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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. - tpad filter

  6. - AV1 decoding support through libdav1d

  7. - dedot filter

  8. - chromashift and rgbashift filters

  9. - freezedetect filter

  10. - truehd_core bitstream filter

  11. - dhav demuxer

  12. - PCM-DVD encoder

  13. - GIF parser

  14. - vividas demuxer

  15. - hymt decoder

  16. - anlmdn filter

  17. - maskfun filter

  18. - hcom demuxer and decoder

  19. - ARBC decoder

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

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

  22. - removed libndi-newtek

  23. - agm decoder

  24. - KUX demuxer

  25. - AV1 frame split bitstream filter

  26. - lscr decoder

  27. - lagfun filter

  28. - asoftclip filter

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

  30. - colorhold filter

  31. - xmedian filter

  32. - asr filter

  33. - showspatial multimedia filter

  34. - VP4 video decoder

  35. 

  36. 

  37. version 4.1:

  38. - deblock filter

  39. - tmix filter

  40. - amplify filter

  41. - fftdnoiz filter

  42. - aderivative and aintegral audio filters

  43. - pal75bars and pal100bars video filter sources

  44. - support mbedTLS based TLS

  45. - adeclick filter

  46. - adeclip filter

  47. - libtensorflow backend for DNN based filters like srcnn

  48. - vc1 decoder is now bit-exact

  49. - ATRAC9 decoder

  50. - lensfun wrapper filter

  51. - colorconstancy filter

  52. - AVS2 video decoder via libdavs2

  53. - IMM4 video decoder

  54. - Brooktree ProSumer video decoder

  55. - MatchWare Screen Capture Codec decoder

  56. - WinCam Motion Video decoder

  57. - 1D LUT filter (lut1d)

  58. - RemotelyAnywhere Screen Capture decoder

  59. - cue and acue filters

  60. - support for AV1 in MP4

  61. - transpose_npp filter

  62. - AVS2 video encoder via libxavs2

  63. - amultiply filter

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

  65. - acrossover filter

  66. - ilbc decoder

  67. - audio denoiser as afftdn filter

  68. - AV1 parser

  69. - SER demuxer

  70. - sinc audio filter source

  71. - chromahold filter

  72. - setparams filter

  73. - vibrance filter

  74. - decoding S12M timecode in h264

  75. - xstack filter

  76. - pcm vidc decoder and encoder

  77. - (a)graphmonitor filter

  78. - yadif_cuda filter

  79. 

  80. 

  81. version 4.0:

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

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

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

  85. - VDA dropped (use VideoToolbox instead)

  86. - MagicYUV encoder

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

  88. - TiVo ty/ty+ demuxer

  89. - Intel QSV-accelerated MJPEG encoding

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

  91. - native aptX and aptX HD encoder and decoder

  92. - Raw aptX and aptX HD muxer and demuxer

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

  94. - Intel QSV-accelerated overlay filter

  95. - mcompand audio filter

  96. - acontrast audio filter

  97. - OpenCL overlay filter

  98. - video mix filter

  99. - video normalize filter

  100. - audio lv2 wrapper filter

  101. - VAAPI MJPEG and VP8 decoding

  102. - AMD AMF H.264 and HEVC encoders

  103. - video fillborders filter

  104. - video setrange filter

  105. - nsp demuxer

  106. - support LibreSSL (via libtls)

  107. - AVX-512/ZMM support added

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

  109.   version is Windows Vista.

  110. - deconvolve video filter

  111. - entropy video filter

  112. - hilbert audio filter source

  113. - aiir audio filter

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

  115. - Removed the ffserver program

  116. - Removed the ffmenc and ffmdec muxer and demuxer

  117. - VideoToolbox HEVC encoder and hwaccel

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

  119. - Add android_camera indev

  120. - codec2 en/decoding via libcodec2

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

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

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

  124. - native SBC encoder and decoder

  125. - drmeter audio filter

  126. - hapqa_extract bitstream filter

  127. - filter_units bitstream filter

  128. - AV1 Support through libaom

  129. - E-AC-3 dependent frames support

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

  131. - Haivision SRT protocol via libsrt

  132. - segafilm muxer

  133. - vfrdet filter

  134. - SRCNN filter

  135. 

  136. 

  137. version 3.4:

  138. - deflicker video filter

  139. - doubleweave video filter

  140. - lumakey video filter

  141. - pixscope video filter

  142. - oscilloscope video filter

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

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

  145. - afir audio filter

  146. - scale_cuda CUDA based video scale filter

  147. - librsvg support for svg rasterization

  148. - crossfeed audio filter

  149. - spec compliant VP9 muxing support in MP4

  150. - remove the libnut muxer/demuxer wrappers

  151. - remove the libschroedinger encoder/decoder wrappers

  152. - surround audio filter

  153. - sofalizer filter switched to libmysofa

  154. - Gremlin Digital Video demuxer and decoder

  155. - headphone audio filter

  156. - superequalizer audio filter

  157. - roberts video filter

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

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

  160. - additional frame format support for Interplay MVE movies

  161. - support for decoding through D3D11VA in ffmpeg

  162. - limiter video filter

  163. - libvmaf video filter

  164. - Dolby E decoder and SMPTE 337M demuxer

  165. - unpremultiply video filter

  166. - tlut2 video filter

  167. - floodfill video filter

  168. - pseudocolor video filter

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

  170. - NewTek NDI input/output device

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

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

  173.   They must always be used by name.

  174. - FITS demuxer and decoder

  175. - FITS muxer and encoder

  176. - add --disable-autodetect build switch

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

  178. - despill video filter

  179. - haas audio filter

  180. - SUP/PGS subtitle muxer

  181. - convolve video filter

  182. - VP9 tile threading support

  183. - KMS screen grabber

  184. - CUDA thumbnail filter

  185. - V4L2 mem2mem HW assisted codecs

  186. - Rockchip MPP hardware decoding

  187. - vmafmotion video filter

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

  189. 

  190. 

  191. version 3.3:

  192. - CrystalHD decoder moved to new decode API

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

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

  195. - premultiply video filter

  196. - Support for spherical videos

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

  198. - PSD Decoder

  199. - 16.8 floating point pcm decoder

  200. - 24.0 floating point pcm decoder

  201. - Apple Pixlet decoder

  202. - QDMC audio decoder

  203. - NewTek SpeedHQ decoder

  204. - MIDI Sample Dump Standard demuxer

  205. - readeia608 filter

  206. - Sample Dump eXchange demuxer

  207. - abitscope multimedia filter

  208. - Scenarist Closed Captions demuxer and muxer

  209. - threshold filter

  210. - midequalizer filter

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

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

  213. - FM Screen Capture Codec decoder

  214. - native Opus encoder

  215. - ScreenPressor decoder

  216. - incomplete ClearVideo decoder

  217. - Intel QSV video scaling and deinterlacing filters

  218. - Support MOV with multiple sample description tables

  219. - XPM decoder

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

  221. - MPEG-7 Video Signature filter

  222. - Removed asyncts filter (use af_aresample instead)

  223. - Intel QSV-accelerated VP8 video decoding

  224. - VAAPI-accelerated deinterlacing

  225. 

  226. 

  227. version 3.2:

  228. - libopenmpt demuxer

  229. - tee protocol

  230. - Changed metadata print option to accept general urls

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

  232. - VP8 in Ogg muxing

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

  234. - 16-bit support in curves filter and selectivecolor filter

  235. - OpenH264 decoder wrapper

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

  237. - True Audio (TTA) muxer

  238. - crystalizer audio filter

  239. - acrusher audio filter

  240. - bitplanenoise video filter

  241. - floating point support in als decoder

  242. - fifo muxer

  243. - maskedclamp filter

  244. - hysteresis filter

  245. - lut2 filter

  246. - yuvtestsrc filter

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

  248. - vaguedenoiser filter

  249. - added threads option per filter instance

  250. - weave filter

  251. - gblur filter

  252. - avgblur filter

  253. - sobel and prewitt filter

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

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

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

  257. - sdl2 output device and ffplay support

  258. - sdl1 output device and sdl1 support removed

  259. - extended mov edit list support

  260. - libfaac encoder removed

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

  262. - sidedata video and asidedata audio filter

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

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

  265. 

  266. 

  267. version 3.1:

  268. - DXVA2-accelerated HEVC Main10 decoding

  269. - fieldhint filter

  270. - loop video filter and aloop audio filter

  271. - Bob Weaver deinterlacing filter

  272. - firequalizer filter

  273. - datascope filter

  274. - bench and abench filters

  275. - ciescope filter

  276. - protocol blacklisting API

  277. - MediaCodec H264 decoding

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

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

  280. - AudioToolbox audio decoders

  281. - AudioToolbox audio encoders

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

  283. - libdcadec removed

  284. - bitstream filter for extracting DTS core

  285. - ADPCM IMA DAT4 decoder

  286. - musx demuxer

  287. - aix demuxer

  288. - remap filter

  289. - hash and framehash muxers

  290. - colorspace filter

  291. - hdcd filter

  292. - readvitc filter

  293. - VAAPI-accelerated format conversion and scaling

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

  295. - Duck TrueMotion 2.0 Real Time decoder

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

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

  298. - DTS Express (LBR) decoder

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

  300. - IFF ANIM demuxer & decoder

  301. - Direct Stream Transfer (DST) decoder

  302. - loudnorm filter

  303. - MTAF demuxer and decoder

  304. - MagicYUV decoder

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

  306. - BitJazz SheerVideo decoder

  307. - CUDA CUVID H264/HEVC decoder

  308. - 10-bit depth support in native utvideo decoder

  309. - libutvideo wrapper removed

  310. - YUY2 Lossless Codec decoder

  311. - VideoToolbox H.264 encoder

  312. 

  313. 

  314. version 3.0:

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

  316. - DXV decoding

  317. - extrastereo filter

  318. - ocr filter

  319. - alimiter filter

  320. - stereowiden filter

  321. - stereotools filter

  322. - rubberband filter

  323. - tremolo filter

  324. - agate filter

  325. - chromakey filter

  326. - maskedmerge filter

  327. - Screenpresso SPV1 decoding

  328. - chromaprint fingerprinting muxer

  329. - ffplay dynamic volume control

  330. - displace filter

  331. - selectivecolor filter

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

  333. - ADPCM PSX decoder

  334. - 3dostr, dcstr, fsb, genh, vag, xvag, ads, msf, svag & vpk demuxer

  335. - zscale filter

  336. - wve demuxer

  337. - zero-copy Intel QSV transcoding in ffmpeg

  338. - shuffleframes filter

  339. - SDX2 DPCM decoder

  340. - vibrato filter

  341. - innoHeim/Rsupport Screen Capture Codec decoder

  342. - ADPCM AICA decoder

  343. - Interplay ACM demuxer and audio decoder

  344. - XMA1 & XMA2 decoder

  345. - realtime filter

  346. - anoisesrc audio filter source

  347. - IVR demuxer

  348. - compensationdelay filter

  349. - acompressor filter

  350. - support encoding 16-bit RLE SGI images

  351. - apulsator filter

  352. - sidechaingate audio filter

  353. - mipsdspr1 option has been renamed to mipsdsp

  354. - aemphasis filter

  355. - mips32r5 option has been removed

  356. - mips64r6 option has been removed

  357. - DXVA2-accelerated VP9 decoding

  358. - SOFAlizer: virtual binaural acoustics filter

  359. - VAAPI VP9 hwaccel

  360. - audio high-order multiband parametric equalizer

  361. - automatic bitstream filtering

  362. - showspectrumpic filter

  363. - libstagefright support removed

  364. - spectrumsynth filter

  365. - ahistogram filter

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

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

  368. - afftfilt filter

  369. - convolution filter

  370. - libquvi support removed

  371. - support for dvaudio in wav and avi

  372. - libaacplus and libvo-aacenc support removed

  373. - Cineform HD decoder

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

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

  376. - nnedi deinterlacer

  377. - streamselect video and astreamselect audio filter

  378. - swaprect filter

  379. - metadata video and ametadata audio filter

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

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

  382. 

  383. 

  384. version 2.8:

  385. - colorkey video filter

  386. - BFSTM/BCSTM demuxer

  387. - little-endian ADPCM_THP decoder

  388. - Hap decoder and encoder

  389. - DirectDraw Surface image/texture decoder

  390. - ssim filter

  391. - optional new ASF demuxer

  392. - showvolume filter

  393. - Many improvements to the JPEG 2000 decoder

  394. - Go2Meeting decoding support

  395. - adrawgraph audio and drawgraph video filter

  396. - removegrain video filter

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

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

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

  400. - libkvazaar HEVC encoder

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

  402. - Dynamic Audio Normalizer as dynaudnorm filter

  403. - Reverse video and areverse audio filter

  404. - Random filter

  405. - deband filter

  406. - AAC fixed-point decoding

  407. - sidechaincompress audio filter

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

  409. - acrossfade audio filter

  410. - allyuv and allrgb video sources

  411. - atadenoise video filter

  412. - OS X VideoToolbox support

  413. - aphasemeter filter

  414. - showfreqs filter

  415. - vectorscope filter

  416. - waveform filter

  417. - hstack and vstack filter

  418. - Support DNx100 (1440x1080@8)

  419. - VAAPI hevc hwaccel

  420. - VDPAU hevc hwaccel

  421. - framerate filter

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

  423. - Removed experimental flag from the JPEG 2000 encoder

  424. 

  425. 

  426. version 2.7:

  427. - FFT video filter

  428. - TDSC decoder

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

  430. - showwavespic filter

  431. - DTS decoding through libdcadec

  432. - Drop support for nvenc API before 5.0

  433. - nvenc HEVC encoder

  434. - Detelecine filter

  435. - Intel QSV-accelerated H.264 encoding

  436. - MMAL-accelerated H.264 decoding

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

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

  439. - WebM Live Chunk Muxer

  440. - nvenc level and tier options

  441. - chorus filter

  442. - Canopus HQ/HQA decoder

  443. - Automatically rotate videos based on metadata in ffmpeg

  444. - improved Quickdraw compatibility

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

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

  447. - Direct3D11-accelerated decoding

  448. - Support Secure Transport

  449. - Multipart JPEG demuxer

  450. 

  451. 

  452. version 2.6:

  453. - nvenc encoder

  454. - 10bit spp filter

  455. - colorlevels filter

  456. - RIFX format for *.wav files

  457. - RTP/mpegts muxer

  458. - non continuous cache protocol support

  459. - tblend filter

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

  461. - Camellia symmetric block cipher

  462. - OpenH264 encoder wrapper

  463. - VOC seeking support

  464. - Closed caption Decoder

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

  466. - showpalette filter

  467. - Twofish symmetric block cipher

  468. - Support DNx100 (960x720@8)

  469. - eq2 filter ported from libmpcodecs as eq filter

  470. - removed libmpcodecs

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

  472. - ported softpulldown filter from libmpcodecs as repeatfields filter

  473. - dcshift filter

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

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

  476. - palettegen and paletteuse filters

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

  478. - RTP depacketizer for DV (RFC 6469)

  479. - DXVA2-accelerated HEVC decoding

  480. - AAC ELD 480 decoding

  481. - Intel QSV-accelerated H.264 decoding

  482. - DSS SP decoder and DSS demuxer

  483. - Fix stsd atom corruption in DNxHD QuickTimes

  484. - Canopus HQX decoder

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

  486. - Port MIPS optimizations to 64-bit

  487. 

  488. 

  489. version 2.5:

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

  491. - SUP/PGS subtitle demuxer

  492. - ffprobe -show_pixel_formats option

  493. - CAST128 symmetric block cipher, ECB mode

  494. - STL subtitle demuxer and decoder

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

  496. - XCB-based screen-grabber

  497. - UDP-Lite support (RFC 3828)

  498. - xBR scaling filter

  499. - AVFoundation screen capturing support

  500. - ffserver supports codec private options

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

  502. - WebP muxer with animated WebP support

  503. - zygoaudio decoding support

  504. - APNG demuxer

  505. - postproc visualization support

  506. 

  507. 

  508. version 2.4:

  509. - Icecast protocol

  510. - ported lenscorrection filter from frei0r filter

  511. - large optimizations in dctdnoiz to make it usable

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

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

  514. - LZMA compression support in TIFF decoder

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

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

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

  518. - Matroska 3D support thorugh side data

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

  520. - silenceremove filter

  521. 

  522. 

  523. version 2.3:

  524. - AC3 fixed-point decoding

  525. - shuffleplanes filter

  526. - subfile protocol

  527. - Phantom Cine demuxer

  528. - replaygain data export

  529. - VP7 video decoder

  530. - Alias PIX image encoder and decoder

  531. - Improvements to the BRender PIX image decoder

  532. - Improvements to the XBM decoder

  533. - QTKit input device

  534. - improvements to OpenEXR image decoder

  535. - support decoding 16-bit RLE SGI images

  536. - GDI screen grabbing for Windows

  537. - alternative rendition support for HTTP Live Streaming

  538. - AVFoundation input device

  539. - Direct Stream Digital (DSD) decoder

  540. - Magic Lantern Video (MLV) demuxer

  541. - On2 AVC (Audio for Video) decoder

  542. - support for decoding through DXVA2 in ffmpeg

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

  544. - libx264 reference frames count limiting depending on level

  545. - native Opus decoder

  546. - display matrix export and rotation API

  547. - WebVTT encoder

  548. - showcqt multimedia filter

  549. - zoompan filter

  550. - signalstats filter

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

  552. - flanger filter

  553. - Image format auto-detection

  554. - LRC demuxer and muxer

  555. - Samba protocol (via libsmbclient)

  556. - WebM DASH Manifest muxer

  557. - libfribidi support in drawtext

  558. 

  559. 

  560. version 2.2:

  561. 

  562. - HNM version 4 demuxer and video decoder

  563. - Live HDS muxer

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

  565. - elbg filter

  566. - string validation in ffprobe

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

  568. - complete Voxware MetaSound decoder

  569. - remove mp3_header_compress bitstream filter

  570. - Windows resource files for shared libraries

  571. - aeval filter

  572. - stereoscopic 3d metadata handling

  573. - WebP encoding via libwebp

  574. - ATRAC3+ decoder

  575. - VP8 in Ogg demuxing

  576. - side & metadata support in NUT

  577. - framepack filter

  578. - XYZ12 rawvideo support in NUT

  579. - Exif metadata support in WebP decoder

  580. - OpenGL device

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

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

  583. - Mirillis FIC video decoder

  584. - Support DNx444

  585. - libx265 encoder

  586. - dejudder filter

  587. - Autodetect VDA like all other hardware accelerations

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

  589. 

  590. 

  591. version 2.1:

  592. 

  593. - aecho filter

  594. - perspective filter ported from libmpcodecs

  595. - ffprobe -show_programs option

  596. - compand filter

  597. - RTMP seek support

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

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

  600.   the -noaccurate_seek option.

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

  602.   data read from an input file

  603. - incomplete Voxware MetaSound decoder

  604. - read EXIF metadata from JPEG

  605. - DVB teletext decoder

  606. - phase filter ported from libmpcodecs

  607. - w3fdif filter

  608. - Opus support in Matroska

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

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

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

  612.   more consistent with other muxers.

  613. - adelay filter

  614. - pullup filter ported from libmpcodecs

  615. - ffprobe -read_intervals option

  616. - Lossless and alpha support for WebP decoder

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

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

  619. - mux chapters in ASF files

  620. - SFTP protocol (via libssh)

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

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

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

  624.   the skip_alpha flag.

  625. - ladspa wrapper filter

  626. - native VP9 decoder

  627. - dpx parser

  628. - max_error_rate parameter in ffmpeg

  629. - PulseAudio output device

  630. - ReplayGain scanner

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

  632. - Linux framebuffer output device

  633. - HEVC decoder

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

  635. - mergeplanes filter

  636. 

  637. 

  638. version 2.0:

  639. 

  640. - curves filter

  641. - reference-counting for AVFrame and AVPacket data

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

  643.   or vice versa

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

  645. - perms and aperms filters

  646. - audio filtering support in ffplay

  647. - 10% faster aac encoding on x86 and MIPS

  648. - sine audio filter source

  649. - WebP demuxing and decoding support

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

  651.   filtergraph description to be read from a file

  652. - OpenCL support

  653. - audio phaser filter

  654. - separatefields filter

  655. - libquvi demuxer

  656. - uniform options syntax across all filters

  657. - telecine filter

  658. - interlace filter

  659. - smptehdbars source

  660. - inverse telecine filters (fieldmatch and decimate)

  661. - colorbalance filter

  662. - colorchannelmixer filter

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

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

  665. - decent native animated GIF encoding

  666. - asetrate filter

  667. - interleave filter

  668. - timeline editing with filters

  669. - vidstabdetect and vidstabtransform filters for video stabilization using

  670.   the vid.stab library

  671. - astats filter

  672. - trim and atrim filters

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

  674.   transcoding audio

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

  676. - extractplanes filter

  677. - avectorscope filter

  678. - ADPCM DTK decoder

  679. - ADP demuxer

  680. - RSD demuxer

  681. - RedSpark demuxer

  682. - ADPCM IMA Radical decoder

  683. - zmq filters

  684. - DCT denoiser filter (dctdnoiz)

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

  686. - Apple Intermediate Codec decoder

  687. - Escape 130 video decoder

  688. - FTP protocol support

  689. - V4L2 output device

  690. - 3D LUT filter (lut3d)

  691. - SMPTE 302M audio encoder

  692. - support for slice multithreading in libavfilter

  693. - Hald CLUT support (generation and filtering)

  694. - VC-1 interlaced B-frame support

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

  696. - XVideo output device

  697. - vignette filter

  698. - True Audio (TTA) encoder

  699. - Go2Webinar decoder

  700. - mcdeint filter ported from libmpcodecs

  701. - sab filter ported from libmpcodecs

  702. - ffprobe -show_chapters option

  703. - WavPack encoding through libwavpack

  704. - rotate filter

  705. - spp filter ported from libmpcodecs

  706. - libgme support

  707. - psnr filter

  708. 

  709. 

  710. version 1.2:

  711. 

  712. - VDPAU hardware acceleration through normal hwaccel

  713. - SRTP support

  714. - Error diffusion dither in Swscale

  715. - Chained Ogg support

  716. - Theora Midstream reconfiguration support

  717. - EVRC decoder

  718. - audio fade filter

  719. - filtering audio with unknown channel layout

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

  721.   and treble audio filter

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

  723. - histogram filter

  724. - tee muxer

  725. - il filter ported from libmpcodecs

  726. - support ID3v2 tags in ASF files

  727. - encrypted TTA stream decoding support

  728. - RF64 support in WAV muxer

  729. - noise filter ported from libmpcodecs

  730. - Subtitles character encoding conversion

  731. - blend filter

  732. - stereo3d filter ported from libmpcodecs

  733. 

  734. 

  735. version 1.1:

  736. 

  737. - stream disposition information printing in ffprobe

  738. - filter for loudness analysis following EBU R128

  739. - Opus encoder using libopus

  740. - ffprobe -select_streams option

  741. - Pinnacle TARGA CineWave YUV16 decoder

  742. - TAK demuxer, decoder and parser

  743. - DTS-HD demuxer

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

  745. - FFM2 support

  746. - X-Face image encoder and decoder

  747. - 24-bit FLAC encoding

  748. - multi-channel ALAC encoding up to 7.1

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

  750. - subtitles raw text decoder

  751. - support for building DLLs using MSVC

  752. - LVF demuxer

  753. - ffescape tool

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

  755. - field filter ported from libmpcodecs

  756. - AVR demuxer

  757. - geq filter ported from libmpcodecs

  758. - remove ffserver daemon mode

  759. - AST muxer/demuxer

  760. - new expansion syntax for drawtext

  761. - BRender PIX image decoder

  762. - ffprobe -show_entries option

  763. - ffprobe -sections option

  764. - ADPCM IMA Dialogic decoder

  765. - BRSTM demuxer

  766. - animated GIF decoder and demuxer

  767. - PVF demuxer

  768. - subtitles filter

  769. - IRCAM muxer/demuxer

  770. - Paris Audio File demuxer

  771. - Virtual concatenation demuxer

  772. - VobSub demuxer

  773. - JSON captions for TED talks decoding support

  774. - SOX Resampler support in libswresample

  775. - aselect filter

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

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

  778. - Silicon Graphics Movie demuxer

  779. - apad filter

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

  781. - documentation split into per-component manuals

  782. - pp (postproc) filter ported from MPlayer

  783. - NIST Sphere demuxer

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

  785. - Sony Wave64 muxer

  786. - adobe and limelight publisher authentication in RTMP

  787. - data: URI scheme

  788. - support building on the Plan 9 operating system

  789. - kerndeint filter ported from MPlayer

  790. - histeq filter ported from VirtualDub

  791. - Megalux Frame demuxer

  792. - 012v decoder

  793. - Improved AVC Intra decoding support

  794. 

  795. 

  796. version 1.0:

  797. 

  798. - INI and flat output in ffprobe

  799. - Scene detection in libavfilter

  800. - Indeo Audio decoder

  801. - channelsplit audio filter

  802. - setnsamples audio filter

  803. - atempo filter

  804. - ffprobe -show_data option

  805. - RTMPT protocol support

  806. - iLBC encoding/decoding via libilbc

  807. - Microsoft Screen 1 decoder

  808. - join audio filter

  809. - audio channel mapping filter

  810. - Microsoft ATC Screen decoder

  811. - RTSP listen mode

  812. - TechSmith Screen Codec 2 decoder

  813. - AAC encoding via libfdk-aac

  814. - Microsoft Expression Encoder Screen decoder

  815. - RTMPS protocol support

  816. - RTMPTS protocol support

  817. - RTMPE protocol support

  818. - RTMPTE protocol support

  819. - showwaves and showspectrum filter

  820. - LucasArts SMUSH SANM playback support

  821. - LucasArts SMUSH VIMA audio decoder (ADPCM)

  822. - LucasArts SMUSH demuxer

  823. - SAMI, RealText and SubViewer demuxers and decoders

  824. - Heart Of Darkness PAF playback support

  825. - iec61883 device

  826. - asettb filter

  827. - new option: -progress

  828. - 3GPP Timed Text encoder/decoder

  829. - GeoTIFF decoder support

  830. - ffmpeg -(no)stdin option

  831. - Opus decoder using libopus

  832. - caca output device using libcaca

  833. - alphaextract and alphamerge filters

  834. - concat filter

  835. - flite filter

  836. - Canopus Lossless Codec decoder

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

  838. - MP2 encoding via TwoLAME

  839. - bmp parser

  840. - smptebars source

  841. - asetpts filter

  842. - hue filter

  843. - ICO muxer

  844. - SubRip encoder and decoder without embedded timing

  845. - edge detection filter

  846. - framestep filter

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

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

  849. - volume measurement filter

  850. - Ut Video encoder

  851. - Microsoft Screen 2 decoder

  852. - smartblur filter ported from MPlayer

  853. - CPiA decoder

  854. - decimate filter ported from MPlayer

  855. - RTP depacketization of JPEG

  856. - Smooth Streaming live segmenter muxer

  857. - F4V muxer

  858. - sendcmd and asendcmd filters

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

  860. - RTP packetization of JPEG

  861. - faststart option in the MOV/MP4 muxer

  862. - support for building with MSVC

  863. 

  864. 

  865. version 0.11:

  866. 

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

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

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

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

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

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

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

  874. - setfield filter

  875. - CDXL demuxer and decoder

  876. - Apple ProRes encoder

  877. - ffprobe -count_packets and -count_frames options

  878. - Sun Rasterfile Encoder

  879. - ID3v2 attached pictures reading and writing

  880. - WMA Lossless decoder

  881. - bluray protocol

  882. - blackdetect filter

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

  884. - swapuv filter

  885. - bbox filter

  886. - XBM encoder and decoder

  887. - RealAudio Lossless decoder

  888. - ZeroCodec decoder

  889. - tile video filter

  890. - Metal Gear Solid: The Twin Snakes demuxer

  891. - OpenEXR image decoder

  892. - removelogo filter

  893. - drop support for ffmpeg without libavfilter

  894. - drawtext video filter: fontconfig support

  895. - ffmpeg -benchmark_all option

  896. - super2xsai filter ported from libmpcodecs

  897. - add libavresample audio conversion library for compatibility

  898. - MicroDVD decoder

  899. - Avid Meridien (AVUI) encoder and decoder

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

  901. - complete audio filtering in libavfilter and ffmpeg

  902. - add fps filter

  903. - vorbis parser

  904. - png parser

  905. - audio mix filter

  906. - ffv1: support (draft) version 1.3

  907. 

  908. 

  909. version 0.10:

  910. 

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

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

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

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

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

  916. - SBaGen (SBG) binaural beats script demuxer

  917. - OpenMG Audio muxer

  918. - Timecode extraction in DV and MOV

  919. - thumbnail video filter

  920. - XML output in ffprobe

  921. - asplit audio filter

  922. - tinterlace video filter

  923. - astreamsync audio filter

  924. - amerge audio filter

  925. - ISMV (Smooth Streaming) muxer

  926. - GSM audio parser

  927. - SMJPEG muxer

  928. - XWD encoder and decoder

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

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

  931. - ffprobe -show_error option

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

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

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

  935. - ffprobe -show_frames option

  936. - silencedetect audio filter

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

  938. - rv34: frame-level multi-threading

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

  940. - Improved PGS subtitle decoder

  941. - dumpgraph option to lavfi device

  942. - r210 and r10k encoders

  943. - ffwavesynth decoder

  944. - aviocat tool

  945. - ffeval tool

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

  947. 

  948. 

  949. version 0.9:

  950. 

  951. - openal input device added

  952. - boxblur filter added

  953. - BWF muxer

  954. - Flash Screen Video 2 decoder

  955. - lavfi input device added

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

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

  958. easier to use. The changes are:

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

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

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

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

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

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

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

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

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

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

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

  970.       specifiers section in the avconv manual for details.

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

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

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

  974.       apply to the next input or output file.

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

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

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

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

  979.       each stream in the first input file.

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

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

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

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

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

  985.           output stream from the third input audio stream.

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

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

  988.           subtitle streams in the first input file.

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

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

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

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

  993.           stream'.

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

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

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

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

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

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

  1000.     * It is now possible to precisely specify which stream should an AVOption

  1001.       apply to. E.g. -b:v:0 2M sets the bitrate for the first video stream, while

  1002.       -b:a 128k sets the bitrate for all audio streams. Note that the old -ab 128k

  1003.       syntax is deprecated and will stop working soon.

  1004.     * -map_chapters now takes only an input file index and applies to the next

  1005.       output file. This is consistent with how all the other options work.

  1006.     * -map_metadata now takes only an input metadata specifier and applies to

  1007.       the next output file. Output metadata specifier is now part of the option

  1008.       name, similarly to the AVOptions/map/codec feature above.

  1009.     * -metadata can now be used to set metadata on streams and chapters, e.g.

  1010.       -metadata:s:1 language=eng sets the language of the first stream to 'eng'.

  1011.       This made -vlang/-alang/-slang options redundant, so they were removed.

  1012.     * -qscale option now uses stream specifiers and applies to all streams, not

  1013.       just video. I.e. plain -qscale number would now apply to all streams. To get

  1014.       the old behavior, use -qscale:v. Also there is now a shortcut -q for -qscale

  1015.       and -aq is now an alias for -q:a.

  1016.     * -vbsf/-absf/-sbsf options were removed and replaced by a -bsf option which

  1017.       uses stream specifiers. Use -bsf:v/a/s instead of the old options.

  1018.     * -itsscale option now uses stream specifiers, so its argument is only the

  1019.       scale parameter.

  1020.     * -intra option was removed, use -g 0 for the same effect.

  1021.     * -psnr option was removed, use -flags +psnr for the same effect.

  1022.     * -vf option is now an alias to the new -filter option, which uses stream specifiers.

  1023.     * -vframes/-aframes/-dframes options are now aliases to the new -frames option.

  1024.     * -vtag/-atag/-stag options are now aliases to the new -tag option.

  1025. - XMV demuxer

  1026. - LOAS demuxer

  1027. - ashowinfo filter added

  1028. - Windows Media Image decoder

  1029. - amovie source added

  1030. - LATM muxer/demuxer

  1031. - Speex encoder via libspeex

  1032. - JSON output in ffprobe

  1033. - WTV muxer

  1034. - Optional C++ Support (needed for libstagefright)

  1035. - H.264 Decoding on Android via Stagefright

  1036. - Prores decoder

  1037. - BIN/XBIN/ADF/IDF text file decoder

  1038. - aconvert audio filter added

  1039. - audio support to lavfi input device added

  1040. - libcdio-paranoia input device for audio CD grabbing

  1041. - Apple ProRes decoder

  1042. - CELT in Ogg demuxing

  1043. - G.723.1 demuxer and decoder

  1044. - libmodplug support (--enable-libmodplug)

  1045. - VC-1 interlaced decoding

  1046. - libutvideo wrapper (--enable-libutvideo)

  1047. - aevalsrc audio source added

  1048. - Ut Video decoder

  1049. - Speex encoding via libspeex

  1050. - 4:2:2 H.264 decoding support

  1051. - 4:2:2 and 4:4:4 H.264 encoding with libx264

  1052. - Pulseaudio input device

  1053. - Prores encoder

  1054. - Video Decoder Acceleration (VDA) HWAccel module.

  1055. - replacement Indeo 3 decoder

  1056. - new ffmpeg option: -map_channel

  1057. - volume audio filter added

  1058. - earwax audio filter added

  1059. - libv4l2 support (--enable-libv4l2)

  1060. - TLS/SSL and HTTPS protocol support

  1061. - AVOptions API rewritten and documented

  1062. - most of CODEC_FLAG2_*, some CODEC_FLAG_* and many codec-specific fields in

  1063.   AVCodecContext deprecated. Codec private options should be used instead.

  1064. - Properly working defaults in libx264 wrapper, support for native presets.

  1065. - Encrypted OMA files support

  1066. - Discworld II BMV decoding support

  1067. - VBLE Decoder

  1068. - OS X Video Decoder Acceleration (VDA) support

  1069. - compact and csv output in ffprobe

  1070. - pan audio filter

  1071. - IFF Amiga Continuous Bitmap (ACBM) decoder

  1072. - ass filter

  1073. - CRI ADX audio format muxer and demuxer

  1074. - Playstation Portable PMP format demuxer

  1075. - Microsoft Windows ICO demuxer

  1076. - life source

  1077. - PCM format support in OMA demuxer

  1078. - CLJR encoder

  1079. - new option: -report

  1080. - Dxtory capture format decoder

  1081. - cellauto source

  1082. - Simple segmenting muxer

  1083. - Indeo 4 decoder

  1084. - SMJPEG demuxer

  1085. 

  1086. 

  1087. version 0.8:

  1088. 

  1089. - many many things we forgot because we rather write code than changelogs

  1090. - WebM support in Matroska de/muxer

  1091. - low overhead Ogg muxing

  1092. - MMS-TCP support

  1093. - VP8 de/encoding via libvpx

  1094. - Demuxer for On2's IVF format

  1095. - Pictor/PC Paint decoder

  1096. - HE-AAC v2 decoder

  1097. - HE-AAC v2 encoding with libaacplus

  1098. - libfaad2 wrapper removed

  1099. - DTS-ES extension (XCh) decoding support

  1100. - native VP8 decoder

  1101. - RTSP tunneling over HTTP

  1102. - RTP depacketization of SVQ3

  1103. - -strict inofficial replaced by -strict unofficial

  1104. - ffplay -exitonkeydown and -exitonmousedown options added

  1105. - native GSM / GSM MS decoder

  1106. - RTP depacketization of QDM2

  1107. - ANSI/ASCII art playback system

  1108. - Lego Mindstorms RSO de/muxer

  1109. - libavcore added (and subsequently removed)

  1110. - SubRip subtitle file muxer and demuxer

  1111. - Chinese AVS encoding via libxavs

  1112. - ffprobe -show_packets option added

  1113. - RTP packetization of Theora and Vorbis

  1114. - RTP depacketization of MP4A-LATM

  1115. - RTP packetization and depacketization of VP8

  1116. - hflip filter

  1117. - Apple HTTP Live Streaming demuxer

  1118. - a64 codec

  1119. - MMS-HTTP support

  1120. - G.722 ADPCM audio encoder/decoder

  1121. - R10k video decoder

  1122. - ocv_smooth filter

  1123. - frei0r wrapper filter

  1124. - change crop filter syntax to width:height:x:y

  1125. - make the crop filter accept parametric expressions

  1126. - make ffprobe accept AVFormatContext options

  1127. - yadif filter

  1128. - blackframe filter

  1129. - Demuxer for Leitch/Harris' VR native stream format (LXF)

  1130. - RTP depacketization of the X-QT QuickTime format

  1131. - SAP (Session Announcement Protocol, RFC 2974) muxer and demuxer

  1132. - cropdetect filter

  1133. - ffmpeg -crop* options removed

  1134. - transpose filter added

  1135. - ffmpeg -force_key_frames option added

  1136. - demuxer for receiving raw rtp:// URLs without an SDP description

  1137. - single stream LATM/LOAS decoder

  1138. - setpts filter added

  1139. - Win64 support for optimized x86 assembly functions

  1140. - MJPEG/AVI1 to JPEG/JFIF bitstream filter

  1141. - ASS subtitle encoder and decoder

  1142. - IEC 61937 encapsulation for E-AC-3, TrueHD, DTS-HD (for HDMI passthrough)

  1143. - overlay filter added

  1144. - rename aspect filter to setdar, and pixelaspect to setsar

  1145. - IEC 61937 demuxer

  1146. - Mobotix .mxg demuxer

  1147. - frei0r source added

  1148. - hqdn3d filter added

  1149. - RTP depacketization of QCELP

  1150. - FLAC parser added

  1151. - gradfun filter added

  1152. - AMR-WB decoder

  1153. - replace the ocv_smooth filter with a more generic ocv filter

  1154. - Windows Televison (WTV) demuxer

  1155. - FFmpeg metadata format muxer and demuxer

  1156. - SubRip (srt) subtitle encoder and decoder

  1157. - floating-point AC-3 encoder added

  1158. - Lagarith decoder

  1159. - ffmpeg -copytb option added

  1160. - IVF muxer added

  1161. - Wing Commander IV movies decoder added

  1162. - movie source added

  1163. - Bink version 'b' audio and video decoder

  1164. - Bitmap Brothers JV playback system

  1165. - Apple HTTP Live Streaming protocol handler

  1166. - sndio support for playback and record

  1167. - Linux framebuffer input device added

  1168. - Chronomaster DFA decoder

  1169. - DPX image encoder

  1170. - MicroDVD subtitle file muxer and demuxer

  1171. - Playstation Portable PMP format demuxer

  1172. - fieldorder video filter added

  1173. - AAC encoding via libvo-aacenc

  1174. - AMR-WB encoding via libvo-amrwbenc

  1175. - xWMA demuxer

  1176. - Mobotix MxPEG decoder

  1177. - VP8 frame-multithreading

  1178. - NEON optimizations for VP8

  1179. - Lots of deprecated API cruft removed

  1180. - fft and imdct optimizations for AVX (Sandy Bridge) processors

  1181. - showinfo filter added

  1182. - SMPTE 302M AES3 audio decoder

  1183. - Apple Core Audio Format muxer

  1184. - 9 bits and 10 bits per sample support in the H.264 decoder

  1185. - 9 bits and 10 bits FFV1 encoding / decoding

  1186. - split filter added

  1187. - select filter added

  1188. - sdl output device added

  1189. - libmpcodecs video filter support (3 times as many filters than before)

  1190. - mpeg2 aspect ratio dection fixed

  1191. - libxvid aspect pickiness fixed

  1192. - Frame multithreaded decoding

  1193. - E-AC-3 audio encoder

  1194. - ac3enc: add channel coupling support

  1195. - floating-point sample format support to the ac3, eac3, dca, aac, and vorbis decoders.

  1196. - H264/MPEG frame-level multi-threading

  1197. - All av_metadata_* functions renamed to av_dict_* and moved to libavutil

  1198. - 4:4:4 H.264 decoding support

  1199. - 10-bit H.264 optimizations for x86

  1200. - lut, lutrgb, and lutyuv filters added

  1201. - buffersink libavfilter sink added

  1202. - Bump libswscale for recently reported ABI break

  1203. - New J2K encoder (via OpenJPEG)

  1204. 

  1205. 

  1206. version 0.7:

  1207. 

  1208. - all the changes for 0.8, but keeping API/ABI compatibility with the 0.6 release

  1209. 

  1210. 

  1211. version 0.6:

  1212. 

  1213. - PB-frame decoding for H.263

  1214. - deprecated vhook subsystem removed

  1215. - deprecated old scaler removed

  1216. - VQF demuxer

  1217. - Alpha channel scaler

  1218. - PCX encoder

  1219. - RTP packetization of H.263

  1220. - RTP packetization of AMR

  1221. - RTP depacketization of Vorbis

  1222. - CorePNG decoding support

  1223. - Cook multichannel decoding support

  1224. - introduced avlanguage helpers in libavformat

  1225. - 8088flex TMV demuxer and decoder

  1226. - per-stream language-tags extraction in asfdec

  1227. - V210 decoder and encoder

  1228. - remaining GPL parts in AC-3 decoder converted to LGPL

  1229. - QCP demuxer

  1230. - SoX native format muxer and demuxer

  1231. - AMR-NB decoding/encoding, AMR-WB decoding via OpenCORE libraries

  1232. - DPX image decoder

  1233. - Electronic Arts Madcow decoder

  1234. - DivX (XSUB) subtitle encoder

  1235. - nonfree libamr support for AMR-NB/WB decoding/encoding removed

  1236. - experimental AAC encoder

  1237. - RTP depacketization of ASF and RTSP from WMS servers

  1238. - RTMP support in libavformat

  1239. - noX handling for OPT_BOOL X options

  1240. - Wave64 demuxer

  1241. - IEC-61937 compatible Muxer

  1242. - TwinVQ decoder

  1243. - Bluray (PGS) subtitle decoder

  1244. - LPCM support in MPEG-TS (HDMV RID as found on Blu-ray disks)

  1245. - WMA Pro decoder

  1246. - Core Audio Format demuxer

  1247. - ATRAC1 decoder

  1248. - MD STUDIO audio demuxer

  1249. - RF64 support in WAV demuxer

  1250. - MPEG-4 Audio Lossless Coding (ALS) decoder

  1251. - -formats option split into -formats, -codecs, -bsfs, and -protocols

  1252. - IV8 demuxer

  1253. - CDG demuxer and decoder

  1254. - R210 decoder

  1255. - Auravision Aura 1 and 2 decoders

  1256. - Deluxe Paint Animation playback system

  1257. - SIPR decoder

  1258. - Adobe Filmstrip muxer and demuxer

  1259. - RTP depacketization of H.263

  1260. - Bink demuxer and audio/video decoders

  1261. - enable symbol versioning by default for linkers that support it

  1262. - IFF PBM/ILBM bitmap decoder

  1263. - concat protocol

  1264. - Indeo 5 decoder

  1265. - RTP depacketization of AMR

  1266. - WMA Voice decoder

  1267. - ffprobe tool

  1268. - AMR-NB decoder

  1269. - RTSP muxer

  1270. - HE-AAC v1 decoder

  1271. - Kega Game Video (KGV1) decoder

  1272. - VorbisComment writing for FLAC, Ogg FLAC and Ogg Speex files

  1273. - RTP depacketization of Theora

  1274. - HTTP Digest authentication

  1275. - RTMP/RTMPT/RTMPS/RTMPE/RTMPTE protocol support via librtmp

  1276. - Psygnosis YOP demuxer and video decoder

  1277. - spectral extension support in the E-AC-3 decoder

  1278. - unsharp video filter

  1279. - RTP hinting in the mov/3gp/mp4 muxer

  1280. - Dirac in Ogg demuxing

  1281. - seek to keyframes in Ogg

  1282. - 4:2:2 and 4:4:4 Theora decoding

  1283. - 35% faster VP3/Theora decoding

  1284. - faster AAC decoding

  1285. - faster H.264 decoding

  1286. - RealAudio 1.0 (14.4K) encoder

  1287. 

  1288. 

  1289. version 0.5:

  1290. 

  1291. - DV50 AKA DVCPRO50 encoder, decoder, muxer and demuxer

  1292. - TechSmith Camtasia (TSCC) video decoder

  1293. - IBM Ultimotion (ULTI) video decoder

  1294. - Sierra Online audio file demuxer and decoder

  1295. - Apple QuickDraw (qdrw) video decoder

  1296. - Creative ADPCM audio decoder (16 bits as well as 8 bits schemes)

  1297. - Electronic Arts Multimedia (WVE/UV2/etc.) file demuxer

  1298. - Miro VideoXL (VIXL) video decoder

  1299. - H.261 video encoder

  1300. - QPEG video decoder

  1301. - Nullsoft Video (NSV) file demuxer

  1302. - Shorten audio decoder

  1303. - LOCO video decoder

  1304. - Apple Lossless Audio Codec (ALAC) decoder

  1305. - Winnov WNV1 video decoder

  1306. - Autodesk Animator Studio Codec (AASC) decoder

  1307. - Indeo 2 video decoder

  1308. - Fraps FPS1 video decoder

  1309. - Snow video encoder/decoder

  1310. - Sonic audio encoder/decoder

  1311. - Vorbis audio decoder

  1312. - Macromedia ADPCM decoder

  1313. - Duck TrueMotion 2 video decoder

  1314. - support for decoding FLX and DTA extensions in FLIC files

  1315. - H.264 custom quantization matrices support

  1316. - ffserver fixed, it should now be usable again

  1317. - QDM2 audio decoder

  1318. - Real Cooker audio decoder

  1319. - TrueSpeech audio decoder

  1320. - WMA2 audio decoder fixed, now all files should play correctly

  1321. - RealAudio 14.4 and 28.8 decoders fixed

  1322. - JPEG-LS decoder

  1323. - build system improvements

  1324. - tabs and trailing whitespace removed from the codebase

  1325. - CamStudio video decoder

  1326. - AIFF/AIFF-C audio format, encoding and decoding

  1327. - ADTS AAC file reading and writing

  1328. - Creative VOC file reading and writing

  1329. - American Laser Games multimedia (*.mm) playback system

  1330. - Zip Motion Blocks Video decoder

  1331. - improved Theora/VP3 decoder

  1332. - True Audio (TTA) decoder

  1333. - AVS demuxer and video decoder

  1334. - JPEG-LS encoder

  1335. - Smacker demuxer and decoder

  1336. - NuppelVideo/MythTV demuxer and RTjpeg decoder

  1337. - KMVC decoder

  1338. - MPEG-2 intra VLC support

  1339. - MPEG-2 4:2:2 encoder

  1340. - Flash Screen Video decoder

  1341. - GXF demuxer

  1342. - Chinese AVS decoder

  1343. - GXF muxer

  1344. - MXF demuxer

  1345. - VC-1/WMV3/WMV9 video decoder

  1346. - MacIntel support

  1347. - AviSynth support

  1348. - VMware video decoder

  1349. - VP5 video decoder

  1350. - VP6 video decoder

  1351. - WavPack lossless audio decoder

  1352. - Targa (.TGA) picture decoder

  1353. - Vorbis audio encoder

  1354. - Delphine Software .cin demuxer/audio and video decoder

  1355. - Tiertex .seq demuxer/video decoder

  1356. - MTV demuxer

  1357. - TIFF picture encoder and decoder

  1358. - GIF picture decoder

  1359. - Intel Music Coder decoder

  1360. - Zip Motion Blocks Video encoder

  1361. - Musepack decoder

  1362. - Flash Screen Video encoder

  1363. - Theora encoding via libtheora

  1364. - BMP encoder

  1365. - WMA encoder

  1366. - GSM-MS encoder and decoder

  1367. - DCA decoder

  1368. - DXA demuxer and decoder

  1369. - DNxHD decoder

  1370. - Gamecube movie (.THP) playback system

  1371. - Blackfin optimizations

  1372. - Interplay C93 demuxer and video decoder

  1373. - Bethsoft VID demuxer and video decoder

  1374. - CRYO APC demuxer

  1375. - ATRAC3 decoder

  1376. - V.Flash PTX decoder

  1377. - RoQ muxer, RoQ audio encoder

  1378. - Renderware TXD demuxer and decoder

  1379. - extern C declarations for C++ removed from headers

  1380. - sws_flags command line option

  1381. - codebook generator

  1382. - RoQ video encoder

  1383. - QTRLE encoder

  1384. - OS/2 support removed and restored again

  1385. - AC-3 decoder

  1386. - NUT muxer

  1387. - additional SPARC (VIS) optimizations

  1388. - Matroska muxer

  1389. - slice-based parallel H.264 decoding

  1390. - Monkey's Audio demuxer and decoder

  1391. - AMV audio and video decoder

  1392. - DNxHD encoder

  1393. - H.264 PAFF decoding

  1394. - Nellymoser ASAO decoder

  1395. - Beam Software SIFF demuxer and decoder

  1396. - libvorbis Vorbis decoding removed in favor of native decoder

  1397. - IntraX8 (J-Frame) subdecoder for WMV2 and VC-1

  1398. - Ogg (Theora, Vorbis and FLAC) muxer

  1399. - The "device" muxers and demuxers are now in a new libavdevice library

  1400. - PC Paintbrush PCX decoder

  1401. - Sun Rasterfile decoder

  1402. - TechnoTrend PVA demuxer

  1403. - Linux Media Labs MPEG-4 (LMLM4) demuxer

  1404. - AVM2 (Flash 9) SWF muxer

  1405. - QT variant of IMA ADPCM encoder

  1406. - VFW grabber

  1407. - iPod/iPhone compatible mp4 muxer

  1408. - Mimic decoder

  1409. - MSN TCP Webcam stream demuxer

  1410. - RL2 demuxer / decoder

  1411. - IFF demuxer

  1412. - 8SVX audio decoder

  1413. - non-recursive Makefiles

  1414. - BFI demuxer

  1415. - MAXIS EA XA (.xa) demuxer / decoder

  1416. - BFI video decoder

  1417. - OMA demuxer

  1418. - MLP/TrueHD decoder

  1419. - Electronic Arts CMV decoder

  1420. - Motion Pixels Video decoder

  1421. - Motion Pixels MVI demuxer

  1422. - removed animated GIF decoder/demuxer

  1423. - D-Cinema audio muxer

  1424. - Electronic Arts TGV decoder

  1425. - Apple Lossless Audio Codec (ALAC) encoder

  1426. - AAC decoder

  1427. - floating point PCM encoder/decoder

  1428. - MXF muxer

  1429. - DV100 AKA DVCPRO HD decoder and demuxer

  1430. - E-AC-3 support added to AC-3 decoder

  1431. - Nellymoser ASAO encoder

  1432. - ASS and SSA demuxer and muxer

  1433. - liba52 wrapper removed

  1434. - SVQ3 watermark decoding support

  1435. - Speex decoding via libspeex

  1436. - Electronic Arts TGQ decoder

  1437. - RV40 decoder

  1438. - QCELP / PureVoice decoder

  1439. - RV30 decoder

  1440. - hybrid WavPack support

  1441. - R3D REDCODE demuxer

  1442. - ALSA support for playback and record

  1443. - Electronic Arts TQI decoder

  1444. - OpenJPEG based JPEG 2000 decoder

  1445. - NC (NC4600) camera file demuxer

  1446. - Gopher client support

  1447. - MXF D-10 muxer

  1448. - generic metadata API

  1449. - flash ScreenVideo2 encoder

  1450. 

  1451. 

  1452. version 0.4.9-pre1:

  1453. 

  1454. - DV encoder, DV muxer

  1455. - Microsoft RLE video decoder

  1456. - Microsoft Video-1 decoder

  1457. - Apple Animation (RLE) decoder

  1458. - Apple Graphics (SMC) decoder

  1459. - Apple Video (RPZA) decoder

  1460. - Cinepak decoder

  1461. - Sega FILM (CPK) file demuxer

  1462. - Westwood multimedia support (VQA & AUD files)

  1463. - Id Quake II CIN playback support

  1464. - 8BPS video decoder

  1465. - FLIC playback support

  1466. - RealVideo 2.0 (RV20) decoder

  1467. - Duck TrueMotion v1 (DUCK) video decoder

  1468. - Sierra VMD demuxer and video decoder

  1469. - MSZH and ZLIB decoder support

  1470. - SVQ1 video encoder

  1471. - AMR-WB support

  1472. - PPC optimizations

  1473. - rate distortion optimal cbp support

  1474. - rate distorted optimal ac prediction for MPEG-4

  1475. - rate distorted optimal lambda->qp support

  1476. - AAC encoding with libfaac

  1477. - Sunplus JPEG codec (SP5X) support

  1478. - use Lagrange multiplier instead of QP for ratecontrol

  1479. - Theora/VP3 decoding support

  1480. - XA and ADX ADPCM codecs

  1481. - export MPEG-2 active display area / pan scan

  1482. - Add support for configuring with IBM XLC

  1483. - floating point AAN DCT

  1484. - initial support for zygo video (not complete)

  1485. - RGB ffv1 support

  1486. - new audio/video parser API

  1487. - av_log() system

  1488. - av_read_frame() and av_seek_frame() support

  1489. - missing last frame fixes

  1490. - seek by mouse in ffplay

  1491. - noise reduction of DCT coefficients

  1492. - H.263 OBMC & 4MV support

  1493. - H.263 alternative inter vlc support

  1494. - H.263 loop filter

  1495. - H.263 slice structured mode

  1496. - interlaced DCT support for MPEG-2 encoding

  1497. - stuffing to stay above min_bitrate

  1498. - MB type & QP visualization

  1499. - frame stepping for ffplay

  1500. - interlaced motion estimation

  1501. - alternate scantable support

  1502. - SVCD scan offset support

  1503. - closed GOP support

  1504. - SSE2 FDCT

  1505. - quantizer noise shaping

  1506. - G.726 ADPCM audio codec

  1507. - MS ADPCM encoding

  1508. - multithreaded/SMP motion estimation

  1509. - multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263

  1510. - multithreaded/SMP decoding for MPEG-2

  1511. - FLAC decoder

  1512. - Metrowerks CodeWarrior suppport

  1513. - H.263+ custom pcf support

  1514. - nicer output for 'ffmpeg -formats'

  1515. - Matroska demuxer

  1516. - SGI image format, encoding and decoding

  1517. - H.264 loop filter support

  1518. - H.264 CABAC support

  1519. - nicer looking arrows for the motion vector visualization

  1520. - improved VCD support

  1521. - audio timestamp drift compensation

  1522. - MPEG-2 YUV 422/444 support

  1523. - polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample

  1524. - better image scaling

  1525. - H.261 support

  1526. - correctly interleave packets during encoding

  1527. - VIS optimized motion compensation

  1528. - intra_dc_precision>0 encoding support

  1529. - support reuse of motion vectors/MB types/field select values of the source video

  1530. - more accurate deblock filter

  1531. - padding support

  1532. - many optimizations and bugfixes

  1533. - FunCom ISS audio file demuxer and according ADPCM decoding

  1534. 

  1535. 

  1536. version 0.4.8:

  1537. 

  1538. - MPEG-2 video encoding (Michael)

  1539. - Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)

  1540. - Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson

  1541.   and Mario Brito)

  1542. - Xan DPCM audio decoder (Mario Brito)

  1543. - Interplay MVE playback subsystem (Mike Melanson)

  1544. - Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)

  1545. 

  1546. 

  1547. version 0.4.7:

  1548. 

  1549. - RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from mplayerhq

  1550.   (originally from public domain player for Amiga at http://www.honeypot.net/audio)

  1551. - current version now also compiles with older GCC (Fabrice)

  1552. - 4X multimedia playback system including 4xm file demuxer (Mike

  1553.   Melanson), and 4X video and audio codecs (Michael)

  1554. - Creative YUV (CYUV) decoder (Mike Melanson)

  1555. - FFV1 codec (our very simple lossless intra only codec, compresses much better

  1556.   than HuffYUV) (Michael)

  1557. - ASV1 (Asus), H.264, Intel indeo3 codecs have been added (various)

  1558. - tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with

  1559.   alpha support), JPEG YUV colorspace support. (Fabrice Bellard)

  1560. - ffplay has been replaced with a newer version which uses SDL (optionally)

  1561.   for multiplatform support (Fabrice)

  1562. - Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated

  1563.   by anonymous

  1564. - AMR format has been added (Johannes Carlsson)

  1565. - 3GP support has been added (Johannes Carlsson)

  1566. - VP3 codec has been added (Mike Melanson)

  1567. - more MPEG-1/2 fixes

  1568. - better multiplatform support, MS Visual Studio fixes (various)

  1569. - AltiVec optimizations (Magnus Damn and others)

  1570. - SH4 processor support has been added (BERO)

  1571. - new public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)

  1572. - VOB streaming support (Brian Foley)

  1573. - better MP3 autodetection (Andriy Rysin)

  1574. - qpel encoding (Michael)

  1575. - 4mv+b frames encoding finally fixed (Michael)

  1576. - chroma ME (Michael)

  1577. - 5 comparison functions for ME (Michael)

  1578. - B-frame encoding speedup (Michael)

  1579. - WMV2 codec (unfinished - Michael)

  1580. - user specified diamond size for EPZS (Michael)

  1581. - Playstation STR playback subsystem, still experimental (Mike and Michael)

  1582. - ASV2 codec (Michael)

  1583. - CLJR decoder (Alex)

  1584. 

  1585. .. And lots more new enhancements and fixes.

  1586. 

  1587. 

  1588. version 0.4.6:

  1589. 

  1590. - completely new integer only MPEG audio layer 1/2/3 decoder rewritten

  1591.   from scratch

  1592. - Recoded DCT and motion vector search with gcc (no longer depends on nasm)

  1593. - fix quantization bug in AC3 encoder

  1594. - added PCM codecs and format. Corrected WAV/AVI/ASF PCM issues

  1595. - added prototype ffplay program

  1596. - added GOB header parsing on H.263/H.263+ decoder (Juanjo)

  1597. - bug fix on MCBPC tables of H.263 (Juanjo)

  1598. - bug fix on DC coefficients of H.263 (Juanjo)

  1599. - added Advanced Prediction Mode on H.263/H.263+ decoder (Juanjo)

  1600. - now we can decode H.263 streams found in QuickTime files (Juanjo)

  1601. - now we can decode H.263 streams found in VIVO v1 files(Juanjo)

  1602. - preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)

  1603. - added GOB header for H.263/H.263+ coding on RTP mode (Juanjo)

  1604. - now H.263 picture size is returned on the first decoded frame (Juanjo)

  1605. - added first regression tests

  1606. - added MPEG-2 TS demuxer

  1607. - new demux API for libav

  1608. - more accurate and faster IDCT (Michael)

  1609. - faster and entropy-controlled motion search (Michael)

  1610. - two pass video encoding (Michael)

  1611. - new video rate control (Michael)

  1612. - added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)

  1613. - great performance improvement of video encoders and decoders (Michael)

  1614. - new and faster bit readers and vlc parsers (Michael)

  1615. - high quality encoding mode: tries all macroblock/VLC types (Michael)

  1616. - added DV video decoder

  1617. - preliminary RTP/RTSP support in ffserver and libavformat

  1618. - H.263+ AIC decoding/encoding support (Juanjo)

  1619. - VCD MPEG-PS mode (Juanjo)

  1620. - PSNR stuff (Juanjo)

  1621. - simple stats output (Juanjo)

  1622. - 16-bit and 15-bit RGB/BGR/GBR support (Bisqwit)

  1623. 

  1624. 

  1625. version 0.4.5:

  1626. 

  1627. - some header fixes (Zdenek Kabelac <kabi at informatics.muni.cz>)

  1628. - many MMX optimizations (Nick Kurshev <nickols_k at mail.ru>)

  1629. - added configure system (actually a small shell script)

  1630. - added MPEG audio layer 1/2/3 decoding using LGPL'ed mpglib by

  1631.   Michael Hipp (temporary solution - waiting for integer only

  1632.   decoder)

  1633. - fixed VIDIOCSYNC interrupt

  1634. - added Intel H.263 decoding support ('I263' AVI fourCC)

  1635. - added Real Video 1.0 decoding (needs further testing)

  1636. - simplified image formats again. Added PGM format (=grey

  1637.   pgm). Renamed old PGM to PGMYUV.

  1638. - fixed msmpeg4 slice issues (tell me if you still find problems)

  1639. - fixed OpenDivX bugs with newer versions (added VOL header decoding)

  1640. - added support for MPlayer interface

  1641. - added macroblock skip optimization

  1642. - added MJPEG decoder

  1643. - added mmx/mmxext IDCT from libmpeg2

  1644. - added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer

  1645.   <celer at shell.scrypt.net>)

  1646. - added pixel format conversion layer (e.g. for MJPEG or PPM)

  1647. - added deinterlacing option

  1648. - MPEG-1/2 fixes

  1649. - MPEG-4 vol header fixes (Jonathan Marsden <snmjbm at pacbell.net>)

  1650. - ARM optimizations (Lionel Ulmer <lionel.ulmer at free.fr>).

  1651. - Windows porting of file converter

  1652. - added MJPEG raw format (input/output)

  1653. - added JPEG image format support (input/output)

  1654. 

  1655. 

  1656. version 0.4.4:

  1657. 

  1658. - fixed some std header definitions (Bjorn Lindgren

  1659.   <bjorn.e.lindgren at telia.com>).

  1660. - added MPEG demuxer (MPEG-1 and 2 compatible).

  1661. - added ASF demuxer

  1662. - added prototype RM demuxer

  1663. - added AC3 decoding (done with libac3 by Aaron Holtzman)

  1664. - added decoding codec parameter guessing (.e.g. for MPEG, because the

  1665.   header does not include them)

  1666. - fixed header generation in MPEG-1, AVI and ASF muxer: wmplayer can now

  1667.   play them (only tested video)

  1668. - fixed H.263 white bug

  1669. - fixed phase rounding in img resample filter

  1670. - add MMX code for polyphase img resample filter

  1671. - added CPU autodetection

  1672. - added generic title/author/copyright/comment string handling (ASF and RM

  1673.   use them)

  1674. - added SWF demux to extract MP3 track (not usable yet because no MP3

  1675.   decoder)

  1676. - added fractional frame rate support

  1677. - codecs are no longer searched by read_header() (should fix ffserver

  1678.   segfault)

  1679. 

  1680. 

  1681. version 0.4.3:

  1682. 

  1683. - BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq at amsat.org>)

  1684. - fixed raw yuv output

  1685. - added motion rounding support in MPEG-4

  1686. - fixed motion bug rounding in MSMPEG4

  1687. - added B-frame handling in video core

  1688. - added full MPEG-1 decoding support

  1689. - added partial (frame only) MPEG-2 support

  1690. - changed the FOURCC code for H.263 to "U263" to be able to see the

  1691.   +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with

  1692.   this +codec ;) (JuanJo).

  1693. - Halfpel motion estimation after MB type selection (JuanJo)

  1694. - added pgm and .Y.U.V output format

  1695. - suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or

  1696.   output.

  1697. - added pgmpipe I/O format (original patch from Martin Aumueller

  1698.   <lists at reserv.at>, but changed completely since we use a format

  1699.   instead of a protocol)

  1700. 

  1701. 

  1702. version 0.4.2:

  1703. 

  1704. - added H.263/MPEG-4/MSMPEG4 decoding support. MPEG-4 decoding support

  1705.   (for OpenDivX) is almost complete: 8x8 MVs and rounding are

  1706.   missing. MSMPEG4 support is complete.

  1707. - added prototype MPEG-1 decoder. Only I- and P-frames handled yet (it

  1708.   can decode ffmpeg MPEGs :-)).

  1709. - added libavcodec API documentation (see apiexample.c).

  1710. - fixed image polyphase bug (the bottom of some images could be

  1711.   greenish)

  1712. - added support for non clipped motion vectors (decoding only)

  1713.   and image sizes non-multiple of 16

  1714. - added support for AC prediction (decoding only)

  1715. - added file overwrite confirmation (can be disabled with -y)

  1716. - added custom size picture to H.263 using H.263+ (Juanjo)

  1717. 

  1718. 

  1719. version 0.4.1:

  1720. 

  1721. - added MSMPEG4 (aka DivX) compatible encoder. Changed default codec

  1722.   of AVI and ASF to DIV3.

  1723. - added -me option to set motion estimation method

  1724.   (default=log). suppressed redundant -hq option.

  1725. - added options -acodec and -vcodec to force a given codec (useful for

  1726.   AVI for example)

  1727. - fixed -an option

  1728. - improved dct_quantize speed

  1729. - factorized some motion estimation code

  1730. 

  1731. 

  1732. version 0.4.0:

  1733. 

  1734. - removing grab code from ffserver and moved it to ffmpeg. Added

  1735.   multistream support to ffmpeg.

  1736. - added timeshifting support for live feeds (option ?date=xxx in the

  1737.   URL)

  1738. - added high quality image resize code with polyphase filter (need

  1739.   mmx/see optimization). Enable multiple image size support in ffserver.

  1740. - added multi live feed support in ffserver

  1741. - suppressed master feature from ffserver (it should be done with an

  1742.   external program which opens the .ffm url and writes it to another

  1743.   ffserver)

  1744. - added preliminary support for video stream parsing (WAV and AVI half

  1745.   done). Added proper support for audio/video file conversion in

  1746.   ffmpeg.

  1747. - added preliminary support for video file sending from ffserver

  1748. - redesigning I/O subsystem: now using URL based input and output

  1749.   (see avio.h)

  1750. - added WAV format support

  1751. - added "tty user interface" to ffmpeg to stop grabbing gracefully

  1752. - added MMX/SSE optimizations to SAD (Sums of Absolutes Differences)

  1753.   (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo at atmlab.utfsm.cl>)

  1754. - added MMX DCT from mpeg2_movie 1.5 (Juanjo)

  1755. - added new motion estimation algorithms, log and phods (Juanjo)

  1756. - changed directories: libav for format handling, libavcodec for

  1757.   codecs

  1758. 

  1759. 

  1760. version 0.3.4:

  1761. 

  1762. - added stereo in MPEG audio encoder

  1763. 

  1764. 

  1765. version 0.3.3:

  1766. 

  1767. - added 'high quality' mode which use motion vectors. It can be used in

  1768.   real time at low resolution.

  1769. - fixed rounding problems which caused quality problems at high

  1770.   bitrates and large GOP size

  1771. 

  1772. 

  1773. version 0.3.2: small fixes

  1774. 

  1775. - ASF fixes

  1776. - put_seek bug fix

  1777. 

  1778. 

  1779. version 0.3.1: added avi/divx support

  1780. 

  1781. - added AVI support

  1782. - added MPEG-4 codec compatible with OpenDivX. It is based on the H.263 codec

  1783. - added sound for flash format (not tested)

  1784. 

  1785. 

  1786. version 0.3: initial public release