs using MSVC

  719. - LVF demuxer

  720. - ffescape tool

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

  722. - field filter ported from libmpcodecs

  723. - AVR demuxer

  724. - geq filter ported from libmpcodecs

  725. - remove ffserver daemon mode

  726. - AST muxer/demuxer

  727. - new expansion syntax for drawtext

  728. - BRender PIX image decoder

  729. - ffprobe -show_entries option

  730. - ffprobe -sections option

  731. - ADPCM IMA Dialogic decoder

  732. - BRSTM demuxer

  733. - animated GIF decoder and demuxer

  734. - PVF demuxer

  735. - subtitles filter

  736. - IRCAM muxer/demuxer

  737. - Paris Audio File demuxer

  738. - Virtual concatenation demuxer

  739. - VobSub demuxer

  740. - JSON captions for TED talks decoding support

  741. - SOX Resampler support in libswresample

  742. - aselect filter

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

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

  745. - Silicon Graphics Movie demuxer

  746. - apad filter

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

  748. - documentation split into per-component manuals

  749. - pp (postproc) filter ported from MPlayer

  750. - NIST Sphere demuxer

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

  752. - Sony Wave64 muxer

  753. - adobe and limelight publisher authentication in RTMP

  754. - data: URI scheme

  755. - support building on the Plan 9 operating system

  756. - kerndeint filter ported from MPlayer

  757. - histeq filter ported from VirtualDub

  758. - Megalux Frame demuxer

  759. - 012v decoder

  760. - Improved AVC Intra decoding support

  761. 

  762. 

  763. version 1.0:

  764. 

  765. - INI and flat output in ffprobe

  766. - Scene detection in libavfilter

  767. - Indeo Audio decoder

  768. - channelsplit audio filter

  769. - setnsamples audio filter

  770. - atempo filter

  771. - ffprobe -show_data option

  772. - RTMPT protocol support

  773. - iLBC encoding/decoding via libilbc

  774. - Microsoft Screen 1 decoder

  775. - join audio filter

  776. - audio channel mapping filter

  777. - Microsoft ATC Screen decoder

  778. - RTSP listen mode

  779. - TechSmith Screen Codec 2 decoder

  780. - AAC encoding via libfdk-aac

  781. - Microsoft Expression Encoder Screen decoder

  782. - RTMPS protocol support

  783. - RTMPTS protocol support

  784. - RTMPE protocol support

  785. - RTMPTE protocol support

  786. - showwaves and showspectrum filter

  787. - LucasArts SMUSH SANM playback support

  788. - LucasArts SMUSH VIMA audio decoder (ADPCM)

  789. - LucasArts SMUSH demuxer

  790. - SAMI, RealText and SubViewer demuxers and decoders

  791. - Heart Of Darkness PAF playback support

  792. - iec61883 device

  793. - asettb filter

  794. - new option: -progress

  795. - 3GPP Timed Text encoder/decoder

  796. - GeoTIFF decoder support

  797. - ffmpeg -(no)stdin option

  798. - Opus decoder using libopus

  799. - caca output device using libcaca

  800. - alphaextract and alphamerge filters

  801. - concat filter

  802. - flite filter

  803. - Canopus Lossless Codec decoder

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

  805. - MP2 encoding via TwoLAME

  806. - bmp parser

  807. - smptebars source

  808. - asetpts filter

  809. - hue filter

  810. - ICO muxer

  811. - SubRip encoder and decoder without embedded timing

  812. - edge detection filter

  813. - framestep filter

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

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

  816. - volume measurement filter

  817. - Ut Video encoder

  818. - Microsoft Screen 2 decoder

  819. - smartblur filter ported from MPlayer

  820. - CPiA decoder

  821. - decimate filter ported from MPlayer

  822. - RTP depacketization of JPEG

  823. - Smooth Streaming live segmenter muxer

  824. - F4V muxer

  825. - sendcmd and asendcmd filters

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

  827. - RTP packetization of JPEG

  828. - faststart option in the MOV/MP4 muxer

  829. - support for building with MSVC

  830. 

  831. 

  832. version 0.11:

  833. 

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

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

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

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

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

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

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

  841. - setfield filter

  842. - CDXL demuxer and decoder

  843. - Apple ProRes encoder

  844. - ffprobe -count_packets and -count_frames options

  845. - Sun Rasterfile Encoder

  846. - ID3v2 attached pictures reading and writing

  847. - WMA Lossless decoder

  848. - bluray protocol

  849. - blackdetect filter

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

  851. - swapuv filter

  852. - bbox filter

  853. - XBM encoder and decoder

  854. - RealAudio Lossless decoder

  855. - ZeroCodec decoder

  856. - tile video filter

  857. - Metal Gear Solid: The Twin Snakes demuxer

  858. - OpenEXR image decoder

  859. - removelogo filter

  860. - drop support for ffmpeg without libavfilter

  861. - drawtext video filter: fontconfig support

  862. - ffmpeg -benchmark_all option

  863. - super2xsai filter ported from libmpcodecs

  864. - add libavresample audio conversion library for compatibility

  865. - MicroDVD decoder

  866. - Avid Meridien (AVUI) encoder and decoder

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

  868. - complete audio filtering in libavfilter and ffmpeg

  869. - add fps filter

  870. - vorbis parser

  871. - png parser

  872. - audio mix filter

  873. - ffv1: support (draft) version 1.3

  874. 

  875. 

  876. version 0.10:

  877. 

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

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

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

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

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

  883. - SBaGen (SBG) binaural beats script demuxer

  884. - OpenMG Audio muxer

  885. - Timecode extraction in DV and MOV

  886. - thumbnail video filter

  887. - XML output in ffprobe

  888. - asplit audio filter

  889. - tinterlace video filter

  890. - astreamsync audio filter

  891. - amerge audio filter

  892. - ISMV (Smooth Streaming) muxer

  893. - GSM audio parser

  894. - SMJPEG muxer

  895. - XWD encoder and decoder

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

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

  898. - ffprobe -show_error option

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

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

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

  902. - ffprobe -show_frames option

  903. - silencedetect audio filter

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

  905. - rv34: frame-level multi-threading

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

  907. - Improved PGS subtitle decoder

  908. - dumpgraph option to lavfi device

  909. - r210 and r10k encoders

  910. - ffwavesynth decoder

  911. - aviocat tool

  912. - ffeval tool

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

  914. 

  915. 

  916. version 0.9:

  917. 

  918. - openal input device added

  919. - boxblur filter added

  920. - BWF muxer

  921. - Flash Screen Video 2 decoder

  922. - lavfi input device added

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

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

  925. easier to use. The changes are:

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

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

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

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

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

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

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

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

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

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

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

  937.       specifiers section in the avconv manual for details.

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

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

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

  941.       apply to the next input or output file.

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

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

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

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

  946.       each stream in the first input file.

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

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

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

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

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

  952.           output stream from the third input audio stream.

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

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

  955.           subtitle streams in the first input file.

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

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

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

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

  960.           stream'.

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

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

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

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

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

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

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

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

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

  970.       syntax is deprecated and will stop working soon.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  986.       scale parameter.

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

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

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

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

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

  992. - XMV demuxer

  993. - LOAS demuxer

  994. - ashowinfo filter added

  995. - Windows Media Image decoder

  996. - amovie source added

  997. - LATM muxer/demuxer

  998. - Speex encoder via libspeex

  999. - JSON output in ffprobe

  1000. - WTV muxer

  1001. - Optional C++ Support (needed for libstagefright)

  1002. - H.264 Decoding on Android via Stagefright

  1003. - Prores decoder

  1004. - BIN/XBIN/ADF/IDF text file decoder

  1005. - aconvert audio filter added

  1006. - audio support to lavfi input device added

  1007. - libcdio-paranoia input device for audio CD grabbing

  1008. - Apple ProRes decoder

  1009. - CELT in Ogg demuxing

  1010. - G.723.1 demuxer and decoder

  1011. - libmodplug support (--enable-libmodplug)

  1012. - VC-1 interlaced decoding

  1013. - libutvideo wrapper (--enable-libutvideo)

  1014. - aevalsrc audio source added

  1015. - Ut Video decoder

  1016. - Speex encoding via libspeex

  1017. - 4:2:2 H.264 decoding support

  1018. - 4:2:2 and 4:4:4 H.264 encoding with libx264

  1019. - Pulseaudio input device

  1020. - Prores encoder

  1021. - Video Decoder Acceleration (VDA) HWAccel module.

  1022. - replacement Indeo 3 decoder

  1023. - new ffmpeg option: -map_channel

  1024. - volume audio filter added

  1025. - earwax audio filter added

  1026. - libv4l2 support (--enable-libv4l2)

  1027. - TLS/SSL and HTTPS protocol support

  1028. - AVOptions API rewritten and documented

  1029. - most of CODEC_FLAG2_*, some CODEC_FLAG_* and many codec-specific fields in

  1030.   AVCodecContext deprecated. Codec private options should be used instead.

  1031. - Properly working defaults in libx264 wrapper, support for native presets.

  1032. - Encrypted OMA files support

  1033. - Discworld II BMV decoding support

  1034. - VBLE Decoder

  1035. - OS X Video Decoder Acceleration (VDA) support

  1036. - compact and csv output in ffprobe

  1037. - pan audio filter

  1038. - IFF Amiga Continuous Bitmap (ACBM) decoder

  1039. - ass filter

  1040. - CRI ADX audio format muxer and demuxer

  1041. - Playstation Portable PMP format demuxer

  1042. - Microsoft Windows ICO demuxer

  1043. - life source

  1044. - PCM format support in OMA demuxer

  1045. - CLJR encoder

  1046. - new option: -report

  1047. - Dxtory capture format decoder

  1048. - cellauto source

  1049. - Simple segmenting muxer

  1050. - Indeo 4 decoder

  1051. - SMJPEG demuxer

  1052. 

  1053. 

  1054. version 0.8:

  1055. 

  1056. - many many things we forgot because we rather write code than changelogs

  1057. - WebM support in Matroska de/muxer

  1058. - low overhead Ogg muxing

  1059. - MMS-TCP support

  1060. - VP8 de/encoding via libvpx

  1061. - Demuxer for On2's IVF format

  1062. - Pictor/PC Paint decoder

  1063. - HE-AAC v2 decoder

  1064. - HE-AAC v2 encoding with libaacplus

  1065. - libfaad2 wrapper removed

  1066. - DTS-ES extension (XCh) decoding support

  1067. - native VP8 decoder

  1068. - RTSP tunneling over HTTP

  1069. - RTP depacketization of SVQ3

  1070. - -strict inofficial replaced by -strict unofficial

  1071. - ffplay -exitonkeydown and -exitonmousedown options added

  1072. - native GSM / GSM MS decoder

  1073. - RTP depacketization of QDM2

  1074. - ANSI/ASCII art playback system

  1075. - Lego Mindstorms RSO de/muxer

  1076. - libavcore added (and subsequently removed)

  1077. - SubRip subtitle file muxer and demuxer

  1078. - Chinese AVS encoding via libxavs

  1079. - ffprobe -show_packets option added

  1080. - RTP packetization of Theora and Vorbis

  1081. - RTP depacketization of MP4A-LATM

  1082. - RTP packetization and depacketization of VP8

  1083. - hflip filter

  1084. - Apple HTTP Live Streaming demuxer

  1085. - a64 codec

  1086. - MMS-HTTP support

  1087. - G.722 ADPCM audio encoder/decoder

  1088. - R10k video decoder

  1089. - ocv_smooth filter

  1090. - frei0r wrapper filter

  1091. - change crop filter syntax to width:height:x:y

  1092. - make the crop filter accept parametric expressions

  1093. - make ffprobe accept AVFormatContext options

  1094. - yadif filter

  1095. - blackframe filter

  1096. - Demuxer for Leitch/Harris' VR native stream format (LXF)

  1097. - RTP depacketization of the X-QT QuickTime format

  1098. - SAP (Session Announcement Protocol, RFC 2974) muxer and demuxer

  1099. - cropdetect filter

  1100. - ffmpeg -crop* options removed

  1101. - transpose filter added

  1102. - ffmpeg -force_key_frames option added

  1103. - demuxer for receiving raw rtp:// URLs without an SDP description

  1104. - single stream LATM/LOAS decoder

  1105. - setpts filter added

  1106. - Win64 support for optimized x86 assembly functions

  1107. - MJPEG/AVI1 to JPEG/JFIF bitstream filter

  1108. - ASS subtitle encoder and decoder

  1109. - IEC 61937 encapsulation for E-AC-3, TrueHD, DTS-HD (for HDMI passthrough)

  1110. - overlay filter added

  1111. - rename aspect filter to setdar, and pixelaspect to setsar

  1112. - IEC 61937 demuxer

  1113. - Mobotix .mxg demuxer

  1114. - frei0r source added

  1115. - hqdn3d filter added

  1116. - RTP depacketization of QCELP

  1117. - FLAC parser added

  1118. - gradfun filter added

  1119. - AMR-WB decoder

  1120. - replace the ocv_smooth filter with a more generic ocv filter

  1121. - Windows Televison (WTV) demuxer

  1122. - FFmpeg metadata format muxer and demuxer

  1123. - SubRip (srt) subtitle encoder and decoder

  1124. - floating-point AC-3 encoder added

  1125. - Lagarith decoder

  1126. - ffmpeg -copytb option added

  1127. - IVF muxer added

  1128. - Wing Commander IV movies decoder added

  1129. - movie source added

  1130. - Bink version 'b' audio and video decoder

  1131. - Bitmap Brothers JV playback system

  1132. - Apple HTTP Live Streaming protocol handler

  1133. - sndio support for playback and record

  1134. - Linux framebuffer input device added

  1135. - Chronomaster DFA decoder

  1136. - DPX image encoder

  1137. - MicroDVD subtitle file muxer and demuxer

  1138. - Playstation Portable PMP format demuxer

  1139. - fieldorder video filter added

  1140. - AAC encoding via libvo-aacenc

  1141. - AMR-WB encoding via libvo-amrwbenc

  1142. - xWMA demuxer

  1143. - Mobotix MxPEG decoder

  1144. - VP8 frame-multithreading

  1145. - NEON optimizations for VP8

  1146. - Lots of deprecated API cruft removed

  1147. - fft and imdct optimizations for AVX (Sandy Bridge) processors

  1148. - showinfo filter added

  1149. - SMPTE 302M AES3 audio decoder

  1150. - Apple Core Audio Format muxer

  1151. - 9 bits and 10 bits per sample support in the H.264 decoder

  1152. - 9 bits and 10 bits FFV1 encoding / decoding

  1153. - split filter added

  1154. - select filter added

  1155. - sdl output device added

  1156. - libmpcodecs video filter support (3 times as many filters than before)

  1157. - mpeg2 aspect ratio dection fixed

  1158. - libxvid aspect pickiness fixed

  1159. - Frame multithreaded decoding

  1160. - E-AC-3 audio encoder

  1161. - ac3enc: add channel coupling support

  1162. - floating-point sample format support to the ac3, eac3, dca, aac, and vorbis decoders.

  1163. - H264/MPEG frame-level multi-threading

  1164. - All av_metadata_* functions renamed to av_dict_* and moved to libavutil

  1165. - 4:4:4 H.264 decoding support

  1166. - 10-bit H.264 optimizations for x86

  1167. - lut, lutrgb, and lutyuv filters added

  1168. - buffersink libavfilter sink added

  1169. - Bump libswscale for recently reported ABI break

  1170. - New J2K encoder (via OpenJPEG)

  1171. 

  1172. 

  1173. version 0.7:

  1174. 

  1175. - all the changes for 0.8, but keeping API/ABI compatibility with the 0.6 release

  1176. 

  1177. 

  1178. version 0.6:

  1179. 

  1180. - PB-frame decoding for H.263

  1181. - deprecated vhook subsystem removed

  1182. - deprecated old scaler removed

  1183. - VQF demuxer

  1184. - Alpha channel scaler

  1185. - PCX encoder

  1186. - RTP packetization of H.263

  1187. - RTP packetization of AMR

  1188. - RTP depacketization of Vorbis

  1189. - CorePNG decoding support

  1190. - Cook multichannel decoding support

  1191. - introduced avlanguage helpers in libavformat

  1192. - 8088flex TMV demuxer and decoder

  1193. - per-stream language-tags extraction in asfdec

  1194. - V210 decoder and encoder

  1195. - remaining GPL parts in AC-3 decoder converted to LGPL

  1196. - QCP demuxer

  1197. - SoX native format muxer and demuxer

  1198. - AMR-NB decoding/encoding, AMR-WB decoding via OpenCORE libraries

  1199. - DPX image decoder

  1200. - Electronic Arts Madcow decoder

  1201. - DivX (XSUB) subtitle encoder

  1202. - nonfree libamr support for AMR-NB/WB decoding/encoding removed

  1203. - experimental AAC encoder

  1204. - RTP depacketization of ASF and RTSP from WMS servers

  1205. - RTMP support in libavformat

  1206. - noX handling for OPT_BOOL X options

  1207. - Wave64 demuxer

  1208. - IEC-61937 compatible Muxer

  1209. - TwinVQ decoder

  1210. - Bluray (PGS) subtitle decoder

  1211. - LPCM support in MPEG-TS (HDMV RID as found on Blu-ray disks)

  1212. - WMA Pro decoder

  1213. - Core Audio Format demuxer

  1214. - ATRAC1 decoder

  1215. - MD STUDIO audio demuxer

  1216. - RF64 support in WAV demuxer

  1217. - MPEG-4 Audio Lossless Coding (ALS) decoder

  1218. - -formats option split into -formats, -codecs, -bsfs, and -protocols

  1219. - IV8 demuxer

  1220. - CDG demuxer and decoder

  1221. - R210 decoder

  1222. - Auravision Aura 1 and 2 decoders

  1223. - Deluxe Paint Animation playback system

  1224. - SIPR decoder

  1225. - Adobe Filmstrip muxer and demuxer

  1226. - RTP depacketization of H.263

  1227. - Bink demuxer and audio/video decoders

  1228. - enable symbol versioning by default for linkers that support it

  1229. - IFF PBM/ILBM bitmap decoder

  1230. - concat protocol

  1231. - Indeo 5 decoder

  1232. - RTP depacketization of AMR

  1233. - WMA Voice decoder

  1234. - ffprobe tool

  1235. - AMR-NB decoder

  1236. - RTSP muxer

  1237. - HE-AAC v1 decoder

  1238. - Kega Game Video (KGV1) decoder

  1239. - VorbisComment writing for FLAC, Ogg FLAC and Ogg Speex files

  1240. - RTP depacketization of Theora

  1241. - HTTP Digest authentication

  1242. - RTMP/RTMPT/RTMPS/RTMPE/RTMPTE protocol support via librtmp

  1243. - Psygnosis YOP demuxer and video decoder

  1244. - spectral extension support in the E-AC-3 decoder

  1245. - unsharp video filter

  1246. - RTP hinting in the mov/3gp/mp4 muxer

  1247. - Dirac in Ogg demuxing

  1248. - seek to keyframes in Ogg

  1249. - 4:2:2 and 4:4:4 Theora decoding

  1250. - 35% faster VP3/Theora decoding

  1251. - faster AAC decoding

  1252. - faster H.264 decoding

  1253. - RealAudio 1.0 (14.4K) encoder

  1254. 

  1255. 

  1256. version 0.5:

  1257. 

  1258. - DV50 AKA DVCPRO50 encoder, decoder, muxer and demuxer

  1259. - TechSmith Camtasia (TSCC) video decoder

  1260. - IBM Ultimotion (ULTI) video decoder

  1261. - Sierra Online audio file demuxer and decoder

  1262. - Apple QuickDraw (qdrw) video decoder

  1263. - Creative ADPCM audio decoder (16 bits as well as 8 bits schemes)

  1264. - Electronic Arts Multimedia (WVE/UV2/etc.) file demuxer

  1265. - Miro VideoXL (VIXL) video decoder

  1266. - H.261 video encoder

  1267. - QPEG video decoder

  1268. - Nullsoft Video (NSV) file demuxer

  1269. - Shorten audio decoder

  1270. - LOCO video decoder

  1271. - Apple Lossless Audio Codec (ALAC) decoder

  1272. - Winnov WNV1 video decoder

  1273. - Autodesk Animator Studio Codec (AASC) decoder

  1274. - Indeo 2 video decoder

  1275. - Fraps FPS1 video decoder

  1276. - Snow video encoder/decoder

  1277. - Sonic audio encoder/decoder

  1278. - Vorbis audio decoder

  1279. - Macromedia ADPCM decoder

  1280. - Duck TrueMotion 2 video decoder

  1281. - support for decoding FLX and DTA extensions in FLIC files

  1282. - H.264 custom quantization matrices support

  1283. - ffserver fixed, it should now be usable again

  1284. - QDM2 audio decoder

  1285. - Real Cooker audio decoder

  1286. - TrueSpeech audio decoder

  1287. - WMA2 audio decoder fixed, now all files should play correctly

  1288. - RealAudio 14.4 and 28.8 decoders fixed

  1289. - JPEG-LS decoder

  1290. - build system improvements

  1291. - tabs and trailing whitespace removed from the codebase

  1292. - CamStudio video decoder

  1293. - AIFF/AIFF-C audio format, encoding and decoding

  1294. - ADTS AAC file reading and writing

  1295. - Creative VOC file reading and writing

  1296. - American Laser Games multimedia (*.mm) playback system

  1297. - Zip Motion Blocks Video decoder

  1298. - improved Theora/VP3 decoder

  1299. - True Audio (TTA) decoder

  1300. - AVS demuxer and video decoder

  1301. - JPEG-LS encoder

  1302. - Smacker demuxer and decoder

  1303. - NuppelVideo/MythTV demuxer and RTjpeg decoder

  1304. - KMVC decoder

  1305. - MPEG-2 intra VLC support

  1306. - MPEG-2 4:2:2 encoder

  1307. - Flash Screen Video decoder

  1308. - GXF demuxer

  1309. - Chinese AVS decoder

  1310. - GXF muxer

  1311. - MXF demuxer

  1312. - VC-1/WMV3/WMV9 video decoder

  1313. - MacIntel support

  1314. - AviSynth support

  1315. - VMware video decoder

  1316. - VP5 video decoder

  1317. - VP6 video decoder

  1318. - WavPack lossless audio decoder

  1319. - Targa (.TGA) picture decoder

  1320. - Vorbis audio encoder

  1321. - Delphine Software .cin demuxer/audio and video decoder

  1322. - Tiertex .seq demuxer/video decoder

  1323. - MTV demuxer

  1324. - TIFF picture encoder and decoder

  1325. - GIF picture decoder

  1326. - Intel Music Coder decoder

  1327. - Zip Motion Blocks Video encoder

  1328. - Musepack decoder

  1329. - Flash Screen Video encoder

  1330. - Theora encoding via libtheora

  1331. - BMP encoder

  1332. - WMA encoder

  1333. - GSM-MS encoder and decoder

  1334. - DCA decoder

  1335. - DXA demuxer and decoder

  1336. - DNxHD decoder

  1337. - Gamecube movie (.THP) playback system

  1338. - Blackfin optimizations

  1339. - Interplay C93 demuxer and video decoder

  1340. - Bethsoft VID demuxer and video decoder

  1341. - CRYO APC demuxer

  1342. - ATRAC3 decoder

  1343. - V.Flash PTX decoder

  1344. - RoQ muxer, RoQ audio encoder

  1345. - Renderware TXD demuxer and decoder

  1346. - extern C declarations for C++ removed from headers

  1347. - sws_flags command line option

  1348. - codebook generator

  1349. - RoQ video encoder

  1350. - QTRLE encoder

  1351. - OS/2 support removed and restored again

  1352. - AC-3 decoder

  1353. - NUT muxer

  1354. - additional SPARC (VIS) optimizations

  1355. - Matroska muxer

  1356. - slice-based parallel H.264 decoding

  1357. - Monkey's Audio demuxer and decoder

  1358. - AMV audio and video decoder

  1359. - DNxHD encoder

  1360. - H.264 PAFF decoding

  1361. - Nellymoser ASAO decoder

  1362. - Beam Software SIFF demuxer and decoder

  1363. - libvorbis Vorbis decoding removed in favor of native decoder

  1364. - IntraX8 (J-Frame) subdecoder for WMV2 and VC-1

  1365. - Ogg (Theora, Vorbis and FLAC) muxer

  1366. - The "device" muxers and demuxers are now in a new libavdevice library

  1367. - PC Paintbrush PCX decoder

  1368. - Sun Rasterfile decoder

  1369. - TechnoTrend PVA demuxer

  1370. - Linux Media Labs MPEG-4 (LMLM4) demuxer

  1371. - AVM2 (Flash 9) SWF muxer

  1372. - QT variant of IMA ADPCM encoder

  1373. - VFW grabber

  1374. - iPod/iPhone compatible mp4 muxer

  1375. - Mimic decoder

  1376. - MSN TCP Webcam stream demuxer

  1377. - RL2 demuxer / decoder

  1378. - IFF demuxer

  1379. - 8SVX audio decoder

  1380. - non-recursive Makefiles

  1381. - BFI demuxer

  1382. - MAXIS EA XA (.xa) demuxer / decoder

  1383. - BFI video decoder

  1384. - OMA demuxer

  1385. - MLP/TrueHD decoder

  1386. - Electronic Arts CMV decoder

  1387. - Motion Pixels Video decoder

  1388. - Motion Pixels MVI demuxer

  1389. - removed animated GIF decoder/demuxer

  1390. - D-Cinema audio muxer

  1391. - Electronic Arts TGV decoder

  1392. - Apple Lossless Audio Codec (ALAC) encoder

  1393. - AAC decoder

  1394. - floating point PCM encoder/decoder

  1395. - MXF muxer

  1396. - DV100 AKA DVCPRO HD decoder and demuxer

  1397. - E-AC-3 support added to AC-3 decoder

  1398. - Nellymoser ASAO encoder

  1399. - ASS and SSA demuxer and muxer

  1400. - liba52 wrapper removed

  1401. - SVQ3 watermark decoding support

  1402. - Speex decoding via libspeex

  1403. - Electronic Arts TGQ decoder

  1404. - RV40 decoder

  1405. - QCELP / PureVoice decoder

  1406. - RV30 decoder

  1407. - hybrid WavPack support

  1408. - R3D REDCODE demuxer

  1409. - ALSA support for playback and record

  1410. - Electronic Arts TQI decoder

  1411. - OpenJPEG based JPEG 2000 decoder

  1412. - NC (NC4600) camera file demuxer

  1413. - Gopher client support

  1414. - MXF D-10 muxer

  1415. - generic metadata API

  1416. - flash ScreenVideo2 encoder

  1417. 

  1418. 

  1419. version 0.4.9-pre1:

  1420. 

  1421. - DV encoder, DV muxer

  1422. - Microsoft RLE video decoder

  1423. - Microsoft Video-1 decoder

  1424. - Apple Animation (RLE) decoder

  1425. - Apple Graphics (SMC) decoder

  1426. - Apple Video (RPZA) decoder

  1427. - Cinepak decoder

  1428. - Sega FILM (CPK) file demuxer

  1429. - Westwood multimedia support (VQA & AUD files)

  1430. - Id Quake II CIN playback support

  1431. - 8BPS video decoder

  1432. - FLIC playback support

  1433. - RealVideo 2.0 (RV20) decoder

  1434. - Duck TrueMotion v1 (DUCK) video decoder

  1435. - Sierra VMD demuxer and video decoder

  1436. - MSZH and ZLIB decoder support

  1437. - SVQ1 video encoder

  1438. - AMR-WB support

  1439. - PPC optimizations

  1440. - rate distortion optimal cbp support

  1441. - rate distorted optimal ac prediction for MPEG-4

  1442. - rate distorted optimal lambda->qp support

  1443. - AAC encoding with libfaac

  1444. - Sunplus JPEG codec (SP5X) support

  1445. - use Lagrange multiplier instead of QP for ratecontrol

  1446. - Theora/VP3 decoding support

  1447. - XA and ADX ADPCM codecs

  1448. - export MPEG-2 active display area / pan scan

  1449. - Add support for configuring with IBM XLC

  1450. - floating point AAN DCT

  1451. - initial support for zygo video (not complete)

  1452. - RGB ffv1 support

  1453. - new audio/video parser API

  1454. - av_log() system

  1455. - av_read_frame() and av_seek_frame() support

  1456. - missing last frame fixes

  1457. - seek by mouse in ffplay

  1458. - noise reduction of DCT coefficients

  1459. - H.263 OBMC & 4MV support

  1460. - H.263 alternative inter vlc support

  1461. - H.263 loop filter

  1462. - H.263 slice structured mode

  1463. - interlaced DCT support for MPEG-2 encoding

  1464. - stuffing to stay above min_bitrate

  1465. - MB type & QP visualization

  1466. - frame stepping for ffplay

  1467. - interlaced motion estimation

  1468. - alternate scantable support

  1469. - SVCD scan offset support

  1470. - closed GOP support

  1471. - SSE2 FDCT

  1472. - quantizer noise shaping

  1473. - G.726 ADPCM audio codec

  1474. - MS ADPCM encoding

  1475. - multithreaded/SMP motion estimation

  1476. - multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263

  1477. - multithreaded/SMP decoding for MPEG-2

  1478. - FLAC decoder

  1479. - Metrowerks CodeWarrior suppport

  1480. - H.263+ custom pcf support

  1481. - nicer output for 'ffmpeg -formats'

  1482. - Matroska demuxer

  1483. - SGI image format, encoding and decoding

  1484. - H.264 loop filter support

  1485. - H.264 CABAC support

  1486. - nicer looking arrows for the motion vector visualization

  1487. - improved VCD support

  1488. - audio timestamp drift compensation

  1489. - MPEG-2 YUV 422/444 support

  1490. - polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample

  1491. - better image scaling

  1492. - H.261 support

  1493. - correctly interleave packets during encoding

  1494. - VIS optimized motion compensation

  1495. - intra_dc_precision>0 encoding support

  1496. - support reuse of motion vectors/MB types/field select values of the source video

  1497. - more accurate deblock filter

  1498. - padding support

  1499. - many optimizations and bugfixes

  1500. - FunCom ISS audio file demuxer and according ADPCM decoding

  1501. 

  1502. 

  1503. version 0.4.8:

  1504. 

  1505. - MPEG-2 video encoding (Michael)

  1506. - Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)

  1507. - Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson

  1508.   and Mario Brito)

  1509. - Xan DPCM audio decoder (Mario Brito)

  1510. - Interplay MVE playback subsystem (Mike Melanson)

  1511. - Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)

  1512. 

  1513. 

  1514. version 0.4.7:

  1515. 

  1516. - RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from mplayerhq

  1517.   (originally from public domain player for Amiga at http://www.honeypot.net/audio)

  1518. - current version now also compiles with older GCC (Fabrice)

  1519. - 4X multimedia playback system including 4xm file demuxer (Mike

  1520.   Melanson), and 4X video and audio codecs (Michael)

  1521. - Creative YUV (CYUV) decoder (Mike Melanson)

  1522. - FFV1 codec (our very simple lossless intra only codec, compresses much better

  1523.   than HuffYUV) (Michael)

  1524. - ASV1 (Asus), H.264, Intel indeo3 codecs have been added (various)

  1525. - tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with

  1526.   alpha support), JPEG YUV colorspace support. (Fabrice Bellard)

  1527. - ffplay has been replaced with a newer version which uses SDL (optionally)

  1528.   for multiplatform support (Fabrice)

  1529. - Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated

  1530.   by anonymous

  1531. - AMR format has been added (Johannes Carlsson)

  1532. - 3GP support has been added (Johannes Carlsson)

  1533. - VP3 codec has been added (Mike Melanson)

  1534. - more MPEG-1/2 fixes

  1535. - better multiplatform support, MS Visual Studio fixes (various)

  1536. - AltiVec optimizations (Magnus Damn and others)

  1537. - SH4 processor support has been added (BERO)

  1538. - new public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)

  1539. - VOB streaming support (Brian Foley)

  1540. - better MP3 autodetection (Andriy Rysin)

  1541. - qpel encoding (Michael)

  1542. - 4mv+b frames encoding finally fixed (Michael)

  1543. - chroma ME (Michael)

  1544. - 5 comparison functions for ME (Michael)

  1545. - B-frame encoding speedup (Michael)

  1546. - WMV2 codec (unfinished - Michael)

  1547. - user specified diamond size for EPZS (Michael)

  1548. - Playstation STR playback subsystem, still experimental (Mike and Michael)

  1549. - ASV2 codec (Michael)

  1550. - CLJR decoder (Alex)

  1551. 

  1552. .. And lots more new enhancements and fixes.

  1553. 

  1554. 

  1555. version 0.4.6:

  1556. 

  1557. - completely new integer only MPEG audio layer 1/2/3 decoder rewritten

  1558.   from scratch

  1559. - Recoded DCT and motion vector search with gcc (no longer depends on nasm)

  1560. - fix quantization bug in AC3 encoder

  1561. - added PCM codecs and format. Corrected WAV/AVI/ASF PCM issues

  1562. - added prototype ffplay program

  1563. - added GOB header parsing on H.263/H.263+ decoder (Juanjo)

  1564. - bug fix on MCBPC tables of H.263 (Juanjo)

  1565. - bug fix on DC coefficients of H.263 (Juanjo)

  1566. - added Advanced Prediction Mode on H.263/H.263+ decoder (Juanjo)

  1567. - now we can decode H.263 streams found in QuickTime files (Juanjo)

  1568. - now we can decode H.263 streams found in VIVO v1 files(Juanjo)

  1569. - preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)

  1570. - added GOB header for H.263/H.263+ coding on RTP mode (Juanjo)

  1571. - now H.263 picture size is returned on the first decoded frame (Juanjo)

  1572. - added first regression tests

  1573. - added MPEG-2 TS demuxer

  1574. - new demux API for libav

  1575. - more accurate and faster IDCT (Michael)

  1576. - faster and entropy-controlled motion search (Michael)

  1577. - two pass video encoding (Michael)

  1578. - new video rate control (Michael)

  1579. - added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)

  1580. - great performance improvement of video encoders and decoders (Michael)

  1581. - new and faster bit readers and vlc parsers (Michael)

  1582. - high quality encoding mode: tries all macroblock/VLC types (Michael)

  1583. - added DV video decoder

  1584. - preliminary RTP/RTSP support in ffserver and libavformat

  1585. - H.263+ AIC decoding/encoding support (Juanjo)

  1586. - VCD MPEG-PS mode (Juanjo)

  1587. - PSNR stuff (Juanjo)

  1588. - simple stats output (Juanjo)

  1589. - 16-bit and 15-bit RGB/BGR/GBR support (Bisqwit)

  1590. 

  1591. 

  1592. version 0.4.5:

  1593. 

  1594. - some header fixes (Zdenek Kabelac <kabi at informatics.muni.cz>)

  1595. - many MMX optimizations (Nick Kurshev <nickols_k at mail.ru>)

  1596. - added configure system (actually a small shell script)

  1597. - added MPEG audio layer 1/2/3 decoding using LGPL'ed mpglib by

  1598.   Michael Hipp (temporary solution - waiting for integer only

  1599.   decoder)

  1600. - fixed VIDIOCSYNC interrupt

  1601. - added Intel H.263 decoding support ('I263' AVI fourCC)

  1602. - added Real Video 1.0 decoding (needs further testing)

  1603. - simplified image formats again. Added PGM format (=grey

  1604.   pgm). Renamed old PGM to PGMYUV.

  1605. - fixed msmpeg4 slice issues (tell me if you still find problems)

  1606. - fixed OpenDivX bugs with newer versions (added VOL header decoding)

  1607. - added support for MPlayer interface

  1608. - added macroblock skip optimization

  1609. - added MJPEG decoder

  1610. - added mmx/mmxext IDCT from libmpeg2

  1611. - added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer

  1612.   <celer at shell.scrypt.net>)

  1613. - added pixel format conversion layer (e.g. for MJPEG or PPM)

  1614. - added deinterlacing option

  1615. - MPEG-1/2 fixes

  1616. - MPEG-4 vol header fixes (Jonathan Marsden <snmjbm at pacbell.net>)

  1617. - ARM optimizations (Lionel Ulmer <lionel.ulmer at free.fr>).

  1618. - Windows porting of file converter

  1619. - added MJPEG raw format (input/output)

  1620. - added JPEG image format support (input/output)

  1621. 

  1622. 

  1623. version 0.4.4:

  1624. 

  1625. - fixed some std header definitions (Bjorn Lindgren

  1626.   <bjorn.e.lindgren at telia.com>).

  1627. - added MPEG demuxer (MPEG-1 and 2 compatible).

  1628. - added ASF demuxer

  1629. - added prototype RM demuxer

  1630. - added AC3 decoding (done with libac3 by Aaron Holtzman)

  1631. - added decoding codec parameter guessing (.e.g. for MPEG, because the

  1632.   header does not include them)

  1633. - fixed header generation in MPEG-1, AVI and ASF muxer: wmplayer can now

  1634.   play them (only tested video)

  1635. - fixed H.263 white bug

  1636. - fixed phase rounding in img resample filter

  1637. - add MMX code for polyphase img resample filter

  1638. - added CPU autodetection

  1639. - added generic title/author/copyright/comment string handling (ASF and RM

  1640.   use them)

  1641. - added SWF demux to extract MP3 track (not usable yet because no MP3

  1642.   decoder)

  1643. - added fractional frame rate support

  1644. - codecs are no longer searched by read_header() (should fix ffserver

  1645.   segfault)

  1646. 

  1647. 

  1648. version 0.4.3:

  1649. 

  1650. - BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq at amsat.org>)

  1651. - fixed raw yuv output

  1652. - added motion rounding support in MPEG-4

  1653. - fixed motion bug rounding in MSMPEG4

  1654. - added B-frame handling in video core

  1655. - added full MPEG-1 decoding support

  1656. - added partial (frame only) MPEG-2 support

  1657. - changed the FOURCC code for H.263 to "U263" to be able to see the

  1658.   +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with

  1659.   this +codec ;) (JuanJo).

  1660. - Halfpel motion estimation after MB type selection (JuanJo)

  1661. - added pgm and .Y.U.V output format

  1662. - suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or

  1663.   output.

  1664. - added pgmpipe I/O format (original patch from Martin Aumueller

  1665.   <lists at reserv.at>, but changed completely since we use a format

  1666.   instead of a protocol)

  1667. 

  1668. 

  1669. version 0.4.2:

  1670. 

  1671. - added H.263/MPEG-4/MSMPEG4 decoding support. MPEG-4 decoding support

  1672.   (for OpenDivX) is almost complete: 8x8 MVs and rounding are

  1673.   missing. MSMPEG4 support is complete.

  1674. - added prototype MPEG-1 decoder. Only I- and P-frames handled yet (it

  1675.   can decode ffmpeg MPEGs :-)).

  1676. - added libavcodec API documentation (see apiexample.c).

  1677. - fixed image polyphase bug (the bottom of some images could be

  1678.   greenish)

  1679. - added support for non clipped motion vectors (decoding only)

  1680.   and image sizes non-multiple of 16

  1681. - added support for AC prediction (decoding only)

  1682. - added file overwrite confirmation (can be disabled with -y)

  1683. - added custom size picture to H.263 using H.263+ (Juanjo)

  1684. 

  1685. 

  1686. version 0.4.1:

  1687. 

  1688. - added MSMPEG4 (aka DivX) compatible encoder. Changed default codec

  1689.   of AVI and ASF to DIV3.

  1690. - added -me option to set motion estimation method

  1691.   (default=log). suppressed redundant -hq option.

  1692. - added options -acodec and -vcodec to force a given codec (useful for

  1693.   AVI for example)

  1694. - fixed -an option

  1695. - improved dct_quantize speed

  1696. - factorized some motion estimation code

  1697. 

  1698. 

  1699. version 0.4.0:

  1700. 

  1701. - removing grab code from ffserver and moved it to ffmpeg. Added

  1702.   multistream support to ffmpeg.

  1703. - added timeshifting support for live feeds (option ?date=xxx in the

  1704.   URL)

  1705. - added high quality image resize code with polyphase filter (need

  1706.   mmx/see optimization). Enable multiple image size support in ffserver.

  1707. - added multi live feed support in ffserver

  1708. - suppressed master feature from ffserver (it should be done with an

  1709.   external program which opens the .ffm url and writes it to another

  1710.   ffserver)

  1711. - added preliminary support for video stream parsing (WAV and AVI half

  1712.   done). Added proper support for audio/video file conversion in

  1713.   ffmpeg.

  1714. - added preliminary support for video file sending from ffserver

  1715. - redesigning I/O subsystem: now using URL based input and output

  1716.   (see avio.h)

  1717. - added WAV format support

  1718. - added "tty user interface" to ffmpeg to stop grabbing gracefully

  1719. - added MMX/SSE optimizations to SAD (Sums of Absolutes Differences)

  1720.   (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo at atmlab.utfsm.cl>)

  1721. - added MMX DCT from mpeg2_movie 1.5 (Juanjo)

  1722. - added new motion estimation algorithms, log and phods (Juanjo)

  1723. - changed directories: libav for format handling, libavcodec for

  1724.   codecs

  1725. 

  1726. 

  1727. version 0.3.4:

  1728. 

  1729. - added stereo in MPEG audio encoder

  1730. 

  1731. 

  1732. version 0.3.3:

  1733. 

  1734. - added 'high quality' mode which use motion vectors. It can be used in

  1735.   real time at low resolution.

  1736. - fixed rounding problems which caused quality problems at high

  1737.   bitrates and large GOP size

  1738. 

  1739. 

  1740. version 0.3.2: small fixes

  1741. 

  1742. - ASF fixes

  1743. - put_seek bug fix

  1744. 

  1745. 

  1746. version 0.3.1: added avi/divx support

  1747. 

  1748. - added AVI support

  1749. - added MPEG-4 codec compatible with OpenDivX. It is based on the H.263 codec

  1750. - added sound for flash format (not tested)

  1751. 

  1752. 

  1753. version 0.3: initial public release