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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. - LEGO Racers ALP (.tun & .pcm) demuxer

  48. - AMQP 0-9-1 protocol (RabbitMQ)

  49. - Vulkan support

  50. - avgblur_vulkan, overlay_vulkan, scale_vulkan and chromaber_vulkan filters

  51. - ADPCM IMA MTF decoder

  52. - FWSE demuxer

  53. - DERF DPCM decoder

  54. - DERF demuxer

  55. - CRI HCA decoder

  56. - CRI HCA demuxer

  57. - overlay_cuda filter

  58. - switch from AvxSynth to AviSynth+ on Linux

  59. - mv30 decoder

  60. - Expanded styling support for 3GPP Timed Text Subtitles (movtext)

  61. - WebP parser

  62. - tmedian filter

  63. - maskedthreshold filter

  64. - Support for muxing pcm and pgs in m2ts

  65. - Cunning Developments ADPCM decoder

  66. - asubboost filter

  67. - Pro Pinball Series Soundbank demuxer

  68. - pcm_rechunk bitstream filter

  69. 

  70. 

  71. version 4.2:

  72. - tpad filter

  73. - AV1 decoding support through libdav1d

  74. - dedot filter

  75. - chromashift and rgbashift filters

  76. - freezedetect filter

  77. - truehd_core bitstream filter

  78. - dhav demuxer

  79. - PCM-DVD encoder

  80. - GIF parser

  81. - vividas demuxer

  82. - hymt decoder

  83. - anlmdn filter

  84. - maskfun filter

  85. - hcom demuxer and decoder

  86. - ARBC decoder

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

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

  89. - removed libndi-newtek

  90. - agm decoder

  91. - KUX demuxer

  92. - AV1 frame split bitstream filter

  93. - lscr decoder

  94. - lagfun filter

  95. - asoftclip filter

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

  97. - colorhold filter

  98. - xmedian filter

  99. - asr filter

  100. - showspatial multimedia filter

  101. - VP4 video decoder

  102. - IFV demuxer

  103. - derain filter

  104. - deesser filter

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

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

  107. 

  108. 

  109. version 4.1:

  110. - deblock filter

  111. - tmix filter

  112. - amplify filter

  113. - fftdnoiz filter

  114. - aderivative and aintegral audio filters

  115. - pal75bars and pal100bars video filter sources

  116. - support mbedTLS based TLS

  117. - adeclick filter

  118. - adeclip filter

  119. - libtensorflow backend for DNN based filters like srcnn

  120. - vc1 decoder is now bit-exact

  121. - ATRAC9 decoder

  122. - lensfun wrapper filter

  123. - colorconstancy filter

  124. - AVS2 video decoder via libdavs2

  125. - IMM4 video decoder

  126. - Brooktree ProSumer video decoder

  127. - MatchWare Screen Capture Codec decoder

  128. - WinCam Motion Video decoder

  129. - 1D LUT filter (lut1d)

  130. - RemotelyAnywhere Screen Capture decoder

  131. - cue and acue filters

  132. - support for AV1 in MP4

  133. - transpose_npp filter

  134. - AVS2 video encoder via libxavs2

  135. - amultiply filter

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

  137. - acrossover filter

  138. - ilbc decoder

  139. - audio denoiser as afftdn filter

  140. - AV1 parser

  141. - SER demuxer

  142. - sinc audio filter source

  143. - chromahold filter

  144. - setparams filter

  145. - vibrance filter

  146. - decoding S12M timecode in h264

  147. - xstack filter

  148. - pcm vidc decoder and encoder

  149. - (a)graphmonitor filter

  150. - yadif_cuda filter

  151. 

  152. 

  153. version 4.0:

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

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

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

  157. - VDA dropped (use VideoToolbox instead)

  158. - MagicYUV encoder

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

  160. - TiVo ty/ty+ demuxer

  161. - Intel QSV-accelerated MJPEG encoding

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

  163. - native aptX and aptX HD encoder and decoder

  164. - Raw aptX and aptX HD muxer and demuxer

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

  166. - Intel QSV-accelerated overlay filter

  167. - mcompand audio filter

  168. - acontrast audio filter

  169. - OpenCL overlay filter

  170. - video mix filter

  171. - video normalize filter

  172. - audio lv2 wrapper filter

  173. - VAAPI MJPEG and VP8 decoding

  174. - AMD AMF H.264 and HEVC encoders

  175. - video fillborders filter

  176. - video setrange filter

  177. - nsp demuxer

  178. - support LibreSSL (via libtls)

  179. - AVX-512/ZMM support added

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

  181.   version is Windows Vista.

  182. - deconvolve video filter

  183. - entropy video filter

  184. - hilbert audio filter source

  185. - aiir audio filter

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

  187. - Removed the ffserver program

  188. - Removed the ffmenc and ffmdec muxer and demuxer

  189. - VideoToolbox HEVC encoder and hwaccel

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

  191. - Add android_camera indev

  192. - codec2 en/decoding via libcodec2

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

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

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

  196. - native SBC encoder and decoder

  197. - drmeter audio filter

  198. - hapqa_extract bitstream filter

  199. - filter_units bitstream filter

  200. - AV1 Support through libaom

  201. - E-AC-3 dependent frames support

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

  203. - Haivision SRT protocol via libsrt

  204. - segafilm muxer

  205. - vfrdet filter

  206. - SRCNN filter

  207. 

  208. 

  209. version 3.4:

  210. - deflicker video filter

  211. - doubleweave video filter

  212. - lumakey video filter

  213. - pixscope video filter

  214. - oscilloscope video filter

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

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

  217. - afir audio filter

  218. - scale_cuda CUDA based video scale filter

  219. - librsvg support for svg rasterization

  220. - crossfeed audio filter

  221. - spec compliant VP9 muxing support in MP4

  222. - remove the libnut muxer/demuxer wrappers

  223. - remove the libschroedinger encoder/decoder wrappers

  224. - surround audio filter

  225. - sofalizer filter switched to libmysofa

  226. - Gremlin Digital Video demuxer and decoder

  227. - headphone audio filter

  228. - superequalizer audio filter

  229. - roberts video filter

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

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

  232. - additional frame format support for Interplay MVE movies

  233. - support for decoding through D3D11VA in ffmpeg

  234. - limiter video filter

  235. - libvmaf video filter

  236. - Dolby E decoder and SMPTE 337M demuxer

  237. - unpremultiply video filter

  238. - tlut2 video filter

  239. - floodfill video filter

  240. - pseudocolor video filter

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

  242. - NewTek NDI input/output device

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

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

  245.   They must always be used by name.

  246. - FITS demuxer and decoder

  247. - FITS muxer and encoder

  248. - add --disable-autodetect build switch

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

  250. - despill video filter

  251. - haas audio filter

  252. - SUP/PGS subtitle muxer

  253. - convolve video filter

  254. - VP9 tile threading support

  255. - KMS screen grabber

  256. - CUDA thumbnail filter

  257. - V4L2 mem2mem HW assisted codecs

  258. - Rockchip MPP hardware decoding

  259. - vmafmotion video filter

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

  261. 

  262. 

  263. version 3.3:

  264. - CrystalHD decoder moved to new decode API

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

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

  267. - premultiply video filter

  268. - Support for spherical videos

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

  270. - PSD Decoder

  271. - 16.8 floating point pcm decoder

  272. - 24.0 floating point pcm decoder

  273. - Apple Pixlet decoder

  274. - QDMC audio decoder

  275. - NewTek SpeedHQ decoder

  276. - MIDI Sample Dump Standard demuxer

  277. - readeia608 filter

  278. - Sample Dump eXchange demuxer

  279. - abitscope multimedia filter

  280. - Scenarist Closed Captions demuxer and muxer

  281. - threshold filter

  282. - midequalizer filter

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

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

  285. - FM Screen Capture Codec decoder

  286. - native Opus encoder

  287. - ScreenPressor decoder

  288. - incomplete ClearVideo decoder

  289. - Intel QSV video scaling and deinterlacing filters

  290. - Support MOV with multiple sample description tables

  291. - XPM decoder

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

  293. - MPEG-7 Video Signature filter

  294. - Removed asyncts filter (use af_aresample instead)

  295. - Intel QSV-accelerated VP8 video decoding

  296. - VAAPI-accelerated deinterlacing

  297. 

  298. 

  299. version 3.2:

  300. - libopenmpt demuxer

  301. - tee protocol

  302. - Changed metadata print option to accept general urls

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

  304. - VP8 in Ogg muxing

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

  306. - 16-bit support in curves filter and selectivecolor filter

  307. - OpenH264 decoder wrapper

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

  309. - True Audio (TTA) muxer

  310. - crystalizer audio filter

  311. - acrusher audio filter

  312. - bitplanenoise video filter

  313. - floating point support in als decoder

  314. - fifo muxer

  315. - maskedclamp filter

  316. - hysteresis filter

  317. - lut2 filter

  318. - yuvtestsrc filter

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

  320. - vaguedenoiser filter

  321. - added threads option per filter instance

  322. - weave filter

  323. - gblur filter

  324. - avgblur filter

  325. - sobel and prewitt filter

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

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

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

  329. - sdl2 output device and ffplay support

  330. - sdl1 output device and sdl1 support removed

  331. - extended mov edit list support

  332. - libfaac encoder removed

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

  334. - sidedata video and asidedata audio filter

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

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

  337. 

  338. 

  339. version 3.1:

  340. - DXVA2-accelerated HEVC Main10 decoding

  341. - fieldhint filter

  342. - loop video filter and aloop audio filter

  343. - Bob Weaver deinterlacing filter

  344. - firequalizer filter

  345. - datascope filter

  346. - bench and abench filters

  347. - ciescope filter

  348. - protocol blacklisting API

  349. - MediaCodec H264 decoding

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

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

  352. - AudioToolbox audio decoders

  353. - AudioToolbox audio encoders

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

  355. - libdcadec removed

  356. - bitstream filter for extracting DTS core

  357. - ADPCM IMA DAT4 decoder

  358. - musx demuxer

  359. - aix demuxer

  360. - remap filter

  361. - hash and framehash muxers

  362. - colorspace filter

  363. - hdcd filter

  364. - readvitc filter

  365. - VAAPI-accelerated format conversion and scaling

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

  367. - Duck TrueMotion 2.0 Real Time decoder

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

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

  370. - DTS Express (LBR) decoder

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

  372. - IFF ANIM demuxer & decoder

  373. - Direct Stream Transfer (DST) decoder

  374. - loudnorm filter

  375. - MTAF demuxer and decoder

  376. - MagicYUV decoder

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

  378. - BitJazz SheerVideo decoder

  379. - CUDA CUVID H264/HEVC decoder

  380. - 10-bit depth support in native utvideo decoder

  381. - libutvideo wrapper removed

  382. - YUY2 Lossless Codec decoder

  383. - VideoToolbox H.264 encoder

  384. 

  385. 

  386. version 3.0:

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

  388. - DXV decoding

  389. - extrastereo filter

  390. - ocr filter

  391. - alimiter filter

  392. - stereowiden filter

  393. - stereotools filter

  394. - rubberband filter

  395. - tremolo filter

  396. - agate filter

  397. - chromakey filter

  398. - maskedmerge filter

  399. - Screenpresso SPV1 decoding

  400. - chromaprint fingerprinting muxer

  401. - ffplay dynamic volume control

  402. - displace filter

  403. - selectivecolor filter

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

  405. - ADPCM PSX decoder

  406. - 3dostr, dcstr, fsb, genh, vag, xvag, ads, msf, svag & vpk demuxer

  407. - zscale filter

  408. - wve demuxer

  409. - zero-copy Intel QSV transcoding in ffmpeg

  410. - shuffleframes filter

  411. - SDX2 DPCM decoder

  412. - vibrato filter

  413. - innoHeim/Rsupport Screen Capture Codec decoder

  414. - ADPCM AICA decoder

  415. - Interplay ACM demuxer and audio decoder

  416. - XMA1 & XMA2 decoder

  417. - realtime filter

  418. - anoisesrc audio filter source

  419. - IVR demuxer

  420. - compensationdelay filter

  421. - acompressor filter

  422. - support encoding 16-bit RLE SGI images

  423. - apulsator filter

  424. - sidechaingate audio filter

  425. - mipsdspr1 option has been renamed to mipsdsp

  426. - aemphasis filter

  427. - mips32r5 option has been removed

  428. - mips64r6 option has been removed

  429. - DXVA2-accelerated VP9 decoding

  430. - SOFAlizer: virtual binaural acoustics filter

  431. - VAAPI VP9 hwaccel

  432. - audio high-order multiband parametric equalizer

  433. - automatic bitstream filtering

  434. - showspectrumpic filter

  435. - libstagefright support removed

  436. - spectrumsynth filter

  437. - ahistogram filter

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

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

  440. - afftfilt filter

  441. - convolution filter

  442. - libquvi support removed

  443. - support for dvaudio in wav and avi

  444. - libaacplus and libvo-aacenc support removed

  445. - Cineform HD decoder

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

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

  448. - nnedi deinterlacer

  449. - streamselect video and astreamselect audio filter

  450. - swaprect filter

  451. - metadata video and ametadata audio filter

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

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

  454. 

  455. 

  456. version 2.8:

  457. - colorkey video filter

  458. - BFSTM/BCSTM demuxer

  459. - little-endian ADPCM_THP decoder

  460. - Hap decoder and encoder

  461. - DirectDraw Surface image/texture decoder

  462. - ssim filter

  463. - optional new ASF demuxer

  464. - showvolume filter

  465. - Many improvements to the JPEG 2000 decoder

  466. - Go2Meeting decoding support

  467. - adrawgraph audio and drawgraph video filter

  468. - removegrain video filter

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

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

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

  472. - libkvazaar HEVC encoder

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

  474. - Dynamic Audio Normalizer as dynaudnorm filter

  475. - Reverse video and areverse audio filter

  476. - Random filter

  477. - deband filter

  478. - AAC fixed-point decoding

  479. - sidechaincompress audio filter

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

  481. - acrossfade audio filter

  482. - allyuv and allrgb video sources

  483. - atadenoise video filter

  484. - OS X VideoToolbox support

  485. - aphasemeter filter

  486. - showfreqs filter

  487. - vectorscope filter

  488. - waveform filter

  489. - hstack and vstack filter

  490. - Support DNx100 (1440x1080@8)

  491. - VAAPI hevc hwaccel

  492. - VDPAU hevc hwaccel

  493. - framerate filter

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

  495. - Removed experimental flag from the JPEG 2000 encoder

  496. 

  497. 

  498. version 2.7:

  499. - FFT video filter

  500. - TDSC decoder

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

  502. - showwavespic filter

  503. - DTS decoding through libdcadec

  504. - Drop support for nvenc API before 5.0

  505. - nvenc HEVC encoder

  506. - Detelecine filter

  507. - Intel QSV-accelerated H.264 encoding

  508. - MMAL-accelerated H.264 decoding

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

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

  511. - WebM Live Chunk Muxer

  512. - nvenc level and tier options

  513. - chorus filter

  514. - Canopus HQ/HQA decoder

  515. - Automatically rotate videos based on metadata in ffmpeg

  516. - improved Quickdraw compatibility

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

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

  519. - Direct3D11-accelerated decoding

  520. - Support Secure Transport

  521. - Multipart JPEG demuxer

  522. 

  523. 

  524. version 2.6:

  525. - nvenc encoder

  526. - 10bit spp filter

  527. - colorlevels filter

  528. - RIFX format for *.wav files

  529. - RTP/mpegts muxer

  530. - non continuous cache protocol support

  531. - tblend filter

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

  533. - Camellia symmetric block cipher

  534. - OpenH264 encoder wrapper

  535. - VOC seeking support

  536. - Closed caption Decoder

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

  538. - showpalette filter

  539. - Twofish symmetric block cipher

  540. - Support DNx100 (960x720@8)

  541. - eq2 filter ported from libmpcodecs as eq filter

  542. - removed libmpcodecs

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

  544. - ported softpulldown filter from libmpcodecs as repeatfields filter

  545. - dcshift filter

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

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

  548. - palettegen and paletteuse filters

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

  550. - RTP depacketizer for DV (RFC 6469)

  551. - DXVA2-accelerated HEVC decoding

  552. - AAC ELD 480 decoding

  553. - Intel QSV-accelerated H.264 decoding

  554. - DSS SP decoder and DSS demuxer

  555. - Fix stsd atom corruption in DNxHD QuickTimes

  556. - Canopus HQX decoder

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

  558. - Port MIPS optimizations to 64-bit

  559. 

  560. 

  561. version 2.5:

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

  563. - SUP/PGS subtitle demuxer

  564. - ffprobe -show_pixel_formats option

  565. - CAST128 symmetric block cipher, ECB mode

  566. - STL subtitle demuxer and decoder

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

  568. - XCB-based screen-grabber

  569. - UDP-Lite support (RFC 3828)

  570. - xBR scaling filter

  571. - AVFoundation screen capturing support

  572. - ffserver supports codec private options

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

  574. - WebP muxer with animated WebP support

  575. - zygoaudio decoding support

  576. - APNG demuxer

  577. - postproc visualization support

  578. 

  579. 

  580. version 2.4:

  581. - Icecast protocol

  582. - ported lenscorrection filter from frei0r filter

  583. - large optimizations in dctdnoiz to make it usable

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

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

  586. - LZMA compression support in TIFF decoder

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

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

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

  590. - Matroska 3D support thorugh side data

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

  592. - silenceremove filter

  593. 

  594. 

  595. version 2.3:

  596. - AC3 fixed-point decoding

  597. - shuffleplanes filter

  598. - subfile protocol

  599. - Phantom Cine demuxer

  600. - replaygain data export

  601. - VP7 video decoder

  602. - Alias PIX image encoder and decoder

  603. - Improvements to the BRender PIX image decoder

  604. - Improvements to the XBM decoder

  605. - QTKit input device

  606. - improvements to OpenEXR image decoder

  607. - support decoding 16-bit RLE SGI images

  608. - GDI screen grabbing for Windows

  609. - alternative rendition support for HTTP Live Streaming

  610. - AVFoundation input device

  611. - Direct Stream Digital (DSD) decoder

  612. - Magic Lantern Video (MLV) demuxer

  613. - On2 AVC (Audio for Video) decoder

  614. - support for decoding through DXVA2 in ffmpeg

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

  616. - libx264 reference frames count limiting depending on level

  617. - native Opus decoder

  618. - display matrix export and rotation API

  619. - WebVTT encoder

  620. - showcqt multimedia filter

  621. - zoompan filter

  622. - signalstats filter

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

  624. - flanger filter

  625. - Image format auto-detection

  626. - LRC demuxer and muxer

  627. - Samba protocol (via libsmbclient)

  628. - WebM DASH Manifest muxer

  629. - libfribidi support in drawtext

  630. 

  631. 

  632. version 2.2:

  633. 

  634. - HNM version 4 demuxer and video decoder

  635. - Live HDS muxer

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

  637. - elbg filter

  638. - string validation in ffprobe

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

  640. - complete Voxware MetaSound decoder

  641. - remove mp3_header_compress bitstream filter

  642. - Windows resource files for shared libraries

  643. - aeval filter

  644. - stereoscopic 3d metadata handling

  645. - WebP encoding via libwebp

  646. - ATRAC3+ decoder

  647. - VP8 in Ogg demuxing

  648. - side & metadata support in NUT

  649. - framepack filter

  650. - XYZ12 rawvideo support in NUT

  651. - Exif metadata support in WebP decoder

  652. - OpenGL device

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

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

  655. - Mirillis FIC video decoder

  656. - Support DNx444

  657. - libx265 encoder

  658. - dejudder filter

  659. - Autodetect VDA like all other hardware accelerations

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

  661. 

  662. 

  663. version 2.1:

  664. 

  665. - aecho filter

  666. - perspective filter ported from libmpcodecs

  667. - ffprobe -show_programs option

  668. - compand filter

  669. - RTMP seek support

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

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

  672.   the -noaccurate_seek option.

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

  674.   data read from an input file

  675. - incomplete Voxware MetaSound decoder

  676. - read EXIF metadata from JPEG

  677. - DVB teletext decoder

  678. - phase filter ported from libmpcodecs

  679. - w3fdif filter

  680. - Opus support in Matroska

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

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

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

  684.   more consistent with other muxers.

  685. - adelay filter

  686. - pullup filter ported from libmpcodecs

  687. - ffprobe -read_intervals option

  688. - Lossless and alpha support for WebP decoder

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

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

  691. - mux chapters in ASF files

  692. - SFTP protocol (via libssh)

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

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

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

  696.   the skip_alpha flag.

  697. - ladspa wrapper filter

  698. - native VP9 decoder

  699. - dpx parser

  700. - max_error_rate parameter in ffmpeg

  701. - PulseAudio output device

  702. - ReplayGain scanner

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

  704. - Linux framebuffer output device

  705. - HEVC decoder

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

  707. - mergeplanes filter

  708. 

  709. 

  710. version 2.0:

  711. 

  712. - curves filter

  713. - reference-counting for AVFrame and AVPacket data

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

  715.   or vice versa

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

  717. - perms and aperms filters

  718. - audio filtering support in ffplay

  719. - 10% faster aac encoding on x86 and MIPS

  720. - sine audio filter source

  721. - WebP demuxing and decoding support

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

  723.   filtergraph description to be read from a file

  724. - OpenCL support

  725. - audio phaser filter

  726. - separatefields filter

  727. - libquvi demuxer

  728. - uniform options syntax across all filters

  729. - telecine filter

  730. - interlace filter

  731. - smptehdbars source

  732. - inverse telecine filters (fieldmatch and decimate)

  733. - colorbalance filter

  734. - colorchannelmixer filter

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

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

  737. - decent native animated GIF encoding

  738. - asetrate filter

  739. - interleave filter

  740. - timeline editing with filters

  741. - vidstabdetect and vidstabtransform filters for video stabilization using

  742.   the vid.stab library

  743. - astats filter

  744. - trim and atrim filters

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

  746.   transcoding audio

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

  748. - extractplanes filter

  749. - avectorscope filter

  750. - ADPCM DTK decoder

  751. - ADP demuxer

  752. - RSD demuxer

  753. - RedSpark demuxer

  754. - ADPCM IMA Radical decoder

  755. - zmq filters

  756. - DCT denoiser filter (dctdnoiz)

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

  758. - Apple Intermediate Codec decoder

  759. - Escape 130 video decoder

  760. - FTP protocol support

  761. - V4L2 output device

  762. - 3D LUT filter (lut3d)

  763. - SMPTE 302M audio encoder

  764. - support for slice multithreading in libavfilter

  765. - Hald CLUT support (generation and filtering)

  766. - VC-1 interlaced B-frame support

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

  768. - XVideo output device

  769. - vignette filter

  770. - True Audio (TTA) encoder

  771. - Go2Webinar decoder

  772. - mcdeint filter ported from libmpcodecs

  773. - sab filter ported from libmpcodecs

  774. - ffprobe -show_chapters option

  775. - WavPack encoding through libwavpack

  776. - rotate filter

  777. - spp filter ported from libmpcodecs

  778. - libgme support

  779. - psnr filter

  780. 

  781. 

  782. version 1.2:

  783. 

  784. - VDPAU hardware acceleration through normal hwaccel

  785. - SRTP support

  786. - Error diffusion dither in Swscale

  787. - Chained Ogg support

  788. - Theora Midstream reconfiguration support

  789. - EVRC decoder

  790. - audio fade filter

  791. - filtering audio with unknown channel layout

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

  793.   and treble audio filter

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

  795. - histogram filter

  796. - tee muxer

  797. - il filter ported from libmpcodecs

  798. - support ID3v2 tags in ASF files

  799. - encrypted TTA stream decoding support

  800. - RF64 support in WAV muxer

  801. - noise filter ported from libmpcodecs

  802. - Subtitles character encoding conversion

  803. - blend filter

  804. - stereo3d filter ported from libmpcodecs

  805. 

  806. 

  807. version 1.1:

  808. 

  809. - stream disposition information printing in ffprobe

  810. - filter for loudness analysis following EBU R128

  811. - Opus encoder using libopus

  812. - ffprobe -select_streams option

  813. - Pinnacle TARGA CineWave YUV16 decoder

  814. - TAK demuxer, decoder and parser

  815. - DTS-HD demuxer

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

  817. - FFM2 support

  818. - X-Face image encoder and decoder

  819. - 24-bit FLAC encoding

  820. - multi-channel ALAC encoding up to 7.1

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

  822. - subtitles raw text decoder

  823. - support for building DLLs using MSVC

  824. - LVF demuxer

  825. - ffescape tool

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

  827. - field filter ported from libmpcodecs

  828. - AVR demuxer

  829. - geq filter ported from libmpcodecs

  830. - remove ffserver daemon mode

  831. - AST muxer/demuxer

  832. - new expansion syntax for drawtext

  833. - BRender PIX image decoder

  834. - ffprobe -show_entries option

  835. - ffprobe -sections option

  836. - ADPCM IMA Dialogic decoder

  837. - BRSTM demuxer

  838. - animated GIF decoder and demuxer

  839. - PVF demuxer

  840. - subtitles filter

  841. - IRCAM muxer/demuxer

  842. - Paris Audio File demuxer

  843. - Virtual concatenation demuxer

  844. - VobSub demuxer

  845. - JSON captions for TED talks decoding support

  846. - SOX Resampler support in libswresample

  847. - aselect filter

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

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

  850. - Silicon Graphics Movie demuxer

  851. - apad filter

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

  853. - documentation split into per-component manuals

  854. - pp (postproc) filter ported from MPlayer

  855. - NIST Sphere demuxer

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

  857. - Sony Wave64 muxer

  858. - adobe and limelight publisher authentication in RTMP

  859. - data: URI scheme

  860. - support building on the Plan 9 operating system

  861. - kerndeint filter ported from MPlayer

  862. - histeq filter ported from VirtualDub

  863. - Megalux Frame demuxer

  864. - 012v decoder

  865. - Improved AVC Intra decoding support

  866. 

  867. 

  868. version 1.0:

  869. 

  870. - INI and flat output in ffprobe

  871. - Scene detection in libavfilter

  872. - Indeo Audio decoder

  873. - channelsplit audio filter

  874. - setnsamples audio filter

  875. - atempo filter

  876. - ffprobe -show_data option

  877. - RTMPT protocol support

  878. - iLBC encoding/decoding via libilbc

  879. - Microsoft Screen 1 decoder

  880. - join audio filter

  881. - audio channel mapping filter

  882. - Microsoft ATC Screen decoder

  883. - RTSP listen mode

  884. - TechSmith Screen Codec 2 decoder

  885. - AAC encoding via libfdk-aac

  886. - Microsoft Expression Encoder Screen decoder

  887. - RTMPS protocol support

  888. - RTMPTS protocol support

  889. - RTMPE protocol support

  890. - RTMPTE protocol support

  891. - showwaves and showspectrum filter

  892. - LucasArts SMUSH SANM playback support

  893. - LucasArts SMUSH VIMA audio decoder (ADPCM)

  894. - LucasArts SMUSH demuxer

  895. - SAMI, RealText and SubViewer demuxers and decoders

  896. - Heart Of Darkness PAF playback support

  897. - iec61883 device

  898. - asettb filter

  899. - new option: -progress

  900. - 3GPP Timed Text encoder/decoder

  901. - GeoTIFF decoder support

  902. - ffmpeg -(no)stdin option

  903. - Opus decoder using libopus

  904. - caca output device using libcaca

  905. - alphaextract and alphamerge filters

  906. - concat filter

  907. - flite filter

  908. - Canopus Lossless Codec decoder

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

  910. - MP2 encoding via TwoLAME

  911. - bmp parser

  912. - smptebars source

  913. - asetpts filter

  914. - hue filter

  915. - ICO muxer

  916. - SubRip encoder and decoder without embedded timing

  917. - edge detection filter

  918. - framestep filter

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

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

  921. - volume measurement filter

  922. - Ut Video encoder

  923. - Microsoft Screen 2 decoder

  924. - smartblur filter ported from MPlayer

  925. - CPiA decoder

  926. - decimate filter ported from MPlayer

  927. - RTP depacketization of JPEG

  928. - Smooth Streaming live segmenter muxer

  929. - F4V muxer

  930. - sendcmd and asendcmd filters

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

  932. - RTP packetization of JPEG

  933. - faststart option in the MOV/MP4 muxer

  934. - support for building with MSVC

  935. 

  936. 

  937. version 0.11:

  938. 

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

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

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

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

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

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

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

  946. - setfield filter

  947. - CDXL demuxer and decoder

  948. - Apple ProRes encoder

  949. - ffprobe -count_packets and -count_frames options

  950. - Sun Rasterfile Encoder

  951. - ID3v2 attached pictures reading and writing

  952. - WMA Lossless decoder

  953. - bluray protocol

  954. - blackdetect filter

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

  956. - swapuv filter

  957. - bbox filter

  958. - XBM encoder and decoder

  959. - RealAudio Lossless decoder

  960. - ZeroCodec decoder

  961. - tile video filter

  962. - Metal Gear Solid: The Twin Snakes demuxer

  963. - OpenEXR image decoder

  964. - removelogo filter

  965. - drop support for ffmpeg without libavfilter

  966. - drawtext video filter: fontconfig support

  967. - ffmpeg -benchmark_all option

  968. - super2xsai filter ported from libmpcodecs

  969. - add libavresample audio conversion library for compatibility

  970. - MicroDVD decoder

  971. - Avid Meridien (AVUI) encoder and decoder

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

  973. - complete audio filtering in libavfilter and ffmpeg

  974. - add fps filter

  975. - vorbis parser

  976. - png parser

  977. - audio mix filter

  978. - ffv1: support (draft) version 1.3

  979. 

  980. 

  981. version 0.10:

  982. 

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

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

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

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

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

  988. - SBaGen (SBG) binaural beats script demuxer

  989. - OpenMG Audio muxer

  990. - Timecode extraction in DV and MOV

  991. - thumbnail video filter

  992. - XML output in ffprobe

  993. - asplit audio filter

  994. - tinterlace video filter

  995. - astreamsync audio filter

  996. - amerge audio filter

  997. - ISMV (Smooth Streaming) muxer

  998. - GSM audio parser

  999. - SMJPEG muxer

  1000. - XWD encoder and decoder

  1001. - Automatic thread count based on detection number of (available) CPU cores

  1002. - y41p Brooktree Uncompressed 4:1:1 12-bit encoder and decoder

  1003. - ffprobe -show_error option

  1004. - Avid 1:1 10-bit RGB Packer codec

  1005. - v308 Quicktime Uncompressed 4:4:4 encoder and decoder

  1006. - yuv4 libquicktime packed 4:2:0 encoder and decoder

  1007. - ffprobe -show_frames option

  1008. - silencedetect audio filter

  1009. - ffprobe -show_program_version, -show_library_versions, -show_versions options

  1010. - rv34: frame-level multi-threading

  1011. - optimized iMDCT transform on x86 using SSE for for mpegaudiodec

  1012. - Improved PGS subtitle decoder

  1013. - dumpgraph option to lavfi device

  1014. - r210 and r10k encoders

  1015. - ffwavesynth decoder

  1016. - aviocat tool

  1017. - ffeval tool

  1018. - support encoding and decoding 4-channel SGI images

  1019. 

  1020. 

  1021. version 0.9:

  1022. 

  1023. - openal input device added

  1024. - boxblur filter added

  1025. - BWF muxer

  1026. - Flash Screen Video 2 decoder

  1027. - lavfi input device added

  1028. - added avconv, which is almost the same for now, except

  1029. for a few incompatible changes in the options, which will hopefully make them

  1030. easier to use. The changes are:

  1031.     * The options placement is now strictly enforced! While in theory the

  1032.       options for ffmpeg should be given in [input options] -i INPUT [output

  1033.       options] OUTPUT order, in practice it was possible to give output options

  1034.       before the -i and it mostly worked. Except when it didn't - the behavior was

  1035.       a bit inconsistent. In avconv, it is not possible to mix input and output

  1036.       options. All non-global options are reset after an input or output filename.

  1037.     * All per-file options are now truly per-file - they apply only to the next

  1038.       input or output file and specifying different values for different files

  1039.       will now work properly (notably -ss and -t options).

  1040.     * All per-stream options are now truly per-stream - it is possible to

  1041.       specify which stream(s) should a given option apply to. See the Stream

  1042.       specifiers section in the avconv manual for details.

  1043.     * In ffmpeg some options (like -newvideo/-newaudio/...) are irregular in the

  1044.       sense that they're specified after the output filename instead of before,

  1045.       like all other options. In avconv this irregularity is removed, all options

  1046.       apply to the next input or output file.

  1047.     * -newvideo/-newaudio/-newsubtitle options were removed. Not only were they

  1048.       irregular and highly confusing, they were also redundant. In avconv the -map

  1049.       option will create new streams in the output file and map input streams to

  1050.       them. E.g. avconv -i INPUT -map 0 OUTPUT will create an output stream for

  1051.       each stream in the first input file.

  1052.     * The -map option now has slightly different and more powerful syntax:

  1053.         + Colons (':') are used to separate file index/stream type/stream index

  1054.           instead of dots. Comma (',') is used to separate the sync stream instead

  1055.           of colon.. This is done for consistency with other options.

  1056.         + It's possible to specify stream type. E.g. -map 0:a:2 creates an

  1057.           output stream from the third input audio stream.

  1058.         + Omitting the stream index now maps all the streams of the given type,

  1059.           not just the first. E.g. -map 0:s creates output streams for all the

  1060.           subtitle streams in the first input file.

  1061.         + Since -map can now match multiple streams, negative mappings were

  1062.           introduced. Negative mappings disable some streams from an already

  1063.           defined map. E.g. '-map 0 -map -0:a:1' means 'create output streams for

  1064.           all the stream in the first input file, except for the second audio

  1065.           stream'.

  1066.     * There is a new option -c (or -codec) for choosing the decoder/encoder to

  1067.       use, which makes it possible to precisely specify target stream(s) consistently with

  1068.       other options. E.g. -c:v lib264 sets the codec for all video streams, -c:a:0

  1069.       libvorbis sets the codec for the first audio stream and -c copy copies all

  1070.       the streams without reencoding. Old -vcodec/-acodec/-scodec options are now

  1071.       aliases to -c:v/a/s

  1072.     * It is now possible to precisely specify which stream should an AVOption

  1073.       apply to. E.g. -b:v:0 2M sets the bitrate for the first video stream, while

  1074.       -b:a 128k sets the bitrate for all audio streams. Note that the old -ab 128k

  1075.       syntax is deprecated and will stop working soon.

  1076.     * -map_chapters now takes only an input file index and applies to the next

  1077.       output file. This is consistent with how all the other options work.

  1078.     * -map_metadata now takes only an input metadata specifier and applies to

  1079.       the next output file. Output metadata specifier is now part of the option

  1080.       name, similarly to the AVOptions/map/codec feature above.

  1081.     * -metadata can now be used to set metadata on streams and chapters, e.g.

  1082.       -metadata:s:1 language=eng sets the language of the first stream to 'eng'.

  1083.       This made -vlang/-alang/-slang options redundant, so they were removed.

  1084.     * -qscale option now uses stream specifiers and applies to all streams, not

  1085.       just video. I.e. plain -qscale number would now apply to all streams. To get

  1086.       the old behavior, use -qscale:v. Also there is now a shortcut -q for -qscale

  1087.       and -aq is now an alias for -q:a.

  1088.     * -vbsf/-absf/-sbsf options were removed and replaced by a -bsf option which

  1089.       uses stream specifiers. Use -bsf:v/a/s instead of the old options.

  1090.     * -itsscale option now uses stream specifiers, so its argument is only the

  1091.       scale parameter.

  1092.     * -intra option was removed, use -g 0 for the same effect.

  1093.     * -psnr option was removed, use -flags +psnr for the same effect.

  1094.     * -vf option is now an alias to the new -filter option, which uses stream specifiers.

  1095.     * -vframes/-aframes/-dframes options are now aliases to the new -frames option.

  1096.     * -vtag/-atag/-stag options are now aliases to the new -tag option.

  1097. - XMV demuxer

  1098. - LOAS demuxer

  1099. - ashowinfo filter added

  1100. - Windows Media Image decoder

  1101. - amovie source added

  1102. - LATM muxer/demuxer

  1103. - Speex encoder via libspeex

  1104. - JSON output in ffprobe

  1105. - WTV muxer

  1106. - Optional C++ Support (needed for libstagefright)

  1107. - H.264 Decoding on Android via Stagefright

  1108. - Prores decoder

  1109. - BIN/XBIN/ADF/IDF text file decoder

  1110. - aconvert audio filter added

  1111. - audio support to lavfi input device added

  1112. - libcdio-paranoia input device for audio CD grabbing

  1113. - Apple ProRes decoder

  1114. - CELT in Ogg demuxing

  1115. - G.723.1 demuxer and decoder

  1116. - libmodplug support (--enable-libmodplug)

  1117. - VC-1 interlaced decoding

  1118. - libutvideo wrapper (--enable-libutvideo)

  1119. - aevalsrc audio source added

  1120. - Ut Video decoder

  1121. - Speex encoding via libspeex

  1122. - 4:2:2 H.264 decoding support

  1123. - 4:2:2 and 4:4:4 H.264 encoding with libx264

  1124. - Pulseaudio input device

  1125. - Prores encoder

  1126. - Video Decoder Acceleration (VDA) HWAccel module.

  1127. - replacement Indeo 3 decoder

  1128. - new ffmpeg option: -map_channel

  1129. - volume audio filter added

  1130. - earwax audio filter added

  1131. - libv4l2 support (--enable-libv4l2)

  1132. - TLS/SSL and HTTPS protocol support

  1133. - AVOptions API rewritten and documented

  1134. - most of CODEC_FLAG2_*, some CODEC_FLAG_* and many codec-specific fields in

  1135.   AVCodecContext deprecated. Codec private options should be used instead.

  1136. - Properly working defaults in libx264 wrapper, support for native presets.

  1137. - Encrypted OMA files support

  1138. - Discworld II BMV decoding support

  1139. - VBLE Decoder

  1140. - OS X Video Decoder Acceleration (VDA) support

  1141. - compact and csv output in ffprobe

  1142. - pan audio filter

  1143. - IFF Amiga Continuous Bitmap (ACBM) decoder

  1144. - ass filter

  1145. - CRI ADX audio format muxer and demuxer

  1146. - Playstation Portable PMP format demuxer

  1147. - Microsoft Windows ICO demuxer

  1148. - life source

  1149. - PCM format support in OMA demuxer

  1150. - CLJR encoder

  1151. - new option: -report

  1152. - Dxtory capture format decoder

  1153. - cellauto source

  1154. - Simple segmenting muxer

  1155. - Indeo 4 decoder

  1156. - SMJPEG demuxer

  1157. 

  1158. 

  1159. version 0.8:

  1160. 

  1161. - many many things we forgot because we rather write code than changelogs

  1162. - WebM support in Matroska de/muxer

  1163. - low overhead Ogg muxing

  1164. - MMS-TCP support

  1165. - VP8 de/encoding via libvpx

  1166. - Demuxer for On2's IVF format

  1167. - Pictor/PC Paint decoder

  1168. - HE-AAC v2 decoder

  1169. - HE-AAC v2 encoding with libaacplus

  1170. - libfaad2 wrapper removed

  1171. - DTS-ES extension (XCh) decoding support

  1172. - native VP8 decoder

  1173. - RTSP tunneling over HTTP

  1174. - RTP depacketization of SVQ3

  1175. - -strict inofficial replaced by -strict unofficial

  1176. - ffplay -exitonkeydown and -exitonmousedown options added

  1177. - native GSM / GSM MS decoder

  1178. - RTP depacketization of QDM2

  1179. - ANSI/ASCII art playback system

  1180. - Lego Mindstorms RSO de/muxer

  1181. - libavcore added (and subsequently removed)

  1182. - SubRip subtitle file muxer and demuxer

  1183. - Chinese AVS encoding via libxavs

  1184. - ffprobe -show_packets option added

  1185. - RTP packetization of Theora and Vorbis

  1186. - RTP depacketization of MP4A-LATM

  1187. - RTP packetization and depacketization of VP8

  1188. - hflip filter

  1189. - Apple HTTP Live Streaming demuxer

  1190. - a64 codec

  1191. - MMS-HTTP support

  1192. - G.722 ADPCM audio encoder/decoder

  1193. - R10k video decoder

  1194. - ocv_smooth filter

  1195. - frei0r wrapper filter

  1196. - change crop filter syntax to width:height:x:y

  1197. - make the crop filter accept parametric expressions

  1198. - make ffprobe accept AVFormatContext options

  1199. - yadif filter

  1200. - blackframe filter

  1201. - Demuxer for Leitch/Harris' VR native stream format (LXF)

  1202. - RTP depacketization of the X-QT QuickTime format

  1203. - SAP (Session Announcement Protocol, RFC 2974) muxer and demuxer

  1204. - cropdetect filter

  1205. - ffmpeg -crop* options removed

  1206. - transpose filter added

  1207. - ffmpeg -force_key_frames option added

  1208. - demuxer for receiving raw rtp:// URLs without an SDP description

  1209. - single stream LATM/LOAS decoder

  1210. - setpts filter added

  1211. - Win64 support for optimized x86 assembly functions

  1212. - MJPEG/AVI1 to JPEG/JFIF bitstream filter

  1213. - ASS subtitle encoder and decoder

  1214. - IEC 61937 encapsulation for E-AC-3, TrueHD, DTS-HD (for HDMI passthrough)

  1215. - overlay filter added

  1216. - rename aspect filter to setdar, and pixelaspect to setsar

  1217. - IEC 61937 demuxer

  1218. - Mobotix .mxg demuxer

  1219. - frei0r source added

  1220. - hqdn3d filter added

  1221. - RTP depacketization of QCELP

  1222. - FLAC parser added

  1223. - gradfun filter added

  1224. - AMR-WB decoder

  1225. - replace the ocv_smooth filter with a more generic ocv filter

  1226. - Windows Televison (WTV) demuxer

  1227. - FFmpeg metadata format muxer and demuxer

  1228. - SubRip (srt) subtitle encoder and decoder

  1229. - floating-point AC-3 encoder added

  1230. - Lagarith decoder

  1231. - ffmpeg -copytb option added

  1232. - IVF muxer added

  1233. - Wing Commander IV movies decoder added

  1234. - movie source added

  1235. - Bink version 'b' audio and video decoder

  1236. - Bitmap Brothers JV playback system

  1237. - Apple HTTP Live Streaming protocol handler

  1238. - sndio support for playback and record

  1239. - Linux framebuffer input device added

  1240. - Chronomaster DFA decoder

  1241. - DPX image encoder

  1242. - MicroDVD subtitle file muxer and demuxer

  1243. - Playstation Portable PMP format demuxer

  1244. - fieldorder video filter added

  1245. - AAC encoding via libvo-aacenc

  1246. - AMR-WB encoding via libvo-amrwbenc

  1247. - xWMA demuxer

  1248. - Mobotix MxPEG decoder

  1249. - VP8 frame-multithreading

  1250. - NEON optimizations for VP8

  1251. - Lots of deprecated API cruft removed

  1252. - fft and imdct optimizations for AVX (Sandy Bridge) processors

  1253. - showinfo filter added

  1254. - SMPTE 302M AES3 audio decoder

  1255. - Apple Core Audio Format muxer

  1256. - 9 bits and 10 bits per sample support in the H.264 decoder

  1257. - 9 bits and 10 bits FFV1 encoding / decoding

  1258. - split filter added

  1259. - select filter added

  1260. - sdl output device added

  1261. - libmpcodecs video filter support (3 times as many filters than before)

  1262. - mpeg2 aspect ratio dection fixed

  1263. - libxvid aspect pickiness fixed

  1264. - Frame multithreaded decoding

  1265. - E-AC-3 audio encoder

  1266. - ac3enc: add channel coupling support

  1267. - floating-point sample format support to the ac3, eac3, dca, aac, and vorbis decoders.

  1268. - H264/MPEG frame-level multi-threading

  1269. - All av_metadata_* functions renamed to av_dict_* and moved to libavutil

  1270. - 4:4:4 H.264 decoding support

  1271. - 10-bit H.264 optimizations for x86

  1272. - lut, lutrgb, and lutyuv filters added

  1273. - buffersink libavfilter sink added

  1274. - Bump libswscale for recently reported ABI break

  1275. - New J2K encoder (via OpenJPEG)

  1276. 

  1277. 

  1278. version 0.7:

  1279. 

  1280. - all the changes for 0.8, but keeping API/ABI compatibility with the 0.6 release

  1281. 

  1282. 

  1283. version 0.6:

  1284. 

  1285. - PB-frame decoding for H.263

  1286. - deprecated vhook subsystem removed

  1287. - deprecated old scaler removed

  1288. - VQF demuxer

  1289. - Alpha channel scaler

  1290. - PCX encoder

  1291. - RTP packetization of H.263

  1292. - RTP packetization of AMR

  1293. - RTP depacketization of Vorbis

  1294. - CorePNG decoding support

  1295. - Cook multichannel decoding support

  1296. - introduced avlanguage helpers in libavformat

  1297. - 8088flex TMV demuxer and decoder

  1298. - per-stream language-tags extraction in asfdec

  1299. - V210 decoder and encoder

  1300. - remaining GPL parts in AC-3 decoder converted to LGPL

  1301. - QCP demuxer

  1302. - SoX native format muxer and demuxer

  1303. - AMR-NB decoding/encoding, AMR-WB decoding via OpenCORE libraries

  1304. - DPX image decoder

  1305. - Electronic Arts Madcow decoder

  1306. - DivX (XSUB) subtitle encoder

  1307. - nonfree libamr support for AMR-NB/WB decoding/encoding removed

  1308. - experimental AAC encoder

  1309. - RTP depacketization of ASF and RTSP from WMS servers

  1310. - RTMP support in libavformat

  1311. - noX handling for OPT_BOOL X options

  1312. - Wave64 demuxer

  1313. - IEC-61937 compatible Muxer

  1314. - TwinVQ decoder

  1315. - Bluray (PGS) subtitle decoder

  1316. - LPCM support in MPEG-TS (HDMV RID as found on Blu-ray disks)

  1317. - WMA Pro decoder

  1318. - Core Audio Format demuxer

  1319. - ATRAC1 decoder

  1320. - MD STUDIO audio demuxer

  1321. - RF64 support in WAV demuxer

  1322. - MPEG-4 Audio Lossless Coding (ALS) decoder

  1323. - -formats option split into -formats, -codecs, -bsfs, and -protocols

  1324. - IV8 demuxer

  1325. - CDG demuxer and decoder

  1326. - R210 decoder

  1327. - Auravision Aura 1 and 2 decoders

  1328. - Deluxe Paint Animation playback system

  1329. - SIPR decoder

  1330. - Adobe Filmstrip muxer and demuxer

  1331. - RTP depacketization of H.263

  1332. - Bink demuxer and audio/video decoders

  1333. - enable symbol versioning by default for linkers that support it

  1334. - IFF PBM/ILBM bitmap decoder

  1335. - concat protocol

  1336. - Indeo 5 decoder

  1337. - RTP depacketization of AMR

  1338. - WMA Voice decoder

  1339. - ffprobe tool

  1340. - AMR-NB decoder

  1341. - RTSP muxer

  1342. - HE-AAC v1 decoder

  1343. - Kega Game Video (KGV1) decoder

  1344. - VorbisComment writing for FLAC, Ogg FLAC and Ogg Speex files

  1345. - RTP depacketization of Theora

  1346. - HTTP Digest authentication

  1347. - RTMP/RTMPT/RTMPS/RTMPE/RTMPTE protocol support via librtmp

  1348. - Psygnosis YOP demuxer and video decoder

  1349. - spectral extension support in the E-AC-3 decoder

  1350. - unsharp video filter

  1351. - RTP hinting in the mov/3gp/mp4 muxer

  1352. - Dirac in Ogg demuxing

  1353. - seek to keyframes in Ogg

  1354. - 4:2:2 and 4:4:4 Theora decoding

  1355. - 35% faster VP3/Theora decoding

  1356. - faster AAC decoding

  1357. - faster H.264 decoding

  1358. - RealAudio 1.0 (14.4K) encoder

  1359. 

  1360. 

  1361. version 0.5:

  1362. 

  1363. - DV50 AKA DVCPRO50 encoder, decoder, muxer and demuxer

  1364. - TechSmith Camtasia (TSCC) video decoder

  1365. - IBM Ultimotion (ULTI) video decoder

  1366. - Sierra Online audio file demuxer and decoder

  1367. - Apple QuickDraw (qdrw) video decoder

  1368. - Creative ADPCM audio decoder (16 bits as well as 8 bits schemes)

  1369. - Electronic Arts Multimedia (WVE/UV2/etc.) file demuxer

  1370. - Miro VideoXL (VIXL) video decoder

  1371. - H.261 video encoder

  1372. - QPEG video decoder

  1373. - Nullsoft Video (NSV) file demuxer

  1374. - Shorten audio decoder

  1375. - LOCO video decoder

  1376. - Apple Lossless Audio Codec (ALAC) decoder

  1377. - Winnov WNV1 video decoder

  1378. - Autodesk Animator Studio Codec (AASC) decoder

  1379. - Indeo 2 video decoder

  1380. - Fraps FPS1 video decoder

  1381. - Snow video encoder/decoder

  1382. - Sonic audio encoder/decoder

  1383. - Vorbis audio decoder

  1384. - Macromedia ADPCM decoder

  1385. - Duck TrueMotion 2 video decoder

  1386. - support for decoding FLX and DTA extensions in FLIC files

  1387. - H.264 custom quantization matrices support

  1388. - ffserver fixed, it should now be usable again

  1389. - QDM2 audio decoder

  1390. - Real Cooker audio decoder

  1391. - TrueSpeech audio decoder

  1392. - WMA2 audio decoder fixed, now all files should play correctly

  1393. - RealAudio 14.4 and 28.8 decoders fixed

  1394. - JPEG-LS decoder

  1395. - build system improvements

  1396. - tabs and trailing whitespace removed from the codebase

  1397. - CamStudio video decoder

  1398. - AIFF/AIFF-C audio format, encoding and decoding

  1399. - ADTS AAC file reading and writing

  1400. - Creative VOC file reading and writing

  1401. - American Laser Games multimedia (*.mm) playback system

  1402. - Zip Motion Blocks Video decoder

  1403. - improved Theora/VP3 decoder

  1404. - True Audio (TTA) decoder

  1405. - AVS demuxer and video decoder

  1406. - JPEG-LS encoder

  1407. - Smacker demuxer and decoder

  1408. - NuppelVideo/MythTV demuxer and RTjpeg decoder

  1409. - KMVC decoder

  1410. - MPEG-2 intra VLC support

  1411. - MPEG-2 4:2:2 encoder

  1412. - Flash Screen Video decoder

  1413. - GXF demuxer

  1414. - Chinese AVS decoder

  1415. - GXF muxer

  1416. - MXF demuxer

  1417. - VC-1/WMV3/WMV9 video decoder

  1418. - MacIntel support

  1419. - AviSynth support

  1420. - VMware video decoder

  1421. - VP5 video decoder

  1422. - VP6 video decoder

  1423. - WavPack lossless audio decoder

  1424. - Targa (.TGA) picture decoder

  1425. - Vorbis audio encoder

  1426. - Delphine Software .cin demuxer/audio and video decoder

  1427. - Tiertex .seq demuxer/video decoder

  1428. - MTV demuxer

  1429. - TIFF picture encoder and decoder

  1430. - GIF picture decoder

  1431. - Intel Music Coder decoder

  1432. - Zip Motion Blocks Video encoder

  1433. - Musepack decoder

  1434. - Flash Screen Video encoder

  1435. - Theora encoding via libtheora

  1436. - BMP encoder

  1437. - WMA encoder

  1438. - GSM-MS encoder and decoder

  1439. - DCA decoder

  1440. - DXA demuxer and decoder

  1441. - DNxHD decoder

  1442. - Gamecube movie (.THP) playback system

  1443. - Blackfin optimizations

  1444. - Interplay C93 demuxer and video decoder

  1445. - Bethsoft VID demuxer and video decoder

  1446. - CRYO APC demuxer

  1447. - ATRAC3 decoder

  1448. - V.Flash PTX decoder

  1449. - RoQ muxer, RoQ audio encoder

  1450. - Renderware TXD demuxer and decoder

  1451. - extern C declarations for C++ removed from headers

  1452. - sws_flags command line option

  1453. - codebook generator

  1454. - RoQ video encoder

  1455. - QTRLE encoder

  1456. - OS/2 support removed and restored again

  1457. - AC-3 decoder

  1458. - NUT muxer

  1459. - additional SPARC (VIS) optimizations

  1460. - Matroska muxer

  1461. - slice-based parallel H.264 decoding

  1462. - Monkey's Audio demuxer and decoder

  1463. - AMV audio and video decoder

  1464. - DNxHD encoder

  1465. - H.264 PAFF decoding

  1466. - Nellymoser ASAO decoder

  1467. - Beam Software SIFF demuxer and decoder

  1468. - libvorbis Vorbis decoding removed in favor of native decoder

  1469. - IntraX8 (J-Frame) subdecoder for WMV2 and VC-1

  1470. - Ogg (Theora, Vorbis and FLAC) muxer

  1471. - The "device" muxers and demuxers are now in a new libavdevice library

  1472. - PC Paintbrush PCX decoder

  1473. - Sun Rasterfile decoder

  1474. - TechnoTrend PVA demuxer

  1475. - Linux Media Labs MPEG-4 (LMLM4) demuxer

  1476. - AVM2 (Flash 9) SWF muxer

  1477. - QT variant of IMA ADPCM encoder

  1478. - VFW grabber

  1479. - iPod/iPhone compatible mp4 muxer

  1480. - Mimic decoder

  1481. - MSN TCP Webcam stream demuxer

  1482. - RL2 demuxer / decoder

  1483. - IFF demuxer

  1484. - 8SVX audio decoder

  1485. - non-recursive Makefiles

  1486. - BFI demuxer

  1487. - MAXIS EA XA (.xa) demuxer / decoder

  1488. - BFI video decoder

  1489. - OMA demuxer

  1490. - MLP/TrueHD decoder

  1491. - Electronic Arts CMV decoder

  1492. - Motion Pixels Video decoder

  1493. - Motion Pixels MVI demuxer

  1494. - removed animated GIF decoder/demuxer

  1495. - D-Cinema audio muxer

  1496. - Electronic Arts TGV decoder

  1497. - Apple Lossless Audio Codec (ALAC) encoder

  1498. - AAC decoder

  1499. - floating point PCM encoder/decoder

  1500. - MXF muxer

  1501. - DV100 AKA DVCPRO HD decoder and demuxer

  1502. - E-AC-3 support added to AC-3 decoder

  1503. - Nellymoser ASAO encoder

  1504. - ASS and SSA demuxer and muxer

  1505. - liba52 wrapper removed

  1506. - SVQ3 watermark decoding support

  1507. - Speex decoding via libspeex

  1508. - Electronic Arts TGQ decoder

  1509. - RV40 decoder

  1510. - QCELP / PureVoice decoder

  1511. - RV30 decoder

  1512. - hybrid WavPack support

  1513. - R3D REDCODE demuxer

  1514. - ALSA support for playback and record

  1515. - Electronic Arts TQI decoder

  1516. - OpenJPEG based JPEG 2000 decoder

  1517. - NC (NC4600) camera file demuxer

  1518. - Gopher client support

  1519. - MXF D-10 muxer

  1520. - generic metadata API

  1521. - flash ScreenVideo2 encoder

  1522. 

  1523. 

  1524. version 0.4.9-pre1:

  1525. 

  1526. - DV encoder, DV muxer

  1527. - Microsoft RLE video decoder

  1528. - Microsoft Video-1 decoder

  1529. - Apple Animation (RLE) decoder

  1530. - Apple Graphics (SMC) decoder

  1531. - Apple Video (RPZA) decoder

  1532. - Cinepak decoder

  1533. - Sega FILM (CPK) file demuxer

  1534. - Westwood multimedia support (VQA & AUD files)

  1535. - Id Quake II CIN playback support

  1536. - 8BPS video decoder

  1537. - FLIC playback support

  1538. - RealVideo 2.0 (RV20) decoder

  1539. - Duck TrueMotion v1 (DUCK) video decoder

  1540. - Sierra VMD demuxer and video decoder

  1541. - MSZH and ZLIB decoder support

  1542. - SVQ1 video encoder

  1543. - AMR-WB support

  1544. - PPC optimizations

  1545. - rate distortion optimal cbp support

  1546. - rate distorted optimal ac prediction for MPEG-4

  1547. - rate distorted optimal lambda->qp support

  1548. - AAC encoding with libfaac

  1549. - Sunplus JPEG codec (SP5X) support

  1550. - use Lagrange multiplier instead of QP for ratecontrol

  1551. - Theora/VP3 decoding support

  1552. - XA and ADX ADPCM codecs

  1553. - export MPEG-2 active display area / pan scan

  1554. - Add support for configuring with IBM XLC

  1555. - floating point AAN DCT

  1556. - initial support for zygo video (not complete)

  1557. - RGB ffv1 support

  1558. - new audio/video parser API

  1559. - av_log() system

  1560. - av_read_frame() and av_seek_frame() support

  1561. - missing last frame fixes

  1562. - seek by mouse in ffplay

  1563. - noise reduction of DCT coefficients

  1564. - H.263 OBMC & 4MV support

  1565. - H.263 alternative inter vlc support

  1566. - H.263 loop filter

  1567. - H.263 slice structured mode

  1568. - interlaced DCT support for MPEG-2 encoding

  1569. - stuffing to stay above min_bitrate

  1570. - MB type & QP visualization

  1571. - frame stepping for ffplay

  1572. - interlaced motion estimation

  1573. - alternate scantable support

  1574. - SVCD scan offset support

  1575. - closed GOP support

  1576. - SSE2 FDCT

  1577. - quantizer noise shaping

  1578. - G.726 ADPCM audio codec

  1579. - MS ADPCM encoding

  1580. - multithreaded/SMP motion estimation

  1581. - multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263

  1582. - multithreaded/SMP decoding for MPEG-2

  1583. - FLAC decoder

  1584. - Metrowerks CodeWarrior suppport

  1585. - H.263+ custom pcf support

  1586. - nicer output for 'ffmpeg -formats'

  1587. - Matroska demuxer

  1588. - SGI image format, encoding and decoding

  1589. - H.264 loop filter support

  1590. - H.264 CABAC support

  1591. - nicer looking arrows for the motion vector visualization

  1592. - improved VCD support

  1593. - audio timestamp drift compensation

  1594. - MPEG-2 YUV 422/444 support

  1595. - polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample

  1596. - better image scaling

  1597. - H.261 support

  1598. - correctly interleave packets during encoding

  1599. - VIS optimized motion compensation

  1600. - intra_dc_precision>0 encoding support

  1601. - support reuse of motion vectors/MB types/field select values of the source video

  1602. - more accurate deblock filter

  1603. - padding support

  1604. - many optimizations and bugfixes

  1605. - FunCom ISS audio file demuxer and according ADPCM decoding

  1606. 

  1607. 

  1608. version 0.4.8:

  1609. 

  1610. - MPEG-2 video encoding (Michael)

  1611. - Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)

  1612. - Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson

  1613.   and Mario Brito)

  1614. - Xan DPCM audio decoder (Mario Brito)

  1615. - Interplay MVE playback subsystem (Mike Melanson)

  1616. - Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)

  1617. 

  1618. 

  1619. version 0.4.7:

  1620. 

  1621. - RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from mplayerhq

  1622.   (originally from public domain player for Amiga at http://www.honeypot.net/audio)

  1623. - current version now also compiles with older GCC (Fabrice)

  1624. - 4X multimedia playback system including 4xm file demuxer (Mike

  1625.   Melanson), and 4X video and audio codecs (Michael)

  1626. - Creative YUV (CYUV) decoder (Mike Melanson)

  1627. - FFV1 codec (our very simple lossless intra only codec, compresses much better

  1628.   than HuffYUV) (Michael)

  1629. - ASV1 (Asus), H.264, Intel indeo3 codecs have been added (various)

  1630. - tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with

  1631.   alpha support), JPEG YUV colorspace support. (Fabrice Bellard)

  1632. - ffplay has been replaced with a newer version which uses SDL (optionally)

  1633.   for multiplatform support (Fabrice)

  1634. - Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated

  1635.   by anonymous

  1636. - AMR format has been added (Johannes Carlsson)

  1637. - 3GP support has been added (Johannes Carlsson)

  1638. - VP3 codec has been added (Mike Melanson)

  1639. - more MPEG-1/2 fixes

  1640. - better multiplatform support, MS Visual Studio fixes (various)

  1641. - AltiVec optimizations (Magnus Damn and others)

  1642. - SH4 processor support has been added (BERO)

  1643. - new public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)

  1644. - VOB streaming support (Brian Foley)

  1645. - better MP3 autodetection (Andriy Rysin)

  1646. - qpel encoding (Michael)

  1647. - 4mv+b frames encoding finally fixed (Michael)

  1648. - chroma ME (Michael)

  1649. - 5 comparison functions for ME (Michael)

  1650. - B-frame encoding speedup (Michael)

  1651. - WMV2 codec (unfinished - Michael)

  1652. - user specified diamond size for EPZS (Michael)

  1653. - Playstation STR playback subsystem, still experimental (Mike and Michael)

  1654. - ASV2 codec (Michael)

  1655. - CLJR decoder (Alex)

  1656. 

  1657. .. And lots more new enhancements and fixes.

  1658. 

  1659. 

  1660. version 0.4.6:

  1661. 

  1662. - completely new integer only MPEG audio layer 1/2/3 decoder rewritten

  1663.   from scratch

  1664. - Recoded DCT and motion vector search with gcc (no longer depends on nasm)

  1665. - fix quantization bug in AC3 encoder

  1666. - added PCM codecs and format. Corrected WAV/AVI/ASF PCM issues

  1667. - added prototype ffplay program

  1668. - added GOB header parsing on H.263/H.263+ decoder (Juanjo)

  1669. - bug fix on MCBPC tables of H.263 (Juanjo)

  1670. - bug fix on DC coefficients of H.263 (Juanjo)

  1671. - added Advanced Prediction Mode on H.263/H.263+ decoder (Juanjo)

  1672. - now we can decode H.263 streams found in QuickTime files (Juanjo)

  1673. - now we can decode H.263 streams found in VIVO v1 files(Juanjo)

  1674. - preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)

  1675. - added GOB header for H.263/H.263+ coding on RTP mode (Juanjo)

  1676. - now H.263 picture size is returned on the first decoded frame (Juanjo)

  1677. - added first regression tests

  1678. - added MPEG-2 TS demuxer

  1679. - new demux API for libav

  1680. - more accurate and faster IDCT (Michael)

  1681. - faster and entropy-controlled motion search (Michael)

  1682. - two pass video encoding (Michael)

  1683. - new video rate control (Michael)

  1684. - added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)

  1685. - great performance improvement of video encoders and decoders (Michael)

  1686. - new and faster bit readers and vlc parsers (Michael)

  1687. - high quality encoding mode: tries all macroblock/VLC types (Michael)

  1688. - added DV video decoder

  1689. - preliminary RTP/RTSP support in ffserver and libavformat

  1690. - H.263+ AIC decoding/encoding support (Juanjo)

  1691. - VCD MPEG-PS mode (Juanjo)

  1692. - PSNR stuff (Juanjo)

  1693. - simple stats output (Juanjo)

  1694. - 16-bit and 15-bit RGB/BGR/GBR support (Bisqwit)

  1695. 

  1696. 

  1697. version 0.4.5:

  1698. 

  1699. - some header fixes (Zdenek Kabelac <kabi at informatics.muni.cz>)

  1700. - many MMX optimizations (Nick Kurshev <nickols_k at mail.ru>)

  1701. - added configure system (actually a small shell script)

  1702. - added MPEG audio layer 1/2/3 decoding using LGPL'ed mpglib by

  1703.   Michael Hipp (temporary solution - waiting for integer only

  1704.   decoder)

  1705. - fixed VIDIOCSYNC interrupt

  1706. - added Intel H.263 decoding support ('I263' AVI fourCC)

  1707. - added Real Video 1.0 decoding (needs further testing)

  1708. - simplified image formats again. Added PGM format (=grey

  1709.   pgm). Renamed old PGM to PGMYUV.

  1710. - fixed msmpeg4 slice issues (tell me if you still find problems)

  1711. - fixed OpenDivX bugs with newer versions (added VOL header decoding)

  1712. - added support for MPlayer interface

  1713. - added macroblock skip optimization

  1714. - added MJPEG decoder

  1715. - added mmx/mmxext IDCT from libmpeg2

  1716. - added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer

  1717.   <celer at shell.scrypt.net>)

  1718. - added pixel format conversion layer (e.g. for MJPEG or PPM)

  1719. - added deinterlacing option

  1720. - MPEG-1/2 fixes

  1721. - MPEG-4 vol header fixes (Jonathan Marsden <snmjbm at pacbell.net>)

  1722. - ARM optimizations (Lionel Ulmer <lionel.ulmer at free.fr>).

  1723. - Windows porting of file converter

  1724. - added MJPEG raw format (input/output)

  1725. - added JPEG image format support (input/output)

  1726. 

  1727. 

  1728. version 0.4.4:

  1729. 

  1730. - fixed some std header definitions (Bjorn Lindgren

  1731.   <bjorn.e.lindgren at telia.com>).

  1732. - added MPEG demuxer (MPEG-1 and 2 compatible).

  1733. - added ASF demuxer

  1734. - added prototype RM demuxer

  1735. - added AC3 decoding (done with libac3 by Aaron Holtzman)

  1736. - added decoding codec parameter guessing (.e.g. for MPEG, because the

  1737.   header does not include them)

  1738. - fixed header generation in MPEG-1, AVI and ASF muxer: wmplayer can now

  1739.   play them (only tested video)

  1740. - fixed H.263 white bug

  1741. - fixed phase rounding in img resample filter

  1742. - add MMX code for polyphase img resample filter

  1743. - added CPU autodetection

  1744. - added generic title/author/copyright/comment string handling (ASF and RM

  1745.   use them)

  1746. - added SWF demux to extract MP3 track (not usable yet because no MP3

  1747.   decoder)

  1748. - added fractional frame rate support

  1749. - codecs are no longer searched by read_header() (should fix ffserver

  1750.   segfault)

  1751. 

  1752. 

  1753. version 0.4.3:

  1754. 

  1755. - BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq at amsat.org>)

  1756. - fixed raw yuv output

  1757. - added motion rounding support in MPEG-4

  1758. - fixed motion bug rounding in MSMPEG4

  1759. - added B-frame handling in video core

  1760. - added full MPEG-1 decoding support

  1761. - added partial (frame only) MPEG-2 support

  1762. - changed the FOURCC code for H.263 to "U263" to be able to see the

  1763.   +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with

  1764.   this +codec ;) (JuanJo).

  1765. - Halfpel motion estimation after MB type selection (JuanJo)

  1766. - added pgm and .Y.U.V output format

  1767. - suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or

  1768.   output.

  1769. - added pgmpipe I/O format (original patch from Martin Aumueller

  1770.   <lists at reserv.at>, but changed completely since we use a format

  1771.   instead of a protocol)

  1772. 

  1773. 

  1774. version 0.4.2:

  1775. 

  1776. - added H.263/MPEG-4/MSMPEG4 decoding support. MPEG-4 decoding support

  1777.   (for OpenDivX) is almost complete: 8x8 MVs and rounding are

  1778.   missing. MSMPEG4 support is complete.

  1779. - added prototype MPEG-1 decoder. Only I- and P-frames handled yet (it

  1780.   can decode ffmpeg MPEGs :-)).

  1781. - added libavcodec API documentation (see apiexample.c).

  1782. - fixed image polyphase bug (the bottom of some images could be

  1783.   greenish)

  1784. - added support for non clipped motion vectors (decoding only)

  1785.   and image sizes non-multiple of 16

  1786. - added support for AC prediction (decoding only)

  1787. - added file overwrite confirmation (can be disabled with -y)

  1788. - added custom size picture to H.263 using H.263+ (Juanjo)

  1789. 

  1790. 

  1791. version 0.4.1:

  1792. 

  1793. - added MSMPEG4 (aka DivX) compatible encoder. Changed default codec

  1794.   of AVI and ASF to DIV3.

  1795. - added -me option to set motion estimation method

  1796.   (default=log). suppressed redundant -hq option.

  1797. - added options -acodec and -vcodec to force a given codec (useful for

  1798.   AVI for example)

  1799. - fixed -an option

  1800. - improved dct_quantize speed

  1801. - factorized some motion estimation code

  1802. 

  1803. 

  1804. version 0.4.0:

  1805. 

  1806. - removing grab code from ffserver and moved it to ffmpeg. Added

  1807.   multistream support to ffmpeg.

  1808. - added timeshifting support for live feeds (option ?date=xxx in the

  1809.   URL)

  1810. - added high quality image resize code with polyphase filter (need

  1811.   mmx/see optimization). Enable multiple image size support in ffserver.

  1812. - added multi live feed support in ffserver

  1813. - suppressed master feature from ffserver (it should be done with an

  1814.   external program which opens the .ffm url and writes it to another

  1815.   ffserver)

  1816. - added preliminary support for video stream parsing (WAV and AVI half

  1817.   done). Added proper support for audio/video file conversion in

  1818.   ffmpeg.

  1819. - added preliminary support for video file sending from ffserver

  1820. - redesigning I/O subsystem: now using URL based input and output

  1821.   (see avio.h)

  1822. - added WAV format support

  1823. - added "tty user interface" to ffmpeg to stop grabbing gracefully

  1824. - added MMX/SSE optimizations to SAD (Sums of Absolutes Differences)

  1825.   (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo at atmlab.utfsm.cl>)

  1826. - added MMX DCT from mpeg2_movie 1.5 (Juanjo)

  1827. - added new motion estimation algorithms, log and phods (Juanjo)

  1828. - changed directories: libav for format handling, libavcodec for

  1829.   codecs

  1830. 

  1831. 

  1832. version 0.3.4:

  1833. 

  1834. - added stereo in MPEG audio encoder

  1835. 

  1836. 

  1837. version 0.3.3:

  1838. 

  1839. - added 'high quality' mode which use motion vectors. It can be used in

  1840.   real time at low resolution.

  1841. - fixed rounding problems which caused quality problems at high

  1842.   bitrates and large GOP size

  1843. 

  1844. 

  1845. version 0.3.2: small fixes

  1846. 

  1847. - ASF fixes

  1848. - put_seek bug fix

  1849. 

  1850. 

  1851. version 0.3.1: added avi/divx support

  1852. 

  1853. - added AVI support

  1854. - added MPEG-4 codec compatible with OpenDivX. It is based on the H.263 codec

  1855. - added sound for flash format (not tested)

  1856. 

  1857. 

  1858. version 0.3: initial public release