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FFmpeg/Changelog

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Raw Blame History 

  1. Entries are sorted chronologically from oldest to youngest within each release,

  2. releases are sorted from youngest to oldest.

  3. 

  4. version <next>:

  5. - v360 filter

  6. - Intel QSV-accelerated MJPEG decoding

  7. - Intel QSV-accelerated VP9 decoding

  8. - Support for TrueHD in mp4

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

  10. - IMM5 video decoder

  11. - ZeroMQ protocol

  12. - support Sipro ACELP.KELVIN decoding

  13. - streamhash muxer

  14. - sierpinski video source

  15. - scroll video filter

  16. - photosensitivity filter

  17. - anlms filter

  18. - arnndn filter

  19. - bilateral filter

  20. - maskedmin and maskedmax filters

  21. - VDPAU VP9 hwaccel

  22. - median filter

  23. - QSV-accelerated VP9 encoding

  24. - AV1 encoding support via librav1e

  25. - AV1 frame merge bitstream filter

  26. - AV1 Annex B demuxer

  27. - axcorrelate filter

  28. - mvdv decoder

  29. - mvha decoder

  30. - MPEG-H 3D Audio support in mp4

  31. - thistogram filter

  32. - freezeframes filter

  33. - Argonaut Games ADPCM decoder

  34. - Argonaut Games ASF demuxer

  35. - xfade video filter

  36. - xfade_opencl filter

  37. - afirsrc audio filter source

  38. - pad_opencl filter

  39. - Simon & Schuster Interactive ADPCM decoder

  40. - Real War KVAG demuxer

  41. - CDToons video decoder

  42. - siren audio decoder

  43. - Rayman 2 ADPCM decoder

  44. - Rayman 2 APM demuxer

  45. - cas video filter

  46. - High Voltage Software ADPCM decoder

  47. 

  48. 

  49. version 4.2:

  50. - tpad filter

  51. - AV1 decoding support through libdav1d

  52. - dedot filter

  53. - chromashift and rgbashift filters

  54. - freezedetect filter

  55. - truehd_core bitstream filter

  56. - dhav demuxer

  57. - PCM-DVD encoder

  58. - GIF parser

  59. - vividas demuxer

  60. - hymt decoder

  61. - anlmdn filter

  62. - maskfun filter

  63. - hcom demuxer and decoder

  64. - ARBC decoder

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

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

  67. - removed libndi-newtek

  68. - agm decoder

  69. - KUX demuxer

  70. - AV1 frame split bitstream filter

  71. - lscr decoder

  72. - lagfun filter

  73. - asoftclip filter

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

  75. - colorhold filter

  76. - xmedian filter

  77. - asr filter

  78. - showspatial multimedia filter

  79. - VP4 video decoder

  80. - IFV demuxer

  81. - derain filter

  82. - deesser filter

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

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

  85. 

  86. 

  87. version 4.1:

  88. - deblock filter

  89. - tmix filter

  90. - amplify filter

  91. - fftdnoiz filter

  92. - aderivative and aintegral audio filters

  93. - pal75bars and pal100bars video filter sources

  94. - support mbedTLS based TLS

  95. - adeclick filter

  96. - adeclip filter

  97. - libtensorflow backend for DNN based filters like srcnn

  98. - vc1 decoder is now bit-exact

  99. - ATRAC9 decoder

  100. - lensfun wrapper filter

  101. - colorconstancy filter

  102. - AVS2 video decoder via libdavs2

  103. - IMM4 video decoder

  104. - Brooktree ProSumer video decoder

  105. - MatchWare Screen Capture Codec decoder

  106. - WinCam Motion Video decoder

  107. - 1D LUT filter (lut1d)

  108. - RemotelyAnywhere Screen Capture decoder

  109. - cue and acue filters

  110. - support for AV1 in MP4

  111. - transpose_npp filter

  112. - AVS2 video encoder via libxavs2

  113. - amultiply filter

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

  115. - acrossover filter

  116. - ilbc decoder

  117. - audio denoiser as afftdn filter

  118. - AV1 parser

  119. - SER demuxer

  120. - sinc audio filter source

  121. - chromahold filter

  122. - setparams filter

  123. - vibrance filter

  124. - decoding S12M timecode in h264

  125. - xstack filter

  126. - pcm vidc decoder and encoder

  127. - (a)graphmonitor filter

  128. - yadif_cuda filter

  129. 

  130. 

  131. version 4.0:

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

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

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

  135. - VDA dropped (use VideoToolbox instead)

  136. - MagicYUV encoder

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

  138. - TiVo ty/ty+ demuxer

  139. - Intel QSV-accelerated MJPEG encoding

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

  141. - native aptX and aptX HD encoder and decoder

  142. - Raw aptX and aptX HD muxer and demuxer

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

  144. - Intel QSV-accelerated overlay filter

  145. - mcompand audio filter

  146. - acontrast audio filter

  147. - OpenCL overlay filter

  148. - video mix filter

  149. - video normalize filter

  150. - audio lv2 wrapper filter

  151. - VAAPI MJPEG and VP8 decoding

  152. - AMD AMF H.264 and HEVC encoders

  153. - video fillborders filter

  154. - video setrange filter

  155. - nsp demuxer

  156. - support LibreSSL (via libtls)

  157. - AVX-512/ZMM support added

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

  159.   version is Windows Vista.

  160. - deconvolve video filter

  161. - entropy video filter

  162. - hilbert audio filter source

  163. - aiir audio filter

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

  165. - Removed the ffserver program

  166. - Removed the ffmenc and ffmdec muxer and demuxer

  167. - VideoToolbox HEVC encoder and hwaccel

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

  169. - Add android_camera indev

  170. - codec2 en/decoding via libcodec2

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

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

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

  174. - native SBC encoder and decoder

  175. - drmeter audio filter

  176. - hapqa_extract bitstream filter

  177. - filter_units bitstream filter

  178. - AV1 Support through libaom

  179. - E-AC-3 dependent frames support

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

  181. - Haivision SRT protocol via libsrt

  182. - segafilm muxer

  183. - vfrdet filter

  184. - SRCNN filter

  185. 

  186. 

  187. version 3.4:

  188. - deflicker video filter

  189. - doubleweave video filter

  190. - lumakey video filter

  191. - pixscope video filter

  192. - oscilloscope video filter

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

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

  195. - afir audio filter

  196. - scale_cuda CUDA based video scale filter

  197. - librsvg support for svg rasterization

  198. - crossfeed audio filter

  199. - spec compliant VP9 muxing support in MP4

  200. - remove the libnut muxer/demuxer wrappers

  201. - remove the libschroedinger encoder/decoder wrappers

  202. - surround audio filter

  203. - sofalizer filter switched to libmysofa

  204. - Gremlin Digital Video demuxer and decoder

  205. - headphone audio filter

  206. - superequalizer audio filter

  207. - roberts video filter

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

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

  210. - additional frame format support for Interplay MVE movies

  211. - support for decoding through D3D11VA in ffmpeg

  212. - limiter video filter

  213. - libvmaf video filter

  214. - Dolby E decoder and SMPTE 337M demuxer

  215. - unpremultiply video filter

  216. - tlut2 video filter

  217. - floodfill video filter

  218. - pseudocolor video filter

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

  220. - NewTek NDI input/output device

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

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

  223.   They must always be used by name.

  224. - FITS demuxer and decoder

  225. - FITS muxer and encoder

  226. - add --disable-autodetect build switch

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

  228. - despill video filter

  229. - haas audio filter

  230. - SUP/PGS subtitle muxer

  231. - convolve video filter

  232. - VP9 tile threading support

  233. - KMS screen grabber

  234. - CUDA thumbnail filter

  235. - V4L2 mem2mem HW assisted codecs

  236. - Rockchip MPP hardware decoding

  237. - vmafmotion video filter

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

  239. 

  240. 

  241. version 3.3:

  242. - CrystalHD decoder moved to new decode API

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

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

  245. - premultiply video filter

  246. - Support for spherical videos

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

  248. - PSD Decoder

  249. - 16.8 floating point pcm decoder

  250. - 24.0 floating point pcm decoder

  251. - Apple Pixlet decoder

  252. - QDMC audio decoder

  253. - NewTek SpeedHQ decoder

  254. - MIDI Sample Dump Standard demuxer

  255. - readeia608 filter

  256. - Sample Dump eXchange demuxer

  257. - abitscope multimedia filter

  258. - Scenarist Closed Captions demuxer and muxer

  259. - threshold filter

  260. - midequalizer filter

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

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

  263. - FM Screen Capture Codec decoder

  264. - native Opus encoder

  265. - ScreenPressor decoder

  266. - incomplete ClearVideo decoder

  267. - Intel QSV video scaling and deinterlacing filters

  268. - Support MOV with multiple sample description tables

  269. - XPM decoder

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

  271. - MPEG-7 Video Signature filter

  272. - Removed asyncts filter (use af_aresample instead)

  273. - Intel QSV-accelerated VP8 video decoding

  274. - VAAPI-accelerated deinterlacing

  275. 

  276. 

  277. version 3.2:

  278. - libopenmpt demuxer

  279. - tee protocol

  280. - Changed metadata print option to accept general urls

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

  282. - VP8 in Ogg muxing

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

  284. - 16-bit support in curves filter and selectivecolor filter

  285. - OpenH264 decoder wrapper

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

  287. - True Audio (TTA) muxer

  288. - crystalizer audio filter

  289. - acrusher audio filter

  290. - bitplanenoise video filter

  291. - floating point support in als decoder

  292. - fifo muxer

  293. - maskedclamp filter

  294. - hysteresis filter

  295. - lut2 filter

  296. - yuvtestsrc filter

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

  298. - vaguedenoiser filter

  299. - added threads option per filter instance

  300. - weave filter

  301. - gblur filter

  302. - avgblur filter

  303. - sobel and prewitt filter

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

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

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

  307. - sdl2 output device and ffplay support

  308. - sdl1 output device and sdl1 support removed

  309. - extended mov edit list support

  310. - libfaac encoder removed

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

  312. - sidedata video and asidedata audio filter

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

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

  315. 

  316. 

  317. version 3.1:

  318. - DXVA2-accelerated HEVC Main10 decoding

  319. - fieldhint filter

  320. - loop video filter and aloop audio filter

  321. - Bob Weaver deinterlacing filter

  322. - firequalizer filter

  323. - datascope filter

  324. - bench and abench filters

  325. - ciescope filter

  326. - protocol blacklisting API

  327. - MediaCodec H264 decoding

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

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

  330. - AudioToolbox audio decoders

  331. - AudioToolbox audio encoders

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

  333. - libdcadec removed

  334. - bitstream filter for extracting DTS core

  335. - ADPCM IMA DAT4 decoder

  336. - musx demuxer

  337. - aix demuxer

  338. - remap filter

  339. - hash and framehash muxers

  340. - colorspace filter

  341. - hdcd filter

  342. - readvitc filter

  343. - VAAPI-accelerated format conversion and scaling

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

  345. - Duck TrueMotion 2.0 Real Time decoder

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

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

  348. - DTS Express (LBR) decoder

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

  350. - IFF ANIM demuxer & decoder

  351. - Direct Stream Transfer (DST) decoder

  352. - loudnorm filter

  353. - MTAF demuxer and decoder

  354. - MagicYUV decoder

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

  356. - BitJazz SheerVideo decoder

  357. - CUDA CUVID H264/HEVC decoder

  358. - 10-bit depth support in native utvideo decoder

  359. - libutvideo wrapper removed

  360. - YUY2 Lossless Codec decoder

  361. - VideoToolbox H.264 encoder

  362. 

  363. 

  364. version 3.0:

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

  366. - DXV decoding

  367. - extrastereo filter

  368. - ocr filter

  369. - alimiter filter

  370. - stereowiden filter

  371. - stereotools filter

  372. - rubberband filter

  373. - tremolo filter

  374. - agate filter

  375. - chromakey filter

  376. - maskedmerge filter

  377. - Screenpresso SPV1 decoding

  378. - chromaprint fingerprinting muxer

  379. - ffplay dynamic volume control

  380. - displace filter

  381. - selectivecolor filter

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

  383. - ADPCM PSX decoder

  384. - 3dostr, dcstr, fsb, genh, vag, xvag, ads, msf, svag & vpk demuxer

  385. - zscale filter

  386. - wve demuxer

  387. - zero-copy Intel QSV transcoding in ffmpeg

  388. - shuffleframes filter

  389. - SDX2 DPCM decoder

  390. - vibrato filter

  391. - innoHeim/Rsupport Screen Capture Codec decoder

  392. - ADPCM AICA decoder

  393. - Interplay ACM demuxer and audio decoder

  394. - XMA1 & XMA2 decoder

  395. - realtime filter

  396. - anoisesrc audio filter source

  397. - IVR demuxer

  398. - compensationdelay filter

  399. - acompressor filter

  400. - support encoding 16-bit RLE SGI images

  401. - apulsator filter

  402. - sidechaingate audio filter

  403. - mipsdspr1 option has been renamed to mipsdsp

  404. - aemphasis filter

  405. - mips32r5 option has been removed

  406. - mips64r6 option has been removed

  407. - DXVA2-accelerated VP9 decoding

  408. - SOFAlizer: virtual binaural acoustics filter

  409. - VAAPI VP9 hwaccel

  410. - audio high-order multiband parametric equalizer

  411. - automatic bitstream filtering

  412. - showspectrumpic filter

  413. - libstagefright support removed

  414. - spectrumsynth filter

  415. - ahistogram filter

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

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

  418. - afftfilt filter

  419. - convolution filter

  420. - libquvi support removed

  421. - support for dvaudio in wav and avi

  422. - libaacplus and libvo-aacenc support removed

  423. - Cineform HD decoder

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

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

  426. - nnedi deinterlacer

  427. - streamselect video and astreamselect audio filter

  428. - swaprect filter

  429. - metadata video and ametadata audio filter

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

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

  432. 

  433. 

  434. version 2.8:

  435. - colorkey video filter

  436. - BFSTM/BCSTM demuxer

  437. - little-endian ADPCM_THP decoder

  438. - Hap decoder and encoder

  439. - DirectDraw Surface image/texture decoder

  440. - ssim filter

  441. - optional new ASF demuxer

  442. - showvolume filter

  443. - Many improvements to the JPEG 2000 decoder

  444. - Go2Meeting decoding support

  445. - adrawgraph audio and drawgraph video filter

  446. - removegrain video filter

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

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

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

  450. - libkvazaar HEVC encoder

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

  452. - Dynamic Audio Normalizer as dynaudnorm filter

  453. - Reverse video and areverse audio filter

  454. - Random filter

  455. - deband filter

  456. - AAC fixed-point decoding

  457. - sidechaincompress audio filter

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

  459. - acrossfade audio filter

  460. - allyuv and allrgb video sources

  461. - atadenoise video filter

  462. - OS X VideoToolbox support

  463. - aphasemeter filter

  464. - showfreqs filter

  465. - vectorscope filter

  466. - waveform filter

  467. - hstack and vstack filter

  468. - Support DNx100 (1440x1080@8)

  469. - VAAPI hevc hwaccel

  470. - VDPAU hevc hwaccel

  471. - framerate filter

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

  473. - Removed experimental flag from the JPEG 2000 encoder

  474. 

  475. 

  476. version 2.7:

  477. - FFT video filter

  478. - TDSC decoder

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

  480. - showwavespic filter

  481. - DTS decoding through libdcadec

  482. - Drop support for nvenc API before 5.0

  483. - nvenc HEVC encoder

  484. - Detelecine filter

  485. - Intel QSV-accelerated H.264 encoding

  486. - MMAL-accelerated H.264 decoding

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

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

  489. - WebM Live Chunk Muxer

  490. - nvenc level and tier options

  491. - chorus filter

  492. - Canopus HQ/HQA decoder

  493. - Automatically rotate videos based on metadata in ffmpeg

  494. - improved Quickdraw compatibility

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

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

  497. - Direct3D11-accelerated decoding

  498. - Support Secure Transport

  499. - Multipart JPEG demuxer

  500. 

  501. 

  502. version 2.6:

  503. - nvenc encoder

  504. - 10bit spp filter

  505. - colorlevels filter

  506. - RIFX format for *.wav files

  507. - RTP/mpegts muxer

  508. - non continuous cache protocol support

  509. - tblend filter

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

  511. - Camellia symmetric block cipher

  512. - OpenH264 encoder wrapper

  513. - VOC seeking support

  514. - Closed caption Decoder

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

  516. - showpalette filter

  517. - Twofish symmetric block cipher

  518. - Support DNx100 (960x720@8)

  519. - eq2 filter ported from libmpcodecs as eq filter

  520. - removed libmpcodecs

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

  522. - ported softpulldown filter from libmpcodecs as repeatfields filter

  523. - dcshift filter

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

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

  526. - palettegen and paletteuse filters

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

  528. - RTP depacketizer for DV (RFC 6469)

  529. - DXVA2-accelerated HEVC decoding

  530. - AAC ELD 480 decoding

  531. - Intel QSV-accelerated H.264 decoding

  532. - DSS SP decoder and DSS demuxer

  533. - Fix stsd atom corruption in DNxHD QuickTimes

  534. - Canopus HQX decoder

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

  536. - Port MIPS optimizations to 64-bit

  537. 

  538. 

  539. version 2.5:

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

  541. - SUP/PGS subtitle demuxer

  542. - ffprobe -show_pixel_formats option

  543. - CAST128 symmetric block cipher, ECB mode

  544. - STL subtitle demuxer and decoder

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

  546. - XCB-based screen-grabber

  547. - UDP-Lite support (RFC 3828)

  548. - xBR scaling filter

  549. - AVFoundation screen capturing support

  550. - ffserver supports codec private options

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

  552. - WebP muxer with animated WebP support

  553. - zygoaudio decoding support

  554. - APNG demuxer

  555. - postproc visualization support

  556. 

  557. 

  558. version 2.4:

  559. - Icecast protocol

  560. - ported lenscorrection filter from frei0r filter

  561. - large optimizations in dctdnoiz to make it usable

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

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

  564. - LZMA compression support in TIFF decoder

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

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

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

  568. - Matroska 3D support thorugh side data

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

  570. - silenceremove filter

  571. 

  572. 

  573. version 2.3:

  574. - AC3 fixed-point decoding

  575. - shuffleplanes filter

  576. - subfile protocol

  577. - Phantom Cine demuxer

  578. - replaygain data export

  579. - VP7 video decoder

  580. - Alias PIX image encoder and decoder

  581. - Improvements to the BRender PIX image decoder

  582. - Improvements to the XBM decoder

  583. - QTKit input device

  584. - improvements to OpenEXR image decoder

  585. - support decoding 16-bit RLE SGI images

  586. - GDI screen grabbing for Windows

  587. - alternative rendition support for HTTP Live Streaming

  588. - AVFoundation input device

  589. - Direct Stream Digital (DSD) decoder

  590. - Magic Lantern Video (MLV) demuxer

  591. - On2 AVC (Audio for Video) decoder

  592. - support for decoding through DXVA2 in ffmpeg

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

  594. - libx264 reference frames count limiting depending on level

  595. - native Opus decoder

  596. - display matrix export and rotation API

  597. - WebVTT encoder

  598. - showcqt multimedia filter

  599. - zoompan filter

  600. - signalstats filter

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

  602. - flanger filter

  603. - Image format auto-detection

  604. - LRC demuxer and muxer

  605. - Samba protocol (via libsmbclient)

  606. - WebM DASH Manifest muxer

  607. - libfribidi support in drawtext

  608. 

  609. 

  610. version 2.2:

  611. 

  612. - HNM version 4 demuxer and video decoder

  613. - Live HDS muxer

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

  615. - elbg filter

  616. - string validation in ffprobe

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

  618. - complete Voxware MetaSound decoder

  619. - remove mp3_header_compress bitstream filter

  620. - Windows resource files for shared libraries

  621. - aeval filter

  622. - stereoscopic 3d metadata handling

  623. - WebP encoding via libwebp

  624. - ATRAC3+ decoder

  625. - VP8 in Ogg demuxing

  626. - side & metadata support in NUT

  627. - framepack filter

  628. - XYZ12 rawvideo support in NUT

  629. - Exif metadata support in WebP decoder

  630. - OpenGL device

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

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

  633. - Mirillis FIC video decoder

  634. - Support DNx444

  635. - libx265 encoder

  636. - dejudder filter

  637. - Autodetect VDA like all other hardware accelerations

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

  639. 

  640. 

  641. version 2.1:

  642. 

  643. - aecho filter

  644. - perspective filter ported from libmpcodecs

  645. - ffprobe -show_programs option

  646. - compand filter

  647. - RTMP seek support

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

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

  650.   the -noaccurate_seek option.

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

  652.   data read from an input file

  653. - incomplete Voxware MetaSound decoder

  654. - read EXIF metadata from JPEG

  655. - DVB teletext decoder

  656. - phase filter ported from libmpcodecs

  657. - w3fdif filter

  658. - Opus support in Matroska

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

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

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

  662.   more consistent with other muxers.

  663. - adelay filter

  664. - pullup filter ported from libmpcodecs

  665. - ffprobe -read_intervals option

  666. - Lossless and alpha support for WebP decoder

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

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

  669. - mux chapters in ASF files

  670. - SFTP protocol (via libssh)

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

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

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

  674.   the skip_alpha flag.

  675. - ladspa wrapper filter

  676. - native VP9 decoder

  677. - dpx parser

  678. - max_error_rate parameter in ffmpeg

  679. - PulseAudio output device

  680. - ReplayGain scanner

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

  682. - Linux framebuffer output device

  683. - HEVC decoder

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

  685. - mergeplanes filter

  686. 

  687. 

  688. version 2.0:

  689. 

  690. - curves filter

  691. - reference-counting for AVFrame and AVPacket data

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

  693.   or vice versa

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

  695. - perms and aperms filters

  696. - audio filtering support in ffplay

  697. - 10% faster aac encoding on x86 and MIPS

  698. - sine audio filter source

  699. - WebP demuxing and decoding support

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

  701.   filtergraph description to be read from a file

  702. - OpenCL support

  703. - audio phaser filter

  704. - separatefields filter

  705. - libquvi demuxer

  706. - uniform options syntax across all filters

  707. - telecine filter

  708. - interlace filter

  709. - smptehdbars source

  710. - inverse telecine filters (fieldmatch and decimate)

  711. - colorbalance filter

  712. - colorchannelmixer filter

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

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

  715. - decent native animated GIF encoding

  716. - asetrate filter

  717. - interleave filter

  718. - timeline editing with filters

  719. - vidstabdetect and vidstabtransform filters for video stabilization using

  720.   the vid.stab library

  721. - astats filter

  722. - trim and atrim filters

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

  724.   transcoding audio

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

  726. - extractplanes filter

  727. - avectorscope filter

  728. - ADPCM DTK decoder

  729. - ADP demuxer

  730. - RSD demuxer

  731. - RedSpark demuxer

  732. - ADPCM IMA Radical decoder

  733. - zmq filters

  734. - DCT denoiser filter (dctdnoiz)

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

  736. - Apple Intermediate Codec decoder

  737. - Escape 130 video decoder

  738. - FTP protocol support

  739. - V4L2 output device

  740. - 3D LUT filter (lut3d)

  741. - SMPTE 302M audio encoder

  742. - support for slice multithreading in libavfilter

  743. - Hald CLUT support (generation and filtering)

  744. - VC-1 interlaced B-frame support

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

  746. - XVideo output device

  747. - vignette filter

  748. - True Audio (TTA) encoder

  749. - Go2Webinar decoder

  750. - mcdeint filter ported from libmpcodecs

  751. - sab filter ported from libmpcodecs

  752. - ffprobe -show_chapters option

  753. - WavPack encoding through libwavpack

  754. - rotate filter

  755. - spp filter ported from libmpcodecs

  756. - libgme support

  757. - psnr filter

  758. 

  759. 

  760. version 1.2:

  761. 

  762. - VDPAU hardware acceleration through normal hwaccel

  763. - SRTP support

  764. - Error diffusion dither in Swscale

  765. - Chained Ogg support

  766. - Theora Midstream reconfiguration support

  767. - EVRC decoder

  768. - audio fade filter

  769. - filtering audio with unknown channel layout

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

  771.   and treble audio filter

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

  773. - histogram filter

  774. - tee muxer

  775. - il filter ported from libmpcodecs

  776. - support ID3v2 tags in ASF files

  777. - encrypted TTA stream decoding support

  778. - RF64 support in WAV muxer

  779. - noise filter ported from libmpcodecs

  780. - Subtitles character encoding conversion

  781. - blend filter

  782. - stereo3d filter ported from libmpcodecs

  783. 

  784. 

  785. version 1.1:

  786. 

  787. - stream disposition information printing in ffprobe

  788. - filter for loudness analysis following EBU R128

  789. - Opus encoder using libopus

  790. - ffprobe -select_streams option

  791. - Pinnacle TARGA CineWave YUV16 decoder

  792. - TAK demuxer, decoder and parser

  793. - DTS-HD demuxer

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

  795. - FFM2 support

  796. - X-Face image encoder and decoder

  797. - 24-bit FLAC encoding

  798. - multi-channel ALAC encoding up to 7.1

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

  800. - subtitles raw text decoder

  801. - support for building DLLs using MSVC

  802. - LVF demuxer

  803. - ffescape tool

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

  805. - field filter ported from libmpcodecs

  806. - AVR demuxer

  807. - geq filter ported from libmpcodecs

  808. - remove ffserver daemon mode

  809. - AST muxer/demuxer

  810. - new expansion syntax for drawtext

  811. - BRender PIX image decoder

  812. - ffprobe -show_entries option

  813. - ffprobe -sections option

  814. - ADPCM IMA Dialogic decoder

  815. - BRSTM demuxer

  816. - animated GIF decoder and demuxer

  817. - PVF demuxer

  818. - subtitles filter

  819. - IRCAM muxer/demuxer

  820. - Paris Audio File demuxer

  821. - Virtual concatenation demuxer

  822. - VobSub demuxer

  823. - JSON captions for TED talks decoding support

  824. - SOX Resampler support in libswresample

  825. - aselect filter

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

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

  828. - Silicon Graphics Movie demuxer

  829. - apad filter

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

  831. - documentation split into per-component manuals

  832. - pp (postproc) filter ported from MPlayer

  833. - NIST Sphere demuxer

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

  835. - Sony Wave64 muxer

  836. - adobe and limelight publisher authentication in RTMP

  837. - data: URI scheme

  838. - support building on the Plan 9 operating system

  839. - kerndeint filter ported from MPlayer

  840. - histeq filter ported from VirtualDub

  841. - Megalux Frame demuxer

  842. - 012v decoder

  843. - Improved AVC Intra decoding support

  844. 

  845. 

  846. version 1.0:

  847. 

  848. - INI and flat output in ffprobe

  849. - Scene detection in libavfilter

  850. - Indeo Audio decoder

  851. - channelsplit audio filter

  852. - setnsamples audio filter

  853. - atempo filter

  854. - ffprobe -show_data option

  855. - RTMPT protocol support

  856. - iLBC encoding/decoding via libilbc

  857. - Microsoft Screen 1 decoder

  858. - join audio filter

  859. - audio channel mapping filter

  860. - Microsoft ATC Screen decoder

  861. - RTSP listen mode

  862. - TechSmith Screen Codec 2 decoder

  863. - AAC encoding via libfdk-aac

  864. - Microsoft Expression Encoder Screen decoder

  865. - RTMPS protocol support

  866. - RTMPTS protocol support

  867. - RTMPE protocol support

  868. - RTMPTE protocol support

  869. - showwaves and showspectrum filter

  870. - LucasArts SMUSH SANM playback support

  871. - LucasArts SMUSH VIMA audio decoder (ADPCM)

  872. - LucasArts SMUSH demuxer

  873. - SAMI, RealText and SubViewer demuxers and decoders

  874. - Heart Of Darkness PAF playback support

  875. - iec61883 device

  876. - asettb filter

  877. - new option: -progress

  878. - 3GPP Timed Text encoder/decoder

  879. - GeoTIFF decoder support

  880. - ffmpeg -(no)stdin option

  881. - Opus decoder using libopus

  882. - caca output device using libcaca

  883. - alphaextract and alphamerge filters

  884. - concat filter

  885. - flite filter

  886. - Canopus Lossless Codec decoder

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

  888. - MP2 encoding via TwoLAME

  889. - bmp parser

  890. - smptebars source

  891. - asetpts filter

  892. - hue filter

  893. - ICO muxer

  894. - SubRip encoder and decoder without embedded timing

  895. - edge detection filter

  896. - framestep filter

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

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

  899. - volume measurement filter

  900. - Ut Video encoder

  901. - Microsoft Screen 2 decoder

  902. - smartblur filter ported from MPlayer

  903. - CPiA decoder

  904. - decimate filter ported from MPlayer

  905. - RTP depacketization of JPEG

  906. - Smooth Streaming live segmenter muxer

  907. - F4V muxer

  908. - sendcmd and asendcmd filters

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

  910. - RTP packetization of JPEG

  911. - faststart option in the MOV/MP4 muxer

  912. - support for building with MSVC

  913. 

  914. 

  915. version 0.11:

  916. 

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

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

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

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

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

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

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

  924. - setfield filter

  925. - CDXL demuxer and decoder

  926. - Apple ProRes encoder

  927. - ffprobe -count_packets and -count_frames options

  928. - Sun Rasterfile Encoder

  929. - ID3v2 attached pictures reading and writing

  930. - WMA Lossless decoder

  931. - bluray protocol

  932. - blackdetect filter

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

  934. - swapuv filter

  935. - bbox filter

  936. - XBM encoder and decoder

  937. - RealAudio Lossless decoder

  938. - ZeroCodec decoder

  939. - tile video filter

  940. - Metal Gear Solid: The Twin Snakes demuxer

  941. - OpenEXR image decoder

  942. - removelogo filter

  943. - drop support for ffmpeg without libavfilter

  944. - drawtext video filter: fontconfig support

  945. - ffmpeg -benchmark_all option

  946. - super2xsai filter ported from libmpcodecs

  947. - add libavresample audio conversion library for compatibility

  948. - MicroDVD decoder

  949. - Avid Meridien (AVUI) encoder and decoder

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

  951. - complete audio filtering in libavfilter and ffmpeg

  952. - add fps filter

  953. - vorbis parser

  954. - png parser

  955. - audio mix filter

  956. - ffv1: support (draft) version 1.3

  957. 

  958. 

  959. version 0.10:

  960. 

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

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

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

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

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

  966. - SBaGen (SBG) binaural beats script demuxer

  967. - OpenMG Audio muxer

  968. - Timecode extraction in DV and MOV

  969. - thumbnail video filter

  970. - XML output in ffprobe

  971. - asplit audio filter

  972. - tinterlace video filter

  973. - astreamsync audio filter

  974. - amerge audio filter

  975. - ISMV (Smooth Streaming) muxer

  976. - GSM audio parser

  977. - SMJPEG muxer

  978. - XWD encoder and decoder

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

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

  981. - ffprobe -show_error option

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

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

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

  985. - ffprobe -show_frames option

  986. - silencedetect audio filter

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

  988. - rv34: frame-level multi-threading

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

  990. - Improved PGS subtitle decoder

  991. - dumpgraph option to lavfi device

  992. - r210 and r10k encoders

  993. - ffwavesynth decoder

  994. - aviocat tool

  995. - ffeval tool

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

  997. 

  998. 

  999. version 0.9:

  1000. 

  1001. - openal input device added

  1002. - boxblur filter added

  1003. - BWF muxer

  1004. - Flash Screen Video 2 decoder

  1005. - lavfi input device added

  1006. - added avconv, which is almost the same for now, except

  1007. for a few incompatible changes in the options, which will hopefully make them

  1008. easier to use. The changes are:

  1009.     * The options placement is now strictly enforced! While in theory the

  1010.       options for ffmpeg should be given in [input options] -i INPUT [output

  1011.       options] OUTPUT order, in practice it was possible to give output options

  1012.       before the -i and it mostly worked. Except when it didn't - the behavior was

  1013.       a bit inconsistent. In avconv, it is not possible to mix input and output

  1014.       options. All non-global options are reset after an input or output filename.

  1015.     * All per-file options are now truly per-file - they apply only to the next

  1016.       input or output file and specifying different values for different files

  1017.       will now work properly (notably -ss and -t options).

  1018.     * All per-stream options are now truly per-stream - it is possible to

  1019.       specify which stream(s) should a given option apply to. See the Stream

  1020.       specifiers section in the avconv manual for details.

  1021.     * In ffmpeg some options (like -newvideo/-newaudio/...) are irregular in the

  1022.       sense that they're specified after the output filename instead of before,

  1023.       like all other options. In avconv this irregularity is removed, all options

  1024.       apply to the next input or output file.

  1025.     * -newvideo/-newaudio/-newsubtitle options were removed. Not only were they

  1026.       irregular and highly confusing, they were also redundant. In avconv the -map

  1027.       option will create new streams in the output file and map input streams to

  1028.       them. E.g. avconv -i INPUT -map 0 OUTPUT will create an output stream for

  1029.       each stream in the first input file.

  1030.     * The -map option now has slightly different and more powerful syntax:

  1031.         + Colons (':') are used to separate file index/stream type/stream index

  1032.           instead of dots. Comma (',') is used to separate the sync stream instead

  1033.           of colon.. This is done for consistency with other options.

  1034.         + It's possible to specify stream type. E.g. -map 0:a:2 creates an

  1035.           output stream from the third input audio stream.

  1036.         + Omitting the stream index now maps all the streams of the given type,

  1037.           not just the first. E.g. -map 0:s creates output streams for all the

  1038.           subtitle streams in the first input file.

  1039.         + Since -map can now match multiple streams, negative mappings were

  1040.           introduced. Negative mappings disable some streams from an already

  1041.           defined map. E.g. '-map 0 -map -0:a:1' means 'create output streams for

  1042.           all the stream in the first input file, except for the second audio

  1043.           stream'.

  1044.     * There is a new option -c (or -codec) for choosing the decoder/encoder to

  1045.       use, which makes it possible to precisely specify target stream(s) consistently with

  1046.       other options. E.g. -c:v lib264 sets the codec for all video streams, -c:a:0

  1047.       libvorbis sets the codec for the first audio stream and -c copy copies all

  1048.       the streams without reencoding. Old -vcodec/-acodec/-scodec options are now

  1049.       aliases to -c:v/a/s

  1050.     * It is now possible to precisely specify which stream should an AVOption

  1051.       apply to. E.g. -b:v:0 2M sets the bitrate for the first video stream, while

  1052.       -b:a 128k sets the bitrate for all audio streams. Note that the old -ab 128k

  1053.       syntax is deprecated and will stop working soon.

  1054.     * -map_chapters now takes only an input file index and applies to the next

  1055.       output file. This is consistent with how all the other options work.

  1056.     * -map_metadata now takes only an input metadata specifier and applies to

  1057.       the next output file. Output metadata specifier is now part of the option

  1058.       name, similarly to the AVOptions/map/codec feature above.

  1059.     * -metadata can now be used to set metadata on streams and chapters, e.g.

  1060.       -metadata:s:1 language=eng sets the language of the first stream to 'eng'.

  1061.       This made -vlang/-alang/-slang options redundant, so they were removed.

  1062.     * -qscale option now uses stream specifiers and applies to all streams, not

  1063.       just video. I.e. plain -qscale number would now apply to all streams. To get

  1064.       the old behavior, use -qscale:v. Also there is now a shortcut -q for -qscale

  1065.       and -aq is now an alias for -q:a.

  1066.     * -vbsf/-absf/-sbsf options were removed and replaced by a -bsf option which

  1067.       uses stream specifiers. Use -bsf:v/a/s instead of the old options.

  1068.     * -itsscale option now uses stream specifiers, so its argument is only the

  1069.       scale parameter.

  1070.     * -intra option was removed, use -g 0 for the same effect.

  1071.     * -psnr option was removed, use -flags +psnr for the same effect.

  1072.     * -vf option is now an alias to the new -filter option, which uses stream specifiers.

  1073.     * -vframes/-aframes/-dframes options are now aliases to the new -frames option.

  1074.     * -vtag/-atag/-stag options are now aliases to the new -tag option.

  1075. - XMV demuxer

  1076. - LOAS demuxer

  1077. - ashowinfo filter added

  1078. - Windows Media Image decoder

  1079. - amovie source added

  1080. - LATM muxer/demuxer

  1081. - Speex encoder via libspeex

  1082. - JSON output in ffprobe

  1083. - WTV muxer

  1084. - Optional C++ Support (needed for libstagefright)

  1085. - H.264 Decoding on Android via Stagefright

  1086. - Prores decoder

  1087. - BIN/XBIN/ADF/IDF text file decoder

  1088. - aconvert audio filter added

  1089. - audio support to lavfi input device added

  1090. - libcdio-paranoia input device for audio CD grabbing

  1091. - Apple ProRes decoder

  1092. - CELT in Ogg demuxing

  1093. - G.723.1 demuxer and decoder

  1094. - libmodplug support (--enable-libmodplug)

  1095. - VC-1 interlaced decoding

  1096. - libutvideo wrapper (--enable-libutvideo)

  1097. - aevalsrc audio source added

  1098. - Ut Video decoder

  1099. - Speex encoding via libspeex

  1100. - 4:2:2 H.264 decoding support

  1101. - 4:2:2 and 4:4:4 H.264 encoding with libx264

  1102. - Pulseaudio input device

  1103. - Prores encoder

  1104. - Video Decoder Acceleration (VDA) HWAccel module.

  1105. - replacement Indeo 3 decoder

  1106. - new ffmpeg option: -map_channel

  1107. - volume audio filter added

  1108. - earwax audio filter added

  1109. - libv4l2 support (--enable-libv4l2)

  1110. - TLS/SSL and HTTPS protocol support

  1111. - AVOptions API rewritten and documented

  1112. - most of CODEC_FLAG2_*, some CODEC_FLAG_* and many codec-specific fields in

  1113.   AVCodecContext deprecated. Codec private options should be used instead.

  1114. - Properly working defaults in libx264 wrapper, support for native presets.

  1115. - Encrypted OMA files support

  1116. - Discworld II BMV decoding support

  1117. - VBLE Decoder

  1118. - OS X Video Decoder Acceleration (VDA) support

  1119. - compact and csv output in ffprobe

  1120. - pan audio filter

  1121. - IFF Amiga Continuous Bitmap (ACBM) decoder

  1122. - ass filter

  1123. - CRI ADX audio format muxer and demuxer

  1124. - Playstation Portable PMP format demuxer

  1125. - Microsoft Windows ICO demuxer

  1126. - life source

  1127. - PCM format support in OMA demuxer

  1128. - CLJR encoder

  1129. - new option: -report

  1130. - Dxtory capture format decoder

  1131. - cellauto source

  1132. - Simple segmenting muxer

  1133. - Indeo 4 decoder

  1134. - SMJPEG demuxer

  1135. 

  1136. 

  1137. version 0.8:

  1138. 

  1139. - many many things we forgot because we rather write code than changelogs

  1140. - WebM support in Matroska de/muxer

  1141. - low overhead Ogg muxing

  1142. - MMS-TCP support

  1143. - VP8 de/encoding via libvpx

  1144. - Demuxer for On2's IVF format

  1145. - Pictor/PC Paint decoder

  1146. - HE-AAC v2 decoder

  1147. - HE-AAC v2 encoding with libaacplus

  1148. - libfaad2 wrapper removed

  1149. - DTS-ES extension (XCh) decoding support

  1150. - native VP8 decoder

  1151. - RTSP tunneling over HTTP

  1152. - RTP depacketization of SVQ3

  1153. - -strict inofficial replaced by -strict unofficial

  1154. - ffplay -exitonkeydown and -exitonmousedown options added

  1155. - native GSM / GSM MS decoder

  1156. - RTP depacketization of QDM2

  1157. - ANSI/ASCII art playback system

  1158. - Lego Mindstorms RSO de/muxer

  1159. - libavcore added (and subsequently removed)

  1160. - SubRip subtitle file muxer and demuxer

  1161. - Chinese AVS encoding via libxavs

  1162. - ffprobe -show_packets option added

  1163. - RTP packetization of Theora and Vorbis

  1164. - RTP depacketization of MP4A-LATM

  1165. - RTP packetization and depacketization of VP8

  1166. - hflip filter

  1167. - Apple HTTP Live Streaming demuxer

  1168. - a64 codec

  1169. - MMS-HTTP support

  1170. - G.722 ADPCM audio encoder/decoder

  1171. - R10k video decoder

  1172. - ocv_smooth filter

  1173. - frei0r wrapper filter

  1174. - change crop filter syntax to width:height:x:y

  1175. - make the crop filter accept parametric expressions

  1176. - make ffprobe accept AVFormatContext options

  1177. - yadif filter

  1178. - blackframe filter

  1179. - Demuxer for Leitch/Harris' VR native stream format (LXF)

  1180. - RTP depacketization of the X-QT QuickTime format

  1181. - SAP (Session Announcement Protocol, RFC 2974) muxer and demuxer

  1182. - cropdetect filter

  1183. - ffmpeg -crop* options removed

  1184. - transpose filter added

  1185. - ffmpeg -force_key_frames option added

  1186. - demuxer for receiving raw rtp:// URLs without an SDP description

  1187. - single stream LATM/LOAS decoder

  1188. - setpts filter added

  1189. - Win64 support for optimized x86 assembly functions

  1190. - MJPEG/AVI1 to JPEG/JFIF bitstream filter

  1191. - ASS subtitle encoder and decoder

  1192. - IEC 61937 encapsulation for E-AC-3, TrueHD, DTS-HD (for HDMI passthrough)

  1193. - overlay filter added

  1194. - rename aspect filter to setdar, and pixelaspect to setsar

  1195. - IEC 61937 demuxer

  1196. - Mobotix .mxg demuxer

  1197. - frei0r source added

  1198. - hqdn3d filter added

  1199. - RTP depacketization of QCELP

  1200. - FLAC parser added

  1201. - gradfun filter added

  1202. - AMR-WB decoder

  1203. - replace the ocv_smooth filter with a more generic ocv filter

  1204. - Windows Televison (WTV) demuxer

  1205. - FFmpeg metadata format muxer and demuxer

  1206. - SubRip (srt) subtitle encoder and decoder

  1207. - floating-point AC-3 encoder added

  1208. - Lagarith decoder

  1209. - ffmpeg -copytb option added

  1210. - IVF muxer added

  1211. - Wing Commander IV movies decoder added

  1212. - movie source added

  1213. - Bink version 'b' audio and video decoder

  1214. - Bitmap Brothers JV playback system

  1215. - Apple HTTP Live Streaming protocol handler

  1216. - sndio support for playback and record

  1217. - Linux framebuffer input device added

  1218. - Chronomaster DFA decoder

  1219. - DPX image encoder

  1220. - MicroDVD subtitle file muxer and demuxer

  1221. - Playstation Portable PMP format demuxer

  1222. - fieldorder video filter added

  1223. - AAC encoding via libvo-aacenc

  1224. - AMR-WB encoding via libvo-amrwbenc

  1225. - xWMA demuxer

  1226. - Mobotix MxPEG decoder

  1227. - VP8 frame-multithreading

  1228. - NEON optimizations for VP8

  1229. - Lots of deprecated API cruft removed

  1230. - fft and imdct optimizations for AVX (Sandy Bridge) processors

  1231. - showinfo filter added

  1232. - SMPTE 302M AES3 audio decoder

  1233. - Apple Core Audio Format muxer

  1234. - 9 bits and 10 bits per sample support in the H.264 decoder

  1235. - 9 bits and 10 bits FFV1 encoding / decoding

  1236. - split filter added

  1237. - select filter added

  1238. - sdl output device added

  1239. - libmpcodecs video filter support (3 times as many filters than before)

  1240. - mpeg2 aspect ratio dection fixed

  1241. - libxvid aspect pickiness fixed

  1242. - Frame multithreaded decoding

  1243. - E-AC-3 audio encoder

  1244. - ac3enc: add channel coupling support

  1245. - floating-point sample format support to the ac3, eac3, dca, aac, and vorbis decoders.

  1246. - H264/MPEG frame-level multi-threading

  1247. - All av_metadata_* functions renamed to av_dict_* and moved to libavutil

  1248. - 4:4:4 H.264 decoding support

  1249. - 10-bit H.264 optimizations for x86

  1250. - lut, lutrgb, and lutyuv filters added

  1251. - buffersink libavfilter sink added

  1252. - Bump libswscale for recently reported ABI break

  1253. - New J2K encoder (via OpenJPEG)

  1254. 

  1255. 

  1256. version 0.7:

  1257. 

  1258. - all the changes for 0.8, but keeping API/ABI compatibility with the 0.6 release

  1259. 

  1260. 

  1261. version 0.6:

  1262. 

  1263. - PB-frame decoding for H.263

  1264. - deprecated vhook subsystem removed

  1265. - deprecated old scaler removed

  1266. - VQF demuxer

  1267. - Alpha channel scaler

  1268. - PCX encoder

  1269. - RTP packetization of H.263

  1270. - RTP packetization of AMR

  1271. - RTP depacketization of Vorbis

  1272. - CorePNG decoding support

  1273. - Cook multichannel decoding support

  1274. - introduced avlanguage helpers in libavformat

  1275. - 8088flex TMV demuxer and decoder

  1276. - per-stream language-tags extraction in asfdec

  1277. - V210 decoder and encoder

  1278. - remaining GPL parts in AC-3 decoder converted to LGPL

  1279. - QCP demuxer

  1280. - SoX native format muxer and demuxer

  1281. - AMR-NB decoding/encoding, AMR-WB decoding via OpenCORE libraries

  1282. - DPX image decoder

  1283. - Electronic Arts Madcow decoder

  1284. - DivX (XSUB) subtitle encoder

  1285. - nonfree libamr support for AMR-NB/WB decoding/encoding removed

  1286. - experimental AAC encoder

  1287. - RTP depacketization of ASF and RTSP from WMS servers

  1288. - RTMP support in libavformat

  1289. - noX handling for OPT_BOOL X options

  1290. - Wave64 demuxer

  1291. - IEC-61937 compatible Muxer

  1292. - TwinVQ decoder

  1293. - Bluray (PGS) subtitle decoder

  1294. - LPCM support in MPEG-TS (HDMV RID as found on Blu-ray disks)

  1295. - WMA Pro decoder

  1296. - Core Audio Format demuxer

  1297. - ATRAC1 decoder

  1298. - MD STUDIO audio demuxer

  1299. - RF64 support in WAV demuxer

  1300. - MPEG-4 Audio Lossless Coding (ALS) decoder

  1301. - -formats option split into -formats, -codecs, -bsfs, and -protocols

  1302. - IV8 demuxer

  1303. - CDG demuxer and decoder

  1304. - R210 decoder

  1305. - Auravision Aura 1 and 2 decoders

  1306. - Deluxe Paint Animation playback system

  1307. - SIPR decoder

  1308. - Adobe Filmstrip muxer and demuxer

  1309. - RTP depacketization of H.263

  1310. - Bink demuxer and audio/video decoders

  1311. - enable symbol versioning by default for linkers that support it

  1312. - IFF PBM/ILBM bitmap decoder

  1313. - concat protocol

  1314. - Indeo 5 decoder

  1315. - RTP depacketization of AMR

  1316. - WMA Voice decoder

  1317. - ffprobe tool

  1318. - AMR-NB decoder

  1319. - RTSP muxer

  1320. - HE-AAC v1 decoder

  1321. - Kega Game Video (KGV1) decoder

  1322. - VorbisComment writing for FLAC, Ogg FLAC and Ogg Speex files

  1323. - RTP depacketization of Theora

  1324. - HTTP Digest authentication

  1325. - RTMP/RTMPT/RTMPS/RTMPE/RTMPTE protocol support via librtmp

  1326. - Psygnosis YOP demuxer and video decoder

  1327. - spectral extension support in the E-AC-3 decoder

  1328. - unsharp video filter

  1329. - RTP hinting in the mov/3gp/mp4 muxer

  1330. - Dirac in Ogg demuxing

  1331. - seek to keyframes in Ogg

  1332. - 4:2:2 and 4:4:4 Theora decoding

  1333. - 35% faster VP3/Theora decoding

  1334. - faster AAC decoding

  1335. - faster H.264 decoding

  1336. - RealAudio 1.0 (14.4K) encoder

  1337. 

  1338. 

  1339. version 0.5:

  1340. 

  1341. - DV50 AKA DVCPRO50 encoder, decoder, muxer and demuxer

  1342. - TechSmith Camtasia (TSCC) video decoder

  1343. - IBM Ultimotion (ULTI) video decoder

  1344. - Sierra Online audio file demuxer and decoder

  1345. - Apple QuickDraw (qdrw) video decoder

  1346. - Creative ADPCM audio decoder (16 bits as well as 8 bits schemes)

  1347. - Electronic Arts Multimedia (WVE/UV2/etc.) file demuxer

  1348. - Miro VideoXL (VIXL) video decoder

  1349. - H.261 video encoder

  1350. - QPEG video decoder

  1351. - Nullsoft Video (NSV) file demuxer

  1352. - Shorten audio decoder

  1353. - LOCO video decoder

  1354. - Apple Lossless Audio Codec (ALAC) decoder

  1355. - Winnov WNV1 video decoder

  1356. - Autodesk Animator Studio Codec (AASC) decoder

  1357. - Indeo 2 video decoder

  1358. - Fraps FPS1 video decoder

  1359. - Snow video encoder/decoder

  1360. - Sonic audio encoder/decoder

  1361. - Vorbis audio decoder

  1362. - Macromedia ADPCM decoder

  1363. - Duck TrueMotion 2 video decoder

  1364. - support for decoding FLX and DTA extensions in FLIC files

  1365. - H.264 custom quantization matrices support

  1366. - ffserver fixed, it should now be usable again

  1367. - QDM2 audio decoder

  1368. - Real Cooker audio decoder

  1369. - TrueSpeech audio decoder

  1370. - WMA2 audio decoder fixed, now all files should play correctly

  1371. - RealAudio 14.4 and 28.8 decoders fixed

  1372. - JPEG-LS decoder

  1373. - build system improvements

  1374. - tabs and trailing whitespace removed from the codebase

  1375. - CamStudio video decoder

  1376. - AIFF/AIFF-C audio format, encoding and decoding

  1377. - ADTS AAC file reading and writing

  1378. - Creative VOC file reading and writing

  1379. - American Laser Games multimedia (*.mm) playback system

  1380. - Zip Motion Blocks Video decoder

  1381. - improved Theora/VP3 decoder

  1382. - True Audio (TTA) decoder

  1383. - AVS demuxer and video decoder

  1384. - JPEG-LS encoder

  1385. - Smacker demuxer and decoder

  1386. - NuppelVideo/MythTV demuxer and RTjpeg decoder

  1387. - KMVC decoder

  1388. - MPEG-2 intra VLC support

  1389. - MPEG-2 4:2:2 encoder

  1390. - Flash Screen Video decoder

  1391. - GXF demuxer

  1392. - Chinese AVS decoder

  1393. - GXF muxer

  1394. - MXF demuxer

  1395. - VC-1/WMV3/WMV9 video decoder

  1396. - MacIntel support

  1397. - AviSynth support

  1398. - VMware video decoder

  1399. - VP5 video decoder

  1400. - VP6 video decoder

  1401. - WavPack lossless audio decoder

  1402. - Targa (.TGA) picture decoder

  1403. - Vorbis audio encoder

  1404. - Delphine Software .cin demuxer/audio and video decoder

  1405. - Tiertex .seq demuxer/video decoder

  1406. - MTV demuxer

  1407. - TIFF picture encoder and decoder

  1408. - GIF picture decoder

  1409. - Intel Music Coder decoder

  1410. - Zip Motion Blocks Video encoder

  1411. - Musepack decoder

  1412. - Flash Screen Video encoder

  1413. - Theora encoding via libtheora

  1414. - BMP encoder

  1415. - WMA encoder

  1416. - GSM-MS encoder and decoder

  1417. - DCA decoder

  1418. - DXA demuxer and decoder

  1419. - DNxHD decoder

  1420. - Gamecube movie (.THP) playback system

  1421. - Blackfin optimizations

  1422. - Interplay C93 demuxer and video decoder

  1423. - Bethsoft VID demuxer and video decoder

  1424. - CRYO APC demuxer

  1425. - ATRAC3 decoder

  1426. - V.Flash PTX decoder

  1427. - RoQ muxer, RoQ audio encoder

  1428. - Renderware TXD demuxer and decoder

  1429. - extern C declarations for C++ removed from headers

  1430. - sws_flags command line option

  1431. - codebook generator

  1432. - RoQ video encoder

  1433. - QTRLE encoder

  1434. - OS/2 support removed and restored again

  1435. - AC-3 decoder

  1436. - NUT muxer

  1437. - additional SPARC (VIS) optimizations

  1438. - Matroska muxer

  1439. - slice-based parallel H.264 decoding

  1440. - Monkey's Audio demuxer and decoder

  1441. - AMV audio and video decoder

  1442. - DNxHD encoder

  1443. - H.264 PAFF decoding

  1444. - Nellymoser ASAO decoder

  1445. - Beam Software SIFF demuxer and decoder

  1446. - libvorbis Vorbis decoding removed in favor of native decoder

  1447. - IntraX8 (J-Frame) subdecoder for WMV2 and VC-1

  1448. - Ogg (Theora, Vorbis and FLAC) muxer

  1449. - The "device" muxers and demuxers are now in a new libavdevice library

  1450. - PC Paintbrush PCX decoder

  1451. - Sun Rasterfile decoder

  1452. - TechnoTrend PVA demuxer

  1453. - Linux Media Labs MPEG-4 (LMLM4) demuxer

  1454. - AVM2 (Flash 9) SWF muxer

  1455. - QT variant of IMA ADPCM encoder

  1456. - VFW grabber

  1457. - iPod/iPhone compatible mp4 muxer

  1458. - Mimic decoder

  1459. - MSN TCP Webcam stream demuxer

  1460. - RL2 demuxer / decoder

  1461. - IFF demuxer

  1462. - 8SVX audio decoder

  1463. - non-recursive Makefiles

  1464. - BFI demuxer

  1465. - MAXIS EA XA (.xa) demuxer / decoder

  1466. - BFI video decoder

  1467. - OMA demuxer

  1468. - MLP/TrueHD decoder

  1469. - Electronic Arts CMV decoder

  1470. - Motion Pixels Video decoder

  1471. - Motion Pixels MVI demuxer

  1472. - removed animated GIF decoder/demuxer

  1473. - D-Cinema audio muxer

  1474. - Electronic Arts TGV decoder

  1475. - Apple Lossless Audio Codec (ALAC) encoder

  1476. - AAC decoder

  1477. - floating point PCM encoder/decoder

  1478. - MXF muxer

  1479. - DV100 AKA DVCPRO HD decoder and demuxer

  1480. - E-AC-3 support added to AC-3 decoder

  1481. - Nellymoser ASAO encoder

  1482. - ASS and SSA demuxer and muxer

  1483. - liba52 wrapper removed

  1484. - SVQ3 watermark decoding support

  1485. - Speex decoding via libspeex

  1486. - Electronic Arts TGQ decoder

  1487. - RV40 decoder

  1488. - QCELP / PureVoice decoder

  1489. - RV30 decoder

  1490. - hybrid WavPack support

  1491. - R3D REDCODE demuxer

  1492. - ALSA support for playback and record

  1493. - Electronic Arts TQI decoder

  1494. - OpenJPEG based JPEG 2000 decoder

  1495. - NC (NC4600) camera file demuxer

  1496. - Gopher client support

  1497. - MXF D-10 muxer

  1498. - generic metadata API

  1499. - flash ScreenVideo2 encoder

  1500. 

  1501. 

  1502. version 0.4.9-pre1:

  1503. 

  1504. - DV encoder, DV muxer

  1505. - Microsoft RLE video decoder

  1506. - Microsoft Video-1 decoder

  1507. - Apple Animation (RLE) decoder

  1508. - Apple Graphics (SMC) decoder

  1509. - Apple Video (RPZA) decoder

  1510. - Cinepak decoder

  1511. - Sega FILM (CPK) file demuxer

  1512. - Westwood multimedia support (VQA & AUD files)

  1513. - Id Quake II CIN playback support

  1514. - 8BPS video decoder

  1515. - FLIC playback support

  1516. - RealVideo 2.0 (RV20) decoder

  1517. - Duck TrueMotion v1 (DUCK) video decoder

  1518. - Sierra VMD demuxer and video decoder

  1519. - MSZH and ZLIB decoder support

  1520. - SVQ1 video encoder

  1521. - AMR-WB support

  1522. - PPC optimizations

  1523. - rate distortion optimal cbp support

  1524. - rate distorted optimal ac prediction for MPEG-4

  1525. - rate distorted optimal lambda->qp support

  1526. - AAC encoding with libfaac

  1527. - Sunplus JPEG codec (SP5X) support

  1528. - use Lagrange multiplier instead of QP for ratecontrol

  1529. - Theora/VP3 decoding support

  1530. - XA and ADX ADPCM codecs

  1531. - export MPEG-2 active display area / pan scan

  1532. - Add support for configuring with IBM XLC

  1533. - floating point AAN DCT

  1534. - initial support for zygo video (not complete)

  1535. - RGB ffv1 support

  1536. - new audio/video parser API

  1537. - av_log() system

  1538. - av_read_frame() and av_seek_frame() support

  1539. - missing last frame fixes

  1540. - seek by mouse in ffplay

  1541. - noise reduction of DCT coefficients

  1542. - H.263 OBMC & 4MV support

  1543. - H.263 alternative inter vlc support

  1544. - H.263 loop filter

  1545. - H.263 slice structured mode

  1546. - interlaced DCT support for MPEG-2 encoding

  1547. - stuffing to stay above min_bitrate

  1548. - MB type & QP visualization

  1549. - frame stepping for ffplay

  1550. - interlaced motion estimation

  1551. - alternate scantable support

  1552. - SVCD scan offset support

  1553. - closed GOP support

  1554. - SSE2 FDCT

  1555. - quantizer noise shaping

  1556. - G.726 ADPCM audio codec

  1557. - MS ADPCM encoding

  1558. - multithreaded/SMP motion estimation

  1559. - multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263

  1560. - multithreaded/SMP decoding for MPEG-2

  1561. - FLAC decoder

  1562. - Metrowerks CodeWarrior suppport

  1563. - H.263+ custom pcf support

  1564. - nicer output for 'ffmpeg -formats'

  1565. - Matroska demuxer

  1566. - SGI image format, encoding and decoding

  1567. - H.264 loop filter support

  1568. - H.264 CABAC support

  1569. - nicer looking arrows for the motion vector visualization

  1570. - improved VCD support

  1571. - audio timestamp drift compensation

  1572. - MPEG-2 YUV 422/444 support

  1573. - polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample

  1574. - better image scaling

  1575. - H.261 support

  1576. - correctly interleave packets during encoding

  1577. - VIS optimized motion compensation

  1578. - intra_dc_precision>0 encoding support

  1579. - support reuse of motion vectors/MB types/field select values of the source video

  1580. - more accurate deblock filter

  1581. - padding support

  1582. - many optimizations and bugfixes

  1583. - FunCom ISS audio file demuxer and according ADPCM decoding

  1584. 

  1585. 

  1586. version 0.4.8:

  1587. 

  1588. - MPEG-2 video encoding (Michael)

  1589. - Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)

  1590. - Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson

  1591.   and Mario Brito)

  1592. - Xan DPCM audio decoder (Mario Brito)

  1593. - Interplay MVE playback subsystem (Mike Melanson)

  1594. - Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)

  1595. 

  1596. 

  1597. version 0.4.7:

  1598. 

  1599. - RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from mplayerhq

  1600.   (originally from public domain player for Amiga at http://www.honeypot.net/audio)

  1601. - current version now also compiles with older GCC (Fabrice)

  1602. - 4X multimedia playback system including 4xm file demuxer (Mike

  1603.   Melanson), and 4X video and audio codecs (Michael)

  1604. - Creative YUV (CYUV) decoder (Mike Melanson)

  1605. - FFV1 codec (our very simple lossless intra only codec, compresses much better

  1606.   than HuffYUV) (Michael)

  1607. - ASV1 (Asus), H.264, Intel indeo3 codecs have been added (various)

  1608. - tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with

  1609.   alpha support), JPEG YUV colorspace support. (Fabrice Bellard)

  1610. - ffplay has been replaced with a newer version which uses SDL (optionally)

  1611.   for multiplatform support (Fabrice)

  1612. - Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated

  1613.   by anonymous

  1614. - AMR format has been added (Johannes Carlsson)

  1615. - 3GP support has been added (Johannes Carlsson)

  1616. - VP3 codec has been added (Mike Melanson)

  1617. - more MPEG-1/2 fixes

  1618. - better multiplatform support, MS Visual Studio fixes (various)

  1619. - AltiVec optimizations (Magnus Damn and others)

  1620. - SH4 processor support has been added (BERO)

  1621. - new public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)

  1622. - VOB streaming support (Brian Foley)

  1623. - better MP3 autodetection (Andriy Rysin)

  1624. - qpel encoding (Michael)

  1625. - 4mv+b frames encoding finally fixed (Michael)

  1626. - chroma ME (Michael)

  1627. - 5 comparison functions for ME (Michael)

  1628. - B-frame encoding speedup (Michael)

  1629. - WMV2 codec (unfinished - Michael)

  1630. - user specified diamond size for EPZS (Michael)

  1631. - Playstation STR playback subsystem, still experimental (Mike and Michael)

  1632. - ASV2 codec (Michael)

  1633. - CLJR decoder (Alex)

  1634. 

  1635. .. And lots more new enhancements and fixes.

  1636. 

  1637. 

  1638. version 0.4.6:

  1639. 

  1640. - completely new integer only MPEG audio layer 1/2/3 decoder rewritten

  1641.   from scratch

  1642. - Recoded DCT and motion vector search with gcc (no longer depends on nasm)

  1643. - fix quantization bug in AC3 encoder

  1644. - added PCM codecs and format. Corrected WAV/AVI/ASF PCM issues

  1645. - added prototype ffplay program

  1646. - added GOB header parsing on H.263/H.263+ decoder (Juanjo)

  1647. - bug fix on MCBPC tables of H.263 (Juanjo)

  1648. - bug fix on DC coefficients of H.263 (Juanjo)

  1649. - added Advanced Prediction Mode on H.263/H.263+ decoder (Juanjo)

  1650. - now we can decode H.263 streams found in QuickTime files (Juanjo)

  1651. - now we can decode H.263 streams found in VIVO v1 files(Juanjo)

  1652. - preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)

  1653. - added GOB header for H.263/H.263+ coding on RTP mode (Juanjo)

  1654. - now H.263 picture size is returned on the first decoded frame (Juanjo)

  1655. - added first regression tests

  1656. - added MPEG-2 TS demuxer

  1657. - new demux API for libav

  1658. - more accurate and faster IDCT (Michael)

  1659. - faster and entropy-controlled motion search (Michael)

  1660. - two pass video encoding (Michael)

  1661. - new video rate control (Michael)

  1662. - added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)

  1663. - great performance improvement of video encoders and decoders (Michael)

  1664. - new and faster bit readers and vlc parsers (Michael)

  1665. - high quality encoding mode: tries all macroblock/VLC types (Michael)

  1666. - added DV video decoder

  1667. - preliminary RTP/RTSP support in ffserver and libavformat

  1668. - H.263+ AIC decoding/encoding support (Juanjo)

  1669. - VCD MPEG-PS mode (Juanjo)

  1670. - PSNR stuff (Juanjo)

  1671. - simple stats output (Juanjo)

  1672. - 16-bit and 15-bit RGB/BGR/GBR support (Bisqwit)

  1673. 

  1674. 

  1675. version 0.4.5:

  1676. 

  1677. - some header fixes (Zdenek Kabelac <kabi at informatics.muni.cz>)

  1678. - many MMX optimizations (Nick Kurshev <nickols_k at mail.ru>)

  1679. - added configure system (actually a small shell script)

  1680. - added MPEG audio layer 1/2/3 decoding using LGPL'ed mpglib by

  1681.   Michael Hipp (temporary solution - waiting for integer only

  1682.   decoder)

  1683. - fixed VIDIOCSYNC interrupt

  1684. - added Intel H.263 decoding support ('I263' AVI fourCC)

  1685. - added Real Video 1.0 decoding (needs further testing)

  1686. - simplified image formats again. Added PGM format (=grey

  1687.   pgm). Renamed old PGM to PGMYUV.

  1688. - fixed msmpeg4 slice issues (tell me if you still find problems)

  1689. - fixed OpenDivX bugs with newer versions (added VOL header decoding)

  1690. - added support for MPlayer interface

  1691. - added macroblock skip optimization

  1692. - added MJPEG decoder

  1693. - added mmx/mmxext IDCT from libmpeg2

  1694. - added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer

  1695.   <celer at shell.scrypt.net>)

  1696. - added pixel format conversion layer (e.g. for MJPEG or PPM)

  1697. - added deinterlacing option

  1698. - MPEG-1/2 fixes

  1699. - MPEG-4 vol header fixes (Jonathan Marsden <snmjbm at pacbell.net>)

  1700. - ARM optimizations (Lionel Ulmer <lionel.ulmer at free.fr>).

  1701. - Windows porting of file converter

  1702. - added MJPEG raw format (input/output)

  1703. - added JPEG image format support (input/output)

  1704. 

  1705. 

  1706. version 0.4.4:

  1707. 

  1708. - fixed some std header definitions (Bjorn Lindgren

  1709.   <bjorn.e.lindgren at telia.com>).

  1710. - added MPEG demuxer (MPEG-1 and 2 compatible).

  1711. - added ASF demuxer

  1712. - added prototype RM demuxer

  1713. - added AC3 decoding (done with libac3 by Aaron Holtzman)

  1714. - added decoding codec parameter guessing (.e.g. for MPEG, because the

  1715.   header does not include them)

  1716. - fixed header generation in MPEG-1, AVI and ASF muxer: wmplayer can now

  1717.   play them (only tested video)

  1718. - fixed H.263 white bug

  1719. - fixed phase rounding in img resample filter

  1720. - add MMX code for polyphase img resample filter

  1721. - added CPU autodetection

  1722. - added generic title/author/copyright/comment string handling (ASF and RM

  1723.   use them)

  1724. - added SWF demux to extract MP3 track (not usable yet because no MP3

  1725.   decoder)

  1726. - added fractional frame rate support

  1727. - codecs are no longer searched by read_header() (should fix ffserver

  1728.   segfault)

  1729. 

  1730. 

  1731. version 0.4.3:

  1732. 

  1733. - BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq at amsat.org>)

  1734. - fixed raw yuv output

  1735. - added motion rounding support in MPEG-4

  1736. - fixed motion bug rounding in MSMPEG4

  1737. - added B-frame handling in video core

  1738. - added full MPEG-1 decoding support

  1739. - added partial (frame only) MPEG-2 support

  1740. - changed the FOURCC code for H.263 to "U263" to be able to see the

  1741.   +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with

  1742.   this +codec ;) (JuanJo).

  1743. - Halfpel motion estimation after MB type selection (JuanJo)

  1744. - added pgm and .Y.U.V output format

  1745. - suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or

  1746.   output.

  1747. - added pgmpipe I/O format (original patch from Martin Aumueller

  1748.   <lists at reserv.at>, but changed completely since we use a format

  1749.   instead of a protocol)

  1750. 

  1751. 

  1752. version 0.4.2:

  1753. 

  1754. - added H.263/MPEG-4/MSMPEG4 decoding support. MPEG-4 decoding support

  1755.   (for OpenDivX) is almost complete: 8x8 MVs and rounding are

  1756.   missing. MSMPEG4 support is complete.

  1757. - added prototype MPEG-1 decoder. Only I- and P-frames handled yet (it

  1758.   can decode ffmpeg MPEGs :-)).

  1759. - added libavcodec API documentation (see apiexample.c).

  1760. - fixed image polyphase bug (the bottom of some images could be

  1761.   greenish)

  1762. - added support for non clipped motion vectors (decoding only)

  1763.   and image sizes non-multiple of 16

  1764. - added support for AC prediction (decoding only)

  1765. - added file overwrite confirmation (can be disabled with -y)

  1766. - added custom size picture to H.263 using H.263+ (Juanjo)

  1767. 

  1768. 

  1769. version 0.4.1:

  1770. 

  1771. - added MSMPEG4 (aka DivX) compatible encoder. Changed default codec

  1772.   of AVI and ASF to DIV3.

  1773. - added -me option to set motion estimation method

  1774.   (default=log). suppressed redundant -hq option.

  1775. - added options -acodec and -vcodec to force a given codec (useful for

  1776.   AVI for example)

  1777. - fixed -an option

  1778. - improved dct_quantize speed

  1779. - factorized some motion estimation code

  1780. 

  1781. 

  1782. version 0.4.0:

  1783. 

  1784. - removing grab code from ffserver and moved it to ffmpeg. Added

  1785.   multistream support to ffmpeg.

  1786. - added timeshifting support for live feeds (option ?date=xxx in the

  1787.   URL)

  1788. - added high quality image resize code with polyphase filter (need

  1789.   mmx/see optimization). Enable multiple image size support in ffserver.

  1790. - added multi live feed support in ffserver

  1791. - suppressed master feature from ffserver (it should be done with an

  1792.   external program which opens the .ffm url and writes it to another

  1793.   ffserver)

  1794. - added preliminary support for video stream parsing (WAV and AVI half

  1795.   done). Added proper support for audio/video file conversion in

  1796.   ffmpeg.

  1797. - added preliminary support for video file sending from ffserver

  1798. - redesigning I/O subsystem: now using URL based input and output

  1799.   (see avio.h)

  1800. - added WAV format support

  1801. - added "tty user interface" to ffmpeg to stop grabbing gracefully

  1802. - added MMX/SSE optimizations to SAD (Sums of Absolutes Differences)

  1803.   (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo at atmlab.utfsm.cl>)

  1804. - added MMX DCT from mpeg2_movie 1.5 (Juanjo)

  1805. - added new motion estimation algorithms, log and phods (Juanjo)

  1806. - changed directories: libav for format handling, libavcodec for

  1807.   codecs

  1808. 

  1809. 

  1810. version 0.3.4:

  1811. 

  1812. - added stereo in MPEG audio encoder

  1813. 

  1814. 

  1815. version 0.3.3:

  1816. 

  1817. - added 'high quality' mode which use motion vectors. It can be used in

  1818.   real time at low resolution.

  1819. - fixed rounding problems which caused quality problems at high

  1820.   bitrates and large GOP size

  1821. 

  1822. 

  1823. version 0.3.2: small fixes

  1824. 

  1825. - ASF fixes

  1826. - put_seek bug fix

  1827. 

  1828. 

  1829. version 0.3.1: added avi/divx support

  1830. 

  1831. - added AVI support

  1832. - added MPEG-4 codec compatible with OpenDivX. It is based on the H.263 codec

  1833. - added sound for flash format (not tested)

  1834. 

  1835. 

  1836. version 0.3: initial public release