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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. - 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. 

  16. 

  17. version 4.0:

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

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

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

  21. - VDA dropped (use VideoToolbox instead)

  22. - MagicYUV encoder

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

  24. - TiVo ty/ty+ demuxer

  25. - Intel QSV-accelerated MJPEG encoding

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

  27. - native aptX and aptX HD encoder and decoder

  28. - Raw aptX and aptX HD muxer and demuxer

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

  30. - Intel QSV-accelerated overlay filter

  31. - mcompand audio filter

  32. - acontrast audio filter

  33. - OpenCL overlay filter

  34. - video mix filter

  35. - video normalize filter

  36. - audio lv2 wrapper filter

  37. - VAAPI MJPEG and VP8 decoding

  38. - AMD AMF H.264 and HEVC encoders

  39. - video fillborders filter

  40. - video setrange filter

  41. - nsp demuxer

  42. - support LibreSSL (via libtls)

  43. - AVX-512/ZMM support added

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

  45.   version is Windows Vista.

  46. - deconvolve video filter

  47. - entropy video filter

  48. - hilbert audio filter source

  49. - aiir audio filter

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

  51. - Removed the ffserver program

  52. - Removed the ffmenc and ffmdec muxer and demuxer

  53. - VideoToolbox HEVC encoder and hwaccel

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

  55. - Add android_camera indev

  56. - codec2 en/decoding via libcodec2

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

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

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

  60. - native SBC encoder and decoder

  61. - drmeter audio filter

  62. - hapqa_extract bitstream filter

  63. - filter_units bitstream filter

  64. - AV1 Support through libaom

  65. - E-AC-3 dependent frames support

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

  67. - Haivision SRT protocol via libsrt

  68. - segafilm muxer

  69. - vfrdet filter

  70. - SRCNN filter

  71. 

  72. 

  73. version 3.4:

  74. - deflicker video filter

  75. - doubleweave video filter

  76. - lumakey video filter

  77. - pixscope video filter

  78. - oscilloscope video filter

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

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

  81. - afir audio filter

  82. - scale_cuda CUDA based video scale filter

  83. - librsvg support for svg rasterization

  84. - crossfeed audio filter

  85. - spec compliant VP9 muxing support in MP4

  86. - remove the libnut muxer/demuxer wrappers

  87. - remove the libschroedinger encoder/decoder wrappers

  88. - surround audio filter

  89. - sofalizer filter switched to libmysofa

  90. - Gremlin Digital Video demuxer and decoder

  91. - headphone audio filter

  92. - superequalizer audio filter

  93. - roberts video filter

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

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

  96. - additional frame format support for Interplay MVE movies

  97. - support for decoding through D3D11VA in ffmpeg

  98. - limiter video filter

  99. - libvmaf video filter

  100. - Dolby E decoder and SMPTE 337M demuxer

  101. - unpremultiply video filter

  102. - tlut2 video filter

  103. - floodfill video filter

  104. - pseudocolor video filter

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

  106. - NewTek NDI input/output device

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

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

  109.   They must always be used by name.

  110. - FITS demuxer and decoder

  111. - FITS muxer and encoder

  112. - add --disable-autodetect build switch

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

  114. - despill video filter

  115. - haas audio filter

  116. - SUP/PGS subtitle muxer

  117. - convolve video filter

  118. - VP9 tile threading support

  119. - KMS screen grabber

  120. - CUDA thumbnail filter

  121. - V4L2 mem2mem HW assisted codecs

  122. - Rockchip MPP hardware decoding

  123. - vmafmotion video filter

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

  125. 

  126. 

  127. version 3.3:

  128. - CrystalHD decoder moved to new decode API

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

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

  131. - premultiply video filter

  132. - Support for spherical videos

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

  134. - PSD Decoder

  135. - 16.8 floating point pcm decoder

  136. - 24.0 floating point pcm decoder

  137. - Apple Pixlet decoder

  138. - QDMC audio decoder

  139. - NewTek SpeedHQ decoder

  140. - MIDI Sample Dump Standard demuxer

  141. - readeia608 filter

  142. - Sample Dump eXchange demuxer

  143. - abitscope multimedia filter

  144. - Scenarist Closed Captions demuxer and muxer

  145. - threshold filter

  146. - midequalizer filter

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

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

  149. - FM Screen Capture Codec decoder

  150. - native Opus encoder

  151. - ScreenPressor decoder

  152. - incomplete ClearVideo decoder

  153. - Intel QSV video scaling and deinterlacing filters

  154. - Support MOV with multiple sample description tables

  155. - XPM decoder

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

  157. - MPEG-7 Video Signature filter

  158. - Removed asyncts filter (use af_aresample instead)

  159. - Intel QSV-accelerated VP8 video decoding

  160. - VAAPI-accelerated deinterlacing

  161. 

  162. 

  163. version 3.2:

  164. - libopenmpt demuxer

  165. - tee protocol

  166. - Changed metadata print option to accept general urls

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

  168. - VP8 in Ogg muxing

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

  170. - 16-bit support in curves filter and selectivecolor filter

  171. - OpenH264 decoder wrapper

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

  173. - True Audio (TTA) muxer

  174. - crystalizer audio filter

  175. - acrusher audio filter

  176. - bitplanenoise video filter

  177. - floating point support in als decoder

  178. - fifo muxer

  179. - maskedclamp filter

  180. - hysteresis filter

  181. - lut2 filter

  182. - yuvtestsrc filter

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

  184. - vaguedenoiser filter

  185. - added threads option per filter instance

  186. - weave filter

  187. - gblur filter

  188. - avgblur filter

  189. - sobel and prewitt filter

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

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

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

  193. - sdl2 output device and ffplay support

  194. - sdl1 output device and sdl1 support removed

  195. - extended mov edit list support

  196. - libfaac encoder removed

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

  198. - sidedata video and asidedata audio filter

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

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

  201. 

  202. 

  203. version 3.1:

  204. - DXVA2-accelerated HEVC Main10 decoding

  205. - fieldhint filter

  206. - loop video filter and aloop audio filter

  207. - Bob Weaver deinterlacing filter

  208. - firequalizer filter

  209. - datascope filter

  210. - bench and abench filters

  211. - ciescope filter

  212. - protocol blacklisting API

  213. - MediaCodec H264 decoding

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

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

  216. - AudioToolbox audio decoders

  217. - AudioToolbox audio encoders

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

  219. - libdcadec removed

  220. - bitstream filter for extracting DTS core

  221. - ADPCM IMA DAT4 decoder

  222. - musx demuxer

  223. - aix demuxer

  224. - remap filter

  225. - hash and framehash muxers

  226. - colorspace filter

  227. - hdcd filter

  228. - readvitc filter

  229. - VAAPI-accelerated format conversion and scaling

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

  231. - Duck TrueMotion 2.0 Real Time decoder

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

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

  234. - DTS Express (LBR) decoder

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

  236. - IFF ANIM demuxer & decoder

  237. - Direct Stream Transfer (DST) decoder

  238. - loudnorm filter

  239. - MTAF demuxer and decoder

  240. - MagicYUV decoder

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

  242. - BitJazz SheerVideo decoder

  243. - CUDA CUVID H264/HEVC decoder

  244. - 10-bit depth support in native utvideo decoder

  245. - libutvideo wrapper removed

  246. - YUY2 Lossless Codec decoder

  247. - VideoToolbox H.264 encoder

  248. 

  249. 

  250. version 3.0:

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

  252. - DXV decoding

  253. - extrastereo filter

  254. - ocr filter

  255. - alimiter filter

  256. - stereowiden filter

  257. - stereotools filter

  258. - rubberband filter

  259. - tremolo filter

  260. - agate filter

  261. - chromakey filter

  262. - maskedmerge filter

  263. - Screenpresso SPV1 decoding

  264. - chromaprint fingerprinting muxer

  265. - ffplay dynamic volume control

  266. - displace filter

  267. - selectivecolor filter

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

  269. - ADPCM PSX decoder

  270. - 3dostr, dcstr, fsb, genh, vag, xvag, ads, msf, svag & vpk demuxer

  271. - zscale filter

  272. - wve demuxer

  273. - zero-copy Intel QSV transcoding in ffmpeg

  274. - shuffleframes filter

  275. - SDX2 DPCM decoder

  276. - vibrato filter

  277. - innoHeim/Rsupport Screen Capture Codec decoder

  278. - ADPCM AICA decoder

  279. - Interplay ACM demuxer and audio decoder

  280. - XMA1 & XMA2 decoder

  281. - realtime filter

  282. - anoisesrc audio filter source

  283. - IVR demuxer

  284. - compensationdelay filter

  285. - acompressor filter

  286. - support encoding 16-bit RLE SGI images

  287. - apulsator filter

  288. - sidechaingate audio filter

  289. - mipsdspr1 option has been renamed to mipsdsp

  290. - aemphasis filter

  291. - mips32r5 option has been removed

  292. - mips64r6 option has been removed

  293. - DXVA2-accelerated VP9 decoding

  294. - SOFAlizer: virtual binaural acoustics filter

  295. - VAAPI VP9 hwaccel

  296. - audio high-order multiband parametric equalizer

  297. - automatic bitstream filtering

  298. - showspectrumpic filter

  299. - libstagefright support removed

  300. - spectrumsynth filter

  301. - ahistogram filter

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

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

  304. - afftfilt filter

  305. - convolution filter

  306. - libquvi support removed

  307. - support for dvaudio in wav and avi

  308. - libaacplus and libvo-aacenc support removed

  309. - Cineform HD decoder

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

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

  312. - nnedi deinterlacer

  313. - streamselect video and astreamselect audio filter

  314. - swaprect filter

  315. - metadata video and ametadata audio filter

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

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

  318. 

  319. 

  320. version 2.8:

  321. - colorkey video filter

  322. - BFSTM/BCSTM demuxer

  323. - little-endian ADPCM_THP decoder

  324. - Hap decoder and encoder

  325. - DirectDraw Surface image/texture decoder

  326. - ssim filter

  327. - optional new ASF demuxer

  328. - showvolume filter

  329. - Many improvements to the JPEG 2000 decoder

  330. - Go2Meeting decoding support

  331. - adrawgraph audio and drawgraph video filter

  332. - removegrain video filter

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

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

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

  336. - libkvazaar HEVC encoder

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

  338. - Dynamic Audio Normalizer as dynaudnorm filter

  339. - Reverse video and areverse audio filter

  340. - Random filter

  341. - deband filter

  342. - AAC fixed-point decoding

  343. - sidechaincompress audio filter

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

  345. - acrossfade audio filter

  346. - allyuv and allrgb video sources

  347. - atadenoise video filter

  348. - OS X VideoToolbox support

  349. - aphasemeter filter

  350. - showfreqs filter

  351. - vectorscope filter

  352. - waveform filter

  353. - hstack and vstack filter

  354. - Support DNx100 (1440x1080@8)

  355. - VAAPI hevc hwaccel

  356. - VDPAU hevc hwaccel

  357. - framerate filter

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

  359. - Removed experimental flag from the JPEG 2000 encoder

  360. 

  361. 

  362. version 2.7:

  363. - FFT video filter

  364. - TDSC decoder

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

  366. - showwavespic filter

  367. - DTS decoding through libdcadec

  368. - Drop support for nvenc API before 5.0

  369. - nvenc HEVC encoder

  370. - Detelecine filter

  371. - Intel QSV-accelerated H.264 encoding

  372. - MMAL-accelerated H.264 decoding

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

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

  375. - WebM Live Chunk Muxer

  376. - nvenc level and tier options

  377. - chorus filter

  378. - Canopus HQ/HQA decoder

  379. - Automatically rotate videos based on metadata in ffmpeg

  380. - improved Quickdraw compatibility

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

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

  383. - Direct3D11-accelerated decoding

  384. - Support Secure Transport

  385. - Multipart JPEG demuxer

  386. 

  387. 

  388. version 2.6:

  389. - nvenc encoder

  390. - 10bit spp filter

  391. - colorlevels filter

  392. - RIFX format for *.wav files

  393. - RTP/mpegts muxer

  394. - non continuous cache protocol support

  395. - tblend filter

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

  397. - Camellia symmetric block cipher

  398. - OpenH264 encoder wrapper

  399. - VOC seeking support

  400. - Closed caption Decoder

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

  402. - showpalette filter

  403. - Twofish symmetric block cipher

  404. - Support DNx100 (960x720@8)

  405. - eq2 filter ported from libmpcodecs as eq filter

  406. - removed libmpcodecs

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

  408. - ported softpulldown filter from libmpcodecs as repeatfields filter

  409. - dcshift filter

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

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

  412. - palettegen and paletteuse filters

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

  414. - RTP depacketizer for DV (RFC 6469)

  415. - DXVA2-accelerated HEVC decoding

  416. - AAC ELD 480 decoding

  417. - Intel QSV-accelerated H.264 decoding

  418. - DSS SP decoder and DSS demuxer

  419. - Fix stsd atom corruption in DNxHD QuickTimes

  420. - Canopus HQX decoder

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

  422. - Port MIPS optimizations to 64-bit

  423. 

  424. 

  425. version 2.5:

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

  427. - SUP/PGS subtitle demuxer

  428. - ffprobe -show_pixel_formats option

  429. - CAST128 symmetric block cipher, ECB mode

  430. - STL subtitle demuxer and decoder

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

  432. - XCB-based screen-grabber

  433. - UDP-Lite support (RFC 3828)

  434. - xBR scaling filter

  435. - AVFoundation screen capturing support

  436. - ffserver supports codec private options

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

  438. - WebP muxer with animated WebP support

  439. - zygoaudio decoding support

  440. - APNG demuxer

  441. - postproc visualization support

  442. 

  443. 

  444. version 2.4:

  445. - Icecast protocol

  446. - ported lenscorrection filter from frei0r filter

  447. - large optimizations in dctdnoiz to make it usable

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

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

  450. - LZMA compression support in TIFF decoder

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

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

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

  454. - Matroska 3D support thorugh side data

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

  456. - silenceremove filter

  457. 

  458. 

  459. version 2.3:

  460. - AC3 fixed-point decoding

  461. - shuffleplanes filter

  462. - subfile protocol

  463. - Phantom Cine demuxer

  464. - replaygain data export

  465. - VP7 video decoder

  466. - Alias PIX image encoder and decoder

  467. - Improvements to the BRender PIX image decoder

  468. - Improvements to the XBM decoder

  469. - QTKit input device

  470. - improvements to OpenEXR image decoder

  471. - support decoding 16-bit RLE SGI images

  472. - GDI screen grabbing for Windows

  473. - alternative rendition support for HTTP Live Streaming

  474. - AVFoundation input device

  475. - Direct Stream Digital (DSD) decoder

  476. - Magic Lantern Video (MLV) demuxer

  477. - On2 AVC (Audio for Video) decoder

  478. - support for decoding through DXVA2 in ffmpeg

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

  480. - libx264 reference frames count limiting depending on level

  481. - native Opus decoder

  482. - display matrix export and rotation API

  483. - WebVTT encoder

  484. - showcqt multimedia filter

  485. - zoompan filter

  486. - signalstats filter

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

  488. - flanger filter

  489. - Image format auto-detection

  490. - LRC demuxer and muxer

  491. - Samba protocol (via libsmbclient)

  492. - WebM DASH Manifest muxer

  493. - libfribidi support in drawtext

  494. 

  495. 

  496. version 2.2:

  497. 

  498. - HNM version 4 demuxer and video decoder

  499. - Live HDS muxer

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

  501. - elbg filter

  502. - string validation in ffprobe

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

  504. - complete Voxware MetaSound decoder

  505. - remove mp3_header_compress bitstream filter

  506. - Windows resource files for shared libraries

  507. - aeval filter

  508. - stereoscopic 3d metadata handling

  509. - WebP encoding via libwebp

  510. - ATRAC3+ decoder

  511. - VP8 in Ogg demuxing

  512. - side & metadata support in NUT

  513. - framepack filter

  514. - XYZ12 rawvideo support in NUT

  515. - Exif metadata support in WebP decoder

  516. - OpenGL device

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

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

  519. - Mirillis FIC video decoder

  520. - Support DNx444

  521. - libx265 encoder

  522. - dejudder filter

  523. - Autodetect VDA like all other hardware accelerations

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

  525. 

  526. 

  527. version 2.1:

  528. 

  529. - aecho filter

  530. - perspective filter ported from libmpcodecs

  531. - ffprobe -show_programs option

  532. - compand filter

  533. - RTMP seek support

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

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

  536.   the -noaccurate_seek option.

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

  538.   data read from an input file

  539. - incomplete Voxware MetaSound decoder

  540. - read EXIF metadata from JPEG

  541. - DVB teletext decoder

  542. - phase filter ported from libmpcodecs

  543. - w3fdif filter

  544. - Opus support in Matroska

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

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

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

  548.   more consistent with other muxers.

  549. - adelay filter

  550. - pullup filter ported from libmpcodecs

  551. - ffprobe -read_intervals option

  552. - Lossless and alpha support for WebP decoder

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

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

  555. - mux chapters in ASF files

  556. - SFTP protocol (via libssh)

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

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

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

  560.   the skip_alpha flag.

  561. - ladspa wrapper filter

  562. - native VP9 decoder

  563. - dpx parser

  564. - max_error_rate parameter in ffmpeg

  565. - PulseAudio output device

  566. - ReplayGain scanner

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

  568. - Linux framebuffer output device

  569. - HEVC decoder

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

  571. - mergeplanes filter

  572. 

  573. 

  574. version 2.0:

  575. 

  576. - curves filter

  577. - reference-counting for AVFrame and AVPacket data

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

  579.   or vice versa

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

  581. - perms and aperms filters

  582. - audio filtering support in ffplay

  583. - 10% faster aac encoding on x86 and MIPS

  584. - sine audio filter source

  585. - WebP demuxing and decoding support

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

  587.   filtergraph description to be read from a file

  588. - OpenCL support

  589. - audio phaser filter

  590. - separatefields filter

  591. - libquvi demuxer

  592. - uniform options syntax across all filters

  593. - telecine filter

  594. - interlace filter

  595. - smptehdbars source

  596. - inverse telecine filters (fieldmatch and decimate)

  597. - colorbalance filter

  598. - colorchannelmixer filter

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

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

  601. - decent native animated GIF encoding

  602. - asetrate filter

  603. - interleave filter

  604. - timeline editing with filters

  605. - vidstabdetect and vidstabtransform filters for video stabilization using

  606.   the vid.stab library

  607. - astats filter

  608. - trim and atrim filters

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

  610.   transcoding audio

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

  612. - extractplanes filter

  613. - avectorscope filter

  614. - ADPCM DTK decoder

  615. - ADP demuxer

  616. - RSD demuxer

  617. - RedSpark demuxer

  618. - ADPCM IMA Radical decoder

  619. - zmq filters

  620. - DCT denoiser filter (dctdnoiz)

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

  622. - Apple Intermediate Codec decoder

  623. - Escape 130 video decoder

  624. - FTP protocol support

  625. - V4L2 output device

  626. - 3D LUT filter (lut3d)

  627. - SMPTE 302M audio encoder

  628. - support for slice multithreading in libavfilter

  629. - Hald CLUT support (generation and filtering)

  630. - VC-1 interlaced B-frame support

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

  632. - XVideo output device

  633. - vignette filter

  634. - True Audio (TTA) encoder

  635. - Go2Webinar decoder

  636. - mcdeint filter ported from libmpcodecs

  637. - sab filter ported from libmpcodecs

  638. - ffprobe -show_chapters option

  639. - WavPack encoding through libwavpack

  640. - rotate filter

  641. - spp filter ported from libmpcodecs

  642. - libgme support

  643. - psnr filter

  644. 

  645. 

  646. version 1.2:

  647. 

  648. - VDPAU hardware acceleration through normal hwaccel

  649. - SRTP support

  650. - Error diffusion dither in Swscale

  651. - Chained Ogg support

  652. - Theora Midstream reconfiguration support

  653. - EVRC decoder

  654. - audio fade filter

  655. - filtering audio with unknown channel layout

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

  657.   and treble audio filter

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

  659. - histogram filter

  660. - tee muxer

  661. - il filter ported from libmpcodecs

  662. - support ID3v2 tags in ASF files

  663. - encrypted TTA stream decoding support

  664. - RF64 support in WAV muxer

  665. - noise filter ported from libmpcodecs

  666. - Subtitles character encoding conversion

  667. - blend filter

  668. - stereo3d filter ported from libmpcodecs

  669. 

  670. 

  671. version 1.1:

  672. 

  673. - stream disposition information printing in ffprobe

  674. - filter for loudness analysis following EBU R128

  675. - Opus encoder using libopus

  676. - ffprobe -select_streams option

  677. - Pinnacle TARGA CineWave YUV16 decoder

  678. - TAK demuxer, decoder and parser

  679. - DTS-HD demuxer

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

  681. - FFM2 support

  682. - X-Face image encoder and decoder

  683. - 24-bit FLAC encoding

  684. - multi-channel ALAC encoding up to 7.1

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

  686. - subtitles raw text decoder

  687. - support for building DLLs using MSVC

  688. - LVF demuxer

  689. - ffescape tool

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

  691. - field filter ported from libmpcodecs

  692. - AVR demuxer

  693. - geq filter ported from libmpcodecs

  694. - remove ffserver daemon mode

  695. - AST muxer/demuxer

  696. - new expansion syntax for drawtext

  697. - BRender PIX image decoder

  698. - ffprobe -show_entries option

  699. - ffprobe -sections option

  700. - ADPCM IMA Dialogic decoder

  701. - BRSTM demuxer

  702. - animated GIF decoder and demuxer

  703. - PVF demuxer

  704. - subtitles filter

  705. - IRCAM muxer/demuxer

  706. - Paris Audio File demuxer

  707. - Virtual concatenation demuxer

  708. - VobSub demuxer

  709. - JSON captions for TED talks decoding support

  710. - SOX Resampler support in libswresample

  711. - aselect filter

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

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

  714. - Silicon Graphics Movie demuxer

  715. - apad filter

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

  717. - documentation split into per-component manuals

  718. - pp (postproc) filter ported from MPlayer

  719. - NIST Sphere demuxer

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

  721. - Sony Wave64 muxer

  722. - adobe and limelight publisher authentication in RTMP

  723. - data: URI scheme

  724. - support building on the Plan 9 operating system

  725. - kerndeint filter ported from MPlayer

  726. - histeq filter ported from VirtualDub

  727. - Megalux Frame demuxer

  728. - 012v decoder

  729. - Improved AVC Intra decoding support

  730. 

  731. 

  732. version 1.0:

  733. 

  734. - INI and flat output in ffprobe

  735. - Scene detection in libavfilter

  736. - Indeo Audio decoder

  737. - channelsplit audio filter

  738. - setnsamples audio filter

  739. - atempo filter

  740. - ffprobe -show_data option

  741. - RTMPT protocol support

  742. - iLBC encoding/decoding via libilbc

  743. - Microsoft Screen 1 decoder

  744. - join audio filter

  745. - audio channel mapping filter

  746. - Microsoft ATC Screen decoder

  747. - RTSP listen mode

  748. - TechSmith Screen Codec 2 decoder

  749. - AAC encoding via libfdk-aac

  750. - Microsoft Expression Encoder Screen decoder

  751. - RTMPS protocol support

  752. - RTMPTS protocol support

  753. - RTMPE protocol support

  754. - RTMPTE protocol support

  755. - showwaves and showspectrum filter

  756. - LucasArts SMUSH SANM playback support

  757. - LucasArts SMUSH VIMA audio decoder (ADPCM)

  758. - LucasArts SMUSH demuxer

  759. - SAMI, RealText and SubViewer demuxers and decoders

  760. - Heart Of Darkness PAF playback support

  761. - iec61883 device

  762. - asettb filter

  763. - new option: -progress

  764. - 3GPP Timed Text encoder/decoder

  765. - GeoTIFF decoder support

  766. - ffmpeg -(no)stdin option

  767. - Opus decoder using libopus

  768. - caca output device using libcaca

  769. - alphaextract and alphamerge filters

  770. - concat filter

  771. - flite filter

  772. - Canopus Lossless Codec decoder

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

  774. - MP2 encoding via TwoLAME

  775. - bmp parser

  776. - smptebars source

  777. - asetpts filter

  778. - hue filter

  779. - ICO muxer

  780. - SubRip encoder and decoder without embedded timing

  781. - edge detection filter

  782. - framestep filter

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

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

  785. - volume measurement filter

  786. - Ut Video encoder

  787. - Microsoft Screen 2 decoder

  788. - smartblur filter ported from MPlayer

  789. - CPiA decoder

  790. - decimate filter ported from MPlayer

  791. - RTP depacketization of JPEG

  792. - Smooth Streaming live segmenter muxer

  793. - F4V muxer

  794. - sendcmd and asendcmd filters

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

  796. - RTP packetization of JPEG

  797. - faststart option in the MOV/MP4 muxer

  798. - support for building with MSVC

  799. 

  800. 

  801. version 0.11:

  802. 

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

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

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

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

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

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

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

  810. - setfield filter

  811. - CDXL demuxer and decoder

  812. - Apple ProRes encoder

  813. - ffprobe -count_packets and -count_frames options

  814. - Sun Rasterfile Encoder

  815. - ID3v2 attached pictures reading and writing

  816. - WMA Lossless decoder

  817. - bluray protocol

  818. - blackdetect filter

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

  820. - swapuv filter

  821. - bbox filter

  822. - XBM encoder and decoder

  823. - RealAudio Lossless decoder

  824. - ZeroCodec decoder

  825. - tile video filter

  826. - Metal Gear Solid: The Twin Snakes demuxer

  827. - OpenEXR image decoder

  828. - removelogo filter

  829. - drop support for ffmpeg without libavfilter

  830. - drawtext video filter: fontconfig support

  831. - ffmpeg -benchmark_all option

  832. - super2xsai filter ported from libmpcodecs

  833. - add libavresample audio conversion library for compatibility

  834. - MicroDVD decoder

  835. - Avid Meridien (AVUI) encoder and decoder

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

  837. - complete audio filtering in libavfilter and ffmpeg

  838. - add fps filter

  839. - vorbis parser

  840. - png parser

  841. - audio mix filter

  842. - ffv1: support (draft) version 1.3

  843. 

  844. 

  845. version 0.10:

  846. 

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

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

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

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

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

  852. - SBaGen (SBG) binaural beats script demuxer

  853. - OpenMG Audio muxer

  854. - Timecode extraction in DV and MOV

  855. - thumbnail video filter

  856. - XML output in ffprobe

  857. - asplit audio filter

  858. - tinterlace video filter

  859. - astreamsync audio filter

  860. - amerge audio filter

  861. - ISMV (Smooth Streaming) muxer

  862. - GSM audio parser

  863. - SMJPEG muxer

  864. - XWD encoder and decoder

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

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

  867. - ffprobe -show_error option

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

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

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

  871. - ffprobe -show_frames option

  872. - silencedetect audio filter

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

  874. - rv34: frame-level multi-threading

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

  876. - Improved PGS subtitle decoder

  877. - dumpgraph option to lavfi device

  878. - r210 and r10k encoders

  879. - ffwavesynth decoder

  880. - aviocat tool

  881. - ffeval tool

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

  883. 

  884. 

  885. version 0.9:

  886. 

  887. - openal input device added

  888. - boxblur filter added

  889. - BWF muxer

  890. - Flash Screen Video 2 decoder

  891. - lavfi input device added

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

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

  894. easier to use. The changes are:

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

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

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

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

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

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

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

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

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

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

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

  906.       specifiers section in the avconv manual for details.

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

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

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

  910.       apply to the next input or output file.

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

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

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

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

  915.       each stream in the first input file.

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

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

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

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

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

  921.           output stream from the third input audio stream.

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

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

  924.           subtitle streams in the first input file.

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

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

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

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

  929.           stream'.

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

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

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

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

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

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

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

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

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

  939.       syntax is deprecated and will stop working soon.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  955.       scale parameter.

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

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

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

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

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

  961. - XMV demuxer

  962. - LOAS demuxer

  963. - ashowinfo filter added

  964. - Windows Media Image decoder

  965. - amovie source added

  966. - LATM muxer/demuxer

  967. - Speex encoder via libspeex

  968. - JSON output in ffprobe

  969. - WTV muxer

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

  971. - H.264 Decoding on Android via Stagefright

  972. - Prores decoder

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

  974. - aconvert audio filter added

  975. - audio support to lavfi input device added

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

  977. - Apple ProRes decoder

  978. - CELT in Ogg demuxing

  979. - G.723.1 demuxer and decoder

  980. - libmodplug support (--enable-libmodplug)

  981. - VC-1 interlaced decoding

  982. - libutvideo wrapper (--enable-libutvideo)

  983. - aevalsrc audio source added

  984. - Ut Video decoder

  985. - Speex encoding via libspeex

  986. - 4:2:2 H.264 decoding support

  987. - 4:2:2 and 4:4:4 H.264 encoding with libx264

  988. - Pulseaudio input device

  989. - Prores encoder

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

  991. - replacement Indeo 3 decoder

  992. - new ffmpeg option: -map_channel

  993. - volume audio filter added

  994. - earwax audio filter added

  995. - libv4l2 support (--enable-libv4l2)

  996. - TLS/SSL and HTTPS protocol support

  997. - AVOptions API rewritten and documented

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

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

  1000. - Properly working defaults in libx264 wrapper, support for native presets.

  1001. - Encrypted OMA files support

  1002. - Discworld II BMV decoding support

  1003. - VBLE Decoder

  1004. - OS X Video Decoder Acceleration (VDA) support

  1005. - compact and csv output in ffprobe

  1006. - pan audio filter

  1007. - IFF Amiga Continuous Bitmap (ACBM) decoder

  1008. - ass filter

  1009. - CRI ADX audio format muxer and demuxer

  1010. - Playstation Portable PMP format demuxer

  1011. - Microsoft Windows ICO demuxer

  1012. - life source

  1013. - PCM format support in OMA demuxer

  1014. - CLJR encoder

  1015. - new option: -report

  1016. - Dxtory capture format decoder

  1017. - cellauto source

  1018. - Simple segmenting muxer

  1019. - Indeo 4 decoder

  1020. - SMJPEG demuxer

  1021. 

  1022. 

  1023. version 0.8:

  1024. 

  1025. - many many things we forgot because we rather write code than changelogs

  1026. - WebM support in Matroska de/muxer

  1027. - low overhead Ogg muxing

  1028. - MMS-TCP support

  1029. - VP8 de/encoding via libvpx

  1030. - Demuxer for On2's IVF format

  1031. - Pictor/PC Paint decoder

  1032. - HE-AAC v2 decoder

  1033. - HE-AAC v2 encoding with libaacplus

  1034. - libfaad2 wrapper removed

  1035. - DTS-ES extension (XCh) decoding support

  1036. - native VP8 decoder

  1037. - RTSP tunneling over HTTP

  1038. - RTP depacketization of SVQ3

  1039. - -strict inofficial replaced by -strict unofficial

  1040. - ffplay -exitonkeydown and -exitonmousedown options added

  1041. - native GSM / GSM MS decoder

  1042. - RTP depacketization of QDM2

  1043. - ANSI/ASCII art playback system

  1044. - Lego Mindstorms RSO de/muxer

  1045. - libavcore added (and subsequently removed)

  1046. - SubRip subtitle file muxer and demuxer

  1047. - Chinese AVS encoding via libxavs

  1048. - ffprobe -show_packets option added

  1049. - RTP packetization of Theora and Vorbis

  1050. - RTP depacketization of MP4A-LATM

  1051. - RTP packetization and depacketization of VP8

  1052. - hflip filter

  1053. - Apple HTTP Live Streaming demuxer

  1054. - a64 codec

  1055. - MMS-HTTP support

  1056. - G.722 ADPCM audio encoder/decoder

  1057. - R10k video decoder

  1058. - ocv_smooth filter

  1059. - frei0r wrapper filter

  1060. - change crop filter syntax to width:height:x:y

  1061. - make the crop filter accept parametric expressions

  1062. - make ffprobe accept AVFormatContext options

  1063. - yadif filter

  1064. - blackframe filter

  1065. - Demuxer for Leitch/Harris' VR native stream format (LXF)

  1066. - RTP depacketization of the X-QT QuickTime format

  1067. - SAP (Session Announcement Protocol, RFC 2974) muxer and demuxer

  1068. - cropdetect filter

  1069. - ffmpeg -crop* options removed

  1070. - transpose filter added

  1071. - ffmpeg -force_key_frames option added

  1072. - demuxer for receiving raw rtp:// URLs without an SDP description

  1073. - single stream LATM/LOAS decoder

  1074. - setpts filter added

  1075. - Win64 support for optimized x86 assembly functions

  1076. - MJPEG/AVI1 to JPEG/JFIF bitstream filter

  1077. - ASS subtitle encoder and decoder

  1078. - IEC 61937 encapsulation for E-AC-3, TrueHD, DTS-HD (for HDMI passthrough)

  1079. - overlay filter added

  1080. - rename aspect filter to setdar, and pixelaspect to setsar

  1081. - IEC 61937 demuxer

  1082. - Mobotix .mxg demuxer

  1083. - frei0r source added

  1084. - hqdn3d filter added

  1085. - RTP depacketization of QCELP

  1086. - FLAC parser added

  1087. - gradfun filter added

  1088. - AMR-WB decoder

  1089. - replace the ocv_smooth filter with a more generic ocv filter

  1090. - Windows Televison (WTV) demuxer

  1091. - FFmpeg metadata format muxer and demuxer

  1092. - SubRip (srt) subtitle encoder and decoder

  1093. - floating-point AC-3 encoder added

  1094. - Lagarith decoder

  1095. - ffmpeg -copytb option added

  1096. - IVF muxer added

  1097. - Wing Commander IV movies decoder added

  1098. - movie source added

  1099. - Bink version 'b' audio and video decoder

  1100. - Bitmap Brothers JV playback system

  1101. - Apple HTTP Live Streaming protocol handler

  1102. - sndio support for playback and record

  1103. - Linux framebuffer input device added

  1104. - Chronomaster DFA decoder

  1105. - DPX image encoder

  1106. - MicroDVD subtitle file muxer and demuxer

  1107. - Playstation Portable PMP format demuxer

  1108. - fieldorder video filter added

  1109. - AAC encoding via libvo-aacenc

  1110. - AMR-WB encoding via libvo-amrwbenc

  1111. - xWMA demuxer

  1112. - Mobotix MxPEG decoder

  1113. - VP8 frame-multithreading

  1114. - NEON optimizations for VP8

  1115. - Lots of deprecated API cruft removed

  1116. - fft and imdct optimizations for AVX (Sandy Bridge) processors

  1117. - showinfo filter added

  1118. - SMPTE 302M AES3 audio decoder

  1119. - Apple Core Audio Format muxer

  1120. - 9 bits and 10 bits per sample support in the H.264 decoder

  1121. - 9 bits and 10 bits FFV1 encoding / decoding

  1122. - split filter added

  1123. - select filter added

  1124. - sdl output device added

  1125. - libmpcodecs video filter support (3 times as many filters than before)

  1126. - mpeg2 aspect ratio dection fixed

  1127. - libxvid aspect pickiness fixed

  1128. - Frame multithreaded decoding

  1129. - E-AC-3 audio encoder

  1130. - ac3enc: add channel coupling support

  1131. - floating-point sample format support to the ac3, eac3, dca, aac, and vorbis decoders.

  1132. - H264/MPEG frame-level multi-threading

  1133. - All av_metadata_* functions renamed to av_dict_* and moved to libavutil

  1134. - 4:4:4 H.264 decoding support

  1135. - 10-bit H.264 optimizations for x86

  1136. - lut, lutrgb, and lutyuv filters added

  1137. - buffersink libavfilter sink added

  1138. - Bump libswscale for recently reported ABI break

  1139. - New J2K encoder (via OpenJPEG)

  1140. 

  1141. 

  1142. version 0.7:

  1143. 

  1144. - all the changes for 0.8, but keeping API/ABI compatibility with the 0.6 release

  1145. 

  1146. 

  1147. version 0.6:

  1148. 

  1149. - PB-frame decoding for H.263

  1150. - deprecated vhook subsystem removed

  1151. - deprecated old scaler removed

  1152. - VQF demuxer

  1153. - Alpha channel scaler

  1154. - PCX encoder

  1155. - RTP packetization of H.263

  1156. - RTP packetization of AMR

  1157. - RTP depacketization of Vorbis

  1158. - CorePNG decoding support

  1159. - Cook multichannel decoding support

  1160. - introduced avlanguage helpers in libavformat

  1161. - 8088flex TMV demuxer and decoder

  1162. - per-stream language-tags extraction in asfdec

  1163. - V210 decoder and encoder

  1164. - remaining GPL parts in AC-3 decoder converted to LGPL

  1165. - QCP demuxer

  1166. - SoX native format muxer and demuxer

  1167. - AMR-NB decoding/encoding, AMR-WB decoding via OpenCORE libraries

  1168. - DPX image decoder

  1169. - Electronic Arts Madcow decoder

  1170. - DivX (XSUB) subtitle encoder

  1171. - nonfree libamr support for AMR-NB/WB decoding/encoding removed

  1172. - experimental AAC encoder

  1173. - RTP depacketization of ASF and RTSP from WMS servers

  1174. - RTMP support in libavformat

  1175. - noX handling for OPT_BOOL X options

  1176. - Wave64 demuxer

  1177. - IEC-61937 compatible Muxer

  1178. - TwinVQ decoder

  1179. - Bluray (PGS) subtitle decoder

  1180. - LPCM support in MPEG-TS (HDMV RID as found on Blu-ray disks)

  1181. - WMA Pro decoder

  1182. - Core Audio Format demuxer

  1183. - ATRAC1 decoder

  1184. - MD STUDIO audio demuxer

  1185. - RF64 support in WAV demuxer

  1186. - MPEG-4 Audio Lossless Coding (ALS) decoder

  1187. - -formats option split into -formats, -codecs, -bsfs, and -protocols

  1188. - IV8 demuxer

  1189. - CDG demuxer and decoder

  1190. - R210 decoder

  1191. - Auravision Aura 1 and 2 decoders

  1192. - Deluxe Paint Animation playback system

  1193. - SIPR decoder

  1194. - Adobe Filmstrip muxer and demuxer

  1195. - RTP depacketization of H.263

  1196. - Bink demuxer and audio/video decoders

  1197. - enable symbol versioning by default for linkers that support it

  1198. - IFF PBM/ILBM bitmap decoder

  1199. - concat protocol

  1200. - Indeo 5 decoder

  1201. - RTP depacketization of AMR

  1202. - WMA Voice decoder

  1203. - ffprobe tool

  1204. - AMR-NB decoder

  1205. - RTSP muxer

  1206. - HE-AAC v1 decoder

  1207. - Kega Game Video (KGV1) decoder

  1208. - VorbisComment writing for FLAC, Ogg FLAC and Ogg Speex files

  1209. - RTP depacketization of Theora

  1210. - HTTP Digest authentication

  1211. - RTMP/RTMPT/RTMPS/RTMPE/RTMPTE protocol support via librtmp

  1212. - Psygnosis YOP demuxer and video decoder

  1213. - spectral extension support in the E-AC-3 decoder

  1214. - unsharp video filter

  1215. - RTP hinting in the mov/3gp/mp4 muxer

  1216. - Dirac in Ogg demuxing

  1217. - seek to keyframes in Ogg

  1218. - 4:2:2 and 4:4:4 Theora decoding

  1219. - 35% faster VP3/Theora decoding

  1220. - faster AAC decoding

  1221. - faster H.264 decoding

  1222. - RealAudio 1.0 (14.4K) encoder

  1223. 

  1224. 

  1225. version 0.5:

  1226. 

  1227. - DV50 AKA DVCPRO50 encoder, decoder, muxer and demuxer

  1228. - TechSmith Camtasia (TSCC) video decoder

  1229. - IBM Ultimotion (ULTI) video decoder

  1230. - Sierra Online audio file demuxer and decoder

  1231. - Apple QuickDraw (qdrw) video decoder

  1232. - Creative ADPCM audio decoder (16 bits as well as 8 bits schemes)

  1233. - Electronic Arts Multimedia (WVE/UV2/etc.) file demuxer

  1234. - Miro VideoXL (VIXL) video decoder

  1235. - H.261 video encoder

  1236. - QPEG video decoder

  1237. - Nullsoft Video (NSV) file demuxer

  1238. - Shorten audio decoder

  1239. - LOCO video decoder

  1240. - Apple Lossless Audio Codec (ALAC) decoder

  1241. - Winnov WNV1 video decoder

  1242. - Autodesk Animator Studio Codec (AASC) decoder

  1243. - Indeo 2 video decoder

  1244. - Fraps FPS1 video decoder

  1245. - Snow video encoder/decoder

  1246. - Sonic audio encoder/decoder

  1247. - Vorbis audio decoder

  1248. - Macromedia ADPCM decoder

  1249. - Duck TrueMotion 2 video decoder

  1250. - support for decoding FLX and DTA extensions in FLIC files

  1251. - H.264 custom quantization matrices support

  1252. - ffserver fixed, it should now be usable again

  1253. - QDM2 audio decoder

  1254. - Real Cooker audio decoder

  1255. - TrueSpeech audio decoder

  1256. - WMA2 audio decoder fixed, now all files should play correctly

  1257. - RealAudio 14.4 and 28.8 decoders fixed

  1258. - JPEG-LS decoder

  1259. - build system improvements

  1260. - tabs and trailing whitespace removed from the codebase

  1261. - CamStudio video decoder

  1262. - AIFF/AIFF-C audio format, encoding and decoding

  1263. - ADTS AAC file reading and writing

  1264. - Creative VOC file reading and writing

  1265. - American Laser Games multimedia (*.mm) playback system

  1266. - Zip Motion Blocks Video decoder

  1267. - improved Theora/VP3 decoder

  1268. - True Audio (TTA) decoder

  1269. - AVS demuxer and video decoder

  1270. - JPEG-LS encoder

  1271. - Smacker demuxer and decoder

  1272. - NuppelVideo/MythTV demuxer and RTjpeg decoder

  1273. - KMVC decoder

  1274. - MPEG-2 intra VLC support

  1275. - MPEG-2 4:2:2 encoder

  1276. - Flash Screen Video decoder

  1277. - GXF demuxer

  1278. - Chinese AVS decoder

  1279. - GXF muxer

  1280. - MXF demuxer

  1281. - VC-1/WMV3/WMV9 video decoder

  1282. - MacIntel support

  1283. - AviSynth support

  1284. - VMware video decoder

  1285. - VP5 video decoder

  1286. - VP6 video decoder

  1287. - WavPack lossless audio decoder

  1288. - Targa (.TGA) picture decoder

  1289. - Vorbis audio encoder

  1290. - Delphine Software .cin demuxer/audio and video decoder

  1291. - Tiertex .seq demuxer/video decoder

  1292. - MTV demuxer

  1293. - TIFF picture encoder and decoder

  1294. - GIF picture decoder

  1295. - Intel Music Coder decoder

  1296. - Zip Motion Blocks Video encoder

  1297. - Musepack decoder

  1298. - Flash Screen Video encoder

  1299. - Theora encoding via libtheora

  1300. - BMP encoder

  1301. - WMA encoder

  1302. - GSM-MS encoder and decoder

  1303. - DCA decoder

  1304. - DXA demuxer and decoder

  1305. - DNxHD decoder

  1306. - Gamecube movie (.THP) playback system

  1307. - Blackfin optimizations

  1308. - Interplay C93 demuxer and video decoder

  1309. - Bethsoft VID demuxer and video decoder

  1310. - CRYO APC demuxer

  1311. - ATRAC3 decoder

  1312. - V.Flash PTX decoder

  1313. - RoQ muxer, RoQ audio encoder

  1314. - Renderware TXD demuxer and decoder

  1315. - extern C declarations for C++ removed from headers

  1316. - sws_flags command line option

  1317. - codebook generator

  1318. - RoQ video encoder

  1319. - QTRLE encoder

  1320. - OS/2 support removed and restored again

  1321. - AC-3 decoder

  1322. - NUT muxer

  1323. - additional SPARC (VIS) optimizations

  1324. - Matroska muxer

  1325. - slice-based parallel H.264 decoding

  1326. - Monkey's Audio demuxer and decoder

  1327. - AMV audio and video decoder

  1328. - DNxHD encoder

  1329. - H.264 PAFF decoding

  1330. - Nellymoser ASAO decoder

  1331. - Beam Software SIFF demuxer and decoder

  1332. - libvorbis Vorbis decoding removed in favor of native decoder

  1333. - IntraX8 (J-Frame) subdecoder for WMV2 and VC-1

  1334. - Ogg (Theora, Vorbis and FLAC) muxer

  1335. - The "device" muxers and demuxers are now in a new libavdevice library

  1336. - PC Paintbrush PCX decoder

  1337. - Sun Rasterfile decoder

  1338. - TechnoTrend PVA demuxer

  1339. - Linux Media Labs MPEG-4 (LMLM4) demuxer

  1340. - AVM2 (Flash 9) SWF muxer

  1341. - QT variant of IMA ADPCM encoder

  1342. - VFW grabber

  1343. - iPod/iPhone compatible mp4 muxer

  1344. - Mimic decoder

  1345. - MSN TCP Webcam stream demuxer

  1346. - RL2 demuxer / decoder

  1347. - IFF demuxer

  1348. - 8SVX audio decoder

  1349. - non-recursive Makefiles

  1350. - BFI demuxer

  1351. - MAXIS EA XA (.xa) demuxer / decoder

  1352. - BFI video decoder

  1353. - OMA demuxer

  1354. - MLP/TrueHD decoder

  1355. - Electronic Arts CMV decoder

  1356. - Motion Pixels Video decoder

  1357. - Motion Pixels MVI demuxer

  1358. - removed animated GIF decoder/demuxer

  1359. - D-Cinema audio muxer

  1360. - Electronic Arts TGV decoder

  1361. - Apple Lossless Audio Codec (ALAC) encoder

  1362. - AAC decoder

  1363. - floating point PCM encoder/decoder

  1364. - MXF muxer

  1365. - DV100 AKA DVCPRO HD decoder and demuxer

  1366. - E-AC-3 support added to AC-3 decoder

  1367. - Nellymoser ASAO encoder

  1368. - ASS and SSA demuxer and muxer

  1369. - liba52 wrapper removed

  1370. - SVQ3 watermark decoding support

  1371. - Speex decoding via libspeex

  1372. - Electronic Arts TGQ decoder

  1373. - RV40 decoder

  1374. - QCELP / PureVoice decoder

  1375. - RV30 decoder

  1376. - hybrid WavPack support

  1377. - R3D REDCODE demuxer

  1378. - ALSA support for playback and record

  1379. - Electronic Arts TQI decoder

  1380. - OpenJPEG based JPEG 2000 decoder

  1381. - NC (NC4600) camera file demuxer

  1382. - Gopher client support

  1383. - MXF D-10 muxer

  1384. - generic metadata API

  1385. - flash ScreenVideo2 encoder

  1386. 

  1387. 

  1388. version 0.4.9-pre1:

  1389. 

  1390. - DV encoder, DV muxer

  1391. - Microsoft RLE video decoder

  1392. - Microsoft Video-1 decoder

  1393. - Apple Animation (RLE) decoder

  1394. - Apple Graphics (SMC) decoder

  1395. - Apple Video (RPZA) decoder

  1396. - Cinepak decoder

  1397. - Sega FILM (CPK) file demuxer

  1398. - Westwood multimedia support (VQA & AUD files)

  1399. - Id Quake II CIN playback support

  1400. - 8BPS video decoder

  1401. - FLIC playback support

  1402. - RealVideo 2.0 (RV20) decoder

  1403. - Duck TrueMotion v1 (DUCK) video decoder

  1404. - Sierra VMD demuxer and video decoder

  1405. - MSZH and ZLIB decoder support

  1406. - SVQ1 video encoder

  1407. - AMR-WB support

  1408. - PPC optimizations

  1409. - rate distortion optimal cbp support

  1410. - rate distorted optimal ac prediction for MPEG-4

  1411. - rate distorted optimal lambda->qp support

  1412. - AAC encoding with libfaac

  1413. - Sunplus JPEG codec (SP5X) support

  1414. - use Lagrange multiplier instead of QP for ratecontrol

  1415. - Theora/VP3 decoding support

  1416. - XA and ADX ADPCM codecs

  1417. - export MPEG-2 active display area / pan scan

  1418. - Add support for configuring with IBM XLC

  1419. - floating point AAN DCT

  1420. - initial support for zygo video (not complete)

  1421. - RGB ffv1 support

  1422. - new audio/video parser API

  1423. - av_log() system

  1424. - av_read_frame() and av_seek_frame() support

  1425. - missing last frame fixes

  1426. - seek by mouse in ffplay

  1427. - noise reduction of DCT coefficients

  1428. - H.263 OBMC & 4MV support

  1429. - H.263 alternative inter vlc support

  1430. - H.263 loop filter

  1431. - H.263 slice structured mode

  1432. - interlaced DCT support for MPEG-2 encoding

  1433. - stuffing to stay above min_bitrate

  1434. - MB type & QP visualization

  1435. - frame stepping for ffplay

  1436. - interlaced motion estimation

  1437. - alternate scantable support

  1438. - SVCD scan offset support

  1439. - closed GOP support

  1440. - SSE2 FDCT

  1441. - quantizer noise shaping

  1442. - G.726 ADPCM audio codec

  1443. - MS ADPCM encoding

  1444. - multithreaded/SMP motion estimation

  1445. - multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263

  1446. - multithreaded/SMP decoding for MPEG-2

  1447. - FLAC decoder

  1448. - Metrowerks CodeWarrior suppport

  1449. - H.263+ custom pcf support

  1450. - nicer output for 'ffmpeg -formats'

  1451. - Matroska demuxer

  1452. - SGI image format, encoding and decoding

  1453. - H.264 loop filter support

  1454. - H.264 CABAC support

  1455. - nicer looking arrows for the motion vector visualization

  1456. - improved VCD support

  1457. - audio timestamp drift compensation

  1458. - MPEG-2 YUV 422/444 support

  1459. - polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample

  1460. - better image scaling

  1461. - H.261 support

  1462. - correctly interleave packets during encoding

  1463. - VIS optimized motion compensation

  1464. - intra_dc_precision>0 encoding support

  1465. - support reuse of motion vectors/MB types/field select values of the source video

  1466. - more accurate deblock filter

  1467. - padding support

  1468. - many optimizations and bugfixes

  1469. - FunCom ISS audio file demuxer and according ADPCM decoding

  1470. 

  1471. 

  1472. version 0.4.8:

  1473. 

  1474. - MPEG-2 video encoding (Michael)

  1475. - Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)

  1476. - Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson

  1477.   and Mario Brito)

  1478. - Xan DPCM audio decoder (Mario Brito)

  1479. - Interplay MVE playback subsystem (Mike Melanson)

  1480. - Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)

  1481. 

  1482. 

  1483. version 0.4.7:

  1484. 

  1485. - RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from mplayerhq

  1486.   (originally from public domain player for Amiga at http://www.honeypot.net/audio)

  1487. - current version now also compiles with older GCC (Fabrice)

  1488. - 4X multimedia playback system including 4xm file demuxer (Mike

  1489.   Melanson), and 4X video and audio codecs (Michael)

  1490. - Creative YUV (CYUV) decoder (Mike Melanson)

  1491. - FFV1 codec (our very simple lossless intra only codec, compresses much better

  1492.   than HuffYUV) (Michael)

  1493. - ASV1 (Asus), H.264, Intel indeo3 codecs have been added (various)

  1494. - tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with

  1495.   alpha support), JPEG YUV colorspace support. (Fabrice Bellard)

  1496. - ffplay has been replaced with a newer version which uses SDL (optionally)

  1497.   for multiplatform support (Fabrice)

  1498. - Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated

  1499.   by anonymous

  1500. - AMR format has been added (Johannes Carlsson)

  1501. - 3GP support has been added (Johannes Carlsson)

  1502. - VP3 codec has been added (Mike Melanson)

  1503. - more MPEG-1/2 fixes

  1504. - better multiplatform support, MS Visual Studio fixes (various)

  1505. - AltiVec optimizations (Magnus Damn and others)

  1506. - SH4 processor support has been added (BERO)

  1507. - new public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)

  1508. - VOB streaming support (Brian Foley)

  1509. - better MP3 autodetection (Andriy Rysin)

  1510. - qpel encoding (Michael)

  1511. - 4mv+b frames encoding finally fixed (Michael)

  1512. - chroma ME (Michael)

  1513. - 5 comparison functions for ME (Michael)

  1514. - B-frame encoding speedup (Michael)

  1515. - WMV2 codec (unfinished - Michael)

  1516. - user specified diamond size for EPZS (Michael)

  1517. - Playstation STR playback subsystem, still experimental (Mike and Michael)

  1518. - ASV2 codec (Michael)

  1519. - CLJR decoder (Alex)

  1520. 

  1521. .. And lots more new enhancements and fixes.

  1522. 

  1523. 

  1524. version 0.4.6:

  1525. 

  1526. - completely new integer only MPEG audio layer 1/2/3 decoder rewritten

  1527.   from scratch

  1528. - Recoded DCT and motion vector search with gcc (no longer depends on nasm)

  1529. - fix quantization bug in AC3 encoder

  1530. - added PCM codecs and format. Corrected WAV/AVI/ASF PCM issues

  1531. - added prototype ffplay program

  1532. - added GOB header parsing on H.263/H.263+ decoder (Juanjo)

  1533. - bug fix on MCBPC tables of H.263 (Juanjo)

  1534. - bug fix on DC coefficients of H.263 (Juanjo)

  1535. - added Advanced Prediction Mode on H.263/H.263+ decoder (Juanjo)

  1536. - now we can decode H.263 streams found in QuickTime files (Juanjo)

  1537. - now we can decode H.263 streams found in VIVO v1 files(Juanjo)

  1538. - preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)

  1539. - added GOB header for H.263/H.263+ coding on RTP mode (Juanjo)

  1540. - now H.263 picture size is returned on the first decoded frame (Juanjo)

  1541. - added first regression tests

  1542. - added MPEG-2 TS demuxer

  1543. - new demux API for libav

  1544. - more accurate and faster IDCT (Michael)

  1545. - faster and entropy-controlled motion search (Michael)

  1546. - two pass video encoding (Michael)

  1547. - new video rate control (Michael)

  1548. - added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)

  1549. - great performance improvement of video encoders and decoders (Michael)

  1550. - new and faster bit readers and vlc parsers (Michael)

  1551. - high quality encoding mode: tries all macroblock/VLC types (Michael)

  1552. - added DV video decoder

  1553. - preliminary RTP/RTSP support in ffserver and libavformat

  1554. - H.263+ AIC decoding/encoding support (Juanjo)

  1555. - VCD MPEG-PS mode (Juanjo)

  1556. - PSNR stuff (Juanjo)

  1557. - simple stats output (Juanjo)

  1558. - 16-bit and 15-bit RGB/BGR/GBR support (Bisqwit)

  1559. 

  1560. 

  1561. version 0.4.5:

  1562. 

  1563. - some header fixes (Zdenek Kabelac <kabi at informatics.muni.cz>)

  1564. - many MMX optimizations (Nick Kurshev <nickols_k at mail.ru>)

  1565. - added configure system (actually a small shell script)

  1566. - added MPEG audio layer 1/2/3 decoding using LGPL'ed mpglib by

  1567.   Michael Hipp (temporary solution - waiting for integer only

  1568.   decoder)

  1569. - fixed VIDIOCSYNC interrupt

  1570. - added Intel H.263 decoding support ('I263' AVI fourCC)

  1571. - added Real Video 1.0 decoding (needs further testing)

  1572. - simplified image formats again. Added PGM format (=grey

  1573.   pgm). Renamed old PGM to PGMYUV.

  1574. - fixed msmpeg4 slice issues (tell me if you still find problems)

  1575. - fixed OpenDivX bugs with newer versions (added VOL header decoding)

  1576. - added support for MPlayer interface

  1577. - added macroblock skip optimization

  1578. - added MJPEG decoder

  1579. - added mmx/mmxext IDCT from libmpeg2

  1580. - added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer

  1581.   <celer at shell.scrypt.net>)

  1582. - added pixel format conversion layer (e.g. for MJPEG or PPM)

  1583. - added deinterlacing option

  1584. - MPEG-1/2 fixes

  1585. - MPEG-4 vol header fixes (Jonathan Marsden <snmjbm at pacbell.net>)

  1586. - ARM optimizations (Lionel Ulmer <lionel.ulmer at free.fr>).

  1587. - Windows porting of file converter

  1588. - added MJPEG raw format (input/output)

  1589. - added JPEG image format support (input/output)

  1590. 

  1591. 

  1592. version 0.4.4:

  1593. 

  1594. - fixed some std header definitions (Bjorn Lindgren

  1595.   <bjorn.e.lindgren at telia.com>).

  1596. - added MPEG demuxer (MPEG-1 and 2 compatible).

  1597. - added ASF demuxer

  1598. - added prototype RM demuxer

  1599. - added AC3 decoding (done with libac3 by Aaron Holtzman)

  1600. - added decoding codec parameter guessing (.e.g. for MPEG, because the

  1601.   header does not include them)

  1602. - fixed header generation in MPEG-1, AVI and ASF muxer: wmplayer can now

  1603.   play them (only tested video)

  1604. - fixed H.263 white bug

  1605. - fixed phase rounding in img resample filter

  1606. - add MMX code for polyphase img resample filter

  1607. - added CPU autodetection

  1608. - added generic title/author/copyright/comment string handling (ASF and RM

  1609.   use them)

  1610. - added SWF demux to extract MP3 track (not usable yet because no MP3

  1611.   decoder)

  1612. - added fractional frame rate support

  1613. - codecs are no longer searched by read_header() (should fix ffserver

  1614.   segfault)

  1615. 

  1616. 

  1617. version 0.4.3:

  1618. 

  1619. - BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq at amsat.org>)

  1620. - fixed raw yuv output

  1621. - added motion rounding support in MPEG-4

  1622. - fixed motion bug rounding in MSMPEG4

  1623. - added B-frame handling in video core

  1624. - added full MPEG-1 decoding support

  1625. - added partial (frame only) MPEG-2 support

  1626. - changed the FOURCC code for H.263 to "U263" to be able to see the

  1627.   +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with

  1628.   this +codec ;) (JuanJo).

  1629. - Halfpel motion estimation after MB type selection (JuanJo)

  1630. - added pgm and .Y.U.V output format

  1631. - suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or

  1632.   output.

  1633. - added pgmpipe I/O format (original patch from Martin Aumueller

  1634.   <lists at reserv.at>, but changed completely since we use a format

  1635.   instead of a protocol)

  1636. 

  1637. 

  1638. version 0.4.2:

  1639. 

  1640. - added H.263/MPEG-4/MSMPEG4 decoding support. MPEG-4 decoding support

  1641.   (for OpenDivX) is almost complete: 8x8 MVs and rounding are

  1642.   missing. MSMPEG4 support is complete.

  1643. - added prototype MPEG-1 decoder. Only I- and P-frames handled yet (it

  1644.   can decode ffmpeg MPEGs :-)).

  1645. - added libavcodec API documentation (see apiexample.c).

  1646. - fixed image polyphase bug (the bottom of some images could be

  1647.   greenish)

  1648. - added support for non clipped motion vectors (decoding only)

  1649.   and image sizes non-multiple of 16

  1650. - added support for AC prediction (decoding only)

  1651. - added file overwrite confirmation (can be disabled with -y)

  1652. - added custom size picture to H.263 using H.263+ (Juanjo)

  1653. 

  1654. 

  1655. version 0.4.1:

  1656. 

  1657. - added MSMPEG4 (aka DivX) compatible encoder. Changed default codec

  1658.   of AVI and ASF to DIV3.

  1659. - added -me option to set motion estimation method

  1660.   (default=log). suppressed redundant -hq option.

  1661. - added options -acodec and -vcodec to force a given codec (useful for

  1662.   AVI for example)

  1663. - fixed -an option

  1664. - improved dct_quantize speed

  1665. - factorized some motion estimation code

  1666. 

  1667. 

  1668. version 0.4.0:

  1669. 

  1670. - removing grab code from ffserver and moved it to ffmpeg. Added

  1671.   multistream support to ffmpeg.

  1672. - added timeshifting support for live feeds (option ?date=xxx in the

  1673.   URL)

  1674. - added high quality image resize code with polyphase filter (need

  1675.   mmx/see optimization). Enable multiple image size support in ffserver.

  1676. - added multi live feed support in ffserver

  1677. - suppressed master feature from ffserver (it should be done with an

  1678.   external program which opens the .ffm url and writes it to another

  1679.   ffserver)

  1680. - added preliminary support for video stream parsing (WAV and AVI half

  1681.   done). Added proper support for audio/video file conversion in

  1682.   ffmpeg.

  1683. - added preliminary support for video file sending from ffserver

  1684. - redesigning I/O subsystem: now using URL based input and output

  1685.   (see avio.h)

  1686. - added WAV format support

  1687. - added "tty user interface" to ffmpeg to stop grabbing gracefully

  1688. - added MMX/SSE optimizations to SAD (Sums of Absolutes Differences)

  1689.   (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo at atmlab.utfsm.cl>)

  1690. - added MMX DCT from mpeg2_movie 1.5 (Juanjo)

  1691. - added new motion estimation algorithms, log and phods (Juanjo)

  1692. - changed directories: libav for format handling, libavcodec for

  1693.   codecs

  1694. 

  1695. 

  1696. version 0.3.4:

  1697. 

  1698. - added stereo in MPEG audio encoder

  1699. 

  1700. 

  1701. version 0.3.3:

  1702. 

  1703. - added 'high quality' mode which use motion vectors. It can be used in

  1704.   real time at low resolution.

  1705. - fixed rounding problems which caused quality problems at high

  1706.   bitrates and large GOP size

  1707. 

  1708. 

  1709. version 0.3.2: small fixes

  1710. 

  1711. - ASF fixes

  1712. - put_seek bug fix

  1713. 

  1714. 

  1715. version 0.3.1: added avi/divx support

  1716. 

  1717. - added AVI support

  1718. - added MPEG-4 codec compatible with OpenDivX. It is based on the H.263 codec

  1719. - added sound for flash format (not tested)

  1720. 

  1721. 

  1722. version 0.3: initial public release